1 /* $NetBSD: cd.c,v 1.354 2022/06/26 21:00:28 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 1.354 2022/06/26 21:00:28 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 /* recordables have READ_DISCINFO implemented */
1549 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
1550 memset(&di_cmd, 0, sizeof(di_cmd));
1551 di_cmd.opcode = READ_DISCINFO;
1552 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len);
1553
1554 error = scsipi_command(periph,
1555 (void *) &di_cmd, sizeof(di_cmd),
1556 (void *) &di, READ_DISCINFO_BIGSIZE,
1557 CDRETRIES, 30000, NULL, flags);
1558 if (error == 0) {
1559 msb = di.last_track_last_session_msb;
1560 lsb = di.last_track_last_session_lsb;
1561 last_track = (msb << 8) | lsb;
1562
1563 /* request info on last track */
1564 memset(&ti_cmd, 0, sizeof(ti_cmd));
1565 ti_cmd.opcode = READ_TRACKINFO;
1566 ti_cmd.addr_type = 1; /* on tracknr */
1567 _lto4b(last_track, ti_cmd.address); /* tracknr */
1568 _lto2b(sizeof(ti), ti_cmd.data_len);
1569
1570 error = scsipi_command(periph,
1571 (void *) &ti_cmd, sizeof(ti_cmd),
1572 (void *) &ti, sizeof(ti),
1573 CDRETRIES, 30000, NULL, flags);
1574 if (error == 0) {
1575 track_start = _4btol(ti.track_start);
1576 track_size = _4btol(ti.track_size);
1577
1578 /* overwrite only with a sane value */
1579 if (track_start + track_size >= 100)
1580 *last_lba = (u_long) track_start + track_size -1;
1581 }
1582 }
1583
1584 /* sanity check for lba_size */
1585 if (*last_lba < 100)
1586 *last_lba = 400000-1;
1587
1588 return 0;
1589 }
1590
1591 /*
1592 * Find out from the device what its capacity is
1593 */
1594 static u_long
cd_size(struct cd_softc * cd,int flags)1595 cd_size(struct cd_softc *cd, int flags)
1596 {
1597 uint32_t blksize = 2048;
1598 u_long last_lba = 0, size;
1599 int error;
1600
1601 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba);
1602 if (error)
1603 goto error;
1604
1605 if (blksize != 2048) {
1606 if (cd_setblksize(cd) == 0) {
1607 blksize = 2048;
1608 error = read_cd_capacity(cd->sc_periph,
1609 &blksize, &last_lba);
1610 if (error)
1611 goto error;
1612 }
1613 }
1614
1615 size = last_lba + 1;
1616 cd->params.blksize = blksize;
1617 cd->params.disksize = size;
1618 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE;
1619
1620 SC_DEBUG(cd->sc_periph, SCSIPI_DB2,
1621 ("cd_size: %u %lu\n", blksize, size));
1622
1623 return size;
1624
1625 error:
1626 /* something went wrong */
1627 cd->params.blksize = 2048;
1628 cd->params.disksize = 0;
1629 cd->params.disksize512 = 0;
1630
1631 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n"));
1632
1633 return 0;
1634 }
1635
1636 /*
1637 * Get scsi driver to send a "start playing" command
1638 */
1639 static int
cd_play(struct cd_softc * cd,int blkno,int nblks)1640 cd_play(struct cd_softc *cd, int blkno, int nblks)
1641 {
1642 struct scsipi_play cmd;
1643
1644 memset(&cmd, 0, sizeof(cmd));
1645 cmd.opcode = PLAY;
1646 _lto4b(blkno, cmd.blk_addr);
1647 _lto2b(nblks, cmd.xfer_len);
1648
1649 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1650 CDRETRIES, 30000, NULL, 0));
1651 }
1652
1653 /*
1654 * Get scsi driver to send a "start playing" command
1655 */
1656 static int
cd_play_tracks(struct cd_softc * cd,struct cd_formatted_toc * toc,int strack,int sindex,int etrack,int eindex)1657 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack,
1658 int sindex, int etrack, int eindex)
1659 {
1660 int error;
1661
1662 if (!etrack)
1663 return (EIO);
1664 if (strack > etrack)
1665 return (EINVAL);
1666
1667 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0);
1668 if (error)
1669 return (error);
1670
1671 if (++etrack > (toc->header.ending_track+1))
1672 etrack = toc->header.ending_track+1;
1673
1674 strack -= toc->header.starting_track;
1675 etrack -= toc->header.starting_track;
1676 if (strack < 0)
1677 return (EINVAL);
1678
1679 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute,
1680 toc->entries[strack].addr.msf.second,
1681 toc->entries[strack].addr.msf.frame,
1682 toc->entries[etrack].addr.msf.minute,
1683 toc->entries[etrack].addr.msf.second,
1684 toc->entries[etrack].addr.msf.frame));
1685 }
1686
1687 /*
1688 * Get scsi driver to send a "play msf" command
1689 */
1690 static int
cd_play_msf(struct cd_softc * cd,int startm,int starts,int startf,int endm,int ends,int endf)1691 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm,
1692 int ends, int endf)
1693 {
1694 struct scsipi_play_msf cmd;
1695
1696 memset(&cmd, 0, sizeof(cmd));
1697 cmd.opcode = PLAY_MSF;
1698 cmd.start_m = startm;
1699 cmd.start_s = starts;
1700 cmd.start_f = startf;
1701 cmd.end_m = endm;
1702 cmd.end_s = ends;
1703 cmd.end_f = endf;
1704
1705 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1706 CDRETRIES, 30000, NULL, 0));
1707 }
1708
1709 /*
1710 * Get scsi driver to send a "start up" command
1711 */
1712 static int
cd_pause(struct cd_softc * cd,int go)1713 cd_pause(struct cd_softc *cd, int go)
1714 {
1715 struct scsipi_pause cmd;
1716
1717 memset(&cmd, 0, sizeof(cmd));
1718 cmd.opcode = PAUSE;
1719 cmd.resume = go & 0xff;
1720
1721 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
1722 CDRETRIES, 30000, NULL, 0));
1723 }
1724
1725 /*
1726 * Get scsi driver to send a "RESET" command
1727 */
1728 static int
cd_reset(struct cd_softc * cd)1729 cd_reset(struct cd_softc *cd)
1730 {
1731
1732 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0,
1733 CDRETRIES, 30000, NULL, XS_CTL_RESET));
1734 }
1735
1736 /*
1737 * Read subchannel
1738 */
1739 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)1740 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track,
1741 struct cd_sub_channel_info *data, int len, int flags)
1742 {
1743 struct scsipi_read_subchannel cmd;
1744
1745 memset(&cmd, 0, sizeof(cmd));
1746 cmd.opcode = READ_SUBCHANNEL;
1747 if (mode == CD_MSF_FORMAT)
1748 cmd.byte2 |= CD_MSF;
1749 cmd.byte3 = SRS_SUBQ;
1750 cmd.subchan_format = format;
1751 cmd.track = track;
1752 _lto2b(len, cmd.data_len);
1753
1754 return (scsipi_command(cd->sc_periph,
1755 (void *)&cmd, sizeof(struct scsipi_read_subchannel),
1756 (void *)data, len,
1757 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT));
1758 }
1759
1760 /*
1761 * Read table of contents
1762 */
1763 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)1764 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start,
1765 struct cd_formatted_toc *toc, int len, int flags, int control)
1766 {
1767 struct scsipi_read_toc cmd;
1768 int ntoc;
1769
1770 memset(&cmd, 0, sizeof(cmd));
1771 #if 0
1772 if (len != sizeof(struct ioc_toc_header))
1773 ntoc = ((len) - sizeof(struct ioc_toc_header)) /
1774 sizeof(struct cd_toc_entry);
1775 else
1776 #endif
1777 ntoc = len;
1778 cmd.opcode = READ_TOC;
1779 if (mode == CD_MSF_FORMAT)
1780 cmd.addr_mode |= CD_MSF;
1781 cmd.resp_format = respf;
1782 cmd.from_track = start;
1783 _lto2b(ntoc, cmd.data_len);
1784 cmd.control = control;
1785
1786 return (scsipi_command(cd->sc_periph,
1787 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES,
1788 30000, NULL, flags | XS_CTL_DATA_IN));
1789 }
1790
1791 static int
cd_load_toc(struct cd_softc * cd,int respf,struct cd_formatted_toc * toc,int flags)1792 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags)
1793 {
1794 int ntracks, len, error;
1795
1796 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header),
1797 flags, 0)) != 0)
1798 return (error);
1799
1800 ntracks = toc->header.ending_track - toc->header.starting_track + 1;
1801 len = (ntracks + 1) * sizeof(struct cd_toc_entry) +
1802 sizeof(toc->header);
1803 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len,
1804 flags, 0)) != 0)
1805 return (error);
1806 return (0);
1807 }
1808
1809 /*
1810 * Get the scsi driver to send a full inquiry to the device and use the
1811 * results to fill out the disk parameter structure.
