2 * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
3 * Copyright (c) 1999 Pierre Beyssac
4 * Copyright (c) 1993, 1995 Jan-Simon Pendry
5 * Copyright (c) 1993, 1995
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * @(#)procfs_vnops.c 8.18 (Berkeley) 5/21/95
41 * $FreeBSD: src/sys/i386/linux/linprocfs/linprocfs_vnops.c,v 1.3.2.5 2001/08/12 14:29:19 rwatson Exp $
42 * $DragonFly: src/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c,v 1.21 2005/08/16 16:10:34 joerg Exp $
46 * procfs vnode interface
49 #include <sys/param.h>
50 #include <sys/systm.h>
52 #include <sys/kernel.h>
54 #include <sys/fcntl.h>
56 #include <sys/signalvar.h>
57 #include <sys/vnode.h>
58 #include <sys/mount.h>
59 #include <sys/namei.h>
60 #include <sys/dirent.h>
61 #include <sys/malloc.h>
62 #include <machine/reg.h>
63 #include <vm/vm_zone.h>
64 #include "linprocfs.h"
65 #include <sys/pioctl.h>
67 #include <machine/limits.h>
69 extern struct vnode *procfs_findtextvp (struct proc *);
71 static int linprocfs_access (struct vop_access_args *);
72 static int linprocfs_badop (void);
73 static int linprocfs_bmap (struct vop_bmap_args *);
74 static int linprocfs_close (struct vop_close_args *);
75 static int linprocfs_getattr (struct vop_getattr_args *);
76 static int linprocfs_inactive (struct vop_inactive_args *);
77 static int linprocfs_ioctl (struct vop_ioctl_args *);
78 static int linprocfs_lookup (struct vop_lookup_args *);
79 static int linprocfs_open (struct vop_open_args *);
80 static int linprocfs_print (struct vop_print_args *);
81 static int linprocfs_readdir (struct vop_readdir_args *);
82 static int linprocfs_readlink (struct vop_readlink_args *);
83 static int linprocfs_reclaim (struct vop_reclaim_args *);
84 static int linprocfs_setattr (struct vop_setattr_args *);
86 static int linprocfs_readdir_proc(struct vop_readdir_args *);
87 static int linprocfs_readdir_root(struct vop_readdir_args *);
90 * This is a list of the valid names in the
91 * process-specific sub-directories. It is
92 * used in linprocfs_lookup and linprocfs_readdir
94 static struct proc_target {
99 int (*pt_valid) (struct proc *p);
101 #define N(s) sizeof(s)-1, s
102 /* name type validp */
103 { DT_DIR, N("."), Pproc, NULL },
104 { DT_DIR, N(".."), Proot, NULL },
105 { DT_REG, N("mem"), Pmem, NULL },
106 { DT_LNK, N("exe"), Pexe, NULL },
107 { DT_REG, N("stat"), Pprocstat, NULL },
108 { DT_REG, N("status"), Pprocstatus, NULL },
111 static const int nproc_targets = sizeof(proc_targets) / sizeof(proc_targets[0]);
113 static pid_t atopid (const char *, u_int);
116 * set things up for doing i/o on
117 * the pfsnode (vp). (vp) is locked
118 * on entry, and should be left locked
121 * for procfs we don't need to do anything
122 * in particular for i/o. all that is done
123 * is to support exclusive open on process
128 struct vop_open_args /* {
131 struct ucred *a_cred;
135 struct pfsnode *pfs = VTOPFS(ap->a_vp);
138 p2 = PFIND(pfs->pfs_pid);
141 if (pfs->pfs_pid && !PRISON_CHECK(ap->a_cred, p2->p_ucred))
144 switch (pfs->pfs_type) {
146 if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
147 ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
150 if (p_trespass(ap->a_cred, p2->p_ucred))
153 if (ap->a_mode & FWRITE)
154 pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
166 * close the pfsnode (vp) after doing i/o.
167 * (vp) is not locked on entry or exit.
169 * nothing to do for procfs other than undo
170 * any exclusive open flag (see _open above).
174 struct vop_close_args /* {
177 struct ucred *a_cred;
181 struct pfsnode *pfs = VTOPFS(ap->a_vp);
184 switch (pfs->pfs_type) {
186 if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
187 pfs->pfs_flags &= ~(FWRITE|O_EXCL);
189 * If this is the last close, then it checks to see if
190 * the target process has PF_LINGER set in p_pfsflags,
191 * if this is *not* the case, then the process' stop flags
192 * are cleared, and the process is woken up. This is
193 * to help prevent the case where a process has been
194 * told to stop on an event, but then the requesting process
195 * has gone away or forgotten about it.
