40 */
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/namei.h>
45#include <sys/resourcevar.h>
46#include <sys/kernel.h>
47#include <sys/file.h>
48#include <sys/stat.h>
49#include <sys/buf.h>
50#include <sys/proc.h>
51#include <sys/conf.h>
52#include <sys/mount.h>
53#include <sys/vnode.h>
54#include <miscfs/specfs/specdev.h>
55#include <miscfs/fifofs/fifo.h>
56#include <sys/malloc.h>
57#include <sys/dir.h>
58
59#include <isofs/cd9660/iso.h>
60#include <isofs/cd9660/cd9660_node.h>
61#include <isofs/cd9660/iso_rrip.h>
62
63#if 0
64/*
65 * Mknod vnode call
66 * Actually remap the device number
67 */
68cd9660_mknod(ndp, vap, cred, p)
69 struct nameidata *ndp;
70 struct ucred *cred;
71 struct vattr *vap;
72 struct proc *p;
73{
74#ifndef ISODEVMAP
75 free(ndp->ni_pnbuf, M_NAMEI);
76 vput(ndp->ni_dvp);
77 vput(ndp->ni_vp);
78 return EINVAL;
79#else
80 register struct vnode *vp;
81 struct iso_node *ip;
82 struct iso_dnode *dp;
83 int error;
84
85 vp = ndp->ni_vp;
86 ip = VTOI(vp);
87
88 if (ip->i_mnt->iso_ftype != ISO_FTYPE_RRIP
89 || vap->va_type != vp->v_type
90 || (vap->va_type != VCHR && vap->va_type != VBLK)) {
91 free(ndp->ni_pnbuf, M_NAMEI);
92 vput(ndp->ni_dvp);
93 vput(ndp->ni_vp);
94 return EINVAL;
95 }
96
97 dp = iso_dmap(ip->i_dev,ip->i_number,1);
98 if (ip->inode.iso_rdev == vap->va_rdev || vap->va_rdev == VNOVAL) {
99 /* same as the unmapped one, delete the mapping */
100 remque(dp);
101 FREE(dp,M_CACHE);
102 } else
103 /* enter new mapping */
104 dp->d_dev = vap->va_rdev;
105
106 /*
107 * Remove inode so that it will be reloaded by iget and
108 * checked to see if it is an alias of an existing entry
109 * in the inode cache.
110 */
111 vput(vp);
112 vp->v_type = VNON;
113 vgone(vp);
114 return (0);
115#endif
116}
117#endif
118
119/*
120 * Open called.
121 *
122 * Nothing to do.
123 */
124/* ARGSUSED */
125int
126cd9660_open(ap)
127 struct vop_open_args /* {
128 struct vnode *a_vp;
129 int a_mode;
130 struct ucred *a_cred;
131 struct proc *a_p;
132 } */ *ap;
133{
134 return (0);
135}
136
137/*
138 * Close called
139 *
140 * Update the times on the inode on writeable file systems.
141 */
142/* ARGSUSED */
143int
144cd9660_close(ap)
145 struct vop_close_args /* {
146 struct vnode *a_vp;
147 int a_fflag;
148 struct ucred *a_cred;
149 struct proc *a_p;
150 } */ *ap;
151{
152 return (0);
153}
154
155/*
156 * Check mode permission on inode pointer. Mode is READ, WRITE or EXEC.
157 * The mode is shifted to select the owner/group/other fields. The
158 * super user is granted all permissions.
159 */
160/* ARGSUSED */
161int
162cd9660_access(ap)
163 struct vop_access_args /* {
164 struct vnode *a_vp;
165 int a_mode;
166 struct ucred *a_cred;
167 struct proc *a_p;
168 } */ *ap;
169{
170 return (0);
171}
172
173int
174cd9660_getattr(ap)
175 struct vop_getattr_args /* {
176 struct vnode *a_vp;
177 struct vattr *a_vap;
178 struct ucred *a_cred;
179 struct proc *a_p;
180 } */ *ap;
181
182{
183 struct vnode *vp = ap->a_vp;
184 register struct vattr *vap = ap->a_vap;
185 register struct iso_node *ip = VTOI(vp);
186
187 vap->va_fsid = ip->i_dev;
188 vap->va_fileid = ip->i_number;
189
190 vap->va_mode = ip->inode.iso_mode;
191 vap->va_nlink = ip->inode.iso_links;
192 vap->va_uid = ip->inode.iso_uid;
193 vap->va_gid = ip->inode.iso_gid;
194 vap->va_atime = ip->inode.iso_atime;
195 vap->va_mtime = ip->inode.iso_mtime;
196 vap->va_ctime = ip->inode.iso_ctime;
197 vap->va_rdev = ip->inode.iso_rdev;
198
199 vap->va_size = (u_quad_t) ip->i_size;
200 vap->va_flags = 0;
201 vap->va_gen = 1;
202 vap->va_blocksize = ip->i_mnt->logical_block_size;
203 vap->va_bytes = (u_quad_t) ip->i_size;
204 vap->va_type = vp->v_type;
205 vap->va_filerev = 0;
206 return (0);
207}
208
209#if ISO_DEFAULT_BLOCK_SIZE >= NBPG
210#ifdef DEBUG
211extern int doclusterread;
212#else
213#define doclusterread 1
214#endif
215#else
216/* XXX until cluster routines can handle block sizes less than one page */
217#define doclusterread 0
218#endif
219
220/*
221 * Vnode op for reading.
222 */
223int
224cd9660_read(ap)
225 struct vop_read_args /* {
226 struct vnode *a_vp;
227 struct uio *a_uio;
228 int a_ioflag;
229 struct ucred *a_cred;
230 } */ *ap;
231{
232 struct vnode *vp = ap->a_vp;
233 register struct uio *uio = ap->a_uio;
234 register struct iso_node *ip = VTOI(vp);
235 register struct iso_mnt *imp;
236 struct buf *bp;
237 daddr_t lbn, rablock;
238 off_t diff;
239 int rasize, error = 0;
240 long size, n, on;
241
242 if (uio->uio_resid == 0)
243 return (0);
244 if (uio->uio_offset < 0)
245 return (EINVAL);
246 ip->i_flag |= IACC;
247 imp = ip->i_mnt;
248 do {
249 lbn = iso_lblkno(imp, uio->uio_offset);
250 on = iso_blkoff(imp, uio->uio_offset);
251 n = min((unsigned)(imp->logical_block_size - on),
252 uio->uio_resid);
253 diff = (off_t)ip->i_size - uio->uio_offset;
254 if (diff <= 0)
255 return (0);
256 if (diff < n)
257 n = diff;
258 size = iso_blksize(imp, ip, lbn);
259 rablock = lbn + 1;
260 if (doclusterread) {
261 if (iso_lblktosize(imp, rablock) <= ip->i_size)
262 error = cluster_read(vp, (off_t)ip->i_size,
263 lbn, size, NOCRED, &bp);
264 else
265 error = bread(vp, lbn, size, NOCRED, &bp);
266 } else {
267 if (vp->v_lastr + 1 == lbn &&
268 iso_lblktosize(imp, rablock) < ip->i_size) {
269 rasize = iso_blksize(imp, ip, rablock);
270 error = breadn(vp, lbn, size, &rablock,
271 &rasize, 1, NOCRED, &bp);
272 } else
273 error = bread(vp, lbn, size, NOCRED, &bp);
274 }
275 vp->v_lastr = lbn;
276 n = min(n, size - bp->b_resid);
277 if (error) {
278 brelse(bp);
279 return (error);
280 }
281
282 error = uiomove(bp->b_un.b_addr + on, (int)n, uio);
283 brelse(bp);
284 } while (error == 0 && uio->uio_resid > 0 && n != 0);
285 return (error);
286}
287
288/* ARGSUSED */
289int
290cd9660_ioctl(ap)
291 struct vop_ioctl_args /* {
292 struct vnode *a_vp;
293 int a_command;
294 caddr_t a_data;
295 int a_fflag;
296 struct ucred *a_cred;
297 struct proc *a_p;
298 } */ *ap;
299{
300 printf("You did ioctl for isofs !!\n");
301 return (ENOTTY);
302}
303
304/* ARGSUSED */
305int
306cd9660_select(ap)
307 struct vop_select_args /* {
308 struct vnode *a_vp;
309 int a_which;
310 int a_fflags;
311 struct ucred *a_cred;
312 struct proc *a_p;
313 } */ *ap;
314{
315
316 /*
317 * We should really check to see if I/O is possible.
318 */
319 return (1);
320}
321
322/*
323 * Mmap a file
324 *
325 * NB Currently unsupported.
326 */
327/* ARGSUSED */
328int
329cd9660_mmap(ap)
330 struct vop_mmap_args /* {
331 struct vnode *a_vp;
332 int a_fflags;
333 struct ucred *a_cred;
334 struct proc *a_p;
335 } */ *ap;
336{
337
338 return (EINVAL);
339}
340
341/*
342 * Seek on a file
343 *
344 * Nothing to do, so just return.
