1 /* $NetBSD: cd.c,v 1.316 2013/10/25 11:35:55 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005, 2008 The NetBSD Foundation, 5 * Inc. All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC framework implemented and contributed to the NetBSD Foundation by 11 * Reinoud Zandijk. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Originally written by Julian Elischer (julian@tfs.com) 37 * for TRW Financial Systems for use under the MACH(2.5) operating system. 38 * 39 * TRW Financial Systems, in accordance with their agreement with Carnegie 40 * Mellon University, makes this software available to CMU to distribute 41 * or use in any manner that they see fit as long as this message is kept with 42 * the software. For this reason TFS also grants any other persons or 43 * organisations permission to use or modify this software. 44 * 45 * TFS supplies this software to be publicly redistributed 46 * on the understanding that TFS is not responsible for the correct 47 * functioning of this software in any circumstances. 48 * 49 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.316 2013/10/25 11:35:55 martin Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/file.h> 59 #include <sys/stat.h> 60 #include <sys/ioctl.h> 61 #include <sys/buf.h> 62 #include <sys/bufq.h> 63 #include <sys/uio.h> 64 #include <sys/malloc.h> 65 #include <sys/errno.h> 66 #include <sys/device.h> 67 #include <sys/disklabel.h> 68 #include <sys/disk.h> 69 #include <sys/cdio.h> 70 #include <sys/dvdio.h> 71 #include <sys/scsiio.h> 72 #include <sys/proc.h> 73 #include <sys/conf.h> 74 #include <sys/vnode.h> 75 #include <sys/rnd.h> 76 77 #include <dev/scsipi/scsi_spc.h> 78 #include <dev/scsipi/scsipi_all.h> 79 #include <dev/scsipi/scsipi_cd.h> 80 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 81 #include <dev/scsipi/scsi_all.h> 82 /* from there */ 83 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 84 #include <dev/scsipi/scsipiconf.h> 85 #include <dev/scsipi/scsipi_base.h> 86 #include <dev/scsipi/cdvar.h> 87 88 #include <prop/proplib.h> 89 90 #define CDUNIT(z) DISKUNIT(z) 91 #define CDPART(z) DISKPART(z) 92 #define CDMINOR(unit, part) DISKMINOR(unit, part) 93 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 94 95 #define MAXTRACK 99 96 #define CD_BLOCK_OFFSET 150 97 #define CD_FRAMES 75 98 #define CD_SECS 60 99 100 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 101 #define CD_TOC_MSINFO 1 /* multi-session info */ 102 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 103 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 104 #define CD_TOC_ATIP 4 /* pressed space of recordable */ 105 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 106 107 #define P5LEN 0x32 108 #define MS5LEN (P5LEN + 8 + 2) 109 110 struct cd_formatted_toc { 111 struct ioc_toc_header header; 112 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 113 /* leadout */ 114 }; 115 116 struct cdbounce { 117 struct buf *obp; /* original buf */ 118 int doff; /* byte offset in orig. buf */ 119 int soff; /* byte offset in bounce buf */ 120 int resid; /* residual i/o in orig. buf */ 121 int bcount; /* actual obp bytes in bounce */ 122 }; 123 124 static void cdstart(struct scsipi_periph *); 125 static void cdrestart(void *); 126 static void cdminphys(struct buf *); 127 static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 128 struct disklabel *); 129 static void cdgetdisklabel(struct cd_softc *); 130 static void cddone(struct scsipi_xfer *, int); 131 static void cdbounce(struct buf *); 132 static int cd_interpret_sense(struct scsipi_xfer *); 133 static u_long cd_size(struct cd_softc *, int); 134 static int cd_play(struct cd_softc *, int, int); 135 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 136 int, int, int, int); 137 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 138 static int cd_pause(struct cd_softc *, int); 139 static int cd_reset(struct cd_softc *); 140 static int cd_read_subchannel(struct cd_softc *, int, int, int, 141 struct cd_sub_channel_info *, int, int); 142 static int cd_read_toc(struct cd_softc *, int, int, int, 143 struct cd_formatted_toc *, int, int, int); 144 static int cd_get_parms(struct cd_softc *, int); 145 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 146 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 147 static int cdcachesync(struct scsipi_periph *periph, int flags); 148 149 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 150 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 151 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 152 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 153 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 154 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 155 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 156 157 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 158 int, int *); 159 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 160 int, int); 161 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 162 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 163 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 164 static int cd_set_pa_immed(struct cd_softc *, int); 165 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 166 static int cd_setblksize(struct cd_softc *); 167 168 static int cdmatch(device_t, cfdata_t, void *); 169 static void cdattach(device_t, device_t, void *); 170 static int cddetach(device_t, int); 171 172 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 173 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 174 static int mmc_do_op(struct scsipi_periph *, struct mmc_op *); 175 static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *); 176 177 static void cd_set_geometry(struct cd_softc *); 178 179 CFATTACH_DECL3_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 180 NULL, NULL, NULL, DVF_DETACH_SHUTDOWN); 181 182 extern struct cfdriver cd_cd; 183 184 static const struct scsipi_inquiry_pattern cd_patterns[] = { 185 {T_CDROM, T_REMOV, 186 "", "", ""}, 187 {T_WORM, T_REMOV, 188 "", "", ""}, 189 #if 0 190 {T_CDROM, T_REMOV, /* more luns */ 191 "PIONEER ", "CD-ROM DRM-600 ", ""}, 192 #endif 193 {T_DIRECT, T_REMOV, 194 "NEC CD-ROM DRIVE:260", "", ""}, 195 }; 196 197 static dev_type_open(cdopen); 198 static dev_type_close(cdclose); 199 static dev_type_read(cdread); 200 static dev_type_write(cdwrite); 201 static dev_type_ioctl(cdioctl); 202 static dev_type_strategy(cdstrategy); 203 static dev_type_dump(cddump); 204 static dev_type_size(cdsize); 205 206 const struct bdevsw cd_bdevsw = { 207 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 208 }; 209 210 const struct cdevsw cd_cdevsw = { 211 cdopen, cdclose, cdread, cdwrite, cdioctl, 212 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 213 }; 214 215 static struct dkdriver cddkdriver = { cdstrategy, NULL }; 216 217 static const struct scsipi_periphsw cd_switch = { 218 cd_interpret_sense, /* use our error handler first */ 219 cdstart, /* we have a queue, which is started by this */ 220 NULL, /* we do not have an async handler */ 221 cddone, /* deal with stats at interrupt time */ 222 }; 223 224 /* 225 * The routine called by the low level scsi routine when it discovers 226 * A device suitable for this driver 227 */ 228 static int 229 cdmatch(device_t parent, cfdata_t match, void *aux) 230 { 231 struct scsipibus_attach_args *sa = aux; 232 int priority; 233 234 (void)scsipi_inqmatch(&sa->sa_inqbuf, 235 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 236 sizeof(cd_patterns[0]), &priority); 237 238 return (priority); 239 } 240 241 static void 242 cdattach(device_t parent, device_t self, void *aux) 243 { 244 struct cd_softc *cd = device_private(self); 245 struct scsipibus_attach_args *sa = aux; 246 struct scsipi_periph *periph = sa->sa_periph; 247 248 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 249 250 cd->sc_dev = self; 251 252 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 253 254 if (SCSIPI_BUSTYPE_TYPE(scsipi_periph_bustype(sa->sa_periph)) == 255 SCSIPI_BUSTYPE_SCSI && periph->periph_version == 0) 256 cd->flags |= CDF_ANCIENT; 257 258 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 259 260 callout_init(&cd->sc_callout, 0); 261 262 /* 263 * Store information needed to contact our base driver 264 */ 265 cd->sc_periph = periph; 266 267 periph->periph_dev = cd->sc_dev; 268 periph->periph_switch = &cd_switch; 269 270 /* 271 * Increase our openings to the maximum-per-periph 272 * supported by the adapter. This will either be 273 * clamped down or grown by the adapter if necessary. 274 */ 275 periph->periph_openings = 276 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 277 periph->periph_flags |= PERIPH_GROW_OPENINGS; 278 279 /* 280 * Initialize and attach the disk structure. 281 */ 282 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver); 283 disk_attach(&cd->sc_dk); 284 285 aprint_normal("\n"); 286 aprint_naive("\n"); 287 288 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev), 289 RND_TYPE_DISK, 0); 290 291 if (!pmf_device_register(self, NULL, NULL)) 292 aprint_error_dev(self, "couldn't establish power handler\n"); 293 } 294 295 static int 296 cddetach(device_t self, int flags) 297 { 298 struct cd_softc *cd = device_private(self); 299 int s, bmaj, cmaj, i, mn; 300 301 /* locate the major number */ 302 bmaj = bdevsw_lookup_major(&cd_bdevsw); 303 cmaj = cdevsw_lookup_major(&cd_cdevsw); 304 /* Nuke the vnodes for any open instances */ 305 for (i = 0; i < MAXPARTITIONS; i++) { 306 mn = CDMINOR(device_unit(self), i); 307 vdevgone(bmaj, mn, mn, VBLK); 308 vdevgone(cmaj, mn, mn, VCHR); 309 } 310 311 /* kill any pending restart */ 312 callout_stop(&cd->sc_callout); 313 314 s = splbio(); 315 316 /* Kill off any queued buffers. */ 317 bufq_drain(cd->buf_queue); 318 319 bufq_free(cd->buf_queue); 320 321 /* Kill off any pending commands. */ 322 scsipi_kill_pending(cd->sc_periph); 323 324 splx(s); 325 326 mutex_destroy(&cd->sc_lock); 327 328 /* Detach from the disk list. */ 329 disk_detach(&cd->sc_dk); 330 disk_destroy(&cd->sc_dk); 331 332 /* Unhook the entropy source. */ 333 rnd_detach_source(&cd->rnd_source); 334 335 return (0); 336 } 337 338 /* 339 * open the device. Make sure the partition info is a up-to-date as can be. 340 */ 341 static int 342 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 343 { 344 struct cd_softc *cd; 345 struct scsipi_periph *periph; 346 struct scsipi_adapter *adapt; 347 int part; 348 int error; 349 int rawpart; 350 351 cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 352 if (cd == NULL) 353 return (ENXIO); 354 355 periph = cd->sc_periph; 356 adapt = periph->periph_channel->chan_adapter; 357 part = CDPART(dev); 358 359 SC_DEBUG(periph, SCSIPI_DB1, 360 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %"PRId32")\n",dev, 361 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev))); 362 363 /* 364 * If this is the first open of this device, add a reference 365 * to the adapter. 366 */ 367 if (cd->sc_dk.dk_openmask == 0 && 368 (error = scsipi_adapter_addref(adapt)) != 0) 369 return (error); 370 371 mutex_enter(&cd->sc_lock); 372 373 rawpart = (part == RAW_PART && fmt == S_IFCHR); 374 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 375 /* 376 * If any partition is open, but the disk has been invalidated, 377 * disallow further opens. 378 */ 379 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 380 !rawpart) { 381 error = EIO; 382 goto bad3; 383 } 384 } else { 385 /* Check that it is still responding and ok. */ 386 error = scsipi_test_unit_ready(periph, 387 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 388 XS_CTL_SILENT); 389 390 /* 391 * Start the pack spinning if necessary. Always allow the 392 * raw parition to be opened, for raw IOCTLs. Data transfers 393 * will check for SDEV_MEDIA_LOADED. 394 */ 395 if (error == EIO) { 396 int error2; 397 int silent; 398 399 if (rawpart) 400 silent = XS_CTL_SILENT; 401 else 402 silent = 0; 403 404 error2 = scsipi_start(periph, SSS_START, silent); 405 switch (error2) { 406 case 0: 407 error = 0; 408 break; 409 case EIO: 410 case EINVAL: 411 break; 412 default: 413 error = error2; 414 break; 415 } 416 } 417 if (error) { 418 if (rawpart) 419 goto out; 420 goto bad3; 421 } 422 423 periph->periph_flags |= PERIPH_OPEN; 424 425 /* Lock the pack in. */ 426 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 427 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 428 SC_DEBUG(periph, SCSIPI_DB1, 429 ("cdopen: scsipi_prevent, error=%d\n", error)); 430 if (error) { 431 if (rawpart) 432 goto out; 433 goto bad; 434 } 435 436 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 437 /* Load the physical device parameters. */ 438 if (cd_get_parms(cd, 0) != 0) { 439 if (rawpart) 440 goto out; 441 error = ENXIO; 442 goto bad; 443 } 444 periph->periph_flags |= PERIPH_MEDIA_LOADED; 445 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 446 447 /* Fabricate a disk label. */ 448 cdgetdisklabel(cd); 449 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 450 451 cd_set_geometry(cd); 452 } 453 } 454 455 /* Check that the partition exists. */ 456 if (part != RAW_PART && 457 (part >= cd->sc_dk.dk_label->d_npartitions || 458 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 459 error = ENXIO; 460 goto bad; 461 } 462 463 out: /* Insure only one open at a time. */ 464 switch (fmt) { 465 case S_IFCHR: 466 cd->sc_dk.dk_copenmask |= (1 << part); 467 break; 468 case S_IFBLK: 469 cd->sc_dk.dk_bopenmask |= (1 << part); 470 break; 471 } 472 cd->sc_dk.dk_openmask = 473 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 474 475 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 476 mutex_exit(&cd->sc_lock); 477 return (0); 478 479 bad: 480 if (cd->sc_dk.dk_openmask == 0) { 481 scsipi_prevent(periph, SPAMR_ALLOW, 482 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 483 periph->periph_flags &= ~PERIPH_OPEN; 484 } 485 486 bad3: 487 mutex_exit(&cd->sc_lock); 488 if (cd->sc_dk.dk_openmask == 0) 489 scsipi_adapter_delref(adapt); 490 return (error); 491 } 492 493 /* 494 * close the device.. only called if we are the LAST 495 * occurence of an open device 496 */ 497 static int 498 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 499 { 500 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 501 struct scsipi_periph *periph = cd->sc_periph; 502 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 503 int part = CDPART(dev); 504 int silent = 0; 505 506 if (part == RAW_PART && ((cd->sc_dk.dk_label->d_npartitions == 0) || 507 (part < cd->sc_dk.dk_label->d_npartitions && 508 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED))) 509 silent = XS_CTL_SILENT; 510 511 mutex_enter(&cd->sc_lock); 512 513 switch (fmt) { 514 case S_IFCHR: 515 cd->sc_dk.dk_copenmask &= ~(1 << part); 516 break; 517 case S_IFBLK: 518 cd->sc_dk.dk_bopenmask &= ~(1 << part); 519 break; 520 } 521 cd->sc_dk.dk_openmask = 522 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 523 524 if (cd->sc_dk.dk_openmask == 0) { 525 /* synchronise caches on last close */ 526 cdcachesync(periph, silent); 527 528 /* drain outstanding calls */ 529 scsipi_wait_drain(periph); 530 531 scsipi_prevent(periph, SPAMR_ALLOW, 532 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 533 XS_CTL_IGNORE_NOT_READY | silent); 534 periph->periph_flags &= ~PERIPH_OPEN; 535 536 scsipi_wait_drain(periph); 537 538 scsipi_adapter_delref(adapt); 539 } 540 541 mutex_exit(&cd->sc_lock); 542 return (0); 543 } 544 545 /* 546 * Actually translate the requested transfer into one the physical driver can 547 * understand. The transfer is described by a buf and will include only one 548 * physical transfer. 