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sys/dev/scsipi/cd.c
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1 /* $NetBSD: cd.c,v 1.260.2.2 2008/02/01 14:42:54 riz 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 1.260.2.2 2008/02/01 14:42:54 riz 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 static void cdstart(struct scsipi_periph *); 123 static void cdrestart(void *); 124 static void cdminphys(struct buf *); 125 static void cdgetdefaultlabel(struct cd_softc *, struct disklabel *); 126 static void cdgetdisklabel(struct cd_softc *); 127 static void cddone(struct scsipi_xfer *, int); 128 static void cdbounce(struct buf *); 129 static int cd_interpret_sense(struct scsipi_xfer *); 130 static u_long cd_size(struct cd_softc *, int); 131 static int cd_play(struct cd_softc *, int, int); 132 static int cd_play_tracks(struct cd_softc *, int, int, int, int); 133 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 134 static int cd_pause(struct cd_softc *, int); 135 static int cd_reset(struct cd_softc *); 136 static int cd_read_subchannel(struct cd_softc *, int, int, int, 137 struct cd_sub_channel_info *, int, int); 138 static int cd_read_toc(struct cd_softc *, int, int, int, void *, int, int, int); 139 static int cd_get_parms(struct cd_softc *, int); 140 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 141 static int cdreadmsaddr(struct cd_softc *, int *); 142 143 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 144 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 145 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 146 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 147 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 148 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 149 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 150 151 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 152 int, int *); 153 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 154 int, int); 155 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 156 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 157 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 158 static int cd_set_pa_immed(struct cd_softc *, int); 159 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 160 static int cd_setblksize(struct cd_softc *); 161 162 static int cdmatch(struct device *, struct cfdata *, void *); 163 static void cdattach(struct device *, struct device *, void *); 164 static int cdactivate(struct device *, enum devact); 165 static int cddetach(struct device *, int); 166 167 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 168 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 169 170 CFATTACH_DECL(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 171 cdactivate); 172 173 extern struct cfdriver cd_cd; 174 175 static const struct scsipi_inquiry_pattern cd_patterns[] = { 176 {T_CDROM, T_REMOV, 177 "", "", ""}, 178 {T_WORM, T_REMOV, 179 "", "", ""}, 180 #if 0 181 {T_CDROM, T_REMOV, /* more luns */ 182 "PIONEER ", "CD-ROM DRM-600 ", ""}, 183 #endif 184 {T_DIRECT, T_REMOV, 185 "NEC CD-ROM DRIVE:260", "", ""}, 186 }; 187 188 static dev_type_open(cdopen); 189 static dev_type_close(cdclose); 190 static dev_type_read(cdread); 191 static dev_type_write(cdwrite); 192 static dev_type_ioctl(cdioctl); 193 static dev_type_strategy(cdstrategy); 194 static dev_type_dump(cddump); 195 static dev_type_size(cdsize); 196 197 const struct bdevsw cd_bdevsw = { 198 cdopen, cdclose, cdstrategy, cdioctl, cddump, cdsize, D_DISK 199 }; 200 201 const struct cdevsw cd_cdevsw = { 202 cdopen, cdclose, cdread, cdwrite, cdioctl, 203 nostop, notty, nopoll, nommap, nokqfilter, D_DISK 204 }; 205 206 static struct dkdriver cddkdriver = { cdstrategy, NULL }; 207 208 static const struct scsipi_periphsw cd_switch = { 209 cd_interpret_sense, /* use our error handler first */ 210 cdstart, /* we have a queue, which is started by this */ 211 NULL, /* we do not have an async handler */ 212 cddone, /* deal with stats at interrupt time */ 213 }; 214 215 /* 216 * The routine called by the low level scsi routine when it discovers 217 * A device suitable for this driver 218 */ 219 static int 220 cdmatch(struct device *parent, struct cfdata *match, 221 void *aux) 222 { 223 struct scsipibus_attach_args *sa = aux; 224 int priority; 225 226 (void)scsipi_inqmatch(&sa->sa_inqbuf, 227 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 228 sizeof(cd_patterns[0]), &priority); 229 230 return (priority); 231 } 232 233 static void 234 cdattach(struct device *parent, struct device *self, void *aux) 235 { 236 struct cd_softc *cd = device_private(self); 237 struct scsipibus_attach_args *sa = aux; 238 struct scsipi_periph *periph = sa->sa_periph; 239 240 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 241 242 lockinit(&cd->sc_lock, PRIBIO | PCATCH, "cdlock", 0, 0); 243 244 if (scsipi_periph_bustype(sa->sa_periph) == SCSIPI_BUSTYPE_SCSI && 245 periph->periph_version == 0) 246 cd->flags |= CDF_ANCIENT; 247 248 bufq_alloc(&cd->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK); 249 250 callout_init(&cd->sc_callout); 251 252 /* 253 * Store information needed to contact our base driver 254 */ 255 cd->sc_periph = periph; 256 257 periph->periph_dev = &cd->sc_dev; 258 periph->periph_switch = &cd_switch; 259 260 /* 261 * Increase our openings to the maximum-per-periph 262 * supported by the adapter. This will either be 263 * clamped down or grown by the adapter if necessary. 264 */ 265 periph->periph_openings = 266 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 267 periph->periph_flags |= PERIPH_GROW_OPENINGS; 268 269 /* 270 * Initialize and attach the disk structure. 271 */ 272 cd->sc_dk.dk_driver = &cddkdriver; 273 cd->sc_dk.dk_name = cd->sc_dev.dv_xname; 274 disk_attach(&cd->sc_dk); 275 276 printf("\n"); 277 278 #if NRND > 0 279 rnd_attach_source(&cd->rnd_source, cd->sc_dev.dv_xname, 280 RND_TYPE_DISK, 0); 281 #endif 282 } 283 284 static int 285 cdactivate(struct device *self, enum devact act) 286 { 287 int rv = 0; 288 289 switch (act) { 290 case DVACT_ACTIVATE: 291 rv = EOPNOTSUPP; 292 break; 293 294 case DVACT_DEACTIVATE: 295 /* 296 * Nothing to do; we key off the device's DVF_ACTIVE. 297 */ 298 break; 299 } 300 return (rv); 301 } 302 303 static int 304 cddetach(struct device *self, int flags) 305 { 306 struct cd_softc *cd = device_private(self); 307 int s, bmaj, cmaj, i, mn; 308 309 /* locate the major number */ 310 bmaj = bdevsw_lookup_major(&cd_bdevsw); 311 cmaj = cdevsw_lookup_major(&cd_cdevsw); 312 313 /* Nuke the vnodes for any open instances */ 314 for (i = 0; i < MAXPARTITIONS; i++) { 315 mn = CDMINOR(device_unit(self), i); 316 vdevgone(bmaj, mn, mn, VBLK); 317 vdevgone(cmaj, mn, mn, VCHR); 318 } 319 320 /* kill any pending restart */ 321 callout_stop(&cd->sc_callout); 322 323 s = splbio(); 324 325 /* Kill off any queued buffers. */ 326 bufq_drain(cd->buf_queue); 327 328 bufq_free(cd->buf_queue); 329 330 /* Kill off any pending commands. */ 331 scsipi_kill_pending(cd->sc_periph); 332 333 splx(s); 334 335 lockmgr(&cd->sc_lock, LK_DRAIN, 0); 336 337 /* Detach from the disk list. */ 338 disk_detach(&cd->sc_dk); 339 340 #if 0 341 /* Get rid of the shutdown hook. */ 342 if (cd->sc_sdhook != NULL) 343 shutdownhook_disestablish(cd->sc_sdhook); 344 #endif 345 346 #if NRND > 0 347 /* Unhook the entropy source. */ 348 rnd_detach_source(&cd->rnd_source); 349 #endif 350 351 return (0); 352 } 353 354 /* 355 * open the device. Make sure the partition info is a up-to-date as can be. 356 */ 357 static int 358 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 359 { 360 struct cd_softc *cd; 361 struct scsipi_periph *periph; 362 struct scsipi_adapter *adapt; 363 int unit, part; 364 int error; 365 int rawpart; 366 367 unit = CDUNIT(dev); 368 if (unit >= cd_cd.cd_ndevs) 369 return (ENXIO); 370 cd = cd_cd.cd_devs[unit]; 371 if (cd == NULL) 372 return (ENXIO); 373 374 periph = cd->sc_periph; 375 adapt = periph->periph_channel->chan_adapter; 376 part = CDPART(dev); 377 378 SC_DEBUG(periph, SCSIPI_DB1, 379 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, 380 cd_cd.cd_ndevs, CDPART(dev))); 381 382 /* 383 * If this is the first open of this device, add a reference 384 * to the adapter. 385 */ 386 if (cd->sc_dk.dk_openmask == 0 && 387 (error = scsipi_adapter_addref(adapt)) != 0) 388 return (error); 389 390 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 391 goto bad4; 392 393 rawpart = (part == RAW_PART && fmt == S_IFCHR); 394 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 395 /* 396 * If any partition is open, but the disk has been invalidated, 397 * disallow further opens. 398 */ 399 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 400 !rawpart) { 401 error = EIO; 402 goto bad3; 403 } 404 } else { 405 int silent; 406 407 if (rawpart) 408 silent = XS_CTL_SILENT; 409 else 410 silent = 0; 411 412 /* Check that it is still responding and ok. */ 413 error = scsipi_test_unit_ready(periph, 414 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 415 silent); 416 417 /* 418 * Start the pack spinning if necessary. Always allow the 419 * raw parition to be opened, for raw IOCTLs. Data transfers 420 * will check for SDEV_MEDIA_LOADED. 421 */ 422 if (error == EIO) { 423 int error2; 424 425 error2 = scsipi_start(periph, SSS_START, silent); 426 switch (error2) { 427 case 0: 428 error = 0; 429 break; 430 case EIO: 431 case EINVAL: 432 break; 433 default: 434 error = error2; 435 break; 436 } 437 } 438 if (error) { 439 if (rawpart) 440 goto out; 441 goto bad3; 442 } 443 444 periph->periph_flags |= PERIPH_OPEN; 445 446 /* Lock the pack in. */ 447 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 448 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 449 SC_DEBUG(periph, SCSIPI_DB1, 450 ("cdopen: scsipi_prevent, error=%d\n", error)); 451 if (error) { 452 if (rawpart) 453 goto out; 454 goto bad; 455 } 456 457 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 458 /* Load the physical device parameters. */ 459 if (cd_get_parms(cd, 0) != 0) { 460 if (rawpart) 461 goto out; 462 error = ENXIO; 463 goto bad; 464 } 465 periph->periph_flags |= PERIPH_MEDIA_LOADED; 466 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 467 468 /* Fabricate a disk label. */ 469 cdgetdisklabel(cd); 470 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 471 } 472 } 473 474 /* Check that the partition exists. */ 475 if (part != RAW_PART && 476 (part >= cd->sc_dk.dk_label->d_npartitions || 477 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 478 error = ENXIO; 479 goto bad; 480 } 481 482 out: /* Insure only one open at a time. */ 483 switch (fmt) { 484 case S_IFCHR: 485 cd->sc_dk.dk_copenmask |= (1 << part); 486 break; 487 case S_IFBLK: 488 cd->sc_dk.dk_bopenmask |= (1 << part); 489 break; 490 } 491 cd->sc_dk.dk_openmask = 492 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 493 494 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 495 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 496 return (0); 497 498 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 499 500 bad: 501 if (cd->sc_dk.dk_openmask == 0) { 502 scsipi_prevent(periph, SPAMR_ALLOW, 503 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 504 periph->periph_flags &= ~PERIPH_OPEN; 505 } 506 507 bad3: 508 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 509 bad4: 510 if (cd->sc_dk.dk_openmask == 0) 511 scsipi_adapter_delref(adapt); 512 return (error); 513 } 514 515 /* 516 * close the device.. only called if we are the LAST 517 * occurence of an open device 518 */ 519 static int 520 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 521 { 522 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 523 struct scsipi_periph *periph = cd->sc_periph; 524 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 525 int part = CDPART(dev); 526 int error; 527 528 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 529 return (error); 530 531 switch (fmt) { 532 case S_IFCHR: 533 cd->sc_dk.dk_copenmask &= ~(1 << part); 534 break; 535 case S_IFBLK: 536 cd->sc_dk.dk_bopenmask &= ~(1 << part); 537 break; 538 } 539 cd->sc_dk.dk_openmask = 540 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 541 542 if (cd->sc_dk.dk_openmask == 0) { 543 scsipi_wait_drain(periph); 544 545 scsipi_prevent(periph, SPAMR_ALLOW, 546 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 547 XS_CTL_IGNORE_NOT_READY); 548 periph->periph_flags &= ~PERIPH_OPEN; 549 550 scsipi_wait_drain(periph); 551 552 scsipi_adapter_delref(adapt); 553 } 554 555 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 556 return (0); 557 } 558 559 /* 560 * Actually translate the requested transfer into one the physical driver can 561 * understand. The transfer is described by a buf and will include only one 562 * physical transfer. 