1812 */
1813 static int
cd_get_parms(struct cd_softc * cd,int flags)1814 cd_get_parms(struct cd_softc *cd, int flags)
1815 {
1816
1817 /*
1818 * give a number of sectors so that sec * trks * cyls
1819 * is <= disk_size
1820 */
1821 if (cd_size(cd, flags) == 0)
1822 return (ENXIO);
1823 return (0);
1824 }
1825
1826 static int
cdsize(dev_t dev)1827 cdsize(dev_t dev)
1828 {
1829
1830 /* CD-ROMs are read-only. */
1831 return (-1);
1832 }
1833
1834 static int
cddump(dev_t dev,daddr_t blkno,void * va,size_t size)1835 cddump(dev_t dev, daddr_t blkno, void *va, size_t size)
1836 {
1837
1838 /* Not implemented. */
1839 return (ENXIO);
1840 }
1841
1842 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key))
1843 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge))
1844
1845 static int
dvd_auth(struct cd_softc * cd,dvd_authinfo * a)1846 dvd_auth(struct cd_softc *cd, dvd_authinfo *a)
1847 {
1848 struct scsipi_generic cmd;
1849 u_int8_t bf[20];
1850 int error;
1851
1852 memset(cmd.bytes, 0, 15);
1853 memset(bf, 0, sizeof(bf));
1854
1855 switch (a->type) {
1856 case DVD_LU_SEND_AGID:
1857 cmd.opcode = GPCMD_REPORT_KEY;
1858 cmd.bytes[8] = 8;
1859 cmd.bytes[9] = 0 | (0 << 6);
1860 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1861 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1862 if (error)
1863 return (error);
1864 a->lsa.agid = bf[7] >> 6;
1865 return (0);
1866
1867 case DVD_LU_SEND_CHALLENGE:
1868 cmd.opcode = GPCMD_REPORT_KEY;
1869 cmd.bytes[8] = 16;
1870 cmd.bytes[9] = 1 | (a->lsc.agid << 6);
1871 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1872 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1873 if (error)
1874 return (error);
1875 dvd_copy_challenge(a->lsc.chal, &bf[4]);
1876 return (0);
1877
1878 case DVD_LU_SEND_KEY1:
1879 cmd.opcode = GPCMD_REPORT_KEY;
1880 cmd.bytes[8] = 12;
1881 cmd.bytes[9] = 2 | (a->lsk.agid << 6);
1882 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1883 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1884 if (error)
1885 return (error);
1886 dvd_copy_key(a->lsk.key, &bf[4]);
1887 return (0);
1888
1889 case DVD_LU_SEND_TITLE_KEY:
1890 cmd.opcode = GPCMD_REPORT_KEY;
1891 _lto4b(a->lstk.lba, &cmd.bytes[1]);
1892 cmd.bytes[8] = 12;
1893 cmd.bytes[9] = 4 | (a->lstk.agid << 6);
1894 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1895 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1896 if (error)
1897 return (error);
1898 a->lstk.cpm = (bf[4] >> 7) & 1;
1899 a->lstk.cp_sec = (bf[4] >> 6) & 1;
1900 a->lstk.cgms = (bf[4] >> 4) & 3;
1901 dvd_copy_key(a->lstk.title_key, &bf[5]);
1902 return (0);
1903
1904 case DVD_LU_SEND_ASF:
1905 cmd.opcode = GPCMD_REPORT_KEY;
1906 cmd.bytes[8] = 8;
1907 cmd.bytes[9] = 5 | (a->lsasf.agid << 6);
1908 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1909 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1910 if (error)
1911 return (error);
1912 a->lsasf.asf = bf[7] & 1;
1913 return (0);
1914
1915 case DVD_HOST_SEND_CHALLENGE:
1916 cmd.opcode = GPCMD_SEND_KEY;
1917 cmd.bytes[8] = 16;
1918 cmd.bytes[9] = 1 | (a->hsc.agid << 6);
1919 bf[1] = 14;
1920 dvd_copy_challenge(&bf[4], a->hsc.chal);
1921 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1922 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1923 if (error)
1924 return (error);
1925 a->type = DVD_LU_SEND_KEY1;
1926 return (0);
1927
1928 case DVD_HOST_SEND_KEY2:
1929 cmd.opcode = GPCMD_SEND_KEY;
1930 cmd.bytes[8] = 12;
1931 cmd.bytes[9] = 3 | (a->hsk.agid << 6);
1932 bf[1] = 10;
1933 dvd_copy_key(&bf[4], a->hsk.key);
1934 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12,
1935 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1936 if (error) {
1937 a->type = DVD_AUTH_FAILURE;
1938 return (error);
1939 }
1940 a->type = DVD_AUTH_ESTABLISHED;
1941 return (0);
1942
1943 case DVD_INVALIDATE_AGID:
1944 cmd.opcode = GPCMD_REPORT_KEY;
1945 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6);
1946 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16,
1947 CDRETRIES, 30000, NULL, 0);
1948 if (error)
1949 return (error);
1950 return (0);
1951
1952 case DVD_LU_SEND_RPC_STATE:
1953 cmd.opcode = GPCMD_REPORT_KEY;
1954 cmd.bytes[8] = 8;
1955 cmd.bytes[9] = 8 | (0 << 6);
1956 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1957 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
1958 if (error)
1959 return (error);
1960 a->lrpcs.type = (bf[4] >> 6) & 3;
1961 a->lrpcs.vra = (bf[4] >> 3) & 7;
1962 a->lrpcs.ucca = (bf[4]) & 7;
1963 a->lrpcs.region_mask = bf[5];
1964 a->lrpcs.rpc_scheme = bf[6];
1965 return (0);
1966
1967 case DVD_HOST_SEND_RPC_STATE:
1968 cmd.opcode = GPCMD_SEND_KEY;
1969 cmd.bytes[8] = 8;
1970 cmd.bytes[9] = 6 | (0 << 6);
1971 bf[1] = 6;
1972 bf[4] = a->hrpcs.pdrc;
1973 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8,
1974 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT);
1975 if (error)
1976 return (error);
1977 return (0);
1978
1979 default:
1980 return (ENOTTY);
1981 }
1982 }
1983
1984 static int
dvd_read_physical(struct cd_softc * cd,dvd_struct * s)1985 dvd_read_physical(struct cd_softc *cd, dvd_struct *s)
1986 {
1987 struct scsipi_generic cmd;
1988 u_int8_t bf[4 + 4 * 20], *bufp;
1989 int error;
1990 struct dvd_layer *layer;
1991 int i;
1992
1993 memset(cmd.bytes, 0, 15);
1994 memset(bf, 0, sizeof(bf));
1995 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
1996 cmd.bytes[6] = s->type;
1997 _lto2b(sizeof(bf), &cmd.bytes[7]);
1998
1999 cmd.bytes[5] = s->physical.layer_num;
2000 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2001 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2002 if (error)
2003 return (error);
2004 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4;
2005 i++, bufp += 20, layer++) {
2006 memset(layer, 0, sizeof(*layer));
2007 layer->book_version = bufp[0] & 0xf;
2008 layer->book_type = bufp[0] >> 4;
2009 layer->min_rate = bufp[1] & 0xf;
2010 layer->disc_size = bufp[1] >> 4;
2011 layer->layer_type = bufp[2] & 0xf;
2012 layer->track_path = (bufp[2] >> 4) & 1;
2013 layer->nlayers = (bufp[2] >> 5) & 3;
2014 layer->track_density = bufp[3] & 0xf;
2015 layer->linear_density = bufp[3] >> 4;
2016 layer->start_sector = _4btol(&bufp[4]);
2017 layer->end_sector = _4btol(&bufp[8]);
2018 layer->end_sector_l0 = _4btol(&bufp[12]);
2019 layer->bca = bufp[16] >> 7;
2020 }
2021 return (0);
2022 }
2023
2024 static int
dvd_read_copyright(struct cd_softc * cd,dvd_struct * s)2025 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s)
2026 {
2027 struct scsipi_generic cmd;
2028 u_int8_t bf[8];
2029 int error;
2030
2031 memset(cmd.bytes, 0, 15);
2032 memset(bf, 0, sizeof(bf));
2033 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2034 cmd.bytes[6] = s->type;
2035 _lto2b(sizeof(bf), &cmd.bytes[7]);
2036
2037 cmd.bytes[5] = s->copyright.layer_num;
2038 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2039 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2040 if (error)
2041 return (error);
2042 s->copyright.cpst = bf[4];
2043 s->copyright.rmi = bf[5];
2044 return (0);
2045 }
2046
2047 static int
dvd_read_disckey(struct cd_softc * cd,dvd_struct * s)2048 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s)
2049 {
2050 struct scsipi_generic cmd;
2051 u_int8_t *bf;
2052 int error;
2053
2054 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2055 if (bf == NULL)
2056 return EIO;
2057 memset(cmd.bytes, 0, 15);
2058 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2059 cmd.bytes[6] = s->type;
2060 _lto2b(4 + 2048, &cmd.bytes[7]);
2061
2062 cmd.bytes[9] = s->disckey.agid << 6;
2063 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2064 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2065 if (error == 0)
2066 memcpy(s->disckey.value, &bf[4], 2048);
2067 free(bf, M_TEMP);
2068 return error;
2069 }
2070
2071 static int
dvd_read_bca(struct cd_softc * cd,dvd_struct * s)2072 dvd_read_bca(struct cd_softc *cd, dvd_struct *s)
2073 {
2074 struct scsipi_generic cmd;
2075 u_int8_t bf[4 + 188];
2076 int error;
2077
2078 memset(cmd.bytes, 0, 15);
2079 memset(bf, 0, sizeof(bf));
2080 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2081 cmd.bytes[6] = s->type;
2082 _lto2b(sizeof(bf), &cmd.bytes[7]);
2083
2084 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf),
2085 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2086 if (error)
2087 return (error);
2088 s->bca.len = _2btol(&bf[0]);
2089 if (s->bca.len < 12 || s->bca.len > 188)
2090 return (EIO);
2091 memcpy(s->bca.value, &bf[4], s->bca.len);
2092 return (0);
2093 }
2094
2095 static int
dvd_read_manufact(struct cd_softc * cd,dvd_struct * s)2096 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s)
