1 /* $NetBSD: cd.c,v 1.273 2008/03/24 18:27:06 cube 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 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 /* 43 * Originally written by Julian Elischer (julian@tfs.com) 44 * for TRW Financial Systems for use under the MACH(2.5) operating system. 45 * 46 * TRW Financial Systems, in accordance with their agreement with Carnegie 47 * Mellon University, makes this software available to CMU to distribute 48 * or use in any manner that they see fit as long as this message is kept with 49 * the software. For this reason TFS also grants any other persons or 50 * organisations permission to use or modify this software. 51 * 52 * TFS supplies this software to be publicly redistributed 53 * on the understanding that TFS is not responsible for the correct 54 * functioning of this software in any circumstances. 55 * 56 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 57 */ 58 59 #include <sys/cdefs.h> 60 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.273 2008/03/24 18:27:06 cube Exp $"); 61 62 #include "rnd.h" 63 64 #include <sys/param.h> 65 #include <sys/systm.h> 66 #include <sys/kernel.h> 67 #include <sys/file.h> 68 #include <sys/stat.h> 69 #include <sys/ioctl.h> 70 #include <sys/buf.h> 71 #include <sys/bufq.h> 72 #include <sys/uio.h> 73 #include <sys/malloc.h> 74 #include <sys/errno.h> 75 #include <sys/device.h> 76 #include <sys/disklabel.h> 77 #include <sys/disk.h> 78 #include <sys/cdio.h> 79 #include <sys/dvdio.h> 80 #include <sys/scsiio.h> 81 #include <sys/proc.h> 82 #include <sys/conf.h> 83 #include <sys/vnode.h> 84 #if NRND > 0 85 #include <sys/rnd.h> 86 #endif 87 88 #include <dev/scsipi/scsi_spc.h> 89 #include <dev/scsipi/scsipi_all.h> 90 #include <dev/scsipi/scsipi_cd.h> 91 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 92 #include <dev/scsipi/scsi_all.h> 93 /* from there */ 94 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 95 #include <dev/scsipi/scsipiconf.h> 96 #include <dev/scsipi/scsipi_base.h> 97 #include <dev/scsipi/cdvar.h> 98 99 #define CDUNIT(z) DISKUNIT(z) 100 #define CDPART(z) DISKPART(z) 101 #define CDMINOR(unit, part) DISKMINOR(unit, part) 102 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 103 104 #define MAXTRACK 99 105 #define CD_BLOCK_OFFSET 150 106 #define CD_FRAMES 75 107 #define CD_SECS 60 108 109 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 110 #define CD_TOC_MSINFO 1 /* multi-session info */ 111 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 112 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 113 #define CD_TOC_ATIP 4 /* pressed space of recordable */ 114 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 115 116 struct cd_formatted_toc { 117 struct ioc_toc_header header; 118 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 119 /* leadout */ 120 }; 121 122 struct cdbounce { 123 struct buf *obp; /* original buf */ 124 int doff; /* byte offset in orig. buf */ 125 int soff; /* byte offset in bounce buf */ 126 int resid; /* residual i/o in orig. buf */ 127 int bcount; /* actual obp bytes in bounce */ 128 }; 129 130 static void cdstart(struct scsipi_periph *); 131 static void cdrestart(void *); 132 static void cdminphys(struct buf *); 133 static void cdgetdefaultlabel(struct cd_softc *, struct cd_formatted_toc *, 134 struct disklabel *); 135 static void cdgetdisklabel(struct cd_softc *); 136 static void cddone(struct scsipi_xfer *, int); 137 static void cdbounce(struct buf *); 138 static int cd_interpret_sense(struct scsipi_xfer *); 139 static u_long cd_size(struct cd_softc *, int); 140 static int cd_play(struct cd_softc *, int, int); 141 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 142 int, int, int, int); 143 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 144 static int cd_pause(struct cd_softc *, int); 145 static int cd_reset(struct cd_softc *); 146 static int cd_read_subchannel(struct cd_softc *, int, int, int, 147 struct cd_sub_channel_info *, int, int); 148 static int cd_read_toc(struct cd_softc *, int, int, int, 149 struct cd_formatted_toc *, int, int, int); 150 static int cd_get_parms(struct cd_softc *, int); 151 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 152 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 153 154 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 155 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 156 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 157 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 158 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 159 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 160 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 161 162 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 163 int, int *); 164 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 165 int, int); 166 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 167 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 168 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 169 static int cd_set_pa_immed(struct cd_softc *, int); 170 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 171 static int cd_setblksize(struct cd_softc *); 172 173 static int cdmatch(device_t, cfdata_t, void *); 174 static void cdattach(device_t, device_t, void *); 175 static int cdactivate(device_t, enum devact); 176 static int cddetach(device_t, int); 177 178 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 179 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 180 181 CFATTACH_DECL_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 182 cdactivate); 183 184 extern struct cfdriver cd_cd; 185 186 static const struct scsipi_inquiry_pattern cd_patterns[] = { 187 {T_CDROM, T_REMOV, 188 "", "", ""}, 189 {T_WORM, T_REMOV, 190 "", "", ""}, 191 #if 0 192 {T_CDROM, T_REMOV, /* more luns */ 193 "PIONEER ", "CD-ROM DRM-600 ", ""}, 194 #endif 195 {T_DIRECT, T_REMOV, 196 "NEC CD-ROM DRIVE:260", "", ""}, 197 }; 198 199 static dev_type_open(cdopen); 200 static dev_type_close(cdclose); 201 static dev_type_read(cdread); 202 static dev_type_write(cdwrite); 203 static dev_type_ioctl(cdioctl); 204 static dev_type_strategy(cdstrategy); 205 static dev_type_dump(cddump); 206 static dev_type_size(cdsize); 207 208 const struct bdevsw cd_bdevsw = { 209 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 210 }; 211 212 const struct cdevsw cd_cdevsw = { 213 cdopen, cdclose, cdread, cdwrite, cdioctl, 214 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 215 }; 216 217 static struct dkdriver cddkdriver = { cdstrategy, NULL }; 218 219 static const struct scsipi_periphsw cd_switch = { 220 cd_interpret_sense, /* use our error handler first */ 221 cdstart, /* we have a queue, which is started by this */ 222 NULL, /* we do not have an async handler */ 223 cddone, /* deal with stats at interrupt time */ 224 }; 225 226 /* 227 * The routine called by the low level scsi routine when it discovers 228 * A device suitable for this driver 229 */ 230 static int 231 cdmatch(device_t parent, cfdata_t match, void *aux) 232 { 233 struct scsipibus_attach_args *sa = aux; 234 int priority; 235 236 (void)scsipi_inqmatch(&sa->sa_inqbuf, 237 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 238 sizeof(cd_patterns[0]), &priority); 239 240 return (priority); 241 } 242 243 static void 244 cdattach(device_t parent, device_t self, void *aux) 245 { 246 struct cd_softc *cd = device_private(self); 247 struct scsipibus_attach_args *sa = aux; 248 struct scsipi_periph *periph = sa->sa_periph; 249 250 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 251 252 cd->sc_dev = self; 253 254 mutex_init(&cd->sc_lock, MUTEX_DEFAULT, IPL_NONE); 255 256 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 257 periph->periph_version == 0) 258 cd->flags |= CDF_ANCIENT; 259 260 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 261 262 callout_init(&cd->sc_callout, 0); 263 264 /* 265 * Store information needed to contact our base driver 266 */ 267 cd->sc_periph = periph; 268 269 periph->periph_dev = cd->sc_dev; 270 periph->periph_switch = &cd_switch; 271 272 /* 273 * Increase our openings to the maximum-per-periph 274 * supported by the adapter. This will either be 275 * clamped down or grown by the adapter if necessary. 276 */ 277 periph->periph_openings = 278 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 279 periph->periph_flags |= PERIPH_GROW_OPENINGS; 280 281 /* 282 * Initialize and attach the disk structure. 283 */ 284 disk_init(&cd->sc_dk, device_xname(cd->sc_dev), &cddkdriver); 285 disk_attach(&cd->sc_dk); 286 287 printf("\n"); 288 289 #if NRND > 0 290 rnd_attach_source(&cd->rnd_source, device_xname(cd->sc_dev), 291 RND_TYPE_DISK, 0); 292 #endif 293 294 if (!pmf_device_register(self, NULL, NULL)) 295 aprint_error_dev(self, "couldn't establish power handler\n"); 296 } 297 298 static int 299 cdactivate(device_t self, enum devact act) 300 { 301 int rv = 0; 302 303 switch (act) { 304 case DVACT_ACTIVATE: 305 rv = EOPNOTSUPP; 306 break; 307 308 case DVACT_DEACTIVATE: 309 /* 310 * Nothing to do; we key off the device's DVF_ACTIVE. 311 */ 312 break; 313 } 314 return (rv); 315 } 316 317 static int 318 cddetach(device_t self, int flags) 319 { 320 struct cd_softc *cd = device_private(self); 321 int s, bmaj, cmaj, i, mn; 322 323 /* locate the major number */ 324 bmaj = bdevsw_lookup_major(&cd_bdevsw); 325 cmaj = cdevsw_lookup_major(&cd_cdevsw); 326 /* Nuke the vnodes for any open instances */ 327 for (i = 0; i < MAXPARTITIONS; i++) { 328 mn = CDMINOR(device_unit(self), i); 329 vdevgone(bmaj, mn, mn, VBLK); 330 vdevgone(cmaj, mn, mn, VCHR); 331 } 332 333 /* kill any pending restart */ 334 callout_stop(&cd->sc_callout); 335 336 s = splbio(); 337 338 /* Kill off any queued buffers. */ 339 bufq_drain(cd->buf_queue); 340 341 bufq_free(cd->buf_queue); 342 343 /* Kill off any pending commands. */ 344 scsipi_kill_pending(cd->sc_periph); 345 346 splx(s); 347 348 mutex_destroy(&cd->sc_lock); 349 350 /* Detach from the disk list. */ 351 disk_detach(&cd->sc_dk); 352 disk_destroy(&cd->sc_dk); 353 354 #if 0 355 /* Get rid of the shutdown hook. */ 356 if (cd->sc_sdhook != NULL) 357 shutdownhook_disestablish(cd->sc_sdhook); 358 #endif 359 360 #if NRND > 0 361 /* Unhook the entropy source. */ 362 rnd_detach_source(&cd->rnd_source); 363 #endif 364 365 return (0); 366 } 367 368 /* 369 * open the device. Make sure the partition info is a up-to-date as can be. 370 */ 371 static int 372 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 373 { 374 struct cd_softc *cd; 375 struct scsipi_periph *periph; 376 struct scsipi_adapter *adapt; 377 int part; 378 int error; 379 int rawpart; 380 381 cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 382 if (cd == NULL) 383 return (ENXIO); 384 385 periph = cd->sc_periph; 386 adapt = periph->periph_channel->chan_adapter; 387 part = CDPART(dev); 388 389 SC_DEBUG(periph, SCSIPI_DB1, 390 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, 391 CDUNIT(dev), cd_cd.cd_ndevs, CDPART(dev))); 392 393 /* 394 * If this is the first open of this device, add a reference 395 * to the adapter. 396 */ 397 if (cd->sc_dk.dk_openmask == 0 && 398 (error = scsipi_adapter_addref(adapt)) != 0) 399 return (error); 400 401 mutex_enter(&cd->sc_lock); 402 403 rawpart = (part == RAW_PART && fmt == S_IFCHR); 404 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 405 /* 406 * If any partition is open, but the disk has been invalidated, 407 * disallow further opens. 408 */ 409 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 410 !rawpart) { 411 error = EIO; 412 goto bad3; 413 } 414 } else { 415 int silent; 416 417 if (rawpart) 418 silent = XS_CTL_SILENT; 419 else 420 silent = 0; 421 422 /* Check that it is still responding and ok. */ 423 error = scsipi_test_unit_ready(periph, 424 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 425 silent); 426 427 /* 428 * Start the pack spinning if necessary. Always allow the 429 * raw parition to be opened, for raw IOCTLs. Data transfers 430 * will check for SDEV_MEDIA_LOADED. 