345 */
346/* ARGSUSED */
347int
348cd9660_seek(ap)
349 struct vop_seek_args /* {
350 struct vnode *a_vp;
351 off_t a_oldoff;
352 off_t a_newoff;
353 struct ucred *a_cred;
354 } */ *ap;
355{
356
357 return (0);
358}
359
360/*
361 * Structure for reading directories
362 */
363struct isoreaddir {
364 struct dirent saveent;
365 struct dirent assocent;
366 struct dirent current;
367 off_t saveoff;
368 off_t assocoff;
369 off_t curroff;
370 struct uio *uio;
371 off_t uio_off;
372 u_int *cookiep;
373 int ncookies;
374 int eof;
375};
376
377static int
378iso_uiodir(idp,dp,off)
379 struct isoreaddir *idp;
380 struct dirent *dp;
381 off_t off;
382{
383 int error;
384
385 dp->d_name[dp->d_namlen] = 0;
386 dp->d_reclen = DIRSIZ(dp);
387
388 if (idp->uio->uio_resid < dp->d_reclen) {
389 idp->eof = 0;
390 return -1;
391 }
392
393 if (idp->cookiep) {
394 if (idp->ncookies <= 0) {
395 idp->eof = 0;
396 return -1;
397 }
398
399 *idp->cookiep++ = off;
400 --idp->ncookies;
401 }
402
403 if ((error = uiomove((caddr_t)dp,dp->d_reclen,idp->uio)))
404 return error;
405 idp->uio_off = off;
406 return 0;
407}
408
409static int
410iso_shipdir(idp)
411 struct isoreaddir *idp;
412{
413 struct dirent *dp;
414 int cl, sl, assoc;
415 int error;
416 char *cname, *sname;
417
418 cl = idp->current.d_namlen;
419 cname = idp->current.d_name;
420assoc = (cl > 1) && (*cname == ASSOCCHAR);
421 if (assoc) {
422 cl--;
423 cname++;
424 }
425
426 dp = &idp->saveent;
427 sname = dp->d_name;
428 if (!(sl = dp->d_namlen)) {
429 dp = &idp->assocent;
430 sname = dp->d_name + 1;
431 sl = dp->d_namlen - 1;
432 }
433 if (sl > 0) {
434 if (sl != cl
435 || bcmp(sname,cname,sl)) {
436 if (idp->assocent.d_namlen) {
437 if ((error = iso_uiodir(idp,&idp->assocent,idp->assocoff)))
438 return error;
439 idp->assocent.d_namlen = 0;
440 }
441 if (idp->saveent.d_namlen) {
442 if ((error = iso_uiodir(idp,&idp->saveent,idp->saveoff)))
443 return error;
444 idp->saveent.d_namlen = 0;
445 }
446 }
447 }
448 idp->current.d_reclen = DIRSIZ(&idp->current);
449 if (assoc) {
450 idp->assocoff = idp->curroff;
451 bcopy(&idp->current,&idp->assocent,idp->current.d_reclen);
452 } else {
453 idp->saveoff = idp->curroff;
454 bcopy(&idp->current,&idp->saveent,idp->current.d_reclen);
455 }
456 return 0;
457}
458
459/*
460 * Vnode op for readdir
461 * XXX make sure everything still works now that eofflagp and cookiep
462 * are no longer args.
463 */
464int
465cd9660_readdir(ap)
466 struct vop_readdir_args /* {
467 struct vnode *a_vp;
468 struct uio *a_uio;
469 struct ucred *a_cred;
470 } */ *ap;
471{
472 register struct uio *uio = ap->a_uio;
473 struct isoreaddir *idp;
474 int entryoffsetinblock;
475 int error = 0;
476 int endsearch;
477 struct iso_directory_record *ep;
478 u_short elen;
479 int reclen;
480 int isoflags;
481 struct iso_mnt *imp;
482 struct iso_node *ip;
483 struct buf *bp = NULL;
484 u_short tmplen;
485 int ncookies = 0;
486 u_int *cookies = NULL;
487
488 ip = VTOI(ap->a_vp);
489 imp = ip->i_mnt;
490
491 MALLOC(idp,struct isoreaddir *,sizeof(*idp),M_TEMP,M_WAITOK);
492 idp->saveent.d_namlen = 0;
493 idp->assocent.d_namlen = 0;
494 idp->uio = uio;
495 if (ap->a_ncookies != NULL) {
496 /*
497 * Guess the number of cookies needed.
498 */
499 ncookies = uio->uio_resid / 16;
500 MALLOC(cookies, u_int *, ncookies * sizeof(u_int), M_TEMP, M_WAITOK);
501 idp->cookiep = cookies;
502 idp->ncookies = ncookies;
503 } else
504 idp->cookiep = 0;
505 idp->eof = 0;
506 idp->curroff = uio->uio_offset;
507
508 entryoffsetinblock = iso_blkoff(imp, idp->curroff);
509 if (entryoffsetinblock != 0) {
510 if ((error = iso_blkatoff(ip, idp->curroff, &bp))) {
511 FREE(idp,M_TEMP);
512 return (error);
513 }
514 }
515
516 endsearch = ip->i_size;
517
518 while (idp->curroff < endsearch) {
519 /*
520 * If offset is on a block boundary,
521 * read the next directory block.
522 * Release previous if it exists.
523 */
524
525 if (iso_blkoff(imp, idp->curroff) == 0) {
526 if (bp != NULL)
527 brelse(bp);
528 if ((error = iso_blkatoff(ip, idp->curroff, &bp)))
529 break;
530 entryoffsetinblock = 0;
531 }
532 /*
533 * Get pointer to next entry.
534 */
535
536 ep = (struct iso_directory_record *)
537 (bp->b_un.b_addr + entryoffsetinblock);
538
539 reclen = isonum_711 (ep->length);
540 isoflags = isonum_711(imp->iso_ftype == ISO_FTYPE_HIGH_SIERRA?
541 &ep->date[6]: ep->flags);
542 if (reclen == 0) {
543 /* skip to next block, if any */
544 idp->curroff = roundup (idp->curroff,
545 imp->logical_block_size);
546 continue;
547 }
548
549 if (reclen < ISO_DIRECTORY_RECORD_SIZE) {
550 error = EINVAL;
551 /* illegal entry, stop */
552 break;
553 }
554
555 if (entryoffsetinblock + reclen > imp->logical_block_size) {
556 error = EINVAL;
557 /* illegal directory, so stop looking */
558 break;
559 }
560
561 /* XXX: be more intelligent if we can */
562 idp->current.d_type = DT_UNKNOWN;
563
564 idp->current.d_namlen = isonum_711 (ep->name_len);
565 if (isoflags & 2)
566 isodirino(&idp->current.d_fileno,ep,imp);
567 else
568 idp->current.d_fileno = dbtob(bp->b_blkno) +
569 idp->curroff;
570
571 if (reclen < ISO_DIRECTORY_RECORD_SIZE + idp->current.d_namlen) {
572 error = EINVAL;
573 /* illegal entry, stop */
574 break;
575 }
576
577 idp->curroff += reclen;
578 /*
579 *
580 */
581 switch (imp->iso_ftype) {
582 case ISO_FTYPE_RRIP:
583 cd9660_rrip_getname(ep,idp->current.d_name,
584 &tmplen,
585 &idp->current.d_fileno,imp);
586 idp->current.d_namlen = tmplen;
587 if (idp->current.d_namlen)
588 error = iso_uiodir(idp,&idp->current,idp->curroff);
589 break;
590 default: /* ISO_FTYPE_DEFAULT || ISO_FTYPE_9660 || ISO_FTYPE_HIGH_SIERRA*/
591 strcpy(idp->current.d_name,"..");
592 switch (ep->name[0]) {
593 case 0:
594 idp->current.d_namlen = 1;
595 error = iso_uiodir(idp,&idp->current,idp->curroff);
596 break;
597 case 1:
598 idp->current.d_namlen = 2;
599 error = iso_uiodir(idp,&idp->current,idp->curroff);
600 break;
601 default:
602 isofntrans(ep->name,idp->current.d_namlen,
603 idp->current.d_name, &elen,
604 imp->iso_ftype == ISO_FTYPE_9660,
605 isoflags & 4);
606 idp->current.d_namlen = (u_char)elen;
607 if (imp->iso_ftype == ISO_FTYPE_DEFAULT)
608 error = iso_shipdir(idp);
609 else
610 error = iso_uiodir(idp,&idp->current,idp->curroff);
611 break;
612 }
613 }
614 if (error)
615 break;
616
617 entryoffsetinblock += reclen;
618 }
619
620 if (!error && imp->iso_ftype == ISO_FTYPE_DEFAULT) {
621 idp->current.d_namlen = 0;
622 error = iso_shipdir(idp);
623 }
624 if (error < 0)
625 error = 0;
626
627 if (ap->a_ncookies != NULL) {
628 if (error)
629 FREE(cookies, M_TEMP);
630 else {
631 /*
632 * Work out the number of cookies actually used.
