1 /* $NetBSD: cd.c,v 1.274 2008/04/28 20:23:57 martin 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 1.274 2008/04/28 20:23:57 martin Exp $"); 54 55 #include "rnd.h" 56 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/kernel.h> 60 #include <sys/file.h> 61 #include <sys/stat.h> 62 #include <sys/ioctl.h> 63 #include <sys/buf.h> 64 #include <sys/bufq.h> 65 #include <sys/uio.h> 66 #include <sys/malloc.h> 67 #include <sys/errno.h> 68 #include <sys/device.h> 69 #include <sys/disklabel.h> 70 #include <sys/disk.h> 71 #include <sys/cdio.h> 72 #include <sys/dvdio.h> 73 #include <sys/scsiio.h> 74 #include <sys/proc.h> 75 #include <sys/conf.h> 76 #include <sys/vnode.h> 77 #if NRND > 0 78 #include <sys/rnd.h> 79 #endif 80 81 #include <dev/scsipi/scsi_spc.h> 82 #include <dev/scsipi/scsipi_all.h> 83 #include <dev/scsipi/scsipi_cd.h> 84 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 85 #include <dev/scsipi/scsi_all.h> 86 /* from there */ 87 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 88 #include <dev/scsipi/scsipiconf.h> 89 #include <dev/scsipi/scsipi_base.h> 90 #include <dev/scsipi/cdvar.h> 91 92 #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 == 0x4 && 1032 sense->ascq == 0x01) { 1033 /* 1034 * Sleep for 5 seconds to wait for the drive to spin up 1035 */ 1036 1037 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1038 "spinup\n")); 1039 if (!callout_pending(&periph->periph_callout)) 1040 scsipi_periph_freeze(periph, 1); 1041 callout_reset(&periph->periph_callout, 1042 5 * hz, scsipi_periph_timed_thaw, periph); 1043 retval = ERESTART; 1044 } 1045 1046 /* 1047 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1048 * progress" (Sense code 0x04, 0x08), then wait for the specified 1049 * time 1050 */ 1051 1052 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1053 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1054 /* 1055 * long write in process; we could listen to the delay; but it 1056 * looks like the skey data is not always returned. 1057 */ 1058 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1059 1060 /* wait for a second and get going again */ 1061 if (!callout_pending(&periph->periph_callout)) 1062 scsipi_periph_freeze(periph, 1); 1063 callout_reset(&periph->periph_callout, 1064 1 * hz, scsipi_periph_timed_thaw, periph); 1065 retval = ERESTART; 1066 } 1067 1068 return (retval); 1069 } 1070 1071 static void 1072 cdminphys(struct buf *bp) 1073 { 1074 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1075 long xmax; 1076 1077 /* 1078 * If the device is ancient, we want to make sure that 1079 * the transfer fits into a 6-byte cdb. 1080 * 1081 * XXX Note that the SCSI-I spec says that 256-block transfers 1082 * are allowed in a 6-byte read/write, and are specified 1083 * by settng the "length" to 0. However, we're conservative 1084 * here, allowing only 255-block transfers in case an 1085 * ancient device gets confused by length == 0. A length of 0 1086 * in a 10-byte read/write actually means 0 blocks. 1087 */ 1088 if (cd->flags & CDF_ANCIENT) { 1089 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1090 1091 if (bp->b_bcount > xmax) 1092 bp->b_bcount = xmax; 1093 } 1094 1095 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1096 } 1097 1098 static int 1099 cdread(dev_t dev, struct uio *uio, int ioflag) 1100 { 1101 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1102 } 1103 1104 static int 1105 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1106 { 1107 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1108 } 1109 1110 #if 0 /* XXX Not used */ 1111 /* 1112 * conversion between minute-seconde-frame and logical block address 1113 * addresses format 1114 */ 1115 static void 1116 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1117 { 1118 u_long tmp; 1119 1120 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1121 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1122 *m = tmp / (CD_SECS * CD_FRAMES); 1123 tmp %= (CD_SECS * CD_FRAMES); 1124 *s = tmp / CD_FRAMES; 1125 *f = tmp % CD_FRAMES; 1126 } 1127 #endif /* XXX Not used */ 1128 1129 /* 1130 * Convert an hour:minute:second:frame address to a logical block adres. In 1131 * theory the number of secs/minute and number of frames/second could be 1132 * configured differently in the device as could the block offset but in 1133 * practice these values are rock solid and most drives don't even allow 1134 * theses values to be changed. 1135 */ 1136 static uint32_t 1137 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1138 { 1139 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1140 - CD_BLOCK_OFFSET; 1141 } 1142 1143 static int 1144 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1145 { 1146 struct scsipi_periph *periph = cd->sc_periph; 1147 int error; 1148 struct cd_toc_entry *cte; 1149 1150 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1151 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1152 XS_CTL_DATA_ONSTACK, 1153 0x40 /* control word for "get MS info" */); 1154 1155 if (error) 1156 return (error); 1157 1158 cte = &toc->entries[0]; 1159 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1160 cte->addr.lba = le32toh(cte->addr.lba); 1161 toc->header.len = le16toh(toc->header.len); 1162 } else { 1163 cte->addr.lba = be32toh(cte->addr.lba); 1164 toc->header.len = be16toh(toc->header.len); 1165 } 1166 1167 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1168 cte->addr.lba : 0; 1169 return 0; 1170 } 1171 1172 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1173 static int 1174 cdcachesync(struct scsipi_periph *periph, int flags) { 1175 struct scsi_synchronize_cache_10 cmd; 1176 1177 /* 1178 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1179 * and length 0 as it can't synchronise parts of the disc per spec. 1180 * We ignore ILLEGAL REQUEST in the event that the command is not 1181 * supported by the device, and poll for completion so that we know 1182 * that the cache has actually been flushed. 1183 * 1184 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1185 */ 1186 1187 memset(&cmd, 0, sizeof(cmd)); 1188 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1189 1190 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1191 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1192 } 1193 1194 static int 1195 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1196 struct cd_formatted_toc *toc) 1197 { 1198 /* READ TOC format 0 command, entries */ 1199 struct ioc_toc_header *th; 1200 struct cd_toc_entry *cte; 1201 u_int len = te->data_len; 1202 int ntracks; 1203 int error; 1204 1205 th = &toc->header; 1206 1207 if (len > sizeof(toc->entries) || 1208 len < sizeof(toc->entries[0])) 1209 return (EINVAL); 1210 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1211 te->starting_track, toc, 1212 sizeof(toc->header) + len, 1213 XS_CTL_DATA_ONSTACK, 0); 1214 if (error) 1215 return (error); 1216 if (te->address_format == CD_LBA_FORMAT) 1217 for (ntracks = 1218 th->ending_track - th->starting_track + 1; 1219 ntracks >= 0; ntracks--) { 1220 cte = &toc->entries[ntracks]; 1221 cte->addr_type = CD_LBA_FORMAT; 1222 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1223 cte->addr.lba = le32toh(cte->addr.lba); 1224 else 1225 cte->addr.lba = be32toh(cte->addr.lba); 1226 } 1227 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1228 th->len = le16toh(th->len); 1229 else 1230 th->len = be16toh(th->len); 1231 return 0; 1232 } 1233 1234 /* 1235 * Perform special action on behalf of the user. 1236 * Knows about the internals of this device 1237 */ 1238 static int 1239 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1240 { 1241 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1242 struct scsipi_periph *periph = cd->sc_periph; 1243 struct cd_formatted_toc toc; 1244 int part = CDPART(dev); 1245 int error = 0; 1246 int s; 1247 #ifdef __HAVE_OLD_DISKLABEL 1248 struct disklabel *newlabel = NULL; 1249 #endif 1250 1251 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1252 1253 /* 1254 * If the device is not valid, some IOCTLs can still be 1255 * handled on the raw partition. Check this here. 1256 */ 1257 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1258 switch (cmd) { 1259 case DIOCWLABEL: 1260 case DIOCLOCK: 1261 case ODIOCEJECT: 1262 case DIOCEJECT: 1263 case DIOCCACHESYNC: 1264 case SCIOCIDENTIFY: 1265 case OSCIOCIDENTIFY: 1266 case SCIOCCOMMAND: 1267 case SCIOCDEBUG: 1268 case CDIOCGETVOL: 1269 case CDIOCSETVOL: 1270 case CDIOCSETMONO: 1271 case CDIOCSETSTEREO: 1272 case CDIOCSETMUTE: 1273 case CDIOCSETLEFT: 1274 case CDIOCSETRIGHT: 1275 case CDIOCCLOSE: 1276 case CDIOCEJECT: 1277 case CDIOCALLOW: 1278 case CDIOCPREVENT: 1279 case CDIOCSETDEBUG: 1280 case CDIOCCLRDEBUG: 1281 case CDIOCRESET: 1282 case SCIOCRESET: 1283 case CDIOCLOADUNLOAD: 1284 case DVD_AUTH: 1285 case DVD_READ_STRUCT: 1286 case DIOCGSTRATEGY: 1287 case DIOCSSTRATEGY: 1288 if (part == RAW_PART) 1289 break; 1290 /* FALLTHROUGH */ 1291 default: 1292 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1293 return (ENODEV); 1294 else 1295 return (EIO); 1296 } 1297 } 1298 1299 switch (cmd) { 1300 case DIOCGDINFO: 1301 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1302 return (0); 1303 #ifdef __HAVE_OLD_DISKLABEL 1304 case ODIOCGDINFO: 1305 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1306 if (newlabel == NULL) 1307 return (EIO); 1308 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1309 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1310 