431 */ 432 if (error == EIO) { 433 int error2; 434 435 error2 = scsipi_start(periph, SSS_START, silent); 436 switch (error2) { 437 case 0: 438 error = 0; 439 break; 440 case EIO: 441 case EINVAL: 442 break; 443 default: 444 error = error2; 445 break; 446 } 447 } 448 if (error) { 449 if (rawpart) 450 goto out; 451 goto bad3; 452 } 453 454 periph->periph_flags |= PERIPH_OPEN; 455 456 /* Lock the pack in. */ 457 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 458 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 459 SC_DEBUG(periph, SCSIPI_DB1, 460 ("cdopen: scsipi_prevent, error=%d\n", error)); 461 if (error) { 462 if (rawpart) 463 goto out; 464 goto bad; 465 } 466 467 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 468 /* Load the physical device parameters. */ 469 if (cd_get_parms(cd, 0) != 0) { 470 if (rawpart) 471 goto out; 472 error = ENXIO; 473 goto bad; 474 } 475 periph->periph_flags |= PERIPH_MEDIA_LOADED; 476 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 477 478 /* Fabricate a disk label. */ 479 cdgetdisklabel(cd); 480 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 481 } 482 } 483 484 /* Check that the partition exists. */ 485 if (part != RAW_PART && 486 (part >= cd->sc_dk.dk_label->d_npartitions || 487 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 488 error = ENXIO; 489 goto bad; 490 } 491 492 out: /* Insure only one open at a time. */ 493 switch (fmt) { 494 case S_IFCHR: 495 cd->sc_dk.dk_copenmask |= (1 << part); 496 break; 497 case S_IFBLK: 498 cd->sc_dk.dk_bopenmask |= (1 << part); 499 break; 500 } 501 cd->sc_dk.dk_openmask = 502 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 503 504 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 505 mutex_exit(&cd->sc_lock); 506 return (0); 507 508 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 509 510 bad: 511 if (cd->sc_dk.dk_openmask == 0) { 512 scsipi_prevent(periph, SPAMR_ALLOW, 513 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 514 periph->periph_flags &= ~PERIPH_OPEN; 515 } 516 517 bad3: 518 mutex_exit(&cd->sc_lock); 519 if (cd->sc_dk.dk_openmask == 0) 520 scsipi_adapter_delref(adapt); 521 return (error); 522 } 523 524 /* 525 * close the device.. only called if we are the LAST 526 * occurence of an open device 527 */ 528 static int 529 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 530 { 531 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 532 struct scsipi_periph *periph = cd->sc_periph; 533 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 534 int part = CDPART(dev); 535 536 mutex_enter(&cd->sc_lock); 537 538 switch (fmt) { 539 case S_IFCHR: 540 cd->sc_dk.dk_copenmask &= ~(1 << part); 541 break; 542 case S_IFBLK: 543 cd->sc_dk.dk_bopenmask &= ~(1 << part); 544 break; 545 } 546 cd->sc_dk.dk_openmask = 547 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 548 549 if (cd->sc_dk.dk_openmask == 0) { 550 scsipi_wait_drain(periph); 551 552 scsipi_prevent(periph, SPAMR_ALLOW, 553 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 554 XS_CTL_IGNORE_NOT_READY); 555 periph->periph_flags &= ~PERIPH_OPEN; 556 557 scsipi_wait_drain(periph); 558 559 scsipi_adapter_delref(adapt); 560 } 561 562 mutex_exit(&cd->sc_lock); 563 return (0); 564 } 565 566 /* 567 * Actually translate the requested transfer into one the physical driver can 568 * understand. The transfer is described by a buf and will include only one 569 * physical transfer. 570 */ 571 static void 572 cdstrategy(struct buf *bp) 573 { 574 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 575 struct disklabel *lp; 576 struct scsipi_periph *periph = cd->sc_periph; 577 daddr_t blkno; 578 int s; 579 580 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 581 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 582 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 583 /* 584 * If the device has been made invalid, error out 585 * maybe the media changed 586 */ 587 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 588 if (periph->periph_flags & PERIPH_OPEN) 589 bp->b_error = EIO; 590 else 591 bp->b_error = ENODEV; 592 goto done; 593 } 594 595 lp = cd->sc_dk.dk_label; 596 597 /* 598 * The transfer must be a whole number of blocks, offset must not 599 * be negative. 600 */ 601 if ((bp->b_bcount % lp->d_secsize) != 0 || 602 bp->b_blkno < 0 ) { 603 bp->b_error = EINVAL; 604 goto done; 605 } 606 /* 607 * If it's a null transfer, return immediately 608 */ 609 if (bp->b_bcount == 0) 610 goto done; 611 612 /* 613 * Do bounds checking, adjust transfer. if error, process. 614 * If end of partition, just return. 615 */ 616 if (CDPART(bp->b_dev) == RAW_PART) { 617 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 618 cd->params.disksize512) <= 0) 619 goto done; 620 } else { 621 if (bounds_check_with_label(&cd->sc_dk, bp, 622 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 623 goto done; 624 } 625 626 /* 627 * Now convert the block number to absolute and put it in 628 * terms of the device's logical block size. 629 */ 630 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 631 if (CDPART(bp->b_dev) != RAW_PART) 632 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 633 634 bp->b_rawblkno = blkno; 635 636 /* 637 * If the disklabel sector size does not match the device 638 * sector size we may need to do some extra work. 639 */ 640 if (lp->d_secsize != cd->params.blksize) { 641 642 /* 643 * If the xfer is not a multiple of the device block size 644 * or it is not block aligned, we need to bounce it. 645 */ 646 if ((bp->b_bcount % cd->params.blksize) != 0 || 647 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 648 struct cdbounce *bounce; 649 struct buf *nbp; 650 long count; 651 652 if ((bp->b_flags & B_READ) == 0) { 653 654 /* XXXX We don't support bouncing writes. */ 655 bp->b_error = EACCES; 656 goto done; 657 } 658 659 bounce = malloc(sizeof(*bounce), M_DEVBUF, M_NOWAIT); 660 if (!bounce) { 661 /* No memory -- fail the iop. */ 662 bp->b_error = ENOMEM; 663 goto done; 664 } 665 666 bounce->obp = bp; 667 bounce->resid = bp->b_bcount; 668 bounce->doff = 0; 669 count = ((blkno * lp->d_secsize) % cd->params.blksize); 670 bounce->soff = count; 671 count += bp->b_bcount; 672 count = roundup(count, cd->params.blksize); 673 bounce->bcount = bounce->resid; 674 if (count > MAXPHYS) { 675 bounce->bcount = MAXPHYS - bounce->soff; 676 count = MAXPHYS; 677 } 678 679 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 680 nbp = getiobuf(false, NULL); 681 if (!nbp) { 682 /* No memory -- fail the iop. */ 683 free(bounce, M_DEVBUF); 684 bp->b_error = ENOMEM; 685 goto done; 686 } 687 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 688 if (!nbp->b_data) { 689 /* No memory -- fail the iop. */ 690 free(bounce, M_DEVBUF); 691 putiobuf(nbp); 692 bp->b_error = ENOMEM; 693 goto done; 694 } 695 696 /* Set up the IOP to the bounce buffer. */ 697 nbp->b_error = 0; 698 nbp->b_proc = bp->b_proc; 699 nbp->b_bcount = count; 700 nbp->b_bufsize = count; 701 nbp->b_rawblkno = blkno; 702 nbp->b_flags = bp->b_flags | B_READ; 703 nbp->b_oflags = bp->b_oflags; 704 nbp->b_cflags = bp->b_cflags; 705 nbp->b_iodone = cdbounce; 706 707 /* store bounce state in b_private and use new buf */ 708 nbp->b_private = bounce; 709 710 BIO_COPYPRIO(nbp, bp); 711 712 bp = nbp; 713 714 } else { 715 /* Xfer is aligned -- just adjust the start block */ 716 bp->b_rawblkno = (blkno * lp->d_secsize) / 717 cd->params.blksize; 718 } 719 } 720 s = splbio(); 721 722 /* 723 * Place it in the queue of disk activities for this disk. 724 * 725 * XXX Only do disksort() if the current operating mode does not 726 * XXX include tagged queueing. 727 */ 728 BUFQ_PUT(cd->buf_queue, bp); 729 730 /* 731 * Tell the device to get going on the transfer if it's 732 * not doing anything, otherwise just wait for completion 733 */ 734 cdstart(cd->sc_periph); 735 736 splx(s); 737 return; 738 739 done: 740 /* 741 * Correctly set the buf to indicate a completed xfer 742 */ 743 bp->b_resid = bp->b_bcount; 744 biodone(bp); 745 } 746 747 /* 748 * cdstart looks to see if there is a buf waiting for the device 749 * and that the device is not already busy. If both are true, 750 * It deques the buf and creates a scsi command to perform the 751 * transfer in the buf. The transfer request will call scsipi_done 752 * on completion, which will in turn call this routine again 753 * so that the next queued transfer is performed. 754 * The bufs are queued by the strategy routine (cdstrategy) 755 * 756 * This routine is also called after other non-queued requests 757 * have been made of the scsi driver, to ensure that the queue 758 * continues to be drained. 759 * 760 * must be called at the correct (highish) spl level 761 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 762 */ 763 static void 764 cdstart(struct scsipi_periph *periph) 765 { 766 struct cd_softc *cd = device_private(periph->periph_dev); 767 struct buf *bp = 0; 768 struct scsipi_rw_10 cmd_big; 769 struct scsi_rw_6 cmd_small; 770 struct scsipi_generic *cmdp; 771 struct scsipi_xfer *xs; 772 int flags, nblks, cmdlen, error; 773 774 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 775 /* 776 * Check if the device has room for another command 777 */ 778 while (periph->periph_active < periph->periph_openings) { 779 /* 780 * there is excess capacity, but a special waits 781 * It'll need the adapter as soon as we clear out of the 782 * way and let it run (user level wait). 783 */ 784 if (periph->periph_flags & PERIPH_WAITING) { 785 periph->periph_flags &= ~PERIPH_WAITING; 786 wakeup((void *)periph); 787 return; 788 } 789 790 /* 791 * If the device has become invalid, abort all the 792 * reads and writes until all files have been closed and 793 * re-opened 794 */ 795 if (__predict_false( 796 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 797 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 798 bp->b_error = EIO; 799 bp->b_resid = bp->b_bcount; 800 biodone(bp); 801 continue; 802 } else { 803 return; 804 } 805 } 806 807 /* 808 * See if there is a buf with work for us to do.. 809 */ 810 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 811 return; 812 813 /* 814 * We have a buf, now we should make a command. 815 */ 816 817 nblks = howmany(bp->b_bcount, cd->params.blksize); 818 819 /* 820 * Fill out the scsi command. If the transfer will 821 * fit in a "small" cdb, use it. 822 */ 823 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 824 ((nblks & 0xff) == nblks) && 825 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 826 /* 827 * We can fit in a small cdb. 828 */ 829 memset(&cmd_small, 0, sizeof(cmd_small)); 830 cmd_small.opcode = (bp->b_flags & B_READ) ? 831 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 832 _lto3b(bp->b_rawblkno, cmd_small.addr); 833 cmd_small.length = nblks & 0xff; 834 cmdlen = sizeof(cmd_small); 835 cmdp = (struct scsipi_generic *)&cmd_small; 836 } else { 837 /* 838 * Need a large cdb. 839 */ 840 memset(&cmd_big, 0, sizeof(cmd_big)); 841 cmd_big.opcode = (bp->b_flags & B_READ) ? 842 READ_10 : WRITE_10; 843 _lto4b(bp->b_rawblkno, cmd_big.addr); 844 _lto2b(nblks, cmd_big.length); 845 cmdlen = sizeof(cmd_big); 846 cmdp = (struct scsipi_generic *)&cmd_big; 847 } 848 849 /* Instrumentation. */ 850 disk_busy(&cd->sc_dk); 851 852 /* 853 * Figure out what flags to use. 854 */ 855 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 856 if (bp->b_flags & B_READ) 857 flags |= XS_CTL_DATA_IN; 858 else 859 flags |= XS_CTL_DATA_OUT; 860 861 /* 862 * Call the routine that chats with the adapter. 863 * Note: we cannot sleep as we may be an interrupt 864 */ 865 xs = scsipi_make_xs(periph, cmdp, cmdlen, 866 (u_char *)bp->b_data, bp->b_bcount, 867 CDRETRIES, 30000, bp, flags); 868 if (__predict_false(xs == NULL)) { 869 /* 870 * out of memory. Keep this buffer in the queue, and 871 * retry later. 