2097 {
2098 struct scsipi_generic cmd;
2099 u_int8_t *bf;
2100 int error;
2101
2102 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO);
2103 if (bf == NULL)
2104 return (EIO);
2105 memset(cmd.bytes, 0, 15);
2106 cmd.opcode = GPCMD_READ_DVD_STRUCTURE;
2107 cmd.bytes[6] = s->type;
2108 _lto2b(4 + 2048, &cmd.bytes[7]);
2109
2110 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048,
2111 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN);
2112 if (error == 0) {
2113 s->manufact.len = _2btol(&bf[0]);
2114 if (s->manufact.len >= 0 && s->manufact.len <= 2048)
2115 memcpy(s->manufact.value, &bf[4], s->manufact.len);
2116 else
2117 error = EIO;
2118 }
2119 free(bf, M_TEMP);
2120 return error;
2121 }
2122
2123 static int
dvd_read_struct(struct cd_softc * cd,dvd_struct * s)2124 dvd_read_struct(struct cd_softc *cd, dvd_struct *s)
2125 {
2126
2127 switch (s->type) {
2128 case DVD_STRUCT_PHYSICAL:
2129 return (dvd_read_physical(cd, s));
2130 case DVD_STRUCT_COPYRIGHT:
2131 return (dvd_read_copyright(cd, s));
2132 case DVD_STRUCT_DISCKEY:
2133 return (dvd_read_disckey(cd, s));
2134 case DVD_STRUCT_BCA:
2135 return (dvd_read_bca(cd, s));
2136 case DVD_STRUCT_MANUFACT:
2137 return (dvd_read_manufact(cd, s));
2138 default:
2139 return (EINVAL);
2140 }
2141 }
2142
2143 static int
cd_mode_sense(struct cd_softc * cd,u_int8_t byte2,void * sense,size_t size,int page,int flags,int * big)2144 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2145 int page, int flags, int *big)
2146 {
2147
2148 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) {
2149 *big = 1;
2150 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense,
2151 size + sizeof(struct scsi_mode_parameter_header_10),
2152 flags, CDRETRIES, 20000);
2153 } else {
2154 *big = 0;
2155 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense,
2156 size + sizeof(struct scsi_mode_parameter_header_6),
2157 flags, CDRETRIES, 20000);
2158 }
2159 }
2160
2161 static int
cd_mode_select(struct cd_softc * cd,u_int8_t byte2,void * sense,size_t size,int flags,int big)2162 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size,
2163 int flags, int big)
2164 {
2165
2166 if (big) {
2167 struct scsi_mode_parameter_header_10 *header = sense;
2168
2169 _lto2b(0, header->data_length);
2170 return scsipi_mode_select_big(cd->sc_periph, byte2, sense,
2171 size + sizeof(struct scsi_mode_parameter_header_10),
2172 flags, CDRETRIES, 20000);
2173 } else {
2174 struct scsi_mode_parameter_header_6 *header = sense;
2175
2176 header->data_length = 0;
2177 return scsipi_mode_select(cd->sc_periph, byte2, sense,
2178 size + sizeof(struct scsi_mode_parameter_header_6),
2179 flags, CDRETRIES, 20000);
2180 }
2181 }
2182
2183 static int
cd_set_pa_immed(struct cd_softc * cd,int flags)2184 cd_set_pa_immed(struct cd_softc *cd, int flags)
2185 {
2186 struct {
2187 union {
2188 struct scsi_mode_parameter_header_6 small;
2189 struct scsi_mode_parameter_header_10 big;
2190 } header;
2191 struct cd_audio_page page;
2192 } data;
2193 int error;
2194 uint8_t oflags;
2195 int big, byte2;
2196 struct cd_audio_page *page;
2197
2198 byte2 = SMS_DBD;
2199 try_again:
2200 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2201 AUDIO_PAGE, flags, &big)) != 0) {
2202 if (byte2 == SMS_DBD) {
2203 /* Device may not understand DBD; retry without */
2204 byte2 = 0;
2205 goto try_again;
2206 }
2207 return (error);
2208 }
2209
2210 if (big)
2211 page = (void *)((u_long)&data.header.big +
2212 sizeof data.header.big +
2213 _2btol(data.header.big.blk_desc_len));
2214 else
2215 page = (void *)((u_long)&data.header.small +
2216 sizeof data.header.small +
2217 data.header.small.blk_desc_len);
2218
2219 oflags = page->flags;
2220 page->flags &= ~CD_PA_SOTC;
2221 page->flags |= CD_PA_IMMED;
2222 if (oflags == page->flags)
2223 return (0);
2224
2225 return (cd_mode_select(cd, SMS_PF, &data,
2226 sizeof(struct scsi_mode_page_header) + page->pg_length,
2227 flags, big));
2228 }
2229
2230 static int
cd_setchan(struct cd_softc * cd,int p0,int p1,int p2,int p3,int flags)2231 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags)
2232 {
2233 struct {
2234 union {
2235 struct scsi_mode_parameter_header_6 small;
2236 struct scsi_mode_parameter_header_10 big;
2237 } header;
2238 struct cd_audio_page page;
2239 } data;
2240 int error;
2241 int big, byte2;
2242 struct cd_audio_page *page;
2243
2244 byte2 = SMS_DBD;
2245 try_again:
2246 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2247 AUDIO_PAGE, flags, &big)) != 0) {
2248 if (byte2 == SMS_DBD) {
2249 /* Device may not understand DBD; retry without */
2250 byte2 = 0;
2251 goto try_again;
2252 }
2253 return (error);
2254 }
2255
2256 if (big)
2257 page = (void *)((u_long)&data.header.big +
2258 sizeof data.header.big +
2259 _2btol(data.header.big.blk_desc_len));
2260 else
2261 page = (void *)((u_long)&data.header.small +
2262 sizeof data.header.small +
2263 data.header.small.blk_desc_len);
2264
2265 page->port[0].channels = p0;
2266 page->port[1].channels = p1;
2267 page->port[2].channels = p2;
2268 page->port[3].channels = p3;
2269
2270 return (cd_mode_select(cd, SMS_PF, &data,
2271 sizeof(struct scsi_mode_page_header) + page->pg_length,
2272 flags, big));
2273 }
2274
2275 static int
cd_getvol(struct cd_softc * cd,struct ioc_vol * arg,int flags)2276 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags)
2277 {
2278 struct {
2279 union {
2280 struct scsi_mode_parameter_header_6 small;
2281 struct scsi_mode_parameter_header_10 big;
2282 } header;
2283 struct cd_audio_page page;
2284 } data;
2285 int error;
2286 int big, byte2;
2287 struct cd_audio_page *page;
2288
2289 byte2 = SMS_DBD;
2290 try_again:
2291 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2292 AUDIO_PAGE, flags, &big)) != 0) {
2293 if (byte2 == SMS_DBD) {
2294 /* Device may not understand DBD; retry without */
2295 byte2 = 0;
2296 goto try_again;
2297 }
2298 return (error);
2299 }
2300
2301 if (big)
2302 page = (void *)((u_long)&data.header.big +
2303 sizeof data.header.big +
2304 _2btol(data.header.big.blk_desc_len));
2305 else
2306 page = (void *)((u_long)&data.header.small +
2307 sizeof data.header.small +
2308 data.header.small.blk_desc_len);
2309
2310 arg->vol[0] = page->port[0].volume;
2311 arg->vol[1] = page->port[1].volume;
2312 arg->vol[2] = page->port[2].volume;
2313 arg->vol[3] = page->port[3].volume;
2314
2315 return (0);
2316 }
2317
2318 static int
cd_setvol(struct cd_softc * cd,const struct ioc_vol * arg,int flags)2319 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags)
2320 {
2321 struct {
2322 union {
2323 struct scsi_mode_parameter_header_6 small;
2324 struct scsi_mode_parameter_header_10 big;
2325 } header;
2326 struct cd_audio_page page;
2327 } data, mask;
2328 int error;
2329 int big, byte2;
2330 struct cd_audio_page *page, *page2;
2331
2332 byte2 = SMS_DBD;
2333 try_again:
2334 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page),
2335 AUDIO_PAGE, flags, &big)) != 0) {
2336 if (byte2 == SMS_DBD) {
2337 /* Device may not understand DBD; retry without */
2338 byte2 = 0;
2339 goto try_again;
2340 }
2341 return (error);
2342 }
2343 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page),
2344 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0)
2345 return (error);
2346
2347 if (big) {
2348 page = (void *)((u_long)&data.header.big +
2349 sizeof data.header.big +
2350 _2btol(data.header.big.blk_desc_len));
2351 page2 = (void *)((u_long)&mask.header.big +
2352 sizeof mask.header.big +
2353 _2btol(mask.header.big.blk_desc_len));
2354 } else {
2355 page = (void *)((u_long)&data.header.small +
2356 sizeof data.header.small +
2357 data.header.small.blk_desc_len);
2358 page2 = (void *)((u_long)&mask.header.small +
2359 sizeof mask.header.small +
2360 mask.header.small.blk_desc_len);
2361 }
2362
2363 page->port[0].volume = arg->vol[0] & page2->port[0].volume;
2364 page->port[1].volume = arg->vol[1] & page2->port[1].volume;
2365 page->port[2].volume = arg->vol[2] & page2->port[2].volume;
2366 page->port[3].volume = arg->vol[3] & page2->port[3].volume;
2367
2368 page->port[0].channels = CHANNEL_0;
2369 page->port[1].channels = CHANNEL_1;
2370
2371 return (cd_mode_select(cd, SMS_PF, &data,
2372 sizeof(struct scsi_mode_page_header) + page->pg_length,
2373 flags, big));
2374 }
2375
2376 static int
cd_load_unload(struct cd_softc * cd,struct ioc_load_unload * args)2377 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args)
2378 {
2379 struct scsipi_load_unload cmd;
2380
2381 memset(&cmd, 0, sizeof(cmd));
2382 cmd.opcode = LOAD_UNLOAD;
2383 cmd.options = args->options; /* ioctl uses MMC values */
2384 cmd.slot = args->slot;
2385