error = ENOTTY; 1311 else 1312 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1313 free(newlabel, M_TEMP); 1314 return error; 1315 #endif 1316 1317 case DIOCGPART: 1318 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1319 ((struct partinfo *)addr)->part = 1320 &cd->sc_dk.dk_label->d_partitions[part]; 1321 return (0); 1322 1323 case DIOCWDINFO: 1324 case DIOCSDINFO: 1325 #ifdef __HAVE_OLD_DISKLABEL 1326 case ODIOCWDINFO: 1327 case ODIOCSDINFO: 1328 #endif 1329 { 1330 struct disklabel *lp; 1331 1332 if ((flag & FWRITE) == 0) 1333 return (EBADF); 1334 1335 #ifdef __HAVE_OLD_DISKLABEL 1336 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1337 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1338 if (newlabel == NULL) 1339 return (EIO); 1340 memset(newlabel, 0, sizeof newlabel); 1341 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1342 lp = newlabel; 1343 } else 1344 #endif 1345 lp = addr; 1346 1347 mutex_enter(&cd->sc_lock); 1348 cd->flags |= CDF_LABELLING; 1349 1350 error = setdisklabel(cd->sc_dk.dk_label, 1351 lp, /*cd->sc_dk.dk_openmask : */0, 1352 cd->sc_dk.dk_cpulabel); 1353 if (error == 0) { 1354 /* XXX ? */ 1355 } 1356 1357 cd->flags &= ~CDF_LABELLING; 1358 mutex_exit(&cd->sc_lock); 1359 #ifdef __HAVE_OLD_DISKLABEL 1360 if (newlabel != NULL) 1361 free(newlabel, M_TEMP); 1362 #endif 1363 return (error); 1364 } 1365 1366 case DIOCWLABEL: 1367 return (EBADF); 1368 1369 case DIOCGDEFLABEL: 1370 cdgetdefaultlabel(cd, &toc, addr); 1371 return (0); 1372 1373 #ifdef __HAVE_OLD_DISKLABEL 1374 case ODIOCGDEFLABEL: 1375 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1376 if (newlabel == NULL) 1377 return (EIO); 1378 cdgetdefaultlabel(cd, &toc, newlabel); 1379 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1380 error = ENOTTY; 1381 else 1382 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1383 free(newlabel, M_TEMP); 1384 return error; 1385 #endif 1386 1387 case CDIOCPLAYTRACKS: { 1388 /* PLAY_MSF command */ 1389 struct ioc_play_track *args = addr; 1390 1391 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1392 return (error); 1393 return (cd_play_tracks(cd, &toc, args->start_track, 1394 args->start_index, args->end_track, args->end_index)); 1395 } 1396 case CDIOCPLAYMSF: { 1397 /* PLAY_MSF command */ 1398 struct ioc_play_msf *args = addr; 1399 1400 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1401 return (error); 1402 return (cd_play_msf(cd, args->start_m, args->start_s, 1403 args->start_f, args->end_m, args->end_s, args->end_f)); 1404 } 1405 case CDIOCPLAYBLOCKS: { 1406 /* PLAY command */ 1407 struct ioc_play_blocks *args = addr; 1408 1409 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1410 return (error); 1411 return (cd_play(cd, args->blk, args->len)); 1412 } 1413 case CDIOCREADSUBCHANNEL: { 1414 /* READ_SUBCHANNEL command */ 1415 struct ioc_read_subchannel *args = addr; 1416 struct cd_sub_channel_info data; 1417 u_int len = args->data_len; 1418 1419 if (len > sizeof(data) || 1420 len < sizeof(struct cd_sub_channel_header)) 1421 return (EINVAL); 1422 error = cd_read_subchannel(cd, args->address_format, 1423 args->data_format, args->track, &data, len, 1424 XS_CTL_DATA_ONSTACK); 1425 if (error) 1426 return (error); 1427 len = min(len, _2btol(data.header.data_len) + 1428 sizeof(struct cd_sub_channel_header)); 1429 return (copyout(&data, args->data, len)); 1430 } 1431 case CDIOCREADSUBCHANNEL_BUF: { 1432 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1433 struct ioc_read_subchannel_buf *args = addr; 1434 if (args->req.data_len != sizeof args->info) 1435 return EINVAL; 1436 return cd_read_subchannel(cd, args->req.address_format, 1437 args->req.data_format, args->req.track, &args->info, 1438 sizeof args->info, XS_CTL_DATA_ONSTACK); 1439 } 1440 case CDIOREADTOCHEADER: { 1441 /* READ TOC format 0 command, static header */ 1442 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1443 &toc, sizeof(toc.header), 1444 XS_CTL_DATA_ONSTACK, 0)) != 0) 1445 return (error); 1446 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1447 toc.header.len = le16toh(toc.header.len); 1448 else 1449 toc.header.len = be16toh(toc.header.len); 1450 memcpy(addr, &toc.header, sizeof(toc.header)); 1451 return (0); 1452 } 1453 case CDIOREADTOCENTRYS: { 1454 struct ioc_read_toc_entry *te = addr; 1455 error = do_cdioreadentries(cd, te, &toc); 1456 if (error != 0) 1457 return error; 1458 return copyout(toc.entries, te->data, min(te->data_len, 1459 toc.header.len - (sizeof(toc.header.starting_track) 1460 + sizeof(toc.header.ending_track)))); 1461 } 1462 case CDIOREADTOCENTRIES_BUF: { 1463 struct ioc_read_toc_entry_buf *te = addr; 1464 error = do_cdioreadentries(cd, &te->req, &toc); 1465 if (error != 0) 1466 return error; 1467 memcpy(te->entry, toc.entries, min(te->req.data_len, 1468 toc.header.len - (sizeof(toc.header.starting_track) 1469 + sizeof(toc.header.ending_track)))); 1470 return 0; 1471 } 1472 case CDIOREADMSADDR: { 1473 /* READ TOC format 0 command, length of first track only */ 1474 int sessno = *(int*)addr; 1475 1476 if (sessno != 0) 1477 return (EINVAL); 1478 1479 return (cdreadmsaddr(cd, &toc, addr)); 1480 } 1481 case CDIOCSETPATCH: { 1482 struct ioc_patch *arg = addr; 1483 1484 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1485 arg->patch[2], arg->patch[3], 0)); 1486 } 1487 case CDIOCGETVOL: { 1488 /* MODE SENSE command (AUDIO page) */ 1489 struct ioc_vol *arg = addr; 1490 1491 return (cd_getvol(cd, arg, 0)); 1492 } 1493 case CDIOCSETVOL: { 1494 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1495 struct ioc_vol *arg = addr; 1496 1497 return (cd_setvol(cd, arg, 0)); 1498 } 1499 case CDIOCSETMONO: 1500 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1501 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1502 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1503 1504 case CDIOCSETSTEREO: 1505 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1506 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1507 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1508 1509 case CDIOCSETMUTE: 1510 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1511 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1512 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1513 1514 case CDIOCSETLEFT: 1515 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1516 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1517 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1518 1519 case CDIOCSETRIGHT: 1520 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1521 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1522 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1523 1524 case CDIOCRESUME: 1525 /* PAUSE command */ 1526 return (cd_pause(cd, PA_RESUME)); 1527 case CDIOCPAUSE: 1528 /* PAUSE command */ 1529 return (cd_pause(cd, PA_PAUSE)); 1530 case CDIOCSTART: 1531 return (scsipi_start(periph, SSS_START, 0)); 1532 case CDIOCSTOP: 1533 return (scsipi_start(periph, SSS_STOP, 0)); 1534 case CDIOCCLOSE: 1535 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1536 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1537 case DIOCEJECT: 1538 if (*(int *)addr == 0) { 1539 /* 1540 * Don't force eject: check that we are the only 1541 * partition open. If so, unlock it. 1542 */ 1543 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1544 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1545 cd->sc_dk.dk_openmask) { 1546 error = scsipi_prevent(periph, SPAMR_ALLOW, 1547 XS_CTL_IGNORE_NOT_READY); 1548 if (error) 1549 return (error); 1550 } else { 1551 return (EBUSY); 1552 } 1553 } 1554 /* FALLTHROUGH */ 1555 case CDIOCEJECT: /* FALLTHROUGH */ 1556 case ODIOCEJECT: 1557 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1558 case DIOCCACHESYNC: 1559 /* SYNCHRONISE CACHES command */ 1560 return (cdcachesync(periph, 0)); 1561 case CDIOCALLOW: 1562 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1563 case CDIOCPREVENT: 1564 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1565 case DIOCLOCK: 1566 return (scsipi_prevent(periph, 1567 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1568 case CDIOCSETDEBUG: 1569 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1570 return (0); 1571 case CDIOCCLRDEBUG: 1572 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1573 return (0); 1574 case CDIOCRESET: 1575 case SCIOCRESET: 1576 return (cd_reset(cd)); 1577 case CDIOCLOADUNLOAD: 1578 /* LOAD_UNLOAD command */ 1579 return (cd_load_unload(cd, addr)); 1580 case DVD_AUTH: 1581 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1582 return (dvd_auth(cd, addr)); 1583 case DVD_READ_STRUCT: 1584 /* GPCMD_READ_DVD_STRUCTURE command */ 1585 return (dvd_read_struct(cd, addr)); 1586 case MMCGETDISCINFO: 1587 /* 1588 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1589 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1590 */ 1591 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1592 case MMCGETTRACKINFO: 1593 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1594 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1595 case DIOCGSTRATEGY: 1596 { 1597 struct disk_strategy *dks = addr; 1598 1599 s = splbio(); 1600 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1601 sizeof(dks->dks_name)); 1602 splx(s); 1603 dks->dks_paramlen = 0; 1604 1605 return 0; 1606 } 1607 case DIOCSSTRATEGY: 1608 { 1609 struct disk_strategy *dks = addr; 1610 struct bufq_state *new; 1611 struct bufq_state *old; 1612 