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[netbsd-mini2440.git] / sys / dev / scsipi / cd.c
blob95a27ba1b20b361ffe37f5af94c6136374a76b96
1 /* $NetBSD: cd.c,v 1.296 2009/12/06 22:48:17 dyoung Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2001, 2003, 2004, 2005, 2008 The NetBSD Foundation,
5 * Inc. All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * MMC framework implemented and contributed to the NetBSD Foundation by
11 * Reinoud Zandijk.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 /*
36 * Originally written by Julian Elischer (julian@tfs.com)
37 * for TRW Financial Systems for use under the MACH(2.5) operating system.
38 *
39 * TRW Financial Systems, in accordance with their agreement with Carnegie
40 * Mellon University, makes this software available to CMU to distribute
41 * or use in any manner that they see fit as long as this message is kept with
42 * the software. For this reason TFS also grants any other persons or
43 * organisations permission to use or modify this software.
44 *
45 * TFS supplies this software to be publicly redistributed
46 * on the understanding that TFS is not responsible for the correct
47 * functioning of this software in any circumstances.
48 *
49 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
50 */
51
52 #include <sys/cdefs.h>
53 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.296 2009/12/06 22:48:17 dyoung Exp $");
54
55 #include "rnd.h"
56
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/kernel.h>
60 #include <sys/file.h>
61 #include <sys/stat.h>
62 #include <sys/ioctl.h>
63 #include <sys/buf.h>
64 #include <sys/bufq.h>
65 #include <sys/uio.h>
66 #include <sys/malloc.h>
67 #include <sys/errno.h>
68 #include <sys/device.h>
69 #include <sys/disklabel.h>
70 #include <sys/disk.h>
71 #include <sys/cdio.h>
72 #include <sys/dvdio.h>
73 #include <sys/scsiio.h>
74 #include <sys/proc.h>
75 #include <sys/conf.h>
76 #include <sys/vnode.h>
77 #if NRND > 0
78 #include <sys/rnd.h>
79 #endif
80
81 #include <dev/scsipi/scsi_spc.h>
82 #include <dev/scsipi/scsipi_all.h>
83 #include <dev/scsipi/scsipi_cd.h>
84 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */
85 #include <dev/scsipi/scsi_all.h>
86 /* from there */
87 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */
88 #include <dev/scsipi/scsipiconf.h>
89 #include <dev/scsipi/scsipi_base.h>
90 #include <dev/scsipi/cdvar.h>
91
92 #include <prop/proplib.h>
93
94 #define CDUNIT(z) DISKUNIT(z)
95 #define CDPART(z) DISKPART(z)
96 #define CDMINOR(unit, part) DISKMINOR(unit, part)
97 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part)
98
99 #define MAXTRACK 99
100 #define CD_BLOCK_OFFSET 150
101 #define CD_FRAMES 75
102 #define CD_SECS 60
103
104 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */
105 #define CD_TOC_MSINFO 1 /* multi-session info */
106 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */
107 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */
108 #define CD_TOC_ATIP 4 /* pressed space of recordable */
109 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */
110
111 #define P5LEN 0x32
112 #define MS5LEN (P5LEN + 8 + 2)
113
114 struct cd_formatted_toc {
115 struct ioc_toc_header header;
116 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */
117 /* leadout */
118 };
119
120 struct cdbounce {
121 struct buf *obp; /* original buf */
122 int doff; /* byte offset in orig. buf */
123 int soff; /* byte offset in bounce buf */
124 int resid; /* residual i/o in orig. buf */
125 int bcount; /* actual obp bytes in bounce */
126 };
127
128 static void cdstart(struct scsipi_periph *);
129 static void cdrestart(void *);
130 static void cdminphys(struct buf *);
131 static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *,
132 struct disklabel *);
133 static void cdgetdisklabel(struct cd_softc *);
134 static void cddone(struct scsipi_xfer *, int);
135 static void cdbounce(struct buf *);
136 static int cd_interpret_sense(struct scsipi_xfer *);
137 static u_long cd_size(struct cd_softc *, int);
138 static int cd_play(struct cd_softc *, int, int);
139 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *,
140 int, int, int, int);
141 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int);
142 static int cd_pause(struct cd_softc *, int);
143 static int cd_reset(struct cd_softc *);
144 static int cd_read_subchannel(struct cd_softc *, int, int, int,
145 struct cd_sub_channel_info *, int, int);
146 static int cd_read_toc(struct cd_softc *, int, int, int,
147 struct cd_formatted_toc *, int, int, int);
148 static int cd_get_parms(struct cd_softc *, int);
149 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int);
150 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *);
151 static int cdcachesync(struct scsipi_periph *periph, int flags);
152
153 static int dvd_auth(struct cd_softc *, dvd_authinfo *);
154 static int dvd_read_physical(struct cd_softc *, dvd_struct *);
155 static int dvd_read_copyright(struct cd_softc *, dvd_struct *);
156 static int dvd_read_disckey(struct cd_softc *, dvd_struct *);
157 static int dvd_read_bca(struct cd_softc *, dvd_struct *);
158 static int dvd_read_manufact(struct cd_softc *, dvd_struct *);
159 static int dvd_read_struct(struct cd_softc *, dvd_struct *);
160
161 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int,
162 int, int *);
163 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t,
164 int, int);
165 static int cd_setchan(struct cd_softc *, int, int, int, int, int);
166 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int);
167 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int);
168 static int cd_set_pa_immed(struct cd_softc *, int);
169 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *);
170 static int cd_setblksize(struct cd_softc *);
171
172 static int cdmatch(device_t, cfdata_t, void *);
173 static void cdattach(device_t, device_t, void *);
174 static int cddetach(device_t, int);
175
176 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *);
177 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *);
178 static int mmc_do_op(struct scsipi_periph *, struct mmc_op *);
179 static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *);
180
181 static void cd_set_properties(struct cd_softc *);
182
183 CFATTACH_DECL3_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach,
184 NULL, NULL, NULL, DVF_DETACH_SHUTDOWN);
185
186 extern struct cfdriver cd_cd;
187
188 static const struct scsipi_inquiry_pattern cd_patterns[] = {
189 {T_CDROM, T_REMOV,
190 "", "", ""},
191 {T_WORM, T_REMOV,
192 "", "", ""},
193 #if 0
194 {T_CDROM, T_REMOV, /* more luns */
195 "PIONEER ", "CD-ROM DRM-600 ", ""},
196 #endif
197 {T_DIRECT, T_REMOV,
198 "NEC CD-ROM DRIVE:260", "", ""},
199 };
200
201 static dev_type_open(cdopen);
202 static dev_type_close(cdclose);
203 static dev_type_read(cdread);
204 static dev_type_write(cdwrite);
205 static dev_type_ioctl(cdioctl);
206 static dev_type_strategy(cdstrategy);
207 static dev_type_dump(cddump);
208 static dev_type_size(cdsize);
209
210 const struct bdevsw cd_bdevsw = {
211 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK
212 };
213
214 const struct cdevsw cd_cdevsw = {
215 cdopen, cdclose, cdread, cdwrite, cdioctl,
216 nostop, notty, nopoll, nommap, nokqfilter, D_DISK
217 };
218
219 static struct dkdriver cddkdriver = { cdstrategy, NULL };
220
221 static const struct scsipi_periphsw cd_switch = {
222 cd_interpret_sense, /* use our error handler first */
223 cdstart, /* we have a queue, which is started by this */
224 NULL, /* we do not have an async handler */
225 cddone, /* deal with stats at interrupt time */
226 };
227
228 /*
229 * The routine called by the low level scsi routine when it discovers
230 * A device suitable for this driver
231 */
232 static int
233 cdmatch(device_t parent, cfdata_t match, void *aux)
234 {
235 struct scsipibus_attach_args *sa = aux;
236 int priority;
237
238 (void)scsipi_inqmatch(&sa->sa_inqbuf,
239 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]),
240 sizeof(cd_patterns[0]), &priority);
241
242 return (priority);
243 }
244
245 static void
246 cdattach(device_t parent, device_t self, void *aux)
247 {
248 struct cd_softc *cd = device_private(self);
249 struct scsipibus_attach_args *sa = aux;
250 struct scsipi_periph *periph = sa->sa_periph;
251
252 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: "));
253
254 cd->sc_dev = self;
255
256 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE);
257
258 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI &&
259 periph->periph_version == 0)
260 cd->flags |= CDF_ANCIENT;
261
262 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK);
263
264 callout_init(&cd->sc_callout, 0);
265
266 /*
267 * Store information needed to contact our base driver
268 */
269 cd->sc_periph = periph;
270
271 periph->periph_dev = cd->sc_dev;
272 periph->periph_switch = &cd_switch;
273
274 /*
275 * Increase our openings to the maximum-per-periph
276 * supported by the adapter. This will either be
277 * clamped down or grown by the adapter if necessary.
278 */
279 periph->periph_openings =
280 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel);
281 periph->periph_flags |= PERIPH_GROW_OPENINGS;
282
283 /*
284 * Initialize and attach the disk structure.
285 */
286 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver);
287 disk_attach(&cd->sc_dk);
288
289 aprint_normal("\n");
290
291 #if NRND > 0
292 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev),
293 RND_TYPE_DISK, 0);
294 #endif
295
296 if (!pmf_device_register(self, NULL, NULL))
297 aprint_error_dev(self, "couldn't establish power handler\n");
298 }
299
300 static int
301 cddetach(device_t self, int flags)
302 {
303 struct cd_softc *cd = device_private(self);
304 int s, bmaj, cmaj, i, mn;
305
306 /* locate the major number */
307 bmaj = bdevsw_lookup_major(&cd_bdevsw);
308 cmaj = cdevsw_lookup_major(&cd_cdevsw);
309 /* Nuke the vnodes for any open instances */
310 for (i = 0; i < MAXPARTITIONS; i++) {
311 mn = CDMINOR(device_unit(self), i);
312 vdevgone(bmaj, mn, mn, VBLK);
313 vdevgone(cmaj, mn, mn, VCHR);
314 }
315
316 /* kill any pending restart */
317 callout_stop(&cd->sc_callout);
318
319 s = splbio();
320
321 /* Kill off any queued buffers. */
322 bufq_drain(cd->buf_queue);
323
324 bufq_free(cd->buf_queue);
325
326 /* Kill off any pending commands. */
327 scsipi_kill_pending(cd->sc_periph);
328
329 splx(s);
330
331 mutex_destroy(&cd->sc_lock);
332
333 /* Detach from the disk list. */
334 disk_detach(&cd->sc_dk);
335 disk_destroy(&cd->sc_dk);
336
337 #if NRND > 0
338 /* Unhook the entropy source. */
339 rnd_detach_source(&cd->rnd_source);
340 #endif
341
342 return (0);
343 }
344
345 /*
346 * open the device. Make sure the partition info is a up-to-date as can be.
347 */
348 static int
349 cdopen(dev_t dev, int flag, int fmt, struct lwp *l)
350 {
351 struct cd_softc *cd;
352 struct scsipi_periph *periph;
353 struct scsipi_adapter *adapt;
354 int part;
355 int error;
356 int rawpart;
357
358 cd = device_lookup_private(&cd_cd, CDUNIT(dev));
359 if (cd == NULL)
360 return (ENXIO);
361
362 periph = cd->sc_periph;
363 adapt = periph->periph_channel->chan_adapter;
364 part = CDPART(dev);
365
366 SC_DEBUG(periph, SCSIPI_DB1,
367 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %"PRId32")\n",dev,
368 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev)));
369
370 /*
371 * If this is the first open of this device, add a reference
372 * to the adapter.
373 */
374 if (cd->sc_dk.dk_openmask == 0 &&
375 (error = scsipi_adapter_addref(adapt)) != 0)
376 return (error);
377
378 mutex_enter(&cd->sc_lock);
379
380 rawpart = (part == RAW_PART && fmt == S_IFCHR);
381 if ((periph->periph_flags & PERIPH_OPEN) != 0) {
382 /*
383 * If any partition is open, but the disk has been invalidated,
384 * disallow further opens.
385 */
386 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 &&
387 !rawpart) {
388 error = EIO;
389 goto bad3;
390 }
391 } else {
392 int silent;
393
394 if (rawpart)
395 silent = XS_CTL_SILENT;
396 else
397 silent = 0;
398
399 /* Check that it is still responding and ok. */
400 error = scsipi_test_unit_ready(periph,
401 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE |
402 silent);
403
404 /*
405 * Start the pack spinning if necessary. Always allow the
406 * raw parition to be opened, for raw IOCTLs. Data transfers
407 * will check for SDEV_MEDIA_LOADED.
408 */
409 if (error == EIO) {
410 int error2;
411
412 error2 = scsipi_start(periph, SSS_START, silent);
413 switch (error2) {
414 case 0:
415 error = 0;
416 break;
417 case EIO:
418 case EINVAL:
419 break;
420 default:
421 error = error2;
422 break;
423 }
424 }
425 if (error) {
426 if (rawpart)
427 goto out;
428 goto bad3;
429 }
430
431 periph->periph_flags |= PERIPH_OPEN;
432
433 /* Lock the pack in. */
434 error = scsipi_prevent(periph, SPAMR_PREVENT_DT,
435 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE);
436 SC_DEBUG(periph, SCSIPI_DB1,
437 ("cdopen: scsipi_prevent, error=%d\n", error));
438 if (error) {
439 if (rawpart)
440 goto out;
441 goto bad;
442 }
443
444 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
445 /* Load the physical device parameters. */
446 if (cd_get_parms(cd, 0) != 0) {
447 if (rawpart)
448 goto out;
449 error = ENXIO;
450 goto bad;
451 }
452 periph->periph_flags |= PERIPH_MEDIA_LOADED;
453 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded "));
454
455 /* Fabricate a disk label. */
456 cdgetdisklabel(cd);
457 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated "));
458
459 cd_set_properties(cd);
460 }
461 }
462
463 /* Check that the partition exists. */
464 if (part != RAW_PART &&
465 (part >= cd->sc_dk.dk_label->d_npartitions ||
466 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) {
467 error = ENXIO;
468 goto bad;
469 }
470
471 out: /* Insure only one open at a time. */
472 switch (fmt) {
473 case S_IFCHR:
474 cd->sc_dk.dk_copenmask |= (1 << part);
475 break;
476 case S_IFBLK:
477 cd->sc_dk.dk_bopenmask |= (1 << part);
478 break;
479 }
480 cd->sc_dk.dk_openmask =
481 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask;
482
483 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n"));
484 mutex_exit(&cd->sc_lock);
485 return (0);
486
487 bad:
488 if (cd->sc_dk.dk_openmask == 0) {
489 scsipi_prevent(periph, SPAMR_ALLOW,
490 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE);
491 periph->periph_flags &= ~PERIPH_OPEN;
492 }
493
494 bad3:
495 mutex_exit(&cd->sc_lock);
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 lwp *l)
507 {
508 struct cd_softc *cd = device_lookup_private(&cd_cd, 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
513 mutex_enter(&cd->sc_lock);
514
515 switch (fmt) {
516 case S_IFCHR:
517 cd->sc_dk.dk_copenmask &= ~(1 << part);
518 break;
519 case S_IFBLK:
520 cd->sc_dk.dk_bopenmask &= ~(1 << part);
521 break;
522 }
523 cd->sc_dk.dk_openmask =
524 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask;
525
526 if (cd->sc_dk.dk_openmask == 0) {
527 /* synchronise caches on last close */
528 cdcachesync(periph, 0);
529
530 /* drain outstanding calls */
531 scsipi_wait_drain(periph);
532
533 scsipi_prevent(periph, SPAMR_ALLOW,
534 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE |
535 XS_CTL_IGNORE_NOT_READY);
536 periph->periph_flags &= ~PERIPH_OPEN;
537
538 scsipi_wait_drain(periph);
539
540 scsipi_adapter_delref(adapt);
541 }
542
543 mutex_exit(&cd->sc_lock);
544 return (0);
545 }
546
547 /*
548 * Actually translate the requested transfer into one the physical driver can
549 * understand. The transfer is described by a buf and will include only one
550 * physical transfer.