549 */ 550 static void 551 cdstrategy(struct buf *bp) 552 { 553 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 554 struct disklabel *lp; 555 struct scsipi_periph *periph = cd->sc_periph; 556 daddr_t blkno; 557 int s; 558 559 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 560 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 561 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 562 /* 563 * If the device has been made invalid, error out 564 * maybe the media changed 565 */ 566 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 567 if (periph->periph_flags & PERIPH_OPEN) 568 bp->b_error = EIO; 569 else 570 bp->b_error = ENODEV; 571 goto done; 572 } 573 574 lp = cd->sc_dk.dk_label; 575 576 /* 577 * The transfer must be a whole number of blocks, offset must not 578 * be negative. 579 */ 580 if ((bp->b_bcount % lp->d_secsize) != 0 || 581 bp->b_blkno < 0 ) { 582 bp->b_error = EINVAL; 583 goto done; 584 } 585 /* 586 * If it's a null transfer, return immediately 587 */ 588 if (bp->b_bcount == 0) 589 goto done; 590 591 /* 592 * Do bounds checking, adjust transfer. if error, process. 593 * If end of partition, just return. 594 */ 595 if (CDPART(bp->b_dev) == RAW_PART) { 596 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 597 cd->params.disksize512) <= 0) 598 goto done; 599 } else { 600 if (bounds_check_with_label(&cd->sc_dk, bp, 601 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 602 goto done; 603 } 604 605 /* 606 * Now convert the block number to absolute and put it in 607 * terms of the device's logical block size. 608 */ 609 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 610 if (CDPART(bp->b_dev) != RAW_PART) 611 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 612 613 bp->b_rawblkno = blkno; 614 615 /* 616 * If the disklabel sector size does not match the device 617 * sector size we may need to do some extra work. 618 */ 619 if (lp->d_secsize != cd->params.blksize) { 620 621 /* 622 * If the xfer is not a multiple of the device block size 623 * or it is not block aligned, we need to bounce it. 624 */ 625 if ((bp->b_bcount % cd->params.blksize) != 0 || 626 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 627 struct cdbounce *bounce; 628 struct buf *nbp; 629 long count; 630 631 if ((bp->b_flags & B_READ) == 0) { 632 633 /* XXXX We don't support bouncing writes. */ 634 bp->b_error = EACCES; 635 goto done; 636 } 637 638 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 639 if (!bounce) { 640 /* No memory -- fail the iop. */ 641 bp->b_error = ENOMEM; 642 goto done; 643 } 644 645 bounce->obp = bp; 646 bounce->resid = bp->b_bcount; 647 bounce->doff = 0; 648 count = ((blkno * lp->d_secsize) % cd->params.blksize); 649 bounce->soff = count; 650 count += bp->b_bcount; 651 count = roundup(count, cd->params.blksize); 652 bounce->bcount = bounce->resid; 653 if (count > MAXPHYS) { 654 bounce->bcount = MAXPHYS - bounce->soff; 655 count = MAXPHYS; 656 } 657 658 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 659 nbp = getiobuf(NULL, false); 660 if (!nbp) { 661 /* No memory -- fail the iop. */ 662 free(bounce, M_DEVBUF); 663 bp->b_error = ENOMEM; 664 goto done; 665 } 666 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 667 if (!nbp->b_data) { 668 /* No memory -- fail the iop. */ 669 free(bounce, M_DEVBUF); 670 putiobuf(nbp); 671 bp->b_error = ENOMEM; 672 goto done; 673 } 674 675 /* Set up the IOP to the bounce buffer. */ 676 nbp->b_error = 0; 677 nbp->b_proc = bp->b_proc; 678 nbp->b_bcount = count; 679 nbp->b_bufsize = count; 680 nbp->b_rawblkno = blkno; 681 nbp->b_flags = bp->b_flags | B_READ; 682 nbp->b_oflags = bp->b_oflags; 683 nbp->b_cflags = bp->b_cflags; 684 nbp->b_iodone = cdbounce; 685 686 /* store bounce state in b_private and use new buf */ 687 nbp->b_private = bounce; 688 689 BIO_COPYPRIO(nbp, bp); 690 691 bp = nbp; 692 693 } else { 694 /* Xfer is aligned -- just adjust the start block */ 695 bp->b_rawblkno = (blkno * lp->d_secsize) / 696 cd->params.blksize; 697 } 698 } 699 s = splbio(); 700 701 /* 702 * Place it in the queue of disk activities for this disk. 703 * 704 * XXX Only do disksort() if the current operating mode does not 705 * XXX include tagged queueing. 706 */ 707 bufq_put(cd->buf_queue, bp); 708 709 /* 710 * Tell the device to get going on the transfer if it's 711 * not doing anything, otherwise just wait for completion 712 */ 713 cdstart(cd->sc_periph); 714 715 splx(s); 716 return; 717 718 done: 719 /* 720 * Correctly set the buf to indicate a completed xfer 721 */ 722 bp->b_resid = bp->b_bcount; 723 biodone(bp); 724 } 725 726 /* 727 * cdstart looks to see if there is a buf waiting for the device 728 * and that the device is not already busy. If both are true, 729 * It deques the buf and creates a scsi command to perform the 730 * transfer in the buf. The transfer request will call scsipi_done 731 * on completion, which will in turn call this routine again 732 * so that the next queued transfer is performed. 733 * The bufs are queued by the strategy routine (cdstrategy) 734 * 735 * This routine is also called after other non-queued requests 736 * have been made of the scsi driver, to ensure that the queue 737 * continues to be drained. 738 * 739 * must be called at the correct (highish) spl level 740 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 741 */ 742 static void 743 cdstart(struct scsipi_periph *periph) 744 { 745 struct cd_softc *cd = device_private(periph->periph_dev); 746 struct buf *bp = 0; 747 struct scsipi_rw_10 cmd_big; 748 struct scsi_rw_6 cmd_small; 749 struct scsipi_generic *cmdp; 750 struct scsipi_xfer *xs; 751 int flags, nblks, cmdlen, error __diagused; 752 753 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 754 /* 755 * Check if the device has room for another command 756 */ 757 while (periph->periph_active < periph->periph_openings) { 758 /* 759 * there is excess capacity, but a special waits 760 * It'll need the adapter as soon as we clear out of the 761 * way and let it run (user level wait). 762 */ 763 if (periph->periph_flags & PERIPH_WAITING) { 764 periph->periph_flags &= ~PERIPH_WAITING; 765 wakeup((void *)periph); 766 return; 767 } 768 769 /* 770 * If the device has become invalid, abort all the 771 * reads and writes until all files have been closed and 772 * re-opened 773 */ 774 if (__predict_false( 775 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 776 if ((bp = bufq_get(cd->buf_queue)) != NULL) { 777 bp->b_error = EIO; 778 bp->b_resid = bp->b_bcount; 779 biodone(bp); 780 continue; 781 } else { 782 return; 783 } 784 } 785 786 /* 787 * See if there is a buf with work for us to do.. 788 */ 789 if ((bp = bufq_peek(cd->buf_queue)) == NULL) 790 return; 791 792 /* 793 * We have a buf, now we should make a command. 794 */ 795 796 nblks = howmany(bp->b_bcount, cd->params.blksize); 797 798 /* 799 * Fill out the scsi command. If the transfer will 800 * fit in a "small" cdb, use it. 801 */ 802 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 803 ((nblks & 0xff) == nblks) && 804 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 805 /* 806 * We can fit in a small cdb. 807 */ 808 memset(&cmd_small, 0, sizeof(cmd_small)); 809 cmd_small.opcode = (bp->b_flags & B_READ) ? 810 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 811 _lto3b(bp->b_rawblkno, cmd_small.addr); 812 cmd_small.length = nblks & 0xff; 813 cmdlen = sizeof(cmd_small); 814 cmdp = (struct scsipi_generic *)&cmd_small; 815 } else { 816 /* 817 * Need a large cdb. 818 */ 819 memset(&cmd_big, 0, sizeof(cmd_big)); 820 cmd_big.opcode = (bp->b_flags & B_READ) ? 821 READ_10 : WRITE_10; 822 _lto4b(bp->b_rawblkno, cmd_big.addr); 823 _lto2b(nblks, cmd_big.length); 824 cmdlen = sizeof(cmd_big); 825 cmdp = (struct scsipi_generic *)&cmd_big; 826 } 827 828 /* Instrumentation. */ 829 disk_busy(&cd->sc_dk); 830 831 /* 832 * Figure out what flags to use. 833 */ 834 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 835 if (bp->b_flags & B_READ) 836 flags |= XS_CTL_DATA_IN; 837 else 838 flags |= XS_CTL_DATA_OUT; 839 840 /* 841 * Call the routine that chats with the adapter. 842 * Note: we cannot sleep as we may be an interrupt 843 */ 844 xs = scsipi_make_xs(periph, cmdp, cmdlen, 845 (u_char *)bp->b_data, bp->b_bcount, 846 CDRETRIES, 30000, bp, flags); 847 if (__predict_false(xs == NULL)) { 848 /* 849 * out of memory. Keep this buffer in the queue, and 850 * retry later. 851 */ 852 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 853 periph); 854 return; 855 } 856 /* 857 * need to dequeue the buffer before queuing the command, 858 * because cdstart may be called recursively from the 859 * HBA driver 860 */ 861 #ifdef DIAGNOSTIC 862 if (bufq_get(cd->buf_queue) != bp) 863 panic("cdstart(): dequeued wrong buf"); 864 #else 865 bufq_get(cd->buf_queue); 866 #endif 867 error = scsipi_execute_xs(xs); 868 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 869 KASSERT(error == 0); 870 } 871 } 872 873 static void 874 cdrestart(void *v) 875 { 876 int s = splbio(); 877 cdstart((struct scsipi_periph *)v); 878 splx(s); 879 } 880 881 static void 882 cddone(struct scsipi_xfer *xs, int error) 883 { 884 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 885 struct buf *bp = xs->bp; 886 887 if (bp) { 888 /* note, bp->b_resid is NOT initialised */ 889 bp->b_error = error; 890 bp->b_resid = xs->resid; 891 if (error) { 892 /* on a read/write error bp->b_resid is zero, so fix */ 893 bp->b_resid = bp->b_bcount; 894 } 895 896 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 897 (bp->b_flags & B_READ)); 898 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 899 900 biodone(bp); 901 } 902 } 903 904 static void 905 cdbounce(struct buf *bp) 906 { 907 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 908 struct buf *obp = bounce->obp; 909 struct cd_softc *cd = 910 device_lookup_private(&cd_cd, CDUNIT(obp->b_dev)); 911 struct disklabel *lp = cd->sc_dk.dk_label; 912 913 if (bp->b_error != 0) { 914 /* EEK propagate the error and free the memory */ 915 goto done; 916 } 917 918 KASSERT(obp->b_flags & B_READ); 919 920 /* copy bounce buffer to final destination */ 921 memcpy((char *)obp->b_data + bounce->doff, 922 (char *)bp->b_data + bounce->soff, bounce->bcount); 923 924 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 925 KASSERT(bounce->resid >= bounce->bcount); 926 bounce->resid -= bounce->bcount; 927 if (bounce->resid > 0) { 928 struct buf *nbp; 929 daddr_t blkno; 930 long count; 931 int s; 932 933 blkno = obp->b_rawblkno + 934 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 935 count = ((blkno * lp->d_secsize) % cd->params.blksize); 936 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 937 bounce->soff = count; 938 bounce->doff += bounce->bcount; 939 count += bounce->resid; 940 count = roundup(count, cd->params.blksize); 941 bounce->bcount = bounce->resid; 942 if (count > MAXPHYS) { 943 bounce->bcount = MAXPHYS - bounce->soff; 944 count = MAXPHYS; 945 } 946 947 nbp = getiobuf(NULL, false); 948 if (!nbp) { 949 /* No memory -- fail the iop. */ 950 bp->b_error = ENOMEM; 951 goto done; 952 } 953 954 /* Set up the IOP to the bounce buffer. */ 955 nbp->b_error = 0; 956 nbp->b_proc = obp->b_proc; 957 nbp->b_bcount = count; 958 nbp->b_bufsize = count; 959 nbp->b_data = bp->b_data; 960 nbp->b_rawblkno = blkno; 961 nbp->b_flags = obp->b_flags | B_READ; 962 nbp->b_oflags = obp->b_oflags; 963 nbp->b_cflags = obp->b_cflags; 964 nbp->b_iodone = cdbounce; 965 966 /* store bounce state in b_private and use new buf */ 967 nbp->b_private = bounce; 968 969 BIO_COPYPRIO(nbp, obp); 970 971 bp->b_data = NULL; 972 putiobuf(bp); 973 974 /* enqueue the request and return */ 975 s = splbio(); 976 bufq_put(cd->buf_queue, nbp); 977 cdstart(cd->sc_periph); 978 splx(s); 979 980 return; 981 } 982 983 done: 984 obp->b_error = bp->b_error; 985 obp->b_resid = bp->b_resid; 986 free(bp->b_data, M_DEVBUF); 987 free(bounce, M_DEVBUF); 988 bp->b_data = NULL; 989 putiobuf(bp); 990 biodone(obp); 991 } 992 993 static int 994 cd_interpret_sense(struct scsipi_xfer *xs) 995 { 996 struct scsipi_periph *periph = xs->xs_periph; 997 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 998 int retval = EJUSTRETURN; 999 1000 /* 1001 * If it isn't a extended or extended/deferred error, let 1002 * the generic code handle it. 1003 */ 1004 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1005 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1006 return (retval); 1007 1008 /* 1009 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1010 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1011 * wait a bit for the drive to spin up 1012 */ 1013 1014 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1015 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 1016 /* 1017 * Sleep for 5 seconds to wait for the drive to spin up 1018 */ 1019 1020 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1021 "spinup\n")); 1022 if (!callout_pending(&periph->periph_callout)) 1023 scsipi_periph_freeze(periph, 1); 1024 callout_reset(&periph->periph_callout, 1025 5 * hz, scsipi_periph_timed_thaw, periph); 1026 retval = ERESTART; 1027 } 1028 1029 /* 1030 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 1031 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 1032 * then wait for the specified time 1033 */ 1034 1035 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1036 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 1037 /* 1038 * we could listen to the delay; but it looks like the skey 1039 * data is not always returned. 