1 /* $NetBSD: cd.c,v 1.297 2010/01/06 20:16:57 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 1.297 2010/01/06 20:16:57 martin Exp $"); 54 55 #include "rnd.h" 56 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/kernel.h> 60 #include <sys/file.h> 61 #include <sys/stat.h> 62 #include <sys/ioctl.h> 63 #include <sys/buf.h> 64 #include <sys/bufq.h> 65 #include <sys/uio.h> 66 #include <sys/malloc.h> 67 #include <sys/errno.h> 68 #include <sys/device.h> 69 #include <sys/disklabel.h> 70 #include <sys/disk.h> 71 #include <sys/cdio.h> 72 #include <sys/dvdio.h> 73 #include <sys/scsiio.h> 74 #include <sys/proc.h> 75 #include <sys/conf.h> 76 #include <sys/vnode.h> 77 #if NRND > 0 78 #include <sys/rnd.h> 79 #endif 80 81 #include <dev/scsipi/scsi_spc.h> 82 #include <dev/scsipi/scsipi_all.h> 83 #include <dev/scsipi/scsipi_cd.h> 84 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 85 #include <dev/scsipi/scsi_all.h> 86 /* from there */ 87 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 88 #include <dev/scsipi/scsipiconf.h> 89 #include <dev/scsipi/scsipi_base.h> 90 #include <dev/scsipi/cdvar.h> 91 92 #include <prop/proplib.h> 93 94 #define CDUNIT(z) DISKUNIT(z) 95 #define CDPART(z) DISKPART(z) 96 #define CDMINOR(unit, part) DISKMINOR(unit, part) 97 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 98 99 #define MAXTRACK 99 100 #define CD_BLOCK_OFFSET 150 101 #define CD_FRAMES 75 102 #define CD_SECS 60 103 104 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 105 #define CD_TOC_MSINFO 1 /* multi-session info */ 106 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 107 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 108 #define CD_TOC_ATIP 4 /* pressed space of recordable */ 109 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 110 111 #define P5LEN 0x32 112 #define MS5LEN (P5LEN + 8 + 2) 113 114 struct cd_formatted_toc { 115 struct ioc_toc_header header; 116 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 117 /* leadout */ 118 }; 119 120 struct cdbounce { 121 struct buf *obp; /* original buf */ 122 int doff; /* byte offset in orig. buf */ 123 int soff; /* byte offset in bounce buf */ 124 int resid; /* residual i/o in orig. buf */ 125 int bcount; /* actual obp bytes in bounce */ 126 }; 127 128 static void cdstart(struct scsipi_periph *); 129 static void cdrestart(void *); 130 static void cdminphys(struct buf *); 131 static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 132 struct disklabel *); 133 static void cdgetdisklabel(struct cd_softc *); 134 static void cddone(struct scsipi_xfer *, int); 135 static void cdbounce(struct buf *); 136 static int cd_interpret_sense(struct scsipi_xfer *); 137 static u_long cd_size(struct cd_softc *, int); 138 static int cd_play(struct cd_softc *, int, int); 139 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 140 int, int, int, int); 141 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 142 static int cd_pause(struct cd_softc *, int); 143 static int cd_reset(struct cd_softc *); 144 static int cd_read_subchannel(struct cd_softc *, int, int, int, 145 struct cd_sub_channel_info *, int, int); 146 static int cd_read_toc(struct cd_softc *, int, int, int, 147 struct cd_formatted_toc *, int, int, int); 148 static int cd_get_parms(struct cd_softc *, int); 149 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 150 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 151 static int cdcachesync(struct scsipi_periph *periph, int flags); 152 153 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 154 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 155 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 156 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 157 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 158 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 159 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 160 161 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 162 int, int *); 163 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 164 int, int); 165 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 166 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 167 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 168 static int cd_set_pa_immed(struct cd_softc *, int); 169 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 170 static int cd_setblksize(struct cd_softc *); 171 172 static int cdmatch(device_t, cfdata_t, void *); 173 static void cdattach(device_t, device_t, void *); 174 static int cddetach(device_t, int); 175 176 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 177 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 178 static int mmc_do_op(struct scsipi_periph *, struct mmc_op *); 179 static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *); 180 181 static void cd_set_properties(struct cd_softc *); 182 183 CFATTACH_DECL3_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 184 NULL, NULL, NULL, DVF_DETACH_SHUTDOWN); 185 186 extern struct cfdriver cd_cd; 187 188 static const struct scsipi_inquiry_pattern cd_patterns[] = { 189 {T_CDROM, T_REMOV, 190 "", "", ""}, 191 {T_WORM, T_REMOV, 192 "", "", ""}, 193 #if 0 194 {T_CDROM, T_REMOV, /* more luns */ 195 "PIONEER ", "CD-ROM DRM-600 ", ""}, 196 #endif 197 {T_DIRECT, T_REMOV, 198 "NEC CD-ROM DRIVE:260", "", ""}, 199 }; 200 201 static dev_type_open(cdopen); 202 static dev_type_close(cdclose); 203 static dev_type_read(cdread); 204 static dev_type_write(cdwrite); 205 static dev_type_ioctl(cdioctl); 206 static dev_type_strategy(cdstrategy); 207 static dev_type_dump(cddump); 208 static dev_type_size(cdsize); 209 210 const struct bdevsw cd_bdevsw = { 211 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 212 }; 213 214 const struct cdevsw cd_cdevsw = { 215 cdopen, cdclose, cdread, cdwrite, cdioctl, 216 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 217 }; 218 219 static struct dkdriver cddkdriver = { cdstrategy, NULL }; 220 221 static const struct scsipi_periphsw cd_switch = { 222 cd_interpret_sense, /* use our error handler first */ 223 cdstart, /* we have a queue, which is started by this */ 224 NULL, /* we do not have an async handler */ 225 cddone, /* deal with stats at interrupt time */ 226 }; 227 228 /* 229 * The routine called by the low level scsi routine when it discovers 230 * A device suitable for this driver 231 */ 232 static int 233 cdmatch(device_t parent, cfdata_t match, void *aux) 234 { 235 struct scsipibus_attach_args *sa = aux; 236 int priority; 237 238 (void)scsipi_inqmatch(&sa->sa_inqbuf, 239 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 240 sizeof(cd_patterns[0]), &priority); 241 242 return (priority); 243 } 244 245 static void 246 cdattach(device_t parent, device_t self, void *aux) 247 { 248 struct cd_softc *cd = device_private(self); 249 struct scsipibus_attach_args *sa = aux; 250 struct scsipi_periph *periph = sa->sa_periph; 251 252 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 253 254 cd->sc_dev = self; 255 256 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 257 258 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 259 periph->periph_version == 0) 260 cd->flags |= CDF_ANCIENT; 261 262 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 263 264 callout_init(&cd->sc_callout, 0); 265 266 /* 267 * Store information needed to contact our base driver 268 */ 269 cd->sc_periph = periph; 270 271 periph->periph_dev = cd->sc_dev; 272 periph->periph_switch = &cd_switch; 273 274 /* 275 * Increase our openings to the maximum-per-periph 276 * supported by the adapter. This will either be 277 * clamped down or grown by the adapter if necessary. 278 */ 279 periph->periph_openings = 280 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 281 periph->periph_flags |= PERIPH_GROW_OPENINGS; 282 283 /* 284 * Initialize and attach the disk structure. 285 */ 286 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver); 287 disk_attach(&cd->sc_dk); 288 289 aprint_normal("\n"); 290 291 #if NRND > 0 292 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev), 293 RND_TYPE_DISK, 0); 294 #endif 295 296 if (!pmf_device_register(self, NULL, NULL)) 297 aprint_error_dev(self, "couldn't establish power handler\n"); 298 } 299 300 static int 301 cddetach(device_t self, int flags) 302 { 303 struct cd_softc *cd = device_private(self); 304 int s, bmaj, cmaj, i, mn; 305 306 /* locate the major number */ 307 bmaj = bdevsw_lookup_major(&cd_bdevsw); 308 cmaj = cdevsw_lookup_major(&cd_cdevsw); 309 /* Nuke the vnodes for any open instances */ 310 for (i = 0; i < MAXPARTITIONS; i++) { 311 mn = CDMINOR(device_unit(self), i); 312 vdevgone(bmaj, mn, mn, VBLK); 313 vdevgone(cmaj, mn, mn, VCHR); 314 } 315 316 /* kill any pending restart */ 317 callout_stop(&cd->sc_callout); 318 319 s = splbio(); 320 321 /* Kill off any queued buffers. */ 322 bufq_drain(cd->buf_queue); 323 324 bufq_free(cd->buf_queue); 325 326 /* Kill off any pending commands. */ 327 scsipi_kill_pending(cd->sc_periph); 328 329 splx(s); 330 331 mutex_destroy(&cd->sc_lock); 332 333 /* Detach from the disk list. */ 334 disk_detach(&cd->sc_dk); 335 disk_destroy(&cd->sc_dk); 336 337 #if NRND > 0 338 /* Unhook the entropy source. */ 339 rnd_detach_source(&cd->rnd_source); 340 #endif 341 342 return (0); 343 } 344 345 /* 346 * open the device. Make sure the partition info is a up-to-date as can be. 347 */ 348 static int 349 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 350 { 351 struct cd_softc *cd; 352 struct scsipi_periph *periph; 353 struct scsipi_adapter *adapt; 354 int part; 355 int error; 356 int rawpart; 357 358 cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 359 if (cd == NULL) 360 return (ENXIO); 361 362 periph = cd->sc_periph; 363 adapt = periph->periph_channel->chan_adapter; 364 part = CDPART(dev); 365 366 SC_DEBUG(periph, SCSIPI_DB1, 367 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %"PRId32")\n",dev, 368 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev))); 369 370 /* 371 * If this is the first open of this device, add a reference 372 * to the adapter. 373 */ 374 if (cd->sc_dk.dk_openmask == 0 && 375 (error = scsipi_adapter_addref(adapt)) != 0) 376 return (error); 377 378 mutex_enter(&cd->sc_lock); 379 380 rawpart = (part == RAW_PART && fmt == S_IFCHR); 381 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 382 /* 383 * If any partition is open, but the disk has been invalidated, 384 * disallow further opens. 385 */ 386 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 387 !rawpart) { 388 error = EIO; 389 goto bad3; 390 } 391 } else { 392 int silent; 393 394 if (rawpart) 395 silent = XS_CTL_SILENT; 396 else 397 silent = 0; 398 399 /* Check that it is still responding and ok. */ 400 error = scsipi_test_unit_ready(periph, 401 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 402 silent); 403 404 /* 405 * Start the pack spinning if necessary. Always allow the 406 * raw parition to be opened, for raw IOCTLs. Data transfers 407 * will check for SDEV_MEDIA_LOADED. 408 */ 409 if (error == EIO) { 410 int error2; 411 412 error2 = scsipi_start(periph, SSS_START, silent); 413 switch (error2) { 414 case 0: 415 error = 0; 416 break; 417 case EIO: 418 case EINVAL: 419 break; 420 default: 421 error = error2; 422 break; 423 } 424 } 425 if (error) { 426 if (rawpart) 427 goto out; 428 goto bad3; 429 } 430 431 periph->periph_flags |= PERIPH_OPEN; 432 433 /* Lock the pack in. */ 434 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 435 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 436 SC_DEBUG(periph, SCSIPI_DB1, 437 ("cdopen: scsipi_prevent, error=%d\n", error)); 438 if (error) { 439 if (rawpart) 440 goto out; 441 goto bad; 442 } 443 444 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 445 /* Load the physical device parameters. */ 446 if (cd_get_parms(cd, 0) != 0) { 447 if (rawpart) 448 goto out; 449 error = ENXIO; 450 goto bad; 451 } 452 periph->periph_flags |= PERIPH_MEDIA_LOADED; 453 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 454 455 /* Fabricate a disk label. */ 456 cdgetdisklabel(cd); 457 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 458 459 cd_set_properties(cd); 460 } 461 } 462 463 /* Check that the partition exists. */ 464 if (part != RAW_PART && 465 (part >= cd->sc_dk.dk_label->d_npartitions || 466 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 467 error = ENXIO; 468 goto bad; 469 } 470 471 out: /* Insure only one open at a time. */ 472 switch (fmt) { 473 case S_IFCHR: 474 cd->sc_dk.dk_copenmask |= (1 << part); 475 break; 476 case S_IFBLK: 477 cd->sc_dk.dk_bopenmask |= (1 << part); 478 break; 479 } 480 cd->sc_dk.dk_openmask = 481 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 482 483 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 484 mutex_exit(&cd->sc_lock); 485 return (0); 486 487 bad: 488 if (cd->sc_dk.dk_openmask == 0) { 489 scsipi_prevent(periph, SPAMR_ALLOW, 490 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 491 periph->periph_flags &= ~PERIPH_OPEN; 492 } 493 494 bad3: 495 mutex_exit(&cd->sc_lock); 496 if (cd->sc_dk.dk_openmask == 0) 497 scsipi_adapter_delref(adapt); 498 return (error); 499 } 500 501 /* 502 * close the device.. only called if we are the LAST 503 * occurence of an open device 504 */ 505 static int 506 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 507 { 508 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 509 struct scsipi_periph *periph = cd->sc_periph; 510 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 511 int part = CDPART(dev); 512 513 mutex_enter(&cd->sc_lock); 514 515 switch (fmt) { 516 case S_IFCHR: 517 cd->sc_dk.dk_copenmask &= ~(1 << part); 518 break; 519 case S_IFBLK: 520 cd->sc_dk.dk_bopenmask &= ~(1 << part); 521 break; 522 } 523 cd->sc_dk.dk_openmask = 524 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 525 526 if (cd->sc_dk.dk_openmask == 0) { 527 /* synchronise caches on last close */ 528 cdcachesync(periph, 0); 529 530 /* drain outstanding calls */ 531 scsipi_wait_drain(periph); 532 533 scsipi_prevent(periph, SPAMR_ALLOW, 534 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 535 XS_CTL_IGNORE_NOT_READY); 536 periph->periph_flags &= ~PERIPH_OPEN; 537 538 scsipi_wait_drain(periph); 539 540 scsipi_adapter_delref(adapt); 541 } 542 543 mutex_exit(&cd->sc_lock); 544 return (0); 545 } 546 547 /* 548 * Actually translate the requested transfer into one the physical driver can 549 * understand. The transfer is described by a buf and will include only one 550 * physical transfer. 