diff options
Diffstat (limited to 'usr/src/common/smbios')
-rw-r--r-- | usr/src/common/smbios/mktables.sh | 145 | ||||
-rw-r--r-- | usr/src/common/smbios/smb_error.c | 79 | ||||
-rw-r--r-- | usr/src/common/smbios/smb_info.c | 785 | ||||
-rw-r--r-- | usr/src/common/smbios/smb_open.c | 370 |
4 files changed, 1379 insertions, 0 deletions
diff --git a/usr/src/common/smbios/mktables.sh b/usr/src/common/smbios/mktables.sh new file mode 100644 index 0000000000..2cb4db46fa --- /dev/null +++ b/usr/src/common/smbios/mktables.sh @@ -0,0 +1,145 @@ +#!/bin/sh +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License, Version 1.0 only +# (the "License"). You may not use this file except in compliance +# with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# +# +# Copyright 2005 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# +#ident "%Z%%M% %I% %E% SMI" + +# +# The SMBIOS interfaces defined in <sys/smbios.h> include a set of integer-to- +# string conversion routines for the various constants defined in the SMBIOS +# spec. These functions are used by smbios(1M) and prtdiag(1M) and can be +# leveraged by other clients as well. To simplify maintenance of the source +# base, this shell script automatically generates the source code for all of +# these functions from the <sys/smbios.h> header file and its comments. Each +# set of constants should be given a unique #define prefix, listed in the +# tables below. The smbios_*_name() functions return the identifier of the +# cpp define, and the smbios_*_desc() functions return the text of the comment. +# + +name_funcs=' +SMB_BBFL_ smbios_bboard_flag_name uint_t +SMB_BIOSFL_ smbios_bios_flag_name uint64_t +SMB_BIOSXB1_ smbios_bios_xb1_name uint_t +SMB_BIOSXB2_ smbios_bios_xb2_name uint_t +SMB_CAT_ smbios_cache_ctype_name uint_t +SMB_CAF_ smbios_cache_flag_name uint_t +SMB_EVFL_ smbios_evlog_flag_name uint_t +SMB_IPMI_F_ smbios_ipmi_flag_name uint_t +SMB_MDF_ smbios_memdevice_flag_name uint_t +SMB_TYPE_ smbios_type_name uint_t +SMB_SLCH1_ smbios_slot_ch1_name uint_t +SMB_SLCH2_ smbios_slot_ch2_name uint_t +' + +desc_funcs=' +SMB_BBFL_ smbios_bboard_flag_desc uint_t +SMB_BBT_ smbios_bboard_type_desc uint_t +SMB_BIOSFL_ smbios_bios_flag_desc uint64_t +SMB_BIOSXB1_ smbios_bios_xb1_desc uint_t +SMB_BIOSXB2_ smbios_bios_xb2_desc uint_t +SMB_BOOT_ smbios_boot_desc uint_t +SMB_CAA_ smbios_cache_assoc_desc uint_t +SMB_CAT_ smbios_cache_ctype_desc uint_t +SMB_CAE_ smbios_cache_ecc_desc uint_t +SMB_CAF_ smbios_cache_flag_desc uint_t +SMB_CAL_ smbios_cache_loc_desc uint_t +SMB_CAG_ smbios_cache_logical_desc uint_t +SMB_CAM_ smbios_cache_mode_desc uint_t +SMB_CHST_ smbios_chassis_state_desc uint_t +SMB_CHT_ smbios_chassis_type_desc uint_t +SMB_EVFL_ smbios_evlog_flag_desc uint_t +SMB_EVHF_ smbios_evlog_format_desc uint_t +SMB_EVM_ smbios_evlog_method_desc uint_t +SMB_HWSEC_PS_ smbios_hwsec_desc uint_t +SMB_IPMI_F_ smbios_ipmi_flag_desc uint_t +SMB_IPMI_T_ smbios_ipmi_type_desc uint_t +SMB_MAL_ smbios_memarray_loc_desc uint_t +SMB_MAU_ smbios_memarray_use_desc uint_t +SMB_MAE_ smbios_memarray_ecc_desc uint_t +SMB_MDF_ smbios_memdevice_flag_desc uint_t +SMB_MDFF_ smbios_memdevice_form_desc uint_t +SMB_MDT_ smbios_memdevice_type_desc uint_t +SMB_POC_ smbios_port_conn_desc uint_t +SMB_POT_ smbios_port_type_desc uint_t +SMB_PRF_ smbios_processor_family_desc uint_t +SMB_PRS_ smbios_processor_status_desc uint_t +SMB_PRT_ smbios_processor_type_desc uint_t +SMB_PRU_ smbios_processor_upgrade_desc uint_t +SMB_SLCH1_ smbios_slot_ch1_desc uint_t +SMB_SLCH2_ smbios_slot_ch2_desc uint_t +SMB_SLL_ smbios_slot_length_desc uint_t +SMB_SLT_ smbios_slot_type_desc uint_t +SMB_SLU_ smbios_slot_usage_desc uint_t +SMB_SLW_ smbios_slot_width_desc uint_t +SMB_TYPE_ smbios_type_desc uint_t +SMB_WAKEUP_ smbios_system_wakeup_desc uint_t +' + +if [ $# -ne 1 ]; then + echo "Usage: $0 file.h > file.c" >&2 + exit 2 +fi + +echo "\ +/*\n\ + * Copyright 2005 Sun Microsystems, Inc. All rights reserved.\n\ + * Use is subject to license terms.\n\ + */\n\ +\n\ +#pragma ident\t\"%Z%%M%\t%I%\t%E% SMI\"\n\ +\n\ +#include <smbios.h>" + +echo "$name_funcs" | while read p name type; do + [ -z "$p" ] && continue + pattern="^#define[ ]\($p[A-Za-z0-9_]*\)[ ]*[A-Z0-9]*.*$" + replace=' case \1: return ("\1");' + + echo "\nconst char *\n$name($type x)\n{\n\tswitch (x) {" + sed -n "s@$pattern@$replace@p" < $1 || exit 1 + echo "\t}\n\treturn (NULL);\n}" +done + +# +# Generate the description functions based on the comment next to a #define. +# The transformations for descriptive comments are slightly more complicated +# than those used for the identifier->name functions above: +# +# (1) strip any [RO] suffix from the comment (a header file convention) +# (2) replace any " with \" so it is escaped for the final output string +# (3) replace return (...); with return ("..."); to finish the code +# +echo "$desc_funcs" | while read p name type; do + [ -z "$p" ] && continue + pattern="^#define[ ]\($p[A-Za-z0-9_]*\)[ ]*.