1 /* $NetBSD: cd.c,v 1.277 2008/05/02 16:06:38 reinoud Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC discinfo/trackinfo contributed to the NetBSD Foundation by Reinoud 11 * Zandijk. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 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 1.277 2008/05/02 16:06:38 reinoud Exp $"); 54 55 #include "rnd.h" 56 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/kernel.h> 60 #include <sys/file.h> 61 #include <sys/stat.h> 62 #include <sys/ioctl.h> 63 #include <sys/buf.h> 64 #include <sys/bufq.h> 65 #include <sys/uio.h> 66 #include <sys/malloc.h> 67 #include <sys/errno.h> 68 #include <sys/device.h> 69 #include <sys/disklabel.h> 70 #include <sys/disk.h> 71 #include <sys/cdio.h> 72 #include <sys/dvdio.h> 73 #include <sys/scsiio.h> 74 #include <sys/proc.h> 75 #include <sys/conf.h> 76 #include <sys/vnode.h> 77 #if NRND > 0 78 #include <sys/rnd.h> 79 #endif 80 81 #include <dev/scsipi/scsi_spc.h> 82 #include <dev/scsipi/scsipi_all.h> 83 #include <dev/scsipi/scsipi_cd.h> 84 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 85 #include <dev/scsipi/scsi_all.h> 86 /* from there */ 87 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 88 #include <dev/scsipi/scsipiconf.h> 89 #include <dev/scsipi/scsipi_base.h> 90 #include <dev/scsipi/cdvar.h> 91 92 #define CDUNIT(z) DISKUNIT(z) 93 #define CDPART(z) DISKPART(z) 94 #define CDMINOR(unit, part) DISKMINOR(unit, part) 95 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 96 97 #define MAXTRACK 99 98 #define CD_BLOCK_OFFSET 150 99 #define CD_FRAMES 75 100 #define CD_SECS 60 101 102 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 103 #define CD_TOC_MSINFO 1 /* multi-session info */ 104 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 105 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 106 #define CD_TOC_ATIP 4 /* pressed space of recordable */ 107 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 108 109 struct cd_formatted_toc { 110 struct ioc_toc_header header; 111 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 112 /* leadout */ 113 }; 114 115 struct cdbounce { 116 struct buf *obp; /* original buf */ 117 int doff; /* byte offset in orig. buf */ 118 int soff; /* byte offset in bounce buf */ 119 int resid; /* residual i/o in orig. buf */ 120 int bcount; /* actual obp bytes in bounce */ 121 }; 122 123 static void cdstart(struct scsipi_periph *); 124 static void cdrestart(void *); 125 static void cdminphys(struct buf *); 126 static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 127 struct disklabel *); 128 static void cdgetdisklabel(struct cd_softc *); 129 static void cddone(struct scsipi_xfer *, int); 130 static void cdbounce(struct buf *); 131 static int cd_interpret_sense(struct scsipi_xfer *); 132 static u_long cd_size(struct cd_softc *, int); 133 static int cd_play(struct cd_softc *, int, int); 134 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 135 int, int, int, int); 136 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 137 static int cd_pause(struct cd_softc *, int); 138 static int cd_reset(struct cd_softc *); 139 static int cd_read_subchannel(struct cd_softc *, int, int, int, 140 struct cd_sub_channel_info *, int, int); 141 static int cd_read_toc(struct cd_softc *, int, int, int, 142 struct cd_formatted_toc *, int, int, int); 143 static int cd_get_parms(struct cd_softc *, int); 144 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 145 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 146 147 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 148 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 149 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 150 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 151 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 152 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 153 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 154 155 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 156 int, int *); 157 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 158 int, int); 159 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 160 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 161 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 162 static int cd_set_pa_immed(struct cd_softc *, int); 163 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 164 static int cd_setblksize(struct cd_softc *); 165 166 static int cdmatch(device_t, cfdata_t, void *); 167 static void cdattach(device_t, device_t, void *); 168 static int cdactivate(device_t, enum devact); 169 static int cddetach(device_t, int); 170 171 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 172 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 173 174 CFATTACH_DECL_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 175 cdactivate); 176 177 extern struct cfdriver cd_cd; 178 179 static const struct scsipi_inquiry_pattern cd_patterns[] = { 180 {T_CDROM, T_REMOV, 181 "", "", ""}, 182 {T_WORM, T_REMOV, 183 "", "", ""}, 184 #if 0 185 {T_CDROM, T_REMOV, /* more luns */ 186 "PIONEER ", "CD-ROM DRM-600 ", ""}, 187 #endif 188 {T_DIRECT, T_REMOV, 189 "NEC CD-ROM DRIVE:260", "", ""}, 190 }; 191 192 static dev_type_open(cdopen); 193 static dev_type_close(cdclose); 194 static dev_type_read(cdread); 195 static dev_type_write(cdwrite); 196 static dev_type_ioctl(cdioctl); 197 static dev_type_strategy(cdstrategy); 198 static dev_type_dump(cddump); 199 static dev_type_size(cdsize); 200 201 const struct bdevsw cd_bdevsw = { 202 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 203 }; 204 205 const struct cdevsw cd_cdevsw = { 206 cdopen, cdclose, cdread, cdwrite, cdioctl, 207 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 208 }; 209 210 static struct dkdriver cddkdriver = { cdstrategy, NULL }; 211 212 static const struct scsipi_periphsw cd_switch = { 213 cd_interpret_sense, /* use our error handler first */ 214 cdstart, /* we have a queue, which is started by this */ 215 NULL, /* we do not have an async handler */ 216 cddone, /* deal with stats at interrupt time */ 217 }; 218 219 /* 220 * The routine called by the low level scsi routine when it discovers 221 * A device suitable for this driver 222 */ 223 static int 224 cdmatch(device_t parent, cfdata_t match, void *aux) 225 { 226 struct scsipibus_attach_args *sa = aux; 227 int priority; 228 229 (void)scsipi_inqmatch(&sa->sa_inqbuf, 230 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 231 sizeof(cd_patterns[0]), &priority); 232 233 return (priority); 234 } 235 236 static void 237 cdattach(device_t parent, device_t self, void *aux) 238 { 239 struct cd_softc *cd = device_private(self); 240 struct scsipibus_attach_args *sa = aux; 241 struct scsipi_periph *periph = sa->sa_periph; 242 243 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 244 245 cd->sc_dev = self; 246 247 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 248 249 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 250 periph->periph_version == 0) 251 cd->flags |= CDF_ANCIENT; 252 253 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 254 255 callout_init(&cd->sc_callout, 0); 256 257 /* 258 * Store information needed to contact our base driver 259 */ 260 cd->sc_periph = periph; 261 262 periph->periph_dev = cd->sc_dev; 263 periph->periph_switch = &cd_switch; 264 265 /* 266 * Increase our openings to the maximum-per-periph 267 * supported by the adapter. This will either be 268 * clamped down or grown by the adapter if necessary. 269 */ 270 periph->periph_openings = 271 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 272 periph->periph_flags |= PERIPH_GROW_OPENINGS; 273 274 /* 275 * Initialize and attach the disk structure. 276 */ 277 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver); 278 disk_attach(&cd->sc_dk); 279 280 printf("\n"); 281 282 #if NRND > 0 283 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev), 284 RND_TYPE_DISK, 0); 285 #endif 286 287 if (!pmf_device_register(self, NULL, NULL)) 288 aprint_error_dev(self, "couldn't establish power handler\n"); 289 } 290 291 static int 292 cdactivate(device_t self, enum devact act) 293 { 294 int rv = 0; 295 296 switch (act) { 297 case DVACT_ACTIVATE: 298 rv = EOPNOTSUPP; 299 break; 300 301 case DVACT_DEACTIVATE: 302 /* 303 * Nothing to do; we key off the device's DVF_ACTIVE. 304 */ 305 break; 306 } 307 return (rv); 308 } 309 310 static int 311 cddetach(device_t self, int flags) 312 { 313 struct cd_softc *cd = device_private(self); 314 int s, bmaj, cmaj, i, mn; 315 316 /* locate the major number */ 317 bmaj = bdevsw_lookup_major(&cd_bdevsw); 318 cmaj = cdevsw_lookup_major(&cd_cdevsw); 319 /* Nuke the vnodes for any open instances */ 320 for (i = 0; i < MAXPARTITIONS; i++) { 321 mn = CDMINOR(device_unit(self), i); 322 vdevgone(bmaj, mn, mn, VBLK); 323 vdevgone(cmaj, mn, mn, VCHR); 324 } 325 326 /* kill any pending restart */ 327 callout_stop(&cd->sc_callout); 328 329 s = splbio(); 330 331 /* Kill off any queued buffers. */ 332 bufq_drain(cd->buf_queue); 333 334 bufq_free(cd->buf_queue); 335 336 /* Kill off any pending commands. */ 337 scsipi_kill_pending(cd->sc_periph); 338 339 splx(s); 340 341 mutex_destroy(&cd->sc_lock); 342 343 /* Detach from the disk list. */ 344 disk_detach(&cd->sc_dk); 345 disk_destroy(&cd->sc_dk); 346 347 #if 0 348 /* Get rid of the shutdown hook. */ 349 if (cd->sc_sdhook != NULL) 350 shutdownhook_disestablish(cd->sc_sdhook); 351 #endif 352 353 #if NRND > 0 354 /* Unhook the entropy source. */ 355 rnd_detach_source(&cd->rnd_source); 356 #endif 357 358 return (0); 359 } 360 361 /* 362 * open the device. Make sure the partition info is a up-to-date as can be. 363 */ 364 static int 365 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 366 { 367 struct cd_softc *cd; 368 struct scsipi_periph *periph; 369 struct scsipi_adapter *adapt; 370 int part; 371 int error; 372 int rawpart; 373 374 cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 375 if (cd == NULL) 376 return (ENXIO); 377 378 periph = cd->sc_periph; 379 adapt = periph->periph_channel->chan_adapter; 380 part = CDPART(dev); 381 382 SC_DEBUG(periph, SCSIPI_DB1, 383 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, 384 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev))); 385 386 /* 387 * If this is the first open of this device, add a reference 388 * to the adapter. 389 */ 390 if (cd->sc_dk.dk_openmask == 0 && 391 (error = scsipi_adapter_addref(adapt)) != 0) 392 return (error); 393 394 mutex_enter(&cd->sc_lock); 395 396 rawpart = (part == RAW_PART && fmt == S_IFCHR); 397 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 398 /* 399 * If any partition is open, but the disk has been invalidated, 400 * disallow further opens. 401 */ 402 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 403 !rawpart) { 404 error = EIO; 405 goto bad3; 406 } 407 } else { 408 int silent; 409 410 if (rawpart) 411 silent = XS_CTL_SILENT; 412 else 413 silent = 0; 414 415 /* Check that it is still responding and ok. */ 416 error = scsipi_test_unit_ready(periph, 417 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 418 silent); 419 420 /* 421 * Start the pack spinning if necessary. Always allow the 422 * raw parition to be opened, for raw IOCTLs. Data transfers 423 * will check for SDEV_MEDIA_LOADED. 