FreeBSD/Linux Kernel Cross Reference
sys/dev/scsipi/cd.c
1 /* $NetBSD: cd.c,v 1.220.2.2 2006/04/27 20:37:42 tron Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2001, 2003, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Originally written by Julian Elischer (julian@tfs.com)
41 * for TRW Financial Systems for use under the MACH(2.5) operating system.
42 *
43 * TRW Financial Systems, in accordance with their agreement with Carnegie
44 * Mellon University, makes this software available to CMU to distribute
45 * or use in any manner that they see fit as long as this message is kept with
46 * the software. For this reason TFS also grants any other persons or
47 * organisations permission to use or modify this software.
48 *
49 * TFS supplies this software to be publicly redistributed
50 * on the understanding that TFS is not responsible for the correct
51 * functioning of this software in any circumstances.
52 *
53 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
54 */
55
56 #include <sys/cdefs.h>
57 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.220.2.2 2006/04/27 20:37:42 tron Exp $");
58
59 #include "rnd.h"
60
61 #include <sys/param.h>
62 #include <sys/systm.h>
63 #include <sys/kernel.h>
64 #include <sys/file.h>
65 #include <sys/stat.h>
66 #include <sys/ioctl.h>
67 #include <sys/buf.h>
68 #include <sys/bufq.h>
69 #include <sys/uio.h>
70 #include <sys/malloc.h>
71 #include <sys/errno.h>
72 #include <sys/device.h>
73 #include <sys/disklabel.h>
74 #include <sys/disk.h>
75 #include <sys/cdio.h>
76 #include <sys/dvdio.h>
77 #include <sys/scsiio.h>
78 #include <sys/proc.h>
79 #include <sys/conf.h>
80 #include <sys/vnode.h>
81 #if NRND > 0
82 #include <sys/rnd.h>
83 #endif
84
85 #include <dev/scsipi/scsi_spc.h>
86 #include <dev/scsipi/scsipi_all.h>
87 #include <dev/scsipi/scsipi_cd.h>
88 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */
89 #include <dev/scsipi/scsi_all.h>
90 /* from there */
91 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */
92 #include <dev/scsipi/scsipiconf.h>
93 #include <dev/scsipi/scsipi_base.h>
94 #include <dev/scsipi/cdvar.h>
95
96 #define CDUNIT(z) DISKUNIT(z)
97 #define CDPART(z) DISKPART(z)
98 #define CDMINOR(unit, part) DISKMINOR(unit, part)
99 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part)
100
101 #define MAXTRACK 99
102 #define CD_BLOCK_OFFSET 150
103 #define CD_FRAMES 75
104 #define CD_SECS 60
105
106 struct cd_toc {
107 struct ioc_toc_header header;
108 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */
109 /* leadout */
110 };
111
112 static void cdstart(struct scsipi_periph *);
113 static void cdrestart(void *);
114 static void cdminphys(struct buf *);
115 static void cdgetdefaultlabel(struct cd_softc *, struct disklabel *);
116 static void cdgetdisklabel(struct cd_softc *);
117 static void cddone(struct scsipi_xfer *, int);
118 static void cdbounce(struct buf *);
119 static int cd_interpret_sense(struct scsipi_xfer *);
120 static u_long cd_size(struct cd_softc *, int);
121 static int cd_play(struct cd_softc *, int, int);
122 static int cd_play_tracks(struct cd_softc *, int, int, int, int);
123 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int);
124 static int cd_pause(struct cd_softc *, int);
125 static int cd_reset(struct cd_softc *);
126 static int cd_read_subchannel(struct cd_softc *, int, int, int,
127 struct cd_sub_channel_info *, int, int);
128 static int cd_read_toc_f0(struct cd_softc *, int, int, void *, int, int, int);
129 static int cd_get_parms(struct cd_softc *, int);
130 static int cd_load_toc(struct cd_softc *, struct cd_toc *, int);
131 static int cdreadmsaddr(struct cd_softc *, int *);
132
133 static int dvd_auth(struct cd_softc *, dvd_authinfo *);
134 static int dvd_read_physical(struct cd_softc *, dvd_struct *);
135 static int dvd_read_copyright(struct cd_softc *, dvd_struct *);
136 static int dvd_read_disckey(struct cd_softc *, dvd_struct *);
137 static int dvd_read_bca(struct cd_softc *, dvd_struct *);
138 static int dvd_read_manufact(struct cd_softc *, dvd_struct *);
139 static int dvd_read_struct(struct cd_softc *, dvd_struct *);
140
141 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int,
142 int, int *);
143 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t,
144 int, int);
145 static int cd_setchan(struct cd_softc *, int, int, int, int, int);
146 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int);
147 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int);
148 static int cd_set_pa_immed(struct cd_softc *, int);
149 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *);
150 static int cd_setblksize(struct cd_softc *);
151
152 static int cdmatch(struct device *, struct cfdata *, void *);
153 static void cdattach(struct device *, struct device *, void *);
154 static int cdactivate(struct device *, enum devact);
155 static int cddetach(struct device *, int);
156
157 CFATTACH_DECL(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach,
158 cdactivate);
159
160 extern struct cfdriver cd_cd;
161
162 static const struct scsipi_inquiry_pattern cd_patterns[] = {
163 {T_CDROM, T_REMOV,
164 "", "", ""},
165 {T_WORM, T_REMOV,
166 "", "", ""},
167 #if 0
168 {T_CDROM, T_REMOV, /* more luns */
169 "PIONEER ", "CD-ROM DRM-600 ", ""},
170 #endif
171 {T_DIRECT, T_REMOV,
172 "NEC CD-ROM DRIVE:260", "", ""},
173 };
174
175 static dev_type_open(cdopen);
176 static dev_type_close(cdclose);
177 static dev_type_read(cdread);
178 static dev_type_write(cdwrite);
179 static dev_type_ioctl(cdioctl);
180 static dev_type_strategy(cdstrategy);
181 static dev_type_dump(cddump);
182 static dev_type_size(cdsize);
183
184 const struct bdevsw cd_bdevsw = {
185 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK
186 };
187
188 const struct cdevsw cd_cdevsw = {
189 cdopen, cdclose, cdread, cdwrite, cdioctl,
190 nostop, notty, nopoll, nommap, nokqfilter, D_DISK
191 };
192
193 static struct dkdriver cddkdriver = { cdstrategy };
194
195 static const struct scsipi_periphsw cd_switch = {
196 cd_interpret_sense, /* use our error handler first */
197 cdstart, /* we have a queue, which is started by this */
198 NULL, /* we do not have an async handler */
199 cddone, /* deal with stats at interrupt time */
200 };
201
202 /*
203 * The routine called by the low level scsi routine when it discovers
204 * A device suitable for this driver
205 */
206 static int
207 cdmatch(struct device *parent, struct cfdata *match, void *aux)
208 {
209 struct scsipibus_attach_args *sa = aux;
210 int priority;
211
212 (void)scsipi_inqmatch(&sa->sa_inqbuf,
213 (caddr_t)cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]),
214 sizeof(cd_patterns[0]), &priority);
215
216 return (priority);
217 }
218
219 static void
220 cdattach(struct device *parent, struct device *self, void *aux)
221 {
222 struct cd_softc *cd = (void *)self;
223 struct scsipibus_attach_args *sa = aux;
224 struct scsipi_periph *periph = sa->sa_periph;
225
226 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: "));
227
228 lockinit(&cd->sc_lock, PRIBIO | PCATCH, "cdlock", 0, 0);
229
230 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI &&
231 periph->periph_version == 0)
232 cd->flags |= CDF_ANCIENT;
233
234 bufq_alloc(&cd->buf_queue, BUFQ_DISKSORT|BUFQ_SORT_RAWBLOCK);
235
236 callout_init(&cd->sc_callout);
237
238 /*
239 * Store information needed to contact our base driver
240 */
241 cd->sc_periph = periph;
242
243 periph->periph_dev = &cd->sc_dev;
244 periph->periph_switch = &cd_switch;
245
246 /*
247 * Increase our openings to the maximum-per-periph
248 * supported by the adapter. This will either be
249 * clamped down or grown by the adapter if necessary.
250 */
251 periph->periph_openings =
252 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel);
253 periph->periph_flags |= PERIPH_GROW_OPENINGS;
254
255 /*
256 * Initialize and attach the disk structure.
257 */
258 cd->sc_dk.dk_driver = &cddkdriver;
259 cd->sc_dk.dk_name = cd->sc_dev.dv_xname;
260 disk_attach(&cd->sc_dk);
261
262 printf("\n");
263
264 #if NRND > 0
265 rnd_attach_source(&cd->rnd_source, cd->sc_dev.dv_xname,
266 RND_TYPE_DISK, 0);
267 #endif
268 }
269
270 static int
271 cdactivate(struct device *self, enum devact act)
272 {
273 int rv = 0;
274
275 switch (act) {
276 case DVACT_ACTIVATE:
277 rv = EOPNOTSUPP;
278 break;
279
280 case DVACT_DEACTIVATE:
281 /*
282 * Nothing to do; we key off the device's DVF_ACTIVE.
