cd.c revision 1.240
1/* $NetBSD: cd.c,v 1.240 2006/02/08 23:09:15 reinoud Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC discinfo/trackinfo contributed to the NetBSD Foundation by Reinoud 11 * 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 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42/* 43 * Originally written by Julian Elischer (julian@tfs.com) 44 * for TRW Financial Systems for use under the MACH(2.5) operating system. 45 * 46 * TRW Financial Systems, in accordance with their agreement with Carnegie 47 * Mellon University, makes this software available to CMU to distribute 48 * or use in any manner that they see fit as long as this message is kept with 49 * the software. For this reason TFS also grants any other persons or 50 * organisations permission to use or modify this software. 51 * 52 * TFS supplies this software to be publicly redistributed 53 * on the understanding that TFS is not responsible for the correct 54 * functioning of this software in any circumstances. 55 * 56 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 57 */ 58 59#include <sys/cdefs.h> 60__KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.240 2006/02/08 23:09:15 reinoud Exp $"); 61 62#include "rnd.h" 63 64#include <sys/param.h> 65#include <sys/systm.h> 66#include <sys/kernel.h> 67#include <sys/file.h> 68#include <sys/stat.h> 69#include <sys/ioctl.h> 70#include <sys/buf.h> 71#include <sys/bufq.h> 72#include <sys/uio.h> 73#include <sys/malloc.h> 74#include <sys/errno.h> 75#include <sys/device.h> 76#include <sys/disklabel.h> 77#include <sys/disk.h> 78#include <sys/cdio.h> 79#include <sys/dvdio.h> 80#include <sys/scsiio.h> 81#include <sys/proc.h> 82#include <sys/conf.h> 83#include <sys/vnode.h> 84#if NRND > 0 85#include <sys/rnd.h> 86#endif 87 88#include <dev/scsipi/scsi_spc.h> 89#include <dev/scsipi/scsipi_all.h> 90#include <dev/scsipi/scsipi_cd.h> 91#include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 92#include <dev/scsipi/scsi_all.h> 93 /* from there */ 94#include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 95#include <dev/scsipi/scsipiconf.h> 96#include <dev/scsipi/scsipi_base.h> 97#include <dev/scsipi/cdvar.h> 98 99#define CDUNIT(z) DISKUNIT(z) 100#define CDPART(z) DISKPART(z) 101#define CDMINOR(unit, part) DISKMINOR(unit, part) 102#define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 103 104#define MAXTRACK 99 105#define CD_BLOCK_OFFSET 150 106#define CD_FRAMES 75 107#define CD_SECS 60 108 109#define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 110#define CD_TOC_MSINFO 1 /* multi-session info */ 111#define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 112#define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 113#define CD_TOC_ATIP 4 /* pressed space of recordable */ 114#define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 115 116struct cd_formatted_toc { 117 struct ioc_toc_header header; 118 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 119 /* leadout */ 120}; 121 122static void cdstart(struct scsipi_periph *); 123static void cdrestart(void *); 124static void cdminphys(struct buf *); 125static void cdgetdefaultlabel(struct cd_softc *, struct disklabel *); 126static void cdgetdisklabel(struct cd_softc *); 127static void cddone(struct scsipi_xfer *, int); 128static void cdbounce(struct buf *); 129static int cd_interpret_sense(struct scsipi_xfer *); 130static u_long cd_size(struct cd_softc *, int); 131static int cd_play(struct cd_softc *, int, int); 132static int cd_play_tracks(struct cd_softc *, int, int, int, int); 133static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 134static int cd_pause(struct cd_softc *, int); 135static int cd_reset(struct cd_softc *); 136static int cd_read_subchannel(struct cd_softc *, int, int, int, 137 struct cd_sub_channel_info *, int, int); 138static int cd_read_toc(struct cd_softc *, int, int, int, void *, int, int, int); 139static int cd_get_parms(struct cd_softc *, int); 140static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 141static int cdreadmsaddr(struct cd_softc *, int *); 142 143static int dvd_auth(struct cd_softc *, dvd_authinfo *); 144static int dvd_read_physical(struct cd_softc *, dvd_struct *); 145static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 146static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 147static int dvd_read_bca(struct cd_softc *, dvd_struct *); 148static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 149static int dvd_read_struct(struct cd_softc *, dvd_struct *); 150 151static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 152 int, int *); 153static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 154 int, int); 155static int cd_setchan(struct cd_softc *, int, int, int, int, int); 156static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 157static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 158static int cd_set_pa_immed(struct cd_softc *, int); 159static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 160static int cd_setblksize(struct cd_softc *); 161 162static int cdmatch(struct device *, struct cfdata *, void *); 163static void cdattach(struct device *, struct device *, void *); 164static int cdactivate(struct device *, enum devact); 165static int cddetach(struct device *, int); 166 167static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 168static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 169 170CFATTACH_DECL(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 171 cdactivate); 172 173extern struct cfdriver cd_cd; 174 175static const struct scsipi_inquiry_pattern cd_patterns[] = { 176 {T_CDROM, T_REMOV, 177 "", "", ""}, 178 {T_WORM, T_REMOV, 179 "", "", ""}, 180#if 0 181 {T_CDROM, T_REMOV, /* more luns */ 182 "PIONEER ", "CD-ROM DRM-600 ", ""}, 183#endif 184 {T_DIRECT, T_REMOV, 185 "NEC CD-ROM DRIVE:260", "", ""}, 186}; 187 188static dev_type_open(cdopen); 189static dev_type_close(cdclose); 190static dev_type_read(cdread); 191static dev_type_write(cdwrite); 192static dev_type_ioctl(cdioctl); 193static dev_type_strategy(cdstrategy); 194static dev_type_dump(cddump); 195static dev_type_size(cdsize); 196 197const struct bdevsw cd_bdevsw = { 198 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 199}; 200 201const struct cdevsw cd_cdevsw = { 202 cdopen, cdclose, cdread, cdwrite, cdioctl, 203 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 204}; 205 206static struct dkdriver cddkdriver = { cdstrategy }; 207 208static const struct scsipi_periphsw cd_switch = { 209 cd_interpret_sense, /* use our error handler first */ 210 cdstart, /* we have a queue, which is started by this */ 211 NULL, /* we do not have an async handler */ 212 cddone, /* deal with stats at interrupt time */ 213}; 214 215/* 216 * The routine called by the low level scsi routine when it discovers 217 * A device suitable for this driver 218 */ 219static int 220cdmatch(struct device *parent, struct cfdata *match, void *aux) 221{ 222 struct scsipibus_attach_args *sa = aux; 223 int priority; 224 225 (void)scsipi_inqmatch(&sa->sa_inqbuf, 226 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 227 sizeof(cd_patterns[0]), &priority); 228 229 return (priority); 230} 231 232static void 233cdattach(struct device *parent, struct device *self, void *aux) 234{ 235 struct cd_softc *cd = (void *)self; 236 struct scsipibus_attach_args *sa = aux; 237 struct scsipi_periph *periph = sa->sa_periph; 238 239 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 240 241 lockinit(&cd->sc_lock, PRIBIO | PCATCH, "cdlock", 0, 0); 242 243 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 244 periph->periph_version == 0) 245 cd->flags |= CDF_ANCIENT; 246 247 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 248 249 callout_init(&cd->sc_callout); 250 251 /* 252 * Store information needed to contact our base driver 253 */ 254 cd->sc_periph = periph; 255 256 periph->periph_dev = &cd->sc_dev; 257 periph->periph_switch = &cd_switch; 258 259 /* 260 * Increase our openings to the maximum-per-periph 261 * supported by the adapter. This will either be 262 * clamped down or grown by the adapter if necessary. 263 */ 264 periph->periph_openings = 265 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 266 periph->periph_flags |= PERIPH_GROW_OPENINGS; 267 268 /* 269 * Initialize and attach the disk structure. 270 */ 271 cd->sc_dk.dk_driver = &cddkdriver; 272 cd->sc_dk.dk_name = cd->sc_dev.dv_xname; 273 disk_attach(&cd->sc_dk); 274 275 printf("\n"); 276 277#if NRND > 0 278 rnd_attach_source(&cd->rnd_source, cd->sc_dev.dv_xname, 279 RND_TYPE_DISK, 0); 280#endif 281} 282 283static int 284cdactivate(struct device *self, enum devact act) 285{ 286 int rv = 0; 287 288 switch (act) { 289 case DVACT_ACTIVATE: 290 rv = EOPNOTSUPP; 291 break; 292 293 case DVACT_DEACTIVATE: 294 /* 295 * Nothing to do; we key off the device's DVF_ACTIVE. 296 */ 297 break; 298 } 299 return (rv); 300} 301 302static int 303cddetach(struct device *self, int flags) 304{ 305 struct cd_softc *cd = (struct cd_softc *) self; 306 int s, bmaj, cmaj, i, mn; 307 308 /* locate the major number */ 309 bmaj = bdevsw_lookup_major(&cd_bdevsw); 310 cmaj = cdevsw_lookup_major(&cd_cdevsw); 311 312 /* Nuke the vnodes for any open instances */ 313 for (i = 0; i < MAXPARTITIONS; i++) { 314 mn = CDMINOR(self->dv_unit, i); 315 vdevgone(bmaj, mn, mn, VBLK); 316 vdevgone(cmaj, mn, mn, VCHR); 317 } 318 319 /* kill any pending restart */ 320 callout_stop(&cd->sc_callout); 321 322 s = splbio(); 323 324 /* Kill off any queued buffers. */ 325 bufq_drain(cd->buf_queue); 326 327 bufq_free(cd->buf_queue); 328 329 /* Kill off any pending commands. */ 330 scsipi_kill_pending(cd->sc_periph); 331 332 splx(s); 333 334 lockmgr(&cd->sc_lock, LK_DRAIN, 0); 335 336 /* Detach from the disk list. */ 337 disk_detach(&cd->sc_dk); 338 339#if 0 340 /* Get rid of the shutdown hook. */ 341 if (cd->sc_sdhook != NULL) 342 shutdownhook_disestablish(cd->sc_sdhook); 343#endif 344 345#if NRND > 0 346 /* Unhook the entropy source. */ 347 rnd_detach_source(&cd->rnd_source); 348#endif 349 350 return (0); 351} 352 353/* 354 * open the device. Make sure the partition info is a up-to-date as can be. 355 */ 356static int 357cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 358{ 359 struct cd_softc *cd; 360 struct scsipi_periph *periph; 361 struct scsipi_adapter *adapt; 362 int unit, part; 363 int error; 364 int rawpart; 365 366 unit = CDUNIT(dev); 367 if (unit >= cd_cd.cd_ndevs) 368 return (ENXIO); 369 cd = cd_cd.cd_devs[unit]; 370 if (cd == NULL) 371 return (ENXIO); 372 373 periph = cd->sc_periph; 374 adapt = periph->periph_channel->chan_adapter; 375 part = CDPART(dev); 376 377 SC_DEBUG(periph, SCSIPI_DB1, 378 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, 379 cd_cd.cd_ndevs, CDPART(dev))); 380 381 /* 382 * If this is the first open of this device, add a reference 383 * to the adapter. 384 */ 385 if (cd->sc_dk.dk_openmask == 0 && 386 (error = scsipi_adapter_addref(adapt)) != 0) 387 return (error); 388 389 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 390 goto bad4; 391 392 rawpart = (part == RAW_PART && fmt == S_IFCHR); 393 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 394 /* 395 * If any partition is open, but the disk has been invalidated, 396 * disallow further opens. 397 */ 398 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 399 !rawpart) { 400 error = EIO; 401 goto bad3; 402 } 403 } else { 404 int silent; 405 406 if (rawpart) 407 silent = XS_CTL_SILENT; 408 else 409 silent = 0; 410 411 /* Check that it is still responding and ok. */ 412 error = scsipi_test_unit_ready(periph, 413 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 414 silent); 415 416 /* 417 * Start the pack spinning if necessary. Always allow the 418 * raw parition to be opened, for raw IOCTLs. Data transfers 419 * will check for SDEV_MEDIA_LOADED. 