1 /* $NetBSD: cd.c,v 1.356 2024/12/01 20:23:45 andvar 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 1.356 2024/12/01 20:23:45 andvar Exp $");
54
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/kernel.h>
58 #include <sys/file.h>
59 #include <sys/stat.h>
60 #include <sys/ioctl.h>
61 #include <sys/buf.h>
62 #include <sys/bufq.h>
63 #include <sys/uio.h>
64 #include <sys/malloc.h>
65 #include <sys/errno.h>
66 #include <sys/device.h>
67 #include <sys/disklabel.h>
68 #include <sys/disk.h>
69 #include <sys/cdio.h>
70 #include <sys/dvdio.h>
71 #include <sys/scsiio.h>
72 #include <sys/proc.h>
73 #include <sys/conf.h>
74 #include <sys/vnode.h>
75 #include <sys/rndsource.h>
76
77 #include <dev/scsipi/scsi_spc.h>
78 #include <dev/scsipi/scsipi_all.h>
79 #include <dev/scsipi/scsipi_cd.h>
80 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */
81 #include <dev/scsipi/scsi_all.h>
82 /* from there */
83 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */
84 #include <dev/scsipi/scsipiconf.h>
85 #include <dev/scsipi/scsipi_base.h>
86 #include <dev/scsipi/cdvar.h>
87
88 #include <prop/proplib.h>
89
90 #define CDUNIT(z) DISKUNIT(z)
91 #define CDPART(z) DISKPART(z)
92 #define CDMINOR(unit, part) DISKMINOR(unit, part)
93 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part)
94
95 #define MAXTRACK 99
96 #define CD_BLOCK_OFFSET 150
97 #define CD_FRAMES 75
98 #define CD_SECS 60
99
100 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */
101 #define CD_TOC_MSINFO 1 /* multi-session info */
102 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */
103 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */
104 #define CD_TOC_ATIP 4 /* pressed space of recordable */
105 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */
106
107 #define P5LEN 0x32
108 #define MS5LEN (P5LEN + 8 + 2)
109
110 struct cd_formatted_toc {
111 struct ioc_toc_header header;
112 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */
113 /* leadout */
114 };
115
116 struct cdbounce {
117 struct buf *obp; /* original buf */
118 struct buf *lbp; /* first buffer */
119 struct buf *rbp; /* second buffer */
120 int lerr; /* error returned for first buffer */
121 int rerr; /* error returned for second buffer */
122 int head; /* bytes skipped at the start */
123 int lcount; /* bytes copied to first buffer */
124 int rcount; /* bytes copied to second buffer */
125 };
126
127 static void cdstart(struct scsipi_periph *);
128 static void cdrestart(void *);
129 static void cdminphys(struct buf *);
130 static void cddone(struct scsipi_xfer *, int);
131 static int cd_interpret_sense(struct scsipi_xfer *);
132 static int cd_diskstart(device_t, struct buf *);
133 static void cd_iosize(device_t, int *);
134 static int cd_lastclose(device_t);
135 static int cd_firstopen(device_t, dev_t, int, int);
136 static void cd_label(device_t, struct disklabel *);
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_geometry(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 .d_open = cdopen,
212 .d_close = cdclose,
213 .d_strategy = cdstrategy,
214 .d_ioctl = cdioctl,
215 .d_dump = cddump,
216 .d_psize = cdsize,
217 .d_discard = nodiscard,
218 .d_flag = D_DISK | D_MPSAFE
219 };
220
221 const struct cdevsw cd_cdevsw = {
222 .d_open = cdopen,
223 .d_close = cdclose,
224 .d_read = cdread,
225 .d_write = cdwrite,
226 .d_ioctl = cdioctl,
227 .d_stop = nostop,
228 .d_tty = notty,
229 .d_poll = nopoll,
230 .d_mmap = nommap,
231 .d_kqfilter = nokqfilter,
232 .d_discard = nodiscard,
233 .d_flag = D_DISK | D_MPSAFE
234 };
235
236 static const struct dkdriver cddkdriver = {
237 .d_open = cdopen,
238 .d_close = cdclose,
239 .d_strategy = cdstrategy,
240 .d_minphys = cdminphys,
241 .d_diskstart = cd_diskstart,
242 .d_firstopen = cd_firstopen,
243 .d_lastclose = cd_lastclose,
244 .d_label = cd_label,
245 };
246
247 static const struct scsipi_periphsw cd_switch = {
248 cd_interpret_sense, /* use our error handler first */
249 cdstart, /* we have a queue, which is started by this */
250 NULL, /* we do not have an async handler */
251 cddone, /* deal with stats at interrupt time */
252 };
253
254 /*
255 * The routine called by the low level scsi routine when it discovers
256 * A device suitable for this driver
257 */
258 static int
cdmatch(device_t parent,cfdata_t match,void * aux)259 cdmatch(device_t parent, cfdata_t match, void *aux)
260 {
261 struct scsipibus_attach_args *sa = aux;
262 int priority;
263
264 (void)scsipi_inqmatch(&sa->sa_inqbuf,
265 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]),
266 sizeof(cd_patterns[0]), &priority);
267
268 return (priority);
269 }
270
271 static void
cdattach(device_t parent,device_t self,void * aux)272 cdattach(device_t parent, device_t self, void *aux)
273 {
274 struct cd_softc *cd = device_private(self);
275 struct dk_softc *dksc = &cd->sc_dksc;
276 struct scsipibus_attach_args *sa = aux;
277 struct scsipi_periph *periph = sa->sa_periph;
278 int dtype;
279
280 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: "));
281
282 switch (SCSIPI_BUSTYPE_TYPE(scsipi_periph_bustype(sa->sa_periph))) {
283 case SCSIPI_BUSTYPE_SCSI:
284 dtype = DKTYPE_SCSI;
285 if (periph->periph_version == 0)
286 cd->flags |= CDF_ANCIENT;
287 break;
288 case SCSIPI_BUSTYPE_ATAPI:
289 dtype = DKTYPE_ATAPI;
290 break;
291 default:
292 dtype = DKTYPE_UNKNOWN;
293 break;
294 }
295
296 /*
297 * Initialize and attach the disk structure.
298 */
299 dk_init(dksc, self, dtype);
300 disk_init(&dksc->sc_dkdev, dksc->sc_xname, &cddkdriver);
301
302 dk_attach(dksc);
303 disk_attach(&dksc->sc_dkdev);
304
305 bufq_alloc(&dksc->sc_bufq, "disksort", BUFQ_SORT_RAWBLOCK);
306
307 callout_init(&cd->sc_callout, 0);
308
309 /*
310 * Store information needed to contact our base driver
311 */
312 cd->sc_periph = periph;
313
314 periph->periph_dev = dksc->sc_dev;
315 periph->periph_switch = &cd_switch;
316
317 /*
318 * Increase our openings to the maximum-per-periph
319 * supported by the adapter. This will either be
320 * clamped down or grown by the adapter if necessary.
321 */
322 periph->periph_openings =
323 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel);
324 periph->periph_flags |= PERIPH_GROW_OPENINGS;
325
326 aprint_naive("\n");
327 aprint_normal("\n");
328
329 if (!pmf_device_register(self, NULL, NULL))
330 aprint_error_dev(self, "couldn't establish power handler\n");
331 }
332
333 static int
cddetach(device_t self,int flags)334 cddetach(device_t self, int flags)
335 {
336 struct cd_softc *cd = device_private(self);
337 struct dk_softc *dksc = &cd->sc_dksc;
338 struct scsipi_periph *periph = cd->sc_periph;
339 struct scsipi_channel *chan = periph->periph_channel;
340 int bmaj, cmaj, i, mn, rc;
341
342 if ((rc = disk_begindetach(&dksc->sc_dkdev, cd_lastclose, self, flags)) != 0)
343 return rc;
344
345 /* locate the major number */
346 bmaj = bdevsw_lookup_major(&cd_bdevsw);
347 cmaj = cdevsw_lookup_major(&cd_cdevsw);
348
349 /* Nuke the vnodes for any open instances */
350 for (i = 0; i < MAXPARTITIONS; i++) {
351 mn = CDMINOR(device_unit(self), i);
352 vdevgone(bmaj, mn, mn, VBLK);
353 vdevgone(cmaj, mn, mn, VCHR);
354 }
355
356 /* kill any pending restart */
357 callout_halt(&cd->sc_callout, NULL);
358
359 dk_drain(dksc);
360
361 /* Kill off any pending commands. */
362 mutex_enter(chan_mtx(chan));
363 scsipi_kill_pending(cd->sc_periph);
364 mutex_exit(chan_mtx(chan));
365
366 bufq_free(dksc->sc_bufq);
367
368 /* Detach from the disk list. */
369 disk_detach(&dksc->sc_dkdev);
370 disk_destroy(&dksc->sc_dkdev);
371
372 dk_detach(dksc);
373
374 callout_destroy(&cd->sc_callout);
375
376 pmf_device_deregister(self);
377
378 return (0);
379 }
380
381 /*
382 * Serialized by caller
383 */
384 static int
cd_firstopen(device_t self,dev_t dev,int flag,int fmt)385 cd_firstopen(device_t self, dev_t dev, int flag, int fmt)
386 {
387 struct cd_softc *cd = device_private(self);
388 struct scsipi_periph *periph = cd->sc_periph;
389 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter;
390 int error, silent;
391 int part;
392
393 part = CDPART(dev);
394
395 error = scsipi_adapter_addref(adapt);
396 if (error)
397 return error;
398
399 if ((part == RAW_PART && fmt == S_IFCHR) || (flag & FSILENT))
400 silent = XS_CTL_SILENT;
401 else
402 silent = 0;
403
404 /* make cdclose() silent */
405 cd->flags |= CDF_EJECTED;
406
407 /* Check that it is still responding and ok. */
408 error = scsipi_test_unit_ready(periph,
409 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE |
410 XS_CTL_SILENT);
411
412 /*
413 * Start the pack spinning if necessary. Always allow the
414 * raw partition to be opened, for raw IOCTLs. Data transfers
415 * will check for SDEV_MEDIA_LOADED.
416 */
417 if (error == EIO) {
418 error = scsipi_start(periph, SSS_START, silent);
419 if (error == EINVAL)
420 error = EIO;
421 }
422 if (error) {
423 if (part == RAW_PART)
424 goto out;
425 goto bad;
426 }
427
428 /* Lock the pack in. */
429 error = scsipi_prevent(periph, SPAMR_PREVENT_DT,
430 XS_CTL_IGNORE_ILLEGAL_REQUEST |
431 XS_CTL_IGNORE_MEDIA_CHANGE);
432 SC_DEBUG(periph, SCSIPI_DB1,
433 ("cdopen: scsipi_prevent, error=%d\n", error));
434 if (error) {
435 if (part == RAW_PART)
436 goto out;
437 goto bad;
438 }
439
440 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
441 int param_error;
442
443 /* Load the physical device parameters. */
444 param_error = cd_get_parms(cd, 0);
445 if (param_error == CDGP_RESULT_OFFLINE) {
446 error = ENXIO;
447 goto bad2;
448 }
449 periph->periph_flags |= PERIPH_MEDIA_LOADED;
450
451 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded "));
452
453 cd_set_geometry(cd);
454
455 /* make cdclose() loud again */
456 cd->flags &= ~CDF_EJECTED;
457 }
458
459 periph->periph_flags |= PERIPH_OPEN;
460
461 out:
462 return 0;
463
464 bad2:
465 scsipi_prevent(periph, SPAMR_ALLOW,
466 XS_CTL_IGNORE_ILLEGAL_REQUEST |
467 XS_CTL_IGNORE_MEDIA_CHANGE |
468 XS_CTL_SILENT);
469
470 bad:
471 scsipi_adapter_delref(adapt);
472 return error;
473 }
474
475 /*
476 * open the device. Make sure the partition info is a up-to-date as can be.