563 */ 564 static void 565 cdstrategy(struct buf *bp) 566 { 567 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 568 struct disklabel *lp; 569 struct scsipi_periph *periph = cd->sc_periph; 570 daddr_t blkno; 571 int s; 572 573 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 574 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 575 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 576 /* 577 * If the device has been made invalid, error out 578 * maybe the media changed 579 */ 580 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 581 if (periph->periph_flags & PERIPH_OPEN) 582 bp->b_error = EIO; 583 else 584 bp->b_error = ENODEV; 585 goto bad; 586 } 587 588 lp = cd->sc_dk.dk_label; 589 590 /* 591 * The transfer must be a whole number of blocks, offset must not 592 * be negative. 593 */ 594 if ((bp->b_bcount % lp->d_secsize) != 0 || 595 bp->b_blkno < 0 ) { 596 bp->b_error = EINVAL; 597 goto bad; 598 } 599 /* 600 * If it's a null transfer, return immediately 601 */ 602 if (bp->b_bcount == 0) 603 goto done; 604 605 /* 606 * Do bounds checking, adjust transfer. if error, process. 607 * If end of partition, just return. 608 */ 609 if (CDPART(bp->b_dev) == RAW_PART) { 610 if (bounds_check_with_mediasize(bp, DEV_BSIZE, 611 cd->params.disksize512) <= 0) 612 goto done; 613 } else { 614 if (bounds_check_with_label(&cd->sc_dk, bp, 615 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 616 goto done; 617 } 618 619 /* 620 * Now convert the block number to absolute and put it in 621 * terms of the device's logical block size. 622 */ 623 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 624 if (CDPART(bp->b_dev) != RAW_PART) 625 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 626 627 bp->b_rawblkno = blkno; 628 629 /* 630 * If the disklabel sector size does not match the device 631 * sector size we may need to do some extra work. 632 */ 633 if (lp->d_secsize != cd->params.blksize) { 634 635 /* 636 * If the xfer is not a multiple of the device block size 637 * or it is not block aligned, we need to bounce it. 638 */ 639 if ((bp->b_bcount % cd->params.blksize) != 0 || 640 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 641 struct buf *nbp; 642 void *bounce = NULL; 643 long count; 644 645 if ((bp->b_flags & B_READ) == 0) { 646 647 /* XXXX We don't support bouncing writes. */ 648 bp->b_error = EACCES; 649 goto bad; 650 } 651 count = ((blkno * lp->d_secsize) % cd->params.blksize); 652 /* XXX Store starting offset in bp->b_rawblkno */ 653 bp->b_rawblkno = count; 654 655 count += bp->b_bcount; 656 count = roundup(count, cd->params.blksize); 657 658 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 659 nbp = getiobuf_nowait(); 660 if (!nbp) { 661 /* No memory -- fail the iop. */ 662 bp->b_error = ENOMEM; 663 goto bad; 664 } 665 bounce = malloc(count, M_DEVBUF, M_NOWAIT); 666 if (!bounce) { 667 /* No memory -- fail the iop. */ 668 putiobuf(nbp); 669 bp->b_error = ENOMEM; 670 goto bad; 671 } 672 673 /* Set up the IOP to the bounce buffer. */ 674 nbp->b_error = 0; 675 nbp->b_proc = bp->b_proc; 676 nbp->b_vp = NULLVP; 677 678 nbp->b_bcount = count; 679 nbp->b_bufsize = count; 680 nbp->b_data = bounce; 681 682 nbp->b_rawblkno = blkno; 683 684 /* We need to do a read-modify-write operation */ 685 nbp->b_flags = bp->b_flags | B_READ | B_CALL; 686 nbp->b_iodone = cdbounce; 687 688 /* Put ptr to orig buf in b_private and use new buf */ 689 nbp->b_private = bp; 690 691 BIO_COPYPRIO(nbp, bp); 692 693 bp = nbp; 694 695 } else { 696 /* Xfer is aligned -- just adjust the start block */ 697 bp->b_rawblkno = (blkno * lp->d_secsize) / 698 cd->params.blksize; 699 } 700 } 701 s = splbio(); 702 703 /* 704 * Place it in the queue of disk activities for this disk. 705 * 706 * XXX Only do disksort() if the current operating mode does not 707 * XXX include tagged queueing. 708 */ 709 BUFQ_PUT(cd->buf_queue, bp); 710 711 /* 712 * Tell the device to get going on the transfer if it's 713 * not doing anything, otherwise just wait for completion 714 */ 715 cdstart(cd->sc_periph); 716 717 splx(s); 718 return; 719 720 bad: 721 bp->b_flags |= B_ERROR; 722 done: 723 /* 724 * Correctly set the buf to indicate a completed xfer 725 */ 726 bp->b_resid = bp->b_bcount; 727 biodone(bp); 728 } 729 730 /* 731 * cdstart looks to see if there is a buf waiting for the device 732 * and that the device is not already busy. If both are true, 733 * It deques the buf and creates a scsi command to perform the 734 * transfer in the buf. The transfer request will call scsipi_done 735 * on completion, which will in turn call this routine again 736 * so that the next queued transfer is performed. 737 * The bufs are queued by the strategy routine (cdstrategy) 738 * 739 * This routine is also called after other non-queued requests 740 * have been made of the scsi driver, to ensure that the queue 741 * continues to be drained. 742 * 743 * must be called at the correct (highish) spl level 744 * cdstart() is called at splbio from cdstrategy, cdrestart and scsipi_done 745 */ 746 static void 747 cdstart(struct scsipi_periph *periph) 748 { 749 struct cd_softc *cd = (void *)periph->periph_dev; 750 struct buf *bp = 0; 751 struct scsipi_rw_10 cmd_big; 752 struct scsi_rw_6 cmd_small; 753 struct scsipi_generic *cmdp; 754 struct scsipi_xfer *xs; 755 int flags, nblks, cmdlen, error; 756 757 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 758 /* 759 * Check if the device has room for another command 760 */ 761 while (periph->periph_active < periph->periph_openings) { 762 /* 763 * there is excess capacity, but a special waits 764 * It'll need the adapter as soon as we clear out of the 765 * way and let it run (user level wait). 766 */ 767 if (periph->periph_flags & PERIPH_WAITING) { 768 periph->periph_flags &= ~PERIPH_WAITING; 769 wakeup((caddr_t)periph); 770 return; 771 } 772 773 /* 774 * If the device has become invalid, abort all the 775 * reads and writes until all files have been closed and 776 * re-opened 777 */ 778 if (__predict_false( 779 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 780 if ((bp = BUFQ_GET(cd->buf_queue)) != NULL) { 781 bp->b_error = EIO; 782 bp->b_flags |= B_ERROR; 783 bp->b_resid = bp->b_bcount; 784 biodone(bp); 785 continue; 786 } else { 787 return; 788 } 789 } 790 791 /* 792 * See if there is a buf with work for us to do.. 793 */ 794 if ((bp = BUFQ_PEEK(cd->buf_queue)) == NULL) 795 return; 796 797 /* 798 * We have a buf, now we should make a command. 799 */ 800 801 nblks = howmany(bp->b_bcount, cd->params.blksize); 802 803 /* 804 * Fill out the scsi command. If the transfer will 805 * fit in a "small" cdb, use it. 806 */ 807 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 808 ((nblks & 0xff) == nblks) && 809 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 810 /* 811 * We can fit in a small cdb. 812 */ 813 memset(&cmd_small, 0, sizeof(cmd_small)); 814 cmd_small.opcode = (bp->b_flags & B_READ) ? 815 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 816 _lto3b(bp->b_rawblkno, cmd_small.addr); 817 cmd_small.length = nblks & 0xff; 818 cmdlen = sizeof(cmd_small); 819 cmdp = (struct scsipi_generic *)&cmd_small; 820 } else { 821 /* 822 * Need a large cdb. 823 */ 824 memset(&cmd_big, 0, sizeof(cmd_big)); 825 cmd_big.opcode = (bp->b_flags & B_READ) ? 826 READ_10 : WRITE_10; 827 _lto4b(bp->b_rawblkno, cmd_big.addr); 828 _lto2b(nblks, cmd_big.length); 829 cmdlen = sizeof(cmd_big); 830 cmdp = (struct scsipi_generic *)&cmd_big; 831 } 832 833 /* Instrumentation. */ 834 disk_busy(&cd->sc_dk); 835 836 /* 837 * Figure out what flags to use. 838 */ 839 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 840 if (bp->b_flags & B_READ) 841 flags |= XS_CTL_DATA_IN; 842 else 843 flags |= XS_CTL_DATA_OUT; 844 845 /* 846 * Call the routine that chats with the adapter. 847 * Note: we cannot sleep as we may be an interrupt 848 */ 849 xs = scsipi_make_xs(periph, cmdp, cmdlen, 850 (u_char *)bp->b_data, bp->b_bcount, 851 CDRETRIES, 30000, bp, flags); 852 if (__predict_false(xs == NULL)) { 853 /* 854 * out of memory. Keep this buffer in the queue, and 855 * retry later. 856 */ 857 callout_reset(&cd->sc_callout, hz / 2, cdrestart, 858 periph); 859 return; 860 } 861 /* 862 * need to dequeue the buffer before queuing the command, 863 * because cdstart may be called recursively from the 864 * HBA driver 865 */ 866 #ifdef DIAGNOSTIC 867 if (BUFQ_GET(cd->buf_queue) != bp) 868 panic("cdstart(): dequeued wrong buf"); 869 #else 870 BUFQ_GET(cd->buf_queue); 871 #endif 872 error = scsipi_execute_xs(xs); 873 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 874 KASSERT(error == 0); 875 } 876 } 877 878 static void 879 cdrestart(void *v) 880 { 881 int s = splbio(); 882 cdstart((struct scsipi_periph *)v); 883 splx(s); 884 } 885 886 static void 887 cddone(struct scsipi_xfer *xs, int error) 888 { 889 struct cd_softc *cd = (void *)xs->xs_periph->periph_dev; 890 struct buf *bp = xs->bp; 891 892 if (bp) { 893 /* note, bp->b_resid is NOT initialised */ 894 bp->b_error = error; 895 bp->b_resid = xs->resid; 896 if (error) { 897 /* on a read/write error bp->b_resid is zero, so fix */ 898 bp->b_resid = bp->b_bcount; 899 bp->b_flags |= B_ERROR; 900 } 901 902 disk_unbusy(&cd->sc_dk, bp->b_bcount - bp->b_resid, 903 (bp->b_flags & B_READ)); 904 #if NRND > 0 905 rnd_add_uint32(&cd->rnd_source, bp->b_rawblkno); 906 #endif 907 908 biodone(bp); 909 } 910 } 911 912 static void 913 cdbounce(struct buf *bp) 914 { 915 struct buf *obp = (struct buf *)bp->b_private; 916 917 if (bp->b_flags & B_ERROR) { 918 /* EEK propagate the error and free the memory */ 919 goto done; 920 } 921 if (obp->b_flags & B_READ) { 922 /* Copy data to the final destination and free the buf. */ 923 memcpy(obp->b_data, bp->b_data+obp->b_rawblkno, 924 obp->b_bcount); 925 } else { 926 /* 927 * XXXX This is a CD-ROM -- READ ONLY -- why do we bother with 928 * XXXX any of this write stuff? 929 */ 930 if (bp->b_flags & B_READ) { 931 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 932 struct buf *nbp; 933 int s; 934 935 /* Read part of RMW complete. */ 936 memcpy(bp->b_data+obp->b_rawblkno, obp->b_data, 937 obp->b_bcount); 938 939 /* We need to alloc a new buf. */ 940 nbp = getiobuf_nowait(); 941 if (!nbp) { 942 /* No buf available. */ 943 bp->b_flags |= B_ERROR; 944 bp->b_error = ENOMEM; 945 bp->b_resid = bp->b_bcount; 946 goto done; 947 } 948 949 /* Set up the IOP to the bounce buffer. */ 950 nbp->b_error = 0; 951 nbp->b_proc = bp->b_proc; 952 nbp->b_vp = NULLVP; 953 954 nbp->b_bcount = bp->b_bcount; 955 nbp->b_bufsize = bp->b_bufsize; 956 nbp->b_data = bp->b_data; 957 958 nbp->b_rawblkno = bp->b_rawblkno; 959 960 /* We need to do a read-modify-write operation */ 961 nbp->b_flags = obp->b_flags | B_CALL; 962 nbp->b_iodone = cdbounce; 963 964 /* Put ptr to orig buf in b_private and use new buf */ 965 nbp->b_private = obp; 966 967 s = splbio(); 968 /* 969 * Place it in the queue of disk activities for this 970 * disk. 971 * 972 * XXX Only do disksort() if the current operating mode 973 * XXX does not include tagged queueing. 