633 */
634 *ap->a_ncookies = ncookies - idp->ncookies;
635 *ap->a_cookies = cookies;
636 }
637 }
638
639 if (bp)
640 brelse (bp);
641
642 uio->uio_offset = idp->uio_off;
643 if (ap->a_eofflag)
644 *ap->a_eofflag = idp->eof;
645
646 FREE(idp,M_TEMP);
647
648 return (error);
649}
650
651/*
652 * Return target name of a symbolic link
653 * Shouldn't we get the parent vnode and read the data from there?
654 * This could eventually result in deadlocks in cd9660_lookup.
655 * But otherwise the block read here is in the block buffer two times.
656 */
657typedef struct iso_directory_record ISODIR;
658typedef struct iso_node ISONODE;
659typedef struct iso_mnt ISOMNT;
660int
661cd9660_readlink(ap)
662 struct vop_readlink_args /* {
663 struct vnode *a_vp;
664 struct uio *a_uio;
665 struct ucred *a_cred;
666 } */ *ap;
667{
668 ISONODE *ip;
669 ISODIR *dirp;
670 ISOMNT *imp;
671 struct buf *bp;
672 u_short symlen;
673 int error;
674 char *symname;
675
676 ip = VTOI(ap->a_vp);
677 imp = ip->i_mnt;
678
679 if (imp->iso_ftype != ISO_FTYPE_RRIP)
680 return EINVAL;
681
682 /*
683 * Get parents directory record block that this inode included.
684 */
685 error = bread(imp->im_devvp,
686 iso_dblkno(imp, ip->i_number),
687 imp->logical_block_size,
688 NOCRED,
689 &bp);
690 if (error) {
691 brelse(bp);
692 return EINVAL;
693 }
694
695 /*
696 * Setup the directory pointer for this inode
697 */
698 dirp = (ISODIR *)(bp->b_un.b_addr + (ip->i_number & imp->im_bmask));
699#ifdef DEBUG
700 printf("lbn=%d,off=%d,bsize=%d,DEV_BSIZE=%d, dirp= %08x, b_addr=%08x, offset=%08x(%08x)\n",
701 (daddr_t)(ip->i_number >> imp->im_bshift),
702 ip->i_number & imp->im_bmask,
703 imp->logical_block_size,
704 DEV_BSIZE,
705 dirp,
706 bp->b_un.b_addr,
707 ip->i_number,
708 ip->i_number & imp->im_bmask );
709#endif
710
711 /*
712 * Just make sure, we have a right one....
713 * 1: Check not cross boundary on block
714 */
715 if ((ip->i_number & imp->im_bmask) + isonum_711(dirp->length)
716 > imp->logical_block_size) {
717 brelse(bp);
718 return EINVAL;
719 }
720
721 /*
722 * Now get a buffer
723 * Abuse a namei buffer for now.
724 */
725 MALLOC(symname,char *,MAXPATHLEN,M_NAMEI,M_WAITOK);
726
727 /*
728 * Ok, we just gathering a symbolic name in SL record.
729 */
730 if (cd9660_rrip_getsymname(dirp,symname,&symlen,imp) == 0) {
731 FREE(symname,M_NAMEI);
732 brelse(bp);
733 return EINVAL;
734 }
735 /*
736 * Don't forget before you leave from home ;-)
737 */
738 brelse(bp);
739
740 /*
741 * return with the symbolic name to caller's.
742 */
743 error = uiomove(symname,symlen,ap->a_uio);
744
745 FREE(symname,M_NAMEI);
746
747 return error;
748}
749
750/*
751 * Ufs abort op, called after namei() when a CREATE/DELETE isn't actually
752 * done. If a buffer has been saved in anticipation of a CREATE, delete it.
753 */
754int
755cd9660_abortop(ap)
756 struct vop_abortop_args /* {
757 struct vnode *a_dvp;
758 struct componentname *a_cnp;
759 } */ *ap;
760{
761 if ((ap->a_cnp->cn_flags & (HASBUF | SAVESTART)) == HASBUF)
762 FREE(ap->a_cnp->cn_pnbuf, M_NAMEI);
763 return 0;
764}
765
766/*
767 * Lock an inode.
768 */
769int
770cd9660_lock(ap)
771 struct vop_lock_args /* {
772 struct vnode *a_vp;
773 } */ *ap;
774{
775 register struct iso_node *ip = VTOI(ap->a_vp);
776
777 ISO_ILOCK(ip);
778 return 0;
779}
780
781/*
782 * Unlock an inode.
783 */
784int
785cd9660_unlock(ap)
786 struct vop_unlock_args /* {
787 struct vnode *a_vp;
788 } */ *ap;
789{
790 register struct iso_node *ip = VTOI(ap->a_vp);
791
792 if (!(ip->i_flag & ILOCKED))
793 panic("cd9660_unlock NOT LOCKED");
794 ISO_IUNLOCK(ip);
795 return 0;
796}
797
798/*
799 * Check for a locked inode.
800 */
801int
802cd9660_islocked(ap)
803 struct vop_islocked_args /* {
804 struct vnode *a_vp;
805 } */ *ap;
806{
807
808 if (VTOI(ap->a_vp)->i_flag & ILOCKED)
809 return 1;
810 return 0;
811}
812
813/*
814 * Calculate the logical to physical mapping if not done already,
815 * then call the device strategy routine.
816 */
817int
818cd9660_strategy(ap)
819 struct vop_strategy_args /* {
820 struct buf *a_bp;
821 } */ *ap;
822{
823 register struct buf *bp = ap->a_bp;
824 register struct vnode *vp = bp->b_vp;
825 register struct iso_node *ip;
826 int error;
827
828 ip = VTOI(vp);
829 if (vp->v_type == VBLK || vp->v_type == VCHR)
830 panic("cd9660_strategy: spec");
831 if (bp->b_blkno == bp->b_lblkno) {
832 if ((error =
| 40 */
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/namei.h>
45#include <sys/resourcevar.h>
46#include <sys/kernel.h>
47#include <sys/file.h>
48#include <sys/stat.h>
49#include <sys/buf.h>
50#include <sys/proc.h>
51#include <sys/conf.h>
52#include <sys/mount.h>
53#include <sys/vnode.h>
54#include <miscfs/specfs/specdev.h>
55#include <miscfs/fifofs/fifo.h>
56#include <sys/malloc.h>
57#include <sys/dir.h>
58
59#include <isofs/cd9660/iso.h>
60#include <isofs/cd9660/cd9660_node.h>
61#include <isofs/cd9660/iso_rrip.h>
62
63#if 0
64/*
65 * Mknod vnode call
66 * Actually remap the device number
67 */
68cd9660_mknod(ndp, vap, cred, p)
69 struct nameidata *ndp;
70 struct ucred *cred;
71 struct vattr *vap;
72 struct proc *p;
73{
74#ifndef ISODEVMAP
75 free(ndp->ni_pnbuf, M_NAMEI);
76 vput(ndp->ni_dvp);
77 vput(ndp->ni_vp);
78 return EINVAL;
79#else
80 register struct vnode *vp;
81 struct iso_node *ip;
82 struct iso_dnode *dp;
83 int error;
84
85 vp = ndp->ni_vp;
86 ip = VTOI(vp);
87
88 if (ip->i_mnt->iso_ftype != ISO_FTYPE_RRIP
89 || vap->va_type != vp->v_type
90 || (vap->va_type != VCHR && vap->va_type != VBLK)) {
91 free(ndp->ni_pnbuf, M_NAMEI);
92 vput(ndp->ni_dvp);
93 vput(ndp->ni_vp);
94 return EINVAL;
95 }
96
97 dp = iso_dmap(ip->i_dev,ip->i_number,1);
98 if (ip->inode.iso_rdev == vap->va_rdev || vap->va_rdev == VNOVAL) {
99 /* same as the unmapped one, delete the mapping */
100 remque(dp);
101 FREE(dp,M_CACHE);
102 } else
103 /* enter new mapping */
104 dp->d_dev = vap->va_rdev;
105
106 /*
107 * Remove inode so that it will be reloaded by iget and
108 * checked to see if it is an alias of an existing entry
109 * in the inode cache.
110 */
111 vput(vp);
112 vp->v_type = VNON;
113 vgone(vp);
114 return (0);
115#endif
116}
117#endif
118
119/*
120 * Open called.
121 *
122 * Nothing to do.