420 */ 421 if (error == EIO) { 422 int error2; 423 424 error2 = scsipi_start(periph, SSS_START, silent); 425 switch (error2) { 426 case 0: 427 error = 0; 428 break; 429 case EIO: 430 case EINVAL: 431 break; 432 default: 433 error = error2; 434 break; 435 } 436 } 437 if (error) { 438 if (rawpart) 439 goto out; 440 goto bad3; 441 } 442 443 periph->periph_flags |= PERIPH_OPEN; 444 445 /* Lock the pack in. */ 446 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 447 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 448 SC_DEBUG(periph, SCSIPI_DB1, 449 ("cdopen: scsipi_prevent, error=%d\n", error)); 450 if (error) { 451 if (rawpart) 452 goto out; 453 goto bad; 454 } 455 456 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 457 /* Load the physical device parameters. */ 458 if (cd_get_parms(cd, 0) != 0) { 459 if (rawpart) 460 goto out; 461 error = ENXIO; 462 goto bad; 463 } 464 periph->periph_flags |= PERIPH_MEDIA_LOADED; 465 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 466 467 /* Fabricate a disk label. */ 468 cdgetdisklabel(cd); 469 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 470 } 471 } 472 473 /* Check that the partition exists. */ 474 if (part != RAW_PART && 475 (part >= cd->sc_dk.dk_label->d_npartitions || 476 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 477 error = ENXIO; 478 goto bad; 479 } 480 481out: /* Insure only one open at a time. */ 482 switch (fmt) { 483 case S_IFCHR: 484 cd->sc_dk.dk_copenmask |= (1 << part); 485 break; 486 case S_IFBLK: 487 cd->sc_dk.dk_bopenmask |= (1 << part); 488 break; 489 } 490 cd->sc_dk.dk_openmask = 491 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 492 493 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 494 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 495 return (0); 496 497 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 498 499bad: 500 if (cd->sc_dk.dk_openmask == 0) { 501 scsipi_prevent(periph, SPAMR_ALLOW, 502 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 503 periph->periph_flags &= ~PERIPH_OPEN; 504 } 505 506bad3: 507 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 508bad4: 509 if (cd->sc_dk.dk_openmask == 0) 510 scsipi_adapter_delref(adapt); 511 return (error); 512} 513 514/* 515 * close the device.. only called if we are the LAST 516 * occurence of an open device 517 */ 518static int 519cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 520{ 521 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 522 struct scsipi_periph *periph = cd->sc_periph; 523 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 524 int part = CDPART(dev); 525 int error; 526 527 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 528 return (error); 529 530 switch (fmt) { 531 case S_IFCHR: 532 cd->sc_dk.dk_copenmask &= ~(1 << part); 533 break; 534 case S_IFBLK: 535 cd->sc_dk.dk_bopenmask &= ~(1 << part); 536 break; 537 } 538 cd->sc_dk.dk_openmask = 539 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 540 541 if (cd->sc_dk.dk_openmask == 0) { 542 scsipi_wait_drain(periph); 543 544 scsipi_prevent(periph, SPAMR_ALLOW, 545 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 546 XS_CTL_IGNORE_NOT_READY); 547 periph->periph_flags &= ~PERIPH_OPEN; 548 549 scsipi_wait_drain(periph); 550 551 scsipi_adapter_delref(adapt); 552 } 553 554 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 555 return (0); 556} 557 558/* 559 * Actually translate the requested transfer into one the physical driver can 560 * understand. The transfer is described by a buf and will include only one 561 * physical transfer. 562 */ 563static void 564cdstrategy(struct buf *bp) 565{ 566 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 567 struct disklabel *lp; 568 struct scsipi_periph *periph = cd->sc_periph; 569 daddr_t blkno; 570 int s; 571 572 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 573 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 574 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 575 /* 576 * If the device has been made invalid, error out 577 * maybe the media changed 578 */ 579 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 580 if (periph->periph_flags & PERIPH_OPEN) 581 bp->b_error = EIO; 582 else 583 bp->b_error = ENODEV; 584 goto bad; 585 } 586 587 lp = cd->sc_dk.dk_label; 588 589 /* 590 * The transfer must be a whole number of blocks, offset must not 591 * be negative. 592 */ 593 if ((bp->b_bcount % lp->d_secsize) != 0 || 594 bp->b_blkno < 0 ) { 595 bp->b_error = EINVAL; 596 goto bad; 597 } 598 /* 599 * If it's a null transfer, return immediately 600 */ 601 if (bp->b_bcount == 0) 602 goto done; 603 604 /* 605 * Do bounds checking, adjust transfer. if error, process. 606 * If end of partition, just return. 607 */ 608 if (CDPART(bp->b_dev) == RAW_PART) { 609 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 610 cd->params.disksize512) <= 0) 611 goto done; 612 } else { 613 if (bounds_check_with_label(&cd->sc_dk, bp, 614 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 615 goto done; 616 } 617 618 /* 619 * Now convert the block number to absolute and put it in 620 * terms of the device's logical block size. 621 */ 622 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 623 if (CDPART(bp->b_dev) != RAW_PART) 624 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 625 626 bp->b_rawblkno = blkno; 627 628 /* 629 * If the disklabel sector size does not match the device 630 * sector size we may need to do some extra work. 631 */ 632 if (lp->d_secsize != cd->params.blksize) { 633 634 /* 635 * If the xfer is not a multiple of the device block size 636 * or it is not block aligned, we need to bounce it. 637 */ 638 if ((bp->b_bcount % cd->params.blksize) != 0 || 639 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 640 struct buf *nbp; 641 void *bounce = NULL; 642 long count; 643 644 if ((bp->b_flags & B_READ) == 0) { 645 646 /* XXXX We don't support bouncing writes. */ 647 bp->b_error = EACCES; 648 goto bad; 649 } 650 count = ((blkno * lp->d_secsize) % cd->params.blksize); 651 /* XXX Store starting offset in bp->b_rawblkno */ 652 bp->b_rawblkno = count; 653 654 count += bp->b_bcount; 655 count = roundup(count, cd->params.blksize); 656 657 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 658 nbp = getiobuf_nowait(); 659 if (!nbp) { 660 /* No memory -- fail the iop. */ 661 bp->b_error = ENOMEM; 662 goto bad; 663 } 664 bounce = malloc(count, M_DEVBUF, M_NOWAIT); 665 if (!bounce) { 666 /* No memory -- fail the iop. */ 667 putiobuf(nbp); 668 bp->b_error = ENOMEM; 669 goto bad; 670 } 671 672 /* Set up the IOP to the bounce buffer. */ 673 nbp->b_error = 0; 674 nbp->b_proc = bp->b_proc; 675 nbp->b_vp = NULLVP; 676 677 nbp->b_bcount = count; 678 nbp->b_bufsize = count; 679 nbp->b_data = bounce; 680 681 nbp->b_rawblkno = blkno; 682 683 /* We need to do a read-modify-write operation */ 684 nbp->b_flags = bp->b_flags | B_READ | B_CALL; 685 nbp->b_iodone = cdbounce; 686 687 /* Put ptr to orig buf in b_private and use new buf */ 688 nbp->b_private = bp; 689 690 BIO_COPYPRIO(nbp, bp); 691 692 bp = nbp; 693 694 } else { 695 /* Xfer is aligned -- just adjust the start block */ 696 bp->b_rawblkno = (blkno * lp->d_secsize) / 697 cd->params.blksize; 698 } 699 } 700 s = splbio(); 701 702 /* 703 * Place it in the queue of disk activities for this disk. 704 * 705 * XXX Only do disksort() if the current operating mode does not 706 * XXX include tagged queueing. 707 */ 708 BUFQ_PUT(cd->buf_queue, bp); 709 710 /* 711 * Tell the device to get going on the transfer if it's 712 * not doing anything, otherwise just wait for completion 713 */ 714 cdstart(cd->sc_periph); 715 716 splx(s); 717 return; 718 719bad: 720 bp->b_flags |= B_ERROR; 721done: 722 /* 723 * Correctly set the buf to indicate a completed xfer 724 */ 725 bp->b_resid = bp->b_bcount; 726 biodone(bp); 727} 728 729/* 730 * cdstart looks to see if there is a buf waiting for the device 731 * and that the device is not already busy. If both are true, 732 * It deques the buf and creates a scsi command to perform the 733 * transfer in the buf. The transfer request will call scsipi_done 734 * on completion, which will in turn call this routine again 735 * so that the next queued transfer is performed. 736 * The bufs are queued by the strategy routine (cdstrategy) 737 * 738 * This routine is also called after other non-queued requests 739 * have been made of the scsi driver, to ensure that the queue 740 * continues to be drained. 741 * 742 * must be called at the correct (highish) spl level 743 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 744 */ 745static void 746cdstart(struct scsipi_periph *periph) 747{ 748 struct cd_softc *cd = (void *)periph->periph_dev; 749 struct buf *bp = 0; 750 struct scsipi_rw_10 cmd_big; 751 struct scsi_rw_6 cmd_small; 752 struct scsipi_generic *cmdp; 753 struct scsipi_xfer *xs; 754 int flags, nblks, cmdlen, error; 755 756 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 757 /* 758 * Check if the device has room for another command 759 */ 760 while (periph->periph_active < periph->periph_openings) { 761 /* 762 * there is excess capacity, but a special waits 763 * It'll need the adapter as soon as we clear out of the 764 * way and let it run (user level wait). 765 */ 766 if (periph->periph_flags & PERIPH_WAITING) { 767 periph->periph_flags &= ~PERIPH_WAITING; 768 wakeup((caddr_t)periph); 769 return; 770 } 771 772 /* 773 * If the device has become invalid, abort all the 774 * reads and writes until all files have been closed and 775 * re-opened 776 */ 777 if (__predict_false( 778 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 779 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 780 bp->b_error = EIO; 781 bp->b_flags |= B_ERROR; 782 bp->b_resid = bp->b_bcount; 783 biodone(bp); 784 continue; 785 } else { 786 return; 787 } 788 } 789 790 /* 791 * See if there is a buf with work for us to do.. 792 */ 793 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 794 return; 795 796 /* 797 * We have a buf, now we should make a command. 798 */ 799 800 nblks = howmany(bp->b_bcount, cd->params.blksize); 801 802 /* 803 * Fill out the scsi command. If the transfer will 804 * fit in a "small" cdb, use it. 805 */ 806 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 807 ((nblks & 0xff) == nblks) && 808 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 809 /* 810 * We can fit in a small cdb. 811 */ 812 memset(&cmd_small, 0, sizeof(cmd_small)); 813 cmd_small.opcode = (bp->b_flags & B_READ) ? 814 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 815 _lto3b(bp->b_rawblkno, cmd_small.addr); 816 cmd_small.length = nblks & 0xff; 817 cmdlen = sizeof(cmd_small); 818 cmdp = (struct scsipi_generic *)&cmd_small; 819 } else { 820 /* 821 * Need a large cdb. 822 */ 823 memset(&cmd_big, 0, sizeof(cmd_big)); 824 cmd_big.opcode = (bp->b_flags & B_READ) ? 825 READ_10 : WRITE_10; 826 _lto4b(bp->b_rawblkno, cmd_big.addr); 827 _lto2b(nblks, cmd_big.length); 828 cmdlen = sizeof(cmd_big); 829 cmdp = (struct scsipi_generic *)&cmd_big; 830 } 831 832 /* Instrumentation. */ 833 disk_busy(&cd->sc_dk); 834 835 /* 836 * Figure out what flags to use. 837 */ 838 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 839 if (bp->b_flags & B_READ) 840 flags |= XS_CTL_DATA_IN; 841 else 842 flags |= XS_CTL_DATA_OUT; 843 844 /* 845 * Call the routine that chats with the adapter. 846 * Note: we cannot sleep as we may be an interrupt 847 */ 848 xs = scsipi_make_xs(periph, cmdp, cmdlen, 849 (u_char *)bp->b_data, bp->b_bcount, 850 CDRETRIES, 30000, bp, flags); 851 if (__predict_false(xs == NULL)) { 852 /* 853 * out of memory. Keep this buffer in the queue, and 854 * retry later. 855 */ 856 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 857 periph); 858 return; 859 } 860 /* 861 * need to dequeue the buffer before queuing the command, 862 * because cdstart may be called recursively from the 863 * HBA driver 864 */ 865#ifdef DIAGNOSTIC 866 if (BUFQ_GET(cd->buf_queue) != bp) 867 panic("cdstart(): dequeued wrong buf"); 868#else 869 BUFQ_GET(cd->buf_queue); 870#endif 871 error = scsipi_execute_xs(xs); 872 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 873 KASSERT(error == 0); 874 } 875} 876 877static void 878cdrestart(void *v) 879{ 880 int s = splbio(); 881 cdstart((struct scsipi_periph *)v); 882 splx(s); 883} 884 885static void 886cddone(struct scsipi_xfer *xs, int error) 887{ 888 struct cd_softc *cd = (void *)xs->xs_periph->periph_dev; 889 struct buf *bp = xs->bp; 890 891 if (bp) { 892 bp->b_error = error; 893 bp->b_resid = xs->resid; 894 if (error) 895 bp->b_flags |= B_ERROR; 896 897 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 898 (bp->b_flags & B_READ)); 899#if NRND > 0 900 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 901#endif 902 903 biodone(bp); 904 } 905} 906 907static void 908cdbounce(struct buf *bp) 909{ 910 struct buf *obp = (struct buf *)bp->b_private; 911 912 if (bp->b_flags & B_ERROR) { 913 /* EEK propagate the error and free the memory */ 914 goto done; 915 } 916 if (obp->b_flags & B_READ) { 917 /* Copy data to the final destination and free the buf. */ 918 memcpy(obp->b_data, bp->b_data+obp->b_rawblkno, 919 obp->b_bcount); 920 } else { 921 /* 922 * XXXX This is a CD-ROM -- READ ONLY -- why do we bother with 923 * XXXX any of this write stuff? 