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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2016 Joyent, Inc.
*/
#ifndef _LX_PROC_H
#define _LX_PROC_H
#ifdef _LXPROC_NATIVE_H
#error Attempted to include branded lx_proc.h after native lxproc.h
#endif
#define _LXPROC_BRANDED_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* lxproc.h: declarations, data structures and macros for lxprocfs
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/policy.h>
#include <sys/debug.h>
#include <sys/dirent.h>
#include <sys/errno.h>
#include <sys/file.h>
#include <sys/kmem.h>
#include <sys/pathname.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/var.h>
#include <sys/user.h>
#include <sys/t_lock.h>
#include <sys/sysmacros.h>
#include <sys/cred.h>
#include <sys/priv.h>
#include <sys/vnode.h>
#include <sys/vfs.h>
#include <sys/statvfs.h>
#include <sys/cmn_err.h>
#include <sys/zone.h>
#include <sys/uio.h>
#include <sys/utsname.h>
#include <sys/dnlc.h>
#include <sys/atomic.h>
#include <sys/sunddi.h>
#include <sys/sunldi.h>
#include <sys/zfs_ioctl.h>
#include <sys/nvpair.h>
#include <vm/as.h>
#include <vm/anon.h>
/*
* Convert a vnode into an lxpr_mnt_t
*/
#define VTOLXPM(vp) ((lxpr_mnt_t *)(vp)->v_vfsp->vfs_data)
/*
* convert a vnode into an lxpr_node
*/
#define VTOLXP(vp) ((lxpr_node_t *)(vp)->v_data)
/*
* convert a lxprnode into a vnode
*/
#define LXPTOV(lxpnp) ((lxpnp)->lxpr_vnode)
/*
* convert a lxpr_node into zone for fs
*/
#define LXPTOZ(lxpnp) \
(((lxpr_mnt_t *)(lxpnp)->lxpr_vnode->v_vfsp->vfs_data)->lxprm_zone)
#define LXPNSIZ 256 /* max size of lx /proc file name entries */
/*
* Pretend that a directory entry takes 16 bytes
*/
#define LXPR_SDSIZE 16
/*
* Node/file types for lx /proc files
* (directories and files contained therein).
*/
typedef enum lxpr_nodetype {
LXPR_PROCDIR, /* /proc */
LXPR_PIDDIR, /* /proc/<pid> */
LXPR_PID_AUXV, /* /proc/<pid>/auxv */
LXPR_PID_CGROUP, /* /proc/<pid>/cgroup */
LXPR_PID_CMDLINE, /* /proc/<pid>/cmdline */
LXPR_PID_COMM, /* /proc/<pid>/comm */
LXPR_PID_CPU, /* /proc/<pid>/cpu */
LXPR_PID_CURDIR, /* /proc/<pid>/cwd */
LXPR_PID_ENV, /* /proc/<pid>/environ */
LXPR_PID_EXE, /* /proc/<pid>/exe */
LXPR_PID_LIMITS, /* /proc/<pid>/limits */
LXPR_PID_MAPS, /* /proc/<pid>/maps */
LXPR_PID_MEM, /* /proc/<pid>/mem */
LXPR_PID_MOUNTINFO, /* /proc/<pid>/mountinfo */
LXPR_PID_OOM_SCR_ADJ, /* /proc/<pid>/oom_score_adj */
LXPR_PID_PERSONALITY, /* /proc/<pid>/personality */
LXPR_PID_ROOTDIR, /* /proc/<pid>/root */
LXPR_PID_STAT, /* /proc/<pid>/stat */
LXPR_PID_STATM, /* /proc/<pid>/statm */
