1 /* $OpenBSD: cd.c,v 1.218 2016/03/12 15:16:04 krw Exp $ */ 2 /* $NetBSD: cd.c,v 1.100 1997/04/02 02:29:30 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles M. Hannum. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Originally written by Julian Elischer (julian@tfs.com) 35 * for TRW Financial Systems for use under the MACH(2.5) operating system. 36 * 37 * TRW Financial Systems, in accordance with their agreement with Carnegie 38 * Mellon University, makes this software available to CMU to distribute 39 * or use in any manner that they see fit as long as this message is kept with 40 * the software. For this reason TFS also grants any other persons or 41 * organisations permission to use or modify this software. 42 * 43 * TFS supplies this software to be publicly redistributed 44 * on the understanding that TFS is not responsible for the correct 45 * functioning of this software in any circumstances. 46 * 47 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 48 */ 49 50 #include <sys/types.h> 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/timeout.h> 54 #include <sys/file.h> 55 #include <sys/stat.h> 56 #include <sys/ioctl.h> 57 #include <sys/mtio.h> 58 #include <sys/buf.h> 59 #include <sys/uio.h> 60 #include <sys/malloc.h> 61 #include <sys/pool.h> 62 #include <sys/errno.h> 63 #include <sys/device.h> 64 #include <sys/disklabel.h> 65 #include <sys/disk.h> 66 #include <sys/cdio.h> 67 #include <sys/conf.h> 68 #include <sys/scsiio.h> 69 #include <sys/dkio.h> 70 #include <sys/vnode.h> 71 72 #include <scsi/scsi_all.h> 73 #include <scsi/cd.h> 74 #include <scsi/scsi_disk.h> /* rw_big and start_stop come from there */ 75 #include <scsi/scsiconf.h> 76 77 78 #include <ufs/ffs/fs.h> /* for BBSIZE and SBSIZE */ 79 80 #define CDOUTSTANDING 4 81 82 #define MAXTRACK 99 83 #define CD_FRAMES 75 84 #define CD_SECS 60 85 86 struct cd_toc { 87 struct ioc_toc_header header; 88 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 89 /* leadout */ 90 }; 91 92 int cdmatch(struct device *, void *, void *); 93 void cdattach(struct device *, struct device *, void *); 94 int cdactivate(struct device *, int); 95 int cddetach(struct device *, int); 96 97 struct cd_softc { 98 struct device sc_dev; 99 struct disk sc_dk; 100 101 int sc_flags; 102 #define CDF_ANCIENT 0x10 /* disk is ancient; for minphys */ 103 #define CDF_DYING 0x40 /* dying, when deactivated */ 104 #define CDF_WAITING 0x100 105 struct scsi_link *sc_link; /* contains our targ, lun, etc. */ 106 struct cd_parms { 107 u_int32_t secsize; 108 u_int64_t disksize; /* total number sectors */ 109 } params; 110 struct bufq sc_bufq; 111 struct scsi_xshandler sc_xsh; 112 struct timeout sc_timeout; 113 }; 114 115 void cdstart(struct scsi_xfer *); 116 void cd_buf_done(struct scsi_xfer *); 117 void cdminphys(struct buf *); 118 int cdgetdisklabel(dev_t, struct cd_softc *, struct disklabel *, int); 119 int cd_setchan(struct cd_softc *, int, int, int, int, int); 120 int cd_getvol(struct cd_softc *cd, struct ioc_vol *, int); 121 int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 122 int cd_load_unload(struct cd_softc *, int, int); 123 int cd_set_pa_immed(struct cd_softc *, int); 124 int cd_play(struct cd_softc *, int, int); 125 int cd_play_tracks(struct cd_softc *, int, int, int, int); 126 int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 127 int cd_pause(struct cd_softc *, int); 128 int cd_reset(struct cd_softc *); 129 int cd_read_subchannel(struct cd_softc *, int, int, int, 130 struct cd_sub_channel_info *, int ); 131 int cd_read_toc(struct cd_softc *, int, int, void *, int, int); 132 int cd_get_parms(struct cd_softc *, int); 133 int cd_load_toc(struct cd_softc *, struct cd_toc *, int); 134 int cd_interpret_sense(struct scsi_xfer *); 135 u_int64_t cd_size(struct scsi_link *, int, u_int32_t *); 136 137 int dvd_auth(struct cd_softc *, union dvd_authinfo *); 138 int dvd_read_physical(struct cd_softc *, union dvd_struct *); 139 int dvd_read_copyright(struct cd_softc *, union dvd_struct *); 140 int dvd_read_disckey(struct cd_softc *, union dvd_struct *); 141 int dvd_read_bca(struct cd_softc *, union dvd_struct *); 142 int dvd_read_manufact(struct cd_softc *, union dvd_struct *); 143 int dvd_read_struct(struct cd_softc *, union dvd_struct *); 144 145 #if defined(__macppc__) 146 int cd_eject(void); 147 #endif 148 149 struct cfattach cd_ca = { 150 sizeof(struct cd_softc), cdmatch, cdattach, 151 cddetach, cdactivate 152 }; 153 154 struct cfdriver cd_cd = { 155 NULL, "cd", DV_DISK 156 }; 157 158 const struct scsi_inquiry_pattern cd_patterns[] = { 159 {T_CDROM, T_REMOV, 160 "", "", ""}, 161 {T_CDROM, T_FIXED, 162 "", "", ""}, 163 {T_WORM, T_REMOV, 164 "", "", ""}, 165 {T_WORM, T_FIXED, 166 "", "", ""}, 167 {T_DIRECT, T_REMOV, 168 "NEC CD-ROM DRIVE:260", "", ""}, 169 #if 0 170 {T_CDROM, T_REMOV, /* more luns */ 171 "PIONEER ", "CD-ROM DRM-600 ", ""}, 172 #endif 173 }; 174 175 #define cdlookup(unit) (struct cd_softc *)disk_lookup(&cd_cd, (unit)) 176 177 int 178 cdmatch(struct device *parent, void *match, void *aux) 179 { 180 struct scsi_attach_args *sa = aux; 181 int priority; 182 183 scsi_inqmatch(sa->sa_inqbuf, cd_patterns, nitems(cd_patterns), 184 sizeof(cd_patterns[0]), &priority); 185 186 return (priority); 187 } 188 189 /* 190 * The routine called by the low level scsi routine when it discovers 191 * A device suitable for this driver 192 */ 193 void 194 cdattach(struct device *parent, struct device *self, void *aux) 195 { 196 struct cd_softc *sc = (struct cd_softc *)self; 197 struct scsi_attach_args *sa = aux; 198 struct scsi_link *link = sa->sa_sc_link; 199 200 SC_DEBUG(link, SDEV_DB2, ("cdattach:\n")); 201 202 /* 203 * Store information needed to contact our base driver 204 */ 205 sc->sc_link = link; 206 link->interpret_sense = cd_interpret_sense; 207 link->device_softc = sc; 208 if (link->openings > CDOUTSTANDING) 209 link->openings = CDOUTSTANDING; 210 211 /* 212 * Initialize disk structures. 213 */ 214 sc->sc_dk.dk_name = sc->sc_dev.dv_xname; 215 bufq_init(&sc->sc_bufq, BUFQ_DEFAULT); 216 217 /* 218 * Note if this device is ancient. This is used in cdminphys(). 219 */ 220 if (!(link->flags & SDEV_ATAPI) && 221 SCSISPC(sa->sa_inqbuf->version) == 0) 222 sc->sc_flags |= CDF_ANCIENT; 223 224 printf("\n"); 225 226 scsi_xsh_set(&sc->sc_xsh, link, cdstart); 227 timeout_set(&sc->sc_timeout, (void (*)(void *))scsi_xsh_add, 228 &sc->sc_xsh); 229 230 /* Attach disk. */ 231 sc->sc_dk.dk_flags = DKF_NOLABELREAD; 232 disk_attach(&sc->sc_dev, &sc->sc_dk); 233 } 234 235 236 int 237 cdactivate(struct device *self, int act) 238 { 239 struct cd_softc *sc = (struct cd_softc *)self; 240 int rv = 0; 241 242 switch (act) { 243 case DVACT_RESUME: 244 /* 245 * When resuming, hardware may have forgotten we locked it. So if 246 * there are any open partitions, lock the CD. 247 */ 248 if (sc->sc_dk.dk_openmask != 0) 249 scsi_prevent(sc->sc_link, PR_PREVENT, 250 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | 251 SCSI_SILENT | SCSI_AUTOCONF); 252 break; 253 case DVACT_DEACTIVATE: 254 sc->sc_flags |= CDF_DYING; 255 scsi_xsh_del(&sc->sc_xsh); 256 break; 257 } 258 return (rv); 259 } 260 261 int 262 cddetach(struct device *self, int flags) 263 { 264 struct cd_softc *sc = (struct cd_softc *)self; 265 266 bufq_drain(&sc->sc_bufq); 267 268 disk_gone(cdopen, self->dv_unit); 269 270 /* Detach disk. */ 271 bufq_destroy(&sc->sc_bufq); 272 disk_detach(&sc->sc_dk); 273 274 return (0); 275 } 276 277 /* 278 * Open the device. Make sure the partition info is as up-to-date as can be. 279 */ 280 int 281 cdopen(dev_t dev, int flag, int fmt, struct proc *p) 282 { 283 struct scsi_link *link; 284 struct cd_softc *sc; 285 int error = 0, part, rawopen, unit; 286 287 unit = DISKUNIT(dev); 288 part = DISKPART(dev); 289 290 rawopen = (part == RAW_PART) && (fmt == S_IFCHR); 291 292 sc = cdlookup(unit); 293 if (sc == NULL) 294 return (ENXIO); 295 if (sc->sc_flags & CDF_DYING) { 296 device_unref(&sc->sc_dev); 297 return (ENXIO); 298 } 299 300 link = sc->sc_link; 301 SC_DEBUG(link, SDEV_DB1, 302 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, 303 cd_cd.cd_ndevs, part)); 304 305 if ((error = disk_lock(&sc->sc_dk)) != 0) { 306 device_unref(&sc->sc_dev); 307 return (error); 308 } 309 310 if (sc->sc_dk.dk_openmask != 0) { 311 /* 312 * If any partition is open, but the disk has been invalidated, 313 * disallow further opens. 