1040 */ 1041 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1042 1043 /* wait for a half second and get going again */ 1044 if (!callout_pending(&periph->periph_callout)) 1045 scsipi_periph_freeze(periph, 1); 1046 callout_reset(&periph->periph_callout, 1047 hz/2, scsipi_periph_timed_thaw, periph); 1048 retval = ERESTART; 1049 } 1050 1051 /* 1052 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1053 * progress" (Sense code 0x04, 0x08), then wait for the specified 1054 * time 1055 */ 1056 1057 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1058 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1059 /* 1060 * long write in process; we could listen to the delay; but it 1061 * looks like the skey data is not always returned. 1062 */ 1063 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1064 1065 /* wait for a half second and get going again */ 1066 if (!callout_pending(&periph->periph_callout)) 1067 scsipi_periph_freeze(periph, 1); 1068 callout_reset(&periph->periph_callout, 1069 hz/2, scsipi_periph_timed_thaw, periph); 1070 retval = ERESTART; 1071 } 1072 1073 return (retval); 1074 } 1075 1076 static void 1077 cdminphys(struct buf *bp) 1078 { 1079 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1080 long xmax; 1081 1082 /* 1083 * If the device is ancient, we want to make sure that 1084 * the transfer fits into a 6-byte cdb. 1085 * 1086 * XXX Note that the SCSI-I spec says that 256-block transfers 1087 * are allowed in a 6-byte read/write, and are specified 1088 * by settng the "length" to 0. However, we're conservative 1089 * here, allowing only 255-block transfers in case an 1090 * ancient device gets confused by length == 0. A length of 0 1091 * in a 10-byte read/write actually means 0 blocks. 1092 */ 1093 if (cd->flags & CDF_ANCIENT) { 1094 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1095 1096 if (bp->b_bcount > xmax) 1097 bp->b_bcount = xmax; 1098 } 1099 1100 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1101 } 1102 1103 static int 1104 cdread(dev_t dev, struct uio *uio, int ioflag) 1105 { 1106 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1107 } 1108 1109 static int 1110 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1111 { 1112 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1113 } 1114 1115 #if 0 /* XXX Not used */ 1116 /* 1117 * conversion between minute-seconde-frame and logical block address 1118 * addresses format 1119 */ 1120 static void 1121 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1122 { 1123 u_long tmp; 1124 1125 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1126 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1127 *m = tmp / (CD_SECS * CD_FRAMES); 1128 tmp %= (CD_SECS * CD_FRAMES); 1129 *s = tmp / CD_FRAMES; 1130 *f = tmp % CD_FRAMES; 1131 } 1132 #endif /* XXX Not used */ 1133 1134 /* 1135 * Convert an hour:minute:second:frame address to a logical block adres. In 1136 * theory the number of secs/minute and number of frames/second could be 1137 * configured differently in the device as could the block offset but in 1138 * practice these values are rock solid and most drives don't even allow 1139 * theses values to be changed. 1140 */ 1141 static uint32_t 1142 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1143 { 1144 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1145 - CD_BLOCK_OFFSET; 1146 } 1147 1148 static int 1149 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1150 { 1151 struct scsipi_periph *periph = cd->sc_periph; 1152 int error; 1153 struct cd_toc_entry *cte; 1154 1155 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1156 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1157 0, 0x40 /* control word for "get MS info" */); 1158 1159 if (error) 1160 return (error); 1161 1162 cte = &toc->entries[0]; 1163 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1164 cte->addr.lba = le32toh(cte->addr.lba); 1165 toc->header.len = le16toh(toc->header.len); 1166 } else { 1167 cte->addr.lba = be32toh(cte->addr.lba); 1168 toc->header.len = be16toh(toc->header.len); 1169 } 1170 1171 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1172 cte->addr.lba : 0; 1173 return 0; 1174 } 1175 1176 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1177 static int 1178 cdcachesync(struct scsipi_periph *periph, int flags) { 1179 struct scsi_synchronize_cache_10 cmd; 1180 1181 /* 1182 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1183 * and length 0 as it can't synchronise parts of the disc per spec. 1184 * We ignore ILLEGAL REQUEST in the event that the command is not 1185 * supported by the device, and poll for completion so that we know 1186 * that the cache has actually been flushed. 1187 * 1188 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1189 */ 1190 1191 memset(&cmd, 0, sizeof(cmd)); 1192 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1193 1194 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1195 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1196 } 1197 1198 static int 1199 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1200 struct cd_formatted_toc *toc) 1201 { 1202 /* READ TOC format 0 command, entries */ 1203 struct ioc_toc_header *th; 1204 struct cd_toc_entry *cte; 1205 u_int len = te->data_len; 1206 int ntracks; 1207 int error; 1208 1209 th = &toc->header; 1210 1211 if (len > sizeof(toc->entries) || 1212 len < sizeof(toc->entries[0])) 1213 return (EINVAL); 1214 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1215 te->starting_track, toc, 1216 sizeof(toc->header) + len, 1217 0, 0); 1218 if (error) 1219 return (error); 1220 if (te->address_format == CD_LBA_FORMAT) 1221 for (ntracks = 1222 th->ending_track - th->starting_track + 1; 1223 ntracks >= 0; ntracks--) { 1224 cte = &toc->entries[ntracks]; 1225 cte->addr_type = CD_LBA_FORMAT; 1226 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1227 cte->addr.lba = le32toh(cte->addr.lba); 1228 else 1229 cte->addr.lba = be32toh(cte->addr.lba); 1230 } 1231 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1232 th->len = le16toh(th->len); 1233 else 1234 th->len = be16toh(th->len); 1235 return 0; 1236 } 1237 1238 /* 1239 * Perform special action on behalf of the user. 1240 * Knows about the internals of this device 1241 */ 1242 static int 1243 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1244 { 1245 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1246 struct scsipi_periph *periph = cd->sc_periph; 1247 struct cd_formatted_toc toc; 1248 int part = CDPART(dev); 1249 int error; 1250 int s; 1251 #ifdef __HAVE_OLD_DISKLABEL 1252 struct disklabel *newlabel = NULL; 1253 #endif 1254 1255 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1256 1257 /* 1258 * If the device is not valid, some IOCTLs can still be 1259 * handled on the raw partition. Check this here. 1260 */ 1261 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1262 switch (cmd) { 1263 case DIOCWLABEL: 1264 case DIOCLOCK: 1265 case ODIOCEJECT: 1266 case DIOCEJECT: 1267 case DIOCCACHESYNC: 1268 case DIOCTUR: 1269 case SCIOCIDENTIFY: 1270 case OSCIOCIDENTIFY: 1271 case SCIOCCOMMAND: 1272 case SCIOCDEBUG: 1273 case CDIOCGETVOL: 1274 case CDIOCSETVOL: 1275 case CDIOCSETMONO: 1276 case CDIOCSETSTEREO: 1277 case CDIOCSETMUTE: 1278 case CDIOCSETLEFT: 1279 case CDIOCSETRIGHT: 1280 case CDIOCCLOSE: 1281 case CDIOCEJECT: 1282 case CDIOCALLOW: 1283 case CDIOCPREVENT: 1284 case CDIOCSETDEBUG: 1285 case CDIOCCLRDEBUG: 1286 case CDIOCRESET: 1287 case SCIOCRESET: 1288 case CDIOCLOADUNLOAD: 1289 case DVD_AUTH: 1290 case DVD_READ_STRUCT: 1291 case DIOCGSTRATEGY: 1292 case DIOCSSTRATEGY: 1293 if (part == RAW_PART) 1294 break; 1295 /* FALLTHROUGH */ 1296 default: 1297 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1298 return (ENODEV); 1299 else 1300 return (EIO); 1301 } 1302 } 1303 1304 error = disk_ioctl(&cd->sc_dk, cmd, addr, flag, l); 1305 if (error != EPASSTHROUGH) 1306 return (error); 1307 1308 error = 0; 1309 switch (cmd) { 1310 case DIOCGDINFO: 1311 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1312 return (0); 1313 #ifdef __HAVE_OLD_DISKLABEL 1314 case ODIOCGDINFO: 1315 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1316 if (newlabel == NULL) 1317 return (EIO); 1318 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1319 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1320 error = ENOTTY; 1321 else 1322 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1323 free(newlabel, M_TEMP); 1324 return error; 1325 #endif 1326 1327 case DIOCGPART: 1328 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1329 ((struct partinfo *)addr)->part = 1330 &cd->sc_dk.dk_label->d_partitions[part]; 1331 return (0); 1332 1333 case DIOCWDINFO: 1334 case DIOCSDINFO: 1335 #ifdef __HAVE_OLD_DISKLABEL 1336 case ODIOCWDINFO: 1337 case ODIOCSDINFO: 1338 #endif 1339 { 1340 struct disklabel *lp; 1341 1342 if ((flag & FWRITE) == 0) 1343 return (EBADF); 1344 1345 #ifdef __HAVE_OLD_DISKLABEL 1346 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1347 newlabel = malloc(sizeof (*newlabel), M_TEMP, 1348 M_WAITOK | M_ZERO); 1349 if (newlabel == NULL) 1350 return (EIO); 1351 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1352 lp = newlabel; 1353 } else 1354 #endif 1355 lp = addr; 1356 1357 mutex_enter(&cd->sc_lock); 1358 cd->flags |= CDF_LABELLING; 1359 1360 error = setdisklabel(cd->sc_dk.dk_label, 1361 lp, /*cd->sc_dk.dk_openmask : */0, 1362 cd->sc_dk.dk_cpulabel); 1363 if (error == 0) { 1364 /* XXX ? */ 1365 } 1366 1367 cd->flags &= ~CDF_LABELLING; 1368 mutex_exit(&cd->sc_lock); 1369 #ifdef __HAVE_OLD_DISKLABEL 1370 if (newlabel != NULL) 1371 free(newlabel, M_TEMP); 1372 #endif 1373 return (error); 1374 } 1375 1376 case DIOCWLABEL: 1377 return (EBADF); 1378 1379 case DIOCGDEFLABEL: 1380 cdgetdefaultlabel(cd, &toc, addr); 1381 return (0); 1382 1383 #ifdef __HAVE_OLD_DISKLABEL 1384 case ODIOCGDEFLABEL: 1385 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1386 if (newlabel == NULL) 1387 return (EIO); 1388 cdgetdefaultlabel(cd, &toc, newlabel); 1389 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1390 error = ENOTTY; 1391 else 1392 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1393 free(newlabel, M_TEMP); 1394 return error; 1395 #endif 1396 1397 case DIOCTUR: { 1398 /* test unit ready */ 1399 error = scsipi_test_unit_ready(cd->sc_periph, XS_CTL_SILENT); 1400 *((int*)addr) = (error == 0); 1401 if (error == ENODEV || error == EIO || error == 0) 1402 return 0; 1403 return error; 1404 } 1405 1406 case CDIOCPLAYTRACKS: { 1407 /* PLAY_MSF command */ 1408 struct ioc_play_track *args = addr; 1409 1410 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1411 return (error); 1412 return (cd_play_tracks(cd, &toc, args->start_track, 1413 args->start_index, args->end_track, args->end_index)); 1414 } 1415 case CDIOCPLAYMSF: { 1416 /* PLAY_MSF command */ 1417 struct ioc_play_msf *args = addr; 1418 1419 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1420 return (error); 1421 return (cd_play_msf(cd, args->start_m, args->start_s, 1422 args->start_f, args->end_m, args->end_s, args->end_f)); 1423 } 1424 case CDIOCPLAYBLOCKS: { 1425 /* PLAY command */ 1426 struct ioc_play_blocks *args = addr; 1427 1428 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1429 return (error); 1430 return (cd_play(cd, args->blk, args->len)); 1431 } 1432 case CDIOCREADSUBCHANNEL: { 1433 /* READ_SUBCHANNEL command */ 1434 struct ioc_read_subchannel *args = addr; 1435 struct cd_sub_channel_info data; 1436 u_int len = args->data_len; 1437 1438 if (len > sizeof(data) || 1439 len < sizeof(struct cd_sub_channel_header)) 1440 return (EINVAL); 1441 error = cd_read_subchannel(cd, args->address_format, 1442 args->data_format, args->track, &data, len, 0); 1443 if (error) 1444 return (error); 1445 len = min(len, _2btol(data.header.data_len) + 1446 sizeof(struct cd_sub_channel_header)); 1447 return (copyout(&data, args->data, len)); 1448 } 1449 case CDIOCREADSUBCHANNEL_BUF: { 1450 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1451 struct ioc_read_subchannel_buf *args = addr; 1452 if (args->req.data_len != sizeof args->info) 1453 return EINVAL; 1454 return cd_read_subchannel(cd, args->req.address_format, 1455 args->req.data_format, args->req.track, &args->info, 1456 sizeof(args->info), 0); 1457 } 1458 case CDIOREADTOCHEADER: { 1459 /* READ TOC format 0 command, static header */ 1460 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1461 &toc, sizeof(toc.header), 0, 0)) != 0) 1462 return (error); 1463 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1464 toc.header.len = le16toh(toc.header.len); 1465 else 1466 toc.header.len = be16toh(toc.header.len); 1467 memcpy(addr, &toc.header, sizeof(toc.header)); 1468 return (0); 1469 } 1470 case CDIOREADTOCENTRYS: { 1471 struct ioc_read_toc_entry *te = addr; 1472 error = do_cdioreadentries(cd, te, &toc); 1473 if (error != 0) 1474 return error; 1475 return copyout(toc.entries, te->data, min(te->data_len, 1476 toc.header.len - (sizeof(toc.header.starting_track) 1477 + sizeof(toc.header.ending_track)))); 1478 } 1479 case CDIOREADTOCENTRIES_BUF: { 1480 struct ioc_read_toc_entry_buf *te = addr; 1481 error = do_cdioreadentries(cd, &te->req, &toc); 1482 if (error != 0) 1483 return error; 1484 memcpy(te->entry, toc.entries, min(te->req.data_len, 1485 toc.header.len - (sizeof(toc.header.starting_track) 1486 + sizeof(toc.header.ending_track)))); 1487 return 0; 1488 } 1489 case CDIOREADMSADDR: { 1490 /* READ TOC format 0 command, length of first track only */ 1491 int sessno = *(int*)addr; 1492 1493 if (sessno != 0) 1494 return (EINVAL); 1495 1496 return (cdreadmsaddr(cd, &toc, addr)); 1497 } 1498 case CDIOCSETPATCH: { 1499 struct ioc_patch *arg = addr; 1500 1501 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1502 arg->patch[2], arg->patch[3], 0)); 1503 } 1504 case CDIOCGETVOL: { 1505 /* MODE SENSE command (AUDIO page) */ 1506 struct ioc_vol *arg = addr; 1507 1508 return (cd_getvol(cd, arg, 0)); 1509 } 1510 case CDIOCSETVOL: { 1511 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1512 struct ioc_vol *arg = addr; 1513 1514 return (cd_setvol(cd, arg, 0)); 1515 } 1516 case CDIOCSETMONO: 1517 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1518 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1519 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1520 1521 case CDIOCSETSTEREO: 1522 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1523 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1524 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1525 1526 case CDIOCSETMUTE: 1527 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1528 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1529 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1530 1531 case CDIOCSETLEFT: 1532 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1533 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1534 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1535 1536 case CDIOCSETRIGHT: 1537 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1538 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1539 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1540 1541 case CDIOCRESUME: 1542 /* PAUSE command */ 1543 return (cd_pause(cd, PA_RESUME)); 1544 case CDIOCPAUSE: 1545 /* PAUSE command */ 1546 return (cd_pause(cd, PA_PAUSE)); 1547 case CDIOCSTART: 1548 return (scsipi_start(periph, SSS_START, 0)); 1549 case CDIOCSTOP: 1550 return (scsipi_start(periph, SSS_STOP, 0)); 1551 case CDIOCCLOSE: 1552 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1553 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1554 case DIOCEJECT: 1555 if (*(int *)addr == 0) { 1556 /* 1557 * Don't force eject: check that we are the only 1558 * partition open. If so, unlock it. 1559 */ 1560 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1561 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1562 cd->sc_dk.dk_openmask) { 1563 error = scsipi_prevent(periph, SPAMR_ALLOW, 1564 XS_CTL_IGNORE_NOT_READY); 1565 if (error) 1566 return (error); 1567 } else { 1568 return (EBUSY); 1569 } 1570 } 1571 /* FALLTHROUGH */ 1572 case CDIOCEJECT: /* FALLTHROUGH */ 1573 case ODIOCEJECT: 1574 error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0); 1575 if (error == 0) { 1576 int i; 1577 1578 /* 1579 * We have just successfully ejected the medium, 1580 * all partitions cached are meaningless now. 1581 * Make sure cdclose() will do silent operations 1582 * now by marking all partitions unused. 