cd.c revision 1.279
1/* $NetBSD: cd.c,v 1.279 2008/05/08 12:57:19 reinoud Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005, 2008 The NetBSD Foundation, 5 * Inc. All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC framework implemented and contributed to the NetBSD Foundation by 11 * Reinoud Zandijk. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35/* 36 * Originally written by Julian Elischer (julian@tfs.com) 37 * for TRW Financial Systems for use under the MACH(2.5) operating system. 38 * 39 * TRW Financial Systems, in accordance with their agreement with Carnegie 40 * Mellon University, makes this software available to CMU to distribute 41 * or use in any manner that they see fit as long as this message is kept with 42 * the software. For this reason TFS also grants any other persons or 43 * organisations permission to use or modify this software. 44 * 45 * TFS supplies this software to be publicly redistributed 46 * on the understanding that TFS is not responsible for the correct 47 * functioning of this software in any circumstances. 48 * 49 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 50 */ 51 52#include <sys/cdefs.h> 53__KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.279 2008/05/08 12:57:19 reinoud Exp $"); 54 55#include "rnd.h" 56 57#include <sys/param.h> 58#include <sys/systm.h> 59#include <sys/kernel.h> 60#include <sys/file.h> 61#include <sys/stat.h> 62#include <sys/ioctl.h> 63#include <sys/buf.h> 64#include <sys/bufq.h> 65#include <sys/uio.h> 66#include <sys/malloc.h> 67#include <sys/errno.h> 68#include <sys/device.h> 69#include <sys/disklabel.h> 70#include <sys/disk.h> 71#include <sys/cdio.h> 72#include <sys/dvdio.h> 73#include <sys/scsiio.h> 74#include <sys/proc.h> 75#include <sys/conf.h> 76#include <sys/vnode.h> 77#if NRND > 0 78#include <sys/rnd.h> 79#endif 80 81#include <dev/scsipi/scsi_spc.h> 82#include <dev/scsipi/scsipi_all.h> 83#include <dev/scsipi/scsipi_cd.h> 84#include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 85#include <dev/scsipi/scsi_all.h> 86 /* from there */ 87#include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 88#include <dev/scsipi/scsipiconf.h> 89#include <dev/scsipi/scsipi_base.h> 90#include <dev/scsipi/cdvar.h> 91 92#define CDUNIT(z) DISKUNIT(z) 93#define CDPART(z) DISKPART(z) 94#define CDMINOR(unit, part) DISKMINOR(unit, part) 95#define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 96 97#define MAXTRACK 99 98#define CD_BLOCK_OFFSET 150 99#define CD_FRAMES 75 100#define CD_SECS 60 101 102#define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 103#define CD_TOC_MSINFO 1 /* multi-session info */ 104#define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 105#define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 106#define CD_TOC_ATIP 4 /* pressed space of recordable */ 107#define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 108 109struct cd_formatted_toc { 110 struct ioc_toc_header header; 111 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 112 /* leadout */ 113}; 114 115struct cdbounce { 116 struct buf *obp; /* original buf */ 117 int doff; /* byte offset in orig. buf */ 118 int soff; /* byte offset in bounce buf */ 119 int resid; /* residual i/o in orig. buf */ 120 int bcount; /* actual obp bytes in bounce */ 121}; 122 123static void cdstart(struct scsipi_periph *); 124static void cdrestart(void *); 125static void cdminphys(struct buf *); 126static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 127 struct disklabel *); 128static void cdgetdisklabel(struct cd_softc *); 129static void cddone(struct scsipi_xfer *, int); 130static void cdbounce(struct buf *); 131static int cd_interpret_sense(struct scsipi_xfer *); 132static u_long cd_size(struct cd_softc *, int); 133static int cd_play(struct cd_softc *, int, int); 134static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 135 int, int, int, int); 136static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 137static int cd_pause(struct cd_softc *, int); 138static int cd_reset(struct cd_softc *); 139static int cd_read_subchannel(struct cd_softc *, int, int, int, 140 struct cd_sub_channel_info *, int, int); 141static int cd_read_toc(struct cd_softc *, int, int, int, 142 struct cd_formatted_toc *, int, int, int); 143static int cd_get_parms(struct cd_softc *, int); 144static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 145static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 146 147static int dvd_auth(struct cd_softc *, dvd_authinfo *); 148static int dvd_read_physical(struct cd_softc *, dvd_struct *); 149static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 150static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 151static int dvd_read_bca(struct cd_softc *, dvd_struct *); 152static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 153static int dvd_read_struct(struct cd_softc *, dvd_struct *); 154 155static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 156 int, int *); 157static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 158 int, int); 159static int cd_setchan(struct cd_softc *, int, int, int, int, int); 160static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 161static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 162static int cd_set_pa_immed(struct cd_softc *, int); 163static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 164static int cd_setblksize(struct cd_softc *); 165 166static int cdmatch(device_t, cfdata_t, void *); 167static void cdattach(device_t, device_t, void *); 168static int cdactivate(device_t, enum devact); 169static int cddetach(device_t, int); 170 171static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 172static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 173static int mmc_do_op(struct scsipi_periph *, struct mmc_op *); 174static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *); 175 176CFATTACH_DECL_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 177 cdactivate); 178 179extern struct cfdriver cd_cd; 180 181static const struct scsipi_inquiry_pattern cd_patterns[] = { 182 {T_CDROM, T_REMOV, 183 "", "", ""}, 184 {T_WORM, T_REMOV, 185 "", "", ""}, 186#if 0 187 {T_CDROM, T_REMOV, /* more luns */ 188 "PIONEER ", "CD-ROM DRM-600 ", ""}, 189#endif 190 {T_DIRECT, T_REMOV, 191 "NEC CD-ROM DRIVE:260", "", ""}, 192}; 193 194static dev_type_open(cdopen); 195static dev_type_close(cdclose); 196static dev_type_read(cdread); 197static dev_type_write(cdwrite); 198static dev_type_ioctl(cdioctl); 199static dev_type_strategy(cdstrategy); 200static dev_type_dump(cddump); 201static dev_type_size(cdsize); 202 203const struct bdevsw cd_bdevsw = { 204 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 205}; 206 207const struct cdevsw cd_cdevsw = { 208 cdopen, cdclose, cdread, cdwrite, cdioctl, 209 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 210}; 211 212static struct dkdriver cddkdriver = { cdstrategy, NULL }; 213 214static const struct scsipi_periphsw cd_switch = { 215 cd_interpret_sense, /* use our error handler first */ 216 cdstart, /* we have a queue, which is started by this */ 217 NULL, /* we do not have an async handler */ 218 cddone, /* deal with stats at interrupt time */ 219}; 220 221/* 222 * The routine called by the low level scsi routine when it discovers 223 * A device suitable for this driver 224 */ 225static int 226cdmatch(device_t parent, cfdata_t match, void *aux) 227{ 228 struct scsipibus_attach_args *sa = aux; 229 int priority; 230 231 (void)scsipi_inqmatch(&sa->sa_inqbuf, 232 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 233 sizeof(cd_patterns[0]), &priority); 234 235 return (priority); 236} 237 238static void 239cdattach(device_t parent, device_t self, void *aux) 240{ 241 struct cd_softc *cd = device_private(self); 242 struct scsipibus_attach_args *sa = aux; 243 struct scsipi_periph *periph = sa->sa_periph; 244 245 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 246 247 cd->sc_dev = self; 248 249 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 250 251 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 252 periph->periph_version == 0) 253 cd->flags |= CDF_ANCIENT; 254 255 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 256 257 callout_init(&cd->sc_callout, 0); 258 259 /* 260 * Store information needed to contact our base driver 261 */ 262 cd->sc_periph = periph; 263 264 periph->periph_dev = cd->sc_dev; 265 periph->periph_switch = &cd_switch; 266 267 /* 268 * Increase our openings to the maximum-per-periph 269 * supported by the adapter. This will either be 270 * clamped down or grown by the adapter if necessary. 271 */ 272 periph->periph_openings = 273 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 274 periph->periph_flags |= PERIPH_GROW_OPENINGS; 275 276 /* 277 * Initialize and attach the disk structure. 278 */ 279 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver); 280 disk_attach(&cd->sc_dk); 281 282 printf("\n"); 283 284#if NRND > 0 285 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev), 286 RND_TYPE_DISK, 0); 287#endif 288 289 if (!pmf_device_register(self, NULL, NULL)) 290 aprint_error_dev(self, "couldn't establish power handler\n"); 291} 292 293static int 294cdactivate(device_t self, enum devact act) 295{ 296 int rv = 0; 297 298 switch (act) { 299 case DVACT_ACTIVATE: 300 rv = EOPNOTSUPP; 301 break; 302 303 case DVACT_DEACTIVATE: 304 /* 305 * Nothing to do; we key off the device's DVF_ACTIVE. 306 */ 307 break; 308 } 309 return (rv); 310} 311 312static int 313cddetach(device_t self, int flags) 314{ 315 struct cd_softc *cd = device_private(self); 316 int s, bmaj, cmaj, i, mn; 317 318 /* locate the major number */ 319 bmaj = bdevsw_lookup_major(&cd_bdevsw); 320 cmaj = cdevsw_lookup_major(&cd_cdevsw); 321 /* Nuke the vnodes for any open instances */ 322 for (i = 0; i < MAXPARTITIONS; i++) { 323 mn = CDMINOR(device_unit(self), i); 324 vdevgone(bmaj, mn, mn, VBLK); 325 vdevgone(cmaj, mn, mn, VCHR); 326 } 327 328 /* kill any pending restart */ 329 callout_stop(&cd->sc_callout); 330 331 s = splbio(); 332 333 /* Kill off any queued buffers. */ 334 bufq_drain(cd->buf_queue); 335 336 bufq_free(cd->buf_queue); 337 338 /* Kill off any pending commands. */ 339 scsipi_kill_pending(cd->sc_periph); 340 341 splx(s); 342 343 mutex_destroy(&cd->sc_lock); 344 345 /* Detach from the disk list. */ 346 disk_detach(&cd->sc_dk); 347 disk_destroy(&cd->sc_dk); 348 349#if 0 350 /* Get rid of the shutdown hook. */ 351 if (cd->sc_sdhook != NULL) 352 shutdownhook_disestablish(cd->sc_sdhook); 353#endif 354 355#if NRND > 0 356 /* Unhook the entropy source. */ 357 rnd_detach_source(&cd->rnd_source); 358#endif 359 360 return (0); 361} 362 363/* 364 * open the device. Make sure the partition info is a up-to-date as can be. 365 */ 366static int 367cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 368{ 369 struct cd_softc *cd; 370 struct scsipi_periph *periph; 371 struct scsipi_adapter *adapt; 372 int part; 373 int error; 374 int rawpart; 375 376 cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 377 if (cd == NULL) 378 return (ENXIO); 379 380 periph = cd->sc_periph; 381 adapt = periph->periph_channel->chan_adapter; 382 part = CDPART(dev); 383 384 SC_DEBUG(periph, SCSIPI_DB1, 385 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, 386 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev))); 387 388 /* 389 * If this is the first open of this device, add a reference 390 * to the adapter. 391 */ 392 if (cd->sc_dk.dk_openmask == 0 && 393 (error = scsipi_adapter_addref(adapt)) != 0) 394 return (error); 395 396 mutex_enter(&cd->sc_lock); 397 398 rawpart = (part == RAW_PART && fmt == S_IFCHR); 399 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 400 /* 401 * If any partition is open, but the disk has been invalidated, 402 * disallow further opens. 403 */ 404 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 405 !rawpart) { 406 error = EIO; 407 goto bad3; 408 } 409 } else { 410 int silent; 411 412 if (rawpart) 413 silent = XS_CTL_SILENT; 414 else 415 silent = 0; 416 417 /* Check that it is still responding and ok. */ 418 error = scsipi_test_unit_ready(periph, 419 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 420 silent); 421 422 /* 423 * Start the pack spinning if necessary. Always allow the 424 * raw parition to be opened, for raw IOCTLs. Data transfers 425 * will check for SDEV_MEDIA_LOADED. 426 */ 427 if (error == EIO) { 428 int error2; 429 430 error2 = scsipi_start(periph, SSS_START, silent); 431 switch (error2) { 432 case 0: 433 error = 0; 434 break; 435 case EIO: 436 case EINVAL: 437 break; 438 default: 439 error = error2; 440 break; 441 } 442 } 443 if (error) { 444 if (rawpart) 445 goto out; 446 goto bad3; 447 } 448 449 periph->periph_flags |= PERIPH_OPEN; 450 451 /* Lock the pack in. */ 452 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 453 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 454 SC_DEBUG(periph, SCSIPI_DB1, 455 ("cdopen: scsipi_prevent, error=%d\n", error)); 456 if (error) { 457 if (rawpart) 458 goto out; 459 goto bad; 460 } 461 462 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 463 /* Load the physical device parameters. */ 464 if (cd_get_parms(cd, 0) != 0) { 465 if (rawpart) 466 goto out; 467 error = ENXIO; 468 goto bad; 469 } 470 periph->periph_flags |= PERIPH_MEDIA_LOADED; 471 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 472 473 /* Fabricate a disk label. */ 474 cdgetdisklabel(cd); 475 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 476 } 477 } 478 479 /* Check that the partition exists. */ 480 if (part != RAW_PART && 481 (part >= cd->sc_dk.dk_label->d_npartitions || 482 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 483 error = ENXIO; 484 goto bad; 485 } 486 487out: /* Insure only one open at a time. */ 488 switch (fmt) { 489 case S_IFCHR: 490 cd->sc_dk.dk_copenmask |= (1 << part); 491 break; 492 case S_IFBLK: 493 cd->sc_dk.dk_bopenmask |= (1 << part); 494 break; 495 } 496 cd->sc_dk.dk_openmask = 497 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 498 499 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 500 mutex_exit(&cd->sc_lock); 501 return (0); 502 503 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 504 505bad: 506 if (cd->sc_dk.dk_openmask == 0) { 507 scsipi_prevent(periph, SPAMR_ALLOW, 508 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 509 periph->periph_flags &= ~PERIPH_OPEN; 510 } 511 512bad3: 513 mutex_exit(&cd->sc_lock); 514 if (cd->sc_dk.dk_openmask == 0) 515 scsipi_adapter_delref(adapt); 516 return (error); 517} 518 519/* 520 * close the device.. only called if we are the LAST 521 * occurence of an open device 522 */ 523static int 524cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 525{ 526 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 527 struct scsipi_periph *periph = cd->sc_periph; 528 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 529 int part = CDPART(dev); 530 531 mutex_enter(&cd->sc_lock); 532 533 switch (fmt) { 534 case S_IFCHR: 535 cd->sc_dk.dk_copenmask &= ~(1 << part); 536 break; 537 case S_IFBLK: 538 cd->sc_dk.dk_bopenmask &= ~(1 << part); 539 break; 540 } 541 cd->sc_dk.dk_openmask = 542 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 543 544 if (cd->sc_dk.dk_openmask == 0) { 545 scsipi_wait_drain(periph); 546 547 scsipi_prevent(periph, SPAMR_ALLOW, 548 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 549 XS_CTL_IGNORE_NOT_READY); 550 periph->periph_flags &= ~PERIPH_OPEN; 551 552 scsipi_wait_drain(periph); 553 554 scsipi_adapter_delref(adapt); 555 } 556 557 mutex_exit(&cd->sc_lock); 558 return (0); 559} 560 561/* 562 * Actually translate the requested transfer into one the physical driver can 563 * understand. The transfer is described by a buf and will include only one 564 * physical transfer. 