314 */ 315 if ((link->flags & SDEV_MEDIA_LOADED) == 0) { 316 if (rawopen) 317 goto out; 318 error = EIO; 319 goto bad; 320 } 321 } else { 322 /* 323 * Check that it is still responding and ok. Drive can be in 324 * progress of loading media so use increased retries number 325 * and don't ignore NOT_READY. 326 */ 327 328 /* Use cd_interpret_sense() now. */ 329 link->flags |= SDEV_OPEN; 330 331 error = scsi_test_unit_ready(link, TEST_READY_RETRIES, 332 (rawopen ? SCSI_SILENT : 0) | SCSI_IGNORE_ILLEGAL_REQUEST | 333 SCSI_IGNORE_MEDIA_CHANGE); 334 335 /* Start the cd spinning if necessary. */ 336 if (error == EIO) 337 error = scsi_start(link, SSS_START, 338 SCSI_IGNORE_ILLEGAL_REQUEST | 339 SCSI_IGNORE_MEDIA_CHANGE | SCSI_SILENT); 340 341 if (error) { 342 if (rawopen) { 343 error = 0; 344 goto out; 345 } else 346 goto bad; 347 } 348 349 /* Lock the cd in. */ 350 error = scsi_prevent(link, PR_PREVENT, 351 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | 352 SCSI_SILENT); 353 if (error) 354 goto bad; 355 356 /* Load the physical device parameters. */ 357 link->flags |= SDEV_MEDIA_LOADED; 358 if (cd_get_parms(sc, (rawopen ? SCSI_SILENT : 0) | 359 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE)) { 360 link->flags &= ~SDEV_MEDIA_LOADED; 361 error = ENXIO; 362 goto bad; 363 } 364 SC_DEBUG(link, SDEV_DB3, ("Params loaded\n")); 365 366 /* Fabricate a disk label. */ 367 cdgetdisklabel(dev, sc, sc->sc_dk.dk_label, 0); 368 SC_DEBUG(link, SDEV_DB3, ("Disklabel fabricated\n")); 369 } 370 371 out: 372 if ((error = disk_openpart(&sc->sc_dk, part, fmt, 1)) != 0) 373 goto bad; 374 375 link->flags |= SDEV_OPEN; 376 SC_DEBUG(link, SDEV_DB3, ("open complete\n")); 377 378 /* It's OK to fall through because dk_openmask is now non-zero. */ 379 bad: 380 if (sc->sc_dk.dk_openmask == 0) { 381 scsi_prevent(link, PR_ALLOW, 382 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_MEDIA_CHANGE | 383 SCSI_SILENT); 384 link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); 385 } 386 387 disk_unlock(&sc->sc_dk); 388 device_unref(&sc->sc_dev); 389 return (error); 390 } 391 392 /* 393 * Close the device. Only called if we are the last occurrence of an open 394 * device. 395 */ 396 int 397 cdclose(dev_t dev, int flag, int fmt, struct proc *p) 398 { 399 struct cd_softc *sc; 400 int part = DISKPART(dev); 401 402 sc = cdlookup(DISKUNIT(dev)); 403 if (sc == NULL) 404 return ENXIO; 405 if (sc->sc_flags & CDF_DYING) { 406 device_unref(&sc->sc_dev); 407 return (ENXIO); 408 } 409 410 disk_lock_nointr(&sc->sc_dk); 411 412 disk_closepart(&sc->sc_dk, part, fmt); 413 414 if (sc->sc_dk.dk_openmask == 0) { 415 /* XXXX Must wait for I/O to complete! */ 416 417 scsi_prevent(sc->sc_link, PR_ALLOW, 418 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | 419 SCSI_SILENT); 420 sc->sc_link->flags &= ~(SDEV_OPEN | SDEV_MEDIA_LOADED); 421 422 if (sc->sc_link->flags & SDEV_EJECTING) { 423 scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0); 424 425 sc->sc_link->flags &= ~SDEV_EJECTING; 426 } 427 428 timeout_del(&sc->sc_timeout); 429 scsi_xsh_del(&sc->sc_xsh); 430 } 431 432 disk_unlock(&sc->sc_dk); 433 434 device_unref(&sc->sc_dev); 435 return 0; 436 } 437 438 /* 439 * Actually translate the requested transfer into one the physical driver can 440 * understand. The transfer is described by a buf and will include only one 441 * physical transfer. 442 */ 443 void 444 cdstrategy(struct buf *bp) 445 { 446 struct cd_softc *sc; 447 int s; 448 449 sc = cdlookup(DISKUNIT(bp->b_dev)); 450 if (sc == NULL) { 451 bp->b_error = ENXIO; 452 goto bad; 453 } 454 if (sc->sc_flags & CDF_DYING) { 455 bp->b_error = ENXIO; 456 goto bad; 457 } 458 459 SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdstrategy: %ld bytes @ blk %lld\n", 460 bp->b_bcount, (long long)bp->b_blkno)); 461 /* 462 * If the device has been made invalid, error out 463 * maybe the media changed, or no media loaded 464 */ 465 if ((sc->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { 466 bp->b_error = EIO; 467 goto bad; 468 } 469 470 /* Validate the request. */ 471 if (bounds_check_with_label(bp, sc->sc_dk.dk_label) == -1) 472 goto done; 473 474 /* Place it in the queue of disk activities for this disk. */ 475 bufq_queue(&sc->sc_bufq, bp); 476 477 /* 478 * Tell the device to get going on the transfer if it's 479 * not doing anything, otherwise just wait for completion 480 */ 481 scsi_xsh_add(&sc->sc_xsh); 482 483 device_unref(&sc->sc_dev); 484 return; 485 486 bad: 487 bp->b_flags |= B_ERROR; 488 bp->b_resid = bp->b_bcount; 489 done: 490 s = splbio(); 491 biodone(bp); 492 splx(s); 493 if (sc != NULL) 494 device_unref(&sc->sc_dev); 495 } 496 497 /* 498 * cdstart looks to see if there is a buf waiting for the device 499 * and that the device is not already busy. If both are true, 500 * It deques the buf and creates a scsi command to perform the 501 * transfer in the buf. The transfer request will call scsi_done 502 * on completion, which will in turn call this routine again 503 * so that the next queued transfer is performed. 504 * The bufs are queued by the strategy routine (cdstrategy) 505 * 506 * This routine is also called after other non-queued requests 507 * have been made of the scsi driver, to ensure that the queue 508 * continues to be drained. 509 * 510 * must be called at the correct (highish) spl level 511 * cdstart() is called at splbio from cdstrategy and scsi_done 512 */ 513 void 514 cdstart(struct scsi_xfer *xs) 515 { 516 struct scsi_link *link = xs->sc_link; 517 struct cd_softc *sc = link->device_softc; 518 struct buf *bp; 519 struct scsi_rw_big *cmd_big; 520 struct scsi_rw *cmd_small; 521 u_int64_t secno, nsecs; 522 struct partition *p; 523 int read; 524 525 SC_DEBUG(link, SDEV_DB2, ("cdstart\n")); 526 527 if (sc->sc_flags & CDF_DYING) { 528 scsi_xs_put(xs); 529 return; 530 } 531 532 /* 533 * If the device has become invalid, abort all the 534 * reads and writes until all files have been closed and 535 * re-opened 536 */ 537 if ((link->flags & SDEV_MEDIA_LOADED) == 0) { 538 bufq_drain(&sc->sc_bufq); 539 scsi_xs_put(xs); 540 return; 541 } 542 543 bp = bufq_dequeue(&sc->sc_bufq); 544 if (bp == NULL) { 545 scsi_xs_put(xs); 546 return; 547 } 548 549 /* 550 * We have a buf, now we should make a command 551 * 552 * First, translate the block to absolute and put it in terms 553 * of the logical blocksize of the device. 