424 */ 425 if (error == EIO) { 426 int error2; 427 428 error2 = scsipi_start(periph, SSS_START, silent); 429 switch (error2) { 430 case 0: 431 error = 0; 432 break; 433 case EIO: 434 case EINVAL: 435 break; 436 default: 437 error = error2; 438 break; 439 } 440 } 441 if (error) { 442 if (rawpart) 443 goto out; 444 goto bad3; 445 } 446 447 periph->periph_flags |= PERIPH_OPEN; 448 449 /* Lock the pack in. */ 450 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 451 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 452 SC_DEBUG(periph, SCSIPI_DB1, 453 ("cdopen: scsipi_prevent, error=%d\n", error)); 454 if (error) { 455 if (rawpart) 456 goto out; 457 goto bad; 458 } 459 460 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 461 /* Load the physical device parameters. */ 462 if (cd_get_parms(cd, 0) != 0) { 463 if (rawpart) 464 goto out; 465 error = ENXIO; 466 goto bad; 467 } 468 periph->periph_flags |= PERIPH_MEDIA_LOADED; 469 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 470 471 /* Fabricate a disk label. */ 472 cdgetdisklabel(cd); 473 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 474 } 475 } 476 477 /* Check that the partition exists. */ 478 if (part != RAW_PART && 479 (part >= cd->sc_dk.dk_label->d_npartitions || 480 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 481 error = ENXIO; 482 goto bad; 483 } 484 485 out: /* Insure only one open at a time. */ 486 switch (fmt) { 487 case S_IFCHR: 488 cd->sc_dk.dk_copenmask |= (1 << part); 489 break; 490 case S_IFBLK: 491 cd->sc_dk.dk_bopenmask |= (1 << part); 492 break; 493 } 494 cd->sc_dk.dk_openmask = 495 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 496 497 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 498 mutex_exit(&cd->sc_lock); 499 return (0); 500 501 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 502 503 bad: 504 if (cd->sc_dk.dk_openmask == 0) { 505 scsipi_prevent(periph, SPAMR_ALLOW, 506 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 507 periph->periph_flags &= ~PERIPH_OPEN; 508 } 509 510 bad3: 511 mutex_exit(&cd->sc_lock); 512 if (cd->sc_dk.dk_openmask == 0) 513 scsipi_adapter_delref(adapt); 514 return (error); 515 } 516 517 /* 518 * close the device.. only called if we are the LAST 519 * occurence of an open device 520 */ 521 static int 522 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 523 { 524 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 525 struct scsipi_periph *periph = cd->sc_periph; 526 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 527 int part = CDPART(dev); 528 529 mutex_enter(&cd->sc_lock); 530 531 switch (fmt) { 532 case S_IFCHR: 533 cd->sc_dk.dk_copenmask &= ~(1 << part); 534 break; 535 case S_IFBLK: 536 cd->sc_dk.dk_bopenmask &= ~(1 << part); 537 break; 538 } 539 cd->sc_dk.dk_openmask = 540 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 541 542 if (cd->sc_dk.dk_openmask == 0) { 543 scsipi_wait_drain(periph); 544 545 scsipi_prevent(periph, SPAMR_ALLOW, 546 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 547 XS_CTL_IGNORE_NOT_READY); 548 periph->periph_flags &= ~PERIPH_OPEN; 549 550 scsipi_wait_drain(periph); 551 552 scsipi_adapter_delref(adapt); 553 } 554 555 mutex_exit(&cd->sc_lock); 556 return (0); 557 } 558 559 /* 560 * Actually translate the requested transfer into one the physical driver can 561 * understand. The transfer is described by a buf and will include only one 562 * physical transfer. 563 */ 564 static void 565 cdstrategy(struct buf *bp) 566 { 567 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 568 struct disklabel *lp; 569 struct scsipi_periph *periph = cd->sc_periph; 570 daddr_t blkno; 571 int s; 572 573 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 574 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 575 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 576 /* 577 * If the device has been made invalid, error out 578 * maybe the media changed 579 */ 580 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 581 if (periph->periph_flags & PERIPH_OPEN) 582 bp->b_error = EIO; 583 else 584 bp->b_error = ENODEV; 585 goto done; 586 } 587 588 lp = cd->sc_dk.dk_label; 589 590 /* 591 * The transfer must be a whole number of blocks, offset must not 592 * be negative. 593 */ 594 if ((bp->b_bcount % lp->d_secsize) != 0 || 595 bp->b_blkno < 0 ) { 596 bp->b_error = EINVAL; 597 goto done; 598 } 599 /* 600 * If it's a null transfer, return immediately 601 */ 602 if (bp->b_bcount == 0) 603 goto done; 604 605 /* 606 * Do bounds checking, adjust transfer. if error, process. 607 * If end of partition, just return. 608 */ 609 if (CDPART(bp->b_dev) == RAW_PART) { 610 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 611 cd->params.disksize512) <= 0) 612 goto done; 613 } else { 614 if (bounds_check_with_label(&cd->sc_dk, bp, 615 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 616 goto done; 617 } 618 619 /* 620 * Now convert the block number to absolute and put it in 621 * terms of the device's logical block size. 622 */ 623 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 624 if (CDPART(bp->b_dev) != RAW_PART) 625 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 626 627 bp->b_rawblkno = blkno; 628 629 /* 630 * If the disklabel sector size does not match the device 631 * sector size we may need to do some extra work. 632 */ 633 if (lp->d_secsize != cd->params.blksize) { 634 635 /* 636 * If the xfer is not a multiple of the device block size 637 * or it is not block aligned, we need to bounce it. 638 */ 639 if ((bp->b_bcount % cd->params.blksize) != 0 || 640 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 641 struct cdbounce *bounce; 642 struct buf *nbp; 643 long count; 644 645 if ((bp->b_flags & B_READ) == 0) { 646 647 /* XXXX We don't support bouncing writes. */ 648 bp->b_error = EACCES; 649 goto done; 650 } 651 652 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 653 if (!bounce) { 654 /* No memory -- fail the iop. */ 655 bp->b_error = ENOMEM; 656 goto done; 657 } 658 659 bounce->obp = bp; 660 bounce->resid = bp->b_bcount; 661 bounce->doff = 0; 662 count = ((blkno * lp->d_secsize) % cd->params.blksize); 663 bounce->soff = count; 664 count += bp->b_bcount; 665 count = roundup(count, cd->params.blksize); 666 bounce->bcount = bounce->resid; 667 if (count > MAXPHYS) { 668 bounce->bcount = MAXPHYS - bounce->soff; 669 count = MAXPHYS; 670 } 671 672 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 673 nbp = getiobuf(false, NULL); 674 if (!nbp) { 675 /* No memory -- fail the iop. */ 676 free(bounce, M_DEVBUF); 677 bp->b_error = ENOMEM; 678 goto done; 679 } 680 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 681 if (!nbp->b_data) { 682 /* No memory -- fail the iop. */ 683 free(bounce, M_DEVBUF); 684 putiobuf(nbp); 685 bp->b_error = ENOMEM; 686 goto done; 687 } 688 689 /* Set up the IOP to the bounce buffer. */ 690 nbp->b_error = 0; 691 nbp->b_proc = bp->b_proc; 692 nbp->b_bcount = count; 693 nbp->b_bufsize = count; 694 nbp->b_rawblkno = blkno; 695 nbp->b_flags = bp->b_flags | B_READ; 696 nbp->b_oflags = bp->b_oflags; 697 nbp->b_cflags = bp->b_cflags; 698 nbp->b_iodone = cdbounce; 699 700 /* store bounce state in b_private and use new buf */ 701 nbp->b_private = bounce; 702 703 BIO_COPYPRIO(nbp, bp); 704 705 bp = nbp; 706 707 } else { 708 /* Xfer is aligned -- just adjust the start block */ 709 bp->b_rawblkno = (blkno * lp->d_secsize) / 710 cd->params.blksize; 711 } 712 } 713 s = splbio(); 714 715 /* 716 * Place it in the queue of disk activities for this disk. 717 * 718 * XXX Only do disksort() if the current operating mode does not 719 * XXX include tagged queueing. 720 */ 721 BUFQ_PUT(cd->buf_queue, bp); 722 723 /* 724 * Tell the device to get going on the transfer if it's 725 * not doing anything, otherwise just wait for completion 726 */ 727 cdstart(cd->sc_periph); 728 729 splx(s); 730 return; 731 732 done: 733 /* 734 * Correctly set the buf to indicate a completed xfer 735 */ 736 bp->b_resid = bp->b_bcount; 737 biodone(bp); 738 } 739 740 /* 741 * cdstart looks to see if there is a buf waiting for the device 742 * and that the device is not already busy. If both are true, 743 * It deques the buf and creates a scsi command to perform the 744 * transfer in the buf. The transfer request will call scsipi_done 745 * on completion, which will in turn call this routine again 746 * so that the next queued transfer is performed. 747 * The bufs are queued by the strategy routine (cdstrategy) 748 * 749 * This routine is also called after other non-queued requests 750 * have been made of the scsi driver, to ensure that the queue 751 * continues to be drained. 752 * 753 * must be called at the correct (highish) spl level 754 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 755 */ 756 static void 757 cdstart(struct scsipi_periph *periph) 758 { 759 struct cd_softc *cd = device_private(periph->periph_dev); 760 struct buf *bp = 0; 761 struct scsipi_rw_10 cmd_big; 762 struct scsi_rw_6 cmd_small; 763 struct scsipi_generic *cmdp; 764 struct scsipi_xfer *xs; 765 int flags, nblks, cmdlen, error; 766 767 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 768 /* 769 * Check if the device has room for another command 770 */ 771 while (periph->periph_active < periph->periph_openings) { 772 /* 773 * there is excess capacity, but a special waits 774 * It'll need the adapter as soon as we clear out of the 775 * way and let it run (user level wait). 776 */ 777 if (periph->periph_flags & PERIPH_WAITING) { 778 periph->periph_flags &= ~PERIPH_WAITING; 779 wakeup((void *)periph); 780 return; 781 } 782 783 /* 784 * If the device has become invalid, abort all the 785 * reads and writes until all files have been closed and 786 * re-opened 787 */ 788 if (__predict_false( 789 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 790 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 791 bp->b_error = EIO; 792 bp->b_resid = bp->b_bcount; 793 biodone(bp); 794 continue; 795 } else { 796 return; 797 } 798 } 799 800 /* 801 * See if there is a buf with work for us to do.. 802 */ 803 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 804 return; 805 806 /* 807 * We have a buf, now we should make a command. 808 */ 809 810 nblks = howmany(bp->b_bcount, cd->params.blksize); 811 812 /* 813 * Fill out the scsi command. If the transfer will 814 * fit in a "small" cdb, use it. 815 */ 816 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 817 ((nblks & 0xff) == nblks) && 818 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 819 /* 820 * We can fit in a small cdb. 821 */ 822 memset(&cmd_small, 0, sizeof(cmd_small)); 823 cmd_small.opcode = (bp->b_flags & B_READ) ? 824 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 825 _lto3b(bp->b_rawblkno, cmd_small.addr); 826 cmd_small.length = nblks & 0xff; 827 cmdlen = sizeof(cmd_small); 828 cmdp = (struct scsipi_generic *)&cmd_small; 829 } else { 830 /* 831 * Need a large cdb. 832 */ 833 memset(&cmd_big, 0, sizeof(cmd_big)); 834 cmd_big.opcode = (bp->b_flags & B_READ) ? 835 READ_10 : WRITE_10; 836 _lto4b(bp->b_rawblkno, cmd_big.addr); 837 _lto2b(nblks, cmd_big.length); 838 cmdlen = sizeof(cmd_big); 839 cmdp = (struct scsipi_generic *)&cmd_big; 840 } 841 842 /* Instrumentation. */ 843 disk_busy(&cd->sc_dk); 844 845 /* 846 * Figure out what flags to use. 847 */ 848 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 849 if (bp->b_flags & B_READ) 850 flags |= XS_CTL_DATA_IN; 851 else 852 flags |= XS_CTL_DATA_OUT; 853 854 /* 855 * Call the routine that chats with the adapter. 856 * Note: we cannot sleep as we may be an interrupt 857 */ 858 xs = scsipi_make_xs(periph, cmdp, cmdlen, 859 (u_char *)bp->b_data, bp->b_bcount, 860 CDRETRIES, 30000, bp, flags); 861 if (__predict_false(xs == NULL)) { 862 /* 863 * out of memory. Keep this buffer in the queue, and 864 * retry later. 865 */ 866 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 867 periph); 868 return; 869 } 870 /* 871 * need to dequeue the buffer before queuing the command, 872 * because cdstart may be called recursively from the 873 * HBA driver 874 */ 875 #ifdef DIAGNOSTIC 876 if (BUFQ_GET(cd->buf_queue) != bp) 877 panic("cdstart(): dequeued wrong buf"); 878 #else 879 BUFQ_GET(cd->buf_queue); 880 #endif 881 error = scsipi_execute_xs(xs); 882 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 883 KASSERT(error == 0); 884 } 885 } 886 887 static void 888 cdrestart(void *v) 889 { 890 int s = splbio(); 891 cdstart((struct scsipi_periph *)v); 892 splx(s); 893 } 894 895 static void 896 cddone(struct scsipi_xfer *xs, int error) 897 { 898 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 899 struct buf *bp = xs->bp; 900 901 if (bp) { 902 /* note, bp->b_resid is NOT initialised */ 903 bp->b_error = error; 904 bp->b_resid = xs->resid; 905 if (error) { 906 /* on a read/write error bp->b_resid is zero, so fix */ 907 bp->b_resid = bp->b_bcount; 908 } 909 910 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 911 (bp->b_flags & B_READ)); 912 #if NRND > 0 913 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 914 #endif 915 916 biodone(bp); 917 } 918 } 919 920 static void 921 cdbounce(struct buf *bp) 922 { 923 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 924 struct buf *obp = bounce->obp; 925 struct cd_softc *cd = 926 device_private(cd_cd.cd_devs[CDUNIT(obp->b_dev)]); 927 struct disklabel *lp = cd->sc_dk.dk_label; 928 929 if (bp->b_error != 0) { 930 /* EEK propagate the error and free the memory */ 931 goto done; 932 } 933 934 KASSERT(obp->b_flags & B_READ); 935 936 /* copy bounce buffer to final destination */ 937 memcpy((char *)obp->b_data + bounce->doff, 938 (char *)bp->b_data + bounce->soff, bounce->bcount); 939 940 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 941 KASSERT(bounce->resid >= bounce->bcount); 942 bounce->resid -= bounce->bcount; 943 if (bounce->resid > 0) { 944 struct buf *nbp; 945 daddr_t blkno; 946 long count; 947 int s; 948 949 blkno = obp->b_rawblkno + 950 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 951 count = ((blkno * lp->d_secsize) % cd->params.blksize); 952 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 953 bounce->soff = count; 954 bounce->doff += bounce->bcount; 955 count += bounce->resid; 956 count = roundup(count, cd->params.blksize); 957 bounce->bcount = bounce->resid; 958 if (count > MAXPHYS) { 959 bounce->bcount = MAXPHYS - bounce->soff; 960 count = MAXPHYS; 961 } 962 963 nbp = getiobuf(false, NULL); 964 if (!nbp) { 965 /* No memory -- fail the iop. */ 966 bp->b_error = ENOMEM; 967 goto done; 968 } 969 970 /* Set up the IOP to the bounce buffer. */ 971 nbp->b_error = 0; 972 nbp->b_proc = obp->b_proc; 973 nbp->b_bcount = count; 974 nbp->b_bufsize = count; 975 nbp->b_data = bp->b_data; 976 nbp->b_rawblkno = blkno; 977 nbp->b_flags = obp->b_flags | B_READ; 978 nbp->b_oflags = obp->b_oflags; 979 nbp->b_cflags = obp->b_cflags; 980 nbp->b_iodone = cdbounce; 981 982 /* store bounce state in b_private and use new buf */ 983 nbp->b_private = bounce; 984 985 BIO_COPYPRIO(nbp, obp); 986 987 bp->b_data = NULL; 988 putiobuf(bp); 989 990 /* enqueue the request and return */ 991 s = splbio(); 992 BUFQ_PUT(cd->buf_queue, nbp); 993 cdstart(cd->sc_periph); 994 splx(s); 995 996 return; 997 } 998 999 done: 1000 obp->b_error = bp->b_error; 1001 obp->b_resid = bp->b_resid; 1002 free(bp->b_data, M_DEVBUF); 1003 free(bounce, M_DEVBUF); 1004 bp->b_data = NULL; 1005 putiobuf(bp); 1006 biodone(obp); 1007 } 1008 1009 static int 1010 cd_interpret_sense(struct scsipi_xfer *xs) 1011 { 1012 struct scsipi_periph *periph = xs->xs_periph; 1013 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1014 int retval = EJUSTRETURN; 1015 1016 /* 1017 * If it isn't a extended or extended/deferred error, let 1018 * the generic code handle it. 1019 */ 1020 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1021 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1022 return (retval); 1023 1024 /* 1025 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1026 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1027 * wait a bit for the drive to spin up 1028 */ 1029 1030 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1031 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 1032 /* 1033 * Sleep for 5 seconds to wait for the drive to spin up 1034 */ 1035 1036 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1037 "spinup\n")); 1038 if (!callout_pending(&periph->periph_callout)) 1039 scsipi_periph_freeze(periph, 1); 1040 callout_reset(&periph->periph_callout, 1041 5 * hz, scsipi_periph_timed_thaw, periph); 1042 retval = ERESTART; 1043 } 1044 1045 /* 1046 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 1047 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 1048 * then wait for the specified time 1049 */ 1050 1051 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1052 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 1053 /* 1054 * we could listen to the delay; but it looks like the skey 1055 * data is not always returned. 1056 */ 1057 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1058 1059 /* wait for a half second and get going again */ 1060 if (!callout_pending(&periph->periph_callout)) 1061 scsipi_periph_freeze(periph, 1); 1062 callout_reset(&periph->periph_callout, 1063 hz/2, scsipi_periph_timed_thaw, periph); 1064 retval = ERESTART; 1065 } 1066 1067 /* 1068 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1069 * progress" (Sense code 0x04, 0x08), then wait for the specified 1070 * time 1071 */ 1072 1073 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1074 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1075 /* 1076 * long write in process; we could listen to the delay; but it 1077 * looks like the skey data is not always returned. 1078 */ 1079 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1080 1081 /* wait for a half second and get going again */ 1082 if (!callout_pending(&periph->periph_callout)) 1083 scsipi_periph_freeze(periph, 1); 1084 callout_reset(&periph->periph_callout, 1085 hz/2, scsipi_periph_timed_thaw, periph); 1086 retval = ERESTART; 1087 } 1088 1089 return (retval); 1090 } 1091 1092 static void 1093 cdminphys(struct buf *bp) 1094 { 1095 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1096 long xmax; 1097 1098 /* 1099 * If the device is ancient, we want to make sure that 1100 * the transfer fits into a 6-byte cdb. 1101 * 1102 * XXX Note that the SCSI-I spec says that 256-block transfers 1103 * are allowed in a 6-byte read/write, and are specified 1104 * by settng the "length" to 0. However, we're conservative 1105 * here, allowing only 255-block transfers in case an 1106 * ancient device gets confused by length == 0. A length of 0 1107 * in a 10-byte read/write actually means 0 blocks. 1108 */ 1109 if (cd->flags & CDF_ANCIENT) { 1110 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1111 1112 if (bp->b_bcount > xmax) 1113 bp->b_bcount = xmax; 1114 } 1115 1116 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1117 } 1118 1119 static int 1120 cdread(dev_t dev, struct uio *uio, int ioflag) 1121 { 1122 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1123 } 1124 1125 static int 1126 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1127 { 1128 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1129 } 1130 1131 #if 0 /* XXX Not used */ 1132 /* 1133 * conversion between minute-seconde-frame and logical block address 1134 * addresses format 1135 */ 1136 static void 1137 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1138 { 1139 u_long tmp; 1140 1141 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1142 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1143 *m = tmp / (CD_SECS * CD_FRAMES); 1144 tmp %= (CD_SECS * CD_FRAMES); 1145 *s = tmp / CD_FRAMES; 1146 *f = tmp % CD_FRAMES; 1147 } 1148 #endif /* XXX Not used */ 1149 1150 /* 1151 * Convert an hour:minute:second:frame address to a logical block adres. In 1152 * theory the number of secs/minute and number of frames/second could be 1153 * configured differently in the device as could the block offset but in 1154 * practice these values are rock solid and most drives don't even allow 1155 * theses values to be changed. 1156 */ 1157 static uint32_t 1158 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1159 { 1160 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1161 - CD_BLOCK_OFFSET; 1162 } 1163 1164 static int 1165 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1166 { 1167 struct scsipi_periph *periph = cd->sc_periph; 1168 int error; 1169 struct cd_toc_entry *cte; 1170 1171 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1172 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1173 XS_CTL_DATA_ONSTACK, 1174 0x40 /* control word for "get MS info" */); 1175 1176 if (error) 1177 return (error); 1178 1179 cte = &toc->entries[0]; 1180 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1181 cte->addr.lba = le32toh(cte->addr.lba); 1182 toc->header.len = le16toh(toc->header.len); 1183 } else { 1184 cte->addr.lba = be32toh(cte->addr.lba); 1185 toc->header.len = be16toh(toc->header.len); 1186 } 1187 1188 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1189 cte->addr.lba : 0; 1190 return 0; 1191 } 1192 1193 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1194 static int 1195 cdcachesync(struct scsipi_periph *periph, int flags) { 1196 struct scsi_synchronize_cache_10 cmd; 1197 1198 /* 1199 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1200 * and length 0 as it can't synchronise parts of the disc per spec. 1201 * We ignore ILLEGAL REQUEST in the event that the command is not 1202 * supported by the device, and poll for completion so that we know 1203 * that the cache has actually been flushed. 1204 * 1205 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1206 */ 1207 1208 memset(&cmd, 0, sizeof(cmd)); 1209 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1210 1211 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1212 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1213 } 1214 1215 static int 1216 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1217 struct cd_formatted_toc *toc) 1218 { 1219 /* READ TOC format 0 command, entries */ 1220 struct ioc_toc_header *th; 1221 struct cd_toc_entry *cte; 1222 u_int len = te->data_len; 1223 int ntracks; 1224 int error; 1225 1226 th = &toc->header; 1227 1228 if (len > sizeof(toc->entries) || 1229 len < sizeof(toc->entries[0])) 1230 return (EINVAL); 1231 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1232 te->starting_track, toc, 1233 sizeof(toc->header) + len, 1234 XS_CTL_DATA_ONSTACK, 0); 1235 if (error) 1236 return (error); 1237 if (te->address_format == CD_LBA_FORMAT) 1238 for (ntracks = 1239 th->ending_track - th->starting_track + 1; 1240 ntracks >= 0; ntracks--) { 1241 cte = &toc->entries[ntracks]; 1242 cte->addr_type = CD_LBA_FORMAT; 1243 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1244 cte->addr.lba = le32toh(cte->addr.lba); 1245 else 1246 cte->addr.lba = be32toh(cte->addr.lba); 1247 } 1248 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1249 th->len = le16toh(th->len); 1250 else 1251 th->len = be16toh(th->len); 1252 return 0; 1253 } 1254 1255 /* 1256 * Perform special action on behalf of the user. 1257 * Knows about the internals of this device 1258 */ 1259 static int 1260 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1261 { 1262 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1263 struct scsipi_periph *periph = cd->sc_periph; 1264 struct cd_formatted_toc toc; 1265 int part = CDPART(dev); 1266 int error = 0; 1267 int s; 1268 #ifdef __HAVE_OLD_DISKLABEL 1269 struct disklabel *newlabel = NULL; 1270 #endif 1271 1272 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1273 1274 /* 1275 * If the device is not valid, some IOCTLs can still be 1276 * handled on the raw partition. Check this here. 1277 */ 1278 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1279 switch (cmd) { 1280 case DIOCWLABEL: 1281 case DIOCLOCK: 1282 case ODIOCEJECT: 1283 case DIOCEJECT: 1284 case DIOCCACHESYNC: 1285 case SCIOCIDENTIFY: 1286 case OSCIOCIDENTIFY: 1287 case SCIOCCOMMAND: 1288 case SCIOCDEBUG: 1289 case CDIOCGETVOL: 1290 case CDIOCSETVOL: 1291 case CDIOCSETMONO: 1292 case CDIOCSETSTEREO: 1293 case CDIOCSETMUTE: 1294 case CDIOCSETLEFT: 1295 case CDIOCSETRIGHT: 1296 case CDIOCCLOSE: 1297 case CDIOCEJECT: 1298 case CDIOCALLOW: 1299 case CDIOCPREVENT: 1300 case CDIOCSETDEBUG: 1301 case CDIOCCLRDEBUG: 1302 case CDIOCRESET: 1303 case SCIOCRESET: 1304 case CDIOCLOADUNLOAD: 1305 case DVD_AUTH: 1306 case DVD_READ_STRUCT: 1307 case DIOCGSTRATEGY: 1308 case DIOCSSTRATEGY: 1309 if (part == RAW_PART) 1310 break; 1311 /* FALLTHROUGH */ 1312 default: 1313 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1314 return (ENODEV); 1315 else 1316 return (EIO); 1317 } 1318 } 1319 1320 switch (cmd) { 1321 case DIOCGDINFO: 1322 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1323 return (0); 1324 #ifdef __HAVE_OLD_DISKLABEL 1325 case ODIOCGDINFO: 1326 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1327 if (newlabel == NULL) 1328 return (EIO); 1329 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1330 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1331 error = ENOTTY; 1332 else 1333 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1334 free(newlabel, M_TEMP); 1335 return error; 1336 #endif 1337 1338 case DIOCGPART: 1339 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1340 ((struct partinfo *)addr)->part = 1341 &cd->sc_dk.dk_label->d_partitions[part]; 1342 return (0); 1343 1344 case DIOCWDINFO: 1345 case DIOCSDINFO: 1346 #ifdef __HAVE_OLD_DISKLABEL 1347 case ODIOCWDINFO: 1348 case ODIOCSDINFO: 1349 #endif 1350 { 1351 struct disklabel *lp; 1352 1353 if ((flag & FWRITE) == 0) 1354 return (EBADF); 1355 1356 #ifdef __HAVE_OLD_DISKLABEL 1357 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1358 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1359 if (newlabel == NULL) 1360 return (EIO); 1361 memset(newlabel, 0, sizeof newlabel); 1362 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1363 lp = newlabel; 1364 } else 1365 #endif 1366 lp = addr; 1367 1368 mutex_enter(&cd->sc_lock); 1369 cd->flags |= CDF_LABELLING; 1370 1371 error = setdisklabel(cd->sc_dk.dk_label, 1372 lp, /*cd->sc_dk.dk_openmask : */0, 1373 cd->sc_dk.dk_cpulabel); 1374 if (error == 0) { 1375 /* XXX ? */ 1376 } 1377 1378 cd->flags &= ~CDF_LABELLING; 1379 mutex_exit(&cd->sc_lock); 1380 #ifdef __HAVE_OLD_DISKLABEL 1381 if (newlabel != NULL) 1382 free(newlabel, M_TEMP); 1383 #endif 1384 return (error); 1385 } 1386 1387 case DIOCWLABEL: 1388 return (EBADF); 1389 1390 case DIOCGDEFLABEL: 1391 cdgetdefaultlabel(cd, &toc, addr); 1392 return (0); 1393 1394 #ifdef __HAVE_OLD_DISKLABEL 1395 case ODIOCGDEFLABEL: 1396 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1397 if (newlabel == NULL) 1398 return (EIO); 1399 cdgetdefaultlabel(cd, &toc, newlabel); 1400 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1401 error = ENOTTY; 1402 else 1403 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1404 free(newlabel, M_TEMP); 1405 return