565 */ 566static void 567cdstrategy(struct buf *bp) 568{ 569 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 570 struct disklabel *lp; 571 struct scsipi_periph *periph = cd->sc_periph; 572 daddr_t blkno; 573 int s; 574 575 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 576 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 577 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 578 /* 579 * If the device has been made invalid, error out 580 * maybe the media changed 581 */ 582 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 583 if (periph->periph_flags & PERIPH_OPEN) 584 bp->b_error = EIO; 585 else 586 bp->b_error = ENODEV; 587 goto done; 588 } 589 590 lp = cd->sc_dk.dk_label; 591 592 /* 593 * The transfer must be a whole number of blocks, offset must not 594 * be negative. 595 */ 596 if ((bp->b_bcount % lp->d_secsize) != 0 || 597 bp->b_blkno < 0 ) { 598 bp->b_error = EINVAL; 599 goto done; 600 } 601 /* 602 * If it's a null transfer, return immediately 603 */ 604 if (bp->b_bcount == 0) 605 goto done; 606 607 /* 608 * Do bounds checking, adjust transfer. if error, process. 609 * If end of partition, just return. 610 */ 611 if (CDPART(bp->b_dev) == RAW_PART) { 612 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 613 cd->params.disksize512) <= 0) 614 goto done; 615 } else { 616 if (bounds_check_with_label(&cd->sc_dk, bp, 617 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 618 goto done; 619 } 620 621 /* 622 * Now convert the block number to absolute and put it in 623 * terms of the device's logical block size. 624 */ 625 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 626 if (CDPART(bp->b_dev) != RAW_PART) 627 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 628 629 bp->b_rawblkno = blkno; 630 631 /* 632 * If the disklabel sector size does not match the device 633 * sector size we may need to do some extra work. 634 */ 635 if (lp->d_secsize != cd->params.blksize) { 636 637 /* 638 * If the xfer is not a multiple of the device block size 639 * or it is not block aligned, we need to bounce it. 640 */ 641 if ((bp->b_bcount % cd->params.blksize) != 0 || 642 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 643 struct cdbounce *bounce; 644 struct buf *nbp; 645 long count; 646 647 if ((bp->b_flags & B_READ) == 0) { 648 649 /* XXXX We don't support bouncing writes. */ 650 bp->b_error = EACCES; 651 goto done; 652 } 653 654 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 655 if (!bounce) { 656 /* No memory -- fail the iop. */ 657 bp->b_error = ENOMEM; 658 goto done; 659 } 660 661 bounce->obp = bp; 662 bounce->resid = bp->b_bcount; 663 bounce->doff = 0; 664 count = ((blkno * lp->d_secsize) % cd->params.blksize); 665 bounce->soff = count; 666 count += bp->b_bcount; 667 count = roundup(count, cd->params.blksize); 668 bounce->bcount = bounce->resid; 669 if (count > MAXPHYS) { 670 bounce->bcount = MAXPHYS - bounce->soff; 671 count = MAXPHYS; 672 } 673 674 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 675 nbp = getiobuf(NULL, false); 676 if (!nbp) { 677 /* No memory -- fail the iop. */ 678 free(bounce, M_DEVBUF); 679 bp->b_error = ENOMEM; 680 goto done; 681 } 682 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 683 if (!nbp->b_data) { 684 /* No memory -- fail the iop. */ 685 free(bounce, M_DEVBUF); 686 putiobuf(nbp); 687 bp->b_error = ENOMEM; 688 goto done; 689 } 690 691 /* Set up the IOP to the bounce buffer. */ 692 nbp->b_error = 0; 693 nbp->b_proc = bp->b_proc; 694 nbp->b_bcount = count; 695 nbp->b_bufsize = count; 696 nbp->b_rawblkno = blkno; 697 nbp->b_flags = bp->b_flags | B_READ; 698 nbp->b_oflags = bp->b_oflags; 699 nbp->b_cflags = bp->b_cflags; 700 nbp->b_iodone = cdbounce; 701 702 /* store bounce state in b_private and use new buf */ 703 nbp->b_private = bounce; 704 705 BIO_COPYPRIO(nbp, bp); 706 707 bp = nbp; 708 709 } else { 710 /* Xfer is aligned -- just adjust the start block */ 711 bp->b_rawblkno = (blkno * lp->d_secsize) / 712 cd->params.blksize; 713 } 714 } 715 s = splbio(); 716 717 /* 718 * Place it in the queue of disk activities for this disk. 719 * 720 * XXX Only do disksort() if the current operating mode does not 721 * XXX include tagged queueing. 722 */ 723 BUFQ_PUT(cd->buf_queue, bp); 724 725 /* 726 * Tell the device to get going on the transfer if it's 727 * not doing anything, otherwise just wait for completion 728 */ 729 cdstart(cd->sc_periph); 730 731 splx(s); 732 return; 733 734done: 735 /* 736 * Correctly set the buf to indicate a completed xfer 737 */ 738 bp->b_resid = bp->b_bcount; 739 biodone(bp); 740} 741 742/* 743 * cdstart looks to see if there is a buf waiting for the device 744 * and that the device is not already busy. If both are true, 745 * It deques the buf and creates a scsi command to perform the 746 * transfer in the buf. The transfer request will call scsipi_done 747 * on completion, which will in turn call this routine again 748 * so that the next queued transfer is performed. 749 * The bufs are queued by the strategy routine (cdstrategy) 750 * 751 * This routine is also called after other non-queued requests 752 * have been made of the scsi driver, to ensure that the queue 753 * continues to be drained. 754 * 755 * must be called at the correct (highish) spl level 756 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 757 */ 758static void 759cdstart(struct scsipi_periph *periph) 760{ 761 struct cd_softc *cd = device_private(periph->periph_dev); 762 struct buf *bp = 0; 763 struct scsipi_rw_10 cmd_big; 764 struct scsi_rw_6 cmd_small; 765 struct scsipi_generic *cmdp; 766 struct scsipi_xfer *xs; 767 int flags, nblks, cmdlen, error; 768 769 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 770 /* 771 * Check if the device has room for another command 772 */ 773 while (periph->periph_active < periph->periph_openings) { 774 /* 775 * there is excess capacity, but a special waits 776 * It'll need the adapter as soon as we clear out of the 777 * way and let it run (user level wait). 778 */ 779 if (periph->periph_flags & PERIPH_WAITING) { 780 periph->periph_flags &= ~PERIPH_WAITING; 781 wakeup((void *)periph); 782 return; 783 } 784 785 /* 786 * If the device has become invalid, abort all the 787 * reads and writes until all files have been closed and 788 * re-opened 789 */ 790 if (__predict_false( 791 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 792 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 793 bp->b_error = EIO; 794 bp->b_resid = bp->b_bcount; 795 biodone(bp); 796 continue; 797 } else { 798 return; 799 } 800 } 801 802 /* 803 * See if there is a buf with work for us to do.. 804 */ 805 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 806 return; 807 808 /* 809 * We have a buf, now we should make a command. 810 */ 811 812 nblks = howmany(bp->b_bcount, cd->params.blksize); 813 814 /* 815 * Fill out the scsi command. If the transfer will 816 * fit in a "small" cdb, use it. 817 */ 818 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 819 ((nblks & 0xff) == nblks) && 820 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 821 /* 822 * We can fit in a small cdb. 823 */ 824 memset(&cmd_small, 0, sizeof(cmd_small)); 825 cmd_small.opcode = (bp->b_flags & B_READ) ? 826 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 827 _lto3b(bp->b_rawblkno, cmd_small.addr); 828 cmd_small.length = nblks & 0xff; 829 cmdlen = sizeof(cmd_small); 830 cmdp = (struct scsipi_generic *)&cmd_small; 831 } else { 832 /* 833 * Need a large cdb. 834 */ 835 memset(&cmd_big, 0, sizeof(cmd_big)); 836 cmd_big.opcode = (bp->b_flags & B_READ) ? 837 READ_10 : WRITE_10; 838 _lto4b(bp->b_rawblkno, cmd_big.addr); 839 _lto2b(nblks, cmd_big.length); 840 cmdlen = sizeof(cmd_big); 841 cmdp = (struct scsipi_generic *)&cmd_big; 842 } 843 844 /* Instrumentation. */ 845 disk_busy(&cd->sc_dk); 846 847 /* 848 * Figure out what flags to use. 849 */ 850 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 851 if (bp->b_flags & B_READ) 852 flags |= XS_CTL_DATA_IN; 853 else 854 flags |= XS_CTL_DATA_OUT; 855 856 /* 857 * Call the routine that chats with the adapter. 858 * Note: we cannot sleep as we may be an interrupt 859 */ 860 xs = scsipi_make_xs(periph, cmdp, cmdlen, 861 (u_char *)bp->b_data, bp->b_bcount, 862 CDRETRIES, 30000, bp, flags); 863 if (__predict_false(xs == NULL)) { 864 /* 865 * out of memory. Keep this buffer in the queue, and 866 * retry later. 867 */ 868 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 869 periph); 870 return; 871 } 872 /* 873 * need to dequeue the buffer before queuing the command, 874 * because cdstart may be called recursively from the 875 * HBA driver 876 */ 877#ifdef DIAGNOSTIC 878 if (BUFQ_GET(cd->buf_queue) != bp) 879 panic("cdstart(): dequeued wrong buf"); 880#else 881 BUFQ_GET(cd->buf_queue); 882#endif 883 error = scsipi_execute_xs(xs); 884 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 885 KASSERT(error == 0); 886 } 887} 888 889static void 890cdrestart(void *v) 891{ 892 int s = splbio(); 893 cdstart((struct scsipi_periph *)v); 894 splx(s); 895} 896 897static void 898cddone(struct scsipi_xfer *xs, int error) 899{ 900 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 901 struct buf *bp = xs->bp; 902 903 if (bp) { 904 /* note, bp->b_resid is NOT initialised */ 905 bp->b_error = error; 906 bp->b_resid = xs->resid; 907 if (error) { 908 /* on a read/write error bp->b_resid is zero, so fix */ 909 bp->b_resid = bp->b_bcount; 910 } 911 912 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 913 (bp->b_flags & B_READ)); 914#if NRND > 0 915 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 916#endif 917 918 biodone(bp); 919 } 920} 921 922static void 923cdbounce(struct buf *bp) 924{ 925 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 926 struct buf *obp = bounce->obp; 927 struct cd_softc *cd = 928 device_private(cd_cd.cd_devs[CDUNIT(obp->b_dev)]); 929 struct disklabel *lp = cd->sc_dk.dk_label; 930 931 if (bp->b_error != 0) { 932 /* EEK propagate the error and free the memory */ 933 goto done; 934 } 935 936 KASSERT(obp->b_flags & B_READ); 937 938 /* copy bounce buffer to final destination */ 939 memcpy((char *)obp->b_data + bounce->doff, 940 (char *)bp->b_data + bounce->soff, bounce->bcount); 941 942 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 943 KASSERT(bounce->resid >= bounce->bcount); 944 bounce->resid -= bounce->bcount; 945 if (bounce->resid > 0) { 946 struct buf *nbp; 947 daddr_t blkno; 948 long count; 949 int s; 950 951 blkno = obp->b_rawblkno + 952 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 953 count = ((blkno * lp->d_secsize) % cd->params.blksize); 954 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 955 bounce->soff = count; 956 bounce->doff += bounce->bcount; 957 count += bounce->resid; 958 count = roundup(count, cd->params.blksize); 959 bounce->bcount = bounce->resid; 960 if (count > MAXPHYS) { 961 bounce->bcount = MAXPHYS - bounce->soff; 962 count = MAXPHYS; 963 } 964 965 nbp = getiobuf(NULL, false); 966 if (!nbp) { 967 /* No memory -- fail the iop. */ 968 bp->b_error = ENOMEM; 969 goto done; 970 } 971 972 /* Set up the IOP to the bounce buffer. */ 973 nbp->b_error = 0; 974 nbp->b_proc = obp->b_proc; 975 nbp->b_bcount = count; 976 nbp->b_bufsize = count; 977 nbp->b_data = bp->b_data; 978 nbp->b_rawblkno = blkno; 979 nbp->b_flags = obp->b_flags | B_READ; 980 nbp->b_oflags = obp->b_oflags; 981 nbp->b_cflags = obp->b_cflags; 982 nbp->b_iodone = cdbounce; 983 984 /* store bounce state in b_private and use new buf */ 985 nbp->b_private = bounce; 986 987 BIO_COPYPRIO(nbp, obp); 988 989 bp->b_data = NULL; 990 putiobuf(bp); 991 992 /* enqueue the request and return */ 993 s = splbio(); 994 BUFQ_PUT(cd->buf_queue, nbp); 995 cdstart(cd->sc_periph); 996 splx(s); 997 998 return; 999 } 1000 1001done: 1002 obp->b_error = bp->b_error; 1003 obp->b_resid = bp->b_resid; 1004 free(bp->b_data, M_DEVBUF); 1005 free(bounce, M_DEVBUF); 1006 bp->b_data = NULL; 1007 putiobuf(bp); 1008 biodone(obp); 1009} 1010 1011static int 1012cd_interpret_sense(struct scsipi_xfer *xs) 1013{ 1014 struct scsipi_periph *periph = xs->xs_periph; 1015 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1016 int retval = EJUSTRETURN; 1017 1018 /* 1019 * If it isn't a extended or extended/deferred error, let 1020 * the generic code handle it. 1021 */ 1022 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1023 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1024 return (retval); 1025 1026 /* 1027 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1028 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1029 * wait a bit for the drive to spin up 1030 */ 1031 1032 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1033 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 1034 /* 1035 * Sleep for 5 seconds to wait for the drive to spin up 1036 */ 1037 1038 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1039 "spinup\n")); 1040 if (!callout_pending(&periph->periph_callout)) 1041 scsipi_periph_freeze(periph, 1); 1042 callout_reset(&periph->periph_callout, 1043 5 * hz, scsipi_periph_timed_thaw, periph); 1044 retval = ERESTART; 1045 } 1046 1047 /* 1048 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 1049 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 1050 * then wait for the specified time 1051 */ 1052 1053 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1054 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 1055 /* 1056 * we could listen to the delay; but it looks like the skey 1057 * data is not always returned. 