2386 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0,
2387 CDRETRIES, 200000, NULL, 0));
2388 }
2389
2390 static int
cd_setblksize(struct cd_softc * cd)2391 cd_setblksize(struct cd_softc *cd)
2392 {
2393 struct {
2394 union {
2395 struct scsi_mode_parameter_header_6 small;
2396 struct scsi_mode_parameter_header_10 big;
2397 } header;
2398 struct scsi_general_block_descriptor blk_desc;
2399 } data;
2400 int error;
2401 int big, bsize;
2402 struct scsi_general_block_descriptor *bdesc;
2403
2404 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0,
2405 &big)) != 0)
2406 return (error);
2407
2408 if (big) {
2409 bdesc = (void *)(&data.header.big + 1);
2410 bsize = _2btol(data.header.big.blk_desc_len);
2411 } else {
2412 bdesc = (void *)(&data.header.small + 1);
2413 bsize = data.header.small.blk_desc_len;
2414 }
2415
2416 if (bsize == 0) {
2417 printf("cd_setblksize: trying to change bsize, but no blk_desc\n");
2418 return (EINVAL);
2419 }
2420 if (_3btol(bdesc->blklen) == 2048) {
2421 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n");
2422 return (EINVAL);
2423 }
2424
2425 _lto3b(2048, bdesc->blklen);
2426
2427 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0,
2428 big));
2429 }
2430
2431
2432 static int
mmc_profile2class(uint16_t mmc_profile)2433 mmc_profile2class(uint16_t mmc_profile)
2434 {
2435 switch (mmc_profile) {
2436 case 0x01 : /* SCSI discs */
2437 case 0x02 :
2438 /* this can't happen really, cd.c wouldn't have matched */
2439 return MMC_CLASS_DISC;
2440 case 0x03 : /* Magneto Optical with sector erase */
2441 case 0x04 : /* Magneto Optical write once */
2442 case 0x05 : /* Advance Storage Magneto Optical */
2443 return MMC_CLASS_MO;
2444 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */
2445 case 0x08 : /* CD-ROM */
2446 case 0x09 : /* CD-R */
2447 case 0x0a : /* CD-RW */
2448 return MMC_CLASS_CD;
2449 case 0x10 : /* DVD-ROM */
2450 case 0x11 : /* DVD-R */
2451 case 0x12 : /* DVD-RAM */
2452 case 0x13 : /* DVD-RW restricted overwrite */
2453 case 0x14 : /* DVD-RW sequential */
2454 case 0x1a : /* DVD+RW */
2455 case 0x1b : /* DVD+R */
2456 case 0x2a : /* DVD+RW Dual layer */
2457 case 0x2b : /* DVD+R Dual layer */
2458 case 0x50 : /* HD DVD-ROM */
2459 case 0x51 : /* HD DVD-R */
2460 case 0x52 : /* HD DVD-RW; DVD-RAM like */
2461 return MMC_CLASS_DVD;
2462 case 0x40 : /* BD-ROM */
2463 case 0x41 : /* BD-R Sequential recording (SRM) */
2464 case 0x42 : /* BD-R Random Recording (RRM) */
2465 case 0x43 : /* BD-RE */
2466 return MMC_CLASS_BD;
2467 }
2468 return MMC_CLASS_UNKN;
2469 }
2470
2471
2472 /*
2473 * Drive/media combination is reflected in a series of features that can
2474 * either be current or dormant. We try to make sense out of them to create a
2475 * set of easy to use flags that abstract the device/media capabilities.
2476 */
2477
2478 static void
mmc_process_feature(struct mmc_discinfo * mmc_discinfo,uint16_t feature,int cur,uint8_t * rpos)2479 mmc_process_feature(struct mmc_discinfo *mmc_discinfo,
2480 uint16_t feature, int cur, uint8_t *rpos)
2481 {
2482 uint32_t blockingnr;
2483 uint64_t flags;
2484
2485 if (cur == 1) {
2486 flags = mmc_discinfo->mmc_cur;
2487 } else {
2488 flags = mmc_discinfo->mmc_cap;
2489 }
2490
2491 switch (feature) {
2492 case 0x0010 : /* random readable feature */
2493 blockingnr = rpos[5] | (rpos[4] << 8);
2494 if (blockingnr > 1)
2495 flags |= MMC_CAP_PACKET;
2496
2497 /* RW error page */
2498 break;
2499 case 0x0020 : /* random writable feature */
2500 flags |= MMC_CAP_RECORDABLE;
2501 flags |= MMC_CAP_REWRITABLE;
2502 blockingnr = rpos[9] | (rpos[8] << 8);
2503 if (blockingnr > 1)
2504 flags |= MMC_CAP_PACKET;
2505 break;
2506 case 0x0021 : /* incremental streaming write feature */
2507 flags |= MMC_CAP_RECORDABLE;
2508 flags |= MMC_CAP_SEQUENTIAL;
2509 if (cur)
2510 mmc_discinfo->link_block_penalty = rpos[4];
2511 if (rpos[2] & 1)
2512 flags |= MMC_CAP_ZEROLINKBLK;
2513 break;
2514 case 0x0022 : /* (obsolete) erase support feature */
2515 flags |= MMC_CAP_RECORDABLE;
2516 flags |= MMC_CAP_ERASABLE;
2517 break;
2518 case 0x0023 : /* formatting media support feature */
2519 flags |= MMC_CAP_RECORDABLE;
2520 flags |= MMC_CAP_FORMATTABLE;
2521 break;
2522 case 0x0024 : /* hardware assised defect management feature */
2523 flags |= MMC_CAP_HW_DEFECTFREE;
2524 break;
2525 case 0x0025 : /* write once */
2526 flags |= MMC_CAP_RECORDABLE;
2527 break;
2528 case 0x0026 : /* restricted overwrite feature */
2529 flags |= MMC_CAP_RECORDABLE;
2530 flags |= MMC_CAP_REWRITABLE;
2531 flags |= MMC_CAP_STRICTOVERWRITE;
2532 break;
2533 case 0x0028 : /* MRW formatted media support feature */
2534 flags |= MMC_CAP_MRW;
2535 break;
2536 case 0x002b : /* DVD+R read (and opt. write) support */
2537 flags |= MMC_CAP_SEQUENTIAL;
2538 if (rpos[0] & 1) /* write support */
2539 flags |= MMC_CAP_RECORDABLE;
2540 break;
2541 case 0x002c : /* rigid restricted overwrite feature */
2542 flags |= MMC_CAP_RECORDABLE;
2543 flags |= MMC_CAP_REWRITABLE;
2544 flags |= MMC_CAP_STRICTOVERWRITE;
2545 if (rpos[0] & 1) /* blank bit */
2546 flags |= MMC_CAP_BLANKABLE;
2547 break;
2548 case 0x002d : /* track at once recording feature */
2549 flags |= MMC_CAP_RECORDABLE;
2550 flags |= MMC_CAP_SEQUENTIAL;
2551 break;
2552 case 0x002f : /* DVD-R/-RW write feature */
2553 flags |= MMC_CAP_RECORDABLE;
2554 if (rpos[0] & 2) /* DVD-RW bit */
2555 flags |= MMC_CAP_BLANKABLE;
2556 break;
2557 case 0x0038 : /* BD-R SRM with pseudo overwrite */
2558 flags |= MMC_CAP_PSEUDOOVERWRITE;
2559 break;
2560 default :
2561 /* ignore */
2562 break;
2563 }
2564
2565 if (cur == 1) {
2566 mmc_discinfo->mmc_cur = flags;
2567 } else {
2568 mmc_discinfo->mmc_cap = flags;
2569 }
2570 }
2571
2572 static int
mmc_getdiscinfo_cdrom(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2573 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph,
2574 struct mmc_discinfo *mmc_discinfo)
2575 {
2576 struct scsipi_read_toc gtoc_cmd;
2577 struct scsipi_toc_header *toc_hdr;
2578 struct scsipi_toc_msinfo *toc_msinfo;
2579 const uint32_t buffer_size = 1024;
2580 uint32_t req_size;
2581 uint8_t *buffer;
2582 int error, flags;
2583
2584 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2585 /*
2586 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont
2587 * care' but others might be of interest to programs.
2588 */
2589
2590 mmc_discinfo->disc_state = MMC_STATE_FULL;
2591 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2592 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2593 mmc_discinfo->link_block_penalty = 7; /* not relevant */
2594
2595 /* get number of sessions and first tracknr in last session */
2596 flags = XS_CTL_DATA_IN;
2597 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2598 gtoc_cmd.opcode = READ_TOC;
2599 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
2600 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */
2601 gtoc_cmd.from_track = 0; /* reserved, must be 0 */
2602 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo);
2603 _lto2b(req_size, gtoc_cmd.data_len);
2604
2605 error = scsipi_command(periph,
2606 (void *)>oc_cmd, sizeof(gtoc_cmd),
2607 (void *)buffer, req_size,
2608 CDRETRIES, 30000, NULL, flags);
2609 if (error)
2610 goto out;
2611 toc_hdr = (struct scsipi_toc_header *) buffer;
2612 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4);
2613 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1;
2614 mmc_discinfo->first_track = toc_hdr->first;
2615 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr;
2616
2617 /* get last track of last session */
2618 flags = XS_CTL_DATA_IN;
2619 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
2620 req_size = sizeof(*toc_hdr);
2621 _lto2b(req_size, gtoc_cmd.data_len);
2622
2623 error = scsipi_command(periph,
2624 (void *)>oc_cmd, sizeof(gtoc_cmd),
2625 (void *)buffer, req_size,
2626 CDRETRIES, 30000, NULL, flags);
2627 if (error)
2628 goto out;
2629 toc_hdr = (struct scsipi_toc_header *) buffer;
2630 mmc_discinfo->last_track_last_session = toc_hdr->last;
2631 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1;
2632
2633 /* TODO how to handle disc_barcode and disc_id */
2634 /* done */
2635
2636 out:
2637 free(buffer, M_TEMP);
2638 return error;
2639 }
2640
2641 static int
mmc_getdiscinfo_dvdrom(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2642 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph,
2643 struct mmc_discinfo *mmc_discinfo)
2644 {
2645 struct scsipi_read_toc gtoc_cmd;
2646 struct scsipi_toc_header toc_hdr;
2647 uint32_t req_size;
2648 int error, flags;
2649
2650 /*
2651 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont
2652 * care' but others might be of interest to programs.
