1/*
2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
29/*
30 * Copyright (c) 1992, 1993
31 * The Regents of the University of California. All rights reserved.
32 *
33 * This code is derived from software donated to Berkeley by
34 * Jan-Simon Pendry.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by the University of
47 * California, Berkeley and its contributors.
48 * 4. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * SUCH DAMAGE.
63 *
64 * @(#)fdesc_vnops.c 8.17 (Berkeley) 5/22/95
65 *
66 */
67
68/*
69 * /dev/fd Filesystem
70 */
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/types.h>
75#include <sys/time.h>
76#include <sys/proc_internal.h>
77#include <sys/kernel.h> /* boottime */
78#include <sys/resourcevar.h>
79#include <sys/filedesc.h>
80#include <sys/kauth.h>
81#include <sys/vnode_internal.h>
82#include <sys/malloc.h>
83#include <sys/file_internal.h>
84#include <sys/stat.h>
85#include <sys/mount_internal.h>
86#include <sys/namei.h>
87#include <sys/dirent.h>
88#include <sys/ubc.h>
89#include <sys/socketvar.h>
90#include <sys/pipe.h>
91#include <sys/uio_internal.h>
92#include <vfs/vfs_support.h>
93#include <pexpert/pexpert.h>
94#include <miscfs/devfs/fdesc.h>
95#include <miscfs/devfs/devfs.h>
96#include <miscfs/devfs/devfsdefs.h>
97
98#define FDL_WANT 0x01
99#define FDL_LOCKED 0x02
100static int fdcache_lock;
101
102
103#if (FD_STDIN != FD_STDOUT-1) || (FD_STDOUT != FD_STDERR-1)
104FD_STDIN, FD_STDOUT, FD_STDERR must be a sequence n, n+1, n+2
105#endif
106
107#define NFDCACHE 3
108
109#define FD_NHASH(ix) \
110 (&fdhashtbl[(ix) & fdhash])
111LIST_HEAD(fdhashhead, fdescnode) *fdhashtbl;
112u_long fdhash;
113
114static int fdesc_attr(int fd, struct vnode_attr *vap, vfs_context_t a_context);
115
116lck_mtx_t fdesc_mtx;
117lck_grp_t *fdesc_lckgrp;
118
119static void
120fdesc_lock(void)
121{
122 lck_mtx_lock(&fdesc_mtx);
123}
124
125static void
126fdesc_unlock(void)
127{
128 lck_mtx_unlock(&fdesc_mtx);
129}
130
131
132/*
133 * Initialise cache headers, create the devfs node
134 */
135int
136devfs_fdesc_init()
137{
138 int error = 0;
139 devnode_t *rootdir = dev_root->de_dnp;
140 devdirent_t *direntp;
141
142 /* XXX Make sure you have the right path... */
143 fdhashtbl = hashinit(NFDCACHE, M_CACHE, &fdhash);
144 fdesc_lckgrp = lck_grp_alloc_init("fdesc", NULL);
145 lck_mtx_init(&fdesc_mtx, fdesc_lckgrp, NULL);
146
147 DEVFS_LOCK();
148 dev_add_entry("fd", rootdir, DEV_DEVFD, NULL, NULL, NULL, &direntp);
149 devfs_fdesc_makelinks();
150 DEVFS_UNLOCK();
151
152 return(error);
153}
154
155/*
156 * Called during early startup, no need to synchronize
157 */
158int
159devfs_fdesc_makelinks()
160{
161 int error = 0;
162 devdirent_t *stdin_ent = NULL, *stdout_ent = NULL, *stderr_ent = NULL;
163 devnode_t *root_devnode = dev_root->de_dnp;
164
165 /* We do this ugliness to get around some "const" warnings */
166 char in[] = "stdin";
167 char out[] = "stdout";
168 char err[] = "stderr";
169 char zero[] = "fd/0";
