1 /* $NetBSD: cd.c,v 1.356 2024/12/01 20:23:45 andvar Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2001, 2003, 2004, 2005, 2008 The NetBSD Foundation, 5 * Inc. All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * MMC framework implemented and contributed to the NetBSD Foundation by 11 * Reinoud Zandijk. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Originally written by Julian Elischer (julian@tfs.com) 37 * for TRW Financial Systems for use under the MACH(2.5) operating system. 38 * 39 * TRW Financial Systems, in accordance with their agreement with Carnegie 40 * Mellon University, makes this software available to CMU to distribute 41 * or use in any manner that they see fit as long as this message is kept with 42 * the software. For this reason TFS also grants any other persons or 43 * organisations permission to use or modify this software. 44 * 45 * TFS supplies this software to be publicly redistributed 46 * on the understanding that TFS is not responsible for the correct 47 * functioning of this software in any circumstances. 48 * 49 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.356 2024/12/01 20:23:45 andvar Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/file.h> 59 #include <sys/stat.h> 60 #include <sys/ioctl.h> 61 #include <sys/buf.h> 62 #include <sys/bufq.h> 63 #include <sys/uio.h> 64 #include <sys/malloc.h> 65 #include <sys/errno.h> 66 #include <sys/device.h> 67 #include <sys/disklabel.h> 68 #include <sys/disk.h> 69 #include <sys/cdio.h> 70 #include <sys/dvdio.h> 71 #include <sys/scsiio.h> 72 #include <sys/proc.h> 73 #include <sys/conf.h> 74 #include <sys/vnode.h> 75 #include <sys/rndsource.h> 76 77 #include <dev/scsipi/scsi_spc.h> 78 #include <dev/scsipi/scsipi_all.h> 79 #include <dev/scsipi/scsipi_cd.h> 80 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 81 #include <dev/scsipi/scsi_all.h> 82 /* from there */ 83 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 84 #include <dev/scsipi/scsipiconf.h> 85 #include <dev/scsipi/scsipi_base.h> 86 #include <dev/scsipi/cdvar.h> 87 88 #include <prop/proplib.h> 89 90 #define CDUNIT(z) DISKUNIT(z) 91 #define CDPART(z) DISKPART(z) 92 #define CDMINOR(unit, part) DISKMINOR(unit, part) 93 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 94 95 #define MAXTRACK 99 96 #define CD_BLOCK_OFFSET 150 97 #define CD_FRAMES 75 98 #define CD_SECS 60 99 100 #define CD_TOC_FORM 0 /* formatted TOC, exposed to userland */ 101 #define CD_TOC_MSINFO 1 /* multi-session info */ 102 #define CD_TOC_RAW 2 /* raw TOC as on disc, unprocessed */ 103 #define CD_TOC_PMA 3 /* PMA, used as intermediate (rare use) */ 104 #define CD_TOC_ATIP 4 /* pressed space of recordable */ 105 #define CD_TOC_CDTEXT 5 /* special CD-TEXT, rarely used */ 106 107 #define P5LEN 0x32 108 #define MS5LEN (P5LEN + 8 + 2) 109 110 struct cd_formatted_toc { 111 struct ioc_toc_header header; 112 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 113 /* leadout */ 114 }; 115 116 struct cdbounce { 117 struct buf *obp; /* original buf */ 118 struct buf *lbp; /* first buffer */ 119 struct buf *rbp; /* second buffer */ 120 int lerr; /* error returned for first buffer */ 121 int rerr; /* error returned for second buffer */ 122 int head; /* bytes skipped at the start */ 123 int lcount; /* bytes copied to first buffer */ 124 int rcount; /* bytes copied to second buffer */ 125 }; 126 127 static void cdstart(struct scsipi_periph *); 128 static void cdrestart(void *); 129 static void cdminphys(struct buf *); 130 static void cddone(struct scsipi_xfer *, int); 131 static int cd_interpret_sense(struct scsipi_xfer *); 132 static int cd_diskstart(device_t, struct buf *); 133 static void cd_iosize(device_t, int *); 134 static int cd_lastclose(device_t); 135 static int cd_firstopen(device_t, dev_t, int, int); 136 static void cd_label(device_t, struct disklabel *); 137 static u_long cd_size(struct cd_softc *, int); 138 static int cd_play(struct cd_softc *, int, int); 139 static int cd_play_tracks(struct cd_softc *, struct cd_formatted_toc *, 140 int, int, int, int); 141 static int cd_play_msf(struct cd_softc *, int, int, int, int, int, int); 142 static int cd_pause(struct cd_softc *, int); 143 static int cd_reset(struct cd_softc *); 144 static int cd_read_subchannel(struct cd_softc *, int, int, int, 145 struct cd_sub_channel_info *, int, int); 146 static int cd_read_toc(struct cd_softc *, int, int, int, 147 struct cd_formatted_toc *, int, int, int); 148 static int cd_get_parms(struct cd_softc *, int); 149 static int cd_load_toc(struct cd_softc *, int, struct cd_formatted_toc *, int); 150 static int cdreadmsaddr(struct cd_softc *, struct cd_formatted_toc *,int *); 151 static int cdcachesync(struct scsipi_periph *periph, int flags); 152 153 static int dvd_auth(struct cd_softc *, dvd_authinfo *); 154 static int dvd_read_physical(struct cd_softc *, dvd_struct *); 155 static int dvd_read_copyright(struct cd_softc *, dvd_struct *); 156 static int dvd_read_disckey(struct cd_softc *, dvd_struct *); 157 static int dvd_read_bca(struct cd_softc *, dvd_struct *); 158 static int dvd_read_manufact(struct cd_softc *, dvd_struct *); 159 static int dvd_read_struct(struct cd_softc *, dvd_struct *); 160 161 static int cd_mode_sense(struct cd_softc *, u_int8_t, void *, size_t, int, 162 int, int *); 163 static int cd_mode_select(struct cd_softc *, u_int8_t, void *, size_t, 164 int, int); 165 static int cd_setchan(struct cd_softc *, int, int, int, int, int); 166 static int cd_getvol(struct cd_softc *, struct ioc_vol *, int); 167 static int cd_setvol(struct cd_softc *, const struct ioc_vol *, int); 168 static int cd_set_pa_immed(struct cd_softc *, int); 169 static int cd_load_unload(struct cd_softc *, struct ioc_load_unload *); 170 static int cd_setblksize(struct cd_softc *); 171 172 static int cdmatch(device_t, cfdata_t, void *); 173 static void cdattach(device_t, device_t, void *); 174 static int cddetach(device_t, int); 175 176 static int mmc_getdiscinfo(struct scsipi_periph *, struct mmc_discinfo *); 177 static int mmc_gettrackinfo(struct scsipi_periph *, struct mmc_trackinfo *); 178 static int mmc_do_op(struct scsipi_periph *, struct mmc_op *); 179 static int mmc_setup_writeparams(struct scsipi_periph *, struct mmc_writeparams *); 180 181 static void cd_set_geometry(struct cd_softc *); 182 183 CFATTACH_DECL3_NEW(cd, sizeof(struct cd_softc), cdmatch, cdattach, cddetach, 184 NULL, NULL, NULL, DVF_DETACH_SHUTDOWN); 185 186 extern struct cfdriver cd_cd; 187 188 static const struct scsipi_inquiry_pattern cd_patterns[] = { 189 {T_CDROM, T_REMOV, 190 "", "", ""}, 191 {T_WORM, T_REMOV, 192 "", "", ""}, 193 #if 0 194 {T_CDROM, T_REMOV, /* more luns */ 195 "PIONEER ", "CD-ROM DRM-600 ", ""}, 196 #endif 197 {T_DIRECT, T_REMOV, 198 "NEC CD-ROM DRIVE:260", "", ""}, 199 }; 200 201 static dev_type_open(cdopen); 202 static dev_type_close(cdclose); 203 static dev_type_read(cdread); 204 static dev_type_write(cdwrite); 205 static dev_type_ioctl(cdioctl); 206 static dev_type_strategy(cdstrategy); 207 static dev_type_dump(cddump); 208 static dev_type_size(cdsize); 209 210 const struct bdevsw cd_bdevsw = { 211 .d_open = cdopen, 212 .d_close = cdclose, 213 .d_strategy = cdstrategy, 214 .d_ioctl = cdioctl, 215 .d_dump = cddump, 216 .d_psize = cdsize, 217 .d_discard = nodiscard, 218 .d_flag = D_DISK | D_MPSAFE 219 }; 220 221 const struct cdevsw cd_cdevsw = { 222 .d_open = cdopen, 223 .d_close = cdclose, 224 .d_read = cdread, 225 .d_write = cdwrite, 226 .d_ioctl = cdioctl, 227 .d_stop = nostop, 228 .d_tty = notty, 229 .d_poll = nopoll, 230 .d_mmap = nommap, 231 .d_kqfilter = nokqfilter, 232 .d_discard = nodiscard, 233 .d_flag = D_DISK | D_MPSAFE 234 }; 235 236 static const struct dkdriver cddkdriver = { 237 .d_open = cdopen, 238 .d_close = cdclose, 239 .d_strategy = cdstrategy, 240 .d_minphys = cdminphys, 241 .d_diskstart = cd_diskstart, 242 .d_firstopen = cd_firstopen, 243 .d_lastclose = cd_lastclose, 244 .d_label = cd_label, 