2 * Copyright (c) 1993, 1995 Jan-Simon Pendry
3 * Copyright (c) 1993, 1995
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
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10 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
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19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
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37 * @(#)procfs_vnops.c 8.18 (Berkeley) 5/21/95
39 * $FreeBSD: src/sys/miscfs/procfs/procfs_vnops.c,v 1.76.2.7 2002/01/22 17:22:59 nectar Exp $
40 * $DragonFly: src/sys/vfs/procfs/procfs_vnops.c,v 1.30 2006/05/05 21:15:10 dillon Exp $
44 * procfs vnode interface
47 #include <sys/param.h>
48 #include <sys/systm.h>
50 #include <sys/kernel.h>
52 #include <sys/fcntl.h>
54 #include <sys/signalvar.h>
55 #include <sys/vnode.h>
57 #include <sys/mount.h>
58 #include <sys/namei.h>
59 #include <sys/dirent.h>
60 #include <sys/malloc.h>
61 #include <machine/reg.h>
62 #include <vm/vm_zone.h>
63 #include <vfs/procfs/procfs.h>
64 #include <sys/pioctl.h>
66 #include <machine/limits.h>
68 static int procfs_access (struct vop_access_args *);
69 static int procfs_badop (void);
70 static int procfs_bmap (struct vop_bmap_args *);
71 static int procfs_close (struct vop_close_args *);
72 static int procfs_getattr (struct vop_getattr_args *);
73 static int procfs_inactive (struct vop_inactive_args *);
74 static int procfs_ioctl (struct vop_ioctl_args *);
75 static int procfs_lookup (struct vop_old_lookup_args *);
76 static int procfs_open (struct vop_open_args *);
77 static int procfs_print (struct vop_print_args *);
78 static int procfs_readdir (struct vop_readdir_args *);
79 static int procfs_readlink (struct vop_readlink_args *);
80 static int procfs_reclaim (struct vop_reclaim_args *);
81 static int procfs_setattr (struct vop_setattr_args *);
83 static int procfs_readdir_proc(struct vop_readdir_args *);
84 static int procfs_readdir_root(struct vop_readdir_args *);
87 * This is a list of the valid names in the
88 * process-specific sub-directories. It is
89 * used in procfs_lookup and procfs_readdir
91 static struct proc_target {
96 int (*pt_valid) (struct proc *p);
98 #define N(s) sizeof(s)-1, s
99 /* name type validp */
100 { DT_DIR, N("."), Pproc, NULL },
101 { DT_DIR, N(".."), Proot, NULL },
102 { DT_REG, N("mem"), Pmem, NULL },
103 { DT_REG, N("regs"), Pregs, procfs_validregs },
104 { DT_REG, N("fpregs"), Pfpregs, procfs_validfpregs },
105 { DT_REG, N("dbregs"), Pdbregs, procfs_validdbregs },
106 { DT_REG, N("ctl"), Pctl, NULL },
107 { DT_REG, N("status"), Pstatus, NULL },
108 { DT_REG, N("note"), Pnote, NULL },
109 { DT_REG, N("notepg"), Pnotepg, NULL },
110 { DT_REG, N("map"), Pmap, procfs_validmap },
111 { DT_REG, N("etype"), Ptype, procfs_validtype },
112 { DT_REG, N("cmdline"), Pcmdline, NULL },
113 { DT_REG, N("rlimit"), Prlimit, NULL },
114 { DT_LNK, N("file"), Pfile, NULL },
117 static const int nproc_targets = sizeof(proc_targets) / sizeof(proc_targets[0]);
119 static pid_t atopid (const char *, u_int);
122 * set things up for doing i/o on
123 * the pfsnode (vp). (vp) is locked
124 * on entry, and should be left locked
127 * for procfs we don't need to do anything
128 * in particular for i/o. all that is done
129 * is to support exclusive open on process
132 * procfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
133 * struct thread *a_td)
136 procfs_open(struct vop_open_args *ap)
138 struct pfsnode *pfs = VTOPFS(ap->a_vp);
139 struct proc *p1, *p2;
141 p2 = PFIND(pfs->pfs_pid);
144 if (pfs->pfs_pid && !PRISON_CHECK(ap->a_cred, p2->p_ucred))
147 switch (pfs->pfs_type) {
149 if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
150 ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
153 p1 = ap->a_td->td_proc;
155 /* Can't trace a process that's currently exec'ing. */
156 if ((p2->p_flag & P_INEXEC) != 0)
158 if (!CHECKIO(p1, p2) || p_trespass(ap->a_cred, p2->p_ucred))
161 if (ap->a_mode & FWRITE)
162 pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
170 return (vop_stdopen(ap));
174 * close the pfsnode (vp) after doing i/o.