551 */
552 static void
553 cdstrategy(struct buf *bp)
554 {
555 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev));
556 struct disklabel *lp;
557 struct scsipi_periph *periph = cd->sc_periph;
558 daddr_t blkno;
559 int s;
560
561 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy "));
562 SC_DEBUG(cd->sc_periph, SCSIPI_DB1,
563 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno));
564 /*
565 * If the device has been made invalid, error out
566 * maybe the media changed
567 */
568 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
569 if (periph->periph_flags & PERIPH_OPEN)
570 bp->b_error = EIO;
571 else
572 bp->b_error = ENODEV;
573 goto done;
574 }
575
576 lp = cd->sc_dk.dk_label;
577
578 /*
579 * The transfer must be a whole number of blocks, offset must not
580 * be negative.
581 */
582 if ((bp->b_bcount % lp->d_secsize) != 0 ||
583 bp->b_blkno < 0 ) {
584 bp->b_error = EINVAL;
585 goto done;
586 }
587 /*
588 * If it's a null transfer, return immediately
589 */
590 if (bp->b_bcount == 0)
591 goto done;
592
593 /*
594 * Do bounds checking, adjust transfer. if error, process.
595 * If end of partition, just return.
596 */
597 if (CDPART(bp->b_dev) == RAW_PART) {
598 if (bounds_check_with_mediasize(bp, DEV_BSIZE,
599 cd->params.disksize512) <= 0)
600 goto done;
601 } else {
602 if (bounds_check_with_label(&cd->sc_dk, bp,
603 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0)
604 goto done;
605 }
606
607 /*
608 * Now convert the block number to absolute and put it in
609 * terms of the device's logical block size.
610 */
611 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE);
612 if (CDPART(bp->b_dev) != RAW_PART)
613 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset;
614
615 bp->b_rawblkno = blkno;
616
617 /*
618 * If the disklabel sector size does not match the device
619 * sector size we may need to do some extra work.
620 */
621 if (lp->d_secsize != cd->params.blksize) {
622
623 /*
624 * If the xfer is not a multiple of the device block size
625 * or it is not block aligned, we need to bounce it.
626 */
627 if ((bp->b_bcount % cd->params.blksize) != 0 ||
628 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) {
629 struct cdbounce *bounce;
630 struct buf *nbp;
631 long count;
632
633 if ((bp->b_flags & B_READ) == 0) {
634
635 /* XXXX We don't support bouncing writes. */
636 bp->b_error = EACCES;
637 goto done;
638 }
639
640 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT);
641 if (!bounce) {
642 /* No memory -- fail the iop. */
643 bp->b_error = ENOMEM;
644 goto done;
645 }
646
647 bounce->obp = bp;
648 bounce->resid = bp->b_bcount;
649 bounce->doff = 0;
650 count = ((blkno * lp->d_secsize) % cd->params.blksize);
651 bounce->soff = count;
652 count += bp->b_bcount;
653 count = roundup(count, cd->params.blksize);
654 bounce->bcount = bounce->resid;
655 if (count > MAXPHYS) {
656 bounce->bcount = MAXPHYS - bounce->soff;
657 count = MAXPHYS;
658 }
659
660 blkno = ((blkno * lp->d_secsize) / cd->params.blksize);
661 nbp = getiobuf(NULL, false);
662 if (!nbp) {
663 /* No memory -- fail the iop. */
664 free(bounce, M_DEVBUF);
665 bp->b_error = ENOMEM;
666 goto done;
667 }
668 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT);
669 if (!nbp->b_data) {
670 /* No memory -- fail the iop. */
671 free(bounce, M_DEVBUF);
672 putiobuf(nbp);
673 bp->b_error = ENOMEM;
674 goto done;
675 }
676
677 /* Set up the IOP to the bounce buffer. */
678 nbp->b_error = 0;
679 nbp->b_proc = bp->b_proc;
680 nbp->b_bcount = count;
681 nbp->b_bufsize = count;
682 nbp->b_rawblkno = blkno;
683 nbp->b_flags = bp->b_flags | B_READ;
684 nbp->b_oflags = bp->b_oflags;
685 nbp->b_cflags = bp->b_cflags;
686 nbp->b_iodone = cdbounce;
687
688 /* store bounce state in b_private and use new buf */
689 nbp->b_private = bounce;
690
691 BIO_COPYPRIO(nbp, bp);
692
693 bp = nbp;
694
695 } else {
696 /* Xfer is aligned -- just adjust the start block */
697 bp->b_rawblkno = (blkno * lp->d_secsize) /
698 cd->params.blksize;
699 }
700 }
701 s = splbio();
702
703 /*
704 * Place it in the queue of disk activities for this disk.
705 *
706 * XXX Only do disksort() if the current operating mode does not
707 * XXX include tagged queueing.
708 */
709 bufq_put(cd->buf_queue, bp);
710
711 /*
712 * Tell the device to get going on the transfer if it's
713 * not doing anything, otherwise just wait for completion
714 */
715 cdstart(cd->sc_periph);
716
717 splx(s);
718 return;
719
720 done:
721 /*
722 * Correctly set the buf to indicate a completed xfer
723 */
724 bp->b_resid = bp->b_bcount;
725 biodone(bp);
726 }
727
728 /*
729 * cdstart looks to see if there is a buf waiting for the device
730 * and that the device is not already busy. If both are true,
731 * It deques the buf and creates a scsi command to perform the
732 * transfer in the buf. The transfer request will call scsipi_done
733 * on completion, which will in turn call this routine again
734 * so that the next queued transfer is performed.
735 * The bufs are queued by the strategy routine (cdstrategy)
736 *
737 * This routine is also called after other non-queued requests
738 * have been made of the scsi driver, to ensure that the queue
739 * continues to be drained.
740 *
741 * must be called at the correct (highish) spl level
742 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done
743 */
744 static void
745 cdstart(struct scsipi_periph *periph)
746 {
747 struct cd_softc *cd = device_private(periph->periph_dev);
748 struct buf *bp = 0;
749 struct scsipi_rw_10 cmd_big;
750 struct scsi_rw_6 cmd_small;
751 struct scsipi_generic *cmdp;
752 struct scsipi_xfer *xs;
753 int flags, nblks, cmdlen, error;
754
755 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart "));
756 /*
757 * Check if the device has room for another command
758 */
759 while (periph->periph_active < periph->periph_openings) {
760 /*
761 * there is excess capacity, but a special waits
762 * It'll need the adapter as soon as we clear out of the
763 * way and let it run (user level wait).
764 */
765 if (periph->periph_flags & PERIPH_WAITING) {
766 periph->periph_flags &= ~PERIPH_WAITING;
767 wakeup((void *)periph);
768 return;
769 }
770
771 /*
772 * If the device has become invalid, abort all the
773 * reads and writes until all files have been closed and
774 * re-opened
775 */
776 if (__predict_false(
777 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) {
778 if ((bp = bufq_get(cd->buf_queue)) != NULL) {
779 bp->b_error = EIO;
780 bp->b_resid = bp->b_bcount;
781 biodone(bp);
782 continue;
783 } else {
784 return;
785 }
786 }
787
788 /*
789 * See if there is a buf with work for us to do..
790 */
791 if ((bp = bufq_peek(cd->buf_queue)) == NULL)
792 return;
793
794 /*
795 * We have a buf, now we should make a command.
796 */
797
798 nblks = howmany(bp->b_bcount, cd->params.blksize);
799
800 /*
801 * Fill out the scsi command. If the transfer will
802 * fit in a "small" cdb, use it.
803 */
804 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) &&
805 ((nblks & 0xff) == nblks) &&
806 !(periph->periph_quirks & PQUIRK_ONLYBIG)) {
807 /*
808 * We can fit in a small cdb.
809 */
810 memset(&cmd_small, 0, sizeof(cmd_small));
811 cmd_small.opcode = (bp->b_flags & B_READ) ?
812 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND;
813 _lto3b(bp->b_rawblkno, cmd_small.addr);
814 cmd_small.length = nblks & 0xff;
815 cmdlen = sizeof(cmd_small);
816 cmdp = (struct scsipi_generic *)&cmd_small;
817 } else {
818 /*
819 * Need a large cdb.
820 */
821 memset(&cmd_big, 0, sizeof(cmd_big));
822 cmd_big.opcode = (bp->b_flags & B_READ) ?
823 READ_10 : WRITE_10;
824 _lto4b(bp->b_rawblkno, cmd_big.addr);
825 _lto2b(nblks, cmd_big.length);
826 cmdlen = sizeof(cmd_big);
827 cmdp = (struct scsipi_generic *)&cmd_big;
828 }
829
830 /* Instrumentation. */
831 disk_busy(&cd->sc_dk);
832
833 /*
834 * Figure out what flags to use.
835 */
836 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG;
837 if (bp->b_flags & B_READ)
838 flags |= XS_CTL_DATA_IN;
839 else
840 flags |= XS_CTL_DATA_OUT;
841
842 /*
843 * Call the routine that chats with the adapter.
844 * Note: we cannot sleep as we may be an interrupt
845 */
846 xs = scsipi_make_xs(periph, cmdp, cmdlen,
847 (u_char *)bp->b_data, bp->b_bcount,
848 CDRETRIES, 30000, bp, flags);
849 if (__predict_false(xs == NULL)) {
850 /*
851 * out of memory. Keep this buffer in the queue, and
852 * retry later.
853 */
854 callout_reset(&cd->sc_callout, hz / 2, cdrestart,
855 periph);
856 return;
857 }
858 /*
859 * need to dequeue the buffer before queuing the command,
860 * because cdstart may be called recursively from the
861 * HBA driver
862 */
863 #ifdef DIAGNOSTIC
864 if (bufq_get(cd->buf_queue) != bp)
865 panic("cdstart(): dequeued wrong buf");
866 #else
867 bufq_get(cd->buf_queue);
868 #endif
869 error = scsipi_execute_xs(xs);
870 /* with a scsipi_xfer preallocated, scsipi_command can't fail */
871 KASSERT(error == 0);
872 }
873 }
874
875 static void
876 cdrestart(void *v)
877 {
878 int s = splbio();
879 cdstart((struct scsipi_periph *)v);
880 splx(s);
881 }
882
883 static void
884 cddone(struct scsipi_xfer *xs, int error)
885 {
886 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev);
887 struct buf *bp = xs->bp;
888
889 if (bp) {
890 /* note, bp->b_resid is NOT initialised */
891 bp->b_error = error;
892 bp->b_resid = xs->resid;
893 if (error) {
894 /* on a read/write error bp->b_resid is zero, so fix */
895 bp->b_resid = bp->b_bcount;
896 }
897
898 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid,
899 (bp->b_flags & B_READ));
900 #if NRND > 0
901 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno);
902 #endif
903
904 biodone(bp);
905 }
906 }
907
908 static void
909 cdbounce(struct buf *bp)
910 {
911 struct cdbounce *bounce = (struct cdbounce *)bp->b_private;
912 struct buf *obp = bounce->obp;
913 struct cd_softc *cd =
914 device_lookup_private(&cd_cd, CDUNIT(obp->b_dev));
915 struct disklabel *lp = cd->sc_dk.dk_label;
916
917 if (bp->b_error != 0) {
918 /* EEK propagate the error and free the memory */
919 goto done;
920 }
921
922 KASSERT(obp->b_flags & B_READ);
923
924 /* copy bounce buffer to final destination */
925 memcpy((char *)obp->b_data + bounce->doff,
926 (char *)bp->b_data + bounce->soff, bounce->bcount);
927
928 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */
929 KASSERT(bounce->resid >= bounce->bcount);
930 bounce->resid -= bounce->bcount;
931 if (bounce->resid > 0) {
932 struct buf *nbp;
933 daddr_t blkno;
934 long count;
935 int s;
936
937 blkno = obp->b_rawblkno +
938 ((obp->b_bcount - bounce->resid) / lp->d_secsize);
939 count = ((blkno * lp->d_secsize) % cd->params.blksize);
940 blkno = (blkno * lp->d_secsize) / cd->params.blksize;
941 bounce->soff = count;
942 bounce->doff += bounce->bcount;
943 count += bounce->resid;
944 count = roundup(count, cd->params.blksize);
945 bounce->bcount = bounce->resid;
946 if (count > MAXPHYS) {
947 bounce->bcount = MAXPHYS - bounce->soff;
948 count = MAXPHYS;
949 }
950
951 nbp = getiobuf(NULL, false);
952 if (!nbp) {
953 /* No memory -- fail the iop. */
954 bp->b_error = ENOMEM;
955 goto done;
956 }
957
958 /* Set up the IOP to the bounce buffer. */
959 nbp->b_error = 0;
960 nbp->b_proc = obp->b_proc;
961 nbp->b_bcount = count;
962 nbp->b_bufsize = count;
963 nbp->b_data = bp->b_data;
964 nbp->b_rawblkno = blkno;
965 nbp->b_flags = obp->b_flags | B_READ;
966 nbp->b_oflags = obp->b_oflags;
967 nbp->b_cflags = obp->b_cflags;
968 nbp->b_iodone = cdbounce;
969
970 /* store bounce state in b_private and use new buf */
971 nbp->b_private = bounce;
972
973 BIO_COPYPRIO(nbp, obp);
974
975 bp->b_data = NULL;
976 putiobuf(bp);
977
978 /* enqueue the request and return */
979 s = splbio();
980 bufq_put(cd->buf_queue, nbp);
981 cdstart(cd->sc_periph);
982 splx(s);
983
984 return;
985 }
986
987 done:
988 obp->b_error = bp->b_error;
989 obp->b_resid = bp->b_resid;
990 free(bp->b_data, M_DEVBUF);
991 free(bounce, M_DEVBUF);
992 bp->b_data = NULL;
993 putiobuf(bp);
994 biodone(obp);
995 }
996
997 static int
998 cd_interpret_sense(struct scsipi_xfer *xs)
999 {
1000 struct scsipi_periph *periph = xs->xs_periph;
1001 struct scsi_sense_data *sense = &xs->sense.scsi_sense;
1002 int retval = EJUSTRETURN;
1003
1004 /*
1005 * If it isn't a extended or extended/deferred error, let
1006 * the generic code handle it.
1007 */
1008 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT &&
1009 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED)
1010 return (retval);
1011
1012 /*
1013 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit
1014 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then
1015 * wait a bit for the drive to spin up
1016 */
1017
1018 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
1019 (sense->asc == 0x04) && (sense->ascq == 0x01)) {
1020 /*
1021 * Sleep for 5 seconds to wait for the drive to spin up
1022 */
1023
1024 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD "
1025 "spinup\n"));
1026 if (!callout_pending(&periph->periph_callout))
1027 scsipi_periph_freeze(periph, 1);
1028 callout_reset(&periph->periph_callout,
1029 5 * hz, scsipi_periph_timed_thaw, periph);
1030 retval = ERESTART;
1031 }
1032
1033 /*
1034 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not
1035 * Ready, Operation In Progress" (Sense code 0x04, 0x07),
1036 * then wait for the specified time
1037 */
1038
1039 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
1040 (sense->asc == 0x04) && (sense->ascq == 0x07)) {
1041 /*
1042 * we could listen to the delay; but it looks like the skey
1043 * data is not always returned.
1044 */
1045 /* cd_delay = _2btol(sense->sks.sks_bytes); */
1046
1047 /* wait for a half second and get going again */
1048 if (!callout_pending(&periph->periph_callout))
1049 scsipi_periph_freeze(periph, 1);
1050 callout_reset(&periph->periph_callout,
1051 hz/2, scsipi_periph_timed_thaw, periph);
1052 retval = ERESTART;
1053 }
1054
1055 /*
1056 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in
1057 * progress" (Sense code 0x04, 0x08), then wait for the specified
1058 * time
1059 */
1060
1061 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
1062 (sense->asc == 0x04) && (sense->ascq == 0x08)) {
1063 /*
1064 * long write in process; we could listen to the delay; but it
1065 * looks like the skey data is not always returned.
1066 */
1067 /* cd_delay = _2btol(sense->sks.sks_bytes); */
1068
1069 /* wait for a half second and get going again */
1070 if (!callout_pending(&periph->periph_callout))
1071 scsipi_periph_freeze(periph, 1);
1072 callout_reset(&periph->periph_callout,
1073 hz/2, scsipi_periph_timed_thaw, periph);
1074 retval = ERESTART;
1075 }
1076
1077 return (retval);
1078 }
1079
1080 static void
1081 cdminphys(struct buf *bp)
1082 {
1083 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev));
1084 long xmax;
1085
1086 /*
1087 * If the device is ancient, we want to make sure that
1088 * the transfer fits into a 6-byte cdb.