123 */
124/* ARGSUSED */
125int
126cd9660_open(ap)
127 struct vop_open_args /* {
128 struct vnode *a_vp;
129 int a_mode;
130 struct ucred *a_cred;
131 struct proc *a_p;
132 } */ *ap;
133{
134 return (0);
135}
136
137/*
138 * Close called
139 *
140 * Update the times on the inode on writeable file systems.
141 */
142/* ARGSUSED */
143int
144cd9660_close(ap)
145 struct vop_close_args /* {
146 struct vnode *a_vp;
147 int a_fflag;
148 struct ucred *a_cred;
149 struct proc *a_p;
150 } */ *ap;
151{
152 return (0);
153}
154
155/*
156 * Check mode permission on inode pointer. Mode is READ, WRITE or EXEC.
157 * The mode is shifted to select the owner/group/other fields. The
158 * super user is granted all permissions.
159 */
160/* ARGSUSED */
161int
162cd9660_access(ap)
163 struct vop_access_args /* {
164 struct vnode *a_vp;
165 int a_mode;
166 struct ucred *a_cred;
167 struct proc *a_p;
168 } */ *ap;
169{
170 return (0);
171}
172
173int
174cd9660_getattr(ap)
175 struct vop_getattr_args /* {
176 struct vnode *a_vp;
177 struct vattr *a_vap;
178 struct ucred *a_cred;
179 struct proc *a_p;
180 } */ *ap;
181
182{
183 struct vnode *vp = ap->a_vp;
184 register struct vattr *vap = ap->a_vap;
185 register struct iso_node *ip = VTOI(vp);
186
187 vap->va_fsid = ip->i_dev;
188 vap->va_fileid = ip->i_number;
189
190 vap->va_mode = ip->inode.iso_mode;
191 vap->va_nlink = ip->inode.iso_links;
192 vap->va_uid = ip->inode.iso_uid;
193 vap->va_gid = ip->inode.iso_gid;
194 vap->va_atime = ip->inode.iso_atime;
195 vap->va_mtime = ip->inode.iso_mtime;
196 vap->va_ctime = ip->inode.iso_ctime;
197 vap->va_rdev = ip->inode.iso_rdev;
198
199 vap->va_size = (u_quad_t) ip->i_size;
200 vap->va_flags = 0;
201 vap->va_gen = 1;
202 vap->va_blocksize = ip->i_mnt->logical_block_size;
203 vap->va_bytes = (u_quad_t) ip->i_size;
204 vap->va_type = vp->v_type;
205 vap->va_filerev = 0;
206 return (0);
207}
208
209#if ISO_DEFAULT_BLOCK_SIZE >= NBPG
210#ifdef DEBUG
211extern int doclusterread;
212#else
213#define doclusterread 1
214#endif
215#else
216/* XXX until cluster routines can handle block sizes less than one page */
217#define doclusterread 0
218#endif
219
220/*
221 * Vnode op for reading.
222 */
223int
224cd9660_read(ap)
225 struct vop_read_args /* {
226 struct vnode *a_vp;
227 struct uio *a_uio;
228 int a_ioflag;
229 struct ucred *a_cred;
230 } */ *ap;
231{
232 struct vnode *vp = ap->a_vp;
233 register struct uio *uio = ap->a_uio;
234 register struct iso_node *ip = VTOI(vp);
235 register struct iso_mnt *imp;
236 struct buf *bp;
237 daddr_t lbn, rablock;
238 off_t diff;
239 int rasize, error = 0;
240 long size, n, on;
241
242 if (uio->uio_resid == 0)
243 return (0);
244 if (uio->uio_offset < 0)
245 return (EINVAL);
246 ip->i_flag |= IACC;
247 imp = ip->i_mnt;
248 do {
249 lbn = iso_lblkno(imp, uio->uio_offset);
250 on = iso_blkoff(imp, uio->uio_offset);
251 n = min((unsigned)(imp->logical_block_size - on),
252 uio->uio_resid);
253 diff = (off_t)ip->i_size - uio->uio_offset;
254 if (diff <= 0)
255 return (0);
256 if (diff < n)
257 n = diff;
258 size = iso_blksize(imp, ip, lbn);
259 rablock = lbn + 1;
260 if (doclusterread) {
261 if (iso_lblktosize(imp, rablock) <= ip->i_size)
262 error = cluster_read(vp, (off_t)ip->i_size,
263 lbn, size, NOCRED, &bp);
264 else
265 error = bread(vp, lbn, size, NOCRED, &bp);
266 } else {
267 if (vp->v_lastr + 1 == lbn &&
268 iso_lblktosize(imp, rablock) < ip->i_size) {
269 rasize = iso_blksize(imp, ip, rablock);
270 error = breadn(vp, lbn, size, &rablock,
271 &rasize, 1, NOCRED, &bp);
272 } else
273 error = bread(vp, lbn, size, NOCRED, &bp);
274 }
275 vp->v_lastr = lbn;
276 n = min(n, size - bp->b_resid);
277 if (error) {
278 brelse(bp);
279 return (error);
280 }
281
282 error = uiomove(bp->b_un.b_addr + on, (int)n, uio);
283 brelse(bp);
284 } while (error == 0 && uio->uio_resid > 0 && n != 0);
285 return (error);
286}
287
288/* ARGSUSED */
289int
290cd9660_ioctl(ap)
291 struct vop_ioctl_args /* {
292 struct vnode *a_vp;
293 int a_command;
294 caddr_t a_data;
295 int a_fflag;
296 struct ucred *a_cred;
297 struct proc *a_p;
298 } */ *ap;
299{
300 printf("You did ioctl for isofs !!\n");
301 return (ENOTTY);
302}
303
304/* ARGSUSED */
305int
306cd9660_select(ap)
307 struct vop_select_args /* {
308 struct vnode *a_vp;
309 int a_which;
310 int a_fflags;
311 struct ucred *a_cred;
312 struct proc *a_p;
313 } */ *ap;
314{
315
316 /*
317 * We should really check to see if I/O is possible.
318 */
319 return (1);
320}
321
322/*
323 * Mmap a file
324 *
325 * NB Currently unsupported.
326 */
327/* ARGSUSED */
328int
329cd9660_mmap(ap)
330 struct vop_mmap_args /* {
331 struct vnode *a_vp;
332 int a_fflags;
333 struct ucred *a_cred;
334 struct proc *a_p;
335 } */ *ap;
336{
337
338 return (EINVAL);
339}
340
341/*
342 * Seek on a file
343 *
344 * Nothing to do, so just return.
345 */
346/* ARGSUSED */
347int
348cd9660_seek(ap)
349 struct vop_seek_args /* {
350 struct vnode *a_vp;
351 off_t a_oldoff;
352 off_t a_newoff;
353 struct ucred *a_cred;
354 } */ *ap;
355{
356
357 return (0);
358}
359
360/*
361 * Structure for reading directories
362 */
363struct isoreaddir {
364 struct dirent saveent;
365 struct dirent assocent;
366 struct dirent current;
367 off_t saveoff;
368 off_t assocoff;
369 off_t curroff;
370 struct uio *uio;
371 off_t uio_off;
372 u_int *cookiep;
373 int ncookies;
374 int eof;
375};
376
377static int
378iso_uiodir(idp,dp,off)
379 struct isoreaddir *idp;
380 struct dirent *dp;
381 off_t off;
382{
383 int error;
384
385 dp->d_name[dp->d_namlen] = 0;
386 dp->d_reclen = DIRSIZ(dp);
387
388 if (idp->uio->uio_resid < dp->d_reclen) {
389 idp->eof = 0;
390 return -1;
391 }
392
393 if (idp->cookiep) {
394 if (idp->ncookies <= 0) {
395 idp->eof = 0;
396 return -1;
397 }
398
399 *idp->cookiep++ = off;
400 --idp->ncookies;
401 }
402
403 if ((error = uiomove((caddr_t)dp,dp->d_reclen,idp->uio)))
404 return error;
405 idp->uio_off = off;
406 return 0;
407}
408
409static int
410iso_shipdir(idp)
411 struct isoreaddir *idp;
412{
413 struct dirent *dp;
414 int cl, sl, assoc;
415 int error;
416 char *cname, *sname;
417
418 cl = idp->current.d_namlen;
419 cname = idp->current.d_name;
420assoc = (cl > 1) && (*cname == ASSOCCHAR);
421 if (assoc) {
422 cl--;
423 cname++;
424 }
425
426 dp = &idp->saveent;
427 sname = dp->d_name;
428 if (!(sl = dp->d_namlen)) {
429 dp = &idp->assocent;
430 sname = dp->d_name + 1;
431 sl = dp->d_namlen - 1;
432 }
433 if (sl > 0) {
434 if (sl != cl
435 || bcmp(sname,cname,sl)) {
436 if (idp->assocent.d_namlen) {
437 if ((error = iso_uiodir(idp,&idp->assocent,idp->assocoff)))
438 return error;
439 idp->assocent.d_namlen = 0;
440 }
441 if (idp->saveent.d_namlen) {
442 if ((error = iso_uiodir(idp,&idp->saveent,idp->saveoff)))
443 return error;
444 idp->saveent.d_namlen = 0;
445 }
446 }
447 }
448 idp->current.d_reclen = DIRSIZ(&idp->current);
449 if (assoc) {
450 idp->assocoff = idp->curroff;
451 bcopy(&idp->current,&idp->assocent,idp->current.d_reclen);
452 } else {
453 idp->saveoff = idp->curroff;
454 bcopy(&idp->current,&idp->saveent,idp->current.d_reclen);
455 }
456 return 0;
457}
458
459/*
460 * Vnode op for readdir
461 * XXX make sure everything still works now that eofflagp and cookiep
462 * are no longer args.