924 */ 925 if (bp->b_flags & B_READ) { 926 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 927 struct buf *nbp; 928 int s; 929 930 /* Read part of RMW complete. */ 931 memcpy(bp->b_data+obp->b_rawblkno, obp->b_data, 932 obp->b_bcount); 933 934 /* We need to alloc a new buf. */ 935 nbp = getiobuf_nowait(); 936 if (!nbp) { 937 /* No buf available. */ 938 bp->b_flags |= B_ERROR; 939 bp->b_error = ENOMEM; 940 bp->b_resid = bp->b_bcount; 941 goto done; 942 } 943 944 /* Set up the IOP to the bounce buffer. */ 945 nbp->b_error = 0; 946 nbp->b_proc = bp->b_proc; 947 nbp->b_vp = NULLVP; 948 949 nbp->b_bcount = bp->b_bcount; 950 nbp->b_bufsize = bp->b_bufsize; 951 nbp->b_data = bp->b_data; 952 953 nbp->b_rawblkno = bp->b_rawblkno; 954 955 /* We need to do a read-modify-write operation */ 956 nbp->b_flags = obp->b_flags | B_CALL; 957 nbp->b_iodone = cdbounce; 958 959 /* Put ptr to orig buf in b_private and use new buf */ 960 nbp->b_private = obp; 961 962 s = splbio(); 963 /* 964 * Place it in the queue of disk activities for this 965 * disk. 966 * 967 * XXX Only do disksort() if the current operating mode 968 * XXX does not include tagged queueing. 969 */ 970 BUFQ_PUT(cd->buf_queue, nbp); 971 972 /* 973 * Tell the device to get going on the transfer if it's 974 * not doing anything, otherwise just wait for 975 * completion 976 */ 977 cdstart(cd->sc_periph); 978 979 splx(s); 980 return; 981 982 } 983 } 984done: 985 obp->b_flags |= bp->b_flags & B_ERROR; 986 obp->b_error = bp->b_error; 987 obp->b_resid = bp->b_resid; 988 free(bp->b_data, M_DEVBUF); 989 biodone(obp); 990} 991 992static int 993cd_interpret_sense(struct scsipi_xfer *xs) 994{ 995 struct scsipi_periph *periph = xs->xs_periph; 996 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 997 int retval = EJUSTRETURN; 998 999 /* 1000 * If it isn't a extended or extended/deferred error, let 1001 * the generic code handle it. 1002 */ 1003 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1004 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1005 return (retval); 1006 1007 /* 1008 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1009 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1010 * wait a bit for the drive to spin up 1011 */ 1012 1013 if (SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY && 1014 sense->asc == 0x4 && 1015 sense->ascq == 0x01) { 1016 /* 1017 * Sleep for 5 seconds to wait for the drive to spin up 1018 */ 1019 1020 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1021 "spinup\n")); 1022 if (!callout_pending(&periph->periph_callout)) 1023 scsipi_periph_freeze(periph, 1); 1024 callout_reset(&periph->periph_callout, 1025 5 * hz, scsipi_periph_timed_thaw, periph); 1026 retval = ERESTART; 1027 } 1028 return (retval); 1029} 1030 1031static void 1032cdminphys(struct buf *bp) 1033{ 1034 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 1035 long xmax; 1036 1037 /* 1038 * If the device is ancient, we want to make sure that 1039 * the transfer fits into a 6-byte cdb. 1040 * 1041 * XXX Note that the SCSI-I spec says that 256-block transfers 1042 * are allowed in a 6-byte read/write, and are specified 1043 * by settng the "length" to 0. However, we're conservative 1044 * here, allowing only 255-block transfers in case an 1045 * ancient device gets confused by length == 0. A length of 0 1046 * in a 10-byte read/write actually means 0 blocks. 1047 */ 1048 if (cd->flags & CDF_ANCIENT) { 1049 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1050 1051 if (bp->b_bcount > xmax) 1052 bp->b_bcount = xmax; 1053 } 1054 1055 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1056} 1057 1058static int 1059cdread(dev_t dev, struct uio *uio, int ioflag) 1060{ 1061 1062 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1063} 1064 1065static int 1066cdwrite(dev_t dev, struct uio *uio, int ioflag) 1067{ 1068 1069 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1070} 1071 1072#if 0 /* XXX Not used */ 1073/* 1074 * conversion between minute-seconde-frame and logical block address 1075 * addresses format 1076 */ 1077static void 1078lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1079{ 1080 u_long tmp; 1081 1082 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1083 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1084 *m = tmp / (CD_SECS * CD_FRAMES); 1085 tmp %= (CD_SECS * CD_FRAMES); 1086 *s = tmp / CD_FRAMES; 1087 *f = tmp % CD_FRAMES; 1088} 1089#endif /* XXX Not used */ 1090 1091/* 1092 * Convert an hour:minute:second:frame address to a logical block adres. In 1093 * theory the number of secs/minute and number of frames/second could be 1094 * configured differently in the device as could the block offset but in 1095 * practice these values are rock solid and most drives don't even allow 1096 * theses values to be changed. 1097 */ 1098static uint32_t 1099hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1100{ 1101 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1102 - CD_BLOCK_OFFSET; 1103} 1104 1105static int 1106cdreadmsaddr(struct cd_softc *cd, int *addr) 1107{ 1108 struct scsipi_periph *periph = cd->sc_periph; 1109 int error; 1110 struct cd_formatted_toc toc; 1111 struct cd_toc_entry *cte; 1112 1113 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, &toc, 1114 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1115 XS_CTL_DATA_ONSTACK, 1116 0x40 /* control word for "get MS info" */); 1117 1118 if (error) 1119 return (error); 1120 1121 cte = &toc.entries[0]; 1122 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1123 cte->addr.lba = le32toh(cte->addr.lba); 1124 toc.header.len = le16toh(toc.header.len); 1125 } else { 1126 cte->addr.lba = be32toh(cte->addr.lba); 1127 toc.header.len = be16toh(toc.header.len); 1128 } 1129 1130 *addr = (toc.header.len >= 10 && cte->track > 1) ? 1131 cte->addr.lba : 0; 1132 return 0; 1133} 1134 1135/* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1136static int 1137cdcachesync(struct scsipi_periph *periph, int flags) { 1138 struct scsi_synchronize_cache_10 cmd; 1139 1140 /* 1141 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1142 * and length 0 as it can't synchronise parts of the disc per spec. 1143 * We ignore ILLEGAL REQUEST in the event that the command is not 1144 * supported by the device, and poll for completion so that we know 1145 * that the cache has actually been flushed. 1146 * 1147 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1148 */ 1149 1150 memset(&cmd, 0, sizeof(cmd)); 1151 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1152 1153 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1154 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1155} 1156 1157/* 1158 * Perform special action on behalf of the user. 1159 * Knows about the internals of this device 1160 */ 1161static int 1162cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct lwp *l) 1163{ 1164 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 1165 struct scsipi_periph *periph = cd->sc_periph; 1166 int part = CDPART(dev); 1167 int error = 0; 1168#ifdef __HAVE_OLD_DISKLABEL 1169 struct disklabel *newlabel = NULL; 1170#endif 1171 1172 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1173 1174 /* 1175 * If the device is not valid, some IOCTLs can still be 1176 * handled on the raw partition. Check this here. 1177 */ 1178 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1179 switch (cmd) { 1180 case DIOCWLABEL: 1181 case DIOCLOCK: 1182 case ODIOCEJECT: 1183 case DIOCEJECT: 1184 case DIOCCACHESYNC: 1185 case SCIOCIDENTIFY: 1186 case OSCIOCIDENTIFY: 1187 case SCIOCCOMMAND: 1188 case SCIOCDEBUG: 1189 case CDIOCGETVOL: 1190 case CDIOCSETVOL: 1191 case CDIOCSETMONO: 1192 case CDIOCSETSTEREO: 1193 case CDIOCSETMUTE: 1194 case CDIOCSETLEFT: 1195 case CDIOCSETRIGHT: 1196 case CDIOCCLOSE: 1197 case CDIOCEJECT: 1198 case CDIOCALLOW: 1199 case CDIOCPREVENT: 1200 case CDIOCSETDEBUG: 1201 case CDIOCCLRDEBUG: 1202 case CDIOCRESET: 1203 case SCIOCRESET: 1204 case CDIOCLOADUNLOAD: 1205 case DVD_AUTH: 1206 case DVD_READ_STRUCT: 1207 if (part == RAW_PART) 1208 break; 1209 /* FALLTHROUGH */ 1210 default: 1211 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1212 return (ENODEV); 1213 else 1214 return (EIO); 1215 } 1216 } 1217 1218 switch (cmd) { 1219 case DIOCGDINFO: 1220 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1221 return (0); 1222#ifdef __HAVE_OLD_DISKLABEL 1223 case ODIOCGDINFO: 1224 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1225 if (newlabel == NULL) 1226 return (EIO); 1227 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1228 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1229 error = ENOTTY; 1230 else 1231 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1232 free(newlabel, M_TEMP); 1233 return error; 1234#endif 1235 1236 case DIOCGPART: 1237 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1238 ((struct partinfo *)addr)->part = 1239 &cd->sc_dk.dk_label->d_partitions[part]; 1240 return (0); 1241 1242 case DIOCWDINFO: 1243 case DIOCSDINFO: 1244#ifdef __HAVE_OLD_DISKLABEL 1245 case ODIOCWDINFO: 1246 case ODIOCSDINFO: 1247#endif 1248 { 1249 struct disklabel *lp; 1250 1251 if ((flag & FWRITE) == 0) 1252 return (EBADF); 1253 1254#ifdef __HAVE_OLD_DISKLABEL 1255 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1256 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1257 if (newlabel == NULL) 1258 return (EIO); 1259 memset(newlabel, 0, sizeof newlabel); 1260 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1261 lp = newlabel; 1262 } else 1263#endif 1264 lp = (struct disklabel *)addr; 1265 1266 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 1267 goto bad; 1268 cd->flags |= CDF_LABELLING; 1269 1270 error = setdisklabel(cd->sc_dk.dk_label, 1271 lp, /*cd->sc_dk.dk_openmask : */0, 1272 cd->sc_dk.dk_cpulabel); 1273 if (error == 0) { 1274 /* XXX ? */ 1275 } 1276 1277 cd->flags &= ~CDF_LABELLING; 1278 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 1279bad: 1280#ifdef __HAVE_OLD_DISKLABEL 1281 if (newlabel != NULL) 1282 free(newlabel, M_TEMP); 1283#endif 1284 return (error); 1285 } 1286 1287 case DIOCWLABEL: 1288 return (EBADF); 1289 1290 case DIOCGDEFLABEL: 1291 cdgetdefaultlabel(cd, (struct disklabel *)addr); 1292 return (0); 1293 1294#ifdef __HAVE_OLD_DISKLABEL 1295 case ODIOCGDEFLABEL: 1296 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1297 if (newlabel == NULL) 1298 return (EIO); 1299 cdgetdefaultlabel(cd, newlabel); 1300 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1301 error = ENOTTY; 1302 else 1303 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1304 free(newlabel, M_TEMP); 1305 return error; 1306#endif 1307 1308 case CDIOCPLAYTRACKS: { 1309 /* PLAY_MSF command */ 1310 struct ioc_play_track *args = (struct ioc_play_track *)addr; 1311 1312 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1313 return (error); 1314 return (cd_play_tracks(cd, args->start_track, 1315 args->start_index, args->end_track, args->end_index)); 1316 } 1317 case CDIOCPLAYMSF: { 1318 /* PLAY_MSF command */ 1319 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 1320 1321 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1322 return (error); 1323 return (cd_play_msf(cd, args->start_m, args->start_s, 1324 args->start_f, args->end_m, args->end_s, args->end_f)); 1325 } 1326 case CDIOCPLAYBLOCKS: { 1327 /* PLAY command */ 1328 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 1329 1330 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1331 return (error); 1332 return (cd_play(cd, args->blk, args->len)); 1333 } 1334 case CDIOCREADSUBCHANNEL: { 1335 /* READ_SUBCHANNEL command */ 1336 struct ioc_read_subchannel *args = 1337 (struct ioc_read_subchannel *)addr; 1338 struct cd_sub_channel_info data; 1339 u_int len = args->data_len; 1340 1341 if (len > sizeof(data) || 