error; 1406 #endif 1407 1408 case CDIOCPLAYTRACKS: { 1409 /* PLAY_MSF command */ 1410 struct ioc_play_track *args = addr; 1411 1412 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1413 return (error); 1414 return (cd_play_tracks(cd, &toc, args->start_track, 1415 args->start_index, args->end_track, args->end_index)); 1416 } 1417 case CDIOCPLAYMSF: { 1418 /* PLAY_MSF command */ 1419 struct ioc_play_msf *args = addr; 1420 1421 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1422 return (error); 1423 return (cd_play_msf(cd, args->start_m, args->start_s, 1424 args->start_f, args->end_m, args->end_s, args->end_f)); 1425 } 1426 case CDIOCPLAYBLOCKS: { 1427 /* PLAY command */ 1428 struct ioc_play_blocks *args = addr; 1429 1430 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1431 return (error); 1432 return (cd_play(cd, args->blk, args->len)); 1433 } 1434 case CDIOCREADSUBCHANNEL: { 1435 /* READ_SUBCHANNEL command */ 1436 struct ioc_read_subchannel *args = addr; 1437 struct cd_sub_channel_info data; 1438 u_int len = args->data_len; 1439 1440 if (len > sizeof(data) || 1441 len < sizeof(struct cd_sub_channel_header)) 1442 return (EINVAL); 1443 error = cd_read_subchannel(cd, args->address_format, 1444 args->data_format, args->track, &data, len, 1445 XS_CTL_DATA_ONSTACK); 1446 if (error) 1447 return (error); 1448 len = min(len, _2btol(data.header.data_len) + 1449 sizeof(struct cd_sub_channel_header)); 1450 return (copyout(&data, args->data, len)); 1451 } 1452 case CDIOCREADSUBCHANNEL_BUF: { 1453 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1454 struct ioc_read_subchannel_buf *args = addr; 1455 if (args->req.data_len != sizeof args->info) 1456 return EINVAL; 1457 return cd_read_subchannel(cd, args->req.address_format, 1458 args->req.data_format, args->req.track, &args->info, 1459 sizeof args->info, XS_CTL_DATA_ONSTACK); 1460 } 1461 case CDIOREADTOCHEADER: { 1462 /* READ TOC format 0 command, static header */ 1463 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1464 &toc, sizeof(toc.header), 1465 XS_CTL_DATA_ONSTACK, 0)) != 0) 1466 return (error); 1467 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1468 toc.header.len = le16toh(toc.header.len); 1469 else 1470 toc.header.len = be16toh(toc.header.len); 1471 memcpy(addr, &toc.header, sizeof(toc.header)); 1472 return (0); 1473 } 1474 case CDIOREADTOCENTRYS: { 1475 struct ioc_read_toc_entry *te = addr; 1476 error = do_cdioreadentries(cd, te, &toc); 1477 if (error != 0) 1478 return error; 1479 return copyout(toc.entries, te->data, min(te->data_len, 1480 toc.header.len - (sizeof(toc.header.starting_track) 1481 + sizeof(toc.header.ending_track)))); 1482 } 1483 case CDIOREADTOCENTRIES_BUF: { 1484 struct ioc_read_toc_entry_buf *te = addr; 1485 error = do_cdioreadentries(cd, &te->req, &toc); 1486 if (error != 0) 1487 return error; 1488 memcpy(te->entry, toc.entries, min(te->req.data_len, 1489 toc.header.len - (sizeof(toc.header.starting_track) 1490 + sizeof(toc.header.ending_track)))); 1491 return 0; 1492 } 1493 case CDIOREADMSADDR: { 1494 /* READ TOC format 0 command, length of first track only */ 1495 int sessno = *(int*)addr; 1496 1497 if (sessno != 0) 1498 return (EINVAL); 1499 1500 return (cdreadmsaddr(cd, &toc, addr)); 1501 } 1502 case CDIOCSETPATCH: { 1503 struct ioc_patch *arg = addr; 1504 1505 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1506 arg->patch[2], arg->patch[3], 0)); 1507 } 1508 case CDIOCGETVOL: { 1509 /* MODE SENSE command (AUDIO page) */ 1510 struct ioc_vol *arg = addr; 1511 1512 return (cd_getvol(cd, arg, 0)); 1513 } 1514 case CDIOCSETVOL: { 1515 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1516 struct ioc_vol *arg = addr; 1517 1518 return (cd_setvol(cd, arg, 0)); 1519 } 1520 case CDIOCSETMONO: 1521 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1522 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1523 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1524 1525 case CDIOCSETSTEREO: 1526 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1527 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1528 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1529 1530 case CDIOCSETMUTE: 1531 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1532 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1533 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1534 1535 case CDIOCSETLEFT: 1536 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1537 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1538 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1539 1540 case CDIOCSETRIGHT: 1541 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1542 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1543 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1544 1545 case CDIOCRESUME: 1546 /* PAUSE command */ 1547 return (cd_pause(cd, PA_RESUME)); 1548 case CDIOCPAUSE: 1549 /* PAUSE command */ 1550 return (cd_pause(cd, PA_PAUSE)); 1551 case CDIOCSTART: 1552 return (scsipi_start(periph, SSS_START, 0)); 1553 case CDIOCSTOP: 1554 return (scsipi_start(periph, SSS_STOP, 0)); 1555 case CDIOCCLOSE: 1556 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1557 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1558 case DIOCEJECT: 1559 if (*(int *)addr == 0) { 1560 /* 1561 * Don't force eject: check that we are the only 1562 * partition open. If so, unlock it. 1563 */ 1564 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1565 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1566 cd->sc_dk.dk_openmask) { 1567 error = scsipi_prevent(periph, SPAMR_ALLOW, 1568 XS_CTL_IGNORE_NOT_READY); 1569 if (error) 1570 return (error); 1571 } else { 1572 return (EBUSY); 1573 } 1574 } 1575 /* FALLTHROUGH */ 1576 case CDIOCEJECT: /* FALLTHROUGH */ 1577 case ODIOCEJECT: 1578 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1579 case DIOCCACHESYNC: 1580 /* SYNCHRONISE CACHES command */ 1581 return (cdcachesync(periph, 0)); 1582 case CDIOCALLOW: 1583 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1584 case CDIOCPREVENT: 1585 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1586 case DIOCLOCK: 1587 return (scsipi_prevent(periph, 1588 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1589 case CDIOCSETDEBUG: 1590 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1591 return (0); 1592 case CDIOCCLRDEBUG: 1593 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1594 return (0); 1595 case CDIOCRESET: 1596 case SCIOCRESET: 1597 return (cd_reset(cd)); 1598 case CDIOCLOADUNLOAD: 1599 /* LOAD_UNLOAD command */ 1600 return (cd_load_unload(cd, addr)); 1601 case DVD_AUTH: 1602 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1603 return (dvd_auth(cd, addr)); 1604 case DVD_READ_STRUCT: 1605 /* GPCMD_READ_DVD_STRUCTURE command */ 1606 return (dvd_read_struct(cd, addr)); 1607 case MMCGETDISCINFO: 1608 /* 1609 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1610 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1611 */ 1612 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1613 case MMCGETTRACKINFO: 1614 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1615 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1616 case DIOCGSTRATEGY: 1617 { 1618 struct disk_strategy *dks = addr; 1619 1620 s = splbio(); 1621 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1622 sizeof(dks->dks_name)); 1623 splx(s); 1624 dks->dks_paramlen = 0; 1625 1626 return 0; 1627 } 1628 case DIOCSSTRATEGY: 1629 { 1630 struct disk_strategy *dks = addr; 1631 struct bufq_state *new; 1632 struct bufq_state *old; 1633 1634 if ((flag & FWRITE) == 0) { 1635 return EBADF; 1636 } 1637 if (dks->dks_param != NULL) { 1638 return EINVAL; 1639 } 1640 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1641 error = bufq_alloc(&new, dks->dks_name, 1642 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1643 if (error) { 1644 return error; 1645 } 1646 s = splbio(); 1647 old = cd->buf_queue; 1648 bufq_move(new, old); 1649 cd->buf_queue = new; 1650 splx(s); 1651 bufq_free(old); 1652 1653 return 0; 1654 } 1655 default: 1656 if (part != RAW_PART) 1657 return (ENOTTY); 1658 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1659 } 1660 1661 #ifdef DIAGNOSTIC 1662 panic("cdioctl: impossible"); 1663 #endif 1664 } 1665 1666 static void 1667 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1668 struct disklabel *lp) 1669 { 1670 int lastsession; 1671 1672 memset(lp, 0, sizeof(struct disklabel)); 1673 1674 lp->d_secsize = cd->params.blksize; 1675 lp->d_ntracks = 1; 1676 lp->d_nsectors = 100; 1677 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1678 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1679 1680 switch (scsipi_periph_bustype(cd->sc_periph)) { 1681 case SCSIPI_BUSTYPE_SCSI: 1682 lp->d_type = DTYPE_SCSI; 1683 break; 1684 case SCSIPI_BUSTYPE_ATAPI: 1685 lp->d_type = DTYPE_ATAPI; 1686 break; 1687 } 1688 /* 1689 * XXX 1690 * We could probe the mode pages to figure out what kind of disc it is. 1691 * Is this worthwhile? 1692 */ 1693 strncpy(lp->d_typename, "mydisc", 16); 1694 strncpy(lp->d_packname, "fictitious", 16); 1695 lp->d_secperunit = cd->params.disksize; 1696 lp->d_rpm = 300; 1697 lp->d_interleave = 1; 1698 lp->d_flags = D_REMOVABLE; 1699 1700 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1701 lastsession = 0; 1702 1703 lp->d_partitions[0].p_offset = 0; 1704 lp->d_partitions[0].p_size = lp->d_secperunit; 1705 lp->d_partitions[0].p_cdsession = lastsession; 1706 lp->d_partitions[0].p_fstype = FS_ISO9660; 1707 lp->d_partitions[RAW_PART].p_offset = 0; 1708 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1709 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 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 1731 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1732 1733 cdgetdefaultlabel(cd, &toc, lp); 1734 1735 /* 1736 * Call the generic disklabel extraction routine 1737 */ 1738 errstring = readdisklabel(MAKECDDEV(0, device_unit(cd->sc_dev), 1739 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1740 1741 /* if all went OK, we are passed a NULL error string */ 1742 if (errstring == NULL) 1743 return; 1744 1745 /* Reset to default label -- after printing error and the warning */ 1746 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1747 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1748 cdgetdefaultlabel(cd, &toc, lp); 1749 } 1750 1751 /* 1752 * Reading a discs total capacity is aparently a very difficult issue for the 1753 * SCSI standardisation group. Every disc type seems to have its own 1754 * (re)invented size request method and modifiers. The failsafe way of 1755 * determining the total (max) capacity i.e. not the recorded capacity but the 1756 * total maximum capacity is to request the info on the last track and 1757 * calucate the total size. 1758 * 1759 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1760 * we count. 1761 */ 1762 static int 1763 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1764 { 1765 struct scsipi_read_cd_capacity cap_cmd; 1766 struct scsipi_read_cd_cap_data cap; 1767 struct scsipi_read_discinfo di_cmd; 1768 struct scsipi_read_discinfo_data di; 1769 struct scsipi_read_trackinfo ti_cmd; 1770 struct scsipi_read_trackinfo_data ti; 1771 uint32_t track_start, track_size; 1772 int error, flags, msb, lsb, last_track; 1773 1774 /* if the device doesn't grog capacity, return the dummies */ 1775 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1776 return 0; 1777 1778 /* first try read CD capacity for blksize and recorded size */ 1779 /* issue the cd capacity request */ 1780 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1781 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1782 cap_cmd.opcode = READ_CD_CAPACITY; 1783 1784 error = scsipi_command(periph, 1785 (void *) &cap_cmd, sizeof(cap_cmd), 1786 (void *) &cap, sizeof(cap), 1787 CDRETRIES, 30000, NULL, flags); 1788 if (error) 1789 return error; 1790 1791 /* retrieve values and sanity check them */ 1792 *blksize = _4btol(cap.length); 1793 *size = _4btol(cap.addr); 1794 1795 /* blksize is 2048 for CD, but some drives give gibberish */ 1796 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1797 *blksize = 2048; /* some drives lie ! */ 1798 1799 /* recordables have READ_DISCINFO implemented */ 1800 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1801 memset(&di_cmd, 0, sizeof(di_cmd)); 1802 di_cmd.opcode = READ_DISCINFO; 1803 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1804 1805 error = scsipi_command(periph, 1806 (void *) &di_cmd, sizeof(di_cmd), 1807 (void *) &di, READ_DISCINFO_BIGSIZE, 1808 CDRETRIES, 30000, NULL, flags); 1809 if (error == 0) { 1810 msb = di.last_track_last_session_msb; 1811 lsb = di.last_track_last_session_lsb; 1812 last_track = (msb << 8) | lsb; 1813 1814 /* request info on last track */ 