283 */
284 break;
285 }
286 return (rv);
287 }
288
289 static int
290 cddetach(struct device *self, int flags)
291 {
292 struct cd_softc *cd = (struct cd_softc *) self;
293 int s, bmaj, cmaj, i, mn;
294
295 /* locate the major number */
296 bmaj = bdevsw_lookup_major(&cd_bdevsw);
297 cmaj = cdevsw_lookup_major(&cd_cdevsw);
298
299 /* Nuke the vnodes for any open instances */
300 for (i = 0; i < MAXPARTITIONS; i++) {
301 mn = CDMINOR(self->dv_unit, i);
302 vdevgone(bmaj, mn, mn, VBLK);
303 vdevgone(cmaj, mn, mn, VCHR);
304 }
305
306 /* kill any pending restart */
307 callout_stop(&cd->sc_callout);
308
309 s = splbio();
310
311 /* Kill off any queued buffers. */
312 bufq_drain(&cd->buf_queue);
313
314 bufq_free(&cd->buf_queue);
315
316 /* Kill off any pending commands. */
317 scsipi_kill_pending(cd->sc_periph);
318
319 splx(s);
320
321 lockmgr(&cd->sc_lock, LK_DRAIN, 0);
322
323 /* Detach from the disk list. */
324 disk_detach(&cd->sc_dk);
325
326 #if 0
327 /* Get rid of the shutdown hook. */
328 if (cd->sc_sdhook != NULL)
329 shutdownhook_disestablish(cd->sc_sdhook);
330 #endif
331
332 #if NRND > 0
333 /* Unhook the entropy source. */
334 rnd_detach_source(&cd->rnd_source);
335 #endif
336
337 return (0);
338 }
339
340 /*
341 * open the device. Make sure the partition info is a up-to-date as can be.
342 */
343 static int
344 cdopen(dev_t dev, int flag, int fmt, struct proc *p)
345 {
346 struct cd_softc *cd;
347 struct scsipi_periph *periph;
348 struct scsipi_adapter *adapt;
349 int unit, part;
350 int error;
351 int rawpart;
352
353 unit = CDUNIT(dev);
354 if (unit >= cd_cd.cd_ndevs)
355 return (ENXIO);
356 cd = cd_cd.cd_devs[unit];
357 if (cd == NULL)
358 return (ENXIO);
359
360 periph = cd->sc_periph;
361 adapt = periph->periph_channel->chan_adapter;
362 part = CDPART(dev);
363
364 SC_DEBUG(periph, SCSIPI_DB1,
365 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit,
366 cd_cd.cd_ndevs, CDPART(dev)));
367
368 /*
369 * If this is the first open of this device, add a reference
370 * to the adapter.
371 */
372 if (cd->sc_dk.dk_openmask == 0 &&
373 (error = scsipi_adapter_addref(adapt)) != 0)
374 return (error);
375
376 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
377 goto bad4;
378
379 rawpart = (part == RAW_PART && fmt == S_IFCHR);
380 if ((periph->periph_flags & PERIPH_OPEN) != 0) {
381 /*
382 * If any partition is open, but the disk has been invalidated,
383 * disallow further opens.
384 */
385 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 &&
386 !rawpart) {
387 error = EIO;
388 goto bad3;
389 }
390 } else {
391 int silent;
392
393 if (rawpart)
394 silent = XS_CTL_SILENT;
395 else
396 silent = 0;
397
398 /* Check that it is still responding and ok. */
399 error = scsipi_test_unit_ready(periph,
400 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE |
401 silent);
402
403 /*
404 * Start the pack spinning if necessary. Always allow the
405 * raw parition to be opened, for raw IOCTLs. Data transfers
406 * will check for SDEV_MEDIA_LOADED.
407 */
408 if (error == EIO) {
409 int error2;
410
411 error2 = scsipi_start(periph, SSS_START, silent);
412 switch (error2) {
413 case 0:
414 error = 0;
415 break;
416 case EIO:
417 case EINVAL:
418 break;
419 default:
420 error = error2;
421 break;
422 }
423 }
424 if (error) {
425 if (rawpart)
426 goto out;
427 goto bad3;
428 }
429
430 periph->periph_flags |= PERIPH_OPEN;
431
432 /* Lock the pack in. */
433 error = scsipi_prevent(periph, SPAMR_PREVENT_DT,
434 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE);
435 SC_DEBUG(periph, SCSIPI_DB1,
436 ("cdopen: scsipi_prevent, error=%d\n", error));
437 if (error) {
438 if (rawpart)
439 goto out;
440 goto bad;
441 }
442
443 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
444 /* Load the physical device parameters. */
445 if (cd_get_parms(cd, 0) != 0) {
446 if (rawpart)
447 goto out;
448 error = ENXIO;
449 goto bad;
450 }
451 periph->periph_flags |= PERIPH_MEDIA_LOADED;
452 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded "));
453
454 /* Fabricate a disk label. */
455 cdgetdisklabel(cd);
456 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated "));
457 }
458 }
459
460 /* Check that the partition exists. */
461 if (part != RAW_PART &&
462 (part >= cd->sc_dk.dk_label->d_npartitions ||
463 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) {
464 error = ENXIO;
465 goto bad;
466 }
467
468 out: /* Insure only one open at a time. */
469 switch (fmt) {
470 case S_IFCHR:
471 cd->sc_dk.dk_copenmask |= (1 << part);
472 break;
473 case S_IFBLK:
474 cd->sc_dk.dk_bopenmask |= (1 << part);
475 break;
476 }
477 cd->sc_dk.dk_openmask =
478 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask;
479
480 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n"));
481 lockmgr(&cd->sc_lock, LK_RELEASE, NULL);
482 return (0);
483
484 periph->periph_flags &= ~PERIPH_MEDIA_LOADED;
485
486 bad:
487 if (cd->sc_dk.dk_openmask == 0) {
488 scsipi_prevent(periph, SPAMR_ALLOW,
489 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE);
490 periph->periph_flags &= ~PERIPH_OPEN;
491 }
492
493 bad3:
494 lockmgr(&cd->sc_lock, LK_RELEASE, NULL);
495 bad4:
496 if (cd->sc_dk.dk_openmask == 0)
497 scsipi_adapter_delref(adapt);
498 return (error);
499 }
500
501 /*
502 * close the device.. only called if we are the LAST
503 * occurence of an open device
504 */
505 static int
506 cdclose(dev_t dev, int flag, int fmt, struct proc *p)
507 {
508 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)];
509 struct scsipi_periph *periph = cd->sc_periph;
510 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter;
511 int part = CDPART(dev);
512 int error;
513
514 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
515 return (error);
516
517 switch (fmt) {
518 case S_IFCHR:
519 cd->sc_dk.dk_copenmask &= ~(1 << part);
520 break;
521 case S_IFBLK:
522 cd->sc_dk.dk_bopenmask &= ~(1 << part);
523 break;
524 }
525 cd->sc_dk.dk_openmask =
526 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask;
527
528 if (cd->sc_dk.dk_openmask == 0) {
529 scsipi_wait_drain(periph);
530
531 scsipi_prevent(periph, SPAMR_ALLOW,
532 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE |
533 XS_CTL_IGNORE_NOT_READY);
534 periph->periph_flags &= ~PERIPH_OPEN;
535
536 scsipi_wait_drain(periph);
537
538 scsipi_adapter_delref(adapt);
539 }
540
541 lockmgr(&cd->sc_lock, LK_RELEASE, NULL);
542 return (0);
543 }
544
545 /*
546 * Actually translate the requested transfer into one the physical driver can
547 * understand. The transfer is described by a buf and will include only one
548 * physical transfer.
549 */
550 static void
551 cdstrategy(struct buf *bp)
552 {
553 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)];
554 struct disklabel *lp;
555 struct scsipi_periph *periph = cd->sc_periph;
556 daddr_t blkno;
557 int s;
558
559 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy "));
560 SC_DEBUG(cd->sc_periph, SCSIPI_DB1,
561 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno));
562 /*
563 * If the device has been made invalid, error out
564 * maybe the media changed
565 */
566 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
567 if (periph->periph_flags & PERIPH_OPEN)
568 bp->b_error = EIO;
569 else
570 bp->b_error = ENODEV;
571 goto bad;
572 }
573
574 lp = cd->sc_dk.dk_label;
575
576 /*
577 * The transfer must be a whole number of blocks, offset must not
578 * be negative.
579 */
580 if ((bp->b_bcount % lp->d_secsize) != 0 ||
581 bp->b_blkno < 0 ) {
582 bp->b_error = EINVAL;
583 goto bad;
584 }
585 /*
586 * If it's a null transfer, return immediately
587 */
588 if (bp->b_bcount == 0)
589 goto done;
590
591 /*
592 * Do bounds checking, adjust transfer. if error, process.
593 * If end of partition, just return.
594 */
595 if (CDPART(bp->b_dev) == RAW_PART) {
596 if (bounds_check_with_mediasize(bp, DEV_BSIZE,
597 cd->params.disksize512) <= 0)
598 goto done;
599 } else {
600 if (bounds_check_with_label(&cd->sc_dk, bp,
601 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0)
602 goto done;
603 }
604
605 /*
606 * Now convert the block number to absolute and put it in
607 * terms of the device's logical block size.
608 */
609 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE);
610 if (CDPART(bp->b_dev) != RAW_PART)
611 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset;
612
613 bp->b_rawblkno = blkno;
614
615 /*
616 * If the disklabel sector size does not match the device
617 * sector size we may need to do some extra work.
618 */
619 if (lp->d_secsize != cd->params.blksize) {
620
621 /*
622 * If the xfer is not a multiple of the device block size
623 * or it is not block aligned, we need to bounce it.