1342 len < sizeof(struct cd_sub_channel_header)) 1343 return (EINVAL); 1344 error = cd_read_subchannel(cd, args->address_format, 1345 args->data_format, args->track, &data, len, 1346 XS_CTL_DATA_ONSTACK); 1347 if (error) 1348 return (error); 1349 len = min(len, _2btol(data.header.data_len) + 1350 sizeof(struct cd_sub_channel_header)); 1351 return (copyout(&data, args->data, len)); 1352 } 1353 case CDIOREADTOCHEADER: { 1354 /* READ TOC format 0 command, static header */ 1355 struct ioc_toc_header th; 1356 1357 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, &th, sizeof(th), 1358 XS_CTL_DATA_ONSTACK, 0)) != 0) 1359 return (error); 1360 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1361 th.len = le16toh(th.len); 1362 else 1363 th.len = be16toh(th.len); 1364 memcpy(addr, &th, sizeof(th)); 1365 return (0); 1366 } 1367 case CDIOREADTOCENTRYS: { 1368 /* READ TOC format 0 command, entries */ 1369 struct cd_formatted_toc toc; 1370 struct ioc_read_toc_entry *te = 1371 (struct ioc_read_toc_entry *)addr; 1372 struct ioc_toc_header *th; 1373 struct cd_toc_entry *cte; 1374 u_int len = te->data_len; 1375 int ntracks; 1376 1377 th = &toc.header; 1378 1379 if (len > sizeof(toc.entries) || 1380 len < sizeof(struct cd_toc_entry)) 1381 return (EINVAL); 1382 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1383 te->starting_track, &toc, 1384 len + sizeof(struct ioc_toc_header), 1385 XS_CTL_DATA_ONSTACK, 0); 1386 if (error) 1387 return (error); 1388 if (te->address_format == CD_LBA_FORMAT) 1389 for (ntracks = 1390 th->ending_track - th->starting_track + 1; 1391 ntracks >= 0; ntracks--) { 1392 cte = &toc.entries[ntracks]; 1393 cte->addr_type = CD_LBA_FORMAT; 1394 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1395 cte->addr.lba = le32toh(cte->addr.lba); 1396 else 1397 cte->addr.lba = be32toh(cte->addr.lba); 1398 } 1399 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1400 th->len = le16toh(th->len); 1401 else 1402 th->len = be16toh(th->len); 1403 len = min(len, th->len - (sizeof(th->starting_track) + 1404 sizeof(th->ending_track))); 1405 return (copyout(toc.entries, te->data, len)); 1406 } 1407 case CDIOREADMSADDR: { 1408 /* READ TOC format 0 command, length of first track only */ 1409 int sessno = *(int*)addr; 1410 1411 if (sessno != 0) 1412 return (EINVAL); 1413 1414 return (cdreadmsaddr(cd, (int*)addr)); 1415 } 1416 case CDIOCSETPATCH: { 1417 struct ioc_patch *arg = (struct ioc_patch *)addr; 1418 1419 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1420 arg->patch[2], arg->patch[3], 0)); 1421 } 1422 case CDIOCGETVOL: { 1423 /* MODE SENSE command (AUDIO page) */ 1424 struct ioc_vol *arg = (struct ioc_vol *)addr; 1425 1426 return (cd_getvol(cd, arg, 0)); 1427 } 1428 case CDIOCSETVOL: { 1429 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1430 struct ioc_vol *arg = (struct ioc_vol *)addr; 1431 1432 return (cd_setvol(cd, arg, 0)); 1433 } 1434 case CDIOCSETMONO: 1435 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1436 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1437 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1438 1439 case CDIOCSETSTEREO: 1440 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1441 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1442 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1443 1444 case CDIOCSETMUTE: 1445 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1446 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1447 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1448 1449 case CDIOCSETLEFT: 1450 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1451 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1452 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1453 1454 case CDIOCSETRIGHT: 1455 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1456 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1457 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1458 1459 case CDIOCRESUME: 1460 /* PAUSE command */ 1461 return (cd_pause(cd, PA_RESUME)); 1462 case CDIOCPAUSE: 1463 /* PAUSE command */ 1464 return (cd_pause(cd, PA_PAUSE)); 1465 case CDIOCSTART: 1466 return (scsipi_start(periph, SSS_START, 0)); 1467 case CDIOCSTOP: 1468 return (scsipi_start(periph, SSS_STOP, 0)); 1469 case CDIOCCLOSE: 1470 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1471 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1472 case DIOCEJECT: 1473 if (*(int *)addr == 0) { 1474 /* 1475 * Don't force eject: check that we are the only 1476 * partition open. If so, unlock it. 1477 */ 1478 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1479 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1480 cd->sc_dk.dk_openmask) { 1481 error = scsipi_prevent(periph, SPAMR_ALLOW, 1482 XS_CTL_IGNORE_NOT_READY); 1483 if (error) 1484 return (error); 1485 } else { 1486 return (EBUSY); 1487 } 1488 } 1489 /* FALLTHROUGH */ 1490 case CDIOCEJECT: /* FALLTHROUGH */ 1491 case ODIOCEJECT: 1492 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1493 case DIOCCACHESYNC: 1494 /* SYNCHRONISE CACHES command */ 1495 return (cdcachesync(periph, 0)); 1496 case CDIOCALLOW: 1497 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1498 case CDIOCPREVENT: 1499 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1500 case DIOCLOCK: 1501 return (scsipi_prevent(periph, 1502 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1503 case CDIOCSETDEBUG: 1504 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1505 return (0); 1506 case CDIOCCLRDEBUG: 1507 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1508 return (0); 1509 case CDIOCRESET: 1510 case SCIOCRESET: 1511 return (cd_reset(cd)); 1512 case CDIOCLOADUNLOAD: 1513 /* LOAD_UNLOAD command */ 1514 return (cd_load_unload(cd, (struct ioc_load_unload *)addr)); 1515 case DVD_AUTH: 1516 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1517 return (dvd_auth(cd, (dvd_authinfo *)addr)); 1518 case DVD_READ_STRUCT: 1519 /* GPCMD_READ_DVD_STRUCTURE command */ 1520 return (dvd_read_struct(cd, (dvd_struct *)addr)); 1521 case MMCGETDISCINFO: 1522 /* 1523 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1524 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1525 */ 1526 1527 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1528 case MMCGETTRACKINFO: 1529 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1530 1531 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1532 default: 1533 if (part != RAW_PART) 1534 return (ENOTTY); 1535 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1536 } 1537 1538#ifdef DIAGNOSTIC 1539 panic("cdioctl: impossible"); 1540#endif 1541} 1542 1543static void 1544cdgetdefaultlabel(struct cd_softc *cd, struct disklabel *lp) 1545{ 1546 int lastsession; 1547 1548 memset(lp, 0, sizeof(struct disklabel)); 1549 1550 lp->d_secsize = cd->params.blksize; 1551 lp->d_ntracks = 1; 1552 lp->d_nsectors = 100; 1553 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1554 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1555 1556 switch (scsipi_periph_bustype(cd->sc_periph)) { 1557 case SCSIPI_BUSTYPE_SCSI: 1558 lp->d_type = DTYPE_SCSI; 1559 break; 1560 case SCSIPI_BUSTYPE_ATAPI: 1561 lp->d_type = DTYPE_ATAPI; 1562 break; 1563 } 1564 /* 1565 * XXX 1566 * We could probe the mode pages to figure out what kind of disc it is. 1567 * Is this worthwhile? 1568 */ 1569 strncpy(lp->d_typename, "mydisc", 16); 1570 strncpy(lp->d_packname, "fictitious", 16); 1571 lp->d_secperunit = cd->params.disksize; 1572 lp->d_rpm = 300; 1573 lp->d_interleave = 1; 1574 lp->d_flags = D_REMOVABLE; 1575 1576 if (cdreadmsaddr(cd, &lastsession) != 0) 1577 lastsession = 0; 1578 1579 lp->d_partitions[0].p_offset = 0; 1580#ifdef notyet /* have to fix bounds_check_with_label() first */ 1581 lp->d_partitions[0].p_size = lp->d_secperunit; 1582#else 1583 lp->d_partitions[0].p_size = 1584 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1585#endif 1586 lp->d_partitions[0].p_cdsession = lastsession; 1587 lp->d_partitions[0].p_fstype = FS_ISO9660; 1588 lp->d_partitions[RAW_PART].p_offset = 0; 1589#ifdef notyet 1590 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1591#else 1592 lp->d_partitions[RAW_PART].p_size = 1593 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1594#endif 1595 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1596 lp->d_npartitions = RAW_PART + 1; 1597 1598 lp->d_magic = DISKMAGIC; 1599 lp->d_magic2 = DISKMAGIC; 1600 lp->d_checksum = dkcksum(lp); 1601} 1602 1603/* 1604 * Load the label information on the named device 1605 * Actually fabricate a disklabel 1606 * 1607 * EVENTUALLY take information about different 1608 * data tracks from the TOC and put it in the disklabel 1609 */ 1610static void 1611cdgetdisklabel(struct cd_softc *cd) 1612{ 1613 struct disklabel *lp = cd->sc_dk.dk_label; 1614 const char *errstring; 1615 1616 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1617 1618 cdgetdefaultlabel(cd, lp); 1619 1620 /* 1621 * Call the generic disklabel extraction routine 1622 */ 1623 errstring = readdisklabel(MAKECDDEV(0, cd->sc_dev.dv_unit, RAW_PART), 1624 cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1625 1626 /* if all went OK, we are passed a NULL error string */ 1627 if (errstring == NULL) 1628 return; 1629 1630 /* Reset to default label -- after printing error and the warning */ 1631 printf("%s: %s\n", cd->sc_dev.dv_xname, errstring); 1632 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1633 cdgetdefaultlabel(cd, lp); 1634} 1635 1636/* 1637 * Reading a discs total capacity is aparently a very difficult issue for the 1638 * SCSI standardisation group. Every disc type seems to have its own 1639 * (re)invented size request method and modifiers. The failsafe way of 1640 * determining the total (max) capacity i.e. not the recorded capacity but the 1641 * total maximum capacity is to request the info on the last track and 1642 * calucate the total size. 1643 * 1644 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1645 * we count. 1646 */ 1647static int 1648read_cd_capacity(struct scsipi_periph *periph, int *blksize, u_long *size) 1649{ 1650 struct scsipi_read_cd_capacity cap_cmd; 1651 struct scsipi_read_cd_cap_data cap; 1652 struct scsipi_read_discinfo di_cmd; 1653 struct scsipi_read_discinfo_data di; 1654 struct scsipi_read_trackinfo ti_cmd; 1655 struct scsipi_read_trackinfo_data ti; 1656 uint32_t track_start, track_size; 1657 int error, flags, msb, lsb, last_track; 1658 1659 /* if the device doesn't grog capacity, return the dummies */ 1660 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1661 return 0; 1662 1663 /* first try read CD capacity for blksize and recorded size */ 1664 /* issue the cd capacity request */ 1665 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1666 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1667 cap_cmd.opcode = READ_CD_CAPACITY; 1668 1669 error = scsipi_command(periph, 1670 (void *) &cap_cmd, sizeof(cap_cmd), 1671 (void *) &cap, sizeof(cap), 1672 CDRETRIES, 30000, NULL, flags); 1673 if (error) 1674 return error; 1675 1676 /* retrieve values and sanity check them */ 1677 *blksize = _4btol(cap.length); 1678 *size = _4btol(cap.addr); 1679 1680 /* blksize is 2048 for CD, but some drives give gibberish */ 1681 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1682 *blksize = 2048; /* some drives lie ! */ 1683 1684 /* recordables have READ_DISCINFO implemented */ 1685 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1686 memset(&di_cmd, 0, sizeof(di_cmd)); 1687 di_cmd.opcode = READ_DISCINFO; 1688 _lto2b(sizeof(di), di_cmd.data_len); 1689 1690 error = scsipi_command(periph, 1691 (void *) &di_cmd, sizeof(di_cmd), 1692 (void *) &di, sizeof(di), 1693 CDRETRIES, 30000, NULL, flags); 1694 if (error == 0) { 1695 msb = di.last_track_last_session_msb; 1696 lsb = di.last_track_last_session_lsb; 1697 last_track = (msb << 8) | lsb; 1698 1699 /* request info on last track */ 1700 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1701 ti_cmd.opcode = READ_TRACKINFO; 1702 ti_cmd.addr_type = 1; /* on tracknr */ 1703 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1704 _lto2b(sizeof(ti), ti_cmd.data_len); 1705 1706 error = scsipi_command(periph, 1707 (void *) &ti_cmd, sizeof(ti_cmd), 1708 (void *) &ti, sizeof(ti), 1709 CDRETRIES, 30000, NULL, flags); 1710 if (error == 0) { 1711 track_start = _4btol(ti.track_start); 