245 }; 246 247 static const struct scsipi_periphsw cd_switch = { 248 cd_interpret_sense, /* use our error handler first */ 249 cdstart, /* we have a queue, which is started by this */ 250 NULL, /* we do not have an async handler */ 251 cddone, /* deal with stats at interrupt time */ 252 }; 253 254 /* 255 * The routine called by the low level scsi routine when it discovers 256 * A device suitable for this driver 257 */ 258 static int 259 cdmatch(device_t parent, cfdata_t match, void *aux) 260 { 261 struct scsipibus_attach_args *sa = aux; 262 int priority; 263 264 (void)scsipi_inqmatch(&sa->sa_inqbuf, 265 cd_patterns, sizeof(cd_patterns) / sizeof(cd_patterns[0]), 266 sizeof(cd_patterns[0]), &priority); 267 268 return (priority); 269 } 270 271 static void 272 cdattach(device_t parent, device_t self, void *aux) 273 { 274 struct cd_softc *cd = device_private(self); 275 struct dk_softc *dksc = &cd->sc_dksc; 276 struct scsipibus_attach_args *sa = aux; 277 struct scsipi_periph *periph = sa->sa_periph; 278 int dtype; 279 280 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 281 282 switch (SCSIPI_BUSTYPE_TYPE(scsipi_periph_bustype(sa->sa_periph))) { 283 case SCSIPI_BUSTYPE_SCSI: 284 dtype = DKTYPE_SCSI; 285 if (periph->periph_version == 0) 286 cd->flags |= CDF_ANCIENT; 287 break; 288 case SCSIPI_BUSTYPE_ATAPI: 289 dtype = DKTYPE_ATAPI; 290 break; 291 default: 292 dtype = DKTYPE_UNKNOWN; 293 break; 294 } 295 296 /* 297 * Initialize and attach the disk structure. 298 */ 299 dk_init(dksc, self, dtype); 300 disk_init(&dksc->sc_dkdev, dksc->sc_xname, &cddkdriver); 301 302 dk_attach(dksc); 303 disk_attach(&dksc->sc_dkdev); 304 305 bufq_alloc(&dksc->sc_bufq, "disksort", BUFQ_SORT_RAWBLOCK); 306 307 callout_init(&cd->sc_callout, 0); 308 309 /* 310 * Store information needed to contact our base driver 311 */ 312 cd->sc_periph = periph; 313 314 periph->periph_dev = dksc->sc_dev; 315 periph->periph_switch = &cd_switch; 316 317 /* 318 * Increase our openings to the maximum-per-periph 319 * supported by the adapter. This will either be 320 * clamped down or grown by the adapter if necessary. 321 */ 322 periph->periph_openings = 323 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 324 periph->periph_flags |= PERIPH_GROW_OPENINGS; 325 326 aprint_naive("\n"); 327 aprint_normal("\n"); 328 329 if (!pmf_device_register(self, NULL, NULL)) 330 aprint_error_dev(self, "couldn't establish power handler\n"); 331 } 332 333 static int 334 cddetach(device_t self, int flags) 335 { 336 struct cd_softc *cd = device_private(self); 337 struct dk_softc *dksc = &cd->sc_dksc; 338 struct scsipi_periph *periph = cd->sc_periph; 339 struct scsipi_channel *chan = periph->periph_channel; 340 int bmaj, cmaj, i, mn, rc; 341 342 if ((rc = disk_begindetach(&dksc->sc_dkdev, cd_lastclose, self, flags)) != 0) 343 return rc; 344 345 /* locate the major number */ 346 bmaj = bdevsw_lookup_major(&cd_bdevsw); 347 cmaj = cdevsw_lookup_major(&cd_cdevsw); 348 349 /* Nuke the vnodes for any open instances */ 350 for (i = 0; i < MAXPARTITIONS; i++) { 351 mn = CDMINOR(device_unit(self), i); 352 vdevgone(bmaj, mn, mn, VBLK); 353 vdevgone(cmaj, mn, mn, VCHR); 354 } 355 356 /* kill any pending restart */ 357 callout_halt(&cd->sc_callout, NULL); 358 359 dk_drain(dksc); 360 361 /* Kill off any pending commands. */ 362 mutex_enter(chan_mtx(chan)); 363 scsipi_kill_pending(cd->sc_periph); 364 mutex_exit(chan_mtx(chan)); 365 366 bufq_free(dksc->sc_bufq); 367 368 /* Detach from the disk list. */ 369 disk_detach(&dksc->sc_dkdev); 370 disk_destroy(&dksc->sc_dkdev); 371 372 dk_detach(dksc); 373 374 callout_destroy(&cd->sc_callout); 375 376 pmf_device_deregister(self); 377 378 return (0); 379 } 380 381 /* 382 * Serialized by caller 383 */ 384 static int 385 cd_firstopen(device_t self, dev_t dev, int flag, int fmt) 386 { 387 struct cd_softc *cd = device_private(self); 388 struct scsipi_periph *periph = cd->sc_periph; 389 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 390 int error, silent; 391 int part; 392 393 part = CDPART(dev); 394 395 error = scsipi_adapter_addref(adapt); 396 if (error) 397 return error; 398 399 if ((part == RAW_PART && fmt == S_IFCHR) || (flag & FSILENT)) 400 silent = XS_CTL_SILENT; 401 else 402 silent = 0; 403 404 /* make cdclose() silent */ 405 cd->flags |= CDF_EJECTED; 406 407 /* Check that it is still responding and ok. */ 408 error = scsipi_test_unit_ready(periph, 409 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 410 XS_CTL_SILENT); 411 412 /* 413 * Start the pack spinning if necessary. Always allow the 414 * raw partition to be opened, for raw IOCTLs. Data transfers 415 * will check for SDEV_MEDIA_LOADED. 416 */ 417 if (error == EIO) { 418 error = scsipi_start(periph, SSS_START, silent); 419 if (error == EINVAL) 420 error = EIO; 421 } 422 if (error) { 423 if (part == RAW_PART) 424 goto out; 425 goto bad; 426 } 427 428 /* Lock the pack in. */ 429 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 430 XS_CTL_IGNORE_ILLEGAL_REQUEST | 431 XS_CTL_IGNORE_MEDIA_CHANGE); 432 SC_DEBUG(periph, SCSIPI_DB1, 433 ("cdopen: scsipi_prevent, error=%d\n", error)); 434 if (error) { 435 if (part == RAW_PART) 436 goto out; 437 goto bad; 438 } 439 440 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 441 int param_error; 442 443 /* Load the physical device parameters. */ 444 param_error = cd_get_parms(cd, 0); 445 if (param_error == CDGP_RESULT_OFFLINE) { 446 error = ENXIO; 447 goto bad2; 448 } 449 periph->periph_flags |= PERIPH_MEDIA_LOADED; 450 451 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 452 453 cd_set_geometry(cd); 454 455 /* make cdclose() loud again */ 456 cd->flags &= ~CDF_EJECTED; 457 } 458 459 periph->periph_flags |= PERIPH_OPEN; 460 461 out: 462 return 0; 463 464 bad2: 465 scsipi_prevent(periph, SPAMR_ALLOW, 466 XS_CTL_IGNORE_ILLEGAL_REQUEST | 467 XS_CTL_IGNORE_MEDIA_CHANGE | 468 XS_CTL_SILENT); 469 470 bad: 471 scsipi_adapter_delref(adapt); 472 return error; 473 } 474 475 /* 476 * open the device. Make sure the partition info is a up-to-date as can be. 477 */ 478 static int 479 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 480 { 481 struct cd_softc *cd; 482 struct dk_softc *dksc; 483 struct scsipi_periph *periph; 484 int unit, part; 485 int error; 486 487 unit = CDUNIT(dev); 488 cd = device_lookup_private(&cd_cd, unit); 489 if (cd == NULL) 490 return (ENXIO); 491 dksc = &cd->sc_dksc; 492 493 periph = cd->sc_periph; 494 part = CDPART(dev); 495 496 SC_DEBUG(periph, SCSIPI_DB1, 497 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %d)\n", 498 dev, unit, cd_cd.cd_ndevs, CDPART(dev))); 499 500 /* 501 * If any partition is open, but the disk has been invalidated, 502 * disallow further opens of non-raw partition 503 */ 504 if ((periph->periph_flags & (PERIPH_OPEN | PERIPH_MEDIA_LOADED)) == 505 PERIPH_OPEN) { 506 if (part != RAW_PART || fmt != S_IFCHR) 507 return EIO; 508 } 509 510 error = dk_open(dksc, dev, flag, fmt, l); 511 512 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 513 514 return error; 515 } 516 517 /* 518 * Serialized by caller 519 */ 520 static int 521 cd_lastclose(device_t self) 522 { 523 struct cd_softc *cd = device_private(self); 524 struct scsipi_periph *periph = cd->sc_periph; 525 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 526 int silent; 527 528 if ((cd->flags & CDF_EJECTED) != 0 || 529 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) 530 silent = XS_CTL_SILENT; 531 else 532 silent = 0; 533 534 cdcachesync(periph, silent); 535 536 scsipi_wait_drain(periph); 537 538 scsipi_prevent(periph, SPAMR_ALLOW, 539 XS_CTL_IGNORE_ILLEGAL_REQUEST | 540 XS_CTL_IGNORE_NOT_READY | 541 XS_CTL_SILENT); 542 periph->periph_flags &= ~PERIPH_OPEN; 543 544 scsipi_wait_drain(periph); 545 546 scsipi_adapter_delref(adapt); 547 548 return 0; 549 } 550 551 /* 552 * close the device.. only called if we are the LAST 553 * occurrence of an open device 554 */ 555 static int 556 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 