cd.c revision 1.272
1/* $NetBSD: cd.c,v 1.272 2008/01/02 11:48:38 ad Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC discinfo/trackinfo contributed to the NetBSD Foundation by Reinoud 11 * Zandijk. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42/* 43 * Originally written by Julian Elischer (julian@tfs.com) 44 * for TRW Financial Systems for use under the MACH(2.5) operating system. 45 * 46 * TRW Financial Systems, in accordance with their agreement with Carnegie 47 * Mellon University, makes this software available to CMU to distribute 48 * or use in any manner that they see fit as long as this message is kept with 49 * the software. For this reason TFS also grants any other persons or 50 * organisations permission to use or modify this software. 51 * 52 * TFS supplies this software to be publicly redistributed 53 * on the understanding that TFS is not responsible for the correct 54 * functioning of this software in any circumstances. 55 * 56 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 57 */ 58 59#include <sys/cdefs.h> 60__KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.272 2008/01/02 11:48:38 ad Exp $"); 61 62#include "rnd.h" 63 64#include <sys/param.h> 65#include <sys/systm.h> 66#include <sys/kernel.h> 67#include <sys/file.h> 68#include <sys/stat.h> 69#include <sys/ioctl.h> 70#include <sys/buf.h> 71#include <sys/bufq.h> 72#include <sys/uio.h> 73#include <sys/malloc.h> 74#include <sys/errno.h> 75#include <sys/device.h> 76#include <sys/disklabel.h> 77#include <sys/disk.h> 78#include <sys/cdio.h> 79#include <sys/dvdio.h> 80#include <sys/scsiio.h> 81#include <sys/proc.h> 82#include <sys/conf.h> 83#include <sys/vnode.h> 84#if NRND > 0 85#include <sys/rnd.h> 86#endif 87 88#include <dev/scsipi/scsi_spc.h> 89#include <dev/scsipi/scsipi_all.h> 90#include <dev/scsipi/scsipi_cd.h> 91#include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 92#include <dev/scsipi/scsi_all.h> 93 /* from there */ 94#include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 95#include <dev/scsipi/scsipiconf.h> 96#include <dev/scsipi/scsipi_base.h> 97#include <dev/scsipi/cdvar.h> 98 99#define CDUNIT(z) DISKUNIT(z) 100#define CDPART(z) DISKPART(z) 101#define CDMINOR(unit, part) DISKMINOR(unit, part) 102#define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 103 104#define MAXTRACK 99 105#define CD_BLOCK_OFFSET 150 106#define CD_FRAMES 75 107#define CD_SECS 60 108 109#define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 110#define CD_TOC_MSINFO 1 /* multi-session info */ 111#define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 112#define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 113#define CD_TOC_ATIP 4 /* pressed space of recordable */ 114#define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 115 116struct cd_formatted_toc { 117 struct ioc_toc_header header; 118 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 119 /* leadout */ 120}; 121 122struct cdbounce { 123 struct buf *obp; /* original buf */ 124 int doff; /* byte offset in orig. buf */ 125 int soff; /* byte offset in bounce buf */ 126 int resid; /* residual i/o in orig. buf */ 127 int bcount; /* actual obp bytes in bounce */ 128}; 129 130static void cdstart(struct scsipi_periph *); 131static void cdrestart(void *); 132static void cdminphys(struct buf *); 133static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 134 struct disklabel *); 135static void cdgetdisklabel(struct cd_softc *); 136static void cddone(struct scsipi_xfer *, int); 137static void cdbounce(struct buf *); 138static int cd_interpret_sense(struct scsipi_xfer *); 139static u_long cd_size(struct cd_softc *, int); 140static int cd_play(struct cd_softc *, int, int); 141static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 142 int, int, int, int); 143static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 144static int cd_pause(struct cd_softc *, int); 145static int cd_reset(struct cd_softc *); 146static int cd_read_subchannel(struct cd_softc *, int, int, int, 147 struct cd_sub_channel_info *, int, int); 148static int cd_read_toc(struct cd_softc *, int, int, int, 149 struct cd_formatted_toc *, int, int, int); 150static int cd_get_parms(struct cd_softc *, int); 151static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 152static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 153 154static int dvd_auth(struct cd_softc *, dvd_authinfo *); 155static int dvd_read_physical(struct cd_softc *, dvd_struct *); 156static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 157static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 158static int dvd_read_bca(struct cd_softc *, dvd_struct *); 159static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 160static int dvd_read_struct(struct cd_softc *, dvd_struct *); 161 162static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 163 int, int *); 164static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 165 int, int); 166static int cd_setchan(struct cd_softc *, int, int, int, int, int); 167static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 168static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 169static int cd_set_pa_immed(struct cd_softc *, int); 170static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 171static int cd_setblksize(struct cd_softc *); 172 173static int cdmatch(struct device *, struct cfdata *, void *); 174static void cdattach(struct device *, struct device *, void *); 175static int cdactivate(struct device *, enum devact); 176static int cddetach(struct device *, int); 177 178static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 179static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 180 181CFATTACH_DECL(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 182 cdactivate); 183 184extern struct cfdriver cd_cd; 185 186static const struct scsipi_inquiry_pattern cd_patterns[] = { 187 {T_CDROM, T_REMOV, 188 "", "", ""}, 189 {T_WORM, T_REMOV, 190 "", "", ""}, 191#if 0 192 {T_CDROM, T_REMOV, /* more luns */ 193 "PIONEER ", "CD-ROM DRM-600 ", ""}, 194#endif 195 {T_DIRECT, T_REMOV, 196 "NEC CD-ROM DRIVE:260", "", ""}, 197}; 198 199static dev_type_open(cdopen); 200static dev_type_close(cdclose); 201static dev_type_read(cdread); 202static dev_type_write(cdwrite); 203static dev_type_ioctl(cdioctl); 204static dev_type_strategy(cdstrategy); 205static dev_type_dump(cddump); 206static dev_type_size(cdsize); 207 208const struct bdevsw cd_bdevsw = { 209 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 210}; 211 212const struct cdevsw cd_cdevsw = { 213 cdopen, cdclose, cdread, cdwrite, cdioctl, 214 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 215}; 216 217static struct dkdriver cddkdriver = { cdstrategy, NULL }; 218 219static const struct scsipi_periphsw cd_switch = { 220 cd_interpret_sense, /* use our error handler first */ 221 cdstart, /* we have a queue, which is started by this */ 222 NULL, /* we do not have an async handler */ 223 cddone, /* deal with stats at interrupt time */ 224}; 225 226/* 227 * The routine called by the low level scsi routine when it discovers 228 * A device suitable for this driver 229 */ 230static int 231cdmatch(struct device *parent, struct cfdata *match, 232 void *aux) 233{ 234 struct scsipibus_attach_args *sa = aux; 235 int priority; 236 237 (void)scsipi_inqmatch(&sa->sa_inqbuf, 238 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 239 sizeof(cd_patterns[0]), &priority); 240 241 return (priority); 242} 243 244static void 245cdattach(struct device *parent, struct device *self, void *aux) 246{ 247 struct cd_softc *cd = device_private(self); 248 struct scsipibus_attach_args *sa = aux; 249 struct scsipi_periph *periph = sa->sa_periph; 250 251 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 252 253 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 254 255 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 256 periph->periph_version == 0) 257 cd->flags |= CDF_ANCIENT; 258 259 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 260 261 callout_init(&cd->sc_callout, 0); 262 263 /* 264 * Store information needed to contact our base driver 265 */ 266 cd->sc_periph = periph; 267 268 periph->periph_dev = &cd->sc_dev; 269 periph->periph_switch = &cd_switch; 270 271 /* 272 * Increase our openings to the maximum-per-periph 273 * supported by the adapter. This will either be 274 * clamped down or grown by the adapter if necessary. 275 */ 276 periph->periph_openings = 277 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 278 periph->periph_flags |= PERIPH_GROW_OPENINGS; 279 280 /* 281 * Initialize and attach the disk structure. 282 */ 283 disk_init(&cd->sc_dk, cd->sc_dev.dv_xname, &cddkdriver); 284 disk_attach(&cd->sc_dk); 285 286 printf("\n"); 287 288#if NRND > 0 289 rnd_attach_source(&cd->rnd_source, cd->sc_dev.dv_xname, 290 RND_TYPE_DISK, 0); 291#endif 292 293 if (!pmf_device_register(self, NULL, NULL)) 294 aprint_error_dev(self, "couldn't establish power handler\n"); 295} 296 297static int 298cdactivate(struct device *self, enum devact act) 299{ 300 int rv = 0; 301 302 switch (act) { 303 case DVACT_ACTIVATE: 304 rv = EOPNOTSUPP; 305 break; 306 307 case DVACT_DEACTIVATE: 308 /* 309 * Nothing to do; we key off the device's DVF_ACTIVE. 310 */ 311 break; 312 } 313 return (rv); 314} 315 316static int 317cddetach(struct device *self, int flags) 318{ 319 struct cd_softc *cd = device_private(self); 320 int s, bmaj, cmaj, i, mn; 321 322 /* locate the major number */ 323 bmaj = bdevsw_lookup_major(&cd_bdevsw); 324 cmaj = cdevsw_lookup_major(&cd_cdevsw); 325 /* Nuke the vnodes for any open instances */ 326 for (i = 0; i < MAXPARTITIONS; i++) { 327 mn = CDMINOR(device_unit(self), i); 328 vdevgone(bmaj, mn, mn, VBLK); 329 vdevgone(cmaj, mn, mn, VCHR); 330 } 331 332 /* kill any pending restart */ 333 callout_stop(&cd->sc_callout); 334 335 s = splbio(); 336 337 /* Kill off any queued buffers. */ 338 bufq_drain(cd->buf_queue); 339 340 bufq_free(cd->buf_queue); 341 342 /* Kill off any pending commands. */ 343 scsipi_kill_pending(cd->sc_periph); 344 345 splx(s); 346 347 mutex_destroy(&cd->sc_lock); 348 349 /* Detach from the disk list. */ 350 disk_detach(&cd->sc_dk); 351 disk_destroy(&cd->sc_dk); 352 353#if 0 354 /* Get rid of the shutdown hook. */ 355 if (cd->sc_sdhook != NULL) 356 shutdownhook_disestablish(cd->sc_sdhook); 357#endif 358 359#if NRND > 0 360 /* Unhook the entropy source. */ 361 rnd_detach_source(&cd->rnd_source); 362#endif 363 364 return (0); 365} 366 367/* 368 * open the device. Make sure the partition info is a up-to-date as can be. 369 */ 370static int 371cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 372{ 373 struct cd_softc *cd; 374 struct scsipi_periph *periph; 375 struct scsipi_adapter *adapt; 376 int unit, part; 377 int error; 378 int rawpart; 379 380 unit = CDUNIT(dev); 381 if (unit >= cd_cd.cd_ndevs) 382 return (ENXIO); 383 cd = cd_cd.cd_devs[unit]; 384 if (cd == NULL) 385 return (ENXIO); 386 387 periph = cd->sc_periph; 388 adapt = periph->periph_channel->chan_adapter; 389 part = CDPART(dev); 390 391 SC_DEBUG(periph, SCSIPI_DB1, 392 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, 393 cd_cd.cd_ndevs, CDPART(dev))); 394 395 /* 396 * If this is the first open of this device, add a reference 397 * to the adapter. 398 */ 399 if (cd->sc_dk.dk_openmask == 0 && 400 (error = scsipi_adapter_addref(adapt)) != 0) 401 return (error); 402 403 mutex_enter(&cd->sc_lock); 404 405 rawpart = (part == RAW_PART && fmt == S_IFCHR); 406 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 407 /* 408 * If any partition is open, but the disk has been invalidated, 409 * disallow further opens. 410 */ 411 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 412 !rawpart) { 413 error = EIO; 414 goto bad3; 415 } 416 } else { 417 int silent; 418 419 if (rawpart) 420 silent = XS_CTL_SILENT; 421 else 422 silent = 0; 423 424 /* Check that it is still responding and ok. */ 425 error = scsipi_test_unit_ready(periph, 426 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 427 silent); 428 429 /* 430 * Start the pack spinning if necessary. Always allow the 431 * raw parition to be opened, for raw IOCTLs. Data transfers 432 * will check for SDEV_MEDIA_LOADED. 