463 */
464int
465cd9660_readdir(ap)
466 struct vop_readdir_args /* {
467 struct vnode *a_vp;
468 struct uio *a_uio;
469 struct ucred *a_cred;
470 } */ *ap;
471{
472 register struct uio *uio = ap->a_uio;
473 struct isoreaddir *idp;
474 int entryoffsetinblock;
475 int error = 0;
476 int endsearch;
477 struct iso_directory_record *ep;
478 u_short elen;
479 int reclen;
480 int isoflags;
481 struct iso_mnt *imp;
482 struct iso_node *ip;
483 struct buf *bp = NULL;
484 u_short tmplen;
485 int ncookies = 0;
486 u_int *cookies = NULL;
487
488 ip = VTOI(ap->a_vp);
489 imp = ip->i_mnt;
490
491 MALLOC(idp,struct isoreaddir *,sizeof(*idp),M_TEMP,M_WAITOK);
492 idp->saveent.d_namlen = 0;
493 idp->assocent.d_namlen = 0;
494 idp->uio = uio;
495 if (ap->a_ncookies != NULL) {
496 /*
497 * Guess the number of cookies needed.
498 */
499 ncookies = uio->uio_resid / 16;
500 MALLOC(cookies, u_int *, ncookies * sizeof(u_int), M_TEMP, M_WAITOK);
501 idp->cookiep = cookies;
502 idp->ncookies = ncookies;
503 } else
504 idp->cookiep = 0;
505 idp->eof = 0;
506 idp->curroff = uio->uio_offset;
507
508 entryoffsetinblock = iso_blkoff(imp, idp->curroff);
509 if (entryoffsetinblock != 0) {
510 if ((error = iso_blkatoff(ip, idp->curroff, &bp))) {
511 FREE(idp,M_TEMP);
512 return (error);
513 }
514 }
515
516 endsearch = ip->i_size;
517
518 while (idp->curroff < endsearch) {
519 /*
520 * If offset is on a block boundary,
521 * read the next directory block.
522 * Release previous if it exists.
523 */
524
525 if (iso_blkoff(imp, idp->curroff) == 0) {
526 if (bp != NULL)
527 brelse(bp);
528 if ((error = iso_blkatoff(ip, idp->curroff, &bp)))
529 break;
530 entryoffsetinblock = 0;
531 }
532 /*
533 * Get pointer to next entry.
534 */
535
536 ep = (struct iso_directory_record *)
537 (bp->b_un.b_addr + entryoffsetinblock);
538
539 reclen = isonum_711 (ep->length);
540 isoflags = isonum_711(imp->iso_ftype == ISO_FTYPE_HIGH_SIERRA?
541 &ep->date[6]: ep->flags);
542 if (reclen == 0) {
543 /* skip to next block, if any */
544 idp->curroff = roundup (idp->curroff,
545 imp->logical_block_size);
546 continue;
547 }
548
549 if (reclen < ISO_DIRECTORY_RECORD_SIZE) {
550 error = EINVAL;
551 /* illegal entry, stop */
552 break;
553 }
554
555 if (entryoffsetinblock + reclen > imp->logical_block_size) {
556 error = EINVAL;
557 /* illegal directory, so stop looking */
558 break;
559 }
560
561 /* XXX: be more intelligent if we can */
562 idp->current.d_type = DT_UNKNOWN;
563
564 idp->current.d_namlen = isonum_711 (ep->name_len);
565 if (isoflags & 2)
566 isodirino(&idp->current.d_fileno,ep,imp);
567 else
568 idp->current.d_fileno = dbtob(bp->b_blkno) +
569 idp->curroff;
570
571 if (reclen < ISO_DIRECTORY_RECORD_SIZE + idp->current.d_namlen) {
572 error = EINVAL;
573 /* illegal entry, stop */
574 break;
575 }
576
577 idp->curroff += reclen;
578 /*
579 *
580 */
581 switch (imp->iso_ftype) {
582 case ISO_FTYPE_RRIP:
583 cd9660_rrip_getname(ep,idp->current.d_name,
584 &tmplen,
585 &idp->current.d_fileno,imp);
586 idp->current.d_namlen = tmplen;
587 if (idp->current.d_namlen)
588 error = iso_uiodir(idp,&idp->current,idp->curroff);
589 break;
590 default: /* ISO_FTYPE_DEFAULT || ISO_FTYPE_9660 || ISO_FTYPE_HIGH_SIERRA*/
591 strcpy(idp->current.d_name,"..");
592 switch (ep->name[0]) {
593 case 0:
594 idp->current.d_namlen = 1;
595 error = iso_uiodir(idp,&idp->current,idp->curroff);
596 break;
597 case 1:
598 idp->current.d_namlen = 2;
599 error = iso_uiodir(idp,&idp->current,idp->curroff);
600 break;
601 default:
602 isofntrans(ep->name,idp->current.d_namlen,
603 idp->current.d_name, &elen,
604 imp->iso_ftype == ISO_FTYPE_9660,
605 isoflags & 4);
606 idp->current.d_namlen = (u_char)elen;
607 if (imp->iso_ftype == ISO_FTYPE_DEFAULT)
608 error = iso_shipdir(idp);
609 else
610 error = iso_uiodir(idp,&idp->current,idp->curroff);
611 break;
612 }
613 }
614 if (error)
615 break;
616
617 entryoffsetinblock += reclen;
618 }
619
620 if (!error && imp->iso_ftype == ISO_FTYPE_DEFAULT) {
621 idp->current.d_namlen = 0;
622 error = iso_shipdir(idp);
623 }
624 if (error < 0)
625 error = 0;
626
627 if (ap->a_ncookies != NULL) {
628 if (error)
629 FREE(cookies, M_TEMP);
630 else {
631 /*
632 * Work out the number of cookies actually used.
633 */
634 *ap->a_ncookies = ncookies - idp->ncookies;
635 *ap->a_cookies = cookies;
636 }
637 }
638
639 if (bp)
640 brelse (bp);
641
642 uio->uio_offset = idp->uio_off;
643 if (ap->a_eofflag)
644 *ap->a_eofflag = idp->eof;
645
646 FREE(idp,M_TEMP);
647
648 return (error);
649}
650
651/*
652 * Return target name of a symbolic link
653 * Shouldn't we get the parent vnode and read the data from there?
654 * This could eventually result in deadlocks in cd9660_lookup.
655 * But otherwise the block read here is in the block buffer two times.
656 */
657typedef struct iso_directory_record ISODIR;
658typedef struct iso_node ISONODE;
659typedef struct iso_mnt ISOMNT;
660int
661cd9660_readlink(ap)
662 struct vop_readlink_args /* {
663 struct vnode *a_vp;
664 struct uio *a_uio;
665 struct ucred *a_cred;
666 } */ *ap;
667{
668 ISONODE *ip;
669 ISODIR *dirp;
670 ISOMNT *imp;
671 struct buf *bp;
672 u_short symlen;
673 int error;
674 char *symname;
675
676 ip = VTOI(ap->a_vp);
677 imp = ip->i_mnt;
678
679 if (imp->iso_ftype != ISO_FTYPE_RRIP)
680 return EINVAL;
681
682 /*
683 * Get parents directory record block that this inode included.
684 */
685 error = bread(imp->im_devvp,
686 iso_dblkno(imp, ip->i_number),
687 imp->logical_block_size,
688 NOCRED,
689 &bp);
690 if (error) {
691 brelse(bp);
692 return EINVAL;
693 }
694
695 /*
696 * Setup the directory pointer for this inode
697 */
698 dirp = (ISODIR *)(bp->b_un.b_addr + (ip->i_number & imp->im_bmask));
699#ifdef DEBUG
700 printf("lbn=%d,off=%d,bsize=%d,DEV_BSIZE=%d, dirp= %08x, b_addr=%08x, offset=%08x(%08x)\n",
701 (daddr_t)(ip->i_number >> imp->im_bshift),
702 ip->i_number & imp->im_bmask,
703 imp->logical_block_size,
704 DEV_BSIZE,
705 dirp,
706 bp->b_un.b_addr,
707 ip->i_number,
708 ip->i_number & imp->im_bmask );
709#endif
710
711 /*
712 * Just make sure, we have a right one....