557 { 558 struct cd_softc *cd; 559 struct dk_softc *dksc; 560 int unit; 561 562 unit = CDUNIT(dev); 563 cd = device_lookup_private(&cd_cd, unit); 564 dksc = &cd->sc_dksc; 565 566 return dk_close(dksc, dev, flag, fmt, l); 567 } 568 569 static void 570 cd_bounce_buffer_done(struct buf *bp) 571 { 572 struct cdbounce *bounce = bp->b_private; 573 struct buf *obp = bounce->obp; 574 575 if (bp == bounce->lbp) { 576 if ((bounce->lerr = bp->b_error) == 0) 577 memcpy(obp->b_data, (char *)bp->b_data + bounce->head, bounce->lcount); 578 bounce->lbp = NULL; 579 } 580 581 if (bp == bounce->rbp) { 582 if ((bounce->rerr = bp->b_error) == 0) 583 memcpy((char *)obp->b_data + bounce->lcount, bp->b_data, bounce->rcount); 584 bounce->rbp = NULL; 585 } 586 587 free(bp->b_data, M_DEVBUF); 588 putiobuf(bp); 589 590 if (bounce->lbp != NULL || bounce->rbp != NULL) 591 return; 592 593 obp->b_error = bounce->rerr; 594 if (bounce->lerr) 595 obp->b_error = bounce->lerr; 596 597 obp->b_resid = 0; 598 if (obp->b_error) 599 obp->b_resid = obp->b_bcount; 600 601 free(bounce, M_DEVBUF); 602 biodone(obp); 603 } 604 605 static int 606 cd_make_bounce_buffer(struct cd_softc *cd, struct buf *bp, daddr_t blkno, int count, struct buf **nbpp, void *priv) 607 { 608 struct buf *nbp; 609 610 /* We don't support bouncing writes */ 611 if ((bp->b_flags & B_READ) == 0) 612 return EACCES; /* XXX */ 613 614 nbp = getiobuf(NULL, false); 615 if (nbp == NULL) 616 return ENOMEM; 617 618 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 619 if (nbp->b_data == NULL) { 620 putiobuf(nbp); 621 return ENOMEM; 622 } 623 624 /* Set up the IOP to the bounce buffer */ 625 nbp->b_error = 0; 626 nbp->b_dev = bp->b_dev; 627 nbp->b_proc = bp->b_proc; 628 nbp->b_bcount = count; 629 nbp->b_bufsize = count; 630 nbp->b_blkno = blkno; 631 nbp->b_flags = bp->b_flags | B_READ; 632 nbp->b_oflags = bp->b_oflags; 633 nbp->b_cflags = bp->b_cflags; 634 nbp->b_iodone = cd_bounce_buffer_done; 635 nbp->b_private = priv; 636 637 BIO_COPYPRIO(nbp, bp); 638 639 *nbpp = nbp; 640 return 0; 641 } 642 643 static int 644 cd_make_bounce(struct cd_softc *cd, struct buf *bp, struct cdbounce **bouncep) 645 { 646 struct dk_softc *dksc = &cd->sc_dksc; 647 unsigned secsize = dksc->sc_dkdev.dk_geom.dg_secsize; 648 struct cdbounce *bounce; 649 int bps, nblks, skip, total, count; 650 daddr_t blkno; 651 struct buf *lbp, *rbp; 652 int error; 653 654 bounce = malloc(sizeof(struct cdbounce), M_DEVBUF, M_NOWAIT|M_ZERO); 655 if (bounce == NULL) 656 return ENOMEM; 657 658 bps = howmany(secsize, DEV_BSIZE); 659 nblks = howmany(bp->b_bcount, DEV_BSIZE); 660 661 skip = bp->b_blkno % bps; 662 663 blkno = bp->b_blkno - skip; 664 total = roundup(nblks + skip, bps) * DEV_BSIZE; 665 666 count = total; 667 cd_iosize(dksc->sc_dev, &count); 668 669 bounce->head = skip * DEV_BSIZE; 670 bounce->lcount = imin(count - bounce->head, bp->b_bcount); 671 bounce->rcount = bp->b_bcount - bounce->lcount; 672 673 error = cd_make_bounce_buffer(cd, bp, blkno, count, &lbp, bounce); 674 if (error) 675 goto bad; 676 677 blkno += howmany(count, DEV_BSIZE); 678 count = total - count; 679 680 if (count > 0) { 681 error = cd_make_bounce_buffer(cd, bp, blkno, count, &rbp, bounce); 682 if (error) { 683 free(lbp->b_data, M_DEVBUF); 684 putiobuf(lbp); 685 goto bad; 686 } 687 } else 688 rbp = NULL; 689 690 bounce->obp = bp; 691 bounce->lbp = lbp; 692 bounce->rbp = rbp; 693 694 *bouncep = bounce; 695 696 return 0; 697 698 bad: 699 free(bounce, M_DEVBUF); 700 return error; 701 } 702 703 /* 704 * Actually translate the requested transfer into one the physical driver can 705 * understand. The transfer is described by a buf and will include only one 706 * physical transfer. 707 */ 708 static void 709 cdstrategy(struct buf *bp) 710 { 711 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 712 struct dk_softc *dksc = &cd->sc_dksc; 713 struct scsipi_periph *periph = cd->sc_periph; 714 int error; 715 716 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 717 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 718 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 719 720 /* 721 * If the device has been made invalid, error out 722 * maybe the media changed 723 */ 724 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 725 if (periph->periph_flags & PERIPH_OPEN) 726 error = EIO; 727 else 728 error = ENODEV; 729 goto bad; 730 } 731 732 /* 733 * If label and device don't agree in sector size use a bounce buffer 734 */ 735 if (dksc->sc_dkdev.dk_label->d_secsize != dksc->sc_dkdev.dk_geom.dg_secsize) { 736 struct cdbounce *bounce = NULL; 737 738 error = cd_make_bounce(cd, bp, &bounce); 739 if (error) 740 goto bad; 741 742 dk_strategy(dksc, bounce->lbp); 743 if (bounce->rbp != NULL) 744 dk_strategy(dksc, bounce->rbp); 745 746 return; 747 } 748 749 dk_strategy(dksc, bp); 750 return; 751 752 bad: 753 bp->b_error = error; 754 bp->b_resid = bp->b_bcount; 755 biodone(bp); 756 } 757 758 /* 759 * Issue single I/O command 760 * 761 * Called from dk_start and implicitly from dk_strategy 762 */ 763 static int 764 cd_diskstart(device_t dev, struct buf *bp) 765 { 766 struct cd_softc *cd = device_private(dev); 767 struct scsipi_periph *periph = cd->sc_periph; 768 struct scsipi_channel *chan = periph->periph_channel; 769 struct scsipi_rw_10 cmd_big; 770 struct scsi_rw_6 cmd_small; 771 struct scsipi_generic *cmdp; 772 struct scsipi_xfer *xs; 773 int error, flags, nblks, cmdlen; 774 775 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 776 777 mutex_enter(chan_mtx(chan)); 778 779 if (periph->periph_active >= periph->periph_openings) { 780 error = EAGAIN; 781 goto out; 782 } 783 784 /* 785 * there is excess capacity, but a special waits 786 * It'll need the adapter as soon as we clear out of the 787 * way and let it run (user level wait). 788 */ 789 if (periph->periph_flags & PERIPH_WAITING) { 790 periph->periph_flags &= ~PERIPH_WAITING; 791 cv_broadcast(periph_cv_periph(periph)); 792 error = EAGAIN; 793 goto out; 794 } 795 796 /* 797 * If the device has become invalid, abort all the 798 * reads and writes until all files have been closed and 799 * re-opened 800 */ 801 if (__predict_false( 802 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 803 error = EIO; 804 goto out; 805 } 806 807 nblks = howmany(bp->b_bcount, cd->params.blksize); 808 809 /* 810 * Fill out the scsi command. If the transfer will 811 * fit in a "small" cdb, use it. 812 */ 813 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 814 ((nblks & 0xff) == nblks) && 815 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 816 /* 817 * We can fit in a small cdb. 818 */ 819 memset(&cmd_small, 0, sizeof(cmd_small)); 820 cmd_small.opcode = (bp->b_flags & B_READ) ? 821 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 822 _lto3b(bp->b_rawblkno, cmd_small.addr); 823 cmd_small.length = nblks & 0xff; 824 cmdlen = sizeof(cmd_small); 825 cmdp = (struct scsipi_generic *)&cmd_small; 826 } else { 827 /* 828 * Need a large cdb. 829 */ 830 memset(&cmd_big, 0, sizeof(cmd_big)); 831 cmd_big.opcode = (bp->b_flags & B_READ) ? 832 READ_10 : WRITE_10; 833 _lto4b(bp->b_rawblkno, cmd_big.addr); 834 _lto2b(nblks, cmd_big.length); 835 cmdlen = sizeof(cmd_big); 836 cmdp = (struct scsipi_generic *)&cmd_big; 837 } 838 839 /* 840 * Figure out what flags to use. 841 */ 842 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 843 if (bp->b_flags & B_READ) 844 flags |= XS_CTL_DATA_IN; 845 else 846 flags |= XS_CTL_DATA_OUT; 847 848 /* 849 * Call the routine that chats with the adapter. 850 * Note: we cannot sleep as we may be an interrupt 851 */ 852 xs = scsipi_make_xs_locked(periph, cmdp, cmdlen, 853 (u_char *)bp->b_data, bp->b_bcount, 854 CDRETRIES, 30000, bp, flags); 855 if (__predict_false(xs == NULL)) { 856 /* 857 * out of memory. Keep this buffer in the queue, and 858 * retry later. 