2653 */
2654
2655 mmc_discinfo->disc_state = MMC_STATE_FULL;
2656 mmc_discinfo->last_session_state = MMC_STATE_FULL;
2657 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED;
2658 mmc_discinfo->link_block_penalty = 16; /* not relevant */
2659
2660 /* get number of sessions and first tracknr in last session */
2661 flags = XS_CTL_DATA_IN;
2662 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2663 gtoc_cmd.opcode = READ_TOC;
2664 gtoc_cmd.addr_mode = 0; /* LBA */
2665 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */
2666 gtoc_cmd.from_track = 1; /* first track */
2667 req_size = sizeof(toc_hdr);
2668 _lto2b(req_size, gtoc_cmd.data_len);
2669
2670 error = scsipi_command(periph,
2671 (void *)>oc_cmd, sizeof(gtoc_cmd),
2672 (void *)&toc_hdr, req_size,
2673 CDRETRIES, 30000, NULL, flags);
2674 if (error)
2675 return error;
2676
2677 /* DVD-ROM squashes the track/session space */
2678 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1;
2679 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions;
2680 mmc_discinfo->first_track = toc_hdr.first;
2681 mmc_discinfo->first_track_last_session = toc_hdr.last;
2682 mmc_discinfo->last_track_last_session = toc_hdr.last;
2683
2684 /* TODO how to handle disc_barcode and disc_id */
2685 /* done */
2686 return 0;
2687 }
2688
2689 static int
mmc_getdiscinfo(struct scsipi_periph * periph,struct mmc_discinfo * mmc_discinfo)2690 mmc_getdiscinfo(struct scsipi_periph *periph,
2691 struct mmc_discinfo *mmc_discinfo)
2692 {
2693 struct scsipi_get_configuration gc_cmd;
2694 struct scsipi_get_conf_data *gc;
2695 struct scsipi_get_conf_feature *gcf;
2696 struct scsipi_read_discinfo di_cmd;
2697 struct scsipi_read_discinfo_data di __aligned(2);
2698 const uint32_t buffer_size = 0x200; /* XXX RPZ USB3 SCSI size issue */
2699 uint32_t pos;
2700 u_long last_lba = 0;
2701 uint8_t *buffer, *fpos;
2702 int feature, last_feature, features_len, feature_cur, feature_len;
2703 int lsb, msb, error, flags;
2704
2705 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2706
2707 /* initialise structure */
2708 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo));
2709 mmc_discinfo->mmc_profile = 0x00; /* unknown */
2710 mmc_discinfo->mmc_class = MMC_CLASS_UNKN;
2711 mmc_discinfo->mmc_cur = 0;
2712 mmc_discinfo->mmc_cap = 0;
2713 mmc_discinfo->link_block_penalty = 0;
2714
2715 /* determine mmc profile and class */
2716 flags = XS_CTL_DATA_IN;
2717 memset(&gc_cmd, 0, sizeof(gc_cmd));
2718 gc_cmd.opcode = GET_CONFIGURATION;
2719 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
2720
2721 gc = (struct scsipi_get_conf_data *) buffer;
2722
2723 error = scsipi_command(periph,
2724 (void *)&gc_cmd, sizeof(gc_cmd),
2725 (void *) gc, GET_CONF_NO_FEATURES_LEN,
2726 CDRETRIES, 30000, NULL, flags);
2727 if (error)
2728 goto out;
2729
2730 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile);
2731 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile);
2732
2733 /* assume 2048 sector size unless told otherwise */
2734 mmc_discinfo->sector_size = 2048;
2735 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba);
2736 if (error)
2737 goto out;
2738
2739 mmc_discinfo->last_possible_lba = (uint32_t) last_lba;
2740
2741 /* Read in all features to determine device capabilities */
2742 last_feature = feature = 0;
2743 do {
2744 /* determine mmc profile and class */
2745 flags = XS_CTL_DATA_IN;
2746 memset(&gc_cmd, 0, sizeof(gc_cmd));
2747 gc_cmd.opcode = GET_CONFIGURATION;
2748 _lto2b(last_feature, gc_cmd.start_at_feature);
2749 _lto2b(buffer_size, gc_cmd.data_len);
2750 memset(gc, 0, buffer_size);
2751
2752 error = scsipi_command(periph,
2753 (void *)&gc_cmd, sizeof(gc_cmd),
2754 (void *) gc, buffer_size,
2755 CDRETRIES, 30000, NULL, flags);
2756 if (error) {
2757 /* ieeek... break out of loop... i dunno what to do */
2758 break;
2759 }
2760
2761 features_len = _4btol(gc->data_len);
2762 if (features_len < 4 || features_len > buffer_size)
2763 break;
2764
2765 pos = 0;
2766 fpos = &gc->feature_desc[0];
2767 while (pos < features_len - 4) {
2768 gcf = (struct scsipi_get_conf_feature *) fpos;
2769
2770 feature = _2btol(gcf->featurecode);
2771 feature_cur = gcf->flags & 1;
2772 feature_len = gcf->additional_length;
2773
2774 mmc_process_feature(mmc_discinfo,
2775 feature, feature_cur,
2776 gcf->feature_dependent);
2777
2778 last_feature = MAX(last_feature, feature);
2779 #ifdef DIAGNOSTIC
2780 /* assert((feature_len & 3) == 0); */
2781 if ((feature_len & 3) != 0) {
2782 printf("feature %d having length %d\n",
2783 feature, feature_len);
2784 }
2785 #endif
2786
2787 pos += 4 + feature_len;
2788 fpos += 4 + feature_len;
2789 }
2790 /* unlikely to ever grow past our 1kb buffer */
2791 } while (features_len >= 0xffff);
2792
2793 /*
2794 * Fixup CD-RW drives that are on crack.
2795 *
2796 * Some drives report the capability to incrementally write
2797 * sequentially on CD-R(W) media... nice, but this should not be
2798 * active for a fixed packet formatted CD-RW media. Other report the
2799 * ability of HW_DEFECTFREE even when the media is NOT MRW
2800 * formatted....
2801 */
2802 if (mmc_discinfo->mmc_profile == 0x0a) {
2803 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0)
2804 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE;
2805 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE)
2806 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
2807 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) {
2808 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL;
2809 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE;
2810 } else {
2811 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE;
2812 }
2813 }
2814 if (mmc_discinfo->mmc_profile == 0x09) {
2815 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE;
2816 }
2817
2818 #ifdef DEBUG
2819 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n",
2820 mmc_discinfo->mmc_profile,
2821 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap);
2822 #endif
2823
2824 /* read in disc state and number of sessions and tracks */
2825 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
2826 memset(&di_cmd, 0, sizeof(di_cmd));
2827 di_cmd.opcode = READ_DISCINFO;
2828 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE;
2829
2830 error = scsipi_command(periph,
2831 (void *)&di_cmd, sizeof(di_cmd),
2832 (void *)&di, READ_DISCINFO_BIGSIZE,
2833 CDRETRIES, 30000, NULL, flags);
2834
2835 if (error) {
2836 /* discinfo call failed, emulate for cd-rom/dvd-rom */
2837 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */
2838 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo);
2839 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */
2840 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo);
2841 else /* CD/DVD drive is violating specs */
2842 error = EIO;
2843 goto out;
2844 }
2845
2846 /* call went OK */
2847 mmc_discinfo->disc_state = di.disc_state & 3;
2848 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3;
2849 mmc_discinfo->bg_format_state = (di.disc_state2 & 3);
2850
2851 lsb = di.num_sessions_lsb;
2852 msb = di.num_sessions_msb;
2853 mmc_discinfo->num_sessions = lsb | (msb << 8);
2854
2855 mmc_discinfo->first_track = di.first_track;
2856 lsb = di.first_track_last_session_lsb;
2857 msb = di.first_track_last_session_msb;
2858 mmc_discinfo->first_track_last_session = lsb | (msb << 8);
2859 lsb = di.last_track_last_session_lsb;
2860 msb = di.last_track_last_session_msb;
2861 mmc_discinfo->last_track_last_session = lsb | (msb << 8);
2862
2863 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session -
2864 mmc_discinfo->first_track + 1;
2865
2866 /* set misc. flags and parameters from this disc info */
2867 if (di.disc_state & 16)
2868 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE;
2869
2870 if (di.disc_state2 & 128) {
2871 mmc_discinfo->disc_id = _4btol(di.discid);
2872 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID;
2873 }
2874 if (di.disc_state2 & 64) {
2875 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code);
2876 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID;
2877 }
2878 if (di.disc_state2 & 32)
2879 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED;
2880
2881 if (di.disc_state2 & 16) {
2882 mmc_discinfo->application_code = di.application_code;
2883 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID;
2884 }
2885
2886 /* done */
2887
2888 out:
2889 free(buffer, M_TEMP);
2890 return error;
2891 }
2892
2893 static int
mmc_gettrackinfo_cdrom(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)2894 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph,
2895 struct mmc_trackinfo *trackinfo)
2896 {
2897 struct scsipi_read_toc gtoc_cmd;
2898 struct scsipi_toc_header *toc_hdr;
2899 struct scsipi_toc_rawtoc *rawtoc;
2900 uint32_t track_start, track_size;
2901 uint32_t last_recorded, next_writable;
2902 uint32_t lba, next_track_start, lead_out;
2903 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
2904 uint8_t *buffer;
2905 uint8_t track_sessionnr, sessionnr, adr, tno, point;
2906 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe;
2907 int size, req_size;
2908 int error, flags;
2909
2910 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
2911
2912 /*
2913 * Emulate read trackinfo for CD-ROM using the raw-TOC.