170 char one[] = "fd/1";
171 char two[] = "fd/2";
172
173 if ((error = devfs_make_symlink(root_devnode, in, 0555, zero, &stdin_ent))) {
174 printf("Couldn't make stdin, err %d.\n", error);
175 goto bad;
176 }
177
178 if ((error = devfs_make_symlink(root_devnode, out, 0555, one, &stdout_ent))) {
179 printf("Couldn't make stdout, err %d.\n", error);
180 goto bad;
181 }
182
183 if ((error = devfs_make_symlink(root_devnode, err, 0555, two, &stderr_ent))) {
184 printf("Couldn't make stderr, err %d.\n", error);
185 goto bad;
186 }
187
188 return 0;
189
190bad:
191 if (stdin_ent) {
192 dev_free_name(stdin_ent);
193 }
194 if (stdout_ent) {
195 dev_free_name(stdout_ent);
196 }
197 if (stderr_ent) {
198 dev_free_name(stderr_ent);
199 }
200
201 return error;
202}
203
204int
205fdesc_allocvp(fdntype ftype, int ix, struct mount *mp, struct vnode **vpp, enum vtype vtype, int fdno)
206{
207 struct fdhashhead *fc;
208 struct fdescnode *fd;
209 int error = 0;
210 int vid = 0;
211 struct vnode_fsparam vfsp;
212
213 fdesc_lock();
214
215 fc = FD_NHASH(ix);
216loop:
217 for (fd = fc->lh_first; fd != 0; fd = fd->fd_hash.le_next) {
218 if (fd->fd_ix == ix && vnode_mount(fd->fd_vnode) == mp) {
219 vid = vnode_vid(fd->fd_vnode);
220 fdesc_unlock();
221
222 if (vnode_getwithvid(fd->fd_vnode, vid)) {
223 fdesc_lock();
224 goto loop;
225 }
226
227 *vpp = fd->fd_vnode;
228 (*vpp)->v_type = vtype;
229
230 return (error);
231 }
232 }
233
234 /* Only one thread can add to the hash at a time */
235 if (fdcache_lock & FDL_LOCKED) {
236 fdcache_lock |= FDL_WANT;
237 msleep((caddr_t) &fdcache_lock, &fdesc_mtx, PINOD, "fdesc_allocvp", NULL);
238 goto loop;
239 }
240
241 fdcache_lock |= FDL_LOCKED;
242 fdesc_unlock();
243
244 MALLOC(fd, void *, sizeof(struct fdescnode), M_TEMP, M_WAITOK);
245
246 vfsp.vnfs_mp = mp;
247 vfsp.vnfs_vtype = vtype;
248 vfsp.vnfs_str = "fdesc";
249 vfsp.vnfs_dvp = NULL;
250 vfsp.vnfs_fsnode = fd;
251 vfsp.vnfs_cnp = NULL;
252 vfsp.vnfs_vops = fdesc_vnodeop_p;
253 vfsp.vnfs_rdev = 0;
254 vfsp.vnfs_filesize = 0;
255 vfsp.vnfs_flags = VNFS_NOCACHE | VNFS_CANTCACHE;
256 vfsp.vnfs_marksystem = 0;
257 vfsp.vnfs_markroot = 0;
258
259 error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &vfsp, vpp);
260 if (error) {
261 FREE(fd, M_TEMP);
262 fdesc_lock();
263 goto out;
264 }
265
266 (*vpp)->v_tag = VT_FDESC;
267 fd->fd_vnode = *vpp;
268 fd->fd_type = ftype;
269 fd->fd_fd = -1;
270 fd->fd_link = NULL;
271 fd->fd_ix = ix;
272 fd->fd_fd = fdno;
273
274 fdesc_lock();
275
276 LIST_INSERT_HEAD(fc, fd, fd_hash);
277out:
278 /* Hold the lock when we get here */
279 fdcache_lock &= ~FDL_LOCKED;
280
281 if (fdcache_lock & FDL_WANT) {
282 fdcache_lock &= ~FDL_WANT;
283 wakeup((caddr_t) &fdcache_lock);
284 }
285
286 fdesc_unlock();
287
288 return (error);
289}
290
291/*
292 * vp is the current namei directory
293 * ndp is the name to locate in that directory...
294 *
295 * This vnop should only be called on the special directory /dev/fd.