551 */ 552 static void 553 cdstrategy(struct buf *bp) 554 { 555 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 556 struct disklabel *lp; 557 struct scsipi_periph *periph = cd->sc_periph; 558 daddr_t blkno; 559 int s; 560 561 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 562 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 563 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 564 /* 565 * If the device has been made invalid, error out 566 * maybe the media changed 567 */ 568 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 569 if (periph->periph_flags & PERIPH_OPEN) 570 bp->b_error = EIO; 571 else 572 bp->b_error = ENODEV; 573 goto done; 574 } 575 576 lp = cd->sc_dk.dk_label; 577 578 /* 579 * The transfer must be a whole number of blocks, offset must not 580 * be negative. 581 */ 582 if ((bp->b_bcount % lp->d_secsize) != 0 || 583 bp->b_blkno < 0 ) { 584 bp->b_error = EINVAL; 585 goto done; 586 } 587 /* 588 * If it's a null transfer, return immediately 589 */ 590 if (bp->b_bcount == 0) 591 goto done; 592 593 /* 594 * Do bounds checking, adjust transfer. if error, process. 595 * If end of partition, just return. 596 */ 597 if (CDPART(bp->b_dev) == RAW_PART) { 598 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 599 cd->params.disksize512) <= 0) 600 goto done; 601 } else { 602 if (bounds_check_with_label(&cd->sc_dk, bp, 603 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 604 goto done; 605 } 606 607 /* 608 * Now convert the block number to absolute and put it in 609 * terms of the device's logical block size. 610 */ 611 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 612 if (CDPART(bp->b_dev) != RAW_PART) 613 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 614 615 bp->b_rawblkno = blkno; 616 617 /* 618 * If the disklabel sector size does not match the device 619 * sector size we may need to do some extra work. 620 */ 621 if (lp->d_secsize != cd->params.blksize) { 622 623 /* 624 * If the xfer is not a multiple of the device block size 625 * or it is not block aligned, we need to bounce it. 626 */ 627 if ((bp->b_bcount % cd->params.blksize) != 0 || 628 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 629 struct cdbounce *bounce; 630 struct buf *nbp; 631 long count; 632 633 if ((bp->b_flags & B_READ) == 0) { 634 635 /* XXXX We don't support bouncing writes. */ 636 bp->b_error = EACCES; 637 goto done; 638 } 639 640 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 641 if (!bounce) { 642 /* No memory -- fail the iop. */ 643 bp->b_error = ENOMEM; 644 goto done; 645 } 646 647 bounce->obp = bp; 648 bounce->resid = bp->b_bcount; 649 bounce->doff = 0; 650 count = ((blkno * lp->d_secsize) % cd->params.blksize); 651 bounce->soff = count; 652 count += bp->b_bcount; 653 count = roundup(count, cd->params.blksize); 654 bounce->bcount = bounce->resid; 655 if (count > MAXPHYS) { 656 bounce->bcount = MAXPHYS - bounce->soff; 657 count = MAXPHYS; 658 } 659 660 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 661 nbp = getiobuf(NULL, false); 662 if (!nbp) { 663 /* No memory -- fail the iop. */ 664 free(bounce, M_DEVBUF); 665 bp->b_error = ENOMEM; 666 goto done; 667 } 668 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 669 if (!nbp->b_data) { 670 /* No memory -- fail the iop. */ 671 free(bounce, M_DEVBUF); 672 putiobuf(nbp); 673 bp->b_error = ENOMEM; 674 goto done; 675 } 676 677 /* Set up the IOP to the bounce buffer. */ 678 nbp->b_error = 0; 679 nbp->b_proc = bp->b_proc; 680 nbp->b_bcount = count; 681 nbp->b_bufsize = count; 682 nbp->b_rawblkno = blkno; 683 nbp->b_flags = bp->b_flags | B_READ; 684 nbp->b_oflags = bp->b_oflags; 685 nbp->b_cflags = bp->b_cflags; 686 nbp->b_iodone = cdbounce; 687 688 /* store bounce state in b_private and use new buf */ 689 nbp->b_private = bounce; 690 691 BIO_COPYPRIO(nbp, bp); 692 693 bp = nbp; 694 695 } else { 696 /* Xfer is aligned -- just adjust the start block */ 697 bp->b_rawblkno = (blkno * lp->d_secsize) / 698 cd->params.blksize; 699 } 700 } 701 s = splbio(); 702 703 /* 704 * Place it in the queue of disk activities for this disk. 705 * 706 * XXX Only do disksort() if the current operating mode does not 707 * XXX include tagged queueing. 708 */ 709 bufq_put(cd->buf_queue, bp); 710 711 /* 712 * Tell the device to get going on the transfer if it's 713 * not doing anything, otherwise just wait for completion 714 */ 715 cdstart(cd->sc_periph); 716 717 splx(s); 718 return; 719 720 done: 721 /* 722 * Correctly set the buf to indicate a completed xfer 723 */ 724 bp->b_resid = bp->b_bcount; 725 biodone(bp); 726 } 727 728 /* 729 * cdstart looks to see if there is a buf waiting for the device 730 * and that the device is not already busy. If both are true, 731 * It deques the buf and creates a scsi command to perform the 732 * transfer in the buf. The transfer request will call scsipi_done 733 * on completion, which will in turn call this routine again 734 * so that the next queued transfer is performed. 735 * The bufs are queued by the strategy routine (cdstrategy) 736 * 737 * This routine is also called after other non-queued requests 738 * have been made of the scsi driver, to ensure that the queue 739 * continues to be drained. 740 * 741 * must be called at the correct (highish) spl level 742 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 743 */ 744 static void 745 cdstart(struct scsipi_periph *periph) 746 { 747 struct cd_softc *cd = device_private(periph->periph_dev); 748 struct buf *bp = 0; 749 struct scsipi_rw_10 cmd_big; 750 struct scsi_rw_6 cmd_small; 751 struct scsipi_generic *cmdp; 752 struct scsipi_xfer *xs; 753 int flags, nblks, cmdlen, error; 754 755 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 756 /* 757 * Check if the device has room for another command 758 */ 759 while (periph->periph_active < periph->periph_openings) { 760 /* 761 * there is excess capacity, but a special waits 762 * It'll need the adapter as soon as we clear out of the 763 * way and let it run (user level wait). 764 */ 765 if (periph->periph_flags & PERIPH_WAITING) { 766 periph->periph_flags &= ~PERIPH_WAITING; 767 wakeup((void *)periph); 768 return; 769 } 770 771 /* 772 * If the device has become invalid, abort all the 773 * reads and writes until all files have been closed and 774 * re-opened 775 */ 776 if (__predict_false( 777 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 778 if ((bp = bufq_get(cd->buf_queue)) != NULL) { 779 bp->b_error = EIO; 780 bp->b_resid = bp->b_bcount; 781 biodone(bp); 782 continue; 783 } else { 784 return; 785 } 786 } 787 788 /* 789 * See if there is a buf with work for us to do.. 790 */ 791 if ((bp = bufq_peek(cd->buf_queue)) == NULL) 792 return; 793 794 /* 795 * We have a buf, now we should make a command. 796 */ 797 798 nblks = howmany(bp->b_bcount, cd->params.blksize); 799 800 /* 801 * Fill out the scsi command. If the transfer will 802 * fit in a "small" cdb, use it. 803 */ 804 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 805 ((nblks & 0xff) == nblks) && 806 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 807 /* 808 * We can fit in a small cdb. 809 */ 810 memset(&cmd_small, 0, sizeof(cmd_small)); 811 cmd_small.opcode = (bp->b_flags & B_READ) ? 812 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 813 _lto3b(bp->b_rawblkno, cmd_small.addr); 814 cmd_small.length = nblks & 0xff; 815 cmdlen = sizeof(cmd_small); 816 cmdp = (struct scsipi_generic *)&cmd_small; 817 } else { 818 /* 819 * Need a large cdb. 820 */ 821 memset(&cmd_big, 0, sizeof(cmd_big)); 822 cmd_big.opcode = (bp->b_flags & B_READ) ? 823 READ_10 : WRITE_10; 824 _lto4b(bp->b_rawblkno, cmd_big.addr); 825 _lto2b(nblks, cmd_big.length); 826 cmdlen = sizeof(cmd_big); 827 cmdp = (struct scsipi_generic *)&cmd_big; 828 } 829 830 /* Instrumentation. */ 831 disk_busy(&cd->sc_dk); 832 833 /* 834 * Figure out what flags to use. 835 */ 836 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 837 if (bp->b_flags & B_READ) 838 flags |= XS_CTL_DATA_IN; 839 else 840 flags |= XS_CTL_DATA_OUT; 841 842 /* 843 * Call the routine that chats with the adapter. 844 * Note: we cannot sleep as we may be an interrupt 845 */ 846 xs = scsipi_make_xs(periph, cmdp, cmdlen, 847 (u_char *)bp->b_data, bp->b_bcount, 848 CDRETRIES, 30000, bp, flags); 849 if (__predict_false(xs == NULL)) { 850 /* 851 * out of memory. Keep this buffer in the queue, and 852 * retry later. 853 */ 854 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 855 periph); 856 return; 857 } 858 /* 859 * need to dequeue the buffer before queuing the command, 860 * because cdstart may be called recursively from the 861 * HBA driver 862 */ 863 #ifdef DIAGNOSTIC 864 if (bufq_get(cd->buf_queue) != bp) 865 panic("cdstart(): dequeued wrong buf"); 866 #else 867 bufq_get(cd->buf_queue); 868 #endif 869 error = scsipi_execute_xs(xs); 870 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 871 KASSERT(error == 0); 872 } 873 } 874 875 static void 876 cdrestart(void *v) 877 { 878 int s = splbio(); 879 cdstart((struct scsipi_periph *)v); 880 splx(s); 881 } 882 883 static void 884 cddone(struct scsipi_xfer *xs, int error) 885 { 886 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 887 struct buf *bp = xs->bp; 888 889 if (bp) { 890 /* note, bp->b_resid is NOT initialised */ 891 bp->b_error = error; 892 bp->b_resid = xs->resid; 893 if (error) { 894 /* on a read/write error bp->b_resid is zero, so fix */ 895 bp->b_resid = bp->b_bcount; 896 } 897 898 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 899 (bp->b_flags & B_READ)); 900 #if NRND > 0 901 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 902 #endif 903 904 biodone(bp); 905 } 906 } 907 908 static void 909 cdbounce(struct buf *bp) 910 { 911 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 912 struct buf *obp = bounce->obp; 913 struct cd_softc *cd = 914 device_lookup_private(&cd_cd, CDUNIT(obp->b_dev)); 915 struct disklabel *lp = cd->sc_dk.dk_label; 916 917 if (bp->b_error != 0) { 918 /* EEK propagate the error and free the memory */ 919 goto done; 920 } 921 922 KASSERT(obp->b_flags & B_READ); 923 924 /* copy bounce buffer to final destination */ 925 memcpy((char *)obp->b_data + bounce->doff, 926 (char *)bp->b_data + bounce->soff, bounce->bcount); 927 928 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 929 KASSERT(bounce->resid >= bounce->bcount); 930 bounce->resid -= bounce->bcount; 931 if (bounce->resid > 0) { 932 struct buf *nbp; 933 daddr_t blkno; 934 long count; 935 int s; 936 937 blkno = obp->b_rawblkno + 938 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 939 count = ((blkno * lp->d_secsize) % cd->params.blksize); 940 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 941 bounce->soff = count; 942 bounce->doff += bounce->bcount; 943 count += bounce->resid; 944 count = roundup(count, cd->params.blksize); 945 bounce->bcount = bounce->resid; 946 if (count > MAXPHYS) { 947 bounce->bcount = MAXPHYS - bounce->soff; 948 count = MAXPHYS; 949 } 950 951 nbp = getiobuf(NULL, false); 952 if (!nbp) { 953 /* No memory -- fail the iop. */ 954 bp->b_error = ENOMEM; 955 goto done; 956 } 957 958 /* Set up the IOP to the bounce buffer. */ 959 nbp->b_error = 0; 960 nbp->b_proc = obp->b_proc; 961 nbp->b_bcount = count; 962 nbp->b_bufsize = count; 963 nbp->b_data = bp->b_data; 964 nbp->b_rawblkno = blkno; 965 nbp->b_flags = obp->b_flags | B_READ; 966 nbp->b_oflags = obp->b_oflags; 967 nbp->b_cflags = obp->b_cflags; 968 nbp->b_iodone = cdbounce; 969 970 /* store bounce state in b_private and use new buf */ 971 nbp->b_private = bounce; 972 973 BIO_COPYPRIO(nbp, obp); 974 975 bp->b_data = NULL; 976 putiobuf(bp); 977 978 /* enqueue the request and return */ 979 s = splbio(); 980 bufq_put(cd->buf_queue, nbp); 981 cdstart(cd->sc_periph); 982 splx(s); 983 984 return; 985 } 986 987 done: 988 obp->b_error = bp->b_error; 989 obp->b_resid = bp->b_resid; 990 free(bp->b_data, M_DEVBUF); 991 free(bounce, M_DEVBUF); 992 bp->b_data = NULL; 993 putiobuf(bp); 994 biodone(obp); 995 } 996 997 static int 998 cd_interpret_sense(struct scsipi_xfer *xs) 999 { 1000 struct scsipi_periph *periph = xs->xs_periph; 1001 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1002 int retval = EJUSTRETURN; 1003 1004 /* 1005 * If it isn't a extended or extended/deferred error, let 1006 * the generic code handle it. 1007 */ 1008 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1009 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1010 return (retval); 1011 1012 /* 1013 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1014 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1015 * wait a bit for the drive to spin up 1016 */ 1017 1018 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1019 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 1020 /* 1021 * Sleep for 5 seconds to wait for the drive to spin up 1022 */ 1023 1024 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1025 "spinup\n")); 1026 if (!callout_pending(&periph->periph_callout)) 1027 scsipi_periph_freeze(periph, 1); 1028 callout_reset(&periph->periph_callout, 1029 5 * hz, scsipi_periph_timed_thaw, periph); 1030 retval = ERESTART; 1031 } 1032 1033 /* 1034 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 1035 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 1036 * then wait for the specified time 1037 */ 1038 1039 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1040 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 1041 /* 1042 * we could listen to the delay; but it looks like the skey 1043 * data is not always returned. 1044 */ 1045 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1046 1047 /* wait for a half second and get going again */ 1048 if (!callout_pending(&periph->periph_callout)) 1049 scsipi_periph_freeze(periph, 1); 1050 callout_reset(&periph->periph_callout, 1051 hz/2, scsipi_periph_timed_thaw, periph); 1052 retval = ERESTART; 1053 } 1054 1055 /* 1056 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1057 * progress" (Sense code 0x04, 0x08), then wait for the specified 1058 * time 1059 */ 1060 1061 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1062 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1063 /* 1064 * long write in process; we could listen to the delay; but it 1065 * looks like the skey data is not always returned. 