1815 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1816 ti_cmd.opcode = READ_TRACKINFO; 1817 ti_cmd.addr_type = 1; /* on tracknr */ 1818 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1819 _lto2b(sizeof(ti), ti_cmd.data_len); 1820 1821 error = scsipi_command(periph, 1822 (void *) &ti_cmd, sizeof(ti_cmd), 1823 (void *) &ti, sizeof(ti), 1824 CDRETRIES, 30000, NULL, flags); 1825 if (error == 0) { 1826 track_start = _4btol(ti.track_start); 1827 track_size = _4btol(ti.track_size); 1828 1829 /* overwrite only with a sane value */ 1830 if (track_start + track_size >= 100) 1831 *size = track_start + track_size; 1832 } 1833 } 1834 1835 /* sanity check for size */ 1836 if (*size < 100) 1837 *size = 400000; 1838 1839 return 0; 1840 } 1841 1842 /* 1843 * Find out from the device what it's capacity is 1844 */ 1845 static u_long 1846 cd_size(struct cd_softc *cd, int flags) 1847 { 1848 u_int blksize; 1849 u_long size; 1850 int error; 1851 1852 /* set up fake values */ 1853 blksize = 2048; 1854 size = 400000; 1855 1856 /* if this function bounces with an error return fake value */ 1857 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1858 if (error) 1859 return size; 1860 1861 if (blksize != 2048) { 1862 if (cd_setblksize(cd) == 0) 1863 blksize = 2048; 1864 } 1865 cd->params.blksize = blksize; 1866 cd->params.disksize = size; 1867 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1868 1869 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1870 ("cd_size: %u %lu\n", blksize, size)); 1871 1872 return size; 1873 } 1874 1875 /* 1876 * Get scsi driver to send a "start playing" command 1877 */ 1878 static int 1879 cd_play(struct cd_softc *cd, int blkno, int nblks) 1880 { 1881 struct scsipi_play cmd; 1882 1883 memset(&cmd, 0, sizeof(cmd)); 1884 cmd.opcode = PLAY; 1885 _lto4b(blkno, cmd.blk_addr); 1886 _lto2b(nblks, cmd.xfer_len); 1887 1888 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1889 CDRETRIES, 30000, NULL, 0)); 1890 } 1891 1892 /* 1893 * Get scsi driver to send a "start playing" command 1894 */ 1895 static int 1896 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1897 int sindex, int etrack, int eindex) 1898 { 1899 int error; 1900 1901 if (!etrack) 1902 return (EIO); 1903 if (strack > etrack) 1904 return (EINVAL); 1905 1906 error = cd_load_toc(cd, CD_TOC_FORM, toc, XS_CTL_DATA_ONSTACK); 1907 if (error) 1908 return (error); 1909 1910 if (++etrack > (toc->header.ending_track+1)) 1911 etrack = toc->header.ending_track+1; 1912 1913 strack -= toc->header.starting_track; 1914 etrack -= toc->header.starting_track; 1915 if (strack < 0) 1916 return (EINVAL); 1917 1918 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1919 toc->entries[strack].addr.msf.second, 1920 toc->entries[strack].addr.msf.frame, 1921 toc->entries[etrack].addr.msf.minute, 1922 toc->entries[etrack].addr.msf.second, 1923 toc->entries[etrack].addr.msf.frame)); 1924 } 1925 1926 /* 1927 * Get scsi driver to send a "play msf" command 1928 */ 1929 static int 1930 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1931 int ends, int endf) 1932 { 1933 struct scsipi_play_msf cmd; 1934 1935 memset(&cmd, 0, sizeof(cmd)); 1936 cmd.opcode = PLAY_MSF; 1937 cmd.start_m = startm; 1938 cmd.start_s = starts; 1939 cmd.start_f = startf; 1940 cmd.end_m = endm; 1941 cmd.end_s = ends; 1942 cmd.end_f = endf; 1943 1944 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1945 CDRETRIES, 30000, NULL, 0)); 1946 } 1947 1948 /* 1949 * Get scsi driver to send a "start up" command 1950 */ 1951 static int 1952 cd_pause(struct cd_softc *cd, int go) 1953 { 1954 struct scsipi_pause cmd; 1955 1956 memset(&cmd, 0, sizeof(cmd)); 1957 cmd.opcode = PAUSE; 1958 cmd.resume = go & 0xff; 1959 1960 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1961 CDRETRIES, 30000, NULL, 0)); 1962 } 1963 1964 /* 1965 * Get scsi driver to send a "RESET" command 1966 */ 1967 static int 1968 cd_reset(struct cd_softc *cd) 1969 { 1970 1971 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1972 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1973 } 1974 1975 /* 1976 * Read subchannel 1977 */ 1978 static int 1979 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1980 struct cd_sub_channel_info *data, int len, int flags) 1981 { 1982 struct scsipi_read_subchannel cmd; 1983 1984 memset(&cmd, 0, sizeof(cmd)); 1985 cmd.opcode = READ_SUBCHANNEL; 1986 if (mode == CD_MSF_FORMAT) 1987 cmd.byte2 |= CD_MSF; 1988 cmd.byte3 = SRS_SUBQ; 1989 cmd.subchan_format = format; 1990 cmd.track = track; 1991 _lto2b(len, cmd.data_len); 1992 1993 return (scsipi_command(cd->sc_periph, 1994 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1995 (void *)data, len, 1996 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1997 } 1998 1999 /* 2000 * Read table of contents 2001 */ 2002 static int 2003 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 2004 struct cd_formatted_toc *toc, int len, int flags, int control) 2005 { 2006 struct scsipi_read_toc cmd; 2007 int ntoc; 2008 2009 memset(&cmd, 0, sizeof(cmd)); 2010 #if 0 2011 if (len != sizeof(struct ioc_toc_header)) 2012 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 2013 sizeof(struct cd_toc_entry); 2014 else 2015 #endif 2016 ntoc = len; 2017 cmd.opcode = READ_TOC; 2018 if (mode == CD_MSF_FORMAT) 2019 cmd.addr_mode |= CD_MSF; 2020 cmd.resp_format = respf; 2021 cmd.from_track = start; 2022 _lto2b(ntoc, cmd.data_len); 2023 cmd.control = control; 2024 2025 return (scsipi_command(cd->sc_periph, 2026 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2027 30000, NULL, flags | XS_CTL_DATA_IN)); 2028 } 2029 2030 static int 2031 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2032 { 2033 int ntracks, len, error; 2034 2035 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2036 flags, 0)) != 0) 2037 return (error); 2038 2039 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2040 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2041 sizeof(toc->header); 2042 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2043 flags, 0)) != 0) 2044 return (error); 2045 return (0); 2046 } 2047 2048 /* 2049 * Get the scsi driver to send a full inquiry to the device and use the 2050 * results to fill out the disk parameter structure. 2051 */ 2052 static int 2053 cd_get_parms(struct cd_softc *cd, int flags) 2054 { 2055 2056 /* 2057 * give a number of sectors so that sec * trks * cyls 2058 * is <= disk_size 2059 */ 2060 if (cd_size(cd, flags) == 0) 2061 return (ENXIO); 2062 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2063 return (0); 2064 } 2065 2066 static int 2067 cdsize(dev_t dev) 2068 { 2069 2070 /* CD-ROMs are read-only. */ 2071 return (-1); 2072 } 2073 2074 static int 2075 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2076 { 2077 2078 /* Not implemented. */ 2079 return (ENXIO); 2080 } 2081 2082 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2083 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2084 2085 static int 2086 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2087 { 2088 struct scsipi_generic cmd; 2089 u_int8_t bf[20]; 2090 int error; 2091 2092 memset(cmd.bytes, 0, 15); 2093 memset(bf, 0, sizeof(bf)); 2094 2095 switch (a->type) { 2096 case DVD_LU_SEND_AGID: 2097 cmd.opcode = GPCMD_REPORT_KEY; 2098 cmd.bytes[8] = 8; 2099 cmd.bytes[9] = 0 | (0 << 6); 2100 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2101 CDRETRIES, 30000, NULL, 2102 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2103 if (error) 2104 return (error); 2105 a->lsa.agid = bf[7] >> 6; 2106 return (0); 2107 2108 case DVD_LU_SEND_CHALLENGE: 2109 cmd.opcode = GPCMD_REPORT_KEY; 2110 cmd.bytes[8] = 16; 2111 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2112 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2113 CDRETRIES, 30000, NULL, 2114 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2115 if (error) 2116 return (error); 2117 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2118 return (0); 2119 2120 case DVD_LU_SEND_KEY1: 2121 cmd.opcode = GPCMD_REPORT_KEY; 2122 cmd.bytes[8] = 12; 2123 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2124 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2125 CDRETRIES, 30000, NULL, 2126 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2127 if (error) 2128 return (error); 2129 dvd_copy_key(a->lsk.key, &bf[4]); 2130 return (0); 2131 2132 case DVD_LU_SEND_TITLE_KEY: 2133 cmd.opcode = GPCMD_REPORT_KEY; 2134 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2135 cmd.bytes[8] = 12; 2136 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2137 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2138 CDRETRIES, 30000, NULL, 2139 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2140 if (error) 2141 return (error); 2142 a->lstk.cpm = (bf[4] >> 7) & 1; 2143 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2144 a->lstk.cgms = (bf[4] >> 4) & 3; 2145 dvd_copy_key(a->lstk.title_key, &bf[5]); 2146 return (0); 2147 2148 case DVD_LU_SEND_ASF: 2149 cmd.opcode = GPCMD_REPORT_KEY; 2150 cmd.bytes[8] = 8; 2151 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2152 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2153 CDRETRIES, 30000, NULL, 2154 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 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, 2168 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2169 if (error) 2170 return (error); 2171 a->type = DVD_LU_SEND_KEY1; 2172 return (0); 2173 2174 case DVD_HOST_SEND_KEY2: 2175 cmd.opcode = GPCMD_SEND_KEY; 2176 cmd.bytes[8] = 12; 2177 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2178 bf[1] = 10; 2179 dvd_copy_key(&bf[4], a->hsk.key); 2180 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2181 CDRETRIES, 30000, NULL, 2182 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2183 if (error) { 2184 a->type = DVD_AUTH_FAILURE; 2185 return (error); 2186 } 2187 a->type = DVD_AUTH_ESTABLISHED; 2188 return (0); 2189 2190 case DVD_INVALIDATE_AGID: 2191 cmd.opcode = GPCMD_REPORT_KEY; 2192 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2193 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2194 CDRETRIES, 30000, NULL, 0); 2195 if (error) 2196 return (error); 2197 return (0); 2198 2199 case DVD_LU_SEND_RPC_STATE: 2200 cmd.opcode = GPCMD_REPORT_KEY; 2201 cmd.bytes[8] = 8; 2202 cmd.bytes[9] = 8 | (0 << 6); 2203 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2204 CDRETRIES, 30000, NULL, 2205 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2206 if (error) 2207 return (error); 2208 a->lrpcs.type = (bf[4] >> 6) & 3; 2209 a->lrpcs.vra = (bf[4] >> 3) & 7; 2210 a->lrpcs.ucca = (bf[4]) & 7; 2211 a->lrpcs.region_mask = bf[5]; 2212 a->lrpcs.rpc_scheme = bf[6]; 2213 return (0); 2214 2215 case DVD_HOST_SEND_RPC_STATE: 2216 cmd.opcode = GPCMD_SEND_KEY; 2217 cmd.bytes[8] = 8; 2218 cmd.bytes[9] = 6 | (0 << 6); 2219 bf[1] = 6; 2220 bf[4] = a->hrpcs.pdrc; 2221 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2222 CDRETRIES, 30000, NULL, 2223 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2224 if (error) 2225 return (error); 2226 return (0); 2227 2228 default: 2229 return (ENOTTY); 2230 } 2231 } 2232 2233 static int 2234 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2235 { 2236 struct scsipi_generic cmd; 2237 u_int8_t bf[4 + 4 * 20], *bufp; 2238 int error; 2239 struct dvd_layer *layer; 2240 int i; 2241 2242 memset(cmd.bytes, 0, 15); 2243 memset(bf, 0, sizeof(bf)); 2244 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2245 cmd.bytes[6] = s->type; 2246 _lto2b(sizeof(bf), &cmd.bytes[7]); 2247 2248 cmd.bytes[5] = s->physical.layer_num; 2249 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2250 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2251 if (error) 2252 return (error); 2253 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2254 i++, bufp += 20, layer++) { 2255 memset(layer, 0, sizeof(*layer)); 2256 layer->book_version = bufp[0] & 0xf; 2257 layer->book_type = bufp[0] >> 4; 2258 layer->min_rate = bufp[1] & 0xf; 2259 layer->disc_size = bufp[1] >> 4; 2260 layer->layer_type = bufp[2] & 0xf; 2261 layer->track_path = (bufp[2] >> 4) & 1; 2262 layer->nlayers = (bufp[2] >> 5) & 3; 2263 layer->track_density = bufp[3] & 0xf; 2264 layer->linear_density = bufp[3] >> 4; 2265 layer->start_sector = _4btol(&bufp[4]); 2266 layer->end_sector = _4btol(&bufp[8]); 2267 layer->end_sector_l0 = _4btol(&bufp[12]); 2268 layer->bca = bufp[16] >> 7; 2269 } 2270 return (0); 2271 } 2272 2273 static int 2274 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2275 { 2276 struct scsipi_generic cmd; 2277 u_int8_t bf[8]; 2278 int error; 2279 2280 memset(cmd.bytes, 0, 15); 2281 memset(bf, 0, sizeof(bf)); 2282 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2283 cmd.bytes[6] = s->type; 2284 _lto2b(sizeof(bf), &cmd.bytes[7]); 2285 2286 