296 */
297int
298devfs_devfd_lookup(struct vnop_lookup_args *ap)
299{
300 struct vnode **vpp = ap->a_vpp;
301 struct vnode *dvp = ap->a_dvp;
302 struct componentname *cnp = ap->a_cnp;
303 char *pname = cnp->cn_nameptr;
304 struct proc *p = vfs_context_proc(ap->a_context);
305 int numfiles = p->p_fd->fd_nfiles;
306 int fd;
307 int error;
308 struct vnode *fvp;
309
310 if (cnp->cn_namelen == 1 && *pname == '.') {
311 *vpp = dvp;
312
313 if ( (error = vnode_get(dvp)) ) {
314 return(error);
315 }
316 return (0);
317 }
318
319 fd = 0;
320 while (*pname >= '0' && *pname <= '9') {
321 fd = 10 * fd + *pname++ - '0';
322 if (fd >= numfiles)
323 break;
324 }
325
326 if (*pname != '\0') {
327 error = ENOENT;
328 goto bad;
329 }
330
331 if (fd < 0 || fd >= numfiles ||
332 *fdfile(p, fd) == NULL ||
333 (*fdflags(p, fd) & UF_RESERVED)) {
334 error = EBADF;
335 goto bad;
336 }
337
338 error = fdesc_allocvp(Fdesc, FD_DESC+fd, dvp->v_mount, &fvp, VNON, fd);
339 if (error)
340 goto bad;
341 *vpp = fvp;
342 return (0);
343
344bad:
345 *vpp = NULL;
346 return (error);
347}
348
349int
350fdesc_open(struct vnop_open_args *ap)
351{
352 struct vnode *vp = ap->a_vp;
353 thread_t thr = vfs_context_thread(ap->a_context);
354 uthread_t uu;
355 int error = 0;
356
357 if (thr == NULL)
358 return (EINVAL);
359
360 uu = get_bsdthread_info(thr);
361
362 switch (VTOFDESC(vp)->fd_type) {
363 case Fdesc:
364 /*
365 * XXX Kludge: set uu->uu_dupfd to contain the value of the
366 * the file descriptor being sought for duplication. The error
367 * return ensures that the vnode for this device will be
368 * released by vn_open. Open will detect this special error and
369 * take the actions in dupfdopen. Other callers of vn_open or
370 * vnop_open will simply report the error.
371 */
372 uu->uu_dupfd = VTOFDESC(vp)->fd_fd; /* XXX */
373 error = ENODEV;
374 break;
375 default:
376 panic("Invalid type for fdesc node!");
377 break;
378 }
379
380 return (error);
381}
382
383static int
384fdesc_attr(int fd, struct vnode_attr *vap, vfs_context_t a_context)
385{
386 struct fileproc *fp;
387 struct proc *p = vfs_context_proc(a_context);
388 struct stat stb;
389 int error;
390
391 if ((error = fp_lookup(p, fd, &fp, 0)))
392 return (error);
393 switch (FILEGLOB_DTYPE(fp->f_fglob)) {
394 case DTYPE_VNODE:
395 if((error = vnode_getwithref((struct vnode *) fp->f_fglob->fg_data)) != 0) {
396 break;
397 }
398 if ((error = vnode_authorize((struct vnode *)fp->f_fglob->fg_data,
399 NULL,
400 KAUTH_VNODE_READ_ATTRIBUTES | KAUTH_VNODE_READ_SECURITY,
401 a_context)) == 0)
402 error = vnode_getattr((struct vnode *)fp->f_fglob->fg_data, vap, a_context);
403 if (error == 0 && vap->va_type == VDIR) {
404 /*
405 * directories can cause loops in the namespace,
406 * so turn off the 'x' bits to avoid trouble.
407 *
408 * XXX ACLs break this, of course
409 */
410 vap->va_mode &= ~((VEXEC)|(VEXEC>>3)|(VEXEC>>6));
411 }
412 (void)vnode_put((struct vnode *) fp->f_fglob->fg_data);
413 break;
414
415 case DTYPE_SOCKET:
416 case DTYPE_PIPE:
417#if SOCKETS
418 if (FILEGLOB_DTYPE(fp->f_fglob) == DTYPE_SOCKET)
419 error = soo_stat((struct socket *)fp->f_fglob->fg_data, (void *)&stb, 0);
420 else
421#endif /* SOCKETS */
422 error = pipe_stat((struct pipe *)fp->f_fglob->fg_data, (void *)&stb, 0);
423
424 if (error == 0) {
425 if (FILEGLOB_DTYPE(fp->f_fglob) == DTYPE_SOCKET)
426 VATTR_RETURN(vap, va_type, VSOCK);
427 else
428 VATTR_RETURN(vap, va_type, VFIFO);
429