1583 * Before any real access, a new (default-)disk- 1584 * label will be generated anyway. 1585 */ 1586 for (i = 0; i < cd->sc_dk.dk_label->d_npartitions; 1587 i++) 1588 cd->sc_dk.dk_label->d_partitions[i].p_fstype = 1589 FS_UNUSED; 1590 } 1591 return error; 1592 case DIOCCACHESYNC: 1593 /* SYNCHRONISE CACHES command */ 1594 return (cdcachesync(periph, 0)); 1595 case CDIOCALLOW: 1596 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1597 case CDIOCPREVENT: 1598 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1599 case DIOCLOCK: 1600 return (scsipi_prevent(periph, 1601 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1602 case CDIOCSETDEBUG: 1603 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1604 return (0); 1605 case CDIOCCLRDEBUG: 1606 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1607 return (0); 1608 case CDIOCRESET: 1609 case SCIOCRESET: 1610 return (cd_reset(cd)); 1611 case CDIOCLOADUNLOAD: 1612 /* LOAD_UNLOAD command */ 1613 return (cd_load_unload(cd, addr)); 1614 case DVD_AUTH: 1615 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1616 return (dvd_auth(cd, addr)); 1617 case DVD_READ_STRUCT: 1618 /* GPCMD_READ_DVD_STRUCTURE command */ 1619 return (dvd_read_struct(cd, addr)); 1620 case MMCGETDISCINFO: 1621 /* 1622 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1623 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1624 */ 1625 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1626 case MMCGETTRACKINFO: 1627 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1628 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1629 case MMCOP: 1630 /* 1631 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1632 * SYNCHRONISE_CACHE commands 1633 */ 1634 return mmc_do_op(periph, (struct mmc_op *) addr); 1635 case MMCSETUPWRITEPARAMS : 1636 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1637 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1638 case DIOCGSTRATEGY: 1639 { 1640 struct disk_strategy *dks = addr; 1641 1642 s = splbio(); 1643 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1644 sizeof(dks->dks_name)); 1645 splx(s); 1646 dks->dks_paramlen = 0; 1647 1648 return 0; 1649 } 1650 case DIOCSSTRATEGY: 1651 { 1652 struct disk_strategy *dks = addr; 1653 struct bufq_state *new; 1654 struct bufq_state *old; 1655 1656 if ((flag & FWRITE) == 0) { 1657 return EBADF; 1658 } 1659 if (dks->dks_param != NULL) { 1660 return EINVAL; 1661 } 1662 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1663 error = bufq_alloc(&new, dks->dks_name, 1664 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1665 if (error) { 1666 return error; 1667 } 1668 s = splbio(); 1669 old = cd->buf_queue; 1670 bufq_move(new, old); 1671 cd->buf_queue = new; 1672 splx(s); 1673 bufq_free(old); 1674 1675 return 0; 1676 } 1677 default: 1678 if (part != RAW_PART) 1679 return (ENOTTY); 1680 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1681 } 1682 1683 #ifdef DIAGNOSTIC 1684 panic("cdioctl: impossible"); 1685 #endif 1686 } 1687 1688 static void 1689 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1690 struct disklabel *lp) 1691 { 1692 int lastsession; 1693 1694 memset(lp, 0, sizeof(struct disklabel)); 1695 1696 lp->d_secsize = cd->params.blksize; 1697 lp->d_ntracks = 1; 1698 lp->d_nsectors = 100; 1699 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1700 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1701 1702 switch (SCSIPI_BUSTYPE_TYPE(scsipi_periph_bustype(cd->sc_periph))) { 1703 case SCSIPI_BUSTYPE_SCSI: 1704 lp->d_type = DTYPE_SCSI; 1705 break; 1706 case SCSIPI_BUSTYPE_ATAPI: 1707 lp->d_type = DTYPE_ATAPI; 1708 break; 1709 } 1710 /* 1711 * XXX 1712 * We could probe the mode pages to figure out what kind of disc it is. 1713 * Is this worthwhile? 1714 */ 1715 strncpy(lp->d_typename, "optical media", 16); 1716 strncpy(lp->d_packname, "fictitious", 16); 1717 lp->d_secperunit = cd->params.disksize; 1718 lp->d_rpm = 300; 1719 lp->d_interleave = 1; 1720 lp->d_flags = D_REMOVABLE | D_SCSI_MMC; 1721 1722 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1723 lastsession = 0; 1724 1725 lp->d_partitions[0].p_offset = 0; 1726 lp->d_partitions[0].p_size = lp->d_secperunit; 1727 lp->d_partitions[0].p_cdsession = lastsession; 1728 lp->d_partitions[0].p_fstype = FS_ISO9660; 1729 1730 lp->d_partitions[RAW_PART].p_offset = 0; 1731 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1732 lp->d_partitions[RAW_PART].p_fstype = FS_UDF; 1733 1734 lp->d_npartitions = RAW_PART + 1; 1735 1736 lp->d_magic = DISKMAGIC; 1737 lp->d_magic2 = DISKMAGIC; 1738 lp->d_checksum = dkcksum(lp); 1739 } 1740 1741 /* 1742 * Load the label information on the named device 1743 * Actually fabricate a disklabel 1744 * 1745 * EVENTUALLY take information about different 1746 * data tracks from the TOC and put it in the disklabel 1747 */ 1748 static void 1749 cdgetdisklabel(struct cd_softc *cd) 1750 { 1751 struct disklabel *lp = cd->sc_dk.dk_label; 1752 struct cd_formatted_toc toc; 1753 const char *errstring; 1754 int bmajor; 1755 1756 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1757 1758 cdgetdefaultlabel(cd, &toc, lp); 1759 1760 /* 1761 * Call the generic disklabel extraction routine 1762 * 1763 * bmajor follows ata_raid code 1764 */ 1765 bmajor = devsw_name2blk(device_xname(cd->sc_dev), NULL, 0); 1766 errstring = readdisklabel(MAKECDDEV(bmajor, 1767 device_unit(cd->sc_dev), RAW_PART), 1768 cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1769 1770 /* if all went OK, we are passed a NULL error string */ 1771 if (errstring == NULL) 1772 return; 1773 1774 /* Reset to default label -- after printing error and the warning */ 1775 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1776 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1777 cdgetdefaultlabel(cd, &toc, lp); 1778 } 1779 1780 /* 1781 * Reading a disc's total capacity is apparently a very difficult issue for the 1782 * SCSI standardisation group. Every disc type seems to have its own 1783 * (re)invented size request method and modifiers. The failsafe way of 1784 * determining the total (max) capacity i.e. not the recorded capacity but the 1785 * total maximum capacity is to request the info on the last track and 1786 * calculate the last lba. 1787 * 1788 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1789 * we count. 1790 */ 1791 static int 1792 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *last_lba) 1793 { 1794 struct scsipi_read_cd_capacity cap_cmd; 1795 struct scsipi_read_cd_cap_data cap; 1796 struct scsipi_read_discinfo di_cmd; 1797 struct scsipi_read_discinfo_data di; 1798 struct scsipi_read_trackinfo ti_cmd; 1799 struct scsipi_read_trackinfo_data ti; 1800 uint32_t track_start, track_size; 1801 int error, flags, msb, lsb, last_track; 1802 1803 /* if the device doesn't grok capacity, return the dummies */ 1804 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1805 return 0; 1806 1807 /* first try read CD capacity for blksize and last recorded lba */ 1808 /* issue the cd capacity request */ 1809 flags = XS_CTL_DATA_IN; 1810 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1811 cap_cmd.opcode = READ_CD_CAPACITY; 1812 1813 error = scsipi_command(periph, 1814 (void *) &cap_cmd, sizeof(cap_cmd), 1815 (void *) &cap, sizeof(cap), 1816 CDRETRIES, 30000, NULL, flags); 1817 if (error) 1818 return error; 1819 1820 /* retrieve values and sanity check them */ 1821 *blksize = _4btol(cap.length); 1822 *last_lba = _4btol(cap.addr); 1823 1824 /* blksize is 2048 for CD, but some drives give gibberish */ 1825 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1826 *blksize = 2048; /* some drives lie ! */ 1827 1828 /* recordables have READ_DISCINFO implemented */ 1829 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1830 memset(&di_cmd, 0, sizeof(di_cmd)); 1831 di_cmd.opcode = READ_DISCINFO; 1832 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1833 1834 error = scsipi_command(periph, 1835 (void *) &di_cmd, sizeof(di_cmd), 1836 (void *) &di, READ_DISCINFO_BIGSIZE, 1837 CDRETRIES, 30000, NULL, flags); 1838 if (error == 0) { 1839 msb = di.last_track_last_session_msb; 1840 lsb = di.last_track_last_session_lsb; 1841 last_track = (msb << 8) | lsb; 1842 1843 /* request info on last track */ 1844 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1845 ti_cmd.opcode = READ_TRACKINFO; 1846 ti_cmd.addr_type = 1; /* on tracknr */ 1847 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1848 _lto2b(sizeof(ti), ti_cmd.data_len); 1849 1850 error = scsipi_command(periph, 1851 (void *) &ti_cmd, sizeof(ti_cmd), 1852 (void *) &ti, sizeof(ti), 1853 CDRETRIES, 30000, NULL, flags); 1854 if (error == 0) { 1855 track_start = _4btol(ti.track_start); 1856 track_size = _4btol(ti.track_size); 1857 1858 /* overwrite only with a sane value */ 1859 if (track_start + track_size >= 100) 1860 *last_lba = (u_long) track_start + track_size -1; 1861 } 1862 } 1863 1864 /* sanity check for lba_size */ 1865 if (*last_lba < 100) 1866 *last_lba = 400000-1; 1867 1868 return 0; 1869 } 1870 1871 /* 1872 * Find out from the device what it's capacity is 1873 */ 1874 static u_long 1875 cd_size(struct cd_softc *cd, int flags) 1876 { 1877 u_int blksize; 1878 u_long last_lba, size; 1879 int error; 1880 1881 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); 1882 if (error) 1883 goto error; 1884 1885 if (blksize != 2048) { 1886 if (cd_setblksize(cd) == 0) { 1887 blksize = 2048; 1888 error = read_cd_capacity(cd->sc_periph, 1889 &blksize, &last_lba); 1890 if (error) 1891 goto error; 1892 } 1893 } 1894 1895 size = last_lba + 1; 1896 cd->params.blksize = blksize; 1897 cd->params.disksize = size; 1898 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1899 1900 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1901 ("cd_size: %u %lu\n", blksize, size)); 1902 1903 return size; 1904 1905 error: 1906 /* something went wrong */ 1907 cd->params.blksize = 2048; 1908 cd->params.disksize = 0; 1909 cd->params.disksize512 = 0; 1910 1911 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); 1912 1913 return 0; 1914 } 1915 1916 /* 1917 * Get scsi driver to send a "start playing" command 1918 */ 1919 static int 1920 cd_play(struct cd_softc *cd, int blkno, int nblks) 1921 { 1922 struct scsipi_play cmd; 1923 1924 memset(&cmd, 0, sizeof(cmd)); 1925 cmd.opcode = PLAY; 1926 _lto4b(blkno, cmd.blk_addr); 1927 _lto2b(nblks, cmd.xfer_len); 1928 1929 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1930 CDRETRIES, 30000, NULL, 0)); 1931 } 1932 1933 /* 1934 * Get scsi driver to send a "start playing" command 1935 */ 1936 static int 1937 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1938 int sindex, int etrack, int eindex) 1939 { 1940 int error; 1941 1942 if (!etrack) 1943 return (EIO); 1944 if (strack > etrack) 1945 return (EINVAL); 1946 1947 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1948 if (error) 1949 return (error); 1950 1951 if (++etrack > (toc->header.ending_track+1)) 1952 etrack = toc->header.ending_track+1; 1953 1954 strack -= toc->header.starting_track; 1955 etrack -= toc->header.starting_track; 1956 if (strack < 0) 1957 return (EINVAL); 1958 1959 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1960 toc->entries[strack].addr.msf.second, 1961 toc->entries[strack].addr.msf.frame, 1962 toc->entries[etrack].addr.msf.minute, 1963 toc->entries[etrack].addr.msf.second, 1964 toc->entries[etrack].addr.msf.frame)); 1965 } 1966 1967 /* 1968 * Get scsi driver to send a "play msf" command 1969 */ 1970 static int 1971 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1972 int ends, int endf) 1973 { 1974 struct scsipi_play_msf cmd; 1975 1976 memset(&cmd, 0, sizeof(cmd)); 1977 cmd.opcode = PLAY_MSF; 1978 cmd.start_m = startm; 1979 cmd.start_s = starts; 1980 cmd.start_f = startf; 1981 cmd.end_m = endm; 1982 cmd.end_s = ends; 1983 cmd.end_f = endf; 1984 1985 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1986 CDRETRIES, 30000, NULL, 0)); 1987 } 1988 1989 /* 1990 * Get scsi driver to send a "start up" command 1991 */ 1992 static int 1993 cd_pause(struct cd_softc *cd, int go) 1994 { 1995 struct scsipi_pause cmd; 1996 1997 memset(&cmd, 0, sizeof(cmd)); 1998 cmd.opcode = PAUSE; 1999 cmd.resume = go & 0xff; 2000 2001 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2002 CDRETRIES, 30000, NULL, 0)); 2003 } 2004 2005 /* 2006 * Get scsi driver to send a "RESET" command 2007 */ 2008 static int 2009 cd_reset(struct cd_softc *cd) 2010 { 2011 2012 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 2013 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 2014 } 2015 2016 /* 2017 * Read subchannel 2018 */ 2019 static int 2020 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 2021 struct cd_sub_channel_info *data, int len, int flags) 2022 { 2023 struct scsipi_read_subchannel cmd; 2024 2025 memset(&cmd, 0, sizeof(cmd)); 2026 cmd.opcode = READ_SUBCHANNEL; 2027 if (mode == CD_MSF_FORMAT) 2028 cmd.byte2 |= CD_MSF; 2029 cmd.byte3 = SRS_SUBQ; 2030 cmd.subchan_format = format; 2031 cmd.track = track; 2032 _lto2b(len, cmd.data_len); 2033 2034 return (scsipi_command(cd->sc_periph, 2035 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 2036 (void *)data, len, 2037 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 2038 } 2039 2040 /* 2041 * Read table of contents 2042 */ 2043 static int 2044 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 2045 struct cd_formatted_toc *toc, int len, int flags, int control) 2046 { 2047 struct scsipi_read_toc cmd; 2048 int ntoc; 2049 2050 memset(&cmd, 0, sizeof(cmd)); 2051 #if 0 2052 if (len != sizeof(struct ioc_toc_header)) 2053 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 2054 sizeof(struct cd_toc_entry); 2055 else 2056 #endif 2057 ntoc = len; 2058 cmd.opcode = READ_TOC; 2059 if (mode == CD_MSF_FORMAT) 2060 cmd.addr_mode |= CD_MSF; 2061 cmd.resp_format = respf; 2062 cmd.from_track = start; 2063 _lto2b(ntoc, cmd.data_len); 2064 cmd.control = control; 2065 2066 return (scsipi_command(cd->sc_periph, 2067 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2068 30000, NULL, flags | XS_CTL_DATA_IN)); 2069 } 2070 2071 static int 2072 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2073 { 2074 int ntracks, len, error; 2075 2076 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2077 flags, 0)) != 0) 2078 return (error); 2079 2080 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2081 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2082 sizeof(toc->header); 2083 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2084 flags, 0)) != 0) 2085 return (error); 2086 return (0); 2087 } 2088 2089 /* 2090 * Get the scsi driver to send a full inquiry to the device and use the 2091 * results to fill out the disk parameter structure. 