859 */ 860 callout_reset(&cd->sc_callout, hz / 2, cdrestart, cd); 861 error = EAGAIN; 862 goto out; 863 } 864 865 error = scsipi_execute_xs(xs); 866 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 867 KASSERT(error == 0); 868 869 out: 870 mutex_exit(chan_mtx(chan)); 871 872 return error; 873 } 874 875 /* 876 * Recover I/O request after memory shortage 877 * 878 * Called from callout 879 */ 880 static void 881 cdrestart(void *v) 882 { 883 struct cd_softc *cd = v; 884 struct dk_softc *dksc = &cd->sc_dksc; 885 886 dk_start(dksc, NULL); 887 } 888 889 /* 890 * Recover I/O request after memory shortage 891 * 892 * Called from scsipi midlayer when resources have been freed 893 * with channel lock held 894 */ 895 static void 896 cdstart(struct scsipi_periph *periph) 897 { 898 struct cd_softc *cd = device_private(periph->periph_dev); 899 struct dk_softc *dksc = &cd->sc_dksc; 900 struct scsipi_channel *chan = periph->periph_channel; 901 902 /* 903 * release channel lock as dk_start may need to acquire 904 * other locks 905 * 906 * cdstart is called from scsipi_put_xs and all its callers 907 * release the lock afterwards. So releasing it here 908 * doesn't matter. 909 */ 910 mutex_exit(chan_mtx(chan)); 911 912 dk_start(dksc, NULL); 913 914 mutex_enter(chan_mtx(chan)); 915 } 916 917 static void 918 cddone(struct scsipi_xfer *xs, int error) 919 { 920 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 921 struct dk_softc *dksc = &cd->sc_dksc; 922 struct buf *bp = xs->bp; 923 924 if (bp) { 925 bp->b_error = error; 926 bp->b_resid = xs->resid; 927 if (error) { 928 /* on a read/write error bp->b_resid is zero, so fix */ 929 bp->b_resid = bp->b_bcount; 930 } 931 932 dk_done(dksc, bp); 933 /* dk_start is called from scsipi_complete */ 934 } 935 } 936 937 static int 938 cd_interpret_sense(struct scsipi_xfer *xs) 939 { 940 struct scsipi_periph *periph = xs->xs_periph; 941 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 942 int retval = EJUSTRETURN; 943 944 /* 945 * If it isn't an extended or extended/deferred error, let 946 * the generic code handle it. 947 */ 948 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 949 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 950 return (retval); 951 952 /* 953 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 954 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 955 * wait a bit for the drive to spin up 956 */ 957 958 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 959 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 960 /* 961 * Sleep for 5 seconds to wait for the drive to spin up 962 */ 963 964 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 965 "spinup\n")); 966 if (!callout_pending(&periph->periph_callout)) 967 scsipi_periph_freeze(periph, 1); 968 callout_reset(&periph->periph_callout, 969 5 * hz, scsipi_periph_timed_thaw, periph); 970 retval = ERESTART; 971 } 972 973 /* 974 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 975 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 976 * then wait for the specified time 977 */ 978 979 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 980 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 981 /* 982 * we could listen to the delay; but it looks like the skey 983 * data is not always returned. 984 */ 985 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 986 987 /* wait for a half second and get going again */ 988 if (!callout_pending(&periph->periph_callout)) 989 scsipi_periph_freeze(periph, 1); 990 callout_reset(&periph->periph_callout, 991 hz/2, scsipi_periph_timed_thaw, periph); 992 retval = ERESTART; 993 } 994 995 /* 996 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 997 * progress" (Sense code 0x04, 0x08), then wait for the specified 998 * time 999 */ 1000 1001 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 1002 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 1003 /* 1004 * long write in process; we could listen to the delay; but it 1005 * looks like the skey data is not always returned. 1006 */ 1007 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1008 1009 /* wait for a half second and get going again */ 1010 if (!callout_pending(&periph->periph_callout)) 1011 scsipi_periph_freeze(periph, 1); 1012 callout_reset(&periph->periph_callout, 1013 hz/2, scsipi_periph_timed_thaw, periph); 1014 retval = ERESTART; 1015 } 1016 1017 return (retval); 1018 } 1019 1020 static void 1021 cdminphys(struct buf *bp) 1022 { 1023 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1024 struct dk_softc *dksc = &cd->sc_dksc; 1025 long xmax; 1026 1027 /* 1028 * If the device is ancient, we want to make sure that 1029 * the transfer fits into a 6-byte cdb. 1030 * 1031 * XXX Note that the SCSI-I spec says that 256-block transfers 1032 * are allowed in a 6-byte read/write, and are specified 1033 * by setting the "length" to 0. However, we're conservative 1034 * here, allowing only 255-block transfers in case an 1035 * ancient device gets confused by length == 0. A length of 0 1036 * in a 10-byte read/write actually means 0 blocks. 1037 */ 1038 if (cd->flags & CDF_ANCIENT) { 1039 xmax = dksc->sc_dkdev.dk_geom.dg_secsize * 0xff; 1040 1041 if (bp->b_bcount > xmax) 1042 bp->b_bcount = xmax; 1043 } 1044 1045 scsipi_adapter_minphys(cd->sc_periph->periph_channel, bp); 1046 } 1047 1048 static void 1049 cd_iosize(device_t dev, int *count) 1050 { 1051 struct buf B; 1052 int bmaj; 1053 1054 bmaj = bdevsw_lookup_major(&cd_bdevsw); 1055 B.b_dev = MAKECDDEV(bmaj,device_unit(dev),RAW_PART); 1056 B.b_bcount = *count; 1057 1058 cdminphys(&B); 1059 1060 *count = B.b_bcount; 1061 } 1062 1063 static int 1064 cdread(dev_t dev, struct uio *uio, int ioflag) 1065 { 1066 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1067 } 1068 1069 static int 1070 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1071 { 1072 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1073 } 1074 1075 #if 0 /* XXX Not used */ 1076 /* 1077 * conversion between minute-seconde-frame and logical block address 1078 * addresses format 1079 */ 1080 static void 1081 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1082 { 1083 u_long tmp; 1084 1085 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1086 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1087 *m = tmp / (CD_SECS * CD_FRAMES); 1088 tmp %= (CD_SECS * CD_FRAMES); 1089 *s = tmp / CD_FRAMES; 1090 *f = tmp % CD_FRAMES; 1091 } 1092 #endif /* XXX Not used */ 1093 1094 /* 1095 * Convert an hour:minute:second:frame address to a logical block address. In 1096 * theory the number of secs/minute and number of frames/second could be 1097 * configured differently in the device as could the block offset but in 1098 * practice these values are rock solid and most drives don't even allow 1099 * theses values to be changed. 1100 */ 1101 static uint32_t 1102 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1103 { 1104 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1105 - CD_BLOCK_OFFSET; 1106 } 1107 1108 static int 1109 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1110 { 1111 struct scsipi_periph *periph = cd->sc_periph; 1112 int error; 1113 struct cd_toc_entry *cte; 1114 1115 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1116 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1117 0, 0x40 /* control word for "get MS info" */); 1118 1119 if (error) 1120 return (error); 1121 1122 cte = &toc->entries[0]; 1123 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1124 cte->addr.lba = le32toh(cte->addr.lba); 1125 toc->header.len = le16toh(toc->header.len); 1126 } else { 1127 cte->addr.lba = be32toh(cte->addr.lba); 1128 toc->header.len = be16toh(toc->header.len); 1129 } 1130 1131 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1132 cte->addr.lba : 0; 1133 return 0; 1134 } 1135 1136 /* synchronise caches code from cd.c, move to scsipi_ioctl.c ? */ 1137 static int 1138 cdcachesync(struct scsipi_periph *periph, int flags) { 1139 struct scsi_synchronize_cache_10 cmd; 1140 1141 /* 1142 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1143 * and length 0 as it can't synchronise parts of the disc per spec. 1144 * We ignore ILLEGAL REQUEST in the event that the command is not 1145 * supported by the device, and poll for completion so that we know 1146 * that the cache has actually been flushed. 