1058 */ 1059 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1060 1061 /* wait for a half second and get going again */ 1062 if (!callout_pending(&periph->periph_callout)) 1063 scsipi_periph_freeze(periph, 1); 1064 callout_reset(&periph->periph_callout, 1065 hz/2, scsipi_periph_timed_thaw, periph); 1066 retval = ERESTART; 1067 } 1068 1069 /* 1070 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1071 * progress" (Sense code 0x04, 0x08), then wait for the specified 1072 * time 1073 */ 1074 1075 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1076 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1077 /* 1078 * long write in process; we could listen to the delay; but it 1079 * looks like the skey data is not always returned. 1080 */ 1081 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1082 1083 /* wait for a half second and get going again */ 1084 if (!callout_pending(&periph->periph_callout)) 1085 scsipi_periph_freeze(periph, 1); 1086 callout_reset(&periph->periph_callout, 1087 hz/2, scsipi_periph_timed_thaw, periph); 1088 retval = ERESTART; 1089 } 1090 1091 return (retval); 1092} 1093 1094static void 1095cdminphys(struct buf *bp) 1096{ 1097 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1098 long xmax; 1099 1100 /* 1101 * If the device is ancient, we want to make sure that 1102 * the transfer fits into a 6-byte cdb. 1103 * 1104 * XXX Note that the SCSI-I spec says that 256-block transfers 1105 * are allowed in a 6-byte read/write, and are specified 1106 * by settng the "length" to 0. However, we're conservative 1107 * here, allowing only 255-block transfers in case an 1108 * ancient device gets confused by length == 0. A length of 0 1109 * in a 10-byte read/write actually means 0 blocks. 1110 */ 1111 if (cd->flags & CDF_ANCIENT) { 1112 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1113 1114 if (bp->b_bcount > xmax) 1115 bp->b_bcount = xmax; 1116 } 1117 1118 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1119} 1120 1121static int 1122cdread(dev_t dev, struct uio *uio, int ioflag) 1123{ 1124 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1125} 1126 1127static int 1128cdwrite(dev_t dev, struct uio *uio, int ioflag) 1129{ 1130 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1131} 1132 1133#if 0 /* XXX Not used */ 1134/* 1135 * conversion between minute-seconde-frame and logical block address 1136 * addresses format 1137 */ 1138static void 1139lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1140{ 1141 u_long tmp; 1142 1143 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1144 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1145 *m = tmp / (CD_SECS * CD_FRAMES); 1146 tmp %= (CD_SECS * CD_FRAMES); 1147 *s = tmp / CD_FRAMES; 1148 *f = tmp % CD_FRAMES; 1149} 1150#endif /* XXX Not used */ 1151 1152/* 1153 * Convert an hour:minute:second:frame address to a logical block adres. In 1154 * theory the number of secs/minute and number of frames/second could be 1155 * configured differently in the device as could the block offset but in 1156 * practice these values are rock solid and most drives don't even allow 1157 * theses values to be changed. 1158 */ 1159static uint32_t 1160hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1161{ 1162 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1163 - CD_BLOCK_OFFSET; 1164} 1165 1166static int 1167cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1168{ 1169 struct scsipi_periph *periph = cd->sc_periph; 1170 int error; 1171 struct cd_toc_entry *cte; 1172 1173 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1174 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1175 XS_CTL_DATA_ONSTACK, 1176 0x40 /* control word for "get MS info" */); 1177 1178 if (error) 1179 return (error); 1180 1181 cte = &toc->entries[0]; 1182 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1183 cte->addr.lba = le32toh(cte->addr.lba); 1184 toc->header.len = le16toh(toc->header.len); 1185 } else { 1186 cte->addr.lba = be32toh(cte->addr.lba); 1187 toc->header.len = be16toh(toc->header.len); 1188 } 1189 1190 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1191 cte->addr.lba : 0; 1192 return 0; 1193} 1194 1195/* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1196static int 1197cdcachesync(struct scsipi_periph *periph, int flags) { 1198 struct scsi_synchronize_cache_10 cmd; 1199 1200 /* 1201 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1202 * and length 0 as it can't synchronise parts of the disc per spec. 1203 * We ignore ILLEGAL REQUEST in the event that the command is not 1204 * supported by the device, and poll for completion so that we know 1205 * that the cache has actually been flushed. 1206 * 1207 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1208 */ 1209 1210 memset(&cmd, 0, sizeof(cmd)); 1211 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1212 1213 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1214 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1215} 1216 1217static int 1218do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1219 struct cd_formatted_toc *toc) 1220{ 1221 /* READ TOC format 0 command, entries */ 1222 struct ioc_toc_header *th; 1223 struct cd_toc_entry *cte; 1224 u_int len = te->data_len; 1225 int ntracks; 1226 int error; 1227 1228 th = &toc->header; 1229 1230 if (len > sizeof(toc->entries) || 1231 len < sizeof(toc->entries[0])) 1232 return (EINVAL); 1233 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1234 te->starting_track, toc, 1235 sizeof(toc->header) + len, 1236 XS_CTL_DATA_ONSTACK, 0); 1237 if (error) 1238 return (error); 1239 if (te->address_format == CD_LBA_FORMAT) 1240 for (ntracks = 1241 th->ending_track - th->starting_track + 1; 1242 ntracks >= 0; ntracks--) { 1243 cte = &toc->entries[ntracks]; 1244 cte->addr_type = CD_LBA_FORMAT; 1245 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1246 cte->addr.lba = le32toh(cte->addr.lba); 1247 else 1248 cte->addr.lba = be32toh(cte->addr.lba); 1249 } 1250 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1251 th->len = le16toh(th->len); 1252 else 1253 th->len = be16toh(th->len); 1254 return 0; 1255} 1256 1257/* 1258 * Perform special action on behalf of the user. 1259 * Knows about the internals of this device 1260 */ 1261static int 1262cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1263{ 1264 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1265 struct scsipi_periph *periph = cd->sc_periph; 1266 struct cd_formatted_toc toc; 1267 int part = CDPART(dev); 1268 int error = 0; 1269 int s; 1270#ifdef __HAVE_OLD_DISKLABEL 1271 struct disklabel *newlabel = NULL; 1272#endif 1273 1274 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1275 1276 /* 1277 * If the device is not valid, some IOCTLs can still be 1278 * handled on the raw partition. Check this here. 1279 */ 1280 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1281 switch (cmd) { 1282 case DIOCWLABEL: 1283 case DIOCLOCK: 1284 case ODIOCEJECT: 1285 case DIOCEJECT: 1286 case DIOCCACHESYNC: 1287 case SCIOCIDENTIFY: 1288 case OSCIOCIDENTIFY: 1289 case SCIOCCOMMAND: 1290 case SCIOCDEBUG: 1291 case CDIOCGETVOL: 1292 case CDIOCSETVOL: 1293 case CDIOCSETMONO: 1294 case CDIOCSETSTEREO: 1295 case CDIOCSETMUTE: 1296 case CDIOCSETLEFT: 1297 case CDIOCSETRIGHT: 1298 case CDIOCCLOSE: 1299 case CDIOCEJECT: 1300 case CDIOCALLOW: 1301 case CDIOCPREVENT: 1302 case CDIOCSETDEBUG: 1303 case CDIOCCLRDEBUG: 1304 case CDIOCRESET: 1305 case SCIOCRESET: 1306 case CDIOCLOADUNLOAD: 1307 case DVD_AUTH: 1308 case DVD_READ_STRUCT: 1309 case DIOCGSTRATEGY: 1310 case DIOCSSTRATEGY: 1311 if (part == RAW_PART) 1312 break; 1313 /* FALLTHROUGH */ 1314 default: 1315 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1316 return (ENODEV); 1317 else 1318 return (EIO); 1319 } 1320 } 1321 1322 switch (cmd) { 1323 case DIOCGDINFO: 1324 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1325 return (0); 1326#ifdef __HAVE_OLD_DISKLABEL 1327 case ODIOCGDINFO: 1328 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1329 if (newlabel == NULL) 1330 return (EIO); 1331 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1332 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1333 error = ENOTTY; 1334 else 1335 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1336 free(newlabel, M_TEMP); 1337 return error; 1338#endif 1339 1340 case DIOCGPART: 1341 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1342 ((struct partinfo *)addr)->part = 1343 &cd->sc_dk.dk_label->d_partitions[part]; 1344 return (0); 1345 1346 case DIOCWDINFO: 1347 case DIOCSDINFO: 1348#ifdef __HAVE_OLD_DISKLABEL 1349 case ODIOCWDINFO: 1350 case ODIOCSDINFO: 1351#endif 1352 { 1353 struct disklabel *lp; 1354 1355 if ((flag & FWRITE) == 0) 1356 return (EBADF); 1357 1358#ifdef __HAVE_OLD_DISKLABEL 1359 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1360 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1361 if (newlabel == NULL) 1362 return (EIO); 1363 memset(newlabel, 0, sizeof newlabel); 1364 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1365 lp = newlabel; 1366 } else 1367#endif 1368 lp = addr; 1369 1370 mutex_enter(&cd->sc_lock); 1371 cd->flags |= CDF_LABELLING; 1372 1373 error = setdisklabel(cd->sc_dk.dk_label, 1374 lp, /*cd->sc_dk.dk_openmask : */0, 1375 cd->sc_dk.dk_cpulabel); 1376 if (error == 0) { 1377 /* XXX ? */ 1378 } 1379 1380 cd->flags &= ~CDF_LABELLING; 1381 mutex_exit(&cd->sc_lock); 1382#ifdef __HAVE_OLD_DISKLABEL 1383 if (newlabel != NULL) 1384 free(newlabel, M_TEMP); 1385#endif 1386 return (error); 1387 } 1388 1389 case DIOCWLABEL: 1390 return (EBADF); 1391 1392 case DIOCGDEFLABEL: 1393 cdgetdefaultlabel(cd, &toc, addr); 1394 return (0); 1395 1396#ifdef __HAVE_OLD_DISKLABEL 1397 case ODIOCGDEFLABEL: 1398 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1399 if (newlabel == NULL) 1400 return (EIO); 1401 cdgetdefaultlabel(cd, &toc, newlabel); 1402 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1403 error = ENOTTY; 1404 else 1405 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1406 free(newlabel, M_TEMP); 1407 return error; 1408#endif 1409 1410 case CDIOCPLAYTRACKS: { 1411 /* PLAY_MSF command */ 1412 struct ioc_play_track *args = addr; 1413 1414 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1415 return (error); 1416 return (cd_play_tracks(cd, &toc, args->start_track, 1417 args->start_index, args->end_track, args->end_index)); 1418 } 1419 case CDIOCPLAYMSF: { 1420 /* PLAY_MSF command */ 1421 struct ioc_play_msf *args = addr; 1422 1423 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1424 return (error); 1425 return (cd_play_msf(cd, args->start_m, args->start_s, 1426 args->start_f, args->end_m, args->end_s, args->end_f)); 1427 } 1428 case CDIOCPLAYBLOCKS: { 1429 /* PLAY command */ 1430 struct ioc_play_blocks *args = addr; 1431 1432 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1433 return (error); 1434 return (cd_play(cd, args->blk, args->len)); 1435 } 1436 case CDIOCREADSUBCHANNEL: { 1437 /* READ_SUBCHANNEL command */ 1438 struct ioc_read_subchannel *args = addr; 1439 struct cd_sub_channel_info data; 1440 u_int len = args->data_len; 1441 1442 if (len > sizeof(data) || 1443 len < sizeof(struct cd_sub_channel_header)) 1444 return (EINVAL); 1445 error = cd_read_subchannel(cd, args->address_format, 1446 args->data_format, args->track, &data, len, 1447 XS_CTL_DATA_ONSTACK); 1448 if (error) 1449 return (error); 1450 len = min(len, _2btol(data.header.data_len) + 1451 sizeof(struct cd_sub_channel_header)); 1452 return (copyout(&data, args->data, len)); 1453 } 1454 case CDIOCREADSUBCHANNEL_BUF: { 1455 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1456 struct ioc_read_subchannel_buf *args = addr; 1457 if (args->req.data_len != sizeof args->info) 1458 return EINVAL; 1459 return cd_read_subchannel(cd, args->req.address_format, 1460 args->req.data_format, args->req.track, &args->info, 1461 sizeof args->info, XS_CTL_DATA_ONSTACK); 1462 } 1463 case CDIOREADTOCHEADER: { 1464 /* READ TOC format 0 command, static header */ 1465 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1466 &toc, sizeof(toc.header), 1467 XS_CTL_DATA_ONSTACK, 0)) != 0) 1468 return (error); 1469 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1470 toc.header.len = le16toh(toc.header.len); 1471 else 1472 toc.header.len = be16toh(toc.header.len); 1473 memcpy(addr, &toc.header, sizeof(toc.header)); 1474 return (0); 1475 } 1476 case CDIOREADTOCENTRYS: { 1477 struct ioc_read_toc_entry *te = addr; 1478 error = do_cdioreadentries(cd, te, &toc); 1479 if (error != 0) 1480 return error; 1481 return copyout(toc.entries, te->data, min(te->data_len, 1482 toc.header.len - (sizeof(toc.header.starting_track) 1483 + sizeof(toc.header.ending_track)))); 1484 } 1485 case CDIOREADTOCENTRIES_BUF: { 1486 struct ioc_read_toc_entry_buf *te = addr; 1487 error = do_cdioreadentries(cd, &te->req, &toc); 1488 if (error != 0) 1489 return error; 1490 memcpy(te->entry, toc.entries, min(te->req.data_len, 1491 toc.header.len - (sizeof(toc.header.starting_track) 1492 + sizeof(toc.header.ending_track)))); 1493 return 0; 1494 } 1495 case CDIOREADMSADDR: { 1496 /* READ TOC format 0 command, length of first track only */ 1497 int sessno = *(int*)addr; 1498 1499 if (sessno != 0) 1500 return (EINVAL); 1501 1502 return (cdreadmsaddr(cd, &toc, addr)); 1503 } 1504 case CDIOCSETPATCH: { 1505 struct ioc_patch *arg = addr; 1506 1507 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1508 arg->patch[2], arg->patch[3], 0)); 1509 } 1510 case CDIOCGETVOL: { 1511 /* MODE SENSE command (AUDIO page) */ 1512 struct ioc_vol *arg = addr; 1513 1514 return (cd_getvol(cd, arg, 0)); 1515 } 1516 case CDIOCSETVOL: { 1517 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1518 struct ioc_vol *arg = addr; 