1089 *
1090 * XXX Note that the SCSI-I spec says that 256-block transfers
1091 * are allowed in a 6-byte read/write, and are specified
1092 * by settng the "length" to 0. However, we're conservative
1093 * here, allowing only 255-block transfers in case an
1094 * ancient device gets confused by length == 0. A length of 0
1095 * in a 10-byte read/write actually means 0 blocks.
1096 */
1097 if (cd->flags & CDF_ANCIENT) {
1098 xmax = cd->sc_dk.dk_label->d_secsize * 0xff;
1099
1100 if (bp->b_bcount > xmax)
1101 bp->b_bcount = xmax;
1102 }
1103
1104 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp);
1105 }
1106
1107 static int
1108 cdread(dev_t dev, struct uio *uio, int ioflag)
1109 {
1110 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio));
1111 }
1112
1113 static int
1114 cdwrite(dev_t dev, struct uio *uio, int ioflag)
1115 {
1116 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio));
1117 }
1118
1119 #if 0 /* XXX Not used */
1120 /*
1121 * conversion between minute-seconde-frame and logical block address
1122 * addresses format
1123 */
1124 static void
1125 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f)
1126 {
1127 u_long tmp;
1128
1129 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */
1130 tmp &= 0xffffff; /* negative lbas use only 24 bits */
1131 *m = tmp / (CD_SECS * CD_FRAMES);
1132 tmp %= (CD_SECS * CD_FRAMES);
1133 *s = tmp / CD_FRAMES;
1134 *f = tmp % CD_FRAMES;
1135 }
1136 #endif /* XXX Not used */
1137
1138 /*
1139 * Convert an hour:minute:second:frame address to a logical block adres. In
1140 * theory the number of secs/minute and number of frames/second could be
1141 * configured differently in the device as could the block offset but in
1142 * practice these values are rock solid and most drives don't even allow
1143 * theses values to be changed.
1144 */
1145 static uint32_t
1146 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f)
1147 {
1148 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f)
1149 - CD_BLOCK_OFFSET;
1150 }
1151
1152 static int
1153 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr)
1154 {
1155 struct scsipi_periph *periph = cd->sc_periph;
1156 int error;
1157 struct cd_toc_entry *cte;
1158
1159 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc,
1160 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry),
1161 0, 0x40 /* control word for "get MS info" */);
1162
1163 if (error)
1164 return (error);
1165
1166 cte = &toc->entries[0];
1167 if (periph->periph_quirks & PQUIRK_LITTLETOC) {
1168 cte->addr.lba = le32toh(cte->addr.lba);
1169 toc->header.len = le16toh(toc->header.len);
1170 } else {
1171 cte->addr.lba = be32toh(cte->addr.lba);
1172 toc->header.len = be16toh(toc->header.len);
1173 }
1174
1175 *addr = (toc->header.len >= 10 && cte->track > 1) ?
1176 cte->addr.lba : 0;
1177 return 0;
1178 }
1179
1180 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */
1181 static int
1182 cdcachesync(struct scsipi_periph *periph, int flags) {
1183 struct scsi_synchronize_cache_10 cmd;
1184
1185 /*
1186 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0
1187 * and length 0 as it can't synchronise parts of the disc per spec.
1188 * We ignore ILLEGAL REQUEST in the event that the command is not
1189 * supported by the device, and poll for completion so that we know
1190 * that the cache has actually been flushed.
1191 *
1192 * XXX should we handle the PQUIRK_NOSYNCCACHE ?
1193 */
1194
1195 memset(&cmd, 0, sizeof(cmd));
1196 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10;
1197
1198 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0,
1199 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST));
1200 }
1201
1202 static int
1203 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te,
1204 struct cd_formatted_toc *toc)
1205 {
1206 /* READ TOC format 0 command, entries */
1207 struct ioc_toc_header *th;
1208 struct cd_toc_entry *cte;
1209 u_int len = te->data_len;
1210 int ntracks;
1211 int error;
1212
1213 th = &toc->header;
1214
1215 if (len > sizeof(toc->entries) ||
1216 len < sizeof(toc->entries[0]))
1217 return (EINVAL);
1218 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format,
1219 te->starting_track, toc,
1220 sizeof(toc->header) + len,
1221 0, 0);
1222 if (error)
1223 return (error);
1224 if (te->address_format == CD_LBA_FORMAT)
1225 for (ntracks =
1226 th->ending_track - th->starting_track + 1;
1227 ntracks >= 0; ntracks--) {
1228 cte = &toc->entries[ntracks];
1229 cte->addr_type = CD_LBA_FORMAT;
1230 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1231 cte->addr.lba = le32toh(cte->addr.lba);
1232 else
1233 cte->addr.lba = be32toh(cte->addr.lba);
1234 }
1235 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1236 th->len = le16toh(th->len);
1237 else
1238 th->len = be16toh(th->len);
1239 return 0;
1240 }
1241
1242 /*
1243 * Perform special action on behalf of the user.
1244 * Knows about the internals of this device
1245 */
1246 static int
1247 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
1248 {
1249 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev));
1250 struct scsipi_periph *periph = cd->sc_periph;
1251 struct cd_formatted_toc toc;
1252 int part = CDPART(dev);
1253 int error = 0;
1254 int s;
1255 #ifdef __HAVE_OLD_DISKLABEL
1256 struct disklabel *newlabel = NULL;
1257 #endif
1258
1259 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd));
1260
1261 /*
1262 * If the device is not valid, some IOCTLs can still be
1263 * handled on the raw partition. Check this here.
1264 */
1265 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
1266 switch (cmd) {
1267 case DIOCWLABEL:
1268 case DIOCLOCK:
1269 case ODIOCEJECT:
1270 case DIOCEJECT:
1271 case DIOCCACHESYNC:
1272 case SCIOCIDENTIFY:
1273 case OSCIOCIDENTIFY:
1274 case SCIOCCOMMAND:
1275 case SCIOCDEBUG:
1276 case CDIOCGETVOL:
1277 case CDIOCSETVOL:
1278 case CDIOCSETMONO:
1279 case CDIOCSETSTEREO:
1280 case CDIOCSETMUTE:
1281 case CDIOCSETLEFT:
1282 case CDIOCSETRIGHT:
1283 case CDIOCCLOSE:
1284 case CDIOCEJECT:
1285 case CDIOCALLOW:
1286 case CDIOCPREVENT:
1287 case CDIOCSETDEBUG:
1288 case CDIOCCLRDEBUG:
1289 case CDIOCRESET:
1290 case SCIOCRESET:
1291 case CDIOCLOADUNLOAD:
1292 case DVD_AUTH:
1293 case DVD_READ_STRUCT:
1294 case DIOCGSTRATEGY:
1295 case DIOCSSTRATEGY:
1296 if (part == RAW_PART)
1297 break;
1298 /* FALLTHROUGH */
1299 default:
1300 if ((periph->periph_flags & PERIPH_OPEN) == 0)
1301 return (ENODEV);
1302 else
1303 return (EIO);
1304 }
1305 }
1306
1307 error = disk_ioctl(&cd->sc_dk, cmd, addr, flag, l);
1308 if (error != EPASSTHROUGH)
1309 return (error);
1310
1311 switch (cmd) {
1312 case DIOCGDINFO:
1313 *(struct disklabel *)addr = *(cd->sc_dk.dk_label);
1314 return (0);
1315 #ifdef __HAVE_OLD_DISKLABEL
1316 case ODIOCGDINFO:
1317 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1318 if (newlabel == NULL)
1319 return (EIO);
1320 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel));
1321 if (newlabel->d_npartitions > OLDMAXPARTITIONS)
1322 error = ENOTTY;
1323 else
1324 memcpy(addr, newlabel, sizeof (struct olddisklabel));
1325 free(newlabel, M_TEMP);
1326 return error;
1327 #endif
1328
1329 case DIOCGPART:
1330 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label;
1331 ((struct partinfo *)addr)->part =
1332 &cd->sc_dk.dk_label->d_partitions[part];
1333 return (0);
1334
1335 case DIOCWDINFO:
1336 case DIOCSDINFO:
1337 #ifdef __HAVE_OLD_DISKLABEL
1338 case ODIOCWDINFO:
1339 case ODIOCSDINFO:
1340 #endif
1341 {
1342 struct disklabel *lp;
1343
1344 if ((flag & FWRITE) == 0)
1345 return (EBADF);
1346
1347 #ifdef __HAVE_OLD_DISKLABEL
1348 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) {
1349 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1350 if (newlabel == NULL)
1351 return (EIO);
1352 memset(newlabel, 0, sizeof newlabel);
1353 memcpy(newlabel, addr, sizeof (struct olddisklabel));
1354 lp = newlabel;
1355 } else
1356 #endif
1357 lp = addr;
1358
1359 mutex_enter(&cd->sc_lock);
1360 cd->flags |= CDF_LABELLING;
1361
1362 error = setdisklabel(cd->sc_dk.dk_label,
1363 lp, /*cd->sc_dk.dk_openmask : */0,
1364 cd->sc_dk.dk_cpulabel);
1365 if (error == 0) {
1366 /* XXX ? */
1367 }
1368
1369 cd->flags &= ~CDF_LABELLING;
1370 mutex_exit(&cd->sc_lock);
1371 #ifdef __HAVE_OLD_DISKLABEL
1372 if (newlabel != NULL)
1373 free(newlabel, M_TEMP);
1374 #endif
1375 return (error);
1376 }
1377
1378 case DIOCWLABEL:
1379 return (EBADF);
1380
1381 case DIOCGDEFLABEL:
1382 cdgetdefaultlabel(cd, &toc, addr);
1383 return (0);
1384
1385 #ifdef __HAVE_OLD_DISKLABEL
1386 case ODIOCGDEFLABEL:
1387 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK);
1388 if (newlabel == NULL)
1389 return (EIO);
1390 cdgetdefaultlabel(cd, &toc, newlabel);
1391 if (newlabel->d_npartitions > OLDMAXPARTITIONS)
1392 error = ENOTTY;
1393 else
1394 memcpy(addr, newlabel, sizeof (struct olddisklabel));
1395 free(newlabel, M_TEMP);
1396 return error;
1397 #endif
1398
1399 case CDIOCPLAYTRACKS: {
1400 /* PLAY_MSF command */
1401 struct ioc_play_track *args = addr;
1402
1403 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1404 return (error);
1405 return (cd_play_tracks(cd, &toc, args->start_track,
1406 args->start_index, args->end_track, args->end_index));
1407 }
1408 case CDIOCPLAYMSF: {
1409 /* PLAY_MSF command */
1410 struct ioc_play_msf *args = addr;
1411
1412 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1413 return (error);
1414 return (cd_play_msf(cd, args->start_m, args->start_s,
1415 args->start_f, args->end_m, args->end_s, args->end_f));
1416 }
1417 case CDIOCPLAYBLOCKS: {
1418 /* PLAY command */
1419 struct ioc_play_blocks *args = addr;
1420
1421 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1422 return (error);
1423 return (cd_play(cd, args->blk, args->len));
1424 }
1425 case CDIOCREADSUBCHANNEL: {
1426 /* READ_SUBCHANNEL command */
1427 struct ioc_read_subchannel *args = addr;
1428 struct cd_sub_channel_info data;
1429 u_int len = args->data_len;
1430
1431 if (len > sizeof(data) ||
1432 len < sizeof(struct cd_sub_channel_header))
1433 return (EINVAL);
1434 error = cd_read_subchannel(cd, args->address_format,
1435 args->data_format, args->track, &data, len, 0);
1436 if (error)
1437 return (error);
1438 len = min(len, _2btol(data.header.data_len) +
1439 sizeof(struct cd_sub_channel_header));
1440 return (copyout(&data, args->data, len));
1441 }
1442 case CDIOCREADSUBCHANNEL_BUF: {
1443 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */
1444 struct ioc_read_subchannel_buf *args = addr;
1445 if (args->req.data_len != sizeof args->info)
1446 return EINVAL;
1447 return cd_read_subchannel(cd, args->req.address_format,
1448 args->req.data_format, args->req.track, &args->info,
1449 sizeof(args->info), 0);
1450 }
1451 case CDIOREADTOCHEADER: {
1452 /* READ TOC format 0 command, static header */
1453 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0,
1454 &toc, sizeof(toc.header), 0, 0)) != 0)
1455 return (error);
1456 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1457 toc.header.len = le16toh(toc.header.len);
1458 else
1459 toc.header.len = be16toh(toc.header.len);
1460 memcpy(addr, &toc.header, sizeof(toc.header));
1461 return (0);
1462 }
1463 case CDIOREADTOCENTRYS: {
1464 struct ioc_read_toc_entry *te = addr;
1465 error = do_cdioreadentries(cd, te, &toc);
1466 if (error != 0)
1467 return error;
1468 return copyout(toc.entries, te->data, min(te->data_len,
1469 toc.header.len - (sizeof(toc.header.starting_track)
1470 + sizeof(toc.header.ending_track))));
1471 }
1472 case CDIOREADTOCENTRIES_BUF: {
1473 struct ioc_read_toc_entry_buf *te = addr;
1474 error = do_cdioreadentries(cd, &te->req, &toc);
1475 if (error != 0)
1476 return error;
1477 memcpy(te->entry, toc.entries, min(te->req.data_len,
1478 toc.header.len - (sizeof(toc.header.starting_track)
1479 + sizeof(toc.header.ending_track))));
1480 return 0;
1481 }
1482 case CDIOREADMSADDR: {
1483 /* READ TOC format 0 command, length of first track only */
1484 int sessno = *(int*)addr;
1485
1486 if (sessno != 0)
1487 return (EINVAL);
1488
1489 return (cdreadmsaddr(cd, &toc, addr));
1490 }
1491 case CDIOCSETPATCH: {
1492 struct ioc_patch *arg = addr;
1493
1494 return (cd_setchan(cd, arg->patch[0], arg->patch[1],
1495 arg->patch[2], arg->patch[3], 0));
1496 }
1497 case CDIOCGETVOL: {
1498 /* MODE SENSE command (AUDIO page) */
1499 struct ioc_vol *arg = addr;
1500
1501 return (cd_getvol(cd, arg, 0));
1502 }
1503 case CDIOCSETVOL: {
1504 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1505 struct ioc_vol *arg = addr;
1506
1507 return (cd_setvol(cd, arg, 0));
1508 }
1509 case CDIOCSETMONO:
1510 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1511 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL,
1512 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1513
1514 case CDIOCSETSTEREO:
1515 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1516 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL,
1517 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1518
1519 case CDIOCSETMUTE:
1520 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1521 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL,
1522 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1523
1524 case CDIOCSETLEFT:
1525 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1526 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL,
1527 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1528
1529 case CDIOCSETRIGHT:
1530 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1531 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL,
1532 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1533
1534 case CDIOCRESUME:
1535 /* PAUSE command */
1536 return (cd_pause(cd, PA_RESUME));
1537 case CDIOCPAUSE:
1538 /* PAUSE command */
1539 return (cd_pause(cd, PA_PAUSE));
1540 case CDIOCSTART:
1541 return (scsipi_start(periph, SSS_START, 0));
1542 case CDIOCSTOP:
1543 return (scsipi_start(periph, SSS_STOP, 0));
1544 case CDIOCCLOSE:
1545 return (scsipi_start(periph, SSS_START|SSS_LOEJ,
1546 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE));
1547 case DIOCEJECT:
1548 if (*(int *)addr == 0) {
1549 /*
1550 * Don't force eject: check that we are the only
1551 * partition open. If so, unlock it.