430 VATTR_RETURN(vap, va_mode, stb.st_mode);
431 VATTR_RETURN(vap, va_nlink, stb.st_nlink);
432 VATTR_RETURN(vap, va_uid, stb.st_uid);
433 VATTR_RETURN(vap, va_gid, stb.st_gid);
434 VATTR_RETURN(vap, va_fsid, stb.st_dev);
435 VATTR_RETURN(vap, va_fileid, stb.st_ino);
436 VATTR_RETURN(vap, va_data_size, stb.st_size);
437 VATTR_RETURN(vap, va_access_time, stb.st_atimespec);
438 VATTR_RETURN(vap, va_modify_time, stb.st_mtimespec);
439 VATTR_RETURN(vap, va_change_time, stb.st_ctimespec);
440 VATTR_RETURN(vap, va_gen, stb.st_gen);
441 VATTR_RETURN(vap, va_flags, stb.st_flags);
442 VATTR_RETURN(vap, va_rdev, stb.st_rdev);
443 VATTR_RETURN(vap, va_total_alloc, stb.st_blocks * stb.st_blksize);
444 VATTR_RETURN(vap, va_acl, NULL);
445 }
446 break;
447
448 default:
449 error = EBADF;
450 }
451
452 fp_drop(p, fd, fp, 0);
453 return (error);
454}
455
456int
457fdesc_getattr(struct vnop_getattr_args *ap)
458{
459 struct vnode *vp = ap->a_vp;
460 struct vnode_attr *vap = ap->a_vap;
461 unsigned fd;
462 int error = 0;
463
464 switch (VTOFDESC(vp)->fd_type) {
465 case Fdesc:
466 fd = VTOFDESC(vp)->fd_fd;
467 error = fdesc_attr(fd, vap, ap->a_context);
468 break;
469
470 default:
471 panic("Invalid type for an fdesc node!\n");
472 break;
473 }
474
475 /*
476 * Yes, we do this without locking, but this value is always just
477 * a snapshot.
478 */
479 if (error == 0) {
480 vp->v_type = vap->va_type;
481
482 /* We need an inactive to reset type to VNON */
483 vnode_setneedinactive(vp);
484 }
485
486 return (error);
487}
488
489int
490fdesc_setattr(struct vnop_setattr_args *ap)
491{
492 struct fileproc *fp;
493 unsigned fd;
494 int error;
495 struct proc * p = vfs_context_proc(ap->a_context);
496
497 /*
498 * Can't mess with the root vnode
499 */
500 switch (VTOFDESC(ap->a_vp)->fd_type) {
501 case Fdesc:
502 break;
503 default:
504 panic("Invalid type for an fdesc node!\n");
505 return (EACCES);
506 }
507
508 fd = VTOFDESC(ap->a_vp)->fd_fd;
509 if ((error = fp_lookup(vfs_context_proc(ap->a_context), fd, &fp, 0)))
510 return (error);
511
512 /*
513 * Can setattr the underlying vnode, but not sockets!
514 */
515 switch (FILEGLOB_DTYPE(fp->f_fglob)) {
516 case DTYPE_VNODE:
517 {
518 if ((error = vnode_getwithref((struct vnode *) fp->f_fglob->fg_data)) != 0)
519 break;
520 error = vnode_setattr((struct vnode *) fp->f_fglob->fg_data, ap->a_vap, ap->a_context);
521 (void)vnode_put((struct vnode *) fp->f_fglob->fg_data);
522 break;
523 }
524
525 case DTYPE_SOCKET:
526 case DTYPE_PIPE:
527 error = 0;
528 break;
529
530 default:
531 error = EBADF;
532 break;
533 }
534
535 fp_drop(p, fd, fp, 0);
536 return (error);
537}
538
539#define UIO_MX 16
540
541/*
542static struct dirtmp {
543 u_int32_t d_fileno;
544 u_short d_reclen;
545 u_short d_namlen;
546 char d_name[8];
547} rootent[] = {
548 { FD_DEVFD, UIO_MX, 2, "fd" },
549 { FD_STDIN, UIO_MX, 5, "stdin" },
550 { FD_STDOUT, UIO_MX, 6, "stdout" },
551 { FD_STDERR, UIO_MX, 6, "stderr" },
552 { 0, 0, 0, "" }
553};
554*/
555
556/* Only called on /dev/fd */
557int
558devfs_devfd_readdir(struct vnop_readdir_args *ap)
559{
560 struct uio *uio = ap->a_uio;
561 struct proc *p = current_proc();
562 int i, error;
563
564 /*
565 * We don't allow exporting fdesc mounts, and currently local
566 * requests do not need cookies.
567 */
568 if (ap->a_flags & (VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF))
569 return (EINVAL);
570
571 /*
572 * There needs to be space for at least one entry.