872 */ 873 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 874 periph); 875 return; 876 } 877 /* 878 * need to dequeue the buffer before queuing the command, 879 * because cdstart may be called recursively from the 880 * HBA driver 881 */ 882 #ifdef DIAGNOSTIC 883 if (BUFQ_GET(cd->buf_queue) != bp) 884 panic("cdstart(): dequeued wrong buf"); 885 #else 886 BUFQ_GET(cd->buf_queue); 887 #endif 888 error = scsipi_execute_xs(xs); 889 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 890 KASSERT(error == 0); 891 } 892 } 893 894 static void 895 cdrestart(void *v) 896 { 897 int s = splbio(); 898 cdstart((struct scsipi_periph *)v); 899 splx(s); 900 } 901 902 static void 903 cddone(struct scsipi_xfer *xs, int error) 904 { 905 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 906 struct buf *bp = xs->bp; 907 908 if (bp) { 909 /* note, bp->b_resid is NOT initialised */ 910 bp->b_error = error; 911 bp->b_resid = xs->resid; 912 if (error) { 913 /* on a read/write error bp->b_resid is zero, so fix */ 914 bp->b_resid = bp->b_bcount; 915 } 916 917 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 918 (bp->b_flags & B_READ)); 919 #if NRND > 0 920 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 921 #endif 922 923 biodone(bp); 924 } 925 } 926 927 static void 928 cdbounce(struct buf *bp) 929 { 930 struct cdbounce *bounce = (struct cdbounce *)bp->b_private; 931 struct buf *obp = bounce->obp; 932 struct cd_softc *cd = 933 device_private(cd_cd.cd_devs[CDUNIT(obp->b_dev)]); 934 struct disklabel *lp = cd->sc_dk.dk_label; 935 936 if (bp->b_error != 0) { 937 /* EEK propagate the error and free the memory */ 938 goto done; 939 } 940 941 KASSERT(obp->b_flags & B_READ); 942 943 /* copy bounce buffer to final destination */ 944 memcpy((char *)obp->b_data + bounce->doff, 945 (char *)bp->b_data + bounce->soff, bounce->bcount); 946 947 /* check if we need more I/O, i.e. bounce put us over MAXPHYS */ 948 KASSERT(bounce->resid >= bounce->bcount); 949 bounce->resid -= bounce->bcount; 950 if (bounce->resid > 0) { 951 struct buf *nbp; 952 daddr_t blkno; 953 long count; 954 int s; 955 956 blkno = obp->b_rawblkno + 957 ((obp->b_bcount - bounce->resid) / lp->d_secsize); 958 count = ((blkno * lp->d_secsize) % cd->params.blksize); 959 blkno = (blkno * lp->d_secsize) / cd->params.blksize; 960 bounce->soff = count; 961 bounce->doff += bounce->bcount; 962 count += bounce->resid; 963 count = roundup(count, cd->params.blksize); 964 bounce->bcount = bounce->resid; 965 if (count > MAXPHYS) { 966 bounce->bcount = MAXPHYS - bounce->soff; 967 count = MAXPHYS; 968 } 969 970 nbp = getiobuf(false, NULL); 971 if (!nbp) { 972 /* No memory -- fail the iop. */ 973 bp->b_error = ENOMEM; 974 goto done; 975 } 976 977 /* Set up the IOP to the bounce buffer. */ 978 nbp->b_error = 0; 979 nbp->b_proc = obp->b_proc; 980 nbp->b_bcount = count; 981 nbp->b_bufsize = count; 982 nbp->b_data = bp->b_data; 983 nbp->b_rawblkno = blkno; 984 nbp->b_flags = obp->b_flags | B_READ; 985 nbp->b_oflags = obp->b_oflags; 986 nbp->b_cflags = obp->b_cflags; 987 nbp->b_iodone = cdbounce; 988 989 /* store bounce state in b_private and use new buf */ 990 nbp->b_private = bounce; 991 992 BIO_COPYPRIO(nbp, obp); 993 994 bp->b_data = NULL; 995 putiobuf(bp); 996 997 /* enqueue the request and return */ 998 s = splbio(); 999 BUFQ_PUT(cd->buf_queue, nbp); 1000 cdstart(cd->sc_periph); 1001 splx(s); 1002 1003 return; 1004 } 1005 1006 done: 1007 obp->b_error = bp->b_error; 1008 obp->b_resid = bp->b_resid; 1009 free(bp->b_data, M_DEVBUF); 1010 free(bounce, M_DEVBUF); 1011 bp->b_data = NULL; 1012 putiobuf(bp); 1013 biodone(obp); 1014 } 1015 1016 static int 1017 cd_interpret_sense(struct scsipi_xfer *xs) 1018 { 1019 struct scsipi_periph *periph = xs->xs_periph; 1020 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1021 int retval = EJUSTRETURN; 1022 1023 /* 1024 * If it isn't a extended or extended/deferred error, let 1025 * the generic code handle it. 1026 */ 1027 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1028 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1029 return (retval); 1030 1031 /* 1032 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1033 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1034 * wait a bit for the drive to spin up 1035 */ 1036 1037 if (SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY && 1038 sense->asc == 0x4 && 1039 sense->ascq == 0x01) { 1040 /* 1041 * Sleep for 5 seconds to wait for the drive to spin up 1042 */ 1043 1044 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1045 "spinup\n")); 1046 if (!callout_pending(&periph->periph_callout)) 1047 scsipi_periph_freeze(periph, 1); 1048 callout_reset(&periph->periph_callout, 1049 5 * hz, scsipi_periph_timed_thaw, periph); 1050 retval = ERESTART; 1051 } 1052 1053 /* 1054 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1055 * progress" (Sense code 0x04, 0x08), then wait for the specified 1056 * time 1057 */ 1058 1059 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1060 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1061 /* 1062 * long write in process; we could listen to the delay; but it 1063 * looks like the skey data is not always returned. 1064 */ 1065 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1066 1067 /* wait for a second and get going again */ 1068 if (!callout_pending(&periph->periph_callout)) 1069 scsipi_periph_freeze(periph, 1); 1070 callout_reset(&periph->periph_callout, 1071 1 * hz, scsipi_periph_timed_thaw, periph); 1072 retval = ERESTART; 1073 } 1074 1075 return (retval); 1076 } 1077 1078 static void 1079 cdminphys(struct buf *bp) 1080 { 1081 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1082 long xmax; 1083 1084 /* 1085 * If the device is ancient, we want to make sure that 1086 * the transfer fits into a 6-byte cdb. 1087 * 1088 * XXX Note that the SCSI-I spec says that 256-block transfers 1089 * are allowed in a 6-byte read/write, and are specified 1090 * by settng the "length" to 0. However, we're conservative 1091 * here, allowing only 255-block transfers in case an 1092 * ancient device gets confused by length == 0. A length of 0 1093 * in a 10-byte read/write actually means 0 blocks. 1094 */ 1095 if (cd->flags & CDF_ANCIENT) { 1096 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1097 1098 if (bp->b_bcount > xmax) 1099 bp->b_bcount = xmax; 1100 } 1101 1102 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1103 } 1104 1105 static int 1106 cdread(dev_t dev, struct uio *uio, int ioflag) 1107 { 1108 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1109 } 1110 1111 static int 1112 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1113 { 1114 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1115 } 1116 1117 #if 0 /* XXX Not used */ 1118 /* 1119 * conversion between minute-seconde-frame and logical block address 1120 * addresses format 1121 */ 1122 static void 1123 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1124 { 1125 u_long tmp; 1126 1127 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1128 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1129 *m = tmp / (CD_SECS * CD_FRAMES); 1130 tmp %= (CD_SECS * CD_FRAMES); 1131 *s = tmp / CD_FRAMES; 1132 *f = tmp % CD_FRAMES; 1133 } 1134 #endif /* XXX Not used */ 1135 1136 /* 1137 * Convert an hour:minute:second:frame address to a logical block adres. In 1138 * theory the number of secs/minute and number of frames/second could be 1139 * configured differently in the device as could the block offset but in 1140 * practice these values are rock solid and most drives don't even allow 1141 * theses values to be changed. 1142 */ 1143 static uint32_t 1144 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1145 { 1146 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1147 - CD_BLOCK_OFFSET; 1148 } 1149 1150 static int 1151 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1152 { 1153 struct scsipi_periph *periph = cd->sc_periph; 1154 int error; 1155 struct cd_toc_entry *cte; 1156 1157 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1158 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1159 XS_CTL_DATA_ONSTACK, 1160 0x40 /* control word for "get MS info" */); 1161 1162 if (error) 1163 return (error); 1164 1165 cte = &toc->entries[0]; 1166 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1167 cte->addr.lba = le32toh(cte->addr.lba); 1168 toc->header.len = le16toh(toc->header.len); 1169 } else { 1170 cte->addr.lba = be32toh(cte->addr.lba); 1171 toc->header.len = be16toh(toc->header.len); 1172 } 1173 1174 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1175 cte->addr.lba : 0; 1176 return 0; 1177 } 1178 1179 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1180 static int 1181 cdcachesync(struct scsipi_periph *periph, int flags) { 1182 struct scsi_synchronize_cache_10 cmd; 1183 1184 /* 1185 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1186 * and length 0 as it can't synchronise parts of the disc per spec. 1187 * We ignore ILLEGAL REQUEST in the event that the command is not 1188 * supported by the device, and poll for completion so that we know 1189 * that the cache has actually been flushed. 1190 * 1191 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1192 */ 1193 1194 memset(&cmd, 0, sizeof(cmd)); 1195 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1196 1197 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1198 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1199 } 1200 1201 static int 1202 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1203 struct cd_formatted_toc *toc) 1204 { 1205 /* READ TOC format 0 command, entries */ 1206 struct ioc_toc_header *th; 1207 struct cd_toc_entry *cte; 1208 u_int len = te->data_len; 1209 int ntracks; 1210 int error; 1211 1212 th = &toc->header; 1213 1214 if (len > sizeof(toc->entries) || 1215 len < sizeof(toc->entries[0])) 1216 return (EINVAL); 1217 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1218 te->starting_track, toc, 1219 sizeof(toc->header) + len, 1220 XS_CTL_DATA_ONSTACK, 0); 1221 if (error) 1222 return (error); 1223 if (te->address_format == CD_LBA_FORMAT) 1224 for (ntracks = 1225 th->ending_track - th->starting_track + 1; 1226 ntracks >= 0; ntracks--) { 1227 cte = &toc->entries[ntracks]; 1228 cte->addr_type = CD_LBA_FORMAT; 1229 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1230 cte->addr.lba = le32toh(cte->addr.lba); 1231 else 1232 cte->addr.lba = be32toh(cte->addr.lba); 1233 } 1234 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1235 th->len = le16toh(th->len); 1236 else 1237 th->len = be16toh(th->len); 1238 return 0; 1239 } 1240 1241 /* 1242 * Perform special action on behalf of the user. 1243 * Knows about the internals of this device 1244 */ 1245 static int 1246 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1247 { 1248 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1249 struct scsipi_periph *periph = cd->sc_periph; 1250 struct cd_formatted_toc toc; 1251 int part = CDPART(dev); 1252 int error = 0; 1253 int s; 1254 #ifdef __HAVE_OLD_DISKLABEL 1255 struct disklabel *newlabel = NULL; 1256 #endif 1257 1258 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1259 1260 /* 1261 * If the device is not valid, some IOCTLs can still be 1262 * handled on the raw partition. Check this here. 1263 */ 1264 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1265 switch (cmd) { 1266 case DIOCWLABEL: 1267 case DIOCLOCK: 1268 case ODIOCEJECT: 1269 case DIOCEJECT: 1270 case DIOCCACHESYNC: 1271 case SCIOCIDENTIFY: 1272 case OSCIOCIDENTIFY: 1273 case SCIOCCOMMAND: 1274 case SCIOCDEBUG: 1275 case CDIOCGETVOL: 1276 case CDIOCSETVOL: 1277 case CDIOCSETMONO: 1278 case CDIOCSETSTEREO: 1279 case CDIOCSETMUTE: 1280 case CDIOCSETLEFT: 1281 case CDIOCSETRIGHT: 1282 case CDIOCCLOSE: 1283 case CDIOCEJECT: 1284 case CDIOCALLOW: 1285 case CDIOCPREVENT: 1286 case CDIOCSETDEBUG: 1287 case CDIOCCLRDEBUG: 1288 case CDIOCRESET: 1289 case SCIOCRESET: 1290 case CDIOCLOADUNLOAD: 1291 case DVD_AUTH: 1292 case DVD_READ_STRUCT: 1293 case DIOCGSTRATEGY: 1294 case DIOCSSTRATEGY: 1295 if (part == RAW_PART) 1296 break; 1297 /* FALLTHROUGH */ 1298 default: 1299 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1300 return (ENODEV); 1301 else 1302 return (EIO); 1303 } 1304 } 1305 1306 switch (cmd) { 1307 case DIOCGDINFO: 1308 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1309 return (0); 1310 #ifdef __HAVE_OLD_DISKLABEL 1311 case ODIOCGDINFO: 1312 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1313 if (newlabel == NULL) 1314 return (EIO); 1315 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1316 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1317 error = ENOTTY; 1318 else 1319 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1320 free(newlabel, M_TEMP); 1321 return error; 1322 #endif 1323 1324 case DIOCGPART: 1325 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1326 ((struct partinfo *)addr)->part = 1327 &cd->sc_dk.dk_label->d_partitions[part]; 1328 return (0); 1329 1330 case DIOCWDINFO: 1331 case DIOCSDINFO: 1332 #ifdef __HAVE_OLD_DISKLABEL 1333 case ODIOCWDINFO: 1334 case ODIOCSDINFO: 1335 #endif 1336 { 1337 struct disklabel *lp; 1338 1339 if ((flag & FWRITE) == 0) 1340 return (EBADF); 1341 1342 #ifdef __HAVE_OLD_DISKLABEL 1343 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1344 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1345 if (newlabel == NULL) 1346 return (EIO); 1347 memset(newlabel, 0, sizeof newlabel); 1348 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1349 lp = newlabel; 1350 } else 1351 #endif 1352 lp = addr; 1353 1354 mutex_enter(&cd->sc_lock); 1355 cd->flags |= CDF_LABELLING; 1356 1357 error = setdisklabel(cd->sc_dk.dk_label, 1358 lp, /*cd->sc_dk.dk_openmask : */0, 1359 cd->sc_dk.dk_cpulabel); 1360 if (error == 0) { 1361 /* XXX ? */ 1362 } 1363 1364 cd->flags &= ~CDF_LABELLING; 1365 mutex_exit(&cd->sc_lock); 1366 #ifdef __HAVE_OLD_DISKLABEL 1367 if (newlabel != NULL) 1368 free(newlabel, M_TEMP); 1369 #endif 1370 return (error); 1371 } 1372 1373 case DIOCWLABEL: 1374 return (EBADF); 1375 1376 case DIOCGDEFLABEL: 1377 cdgetdefaultlabel(cd, &toc, addr); 1378 return (0); 1379 1380 #ifdef __HAVE_OLD_DISKLABEL 1381 case ODIOCGDEFLABEL: 1382 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1383 if (newlabel == NULL) 1384 return (EIO); 1385 cdgetdefaultlabel(cd, &toc, newlabel); 1386 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1387 error = ENOTTY; 1388 else 1389 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1390 free(newlabel, M_TEMP); 1391 return error; 1392 #endif 1393 1394 case CDIOCPLAYTRACKS: { 1395 /* PLAY_MSF command */ 1396 struct ioc_play_track *args = addr; 1397 1398 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1399 return (error); 1400 return (cd_play_tracks(cd, &toc, args->start_track, 1401 args->start_index, args->end_track, args->end_index)); 1402 } 1403 case CDIOCPLAYMSF: { 1404 /* PLAY_MSF command */ 1405 struct ioc_play_msf *args = addr; 1406 1407 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1408 return (error); 1409 return (cd_play_msf(cd, args->start_m, args->start_s, 1410 args->start_f, args->end_m, args->end_s, args->end_f)); 1411 } 1412 case CDIOCPLAYBLOCKS: { 1413 /* PLAY command */ 1414 struct ioc_play_blocks *args = addr; 1415 1416 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1417 return (error); 1418 return (cd_play(cd, args->blk, args->len)); 1419 } 1420 case CDIOCREADSUBCHANNEL: { 1421 /* READ_SUBCHANNEL command */ 1422 struct ioc_read_subchannel *args = addr; 1423 struct cd_sub_channel_info data; 1424 u_int len = args->data_len; 1425 1426 if (len > sizeof(data) || 1427 len < sizeof(struct cd_sub_channel_header)) 1428 return (EINVAL); 1429 error = cd_read_subchannel(cd, args->address_format, 1430 args->data_format, args->track, &data, len, 1431 XS_CTL_DATA_ONSTACK); 1432 if (error) 1433 return (error); 1434 len = min(len, _2btol(data.header.data_len) + 1435 sizeof(struct cd_sub_channel_header)); 1436 return (copyout(&data, args->data, len)); 1437 } 1438 case CDIOCREADSUBCHANNEL_BUF: { 1439 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1440 struct ioc_read_subchannel_buf *args = addr; 1441 if (args->req.data_len != sizeof args->info) 1442 return EINVAL; 1443 return cd_read_subchannel(cd, args->req.address_format, 1444 args->req.data_format, args->req.track, &args->info, 1445 sizeof args->info, XS_CTL_DATA_ONSTACK); 1446 } 1447 case CDIOREADTOCHEADER: { 1448 /* READ TOC format 0 command, static header */ 1449 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1450 &toc, sizeof(toc.header), 1451 XS_CTL_DATA_ONSTACK, 0)) != 0) 1452 return (error); 1453 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1454 toc.header.len = le16toh(toc.header.len); 1455 else 1456 toc.header.len = be16toh(toc.header.len); 1457 memcpy(addr, &toc.header, sizeof(toc.header)); 1458 return (0); 1459 } 1460 case CDIOREADTOCENTRYS: { 1461 struct ioc_read_toc_entry *te = addr; 1462 error = do_cdioreadentries(cd, te, &toc); 1463 if (error != 0) 1464 return error; 1465 return copyout(toc.entries, te->data, min(te->data_len, 1466 toc.header.len - (sizeof(toc.header.starting_track) 1467 + sizeof(toc.header.ending_track)))); 1468 } 1469 case CDIOREADTOCENTRIES_BUF: { 1470 struct ioc_read_toc_entry_buf *te = addr; 1471 error = do_cdioreadentries(cd, &te->req, &toc); 1472 if (error != 0) 1473 return error; 1474 memcpy(te->entry, toc.entries, min(te->req.data_len, 1475 toc.header.len - (sizeof(toc.header.starting_track) 1476 + sizeof(toc.header.ending_track)))); 1477 return 0; 1478 } 1479 case CDIOREADMSADDR: { 1480 /* READ TOC format 0 command, length of first track only */ 1481 int sessno = *(int*)addr; 1482 1483 if (sessno != 0) 1484 return (EINVAL); 1485 1486 return (cdreadmsaddr(cd, &toc, addr)); 1487 } 1488 case CDIOCSETPATCH: { 1489 struct ioc_patch *arg = addr; 1490 1491 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1492 arg->patch[2], arg->patch[3], 0)); 1493 } 1494 case CDIOCGETVOL: { 1495 /* MODE SENSE command (AUDIO page) */ 1496 struct ioc_vol *arg = addr; 1497 1498 return (cd_getvol(cd, arg, 0)); 1499 } 1500 case CDIOCSETVOL: { 1501 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1502 struct ioc_vol *arg = addr; 1503 1504 return (cd_setvol(cd, arg, 0)); 1505 } 1506 case CDIOCSETMONO: 1507 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1508 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1509 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1510 1511 case CDIOCSETSTEREO: 1512 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1513 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1514 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1515 1516 case CDIOCSETMUTE: 1517 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1518 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1519 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1520 1521 case CDIOCSETLEFT: 1522 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1523 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1524 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1525 1526 case CDIOCSETRIGHT: 1527 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1528 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1529 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1530 1531 case CDIOCRESUME: 1532 /* PAUSE command */ 1533 return (cd_pause(cd, PA_RESUME)); 1534 case CDIOCPAUSE: 1535 /* PAUSE command */ 1536 return (cd_pause(cd, PA_PAUSE)); 1537 case CDIOCSTART: 1538 return (scsipi_start(periph, SSS_START, 0)); 1539 case CDIOCSTOP: 1540 return (scsipi_start(periph, SSS_STOP, 0)); 1541 case CDIOCCLOSE: 1542 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1543 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1544 case DIOCEJECT: 1545 if (*(int *)addr == 0) { 1546 /* 1547 * Don't force eject: check that we are the only 1548 * partition open. If so, unlock it. 1549 */ 1550 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1551 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1552 cd->sc_dk.dk_openmask) { 1553 error = scsipi_prevent(periph, SPAMR_ALLOW, 1554 XS_CTL_IGNORE_NOT_READY); 1555 if (error) 1556 return (error); 1557 } else { 1558 return (EBUSY); 1559 } 1560 } 1561 /* FALLTHROUGH */ 1562 case CDIOCEJECT: /* FALLTHROUGH */ 1563 case ODIOCEJECT: 1564 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1565 case DIOCCACHESYNC: 1566 /* SYNCHRONISE CACHES command */ 1567 return (cdcachesync(periph, 0)); 1568 case CDIOCALLOW: 1569 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1570 case CDIOCPREVENT: 1571 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1572 case DIOCLOCK: 1573 return (scsipi_prevent(periph, 1574 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1575 case CDIOCSETDEBUG: 1576 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1577 return (0); 1578 case CDIOCCLRDEBUG: 1579 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1580 return (0); 1581 case CDIOCRESET: 1582 case SCIOCRESET: 1583 return (cd_reset(cd)); 1584 case CDIOCLOADUNLOAD: 1585 /* LOAD_UNLOAD command */ 1586 return (cd_load_unload(cd, addr)); 1587 case DVD_AUTH: 1588 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1589 return (dvd_auth(cd, addr)); 1590 case DVD_READ_STRUCT: 1591 /* GPCMD_READ_DVD_STRUCTURE command */ 1592 return (dvd_read_struct(cd, addr)); 1593 case MMCGETDISCINFO: 1594 /* 1595 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1596 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1597 */ 1598 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1599 case MMCGETTRACKINFO: 1600 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1601 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1602 case DIOCGSTRATEGY: 1603 { 1604 struct disk_strategy *dks = addr; 1605 1606 s = splbio(); 1607 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1608 sizeof(dks->dks_name)); 1609 splx(s); 1610 dks->dks_paramlen = 0; 1611 1612 return 0; 1613 } 1614 case DIOCSSTRATEGY: 1615 { 1616 struct disk_strategy *dks = addr; 1617 struct bufq_state *new; 1618 struct bufq_state *old; 1619 1620 if ((flag & FWRITE) == 0) { 1621 return EBADF; 1622 } 1623 if (dks->dks_param != NULL) { 1624 return EINVAL; 1625 } 1626 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1627 error = bufq_alloc(&new, dks->dks_name, 1628 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1629 if (error) { 1630 return error; 1631 } 1632 s = splbio(); 1633 old = cd->buf_queue; 1634 bufq_move(new, old); 1635 cd->buf_queue = new; 1636 splx(s); 1637 bufq_free(old); 1638 1639 return 0; 1640 } 1641 default: 1642 if (part != RAW_PART) 1643 return (ENOTTY); 1644 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1645 } 1646 1647 #ifdef DIAGNOSTIC 1648 panic("cdioctl: impossible"); 1649 #endif 1650 } 1651 1652 static void 1653 cdgetdefaultlabel(struct cd_softc *cd, struct cd_formatted_toc *toc, 1654 struct disklabel *lp) 1655 { 1656 int lastsession; 1657 1658 memset(lp, 0, sizeof(struct disklabel)); 1659 1660 lp->d_secsize = cd->params.blksize; 1661 lp->d_ntracks = 1; 1662 lp->d_nsectors = 100; 1663 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1664 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1665 1666 switch (scsipi_periph_bustype(cd->sc_periph)) { 1667 case SCSIPI_BUSTYPE_SCSI: 1668 lp->d_type = DTYPE_SCSI; 1669 break; 1670 case SCSIPI_BUSTYPE_ATAPI: 1671 lp->d_type = DTYPE_ATAPI; 1672 break; 1673 } 1674 /* 1675 * XXX 1676 * We could probe the mode pages to figure out what kind of disc it is. 1677 * Is this worthwhile? 1678 */ 1679 strncpy(lp->d_typename, "mydisc", 16); 1680 strncpy(lp->d_packname, "fictitious", 16); 1681 lp->d_secperunit = cd->params.disksize; 1682 lp->d_rpm = 300; 1683 lp->d_interleave = 1; 1684 lp->d_flags = D_REMOVABLE; 1685 1686 if (cdreadmsaddr(cd, toc, &lastsession) != 0) 1687 lastsession = 0; 1688 1689 lp->d_partitions[0].p_offset = 0; 1690 lp->d_partitions[0].p_size = lp->d_secperunit; 1691 lp->d_partitions[0].p_cdsession = lastsession; 1692 lp->d_partitions[0].p_fstype = FS_ISO9660; 1693 lp->d_partitions[RAW_PART].p_offset = 0; 1694 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1695 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1696 lp->d_npartitions = RAW_PART + 1; 1697 1698 lp->d_magic = DISKMAGIC; 1699 lp->d_magic2 = DISKMAGIC; 1700 lp->d_checksum = dkcksum(lp); 1701 } 1702 1703 /* 1704 * Load the label information on the named device 1705 * Actually fabricate a disklabel 1706 * 1707 * EVENTUALLY take information about different 1708 * data tracks from the TOC and put it in the disklabel 1709 */ 1710 static void 1711 cdgetdisklabel(struct cd_softc *cd) 1712 { 1713 struct disklabel *lp = cd->sc_dk.dk_label; 1714 struct cd_formatted_toc toc; 1715 const char *errstring; 1716 1717 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1718 1719 cdgetdefaultlabel(cd, &toc, lp); 1720 1721 /* 1722 * Call the generic disklabel extraction routine 1723 */ 1724 errstring = readdisklabel(MAKECDDEV(0, device_unit(cd->sc_dev), 1725 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1726 1727 /* if all went OK, we are passed a NULL error string */ 1728 if (errstring == NULL) 1729 return; 1730 1731 /* Reset to default label -- after printing error and the warning */ 1732 aprint_error_dev(cd->sc_dev, "%s\n", errstring); 1733 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1734 cdgetdefaultlabel(cd, &toc, lp); 1735 } 1736 1737 /* 1738 * Reading a discs total capacity is aparently a very difficult issue for the 1739 * SCSI standardisation group. Every disc type seems to have its own 1740 * (re)invented size request method and modifiers. The failsafe way of 1741 * determining the total (max) capacity i.e. not the recorded capacity but the 1742 * total maximum capacity is to request the info on the last track and 1743 * calucate the total size. 1744 * 1745 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1746 * we count. 