2092 */ 2093 static int 2094 cd_get_parms(struct cd_softc *cd, int flags) 2095 { 2096 2097 /* 2098 * give a number of sectors so that sec * trks * cyls 2099 * is <= disk_size 2100 */ 2101 if (cd_size(cd, flags) == 0) 2102 return (ENXIO); 2103 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2104 return (0); 2105 } 2106 2107 static int 2108 cdsize(dev_t dev) 2109 { 2110 2111 /* CD-ROMs are read-only. */ 2112 return (-1); 2113 } 2114 2115 static int 2116 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2117 { 2118 2119 /* Not implemented. */ 2120 return (ENXIO); 2121 } 2122 2123 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2124 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2125 2126 static int 2127 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2128 { 2129 struct scsipi_generic cmd; 2130 u_int8_t bf[20]; 2131 int error; 2132 2133 memset(cmd.bytes, 0, 15); 2134 memset(bf, 0, sizeof(bf)); 2135 2136 switch (a->type) { 2137 case DVD_LU_SEND_AGID: 2138 cmd.opcode = GPCMD_REPORT_KEY; 2139 cmd.bytes[8] = 8; 2140 cmd.bytes[9] = 0 | (0 << 6); 2141 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2142 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2143 if (error) 2144 return (error); 2145 a->lsa.agid = bf[7] >> 6; 2146 return (0); 2147 2148 case DVD_LU_SEND_CHALLENGE: 2149 cmd.opcode = GPCMD_REPORT_KEY; 2150 cmd.bytes[8] = 16; 2151 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2152 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2153 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2154 if (error) 2155 return (error); 2156 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2157 return (0); 2158 2159 case DVD_LU_SEND_KEY1: 2160 cmd.opcode = GPCMD_REPORT_KEY; 2161 cmd.bytes[8] = 12; 2162 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2163 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2164 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2165 if (error) 2166 return (error); 2167 dvd_copy_key(a->lsk.key, &bf[4]); 2168 return (0); 2169 2170 case DVD_LU_SEND_TITLE_KEY: 2171 cmd.opcode = GPCMD_REPORT_KEY; 2172 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2173 cmd.bytes[8] = 12; 2174 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2175 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2176 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2177 if (error) 2178 return (error); 2179 a->lstk.cpm = (bf[4] >> 7) & 1; 2180 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2181 a->lstk.cgms = (bf[4] >> 4) & 3; 2182 dvd_copy_key(a->lstk.title_key, &bf[5]); 2183 return (0); 2184 2185 case DVD_LU_SEND_ASF: 2186 cmd.opcode = GPCMD_REPORT_KEY; 2187 cmd.bytes[8] = 8; 2188 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2189 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2190 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2191 if (error) 2192 return (error); 2193 a->lsasf.asf = bf[7] & 1; 2194 return (0); 2195 2196 case DVD_HOST_SEND_CHALLENGE: 2197 cmd.opcode = GPCMD_SEND_KEY; 2198 cmd.bytes[8] = 16; 2199 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2200 bf[1] = 14; 2201 dvd_copy_challenge(&bf[4], a->hsc.chal); 2202 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2203 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2204 if (error) 2205 return (error); 2206 a->type = DVD_LU_SEND_KEY1; 2207 return (0); 2208 2209 case DVD_HOST_SEND_KEY2: 2210 cmd.opcode = GPCMD_SEND_KEY; 2211 cmd.bytes[8] = 12; 2212 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2213 bf[1] = 10; 2214 dvd_copy_key(&bf[4], a->hsk.key); 2215 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2216 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2217 if (error) { 2218 a->type = DVD_AUTH_FAILURE; 2219 return (error); 2220 } 2221 a->type = DVD_AUTH_ESTABLISHED; 2222 return (0); 2223 2224 case DVD_INVALIDATE_AGID: 2225 cmd.opcode = GPCMD_REPORT_KEY; 2226 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2227 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2228 CDRETRIES, 30000, NULL, 0); 2229 if (error) 2230 return (error); 2231 return (0); 2232 2233 case DVD_LU_SEND_RPC_STATE: 2234 cmd.opcode = GPCMD_REPORT_KEY; 2235 cmd.bytes[8] = 8; 2236 cmd.bytes[9] = 8 | (0 << 6); 2237 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2238 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2239 if (error) 2240 return (error); 2241 a->lrpcs.type = (bf[4] >> 6) & 3; 2242 a->lrpcs.vra = (bf[4] >> 3) & 7; 2243 a->lrpcs.ucca = (bf[4]) & 7; 2244 a->lrpcs.region_mask = bf[5]; 2245 a->lrpcs.rpc_scheme = bf[6]; 2246 return (0); 2247 2248 case DVD_HOST_SEND_RPC_STATE: 2249 cmd.opcode = GPCMD_SEND_KEY; 2250 cmd.bytes[8] = 8; 2251 cmd.bytes[9] = 6 | (0 << 6); 2252 bf[1] = 6; 2253 bf[4] = a->hrpcs.pdrc; 2254 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2255 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2256 if (error) 2257 return (error); 2258 return (0); 2259 2260 default: 2261 return (ENOTTY); 2262 } 2263 } 2264 2265 static int 2266 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2267 { 2268 struct scsipi_generic cmd; 2269 u_int8_t bf[4 + 4 * 20], *bufp; 2270 int error; 2271 struct dvd_layer *layer; 2272 int i; 2273 2274 memset(cmd.bytes, 0, 15); 2275 memset(bf, 0, sizeof(bf)); 2276 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2277 cmd.bytes[6] = s->type; 2278 _lto2b(sizeof(bf), &cmd.bytes[7]); 2279 2280 cmd.bytes[5] = s->physical.layer_num; 2281 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2282 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2283 if (error) 2284 return (error); 2285 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2286 i++, bufp += 20, layer++) { 2287 memset(layer, 0, sizeof(*layer)); 2288 layer->book_version = bufp[0] & 0xf; 2289 layer->book_type = bufp[0] >> 4; 2290 layer->min_rate = bufp[1] & 0xf; 2291 layer->disc_size = bufp[1] >> 4; 2292 layer->layer_type = bufp[2] & 0xf; 2293 layer->track_path = (bufp[2] >> 4) & 1; 2294 layer->nlayers = (bufp[2] >> 5) & 3; 2295 layer->track_density = bufp[3] & 0xf; 2296 layer->linear_density = bufp[3] >> 4; 2297 layer->start_sector = _4btol(&bufp[4]); 2298 layer->end_sector = _4btol(&bufp[8]); 2299 layer->end_sector_l0 = _4btol(&bufp[12]); 2300 layer->bca = bufp[16] >> 7; 2301 } 2302 return (0); 2303 } 2304 2305 static int 2306 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2307 { 2308 struct scsipi_generic cmd; 2309 u_int8_t bf[8]; 2310 int error; 2311 2312 memset(cmd.bytes, 0, 15); 2313 memset(bf, 0, sizeof(bf)); 2314 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2315 cmd.bytes[6] = s->type; 2316 _lto2b(sizeof(bf), &cmd.bytes[7]); 2317 2318 cmd.bytes[5] = s->copyright.layer_num; 2319 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2320 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2321 if (error) 2322 return (error); 2323 s->copyright.cpst = bf[4]; 2324 s->copyright.rmi = bf[5]; 2325 return (0); 2326 } 2327 2328 static int 2329 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2330 { 2331 struct scsipi_generic cmd; 2332 u_int8_t *bf; 2333 int error; 2334 2335 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2336 if (bf == NULL) 2337 return EIO; 2338 memset(cmd.bytes, 0, 15); 2339 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2340 cmd.bytes[6] = s->type; 2341 _lto2b(4 + 2048, &cmd.bytes[7]); 2342 2343 cmd.bytes[9] = s->disckey.agid << 6; 2344 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2345 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2346 if (error == 0) 2347 memcpy(s->disckey.value, &bf[4], 2048); 2348 free(bf, M_TEMP); 2349 return error; 2350 } 2351 2352 static int 2353 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2354 { 2355 struct scsipi_generic cmd; 2356 u_int8_t bf[4 + 188]; 2357 int error; 2358 2359 memset(cmd.bytes, 0, 15); 2360 memset(bf, 0, sizeof(bf)); 2361 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2362 cmd.bytes[6] = s->type; 2363 _lto2b(sizeof(bf), &cmd.bytes[7]); 2364 2365 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2366 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2367 if (error) 2368 return (error); 2369 s->bca.len = _2btol(&bf[0]); 2370 if (s->bca.len < 12 || s->bca.len > 188) 2371 return (EIO); 2372 memcpy(s->bca.value, &bf[4], s->bca.len); 2373 return (0); 2374 } 2375 2376 static int 2377 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2378 { 2379 struct scsipi_generic cmd; 2380 u_int8_t *bf; 2381 int error; 2382 2383 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2384 if (bf == NULL) 2385 return (EIO); 2386 memset(cmd.bytes, 0, 15); 2387 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2388 cmd.bytes[6] = s->type; 2389 _lto2b(4 + 2048, &cmd.bytes[7]); 2390 2391 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2392 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2393 if (error == 0) { 2394 s->manufact.len = _2btol(&bf[0]); 2395 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2396 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2397 else 2398 error = EIO; 2399 } 2400 free(bf, M_TEMP); 2401 return error; 2402 } 2403 2404 static int 2405 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2406 { 2407 2408 switch (s->type) { 2409 case DVD_STRUCT_PHYSICAL: 2410 return (dvd_read_physical(cd, s)); 2411 case DVD_STRUCT_COPYRIGHT: 2412 return (dvd_read_copyright(cd, s)); 2413 case DVD_STRUCT_DISCKEY: 2414 return (dvd_read_disckey(cd, s)); 2415 case DVD_STRUCT_BCA: 2416 return (dvd_read_bca(cd, s)); 2417 case DVD_STRUCT_MANUFACT: 2418 return (dvd_read_manufact(cd, s)); 2419 default: 2420 return (EINVAL); 2421 } 2422 } 2423 2424 static int 2425 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2426 int page, int flags, int *big) 2427 { 2428 2429 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2430 *big = 1; 2431 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2432 size + sizeof(struct scsi_mode_parameter_header_10), 2433 flags, CDRETRIES, 20000); 2434 } else { 2435 *big = 0; 2436 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2437 size + sizeof(struct scsi_mode_parameter_header_6), 2438 flags, CDRETRIES, 20000); 2439 } 2440 } 2441 2442 static int 2443 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2444 int flags, int big) 2445 { 2446 2447 if (big) { 2448 struct scsi_mode_parameter_header_10 *header = sense; 2449 2450 _lto2b(0, header->data_length); 2451 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2452 size + sizeof(struct scsi_mode_parameter_header_10), 2453 flags, CDRETRIES, 20000); 2454 } else { 2455 struct scsi_mode_parameter_header_6 *header = sense; 2456 2457 header->data_length = 0; 2458 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2459 size + sizeof(struct scsi_mode_parameter_header_6), 2460 flags, CDRETRIES, 20000); 2461 } 2462 } 2463 2464 static int 2465 cd_set_pa_immed(struct cd_softc *cd, int flags) 2466 { 2467 struct { 2468 union { 2469 struct scsi_mode_parameter_header_6 small; 2470 struct scsi_mode_parameter_header_10 big; 2471 } header; 2472 struct cd_audio_page page; 2473 } data; 2474 int error; 2475 uint8_t oflags; 2476 int big, byte2; 2477 struct cd_audio_page *page; 2478 2479 byte2 = SMS_DBD; 2480 try_again: 2481 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2482 AUDIO_PAGE, flags, &big)) != 0) { 2483 if (byte2 == SMS_DBD) { 2484 /* Device may not understand DBD; retry without */ 2485 byte2 = 0; 2486 goto try_again; 2487 } 2488 return (error); 2489 } 2490 2491 if (big) 2492 page = (void *)((u_long)&data.header.big + 2493 sizeof data.header.big + 2494 _2btol(data.header.big.blk_desc_len)); 2495 else 2496 page = (void *)((u_long)&data.header.small + 2497 sizeof data.header.small + 2498 data.header.small.blk_desc_len); 2499 2500 oflags = page->flags; 2501 page->flags &= ~CD_PA_SOTC; 2502 page->flags |= CD_PA_IMMED; 2503 if (oflags == page->flags) 2504 return (0); 2505 2506 return (cd_mode_select(cd, SMS_PF, &data, 2507 sizeof(struct scsi_mode_page_header) + page->pg_length, 2508 flags, big)); 2509 } 2510 2511 static int 2512 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2513 { 2514 struct { 2515 union { 2516 struct scsi_mode_parameter_header_6 small; 2517 struct scsi_mode_parameter_header_10 big; 2518 } header; 2519 struct cd_audio_page page; 2520 } data; 2521 int error; 2522 int big, byte2; 2523 struct cd_audio_page *page; 2524 2525 byte2 = SMS_DBD; 2526 try_again: 2527 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2528 