LXPR_PID_STATUS, /* /proc/<pid>/status */
LXPR_PID_TASKDIR, /* /proc/<pid>/task */
LXPR_PID_TASK_IDDIR, /* /proc/<pid>/task/<tid> */
LXPR_PID_FDDIR, /* /proc/<pid>/fd */
LXPR_PID_FD_FD, /* /proc/<pid>/fd/nn */
LXPR_PID_TID_AUXV, /* /proc/<pid>/task/<tid>/auxv */
LXPR_PID_TID_CGROUP, /* /proc/<pid>/task/<tid>/cgroup */
LXPR_PID_TID_CMDLINE, /* /proc/<pid>/task/<tid>/cmdline */
LXPR_PID_TID_COMM, /* /proc/<pid>/task/<tid>/comm */
LXPR_PID_TID_CPU, /* /proc/<pid>/task/<tid>/cpu */
LXPR_PID_TID_CURDIR, /* /proc/<pid>/task/<tid>/cwd */
LXPR_PID_TID_ENV, /* /proc/<pid>/task/<tid>/environ */
LXPR_PID_TID_EXE, /* /proc/<pid>/task/<tid>/exe */
LXPR_PID_TID_LIMITS, /* /proc/<pid>/task/<tid>/limits */
LXPR_PID_TID_MAPS, /* /proc/<pid>/task/<tid>/maps */
LXPR_PID_TID_MEM, /* /proc/<pid>/task/<tid>/mem */
LXPR_PID_TID_MOUNTINFO, /* /proc/<pid>/task/<tid>/mountinfo */
LXPR_PID_TID_OOM_SCR_ADJ, /* /proc/<pid>/task/<tid>/oom_score_adj */
LXPR_PID_TID_PERSONALITY, /* /proc/<pid>/task/<tid>/personality */
LXPR_PID_TID_ROOTDIR, /* /proc/<pid>/task/<tid>/root */
LXPR_PID_TID_STAT, /* /proc/<pid>/task/<tid>/stat */
LXPR_PID_TID_STATM, /* /proc/<pid>/task/<tid>/statm */
LXPR_PID_TID_STATUS, /* /proc/<pid>/task/<tid>/status */
LXPR_PID_TID_FDDIR, /* /proc/<pid>/task/<tid>/fd */
LXPR_PID_TID_FD_FD, /* /proc/<pid>/task/<tid>/fd/nn */
LXPR_CGROUPS, /* /proc/cgroups */
LXPR_CMDLINE, /* /proc/cmdline */
LXPR_CPUINFO, /* /proc/cpuinfo */
LXPR_DEVICES, /* /proc/devices */
LXPR_DISKSTATS, /* /proc/diskstats */
LXPR_DMA, /* /proc/dma */
LXPR_FILESYSTEMS, /* /proc/filesystems */
LXPR_INTERRUPTS, /* /proc/interrupts */
LXPR_IOPORTS, /* /proc/ioports */
LXPR_KCORE, /* /proc/kcore */
LXPR_KMSG, /* /proc/kmsg */
LXPR_LOADAVG, /* /proc/loadavg */
LXPR_MEMINFO, /* /proc/meminfo */
LXPR_MODULES, /* /proc/modules */
LXPR_MOUNTS, /* /proc/mounts */
LXPR_NETDIR, /* /proc/net */
LXPR_NET_ARP, /* /proc/net/arp */
LXPR_NET_DEV, /* /proc/net/dev */
LXPR_NET_DEV_MCAST, /* /proc/net/dev_mcast */
LXPR_NET_IF_INET6, /* /proc/net/if_inet6 */
LXPR_NET_IGMP, /* /proc/net/igmp */
LXPR_NET_IP_MR_CACHE, /* /proc/net/ip_mr_cache */
LXPR_NET_IP_MR_VIF, /* /proc/net/ip_mr_vif */
LXPR_NET_IPV6_ROUTE, /* /proc/net/ipv6_route */
LXPR_NET_MCFILTER, /* /proc/net/mcfilter */
LXPR_NET_NETSTAT, /* /proc/net/netstat */
LXPR_NET_RAW, /* /proc/net/raw */
LXPR_NET_ROUTE, /* /proc/net/route */
LXPR_NET_RPC, /* /proc/net/rpc */
LXPR_NET_RT_CACHE, /* /proc/net/rt_cache */
LXPR_NET_SOCKSTAT, /* /proc/net/sockstat */
LXPR_NET_SNMP, /* /proc/net/snmp */