974 */ 975 BUFQ_PUT(cd->buf_queue, nbp); 976 977 /* 978 * Tell the device to get going on the transfer if it's 979 * not doing anything, otherwise just wait for 980 * completion 981 */ 982 cdstart(cd->sc_periph); 983 984 splx(s); 985 return; 986 987 } 988 } 989 done: 990 obp->b_flags |= bp->b_flags & B_ERROR; 991 obp->b_error = bp->b_error; 992 obp->b_resid = bp->b_resid; 993 free(bp->b_data, M_DEVBUF); 994 biodone(obp); 995 } 996 997 static int 998 cd_interpret_sense(struct scsipi_xfer *xs) 999 { 1000 struct scsipi_periph *periph = xs->xs_periph; 1001 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 1002 int retval = EJUSTRETURN; 1003 1004 /* 1005 * If it isn't a extended or extended/deferred error, let 1006 * the generic code handle it. 1007 */ 1008 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 1009 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 1010 return (retval); 1011 1012 /* 1013 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 1014 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 1015 * wait a bit for the drive to spin up 1016 */ 1017 1018 if (SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY && 1019 sense->asc == 0x4 && 1020 sense->ascq == 0x01) { 1021 /* 1022 * Sleep for 5 seconds to wait for the drive to spin up 1023 */ 1024 1025 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 1026 "spinup\n")); 1027 if (!callout_pending(&periph->periph_callout)) 1028 scsipi_periph_freeze(periph, 1); 1029 callout_reset(&periph->periph_callout, 1030 5 * hz, scsipi_periph_timed_thaw, periph); 1031 retval = ERESTART; 1032 } 1033 1034 /* 1035 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 1036 * progress" (Sense code 0x04, 0x08), then wait for the specified 1037 * time 1038 */ 1039 1040 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1041 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1042 /* 1043 * long write in process; we could listen to the delay; but it 1044 * looks like the skey data is not always returned. 1045 */ 1046 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1047 1048 /* wait for a second and get going again */ 1049 if (!callout_pending(&periph->periph_callout)) 1050 scsipi_periph_freeze(periph, 1); 1051 callout_reset(&periph->periph_callout, 1052 1 * hz, scsipi_periph_timed_thaw, periph); 1053 retval = ERESTART; 1054 } 1055 1056 return (retval); 1057 } 1058 1059 static void 1060 cdminphys(struct buf *bp) 1061 { 1062 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 1063 long xmax; 1064 1065 /* 1066 * If the device is ancient, we want to make sure that 1067 * the transfer fits into a 6-byte cdb. 1068 * 1069 * XXX Note that the SCSI-I spec says that 256-block transfers 1070 * are allowed in a 6-byte read/write, and are specified 1071 * by settng the "length" to 0. However, we're conservative 1072 * here, allowing only 255-block transfers in case an 1073 * ancient device gets confused by length == 0. A length of 0 1074 * in a 10-byte read/write actually means 0 blocks. 1075 */ 1076 if (cd->flags & CDF_ANCIENT) { 1077 xmax = cd->sc_dk.dk_label->d_secsize * 0xff; 1078 1079 if (bp->b_bcount > xmax) 1080 bp->b_bcount = xmax; 1081 } 1082 1083 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 1084 } 1085 1086 static int 1087 cdread(dev_t dev, struct uio *uio, int ioflag) 1088 { 1089 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1090 } 1091 1092 static int 1093 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1094 { 1095 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1096 } 1097 1098 #if 0 /* XXX Not used */ 1099 /* 1100 * conversion between minute-seconde-frame and logical block address 1101 * addresses format 1102 */ 1103 static void 1104 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1105 { 1106 u_long tmp; 1107 1108 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1109 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1110 *m = tmp / (CD_SECS * CD_FRAMES); 1111 tmp %= (CD_SECS * CD_FRAMES); 1112 *s = tmp / CD_FRAMES; 1113 *f = tmp % CD_FRAMES; 1114 } 1115 #endif /* XXX Not used */ 1116 1117 /* 1118 * Convert an hour:minute:second:frame address to a logical block adres. In 1119 * theory the number of secs/minute and number of frames/second could be 1120 * configured differently in the device as could the block offset but in 1121 * practice these values are rock solid and most drives don't even allow 1122 * theses values to be changed. 1123 */ 1124 static uint32_t 1125 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1126 { 1127 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1128 - CD_BLOCK_OFFSET; 1129 } 1130 1131 static int 1132 cdreadmsaddr(struct cd_softc *cd, int *addr) 1133 { 1134 struct scsipi_periph *periph = cd->sc_periph; 1135 int error; 1136 struct cd_formatted_toc toc; 1137 struct cd_toc_entry *cte; 1138 1139 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, &toc, 1140 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1141 XS_CTL_DATA_ONSTACK, 1142 0x40 /* control word for "get MS info" */); 1143 1144 if (error) 1145 return (error); 1146 1147 cte = &toc.entries[0]; 1148 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1149 cte->addr.lba = le32toh(cte->addr.lba); 1150 toc.header.len = le16toh(toc.header.len); 1151 } else { 1152 cte->addr.lba = be32toh(cte->addr.lba); 1153 toc.header.len = be16toh(toc.header.len); 1154 } 1155 1156 *addr = (toc.header.len >= 10 && cte->track > 1) ? 1157 cte->addr.lba : 0; 1158 return 0; 1159 } 1160 1161 /* synchronise caches code from sd.c, move to scsipi_ioctl.c ? */ 1162 static int 1163 cdcachesync(struct scsipi_periph *periph, int flags) { 1164 struct scsi_synchronize_cache_10 cmd; 1165 1166 /* 1167 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1168 * and length 0 as it can't synchronise parts of the disc per spec. 1169 * We ignore ILLEGAL REQUEST in the event that the command is not 1170 * supported by the device, and poll for completion so that we know 1171 * that the cache has actually been flushed. 1172 * 1173 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1174 */ 1175 1176 memset(&cmd, 0, sizeof(cmd)); 1177 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1178 1179 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1180 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1181 } 1182 1183 /* 1184 * Perform special action on behalf of the user. 1185 * Knows about the internals of this device 1186 */ 1187 static int 1188 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct lwp *l) 1189 { 1190 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 1191 struct scsipi_periph *periph = cd->sc_periph; 1192 int part = CDPART(dev); 1193 int error = 0; 1194 int s; 1195 #ifdef __HAVE_OLD_DISKLABEL 1196 struct disklabel *newlabel = NULL; 1197 #endif 1198 1199 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1200 1201 /* 1202 * If the device is not valid, some IOCTLs can still be 1203 * handled on the raw partition. Check this here. 1204 */ 1205 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1206 switch (cmd) { 1207 case DIOCWLABEL: 1208 case DIOCLOCK: 1209 case ODIOCEJECT: 1210 case DIOCEJECT: 1211 case DIOCCACHESYNC: 1212 case SCIOCIDENTIFY: 1213 case OSCIOCIDENTIFY: 1214 case SCIOCCOMMAND: 1215 case SCIOCDEBUG: 1216 case CDIOCGETVOL: 1217 case CDIOCSETVOL: 1218 case CDIOCSETMONO: 1219 case CDIOCSETSTEREO: 1220 case CDIOCSETMUTE: 1221 case CDIOCSETLEFT: 1222 case CDIOCSETRIGHT: 1223 case CDIOCCLOSE: 1224 case CDIOCEJECT: 1225 case CDIOCALLOW: 1226 case CDIOCPREVENT: 1227 case CDIOCSETDEBUG: 1228 case CDIOCCLRDEBUG: 1229 case CDIOCRESET: 1230 case SCIOCRESET: 1231 case CDIOCLOADUNLOAD: 1232 case DVD_AUTH: 1233 case DVD_READ_STRUCT: 1234 case DIOCGSTRATEGY: 1235 case DIOCSSTRATEGY: 1236 if (part == RAW_PART) 1237 break; 1238 /* FALLTHROUGH */ 1239 default: 1240 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1241 return (ENODEV); 1242 else 1243 return (EIO); 1244 } 1245 } 1246 1247 switch (cmd) { 1248 case DIOCGDINFO: 1249 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1250 return (0); 1251 #ifdef __HAVE_OLD_DISKLABEL 1252 case ODIOCGDINFO: 1253 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1254 if (newlabel == NULL) 1255 return (EIO); 1256 memcpy(newlabel, cd->sc_dk.dk_label, sizeof (*newlabel)); 1257 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1258 error = ENOTTY; 1259 else 1260 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1261 free(newlabel, M_TEMP); 1262 return error; 1263 #endif 1264 1265 case DIOCGPART: 1266 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1267 ((struct partinfo *)addr)->part = 1268 &cd->sc_dk.dk_label->d_partitions[part]; 1269 return (0); 1270 1271 case DIOCWDINFO: 1272 case DIOCSDINFO: 1273 #ifdef __HAVE_OLD_DISKLABEL 1274 case ODIOCWDINFO: 1275 case ODIOCSDINFO: 1276 #endif 1277 { 1278 struct disklabel *lp; 1279 1280 if ((flag & FWRITE) == 0) 1281 return (EBADF); 1282 1283 #ifdef __HAVE_OLD_DISKLABEL 1284 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1285 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1286 if (newlabel == NULL) 1287 return (EIO); 1288 memset(newlabel, 0, sizeof newlabel); 1289 memcpy(newlabel, addr, sizeof (struct olddisklabel)); 1290 lp = newlabel; 1291 } else 1292 #endif 1293 lp = (struct disklabel *)addr; 1294 1295 if ((error = lockmgr(&cd->sc_lock, LK_EXCLUSIVE, NULL)) != 0) 1296 goto bad; 1297 cd->flags |= CDF_LABELLING; 1298 1299 error = setdisklabel(cd->sc_dk.dk_label, 1300 lp, /*cd->sc_dk.dk_openmask : */0, 1301 cd->sc_dk.dk_cpulabel); 1302 if (error == 0) { 1303 /* XXX ? */ 1304 } 1305 1306 cd->flags &= ~CDF_LABELLING; 1307 lockmgr(&cd->sc_lock, LK_RELEASE, NULL); 1308 bad: 1309 #ifdef __HAVE_OLD_DISKLABEL 1310 if (newlabel != NULL) 1311 free(newlabel, M_TEMP); 1312 #endif 1313 return (error); 1314 } 1315 1316 case DIOCWLABEL: 1317 return (EBADF); 1318 1319 case DIOCGDEFLABEL: 1320 cdgetdefaultlabel(cd, (struct disklabel *)addr); 1321 return (0); 1322 1323 #ifdef __HAVE_OLD_DISKLABEL 1324 case ODIOCGDEFLABEL: 1325 newlabel = malloc(sizeof (*newlabel), M_TEMP, M_WAITOK); 1326 if (newlabel == NULL) 1327 return (EIO); 1328 cdgetdefaultlabel(cd, newlabel); 1329 if (newlabel->d_npartitions > OLDMAXPARTITIONS) 1330 error = ENOTTY; 1331 else 1332 memcpy(addr, newlabel, sizeof (struct olddisklabel)); 1333 free(newlabel, M_TEMP); 1334 return error; 1335 #endif 1336 1337 case CDIOCPLAYTRACKS: { 1338 /* PLAY_MSF command */ 1339 struct ioc_play_track *args = (struct ioc_play_track *)addr; 1340 1341 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1342 return (error); 1343 return (cd_play_tracks(cd, args->start_track, 1344 args->start_index, args->end_track, args->end_index)); 1345 } 1346 case CDIOCPLAYMSF: { 1347 /* PLAY_MSF command */ 1348 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 1349 1350 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1351 return (error); 1352 return (cd_play_msf(cd, args->start_m, args->start_s, 1353 args->start_f, args->end_m, args->end_s, args->end_f)); 1354 } 1355 case CDIOCPLAYBLOCKS: { 1356 /* PLAY command */ 1357 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 1358 1359 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1360 return (error); 1361 return (cd_play(cd, args->blk, args->len)); 1362 } 1363 case CDIOCREADSUBCHANNEL: { 1364 /* READ_SUBCHANNEL command */ 1365 struct ioc_read_subchannel *args = 1366 (struct ioc_read_subchannel *)addr; 1367 struct cd_sub_channel_info data; 1368 u_int len = args->data_len; 1369 1370 if (len > sizeof(data) || 1371 len < sizeof(struct cd_sub_channel_header)) 1372 return (EINVAL); 1373 error = cd_read_subchannel(cd, args->address_format, 1374 args->data_format, args->track, &data, len, 1375 XS_CTL_DATA_ONSTACK); 1376 if (error) 1377 return (error); 1378 len = min(len, _2btol(data.header.data_len) + 1379 sizeof(struct cd_sub_channel_header)); 1380 return (copyout(&data, args->data, len)); 1381 } 1382 case CDIOREADTOCHEADER: { 1383 /* READ TOC format 0 command, static header */ 1384 struct ioc_toc_header th; 1385 1386 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, &th, sizeof(th), 1387 XS_CTL_DATA_ONSTACK, 0)) != 0) 1388 return (error); 1389 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1390 th.len = le16toh(th.len); 1391 else 1392 th.len = be16toh(th.len); 1393 memcpy(addr, &th, sizeof(th)); 1394 return (0); 1395 } 1396 case CDIOREADTOCENTRYS: { 1397 /* READ TOC format 0 command, entries */ 1398 struct cd_formatted_toc toc; 1399 struct ioc_read_toc_entry *te = 1400 (struct ioc_read_toc_entry *)addr; 1401 struct ioc_toc_header *th; 1402 struct cd_toc_entry *cte; 1403 u_int len = te->data_len; 1404 int ntracks; 1405 1406 th = &toc.header; 1407 1408 if (len > sizeof(toc.entries) || 1409 len < sizeof(struct cd_toc_entry)) 1410 return (EINVAL); 1411 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1412 te->starting_track, &toc, 1413 len + sizeof(struct ioc_toc_header), 1414 XS_CTL_DATA_ONSTACK, 0); 1415 if (error) 1416 return (error); 1417 if (te->address_format == CD_LBA_FORMAT) 1418 for (ntracks = 1419 th->ending_track - th->starting_track + 1; 1420 ntracks >= 0; ntracks--) { 1421 cte = &toc.entries[ntracks]; 1422 cte->addr_type = CD_LBA_FORMAT; 1423 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1424 cte->addr.lba = le32toh(cte->addr.lba); 1425 else 1426 cte->addr.lba = be32toh(cte->addr.lba); 1427 } 1428 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1429 th->len = le16toh(th->len); 1430 else 1431 th->len = be16toh(th->len); 1432 len = min(len, th->len - (sizeof(th->starting_track) + 1433 sizeof(th->ending_track))); 1434 return (copyout(toc.entries, te->data, len)); 1435 } 1436 case CDIOREADMSADDR: { 1437 /* READ TOC format 0 command, length of first track only */ 1438 int sessno = *(int*)addr; 1439 1440 if (sessno != 0) 1441 return (EINVAL); 1442 1443 return (cdreadmsaddr(cd, (int*)addr)); 1444 } 1445 case CDIOCSETPATCH: { 1446 struct ioc_patch *arg = (struct ioc_patch *)addr; 1447 1448 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1449 arg->patch[2], arg->patch[3], 0)); 1450 } 1451 case CDIOCGETVOL: { 1452 /* MODE SENSE command (AUDIO page) */ 1453 struct ioc_vol *arg = (struct ioc_vol *)addr; 1454 1455 return (cd_getvol(cd, arg, 0)); 1456 } 1457 case CDIOCSETVOL: { 1458 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1459 struct ioc_vol *arg = (struct ioc_vol *)addr; 1460 1461 return (cd_setvol(cd, arg, 0)); 1462 } 1463 case CDIOCSETMONO: 1464 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1465 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1466 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1467 1468 case CDIOCSETSTEREO: 1469 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1470 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1471 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1472 1473 case CDIOCSETMUTE: 1474 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1475 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1476 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1477 1478 case CDIOCSETLEFT: 1479 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1480 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1481 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1482 1483 case CDIOCSETRIGHT: 1484 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1485 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1486 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1487 1488 case CDIOCRESUME: 1489 /* PAUSE command */ 1490 return (cd_pause(cd, PA_RESUME)); 1491 case CDIOCPAUSE: 1492 /* PAUSE command */ 1493 return (cd_pause(cd, PA_PAUSE)); 1494 case CDIOCSTART: 1495 return (scsipi_start(periph, SSS_START, 0)); 1496 case CDIOCSTOP: 1497 return (scsipi_start(periph, SSS_STOP, 0)); 1498 case CDIOCCLOSE: 1499 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1500 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1501 case DIOCEJECT: 1502 if (*(int *)addr == 0) { 1503 /* 1504 * Don't force eject: check that we are the only 1505 * partition open. If so, unlock it. 1506 */ 1507 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1508 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1509 cd->sc_dk.dk_openmask) { 1510 error = scsipi_prevent(periph, SPAMR_ALLOW, 1511 XS_CTL_IGNORE_NOT_READY); 1512 if (error) 1513 return (error); 1514 } else { 1515 return (EBUSY); 1516 } 1517 } 1518 /* FALLTHROUGH */ 1519 case CDIOCEJECT: /* FALLTHROUGH */ 1520 case ODIOCEJECT: 1521 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1522 case DIOCCACHESYNC: 1523 /* SYNCHRONISE CACHES command */ 1524 return (cdcachesync(periph, 0)); 1525 case CDIOCALLOW: 1526 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1527 case CDIOCPREVENT: 1528 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1529 case DIOCLOCK: 1530 return (scsipi_prevent(periph, 1531 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1532 case CDIOCSETDEBUG: 1533 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1534 return (0); 1535 case CDIOCCLRDEBUG: 1536 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1537 return (0); 1538 case CDIOCRESET: 1539 case SCIOCRESET: 1540 return (cd_reset(cd)); 1541 case CDIOCLOADUNLOAD: 1542 /* LOAD_UNLOAD command */ 1543 return (cd_load_unload(cd, (struct ioc_load_unload *)addr)); 1544 case DVD_AUTH: 1545 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1546 return (dvd_auth(cd, (dvd_authinfo *)addr)); 1547 case DVD_READ_STRUCT: 1548 /* GPCMD_READ_DVD_STRUCTURE command */ 1549 return (dvd_read_struct(cd, (dvd_struct *)addr)); 1550 case MMCGETDISCINFO: 1551 /* 1552 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1553 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1554 */ 1555 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1556 case MMCGETTRACKINFO: 1557 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1558 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1559 case DIOCGSTRATEGY: 1560 { 1561 struct disk_strategy *dks = (void *)addr; 1562 1563 s = splbio(); 1564 strlcpy(dks->dks_name, bufq_getstrategyname(cd->buf_queue), 1565 sizeof(dks->dks_name)); 1566 splx(s); 1567 dks->dks_paramlen = 0; 1568 1569 return 0; 1570 } 1571 case DIOCSSTRATEGY: 1572 { 1573 struct disk_strategy *dks = (void *)addr; 1574 struct bufq_state *new; 1575 struct bufq_state *old; 1576 1577 if ((flag & FWRITE) == 0) { 1578 return EBADF; 1579 } 1580 if (dks->dks_param != NULL) { 1581 return EINVAL; 1582 } 1583 dks->dks_name[sizeof(dks->dks_name) - 1] = 0; /* ensure term */ 1584 error = bufq_alloc(&new, dks->dks_name, 1585 BUFQ_EXACT|BUFQ_SORT_RAWBLOCK); 1586 if (error) { 1587 return error; 1588 } 1589 s = splbio(); 1590 old = cd->buf_queue; 1591 bufq_move(new, old); 1592 cd->buf_queue = new; 1593 splx(s); 1594 bufq_free(old); 1595 1596 return 0; 1597 } 1598 default: 1599 if (part != RAW_PART) 1600 return (ENOTTY); 1601 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, l)); 1602 } 1603 1604 #ifdef DIAGNOSTIC 1605 panic("cdioctl: impossible"); 1606 #endif 1607 } 1608 1609 static void 1610 cdgetdefaultlabel(struct cd_softc *cd, struct disklabel *lp) 1611 { 1612 int lastsession; 1613 1614 memset(lp, 0, sizeof(struct disklabel)); 1615 1616 lp->d_secsize = cd->params.blksize; 1617 lp->d_ntracks = 1; 1618 lp->d_nsectors = 100; 1619 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1620 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1621 1622 switch (scsipi_periph_bustype(cd->sc_periph)) { 1623 case SCSIPI_BUSTYPE_SCSI: 1624 lp->d_type = DTYPE_SCSI; 1625 break; 1626 case SCSIPI_BUSTYPE_ATAPI: 1627 lp->d_type = DTYPE_ATAPI; 1628 break; 1629 } 1630 /* 1631 * XXX 1632 * We could probe the mode pages to figure out what kind of disc it is. 1633 * Is this worthwhile? 1634 */ 1635 strncpy(lp->d_typename, "mydisc", 16); 1636 strncpy(lp->d_packname, "fictitious", 16); 1637 lp->d_secperunit = cd->params.disksize; 1638 lp->d_rpm = 300; 1639 lp->d_interleave = 1; 1640 lp->d_flags = D_REMOVABLE; 1641 1642 if (cdreadmsaddr(cd, &lastsession) != 0) 1643 lastsession = 0; 1644 1645 lp->d_partitions[0].p_offset = 0; 1646 lp->d_partitions[0].p_size = lp->d_secperunit; 1647 lp->d_partitions[0].p_cdsession = lastsession; 1648 lp->d_partitions[0].p_fstype = FS_ISO9660; 1649 lp->d_partitions[RAW_PART].p_offset = 0; 1650 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1651 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1652 lp->d_npartitions = RAW_PART + 1; 1653 1654 lp->d_magic = DISKMAGIC; 1655 lp->d_magic2 = DISKMAGIC; 1656 lp->d_checksum = dkcksum(lp); 1657 } 1658 1659 /* 1660 * Load the label information on the named device 1661 * Actually fabricate a disklabel 1662 * 1663 * EVENTUALLY take information about different 1664 * data tracks from the TOC and put it in the disklabel 1665 */ 1666 static void 1667 cdgetdisklabel(struct cd_softc *cd) 1668 { 1669 struct disklabel *lp = cd->sc_dk.dk_label; 1670 const char *errstring; 1671 1672 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1673 1674 cdgetdefaultlabel(cd, lp); 1675 1676 /* 1677 * Call the generic disklabel extraction routine 1678 */ 1679 errstring = readdisklabel(MAKECDDEV(0, device_unit(&cd->sc_dev), 1680 RAW_PART), cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1681 1682 /* if all went OK, we are passed a NULL error string */ 1683 if (errstring == NULL) 1684 return; 1685 1686 /* Reset to default label -- after printing error and the warning */ 1687 printf("%s: %s\n", cd->sc_dev.dv_xname, errstring); 1688 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1689 cdgetdefaultlabel(cd, lp); 1690 } 1691 1692 /* 1693 * Reading a discs total capacity is aparently a very difficult issue for the 1694 * SCSI standardisation group. Every disc type seems to have its own 1695 * (re)invented size request method and modifiers. The failsafe way of 1696 * determining the total (max) capacity i.e. not the recorded capacity but the 1697 * total maximum capacity is to request the info on the last track and 1698 * calucate the total size. 1699 * 1700 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1701 * we count. 1702 */ 1703 static int 1704 read_cd_capacity(struct scsipi_periph *periph, u_int *blksize, u_long *size) 1705 { 1706 struct scsipi_read_cd_capacity cap_cmd; 1707 struct scsipi_read_cd_cap_data cap; 1708 struct scsipi_read_discinfo di_cmd; 1709 struct scsipi_read_discinfo_data di; 1710 struct scsipi_read_trackinfo ti_cmd; 1711 struct scsipi_read_trackinfo_data ti; 1712 uint32_t track_start, track_size; 1713 int error, flags, msb, lsb, last_track; 1714 1715 /* if the device doesn't grog capacity, return the dummies */ 1716 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1717 return 0; 1718 1719 /* first try read CD capacity for blksize and recorded size */ 1720 /* issue the cd capacity request */ 1721 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 1722 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1723 cap_cmd.opcode = READ_CD_CAPACITY; 1724 1725 error = scsipi_command(periph, 1726 (void *) &cap_cmd, sizeof(cap_cmd), 1727 (void *) &cap, sizeof(cap), 1728 CDRETRIES, 30000, NULL, flags); 1729 if (error) 1730 return error; 1731 1732 /* retrieve values and sanity check them */ 1733 *blksize = _4btol(cap.length); 1734 *size = _4btol(cap.addr); 1735 1736 /* blksize is 2048 for CD, but some drives give gibberish */ 1737 if ((*blksize < 512) || ((*blksize & 511) != 0)) 1738 *blksize = 2048; /* some drives lie ! */ 1739 1740 /* recordables have READ_DISCINFO implemented */ 1741 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 1742 memset(&di_cmd, 0, sizeof(di_cmd)); 1743 di_cmd.opcode = READ_DISCINFO; 1744 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1745 1746 error = scsipi_command(periph, 1747 (void *) &di_cmd, sizeof(di_cmd), 1748 (void *) &di, READ_DISCINFO_BIGSIZE, 1749 CDRETRIES, 30000, NULL, flags); 1750 if (error == 0) { 1751 msb = di.last_track_last_session_msb; 1752 lsb = di.last_track_last_session_lsb; 1753 last_track = (msb << 8) | lsb; 1754 1755 /* request info on last track */ 1756 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1757 ti_cmd.opcode = READ_TRACKINFO; 1758 ti_cmd.addr_type = 1; /* on tracknr */ 1759 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1760 _lto2b(sizeof(ti), ti_cmd.data_len); 1761 1762 error = scsipi_command(periph, 1763 (void *) &ti_cmd, sizeof(ti_cmd), 1764 (void *) &ti, sizeof(ti), 1765 CDRETRIES, 30000, NULL, flags); 1766 if (error == 0) { 1767 track_start = _4btol(ti.track_start); 1768 track_size = _4btol(ti.track_size); 1769 1770 /* overwrite only with a sane value */ 1771 if (track_start + track_size >= 100) 1772 *size = track_start + track_size; 1773 } 1774 } 1775 1776 /* sanity check for size */ 1777 if (*size < 100) 1778 *size = 400000; 1779 1780 return 0; 1781 } 1782 1783 /* 1784 * Find out from the device what it's capacity is 1785 */ 1786 static u_long 1787 cd_size(struct cd_softc *cd, int flags) 1788 { 1789 u_int blksize; 1790 u_long size; 1791 int error; 1792 1793 /* set up fake values */ 1794 blksize = 2048; 1795 size = 400000; 1796 1797 /* if this function bounces with an error return fake value */ 1798 error = read_cd_capacity(cd->sc_periph, &blksize, &size); 1799 if (error) 1800 return size; 1801 1802 if (blksize != 2048) { 1803 if (cd_setblksize(cd) == 0) 1804 blksize = 2048; 1805 } 1806 cd->params.blksize = blksize; 1807 cd->params.disksize = size; 1808 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1809 