573 */
574 if (uio_resid(uio) < UIO_MX)
575 return (EINVAL);
576
577 i = uio->uio_offset / UIO_MX;
578 error = 0;
579 while (uio_resid(uio) >= UIO_MX) {
580 if (i >= p->p_fd->fd_nfiles)
581 break;
582
583 if (*fdfile(p, i) != NULL && !(*fdflags(p, i) & UF_RESERVED)) {
584 struct dirent d;
585 struct dirent *dp = &d;
586
587 bzero((caddr_t) dp, UIO_MX);
588
589 dp->d_namlen = snprintf(dp->d_name, sizeof(dp->d_name),
590 "%d", i);
591 dp->d_reclen = UIO_MX;
592 dp->d_type = DT_UNKNOWN;
593 dp->d_fileno = i + FD_STDIN;
594 /*
595 * And ship to userland
596 */
597 error = uiomove((caddr_t) dp, UIO_MX, uio);
598 if (error)
599 break;
600 }
601 i++;
602 }
603
604 uio->uio_offset = i * UIO_MX;
605 return (error);
606}
607
608int
609fdesc_read(__unused struct vnop_read_args *ap)
610{
611 return (ENOTSUP);
612}
613
614int
615fdesc_write(__unused struct vnop_write_args *ap)
616{
617 return (ENOTSUP);
618}
619
620int
621fdesc_ioctl(__unused struct vnop_ioctl_args *ap)
622{
623 return (ENOTSUP);
624}
625
626int
627fdesc_select(__unused struct vnop_select_args *ap)
628{
629 return (ENOTSUP);
630}
631
632int
633fdesc_inactive(struct vnop_inactive_args *ap)
634{
635 struct vnode *vp = ap->a_vp;
636
637 /*
638 * Clear out the v_type field to avoid
639 * nasty things happening in vgone().
640 */
641 vp->v_type = VNON;
642
643 return (0);
644}
645
646int
647fdesc_reclaim(struct vnop_reclaim_args *ap)
648{
649 struct vnode *vp = ap->a_vp;
650 struct fdescnode *fd = VTOFDESC(vp);
651
652 fdesc_lock();
653
654 LIST_REMOVE(fd, fd_hash);
655 FREE(vp->v_data, M_TEMP);
656 vp->v_data = NULL;
657
658 fdesc_unlock();
659
660 return (0);
661}
662
663/*
664 * Return POSIX pathconf information applicable to special devices.
665 */
666int
667fdesc_pathconf(struct vnop_pathconf_args *ap)
668{
669
670 switch (ap->a_name) {
671 case _PC_LINK_MAX:
672 *ap->a_retval = LINK_MAX;
673 return (0);
674 case _PC_MAX_CANON:
675 *ap->a_retval = MAX_CANON;
676 return (0);
677 case _PC_MAX_INPUT:
678 *ap->a_retval = MAX_INPUT;
679 return (0);
680 case _PC_PIPE_BUF:
681 *ap->a_retval = PIPE_BUF;
682 return (0);
683 case _PC_CHOWN_RESTRICTED:
684 *ap->a_retval = 200112; /* _POSIX_CHOWN_RESTRICTED */
685 return (0);
686 case _PC_VDISABLE:
687 *ap->a_retval = _POSIX_VDISABLE;
688 return (0);
689 default:
690 return (EINVAL);
691 }
692 /* NOTREACHED */
693}
694
695/*
696 * /dev/fd "should never get here" operation
697 */
698int
699fdesc_badop(void)
700{
701
702 return (ENOTSUP);
703 /* NOTREACHED */
704}
705
706#define VOPFUNC int (*)(void *)
707
708#define fdesc_create (int (*) (struct vnop_create_args *))eopnotsupp
709#define fdesc_mknod (int (*) (struct vnop_mknod_args *))eopnotsupp
710#define fdesc_close (int (*) (struct vnop_close_args *))nullop
711#define fdesc_access (int (*) (struct vnop_access_args *))nullop
712#define fdesc_mmap (int (*) (struct vnop_mmap_args *))eopnotsupp
713#define fdesc_revoke nop_revoke
714#define fdesc_fsync (int (*) (struct vnop_fsync_args *))nullop
715#define fdesc_remove (int (*) (struct vnop_remove_args *))eopnotsupp
716#define fdesc_link (int (*) (struct vnop_link_args *))eopnotsupp
717#define fdesc_rename (int (*) (struct vnop_rename_args *))eopnotsupp