2914 *
2915 * Not all information is present and this presents a problem. Track
2916 * starts are known for each track but other values are deducted.
2917 *
2918 * For a complete overview of `magic' values used here, see the
2919 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no
2920 * names, they are specified as numbers.
2921 */
2922
2923 /* get raw toc to process, first header to check size */
2924 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
2925 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
2926 gtoc_cmd.opcode = READ_TOC;
2927 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */
2928 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */
2929 gtoc_cmd.from_track = 1; /* first session */
2930 req_size = sizeof(*toc_hdr);
2931 _lto2b(req_size, gtoc_cmd.data_len);
2932
2933 error = scsipi_command(periph,
2934 (void *)>oc_cmd, sizeof(gtoc_cmd),
2935 (void *)buffer, req_size,
2936 CDRETRIES, 30000, NULL, flags);
2937 if (error)
2938 goto out;
2939 toc_hdr = (struct scsipi_toc_header *) buffer;
2940 if (_2btol(toc_hdr->length) > buffer_size - 2) {
2941 #ifdef DIAGNOSTIC
2942 printf("increase buffersize in mmc_readtrackinfo_cdrom\n");
2943 #endif
2944 error = ENOBUFS;
2945 goto out;
2946 }
2947
2948 /* read in complete raw toc */
2949 req_size = _2btol(toc_hdr->length);
2950 req_size = 2*((req_size + 1) / 2); /* for ATAPI */
2951 _lto2b(req_size, gtoc_cmd.data_len);
2952
2953 error = scsipi_command(periph,
2954 (void *)>oc_cmd, sizeof(gtoc_cmd),
2955 (void *)buffer, req_size,
2956 CDRETRIES, 30000, NULL, flags);
2957 if (error)
2958 goto out;
2959
2960 toc_hdr = (struct scsipi_toc_header *) buffer;
2961 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4);
2962
2963 track_start = 0;
2964 track_size = 0;
2965 last_recorded = 0;
2966 next_writable = 0;
2967 flags = 0;
2968
2969 next_track_start = 0;
2970 track_sessionnr = MAXTRACK; /* by definition */
2971 lead_out = 0;
2972
2973 size = req_size - sizeof(struct scsipi_toc_header) + 1;
2974 while (size > 0) {
2975 /* get track start and session end */
2976 tno = rawtoc->tno;
2977 sessionnr = rawtoc->sessionnr;
2978 adr = rawtoc->adrcontrol >> 4;
2979 control = rawtoc->adrcontrol & 0xf;
2980 point = rawtoc->point;
2981 tmin = rawtoc->min;
2982 tsec = rawtoc->sec;
2983 tframe = rawtoc->frame;
2984 pmin = rawtoc->pmin;
2985 psec = rawtoc->psec;
2986 pframe = rawtoc->pframe;
2987
2988 if (tno == 0 && sessionnr && adr == 1) {
2989 lba = hmsf2lba(0, pmin, psec, pframe);
2990 if (point == trackinfo->tracknr) {
2991 track_start = lba;
2992 track_sessionnr = sessionnr;
2993 }
2994 if (point == trackinfo->tracknr + 1) {
2995 /* estimate size */
2996 track_size = lba - track_start;
2997 next_track_start = lba;
2998 }
2999 if (point == 0xa2) {
3000 lead_out = lba;
3001 }
3002 if (point <= 0x63) {
3003 /* CD's ok, DVD are glued */
3004 /* last_tracknr = point; */
3005 }
3006 if (sessionnr == track_sessionnr) {
3007 last_recorded = lead_out;
3008 }
3009 }
3010 if (tno == 0 && sessionnr && adr == 5) {
3011 lba = hmsf2lba(0, tmin, tsec, tframe);
3012 if (sessionnr == track_sessionnr) {
3013 next_writable = lba;
3014 }
3015 }
3016
3017 if ((control & (3<<2)) == 4) /* 01xxb */
3018 flags |= MMC_TRACKINFO_DATA;
3019 if ((control & (1<<2)) == 0) { /* x0xxb */
3020 flags |= MMC_TRACKINFO_AUDIO;
3021 if (control & 1) /* xxx1b */
3022 flags |= MMC_TRACKINFO_PRE_EMPH;
3023 }
3024
3025 rawtoc++;
3026 size -= sizeof(struct scsipi_toc_rawtoc);
3027 }
3028
3029 /* process found values; some voodoo */
3030 /* if no tracksize tracknr is the last of the disc */
3031 if ((track_size == 0) && last_recorded) {
3032 track_size = last_recorded - track_start;
3033 }
3034 /* if last_recorded < tracksize, tracksize is overestimated */
3035 if (last_recorded) {
3036 if (last_recorded - track_start <= track_size) {
3037 track_size = last_recorded - track_start;
3038 flags |= MMC_TRACKINFO_LRA_VALID;
3039 }
3040 }
3041 /* check if its a the last track of the sector */
3042 if (next_writable) {
3043 if (next_track_start > next_writable)
3044 flags |= MMC_TRACKINFO_NWA_VALID;
3045 }
3046
3047 /* no flag set -> no values */
3048 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0)
3049 last_recorded = 0;
3050 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0)
3051 next_writable = 0;
3052
3053 /* fill in */
3054 /* trackinfo->tracknr preserved */
3055 trackinfo->sessionnr = track_sessionnr;
3056 trackinfo->track_mode = 7; /* data, incremental */
3057 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3058
3059 trackinfo->flags = flags;
3060 trackinfo->track_start = track_start;
3061 trackinfo->next_writable = next_writable;
3062 trackinfo->free_blocks = 0;
3063 trackinfo->packet_size = 1;
3064 trackinfo->track_size = track_size;
3065 trackinfo->last_recorded = last_recorded;
3066
3067 out:
3068 free(buffer, M_TEMP);
3069 return error;
3070
3071 }
3072
3073 static int
mmc_gettrackinfo_dvdrom(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)3074 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph,
3075 struct mmc_trackinfo *trackinfo)
3076 {
3077 struct scsipi_read_toc gtoc_cmd;
3078 struct scsipi_toc_header *toc_hdr;
3079 struct scsipi_toc_formatted *toc;
3080 uint32_t tracknr, track_start, track_size;
3081 uint32_t lba, lead_out;
3082 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */
3083 uint8_t *buffer;
3084 uint8_t control, last_tracknr;
3085 int size, req_size;
3086 int error, flags;
3087
3088
3089 buffer = malloc(buffer_size, M_TEMP, M_WAITOK);
3090 /*
3091 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the
3092 * CD-ROM emulation uses since the specification tells us that no such
3093 * thing is defined for DVD's. The reason for this is due to the large
3094 * number of tracks and that would clash with the `magic' values. This
3095 * suxs.
3096 *
3097 * Not all information is present and this presents a problem.
3098 * Track starts are known for each track but other values are
3099 * deducted.