197 if ((ap->a_vp->v_usecount < 2)
198 && (p = pfind(pfs->pfs_pid))
199 && !(p->p_pfsflags & PF_LINGER)) {
213 * do an ioctl operation on a pfsnode (vp).
214 * (vp) is not locked on entry or exit.
218 struct vop_ioctl_args *ap;
220 struct pfsnode *pfs = VTOPFS(ap->a_vp);
225 struct procfs_status *psp;
229 procp = pfind(pfs->pfs_pid);
234 if (p_trespass(ap->a_cred, procp->p_ucred))
237 switch (ap->a_command) {
239 procp->p_stops |= *(unsigned int*)ap->a_data;
242 procp->p_stops &= ~*(unsigned int*)ap->a_data;
246 * NFLAGS is "non-suser_xxx flags" -- currently, only
247 * PFS_ISUGID ("ignore set u/g id");
249 #define NFLAGS (PF_ISUGID)
250 flags = (unsigned char)*(unsigned int*)ap->a_data;
251 if (flags & NFLAGS && (error = suser_cred(ap->a_cred, 0)))
253 procp->p_pfsflags = flags;
256 *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
258 psp = (struct procfs_status *)ap->a_data;
259 psp->state = (procp->p_step == 0);
260 psp->flags = procp->p_pfsflags;
261 psp->events = procp->p_stops;
263 psp->why = procp->p_stype;
264 psp->val = procp->p_xstat;
266 psp->why = psp->val = 0; /* Not defined values */
270 psp = (struct procfs_status *)ap->a_data;
271 if (procp->p_step == 0) {
272 error = tsleep(&procp->p_stype, PCATCH, "piocwait", 0);
276 psp->state = 1; /* It stopped */
277 psp->flags = procp->p_pfsflags;
278 psp->events = procp->p_stops;
279 psp->why = procp->p_stype; /* why it stopped */
280 psp->val = procp->p_xstat; /* any extra info */
282 case PIOCCONT: /* Restart a proc */
283 if (procp->p_step == 0)
284 return EINVAL; /* Can only start a stopped process */
285 if ((signo = *(int*)ap->a_data) != 0) {
286 if (signo >= NSIG || signo <= 0)
288 psignal(procp, signo);
291 wakeup(&procp->p_step);
300 * do block mapping for pfsnode (vp).
301 * since we don't use the buffer cache
302 * for procfs this function should never
303 * be called. in any case, it's not clear
304 * what part of the kernel ever makes use
305 * of this function. for sanity, this is the
306 * usual no-op bmap, although returning
307 * (EIO) would be a reasonable alternative.
311 struct vop_bmap_args /* {
314 struct vnode **a_vpp;
320 if (ap->a_vpp != NULL)
321 *ap->a_vpp = ap->a_vp;
322 if (ap->a_bnp != NULL)
323 *ap->a_bnp = ap->a_bn;
324 if (ap->a_runp != NULL)
330 * linprocfs_inactive is called when the pfsnode
331 * is vrele'd and the reference count is about
332 * to go to zero. (vp) will be on the vnode free
333 * list, so to get it back vget() must be
336 * (vp) is locked on entry and must remain locked
340 linprocfs_inactive(ap)
341 struct vop_inactive_args /* {
345 /*struct vnode *vp = ap->a_vp;*/
351 * _reclaim is called when getnewvnode()
352 * wants to make use of an entry on the vnode
353 * free list. at this time the filesystem needs
354 * to free any private data and remove the node
355 * from any private lists.
358 linprocfs_reclaim(ap)
359 struct vop_reclaim_args /* {
363 return (linprocfs_freevp(ap->a_vp));
367 * _print is used for debugging.
368 * just print a readable description
373 struct vop_print_args /* {
377 struct pfsnode *pfs = VTOPFS(ap->a_vp);
379 printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
380 pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
385 * generic entry point for unsupported operations
395 * Invent attributes for pfsnode (vp) and store
397 * Directories lengths are returned as zero since
398 * any real length would require the genuine size
399 * to be computed, and nothing cares anyway.
401 * this is relatively minimal for procfs.