1613 if ((flag & FWRITE) == 0) { 1614 return EBADF; 1615 } 1616 if (dks->dks_param != NULL) { 1617 return EINVAL; 1618 } 1619 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1620 error = bufq_alloc(&new, dks->dks_name, 1621 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1622 if (error) { 1623 return error; 1624 } 1625 s = splbio(); 1626 old = cd->buf_queue; 1627 bufq_move(new, old); 1628 cd->buf_queue = new; 1629 splx(s); 1630 bufq_free(old); 1631 1632 return 0; 1633 } 1634 default: 1635 if (part != RAW_PART) 1636 return (ENOTTY); 1637 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1638 } 1639 1640 #ifdef DIAGNOSTIC 1641 panic("cdioctl: impossible"); 1642 #endif 1643 } 1644 1645 static void 1646 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1647 struct disklabel *lp) 1648 { 1649 int lastsession; 1650 1651 memset(lp, 0, sizeof(struct disklabel)); 1652 1653 lp->d_secsize = cd->params.blksize; 1654 lp->d_ntracks = 1; 1655 lp->d_nsectors = 100; 1656 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1657 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1658 1659 switch (scsipi_periph_bustype(cd->sc_periph)) { 1660 case SCSIPI_BUSTYPE_SCSI: 1661 lp->d_type = DTYPE_SCSI; 1662 break; 1663 case SCSIPI_BUSTYPE_ATAPI: 1664 lp->d_type = DTYPE_ATAPI; 1665 break; 1666 } 1667 /* 1668 * XXX 1669 * We could probe the mode pages to figure out what kind of disc it is. 1670 * Is this worthwhile? 1671 */ 1672 strncpy(lp->d_typename, "mydisc", 16); 1673 strncpy(lp->d_packname, "fictitious", 16); 1674 lp->d_secperunit = cd->params.disksize; 1675 lp->d_rpm = 300; 1676 lp->d_interleave = 1; 1677 lp->d_flags = D_REMOVABLE; 1678 1679 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1680 lastsession = 0; 1681 1682 lp->d_partitions[0].p_offset = 0; 1683 lp->d_partitions[0].p_size = lp->d_secperunit; 1684 lp->d_partitions[0].p_cdsession = lastsession; 1685 lp->d_partitions[0].p_fstype = FS_ISO9660; 1686 lp->d_partitions[RAW_PART].p_offset = 0; 1687 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1688 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1689 lp->d_npartitions = RAW_PART + 1; 1690 1691 lp->d_magic = DISKMAGIC; 1692 lp->d_magic2 = DISKMAGIC; 1693 lp->d_checksum = dkcksum(lp); 1694 } 1695 1696 /* 1697 * Load the label information on the named device 1698 * Actually fabricate a disklabel 1699 * 1700 * EVENTUALLY take information about different 1701 * data tracks from the TOC and put it in the disklabel 1702 */ 1703 static void 1704 cdgetdisklabel(struct cd_softc *cd) 1705 { 1706 struct disklabel *lp = cd->sc_dk.dk_label; 1707 struct cd_formatted_toc toc; 1708 const char *errstring; 1709 1710 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1711 1712 cdgetdefaultlabel(cd, &toc, lp); 1713 1714 /* 1715 * Call the generic disklabel extraction routine 1716 */ 1717 errstring = readdisklabel(MAKECDDEV(0, device_unit(cd->sc_dev), 1718 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1719 1720 /* if all went OK, we are passed a NULL error string */ 1721 if (errstring == NULL) 1722 return; 1723 1724 /* Reset to default label -- after printing error and the warning */ 1725 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1726 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1727 cdgetdefaultlabel(cd, &toc, lp); 1728 } 1729 1730 /* 1731 * Reading a discs total capacity is aparently a very difficult issue for the 1732 * SCSI standardisation group. Every disc type seems to have its own 1733 * (re)invented size request method and modifiers. The failsafe way of 1734 * determining the total (max) capacity i.e. not the recorded capacity but the 1735 * total maximum capacity is to request the info on the last track and 1736 * calucate the total size. 1737 * 1738 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1739 * we count. 1740 */ 1741 static int 1742 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1743 { 1744 struct scsipi_read_cd_capacity cap_cmd; 1745 struct scsipi_read_cd_cap_data cap; 1746 struct scsipi_read_discinfo di_cmd; 1747 struct scsipi_read_discinfo_data di; 1748 struct scsipi_read_trackinfo ti_cmd; 1749 struct scsipi_read_trackinfo_data ti; 1750 uint32_t track_start, track_size; 1751 int error, flags, msb, lsb, last_track; 1752 1753 /* if the device doesn't grog capacity, return the dummies */ 1754 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1755 return 0; 1756 1757 /* first try read CD capacity for blksize and recorded size */ 1758 /* issue the cd capacity request */ 1759 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1760 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1761 cap_cmd.opcode = READ_CD_CAPACITY; 1762 1763 error = scsipi_command(periph, 1764 (void *) &cap_cmd, sizeof(cap_cmd), 1765 (void *) &cap, sizeof(cap), 1766 CDRETRIES, 30000, NULL, flags); 1767 if (error) 1768 return error; 1769 1770 /* retrieve values and sanity check them */ 1771 *blksize = _4btol(cap.length); 1772 *size = _4btol(cap.addr); 1773 1774 /* blksize is 2048 for CD, but some drives give gibberish */ 1775 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1776 *blksize = 2048; /* some drives lie ! */ 1777 1778 /* recordables have READ_DISCINFO implemented */ 1779 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1780 memset(&di_cmd, 0, sizeof(di_cmd)); 1781 di_cmd.opcode = READ_DISCINFO; 1782 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1783 1784 error = scsipi_command(periph, 1785 (void *) &di_cmd, sizeof(di_cmd), 1786 (void *) &di, READ_DISCINFO_BIGSIZE, 1787 CDRETRIES, 30000, NULL, flags); 1788 if (error == 0) { 1789 msb = di.last_track_last_session_msb; 1790 lsb = di.last_track_last_session_lsb; 1791 last_track = (msb << 8) | lsb; 1792 1793 /* request info on last track */ 1794 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1795 ti_cmd.opcode = READ_TRACKINFO; 1796 ti_cmd.addr_type = 1; /* on tracknr */ 1797 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1798 _lto2b(sizeof(ti), ti_cmd.data_len); 1799 1800 error = scsipi_command(periph, 1801 (void *) &ti_cmd, sizeof(ti_cmd), 1802 (void *) &ti, sizeof(ti), 1803 CDRETRIES, 30000, NULL, flags); 1804 if (error == 0) { 1805 track_start = _4btol(ti.track_start); 1806 track_size = _4btol(ti.track_size); 1807 1808 /* overwrite only with a sane value */ 1809 if (track_start + track_size >= 100) 1810 *size = track_start + track_size; 1811 } 1812 } 1813 1814 /* sanity check for size */ 1815 if (*size < 100) 1816 *size = 400000; 1817 1818 return 0; 1819 } 1820 1821 /* 1822 * Find out from the device what it's capacity is 1823 */ 1824 static u_long 1825 cd_size(struct cd_softc *cd, int flags) 1826 { 1827 u_int blksize; 1828 u_long size; 1829 int error; 1830 1831 /* set up fake values */ 1832 blksize = 2048; 1833 size = 400000; 1834 1835 /* if this function bounces with an error return fake value */ 1836 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1837 if (error) 1838 return size; 1839 1840 if (blksize != 2048) { 1841 if (cd_setblksize(cd) == 0) 1842 blksize = 2048; 1843 } 1844 cd->params.blksize = blksize; 1845 cd->params.disksize = size; 1846 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1847 1848 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1849 ("cd_size: %u %lu\n", blksize, size)); 1850 1851 return size; 1852 } 1853 1854 /* 1855 * Get scsi driver to send a "start playing" command 1856 */ 1857 static int 1858 cd_play(struct cd_softc *cd, int blkno, int nblks) 1859 { 1860 struct scsipi_play cmd; 1861 1862 memset(&cmd, 0, sizeof(cmd)); 1863 cmd.opcode = PLAY; 1864 _lto4b(blkno, cmd.blk_addr); 1865 _lto2b(nblks, cmd.xfer_len); 1866 1867 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1868 CDRETRIES, 30000, NULL, 0)); 1869 } 1870 1871 /* 1872 * Get scsi driver to send a "start playing" command 1873 */ 1874 static int 1875 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1876 int sindex, int etrack, int eindex) 1877 { 1878 int error; 1879 1880 if (!etrack) 1881 return (EIO); 1882 if (strack > etrack) 1883 return (EINVAL); 1884 1885 error = cd_load_toc(cd, CD_TOC_FORM, toc, XS_CTL_DATA_ONSTACK); 1886 if (error) 1887 return (error); 1888 1889 if (++etrack > (toc->header.ending_track+1)) 1890 etrack = toc->header.ending_track+1; 1891 1892 strack -= toc->header.starting_track; 1893 etrack -= toc->header.starting_track; 1894 if (strack < 0) 1895 return (EINVAL); 1896 1897 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1898 toc->entries[strack].addr.msf.second, 1899 toc->entries[strack].addr.msf.frame, 1900 toc->entries[etrack].addr.msf.minute, 1901 toc->entries[etrack].addr.msf.second, 1902 toc->entries[etrack].addr.msf.frame)); 1903 } 1904 1905 /* 1906 * Get scsi driver to send a "play msf" command 1907 */ 1908 static int 1909 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1910 int ends, int endf) 1911 { 1912 struct scsipi_play_msf cmd; 1913 1914 memset(&cmd, 0, sizeof(cmd)); 1915 cmd.opcode = PLAY_MSF; 1916 cmd.start_m = startm; 1917 cmd.start_s = starts; 1918 cmd.start_f = startf; 1919 cmd.end_m = endm; 1920 cmd.end_s = ends; 1921 cmd.end_f = endf; 1922 1923 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1924 CDRETRIES, 30000, NULL, 0)); 1925 } 1926 1927 /* 1928 * Get scsi driver to send a "start up" command 1929 */ 1930 static int 1931 cd_pause(struct cd_softc *cd, int go) 1932 { 1933 struct scsipi_pause cmd; 1934 1935 memset(&cmd, 0, sizeof(cmd)); 1936 cmd.opcode = PAUSE; 1937 cmd.resume = go & 0xff; 1938 