713 * 1: Check not cross boundary on block
714 */
715 if ((ip->i_number & imp->im_bmask) + isonum_711(dirp->length)
716 > imp->logical_block_size) {
717 brelse(bp);
718 return EINVAL;
719 }
720
721 /*
722 * Now get a buffer
723 * Abuse a namei buffer for now.
724 */
725 MALLOC(symname,char *,MAXPATHLEN,M_NAMEI,M_WAITOK);
726
727 /*
728 * Ok, we just gathering a symbolic name in SL record.
729 */
730 if (cd9660_rrip_getsymname(dirp,symname,&symlen,imp) == 0) {
731 FREE(symname,M_NAMEI);
732 brelse(bp);
733 return EINVAL;
734 }
735 /*
736 * Don't forget before you leave from home ;-)
737 */
738 brelse(bp);
739
740 /*
741 * return with the symbolic name to caller's.
742 */
743 error = uiomove(symname,symlen,ap->a_uio);
744
745 FREE(symname,M_NAMEI);
746
747 return error;
748}
749
750/*
751 * Ufs abort op, called after namei() when a CREATE/DELETE isn't actually
752 * done. If a buffer has been saved in anticipation of a CREATE, delete it.
753 */
754int
755cd9660_abortop(ap)
756 struct vop_abortop_args /* {
757 struct vnode *a_dvp;
758 struct componentname *a_cnp;
759 } */ *ap;
760{
761 if ((ap->a_cnp->cn_flags & (HASBUF | SAVESTART)) == HASBUF)
762 FREE(ap->a_cnp->cn_pnbuf, M_NAMEI);
763 return 0;
764}
765
766/*
767 * Lock an inode.
768 */
769int
770cd9660_lock(ap)
771 struct vop_lock_args /* {
772 struct vnode *a_vp;
773 } */ *ap;
774{
775 register struct iso_node *ip = VTOI(ap->a_vp);
776
777 ISO_ILOCK(ip);
778 return 0;
779}
780
781/*
782 * Unlock an inode.
783 */
784int
785cd9660_unlock(ap)
786 struct vop_unlock_args /* {
787 struct vnode *a_vp;
788 } */ *ap;
789{
790 register struct iso_node *ip = VTOI(ap->a_vp);
791
792 if (!(ip->i_flag & ILOCKED))
793 panic("cd9660_unlock NOT LOCKED");
794 ISO_IUNLOCK(ip);
795 return 0;
796}
797
798/*
799 * Check for a locked inode.
800 */
801int
802cd9660_islocked(ap)
803 struct vop_islocked_args /* {
804 struct vnode *a_vp;
805 } */ *ap;
806{
807
808 if (VTOI(ap->a_vp)->i_flag & ILOCKED)
809 return 1;
810 return 0;
811}
812
813/*
814 * Calculate the logical to physical mapping if not done already,
815 * then call the device strategy routine.
816 */
817int
818cd9660_strategy(ap)
819 struct vop_strategy_args /* {
820 struct buf *a_bp;
821 } */ *ap;
822{
823 register struct buf *bp = ap->a_bp;
824 register struct vnode *vp = bp->b_vp;
825 register struct iso_node *ip;
826 int error;
827
828 ip = VTOI(vp);
829 if (vp->v_type == VBLK || vp->v_type == VCHR)
830 panic("cd9660_strategy: spec");
831 if (bp->b_blkno == bp->b_lblkno) {
832 if ((error =
|
834 bp->b_error = error;
835 bp->b_flags |= B_ERROR;
836 biodone(bp);
837 return (error);
838 }
839 if ((long)bp->b_blkno == -1)
840 clrbuf(bp);
841 }
842 if ((long)bp->b_blkno == -1) {
843 biodone(bp);
844 return (0);
845 }
846 vp = ip->i_devvp;
847 bp->b_dev = vp->v_rdev;
848 VOCALL (vp->v_op, VOFFSET(vop_strategy), ap);
849 return (0);
850}
851
852/*
853 * Print out the contents of an inode.
854 */
855int
856cd9660_print(ap)
857 struct vop_print_args /* {
858 struct vnode *a_vp;
859 } */ *ap;
860{
861 printf("tag VT_ISOFS, isofs vnode\n");
862 return 0;
863}
864
865/*
866 * Unsupported operation
867 */
868int
869cd9660_enotsupp()
870{
871
872 return (EOPNOTSUPP);
873}
874
875/*
876 * Global vfs data structures for isofs
877 */
878#define cd9660_create \
879 ((int (*) __P((struct vop_create_args *)))cd9660_enotsupp)
880#define cd9660_mknod ((int (*) __P((struct vop_mknod_args *)))cd9660_enotsupp)
881#define cd9660_setattr \
882 ((int (*) __P((struct vop_setattr_args *)))cd9660_enotsupp)
883#define cd9660_write ((int (*) __P((struct vop_write_args *)))cd9660_enotsupp)
884#define cd9660_fsync ((int (*) __P((struct vop_fsync_args *)))nullop)
885#define cd9660_remove \
886 ((int (*) __P((struct vop_remove_args *)))cd9660_enotsupp)
887#define cd9660_link ((int (*) __P((struct vop_link_args *)))cd9660_enotsupp)
888#define cd9660_rename \
889 ((int (*) __P((struct vop_rename_args *)))cd9660_enotsupp)
890#define cd9660_mkdir ((int (*) __P((struct vop_mkdir_args *)))cd9660_enotsupp)
891#define cd9660_rmdir ((int (*) __P((struct vop_rmdir_args *)))cd9660_enotsupp)
892#define cd9660_symlink \
893 ((int (*) __P((struct vop_symlink_args *)))cd9660_enotsupp)
894#define cd9660_pathconf \
895 ((int (*) __P((struct vop_pathconf_args *)))cd9660_enotsupp)
896#define cd9660_advlock \
897 ((int (*) __P((struct vop_advlock_args *)))cd9660_enotsupp)
898#define cd9660_blkatoff \
899 ((int (*) __P((struct vop_blkatoff_args *)))cd9660_enotsupp)
900#define cd9660_valloc ((int(*) __P(( \
901 struct vnode *pvp, \
902 int mode, \
903 struct ucred *cred, \
904 struct vnode **vpp))) cd9660_enotsupp)
905#define cd9660_vfree ((int (*) __P((struct vop_vfree_args *)))cd9660_enotsupp)
906#define cd9660_truncate \
907 ((int (*) __P((struct vop_truncate_args *)))cd9660_enotsupp)
908#define cd9660_update \
909 ((int (*) __P((struct vop_update_args *)))cd9660_enotsupp)
910#define cd9660_bwrite \
911 ((int (*) __P((struct vop_bwrite_args *)))cd9660_enotsupp)
912
913/*
914 * Global vfs data structures for nfs
915 */
916int (**cd9660_vnodeop_p)();
917struct vnodeopv_entry_desc cd9660_vnodeop_entries[] = {
918 { &vop_default_desc, vn_default_error },
919 { &vop_lookup_desc, cd9660_lookup }, /* lookup */
920 { &vop_create_desc, cd9660_create }, /* create */
921 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
922 { &vop_open_desc, cd9660_open }, /* open */
923 { &vop_close_desc, cd9660_close }, /* close */
924 { &vop_access_desc, cd9660_access }, /* access */
925 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
926 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
927 { &vop_read_desc, cd9660_read }, /* read */
928 { &vop_write_desc, cd9660_write }, /* write */
929 { &vop_ioctl_desc, cd9660_ioctl }, /* ioctl */
930 { &vop_select_desc, cd9660_select }, /* select */
931 { &vop_mmap_desc, cd9660_mmap }, /* mmap */
932 { &vop_fsync_desc, cd9660_fsync }, /* fsync */
933 { &vop_seek_desc, cd9660_seek }, /* seek */
934 { &vop_remove_desc, cd9660_remove }, /* remove */
935 { &vop_link_desc, cd9660_link }, /* link */
936 { &vop_rename_desc, cd9660_rename }, /* rename */
937 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
938 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
939 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
940 { &vop_readdir_desc, cd9660_readdir }, /* readdir */
941 { &vop_readlink_desc, cd9660_readlink },/* readlink */
942 { &vop_abortop_desc, cd9660_abortop }, /* abortop */