1519 1520 return (cd_setvol(cd, arg, 0)); 1521 } 1522 case CDIOCSETMONO: 1523 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1524 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1525 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1526 1527 case CDIOCSETSTEREO: 1528 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1529 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1530 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1531 1532 case CDIOCSETMUTE: 1533 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1534 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1535 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1536 1537 case CDIOCSETLEFT: 1538 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1539 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1540 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1541 1542 case CDIOCSETRIGHT: 1543 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1544 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1545 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1546 1547 case CDIOCRESUME: 1548 /* PAUSE command */ 1549 return (cd_pause(cd, PA_RESUME)); 1550 case CDIOCPAUSE: 1551 /* PAUSE command */ 1552 return (cd_pause(cd, PA_PAUSE)); 1553 case CDIOCSTART: 1554 return (scsipi_start(periph, SSS_START, 0)); 1555 case CDIOCSTOP: 1556 return (scsipi_start(periph, SSS_STOP, 0)); 1557 case CDIOCCLOSE: 1558 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1559 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1560 case DIOCEJECT: 1561 if (*(int *)addr == 0) { 1562 /* 1563 * Don't force eject: check that we are the only 1564 * partition open. If so, unlock it. 1565 */ 1566 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1567 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1568 cd->sc_dk.dk_openmask) { 1569 error = scsipi_prevent(periph, SPAMR_ALLOW, 1570 XS_CTL_IGNORE_NOT_READY); 1571 if (error) 1572 return (error); 1573 } else { 1574 return (EBUSY); 1575 } 1576 } 1577 /* FALLTHROUGH */ 1578 case CDIOCEJECT: /* FALLTHROUGH */ 1579 case ODIOCEJECT: 1580 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1581 case DIOCCACHESYNC: 1582 /* SYNCHRONISE CACHES command */ 1583 return (cdcachesync(periph, 0)); 1584 case CDIOCALLOW: 1585 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1586 case CDIOCPREVENT: 1587 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1588 case DIOCLOCK: 1589 return (scsipi_prevent(periph, 1590 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1591 case CDIOCSETDEBUG: 1592 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1593 return (0); 1594 case CDIOCCLRDEBUG: 1595 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1596 return (0); 1597 case CDIOCRESET: 1598 case SCIOCRESET: 1599 return (cd_reset(cd)); 1600 case CDIOCLOADUNLOAD: 1601 /* LOAD_UNLOAD command */ 1602 return (cd_load_unload(cd, addr)); 1603 case DVD_AUTH: 1604 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1605 return (dvd_auth(cd, addr)); 1606 case DVD_READ_STRUCT: 1607 /* GPCMD_READ_DVD_STRUCTURE command */ 1608 return (dvd_read_struct(cd, addr)); 1609 case MMCGETDISCINFO: 1610 /* 1611 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1612 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1613 */ 1614 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1615 case MMCGETTRACKINFO: 1616 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1617 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1618 case MMCOP: 1619 /* 1620 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1621 * SYNCHRONISE_CACHE commands 1622 */ 1623 return mmc_do_op(periph, (struct mmc_op *) addr); 1624 case MMCSETUPWRITEPARAMS : 1625 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1626 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1627 case DIOCGSTRATEGY: 1628 { 1629 struct disk_strategy *dks = addr; 1630 1631 s = splbio(); 1632 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1633 sizeof(dks->dks_name)); 1634 splx(s); 1635 dks->dks_paramlen = 0; 1636 1637 return 0; 1638 } 1639 case DIOCSSTRATEGY: 1640 { 1641 struct disk_strategy *dks = addr; 1642 struct bufq_state *new; 1643 struct bufq_state *old; 1644 1645 if ((flag & FWRITE) == 0) { 1646 return EBADF; 1647 } 1648 if (dks->dks_param != NULL) { 1649 return EINVAL; 1650 } 1651 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1652 error = bufq_alloc(&new, dks->dks_name, 1653 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1654 if (error) { 1655 return error; 1656 } 1657 s = splbio(); 1658 old = cd->buf_queue; 1659 bufq_move(new, old); 1660 cd->buf_queue = new; 1661 splx(s); 1662 bufq_free(old); 1663 1664 return 0; 1665 } 1666 default: 1667 if (part != RAW_PART) 1668 return (ENOTTY); 1669 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1670 } 1671 1672#ifdef DIAGNOSTIC 1673 panic("cdioctl: impossible"); 1674#endif 1675} 1676 1677static void 1678cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1679 struct disklabel *lp) 1680{ 1681 int lastsession; 1682 1683 memset(lp, 0, sizeof(struct disklabel)); 1684 1685 lp->d_secsize = cd->params.blksize; 1686 lp->d_ntracks = 1; 1687 lp->d_nsectors = 100; 1688 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1689 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1690 1691 switch (scsipi_periph_bustype(cd->sc_periph)) { 1692 case SCSIPI_BUSTYPE_SCSI: 1693 lp->d_type = DTYPE_SCSI; 1694 break; 1695 case SCSIPI_BUSTYPE_ATAPI: 1696 lp->d_type = DTYPE_ATAPI; 1697 break; 1698 } 1699 /* 1700 * XXX 1701 * We could probe the mode pages to figure out what kind of disc it is. 1702 * Is this worthwhile? 1703 */ 1704 strncpy(lp->d_typename, "mydisc", 16); 1705 strncpy(lp->d_packname, "fictitious", 16); 1706 lp->d_secperunit = cd->params.disksize; 1707 lp->d_rpm = 300; 1708 lp->d_interleave = 1; 1709 lp->d_flags = D_REMOVABLE; 1710 1711 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1712 lastsession = 0; 1713 1714 lp->d_partitions[0].p_offset = 0; 1715 lp->d_partitions[0].p_size = lp->d_secperunit; 1716 lp->d_partitions[0].p_cdsession = lastsession; 1717 lp->d_partitions[0].p_fstype = FS_ISO9660; 1718 lp->d_partitions[RAW_PART].p_offset = 0; 1719 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1720 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1721 lp->d_npartitions = RAW_PART + 1; 1722 1723 lp->d_magic = DISKMAGIC; 1724 lp->d_magic2 = DISKMAGIC; 1725 lp->d_checksum = dkcksum(lp); 1726} 1727 1728/* 1729 * Load the label information on the named device 1730 * Actually fabricate a disklabel 1731 * 1732 * EVENTUALLY take information about different 1733 * data tracks from the TOC and put it in the disklabel 1734 */ 1735static void 1736cdgetdisklabel(struct cd_softc *cd) 1737{ 1738 struct disklabel *lp = cd->sc_dk.dk_label; 1739 struct cd_formatted_toc toc; 1740 const char *errstring; 1741 1742 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1743 1744 cdgetdefaultlabel(cd, &toc, lp); 1745 1746 /* 1747 * Call the generic disklabel extraction routine 1748 */ 1749 errstring = readdisklabel(MAKECDDEV(0, device_unit(cd->sc_dev), 1750 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1751 1752 /* if all went OK, we are passed a NULL error string */ 1753 if (errstring == NULL) 1754 return; 1755 1756 /* Reset to default label -- after printing error and the warning */ 1757 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1758 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1759 cdgetdefaultlabel(cd, &toc, lp); 1760} 1761 1762/* 1763 * Reading a discs total capacity is aparently a very difficult issue for the 1764 * SCSI standardisation group. Every disc type seems to have its own 1765 * (re)invented size request method and modifiers. The failsafe way of 1766 * determining the total (max) capacity i.e. not the recorded capacity but the 1767 * total maximum capacity is to request the info on the last track and 1768 * calucate the total size. 1769 * 1770 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1771 * we count. 1772 */ 1773static int 1774read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1775{ 1776 struct scsipi_read_cd_capacity cap_cmd; 1777 struct scsipi_read_cd_cap_data cap; 1778 struct scsipi_read_discinfo di_cmd; 1779 struct scsipi_read_discinfo_data di; 1780 struct scsipi_read_trackinfo ti_cmd; 1781 struct scsipi_read_trackinfo_data ti; 1782 uint32_t track_start, track_size; 1783 int error, flags, msb, lsb, last_track; 1784 1785 /* if the device doesn't grog capacity, return the dummies */ 1786 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1787 return 0; 1788 1789 /* first try read CD capacity for blksize and recorded size */ 1790 /* issue the cd capacity request */ 1791 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1792 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1793 cap_cmd.opcode = READ_CD_CAPACITY; 1794 1795 error = scsipi_command(periph, 1796 (void *) &cap_cmd, sizeof(cap_cmd), 1797 (void *) &cap, sizeof(cap), 1798 CDRETRIES, 30000, NULL, flags); 1799 if (error) 1800 return error; 1801 1802 /* retrieve values and sanity check them */ 1803 *blksize = _4btol(cap.length); 1804 *size = _4btol(cap.addr); 1805 1806 /* blksize is 2048 for CD, but some drives give gibberish */ 1807 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1808 *blksize = 2048; /* some drives lie ! */ 1809 1810 /* recordables have READ_DISCINFO implemented */ 1811 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1812 memset(&di_cmd, 0, sizeof(di_cmd)); 1813 di_cmd.opcode = READ_DISCINFO; 1814 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1815 1816 error = scsipi_command(periph, 1817 (void *) &di_cmd, sizeof(di_cmd), 1818 (void *) &di, READ_DISCINFO_BIGSIZE, 1819 CDRETRIES, 30000, NULL, flags); 1820 if (error == 0) { 1821 msb = di.last_track_last_session_msb; 1822 lsb = di.last_track_last_session_lsb; 1823 last_track = (msb << 8) | lsb; 1824 1825 /* request info on last track */ 1826 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1827 ti_cmd.opcode = READ_TRACKINFO; 1828 ti_cmd.addr_type = 1; /* on tracknr */ 1829 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1830 _lto2b(sizeof(ti), ti_cmd.data_len); 1831 1832 error = scsipi_command(periph, 1833 (void *) &ti_cmd, sizeof(ti_cmd), 1834 (void *) &ti, sizeof(ti), 1835 CDRETRIES, 30000, NULL, flags); 1836 if (error == 0) { 1837 track_start = _4btol(ti.track_start); 1838 track_size = _4btol(ti.track_size); 1839 1840 /* overwrite only with a sane value */ 1841 if (track_start + track_size >= 100) 1842 *size = track_start + track_size; 1843 } 1844 } 1845 1846 /* sanity check for size */ 1847 if (*size < 100) 1848 *size = 400000; 1849 1850 return 0; 1851} 1852 1853/* 1854 * Find out from the device what it's capacity is 1855 */ 1856static u_long 1857cd_size(struct cd_softc *cd, int flags) 1858{ 1859 u_int blksize; 1860 u_long size; 1861 int error; 1862 1863 /* set up fake values */ 1864 blksize = 2048; 1865 size = 400000; 1866 1867 /* if this function bounces with an error return fake value */ 1868 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1869 if (error) 1870 return size; 1871 1872 if (blksize != 2048) { 1873 if (cd_setblksize(cd) == 0) 1874 blksize = 2048; 1875 } 1876 cd->params.blksize = blksize; 1877 cd->params.disksize = size; 1878 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1879 1880 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1881 ("cd_size: %u %lu\n", blksize, size)); 1882 1883 return size; 1884} 1885 1886/* 1887 * Get scsi driver to send a "start playing" command 1888 */ 1889static int 1890cd_play(struct cd_softc *cd, int blkno, int nblks) 1891{ 1892 struct scsipi_play cmd; 1893 1894 memset(&cmd, 0, sizeof(cmd)); 1895 cmd.opcode = PLAY; 1896 _lto4b(blkno, cmd.blk_addr); 1897 _lto2b(nblks, cmd.xfer_len); 1898 1899 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1900 CDRETRIES, 30000, NULL, 0)); 1901} 1902 1903/* 1904 * Get scsi driver to send a "start playing" command 1905 */ 1906static int 1907cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1908 int sindex, int etrack, int eindex) 1909{ 1910 int error; 1911 1912 if (!etrack) 1913 return (EIO); 1914 if (strack > etrack) 1915 return (EINVAL); 1916 1917 error = cd_load_toc(cd, CD_TOC_FORM, toc, XS_CTL_DATA_ONSTACK); 1918 if (error) 1919 return (error); 1920 1921 if (++etrack > (toc->header.ending_track+1)) 1922 etrack = toc->header.ending_track+1; 1923 1924 strack -= toc->header.starting_track; 1925 etrack -= toc->header.starting_track; 1926 if (strack < 0) 1927 return (EINVAL); 1928 1929 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1930 toc->entries[strack].addr.msf.second, 1931 toc->entries[strack].addr.msf.frame, 1932 toc->entries[etrack].addr.msf.minute, 1933 toc->entries[etrack].addr.msf.second, 1934 toc->entries[etrack].addr.msf.frame)); 1935} 1936 1937/* 1938 * Get scsi driver to send a "play msf" command 1939 */ 1940static int 1941cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1942 int ends, int endf) 1943{ 1944 struct scsipi_play_msf cmd; 1945 1946 memset(&cmd, 0, sizeof(cmd)); 1947 cmd.opcode = PLAY_MSF; 1948 cmd.start_m = startm; 1949 cmd.start_s = starts; 1950 cmd.start_f = startf; 1951 cmd.end_m = endm; 1952 cmd.end_s = ends; 1953 cmd.end_f = endf; 1954 1955 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1956 CDRETRIES, 30000, NULL, 0)); 1957} 1958 1959/* 1960 * Get scsi driver to send a "start up" command 1961 */ 1962static int 1963cd_pause(struct cd_softc *cd, int go) 1964{ 1965 struct scsipi_pause cmd; 1966 1967 memset(&cmd, 0, sizeof(cmd)); 1968 cmd.opcode = PAUSE; 1969 cmd.resume = go & 0xff; 1970 1971 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1972 CDRETRIES, 30000, NULL, 0)); 1973} 1974 1975/* 1976 * Get scsi driver to send a "RESET" command 1977 */ 1978static int 1979cd_reset(struct cd_softc *cd) 1980{ 1981 1982 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1983 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1984} 1985 1986/* 1987 * Read subchannel 1988 */ 1989static int 1990cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1991 struct cd_sub_channel_info *data, int len, int flags) 1992{ 1993 struct scsipi_read_subchannel cmd; 1994 1995 memset(&cmd, 0, sizeof(cmd)); 1996 cmd.opcode = READ_SUBCHANNEL; 1997 if (mode == CD_MSF_FORMAT) 1998 cmd.byte2 |= CD_MSF; 1999 cmd.byte3 = SRS_SUBQ; 2000 cmd.subchan_format = format; 2001 cmd.track = track; 2002 _lto2b(len, cmd.data_len); 2003 2004 return (scsipi_command(cd->sc_periph, 2005 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 2006 (void *)data, len, 2007 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 2008} 2009 2010/* 2011 * Read table of contents 2012 */ 2013static int 2014cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 2015 struct cd_formatted_toc *toc, int len, int flags, int control) 2016{ 2017 struct scsipi_read_toc cmd; 2018 int ntoc; 2019 2020 memset(&cmd, 0, sizeof(cmd)); 2021#if 0 2022 if (len != sizeof(struct ioc_toc_header)) 2023 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 2024 sizeof(struct cd_toc_entry); 2025 else 2026#endif 2027 ntoc = len; 2028 cmd.opcode = READ_TOC; 2029 if (mode == CD_MSF_FORMAT) 2030 cmd.addr_mode |= CD_MSF; 2031 cmd.resp_format = respf; 2032 cmd.from_track = start; 2033 _lto2b(ntoc, cmd.data_len); 2034 cmd.control = control; 2035 2036 return (scsipi_command(cd->sc_periph, 2037 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2038 30000, NULL, flags | XS_CTL_DATA_IN)); 2039} 2040 2041static int 2042cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2043{ 2044 int ntracks, len, error; 2045 2046 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2047 flags, 0)) != 0) 2048 return (error); 2049 2050 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2051 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2052 sizeof(toc->header); 2053 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2054 flags, 0)) != 0) 2055 return (error); 2056 return (0); 2057} 2058 2059/* 2060 * Get the scsi driver to send a full inquiry to the device and use the 2061 * results to fill out the disk parameter structure. 