1939 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1940 CDRETRIES, 30000, NULL, 0)); 1941 } 1942 1943 /* 1944 * Get scsi driver to send a "RESET" command 1945 */ 1946 static int 1947 cd_reset(struct cd_softc *cd) 1948 { 1949 1950 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1951 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1952 } 1953 1954 /* 1955 * Read subchannel 1956 */ 1957 static int 1958 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1959 struct cd_sub_channel_info *data, int len, int flags) 1960 { 1961 struct scsipi_read_subchannel cmd; 1962 1963 memset(&cmd, 0, sizeof(cmd)); 1964 cmd.opcode = READ_SUBCHANNEL; 1965 if (mode == CD_MSF_FORMAT) 1966 cmd.byte2 |= CD_MSF; 1967 cmd.byte3 = SRS_SUBQ; 1968 cmd.subchan_format = format; 1969 cmd.track = track; 1970 _lto2b(len, cmd.data_len); 1971 1972 return (scsipi_command(cd->sc_periph, 1973 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1974 (void *)data, len, 1975 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1976 } 1977 1978 /* 1979 * Read table of contents 1980 */ 1981 static int 1982 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1983 struct cd_formatted_toc *toc, int len, int flags, int control) 1984 { 1985 struct scsipi_read_toc cmd; 1986 int ntoc; 1987 1988 memset(&cmd, 0, sizeof(cmd)); 1989 #if 0 1990 if (len != sizeof(struct ioc_toc_header)) 1991 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1992 sizeof(struct cd_toc_entry); 1993 else 1994 #endif 1995 ntoc = len; 1996 cmd.opcode = READ_TOC; 1997 if (mode == CD_MSF_FORMAT) 1998 cmd.addr_mode |= CD_MSF; 1999 cmd.resp_format = respf; 2000 cmd.from_track = start; 2001 _lto2b(ntoc, cmd.data_len); 2002 cmd.control = control; 2003 2004 return (scsipi_command(cd->sc_periph, 2005 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2006 30000, NULL, flags | XS_CTL_DATA_IN)); 2007 } 2008 2009 static int 2010 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2011 { 2012 int ntracks, len, error; 2013 2014 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2015 flags, 0)) != 0) 2016 return (error); 2017 2018 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2019 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2020 sizeof(toc->header); 2021 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2022 flags, 0)) != 0) 2023 return (error); 2024 return (0); 2025 } 2026 2027 /* 2028 * Get the scsi driver to send a full inquiry to the device and use the 2029 * results to fill out the disk parameter structure. 2030 */ 2031 static int 2032 cd_get_parms(struct cd_softc *cd, int flags) 2033 { 2034 2035 /* 2036 * give a number of sectors so that sec * trks * cyls 2037 * is <= disk_size 2038 */ 2039 if (cd_size(cd, flags) == 0) 2040 return (ENXIO); 2041 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2042 return (0); 2043 } 2044 2045 static int 2046 cdsize(dev_t dev) 2047 { 2048 2049 /* CD-ROMs are read-only. */ 2050 return (-1); 2051 } 2052 2053 static int 2054 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2055 { 2056 2057 /* Not implemented. */ 2058 return (ENXIO); 2059 } 2060 2061 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2062 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2063 2064 static int 2065 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2066 { 2067 struct scsipi_generic cmd; 2068 u_int8_t bf[20]; 2069 int error; 2070 2071 memset(cmd.bytes, 0, 15); 2072 memset(bf, 0, sizeof(bf)); 2073 2074 switch (a->type) { 2075 case DVD_LU_SEND_AGID: 2076 cmd.opcode = GPCMD_REPORT_KEY; 2077 cmd.bytes[8] = 8; 2078 cmd.bytes[9] = 0 | (0 << 6); 2079 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2080 CDRETRIES, 30000, NULL, 2081 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2082 if (error) 2083 return (error); 2084 a->lsa.agid = bf[7] >> 6; 2085 return (0); 2086 2087 case DVD_LU_SEND_CHALLENGE: 2088 cmd.opcode = GPCMD_REPORT_KEY; 2089 cmd.bytes[8] = 16; 2090 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2091 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2092 CDRETRIES, 30000, NULL, 2093 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2094 if (error) 2095 return (error); 2096 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2097 return (0); 2098 2099 case DVD_LU_SEND_KEY1: 2100 cmd.opcode = GPCMD_REPORT_KEY; 2101 cmd.bytes[8] = 12; 2102 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2103 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2104 CDRETRIES, 30000, NULL, 2105 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2106 if (error) 2107 return (error); 2108 dvd_copy_key(a->lsk.key, &bf[4]); 2109 return (0); 2110 2111 case DVD_LU_SEND_TITLE_KEY: 2112 cmd.opcode = GPCMD_REPORT_KEY; 2113 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2114 cmd.bytes[8] = 12; 2115 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2116 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2117 CDRETRIES, 30000, NULL, 2118 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2119 if (error) 2120 return (error); 2121 a->lstk.cpm = (bf[4] >> 7) & 1; 2122 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2123 a->lstk.cgms = (bf[4] >> 4) & 3; 2124 dvd_copy_key(a->lstk.title_key, &bf[5]); 2125 return (0); 2126 2127 case DVD_LU_SEND_ASF: 2128 cmd.opcode = GPCMD_REPORT_KEY; 2129 cmd.bytes[8] = 8; 2130 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2131 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2132 CDRETRIES, 30000, NULL, 2133 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2134 if (error) 2135 return (error); 2136 a->lsasf.asf = bf[7] & 1; 2137 return (0); 2138 2139 case DVD_HOST_SEND_CHALLENGE: 2140 cmd.opcode = GPCMD_SEND_KEY; 2141 cmd.bytes[8] = 16; 2142 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2143 bf[1] = 14; 2144 dvd_copy_challenge(&bf[4], a->hsc.chal); 2145 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2146 CDRETRIES, 30000, NULL, 2147 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2148 if (error) 2149 return (error); 2150 a->type = DVD_LU_SEND_KEY1; 2151 return (0); 2152 2153 case DVD_HOST_SEND_KEY2: 2154 cmd.opcode = GPCMD_SEND_KEY; 2155 cmd.bytes[8] = 12; 2156 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2157 bf[1] = 10; 2158 dvd_copy_key(&bf[4], a->hsk.key); 2159 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2160 CDRETRIES, 30000, NULL, 2161 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2162 if (error) { 2163 a->type = DVD_AUTH_FAILURE; 2164 return (error); 2165 } 2166 a->type = DVD_AUTH_ESTABLISHED; 2167 return (0); 2168 2169 case DVD_INVALIDATE_AGID: 2170 cmd.opcode = GPCMD_REPORT_KEY; 2171 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2172 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2173 CDRETRIES, 30000, NULL, 0); 2174 if (error) 2175 return (error); 2176 return (0); 2177 2178 case DVD_LU_SEND_RPC_STATE: 2179 cmd.opcode = GPCMD_REPORT_KEY; 2180 cmd.bytes[8] = 8; 2181 cmd.bytes[9] = 8 | (0 << 6); 2182 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2183 CDRETRIES, 30000, NULL, 2184 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2185 if (error) 2186 return (error); 2187 a->lrpcs.type = (bf[4] >> 6) & 3; 2188 a->lrpcs.vra = (bf[4] >> 3) & 7; 2189 a->lrpcs.ucca = (bf[4]) & 7; 2190 a->lrpcs.region_mask = bf[5]; 2191 a->lrpcs.rpc_scheme = bf[6]; 2192 return (0); 2193 2194 case DVD_HOST_SEND_RPC_STATE: 2195 cmd.opcode = GPCMD_SEND_KEY; 2196 cmd.bytes[8] = 8; 2197 cmd.bytes[9] = 6 | (0 << 6); 2198 bf[1] = 6; 2199 bf[4] = a->hrpcs.pdrc; 2200 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2201 CDRETRIES, 30000, NULL, 2202 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2203 if (error) 2204 return (error); 2205 return (0); 2206 2207 default: 2208 return (ENOTTY); 2209 } 2210 } 2211 2212 static int 2213 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2214 { 2215 struct scsipi_generic cmd; 2216 u_int8_t bf[4 + 4 * 20], *bufp; 2217 int error; 2218 struct dvd_layer *layer; 2219 int i; 2220 2221 memset(cmd.bytes, 0, 15); 2222 memset(bf, 0, sizeof(bf)); 2223 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2224 cmd.bytes[6] = s->type; 2225 _lto2b(sizeof(bf), &cmd.bytes[7]); 2226 2227 cmd.bytes[5] = s->physical.layer_num; 2228 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2229 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2230 if (error) 2231 return (error); 2232 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2233 i++, bufp += 20, layer++) { 2234 memset(layer, 0, sizeof(*layer)); 2235 layer->book_version = bufp[0] & 0xf; 2236 layer->book_type = bufp[0] >> 4; 2237 layer->min_rate = bufp[1] & 0xf; 2238 layer->disc_size = bufp[1] >> 4; 2239 layer->layer_type = bufp[2] & 0xf; 2240 layer->track_path = (bufp[2] >> 4) & 1; 2241 layer->nlayers = (bufp[2] >> 5) & 3; 2242 layer->track_density = bufp[3] & 0xf; 2243 layer->linear_density = bufp[3] >> 4; 2244 layer->start_sector = _4btol(&bufp[4]); 2245 layer->end_sector = _4btol(&bufp[8]); 2246 layer->end_sector_l0 = _4btol(&bufp[12]); 2247 layer->bca = bufp[16] >> 7; 2248 } 2249 return (0); 2250 } 2251 2252 static int 2253 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2254 { 2255 struct scsipi_generic cmd; 2256 u_int8_t bf[8]; 2257 int error; 2258 2259 memset(cmd.bytes, 0, 15); 2260 memset(bf, 0, sizeof(bf)); 2261 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2262 cmd.bytes[6] = s->type; 2263 _lto2b(sizeof(bf), &cmd.bytes[7]); 2264 2265 cmd.bytes[5] = s->copyright.layer_num; 2266 