943 { &vop_inactive_desc, cd9660_inactive },/* inactive */
944 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
945 { &vop_lock_desc, cd9660_lock }, /* lock */
946 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
947 { &vop_bmap_desc, cd9660_bmap }, /* bmap */
948 { &vop_strategy_desc, cd9660_strategy },/* strategy */
949 { &vop_print_desc, cd9660_print }, /* print */
950 { &vop_islocked_desc, cd9660_islocked },/* islocked */
951 { &vop_pathconf_desc, cd9660_pathconf },/* pathconf */
952 { &vop_advlock_desc, cd9660_advlock }, /* advlock */
953 { &vop_blkatoff_desc, cd9660_blkatoff },/* blkatoff */
954 { &vop_valloc_desc, cd9660_valloc }, /* valloc */
955 { &vop_vfree_desc, cd9660_vfree }, /* vfree */
956 { &vop_truncate_desc, cd9660_truncate },/* truncate */
957 { &vop_update_desc, cd9660_update }, /* update */
958 { &vop_bwrite_desc, vn_bwrite },
959 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
960};
961struct vnodeopv_desc cd9660_vnodeop_opv_desc =
962 { &cd9660_vnodeop_p, cd9660_vnodeop_entries };
963VNODEOP_SET(cd9660_vnodeop_opv_desc);
964
965/*
966 * Special device vnode ops
967 */
968int (**cd9660_specop_p)();
969struct vnodeopv_entry_desc cd9660_specop_entries[] = {
970 { &vop_default_desc, vn_default_error },
971 { &vop_lookup_desc, spec_lookup }, /* lookup */
972 { &vop_create_desc, cd9660_create }, /* create */
973 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
974 { &vop_open_desc, spec_open }, /* open */
975 { &vop_close_desc, spec_close }, /* close */
976 { &vop_access_desc, cd9660_access }, /* access */
977 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
978 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
979 { &vop_read_desc, spec_read }, /* read */
980 { &vop_write_desc, spec_write }, /* write */
981 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */
982 { &vop_select_desc, spec_select }, /* select */
983 { &vop_mmap_desc, spec_mmap }, /* mmap */
984 { &vop_fsync_desc, spec_fsync }, /* fsync */
985 { &vop_seek_desc, spec_seek }, /* seek */
986 { &vop_remove_desc, cd9660_remove }, /* remove */
987 { &vop_link_desc, cd9660_link }, /* link */
988 { &vop_rename_desc, cd9660_rename }, /* rename */
989 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
990 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
991 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
992 { &vop_readdir_desc, spec_readdir }, /* readdir */
993 { &vop_readlink_desc, spec_readlink }, /* readlink */
994 { &vop_abortop_desc, spec_abortop }, /* abortop */
995 { &vop_inactive_desc, cd9660_inactive },/* inactive */
996 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
997 { &vop_lock_desc, cd9660_lock }, /* lock */
998 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
999 { &vop_bmap_desc, spec_bmap }, /* bmap */
1000 { &vop_strategy_desc, spec_strategy }, /* strategy */
1001 { &vop_print_desc, cd9660_print }, /* print */
1002 { &vop_islocked_desc, cd9660_islocked },/* islocked */
1003 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */
1004 { &vop_advlock_desc, spec_advlock }, /* advlock */
1005 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
1006 { &vop_valloc_desc, spec_valloc }, /* valloc */
1007 { &vop_vfree_desc, spec_vfree }, /* vfree */
1008 { &vop_truncate_desc, spec_truncate }, /* truncate */
1009 { &vop_update_desc, cd9660_update }, /* update */
1010 { &vop_bwrite_desc, vn_bwrite },
1011 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
1012};
1013struct vnodeopv_desc cd9660_specop_opv_desc =
1014 { &cd9660_specop_p, cd9660_specop_entries };
1015VNODEOP_SET(cd9660_specop_opv_desc);
1016
1017int (**cd9660_fifoop_p)();
1018struct vnodeopv_entry_desc cd9660_fifoop_entries[] = {
1019 { &vop_default_desc, vn_default_error },
1020 { &vop_lookup_desc, fifo_lookup }, /* lookup */
1021 { &vop_create_desc, cd9660_create }, /* create */
1022 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
1023 { &vop_open_desc, fifo_open }, /* open */
1024 { &vop_close_desc, fifo_close }, /* close */
1025 { &vop_access_desc, cd9660_access }, /* access */
1026 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
1027 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
1028 { &vop_read_desc, fifo_read }, /* read */
1029 { &vop_write_desc, fifo_write }, /* write */
1030 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
1031 { &vop_select_desc, fifo_select }, /* select */
1032 { &vop_mmap_desc, fifo_mmap }, /* mmap */
1033 { &vop_fsync_desc, fifo_fsync }, /* fsync */
1034 { &vop_seek_desc, fifo_seek }, /* seek */
1035 { &vop_remove_desc, cd9660_remove }, /* remove */
1036 { &vop_link_desc, cd9660_link }, /* link */
1037 { &vop_rename_desc, cd9660_rename }, /* rename */
1038 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
1039 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
1040 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
1041 { &vop_readdir_desc, fifo_readdir }, /* readdir */
1042 { &vop_readlink_desc, fifo_readlink }, /* readlink */
1043 { &vop_abortop_desc, fifo_abortop }, /* abortop */
1044 { &vop_inactive_desc, cd9660_inactive },/* inactive */
1045 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
1046 { &vop_lock_desc, cd9660_lock }, /* lock */
1047 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
1048 { &vop_bmap_desc, fifo_bmap }, /* bmap */
1049 { &vop_strategy_desc, fifo_badop }, /* strategy */
1050 { &vop_print_desc, cd9660_print }, /* print */
1051 { &vop_islocked_desc, cd9660_islocked },/* islocked */
1052 { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
1053 { &vop_advlock_desc, fifo_advlock }, /* advlock */
1054 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
1055 { &vop_valloc_desc, fifo_valloc }, /* valloc */
1056 { &vop_vfree_desc, fifo_vfree }, /* vfree */
1057 { &vop_truncate_desc, fifo_truncate }, /* truncate */
1058 { &vop_update_desc, cd9660_update }, /* update */
1059 { &vop_bwrite_desc, vn_bwrite },
1060 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
1061};
1062struct vnodeopv_desc cd9660_fifoop_opv_desc =
1063 { &cd9660_fifoop_p, cd9660_fifoop_entries };
1064
1065VNODEOP_SET(cd9660_fifoop_opv_desc);
| 834 bp->b_error = error;
835 bp->b_flags |= B_ERROR;
836 biodone(bp);
837 return (error);
838 }
839 if ((long)bp->b_blkno == -1)
840 clrbuf(bp);
841 }
842 if ((long)bp->b_blkno == -1) {
843 biodone(bp);
844 return (0);
845 }
846 vp = ip->i_devvp;
847 bp->b_dev = vp->v_rdev;
848 VOCALL (vp->v_op, VOFFSET(vop_strategy), ap);
849 return (0);
850}
851
852/*
853 * Print out the contents of an inode.