433 */ 434 if (error == EIO) { 435 int error2; 436 437 error2 = scsipi_start(periph, SSS_START, silent); 438 switch (error2) { 439 case 0: 440 error = 0; 441 break; 442 case EIO: 443 case EINVAL: 444 break; 445 default: 446 error = error2; 447 break; 448 } 449 } 450 if (error) { 451 if (rawpart) 452 goto out; 453 goto bad3; 454 } 455 456 periph->periph_flags |= PERIPH_OPEN; 457 458 /* Lock the pack in. */ 459 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 460 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 461 SC_DEBUG(periph, SCSIPI_DB1, 462 ("cdopen: scsipi_prevent, error=%d\n", error)); 463 if (error) { 464 if (rawpart) 465 goto out; 466 goto bad; 467 } 468 469 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 470 /* Load the physical device parameters. */ 471 if (cd_get_parms(cd, 0) != 0) { 472 if (rawpart) 473 goto out; 474 error = ENXIO; 475 goto bad; 476 } 477 periph->periph_flags |= PERIPH_MEDIA_LOADED; 478 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 479 480 /* Fabricate a disk label. */ 481 cdgetdisklabel(cd); 482 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 483 } 484 } 485 486 /* Check that the partition exists. */ 487 if (part != RAW_PART && 488 (part >= cd->sc_dk.dk_label->d_npartitions || 489 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 490 error = ENXIO; 491 goto bad; 492 } 493 494out: /* Insure only one open at a time. */ 495 switch (fmt) { 496 case S_IFCHR: 497 cd->sc_dk.dk_copenmask |= (1 << part); 498 break; 499 case S_IFBLK: 500 cd->sc_dk.dk_bopenmask |= (1 << part); 501 break; 502 } 503 cd->sc_dk.dk_openmask = 504 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 505 506 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 507 mutex_exit(&cd->sc_lock); 508 return (0); 509 510 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 511 512bad: 513 if (cd->sc_dk.dk_openmask == 0) { 514 scsipi_prevent(periph, SPAMR_ALLOW, 515 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 516 periph->periph_flags &= ~PERIPH_OPEN; 517 } 518 519bad3: 520 mutex_exit(&cd->sc_lock); 521 if (cd->sc_dk.dk_openmask == 0) 522 scsipi_adapter_delref(adapt); 523 return (error); 524} 525 526/* 527 * close the device.. only called if we are the LAST 528 * occurence of an open device 529 */ 530static int 531cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 532{ 533 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 534 struct scsipi_periph *periph = cd->sc_periph; 535 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 536 int part = CDPART(dev); 537 538 mutex_enter(&cd->sc_lock); 539 540 switch (fmt) { 541 case S_IFCHR: 542 cd->sc_dk.dk_copenmask &= ~(1 << part); 543 break; 544 case S_IFBLK: 545 cd->sc_dk.dk_bopenmask &= ~(1 << part); 546 break; 547 } 548 cd->sc_dk.dk_openmask = 549 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 550 551 if (cd->sc_dk.dk_openmask == 0) { 552 scsipi_wait_drain(periph); 553 554 scsipi_prevent(periph, SPAMR_ALLOW, 555 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 556 XS_CTL_IGNORE_NOT_READY); 557 periph->periph_flags &= ~PERIPH_OPEN; 558 559 scsipi_wait_drain(periph); 560 561 scsipi_adapter_delref(adapt); 562 } 563 564 mutex_exit(&cd->sc_lock); 565 return (0); 566} 567 568/* 569 * Actually translate the requested transfer into one the physical driver can 570 * understand. The transfer is described by a buf and will include only one 571 * physical transfer. 572 */ 573static void 574cdstrategy(struct buf *bp) 575{ 576 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 577 struct disklabel *lp; 578 struct scsipi_periph *periph = cd->sc_periph; 579 daddr_t blkno; 580 int s; 581 582 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 583 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 584 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 585 /* 586 * If the device has been made invalid, error out 587 * maybe the media changed 588 */ 589 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 590 if (periph->periph_flags & PERIPH_OPEN) 591 bp->b_error = EIO; 592 else 593 bp->b_error = ENODEV; 594 goto done; 595 } 596 597 lp = cd->sc_dk.dk_label; 598 599 /* 600 * The transfer must be a whole number of blocks, offset must not 601 * be negative. 602 */ 603 if ((bp->b_bcount % lp->d_secsize) != 0 || 604 bp->b_blkno < 0 ) { 605 bp->b_error = EINVAL; 606 goto done; 607 } 608 /* 609 * If it's a null transfer, return immediately 610 */ 611 if (bp->b_bcount == 0) 612 goto done; 613 614 /* 615 * Do bounds checking, adjust transfer. if error, process. 616 * If end of partition, just return. 617 */ 618 if (CDPART(bp->b_dev) == RAW_PART) { 619 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 620 cd->params.disksize512) <= 0) 621 goto done; 622 } else { 623 if (bounds_check_with_label(&cd->sc_dk, bp, 624 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 625 goto done; 626 } 627 628 /* 629 * Now convert the block number to absolute and put it in 630 * terms of the device's logical block size. 631 */ 632 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 633 if (CDPART(bp->b_dev) != RAW_PART) 634 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 635 636 bp->b_rawblkno = blkno; 637 638 /* 639 * If the disklabel sector size does not match the device 640 * sector size we may need to do some extra work. 641 */ 642 if (lp->d_secsize != cd->params.blksize) { 643 644 /* 645 * If the xfer is not a multiple of the device block size 646 * or it is not block aligned, we need to bounce it. 647 */ 648 if ((bp->b_bcount % cd->params.blksize) != 0 || 649 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 650 struct cdbounce *bounce; 651 struct buf *nbp; 652 long count; 653 654 if ((bp->b_flags & B_READ) == 0) { 655 656 /* XXXX We don't support bouncing writes. */ 657 bp->b_error = EACCES; 658 goto done; 659 } 660 661 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 662 if (!bounce) { 663 /* No memory -- fail the iop. */ 664 bp->b_error = ENOMEM; 665 goto done; 666 } 667 668 bounce->obp = bp; 669 bounce->resid = bp->b_bcount; 670 bounce->doff = 0; 671 count = ((blkno * lp->d_secsize) % cd->params.blksize); 672 bounce->soff = count; 673 count += bp->b_bcount; 674 count = roundup(count, cd->params.blksize); 675 bounce->bcount = bounce->resid; 676 if (count > MAXPHYS) { 677 bounce->bcount = MAXPHYS - bounce->soff; 678 count = MAXPHYS; 679 } 680 681 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 682 nbp = getiobuf(false, NULL); 683 if (!nbp) { 684 /* No memory -- fail the iop. */ 685 free(bounce, M_DEVBUF); 686 bp->b_error = ENOMEM; 687 goto done; 688 } 689 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 690 if (!nbp->b_data) { 691 /* No memory -- fail the iop. */ 692 free(bounce, M_DEVBUF); 693 putiobuf(nbp); 694 bp->b_error = ENOMEM; 695 goto done; 696 } 697 698 /* Set up the IOP to the bounce buffer. */ 699 nbp->b_error = 0; 700 nbp->b_proc = bp->b_proc; 701 nbp->b_bcount = count; 702 nbp->b_bufsize = count; 703 nbp->b_rawblkno = blkno; 704 nbp->b_flags = bp->b_flags | B_READ; 705 nbp->b_oflags = bp->b_oflags; 706 nbp->b_cflags = bp->b_cflags; 707 nbp->b_iodone = cdbounce; 708 709 /* store bounce state in b_private and use new buf */ 710 nbp->b_private = bounce; 711 712 BIO_COPYPRIO(nbp, bp); 713 714 bp = nbp; 715 716 } else { 717 /* Xfer is aligned -- just adjust the start block */ 718 bp->b_rawblkno = (blkno * lp->d_secsize) / 719 cd->params.blksize; 720 } 721 } 722 s = splbio(); 723 724 /* 725 * Place it in the queue of disk activities for this disk. 726 * 727 * XXX Only do disksort() if the current operating mode does not 728 * XXX include tagged queueing. 729 */ 730 BUFQ_PUT(cd->buf_queue, bp); 731 732 /* 733 * Tell the device to get going on the transfer if it's 734 * not doing anything, otherwise just wait for completion 735 */ 736 cdstart(cd->sc_periph); 737 738 splx(s); 739 return; 740 741done: 742 /* 743 * Correctly set the buf to indicate a completed xfer 744 */ 745 bp->b_resid = bp->b_bcount; 746 biodone(bp); 747} 748 749/* 750 * cdstart looks to see if there is a buf waiting for the device 751 * and that the device is not already busy. If both are true, 752 * It deques the buf and creates a scsi command to perform the 753 * transfer in the buf. The transfer request will call scsipi_done 754 * on completion, which will in turn call this routine again 755 * so that the next queued transfer is performed. 756 * The bufs are queued by the strategy routine (cdstrategy) 757 * 758 * This routine is also called after other non-queued requests 759 * have been made of the scsi driver, to ensure that the queue 760 * continues to be drained. 761 * 762 * must be called at the correct (highish) spl level 763 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 764 */ 765static void 766cdstart(struct scsipi_periph *periph) 767{ 768 struct cd_softc *cd = (void *)periph->periph_dev; 769 struct buf *bp = 0; 770 struct scsipi_rw_10 cmd_big; 771 struct scsi_rw_6 cmd_small; 772 struct scsipi_generic *cmdp; 773 struct scsipi_xfer *xs; 774 int flags, nblks, cmdlen, error; 775 776 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 777 /* 778 * Check if the device has room for another command 779 */ 780 while (periph->periph_active < periph->periph_openings) { 781 /* 782 * there is excess capacity, but a special waits 783 * It'll need the adapter as soon as we clear out of the 784 * way and let it run (user level wait). 785 */ 786 if (periph->periph_flags & PERIPH_WAITING) { 787 periph->periph_flags &= ~PERIPH_WAITING; 788 wakeup((void *)periph); 789 return; 790 } 791 792 /* 793 * If the device has become invalid, abort all the 794 * reads and writes until all files have been closed and 795 * re-opened 796 */ 797 if (__predict_false( 798 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 799 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 800 bp->b_error = EIO; 801 bp->b_resid = bp->b_bcount; 802 biodone(bp); 803 continue; 804 } else { 805 return; 806 } 807 } 808 809 /* 810 * See if there is a buf with work for us to do.. 811 */ 812 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 813 return; 814 815 /* 816 * We have a buf, now we should make a command. 817 */ 818 819 nblks = howmany(bp->b_bcount, cd->params.blksize); 820 821 /* 822 * Fill out the scsi command. If the transfer will 823 * fit in a "small" cdb, use it. 824 */ 825 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 826 ((nblks & 0xff) == nblks) && 827 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 828 /* 829 * We can fit in a small cdb. 830 */ 831 memset(&cmd_small, 0, sizeof(cmd_small)); 832 cmd_small.opcode = (bp->b_flags & B_READ) ? 833 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 834 _lto3b(bp->b_rawblkno, cmd_small.addr); 835 cmd_small.length = nblks & 0xff; 836 cmdlen = sizeof(cmd_small); 837 cmdp = (struct scsipi_generic *)&cmd_small; 838 } else { 839 /* 840 * Need a large cdb. 841 */ 842 memset(&cmd_big, 0, sizeof(cmd_big)); 843 cmd_big.opcode = (bp->b_flags & B_READ) ? 844 READ_10 : WRITE_10; 845 _lto4b(bp->b_rawblkno, cmd_big.addr); 846 _lto2b(nblks, cmd_big.length); 847 cmdlen = sizeof(cmd_big); 848 cmdp = (struct scsipi_generic *)&cmd_big; 849 } 850 851 /* Instrumentation. */ 852 disk_busy(&cd->sc_dk); 853 854 /* 855 * Figure out what flags to use. 856 */ 857 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 858 if (bp->b_flags & B_READ) 859 flags |= XS_CTL_DATA_IN; 860 else 861 flags |= XS_CTL_DATA_OUT; 862 863 /* 864 * Call the routine that chats with the adapter. 865 * Note: we cannot sleep as we may be an interrupt 866 */ 867 xs = scsipi_make_xs(periph, cmdp, cmdlen, 868 (u_char *)bp->b_data, bp->b_bcount, 869 CDRETRIES, 30000, bp, flags); 870 if (__predict_false(xs == NULL)) { 871 /* 872 * out of memory. Keep this buffer in the queue, and 873 * retry later. 