175 * (vp) is not locked on entry or exit.
177 * nothing to do for procfs other than undo
178 * any exclusive open flag (see _open above).
180 * procfs_close(struct vnode *a_vp, int a_fflag, struct ucred *a_cred,
181 * struct thread *a_td)
184 procfs_close(struct vop_close_args *ap)
186 struct pfsnode *pfs = VTOPFS(ap->a_vp);
189 switch (pfs->pfs_type) {
191 if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
192 pfs->pfs_flags &= ~(FWRITE|O_EXCL);
194 * This rather complicated-looking code is trying to
195 * determine if this was the last close on this particular
196 * vnode. While one would expect v_usecount to be 1 at
197 * that point, it seems that (according to John Dyson)
198 * the VM system will bump up the usecount. So: if the
199 * usecount is 2, and VOBJBUF is set, then this is really
200 * the last close. Otherwise, if the usecount is < 2
201 * then it is definitely the last close.
202 * If this is the last close, then it checks to see if
203 * the target process has PF_LINGER set in p_pfsflags,
204 * if this is *not* the case, then the process' stop flags
205 * are cleared, and the process is woken up. This is
206 * to help prevent the case where a process has been
207 * told to stop on an event, but then the requesting process
208 * has gone away or forgotten about it.
210 if ((ap->a_vp->v_usecount < 2)
211 && (p = pfind(pfs->pfs_pid))
212 && !(p->p_pfsflags & PF_LINGER)) {
222 return (vop_stdclose(ap));
226 * do an ioctl operation on a pfsnode (vp).
227 * (vp) is not locked on entry or exit.
230 procfs_ioctl(struct vop_ioctl_args *ap)
232 struct pfsnode *pfs = VTOPFS(ap->a_vp);
237 struct procfs_status *psp;
240 procp = pfind(pfs->pfs_pid);
243 p = ap->a_td->td_proc;
247 /* Can't trace a process that's currently exec'ing. */
248 if ((procp->p_flag & P_INEXEC) != 0)
250 if (!CHECKIO(p, procp) || p_trespass(ap->a_cred, procp->p_ucred))
253 switch (ap->a_command) {
255 procp->p_stops |= *(unsigned int*)ap->a_data;
258 procp->p_stops &= ~*(unsigned int*)ap->a_data;
262 * NFLAGS is "non-suser_xxx flags" -- currently, only
263 * PFS_ISUGID ("ignore set u/g id");
265 #define NFLAGS (PF_ISUGID)
266 flags = (unsigned char)*(unsigned int*)ap->a_data;
267 if (flags & NFLAGS && (error = suser_cred(ap->a_cred, 0)))
269 procp->p_pfsflags = flags;
272 *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
275 psp = (struct procfs_status *)ap->a_data;
276 psp->state = (procp->p_step == 0);
277 psp->flags = procp->p_pfsflags;
278 psp->events = procp->p_stops;
280 psp->why = procp->p_stype;
281 psp->val = procp->p_xstat;
283 psp->why = psp->val = 0; /* Not defined values */
287 psp = (struct procfs_status *)ap->a_data;
288 if (procp->p_step == 0) {
289 error = tsleep(&procp->p_stype, PCATCH, "piocwait", 0);
293 psp->state = 1; /* It stopped */
294 psp->flags = procp->p_pfsflags;
295 psp->events = procp->p_stops;
296 psp->why = procp->p_stype; /* why it stopped */
297 psp->val = procp->p_xstat; /* any extra info */
299 case PIOCCONT: /* Restart a proc */
300 if (procp->p_step == 0)
301 return EINVAL; /* Can only start a stopped process */
302 if ((signo = *(int*)ap->a_data) != 0) {
303 if (signo >= NSIG || signo <= 0)
305 psignal(procp, signo);
308 wakeup(&procp->p_step);
317 * do block mapping for pfsnode (vp).