cmd.bytes[5] = s->copyright.layer_num; 2287 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2288 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2289 if (error) 2290 return (error); 2291 s->copyright.cpst = bf[4]; 2292 s->copyright.rmi = bf[5]; 2293 return (0); 2294 } 2295 2296 static int 2297 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2298 { 2299 struct scsipi_generic cmd; 2300 u_int8_t *bf; 2301 int error; 2302 2303 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2304 if (bf == NULL) 2305 return EIO; 2306 memset(cmd.bytes, 0, 15); 2307 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2308 cmd.bytes[6] = s->type; 2309 _lto2b(4 + 2048, &cmd.bytes[7]); 2310 2311 cmd.bytes[9] = s->disckey.agid << 6; 2312 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2313 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2314 if (error == 0) 2315 memcpy(s->disckey.value, &bf[4], 2048); 2316 free(bf, M_TEMP); 2317 return error; 2318 } 2319 2320 static int 2321 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2322 { 2323 struct scsipi_generic cmd; 2324 u_int8_t bf[4 + 188]; 2325 int error; 2326 2327 memset(cmd.bytes, 0, 15); 2328 memset(bf, 0, sizeof(bf)); 2329 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2330 cmd.bytes[6] = s->type; 2331 _lto2b(sizeof(bf), &cmd.bytes[7]); 2332 2333 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2334 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2335 if (error) 2336 return (error); 2337 s->bca.len = _2btol(&bf[0]); 2338 if (s->bca.len < 12 || s->bca.len > 188) 2339 return (EIO); 2340 memcpy(s->bca.value, &bf[4], s->bca.len); 2341 return (0); 2342 } 2343 2344 static int 2345 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2346 { 2347 struct scsipi_generic cmd; 2348 u_int8_t *bf; 2349 int error; 2350 2351 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2352 if (bf == NULL) 2353 return (EIO); 2354 memset(cmd.bytes, 0, 15); 2355 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2356 cmd.bytes[6] = s->type; 2357 _lto2b(4 + 2048, &cmd.bytes[7]); 2358 2359 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2360 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2361 if (error == 0) { 2362 s->manufact.len = _2btol(&bf[0]); 2363 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2364 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2365 else 2366 error = EIO; 2367 } 2368 free(bf, M_TEMP); 2369 return error; 2370 } 2371 2372 static int 2373 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2374 { 2375 2376 switch (s->type) { 2377 case DVD_STRUCT_PHYSICAL: 2378 return (dvd_read_physical(cd, s)); 2379 case DVD_STRUCT_COPYRIGHT: 2380 return (dvd_read_copyright(cd, s)); 2381 case DVD_STRUCT_DISCKEY: 2382 return (dvd_read_disckey(cd, s)); 2383 case DVD_STRUCT_BCA: 2384 return (dvd_read_bca(cd, s)); 2385 case DVD_STRUCT_MANUFACT: 2386 return (dvd_read_manufact(cd, s)); 2387 default: 2388 return (EINVAL); 2389 } 2390 } 2391 2392 static int 2393 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2394 int page, int flags, int *big) 2395 { 2396 2397 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2398 *big = 1; 2399 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2400 size + sizeof(struct scsi_mode_parameter_header_10), 2401 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2402 } else { 2403 *big = 0; 2404 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2405 size + sizeof(struct scsi_mode_parameter_header_6), 2406 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2407 } 2408 } 2409 2410 static int 2411 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2412 int flags, int big) 2413 { 2414 2415 if (big) { 2416 struct scsi_mode_parameter_header_10 *header = sense; 2417 2418 _lto2b(0, header->data_length); 2419 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2420 size + sizeof(struct scsi_mode_parameter_header_10), 2421 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2422 } else { 2423 struct scsi_mode_parameter_header_6 *header = sense; 2424 2425 header->data_length = 0; 2426 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2427 size + sizeof(struct scsi_mode_parameter_header_6), 2428 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2429 } 2430 } 2431 2432 static int 2433 cd_set_pa_immed(struct cd_softc *cd, int flags) 2434 { 2435 struct { 2436 union { 2437 struct scsi_mode_parameter_header_6 small; 2438 struct scsi_mode_parameter_header_10 big; 2439 } header; 2440 struct cd_audio_page page; 2441 } data; 2442 int error; 2443 uint8_t oflags; 2444 int big, byte2; 2445 struct cd_audio_page *page; 2446 2447 byte2 = SMS_DBD; 2448 try_again: 2449 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2450 AUDIO_PAGE, flags, &big)) != 0) { 2451 if (byte2 == SMS_DBD) { 2452 /* Device may not understand DBD; retry without */ 2453 byte2 = 0; 2454 goto try_again; 2455 } 2456 return (error); 2457 } 2458 2459 if (big) 2460 page = (void *)((u_long)&data.header.big + 2461 sizeof data.header.big + 2462 _2btol(data.header.big.blk_desc_len)); 2463 else 2464 page = (void *)((u_long)&data.header.small + 2465 sizeof data.header.small + 2466 data.header.small.blk_desc_len); 2467 2468 oflags = page->flags; 2469 page->flags &= ~CD_PA_SOTC; 2470 page->flags |= CD_PA_IMMED; 2471 if (oflags == page->flags) 2472 return (0); 2473 2474 return (cd_mode_select(cd, SMS_PF, &data, 2475 sizeof(struct scsi_mode_page_header) + page->pg_length, 2476 flags, big)); 2477 } 2478 2479 static int 2480 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2481 { 2482 struct { 2483 union { 2484 struct scsi_mode_parameter_header_6 small; 2485 struct scsi_mode_parameter_header_10 big; 2486 } header; 2487 struct cd_audio_page page; 2488 } data; 2489 int error; 2490 int big, byte2; 2491 struct cd_audio_page *page; 2492 2493 byte2 = SMS_DBD; 2494 try_again: 2495 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2496 AUDIO_PAGE, flags, &big)) != 0) { 2497 if (byte2 == SMS_DBD) { 2498 /* Device may not understand DBD; retry without */ 2499 byte2 = 0; 2500 goto try_again; 2501 } 2502 return (error); 2503 } 2504 2505 if (big) 2506 page = (void *)((u_long)&data.header.big + 2507 sizeof data.header.big + 2508 _2btol(data.header.big.blk_desc_len)); 2509 else 2510 page = (void *)((u_long)&data.header.small + 2511 sizeof data.header.small + 2512 data.header.small.blk_desc_len); 2513 2514 page->port[0].channels = p0; 2515 page->port[1].channels = p1; 2516 page->port[2].channels = p2; 2517 page->port[3].channels = p3; 2518 2519 return (cd_mode_select(cd, SMS_PF, &data, 2520 sizeof(struct scsi_mode_page_header) + page->pg_length, 2521 flags, big)); 2522 } 2523 2524 static int 2525 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2526 { 2527 struct { 2528 union { 2529 struct scsi_mode_parameter_header_6 small; 2530 struct scsi_mode_parameter_header_10 big; 2531 } header; 2532 struct cd_audio_page page; 2533 } data; 2534 int error; 2535 int big, byte2; 2536 struct cd_audio_page *page; 2537 2538 byte2 = SMS_DBD; 2539 try_again: 2540 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2541 AUDIO_PAGE, flags, &big)) != 0) { 2542 if (byte2 == SMS_DBD) { 2543 /* Device may not understand DBD; retry without */ 2544 byte2 = 0; 2545 goto try_again; 2546 } 2547 return (error); 2548 } 2549 2550 if (big) 2551 page = (void *)((u_long)&data.header.big + 2552 sizeof data.header.big + 2553 _2btol(data.header.big.blk_desc_len)); 2554 else 2555 page = (void *)((u_long)&data.header.small + 2556 sizeof data.header.small + 2557 data.header.small.blk_desc_len); 2558 2559 arg->vol[0] = page->port[0].volume; 2560 arg->vol[1] = page->port[1].volume; 2561 arg->vol[2] = page->port[2].volume; 2562 arg->vol[3] = page->port[3].volume; 2563 2564 return (0); 2565 } 2566 2567 static int 2568 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2569 { 2570 struct { 2571 union { 2572 struct scsi_mode_parameter_header_6 small; 2573 struct scsi_mode_parameter_header_10 big; 2574 } header; 2575 struct cd_audio_page page; 2576 } data, mask; 2577 int error; 2578 int big, byte2; 2579 struct cd_audio_page *page, *page2; 2580 2581 byte2 = SMS_DBD; 2582 try_again: 2583 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2584 AUDIO_PAGE, flags, &big)) != 0) { 2585 if (byte2 == SMS_DBD) { 2586 /* Device may not understand DBD; retry without */ 2587 byte2 = 0; 2588 goto try_again; 2589 } 2590 return (error); 2591 } 2592 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2593 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2594 return (error); 2595 2596 if (big) { 2597 page = (void *)((u_long)&data.header.big + 2598 sizeof data.header.big + 2599 _2btol(data.header.big.blk_desc_len)); 2600 page2 = (void *)((u_long)&mask.header.big + 2601 sizeof mask.header.big + 2602 _2btol(mask.header.big.blk_desc_len)); 2603 } else { 2604 page = (void *)((u_long)&data.header.small + 2605 sizeof data.header.small + 2606 data.header.small.blk_desc_len); 2607 page2 = (void *)((u_long)&mask.header.small + 2608 sizeof mask.header.small + 2609 mask.header.small.blk_desc_len); 2610 } 2611 2612 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2613 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2614 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2615 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2616 2617 page->port[0].channels = CHANNEL_0; 2618 page->port[1].channels = CHANNEL_1; 2619 2620 return (cd_mode_select(cd, SMS_PF, &data, 2621 sizeof(struct scsi_mode_page_header) + page->pg_length, 2622 flags, big)); 2623 } 2624 2625 static int 2626 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2627 { 2628 struct scsipi_load_unload cmd; 2629 2630 memset(&cmd, 0, sizeof(cmd)); 2631 cmd.opcode = LOAD_UNLOAD; 2632 cmd.options = args->options; /* ioctl uses MMC values */ 2633 cmd.slot = args->slot; 2634 2635 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2636 CDRETRIES, 200000, NULL, 0)); 2637 } 2638 2639 static int 2640 cd_setblksize(struct cd_softc *cd) 2641 { 2642 struct { 2643 union { 2644 struct scsi_mode_parameter_header_6 small; 2645 struct scsi_mode_parameter_header_10 big; 2646 } header; 2647 struct scsi_general_block_descriptor blk_desc; 2648 } data; 2649 int error; 2650 int big, bsize; 2651 struct scsi_general_block_descriptor *bdesc; 2652 2653 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2654 &big)) != 0) 2655 return (error); 2656 2657 if (big) { 2658 bdesc = (void *)(&data.header.big + 1); 2659 bsize = _2btol(data.header.big.blk_desc_len); 2660 } else { 2661 bdesc = (void *)(&data.header.small + 1); 2662 bsize = data.header.small.blk_desc_len; 2663 } 2664 2665 if (bsize == 0) { 2666 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2667 return (EINVAL); 2668 } 2669 if (_3btol(bdesc->blklen) == 2048) { 2670 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2671 return (EINVAL); 2672 } 2673 2674 _lto3b(2048, bdesc->blklen); 2675 2676 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2677 big)); 2678 } 2679 2680 2681 static int 2682 mmc_profile2class(uint16_t mmc_profile) 2683 { 2684 switch (mmc_profile) { 2685 case 0x01 : /* SCSI discs */ 2686 case 0x02 : 2687 /* this can't happen really, cd.c wouldn't have matched */ 2688 return MMC_CLASS_DISC; 2689 case 0x03 : /* Magneto Optical with sector erase */ 2690 case 0x04 : /* Magneto Optical write once */ 2691 case 0x05 : /* Advance Storage Magneto Optical */ 2692 return MMC_CLASS_MO; 2693 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2694 case 0x08 : /* CD-ROM */ 2695 case 0x09 : /* CD-R */ 2696 case 0x0a : /* CD-RW */ 2697 return MMC_CLASS_CD; 2698 case 0x10 : /* DVD-ROM */ 2699 case 0x11 : /* DVD-R */ 2700 case 0x12 : /* DVD-RAM */ 2701 case 0x13 : /* DVD-RW restricted overwrite */ 2702 case 0x14 : /* DVD-RW sequential */ 2703 case 0x1a : /* DVD+RW */ 2704 case 0x1b : /* DVD+R */ 2705 case 0x2a : /* DVD+RW Dual layer */ 2706 case 0x2b : /* DVD+R Dual layer */ 2707 case 0x50 : /* HD DVD-ROM */ 2708 case 0x51 : /* HD DVD-R */ 2709 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2710 return MMC_CLASS_DVD; 2711 case 0x40 : /* BD-ROM */ 2712 case 0x41 : /* BD-R Sequential recording (SRM) */ 2713 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2714 case 0x43 : /* BD-RE */ 2715 return MMC_CLASS_BD; 2716 } 2717 return MMC_CLASS_UNKN; 2718 } 2719 2720 2721 /* 2722 * Drive/media combination is reflected in a series of features that can 2723 * either be current or dormant. We try to make sense out of them to create a 2724 * set of easy to use flags that abstract the device/media capabilities. 