718#define fdesc_mkdir (int (*) (struct vnop_mkdir_args *))eopnotsupp
719#define fdesc_rmdir (int (*) (struct vnop_rmdir_args *))eopnotsupp
720#define fdesc_symlink (int (*) (struct vnop_symlink_args *))eopnotsupp
721#define fdesc_strategy (int (*) (struct vnop_strategy_args *))fdesc_badop
722#define fdesc_advlock (int (*) (struct vnop_advlock_args *))eopnotsupp
723#define fdesc_bwrite (int (*) (struct vnop_bwrite_args *))eopnotsupp
724#define fdesc_blktooff (int (*) (struct vnop_blktooff_args *))eopnotsupp
725#define fdesc_offtoblk (int (*) (struct vnop_offtoblk_args *))eopnotsupp
726#define fdesc_blockmap (int (*) (struct vnop_blockmap_args *))eopnotsupp
727
728int (**fdesc_vnodeop_p)(void *);
729struct vnodeopv_entry_desc devfs_fdesc_vnodeop_entries[] = {
730 { &vnop_default_desc, (VOPFUNC)vn_default_error },
731 { &vnop_lookup_desc, (VOPFUNC)vn_default_error}, /* lookup */
732 { &vnop_create_desc, (VOPFUNC)fdesc_create }, /* create */
733 { &vnop_mknod_desc, (VOPFUNC)fdesc_mknod }, /* mknod */
734 { &vnop_open_desc, (VOPFUNC)fdesc_open }, /* open */
735 { &vnop_close_desc, (VOPFUNC)fdesc_close }, /* close */
736 { &vnop_access_desc, (VOPFUNC)fdesc_access }, /* access */
737 { &vnop_getattr_desc, (VOPFUNC)fdesc_getattr }, /* getattr */
738 { &vnop_setattr_desc, (VOPFUNC)fdesc_setattr }, /* setattr */
739 { &vnop_read_desc, (VOPFUNC)fdesc_read }, /* read */
740 { &vnop_write_desc, (VOPFUNC)fdesc_write }, /* write */
741 { &vnop_ioctl_desc, (VOPFUNC)fdesc_ioctl }, /* ioctl */
742 { &vnop_select_desc, (VOPFUNC)fdesc_select }, /* select */
743 { &vnop_revoke_desc, (VOPFUNC)fdesc_revoke }, /* revoke */
744 { &vnop_mmap_desc, (VOPFUNC)fdesc_mmap }, /* mmap */
745 { &vnop_fsync_desc, (VOPFUNC)fdesc_fsync }, /* fsync */
746 { &vnop_remove_desc, (VOPFUNC)fdesc_remove }, /* remove */
747 { &vnop_link_desc, (VOPFUNC)fdesc_link }, /* link */
748 { &vnop_rename_desc, (VOPFUNC)fdesc_rename }, /* rename */
749 { &vnop_mkdir_desc, (VOPFUNC)fdesc_mkdir }, /* mkdir */
750 { &vnop_rmdir_desc, (VOPFUNC)fdesc_rmdir }, /* rmdir */
751 { &vnop_symlink_desc, (VOPFUNC)fdesc_symlink }, /* symlink */
752 { &vnop_readdir_desc, (VOPFUNC)vn_default_error},/* readdir */
753 { &vnop_readlink_desc, (VOPFUNC)err_readlink}, /* readlink */
754 { &vnop_inactive_desc, (VOPFUNC)fdesc_inactive },/* inactive */
755 { &vnop_reclaim_desc, (VOPFUNC)fdesc_reclaim }, /* reclaim */
756 { &vnop_strategy_desc, (VOPFUNC)fdesc_strategy }, /* strategy */
757 { &vnop_pathconf_desc, (VOPFUNC)fdesc_pathconf }, /* pathconf */
758 { &vnop_advlock_desc, (VOPFUNC)fdesc_advlock }, /* advlock */
759 { &vnop_bwrite_desc, (VOPFUNC)fdesc_bwrite }, /* bwrite */
760 { &vnop_pagein_desc, (VOPFUNC)err_pagein }, /* pagein */
761 { &vnop_pageout_desc, (VOPFUNC)err_pageout }, /* pageout */
762 { &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copyfile */
763 { &vnop_blktooff_desc, (VOPFUNC)fdesc_blktooff }, /* blktooff */
764 { &vnop_blktooff_desc, (VOPFUNC)fdesc_offtoblk }, /* offtoblk */
765 { &vnop_blockmap_desc, (VOPFUNC)fdesc_blockmap }, /* blockmap */
766 { (struct vnodeop_desc*)NULL, (VOPFUNC)NULL }
767};
768
769struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc =
770 { &fdesc_vnodeop_p, devfs_fdesc_vnodeop_entries };
771
772