318 * since we don't use the buffer cache
319 * for procfs this function should never
320 * be called. in any case, it's not clear
321 * what part of the kernel ever makes use
322 * of this function. for sanity, this is the
323 * usual no-op bmap, although returning
324 * (EIO) would be a reasonable alternative.
326 * procfs_bmap(struct vnode *a_vp, off_t a_loffset, struct vnode **a_vpp,
327 * off_t *a_doffsetp, int *a_runp)
330 procfs_bmap(struct vop_bmap_args *ap)
332 if (ap->a_vpp != NULL)
333 *ap->a_vpp = ap->a_vp;
334 if (ap->a_doffsetp != NULL)
335 *ap->a_doffsetp = ap->a_loffset;
336 if (ap->a_runp != NULL)
338 if (ap->a_runb != NULL)
344 * procfs_inactive is called when the pfsnode
345 * is vrele'd and the reference count goes
346 * to zero. (vp) will be on the vnode free
347 * list, so to get it back vget() must be
350 * (vp) is locked on entry, but must be unlocked on exit.
352 * procfs_inactive(struct vnode *a_vp, struct thread *a_td)
355 procfs_inactive(struct vop_inactive_args *ap)
357 /*struct vnode *vp = ap->a_vp;*/
363 * _reclaim is called when getnewvnode()
364 * wants to make use of an entry on the vnode
365 * free list. at this time the filesystem needs
366 * to free any private data and remove the node
367 * from any private lists.
369 * procfs_reclaim(struct vnode *a_vp)
372 procfs_reclaim(struct vop_reclaim_args *ap)
374 return (procfs_freevp(ap->a_vp));
378 * _print is used for debugging.
379 * just print a readable description
382 * procfs_print(struct vnode *a_vp)
385 procfs_print(struct vop_print_args *ap)
387 struct pfsnode *pfs = VTOPFS(ap->a_vp);
389 printf("tag VT_PROCFS, type %d, pid %ld, mode %x, flags %lx\n",
390 pfs->pfs_type, (long)pfs->pfs_pid, pfs->pfs_mode, pfs->pfs_flags);
395 * generic entry point for unsupported operations
404 * Invent attributes for pfsnode (vp) and store
406 * Directories lengths are returned as zero since
407 * any real length would require the genuine size
408 * to be computed, and nothing cares anyway.
410 * this is relatively minimal for procfs.
412 * procfs_getattr(struct vnode *a_vp, struct vattr *a_vap,
413 * struct ucred *a_cred, struct thread *a_td)
416 procfs_getattr(struct vop_getattr_args *ap)
418 struct pfsnode *pfs = VTOPFS(ap->a_vp);
419 struct vattr *vap = ap->a_vap;
424 * First make sure that the process and its credentials
427 switch (pfs->pfs_type) {
434 procp = PFIND(pfs->pfs_pid);
435 if (procp == NULL || procp->p_ucred == NULL)
441 /* start by zeroing out the attributes */
444 /* next do all the common fields */
445 vap->va_type = ap->a_vp->v_type;
446 vap->va_mode = pfs->pfs_mode;
447 vap->va_fileid = pfs->pfs_fileno;
449 vap->va_blocksize = PAGE_SIZE;
450 vap->va_bytes = vap->va_size = 0;
451 vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
454 * Make all times be current TOD.
455 * It would be possible to get the process start
456 * time from the p_stat structure, but there's
457 * no "file creation" time stamp anyway, and the
458 * p_stat structure is not addressible if u. gets
459 * swapped out for that process.
461 nanotime(&vap->va_ctime);
462 vap->va_atime = vap->va_mtime = vap->va_ctime;
465 * If the process has exercised some setuid or setgid
466 * privilege, then rip away read/write permission so
467 * that only root can gain access.
469 switch (pfs->pfs_type) {
475 if (procp->p_flag & P_SUGID)
476 vap->va_mode &= ~((VREAD|VWRITE)|
478 ((VREAD|VWRITE)>>6));
485 * now do the object specific fields
487 * The size could be set from struct reg, but it's hardly
488 * worth the trouble, and it puts some (potentially) machine
489 * dependent data into this machine-independent code. If it
490 * becomes important then this function should break out into
491 * a per-file stat function in the corresponding .c file.