1810 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1811 ("cd_size: %u %lu\n", blksize, size)); 1812 1813 return size; 1814 } 1815 1816 /* 1817 * Get scsi driver to send a "start playing" command 1818 */ 1819 static int 1820 cd_play(struct cd_softc *cd, int blkno, int nblks) 1821 { 1822 struct scsipi_play cmd; 1823 1824 memset(&cmd, 0, sizeof(cmd)); 1825 cmd.opcode = PLAY; 1826 _lto4b(blkno, cmd.blk_addr); 1827 _lto2b(nblks, cmd.xfer_len); 1828 1829 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1830 CDRETRIES, 30000, NULL, 0)); 1831 } 1832 1833 /* 1834 * Get scsi driver to send a "start playing" command 1835 */ 1836 static int 1837 cd_play_tracks(struct cd_softc *cd, int strack, int sindex, int etrack, 1838 int eindex) 1839 { 1840 struct cd_formatted_toc toc; 1841 int error; 1842 1843 if (!etrack) 1844 return (EIO); 1845 if (strack > etrack) 1846 return (EINVAL); 1847 1848 error = cd_load_toc(cd, CD_TOC_FORM, &toc, XS_CTL_DATA_ONSTACK); 1849 if (error) 1850 return (error); 1851 1852 if (++etrack > (toc.header.ending_track+1)) 1853 etrack = toc.header.ending_track+1; 1854 1855 strack -= toc.header.starting_track; 1856 etrack -= toc.header.starting_track; 1857 if (strack < 0) 1858 return (EINVAL); 1859 1860 return (cd_play_msf(cd, toc.entries[strack].addr.msf.minute, 1861 toc.entries[strack].addr.msf.second, 1862 toc.entries[strack].addr.msf.frame, 1863 toc.entries[etrack].addr.msf.minute, 1864 toc.entries[etrack].addr.msf.second, 1865 toc.entries[etrack].addr.msf.frame)); 1866 } 1867 1868 /* 1869 * Get scsi driver to send a "play msf" command 1870 */ 1871 static int 1872 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1873 int ends, int endf) 1874 { 1875 struct scsipi_play_msf cmd; 1876 1877 memset(&cmd, 0, sizeof(cmd)); 1878 cmd.opcode = PLAY_MSF; 1879 cmd.start_m = startm; 1880 cmd.start_s = starts; 1881 cmd.start_f = startf; 1882 cmd.end_m = endm; 1883 cmd.end_s = ends; 1884 cmd.end_f = endf; 1885 1886 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1887 CDRETRIES, 30000, NULL, 0)); 1888 } 1889 1890 /* 1891 * Get scsi driver to send a "start up" command 1892 */ 1893 static int 1894 cd_pause(struct cd_softc *cd, int go) 1895 { 1896 struct scsipi_pause cmd; 1897 1898 memset(&cmd, 0, sizeof(cmd)); 1899 cmd.opcode = PAUSE; 1900 cmd.resume = go & 0xff; 1901 1902 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1903 CDRETRIES, 30000, NULL, 0)); 1904 } 1905 1906 /* 1907 * Get scsi driver to send a "RESET" command 1908 */ 1909 static int 1910 cd_reset(struct cd_softc *cd) 1911 { 1912 1913 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1914 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1915 } 1916 1917 /* 1918 * Read subchannel 1919 */ 1920 static int 1921 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1922 struct cd_sub_channel_info *data, int len, int flags) 1923 { 1924 struct scsipi_read_subchannel cmd; 1925 1926 memset(&cmd, 0, sizeof(cmd)); 1927 cmd.opcode = READ_SUBCHANNEL; 1928 if (mode == CD_MSF_FORMAT) 1929 cmd.byte2 |= CD_MSF; 1930 cmd.byte3 = SRS_SUBQ; 1931 cmd.subchan_format = format; 1932 cmd.track = track; 1933 _lto2b(len, cmd.data_len); 1934 1935 return (scsipi_command(cd->sc_periph, 1936 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1937 (void *)data, len, 1938 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1939 } 1940 1941 /* 1942 * Read table of contents 1943 */ 1944 static int 1945 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, void *data, int len, 1946 int flags, int control) 1947 { 1948 struct scsipi_read_toc cmd; 1949 int ntoc; 1950 1951 memset(&cmd, 0, sizeof(cmd)); 1952 #if 0 1953 if (len != sizeof(struct ioc_toc_header)) 1954 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1955 sizeof(struct cd_toc_entry); 1956 else 1957 #endif 1958 ntoc = len; 1959 cmd.opcode = READ_TOC; 1960 if (mode == CD_MSF_FORMAT) 1961 cmd.addr_mode |= CD_MSF; 1962 cmd.resp_format = respf; 1963 cmd.from_track = start; 1964 _lto2b(ntoc, cmd.data_len); 1965 cmd.control = control; 1966 1967 return (scsipi_command(cd->sc_periph, 1968 (void *)&cmd, sizeof(cmd), (void *)data, len, CDRETRIES, 1969 30000, NULL, flags | XS_CTL_DATA_IN)); 1970 } 1971 1972 static int 1973 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1974 { 1975 int ntracks, len, error; 1976 1977 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1978 flags, 0)) != 0) 1979 return (error); 1980 1981 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1982 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1983 sizeof(toc->header); 1984 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1985 flags, 0)) != 0) 1986 return (error); 1987 return (0); 1988 } 1989 1990 /* 1991 * Get the scsi driver to send a full inquiry to the device and use the 1992 * results to fill out the disk parameter structure. 1993 */ 1994 static int 1995 cd_get_parms(struct cd_softc *cd, int flags) 1996 { 1997 1998 /* 1999 * give a number of sectors so that sec * trks * cyls 2000 * is <= disk_size 2001 */ 2002 if (cd_size(cd, flags) == 0) 2003 return (ENXIO); 2004 disk_blocksize(&cd->sc_dk, cd->params.blksize); 2005 return (0); 2006 } 2007 2008 static int 2009 cdsize(dev_t dev) 2010 { 2011 2012 /* CD-ROMs are read-only. */ 2013 return (-1); 2014 } 2015 2016 static int 2017 cddump(dev_t dev, daddr_t blkno, caddr_t va, 2018 size_t size) 2019 { 2020 2021 /* Not implemented. */ 2022 return (ENXIO); 2023 } 2024 2025 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 2026 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 2027 2028 static int 2029 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 2030 { 2031 struct scsipi_generic cmd; 2032 u_int8_t bf[20]; 2033 int error; 2034 2035 memset(cmd.bytes, 0, 15); 2036 memset(bf, 0, sizeof(bf)); 2037 2038 switch (a->type) { 2039 case DVD_LU_SEND_AGID: 2040 cmd.opcode = GPCMD_REPORT_KEY; 2041 cmd.bytes[8] = 8; 2042 cmd.bytes[9] = 0 | (0 << 6); 2043 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2044 CDRETRIES, 30000, NULL, 2045 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2046 if (error) 2047 return (error); 2048 a->lsa.agid = bf[7] >> 6; 2049 return (0); 2050 2051 case DVD_LU_SEND_CHALLENGE: 2052 cmd.opcode = GPCMD_REPORT_KEY; 2053 cmd.bytes[8] = 16; 2054 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 2055 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2056 CDRETRIES, 30000, NULL, 2057 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2058 if (error) 2059 return (error); 2060 dvd_copy_challenge(a->lsc.chal, &bf[4]); 2061 return (0); 2062 2063 case DVD_LU_SEND_KEY1: 2064 cmd.opcode = GPCMD_REPORT_KEY; 2065 cmd.bytes[8] = 12; 2066 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 2067 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2068 CDRETRIES, 30000, NULL, 2069 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2070 if (error) 2071 return (error); 2072 dvd_copy_key(a->lsk.key, &bf[4]); 2073 return (0); 2074 2075 case DVD_LU_SEND_TITLE_KEY: 2076 cmd.opcode = GPCMD_REPORT_KEY; 2077 _lto4b(a->lstk.lba, &cmd.bytes[1]); 2078 cmd.bytes[8] = 12; 2079 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 2080 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2081 CDRETRIES, 30000, NULL, 2082 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2083 if (error) 2084 return (error); 2085 a->lstk.cpm = (bf[4] >> 7) & 1; 2086 a->lstk.cp_sec = (bf[4] >> 6) & 1; 2087 a->lstk.cgms = (bf[4] >> 4) & 3; 2088 dvd_copy_key(a->lstk.title_key, &bf[5]); 2089 return (0); 2090 2091 case DVD_LU_SEND_ASF: 2092 cmd.opcode = GPCMD_REPORT_KEY; 2093 cmd.bytes[8] = 8; 2094 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 2095 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2096 CDRETRIES, 30000, NULL, 2097 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2098 if (error) 2099 return (error); 2100 a->lsasf.asf = bf[7] & 1; 2101 return (0); 2102 2103 case DVD_HOST_SEND_CHALLENGE: 2104 cmd.opcode = GPCMD_SEND_KEY; 2105 cmd.bytes[8] = 16; 2106 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 2107 bf[1] = 14; 2108 dvd_copy_challenge(&bf[4], a->hsc.chal); 2109 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2110 CDRETRIES, 30000, NULL, 2111 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2112 if (error) 2113 return (error); 2114 a->type = DVD_LU_SEND_KEY1; 2115 return (0); 2116 2117 case DVD_HOST_SEND_KEY2: 2118 cmd.opcode = GPCMD_SEND_KEY; 2119 cmd.bytes[8] = 12; 2120 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 2121 bf[1] = 10; 2122 dvd_copy_key(&bf[4], a->hsk.key); 2123 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 2124 CDRETRIES, 30000, NULL, 2125 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2126 if (error) { 2127 a->type = DVD_AUTH_FAILURE; 2128 return (error); 2129 } 2130 a->type = DVD_AUTH_ESTABLISHED; 2131 return (0); 2132 2133 case DVD_INVALIDATE_AGID: 2134 cmd.opcode = GPCMD_REPORT_KEY; 2135 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 2136 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 2137 CDRETRIES, 30000, NULL, 0); 2138 if (error) 2139 return (error); 2140 return (0); 2141 2142 case DVD_LU_SEND_RPC_STATE: 2143 cmd.opcode = GPCMD_REPORT_KEY; 2144 cmd.bytes[8] = 8; 2145 cmd.bytes[9] = 8 | (0 << 6); 2146 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2147 CDRETRIES, 30000, NULL, 2148 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2149 if (error) 2150 return (error); 2151 a->lrpcs.type = (bf[4] >> 6) & 3; 2152 a->lrpcs.vra = (bf[4] >> 3) & 7; 2153 a->lrpcs.ucca = (bf[4]) & 7; 2154 a->lrpcs.region_mask = bf[5]; 2155 a->lrpcs.rpc_scheme = bf[6]; 2156 return (0); 2157 2158 case DVD_HOST_SEND_RPC_STATE: 2159 cmd.opcode = GPCMD_SEND_KEY; 2160 cmd.bytes[8] = 8; 2161 cmd.bytes[9] = 6 | (0 << 6); 2162 bf[1] = 6; 2163 bf[4] = a->hrpcs.pdrc; 2164 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 2165 CDRETRIES, 30000, NULL, 2166 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 2167 if (error) 2168 return (error); 2169 return (0); 2170 2171 default: 2172 return (ENOTTY); 2173 } 2174 } 2175 2176 static int 2177 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 2178 { 2179 struct scsipi_generic cmd; 2180 u_int8_t bf[4 + 4 * 20], *bufp; 2181 int error; 2182 struct dvd_layer *layer; 2183 int i; 2184 2185 memset(cmd.bytes, 0, 15); 2186 memset(bf, 0, sizeof(bf)); 2187 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2188 cmd.bytes[6] = s->type; 2189 _lto2b(sizeof(bf), &cmd.bytes[7]); 2190 2191 cmd.bytes[5] = s->physical.layer_num; 2192 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2193 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2194 if (error) 2195 return (error); 2196 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2197 i++, bufp += 20, layer++) { 2198 memset(layer, 0, sizeof(*layer)); 2199 layer->book_version = bufp[0] & 0xf; 2200 layer->book_type = bufp[0] >> 4; 2201 layer->min_rate = bufp[1] & 0xf; 2202 layer->disc_size = bufp[1] >> 4; 2203 layer->layer_type = bufp[2] & 0xf; 2204 layer->track_path = (bufp[2] >> 4) & 1; 2205 layer->nlayers = (bufp[2] >> 5) & 3; 2206 layer->track_density = bufp[3] & 0xf; 2207 layer->linear_density = bufp[3] >> 4; 2208 layer->start_sector = _4btol(&bufp[4]); 2209 layer->end_sector = _4btol(&bufp[8]); 2210 layer->end_sector_l0 = _4btol(&bufp[12]); 2211 layer->bca = bufp[16] >> 7; 2212 } 2213 return (0); 2214 } 2215 2216 static int 2217 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2218 { 2219 struct scsipi_generic cmd; 2220 u_int8_t bf[8]; 2221 int error; 2222 2223 memset(cmd.bytes, 0, 15); 2224 memset(bf, 0, sizeof(bf)); 2225 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2226 cmd.bytes[6] = s->type; 2227 _lto2b(sizeof(bf), &cmd.bytes[7]); 2228 2229 cmd.bytes[5] = s->copyright.layer_num; 2230 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2231 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2232 if (error) 2233 return (error); 2234 s->copyright.cpst = bf[4]; 2235 s->copyright.rmi = bf[5]; 2236 return (0); 2237 } 2238 2239 static int 2240 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2241 { 2242 struct scsipi_generic cmd; 2243 u_int8_t *bf; 2244 int error; 2245 2246 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2247 if (bf == NULL) 2248 return EIO; 2249 memset(cmd.bytes, 0, 15); 2250 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2251 