554 */ 555 secno = DL_BLKTOSEC(sc->sc_dk.dk_label, bp->b_blkno); 556 p = &sc->sc_dk.dk_label->d_partitions[DISKPART(bp->b_dev)]; 557 secno += DL_GETPOFFSET(p); 558 nsecs = howmany(bp->b_bcount, sc->sc_dk.dk_label->d_secsize); 559 560 read = (bp->b_flags & B_READ); 561 562 /* 563 * Fill out the scsi command. If the transfer will 564 * fit in a "small" cdb, use it. 565 */ 566 if (!(link->flags & SDEV_ATAPI) && 567 !(link->quirks & SDEV_ONLYBIG) && 568 ((secno & 0x1fffff) == secno) && 569 ((nsecs & 0xff) == nsecs)) { 570 /* 571 * We can fit in a small cdb. 572 */ 573 cmd_small = (struct scsi_rw *)xs->cmd; 574 cmd_small->opcode = read ? 575 READ_COMMAND : WRITE_COMMAND; 576 _lto3b(secno, cmd_small->addr); 577 cmd_small->length = nsecs & 0xff; 578 xs->cmdlen = sizeof(*cmd_small); 579 } else { 580 /* 581 * Need a large cdb. 582 */ 583 cmd_big = (struct scsi_rw_big *)xs->cmd; 584 cmd_big->opcode = read ? 585 READ_BIG : WRITE_BIG; 586 _lto4b(secno, cmd_big->addr); 587 _lto2b(nsecs, cmd_big->length); 588 xs->cmdlen = sizeof(*cmd_big); 589 } 590 591 xs->flags |= (read ? SCSI_DATA_IN : SCSI_DATA_OUT); 592 xs->timeout = 30000; 593 xs->data = bp->b_data; 594 xs->datalen = bp->b_bcount; 595 xs->done = cd_buf_done; 596 xs->cookie = bp; 597 xs->bp = bp; 598 599 /* Instrumentation. */ 600 disk_busy(&sc->sc_dk); 601 602 scsi_xs_exec(xs); 603 604 if (ISSET(sc->sc_flags, CDF_WAITING)) 605 CLR(sc->sc_flags, CDF_WAITING); 606 else if (bufq_peek(&sc->sc_bufq)) 607 scsi_xsh_add(&sc->sc_xsh); 608 } 609 610 void 611 cd_buf_done(struct scsi_xfer *xs) 612 { 613 struct cd_softc *sc = xs->sc_link->device_softc; 614 struct buf *bp = xs->cookie; 615 int error, s; 616 617 switch (xs->error) { 618 case XS_NOERROR: 619 bp->b_error = 0; 620 bp->b_resid = xs->resid; 621 break; 622 623 case XS_NO_CCB: 624 /* The adapter is busy, requeue the buf and try it later. */ 625 disk_unbusy(&sc->sc_dk, bp->b_bcount - xs->resid, 626 bp->b_flags & B_READ); 627 bufq_requeue(&sc->sc_bufq, bp); 628 scsi_xs_put(xs); 629 SET(sc->sc_flags, CDF_WAITING); 630 timeout_add(&sc->sc_timeout, 1); 631 return; 632 633 case XS_SENSE: 634 case XS_SHORTSENSE: 635 #ifdef SCSIDEBUG 636 scsi_sense_print_debug(xs); 637 #endif 638 error = cd_interpret_sense(xs); 639 if (error == 0) { 640 bp->b_error = 0; 641 bp->b_resid = xs->resid; 642 break; 643 } 644 if (error != ERESTART) 645 xs->retries = 0; 646 goto retry; 647 648 case XS_BUSY: 649 if (xs->retries) { 650 if (scsi_delay(xs, 1) != ERESTART) 651 xs->retries = 0; 652 } 653 goto retry; 654 655 case XS_TIMEOUT: 656 retry: 657 if (xs->retries--) { 658 scsi_xs_exec(xs); 659 return; 660 } 661 /* FALLTHROUGH */ 662 663 default: 664 bp->b_error = EIO; 665 bp->b_flags |= B_ERROR; 666 bp->b_resid = bp->b_bcount; 667 break; 668 } 669 670 disk_unbusy(&sc->sc_dk, bp->b_bcount - xs->resid, 671 bp->b_flags & B_READ); 672 673 s = splbio(); 674 biodone(bp); 675 splx(s); 676 scsi_xs_put(xs); 677 } 678 679 void 680 cdminphys(struct buf *bp) 681 { 682 struct cd_softc *sc; 683 long max; 684 685 sc = cdlookup(DISKUNIT(bp->b_dev)); 686 if (sc == NULL) 687 return; 688 689 /* 690 * If the device is ancient, we want to make sure that 691 * the transfer fits into a 6-byte cdb. 692 * 693 * XXX Note that the SCSI-I spec says that 256-block transfers 694 * are allowed in a 6-byte read/write, and are specified 695 * by setting the "length" to 0. However, we're conservative 696 * here, allowing only 255-block transfers in case an 697 * ancient device gets confused by length == 0. A length of 0 698 * in a 10-byte read/write actually means 0 blocks. 699 */ 700 if (sc->sc_flags & CDF_ANCIENT) { 701 max = sc->sc_dk.dk_label->d_secsize * 0xff; 702 703 if (bp->b_bcount > max) 704 bp->b_bcount = max; 705 } 706 707 (*sc->sc_link->adapter->scsi_minphys)(bp, sc->sc_link); 708 709 device_unref(&sc->sc_dev); 710 } 711 712 int 713 cdread(dev_t dev, struct uio *uio, int ioflag) 714 { 715 716 return (physio(cdstrategy, dev, B_READ, cdminphys, uio)); 717 } 718 719 int 720 cdwrite(dev_t dev, struct uio *uio, int ioflag) 721 { 722 723 return (physio(cdstrategy, dev, B_WRITE, cdminphys, uio)); 724 } 725 726 /* 727 * Perform special action on behalf of the user. 728 * Knows about the internals of this device 729 */ 730 int 731 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 732 { 733 struct cd_softc *sc; 734 struct disklabel *lp; 735 int part = DISKPART(dev); 736 int error = 0; 737 738 sc = cdlookup(DISKUNIT(dev)); 739 if (sc == NULL) 740 return ENXIO; 741 if (sc->sc_flags & CDF_DYING) { 742 device_unref(&sc->sc_dev); 743 return (ENXIO); 744 } 745 746 SC_DEBUG(sc->sc_link, SDEV_DB2, ("cdioctl 0x%lx\n", cmd)); 747 748 /* 749 * If the device is not valid.. abandon ship 750 */ 751 if ((sc->sc_link->flags & SDEV_MEDIA_LOADED) == 0) { 752 switch (cmd) { 753 case DIOCLOCK: 754 case DIOCEJECT: 755 case SCIOCIDENTIFY: 756 case SCIOCCOMMAND: 757 case SCIOCDEBUG: 758 case CDIOCLOADUNLOAD: 759 case SCIOCRESET: 760 case CDIOCGETVOL: 761 case CDIOCSETVOL: 762 case CDIOCSETMONO: 763 case CDIOCSETSTEREO: 764 case CDIOCSETMUTE: 765 case CDIOCSETLEFT: 766 case CDIOCSETRIGHT: 767 case CDIOCCLOSE: 768 case CDIOCEJECT: 769 case CDIOCALLOW: 770 case CDIOCPREVENT: 771 case CDIOCSETDEBUG: 772 case CDIOCCLRDEBUG: 773 case CDIOCRESET: 774 case DVD_AUTH: 775 case DVD_READ_STRUCT: 776 case MTIOCTOP: 777 if (part == RAW_PART) 778 break; 779 /* FALLTHROUGH */ 780 default: 781 if ((sc->sc_link->flags & SDEV_OPEN) == 0) 782 error = ENODEV; 783 else 784 error = EIO; 785 goto exit; 786 } 787 } 788 789 switch (cmd) { 790 case DIOCRLDINFO: 791 lp = malloc(sizeof(*lp), M_TEMP, M_WAITOK); 792 cdgetdisklabel(dev, sc, lp, 0); 793 memcpy(sc->sc_dk.dk_label, lp, sizeof(*lp)); 794 free(lp, M_TEMP, sizeof(*lp)); 795 break; 796 797 case DIOCGPDINFO: 798 cdgetdisklabel(dev, sc, (struct disklabel *)addr, 1); 799 break; 800 801 case DIOCGDINFO: 802 *(struct disklabel *)addr = *(sc->sc_dk.dk_label); 803 break; 804 805 case DIOCGPART: 806 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label; 807 ((struct partinfo *)addr)->part = 808 &sc->sc_dk.dk_label->d_partitions[DISKPART(dev)]; 809 break; 810 811 case DIOCWDINFO: 812 case DIOCSDINFO: 813 if ((flag & FWRITE) == 0) { 814 error = EBADF; 815 break; 816 } 817 818 if ((error = disk_lock(&sc->sc_dk)) != 0) 819 break; 820 821 error = setdisklabel(sc->sc_dk.dk_label, 822 (struct disklabel *)addr, sc->sc_dk.dk_openmask); 823 if (error == 0) { 824 } 825 826 disk_unlock(&sc->sc_dk); 827 break; 828 829 case CDIOCPLAYTRACKS: { 830 struct ioc_play_track *args = (struct ioc_play_track *)addr; 831 832 if ((error = cd_set_pa_immed(sc, 0)) != 0) 833 break; 834 error = cd_play_tracks(sc, args->start_track, 835 args->start_index, args->end_track, args->end_index); 836 break; 837 } 838 case CDIOCPLAYMSF: { 839 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 840 841 if ((error = cd_set_pa_immed(sc, 0)) != 0) 842 break; 843 error = cd_play_msf(sc, args->start_m, args->start_s, 844 args->start_f, args->end_m, args->end_s, args->end_f); 845 break; 846 } 847 case CDIOCPLAYBLOCKS: { 848 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 849 850 if ((error = cd_set_pa_immed(sc, 0)) != 0) 851 break; 852 error = cd_play(sc, args->blk, args->len); 853 break; 854 } 855 case CDIOCREADSUBCHANNEL: { 