2725 */ 2726 2727 static void 2728 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2729 uint16_t feature, int cur, uint8_t *rpos) 2730 { 2731 uint32_t blockingnr; 2732 uint64_t flags; 2733 2734 if (cur == 1) { 2735 flags = mmc_discinfo->mmc_cur; 2736 } else { 2737 flags = mmc_discinfo->mmc_cap; 2738 } 2739 2740 switch (feature) { 2741 case 0x0010 : /* random readable feature */ 2742 blockingnr = rpos[5] | (rpos[4] << 8); 2743 if (blockingnr > 1) 2744 flags |= MMC_CAP_PACKET; 2745 2746 /* RW error page */ 2747 break; 2748 case 0x0020 : /* random writable feature */ 2749 flags |= MMC_CAP_RECORDABLE; 2750 flags |= MMC_CAP_REWRITABLE; 2751 blockingnr = rpos[9] | (rpos[8] << 8); 2752 if (blockingnr > 1) 2753 flags |= MMC_CAP_PACKET; 2754 break; 2755 case 0x0021 : /* incremental streaming write feature */ 2756 flags |= MMC_CAP_RECORDABLE; 2757 flags |= MMC_CAP_SEQUENTIAL; 2758 if (cur) 2759 mmc_discinfo->link_block_penalty = rpos[4]; 2760 if (rpos[2] & 1) 2761 flags |= MMC_CAP_ZEROLINKBLK; 2762 break; 2763 case 0x0022 : /* (obsolete) erase support feature */ 2764 flags |= MMC_CAP_RECORDABLE; 2765 flags |= MMC_CAP_ERASABLE; 2766 break; 2767 case 0x0023 : /* formatting media support feature */ 2768 flags |= MMC_CAP_RECORDABLE; 2769 flags |= MMC_CAP_FORMATTABLE; 2770 break; 2771 case 0x0024 : /* hardware assised defect management feature */ 2772 flags |= MMC_CAP_HW_DEFECTFREE; 2773 break; 2774 case 0x0025 : /* write once */ 2775 flags |= MMC_CAP_RECORDABLE; 2776 break; 2777 case 0x0026 : /* restricted overwrite feature */ 2778 flags |= MMC_CAP_RECORDABLE; 2779 flags |= MMC_CAP_REWRITABLE; 2780 flags |= MMC_CAP_STRICTOVERWRITE; 2781 break; 2782 case 0x0028 : /* MRW formatted media support feature */ 2783 flags |= MMC_CAP_MRW; 2784 break; 2785 case 0x002b : /* DVD+R read (and opt. write) support */ 2786 flags |= MMC_CAP_SEQUENTIAL; 2787 if (rpos[0] & 1) /* write support */ 2788 flags |= MMC_CAP_RECORDABLE; 2789 break; 2790 case 0x002c : /* rigid restricted overwrite feature */ 2791 flags |= MMC_CAP_RECORDABLE; 2792 flags |= MMC_CAP_REWRITABLE; 2793 flags |= MMC_CAP_STRICTOVERWRITE; 2794 if (rpos[0] & 1) /* blank bit */ 2795 flags |= MMC_CAP_BLANKABLE; 2796 break; 2797 case 0x002d : /* track at once recording feature */ 2798 flags |= MMC_CAP_RECORDABLE; 2799 flags |= MMC_CAP_SEQUENTIAL; 2800 break; 2801 case 0x002f : /* DVD-R/-RW write feature */ 2802 flags |= MMC_CAP_RECORDABLE; 2803 if (rpos[0] & 2) /* DVD-RW bit */ 2804 flags |= MMC_CAP_BLANKABLE; 2805 break; 2806 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2807 flags |= MMC_CAP_PSEUDOOVERWRITE; 2808 break; 2809 default : 2810 /* ignore */ 2811 break; 2812 } 2813 2814 if (cur == 1) { 2815 mmc_discinfo->mmc_cur = flags; 2816 } else { 2817 mmc_discinfo->mmc_cap = flags; 2818 } 2819 } 2820 2821 static int 2822 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2823 struct mmc_discinfo *mmc_discinfo) 2824 { 2825 struct scsipi_read_toc gtoc_cmd; 2826 struct scsipi_toc_header *toc_hdr; 2827 struct scsipi_toc_msinfo *toc_msinfo; 2828 const uint32_t buffer_size = 1024; 2829 uint32_t req_size; 2830 uint8_t *buffer; 2831 int error, flags; 2832 2833 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2834 /* 2835 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2836 * care' but others might be of interest to programs. 2837 */ 2838 2839 mmc_discinfo->disc_state = MMC_STATE_FULL; 2840 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2841 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2842 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2843 2844 /* get number of sessions and first tracknr in last session */ 2845 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2846 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2847 gtoc_cmd.opcode = READ_TOC; 2848 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2849 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2850 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2851 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2852 _lto2b(req_size, gtoc_cmd.data_len); 2853 2854 error = scsipi_command(periph, 2855 (void *)>oc_cmd, sizeof(gtoc_cmd), 2856 (void *)buffer, req_size, 2857 CDRETRIES, 30000, NULL, flags); 2858 if (error) 2859 goto out; 2860 toc_hdr = (struct scsipi_toc_header *) buffer; 2861 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2862 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2863 mmc_discinfo->first_track = toc_hdr->first; 2864 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2865 2866 /* get last track of last session */ 2867 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2868 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2869 req_size = sizeof(*toc_hdr); 2870 _lto2b(req_size, gtoc_cmd.data_len); 2871 2872 error = scsipi_command(periph, 2873 (void *)>oc_cmd, sizeof(gtoc_cmd), 2874 (void *)buffer, req_size, 2875 CDRETRIES, 30000, NULL, flags); 2876 if (error) 2877 goto out; 2878 toc_hdr = (struct scsipi_toc_header *) buffer; 2879 mmc_discinfo->last_track_last_session = toc_hdr->last; 2880 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2881 2882 /* TODO how to handle disc_barcode and disc_id */ 2883 /* done */ 2884 2885 out: 2886 free(buffer, M_TEMP); 2887 return error; 2888 } 2889 2890 static int 2891 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2892 struct mmc_discinfo *mmc_discinfo) 2893 { 2894 struct scsipi_read_toc gtoc_cmd; 2895 struct scsipi_toc_header toc_hdr; 2896 uint32_t req_size; 2897 int error, flags; 2898 2899 /* 2900 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2901 * care' but others might be of interest to programs. 2902 */ 2903 2904 mmc_discinfo->disc_state = MMC_STATE_FULL; 2905 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2906 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2907 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2908 2909 /* get number of sessions and first tracknr in last session */ 2910 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2911 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2912 gtoc_cmd.opcode = READ_TOC; 2913 gtoc_cmd.addr_mode = 0; /* LBA */ 2914 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2915 gtoc_cmd.from_track = 1; /* first track */ 2916 req_size = sizeof(toc_hdr); 2917 _lto2b(req_size, gtoc_cmd.data_len); 2918 2919 error = scsipi_command(periph, 2920 (void *)>oc_cmd, sizeof(gtoc_cmd), 2921 (void *)&toc_hdr, req_size, 2922 CDRETRIES, 30000, NULL, flags); 2923 if (error) 2924 return error; 2925 2926 /* DVD-ROM squashes the track/session space */ 2927 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2928 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2929 mmc_discinfo->first_track = toc_hdr.first; 2930 mmc_discinfo->first_track_last_session = toc_hdr.last; 2931 mmc_discinfo->last_track_last_session = toc_hdr.last; 2932 2933 /* TODO how to handle disc_barcode and disc_id */ 2934 /* done */ 2935 return 0; 2936 } 2937 2938 static int 2939 mmc_getdiscinfo(struct scsipi_periph *periph, 2940 struct mmc_discinfo *mmc_discinfo) 2941 { 2942 struct scsipi_get_configuration gc_cmd; 2943 struct scsipi_get_conf_data *gc; 2944 struct scsipi_get_conf_feature *gcf; 2945 struct scsipi_read_discinfo di_cmd; 2946 struct scsipi_read_discinfo_data di; 2947 const uint32_t buffer_size = 1024; 2948 uint32_t feat_tbl_len, pos; 2949 u_long last_lba; 2950 uint8_t *buffer, *fpos; 2951 int feature, last_feature, features_len, feature_cur, feature_len; 2952 int lsb, msb, error, flags; 2953 2954 feat_tbl_len = buffer_size; 2955 2956 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2957 2958 /* initialise structure */ 2959 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2960 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2961 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2962 mmc_discinfo->mmc_cur = 0; 2963 mmc_discinfo->mmc_cap = 0; 2964 mmc_discinfo->link_block_penalty = 0; 2965 2966 /* determine mmc profile and class */ 2967 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2968 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2969 gc_cmd.opcode = GET_CONFIGURATION; 2970 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2971 2972 gc = (struct scsipi_get_conf_data *) buffer; 2973 2974 error = scsipi_command(periph, 2975 (void *)&gc_cmd, sizeof(gc_cmd), 2976 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2977 CDRETRIES, 30000, NULL, flags); 2978 if (error) 2979 goto out; 2980 2981 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2982 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2983 2984 /* assume 2048 sector size unless told otherwise */ 2985 mmc_discinfo->sector_size = 2048; 2986 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2987 if (error) 2988 goto out; 2989 2990 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2991 2992 /* Read in all features to determine device capabilities */ 2993 last_feature = feature = 0; 2994 do { 2995 /* determine mmc profile and class */ 2996 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2997 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2998 gc_cmd.opcode = GET_CONFIGURATION; 2999 _lto2b(last_feature, gc_cmd.start_at_feature); 3000 _lto2b(feat_tbl_len, gc_cmd.data_len); 3001 3002 error = scsipi_command(periph, 3003 (void *)&gc_cmd, sizeof(gc_cmd), 3004 (void *) gc, feat_tbl_len, 3005 CDRETRIES, 30000, NULL, flags); 3006 if (error) { 3007 /* ieeek... break out of loop... i dunno what to do */ 3008 break; 3009 } 3010 3011 features_len = _4btol(gc->data_len); 3012 3013 pos = 0; 3014 fpos = &gc->feature_desc[0]; 3015 while (pos < features_len - 4) { 3016 gcf = (struct scsipi_get_conf_feature *) fpos; 3017 3018 feature = _2btol(gcf->featurecode); 3019 feature_cur = gcf->flags & 1; 3020 feature_len = gcf->additional_length; 3021 3022 mmc_process_feature(mmc_discinfo, 3023 feature, feature_cur, 3024 gcf->feature_dependent); 3025 3026 last_feature = MAX(last_feature, feature); 3027 #ifdef DIAGNOSTIC 3028 /* assert((feature_len & 3) == 0); */ 3029 if ((feature_len & 3) != 0) { 3030 printf("feature %d having length %d\n", 3031 feature, feature_len); 3032 } 3033 #endif 3034 3035 pos += 4 + feature_len; 3036 fpos += 4 + feature_len; 3037 } 3038 /* unlikely to ever grow past our 1kb buffer */ 3039 } while (features_len >= 0xffff); 3040 3041 /* 3042 * Fixup CD-RW drives that are on crack. 3043 * 3044 * Some drives report the capability to incrementally write 3045 * sequentially on CD-R(W) media... nice, but this should not be 3046 * active for a fixed packet formatted CD-RW media. Other report the 3047 * ability of HW_DEFECTFREE even when the media is NOT MRW 3048 * formatted.... 3049 */ 3050 if (mmc_discinfo->mmc_profile == 0x0a) { 3051 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 3052 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 3053 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 3054 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3055 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 3056 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 3057 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 3058 } else { 3059 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 3060 } 3061 } 3062 if (mmc_discinfo->mmc_profile == 0x09) { 3063 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 3064 } 3065 3066 #ifdef DEBUG 3067 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3068 mmc_discinfo->mmc_profile, 3069 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3070 #endif 3071 3072 /* read in disc state and number of sessions and tracks */ 3073 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3074 memset(&di_cmd, 0, sizeof(di_cmd)); 3075 di_cmd.opcode = READ_DISCINFO; 3076 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3077 3078 error = scsipi_command(periph, 3079 (void *)&di_cmd, sizeof(di_cmd), 3080 (void *)&di, READ_DISCINFO_BIGSIZE, 3081 CDRETRIES, 30000, NULL, flags); 3082 3083 if (error) { 3084 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3085 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3086 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3087 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3088 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3089 /* CD/DVD drive is violating specs */ 3090 error = EIO; 3091 goto out; 3092 } 3093 3094 /* call went OK */ 3095 mmc_discinfo->disc_state = di.disc_state & 3; 3096 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3097 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3098 3099 lsb = di.num_sessions_lsb; 3100 msb = di.num_sessions_msb; 3101 mmc_discinfo->num_sessions = lsb | (msb << 8); 3102 3103 mmc_discinfo->first_track = di.first_track; 3104 lsb = di.first_track_last_session_lsb; 3105 msb = di.first_track_last_session_msb; 3106 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3107 lsb = di.last_track_last_session_lsb; 3108 msb = di.last_track_last_session_msb; 3109 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3110 3111 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3112 mmc_discinfo->first_track + 1; 3113 3114 /* set misc. flags and parameters from this disc info */ 3115 if (di.disc_state & 16) 3116 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3117 3118 if (di.disc_state2 & 128) { 3119 mmc_discinfo->disc_id = _4btol(di.discid); 3120 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3121 } 3122 if (di.disc_state2 & 64) { 3123 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3124 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3125 } 3126 if (di.disc_state2 & 32) 3127 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3128 3129 if (di.disc_state2 & 16) { 3130 mmc_discinfo->application_code = di.application_code; 3131 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3132 } 3133 3134 /* done */ 3135 3136 out: 3137 free(buffer, M_TEMP); 3138 return error; 3139 } 3140 3141 static int 3142 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3143 struct mmc_trackinfo *trackinfo) 3144 { 3145 struct scsipi_read_toc gtoc_cmd; 3146 struct scsipi_toc_header *toc_hdr; 3147 struct scsipi_toc_rawtoc *rawtoc; 3148 uint32_t track_start, track_end, track_size; 3149 uint32_t last_recorded, next_writable; 3150 uint32_t lba, next_track_start, lead_out; 3151 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3152 uint8_t *buffer; 3153 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3154 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3155 int size, req_size; 3156 int error, flags; 3157 3158 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3159 3160 /* 3161 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3162 * 3163 * Not all information is present and this presents a problem. Track 3164 * starts are known for each track but other values are deducted. 