cmd.bytes[6] = s->type; 2252 _lto2b(4 + 2048, &cmd.bytes[7]); 2253 2254 cmd.bytes[9] = s->disckey.agid << 6; 2255 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2256 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2257 if (error == 0) 2258 memcpy(s->disckey.value, &bf[4], 2048); 2259 free(bf, M_TEMP); 2260 return error; 2261 } 2262 2263 static int 2264 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2265 { 2266 struct scsipi_generic cmd; 2267 u_int8_t bf[4 + 188]; 2268 int error; 2269 2270 memset(cmd.bytes, 0, 15); 2271 memset(bf, 0, sizeof(bf)); 2272 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2273 cmd.bytes[6] = s->type; 2274 _lto2b(sizeof(bf), &cmd.bytes[7]); 2275 2276 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2277 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2278 if (error) 2279 return (error); 2280 s->bca.len = _2btol(&bf[0]); 2281 if (s->bca.len < 12 || s->bca.len > 188) 2282 return (EIO); 2283 memcpy(s->bca.value, &bf[4], s->bca.len); 2284 return (0); 2285 } 2286 2287 static int 2288 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2289 { 2290 struct scsipi_generic cmd; 2291 u_int8_t *bf; 2292 int error; 2293 2294 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2295 if (bf == NULL) 2296 return (EIO); 2297 memset(cmd.bytes, 0, 15); 2298 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2299 cmd.bytes[6] = s->type; 2300 _lto2b(4 + 2048, &cmd.bytes[7]); 2301 2302 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2303 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2304 if (error == 0) { 2305 s->manufact.len = _2btol(&bf[0]); 2306 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2307 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2308 else 2309 error = EIO; 2310 } 2311 free(bf, M_TEMP); 2312 return error; 2313 } 2314 2315 static int 2316 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2317 { 2318 2319 switch (s->type) { 2320 case DVD_STRUCT_PHYSICAL: 2321 return (dvd_read_physical(cd, s)); 2322 case DVD_STRUCT_COPYRIGHT: 2323 return (dvd_read_copyright(cd, s)); 2324 case DVD_STRUCT_DISCKEY: 2325 return (dvd_read_disckey(cd, s)); 2326 case DVD_STRUCT_BCA: 2327 return (dvd_read_bca(cd, s)); 2328 case DVD_STRUCT_MANUFACT: 2329 return (dvd_read_manufact(cd, s)); 2330 default: 2331 return (EINVAL); 2332 } 2333 } 2334 2335 static int 2336 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2337 int page, int flags, int *big) 2338 { 2339 2340 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2341 *big = 1; 2342 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2343 size + sizeof(struct scsi_mode_parameter_header_10), 2344 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2345 } else { 2346 *big = 0; 2347 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2348 size + sizeof(struct scsi_mode_parameter_header_6), 2349 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2350 } 2351 } 2352 2353 static int 2354 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2355 int flags, int big) 2356 { 2357 2358 if (big) { 2359 struct scsi_mode_parameter_header_10 *header = sense; 2360 2361 _lto2b(0, header->data_length); 2362 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2363 size + sizeof(struct scsi_mode_parameter_header_10), 2364 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2365 } else { 2366 struct scsi_mode_parameter_header_6 *header = sense; 2367 2368 header->data_length = 0; 2369 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2370 size + sizeof(struct scsi_mode_parameter_header_6), 2371 flags | XS_CTL_DATA_ONSTACK, CDRETRIES, 20000); 2372 } 2373 } 2374 2375 static int 2376 cd_set_pa_immed(struct cd_softc *cd, int flags) 2377 { 2378 struct { 2379 union { 2380 struct scsi_mode_parameter_header_6 small; 2381 struct scsi_mode_parameter_header_10 big; 2382 } header; 2383 struct cd_audio_page page; 2384 } data; 2385 int error; 2386 uint8_t oflags; 2387 int big, byte2; 2388 struct cd_audio_page *page; 2389 2390 byte2 = SMS_DBD; 2391 try_again: 2392 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2393 AUDIO_PAGE, flags, &big)) != 0) { 2394 if (byte2 == SMS_DBD) { 2395 /* Device may not understand DBD; retry without */ 2396 byte2 = 0; 2397 goto try_again; 2398 } 2399 return (error); 2400 } 2401 2402 if (big) 2403 page = (void *)((u_long)&data.header.big + 2404 sizeof data.header.big + 2405 _2btol(data.header.big.blk_desc_len)); 2406 else 2407 page = (void *)((u_long)&data.header.small + 2408 sizeof data.header.small + 2409 data.header.small.blk_desc_len); 2410 2411 oflags = page->flags; 2412 page->flags &= ~CD_PA_SOTC; 2413 page->flags |= CD_PA_IMMED; 2414 if (oflags == page->flags) 2415 return (0); 2416 2417 return (cd_mode_select(cd, SMS_PF, &data, 2418 sizeof(struct scsi_mode_page_header) + page->pg_length, 2419 flags, big)); 2420 } 2421 2422 static int 2423 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2424 { 2425 struct { 2426 union { 2427 struct scsi_mode_parameter_header_6 small; 2428 struct scsi_mode_parameter_header_10 big; 2429 } header; 2430 struct cd_audio_page page; 2431 } data; 2432 int error; 2433 int big, byte2; 2434 struct cd_audio_page *page; 2435 2436 byte2 = SMS_DBD; 2437 try_again: 2438 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2439 AUDIO_PAGE, flags, &big)) != 0) { 2440 if (byte2 == SMS_DBD) { 2441 /* Device may not understand DBD; retry without */ 2442 byte2 = 0; 2443 goto try_again; 2444 } 2445 return (error); 2446 } 2447 2448 if (big) 2449 page = (void *)((u_long)&data.header.big + 2450 sizeof data.header.big + 2451 _2btol(data.header.big.blk_desc_len)); 2452 else 2453 page = (void *)((u_long)&data.header.small + 2454 sizeof data.header.small + 2455 data.header.small.blk_desc_len); 2456 2457 page->port[0].channels = p0; 2458 page->port[1].channels = p1; 2459 page->port[2].channels = p2; 2460 page->port[3].channels = p3; 2461 2462 return (cd_mode_select(cd, SMS_PF, &data, 2463 sizeof(struct scsi_mode_page_header) + page->pg_length, 2464 flags, big)); 2465 } 2466 2467 static int 2468 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2469 { 2470 struct { 2471 union { 2472 struct scsi_mode_parameter_header_6 small; 2473 struct scsi_mode_parameter_header_10 big; 2474 } header; 2475 struct cd_audio_page page; 2476 } data; 2477 int error; 2478 int big, byte2; 2479 struct cd_audio_page *page; 2480 2481 byte2 = SMS_DBD; 2482 try_again: 2483 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2484 AUDIO_PAGE, flags, &big)) != 0) { 2485 if (byte2 == SMS_DBD) { 2486 /* Device may not understand DBD; retry without */ 2487 byte2 = 0; 2488 goto try_again; 2489 } 2490 return (error); 2491 } 2492 2493 if (big) 2494 page = (void *)((u_long)&data.header.big + 2495 sizeof data.header.big + 2496 _2btol(data.header.big.blk_desc_len)); 2497 else 2498 page = (void *)((u_long)&data.header.small + 2499 sizeof data.header.small + 2500 data.header.small.blk_desc_len); 2501 2502 arg->vol[0] = page->port[0].volume; 2503 arg->vol[1] = page->port[1].volume; 2504 arg->vol[2] = page->port[2].volume; 2505 arg->vol[3] = page->port[3].volume; 2506 2507 return (0); 2508 } 2509 2510 static int 2511 cd_setvol(struct cd_softc *cd, const 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, mask; 2520 int error; 2521 int big, byte2; 2522 struct cd_audio_page *page, *page2; 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 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2536 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2537 return (error); 2538 2539 if (big) { 2540 page = (void *)((u_long)&data.header.big + 2541 sizeof data.header.big + 2542 _2btol(data.header.big.blk_desc_len)); 2543 page2 = (void *)((u_long)&mask.header.big + 2544 sizeof mask.header.big + 2545 _2btol(mask.header.big.blk_desc_len)); 2546 } else { 2547 page = (void *)((u_long)&data.header.small + 2548 sizeof data.header.small + 2549 data.header.small.blk_desc_len); 2550 page2 = (void *)((u_long)&mask.header.small + 2551 sizeof mask.header.small + 2552 mask.header.small.blk_desc_len); 2553 } 2554 2555 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2556 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2557 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2558 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2559 2560 page->port[0].channels = CHANNEL_0; 2561 page->port[1].channels = CHANNEL_1; 2562 2563 return (cd_mode_select(cd, SMS_PF, &data, 2564 sizeof(struct scsi_mode_page_header) + page->pg_length, 2565 flags, big)); 2566 } 2567 2568 static int 2569 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2570 { 2571 struct scsipi_load_unload cmd; 2572 2573 memset(&cmd, 0, sizeof(cmd)); 2574 cmd.opcode = LOAD_UNLOAD; 2575 cmd.options = args->options; /* ioctl uses MMC values */ 2576 cmd.slot = args->slot; 2577 2578 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2579 CDRETRIES, 200000, NULL, 0)); 2580 } 2581 2582 static int 2583 cd_setblksize(struct cd_softc *cd) 2584 { 2585 struct { 2586 union { 2587 struct scsi_mode_parameter_header_6 small; 2588 struct scsi_mode_parameter_header_10 big; 2589 } header; 2590 struct scsi_general_block_descriptor blk_desc; 2591 } data; 2592 int error; 2593 int big, bsize; 2594 struct scsi_general_block_descriptor *bdesc; 2595 2596 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2597 &big)) != 0) 2598 return (error); 2599 2600 if (big) { 2601 bdesc = (void *)(&data.header.big + 1); 2602 bsize = _2btol(data.header.big.blk_desc_len); 2603 } else { 2604 bdesc = (void *)(&data.header.small + 1); 2605 bsize = data.header.small.blk_desc_len; 2606 } 2607 2608 if (bsize == 0) { 2609 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2610 return (EINVAL); 2611 } 2612 if (_3btol(bdesc->blklen) == 2048) { 2613 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2614 return (EINVAL); 2615 } 2616 2617 _lto3b(2048, bdesc->blklen); 2618 2619 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2620 big)); 2621 } 2622 2623 2624 static int 2625 mmc_profile2class(uint16_t mmc_profile) 2626 { 2627 switch (mmc_profile) { 2628 case 0x01 : /* SCSI discs */ 2629 case 0x02 : 2630 /* this can't happen really, cd.c wouldn't have matched */ 2631 return MMC_CLASS_DISC; 2632 case 0x03 : /* Magneto Optical with sector erase */ 2633 case 0x04 : /* Magneto Optical write once */ 2634 case 0x05 : /* Advance Storage Magneto Optical */ 2635 return MMC_CLASS_MO; 2636 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2637 case 0x08 : /* CD-ROM */ 2638 case 0x09 : /* CD-R */ 2639 case 0x0a : /* CD-RW */ 2640 return MMC_CLASS_CD; 2641 case 0x10 : /* DVD-ROM */ 2642 case 0x11 : /* DVD-R */ 2643 case 0x12 : /* DVD-RAM */ 2644 case 0x13 : /* DVD-RW restricted overwrite */ 2645 case 0x14 : /* DVD-RW sequential */ 2646 case 0x1a : /* DVD+RW */ 2647 case 0x1b : /* DVD+R */ 2648 case 0x2a : /* DVD+RW Dual layer */ 2649 case 0x2b : /* DVD+R Dual layer */ 2650 case 0x50 : /* HD DVD-ROM */ 2651 case 0x51 : /* HD DVD-R */ 2652 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2653 return MMC_CLASS_DVD; 2654 case 0x40 : /* BD-ROM */ 2655 case 0x41 : /* BD-R Sequential recording (SRM) */ 2656 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2657 case 0x43 : /* BD-RE */ 2658 return MMC_CLASS_BD; 2659 } 2660 return MMC_CLASS_UNKN; 2661 } 2662 2663 2664 /* 2665 * Drive/media combination is reflected in a series of features that can 2666 * either be current or dormant. We try to make sense out of them to create a 2667 * set of easy to use flags that abstract the device/media capabilities. 