LXPR_NET_STAT, /* /proc/net/stat */
LXPR_NET_TCP, /* /proc/net/tcp */
LXPR_NET_TCP6, /* /proc/net/tcp6 */
LXPR_NET_UDP, /* /proc/net/udp */
LXPR_NET_UDP6, /* /proc/net/udp6 */
LXPR_NET_UNIX, /* /proc/net/unix */
LXPR_PARTITIONS, /* /proc/partitions */
LXPR_SELF, /* /proc/self */
LXPR_STAT, /* /proc/stat */
LXPR_SWAPS, /* /proc/swaps */
LXPR_SYSDIR, /* /proc/sys/ */
LXPR_SYS_FSDIR, /* /proc/sys/fs/ */
LXPR_SYS_FS_INOTIFYDIR, /* /proc/sys/fs/inotify */
LXPR_SYS_FS_INOTIFY_MAX_QUEUED_EVENTS, /* inotify/max_queued_events */
LXPR_SYS_FS_INOTIFY_MAX_USER_INSTANCES, /* inotify/max_user_instances */
LXPR_SYS_FS_INOTIFY_MAX_USER_WATCHES, /* inotify/max_user_watches */
LXPR_SYS_KERNELDIR, /* /proc/sys/kernel/ */
LXPR_SYS_KERNEL_CAPLCAP, /* /proc/sys/kernel/cap_last_cap */
LXPR_SYS_KERNEL_COREPATT, /* /proc/sys/kernel/core_pattern */
LXPR_SYS_KERNEL_HOSTNAME, /* /proc/sys/kernel/hostname */
LXPR_SYS_KERNEL_MSGMNI, /* /proc/sys/kernel/msgmni */
LXPR_SYS_KERNEL_NGROUPS_MAX, /* /proc/sys/kernel/ngroups_max */
LXPR_SYS_KERNEL_OSREL, /* /proc/sys/kernel/osrelease */
LXPR_SYS_KERNEL_PID_MAX, /* /proc/sys/kernel/pid_max */
LXPR_SYS_KERNEL_RANDDIR, /* /proc/sys/kernel/random */
LXPR_SYS_KERNEL_RAND_BOOTID, /* /proc/sys/kernel/random/boot_id */
LXPR_SYS_KERNEL_SEM, /* /proc/sys/kernel/sem */
LXPR_SYS_KERNEL_SHMALL, /* /proc/sys/kernel/shmall */
LXPR_SYS_KERNEL_SHMMAX, /* /proc/sys/kernel/shmmax */
LXPR_SYS_KERNEL_SHMMNI, /* /proc/sys/kernel/shmmni */
LXPR_SYS_KERNEL_THREADS_MAX, /* /proc/sys/kernel/threads-max */
LXPR_SYS_NETDIR, /* /proc/sys/net */
LXPR_SYS_NET_COREDIR, /* /proc/sys/net/core */
LXPR_SYS_NET_CORE_SOMAXCON, /* /proc/sys/net/core/somaxconn */
LXPR_SYS_VMDIR, /* /proc/sys/vm */
LXPR_SYS_VM_MINFR_KB, /* /proc/sys/vm/min_free_kbytes */
LXPR_SYS_VM_NHUGEP, /* /proc/sys/vm/nr_hugepages */
LXPR_SYS_VM_OVERCOMMIT_MEM, /* /proc/sys/vm/overcommit_memory */
LXPR_SYS_VM_SWAPPINESS, /* /proc/sys/vm/swappiness */
LXPR_UPTIME, /* /proc/uptime */
LXPR_VERSION, /* /proc/version */
LXPR_VMSTAT, /* /proc/vmstat */
LXPR_NFILES /* number of lx /proc file types */
} lxpr_nodetype_t;
/*
* Number of fds allowed for in the inode number calculation
* per process (if a process has more fds then inode numbers
* may be duplicated)
*/
#define LXPR_FD_PERPROC 2000
/*
* Linux sector size for /proc/diskstats
*/
#define LXPR_SECTOR_SIZE 512
/*
* external dirent characteristics
*/
typedef struct {
lxpr_nodetype_t d_type;
char *d_name;
} lxpr_dirent_t;
/*
* This is the lxprocfs private data object
* which is attached to v_data in the vnode structure