477 */
478 static int
cdopen(dev_t dev,int flag,int fmt,struct lwp * l)479 cdopen(dev_t dev, int flag, int fmt, struct lwp *l)
480 {
481 struct cd_softc *cd;
482 struct dk_softc *dksc;
483 struct scsipi_periph *periph;
484 int unit, part;
485 int error;
486
487 unit = CDUNIT(dev);
488 cd = device_lookup_private(&cd_cd, unit);
489 if (cd == NULL)
490 return (ENXIO);
491 dksc = &cd->sc_dksc;
492
493 periph = cd->sc_periph;
494 part = CDPART(dev);
495
496 SC_DEBUG(periph, SCSIPI_DB1,
497 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %d)\n",
498 dev, unit, cd_cd.cd_ndevs, CDPART(dev)));
499
500 /*
501 * If any partition is open, but the disk has been invalidated,
502 * disallow further opens of non-raw partition
503 */
504 if ((periph->periph_flags & (PERIPH_OPEN | PERIPH_MEDIA_LOADED)) ==
505 PERIPH_OPEN) {
506 if (part != RAW_PART || fmt != S_IFCHR)
507 return EIO;
508 }
509
510 error = dk_open(dksc, dev, flag, fmt, l);
511
512 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n"));
513
514 return error;
515 }
516
517 /*
518 * Serialized by caller
519 */
520 static int
cd_lastclose(device_t self)521 cd_lastclose(device_t self)
522 {
523 struct cd_softc *cd = device_private(self);
524 struct scsipi_periph *periph = cd->sc_periph;
525 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter;
526 int silent;
527
528 if ((cd->flags & CDF_EJECTED) != 0 ||
529 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)
530 silent = XS_CTL_SILENT;
531 else
532 silent = 0;
533
534 cdcachesync(periph, silent);
535
536 scsipi_wait_drain(periph);
537
538 scsipi_prevent(periph, SPAMR_ALLOW,
539 XS_CTL_IGNORE_ILLEGAL_REQUEST |
540 XS_CTL_IGNORE_NOT_READY |
541 XS_CTL_SILENT);
542 periph->periph_flags &= ~PERIPH_OPEN;
543
544 scsipi_wait_drain(periph);
545
546 scsipi_adapter_delref(adapt);
547
548 return 0;
549 }
550
551 /*
552 * close the device.. only called if we are the LAST
553 * occurrence of an open device
554 */
555 static int
cdclose(dev_t dev,int flag,int fmt,struct lwp * l)556 cdclose(dev_t dev, int flag, int fmt, struct lwp *l)
557 {
558 struct cd_softc *cd;
559 struct dk_softc *dksc;
560 int unit;
561
562 unit = CDUNIT(dev);
563 cd = device_lookup_private(&cd_cd, unit);
564 dksc = &cd->sc_dksc;
565
566 return dk_close(dksc, dev, flag, fmt, l);
567 }
568
569 static void
cd_bounce_buffer_done(struct buf * bp)570 cd_bounce_buffer_done(struct buf *bp)
571 {
572 struct cdbounce *bounce = bp->b_private;
573 struct buf *obp = bounce->obp;
574
575 if (bp == bounce->lbp) {
576 if ((bounce->lerr = bp->b_error) == 0)
577 memcpy(obp->b_data, (char *)bp->b_data + bounce->head, bounce->lcount);
578 bounce->lbp = NULL;
579 }
580
581 if (bp == bounce->rbp) {
582 if ((bounce->rerr = bp->b_error) == 0)
583 memcpy((char *)obp->b_data + bounce->lcount, bp->b_data, bounce->rcount);
584 bounce->rbp = NULL;
585 }
586
587 free(bp->b_data, M_DEVBUF);
588 putiobuf(bp);
589
590 if (bounce->lbp != NULL || bounce->rbp != NULL)
591 return;
592
593 obp->b_error = bounce->rerr;
594 if (bounce->lerr)
595 obp->b_error = bounce->lerr;
596
597 obp->b_resid = 0;
598 if (obp->b_error)
599 obp->b_resid = obp->b_bcount;
600
601 free(bounce, M_DEVBUF);
602 biodone(obp);
603 }
604
605 static int
cd_make_bounce_buffer(struct cd_softc * cd,struct buf * bp,daddr_t blkno,int count,struct buf ** nbpp,void * priv)606 cd_make_bounce_buffer(struct cd_softc *cd, struct buf *bp, daddr_t blkno, int count, struct buf **nbpp, void *priv)
607 {
608 struct buf *nbp;
609
610 /* We don't support bouncing writes */
611 if ((bp->b_flags & B_READ) == 0)
612 return EACCES; /* XXX */
613
614 nbp = getiobuf(NULL, false);
615 if (nbp == NULL)
616 return ENOMEM;
617
618 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT);
619 if (nbp->b_data == NULL) {
620 putiobuf(nbp);
621 return ENOMEM;
622 }
623
624 /* Set up the IOP to the bounce buffer */
625 nbp->b_error = 0;
626 nbp->b_dev = bp->b_dev;
627 nbp->b_proc = bp->b_proc;
628 nbp->b_bcount = count;
629 nbp->b_bufsize = count;
630 nbp->b_blkno = blkno;
631 nbp->b_flags = bp->b_flags | B_READ;
632 nbp->b_oflags = bp->b_oflags;
633 nbp->b_cflags = bp->b_cflags;
634 nbp->b_iodone = cd_bounce_buffer_done;
635 nbp->b_private = priv;
636
637 BIO_COPYPRIO(nbp, bp);
638
639 *nbpp = nbp;
640 return 0;
641 }
642
643 static int
cd_make_bounce(struct cd_softc * cd,struct buf * bp,struct cdbounce ** bouncep)644 cd_make_bounce(struct cd_softc *cd, struct buf *bp, struct cdbounce **bouncep)
645 {
646 struct dk_softc *dksc = &cd->sc_dksc;
647 unsigned secsize = dksc->sc_dkdev.dk_geom.dg_secsize;
648 struct cdbounce *bounce;
649 int bps, nblks, skip, total, count;
650 daddr_t blkno;
651 struct buf *lbp, *rbp;
652 int error;
653
654 bounce = malloc(sizeof(struct cdbounce), M_DEVBUF, M_NOWAIT|M_ZERO);
655 if (bounce == NULL)
656 return ENOMEM;
657
658 bps = howmany(secsize, DEV_BSIZE);
659 nblks = howmany(bp->b_bcount, DEV_BSIZE);
660
661 skip = bp->b_blkno % bps;
662
663 blkno = bp->b_blkno - skip;
664 total = roundup(nblks + skip, bps) * DEV_BSIZE;
665
666 count = total;
667 cd_iosize(dksc->sc_dev, &count);
668
669 bounce->head = skip * DEV_BSIZE;
670 bounce->lcount = imin(count - bounce->head, bp->b_bcount);
671 bounce->rcount = bp->b_bcount - bounce->lcount;
672
673 error = cd_make_bounce_buffer(cd, bp, blkno, count, &lbp, bounce);
674 if (error)
675 goto bad;
676
677 blkno += howmany(count, DEV_BSIZE);
678 count = total - count;
679
680 if (count > 0) {
681 error = cd_make_bounce_buffer(cd, bp, blkno, count, &rbp, bounce);
682 if (error) {
683 free(lbp->b_data, M_DEVBUF);
684 putiobuf(lbp);
685 goto bad;
686 }
687 } else
688 rbp = NULL;
689
690 bounce->obp = bp;
691 bounce->lbp = lbp;
692 bounce->rbp = rbp;
693
694 *bouncep = bounce;
695
696 return 0;
697
698 bad:
699 free(bounce, M_DEVBUF);
700 return error;
701 }
702
703 /*
704 * Actually translate the requested transfer into one the physical driver can
705 * understand. The transfer is described by a buf and will include only one
706 * physical transfer.
707 */
708 static void
cdstrategy(struct buf * bp)709 cdstrategy(struct buf *bp)
710 {
711 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev));
712 struct dk_softc *dksc = &cd->sc_dksc;
713 struct scsipi_periph *periph = cd->sc_periph;
714 int error;
715
716 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy "));
717 SC_DEBUG(cd->sc_periph, SCSIPI_DB1,
718 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno));
719
720 /*
721 * If the device has been made invalid, error out
722 * maybe the media changed
723 */
724 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) {
725 if (periph->periph_flags & PERIPH_OPEN)
726 error = EIO;
727 else
728 error = ENODEV;
729 goto bad;
730 }
731
732 /*
733 * If label and device don't agree in sector size use a bounce buffer
734 */
735 if (dksc->sc_dkdev.dk_label->d_secsize != dksc->sc_dkdev.dk_geom.dg_secsize) {
736 struct cdbounce *bounce = NULL;
737
738 error = cd_make_bounce(cd, bp, &bounce);
739 if (error)
740 goto bad;
741
742 dk_strategy(dksc, bounce->lbp);
743 if (bounce->rbp != NULL)
744 dk_strategy(dksc, bounce->rbp);
745
746 return;
747 }
748
749 dk_strategy(dksc, bp);
750 return;
751
752 bad:
753 bp->b_error = error;
754 bp->b_resid = bp->b_bcount;
755 biodone(bp);
756 }
757
758 /*
759 * Issue single I/O command
760 *
761 * Called from dk_start and implicitly from dk_strategy
762 */
763 static int
cd_diskstart(device_t dev,struct buf * bp)764 cd_diskstart(device_t dev, struct buf *bp)
765 {
766 struct cd_softc *cd = device_private(dev);
767 struct scsipi_periph *periph = cd->sc_periph;
768 struct scsipi_channel *chan = periph->periph_channel;
769 struct scsipi_rw_10 cmd_big;
770 struct scsi_rw_6 cmd_small;
771 struct scsipi_generic *cmdp;
772 struct scsipi_xfer *xs;
773 int error, flags, nblks, cmdlen;
774
775 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart "));
776
777 mutex_enter(chan_mtx(chan));
778
779 if (periph->periph_active >= periph->periph_openings) {
780 error = EAGAIN;
781 goto out;
782 }
783
784 /*
785 * there is excess capacity, but a special waits
786 * It'll need the adapter as soon as we clear out of the
787 * way and let it run (user level wait).
788 */
789 if (periph->periph_flags & PERIPH_WAITING) {
790 periph->periph_flags &= ~PERIPH_WAITING;
791 cv_broadcast(periph_cv_periph(periph));
792 error = EAGAIN;
793 goto out;
794 }
795
796 /*
797 * If the device has become invalid, abort all the
798 * reads and writes until all files have been closed and
799 * re-opened
800 */
801 if (__predict_false(
802 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) {
803 error = EIO;
804 goto out;
805 }
806
807 nblks = howmany(bp->b_bcount, cd->params.blksize);
808
809 /*
810 * Fill out the scsi command. If the transfer will
811 * fit in a "small" cdb, use it.
812 */
813 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) &&
814 ((nblks & 0xff) == nblks) &&
815 !(periph->periph_quirks & PQUIRK_ONLYBIG)) {
816 /*
817 * We can fit in a small cdb.
818 */
819 memset(&cmd_small, 0, sizeof(cmd_small));
820 cmd_small.opcode = (bp->b_flags & B_READ) ?
821 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND;
822 _lto3b(bp->b_rawblkno, cmd_small.addr);
823 cmd_small.length = nblks & 0xff;
824 cmdlen = sizeof(cmd_small);
825 cmdp = (struct scsipi_generic *)&cmd_small;
826 } else {
827 /*
828 * Need a large cdb.
829 */
830 memset(&cmd_big, 0, sizeof(cmd_big));
831 cmd_big.opcode = (bp->b_flags & B_READ) ?
832 READ_10 : WRITE_10;
833 _lto4b(bp->b_rawblkno, cmd_big.addr);
834 _lto2b(nblks, cmd_big.length);
835 cmdlen = sizeof(cmd_big);
836 cmdp = (struct scsipi_generic *)&cmd_big;
837 }
838
839 /*
840 * Figure out what flags to use.
841 */
842 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG;
843 if (bp->b_flags & B_READ)
844 flags |= XS_CTL_DATA_IN;
845 else
846 flags |= XS_CTL_DATA_OUT;
847
848 /*
849 * Call the routine that chats with the adapter.
850 * Note: we cannot sleep as we may be an interrupt
851 */
852 xs = scsipi_make_xs_locked(periph, cmdp, cmdlen,
853 (u_char *)bp->b_data, bp->b_bcount,
854 CDRETRIES, 30000, bp, flags);
855 if (__predict_false(xs == NULL)) {
856 /*
857 * out of memory. Keep this buffer in the queue, and
858 * retry later.
859 */
860 callout_reset(&cd->sc_callout, hz / 2, cdrestart, cd);
861 error = EAGAIN;
862 goto out;
863 }
864
865 error = scsipi_execute_xs(xs);
866 /* with a scsipi_xfer preallocated, scsipi_command can't fail */
867 KASSERT(error == 0);
868
869 out:
870 mutex_exit(chan_mtx(chan));
871
872 return error;
873 }
874
875 /*
876 * Recover I/O request after memory shortage
877 *
878 * Called from callout
879 */
880 static void
cdrestart(void * v)881 cdrestart(void *v)
882 {
883 struct cd_softc *cd = v;
884 struct dk_softc *dksc = &cd->sc_dksc;
885
886 dk_start(dksc, NULL);
887 }
888
889 /*
890 * Recover I/O request after memory shortage
891 *
892 * Called from scsipi midlayer when resources have been freed
893 * with channel lock held
894 */
895 static void
cdstart(struct scsipi_periph * periph)896 cdstart(struct scsipi_periph *periph)
897 {
898 struct cd_softc *cd = device_private(periph->periph_dev);
899 struct dk_softc *dksc = &cd->sc_dksc;
900 struct scsipi_channel *chan = periph->periph_channel;
901
902 /*
903 * release channel lock as dk_start may need to acquire
904 * other locks
905 *
906 * cdstart is called from scsipi_put_xs and all its callers
907 * release the lock afterwards. So releasing it here
908 * doesn't matter.
909 */
910 mutex_exit(chan_mtx(chan));
911
912 dk_start(dksc, NULL);
913
914 mutex_enter(chan_mtx(chan));
915 }
916
917 static void
cddone(struct scsipi_xfer * xs,int error)918 cddone(struct scsipi_xfer *xs, int error)
919 {
920 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev);
921 struct dk_softc *dksc = &cd->sc_dksc;
922 struct buf *bp = xs->bp;
923
924 if (bp) {
925 bp->b_error = error;
926 bp->b_resid = xs->resid;
927 if (error) {
928 /* on a read/write error bp->b_resid is zero, so fix */
929 bp->b_resid = bp->b_bcount;
930 }
931
932 dk_done(dksc, bp);
933 /* dk_start is called from scsipi_complete */
934 }
935 }
936
937 static int
cd_interpret_sense(struct scsipi_xfer * xs)938 cd_interpret_sense(struct scsipi_xfer *xs)
939 {
940 struct scsipi_periph *periph = xs->xs_periph;
941 struct scsi_sense_data *sense = &xs->sense.scsi_sense;
942 int retval = EJUSTRETURN;
943
944 /*
945 * If it isn't an extended or extended/deferred error, let
946 * the generic code handle it.
947 */
948 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT &&
949 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED)
950 return (retval);
951
952 /*
953 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit
954 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then
955 * wait a bit for the drive to spin up
956 */
957
958 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
959 (sense->asc == 0x04) && (sense->ascq == 0x01)) {
960 /*
961 * Sleep for 5 seconds to wait for the drive to spin up
962 */
963
964 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD "
965 "spinup\n"));
966 if (!callout_pending(&periph->periph_callout))
967 scsipi_periph_freeze(periph, 1);
968 callout_reset(&periph->periph_callout,
969 5 * hz, scsipi_periph_timed_thaw, periph);
970 retval = ERESTART;
971 }
972
973 /*
974 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not
975 * Ready, Operation In Progress" (Sense code 0x04, 0x07),
976 * then wait for the specified time
977 */
978
979 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
980 (sense->asc == 0x04) && (sense->ascq == 0x07)) {
981 /*
982 * we could listen to the delay; but it looks like the skey
983 * data is not always returned.
984 */
985 /* cd_delay = _2btol(sense->sks.sks_bytes); */
986
987 /* wait for a half second and get going again */
988 if (!callout_pending(&periph->periph_callout))
989 scsipi_periph_freeze(periph, 1);
990 callout_reset(&periph->periph_callout,
991 hz/2, scsipi_periph_timed_thaw, periph);
992 retval = ERESTART;
993 }
994
995 /*
996 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in
997 * progress" (Sense code 0x04, 0x08), then wait for the specified
998 * time
999 */
1000
1001 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) &&
1002 (sense->asc == 0x04) && (sense->ascq == 0x08)) {
1003 /*
1004 * long write in process; we could listen to the delay; but it
1005 * looks like the skey data is not always returned.
1006 */
1007 /* cd_delay = _2btol(sense->sks.sks_bytes); */
1008
1009 /* wait for a half second and get going again */
1010 if (!callout_pending(&periph->periph_callout))
1011 scsipi_periph_freeze(periph, 1);
1012 callout_reset(&periph->periph_callout,
1013 hz/2, scsipi_periph_timed_thaw, periph);
1014 retval = ERESTART;
1015 }
1016
1017 return (retval);
1018 }
1019
1020 static void
cdminphys(struct buf * bp)1021 cdminphys(struct buf *bp)
1022 {
1023 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev));
1024 struct dk_softc *dksc = &cd->sc_dksc;
1025 long xmax;
1026
1027 /*
1028 * If the device is ancient, we want to make sure that
1029 * the transfer fits into a 6-byte cdb.
1030 *
1031 * XXX Note that the SCSI-I spec says that 256-block transfers
1032 * are allowed in a 6-byte read/write, and are specified
1033 * by setting the "length" to 0. However, we're conservative
1034 * here, allowing only 255-block transfers in case an
1035 * ancient device gets confused by length == 0. A length of 0
1036 * in a 10-byte read/write actually means 0 blocks.
1037 */
1038 if (cd->flags & CDF_ANCIENT) {
1039 xmax = dksc->sc_dkdev.dk_geom.dg_secsize * 0xff;
1040
1041 if (bp->b_bcount > xmax)
1042 bp->b_bcount = xmax;
1043 }
1044
1045 scsipi_adapter_minphys(cd->sc_periph->periph_channel, bp);
1046 }
1047
1048 static void
cd_iosize(device_t dev,int * count)1049 cd_iosize(device_t dev, int *count)
1050 {
1051 struct buf B;
1052 int bmaj;
1053
1054 bmaj = bdevsw_lookup_major(&cd_bdevsw);
1055 B.b_dev = MAKECDDEV(bmaj,device_unit(dev),RAW_PART);
1056 B.b_bcount = *count;
1057
1058 cdminphys(&B);
1059
1060 *count = B.b_bcount;
1061 }
1062
1063 static int
cdread(dev_t dev,struct uio * uio,int ioflag)1064 cdread(dev_t dev, struct uio *uio, int ioflag)
1065 {
1066 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio));
1067 }
1068
1069 static int
cdwrite(dev_t dev,struct uio * uio,int ioflag)1070 cdwrite(dev_t dev, struct uio *uio, int ioflag)
1071 {
1072 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio));
1073 }
1074
1075 #if 0 /* XXX Not used */
1076 /*
1077 * conversion between minute-seconde-frame and logical block address
1078 * addresses format
1079 */
1080 static void
1081 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f)
1082 {
1083 u_long tmp;
1084
1085 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */
1086 tmp &= 0xffffff; /* negative lbas use only 24 bits */
1087 *m = tmp / (CD_SECS * CD_FRAMES);
1088 tmp %= (CD_SECS * CD_FRAMES);
1089 *s = tmp / CD_FRAMES;
1090 *f = tmp % CD_FRAMES;
1091 }
1092 #endif /* XXX Not used */
1093
1094 /*
1095 * Convert an hour:minute:second:frame address to a logical block address. In
1096 * theory the number of secs/minute and number of frames/second could be
1097 * configured differently in the device as could the block offset but in
1098 * practice these values are rock solid and most drives don't even allow
1099 * theses values to be changed.