1147 * 1148 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1149 */ 1150 1151 memset(&cmd, 0, sizeof(cmd)); 1152 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1153 1154 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1155 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1156 } 1157 1158 static int 1159 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1160 struct cd_formatted_toc *toc) 1161 { 1162 /* READ TOC format 0 command, entries */ 1163 struct ioc_toc_header *th; 1164 struct cd_toc_entry *cte; 1165 u_int len = te->data_len; 1166 int ntracks; 1167 int error; 1168 1169 th = &toc->header; 1170 1171 if (len > sizeof(toc->entries) || 1172 len < sizeof(toc->entries[0])) 1173 return (EINVAL); 1174 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1175 te->starting_track, toc, 1176 sizeof(toc->header) + len, 1177 0, 0); 1178 if (error) 1179 return (error); 1180 if (te->address_format == CD_LBA_FORMAT) 1181 for (ntracks = 1182 th->ending_track - th->starting_track + 1; 1183 ntracks >= 0; ntracks--) { 1184 cte = &toc->entries[ntracks]; 1185 cte->addr_type = CD_LBA_FORMAT; 1186 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1187 cte->addr.lba = le32toh(cte->addr.lba); 1188 else 1189 cte->addr.lba = be32toh(cte->addr.lba); 1190 } 1191 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1192 th->len = le16toh(th->len); 1193 else 1194 th->len = be16toh(th->len); 1195 return 0; 1196 } 1197 1198 /* 1199 * Perform special action on behalf of the user. 1200 * Knows about the internals of this device 1201 */ 1202 static int 1203 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1204 { 1205 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1206 struct dk_softc *dksc = &cd->sc_dksc; 1207 struct scsipi_periph *periph = cd->sc_periph; 1208 struct cd_formatted_toc toc; 1209 int part = CDPART(dev); 1210 int error; 1211 1212 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1213 1214 /* 1215 * If the device is not valid, some IOCTLs can still be 1216 * handled on the raw partition. Check this here. 1217 */ 1218 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 1219 part != RAW_PART) 1220 return (EIO); 1221 1222 switch (cmd) { 1223 case DIOCTUR: { 1224 /* test unit ready */ 1225 error = scsipi_test_unit_ready(cd->sc_periph, XS_CTL_SILENT); 1226 *((int*)addr) = (error == 0); 1227 if (error == ENODEV || error == EIO || error == 0) 1228 return 0; 1229 return error; 1230 } 1231 case CDIOCPLAYTRACKS: { 1232 /* PLAY_MSF command */ 1233 struct ioc_play_track *args = addr; 1234 1235 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1236 return (error); 1237 return (cd_play_tracks(cd, &toc, args->start_track, 1238 args->start_index, args->end_track, args->end_index)); 1239 } 1240 case CDIOCPLAYMSF: { 1241 /* PLAY_MSF command */ 1242 struct ioc_play_msf *args = addr; 1243 1244 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1245 return (error); 1246 return (cd_play_msf(cd, args->start_m, args->start_s, 1247 args->start_f, args->end_m, args->end_s, args->end_f)); 1248 } 1249 case CDIOCPLAYBLOCKS: { 1250 /* PLAY command */ 1251 struct ioc_play_blocks *args = addr; 1252 1253 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1254 return (error); 1255 return (cd_play(cd, args->blk, args->len)); 1256 } 1257 case CDIOCREADSUBCHANNEL: { 1258 /* READ_SUBCHANNEL command */ 1259 struct ioc_read_subchannel *args = addr; 1260 struct cd_sub_channel_info data; 1261 u_int len = args->data_len; 1262 1263 if (len > sizeof(data) || 1264 len < sizeof(struct cd_sub_channel_header)) 1265 return (EINVAL); 1266 error = cd_read_subchannel(cd, args->address_format, 1267 args->data_format, args->track, &data, len, 0); 1268 if (error) 1269 return (error); 1270 len = uimin(len, _2btol(data.header.data_len) + 1271 sizeof(struct cd_sub_channel_header)); 1272 return (copyout(&data, args->data, len)); 1273 } 1274 case CDIOCREADSUBCHANNEL_BUF: { 1275 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1276 struct ioc_read_subchannel_buf *args = addr; 1277 if (args->req.data_len != sizeof args->info) 1278 return EINVAL; 1279 return cd_read_subchannel(cd, args->req.address_format, 1280 args->req.data_format, args->req.track, &args->info, 1281 sizeof(args->info), 0); 1282 } 1283 case CDIOREADTOCHEADER: { 1284 /* READ TOC format 0 command, static header */ 1285 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1286 &toc, sizeof(toc.header), 0, 0)) != 0) 1287 return (error); 1288 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1289 toc.header.len = le16toh(toc.header.len); 1290 else 1291 toc.header.len = be16toh(toc.header.len); 1292 memcpy(addr, &toc.header, sizeof(toc.header)); 1293 return (0); 1294 } 1295 case CDIOREADTOCENTRYS: { 1296 struct ioc_read_toc_entry *te = addr; 1297 error = do_cdioreadentries(cd, te, &toc); 1298 if (error != 0) 1299 return error; 1300 return copyout(toc.entries, te->data, uimin(te->data_len, 1301 toc.header.len - (sizeof(toc.header.starting_track) 1302 + sizeof(toc.header.ending_track)))); 1303 } 1304 case CDIOREADTOCENTRIES_BUF: { 1305 struct ioc_read_toc_entry_buf *te = addr; 1306 error = do_cdioreadentries(cd, &te->req, &toc); 1307 if (error != 0) 1308 return error; 1309 memcpy(te->entry, toc.entries, uimin(te->req.data_len, 1310 toc.header.len - (sizeof(toc.header.starting_track) 1311 + sizeof(toc.header.ending_track)))); 1312 return 0; 1313 } 1314 case CDIOREADMSADDR: { 1315 /* READ TOC format 0 command, length of first track only */ 1316 int sessno = *(int*)addr; 1317 1318 if (sessno != 0) 1319 return (EINVAL); 1320 1321 return (cdreadmsaddr(cd, &toc, addr)); 1322 } 1323 case CDIOCSETPATCH: { 1324 struct ioc_patch *arg = addr; 1325 1326 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1327 arg->patch[2], arg->patch[3], 0)); 1328 } 1329 case CDIOCGETVOL: { 1330 /* MODE SENSE command (AUDIO page) */ 1331 struct ioc_vol *arg = addr; 1332 1333 return (cd_getvol(cd, arg, 0)); 1334 } 1335 case CDIOCSETVOL: { 1336 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1337 struct ioc_vol *arg = addr; 1338 1339 return (cd_setvol(cd, arg, 0)); 1340 } 1341 case CDIOCSETMONO: 1342 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1343 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1344 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1345 1346 case CDIOCSETSTEREO: 1347 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1348 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1349 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1350 1351 case CDIOCSETMUTE: 1352 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1353 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1354 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1355 1356 case CDIOCSETLEFT: 1357 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1358 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1359 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1360 1361 case CDIOCSETRIGHT: 1362 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1363 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1364 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1365 1366 case CDIOCRESUME: 1367 /* PAUSE command */ 1368 return (cd_pause(cd, PA_RESUME)); 1369 case CDIOCPAUSE: 1370 /* PAUSE command */ 1371 return (cd_pause(cd, PA_PAUSE)); 1372 case CDIOCSTART: 1373 return (scsipi_start(periph, SSS_START, 0)); 1374 case CDIOCSTOP: 1375 return (scsipi_start(periph, SSS_STOP, 0)); 1376 case CDIOCCLOSE: 1377 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1378 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1379 case DIOCEJECT: 1380 if (*(int *)addr == 0) { 1381 int pmask = __BIT(part); 1382 /* 1383 * Don't force eject: check