856 struct ioc_read_subchannel *args = 857 (struct ioc_read_subchannel *)addr; 858 struct cd_sub_channel_info *data; 859 int len = args->data_len; 860 861 if (len > sizeof(*data) || 862 len < sizeof(struct cd_sub_channel_header)) { 863 error = EINVAL; 864 break; 865 } 866 data = dma_alloc(sizeof(*data), PR_WAITOK); 867 error = cd_read_subchannel(sc, args->address_format, 868 args->data_format, args->track, data, len); 869 if (error) { 870 dma_free(data, sizeof(*data)); 871 break; 872 } 873 len = min(len, _2btol(data->header.data_len) + 874 sizeof(struct cd_sub_channel_header)); 875 error = copyout(data, args->data, len); 876 dma_free(data, sizeof(*data)); 877 break; 878 } 879 case CDIOREADTOCHEADER: { 880 struct ioc_toc_header *th; 881 882 th = dma_alloc(sizeof(*th), PR_WAITOK); 883 if ((error = cd_read_toc(sc, 0, 0, th, sizeof(*th), 0)) != 0) { 884 dma_free(th, sizeof(*th)); 885 break; 886 } 887 if (sc->sc_link->quirks & ADEV_LITTLETOC) 888 th->len = letoh16(th->len); 889 else 890 th->len = betoh16(th->len); 891 if (th->len > 0) 892 memcpy(addr, th, sizeof(*th)); 893 else 894 error = EIO; 895 dma_free(th, sizeof(*th)); 896 break; 897 } 898 case CDIOREADTOCENTRYS: { 899 struct cd_toc *toc; 900 struct ioc_read_toc_entry *te = 901 (struct ioc_read_toc_entry *)addr; 902 struct ioc_toc_header *th; 903 struct cd_toc_entry *cte; 904 int len = te->data_len; 905 int ntracks; 906 907 toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); 908 909 th = &toc->header; 910 911 if (len > sizeof(toc->entries) || 912 len < sizeof(struct cd_toc_entry)) { 913 dma_free(toc, sizeof(*toc)); 914 error = EINVAL; 915 break; 916 } 917 error = cd_read_toc(sc, te->address_format, te->starting_track, 918 toc, len + sizeof(struct ioc_toc_header), 0); 919 if (error) { 920 dma_free(toc, sizeof(*toc)); 921 break; 922 } 923 if (te->address_format == CD_LBA_FORMAT) 924 for (ntracks = 925 th->ending_track - th->starting_track + 1; 926 ntracks >= 0; ntracks--) { 927 cte = &toc->entries[ntracks]; 928 cte->addr_type = CD_LBA_FORMAT; 929 if (sc->sc_link->quirks & ADEV_LITTLETOC) { 930 #if BYTE_ORDER == BIG_ENDIAN 931 swap16_multi((u_int16_t *)&cte->addr, 932 sizeof(cte->addr) / 2); 933 #endif 934 } else 935 cte->addr.lba = betoh32(cte->addr.lba); 936 } 937 if (sc->sc_link->quirks & ADEV_LITTLETOC) { 938 th->len = letoh16(th->len); 939 } else 940 th->len = betoh16(th->len); 941 len = min(len, th->len - (sizeof(th->starting_track) + 942 sizeof(th->ending_track))); 943 944 error = copyout(toc->entries, te->data, len); 945 dma_free(toc, sizeof(*toc)); 946 break; 947 } 948 case CDIOREADMSADDR: { 949 struct cd_toc *toc; 950 int sessno = *(int *)addr; 951 struct cd_toc_entry *cte; 952 953 if (sessno != 0) { 954 error = EINVAL; 955 break; 956 } 957 958 toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); 959 960 error = cd_read_toc(sc, 0, 0, toc, 961 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 962 0x40 /* control word for "get MS info" */); 963 964 if (error) { 965 dma_free(toc, sizeof(*toc)); 966 break; 967 } 968 969 cte = &toc->entries[0]; 970 if (sc->sc_link->quirks & ADEV_LITTLETOC) { 971 #if BYTE_ORDER == BIG_ENDIAN 972 swap16_multi((u_int16_t *)&cte->addr, 973 sizeof(cte->addr) / 2); 974 #endif 975 } else 976 cte->addr.lba = betoh32(cte->addr.lba); 977 if (sc->sc_link->quirks & ADEV_LITTLETOC) 978 toc->header.len = letoh16(toc->header.len); 979 else 980 toc->header.len = betoh16(toc->header.len); 981 982 *(int *)addr = (toc->header.len >= 10 && cte->track > 1) ? 983 cte->addr.lba : 0; 984 dma_free(toc, sizeof(*toc)); 985 break; 986 } 987 case CDIOCSETPATCH: { 988 struct ioc_patch *arg = (struct ioc_patch *)addr; 989 990 error = cd_setchan(sc, arg->patch[0], arg->patch[1], 991 arg->patch[2], arg->patch[3], 0); 992 break; 993 } 994 case CDIOCGETVOL: { 995 struct ioc_vol *arg = (struct ioc_vol *)addr; 996 997 error = cd_getvol(sc, arg, 0); 998 break; 999 } 1000 case CDIOCSETVOL: { 1001 struct ioc_vol *arg = (struct ioc_vol *)addr; 1002 1003 error = cd_setvol(sc, arg, 0); 1004 break; 1005 } 1006 1007 case CDIOCSETMONO: 1008 error = cd_setchan(sc, BOTH_CHANNEL, BOTH_CHANNEL, MUTE_CHANNEL, 1009 MUTE_CHANNEL, 0); 1010 break; 1011 1012 case CDIOCSETSTEREO: 1013 error = cd_setchan(sc, LEFT_CHANNEL, RIGHT_CHANNEL, 1014 MUTE_CHANNEL, MUTE_CHANNEL, 0); 1015 break; 1016 1017 case CDIOCSETMUTE: 1018 error = cd_setchan(sc, MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 1019 MUTE_CHANNEL, 0); 1020 break; 1021 1022 case CDIOCSETLEFT: 1023 error = cd_setchan(sc, LEFT_CHANNEL, LEFT_CHANNEL, MUTE_CHANNEL, 1024 MUTE_CHANNEL, 0); 1025 break; 1026 1027 case CDIOCSETRIGHT: 1028 error = cd_setchan(sc, RIGHT_CHANNEL, RIGHT_CHANNEL, 1029 MUTE_CHANNEL, MUTE_CHANNEL, 0); 1030 break; 1031 1032 case CDIOCRESUME: 1033 error = cd_pause(sc, 1); 1034 break; 1035 1036 case CDIOCPAUSE: 1037 error = cd_pause(sc, 0); 1038 break; 1039 case CDIOCSTART: 1040 error = scsi_start(sc->sc_link, SSS_START, 0); 1041 break; 1042 1043 case CDIOCSTOP: 1044 error = scsi_start(sc->sc_link, SSS_STOP, 0); 1045 break; 1046 1047 close_tray: 1048 case CDIOCCLOSE: 1049 error = scsi_start(sc->sc_link, SSS_START|SSS_LOEJ, 1050 SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE); 1051 break; 1052 1053 case MTIOCTOP: 1054 if (((struct mtop *)addr)->mt_op == MTRETEN) 1055 goto close_tray; 1056 if (((struct mtop *)addr)->mt_op != MTOFFL) { 1057 error = EIO; 1058 break; 1059 } 1060 /* FALLTHROUGH */ 1061 case CDIOCEJECT: /* FALLTHROUGH */ 1062 case DIOCEJECT: 1063 sc->sc_link->flags |= SDEV_EJECTING; 1064 break; 1065 case CDIOCALLOW: 1066 error = scsi_prevent(sc->sc_link, PR_ALLOW, 0); 1067 break; 1068 case CDIOCPREVENT: 1069 error = scsi_prevent(sc->sc_link, PR_PREVENT, 0); 1070 break; 1071 case DIOCLOCK: 1072 error = scsi_prevent(sc->sc_link, 1073 (*(int *)addr) ? PR_PREVENT : PR_ALLOW, 0); 1074 break; 1075 case CDIOCSETDEBUG: 1076 sc->sc_link->flags |= (SDEV_DB1 | SDEV_DB2); 1077 break; 1078 case CDIOCCLRDEBUG: 1079 sc->sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); 1080 break; 1081 case CDIOCRESET: 1082 case SCIOCRESET: 1083 error = cd_reset(sc); 1084 break; 1085 case CDIOCLOADUNLOAD: { 1086 struct ioc_load_unload *args = (struct ioc_load_unload *)addr; 1087 1088 error = cd_load_unload(sc, args->options, args->slot); 1089 break; 1090 } 1091 1092 case DVD_AUTH: 1093 error = dvd_auth(sc, (union dvd_authinfo *)addr); 1094 break; 1095 case DVD_READ_STRUCT: 1096 error = dvd_read_struct(sc, (union dvd_struct *)addr); 1097 break; 1098 default: 1099 if (DISKPART(dev) != RAW_PART) { 1100 error = ENOTTY; 1101 break; 1102 } 1103 error = scsi_do_ioctl(sc->sc_link, cmd, addr, flag); 1104 break; 1105 } 1106 1107 exit: 1108 1109 device_unref(&sc->sc_dev); 1110 return (error); 1111 } 1112 1113 /* 1114 * Load the label information on the named device 1115 * Actually fabricate a disklabel 1116 * 1117 * EVENTUALLY take information about different 1118 * data tracks from the TOC and put it in the disklabel 1119 */ 1120 int 1121 cdgetdisklabel(dev_t dev, struct cd_softc *sc, struct disklabel *lp, 1122 int spoofonly) 1123 { 1124 struct cd_toc *toc; 1125 int tocidx, n, audioonly = 1; 1126 1127 bzero(lp, sizeof(struct disklabel)); 1128 1129 lp->d_secsize = sc->params.secsize; 1130 lp->d_ntracks = 1; 1131 lp->d_nsectors = 100; 1132 lp->d_secpercyl = 100; 1133 lp->d_ncylinders = (sc->params.disksize / 100) + 1; 1134 1135 if (sc->sc_link->flags & SDEV_ATAPI) { 1136 strncpy(lp->d_typename, "ATAPI CD-ROM", sizeof(lp->d_typename)); 1137 lp->d_type = DTYPE_ATAPI; 1138 } else { 1139 strncpy(lp->d_typename, "SCSI CD-ROM", sizeof(lp->d_typename)); 1140 lp->d_type = DTYPE_SCSI; 1141 } 1142 1143 strncpy(lp->d_packname, "fictitious", sizeof(lp->d_packname)); 1144 DL_SETDSIZE(lp, sc->params.disksize); 1145 lp->d_version = 1; 1146 1147 /* XXX - these values for BBSIZE and SBSIZE assume ffs */ 1148 lp->d_bbsize = BBSIZE; 1149 lp->d_sbsize = SBSIZE; 1150 1151 lp->d_magic = DISKMAGIC; 1152 lp->d_magic2 = DISKMAGIC; 1153 lp->d_checksum = dkcksum(lp); 1154 1155 toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); 1156 if (cd_load_toc(sc, toc, CD_LBA_FORMAT)) { 1157 audioonly = 0; /* No valid TOC found == not an audio CD. */ 1158 goto done; 1159 } 1160 1161 n = toc->header.ending_track - toc->header.starting_track + 1; 1162 for (tocidx = 0; tocidx < n; tocidx++) 1163 if (toc->entries[tocidx].control & 4) { 1164 audioonly = 0; /* Found a non-audio track. */ 1165 goto done; 1166 } 1167 1168 done: 1169 dma_free(toc, sizeof(*toc)); 1170 1171 if (audioonly) 1172 return (0); 1173 return readdisklabel(DISKLABELDEV(dev), cdstrategy, lp, spoofonly); 1174 } 1175 1176 int 1177 cd_setchan(struct cd_softc *sc, int p0, int p1, int p2, int p3, int flags) 1178 { 1179 union scsi_mode_sense_buf *data; 1180 struct cd_audio_page *audio = NULL; 1181 int error, big; 1182 1183 data = dma_alloc(sizeof(*data), PR_NOWAIT); 1184 if (data == NULL) 1185 return (ENOMEM); 1186 1187 error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data, 1188 (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); 1189 if (error == 0 && audio == NULL) 1190 error = EIO; 1191 1192 if (error == 0) { 1193 audio->port[LEFT_PORT].channels = p0; 1194 audio->port[RIGHT_PORT].channels = p1; 1195 audio->port[2].channels = p2; 1196 audio->port[3].channels = p3; 1197 if (big) 1198 error = scsi_mode_select_big(sc->sc_link, SMS_PF, 1199 &data->hdr_big, flags, 20000); 1200 else 1201 error = scsi_mode_select(sc->sc_link, SMS_PF, 1202 &data->hdr, flags, 20000); 1203 } 1204 1205 dma_free(data, sizeof(*data)); 1206 return (error); 1207 } 1208 1209 int 1210 cd_getvol(struct cd_softc *sc, struct ioc_vol *arg, int flags) 1211 { 1212 union scsi_mode_sense_buf *data; 1213 struct cd_audio_page *audio = NULL; 1214 int error; 1215 1216 data = dma_alloc(sizeof(*data), PR_NOWAIT); 1217 if (data == NULL) 1218 return (ENOMEM); 1219 1220 error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data, 1221 (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, NULL); 1222 if (error == 0 && audio == NULL) 1223 error = EIO; 1224 1225 if (error == 0) { 1226 arg->vol[0] = audio->port[0].volume; 1227 arg->vol[1] = audio->port[1].volume; 1228 arg->vol[2] = audio->port[2].volume; 1229 arg->vol[3] = audio->port[3].volume; 1230 } 1231 1232 dma_free(data, sizeof(*data)); 1233 return (0); 1234 } 1235 1236 int 1237 cd_setvol(struct cd_softc *sc, const struct ioc_vol *arg, int flags) 1238 { 1239 union scsi_mode_sense_buf *data; 1240 struct cd_audio_page *audio = NULL; 1241 u_int8_t mask_volume[4]; 1242 int error, big; 1243 1244 data = dma_alloc(sizeof(*data), PR_NOWAIT); 1245 if (data == NULL) 1246 return (ENOMEM); 1247 1248 error = scsi_do_mode_sense(sc->sc_link, 1249 AUDIO_PAGE | SMS_PAGE_CTRL_CHANGEABLE, data, (void **)&audio, NULL, 1250 NULL, NULL, sizeof(*audio), flags, NULL); 1251 if (error == 0 && audio == NULL) 1252 error = EIO; 1253 if (error != 0) { 1254 dma_free(data, sizeof(*data)); 1255 return (error); 1256 } 1257 1258 mask_volume[0] = audio->port[0].volume; 1259 mask_volume[1] = audio->port[1].volume; 1260 mask_volume[2] = audio->port[2].volume; 1261 mask_volume[3] = audio->port[3].volume; 1262 1263 error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data, 1264 (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); 1265 if (error == 0 && audio == NULL) 1266 error = EIO; 1267 if (error != 0) { 1268 dma_free(data, sizeof(*data)); 1269 return (error); 1270 } 1271 1272 audio->port[0].volume = arg->vol[0] & mask_volume[0]; 1273 audio->port[1].volume = arg->vol[1] & mask_volume[1]; 1274 audio->port[2].volume = arg->vol[2] & mask_volume[2]; 1275 audio->port[3].volume = arg->vol[3] & mask_volume[3]; 1276 1277 if (big) 1278 error = scsi_mode_select_big(sc->sc_link, SMS_PF, 1279 &data->hdr_big, flags, 20000); 1280 else 1281 error = scsi_mode_select(sc->sc_link, SMS_PF, 1282 &data->hdr, flags, 20000); 1283 1284 dma_free(data, sizeof(*data)); 1285 return (error); 1286 } 1287 1288 int 1289 cd_load_unload(struct cd_softc *sc, int options, int slot) 1290 { 1291 struct scsi_load_unload *cmd; 1292 struct scsi_xfer *xs; 1293 int error; 1294 1295 xs = scsi_xs_get(sc->sc_link, 0); 1296 if (xs == NULL) 1297 return (ENOMEM); 1298 xs->cmdlen = sizeof(*cmd); 1299 xs->timeout = 200000; 1300 1301 cmd = (struct scsi_load_unload *)xs->cmd; 1302 cmd->opcode = LOAD_UNLOAD; 1303 cmd->options = options; /* ioctl uses ATAPI values */ 1304 cmd->slot = slot; 1305 1306 error = scsi_xs_sync(xs); 1307 scsi_xs_put(xs); 1308 1309 return (error); 1310 } 1311 1312 int 1313 cd_set_pa_immed(struct cd_softc *sc, int flags) 1314 { 1315 union scsi_mode_sense_buf *data; 1316 struct cd_audio_page *audio = NULL; 1317 int error, oflags, big; 1318 1319 if (sc->sc_link->flags & SDEV_ATAPI) 1320 /* XXX Noop? */ 1321 return (0); 1322 1323 data = dma_alloc(sizeof(*data), PR_NOWAIT); 1324 if (data == NULL) 1325 return (ENOMEM); 1326 1327 error = scsi_do_mode_sense(sc->sc_link, AUDIO_PAGE, data, 1328 (void **)&audio, NULL, NULL, NULL, sizeof(*audio), flags, &big); 1329 if (error == 0 && audio == NULL) 1330 error = EIO; 1331 1332 if (error == 0) { 1333 oflags = audio->flags; 1334 audio->flags &= ~CD_PA_SOTC; 1335 audio->flags |= CD_PA_IMMED; 1336 if (audio->flags != oflags) { 1337 if (big) 1338 error = scsi_mode_select_big(sc->sc_link, 1339 SMS_PF, &data->hdr_big, flags, 20000); 1340 else 1341 error = scsi_mode_select(sc->sc_link, SMS_PF, 1342 &data->hdr, flags, 20000); 1343 } 1344 } 1345 1346 dma_free(data, sizeof(*data)); 1347 return (error); 1348 } 1349 1350 /* 1351 * Get scsi driver to send a "start playing" command 1352 */ 1353 int 1354 cd_play(struct cd_softc *sc, int secno, int nsecs) 1355 { 1356 struct scsi_play *cmd; 1357 struct scsi_xfer *xs; 1358 int error; 1359 1360 xs = scsi_xs_get(sc->sc_link, 0); 1361 if (xs == NULL) 1362 return (ENOMEM); 1363 xs->cmdlen = sizeof(*cmd); 1364 xs->timeout = 200000; 1365 1366 cmd = (struct scsi_play *)xs->cmd; 1367 cmd->opcode = PLAY; 1368 _lto4b(secno, cmd->blk_addr); 1369 _lto2b(nsecs, cmd->xfer_len); 1370 1371 error = scsi_xs_sync(xs); 1372 scsi_xs_put(xs); 1373 1374 return (error); 1375 } 1376 1377 /* 1378 * Get scsi driver to send a "start playing" command 1379 */ 1380 int 1381 cd_play_tracks(struct cd_softc *sc, int strack, int sindex, int etrack, 1382 int eindex) 1383 { 1384 struct cd_toc *toc; 1385 u_char endf, ends, endm; 1386 int error; 1387 1388 if (!etrack) 1389 return (EIO); 1390 if (strack > etrack) 1391 return (EINVAL); 1392 1393 toc = dma_alloc(sizeof(*toc), PR_WAITOK | PR_ZERO); 1394 1395 if ((error = cd_load_toc(sc, toc, CD_MSF_FORMAT)) != 0) 1396 goto done; 1397 1398 if (++etrack > (toc->header.ending_track+1)) 1399 etrack = toc->header.ending_track+1; 1400 1401 strack -= toc->header.starting_track; 1402 etrack -= toc->header.starting_track; 1403 if (strack < 0) { 1404 error = EINVAL; 1405 goto done; 1406 } 1407 1408 /* 1409 * The track ends one frame before the next begins. The last track 1410 * is taken care of by the leadoff track. 