1100 */
1101 static uint32_t
hmsf2lba(uint8_t h,uint8_t m,uint8_t s,uint8_t f)1102 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f)
1103 {
1104 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f)
1105 - CD_BLOCK_OFFSET;
1106 }
1107
1108 static int
cdreadmsaddr(struct cd_softc * cd,struct cd_formatted_toc * toc,int * addr)1109 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr)
1110 {
1111 struct scsipi_periph *periph = cd->sc_periph;
1112 int error;
1113 struct cd_toc_entry *cte;
1114
1115 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc,
1116 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry),
1117 0, 0x40 /* control word for "get MS info" */);
1118
1119 if (error)
1120 return (error);
1121
1122 cte = &toc->entries[0];
1123 if (periph->periph_quirks & PQUIRK_LITTLETOC) {
1124 cte->addr.lba = le32toh(cte->addr.lba);
1125 toc->header.len = le16toh(toc->header.len);
1126 } else {
1127 cte->addr.lba = be32toh(cte->addr.lba);
1128 toc->header.len = be16toh(toc->header.len);
1129 }
1130
1131 *addr = (toc->header.len >= 10 && cte->track > 1) ?
1132 cte->addr.lba : 0;
1133 return 0;
1134 }
1135
1136 /* synchronise caches code from cd.c, move to scsipi_ioctl.c ? */
1137 static int
cdcachesync(struct scsipi_periph * periph,int flags)1138 cdcachesync(struct scsipi_periph *periph, int flags) {
1139 struct scsi_synchronize_cache_10 cmd;
1140
1141 /*
1142 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0
1143 * and length 0 as it can't synchronise parts of the disc per spec.
1144 * We ignore ILLEGAL REQUEST in the event that the command is not
1145 * supported by the device, and poll for completion so that we know
1146 * that the cache has actually been flushed.
1147 *
1148 * XXX should we handle the PQUIRK_NOSYNCCACHE ?
1149 */
1150
1151 memset(&cmd, 0, sizeof(cmd));
1152 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10;
1153
1154 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0,
1155 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST));
1156 }
1157
1158 static int
do_cdioreadentries(struct cd_softc * cd,struct ioc_read_toc_entry * te,struct cd_formatted_toc * toc)1159 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te,
1160 struct cd_formatted_toc *toc)
1161 {
1162 /* READ TOC format 0 command, entries */
1163 struct ioc_toc_header *th;
1164 struct cd_toc_entry *cte;
1165 u_int len = te->data_len;
1166 int ntracks;
1167 int error;
1168
1169 th = &toc->header;
1170
1171 if (len > sizeof(toc->entries) ||
1172 len < sizeof(toc->entries[0]))
1173 return (EINVAL);
1174 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format,
1175 te->starting_track, toc,
1176 sizeof(toc->header) + len,
1177 0, 0);
1178 if (error)
1179 return (error);
1180 if (te->address_format == CD_LBA_FORMAT)
1181 for (ntracks =
1182 th->ending_track - th->starting_track + 1;
1183 ntracks >= 0; ntracks--) {
1184 cte = &toc->entries[ntracks];
1185 cte->addr_type = CD_LBA_FORMAT;
1186 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1187 cte->addr.lba = le32toh(cte->addr.lba);
1188 else
1189 cte->addr.lba = be32toh(cte->addr.lba);
1190 }
1191 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1192 th->len = le16toh(th->len);
1193 else
1194 th->len = be16toh(th->len);
1195 return 0;
1196 }
1197
1198 /*
1199 * Perform special action on behalf of the user.
1200 * Knows about the internals of this device
1201 */
1202 static int
cdioctl(dev_t dev,u_long cmd,void * addr,int flag,struct lwp * l)1203 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
1204 {
1205 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev));
1206 struct dk_softc *dksc = &cd->sc_dksc;
1207 struct scsipi_periph *periph = cd->sc_periph;
1208 struct cd_formatted_toc toc;
1209 int part = CDPART(dev);
1210 int error;
1211
1212 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd));
1213
1214 /*
1215 * If the device is not valid, some IOCTLs can still be
1216 * handled on the raw partition. Check this here.
1217 */
1218 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 &&
1219 part != RAW_PART)
1220 return (EIO);
1221
1222 switch (cmd) {
1223 case DIOCTUR: {
1224 /* test unit ready */
1225 error = scsipi_test_unit_ready(cd->sc_periph, XS_CTL_SILENT);
1226 *((int*)addr) = (error == 0);
1227 if (error == ENODEV || error == EIO || error == 0)
1228 return 0;
1229 return error;
1230 }
1231 case CDIOCPLAYTRACKS: {
1232 /* PLAY_MSF command */
1233 struct ioc_play_track *args = addr;
1234
1235 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1236 return (error);
1237 return (cd_play_tracks(cd, &toc, args->start_track,
1238 args->start_index, args->end_track, args->end_index));
1239 }
1240 case CDIOCPLAYMSF: {
1241 /* PLAY_MSF command */
1242 struct ioc_play_msf *args = addr;
1243
1244 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1245 return (error);
1246 return (cd_play_msf(cd, args->start_m, args->start_s,
1247 args->start_f, args->end_m, args->end_s, args->end_f));
1248 }
1249 case CDIOCPLAYBLOCKS: {
1250 /* PLAY command */
1251 struct ioc_play_blocks *args = addr;
1252
1253 if ((error = cd_set_pa_immed(cd, 0)) != 0)
1254 return (error);
1255 return (cd_play(cd, args->blk, args->len));
1256 }
1257 case CDIOCREADSUBCHANNEL: {
1258 /* READ_SUBCHANNEL command */
1259 struct ioc_read_subchannel *args = addr;
1260 struct cd_sub_channel_info data;
1261 u_int len = args->data_len;
1262
1263 if (len > sizeof(data) ||
1264 len < sizeof(struct cd_sub_channel_header))
1265 return (EINVAL);
1266 error = cd_read_subchannel(cd, args->address_format,
1267 args->data_format, args->track, &data, len, 0);
1268 if (error)
1269 return (error);
1270 len = uimin(len, _2btol(data.header.data_len) +
1271 sizeof(struct cd_sub_channel_header));
1272 return (copyout(&data, args->data, len));
1273 }
1274 case CDIOCREADSUBCHANNEL_BUF: {
1275 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */
1276 struct ioc_read_subchannel_buf *args = addr;
1277 if (args->req.data_len != sizeof args->info)
1278 return EINVAL;
1279 return cd_read_subchannel(cd, args->req.address_format,
1280 args->req.data_format, args->req.track, &args->info,
1281 sizeof(args->info), 0);
1282 }
1283 case CDIOREADTOCHEADER: {
1284 /* READ TOC format 0 command, static header */
1285 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0,
1286 &toc, sizeof(toc.header), 0, 0)) != 0)
1287 return (error);
1288 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC)
1289 toc.header.len = le16toh(toc.header.len);
1290 else
1291 toc.header.len = be16toh(toc.header.len);
1292 memcpy(addr, &toc.header, sizeof(toc.header));
1293 return (0);
1294 }
1295 case CDIOREADTOCENTRYS: {
1296 struct ioc_read_toc_entry *te = addr;
1297 error = do_cdioreadentries(cd, te, &toc);
1298 if (error != 0)
1299 return error;
1300 return copyout(toc.entries, te->data, uimin(te->data_len,
1301 toc.header.len - (sizeof(toc.header.starting_track)
1302 + sizeof(toc.header.ending_track))));
1303 }
1304 case CDIOREADTOCENTRIES_BUF: {
1305 struct ioc_read_toc_entry_buf *te = addr;
1306 error = do_cdioreadentries(cd, &te->req, &toc);
1307 if (error != 0)
1308 return error;
1309 memcpy(te->entry, toc.entries, uimin(te->req.data_len,
1310 toc.header.len - (sizeof(toc.header.starting_track)
1311 + sizeof(toc.header.ending_track))));
1312 return 0;
1313 }
1314 case CDIOREADMSADDR: {
1315 /* READ TOC format 0 command, length of first track only */
1316 int sessno = *(int*)addr;
1317
1318 if (sessno != 0)
1319 return (EINVAL);
1320
1321 return (cdreadmsaddr(cd, &toc, addr));
1322 }
1323 case CDIOCSETPATCH: {
1324 struct ioc_patch *arg = addr;
1325
1326 return (cd_setchan(cd, arg->patch[0], arg->patch[1],
1327 arg->patch[2], arg->patch[3], 0));
1328 }
1329 case CDIOCGETVOL: {
1330 /* MODE SENSE command (AUDIO page) */
1331 struct ioc_vol *arg = addr;
1332
1333 return (cd_getvol(cd, arg, 0));
1334 }
1335 case CDIOCSETVOL: {
1336 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1337 struct ioc_vol *arg = addr;
1338
1339 return (cd_setvol(cd, arg, 0));
1340 }
1341 case CDIOCSETMONO:
1342 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1343 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL,
1344 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1345
1346 case CDIOCSETSTEREO:
1347 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1348 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL,
1349 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1350
1351 case CDIOCSETMUTE:
1352 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1353 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL,
1354 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1355
1356 case CDIOCSETLEFT:
1357 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1358 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL,
1359 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1360
1361 case CDIOCSETRIGHT:
1362 /* MODE SENSE/MODE SELECT commands (AUDIO page) */
1363 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL,
1364 MUTE_CHANNEL, MUTE_CHANNEL, 0));
1365
1366 case CDIOCRESUME:
1367 /* PAUSE command */
1368 return (cd_pause(cd, PA_RESUME));
1369 case CDIOCPAUSE:
1370 /* PAUSE command */
1371 return (cd_pause(cd, PA_PAUSE));
1372 case CDIOCSTART:
1373 return (scsipi_start(periph, SSS_START, 0));
1374 case CDIOCSTOP:
1375 return (scsipi_start(periph, SSS_STOP, 0));
1376 case CDIOCCLOSE:
1377 return (scsipi_start(periph, SSS_START|SSS_LOEJ,
1378 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE));
1379 case DIOCEJECT:
1380 if (*(int *)addr == 0) {
1381 int pmask = __BIT(part);
1382 /*
1383 * Don't force eject: check that we are the only
1384 * partition open. If so, unlock it.
1385 */
1386 if (DK_BUSY(dksc, pmask) == 0) {
1387 error = scsipi_prevent(periph, SPAMR_ALLOW,
1388 XS_CTL_IGNORE_NOT_READY);
1389 if (error)
1390 return (error);
1391 } else {
1392 return (EBUSY);
1393 }
1394 }
1395 /* FALLTHROUGH */
1396 case CDIOCEJECT: /* FALLTHROUGH */
1397 case ODIOCEJECT:
1398 error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0);
1399 if (error == 0)
1400 /* Make sure cdclose() will do silent operations */
1401 cd->flags |= CDF_EJECTED;
1402 return error;
1403 case DIOCCACHESYNC:
1404 /* SYNCHRONISE CACHES command */
1405 return (cdcachesync(periph, 0));
1406 case CDIOCALLOW:
1407 return (scsipi_prevent(periph, SPAMR_ALLOW, 0));
1408 case CDIOCPREVENT:
1409 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0));
1410 case DIOCLOCK:
1411 return (scsipi_prevent(periph,
1412 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0));
1413 case CDIOCSETDEBUG:
1414 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2);
1415 return (0);
1416 case CDIOCCLRDEBUG:
1417 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2);
1418 return (0);
1419 case CDIOCRESET:
1420 case SCIOCRESET:
1421 return (cd_reset(cd));
1422 case CDIOCLOADUNLOAD:
1423 /* LOAD_UNLOAD command */
1424 return (cd_load_unload(cd, addr));
1425 case DVD_AUTH:
1426 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */
1427 return (dvd_auth(cd, addr));
1428 case DVD_READ_STRUCT:
1429 /* GPCMD_READ_DVD_STRUCTURE command */
1430 return (dvd_read_struct(cd, addr));
1431 case MMCGETDISCINFO:
1432 /*
1433 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO,
1434 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands
1435 */
1436 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr);
1437 case MMCGETTRACKINFO:
1438 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */
1439 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr);
1440 case MMCOP:
1441 /*
1442 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK,
1443 * SYNCHRONISE_CACHE commands
1444 */
1445 return mmc_do_op(periph, (struct mmc_op *) addr);
1446 case MMCSETUPWRITEPARAMS :
1447 /* MODE SENSE page 5, MODE_SELECT page 5 commands */
1448 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr);
1449 default:
1450 error = dk_ioctl(dksc, dev, cmd, addr, flag, l);
1451 if (error == ENOTTY)
1452 error = scsipi_do_ioctl(periph, dev, cmd, addr, flag, l);
1453 return (error);
1454 }
1455
1456 #ifdef DIAGNOSTIC
1457 panic("cdioctl: impossible");
1458 #endif
1459 }
1460
1461 static void
cd_label(device_t self,struct disklabel * lp)1462 cd_label(device_t self, struct disklabel *lp)
1463 {
1464 struct cd_softc *cd = device_private(self);
1465 struct scsipi_periph *periph = cd->sc_periph;
1466 struct cd_formatted_toc toc;
1467 int lastsession = 0;
1468
1469 strncpy(lp->d_typename, "optical media", 16);
1470 lp->d_rpm = 300;
1471 lp->d_flags |= D_REMOVABLE;
1472
1473 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) != 0) {
1474 lp->d_flags |= D_SCSI_MMC;
1475 (void) cdreadmsaddr(cd, &toc, &lastsession);
1476 }
1477
1478 lp->d_partitions[0].p_offset = 0;
1479 lp->d_partitions[0].p_size = lp->d_secperunit;
1480 lp->d_partitions[0].p_cdsession = lastsession;
1481 lp->d_partitions[0].p_fstype = FS_ISO9660;
1482
1483 lp->d_partitions[RAW_PART].p_offset = 0;
1484 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit;
1485 lp->d_partitions[RAW_PART].p_fstype = FS_UDF;
1486 }
1487
1488 /*
1489 * Reading a disc's total capacity is apparently a very difficult issue for the
1490 * SCSI standardisation group. Every disc type seems to have its own
1491 * (re)invented size request method and modifiers. The failsafe way of
1492 * determining the total (max) capacity i.e. not the recorded capacity but the
1493 * total maximum capacity is to request the info on the last track and
1494 * calculate the last lba.
1495 *
1496 * For ROM drives, we go for the CD recorded capacity. For recordable devices
1497 * we count.