1066 */ 1067 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1068 1069 /* wait for a half second and get going again */ 1070 if (!callout_pending(&periph->periph_callout)) 1071 scsipi_periph_freeze(periph, 1); 1072 callout_reset(&periph->periph_callout, 1073 hz/2, scsipi_periph_timed_thaw, periph); 1074 retval = ERESTART; 1075 } 1076 1077 return (retval); 1078 } 1079 1080 static void 1081 cdminphys(struct buf *bp) 1082 { 1083 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1084 long xmax; 1085 1086 /* 1087 * If the device is ancient, we want to make sure that 1088 * the transfer fits into a 6-byte cdb. 1089 * 1090 * XXX Note that the SCSI-I spec says that 256-block transfers 1091 * are allowed in a 6-byte read/write, and are specified 1092 * by settng the "length" to 0. However, we're conservative 1093 * here, allowing only 255-block transfers in case an 1094 * ancient device gets confused by length == 0. A length of 0 1095 * in a 10-byte read/write actually means 0 blocks. 1096 */ 1097 if (cd->flags & CDF_ANCIENT) { 1098 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1099 1100 if (bp->b_bcount > xmax) 1101 bp->b_bcount = xmax; 1102 } 1103 1104 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1105 } 1106 1107 static int 1108 cdread(dev_t dev, struct uio *uio, int ioflag) 1109 { 1110 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1111 } 1112 1113 static int 1114 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1115 { 1116 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1117 } 1118 1119 #if 0 /* XXX Not used */ 1120 /* 1121 * conversion between minute-seconde-frame and logical block address 1122 * addresses format 1123 */ 1124 static void 1125 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1126 { 1127 u_long tmp; 1128 1129 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1130 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1131 *m = tmp / (CD_SECS * CD_FRAMES); 1132 tmp %= (CD_SECS * CD_FRAMES); 1133 *s = tmp / CD_FRAMES; 1134 *f = tmp % CD_FRAMES; 1135 } 1136 #endif /* XXX Not used */ 1137 1138 /* 1139 * Convert an hour:minute:second:frame address to a logical block adres. In 1140 * theory the number of secs/minute and number of frames/second could be 1141 * configured differently in the device as could the block offset but in 1142 * practice these values are rock solid and most drives don't even allow 1143 * theses values to be changed. 1144 */ 1145 static uint32_t 1146 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1147 { 1148 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1149 - CD_BLOCK_OFFSET; 1150 } 1151 1152 static int 1153 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1154 { 1155 struct scsipi_periph *periph = cd->sc_periph; 1156 int error; 1157 struct cd_toc_entry *cte; 1158 1159 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1160 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1161 0, 0x40 /* control word for "get MS info" */); 1162 1163 if (error) 1164 return (error); 1165 1166 cte = &toc->entries[0]; 1167 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1168 cte->addr.lba = le32toh(cte->addr.lba); 1169 toc->header.len = le16toh(toc->header.len); 1170 } else { 1171 cte->addr.lba = be32toh(cte->addr.lba); 1172 toc->header.len = be16toh(toc->header.len); 1173 } 1174 1175 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1176 cte->addr.lba : 0; 1177 return 0; 1178 } 1179 1180 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1181 static int 1182 cdcachesync(struct scsipi_periph *periph, int flags) { 1183 struct scsi_synchronize_cache_10 cmd; 1184 1185 /* 1186 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1187 * and length 0 as it can't synchronise parts of the disc per spec. 1188 * We ignore ILLEGAL REQUEST in the event that the command is not 1189 * supported by the device, and poll for completion so that we know 1190 * that the cache has actually been flushed. 1191 * 1192 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1193 */ 1194 1195 memset(&cmd, 0, sizeof(cmd)); 1196 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1197 1198 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1199 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1200 } 1201 1202 static int 1203 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1204 struct cd_formatted_toc *toc) 1205 { 1206 /* READ TOC format 0 command, entries */ 1207 struct ioc_toc_header *th; 1208 struct cd_toc_entry *cte; 1209 u_int len = te->data_len; 1210 int ntracks; 1211 int error; 1212 1213 th = &toc->header; 1214 1215 if (len > sizeof(toc->entries) || 1216 len < sizeof(toc->entries[0])) 1217 return (EINVAL); 1218 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1219 te->starting_track, toc, 1220 sizeof(toc->header) + len, 1221 0, 0); 1222 if (error) 1223 return (error); 1224 if (te->address_format == CD_LBA_FORMAT) 1225 for (ntracks = 1226 th->ending_track - th->starting_track + 1; 1227 ntracks >= 0; ntracks--) { 1228 cte = &toc->entries[ntracks]; 1229 cte->addr_type = CD_LBA_FORMAT; 1230 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1231 cte->addr.lba = le32toh(cte->addr.lba); 1232 else 1233 cte->addr.lba = be32toh(cte->addr.lba); 1234 } 1235 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1236 th->len = le16toh(th->len); 1237 else 1238 th->len = be16toh(th->len); 1239 return 0; 1240 } 1241 1242 /* 1243 * Perform special action on behalf of the user. 1244 * Knows about the internals of this device 1245 */ 1246 static int 1247 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1248 { 1249 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1250 struct scsipi_periph *periph = cd->sc_periph; 1251 struct cd_formatted_toc toc; 1252 int part = CDPART(dev); 1253 int error = 0; 1254 int s; 1255 #ifdef __HAVE_OLD_DISKLABEL 1256 struct disklabel *newlabel = NULL; 1257 #endif 1258 1259 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1260 1261 /* 1262 * If the device is not valid, some IOCTLs can still be 1263 * handled on the raw partition. Check this here. 1264 */ 1265 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1266 switch (cmd) { 1267 case DIOCWLABEL: 1268 case DIOCLOCK: 1269 case ODIOCEJECT: 1270 case DIOCEJECT: 1271 case DIOCCACHESYNC: 1272 case SCIOCIDENTIFY: 1273 case OSCIOCIDENTIFY: 1274 case SCIOCCOMMAND: 1275 case SCIOCDEBUG: 1276 case CDIOCGETVOL: 1277 case CDIOCSETVOL: 1278 case CDIOCSETMONO: 1279 case CDIOCSETSTEREO: 1280 case CDIOCSETMUTE: 1281 case CDIOCSETLEFT: 1282 case CDIOCSETRIGHT: 1283 case CDIOCCLOSE: 1284 case CDIOCEJECT: 1285 case CDIOCALLOW: 1286 case CDIOCPREVENT: 1287 case CDIOCSETDEBUG: 1288 case CDIOCCLRDEBUG: 1289 case CDIOCRESET: 1290 case SCIOCRESET: 1291 case CDIOCLOADUNLOAD: 1292 case DVD_AUTH: 1293 case DVD_READ_STRUCT: 1294 case DIOCGSTRATEGY: 1295 case DIOCSSTRATEGY: 1296 if (part == RAW_PART) 1297 break; 1298 /* FALLTHROUGH */ 1299 default: 1300 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1301 return (ENODEV); 1302 else 1303 return (EIO); 1304 } 1305 } 1306 1307 error = disk_ioctl(&cd->sc_dk, cmd, addr, flag, l); 1308 if (error != EPASSTHROUGH) 1309 return (error); 1310 1311 switch (cmd) { 1312 case DIOCGDINFO: 1313 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1314 return (0); 1315 #ifdef __HAVE_OLD_DISKLABEL 1316 case ODIOCGDINFO: 1317 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1318 if (newlabel == NULL) 1319 return (EIO); 1320 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1321 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1322 error = ENOTTY; 1323 else 1324 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1325 free(newlabel, M_TEMP); 1326 return error; 1327 #endif 1328 1329 case DIOCGPART: 1330 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1331 ((struct partinfo *)addr)->part = 1332 &cd->sc_dk.dk_label->d_partitions[part]; 1333 return (0); 1334 1335 case DIOCWDINFO: 1336 case DIOCSDINFO: 1337 #ifdef __HAVE_OLD_DISKLABEL 1338 case ODIOCWDINFO: 1339 case ODIOCSDINFO: 1340 #endif 1341 { 1342 struct disklabel *lp; 1343 1344 if ((flag & FWRITE) == 0) 1345 return (EBADF); 1346 1347 #ifdef __HAVE_OLD_DISKLABEL 1348 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1349 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1350 if (newlabel == NULL) 1351 return (EIO); 1352 memset(newlabel, 0, sizeof newlabel); 1353 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1354 lp = newlabel; 1355 } else 1356 #endif 1357 lp = addr; 1358 1359 mutex_enter(&cd->sc_lock); 1360 cd->flags |= CDF_LABELLING; 1361 1362 error = setdisklabel(cd->sc_dk.dk_label, 1363 lp, /*cd->sc_dk.dk_openmask : */0, 1364 cd->sc_dk.dk_cpulabel); 1365 if (error == 0) { 1366 /* XXX ? */ 1367 } 1368 1369 cd->flags &= ~CDF_LABELLING; 1370 mutex_exit(&cd->sc_lock); 1371 #ifdef __HAVE_OLD_DISKLABEL 1372 if (newlabel != NULL) 1373 free(newlabel, M_TEMP); 1374 #endif 1375 return (error); 1376 } 1377 1378 case DIOCWLABEL: 1379 return (EBADF); 1380 1381 case DIOCGDEFLABEL: 1382 cdgetdefaultlabel(cd, &toc, addr); 1383 return (0); 1384 1385 #ifdef __HAVE_OLD_DISKLABEL 1386 case ODIOCGDEFLABEL: 1387 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1388 if (newlabel == NULL) 1389 return (EIO); 1390 cdgetdefaultlabel(cd, &toc, newlabel); 1391 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1392 error = ENOTTY; 1393 else 1394 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1395 free(newlabel, M_TEMP); 1396 return error; 1397 #endif 1398 1399 case CDIOCPLAYTRACKS: { 1400 /* PLAY_MSF command */ 1401 struct ioc_play_track *args = addr; 1402 1403 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1404 return (error); 1405 return (cd_play_tracks(cd, &toc, args->start_track, 1406 args->start_index, args->end_track, args->end_index)); 1407 } 1408 case CDIOCPLAYMSF: { 1409 /* PLAY_MSF command */ 1410 struct ioc_play_msf *args = addr; 1411 1412 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1413 return (error); 1414 return (cd_play_msf(cd, args->start_m, args->start_s, 1415 args->start_f, args->end_m, args->end_s, args->end_f)); 1416 } 1417 case CDIOCPLAYBLOCKS: { 1418 /* PLAY command */ 1419 struct ioc_play_blocks *args = addr; 1420 1421 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1422 return (error); 1423 return (cd_play(cd, args->blk, args->len)); 1424 } 1425 case CDIOCREADSUBCHANNEL: { 1426 /* READ_SUBCHANNEL command */ 1427 struct ioc_read_subchannel *args = addr; 1428 struct cd_sub_channel_info data; 1429 u_int len = args->data_len; 1430 1431 if (len > sizeof(data) || 1432 len < sizeof(struct cd_sub_channel_header)) 1433 return (EINVAL); 1434 error = cd_read_subchannel(cd, args->address_format, 1435 args->data_format, args->track, &data, len, 0); 1436 if (error) 1437 return (error); 1438 len = min(len, _2btol(data.header.data_len) + 1439 sizeof(struct cd_sub_channel_header)); 1440 return (copyout(&data, args->data, len)); 1441 } 1442 case CDIOCREADSUBCHANNEL_BUF: { 1443 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1444 struct ioc_read_subchannel_buf *args = addr; 1445 if (args->req.data_len != sizeof args->info) 1446 return EINVAL; 1447 return cd_read_subchannel(cd, args->req.address_format, 1448 args->req.data_format, args->req.track, &args->info, 1449 sizeof(args->info), 0); 1450 } 1451 case CDIOREADTOCHEADER: { 1452 /* READ TOC format 0 command, static header */ 1453 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1454 &toc, sizeof(toc.header), 0, 0)) != 0) 1455 return (error); 1456 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1457 toc.header.len = le16toh(toc.header.len); 1458 else 1459 toc.header.len = be16toh(toc.header.len); 1460 memcpy(addr, &toc.header, sizeof(toc.header)); 1461 return (0); 1462 } 1463 case CDIOREADTOCENTRYS: { 1464 struct ioc_read_toc_entry *te = addr; 1465 error = do_cdioreadentries(cd, te, &toc); 1466 if (error != 0) 1467 return error; 1468 return copyout(toc.entries, te->data, min(te->data_len, 1469 toc.header.len - (sizeof(toc.header.starting_track) 1470 + sizeof(toc.header.ending_track)))); 1471 } 1472 case CDIOREADTOCENTRIES_BUF: { 1473 struct ioc_read_toc_entry_buf *te = addr; 1474 error = do_cdioreadentries(cd, &te->req, &toc); 1475 if (error != 0) 1476 return error; 1477 memcpy(te->entry, toc.entries, min(te->req.data_len, 1478 toc.header.len - (sizeof(toc.header.starting_track) 1479 + sizeof(toc.header.ending_track)))); 1480 return 0; 1481 } 1482 case CDIOREADMSADDR: { 1483 /* READ TOC format 0 command, length of first track only */ 1484 int sessno = *(int*)addr; 1485 1486 if (sessno != 0) 1487 return (EINVAL); 1488 1489 return (cdreadmsaddr(cd, &toc, addr)); 1490 } 1491 case CDIOCSETPATCH: { 1492 struct ioc_patch *arg = addr; 1493 1494 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1495 arg->patch[2], arg->patch[3], 0)); 1496 } 1497 case CDIOCGETVOL: { 1498 /* MODE SENSE command (AUDIO page) */ 1499 struct ioc_vol *arg = addr; 1500 1501 return (cd_getvol(cd, arg, 0)); 1502 } 1503 case CDIOCSETVOL: { 1504 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1505 struct ioc_vol *arg = addr; 1506 1507 return (cd_setvol(cd, arg, 0)); 1508 } 1509 case CDIOCSETMONO: 1510 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1511 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1512 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1513 1514 case CDIOCSETSTEREO: 1515 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1516 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1517 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1518 1519 case CDIOCSETMUTE: 1520 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1521 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1522 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1523 1524 case CDIOCSETLEFT: 1525 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1526 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1527 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1528 1529 case CDIOCSETRIGHT: 1530 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1531 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1532 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1533 1534 case CDIOCRESUME: 1535 /* PAUSE command */ 1536 return (cd_pause(cd, PA_RESUME)); 1537 case CDIOCPAUSE: 1538 /* PAUSE command */ 1539 return (cd_pause(cd, PA_PAUSE)); 1540 case CDIOCSTART: 1541 return (scsipi_start(periph, SSS_START, 0)); 1542 case CDIOCSTOP: 1543 return (scsipi_start(periph, SSS_STOP, 0)); 1544 case CDIOCCLOSE: 1545 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1546 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1547 case DIOCEJECT: 1548 if (*(int *)addr == 0) { 1549 /* 1550 * Don't force eject: check that we are the only 1551 * partition open. If so, unlock it. 1552 */ 1553 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1554 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1555 cd->sc_dk.dk_openmask) { 1556 error = scsipi_prevent(periph, SPAMR_ALLOW, 1557 XS_CTL_IGNORE_NOT_READY); 1558 if (error) 1559 return (error); 1560 } else { 1561 return (EBUSY); 1562 } 1563 } 1564 /* FALLTHROUGH */ 1565 case CDIOCEJECT: /* FALLTHROUGH */ 1566 case ODIOCEJECT: 1567 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1568 case DIOCCACHESYNC: 1569 /* SYNCHRONISE CACHES command */ 1570 return (cdcachesync(periph, 0)); 1571 case CDIOCALLOW: 1572 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1573 case CDIOCPREVENT: 1574 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1575 case DIOCLOCK: 1576 return (scsipi_prevent(periph, 1577 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1578 case CDIOCSETDEBUG: 1579 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1580 return (0); 1581 case CDIOCCLRDEBUG: 1582 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1583 return (0); 1584 case CDIOCRESET: 1585 case SCIOCRESET: 1586 return (cd_reset(cd)); 1587 case CDIOCLOADUNLOAD: 1588 /* LOAD_UNLOAD command */ 1589 return (cd_load_unload(cd, addr)); 1590 case DVD_AUTH: 1591 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1592 return (dvd_auth(cd, addr)); 1593 case DVD_READ_STRUCT: 1594 /* GPCMD_READ_DVD_STRUCTURE command */ 1595 return (dvd_read_struct(cd, addr)); 1596 case MMCGETDISCINFO: 1597 /* 1598 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1599 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1600 */ 1601 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1602 case MMCGETTRACKINFO: 1603 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1604 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1605 case MMCOP: 1606 /* 1607 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1608 * SYNCHRONISE_CACHE commands 1609 */ 1610 return mmc_do_op(periph, (struct mmc_op *) addr); 1611 case MMCSETUPWRITEPARAMS : 1612 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1613 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1614 case DIOCGSTRATEGY: 1615 { 1616 struct disk_strategy *dks = addr; 1617 1618 s = splbio(); 1619 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1620 sizeof(dks->dks_name)); 1621 splx(s); 1622 dks->dks_paramlen = 0; 1623 1624 return 0; 1625 } 1626 case DIOCSSTRATEGY: 1627 { 1628 struct disk_strategy *dks = addr; 1629 struct bufq_state *new; 1630 struct bufq_state *old; 1631 1632 if ((flag & FWRITE) == 0) { 1633 return EBADF; 1634 } 1635 if (dks->dks_param != NULL) { 1636 return EINVAL; 1637 } 1638 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1639 error = bufq_alloc(&new, dks->dks_name, 1640 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1641 if (error) { 1642 return error; 1643 } 1644 s = splbio(); 1645 old = cd->buf_queue; 1646 bufq_move(new, old); 1647 cd->buf_queue = new; 1648 splx(s); 1649 bufq_free(old); 1650 1651 return 0; 1652 } 1653 default: 1654 if (part != RAW_PART) 1655 return (ENOTTY); 1656 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1657 } 1658 1659 #ifdef DIAGNOSTIC 1660 panic("cdioctl: impossible"); 1661 #endif 1662 } 1663 1664 static void 1665 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1666 struct disklabel *lp) 1667 { 1668 int lastsession; 1669 1670 memset(lp, 0, sizeof(struct disklabel)); 1671 1672 lp->d_secsize = cd->params.blksize; 1673 lp->d_ntracks = 1; 1674 lp->d_nsectors = 100; 1675 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1676 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1677 1678 switch (scsipi_periph_bustype(cd->sc_periph)) { 1679 case SCSIPI_BUSTYPE_SCSI: 1680 lp->d_type = DTYPE_SCSI; 1681 break; 1682 case SCSIPI_BUSTYPE_ATAPI: 1683 lp->d_type = DTYPE_ATAPI; 1684 break; 1685 } 1686 /* 1687 * XXX 1688 * We could probe the mode pages to figure out what kind of disc it is. 1689 * Is this worthwhile? 1690 */ 1691 strncpy(lp->d_typename, "optical media", 16); 1692 strncpy(lp->d_packname, "fictitious", 16); 1693 lp->d_secperunit = cd->params.disksize; 1694 lp->d_rpm = 300; 1695 lp->d_interleave = 1; 1696 lp->d_flags = D_REMOVABLE | D_SCSI_MMC; 1697 1698 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1699 lastsession = 0; 1700 1701 lp->d_partitions[0].p_offset = 0; 1702 lp->d_partitions[0].p_size = lp->d_secperunit; 1703 lp->d_partitions[0].p_cdsession = lastsession; 1704 lp->d_partitions[0].p_fstype = FS_ISO9660; 1705 1706 lp->d_partitions[RAW_PART].p_offset = 0; 1707 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1708 lp->d_partitions[RAW_PART].p_fstype = FS_UDF; 1709 1710 lp->d_npartitions = RAW_PART + 1; 1711 1712 lp->d_magic = DISKMAGIC; 1713 lp->d_magic2 = DISKMAGIC; 1714 lp->d_checksum = dkcksum(lp); 1715 } 1716 1717 /* 1718 * Load the label information on the named device 1719 * Actually fabricate a disklabel 1720 * 1721 * EVENTUALLY take information about different 1722 * data tracks from the TOC and put it in the disklabel 1723 */ 1724 static void 1725 cdgetdisklabel(struct cd_softc *cd) 1726 { 1727 struct disklabel *lp = cd->sc_dk.dk_label; 1728 struct cd_formatted_toc toc; 1729 const char *errstring; 1730 int bmajor; 1731 1732 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1733 1734 cdgetdefaultlabel(cd, &toc, lp); 1735 1736 /* 1737 * Call the generic disklabel extraction routine 1738 * 1739 * bmajor follows ata_raid code 1740 */ 1741 bmajor = devsw_name2blk(device_xname(cd->sc_dev), NULL, 0); 1742 errstring = readdisklabel(MAKECDDEV(bmajor, 1743 device_unit(cd->sc_dev), RAW_PART), 1744 cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1745 1746 /* if all went OK, we are passed a NULL error string */ 1747 if (errstring == NULL) 1748 return; 1749 1750 /* Reset to default label -- after printing error and the warning */ 1751 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1752 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1753 cdgetdefaultlabel(cd, &toc, lp); 1754 } 1755 1756 /* 1757 * Reading a discs total capacity is aparently a very difficult issue for the 1758 * SCSI standardisation group. Every disc type seems to have its own 1759 * (re)invented size request method and modifiers. The failsafe way of 1760 * determining the total (max) capacity i.e. not the recorded capacity but the 1761 * total maximum capacity is to request the info on the last track and 1762 * calucate the total size. 1763 * 1764 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1765 * we count. 1766 */ 1767 static int 1768 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1769 { 1770 struct scsipi_read_cd_capacity cap_cmd; 1771 struct scsipi_read_cd_cap_data cap; 1772 struct scsipi_read_discinfo di_cmd; 1773 struct scsipi_read_discinfo_data di; 1774 struct scsipi_read_trackinfo ti_cmd; 1775 struct scsipi_read_trackinfo_data ti; 1776 uint32_t track_start, track_size; 1777 int error, flags, msb, lsb, last_track; 1778 1779 /* if the device doesn't grog capacity, return the dummies */ 1780 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1781 return 0; 1782 1783 /* first try read CD capacity for blksize and recorded size */ 1784 /* issue the cd capacity request */ 1785 flags = XS_CTL_DATA_IN; 1786 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1787 cap_cmd.opcode = READ_CD_CAPACITY; 1788 1789 error = scsipi_command(periph, 1790 (void *) &cap_cmd, sizeof(cap_cmd), 1791 (void *) &cap, sizeof(cap), 1792 CDRETRIES, 30000, NULL, flags); 1793 if (error) 1794 return error; 1795 1796 /* retrieve values and sanity check them */ 1797 *blksize = _4btol(cap.length); 1798 *size = _4btol(cap.addr); 1799 1800 /* blksize is 2048 for CD, but some drives give gibberish */ 1801 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1802 *blksize = 2048; /* some drives lie ! */ 1803 1804 /* recordables have READ_DISCINFO implemented */ 1805 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1806 memset(&di_cmd, 0, sizeof(di_cmd)); 1807 di_cmd.opcode = READ_DISCINFO; 1808 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1809 1810 error = scsipi_command(periph, 1811 (void *) &di_cmd, sizeof(di_cmd), 1812 (void *) &di, READ_DISCINFO_BIGSIZE, 1813 CDRETRIES, 30000, NULL, flags); 1814 if (error == 0) { 1815 msb = di.last_track_last_session_msb; 1816 lsb = di.last_track_last_session_lsb; 1817 last_track = (msb << 8) | lsb; 1818 1819 /* request info on last track */ 1820 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1821 ti_cmd.opcode = READ_TRACKINFO; 1822 ti_cmd.addr_type = 1; /* on tracknr */ 1823 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1824 _lto2b(sizeof(ti), ti_cmd.data_len); 1825 1826 error = scsipi_command(periph, 1827 (void *) &ti_cmd, sizeof(ti_cmd), 1828 (void *) &ti, sizeof(ti), 1829 CDRETRIES, 30000, NULL, flags); 1830 if (error == 0) { 1831 track_start = _4btol(ti.track_start); 1832 track_size = _4btol(ti.track_size); 1833 1834 /* overwrite only with a sane value */ 1835 if (track_start + track_size >= 100) 1836 *size = track_start + track_size; 1837 } 1838 } 1839 1840 /* sanity check for size */ 1841 if (*size < 100) 1842 *size = 400000; 1843 1844 return 0; 1845 } 1846 1847 /* 1848 * Find out from the device what it's capacity is 1849 */ 1850 static u_long 1851 cd_size(struct cd_softc *cd, int flags) 1852 { 1853 u_int blksize; 1854 u_long size; 1855 int error; 1856 1857 /* set up fake values */ 1858 blksize = 2048; 1859 size = 400000; 1860 1861 /* if this function bounces with an error return fake value */ 1862 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1863 if (error) 1864 return size; 1865 1866 if (blksize != 2048) { 1867 if (cd_setblksize(cd) == 0) 1868 blksize = 2048; 1869 } 1870 cd->params.blksize = blksize; 1871 cd->params.disksize = size; 1872 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1873 1874 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1875 ("cd_size: %u %lu\n", blksize, size)); 1876 1877 return size; 1878 } 1879 1880 /* 1881 * Get scsi driver to send a "start playing" command 1882 */ 1883 static int 1884 cd_play(struct cd_softc *cd, int blkno, int nblks) 1885 { 1886 struct scsipi_play cmd; 1887 1888 memset(&cmd, 0, sizeof(cmd)); 1889 cmd.opcode = PLAY; 1890 _lto4b(blkno, cmd.blk_addr); 1891 _lto2b(nblks, cmd.xfer_len); 1892 1893 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1894 CDRETRIES, 30000, NULL, 0)); 1895 } 1896 1897 /* 1898 * Get scsi driver to send a "start playing" command 1899 */ 1900 static int 1901 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1902 int sindex, int etrack, int eindex) 1903 { 1904 int error; 1905 1906 if (!etrack) 1907 return (EIO); 1908 if (strack > etrack) 1909 return (EINVAL); 1910 1911 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1912 if (error) 1913 return (error); 1914 1915 if (++etrack > (toc->header.ending_track+1)) 1916 etrack = toc->header.ending_track+1; 1917 1918 strack -= toc->header.starting_track; 1919 etrack -= toc->header.starting_track; 1920 if (strack < 0) 1921 return (EINVAL); 1922 1923 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1924 toc->entries[strack].addr.msf.second, 1925 toc->entries[strack].addr.msf.frame, 1926 toc->entries[etrack].addr.msf.minute, 1927 toc->entries[etrack].addr.msf.second, 1928 toc->entries[etrack].addr.msf.frame)); 1929 } 1930 1931 /* 1932 * Get scsi driver to send a "play msf" command 1933 */ 1934 static int 1935 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1936 int ends, int endf) 1937 { 1938 struct scsipi_play_msf cmd; 1939 1940 memset(&cmd, 0, sizeof(cmd)); 1941 cmd.opcode = PLAY_MSF; 1942 cmd.start_m = startm; 1943 cmd.start_s = starts; 1944 cmd.start_f = startf; 1945 cmd.end_m = endm; 1946 cmd.end_s = ends; 1947 cmd.end_f = endf; 1948 1949 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1950 CDRETRIES, 30000, NULL, 0)); 1951 } 1952 1953 /* 1954 * Get scsi driver to send a "start up" command 1955 */ 1956 static int 1957 cd_pause(struct cd_softc *cd, int go) 1958 { 1959 struct scsipi_pause cmd; 1960 1961 memset(&cmd, 0, sizeof(cmd)); 1962 cmd.opcode = PAUSE; 1963 cmd.resume = go & 0xff; 1964 1965 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1966 CDRETRIES, 30000, NULL, 0)); 1967 } 1968 1969 /* 1970 * Get scsi driver to send a "RESET" command 1971 */ 1972 static int 1973 cd_reset(struct cd_softc *cd) 1974 { 1975 1976 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1977 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1978 } 1979 1980 /* 1981 * Read subchannel 1982 */ 1983 static int 1984 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1985 struct cd_sub_channel_info *data, int len, int flags) 1986 { 1987 struct scsipi_read_subchannel cmd; 1988 1989 memset(&cmd, 0, sizeof(cmd)); 1990 cmd.opcode = READ_SUBCHANNEL; 1991 if (mode == CD_MSF_FORMAT) 1992 cmd.byte2 |= CD_MSF; 1993 cmd.byte3 = SRS_SUBQ; 1994 cmd.subchan_format = format; 1995 cmd.track = track; 1996 _lto2b(len, cmd.data_len); 1997 1998 return (scsipi_command(cd->sc_periph, 1999 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 2000 (void *)data, len, 2001 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 2002 } 2003 2004 /* 2005 * Read table of contents 2006 */ 2007 static int 2008 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 2009 struct cd_formatted_toc *toc, int len, int flags, int control) 2010 { 2011 struct scsipi_read_toc cmd; 2012 int ntoc; 2013 2014 memset(&cmd, 0, sizeof(cmd)); 2015 #if 0 2016 if (len != sizeof(struct ioc_toc_header)) 2017 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 2018 sizeof(struct cd_toc_entry); 2019 else 2020 #endif 2021 ntoc = len; 2022 cmd.opcode = READ_TOC; 2023 if (mode == CD_MSF_FORMAT) 2024 cmd.addr_mode |= CD_MSF; 2025 cmd.resp_format = respf; 2026 cmd.from_track = start; 2027 _lto2b(ntoc, cmd.data_len); 2028 cmd.control = control; 2029 2030 return (scsipi_command(cd->sc_periph, 2031 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2032 30000, NULL, flags | XS_CTL_DATA_IN)); 2033 } 2034 2035 static int 2036 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2037 { 2038 int ntracks, len, error; 2039 2040 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2041 flags, 0)) != 0) 2042 return (error); 2043 2044 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2045 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2046 sizeof(toc->header); 2047 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2048 flags, 0)) != 0) 2049 return (error); 2050 return (0); 2051 } 2052 2053 /* 2054 * Get the scsi driver to send a full inquiry to the device and use the 2055 * results to fill out the disk parameter structure. 