874 */ 875 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 876 periph); 877 return; 878 } 879 /* 880 * need to dequeue the buffer before queuing the command, 881 * because cdstart may be called recursively from the 882 * HBA driver 883 */ 884#ifdef DIAGNOSTIC 885 if (BUFQ_GET(cd->buf_queue) != bp) 886 panic("cdstart(): dequeued wrong buf"); 887#else 888 BUFQ_GET(cd->buf_queue); 889#endif 890 error = scsipi_execute_xs(xs); 891 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 892 KASSERT(error == 0); 893 } 894} 895 896static void 897cdrestart(void *v) 898{ 899 int s = splbio(); 900 cdstart((struct scsipi_periph *)v); 901 splx(s); 902} 903 904static void 905cddone(struct scsipi_xfer *xs, int error) 906{ 907 struct cd_softc *cd = (void *)xs->xs_periph->periph_dev; 908 struct buf *bp = xs->bp; 909 910 if (bp) { 911 /* note, bp->b_resid is NOT initialised */ 912 bp->b_error = error; 913 bp->b_resid = xs->resid; 914 if (error) { 915 /* on a read/write error bp->b_resid is zero, so fix */ 916 bp->b_resid = bp->b_bcount; 917 } 918 919 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 920 (bp->b_flags & B_READ)); 921#if NRND > 0 922 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 923#endif 924 925 biodone(bp); 926 } 927} 928 929static void 930cdbounce(struct buf *bp) 931{ 932 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 933 struct buf *obp = bounce->obp; 934 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(obp->b_dev)]; 935 struct disklabel *lp = cd->sc_dk.dk_label; 936 937 if (bp->b_error != 0) { 938 /* EEK propagate the error and free the memory */ 939 goto done; 940 } 941 942 KASSERT(obp->b_flags & B_READ); 943 944 /* copy bounce buffer to final destination */ 945 memcpy((char *)obp->b_data + bounce->doff, 946 (char *)bp->b_data + bounce->soff, bounce->bcount); 947 948 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 949 KASSERT(bounce->resid >= bounce->bcount); 950 bounce->resid -= bounce->bcount; 951 if (bounce->resid > 0) { 952 struct buf *nbp; 953 daddr_t blkno; 954 long count; 955 int s; 956 957 blkno = obp->b_rawblkno + 958 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 959 count = ((blkno * lp->d_secsize) % cd->params.blksize); 960 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 961 bounce->soff = count; 962 bounce->doff += bounce->bcount; 963 count += bounce->resid; 964 count = roundup(count, cd->params.blksize); 965 bounce->bcount = bounce->resid; 966 if (count > MAXPHYS) { 967 bounce->bcount = MAXPHYS - bounce->soff; 968 count = MAXPHYS; 969 } 970 971 nbp = getiobuf(false, NULL); 972 if (!nbp) { 973 /* No memory -- fail the iop. */ 974 bp->b_error = ENOMEM; 975 goto done; 976 } 977 978 /* Set up the IOP to the bounce buffer. */ 979 nbp->b_error = 0; 980 nbp->b_proc = obp->b_proc; 981 nbp->b_bcount = count; 982 nbp->b_bufsize = count; 983 nbp->b_data = bp->b_data; 984 nbp->b_rawblkno = blkno; 985 nbp->b_flags = obp->b_flags | B_READ; 986 nbp->b_oflags = obp->b_oflags; 987 nbp->b_cflags = obp->b_cflags; 988 nbp->b_iodone = cdbounce; 989 990 /* store bounce state in b_private and use new buf */ 991 nbp->b_private = bounce; 992 993 BIO_COPYPRIO(nbp, obp); 994 995 bp->b_data = NULL; 996 putiobuf(bp); 997 998 /* enqueue the request and return */ 999 s = splbio(); 1000 BUFQ_PUT(cd->buf_queue, nbp); 1001 cdstart(cd->sc_periph); 1002 splx(s); 1003 1004 return; 1005 } 1006 1007done: 1008 obp->b_error = bp->b_error; 1009 obp->b_resid = bp->b_resid; 1010 free(bp->b_data, M_DEVBUF); 1011 free(bounce, M_DEVBUF); 1012 bp->b_data = NULL; 1013 putiobuf(bp); 1014 biodone(obp); 1015} 1016 1017static int 1018cd_interpret_sense(struct scsipi_xfer *xs) 1019{ 1020 struct scsipi_periph *periph = xs->xs_periph; 1021 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1022 int retval = EJUSTRETURN; 1023 1024 /* 1025 * If it isn't a extended or extended/deferred error, let 1026 * the generic code handle it. 1027 */ 1028 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1029 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1030 return (retval); 1031 1032 /* 1033 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1034 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1035 * wait a bit for the drive to spin up 1036 */ 1037 1038 if (SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY && 1039 sense->asc == 0x4 && 1040 sense->ascq == 0x01) { 1041 /* 1042 * Sleep for 5 seconds to wait for the drive to spin up 1043 */ 1044 1045 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1046 "spinup\n")); 1047 if (!callout_pending(&periph->periph_callout)) 1048 scsipi_periph_freeze(periph, 1); 1049 callout_reset(&periph->periph_callout, 1050 5 * hz, scsipi_periph_timed_thaw, periph); 1051 retval = ERESTART; 1052 } 1053 1054 /* 1055 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1056 * progress" (Sense code 0x04, 0x08), then wait for the specified 1057 * time 1058 */ 1059 1060 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1061 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1062 /* 1063 * long write in process; we could listen to the delay; but it 1064 * looks like the skey data is not always returned. 1065 */ 1066 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1067 1068 /* wait for a second and get going again */ 1069 if (!callout_pending(&periph->periph_callout)) 1070 scsipi_periph_freeze(periph, 1); 1071 callout_reset(&periph->periph_callout, 1072 1 * hz, scsipi_periph_timed_thaw, periph); 1073 retval = ERESTART; 1074 } 1075 1076 return (retval); 1077} 1078 1079static void 1080cdminphys(struct buf *bp) 1081{ 1082 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 1083 long xmax; 1084 1085 /* 1086 * If the device is ancient, we want to make sure that 1087 * the transfer fits into a 6-byte cdb. 1088 * 1089 * XXX Note that the SCSI-I spec says that 256-block transfers 1090 * are allowed in a 6-byte read/write, and are specified 1091 * by settng the "length" to 0. However, we're conservative 1092 * here, allowing only 255-block transfers in case an 1093 * ancient device gets confused by length == 0. A length of 0 1094 * in a 10-byte read/write actually means 0 blocks. 1095 */ 1096 if (cd->flags & CDF_ANCIENT) { 1097 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1098 1099 if (bp->b_bcount > xmax) 1100 bp->b_bcount = xmax; 1101 } 1102 1103 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1104} 1105 1106static int 1107cdread(dev_t dev, struct uio *uio, int ioflag) 1108{ 1109 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1110} 1111 1112static int 1113cdwrite(dev_t dev, struct uio *uio, int ioflag) 1114{ 1115 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1116} 1117 1118#if 0 /* XXX Not used */ 1119/* 1120 * conversion between minute-seconde-frame and logical block address 1121 * addresses format 1122 */ 1123static void 1124lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1125{ 1126 u_long tmp; 1127 1128 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1129 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1130 *m = tmp / (CD_SECS * CD_FRAMES); 1131 tmp %= (CD_SECS * CD_FRAMES); 1132 *s = tmp / CD_FRAMES; 1133 *f = tmp % CD_FRAMES; 1134} 1135#endif /* XXX Not used */ 1136 1137/* 1138 * Convert an hour:minute:second:frame address to a logical block adres. In 1139 * theory the number of secs/minute and number of frames/second could be 1140 * configured differently in the device as could the block offset but in 1141 * practice these values are rock solid and most drives don't even allow 1142 * theses values to be changed. 1143 */ 1144static uint32_t 1145hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1146{ 1147 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1148 - CD_BLOCK_OFFSET; 1149} 1150 1151static int 1152cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1153{ 1154 struct scsipi_periph *periph = cd->sc_periph; 1155 int error; 1156 struct cd_toc_entry *cte; 1157 1158 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1159 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1160 XS_CTL_DATA_ONSTACK, 1161 0x40 /* control word for "get MS info" */); 1162 1163 if (error) 1164 return (error); 1165 1166 cte = &toc->entries[0]; 1167 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1168 cte->addr.lba = le32toh(cte->addr.lba); 1169 toc->header.len = le16toh(toc->header.len); 1170 } else { 1171 cte->addr.lba = be32toh(cte->addr.lba); 1172 toc->header.len = be16toh(toc->header.len); 1173 } 1174 1175 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1176 cte->addr.lba : 0; 1177 return 0; 1178} 1179 1180/* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1181static int 1182cdcachesync(struct scsipi_periph *periph, int flags) { 1183 struct scsi_synchronize_cache_10 cmd; 1184 1185 /* 1186 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1187 * and length 0 as it can't synchronise parts of the disc per spec. 1188 * We ignore ILLEGAL REQUEST in the event that the command is not 1189 * supported by the device, and poll for completion so that we know 1190 * that the cache has actually been flushed. 1191 * 1192 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1193 */ 1194 1195 memset(&cmd, 0, sizeof(cmd)); 1196 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1197 1198 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1199 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1200} 1201 1202static int 1203do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1204 struct cd_formatted_toc *toc) 1205{ 1206 /* READ TOC format 0 command, entries */ 1207 struct ioc_toc_header *th; 1208 struct cd_toc_entry *cte; 1209 u_int len = te->data_len; 1210 int ntracks; 1211 int error; 1212 1213 th = &toc->header; 1214 1215 if (len > sizeof(toc->entries) || 1216 len < sizeof(toc->entries[0])) 1217 return (EINVAL); 1218 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1219 te->starting_track, toc, 1220 sizeof(toc->header) + len, 1221 XS_CTL_DATA_ONSTACK, 0); 1222 if (error) 1223 return (error); 1224 if (te->address_format == CD_LBA_FORMAT) 1225 for (ntracks = 1226 th->ending_track - th->starting_track + 1; 1227 ntracks >= 0; ntracks--) { 1228 cte = &toc->entries[ntracks]; 1229 cte->addr_type = CD_LBA_FORMAT; 1230 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1231 cte->addr.lba = le32toh(cte->addr.lba); 1232 else 1233 cte->addr.lba = be32toh(cte->addr.lba); 1234 } 1235 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1236 th->len = le16toh(th->len); 1237 else 1238 th->len = be16toh(th->len); 1239 return 0; 1240} 1241 1242/* 1243 * Perform special action on behalf of the user. 1244 * Knows about the internals of this device 1245 */ 1246static int 1247cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1248{ 1249 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 1250 struct scsipi_periph *periph = cd->sc_periph; 1251 struct cd_formatted_toc toc; 1252 int part = CDPART(dev); 1253 int error = 0; 1254 int s; 1255#ifdef __HAVE_OLD_DISKLABEL 1256 struct disklabel *newlabel = NULL; 1257#endif 1258 1259 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1260 1261 /* 1262 * If the device is not valid, some IOCTLs can still be 1263 * handled on the raw partition. Check this here. 1264 */ 1265 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1266 switch (cmd) { 1267 case DIOCWLABEL: 1268 case DIOCLOCK: 1269 case ODIOCEJECT: 1270 case DIOCEJECT: 1271 case DIOCCACHESYNC: 1272 case SCIOCIDENTIFY: 1273 case OSCIOCIDENTIFY: 1274 case SCIOCCOMMAND: 1275 case SCIOCDEBUG: 1276 case CDIOCGETVOL: 1277 case CDIOCSETVOL: 1278 case CDIOCSETMONO: 1279 case CDIOCSETSTEREO: 1280 case CDIOCSETMUTE: 1281 case CDIOCSETLEFT: 1282 case CDIOCSETRIGHT: 1283 case CDIOCCLOSE: 1284 case CDIOCEJECT: 1285 case CDIOCALLOW: 1286 case CDIOCPREVENT: 1287 case CDIOCSETDEBUG: 1288 case CDIOCCLRDEBUG: 1289 case CDIOCRESET: 1290 case SCIOCRESET: 1291 case CDIOCLOADUNLOAD: 1292 case DVD_AUTH: 1293 case DVD_READ_STRUCT: 1294 case DIOCGSTRATEGY: 1295 case DIOCSSTRATEGY: 1296 if (part == RAW_PART) 1297 break; 1298 /* FALLTHROUGH */ 1299 default: 1300 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1301 return (ENODEV); 1302 else 1303 return (EIO); 1304 } 1305 } 1306 1307 switch (cmd) { 1308 case DIOCGDINFO: 1309 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1310 return (0); 1311#ifdef __HAVE_OLD_DISKLABEL 1312 case ODIOCGDINFO: 1313 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1314 if (newlabel == NULL) 1315 return (EIO); 1316 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1317 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1318 error = ENOTTY; 1319 else 1320 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1321 free(newlabel, M_TEMP); 1322 return error; 1323#endif 1324 1325 case DIOCGPART: 1326 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1327 ((struct partinfo *)addr)->part = 1328 &cd->sc_dk.dk_label->d_partitions[part]; 1329 return (0); 1330 1331 case DIOCWDINFO: 1332 case DIOCSDINFO: 1333#ifdef __HAVE_OLD_DISKLABEL 1334 case ODIOCWDINFO: 1335 case ODIOCSDINFO: 1336#endif 1337 { 1338 struct disklabel *lp; 1339 1340 if ((flag & FWRITE) == 0) 1341 return (EBADF); 1342 1343#ifdef __HAVE_OLD_DISKLABEL 1344 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1345 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1346 if (newlabel == NULL) 1347 return (EIO); 1348 memset(newlabel, 0, sizeof newlabel); 1349 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1350 lp = newlabel; 1351 } else 1352#endif 1353 lp = addr; 1354 1355 mutex_enter(&cd->sc_lock); 1356 cd->flags |= CDF_LABELLING; 1357 1358 error = setdisklabel(cd->sc_dk.dk_label, 1359 lp, /*cd->sc_dk.dk_openmask : */0, 1360 cd->sc_dk.dk_cpulabel); 1361 if (error == 0) { 1362 /* XXX ? */ 1363 } 1364 1365 cd->flags &= ~CDF_LABELLING; 1366 mutex_exit(&cd->sc_lock); 1367#ifdef __HAVE_OLD_DISKLABEL 1368 if (newlabel != NULL) 1369 free(newlabel, M_TEMP); 1370#endif 1371 return (error); 1372 } 1373 1374 case DIOCWLABEL: 1375 return (EBADF); 1376 1377 case DIOCGDEFLABEL: 1378 cdgetdefaultlabel(cd, &toc, addr); 1379 return (0); 1380 1381#ifdef __HAVE_OLD_DISKLABEL 1382 case ODIOCGDEFLABEL: 1383 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1384 if (newlabel == NULL) 1385 return (EIO); 1386 cdgetdefaultlabel(cd, &toc, newlabel); 1387 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1388 error = ENOTTY; 1389 else 1390 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1391 free(newlabel, M_TEMP); 1392 return