624 */
625 if ((bp->b_bcount % cd->params.blksize) != 0 ||
626 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) {
627 struct buf *nbp;
628 void *bounce = NULL;
629 long count;
630
631 if ((bp->b_flags & B_READ) == 0) {
632
633 /* XXXX We don't support bouncing writes. */
634 bp->b_error = EACCES;
635 goto bad;
636 }
637 count = ((blkno * lp->d_secsize) % cd->params.blksize);
638 /* XXX Store starting offset in bp->b_rawblkno */
639 bp->b_rawblkno = count;
640
641 count += bp->b_bcount;
642 count = roundup(count, cd->params.blksize);
643
644 blkno = ((blkno * lp->d_secsize) / cd->params.blksize);
645 s = splbio();
646 nbp = pool_get(&bufpool, PR_NOWAIT);
647 splx(s);
648 if (!nbp) {
649 /* No memory -- fail the iop. */
650 bp->b_error = ENOMEM;
651 goto bad;
652 }
653 bounce = malloc(count, M_DEVBUF, M_NOWAIT);
654 if (!bounce) {
655 /* No memory -- fail the iop. */
656 s = splbio();
657 pool_put(&bufpool, nbp);
658 splx(s);
659 bp->b_error = ENOMEM;
660 goto bad;
661 }
662
663 /* Set up the IOP to the bounce buffer. */
664 BUF_INIT(nbp);
665 nbp->b_error = 0;
666 nbp->b_proc = bp->b_proc;
667 nbp->b_vp = NULLVP;
668
669 nbp->b_bcount = count;
670 nbp->b_bufsize = count;
671 nbp->b_data = bounce;
672
673 nbp->b_rawblkno = blkno;
674
675 /* We need to do a read-modify-write operation */
676 nbp->b_flags = bp->b_flags | B_READ | B_CALL;
677 nbp->b_iodone = cdbounce;
678
679 /* Put ptr to orig buf in b_private and use new buf */
680 nbp->b_private = bp;
681
682 BIO_COPYPRIO(nbp, bp);
683
684 bp = nbp;
685
686 } else {
687 /* Xfer is aligned -- just adjust the start block */
688 bp->b_rawblkno = (blkno * lp->d_secsize) /
689 cd->params.blksize;
690 }
691 }
692 s = splbio();
693
694 /*
695 * Place it in the queue of disk activities for this disk.
696 *
697 * XXX Only do disksort() if the current operating mode does not
698 * XXX include tagged queueing.
699 */
700 BUFQ_PUT(&cd->buf_queue, bp);
701
702 /*
703 * Tell the device to get going on the transfer if it's
704 * not doing anything, otherwise just wait for completion
705 */
706 cdstart(cd->sc_periph);
707
708 splx(s);
709 return;
710
711 bad:
712 bp->b_flags |= B_ERROR;
713 done:
714 /*
715 * Correctly set the buf to indicate a completed xfer
716 */
717 bp->b_resid = bp->b_bcount;
718 biodone(bp);
719 }
720
721 /*
722 * cdstart looks to see if there is a buf waiting for the device
723 * and that the device is not already busy. If both are true,
724 * It deques the buf and creates a scsi command to perform the
725 * transfer in the buf. The transfer request will call scsipi_done
726 * on completion, which will in turn call this routine again
727 * so that the next queued transfer is performed.
728 * The bufs are queued by the strategy routine (cdstrategy)
729 *
730 * This routine is also called after other non-queued requests
731 * have been made of the scsi driver, to ensure that the queue
732 * continues to be drained.
733 *
734 * must be called at the correct (highish) spl level
735 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done
736 */
737 static void
738 cdstart(struct scsipi_periph *periph)
739 {
740 struct cd_softc *cd = (void *)periph->periph_dev;
741 struct buf *bp = 0;
742 struct scsipi_rw_10 cmd_big;
743 struct scsi_rw_6 cmd_small;
744 struct scsipi_generic *cmdp;
745 struct scsipi_xfer *xs;
746 int flags, nblks, cmdlen, error;
747
748 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart "));
749 /*
750 * Check if the device has room for another command
751 */
752 while (periph->periph_active < periph->periph_openings) {
753 /*
754 * there is excess capacity, but a special waits
755 * It'll need the adapter as soon as we clear out of the
756 * way and let it run (user level wait).
757 */
758 if (periph->periph_flags & PERIPH_WAITING) {
759 periph->periph_flags &= ~PERIPH_WAITING;
760 wakeup((caddr_t)periph);
761 return;
762 }
763
764 /*
765 * If the device has become invalid, abort all the
766 * reads and writes until all files have been closed and
767 * re-opened
768 */
769 if (__predict_false(
770 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) {
771 if ((bp = BUFQ_GET(&cd->buf_queue)) != NULL) {
772 bp->b_error = EIO;
773 bp->b_flags |= B_ERROR;
774 bp->b_resid = bp->b_bcount;
775 biodone(bp);
776 continue;
777 } else {
778 return;
779 }
780 }
781
782 /*
783 * See if there is a buf with work for us to do..
784 */
785 if ((bp = BUFQ_PEEK(&cd->buf_queue)) == NULL)
786 return;
787
788 /*
789 * We have a buf, now we should make a command.
790 */
791
792 nblks = howmany(bp->b_bcount, cd->params.blksize);
793
794 /*
795 * Fill out the scsi command. If the transfer will
796 * fit in a "small" cdb, use it.
797 */
798 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) &&
799 ((nblks & 0xff) == nblks) &&
800 !(periph->periph_quirks & PQUIRK_ONLYBIG)) {
801 /*
802 * We can fit in a small cdb.
803 */
804 memset(&cmd_small, 0, sizeof(cmd_small));
805 cmd_small.opcode = (bp->b_flags & B_READ) ?
806 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND;
807 _lto3b(bp->b_rawblkno, cmd_small.addr);
808 cmd_small.length = nblks & 0xff;
809 cmdlen = sizeof(cmd_small);
810 cmdp = (struct scsipi_generic *)&cmd_small;
811 } else {
812 /*
813 * Need a large cdb.
814 */
815 memset(&cmd_big, 0, sizeof(cmd_big));
816 cmd_big.opcode = (bp->b_flags & B_READ) ?
817 READ_10 : WRITE_10;
818 _lto4b(bp->b_rawblkno, cmd_big.addr);
819 _lto2b(nblks, cmd_big.length);
820 cmdlen = sizeof(cmd_big);
821 cmdp = (struct scsipi_generic *)&cmd_big;
822 }
823
824 /* Instrumentation. */
825 disk_busy(&cd->sc_dk);
826
827 /*
828 * Figure out what flags to use.
829 */
830 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG;
831 if (bp->b_flags & B_READ)
832 flags |= XS_CTL_DATA_IN;
833 else
834 flags |= XS_CTL_DATA_OUT;
835
836 /*
837 * Call the routine that chats with the adapter.
838 * Note: we cannot sleep as we may be an interrupt
839 */
840 xs = scsipi_make_xs(periph, cmdp, cmdlen,
841 (u_char *)bp->b_data, bp->b_bcount,
842 CDRETRIES, 30000, bp, flags);
843 if (__predict_false(xs == NULL)) {
844 /*
845 * out of memory. Keep this buffer in the queue, and
846 * retry later.
847 */
848 callout_reset(&cd->sc_callout, hz / 2, cdrestart,
849 periph);
850 return;
851 }
852 /*
853 * need to dequeue the buffer before queuing the command,
854 * because cdstart may be called recursively from the
855 * HBA driver
856 */
857 #ifdef DIAGNOSTIC
858 if (BUFQ_GET(&cd->buf_queue) != bp)
859 panic("cdstart(): dequeued wrong buf");
860 #else
861 BUFQ_GET(&cd->buf_queue);
862 #endif
863 error = scsipi_execute_xs(xs);
864 /* with a scsipi_xfer preallocated, scsipi_command can't fail */
865 KASSERT(error == 0);
866 }
867 }
868
869 static void
870 cdrestart(void *v)
871 {
872 int s = splbio();
873 cdstart((struct scsipi_periph *)v);
874 splx(s);
875 }
876
877 static void
878 cddone(struct scsipi_xfer *xs, int error)
879 {
880 struct cd_softc *cd = (void *)xs->xs_periph->periph_dev;
881 struct buf *bp = xs->bp;
882
883 if (bp) {
884 bp->b_error = error;
885 bp->b_resid = xs->resid;
886 if (error)
887 bp->b_flags |= B_ERROR;
888
889 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid,
890 (bp->b_flags & B_READ));
891 #if NRND > 0
892 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno);
893 #endif
894
895 biodone(bp);
896 }
897 }
898
899 static void
900 cdbounce(struct buf *bp)
901 {
902 struct buf *obp = (struct buf *)bp->b_private;
903
904 if (bp->b_flags & B_ERROR) {
905 /* EEK propagate the error and free the memory */
906 goto done;
907 }
908 if (obp->b_flags & B_READ) {
909 /* Copy data to the final destination and free the buf. */
910 memcpy(obp->b_data, bp->b_data+obp->b_rawblkno,
911 obp->b_bcount);
912 } else {
913 /*
914 * XXXX This is a CD-ROM -- READ ONLY -- why do we bother with
915 * XXXX any of this write stuff?
916 */
917 if (bp->b_flags & B_READ) {
918 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)];
919 struct buf *nbp;
920 int s;
921
922 /* Read part of RMW complete. */
923 memcpy(bp->b_data+obp->b_rawblkno, obp->b_data,
924 obp->b_bcount);
925
926 s = splbio();
927
928 /* We need to alloc a new buf. */
929 nbp = pool_get(&bufpool, PR_NOWAIT);
930 if (!nbp) {
931 splx(s);
932 /* No buf available. */
933 bp->b_flags |= B_ERROR;
934 bp->b_error = ENOMEM;
935 bp->b_resid = bp->b_bcount;
936 }
937
938 /* Set up the IOP to the bounce buffer. */
939 BUF_INIT(nbp);
940 nbp->b_error = 0;
941 nbp->b_proc = bp->b_proc;
942 nbp->b_vp = NULLVP;
943
944 nbp->b_bcount = bp->b_bcount;
945 nbp->b_bufsize = bp->b_bufsize;
946 nbp->b_data = bp->b_data;
947
948 nbp->b_rawblkno = bp->b_rawblkno;
949
950 /* We need to do a read-modify-write operation */
951 nbp->b_flags = obp->b_flags | B_CALL;
952 nbp->b_iodone = cdbounce;
953
954 /* Put ptr to orig buf in b_private and use new buf */
955 nbp->b_private = obp;
956
957 /*
958 * Place it in the queue of disk activities for this
959 * disk.
960 *
961 * XXX Only do disksort() if the current operating mode
962 * XXX does not include tagged queueing.