1552 */
1553 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 &&
1554 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask ==
1555 cd->sc_dk.dk_openmask) {
1556 error = scsipi_prevent(periph, SPAMR_ALLOW,
1557 XS_CTL_IGNORE_NOT_READY);
1558 if (error)
1559 return (error);
1560 } else {
1561 return (EBUSY);
1562 }
1563 }
1564 /* FALLTHROUGH */
1565 case CDIOCEJECT: /* FALLTHROUGH */
1566 case ODIOCEJECT:
1567 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0));
1568 case DIOCCACHESYNC:
1569 /* SYNCHRONISE CACHES command */
1570 return (cdcachesync(periph, 0));
1571 case CDIOCALLOW:
1572 return (scsipi_prevent(periph, SPAMR_ALLOW, 0));
1573 case CDIOCPREVENT:
1574 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0));
1575 case DIOCLOCK:
1576 return (scsipi_prevent(periph,
1577 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0));
1578 case CDIOCSETDEBUG:
1579 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2);
1580 return (0);
1581 case CDIOCCLRDEBUG:
1582 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2);
1583 return (0);
1584 case CDIOCRESET:
1585 case SCIOCRESET:
1586 return (cd_reset(cd));
1587 case CDIOCLOADUNLOAD:
1588 /* LOAD_UNLOAD command */
1589 return (cd_load_unload(cd, addr));
1590 case DVD_AUTH:
1591 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */
1592 return (dvd_auth(cd, addr));
1593 case DVD_READ_STRUCT:
1594 /* GPCMD_READ_DVD_STRUCTURE command */
1595 return (dvd_read_struct(cd, addr));
1596 case MMCGETDISCINFO:
1597 /*
1598 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO,
1599 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands
1600 */
1601 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr);
1602 case MMCGETTRACKINFO:
1603 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */
1604 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr);
1605 case MMCOP:
1606 /*
1607 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK,
1608 * SYNCHRONISE_CACHE commands
1609 */
1610 return mmc_do_op(periph, (struct mmc_op *) addr);
1611 case MMCSETUPWRITEPARAMS :
1612 /* MODE SENSE page 5, MODE_SELECT page 5 commands */
1613 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr);
1614 case DIOCGSTRATEGY:
1615 {
1616 struct disk_strategy *dks = addr;
1617
1618 s = splbio();
1619 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue),
1620 sizeof(dks->dks_name));
1621 splx(s);
1622 dks->dks_paramlen = 0;
1623
1624 return 0;
1625 }
1626 case DIOCSSTRATEGY:
1627 {
1628 struct disk_strategy *dks = addr;
1629 struct bufq_state *new;
1630 struct bufq_state *old;
1631
1632 if ((flag & FWRITE) == 0) {
1633 return EBADF;
1634 }
1635 if (dks->dks_param != NULL) {
1636 return EINVAL;
1637 }
1638 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */
1639 error = bufq_alloc(&new, dks->dks_name,
1640 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK);
1641 if (error) {
1642 return error;
1643 }
1644 s = splbio();
1645 old = cd->buf_queue;
1646 bufq_move(new, old);
1647 cd->buf_queue = new;
1648 splx(s);
1649 bufq_free(old);
1650
1651 return 0;
1652 }
1653 default:
1654 if (part != RAW_PART)
1655 return (ENOTTY);
1656 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l));
1657 }
1658
1659 #ifdef DIAGNOSTIC
1660 panic("cdioctl: impossible");
1661 #endif
1662 }
1663
1664 static void
1665 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc,
1666 struct disklabel *lp)
1667 {
1668 int lastsession;
1669
1670 memset(lp, 0, sizeof(struct disklabel));
1671
1672 lp->d_secsize = cd->params.blksize;
1673 lp->d_ntracks = 1;
1674 lp->d_nsectors = 100;
1675 lp->d_ncylinders = (cd->params.disksize / 100) + 1;
1676 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
1677
1678 switch (scsipi_periph_bustype(cd->sc_periph)) {
1679 case SCSIPI_BUSTYPE_SCSI:
1680 lp->d_type = DTYPE_SCSI;
1681 break;
1682 case SCSIPI_BUSTYPE_ATAPI:
1683 lp->d_type = DTYPE_ATAPI;
1684 break;
1685 }
1686 /*
1687 * XXX
1688 * We could probe the mode pages to figure out what kind of disc it is.
1689 * Is this worthwhile?
1690 */
1691 strncpy(lp->d_typename, "optical media", 16);
1692 strncpy(lp->d_packname, "fictitious", 16);
1693 lp->d_secperunit = cd->params.disksize;
1694 lp->d_rpm = 300;
1695 lp->d_interleave = 1;
1696 lp->d_flags = D_REMOVABLE | D_SCSI_MMC;
1697
1698 if (cdreadmsaddr(cd, toc, &lastsession) != 0)
1699 lastsession = 0;
1700
1701 lp->d_partitions[0].p_offset = 0;
1702 lp->d_partitions[0].p_size = lp->d_secperunit;
1703 lp->d_partitions[0].p_cdsession = lastsession;
1704 lp->d_partitions[0].p_fstype = FS_ISO9660;
1705
1706 lp->d_partitions[RAW_PART].p_offset = 0;
1707 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit;
1708 lp->d_partitions[RAW_PART].p_fstype = FS_UDF;
1709
1710 lp->d_npartitions = RAW_PART + 1;
1711
1712 lp->d_magic = DISKMAGIC;
1713 lp->d_magic2 = DISKMAGIC;
1714 lp->d_checksum = dkcksum(lp);
1715 }
1716
1717 /*
1718 * Load the label information on the named device
1719 * Actually fabricate a disklabel
1720 *
1721 * EVENTUALLY take information about different
1722 * data tracks from the TOC and put it in the disklabel
1723 */
1724 static void
1725 cdgetdisklabel(struct cd_softc *cd)
1726 {
1727 struct disklabel *lp = cd->sc_dk.dk_label;
1728 struct cd_formatted_toc toc;
1729 const char *errstring;
1730 int bmajor;
1731
1732 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
1733
1734 cdgetdefaultlabel(cd, &toc, lp);
1735
1736 /*
1737 * Call the generic disklabel extraction routine
1738 *
1739 * bmajor follows ata_raid code
1740 */
1741 bmajor = devsw_name2blk(device_xname(cd->sc_dev), NULL, 0);
1742 errstring = readdisklabel(MAKECDDEV(bmajor,
1743 device_unit(cd->sc_dev), RAW_PART),
1744 cdstrategy, lp, cd->sc_dk.dk_cpulabel);
1745
1746 /* if all went OK, we are passed a NULL error string */
1747 if (errstring == NULL)
1748 return;
1749
1750 /* Reset to default label -- after printing error and the warning */
1751 aprint_error_dev(cd->sc_dev, "%s\n", errstring);
1752 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
1753 cdgetdefaultlabel(cd, &toc, lp);
1754 }
1755
1756 /*
1757 * Reading a discs total capacity is aparently a very difficult issue for the
1758 * SCSI standardisation group. Every disc type seems to have its own
1759 * (re)invented size request method and modifiers. The failsafe way of
1760 * determining the total (max) capacity i.e. not the recorded capacity but the
1761 * total maximum capacity is to request the info on the last track and
1762 * calucate the total size.
1763 *
1764 * For ROM drives, we go for the CD recorded capacity. For recordable devices
1765 * we count.
1766 */
1767 static int
1768 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size)
1769 {
1770 struct scsipi_read_cd_capacity cap_cmd;
1771 struct scsipi_read_cd_cap_data cap;
1772 struct scsipi_read_discinfo di_cmd;
1773 struct scsipi_read_discinfo_data di;
1774 struct scsipi_read_trackinfo ti_cmd;
1775 struct scsipi_read_trackinfo_data ti;
1776 uint32_t track_start, track_size;
1777 int error, flags, msb, lsb, last_track;
1778
1779 /* if the device doesn't grog capacity, return the dummies */
1780 if (periph->periph_quirks & PQUIRK_NOCAPACITY)
1781 return 0;
1782
1783 /* first try read CD capacity for blksize and recorded size */
1784 /* issue the cd capacity request */
1785 flags = XS_CTL_DATA_IN;
1786 memset(&cap_cmd, 0, sizeof(cap_cmd));
1787 cap_cmd.opcode = READ_CD_CAPACITY;
1788
1789 error = scsipi_command(periph,
1790 (void *) &cap_cmd, sizeof(cap_cmd),
1791 (void *) &cap, sizeof(cap),
1792 CDRETRIES, 30000, NULL, flags);
1793 if (error)
1794 return error;
1795
1796 /* retrieve values and sanity check them */
1797 *blksize = _4btol(cap.length);
1798 *size = _4btol(cap.addr);
1799
1800 /* blksize is 2048 for CD, but some drives give gibberish */
1801 if ((*blksize < 512) || ((*blksize & 511) != 0))
1802 *blksize = 2048; /* some drives lie ! */
1803
1804 /* recordables have READ_DISCINFO implemented */
1805 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
1806 memset(&di_cmd, 0, sizeof(di_cmd));
1807 di_cmd.opcode = READ_DISCINFO;
1808 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len);
1809
1810 error = scsipi_command(periph,
1811 (void *) &di_cmd, sizeof(di_cmd),
1812 (void *) &di, READ_DISCINFO_BIGSIZE,
1813 CDRETRIES, 30000, NULL, flags);
1814 if (error == 0) {
1815 msb = di.last_track_last_session_msb;
1816 lsb = di.last_track_last_session_lsb;
1817 last_track = (msb << 8) | lsb;
1818
1819 /* request info on last track */
1820 memset(&ti_cmd, 0, sizeof(ti_cmd));
1821 ti_cmd.opcode = READ_TRACKINFO;
1822 ti_cmd.addr_type = 1; /* on tracknr */
1823 _lto4b(last_track, ti_cmd.address); /* tracknr */
1824 _lto2b(sizeof(ti), ti_cmd.data_len);
1825
1826 error = scsipi_command(periph,
1827 (void *) &ti_cmd, sizeof(ti_cmd),
1828 (void *) &ti, sizeof(ti),
1829 CDRETRIES, 30000, NULL, flags);
1830 if (error == 0) {
1831 track_start = _4btol(ti.track_start);
1832 track_size = _4btol(ti.track_size);
1833
1834 /* overwrite only with a sane value */
1835 if (track_start + track_size >= 100)
1836 *size = track_start + track_size;
1837 }
1838 }
1839
1840 /* sanity check for size */
1841 if (*size < 100)
1842 *size = 400000;
1843
1844 return 0;
1845 }
1846
1847 /*
1848 * Find out from the device what it's capacity is
1849 */
1850 static u_long
1851 cd_size(struct cd_softc *cd, int flags)
1852 {
1853 u_int blksize;
1854 u_long size;
1855 int error;
1856
1857 /* set up fake values */
1858 blksize = 2048;
1859 size = 400000;
1860
1861 /* if this function bounces with an error return fake value */
1862 error = read_cd_capacity(cd->sc_periph, &blksize, &size);
1863 if (error)
1864 return size;
1865
1866 if (blksize != 2048) {
1867 if (cd_setblksize(cd) == 0)
1868 blksize = 2048;
1869 }
1870 cd->params.blksize = blksize;
1871 cd->params.disksize = size;
1872 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE;
1873
1874 SC_DEBUG(cd->sc_periph, SCSIPI_DB2,
1875 ("cd_size: %u %lu\n", blksize, size));
1876
1877 return size;
1878 }
1879
1880 /*
1881 * Get scsi driver to send a "start playing" command
1882 */
1883 static int
1884 cd_play(struct cd_softc *cd, int blkno, int nblks)
1885 {
1886 struct scsipi_play cmd;
1887
1888 memset(&cmd, 0, sizeof(cmd));
1889 cmd.opcode = PLAY;
1890 _lto4b(blkno, cmd.blk_addr);
1891 _lto2b(nblks, cmd.xfer_len);
1892
1893 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1894 CDRETRIES, 30000, NULL, 0));
1895 }
1896
1897 /*
1898 * Get scsi driver to send a "start playing" command
1899 */
1900 static int
1901 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack,
1902 int sindex, int etrack, int eindex)
1903 {
1904 int error;
1905
1906 if (!etrack)
1907 return (EIO);
1908 if (strack > etrack)
1909 return (EINVAL);
1910
1911 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0);
1912 if (error)
1913 return (error);
1914
1915 if (++etrack > (toc->header.ending_track+1))
1916 etrack = toc->header.ending_track+1;
1917
1918 strack -= toc->header.starting_track;
1919 etrack -= toc->header.starting_track;
1920 if (strack < 0)
1921 return (EINVAL);
1922
1923 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute,
1924 toc->entries[strack].addr.msf.second,
1925 toc->entries[strack].addr.msf.frame,
1926 toc->entries[etrack].addr.msf.minute,
1927 toc->entries[etrack].addr.msf.second,
1928 toc->entries[etrack].addr.msf.frame));
1929 }
1930
1931 /*
1932 * Get scsi driver to send a "play msf" command
1933 */
1934 static int
1935 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm,
1936 int ends, int endf)
1937 {
1938 struct scsipi_play_msf cmd;
1939
1940 memset(&cmd, 0, sizeof(cmd));
1941 cmd.opcode = PLAY_MSF;
1942 cmd.start_m = startm;
1943 cmd.start_s = starts;
1944 cmd.start_f = startf;
1945 cmd.end_m = endm;
1946 cmd.end_s = ends;
1947 cmd.end_f = endf;
1948
1949 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1950 CDRETRIES, 30000, NULL, 0));
1951 }
1952
1953 /*
1954 * Get scsi driver to send a "start up" command
1955 */
1956 static int
1957 cd_pause(struct cd_softc *cd, int go)
1958 {
1959 struct scsipi_pause cmd;
1960
1961 memset(&cmd, 0, sizeof(cmd));
1962 cmd.opcode = PAUSE;
1963 cmd.resume = go & 0xff;
1964
1965 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1966 CDRETRIES, 30000, NULL, 0));
1967 }
1968
1969 /*
1970 * Get scsi driver to send a "RESET" command
1971 */
1972 static int
1973 cd_reset(struct cd_softc *cd)
1974 {
1975
1976 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0,
1977 CDRETRIES, 30000, NULL, XS_CTL_RESET));
1978 }
1979
1980 /*
1981 * Read subchannel
1982 */
1983 static int
1984 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track,
1985 struct cd_sub_channel_info *data, int len, int flags)
1986 {
1987 struct scsipi_read_subchannel cmd;
1988
1989 memset(&cmd, 0, sizeof(cmd));
1990 cmd.opcode = READ_SUBCHANNEL;
1991 if (mode == CD_MSF_FORMAT)
1992 cmd.byte2 |= CD_MSF;
1993 cmd.byte3 = SRS_SUBQ;
1994 cmd.subchan_format = format;
1995 cmd.track = track;
1996 _lto2b(len, cmd.data_len);
1997
1998 return (scsipi_command(cd->sc_periph,
1999 (void *)&cmd, sizeof(struct scsipi_read_subchannel),
2000 (void *)data, len,
2001 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT));
2002 }
2003
2004 /*
2005 * Read table of contents
2006 */
2007 static int
2008 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start,
2009 struct cd_formatted_toc *toc, int len, int flags, int control)
2010 {
2011 struct scsipi_read_toc cmd;
2012 int ntoc;
2013
2014 memset(&cmd, 0, sizeof(cmd));
2015 #if 0
2016 if (len != sizeof(struct ioc_toc_header))
2017 ntoc = ((len) - sizeof(struct ioc_toc_header)) /
2018 sizeof(struct cd_toc_entry);
2019 else
2020 #endif
2021 ntoc = len;
2022 cmd.opcode = READ_TOC;
2023 if (mode == CD_MSF_FORMAT)
2024 cmd.addr_mode |= CD_MSF;
2025 cmd.resp_format = respf;
2026 cmd.from_track = start;
2027 _lto2b(ntoc, cmd.data_len);
2028 cmd.control = control;
2029
2030 return (scsipi_command(cd->sc_periph,
2031 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES,
2032 30000, NULL, flags | XS_CTL_DATA_IN));
2033 }
2034
2035 static int
2036 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags)
2037 {
2038 int ntracks, len, error;
2039
2040 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header),
2041 flags, 0)) != 0)
2042 return (error);
2043
2044 ntracks = toc->header.ending_track - toc->header.starting_track + 1;
2045 len = (ntracks + 1) * sizeof(struct cd_toc_entry) +
2046 sizeof(toc->header);
2047 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len,
2048 flags, 0)) != 0)
2049 return (error);
2050 return (0);
2051 }
2052
2053 /*
2054 * Get the scsi driver to send a full inquiry to the device and use the
2055 * results to fill out the disk parameter structure.