that we are the only 1384 * partition open. If so, unlock it. 1385 */ 1386 if (DK_BUSY(dksc, pmask) == 0) { 1387 error = scsipi_prevent(periph, SPAMR_ALLOW, 1388 XS_CTL_IGNORE_NOT_READY); 1389 if (error) 1390 return (error); 1391 } else { 1392 return (EBUSY); 1393 } 1394 } 1395 /* FALLTHROUGH */ 1396 case CDIOCEJECT: /* FALLTHROUGH */ 1397 case ODIOCEJECT: 1398 error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0); 1399 if (error == 0) 1400 /* Make sure cdclose() will do silent operations */ 1401 cd->flags |= CDF_EJECTED; 1402 return error; 1403 case DIOCCACHESYNC: 1404 /* SYNCHRONISE CACHES command */ 1405 return (cdcachesync(periph, 0)); 1406 case CDIOCALLOW: 1407 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1408 case CDIOCPREVENT: 1409 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1410 case DIOCLOCK: 1411 return (scsipi_prevent(periph, 1412 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1413 case CDIOCSETDEBUG: 1414 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1415 return (0); 1416 case CDIOCCLRDEBUG: 1417 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1418 return (0); 1419 case CDIOCRESET: 1420 case SCIOCRESET: 1421 return (cd_reset(cd)); 1422 case CDIOCLOADUNLOAD: 1423 /* LOAD_UNLOAD command */ 1424 return (cd_load_unload(cd, addr)); 1425 case DVD_AUTH: 1426 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1427 return (dvd_auth(cd, addr)); 1428 case DVD_READ_STRUCT: 1429 /* GPCMD_READ_DVD_STRUCTURE command */ 1430 return (dvd_read_struct(cd, addr)); 1431 case MMCGETDISCINFO: 1432 /* 1433 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1434 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1435 */ 1436 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1437 case MMCGETTRACKINFO: 1438 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1439 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1440 case MMCOP: 1441 /* 1442 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1443 * SYNCHRONISE_CACHE commands 1444 */ 1445 return mmc_do_op(periph, (struct mmc_op *) addr); 1446 case MMCSETUPWRITEPARAMS : 1447 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1448 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1449 default: 1450 error = dk_ioctl(dksc, dev, cmd, addr, flag, l); 1451 if (error == ENOTTY) 1452 error = scsipi_do_ioctl(periph, dev, cmd, addr, flag, l); 1453 return (error); 1454 } 1455 1456 #ifdef DIAGNOSTIC 1457 panic("cdioctl: impossible"); 1458 #endif 1459 } 1460 1461 static void 1462 cd_label(device_t self, struct disklabel *lp) 1463 { 1464 struct cd_softc *cd = device_private(self); 1465 struct scsipi_periph *periph = cd->sc_periph; 1466 struct cd_formatted_toc toc; 1467 int lastsession = 0; 1468 1469 strncpy(lp->d_typename, "optical media", 16); 1470 lp->d_rpm = 300; 1471 lp->d_flags |= D_REMOVABLE; 1472 1473 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) != 0) { 1474 lp->d_flags |= D_SCSI_MMC; 1475 (void) cdreadmsaddr(cd, &toc, &lastsession); 1476 } 1477 1478 lp->d_partitions[0].p_offset = 0; 1479 lp->d_partitions[0].p_size = lp->d_secperunit; 1480 lp->d_partitions[0].p_cdsession = lastsession; 1481 lp->d_partitions[0].p_fstype = FS_ISO9660; 1482 1483 lp->d_partitions[RAW_PART].p_offset = 0; 1484 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1485 lp->d_partitions[RAW_PART].p_fstype = FS_UDF; 1486 } 1487 1488 /* 1489 * Reading a disc's total capacity is apparently a very difficult issue for the 1490 * SCSI standardisation group. Every disc type seems to have its own 1491 * (re)invented size request method and modifiers. The failsafe way of 1492 * determining the total (max) capacity i.e. not the recorded capacity but the 1493 * total maximum capacity is to request the info on the last track and 1494 * calculate the last lba. 1495 * 1496 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1497 * we count. 1498 */ 1499 static int 1500 read_cd_capacity(struct scsipi_periph *periph, uint32_t *blksize, u_long *last_lba) 1501 { 1502 struct scsipi_read_cd_capacity cap_cmd; 1503 /* 1504 * XXX: see PR 48550 and PR 48754: 1505 * the ahcisata(4) driver can not deal with unaligned 1506 * data, so align this "a bit" 1507 */ 1508 struct scsipi_read_cd_cap_data cap __aligned(2); 1509 struct scsipi_read_discinfo di_cmd; 1510 struct scsipi_read_discinfo_data di __aligned(2); 1511 struct scsipi_read_trackinfo ti_cmd; 1512 struct scsipi_read_trackinfo_data ti __aligned(2); 1513 uint32_t track_start, track_size; 1514 int error, flags, msb, lsb, last_track; 1515 1516 /* if the device doesn't grok capacity, return the dummies */ 1517 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1518 return 0; 1519 1520 /* first try read CD capacity for blksize and last recorded lba */ 1521 /* issue the cd capacity request */ 1522 flags = XS_CTL_DATA_IN; 1523 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1524 memset(&cap, 0, sizeof(cap)); 1525 cap_cmd.opcode = READ_CD_CAPACITY; 1526 1527 error = scsipi_command(periph, 1528 (void *) &cap_cmd, sizeof(cap_cmd), 1529 (void *) &cap, sizeof(cap), 1530 CDRETRIES, 30000, NULL, flags); 1531 if (error) 1532 return error; 1533 1534 /* retrieve values and sanity check them */ 1535 *blksize = _4btol(cap.length); 1536 *last_lba = _4btol(cap.addr); 1537 1538 /* blksize is 2048 for CD, but some drives give gibberish */ 1539 if ((*blksize < 512) || ((*blksize & 511) != 0) 1540 || (*blksize > 16*1024)) { 1541 if (*blksize > 16*1024) 1542 aprint_error("read_cd_capacity: extra large block " 1543 "size %u found - limiting to 2kByte\n", 1544 *blksize); 1545 *blksize = 2048; /* some drives lie ! */ 1546 } 1547 1548 /* If the device doesn't handle READ_DISCINFO properly, */ 1549 /* return the dummies */ 1550 if (periph->periph_quirks & PQUIRK_NOREADDISCINFO) 1551 return 0; 1552 1553 /* recordables have READ_DISCINFO implemented */ 1554 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1555 memset(&di_cmd, 0, sizeof(di_cmd)); 1556 di_cmd.opcode = READ_DISCINFO; 1557 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1558 1559 error = scsipi_command(periph, 1560 (void *) &di_cmd, sizeof(di_cmd), 1561 (void *) &di, READ_DISCINFO_BIGSIZE, 1562 CDRETRIES, 30000, NULL, flags); 1563 if (error == 0) { 1564 msb = di.last_track_last_session_msb; 1565 lsb = di.last_track_last_session_lsb; 1566 last_track = (msb << 8) | lsb; 1567 1568 /* request info on last track */ 1569 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1570 ti_cmd.opcode = READ_TRACKINFO; 1571 ti_cmd.addr_type = 1; /* on tracknr */ 1572 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1573 _lto2b(sizeof(ti), ti_cmd.data_len); 1574 1575 error = scsipi_command(periph, 1576 (void *) &ti_cmd, sizeof(ti_cmd), 1577 (void *) &ti, sizeof(ti), 1578 CDRETRIES, 30000, NULL, flags); 1579 if (error == 0) { 1580 track_start = _4btol(ti.track_start); 1581 track_size = _4btol(ti.track_size); 1582 1583 /* overwrite only with a sane value */ 1584 if (track_start + track_size >= 100) 1585 *last_lba = (u_long) track_start + track_size -1; 1586 } 1587 } 1588 1589 /* sanity check for lba_size */ 1590 if (*last_lba < 100) 1591 *last_lba = 400000-1; 1592 1593 return 0; 1594 } 1595 1596 /* 1597 * Find out from the device what its capacity is 1598 */ 1599 static u_long 1600 cd_size(struct cd_softc *cd, int flags) 1601 { 1602 uint32_t blksize = 2048; 1603 u_long last_lba = 0, size; 1604 int error; 1605 1606 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); 1607 if (error) 1608 goto error; 1609 1610 if (blksize != 2048) { 1611 if (cd_setblksize(cd) == 0) { 1612 blksize = 2048; 1613 error = read_cd_capacity(cd->sc_periph, 1614 &blksize, &last_lba); 1615 if (error) 1616 goto error; 1617 } 1618 } 1619 1620 size = last_lba + 1; 1621 cd->params.blksize = blksize; 1622 cd->params.disksize = size; 1623 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1624 1625 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1626 ("cd_size: %u %lu\n", blksize, size)); 1627 