963 */
964 BUFQ_PUT(&cd->buf_queue, nbp);
965
966 /*
967 * Tell the device to get going on the transfer if it's
968 * not doing anything, otherwise just wait for
969 * completion
970 */
971 cdstart(cd->sc_periph);
972
973 splx(s);
974 return;
975
976 }
977 }
978 done:
979 obp->b_flags |= (bp->b_flags&(B_EINTR|B_ERROR));
980 obp->b_error = bp->b_error;
981 obp->b_resid = bp->b_resid;
982 free(bp->b_data, M_DEVBUF);
983 biodone(obp);
984 }
985
986 static int
987 cd_interpret_sense(struct scsipi_xfer *xs)
988 {
989 struct scsipi_periph *periph = xs->xs_periph;
990 struct scsi_sense_data *sense = &xs->sense.scsi_sense;
991 int retval = EJUSTRETURN;
992
993 /*
994 * If it isn't a extended or extended/deferred error, let
995 * the generic code handle it.
996 */
997 if ((sense->response_code & SSD_RCODE_VALID) == 0 ||
998 (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT &&
999 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED))
1000 return (retval);
1001
1002 /*
1003 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit
1004 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then
1005 * wait a bit for the drive to spin up
1006 */
1007
1008 if (SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY &&
1009 sense->asc == 0x4 &&
1010 sense->ascq == 0x01) {
1011 /*
1012 * Sleep for 5 seconds to wait for the drive to spin up
1013 */
1014
1015 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD "
1016 "spinup\n"));
1017 if (!callout_pending(&periph->periph_callout))
1018 scsipi_periph_freeze(periph, 1);
1019 callout_reset(&periph->periph_callout,
1020 5 * hz, scsipi_periph_timed_thaw, periph);
1021 retval = ERESTART;
1022 }
1023 return (retval);
1024 }
1025
1026 static void
1027 cdminphys(struct buf *bp)
1028 {
1029 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)];
1030 long max;
1031
1032 /*
1033 * If the device is ancient, we want to make sure that
1034 * the transfer fits into a 6-byte cdb.
1035 *
1036 * XXX Note that the SCSI-I spec says that 256-block transfers
1037 * are allowed in a 6-byte read/write, and are specified
1038 * by settng the "length" to 0. However, we're conservative
1039 * here, allowing only 255-block transfers in case an
1040 * ancient device gets confused by length == 0. A length of 0
1041 * in a 10-byte read/write actually means 0 blocks.
1042 */
1043 if (cd->flags & CDF_ANCIENT) {
1044 max = cd->sc_dk.dk_label->d_secsize * 0xff;
1045
1046 if (bp->b_bcount > max)
1047 bp->b_bcount = max;
1048 }
1049
1050 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp);
1051 }
1052
1053 static int
1054 cdread(dev_t dev, struct uio *uio, int ioflag)
1055 {
1056
1057 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio));
1058 }
1059
1060 static int
1061 cdwrite(dev_t dev, struct uio *uio, int ioflag)
1062 {
1063
1064 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio));
1065 }
1066
1067 #if 0 /* XXX Not used */
1068 /*
1069 * conversion between minute-seconde-frame and logical block address
1070 * addresses format
1071 */
1072 static void
1073 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f)
1074 {
1075 u_long tmp;
1076
1077 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */
1078 tmp &= 0xffffff; /* negative lbas use only 24 bits */
1079 *m = tmp / (CD_SECS * CD_FRAMES);
1080 tmp %= (CD_SECS * CD_FRAMES);
1081 *s = tmp / CD_FRAMES;
1082 *f = tmp % CD_FRAMES;
1083 }
1084
1085 static u_long
1086 msf2lba(u_char m, u_char s, u_char f)
1087 {
1088
1089 return ((((m * CD_SECS) + s) * CD_FRAMES + f) - CD_BLOCK_OFFSET);
1090 }
1091 #endif /* XXX Not used */
1092
1093 static int
1094 cdreadmsaddr(struct cd_softc *cd, int *addr)
1095 {
1096 struct scsipi_periph *periph = cd->sc_periph;
1097 int error;
1098 struct cd_toc toc;
1099 struct cd_toc_entry *cte;
1100
1101 error = cd_read_toc_f0(cd, 0, 0, &toc,
1102 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry),
1103 XS_CTL_DATA_ONSTACK,
1104 0x40 /* control word for "get MS info" */);
1105
1106 if (error)
1107 return (error);
1108
1109 cte = &toc.entries[0];
1110 if (periph->periph_quirks & PQUIRK_LITTLETOC) {
1111 cte->addr.lba = le32toh(cte->addr.lba);
1112 toc.header.len = le16toh(toc.header.len);
1113 } else {
1114 cte->addr.lba = be32toh(cte->addr.lba);
1115 toc.header.len = be16toh(toc.header.len);
1116 }
1117
1118 *addr = (toc.header.len >= 10 && cte->track > 1) ?
1119 cte->addr.lba : 0;
1120 return 0;
1121 }
1122
1123 /*
1124 * Perform special action on behalf of the user.
1125 * Knows about the internals of this device
1126 */
1127 static int
1128 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
1129 {
1130 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)];
1131 struct scsipi_periph *periph = cd->sc_periph;
1132 int part = CDPART(dev);
1133 int error = 0;
1134 #ifdef __HAVE_OLD_DISKLABEL
1135 struct disklabel *newlabel = NULL;
1136 #endif
1137
1138 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd));
1139
1140 /*
1141 * If the device is not valid, some IOCTLs can still be
1142 * handled on the raw partition. Check this here.
1143 */
1144 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
1145 switch (cmd) {
1146 case DIOCWLABEL:
1147 case DIOCLOCK:
1148 case ODIOCEJECT:
1149 case DIOCEJECT:
1150 case SCIOCIDENTIFY:
1151 case OSCIOCIDENTIFY:
1152 case SCIOCCOMMAND:
1153 case SCIOCDEBUG:
1154 case CDIOCGETVOL:
1155 case CDIOCSETVOL:
1156 case CDIOCSETMONO:
1157 case CDIOCSETSTEREO:
1158 case CDIOCSETMUTE:
1159 case CDIOCSETLEFT:
1160 case CDIOCSETRIGHT:
1161 case CDIOCCLOSE:
1162 case CDIOCEJECT:
1163 case CDIOCALLOW:
1164 case CDIOCPREVENT:
1165 case CDIOCSETDEBUG:
1166 case CDIOCCLRDEBUG:
1167 case CDIOCRESET:
1168 case SCIOCRESET:
1169 case CDIOCLOADUNLOAD:
1170 case DVD_AUTH:
1171 case DVD_READ_STRUCT:
1172 if (part == RAW_PART)
1173 break;
1174 /* FALLTHROUGH */
1175 default:
1176 if ((periph->periph_flags & PERIPH_OPEN) == 0)
1177 return (ENODEV);
1178 else
1179 return (EIO);
1180 }
1181 }
1182
1183 switch (cmd) {
1184 case DIOCGDINFO:
1185 *(struct disklabel *)addr = *(cd->sc_dk.dk_label);
1186 return (0);
1187 #ifdef __HAVE_OLD_DISKLABEL
1188 case ODIOCGDINFO:
1189 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1190 if (newlabel == NULL)
1191 return (EIO);
1192 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel));
1193 if (newlabel->d_npartitions > OLDMAXPARTITIONS)
1194 error = ENOTTY;
1195 else
1196 memcpy(addr, newlabel, sizeof (struct olddisklabel));
1197 free(newlabel, M_TEMP);
1198 return error;
1199 #endif
1200
1201 case DIOCGPART:
1202 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label;
1203 ((struct partinfo *)addr)->part =
1204 &cd->sc_dk.dk_label->d_partitions[part];
1205 return (0);
1206
1207 case DIOCWDINFO:
1208 case DIOCSDINFO:
1209 #ifdef __HAVE_OLD_DISKLABEL
1210 case ODIOCWDINFO:
1211 case ODIOCSDINFO:
1212 #endif
1213 {
1214 struct disklabel *lp;
1215
1216 if ((flag & FWRITE) == 0)
1217 return (EBADF);
1218
1219 #ifdef __HAVE_OLD_DISKLABEL
1220 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) {
1221 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1222 if (newlabel == NULL)
1223 return (EIO);
1224 memset(newlabel, 0, sizeof newlabel);
1225 memcpy(newlabel, addr, sizeof (struct olddisklabel));
1226 lp = newlabel;
1227 } else
1228 #endif
1229 lp = (struct disklabel *)addr;
1230
1231 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
1232 goto bad;
1233 cd->flags |= CDF_LABELLING;
1234
1235 error = setdisklabel(cd->sc_dk.dk_label,
1236 lp, /*cd->sc_dk.dk_openmask : */0,
1237 cd->sc_dk.dk_cpulabel);
1238 if (error == 0) {
1239 /* XXX ? */
1240 }
1241
1242 cd->flags &= ~CDF_LABELLING;
1243 lockmgr(&cd->sc_lock, LK_RELEASE, NULL);
1244 bad:
1245 #ifdef __HAVE_OLD_DISKLABEL
1246 if (newlabel != NULL)
1247 free(newlabel, M_TEMP);
1248 #endif