2056 */
2057 static int
2058 cd_get_parms(struct cd_softc *cd, int flags)
2059 {
2060
2061 /*
2062 * give a number of sectors so that sec * trks * cyls
2063 * is <= disk_size
2064 */
2065 if (cd_size(cd, flags) == 0)
2066 return (ENXIO);
2067 disk_blocksize(&cd->sc_dk, cd->params.blksize);
2068 return (0);
2069 }
2070
2071 static int
2072 cdsize(dev_t dev)
2073 {
2074
2075 /* CD-ROMs are read-only. */
2076 return (-1);
2077 }
2078
2079 static int
2080 cddump(dev_t dev, daddr_t blkno, void *va, size_t size)
2081 {
2082
2083 /* Not implemented. */
2084 return (ENXIO);
2085 }
2086
2087 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key))
2088 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge))
2089
2090 static int
2091 dvd_auth(struct cd_softc *cd, dvd_authinfo *a)
2092 {
2093 struct scsipi_generic cmd;
2094 u_int8_t bf[20];
2095 int error;
2096
2097 memset(cmd.bytes, 0, 15);
2098 memset(bf, 0, sizeof(bf));
2099
2100 switch (a->type) {
2101 case DVD_LU_SEND_AGID:
2102 cmd.opcode = GPCMD_REPORT_KEY;
2103 cmd.bytes[8] = 8;
2104 cmd.bytes[9] = 0 | (0 << 6);
2105 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
2106 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2107 if (error)
2108 return (error);
2109 a->lsa.agid = bf[7] >> 6;
2110 return (0);
2111
2112 case DVD_LU_SEND_CHALLENGE:
2113 cmd.opcode = GPCMD_REPORT_KEY;
2114 cmd.bytes[8] = 16;
2115 cmd.bytes[9] = 1 | (a->lsc.agid << 6);
2116 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
2117 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2118 if (error)
2119 return (error);
2120 dvd_copy_challenge(a->lsc.chal, &bf[4]);
2121 return (0);
2122
2123 case DVD_LU_SEND_KEY1:
2124 cmd.opcode = GPCMD_REPORT_KEY;
2125 cmd.bytes[8] = 12;
2126 cmd.bytes[9] = 2 | (a->lsk.agid << 6);
2127 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
2128 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2129 if (error)
2130 return (error);
2131 dvd_copy_key(a->lsk.key, &bf[4]);
2132 return (0);
2133
2134 case DVD_LU_SEND_TITLE_KEY:
2135 cmd.opcode = GPCMD_REPORT_KEY;
2136 _lto4b(a->lstk.lba, &cmd.bytes[1]);
2137 cmd.bytes[8] = 12;
2138 cmd.bytes[9] = 4 | (a->lstk.agid << 6);
2139 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
2140 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2141 if (error)
2142 return (error);
2143 a->lstk.cpm = (bf[4] >> 7) & 1;
2144 a->lstk.cp_sec = (bf[4] >> 6) & 1;
2145 a->lstk.cgms = (bf[4] >> 4) & 3;
2146 dvd_copy_key(a->lstk.title_key, &bf[5]);
2147 return (0);
2148
2149 case DVD_LU_SEND_ASF:
2150 cmd.opcode = GPCMD_REPORT_KEY;
2151 cmd.bytes[8] = 8;
2152 cmd.bytes[9] = 5 | (a->lsasf.agid << 6);
2153 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
2154 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2155 if (error)
2156 return (error);
2157 a->lsasf.asf = bf[7] & 1;
2158 return (0);
2159
2160 case DVD_HOST_SEND_CHALLENGE:
2161 cmd.opcode = GPCMD_SEND_KEY;
2162 cmd.bytes[8] = 16;
2163 cmd.bytes[9] = 1 | (a->hsc.agid << 6);
2164 bf[1] = 14;
2165 dvd_copy_challenge(&bf[4], a->hsc.chal);
2166 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
2167 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
2168 if (error)
2169 return (error);
2170 a->type = DVD_LU_SEND_KEY1;
2171 return (0);
2172
2173 case DVD_HOST_SEND_KEY2:
2174 cmd.opcode = GPCMD_SEND_KEY;
2175 cmd.bytes[8] = 12;
2176 cmd.bytes[9] = 3 | (a->hsk.agid << 6);
2177 bf[1] = 10;
2178 dvd_copy_key(&bf[4], a->hsk.key);
2179 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
2180 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
2181 if (error) {
2182 a->type = DVD_AUTH_FAILURE;
2183 return (error);
2184 }
2185 a->type = DVD_AUTH_ESTABLISHED;
2186 return (0);
2187
2188 case DVD_INVALIDATE_AGID:
2189 cmd.opcode = GPCMD_REPORT_KEY;
2190 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6);
2191 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
2192 CDRETRIES, 30000, NULL, 0);
2193 if (error)
2194 return (error);
2195 return (0);
2196
2197 case DVD_LU_SEND_RPC_STATE:
2198 cmd.opcode = GPCMD_REPORT_KEY;
2199 cmd.bytes[8] = 8;
2200 cmd.bytes[9] = 8 | (0 << 6);
2201 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
2202 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2203 if (error)
2204 return (error);
2205 a->lrpcs.type = (bf[4] >> 6) & 3;
2206 a->lrpcs.vra = (bf[4] >> 3) & 7;
2207 a->lrpcs.ucca = (bf[4]) & 7;
2208 a->lrpcs.region_mask = bf[5];
2209 a->lrpcs.rpc_scheme = bf[6];
2210 return (0);
2211
2212 case DVD_HOST_SEND_RPC_STATE:
2213 cmd.opcode = GPCMD_SEND_KEY;
2214 cmd.bytes[8] = 8;
2215 cmd.bytes[9] = 6 | (0 << 6);
2216 bf[1] = 6;
2217 bf[4] = a->hrpcs.pdrc;
2218 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
2219 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
2220 if (error)
2221 return (error);
2222 return (0);
2223
2224 default:
2225 return (ENOTTY);
2226 }
2227 }
2228
2229 static int
2230 dvd_read_physical(struct cd_softc *cd, dvd_struct *s)
2231 {
2232 struct scsipi_generic cmd;
2233 u_int8_t bf[4 + 4 * 20], *bufp;
2234 int error;
2235 struct dvd_layer *layer;
2236 int i;
2237
2238 memset(cmd.bytes, 0, 15);
2239 memset(bf, 0, sizeof(bf));
2240 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2241 cmd.bytes[6] = s->type;
2242 _lto2b(sizeof(bf), &cmd.bytes[7]);
2243
2244 cmd.bytes[5] = s->physical.layer_num;
2245 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2246 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2247 if (error)
2248 return (error);
2249 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4;
2250 i++, bufp += 20, layer++) {
2251 memset(layer, 0, sizeof(*layer));
2252 layer->book_version = bufp[0] & 0xf;
2253 layer->book_type = bufp[0] >> 4;
2254 layer->min_rate = bufp[1] & 0xf;
2255 layer->disc_size = bufp[1] >> 4;
2256 layer->layer_type = bufp[2] & 0xf;
2257 layer->track_path = (bufp[2] >> 4) & 1;
2258 layer->nlayers = (bufp[2] >> 5) & 3;
2259 layer->track_density = bufp[3] & 0xf;
2260 layer->linear_density = bufp[3] >> 4;
2261 layer->start_sector = _4btol(&bufp[4]);
2262 layer->end_sector = _4btol(&bufp[8]);
2263 layer->end_sector_l0 = _4btol(&bufp[12]);
2264 layer->bca = bufp[16] >> 7;
2265 }
2266 return (0);
2267 }
2268
2269 static int
2270 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s)
2271 {
2272 struct scsipi_generic cmd;
2273 u_int8_t bf[8];
2274 int error;
2275
2276 memset(cmd.bytes, 0, 15);
2277 memset(bf, 0, sizeof(bf));
2278 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2279 cmd.bytes[6] = s->type;
2280 _lto2b(sizeof(bf), &cmd.bytes[7]);
2281
2282 cmd.bytes[5] = s->copyright.layer_num;
2283 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2284 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2285 if (error)
2286 return (error);
2287 s->copyright.cpst = bf[4];
2288 s->copyright.rmi = bf[5];
2289 return (0);
2290 }
2291
2292 static int
2293 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s)
2294 {
2295 struct scsipi_generic cmd;
2296 u_int8_t *bf;
2297 int error;
2298
2299 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2300 if (bf == NULL)
2301 return EIO;
2302 memset(cmd.bytes, 0, 15);
2303 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2304 cmd.bytes[6] = s->type;
2305 _lto2b(4 + 2048, &cmd.bytes[7]);
2306
2307 cmd.bytes[9] = s->disckey.agid << 6;
2308 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2309 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2310 if (error == 0)
2311 memcpy(s->disckey.value, &bf[4], 2048);
2312 free(bf, M_TEMP);
2313 return error;
2314 }
2315
2316 static int
2317 dvd_read_bca(struct cd_softc *cd, dvd_struct *s)
2318 {
2319 struct scsipi_generic cmd;
2320 u_int8_t bf[4 + 188];
2321 int error;
2322
2323 memset(cmd.bytes, 0, 15);
2324 memset(bf, 0, sizeof(bf));
2325 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2326 cmd.bytes[6] = s->type;
2327 _lto2b(sizeof(bf), &cmd.bytes[7]);
2328
2329 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2330 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2331 if (error)
2332 return (error);
2333 s->bca.len = _2btol(&bf[0]);
2334 if (s->bca.len < 12 || s->bca.len > 188)
2335 return (EIO);
2336 memcpy(s->bca.value, &bf[4], s->bca.len);
2337 return (0);
2338 }
2339
2340 static int
2341 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s)
2342 {
2343 struct scsipi_generic cmd;
2344 u_int8_t *bf;
2345 int error;
2346
2347 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2348 if (bf == NULL)
2349 return (EIO);
2350 memset(cmd.bytes, 0, 15);
2351 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2352 cmd.bytes[6] = s->type;
2353 _lto2b(4 + 2048, &cmd.bytes[7]);
2354
2355 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2356 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2357 if (error == 0) {
2358 s->manufact.len = _2btol(&bf[0]);
2359 if (s->manufact.len >= 0 && s->manufact.len <= 2048)
2360 memcpy(s->manufact.value, &bf[4], s->manufact.len);
2361 else
2362 error = EIO;
2363 }
2364 free(bf, M_TEMP);
2365 return error;
2366 }
2367
2368 static int
2369 dvd_read_struct(struct cd_softc *cd, dvd_struct *s)
2370 {
2371
2372 switch (s->type) {
2373 case DVD_STRUCT_PHYSICAL:
2374 return (dvd_read_physical(cd, s));
2375 case DVD_STRUCT_COPYRIGHT:
2376 return (dvd_read_copyright(cd, s));
2377 case DVD_STRUCT_DISCKEY:
2378 return (dvd_read_disckey(cd, s));
2379 case DVD_STRUCT_BCA:
2380 return (dvd_read_bca(cd, s));
2381 case DVD_STRUCT_MANUFACT:
2382 return (dvd_read_manufact(cd, s));
2383 default:
2384 return (EINVAL);
2385 }
2386 }
2387
2388 static int
2389 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2390 int page, int flags, int *big)
2391 {
2392
2393 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) {
2394 *big = 1;
2395 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense,
2396 size + sizeof(struct scsi_mode_parameter_header_10),
2397 flags, CDRETRIES, 20000);
2398 } else {
2399 *big = 0;
2400 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense,
2401 size + sizeof(struct scsi_mode_parameter_header_6),
2402 flags, CDRETRIES, 20000);
2403 }
2404 }
2405
2406 static int
2407 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2408 int flags, int big)
2409 {
2410
2411 if (big) {
2412 struct scsi_mode_parameter_header_10 *header = sense;
2413
2414 _lto2b(0, header->data_length);
2415 return scsipi_mode_select_big(cd->sc_periph, byte2, sense,
2416 size + sizeof(struct scsi_mode_parameter_header_10),
2417 flags, CDRETRIES, 20000);
2418 } else {
2419 struct scsi_mode_parameter_header_6 *header = sense;
2420
2421 header->data_length = 0;
2422 return scsipi_mode_select(cd->sc_periph, byte2, sense,
2423 size + sizeof(struct scsi_mode_parameter_header_6),
2424 flags, CDRETRIES, 20000);
2425 }
2426 }
2427
2428 static int
2429 cd_set_pa_immed(struct cd_softc *cd, int flags)
2430 {
2431 struct {
2432 union {
2433 struct scsi_mode_parameter_header_6 small;
2434 struct scsi_mode_parameter_header_10 big;
2435 } header;
2436 struct cd_audio_page page;
2437 } data;
2438 int error;
2439 uint8_t oflags;
2440 int big, byte2;
2441 struct cd_audio_page *page;
2442
2443 byte2 = SMS_DBD;
2444 try_again:
2445 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2446 AUDIO_PAGE, flags, &big)) != 0) {
2447 if (byte2 == SMS_DBD) {
2448 /* Device may not understand DBD; retry without */
2449 byte2 = 0;
2450 goto try_again;
2451 }
2452 return (error);
2453 }
2454
2455 if (big)
2456 page = (void *)((u_long)&data.header.big +
2457 sizeof data.header.big +
2458 _2btol(data.header.big.blk_desc_len));
2459 else
2460 page = (void *)((u_long)&data.header.small +
2461 sizeof data.header.small +
2462 data.header.small.blk_desc_len);
2463
2464 oflags = page->flags;
2465 page->flags &= ~CD_PA_SOTC;
2466 page->flags |= CD_PA_IMMED;
2467 if (oflags == page->flags)
2468 return (0);
2469
2470 return (cd_mode_select(cd, SMS_PF, &data,
2471 sizeof(struct scsi_mode_page_header) + page->pg_length,
2472 flags, big));
2473 }
2474
2475 static int
2476 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags)
2477 {
2478 struct {
2479 union {
2480 struct scsi_mode_parameter_header_6 small;
2481 struct scsi_mode_parameter_header_10 big;
2482 } header;
2483 struct cd_audio_page page;
2484 } data;
2485 int error;
2486 int big, byte2;
2487 struct cd_audio_page *page;
2488
2489 byte2 = SMS_DBD;
2490 try_again:
2491 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2492 AUDIO_PAGE, flags, &big)) != 0) {
2493 if (byte2 == SMS_DBD) {
2494 /* Device may not understand DBD; retry without */
2495 byte2 = 0;
2496 goto try_again;
2497 }
2498 return (error);
2499 }
2500
2501 if (big)
2502 page = (void *)((u_long)&data.header.big +
2503 sizeof data.header.big +
2504 _2btol(data.header.big.blk_desc_len));
2505 else
2506 page = (void *)((u_long)&data.header.small +
2507 sizeof data.header.small +
2508 data.header.small.blk_desc_len);
2509
2510 page->port[0].channels = p0;
2511 page->port[1].channels = p1;
2512 page->port[2].channels = p2;
2513 page->port[3].channels = p3;
2514
2515 return (cd_mode_select(cd, SMS_PF, &data,
2516 sizeof(struct scsi_mode_page_header) + page->pg_length,
2517 flags, big));
2518 }
2519
2520 static int
2521 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags)
2522 {
2523 struct {
2524 union {
2525 struct scsi_mode_parameter_header_6 small;
2526 struct scsi_mode_parameter_header_10 big;
2527 } header;
2528 struct cd_audio_page page;
2529 } data;
2530 int error;
2531 int big, byte2;
2532 struct cd_audio_page *page;
2533
2534 byte2 = SMS_DBD;
2535 try_again:
2536 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2537 AUDIO_PAGE, flags, &big)) != 0) {
2538 if (byte2 == SMS_DBD) {
2539 /* Device may not understand DBD; retry without */
2540 byte2 = 0;
2541 goto try_again;
2542 }
2543 return (error);
2544 }
2545
2546 if (big)
2547 page = (void *)((u_long)&data.header.big +
2548 sizeof data.header.big +
2549 _2btol(data.header.big.blk_desc_len));
2550 else
2551 page = (void *)((u_long)&data.header.small +
2552 sizeof data.header.small +
2553 data.header.small.blk_desc_len);
2554
2555 arg->vol[0] = page->port[0].volume;
2556 arg->vol[1] = page->port[1].volume;
2557 arg->vol[2] = page->port[2].volume;
2558 arg->vol[3] = page->port[3].volume;
2559
2560 return (0);
2561 }
2562
2563 static int
2564 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags)
2565 {
2566 struct {
2567 union {
2568 struct scsi_mode_parameter_header_6 small;
2569 struct scsi_mode_parameter_header_10 big;
2570 } header;
2571 struct cd_audio_page page;
2572 } data, mask;
2573 int error;
2574 int big, byte2;
2575 struct cd_audio_page *page, *page2;
2576
2577 byte2 = SMS_DBD;
2578 try_again:
2579 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2580 AUDIO_PAGE, flags, &big)) != 0) {