1747 */ 1748 static int 1749 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1750 { 1751 struct scsipi_read_cd_capacity cap_cmd; 1752 struct scsipi_read_cd_cap_data cap; 1753 struct scsipi_read_discinfo di_cmd; 1754 struct scsipi_read_discinfo_data di; 1755 struct scsipi_read_trackinfo ti_cmd; 1756 struct scsipi_read_trackinfo_data ti; 1757 uint32_t track_start, track_size; 1758 int error, flags, msb, lsb, last_track; 1759 1760 /* if the device doesn't grog capacity, return the dummies */ 1761 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1762 return 0; 1763 1764 /* first try read CD capacity for blksize and recorded size */ 1765 /* issue the cd capacity request */ 1766 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1767 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1768 cap_cmd.opcode = READ_CD_CAPACITY; 1769 1770 error = scsipi_command(periph, 1771 (void *) &cap_cmd, sizeof(cap_cmd), 1772 (void *) &cap, sizeof(cap), 1773 CDRETRIES, 30000, NULL, flags); 1774 if (error) 1775 return error; 1776 1777 /* retrieve values and sanity check them */ 1778 *blksize = _4btol(cap.length); 1779 *size = _4btol(cap.addr); 1780 1781 /* blksize is 2048 for CD, but some drives give gibberish */ 1782 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1783 *blksize = 2048; /* some drives lie ! */ 1784 1785 /* recordables have READ_DISCINFO implemented */ 1786 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1787 memset(&di_cmd, 0, sizeof(di_cmd)); 1788 di_cmd.opcode = READ_DISCINFO; 1789 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1790 1791 error = scsipi_command(periph, 1792 (void *) &di_cmd, sizeof(di_cmd), 1793 (void *) &di, READ_DISCINFO_BIGSIZE, 1794 CDRETRIES, 30000, NULL, flags); 1795 if (error == 0) { 1796 msb = di.last_track_last_session_msb; 1797 lsb = di.last_track_last_session_lsb; 1798 last_track = (msb << 8) | lsb; 1799 1800 /* request info on last track */ 1801 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1802 ti_cmd.opcode = READ_TRACKINFO; 1803 ti_cmd.addr_type = 1; /* on tracknr */ 1804 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1805 _lto2b(sizeof(ti), ti_cmd.data_len); 1806 1807 error = scsipi_command(periph, 1808 (void *) &ti_cmd, sizeof(ti_cmd), 1809 (void *) &ti, sizeof(ti), 1810 CDRETRIES, 30000, NULL, flags); 1811 if (error == 0) { 1812 track_start = _4btol(ti.track_start); 1813 track_size = _4btol(ti.track_size); 1814 1815 /* overwrite only with a sane value */ 1816 if (track_start + track_size >= 100) 1817 *size = track_start + track_size; 1818 } 1819 } 1820 1821 /* sanity check for size */ 1822 if (*size < 100) 1823 *size = 400000; 1824 1825 return 0; 1826 } 1827 1828 /* 1829 * Find out from the device what it's capacity is 1830 */ 1831 static u_long 1832 cd_size(struct cd_softc *cd, int flags) 1833 { 1834 u_int blksize; 1835 u_long size; 1836 int error; 1837 1838 /* set up fake values */ 1839 blksize = 2048; 1840 size = 400000; 1841 1842 /* if this function bounces with an error return fake value */ 1843 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1844 if (error) 1845 return size; 1846 1847 if (blksize != 2048) { 1848 if (cd_setblksize(cd) == 0) 1849 blksize = 2048; 1850 } 1851 cd->params.blksize = blksize; 1852 cd->params.disksize = size; 1853 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1854 1855 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1856 ("cd_size: %u %lu\n", blksize, size)); 1857 1858 return size; 1859 } 1860 1861 /* 1862 * Get scsi driver to send a "start playing" command 1863 */ 1864 static int 1865 cd_play(struct cd_softc *cd, int blkno, int nblks) 1866 { 1867 struct scsipi_play cmd; 1868 1869 memset(&cmd, 0, sizeof(cmd)); 1870 cmd.opcode = PLAY; 1871 _lto4b(blkno, cmd.blk_addr); 1872 _lto2b(nblks, cmd.xfer_len); 1873 1874 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1875 CDRETRIES, 30000, NULL, 0)); 1876 } 1877 1878 /* 1879 * Get scsi driver to send a "start playing" command 1880 */ 1881 static int 1882 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1883 int sindex, int etrack, int eindex) 1884 { 1885 int error; 1886 1887 if (!etrack) 1888 return (EIO); 1889 if (strack > etrack) 1890 return (EINVAL); 1891 1892 error = cd_load_toc(cd, CD_TOC_FORM, toc, XS_CTL_DATA_ONSTACK); 1893 if (error) 1894 return (error); 1895 1896 if (++etrack > (toc->header.ending_track+1)) 1897 etrack = toc->header.ending_track+1; 1898 1899 strack -= toc->header.starting_track; 1900 etrack -= toc->header.starting_track; 1901 if (strack < 0) 1902 return (EINVAL); 1903 1904 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1905 toc->entries[strack].addr.msf.second, 1906 toc->entries[strack].addr.msf.frame, 1907 toc->entries[etrack].addr.msf.minute, 1908 toc->entries[etrack].addr.msf.second, 1909 toc->entries[etrack].addr.msf.frame)); 1910 } 1911 1912 /* 1913 * Get scsi driver to send a "play msf" command 1914 */ 1915 static int 1916 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1917 int ends, int endf) 1918 { 1919 struct scsipi_play_msf cmd; 1920 1921 memset(&cmd, 0, sizeof(cmd)); 1922 cmd.opcode = PLAY_MSF; 1923 cmd.start_m = startm; 1924 cmd.start_s = starts; 1925 cmd.start_f = startf; 1926 cmd.end_m = endm; 1927 cmd.end_s = ends; 1928 cmd.end_f = endf; 1929 1930 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1931 CDRETRIES, 30000, NULL, 0)); 1932 } 1933 1934 /* 1935 * Get scsi driver to send a "start up" command 1936 */ 1937 static int 1938 cd_pause(struct cd_softc *cd, int go) 1939 { 1940 struct scsipi_pause cmd; 1941 1942 memset(&cmd, 0, sizeof(cmd)); 1943 cmd.opcode = PAUSE; 1944 cmd.resume = go & 0xff; 1945 1946 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1947 CDRETRIES, 30000, NULL, 0)); 1948 } 1949 1950 /* 1951 * Get scsi driver to send a "RESET" command 1952 */ 1953 static int 1954 cd_reset(struct cd_softc *cd) 1955 { 1956 1957 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1958 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1959 } 1960 1961 /* 1962 * Read subchannel 1963 */ 1964 static int 1965 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1966 struct cd_sub_channel_info *data, int len, int flags) 1967 { 1968 struct scsipi_read_subchannel cmd; 1969 1970 memset(&cmd, 0, sizeof(cmd)); 1971 cmd.opcode = READ_SUBCHANNEL; 1972 if (mode == CD_MSF_FORMAT) 1973 cmd.byte2 |= CD_MSF; 1974 cmd.byte3 = SRS_SUBQ; 1975 cmd.subchan_format = format; 1976 cmd.track = track; 1977 _lto2b(len, cmd.data_len); 1978 1979 return (scsipi_command(cd->sc_periph, 1980 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1981 (void *)data, len, 1982 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1983 } 1984 1985 /* 1986 * Read table of contents 1987 */ 1988 static int 1989 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1990 struct cd_formatted_toc *toc, int len, int flags, int control) 1991 { 1992 struct scsipi_read_toc cmd; 1993 int ntoc; 1994 1995 memset(&cmd, 0, sizeof(cmd)); 1996 #if 0 1997 if (len != sizeof(struct ioc_toc_header)) 1998 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1999 sizeof(struct cd_toc_entry); 2000 else 2001 #endif 2002 ntoc = len; 2003 cmd.opcode = READ_TOC; 2004 if (mode == CD_MSF_FORMAT) 2005 cmd.addr_mode |= CD_MSF; 2006 cmd.resp_format = respf; 2007 cmd.from_track = start; 2008 _lto2b(ntoc, cmd.data_len); 2009 cmd.control = control; 2010 2011 return (scsipi_command(cd->sc_periph, 2012 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 2013 30000, NULL, flags | XS_CTL_DATA_IN)); 2014 } 2015 2016 static int 2017 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 2018 { 2019 int ntracks, len, error; 2020 2021 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 2022 flags, 0)) != 0) 2023 return (error); 2024 2025 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 2026 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 2027 sizeof(toc->header); 2028 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 2029 flags, 0)) != 0) 2030 return (error); 2031 return (0); 2032 } 2033 2034 /* 2035 * Get the scsi driver to send a full inquiry to the device and use the 2036 * results to fill out the disk parameter structure. 2037 */ 2038 static int 2039 cd_get_parms(struct cd_softc *cd, int flags) 2040 { 2041 2042 /* 2043 * give a number of sectors so that sec * trks * cyls 2044 * is <= disk_size 2045 */ 2046 if (cd_size(cd, flags) == 0) 2047 return (ENXIO); 2048 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2049 return (0); 2050 } 2051 2052 static int 2053 cdsize(dev_t dev) 2054 { 2055 2056 /* CD-ROMs are read-only. */ 2057 return (-1); 2058 } 2059 2060 static int 2061 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 2062 { 2063 2064 /* Not implemented. */ 2065 return (ENXIO); 2066 } 2067 2068 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2069 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2070 2071 static int 2072 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2073 { 2074 struct scsipi_generic cmd; 2075 u_int8_t bf[20]; 2076 int error; 2077 2078 memset(cmd.bytes, 0, 15); 2079 memset(bf, 0, sizeof(bf)); 2080 2081 switch (a->type) { 2082 case DVD_LU_SEND_AGID: 2083 cmd.opcode = GPCMD_REPORT_KEY; 2084 cmd.bytes[8] = 8; 2085 cmd.bytes[9] = 0 | (0 << 6); 2086 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2087 CDRETRIES, 30000, NULL, 2088 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2089 if (error) 2090 return (error); 2091 a->lsa.agid = bf[7] >> 6; 2092 return (0); 2093 2094 case DVD_LU_SEND_CHALLENGE: 2095 cmd.opcode = GPCMD_REPORT_KEY; 2096 cmd.bytes[8] = 16; 2097 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2098 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2099 CDRETRIES, 30000, NULL, 2100 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2101 if (error) 2102 return (error); 2103 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2104 return (0); 2105 2106 case DVD_LU_SEND_KEY1: 2107 cmd.opcode = GPCMD_REPORT_KEY; 2108 cmd.bytes[8] = 12; 2109 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2110 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2111 CDRETRIES, 30000, NULL, 2112 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2113 if (error) 2114 return (error); 2115 dvd_copy_key(a->lsk.key, &bf[4]); 2116 return (0); 2117 2118 case DVD_LU_SEND_TITLE_KEY: 2119 cmd.opcode = GPCMD_REPORT_KEY; 2120 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2121 cmd.bytes[8] = 12; 2122 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2123 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2124 CDRETRIES, 30000, NULL, 2125 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2126 if (error) 2127 return (error); 2128 a->lstk.cpm = (bf[4] >> 7) & 1; 2129 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2130 a->lstk.cgms = (bf[4] >> 4) & 3; 2131 dvd_copy_key(a->lstk.title_key, &bf[5]); 2132 return (0); 2133 2134 case DVD_LU_SEND_ASF: 2135 cmd.opcode = GPCMD_REPORT_KEY; 2136 cmd.bytes[8] = 8; 2137 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2138 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2139 CDRETRIES, 30000, NULL, 2140 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2141 if (error) 2142 return (error); 2143 a->lsasf.asf = bf[7] & 1; 2144 return (0); 2145 2146 case DVD_HOST_SEND_CHALLENGE: 2147 cmd.opcode = GPCMD_SEND_KEY; 2148 cmd.bytes[8] = 16; 2149 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2150 bf[1] = 14; 2151 dvd_copy_challenge(&bf[4], a->hsc.chal); 2152 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2153 CDRETRIES, 30000, NULL, 2154 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2155 if (error) 2156 return (error); 2157 a->type = DVD_LU_SEND_KEY1; 2158 return (0); 2159 2160 case DVD_HOST_SEND_KEY2: 2161 cmd.opcode = GPCMD_SEND_KEY; 2162 cmd.bytes[8] = 12; 2163 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2164 bf[1] = 10; 2165 dvd_copy_key(&bf[4], a->hsk.key); 2166 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2167 CDRETRIES, 30000, NULL, 2168 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2169 if (error) { 2170 a->type = DVD_AUTH_FAILURE; 2171 return (error); 2172 } 2173 a->type = DVD_AUTH_ESTABLISHED; 2174 return (0); 2175 2176 case DVD_INVALIDATE_AGID: 2177 cmd.opcode = GPCMD_REPORT_KEY; 2178 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2179 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2180 CDRETRIES, 30000, NULL, 0); 2181 if (error) 2182 return (error); 2183 return (0); 2184 2185 case DVD_LU_SEND_RPC_STATE: 2186 cmd.opcode = GPCMD_REPORT_KEY; 2187 cmd.bytes[8] = 8; 2188 cmd.bytes[9] = 8 | (0 << 6); 2189 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2190 CDRETRIES, 30000, NULL, 2191 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2192 if (error) 2193 return (error); 2194 a->lrpcs.type = (bf[4] >> 6) & 3; 2195 a->lrpcs.vra = (bf[4] >> 3) & 7; 2196 a->lrpcs.ucca = (bf[4]) & 7; 2197 a->lrpcs.region_mask = bf[5]; 2198 a->lrpcs.rpc_scheme = bf[6]; 2199 return (0); 2200 2201 case DVD_HOST_SEND_RPC_STATE: 2202 cmd.opcode = GPCMD_SEND_KEY; 2203 cmd.bytes[8] = 8; 2204 cmd.bytes[9] = 6 | (0 << 6); 2205 bf[1] = 6; 2206 bf[4] = a->hrpcs.pdrc; 2207 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2208 CDRETRIES, 30000, NULL, 2209 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2210 if (error) 2211 return (error); 2212 return (0); 2213 2214 default: 2215 return (ENOTTY); 2216 } 2217 } 2218 2219 static int 2220 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2221 { 2222 struct scsipi_generic cmd; 2223 u_int8_t bf[4 + 4 * 20], *bufp; 2224 int error; 2225 struct dvd_layer *layer; 2226 int i; 2227 2228 memset(cmd.bytes, 0, 15); 2229 memset(bf, 0, sizeof(bf)); 2230 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2231 cmd.bytes[6] = s->type; 2232 _lto2b(sizeof(bf), &cmd.bytes[7]); 2233 2234 cmd.bytes[5] = s->physical.layer_num; 2235 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2236 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2237 if (error) 2238 return (error); 2239 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2240 i++, bufp += 20, layer++) { 2241 memset(layer, 0, sizeof(*layer)); 2242 layer->book_version = bufp[0] & 0xf; 2243 layer->book_type = bufp[0] >> 4; 2244 layer->min_rate = bufp[1] & 0xf; 2245 layer->disc_size = bufp[1] >> 4; 2246 layer->layer_type = bufp[2] & 0xf; 2247 layer->track_path = (bufp[2] >> 4) & 1; 2248 layer->nlayers = (bufp[2] >> 5) & 3; 2249 