1411 */ 1412 endm = toc->entries[etrack].addr.msf.minute; 1413 ends = toc->entries[etrack].addr.msf.second; 1414 endf = toc->entries[etrack].addr.msf.frame; 1415 if (endf-- == 0) { 1416 endf = CD_FRAMES - 1; 1417 if (ends-- == 0) { 1418 ends = CD_SECS - 1; 1419 if (endm-- == 0) { 1420 error = EINVAL; 1421 goto done; 1422 } 1423 } 1424 } 1425 1426 error = cd_play_msf(sc, toc->entries[strack].addr.msf.minute, 1427 toc->entries[strack].addr.msf.second, 1428 toc->entries[strack].addr.msf.frame, 1429 endm, ends, endf); 1430 1431 done: 1432 dma_free(toc, sizeof(*toc)); 1433 return (error); 1434 } 1435 1436 /* 1437 * Get scsi driver to send a "play msf" command 1438 */ 1439 int 1440 cd_play_msf(struct cd_softc *sc, int startm, int starts, int startf, int endm, 1441 int ends, int endf) 1442 { 1443 struct scsi_play_msf *cmd; 1444 struct scsi_xfer *xs; 1445 int error; 1446 1447 xs = scsi_xs_get(sc->sc_link, 0); 1448 if (xs == NULL) 1449 return (ENOMEM); 1450 xs->cmdlen = sizeof(*cmd); 1451 xs->timeout = 20000; 1452 1453 cmd = (struct scsi_play_msf *)xs->cmd; 1454 cmd->opcode = PLAY_MSF; 1455 cmd->start_m = startm; 1456 cmd->start_s = starts; 1457 cmd->start_f = startf; 1458 cmd->end_m = endm; 1459 cmd->end_s = ends; 1460 cmd->end_f = endf; 1461 1462 error = scsi_xs_sync(xs); 1463 scsi_xs_put(xs); 1464 1465 return (error); 1466 } 1467 1468 /* 1469 * Get scsi driver to send a "start up" command 1470 */ 1471 int 1472 cd_pause(struct cd_softc *sc, int go) 1473 { 1474 struct scsi_pause *cmd; 1475 struct scsi_xfer *xs; 1476 int error; 1477 1478 xs = scsi_xs_get(sc->sc_link, 0); 1479 if (xs == NULL) 1480 return (ENOMEM); 1481 xs->cmdlen = sizeof(*cmd); 1482 xs->timeout = 2000; 1483 1484 cmd = (struct scsi_pause *)xs->cmd; 1485 cmd->opcode = PAUSE; 1486 cmd->resume = go; 1487 1488 error = scsi_xs_sync(xs); 1489 scsi_xs_put(xs); 1490 1491 return (error); 1492 } 1493 1494 /* 1495 * Get scsi driver to send a "RESET" command 1496 */ 1497 int 1498 cd_reset(struct cd_softc *sc) 1499 { 1500 struct scsi_xfer *xs; 1501 int error; 1502 1503 xs = scsi_xs_get(sc->sc_link, SCSI_RESET); 1504 if (xs == NULL) 1505 return (ENOMEM); 1506 1507 xs->timeout = 2000; 1508 1509 error = scsi_xs_sync(xs); 1510 scsi_xs_put(xs); 1511 1512 return (error); 1513 } 1514 1515 /* 1516 * Read subchannel 1517 */ 1518 int 1519 cd_read_subchannel(struct cd_softc *sc, int mode, int format, int track, 1520 struct cd_sub_channel_info *data, int len) 1521 { 1522 struct scsi_read_subchannel *cmd; 1523 struct scsi_xfer *xs; 1524 int error; 1525 1526 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN | SCSI_SILENT); 1527 if (xs == NULL) 1528 return (ENOMEM); 1529 xs->cmdlen = sizeof(*cmd); 1530 xs->data = (void *)data; 1531 xs->datalen = len; 1532 xs->timeout = 5000; 1533 1534 cmd = (struct scsi_read_subchannel *)xs->cmd; 1535 cmd->opcode = READ_SUBCHANNEL; 1536 if (mode == CD_MSF_FORMAT) 1537 cmd->byte2 |= CD_MSF; 1538 cmd->byte3 = SRS_SUBQ; 1539 cmd->subchan_format = format; 1540 cmd->track = track; 1541 _lto2b(len, cmd->data_len); 1542 1543 error = scsi_xs_sync(xs); 1544 scsi_xs_put(xs); 1545 1546 return (error); 1547 } 1548 1549 /* 1550 * Read table of contents 1551 */ 1552 int 1553 cd_read_toc(struct cd_softc *sc, int mode, int start, void *data, int len, 1554 int control) 1555 { 1556 struct scsi_read_toc *cmd; 1557 struct scsi_xfer *xs; 1558 int error; 1559 1560 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN | 1561 SCSI_IGNORE_ILLEGAL_REQUEST); 1562 if (xs == NULL) 1563 return (ENOMEM); 1564 xs->cmdlen = sizeof(*cmd); 1565 xs->data = data; 1566 xs->datalen = len; 1567 xs->timeout = 5000; 1568 1569 bzero(data, len); 1570 1571 cmd = (struct scsi_read_toc *)xs->cmd; 1572 cmd->opcode = READ_TOC; 1573 1574 if (mode == CD_MSF_FORMAT) 1575 cmd->byte2 |= CD_MSF; 1576 cmd->from_track = start; 1577 _lto2b(len, cmd->data_len); 1578 cmd->control = control; 1579 1580 error = scsi_xs_sync(xs); 1581 scsi_xs_put(xs); 1582 1583 return (error); 1584 } 1585 1586 int 1587 cd_load_toc(struct cd_softc *sc, struct cd_toc *toc, int fmt) 1588 { 1589 int n, len, error; 1590 1591 error = cd_read_toc(sc, 0, 0, toc, sizeof(toc->header), 0); 1592 1593 if (error == 0) { 1594 if (toc->header.ending_track < toc->header.starting_track) 1595 return (EIO); 1596 /* +2 to account for leading out track. */ 1597 n = toc->header.ending_track - toc->header.starting_track + 2; 1598 len = n * sizeof(struct cd_toc_entry) + sizeof(toc->header); 1599 error = cd_read_toc(sc, fmt, 0, toc, len, 0); 1600 } 1601 1602 return (error); 1603 } 1604 1605 1606 /* 1607 * Get the scsi driver to send a full inquiry to the device and use the 1608 * results to fill out the disk parameter structure. 1609 */ 1610 int 1611 cd_get_parms(struct cd_softc *sc, int flags) 1612 { 1613 /* Reasonable defaults for drives that don't support READ_CAPACITY */ 1614 sc->params.secsize = 2048; 1615 sc->params.disksize = 400000; 1616 1617 if (sc->sc_link->quirks & ADEV_NOCAPACITY) 1618 return (0); 1619 1620 sc->params.disksize = cd_size(sc->sc_link, flags, &sc->params.secsize); 1621 1622 if ((sc->params.secsize < 512) || 1623 ((sc->params.secsize & 511) != 0)) 1624 sc->params.secsize = 2048; /* some drives lie ! */ 1625 1626 if (sc->params.disksize < 100) 1627 sc->params.disksize = 400000; 1628 1629 return (0); 1630 } 1631 1632 daddr_t 1633 cdsize(dev_t dev) 1634 { 1635 1636 /* CD-ROMs are read-only. */ 1637 return -1; 1638 } 1639 1640 int 1641 cddump(dev_t dev, daddr_t blkno, caddr_t va, size_t size) 1642 { 1643 /* Not implemented. */ 1644 return ENXIO; 1645 } 1646 1647 #define dvd_copy_key(dst, src) memcpy((dst), (src), DVD_KEY_SIZE) 1648 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), DVD_CHALLENGE_SIZE) 1649 1650 #define DVD_AUTH_BUFSIZE 20 1651 1652 int 1653 dvd_auth(struct cd_softc *sc, union dvd_authinfo *a) 1654 { 1655 struct scsi_generic *cmd; 1656 struct scsi_xfer *xs; 1657 u_int8_t *buf; 1658 int error; 1659 1660 buf = dma_alloc(DVD_AUTH_BUFSIZE, PR_WAITOK | PR_ZERO); 1661 if (buf == NULL) 1662 return (ENOMEM); 1663 1664 xs = scsi_xs_get(sc->sc_link, 0); 1665 if (xs == NULL) { 1666 error = ENOMEM; 1667 goto done; 1668 } 1669 xs->cmdlen = sizeof(*cmd); 1670 xs->timeout = 30000; 1671 xs->data = buf; 1672 1673 cmd = xs->cmd; 1674 1675 switch (a->type) { 1676 case DVD_LU_SEND_AGID: 1677 cmd->opcode = GPCMD_REPORT_KEY; 1678 cmd->bytes[8] = 8; 1679 cmd->bytes[9] = 0 | (0 << 6); 1680 xs->datalen = 8; 1681 xs->flags |= SCSI_DATA_IN; 1682 1683 error = scsi_xs_sync(xs); 1684 scsi_xs_put(xs); 1685 1686 if (error == 0) 1687 a->lsa.agid = buf[7] >> 6; 1688 break; 1689 1690 case DVD_LU_SEND_CHALLENGE: 1691 cmd->opcode = GPCMD_REPORT_KEY; 1692 cmd->bytes[8] = 16; 1693 cmd->bytes[9] = 1 | (a->lsc.agid << 6); 1694 xs->datalen = 16; 1695 xs->flags |= SCSI_DATA_IN; 1696 1697 error = scsi_xs_sync(xs); 1698 scsi_xs_put(xs); 1699 if (error == 0) 1700 dvd_copy_challenge(a->lsc.chal, &buf[4]); 1701 break; 1702 1703 case DVD_LU_SEND_KEY1: 1704 cmd->opcode = GPCMD_REPORT_KEY; 1705 cmd->bytes[8] = 12; 1706 cmd->bytes[9] = 2 | (a->lsk.agid << 6); 