854 */
855int
856cd9660_print(ap)
857 struct vop_print_args /* {
858 struct vnode *a_vp;
859 } */ *ap;
860{
861 printf("tag VT_ISOFS, isofs vnode\n");
862 return 0;
863}
864
865/*
866 * Unsupported operation
867 */
868int
869cd9660_enotsupp()
870{
871
872 return (EOPNOTSUPP);
873}
874
875/*
876 * Global vfs data structures for isofs
877 */
878#define cd9660_create \
879 ((int (*) __P((struct vop_create_args *)))cd9660_enotsupp)
880#define cd9660_mknod ((int (*) __P((struct vop_mknod_args *)))cd9660_enotsupp)
881#define cd9660_setattr \
882 ((int (*) __P((struct vop_setattr_args *)))cd9660_enotsupp)
883#define cd9660_write ((int (*) __P((struct vop_write_args *)))cd9660_enotsupp)
884#define cd9660_fsync ((int (*) __P((struct vop_fsync_args *)))nullop)
885#define cd9660_remove \
886 ((int (*) __P((struct vop_remove_args *)))cd9660_enotsupp)
887#define cd9660_link ((int (*) __P((struct vop_link_args *)))cd9660_enotsupp)
888#define cd9660_rename \
889 ((int (*) __P((struct vop_rename_args *)))cd9660_enotsupp)
890#define cd9660_mkdir ((int (*) __P((struct vop_mkdir_args *)))cd9660_enotsupp)
891#define cd9660_rmdir ((int (*) __P((struct vop_rmdir_args *)))cd9660_enotsupp)
892#define cd9660_symlink \
893 ((int (*) __P((struct vop_symlink_args *)))cd9660_enotsupp)
894#define cd9660_pathconf \
895 ((int (*) __P((struct vop_pathconf_args *)))cd9660_enotsupp)
896#define cd9660_advlock \
897 ((int (*) __P((struct vop_advlock_args *)))cd9660_enotsupp)
898#define cd9660_blkatoff \
899 ((int (*) __P((struct vop_blkatoff_args *)))cd9660_enotsupp)
900#define cd9660_valloc ((int(*) __P(( \
901 struct vnode *pvp, \
902 int mode, \
903 struct ucred *cred, \
904 struct vnode **vpp))) cd9660_enotsupp)
905#define cd9660_vfree ((int (*) __P((struct vop_vfree_args *)))cd9660_enotsupp)
906#define cd9660_truncate \
907 ((int (*) __P((struct vop_truncate_args *)))cd9660_enotsupp)
908#define cd9660_update \
909 ((int (*) __P((struct vop_update_args *)))cd9660_enotsupp)
910#define cd9660_bwrite \
911 ((int (*) __P((struct vop_bwrite_args *)))cd9660_enotsupp)
912
913/*
914 * Global vfs data structures for nfs
915 */
916int (**cd9660_vnodeop_p)();
917struct vnodeopv_entry_desc cd9660_vnodeop_entries[] = {
918 { &vop_default_desc, vn_default_error },
919 { &vop_lookup_desc, cd9660_lookup }, /* lookup */
920 { &vop_create_desc, cd9660_create }, /* create */
921 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
922 { &vop_open_desc, cd9660_open }, /* open */
923 { &vop_close_desc, cd9660_close }, /* close */
924 { &vop_access_desc, cd9660_access }, /* access */
925 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
926 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
927 { &vop_read_desc, cd9660_read }, /* read */
928 { &vop_write_desc, cd9660_write }, /* write */
929 { &vop_ioctl_desc, cd9660_ioctl }, /* ioctl */
930 { &vop_select_desc, cd9660_select }, /* select */
931 { &vop_mmap_desc, cd9660_mmap }, /* mmap */
932 { &vop_fsync_desc, cd9660_fsync }, /* fsync */
933 { &vop_seek_desc, cd9660_seek }, /* seek */
934 { &vop_remove_desc, cd9660_remove }, /* remove */
935 { &vop_link_desc, cd9660_link }, /* link */
936 { &vop_rename_desc, cd9660_rename }, /* rename */
937 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
938 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
939 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
940 { &vop_readdir_desc, cd9660_readdir }, /* readdir */
941 { &vop_readlink_desc, cd9660_readlink },/* readlink */
942 { &vop_abortop_desc, cd9660_abortop }, /* abortop */
943 { &vop_inactive_desc, cd9660_inactive },/* inactive */
944 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
945 { &vop_lock_desc, cd9660_lock }, /* lock */
946 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
947 { &vop_bmap_desc, cd9660_bmap }, /* bmap */
948 { &vop_strategy_desc, cd9660_strategy },/* strategy */
949 { &vop_print_desc, cd9660_print }, /* print */
950 { &vop_islocked_desc, cd9660_islocked },/* islocked */
951 { &vop_pathconf_desc, cd9660_pathconf },/* pathconf */
952 { &vop_advlock_desc, cd9660_advlock }, /* advlock */
953 { &vop_blkatoff_desc, cd9660_blkatoff },/* blkatoff */
954 { &vop_valloc_desc, cd9660_valloc }, /* valloc */
955 { &vop_vfree_desc, cd9660_vfree }, /* vfree */
956 { &vop_truncate_desc, cd9660_truncate },/* truncate */
957 { &vop_update_desc, cd9660_update }, /* update */
958 { &vop_bwrite_desc, vn_bwrite },
959 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
960};
961struct vnodeopv_desc cd9660_vnodeop_opv_desc =
962 { &cd9660_vnodeop_p, cd9660_vnodeop_entries };
963VNODEOP_SET(cd9660_vnodeop_opv_desc);
964
965/*
966 * Special device vnode ops
967 */
968int (**cd9660_specop_p)();
969struct vnodeopv_entry_desc cd9660_specop_entries[] = {
970 { &vop_default_desc, vn_default_error },
971 { &vop_lookup_desc, spec_lookup }, /* lookup */
972 { &vop_create_desc, cd9660_create }, /* create */
973 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
974 { &vop_open_desc, spec_open }, /* open */
975 { &vop_close_desc, spec_close }, /* close */
976 { &vop_access_desc, cd9660_access }, /* access */
977 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
978 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
979 { &vop_read_desc, spec_read }, /* read */
980 { &vop_write_desc, spec_write }, /* write */
981 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */
982 { &vop_select_desc, spec_select }, /* select */
983 { &vop_mmap_desc, spec_mmap }, /* mmap */
984 { &vop_fsync_desc, spec_fsync }, /* fsync */
985 { &vop_seek_desc, spec_seek }, /* seek */
986 { &vop_remove_desc, cd9660_remove }, /* remove */
987 { &vop_link_desc, cd9660_link }, /* link */
988 { &vop_rename_desc, cd9660_rename }, /* rename */
989 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
990 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
991 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
992 { &vop_readdir_desc, spec_readdir }, /* readdir */
993 { &vop_readlink_desc, spec_readlink }, /* readlink */
994 { &vop_abortop_desc, spec_abortop }, /* abortop */
995 { &vop_inactive_desc, cd9660_inactive },/* inactive */
996 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
997 { &vop_lock_desc, cd9660_lock }, /* lock */
998 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
999 { &vop_bmap_desc, spec_bmap }, /* bmap */
1000 { &vop_strategy_desc, spec_strategy }, /* strategy */
1001 { &vop_print_desc, cd9660_print }, /* print */
1002 { &vop_islocked_desc, cd9660_islocked },/* islocked */
1003 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */
1004 { &vop_advlock_desc, spec_advlock }, /* advlock */
1005 { &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
1006 { &vop_valloc_desc, spec_valloc }, /* valloc */
1007 { &vop_vfree_desc, spec_vfree }, /* vfree */
1008 { &vop_truncate_desc, spec_truncate }, /* truncate */
1009 { &vop_update_desc, cd9660_update }, /* update */
1010 { &vop_bwrite_desc, vn_bwrite },
1011 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
1012};
1013struct vnodeopv_desc cd9660_specop_opv_desc =
1014 { &cd9660_specop_p, cd9660_specop_entries };
1015VNODEOP_SET(cd9660_specop_opv_desc);
1016
1017int (**cd9660_fifoop_p)();
1018struct vnodeopv_entry_desc cd9660_fifoop_entries[] = {
1019 { &vop_default_desc, vn_default_error },
1020 { &vop_lookup_desc, fifo_lookup }, /* lookup */
1021 { &vop_create_desc, cd9660_create }, /* create */
1022 { &vop_mknod_desc, cd9660_mknod }, /* mknod */
1023 { &vop_open_desc, fifo_open }, /* open */
1024 { &vop_close_desc, fifo_close }, /* close */
1025 { &vop_access_desc, cd9660_access }, /* access */
1026 { &vop_getattr_desc, cd9660_getattr }, /* getattr */
1027 { &vop_setattr_desc, cd9660_setattr }, /* setattr */
1028 { &vop_read_desc, fifo_read }, /* read */
1029 { &vop_write_desc, fifo_write }, /* write */
1030 { &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
1031 { &vop_select_desc, fifo_select }, /* select */
1032 { &vop_mmap_desc, fifo_mmap }, /* mmap */
1033 { &vop_fsync_desc, fifo_fsync }, /* fsync */
1034 { &vop_seek_desc, fifo_seek }, /* seek */
1035 { &vop_remove_desc, cd9660_remove }, /* remove */
1036 { &vop_link_desc, cd9660_link }, /* link */
1037 { &vop_rename_desc, cd9660_rename }, /* rename */
1038 { &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
1039 { &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
1040 { &vop_symlink_desc, cd9660_symlink }, /* symlink */
1041 { &vop_readdir_desc, fifo_readdir }, /* readdir */
1042 { &vop_readlink_desc, fifo_readlink }, /* readlink */
1043 { &vop_abortop_desc, fifo_abortop }, /* abortop */
1044 { &vop_inactive_desc, cd9660_inactive },/* inactive */
1045 { &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
1046 { &vop_lock_desc, cd9660_lock }, /* lock */
1047 { &vop_unlock_desc, cd9660_unlock }, /* unlock */
1048 { &vop_bmap_desc, fifo_bmap }, /* bmap */
1049 { &vop_strategy_desc, fifo_badop }, /* strategy */
1050 { &vop_print_desc, cd9660_print }, /* print */
1051 { &vop_islocked_desc, cd9660_islocked },/* islocked */
1052 { &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
1053 { &vop_advlock_desc, fifo_advlock }, /* advlock */
1054 { &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
1055 { &vop_valloc_desc, fifo_valloc }, /* valloc */
1056 { &vop_vfree_desc, fifo_vfree }, /* vfree */
1057 { &vop_truncate_desc, fifo_truncate }, /* truncate */
1058 { &vop_update_desc, cd9660_update }, /* update */
1059 { &vop_bwrite_desc, vn_bwrite },
1060 { (struct vnodeop_desc*)NULL, (int(*)())NULL }
1061};
1062struct vnodeopv_desc cd9660_fifoop_opv_desc =
1063 { &cd9660_fifoop_p, cd9660_fifoop_entries };
1064
1065VNODEOP_SET(cd9660_fifoop_opv_desc);
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