layer->track_density = bufp[3] & 0xf; 2250 layer->linear_density = bufp[3] >> 4; 2251 layer->start_sector = _4btol(&bufp[4]); 2252 layer->end_sector = _4btol(&bufp[8]); 2253 layer->end_sector_l0 = _4btol(&bufp[12]); 2254 layer->bca = bufp[16] >> 7; 2255 } 2256 return (0); 2257 } 2258 2259 static int 2260 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2261 { 2262 struct scsipi_generic cmd; 2263 u_int8_t bf[8]; 2264 int error; 2265 2266 memset(cmd.bytes, 0, 15); 2267 memset(bf, 0, sizeof(bf)); 2268 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2269 cmd.bytes[6] = s->type; 2270 _lto2b(sizeof(bf), &cmd.bytes[7]); 2271 2272 cmd.bytes[5] = s->copyright.layer_num; 2273 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2274 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2275 if (error) 2276 return (error); 2277 s->copyright.cpst = bf[4]; 2278 s->copyright.rmi = bf[5]; 2279 return (0); 2280 } 2281 2282 static int 2283 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2284 { 2285 struct scsipi_generic cmd; 2286 u_int8_t *bf; 2287 int error; 2288 2289 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2290 if (bf == NULL) 2291 return EIO; 2292 memset(cmd.bytes, 0, 15); 2293 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2294 cmd.bytes[6] = s->type; 2295 _lto2b(4 + 2048, &cmd.bytes[7]); 2296 2297 cmd.bytes[9] = s->disckey.agid << 6; 2298 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2299 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2300 if (error == 0) 2301 memcpy(s->disckey.value, &bf[4], 2048); 2302 free(bf, M_TEMP); 2303 return error; 2304 } 2305 2306 static int 2307 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2308 { 2309 struct scsipi_generic cmd; 2310 u_int8_t bf[4 + 188]; 2311 int error; 2312 2313 memset(cmd.bytes, 0, 15); 2314 memset(bf, 0, sizeof(bf)); 2315 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2316 cmd.bytes[6] = s->type; 2317 _lto2b(sizeof(bf), &cmd.bytes[7]); 2318 2319 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2320 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2321 if (error) 2322 return (error); 2323 s->bca.len = _2btol(&bf[0]); 2324 if (s->bca.len < 12 || s->bca.len > 188) 2325 return (EIO); 2326 memcpy(s->bca.value, &bf[4], s->bca.len); 2327 return (0); 2328 } 2329 2330 static int 2331 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2332 { 2333 struct scsipi_generic cmd; 2334 u_int8_t *bf; 2335 int error; 2336 2337 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2338 if (bf == NULL) 2339 return (EIO); 2340 memset(cmd.bytes, 0, 15); 2341 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2342 cmd.bytes[6] = s->type; 2343 _lto2b(4 + 2048, &cmd.bytes[7]); 2344 2345 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2346 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2347 if (error == 0) { 2348 s->manufact.len = _2btol(&bf[0]); 2349 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2350 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2351 else 2352 error = EIO; 2353 } 2354 free(bf, M_TEMP); 2355 return error; 2356 } 2357 2358 static int 2359 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2360 { 2361 2362 switch (s->type) { 2363 case DVD_STRUCT_PHYSICAL: 2364 return (dvd_read_physical(cd, s)); 2365 case DVD_STRUCT_COPYRIGHT: 2366 return (dvd_read_copyright(cd, s)); 2367 case DVD_STRUCT_DISCKEY: 2368 return (dvd_read_disckey(cd, s)); 2369 case DVD_STRUCT_BCA: 2370 return (dvd_read_bca(cd, s)); 2371 case DVD_STRUCT_MANUFACT: 2372 return (dvd_read_manufact(cd, s)); 2373 default: 2374 return (EINVAL); 2375 } 2376 } 2377 2378 static int 2379 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2380 int page, int flags, int *big) 2381 { 2382 2383 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2384 *big = 1; 2385 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2386 size + sizeof(struct scsi_mode_parameter_header_10), 2387 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2388 } else { 2389 *big = 0; 2390 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2391 size + sizeof(struct scsi_mode_parameter_header_6), 2392 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2393 } 2394 } 2395 2396 static int 2397 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2398 int flags, int big) 2399 { 2400 2401 if (big) { 2402 struct scsi_mode_parameter_header_10 *header = sense; 2403 2404 _lto2b(0, header->data_length); 2405 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2406 size + sizeof(struct scsi_mode_parameter_header_10), 2407 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2408 } else { 2409 struct scsi_mode_parameter_header_6 *header = sense; 2410 2411 header->data_length = 0; 2412 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2413 size + sizeof(struct scsi_mode_parameter_header_6), 2414 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2415 } 2416 } 2417 2418 static int 2419 cd_set_pa_immed(struct cd_softc *cd, int flags) 2420 { 2421 struct { 2422 union { 2423 struct scsi_mode_parameter_header_6 small; 2424 struct scsi_mode_parameter_header_10 big; 2425 } header; 2426 struct cd_audio_page page; 2427 } data; 2428 int error; 2429 uint8_t oflags; 2430 int big, byte2; 2431 struct cd_audio_page *page; 2432 2433 byte2 = SMS_DBD; 2434 try_again: 2435 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2436 AUDIO_PAGE, flags, &big)) != 0) { 2437 if (byte2 == SMS_DBD) { 2438 /* Device may not understand DBD; retry without */ 2439 byte2 = 0; 2440 goto try_again; 2441 } 2442 return (error); 2443 } 2444 2445 if (big) 2446 page = (void *)((u_long)&data.header.big + 2447 sizeof data.header.big + 2448 _2btol(data.header.big.blk_desc_len)); 2449 else 2450 page = (void *)((u_long)&data.header.small + 2451 sizeof data.header.small + 2452 data.header.small.blk_desc_len); 2453 2454 oflags = page->flags; 2455 page->flags &= ~CD_PA_SOTC; 2456 page->flags |= CD_PA_IMMED; 2457 if (oflags == page->flags) 2458 return (0); 2459 2460 return (cd_mode_select(cd, SMS_PF, &data, 2461 sizeof(struct scsi_mode_page_header) + page->pg_length, 2462 flags, big)); 2463 } 2464 2465 static int 2466 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2467 { 2468 struct { 2469 union { 2470 struct scsi_mode_parameter_header_6 small; 2471 struct scsi_mode_parameter_header_10 big; 2472 } header; 2473 struct cd_audio_page page; 2474 } data; 2475 int error; 2476 int big, byte2; 2477 struct cd_audio_page *page; 2478 2479 byte2 = SMS_DBD; 2480 try_again: 2481 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2482 AUDIO_PAGE, flags, &big)) != 0) { 2483 if (byte2 == SMS_DBD) { 2484 /* Device may not understand DBD; retry without */ 2485 byte2 = 0; 2486 goto try_again; 2487 } 2488 return (error); 2489 } 2490 2491 if (big) 2492 page = (void *)((u_long)&data.header.big + 2493 sizeof data.header.big + 2494 _2btol(data.header.big.blk_desc_len)); 2495 else 2496 page = (void *)((u_long)&data.header.small + 2497 sizeof data.header.small + 2498 data.header.small.blk_desc_len); 2499 2500 page->port[0].channels = p0; 2501 page->port[1].channels = p1; 2502 page->port[2].channels = p2; 2503 page->port[3].channels = p3; 2504 2505 return (cd_mode_select(cd, SMS_PF, &data, 2506 sizeof(struct scsi_mode_page_header) + page->pg_length, 2507 flags, big)); 2508 } 2509 2510 static int 2511 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2512 { 2513 struct { 2514 union { 2515 struct scsi_mode_parameter_header_6 small; 2516 struct scsi_mode_parameter_header_10 big; 2517 } header; 2518 struct cd_audio_page page; 2519 } data; 2520 int error; 2521 int big, byte2; 2522 struct cd_audio_page *page; 2523 2524 byte2 = SMS_DBD; 2525 try_again: 2526 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2527 AUDIO_PAGE, flags, &big)) != 0) { 2528 if (byte2 == SMS_DBD) { 2529 /* Device may not understand DBD; retry without */ 2530 byte2 = 0; 2531 goto try_again; 2532 } 2533 return (error); 2534 } 2535 2536 if (big) 2537 page = (void *)((u_long)&data.header.big + 2538 sizeof data.header.big + 2539 _2btol(data.header.big.blk_desc_len)); 2540 else 2541 page = (void *)((u_long)&data.header.small + 2542 sizeof data.header.small + 2543 data.header.small.blk_desc_len); 2544 2545 arg->vol[0] = page->port[0].volume; 2546 arg->vol[1] = page->port[1].volume; 2547 arg->vol[2] = page->port[2].volume; 2548 arg->vol[3] = page->port[3].volume; 2549 2550 return (0); 2551 } 2552 2553 static int 2554 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2555 { 2556 struct { 2557 union { 2558 struct scsi_mode_parameter_header_6 small; 2559 struct scsi_mode_parameter_header_10 big; 2560 } header; 2561 struct cd_audio_page page; 2562 } data, mask; 2563 int error; 2564 int big, byte2; 2565 struct cd_audio_page *page, *page2; 2566 2567 byte2 = SMS_DBD; 2568 try_again: 2569 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2570 AUDIO_PAGE, flags, &big)) != 0) { 2571 if (byte2 == SMS_DBD) { 2572 /* Device may not understand DBD; retry without */ 2573 byte2 = 0; 2574 goto try_again; 2575 } 2576 return (error); 2577 } 2578 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2579 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2580 return (error); 2581 2582 if (big) { 2583 page = (void *)((u_long)&data.header.big + 2584 sizeof data.header.big + 2585 _2btol(data.header.big.blk_desc_len)); 2586 page2 = (void *)((u_long)&mask.header.big + 2587 sizeof mask.header.big + 2588 _2btol(mask.header.big.blk_desc_len)); 2589 } else { 2590 page = (void *)((u_long)&data.header.small + 2591 sizeof data.header.small + 2592 data.header.small.blk_desc_len); 2593 page2 = (void *)((u_long)&mask.header.small + 2594 sizeof mask.header.small + 2595 mask.header.small.blk_desc_len); 2596 } 2597 2598 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2599 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2600 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2601 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2602 2603 page->port[0].channels = CHANNEL_0; 2604 page->port[1].channels = CHANNEL_1; 2605 2606 return (cd_mode_select(cd, SMS_PF, &data, 2607 sizeof(struct scsi_mode_page_header) + page->pg_length, 2608 flags, big)); 2609 } 2610 2611 static int 2612 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2613 { 2614 struct scsipi_load_unload cmd; 2615 2616 memset(&cmd, 0, sizeof(cmd)); 2617 cmd.opcode = LOAD_UNLOAD; 2618 cmd.options = args->options; /* ioctl uses MMC values */ 2619 cmd.slot = args->slot; 2620 2621 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2622 CDRETRIES, 200000, NULL, 0)); 2623 } 2624 2625 static int 2626 cd_setblksize(struct cd_softc *cd) 2627 { 2628 struct { 2629 union { 2630 struct scsi_mode_parameter_header_6 small; 2631 struct scsi_mode_parameter_header_10 big; 2632 } header; 2633 struct scsi_general_block_descriptor blk_desc; 2634 } data; 2635 int error; 2636 int big, bsize; 2637 struct scsi_general_block_descriptor *bdesc; 2638 2639 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2640 &big)) != 0) 2641 return (error); 2642 2643 if (big) { 2644 bdesc = (void *)(&data.header.big + 1); 2645 bsize = _2btol(data.header.big.blk_desc_len); 2646 } else { 2647 bdesc = (void *)(&data.header.small + 1); 2648 bsize = data.header.small.blk_desc_len; 2649 } 2650 2651 if (bsize == 0) { 2652 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2653 return (EINVAL); 2654 } 2655 if (_3btol(bdesc->blklen) == 2048) { 2656 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2657 return (EINVAL); 2658 } 2659 2660 _lto3b(2048, bdesc->blklen); 2661 2662 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2663 big)); 2664 } 2665 2666 2667 static int 2668 mmc_profile2class(uint16_t mmc_profile) 2669 { 2670 switch (mmc_profile) { 2671 case 0x01 : /* SCSI discs */ 2672 case 0x02 : 2673 /* this can't happen really, cd.c wouldn't have matched */ 2674 return MMC_CLASS_DISC; 2675 case 0x03 : /* Magneto Optical with sector erase */ 2676 case 0x04 : /* Magneto Optical write once */ 2677 case 0x05 : /* Advance Storage Magneto Optical */ 2678 return MMC_CLASS_MO; 2679 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2680 case 0x08 : /* CD-ROM */ 2681 case 0x09 : /* CD-R */ 2682 case 0x0a : /* CD-RW */ 2683 return MMC_CLASS_CD; 2684 case 0x10 : /* DVD-ROM */ 2685 case 0x11 : /* DVD-R */ 2686 case 0x12 : /* DVD-RAM */ 2687 case 0x13 : /* DVD-RW restricted overwrite */ 2688 case 0x14 : /* DVD-RW sequential */ 2689 case 0x1a : /* DVD+RW */ 2690 case 0x1b : /* DVD+R */ 2691 case 0x2a : /* DVD+RW Dual layer */ 2692 case 0x2b : /* DVD+R Dual layer */ 2693 case 0x50 : /* HD DVD-ROM */ 2694 case 0x51 : /* HD DVD-R */ 2695 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2696 return MMC_CLASS_DVD; 2697 case 0x40 : /* BD-ROM */ 2698 case 0x41 : /* BD-R Sequential recording (SRM) */ 2699 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2700 case 0x43 : /* BD-RE */ 2701 return MMC_CLASS_BD; 2702 } 2703 return MMC_CLASS_UNKN; 2704 } 2705 2706 2707 /* 2708 * Drive/media combination is reflected in a series of features that can 2709 * either be current or dormant. We try to make sense out of them to create a 2710 * set of easy to use flags that abstract the device/media capabilities. 