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2267 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2268 if (error) 2269 return (error); 2270 s->copyright.cpst = bf[4]; 2271 s->copyright.rmi = bf[5]; 2272 return (0); 2273 } 2274 2275 static int 2276 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2277 { 2278 struct scsipi_generic cmd; 2279 u_int8_t *bf; 2280 int error; 2281 2282 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2283 if (bf == NULL) 2284 return EIO; 2285 memset(cmd.bytes, 0, 15); 2286 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2287 cmd.bytes[6] = s->type; 2288 _lto2b(4 + 2048, &cmd.bytes[7]); 2289 2290 cmd.bytes[9] = s->disckey.agid << 6; 2291 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2292 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2293 if (error == 0) 2294 memcpy(s->disckey.value, &bf[4], 2048); 2295 free(bf, M_TEMP); 2296 return error; 2297 } 2298 2299 static int 2300 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2301 { 2302 struct scsipi_generic cmd; 2303 u_int8_t bf[4 + 188]; 2304 int error; 2305 2306 memset(cmd.bytes, 0, 15); 2307 memset(bf, 0, sizeof(bf)); 2308 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2309 cmd.bytes[6] = s->type; 2310 _lto2b(sizeof(bf), &cmd.bytes[7]); 2311 2312 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2313 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2314 if (error) 2315 return (error); 2316 s->bca.len = _2btol(&bf[0]); 2317 if (s->bca.len < 12 || s->bca.len > 188) 2318 return (EIO); 2319 memcpy(s->bca.value, &bf[4], s->bca.len); 2320 return (0); 2321 } 2322 2323 static int 2324 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2325 { 2326 struct scsipi_generic cmd; 2327 u_int8_t *bf; 2328 int error; 2329 2330 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2331 if (bf == NULL) 2332 return (EIO); 2333 memset(cmd.bytes, 0, 15); 2334 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2335 cmd.bytes[6] = s->type; 2336 _lto2b(4 + 2048, &cmd.bytes[7]); 2337 2338 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2339 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2340 if (error == 0) { 2341 s->manufact.len = _2btol(&bf[0]); 2342 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2343 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2344 else 2345 error = EIO; 2346 } 2347 free(bf, M_TEMP); 2348 return error; 2349 } 2350 2351 static int 2352 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2353 { 2354 2355 switch (s->type) { 2356 case DVD_STRUCT_PHYSICAL: 2357 return (dvd_read_physical(cd, s)); 2358 case DVD_STRUCT_COPYRIGHT: 2359 return (dvd_read_copyright(cd, s)); 2360 case DVD_STRUCT_DISCKEY: 2361 return (dvd_read_disckey(cd, s)); 2362 case DVD_STRUCT_BCA: 2363 return (dvd_read_bca(cd, s)); 2364 case DVD_STRUCT_MANUFACT: 2365 return (dvd_read_manufact(cd, s)); 2366 default: 2367 return (EINVAL); 2368 } 2369 } 2370 2371 static int 2372 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2373 int page, int flags, int *big) 2374 { 2375 2376 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2377 *big = 1; 2378 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2379 size + sizeof(struct scsi_mode_parameter_header_10), 2380 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2381 } else { 2382 *big = 0; 2383 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2384 size + sizeof(struct scsi_mode_parameter_header_6), 2385 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2386 } 2387 } 2388 2389 static int 2390 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2391 int flags, int big) 2392 { 2393 2394 if (big) { 2395 struct scsi_mode_parameter_header_10 *header = sense; 2396 2397 _lto2b(0, header->data_length); 2398 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2399 size + sizeof(struct scsi_mode_parameter_header_10), 2400 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2401 } else { 2402 struct scsi_mode_parameter_header_6 *header = sense; 2403 2404 header->data_length = 0; 2405 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2406 size + sizeof(struct scsi_mode_parameter_header_6), 2407 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2408 } 2409 } 2410 2411 static int 2412 cd_set_pa_immed(struct cd_softc *cd, int flags) 2413 { 2414 struct { 2415 union { 2416 struct scsi_mode_parameter_header_6 small; 2417 struct scsi_mode_parameter_header_10 big; 2418 } header; 2419 struct cd_audio_page page; 2420 } data; 2421 int error; 2422 uint8_t oflags; 2423 int big, byte2; 2424 struct cd_audio_page *page; 2425 2426 byte2 = SMS_DBD; 2427 try_again: 2428 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2429 AUDIO_PAGE, flags, &big)) != 0) { 2430 if (byte2 == SMS_DBD) { 2431 /* Device may not understand DBD; retry without */ 2432 byte2 = 0; 2433 goto try_again; 2434 } 2435 return (error); 2436 } 2437 2438 if (big) 2439 page = (void *)((u_long)&data.header.big + 2440 sizeof data.header.big + 2441 _2btol(data.header.big.blk_desc_len)); 2442 else 2443 page = (void *)((u_long)&data.header.small + 2444 sizeof data.header.small + 2445 data.header.small.blk_desc_len); 2446 2447 oflags = page->flags; 2448 page->flags &= ~CD_PA_SOTC; 2449 page->flags |= CD_PA_IMMED; 2450 if (oflags == page->flags) 2451 return (0); 2452 2453 return (cd_mode_select(cd, SMS_PF, &data, 2454 sizeof(struct scsi_mode_page_header) + page->pg_length, 2455 flags, big)); 2456 } 2457 2458 static int 2459 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2460 { 2461 struct { 2462 union { 2463 struct scsi_mode_parameter_header_6 small; 2464 struct scsi_mode_parameter_header_10 big; 2465 } header; 2466 struct cd_audio_page page; 2467 } data; 2468 int error; 2469 int big, byte2; 2470 struct cd_audio_page *page; 2471 2472 byte2 = SMS_DBD; 2473 try_again: 2474 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2475 AUDIO_PAGE, flags, &big)) != 0) { 2476 if (byte2 == SMS_DBD) { 2477 /* Device may not understand DBD; retry without */ 2478 byte2 = 0; 2479 goto try_again; 2480 } 2481 return (error); 2482 } 2483 2484 if (big) 2485 page = (void *)((u_long)&data.header.big + 2486 sizeof data.header.big + 2487 _2btol(data.header.big.blk_desc_len)); 2488 else 2489 page = (void *)((u_long)&data.header.small + 2490 sizeof data.header.small + 2491 data.header.small.blk_desc_len); 2492 2493 page->port[0].channels = p0; 2494 page->port[1].channels = p1; 2495 page->port[2].channels = p2; 2496 page->port[3].channels = p3; 2497 2498 return (cd_mode_select(cd, SMS_PF, &data, 2499 sizeof(struct scsi_mode_page_header) + page->pg_length, 2500 flags, big)); 2501 } 2502 2503 static int 2504 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2505 { 2506 struct { 2507 union { 2508 struct scsi_mode_parameter_header_6 small; 2509 struct scsi_mode_parameter_header_10 big; 2510 } header; 2511 struct cd_audio_page page; 2512 } data; 2513 int error; 2514 int big, byte2; 2515 struct cd_audio_page *page; 2516 2517 byte2 = SMS_DBD; 2518 try_again: 2519 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2520 AUDIO_PAGE, flags, &big)) != 0) { 2521 if (byte2 == SMS_DBD) { 2522 /* Device may not understand DBD; retry without */ 2523 byte2 = 0; 2524 goto try_again; 2525 } 2526 return (error); 2527 } 2528 2529 if (big) 2530 page = (void *)((u_long)&data.header.big + 2531 sizeof data.header.big + 2532 _2btol(data.header.big.blk_desc_len)); 2533 else 2534 page = (void *)((u_long)&data.header.small + 2535 sizeof data.header.small + 2536 data.header.small.blk_desc_len); 2537 2538 arg->vol[0] = page->port[0].volume; 2539 arg->vol[1] = page->port[1].volume; 2540 arg->vol[2] = page->port[2].volume; 2541 arg->vol[3] = page->port[3].volume; 2542 2543 return (0); 2544 } 2545 2546 static int 2547 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2548 { 2549 struct { 2550 union { 2551 struct scsi_mode_parameter_header_6 small; 2552 struct scsi_mode_parameter_header_10 big; 2553 } header; 2554 struct cd_audio_page page; 2555 } data, mask; 2556 int error; 2557 int big, byte2; 2558 struct cd_audio_page *page, *page2; 2559 2560 byte2 = SMS_DBD; 2561 try_again: 2562 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2563 AUDIO_PAGE, flags, &big)) != 0) { 2564 if (byte2 == SMS_DBD) { 2565 /* Device may not understand DBD; retry without */ 2566 byte2 = 0; 2567 goto try_again; 2568 } 2569 return (error); 2570 } 2571 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2572 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2573 return (error); 2574 2575 if (big) { 2576 page = (void *)((u_long)&data.header.big + 2577 sizeof data.header.big + 2578 _2btol(data.header.big.blk_desc_len)); 2579 page2 = (void *)((u_long)&mask.header.big + 2580 sizeof mask.header.big + 2581 _2btol(mask.header.big.blk_desc_len)); 2582 } else { 2583 page = (void *)((u_long)&data.header.small + 2584 sizeof data.header.small + 2585 data.header.small.blk_desc_len); 2586 page2 = (void *)((u_long)&mask.header.small + 2587 sizeof mask.header.small + 2588 mask.header.small.blk_desc_len); 2589 } 2590 2591 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2592 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2593 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2594 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2595 2596 page->port[0].channels = CHANNEL_0; 2597 page->port[1].channels = CHANNEL_1; 2598 2599 return (cd_mode_select(cd, SMS_PF, &data, 2600 sizeof(struct scsi_mode_page_header) + page->pg_length, 