2062 */ 2063static int 2064cd_get_parms(struct cd_softc *cd, int flags) 2065{ 2066 2067 /* 2068 * give a number of sectors so that sec * trks * cyls 2069 * is <= disk_size 2070 */ 2071 if (cd_size(cd, flags) == 0) 2072 return (ENXIO); 2073 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2074 return (0); 2075} 2076 2077static int 2078cdsize(dev_t dev) 2079{ 2080 2081 /* CD-ROMs are read-only. */ 2082 return (-1); 2083} 2084 2085static int 2086cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2087{ 2088 2089 /* Not implemented. */ 2090 return (ENXIO); 2091} 2092 2093#define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2094#define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2095 2096static int 2097dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2098{ 2099 struct scsipi_generic cmd; 2100 u_int8_t bf[20]; 2101 int error; 2102 2103 memset(cmd.bytes, 0, 15); 2104 memset(bf, 0, sizeof(bf)); 2105 2106 switch (a->type) { 2107 case DVD_LU_SEND_AGID: 2108 cmd.opcode = GPCMD_REPORT_KEY; 2109 cmd.bytes[8] = 8; 2110 cmd.bytes[9] = 0 | (0 << 6); 2111 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2112 CDRETRIES, 30000, NULL, 2113 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2114 if (error) 2115 return (error); 2116 a->lsa.agid = bf[7] >> 6; 2117 return (0); 2118 2119 case DVD_LU_SEND_CHALLENGE: 2120 cmd.opcode = GPCMD_REPORT_KEY; 2121 cmd.bytes[8] = 16; 2122 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2123 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2124 CDRETRIES, 30000, NULL, 2125 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2126 if (error) 2127 return (error); 2128 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2129 return (0); 2130 2131 case DVD_LU_SEND_KEY1: 2132 cmd.opcode = GPCMD_REPORT_KEY; 2133 cmd.bytes[8] = 12; 2134 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2135 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2136 CDRETRIES, 30000, NULL, 2137 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2138 if (error) 2139 return (error); 2140 dvd_copy_key(a->lsk.key, &bf[4]); 2141 return (0); 2142 2143 case DVD_LU_SEND_TITLE_KEY: 2144 cmd.opcode = GPCMD_REPORT_KEY; 2145 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2146 cmd.bytes[8] = 12; 2147 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2148 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2149 CDRETRIES, 30000, NULL, 2150 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2151 if (error) 2152 return (error); 2153 a->lstk.cpm = (bf[4] >> 7) & 1; 2154 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2155 a->lstk.cgms = (bf[4] >> 4) & 3; 2156 dvd_copy_key(a->lstk.title_key, &bf[5]); 2157 return (0); 2158 2159 case DVD_LU_SEND_ASF: 2160 cmd.opcode = GPCMD_REPORT_KEY; 2161 cmd.bytes[8] = 8; 2162 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2163 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2164 CDRETRIES, 30000, NULL, 2165 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2166 if (error) 2167 return (error); 2168 a->lsasf.asf = bf[7] & 1; 2169 return (0); 2170 2171 case DVD_HOST_SEND_CHALLENGE: 2172 cmd.opcode = GPCMD_SEND_KEY; 2173 cmd.bytes[8] = 16; 2174 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2175 bf[1] = 14; 2176 dvd_copy_challenge(&bf[4], a->hsc.chal); 2177 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2178 CDRETRIES, 30000, NULL, 2179 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2180 if (error) 2181 return (error); 2182 a->type = DVD_LU_SEND_KEY1; 2183 return (0); 2184 2185 case DVD_HOST_SEND_KEY2: 2186 cmd.opcode = GPCMD_SEND_KEY; 2187 cmd.bytes[8] = 12; 2188 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2189 bf[1] = 10; 2190 dvd_copy_key(&bf[4], a->hsk.key); 2191 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2192 CDRETRIES, 30000, NULL, 2193 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2194 if (error) { 2195 a->type = DVD_AUTH_FAILURE; 2196 return (error); 2197 } 2198 a->type = DVD_AUTH_ESTABLISHED; 2199 return (0); 2200 2201 case DVD_INVALIDATE_AGID: 2202 cmd.opcode = GPCMD_REPORT_KEY; 2203 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2204 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2205 CDRETRIES, 30000, NULL, 0); 2206 if (error) 2207 return (error); 2208 return (0); 2209 2210 case DVD_LU_SEND_RPC_STATE: 2211 cmd.opcode = GPCMD_REPORT_KEY; 2212 cmd.bytes[8] = 8; 2213 cmd.bytes[9] = 8 | (0 << 6); 2214 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2215 CDRETRIES, 30000, NULL, 2216 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2217 if (error) 2218 return (error); 2219 a->lrpcs.type = (bf[4] >> 6) & 3; 2220 a->lrpcs.vra = (bf[4] >> 3) & 7; 2221 a->lrpcs.ucca = (bf[4]) & 7; 2222 a->lrpcs.region_mask = bf[5]; 2223 a->lrpcs.rpc_scheme = bf[6]; 2224 return (0); 2225 2226 case DVD_HOST_SEND_RPC_STATE: 2227 cmd.opcode = GPCMD_SEND_KEY; 2228 cmd.bytes[8] = 8; 2229 cmd.bytes[9] = 6 | (0 << 6); 2230 bf[1] = 6; 2231 bf[4] = a->hrpcs.pdrc; 2232 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2233 CDRETRIES, 30000, NULL, 2234 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2235 if (error) 2236 return (error); 2237 return (0); 2238 2239 default: 2240 return (ENOTTY); 2241 } 2242} 2243 2244static int 2245dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2246{ 2247 struct scsipi_generic cmd; 2248 u_int8_t bf[4 + 4 * 20], *bufp; 2249 int error; 2250 struct dvd_layer *layer; 2251 int i; 2252 2253 memset(cmd.bytes, 0, 15); 2254 memset(bf, 0, sizeof(bf)); 2255 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2256 cmd.bytes[6] = s->type; 2257 _lto2b(sizeof(bf), &cmd.bytes[7]); 2258 2259 cmd.bytes[5] = s->physical.layer_num; 2260 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2261 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2262 if (error) 2263 return (error); 2264 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2265 i++, bufp += 20, layer++) { 2266 memset(layer, 0, sizeof(*layer)); 2267 layer->book_version = bufp[0] & 0xf; 2268 layer->book_type = bufp[0] >> 4; 2269 layer->min_rate = bufp[1] & 0xf; 2270 layer->disc_size = bufp[1] >> 4; 2271 layer->layer_type = bufp[2] & 0xf; 2272 layer->track_path = (bufp[2] >> 4) & 1; 2273 layer->nlayers = (bufp[2] >> 5) & 3; 2274 layer->track_density = bufp[3] & 0xf; 2275 layer->linear_density = bufp[3] >> 4; 2276 layer->start_sector = _4btol(&bufp[4]); 2277 layer->end_sector = _4btol(&bufp[8]); 2278 layer->end_sector_l0 = _4btol(&bufp[12]); 2279 layer->bca = bufp[16] >> 7; 2280 } 2281 return (0); 2282} 2283 2284static int 2285dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2286{ 2287 struct scsipi_generic cmd; 2288 u_int8_t bf[8]; 2289 int error; 2290 2291 memset(cmd.bytes, 0, 15); 2292 memset(bf, 0, sizeof(bf)); 2293 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2294 cmd.bytes[6] = s->type; 2295 _lto2b(sizeof(bf), &cmd.bytes[7]); 2296 2297 cmd.bytes[5] = s->copyright.layer_num; 2298 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2299 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2300 if (error) 2301 return (error); 2302 s->copyright.cpst = bf[4]; 2303 s->copyright.rmi = bf[5]; 2304 return (0); 2305} 2306 2307static int 2308dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2309{ 2310 struct scsipi_generic cmd; 2311 u_int8_t *bf; 2312 int error; 2313 2314 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2315 if (bf == NULL) 2316 return EIO; 2317 memset(cmd.bytes, 0, 15); 2318 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2319 cmd.bytes[6] = s->type; 2320 _lto2b(4 + 2048, &cmd.bytes[7]); 2321 2322 cmd.bytes[9] = s->disckey.agid << 6; 2323 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2324 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2325 if (error == 0) 2326 memcpy(s->disckey.value, &bf[4], 2048); 2327 free(bf, M_TEMP); 2328 return error; 2329} 2330 2331static int 2332dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2333{ 2334 struct scsipi_generic cmd; 2335 u_int8_t bf[4 + 188]; 2336 int error; 2337 2338 memset(cmd.bytes, 0, 15); 2339 memset(bf, 0, sizeof(bf)); 2340 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2341 cmd.bytes[6] = s->type; 2342 _lto2b(sizeof(bf), &cmd.bytes[7]); 2343 2344 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2345 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2346 if (error) 2347 return (error); 2348 s->bca.len = _2btol(&bf[0]); 2349 if (s->bca.len < 12 || s->bca.len > 188) 2350 return (EIO); 2351 memcpy(s->bca.value, &bf[4], s->bca.len); 2352 return (0); 2353} 2354 2355static int 2356dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2357{ 2358 struct scsipi_generic cmd; 2359 u_int8_t *bf; 2360 int error; 2361 2362 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2363 if (bf == NULL) 2364 return (EIO); 2365 memset(cmd.bytes, 0, 15); 2366 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2367 cmd.bytes[6] = s->type; 2368 _lto2b(4 + 2048, &cmd.bytes[7]); 2369 2370 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2371 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2372 if (error == 0) { 2373 s->manufact.len = _2btol(&bf[0]); 2374 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2375 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2376 else 2377 error = EIO; 2378 } 2379 free(bf, M_TEMP); 2380 return error; 2381} 2382 2383static int 2384dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2385{ 2386 2387 switch (s->type) { 2388 case DVD_STRUCT_PHYSICAL: 2389 return (dvd_read_physical(cd, s)); 2390 case DVD_STRUCT_COPYRIGHT: 2391 return (dvd_read_copyright(cd, s)); 2392 case DVD_STRUCT_DISCKEY: 2393 return (dvd_read_disckey(cd, s)); 2394 case DVD_STRUCT_BCA: 2395 return (dvd_read_bca(cd, s)); 2396 case DVD_STRUCT_MANUFACT: 2397 return (dvd_read_manufact(cd, s)); 2398 default: 2399 return (EINVAL); 2400 } 2401} 2402 2403static int 2404cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2405 int page, int flags, int *big) 2406{ 2407 2408 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2409 *big = 1; 2410 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2411 size + sizeof(struct scsi_mode_parameter_header_10), 2412 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2413 } else { 2414 *big = 0; 2415 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2416 size + sizeof(struct scsi_mode_parameter_header_6), 2417 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2418 } 2419} 2420 2421static int 2422cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2423 int flags, int big) 2424{ 2425 2426 if (big) { 2427 struct scsi_mode_parameter_header_10 *header = sense; 2428 2429 _lto2b(0, header->data_length); 2430 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2431 size + sizeof(struct scsi_mode_parameter_header_10), 2432 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2433 } else { 2434 struct scsi_mode_parameter_header_6 *header = sense; 2435 2436 header->data_length = 0; 2437 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2438 size + sizeof(struct scsi_mode_parameter_header_6), 2439 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2440 } 2441} 2442 2443static int 2444cd_set_pa_immed(struct cd_softc *cd, int flags) 2445{ 2446 struct { 2447 union { 2448 struct scsi_mode_parameter_header_6 small; 2449 struct scsi_mode_parameter_header_10 big; 2450 } header; 2451 struct cd_audio_page page; 2452 } data; 2453 int error; 2454 uint8_t oflags; 2455 int big, byte2; 2456 struct cd_audio_page *page; 2457 2458 byte2 = SMS_DBD; 2459try_again: 2460 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2461 AUDIO_PAGE, flags, &big)) != 0) { 2462 if (byte2 == SMS_DBD) { 2463 /* Device may not understand DBD; retry without */ 2464 byte2 = 0; 2465 goto try_again; 2466 } 2467 return (error); 2468 } 2469 2470 if (big) 2471 page = (void *)((u_long)&data.header.big + 2472 sizeof data.header.big + 2473 _2btol(data.header.big.blk_desc_len)); 2474 else 2475 page = (void *)((u_long)&data.header.small + 2476 sizeof data.header.small + 2477 data.header.small.blk_desc_len); 2478 2479 oflags = page->flags; 2480 page->flags &= ~CD_PA_SOTC; 2481 page->flags |= CD_PA_IMMED; 2482 if (oflags == page->flags) 2483 return (0); 2484 2485 return (cd_mode_select(cd, SMS_PF, &data, 2486 sizeof(struct scsi_mode_page_header) + page->pg_length, 2487 flags, big)); 2488} 2489 2490static int 2491cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2492{ 2493 struct { 2494 union { 2495 struct scsi_mode_parameter_header_6 small; 2496 struct scsi_mode_parameter_header_10 big; 2497 } header; 2498 struct cd_audio_page page; 2499 } data; 2500 int error; 2501 int