2056 */ 2057 static int 2058 cd_get_parms(struct cd_softc *cd, int flags) 2059 { 2060 2061 /* 2062 * give a number of sectors so that sec * trks * cyls 2063 * is <= disk_size 2064 */ 2065 if (cd_size(cd, flags) == 0) 2066 return (ENXIO); 2067 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2068 return (0); 2069 } 2070 2071 static int 2072 cdsize(dev_t dev) 2073 { 2074 2075 /* CD-ROMs are read-only. */ 2076 return (-1); 2077 } 2078 2079 static int 2080 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2081 { 2082 2083 /* Not implemented. */ 2084 return (ENXIO); 2085 } 2086 2087 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2088 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2089 2090 static int 2091 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2092 { 2093 struct scsipi_generic cmd; 2094 u_int8_t bf[20]; 2095 int error; 2096 2097 memset(cmd.bytes, 0, 15); 2098 memset(bf, 0, sizeof(bf)); 2099 2100 switch (a->type) { 2101 case DVD_LU_SEND_AGID: 2102 cmd.opcode = GPCMD_REPORT_KEY; 2103 cmd.bytes[8] = 8; 2104 cmd.bytes[9] = 0 | (0 << 6); 2105 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2106 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2107 if (error) 2108 return (error); 2109 a->lsa.agid = bf[7] >> 6; 2110 return (0); 2111 2112 case DVD_LU_SEND_CHALLENGE: 2113 cmd.opcode = GPCMD_REPORT_KEY; 2114 cmd.bytes[8] = 16; 2115 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2116 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2117 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2118 if (error) 2119 return (error); 2120 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2121 return (0); 2122 2123 case DVD_LU_SEND_KEY1: 2124 cmd.opcode = GPCMD_REPORT_KEY; 2125 cmd.bytes[8] = 12; 2126 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2127 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2128 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2129 if (error) 2130 return (error); 2131 dvd_copy_key(a->lsk.key, &bf[4]); 2132 return (0); 2133 2134 case DVD_LU_SEND_TITLE_KEY: 2135 cmd.opcode = GPCMD_REPORT_KEY; 2136 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2137 cmd.bytes[8] = 12; 2138 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2139 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2140 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2141 if (error) 2142 return (error); 2143 a->lstk.cpm = (bf[4] >> 7) & 1; 2144 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2145 a->lstk.cgms = (bf[4] >> 4) & 3; 2146 dvd_copy_key(a->lstk.title_key, &bf[5]); 2147 return (0); 2148 2149 case DVD_LU_SEND_ASF: 2150 cmd.opcode = GPCMD_REPORT_KEY; 2151 cmd.bytes[8] = 8; 2152 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2153 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2154 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2155 if (error) 2156 return (error); 2157 a->lsasf.asf = bf[7] & 1; 2158 return (0); 2159 2160 case DVD_HOST_SEND_CHALLENGE: 2161 cmd.opcode = GPCMD_SEND_KEY; 2162 cmd.bytes[8] = 16; 2163 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2164 bf[1] = 14; 2165 dvd_copy_challenge(&bf[4], a->hsc.chal); 2166 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2167 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2168 if (error) 2169 return (error); 2170 a->type = DVD_LU_SEND_KEY1; 2171 return (0); 2172 2173 case DVD_HOST_SEND_KEY2: 2174 cmd.opcode = GPCMD_SEND_KEY; 2175 cmd.bytes[8] = 12; 2176 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2177 bf[1] = 10; 2178 dvd_copy_key(&bf[4], a->hsk.key); 2179 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2180 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2181 if (error) { 2182 a->type = DVD_AUTH_FAILURE; 2183 return (error); 2184 } 2185 a->type = DVD_AUTH_ESTABLISHED; 2186 return (0); 2187 2188 case DVD_INVALIDATE_AGID: 2189 cmd.opcode = GPCMD_REPORT_KEY; 2190 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2191 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2192 CDRETRIES, 30000, NULL, 0); 2193 if (error) 2194 return (error); 2195 return (0); 2196 2197 case DVD_LU_SEND_RPC_STATE: 2198 cmd.opcode = GPCMD_REPORT_KEY; 2199 cmd.bytes[8] = 8; 2200 cmd.bytes[9] = 8 | (0 << 6); 2201 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2202 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2203 if (error) 2204 return (error); 2205 a->lrpcs.type = (bf[4] >> 6) & 3; 2206 a->lrpcs.vra = (bf[4] >> 3) & 7; 2207 a->lrpcs.ucca = (bf[4]) & 7; 2208 a->lrpcs.region_mask = bf[5]; 2209 a->lrpcs.rpc_scheme = bf[6]; 2210 return (0); 2211 2212 case DVD_HOST_SEND_RPC_STATE: 2213 cmd.opcode = GPCMD_SEND_KEY; 2214 cmd.bytes[8] = 8; 2215 cmd.bytes[9] = 6 | (0 << 6); 2216 bf[1] = 6; 2217 bf[4] = a->hrpcs.pdrc; 2218 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2219 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 2220 if (error) 2221 return (error); 2222 return (0); 2223 2224 default: 2225 return (ENOTTY); 2226 } 2227 } 2228 2229 static int 2230 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2231 { 2232 struct scsipi_generic cmd; 2233 u_int8_t bf[4 + 4 * 20], *bufp; 2234 int error; 2235 struct dvd_layer *layer; 2236 int i; 2237 2238 memset(cmd.bytes, 0, 15); 2239 memset(bf, 0, sizeof(bf)); 2240 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2241 cmd.bytes[6] = s->type; 2242 _lto2b(sizeof(bf), &cmd.bytes[7]); 2243 2244 cmd.bytes[5] = s->physical.layer_num; 2245 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2246 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2247 if (error) 2248 return (error); 2249 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2250 i++, bufp += 20, layer++) { 2251 memset(layer, 0, sizeof(*layer)); 2252 layer->book_version = bufp[0] & 0xf; 2253 layer->book_type = bufp[0] >> 4; 2254 layer->min_rate = bufp[1] & 0xf; 2255 layer->disc_size = bufp[1] >> 4; 2256 layer->layer_type = bufp[2] & 0xf; 2257 layer->track_path = (bufp[2] >> 4) & 1; 2258 layer->nlayers = (bufp[2] >> 5) & 3; 2259 layer->track_density = bufp[3] & 0xf; 2260 layer->linear_density = bufp[3] >> 4; 2261 layer->start_sector = _4btol(&bufp[4]); 2262 layer->end_sector = _4btol(&bufp[8]); 2263 layer->end_sector_l0 = _4btol(&bufp[12]); 2264 layer->bca = bufp[16] >> 7; 2265 } 2266 return (0); 2267 } 2268 2269 static int 2270 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2271 { 2272 struct scsipi_generic cmd; 2273 u_int8_t bf[8]; 2274 int error; 2275 2276 memset(cmd.bytes, 0, 15); 2277 memset(bf, 0, sizeof(bf)); 2278 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2279 cmd.bytes[6] = s->type; 2280 _lto2b(sizeof(bf), &cmd.bytes[7]); 2281 2282 cmd.bytes[5] = s->copyright.layer_num; 2283 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2284 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2285 if (error) 2286 return (error); 2287 s->copyright.cpst = bf[4]; 2288 s->copyright.rmi = bf[5]; 2289 return (0); 2290 } 2291 2292 static int 2293 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2294 { 2295 struct scsipi_generic cmd; 2296 u_int8_t *bf; 2297 int error; 2298 2299 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2300 if (bf == NULL) 2301 return EIO; 2302 memset(cmd.bytes, 0, 15); 2303 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2304 cmd.bytes[6] = s->type; 2305 _lto2b(4 + 2048, &cmd.bytes[7]); 2306 2307 cmd.bytes[9] = s->disckey.agid << 6; 2308 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2309 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2310 if (error == 0) 2311 memcpy(s->disckey.value, &bf[4], 2048); 2312 free(bf, M_TEMP); 2313 return error; 2314 } 2315 2316 static int 2317 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2318 { 2319 struct scsipi_generic cmd; 2320 u_int8_t bf[4 + 188]; 2321 int error; 2322 2323 memset(cmd.bytes, 0, 15); 2324 memset(bf, 0, sizeof(bf)); 2325 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2326 cmd.bytes[6] = s->type; 2327 _lto2b(sizeof(bf), &cmd.bytes[7]); 2328 2329 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2330 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2331 if (error) 2332 return (error); 2333 s->bca.len = _2btol(&bf[0]); 2334 if (s->bca.len < 12 || s->bca.len > 188) 2335 return (EIO); 2336 memcpy(s->bca.value, &bf[4], s->bca.len); 2337 return (0); 2338 } 2339 2340 static int 2341 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2342 { 2343 struct scsipi_generic cmd; 2344 u_int8_t *bf; 2345 int error; 2346 2347 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2348 if (bf == NULL) 2349 return (EIO); 2350 memset(cmd.bytes, 0, 15); 2351 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2352 cmd.bytes[6] = s->type; 2353 _lto2b(4 + 2048, &cmd.bytes[7]); 2354 2355 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2356 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2357 if (error == 0) { 2358 s->manufact.len = _2btol(&bf[0]); 2359 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2360 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2361 else 2362 error = EIO; 2363 } 2364 free(bf, M_TEMP); 2365 return error; 2366 } 2367 2368 static int 2369 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2370 { 2371 2372 switch (s->type) { 2373 case DVD_STRUCT_PHYSICAL: 2374 return (dvd_read_physical(cd, s)); 2375 case DVD_STRUCT_COPYRIGHT: 2376 return (dvd_read_copyright(cd, s)); 2377 case DVD_STRUCT_DISCKEY: 2378 return (dvd_read_disckey(cd, s)); 2379 case DVD_STRUCT_BCA: 2380 return (dvd_read_bca(cd, s)); 2381 case DVD_STRUCT_MANUFACT: 2382 return (dvd_read_manufact(cd, s)); 2383 default: 2384 return (EINVAL); 2385 } 2386 } 2387 2388 static int 2389 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2390 int page, int flags, int *big) 2391 { 2392 2393 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2394 *big = 1; 2395 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2396 size + sizeof(struct scsi_mode_parameter_header_10), 2397 flags, CDRETRIES, 20000); 2398 } else { 2399 *big = 0; 2400 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2401 size + sizeof(struct scsi_mode_parameter_header_6), 2402 flags, CDRETRIES, 20000); 2403 } 2404 } 2405 2406 static int 2407 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2408 int flags, int big) 2409 { 2410 2411 if (big) { 2412 struct scsi_mode_parameter_header_10 *header = sense; 2413 2414 _lto2b(0, header->data_length); 2415 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2416 size + sizeof(struct scsi_mode_parameter_header_10), 2417 flags, CDRETRIES, 20000); 2418 } else { 2419 struct scsi_mode_parameter_header_6 *header = sense; 2420 2421 header->data_length = 0; 2422 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2423 size + sizeof(struct scsi_mode_parameter_header_6), 2424 flags, CDRETRIES, 20000); 2425 } 2426 } 2427 2428 static int 2429 cd_set_pa_immed(struct cd_softc *cd, int flags) 2430 { 2431 struct { 2432 union { 2433 struct scsi_mode_parameter_header_6 small; 2434 struct scsi_mode_parameter_header_10 big; 2435 } header; 2436 struct cd_audio_page page; 2437 } data; 2438 int error; 2439 uint8_t oflags; 2440 int big, byte2; 2441 struct cd_audio_page *page; 2442 2443 byte2 = SMS_DBD; 2444 try_again: 2445 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2446 AUDIO_PAGE, flags, &big)) != 0) { 2447 if (byte2 == SMS_DBD) { 2448 /* Device may not understand DBD; retry without */ 2449 byte2 = 0; 2450 goto try_again; 2451 } 2452 return (error); 2453 } 2454 2455 if (big) 2456 page = (void *)((u_long)&data.header.big + 2457 sizeof data.header.big + 2458 _2btol(data.header.big.blk_desc_len)); 2459 else 2460 page = (void *)((u_long)&data.header.small + 2461 sizeof data.header.small + 2462 data.header.small.blk_desc_len); 2463 2464 oflags = page->flags; 2465 page->flags &= ~CD_PA_SOTC; 2466 page->flags |= CD_PA_IMMED; 2467 if (oflags == page->flags) 2468 return (0); 2469 2470 return (cd_mode_select(cd, SMS_PF, &data, 2471 sizeof(struct scsi_mode_page_header) + page->pg_length, 2472 flags, big)); 2473 } 2474 2475 static int 2476 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2477 { 2478 struct { 2479 union { 2480 struct scsi_mode_parameter_header_6 small; 2481 struct scsi_mode_parameter_header_10 big; 2482 } header; 2483 struct cd_audio_page page; 2484 } data; 2485 int error; 2486 int big, byte2; 2487 struct cd_audio_page *page; 2488 2489 byte2 = SMS_DBD; 2490 try_again: 2491 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2492 AUDIO_PAGE, flags, &big)) != 0) { 2493 if (byte2 == SMS_DBD) { 2494 /* Device may not understand DBD; retry without */ 2495 byte2 = 0; 2496 goto try_again; 2497 } 2498 return (error); 2499 } 2500 2501 if (big) 2502 page = (void *)((u_long)&data.header.big + 2503 sizeof data.header.big + 2504 _2btol(data.header.big.blk_desc_len)); 2505 else 2506 page = (void *)((u_long)&data.header.small + 2507 sizeof data.header.small + 2508 data.header.small.blk_desc_len); 2509 2510 page->port[0].channels = p0; 2511 page->port[1].channels = p1; 2512 page->port[2].channels = p2; 2513 page->port[3].channels = p3; 2514 2515 return (cd_mode_select(cd, SMS_PF, &data, 2516 sizeof(struct scsi_mode_page_header) + page->pg_length, 2517 flags, big)); 2518 } 2519 2520 static int 2521 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2522 { 2523 struct { 2524 union { 2525 struct scsi_mode_parameter_header_6 small; 2526 struct scsi_mode_parameter_header_10 big; 2527 } header; 2528 struct cd_audio_page page; 2529 } data; 2530 int error; 2531 int big, byte2; 2532 struct cd_audio_page *page; 2533 2534 byte2 = SMS_DBD; 2535 try_again: 2536 