2601 flags, big)); 2602 } 2603 2604 static int 2605 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2606 { 2607 struct scsipi_load_unload cmd; 2608 2609 memset(&cmd, 0, sizeof(cmd)); 2610 cmd.opcode = LOAD_UNLOAD; 2611 cmd.options = args->options; /* ioctl uses MMC values */ 2612 cmd.slot = args->slot; 2613 2614 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2615 CDRETRIES, 200000, NULL, 0)); 2616 } 2617 2618 static int 2619 cd_setblksize(struct cd_softc *cd) 2620 { 2621 struct { 2622 union { 2623 struct scsi_mode_parameter_header_6 small; 2624 struct scsi_mode_parameter_header_10 big; 2625 } header; 2626 struct scsi_general_block_descriptor blk_desc; 2627 } data; 2628 int error; 2629 int big, bsize; 2630 struct scsi_general_block_descriptor *bdesc; 2631 2632 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2633 &big)) != 0) 2634 return (error); 2635 2636 if (big) { 2637 bdesc = (void *)(&data.header.big + 1); 2638 bsize = _2btol(data.header.big.blk_desc_len); 2639 } else { 2640 bdesc = (void *)(&data.header.small + 1); 2641 bsize = data.header.small.blk_desc_len; 2642 } 2643 2644 if (bsize == 0) { 2645 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2646 return (EINVAL); 2647 } 2648 if (_3btol(bdesc->blklen) == 2048) { 2649 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2650 return (EINVAL); 2651 } 2652 2653 _lto3b(2048, bdesc->blklen); 2654 2655 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2656 big)); 2657 } 2658 2659 2660 static int 2661 mmc_profile2class(uint16_t mmc_profile) 2662 { 2663 switch (mmc_profile) { 2664 case 0x01 : /* SCSI discs */ 2665 case 0x02 : 2666 /* this can't happen really, cd.c wouldn't have matched */ 2667 return MMC_CLASS_DISC; 2668 case 0x03 : /* Magneto Optical with sector erase */ 2669 case 0x04 : /* Magneto Optical write once */ 2670 case 0x05 : /* Advance Storage Magneto Optical */ 2671 return MMC_CLASS_MO; 2672 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2673 case 0x08 : /* CD-ROM */ 2674 case 0x09 : /* CD-R */ 2675 case 0x0a : /* CD-RW */ 2676 return MMC_CLASS_CD; 2677 case 0x10 : /* DVD-ROM */ 2678 case 0x11 : /* DVD-R */ 2679 case 0x12 : /* DVD-RAM */ 2680 case 0x13 : /* DVD-RW restricted overwrite */ 2681 case 0x14 : /* DVD-RW sequential */ 2682 case 0x1a : /* DVD+RW */ 2683 case 0x1b : /* DVD+R */ 2684 case 0x2a : /* DVD+RW Dual layer */ 2685 case 0x2b : /* DVD+R Dual layer */ 2686 case 0x50 : /* HD DVD-ROM */ 2687 case 0x51 : /* HD DVD-R */ 2688 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2689 return MMC_CLASS_DVD; 2690 case 0x40 : /* BD-ROM */ 2691 case 0x41 : /* BD-R Sequential recording (SRM) */ 2692 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2693 case 0x43 : /* BD-RE */ 2694 return MMC_CLASS_BD; 2695 } 2696 return MMC_CLASS_UNKN; 2697 } 2698 2699 2700 /* 2701 * Drive/media combination is reflected in a series of features that can 2702 * either be current or dormant. We try to make sense out of them to create a 2703 * set of easy to use flags that abstract the device/media capabilities. 2704 */ 2705 2706 static void 2707 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2708 uint16_t feature, int cur, uint8_t *rpos) 2709 { 2710 uint32_t blockingnr; 2711 uint64_t flags; 2712 2713 if (cur == 1) { 2714 flags = mmc_discinfo->mmc_cur; 2715 } else { 2716 flags = mmc_discinfo->mmc_cap; 2717 } 2718 2719 switch (feature) { 2720 case 0x0010 : /* random readable feature */ 2721 blockingnr = rpos[5] | (rpos[4] << 8); 2722 if (blockingnr > 1) 2723 flags |= MMC_CAP_PACKET; 2724 2725 /* RW error page */ 2726 break; 2727 case 0x0020 : /* random writable feature */ 2728 flags |= MMC_CAP_RECORDABLE; 2729 flags |= MMC_CAP_REWRITABLE; 2730 blockingnr = rpos[9] | (rpos[8] << 8); 2731 if (blockingnr > 1) 2732 flags |= MMC_CAP_PACKET; 2733 break; 2734 case 0x0021 : /* incremental streaming write feature */ 2735 flags |= MMC_CAP_RECORDABLE; 2736 flags |= MMC_CAP_SEQUENTIAL; 2737 if (cur) 2738 mmc_discinfo->link_block_penalty = rpos[4]; 2739 if (rpos[2] & 1) 2740 flags |= MMC_CAP_ZEROLINKBLK; 2741 break; 2742 case 0x0022 : /* (obsolete) erase support feature */ 2743 flags |= MMC_CAP_RECORDABLE; 2744 flags |= MMC_CAP_ERASABLE; 2745 break; 2746 case 0x0023 : /* formatting media support feature */ 2747 flags |= MMC_CAP_RECORDABLE; 2748 flags |= MMC_CAP_FORMATTABLE; 2749 break; 2750 case 0x0024 : /* hardware assised defect management feature */ 2751 flags |= MMC_CAP_HW_DEFECTFREE; 2752 break; 2753 case 0x0025 : /* write once */ 2754 flags |= MMC_CAP_RECORDABLE; 2755 break; 2756 case 0x0026 : /* restricted overwrite feature */ 2757 flags |= MMC_CAP_RECORDABLE; 2758 flags |= MMC_CAP_REWRITABLE; 2759 flags |= MMC_CAP_STRICTOVERWRITE; 2760 break; 2761 case 0x0028 : /* MRW formatted media support feature */ 2762 flags |= MMC_CAP_MRW; 2763 break; 2764 case 0x002b : /* DVD+R read (and opt. write) support */ 2765 flags |= MMC_CAP_SEQUENTIAL; 2766 if (rpos[0] & 1) /* write support */ 2767 flags |= MMC_CAP_RECORDABLE; 2768 break; 2769 case 0x002c : /* rigid restricted overwrite feature */ 2770 flags |= MMC_CAP_RECORDABLE; 2771 flags |= MMC_CAP_REWRITABLE; 2772 flags |= MMC_CAP_STRICTOVERWRITE; 2773 if (rpos[0] & 1) /* blank bit */ 2774 flags |= MMC_CAP_BLANKABLE; 2775 break; 2776 case 0x002d : /* track at once recording feature */ 2777 flags |= MMC_CAP_RECORDABLE; 2778 flags |= MMC_CAP_SEQUENTIAL; 2779 break; 2780 case 0x002f : /* DVD-R/-RW write feature */ 2781 flags |= MMC_CAP_RECORDABLE; 2782 if (rpos[0] & 2) /* DVD-RW bit */ 2783 flags |= MMC_CAP_BLANKABLE; 2784 break; 2785 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2786 flags |= MMC_CAP_PSEUDOOVERWRITE; 2787 break; 2788 default : 2789 /* ignore */ 2790 break; 2791 } 2792 2793 if (cur == 1) { 2794 mmc_discinfo->mmc_cur = flags; 2795 } else { 2796 mmc_discinfo->mmc_cap = flags; 2797 } 2798 } 2799 2800 static int 2801 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2802 struct mmc_discinfo *mmc_discinfo) 2803 { 2804 struct scsipi_read_toc gtoc_cmd; 2805 struct scsipi_toc_header *toc_hdr; 2806 struct scsipi_toc_msinfo *toc_msinfo; 2807 const uint32_t buffer_size = 1024; 2808 uint32_t req_size; 2809 uint8_t *buffer; 2810 int error, flags; 2811 2812 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2813 /* 2814 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2815 * care' but others might be of interest to programs. 2816 */ 2817 2818 mmc_discinfo->disc_state = MMC_STATE_FULL; 2819 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2820 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2821 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2822 2823 /* get number of sessions and first tracknr in last session */ 2824 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2825 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2826 gtoc_cmd.opcode = READ_TOC; 2827 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2828 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2829 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2830 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2831 _lto2b(req_size, gtoc_cmd.data_len); 2832 2833 error = scsipi_command(periph, 2834 (void *)>oc_cmd, sizeof(gtoc_cmd), 2835 (void *)buffer, req_size, 2836 CDRETRIES, 30000, NULL, flags); 2837 if (error) 2838 goto out; 2839 toc_hdr = (struct scsipi_toc_header *) buffer; 2840 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2841 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2842 mmc_discinfo->first_track = toc_hdr->first; 2843 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2844 2845 /* get last track of last session */ 2846 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2847 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2848 req_size = sizeof(*toc_hdr); 2849 _lto2b(req_size, gtoc_cmd.data_len); 2850 2851 error = scsipi_command(periph, 2852 (void *)>oc_cmd, sizeof(gtoc_cmd), 2853 (void *)buffer, req_size, 2854 CDRETRIES, 30000, NULL, flags); 2855 if (error) 2856 goto out; 2857 toc_hdr = (struct scsipi_toc_header *) buffer; 2858 mmc_discinfo->last_track_last_session = toc_hdr->last; 2859 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2860 2861 /* TODO how to handle disc_barcode and disc_id */ 2862 /* done */ 2863 2864 out: 2865 free(buffer, M_TEMP); 2866 return error; 2867 } 2868 2869 static int 2870 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2871 struct mmc_discinfo *mmc_discinfo) 2872 { 2873 struct scsipi_read_toc gtoc_cmd; 2874 struct scsipi_toc_header toc_hdr; 2875 uint32_t req_size; 2876 int error, flags; 2877 2878 /* 2879 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2880 * care' but others might be of interest to programs. 