*/
typedef struct lxpr_node {
lxpr_nodetype_t lxpr_type; /* type of this node */
vnode_t *lxpr_vnode; /* vnode for the node */
vnode_t *lxpr_parent; /* parent directory */
vnode_t *lxpr_realvp; /* real vnode, file in dirs */
timestruc_t lxpr_time; /* creation etc time for file */
mode_t lxpr_mode; /* file mode bits */
uid_t lxpr_uid; /* file owner */
gid_t lxpr_gid; /* file group owner */
pid_t lxpr_pid; /* pid of proc referred to */
uint_t lxpr_desc; /* addl. descriptor (fd or tid) */
ino_t lxpr_ino; /* node id */
} lxpr_node_t;
struct zone; /* forward declaration */
/*
* This is the lxprocfs private data object
* which is attached to vfs_data in the vfs structure
*/
typedef struct lxpr_mnt {
lxpr_node_t *lxprm_node; /* node at root of proc mount */
struct zone *lxprm_zone; /* zone for this mount */
ldi_ident_t lxprm_li; /* ident for ldi */
} lxpr_mnt_t;
extern vnodeops_t *lxpr_vnodeops;
extern int nproc_highbit; /* highbit(v.v_nproc) */
typedef struct mounta mounta_t;
extern void lxpr_initnodecache();
extern void lxpr_fininodecache();
extern void lxpr_initrootnode(lxpr_node_t **, vfs_t *);
extern ino_t lxpr_inode(lxpr_nodetype_t, pid_t, int);
extern ino_t lxpr_parentinode(lxpr_node_t *);
extern lxpr_node_t *lxpr_getnode(vnode_t *, lxpr_nodetype_t, proc_t *, int);
extern void lxpr_freenode(lxpr_node_t *);
extern vnode_t *lxpr_lookup_fdnode(vnode_t *, const char *);
extern int lxpr_readlink_fdnode(lxpr_node_t *, char *, size_t);
typedef struct lxpr_uiobuf {
uio_t *uiop;
char *buffer;
uint32_t buffsize;
char *pos;
size_t beg;
int error;
} lxpr_uiobuf_t;
extern lxpr_uiobuf_t *lxpr_uiobuf_new(uio_t *);
extern void lxpr_uiobuf_free(lxpr_uiobuf_t *);
extern int lxpr_uiobuf_flush(lxpr_uiobuf_t *);
extern void lxpr_uiobuf_seek(lxpr_uiobuf_t *, offset_t);
extern boolean_t lxpr_uiobuf_nonblock(lxpr_uiobuf_t *);
extern void lxpr_uiobuf_write(lxpr_uiobuf_t *, const char *, size_t);
extern void lxpr_uiobuf_printf(lxpr_uiobuf_t *, const char *, ...);
extern void lxpr_uiobuf_seterr(lxpr_uiobuf_t *, int);
extern int lxpr_core_path_l2s(const char *, char *, size_t);
extern int lxpr_core_path_s2l(const char *, char *, size_t);
typedef enum lxpr_zombok {
NO_ZOMB = 0,
ZOMB_OK
} zombok_t;
proc_t *lxpr_lock(pid_t, zombok_t);
void lxpr_unlock(proc_t *);
#ifdef __cplusplus
}
#endif
#ifndef islower
#define islower(x) (((unsigned)(x) >= 'a') && ((unsigned)(x) <= 'z'))
#endif
#ifndef toupper
#define toupper(x) (islower(x) ? (x) - 'a' + 'A' : (x))
#endif
#endif /* _LX_PROC_H */
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