404 linprocfs_getattr(ap)
405 struct vop_getattr_args /* {
408 struct ucred *a_cred;
412 struct pfsnode *pfs = VTOPFS(ap->a_vp);
413 struct vattr *vap = ap->a_vap;
418 * First make sure that the process and its credentials
421 switch (pfs->pfs_type) {
428 procp = PFIND(pfs->pfs_pid);
429 if (procp == 0 || procp->p_ucred == NULL)
435 /* start by zeroing out the attributes */
438 /* next do all the common fields */
439 vap->va_type = ap->a_vp->v_type;
440 vap->va_mode = pfs->pfs_mode;
441 vap->va_fileid = pfs->pfs_fileno;
443 vap->va_blocksize = PAGE_SIZE;
444 vap->va_bytes = vap->va_size = 0;
445 vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
448 * Make all times be current TOD.
449 * It would be possible to get the process start
450 * time from the p_stat structure, but there's
451 * no "file creation" time stamp anyway, and the
452 * p_stat structure is not addressible if u. gets
453 * swapped out for that process.
455 nanotime(&vap->va_ctime);
456 vap->va_atime = vap->va_mtime = vap->va_ctime;
459 * now do the object specific fields
461 * The size could be set from struct reg, but it's hardly
462 * worth the trouble, and it puts some (potentially) machine
463 * dependent data into this machine-independent code. If it
464 * becomes important then this function should break out into
465 * a per-file stat function in the corresponding .c file.
470 vap->va_uid = procp->p_ucred->cr_uid;
471 vap->va_gid = procp->p_ucred->cr_gid;
474 switch (pfs->pfs_type) {
477 * Set nlink to 1 to tell fts(3) we don't actually know.
482 vap->va_size = vap->va_bytes = DEV_BSIZE;
486 char buf[16]; /* should be enough */
489 vap->va_size = vap->va_bytes =
490 snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
495 vap->va_nlink = nproc_targets;
496 vap->va_size = vap->va_bytes = DEV_BSIZE;
500 char *fullpath, *freepath;
501 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
503 vap->va_size = strlen(fullpath);
504 free(freepath, M_TEMP);
506 vap->va_size = sizeof("unknown") - 1;
509 vap->va_bytes = vap->va_size;
519 vap->va_bytes = vap->va_size = 0;
526 * If we denied owner access earlier, then we have to
527 * change the owner to root - otherwise 'ps' and friends
528 * will break even though they are setgid kmem. *SIGH*
530 if (procp->p_flag & P_SUGID)
533 vap->va_uid = procp->p_ucred->cr_uid;
538 vap->va_bytes = vap->va_size = 0;
539 /* uid, gid are already set */
543 panic("linprocfs_getattr");
550 linprocfs_setattr(ap)
551 struct vop_setattr_args /* {
554 struct ucred *a_cred;
559 if (ap->a_vap->va_flags != VNOVAL)
563 * just fake out attribute setting
564 * it's not good to generate an error
565 * return, otherwise things like creat()
566 * will fail when they try to set the
567 * file length to 0. worse, this means
568 * that echo $note > /proc/$pid/note will fail.
575 * implement access checking.
577 * something very similar to this code is duplicated
578 * throughout the 4bsd kernel and should be moved
579 * into kern/vfs_subr.c sometime.
581 * actually, the check for super-user is slightly
582 * broken since it will allow read access to write-only
583 * objects. this doesn't cause any particular trouble
584 * but does mean that the i/o entry points need to check
585 * that the operation really does make sense.
589 struct vop_access_args /* {
592 struct ucred *a_cred;
601 * If you're the super-user,
602 * you always get access.
604 if (ap->a_cred->cr_uid == 0)
608 error = VOP_GETATTR(ap->a_vp, vap, ap->a_td);
613 * Access check is based on only one of owner, group, public.
614 * If not owner, then check group. If not a member of the
615 * group, then check public access.
617 if (ap->a_cred->cr_uid != vap->va_uid) {
622 gp = ap->a_cred->cr_groups;
623 for (i = 0; i < ap->a_cred->cr_ngroups; i++, gp++)
624 if (vap->va_gid == *gp)
631 if ((vap->va_mode & ap->a_mode) == ap->a_mode)
638 * lookup. this is incredibly complicated in the general case, however
639 * for most pseudo-filesystems very little needs to be done.