*/\\* \(.*\) \\*/$" + replace=' case \1: return (\2);' + + echo "\nconst char *\n$name($type x)\n{\n\tswitch (x) {" + sed -n "s@$pattern@$replace@p" < $1 | sed 's/ ([RO]))/)/' | \ + sed 's/"/\\"/g' | sed 's/(/("/;s/);$/");/' || exit 1 + echo "\t}\n\treturn (NULL);\n}" +done + +exit 0 diff --git a/usr/src/common/smbios/smb_error.c b/usr/src/common/smbios/smb_error.c new file mode 100644 index 0000000000..7c0ad4ddbf --- /dev/null +++ b/usr/src/common/smbios/smb_error.c @@ -0,0 +1,79 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/smbios_impl.h> + +static const char *const _smb_errlist[] = { + "System does not export an SMBIOS table", /* ESMB_NOTFOUND */ + "Failed to map SMBIOS table", /* ESMB_MAPDEV */ + "Failed to locate specified structure", /* ESMB_NOENT */ + "Failed to allocate memory", /* ESMB_NOMEM */ + "Failed to read SMBIOS entry point", /* ESMB_NOHDR */ + "Failed to read SMBIOS structure table", /* ESMB_NOSTAB */ + "Generic info not available for structure", /* ESMB_NOINFO */ + "Structure table is shorter than expected", /* ESMB_SHORT */ + "SMBIOS data structure is corrupted", /* ESMB_CORRUPT */ + "Requested library version is not supported", /* ESMB_VERSION */ + "Structure type is not supported by this BIOS", /* ESMB_NOTSUP */ + "Header is not a valid SMBIOS entry point", /* ESMB_HEADER */ + "SMBIOS format is too old for processing", /* ESMB_OLD */ + "SMBIOS format is new and not yet supported", /* ESMB_NEW */ + "SMBIOS header checksum mismatch", /* ESMB_CKSUM */ + "Invalid argument specified in library call", /* ESMB_INVAL */ + "Structure is not of the expected type", /* ESMB_TYPE */ + "Unknown SMBIOS error" /* ESMB_UNKNOWN */ +}; + +static const int _smb_nerr = sizeof (_smb_errlist) / sizeof (_smb_errlist[0]); + +const char * +smbios_errmsg(int error) +{ + const char *str; + + if (error >= ESMB_BASE && (error - ESMB_BASE) < _smb_nerr) + str = _smb_errlist[error - ESMB_BASE]; + else + str = smb_strerror(error); + + return (str ? str : "Unknown error"); +} + +int +smbios_errno(smbios_hdl_t *shp) +{ + return (shp->sh_err); +} + +int +smb_set_errno(smbios_hdl_t *shp, int error) +{ + shp->sh_err = error; + return (SMB_ERR); +} diff --git a/usr/src/common/smbios/smb_info.c b/usr/src/common/smbios/smb_info.c new file mode 100644 index 0000000000..ae0be44c72 --- /dev/null +++ b/usr/src/common/smbios/smb_info.c @@ -0,0 +1,785 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * SMBIOS Information Routines + * + * The routines in this file are used to convert from the SMBIOS data format to + * a more reasonable and stable set of structures offered as part of our ABI. + * These functions take the general form: + * + * stp = smb_lookup_type(shp, foo); + * smb_foo_t foo; + * + * smb_info_bcopy(stp->smbst_hdr, &foo, sizeof (foo)); + * bzero(caller's struct); + * + * copy/convert foo members into caller's struct + * + * We copy the internal structure on to an automatic variable so as to avoid + * checks everywhere for structures that the BIOS has improperly truncated, and + * also to automatically handle the case of a structure that has been extended. + * When necessary, this code can use smb_gteq() to determine whether the SMBIOS + * data is of a particular revision that is supposed to contain a new field. + */ + +#include <sys/smbios_impl.h> + +/* + * A large number of SMBIOS structures contain a set of common strings used to + * describe a h/w component's serial number, manufacturer, etc. These fields + * helpfully have different names and offsets and sometimes aren't consistent. + * To simplify life for our clients, we factor these common things out into + * smbios_info_t, which can be retrieved for any structure. The following + * table describes the mapping from a given structure to the smbios_info_t. + */ +static const struct smb_infospec { + uint8_t is_type; /* structure type */ + uint8_t is_manu; /* manufacturer offset */ + uint8_t is_product; /* product name offset */ + uint8_t is_version; /* version offset */ + uint8_t is_serial; /* serial number offset */ + uint8_t is_asset; /* asset tag offset */ + uint8_t is_location; /* location string offset */ + uint8_t is_part; /* part number offset */ +} _smb_infospecs[] = { + { SMB_TYPE_SYSTEM, + offsetof(smb_system_t, smbsi_manufacturer), + offsetof(smb_system_t, smbsi_product), + offsetof(smb_system_t, smbsi_version), + offsetof(smb_system_t, smbsi_serial), + 