1707 xs->datalen = 12; 1708 xs->flags |= SCSI_DATA_IN; 1709 1710 error = scsi_xs_sync(xs); 1711 scsi_xs_put(xs); 1712 1713 if (error == 0) 1714 dvd_copy_key(a->lsk.key, &buf[4]); 1715 break; 1716 1717 case DVD_LU_SEND_TITLE_KEY: 1718 cmd->opcode = GPCMD_REPORT_KEY; 1719 _lto4b(a->lstk.lba, &cmd->bytes[1]); 1720 cmd->bytes[8] = 12; 1721 cmd->bytes[9] = 4 | (a->lstk.agid << 6); 1722 xs->datalen = 12; 1723 xs->flags |= SCSI_DATA_IN; 1724 1725 error = scsi_xs_sync(xs); 1726 scsi_xs_put(xs); 1727 1728 if (error == 0) { 1729 a->lstk.cpm = (buf[4] >> 7) & 1; 1730 a->lstk.cp_sec = (buf[4] >> 6) & 1; 1731 a->lstk.cgms = (buf[4] >> 4) & 3; 1732 dvd_copy_key(a->lstk.title_key, &buf[5]); 1733 } 1734 break; 1735 1736 case DVD_LU_SEND_ASF: 1737 cmd->opcode = GPCMD_REPORT_KEY; 1738 cmd->bytes[8] = 8; 1739 cmd->bytes[9] = 5 | (a->lsasf.agid << 6); 1740 xs->datalen = 8; 1741 xs->flags |= SCSI_DATA_IN; 1742 1743 error = scsi_xs_sync(xs); 1744 scsi_xs_put(xs); 1745 1746 if (error == 0) 1747 a->lsasf.asf = buf[7] & 1; 1748 break; 1749 1750 case DVD_HOST_SEND_CHALLENGE: 1751 cmd->opcode = GPCMD_SEND_KEY; 1752 cmd->bytes[8] = 16; 1753 cmd->bytes[9] = 1 | (a->hsc.agid << 6); 1754 buf[1] = 14; 1755 dvd_copy_challenge(&buf[4], a->hsc.chal); 1756 xs->datalen = 16; 1757 xs->flags |= SCSI_DATA_OUT; 1758 1759 error = scsi_xs_sync(xs); 1760 scsi_xs_put(xs); 1761 1762 if (error == 0) 1763 a->type = DVD_LU_SEND_KEY1; 1764 break; 1765 1766 case DVD_HOST_SEND_KEY2: 1767 cmd->opcode = GPCMD_SEND_KEY; 1768 cmd->bytes[8] = 12; 1769 cmd->bytes[9] = 3 | (a->hsk.agid << 6); 1770 buf[1] = 10; 1771 dvd_copy_key(&buf[4], a->hsk.key); 1772 xs->datalen = 12; 1773 xs->flags |= SCSI_DATA_OUT; 1774 1775 error = scsi_xs_sync(xs); 1776 scsi_xs_put(xs); 1777 1778 if (error == 0) 1779 a->type = DVD_AUTH_ESTABLISHED; 1780 else 1781 a->type = DVD_AUTH_FAILURE; 1782 break; 1783 1784 case DVD_INVALIDATE_AGID: 1785 cmd->opcode = GPCMD_REPORT_KEY; 1786 cmd->bytes[9] = 0x3f | (a->lsa.agid << 6); 1787 xs->data = NULL; 1788 1789 error = scsi_xs_sync(xs); 1790 scsi_xs_put(xs); 1791 break; 1792 1793 case DVD_LU_SEND_RPC_STATE: 1794 cmd->opcode = GPCMD_REPORT_KEY; 1795 cmd->bytes[8] = 8; 1796 cmd->bytes[9] = 8 | (0 << 6); 1797 xs->datalen = 8; 1798 xs->flags |= SCSI_DATA_IN; 1799 1800 error = scsi_xs_sync(xs); 1801 scsi_xs_put(xs); 1802 1803 if (error == 0) { 1804 a->lrpcs.type = (buf[4] >> 6) & 3; 1805 a->lrpcs.vra = (buf[4] >> 3) & 7; 1806 a->lrpcs.ucca = (buf[4]) & 7; 1807 a->lrpcs.region_mask = buf[5]; 1808 a->lrpcs.rpc_scheme = buf[6]; 1809 } 1810 break; 1811 1812 case DVD_HOST_SEND_RPC_STATE: 1813 cmd->opcode = GPCMD_SEND_KEY; 1814 cmd->bytes[8] = 8; 1815 cmd->bytes[9] = 6 | (0 << 6); 1816 buf[1] = 6; 1817 buf[4] = a->hrpcs.pdrc; 1818 xs->datalen = 8; 1819 xs->flags |= SCSI_DATA_OUT; 1820 1821 error = scsi_xs_sync(xs); 1822 scsi_xs_put(xs); 1823 break; 1824 1825 default: 1826 scsi_xs_put(xs); 1827 error = ENOTTY; 1828 break; 1829 } 1830 done: 1831 dma_free(buf, DVD_AUTH_BUFSIZE); 1832 return (error); 1833 } 1834 1835 #define DVD_READ_PHYSICAL_BUFSIZE (4 + 4 * 20) 1836 int 1837 dvd_read_physical(struct cd_softc *sc, union dvd_struct *s) 1838 { 1839 struct scsi_generic *cmd; 1840 struct dvd_layer *layer; 1841 struct scsi_xfer *xs; 1842 u_int8_t *buf, *bufp; 1843 int error, i; 1844 1845 buf = dma_alloc(DVD_READ_PHYSICAL_BUFSIZE, PR_WAITOK | PR_ZERO); 1846 if (buf == NULL) 1847 return (ENOMEM); 1848 1849 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); 1850 if (xs == NULL) { 1851 error = ENOMEM; 1852 goto done; 1853 } 1854 xs->cmdlen = sizeof(*cmd); 1855 xs->data = buf; 1856 xs->datalen = DVD_READ_PHYSICAL_BUFSIZE; 1857 xs->timeout = 30000; 1858 1859 cmd = xs->cmd; 1860 cmd->opcode = GPCMD_READ_DVD_STRUCTURE; 1861 cmd->bytes[6] = s->type; 1862 _lto2b(xs->datalen, &cmd->bytes[7]); 1863 1864 cmd->bytes[5] = s->physical.layer_num; 1865 1866 error = scsi_xs_sync(xs); 1867 scsi_xs_put(xs); 1868 1869 if (error == 0) { 1870 for (i = 0, bufp = &buf[4], layer = &s->physical.layer[0]; 1871 i < 4; i++, bufp += 20, layer++) { 1872 bzero(layer, sizeof(*layer)); 1873 layer->book_version = bufp[0] & 0xf; 1874 layer->book_type = bufp[0] >> 4; 1875 layer->min_rate = bufp[1] & 0xf; 1876 layer->disc_size = bufp[1] >> 4; 1877 layer->layer_type = bufp[2] & 0xf; 1878 layer->track_path = (bufp[2] >> 4) & 1; 1879 layer->nlayers = (bufp[2] >> 5) & 3; 1880 layer->track_density = bufp[3] & 0xf; 1881 layer->linear_density = bufp[3] >> 4; 1882 layer->start_sector = _4btol(&bufp[4]); 1883 layer->end_sector = _4btol(&bufp[8]); 1884 layer->end_sector_l0 = _4btol(&bufp[12]); 1885 layer->bca = bufp[16] >> 7; 1886 } 1887 } 1888 done: 1889 dma_free(buf, DVD_READ_PHYSICAL_BUFSIZE); 1890 return (error); 1891 } 1892 1893 #define DVD_READ_COPYRIGHT_BUFSIZE 8 1894 int 1895 dvd_read_copyright(struct cd_softc *sc, union dvd_struct *s) 1896 { 1897 struct scsi_generic *cmd; 1898 struct scsi_xfer *xs; 1899 u_int8_t *buf; 1900 int error; 1901 1902 buf = dma_alloc(DVD_READ_COPYRIGHT_BUFSIZE, PR_WAITOK | PR_ZERO); 1903 if (buf == NULL) 1904 return (ENOMEM); 1905 1906 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); 1907 if (xs == NULL) { 1908 error = ENOMEM; 1909 goto done; 1910 } 1911 xs->cmdlen = sizeof(*cmd); 1912 xs->data = buf; 1913 xs->datalen = DVD_READ_COPYRIGHT_BUFSIZE; 1914 xs->timeout = 30000; 1915 1916 cmd = xs->cmd; 1917 cmd->opcode = GPCMD_READ_DVD_STRUCTURE; 1918 cmd->bytes[6] = s->type; 1919 _lto2b(xs->datalen, &cmd->bytes[7]); 1920 1921 cmd->bytes[5] = s->copyright.layer_num; 1922 1923 error = scsi_xs_sync(xs); 1924 scsi_xs_put(xs); 1925 1926 if (error == 0) { 1927 s->copyright.cpst = buf[4]; 1928 s->copyright.rmi = buf[5]; 1929 } 1930 done: 1931 dma_free(buf, DVD_READ_COPYRIGHT_BUFSIZE); 1932 return (error); 1933 } 1934 1935 int 1936 dvd_read_disckey(struct cd_softc *sc, union dvd_struct *s) 1937 { 1938 struct scsi_read_dvd_structure_data *buf; 1939 struct scsi_read_dvd_structure *cmd; 1940 struct scsi_xfer *xs; 1941 int error; 1942 1943 buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO); 1944 if (buf == NULL) 1945 return (ENOMEM); 1946 1947 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); 1948 if (xs == NULL) { 1949 error = ENOMEM; 1950 goto done; 1951 } 1952 xs->cmdlen = sizeof(*cmd); 1953 xs->data = (void *)buf; 1954 xs->datalen = sizeof(*buf); 1955 xs->timeout = 30000; 1956 1957 cmd = (struct scsi_read_dvd_structure *)xs->cmd; 1958 cmd->opcode = GPCMD_READ_DVD_STRUCTURE; 1959 cmd->format = s->type; 1960 cmd->agid = s->disckey.agid << 6; 1961 _lto2b(xs->datalen, cmd->length); 1962 1963 error = scsi_xs_sync(xs); 1964 scsi_xs_put(xs); 1965 1966 if (error == 0) 1967 memcpy(s->disckey.value, buf->data, sizeof(s->disckey.value)); 1968 done: 1969 dma_free(buf, sizeof(*buf)); 1970 return (error); 1971 } 1972 1973 #define DVD_READ_BCA_BUFLEN (4 + 188) 1974 1975 int 1976 dvd_read_bca(struct cd_softc *sc, union dvd_struct *s) 1977 { 1978 struct scsi_generic *cmd; 1979 struct scsi_xfer *xs; 1980 u_int8_t *buf; 1981 int error; 1982 1983 buf = dma_alloc(DVD_READ_BCA_BUFLEN, PR_WAITOK | PR_ZERO); 1984 if (buf == NULL) 1985 return (ENOMEM); 1986 1987 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); 1988 if (xs == NULL) { 1989 error = ENOMEM; 1990 goto done; 1991 } 1992 xs->cmdlen = sizeof(*cmd); 1993 xs->data = buf; 1994 xs->datalen = DVD_READ_BCA_BUFLEN; 1995 