1628 return size; 1629 1630 error: 1631 /* something went wrong */ 1632 cd->params.blksize = 2048; 1633 cd->params.disksize = 0; 1634 cd->params.disksize512 = 0; 1635 1636 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); 1637 1638 return 0; 1639 } 1640 1641 /* 1642 * Get scsi driver to send a "start playing" command 1643 */ 1644 static int 1645 cd_play(struct cd_softc *cd, int blkno, int nblks) 1646 { 1647 struct scsipi_play cmd; 1648 1649 memset(&cmd, 0, sizeof(cmd)); 1650 cmd.opcode = PLAY; 1651 _lto4b(blkno, cmd.blk_addr); 1652 _lto2b(nblks, cmd.xfer_len); 1653 1654 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1655 CDRETRIES, 30000, NULL, 0)); 1656 } 1657 1658 /* 1659 * Get scsi driver to send a "start playing" command 1660 */ 1661 static int 1662 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1663 int sindex, int etrack, int eindex) 1664 { 1665 int error; 1666 1667 if (!etrack) 1668 return (EIO); 1669 if (strack > etrack) 1670 return (EINVAL); 1671 1672 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1673 if (error) 1674 return (error); 1675 1676 if (++etrack > (toc->header.ending_track+1)) 1677 etrack = toc->header.ending_track+1; 1678 1679 strack -= toc->header.starting_track; 1680 etrack -= toc->header.starting_track; 1681 if (strack < 0) 1682 return (EINVAL); 1683 1684 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1685 toc->entries[strack].addr.msf.second, 1686 toc->entries[strack].addr.msf.frame, 1687 toc->entries[etrack].addr.msf.minute, 1688 toc->entries[etrack].addr.msf.second, 1689 toc->entries[etrack].addr.msf.frame)); 1690 } 1691 1692 /* 1693 * Get scsi driver to send a "play msf" command 1694 */ 1695 static int 1696 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1697 int ends, int endf) 1698 { 1699 struct scsipi_play_msf cmd; 1700 1701 memset(&cmd, 0, sizeof(cmd)); 1702 cmd.opcode = PLAY_MSF; 1703 cmd.start_m = startm; 1704 cmd.start_s = starts; 1705 cmd.start_f = startf; 1706 cmd.end_m = endm; 1707 cmd.end_s = ends; 1708 cmd.end_f = endf; 1709 1710 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1711 CDRETRIES, 30000, NULL, 0)); 1712 } 1713 1714 /* 1715 * Get scsi driver to send a "start up" command 1716 */ 1717 static int 1718 cd_pause(struct cd_softc *cd, int go) 1719 { 1720 struct scsipi_pause cmd; 1721 1722 memset(&cmd, 0, sizeof(cmd)); 1723 cmd.opcode = PAUSE; 1724 cmd.resume = go & 0xff; 1725 1726 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1727 CDRETRIES, 30000, NULL, 0)); 1728 } 1729 1730 /* 1731 * Get scsi driver to send a "RESET" command 1732 */ 1733 static int 1734 cd_reset(struct cd_softc *cd) 1735 { 1736 1737 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1738 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1739 } 1740 1741 /* 1742 * Read subchannel 1743 */ 1744 static int 1745 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1746 struct cd_sub_channel_info *data, int len, int flags) 1747 { 1748 struct scsipi_read_subchannel cmd; 1749 1750 memset(&cmd, 0, sizeof(cmd)); 1751 cmd.opcode = READ_SUBCHANNEL; 1752 if (mode == CD_MSF_FORMAT) 1753 cmd.byte2 |= CD_MSF; 1754 cmd.byte3 = SRS_SUBQ; 1755 cmd.subchan_format = format; 1756 cmd.track = track; 1757 _lto2b(len, cmd.data_len); 1758 1759 return (scsipi_command(cd->sc_periph, 1760 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1761 (void *)data, len, 1762 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1763 } 1764 1765 /* 1766 * Read table of contents 1767 */ 1768 static int 1769 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1770 struct cd_formatted_toc *toc, int len, int flags, int control) 1771 { 1772 struct scsipi_read_toc cmd; 1773 int ntoc; 1774 1775 memset(&cmd, 0, sizeof(cmd)); 1776 #if 0 1777 if (len != sizeof(struct ioc_toc_header)) 1778 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1779 sizeof(struct cd_toc_entry); 1780 else 1781 #endif 1782 ntoc = len; 1783 cmd.opcode = READ_TOC; 1784 if (mode == CD_MSF_FORMAT) 1785 cmd.addr_mode |= CD_MSF; 1786 cmd.resp_format = respf; 1787 cmd.from_track = start; 1788 _lto2b(ntoc, cmd.data_len); 1789 cmd.control = control; 1790 1791 return (scsipi_command(cd->sc_periph, 1792 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 1793 30000, NULL, flags | XS_CTL_DATA_IN)); 1794 } 1795 1796 static int 1797 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1798 { 1799 int ntracks, len, error; 1800 1801 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1802 flags, 0)) != 0) 1803 return (error); 1804 1805 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1806 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1807 sizeof(toc->header); 1808 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1809 flags, 0)) != 0) 1810 return (error); 1811 return (0); 1812 } 1813 1814 /* 1815 * Get the scsi driver to send a full inquiry to the device and use the 1816 * results to fill out the disk parameter structure. 1817 */ 1818 static int 1819 cd_get_parms(struct cd_softc *cd, int flags) 1820 { 1821 1822 /* 1823 * give a number of sectors so that sec * trks * cyls 1824 * is <= disk_size 1825 */ 1826 if (cd_size(cd, flags) == 0) 1827 return (ENXIO); 1828 return (0); 1829 } 1830 1831 static int 1832 cdsize(dev_t dev) 1833 { 1834 1835 /* CD-ROMs are read-only. */ 1836 return (-1); 1837 } 1838 1839 static int 1840 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1841 { 1842 1843 /* Not implemented. */ 1844 return (ENXIO); 1845 } 1846 1847 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1848 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1849 1850 static int 1851 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 1852 { 1853 struct scsipi_generic cmd; 1854 u_int8_t bf[20]; 1855 int error; 1856 1857 memset(cmd.bytes, 0, 15); 1858 memset(bf, 0, sizeof(bf)); 1859 1860 switch (a->type) { 1861 case DVD_LU_SEND_AGID: 1862 cmd.opcode = GPCMD_REPORT_KEY; 1863 cmd.bytes[8] = 8; 1864 cmd.bytes[9] = 0 | (0 << 6); 1865 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1866 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1867 if (error) 1868 return (error); 1869 a->lsa.agid = bf[7] >> 6; 1870 return (0); 1871 1872 case DVD_LU_SEND_CHALLENGE: 1873 cmd.opcode = GPCMD_REPORT_KEY; 1874 cmd.bytes[8] = 16; 1875 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1876 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1877 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1878 if (error) 1879 return (error); 1880 dvd_copy_challenge(a->lsc.chal, &bf[4]); 1881 return (0); 1882 1883 case DVD_LU_SEND_KEY1: 1884 cmd.opcode = GPCMD_REPORT_KEY; 1885 cmd.bytes[8] = 12; 1886 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 1887 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1888 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1889 if (error) 1890 return (error); 1891 dvd_copy_key(a->lsk.key, &bf[4]); 1892 return (0); 1893 1894 case DVD_LU_SEND_TITLE_KEY: 1895 cmd.opcode = GPCMD_REPORT_KEY; 1896 _lto4b(a->lstk.lba, &cmd.bytes[1]); 1897 cmd.bytes[8] = 12; 1898 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 1899 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1900 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1901 if (error) 1902 return (error); 1903 a->lstk.cpm = (bf[4] >> 7) & 1; 1904 a->lstk.cp_sec = (bf[4] >> 6) & 1; 1905 a->lstk.cgms = (bf[4] >> 4) & 3; 1906 dvd_copy_key(a->lstk.title_key, &bf[5]); 1907 return (0); 1908 1909 case DVD_LU_SEND_ASF: 1910 cmd.opcode = GPCMD_REPORT_KEY; 1911 cmd.bytes[8] = 8; 1912 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 1913 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1914 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1915 if (error) 1916 return (error); 1917 a->lsasf.asf = bf[7] & 1; 1918 return (0); 1919 1920 case DVD_HOST_SEND_CHALLENGE: 1921 cmd.opcode = GPCMD_SEND_KEY; 1922 cmd.bytes[8] = 16; 1923 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 1924 bf[1] = 14; 1925 dvd_copy_challenge(&bf[4], a->hsc.chal); 