2581 if (byte2 == SMS_DBD) {
2582 /* Device may not understand DBD; retry without */
2583 byte2 = 0;
2584 goto try_again;
2585 }
2586 return (error);
2587 }
2588 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page),
2589 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0)
2590 return (error);
2591
2592 if (big) {
2593 page = (void *)((u_long)&data.header.big +
2594 sizeof data.header.big +
2595 _2btol(data.header.big.blk_desc_len));
2596 page2 = (void *)((u_long)&mask.header.big +
2597 sizeof mask.header.big +
2598 _2btol(mask.header.big.blk_desc_len));
2599 } else {
2600 page = (void *)((u_long)&data.header.small +
2601 sizeof data.header.small +
2602 data.header.small.blk_desc_len);
2603 page2 = (void *)((u_long)&mask.header.small +
2604 sizeof mask.header.small +
2605 mask.header.small.blk_desc_len);
2606 }
2607
2608 page->port[0].volume = arg->vol[0] & page2->port[0].volume;
2609 page->port[1].volume = arg->vol[1] & page2->port[1].volume;
2610 page->port[2].volume = arg->vol[2] & page2->port[2].volume;
2611 page->port[3].volume = arg->vol[3] & page2->port[3].volume;
2612
2613 page->port[0].channels = CHANNEL_0;
2614 page->port[1].channels = CHANNEL_1;
2615
2616 return (cd_mode_select(cd, SMS_PF, &data,
2617 sizeof(struct scsi_mode_page_header) + page->pg_length,
2618 flags, big));
2619 }
2620
2621 static int
2622 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args)
2623 {
2624 struct scsipi_load_unload cmd;
2625
2626 memset(&cmd, 0, sizeof(cmd));
2627 cmd.opcode = LOAD_UNLOAD;
2628 cmd.options = args->options; /* ioctl uses MMC values */
2629 cmd.slot = args->slot;
2630
2631 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
2632 CDRETRIES, 200000, NULL, 0));
2633 }
2634
2635 static int
2636 cd_setblksize(struct cd_softc *cd)
2637 {
2638 struct {
2639 union {
2640 struct scsi_mode_parameter_header_6 small;
2641 struct scsi_mode_parameter_header_10 big;
2642 } header;
2643 struct scsi_general_block_descriptor blk_desc;
2644 } data;
2645 int error;
2646 int big, bsize;
2647 struct scsi_general_block_descriptor *bdesc;
2648
2649 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0,
2650 &big)) != 0)
2651 return (error);
2652
2653 if (big) {
2654 bdesc = (void *)(&data.header.big + 1);
2655 bsize = _2btol(data.header.big.blk_desc_len);
2656 } else {
2657 bdesc = (void *)(&data.header.small + 1);
2658 bsize = data.header.small.blk_desc_len;
2659 }
2660
2661 if (bsize == 0) {
2662 printf("cd_setblksize: trying to change bsize, but no blk_desc\n");
2663 return (EINVAL);
2664 }
2665 if (_3btol(bdesc->blklen) == 2048) {
2666 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n");
2667 return (EINVAL);
2668 }
2669
2670 _lto3b(2048, bdesc->blklen);
2671
2672 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0,
2673 big));
2674 }
2675
2676
2677 static int
2678 mmc_profile2class(uint16_t mmc_profile)
2679 {
2680 switch (mmc_profile) {
2681 case 0x01 : /* SCSI discs */
2682 case 0x02 :
2683 /* this can't happen really, cd.c wouldn't have matched */
2684 return MMC_CLASS_DISC;
2685 case 0x03 : /* Magneto Optical with sector erase */
2686 case 0x04 : /* Magneto Optical write once */
2687 case 0x05 : /* Advance Storage Magneto Optical */
2688 return MMC_CLASS_MO;
2689 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */
2690 case 0x08 : /* CD-ROM */
2691 case 0x09 : /* CD-R */
2692 case 0x0a : /* CD-RW */
2693 return MMC_CLASS_CD;
2694 case 0x10 : /* DVD-ROM */
2695 case 0x11 : /* DVD-R */
2696 case 0x12 : /* DVD-RAM */
2697 case 0x13 : /* DVD-RW restricted overwrite */
2698 case 0x14 : /* DVD-RW sequential */
2699 case 0x1a : /* DVD+RW */
2700 case 0x1b : /* DVD+R */
2701 case 0x2a : /* DVD+RW Dual layer */
2702 case 0x2b : /* DVD+R Dual layer */
2703 case 0x50 : /* HD DVD-ROM */
2704 case 0x51 : /* HD DVD-R */
2705 case 0x52 : /* HD DVD-RW; DVD-RAM like */
2706 return MMC_CLASS_DVD;
2707 case 0x40 : /* BD-ROM */
2708 case 0x41 : /* BD-R Sequential recording (SRM) */
2709 case 0x42 : /* BD-R Ramdom Recording (RRM) */
2710 case 0x43 : /* BD-RE */
2711 return MMC_CLASS_BD;
2712 }
2713 return MMC_CLASS_UNKN;
2714 }
2715
2716
2717 /*
2718 * Drive/media combination is reflected in a series of features that can
2719 * either be current or dormant. We try to make sense out of them to create a
2720 * set of easy to use flags that abstract the device/media capabilities.
2721 */
2722
2723 static void
2724 mmc_process_feature(struct mmc_discinfo *mmc_discinfo,
2725 uint16_t feature, int cur, uint8_t *rpos)
2726 {
2727 uint32_t blockingnr;
2728 uint64_t flags;
2729
2730 if (cur == 1) {
2731 flags = mmc_discinfo->mmc_cur;
2732 } else {
2733 flags = mmc_discinfo->mmc_cap;
2734 }
2735
2736 switch (feature) {
2737 case 0x0010 : /* random readable feature */
2738 blockingnr = rpos[5] | (rpos[4] << 8);
2739 if (blockingnr > 1)
2740 flags |= MMC_CAP_PACKET;
2741
2742 /* RW error page */
2743 break;
2744 case 0x0020 : /* random writable feature */
2745 flags |= MMC_CAP_RECORDABLE;
2746 flags |= MMC_CAP_REWRITABLE;
2747 blockingnr = rpos[9] | (rpos[8] << 8);
2748 if (blockingnr > 1)
2749 flags |= MMC_CAP_PACKET;
2750 break;
2751 case 0x0021 : /* incremental streaming write feature */
2752 flags |= MMC_CAP_RECORDABLE;
2753 flags |= MMC_CAP_SEQUENTIAL;
2754 if (cur)
2755 mmc_discinfo->link_block_penalty = rpos[4];
2756 if (rpos[2] & 1)
2757 flags |= MMC_CAP_ZEROLINKBLK;
2758 break;
2759 case 0x0022 : /* (obsolete) erase support feature */
2760 flags |= MMC_CAP_RECORDABLE;
2761 flags |= MMC_CAP_ERASABLE;
2762 break;
2763 case 0x0023 : /* formatting media support feature */
2764 flags |= MMC_CAP_RECORDABLE;
2765 flags |= MMC_CAP_FORMATTABLE;
2766 break;
2767 case 0x0024 : /* hardware assised defect management feature */
2768 flags |= MMC_CAP_HW_DEFECTFREE;
2769 break;
2770 case 0x0025 : /* write once */
2771 flags |= MMC_CAP_RECORDABLE;
2772 break;
2773 case 0x0026 : /* restricted overwrite feature */
2774 flags |= MMC_CAP_RECORDABLE;
2775 flags |= MMC_CAP_REWRITABLE;
2776 flags |= MMC_CAP_STRICTOVERWRITE;
2777 break;
2778 case 0x0028 : /* MRW formatted media support feature */
2779 flags |= MMC_CAP_MRW;
2780 break;
2781 case 0x002b : /* DVD+R read (and opt. write) support */
2782 flags |= MMC_CAP_SEQUENTIAL;
2783 if (rpos[0] & 1) /* write support */
2784 flags |= MMC_CAP_RECORDABLE;
2785 break;
2786 case 0x002c : /* rigid restricted overwrite feature */
2787 flags |= MMC_CAP_RECORDABLE;
2788 flags |= MMC_CAP_REWRITABLE;
2789 flags |= MMC_CAP_STRICTOVERWRITE;
2790 if (rpos[0] & 1) /* blank bit */
2791 flags |= MMC_CAP_BLANKABLE;
2792 break;
2793 case 0x002d : /* track at once recording feature */
2794 flags |= MMC_CAP_RECORDABLE;
2795 flags |= MMC_CAP_SEQUENTIAL;
2796 break;
2797 case 0x002f : /* DVD-R/-RW write feature */
2798 flags |= MMC_CAP_RECORDABLE;
2799 if (rpos[0] & 2) /* DVD-RW bit */
2800 flags |= MMC_CAP_BLANKABLE;
2801 break;
2802 case 0x0038 : /* BD-R SRM with pseudo overwrite */
2803 flags |= MMC_CAP_PSEUDOOVERWRITE;
2804 break;
2805 default :
2806 /* ignore */
2807 break;
2808 }
2809
2810 if (cur == 1) {
2811 mmc_discinfo->mmc_cur = flags;
2812 } else {
2813 mmc_discinfo->mmc_cap = flags;
2814 }
2815 }
2816
2817 static int
2818 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph,
2819 struct mmc_discinfo *mmc_discinfo)
2820 {
2821 struct scsipi_read_toc gtoc_cmd;
2822 struct scsipi_toc_header *toc_hdr;
2823 struct scsipi_toc_msinfo *toc_msinfo;
2824 const uint32_t buffer_size = 1024;
2825 uint32_t req_size;
2826 uint8_t *buffer;
2827 int error, flags;
2828
2829 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2830 /*
2831 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont
2832 * care' but others might be of interest to programs.
2833 */
2834
2835 mmc_discinfo->disc_state = MMC_STATE_FULL;
2836 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2837 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2838 mmc_discinfo->link_block_penalty = 7; /* not relevant */
2839
2840 /* get number of sessions and first tracknr in last session */
2841 flags = XS_CTL_DATA_IN;
2842 memset(&gtoc_cmd, 0, sizeof(gtoc_cmd));
2843 gtoc_cmd.opcode = READ_TOC;
2844 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
2845 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */
2846 gtoc_cmd.from_track = 0; /* reserved, must be 0 */
2847 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo);
2848 _lto2b(req_size, gtoc_cmd.data_len);
2849
2850 error = scsipi_command(periph,
2851 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
2852 (void *)buffer, req_size,
2853 CDRETRIES, 30000, NULL, flags);
2854 if (error)
2855 goto out;
2856 toc_hdr = (struct scsipi_toc_header *) buffer;
2857 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4);
2858 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1;
2859 mmc_discinfo->first_track = toc_hdr->first;
2860 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr;
2861
2862 /* get last track of last session */
2863 flags = XS_CTL_DATA_IN;
2864 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
2865 req_size = sizeof(*toc_hdr);
2866 _lto2b(req_size, gtoc_cmd.data_len);
2867
2868 error = scsipi_command(periph,
2869 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
2870 (void *)buffer, req_size,
2871 CDRETRIES, 30000, NULL, flags);
2872 if (error)
2873 goto out;
2874 toc_hdr = (struct scsipi_toc_header *) buffer;
2875 mmc_discinfo->last_track_last_session = toc_hdr->last;
2876 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1;
2877
2878 /* TODO how to handle disc_barcode and disc_id */
2879 /* done */
2880
2881 out:
2882 free(buffer, M_TEMP);
2883 return error;
2884 }
2885
2886 static int
2887 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph,
2888 struct mmc_discinfo *mmc_discinfo)
2889 {
2890 struct scsipi_read_toc gtoc_cmd;
2891 struct scsipi_toc_header toc_hdr;
2892 uint32_t req_size;
2893 int error, flags;
2894
2895 /*
2896 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont
2897 * care' but others might be of interest to programs.
2898 */
2899
2900 mmc_discinfo->disc_state = MMC_STATE_FULL;
2901 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2902 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2903 mmc_discinfo->link_block_penalty = 16; /* not relevant */
2904
2905 /* get number of sessions and first tracknr in last session */
2906 flags = XS_CTL_DATA_IN;
2907 memset(&gtoc_cmd, 0, sizeof(gtoc_cmd));
2908 gtoc_cmd.opcode = READ_TOC;
2909 gtoc_cmd.addr_mode = 0; /* LBA */
2910 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */
2911 gtoc_cmd.from_track = 1; /* first track */
2912 req_size = sizeof(toc_hdr);
2913 _lto2b(req_size, gtoc_cmd.data_len);
2914
2915 error = scsipi_command(periph,
2916 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
2917 (void *)&toc_hdr, req_size,
2918 CDRETRIES, 30000, NULL, flags);
2919 if (error)
2920 return error;
2921
2922 /* DVD-ROM squashes the track/session space */
2923 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1;
2924 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions;
2925 mmc_discinfo->first_track = toc_hdr.first;
2926 mmc_discinfo->first_track_last_session = toc_hdr.last;
2927 mmc_discinfo->last_track_last_session = toc_hdr.last;
2928
2929 /* TODO how to handle disc_barcode and disc_id */
2930 /* done */
2931 return 0;
2932 }
2933
2934 static int
2935 mmc_getdiscinfo(struct scsipi_periph *periph,
2936 struct mmc_discinfo *mmc_discinfo)
2937 {
2938 struct scsipi_get_configuration gc_cmd;
2939 struct scsipi_get_conf_data *gc;
2940 struct scsipi_get_conf_feature *gcf;
2941 struct scsipi_read_discinfo di_cmd;
2942 struct scsipi_read_discinfo_data di;
2943 const uint32_t buffer_size = 1024;
2944 uint32_t feat_tbl_len, pos;
2945 u_long last_lba;
2946 uint8_t *buffer, *fpos;
2947 int feature, last_feature, features_len, feature_cur, feature_len;
2948 int lsb, msb, error, flags;
2949
2950 feat_tbl_len = buffer_size;
2951
2952 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2953
2954 /* initialise structure */
2955 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo));
2956 mmc_discinfo->mmc_profile = 0x00; /* unknown */
2957 mmc_discinfo->mmc_class = MMC_CLASS_UNKN;
2958 mmc_discinfo->mmc_cur = 0;
2959 mmc_discinfo->mmc_cap = 0;
2960 mmc_discinfo->link_block_penalty = 0;
2961
2962 /* determine mmc profile and class */
2963 flags = XS_CTL_DATA_IN;
2964 memset(&gc_cmd, 0, sizeof(gc_cmd));
2965 gc_cmd.opcode = GET_CONFIGURATION;
2966 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
2967
2968 gc = (struct scsipi_get_conf_data *) buffer;
2969
2970 error = scsipi_command(periph,
2971 (void *)&gc_cmd, sizeof(gc_cmd),
2972 (void *) gc, GET_CONF_NO_FEATURES_LEN,
2973 CDRETRIES, 30000, NULL, flags);
2974 if (error)
2975 goto out;
2976
2977 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile);
2978 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile);
2979
2980 /* assume 2048 sector size unless told otherwise */
2981 mmc_discinfo->sector_size = 2048;
2982 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba);
2983 if (error)
2984 goto out;
2985
2986 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1;
2987
2988 /* Read in all features to determine device capabilities */
2989 last_feature = feature = 0;
2990 do {
2991 /* determine mmc profile and class */
2992 flags = XS_CTL_DATA_IN;
2993 memset(&gc_cmd, 0, sizeof(gc_cmd));
2994 gc_cmd.opcode = GET_CONFIGURATION;
2995 _lto2b(last_feature, gc_cmd.start_at_feature);
2996 _lto2b(feat_tbl_len, gc_cmd.data_len);
2997
2998 error = scsipi_command(periph,
2999 (void *)&gc_cmd, sizeof(gc_cmd),
3000 (void *) gc, feat_tbl_len,
3001 CDRETRIES, 30000, NULL, flags);
3002 if (error) {
3003 /* ieeek... break out of loop... i dunno what to do */
3004 break;
3005 }
3006
3007 features_len = _4btol(gc->data_len);
3008 if (features_len < 4)
3009 break;
3010
3011 pos = 0;
3012 fpos = &gc->feature_desc[0];
3013 while (pos < features_len - 4) {
3014 gcf = (struct scsipi_get_conf_feature *) fpos;
3015
3016 feature = _2btol(gcf->featurecode);
3017 feature_cur = gcf->flags & 1;
3018 feature_len = gcf->additional_length;
3019
3020 mmc_process_feature(mmc_discinfo,
3021 feature, feature_cur,
3022 gcf->feature_dependent);
3023
3024 last_feature = MAX(last_feature, feature);
3025 #ifdef DIAGNOSTIC
3026 /* assert((feature_len & 3) == 0); */
3027 if ((feature_len & 3) != 0) {
3028 printf("feature %d having length %d\n",
3029 feature, feature_len);
3030 }
3031 #endif
3032
3033 pos += 4 + feature_len;
3034 fpos += 4 + feature_len;
3035 }
3036 /* unlikely to ever grow past our 1kb buffer */
3037 } while (features_len >= 0xffff);
3038
3039 /*
3040 * Fixup CD-RW drives that are on crack.