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2537 AUDIO_PAGE, flags, &big)) != 0) { 2538 if (byte2 == SMS_DBD) { 2539 /* Device may not understand DBD; retry without */ 2540 byte2 = 0; 2541 goto try_again; 2542 } 2543 return (error); 2544 } 2545 2546 if (big) 2547 page = (void *)((u_long)&data.header.big + 2548 sizeof data.header.big + 2549 _2btol(data.header.big.blk_desc_len)); 2550 else 2551 page = (void *)((u_long)&data.header.small + 2552 sizeof data.header.small + 2553 data.header.small.blk_desc_len); 2554 2555 arg->vol[0] = page->port[0].volume; 2556 arg->vol[1] = page->port[1].volume; 2557 arg->vol[2] = page->port[2].volume; 2558 arg->vol[3] = page->port[3].volume; 2559 2560 return (0); 2561 } 2562 2563 static int 2564 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2565 { 2566 struct { 2567 union { 2568 struct scsi_mode_parameter_header_6 small; 2569 struct scsi_mode_parameter_header_10 big; 2570 } header; 2571 struct cd_audio_page page; 2572 } data, mask; 2573 int error; 2574 int big, byte2; 2575 struct cd_audio_page *page, *page2; 2576 2577 byte2 = SMS_DBD; 2578 try_again: 2579 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2580 AUDIO_PAGE, flags, &big)) != 0) { 2581 if (byte2 == SMS_DBD) { 2582 /* Device may not understand DBD; retry without */ 2583 byte2 = 0; 2584 goto try_again; 2585 } 2586 return (error); 2587 } 2588 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2589 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2590 return (error); 2591 2592 if (big) { 2593 page = (void *)((u_long)&data.header.big + 2594 sizeof data.header.big + 2595 _2btol(data.header.big.blk_desc_len)); 2596 page2 = (void *)((u_long)&mask.header.big + 2597 sizeof mask.header.big + 2598 _2btol(mask.header.big.blk_desc_len)); 2599 } else { 2600 page = (void *)((u_long)&data.header.small + 2601 sizeof data.header.small + 2602 data.header.small.blk_desc_len); 2603 page2 = (void *)((u_long)&mask.header.small + 2604 sizeof mask.header.small + 2605 mask.header.small.blk_desc_len); 2606 } 2607 2608 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2609 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2610 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2611 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2612 2613 page->port[0].channels = CHANNEL_0; 2614 page->port[1].channels = CHANNEL_1; 2615 2616 return (cd_mode_select(cd, SMS_PF, &data, 2617 sizeof(struct scsi_mode_page_header) + page->pg_length, 2618 flags, big)); 2619 } 2620 2621 static int 2622 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2623 { 2624 struct scsipi_load_unload cmd; 2625 2626 memset(&cmd, 0, sizeof(cmd)); 2627 cmd.opcode = LOAD_UNLOAD; 2628 cmd.options = args->options; /* ioctl uses MMC values */ 2629 cmd.slot = args->slot; 2630 2631 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2632 CDRETRIES, 200000, NULL, 0)); 2633 } 2634 2635 static int 2636 cd_setblksize(struct cd_softc *cd) 2637 { 2638 struct { 2639 union { 2640 struct scsi_mode_parameter_header_6 small; 2641 struct scsi_mode_parameter_header_10 big; 2642 } header; 2643 struct scsi_general_block_descriptor blk_desc; 2644 } data; 2645 int error; 2646 int big, bsize; 2647 struct scsi_general_block_descriptor *bdesc; 2648 2649 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2650 &big)) != 0) 2651 return (error); 2652 2653 if (big) { 2654 bdesc = (void *)(&data.header.big + 1); 2655 bsize = _2btol(data.header.big.blk_desc_len); 2656 } else { 2657 bdesc = (void *)(&data.header.small + 1); 2658 bsize = data.header.small.blk_desc_len; 2659 } 2660 2661 if (bsize == 0) { 2662 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2663 return (EINVAL); 2664 } 2665 if (_3btol(bdesc->blklen) == 2048) { 2666 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2667 return (EINVAL); 2668 } 2669 2670 _lto3b(2048, bdesc->blklen); 2671 2672 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2673 big)); 2674 } 2675 2676 2677 static int 2678 mmc_profile2class(uint16_t mmc_profile) 2679 { 2680 switch (mmc_profile) { 2681 case 0x01 : /* SCSI discs */ 2682 case 0x02 : 2683 /* this can't happen really, cd.c wouldn't have matched */ 2684 return MMC_CLASS_DISC; 2685 case 0x03 : /* Magneto Optical with sector erase */ 2686 case 0x04 : /* Magneto Optical write once */ 2687 case 0x05 : /* Advance Storage Magneto Optical */ 2688 return MMC_CLASS_MO; 2689 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2690 case 0x08 : /* CD-ROM */ 2691 case 0x09 : /* CD-R */ 2692 case 0x0a : /* CD-RW */ 2693 return MMC_CLASS_CD; 2694 case 0x10 : /* DVD-ROM */ 2695 case 0x11 : /* DVD-R */ 2696 case 0x12 : /* DVD-RAM */ 2697 case 0x13 : /* DVD-RW restricted overwrite */ 2698 case 0x14 : /* DVD-RW sequential */ 2699 case 0x1a : /* DVD+RW */ 2700 case 0x1b : /* DVD+R */ 2701 case 0x2a : /* DVD+RW Dual layer */ 2702 case 0x2b : /* DVD+R Dual layer */ 2703 case 0x50 : /* HD DVD-ROM */ 2704 case 0x51 : /* HD DVD-R */ 2705 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2706 return MMC_CLASS_DVD; 2707 case 0x40 : /* BD-ROM */ 2708 case 0x41 : /* BD-R Sequential recording (SRM) */ 2709 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2710 case 0x43 : /* BD-RE */ 2711 return MMC_CLASS_BD; 2712 } 2713 return MMC_CLASS_UNKN; 2714 } 2715 2716 2717 /* 2718 * Drive/media combination is reflected in a series of features that can 2719 * either be current or dormant. We try to make sense out of them to create a 2720 * set of easy to use flags that abstract the device/media capabilities. 2721 */ 2722 2723 static void 2724 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2725 uint16_t feature, int cur, uint8_t *rpos) 2726 { 2727 uint32_t blockingnr; 2728 uint64_t flags; 2729 2730 if (cur == 1) { 2731 flags = mmc_discinfo->mmc_cur; 2732 } else { 2733 flags = mmc_discinfo->mmc_cap; 2734 } 2735 2736 switch (feature) { 2737 case 0x0010 : /* random readable feature */ 2738 blockingnr = rpos[5] | (rpos[4] << 8); 2739 if (blockingnr > 1) 2740 flags |= MMC_CAP_PACKET; 2741 2742 /* RW error page */ 2743 break; 2744 case 0x0020 : /* random writable feature */ 2745 flags |= MMC_CAP_RECORDABLE; 2746 flags |= MMC_CAP_REWRITABLE; 2747 blockingnr = rpos[9] | (rpos[8] << 8); 2748 if (blockingnr > 1) 2749 flags |= MMC_CAP_PACKET; 2750 break; 2751 case 0x0021 : /* incremental streaming write feature */ 2752 flags |= MMC_CAP_RECORDABLE; 2753 flags |= MMC_CAP_SEQUENTIAL; 2754 if (cur) 2755 mmc_discinfo->link_block_penalty = rpos[4]; 2756 if (rpos[2] & 1) 2757 flags |= MMC_CAP_ZEROLINKBLK; 2758 break; 2759 case 0x0022 : /* (obsolete) erase support feature */ 2760 flags |= MMC_CAP_RECORDABLE; 2761 flags |= MMC_CAP_ERASABLE; 2762 break; 2763 case 0x0023 : /* formatting media support feature */ 2764 flags |= MMC_CAP_RECORDABLE; 2765 flags |= MMC_CAP_FORMATTABLE; 2766 break; 2767 case 0x0024 : /* hardware assised defect management feature */ 2768 flags |= MMC_CAP_HW_DEFECTFREE; 2769 break; 2770 case 0x0025 : /* write once */ 2771 flags |= MMC_CAP_RECORDABLE; 2772 break; 2773 case 0x0026 : /* restricted overwrite feature */ 2774 flags |= MMC_CAP_RECORDABLE; 2775 flags |= MMC_CAP_REWRITABLE; 2776 flags |= MMC_CAP_STRICTOVERWRITE; 2777 break; 2778 case 0x0028 : /* MRW formatted media support feature */ 2779 flags |= MMC_CAP_MRW; 2780 break; 2781 case 0x002b : /* DVD+R read (and opt. write) support */ 2782 flags |= MMC_CAP_SEQUENTIAL; 2783 if (rpos[0] & 1) /* write support */ 2784 flags |= MMC_CAP_RECORDABLE; 2785 break; 2786 case 0x002c : /* rigid restricted overwrite feature */ 2787 flags |= MMC_CAP_RECORDABLE; 2788 flags |= MMC_CAP_REWRITABLE; 2789 flags |= MMC_CAP_STRICTOVERWRITE; 2790 if (rpos[0] & 1) /* blank bit */ 2791 flags |= MMC_CAP_BLANKABLE; 2792 break; 2793 case 0x002d : /* track at once recording feature */ 2794 flags |= MMC_CAP_RECORDABLE; 2795 flags |= MMC_CAP_SEQUENTIAL; 2796 break; 2797 case 0x002f : /* DVD-R/-RW write feature */ 2798 flags |= MMC_CAP_RECORDABLE; 2799 if (rpos[0] & 2) /* DVD-RW bit */ 2800 flags |= MMC_CAP_BLANKABLE; 2801 break; 2802 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2803 flags |= MMC_CAP_PSEUDOOVERWRITE; 2804 break; 2805 default : 2806 /* ignore */ 2807 break; 2808 } 2809 2810 if (cur == 1) { 2811 mmc_discinfo->mmc_cur = flags; 2812 } else { 2813 mmc_discinfo->mmc_cap = flags; 2814 } 2815 } 2816 2817 static int 2818 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2819 struct mmc_discinfo *mmc_discinfo) 2820 { 2821 struct scsipi_read_toc gtoc_cmd; 2822 struct scsipi_toc_header *toc_hdr; 2823 struct scsipi_toc_msinfo *toc_msinfo; 2824 const uint32_t buffer_size = 1024; 2825 uint32_t req_size; 2826 uint8_t *buffer; 2827 int error, flags; 2828 2829 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2830 /* 2831 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2832 * care' but others might be of interest to programs. 2833 */ 2834 2835 mmc_discinfo->disc_state = MMC_STATE_FULL; 2836 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2837 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2838 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2839 2840 /* get number of sessions and first tracknr in last session */ 2841 flags = XS_CTL_DATA_IN; 2842 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2843 gtoc_cmd.opcode = READ_TOC; 2844 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2845 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2846 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2847 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2848 _lto2b(req_size, gtoc_cmd.data_len); 2849 2850 error = scsipi_command(periph, 2851 (void *)>oc_cmd, sizeof(gtoc_cmd), 2852 (void *)buffer, req_size, 2853 CDRETRIES, 30000, NULL, flags); 2854 if (error) 2855 goto out; 2856 toc_hdr = (struct scsipi_toc_header *) buffer; 2857 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2858 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2859 mmc_discinfo->first_track = toc_hdr->first; 2860 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2861 2862 /* get last track of last session */ 2863 flags = XS_CTL_DATA_IN; 2864 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2865 req_size = sizeof(*toc_hdr); 2866 _lto2b(req_size, gtoc_cmd.data_len); 2867 2868 error = scsipi_command(periph, 2869 (void *)>oc_cmd, sizeof(gtoc_cmd), 2870 (void *)buffer, req_size, 2871 CDRETRIES, 30000, NULL, flags); 2872 if (error) 2873 goto out; 2874 toc_hdr = (struct scsipi_toc_header *) buffer; 2875 mmc_discinfo->last_track_last_session = toc_hdr->last; 2876 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2877 2878 /* TODO how to handle disc_barcode and disc_id */ 2879 /* done */ 2880 2881 out: 2882 free(buffer, M_TEMP); 2883 return error; 2884 } 2885 2886 static int 2887 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2888 struct mmc_discinfo *mmc_discinfo) 2889 { 2890 struct scsipi_read_toc gtoc_cmd; 2891 struct scsipi_toc_header toc_hdr; 2892 uint32_t req_size; 2893 int error, flags; 2894 2895 /* 2896 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2897 * care' but others might be of interest to programs. 2898 */ 2899 2900 mmc_discinfo->disc_state = MMC_STATE_FULL; 2901 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2902 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2903 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2904 2905 /* get number of sessions and first tracknr in last session */ 2906 flags = XS_CTL_DATA_IN; 2907 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2908 gtoc_cmd.opcode = READ_TOC; 2909 gtoc_cmd.addr_mode = 0; /* LBA */ 2910 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2911 gtoc_cmd.from_track = 1; /* first track */ 2912 req_size = sizeof(toc_hdr); 2913 _lto2b(req_size, gtoc_cmd.data_len); 2914 2915 error = scsipi_command(periph, 2916 (void *)>oc_cmd, sizeof(gtoc_cmd), 2917 (void *)&toc_hdr, req_size, 2918 CDRETRIES, 30000, NULL, flags); 2919 if (error) 2920 return error; 2921 2922 /* DVD-ROM squashes the track/session space */ 2923 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2924 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2925 mmc_discinfo->first_track = toc_hdr.first; 2926 mmc_discinfo->first_track_last_session = toc_hdr.last; 2927 mmc_discinfo->last_track_last_session = toc_hdr.last; 2928 2929 /* TODO how to handle disc_barcode and disc_id */ 2930 /* done */ 2931 return 0; 2932 } 2933 2934 static int 2935 mmc_getdiscinfo(struct scsipi_periph *periph, 2936 struct mmc_discinfo *mmc_discinfo) 2937 { 2938 struct scsipi_get_configuration gc_cmd; 2939 struct scsipi_get_conf_data *gc; 2940 struct scsipi_get_conf_feature *gcf; 2941 struct scsipi_read_discinfo di_cmd; 2942 struct scsipi_read_discinfo_data di; 2943 const uint32_t buffer_size = 1024; 2944 uint32_t feat_tbl_len, pos; 2945 u_long last_lba; 2946 uint8_t *buffer, *fpos; 2947 int feature, last_feature, features_len, feature_cur, feature_len; 2948 int lsb, msb, error, flags; 2949 2950 feat_tbl_len = buffer_size; 2951 2952 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2953 2954 /* initialise structure */ 2955 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2956 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2957 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2958 mmc_discinfo->mmc_cur = 0; 2959 mmc_discinfo->mmc_cap = 0; 2960 mmc_discinfo->link_block_penalty = 0; 2961 2962 /* determine mmc profile and class */ 2963 flags = XS_CTL_DATA_IN; 2964 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2965 gc_cmd.opcode = GET_CONFIGURATION; 2966 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2967 2968 gc = (struct scsipi_get_conf_data *) buffer; 2969 2970 error = scsipi_command(periph, 2971 (void *)&gc_cmd, sizeof(gc_cmd), 2972 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2973 CDRETRIES, 30000, NULL, flags); 2974 if (error) 2975 goto out; 2976 2977 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2978 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2979 2980 /* assume 2048 sector size unless told otherwise */ 2981 mmc_discinfo->sector_size = 2048; 2982 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2983 if (error) 2984 goto out; 2985 2986 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2987 2988 /* Read in all features to determine device capabilities */ 2989 last_feature = feature = 0; 2990 do { 2991 /* determine mmc profile and class */ 2992 flags = XS_CTL_DATA_IN; 2993 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2994 gc_cmd.opcode = GET_CONFIGURATION; 2995 _lto2b(last_feature, gc_cmd.start_at_feature); 2996 _lto2b(feat_tbl_len, gc_cmd.data_len); 2997 2998 error = scsipi_command(periph, 2999 (void *)&gc_cmd, sizeof(gc_cmd), 3000 (void *) gc, feat_tbl_len, 3001 CDRETRIES, 30000, NULL, flags); 3002 if (error) { 3003 /* ieeek... break out of loop... i dunno what to do */ 3004 break; 3005 } 3006 3007 features_len = _4btol(gc->data_len); 3008 if (features_len < 4) 3009 break; 3010 3011 pos = 0; 3012 fpos = &gc->feature_desc[0]; 3013 while (pos < features_len - 4) { 3014 gcf = (struct scsipi_get_conf_feature *) fpos; 3015 3016 feature = _2btol(gcf->featurecode); 3017 feature_cur = gcf->flags & 1; 3018 feature_len = gcf->additional_length; 3019 3020 mmc_process_feature(mmc_discinfo, 3021 feature, feature_cur, 3022 gcf->feature_dependent); 3023 3024 last_feature = MAX(last_feature, feature); 3025 #ifdef DIAGNOSTIC 3026 /* assert((feature_len & 3) == 0); */ 3027 if ((feature_len & 3) != 0) { 3028 printf("feature %d having length %d\n", 3029 feature, feature_len); 3030 } 3031 #endif 3032 3033 pos += 4 + feature_len; 3034 fpos += 4 + feature_len; 3035 } 3036 /* unlikely to ever grow past our 1kb buffer */ 3037 } while (features_len >= 0xffff); 3038 3039 /* 3040 * Fixup CD-RW drives that are on crack. 