1712 track_size = _4btol(ti.track_size); 1713 1714 *size = track_start + track_size; 1715 }; 1716 }; 1717 1718 /* sanity check for size */ 1719 if (*size < 100) 1720 *size = 400000; 1721 1722 return 0; 1723} 1724 1725/* 1726 * Find out from the device what it's capacity is 1727 */ 1728static u_long 1729cd_size(struct cd_softc *cd, int flags) 1730{ 1731 int blksize; 1732 u_long size; 1733 int error; 1734 1735 /* set up fake values */ 1736 blksize = 2048; 1737 size = 400000; 1738 1739 /* if this function bounces with an error return fake value */ 1740 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1741 if (error) 1742 return size; 1743 1744 if (blksize != 2048) { 1745 if (cd_setblksize(cd) == 0) 1746 blksize = 2048; 1747 } 1748 cd->params.blksize = blksize; 1749 cd->params.disksize = size-1; /* disklabel is exclusive */ 1750 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1751 1752 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1753 ("cd_size: %d %ld\n", blksize, size)); 1754 1755 return size; 1756} 1757 1758/* 1759 * Get scsi driver to send a "start playing" command 1760 */ 1761static int 1762cd_play(struct cd_softc *cd, int blkno, int nblks) 1763{ 1764 struct scsipi_play cmd; 1765 1766 memset(&cmd, 0, sizeof(cmd)); 1767 cmd.opcode = PLAY; 1768 _lto4b(blkno, cmd.blk_addr); 1769 _lto2b(nblks, cmd.xfer_len); 1770 1771 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1772 CDRETRIES, 30000, NULL, 0)); 1773} 1774 1775/* 1776 * Get scsi driver to send a "start playing" command 1777 */ 1778static int 1779cd_play_tracks(struct cd_softc *cd, int strack, int sindex, int etrack, 1780 int eindex) 1781{ 1782 struct cd_formatted_toc toc; 1783 int error; 1784 1785 if (!etrack) 1786 return (EIO); 1787 if (strack > etrack) 1788 return (EINVAL); 1789 1790 error = cd_load_toc(cd, CD_TOC_FORM, &toc, XS_CTL_DATA_ONSTACK); 1791 if (error) 1792 return (error); 1793 1794 if (++etrack > (toc.header.ending_track+1)) 1795 etrack = toc.header.ending_track+1; 1796 1797 strack -= toc.header.starting_track; 1798 etrack -= toc.header.starting_track; 1799 if (strack < 0) 1800 return (EINVAL); 1801 1802 return (cd_play_msf(cd, toc.entries[strack].addr.msf.minute, 1803 toc.entries[strack].addr.msf.second, 1804 toc.entries[strack].addr.msf.frame, 1805 toc.entries[etrack].addr.msf.minute, 1806 toc.entries[etrack].addr.msf.second, 1807 toc.entries[etrack].addr.msf.frame)); 1808} 1809 1810/* 1811 * Get scsi driver to send a "play msf" command 1812 */ 1813static int 1814cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1815 int ends, int endf) 1816{ 1817 struct scsipi_play_msf cmd; 1818 1819 memset(&cmd, 0, sizeof(cmd)); 1820 cmd.opcode = PLAY_MSF; 1821 cmd.start_m = startm; 1822 cmd.start_s = starts; 1823 cmd.start_f = startf; 1824 cmd.end_m = endm; 1825 cmd.end_s = ends; 1826 cmd.end_f = endf; 1827 1828 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1829 CDRETRIES, 30000, NULL, 0)); 1830} 1831 1832/* 1833 * Get scsi driver to send a "start up" command 1834 */ 1835static int 1836cd_pause(struct cd_softc *cd, int go) 1837{ 1838 struct scsipi_pause cmd; 1839 1840 memset(&cmd, 0, sizeof(cmd)); 1841 cmd.opcode = PAUSE; 1842 cmd.resume = go & 0xff; 1843 1844 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1845 CDRETRIES, 30000, NULL, 0)); 1846} 1847 1848/* 1849 * Get scsi driver to send a "RESET" command 1850 */ 1851static int 1852cd_reset(struct cd_softc *cd) 1853{ 1854 1855 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1856 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1857} 1858 1859/* 1860 * Read subchannel 1861 */ 1862static int 1863cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1864 struct cd_sub_channel_info *data, int len, int flags) 1865{ 1866 struct scsipi_read_subchannel cmd; 1867 1868 memset(&cmd, 0, sizeof(cmd)); 1869 cmd.opcode = READ_SUBCHANNEL; 1870 if (mode == CD_MSF_FORMAT) 1871 cmd.byte2 |= CD_MSF; 1872 cmd.byte3 = SRS_SUBQ; 1873 cmd.subchan_format = format; 1874 cmd.track = track; 1875 _lto2b(len, cmd.data_len); 1876 1877 return (scsipi_command(cd->sc_periph, 1878 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1879 (void *)data, len, 1880 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1881} 1882 1883/* 1884 * Read table of contents 1885 */ 1886static int 1887cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, void *data, int len, 1888 int flags, int control) 1889{ 1890 struct scsipi_read_toc cmd; 1891 int ntoc; 1892 1893 memset(&cmd, 0, sizeof(cmd)); 1894#if 0 1895 if (len != sizeof(struct ioc_toc_header)) 1896 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1897 sizeof(struct cd_toc_entry); 1898 else 1899#endif 1900 ntoc = len; 1901 cmd.opcode = READ_TOC; 1902 if (mode == CD_MSF_FORMAT) 1903 cmd.addr_mode |= CD_MSF; 1904 cmd.resp_format = respf; 1905 cmd.from_track = start; 1906 _lto2b(ntoc, cmd.data_len); 1907 cmd.control = control; 1908 1909 return (scsipi_command(cd->sc_periph, 1910 (void *)&cmd, sizeof(cmd), (void *)data, len, CDRETRIES, 1911 30000, NULL, flags | XS_CTL_DATA_IN)); 1912} 1913 1914static int 1915cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1916{ 1917 int ntracks, len, error; 1918 1919 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1920 flags, 0)) != 0) 1921 return (error); 1922 1923 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1924 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1925 sizeof(toc->header); 1926 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1927 flags, 0)) != 0) 1928 return (error); 1929 return (0); 1930} 1931 1932/* 1933 * Get the scsi driver to send a full inquiry to the device and use the 1934 * results to fill out the disk parameter structure. 1935 */ 1936static int 1937cd_get_parms(struct cd_softc *cd, int flags) 1938{ 1939 1940 /* 1941 * give a number of sectors so that sec * trks * cyls 1942 * is <= disk_size 1943 */ 1944 if (cd_size(cd, flags) == 0) 1945 return (ENXIO); 1946 return (0); 1947} 1948 1949static int 1950cdsize(dev_t dev) 1951{ 1952 1953 /* CD-ROMs are read-only. */ 1954 return (-1); 1955} 1956 1957static int 1958cddump(dev_t dev, daddr_t blkno, caddr_t va, size_t size) 1959{ 1960 1961 /* Not implemented. */ 1962 return (ENXIO); 1963} 1964 1965#define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1966#define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1967 1968static int 1969dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 1970{ 1971 struct scsipi_generic cmd; 1972 u_int8_t bf[20]; 1973 int error; 1974 1975 memset(cmd.bytes, 0, 15); 1976 memset(bf, 0, sizeof(bf)); 1977 1978 switch (a->type) { 1979 case DVD_LU_SEND_AGID: 1980 cmd.opcode = GPCMD_REPORT_KEY; 1981 cmd.bytes[8] = 8; 1982 cmd.bytes[9] = 0 | (0 << 6); 1983 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1984 CDRETRIES, 30000, NULL, 1985 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1986 if (error) 1987 return (error); 1988 a->lsa.agid = bf[7] >> 6; 1989 return (0); 1990 1991 case DVD_LU_SEND_CHALLENGE: 1992 cmd.opcode = GPCMD_REPORT_KEY; 1993 cmd.bytes[8] = 16; 1994 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1995 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1996 CDRETRIES, 30000, NULL, 1997 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1998 if (error) 1999 return (error); 2000 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2001 return (0); 2002 2003 case DVD_LU_SEND_KEY1: 2004 cmd.opcode = GPCMD_REPORT_KEY; 2005 cmd.bytes[8] = 12; 2006 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2007 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2008 CDRETRIES, 30000, NULL, 2009 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2010 if (error) 2011 return (error); 2012 dvd_copy_key(a->lsk.key, &bf[4]); 2013 return (0); 2014 2015 case DVD_LU_SEND_TITLE_KEY: 2016 cmd.opcode = GPCMD_REPORT_KEY; 2017 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2018 cmd.bytes[8] = 12; 2019 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2020 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2021 CDRETRIES, 30000, NULL, 2022 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2023 if (error) 2024 return (error); 2025 a->lstk.cpm = (bf[4] >> 7) & 1; 2026 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2027 a->lstk.cgms = (bf[4] >> 4) & 3; 2028 dvd_copy_key(a->lstk.title_key, &bf[5]); 2029 return (0); 2030 2031 case DVD_LU_SEND_ASF: 2032 cmd.opcode = GPCMD_REPORT_KEY; 2033 cmd.bytes[8] = 8; 2034 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2035 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2036 CDRETRIES, 30000, NULL, 2037 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2038 if (error) 2039 return (error); 2040 a->lsasf.asf = bf[7] & 1; 2041 return (0); 2042 2043 case DVD_HOST_SEND_CHALLENGE: 2044 cmd.opcode = GPCMD_SEND_KEY; 2045 cmd.bytes[8] = 16; 2046 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2047 bf[1] = 14; 2048 dvd_copy_challenge(&bf[4], a->hsc.chal); 2049 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2050 CDRETRIES, 30000, NULL, 2051 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2052 if (error) 2053 return (error); 2054 a->type = DVD_LU_SEND_KEY1; 2055 return (0); 2056 2057 case DVD_HOST_SEND_KEY2: 2058 cmd.opcode = GPCMD_SEND_KEY; 2059 cmd.bytes[8] = 12; 2060 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2061 bf[1] = 10; 2062 dvd_copy_key(&bf[4], a->hsk.key); 2063 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2064 CDRETRIES, 30000, NULL, 2065 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2066 if (error) { 2067 a->type = DVD_AUTH_FAILURE; 2068 return (error); 2069 } 2070 a->type = DVD_AUTH_ESTABLISHED; 2071 return (0); 2072 2073 case DVD_INVALIDATE_AGID: 2074 cmd.opcode = GPCMD_REPORT_KEY; 2075 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2076 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2077 CDRETRIES, 30000, NULL, 0); 2078 if (error) 2079 return (error); 2080 return (0); 2081 2082 case DVD_LU_SEND_RPC_STATE: 2083 cmd.opcode = GPCMD_REPORT_KEY; 2084 cmd.bytes[8] = 8; 2085 cmd.bytes[9] = 8 | (0 << 6); 2086 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2087 CDRETRIES, 30000, NULL, 2088 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2089 if (error) 2090 return (error); 2091 a->lrpcs.type = (bf[4] >> 6) & 3; 2092 a->lrpcs.vra = (bf[4] >> 3) & 7; 2093 a->lrpcs.ucca = (bf[4]) & 7; 2094 a->lrpcs.region_mask = bf[5]; 2095 a->lrpcs.rpc_scheme = bf[6]; 2096 return (0); 2097 2098 case DVD_HOST_SEND_RPC_STATE: 2099 cmd.opcode = GPCMD_SEND_KEY; 2100 cmd.bytes[8] = 8; 2101 cmd.bytes[9] = 6 | (0 << 6); 2102 bf[1] = 6; 2103 bf[4] = a->hrpcs.pdrc; 2104 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2105 CDRETRIES, 30000, NULL, 2106 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2107 if (error) 2108 return (error); 2109 return (0); 2110 2111 default: 2112 return (ENOTTY); 2113 } 2114} 2115 2116static int 2117dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2118{ 2119 struct scsipi_generic cmd; 2120 u_int8_t bf[4 + 4 * 20], *bufp; 2121 int error; 2122 struct dvd_layer *layer; 2123 int i; 2124 2125 memset(cmd.bytes, 0, 15); 2126 memset(bf, 0, sizeof(bf)); 2127 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2128 cmd.bytes[6] = s->type; 2129 _lto2b(sizeof(bf), &cmd.bytes[7]); 2130 2131 cmd.bytes[5] = s->physical.layer_num; 2132 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2133 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2134 if (error) 2135 return (error); 2136 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2137 i++, bufp += 20, layer++) { 2138 memset(layer, 0, sizeof(*layer)); 2139 layer->book_version = bufp[0] & 0xf; 2140 layer->book_type = bufp[0] >> 4; 2141 layer->min_rate = bufp[1] & 0xf; 2142 layer->disc_size = bufp[1] >> 4; 2143 layer->layer_type = bufp[2] & 0xf; 2144 layer->track_path = (bufp[2] >> 4) & 1; 2145 layer->nlayers = (bufp[2] >> 5) & 3; 2146 layer->track_density = bufp[3] & 0xf; 2147 layer->linear_density = bufp[3] >> 4; 2148 layer->start_sector = _4btol(&bufp[4]); 2149 layer->end_sector = _4btol(&bufp[8]); 2150 layer->end_sector_l0 = _4btol(&bufp[12]); 2151 layer->bca = bufp[16] >> 7; 2152 } 2153 return (0); 2154} 2155 2156static int 2157dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2158{ 2159 struct scsipi_generic cmd; 2160 u_int8_t bf[8]; 2161 int