0, + 0, + 0 }, + { SMB_TYPE_BASEBOARD, + offsetof(smb_bboard_t, smbbb_manufacturer), + offsetof(smb_bboard_t, smbbb_product), + offsetof(smb_bboard_t, smbbb_version), + offsetof(smb_bboard_t, smbbb_serial), + offsetof(smb_bboard_t, smbbb_asset), + offsetof(smb_bboard_t, smbbb_location), + 0 }, + { SMB_TYPE_CHASSIS, + offsetof(smb_chassis_t, smbch_manufacturer), + 0, + offsetof(smb_chassis_t, smbch_version), + offsetof(smb_chassis_t, smbch_serial), + offsetof(smb_chassis_t, smbch_asset), + 0, + 0 }, + { SMB_TYPE_PROCESSOR, + offsetof(smb_processor_t, smbpr_manufacturer), + 0, + offsetof(smb_processor_t, smbpr_version), + offsetof(smb_processor_t, smbpr_serial), + offsetof(smb_processor_t, smbpr_asset), + offsetof(smb_processor_t, smbpr_socket), + offsetof(smb_processor_t, smbpr_part) }, + { SMB_TYPE_CACHE, + 0, + 0, + 0, + 0, + 0, + offsetof(smb_cache_t, smbca_socket), + 0 }, + { SMB_TYPE_PORT, + 0, + 0, + 0, + 0, + 0, + offsetof(smb_port_t, smbpo_iref), + 0 }, + { SMB_TYPE_SLOT, + 0, + 0, + 0, + 0, + 0, + offsetof(smb_slot_t, smbsl_name), + 0 }, + { SMB_TYPE_MEMDEVICE, + offsetof(smb_memdevice_t, smbmdev_manufacturer), + 0, + 0, + offsetof(smb_memdevice_t, smbmdev_serial), + offsetof(smb_memdevice_t, smbmdev_asset), + offsetof(smb_memdevice_t, smbmdev_dloc), + offsetof(smb_memdevice_t, smbmdev_part) }, + { SMB_TYPE_POWERSUP, + offsetof(smb_powersup_t, smbpsup_manufacturer), + offsetof(smb_powersup_t, smbpsup_devname), + offsetof(smb_powersup_t, smbpsup_rev), + offsetof(smb_powersup_t, smbpsup_serial), + offsetof(smb_powersup_t, smbpsup_asset), + offsetof(smb_powersup_t, smbpsup_loc), + offsetof(smb_powersup_t, smbpsup_part) }, + { SMB_TYPE_EOT } +}; + +static const char * +smb_info_strptr(const smb_struct_t *stp, uint8_t off, int *n) +{ + const uint8_t *sp = (const uint8_t *)(uintptr_t)stp->smbst_hdr; + + if (off != 0 && sp + off < stp->smbst_end) { + (*n)++; /* indicate success for caller */ + return (smb_strptr(stp, sp[off])); + } + + return (smb_strptr(stp, 0)); +} + +static void +smb_info_bcopy(const smb_header_t *hp, void *dst, size_t dstlen) +{ + if (dstlen > hp->smbh_len) { + bcopy(hp, dst, hp->smbh_len); + bzero((char *)dst + hp->smbh_len, dstlen - hp->smbh_len); + } else + bcopy(hp, dst, dstlen); +} + +void +smbios_info_smbios(smbios_hdl_t *shp, smbios_entry_t *ep) +{ + bcopy(&shp->sh_ent, ep, sizeof (smbios_entry_t)); +} + +int +smbios_info_common(smbios_hdl_t *shp, id_t id, smbios_info_t *ip) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + const struct smb_infospec *isp; + int n = 0; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + for (isp = _smb_infospecs; isp->is_type != SMB_TYPE_EOT; isp++) { + if (isp->is_type == stp->smbst_hdr->smbh_type) + break; + } + + ip->smbi_manufacturer = smb_info_strptr(stp, isp->is_manu, &n); + ip->smbi_product = smb_info_strptr(stp, isp->is_product, &n); + ip->smbi_version = smb_info_strptr(stp, isp->is_version, &n); + ip->smbi_serial = smb_info_strptr(stp, isp->is_serial, &n); + ip->smbi_asset = smb_info_strptr(stp, isp->is_asset, &n); + ip->smbi_location = smb_info_strptr(stp, isp->is_location, &n); + ip->smbi_part = smb_info_strptr(stp, isp->is_part, &n); + + /* + * If we have a port with an empty internal reference designator string + * try using the external reference designator string instead. + */ + if (isp->is_type == SMB_TYPE_PORT && ip->smbi_location[0] == '\0') { + ip->smbi_location = smb_info_strptr(stp, + offsetof(smb_port_t, smbpo_eref), &n); + } + + return (n ? 0 : smb_set_errno(shp, ESMB_NOINFO)); +} + +id_t +smbios_info_bios(smbios_hdl_t *shp, smbios_bios_t *bp) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_BIOS); + const smb_bios_t *bip; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_len < sizeof (smb_bios_t) - sizeof (uint8_t)) + return (smb_set_errno(shp, ESMB_CORRUPT)); + + bip = (smb_bios_t *)(uintptr_t)stp->smbst_hdr; + bzero(bp, sizeof (smbios_bios_t)); + + bp->smbb_vendor = smb_strptr(stp, bip->smbbi_vendor); + bp->smbb_version = smb_strptr(stp, bip->smbbi_version); + bp->smbb_segment = bip->smbbi_segment; + bp->smbb_reldate = smb_strptr(stp, bip->smbbi_reldate); + bp->smbb_romsize = 64 * 1024 * ((uint32_t)bip->smbbi_romsize + 1); + bp->smbb_runsize = 16 * (0x10000 - (uint32_t)bip->smbbi_segment); + bp->smbb_cflags = bip->smbbi_cflags; + + /* + * If one or more extension bytes are present, reset smbb_xcflags to + * point to them. Otherwise leave this member set to NULL. + */ + if (stp->smbst_hdr->smbh_len >= sizeof (smb_bios_t)) { + bp->smbb_xcflags = bip->smbbi_xcflags; + bp->smbb_nxcflags = stp->smbst_hdr->smbh_len - + sizeof (smb_bios_t) + 1; + + if (bp->smbb_nxcflags > SMB_BIOSXB_ECFW_MIN && + smb_gteq(shp, SMB_VERSION_24)) { + bp->smbb_biosv.smbv_major = + bip->smbbi_xcflags[SMB_BIOSXB_BIOS_MAJ]; + bp->smbb_biosv.smbv_minor = + bip->smbbi_xcflags[SMB_BIOSXB_BIOS_MIN]; + bp->smbb_ecfwv.smbv_major = + bip->smbbi_xcflags[SMB_BIOSXB_ECFW_MAJ]; + bp->smbb_ecfwv.smbv_minor = + bip->smbbi_xcflags[SMB_BIOSXB_ECFW_MIN]; + } + } + + return (stp->smbst_hdr->smbh_hdl); +} + +id_t +smbios_info_system(smbios_hdl_t *shp, smbios_system_t *sip) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_SYSTEM); + smb_system_t si; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + smb_info_bcopy(stp->smbst_hdr, &si, sizeof (si)); + bzero(sip, sizeof (smbios_system_t)); + + sip->smbs_uuid = ((smb_system_t *)stp->smbst_hdr)->smbsi_uuid; + sip->smbs_uuidlen = sizeof (si.smbsi_uuid); + sip->smbs_wakeup = si.smbsi_wakeup; + sip->smbs_sku = smb_strptr(stp, si.smbsi_sku); + sip->smbs_family = smb_strptr(stp, si.smbsi_family); + + return (stp->smbst_hdr->smbh_hdl); +} + +int +smbios_info_bboard(smbios_hdl_t *shp, id_t id, smbios_bboard_t *bbp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_bboard_t bb; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_BASEBOARD) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &bb, sizeof (bb)); + bzero(bbp, sizeof (smbios_bboard_t)); + + /* + * At present, we do not provide support for the contained object + * handles portion of the Base Board structure, as none of the 2.3+ + * BIOSes commonly in use appear to implement it at present. + */ + bbp->smbb_chassis = bb.smbbb_chassis; + bbp->smbb_flags = bb.smbbb_flags; + bbp->smbb_type = bb.smbbb_type; + + return (0); +} + +int +smbios_info_chassis(smbios_hdl_t *shp, id_t id, smbios_chassis_t *chp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_chassis_t ch; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_CHASSIS) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &ch, sizeof (ch)); + bzero(chp, sizeof (smbios_chassis_t)); + + /* + * At present, we do not provide support for the contained object + * handles portion of the Chassis structure, as none of the 2.3+ + * BIOSes commonly in use appear to implement it at present. + */ + chp->smbc_oemdata = ch.smbch_oemdata; + chp->smbc_lock = (ch.smbch_type & SMB_CHT_LOCK) != 0; + chp->smbc_type = ch.smbch_type & ~SMB_CHT_LOCK; + chp->smbc_bustate = ch.smbch_bustate; + chp->smbc_psstate = ch.smbch_psstate; + chp->smbc_thstate = ch.smbch_thstate; + chp->smbc_security = ch.smbch_security; + chp->smbc_uheight = ch.smbch_uheight; + chp->smbc_cords = ch.smbch_cords; + chp->smbc_elems = ch.smbch_cn; + + return (0); +} + +int +smbios_info_processor(smbios_hdl_t *shp, id_t id, smbios_processor_t *pp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_processor_t p; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_PROCESSOR) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &p, sizeof (p)); + bzero(pp, sizeof (smbios_processor_t)); + + pp->smbp_cpuid = p.smbpr_cpuid; + pp->smbp_type = p.smbpr_type; + pp->smbp_family = p.smbpr_family; + pp->smbp_voltage = p.smbpr_voltage; + pp->smbp_maxspeed = p.smbpr_maxspeed; + pp->smbp_curspeed = p.smbpr_curspeed; + pp->smbp_status = p.smbpr_status; + pp->smbp_upgrade = p.smbpr_upgrade; + pp->smbp_l1cache = p.smbpr_l1cache; + pp->smbp_l2cache = p.smbpr_l2cache; + pp->smbp_l3cache = p.smbpr_l3cache; + + return (0); +} + +int +smbios_info_cache(smbios_hdl_t *shp, id_t id, smbios_cache_t *cap) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_cache_t c; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_CACHE) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &c, sizeof (c)); + bzero(cap, sizeof (smbios_cache_t)); + + cap->smba_maxsize = SMB_CACHE_SIZE(c.smbca_maxsize); + cap->smba_size = SMB_CACHE_SIZE(c.smbca_size); + cap->smba_stype = c.smbca_stype; + cap->smba_ctype = c.smbca_ctype; + cap->smba_speed = c.smbca_speed; + cap->smba_etype = c.smbca_etype; + cap->smba_ltype = c.smbca_ltype; + cap->smba_assoc = c.smbca_assoc; + cap->smba_level = SMB_CACHE_CFG_LEVEL(c.smbca_config); + cap->smba_mode = SMB_CACHE_CFG_MODE(c.smbca_config); + cap->smba_location = SMB_CACHE_CFG_LOCATION(c.smbca_config); + + if (SMB_CACHE_CFG_ENABLED(c.smbca_config)) + cap->smba_flags |= SMB_CAF_ENABLED; + + if (SMB_CACHE_CFG_SOCKETED(c.smbca_config)) + cap->smba_flags |= SMB_CAF_SOCKETED; + + return (0); +} + +int +smbios_info_port(smbios_hdl_t *shp, id_t id, smbios_port_t *pop) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_port_t p; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_PORT) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &p, sizeof (p)); + bzero(pop, sizeof (smbios_port_t)); + + pop->smbo_iref = smb_strptr(stp, p.smbpo_iref); + pop->smbo_eref = smb_strptr(stp, p.smbpo_eref); + + pop->smbo_itype = p.smbpo_itype; + pop->smbo_etype = p.smbpo_etype; + pop->smbo_ptype = p.smbpo_ptype; + + return (0); +} + +int +smbios_info_slot(smbios_hdl_t *shp, id_t id, smbios_slot_t *sp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_slot_t s; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_SLOT) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &s, sizeof (s)); + bzero(sp, sizeof (smbios_slot_t)); + + sp->smbl_name = smb_strptr(stp, s.smbsl_name); + sp->smbl_type = s.smbsl_type; + sp->smbl_width = s.smbsl_width; + sp->smbl_usage = s.smbsl_usage; + sp->smbl_length = s.smbsl_length; + sp->smbl_id = s.smbsl_id; + sp->smbl_ch1 = s.smbsl_ch1; + sp->smbl_ch2 = s.smbsl_ch2; + + return (0); +} + +int +smbios_info_obdevs(smbios_hdl_t *shp, id_t id, int obc, smbios_obdev_t *obp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + const smb_obdev_t *op; + int i, m, n; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_OBDEVS) + return (smb_set_errno(shp, ESMB_TYPE)); + + op = (smb_obdev_t *)((uintptr_t)stp->smbst_hdr + sizeof (smb_header_t)); + m = (stp->smbst_hdr->smbh_len - sizeof (smb_header_t)) / sizeof (*op); + n = MIN(m, obc); + + for (i = 0; i < n; i++, op++, obp++) { + obp->smbd_name = smb_strptr(stp, op->smbob_name); + obp->smbd_type = op->smbob_type & ~SMB_OBT_ENABLED; + obp->smbd_enabled = (op->smbob_type & SMB_OBT_ENABLED) != 0; + } + + return (m); +} + +/* + * The implementation structures for OEMSTR, SYSCONFSTR, and LANG all use the + * first byte to indicate the size of a string table at the end of the record. + * Therefore, smbios_info_strtab() can be used to retrieve the table size and + * strings for any of these underlying record types. + */ +int +smbios_info_strtab(smbios_hdl_t *shp, id_t id, int argc, const char *argv[]) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_strtab_t s; + int i, n; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_OEMSTR && + stp->smbst_hdr->smbh_type != SMB_TYPE_SYSCONFSTR && + stp->smbst_hdr->smbh_type != SMB_TYPE_LANG) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &s, sizeof (s)); + n = MIN(s.smbtb_count, argc); + + for (i = 0; i < n; i++) + argv[i] = smb_strptr(stp, i + 1); + + return (s.smbtb_count); +} + +id_t +smbios_info_lang(smbios_hdl_t *shp, smbios_lang_t *lp) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_LANG); + smb_lang_t l; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + smb_info_bcopy(stp->smbst_hdr, &l, sizeof (l)); + bzero(lp, sizeof (smbios_lang_t)); + + lp->smbla_cur = smb_strptr(stp, l.smblang_cur); + lp->smbla_fmt = l.smblang_flags & 1; + lp->smbla_num = l.smblang_num; + + return (stp->smbst_hdr->smbh_hdl); +} + +id_t +smbios_info_eventlog(smbios_hdl_t *shp, smbios_evlog_t *evp) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_EVENTLOG); + const smb_sel_t *sel; + size_t len; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_len < sizeof (smb_sel_t) - sizeof (uint8_t)) + return (smb_set_errno(shp, ESMB_CORRUPT)); + + sel = (smb_sel_t *)(uintptr_t)stp->smbst_hdr; + len = stp->smbst_hdr->smbh_len - sizeof (smb_sel_t) + sizeof (uint8_t); + bzero(evp, sizeof (smbios_evlog_t)); + + if (len < sel->smbsel_typec * sel->smbsel_typesz) + return (smb_set_errno(shp, ESMB_CORRUPT)); + + evp->smbev_size = sel->smbsel_len; + evp->smbev_hdr = sel->smbsel_hdroff; + evp->smbev_data = sel->smbsel_dataoff; + evp->smbev_method = sel->smbsel_method; + evp->smbev_flags = sel->smbsel_status; + evp->smbev_format = sel->smbsel_format; + evp->smbev_token = sel->smbsel_token; + evp->smbev_addr.eva_addr = sel->smbsel_addr; + + if (sel->smbsel_typesz == sizeof (smbios_evtype_t)) { + evp->smbev_typec = sel->smbsel_typec; + evp->smbev_typev = (void *)(uintptr_t)sel->smbsel_typev; + } + + return (stp->smbst_hdr->smbh_hdl); +} + +int +smbios_info_memarray(smbios_hdl_t *shp, id_t id, smbios_memarray_t *map) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_memarray_t m; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_MEMARRAY) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &m, sizeof (m)); + bzero(map, sizeof (smbios_memarray_t)); + + map->smbma_location = m.smbmarr_loc; + map->smbma_use = m.smbmarr_use; + map->smbma_ecc = m.smbmarr_ecc; + map->smbma_ndevs = m.smbmarr_ndevs; + map->smbma_err = m.smbmarr_err; + + if (m.smbmarr_cap != 0x80000000) + map->smbma_size = (uint64_t)m.smbmarr_cap * 1024; + else + map->smbma_size = 0; /* unknown */ + + return (0); +} + +int +smbios_info_memarrmap(smbios_hdl_t *shp, id_t id, smbios_memarrmap_t *map) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_memarrmap_t m; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_MEMARRAYMAP) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &m, sizeof (m)); + bzero(map, sizeof (smbios_memarrmap_t)); + + map->smbmam_array = m.smbamap_array; + map->smbmam_width = m.smbamap_width; + map->smbmam_addr = (uint64_t)m.smbamap_start * 1024; + map->smbmam_size = (uint64_t) + (m.smbamap_end - m.smbamap_start + 1) * 1024; + + return (0); +} + +int +smbios_info_memdevice(smbios_hdl_t *shp, id_t id, smbios_memdevice_t *mdp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_memdevice_t m; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_MEMDEVICE) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &m, sizeof (m)); + bzero(mdp, sizeof (smbios_memdevice_t)); + + mdp->smbmd_array = m.smbmdev_array; + mdp->smbmd_error = m.smbmdev_error; + mdp->smbmd_twidth = m.smbmdev_twidth == 0xFFFF ? -1U : m.smbmdev_twidth; + mdp->smbmd_dwidth = m.smbmdev_dwidth == 0xFFFF ? -1U : m.smbmdev_dwidth; + + if (mdp->smbmd_size != 0xFFFF) { + mdp->smbmd_size = (uint64_t)(m.smbmdev_size & ~SMB_MDS_KBYTES); + if (m.smbmdev_size & SMB_MDS_KBYTES) + mdp->smbmd_size *= 1024; + else + mdp->smbmd_size *= 1024 * 1024; + } else + mdp->smbmd_size = -1ULL; /* size unknown */ + + mdp->smbmd_form = m.smbmdev_form; + mdp->smbmd_set = m.smbmdev_set; + mdp->smbmd_type = m.smbmdev_type; + mdp->smbmd_flags = m.smbmdev_flags; + mdp->smbmd_dloc = smb_strptr(stp, m.smbmdev_dloc); + mdp->smbmd_bloc = smb_strptr(stp, m.smbmdev_bloc); + + if (m.smbmdev_speed != 0) + mdp->smbmd_speed = 1000 / m.smbmdev_speed; /* MHz -> nsec */ + + return (0); +} + +int +smbios_info_memdevmap(smbios_hdl_t *shp, id_t id, smbios_memdevmap_t *mdp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + smb_memdevmap_t m; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (stp->smbst_hdr->smbh_type != SMB_TYPE_MEMDEVICEMAP) + return (smb_set_errno(shp, ESMB_TYPE)); + + smb_info_bcopy(stp->smbst_hdr, &m, sizeof (m)); + bzero(mdp, sizeof (smbios_memdevmap_t)); + + mdp->smbmdm_device = m.smbdmap_device; + mdp->smbmdm_arrmap = m.smbdmap_array; + mdp->smbmdm_addr = (uint64_t)m.smbdmap_start * 1024; + mdp->smbmdm_size = (uint64_t) + (m.smbdmap_end - m.smbdmap_start + 1) * 1024; + mdp->smbmdm_rpos = m.smbdmap_rpos; + mdp->smbmdm_ipos = m.smbdmap_ipos; + mdp->smbmdm_idepth = m.smbdmap_idepth; + + return (0); +} + +id_t +smbios_info_hwsec(smbios_hdl_t *shp, smbios_hwsec_t *hsp) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_SECURITY); + smb_hwsec_t hs; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + smb_info_bcopy(stp->smbst_hdr, &hs, sizeof (hs)); + bzero(hsp, sizeof (smbios_hwsec_t)); + + hsp->smbh_pwr_ps = SMB_HWS_PWR_PS(hs.smbhs_settings); + hsp->smbh_kbd_ps = SMB_HWS_KBD_PS(hs.smbhs_settings); + hsp->smbh_adm_ps = SMB_HWS_ADM_PS(hs.smbhs_settings); + hsp->smbh_pan_ps = SMB_HWS_PAN_PS(hs.smbhs_settings); + + return (stp->smbst_hdr->smbh_hdl); +} + +id_t +smbios_info_boot(smbios_hdl_t *shp, smbios_boot_t *bp) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_BOOT); + const smb_boot_t *b = (smb_boot_t *)(uintptr_t)stp->smbst_hdr; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + bzero(bp, sizeof (smbios_boot_t)); + + bp->smbt_status = b->smbbo_status[0]; + bp->smbt_size = stp->smbst_hdr->smbh_len - sizeof (smb_boot_t); + bp->smbt_data = bp->smbt_size ? &b->smbbo_status[1] : NULL; + + return (stp->smbst_hdr->smbh_hdl); +} + +id_t +smbios_info_ipmi(smbios_hdl_t *shp, smbios_ipmi_t *ip) +{ + const smb_struct_t *stp = smb_lookup_type(shp, SMB_TYPE_IPMIDEV); + smb_ipmi_t i; + + if (stp == NULL) + return (-1); /* errno is set for us */ + + smb_info_bcopy(stp->smbst_hdr, &i, sizeof (i)); + bzero(ip, sizeof (smbios_ipmi_t)); + + ip->smbip_type = i.smbipm_type; + ip->smbip_vers.smbv_major = SMB_IPM_SPEC_MAJOR(i.smbipm_spec); + ip->smbip_vers.smbv_minor = SMB_IPM_SPEC_MINOR(i.smbipm_spec); + ip->smbip_i2c = i.smbipm_i2c; + ip->smbip_addr = i.smbipm_addr & ~SMB_IPM_ADDR_IO; + ip->smbip_intr = i.smbipm_intr; + + if (i.smbipm_bus != (uint8_t)-1) + ip->smbip_bus = i.smbipm_bus; + else + ip->smbip_bus = -1u; + + if (SMB_IPM_INFO_LSB(i.smbipm_info)) + ip->smbip_addr |= 1; /* turn on least-significant bit of addr */ + + if (i.smbipm_addr & SMB_IPM_ADDR_IO) { + switch (SMB_IPM_INFO_REGS(i.smbipm_info)) { + case SMB_IPM_REGS_1B: + ip->smbip_regspacing = 1; + break; + case SMB_IPM_REGS_4B: + ip->smbip_regspacing = 4; + break; + case SMB_IPM_REGS_16B: + ip->smbip_regspacing = 16; + break; + default: + ip->smbip_regspacing = 1; + } + ip->smbip_flags |= SMB_IPMI_F_IOADDR; + } + + if (SMB_IPM_INFO_ISPEC(i.smbipm_info)) + ip->smbip_flags |= SMB_IPMI_F_INTRSPEC; + + if (SMB_IPM_INFO_IPOL(i.smbipm_info) == SMB_IPM_IPOL_HI) + ip->smbip_flags |= SMB_IPMI_F_INTRHIGH; + + if (SMB_IPM_INFO_IMODE(i.smbipm_info) == SMB_IPM_IMODE_EDGE) + ip->smbip_flags |= SMB_IPMI_F_INTREDGE; + + return (stp->smbst_hdr->smbh_hdl); +} diff --git a/usr/src/common/smbios/smb_open.c b/usr/src/common/smbios/smb_open.c new file mode 100644 index 0000000000..c7c3fb666d --- /dev/null +++ b/usr/src/common/smbios/smb_open.c @@ -0,0 +1,370 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/smbios_impl.h> + +static const uint_t _smb_hashlen = 64; /* hash length (must be Pof2) */ +static const char _smb_emptystr[] = ""; /* empty string to return */ +int _smb_debug = 0; /* default debug mode */ + +/* + * Strip out identification information for you privacy weenies. This is quite + * simple using our smbios_info_common() abstraction: we just locate any serial + * numbers and asset tags for each record, and then zero out those strings. + * Then we must handle two special cases: SMB_TYPE_SYSTEM holds a 16-byte UUID + * and SMB_TYPE_BATTERY stores a Smart Battery Data Spec 16-bit serial number. + * We use a literal '0' rather than '\0' for zeroing strings because \0\0 in + * the SMBIOS string table has a special meaning (denotes end-of-record). + */ +static void +smb_strip(smbios_hdl_t *shp) +{ + uint_t i; + + for (i = 0; i < shp->sh_nstructs; i++) { + const smb_header_t *hp = shp->sh_structs[i].smbst_hdr; + smbios_info_t info; + char *p; + + if (hp->smbh_type == SMB_TYPE_SYSTEM && + hp->smbh_len >= offsetof(smb_system_t, smbsi_wakeup)) { + smb_system_t *sp = (smb_system_t *)(uintptr_t)hp; + bzero(sp->smbsi_uuid, sizeof (sp->smbsi_uuid)); + } + + if (hp->smbh_type == SMB_TYPE_BATTERY && + hp->smbh_len >= offsetof(smb_battery_t, smbbat_sdate)) { + smb_battery_t *bp = (smb_battery_t *)(uintptr_t)hp; + bp->smbbat_ssn = 0; + } + + if (smbios_info_common(shp, hp->smbh_hdl, &info) != SMB_ERR) { + for (p = (char *)info.smbi_serial; *p != '\0'; p++) + *p = '0'; + for (p = (char *)info.smbi_asset; *p != '\0'; p++) + *p = '0'; + } + } +} + +smbios_hdl_t * +smbios_bufopen(const smbios_entry_t *ep, const void *buf, size_t len, + int version, int flags, int *errp) +{ + smbios_hdl_t *shp = smb_zalloc(sizeof (smbios_hdl_t)); + const smb_header_t *hp, *nhp; + const uchar_t *p, *q, *s; + uint_t i, h; + + switch (version) { + case SMB_VERSION_23: + case SMB_VERSION_24: + break; + default: + return (smb_open_error(shp, errp, ESMB_VERSION)); + } + + if (ep == NULL || buf == NULL || len == 0 || (flags & ~SMB_O_MASK)) + return (smb_open_error(shp, errp, ESMB_INVAL)); + + if (shp == NULL) + return (smb_open_error(shp, errp, ESMB_NOMEM)); + + if (_smb_debug) + shp->sh_flags |= SMB_FL_DEBUG; + + if (strncmp(ep->smbe_eanchor, SMB_ENTRY_EANCHOR, SMB_ENTRY_EANCHORLEN)) + return (smb_open_error(shp, errp, ESMB_HEADER)); + + if (strncmp(ep->smbe_ianchor, SMB_ENTRY_IANCHOR, SMB_ENTRY_IANCHORLEN)) + return (smb_open_error(shp, errp, ESMB_HEADER)); + + smb_dprintf(shp, "opening SMBIOS version %u.%u bcdrev 0x%x\n", + ep->smbe_major, ep->smbe_minor, ep->smbe_bcdrev); + + if (!(flags & SMB_O_NOVERS)) { + if (ep->smbe_major > SMB_MAJOR(SMB_VERSION)) + return (smb_open_error(shp, errp, ESMB_NEW)); + + if (ep->smbe_major < SMB_MAJOR(SMB_VERSION_23) || ( + ep->smbe_major == SMB_MAJOR(SMB_VERSION_23) && + ep->smbe_minor < SMB_MINOR(SMB_VERSION_23))) + return (smb_open_error(shp, errp, ESMB_OLD)); + } + + if (len < sizeof (smb_header_t) || + ep->smbe_stlen < sizeof (smb_header_t) || len < ep->smbe_stlen) + return (smb_open_error(shp, errp, ESMB_SHORT)); + + if (!(flags & SMB_O_NOCKSUM)) { + uint8_t esum = 0, isum = 0; + q = (uchar_t *)ep; + + for (p = q; p < q + ep->smbe_elen; p++) + esum += *p; + + for (p = (uchar_t *)ep->smbe_ianchor; p < q + sizeof (*ep); p++) + isum += *p; + + if (esum != 0 || isum != 0) { + smb_dprintf(shp, "bad cksum: e=%x i=%x\n", esum, isum); + return (smb_open_error(shp, errp, ESMB_CKSUM)); + } + } + + bcopy(ep, &shp->sh_ent, sizeof (smbios_entry_t)); + shp->sh_buf = buf; + shp->sh_buflen = len; + shp->sh_structs = smb_alloc(sizeof (smb_struct_t) * ep->smbe_stnum); + shp->sh_nstructs = 0; + shp->sh_hashlen = _smb_hashlen; + shp->sh_hash = smb_zalloc(sizeof (smb_struct_t *) * shp->sh_hashlen); + shp->sh_libvers = version; + shp->sh_smbvers = SMB_MAJMIN(ep->smbe_major, ep->smbe_minor); + + if (shp->sh_structs == NULL || shp->sh_hash == NULL) + return (smb_open_error(shp, errp, ESMB_NOMEM)); + + hp = shp->sh_buf; + q = (const uchar_t *)buf + MIN(ep->smbe_stlen, len); + + for (i = 0; i < ep->smbe_stnum; i++, hp = nhp) { + smb_struct_t *stp = &shp->sh_structs[i]; + uint_t n = 0; + + if ((const uchar_t *)hp + sizeof (smb_header_t) > q) + return (smb_open_error(shp, errp, ESMB_CORRUPT)); + + smb_dprintf(shp, "struct [%u] type %u