3041 *
3042 * Some drives report the capability to incrementally write
3043 * sequentially on CD-R(W) media... nice, but this should not be
3044 * active for a fixed packet formatted CD-RW media. Other report the
3045 * ability of HW_DEFECTFREE even when the media is NOT MRW
3046 * formatted....
3047 */
3048 if (mmc_discinfo->mmc_profile == 0x0a) {
3049 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0)
3050 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE;
3051 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE)
3052 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
3053 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) {
3054 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
3055 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE;
3056 } else {
3057 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE;
3058 }
3059 }
3060 if (mmc_discinfo->mmc_profile == 0x09) {
3061 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE;
3062 }
3063
3064 #ifdef DEBUG
3065 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n",
3066 mmc_discinfo->mmc_profile,
3067 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap);
3068 #endif
3069
3070 /* read in disc state and number of sessions and tracks */
3071 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3072 memset(&di_cmd, 0, sizeof(di_cmd));
3073 di_cmd.opcode = READ_DISCINFO;
3074 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE;
3075
3076 error = scsipi_command(periph,
3077 (void *)&di_cmd, sizeof(di_cmd),
3078 (void *)&di, READ_DISCINFO_BIGSIZE,
3079 CDRETRIES, 30000, NULL, flags);
3080
3081 if (error) {
3082 /* discinfo call failed, emulate for cd-rom/dvd-rom */
3083 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */
3084 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo);
3085 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */
3086 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo);
3087 /* CD/DVD drive is violating specs */
3088 error = EIO;
3089 goto out;
3090 }
3091
3092 /* call went OK */
3093 mmc_discinfo->disc_state = di.disc_state & 3;
3094 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3;
3095 mmc_discinfo->bg_format_state = (di.disc_state2 & 3);
3096
3097 lsb = di.num_sessions_lsb;
3098 msb = di.num_sessions_msb;
3099 mmc_discinfo->num_sessions = lsb | (msb << 8);
3100
3101 mmc_discinfo->first_track = di.first_track;
3102 lsb = di.first_track_last_session_lsb;
3103 msb = di.first_track_last_session_msb;
3104 mmc_discinfo->first_track_last_session = lsb | (msb << 8);
3105 lsb = di.last_track_last_session_lsb;
3106 msb = di.last_track_last_session_msb;
3107 mmc_discinfo->last_track_last_session = lsb | (msb << 8);
3108
3109 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session -
3110 mmc_discinfo->first_track + 1;
3111
3112 /* set misc. flags and parameters from this disc info */
3113 if (di.disc_state & 16)
3114 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE;
3115
3116 if (di.disc_state2 & 128) {
3117 mmc_discinfo->disc_id = _4btol(di.discid);
3118 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID;
3119 }
3120 if (di.disc_state2 & 64) {
3121 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code);
3122 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID;
3123 }
3124 if (di.disc_state2 & 32)
3125 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED;
3126
3127 if (di.disc_state2 & 16) {
3128 mmc_discinfo->application_code = di.application_code;
3129 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID;
3130 }
3131
3132 /* done */
3133
3134 out:
3135 free(buffer, M_TEMP);
3136 return error;
3137 }
3138
3139 static int
3140 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph,
3141 struct mmc_trackinfo *trackinfo)
3142 {
3143 struct scsipi_read_toc gtoc_cmd;
3144 struct scsipi_toc_header *toc_hdr;
3145 struct scsipi_toc_rawtoc *rawtoc;
3146 uint32_t track_start, track_end, track_size;
3147 uint32_t last_recorded, next_writable;
3148 uint32_t lba, next_track_start, lead_out;
3149 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
3150 uint8_t *buffer;
3151 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point;
3152 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe;
3153 int size, req_size;
3154 int error, flags;
3155
3156 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
3157
3158 /*
3159 * Emulate read trackinfo for CD-ROM using the raw-TOC.
3160 *
3161 * Not all information is present and this presents a problem. Track
3162 * starts are known for each track but other values are deducted.
3163 *
3164 * For a complete overview of `magic' values used here, see the
3165 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no
3166 * names, they are specified as numbers.
3167 */
3168
3169 /* get raw toc to process, first header to check size */
3170 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3171 memset(&gtoc_cmd, 0, sizeof(gtoc_cmd));
3172 gtoc_cmd.opcode = READ_TOC;
3173 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
3174 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */
3175 gtoc_cmd.from_track = 1; /* first session */
3176 req_size = sizeof(*toc_hdr);
3177 _lto2b(req_size, gtoc_cmd.data_len);
3178
3179 error = scsipi_command(periph,
3180 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
3181 (void *)buffer, req_size,
3182 CDRETRIES, 30000, NULL, flags);
3183 if (error)
3184 goto out;
3185 toc_hdr = (struct scsipi_toc_header *) buffer;
3186 if (_2btol(toc_hdr->length) > buffer_size - 2) {
3187 #ifdef DIAGNOSTIC
3188 printf("increase buffersize in mmc_readtrackinfo_cdrom\n");
3189 #endif
3190 error = ENOBUFS;
3191 goto out;
3192 }
3193
3194 /* read in complete raw toc */
3195 req_size = _2btol(toc_hdr->length);
3196 req_size = 2*((req_size + 1) / 2); /* for ATAPI */
3197 _lto2b(req_size, gtoc_cmd.data_len);
3198
3199 error = scsipi_command(periph,
3200 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
3201 (void *)buffer, req_size,
3202 CDRETRIES, 30000, NULL, flags);
3203 if (error)
3204 goto out;
3205
3206 toc_hdr = (struct scsipi_toc_header *) buffer;
3207 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4);
3208
3209 track_start = 0;
3210 track_end = 0;
3211 track_size = 0;
3212 last_recorded = 0;
3213 next_writable = 0;
3214 flags = 0;
3215
3216 last_tracknr = 1;
3217 next_track_start = 0;
3218 track_sessionnr = MAXTRACK; /* by definition */
3219 lead_out = 0;
3220
3221 size = req_size - sizeof(struct scsipi_toc_header) + 1;
3222 while (size > 0) {
3223 /* get track start and session end */
3224 tno = rawtoc->tno;
3225 sessionnr = rawtoc->sessionnr;
3226 adr = rawtoc->adrcontrol >> 4;
3227 control = rawtoc->adrcontrol & 0xf;
3228 point = rawtoc->point;
3229 tmin = rawtoc->min;
3230 tsec = rawtoc->sec;
3231 tframe = rawtoc->frame;
3232 pmin = rawtoc->pmin;
3233 psec = rawtoc->psec;
3234 pframe = rawtoc->pframe;
3235
3236 if (tno == 0 && sessionnr && adr == 1) {
3237 lba = hmsf2lba(0, pmin, psec, pframe);
3238 if (point == trackinfo->tracknr) {
3239 track_start = lba;
3240 track_sessionnr = sessionnr;
3241 }
3242 if (point == trackinfo->tracknr + 1) {
3243 /* estimate size */
3244 track_size = lba - track_start;
3245 next_track_start = lba;
3246 }
3247 if (point == 0xa2) {
3248 lead_out = lba;
3249 }
3250 if (point <= 0x63) {
3251 /* CD's ok, DVD are glued */
3252 last_tracknr = point;
3253 }
3254 if (sessionnr == track_sessionnr) {
3255 last_recorded = lead_out;
3256 }
3257 }
3258 if (tno == 0 && sessionnr && adr == 5) {
3259 lba = hmsf2lba(0, tmin, tsec, tframe);
3260 if (sessionnr == track_sessionnr) {
3261 next_writable = lba;
3262 }
3263 }
3264
3265 if ((control & (3<<2)) == 4) /* 01xxb */
3266 flags |= MMC_TRACKINFO_DATA;
3267 if ((control & (1<<2)) == 0) { /* x0xxb */
3268 flags |= MMC_TRACKINFO_AUDIO;
3269 if (control & 1) /* xxx1b */
3270 flags |= MMC_TRACKINFO_PRE_EMPH;
3271 }
3272
3273 rawtoc++;
3274 size -= sizeof(struct scsipi_toc_rawtoc);
3275 }
3276
3277 /* process found values; some voodoo */
3278 /* if no tracksize tracknr is the last of the disc */
3279 if ((track_size == 0) && last_recorded) {
3280 track_size = last_recorded - track_start;
3281 }
3282 /* if last_recorded < tracksize, tracksize is overestimated */
3283 if (last_recorded) {
3284 if (last_recorded - track_start <= track_size) {
3285 track_size = last_recorded - track_start;
3286 flags |= MMC_TRACKINFO_LRA_VALID;
3287 }
3288 }
3289 /* check if its a the last track of the sector */
3290 if (next_writable) {
3291 if (next_track_start > next_writable)
3292 flags |= MMC_TRACKINFO_NWA_VALID;
3293 }
3294
3295 /* no flag set -> no values */
3296 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0)
3297 last_recorded = 0;
3298 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0)
3299 next_writable = 0;
3300
3301 /* fill in */
3302 /* trackinfo->tracknr preserved */
3303 trackinfo->sessionnr = track_sessionnr;
3304 trackinfo->track_mode = 7; /* data, incremental */
3305 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3306
3307 trackinfo->flags = flags;
3308 trackinfo->track_start = track_start;
3309 trackinfo->next_writable = next_writable;
3310 trackinfo->free_blocks = 0;
3311 trackinfo->packet_size = 1;
3312 trackinfo->track_size = track_size;
3313 trackinfo->last_recorded = last_recorded;
3314
3315 out:
3316 free(buffer, M_TEMP);
3317 return error;
3318
3319 }
3320
3321 static int
3322 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph,
3323 struct mmc_trackinfo *trackinfo)
3324 {
3325 struct scsipi_read_toc gtoc_cmd;
3326 struct scsipi_toc_header *toc_hdr;
3327 struct scsipi_toc_formatted *toc;
3328 uint32_t tracknr, track_start, track_size;
3329 uint32_t lba, lead_out;
3330 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
3331 uint8_t *buffer;
3332 uint8_t control, last_tracknr;
3333 int size, req_size;
3334 int error, flags;
3335
3336
3337 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
3338 /*
3339 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the
3340 * CD-ROM emulation uses since the specification tells us that no such
3341 * thing is defined for DVD's. The reason for this is due to the large
3342 * number of tracks and that would clash with the `magic' values. This
3343 * suxs.
3344 *
3345 * Not all information is present and this presents a problem.
3346 * Track starts are known for each track but other values are
3347 * deducted.