error; 2162 2163 memset(cmd.bytes, 0, 15); 2164 memset(bf, 0, sizeof(bf)); 2165 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2166 cmd.bytes[6] = s->type; 2167 _lto2b(sizeof(bf), &cmd.bytes[7]); 2168 2169 cmd.bytes[5] = s->copyright.layer_num; 2170 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2171 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2172 if (error) 2173 return (error); 2174 s->copyright.cpst = bf[4]; 2175 s->copyright.rmi = bf[5]; 2176 return (0); 2177} 2178 2179static int 2180dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2181{ 2182 struct scsipi_generic cmd; 2183 u_int8_t *bf; 2184 int error; 2185 2186 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2187 if (bf == NULL) 2188 return EIO; 2189 memset(cmd.bytes, 0, 15); 2190 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2191 cmd.bytes[6] = s->type; 2192 _lto2b(4 + 2048, &cmd.bytes[7]); 2193 2194 cmd.bytes[9] = s->disckey.agid << 6; 2195 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2196 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2197 if (error == 0) 2198 memcpy(s->disckey.value, &bf[4], 2048); 2199 free(bf, M_TEMP); 2200 return error; 2201} 2202 2203static int 2204dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2205{ 2206 struct scsipi_generic cmd; 2207 u_int8_t bf[4 + 188]; 2208 int error; 2209 2210 memset(cmd.bytes, 0, 15); 2211 memset(bf, 0, sizeof(bf)); 2212 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2213 cmd.bytes[6] = s->type; 2214 _lto2b(sizeof(bf), &cmd.bytes[7]); 2215 2216 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2217 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2218 if (error) 2219 return (error); 2220 s->bca.len = _2btol(&bf[0]); 2221 if (s->bca.len < 12 || s->bca.len > 188) 2222 return (EIO); 2223 memcpy(s->bca.value, &bf[4], s->bca.len); 2224 return (0); 2225} 2226 2227static int 2228dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2229{ 2230 struct scsipi_generic cmd; 2231 u_int8_t *bf; 2232 int error; 2233 2234 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2235 if (bf == NULL) 2236 return (EIO); 2237 memset(cmd.bytes, 0, 15); 2238 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2239 cmd.bytes[6] = s->type; 2240 _lto2b(4 + 2048, &cmd.bytes[7]); 2241 2242 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2243 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2244 if (error == 0) { 2245 s->manufact.len = _2btol(&bf[0]); 2246 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2247 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2248 else 2249 error = EIO; 2250 } 2251 free(bf, M_TEMP); 2252 return error; 2253} 2254 2255static int 2256dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2257{ 2258 2259 switch (s->type) { 2260 case DVD_STRUCT_PHYSICAL: 2261 return (dvd_read_physical(cd, s)); 2262 case DVD_STRUCT_COPYRIGHT: 2263 return (dvd_read_copyright(cd, s)); 2264 case DVD_STRUCT_DISCKEY: 2265 return (dvd_read_disckey(cd, s)); 2266 case DVD_STRUCT_BCA: 2267 return (dvd_read_bca(cd, s)); 2268 case DVD_STRUCT_MANUFACT: 2269 return (dvd_read_manufact(cd, s)); 2270 default: 2271 return (EINVAL); 2272 } 2273} 2274 2275static int 2276cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2277 int page, int flags, int *big) 2278{ 2279 2280 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2281 *big = 1; 2282 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2283 size + sizeof(struct scsi_mode_parameter_header_10), 2284 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2285 } else { 2286 *big = 0; 2287 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2288 size + sizeof(struct scsi_mode_parameter_header_6), 2289 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2290 } 2291} 2292 2293static int 2294cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2295 int flags, int big) 2296{ 2297 2298 if (big) { 2299 struct scsi_mode_parameter_header_10 *header = sense; 2300 2301 _lto2b(0, header->data_length); 2302 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2303 size + sizeof(struct scsi_mode_parameter_header_10), 2304 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2305 } else { 2306 struct scsi_mode_parameter_header_6 *header = sense; 2307 2308 header->data_length = 0; 2309 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2310 size + sizeof(struct scsi_mode_parameter_header_6), 2311 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2312 } 2313} 2314 2315static int 2316cd_set_pa_immed(struct cd_softc *cd, int flags) 2317{ 2318 struct { 2319 union { 2320 struct scsi_mode_parameter_header_6 small; 2321 struct scsi_mode_parameter_header_10 big; 2322 } header; 2323 struct cd_audio_page page; 2324 } data; 2325 int error; 2326 uint8_t oflags; 2327 int big, byte2; 2328 struct cd_audio_page *page; 2329 2330 byte2 = SMS_DBD; 2331try_again: 2332 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2333 AUDIO_PAGE, flags, &big)) != 0) { 2334 if (byte2 == SMS_DBD) { 2335 /* Device may not understand DBD; retry without */ 2336 byte2 = 0; 2337 goto try_again; 2338 } 2339 return (error); 2340 } 2341 2342 if (big) 2343 page = (void *)((u_long)&data.header.big + 2344 sizeof data.header.big + 2345 _2btol(data.header.big.blk_desc_len)); 2346 else 2347 page = (void *)((u_long)&data.header.small + 2348 sizeof data.header.small + 2349 data.header.small.blk_desc_len); 2350 2351 oflags = page->flags; 2352 page->flags &= ~CD_PA_SOTC; 2353 page->flags |= CD_PA_IMMED; 2354 if (oflags == page->flags) 2355 return (0); 2356 2357 return (cd_mode_select(cd, SMS_PF, &data, 2358 sizeof(struct scsi_mode_page_header) + page->pg_length, 2359 flags, big)); 2360} 2361 2362static int 2363cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2364{ 2365 struct { 2366 union { 2367 struct scsi_mode_parameter_header_6 small; 2368 struct scsi_mode_parameter_header_10 big; 2369 } header; 2370 struct cd_audio_page page; 2371 } data; 2372 int error; 2373 int big, byte2; 2374 struct cd_audio_page *page; 2375 2376 byte2 = SMS_DBD; 2377try_again: 2378 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2379 AUDIO_PAGE, flags, &big)) != 0) { 2380 if (byte2 == SMS_DBD) { 2381 /* Device may not understand DBD; retry without */ 2382 byte2 = 0; 2383 goto try_again; 2384 } 2385 return (error); 2386 } 2387 2388 if (big) 2389 page = (void *)((u_long)&data.header.big + 2390 sizeof data.header.big + 2391 _2btol(data.header.big.blk_desc_len)); 2392 else 2393 page = (void *)((u_long)&data.header.small + 2394 sizeof data.header.small + 2395 data.header.small.blk_desc_len); 2396 2397 page->port[0].channels = p0; 2398 page->port[1].channels = p1; 2399 page->port[2].channels = p2; 2400 page->port[3].channels = p3; 2401 2402 return (cd_mode_select(cd, SMS_PF, &data, 2403 sizeof(struct scsi_mode_page_header) + page->pg_length, 2404 flags, big)); 2405} 2406 2407static int 2408cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2409{ 2410 struct { 2411 union { 2412 struct scsi_mode_parameter_header_6 small; 2413 struct scsi_mode_parameter_header_10 big; 2414 } header; 2415 struct cd_audio_page page; 2416 } data; 2417 int error; 2418 int big, byte2; 2419 struct cd_audio_page *page; 2420 2421 byte2 = SMS_DBD; 2422try_again: 2423 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2424 AUDIO_PAGE, flags, &big)) != 0) { 2425 if (byte2 == SMS_DBD) { 2426 /* Device may not understand DBD; retry without */ 2427 byte2 = 0; 2428 goto try_again; 2429 } 2430 return (error); 2431 } 2432 2433 if (big) 2434 page = (void *)((u_long)&data.header.big + 2435 sizeof data.header.big + 2436 _2btol(data.header.big.blk_desc_len)); 2437 else 2438 page = (void *)((u_long)&data.header.small + 2439 sizeof data.header.small + 2440 data.header.small.blk_desc_len); 2441 2442 arg->vol[0] = page->port[0].volume; 2443 arg->vol[1] = page->port[1].volume; 2444 arg->vol[2] = page->port[2].volume; 2445 arg->vol[3] = page->port[3].volume; 2446 2447 return (0); 2448} 2449 2450static int 2451cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2452{ 2453 struct { 2454 union { 2455 struct scsi_mode_parameter_header_6 small; 2456 struct scsi_mode_parameter_header_10 big; 2457 } header; 2458 struct cd_audio_page page; 2459 } data, mask; 2460 int error; 2461 int big, byte2; 2462 struct cd_audio_page *page, *page2; 2463 2464 byte2 = SMS_DBD; 2465try_again: 2466 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2467 AUDIO_PAGE, flags, &big)) != 0) { 2468 if (byte2 == SMS_DBD) { 2469 /* Device may not understand DBD; retry without */ 2470 byte2 = 0; 2471 goto try_again; 2472 } 2473 return (error); 2474 } 2475 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2476 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2477 return (error); 2478 2479 if (big) { 2480 page = (void *)((u_long)&data.header.big + 2481 sizeof data.header.big + 2482 _2btol(data.header.big.blk_desc_len)); 2483 page2 = (void *)((u_long)&mask.header.big + 2484 sizeof mask.header.big + 2485 _2btol(mask.header.big.blk_desc_len)); 2486 } else { 2487 page = (void *)((u_long)&data.header.small + 2488 sizeof data.header.small + 2489 data.header.small.blk_desc_len); 2490 page2 = (void *)((u_long)&mask.header.small + 2491 sizeof mask.header.small + 2492 mask.header.small.blk_desc_len); 2493 } 2494 2495 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2496 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2497 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2498 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2499 2500 page->port[0].channels = CHANNEL_0; 2501 page->port[1].channels = CHANNEL_1; 2502 2503 return (cd_mode_select(cd, SMS_PF, &data, 2504 sizeof(struct scsi_mode_page_header) + page->pg_length, 2505 flags, big)); 2506} 2507 2508static int 2509cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2510{ 2511 struct scsipi_load_unload cmd; 2512 2513 memset(&cmd, 0, sizeof(cmd)); 2514 cmd.opcode = LOAD_UNLOAD; 2515 cmd.options = args->options; /* ioctl uses MMC values */ 2516 cmd.slot = args->slot; 2517 2518 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2519 CDRETRIES, 200000, NULL, 0)); 2520} 2521 2522static int 2523cd_setblksize(struct cd_softc *cd) 2524{ 2525 struct { 2526 union { 2527 struct scsi_mode_parameter_header_6 small; 2528 struct scsi_mode_parameter_header_10 big; 2529 } header; 2530 struct scsi_general_block_descriptor blk_desc; 2531 } data; 2532 int error; 2533 int big, bsize; 2534 struct scsi_general_block_descriptor *bdesc; 2535 2536 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2537 &big)) != 0) 2538 return (error); 2539 2540 if (big) { 2541 bdesc = (void *)(&data.header.big + 1); 2542 bsize = _2btol(data.header.big.blk_desc_len); 2543 } else { 2544 bdesc = (void *)(&data.header.small + 1); 2545 bsize = data.header.small.blk_desc_len; 2546 } 2547 2548 if (bsize == 0) { 2549printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2550 return (EINVAL); 2551 } 2552 if (_3btol(bdesc->blklen) == 2048) { 2553printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2554 return (EINVAL); 2555 } 2556 2557 _lto3b(2048, bdesc->blklen); 2558 2559 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2560 big)); 2561} 2562 2563 2564static int 2565mmc_profile2class(uint16_t mmc_profile) 2566{ 2567 switch (mmc_profile) { 2568 case 0x01 : /* SCSI discs */ 2569 case 0x02 : 2570 /* this can't happen really, cd.c wouldn't have matched */ 2571 return MMC_CLASS_DISC; 2572 case 0x03 : /* Magneto Optical with sector erase */ 2573 case 0x04 : /* Magneto Optical write once */ 2574 case 0x05 : /* Advance Storage Magneto Optical */ 2575 return MMC_CLASS_MO; 2576 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2577 case 0x08 : /* CD-ROM */ 2578 case 0x09 : /* CD-R */ 2579 case 0x0a : /* CD-RW */ 2580 return MMC_CLASS_CD; 2581 case 0x10 : /* DVD-ROM */ 2582 case 0x11 : /* DVD-R */ 2583 case 0x12 : /* DVD-RAM */ 2584 case 0x13 : /* DVD-RW restricted overwrite */ 2585 case 0x14 : /* DVD-RW sequential */ 2586 case 0x1a : /* DVD+RW */ 2587 case 0x1b : /* DVD+R */ 2588 case 0x2b : /* DVD+R Dual layer */ 2589 return MMC_CLASS_DVD; 2590 case 0x40 : /* BD-ROM */ 2591 case 0x41 : /* BD-R Sequential recording (SRM) */ 2592 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2593 case 0x43 : /* BD-RE */ 2594 return MMC_CLASS_BD; 2595 }; 2596 return MMC_CLASS_UNKN; 2597} 2598 2599 2600/* 2601 * Drive/media combination is reflected in a series of features that can 2602 * either be current or dormant. We try to make sense out of them to create a 2603 * set of easy to use flags that abstract the device/media capabilities. 