big, byte2; 2502 struct cd_audio_page *page; 2503 2504 byte2 = SMS_DBD; 2505try_again: 2506 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2507 AUDIO_PAGE, flags, &big)) != 0) { 2508 if (byte2 == SMS_DBD) { 2509 /* Device may not understand DBD; retry without */ 2510 byte2 = 0; 2511 goto try_again; 2512 } 2513 return (error); 2514 } 2515 2516 if (big) 2517 page = (void *)((u_long)&data.header.big + 2518 sizeof data.header.big + 2519 _2btol(data.header.big.blk_desc_len)); 2520 else 2521 page = (void *)((u_long)&data.header.small + 2522 sizeof data.header.small + 2523 data.header.small.blk_desc_len); 2524 2525 page->port[0].channels = p0; 2526 page->port[1].channels = p1; 2527 page->port[2].channels = p2; 2528 page->port[3].channels = p3; 2529 2530 return (cd_mode_select(cd, SMS_PF, &data, 2531 sizeof(struct scsi_mode_page_header) + page->pg_length, 2532 flags, big)); 2533} 2534 2535static int 2536cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2537{ 2538 struct { 2539 union { 2540 struct scsi_mode_parameter_header_6 small; 2541 struct scsi_mode_parameter_header_10 big; 2542 } header; 2543 struct cd_audio_page page; 2544 } data; 2545 int error; 2546 int big, byte2; 2547 struct cd_audio_page *page; 2548 2549 byte2 = SMS_DBD; 2550try_again: 2551 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2552 AUDIO_PAGE, flags, &big)) != 0) { 2553 if (byte2 == SMS_DBD) { 2554 /* Device may not understand DBD; retry without */ 2555 byte2 = 0; 2556 goto try_again; 2557 } 2558 return (error); 2559 } 2560 2561 if (big) 2562 page = (void *)((u_long)&data.header.big + 2563 sizeof data.header.big + 2564 _2btol(data.header.big.blk_desc_len)); 2565 else 2566 page = (void *)((u_long)&data.header.small + 2567 sizeof data.header.small + 2568 data.header.small.blk_desc_len); 2569 2570 arg->vol[0] = page->port[0].volume; 2571 arg->vol[1] = page->port[1].volume; 2572 arg->vol[2] = page->port[2].volume; 2573 arg->vol[3] = page->port[3].volume; 2574 2575 return (0); 2576} 2577 2578static int 2579cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2580{ 2581 struct { 2582 union { 2583 struct scsi_mode_parameter_header_6 small; 2584 struct scsi_mode_parameter_header_10 big; 2585 } header; 2586 struct cd_audio_page page; 2587 } data, mask; 2588 int error; 2589 int big, byte2; 2590 struct cd_audio_page *page, *page2; 2591 2592 byte2 = SMS_DBD; 2593try_again: 2594 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2595 AUDIO_PAGE, flags, &big)) != 0) { 2596 if (byte2 == SMS_DBD) { 2597 /* Device may not understand DBD; retry without */ 2598 byte2 = 0; 2599 goto try_again; 2600 } 2601 return (error); 2602 } 2603 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2604 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2605 return (error); 2606 2607 if (big) { 2608 page = (void *)((u_long)&data.header.big + 2609 sizeof data.header.big + 2610 _2btol(data.header.big.blk_desc_len)); 2611 page2 = (void *)((u_long)&mask.header.big + 2612 sizeof mask.header.big + 2613 _2btol(mask.header.big.blk_desc_len)); 2614 } else { 2615 page = (void *)((u_long)&data.header.small + 2616 sizeof data.header.small + 2617 data.header.small.blk_desc_len); 2618 page2 = (void *)((u_long)&mask.header.small + 2619 sizeof mask.header.small + 2620 mask.header.small.blk_desc_len); 2621 } 2622 2623 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2624 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2625 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2626 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2627 2628 page->port[0].channels = CHANNEL_0; 2629 page->port[1].channels = CHANNEL_1; 2630 2631 return (cd_mode_select(cd, SMS_PF, &data, 2632 sizeof(struct scsi_mode_page_header) + page->pg_length, 2633 flags, big)); 2634} 2635 2636static int 2637cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2638{ 2639 struct scsipi_load_unload cmd; 2640 2641 memset(&cmd, 0, sizeof(cmd)); 2642 cmd.opcode = LOAD_UNLOAD; 2643 cmd.options = args->options; /* ioctl uses MMC values */ 2644 cmd.slot = args->slot; 2645 2646 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2647 CDRETRIES, 200000, NULL, 0)); 2648} 2649 2650static int 2651cd_setblksize(struct cd_softc *cd) 2652{ 2653 struct { 2654 union { 2655 struct scsi_mode_parameter_header_6 small; 2656 struct scsi_mode_parameter_header_10 big; 2657 } header; 2658 struct scsi_general_block_descriptor blk_desc; 2659 } data; 2660 int error; 2661 int big, bsize; 2662 struct scsi_general_block_descriptor *bdesc; 2663 2664 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2665 &big)) != 0) 2666 return (error); 2667 2668 if (big) { 2669 bdesc = (void *)(&data.header.big + 1); 2670 bsize = _2btol(data.header.big.blk_desc_len); 2671 } else { 2672 bdesc = (void *)(&data.header.small + 1); 2673 bsize = data.header.small.blk_desc_len; 2674 } 2675 2676 if (bsize == 0) { 2677printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2678 return (EINVAL); 2679 } 2680 if (_3btol(bdesc->blklen) == 2048) { 2681printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2682 return (EINVAL); 2683 } 2684 2685 _lto3b(2048, bdesc->blklen); 2686 2687 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2688 big)); 2689} 2690 2691 2692static int 2693mmc_profile2class(uint16_t mmc_profile) 2694{ 2695 switch (mmc_profile) { 2696 case 0x01 : /* SCSI discs */ 2697 case 0x02 : 2698 /* this can't happen really, cd.c wouldn't have matched */ 2699 return MMC_CLASS_DISC; 2700 case 0x03 : /* Magneto Optical with sector erase */ 2701 case 0x04 : /* Magneto Optical write once */ 2702 case 0x05 : /* Advance Storage Magneto Optical */ 2703 return MMC_CLASS_MO; 2704 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2705 case 0x08 : /* CD-ROM */ 2706 case 0x09 : /* CD-R */ 2707 case 0x0a : /* CD-RW */ 2708 return MMC_CLASS_CD; 2709 case 0x10 : /* DVD-ROM */ 2710 case 0x11 : /* DVD-R */ 2711 case 0x12 : /* DVD-RAM */ 2712 case 0x13 : /* DVD-RW restricted overwrite */ 2713 case 0x14 : /* DVD-RW sequential */ 2714 case 0x1a : /* DVD+RW */ 2715 case 0x1b : /* DVD+R */ 2716 case 0x2a : /* DVD+RW Dual layer */ 2717 case 0x2b : /* DVD+R Dual layer */ 2718 case 0x50 : /* HD DVD-ROM */ 2719 case 0x51 : /* HD DVD-R */ 2720 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2721 return MMC_CLASS_DVD; 2722 case 0x40 : /* BD-ROM */ 2723 case 0x41 : /* BD-R Sequential recording (SRM) */ 2724 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2725 case 0x43 : /* BD-RE */ 2726 return MMC_CLASS_BD; 2727 } 2728 return MMC_CLASS_UNKN; 2729} 2730 2731 2732/* 2733 * Drive/media combination is reflected in a series of features that can 2734 * either be current or dormant. We try to make sense out of them to create a 2735 * set of easy to use flags that abstract the device/media capabilities. 2736 */ 2737 2738static void 2739mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2740 uint16_t feature, int cur, uint8_t *rpos) 2741{ 2742 uint32_t blockingnr; 2743 uint64_t flags; 2744 2745 if (cur == 1) { 2746 flags = mmc_discinfo->mmc_cur; 2747 } else { 2748 flags = mmc_discinfo->mmc_cap; 2749 } 2750 2751 switch (feature) { 2752 case 0x0010 : /* random readable feature */ 2753 blockingnr = rpos[5] | (rpos[4] << 8); 2754 if (blockingnr > 1) 2755 flags |= MMC_CAP_PACKET; 2756 2757 /* RW error page */ 2758 break; 2759 case 0x0020 : /* random writable feature */ 2760 flags |= MMC_CAP_RECORDABLE; 2761 flags |= MMC_CAP_REWRITABLE; 2762 blockingnr = rpos[9] | (rpos[8] << 8); 2763 if (blockingnr > 1) 2764 flags |= MMC_CAP_PACKET; 2765 break; 2766 case 0x0021 : /* incremental streaming write feature */ 2767 flags |= MMC_CAP_RECORDABLE; 2768 flags |= MMC_CAP_SEQUENTIAL; 2769 if (cur) 2770 mmc_discinfo->link_block_penalty = rpos[4]; 2771 if (rpos[2] & 1) 2772 flags |= MMC_CAP_ZEROLINKBLK; 2773 break; 2774 case 0x0022 : /* (obsolete) erase support feature */ 2775 flags |= MMC_CAP_RECORDABLE; 2776 flags |= MMC_CAP_ERASABLE; 2777 break; 2778 case 0x0023 : /* formatting media support feature */ 2779 flags |= MMC_CAP_RECORDABLE; 2780 flags |= MMC_CAP_FORMATTABLE; 2781 break; 2782 case 0x0024 : /* hardware assised defect management feature */ 2783 flags |= MMC_CAP_HW_DEFECTFREE; 2784 break; 2785 case 0x0025 : /* write once */ 2786 flags |= MMC_CAP_RECORDABLE; 2787 break; 2788 case 0x0026 : /* restricted overwrite feature */ 2789 flags |= MMC_CAP_RECORDABLE; 2790 flags |= MMC_CAP_REWRITABLE; 2791 flags |= MMC_CAP_STRICTOVERWRITE; 2792 break; 2793 case 0x0028 : /* MRW formatted media support feature */ 2794 flags |= MMC_CAP_MRW; 2795 break; 2796 case 0x002b : /* DVD+R read (and opt. write) support */ 2797 flags |= MMC_CAP_SEQUENTIAL; 2798 if (rpos[0] & 1) /* write support */ 2799 flags |= MMC_CAP_RECORDABLE; 2800 break; 2801 case 0x002c : /* rigid restricted overwrite feature */ 2802 flags |= MMC_CAP_RECORDABLE; 2803 flags |= MMC_CAP_REWRITABLE; 2804 flags |= MMC_CAP_STRICTOVERWRITE; 2805 if (rpos[0] & 1) /* blank bit */ 2806 flags |= MMC_CAP_BLANKABLE; 2807 break; 2808 case 0x002d : /* track at once recording feature */ 2809 flags |= MMC_CAP_RECORDABLE; 2810 flags |= MMC_CAP_SEQUENTIAL; 2811 break; 2812 case 0x002f : /* DVD-R/-RW write feature */ 2813 flags |= MMC_CAP_RECORDABLE; 2814 if (rpos[0] & 2) /* DVD-RW bit */ 2815 flags |= MMC_CAP_BLANKABLE; 2816 break; 2817 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2818 flags |= MMC_CAP_PSEUDOOVERWRITE; 2819 break; 2820 default : 2821 /* ignore */ 2822 break; 2823 } 2824 2825 if (cur == 1) { 2826 mmc_discinfo->mmc_cur = flags; 2827 } else { 2828 mmc_discinfo->mmc_cap = flags; 2829 } 2830} 2831 2832static int 2833mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2834 struct mmc_discinfo *mmc_discinfo) 2835{ 2836 struct scsipi_read_toc gtoc_cmd; 2837 struct scsipi_toc_header *toc_hdr; 2838 struct scsipi_toc_msinfo *toc_msinfo; 2839 const uint32_t buffer_size = 1024; 2840 uint32_t req_size; 2841 uint8_t *buffer; 2842 int error, flags; 2843 2844 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2845 /* 2846 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2847 * care' but others might be of interest to programs. 2848 */ 2849 2850 mmc_discinfo->disc_state = MMC_STATE_FULL; 2851 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2852 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2853 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2854 2855 /* get number of sessions and first tracknr in last session */ 2856 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2857 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2858 gtoc_cmd.opcode = READ_TOC; 2859 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2860 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2861 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2862 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2863 _lto2b(req_size, gtoc_cmd.data_len); 2864 2865 error = scsipi_command(periph, 2866 (void *)>oc_cmd, sizeof(gtoc_cmd), 2867 (void *)buffer, req_size, 2868 CDRETRIES, 30000, NULL, flags); 2869 if (error) 2870 goto out; 2871 toc_hdr = (struct scsipi_toc_header *) buffer; 2872 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2873 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2874 mmc_discinfo->first_track = toc_hdr->first; 2875 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2876 2877 /* get last track of last session */ 2878 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2879 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2880 req_size = sizeof(*toc_hdr); 2881 _lto2b(req_size, gtoc_cmd.data_len); 2882 2883 error = scsipi_command(periph, 2884 (void *)>oc_cmd, sizeof(gtoc_cmd), 2885 (void *)buffer, req_size, 2886 CDRETRIES, 30000, NULL, flags); 2887 if (error) 2888 goto out; 2889 toc_hdr = (struct scsipi_toc_header *) buffer; 2890 mmc_discinfo->last_track_last_session = toc_hdr->last; 2891 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2892 2893 /* TODO how to handle disc_barcode and disc_id */ 2894 /* done */ 2895 2896out: 2897 free(buffer, M_TEMP); 2898 return error; 2899} 2900 2901static int 2902mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2903 struct mmc_discinfo *mmc_discinfo) 2904{ 2905 struct scsipi_read_toc gtoc_cmd; 2906 struct scsipi_toc_header toc_hdr; 2907 uint32_t req_size; 2908 int error, flags; 2909 2910 /* 2911 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2912 * care' but others might be of interest to programs. 