2711 */ 2712 2713 static void 2714 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2715 uint16_t feature, int cur, uint8_t *rpos) 2716 { 2717 uint32_t blockingnr; 2718 uint64_t flags; 2719 2720 if (cur == 1) { 2721 flags = mmc_discinfo->mmc_cur; 2722 } else { 2723 flags = mmc_discinfo->mmc_cap; 2724 } 2725 2726 switch (feature) { 2727 case 0x0010 : /* random readable feature */ 2728 blockingnr = rpos[5] | (rpos[4] << 8); 2729 if (blockingnr > 1) 2730 flags |= MMC_CAP_PACKET; 2731 2732 /* RW error page */ 2733 break; 2734 case 0x0020 : /* random writable feature */ 2735 flags |= MMC_CAP_RECORDABLE; 2736 flags |= MMC_CAP_REWRITABLE; 2737 blockingnr = rpos[9] | (rpos[8] << 8); 2738 if (blockingnr > 1) 2739 flags |= MMC_CAP_PACKET; 2740 break; 2741 case 0x0021 : /* incremental streaming write feature */ 2742 flags |= MMC_CAP_RECORDABLE; 2743 flags |= MMC_CAP_SEQUENTIAL; 2744 if (cur) 2745 mmc_discinfo->link_block_penalty = rpos[4]; 2746 if (rpos[2] & 1) 2747 flags |= MMC_CAP_ZEROLINKBLK; 2748 break; 2749 case 0x0022 : /* (obsolete) erase support feature */ 2750 flags |= MMC_CAP_RECORDABLE; 2751 flags |= MMC_CAP_ERASABLE; 2752 break; 2753 case 0x0023 : /* formatting media support feature */ 2754 flags |= MMC_CAP_RECORDABLE; 2755 flags |= MMC_CAP_FORMATTABLE; 2756 break; 2757 case 0x0024 : /* hardware assised defect management feature */ 2758 flags |= MMC_CAP_HW_DEFECTFREE; 2759 break; 2760 case 0x0025 : /* write once */ 2761 flags |= MMC_CAP_RECORDABLE; 2762 break; 2763 case 0x0026 : /* restricted overwrite feature */ 2764 flags |= MMC_CAP_RECORDABLE; 2765 flags |= MMC_CAP_REWRITABLE; 2766 flags |= MMC_CAP_STRICTOVERWRITE; 2767 break; 2768 case 0x0028 : /* MRW formatted media support feature */ 2769 flags |= MMC_CAP_MRW; 2770 break; 2771 case 0x002b : /* DVD+R read (and opt. write) support */ 2772 flags |= MMC_CAP_SEQUENTIAL; 2773 if (rpos[0] & 1) /* write support */ 2774 flags |= MMC_CAP_RECORDABLE; 2775 break; 2776 case 0x002c : /* rigid restricted overwrite feature */ 2777 flags |= MMC_CAP_RECORDABLE; 2778 flags |= MMC_CAP_REWRITABLE; 2779 flags |= MMC_CAP_STRICTOVERWRITE; 2780 if (rpos[0] & 1) /* blank bit */ 2781 flags |= MMC_CAP_BLANKABLE; 2782 break; 2783 case 0x002d : /* track at once recording feature */ 2784 flags |= MMC_CAP_RECORDABLE; 2785 flags |= MMC_CAP_SEQUENTIAL; 2786 break; 2787 case 0x002f : /* DVD-R/-RW write feature */ 2788 flags |= MMC_CAP_RECORDABLE; 2789 if (rpos[0] & 2) /* DVD-RW bit */ 2790 flags |= MMC_CAP_BLANKABLE; 2791 break; 2792 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2793 flags |= MMC_CAP_PSEUDOOVERWRITE; 2794 break; 2795 default : 2796 /* ignore */ 2797 break; 2798 } 2799 2800 if (cur == 1) { 2801 mmc_discinfo->mmc_cur = flags; 2802 } else { 2803 mmc_discinfo->mmc_cap = flags; 2804 } 2805 } 2806 2807 static int 2808 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2809 struct mmc_discinfo *mmc_discinfo) 2810 { 2811 struct scsipi_read_toc gtoc_cmd; 2812 struct scsipi_toc_header *toc_hdr; 2813 struct scsipi_toc_msinfo *toc_msinfo; 2814 const uint32_t buffer_size = 1024; 2815 uint32_t req_size; 2816 uint8_t *buffer; 2817 int error, flags; 2818 2819 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2820 /* 2821 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2822 * care' but others might be of interest to programs. 2823 */ 2824 2825 mmc_discinfo->disc_state = MMC_STATE_FULL; 2826 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2827 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2828 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2829 2830 /* get number of sessions and first tracknr in last session */ 2831 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2832 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2833 gtoc_cmd.opcode = READ_TOC; 2834 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2835 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2836 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2837 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2838 _lto2b(req_size, gtoc_cmd.data_len); 2839 2840 error = scsipi_command(periph, 2841 (void *)>oc_cmd, sizeof(gtoc_cmd), 2842 (void *)buffer, req_size, 2843 CDRETRIES, 30000, NULL, flags); 2844 if (error) 2845 goto out; 2846 toc_hdr = (struct scsipi_toc_header *) buffer; 2847 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2848 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2849 mmc_discinfo->first_track = toc_hdr->first; 2850 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2851 2852 /* get last track of last session */ 2853 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2854 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2855 req_size = sizeof(*toc_hdr); 2856 _lto2b(req_size, gtoc_cmd.data_len); 2857 2858 error = scsipi_command(periph, 2859 (void *)>oc_cmd, sizeof(gtoc_cmd), 2860 (void *)buffer, req_size, 2861 CDRETRIES, 30000, NULL, flags); 2862 if (error) 2863 goto out; 2864 toc_hdr = (struct scsipi_toc_header *) buffer; 2865 mmc_discinfo->last_track_last_session = toc_hdr->last; 2866 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2867 2868 /* TODO how to handle disc_barcode and disc_id */ 2869 /* done */ 2870 2871 out: 2872 free(buffer, M_TEMP); 2873 return error; 2874 } 2875 2876 static int 2877 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2878 struct mmc_discinfo *mmc_discinfo) 2879 { 2880 struct scsipi_read_toc gtoc_cmd; 2881 struct scsipi_toc_header toc_hdr; 2882 uint32_t req_size; 2883 int error, flags; 2884 2885 /* 2886 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2887 * care' but others might be of interest to programs. 2888 */ 2889 2890 mmc_discinfo->disc_state = MMC_STATE_FULL; 2891 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2892 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2893 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2894 2895 /* get number of sessions and first tracknr in last session */ 2896 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2897 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2898 gtoc_cmd.opcode = READ_TOC; 2899 gtoc_cmd.addr_mode = 0; /* LBA */ 2900 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2901 gtoc_cmd.from_track = 1; /* first track */ 2902 req_size = sizeof(toc_hdr); 2903 _lto2b(req_size, gtoc_cmd.data_len); 2904 2905 error = scsipi_command(periph, 2906 (void *)>oc_cmd, sizeof(gtoc_cmd), 2907 (void *)&toc_hdr, req_size, 2908 CDRETRIES, 30000, NULL, flags); 2909 if (error) 2910 return error; 2911 2912 /* DVD-ROM squashes the track/session space */ 2913 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2914 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2915 mmc_discinfo->first_track = toc_hdr.first; 2916 mmc_discinfo->first_track_last_session = toc_hdr.last; 2917 mmc_discinfo->last_track_last_session = toc_hdr.last; 2918 2919 /* TODO how to handle disc_barcode and disc_id */ 2920 /* done */ 2921 return 0; 2922 } 2923 2924 static int 2925 mmc_getdiscinfo(struct scsipi_periph *periph, 2926 struct mmc_discinfo *mmc_discinfo) 2927 { 2928 struct scsipi_get_configuration gc_cmd; 2929 struct scsipi_get_conf_data *gc; 2930 struct scsipi_get_conf_feature *gcf; 2931 struct scsipi_read_discinfo di_cmd; 2932 struct scsipi_read_discinfo_data di; 2933 const uint32_t buffer_size = 1024; 2934 uint32_t feat_tbl_len, pos; 2935 u_long last_lba; 2936 uint8_t *buffer, *fpos; 2937 int feature, last_feature, features_len, feature_cur, feature_len; 2938 int lsb, msb, error, flags; 2939 2940 feat_tbl_len = buffer_size; 2941 2942 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2943 2944 /* initialise structure */ 2945 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2946 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2947 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2948 mmc_discinfo->mmc_cur = 0; 2949 mmc_discinfo->mmc_cap = 0; 2950 mmc_discinfo->link_block_penalty = 0; 2951 2952 /* determine mmc profile and class */ 2953 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2954 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2955 gc_cmd.opcode = GET_CONFIGURATION; 2956 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2957 2958 gc = (struct scsipi_get_conf_data *) buffer; 2959 2960 error = scsipi_command(periph, 2961 (void *)&gc_cmd, sizeof(gc_cmd), 2962 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2963 CDRETRIES, 30000, NULL, flags); 2964 if (error) 2965 goto out; 2966 2967 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2968 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2969 2970 /* assume 2048 sector size unless told otherwise */ 2971 mmc_discinfo->sector_size = 2048; 2972 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2973 if (error) 2974 goto out; 2975 2976 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2977 2978 /* Read in all features to determine device capabilities */ 2979 last_feature = feature = 0; 2980 do { 2981 /* determine mmc profile and class */ 2982 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2983 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2984 gc_cmd.opcode = GET_CONFIGURATION; 2985 _lto2b(last_feature, gc_cmd.start_at_feature); 2986 _lto2b(feat_tbl_len, gc_cmd.data_len); 2987 2988 error = scsipi_command(periph, 2989 (void *)&gc_cmd, sizeof(gc_cmd), 2990 (void *) gc, feat_tbl_len, 2991 CDRETRIES, 30000, NULL, flags); 2992 if (error) { 2993 /* ieeek... break out of loop... i dunno what to do */ 2994 break; 2995 } 2996 2997 features_len = _4btol(gc->data_len); 2998 2999 pos = 0; 3000 fpos = &gc->feature_desc[0]; 3001 while (pos < features_len - 4) { 3002 gcf = (struct scsipi_get_conf_feature *) fpos; 3003 3004 feature = _2btol(gcf->featurecode); 3005 feature_cur = gcf->flags & 1; 3006 feature_len = gcf->additional_length; 3007 3008 mmc_process_feature(mmc_discinfo, 3009 feature, feature_cur, 3010 gcf->feature_dependent); 3011 3012 last_feature = MAX(last_feature, feature); 3013 #ifdef DIAGNOSTIC 3014 /* assert((feature_len & 3) == 0); */ 3015 if ((feature_len & 3) != 0) { 3016 printf("feature %d having length %d\n", 3017 feature, feature_len); 3018 } 3019 #endif 3020 3021 pos += 4 + feature_len; 3022 fpos += 4 + feature_len; 3023 } 3024 /* unlikely to ever grow past our 1kb buffer */ 3025 } while (features_len >= 0xffff); 3026 3027 #ifdef DEBUG 3028 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 3029 mmc_discinfo->mmc_profile, 3030 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 3031 #endif 3032 3033 /* read in disc state and number of sessions and tracks */ 3034 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3035 memset(&di_cmd, 0, sizeof(di_cmd)); 3036 di_cmd.opcode = READ_DISCINFO; 3037 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 3038 3039 error = scsipi_command(periph, 3040 (void *)&di_cmd, sizeof(di_cmd), 3041 (void *)&di, READ_DISCINFO_BIGSIZE, 3042 CDRETRIES, 30000, NULL, flags); 3043 3044 if (error) { 3045 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3046 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3047 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3048 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3049 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3050 /* CD/DVD drive is violating specs */ 3051 error = EIO; 3052 goto out; 3053 } 3054 3055 /* call went OK */ 3056 mmc_discinfo->disc_state = di.disc_state & 3; 3057 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3058 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3059 3060 lsb = di.num_sessions_lsb; 3061 msb = di.num_sessions_msb; 3062 mmc_discinfo->num_sessions = lsb | (msb << 8); 3063 3064 mmc_discinfo->first_track = di.first_track; 3065 lsb = di.first_track_last_session_lsb; 3066 msb = di.first_track_last_session_msb; 3067 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3068 lsb = di.last_track_last_session_lsb; 3069 msb = di.last_track_last_session_msb; 3070 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3071 3072 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3073 mmc_discinfo->first_track + 1; 3074 3075 /* set misc. flags and parameters from this disc info */ 3076 if (di.disc_state & 16) 3077 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3078 3079 if (di.disc_state2 & 128) { 3080 mmc_discinfo->disc_id = _4btol(di.discid); 3081 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3082 } 3083 if (di.disc_state2 & 64) { 3084 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3085 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3086 } 3087 if (di.disc_state2 & 32) 3088 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3089 3090 if (di.disc_state2 & 16) { 3091 mmc_discinfo->application_code = di.application_code; 3092 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3093 } 3094 3095 /* done */ 3096 3097 out: 3098 free(buffer, M_TEMP); 3099 return error; 3100 } 3101 3102 static int 3103 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3104 struct mmc_trackinfo *trackinfo) 3105 { 3106 struct scsipi_read_toc gtoc_cmd; 3107 struct scsipi_toc_header *toc_hdr; 3108 struct scsipi_toc_rawtoc *rawtoc; 3109 uint32_t track_start, track_end, track_size; 3110 uint32_t last_recorded, next_writable; 3111 uint32_t lba, next_track_start, lead_out; 3112 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3113 uint8_t *buffer; 3114 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3115 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3116 int size, req_size; 3117 int error, flags; 3118 3119 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3120 3121 /* 3122 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3123 * 3124 * Not all information is present and this presents a problem. Track 3125 * starts are known for each track but other values are deducted. 