2604 */ 2605 2606static void 2607mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2608 uint16_t feature, int cur, uint8_t *rpos) 2609{ 2610 uint64_t flags; 2611 2612 if (cur == 1) { 2613 flags = mmc_discinfo->mmc_cur; 2614 } else { 2615 flags = mmc_discinfo->mmc_cap; 2616 }; 2617 2618 switch (feature) { 2619 case 0x0010 : /* random readable feature */ 2620 mmc_discinfo->sector_size = rpos[3] | (rpos[2] << 8) | 2621 (rpos[1] << 16) | (rpos[0] << 24); 2622 mmc_discinfo->blockingnr = rpos[5] | (rpos[4] << 8); 2623 if (mmc_discinfo->blockingnr > 1) 2624 flags |= MMC_CAP_PACKET; 2625 2626 /* RW error page */ 2627 break; 2628 case 0x0020 : /* random writable feature */ 2629 flags |= MMC_CAP_RECORDABLE; 2630 flags |= MMC_CAP_REWRITABLE; 2631 break; 2632 case 0x0021 : /* incremental streaming write feature */ 2633 flags |= MMC_CAP_RECORDABLE; 2634 flags |= MMC_CAP_SEQUENTIAL; 2635 if (cur) { 2636 mmc_discinfo->link_block_penalty = rpos[4]; 2637 }; 2638 if (rpos[2] & 1) 2639 flags |= MMC_CAP_ZEROLINKBLK; 2640 break; 2641 case 0x0022 : /* (obsolete) erase support feature */ 2642 flags |= MMC_CAP_RECORDABLE; 2643 flags |= MMC_CAP_ERASABLE; 2644 break; 2645 case 0x0023 : /* formatting media support feature */ 2646 flags |= MMC_CAP_RECORDABLE; 2647 flags |= MMC_CAP_FORMATTABLE; 2648 break; 2649 case 0x0024 : /* hardware assised defect management feature */ 2650 flags |= MMC_CAP_HW_DEFECTFREE; 2651 break; 2652 case 0x0025 : /* write once */ 2653 flags |= MMC_CAP_RECORDABLE; 2654 break; 2655 case 0x0026 : /* restricted overwrite feature */ 2656 flags |= MMC_CAP_RECORDABLE; 2657 flags |= MMC_CAP_REWRITABLE; 2658 flags |= MMC_CAP_STRICTOVERWRITE; 2659 break; 2660 case 0x0028 : /* MRW formatted media support feature */ 2661 flags |= MMC_CAP_MRW; 2662 break; 2663 case 0x002c : /* regid restricted overwrite feature */ 2664 flags |= MMC_CAP_RECORDABLE; 2665 flags |= MMC_CAP_REWRITABLE; 2666 flags |= MMC_CAP_STRICTOVERWRITE; 2667 if (rpos[0] & 1) /* blank bit */ 2668 flags |= MMC_CAP_BLANKABLE; 2669 break; 2670 case 0x002d : /* track at once recording feature */ 2671 flags |= MMC_CAP_RECORDABLE; 2672 flags |= MMC_CAP_SEQUENTIAL; 2673 break; 2674 case 0x002f : /* DVD-R/-RW write feature */ 2675 flags |= MMC_CAP_RECORDABLE; 2676 if (rpos[0] & 2) /* DVD-RW bit */ 2677 flags |= MMC_CAP_BLANKABLE; 2678 break; 2679 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2680 flags |= MMC_CAP_PSEUDOOVERWRITE; 2681 break; 2682 default : 2683 /* ignore */ 2684 break; 2685 }; 2686 2687 if (cur == 1) { 2688 mmc_discinfo->mmc_cur = flags; 2689 } else { 2690 mmc_discinfo->mmc_cap = flags; 2691 }; 2692} 2693 2694static int 2695mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2696 struct mmc_discinfo *mmc_discinfo) 2697{ 2698 struct scsipi_read_toc gtoc_cmd; 2699 struct scsipi_toc_header *toc_hdr; 2700 struct scsipi_toc_msinfo *toc_msinfo; 2701 uint32_t buffer_len = 1024, req_size; 2702 uint8_t buffer[buffer_len]; 2703 int error, flags; 2704 2705 /* 2706 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2707 * care' but others might be of interest to programs. 2708 */ 2709 2710 mmc_discinfo->disc_state = MMC_STATE_FULL; 2711 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2712 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2713 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2714 2715 /* get number of sessions and first tracknr in last session */ 2716 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2717 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2718 gtoc_cmd.opcode = READ_TOC; 2719 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2720 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2721 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2722 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2723 _lto2b(req_size, gtoc_cmd.data_len); 2724 2725 error = scsipi_command(periph, 2726 (void *)>oc_cmd, sizeof(gtoc_cmd), 2727 (void *)buffer, req_size, 2728 CDRETRIES, 30000, NULL, flags); 2729 if (error) 2730 return error; 2731 toc_hdr = (struct scsipi_toc_header *) buffer; 2732 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2733 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2734 mmc_discinfo->first_track = toc_hdr->first; 2735 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2736 2737 /* get last track of last session */ 2738 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2739 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2740 req_size = sizeof(*toc_hdr); 2741 _lto2b(req_size, gtoc_cmd.data_len); 2742 2743 error = scsipi_command(periph, 2744 (void *)>oc_cmd, sizeof(gtoc_cmd), 2745 (void *)buffer, req_size, 2746 CDRETRIES, 30000, NULL, flags); 2747 if (error) 2748 return error; 2749 toc_hdr = (struct scsipi_toc_header *) buffer; 2750 mmc_discinfo->last_track_last_session = toc_hdr->last; 2751 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2752 2753 /* TODO how to handle disc_barcode and disc_id */ 2754 /* done */ 2755 2756 return 0; 2757} 2758 2759static int 2760mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2761 struct mmc_discinfo *mmc_discinfo) 2762{ 2763 struct scsipi_read_toc gtoc_cmd; 2764 struct scsipi_toc_header toc_hdr; 2765 uint32_t req_size; 2766 int error, flags; 2767 2768 /* 2769 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2770 * care' but others might be of interest to programs. 2771 */ 2772 2773 mmc_discinfo->disc_state = MMC_STATE_FULL; 2774 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2775 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2776 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2777 2778 /* get number of sessions and first tracknr in last session */ 2779 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2780 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2781 gtoc_cmd.opcode = READ_TOC; 2782 gtoc_cmd.addr_mode = 0; /* LBA */ 2783 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2784 gtoc_cmd.from_track = 1; /* first track */ 2785 req_size = sizeof(toc_hdr); 2786 _lto2b(req_size, gtoc_cmd.data_len); 2787 2788 error = scsipi_command(periph, 2789 (void *)>oc_cmd, sizeof(gtoc_cmd), 2790 (void *)&toc_hdr, req_size, 2791 CDRETRIES, 30000, NULL, flags); 2792 if (error) 2793 return error; 2794 2795 /* DVD-ROM squashes the track/session space */ 2796 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2797 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2798 mmc_discinfo->first_track = toc_hdr.first; 2799 mmc_discinfo->first_track_last_session = toc_hdr.last; 2800 mmc_discinfo->last_track_last_session = toc_hdr.last; 2801 2802 /* TODO how to handle disc_barcode and disc_id */ 2803 /* done */ 2804 return 0; 2805} 2806 2807static int 2808mmc_getdiscinfo(struct scsipi_periph *periph, 2809 struct mmc_discinfo *mmc_discinfo) 2810{ 2811 struct scsipi_get_configuration gc_cmd; 2812 struct scsipi_get_conf_data *gc; 2813 struct scsipi_get_conf_feature *gcf; 2814 struct scsipi_read_discinfo di_cmd; 2815 struct scsipi_read_discinfo_data di; 2816 uint32_t buffer_len = 1024, feat_tbl_len, pos; 2817 u_long last_lba; 2818 uint8_t buffer[buffer_len], *fpos; 2819 int feature, last_feature, features_len, feature_cur, feature_len; 2820 int lsb, msb, error, flags; 2821 2822 feat_tbl_len = buffer_len; 2823 2824 /* initialise structure */ 2825 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2826 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2827 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2828 mmc_discinfo->mmc_cur = 0; 2829 mmc_discinfo->mmc_cap = 0; 2830 mmc_discinfo->blockingnr = 1; /* not relevant if non packet write */ 2831 mmc_discinfo->link_block_penalty = 0; 2832 2833 /* determine mmc profile and class */ 2834 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2835 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2836 gc_cmd.opcode = GET_CONFIGURATION; 2837 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2838 2839 gc = (struct scsipi_get_conf_data *) buffer; 2840 2841 error = scsipi_command(periph, 2842 (void *)&gc_cmd, sizeof(gc_cmd), 2843 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2844 CDRETRIES, 30000, NULL, flags); 2845 if (error) 2846 return error; 2847 2848 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2849 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2850 2851 /* assume 2048 sector size unless told otherwise */ 2852 mmc_discinfo->sector_size = 2048; 2853 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2854 if (error) 2855 return error; 2856 2857 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 2858 2859 /* Read in all features to determine device capabilities */ 2860 last_feature = feature = 0; 2861 do { 2862 /* determine mmc profile and class */ 2863 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2864 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2865 gc_cmd.opcode = GET_CONFIGURATION; 2866 _lto2b(last_feature, gc_cmd.start_at_feature); 2867 _lto2b(feat_tbl_len, gc_cmd.data_len); 2868 2869 error = scsipi_command(periph, 2870 (void *)&gc_cmd, sizeof(gc_cmd), 2871 (void *) gc, feat_tbl_len, 2872 CDRETRIES, 30000, NULL, flags); 2873 if (error) { 2874 /* ieeek... break out of loop... i dunno what to do */ 2875 break; 2876 }; 2877 2878 features_len = _4btol(gc->data_len); 2879 2880 pos = 0; 2881 fpos = &gc->feature_desc[0]; 2882 while (pos < features_len - 4) { 2883 gcf = (struct scsipi_get_conf_feature *) fpos; 2884 2885 feature = _2btol(gcf->featurecode); 2886 feature_cur = gcf->flags & 1; 2887 feature_len = gcf->additional_length; 2888 2889 mmc_process_feature(mmc_discinfo, 2890 feature, feature_cur, 2891 gcf->feature_dependent); 2892 2893 last_feature = MAX(last_feature, feature); 2894 assert((feature_len & 3) == 0); 2895 2896 pos += 4 + feature_len; 2897 fpos += 4 + feature_len; 2898 }; 2899 /* unlikely to ever grow past our 1kb buffer */ 2900 } while (features_len >= 0xffff); 2901 2902#ifdef DEBUG 2903 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2904 mmc_discinfo->mmc_profile, 2905 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2906#endif 2907 2908 /* read in disc state and number of sessions and tracks */ 2909 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 2910 memset(&di_cmd, 0, sizeof(di_cmd)); 2911 di_cmd.opcode = READ_DISCINFO; 2912 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2913 2914 error = scsipi_command(periph, 2915 (void *)&di_cmd, sizeof(di_cmd), 2916 (void *)&di, READ_DISCINFO_BIGSIZE, 2917 CDRETRIES, 30000, NULL, flags); 2918 2919 if (error) { 2920 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 2921 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 2922 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 2923 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 2924 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 2925 /* CD/DVD drive is violating specs */ 2926 return EIO; 2927 }; 2928 2929 /* call went OK */ 2930 mmc_discinfo->disc_state = di.disc_state & 3; 2931 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 2932 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 2933 2934 lsb = di.num_sessions_lsb; 2935 msb = di.num_sessions_msb; 2936 mmc_discinfo->num_sessions = lsb | (msb << 8); 2937 2938 mmc_discinfo->first_track = di.first_track; 2939 lsb = di.first_track_last_session_lsb; 2940 msb = di.first_track_last_session_msb; 2941 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 2942 lsb = di.last_track_last_session_lsb; 2943 msb = di.last_track_last_session_msb; 2944 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 2945 2946 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 2947 mmc_discinfo->first_track + 1; 2948 2949 /* set misc. flags and parameters from this disc info */ 2950 if (di.disc_state & 16) 2951 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 2952 2953 if (di.disc_state2 & 128) { 2954 mmc_discinfo->disc_id = _4btol(di.discid); 2955 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 2956 }; 2957 if (di.disc_state2 & 64) { 2958 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 2959 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 2960 }; 2961 if (di.disc_state2 & 32) 2962 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 2963 2964 if (di.disc_state2 & 16) { 2965 mmc_discinfo->application_code = di.application_code; 2966 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 2967 }; 2968 2969 /* done */ 2970 2971 return 0; 2972} 2973 2974static int 2975mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 2976 struct mmc_trackinfo *trackinfo) 2977{ 2978 struct scsipi_read_toc gtoc_cmd; 2979 struct scsipi_toc_header *toc_hdr; 2980 struct scsipi_toc_rawtoc *rawtoc; 2981 uint32_t track_start, track_end, track_size; 2982 uint32_t last_recorded, next_writable; 2983 uint32_t lba, next_track_start, lead_out; 2984 uint32_t buffer_size = 2*1024; /* worst case TOC estimate */ 2985 uint8_t buffer[buffer_size]; 2986 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 2987 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 2988 int size, req_size; 2989 int error, flags; 2990 2991 /* 2992 * Emulate read trackinfo for CD-ROM using the raw-TOC. 2993 * 2994 * Not all information is present and this presents a problem. Track 2995 * starts are known for each track but other values are deducted. 