len %u hdl %u at %p\n", + i, hp->smbh_type, hp->smbh_len, hp->smbh_hdl, (void *)hp); + + if ((const uchar_t *)hp + hp->smbh_len > q - 2) + return (smb_open_error(shp, errp, ESMB_CORRUPT)); + + if (hp->smbh_type == SMB_TYPE_EOT) + break; /* ignore any entries beyond end-of-table */ + + h = hp->smbh_hdl & (shp->sh_hashlen - 1); + p = s = (const uchar_t *)hp + hp->smbh_len; + + while (p <= q - 2 && (p[0] != '\0' || p[1] != '\0')) { + if (*p++ == '\0') + n++; /* count strings until \0\0 delimiter */ + } + + if (p > q - 2) + return (smb_open_error(shp, errp, ESMB_CORRUPT)); + + if (p > s) + n++; /* add one for final string in string table */ + + stp->smbst_hdr = hp; + stp->smbst_str = s; + stp->smbst_end = p; + stp->smbst_next = shp->sh_hash[h]; + stp->smbst_strtab = smb_alloc(sizeof (uint16_t) * n); + stp->smbst_strtablen = n; + + if (n != 0 && stp->smbst_strtab == NULL) + return (smb_open_error(shp, errp, ESMB_NOMEM)); + + shp->sh_hash[h] = stp; + nhp = (void *)(p + 2); + shp->sh_nstructs++; + + for (n = 0, p = s; n < stp->smbst_strtablen; p++) { + if (*p == '\0') { + stp->smbst_strtab[n++] = + (uint16_t)(s - stp->smbst_str); + s = p + 1; + } + } + } + + if (flags & SMB_O_ZIDS) + smb_strip(shp); + + return (shp); +} + +void +smbios_close(smbios_hdl_t *shp) +{ + const smbios_entry_t *ep = &shp->sh_ent; + uint_t i; + + for (i = 0; i < shp->sh_nstructs; i++) { + smb_free(shp->sh_structs[i].smbst_strtab, + sizeof (uint16_t) * shp->sh_structs[i].smbst_strtablen); + } + + smb_free(shp->sh_structs, sizeof (smb_struct_t) * ep->smbe_stnum); + smb_free(shp->sh_hash, sizeof (smb_struct_t *) * shp->sh_hashlen); + + if (shp->sh_flags & SMB_FL_BUFALLOC) + smb_free((void *)shp->sh_buf, shp->sh_buflen); + + smb_free(shp, sizeof (smbios_hdl_t)); +} + +/* + * Recompute the values of the entry point checksums based upon the content + * of the specified SMBIOS entry point. We don't need 'shp' but require it + * anyway in case future versioning requires variations in the algorithm. + */ +/*ARGSUSED*/ +void +smbios_checksum(smbios_hdl_t *shp, smbios_entry_t *ep) +{ + uchar_t *p, *q = (uchar_t *)ep; + uint8_t esum = 0, isum = 0; + + ep->smbe_ecksum = ep->smbe_icksum = 0; + + for (p = (uchar_t *)ep->smbe_ianchor; p < q + sizeof (*ep); p++) + isum += *p; + + ep->smbe_icksum = -isum; + + for (p = q; p < q + ep->smbe_elen; p++) + esum += *p; + + ep->smbe_ecksum = -esum; +} + +const void * +smbios_buf(smbios_hdl_t *shp) +{ + return (shp->sh_buf); +} + +size_t +smbios_buflen(smbios_hdl_t *shp) +{ + return (shp->sh_buflen); +} + +static smbios_struct_t * +smb_export(const smb_struct_t *stp, smbios_struct_t *sp) +{ + const smb_header_t *hdr = stp->smbst_hdr; + + sp->smbstr_id = hdr->smbh_hdl; + sp->smbstr_type = hdr->smbh_type; + sp->smbstr_data = hdr; + sp->smbstr_size = (size_t)(stp->smbst_end - (uchar_t *)hdr); + + return (sp); +} + +int +smbios_lookup_id(smbios_hdl_t *shp, id_t id, smbios_struct_t *sp) +{ + const smb_struct_t *stp = smb_lookup_id(shp, id); + + if (stp == NULL) + return (-1); /* errno is set for us */ + + if (sp != NULL) + (void) smb_export(stp, sp); + + return (0); +} + +int +smbios_iter(smbios_hdl_t *shp, smbios_struct_f *func, void *data) +{ + const smb_struct_t *sp = shp->sh_structs; + smbios_struct_t s; + int i, rv = 0; + + for (i = 0; i < shp->sh_nstructs; i++, sp++) { + if (sp->smbst_hdr->smbh_type != SMB_TYPE_INACTIVE && + (rv = func(shp, smb_export(sp, &s), data)) != 0) + break; + } + + return (rv); +} + +const smb_struct_t * +smb_lookup_type(smbios_hdl_t *shp, uint_t type) +{ + uint_t i; + + for (i = 0; i < shp->sh_nstructs; i++) { + if (shp->sh_structs[i].smbst_hdr->smbh_type == type) + return (&shp->sh_structs[i]); + } + + (void) smb_set_errno(shp, ESMB_NOENT); + return (NULL); +} + +const smb_struct_t * +smb_lookup_id(smbios_hdl_t *shp, uint_t id) +{ + const smb_struct_t *stp = shp->sh_hash[id & (shp->sh_hashlen - 1)]; + + switch (id) { + case SMB_ID_NOTSUP: + (void) smb_set_errno(shp, ESMB_NOTSUP); + return (NULL); + case SMB_ID_NONE: + (void) smb_set_errno(shp, ESMB_NOENT); + return (NULL); + } + + for (; stp != NULL; stp = stp->smbst_next) { + if (stp->smbst_hdr->smbh_hdl == id) + break; + } + + if (stp == NULL) + (void) smb_set_errno(shp, ESMB_NOENT); + + return (stp); +} + +const char * +smb_strptr(const smb_struct_t *stp, uint_t i) +{ + if (i == 0 || i > stp->smbst_strtablen) + return (_smb_emptystr); + else + return ((char *)stp->smbst_str + stp->smbst_strtab[i - 1]); +} + +int +smb_gteq(smbios_hdl_t *shp, int version) +{ + return (SMB_MAJOR(shp->sh_smbvers) > SMB_MAJOR(version) || ( + SMB_MAJOR(shp->sh_smbvers) == SMB_MAJOR(version) && + SMB_MINOR(shp->sh_smbvers) >= SMB_MINOR(version))); +} |