3126 * 3127 * For a complete overview of `magic' values used here, see the 3128 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3129 * names, they are specified as numbers. 3130 */ 3131 3132 /* get raw toc to process, first header to check size */ 3133 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3134 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3135 gtoc_cmd.opcode = READ_TOC; 3136 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3137 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3138 gtoc_cmd.from_track = 1; /* first session */ 3139 req_size = sizeof(*toc_hdr); 3140 _lto2b(req_size, gtoc_cmd.data_len); 3141 3142 error = scsipi_command(periph, 3143 (void *)>oc_cmd, sizeof(gtoc_cmd), 3144 (void *)buffer, req_size, 3145 CDRETRIES, 30000, NULL, flags); 3146 if (error) 3147 goto out; 3148 toc_hdr = (struct scsipi_toc_header *) buffer; 3149 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3150 #ifdef DIAGNOSTIC 3151 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3152 #endif 3153 error = ENOBUFS; 3154 goto out; 3155 } 3156 3157 /* read in complete raw toc */ 3158 req_size = _2btol(toc_hdr->length); 3159 _lto2b(req_size, gtoc_cmd.data_len); 3160 3161 error = scsipi_command(periph, 3162 (void *)>oc_cmd, sizeof(gtoc_cmd), 3163 (void *)buffer, req_size, 3164 CDRETRIES, 30000, NULL, flags); 3165 if (error) 3166 goto out; 3167 3168 toc_hdr = (struct scsipi_toc_header *) buffer; 3169 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3170 3171 track_start = 0; 3172 track_end = 0; 3173 track_size = 0; 3174 last_recorded = 0; 3175 next_writable = 0; 3176 flags = 0; 3177 3178 last_tracknr = 1; 3179 next_track_start = 0; 3180 track_sessionnr = MAXTRACK; /* by definition */ 3181 lead_out = 0; 3182 3183 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3184 while (size > 0) { 3185 /* get track start and session end */ 3186 tno = rawtoc->tno; 3187 sessionnr = rawtoc->sessionnr; 3188 adr = rawtoc->adrcontrol >> 4; 3189 point = rawtoc->point; 3190 tmin = rawtoc->min; 3191 tsec = rawtoc->sec; 3192 tframe = rawtoc->frame; 3193 pmin = rawtoc->pmin; 3194 psec = rawtoc->psec; 3195 pframe = rawtoc->pframe; 3196 3197 if (tno == 0 && sessionnr && adr == 1) { 3198 lba = hmsf2lba(0, pmin, psec, pframe); 3199 if (point == trackinfo->tracknr) { 3200 track_start = lba; 3201 track_sessionnr = sessionnr; 3202 } 3203 if (point == trackinfo->tracknr + 1) { 3204 /* estimate size */ 3205 track_size = lba - track_start; 3206 next_track_start = lba; 3207 } 3208 if (point == 0xa2) { 3209 lead_out = lba; 3210 } 3211 if (point <= 0x63) { 3212 /* CD's ok, DVD are glued */ 3213 last_tracknr = point; 3214 } 3215 if (sessionnr == track_sessionnr) { 3216 last_recorded = lead_out; 3217 } 3218 } 3219 if (tno == 0 && sessionnr && adr == 5) { 3220 lba = hmsf2lba(0, tmin, tsec, tframe); 3221 if (sessionnr == track_sessionnr) { 3222 next_writable = lba; 3223 } 3224 } 3225 3226 rawtoc++; 3227 size -= sizeof(struct scsipi_toc_rawtoc); 3228 } 3229 3230 /* process found values; some voodoo */ 3231 /* if no tracksize tracknr is the last of the disc */ 3232 if ((track_size == 0) && last_recorded) { 3233 track_size = last_recorded - track_start; 3234 } 3235 /* if last_recorded < tracksize, tracksize is overestimated */ 3236 if (last_recorded) { 3237 if (last_recorded - track_start <= track_size) { 3238 track_size = last_recorded - track_start; 3239 flags |= MMC_TRACKINFO_LRA_VALID; 3240 } 3241 } 3242 /* check if its a the last track of the sector */ 3243 if (next_writable) { 3244 if (next_track_start > next_writable) 3245 flags |= MMC_TRACKINFO_NWA_VALID; 3246 } 3247 3248 /* no flag set -> no values */ 3249 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3250 last_recorded = 0; 3251 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3252 next_writable = 0; 3253 3254 /* fill in */ 3255 /* trackinfo->tracknr preserved */ 3256 trackinfo->sessionnr = track_sessionnr; 3257 trackinfo->track_mode = 7; /* data, incremental */ 3258 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3259 3260 trackinfo->flags = flags; 3261 trackinfo->track_start = track_start; 3262 trackinfo->next_writable = next_writable; 3263 trackinfo->free_blocks = 0; 3264 trackinfo->packet_size = 1; 3265 trackinfo->track_size = track_size; 3266 trackinfo->last_recorded = last_recorded; 3267 3268 out: 3269 free(buffer, M_TEMP); 3270 return error; 3271 3272 } 3273 3274 static int 3275 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3276 struct mmc_trackinfo *trackinfo) 3277 { 3278 struct scsipi_read_toc gtoc_cmd; 3279 struct scsipi_toc_header *toc_hdr; 3280 struct scsipi_toc_formatted *toc; 3281 uint32_t tracknr, track_start, track_size; 3282 uint32_t lba, lead_out; 3283 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3284 uint8_t *buffer; 3285 uint8_t last_tracknr; 3286 int size, req_size; 3287 int error, flags; 3288 3289 3290 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3291 /* 3292 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3293 * CD-ROM emulation uses since the specification tells us that no such 3294 * thing is defined for DVD's. The reason for this is due to the large 3295 * number of tracks and that would clash with the `magic' values. This 3296 * suxs. 3297 * 3298 * Not all information is present and this presents a problem. 3299 * Track starts are known for each track but other values are 3300 * deducted. 3301 */ 3302 3303 /* get formatted toc to process, first header to check size */ 3304 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3305 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3306 gtoc_cmd.opcode = READ_TOC; 3307 gtoc_cmd.addr_mode = 0; /* lba's please */ 3308 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3309 gtoc_cmd.from_track = 1; /* first track */ 3310 req_size = sizeof(*toc_hdr); 3311 _lto2b(req_size, gtoc_cmd.data_len); 3312 3313 error = scsipi_command(periph, 3314 (void *)>oc_cmd, sizeof(gtoc_cmd), 3315 (void *)buffer, req_size, 3316 CDRETRIES, 30000, NULL, flags); 3317 if (error) 3318 goto out; 3319 toc_hdr = (struct scsipi_toc_header *) buffer; 3320 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3321 #ifdef DIAGNOSTIC 3322 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3323 #endif 3324 error = ENOBUFS; 3325 goto out; 3326 } 3327 3328 /* read in complete formatted toc */ 3329 req_size = _2btol(toc_hdr->length); 3330 _lto2b(req_size, gtoc_cmd.data_len); 3331 3332 error = scsipi_command(periph, 3333 (void *)>oc_cmd, sizeof(gtoc_cmd), 3334 (void *)buffer, req_size, 3335 CDRETRIES, 30000, NULL, flags); 3336 if (error) 3337 goto out; 3338 3339 toc_hdr = (struct scsipi_toc_header *) buffer; 3340 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3341 3342 /* as in read disc info, all sessions are converted to tracks */ 3343 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3344 /* last track -> we got the size from the lead-out */ 3345 3346 tracknr = 0; 3347 last_tracknr = toc_hdr->last; 3348 track_start = 0; 3349 track_size = 0; 3350 lead_out = 0; 3351 3352 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3353 while (size > 0) { 3354 /* remember, DVD-ROM: tracknr == sessionnr */ 3355 lba = _4btol(toc->msf_lba); 3356 tracknr = toc->tracknr; 3357 if (trackinfo->tracknr == tracknr) { 3358 track_start = lba; 3359 } 3360 if (trackinfo->tracknr == tracknr+1) { 3361 track_size = lba - track_start; 3362 track_size -= 16; /* link block ? */ 3363 } 3364 if (tracknr == 0xAA) { 3365 lead_out = lba; 3366 } 3367 toc++; 3368 size -= sizeof(struct scsipi_toc_formatted); 3369 } 3370 if (trackinfo->tracknr == last_tracknr) { 3371 track_size = lead_out - track_start; 3372 } 3373 3374 /* fill in */ 3375 /* trackinfo->tracknr preserved */ 3376 trackinfo->sessionnr = trackinfo->tracknr; 3377 trackinfo->track_mode = 0; /* unknown */ 3378 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3379 3380 trackinfo->flags = 0; 3381 trackinfo->track_start = track_start; 3382 trackinfo->next_writable = 0; 3383 trackinfo->free_blocks = 0; 3384 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3385 trackinfo->track_size = track_size; 3386 trackinfo->last_recorded = 0; 3387 3388 out: 3389 free(buffer, M_TEMP); 3390 return error; 3391 } 3392 3393 static int 3394 mmc_gettrackinfo(struct scsipi_periph *periph, 3395 struct mmc_trackinfo *trackinfo) 3396 { 3397 struct scsipi_read_trackinfo ti_cmd; 3398 struct scsipi_read_trackinfo_data ti; 3399 struct scsipi_get_configuration gc_cmd; 3400 struct scsipi_get_conf_data gc; 3401 int error, flags; 3402 int mmc_profile; 3403 3404 /* set up SCSI call with track number from trackinfo.tracknr */ 3405 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3406 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3407 ti_cmd.opcode = READ_TRACKINFO; 3408 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3409 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3410 3411 /* trackinfo.tracknr contains number of tracks to query */ 3412 _lto4b(trackinfo->tracknr, ti_cmd.address); 3413 error = scsipi_command(periph, 3414 (void *)&ti_cmd, sizeof(ti_cmd), 3415 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3416 CDRETRIES, 30000, NULL, flags); 3417 3418 if (error) { 3419 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3420 /* first determine mmc profile */ 3421 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3422 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3423 gc_cmd.opcode = GET_CONFIGURATION; 3424 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3425 3426 error = scsipi_command(periph, 3427 (void *)&gc_cmd, sizeof(gc_cmd), 3428 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3429 CDRETRIES, 30000, NULL, flags); 3430 if (error) 3431 return error; 3432 mmc_profile = _2btol(gc.mmc_profile); 3433 3434 /* choose emulation */ 3435 if (mmc_profile == 0x08) /* CD-ROM */ 3436 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3437 if (mmc_profile == 0x10) /* DVD-ROM */ 3438 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3439 /* CD/DVD drive is violating specs */ 3440 return EIO; 3441 } 3442 3443 /* (re)initialise structure */ 3444 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3445 3446 /* account for short returns screwing up track and session msb */ 3447 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3448 ti.track_msb = 0; 3449 ti.session_msb = 0; 3450 } 3451 3452 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3453 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3454 trackinfo->track_mode = ti.track_info_1 & 0xf; 3455 trackinfo->data_mode = ti.track_info_2 & 0xf; 3456 3457 flags = 0; 3458 if (ti.track_info_1 & 0x10) 3459 flags |= MMC_TRACKINFO_COPY; 3460 if (ti.track_info_1 & 0x20) 3461 flags |= MMC_TRACKINFO_DAMAGED; 3462 if (ti.track_info_2 & 0x10) 3463 flags |= MMC_TRACKINFO_FIXED_PACKET; 3464 if (ti.track_info_2 & 0x20) 3465 flags |= MMC_TRACKINFO_INCREMENTAL; 3466 if (ti.track_info_2 & 0x40) 3467 flags |= MMC_TRACKINFO_BLANK; 3468 if (ti.track_info_2 & 0x80) 3469 flags |= MMC_TRACKINFO_RESERVED; 3470 if (ti.data_valid & 0x01) 3471 flags |= MMC_TRACKINFO_NWA_VALID; 3472 if (ti.data_valid & 0x02) 3473 flags |= MMC_TRACKINFO_LRA_VALID; 3474 3475 trackinfo->flags = flags; 3476 trackinfo->track_start = _4btol(ti.track_start); 3477 trackinfo->next_writable = _4btol(ti.next_writable); 3478 trackinfo->free_blocks = _4btol(ti.free_blocks); 3479 trackinfo->packet_size = _4btol(ti.packet_size); 3480 trackinfo->track_size = _4btol(ti.track_size); 3481 trackinfo->last_recorded = _4btol(ti.last_recorded); 3482 3483 return 0; 3484 } 3485