643 struct vop_lookup_args /* {
644 struct vnode * a_dvp;
645 struct vnode ** a_vpp;
646 struct componentname * a_cnp;
649 struct componentname *cnp = ap->a_cnp;
650 struct vnode **vpp = ap->a_vpp;
651 struct vnode *dvp = ap->a_dvp;
652 char *pname = cnp->cn_nameptr;
653 struct proc_target *pt;
662 if (cnp->cn_nameiop == NAMEI_DELETE ||
663 cnp->cn_nameiop == NAMEI_RENAME ||
664 cnp->cn_nameiop == NAMEI_CREATE) {
670 if (cnp->cn_namelen == 1 && *pname == '.') {
677 switch (pfs->pfs_type) {
679 if (cnp->cn_flags & CNP_ISDOTDOT)
682 if (CNEQ(cnp, "self", 4)) {
683 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pself);
686 if (CNEQ(cnp, "meminfo", 7)) {
687 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pmeminfo);
690 if (CNEQ(cnp, "cpuinfo", 7)) {
691 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pcpuinfo);
694 if (CNEQ(cnp, "stat", 4)) {
695 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pstat);
698 if (CNEQ(cnp, "uptime", 6)) {
699 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Puptime);
702 if (CNEQ(cnp, "version", 7)) {
703 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Pversion);
706 if (CNEQ(cnp, "loadavg", 7)) {
707 error = linprocfs_allocvp(dvp->v_mount, vpp, 0, Ploadavg);
711 pid = atopid(pname, cnp->cn_namelen);
719 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
722 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
723 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
726 error = linprocfs_allocvp(dvp->v_mount, vpp, pid, Pproc);
730 if (cnp->cn_flags & CNP_ISDOTDOT) {
731 error = linprocfs_root(dvp->v_mount, vpp);
735 p = PFIND(pfs->pfs_pid);
739 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
742 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
743 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
746 for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
747 if (cnp->cn_namelen == pt->pt_namlen &&
748 bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
749 (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
755 error = linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
764 if (cnp->cn_nameiop == NAMEI_LOOKUP)
770 * If no error occured *vpp will hold a referenced locked vnode.
771 * dvp was passed to us locked and *vpp must be returned locked
772 * so if dvp != *vpp and CNP_LOCKPARENT is not set, unlock dvp.
776 if (*vpp != dvp && (cnp->cn_flags & CNP_LOCKPARENT) == 0) {
777 cnp->cn_flags |= CNP_PDIRUNLOCK;
778 VOP_UNLOCK(dvp, 0, cnp->cn_td);
785 * Does this process have a text file?
788 linprocfs_validfile(p)
792 return (procfs_findtextvp(p) != NULLVP);
796 * readdir() returns directory entries from pfsnode (vp).
798 * We generate just one directory entry at a time, as it would probably
799 * not pay off to buffer several entries locally to save uiomove calls.
801 * linprocfs_readdir(struct vnode *a_vp, struct uio *a_uio,
802 * struct ucred *a_cred, int *a_eofflag,
803 * int *a_ncookies, u_long **a_cookies)
806 linprocfs_readdir(struct vop_readdir_args *ap)
811 if (ap->a_uio->uio_offset < 0 || ap->a_uio->uio_offset > INT_MAX)
814 pfs = VTOPFS(ap->a_vp);
816 switch (pfs->pfs_type) {
818 * this is for the process-specific sub-directories.
819 * all that is needed to is copy out all the entries
820 * from the procent[] table (top of this file).