AUDIO_PAGE, flags, &big)) != 0) { 2529 if (byte2 == SMS_DBD) { 2530 /* Device may not understand DBD; retry without */ 2531 byte2 = 0; 2532 goto try_again; 2533 } 2534 return (error); 2535 } 2536 2537 if (big) 2538 page = (void *)((u_long)&data.header.big + 2539 sizeof data.header.big + 2540 _2btol(data.header.big.blk_desc_len)); 2541 else 2542 page = (void *)((u_long)&data.header.small + 2543 sizeof data.header.small + 2544 data.header.small.blk_desc_len); 2545 2546 page->port[0].channels = p0; 2547 page->port[1].channels = p1; 2548 page->port[2].channels = p2; 2549 page->port[3].channels = p3; 2550 2551 return (cd_mode_select(cd, SMS_PF, &data, 2552 sizeof(struct scsi_mode_page_header) + page->pg_length, 2553 flags, big)); 2554 } 2555 2556 static int 2557 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2558 { 2559 struct { 2560 union { 2561 struct scsi_mode_parameter_header_6 small; 2562 struct scsi_mode_parameter_header_10 big; 2563 } header; 2564 struct cd_audio_page page; 2565 } data; 2566 int error; 2567 int big, byte2; 2568 struct cd_audio_page *page; 2569 2570 byte2 = SMS_DBD; 2571 try_again: 2572 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2573 AUDIO_PAGE, flags, &big)) != 0) { 2574 if (byte2 == SMS_DBD) { 2575 /* Device may not understand DBD; retry without */ 2576 byte2 = 0; 2577 goto try_again; 2578 } 2579 return (error); 2580 } 2581 2582 if (big) 2583 page = (void *)((u_long)&data.header.big + 2584 sizeof data.header.big + 2585 _2btol(data.header.big.blk_desc_len)); 2586 else 2587 page = (void *)((u_long)&data.header.small + 2588 sizeof data.header.small + 2589 data.header.small.blk_desc_len); 2590 2591 arg->vol[0] = page->port[0].volume; 2592 arg->vol[1] = page->port[1].volume; 2593 arg->vol[2] = page->port[2].volume; 2594 arg->vol[3] = page->port[3].volume; 2595 2596 return (0); 2597 } 2598 2599 static int 2600 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2601 { 2602 struct { 2603 union { 2604 struct scsi_mode_parameter_header_6 small; 2605 struct scsi_mode_parameter_header_10 big; 2606 } header; 2607 struct cd_audio_page page; 2608 } data, mask; 2609 int error; 2610 int big, byte2; 2611 struct cd_audio_page *page, *page2; 2612 2613 byte2 = SMS_DBD; 2614 try_again: 2615 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2616 AUDIO_PAGE, flags, &big)) != 0) { 2617 if (byte2 == SMS_DBD) { 2618 /* Device may not understand DBD; retry without */ 2619 byte2 = 0; 2620 goto try_again; 2621 } 2622 return (error); 2623 } 2624 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2625 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2626 return (error); 2627 2628 if (big) { 2629 page = (void *)((u_long)&data.header.big + 2630 sizeof data.header.big + 2631 _2btol(data.header.big.blk_desc_len)); 2632 page2 = (void *)((u_long)&mask.header.big + 2633 sizeof mask.header.big + 2634 _2btol(mask.header.big.blk_desc_len)); 2635 } else { 2636 page = (void *)((u_long)&data.header.small + 2637 sizeof data.header.small + 2638 data.header.small.blk_desc_len); 2639 page2 = (void *)((u_long)&mask.header.small + 2640 sizeof mask.header.small + 2641 mask.header.small.blk_desc_len); 2642 } 2643 2644 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2645 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2646 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2647 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2648 2649 page->port[0].channels = CHANNEL_0; 2650 page->port[1].channels = CHANNEL_1; 2651 2652 return (cd_mode_select(cd, SMS_PF, &data, 2653 sizeof(struct scsi_mode_page_header) + page->pg_length, 2654 flags, big)); 2655 } 2656 2657 static int 2658 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2659 { 2660 struct scsipi_load_unload cmd; 2661 2662 memset(&cmd, 0, sizeof(cmd)); 2663 cmd.opcode = LOAD_UNLOAD; 2664 cmd.options = args->options; /* ioctl uses MMC values */ 2665 cmd.slot = args->slot; 2666 2667 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2668 CDRETRIES, 200000, NULL, 0)); 2669 } 2670 2671 static int 2672 cd_setblksize(struct cd_softc *cd) 2673 { 2674 struct { 2675 union { 2676 struct scsi_mode_parameter_header_6 small; 2677 struct scsi_mode_parameter_header_10 big; 2678 } header; 2679 struct scsi_general_block_descriptor blk_desc; 2680 } data; 2681 int error; 2682 int big, bsize; 2683 struct scsi_general_block_descriptor *bdesc; 2684 2685 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2686 &big)) != 0) 2687 return (error); 2688 2689 if (big) { 2690 bdesc = (void *)(&data.header.big + 1); 2691 bsize = _2btol(data.header.big.blk_desc_len); 2692 } else { 2693 bdesc = (void *)(&data.header.small + 1); 2694 bsize = data.header.small.blk_desc_len; 2695 } 2696 2697 if (bsize == 0) { 2698 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2699 return (EINVAL); 2700 } 2701 if (_3btol(bdesc->blklen) == 2048) { 2702 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2703 return (EINVAL); 2704 } 2705 2706 _lto3b(2048, bdesc->blklen); 2707 2708 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2709 big)); 2710 } 2711 2712 2713 static int 2714 mmc_profile2class(uint16_t mmc_profile) 2715 { 2716 switch (mmc_profile) { 2717 case 0x01 : /* SCSI discs */ 2718 case 0x02 : 2719 /* this can't happen really, cd.c wouldn't have matched */ 2720 return MMC_CLASS_DISC; 2721 case 0x03 : /* Magneto Optical with sector erase */ 2722 case 0x04 : /* Magneto Optical write once */ 2723 case 0x05 : /* Advance Storage Magneto Optical */ 2724 return MMC_CLASS_MO; 2725 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2726 case 0x08 : /* CD-ROM */ 2727 case 0x09 : /* CD-R */ 2728 case 0x0a : /* CD-RW */ 2729 return MMC_CLASS_CD; 2730 case 0x10 : /* DVD-ROM */ 2731 case 0x11 : /* DVD-R */ 2732 case 0x12 : /* DVD-RAM */ 2733 case 0x13 : /* DVD-RW restricted overwrite */ 2734 case 0x14 : /* DVD-RW sequential */ 2735 case 0x1a : /* DVD+RW */ 2736 case 0x1b : /* DVD+R */ 2737 case 0x2a : /* DVD+RW Dual layer */ 2738 case 0x2b : /* DVD+R Dual layer */ 2739 case 0x50 : /* HD DVD-ROM */ 2740 case 0x51 : /* HD DVD-R */ 2741 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2742 return MMC_CLASS_DVD; 2743 case 0x40 : /* BD-ROM */ 2744 case 0x41 : /* BD-R Sequential recording (SRM) */ 2745 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2746 case 0x43 : /* BD-RE */ 2747 return MMC_CLASS_BD; 2748 } 2749 return MMC_CLASS_UNKN; 2750 } 2751 2752 2753 /* 2754 * Drive/media combination is reflected in a series of features that can 2755 * either be current or dormant. We try to make sense out of them to create a 2756 * set of easy to use flags that abstract the device/media capabilities. 2757 */ 2758 2759 static void 2760 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2761 uint16_t feature, int cur, uint8_t *rpos) 2762 { 2763 uint32_t blockingnr; 2764 uint64_t flags; 2765 2766 if (cur == 1) { 2767 flags = mmc_discinfo->mmc_cur; 2768 } else { 2769 flags = mmc_discinfo->mmc_cap; 2770 } 2771 2772 switch (feature) { 2773 case 0x0010 : /* random readable feature */ 2774 blockingnr = rpos[5] | (rpos[4] << 8); 2775 if (blockingnr > 1) 2776 flags |= MMC_CAP_PACKET; 2777 2778 /* RW error page */ 2779 break; 2780 case 0x0020 : /* random writable feature */ 2781 flags |= MMC_CAP_RECORDABLE; 2782 flags |= MMC_CAP_REWRITABLE; 2783 blockingnr = rpos[9] | (rpos[8] << 8); 2784 if (blockingnr > 1) 2785 flags |= MMC_CAP_PACKET; 2786 break; 2787 case 0x0021 : /* incremental streaming write feature */ 2788 flags |= MMC_CAP_RECORDABLE; 2789 flags |= MMC_CAP_SEQUENTIAL; 2790 if (cur) 2791 mmc_discinfo->link_block_penalty = rpos[4]; 2792 if (rpos[2] & 1) 2793 flags |= MMC_CAP_ZEROLINKBLK; 2794 break; 2795 case 0x0022 : /* (obsolete) erase support feature */ 2796 flags |= MMC_CAP_RECORDABLE; 2797 flags |= MMC_CAP_ERASABLE; 2798 break; 2799 case 0x0023 : /* formatting media support feature */ 2800 flags |= MMC_CAP_RECORDABLE; 2801 flags |= MMC_CAP_FORMATTABLE; 2802 break; 2803 case 0x0024 : /* hardware assised defect management feature */ 2804 flags |= MMC_CAP_HW_DEFECTFREE; 2805 break; 2806 case 0x0025 : /* write once */ 2807 flags |= MMC_CAP_RECORDABLE; 2808 break; 2809 case 0x0026 : /* restricted overwrite feature */ 2810 flags |= MMC_CAP_RECORDABLE; 2811 flags |= MMC_CAP_REWRITABLE; 2812 flags |= MMC_CAP_STRICTOVERWRITE; 2813 break; 2814 case 0x0028 : /* MRW formatted media support feature */ 2815 flags |= MMC_CAP_MRW; 2816 break; 2817 case 0x002b : /* DVD+R read (and opt. write) support */ 2818 flags |= MMC_CAP_SEQUENTIAL; 2819 if (rpos[0] & 1) /* write support */ 2820 flags |= MMC_CAP_RECORDABLE; 2821 break; 2822 case 0x002c : /* rigid restricted overwrite feature */ 2823 flags |= MMC_CAP_RECORDABLE; 2824 flags |= MMC_CAP_REWRITABLE; 2825 flags |= MMC_CAP_STRICTOVERWRITE; 2826 if (rpos[0] & 1) /* blank bit */ 2827 flags |= MMC_CAP_BLANKABLE; 2828 break; 2829 case 0x002d : /* track at once recording feature */ 2830 flags |= MMC_CAP_RECORDABLE; 2831 flags |= MMC_CAP_SEQUENTIAL; 2832 break; 2833 case 0x002f : /* DVD-R/-RW write feature */ 2834 flags |= MMC_CAP_RECORDABLE; 2835 if (rpos[0] & 2) /* DVD-RW bit */ 2836 flags |= MMC_CAP_BLANKABLE; 2837 break; 2838 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2839 flags |= MMC_CAP_PSEUDOOVERWRITE; 2840 break; 2841 default : 2842 /* ignore */ 2843 break; 2844 } 2845 2846 if (cur == 1) { 2847 mmc_discinfo->mmc_cur = flags; 2848 } else { 2849 mmc_discinfo->mmc_cap = flags; 2850 } 2851 } 2852 2853 static int 2854 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2855 struct mmc_discinfo *mmc_discinfo) 2856 { 2857 struct scsipi_read_toc gtoc_cmd; 2858 struct scsipi_toc_header *toc_hdr; 2859 struct scsipi_toc_msinfo *toc_msinfo; 2860 const uint32_t buffer_size = 1024; 2861 uint32_t req_size; 2862 uint8_t *buffer; 2863 int error, flags; 2864 2865 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2866 /* 2867 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2868 * care' but others might be of interest to programs. 2869 */ 2870 2871 mmc_discinfo->disc_state = MMC_STATE_FULL; 2872 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2873 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2874 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2875 2876 /* get number of sessions and first tracknr in last session */ 2877 flags = XS_CTL_DATA_IN; 2878 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2879 gtoc_cmd.opcode = READ_TOC; 2880 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2881 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2882 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2883 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2884 _lto2b(req_size, gtoc_cmd.data_len); 2885 2886 error = scsipi_command(periph, 2887 (void *)>oc_cmd, sizeof(gtoc_cmd), 2888 (void *)buffer, req_size, 2889 CDRETRIES, 30000, NULL, flags); 2890 if (error) 2891 goto out; 2892 toc_hdr = (struct scsipi_toc_header *) buffer; 2893 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2894 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2895 mmc_discinfo->first_track = toc_hdr->first; 2896 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2897 2898 /* get last track of last session */ 2899 flags = XS_CTL_DATA_IN; 2900 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2901 req_size = sizeof(*toc_hdr); 2902 _lto2b(req_size, gtoc_cmd.data_len); 2903 2904 error = scsipi_command(periph, 2905 (void *)>oc_cmd, sizeof(gtoc_cmd), 2906 (void *)buffer, req_size, 2907 CDRETRIES, 30000, NULL, flags); 2908 if (error) 2909 goto out; 2910 toc_hdr = (struct scsipi_toc_header *) buffer; 2911 mmc_discinfo->last_track_last_session = toc_hdr->last; 2912 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2913 2914 /* TODO how to handle disc_barcode and disc_id */ 2915 /* done */ 2916 2917 out: 2918 free(buffer, M_TEMP); 2919 return error; 2920 } 2921 2922 static int 2923 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2924 struct mmc_discinfo *mmc_discinfo) 2925 { 2926 struct scsipi_read_toc gtoc_cmd; 2927 struct scsipi_toc_header toc_hdr; 2928 uint32_t req_size; 2929 int error, flags; 2930 2931 /* 2932 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2933 * care' but others might be of interest to programs. 2934 */ 2935 2936 mmc_discinfo->disc_state = MMC_STATE_FULL; 2937 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2938 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2939 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2940 2941 /* get number of sessions and first tracknr in last session */ 2942 flags = XS_CTL_DATA_IN; 2943 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2944 gtoc_cmd.opcode = READ_TOC; 2945 gtoc_cmd.addr_mode = 0; /* LBA */ 2946 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2947 gtoc_cmd.from_track = 1; /* first track */ 2948 req_size = sizeof(toc_hdr); 2949 _lto2b(req_size, gtoc_cmd.data_len); 2950 2951 error = scsipi_command(periph, 2952 (void *)>oc_cmd, sizeof(gtoc_cmd), 2953 (void *)&toc_hdr, req_size, 2954 CDRETRIES, 30000, NULL, flags); 2955 if (error) 2956 return error; 2957 2958 /* DVD-ROM squashes the track/session space */ 2959 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2960 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2961 mmc_discinfo->first_track = toc_hdr.first; 2962 mmc_discinfo->first_track_last_session = toc_hdr.last; 2963 mmc_discinfo->last_track_last_session = toc_hdr.last; 2964 2965 /* TODO how to handle disc_barcode and disc_id */ 2966 /* done */ 2967 return 0; 2968 } 2969 2970 static int 2971 mmc_getdiscinfo(struct scsipi_periph *periph, 2972 struct mmc_discinfo *mmc_discinfo) 2973 { 2974 struct scsipi_get_configuration gc_cmd; 2975 struct scsipi_get_conf_data *gc; 2976 struct scsipi_get_conf_feature *gcf; 2977 struct scsipi_read_discinfo di_cmd; 2978 struct scsipi_read_discinfo_data di; 2979 const uint32_t buffer_size = 1024; 2980 uint32_t feat_tbl_len, pos; 2981 u_long last_lba; 2982 uint8_t *buffer, *fpos; 2983 int feature, last_feature, features_len, feature_cur, feature_len; 2984 int lsb, msb, error, flags; 2985 2986 feat_tbl_len = buffer_size; 2987 2988 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2989 2990 /* initialise structure */ 2991 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2992 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2993 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2994 mmc_discinfo->mmc_cur = 0; 2995 mmc_discinfo->mmc_cap = 0; 2996 mmc_discinfo->link_block_penalty = 0; 2997 2998 /* determine mmc profile and class */ 2999 flags = XS_CTL_DATA_IN; 3000 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3001 gc_cmd.opcode = GET_CONFIGURATION; 3002 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3003 3004 gc = (struct scsipi_get_conf_data *) buffer; 3005 3006 error = scsipi_command(periph, 3007 (void *)&gc_cmd, sizeof(gc_cmd), 3008 (void *) gc, GET_CONF_NO_FEATURES_LEN, 3009 CDRETRIES, 30000, NULL, flags); 3010 if (error) 3011 goto out; 3012 3013 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 3014 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 3015 3016 /* assume 2048 sector size unless told otherwise */ 3017 mmc_discinfo->sector_size = 2048; 3018 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 3019 if (error) 3020 goto out; 3021 3022 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 3023 3024 /* Read in all features to determine device capabilities */ 3025 last_feature = feature = 0; 3026 do { 3027 /* determine mmc profile and class */ 3028 flags = XS_CTL_DATA_IN; 3029 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3030 gc_cmd.opcode = GET_CONFIGURATION; 3031 _lto2b(last_feature, gc_cmd.start_at_feature); 3032 _lto2b(feat_tbl_len, gc_cmd.data_len); 3033 memset(gc, 0, feat_tbl_len); 3034 3035 error = scsipi_command(periph, 3036 (void *)&gc_cmd, sizeof(gc_cmd), 3037 (void *) gc, feat_tbl_len, 3038 CDRETRIES, 30000, NULL, flags); 3039 if (error) { 3040 /* ieeek... break out of loop... i dunno what to do */ 3041 break; 3042 } 3043 3044 features_len = _4btol(gc->data_len); 3045 if (features_len < 4 || features_len > feat_tbl_len) 3046 break; 3047 3048 pos = 0; 3049 fpos = &gc->feature_desc[0]; 3050 while (pos < features_len - 4) { 3051 gcf = (struct scsipi_get_conf_feature *) fpos; 3052 3053 feature = _2btol(gcf->featurecode); 3054 feature_cur = gcf->flags & 1; 3055 feature_len = gcf->additional_length; 3056 3057 mmc_process_feature(mmc_discinfo, 3058 feature, feature_cur, 3059 gcf->feature_dependent); 3060 3061 last_feature = MAX(last_feature, feature); 3062 #ifdef DIAGNOSTIC 3063 /* assert((feature_len & 3) == 0); */ 3064 if ((feature_len & 3) != 0) { 3065 printf("feature %d having length %d\n", 3066 feature, feature_len); 3067 } 3068 #endif 3069 3070 pos += 4 + feature_len; 3071 fpos += 4 + feature_len; 3072 } 3073 /* unlikely to ever grow past our 1kb buffer */ 3074 } while (features_len >= 0xffff); 3075 3076 /* 3077 * Fixup CD-RW drives that are on crack. 3078 * 3079 * Some drives report the capability to incrementally write 3080 * sequentially on CD-R(W) media... nice, but this should not be 3081 * active for a fixed packet formatted CD-RW media. Other report the 3082 * ability of HW_DEFECTFREE even when the media is NOT MRW 3083 * formatted.... 3084 */ 3085 if (mmc_discinfo->mmc_profile == 0x0a) { 3086 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 3087 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 3088 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 3089 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3090 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 3091 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3092 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 3093 } else { 3094 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 3095 } 3096 } 3097 if (mmc_discinfo->mmc_profile == 0x09) { 3098 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 3099 } 3100 3101 #ifdef DEBUG 3102 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3103 mmc_discinfo->mmc_profile, 3104 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3105 #endif 3106 3107 /* read in disc state and number of sessions and tracks */ 3108 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3109 memset(&di_cmd, 0, sizeof(di_cmd)); 3110 di_cmd.opcode = READ_DISCINFO; 3111 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3112 3113 error = scsipi_command(periph, 3114 (void *)&di_cmd, sizeof(di_cmd), 3115 (void *)&di, READ_DISCINFO_BIGSIZE, 3116 CDRETRIES, 30000, NULL, flags); 3117 3118 if (error) { 3119 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3120 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3121 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3122 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3123 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3124 /* CD/DVD drive is violating specs */ 3125 error = EIO; 3126 goto out; 3127 } 3128 3129 /* call went OK */ 3130 mmc_discinfo->disc_state = di.disc_state & 3; 3131 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3132 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3133 3134 lsb = di.num_sessions_lsb; 3135 msb = di.num_sessions_msb; 3136 mmc_discinfo->num_sessions = lsb | (msb << 8); 3137 3138 mmc_discinfo->first_track = di.first_track; 3139 lsb = di.first_track_last_session_lsb; 3140 msb = di.first_track_last_session_msb; 3141 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3142 lsb = di.last_track_last_session_lsb; 3143 msb = di.last_track_last_session_msb; 3144 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3145 3146 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3147 mmc_discinfo->first_track + 1; 3148 3149 /* set misc. flags and parameters from this disc info */ 3150 if (di.disc_state & 16) 3151 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3152 3153 if (di.disc_state2 & 128) { 3154 mmc_discinfo->disc_id = _4btol(di.discid); 3155 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3156 } 3157 if (di.disc_state2 & 64) { 3158 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3159 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3160 } 3161 if (di.disc_state2 & 32) 3162 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3163 3164 if (di.disc_state2 & 16) { 3165 mmc_discinfo->application_code = di.application_code; 3166 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3167 } 3168 3169 /* done */ 3170 3171 out: 3172 free(buffer, M_TEMP); 3173 return error; 3174 } 3175 3176 static int 3177 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3178 struct mmc_trackinfo *trackinfo) 3179 { 3180 struct scsipi_read_toc gtoc_cmd; 3181 struct scsipi_toc_header *toc_hdr; 3182 struct scsipi_toc_rawtoc *rawtoc; 3183 uint32_t track_start, track_size; 3184 uint32_t last_recorded, next_writable; 3185 uint32_t lba, next_track_start, lead_out; 3186 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3187 uint8_t *buffer; 3188 uint8_t track_sessionnr, sessionnr, adr, tno, point; 3189 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 3190 int size, req_size; 3191 int error, flags; 3192 3193 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3194 3195 /* 3196 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3197 * 3198 * Not all information is present and this presents a problem. Track 3199 * starts are known for each track but other values are deducted. 3200 * 3201 * For a complete overview of `magic' values used here, see the 3202 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3203 * names, they are specified as numbers. 3204 */ 3205 3206 /* get raw toc to process, first header to check size */ 3207 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3208 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3209 gtoc_cmd.opcode = READ_TOC; 3210 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3211 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3212 gtoc_cmd.from_track = 1; /* first session */ 3213 req_size = sizeof(*toc_hdr); 3214 _lto2b(req_size, gtoc_cmd.data_len); 3215 3216 error = scsipi_command(periph, 3217 (void *)>oc_cmd, sizeof(gtoc_cmd), 3218 (void *)buffer, req_size, 3219 CDRETRIES, 30000, NULL, flags); 3220 if (error) 3221 goto out; 3222 toc_hdr = (struct scsipi_toc_header *) buffer; 3223 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3224 #ifdef DIAGNOSTIC 3225 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3226 #endif 3227 error = ENOBUFS; 3228 goto out; 3229 } 3230 3231 /* read in complete raw toc */ 3232 req_size = _2btol(toc_hdr->length); 3233 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 3234 _lto2b(req_size, gtoc_cmd.data_len); 3235 3236 error = scsipi_command(periph, 3237 (void *)>oc_cmd, sizeof(gtoc_cmd), 3238 (void *)buffer, req_size, 3239 CDRETRIES, 30000, NULL, flags); 3240 if (error) 3241 goto out; 3242 3243 toc_hdr = (struct scsipi_toc_header *) buffer; 3244 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3245 3246 track_start = 0; 3247 track_size = 0; 3248 last_recorded = 0; 3249 next_writable = 0; 3250 flags = 0; 3251 3252 next_track_start = 0; 3253 track_sessionnr = MAXTRACK; /* by definition */ 3254 lead_out = 0; 3255 3256 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3257 while (size > 0) { 3258 /* get track start and session end */ 3259 tno = rawtoc->tno; 3260 sessionnr = rawtoc->sessionnr; 3261 adr = rawtoc->adrcontrol >> 4; 3262 control = rawtoc->adrcontrol & 0xf; 3263 point = rawtoc->point; 3264 tmin = rawtoc->min; 3265 tsec = rawtoc->sec; 3266 tframe = rawtoc->frame; 3267 pmin = rawtoc->pmin; 3268 psec = rawtoc->psec; 3269 pframe = rawtoc->pframe; 3270 3271 if (tno == 0 && sessionnr && adr == 1) { 3272 lba = hmsf2lba(0, pmin, psec, pframe); 3273 if (point == trackinfo->tracknr) { 3274 track_start = lba; 3275 track_sessionnr = sessionnr; 3276 } 3277 if (point == trackinfo->tracknr + 1) { 3278 /* estimate size */ 3279 track_size = lba - track_start; 3280 next_track_start = lba; 3281 } 3282 if (point == 0xa2) { 3283 lead_out = lba; 3284 } 3285 if (point <= 0x63) { 3286 /* CD's ok, DVD are glued */ 3287 /* last_tracknr = point; */ 3288 } 3289 if (sessionnr == track_sessionnr) { 3290 last_recorded = lead_out; 3291 } 3292 } 3293 if (tno == 0 && sessionnr && adr == 5) { 3294 lba = hmsf2lba(0, tmin, tsec, tframe); 3295 if (sessionnr == track_sessionnr) { 3296 next_writable = lba; 3297 } 3298 } 3299 3300 if ((control & (3<<2)) == 4) /* 01xxb */ 3301 flags |= MMC_TRACKINFO_DATA; 3302 if ((control & (1<<2)) == 0) { /* x0xxb */ 3303 flags |= MMC_TRACKINFO_AUDIO; 3304 if (control & 1) /* xxx1b */ 3305 flags |= MMC_TRACKINFO_PRE_EMPH; 3306 } 3307 3308 rawtoc++; 3309 size -= sizeof(struct scsipi_toc_rawtoc); 3310 } 3311 3312 /* process found values; some voodoo */ 3313 /* if no tracksize tracknr is the last of the disc */ 3314 if ((track_size == 0) && last_recorded) { 3315 track_size = last_recorded - track_start; 3316 } 3317 /* if last_recorded < tracksize, tracksize is overestimated */ 3318 if (last_recorded) { 3319 if (last_recorded - track_start <= track_size) { 3320 track_size = last_recorded - track_start; 3321 flags |= MMC_TRACKINFO_LRA_VALID; 3322 } 3323 } 3324 /* check if its a the last track of the sector */ 3325 if (next_writable) { 3326 if (next_track_start > next_writable) 3327 flags |= MMC_TRACKINFO_NWA_VALID; 3328 } 3329 3330 /* no flag set -> no values */ 3331 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3332 last_recorded = 0; 3333 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3334 next_writable = 0; 3335 3336 /* fill in */ 3337 /* trackinfo->tracknr preserved */ 3338 trackinfo->sessionnr = track_sessionnr; 3339 trackinfo->track_mode = 7; /* data, incremental */ 3340 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3341 3342 trackinfo->flags = flags; 3343 trackinfo->track_start = track_start; 3344 trackinfo->next_writable = next_writable; 3345 trackinfo->free_blocks = 0; 3346 trackinfo->packet_size = 1; 3347 trackinfo->track_size = track_size; 3348 trackinfo->last_recorded = last_recorded; 3349 3350 out: 3351 free(buffer, M_TEMP); 3352 return error; 3353 3354 } 3355 3356 static int 3357 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3358 struct mmc_trackinfo *trackinfo) 3359 { 3360 struct scsipi_read_toc gtoc_cmd; 3361 struct scsipi_toc_header *toc_hdr; 3362 struct scsipi_toc_formatted *toc; 3363 uint32_t tracknr, track_start, track_size; 3364 uint32_t lba, lead_out; 3365 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3366 uint8_t *buffer; 3367 uint8_t control, last_tracknr; 3368 int size, req_size; 3369 int error, flags; 3370 3371 3372 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3373 /* 3374 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3375 * CD-ROM emulation uses since the specification tells us that no such 3376 * thing is defined for DVD's. The reason for this is due to the large 3377 * number of tracks and that would clash with the `magic' values. This 3378 * suxs. 3379 * 3380 * Not all information is present and this presents a problem. 3381 * Track starts are known for each track but other values are 3382 * deducted. 