3041 * 3042 * Some drives report the capability to incrementally write 3043 * sequentially on CD-R(W) media... nice, but this should not be 3044 * active for a fixed packet formatted CD-RW media. Other report the 3045 * ability of HW_DEFECTFREE even when the media is NOT MRW 3046 * formatted.... 3047 */ 3048 if (mmc_discinfo->mmc_profile == 0x0a) { 3049 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 3050 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 3051 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 3052 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3053 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 3054 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3055 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 3056 } else { 3057 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 3058 } 3059 } 3060 if (mmc_discinfo->mmc_profile == 0x09) { 3061 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 3062 } 3063 3064 #ifdef DEBUG 3065 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3066 mmc_discinfo->mmc_profile, 3067 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3068 #endif 3069 3070 /* read in disc state and number of sessions and tracks */ 3071 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3072 memset(&di_cmd, 0, sizeof(di_cmd)); 3073 di_cmd.opcode = READ_DISCINFO; 3074 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3075 3076 error = scsipi_command(periph, 3077 (void *)&di_cmd, sizeof(di_cmd), 3078 (void *)&di, READ_DISCINFO_BIGSIZE, 3079 CDRETRIES, 30000, NULL, flags); 3080 3081 if (error) { 3082 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3083 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3084 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3085 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3086 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3087 /* CD/DVD drive is violating specs */ 3088 error = EIO; 3089 goto out; 3090 } 3091 3092 /* call went OK */ 3093 mmc_discinfo->disc_state = di.disc_state & 3; 3094 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3095 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3096 3097 lsb = di.num_sessions_lsb; 3098 msb = di.num_sessions_msb; 3099 mmc_discinfo->num_sessions = lsb | (msb << 8); 3100 3101 mmc_discinfo->first_track = di.first_track; 3102 lsb = di.first_track_last_session_lsb; 3103 msb = di.first_track_last_session_msb; 3104 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3105 lsb = di.last_track_last_session_lsb; 3106 msb = di.last_track_last_session_msb; 3107 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3108 3109 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3110 mmc_discinfo->first_track + 1; 3111 3112 /* set misc. flags and parameters from this disc info */ 3113 if (di.disc_state & 16) 3114 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3115 3116 if (di.disc_state2 & 128) { 3117 mmc_discinfo->disc_id = _4btol(di.discid); 3118 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3119 } 3120 if (di.disc_state2 & 64) { 3121 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3122 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3123 } 3124 if (di.disc_state2 & 32) 3125 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3126 3127 if (di.disc_state2 & 16) { 3128 mmc_discinfo->application_code = di.application_code; 3129 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3130 } 3131 3132 /* done */ 3133 3134 out: 3135 free(buffer, M_TEMP); 3136 return error; 3137 } 3138 3139 static int 3140 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3141 struct mmc_trackinfo *trackinfo) 3142 { 3143 struct scsipi_read_toc gtoc_cmd; 3144 struct scsipi_toc_header *toc_hdr; 3145 struct scsipi_toc_rawtoc *rawtoc; 3146 uint32_t track_start, track_end, track_size; 3147 uint32_t last_recorded, next_writable; 3148 uint32_t lba, next_track_start, lead_out; 3149 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3150 uint8_t *buffer; 3151 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3152 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 3153 int size, req_size; 3154 int error, flags; 3155 3156 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3157 3158 /* 3159 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3160 * 3161 * Not all information is present and this presents a problem. Track 3162 * starts are known for each track but other values are deducted. 3163 * 3164 * For a complete overview of `magic' values used here, see the 3165 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3166 * names, they are specified as numbers. 3167 */ 3168 3169 /* get raw toc to process, first header to check size */ 3170 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3171 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3172 gtoc_cmd.opcode = READ_TOC; 3173 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3174 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3175 gtoc_cmd.from_track = 1; /* first session */ 3176 req_size = sizeof(*toc_hdr); 3177 _lto2b(req_size, gtoc_cmd.data_len); 3178 3179 error = scsipi_command(periph, 3180 (void *)>oc_cmd, sizeof(gtoc_cmd), 3181 (void *)buffer, req_size, 3182 CDRETRIES, 30000, NULL, flags); 3183 if (error) 3184 goto out; 3185 toc_hdr = (struct scsipi_toc_header *) buffer; 3186 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3187 #ifdef DIAGNOSTIC 3188 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3189 #endif 3190 error = ENOBUFS; 3191 goto out; 3192 } 3193 3194 /* read in complete raw toc */ 3195 req_size = _2btol(toc_hdr->length); 3196 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 3197 _lto2b(req_size, gtoc_cmd.data_len); 3198 3199 error = scsipi_command(periph, 3200 (void *)>oc_cmd, sizeof(gtoc_cmd), 3201 (void *)buffer, req_size, 3202 CDRETRIES, 30000, NULL, flags); 3203 if (error) 3204 goto out; 3205 3206 toc_hdr = (struct scsipi_toc_header *) buffer; 3207 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3208 3209 track_start = 0; 3210 track_end = 0; 3211 track_size = 0; 3212 last_recorded = 0; 3213 next_writable = 0; 3214 flags = 0; 3215 3216 last_tracknr = 1; 3217 next_track_start = 0; 3218 track_sessionnr = MAXTRACK; /* by definition */ 3219 lead_out = 0; 3220 3221 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3222 while (size > 0) { 3223 /* get track start and session end */ 3224 tno = rawtoc->tno; 3225 sessionnr = rawtoc->sessionnr; 3226 adr = rawtoc->adrcontrol >> 4; 3227 control = rawtoc->adrcontrol & 0xf; 3228 point = rawtoc->point; 3229 tmin = rawtoc->min; 3230 tsec = rawtoc->sec; 3231 tframe = rawtoc->frame; 3232 pmin = rawtoc->pmin; 3233 psec = rawtoc->psec; 3234 pframe = rawtoc->pframe; 3235 3236 if (tno == 0 && sessionnr && adr == 1) { 3237 lba = hmsf2lba(0, pmin, psec, pframe); 3238 if (point == trackinfo->tracknr) { 3239 track_start = lba; 3240 track_sessionnr = sessionnr; 3241 } 3242 if (point == trackinfo->tracknr + 1) { 3243 /* estimate size */ 3244 track_size = lba - track_start; 3245 next_track_start = lba; 3246 } 3247 if (point == 0xa2) { 3248 lead_out = lba; 3249 } 3250 if (point <= 0x63) { 3251 /* CD's ok, DVD are glued */ 3252 last_tracknr = point; 3253 } 3254 if (sessionnr == track_sessionnr) { 3255 last_recorded = lead_out; 3256 } 3257 } 3258 if (tno == 0 && sessionnr && adr == 5) { 3259 lba = hmsf2lba(0, tmin, tsec, tframe); 3260 if (sessionnr == track_sessionnr) { 3261 next_writable = lba; 3262 } 3263 } 3264 3265 if ((control & (3<<2)) == 4) /* 01xxb */ 3266 flags |= MMC_TRACKINFO_DATA; 3267 if ((control & (1<<2)) == 0) { /* x0xxb */ 3268 flags |= MMC_TRACKINFO_AUDIO; 3269 if (control & 1) /* xxx1b */ 3270 flags |= MMC_TRACKINFO_PRE_EMPH; 3271 } 3272 3273 rawtoc++; 3274 size -= sizeof(struct scsipi_toc_rawtoc); 3275 } 3276 3277 /* process found values; some voodoo */ 3278 /* if no tracksize tracknr is the last of the disc */ 3279 if ((track_size == 0) && last_recorded) { 3280 track_size = last_recorded - track_start; 3281 } 3282 /* if last_recorded < tracksize, tracksize is overestimated */ 3283 if (last_recorded) { 3284 if (last_recorded - track_start <= track_size) { 3285 track_size = last_recorded - track_start; 3286 flags |= MMC_TRACKINFO_LRA_VALID; 3287 } 3288 } 3289 /* check if its a the last track of the sector */ 3290 if (next_writable) { 3291 if (next_track_start > next_writable) 3292 flags |= MMC_TRACKINFO_NWA_VALID; 3293 } 3294 3295 /* no flag set -> no values */ 3296 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3297 last_recorded = 0; 3298 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3299 next_writable = 0; 3300 3301 /* fill in */ 3302 /* trackinfo->tracknr preserved */ 3303 trackinfo->sessionnr = track_sessionnr; 3304 trackinfo->track_mode = 7; /* data, incremental */ 3305 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3306 3307 trackinfo->flags = flags; 3308 trackinfo->track_start = track_start; 3309 trackinfo->next_writable = next_writable; 3310 trackinfo->free_blocks = 0; 3311 trackinfo->packet_size = 1; 3312 trackinfo->track_size = track_size; 3313 trackinfo->last_recorded = last_recorded; 3314 3315 out: 3316 free(buffer, M_TEMP); 3317 return error; 3318 3319 } 3320 3321 static int 3322 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3323 struct mmc_trackinfo *trackinfo) 3324 { 3325 struct scsipi_read_toc gtoc_cmd; 3326 struct scsipi_toc_header *toc_hdr; 3327 struct scsipi_toc_formatted *toc; 3328 uint32_t tracknr, track_start, track_size; 3329 uint32_t lba, lead_out; 3330 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3331 uint8_t *buffer; 3332 uint8_t control, last_tracknr; 3333 int size, req_size; 3334 int error, flags; 3335 3336 3337 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3338 /* 3339 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3340 * CD-ROM emulation uses since the specification tells us that no such 3341 * thing is defined for DVD's. The reason for this is due to the large 3342 * number of tracks and that would clash with the `magic' values. This 3343 * suxs. 3344 * 3345 * Not all information is present and this presents a problem. 3346 * Track starts are known for each track but other values are 3347 * deducted. 3348 */ 3349 3350 /* get formatted toc to process, first header to check size */ 3351 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3352 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3353 gtoc_cmd.opcode = READ_TOC; 3354 gtoc_cmd.addr_mode = 0; /* lba's please */ 3355 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3356 gtoc_cmd.from_track = 1; /* first track */ 3357 req_size = sizeof(*toc_hdr); 3358 _lto2b(req_size, gtoc_cmd.data_len); 3359 3360 error = scsipi_command(periph, 3361 (void *)>oc_cmd, sizeof(gtoc_cmd), 3362 (void *)buffer, req_size, 3363 CDRETRIES, 30000, NULL, flags); 3364 if (error) 3365 goto out; 3366 toc_hdr = (struct scsipi_toc_header *) buffer; 3367 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3368 #ifdef DIAGNOSTIC 3369 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3370 #endif 3371 error = ENOBUFS; 3372 goto out; 3373 } 3374 3375 /* read in complete formatted toc */ 3376 req_size = _2btol(toc_hdr->length); 3377 _lto2b(req_size, gtoc_cmd.data_len); 3378 3379 error = scsipi_command(periph, 3380 (void *)>oc_cmd, sizeof(gtoc_cmd), 3381 (void *)buffer, req_size, 3382 CDRETRIES, 30000, NULL, flags); 3383 if (error) 3384 goto out; 3385 3386 toc_hdr = (struct scsipi_toc_header *) buffer; 3387 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3388 3389 /* as in read disc info, all sessions are converted to tracks */ 3390 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3391 /* last track -> we got the size from the lead-out */ 3392 3393 tracknr = 0; 3394 last_tracknr = toc_hdr->last; 3395 track_start = 0; 3396 track_size = 0; 3397 lead_out = 0; 3398 flags = 0; 3399 3400 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3401 while (size > 0) { 3402 /* remember, DVD-ROM: tracknr == sessionnr */ 3403 lba = _4btol(toc->msf_lba); 3404 tracknr = toc->tracknr; 3405 control = toc->adrcontrol & 0xf; 3406 3407 if (trackinfo->tracknr == tracknr) { 3408 track_start = lba; 3409 } 3410 if (trackinfo->tracknr == tracknr+1) { 3411 track_size = lba - track_start; 3412 track_size -= 16; /* link block ? */ 3413 } 3414 if (tracknr == 0xAA) { 3415 lead_out = lba; 3416 } 3417 3418 if ((control & (3<<2)) == 4) /* 01xxb */ 3419 flags |= MMC_TRACKINFO_DATA; 3420 if ((control & (1<<2)) == 0) { /* x0xxb */ 3421 flags |= MMC_TRACKINFO_AUDIO; 3422 if (control & (1<<3)) /* 10xxb */ 3423 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3424 if (control & 1) /* xxx1b */ 3425 flags |= MMC_TRACKINFO_PRE_EMPH; 3426 } 3427 3428 toc++; 3429 size -= sizeof(struct scsipi_toc_formatted); 3430 } 3431 if (trackinfo->tracknr == last_tracknr) { 3432 track_size = lead_out - track_start; 3433 } 3434 3435 /* fill in */ 3436 /* trackinfo->tracknr preserved */ 3437 trackinfo->sessionnr = trackinfo->tracknr; 