1249 return (error);
1250 }
1251
1252 case DIOCWLABEL:
1253 return (EBADF);
1254
1255 case DIOCGDEFLABEL:
1256 cdgetdefaultlabel(cd, (struct disklabel *)addr);
1257 return (0);
1258
1259 #ifdef __HAVE_OLD_DISKLABEL
1260 case ODIOCGDEFLABEL:
1261 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1262 if (newlabel == NULL)
1263 return (EIO);
1264 cdgetdefaultlabel(cd, newlabel);
1265 if (newlabel->d_npartitions > OLDMAXPARTITIONS)
1266 error = ENOTTY;
1267 else
1268 memcpy(addr, newlabel, sizeof (struct olddisklabel));
1269 free(newlabel, M_TEMP);
1270 return error;
1271 #endif
1272
1273 case CDIOCPLAYTRACKS: {
1274 struct ioc_play_track *args = (struct ioc_play_track *)addr;
1275
1276 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1277 return (error);
1278 return (cd_play_tracks(cd, args->start_track,
1279 args->start_index, args->end_track, args->end_index));
1280 }
1281 case CDIOCPLAYMSF: {
1282 struct ioc_play_msf *args = (struct ioc_play_msf *)addr;
1283
1284 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1285 return (error);
1286 return (cd_play_msf(cd, args->start_m, args->start_s,
1287 args->start_f, args->end_m, args->end_s, args->end_f));
1288 }
1289 case CDIOCPLAYBLOCKS: {
1290 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr;
1291
1292 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1293 return (error);
1294 return (cd_play(cd, args->blk, args->len));
1295 }
1296 case CDIOCREADSUBCHANNEL: {
1297 struct ioc_read_subchannel *args =
1298 (struct ioc_read_subchannel *)addr;
1299 struct cd_sub_channel_info data;
1300 u_int len = args->data_len;
1301
1302 if (len > sizeof(data) ||
1303 len < sizeof(struct cd_sub_channel_header))
1304 return (EINVAL);
1305 error = cd_read_subchannel(cd, args->address_format,
1306 args->data_format, args->track, &data, len,
1307 XS_CTL_DATA_ONSTACK);
1308 if (error)
1309 return (error);
1310 len = min(len, _2btol(data.header.data_len) +
1311 sizeof(struct cd_sub_channel_header));
1312 return (copyout(&data, args->data, len));
1313 }
1314 case CDIOREADTOCHEADER: {
1315 struct ioc_toc_header th;
1316
1317 if ((error = cd_read_toc_f0(cd, 0, 0, &th, sizeof(th),
1318 XS_CTL_DATA_ONSTACK, 0)) != 0)
1319 return (error);
1320 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1321 th.len = le16toh(th.len);
1322 else
1323 th.len = be16toh(th.len);
1324 memcpy(addr, &th, sizeof(th));
1325 return (0);
1326 }
1327 case CDIOREADTOCENTRYS: {
1328 struct cd_toc toc;
1329 struct ioc_read_toc_entry *te =
1330 (struct ioc_read_toc_entry *)addr;
1331 struct ioc_toc_header *th;
1332 struct cd_toc_entry *cte;
1333 u_int len = te->data_len;
1334 int ntracks;
1335
1336 th = &toc.header;
1337
1338 if (len > sizeof(toc.entries) ||
1339 len < sizeof(struct cd_toc_entry))
1340 return (EINVAL);
1341 error = cd_read_toc_f0(cd, te->address_format, te->starting_track,
1342 &toc, len + sizeof(struct ioc_toc_header),
1343 XS_CTL_DATA_ONSTACK, 0);
1344 if (error)
1345 return (error);
1346 if (te->address_format == CD_LBA_FORMAT)
1347 for (ntracks =
1348 th->ending_track - th->starting_track + 1;
1349 ntracks >= 0; ntracks--) {
1350 cte = &toc.entries[ntracks];
1351 cte->addr_type = CD_LBA_FORMAT;
1352 if (periph->periph_quirks & PQUIRK_LITTLETOC)
1353 cte->addr.lba = le32toh(cte->addr.lba);
1354 else
1355 cte->addr.lba = be32toh(cte->addr.lba);
1356 }
1357 if (periph->periph_quirks & PQUIRK_LITTLETOC)
1358 th->len = le16toh(th->len);
1359 else
1360 th->len = be16toh(th->len);
1361 len = min(len, th->len - (sizeof(th->starting_track) +
1362 sizeof(th->ending_track)));
1363 return (copyout(toc.entries, te->data, len));
1364 }
1365 case CDIOREADMSADDR: {
1366 int sessno = *(int*)addr;
1367
1368 if (sessno != 0)
1369 return (EINVAL);
1370
1371 return (cdreadmsaddr(cd, (int*)addr));
1372 }
1373 case CDIOCSETPATCH: {
1374 struct ioc_patch *arg = (struct ioc_patch *)addr;
1375
1376 return (cd_setchan(cd, arg->patch[0], arg->patch[1],
1377 arg->patch[2], arg->patch[3], 0));
1378 }
1379 case CDIOCGETVOL: {
1380 struct ioc_vol *arg = (struct ioc_vol *)addr;
1381
1382 return (cd_getvol(cd, arg, 0));
1383 }
1384 case CDIOCSETVOL: {
1385 struct ioc_vol *arg = (struct ioc_vol *)addr;
1386
1387 return (cd_setvol(cd, arg, 0));
1388 }
1389
1390 case CDIOCSETMONO:
1391 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL,
1392 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1393
1394 case CDIOCSETSTEREO:
1395 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL,
1396 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1397
1398 case CDIOCSETMUTE:
1399 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL,
1400 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1401
1402 case CDIOCSETLEFT:
1403 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL,
1404 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1405
1406 case CDIOCSETRIGHT:
1407 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL,
1408 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1409
1410 case CDIOCRESUME:
1411 return (cd_pause(cd, PA_RESUME));
1412 case CDIOCPAUSE:
1413 return (cd_pause(cd, PA_PAUSE));
1414 case CDIOCSTART:
1415 return (scsipi_start(periph, SSS_START, 0));
1416 case CDIOCSTOP:
1417 return (scsipi_start(periph, SSS_STOP, 0));
1418 case CDIOCCLOSE:
1419 return (scsipi_start(periph, SSS_START|SSS_LOEJ,
1420 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE));
1421 case DIOCEJECT:
1422 if (*(int *)addr == 0) {
1423 /*
1424 * Don't force eject: check that we are the only
1425 * partition open. If so, unlock it.
1426 */
1427 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 &&
1428 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask ==
1429 cd->sc_dk.dk_openmask) {
1430 error = scsipi_prevent(periph, SPAMR_ALLOW,
1431 XS_CTL_IGNORE_NOT_READY);
1432 if (error)
1433 return (error);
1434 } else {
1435 return (EBUSY);
1436 }
1437 }
1438 /* FALLTHROUGH */
1439 case CDIOCEJECT: /* FALLTHROUGH */
1440 case ODIOCEJECT:
1441 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0));
1442 case CDIOCALLOW:
1443 return (scsipi_prevent(periph, SPAMR_ALLOW, 0));
1444 case CDIOCPREVENT:
1445 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0));
1446 case DIOCLOCK:
1447 return (scsipi_prevent(periph,
1448 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0));
1449 case CDIOCSETDEBUG:
1450 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2);
1451 return (0);
1452 case CDIOCCLRDEBUG:
1453 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2);
1454 return (0);
1455 case CDIOCRESET:
1456 case SCIOCRESET:
1457 return (cd_reset(cd));
1458 case CDIOCLOADUNLOAD:
1459 return (cd_load_unload(cd, (struct ioc_load_unload *)addr));
1460 case DVD_AUTH:
1461 return (dvd_auth(cd, (dvd_authinfo *)addr));
1462 case DVD_READ_STRUCT:
1463 return (dvd_read_struct(cd, (dvd_struct *)addr));
1464
1465 default:
1466 if (part != RAW_PART)
1467 return (ENOTTY);
1468 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, p));
1469 }
1470
1471 #ifdef DIAGNOSTIC
1472 panic("cdioctl: impossible");
1473 #endif
1474 }
1475
1476 static void
1477 cdgetdefaultlabel(struct cd_softc *cd, struct disklabel *lp)
1478 {
1479 int lastsession;
1480
1481 memset(lp, 0, sizeof(struct disklabel));
1482
1483 lp->d_secsize = cd->params.blksize;
1484 lp->d_ntracks = 1;
1485 lp->d_nsectors = 100;
1486 lp->d_ncylinders = (cd->params.disksize / 100) + 1;
1487 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
1488
1489 switch (scsipi_periph_bustype(cd->sc_periph)) {
1490 case SCSIPI_BUSTYPE_SCSI:
1491 lp->d_type = DTYPE_SCSI;
1492 break;
1493 case SCSIPI_BUSTYPE_ATAPI:
1494 lp->d_type = DTYPE_ATAPI;
1495 break;
1496 }
1497 /*
1498 * XXX
1499 * We could probe the mode pages to figure out what kind of disc it is.
1500 * Is this worthwhile?