823 error = linprocfs_readdir_proc(ap);
827 * this is for the root of the procfs filesystem
828 * what is needed is a special entry for "self"
829 * followed by an entry for each process on allproc
833 error = linprocfs_readdir_root(ap);
845 linprocfs_readdir_proc(struct vop_readdir_args *ap)
848 int error, i, retval;
850 struct proc_target *pt;
851 struct uio *uio = ap->a_uio;
853 pfs = VTOPFS(ap->a_vp);
854 p = PFIND(pfs->pfs_pid);
857 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
863 for (pt = &proc_targets[i];
864 !error && uio->uio_resid > 0 && i < nproc_targets; pt++, i++) {
865 if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
868 retval = vop_write_dirent(&error, uio,
869 PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype), pt->pt_type,
870 pt->pt_namlen, pt->pt_name);
881 linprocfs_readdir_root(struct vop_readdir_args *ap)
883 int error, i, pcnt, retval;
884 struct uio *uio = ap->a_uio;
885 struct proc *p = LIST_FIRST(&allproc);
896 for (; p && uio->uio_resid > 0 && !error; i++, pcnt++) {
899 d_ino = PROCFS_FILENO(0, Proot);
905 d_ino = PROCFS_FILENO(0, Proot);
912 d_ino = PROCFS_FILENO(0, Proot);
919 d_ino = PROCFS_FILENO(0, Pmeminfo);
926 d_ino = PROCFS_FILENO(0, Pcpuinfo);
933 d_ino = PROCFS_FILENO(0, Pstat);
940 d_ino = PROCFS_FILENO(0, Puptime);
947 d_ino = PROCFS_FILENO(0, Pversion);
954 d_ino = PROCFS_FILENO(0, Ploadavg);
962 p = LIST_NEXT(p, p_list);
965 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
969 while (!PRISON_CHECK(ap->a_cred, p->p_ucred)) {
970 p = LIST_NEXT(p, p_list);
974 if (ps_showallprocs == 0 &&
975 ap->a_cred->cr_uid != 0 &&
976 ap->a_cred->cr_uid != p->p_ucred->cr_uid) {
977 p = LIST_NEXT(p, p_list);
982 d_ino = PROCFS_FILENO(p->p_pid, Pproc);
983 d_namlen = snprintf(d_name_pid, sizeof(d_name_pid),
984 "%ld", (long)p->p_pid);
987 p = LIST_NEXT(p, p_list);
991 retval = vop_write_dirent(&error, uio,
992 d_ino, d_type, d_namlen, d_name);
1003 * readlink reads the link of `self' or `exe'
1006 linprocfs_readlink(ap)
1007 struct vop_readlink_args *ap;
1009 char buf[16]; /* should be enough */
1011 struct vnode *vp = ap->a_vp;
1012 struct pfsnode *pfs = VTOPFS(vp);
1013 char *fullpath, *freepath;
1016 switch (pfs->pfs_type) {
1018 if (pfs->pfs_fileno != PROCFS_FILENO(0, Pself))
1021 len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
1023 return (uiomove(buf, len, ap->a_uio));
1025 * There _should_ be no way for an entire process to disappear
1029 procp = PFIND(pfs->pfs_pid);
1030 if (procp == NULL || procp->p_ucred == NULL) {
1031 printf("linprocfs_readlink: pid %d disappeared\n",
1033 return (uiomove("unknown", sizeof("unknown") - 1,
1036 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
1038 return (uiomove("unknown", sizeof("unknown") - 1,
1040 error = uiomove(fullpath, strlen(fullpath), ap->a_uio);
1041 free(freepath, M_TEMP);
1049 * convert decimal ascii to pid_t
1060 if (c < '0' || c > '9')
1062 p = 10 * p + (c - '0');
1071 * procfs vnode operations.
1073 struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
1074 { &vop_default_desc, vop_defaultop },
1075 { &vop_access_desc, (void *) linprocfs_access },
1076 { &vop_advlock_desc, (void *) linprocfs_badop },
1077 { &vop_bmap_desc, (void *) linprocfs_bmap },
1078 { &vop_close_desc, (void *) linprocfs_close },
1079 { &vop_create_desc, (void *) linprocfs_badop },
1080 { &vop_getattr_desc, (void *) linprocfs_getattr },
1081 { &vop_inactive_desc, (void *) linprocfs_inactive },
1082 { &vop_link_desc, (void *) linprocfs_badop },
1083 { &vop_lookup_desc, (void *) linprocfs_lookup },
1084 { &vop_mkdir_desc, (void *) linprocfs_badop },
1085 { &vop_mknod_desc, (void *) linprocfs_badop },
1086 { &vop_open_desc, (void *) linprocfs_open },
1087 { &vop_pathconf_desc, (void *) vop_stdpathconf },
1088 { &vop_print_desc, (void *) linprocfs_print },
1089 { &vop_read_desc, (void *) linprocfs_rw },
1090 { &vop_readdir_desc, (void *) linprocfs_readdir },
1091 { &vop_readlink_desc, (void *) linprocfs_readlink },
1092 { &vop_reclaim_desc, (void *) linprocfs_reclaim },
1093 { &vop_remove_desc, (void *) linprocfs_badop },
1094 { &vop_rename_desc, (void *) linprocfs_badop },
1095 { &vop_rmdir_desc, (void *) linprocfs_badop },
1096 { &vop_setattr_desc, (void *) linprocfs_setattr },
1097 { &vop_symlink_desc, (void *) linprocfs_badop },
1098 { &vop_write_desc, (void *) linprocfs_rw },
1099 { &vop_ioctl_desc, (void *) linprocfs_ioctl },