496 vap->va_uid = procp->p_ucred->cr_uid;
497 vap->va_gid = procp->p_ucred->cr_gid;
500 switch (pfs->pfs_type) {
503 * Set nlink to 1 to tell fts(3) we don't actually know.
508 vap->va_size = vap->va_bytes = DEV_BSIZE;
512 char buf[16]; /* should be enough */
515 vap->va_size = vap->va_bytes =
516 snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
521 vap->va_nlink = nproc_targets;
522 vap->va_size = vap->va_bytes = DEV_BSIZE;
526 char *fullpath, *freepath;
527 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
529 vap->va_size = strlen(fullpath);
530 free(freepath, M_TEMP);
532 vap->va_size = sizeof("unknown") - 1;
535 vap->va_bytes = vap->va_size;
541 * If we denied owner access earlier, then we have to
542 * change the owner to root - otherwise 'ps' and friends
543 * will break even though they are setgid kmem. *SIGH*
545 if (procp->p_flag & P_SUGID)
548 vap->va_uid = procp->p_ucred->cr_uid;
552 vap->va_bytes = vap->va_size = sizeof(struct reg);
556 vap->va_bytes = vap->va_size = sizeof(struct fpreg);
560 vap->va_bytes = vap->va_size = sizeof(struct dbreg);
574 panic("procfs_getattr");
581 * procfs_setattr(struct vnode *a_vp, struct vattr *a_vap,
582 * struct ucred *a_cred, struct thread *a_td)
585 procfs_setattr(struct vop_setattr_args *ap)
587 if (ap->a_vap->va_flags != VNOVAL)
591 * just fake out attribute setting
592 * it's not good to generate an error
593 * return, otherwise things like creat()
594 * will fail when they try to set the
595 * file length to 0. worse, this means
596 * that echo $note > /proc/$pid/note will fail.
603 * implement access checking.
605 * something very similar to this code is duplicated
606 * throughout the 4bsd kernel and should be moved
607 * into kern/vfs_subr.c sometime.
609 * actually, the check for super-user is slightly
610 * broken since it will allow read access to write-only
611 * objects. this doesn't cause any particular trouble
612 * but does mean that the i/o entry points need to check
613 * that the operation really does make sense.
615 * procfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
616 * struct thread *a_td)
619 procfs_access(struct vop_access_args *ap)
626 * If you're the super-user,
627 * you always get access.
629 if (ap->a_cred->cr_uid == 0)
633 error = VOP_GETATTR(ap->a_vp, vap, ap->a_td);
638 * Access check is based on only one of owner, group, public.
639 * If not owner, then check group. If not a member of the
640 * group, then check public access.
642 if (ap->a_cred->cr_uid != vap->va_uid) {
647 gp = ap->a_cred->cr_groups;
648 for (i = 0; i < ap->a_cred->cr_ngroups; i++, gp++)
649 if (vap->va_gid == *gp)
656 if ((vap->va_mode & ap->a_mode) == ap->a_mode)
663 * lookup. this is incredibly complicated in the general case, however
664 * for most pseudo-filesystems very little needs to be done.