1501 */
1502 strncpy(lp->d_typename, "mydisc", 16);
1503 strncpy(lp->d_packname, "fictitious", 16);
1504 lp->d_secperunit = cd->params.disksize;
1505 lp->d_rpm = 300;
1506 lp->d_interleave = 1;
1507 lp->d_flags = D_REMOVABLE;
1508
1509 if (cdreadmsaddr(cd, &lastsession) != 0)
1510 lastsession = 0;
1511
1512 lp->d_partitions[0].p_offset = 0;
1513 #ifdef notyet /* have to fix bounds_check_with_label() first */
1514 lp->d_partitions[0].p_size = lp->d_secperunit;
1515 #else
1516 lp->d_partitions[0].p_size =
1517 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
1518 #endif
1519 lp->d_partitions[0].p_cdsession = lastsession;
1520 lp->d_partitions[0].p_fstype = FS_ISO9660;
1521 lp->d_partitions[RAW_PART].p_offset = 0;
1522 #ifdef notyet
1523 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit;
1524 #else
1525 lp->d_partitions[RAW_PART].p_size =
1526 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
1527 #endif
1528 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660;
1529 lp->d_npartitions = RAW_PART + 1;
1530
1531 lp->d_magic = DISKMAGIC;
1532 lp->d_magic2 = DISKMAGIC;
1533 lp->d_checksum = dkcksum(lp);
1534 }
1535
1536 /*
1537 * Load the label information on the named device
1538 * Actually fabricate a disklabel
1539 *
1540 * EVENTUALLY take information about different
1541 * data tracks from the TOC and put it in the disklabel
1542 */
1543 static void
1544 cdgetdisklabel(struct cd_softc *cd)
1545 {
1546 struct disklabel *lp = cd->sc_dk.dk_label;
1547 const char *errstring;
1548
1549 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
1550
1551 cdgetdefaultlabel(cd, lp);
1552
1553 /*
1554 * Call the generic disklabel extraction routine
1555 */
1556 errstring = readdisklabel(MAKECDDEV(0, cd->sc_dev.dv_unit, RAW_PART),
1557 cdstrategy, lp, cd->sc_dk.dk_cpulabel);
1558 if (errstring) {
1559 printf("%s: %s\n", cd->sc_dev.dv_xname, errstring);
1560 goto error;
1561 }
1562 return;
1563
1564 error:
1565 /* Reset to default label -- should print a warning */
1566 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
1567
1568 cdgetdefaultlabel(cd, lp);
1569 }
1570
1571 /*
1572 * Find out from the device what it's capacity is
1573 */
1574 static u_long
1575 cd_size(struct cd_softc *cd, int flags)
1576 {
1577 struct scsipi_read_cd_capacity cmd;
1578 struct scsipi_read_cd_cap_data data;
1579 int blksize;
1580 u_long size;
1581
1582 if (cd->sc_periph->periph_quirks & PQUIRK_NOCAPACITY) {
1583 /*
1584 * the drive doesn't support the READ_CD_CAPACITY command
1585 * use a fake size
1586 */
1587 cd->params.blksize = 2048;
1588 cd->params.disksize = 400000;
1589 cd->params.disksize512 = 1600000;
1590 return (400000);
1591 }
1592
1593 /*
1594 * make up a scsi command and ask the scsi driver to do
1595 * it for you.
1596 */
1597 memset(&cmd, 0, sizeof(cmd));
1598 cmd.opcode = READ_CD_CAPACITY;
1599
1600 /*
1601 * If the command works, interpret the result as a 4 byte
1602 * number of blocks and a blocksize
1603 */
1604 if (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd),
1605 (void *)&data, sizeof(data), CDRETRIES, 30000, NULL,
1606 flags | XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK) != 0)
1607 return (0);
1608
1609 blksize = _4btol(data.length);
1610 if ((blksize < 512) || ((blksize & 511) != 0))
1611 blksize = 2048; /* some drives lie ! */
1612 if (blksize != 2048) {
1613 if (cd_setblksize(cd) == 0)
1614 blksize = 2048;
1615 }
1616 cd->params.blksize = blksize;
1617
1618 size = _4btol(data.addr) + 1;
1619 if (size < 100)
1620 size = 400000; /* ditto */
1621 cd->params.disksize = size;
1622 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE;
1623
1624 SC_DEBUG(cd->sc_periph, SCSIPI_DB2,
1625 ("cd_size: %d %ld\n", blksize, size));
1626 return (size);
1627 }
1628
1629 /*
1630 * Get scsi driver to send a "start playing" command
1631 */
1632 static int
1633 cd_play(struct cd_softc *cd, int blkno, int nblks)
1634 {
1635 struct scsipi_play cmd;
1636
1637 memset(&cmd, 0, sizeof(cmd));
1638 cmd.opcode = PLAY;
1639 _lto4b(blkno, cmd.blk_addr);
1640 _lto2b(nblks, cmd.xfer_len);
1641
1642 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1643 CDRETRIES, 30000, NULL, 0));
1644 }
1645
1646 /*
1647 * Get scsi driver to send a "start playing" command
1648 */
1649 static int
1650 cd_play_tracks(struct cd_softc *cd, int strack, int sindex, int etrack,
1651 int eindex)
1652 {
1653 struct cd_toc toc;
1654 int error;
1655
1656 if (!etrack)
1657 return (EIO);
1658 if (strack > etrack)
1659 return (EINVAL);
1660
1661 if ((error = cd_load_toc(cd, &toc, XS_CTL_DATA_ONSTACK)) != 0)
1662 return (error);
1663
1664 if (++etrack > (toc.header.ending_track+1))
1665 etrack = toc.header.ending_track+1;
1666
1667 strack -= toc.header.starting_track;
1668 etrack -= toc.header.starting_track;
1669 if (strack < 0)
1670 return (EINVAL);
1671
1672 return (cd_play_msf(cd, toc.entries[strack].addr.msf.minute,
1673 toc.entries[strack].addr.msf.second,
1674 toc.entries[strack].addr.msf.frame,
1675 toc.entries[etrack].addr.msf.minute,
1676 toc.entries[etrack].addr.msf.second,
1677 toc.entries[etrack].addr.msf.frame));
1678 }
1679
1680 /*
1681 * Get scsi driver to send a "play msf" command
1682 */
1683 static int
1684 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm,
1685 int ends, int endf)
1686 {
1687 struct scsipi_play_msf cmd;
1688
1689 memset(&cmd, 0, sizeof(cmd));
1690 cmd.opcode = PLAY_MSF;
1691 cmd.start_m = startm;
1692 cmd.start_s = starts;
1693 cmd.start_f = startf;
1694 cmd.end_m = endm;
1695 cmd.end_s = ends;
1696 cmd.end_f = endf;
1697
1698 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1699 CDRETRIES, 30000, NULL, 0));
1700 }
1701
1702 /*
1703 * Get scsi driver to send a "start up" command
1704 */
1705 static int
1706 cd_pause(struct cd_softc *cd, int go)
1707 {
1708 struct scsipi_pause cmd;
1709
1710 memset(&cmd, 0, sizeof(cmd));
1711 cmd.opcode = PAUSE;
1712 cmd.resume = go & 0xff;
1713
1714 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1715 CDRETRIES, 30000, NULL, 0));
1716 }
1717
1718 /*
1719 * Get scsi driver to send a "RESET" command
1720 */
1721 static int
1722 cd_reset(struct cd_softc *cd)
1723 {
1724
1725 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0,
1726 CDRETRIES, 30000, NULL, XS_CTL_RESET));
1727 }
1728
1729 /*
1730 * Read subchannel
1731 */
1732 static int
1733 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track,
1734 struct cd_sub_channel_info *data, int len, int flags)
1735 {
1736 struct scsipi_read_subchannel cmd;
1737
1738 memset(&cmd, 0, sizeof(cmd));
1739 cmd.opcode = READ_SUBCHANNEL;
1740 if (mode == CD_MSF_FORMAT)
1741 cmd.byte2 |= CD_MSF;
1742 cmd.byte3 = SRS_SUBQ;
1743 cmd.subchan_format = format;
1744 cmd.track = track;
1745 _lto2b(len, cmd.data_len);
1746
1747 return (scsipi_command(cd->sc_periph,
1748 (void *)&cmd, sizeof(struct scsipi_read_subchannel),
1749 (void *)data, len,
1750 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT));
1751 }
1752
1753 /*
1754 * Read table of contents
1755 */
1756 static int
1757 cd_read_toc_f0(struct cd_softc *cd, int mode, int start, void *data, int len,
1758 int flags, int control)
1759 {
1760 struct scsipi_read_toc cmd;
1761 int ntoc;
1762
1763 memset(&cmd, 0, sizeof(cmd));
1764 #if 0
1765 if (len != sizeof(struct ioc_toc_header))
1766 ntoc = ((len) - sizeof(struct ioc_toc_header)) /
1767 sizeof(struct cd_toc_entry);
1768 else
1769 #endif
1770 ntoc = len;
1771 cmd.opcode = READ_TOC;
1772 if (mode == CD_MSF_FORMAT)
1773 cmd.addr_mode |= CD_MSF;
1774 cmd.resp_format = 0;
1775 cmd.from_track = start;
1776 _lto2b(ntoc, cmd.data_len);
1777 cmd.control = control;
1778
1779 return (scsipi_command(cd->sc_periph,
1780 (void *)&cmd, sizeof(cmd), (void *)data, len, CDRETRIES,
1781 30000, NULL, flags | XS_CTL_DATA_IN));
1782 }
1783
1784 static int
1785 cd_load_toc(struct cd_softc *cd, struct cd_toc *toc, int flags)
1786 {
1787 int ntracks, len, error;
1788
1789 if ((error = cd_read_toc_f0(cd, 0, 0, toc, sizeof(toc->header),
1790 flags, 0)) != 0)
1791 return (error);
1792
1793 ntracks = toc->header.ending_track - toc->header.starting_track + 1;
1794 len = (ntracks + 1) * sizeof(struct cd_toc_entry) +
1795 sizeof(toc->header);
1796 if ((error = cd_read_toc_f0(cd, CD_MSF_FORMAT, 0, toc, len,
1797 flags, 0)) != 0)
1798 return (error);
1799 return (0);
1800 }
1801
1802 /*
1803 * Get the scsi driver to send a full inquiry to the device and use the
1804 * results to fill out the disk parameter structure.