error; 1393#endif 1394 1395 case CDIOCPLAYTRACKS: { 1396 /* PLAY_MSF command */ 1397 struct ioc_play_track *args = addr; 1398 1399 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1400 return (error); 1401 return (cd_play_tracks(cd, &toc, args->start_track, 1402 args->start_index, args->end_track, args->end_index)); 1403 } 1404 case CDIOCPLAYMSF: { 1405 /* PLAY_MSF command */ 1406 struct ioc_play_msf *args = addr; 1407 1408 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1409 return (error); 1410 return (cd_play_msf(cd, args->start_m, args->start_s, 1411 args->start_f, args->end_m, args->end_s, args->end_f)); 1412 } 1413 case CDIOCPLAYBLOCKS: { 1414 /* PLAY command */ 1415 struct ioc_play_blocks *args = addr; 1416 1417 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1418 return (error); 1419 return (cd_play(cd, args->blk, args->len)); 1420 } 1421 case CDIOCREADSUBCHANNEL: { 1422 /* READ_SUBCHANNEL command */ 1423 struct ioc_read_subchannel *args = addr; 1424 struct cd_sub_channel_info data; 1425 u_int len = args->data_len; 1426 1427 if (len > sizeof(data) || 1428 len < sizeof(struct cd_sub_channel_header)) 1429 return (EINVAL); 1430 error = cd_read_subchannel(cd, args->address_format, 1431 args->data_format, args->track, &data, len, 1432 XS_CTL_DATA_ONSTACK); 1433 if (error) 1434 return (error); 1435 len = min(len, _2btol(data.header.data_len) + 1436 sizeof(struct cd_sub_channel_header)); 1437 return (copyout(&data, args->data, len)); 1438 } 1439 case CDIOCREADSUBCHANNEL_BUF: { 1440 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1441 struct ioc_read_subchannel_buf *args = addr; 1442 if (args->req.data_len != sizeof args->info) 1443 return EINVAL; 1444 return cd_read_subchannel(cd, args->req.address_format, 1445 args->req.data_format, args->req.track, &args->info, 1446 sizeof args->info, XS_CTL_DATA_ONSTACK); 1447 } 1448 case CDIOREADTOCHEADER: { 1449 /* READ TOC format 0 command, static header */ 1450 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1451 &toc, sizeof(toc.header), 1452 XS_CTL_DATA_ONSTACK, 0)) != 0) 1453 return (error); 1454 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1455 toc.header.len = le16toh(toc.header.len); 1456 else 1457 toc.header.len = be16toh(toc.header.len); 1458 memcpy(addr, &toc.header, sizeof(toc.header)); 1459 return (0); 1460 } 1461 case CDIOREADTOCENTRYS: { 1462 struct ioc_read_toc_entry *te = addr; 1463 error = do_cdioreadentries(cd, te, &toc); 1464 if (error != 0) 1465 return error; 1466 return copyout(toc.entries, te->data, min(te->data_len, 1467 toc.header.len - (sizeof(toc.header.starting_track) 1468 + sizeof(toc.header.ending_track)))); 1469 } 1470 case CDIOREADTOCENTRIES_BUF: { 1471 struct ioc_read_toc_entry_buf *te = addr; 1472 error = do_cdioreadentries(cd, &te->req, &toc); 1473 if (error != 0) 1474 return error; 1475 memcpy(te->entry, toc.entries, min(te->req.data_len, 1476 toc.header.len - (sizeof(toc.header.starting_track) 1477 + sizeof(toc.header.ending_track)))); 1478 return 0; 1479 } 1480 case CDIOREADMSADDR: { 1481 /* READ TOC format 0 command, length of first track only */ 1482 int sessno = *(int*)addr; 1483 1484 if (sessno != 0) 1485 return (EINVAL); 1486 1487 return (cdreadmsaddr(cd, &toc, addr)); 1488 } 1489 case CDIOCSETPATCH: { 1490 struct ioc_patch *arg = addr; 1491 1492 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1493 arg->patch[2], arg->patch[3], 0)); 1494 } 1495 case CDIOCGETVOL: { 1496 /* MODE SENSE command (AUDIO page) */ 1497 struct ioc_vol *arg = addr; 1498 1499 return (cd_getvol(cd, arg, 0)); 1500 } 1501 case CDIOCSETVOL: { 1502 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1503 struct ioc_vol *arg = addr; 1504 1505 return (cd_setvol(cd, arg, 0)); 1506 } 1507 case CDIOCSETMONO: 1508 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1509 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1510 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1511 1512 case CDIOCSETSTEREO: 1513 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1514 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1515 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1516 1517 case CDIOCSETMUTE: 1518 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1519 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1520 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1521 1522 case CDIOCSETLEFT: 1523 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1524 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1525 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1526 1527 case CDIOCSETRIGHT: 1528 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1529 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1530 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1531 1532 case CDIOCRESUME: 1533 /* PAUSE command */ 1534 return (cd_pause(cd, PA_RESUME)); 1535 case CDIOCPAUSE: 1536 /* PAUSE command */ 1537 return (cd_pause(cd, PA_PAUSE)); 1538 case CDIOCSTART: 1539 return (scsipi_start(periph, SSS_START, 0)); 1540 case CDIOCSTOP: 1541 return (scsipi_start(periph, SSS_STOP, 0)); 1542 case CDIOCCLOSE: 1543 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1544 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1545 case DIOCEJECT: 1546 if (*(int *)addr == 0) { 1547 /* 1548 * Don't force eject: check that we are the only 1549 * partition open. If so, unlock it. 1550 */ 1551 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1552 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1553 cd->sc_dk.dk_openmask) { 1554 error = scsipi_prevent(periph, SPAMR_ALLOW, 1555 XS_CTL_IGNORE_NOT_READY); 1556 if (error) 1557 return (error); 1558 } else { 1559 return (EBUSY); 1560 } 1561 } 1562 /* FALLTHROUGH */ 1563 case CDIOCEJECT: /* FALLTHROUGH */ 1564 case ODIOCEJECT: 1565 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1566 case DIOCCACHESYNC: 1567 /* SYNCHRONISE CACHES command */ 1568 return (cdcachesync(periph, 0)); 1569 case CDIOCALLOW: 1570 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1571 case CDIOCPREVENT: 1572 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1573 case DIOCLOCK: 1574 return (scsipi_prevent(periph, 1575 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1576 case CDIOCSETDEBUG: 1577 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1578 return (0); 1579 case CDIOCCLRDEBUG: 1580 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1581 return (0); 1582 case CDIOCRESET: 1583 case SCIOCRESET: 1584 return (cd_reset(cd)); 1585 case CDIOCLOADUNLOAD: 1586 /* LOAD_UNLOAD command */ 1587 return (cd_load_unload(cd, addr)); 1588 case DVD_AUTH: 1589 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1590 return (dvd_auth(cd, addr)); 1591 case DVD_READ_STRUCT: 1592 /* GPCMD_READ_DVD_STRUCTURE command */ 1593 return (dvd_read_struct(cd, addr)); 1594 case MMCGETDISCINFO: 1595 /* 1596 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1597 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1598 */ 1599 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1600 case MMCGETTRACKINFO: 1601 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1602 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1603 case DIOCGSTRATEGY: 1604 { 1605 struct disk_strategy *dks = addr; 1606 1607 s = splbio(); 1608 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1609 sizeof(dks->dks_name)); 1610 splx(s); 1611 dks->dks_paramlen = 0; 1612 1613 return 0; 1614 } 1615 case DIOCSSTRATEGY: 1616 { 1617 struct disk_strategy *dks = addr; 1618 struct bufq_state *new; 1619 struct bufq_state *old; 1620 1621 if ((flag & FWRITE) == 0) { 1622 return EBADF; 1623 } 1624 if (dks->dks_param != NULL) { 1625 return EINVAL; 1626 } 1627 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1628 error = bufq_alloc(&new, dks->dks_name, 1629 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1630 if (error) { 1631 return error; 1632 } 1633 s = splbio(); 1634 old = cd->buf_queue; 1635 bufq_move(new, old); 1636 cd->buf_queue = new; 1637 splx(s); 1638 bufq_free(old); 1639 1640 return 0; 1641 } 1642 default: 1643 if (part != RAW_PART) 1644 return (ENOTTY); 1645 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1646 } 1647 1648#ifdef DIAGNOSTIC 1649 panic("cdioctl: impossible"); 1650#endif 1651} 1652 1653static void 1654cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1655 struct disklabel *lp) 1656{ 1657 int lastsession; 1658 1659 memset(lp, 0, sizeof(struct disklabel)); 1660 1661 lp->d_secsize = cd->params.blksize; 1662 lp->d_ntracks = 1; 1663 lp->d_nsectors = 100; 1664 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1665 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1666 1667 switch (scsipi_periph_bustype(cd->sc_periph)) { 1668 case SCSIPI_BUSTYPE_SCSI: 1669 lp->d_type = DTYPE_SCSI; 1670 break; 1671 case SCSIPI_BUSTYPE_ATAPI: 1672 lp->d_type = DTYPE_ATAPI; 1673 break; 1674 } 1675 /* 1676 * XXX 1677 * We could probe the mode pages to figure out what kind of disc it is. 1678 * Is this worthwhile? 1679 */ 1680 strncpy(lp->d_typename, "mydisc", 16); 1681 strncpy(lp->d_packname, "fictitious", 16); 1682 lp->d_secperunit = cd->params.disksize; 1683 lp->d_rpm = 300; 1684 lp->d_interleave = 1; 1685 lp->d_flags = D_REMOVABLE; 1686 1687 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1688 lastsession = 0; 1689 1690 lp->d_partitions[0].p_offset = 0; 1691 lp->d_partitions[0].p_size = lp->d_secperunit; 1692 lp->d_partitions[0].p_cdsession = lastsession; 1693 lp->d_partitions[0].p_fstype = FS_ISO9660; 1694 lp->d_partitions[RAW_PART].p_offset = 0; 1695 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1696 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1697 lp->d_npartitions = RAW_PART + 1; 1698 1699 lp->d_magic = DISKMAGIC; 1700 lp->d_magic2 = DISKMAGIC; 1701 lp->d_checksum = dkcksum(lp); 1702} 1703 1704/* 1705 * Load the label information on the named device 1706 * Actually fabricate a disklabel 1707 * 1708 * EVENTUALLY take information about different 1709 * data tracks from the TOC and put it in the disklabel 1710 */ 1711static void 1712cdgetdisklabel(struct cd_softc *cd) 1713{ 1714 struct disklabel *lp = cd->sc_dk.dk_label; 1715 struct cd_formatted_toc toc; 1716 const char *errstring; 1717 1718 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1719 1720 cdgetdefaultlabel(cd, &toc, lp); 1721 1722 /* 1723 * Call the generic disklabel extraction routine 1724 */ 1725 errstring = readdisklabel(MAKECDDEV(0, device_unit(&cd->sc_dev), 1726 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1727 1728 /* if all went OK, we are passed a NULL error string */ 1729 if (errstring == NULL) 1730 return; 1731 1732 /* Reset to default label -- after printing error and the warning */ 1733 printf("%s: %s\n", cd->sc_dev.dv_xname, errstring); 1734 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1735 cdgetdefaultlabel(cd, &toc, lp); 1736} 1737 1738/* 1739 * Reading a discs total capacity is aparently a very difficult issue for the 1740 * SCSI standardisation group. Every disc type seems to have its own 1741 * (re)invented size request method and modifiers. The failsafe way of 1742 * determining the total (max) capacity i.e. not the recorded capacity but the 1743 * total maximum capacity is to request the info on the last track and 1744 * calucate the total size. 1745 * 1746 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1747 * we count. 