1498 */
1499 static int
read_cd_capacity(struct scsipi_periph * periph,uint32_t * blksize,u_long * last_lba)1500 read_cd_capacity(struct scsipi_periph *periph, uint32_t *blksize, u_long *last_lba)
1501 {
1502 struct scsipi_read_cd_capacity cap_cmd;
1503 /*
1504 * XXX: see PR 48550 and PR 48754:
1505 * the ahcisata(4) driver can not deal with unaligned
1506 * data, so align this "a bit"
1507 */
1508 struct scsipi_read_cd_cap_data cap __aligned(2);
1509 struct scsipi_read_discinfo di_cmd;
1510 struct scsipi_read_discinfo_data di __aligned(2);
1511 struct scsipi_read_trackinfo ti_cmd;
1512 struct scsipi_read_trackinfo_data ti __aligned(2);
1513 uint32_t track_start, track_size;
1514 int error, flags, msb, lsb, last_track;
1515
1516 /* if the device doesn't grok capacity, return the dummies */
1517 if (periph->periph_quirks & PQUIRK_NOCAPACITY)
1518 return 0;
1519
1520 /* first try read CD capacity for blksize and last recorded lba */
1521 /* issue the cd capacity request */
1522 flags = XS_CTL_DATA_IN;
1523 memset(&cap_cmd, 0, sizeof(cap_cmd));
1524 memset(&cap, 0, sizeof(cap));
1525 cap_cmd.opcode = READ_CD_CAPACITY;
1526
1527 error = scsipi_command(periph,
1528 (void *) &cap_cmd, sizeof(cap_cmd),
1529 (void *) &cap, sizeof(cap),
1530 CDRETRIES, 30000, NULL, flags);
1531 if (error)
1532 return error;
1533
1534 /* retrieve values and sanity check them */
1535 *blksize = _4btol(cap.length);
1536 *last_lba = _4btol(cap.addr);
1537
1538 /* blksize is 2048 for CD, but some drives give gibberish */
1539 if ((*blksize < 512) || ((*blksize & 511) != 0)
1540 || (*blksize > 16*1024)) {
1541 if (*blksize > 16*1024)
1542 aprint_error("read_cd_capacity: extra large block "
1543 "size %u found - limiting to 2kByte\n",
1544 *blksize);
1545 *blksize = 2048; /* some drives lie ! */
1546 }
1547
1548 /* If the device doesn't handle READ_DISCINFO properly, */
1549 /* return the dummies */
1550 if (periph->periph_quirks & PQUIRK_NOREADDISCINFO)
1551 return 0;
1552
1553 /* recordables have READ_DISCINFO implemented */
1554 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
1555 memset(&di_cmd, 0, sizeof(di_cmd));
1556 di_cmd.opcode = READ_DISCINFO;
1557 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len);
1558
1559 error = scsipi_command(periph,
1560 (void *) &di_cmd, sizeof(di_cmd),
1561 (void *) &di, READ_DISCINFO_BIGSIZE,
1562 CDRETRIES, 30000, NULL, flags);
1563 if (error == 0) {
1564 msb = di.last_track_last_session_msb;
1565 lsb = di.last_track_last_session_lsb;
1566 last_track = (msb << 8) | lsb;
1567
1568 /* request info on last track */
1569 memset(&ti_cmd, 0, sizeof(ti_cmd));
1570 ti_cmd.opcode = READ_TRACKINFO;
1571 ti_cmd.addr_type = 1; /* on tracknr */
1572 _lto4b(last_track, ti_cmd.address); /* tracknr */
1573 _lto2b(sizeof(ti), ti_cmd.data_len);
1574
1575 error = scsipi_command(periph,
1576 (void *) &ti_cmd, sizeof(ti_cmd),
1577 (void *) &ti, sizeof(ti),
1578 CDRETRIES, 30000, NULL, flags);
1579 if (error == 0) {
1580 track_start = _4btol(ti.track_start);
1581 track_size = _4btol(ti.track_size);
1582
1583 /* overwrite only with a sane value */
1584 if (track_start + track_size >= 100)
1585 *last_lba = (u_long) track_start + track_size -1;
1586 }
1587 }
1588
1589 /* sanity check for lba_size */
1590 if (*last_lba < 100)
1591 *last_lba = 400000-1;
1592
1593 return 0;
1594 }
1595
1596 /*
1597 * Find out from the device what its capacity is
1598 */
1599 static u_long
cd_size(struct cd_softc * cd,int flags)1600 cd_size(struct cd_softc *cd, int flags)
1601 {
1602 uint32_t blksize = 2048;
1603 u_long last_lba = 0, size;
1604 int error;
1605
1606 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba);
1607 if (error)
1608 goto error;
1609
1610 if (blksize != 2048) {
1611 if (cd_setblksize(cd) == 0) {
1612 blksize = 2048;
1613 error = read_cd_capacity(cd->sc_periph,
1614 &blksize, &last_lba);
1615 if (error)
1616 goto error;
1617 }
1618 }
1619
1620 size = last_lba + 1;
1621 cd->params.blksize = blksize;
1622 cd->params.disksize = size;
1623 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE;
1624
1625 SC_DEBUG(cd->sc_periph, SCSIPI_DB2,
1626 ("cd_size: %u %lu\n", blksize, size));
1627
1628 return size;
1629
1630 error:
1631 /* something went wrong */
1632 cd->params.blksize = 2048;
1633 cd->params.disksize = 0;
1634 cd->params.disksize512 = 0;
1635
1636 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n"));
1637
1638 return 0;
1639 }
1640
1641 /*
1642 * Get scsi driver to send a "start playing" command
1643 */
1644 static int
cd_play(struct cd_softc * cd,int blkno,int nblks)1645 cd_play(struct cd_softc *cd, int blkno, int nblks)
1646 {
1647 struct scsipi_play cmd;
1648
1649 memset(&cmd, 0, sizeof(cmd));
1650 cmd.opcode = PLAY;
1651 _lto4b(blkno, cmd.blk_addr);
1652 _lto2b(nblks, cmd.xfer_len);
1653
1654 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1655 CDRETRIES, 30000, NULL, 0));
1656 }
1657
1658 /*
1659 * Get scsi driver to send a "start playing" command
1660 */
1661 static int
cd_play_tracks(struct cd_softc * cd,struct cd_formatted_toc * toc,int strack,int sindex,int etrack,int eindex)1662 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack,
1663 int sindex, int etrack, int eindex)
1664 {
1665 int error;
1666
1667 if (!etrack)
1668 return (EIO);
1669 if (strack > etrack)
1670 return (EINVAL);
1671
1672 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0);
1673 if (error)
1674 return (error);
1675
1676 if (++etrack > (toc->header.ending_track+1))
1677 etrack = toc->header.ending_track+1;
1678
1679 strack -= toc->header.starting_track;
1680 etrack -= toc->header.starting_track;
1681 if (strack < 0)
1682 return (EINVAL);
1683
1684 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute,
1685 toc->entries[strack].addr.msf.second,
1686 toc->entries[strack].addr.msf.frame,
1687 toc->entries[etrack].addr.msf.minute,
1688 toc->entries[etrack].addr.msf.second,
1689 toc->entries[etrack].addr.msf.frame));
1690 }
1691
1692 /*
1693 * Get scsi driver to send a "play msf" command
1694 */
1695 static int
cd_play_msf(struct cd_softc * cd,int startm,int starts,int startf,int endm,int ends,int endf)1696 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm,
1697 int ends, int endf)
1698 {
1699 struct scsipi_play_msf cmd;
1700
1701 memset(&cmd, 0, sizeof(cmd));
1702 cmd.opcode = PLAY_MSF;
1703 cmd.start_m = startm;
1704 cmd.start_s = starts;
1705 cmd.start_f = startf;
1706 cmd.end_m = endm;
1707 cmd.end_s = ends;
1708 cmd.end_f = endf;
1709
1710 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1711 CDRETRIES, 30000, NULL, 0));
1712 }
1713
1714 /*
1715 * Get scsi driver to send a "start up" command
1716 */
1717 static int
cd_pause(struct cd_softc * cd,int go)1718 cd_pause(struct cd_softc *cd, int go)
1719 {
1720 struct scsipi_pause cmd;
1721
1722 memset(&cmd, 0, sizeof(cmd));
1723 cmd.opcode = PAUSE;
1724 cmd.resume = go & 0xff;
1725
1726 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1727 CDRETRIES, 30000, NULL, 0));
1728 }
1729
1730 /*
1731 * Get scsi driver to send a "RESET" command
1732 */
1733 static int
cd_reset(struct cd_softc * cd)1734 cd_reset(struct cd_softc *cd)
1735 {
1736
1737 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0,
1738 CDRETRIES, 30000, NULL, XS_CTL_RESET));
1739 }
1740
1741 /*
1742 * Read subchannel
1743 */
1744 static int
cd_read_subchannel(struct cd_softc * cd,int mode,int format,int track,struct cd_sub_channel_info * data,int len,int flags)1745 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track,
1746 struct cd_sub_channel_info *data, int len, int flags)
1747 {
1748 struct scsipi_read_subchannel cmd;
1749
1750 memset(&cmd, 0, sizeof(cmd));
1751 cmd.opcode = READ_SUBCHANNEL;
1752 if (mode == CD_MSF_FORMAT)
1753 cmd.byte2 |= CD_MSF;
1754 cmd.byte3 = SRS_SUBQ;
1755 cmd.subchan_format = format;
1756 cmd.track = track;
1757 _lto2b(len, cmd.data_len);
1758
1759 return (scsipi_command(cd->sc_periph,
1760 (void *)&cmd, sizeof(struct scsipi_read_subchannel),
1761 (void *)data, len,
1762 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT));
1763 }
1764
1765 /*
1766 * Read table of contents
1767 */
1768 static int
cd_read_toc(struct cd_softc * cd,int respf,int mode,int start,struct cd_formatted_toc * toc,int len,int flags,int control)1769 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start,
1770 struct cd_formatted_toc *toc, int len, int flags, int control)
1771 {
1772 struct scsipi_read_toc cmd;
1773 int ntoc;
1774
1775 memset(&cmd, 0, sizeof(cmd));
1776 #if 0
1777 if (len != sizeof(struct ioc_toc_header))
1778 ntoc = ((len) - sizeof(struct ioc_toc_header)) /
1779 sizeof(struct cd_toc_entry);
1780 else
1781 #endif
1782 ntoc = len;
1783 cmd.opcode = READ_TOC;
1784 if (mode == CD_MSF_FORMAT)
1785 cmd.addr_mode |= CD_MSF;
1786 cmd.resp_format = respf;
1787 cmd.from_track = start;
1788 _lto2b(ntoc, cmd.data_len);
1789 cmd.control = control;
1790
1791 return (scsipi_command(cd->sc_periph,
1792 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES,
1793 30000, NULL, flags | XS_CTL_DATA_IN));
1794 }
1795
1796 static int
cd_load_toc(struct cd_softc * cd,int respf,struct cd_formatted_toc * toc,int flags)1797 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags)
1798 {
1799 int ntracks, len, error;
1800
1801 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header),
1802 flags, 0)) != 0)
1803 return (error);
1804
1805 ntracks = toc->header.ending_track - toc->header.starting_track + 1;
1806 len = (ntracks + 1) * sizeof(struct cd_toc_entry) +
1807 sizeof(toc->header);
1808 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len,
1809 flags, 0)) != 0)
1810 return (error);
1811 return (0);
1812 }
1813
1814 /*
1815 * Get the scsi driver to send a full inquiry to the device and use the
1816 * results to fill out the disk parameter structure.
1817 */
1818 static int
cd_get_parms(struct cd_softc * cd,int flags)1819 cd_get_parms(struct cd_softc *cd, int flags)
1820 {
1821
1822 /*
1823 * give a number of sectors so that sec * trks * cyls
1824 * is <= disk_size
1825 */
1826 if (cd_size(cd, flags) == 0)
1827 return (ENXIO);
1828 return (0);
1829 }
1830
1831 static int
cdsize(dev_t dev)1832 cdsize(dev_t dev)
1833 {
1834
1835 /* CD-ROMs are read-only. */
1836 return (-1);
1837 }
1838
1839 static int
cddump(dev_t dev,daddr_t blkno,void * va,size_t size)1840 cddump(dev_t dev, daddr_t blkno, void *va, size_t size)
1841 {
1842
1843 /* Not implemented. */
1844 return (ENXIO);
1845 }
1846
1847 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key))
1848 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge))
1849
1850 static int
dvd_auth(struct cd_softc * cd,dvd_authinfo * a)1851 dvd_auth(struct cd_softc *cd, dvd_authinfo *a)
1852 {
1853 struct scsipi_generic cmd;
1854 u_int8_t bf[20];
1855 int error;
1856
1857 memset(cmd.bytes, 0, 15);
1858 memset(bf, 0, sizeof(bf));
1859
1860 switch (a->type) {
1861 case DVD_LU_SEND_AGID:
1862 cmd.opcode = GPCMD_REPORT_KEY;
1863 cmd.bytes[8] = 8;
1864 cmd.bytes[9] = 0 | (0 << 6);
1865 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1866 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1867 if (error)
1868 return (error);
1869 a->lsa.agid = bf[7] >> 6;
1870 return (0);
1871
1872 case DVD_LU_SEND_CHALLENGE:
1873 cmd.opcode = GPCMD_REPORT_KEY;
1874 cmd.bytes[8] = 16;
1875 cmd.bytes[9] = 1 | (a->lsc.agid << 6);
1876 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1877 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1878 if (error)
1879 return (error);
1880 dvd_copy_challenge(a->lsc.chal, &bf[4]);
1881 return (0);
1882
1883 case DVD_LU_SEND_KEY1:
1884 cmd.opcode = GPCMD_REPORT_KEY;
1885 cmd.bytes[8] = 12;
1886 cmd.bytes[9] = 2 | (a->lsk.agid << 6);
1887 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1888 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1889 if (error)
1890 return (error);
1891 dvd_copy_key(a->lsk.key, &bf[4]);
1892 return (0);
1893
1894 case DVD_LU_SEND_TITLE_KEY:
1895 cmd.opcode = GPCMD_REPORT_KEY;
1896 _lto4b(a->lstk.lba, &cmd.bytes[1]);
1897 cmd.bytes[8] = 12;
1898 cmd.bytes[9] = 4 | (a->lstk.agid << 6);
1899 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1900 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1901 if (error)
1902 return (error);
1903 a->lstk.cpm = (bf[4] >> 7) & 1;
1904 a->lstk.cp_sec = (bf[4] >> 6) & 1;
1905 a->lstk.cgms = (bf[4] >> 4) & 3;
1906 dvd_copy_key(a->lstk.title_key, &bf[5]);
1907 return (0);
1908
1909 case DVD_LU_SEND_ASF:
1910 cmd.opcode = GPCMD_REPORT_KEY;
1911 cmd.bytes[8] = 8;
1912 cmd.bytes[9] = 5 | (a->lsasf.agid << 6);
1913 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1914 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1915 if (error)
1916 return (error);
1917 a->lsasf.asf = bf[7] & 1;
1918 return (0);
1919
1920 case DVD_HOST_SEND_CHALLENGE:
1921 cmd.opcode = GPCMD_SEND_KEY;
1922 cmd.bytes[8] = 16;
1923 cmd.bytes[9] = 1 | (a->hsc.agid << 6);
1924 bf[1] = 14;
1925 dvd_copy_challenge(&bf[4], a->hsc.chal);
1926 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1927 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1928 if (error)
1929 return (error);
1930 a->type = DVD_LU_SEND_KEY1;
1931 return (0);
1932
1933 case DVD_HOST_SEND_KEY2:
1934 cmd.opcode = GPCMD_SEND_KEY;
1935 cmd.bytes[8] = 12;
1936 cmd.bytes[9] = 3 | (a->hsk.agid << 6);
1937 bf[1] = 10;
1938 dvd_copy_key(&bf[4], a->hsk.key);
1939 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1940 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1941 if (error) {
1942 a->type = DVD_AUTH_FAILURE;
1943 return (error);
1944 }
1945 a->type = DVD_AUTH_ESTABLISHED;
1946 return (0);
1947
1948 case DVD_INVALIDATE_AGID:
1949 cmd.opcode = GPCMD_REPORT_KEY;
1950 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6);
1951 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1952 CDRETRIES, 30000, NULL, 0);
1953 if (error)
1954 return (error);
1955 return (0);
1956
1957 case DVD_LU_SEND_RPC_STATE:
1958 cmd.opcode = GPCMD_REPORT_KEY;
1959 cmd.bytes[8] = 8;
1960 cmd.bytes[9] = 8 | (0 << 6);
1961 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1962 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1963 if (error)
1964 return (error);
1965 a->lrpcs.type = (bf[4] >> 6) & 3;
1966 a->lrpcs.vra = (bf[4] >> 3) & 7;
1967 a->lrpcs.ucca = (bf[4]) & 7;
1968 a->lrpcs.region_mask = bf[5];
1969 a->lrpcs.rpc_scheme = bf[6];
1970 return (0);
1971
1972 case DVD_HOST_SEND_RPC_STATE:
1973 cmd.opcode = GPCMD_SEND_KEY;
1974 cmd.bytes[8] = 8;
1975 cmd.bytes[9] = 6 | (0 << 6);
1976 bf[1] = 6;
1977 bf[4] = a->hrpcs.pdrc;
1978 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1979 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1980 if (error)
1981 return (error);
1982 return (0);
1983
1984 default:
1985 return (ENOTTY);
1986 }
1987 }
1988
1989 static int
dvd_read_physical(struct cd_softc * cd,dvd_struct * s)1990 dvd_read_physical(struct cd_softc *cd, dvd_struct *s)
1991 {
1992 struct scsipi_generic cmd;