3348 */
3349
3350 /* get formatted toc to process, first header to check size */
3351 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3352 memset(&gtoc_cmd, 0, sizeof(gtoc_cmd));
3353 gtoc_cmd.opcode = READ_TOC;
3354 gtoc_cmd.addr_mode = 0; /* lba's please */
3355 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
3356 gtoc_cmd.from_track = 1; /* first track */
3357 req_size = sizeof(*toc_hdr);
3358 _lto2b(req_size, gtoc_cmd.data_len);
3359
3360 error = scsipi_command(periph,
3361 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
3362 (void *)buffer, req_size,
3363 CDRETRIES, 30000, NULL, flags);
3364 if (error)
3365 goto out;
3366 toc_hdr = (struct scsipi_toc_header *) buffer;
3367 if (_2btol(toc_hdr->length) > buffer_size - 2) {
3368 #ifdef DIAGNOSTIC
3369 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n");
3370 #endif
3371 error = ENOBUFS;
3372 goto out;
3373 }
3374
3375 /* read in complete formatted toc */
3376 req_size = _2btol(toc_hdr->length);
3377 _lto2b(req_size, gtoc_cmd.data_len);
3378
3379 error = scsipi_command(periph,
3380 (void *)&gtoc_cmd, sizeof(gtoc_cmd),
3381 (void *)buffer, req_size,
3382 CDRETRIES, 30000, NULL, flags);
3383 if (error)
3384 goto out;
3385
3386 toc_hdr = (struct scsipi_toc_header *) buffer;
3387 toc = (struct scsipi_toc_formatted *) (buffer + 4);
3388
3389 /* as in read disc info, all sessions are converted to tracks */
3390 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */
3391 /* last track -> we got the size from the lead-out */
3392
3393 tracknr = 0;
3394 last_tracknr = toc_hdr->last;
3395 track_start = 0;
3396 track_size = 0;
3397 lead_out = 0;
3398 flags = 0;
3399
3400 size = req_size - sizeof(struct scsipi_toc_header) + 1;
3401 while (size > 0) {
3402 /* remember, DVD-ROM: tracknr == sessionnr */
3403 lba = _4btol(toc->msf_lba);
3404 tracknr = toc->tracknr;
3405 control = toc->adrcontrol & 0xf;
3406
3407 if (trackinfo->tracknr == tracknr) {
3408 track_start = lba;
3409 }
3410 if (trackinfo->tracknr == tracknr+1) {
3411 track_size = lba - track_start;
3412 track_size -= 16; /* link block ? */
3413 }
3414 if (tracknr == 0xAA) {
3415 lead_out = lba;
3416 }
3417
3418 if ((control & (3<<2)) == 4) /* 01xxb */
3419 flags |= MMC_TRACKINFO_DATA;
3420 if ((control & (1<<2)) == 0) { /* x0xxb */
3421 flags |= MMC_TRACKINFO_AUDIO;
3422 if (control & (1<<3)) /* 10xxb */
3423 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3424 if (control & 1) /* xxx1b */
3425 flags |= MMC_TRACKINFO_PRE_EMPH;
3426 }
3427
3428 toc++;
3429 size -= sizeof(struct scsipi_toc_formatted);
3430 }
3431 if (trackinfo->tracknr == last_tracknr) {
3432 track_size = lead_out - track_start;
3433 }
3434
3435 /* fill in */
3436 /* trackinfo->tracknr preserved */
3437 trackinfo->sessionnr = trackinfo->tracknr;
3438 trackinfo->track_mode = 0; /* unknown */
3439 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3440
3441 trackinfo->flags = flags;
3442 trackinfo->track_start = track_start;
3443 trackinfo->next_writable = 0;
3444 trackinfo->free_blocks = 0;
3445 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */
3446 trackinfo->track_size = track_size;
3447 trackinfo->last_recorded = 0;
3448
3449 out:
3450 free(buffer, M_TEMP);
3451 return error;
3452 }
3453
3454 static int
3455 mmc_gettrackinfo(struct scsipi_periph *periph,
3456 struct mmc_trackinfo *trackinfo)
3457 {
3458 struct scsipi_read_trackinfo ti_cmd;
3459 struct scsipi_read_trackinfo_data ti;
3460 struct scsipi_get_configuration gc_cmd;
3461 struct scsipi_get_conf_data gc;
3462 int error, flags;
3463 int mmc_profile;
3464
3465 /* set up SCSI call with track number from trackinfo.tracknr */
3466 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3467 memset(&ti_cmd, 0, sizeof(ti_cmd));
3468 ti_cmd.opcode = READ_TRACKINFO;
3469 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK;
3470 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE;
3471
3472 /* trackinfo.tracknr contains number of tracks to query */
3473 _lto4b(trackinfo->tracknr, ti_cmd.address);
3474 error = scsipi_command(periph,
3475 (void *)&ti_cmd, sizeof(ti_cmd),
3476 (void *)&ti, READ_TRACKINFO_RETURNSIZE,
3477 CDRETRIES, 30000, NULL, flags);
3478
3479 if (error) {
3480 /* trackinfo call failed, emulate for cd-rom/dvd-rom */
3481 /* first determine mmc profile */
3482 flags = XS_CTL_DATA_IN;
3483 memset(&gc_cmd, 0, sizeof(gc_cmd));
3484 gc_cmd.opcode = GET_CONFIGURATION;
3485 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
3486
3487 error = scsipi_command(periph,
3488 (void *)&gc_cmd, sizeof(gc_cmd),
3489 (void *)&gc, GET_CONF_NO_FEATURES_LEN,
3490 CDRETRIES, 30000, NULL, flags);
3491 if (error)
3492 return error;
3493 mmc_profile = _2btol(gc.mmc_profile);
3494
3495 /* choose emulation */
3496 if (mmc_profile == 0x08) /* CD-ROM */
3497 return mmc_gettrackinfo_cdrom(periph, trackinfo);
3498 if (mmc_profile == 0x10) /* DVD-ROM */
3499 return mmc_gettrackinfo_dvdrom(periph, trackinfo);
3500 /* CD/DVD drive is violating specs */
3501 return EIO;
3502 }
3503
3504 /* (re)initialise structure */
3505 memset(trackinfo, 0, sizeof(struct mmc_trackinfo));
3506
3507 /* account for short returns screwing up track and session msb */
3508 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) {
3509 ti.track_msb = 0;
3510 ti.session_msb = 0;
3511 }
3512
3513 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8);
3514 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8);
3515 trackinfo->track_mode = ti.track_info_1 & 0xf;
3516 trackinfo->data_mode = ti.track_info_2 & 0xf;
3517
3518 flags = 0;
3519 if (ti.track_info_1 & 0x10)
3520 flags |= MMC_TRACKINFO_COPY;
3521 if (ti.track_info_1 & 0x20)
3522 flags |= MMC_TRACKINFO_DAMAGED;
3523 if (ti.track_info_2 & 0x10)
3524 flags |= MMC_TRACKINFO_FIXED_PACKET;
3525 if (ti.track_info_2 & 0x20)
3526 flags |= MMC_TRACKINFO_INCREMENTAL;
3527 if (ti.track_info_2 & 0x40)
3528 flags |= MMC_TRACKINFO_BLANK;
3529 if (ti.track_info_2 & 0x80)
3530 flags |= MMC_TRACKINFO_RESERVED;
3531 if (ti.data_valid & 0x01)
3532 flags |= MMC_TRACKINFO_NWA_VALID;
3533 if (ti.data_valid & 0x02)
3534 flags |= MMC_TRACKINFO_LRA_VALID;
3535 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */
3536 flags |= MMC_TRACKINFO_DATA;
3537 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */
3538 flags |= MMC_TRACKINFO_AUDIO;
3539 if (trackinfo->track_mode & (1<<3)) /* 10xxb */
3540 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3541 if (trackinfo->track_mode & 1) /* xxx1b */
3542 flags |= MMC_TRACKINFO_PRE_EMPH;
3543 }
3544
3545 trackinfo->flags = flags;
3546 trackinfo->track_start = _4btol(ti.track_start);
3547 trackinfo->next_writable = _4btol(ti.next_writable);
3548 trackinfo->free_blocks = _4btol(ti.free_blocks);
3549 trackinfo->packet_size = _4btol(ti.packet_size);
3550 trackinfo->track_size = _4btol(ti.track_size);
3551 trackinfo->last_recorded = _4btol(ti.last_recorded);
3552
3553 return 0;
3554 }
3555
3556 static int
3557 mmc_doclose(struct scsipi_periph *periph, int param, int func) {
3558 struct scsipi_close_tracksession close_cmd;
3559 int error, flags;
3560
3561 /* set up SCSI call with track number */
3562 flags = XS_CTL_DATA_OUT;
3563 memset(&close_cmd, 0, sizeof(close_cmd));
3564 close_cmd.opcode = CLOSE_TRACKSESSION;
3565 close_cmd.function = func;
3566 _lto2b(param, close_cmd.tracksessionnr);
3567
3568 error = scsipi_command(periph,
3569 (void *) &close_cmd, sizeof(close_cmd),
3570 NULL, 0,
3571 CDRETRIES, 120000, NULL, flags);
3572
3573 return error;
3574 }
3575
3576 static int
3577 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3578 {
3579 int mmc_profile = mmc_op->mmc_profile;
3580
3581 switch (mmc_profile) {
3582 case 0x12 : /* DVD-RAM */
3583 case 0x1a : /* DVD+RW */
3584 case 0x2a : /* DVD+RW Dual layer */
3585 case 0x42 : /* BD-R Ramdom Recording (RRM) */
3586 case 0x43 : /* BD-RE */
3587 case 0x52 : /* HD DVD-RW ; DVD-RAM like */
3588 return EINVAL;
3589 }
3590
3591 return mmc_doclose(periph, mmc_op->tracknr, 1);
3592 }
3593
3594 static int
3595 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3596 {
3597 uint8_t blob[MS5LEN], *page5;
3598 int mmc_profile = mmc_op->mmc_profile;
3599 int func, close, flags;
3600 int error;
3601
3602 close = (mmc_op->operation == MMC_OP_CLOSESESSION);
3603
3604 switch (mmc_profile) {
3605 case 0x09 : /* CD-R */
3606 case 0x0a : /* CD-RW */
3607 /* Special case : need to update MS field in mode page 5 */
3608 memset(blob, 0, sizeof(blob));
3609 page5 = blob+8;
3610
3611 flags = XS_CTL_DATA_IN;
3612 error = scsipi_mode_sense_big(periph, SMS_PF, 5,
3613 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3614 if (error)
3615 return error;
3616
3617 /* set multi session field when closing a session only */
3618 page5[3] &= 63;
3619 if (close)
3620 page5[3] |= 3 << 6;
3621
3622 flags = XS_CTL_DATA_OUT;
3623 error = scsipi_mode_select_big(periph, SMS_PF,
3624 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3625 if (error)
3626 return error;
3627 /* and use funtion 2 */
3628 func = 2;
3629 break;
3630 case 0x11 : /* DVD-R (DL) */
3631 case 0x13 : /* DVD-RW restricted overwrite */
3632 case 0x14 : /* DVD-RW sequential */
3633 func = close ? 2 : 3;
3634 break;
3635 case 0x1b : /* DVD+R */
3636 case 0x2b : /* DVD+R Dual layer */
3637 case 0x51 : /* HD DVD-R */
3638 case 0x41 : /* BD-R Sequential recording (SRM) */
3639 func = close ? 2 : 6;
3640 break;
3641 case 0x12 : /* DVD-RAM */
3642 case 0x1a : /* DVD+RW */
3643 case 0x2a : /* DVD+RW Dual layer */
3644 case 0x42 : /* BD-R Ramdom Recording (RRM) */
3645 case 0x43 : /* BD-RE */
3646 case 0x52 : /* HD DVD-RW; DVD-RAM like */
3647 return EINVAL;
3648 default:
3649 printf("MMC close/finalise passed wrong device type! (%d)\n",
3650 mmc_profile);
3651 return EINVAL;
3652 }
3653
3654 return mmc_doclose(periph, mmc_op->sessionnr, func);
3655 }
3656
3657 static int
3658 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3659 {
3660 struct scsipi_reserve_track reserve_cmd;
3661 uint32_t extent;
3662 int error, flags;
3663
3664 /* TODO make mmc safeguards? */
3665 extent = mmc_op->extent;
3666 /* TODO min/max support? */
3667
3668 /* set up SCSI call with requested space */
3669 flags = XS_CTL_DATA_OUT;
3670 memset(&reserve_cmd, 0, sizeof(reserve_cmd));
3671 reserve_cmd.opcode = RESERVE_TRACK;
3672 _lto4b(extent, reserve_cmd.reservation_size);
3673
3674 error = scsipi_command(periph,
3675 (void *) &reserve_cmd, sizeof(reserve_cmd),
3676 NULL, 0,
3677 CDRETRIES, 30000, NULL, flags);
3678
3679 return error;
3680 }
3681
3682 static int
3683 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3684 {
3685 /* XXX assumes that NWA given is valid */
3686 switch (mmc_op->mmc_profile) {
3687 case 0x09 : /* CD-R */
3688 /* XXX unknown boundary checks XXX */
3689 if (mmc_op->extent <= 152)
3690 return EINVAL;
3691 /* CD-R takes 152 sectors to close track */
3692 mmc_op->extent -= 152;
3693 return mmc_do_reserve_track(periph, mmc_op);
3694 case 0x11 : /* DVD-R (DL) */
3695 case 0x1b : /* DVD+R */
3696 case 0x2b : /* DVD+R Dual layer */
3697 if (mmc_op->extent % 16)
3698 return EINVAL;
3699 /* upto one ECC block of 16 sectors lost */
3700 mmc_op->extent -= 16;
3701 return mmc_do_reserve_track(periph, mmc_op);
3702 case 0x41 : /* BD-R Sequential recording (SRM) */
3703 case 0x51 : /* HD DVD-R */
3704 if (mmc_op->extent % 32)
3705 return EINVAL;
3706 /* one ECC block of 32 sectors lost (AFAIK) */
3707 mmc_op->extent -= 32;
3708 return mmc_do_reserve_track(periph, mmc_op);
3709 }
3710
3711 /* unknown behaviour or invalid disc type */
3712 return EINVAL;
3713 }
3714
3715 static int
3716 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3717 {
3718 struct scsipi_repair_track repair_cmd;
3719 int error, flags;
3720
3721 /* TODO make mmc safeguards? */
3722
3723 /* set up SCSI call with track number */
3724 flags = XS_CTL_DATA_OUT;
3725 memset(&repair_cmd, 0, sizeof(repair_cmd));
3726 repair_cmd.opcode = REPAIR_TRACK;
3727 _lto2b(mmc_op->tracknr, repair_cmd.tracknr);
3728
3729 error = scsipi_command(periph,
3730 (void *) &repair_cmd, sizeof(repair_cmd),
3731 NULL, 0,
3732 CDRETRIES, 30000, NULL, flags);
3733
3734 return error;
3735 }
3736
3737 static int
3738 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3739 {
3740 /* guard operation value */
3741 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX)
3742 return EINVAL;
3743
3744 /* synchronise cache is special since it doesn't rely on mmc_profile */
3745 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE)
3746 return cdcachesync(periph, 0);
3747
3748 /* zero mmc_profile means unknown disc so operations are not defined */
3749 if (mmc_op->mmc_profile == 0) {
3750 #ifdef DEBUG
3751 printf("mmc_do_op called with mmc_profile = 0\n");
3752 #endif
3753 return EINVAL;
3754 }
3755
3756 /* do the operations */
3757 switch (mmc_op->operation) {
3758 case MMC_OP_CLOSETRACK :
3759 return mmc_do_closetrack(periph, mmc_op);
3760 case MMC_OP_CLOSESESSION :
3761 case MMC_OP_FINALISEDISC :
3762 return mmc_do_close_or_finalise(periph, mmc_op);
3763 case MMC_OP_RESERVETRACK :
3764 return mmc_do_reserve_track(periph, mmc_op);
3765 case MMC_OP_RESERVETRACK_NWA :
3766 return mmc_do_reserve_track_nwa(periph, mmc_op);
3767 case MMC_OP_REPAIRTRACK :
3768 return mmc_do_repair_track(periph, mmc_op);
3769 case MMC_OP_UNCLOSELASTSESSION :
3770 /* TODO unclose last session support */
3771 return EINVAL;
3772 default :
3773 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation);
3774 }
3775
3776 return EINVAL;
3777 }
3778
3779 static int
3780 mmc_setup_writeparams(struct scsipi_periph *periph,
3781 struct mmc_writeparams *mmc_writeparams)
3782 {
3783 struct mmc_trackinfo trackinfo;
3784 uint8_t blob[MS5LEN];
3785 uint8_t *page5;
3786 int flags, error;
3787 int track_mode, data_mode;
3788
3789 /* setup mode page 5 for CD only */
3790 if (mmc_writeparams->mmc_class != MMC_CLASS_CD)
3791 return 0;
3792
3793 memset(blob, 0, sizeof(blob));
3794 page5 = blob+8;
3795
3796 /* read mode page 5 (with header) */
3797 flags = XS_CTL_DATA_IN;
3798 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob,
3799 sizeof(blob), flags, CDRETRIES, 20000);
3800 if (error)
3801 return error;
3802
3803 /* set page length for reasurance */
3804 page5[1] = P5LEN; /* page length */
3805
3806 /* write type packet/incremental */
3807 page5[2] &= 0xf0;
3808
3809 /* set specified mode parameters */
3810 track_mode = mmc_writeparams->track_mode;
3811 data_mode = mmc_writeparams->data_mode;
3812 if (track_mode <= 0 || track_mode > 15)
3813 return EINVAL;
3814 if (data_mode < 1 || data_mode > 2)
3815 return EINVAL;
3816
3817 /* if a tracknr is passed, setup according to the track */
3818 if (mmc_writeparams->tracknr > 0) {
3819 trackinfo.tracknr = mmc_writeparams->tracknr;
3820 error = mmc_gettrackinfo(periph, &trackinfo);
3821 if (error)
3822 return error;
3823 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) {
3824 track_mode = trackinfo.track_mode;
3825 data_mode = trackinfo.data_mode;
3826 }
3827 mmc_writeparams->blockingnr = trackinfo.packet_size;
3828 }
3829
3830 /* copy track mode and data mode from trackinfo */
3831 page5[3] &= 16; /* keep only `Copy' bit */
3832 page5[3] |= (3 << 6) | track_mode;
3833 page5[4] &= 0xf0; /* wipe data block type */
3834 if (data_mode == 1) {
3835 /* select ISO mode 1 (CD only) */
3836 page5[4] |= 8;
3837 /* select session format normal disc (CD only) */
3838 page5[8] = 0;
3839 } else {
3840 /* select ISO mode 2; XA form 1 (CD only) */
3841 page5[4] |= 10;
3842 /* select session format CD-ROM XA disc (CD only) */
3843 page5[8] = 0x20;
3844 }
3845 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) {
3846 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) {
3847 /* set BUFE buffer underrun protection */
3848 page5[2] |= 1<<6;
3849 }
3850 /* allow for multi session */
3851 page5[3] |= 3 << 6;
3852 } else {
3853 /* select fixed packets */
3854 page5[3] |= 1<<5;
3855 _lto4b(mmc_writeparams->blockingnr, &(page5[10]));
3856 }
3857
3858 /* write out updated mode page 5 (with header) */
3859 flags = XS_CTL_DATA_OUT;
3860 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob,
3861 sizeof(blob), flags, CDRETRIES, 20000);
3862 if (error)
3863 return error;
3864
3865 return 0;
3866 }
3867
3868 static void
3869 cd_set_properties(struct cd_softc *cd)
3870 {
3871 prop_dictionary_t disk_info, odisk_info, geom;
3872
3873 disk_info = prop_dictionary_create();
3874
3875 geom = prop_dictionary_create();
3876
3877 prop_dictionary_set_uint64(geom, "sectors-per-unit",
3878 cd->params.disksize);
3879
3880 prop_dictionary_set_uint32(geom, "sector-size",
3881 cd->params.blksize);
3882
3883 prop_dictionary_set(disk_info, "geometry", geom);
3884 prop_object_release(geom);
3885
3886 prop_dictionary_set(device_properties(cd->sc_dev),
3887 "disk-info", disk_info);
3888
3889 /*
3890 * Don't release disk_info here; we keep a reference to it.
3891 * disk_detach() will release it when we go away.
3892 */
3893
3894 odisk_info = cd->sc_dk.dk_info;
3895 cd->sc_dk.dk_info = disk_info;
3896 if (odisk_info)
3897 prop_object_release(odisk_info);
3898 }
NetBSD on the FriendlyARM MINI2440