1805 */
1806 static int
1807 cd_get_parms(struct cd_softc *cd, int flags)
1808 {
1809
1810 /*
1811 * give a number of sectors so that sec * trks * cyls
1812 * is <= disk_size
1813 */
1814 if (cd_size(cd, flags) == 0)
1815 return (ENXIO);
1816 return (0);
1817 }
1818
1819 static int
1820 cdsize(dev_t dev)
1821 {
1822
1823 /* CD-ROMs are read-only. */
1824 return (-1);
1825 }
1826
1827 static int
1828 cddump(dev_t dev, daddr_t blkno, caddr_t va, size_t size)
1829 {
1830
1831 /* Not implemented. */
1832 return (ENXIO);
1833 }
1834
1835 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key))
1836 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge))
1837
1838 static int
1839 dvd_auth(struct cd_softc *cd, dvd_authinfo *a)
1840 {
1841 struct scsipi_generic cmd;
1842 u_int8_t buf[20];
1843 int error;
1844
1845 memset(cmd.bytes, 0, 15);
1846 memset(buf, 0, sizeof(buf));
1847
1848 switch (a->type) {
1849 case DVD_LU_SEND_AGID:
1850 cmd.opcode = GPCMD_REPORT_KEY;
1851 cmd.bytes[8] = 8;
1852 cmd.bytes[9] = 0 | (0 << 6);
1853 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8,
1854 CDRETRIES, 30000, NULL,
1855 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1856 if (error)
1857 return (error);
1858 a->lsa.agid = buf[7] >> 6;
1859 return (0);
1860
1861 case DVD_LU_SEND_CHALLENGE:
1862 cmd.opcode = GPCMD_REPORT_KEY;
1863 cmd.bytes[8] = 16;
1864 cmd.bytes[9] = 1 | (a->lsc.agid << 6);
1865 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16,
1866 CDRETRIES, 30000, NULL,
1867 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1868 if (error)
1869 return (error);
1870 dvd_copy_challenge(a->lsc.chal, &buf[4]);
1871 return (0);
1872
1873 case DVD_LU_SEND_KEY1:
1874 cmd.opcode = GPCMD_REPORT_KEY;
1875 cmd.bytes[8] = 12;
1876 cmd.bytes[9] = 2 | (a->lsk.agid << 6);
1877 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12,
1878 CDRETRIES, 30000, NULL,
1879 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1880 if (error)
1881 return (error);
1882 dvd_copy_key(a->lsk.key, &buf[4]);
1883 return (0);
1884
1885 case DVD_LU_SEND_TITLE_KEY:
1886 cmd.opcode = GPCMD_REPORT_KEY;
1887 _lto4b(a->lstk.lba, &cmd.bytes[1]);
1888 cmd.bytes[8] = 12;
1889 cmd.bytes[9] = 4 | (a->lstk.agid << 6);
1890 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12,
1891 CDRETRIES, 30000, NULL,
1892 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1893 if (error)
1894 return (error);
1895 a->lstk.cpm = (buf[4] >> 7) & 1;
1896 a->lstk.cp_sec = (buf[4] >> 6) & 1;
1897 a->lstk.cgms = (buf[4] >> 4) & 3;
1898 dvd_copy_key(a->lstk.title_key, &buf[5]);
1899 return (0);
1900
1901 case DVD_LU_SEND_ASF:
1902 cmd.opcode = GPCMD_REPORT_KEY;
1903 cmd.bytes[8] = 8;
1904 cmd.bytes[9] = 5 | (a->lsasf.agid << 6);
1905 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8,
1906 CDRETRIES, 30000, NULL,
1907 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1908 if (error)
1909 return (error);
1910 a->lsasf.asf = buf[7] & 1;
1911 return (0);
1912
1913 case DVD_HOST_SEND_CHALLENGE:
1914 cmd.opcode = GPCMD_SEND_KEY;
1915 cmd.bytes[8] = 16;
1916 cmd.bytes[9] = 1 | (a->hsc.agid << 6);
1917 buf[1] = 14;
1918 dvd_copy_challenge(&buf[4], a->hsc.chal);
1919 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16,
1920 CDRETRIES, 30000, NULL,
1921 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK);
1922 if (error)
1923 return (error);
1924 a->type = DVD_LU_SEND_KEY1;
1925 return (0);
1926
1927 case DVD_HOST_SEND_KEY2:
1928 cmd.opcode = GPCMD_SEND_KEY;
1929 cmd.bytes[8] = 12;
1930 cmd.bytes[9] = 3 | (a->hsk.agid << 6);
1931 buf[1] = 10;
1932 dvd_copy_key(&buf[4], a->hsk.key);
1933 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12,
1934 CDRETRIES, 30000, NULL,
1935 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK);
1936 if (error) {
1937 a->type = DVD_AUTH_FAILURE;
1938 return (error);
1939 }
1940 a->type = DVD_AUTH_ESTABLISHED;
1941 return (0);
1942
1943 case DVD_INVALIDATE_AGID:
1944 cmd.opcode = GPCMD_REPORT_KEY;
1945 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6);
1946 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16,
1947 CDRETRIES, 30000, NULL, 0);
1948 if (error)
1949 return (error);
1950 return (0);
1951
1952 case DVD_LU_SEND_RPC_STATE:
1953 cmd.opcode = GPCMD_REPORT_KEY;
1954 cmd.bytes[8] = 8;
1955 cmd.bytes[9] = 8 | (0 << 6);
1956 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8,
1957 CDRETRIES, 30000, NULL,
1958 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
1959 if (error)
1960 return (error);
1961 a->lrpcs.type = (buf[4] >> 6) & 3;
1962 a->lrpcs.vra = (buf[4] >> 3) & 7;
1963 a->lrpcs.ucca = (buf[4]) & 7;
1964 a->lrpcs.region_mask = buf[5];
1965 a->lrpcs.rpc_scheme = buf[6];
1966 return (0);
1967
1968 case DVD_HOST_SEND_RPC_STATE:
1969 cmd.opcode = GPCMD_SEND_KEY;
1970 cmd.bytes[8] = 8;
1971 cmd.bytes[9] = 6 | (0 << 6);
1972 buf[1] = 6;
1973 buf[4] = a->hrpcs.pdrc;
1974 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8,
1975 CDRETRIES, 30000, NULL,
1976 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK);
1977 if (error)
1978 return (error);
1979 return (0);
1980
1981 default:
1982 return (ENOTTY);
1983 }
1984 }
1985
1986 static int
1987 dvd_read_physical(struct cd_softc *cd, dvd_struct *s)
1988 {
1989 struct scsipi_generic cmd;
1990 u_int8_t buf[4 + 4 * 20], *bufp;
1991 int error;
1992 struct dvd_layer *layer;
1993 int i;
1994
1995 memset(cmd.bytes, 0, 15);
1996 memset(buf, 0, sizeof(buf));
1997 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
1998 cmd.bytes[6] = s->type;
1999 _lto2b(sizeof(buf), &cmd.bytes[7]);
2000
2001 cmd.bytes[5] = s->physical.layer_num;
2002 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf),
2003 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
2004 if (error)
2005 return (error);
2006 for (i = 0, bufp = &buf[4], layer = &s->physical.layer[0]; i < 4;
2007 i++, bufp += 20, layer++) {
2008 memset(layer, 0, sizeof(*layer));
2009 layer->book_version = bufp[0] & 0xf;
2010 layer->book_type = bufp[0] >> 4;
2011 layer->min_rate = bufp[1] & 0xf;
2012 layer->disc_size = bufp[1] >> 4;
2013 layer->layer_type = bufp[2] & 0xf;
2014 layer->track_path = (bufp[2] >> 4) & 1;
2015 layer->nlayers = (bufp[2] >> 5) & 3;
2016 layer->track_density = bufp[3] & 0xf;
2017 layer->linear_density = bufp[3] >> 4;
2018 layer->start_sector = _4btol(&bufp[4]);
2019 layer->end_sector = _4btol(&bufp[8]);
2020 layer->end_sector_l0 = _4btol(&bufp[12]);
2021 layer->bca = bufp[16] >> 7;
2022 }
2023 return (0);
2024 }
2025
2026 static int
2027 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s)
2028 {
2029 struct scsipi_generic cmd;
2030 u_int8_t buf[8];
2031 int error;
2032
2033 memset(cmd.bytes, 0, 15);
2034 memset(buf, 0, sizeof(buf));
2035 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2036 cmd.bytes[6] = s->type;
2037 _lto2b(sizeof(buf), &cmd.bytes[7]);
2038
2039 cmd.bytes[5] = s->copyright.layer_num;
2040 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf),
2041 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
2042 if (error)
2043 return (error);
2044 s->copyright.cpst = buf[4];
2045 s->copyright.rmi = buf[5];
2046 return (0);
2047 }
2048
2049 static int
2050 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s)
2051 {
2052 struct scsipi_generic cmd;
2053 u_int8_t *buf;
2054 int error;
2055
2056 buf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2057 if (buf == NULL)
2058 return EIO;
2059 memset(cmd.bytes, 0, 15);
2060 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2061 cmd.bytes[6] = s->type;
2062 _lto2b(4 + 2048, &cmd.bytes[7]);
2063
2064 cmd.bytes[9] = s->disckey.agid << 6;
2065 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 4 + 2048,
2066 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
2067 if (error == 0)
2068 memcpy(s->disckey.value, &buf[4], 2048);
2069 free(buf, M_TEMP);
2070 return error;
2071 }
2072
2073 static int
2074 dvd_read_bca(struct cd_softc *cd, dvd_struct *s)
2075 {
2076 struct scsipi_generic cmd;
2077 u_int8_t buf[4 + 188];
2078 int error;
2079
2080 memset(cmd.bytes, 0, 15);
2081 memset(buf, 0, sizeof(buf));
2082 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2083 cmd.bytes[6] = s->type;
2084 _lto2b(sizeof(buf), &cmd.bytes[7]);
2085
2086 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf),
2087 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
2088 if (error)
2089 return (error);
2090 s->bca.len = _2btol(&buf[0]);
2091 if (s->bca.len < 12 || s->bca.len > 188)
2092 return (EIO);
2093 memcpy(s->bca.value, &buf[4], s->bca.len);
2094 return (0);
2095 }
2096
2097 static int
2098 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s)
2099 {
2100 struct scsipi_generic cmd;
2101 u_int8_t *buf;
2102 int error;
2103
2104 buf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2105 if (buf == NULL)
2106 return (EIO);
2107 memset(cmd.bytes, 0, 15);
2108 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2109 cmd.bytes[6] = s->type;
2110 _lto2b(4 + 2048, &cmd.bytes[7]);
2111
2112 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 4 + 2048,
2113 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK);