1993 u_int8_t bf[4 + 4 * 20], *bufp;
1994 int error;
1995 struct dvd_layer *layer;
1996 int i;
1997
1998 memset(cmd.bytes, 0, 15);
1999 memset(bf, 0, sizeof(bf));
2000 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2001 cmd.bytes[6] = s->type;
2002 _lto2b(sizeof(bf), &cmd.bytes[7]);
2003
2004 cmd.bytes[5] = s->physical.layer_num;
2005 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2006 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2007 if (error)
2008 return (error);
2009 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4;
2010 i++, bufp += 20, layer++) {
2011 memset(layer, 0, sizeof(*layer));
2012 layer->book_version = bufp[0] & 0xf;
2013 layer->book_type = bufp[0] >> 4;
2014 layer->min_rate = bufp[1] & 0xf;
2015 layer->disc_size = bufp[1] >> 4;
2016 layer->layer_type = bufp[2] & 0xf;
2017 layer->track_path = (bufp[2] >> 4) & 1;
2018 layer->nlayers = (bufp[2] >> 5) & 3;
2019 layer->track_density = bufp[3] & 0xf;
2020 layer->linear_density = bufp[3] >> 4;
2021 layer->start_sector = _4btol(&bufp[4]);
2022 layer->end_sector = _4btol(&bufp[8]);
2023 layer->end_sector_l0 = _4btol(&bufp[12]);
2024 layer->bca = bufp[16] >> 7;
2025 }
2026 return (0);
2027 }
2028
2029 static int
dvd_read_copyright(struct cd_softc * cd,dvd_struct * s)2030 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s)
2031 {
2032 struct scsipi_generic cmd;
2033 u_int8_t bf[8];
2034 int error;
2035
2036 memset(cmd.bytes, 0, 15);
2037 memset(bf, 0, sizeof(bf));
2038 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2039 cmd.bytes[6] = s->type;
2040 _lto2b(sizeof(bf), &cmd.bytes[7]);
2041
2042 cmd.bytes[5] = s->copyright.layer_num;
2043 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2044 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2045 if (error)
2046 return (error);
2047 s->copyright.cpst = bf[4];
2048 s->copyright.rmi = bf[5];
2049 return (0);
2050 }
2051
2052 static int
dvd_read_disckey(struct cd_softc * cd,dvd_struct * s)2053 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s)
2054 {
2055 struct scsipi_generic cmd;
2056 u_int8_t *bf;
2057 int error;
2058
2059 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2060 if (bf == NULL)
2061 return EIO;
2062 memset(cmd.bytes, 0, 15);
2063 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2064 cmd.bytes[6] = s->type;
2065 _lto2b(4 + 2048, &cmd.bytes[7]);
2066
2067 cmd.bytes[9] = s->disckey.agid << 6;
2068 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2069 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2070 if (error == 0)
2071 memcpy(s->disckey.value, &bf[4], 2048);
2072 free(bf, M_TEMP);
2073 return error;
2074 }
2075
2076 static int
dvd_read_bca(struct cd_softc * cd,dvd_struct * s)2077 dvd_read_bca(struct cd_softc *cd, dvd_struct *s)
2078 {
2079 struct scsipi_generic cmd;
2080 u_int8_t bf[4 + 188];
2081 int error;
2082
2083 memset(cmd.bytes, 0, 15);
2084 memset(bf, 0, sizeof(bf));
2085 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2086 cmd.bytes[6] = s->type;
2087 _lto2b(sizeof(bf), &cmd.bytes[7]);
2088
2089 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2090 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2091 if (error)
2092 return (error);
2093 s->bca.len = _2btol(&bf[0]);
2094 if (s->bca.len < 12 || s->bca.len > 188)
2095 return (EIO);
2096 memcpy(s->bca.value, &bf[4], s->bca.len);
2097 return (0);
2098 }
2099
2100 static int
dvd_read_manufact(struct cd_softc * cd,dvd_struct * s)2101 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s)
2102 {
2103 struct scsipi_generic cmd;
2104 u_int8_t *bf;
2105 int error;
2106
2107 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2108 if (bf == NULL)
2109 return (EIO);
2110 memset(cmd.bytes, 0, 15);
2111 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2112 cmd.bytes[6] = s->type;
2113 _lto2b(4 + 2048, &cmd.bytes[7]);
2114
2115 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2116 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2117 if (error == 0) {
2118 s->manufact.len = _2btol(&bf[0]);
2119 if (s->manufact.len >= 0 && s->manufact.len <= 2048)
2120 memcpy(s->manufact.value, &bf[4], s->manufact.len);
2121 else
2122 error = EIO;
2123 }
2124 free(bf, M_TEMP);
2125 return error;
2126 }
2127
2128 static int
dvd_read_struct(struct cd_softc * cd,dvd_struct * s)2129 dvd_read_struct(struct cd_softc *cd, dvd_struct *s)
2130 {
2131
2132 switch (s->type) {
2133 case DVD_STRUCT_PHYSICAL:
2134 return (dvd_read_physical(cd, s));
2135 case DVD_STRUCT_COPYRIGHT:
2136 return (dvd_read_copyright(cd, s));
2137 case DVD_STRUCT_DISCKEY:
2138 return (dvd_read_disckey(cd, s));
2139 case DVD_STRUCT_BCA:
2140 return (dvd_read_bca(cd, s));
2141 case DVD_STRUCT_MANUFACT:
2142 return (dvd_read_manufact(cd, s));
2143 default:
2144 return (EINVAL);
2145 }
2146 }
2147
2148 static int
cd_mode_sense(struct cd_softc * cd,u_int8_t byte2,void * sense,size_t size,int page,int flags,int * big)2149 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2150 int page, int flags, int *big)
2151 {
2152
2153 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) {
2154 *big = 1;
2155 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense,
2156 size + sizeof(struct scsi_mode_parameter_header_10),
2157 flags, CDRETRIES, 20000);
2158 } else {
2159 *big = 0;
2160 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense,
2161 size + sizeof(struct scsi_mode_parameter_header_6),
2162 flags, CDRETRIES, 20000);
2163 }
2164 }
2165
2166 static int
cd_mode_select(struct cd_softc * cd,u_int8_t byte2,void * sense,size_t size,int flags,int big)2167 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2168 int flags, int big)
2169 {
2170
2171 if (big) {
2172 struct scsi_mode_parameter_header_10 *header = sense;
2173
2174 _lto2b(0, header->data_length);
2175 return scsipi_mode_select_big(cd->sc_periph, byte2, sense,
2176 size + sizeof(struct scsi_mode_parameter_header_10),
2177 flags, CDRETRIES, 20000);
2178 } else {
2179 struct scsi_mode_parameter_header_6 *header = sense;
2180
2181 header->data_length = 0;
2182 return scsipi_mode_select(cd->sc_periph, byte2, sense,
2183 size + sizeof(struct scsi_mode_parameter_header_6),
2184 flags, CDRETRIES, 20000);
2185 }
2186 }
2187
2188 static int
cd_set_pa_immed(struct cd_softc * cd,int flags)2189 cd_set_pa_immed(struct cd_softc *cd, int flags)
2190 {
2191 struct {
2192 union {
2193 struct scsi_mode_parameter_header_6 small;
2194 struct scsi_mode_parameter_header_10 big;
2195 } header;
2196 struct cd_audio_page page;
2197 } data;
2198 int error;
2199 uint8_t oflags;
2200 int big, byte2;
2201 struct cd_audio_page *page;
2202
2203 byte2 = SMS_DBD;
2204 try_again:
2205 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2206 AUDIO_PAGE, flags, &big)) != 0) {
2207 if (byte2 == SMS_DBD) {
2208 /* Device may not understand DBD; retry without */
2209 byte2 = 0;
2210 goto try_again;
2211 }
2212 return (error);
2213 }
2214
2215 if (big)
2216 page = (void *)((u_long)&data.header.big +
2217 sizeof data.header.big +
2218 _2btol(data.header.big.blk_desc_len));
2219 else
2220 page = (void *)((u_long)&data.header.small +
2221 sizeof data.header.small +
2222 data.header.small.blk_desc_len);
2223
2224 oflags = page->flags;
2225 page->flags &= ~CD_PA_SOTC;
2226 page->flags |= CD_PA_IMMED;
2227 if (oflags == page->flags)
2228 return (0);
2229
2230 return (cd_mode_select(cd, SMS_PF, &data,
2231 sizeof(struct scsi_mode_page_header) + page->pg_length,
2232 flags, big));
2233 }
2234
2235 static int
cd_setchan(struct cd_softc * cd,int p0,int p1,int p2,int p3,int flags)2236 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags)
2237 {
2238 struct {
2239 union {
2240 struct scsi_mode_parameter_header_6 small;
2241 struct scsi_mode_parameter_header_10 big;
2242 } header;
2243 struct cd_audio_page page;
2244 } data;
2245 int error;
2246 int big, byte2;
2247 struct cd_audio_page *page;
2248
2249 byte2 = SMS_DBD;
2250 try_again:
2251 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2252 AUDIO_PAGE, flags, &big)) != 0) {
2253 if (byte2 == SMS_DBD) {
2254 /* Device may not understand DBD; retry without */
2255 byte2 = 0;
2256 goto try_again;
2257 }
2258 return (error);
2259 }
2260
2261 if (big)
2262 page = (void *)((u_long)&data.header.big +
2263 sizeof data.header.big +
2264 _2btol(data.header.big.blk_desc_len));
2265 else
2266 page = (void *)((u_long)&data.header.small +
2267 sizeof data.header.small +
2268 data.header.small.blk_desc_len);
2269
2270 page->port[0].channels = p0;
2271 page->port[1].channels = p1;
2272 page->port[2].channels = p2;
2273 page->port[3].channels = p3;
2274
2275 return (cd_mode_select(cd, SMS_PF, &data,
2276 sizeof(struct scsi_mode_page_header) + page->pg_length,
2277 flags, big));
2278 }
2279
2280 static int
cd_getvol(struct cd_softc * cd,struct ioc_vol * arg,int flags)2281 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags)
2282 {
2283 struct {
2284 union {
2285 struct scsi_mode_parameter_header_6 small;
2286 struct scsi_mode_parameter_header_10 big;
2287 } header;
2288 struct cd_audio_page page;
2289 } data;
2290 int error;
2291 int big, byte2;
2292 struct cd_audio_page *page;
2293
2294 byte2 = SMS_DBD;
2295 try_again:
2296 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2297 AUDIO_PAGE, flags, &big)) != 0) {
2298 if (byte2 == SMS_DBD) {
2299 /* Device may not understand DBD; retry without */
2300 byte2 = 0;
2301 goto try_again;
2302 }
2303 return (error);
2304 }
2305
2306 if (big)
2307 page = (void *)((u_long)&data.header.big +
2308 sizeof data.header.big +
2309 _2btol(data.header.big.blk_desc_len));
2310 else
2311 page = (void *)((u_long)&data.header.small +
2312 sizeof data.header.small +
2313 data.header.small.blk_desc_len);
2314
2315 arg->vol[0] = page->port[0].volume;
2316 arg->vol[1] = page->port[1].volume;
2317 arg->vol[2] = page->port[2].volume;
2318 arg->vol[3] = page->port[3].volume;
2319
2320 return (0);
2321 }
2322
2323 static int
cd_setvol(struct cd_softc * cd,const struct ioc_vol * arg,int flags)2324 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags)
2325 {
2326 struct {
2327 union {
2328 struct scsi_mode_parameter_header_6 small;
2329 struct scsi_mode_parameter_header_10 big;
2330 } header;
2331 struct cd_audio_page page;
2332 } data, mask;
2333 int error;
2334 int big, byte2;
2335 struct cd_audio_page *page, *page2;
2336
2337 byte2 = SMS_DBD;
2338 try_again:
2339 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2340 AUDIO_PAGE, flags, &big)) != 0) {
2341 if (byte2 == SMS_DBD) {
2342 /* Device may not understand DBD; retry without */
2343 byte2 = 0;
2344 goto try_again;
2345 }
2346 return (error);
2347 }
2348 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page),
2349 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0)
2350 return (error);
2351
2352 if (big) {
2353 page = (void *)((u_long)&data.header.big +
2354 sizeof data.header.big +
2355 _2btol(data.header.big.blk_desc_len));
2356 page2 = (void *)((u_long)&mask.header.big +
2357 sizeof mask.header.big +
2358 _2btol(mask.header.big.blk_desc_len));
2359 } else {
2360 page = (void *)((u_long)&data.header.small +
2361 sizeof data.header.small +
2362 data.header.small.blk_desc_len);
2363 page2 = (void *)((u_long)&mask.header.small +
2364 sizeof mask.header.small +
2365 mask.header.small.blk_desc_len);
2366 }
2367
2368 page->port[0].volume = arg->vol[0] & page2->port[0].volume;
2369 page->port[1].volume = arg->vol[1] & page2->port[1].volume;
2370 page->port[2].volume = arg->vol[2] & page2->port[2].volume;
2371 page->port[3].volume = arg->vol[3] & page2->port[3].volume;
2372
2373 page->port[0].channels = CHANNEL_0;
2374 page->port[1].channels = CHANNEL_1;
2375
2376 return (cd_mode_select(cd, SMS_PF, &data,
2377 sizeof(struct scsi_mode_page_header) + page->pg_length,
2378 flags, big));
2379 }
2380
2381 static int
cd_load_unload(struct cd_softc * cd,struct ioc_load_unload * args)2382 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args)
2383 {
2384 struct scsipi_load_unload cmd;
2385
2386 memset(&cmd, 0, sizeof(cmd));
2387 cmd.opcode = LOAD_UNLOAD;
2388 cmd.options = args->options; /* ioctl uses MMC values */
2389 cmd.slot = args->slot;
2390
2391 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
2392 CDRETRIES, 200000, NULL, 0));
2393 }
2394
2395 static int
cd_setblksize(struct cd_softc * cd)2396 cd_setblksize(struct cd_softc *cd)
2397 {
2398 struct {
2399 union {
2400 struct scsi_mode_parameter_header_6 small;
2401 struct scsi_mode_parameter_header_10 big;
2402 } header;
2403 struct scsi_general_block_descriptor blk_desc;
2404 } data;
2405 int error;
2406 int big, bsize;
2407 struct scsi_general_block_descriptor *bdesc;
2408
2409 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0,
2410 &big)) != 0)
2411 return (error);
2412
2413 if (big) {
2414 bdesc = (void *)(&data.header.big + 1);
2415 bsize = _2btol(data.header.big.blk_desc_len);
2416 } else {
2417 bdesc = (void *)(&data.header.small + 1);
2418 bsize = data.header.small.blk_desc_len;
2419 }
2420
2421 if (bsize == 0) {
2422 printf("cd_setblksize: trying to change bsize, but no blk_desc\n");
2423
2424 return (EINVAL);
2425 }
2426 if (_3btol(bdesc->blklen) == 2048) {
2427 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n");
2428 return (EINVAL);
2429 }
2430
2431 _lto3b(2048, bdesc->blklen);
2432
2433 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0,
2434 big));
2435 }
2436
2437
2438 static int
mmc_profile2class(uint16_t mmc_profile)2439 mmc_profile2class(uint16_t mmc_profile)
2440 {
2441 switch (mmc_profile) {
2442 case 0x01 : /* SCSI discs */
2443 case 0x02 :
2444 /* this can't happen really, cd.c wouldn't have matched */
2445 return MMC_CLASS_DISC;
2446 case 0x03 : /* Magneto Optical with sector erase */
2447 case 0x04 : /* Magneto Optical write once */
2448 case 0x05 : /* Advance Storage Magneto Optical */
2449 return MMC_CLASS_MO;
2450 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */
2451 case 0x08 : /* CD-ROM */
2452 case 0x09 : /* CD-R */
2453 case 0x0a : /* CD-RW */
2454 return MMC_CLASS_CD;
2455 case 0x10 : /* DVD-ROM */
2456 case 0x11 : /* DVD-R */
2457 case 0x12 : /* DVD-RAM */
2458 case 0x13 : /* DVD-RW restricted overwrite */
2459 case 0x14 : /* DVD-RW sequential */
2460 case 0x1a : /* DVD+RW */
2461 case 0x1b : /* DVD+R */
2462 case 0x2a : /* DVD+RW Dual layer */
2463 case 0x2b : /* DVD+R Dual layer */
2464 case 0x50 : /* HD DVD-ROM */
2465 case 0x51 : /* HD DVD-R */
2466 case 0x52 : /* HD DVD-RW; DVD-RAM like */
2467 return MMC_CLASS_DVD;
2468 case 0x40 : /* BD-ROM */
2469 case 0x41 : /* BD-R Sequential recording (SRM) */
2470 case 0x42 : /* BD-R Random Recording (RRM) */
2471 case 0x43 : /* BD-RE */
2472 return MMC_CLASS_BD;
2473 }
2474 return MMC_CLASS_UNKN;
2475 }
2476
2477
2478 /*
2479 * Drive/media combination is reflected in a series of features that can
2480 * either be current or dormant. We try to make sense out of them to create a
2481 * set of easy to use flags that abstract the device/media capabilities.