2668 */ 2669 2670 static void 2671 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2672 uint16_t feature, int cur, uint8_t *rpos) 2673 { 2674 uint32_t blockingnr; 2675 uint64_t flags; 2676 2677 if (cur == 1) { 2678 flags = mmc_discinfo->mmc_cur; 2679 } else { 2680 flags = mmc_discinfo->mmc_cap; 2681 } 2682 2683 switch (feature) { 2684 case 0x0010 : /* random readable feature */ 2685 blockingnr = rpos[5] | (rpos[4] << 8); 2686 if (blockingnr > 1) 2687 flags |= MMC_CAP_PACKET; 2688 2689 /* RW error page */ 2690 break; 2691 case 0x0020 : /* random writable feature */ 2692 flags |= MMC_CAP_RECORDABLE; 2693 flags |= MMC_CAP_REWRITABLE; 2694 blockingnr = rpos[9] | (rpos[8] << 8); 2695 if (blockingnr > 1) 2696 flags |= MMC_CAP_PACKET; 2697 break; 2698 case 0x0021 : /* incremental streaming write feature */ 2699 flags |= MMC_CAP_RECORDABLE; 2700 flags |= MMC_CAP_SEQUENTIAL; 2701 if (cur) 2702 mmc_discinfo->link_block_penalty = rpos[4]; 2703 if (rpos[2] & 1) 2704 flags |= MMC_CAP_ZEROLINKBLK; 2705 break; 2706 case 0x0022 : /* (obsolete) erase support feature */ 2707 flags |= MMC_CAP_RECORDABLE; 2708 flags |= MMC_CAP_ERASABLE; 2709 break; 2710 case 0x0023 : /* formatting media support feature */ 2711 flags |= MMC_CAP_RECORDABLE; 2712 flags |= MMC_CAP_FORMATTABLE; 2713 break; 2714 case 0x0024 : /* hardware assised defect management feature */ 2715 flags |= MMC_CAP_HW_DEFECTFREE; 2716 break; 2717 case 0x0025 : /* write once */ 2718 flags |= MMC_CAP_RECORDABLE; 2719 break; 2720 case 0x0026 : /* restricted overwrite feature */ 2721 flags |= MMC_CAP_RECORDABLE; 2722 flags |= MMC_CAP_REWRITABLE; 2723 flags |= MMC_CAP_STRICTOVERWRITE; 2724 break; 2725 case 0x0028 : /* MRW formatted media support feature */ 2726 flags |= MMC_CAP_MRW; 2727 break; 2728 case 0x002b : /* DVD+R read (and opt. write) support */ 2729 flags |= MMC_CAP_SEQUENTIAL; 2730 if (rpos[0] & 1) /* write support */ 2731 flags |= MMC_CAP_RECORDABLE; 2732 break; 2733 case 0x002c : /* rigid restricted overwrite feature */ 2734 flags |= MMC_CAP_RECORDABLE; 2735 flags |= MMC_CAP_REWRITABLE; 2736 flags |= MMC_CAP_STRICTOVERWRITE; 2737 if (rpos[0] & 1) /* blank bit */ 2738 flags |= MMC_CAP_BLANKABLE; 2739 break; 2740 case 0x002d : /* track at once recording feature */ 2741 flags |= MMC_CAP_RECORDABLE; 2742 flags |= MMC_CAP_SEQUENTIAL; 2743 break; 2744 case 0x002f : /* DVD-R/-RW write feature */ 2745 flags |= MMC_CAP_RECORDABLE; 2746 if (rpos[0] & 2) /* DVD-RW bit */ 2747 flags |= MMC_CAP_BLANKABLE; 2748 break; 2749 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2750 flags |= MMC_CAP_PSEUDOOVERWRITE; 2751 break; 2752 default : 2753 /* ignore */ 2754 break; 2755 } 2756 2757 if (cur == 1) { 2758 mmc_discinfo->mmc_cur = flags; 2759 } else { 2760 mmc_discinfo->mmc_cap = flags; 2761 } 2762 } 2763 2764 static int 2765 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2766 struct mmc_discinfo *mmc_discinfo) 2767 { 2768 struct scsipi_read_toc gtoc_cmd; 2769 struct scsipi_toc_header *toc_hdr; 2770 struct scsipi_toc_msinfo *toc_msinfo; 2771 const uint32_t buffer_size = 1024; 2772 uint32_t req_size; 2773 uint8_t *buffer; 2774 int error, flags; 2775 2776 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2777 /* 2778 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2779 * care' but others might be of interest to programs. 2780 */ 2781 2782 mmc_discinfo->disc_state = MMC_STATE_FULL; 2783 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2784 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2785 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2786 2787 /* get number of sessions and first tracknr in last session */ 2788 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2789 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2790 gtoc_cmd.opcode = READ_TOC; 2791 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2792 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2793 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2794 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2795 _lto2b(req_size, gtoc_cmd.data_len); 2796 2797 error = scsipi_command(periph, 2798 (void *)>oc_cmd, sizeof(gtoc_cmd), 2799 (void *)buffer, req_size, 2800 CDRETRIES, 30000, NULL, flags); 2801 if (error) 2802 goto out; 2803 toc_hdr = (struct scsipi_toc_header *) buffer; 2804 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2805 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2806 mmc_discinfo->first_track = toc_hdr->first; 2807 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2808 2809 /* get last track of last session */ 2810 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2811 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2812 req_size = sizeof(*toc_hdr); 2813 _lto2b(req_size, gtoc_cmd.data_len); 2814 2815 error = scsipi_command(periph, 2816 (void *)>oc_cmd, sizeof(gtoc_cmd), 2817 (void *)buffer, req_size, 2818 CDRETRIES, 30000, NULL, flags); 2819 if (error) 2820 goto out; 2821 toc_hdr = (struct scsipi_toc_header *) buffer; 2822 mmc_discinfo->last_track_last_session = toc_hdr->last; 2823 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2824 2825 /* TODO how to handle disc_barcode and disc_id */ 2826 /* done */ 2827 2828 out: 2829 free(buffer, M_TEMP); 2830 return error; 2831 } 2832 2833 static int 2834 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2835 struct mmc_discinfo *mmc_discinfo) 2836 { 2837 struct scsipi_read_toc gtoc_cmd; 2838 struct scsipi_toc_header toc_hdr; 2839 uint32_t req_size; 2840 int error, flags; 2841 2842 /* 2843 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2844 * care' but others might be of interest to programs. 2845 */ 2846 2847 mmc_discinfo->disc_state = MMC_STATE_FULL; 2848 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2849 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2850 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2851 2852 /* get number of sessions and first tracknr in last session */ 2853 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2854 bzero(>oc_cmd, sizeof(gtoc_cmd)); 2855 gtoc_cmd.opcode = READ_TOC; 2856 gtoc_cmd.addr_mode = 0; /* LBA */ 2857 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2858 gtoc_cmd.from_track = 1; /* first track */ 2859 req_size = sizeof(toc_hdr); 2860 _lto2b(req_size, gtoc_cmd.data_len); 2861 2862 error = scsipi_command(periph, 2863 (void *)>oc_cmd, sizeof(gtoc_cmd), 2864 (void *)&toc_hdr, req_size, 2865 CDRETRIES, 30000, NULL, flags); 2866 if (error) 2867 return error; 2868 2869 /* DVD-ROM squashes the track/session space */ 2870 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2871 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2872 mmc_discinfo->first_track = toc_hdr.first; 2873 mmc_discinfo->first_track_last_session = toc_hdr.last; 2874 mmc_discinfo->last_track_last_session = toc_hdr.last; 2875 2876 /* TODO how to handle disc_barcode and disc_id */ 2877 /* done */ 2878 return 0; 2879 } 2880 2881 static int 2882 mmc_getdiscinfo(struct scsipi_periph *periph, 2883 struct mmc_discinfo *mmc_discinfo) 2884 { 2885 struct scsipi_get_configuration gc_cmd; 2886 struct scsipi_get_conf_data *gc; 2887 struct scsipi_get_conf_feature *gcf; 2888 struct scsipi_read_discinfo di_cmd; 2889 struct scsipi_read_discinfo_data di; 2890 const uint32_t buffer_size = 1024; 2891 uint32_t feat_tbl_len, pos; 2892 u_long last_lba; 2893 uint8_t *buffer, *fpos; 2894 int feature, last_feature, features_len, feature_cur, feature_len; 2895 int lsb, msb, error, flags; 2896 2897 feat_tbl_len = buffer_size; 2898 2899 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2900 2901 /* initialise structure */ 2902 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2903 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2904 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2905 mmc_discinfo->mmc_cur = 0; 2906 mmc_discinfo->mmc_cap = 0; 2907 mmc_discinfo->link_block_penalty = 0; 2908 2909 /* determine mmc profile and class */ 2910 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2911 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2912 gc_cmd.opcode = GET_CONFIGURATION; 2913 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2914 2915 gc = (struct scsipi_get_conf_data *) buffer; 2916 2917 error = scsipi_command(periph, 2918 (void *)&gc_cmd, sizeof(gc_cmd), 2919 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2920 CDRETRIES, 30000, NULL, flags); 2921 if (error) 2922 goto out; 2923 2924 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2925 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2926 2927 /* assume 2048 sector size unless told otherwise */ 2928 mmc_discinfo->sector_size = 2048; 2929 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2930 if (error) 2931 goto out; 2932 2933 mmc_discinfo->last_possible_lba = (uint32_t) last_lba - 1; 2934 2935 /* Read in all features to determine device capabilities */ 2936 last_feature = feature = 0; 2937 do { 2938 /* determine mmc profile and class */ 2939 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 2940 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2941 gc_cmd.opcode = GET_CONFIGURATION; 2942 _lto2b(last_feature, gc_cmd.start_at_feature); 2943 _lto2b(feat_tbl_len, gc_cmd.data_len); 2944 2945 error = scsipi_command(periph, 2946 (void *)&gc_cmd, sizeof(gc_cmd), 2947 (void *) gc, feat_tbl_len, 2948 CDRETRIES, 30000, NULL, flags); 2949 if (error) { 2950 /* ieeek... break out of loop... i dunno what to do */ 2951 break; 2952 } 2953 2954 features_len = _4btol(gc->data_len); 2955 2956 pos = 0; 2957 fpos = &gc->feature_desc[0]; 2958 while (pos < features_len - 4) { 2959 gcf = (struct scsipi_get_conf_feature *) fpos; 2960 2961 feature = _2btol(gcf->featurecode); 2962 feature_cur = gcf->flags & 1; 2963 feature_len = gcf->additional_length; 2964 2965 mmc_process_feature(mmc_discinfo, 2966 feature, feature_cur, 2967 gcf->feature_dependent); 2968 2969 last_feature = MAX(last_feature, feature); 2970 #ifdef DIAGNOSTIC 2971 /* assert((feature_len & 3) == 0); */ 2972 if ((feature_len & 3) != 0) { 2973 printf("feature %d having length %d\n", 2974 feature, feature_len); 2975 } 2976 #endif 2977 2978 pos += 4 + feature_len; 2979 fpos += 4 + feature_len; 2980 } 2981 /* unlikely to ever grow past our 1kb buffer */ 2982 } while (features_len >= 0xffff); 2983 2984 #ifdef DEBUG 2985 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2986 mmc_discinfo->mmc_profile, 2987 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2988 #endif 2989 2990 /* read in disc state and number of sessions and tracks */ 2991 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 2992 memset(&di_cmd, 0, sizeof(di_cmd)); 2993 di_cmd.opcode = READ_DISCINFO; 2994 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2995 2996 error = scsipi_command(periph, 2997 (void *)&di_cmd, sizeof(di_cmd), 2998 (void *)&di, READ_DISCINFO_BIGSIZE, 2999 CDRETRIES, 30000, NULL, flags); 3000 3001 if (error) { 3002 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 3003 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 3004 return mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 3005 if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 3006 return mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 3007 /* CD/DVD drive is violating specs */ 3008 error = EIO; 3009 goto out; 3010 } 3011 3012 /* call went OK */ 3013 mmc_discinfo->disc_state = di.disc_state & 3; 3014 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 3015 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 3016 3017 lsb = di.num_sessions_lsb; 3018 msb = di.num_sessions_msb; 3019 mmc_discinfo->num_sessions = lsb | (msb << 8); 3020 3021 mmc_discinfo->first_track = di.first_track; 3022 lsb = di.first_track_last_session_lsb; 3023 msb = di.first_track_last_session_msb; 3024 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 3025 lsb = di.last_track_last_session_lsb; 3026 msb = di.last_track_last_session_msb; 3027 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 3028 3029 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 3030 mmc_discinfo->first_track + 1; 3031 3032 /* set misc. flags and parameters from this disc info */ 3033 if (di.disc_state & 16) 3034 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 3035 3036 if (di.disc_state2 & 128) { 3037 mmc_discinfo->disc_id = _4btol(di.discid); 3038 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 3039 } 3040 if (di.disc_state2 & 64) { 3041 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 3042 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 3043 } 3044 if (di.disc_state2 & 32) 3045 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 3046 3047 if (di.disc_state2 & 16) { 3048 mmc_discinfo->application_code = di.application_code; 3049 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 3050 } 3051 3052 /* done */ 3053 3054 out: 3055 free(buffer, M_TEMP); 3056 return error; 3057 } 3058 3059 static int 3060 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 3061 struct mmc_trackinfo *trackinfo) 3062 { 3063 struct scsipi_read_toc gtoc_cmd; 3064 struct scsipi_toc_header *toc_hdr; 3065 struct scsipi_toc_rawtoc *rawtoc; 3066 uint32_t track_start, track_end, track_size; 3067 uint32_t last_recorded, next_writable; 3068 uint32_t lba, next_track_start, lead_out; 3069 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3070 uint8_t *buffer; 3071 uint8_t track_sessionnr, last_tracknr, sessionnr, adr, tno, point; 3072 uint8_t tmin, tsec, tframe, pmin, psec, pframe; 3073 int size, req_size; 3074 int error, flags; 3075 3076 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3077 3078 /* 3079 * Emulate read trackinfo for CD-ROM using the raw-TOC. 3080 * 3081 * Not all information is present and this presents a problem. Track 3082 * starts are known for each track but other values are deducted. 