2114 if (error == 0) {
2115 s->manufact.len = _2btol(&buf[0]);
2116 if (s->manufact.len >= 0 && s->manufact.len <= 2048)
2117 memcpy(s->manufact.value, &buf[4], s->manufact.len);
2118 else
2119 error = EIO;
2120 }
2121 free(buf, M_TEMP);
2122 return error;
2123 }
2124
2125 static int
2126 dvd_read_struct(struct cd_softc *cd, dvd_struct *s)
2127 {
2128
2129 switch (s->type) {
2130 case DVD_STRUCT_PHYSICAL:
2131 return (dvd_read_physical(cd, s));
2132 case DVD_STRUCT_COPYRIGHT:
2133 return (dvd_read_copyright(cd, s));
2134 case DVD_STRUCT_DISCKEY:
2135 return (dvd_read_disckey(cd, s));
2136 case DVD_STRUCT_BCA:
2137 return (dvd_read_bca(cd, s));
2138 case DVD_STRUCT_MANUFACT:
2139 return (dvd_read_manufact(cd, s));
2140 default:
2141 return (EINVAL);
2142 }
2143 }
2144
2145 static int
2146 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2147 int page, int flags, int *big)
2148 {
2149
2150 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) {
2151 *big = 1;
2152 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense,
2153 size + sizeof(struct scsi_mode_parameter_header_10),
2154 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000);
2155 } else {
2156 *big = 0;
2157 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense,
2158 size + sizeof(struct scsi_mode_parameter_header_6),
2159 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000);
2160 }
2161 }
2162
2163 static int
2164 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2165 int flags, int big)
2166 {
2167
2168 if (big) {
2169 struct scsi_mode_parameter_header_10 *header = sense;
2170
2171 _lto2b(0, header->data_length);
2172 return scsipi_mode_select_big(cd->sc_periph, byte2, sense,
2173 size + sizeof(struct scsi_mode_parameter_header_10),
2174 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000);
2175 } else {
2176 struct scsi_mode_parameter_header_6 *header = sense;
2177
2178 header->data_length = 0;
2179 return scsipi_mode_select(cd->sc_periph, byte2, sense,
2180 size + sizeof(struct scsi_mode_parameter_header_6),
2181 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000);
2182 }
2183 }
2184
2185 static int
2186 cd_set_pa_immed(struct cd_softc *cd, int flags)
2187 {
2188 struct {
2189 union {
2190 struct scsi_mode_parameter_header_6 small;
2191 struct scsi_mode_parameter_header_10 big;
2192 } header;
2193 struct cd_audio_page page;
2194 } data;
2195 int error;
2196 uint8_t oflags;
2197 int big, byte2;
2198 struct cd_audio_page *page;
2199
2200 byte2 = SMS_DBD;
2201 try_again:
2202 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2203 AUDIO_PAGE, flags, &big)) != 0) {
2204 if (byte2 == SMS_DBD) {
2205 /* Device may not understand DBD; retry without */
2206 byte2 = 0;
2207 goto try_again;
2208 }
2209 return (error);
2210 }
2211
2212 if (big)
2213 page = (void *)((u_long)&data.header.big +
2214 sizeof data.header.big +
2215 _2btol(data.header.big.blk_desc_len));
2216 else
2217 page = (void *)((u_long)&data.header.small +
2218 sizeof data.header.small +
2219 data.header.small.blk_desc_len);
2220
2221 oflags = page->flags;
2222 page->flags &= ~CD_PA_SOTC;
2223 page->flags |= CD_PA_IMMED;
2224 if (oflags == page->flags)
2225 return (0);
2226
2227 return (cd_mode_select(cd, SMS_PF, &data,
2228 sizeof(struct scsi_mode_page_header) + page->pg_length,
2229 flags, big));
2230 }
2231
2232 static int
2233 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags)
2234 {
2235 struct {
2236 union {
2237 struct scsi_mode_parameter_header_6 small;
2238 struct scsi_mode_parameter_header_10 big;
2239 } header;
2240 struct cd_audio_page page;
2241 } data;
2242 int error;
2243 int big, byte2;
2244 struct cd_audio_page *page;
2245
2246 byte2 = SMS_DBD;
2247 try_again:
2248 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2249 AUDIO_PAGE, flags, &big)) != 0) {
2250 if (byte2 == SMS_DBD) {
2251 /* Device may not understand DBD; retry without */
2252 byte2 = 0;
2253 goto try_again;
2254 }
2255 return (error);
2256 }
2257
2258 if (big)
2259 page = (void *)((u_long)&data.header.big +
2260 sizeof data.header.big +
2261 _2btol(data.header.big.blk_desc_len));
2262 else
2263 page = (void *)((u_long)&data.header.small +
2264 sizeof data.header.small +
2265 data.header.small.blk_desc_len);
2266
2267 page->port[0].channels = p0;
2268 page->port[1].channels = p1;
2269 page->port[2].channels = p2;
2270 page->port[3].channels = p3;
2271
2272 return (cd_mode_select(cd, SMS_PF, &data,
2273 sizeof(struct scsi_mode_page_header) + page->pg_length,
2274 flags, big));
2275 }
2276
2277 static int
2278 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags)
2279 {
2280 struct {
2281 union {
2282 struct scsi_mode_parameter_header_6 small;
2283 struct scsi_mode_parameter_header_10 big;
2284 } header;
2285 struct cd_audio_page page;
2286 } data;
2287 int error;
2288 int big, byte2;
2289 struct cd_audio_page *page;
2290
2291 byte2 = SMS_DBD;
2292 try_again:
2293 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2294 AUDIO_PAGE, flags, &big)) != 0) {
2295 if (byte2 == SMS_DBD) {
2296 /* Device may not understand DBD; retry without */
2297 byte2 = 0;
2298 goto try_again;
2299 }
2300 return (error);
2301 }
2302
2303 if (big)
2304 page = (void *)((u_long)&data.header.big +
2305 sizeof data.header.big +
2306 _2btol(data.header.big.blk_desc_len));
2307 else
2308 page = (void *)((u_long)&data.header.small +
2309 sizeof data.header.small +
2310 data.header.small.blk_desc_len);
2311
2312 arg->vol[0] = page->port[0].volume;
2313 arg->vol[1] = page->port[1].volume;
2314 arg->vol[2] = page->port[2].volume;
2315 arg->vol[3] = page->port[3].volume;
2316
2317 return (0);
2318 }
2319
2320 static int
2321 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags)
2322 {
2323 struct {
2324 union {
2325 struct scsi_mode_parameter_header_6 small;
2326 struct scsi_mode_parameter_header_10 big;
2327 } header;
2328 struct cd_audio_page page;
2329 } data, mask;
2330 int error;
2331 int big, byte2;
2332 struct cd_audio_page *page, *page2;
2333
2334 byte2 = SMS_DBD;
2335 try_again:
2336 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2337 AUDIO_PAGE, flags, &big)) != 0) {
2338 if (byte2 == SMS_DBD) {
2339 /* Device may not understand DBD; retry without */
2340 byte2 = 0;
2341 goto try_again;
2342 }
2343 return (error);
2344 }
2345 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page),
2346 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0)
2347 return (error);
2348
2349 if (big) {
2350 page = (void *)((u_long)&data.header.big +
2351 sizeof data.header.big +
2352 _2btol(data.header.big.blk_desc_len));
2353 page2 = (void *)((u_long)&mask.header.big +
2354 sizeof mask.header.big +
2355 _2btol(mask.header.big.blk_desc_len));
2356 } else {
2357 page = (void *)((u_long)&data.header.small +
2358 sizeof data.header.small +
2359 data.header.small.blk_desc_len);
2360 page2 = (void *)((u_long)&mask.header.small +
2361 sizeof mask.header.small +
2362 mask.header.small.blk_desc_len);
2363 }
2364
2365 page->port[0].volume = arg->vol[0] & page2->port[0].volume;
2366 page->port[1].volume = arg->vol[1] & page2->port[1].volume;
2367 page->port[2].volume = arg->vol[2] & page2->port[2].volume;
2368 page->port[3].volume = arg->vol[3] & page2->port[3].volume;
2369
2370 page->port[0].channels = CHANNEL_0;
2371 page->port[1].channels = CHANNEL_1;
2372
2373 return (cd_mode_select(cd, SMS_PF, &data,
2374 sizeof(struct scsi_mode_page_header) + page->pg_length,
2375 flags, big));
2376 }
2377
2378 static int
2379 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args)
2380 {
2381 struct scsipi_load_unload cmd;
2382
2383 memset(&cmd, 0, sizeof(cmd));
2384 cmd.opcode = LOAD_UNLOAD;
2385 cmd.options = args->options; /* ioctl uses MMC values */
2386 cmd.slot = args->slot;
2387
2388 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
2389 CDRETRIES, 200000, NULL, 0));
2390 }
2391
2392 static int
2393 cd_setblksize(struct cd_softc *cd)
2394 {
2395 struct {
2396 union {
2397 struct scsi_mode_parameter_header_6 small;
2398 struct scsi_mode_parameter_header_10 big;
2399 } header;
2400 struct scsi_general_block_descriptor blk_desc;
2401 } data;
2402 int error;
2403 int big, bsize;
2404 struct scsi_general_block_descriptor *bdesc;
2405
2406 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0,
2407 &big)) != 0)
2408 return (error);
2409
2410 if (big) {
2411 bdesc = (void *)(&data.header.big + 1);
2412 bsize = _2btol(data.header.big.blk_desc_len);
2413 } else {
2414 bdesc = (void *)(&data.header.small + 1);
2415 bsize = data.header.small.blk_desc_len;
2416 }
2417
2418 if (bsize == 0) {
2419 printf("cd_setblksize: trying to change bsize, but no blk_desc\n");
2420 return (EINVAL);
2421 }
2422 if (_3btol(bdesc->blklen) == 2048) {
2423 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n");
2424 return (EINVAL);
2425 }
2426
2427 _lto3b(2048, bdesc->blklen);
2428
2429 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0,
2430 big));
2431 }
Cache object: 64d7285dc27d4d7ea32171e161097216
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