xs->timeout = 30000; 1996 1997 cmd = xs->cmd; 1998 cmd->opcode = GPCMD_READ_DVD_STRUCTURE; 1999 cmd->bytes[6] = s->type; 2000 _lto2b(xs->datalen, &cmd->bytes[7]); 2001 2002 error = scsi_xs_sync(xs); 2003 scsi_xs_put(xs); 2004 2005 if (error == 0) { 2006 s->bca.len = _2btol(&buf[0]); 2007 if (s->bca.len < 12 || s->bca.len > 188) 2008 return (EIO); 2009 memcpy(s->bca.value, &buf[4], s->bca.len); 2010 } 2011 done: 2012 dma_free(buf, DVD_READ_BCA_BUFLEN); 2013 return (error); 2014 } 2015 2016 int 2017 dvd_read_manufact(struct cd_softc *sc, union dvd_struct *s) 2018 { 2019 struct scsi_read_dvd_structure_data *buf; 2020 struct scsi_read_dvd_structure *cmd; 2021 struct scsi_xfer *xs; 2022 int error; 2023 2024 buf = dma_alloc(sizeof(*buf), PR_WAITOK | PR_ZERO); 2025 if (buf == NULL) 2026 return (ENOMEM); 2027 2028 xs = scsi_xs_get(sc->sc_link, SCSI_DATA_IN); 2029 if (xs == NULL) { 2030 error = ENOMEM; 2031 goto done; 2032 } 2033 xs->cmdlen = sizeof(*cmd); 2034 xs->data = (void *)buf; 2035 xs->datalen = sizeof(*buf); 2036 xs->timeout = 30000; 2037 2038 cmd = (struct scsi_read_dvd_structure *)xs->cmd; 2039 cmd->opcode = GPCMD_READ_DVD_STRUCTURE; 2040 cmd->format = s->type; 2041 _lto2b(xs->datalen, cmd->length); 2042 2043 error = scsi_xs_sync(xs); 2044 scsi_xs_put(xs); 2045 2046 if (error == 0) { 2047 s->manufact.len = _2btol(buf->len); 2048 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2049 memcpy(s->manufact.value, buf->data, s->manufact.len); 2050 else 2051 error = EIO; 2052 } 2053 done: 2054 dma_free(buf, sizeof(*buf)); 2055 return (error); 2056 } 2057 2058 int 2059 dvd_read_struct(struct cd_softc *sc, union dvd_struct *s) 2060 { 2061 2062 switch (s->type) { 2063 case DVD_STRUCT_PHYSICAL: 2064 return (dvd_read_physical(sc, s)); 2065 case DVD_STRUCT_COPYRIGHT: 2066 return (dvd_read_copyright(sc, s)); 2067 case DVD_STRUCT_DISCKEY: 2068 return (dvd_read_disckey(sc, s)); 2069 case DVD_STRUCT_BCA: 2070 return (dvd_read_bca(sc, s)); 2071 case DVD_STRUCT_MANUFACT: 2072 return (dvd_read_manufact(sc, s)); 2073 default: 2074 return (EINVAL); 2075 } 2076 } 2077 2078 int 2079 cd_interpret_sense(struct scsi_xfer *xs) 2080 { 2081 struct scsi_sense_data *sense = &xs->sense; 2082 struct scsi_link *link = xs->sc_link; 2083 u_int8_t skey = sense->flags & SSD_KEY; 2084 u_int8_t serr = sense->error_code & SSD_ERRCODE; 2085 2086 if (((link->flags & SDEV_OPEN) == 0) || 2087 (serr != SSD_ERRCODE_CURRENT && serr != SSD_ERRCODE_DEFERRED)) 2088 return (scsi_interpret_sense(xs)); 2089 2090 /* 2091 * We do custom processing in cd for the unit becoming ready 2092 * case. We do not allow xs->retries to be decremented on the 2093 * "Unit Becoming Ready" case. This is because CD drives 2094 * report "Unit Becoming Ready" when loading media and can 2095 * take a long time. Rather than having a massive timeout for 2096 * all operations (which would cause other problems), we allow 2097 * operations to wait (but be interruptable with Ctrl-C) 2098 * forever as long as the drive is reporting that it is 2099 * becoming ready. All other cases of not being ready are 2100 * handled by the default handler. 2101 */ 2102 switch(skey) { 2103 case SKEY_NOT_READY: 2104 if ((xs->flags & SCSI_IGNORE_NOT_READY) != 0) 2105 return (0); 2106 if (ASC_ASCQ(sense) == SENSE_NOT_READY_BECOMING_READY) { 2107 SC_DEBUG(link, SDEV_DB1, ("not ready: busy (%#x)\n", 2108 sense->add_sense_code_qual)); 2109 /* don't count this as a retry */ 2110 xs->retries++; 2111 return (scsi_delay(xs, 1)); 2112 } 2113 break; 2114 /* XXX more to come here for a few other cases */ 2115 default: 2116 break; 2117 } 2118 return (scsi_interpret_sense(xs)); 2119 } 2120 2121 /* 2122 * Find out from the device what its capacity is. 2123 */ 2124 u_int64_t 2125 cd_size(struct scsi_link *link, int flags, u_int32_t *blksize) 2126 { 2127 struct scsi_read_cap_data_16 *rdcap16; 2128 struct scsi_read_capacity_16 *cmd; 2129 struct scsi_read_cap_data *rdcap; 2130 struct scsi_read_capacity *cmd10; 2131 struct scsi_xfer *xs; 2132 u_int64_t max_addr; 2133 int error; 2134 2135 if (blksize != NULL) 2136 *blksize = 0; 2137 2138 CLR(flags, SCSI_IGNORE_ILLEGAL_REQUEST); 2139 2140 /* 2141 * Start with a READ CAPACITY(10). 2142 */ 2143 rdcap = dma_alloc(sizeof(*rdcap), ((flags & SCSI_NOSLEEP) ? 2144 PR_NOWAIT : PR_WAITOK) | PR_ZERO); 2145 if (rdcap == NULL) 2146 return (0); 2147 2148 xs = scsi_xs_get(link, flags | SCSI_DATA_IN | SCSI_SILENT); 2149 if (xs == NULL) { 2150 dma_free(rdcap, sizeof(*rdcap)); 2151 return (0); 2152 } 2153 xs->cmdlen = sizeof(*cmd10); 2154 xs->data = (void *)rdcap; 2155 xs->datalen = sizeof(*rdcap); 2156 xs->timeout = 20000; 2157 2158 cmd10 = (struct scsi_read_capacity *)xs->cmd; 2159 cmd10->opcode = READ_CAPACITY; 2160 2161 error = scsi_xs_sync(xs); 2162 scsi_xs_put(xs); 2163 2164 if (error) { 2165 SC_DEBUG(link, SDEV_DB1, ("READ CAPACITY error (%#x)\n", 2166 error)); 2167 dma_free(rdcap, sizeof(*rdcap)); 2168 return (0); 2169 } 2170 2171 max_addr = _4btol(rdcap->addr); 2172 if (blksize != NULL) 2173 *blksize = _4btol(rdcap->length); 2174 dma_free(rdcap, sizeof(*rdcap)); 2175 2176 if (SCSISPC(link->inqdata.version) < 3 && max_addr != 0xffffffff) 2177 goto exit; 2178 2179 /* 2180 * SCSI-3 devices, or devices reporting more than 2^32-1 sectors can 2181 * try READ CAPACITY(16). 2182 */ 2183 rdcap16 = dma_alloc(sizeof(*rdcap16), ((flags & SCSI_NOSLEEP) ? 2184 PR_NOWAIT : PR_WAITOK) | PR_ZERO); 2185 if (rdcap16 == NULL) 2186 goto exit; 2187 2188 xs = scsi_xs_get(link, flags | SCSI_DATA_IN | SCSI_SILENT); 2189 if (xs == NULL) { 2190 dma_free(rdcap16, sizeof(*rdcap16)); 2191 goto exit; 2192 } 2193 xs->cmdlen = sizeof(*cmd); 2194 xs->data = (void *)rdcap16; 2195 xs->datalen = sizeof(*rdcap16); 2196 xs->timeout = 20000; 2197 2198 cmd = (struct scsi_read_capacity_16 *)xs->cmd; 2199 cmd->opcode = READ_CAPACITY_16; 2200 cmd->byte2 = SRC16_SERVICE_ACTION; 2201 _lto4b(sizeof(*rdcap16), cmd->length); 2202 2203 error = scsi_xs_sync(xs); 2204 scsi_xs_put(xs); 2205 if (error) { 2206 SC_DEBUG(link, SDEV_DB1, ("READ CAPACITY 16 error (%#x)\n", 2207 error)); 2208 dma_free(rdcap16, sizeof(*rdcap16)); 2209 goto exit; 2210 } 2211 2212 max_addr = _8btol(rdcap16->addr); 2213 if (blksize != NULL) 2214 *blksize = _4btol(rdcap16->length); 2215 /* XXX The other READ CAPACITY(16) info could be stored away. */ 2216 dma_free(rdcap16, sizeof(*rdcap16)); 2217 2218 return (max_addr + 1); 2219 2220 exit: 2221 /* Return READ CAPACITY 10 values. */ 2222 if (max_addr != 0xffffffff) 2223 return (max_addr + 1); 2224 else if (blksize != NULL) 2225 *blksize = 0; 2226 return (0); 2227 } 2228 2229 #if defined(__macppc__) 2230 int 2231 cd_eject(void) 2232 { 2233 struct cd_softc *sc; 2234 int error = 0; 2235 2236 if (cd_cd.cd_ndevs == 0 || (sc = cd_cd.cd_devs[0]) == NULL) 2237 return (ENXIO); 2238 2239 if ((error = disk_lock(&sc->sc_dk)) != 0) 2240 return (error); 2241 2242 if (sc->sc_dk.dk_openmask == 0) { 2243 sc->sc_link->flags |= SDEV_EJECTING; 2244 2245 scsi_prevent(sc->sc_link, PR_ALLOW, 2246 SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | 2247 SCSI_SILENT | SCSI_IGNORE_MEDIA_CHANGE); 2248 sc->sc_link->flags &= ~SDEV_MEDIA_LOADED; 2249 2250 scsi_start(sc->sc_link, SSS_STOP|SSS_LOEJ, 0); 2251 2252 sc->sc_link->flags &= ~SDEV_EJECTING; 2253 } 2254 disk_unlock(&sc->sc_dk); 2255 2256 return (error); 2257 } 2258 #endif 2259