666 * procfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
667 * struct componentname *a_cnp)
670 procfs_lookup(struct vop_old_lookup_args *ap)
672 struct componentname *cnp = ap->a_cnp;
673 struct vnode **vpp = ap->a_vpp;
674 struct vnode *dvp = ap->a_dvp;
675 char *pname = cnp->cn_nameptr;
676 /* struct proc *curp = cnp->cn_proc; */
677 struct proc_target *pt;
686 if (cnp->cn_nameiop == NAMEI_DELETE || cnp->cn_nameiop == NAMEI_RENAME)
690 if (cnp->cn_namelen == 1 && *pname == '.') {
697 switch (pfs->pfs_type) {
699 if (cnp->cn_flags & CNP_ISDOTDOT)
702 if (CNEQ(cnp, "curproc", 7)) {
703 error = procfs_allocvp(dvp->v_mount, vpp, 0, Pcurproc);
707 pid = atopid(pname, cnp->cn_namelen);
715 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
718 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
719 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
722 error = procfs_allocvp(dvp->v_mount, vpp, pid, Pproc);
726 if (cnp->cn_flags & CNP_ISDOTDOT) {
727 error = procfs_root(dvp->v_mount, vpp);
731 p = PFIND(pfs->pfs_pid);
735 if (!PRISON_CHECK(ap->a_cnp->cn_cred, p->p_ucred))
738 if (ps_showallprocs == 0 && ap->a_cnp->cn_cred->cr_uid != 0 &&
739 ap->a_cnp->cn_cred->cr_uid != p->p_ucred->cr_uid)
742 for (pt = proc_targets, i = 0; i < nproc_targets; pt++, i++) {
743 if (cnp->cn_namelen == pt->pt_namlen &&
744 bcmp(pt->pt_name, pname, cnp->cn_namelen) == 0 &&
745 (pt->pt_valid == NULL || (*pt->pt_valid)(p)))
750 error = procfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid,
758 if (cnp->cn_nameiop == NAMEI_LOOKUP)
763 * If no error occured *vpp will hold a referenced locked vnode.
764 * dvp was passed to us locked and *vpp must be returned locked.
765 * If *vpp != dvp then we should unlock dvp if (1) this is not the
766 * last component or (2) CNP_LOCKPARENT is not set.
769 if (error == 0 && *vpp != dvp) {
770 if ((cnp->cn_flags & CNP_LOCKPARENT) == 0) {
771 cnp->cn_flags |= CNP_PDIRUNLOCK;
779 * Does this process have a text file?
782 procfs_validfile(struct proc *p)
784 return (procfs_findtextvp(p) != NULLVP);
788 * readdir() returns directory entries from pfsnode (vp).
790 * We generate just one directory entry at a time, as it would probably
791 * not pay off to buffer several entries locally to save uiomove calls.
793 * procfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
794 * int *a_eofflag, int *a_ncookies, u_long **a_cookies)
797 procfs_readdir(struct vop_readdir_args *ap)
802 if (ap->a_uio->uio_offset < 0 || ap->a_uio->uio_offset > INT_MAX)
805 pfs = VTOPFS(ap->a_vp);
807 switch (pfs->pfs_type) {
809 * this is for the process-specific sub-directories.
810 * all that is needed to is copy out all the entries
811 * from the procent[] table (top of this file).
814 error = procfs_readdir_proc(ap);
818 * this is for the root of the procfs filesystem
819 * what is needed is a special entry for "curproc"
820 * followed by an entry for each process on allproc
824 error = procfs_readdir_root(ap);
836 procfs_readdir_proc(struct vop_readdir_args *ap)
839 int error, i, retval;
841 struct proc_target *pt;
842 struct uio *uio = ap->a_uio;
844 pfs = VTOPFS(ap->a_vp);
845 p = PFIND(pfs->pfs_pid);
848 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
854 for (pt = &proc_targets[i];
855 !error && uio->uio_resid > 0 && i < nproc_targets; pt++, i++) {
856 if (pt->pt_valid && (*pt->pt_valid)(p) == 0)
859 retval = vop_write_dirent(&error, uio,
860 PROCFS_FILENO(pfs->pfs_pid, pt->pt_pfstype), pt->pt_type,
861 pt->pt_namlen, pt->pt_name);
872 procfs_readdir_root(struct vop_readdir_args *ap)