1748 */ 1749static int 1750read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1751{ 1752 struct scsipi_read_cd_capacity cap_cmd; 1753 struct scsipi_read_cd_cap_data cap; 1754 struct scsipi_read_discinfo di_cmd; 1755 struct scsipi_read_discinfo_data di; 1756 struct scsipi_read_trackinfo ti_cmd; 1757 struct scsipi_read_trackinfo_data ti; 1758 uint32_t track_start, track_size; 1759 int error, flags, msb, lsb, last_track; 1760 1761 /* if the device doesn't grog capacity, return the dummies */ 1762 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1763 return 0; 1764 1765 /* first try read CD capacity for blksize and recorded size */ 1766 /* issue the cd capacity request */ 1767 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1768 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1769 cap_cmd.opcode = READ_CD_CAPACITY; 1770 1771 error = scsipi_command(periph, 1772 (void *) &cap_cmd, sizeof(cap_cmd), 1773 (void *) &cap, sizeof(cap), 1774 CDRETRIES, 30000, NULL, flags); 1775 if (error) 1776 return error; 1777 1778 /* retrieve values and sanity check them */ 1779 *blksize = _4btol(cap.length); 1780 *size = _4btol(cap.addr); 1781 1782 /* blksize is 2048 for CD, but some drives give gibberish */ 1783 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1784 *blksize = 2048; /* some drives lie ! */ 1785 1786 /* recordables have READ_DISCINFO implemented */ 1787 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1788 memset(&di_cmd, 0, sizeof(di_cmd)); 1789 di_cmd.opcode = READ_DISCINFO; 1790 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1791 1792 error = scsipi_command(periph, 1793 (void *) &di_cmd, sizeof(di_cmd), 1794 (void *) &di, READ_DISCINFO_BIGSIZE, 1795 CDRETRIES, 30000, NULL, flags); 1796 if (error == 0) { 1797 msb = di.last_track_last_session_msb; 1798 lsb = di.last_track_last_session_lsb; 1799 last_track = (msb << 8) | lsb; 1800 1801 /* request info on last track */ 1802 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1803 ti_cmd.opcode = READ_TRACKINFO; 1804 ti_cmd.addr_type = 1; /* on tracknr */ 1805 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1806 _lto2b(sizeof(ti), ti_cmd.data_len); 1807 1808 error = scsipi_command(periph, 1809 (void *) &ti_cmd, sizeof(ti_cmd), 1810 (void *) &ti, sizeof(ti), 1811 CDRETRIES, 30000, NULL, flags); 1812 if (error == 0) { 1813 track_start = _4btol(ti.track_start); 1814 track_size = _4btol(ti.track_size); 1815 1816 /* overwrite only with a sane value */ 1817 if (track_start + track_size >= 100) 1818 *size = track_start + track_size; 1819 } 1820 } 1821 1822 /* sanity check for size */ 1823 if (*size < 100) 1824 *size = 400000; 1825 1826 return 0; 1827} 1828 1829/* 1830 * Find out from the device what it's capacity is 1831 */ 1832static u_long 1833cd_size(struct cd_softc *cd, int flags) 1834{ 1835 u_int blksize; 1836 u_long size; 1837 int error; 1838 1839 /* set up fake values */ 1840 blksize = 2048; 1841 size = 400000; 1842 1843 /* if this function bounces with an error return fake value */ 1844 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1845 if (error) 1846 return size; 1847 1848 if (blksize != 2048) { 1849 if (cd_setblksize(cd) == 0) 1850 blksize = 2048; 1851 } 1852 cd->params.blksize = blksize; 1853 cd->params.disksize = size; 1854 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1855 1856 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1857 ("cd_size: %u %lu\n", blksize, size)); 1858 1859 return size; 1860} 1861 1862/* 1863 * Get scsi driver to send a "start playing" command 1864 */ 1865static int 1866cd_play(struct cd_softc *cd, int blkno, int nblks) 1867{ 1868 struct scsipi_play cmd; 1869 1870 memset(&cmd, 0, sizeof(cmd)); 1871 cmd.opcode = PLAY; 1872 _lto4b(blkno, cmd.blk_addr); 1873 _lto2b(nblks, cmd.xfer_len); 1874 1875 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1876 CDRETRIES, 30000, NULL, 0)); 1877} 1878 1879/* 1880 * Get scsi driver to send a "start playing" command 1881 */ 1882static int 1883cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1884 int sindex, int etrack, int eindex) 1885{ 1886 int error; 1887 1888 if (!etrack) 1889 return (EIO); 1890 if (strack > etrack) 1891 return (EINVAL); 1892 1893 error = cd_load_toc(cd, CD_TOC_FORM, toc, XS_CTL_DATA_ONSTACK); 1894 if (error) 1895 return (error); 1896 1897 if (++etrack > (toc->header.ending_track+1)) 1898 etrack = toc->header.ending_track+1; 1899 1900 strack -= toc->header.starting_track; 1901 etrack -= toc->header.starting_track; 1902 if (strack < 0) 1903 return (EINVAL); 1904 1905 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1906 toc->entries[strack].addr.msf.second, 1907 toc->entries[strack].addr.msf.frame, 1908 toc->entries[etrack].addr.msf.minute, 1909 toc->entries[etrack].addr.msf.second, 1910 toc->entries[etrack].addr.msf.frame)); 1911} 1912 1913/* 1914 * Get scsi driver to send a "play msf" command 1915 */ 1916static int 1917cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1918 int ends, int endf) 1919{ 1920 struct scsipi_play_msf cmd; 1921 1922 memset(&cmd, 0, sizeof(cmd)); 1923 cmd.opcode = PLAY_MSF; 1924 cmd.start_m = startm; 1925 cmd.start_s = starts; 1926 cmd.start_f = startf; 1927 cmd.end_m = endm; 1928 cmd.end_s = ends; 1929 cmd.end_f = endf; 1930 1931 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1932 CDRETRIES, 30000, NULL, 0)); 1933} 1934 1935/* 1936 * Get scsi driver to send a "start up" command 1937 */ 1938static int 1939cd_pause(struct cd_softc *cd, int go) 1940{ 1941 struct scsipi_pause cmd; 1942 1943 memset(&cmd, 0, sizeof(cmd)); 1944 cmd.opcode = PAUSE; 1945 cmd.resume = go & 0xff; 1946 1947 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1948 CDRETRIES, 30000, NULL, 0)); 1949} 1950 1951/* 1952 * Get scsi driver to send a "RESET" command 1953 */ 1954static int 1955cd_reset(struct cd_softc *cd) 1956{ 1957 1958 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1959 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1960} 1961 1962/* 1963 * Read subchannel 1964 */ 1965static int 1966cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1967 struct cd_sub_channel_info *data, int len, int flags) 1968{ 1969 struct scsipi_read_subchannel cmd; 1970 1971 memset(&cmd, 0, sizeof(cmd)); 1972 cmd.opcode = READ_SUBCHANNEL; 1973 if (mode == CD_MSF_FORMAT) 1974 cmd.byte2 |= CD_MSF; 1975 cmd.byte3 = SRS_SUBQ; 1976 cmd.subchan_format = format; 1977 cmd.track = track; 1978 _lto2b(len, cmd.data_len); 1979 1980 return (scsipi_command(cd->sc_periph, 1981 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1982 (void *)data, len, 1983 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1984} 1985 1986/* 1987 * Read table of contents 1988 */ 1989static int 1990cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1991 struct cd_formatted_toc *toc, int len, int flags, int control) 1992{ 1993 struct scsipi_read_toc cmd; 1994 int ntoc; 1995 1996 memset(&cmd, 0, sizeof(cmd)); 1997#if 0 1998 if (len != sizeof(struct ioc_toc_header)) 1999 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 2000 sizeof(struct cd_toc_entry); 2001 else 2002#endif 2003 ntoc = len; 2004 cmd.opcode = READ_TOC; 2005 if (mode == CD_MSF_FORMAT) 2006 cmd.addr_mode |= CD_MSF; 2007 cmd.resp_format = respf; 2008 cmd.from_track = start; 2009 _lto2b(ntoc, cmd.data_len); 2010 cmd.control = control; 2011 2012 return (scsipi_command(cd->sc_periph, 2013 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2014 30000, NULL, flags | XS_CTL_DATA_IN)); 2015} 2016 2017static int 2018cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2019{ 2020 int ntracks, len, error; 2021 2022 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2023 flags, 0)) != 0) 2024 return (error); 2025 2026 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2027 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2028 sizeof(toc->header); 2029 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2030 flags, 0)) != 0) 2031 return (error); 2032 return (0); 2033} 2034 2035/* 2036 * Get the scsi driver to send a full inquiry to the device and use the 2037 * results to fill out the disk parameter structure. 2038 */ 2039static int 2040cd_get_parms(struct cd_softc *cd, int flags) 2041{ 2042 2043 /* 2044 * give a number of sectors so that sec * trks * cyls 2045 * is <= disk_size 2046 */ 2047 if (cd_size(cd, flags) == 0) 2048 return (ENXIO); 2049 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2050 return (0); 2051} 2052 2053static int 2054cdsize(dev_t dev) 2055{ 2056 2057 /* CD-ROMs are read-only. */ 2058 return (-1); 2059} 2060 2061static int 2062cddump(dev_t dev, daddr_t blkno, void *va, 2063 size_t size) 2064{ 2065 2066 /* Not implemented. */ 2067 return (ENXIO); 2068} 2069 2070#define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2071#define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2072 2073static int 2074dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2075{ 2076 struct scsipi_generic cmd; 2077 u_int8_t bf[20]; 2078 int error; 2079 2080 memset(cmd.bytes, 0, 15); 2081 memset(bf, 0, sizeof(bf)); 2082 2083 switch (a->type) { 2084 case DVD_LU_SEND_AGID: 2085 cmd.opcode = GPCMD_REPORT_KEY; 2086 cmd.bytes[8] = 8; 2087 cmd.bytes[9] = 0 | (0 << 6); 2088 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2089 CDRETRIES, 30000, NULL, 2090 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2091 if (error) 2092 return (error); 2093 a->lsa.agid = bf[7] >> 6; 2094 return (0); 2095 2096 case DVD_LU_SEND_CHALLENGE: 2097 cmd.opcode = GPCMD_REPORT_KEY; 2098 cmd.bytes[8] = 16; 2099 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2100 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2101 CDRETRIES, 30000, NULL, 2102 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2103 if (error) 2104 return (error); 2105 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2106 return (0); 2107 2108 case DVD_LU_SEND_KEY1: 2109 cmd.opcode = GPCMD_REPORT_KEY; 2110 cmd.bytes[8] = 12; 2111 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2112 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2113 CDRETRIES, 30000, NULL, 2114 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2115 if (error) 2116 return (error); 2117 dvd_copy_key(a->lsk.key, &bf[4]); 2118 return (0); 2119 2120 case DVD_LU_SEND_TITLE_KEY: 2121 cmd.opcode = GPCMD_REPORT_KEY; 2122 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2123 cmd.bytes[8] = 12; 2124 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2125 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2126 CDRETRIES, 30000, NULL, 2127 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2128 if (error) 2129 return (error); 2130 a->lstk.cpm = (bf[4] >> 7) & 1; 2131 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2132 a->lstk.cgms = (bf[4] >> 4) & 3; 2133 dvd_copy_key(a->lstk.title_key, &bf[5]); 2134 return (0); 2135 2136 case DVD_LU_SEND_ASF: 2137 cmd.opcode = GPCMD_REPORT_KEY; 2138 cmd.bytes[8] = 8; 2139 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2140 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2141 CDRETRIES, 30000, NULL, 2142 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2143 if (error) 2144 return (error); 2145 a->lsasf.asf = bf[7] & 1; 2146 return (0); 2147 2148 case DVD_HOST_SEND_CHALLENGE: 2149 cmd.opcode = GPCMD_SEND_KEY; 2150 cmd.bytes[8] = 16; 2151 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2152 bf[1] = 14; 2153 dvd_copy_challenge(&bf[4], a->hsc.chal); 2154 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2155 CDRETRIES, 30000, NULL, 2156 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2157 if (error) 2158 return (error); 2159 a->type = DVD_LU_SEND_KEY1; 2160 return (0); 2161 2162 case DVD_HOST_SEND_KEY2: 2163 cmd.opcode = GPCMD_SEND_KEY; 2164 cmd.bytes[8] = 12; 2165 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2166 bf[1] = 10; 2167 dvd_copy_key(&bf[4], a->hsk.key); 2168 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2169 CDRETRIES, 30000, NULL, 2170 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2171 if (error) { 2172 a->type = DVD_AUTH_FAILURE; 2173 return (error); 2174 } 2175 a->type = DVD_AUTH_ESTABLISHED; 2176 return (0); 2177 2178 case DVD_INVALIDATE_AGID: 2179 cmd.opcode = GPCMD_REPORT_KEY; 2180 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2181 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2182 CDRETRIES, 30000, NULL, 0); 2183 if (error) 2184 return (error); 2185 return (0); 2186 2187 case DVD_LU_SEND_RPC_STATE: 2188 cmd.opcode = GPCMD_REPORT_KEY; 2189 cmd.bytes[8] = 8; 2190 cmd.bytes[9] = 8 | (0 << 6); 2191 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2192 CDRETRIES, 30000, NULL, 2193 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2194 if (error) 2195 return (error); 2196 a->lrpcs.type = (bf[4] >> 6) & 3; 2197 a->lrpcs.vra = (bf[4] >> 3) & 7; 2198 a->lrpcs.ucca = (bf[4]) & 7; 2199 a->lrpcs.region_mask = bf[5]; 2200 a->lrpcs.rpc_scheme = bf[6]; 2201 return (0); 2202 2203 case DVD_HOST_SEND_RPC_STATE: 2204 cmd.opcode = GPCMD_SEND_KEY; 2205 cmd.bytes[8] = 8; 2206 cmd.bytes[9] = 6 | (0 << 6); 2207 bf[1] = 6; 2208 bf[4] = a->hrpcs.pdrc; 2209 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2210 CDRETRIES, 30000, NULL, 2211 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2212 if (error) 2213 return (error); 2214 return (0); 2215 2216 default: 2217 return (ENOTTY); 2218 } 2219} 2220 2221static int 2222dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2223{ 2224 struct scsipi_generic cmd; 2225 u_int8_t bf[4 + 4 * 20], *bufp; 2226 int error; 2227 struct dvd_layer *layer; 2228 int i; 2229 2230 memset(cmd.bytes, 0, 15); 2231 memset(bf, 0, sizeof(bf)); 2232 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2233 cmd.bytes[6] = s->type; 2234 _lto2b(sizeof(bf), &cmd.bytes[7]); 2235 2236 cmd.bytes[5] = s->physical.layer_num; 2237 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2238 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2239 if (error) 2240 return (error); 2241 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2242 i++, bufp += 20, layer++) { 2243 memset(layer, 0, sizeof(*layer)); 2244 layer->book_version = bufp[0] & 0xf; 2245 layer->book_type = bufp[0] >> 4; 2246 layer->min_rate = bufp[1] & 0xf; 2247 layer->disc_size = bufp[1] >> 4; 2248 layer->layer_type = bufp[2] & 0xf; 2249 layer->track_path = (bufp[2] >> 