3083 * 3084 * For a complete overview of `magic' values used here, see the 3085 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 3086 * names, they are specified as numbers. 3087 */ 3088 3089 /* get raw toc to process, first header to check size */ 3090 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3091 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3092 gtoc_cmd.opcode = READ_TOC; 3093 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 3094 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 3095 gtoc_cmd.from_track = 1; /* first session */ 3096 req_size = sizeof(*toc_hdr); 3097 _lto2b(req_size, gtoc_cmd.data_len); 3098 3099 error = scsipi_command(periph, 3100 (void *)>oc_cmd, sizeof(gtoc_cmd), 3101 (void *)buffer, req_size, 3102 CDRETRIES, 30000, NULL, flags); 3103 if (error) 3104 goto out; 3105 toc_hdr = (struct scsipi_toc_header *) buffer; 3106 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3107 #ifdef DIAGNOSTIC 3108 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 3109 #endif 3110 error = ENOBUFS; 3111 goto out; 3112 } 3113 3114 /* read in complete raw toc */ 3115 req_size = _2btol(toc_hdr->length); 3116 _lto2b(req_size, gtoc_cmd.data_len); 3117 3118 error = scsipi_command(periph, 3119 (void *)>oc_cmd, sizeof(gtoc_cmd), 3120 (void *)buffer, req_size, 3121 CDRETRIES, 30000, NULL, flags); 3122 if (error) 3123 goto out; 3124 3125 toc_hdr = (struct scsipi_toc_header *) buffer; 3126 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 3127 3128 track_start = 0; 3129 track_end = 0; 3130 track_size = 0; 3131 last_recorded = 0; 3132 next_writable = 0; 3133 flags = 0; 3134 3135 last_tracknr = 1; 3136 next_track_start = 0; 3137 track_sessionnr = MAXTRACK; /* by definition */ 3138 lead_out = 0; 3139 3140 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3141 while (size > 0) { 3142 /* get track start and session end */ 3143 tno = rawtoc->tno; 3144 sessionnr = rawtoc->sessionnr; 3145 adr = rawtoc->adrcontrol >> 4; 3146 point = rawtoc->point; 3147 tmin = rawtoc->min; 3148 tsec = rawtoc->sec; 3149 tframe = rawtoc->frame; 3150 pmin = rawtoc->pmin; 3151 psec = rawtoc->psec; 3152 pframe = rawtoc->pframe; 3153 3154 if (tno == 0 && sessionnr && adr == 1) { 3155 lba = hmsf2lba(0, pmin, psec, pframe); 3156 if (point == trackinfo->tracknr) { 3157 track_start = lba; 3158 track_sessionnr = sessionnr; 3159 } 3160 if (point == trackinfo->tracknr + 1) { 3161 /* estimate size */ 3162 track_size = lba - track_start; 3163 next_track_start = lba; 3164 } 3165 if (point == 0xa2) { 3166 lead_out = lba; 3167 } 3168 if (point <= 0x63) { 3169 /* CD's ok, DVD are glued */ 3170 last_tracknr = point; 3171 } 3172 if (sessionnr == track_sessionnr) { 3173 last_recorded = lead_out; 3174 } 3175 } 3176 if (tno == 0 && sessionnr && adr == 5) { 3177 lba = hmsf2lba(0, tmin, tsec, tframe); 3178 if (sessionnr == track_sessionnr) { 3179 next_writable = lba; 3180 } 3181 } 3182 3183 rawtoc++; 3184 size -= sizeof(struct scsipi_toc_rawtoc); 3185 } 3186 3187 /* process found values; some voodoo */ 3188 /* if no tracksize tracknr is the last of the disc */ 3189 if ((track_size == 0) && last_recorded) { 3190 track_size = last_recorded - track_start; 3191 } 3192 /* if last_recorded < tracksize, tracksize is overestimated */ 3193 if (last_recorded) { 3194 if (last_recorded - track_start <= track_size) { 3195 track_size = last_recorded - track_start; 3196 flags |= MMC_TRACKINFO_LRA_VALID; 3197 } 3198 } 3199 /* check if its a the last track of the sector */ 3200 if (next_writable) { 3201 if (next_track_start > next_writable) 3202 flags |= MMC_TRACKINFO_NWA_VALID; 3203 } 3204 3205 /* no flag set -> no values */ 3206 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3207 last_recorded = 0; 3208 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3209 next_writable = 0; 3210 3211 /* fill in */ 3212 /* trackinfo->tracknr preserved */ 3213 trackinfo->sessionnr = track_sessionnr; 3214 trackinfo->track_mode = 7; /* data, incremental */ 3215 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3216 3217 trackinfo->flags = flags; 3218 trackinfo->track_start = track_start; 3219 trackinfo->next_writable = next_writable; 3220 trackinfo->free_blocks = 0; 3221 trackinfo->packet_size = 1; 3222 trackinfo->track_size = track_size; 3223 trackinfo->last_recorded = last_recorded; 3224 3225 out: 3226 free(buffer, M_TEMP); 3227 return error; 3228 3229 } 3230 3231 static int 3232 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3233 struct mmc_trackinfo *trackinfo) 3234 { 3235 struct scsipi_read_toc gtoc_cmd; 3236 struct scsipi_toc_header *toc_hdr; 3237 struct scsipi_toc_formatted *toc; 3238 uint32_t tracknr, track_start, track_size; 3239 uint32_t lba, lead_out; 3240 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3241 uint8_t *buffer; 3242 uint8_t last_tracknr; 3243 int size, req_size; 3244 int error, flags; 3245 3246 3247 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3248 /* 3249 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3250 * CD-ROM emulation uses since the specification tells us that no such 3251 * thing is defined for DVD's. The reason for this is due to the large 3252 * number of tracks and that would clash with the `magic' values. This 3253 * suxs. 3254 * 3255 * Not all information is present and this presents a problem. 3256 * Track starts are known for each track but other values are 3257 * deducted. 3258 */ 3259 3260 /* get formatted toc to process, first header to check size */ 3261 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3262 bzero(>oc_cmd, sizeof(gtoc_cmd)); 3263 gtoc_cmd.opcode = READ_TOC; 3264 gtoc_cmd.addr_mode = 0; /* lba's please */ 3265 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3266 gtoc_cmd.from_track = 1; /* first track */ 3267 req_size = sizeof(*toc_hdr); 3268 _lto2b(req_size, gtoc_cmd.data_len); 3269 3270 error = scsipi_command(periph, 3271 (void *)>oc_cmd, sizeof(gtoc_cmd), 3272 (void *)buffer, req_size, 3273 CDRETRIES, 30000, NULL, flags); 3274 if (error) 3275 goto out; 3276 toc_hdr = (struct scsipi_toc_header *) buffer; 3277 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3278 #ifdef DIAGNOSTIC 3279 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3280 #endif 3281 error = ENOBUFS; 3282 goto out; 3283 } 3284 3285 /* read in complete formatted toc */ 3286 req_size = _2btol(toc_hdr->length); 3287 _lto2b(req_size, gtoc_cmd.data_len); 3288 3289 error = scsipi_command(periph, 3290 (void *)>oc_cmd, sizeof(gtoc_cmd), 3291 (void *)buffer, req_size, 3292 CDRETRIES, 30000, NULL, flags); 3293 if (error) 3294 goto out; 3295 3296 toc_hdr = (struct scsipi_toc_header *) buffer; 3297 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3298 3299 /* as in read disc info, all sessions are converted to tracks */ 3300 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3301 /* last track -> we got the size from the lead-out */ 3302 3303 tracknr = 0; 3304 last_tracknr = toc_hdr->last; 3305 track_start = 0; 3306 track_size = 0; 3307 lead_out = 0; 3308 3309 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3310 while (size > 0) { 3311 /* remember, DVD-ROM: tracknr == sessionnr */ 3312 lba = _4btol(toc->msf_lba); 3313 tracknr = toc->tracknr; 3314 if (trackinfo->tracknr == tracknr) { 3315 track_start = lba; 3316 } 3317 if (trackinfo->tracknr == tracknr+1) { 3318 track_size = lba - track_start; 3319 track_size -= 16; /* link block ? */ 3320 } 3321 if (tracknr == 0xAA) { 3322 lead_out = lba; 3323 } 3324 toc++; 3325 size -= sizeof(struct scsipi_toc_formatted); 3326 } 3327 if (trackinfo->tracknr == last_tracknr) { 3328 track_size = lead_out - track_start; 3329 } 3330 3331 /* fill in */ 3332 /* trackinfo->tracknr preserved */ 3333 trackinfo->sessionnr = trackinfo->tracknr; 3334 trackinfo->track_mode = 0; /* unknown */ 3335 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3336 3337 trackinfo->flags = 0; 3338 trackinfo->track_start = track_start; 3339 trackinfo->next_writable = 0; 3340 trackinfo->free_blocks = 0; 3341 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3342 trackinfo->track_size = track_size; 3343 trackinfo->last_recorded = 0; 3344 3345 out: 3346 free(buffer, M_TEMP); 3347 return error; 3348 } 3349 3350 static int 3351 mmc_gettrackinfo(struct scsipi_periph *periph, 3352 struct mmc_trackinfo *trackinfo) 3353 { 3354 struct scsipi_read_trackinfo ti_cmd; 3355 struct scsipi_read_trackinfo_data ti; 3356 struct scsipi_get_configuration gc_cmd; 3357 struct scsipi_get_conf_data gc; 3358 int error, flags; 3359 int mmc_profile; 3360 3361 /* set up SCSI call with track number from trackinfo.tracknr */ 3362 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK | XS_CTL_SILENT; 3363 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3364 ti_cmd.opcode = READ_TRACKINFO; 3365 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3366 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3367 3368 /* trackinfo.tracknr contains number of tracks to query */ 3369 _lto4b(trackinfo->tracknr, ti_cmd.address); 3370 error = scsipi_command(periph, 3371 (void *)&ti_cmd, sizeof(ti_cmd), 3372 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3373 CDRETRIES, 30000, NULL, flags); 3374 3375 if (error) { 3376 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3377 /* first determine mmc profile */ 3378 flags = XS_CTL_DATA_IN | XS_CTL_DATA_ONSTACK; 3379 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3380 gc_cmd.opcode = GET_CONFIGURATION; 3381 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3382 3383 error = scsipi_command(periph, 3384 (void *)&gc_cmd, sizeof(gc_cmd), 3385 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3386 CDRETRIES, 30000, NULL, flags); 3387 if (error) 3388 return error; 3389 mmc_profile = _2btol(gc.mmc_profile); 3390 3391 /* choose emulation */ 3392 if (mmc_profile == 0x08) /* CD-ROM */ 3393 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3394 if (mmc_profile == 0x10) /* DVD-ROM */ 3395 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3396 /* CD/DVD drive is violating specs */ 3397 return EIO; 3398 } 3399 3400 /* (re)initialise structure */ 3401 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3402 3403 /* account for short returns screwing up track and session msb */ 3404 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3405 ti.track_msb = 0; 3406 ti.session_msb = 0; 3407 } 3408 3409 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3410 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3411 trackinfo->track_mode = ti.track_info_1 & 0xf; 3412 trackinfo->data_mode = ti.track_info_2 & 0xf; 3413 3414 flags = 0; 3415 if (ti.track_info_1 & 0x10) 3416 flags |= MMC_TRACKINFO_COPY; 3417 if (ti.track_info_1 & 0x20) 3418 flags |= MMC_TRACKINFO_DAMAGED; 3419 if (ti.track_info_2 & 0x10) 3420 flags |= MMC_TRACKINFO_FIXED_PACKET; 3421 if (ti.track_info_2 & 0x20) 3422 flags |= MMC_TRACKINFO_INCREMENTAL; 3423 if (ti.track_info_2 & 0x40) 3424 flags |= MMC_TRACKINFO_BLANK; 3425 if (ti.track_info_2 & 0x80) 3426 flags |= MMC_TRACKINFO_RESERVED; 3427 if (ti.data_valid & 0x01) 3428 flags |= MMC_TRACKINFO_NWA_VALID; 3429 if (ti.data_valid & 0x02) 3430 flags |= MMC_TRACKINFO_LRA_VALID; 3431 3432 trackinfo->flags = flags; 3433 trackinfo->track_start = _4btol(ti.track_start); 3434 trackinfo->next_writable = _4btol(ti.next_writable); 3435 trackinfo->free_blocks = _4btol(ti.free_blocks); 3436 trackinfo->packet_size = _4btol(ti.packet_size); 3437 trackinfo->track_size = _4btol(ti.track_size); 3438 trackinfo->last_recorded = _4btol(ti.last_recorded); 3439 3440 return 0; 3441 } 3442
Cache object: 16d0eb877af37dccfc791e8e0785dffa
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