874 int error, i, pcnt, retval;
875 struct uio *uio = ap->a_uio;
876 volatile struct proc *p = LIST_FIRST(&allproc);
887 for (; p && uio->uio_resid > 0 && !error; i++, pcnt++) {
890 d_ino = PROCFS_FILENO(0, Proot);
896 d_ino = PROCFS_FILENO(0, Proot);
903 d_ino = PROCFS_FILENO(0, Pcurproc);
912 p = LIST_NEXT(p, p_list);
915 if (!PRISON_CHECK(ap->a_cred, p->p_ucred))
919 while (!PRISON_CHECK(ap->a_cred, p->p_ucred)) {
920 p = LIST_NEXT(p, p_list);
924 if (ps_showallprocs == 0 &&
925 ap->a_cred->cr_uid != 0 &&
926 ap->a_cred->cr_uid != p->p_ucred->cr_uid) {
927 p = LIST_NEXT(p, p_list);
933 d_ino = PROCFS_FILENO(p->p_pid, Pproc);
934 d_namlen = snprintf(d_name_pid, sizeof(d_name_pid),
935 "%ld", (long)p->p_pid);
938 p = LIST_NEXT(p, p_list);
944 retval = vop_write_dirent(&error, uio,
945 d_ino, d_type, d_namlen, d_name);
957 * readlink reads the link of `curproc' or `file'
960 procfs_readlink(struct vop_readlink_args *ap)
962 char buf[16]; /* should be enough */
964 struct vnode *vp = ap->a_vp;
965 struct pfsnode *pfs = VTOPFS(vp);
966 char *fullpath, *freepath;
969 switch (pfs->pfs_type) {
971 if (pfs->pfs_fileno != PROCFS_FILENO(0, Pcurproc))
974 len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
976 return (uiomove(buf, len, ap->a_uio));
978 * There _should_ be no way for an entire process to disappear
982 procp = PFIND(pfs->pfs_pid);
983 if (procp == NULL || procp->p_ucred == NULL) {
984 printf("procfs_readlink: pid %d disappeared\n",
986 return (uiomove("unknown", sizeof("unknown") - 1,
989 error = vn_fullpath(procp, NULL, &fullpath, &freepath);
991 return (uiomove("unknown", sizeof("unknown") - 1,
993 error = uiomove(fullpath, strlen(fullpath), ap->a_uio);
994 free(freepath, M_TEMP);
1002 * convert decimal ascii to pid_t
1005 atopid(const char *b, u_int len)
1011 if (c < '0' || c > '9')
1013 p = 10 * p + (c - '0');
1022 * procfs vnode operations.
1024 struct vnodeopv_entry_desc procfs_vnodeop_entries[] = {
1025 { &vop_default_desc, vop_defaultop },
1026 { &vop_access_desc, (vnodeopv_entry_t) procfs_access },
1027 { &vop_advlock_desc, (vnodeopv_entry_t) procfs_badop },
1028 { &vop_bmap_desc, (vnodeopv_entry_t) procfs_bmap },
1029 { &vop_close_desc, (vnodeopv_entry_t) procfs_close },
1030 { &vop_old_create_desc, (vnodeopv_entry_t) procfs_badop },
1031 { &vop_getattr_desc, (vnodeopv_entry_t) procfs_getattr },
1032 { &vop_inactive_desc, (vnodeopv_entry_t) procfs_inactive },
1033 { &vop_old_link_desc, (vnodeopv_entry_t) procfs_badop },
1034 { &vop_old_lookup_desc, (vnodeopv_entry_t) procfs_lookup },
1035 { &vop_old_mkdir_desc, (vnodeopv_entry_t) procfs_badop },
1036 { &vop_old_mknod_desc, (vnodeopv_entry_t) procfs_badop },
1037 { &vop_open_desc, (vnodeopv_entry_t) procfs_open },
1038 { &vop_pathconf_desc, (vnodeopv_entry_t) vop_stdpathconf },
1039 { &vop_print_desc, (vnodeopv_entry_t) procfs_print },
1040 { &vop_read_desc, (vnodeopv_entry_t) procfs_rw },
1041 { &vop_readdir_desc, (vnodeopv_entry_t) procfs_readdir },
1042 { &vop_readlink_desc, (vnodeopv_entry_t) procfs_readlink },
1043 { &vop_reclaim_desc, (vnodeopv_entry_t) procfs_reclaim },
1044 { &vop_old_remove_desc, (vnodeopv_entry_t) procfs_badop },
1045 { &vop_old_rename_desc, (vnodeopv_entry_t) procfs_badop },
1046 { &vop_old_rmdir_desc, (vnodeopv_entry_t) procfs_badop },
1047 { &vop_setattr_desc, (vnodeopv_entry_t) procfs_setattr },
1048 { &vop_old_symlink_desc, (vnodeopv_entry_t) procfs_badop },
1049 { &vop_write_desc, (vnodeopv_entry_t) procfs_rw },
1050 { &vop_ioctl_desc, (vnodeopv_entry_t) procfs_ioctl },