4) & 1; 2250 layer->nlayers = (bufp[2] >> 5) & 3; 2251 layer->track_density = bufp[3] & 0xf; 2252 layer->linear_density = bufp[3] >> 4; 2253 layer->start_sector = _4btol(&bufp[4]); 2254 layer->end_sector = _4btol(&bufp[8]); 2255 layer->end_sector_l0 = _4btol(&bufp[12]); 2256 layer->bca = bufp[16] >> 7; 2257 } 2258 return (0); 2259} 2260 2261static int 2262dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2263{ 2264 struct scsipi_generic cmd; 2265 u_int8_t bf[8]; 2266 int error; 2267 2268 memset(cmd.bytes, 0, 15); 2269 memset(bf, 0, sizeof(bf)); 2270 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2271 cmd.bytes[6] = s->type; 2272 _lto2b(sizeof(bf), &cmd.bytes[7]); 2273 2274 cmd.bytes[5] = s->copyright.layer_num; 2275 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2276 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2277 if (error) 2278 return (error); 2279 s->copyright.cpst = bf[4]; 2280 s->copyright.rmi = bf[5]; 2281 return (0); 2282} 2283 2284static int 2285dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2286{ 2287 struct scsipi_generic cmd; 2288 u_int8_t *bf; 2289 int error; 2290 2291 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2292 if (bf == NULL) 2293 return EIO; 2294 memset(cmd.bytes, 0, 15); 2295 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2296 cmd.bytes[6] = s->type; 2297 _lto2b(4 + 2048, &cmd.bytes[7]); 2298 2299 cmd.bytes[9] = s->disckey.agid << 6; 2300 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2301 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2302 if (error == 0) 2303 memcpy(s->disckey.value, &bf[4], 2048); 2304 free(bf, M_TEMP); 2305 return error; 2306} 2307 2308static int 2309dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2310{ 2311 struct scsipi_generic cmd; 2312 u_int8_t bf[4 + 188]; 2313 int error; 2314 2315 memset(cmd.bytes, 0, 15); 2316 memset(bf, 0, sizeof(bf)); 2317 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2318 cmd.bytes[6] = s->type; 2319 _lto2b(sizeof(bf), &cmd.bytes[7]); 2320 2321 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2322 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2323 if (error) 2324 return (error); 2325 s->bca.len = _2btol(&bf[0]); 2326 if (s->bca.len < 12 || s->bca.len > 188) 2327 return (EIO); 2328 memcpy(s->bca.value, &bf[4], s->bca.len); 2329 return (0); 2330} 2331 2332static int 2333dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2334{ 2335 struct scsipi_generic cmd; 2336 u_int8_t *bf; 2337 int error; 2338 2339 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2340 if (bf == NULL) 2341 return (EIO); 2342 memset(cmd.bytes, 0, 15); 2343 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2344 cmd.bytes[6] = s->type; 2345 _lto2b(4 + 2048, &cmd.bytes[7]); 2346 2347 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2348 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2349 if (error == 0) { 2350 s->manufact.len = _2btol(&bf[0]); 2351 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2352 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2353 else 2354 error = EIO; 2355 } 2356 free(bf, M_TEMP); 2357 return error; 2358} 2359 2360static int 2361dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2362{ 2363 2364 switch (s->type) { 2365 case DVD_STRUCT_PHYSICAL: 2366 return (dvd_read_physical(cd, s)); 2367 case DVD_STRUCT_COPYRIGHT: 2368 return (dvd_read_copyright(cd, s)); 2369 case DVD_STRUCT_DISCKEY: 2370 return (dvd_read_disckey(cd, s)); 2371 case DVD_STRUCT_BCA: 2372 return (dvd_read_bca(cd, s)); 2373 case DVD_STRUCT_MANUFACT: 2374 return (dvd_read_manufact(cd, s)); 2375 default: 2376 return (EINVAL); 2377 } 2378} 2379 2380static int 2381cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2382 int page, int flags, int *big) 2383{ 2384 2385 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2386 *big = 1; 2387 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2388 size + sizeof(struct scsi_mode_parameter_header_10), 2389 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2390 } else { 2391 *big = 0; 2392 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2393 size + sizeof(struct scsi_mode_parameter_header_6), 2394 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2395 } 2396} 2397 2398static int 2399cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2400 int flags, int big) 2401{ 2402 2403 if (big) { 2404 struct scsi_mode_parameter_header_10 *header = sense; 2405 2406 _lto2b(0, header->data_length); 2407 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2408 size + sizeof(struct scsi_mode_parameter_header_10), 2409 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2410 } else { 2411 struct scsi_mode_parameter_header_6 *header = sense; 2412 2413 header->data_length = 0; 2414 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2415 size + sizeof(struct scsi_mode_parameter_header_6), 2416 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2417 } 2418} 2419 2420static int 2421cd_set_pa_immed(struct cd_softc *cd, int flags) 2422{ 2423 struct { 2424 union { 2425 struct scsi_mode_parameter_header_6 small; 2426 struct scsi_mode_parameter_header_10 big; 2427 } header; 2428 struct cd_audio_page page; 2429 } data; 2430 int error; 2431 uint8_t oflags; 2432 int big, byte2; 2433 struct cd_audio_page *page; 2434 2435 byte2 = SMS_DBD; 2436try_again: 2437 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2438 AUDIO_PAGE, flags, &big)) != 0) { 2439 if (byte2 == SMS_DBD) { 2440 /* Device may not understand DBD; retry without */ 2441 byte2 = 0; 2442 goto try_again; 2443 } 2444 return (error); 2445 } 2446 2447 if (big) 2448 page = (void *)((u_long)&data.header.big + 2449 sizeof data.header.big + 2450 _2btol(data.header.big.blk_desc_len)); 2451 else 2452 page = (void *)((u_long)&data.header.small + 2453 sizeof data.header.small + 2454 data.header.small.blk_desc_len); 2455 2456 oflags = page->flags; 2457 page->flags &= ~CD_PA_SOTC; 2458 page->flags |= CD_PA_IMMED; 2459 if (oflags == page->flags) 2460 return (0); 2461 2462 return (cd_mode_select(cd, SMS_PF, &data, 2463 sizeof(struct scsi_mode_page_header) + page->pg_length, 2464 flags, big)); 2465} 2466 2467static int 2468cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2469{ 2470 struct { 2471 union { 2472 struct scsi_mode_parameter_header_6 small; 2473 struct scsi_mode_parameter_header_10 big; 2474 } header; 2475 struct cd_audio_page page; 2476 } data; 2477 int error; 2478 int big, byte2; 2479 struct cd_audio_page *page; 2480 2481 byte2 = SMS_DBD; 2482try_again: 2483 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2484 AUDIO_PAGE, flags, &big)) != 0) { 2485 if (byte2 == SMS_DBD) { 2486 /* Device may not understand DBD; retry without */ 2487 byte2 = 0; 2488 goto try_again; 2489 } 2490 return (error); 2491 } 2492 2493 if (big) 2494 page = (void *)((u_long)&data.header.big + 2495 sizeof data.header.big + 2496 _2btol(data.header.big.blk_desc_len)); 2497 else 2498 page = (void *)((u_long)&data.header.small + 2499 sizeof data.header.small + 2500 data.header.small.blk_desc_len); 2501 2502 page->port[0].channels = p0; 2503 page->port[1].channels = p1; 2504 page->port[2].channels = p2; 2505 page->port[3].channels = p3; 2506 2507 return (cd_mode_select(cd, SMS_PF, &data, 2508 sizeof(struct scsi_mode_page_header) + page->pg_length, 2509 flags, big)); 2510} 2511 2512static int 2513cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2514{ 2515 struct { 2516 union { 2517 struct scsi_mode_parameter_header_6 small; 2518 struct scsi_mode_parameter_header_10 big; 2519 } header; 2520 struct cd_audio_page page; 2521 } data; 2522 int error; 2523 int big, byte2; 2524 struct cd_audio_page *page; 2525 2526 byte2 = SMS_DBD; 2527try_again: 2528 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2529 AUDIO_PAGE, flags, &big)) != 0) { 2530 if (byte2 == SMS_DBD) { 2531 /* Device may not understand DBD; retry without */ 2532 byte2 = 0; 2533 goto try_again; 2534 } 2535 return (error); 2536 } 2537 2538 if (big) 2539 page = (void *)((u_long)&data.header.big + 2540 sizeof data.header.big + 2541 _2btol(data.header.big.blk_desc_len)); 2542 else 2543 page = (void *)((u_long)&data.header.small + 2544 sizeof data.header.small + 2545 data.header.small.blk_desc_len); 2546 2547 arg->vol[0] = page->port[0].volume; 2548 arg->vol[1] = page->port[1].volume; 2549 arg->vol[2] = page->port[2].volume; 2550 arg->vol[3] = page->port[3].volume; 2551 2552 return (0); 2553} 2554 2555static int 2556cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2557{ 2558 struct { 2559 union { 2560 struct scsi_mode_parameter_header_6 small; 2561 struct scsi_mode_parameter_header_10 big; 2562 } header; 2563 struct cd_audio_page page; 2564 } data, mask; 2565 int error; 2566 int big, byte2; 2567 struct cd_audio_page *page, *page2; 2568 2569 byte2 = SMS_DBD; 2570try_again: 2571 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2572 AUDIO_PAGE, flags, &big)) != 0) { 2573 if (byte2 == SMS_DBD) { 2574 /* Device may not understand DBD; retry without */ 2575 byte2 = 0; 2576 goto try_again; 2577 } 2578 return (error); 2579 } 2580 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2581 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2582 return (error); 2583 2584 if (big) { 2585 page = (void *)((u_long)&data.header.big + 2586 sizeof data.header.big + 2587 _2btol(data.header.big.blk_desc_len)); 2588 page2 = (void *)((u_long)&mask.header.big + 2589 sizeof mask.header.big + 2590 _2btol(mask.header.big.blk_desc_len)); 2591 } else { 2592 page = (void *)((u_long)&data.header.small + 2593 sizeof data.header.small + 2594 data.header.small.blk_desc_len); 2595 page2 = (void *)((u_long)&mask.header.small + 2596 sizeof mask.header.small + 2597 mask.header.small.blk_desc_len); 2598 } 2599 2600 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2601 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2602 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2603 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2604 2605 page->port[0].channels = CHANNEL_0; 2606 page->port[1].channels = CHANNEL_1; 2607 2608 return (cd_mode_select(cd, SMS_PF, &data, 2609 sizeof(struct scsi_mode_page_header) + page->pg_length, 2610 flags, big)); 2611} 2612 2613static int 2614cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2615{ 2616 struct scsipi_load_unload cmd; 2617 2618 memset(&cmd, 0, sizeof(cmd)); 2619 cmd.opcode = LOAD_UNLOAD; 2620 cmd.options = args->options; /* ioctl uses MMC values */ 2621 cmd.slot = args->slot; 2622 2623 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2624 CDRETRIES, 200000, NULL, 0)); 2625} 2626 2627static int 2628cd_setblksize(struct cd_softc *cd) 2629{ 2630 struct { 2631 union { 2632 struct scsi_mode_parameter_header_6 small; 2633 struct scsi_mode_parameter_header_10 big; 2634 } header; 2635 struct scsi_general_block_descriptor blk_desc; 2636 } data; 2637 int error; 2638 int big, bsize; 2639 struct scsi_general_block_descriptor *bdesc; 2640 2641 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2642 &big)) != 0) 2643 return (error); 2644 2645 if (big) { 2646 bdesc = (void *)(&data.header.big + 1); 2647 bsize = _2btol(data.header.big.blk_desc_len); 2648 } else { 2649 bdesc = (void *)(&data.header.small + 1); 2650 bsize = data.header.small.blk_desc_len; 2651 } 2652 2653 if (bsize == 0) { 2654printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2655 return (EINVAL); 2656 } 2657 if (_3btol(bdesc->blklen) == 2048) { 2658printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2659 return (EINVAL); 2660 } 2661 2662 _lto3b(2048, bdesc->blklen); 2663 2664 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2665 big)); 2666} 2667 2668 2669static int 2670mmc_profile2class(uint16_t mmc_profile) 2671{ 2672 switch (mmc_profile) { 2673 case 0x01 : /* SCSI discs */ 2674 case 0x02 : 2675 /* this can't happen really, cd.c wouldn't have matched */ 2676 return MMC_CLASS_DISC; 2677 case 0x03 : /* Magneto Optical with sector erase */ 2678 case 0x04 : /* Magneto Optical write once */ 2679 case 0x05 : /* Advance Storage Magneto Optical */ 2680 return MMC_CLASS_MO; 2681 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2682 case 0x08 : /* CD-ROM */ 2683 case 0x09 : /* CD-R */ 2684 case 0x0a : /* CD-RW */ 2685 return MMC_CLASS_CD; 2686 case 0x10 : /* DVD-ROM */ 2687 case 0x11 : /* DVD-R */ 2688 case 0x12 : /* DVD-RAM */ 2689 case 0x13 : /* DVD-RW restricted overwrite */ 2690 case 0x14 : /* DVD-RW sequential */ 2691 case 0x1a : /* DVD+RW */ 2692 case 0x1b : /* DVD+R */ 2693 case 0x2a : /* DVD+RW Dual layer */ 2694 case 0x2b : /* DVD+R Dual layer */ 2695 case 0x50 : /* HD DVD-ROM */ 2696 case 0x51 : /* HD DVD-R */ 2697 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2698 return MMC_CLASS_DVD; 2699 case 0x40 : /* BD-ROM */ 2700 case 0x41 : /* BD-R Sequential recording (SRM) */ 2701 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2702 case 0x43 : /* BD-RE */ 2703 return MMC_CLASS_BD; 2704 } 2705 return MMC_CLASS_UNKN; 2706} 2707 2708 2709/* 2710 * Drive/media combination is reflected in a series of features that can 2711 * either be current or dormant. We try to make sense out of them to create a 2712 * set of easy to use flags that abstract the device/media capabilities. 