2913 */ 2914 2915 mmc_discinfo->disc_state = MMC_STATE_FULL; 2916 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2917 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2918 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2919 2920 /* get number of sessions and first tracknr in last session */ 2921 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2922 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2923 gtoc_cmd.opcode = READ_TOC; 2924 gtoc_cmd.addr_mode = 0; /* LBA */ 2925 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2926 gtoc_cmd.from_track = 1; /* first track */ 2927 req_size = sizeof(toc_hdr); 2928 _lto2b(req_size, gtoc_cmd.data_len); 2929 2930 error = scsipi_command(periph, 2931 (void *)>oc_cmd, sizeof(gtoc_cmd), 2932 (void *)&toc_hdr, req_size, 2933 CDRETRIES, 30000, NULL, flags); 2934 if (error) 2935 return error; 2936 2937 /* DVD-ROM squashes the track/session space */ 2938 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2939 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2940 mmc_discinfo->first_track = toc_hdr.first; 2941 mmc_discinfo->first_track_last_session = toc_hdr.last; 2942 mmc_discinfo->last_track_last_session = toc_hdr.last; 2943 2944 /* TODO how to handle disc_barcode and disc_id */ 2945 /* done */ 2946 return 0; 2947} 2948 2949static int 2950mmc_getdiscinfo(struct scsipi_periph *periph, 2951 struct mmc_discinfo *mmc_discinfo) 2952{ 2953 struct scsipi_get_configuration gc_cmd; 2954 struct scsipi_get_conf_data *gc; 2955 struct scsipi_get_conf_feature *gcf; 2956 struct scsipi_read_discinfo di_cmd; 2957 struct scsipi_read_discinfo_data di; 2958 const uint32_t buffer_size = 1024; 2959 uint32_t feat_tbl_len, pos; 2960 u_long last_lba; 2961 uint8_t *buffer, *fpos; 2962 int feature, last_feature, features_len, feature_cur, feature_len; 2963 int lsb, msb, error, flags; 2964 2965 feat_tbl_len = buffer_size; 2966 2967 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2968 2969 /* initialise structure */ 2970 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2971 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2972 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2973 mmc_discinfo->mmc_cur = 0; 2974 mmc_discinfo->mmc_cap = 0; 2975 mmc_discinfo->link_block_penalty = 0; 2976 2977 /* determine mmc profile and class */ 2978 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2979 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2980 gc_cmd.opcode = GET_CONFIGURATION; 2981 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2982 2983 gc = (struct scsipi_get_conf_data *) buffer; 2984 2985 error = scsipi_command(periph, 2986 (void *)&gc_cmd, sizeof(gc_cmd), 2987 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2988 CDRETRIES, 30000, NULL, flags); 2989 if (error) 2990 goto out; 2991 2992 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2993 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2994 2995 /* assume 2048 sector size unless told otherwise */ 2996 mmc_discinfo->sector_size = 2048; 2997 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2998 if (error) 2999 goto out; 3000 3001 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 3002 3003 /* Read in all features to determine device capabilities */ 3004 last_feature = feature = 0; 3005 do { 3006 /* determine mmc profile and class */ 3007 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3008 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3009 gc_cmd.opcode = GET_CONFIGURATION; 3010 _lto2b(last_feature, gc_cmd.start_at_feature); 3011 _lto2b(feat_tbl_len, gc_cmd.data_len); 3012 3013 error = scsipi_command(periph, 3014 (void *)&gc_cmd, sizeof(gc_cmd), 3015 (void *) gc, feat_tbl_len, 3016 CDRETRIES, 30000, NULL, flags); 3017 if (error) { 3018 /* ieeek... break out of loop... i dunno what to do */ 3019 break; 3020 } 3021 3022 features_len = _4btol(gc->data_len); 3023 3024 pos = 0; 3025 fpos = &gc->feature_desc[0]; 3026 while (pos < features_len - 4) { 3027 gcf = (struct scsipi_get_conf_feature *) fpos; 3028 3029 feature = _2btol(gcf->featurecode); 3030 feature_cur = gcf->flags & 1; 3031 feature_len = gcf->additional_length; 3032 3033 mmc_process_feature(mmc_discinfo, 3034 feature, feature_cur, 3035 gcf->feature_dependent); 3036 3037 last_feature = MAX(last_feature, feature); 3038#ifdef DIAGNOSTIC 3039 /* assert((feature_len & 3) == 0); */ 3040 if ((feature_len & 3) != 0) { 3041 printf("feature %d having length %d\n", 3042 feature, feature_len); 3043 } 3044#endif 3045 3046 pos += 4 + feature_len; 3047 fpos += 4 + feature_len; 3048 } 3049 /* unlikely to ever grow past our 1kb buffer */ 3050 } while (features_len >= 0xffff); 3051 3052 /* 3053 * Fixup CD-RW drives that are on crack. 3054 * 3055 * Some drives report the capability to incrementally write 3056 * sequentially on CD-R(W) media... nice, but this should not be 3057 * active for a fixed packet formatted CD-RW media. Other report the 3058 * ability of HW_DEFECTFREE even when the media is NOT MRW 3059 * formatted.... 3060 */ 3061 if (mmc_discinfo->mmc_profile == 0x0a) { 3062 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 3063 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 3064 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 3065 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3066 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 3067 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3068 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 3069 } else { 3070 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 3071 } 3072 } 3073 if (mmc_discinfo->mmc_profile == 0x09) { 3074 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 3075 } 3076 3077#ifdef DEBUG 3078 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3079 mmc_discinfo->mmc_profile, 3080 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3081#endif 3082 3083 /* read in disc state and number of sessions and tracks */ 3084 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3085 memset(&di_cmd, 0, sizeof(di_cmd)); 3086 di_cmd.opcode = READ_DISCINFO; 3087 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3088 3089 error = scsipi_command(periph, 3090 (void *)&di_cmd, sizeof(di_cmd), 3091 (void *)&di, READ_DISCINFO_BIGSIZE, 3092 CDRETRIES, 30000, NULL, flags); 3093 3094 if (error) { 3095 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3096 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3097 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3098 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3099 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3100 /* CD/DVD drive is violating specs */ 3101 error = EIO; 3102 goto out; 3103 } 3104 3105 /* call went OK */ 3106 mmc_discinfo->disc_state = di.disc_state & 3; 3107 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3108 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3109 3110 lsb = di.num_sessions_lsb; 3111 msb = di.num_sessions_msb; 3112 mmc_discinfo->num_sessions = lsb | (msb << 8); 3113 3114 mmc_discinfo->first_track = di.first_track; 3115 lsb = di.first_track_last_session_lsb; 3116 msb = di.first_track_last_session_msb; 3117 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3118 lsb = di.last_track_last_session_lsb; 3119 msb = di.last_track_last_session_msb; 3120 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3121 3122 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3123 mmc_discinfo->first_track + 1; 3124 3125 /* set misc. flags and parameters from this disc info */ 3126 if (di.disc_state & 16) 3127 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3128 3129 if (di.disc_state2 & 128) { 3130 mmc_discinfo->disc_id = _4btol(di.discid); 3131 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3132 } 3133 if (di.disc_state2 & 64) { 3134 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3135 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3136 } 3137 if (di.disc_state2 & 32) 3138 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3139 3140 if (di.disc_state2 & 16) { 3141 mmc_discinfo->application_code = di.application_code; 3142 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3143 } 3144 3145 /* done */ 3146 3147out: 3148 free(buffer, M_TEMP); 3149 return error; 3150} 3151 3152static int 3153mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3154 struct mmc_trackinfo *trackinfo) 3155{ 3156 struct scsipi_read_toc gtoc_cmd; 3157 struct scsipi_toc_header *toc_hdr; 3158 struct scsipi_toc_rawtoc *rawtoc; 3159 uint32_t track_start, track_end, track_size; 3160 uint32_t last_recorded, next_writable; 3161 uint32_t lba, next_track_start, lead_out; 3162 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3163 uint8_t *buffer; 3164 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3165 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3166 int size, req_size; 3167 int error, flags; 3168 3169 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3170 3171 /* 3172 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3173 * 3174 * Not all information is present and this presents a problem. Track 3175 * starts are known for each track but other values are deducted. 3176 * 3177 * For a complete overview of `magic' values used here, see the 3178 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3179 * names, they are specified as numbers. 3180 */ 3181 3182 /* get raw toc to process, first header to check size */ 3183 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3184 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3185 gtoc_cmd.opcode = READ_TOC; 3186 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3187 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3188 gtoc_cmd.from_track = 1; /* first session */ 3189 req_size = sizeof(*toc_hdr); 3190 _lto2b(req_size, gtoc_cmd.data_len); 3191 3192 error = scsipi_command(periph, 3193 (void *)>oc_cmd, sizeof(gtoc_cmd), 3194 (void *)buffer, req_size, 3195 CDRETRIES, 30000, NULL, flags); 3196 if (error) 3197 goto out; 3198 toc_hdr = (struct scsipi_toc_header *) buffer; 3199 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3200#ifdef DIAGNOSTIC 3201 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3202#endif 3203 error = ENOBUFS; 3204 goto out; 3205 } 3206 3207 /* read in complete raw toc */ 3208 req_size = _2btol(toc_hdr->length); 3209 _lto2b(req_size, gtoc_cmd.data_len); 3210 3211 error = scsipi_command(periph, 3212 (void *)>oc_cmd, sizeof(gtoc_cmd), 3213 (void *)buffer, req_size, 3214 CDRETRIES, 30000, NULL, flags); 3215 if (error) 3216 goto out; 3217 3218 toc_hdr = (struct scsipi_toc_header *) buffer; 3219 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3220 3221 track_start = 0; 3222 track_end = 0; 3223 track_size = 0; 3224 last_recorded = 0; 3225 next_writable = 0; 3226 flags = 0; 3227 3228 last_tracknr = 1; 3229 next_track_start = 0; 3230 track_sessionnr = MAXTRACK; /* by definition */ 3231 lead_out = 0; 3232 3233 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3234 while (size > 0) { 3235 /* get track start and session end */ 3236 tno = rawtoc->tno; 3237 sessionnr = rawtoc->sessionnr; 3238 adr = rawtoc->adrcontrol >> 4; 3239 point = rawtoc->point; 3240 tmin = rawtoc->min; 3241 tsec = rawtoc->sec; 3242 tframe = rawtoc->frame; 3243 pmin = rawtoc->pmin; 3244 psec = rawtoc->psec; 3245 pframe = rawtoc->pframe; 3246 3247 if (tno == 0 && sessionnr && adr == 1) { 3248 lba = hmsf2lba(0, pmin, psec, pframe); 3249 if (point == trackinfo->tracknr) { 3250 track_start = lba; 3251 track_sessionnr = sessionnr; 3252 } 3253 if (point == trackinfo->tracknr + 1) { 3254 /* estimate size */ 3255 track_size = lba - track_start; 3256 next_track_start = lba; 3257 } 3258 if (point == 0xa2) { 3259 lead_out = lba; 3260 } 3261 if (point <= 0x63) { 3262 /* CD's ok, DVD are glued */ 3263 last_tracknr = point; 3264 } 3265 if (sessionnr == track_sessionnr) { 3266 last_recorded = lead_out; 3267 } 3268 } 3269 if (tno == 0 && sessionnr && adr == 5) { 3270 lba = hmsf2lba(0, tmin, tsec, tframe); 3271 if (sessionnr == track_sessionnr) { 3272 next_writable = lba; 3273 } 3274 } 3275 3276 rawtoc++; 3277 size -= sizeof(struct scsipi_toc_rawtoc); 3278 } 3279 3280 /* process found values; some voodoo */ 3281 /* if no tracksize tracknr is the last of the disc */ 3282 if ((track_size == 0) && last_recorded) { 3283 track_size = last_recorded - track_start; 3284 } 3285 /* if last_recorded < tracksize, tracksize is overestimated */ 3286 if (last_recorded) { 3287 if (last_recorded - track_start <= track_size) { 3288 track_size = last_recorded - track_start; 3289 flags |= MMC_TRACKINFO_LRA_VALID; 3290 } 3291 } 3292 /* check if its a the last track of the sector */ 3293 if (next_writable) { 3294 if (next_track_start > next_writable) 3295 flags |= MMC_TRACKINFO_NWA_VALID; 3296 } 3297 3298 /* no flag set -> no values */ 3299 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3300 last_recorded = 0; 3301 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3302 next_writable = 0; 3303 3304 /* fill in */ 3305 /* trackinfo->tracknr preserved */ 3306 trackinfo->sessionnr = track_sessionnr; 3307 trackinfo->track_mode = 7; /* data, incremental */ 3308 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3309 3310 trackinfo->flags = flags; 3311 trackinfo->track_start = track_start; 3312 trackinfo->next_writable = next_writable; 3313 trackinfo->free_blocks = 0; 3314 trackinfo->packet_size = 1; 3315 trackinfo->track_size = track_size; 3316 trackinfo->last_recorded = last_recorded; 3317 3318out: 3319 free(buffer, M_TEMP); 3320 return error; 3321 3322} 3323 3324static int 3325mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3326 struct mmc_trackinfo *trackinfo) 3327{ 3328 struct scsipi_read_toc gtoc_cmd; 3329 struct scsipi_toc_header *toc_hdr; 3330 struct scsipi_toc_formatted *toc; 3331 uint32_t tracknr, track_start, track_size; 3332 uint32_t lba, lead_out; 3333 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3334 uint8_t *buffer; 3335 uint8_t last_tracknr; 3336 int size, req_size; 3337 int error, flags; 3338 3339 3340 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3341 /* 3342 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3343 * CD-ROM emulation uses since the specification tells us that no such 3344 * thing is defined for DVD's. The reason for this is due to the large 3345 * number of tracks and that would clash with the `magic' values. This 3346 * suxs. 3347 * 3348 * Not all information is present and this presents a problem. 3349 * Track starts are known for each track but other values are 3350 * deducted. 