2482 */
2483
2484 static void
mmc_process_feature(struct mmc_discinfo * mmc_discinfo,uint16_t feature,int cur,uint8_t * rpos)2485 mmc_process_feature(struct mmc_discinfo *mmc_discinfo,
2486 uint16_t feature, int cur, uint8_t *rpos)
2487 {
2488 uint32_t blockingnr;
2489 uint64_t flags;
2490
2491 if (cur == 1) {
2492 flags = mmc_discinfo->mmc_cur;
2493 } else {
2494 flags = mmc_discinfo->mmc_cap;
2495 }
2496
2497 switch (feature) {
2498 case 0x0010 : /* random readable feature */
2499 blockingnr = rpos[5] | (rpos[4] << 8);
2500 if (blockingnr > 1)
2501 flags |= MMC_CAP_PACKET;
2502
2503 /* RW error page */
2504 break;
2505 case 0x0020 : /* random writable feature */
2506 flags |= MMC_CAP_RECORDABLE;
2507 flags |= MMC_CAP_REWRITABLE;
2508 blockingnr = rpos[9] | (rpos[8] << 8);
2509 if (blockingnr > 1)
2510 flags |= MMC_CAP_PACKET;
2511 break;
2512 case 0x0021 : /* incremental streaming write feature */
2513 flags |= MMC_CAP_RECORDABLE;
2514 flags |= MMC_CAP_SEQUENTIAL;
2515 if (cur)
2516 mmc_discinfo->link_block_penalty = rpos[4];
2517 if (rpos[2] & 1)
2518 flags |= MMC_CAP_ZEROLINKBLK;
2519 break;
2520 case 0x0022 : /* (obsolete) erase support feature */
2521 flags |= MMC_CAP_RECORDABLE;
2522 flags |= MMC_CAP_ERASABLE;
2523 break;
2524 case 0x0023 : /* formatting media support feature */
2525 flags |= MMC_CAP_RECORDABLE;
2526 flags |= MMC_CAP_FORMATTABLE;
2527 break;
2528 case 0x0024 : /* hardware assisted defect management feature */
2529 flags |= MMC_CAP_HW_DEFECTFREE;
2530 break;
2531 case 0x0025 : /* write once */
2532 flags |= MMC_CAP_RECORDABLE;
2533 break;
2534 case 0x0026 : /* restricted overwrite feature */
2535 flags |= MMC_CAP_RECORDABLE;
2536 flags |= MMC_CAP_REWRITABLE;
2537 flags |= MMC_CAP_STRICTOVERWRITE;
2538 break;
2539 case 0x0028 : /* MRW formatted media support feature */
2540 flags |= MMC_CAP_MRW;
2541 break;
2542 case 0x002b : /* DVD+R read (and opt. write) support */
2543 flags |= MMC_CAP_SEQUENTIAL;
2544 if (rpos[0] & 1) /* write support */
2545 flags |= MMC_CAP_RECORDABLE;
2546 break;
2547 case 0x002c : /* rigid restricted overwrite feature */
2548 flags |= MMC_CAP_RECORDABLE;
2549 flags |= MMC_CAP_REWRITABLE;
2550 flags |= MMC_CAP_STRICTOVERWRITE;
2551 if (rpos[0] & 1) /* blank bit */
2552 flags |= MMC_CAP_BLANKABLE;
2553 break;
2554 case 0x002d : /* track at once recording feature */
2555 flags |= MMC_CAP_RECORDABLE;
2556 flags |= MMC_CAP_SEQUENTIAL;
2557 break;
2558 case 0x002f : /* DVD-R/-RW write feature */
2559 flags |= MMC_CAP_RECORDABLE;
2560 if (rpos[0] & 2) /* DVD-RW bit */
2561 flags |= MMC_CAP_BLANKABLE;
2562 break;
2563 case 0x0038 : /* BD-R SRM with pseudo overwrite */
2564 flags |= MMC_CAP_PSEUDOOVERWRITE;
2565 break;
2566 default :
2567 /* ignore */
2568 break;
2569 }
2570
2571 if (cur == 1) {
2572 mmc_discinfo->mmc_cur = flags;
2573 } else {
2574 mmc_discinfo->mmc_cap = flags;
2575 }
2576 }
2577
2578 static int
mmc_getdiscinfo_cdrom(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2579 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph,
2580 struct mmc_discinfo *mmc_discinfo)
2581 {
2582 struct scsipi_read_toc gtoc_cmd;
2583 struct scsipi_toc_header *toc_hdr;
2584 struct scsipi_toc_msinfo *toc_msinfo;
2585 const uint32_t buffer_size = 1024;
2586 uint32_t req_size;
2587 uint8_t *buffer;
2588 int error, flags;
2589
2590 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2591 /*
2592 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont
2593 * care' but others might be of interest to programs.
2594 */
2595
2596 mmc_discinfo->disc_state = MMC_STATE_FULL;
2597 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2598 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2599 mmc_discinfo->link_block_penalty = 7; /* not relevant */
2600
2601 /* get number of sessions and first tracknr in last session */
2602 flags = XS_CTL_DATA_IN;
2603 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2604 gtoc_cmd.opcode = READ_TOC;
2605 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
2606 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */
2607 gtoc_cmd.from_track = 0; /* reserved, must be 0 */
2608 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo);
2609 _lto2b(req_size, gtoc_cmd.data_len);
2610
2611 error = scsipi_command(periph,
2612 (void *)>oc_cmd, sizeof(gtoc_cmd),
2613 (void *)buffer, req_size,
2614 CDRETRIES, 30000, NULL, flags);
2615 if (error)
2616 goto out;
2617 toc_hdr = (struct scsipi_toc_header *) buffer;
2618 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4);
2619 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1;
2620 mmc_discinfo->first_track = toc_hdr->first;
2621 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr;
2622
2623 /* get last track of last session */
2624 flags = XS_CTL_DATA_IN;
2625 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
2626 req_size = sizeof(*toc_hdr);
2627 _lto2b(req_size, gtoc_cmd.data_len);
2628
2629 error = scsipi_command(periph,
2630 (void *)>oc_cmd, sizeof(gtoc_cmd),
2631 (void *)buffer, req_size,
2632 CDRETRIES, 30000, NULL, flags);
2633 if (error)
2634 goto out;
2635 toc_hdr = (struct scsipi_toc_header *) buffer;
2636 mmc_discinfo->last_track_last_session = toc_hdr->last;
2637 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1;
2638
2639 /* TODO how to handle disc_barcode and disc_id */
2640 /* done */
2641
2642 out:
2643 free(buffer, M_TEMP);
2644 return error;
2645 }
2646
2647 static int
mmc_getdiscinfo_dvdrom(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2648 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph,
2649 struct mmc_discinfo *mmc_discinfo)
2650 {
2651 struct scsipi_read_toc gtoc_cmd;
2652 struct scsipi_toc_header toc_hdr;
2653 uint32_t req_size;
2654 int error, flags;
2655
2656 /*
2657 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont
2658 * care' but others might be of interest to programs.
2659 */
2660
2661 mmc_discinfo->disc_state = MMC_STATE_FULL;
2662 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2663 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2664 mmc_discinfo->link_block_penalty = 16; /* not relevant */
2665
2666 /* get number of sessions and first tracknr in last session */
2667 flags = XS_CTL_DATA_IN;
2668 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2669 gtoc_cmd.opcode = READ_TOC;
2670 gtoc_cmd.addr_mode = 0; /* LBA */
2671 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */
2672 gtoc_cmd.from_track = 1; /* first track */
2673 req_size = sizeof(toc_hdr);
2674 _lto2b(req_size, gtoc_cmd.data_len);
2675
2676 error = scsipi_command(periph,
2677 (void *)>oc_cmd, sizeof(gtoc_cmd),
2678 (void *)&toc_hdr, req_size,
2679 CDRETRIES, 30000, NULL, flags);
2680 if (error)
2681 return error;
2682
2683 /* DVD-ROM squashes the track/session space */
2684 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1;
2685 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions;
2686 mmc_discinfo->first_track = toc_hdr.first;
2687 mmc_discinfo->first_track_last_session = toc_hdr.last;
2688 mmc_discinfo->last_track_last_session = toc_hdr.last;
2689
2690 /* TODO how to handle disc_barcode and disc_id */
2691 /* done */
2692 return 0;
2693 }
2694
2695 static int
mmc_getdiscinfo(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2696 mmc_getdiscinfo(struct scsipi_periph *periph,
2697 struct mmc_discinfo *mmc_discinfo)
2698 {
2699 struct scsipi_get_configuration gc_cmd;
2700 struct scsipi_get_conf_data *gc;
2701 struct scsipi_get_conf_feature *gcf;
2702 struct scsipi_read_discinfo di_cmd;
2703 struct scsipi_read_discinfo_data di __aligned(2);
2704 const uint32_t buffer_size = 0x200; /* XXX RPZ USB3 SCSI size issue */
2705 uint32_t pos;
2706 u_long last_lba = 0;
2707 uint8_t *buffer, *fpos;
2708 int feature, last_feature, features_len, feature_cur, feature_len;
2709 int lsb, msb, error, flags;
2710
2711 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2712
2713 /* initialise structure */
2714 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo));
2715 mmc_discinfo->mmc_profile = 0x00; /* unknown */
2716 mmc_discinfo->mmc_class = MMC_CLASS_UNKN;
2717 mmc_discinfo->mmc_cur = 0;
2718 mmc_discinfo->mmc_cap = 0;
2719 mmc_discinfo->link_block_penalty = 0;
2720
2721 /* determine mmc profile and class */
2722 flags = XS_CTL_DATA_IN;
2723 memset(&gc_cmd, 0, sizeof(gc_cmd));
2724 gc_cmd.opcode = GET_CONFIGURATION;
2725 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
2726
2727 gc = (struct scsipi_get_conf_data *) buffer;
2728
2729 error = scsipi_command(periph,
2730 (void *)&gc_cmd, sizeof(gc_cmd),
2731 (void *) gc, GET_CONF_NO_FEATURES_LEN,
2732 CDRETRIES, 30000, NULL, flags);
2733 if (error)
2734 goto out;
2735
2736 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile);
2737 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile);
2738
2739 /* assume 2048 sector size unless told otherwise */
2740 mmc_discinfo->sector_size = 2048;
2741 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba);
2742 if (error)
2743 goto out;
2744
2745 mmc_discinfo->last_possible_lba = (uint32_t) last_lba;
2746
2747 /* Read in all features to determine device capabilities */
2748 last_feature = feature = 0;
2749 do {
2750 /* determine mmc profile and class */
2751 flags = XS_CTL_DATA_IN;
2752 memset(&gc_cmd, 0, sizeof(gc_cmd));
2753 gc_cmd.opcode = GET_CONFIGURATION;
2754 _lto2b(last_feature, gc_cmd.start_at_feature);
2755 _lto2b(buffer_size, gc_cmd.data_len);
2756 memset(gc, 0, buffer_size);
2757
2758 error = scsipi_command(periph,
2759 (void *)&gc_cmd, sizeof(gc_cmd),
2760 (void *) gc, buffer_size,
2761 CDRETRIES, 30000, NULL, flags);
2762 if (error) {
2763 /* ieeek... break out of loop... i dunno what to do */
2764 break;
2765 }
2766
2767 features_len = _4btol(gc->data_len);
2768 if (features_len < 4 || features_len > buffer_size)
2769 break;
2770
2771 pos = 0;
2772 fpos = &gc->feature_desc[0];
2773 while (pos < features_len - 4) {
2774 gcf = (struct scsipi_get_conf_feature *) fpos;
2775
2776 feature = _2btol(gcf->featurecode);
2777 feature_cur = gcf->flags & 1;
2778 feature_len = gcf->additional_length;
2779
2780 mmc_process_feature(mmc_discinfo,
2781 feature, feature_cur,
2782 gcf->feature_dependent);
2783
2784 last_feature = MAX(last_feature, feature);
2785 #ifdef DIAGNOSTIC
2786 /* assert((feature_len & 3) == 0); */
2787 if ((feature_len & 3) != 0) {
2788 printf("feature %d having length %d\n",
2789 feature, feature_len);
2790 }
2791 #endif
2792
2793 pos += 4 + feature_len;
2794 fpos += 4 + feature_len;
2795 }
2796 /* unlikely to ever grow past our 1kb buffer */
2797 } while (features_len >= 0xffff);
2798
2799 /*
2800 * Fixup CD-RW drives that are on crack.
2801 *
2802 * Some drives report the capability to incrementally write
2803 * sequentially on CD-R(W) media... nice, but this should not be
2804 * active for a fixed packet formatted CD-RW media. Other report the
2805 * ability of HW_DEFECTFREE even when the media is NOT MRW
2806 * formatted....