2881 */ 2882 2883 mmc_discinfo->disc_state = MMC_STATE_FULL; 2884 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2885 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2886 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2887 2888 /* get number of sessions and first tracknr in last session */ 2889 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2890 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2891 gtoc_cmd.opcode = READ_TOC; 2892 gtoc_cmd.addr_mode = 0; /* LBA */ 2893 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2894 gtoc_cmd.from_track = 1; /* first track */ 2895 req_size = sizeof(toc_hdr); 2896 _lto2b(req_size, gtoc_cmd.data_len); 2897 2898 error = scsipi_command(periph, 2899 (void *)>oc_cmd, sizeof(gtoc_cmd), 2900 (void *)&toc_hdr, req_size, 2901 CDRETRIES, 30000, NULL, flags); 2902 if (error) 2903 return error; 2904 2905 /* DVD-ROM squashes the track/session space */ 2906 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2907 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2908 mmc_discinfo->first_track = toc_hdr.first; 2909 mmc_discinfo->first_track_last_session = toc_hdr.last; 2910 mmc_discinfo->last_track_last_session = toc_hdr.last; 2911 2912 /* TODO how to handle disc_barcode and disc_id */ 2913 /* done */ 2914 return 0; 2915 } 2916 2917 static int 2918 mmc_getdiscinfo(struct scsipi_periph *periph, 2919 struct mmc_discinfo *mmc_discinfo) 2920 { 2921 struct scsipi_get_configuration gc_cmd; 2922 struct scsipi_get_conf_data *gc; 2923 struct scsipi_get_conf_feature *gcf; 2924 struct scsipi_read_discinfo di_cmd; 2925 struct scsipi_read_discinfo_data di; 2926 const uint32_t buffer_size = 1024; 2927 uint32_t feat_tbl_len, pos; 2928 u_long last_lba; 2929 uint8_t *buffer, *fpos; 2930 int feature, last_feature, features_len, feature_cur, feature_len; 2931 int lsb, msb, error, flags; 2932 2933 feat_tbl_len = buffer_size; 2934 2935 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2936 2937 /* initialise structure */ 2938 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2939 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2940 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2941 mmc_discinfo->mmc_cur = 0; 2942 mmc_discinfo->mmc_cap = 0; 2943 mmc_discinfo->link_block_penalty = 0; 2944 2945 /* determine mmc profile and class */ 2946 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2947 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2948 gc_cmd.opcode = GET_CONFIGURATION; 2949 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2950 2951 gc = (struct scsipi_get_conf_data *) buffer; 2952 2953 error = scsipi_command(periph, 2954 (void *)&gc_cmd, sizeof(gc_cmd), 2955 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2956 CDRETRIES, 30000, NULL, flags); 2957 if (error) 2958 goto out; 2959 2960 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2961 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2962 2963 /* assume 2048 sector size unless told otherwise */ 2964 mmc_discinfo->sector_size = 2048; 2965 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2966 if (error) 2967 goto out; 2968 2969 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2970 2971 /* Read in all features to determine device capabilities */ 2972 last_feature = feature = 0; 2973 do { 2974 /* determine mmc profile and class */ 2975 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2976 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2977 gc_cmd.opcode = GET_CONFIGURATION; 2978 _lto2b(last_feature, gc_cmd.start_at_feature); 2979 _lto2b(feat_tbl_len, gc_cmd.data_len); 2980 2981 error = scsipi_command(periph, 2982 (void *)&gc_cmd, sizeof(gc_cmd), 2983 (void *) gc, feat_tbl_len, 2984 CDRETRIES, 30000, NULL, flags); 2985 if (error) { 2986 /* ieeek... break out of loop... i dunno what to do */ 2987 break; 2988 } 2989 2990 features_len = _4btol(gc->data_len); 2991 2992 pos = 0; 2993 fpos = &gc->feature_desc[0]; 2994 while (pos < features_len - 4) { 2995 gcf = (struct scsipi_get_conf_feature *) fpos; 2996 2997 feature = _2btol(gcf->featurecode); 2998 feature_cur = gcf->flags & 1; 2999 feature_len = gcf->additional_length; 3000 3001 mmc_process_feature(mmc_discinfo, 3002 feature, feature_cur, 3003 gcf->feature_dependent); 3004 3005 last_feature = MAX(last_feature, feature); 3006 #ifdef DIAGNOSTIC 3007 /* assert((feature_len & 3) == 0); */ 3008 if ((feature_len & 3) != 0) { 3009 printf("feature %d having length %d\n", 3010 feature, feature_len); 3011 } 3012 #endif 3013 3014 pos += 4 + feature_len; 3015 fpos += 4 + feature_len; 3016 } 3017 /* unlikely to ever grow past our 1kb buffer */ 3018 } while (features_len >= 0xffff); 3019 3020 #ifdef DEBUG 3021 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3022 mmc_discinfo->mmc_profile, 3023 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3024 #endif 3025 3026 /* read in disc state and number of sessions and tracks */ 3027 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3028 memset(&di_cmd, 0, sizeof(di_cmd)); 3029 di_cmd.opcode = READ_DISCINFO; 3030 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3031 3032 error = scsipi_command(periph, 3033 (void *)&di_cmd, sizeof(di_cmd), 3034 (void *)&di, READ_DISCINFO_BIGSIZE, 3035 CDRETRIES, 30000, NULL, flags); 3036 3037 if (error) { 3038 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3039 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3040 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3041 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3042 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3043 /* CD/DVD drive is violating specs */ 3044 error = EIO; 3045 goto out; 3046 } 3047 3048 /* call went OK */ 3049 mmc_discinfo->disc_state = di.disc_state & 3; 3050 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3051 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3052 3053 lsb = di.num_sessions_lsb; 3054 msb = di.num_sessions_msb; 3055 mmc_discinfo->num_sessions = lsb | (msb << 8); 3056 3057 mmc_discinfo->first_track = di.first_track; 3058 lsb = di.first_track_last_session_lsb; 3059 msb = di.first_track_last_session_msb; 3060 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3061 lsb = di.last_track_last_session_lsb; 3062 msb = di.last_track_last_session_msb; 3063 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3064 3065 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3066 mmc_discinfo->first_track + 1; 3067 3068 /* set misc. flags and parameters from this disc info */ 3069 if (di.disc_state & 16) 3070 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3071 3072 if (di.disc_state2 & 128) { 3073 mmc_discinfo->disc_id = _4btol(di.discid); 3074 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3075 } 3076 if (di.disc_state2 & 64) { 3077 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3078 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3079 } 3080 if (di.disc_state2 & 32) 3081 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3082 3083 if (di.disc_state2 & 16) { 3084 mmc_discinfo->application_code = di.application_code; 3085 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3086 } 3087 3088 /* done */ 3089 3090 out: 3091 free(buffer, M_TEMP); 3092 return error; 3093 } 3094 3095 static int 3096 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3097 struct mmc_trackinfo *trackinfo) 3098 { 3099 struct scsipi_read_toc gtoc_cmd; 3100 struct scsipi_toc_header *toc_hdr; 3101 struct scsipi_toc_rawtoc *rawtoc; 3102 uint32_t track_start, track_end, track_size; 3103 uint32_t last_recorded, next_writable; 3104 uint32_t lba, next_track_start, lead_out; 3105 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3106 uint8_t *buffer; 3107 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3108 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3109 int size, req_size; 3110 int error, flags; 3111 3112 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3113 3114 /* 3115 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3116 * 3117 * Not all information is present and this presents a problem. Track 3118 * starts are known for each track but other values are deducted. 3119 * 3120 * For a complete overview of `magic' values used here, see the 3121 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3122 * names, they are specified as numbers. 3123 */ 3124 3125 /* get raw toc to process, first header to check size */ 3126 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3127 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3128 gtoc_cmd.opcode = READ_TOC; 3129 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3130 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3131 gtoc_cmd.from_track = 1; /* first session */ 3132 req_size = sizeof(*toc_hdr); 3133 _lto2b(req_size, gtoc_cmd.data_len); 3134 3135 error = scsipi_command(periph, 3136 (void *)>oc_cmd, sizeof(gtoc_cmd), 3137 (void *)buffer, req_size, 3138 CDRETRIES, 30000, NULL, flags); 3139 if (error) 3140 goto out; 3141 toc_hdr = (struct scsipi_toc_header *) buffer; 3142 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3143 #ifdef DIAGNOSTIC 3144 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3145 #endif 3146 error = ENOBUFS; 3147 goto out; 3148 } 3149 3150 /* read in complete raw toc */ 3151 req_size = _2btol(toc_hdr->length); 3152 _lto2b(req_size, gtoc_cmd.data_len); 3153 3154 error = scsipi_command(periph, 3155 (void *)>oc_cmd, sizeof(gtoc_cmd), 3156 (void *)buffer, req_size, 3157 CDRETRIES, 30000, NULL, flags); 3158 if (error) 3159 goto out; 3160 3161 toc_hdr = (struct scsipi_toc_header *) buffer; 3162 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3163 3164 track_start = 0; 3165 track_end = 0; 3166 track_size = 0; 3167 last_recorded = 0; 3168 next_writable = 0; 3169 flags = 0; 3170 3171 last_tracknr = 1; 3172 next_track_start = 0; 3173 track_sessionnr = MAXTRACK; /* by definition */ 3174 lead_out = 0; 3175 3176 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3177 while (size > 0) { 3178 /* get track start and session end */ 3179 tno = rawtoc->tno; 3180 sessionnr = rawtoc->sessionnr; 3181 adr = rawtoc->adrcontrol >> 4; 3182 point = rawtoc->point; 3183 tmin = rawtoc->min; 3184 tsec = rawtoc->sec; 3185 tframe = rawtoc->frame; 3186 pmin = rawtoc->pmin; 