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 i = uio->uio_offset / UIO_MX; 572 error = 0; 573 while (uio_resid(uio) > 0) { 574 if (i >= p->p_fd->fd_nfiles) 575 break; 576 577 if (*fdfile(p, i) != NULL && !(*fdflags(p, i) & UF_RESERVED)) { 578 struct dirent d; 579 struct dirent *dp = &d; 580 581 bzero((caddr_t) dp, UIO_MX); 582 583 dp->d_namlen = snprintf(dp->d_name, sizeof(dp->d_name), 584 "%d", i); 585 dp->d_reclen = UIO_MX; 586 dp->d_type = DT_UNKNOWN; 587 dp->d_fileno = i + FD_STDIN; 588 /* 589 * And ship to userland 590 */ 591 error = uiomove((caddr_t) dp, UIO_MX, uio); 592 if (error) 593 break; 594 } 595 i++; 596 } 597 598 uio->uio_offset = i * UIO_MX; 599 return (error); 600} 601 602int 603fdesc_read(__unused struct vnop_read_args *ap) 604{ 605 return (ENOTSUP); 606} 607 608int 609fdesc_write(__unused struct vnop_write_args *ap) 610{ 611 return (ENOTSUP); 612} 613 614int 615fdesc_ioctl(__unused struct vnop_ioctl_args *ap) 616{ 617 return (ENOTSUP); 618} 619 620int 621fdesc_select(__unused struct vnop_select_args *ap) 622{ 623 return (ENOTSUP); 624} 625 626int 627fdesc_inactive(struct vnop_inactive_args *ap) 628{ 629 struct vnode *vp = ap->a_vp; 630 631 /* 632 * Clear out the v_type field to avoid 633 * nasty things happening in vgone(). 634 */ 635 vp->v_type = VNON; 636 637 return (0); 638} 639 640int 641fdesc_reclaim(struct vnop_reclaim_args *ap) 642{ 643 struct vnode *vp = ap->a_vp; 644 struct fdescnode *fd = VTOFDESC(vp); 645 646 fdesc_lock(); 647 648 LIST_REMOVE(fd, fd_hash); 649 FREE(vp->v_data, M_TEMP); 650 vp->v_data = NULL; 651 652 fdesc_unlock(); 653 654 return (0); 655} 656 657/* 658 * Return POSIX pathconf information applicable to special devices. 659 */ 660int 661fdesc_pathconf(struct vnop_pathconf_args *ap) 662{ 663 664 switch (ap->a_name) { 665 case _PC_LINK_MAX: 666 *ap->a_retval = LINK_MAX; 667 return (0); 668 case _PC_MAX_CANON: 669 *ap->a_retval = MAX_CANON; 670 return (0); 671 case _PC_MAX_INPUT: 672 *ap->a_retval = MAX_INPUT; 673 return (0); 674 case _PC_PIPE_BUF: 675 *ap->a_retval = PIPE_BUF; 676 return (0); 677 case _PC_CHOWN_RESTRICTED: 678 *ap->a_retval = 200112; /* _POSIX_CHOWN_RESTRICTED */ 679 return (0); 680 case _PC_VDISABLE: 681 *ap->a_retval = _POSIX_VDISABLE; 682 return (0); 683 default: 684 return (EINVAL); 685 } 686 /* NOTREACHED */ 687} 688 689/* 690 * /dev/fd "should never get here" operation 691 */ 692int 693fdesc_badop(void) 694{ 695 696 return (ENOTSUP); 697 /* NOTREACHED */ 698} 699 700#define VOPFUNC int (*)(void *) 701 702#define fdesc_create (int (*) (struct vnop_create_args *))eopnotsupp 703#define fdesc_mknod (int (*) (struct vnop_mknod_args *))eopnotsupp 704#define fdesc_close (int (*) (struct vnop_close_args *))nullop 705#define fdesc_access (int (*) (struct vnop_access_args *))nullop 706#define fdesc_mmap (int (*) (struct vnop_mmap_args *))eopnotsupp 707#define fdesc_revoke nop_revoke 708#define fdesc_fsync (int (*) (struct vnop_fsync_args *))nullop 709#define fdesc_remove (int (*) (struct vnop_remove_args *))eopnotsupp 710#define fdesc_link (int (*) (struct vnop_link_args *))eopnotsupp 711#define fdesc_rename (int (*) (struct vnop_rename_args *))eopnotsupp 712#define fdesc_mkdir (int (*) (struct vnop_mkdir_args *))eopnotsupp 713#define fdesc_rmdir (int (*) (struct vnop_rmdir_args *))eopnotsupp 714#define fdesc_symlink (int (*) (struct vnop_symlink_args *))eopnotsupp 715#define fdesc_strategy (int (*) (struct vnop_strategy_args *))fdesc_badop 716#define fdesc_advlock (int (*) (struct vnop_advlock_args *))eopnotsupp 717#define fdesc_bwrite (int (*) (struct vnop_bwrite_args *))eopnotsupp 718#define fdesc_blktooff (int (*) (struct vnop_blktooff_args *))eopnotsupp 719#define fdesc_offtoblk (int (*) (struct vnop_offtoblk_args *))eopnotsupp 720#define fdesc_blockmap (int (*) (struct vnop_blockmap_args *))eopnotsupp 721 722int (**fdesc_vnodeop_p)(void *); 723struct vnodeopv_entry_desc devfs_fdesc_vnodeop_entries[] = { 724 { &vnop_default_desc, (VOPFUNC)vn_default_error }, 725 { &vnop_lookup_desc, (VOPFUNC)vn_default_error}, /* lookup */ 726 { &vnop_create_desc, (VOPFUNC)fdesc_create }, /* create */ 727 { &vnop_mknod_desc, (VOPFUNC)fdesc_mknod }, /* mknod */ 728 { &vnop_open_desc, (VOPFUNC)fdesc_open }, /* open */ 729 { &vnop_close_desc, (VOPFUNC)fdesc_close }, /* close */ 730 { &vnop_access_desc, (VOPFUNC)fdesc_access }, /* access */ 731 { &vnop_getattr_desc, (VOPFUNC)fdesc_getattr }, /* getattr */ 732 { &vnop_setattr_desc, (VOPFUNC)fdesc_setattr }, /* setattr */ 733 { &vnop_read_desc, (VOPFUNC)fdesc_read }, /* read */ 734 { &vnop_write_desc, (VOPFUNC)fdesc_write }, /* write */ 735 { &vnop_ioctl_desc, (VOPFUNC)fdesc_ioctl }, /* ioctl */ 736 { &vnop_select_desc, (VOPFUNC)fdesc_select }, /* select */ 737 { &vnop_revoke_desc, (VOPFUNC)fdesc_revoke }, /* revoke */ 738 { &vnop_mmap_desc, (VOPFUNC)fdesc_mmap }, /* mmap */ 739 { &vnop_fsync_desc, (VOPFUNC)fdesc_fsync }, /* fsync */ 740 { &vnop_remove_desc, (VOPFUNC)fdesc_remove }, /* remove */ 741 { &vnop_link_desc, (VOPFUNC)fdesc_link }, /* link */ 742 { &vnop_rename_desc, (VOPFUNC)fdesc_rename }, /* rename */ 743 { &vnop_mkdir_desc, (VOPFUNC)fdesc_mkdir }, /* mkdir */ 744 { &vnop_rmdir_desc, (VOPFUNC)fdesc_rmdir }, /* rmdir */ 745 { &vnop_symlink_desc, (VOPFUNC)fdesc_symlink }, /* symlink */ 746 { &vnop_readdir_desc, (VOPFUNC)vn_default_error},/* readdir */ 747 { &vnop_readlink_desc, (VOPFUNC)err_readlink}, /* readlink */ 748 { &vnop_inactive_desc, (VOPFUNC)fdesc_inactive },/* inactive */ 749 { &vnop_reclaim_desc, (VOPFUNC)fdesc_reclaim }, /* reclaim */ 750 { &vnop_strategy_desc, (VOPFUNC)fdesc_strategy }, /* strategy */ 751 { &vnop_pathconf_desc, (VOPFUNC)fdesc_pathconf }, /* pathconf */ 752 { &vnop_advlock_desc, (VOPFUNC)fdesc_advlock }, /* advlock */ 753 { &vnop_bwrite_desc, (VOPFUNC)fdesc_bwrite }, /* bwrite */ 754 { &vnop_pagein_desc, (VOPFUNC)err_pagein }, /* pagein */ 755 { &vnop_pageout_desc, (VOPFUNC)err_pageout }, /* pageout */ 756 { &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copyfile */ 757 { &vnop_blktooff_desc, (VOPFUNC)fdesc_blktooff }, /* blktooff */ 758 { &vnop_blktooff_desc, (VOPFUNC)fdesc_offtoblk }, /* offtoblk */ 759 { &vnop_blockmap_desc, (VOPFUNC)fdesc_blockmap }, /* blockmap */ 760 { (struct vnodeop_desc*)NULL, (VOPFUNC)NULL } 761}; 762 763struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc = 764 { &fdesc_vnodeop_p, devfs_fdesc_vnodeop_entries }; 765 766