2807 */
2808 if (mmc_discinfo->mmc_profile == 0x0a) {
2809 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0)
2810 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE;
2811 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE)
2812 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
2813 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) {
2814 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
2815 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE;
2816 } else {
2817 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE;
2818 }
2819 }
2820 if (mmc_discinfo->mmc_profile == 0x09) {
2821 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE;
2822 }
2823
2824 #ifdef DEBUG
2825 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n",
2826 mmc_discinfo->mmc_profile,
2827 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap);
2828 #endif
2829
2830 /* read in disc state and number of sessions and tracks */
2831 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
2832 memset(&di_cmd, 0, sizeof(di_cmd));
2833 di_cmd.opcode = READ_DISCINFO;
2834 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE;
2835
2836 error = scsipi_command(periph,
2837 (void *)&di_cmd, sizeof(di_cmd),
2838 (void *)&di, READ_DISCINFO_BIGSIZE,
2839 CDRETRIES, 30000, NULL, flags);
2840
2841 if (error) {
2842 /* discinfo call failed, emulate for cd-rom/dvd-rom */
2843 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */
2844 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo);
2845 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */
2846 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo);
2847 else /* CD/DVD drive is violating specs */
2848 error = EIO;
2849 goto out;
2850 }
2851
2852 /* call went OK */
2853 mmc_discinfo->disc_state = di.disc_state & 3;
2854 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3;
2855 mmc_discinfo->bg_format_state = (di.disc_state2 & 3);
2856
2857 lsb = di.num_sessions_lsb;
2858 msb = di.num_sessions_msb;
2859 mmc_discinfo->num_sessions = lsb | (msb << 8);
2860
2861 mmc_discinfo->first_track = di.first_track;
2862 lsb = di.first_track_last_session_lsb;
2863 msb = di.first_track_last_session_msb;
2864 mmc_discinfo->first_track_last_session = lsb | (msb << 8);
2865 lsb = di.last_track_last_session_lsb;
2866 msb = di.last_track_last_session_msb;
2867 mmc_discinfo->last_track_last_session = lsb | (msb << 8);
2868
2869 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session -
2870 mmc_discinfo->first_track + 1;
2871
2872 /* set misc. flags and parameters from this disc info */
2873 if (di.disc_state & 16)
2874 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE;
2875
2876 if (di.disc_state2 & 128) {
2877 mmc_discinfo->disc_id = _4btol(di.discid);
2878 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID;
2879 }
2880 if (di.disc_state2 & 64) {
2881 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code);
2882 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID;
2883 }
2884 if (di.disc_state2 & 32)
2885 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED;
2886
2887 if (di.disc_state2 & 16) {
2888 mmc_discinfo->application_code = di.application_code;
2889 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID;
2890 }
2891
2892 /* done */
2893
2894 out:
2895 free(buffer, M_TEMP);
2896 return error;
2897 }
2898
2899 static int
mmc_gettrackinfo_cdrom(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)2900 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph,
2901 struct mmc_trackinfo *trackinfo)
2902 {
2903 struct scsipi_read_toc gtoc_cmd;
2904 struct scsipi_toc_header *toc_hdr;
2905 struct scsipi_toc_rawtoc *rawtoc;
2906 uint32_t track_start, track_size;
2907 uint32_t last_recorded, next_writable;
2908 uint32_t lba, next_track_start, lead_out;
2909 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
2910 uint8_t *buffer;
2911 uint8_t track_sessionnr, sessionnr, adr, tno, point;
2912 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe;
2913 int size, req_size;
2914 int error, flags;
2915
2916 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2917
2918 /*
2919 * Emulate read trackinfo for CD-ROM using the raw-TOC.
2920 *
2921 * Not all information is present and this presents a problem. Track
2922 * starts are known for each track but other values are deducted.
2923 *
2924 * For a complete overview of `magic' values used here, see the
2925 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no
2926 * names, they are specified as numbers.
2927 */
2928
2929 /* get raw toc to process, first header to check size */
2930 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
2931 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2932 gtoc_cmd.opcode = READ_TOC;
2933 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
2934 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */
2935 gtoc_cmd.from_track = 1; /* first session */
2936 req_size = sizeof(*toc_hdr);
2937 _lto2b(req_size, gtoc_cmd.data_len);
2938
2939 error = scsipi_command(periph,
2940 (void *)>oc_cmd, sizeof(gtoc_cmd),
2941 (void *)buffer, req_size,
2942 CDRETRIES, 30000, NULL, flags);
2943 if (error)
2944 goto out;
2945 toc_hdr = (struct scsipi_toc_header *) buffer;
2946 if (_2btol(toc_hdr->length) > buffer_size - 2) {
2947 #ifdef DIAGNOSTIC
2948 printf("increase buffersize in mmc_readtrackinfo_cdrom\n");
2949 #endif
2950 error = ENOBUFS;
2951 goto out;
2952 }
2953
2954 /* read in complete raw toc */
2955 req_size = _2btol(toc_hdr->length);
2956 req_size = 2*((req_size + 1) / 2); /* for ATAPI */
2957 _lto2b(req_size, gtoc_cmd.data_len);
2958
2959 error = scsipi_command(periph,
2960 (void *)>oc_cmd, sizeof(gtoc_cmd),
2961 (void *)buffer, req_size,
2962 CDRETRIES, 30000, NULL, flags);
2963 if (error)
2964 goto out;
2965
2966 toc_hdr = (struct scsipi_toc_header *) buffer;
2967 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4);
2968
2969 track_start = 0;
2970 track_size = 0;
2971 last_recorded = 0;
2972 next_writable = 0;
2973 flags = 0;
2974
2975 next_track_start = 0;
2976 track_sessionnr = MAXTRACK; /* by definition */
2977 lead_out = 0;
2978
2979 size = req_size - sizeof(struct scsipi_toc_header) + 1;
2980 while (size > 0) {
2981 /* get track start and session end */
2982 tno = rawtoc->tno;
2983 sessionnr = rawtoc->sessionnr;
2984 adr = rawtoc->adrcontrol >> 4;
2985 control = rawtoc->adrcontrol & 0xf;
2986 point = rawtoc->point;
2987 tmin = rawtoc->min;
2988 tsec = rawtoc->sec;
2989 tframe = rawtoc->frame;
2990 pmin = rawtoc->pmin;
2991 psec = rawtoc->psec;
2992 pframe = rawtoc->pframe;
2993
2994 if (tno == 0 && sessionnr && adr == 1) {
2995 lba = hmsf2lba(0, pmin, psec, pframe);
2996 if (point == trackinfo->tracknr) {
2997 track_start = lba;
2998 track_sessionnr = sessionnr;
2999 }
3000 if (point == trackinfo->tracknr + 1) {
3001 /* estimate size */
3002 track_size = lba - track_start;
3003 next_track_start = lba;
3004 }
3005 if (point == 0xa2) {
3006 lead_out = lba;
3007 }
3008 if (point <= 0x63) {
3009 /* CD's ok, DVD are glued */
3010 /* last_tracknr = point; */
3011 }
3012 if (sessionnr == track_sessionnr) {
3013 last_recorded = lead_out;
3014 }
3015 }
3016 if (tno == 0 && sessionnr && adr == 5) {
3017 lba = hmsf2lba(0, tmin, tsec, tframe);
3018 if (sessionnr == track_sessionnr) {
3019 next_writable = lba;
3020 }
3021 }
3022
3023 if ((control & (3<<2)) == 4) /* 01xxb */
3024 flags |= MMC_TRACKINFO_DATA;
3025 if ((control & (1<<2)) == 0) { /* x0xxb */
3026 flags |= MMC_TRACKINFO_AUDIO;
3027 if (control & 1) /* xxx1b */
3028 flags |= MMC_TRACKINFO_PRE_EMPH;
3029 }
3030
3031 rawtoc++;
3032 size -= sizeof(struct scsipi_toc_rawtoc);
3033 }
3034
3035 /* process found values; some voodoo */
3036 /* if no tracksize tracknr is the last of the disc */
3037 if ((track_size == 0) && last_recorded) {
3038 track_size = last_recorded - track_start;
3039 }
3040 /* if last_recorded < tracksize, tracksize is overestimated */
3041 if (last_recorded) {
3042 if (last_recorded - track_start <= track_size) {
3043 track_size = last_recorded - track_start;
3044 flags |= MMC_TRACKINFO_LRA_VALID;
3045 }
3046 }
3047 /* check if its a the last track of the sector */
3048 if (next_writable) {
3049 if (next_track_start > next_writable)
3050 flags |= MMC_TRACKINFO_NWA_VALID;
3051 }
3052
3053 /* no flag set -> no values */
3054 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0)
3055 last_recorded = 0;
3056 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0)
3057 next_writable = 0;
3058
3059 /* fill in */
3060 /* trackinfo->tracknr preserved */
3061 trackinfo->sessionnr = track_sessionnr;
3062 trackinfo->track_mode = 7; /* data, incremental */
3063 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3064
3065 trackinfo->flags = flags;
3066 trackinfo->track_start = track_start;
3067 trackinfo->next_writable = next_writable;
3068 trackinfo->free_blocks = 0;
3069 trackinfo->packet_size = 1;
3070 trackinfo->track_size = track_size;
3071 trackinfo->last_recorded = last_recorded;
3072
3073 out:
3074 free(buffer, M_TEMP);
3075 return error;
3076
3077 }
3078
3079 static int
mmc_gettrackinfo_dvdrom(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)3080 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph,
3081 struct mmc_trackinfo *trackinfo)
3082 {
3083 struct scsipi_read_toc gtoc_cmd;
3084 struct scsipi_toc_header *toc_hdr;
3085 struct scsipi_toc_formatted *toc;
3086 uint32_t tracknr, track_start, track_size;
3087 uint32_t lba, lead_out;
3088 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
3089 uint8_t *buffer;
3090 uint8_t control, last_tracknr;
3091 int size, req_size;
3092 int error, flags;
3093
3094
3095 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
3096 /*
3097 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the
3098 * CD-ROM emulation uses since the specification tells us that no such
3099 * thing is defined for DVD's. The reason for this is due to the large
3100 * number of tracks and that would clash with the `magic' values. This
3101 * suxs.
3102 *
3103 * Not all information is present and this presents a problem.
3104 * Track starts are known for each track but other values are
3105 * deducted.
3106 */
3107
3108 /* get formatted toc to process, first header to check size */
3109 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3110 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
3111 gtoc_cmd.opcode = READ_TOC;
3112 gtoc_cmd.addr_mode = 0; /* lba's please */
3113 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
3114 gtoc_cmd.from_track = 1; /* first track */
3115 req_size = sizeof(*toc_hdr);
3116 _lto2b(req_size, gtoc_cmd.data_len);
3117
3118 error = scsipi_command(periph,
3119 (void *)>oc_cmd, sizeof(gtoc_cmd),
3120 (void *)buffer, req_size,
3121 CDRETRIES, 30000, NULL, flags);
3122 if (error)
3123 goto out;
3124 toc_hdr = (struct scsipi_toc_header *) buffer;
3125 if (_2btol(toc_hdr->length) > buffer_size - 2) {
3126 #ifdef DIAGNOSTIC
3127 printf("increase buffersize in mmc_readtrackinfo_dvdrom\n");
3128 #endif
3129 error = ENOBUFS;
3130 goto out;
3131 }
3132
3133 /* read in complete formatted toc */
3134 req_size = _2btol(toc_hdr->length);
3135 _lto2b(req_size, gtoc_cmd.data_len);
3136
3137 error = scsipi_command(periph,
3138 (void *)>oc_cmd, sizeof(gtoc_cmd),
3139 (void *)buffer, req_size,
3140 CDRETRIES, 30000, NULL, flags);
3141 if (error)
3142 goto out;
3143
3144 toc_hdr = (struct scsipi_toc_header *) buffer;
3145 toc = (struct scsipi_toc_formatted *) (buffer + 4);
3146
3147 /* as in read disc info, all sessions are converted to tracks */
3148 /* track 1.. -> offsets, sizes can be (roughly) estimated (16 ECC) */
3149 /* last track -> we got the size from the lead-out */
3150
3151 tracknr = 0;
3152 last_tracknr = toc_hdr->last;
3153 track_start = 0;
3154 track_size = 0;
3155 lead_out = 0;
3156 flags = 0;
3157
3158 size = req_size - sizeof(struct scsipi_toc_header) + 1;
3159 while (size > 0) {
3160 /* remember, DVD-ROM: tracknr == sessionnr */
3161 lba = _4btol(toc->msf_lba);
3162 tracknr = toc->tracknr;
3163 control = toc->adrcontrol & 0xf;
3164
3165 if (trackinfo->tracknr == tracknr) {
3166 track_start = lba;
3167 }
3168 if (trackinfo->tracknr == tracknr+1) {
3169 track_size = lba - track_start;
3170 track_size -= 16; /* link block ? */
3171 }
3172 if (tracknr == 0xAA) {
3173 lead_out = lba;
3174 }
3175
3176 if ((control & (3<<2)) == 4) /* 01xxb */
3177 flags |= MMC_TRACKINFO_DATA;
3178 if ((control & (1<<2)) == 0) { /* x0xxb */
3179 flags |= MMC_TRACKINFO_AUDIO;
3180 if (control & (1<<3)) /* 10xxb */
3181 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3182 if (control & 1) /* xxx1b */
3183 flags |= MMC_TRACKINFO_PRE_EMPH;
3184 }
3185
3186 toc++;
3187 size -= sizeof(struct scsipi_toc_formatted);
3188 }
3189 if (trackinfo->tracknr == last_tracknr) {
3190 track_size = lead_out - track_start;
3191 }
3192
3193 /* fill in */
3194 /* trackinfo->tracknr preserved */
3195 trackinfo->sessionnr = trackinfo->tracknr;
3196 trackinfo->track_mode = 0; /* unknown */
3197 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3198
3199 trackinfo->flags = flags;
3200 trackinfo->track_start = track_start;
3201 trackinfo->next_writable = 0;
3202 trackinfo->free_blocks = 0;
3203 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */
3204 trackinfo->track_size = track_size;
3205 trackinfo->last_recorded = 0;
3206
3207 out:
3208 free(buffer, M_TEMP);
3209 return error;
3210 }
3211
3212 static int
mmc_gettrackinfo(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)3213 mmc_gettrackinfo(struct scsipi_periph *periph,
3214 struct mmc_trackinfo *trackinfo)
3215 {
3216 struct scsipi_read_trackinfo ti_cmd;
3217 struct scsipi_read_trackinfo_data ti __aligned(2);
3218 struct scsipi_get_configuration gc_cmd;
3219 struct scsipi_get_conf_data gc __aligned(2);