2713 */ 2714 2715static void 2716mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2717 uint16_t feature, int cur, uint8_t *rpos) 2718{ 2719 uint32_t blockingnr; 2720 uint64_t flags; 2721 2722 if (cur == 1) { 2723 flags = mmc_discinfo->mmc_cur; 2724 } else { 2725 flags = mmc_discinfo->mmc_cap; 2726 } 2727 2728 switch (feature) { 2729 case 0x0010 : /* random readable feature */ 2730 blockingnr = rpos[5] | (rpos[4] << 8); 2731 if (blockingnr > 1) 2732 flags |= MMC_CAP_PACKET; 2733 2734 /* RW error page */ 2735 break; 2736 case 0x0020 : /* random writable feature */ 2737 flags |= MMC_CAP_RECORDABLE; 2738 flags |= MMC_CAP_REWRITABLE; 2739 blockingnr = rpos[9] | (rpos[8] << 8); 2740 if (blockingnr > 1) 2741 flags |= MMC_CAP_PACKET; 2742 break; 2743 case 0x0021 : /* incremental streaming write feature */ 2744 flags |= MMC_CAP_RECORDABLE; 2745 flags |= MMC_CAP_SEQUENTIAL; 2746 if (cur) 2747 mmc_discinfo->link_block_penalty = rpos[4]; 2748 if (rpos[2] & 1) 2749 flags |= MMC_CAP_ZEROLINKBLK; 2750 break; 2751 case 0x0022 : /* (obsolete) erase support feature */ 2752 flags |= MMC_CAP_RECORDABLE; 2753 flags |= MMC_CAP_ERASABLE; 2754 break; 2755 case 0x0023 : /* formatting media support feature */ 2756 flags |= MMC_CAP_RECORDABLE; 2757 flags |= MMC_CAP_FORMATTABLE; 2758 break; 2759 case 0x0024 : /* hardware assised defect management feature */ 2760 flags |= MMC_CAP_HW_DEFECTFREE; 2761 break; 2762 case 0x0025 : /* write once */ 2763 flags |= MMC_CAP_RECORDABLE; 2764 break; 2765 case 0x0026 : /* restricted overwrite feature */ 2766 flags |= MMC_CAP_RECORDABLE; 2767 flags |= MMC_CAP_REWRITABLE; 2768 flags |= MMC_CAP_STRICTOVERWRITE; 2769 break; 2770 case 0x0028 : /* MRW formatted media support feature */ 2771 flags |= MMC_CAP_MRW; 2772 break; 2773 case 0x002b : /* DVD+R read (and opt. write) support */ 2774 flags |= MMC_CAP_SEQUENTIAL; 2775 if (rpos[0] & 1) /* write support */ 2776 flags |= MMC_CAP_RECORDABLE; 2777 break; 2778 case 0x002c : /* rigid restricted overwrite feature */ 2779 flags |= MMC_CAP_RECORDABLE; 2780 flags |= MMC_CAP_REWRITABLE; 2781 flags |= MMC_CAP_STRICTOVERWRITE; 2782 if (rpos[0] & 1) /* blank bit */ 2783 flags |= MMC_CAP_BLANKABLE; 2784 break; 2785 case 0x002d : /* track at once recording feature */ 2786 flags |= MMC_CAP_RECORDABLE; 2787 flags |= MMC_CAP_SEQUENTIAL; 2788 break; 2789 case 0x002f : /* DVD-R/-RW write feature */ 2790 flags |= MMC_CAP_RECORDABLE; 2791 if (rpos[0] & 2) /* DVD-RW bit */ 2792 flags |= MMC_CAP_BLANKABLE; 2793 break; 2794 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2795 flags |= MMC_CAP_PSEUDOOVERWRITE; 2796 break; 2797 default : 2798 /* ignore */ 2799 break; 2800 } 2801 2802 if (cur == 1) { 2803 mmc_discinfo->mmc_cur = flags; 2804 } else { 2805 mmc_discinfo->mmc_cap = flags; 2806 } 2807} 2808 2809static int 2810mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2811 struct mmc_discinfo *mmc_discinfo) 2812{ 2813 struct scsipi_read_toc gtoc_cmd; 2814 struct scsipi_toc_header *toc_hdr; 2815 struct scsipi_toc_msinfo *toc_msinfo; 2816 const uint32_t buffer_size = 1024; 2817 uint32_t req_size; 2818 uint8_t *buffer; 2819 int error, flags; 2820 2821 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2822 /* 2823 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2824 * care' but others might be of interest to programs. 2825 */ 2826 2827 mmc_discinfo->disc_state = MMC_STATE_FULL; 2828 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2829 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2830 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2831 2832 /* get number of sessions and first tracknr in last session */ 2833 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2834 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2835 gtoc_cmd.opcode = READ_TOC; 2836 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2837 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2838 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2839 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2840 _lto2b(req_size, gtoc_cmd.data_len); 2841 2842 error = scsipi_command(periph, 2843 (void *)>oc_cmd, sizeof(gtoc_cmd), 2844 (void *)buffer, req_size, 2845 CDRETRIES, 30000, NULL, flags); 2846 if (error) 2847 goto out; 2848 toc_hdr = (struct scsipi_toc_header *) buffer; 2849 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2850 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2851 mmc_discinfo->first_track = toc_hdr->first; 2852 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2853 2854 /* get last track of last session */ 2855 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2856 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2857 req_size = sizeof(*toc_hdr); 2858 _lto2b(req_size, gtoc_cmd.data_len); 2859 2860 error = scsipi_command(periph, 2861 (void *)>oc_cmd, sizeof(gtoc_cmd), 2862 (void *)buffer, req_size, 2863 CDRETRIES, 30000, NULL, flags); 2864 if (error) 2865 goto out; 2866 toc_hdr = (struct scsipi_toc_header *) buffer; 2867 mmc_discinfo->last_track_last_session = toc_hdr->last; 2868 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2869 2870 /* TODO how to handle disc_barcode and disc_id */ 2871 /* done */ 2872 2873out: 2874 free(buffer, M_TEMP); 2875 return error; 2876} 2877 2878static int 2879mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2880 struct mmc_discinfo *mmc_discinfo) 2881{ 2882 struct scsipi_read_toc gtoc_cmd; 2883 struct scsipi_toc_header toc_hdr; 2884 uint32_t req_size; 2885 int error, flags; 2886 2887 /* 2888 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2889 * care' but others might be of interest to programs. 2890 */ 2891 2892 mmc_discinfo->disc_state = MMC_STATE_FULL; 2893 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2894 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2895 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2896 2897 /* get number of sessions and first tracknr in last session */ 2898 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2899 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2900 gtoc_cmd.opcode = READ_TOC; 2901 gtoc_cmd.addr_mode = 0; /* LBA */ 2902 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2903 gtoc_cmd.from_track = 1; /* first track */ 2904 req_size = sizeof(toc_hdr); 2905 _lto2b(req_size, gtoc_cmd.data_len); 2906 2907 error = scsipi_command(periph, 2908 (void *)>oc_cmd, sizeof(gtoc_cmd), 2909 (void *)&toc_hdr, req_size, 2910 CDRETRIES, 30000, NULL, flags); 2911 if (error) 2912 return error; 2913 2914 /* DVD-ROM squashes the track/session space */ 2915 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2916 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2917 mmc_discinfo->first_track = toc_hdr.first; 2918 mmc_discinfo->first_track_last_session = toc_hdr.last; 2919 mmc_discinfo->last_track_last_session = toc_hdr.last; 2920 2921 /* TODO how to handle disc_barcode and disc_id */ 2922 /* done */ 2923 return 0; 2924} 2925 2926static int 2927mmc_getdiscinfo(struct scsipi_periph *periph, 2928 struct mmc_discinfo *mmc_discinfo) 2929{ 2930 struct scsipi_get_configuration gc_cmd; 2931 struct scsipi_get_conf_data *gc; 2932 struct scsipi_get_conf_feature *gcf; 2933 struct scsipi_read_discinfo di_cmd; 2934 struct scsipi_read_discinfo_data di; 2935 const uint32_t buffer_size = 1024; 2936 uint32_t feat_tbl_len, pos; 2937 u_long last_lba; 2938 uint8_t *buffer, *fpos; 2939 int feature, last_feature, features_len, feature_cur, feature_len; 2940 int lsb, msb, error, flags; 2941 2942 feat_tbl_len = buffer_size; 2943 2944 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2945 2946 /* initialise structure */ 2947 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2948 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2949 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2950 mmc_discinfo->mmc_cur = 0; 2951 mmc_discinfo->mmc_cap = 0; 2952 mmc_discinfo->link_block_penalty = 0; 2953 2954 /* determine mmc profile and class */ 2955 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2956 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2957 gc_cmd.opcode = GET_CONFIGURATION; 2958 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2959 2960 gc = (struct scsipi_get_conf_data *) buffer; 2961 2962 error = scsipi_command(periph, 2963 (void *)&gc_cmd, sizeof(gc_cmd), 2964 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2965 CDRETRIES, 30000, NULL, flags); 2966 if (error) 2967 goto out; 2968 2969 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2970 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2971 2972 /* assume 2048 sector size unless told otherwise */ 2973 mmc_discinfo->sector_size = 2048; 2974 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2975 if (error) 2976 goto out; 2977 2978 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2979 2980 /* Read in all features to determine device capabilities */ 2981 last_feature = feature = 0; 2982 do { 2983 /* determine mmc profile and class */ 2984 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2985 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2986 gc_cmd.opcode = GET_CONFIGURATION; 2987 _lto2b(last_feature, gc_cmd.start_at_feature); 2988 _lto2b(feat_tbl_len, gc_cmd.data_len); 2989 2990 error = scsipi_command(periph, 2991 (void *)&gc_cmd, sizeof(gc_cmd), 2992 (void *) gc, feat_tbl_len, 2993 CDRETRIES, 30000, NULL, flags); 2994 if (error) { 2995 /* ieeek... break out of loop... i dunno what to do */ 2996 break; 2997 } 2998 2999 features_len = _4btol(gc->data_len); 3000 3001 pos = 0; 3002 fpos = &gc->feature_desc[0]; 3003 while (pos < features_len - 4) { 3004 gcf = (struct scsipi_get_conf_feature *) fpos; 3005 3006 feature = _2btol(gcf->featurecode); 3007 feature_cur = gcf->flags & 1; 3008 feature_len = gcf->additional_length; 3009 3010 mmc_process_feature(mmc_discinfo, 3011 feature, feature_cur, 3012 gcf->feature_dependent); 3013 3014 last_feature = MAX(last_feature, feature); 3015#ifdef DIAGNOSTIC 3016 /* assert((feature_len & 3) == 0); */ 3017 if ((feature_len & 3) != 0) { 3018 printf("feature %d having length %d\n", 3019 feature, feature_len); 3020 } 3021#endif 3022 3023 pos += 4 + feature_len; 3024 fpos += 4 + feature_len; 3025 } 3026 /* unlikely to ever grow past our 1kb buffer */ 3027 } while (features_len >= 0xffff); 3028 3029#ifdef DEBUG 3030 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3031 mmc_discinfo->mmc_profile, 3032 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3033#endif 3034 3035 /* read in disc state and number of sessions and tracks */ 3036 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3037 memset(&di_cmd, 0, sizeof(di_cmd)); 3038 di_cmd.opcode = READ_DISCINFO; 3039 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3040 3041 error = scsipi_command(periph, 3042 (void *)&di_cmd, sizeof(di_cmd), 3043 (void *)&di, READ_DISCINFO_BIGSIZE, 3044 CDRETRIES, 30000, NULL, flags); 3045 3046 if (error) { 3047 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3048 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3049 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3050 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3051 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3052 /* CD/DVD drive is violating specs */ 3053 error = EIO; 3054 goto out; 3055 } 3056 3057 /* call went OK */ 3058 mmc_discinfo->disc_state = di.disc_state & 3; 3059 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3060 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3061 3062 lsb = di.num_sessions_lsb; 3063 msb = di.num_sessions_msb; 3064 mmc_discinfo->num_sessions = lsb | (msb << 8); 3065 3066 mmc_discinfo->first_track = di.first_track; 3067 lsb = di.first_track_last_session_lsb; 3068 msb = di.first_track_last_session_msb; 3069 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3070 lsb = di.last_track_last_session_lsb; 3071 msb = di.last_track_last_session_msb; 3072 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3073 3074 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3075 mmc_discinfo->first_track + 1; 3076 3077 /* set misc. flags and parameters from this disc info */ 3078 if (di.disc_state & 16) 3079 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3080 3081 if (di.disc_state2 & 128) { 3082 mmc_discinfo->disc_id = _4btol(di.discid); 3083 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3084 } 3085 if (di.disc_state2 & 64) { 3086 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3087 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3088 } 3089 if (di.disc_state2 & 32) 3090 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3091 3092 if (di.disc_state2 & 16) { 3093 mmc_discinfo->application_code = di.application_code; 3094 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3095 } 3096 3097 /* done */ 3098 3099out: 3100 free(buffer, M_TEMP); 3101 return error; 3102} 3103 3104static int 3105mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3106 struct mmc_trackinfo *trackinfo) 3107{ 3108 struct scsipi_read_toc gtoc_cmd; 3109 struct scsipi_toc_header *toc_hdr; 3110 struct scsipi_toc_rawtoc *rawtoc; 3111 uint32_t track_start, track_end, track_size; 3112 uint32_t last_recorded, next_writable; 3113 uint32_t lba, next_track_start, lead_out; 3114 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3115 uint8_t *buffer; 3116 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3117 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3118 int size, req_size; 3119 int error, flags; 3120 3121 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3122 3123 /* 3124 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3125 * 3126 * Not all information is present and this presents a problem. Track 3127 * starts are known for each track but other values are deducted. 