3100 */
3101
3102 /* get formatted toc to process, first header to check size */
3103 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3104 memset(>oc_cmd, 0, sizeof(gtoc_cmd));
3105 gtoc_cmd.opcode = READ_TOC;
3106 gtoc_cmd.addr_mode = 0; /* lba's please */
3107 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */
3108 gtoc_cmd.from_track = 1; /* first track */
3109 req_size = sizeof(*toc_hdr);
3110 _lto2b(req_size, gtoc_cmd.data_len);
3111
3112 error = scsipi_command(periph,
3113 (void *)>oc_cmd, sizeof(gtoc_cmd),
3114 (void *)buffer, req_size,
3115 CDRETRIES, 30000, NULL, flags);
3116 if (error)
3117 goto out;
3118 toc_hdr = (struct scsipi_toc_header *) buffer;
3119 if (_2btol(toc_hdr->length) > buffer_size - 2) {
3120 #ifdef DIAGNOSTIC
3121 printf("increase buffersize in mmc_readtrackinfo_dvdrom\n");
3122 #endif
3123 error = ENOBUFS;
3124 goto out;
3125 }
3126
3127 /* read in complete formatted toc */
3128 req_size = _2btol(toc_hdr->length);
3129 _lto2b(req_size, gtoc_cmd.data_len);
3130
3131 error = scsipi_command(periph,
3132 (void *)>oc_cmd, sizeof(gtoc_cmd),
3133 (void *)buffer, req_size,
3134 CDRETRIES, 30000, NULL, flags);
3135 if (error)
3136 goto out;
3137
3138 toc_hdr = (struct scsipi_toc_header *) buffer;
3139 toc = (struct scsipi_toc_formatted *) (buffer + 4);
3140
3141 /* as in read disc info, all sessions are converted to tracks */
3142 /* track 1.. -> offsets, sizes can be (roughly) estimated (16 ECC) */
3143 /* last track -> we got the size from the lead-out */
3144
3145 tracknr = 0;
3146 last_tracknr = toc_hdr->last;
3147 track_start = 0;
3148 track_size = 0;
3149 lead_out = 0;
3150 flags = 0;
3151
3152 size = req_size - sizeof(struct scsipi_toc_header) + 1;
3153 while (size > 0) {
3154 /* remember, DVD-ROM: tracknr == sessionnr */
3155 lba = _4btol(toc->msf_lba);
3156 tracknr = toc->tracknr;
3157 control = toc->adrcontrol & 0xf;
3158
3159 if (trackinfo->tracknr == tracknr) {
3160 track_start = lba;
3161 }
3162 if (trackinfo->tracknr == tracknr+1) {
3163 track_size = lba - track_start;
3164 track_size -= 16; /* link block ? */
3165 }
3166 if (tracknr == 0xAA) {
3167 lead_out = lba;
3168 }
3169
3170 if ((control & (3<<2)) == 4) /* 01xxb */
3171 flags |= MMC_TRACKINFO_DATA;
3172 if ((control & (1<<2)) == 0) { /* x0xxb */
3173 flags |= MMC_TRACKINFO_AUDIO;
3174 if (control & (1<<3)) /* 10xxb */
3175 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3176 if (control & 1) /* xxx1b */
3177 flags |= MMC_TRACKINFO_PRE_EMPH;
3178 }
3179
3180 toc++;
3181 size -= sizeof(struct scsipi_toc_formatted);
3182 }
3183 if (trackinfo->tracknr == last_tracknr) {
3184 track_size = lead_out - track_start;
3185 }
3186
3187 /* fill in */
3188 /* trackinfo->tracknr preserved */
3189 trackinfo->sessionnr = trackinfo->tracknr;
3190 trackinfo->track_mode = 0; /* unknown */
3191 trackinfo->data_mode = 8; /* 2048 bytes mode1 */
3192
3193 trackinfo->flags = flags;
3194 trackinfo->track_start = track_start;
3195 trackinfo->next_writable = 0;
3196 trackinfo->free_blocks = 0;
3197 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */
3198 trackinfo->track_size = track_size;
3199 trackinfo->last_recorded = 0;
3200
3201 out:
3202 free(buffer, M_TEMP);
3203 return error;
3204 }
3205
3206 static int
mmc_gettrackinfo(struct scsipi_periph * periph,struct mmc_trackinfo * trackinfo)3207 mmc_gettrackinfo(struct scsipi_periph *periph,
3208 struct mmc_trackinfo *trackinfo)
3209 {
3210 struct scsipi_read_trackinfo ti_cmd;
3211 struct scsipi_read_trackinfo_data ti __aligned(2);
3212 struct scsipi_get_configuration gc_cmd;
3213 struct scsipi_get_conf_data gc __aligned(2);
3214 int error, flags;
3215 int mmc_profile;
3216
3217 /* set up SCSI call with track number from trackinfo.tracknr */
3218 flags = XS_CTL_DATA_IN | XS_CTL_SILENT;
3219 memset(&ti_cmd, 0, sizeof(ti_cmd));
3220 ti_cmd.opcode = READ_TRACKINFO;
3221 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK;
3222 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE;
3223
3224 /* trackinfo.tracknr contains number of tracks to query */
3225 _lto4b(trackinfo->tracknr, ti_cmd.address);
3226 error = scsipi_command(periph,
3227 (void *)&ti_cmd, sizeof(ti_cmd),
3228 (void *)&ti, READ_TRACKINFO_RETURNSIZE,
3229 CDRETRIES, 30000, NULL, flags);
3230
3231 if (error) {
3232 /* trackinfo call failed, emulate for cd-rom/dvd-rom */
3233 /* first determine mmc profile */
3234 flags = XS_CTL_DATA_IN;
3235 memset(&gc_cmd, 0, sizeof(gc_cmd));
3236 gc_cmd.opcode = GET_CONFIGURATION;
3237 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len);
3238
3239 error = scsipi_command(periph,
3240 (void *)&gc_cmd, sizeof(gc_cmd),
3241 (void *)&gc, GET_CONF_NO_FEATURES_LEN,
3242 CDRETRIES, 30000, NULL, flags);
3243 if (error)
3244 return error;
3245 mmc_profile = _2btol(gc.mmc_profile);
3246
3247 /* choose emulation */
3248 if (mmc_profile == 0x08) /* CD-ROM */
3249 return mmc_gettrackinfo_cdrom(periph, trackinfo);
3250 if (mmc_profile == 0x10) /* DVD-ROM */
3251 return mmc_gettrackinfo_dvdrom(periph, trackinfo);
3252 /* CD/DVD drive is violating specs */
3253 return EIO;
3254 }
3255
3256 /* (re)initialise structure */
3257 memset(trackinfo, 0, sizeof(struct mmc_trackinfo));
3258
3259 /* account for short returns screwing up track and session msb */
3260 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) {
3261 ti.track_msb = 0;
3262 ti.session_msb = 0;
3263 }
3264
3265 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8);
3266 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8);
3267 trackinfo->track_mode = ti.track_info_1 & 0xf;
3268 trackinfo->data_mode = ti.track_info_2 & 0xf;
3269
3270 flags = 0;
3271 if (ti.track_info_1 & 0x10)
3272 flags |= MMC_TRACKINFO_COPY;
3273 if (ti.track_info_1 & 0x20)
3274 flags |= MMC_TRACKINFO_DAMAGED;
3275 if (ti.track_info_2 & 0x10)
3276 flags |= MMC_TRACKINFO_FIXED_PACKET;
3277 if (ti.track_info_2 & 0x20)
3278 flags |= MMC_TRACKINFO_INCREMENTAL;
3279 if (ti.track_info_2 & 0x40)
3280 flags |= MMC_TRACKINFO_BLANK;
3281 if (ti.track_info_2 & 0x80)
3282 flags |= MMC_TRACKINFO_RESERVED;
3283 if (ti.data_valid & 0x01)
3284 flags |= MMC_TRACKINFO_NWA_VALID;
3285 if (ti.data_valid & 0x02)
3286 flags |= MMC_TRACKINFO_LRA_VALID;
3287 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */
3288 flags |= MMC_TRACKINFO_DATA;
3289 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */
3290 flags |= MMC_TRACKINFO_AUDIO;
3291 if (trackinfo->track_mode & (1<<3)) /* 10xxb */
3292 flags |= MMC_TRACKINFO_AUDIO_4CHAN;
3293 if (trackinfo->track_mode & 1) /* xxx1b */
3294 flags |= MMC_TRACKINFO_PRE_EMPH;
3295 }
3296
3297 trackinfo->flags = flags;
3298 trackinfo->track_start = _4btol(ti.track_start);
3299 trackinfo->next_writable = _4btol(ti.next_writable);
3300 trackinfo->free_blocks = _4btol(ti.free_blocks);
3301 trackinfo->packet_size = _4btol(ti.packet_size);
3302 trackinfo->track_size = _4btol(ti.track_size);
3303 trackinfo->last_recorded = _4btol(ti.last_recorded);
3304
3305 return 0;
3306 }
3307
3308 static int
mmc_doclose(struct scsipi_periph * periph,int param,int func)3309 mmc_doclose(struct scsipi_periph *periph, int param, int func) {
3310 struct scsipi_close_tracksession close_cmd;
3311 int error, flags;
3312
3313 /* set up SCSI call with track number */
3314 flags = XS_CTL_DATA_OUT;
3315 memset(&close_cmd, 0, sizeof(close_cmd));
3316 close_cmd.opcode = CLOSE_TRACKSESSION;
3317 close_cmd.function = func;
3318 _lto2b(param, close_cmd.tracksessionnr);
3319
3320 error = scsipi_command(periph,
3321 (void *) &close_cmd, sizeof(close_cmd),
3322 NULL, 0,
3323 CDRETRIES, 120000, NULL, flags);
3324
3325 return error;
3326 }
3327
3328 static int
mmc_do_closetrack(struct scsipi_periph * periph,struct mmc_op * mmc_op)3329 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3330 {
3331 int mmc_profile = mmc_op->mmc_profile;
3332
3333 switch (mmc_profile) {
3334 case 0x12 : /* DVD-RAM */
3335 case 0x1a : /* DVD+RW */
3336 case 0x2a : /* DVD+RW Dual layer */
3337 case 0x42 : /* BD-R Random Recording (RRM) */
3338 case 0x43 : /* BD-RE */
3339 case 0x52 : /* HD DVD-RW ; DVD-RAM like */
3340 return EINVAL;
3341 }
3342
3343 return mmc_doclose(periph, mmc_op->tracknr, 1);
3344 }
3345
3346 static int
mmc_do_close_or_finalise(struct scsipi_periph * periph,struct mmc_op * mmc_op)3347 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3348 {
3349 uint8_t blob[MS5LEN], *page5;
3350 int mmc_profile = mmc_op->mmc_profile;
3351 int func, close, flags;
3352 int error;
3353
3354 close = (mmc_op->operation == MMC_OP_CLOSESESSION);
3355
3356 switch (mmc_profile) {
3357 case 0x09 : /* CD-R */
3358 case 0x0a : /* CD-RW */
3359 /* Special case : need to update MS field in mode page 5 */