3220 int error, flags;
3221 int mmc_profile;
3222
3223 /* set up SCSI call with track number from trackinfo.tracknr */
3224 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3225 memset(&ti_cmd, 0, sizeof(ti_cmd));
3226 ti_cmd.opcode = READ_TRACKINFO;
3227 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK;
3228 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE;
3229
3230 /* trackinfo.tracknr contains number of tracks to query */
3231 _lto4b(trackinfo->tracknr, ti_cmd.address);
3232 error = scsipi_command(periph,
3233 (void *)&ti_cmd, sizeof(ti_cmd),
3234 (void *)&ti, READ_TRACKINFO_RETURNSIZE,
3235 CDRETRIES, 30000, NULL, flags);
3236
3237 if (error) {
3238 /* trackinfo call failed, emulate for cd-rom/dvd-rom */
3239 /* first determine mmc profile */
3240 flags = XS_CTL_DATA_IN;
3241 memset(&gc_cmd, 0, sizeof(gc_cmd));
3242 gc_cmd.opcode = GET_CONFIGURATION;
3243 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
3244
3245 error = scsipi_command(periph,
3246 (void *)&gc_cmd, sizeof(gc_cmd),
3247 (void *)&gc, GET_CONF_NO_FEATURES_LEN,
3248 CDRETRIES, 30000, NULL, flags);
3249 if (error)
3250 return error;
3251 mmc_profile = _2btol(gc.mmc_profile);
3252
3253 /* choose emulation */
3254 if (mmc_profile == 0x08) /* CD-ROM */
3255 return mmc_gettrackinfo_cdrom(periph, trackinfo);
3256 if (mmc_profile == 0x10) /* DVD-ROM */
3257 return mmc_gettrackinfo_dvdrom(periph, trackinfo);
3258 /* CD/DVD drive is violating specs */
3259 return EIO;
3260 }
3261
3262 /* (re)initialise structure */
3263 memset(trackinfo, 0, sizeof(struct mmc_trackinfo));
3264
3265 /* account for short returns screwing up track and session msb */
3266 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) {
3267 ti.track_msb = 0;
3268 ti.session_msb = 0;
3269 }
3270
3271 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8);
3272 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8);
3273 trackinfo->track_mode = ti.track_info_1 & 0xf;
3274 trackinfo->data_mode = ti.track_info_2 & 0xf;
3275
3276 flags = 0;
3277 if (ti.track_info_1 & 0x10)
3278 flags |= MMC_TRACKINFO_COPY;
3279 if (ti.track_info_1 & 0x20)
3280 flags |= MMC_TRACKINFO_DAMAGED;
3281 if (ti.track_info_2 & 0x10)
3282 flags |= MMC_TRACKINFO_FIXED_PACKET;
3283 if (ti.track_info_2 & 0x20)
3284 flags |= MMC_TRACKINFO_INCREMENTAL;
3285 if (ti.track_info_2 & 0x40)
3286 flags |= MMC_TRACKINFO_BLANK;
3287 if (ti.track_info_2 & 0x80)
3288 flags |= MMC_TRACKINFO_RESERVED;
3289 if (ti.data_valid & 0x01)
3290 flags |= MMC_TRACKINFO_NWA_VALID;
3291 if (ti.data_valid & 0x02)
3292 flags |= MMC_TRACKINFO_LRA_VALID;
3293 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */
3294 flags |= MMC_TRACKINFO_DATA;
3295 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */
3296 flags |= MMC_TRACKINFO_AUDIO;
3297 if (trackinfo->track_mode & (1<<3)) /* 10xxb */
3298 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3299 if (trackinfo->track_mode & 1) /* xxx1b */
3300 flags |= MMC_TRACKINFO_PRE_EMPH;
3301 }
3302
3303 trackinfo->flags = flags;
3304 trackinfo->track_start = _4btol(ti.track_start);
3305 trackinfo->next_writable = _4btol(ti.next_writable);
3306 trackinfo->free_blocks = _4btol(ti.free_blocks);
3307 trackinfo->packet_size = _4btol(ti.packet_size);
3308 trackinfo->track_size = _4btol(ti.track_size);
3309 trackinfo->last_recorded = _4btol(ti.last_recorded);
3310
3311 return 0;
3312 }
3313
3314 static int
mmc_doclose(struct scsipi_periph * periph,int param,int func)3315 mmc_doclose(struct scsipi_periph *periph, int param, int func) {
3316 struct scsipi_close_tracksession close_cmd;
3317 int error, flags;
3318
3319 /* set up SCSI call with track number */
3320 flags = XS_CTL_DATA_OUT;
3321 memset(&close_cmd, 0, sizeof(close_cmd));
3322 close_cmd.opcode = CLOSE_TRACKSESSION;
3323 close_cmd.function = func;
3324 _lto2b(param, close_cmd.tracksessionnr);
3325
3326 error = scsipi_command(periph,
3327 (void *) &close_cmd, sizeof(close_cmd),
3328 NULL, 0,
3329 CDRETRIES, 120000, NULL, flags);
3330
3331 return error;
3332 }
3333
3334 static int
mmc_do_closetrack(struct scsipi_periph * periph,struct mmc_op * mmc_op)3335 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3336 {
3337 int mmc_profile = mmc_op->mmc_profile;
3338
3339 switch (mmc_profile) {
3340 case 0x12 : /* DVD-RAM */
3341 case 0x1a : /* DVD+RW */
3342 case 0x2a : /* DVD+RW Dual layer */
3343 case 0x42 : /* BD-R Random Recording (RRM) */
3344 case 0x43 : /* BD-RE */
3345 case 0x52 : /* HD DVD-RW ; DVD-RAM like */
3346 return EINVAL;
3347 }
3348
3349 return mmc_doclose(periph, mmc_op->tracknr, 1);
3350 }
3351
3352 static int
mmc_do_close_or_finalise(struct scsipi_periph * periph,struct mmc_op * mmc_op)3353 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3354 {
3355 uint8_t blob[MS5LEN], *page5;
3356 int mmc_profile = mmc_op->mmc_profile;
3357 int func, close, flags;
3358 int error;
3359
3360 close = (mmc_op->operation == MMC_OP_CLOSESESSION);
3361
3362 switch (mmc_profile) {
3363 case 0x09 : /* CD-R */
3364 case 0x0a : /* CD-RW */
3365 /* Special case : need to update MS field in mode page 5 */
3366 memset(blob, 0, sizeof(blob));
3367 page5 = blob+8;
3368
3369 flags = XS_CTL_DATA_IN;
3370 error = scsipi_mode_sense_big(periph, SMS_PF, 5,
3371 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3372 if (error)
3373 return error;
3374
3375 /* set multi session field when closing a session only */
3376 page5[3] &= 63;
3377 if (close)
3378 page5[3] |= 3 << 6;
3379
3380 flags = XS_CTL_DATA_OUT;
3381 error = scsipi_mode_select_big(periph, SMS_PF,
3382 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3383 if (error)
3384 return error;
3385 /* and use function 2 */
3386 func = 2;
3387 break;
3388 case 0x11 : /* DVD-R (DL) */
3389 case 0x13 : /* DVD-RW restricted overwrite */
3390 case 0x14 : /* DVD-RW sequential */
3391 func = close ? 2 : 3;
3392 break;
3393 case 0x1b : /* DVD+R */
3394 case 0x2b : /* DVD+R Dual layer */
3395 case 0x51 : /* HD DVD-R */
3396 case 0x41 : /* BD-R Sequential recording (SRM) */
3397 func = close ? 2 : 6;
3398 break;
3399 case 0x12 : /* DVD-RAM */
3400 case 0x1a : /* DVD+RW */
3401 case 0x2a : /* DVD+RW Dual layer */
3402 case 0x42 : /* BD-R Random Recording (RRM) */
3403 case 0x43 : /* BD-RE */
3404 case 0x52 : /* HD DVD-RW; DVD-RAM like */
3405 return EINVAL;
3406 default:
3407 printf("MMC close/finalise passed wrong device type! (%d)\n",
3408 mmc_profile);
3409 return EINVAL;
3410 }
3411
3412 return mmc_doclose(periph, mmc_op->sessionnr, func);
3413 }
3414
3415 static int
mmc_do_reserve_track(struct scsipi_periph * periph,struct mmc_op * mmc_op)3416 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3417 {
3418 struct scsipi_reserve_track reserve_cmd;
3419 uint32_t extent;
3420 int error, flags;
3421
3422 /* TODO make mmc safeguards? */
3423 extent = mmc_op->extent;
3424 /* TODO min/max support? */
3425
3426 /* set up SCSI call with requested space */
3427 flags = XS_CTL_DATA_OUT;
3428 memset(&reserve_cmd, 0, sizeof(reserve_cmd));
3429 reserve_cmd.opcode = RESERVE_TRACK;
3430 _lto4b(extent, reserve_cmd.reservation_size);
3431
3432 error = scsipi_command(periph,
3433 (void *) &reserve_cmd, sizeof(reserve_cmd),
3434 NULL, 0,
3435 CDRETRIES, 30000, NULL, flags);
3436
3437 return error;
3438 }
3439
3440 static int
mmc_do_reserve_track_nwa(struct scsipi_periph * periph,struct mmc_op * mmc_op)3441 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3442 {
3443 /* XXX assumes that NWA given is valid */
3444 switch (mmc_op->mmc_profile) {
3445 case 0x09 : /* CD-R */
3446 /* XXX unknown boundary checks XXX */
3447 if (mmc_op->extent <= 152)
3448 return EINVAL;
3449 /* CD-R takes 152 sectors to close track */
3450 mmc_op->extent -= 152;
3451 return mmc_do_reserve_track(periph, mmc_op);
3452 case 0x11 : /* DVD-R (DL) */
3453 case 0x1b : /* DVD+R */
3454 case 0x2b : /* DVD+R Dual layer */
3455 if (mmc_op->extent % 16)
3456 return EINVAL;
3457 /* upto one ECC block of 16 sectors lost */
3458 mmc_op->extent -= 16;
3459 return mmc_do_reserve_track(periph, mmc_op);
3460 case 0x41 : /* BD-R Sequential recording (SRM) */
3461 case 0x51 : /* HD DVD-R */
3462 if (mmc_op->extent % 32)
3463 return EINVAL;
3464 /* one ECC block of 32 sectors lost (AFAIK) */
3465 mmc_op->extent -= 32;
3466 return mmc_do_reserve_track(periph, mmc_op);
3467 }
3468
3469 /* unknown behaviour or invalid disc type */
3470 return EINVAL;
3471 }
3472
3473 static int
mmc_do_repair_track(struct scsipi_periph * periph,struct mmc_op * mmc_op)3474 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3475 {
3476 struct scsipi_repair_track repair_cmd;
3477 int error, flags;
3478
3479 /* TODO make mmc safeguards? */
3480
3481 /* set up SCSI call with track number */
3482 flags = XS_CTL_DATA_OUT;
3483 memset(&repair_cmd, 0, sizeof(repair_cmd));
3484 repair_cmd.opcode = REPAIR_TRACK;
3485 _lto2b(mmc_op->tracknr, repair_cmd.tracknr);
3486
3487 error = scsipi_command(periph,
3488 (void *) &repair_cmd, sizeof(repair_cmd),
3489 NULL, 0,
3490 CDRETRIES, 30000, NULL, flags);
3491
3492 return error;
3493 }
3494
3495 static int
mmc_do_op(struct scsipi_periph * periph,struct mmc_op * mmc_op)3496 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3497 {
3498 /* guard operation value */
3499 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX)
3500 return EINVAL;
3501
3502 /* synchronise cache is special since it doesn't rely on mmc_profile */
3503 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE)
3504 return cdcachesync(periph, 0);
3505
3506 /* zero mmc_profile means unknown disc so operations are not defined */
3507 if (mmc_op->mmc_profile == 0) {
3508 #ifdef DEBUG
3509 printf("mmc_do_op called with mmc_profile = 0\n");
3510 #endif
3511 return EINVAL;
3512 }
3513
3514 /* do the operations */
3515 switch (mmc_op->operation) {
3516 case MMC_OP_CLOSETRACK :
3517 return mmc_do_closetrack(periph, mmc_op);
3518 case MMC_OP_CLOSESESSION :
3519 case MMC_OP_FINALISEDISC :
3520 return mmc_do_close_or_finalise(periph, mmc_op);
3521 case MMC_OP_RESERVETRACK :
3522 return mmc_do_reserve_track(periph, mmc_op);
3523 case MMC_OP_RESERVETRACK_NWA :
3524 return mmc_do_reserve_track_nwa(periph, mmc_op);
3525 case MMC_OP_REPAIRTRACK :
3526 return mmc_do_repair_track(periph, mmc_op);
3527 case MMC_OP_UNCLOSELASTSESSION :
3528 /* TODO unclose last session support */
3529 return EINVAL;
3530 default :
3531 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation);
3532 }
3533
3534 return EINVAL;
3535 }
3536
3537 static int
mmc_setup_writeparams(struct scsipi_periph * periph,struct mmc_writeparams * mmc_writeparams)3538 mmc_setup_writeparams(struct scsipi_periph *periph,
3539 struct mmc_writeparams *mmc_writeparams)
3540 {
3541 struct mmc_trackinfo trackinfo;
3542 uint8_t blob[MS5LEN];
3543 uint8_t *page5;
3544 int flags, error;
3545 int track_mode, data_mode;
3546
3547 /* setup mode page 5 for CD only */
3548 if (mmc_writeparams->mmc_class != MMC_CLASS_CD)
3549 return 0;
3550
3551 memset(blob, 0, sizeof(blob));
3552 page5 = blob+8;
3553
3554 /* read mode page 5 (with header) */
3555 flags = XS_CTL_DATA_IN;
3556 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob,
3557 sizeof(blob), flags, CDRETRIES, 20000);
3558 if (error)
3559 return error;
3560
3561 /* set page length for reassurance */
3562 page5[1] = P5LEN; /* page length */
3563
3564 /* write type packet/incremental */
3565 page5[2] &= 0xf0;
3566
3567 /* set specified mode parameters */
3568 track_mode = mmc_writeparams->track_mode;
3569 data_mode = mmc_writeparams->data_mode;
3570 if (track_mode <= 0 || track_mode > 15)
3571 return EINVAL;
3572 if (data_mode < 1 || data_mode > 2)
3573 return EINVAL;
3574
3575 /* if a tracknr is passed, setup according to the track */
3576 if (mmc_writeparams->tracknr > 0) {
3577 trackinfo.tracknr = mmc_writeparams->tracknr;
3578 error = mmc_gettrackinfo(periph, &trackinfo);
3579 if (error)
3580 return error;
3581 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) {
3582 track_mode = trackinfo.track_mode;
3583 data_mode = trackinfo.data_mode;
3584 }
3585 mmc_writeparams->blockingnr = trackinfo.packet_size;
3586 }
3587
3588 /* copy track mode and data mode from trackinfo */
3589 page5[3] &= 16; /* keep only `Copy' bit */
3590 page5[3] |= (3 << 6) | track_mode;
3591 page5[4] &= 0xf0; /* wipe data block type */
3592 if (data_mode == 1) {
3593 /* select ISO mode 1 (CD only) */
3594 page5[4] |= 8;
3595 /* select session format normal disc (CD only) */
3596 page5[8] = 0;
3597 } else {
3598 /* select ISO mode 2; XA form 1 (CD only) */
3599 page5[4] |= 10;
3600 /* select session format CD-ROM XA disc (CD only) */
3601 page5[8] = 0x20;
3602 }
3603 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) {
3604 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) {
3605 /* set BUFE buffer underrun protection */
3606 page5[2] |= 1<<6;
3607 }
3608 /* allow for multi session */
3609 page5[3] |= 3 << 6;
3610 } else {
3611 /* select fixed packets */
3612 page5[3] |= 1<<5;
3613 _lto4b(mmc_writeparams->blockingnr, &(page5[10]));
3614 }
3615
3616 /* write out updated mode page 5 (with header) */
3617 flags = XS_CTL_DATA_OUT;
3618 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob,
3619 sizeof(blob), flags, CDRETRIES, 20000);
3620 if (error)
3621 return error;
3622
3623 return 0;
3624 }
3625
3626 static void
cd_set_geometry(struct cd_softc * cd)3627 cd_set_geometry(struct cd_softc *cd)
3628 {
3629 struct dk_softc *dksc = &cd->sc_dksc;
3630 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom;
3631
3632 memset(dg, 0, sizeof(*dg));
3633
3634 dg->dg_secperunit = cd->params.disksize;
3635 dg->dg_secsize = cd->params.blksize;
3636 dg->dg_nsectors = 100;
3637 dg->dg_ntracks = 1;
3638
3639 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL);
3640 }
3641