3383 */ 3384 3385 /* get formatted toc to process, first header to check size */ 3386 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3387 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3388 gtoc_cmd.opcode = READ_TOC; 3389 gtoc_cmd.addr_mode = 0; /* lba's please */ 3390 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3391 gtoc_cmd.from_track = 1; /* first track */ 3392 req_size = sizeof(*toc_hdr); 3393 _lto2b(req_size, gtoc_cmd.data_len); 3394 3395 error = scsipi_command(periph, 3396 (void *)>oc_cmd, sizeof(gtoc_cmd), 3397 (void *)buffer, req_size, 3398 CDRETRIES, 30000, NULL, flags); 3399 if (error) 3400 goto out; 3401 toc_hdr = (struct scsipi_toc_header *) buffer; 3402 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3403 #ifdef DIAGNOSTIC 3404 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3405 #endif 3406 error = ENOBUFS; 3407 goto out; 3408 } 3409 3410 /* read in complete formatted toc */ 3411 req_size = _2btol(toc_hdr->length); 3412 _lto2b(req_size, gtoc_cmd.data_len); 3413 3414 error = scsipi_command(periph, 3415 (void *)>oc_cmd, sizeof(gtoc_cmd), 3416 (void *)buffer, req_size, 3417 CDRETRIES, 30000, NULL, flags); 3418 if (error) 3419 goto out; 3420 3421 toc_hdr = (struct scsipi_toc_header *) buffer; 3422 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3423 3424 /* as in read disc info, all sessions are converted to tracks */ 3425 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3426 /* last track -> we got the size from the lead-out */ 3427 3428 tracknr = 0; 3429 last_tracknr = toc_hdr->last; 3430 track_start = 0; 3431 track_size = 0; 3432 lead_out = 0; 3433 flags = 0; 3434 3435 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3436 while (size > 0) { 3437 /* remember, DVD-ROM: tracknr == sessionnr */ 3438 lba = _4btol(toc->msf_lba); 3439 tracknr = toc->tracknr; 3440 control = toc->adrcontrol & 0xf; 3441 3442 if (trackinfo->tracknr == tracknr) { 3443 track_start = lba; 3444 } 3445 if (trackinfo->tracknr == tracknr+1) { 3446 track_size = lba - track_start; 3447 track_size -= 16; /* link block ? */ 3448 } 3449 if (tracknr == 0xAA) { 3450 lead_out = lba; 3451 } 3452 3453 if ((control & (3<<2)) == 4) /* 01xxb */ 3454 flags |= MMC_TRACKINFO_DATA; 3455 if ((control & (1<<2)) == 0) { /* x0xxb */ 3456 flags |= MMC_TRACKINFO_AUDIO; 3457 if (control & (1<<3)) /* 10xxb */ 3458 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3459 if (control & 1) /* xxx1b */ 3460 flags |= MMC_TRACKINFO_PRE_EMPH; 3461 } 3462 3463 toc++; 3464 size -= sizeof(struct scsipi_toc_formatted); 3465 } 3466 if (trackinfo->tracknr == last_tracknr) { 3467 track_size = lead_out - track_start; 3468 } 3469 3470 /* fill in */ 3471 /* trackinfo->tracknr preserved */ 3472 trackinfo->sessionnr = trackinfo->tracknr; 3473 trackinfo->track_mode = 0; /* unknown */ 3474 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3475 3476 trackinfo->flags = flags; 3477 trackinfo->track_start = track_start; 3478 trackinfo->next_writable = 0; 3479 trackinfo->free_blocks = 0; 3480 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3481 trackinfo->track_size = track_size; 3482 trackinfo->last_recorded = 0; 3483 3484 out: 3485 free(buffer, M_TEMP); 3486 return error; 3487 } 3488 3489 static int 3490 mmc_gettrackinfo(struct scsipi_periph *periph, 3491 struct mmc_trackinfo *trackinfo) 3492 { 3493 struct scsipi_read_trackinfo ti_cmd; 3494 struct scsipi_read_trackinfo_data ti; 3495 struct scsipi_get_configuration gc_cmd; 3496 struct scsipi_get_conf_data gc; 3497 int error, flags; 3498 int mmc_profile; 3499 3500 /* set up SCSI call with track number from trackinfo.tracknr */ 3501 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3502 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3503 ti_cmd.opcode = READ_TRACKINFO; 3504 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3505 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3506 3507 /* trackinfo.tracknr contains number of tracks to query */ 3508 _lto4b(trackinfo->tracknr, ti_cmd.address); 3509 error = scsipi_command(periph, 3510 (void *)&ti_cmd, sizeof(ti_cmd), 3511 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3512 CDRETRIES, 30000, NULL, flags); 3513 3514 if (error) { 3515 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3516 /* first determine mmc profile */ 3517 flags = XS_CTL_DATA_IN; 3518 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3519 gc_cmd.opcode = GET_CONFIGURATION; 3520 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3521 3522 error = scsipi_command(periph, 3523 (void *)&gc_cmd, sizeof(gc_cmd), 3524 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3525 CDRETRIES, 30000, NULL, flags); 3526 if (error) 3527 return error; 3528 mmc_profile = _2btol(gc.mmc_profile); 3529 3530 /* choose emulation */ 3531 if (mmc_profile == 0x08) /* CD-ROM */ 3532 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3533 if (mmc_profile == 0x10) /* DVD-ROM */ 3534 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3535 /* CD/DVD drive is violating specs */ 3536 return EIO; 3537 } 3538 3539 /* (re)initialise structure */ 3540 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3541 3542 /* account for short returns screwing up track and session msb */ 3543 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3544 ti.track_msb = 0; 3545 ti.session_msb = 0; 3546 } 3547 3548 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3549 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3550 trackinfo->track_mode = ti.track_info_1 & 0xf; 3551 trackinfo->data_mode = ti.track_info_2 & 0xf; 3552 3553 flags = 0; 3554 if (ti.track_info_1 & 0x10) 3555 flags |= MMC_TRACKINFO_COPY; 3556 if (ti.track_info_1 & 0x20) 3557 flags |= MMC_TRACKINFO_DAMAGED; 3558 if (ti.track_info_2 & 0x10) 3559 flags |= MMC_TRACKINFO_FIXED_PACKET; 3560 if (ti.track_info_2 & 0x20) 3561 flags |= MMC_TRACKINFO_INCREMENTAL; 3562 if (ti.track_info_2 & 0x40) 3563 flags |= MMC_TRACKINFO_BLANK; 3564 if (ti.track_info_2 & 0x80) 3565 flags |= MMC_TRACKINFO_RESERVED; 3566 if (ti.data_valid & 0x01) 3567 flags |= MMC_TRACKINFO_NWA_VALID; 3568 if (ti.data_valid & 0x02) 3569 flags |= MMC_TRACKINFO_LRA_VALID; 3570 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3571 flags |= MMC_TRACKINFO_DATA; 3572 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3573 flags |= MMC_TRACKINFO_AUDIO; 3574 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3575 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3576 if (trackinfo->track_mode & 1) /* xxx1b */ 3577 flags |= MMC_TRACKINFO_PRE_EMPH; 3578 } 3579 3580 trackinfo->flags = flags; 3581 trackinfo->track_start = _4btol(ti.track_start); 3582 trackinfo->next_writable = _4btol(ti.next_writable); 3583 trackinfo->free_blocks = _4btol(ti.free_blocks); 3584 trackinfo->packet_size = _4btol(ti.packet_size); 3585 trackinfo->track_size = _4btol(ti.track_size); 3586 trackinfo->last_recorded = _4btol(ti.last_recorded); 3587 3588 return 0; 3589 } 3590 3591 static int 3592 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3593 struct scsipi_close_tracksession close_cmd; 3594 int error, flags; 3595 3596 /* set up SCSI call with track number */ 3597 flags = XS_CTL_DATA_OUT; 3598 memset(&close_cmd, 0, sizeof(close_cmd)); 3599 close_cmd.opcode = CLOSE_TRACKSESSION; 3600 close_cmd.function = func; 3601 _lto2b(param, close_cmd.tracksessionnr); 3602 3603 error = scsipi_command(periph, 3604 (void *) &close_cmd, sizeof(close_cmd), 3605 NULL, 0, 3606 CDRETRIES, 120000, NULL, flags); 3607 3608 return error; 3609 } 3610 3611 static int 3612 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3613 { 3614 int mmc_profile = mmc_op->mmc_profile; 3615 3616 switch (mmc_profile) { 3617 case 0x12 : /* DVD-RAM */ 3618 case 0x1a : /* DVD+RW */ 3619 case 0x2a : /* DVD+RW Dual layer */ 3620 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3621 case 0x43 : /* BD-RE */ 3622 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3623 return EINVAL; 3624 } 3625 3626 return mmc_doclose(periph, mmc_op->tracknr, 1); 3627 } 3628 3629 static int 3630 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3631 { 3632 uint8_t blob[MS5LEN], *page5; 3633 int mmc_profile = mmc_op->mmc_profile; 3634 int func, close, flags; 3635 int error; 3636 3637 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3638 3639 switch (mmc_profile) { 3640 case 0x09 : /* CD-R */ 3641 case 0x0a : /* CD-RW */ 3642 /* Special case : need to update MS field in mode page 5 */ 3643 memset(blob, 0, sizeof(blob)); 3644 page5 = blob+8; 3645 3646 flags = XS_CTL_DATA_IN; 3647 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3648 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3649 if (error) 3650 return error; 3651 3652 /* set multi session field when closing a session only */ 3653 page5[3] &= 63; 3654 if (close) 3655 page5[3] |= 3 << 6; 3656 3657 flags = XS_CTL_DATA_OUT; 3658 error = scsipi_mode_select_big(periph, SMS_PF, 3659 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3660 if (error) 3661 return error; 3662 /* and use funtion 2 */ 3663 func = 2; 3664 break; 3665 case 0x11 : /* DVD-R (DL) */ 3666 case 0x13 : /* DVD-RW restricted overwrite */ 3667 case 0x14 : /* DVD-RW sequential */ 3668 func = close ? 2 : 3; 3669 break; 3670 case 0x1b : /* DVD+R */ 3671 case 0x2b : /* DVD+R Dual layer */ 3672 case 0x51 : /* HD DVD-R */ 3673 case 0x41 : /* BD-R Sequential recording (SRM) */ 3674 func = close ? 2 : 6; 3675 break; 3676 case 0x12 : /* DVD-RAM */ 3677 case 0x1a : /* DVD+RW */ 3678 case 0x2a : /* DVD+RW Dual layer */ 3679 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3680 case 0x43 : /* BD-RE */ 3681 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3682 return EINVAL; 3683 default: 3684 printf("MMC close/finalise passed wrong device type! (%d)\n", 3685 mmc_profile); 3686 return EINVAL; 3687 } 3688 3689 return mmc_doclose(periph, mmc_op->sessionnr, func); 3690 } 3691 3692 static int 3693 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3694 { 3695 struct scsipi_reserve_track reserve_cmd; 3696 uint32_t extent; 3697 int error, flags; 3698 3699 /* TODO make mmc safeguards? */ 3700 extent = mmc_op->extent; 3701 /* TODO min/max support? */ 3702 3703 /* set up SCSI call with requested space */ 3704 flags = XS_CTL_DATA_OUT; 3705 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3706 reserve_cmd.opcode = RESERVE_TRACK; 3707 _lto4b(extent, reserve_cmd.reservation_size); 3708 3709 error = scsipi_command(periph, 3710 (void *) &reserve_cmd, sizeof(reserve_cmd), 3711 NULL, 0, 3712 CDRETRIES, 30000, NULL, flags); 3713 3714 return error; 3715 } 3716 3717 static int 3718 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3719 { 3720 /* XXX assumes that NWA given is valid */ 3721 switch (mmc_op->mmc_profile) { 3722 case 0x09 : /* CD-R */ 3723 /* XXX unknown boundary checks XXX */ 3724 if (mmc_op->extent <= 152) 3725 return EINVAL; 3726 /* CD-R takes 152 sectors to close track */ 3727 mmc_op->extent -= 152; 3728 return mmc_do_reserve_track(periph, mmc_op); 3729 case 0x11 : /* DVD-R (DL) */ 3730 case 0x1b : /* DVD+R */ 3731 case 0x2b : /* DVD+R Dual layer */ 3732 if (mmc_op->extent % 16) 3733 return EINVAL; 3734 /* upto one ECC block of 16 sectors lost */ 3735 mmc_op->extent -= 16; 3736 return mmc_do_reserve_track(periph, mmc_op); 3737 case 0x41 : /* BD-R Sequential recording (SRM) */ 3738 case 0x51 : /* HD DVD-R */ 3739 if (mmc_op->extent % 32) 3740 return EINVAL; 3741 /* one ECC block of 32 sectors lost (AFAIK) */ 3742 mmc_op->extent -= 32; 3743 return mmc_do_reserve_track(periph, mmc_op); 3744 } 3745 3746 /* unknown behaviour or invalid disc type */ 3747 return EINVAL; 3748 } 3749 3750 static int 3751 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3752 { 3753 struct scsipi_repair_track repair_cmd; 3754 int error, flags; 3755 3756 /* TODO make mmc safeguards? */ 3757 3758 /* set up SCSI call with track number */ 3759 flags = XS_CTL_DATA_OUT; 3760 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3761 repair_cmd.opcode = REPAIR_TRACK; 3762 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3763 3764 error = scsipi_command(periph, 3765 (void *) &repair_cmd, sizeof(repair_cmd), 3766 NULL, 0, 3767 CDRETRIES, 30000, NULL, flags); 3768 3769 return error; 3770 } 3771 3772 static int 3773 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3774 { 3775 /* guard operation value */ 3776 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3777 return EINVAL; 3778 3779 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3780 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3781 return cdcachesync(periph, 0); 3782 3783 /* zero mmc_profile means unknown disc so operations are not defined */ 3784 if (mmc_op->mmc_profile == 0) { 3785 #ifdef DEBUG 3786 printf("mmc_do_op called with mmc_profile = 0\n"); 3787 #endif 3788 return EINVAL; 3789 } 3790 3791 /* do the operations */ 3792 switch (mmc_op->operation) { 3793 case MMC_OP_CLOSETRACK : 3794 return mmc_do_closetrack(periph, mmc_op); 3795 case MMC_OP_CLOSESESSION : 3796 case MMC_OP_FINALISEDISC : 3797 return mmc_do_close_or_finalise(periph, mmc_op); 3798 case MMC_OP_RESERVETRACK : 3799 return mmc_do_reserve_track(periph, mmc_op); 3800 case MMC_OP_RESERVETRACK_NWA : 3801 return mmc_do_reserve_track_nwa(periph, mmc_op); 3802 case MMC_OP_REPAIRTRACK : 3803 return mmc_do_repair_track(periph, mmc_op); 3804 case MMC_OP_UNCLOSELASTSESSION : 3805 /* TODO unclose last session support */ 3806 return EINVAL; 3807 default : 3808 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3809 } 3810 3811 return EINVAL; 3812 } 3813 3814 static int 3815 mmc_setup_writeparams(struct scsipi_periph *periph, 3816 struct mmc_writeparams *mmc_writeparams) 3817 { 3818 struct mmc_trackinfo trackinfo; 3819 uint8_t blob[MS5LEN]; 3820 uint8_t *page5; 3821 int flags, error; 3822 int track_mode, data_mode; 3823 3824 /* setup mode page 5 for CD only */ 3825 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3826 return 0; 3827 3828 memset(blob, 0, sizeof(blob)); 3829 page5 = blob+8; 3830 3831 /* read mode page 5 (with header) */ 3832 flags = XS_CTL_DATA_IN; 3833 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3834 sizeof(blob), flags, CDRETRIES, 20000); 3835 if (error) 3836 return error; 3837 3838 /* set page length for reasurance */ 3839 page5[1] = P5LEN; /* page length */ 3840 3841 /* write type packet/incremental */ 3842 page5[2] &= 0xf0; 3843 3844 /* set specified mode parameters */ 3845 track_mode = mmc_writeparams->track_mode; 3846 data_mode = mmc_writeparams->data_mode; 3847 if (track_mode <= 0 || track_mode > 15) 3848 return EINVAL; 3849 if (data_mode < 1 || data_mode > 2) 3850 return EINVAL; 3851 3852 /* if a tracknr is passed, setup according to the track */ 3853 if (mmc_writeparams->tracknr > 0) { 3854 trackinfo.tracknr = mmc_writeparams->tracknr; 3855 error = mmc_gettrackinfo(periph, &trackinfo); 3856 if (error) 3857 return error; 3858 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3859 track_mode = trackinfo.track_mode; 3860 data_mode = trackinfo.data_mode; 3861 } 3862 mmc_writeparams->blockingnr = trackinfo.packet_size; 3863 } 3864 3865 /* copy track mode and data mode from trackinfo */ 3866 page5[3] &= 16; /* keep only `Copy' bit */ 3867 page5[3] |= (3 << 6) | track_mode; 3868 page5[4] &= 0xf0; /* wipe data block type */ 3869 if (data_mode == 1) { 3870 /* select ISO mode 1 (CD only) */ 3871 page5[4] |= 8; 3872 /* select session format normal disc (CD only) */ 3873 page5[8] = 0; 3874 } else { 3875 /* select ISO mode 2; XA form 1 (CD only) */ 3876 page5[4] |= 10; 3877 /* select session format CD-ROM XA disc (CD only) */ 3878 page5[8] = 0x20; 3879 } 3880 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3881 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3882 /* set BUFE buffer underrun protection */ 3883 page5[2] |= 1<<6; 3884 } 3885 /* allow for multi session */ 3886 page5[3] |= 3 << 6; 3887 } else { 3888 /* select fixed packets */ 3889 page5[3] |= 1<<5; 3890 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3891 } 3892 3893 /* write out updated mode page 5 (with header) */ 3894 flags = XS_CTL_DATA_OUT; 3895 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3896 sizeof(blob), flags, CDRETRIES, 20000); 3897 if (error) 3898 return error; 3899 3900 return 0; 3901 } 3902 3903 static void 3904 cd_set_geometry(struct cd_softc *cd) 3905 { 3906 struct disk_geom *dg = &cd->sc_dk.dk_geom; 3907 3908 memset(dg, 0, sizeof(*dg)); 3909 3910 dg->dg_secperunit = cd->params.disksize; 3911 dg->dg_secsize = cd->params.blksize; 3912 3913 disk_set_info(cd->sc_dev, &cd->sc_dk, NULL); 3914 } 3915