3360 memset(blob, 0, sizeof(blob));
3361 page5 = blob+8;
3362
3363 flags = XS_CTL_DATA_IN;
3364 error = scsipi_mode_sense_big(periph, SMS_PF, 5,
3365 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3366 if (error)
3367 return error;
3368
3369 /* set multi session field when closing a session only */
3370 page5[3] &= 63;
3371 if (close)
3372 page5[3] |= 3 << 6;
3373
3374 flags = XS_CTL_DATA_OUT;
3375 error = scsipi_mode_select_big(periph, SMS_PF,
3376 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000);
3377 if (error)
3378 return error;
3379 /* and use function 2 */
3380 func = 2;
3381 break;
3382 case 0x11 : /* DVD-R (DL) */
3383 case 0x13 : /* DVD-RW restricted overwrite */
3384 case 0x14 : /* DVD-RW sequential */
3385 func = close ? 2 : 3;
3386 break;
3387 case 0x1b : /* DVD+R */
3388 case 0x2b : /* DVD+R Dual layer */
3389 case 0x51 : /* HD DVD-R */
3390 case 0x41 : /* BD-R Sequential recording (SRM) */
3391 func = close ? 2 : 6;
3392 break;
3393 case 0x12 : /* DVD-RAM */
3394 case 0x1a : /* DVD+RW */
3395 case 0x2a : /* DVD+RW Dual layer */
3396 case 0x42 : /* BD-R Random Recording (RRM) */
3397 case 0x43 : /* BD-RE */
3398 case 0x52 : /* HD DVD-RW; DVD-RAM like */
3399 return EINVAL;
3400 default:
3401 printf("MMC close/finalise passed wrong device type! (%d)\n",
3402 mmc_profile);
3403 return EINVAL;
3404 }
3405
3406 return mmc_doclose(periph, mmc_op->sessionnr, func);
3407 }
3408
3409 static int
mmc_do_reserve_track(struct scsipi_periph * periph,struct mmc_op * mmc_op)3410 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3411 {
3412 struct scsipi_reserve_track reserve_cmd;
3413 uint32_t extent;
3414 int error, flags;
3415
3416 /* TODO make mmc safeguards? */
3417 extent = mmc_op->extent;
3418 /* TODO min/max support? */
3419
3420 /* set up SCSI call with requested space */
3421 flags = XS_CTL_DATA_OUT;
3422 memset(&reserve_cmd, 0, sizeof(reserve_cmd));
3423 reserve_cmd.opcode = RESERVE_TRACK;
3424 _lto4b(extent, reserve_cmd.reservation_size);
3425
3426 error = scsipi_command(periph,
3427 (void *) &reserve_cmd, sizeof(reserve_cmd),
3428 NULL, 0,
3429 CDRETRIES, 30000, NULL, flags);
3430
3431 return error;
3432 }
3433
3434 static int
mmc_do_reserve_track_nwa(struct scsipi_periph * periph,struct mmc_op * mmc_op)3435 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3436 {
3437 /* XXX assumes that NWA given is valid */
3438 switch (mmc_op->mmc_profile) {
3439 case 0x09 : /* CD-R */
3440 /* XXX unknown boundary checks XXX */
3441 if (mmc_op->extent <= 152)
3442 return EINVAL;
3443 /* CD-R takes 152 sectors to close track */
3444 mmc_op->extent -= 152;
3445 return mmc_do_reserve_track(periph, mmc_op);
3446 case 0x11 : /* DVD-R (DL) */
3447 case 0x1b : /* DVD+R */
3448 case 0x2b : /* DVD+R Dual layer */
3449 if (mmc_op->extent % 16)
3450 return EINVAL;
3451 /* upto one ECC block of 16 sectors lost */
3452 mmc_op->extent -= 16;
3453 return mmc_do_reserve_track(periph, mmc_op);
3454 case 0x41 : /* BD-R Sequential recording (SRM) */
3455 case 0x51 : /* HD DVD-R */
3456 if (mmc_op->extent % 32)
3457 return EINVAL;
3458 /* one ECC block of 32 sectors lost (AFAIK) */
3459 mmc_op->extent -= 32;
3460 return mmc_do_reserve_track(periph, mmc_op);
3461 }
3462
3463 /* unknown behaviour or invalid disc type */
3464 return EINVAL;
3465 }
3466
3467 static int
mmc_do_repair_track(struct scsipi_periph * periph,struct mmc_op * mmc_op)3468 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3469 {
3470 struct scsipi_repair_track repair_cmd;
3471 int error, flags;
3472
3473 /* TODO make mmc safeguards? */
3474
3475 /* set up SCSI call with track number */
3476 flags = XS_CTL_DATA_OUT;
3477 memset(&repair_cmd, 0, sizeof(repair_cmd));
3478 repair_cmd.opcode = REPAIR_TRACK;
3479 _lto2b(mmc_op->tracknr, repair_cmd.tracknr);
3480
3481 error = scsipi_command(periph,
3482 (void *) &repair_cmd, sizeof(repair_cmd),
3483 NULL, 0,
3484 CDRETRIES, 30000, NULL, flags);
3485
3486 return error;
3487 }
3488
3489 static int
mmc_do_op(struct scsipi_periph * periph,struct mmc_op * mmc_op)3490 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op)
3491 {
3492 /* guard operation value */
3493 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX)
3494 return EINVAL;
3495
3496 /* synchronise cache is special since it doesn't rely on mmc_profile */
3497 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE)
3498 return cdcachesync(periph, 0);
3499
3500 /* zero mmc_profile means unknown disc so operations are not defined */
3501 if (mmc_op->mmc_profile == 0) {
3502 #ifdef DEBUG
3503 printf("mmc_do_op called with mmc_profile = 0\n");
3504 #endif
3505 return EINVAL;
3506 }
3507
3508 /* do the operations */
3509 switch (mmc_op->operation) {
3510 case MMC_OP_CLOSETRACK :
3511 return mmc_do_closetrack(periph, mmc_op);
3512 case MMC_OP_CLOSESESSION :
3513 case MMC_OP_FINALISEDISC :
3514 return mmc_do_close_or_finalise(periph, mmc_op);
3515 case MMC_OP_RESERVETRACK :
3516 return mmc_do_reserve_track(periph, mmc_op);
3517 case MMC_OP_RESERVETRACK_NWA :
3518 return mmc_do_reserve_track_nwa(periph, mmc_op);
3519 case MMC_OP_REPAIRTRACK :
3520 return mmc_do_repair_track(periph, mmc_op);
3521 case MMC_OP_UNCLOSELASTSESSION :
3522 /* TODO unclose last session support */
3523 return EINVAL;
3524 default :
3525 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation);
3526 }
3527
3528 return EINVAL;
3529 }
3530
3531 static int
mmc_setup_writeparams(struct scsipi_periph * periph,struct mmc_writeparams * mmc_writeparams)3532 mmc_setup_writeparams(struct scsipi_periph *periph,
3533 struct mmc_writeparams *mmc_writeparams)
3534 {
3535 struct mmc_trackinfo trackinfo;
3536 uint8_t blob[MS5LEN];
3537 uint8_t *page5;
3538 int flags, error;
3539 int track_mode, data_mode;
3540
3541 /* setup mode page 5 for CD only */
3542 if (mmc_writeparams->mmc_class != MMC_CLASS_CD)
3543 return 0;
3544
3545 memset(blob, 0, sizeof(blob));
3546 page5 = blob+8;
3547
3548 /* read mode page 5 (with header) */
3549 flags = XS_CTL_DATA_IN;
3550 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob,
3551 sizeof(blob), flags, CDRETRIES, 20000);
3552 if (error)
3553 return error;
3554
3555 /* set page length for reassurance */
3556 page5[1] = P5LEN; /* page length */
3557
3558 /* write type packet/incremental */
3559 page5[2] &= 0xf0;
3560
3561 /* set specified mode parameters */
3562 track_mode = mmc_writeparams->track_mode;
3563 data_mode = mmc_writeparams->data_mode;
3564 if (track_mode <= 0 || track_mode > 15)
3565 return EINVAL;
3566 if (data_mode < 1 || data_mode > 2)
3567 return EINVAL;
3568
3569 /* if a tracknr is passed, setup according to the track */
3570 if (mmc_writeparams->tracknr > 0) {
3571 trackinfo.tracknr = mmc_writeparams->tracknr;
3572 error = mmc_gettrackinfo(periph, &trackinfo);
3573 if (error)
3574 return error;
3575 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) {
3576 track_mode = trackinfo.track_mode;
3577 data_mode = trackinfo.data_mode;
3578 }
3579 mmc_writeparams->blockingnr = trackinfo.packet_size;
3580 }
3581
3582 /* copy track mode and data mode from trackinfo */
3583 page5[3] &= 16; /* keep only `Copy' bit */
3584 page5[3] |= (3 << 6) | track_mode;
3585 page5[4] &= 0xf0; /* wipe data block type */
3586 if (data_mode == 1) {
3587 /* select ISO mode 1 (CD only) */
3588 page5[4] |= 8;
3589 /* select session format normal disc (CD only) */
3590 page5[8] = 0;
3591 } else {
3592 /* select ISO mode 2; XA form 1 (CD only) */
3593 page5[4] |= 10;
3594 /* select session format CD-ROM XA disc (CD only) */
3595 page5[8] = 0x20;
3596 }
3597 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) {
3598 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) {
3599 /* set BUFE buffer underrun protection */
3600 page5[2] |= 1<<6;
3601 }
3602 /* allow for multi session */
3603 page5[3] |= 3 << 6;
3604 } else {
3605 /* select fixed packets */
3606 page5[3] |= 1<<5;
3607 _lto4b(mmc_writeparams->blockingnr, &(page5[10]));
3608 }
3609
3610 /* write out updated mode page 5 (with header) */
3611 flags = XS_CTL_DATA_OUT;
3612 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob,
3613 sizeof(blob), flags, CDRETRIES, 20000);
3614 if (error)
3615 return error;
3616
3617 return 0;
3618 }
3619
3620 static void
cd_set_geometry(struct cd_softc * cd)3621 cd_set_geometry(struct cd_softc *cd)
3622 {
3623 struct dk_softc *dksc = &cd->sc_dksc;
3624 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom;
3625
3626 memset(dg, 0, sizeof(*dg));
3627
3628 dg->dg_secperunit = cd->params.disksize;
3629 dg->dg_secsize = cd->params.blksize;
3630 dg->dg_nsectors = 100;
3631 dg->dg_ntracks = 1;
3632
3633 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL);
3634 }
3635