2996 * 2997 * For a complete overview of `magic' values used here, see the 2998 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 2999 * names, they are specified as numbers. 3000 */ 3001 3002 /* get raw toc to process, first header to check size */ 3003 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3004 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3005 gtoc_cmd.opcode = READ_TOC; 3006 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3007 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3008 gtoc_cmd.from_track = 1; /* first session */ 3009 req_size = sizeof(*toc_hdr); 3010 _lto2b(req_size, gtoc_cmd.data_len); 3011 3012 error = scsipi_command(periph, 3013 (void *)>oc_cmd, sizeof(gtoc_cmd), 3014 (void *)buffer, req_size, 3015 CDRETRIES, 30000, NULL, flags); 3016 if (error) 3017 return error; 3018 toc_hdr = (struct scsipi_toc_header *) buffer; 3019 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3020 printf("incease buffersize in mmc_readtrackinfo\n"); 3021 return EIO; 3022 }; 3023 3024 /* read in complete raw toc */ 3025 req_size = _2btol(toc_hdr->length); 3026 _lto2b(req_size, gtoc_cmd.data_len); 3027 3028 error = scsipi_command(periph, 3029 (void *)>oc_cmd, sizeof(gtoc_cmd), 3030 (void *)buffer, req_size, 3031 CDRETRIES, 30000, NULL, flags); 3032 if (error) 3033 return error; 3034 3035 toc_hdr = (struct scsipi_toc_header *) buffer; 3036 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3037 3038 track_start = 0; 3039 track_end = 0; 3040 track_size = 0; 3041 last_recorded = 0; 3042 next_writable = 0; 3043 flags = 0; 3044 3045 last_tracknr = 1; 3046 next_track_start = 0; 3047 track_sessionnr = MAXTRACK; /* by definition */ 3048 lead_out = 0; 3049 3050 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3051 while (size > 0) { 3052 /* get track start and session end */ 3053 tno = rawtoc->tno; 3054 sessionnr = rawtoc->sessionnr; 3055 adr = rawtoc->adrcontrol >> 4; 3056 point = rawtoc->point; 3057 tmin = rawtoc->min; 3058 tsec = rawtoc->sec; 3059 tframe = rawtoc->frame; 3060 pmin = rawtoc->pmin; 3061 psec = rawtoc->psec; 3062 pframe = rawtoc->pframe; 3063 3064 if (tno == 0 && sessionnr && adr == 1) { 3065 lba = hmsf2lba(0, pmin, psec, pframe); 3066 if (point == trackinfo->tracknr) { 3067 track_start = lba; 3068 track_sessionnr = sessionnr; 3069 }; 3070 if (point == trackinfo->tracknr + 1) { 3071 /* estimate size */ 3072 track_size = lba - track_start; 3073 next_track_start = lba; 3074 }; 3075 if (point == 0xa2) { 3076 lead_out = lba; 3077 }; 3078 if (point <= 0x63) { 3079 /* CD's ok, DVD are glued */ 3080 last_tracknr = point; 3081 }; 3082 if (sessionnr == track_sessionnr) { 3083 last_recorded = lead_out; 3084 }; 3085 }; 3086 if (tno == 0 && sessionnr && adr == 5) { 3087 lba = hmsf2lba(0, tmin, tsec, tframe); 3088 if (sessionnr == track_sessionnr) { 3089 next_writable = lba; 3090 }; 3091 }; 3092 3093 rawtoc++; 3094 size -= sizeof(struct scsipi_toc_rawtoc); 3095 }; 3096 3097 /* process found values; some voodoo */ 3098 /* if no tracksize tracknr is the last of the disc */ 3099 if ((track_size == 0) && last_recorded) { 3100 track_size = last_recorded - track_start; 3101 }; 3102 /* if last_recorded < tracksize, tracksize is overestimated */ 3103 if (last_recorded) { 3104 if (last_recorded - track_start <= track_size) { 3105 track_size = last_recorded - track_start; 3106 flags |= MMC_TRACKINFO_LRA_VALID; 3107 }; 3108 }; 3109 /* check if its a the last track of the sector */ 3110 if (next_writable) { 3111 if (next_track_start > next_writable) 3112 flags |= MMC_TRACKINFO_NWA_VALID; 3113 }; 3114 3115 /* no flag set -> no values */ 3116 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3117 last_recorded = 0; 3118 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3119 next_writable = 0; 3120 3121 /* fill in */ 3122 /* trackinfo->tracknr preserved */ 3123 trackinfo->sessionnr = track_sessionnr; 3124 trackinfo->track_mode = 7; /* data, incremental */ 3125 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3126 3127 trackinfo->flags = flags; 3128 trackinfo->track_start = track_start; 3129 trackinfo->next_writable = next_writable; 3130 trackinfo->free_blocks = 0; 3131 trackinfo->packet_size = 1; 3132 trackinfo->track_size = track_size; 3133 trackinfo->last_recorded = last_recorded; 3134 3135 return 0; 3136} 3137 3138static int 3139mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3140 struct mmc_trackinfo *trackinfo) 3141{ 3142 struct scsipi_read_toc gtoc_cmd; 3143 struct scsipi_toc_header *toc_hdr; 3144 struct scsipi_toc_formatted *toc; 3145 uint32_t tracknr, track_start, track_size; 3146 uint32_t lba, lead_out; 3147 uint32_t buffer_size = 2*1024; /* worst case TOC estimate */ 3148 uint8_t buffer[buffer_size]; 3149 uint8_t last_tracknr; 3150 int size, req_size; 3151 int error, flags; 3152 3153 /* 3154 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3155 * CD-ROM emulation uses since the specification tells us that no such 3156 * thing is defined for DVD's. The reason for this is due to the large 3157 * number of tracks and that would clash with the `magic' values. This 3158 * suxs. 3159 * 3160 * Not all information is present and this presents a problem. 3161 * Track starts are known for each track but other values are 3162 * deducted. 3163 */ 3164 3165 /* get formatted toc to process, first header to check size */ 3166 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3167 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3168 gtoc_cmd.opcode = READ_TOC; 3169 gtoc_cmd.addr_mode = 0; /* lba's please */ 3170 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3171 gtoc_cmd.from_track = 1; /* first track */ 3172 req_size = sizeof(*toc_hdr); 3173 _lto2b(req_size, gtoc_cmd.data_len); 3174 3175 error = scsipi_command(periph, 3176 (void *)>oc_cmd, sizeof(gtoc_cmd), 3177 (void *)buffer, req_size, 3178 CDRETRIES, 30000, NULL, flags); 3179 if (error) 3180 return error; 3181 toc_hdr = (struct scsipi_toc_header *) buffer; 3182 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3183 printf("incease buffersize in mmc_readtrackinfo\n"); 3184 return EIO; 3185 }; 3186 3187 /* read in complete formatted toc */ 3188 req_size = _2btol(toc_hdr->length); 3189 _lto2b(req_size, gtoc_cmd.data_len); 3190 3191 error = scsipi_command(periph, 3192 (void *)>oc_cmd, sizeof(gtoc_cmd), 3193 (void *)buffer, req_size, 3194 CDRETRIES, 30000, NULL, flags); 3195 if (error) 3196 return error; 3197 3198 toc_hdr = (struct scsipi_toc_header *) buffer; 3199 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3200 3201 /* as in read disc info, all sessions are converted to tracks */ 3202 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3203 /* last track -> we got the size from the lead-out */ 3204 3205 tracknr = 0; 3206 last_tracknr = toc_hdr->last; 3207 track_start = 0; 3208 track_size = 0; 3209 lead_out = 0; 3210 3211 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3212 while (size > 0) { 3213 /* remember, DVD-ROM: tracknr == sessionnr */ 3214 lba = _4btol(toc->msf_lba); 3215 tracknr = toc->tracknr; 3216 if (trackinfo->tracknr == tracknr) { 3217 track_start = lba; 3218 }; 3219 if (trackinfo->tracknr == tracknr+1) { 3220 track_size = lba - track_start; 3221 track_size -= 16; /* link block ? */ 3222 }; 3223 if (tracknr == 0xAA) { 3224 lead_out = lba; 3225 }; 3226 toc++; 3227 size -= sizeof(struct scsipi_toc_formatted); 3228 }; 3229 if (trackinfo->tracknr == last_tracknr) { 3230 track_size = lead_out - track_start; 3231 }; 3232 3233 /* fill in */ 3234 /* trackinfo->tracknr preserved */ 3235 trackinfo->sessionnr = trackinfo->tracknr; 3236 trackinfo->track_mode = 0; /* unknown */ 3237 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3238 3239 trackinfo->flags = 0; 3240 trackinfo->track_start = track_start; 3241 trackinfo->next_writable = 0; 3242 trackinfo->free_blocks = 0; 3243 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3244 trackinfo->track_size = track_size; 3245 trackinfo->last_recorded = 0; 3246 3247 return 0; 3248} 3249 3250static int 3251mmc_gettrackinfo(struct scsipi_periph *periph, 3252 struct mmc_trackinfo *trackinfo) 3253{ 3254 struct scsipi_read_trackinfo ti_cmd; 3255 struct scsipi_read_trackinfo_data ti; 3256 struct scsipi_get_configuration gc_cmd; 3257 struct scsipi_get_conf_data gc; 3258 int error, flags; 3259 int mmc_profile; 3260 3261 /* set up SCSI call with track number from trackinfo.tracknr */ 3262 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3263 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3264 ti_cmd.opcode = READ_TRACKINFO; 3265 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3266 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3267 3268 /* trackinfo.tracknr contains number of tracks to query */ 3269 _lto4b(trackinfo->tracknr, ti_cmd.address); 3270 error = scsipi_command(periph, 3271 (void *)&ti_cmd, sizeof(ti_cmd), 3272 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3273 CDRETRIES, 30000, NULL, flags); 3274 3275 if (error) { 3276 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3277 /* first determine mmc profile */ 3278 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3279 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3280 gc_cmd.opcode = GET_CONFIGURATION; 3281 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3282 3283 error = scsipi_command(periph, 3284 (void *)&gc_cmd, sizeof(gc_cmd), 3285 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3286 CDRETRIES, 30000, NULL, flags); 3287 if (error) 3288 return error; 3289 mmc_profile = _2btol(gc.mmc_profile); 3290 3291 /* choose emulation */ 3292 if (mmc_profile == 0x08) /* CD-ROM */ 3293 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3294 if (mmc_profile == 0x10) /* DVD-ROM */ 3295 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3296 /* CD/DVD drive is violating specs */ 3297 return EIO; 3298 }; 3299 3300 /* (re)initialise structure */ 3301 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3302 3303 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3304 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3305 trackinfo->track_mode = ti.track_info_1 & 0xf; 3306 trackinfo->data_mode = ti.track_info_2 & 0xf; 3307 3308 flags = 0; 3309 if (ti.track_info_1 & 0x10) 3310 flags |= MMC_TRACKINFO_COPY; 3311 if (ti.track_info_1 & 0x20) 3312 flags |= MMC_TRACKINFO_DAMAGED; 3313 if (ti.track_info_2 & 0x10) 3314 flags |= MMC_TRACKINFO_FIXED_PACKET; 3315 if (ti.track_info_2 & 0x20) 3316 flags |= MMC_TRACKINFO_INCREMENTAL; 3317 if (ti.track_info_2 & 0x40) 3318 flags |= MMC_TRACKINFO_BLANK; 3319 if (ti.track_info_2 & 0x80) 3320 flags |= MMC_TRACKINFO_RESERVED; 3321 if (ti.data_valid & 0x01) 3322 flags |= MMC_TRACKINFO_NWA_VALID; 3323 if (ti.data_valid & 0x02) 3324 flags |= MMC_TRACKINFO_LRA_VALID; 3325 3326 trackinfo->flags = flags; 3327 trackinfo->track_start = _4btol(ti.track_start); 3328 trackinfo->next_writable = _4btol(ti.next_writable); 3329 trackinfo->free_blocks = _4btol(ti.free_blocks); 3330 trackinfo->packet_size = _4btol(ti.packet_size); 3331 trackinfo->track_size = _4btol(ti.track_size); 3332 trackinfo->last_recorded = _4btol(ti.last_recorded); 3333 3334 return 0; 3335} 3336 3337