3438 trackinfo->track_mode = 0; /* unknown */ 3439 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3440 3441 trackinfo->flags = flags; 3442 trackinfo->track_start = track_start; 3443 trackinfo->next_writable = 0; 3444 trackinfo->free_blocks = 0; 3445 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3446 trackinfo->track_size = track_size; 3447 trackinfo->last_recorded = 0; 3448 3449 out: 3450 free(buffer, M_TEMP); 3451 return error; 3452 } 3453 3454 static int 3455 mmc_gettrackinfo(struct scsipi_periph *periph, 3456 struct mmc_trackinfo *trackinfo) 3457 { 3458 struct scsipi_read_trackinfo ti_cmd; 3459 struct scsipi_read_trackinfo_data ti; 3460 struct scsipi_get_configuration gc_cmd; 3461 struct scsipi_get_conf_data gc; 3462 int error, flags; 3463 int mmc_profile; 3464 3465 /* set up SCSI call with track number from trackinfo.tracknr */ 3466 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3467 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3468 ti_cmd.opcode = READ_TRACKINFO; 3469 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3470 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3471 3472 /* trackinfo.tracknr contains number of tracks to query */ 3473 _lto4b(trackinfo->tracknr, ti_cmd.address); 3474 error = scsipi_command(periph, 3475 (void *)&ti_cmd, sizeof(ti_cmd), 3476 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3477 CDRETRIES, 30000, NULL, flags); 3478 3479 if (error) { 3480 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3481 /* first determine mmc profile */ 3482 flags = XS_CTL_DATA_IN; 3483 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3484 gc_cmd.opcode = GET_CONFIGURATION; 3485 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3486 3487 error = scsipi_command(periph, 3488 (void *)&gc_cmd, sizeof(gc_cmd), 3489 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3490 CDRETRIES, 30000, NULL, flags); 3491 if (error) 3492 return error; 3493 mmc_profile = _2btol(gc.mmc_profile); 3494 3495 /* choose emulation */ 3496 if (mmc_profile == 0x08) /* CD-ROM */ 3497 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3498 if (mmc_profile == 0x10) /* DVD-ROM */ 3499 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3500 /* CD/DVD drive is violating specs */ 3501 return EIO; 3502 } 3503 3504 /* (re)initialise structure */ 3505 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3506 3507 /* account for short returns screwing up track and session msb */ 3508 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3509 ti.track_msb = 0; 3510 ti.session_msb = 0; 3511 } 3512 3513 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3514 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3515 trackinfo->track_mode = ti.track_info_1 & 0xf; 3516 trackinfo->data_mode = ti.track_info_2 & 0xf; 3517 3518 flags = 0; 3519 if (ti.track_info_1 & 0x10) 3520 flags |= MMC_TRACKINFO_COPY; 3521 if (ti.track_info_1 & 0x20) 3522 flags |= MMC_TRACKINFO_DAMAGED; 3523 if (ti.track_info_2 & 0x10) 3524 flags |= MMC_TRACKINFO_FIXED_PACKET; 3525 if (ti.track_info_2 & 0x20) 3526 flags |= MMC_TRACKINFO_INCREMENTAL; 3527 if (ti.track_info_2 & 0x40) 3528 flags |= MMC_TRACKINFO_BLANK; 3529 if (ti.track_info_2 & 0x80) 3530 flags |= MMC_TRACKINFO_RESERVED; 3531 if (ti.data_valid & 0x01) 3532 flags |= MMC_TRACKINFO_NWA_VALID; 3533 if (ti.data_valid & 0x02) 3534 flags |= MMC_TRACKINFO_LRA_VALID; 3535 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3536 flags |= MMC_TRACKINFO_DATA; 3537 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3538 flags |= MMC_TRACKINFO_AUDIO; 3539 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3540 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3541 if (trackinfo->track_mode & 1) /* xxx1b */ 3542 flags |= MMC_TRACKINFO_PRE_EMPH; 3543 } 3544 3545 trackinfo->flags = flags; 3546 trackinfo->track_start = _4btol(ti.track_start); 3547 trackinfo->next_writable = _4btol(ti.next_writable); 3548 trackinfo->free_blocks = _4btol(ti.free_blocks); 3549 trackinfo->packet_size = _4btol(ti.packet_size); 3550 trackinfo->track_size = _4btol(ti.track_size); 3551 trackinfo->last_recorded = _4btol(ti.last_recorded); 3552 3553 return 0; 3554 } 3555 3556 static int 3557 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3558 struct scsipi_close_tracksession close_cmd; 3559 int error, flags; 3560 3561 /* set up SCSI call with track number */ 3562 flags = XS_CTL_DATA_OUT; 3563 memset(&close_cmd, 0, sizeof(close_cmd)); 3564 close_cmd.opcode = CLOSE_TRACKSESSION; 3565 close_cmd.function = func; 3566 _lto2b(param, close_cmd.tracksessionnr); 3567 3568 error = scsipi_command(periph, 3569 (void *) &close_cmd, sizeof(close_cmd), 3570 NULL, 0, 3571 CDRETRIES, 120000, NULL, flags); 3572 3573 return error; 3574 } 3575 3576 static int 3577 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3578 { 3579 int mmc_profile = mmc_op->mmc_profile; 3580 3581 switch (mmc_profile) { 3582 case 0x12 : /* DVD-RAM */ 3583 case 0x1a : /* DVD+RW */ 3584 case 0x2a : /* DVD+RW Dual layer */ 3585 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3586 case 0x43 : /* BD-RE */ 3587 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3588 return EINVAL; 3589 } 3590 3591 return mmc_doclose(periph, mmc_op->tracknr, 1); 3592 } 3593 3594 static int 3595 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3596 { 3597 uint8_t blob[MS5LEN], *page5; 3598 int mmc_profile = mmc_op->mmc_profile; 3599 int func, close, flags; 3600 int error; 3601 3602 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3603 3604 switch (mmc_profile) { 3605 case 0x09 : /* CD-R */ 3606 case 0x0a : /* CD-RW */ 3607 /* Special case : need to update MS field in mode page 5 */ 3608 memset(blob, 0, sizeof(blob)); 3609 page5 = blob+8; 3610 3611 flags = XS_CTL_DATA_IN; 3612 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3613 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3614 if (error) 3615 return error; 3616 3617 /* set multi session field when closing a session only */ 3618 page5[3] &= 63; 3619 if (close) 3620 page5[3] |= 3 << 6; 3621 3622 flags = XS_CTL_DATA_OUT; 3623 error = scsipi_mode_select_big(periph, SMS_PF, 3624 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3625 if (error) 3626 return error; 3627 /* and use funtion 2 */ 3628 func = 2; 3629 break; 3630 case 0x11 : /* DVD-R (DL) */ 3631 case 0x13 : /* DVD-RW restricted overwrite */ 3632 case 0x14 : /* DVD-RW sequential */ 3633 func = close ? 2 : 3; 3634 break; 3635 case 0x1b : /* DVD+R */ 3636 case 0x2b : /* DVD+R Dual layer */ 3637 case 0x51 : /* HD DVD-R */ 3638 case 0x41 : /* BD-R Sequential recording (SRM) */ 3639 func = close ? 2 : 6; 3640 break; 3641 case 0x12 : /* DVD-RAM */ 3642 case 0x1a : /* DVD+RW */ 3643 case 0x2a : /* DVD+RW Dual layer */ 3644 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3645 case 0x43 : /* BD-RE */ 3646 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3647 return EINVAL; 3648 default: 3649 printf("MMC close/finalise passed wrong device type! (%d)\n", 3650 mmc_profile); 3651 return EINVAL; 3652 } 3653 3654 return mmc_doclose(periph, mmc_op->sessionnr, func); 3655 } 3656 3657 static int 3658 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3659 { 3660 struct scsipi_reserve_track reserve_cmd; 3661 uint32_t extent; 3662 int error, flags; 3663 3664 /* TODO make mmc safeguards? */ 3665 extent = mmc_op->extent; 3666 /* TODO min/max support? */ 3667 3668 /* set up SCSI call with requested space */ 3669 flags = XS_CTL_DATA_OUT; 3670 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3671 reserve_cmd.opcode = RESERVE_TRACK; 3672 _lto4b(extent, reserve_cmd.reservation_size); 3673 3674 error = scsipi_command(periph, 3675 (void *) &reserve_cmd, sizeof(reserve_cmd), 3676 NULL, 0, 3677 CDRETRIES, 30000, NULL, flags); 3678 3679 return error; 3680 } 3681 3682 static int 3683 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3684 { 3685 /* XXX assumes that NWA given is valid */ 3686 switch (mmc_op->mmc_profile) { 3687 case 0x09 : /* CD-R */ 3688 /* XXX unknown boundary checks XXX */ 3689 if (mmc_op->extent <= 152) 3690 return EINVAL; 3691 /* CD-R takes 152 sectors to close track */ 3692 mmc_op->extent -= 152; 3693 return mmc_do_reserve_track(periph, mmc_op); 3694 case 0x11 : /* DVD-R (DL) */ 3695 case 0x1b : /* DVD+R */ 3696 case 0x2b : /* DVD+R Dual layer */ 3697 if (mmc_op->extent % 16) 3698 return EINVAL; 3699 /* upto one ECC block of 16 sectors lost */ 3700 mmc_op->extent -= 16; 3701 return mmc_do_reserve_track(periph, mmc_op); 3702 case 0x41 : /* BD-R Sequential recording (SRM) */ 3703 case 0x51 : /* HD DVD-R */ 3704 if (mmc_op->extent % 32) 3705 return EINVAL; 3706 /* one ECC block of 32 sectors lost (AFAIK) */ 3707 mmc_op->extent -= 32; 3708 return mmc_do_reserve_track(periph, mmc_op); 3709 } 3710 3711 /* unknown behaviour or invalid disc type */ 3712 return EINVAL; 3713 } 3714 3715 static int 3716 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3717 { 3718 struct scsipi_repair_track repair_cmd; 3719 int error, flags; 3720 3721 /* TODO make mmc safeguards? */ 3722 3723 /* set up SCSI call with track number */ 3724 flags = XS_CTL_DATA_OUT; 3725 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3726 repair_cmd.opcode = REPAIR_TRACK; 3727 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3728 3729 error = scsipi_command(periph, 3730 (void *) &repair_cmd, sizeof(repair_cmd), 3731 NULL, 0, 3732 CDRETRIES, 30000, NULL, flags); 3733 3734 return error; 3735 } 3736 3737 static int 3738 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3739 { 3740 /* guard operation value */ 3741 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3742 return EINVAL; 3743 3744 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3745 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3746 return cdcachesync(periph, 0); 3747 3748 /* zero mmc_profile means unknown disc so operations are not defined */ 3749 if (mmc_op->mmc_profile == 0) { 3750 #ifdef DEBUG 3751 printf("mmc_do_op called with mmc_profile = 0\n"); 3752 #endif 3753 return EINVAL; 3754 } 3755 3756 /* do the operations */ 3757 switch (mmc_op->operation) { 3758 case MMC_OP_CLOSETRACK : 3759 return mmc_do_closetrack(periph, mmc_op); 3760 case MMC_OP_CLOSESESSION : 3761 case MMC_OP_FINALISEDISC : 3762 return mmc_do_close_or_finalise(periph, mmc_op); 3763 case MMC_OP_RESERVETRACK : 3764 return mmc_do_reserve_track(periph, mmc_op); 3765 case MMC_OP_RESERVETRACK_NWA : 3766 return mmc_do_reserve_track_nwa(periph, mmc_op); 3767 case MMC_OP_REPAIRTRACK : 3768 return mmc_do_repair_track(periph, mmc_op); 3769 case MMC_OP_UNCLOSELASTSESSION : 3770 /* TODO unclose last session support */ 3771 return EINVAL; 3772 default : 3773 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3774 } 3775 3776 return EINVAL; 3777 } 3778 3779 static int 3780 mmc_setup_writeparams(struct scsipi_periph *periph, 3781 struct mmc_writeparams *mmc_writeparams) 3782 { 3783 struct mmc_trackinfo trackinfo; 3784 uint8_t blob[MS5LEN]; 3785 uint8_t *page5; 3786 int flags, error; 3787 int track_mode, data_mode; 3788 3789 /* setup mode page 5 for CD only */ 3790 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3791 return 0; 3792 3793 memset(blob, 0, sizeof(blob)); 3794 page5 = blob+8; 3795 3796 /* read mode page 5 (with header) */ 3797 flags = XS_CTL_DATA_IN; 3798 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3799 sizeof(blob), flags, CDRETRIES, 20000); 3800 if (error) 3801 return error; 3802 3803 /* set page length for reasurance */ 3804 page5[1] = P5LEN; /* page length */ 3805 3806 /* write type packet/incremental */ 3807 page5[2] &= 0xf0; 3808 3809 /* set specified mode parameters */ 3810 track_mode = mmc_writeparams->track_mode; 3811 data_mode = mmc_writeparams->data_mode; 3812 if (track_mode <= 0 || track_mode > 15) 3813 return EINVAL; 3814 if (data_mode < 1 || data_mode > 2) 3815 return EINVAL; 3816 3817 /* if a tracknr is passed, setup according to the track */ 3818 if (mmc_writeparams->tracknr > 0) { 3819 trackinfo.tracknr = mmc_writeparams->tracknr; 3820 error = mmc_gettrackinfo(periph, &trackinfo); 3821 if (error) 3822 return error; 3823 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3824 track_mode = trackinfo.track_mode; 3825 data_mode = trackinfo.data_mode; 3826 } 3827 mmc_writeparams->blockingnr = trackinfo.packet_size; 3828 } 3829 3830 /* copy track mode and data mode from trackinfo */ 3831 page5[3] &= 16; /* keep only `Copy' bit */ 3832 page5[3] |= (3 << 6) | track_mode; 3833 page5[4] &= 0xf0; /* wipe data block type */ 3834 if (data_mode == 1) { 3835 /* select ISO mode 1 (CD only) */ 3836 page5[4] |= 8; 3837 /* select session format normal disc (CD only) */ 3838 page5[8] = 0; 3839 } else { 3840 /* select ISO mode 2; XA form 1 (CD only) */ 3841 page5[4] |= 10; 3842 /* select session format CD-ROM XA disc (CD only) */ 3843 page5[8] = 0x20; 3844 } 3845 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3846 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3847 /* set BUFE buffer underrun protection */ 3848 page5[2] |= 1<<6; 3849 } 3850 /* allow for multi session */ 3851 page5[3] |= 3 << 6; 3852 } else { 3853 /* select fixed packets */ 3854 page5[3] |= 1<<5; 3855 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3856 } 3857 3858 /* write out updated mode page 5 (with header) */ 3859 flags = XS_CTL_DATA_OUT; 3860 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3861 sizeof(blob), flags, CDRETRIES, 20000); 3862 if (error) 3863 return error; 3864 3865 return 0; 3866 } 3867 3868 static void 3869 cd_set_properties(struct cd_softc *cd) 3870 { 3871 prop_dictionary_t disk_info, odisk_info, geom; 3872 3873 disk_info = prop_dictionary_create(); 3874 3875 geom = prop_dictionary_create(); 3876 3877 prop_dictionary_set_uint64(geom, "sectors-per-unit", 3878 cd->params.disksize); 3879 3880 prop_dictionary_set_uint32(geom, "sector-size", 3881 cd->params.blksize); 3882 3883 prop_dictionary_set(disk_info, "geometry", geom); 3884 prop_object_release(geom); 3885 3886 prop_dictionary_set(device_properties(cd->sc_dev), 3887 "disk-info", disk_info); 3888 3889 /* 3890 * Don't release disk_info here; we keep a reference to it. 3891 * disk_detach() will release it when we go away. 3892 */ 3893 3894 odisk_info = cd->sc_dk.dk_info; 3895 cd->sc_dk.dk_info = disk_info; 3896 if (odisk_info) 3897 prop_object_release(odisk_info); 3898 } 3899