3187 psec = rawtoc->psec; 3188 pframe = rawtoc->pframe; 3189 3190 if (tno == 0 && sessionnr && adr == 1) { 3191 lba = hmsf2lba(0, pmin, psec, pframe); 3192 if (point == trackinfo->tracknr) { 3193 track_start = lba; 3194 track_sessionnr = sessionnr; 3195 } 3196 if (point == trackinfo->tracknr + 1) { 3197 /* estimate size */ 3198 track_size = lba - track_start; 3199 next_track_start = lba; 3200 } 3201 if (point == 0xa2) { 3202 lead_out = lba; 3203 } 3204 if (point <= 0x63) { 3205 /* CD's ok, DVD are glued */ 3206 last_tracknr = point; 3207 } 3208 if (sessionnr == track_sessionnr) { 3209 last_recorded = lead_out; 3210 } 3211 } 3212 if (tno == 0 && sessionnr && adr == 5) { 3213 lba = hmsf2lba(0, tmin, tsec, tframe); 3214 if (sessionnr == track_sessionnr) { 3215 next_writable = lba; 3216 } 3217 } 3218 3219 rawtoc++; 3220 size -= sizeof(struct scsipi_toc_rawtoc); 3221 } 3222 3223 /* process found values; some voodoo */ 3224 /* if no tracksize tracknr is the last of the disc */ 3225 if ((track_size == 0) && last_recorded) { 3226 track_size = last_recorded - track_start; 3227 } 3228 /* if last_recorded < tracksize, tracksize is overestimated */ 3229 if (last_recorded) { 3230 if (last_recorded - track_start <= track_size) { 3231 track_size = last_recorded - track_start; 3232 flags |= MMC_TRACKINFO_LRA_VALID; 3233 } 3234 } 3235 /* check if its a the last track of the sector */ 3236 if (next_writable) { 3237 if (next_track_start > next_writable) 3238 flags |= MMC_TRACKINFO_NWA_VALID; 3239 } 3240 3241 /* no flag set -> no values */ 3242 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3243 last_recorded = 0; 3244 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3245 next_writable = 0; 3246 3247 /* fill in */ 3248 /* trackinfo->tracknr preserved */ 3249 trackinfo->sessionnr = track_sessionnr; 3250 trackinfo->track_mode = 7; /* data, incremental */ 3251 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3252 3253 trackinfo->flags = flags; 3254 trackinfo->track_start = track_start; 3255 trackinfo->next_writable = next_writable; 3256 trackinfo->free_blocks = 0; 3257 trackinfo->packet_size = 1; 3258 trackinfo->track_size = track_size; 3259 trackinfo->last_recorded = last_recorded; 3260 3261 out: 3262 free(buffer, M_TEMP); 3263 return error; 3264 3265 } 3266 3267 static int 3268 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3269 struct mmc_trackinfo *trackinfo) 3270 { 3271 struct scsipi_read_toc gtoc_cmd; 3272 struct scsipi_toc_header *toc_hdr; 3273 struct scsipi_toc_formatted *toc; 3274 uint32_t tracknr, track_start, track_size; 3275 uint32_t lba, lead_out; 3276 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3277 uint8_t *buffer; 3278 uint8_t last_tracknr; 3279 int size, req_size; 3280 int error, flags; 3281 3282 3283 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3284 /* 3285 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3286 * CD-ROM emulation uses since the specification tells us that no such 3287 * thing is defined for DVD's. The reason for this is due to the large 3288 * number of tracks and that would clash with the `magic' values. This 3289 * suxs. 3290 * 3291 * Not all information is present and this presents a problem. 3292 * Track starts are known for each track but other values are 3293 * deducted. 3294 */ 3295 3296 /* get formatted toc to process, first header to check size */ 3297 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3298 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3299 gtoc_cmd.opcode = READ_TOC; 3300 gtoc_cmd.addr_mode = 0; /* lba's please */ 3301 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3302 gtoc_cmd.from_track = 1; /* first track */ 3303 req_size = sizeof(*toc_hdr); 3304 _lto2b(req_size, gtoc_cmd.data_len); 3305 3306 error = scsipi_command(periph, 3307 (void *)>oc_cmd, sizeof(gtoc_cmd), 3308 (void *)buffer, req_size, 3309 CDRETRIES, 30000, NULL, flags); 3310 if (error) 3311 goto out; 3312 toc_hdr = (struct scsipi_toc_header *) buffer; 3313 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3314 #ifdef DIAGNOSTIC 3315 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3316 #endif 3317 error = ENOBUFS; 3318 goto out; 3319 } 3320 3321 /* read in complete formatted toc */ 3322 req_size = _2btol(toc_hdr->length); 3323 _lto2b(req_size, gtoc_cmd.data_len); 3324 3325 error = scsipi_command(periph, 3326 (void *)>oc_cmd, sizeof(gtoc_cmd), 3327 (void *)buffer, req_size, 3328 CDRETRIES, 30000, NULL, flags); 3329 if (error) 3330 goto out; 3331 3332 toc_hdr = (struct scsipi_toc_header *) buffer; 3333 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3334 3335 /* as in read disc info, all sessions are converted to tracks */ 3336 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3337 /* last track -> we got the size from the lead-out */ 3338 3339 tracknr = 0; 3340 last_tracknr = toc_hdr->last; 3341 track_start = 0; 3342 track_size = 0; 3343 lead_out = 0; 3344 3345 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3346 while (size > 0) { 3347 /* remember, DVD-ROM: tracknr == sessionnr */ 3348 lba = _4btol(toc->msf_lba); 3349 tracknr = toc->tracknr; 3350 if (trackinfo->tracknr == tracknr) { 3351 track_start = lba; 3352 } 3353 if (trackinfo->tracknr == tracknr+1) { 3354 track_size = lba - track_start; 3355 track_size -= 16; /* link block ? */ 3356 } 3357 if (tracknr == 0xAA) { 3358 lead_out = lba; 3359 } 3360 toc++; 3361 size -= sizeof(struct scsipi_toc_formatted); 3362 } 3363 if (trackinfo->tracknr == last_tracknr) { 3364 track_size = lead_out - track_start; 3365 } 3366 3367 /* fill in */ 3368 /* trackinfo->tracknr preserved */ 3369 trackinfo->sessionnr = trackinfo->tracknr; 3370 trackinfo->track_mode = 0; /* unknown */ 3371 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3372 3373 trackinfo->flags = 0; 3374 trackinfo->track_start = track_start; 3375 trackinfo->next_writable = 0; 3376 trackinfo->free_blocks = 0; 3377 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3378 trackinfo->track_size = track_size; 3379 trackinfo->last_recorded = 0; 3380 3381 out: 3382 free(buffer, M_TEMP); 3383 return error; 3384 } 3385 3386 static int 3387 mmc_gettrackinfo(struct scsipi_periph *periph, 3388 struct mmc_trackinfo *trackinfo) 3389 { 3390 struct scsipi_read_trackinfo ti_cmd; 3391 struct scsipi_read_trackinfo_data ti; 3392 struct scsipi_get_configuration gc_cmd; 3393 struct scsipi_get_conf_data gc; 3394 int error, flags; 3395 int mmc_profile; 3396 3397 /* set up SCSI call with track number from trackinfo.tracknr */ 3398 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3399 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3400 ti_cmd.opcode = READ_TRACKINFO; 3401 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3402 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3403 3404 /* trackinfo.tracknr contains number of tracks to query */ 3405 _lto4b(trackinfo->tracknr, ti_cmd.address); 3406 error = scsipi_command(periph, 3407 (void *)&ti_cmd, sizeof(ti_cmd), 3408 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3409 CDRETRIES, 30000, NULL, flags); 3410 3411 if (error) { 3412 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3413 /* first determine mmc profile */ 3414 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3415 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3416 gc_cmd.opcode = GET_CONFIGURATION; 3417 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3418 3419 error = scsipi_command(periph, 3420 (void *)&gc_cmd, sizeof(gc_cmd), 3421 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3422 CDRETRIES, 30000, NULL, flags); 3423 if (error) 3424 return error; 3425 mmc_profile = _2btol(gc.mmc_profile); 3426 3427 /* choose emulation */ 3428 if (mmc_profile == 0x08) /* CD-ROM */ 3429 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3430 if (mmc_profile == 0x10) /* DVD-ROM */ 3431 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3432 /* CD/DVD drive is violating specs */ 3433 return EIO; 3434 } 3435 3436 /* (re)initialise structure */ 3437 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3438 3439 /* account for short returns screwing up track and session msb */ 3440 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3441 ti.track_msb = 0; 3442 ti.session_msb = 0; 3443 } 3444 3445 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3446 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3447 trackinfo->track_mode = ti.track_info_1 & 0xf; 3448 trackinfo->data_mode = ti.track_info_2 & 0xf; 3449 3450 flags = 0; 3451 if (ti.track_info_1 & 0x10) 3452 flags |= MMC_TRACKINFO_COPY; 3453 if (ti.track_info_1 & 0x20) 3454 flags |= MMC_TRACKINFO_DAMAGED; 3455 if (ti.track_info_2 & 0x10) 3456 flags |= MMC_TRACKINFO_FIXED_PACKET; 3457 if (ti.track_info_2 & 0x20) 3458 flags |= MMC_TRACKINFO_INCREMENTAL; 3459 if (ti.track_info_2 & 0x40) 3460 flags |= MMC_TRACKINFO_BLANK; 3461 if (ti.track_info_2 & 0x80) 3462 flags |= MMC_TRACKINFO_RESERVED; 3463 if (ti.data_valid & 0x01) 3464 flags |= MMC_TRACKINFO_NWA_VALID; 3465 if (ti.data_valid & 0x02) 3466 flags |= MMC_TRACKINFO_LRA_VALID; 3467 3468 trackinfo->flags = flags; 3469 trackinfo->track_start = _4btol(ti.track_start); 3470 trackinfo->next_writable = _4btol(ti.next_writable); 3471 trackinfo->free_blocks = _4btol(ti.free_blocks); 3472 trackinfo->packet_size = _4btol(ti.packet_size); 3473 trackinfo->track_size = _4btol(ti.track_size); 3474 trackinfo->last_recorded = _4btol(ti.last_recorded); 3475 3476 return 0; 3477 } 3478