3165 * 3166 * For a complete overview of `magic' values used here, see the 3167 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3168 * names, they are specified as numbers. 3169 */ 3170 3171 /* get raw toc to process, first header to check size */ 3172 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3173 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3174 gtoc_cmd.opcode = READ_TOC; 3175 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3176 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3177 gtoc_cmd.from_track = 1; /* first session */ 3178 req_size = sizeof(*toc_hdr); 3179 _lto2b(req_size, gtoc_cmd.data_len); 3180 3181 error = scsipi_command(periph, 3182 (void *)>oc_cmd, sizeof(gtoc_cmd), 3183 (void *)buffer, req_size, 3184 CDRETRIES, 30000, NULL, flags); 3185 if (error) 3186 goto out; 3187 toc_hdr = (struct scsipi_toc_header *) buffer; 3188 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3189 #ifdef DIAGNOSTIC 3190 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3191 #endif 3192 error = ENOBUFS; 3193 goto out; 3194 } 3195 3196 /* read in complete raw toc */ 3197 req_size = _2btol(toc_hdr->length); 3198 _lto2b(req_size, gtoc_cmd.data_len); 3199 3200 error = scsipi_command(periph, 3201 (void *)>oc_cmd, sizeof(gtoc_cmd), 3202 (void *)buffer, req_size, 3203 CDRETRIES, 30000, NULL, flags); 3204 if (error) 3205 goto out; 3206 3207 toc_hdr = (struct scsipi_toc_header *) buffer; 3208 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3209 3210 track_start = 0; 3211 track_end = 0; 3212 track_size = 0; 3213 last_recorded = 0; 3214 next_writable = 0; 3215 flags = 0; 3216 3217 last_tracknr = 1; 3218 next_track_start = 0; 3219 track_sessionnr = MAXTRACK; /* by definition */ 3220 lead_out = 0; 3221 3222 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3223 while (size > 0) { 3224 /* get track start and session end */ 3225 tno = rawtoc->tno; 3226 sessionnr = rawtoc->sessionnr; 3227 adr = rawtoc->adrcontrol >> 4; 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 rawtoc++; 3266 size -= sizeof(struct scsipi_toc_rawtoc); 3267 } 3268 3269 /* process found values; some voodoo */ 3270 /* if no tracksize tracknr is the last of the disc */ 3271 if ((track_size == 0) && last_recorded) { 3272 track_size = last_recorded - track_start; 3273 } 3274 /* if last_recorded < tracksize, tracksize is overestimated */ 3275 if (last_recorded) { 3276 if (last_recorded - track_start <= track_size) { 3277 track_size = last_recorded - track_start; 3278 flags |= MMC_TRACKINFO_LRA_VALID; 3279 } 3280 } 3281 /* check if its a the last track of the sector */ 3282 if (next_writable) { 3283 if (next_track_start > next_writable) 3284 flags |= MMC_TRACKINFO_NWA_VALID; 3285 } 3286 3287 /* no flag set -> no values */ 3288 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3289 last_recorded = 0; 3290 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3291 next_writable = 0; 3292 3293 /* fill in */ 3294 /* trackinfo->tracknr preserved */ 3295 trackinfo->sessionnr = track_sessionnr; 3296 trackinfo->track_mode = 7; /* data, incremental */ 3297 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3298 3299 trackinfo->flags = flags; 3300 trackinfo->track_start = track_start; 3301 trackinfo->next_writable = next_writable; 3302 trackinfo->free_blocks = 0; 3303 trackinfo->packet_size = 1; 3304 trackinfo->track_size = track_size; 3305 trackinfo->last_recorded = last_recorded; 3306 3307 out: 3308 free(buffer, M_TEMP); 3309 return error; 3310 3311 } 3312 3313 static int 3314 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3315 struct mmc_trackinfo *trackinfo) 3316 { 3317 struct scsipi_read_toc gtoc_cmd; 3318 struct scsipi_toc_header *toc_hdr; 3319 struct scsipi_toc_formatted *toc; 3320 uint32_t tracknr, track_start, track_size; 3321 uint32_t lba, lead_out; 3322 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3323 uint8_t *buffer; 3324 uint8_t last_tracknr; 3325 int size, req_size; 3326 int error, flags; 3327 3328 3329 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3330 /* 3331 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3332 * CD-ROM emulation uses since the specification tells us that no such 3333 * thing is defined for DVD's. The reason for this is due to the large 3334 * number of tracks and that would clash with the `magic' values. This 3335 * suxs. 3336 * 3337 * Not all information is present and this presents a problem. 3338 * Track starts are known for each track but other values are 3339 * deducted. 3340 */ 3341 3342 /* get formatted toc to process, first header to check size */ 3343 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3344 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3345 gtoc_cmd.opcode = READ_TOC; 3346 gtoc_cmd.addr_mode = 0; /* lba's please */ 3347 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3348 gtoc_cmd.from_track = 1; /* first track */ 3349 req_size = sizeof(*toc_hdr); 3350 _lto2b(req_size, gtoc_cmd.data_len); 3351 3352 error = scsipi_command(periph, 3353 (void *)>oc_cmd, sizeof(gtoc_cmd), 3354 (void *)buffer, req_size, 3355 CDRETRIES, 30000, NULL, flags); 3356 if (error) 3357 goto out; 3358 toc_hdr = (struct scsipi_toc_header *) buffer; 3359 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3360 #ifdef DIAGNOSTIC 3361 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3362 #endif 3363 error = ENOBUFS; 3364 goto out; 3365 } 3366 3367 /* read in complete formatted toc */ 3368 req_size = _2btol(toc_hdr->length); 3369 _lto2b(req_size, gtoc_cmd.data_len); 3370 3371 error = scsipi_command(periph, 3372 (void *)>oc_cmd, sizeof(gtoc_cmd), 3373 (void *)buffer, req_size, 3374 CDRETRIES, 30000, NULL, flags); 3375 if (error) 3376 goto out; 3377 3378 toc_hdr = (struct scsipi_toc_header *) buffer; 3379 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3380 3381 /* as in read disc info, all sessions are converted to tracks */ 3382 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3383 /* last track -> we got the size from the lead-out */ 3384 3385 tracknr = 0; 3386 last_tracknr = toc_hdr->last; 3387 track_start = 0; 3388 track_size = 0; 3389 lead_out = 0; 3390 3391 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3392 while (size > 0) { 3393 /* remember, DVD-ROM: tracknr == sessionnr */ 3394 lba = _4btol(toc->msf_lba); 3395 tracknr = toc->tracknr; 3396 if (trackinfo->tracknr == tracknr) { 3397 track_start = lba; 3398 } 3399 if (trackinfo->tracknr == tracknr+1) { 3400 track_size = lba - track_start; 3401 track_size -= 16; /* link block ? */ 3402 } 3403 if (tracknr == 0xAA) { 3404 lead_out = lba; 3405 } 3406 toc++; 3407 size -= sizeof(struct scsipi_toc_formatted); 3408 } 3409 if (trackinfo->tracknr == last_tracknr) { 3410 track_size = lead_out - track_start; 3411 } 3412 3413 /* fill in */ 3414 /* trackinfo->tracknr preserved */ 3415 trackinfo->sessionnr = trackinfo->tracknr; 3416 trackinfo->track_mode = 0; /* unknown */ 3417 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3418 3419 trackinfo->flags = 0; 3420 trackinfo->track_start = track_start; 3421 trackinfo->next_writable = 0; 3422 trackinfo->free_blocks = 0; 3423 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3424 trackinfo->track_size = track_size; 3425 trackinfo->last_recorded = 0; 3426 3427 out: 3428 free(buffer, M_TEMP); 3429 return error; 3430 } 3431 3432 static int 3433 mmc_gettrackinfo(struct scsipi_periph *periph, 3434 struct mmc_trackinfo *trackinfo) 3435 { 3436 struct scsipi_read_trackinfo ti_cmd; 3437 struct scsipi_read_trackinfo_data ti; 3438 struct scsipi_get_configuration gc_cmd; 3439 struct scsipi_get_conf_data gc; 3440 int error, flags; 3441 int mmc_profile; 3442 3443 /* set up SCSI call with track number from trackinfo.tracknr */ 3444 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3445 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3446 ti_cmd.opcode = READ_TRACKINFO; 3447 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3448 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3449 3450 /* trackinfo.tracknr contains number of tracks to query */ 3451 _lto4b(trackinfo->tracknr, ti_cmd.address); 3452 error = scsipi_command(periph, 3453 (void *)&ti_cmd, sizeof(ti_cmd), 3454 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3455 CDRETRIES, 30000, NULL, flags); 3456 3457 if (error) { 3458 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3459 /* first determine mmc profile */ 3460 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3461 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3462 gc_cmd.opcode = GET_CONFIGURATION; 3463 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3464 3465 error = scsipi_command(periph, 3466 (void *)&gc_cmd, sizeof(gc_cmd), 3467 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3468 CDRETRIES, 30000, NULL, flags); 3469 if (error) 3470 return error; 3471 mmc_profile = _2btol(gc.mmc_profile); 3472 3473 /* choose emulation */ 3474 if (mmc_profile == 0x08) /* CD-ROM */ 3475 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3476 if (mmc_profile == 0x10) /* DVD-ROM */ 3477 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3478 /* CD/DVD drive is violating specs */ 3479 return EIO; 3480 } 3481 3482 /* (re)initialise structure */ 3483 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3484 3485 /* account for short returns screwing up track and session msb */ 3486 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3487 ti.track_msb = 0; 3488 ti.session_msb = 0; 3489 } 3490 3491 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3492 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3493 trackinfo->track_mode = ti.track_info_1 & 0xf; 3494 trackinfo->data_mode = ti.track_info_2 & 0xf; 3495 3496 flags = 0; 3497 if (ti.track_info_1 & 0x10) 3498 flags |= MMC_TRACKINFO_COPY; 3499 if (ti.track_info_1 & 0x20) 3500 flags |= MMC_TRACKINFO_DAMAGED; 3501 if (ti.track_info_2 & 0x10) 3502 flags |= MMC_TRACKINFO_FIXED_PACKET; 3503 if (ti.track_info_2 & 0x20) 3504 flags |= MMC_TRACKINFO_INCREMENTAL; 3505 if (ti.track_info_2 & 0x40) 3506 flags |= MMC_TRACKINFO_BLANK; 3507 if (ti.track_info_2 & 0x80) 3508 flags |= MMC_TRACKINFO_RESERVED; 3509 if (ti.data_valid & 0x01) 3510 flags |= MMC_TRACKINFO_NWA_VALID; 3511 if (ti.data_valid & 0x02) 3512 flags |= MMC_TRACKINFO_LRA_VALID; 3513 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3514 flags |= MMC_TRACKINFO_DATA; 3515 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3516 flags |= MMC_TRACKINFO_AUDIO; 3517 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3518 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3519 if (trackinfo->track_mode & 1) /* xxx1b */ 3520 flags |= MMC_TRACKINFO_PRE_EMPH; 3521 } 3522 3523 trackinfo->flags = flags; 3524 trackinfo->track_start = _4btol(ti.track_start); 3525 trackinfo->next_writable = _4btol(ti.next_writable); 3526 trackinfo->free_blocks = _4btol(ti.free_blocks); 3527 trackinfo->packet_size = _4btol(ti.packet_size); 3528 trackinfo->track_size = _4btol(ti.track_size); 3529 trackinfo->last_recorded = _4btol(ti.last_recorded); 3530 3531 return 0; 3532 } 3533