3351 */ 3352 3353 /* get formatted toc to process, first header to check size */ 3354 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3355 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3356 gtoc_cmd.opcode = READ_TOC; 3357 gtoc_cmd.addr_mode = 0; /* lba's please */ 3358 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3359 gtoc_cmd.from_track = 1; /* first track */ 3360 req_size = sizeof(*toc_hdr); 3361 _lto2b(req_size, gtoc_cmd.data_len); 3362 3363 error = scsipi_command(periph, 3364 (void *)>oc_cmd, sizeof(gtoc_cmd), 3365 (void *)buffer, req_size, 3366 CDRETRIES, 30000, NULL, flags); 3367 if (error) 3368 goto out; 3369 toc_hdr = (struct scsipi_toc_header *) buffer; 3370 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3371#ifdef DIAGNOSTIC 3372 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3373#endif 3374 error = ENOBUFS; 3375 goto out; 3376 } 3377 3378 /* read in complete formatted toc */ 3379 req_size = _2btol(toc_hdr->length); 3380 _lto2b(req_size, gtoc_cmd.data_len); 3381 3382 error = scsipi_command(periph, 3383 (void *)>oc_cmd, sizeof(gtoc_cmd), 3384 (void *)buffer, req_size, 3385 CDRETRIES, 30000, NULL, flags); 3386 if (error) 3387 goto out; 3388 3389 toc_hdr = (struct scsipi_toc_header *) buffer; 3390 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3391 3392 /* as in read disc info, all sessions are converted to tracks */ 3393 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3394 /* last track -> we got the size from the lead-out */ 3395 3396 tracknr = 0; 3397 last_tracknr = toc_hdr->last; 3398 track_start = 0; 3399 track_size = 0; 3400 lead_out = 0; 3401 3402 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3403 while (size > 0) { 3404 /* remember, DVD-ROM: tracknr == sessionnr */ 3405 lba = _4btol(toc->msf_lba); 3406 tracknr = toc->tracknr; 3407 if (trackinfo->tracknr == tracknr) { 3408 track_start = lba; 3409 } 3410 if (trackinfo->tracknr == tracknr+1) { 3411 track_size = lba - track_start; 3412 track_size -= 16; /* link block ? */ 3413 } 3414 if (tracknr == 0xAA) { 3415 lead_out = lba; 3416 } 3417 toc++; 3418 size -= sizeof(struct scsipi_toc_formatted); 3419 } 3420 if (trackinfo->tracknr == last_tracknr) { 3421 track_size = lead_out - track_start; 3422 } 3423 3424 /* fill in */ 3425 /* trackinfo->tracknr preserved */ 3426 trackinfo->sessionnr = trackinfo->tracknr; 3427 trackinfo->track_mode = 0; /* unknown */ 3428 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3429 3430 trackinfo->flags = 0; 3431 trackinfo->track_start = track_start; 3432 trackinfo->next_writable = 0; 3433 trackinfo->free_blocks = 0; 3434 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3435 trackinfo->track_size = track_size; 3436 trackinfo->last_recorded = 0; 3437 3438out: 3439 free(buffer, M_TEMP); 3440 return error; 3441} 3442 3443static int 3444mmc_gettrackinfo(struct scsipi_periph *periph, 3445 struct mmc_trackinfo *trackinfo) 3446{ 3447 struct scsipi_read_trackinfo ti_cmd; 3448 struct scsipi_read_trackinfo_data ti; 3449 struct scsipi_get_configuration gc_cmd; 3450 struct scsipi_get_conf_data gc; 3451 int error, flags; 3452 int mmc_profile; 3453 3454 /* set up SCSI call with track number from trackinfo.tracknr */ 3455 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3456 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3457 ti_cmd.opcode = READ_TRACKINFO; 3458 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3459 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3460 3461 /* trackinfo.tracknr contains number of tracks to query */ 3462 _lto4b(trackinfo->tracknr, ti_cmd.address); 3463 error = scsipi_command(periph, 3464 (void *)&ti_cmd, sizeof(ti_cmd), 3465 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3466 CDRETRIES, 30000, NULL, flags); 3467 3468 if (error) { 3469 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3470 /* first determine mmc profile */ 3471 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3472 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3473 gc_cmd.opcode = GET_CONFIGURATION; 3474 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3475 3476 error = scsipi_command(periph, 3477 (void *)&gc_cmd, sizeof(gc_cmd), 3478 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3479 CDRETRIES, 30000, NULL, flags); 3480 if (error) 3481 return error; 3482 mmc_profile = _2btol(gc.mmc_profile); 3483 3484 /* choose emulation */ 3485 if (mmc_profile == 0x08) /* CD-ROM */ 3486 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3487 if (mmc_profile == 0x10) /* DVD-ROM */ 3488 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3489 /* CD/DVD drive is violating specs */ 3490 return EIO; 3491 } 3492 3493 /* (re)initialise structure */ 3494 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3495 3496 /* account for short returns screwing up track and session msb */ 3497 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3498 ti.track_msb = 0; 3499 ti.session_msb = 0; 3500 } 3501 3502 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3503 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3504 trackinfo->track_mode = ti.track_info_1 & 0xf; 3505 trackinfo->data_mode = ti.track_info_2 & 0xf; 3506 3507 flags = 0; 3508 if (ti.track_info_1 & 0x10) 3509 flags |= MMC_TRACKINFO_COPY; 3510 if (ti.track_info_1 & 0x20) 3511 flags |= MMC_TRACKINFO_DAMAGED; 3512 if (ti.track_info_2 & 0x10) 3513 flags |= MMC_TRACKINFO_FIXED_PACKET; 3514 if (ti.track_info_2 & 0x20) 3515 flags |= MMC_TRACKINFO_INCREMENTAL; 3516 if (ti.track_info_2 & 0x40) 3517 flags |= MMC_TRACKINFO_BLANK; 3518 if (ti.track_info_2 & 0x80) 3519 flags |= MMC_TRACKINFO_RESERVED; 3520 if (ti.data_valid & 0x01) 3521 flags |= MMC_TRACKINFO_NWA_VALID; 3522 if (ti.data_valid & 0x02) 3523 flags |= MMC_TRACKINFO_LRA_VALID; 3524 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3525 flags |= MMC_TRACKINFO_DATA; 3526 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3527 flags |= MMC_TRACKINFO_AUDIO; 3528 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3529 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3530 if (trackinfo->track_mode & 1) /* xxx1b */ 3531 flags |= MMC_TRACKINFO_PRE_EMPH; 3532 } 3533 3534 trackinfo->flags = flags; 3535 trackinfo->track_start = _4btol(ti.track_start); 3536 trackinfo->next_writable = _4btol(ti.next_writable); 3537 trackinfo->free_blocks = _4btol(ti.free_blocks); 3538 trackinfo->packet_size = _4btol(ti.packet_size); 3539 trackinfo->track_size = _4btol(ti.track_size); 3540 trackinfo->last_recorded = _4btol(ti.last_recorded); 3541 3542 return 0; 3543} 3544 3545static int 3546mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3547 struct scsipi_close_tracksession close_cmd; 3548 int error, flags; 3549 3550 /* set up SCSI call with track number */ 3551 flags = XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK; 3552 memset(&close_cmd, 0, sizeof(close_cmd)); 3553 close_cmd.opcode = CLOSE_TRACKSESSION; 3554 close_cmd.function = func; 3555 _lto2b(param, close_cmd.tracksessionnr); 3556 3557 error = scsipi_command(periph, 3558 (void *) &close_cmd, sizeof(close_cmd), 3559 NULL, 0, 3560 CDRETRIES, 30000, NULL, flags); 3561 3562 return error; 3563} 3564 3565static int 3566mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3567{ 3568 int mmc_profile = mmc_op->mmc_profile; 3569 3570 switch (mmc_profile) { 3571 case 0x12 : /* DVD-RAM */ 3572 case 0x1a : /* DVD+RW */ 3573 case 0x2a : /* DVD+RW Dual layer */ 3574 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3575 case 0x43 : /* BD-RE */ 3576 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3577 return EINVAL; 3578 } 3579 3580 return mmc_doclose(periph, mmc_op->tracknr, 1); 3581} 3582 3583static int 3584mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3585{ 3586 int p5len = 0x32; 3587 int ms5len = p5len + 8 + 2; 3588 uint8_t blob[ms5len], *page5; 3589 int mmc_profile = mmc_op->mmc_profile; 3590 int func, close, flags; 3591 int error; 3592 3593 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3594 3595 switch (mmc_profile) { 3596 case 0x09 : /* CD-R */ 3597 case 0x0a : /* CD-RW */ 3598 /* Special case : need to update MS field in mode page 5 */ 3599 memset(blob, 0, ms5len); 3600 page5 = blob+8; 3601 3602 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3603 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3604 (void *)blob, ms5len, flags, CDRETRIES, 20000); 3605 if (error) 3606 return error; 3607 3608 /* set multi session field when closing a session only */ 3609 page5[3] &= 63; 3610 if (close) 3611 page5[3] |= 3 << 6; 3612 3613 flags = XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK; 3614 error = scsipi_mode_select_big(periph, SMS_PF, 3615 (void *)blob, ms5len, flags, CDRETRIES, 20000); 3616 if (error) 3617 return error; 3618 /* and use funtion 2 */ 3619 func = 2; 3620 break; 3621 case 0x11 : /* DVD-R (DL) */ 3622 case 0x13 : /* DVD-RW restricted overwrite */ 3623 case 0x14 : /* DVD-RW sequential */ 3624 func = close ? 2 : 3; 3625 break; 3626 case 0x1b : /* DVD+R */ 3627 case 0x2b : /* DVD+R Dual layer */ 3628 case 0x51 : /* HD DVD-R */ 3629 case 0x41 : /* BD-R Sequential recording (SRM) */ 3630 func = close ? 2 : 6; 3631 break; 3632 case 0x12 : /* DVD-RAM */ 3633 case 0x1a : /* DVD+RW */ 3634 case 0x2a : /* DVD+RW Dual layer */ 3635 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3636 case 0x43 : /* BD-RE */ 3637 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3638 return EINVAL; 3639 default: 3640 printf("MMC close/finalise passed wrong device type! (%d)\n", 3641 mmc_profile); 3642 return EINVAL; 3643 } 3644 3645 return mmc_doclose(periph, mmc_op->sessionnr, func); 3646} 3647 3648static int 3649mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3650{ 3651 struct scsipi_reserve_track reserve_cmd; 3652 uint32_t extent; 3653 int error, flags; 3654 3655 /* TODO make mmc safeguards? */ 3656 extent = mmc_op->extent; 3657 /* TODO min/max support? */ 3658 3659 /* set up SCSI call with requested space */ 3660 flags = XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK; 3661 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3662 reserve_cmd.opcode = RESERVE_TRACK; 3663 _lto4b(extent, reserve_cmd.reservation_size); 3664 3665 error = scsipi_command(periph, 3666 (void *) &reserve_cmd, sizeof(reserve_cmd), 3667 NULL, 0, 3668 CDRETRIES, 30000, NULL, flags); 3669 3670 return error; 3671} 3672 3673static int 3674mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3675{ 3676 /* XXX assumes that NWA given is valid */ 3677 switch (mmc_op->mmc_profile) { 3678 case 0x09 : /* CD-R */ 3679 /* XXX unknown boundary checks XXX */ 3680 if (mmc_op->extent <= 152) 3681 return EINVAL; 3682 /* CD-R takes 152 sectors to close track */ 3683 mmc_op->extent -= 152; 3684 return mmc_do_reserve_track(periph, mmc_op); 3685 case 0x11 : /* DVD-R (DL) */ 3686 case 0x1b : /* DVD+R */ 3687 case 0x2b : /* DVD+R Dual layer */ 3688 if (mmc_op->extent % 16) 3689 return EINVAL; 3690 /* upto one ECC block of 16 sectors lost */ 3691 mmc_op->extent -= 16; 3692 return mmc_do_reserve_track(periph, mmc_op); 3693 case 0x41 : /* BD-R Sequential recording (SRM) */ 3694 case 0x51 : /* HD DVD-R */ 3695 if (mmc_op->extent % 32) 3696 return EINVAL; 3697 /* one ECC block of 32 sectors lost (AFAIK) */ 3698 mmc_op->extent -= 32; 3699 return mmc_do_reserve_track(periph, mmc_op); 3700 } 3701 3702 /* unknown behaviour or invalid disc type */ 3703 return EINVAL; 3704} 3705 3706static int 3707mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3708{ 3709 struct scsipi_repair_track repair_cmd; 3710 int error, flags; 3711 3712 /* TODO make mmc safeguards? */ 3713 3714 /* set up SCSI call with track number */ 3715 flags = XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK; 3716 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3717 repair_cmd.opcode = REPAIR_TRACK; 3718 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3719 3720 error = scsipi_command(periph, 3721 (void *) &repair_cmd, sizeof(repair_cmd), 3722 NULL, 0, 3723 CDRETRIES, 30000, NULL, flags); 3724 3725 return error; 3726} 3727 3728static int 3729mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3730{ 3731 /* guard operation value */ 3732 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3733 return EINVAL; 3734 3735 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3736 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3737 return cdcachesync(periph, 0); 3738 3739 /* zero mmc_profile means unknown disc so operations are not defined */ 3740 if (mmc_op->mmc_profile == 0) { 3741#ifdef DEBUG 3742 printf("mmc_do_op called with mmc_profile = 0\n"); 3743#endif 3744 return EINVAL; 3745 } 3746 3747 /* do the operations */ 3748 switch (mmc_op->operation) { 3749 case MMC_OP_CLOSETRACK : 3750 return mmc_do_closetrack(periph, mmc_op); 3751 case MMC_OP_CLOSESESSION : 3752 case MMC_OP_FINALISEDISC : 3753 return mmc_do_close_or_finalise(periph, mmc_op); 3754 case MMC_OP_RESERVETRACK : 3755 return mmc_do_reserve_track(periph, mmc_op); 3756 case MMC_OP_RESERVETRACK_NWA : 3757 return mmc_do_reserve_track_nwa(periph, mmc_op); 3758 case MMC_OP_REPAIRTRACK : 3759 return mmc_do_repair_track(periph, mmc_op); 3760 case MMC_OP_UNCLOSELASTSESSION : 3761 /* TODO unclose last session support */ 3762 return EINVAL; 3763 default : 3764 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3765 } 3766 3767 return EINVAL; 3768} 3769 3770static int 3771mmc_setup_writeparams(struct scsipi_periph *periph, 3772 struct mmc_writeparams *mmc_writeparams) 3773{ 3774 struct mmc_trackinfo trackinfo; 3775 int p5len = 0x32; 3776 int ms5len = p5len + 8 + 2; 3777 uint8_t blob[ms5len]; 3778 uint8_t *page5; 3779 int flags, error; 3780 int track_mode, data_mode; 3781 3782 /* setup mode page 5 for CD only */ 3783 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3784 return 0; 3785 3786 memset(blob, 0, ms5len); 3787 page5 = blob+8; 3788 3789 /* read mode page 5 (with header) */ 3790 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3791 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, ms5len, 3792 flags, CDRETRIES, 20000); 3793 if (error) 3794 return error; 3795 3796 /* set page length for reasurance */ 3797 page5[1] = p5len; /* page length */ 3798 3799 /* write type packet/incremental */ 3800 page5[2] &= 0xf0; 3801 3802 /* set specified mode parameters */ 3803 track_mode = mmc_writeparams->track_mode; 3804 data_mode = mmc_writeparams->data_mode; 3805 if (track_mode <= 0 || track_mode > 15) 3806 return EINVAL; 3807 if (data_mode < 1 || data_mode > 2) 3808 return EINVAL; 3809 3810 /* if a tracknr is passed, setup according to the track */ 3811 if (mmc_writeparams->tracknr > 0) { 3812 trackinfo.tracknr = mmc_writeparams->tracknr; 3813 error = mmc_gettrackinfo(periph, &trackinfo); 3814 if (error) 3815 return error; 3816 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3817 track_mode = trackinfo.track_mode; 3818 data_mode = trackinfo.data_mode; 3819 } 3820 mmc_writeparams->blockingnr = trackinfo.packet_size; 3821 } 3822 3823 /* copy track mode and data mode from trackinfo */ 3824 page5[3] &= 16; /* keep only `Copy' bit */ 3825 page5[3] |= (3 << 6) | track_mode; 3826 page5[4] &= 0xf0; /* wipe data block type */ 3827 if (data_mode == 1) { 3828 /* select ISO mode 1 (CD only) */ 3829 page5[4] |= 8; 3830 /* select session format normal disc (CD only) */ 3831 page5[8] = 0; 3832 } else { 3833 /* select ISO mode 2; XA form 1 (CD only) */ 3834 page5[4] |= 10; 3835 /* select session format CD-ROM XA disc (CD only) */ 3836 page5[8] = 0x20; 3837 } 3838 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3839 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3840 /* set BUFE buffer underrun protection */ 3841 page5[2] |= 1<<6; 3842 } 3843 /* allow for multi session */ 3844 page5[3] |= 3 << 6; 3845 } else { 3846 /* select fixed packets */ 3847 page5[3] |= 1<<5; 3848 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3849 } 3850 3851 /* write out updated mode page 5 (with header) */ 3852 flags = XS_CTL_DATA_OUT | XS_CTL_DATA_ONSTACK; 3853 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, ms5len, 3854 flags, CDRETRIES, 20000); 3855 if (error) 3856 return error; 3857 3858 return 0; 3859} 3860 3861