3128 * 3129 * For a complete overview of `magic' values used here, see the 3130 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3131 * names, they are specified as numbers. 3132 */ 3133 3134 /* get raw toc to process, first header to check size */ 3135 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3136 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3137 gtoc_cmd.opcode = READ_TOC; 3138 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3139 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3140 gtoc_cmd.from_track = 1; /* first session */ 3141 req_size = sizeof(*toc_hdr); 3142 _lto2b(req_size, gtoc_cmd.data_len); 3143 3144 error = scsipi_command(periph, 3145 (void *)>oc_cmd, sizeof(gtoc_cmd), 3146 (void *)buffer, req_size, 3147 CDRETRIES, 30000, NULL, flags); 3148 if (error) 3149 goto out; 3150 toc_hdr = (struct scsipi_toc_header *) buffer; 3151 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3152#ifdef DIAGNOSTIC 3153 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3154#endif 3155 error = ENOBUFS; 3156 goto out; 3157 } 3158 3159 /* read in complete raw toc */ 3160 req_size = _2btol(toc_hdr->length); 3161 _lto2b(req_size, gtoc_cmd.data_len); 3162 3163 error = scsipi_command(periph, 3164 (void *)>oc_cmd, sizeof(gtoc_cmd), 3165 (void *)buffer, req_size, 3166 CDRETRIES, 30000, NULL, flags); 3167 if (error) 3168 goto out; 3169 3170 toc_hdr = (struct scsipi_toc_header *) buffer; 3171 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3172 3173 track_start = 0; 3174 track_end = 0; 3175 track_size = 0; 3176 last_recorded = 0; 3177 next_writable = 0; 3178 flags = 0; 3179 3180 last_tracknr = 1; 3181 next_track_start = 0; 3182 track_sessionnr = MAXTRACK; /* by definition */ 3183 lead_out = 0; 3184 3185 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3186 while (size > 0) { 3187 /* get track start and session end */ 3188 tno = rawtoc->tno; 3189 sessionnr = rawtoc->sessionnr; 3190 adr = rawtoc->adrcontrol >> 4; 3191 point = rawtoc->point; 3192 tmin = rawtoc->min; 3193 tsec = rawtoc->sec; 3194 tframe = rawtoc->frame; 3195 pmin = rawtoc->pmin; 3196 psec = rawtoc->psec; 3197 pframe = rawtoc->pframe; 3198 3199 if (tno == 0 && sessionnr && adr == 1) { 3200 lba = hmsf2lba(0, pmin, psec, pframe); 3201 if (point == trackinfo->tracknr) { 3202 track_start = lba; 3203 track_sessionnr = sessionnr; 3204 } 3205 if (point == trackinfo->tracknr + 1) { 3206 /* estimate size */ 3207 track_size = lba - track_start; 3208 next_track_start = lba; 3209 } 3210 if (point == 0xa2) { 3211 lead_out = lba; 3212 } 3213 if (point <= 0x63) { 3214 /* CD's ok, DVD are glued */ 3215 last_tracknr = point; 3216 } 3217 if (sessionnr == track_sessionnr) { 3218 last_recorded = lead_out; 3219 } 3220 } 3221 if (tno == 0 && sessionnr && adr == 5) { 3222 lba = hmsf2lba(0, tmin, tsec, tframe); 3223 if (sessionnr == track_sessionnr) { 3224 next_writable = lba; 3225 } 3226 } 3227 3228 rawtoc++; 3229 size -= sizeof(struct scsipi_toc_rawtoc); 3230 } 3231 3232 /* process found values; some voodoo */ 3233 /* if no tracksize tracknr is the last of the disc */ 3234 if ((track_size == 0) && last_recorded) { 3235 track_size = last_recorded - track_start; 3236 } 3237 /* if last_recorded < tracksize, tracksize is overestimated */ 3238 if (last_recorded) { 3239 if (last_recorded - track_start <= track_size) { 3240 track_size = last_recorded - track_start; 3241 flags |= MMC_TRACKINFO_LRA_VALID; 3242 } 3243 } 3244 /* check if its a the last track of the sector */ 3245 if (next_writable) { 3246 if (next_track_start > next_writable) 3247 flags |= MMC_TRACKINFO_NWA_VALID; 3248 } 3249 3250 /* no flag set -> no values */ 3251 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3252 last_recorded = 0; 3253 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3254 next_writable = 0; 3255 3256 /* fill in */ 3257 /* trackinfo->tracknr preserved */ 3258 trackinfo->sessionnr = track_sessionnr; 3259 trackinfo->track_mode = 7; /* data, incremental */ 3260 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3261 3262 trackinfo->flags = flags; 3263 trackinfo->track_start = track_start; 3264 trackinfo->next_writable = next_writable; 3265 trackinfo->free_blocks = 0; 3266 trackinfo->packet_size = 1; 3267 trackinfo->track_size = track_size; 3268 trackinfo->last_recorded = last_recorded; 3269 3270out: 3271 free(buffer, M_TEMP); 3272 return error; 3273 3274} 3275 3276static int 3277mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3278 struct mmc_trackinfo *trackinfo) 3279{ 3280 struct scsipi_read_toc gtoc_cmd; 3281 struct scsipi_toc_header *toc_hdr; 3282 struct scsipi_toc_formatted *toc; 3283 uint32_t tracknr, track_start, track_size; 3284 uint32_t lba, lead_out; 3285 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3286 uint8_t *buffer; 3287 uint8_t last_tracknr; 3288 int size, req_size; 3289 int error, flags; 3290 3291 3292 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3293 /* 3294 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3295 * CD-ROM emulation uses since the specification tells us that no such 3296 * thing is defined for DVD's. The reason for this is due to the large 3297 * number of tracks and that would clash with the `magic' values. This 3298 * suxs. 3299 * 3300 * Not all information is present and this presents a problem. 3301 * Track starts are known for each track but other values are 3302 * deducted. 3303 */ 3304 3305 /* get formatted toc to process, first header to check size */ 3306 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3307 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3308 gtoc_cmd.opcode = READ_TOC; 3309 gtoc_cmd.addr_mode = 0; /* lba's please */ 3310 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3311 gtoc_cmd.from_track = 1; /* first track */ 3312 req_size = sizeof(*toc_hdr); 3313 _lto2b(req_size, gtoc_cmd.data_len); 3314 3315 error = scsipi_command(periph, 3316 (void *)>oc_cmd, sizeof(gtoc_cmd), 3317 (void *)buffer, req_size, 3318 CDRETRIES, 30000, NULL, flags); 3319 if (error) 3320 goto out; 3321 toc_hdr = (struct scsipi_toc_header *) buffer; 3322 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3323#ifdef DIAGNOSTIC 3324 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3325#endif 3326 error = ENOBUFS; 3327 goto out; 3328 } 3329 3330 /* read in complete formatted toc */ 3331 req_size = _2btol(toc_hdr->length); 3332 _lto2b(req_size, gtoc_cmd.data_len); 3333 3334 error = scsipi_command(periph, 3335 (void *)>oc_cmd, sizeof(gtoc_cmd), 3336 (void *)buffer, req_size, 3337 CDRETRIES, 30000, NULL, flags); 3338 if (error) 3339 goto out; 3340 3341 toc_hdr = (struct scsipi_toc_header *) buffer; 3342 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3343 3344 /* as in read disc info, all sessions are converted to tracks */ 3345 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3346 /* last track -> we got the size from the lead-out */ 3347 3348 tracknr = 0; 3349 last_tracknr = toc_hdr->last; 3350 track_start = 0; 3351 track_size = 0; 3352 lead_out = 0; 3353 3354 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3355 while (size > 0) { 3356 /* remember, DVD-ROM: tracknr == sessionnr */ 3357 lba = _4btol(toc->msf_lba); 3358 tracknr = toc->tracknr; 3359 if (trackinfo->tracknr == tracknr) { 3360 track_start = lba; 3361 } 3362 if (trackinfo->tracknr == tracknr+1) { 3363 track_size = lba - track_start; 3364 track_size -= 16; /* link block ? */ 3365 } 3366 if (tracknr == 0xAA) { 3367 lead_out = lba; 3368 } 3369 toc++; 3370 size -= sizeof(struct scsipi_toc_formatted); 3371 } 3372 if (trackinfo->tracknr == last_tracknr) { 3373 track_size = lead_out - track_start; 3374 } 3375 3376 /* fill in */ 3377 /* trackinfo->tracknr preserved */ 3378 trackinfo->sessionnr = trackinfo->tracknr; 3379 trackinfo->track_mode = 0; /* unknown */ 3380 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3381 3382 trackinfo->flags = 0; 3383 trackinfo->track_start = track_start; 3384 trackinfo->next_writable = 0; 3385 trackinfo->free_blocks = 0; 3386 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3387 trackinfo->track_size = track_size; 3388 trackinfo->last_recorded = 0; 3389 3390out: 3391 free(buffer, M_TEMP); 3392 return error; 3393} 3394 3395static int 3396mmc_gettrackinfo(struct scsipi_periph *periph, 3397 struct mmc_trackinfo *trackinfo) 3398{ 3399 struct scsipi_read_trackinfo ti_cmd; 3400 struct scsipi_read_trackinfo_data ti; 3401 struct scsipi_get_configuration gc_cmd; 3402 struct scsipi_get_conf_data gc; 3403 int error, flags; 3404 int mmc_profile; 3405 3406 /* set up SCSI call with track number from trackinfo.tracknr */ 3407 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3408 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3409 ti_cmd.opcode = READ_TRACKINFO; 3410 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3411 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3412 3413 /* trackinfo.tracknr contains number of tracks to query */ 3414 _lto4b(trackinfo->tracknr, ti_cmd.address); 3415 error = scsipi_command(periph, 3416 (void *)&ti_cmd, sizeof(ti_cmd), 3417 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3418 CDRETRIES, 30000, NULL, flags); 3419 3420 if (error) { 3421 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3422 /* first determine mmc profile */ 3423 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3424 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3425 gc_cmd.opcode = GET_CONFIGURATION; 3426 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3427 3428 error = scsipi_command(periph, 3429 (void *)&gc_cmd, sizeof(gc_cmd), 3430 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3431 CDRETRIES, 30000, NULL, flags); 3432 if (error) 3433 return error; 3434 mmc_profile = _2btol(gc.mmc_profile); 3435 3436 /* choose emulation */ 3437 if (mmc_profile == 0x08) /* CD-ROM */ 3438 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3439 if (mmc_profile == 0x10) /* DVD-ROM */ 3440 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3441 /* CD/DVD drive is violating specs */ 3442 return EIO; 3443 } 3444 3445 /* (re)initialise structure */ 3446 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3447 3448 /* account for short returns screwing up track and session msb */ 3449 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3450 ti.track_msb = 0; 3451 ti.session_msb = 0; 3452 } 3453 3454 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3455 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3456 trackinfo->track_mode = ti.track_info_1 & 0xf; 3457 trackinfo->data_mode = ti.track_info_2 & 0xf; 3458 3459 flags = 0; 3460 if (ti.track_info_1 & 0x10) 3461 flags |= MMC_TRACKINFO_COPY; 3462 if (ti.track_info_1 & 0x20) 3463 flags |= MMC_TRACKINFO_DAMAGED; 3464 if (ti.track_info_2 & 0x10) 3465 flags |= MMC_TRACKINFO_FIXED_PACKET; 3466 if (ti.track_info_2 & 0x20) 3467 flags |= MMC_TRACKINFO_INCREMENTAL; 3468 if (ti.track_info_2 & 0x40) 3469 flags |= MMC_TRACKINFO_BLANK; 3470 if (ti.track_info_2 & 0x80) 3471 flags |= MMC_TRACKINFO_RESERVED; 3472 if (ti.data_valid & 0x01) 3473 flags |= MMC_TRACKINFO_NWA_VALID; 3474 if (ti.data_valid & 0x02) 3475 flags |= MMC_TRACKINFO_LRA_VALID; 3476 3477 trackinfo->flags = flags; 3478 trackinfo->track_start = _4btol(ti.track_start); 3479 trackinfo->next_writable = _4btol(ti.next_writable); 3480 trackinfo->free_blocks = _4btol(ti.free_blocks); 3481 trackinfo->packet_size = _4btol(ti.packet_size); 3482 trackinfo->track_size = _4btol(ti.track_size); 3483 trackinfo->last_recorded = _4btol(ti.last_recorded); 3484 3485 return 0; 3486} 3487