1926 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1927 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1928 if (error) 1929 return (error); 1930 a->type = DVD_LU_SEND_KEY1; 1931 return (0); 1932 1933 case DVD_HOST_SEND_KEY2: 1934 cmd.opcode = GPCMD_SEND_KEY; 1935 cmd.bytes[8] = 12; 1936 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 1937 bf[1] = 10; 1938 dvd_copy_key(&bf[4], a->hsk.key); 1939 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1940 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1941 if (error) { 1942 a->type = DVD_AUTH_FAILURE; 1943 return (error); 1944 } 1945 a->type = DVD_AUTH_ESTABLISHED; 1946 return (0); 1947 1948 case DVD_INVALIDATE_AGID: 1949 cmd.opcode = GPCMD_REPORT_KEY; 1950 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 1951 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1952 CDRETRIES, 30000, NULL, 0); 1953 if (error) 1954 return (error); 1955 return (0); 1956 1957 case DVD_LU_SEND_RPC_STATE: 1958 cmd.opcode = GPCMD_REPORT_KEY; 1959 cmd.bytes[8] = 8; 1960 cmd.bytes[9] = 8 | (0 << 6); 1961 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1962 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1963 if (error) 1964 return (error); 1965 a->lrpcs.type = (bf[4] >> 6) & 3; 1966 a->lrpcs.vra = (bf[4] >> 3) & 7; 1967 a->lrpcs.ucca = (bf[4]) & 7; 1968 a->lrpcs.region_mask = bf[5]; 1969 a->lrpcs.rpc_scheme = bf[6]; 1970 return (0); 1971 1972 case DVD_HOST_SEND_RPC_STATE: 1973 cmd.opcode = GPCMD_SEND_KEY; 1974 cmd.bytes[8] = 8; 1975 cmd.bytes[9] = 6 | (0 << 6); 1976 bf[1] = 6; 1977 bf[4] = a->hrpcs.pdrc; 1978 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1979 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1980 if (error) 1981 return (error); 1982 return (0); 1983 1984 default: 1985 return (ENOTTY); 1986 } 1987 } 1988 1989 static int 1990 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 1991 { 1992 struct scsipi_generic cmd; 1993 u_int8_t bf[4 + 4 * 20], *bufp; 1994 int error; 1995 struct dvd_layer *layer; 1996 int i; 1997 1998 memset(cmd.bytes, 0, 15); 1999 memset(bf, 0, sizeof(bf)); 2000 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2001 cmd.bytes[6] = s->type; 2002 _lto2b(sizeof(bf), &cmd.bytes[7]); 2003 2004 cmd.bytes[5] = s->physical.layer_num; 2005 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2006 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2007 if (error) 2008 return (error); 2009 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2010 i++, bufp += 20, layer++) { 2011 memset(layer, 0, sizeof(*layer)); 2012 layer->book_version = bufp[0] & 0xf; 2013 layer->book_type = bufp[0] >> 4; 2014 layer->min_rate = bufp[1] & 0xf; 2015 layer->disc_size = bufp[1] >> 4; 2016 layer->layer_type = bufp[2] & 0xf; 2017 layer->track_path = (bufp[2] >> 4) & 1; 2018 layer->nlayers = (bufp[2] >> 5) & 3; 2019 layer->track_density = bufp[3] & 0xf; 2020 layer->linear_density = bufp[3] >> 4; 2021 layer->start_sector = _4btol(&bufp[4]); 2022 layer->end_sector = _4btol(&bufp[8]); 2023 layer->end_sector_l0 = _4btol(&bufp[12]); 2024 layer->bca = bufp[16] >> 7; 2025 } 2026 return (0); 2027 } 2028 2029 static int 2030 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2031 { 2032 struct scsipi_generic cmd; 2033 u_int8_t bf[8]; 2034 int error; 2035 2036 memset(cmd.bytes, 0, 15); 2037 memset(bf, 0, sizeof(bf)); 2038 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2039 cmd.bytes[6] = s->type; 2040 _lto2b(sizeof(bf), &cmd.bytes[7]); 2041 2042 cmd.bytes[5] = s->copyright.layer_num; 2043 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2044 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2045 if (error) 2046 return (error); 2047 s->copyright.cpst = bf[4]; 2048 s->copyright.rmi = bf[5]; 2049 return (0); 2050 } 2051 2052 static int 2053 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2054 { 2055 struct scsipi_generic cmd; 2056 u_int8_t *bf; 2057 int error; 2058 2059 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2060 if (bf == NULL) 2061 return EIO; 2062 memset(cmd.bytes, 0, 15); 2063 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2064 cmd.bytes[6] = s->type; 2065 _lto2b(4 + 2048, &cmd.bytes[7]); 2066 2067 cmd.bytes[9] = s->disckey.agid << 6; 2068 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2069 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2070 if (error == 0) 2071 memcpy(s->disckey.value, &bf[4], 2048); 2072 free(bf, M_TEMP); 2073 return error; 2074 } 2075 2076 static int 2077 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2078 { 2079 struct scsipi_generic cmd; 2080 u_int8_t bf[4 + 188]; 2081 int error; 2082 2083 memset(cmd.bytes, 0, 15); 2084 memset(bf, 0, sizeof(bf)); 2085 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2086 cmd.bytes[6] = s->type; 2087 _lto2b(sizeof(bf), &cmd.bytes[7]); 2088 2089 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2090 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2091 if (error) 2092 return (error); 2093 s->bca.len = _2btol(&bf[0]); 2094 if (s->bca.len < 12 || s->bca.len > 188) 2095 return (EIO); 2096 memcpy(s->bca.value, &bf[4], s->bca.len); 2097 return (0); 2098 } 2099 2100 static int 2101 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2102 { 2103 struct scsipi_generic cmd; 2104 u_int8_t *bf; 2105 int error; 2106 2107 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2108 if (bf == NULL) 2109 return (EIO); 2110 memset(cmd.bytes, 0, 15); 2111 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2112 cmd.bytes[6] = s->type; 2113 _lto2b(4 + 2048, &cmd.bytes[7]); 2114 2115 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2116 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2117 if (error == 0) { 2118 s->manufact.len = _2btol(&bf[0]); 2119 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2120 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2121 else 2122 error = EIO; 2123 } 2124 free(bf, M_TEMP); 2125 return error; 2126 } 2127 2128 static int 2129 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2130 { 2131 2132 switch (s->type) { 2133 case DVD_STRUCT_PHYSICAL: 2134 return (dvd_read_physical(cd, s)); 2135 case DVD_STRUCT_COPYRIGHT: 2136 return (dvd_read_copyright(cd, s)); 2137 case DVD_STRUCT_DISCKEY: 2138 return (dvd_read_disckey(cd, s)); 2139 case DVD_STRUCT_BCA: 2140 return (dvd_read_bca(cd, s)); 2141 case DVD_STRUCT_MANUFACT: 2142 return (dvd_read_manufact(cd, s)); 2143 default: 2144 return (EINVAL); 2145 } 2146 } 2147 2148 static int 2149 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2150 int page, int flags, int *big) 2151 { 2152 2153 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2154 *big = 1; 2155 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2156 size + sizeof(struct scsi_mode_parameter_header_10), 2157 flags, CDRETRIES, 20000); 2158 } else { 2159 *big = 0; 2160 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2161 size + sizeof(struct scsi_mode_parameter_header_6), 2162 flags, CDRETRIES, 20000); 2163 } 2164 } 2165 2166 static int 2167 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2168 int flags, int big) 2169 { 2170 2171 if (big) { 2172 struct scsi_mode_parameter_header_10 *header = sense; 2173 2174 _lto2b(0, header->data_length); 2175 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2176 size + sizeof(struct scsi_mode_parameter_header_10), 2177 flags, CDRETRIES, 20000); 2178 } else { 2179 struct scsi_mode_parameter_header_6 *header = sense; 2180 2181 header->data_length = 0; 2182 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2183 size + sizeof(struct scsi_mode_parameter_header_6), 2184 flags, CDRETRIES, 20000); 2185 } 2186 } 2187 2188 static int 2189 cd_set_pa_immed(struct cd_softc *cd, int flags) 2190 { 2191 struct { 2192 union { 2193 struct scsi_mode_parameter_header_6 small; 2194 struct scsi_mode_parameter_header_10 big; 2195 } header; 2196 struct cd_audio_page page; 2197 } data; 2198 int error; 2199 uint8_t oflags; 2200 int big, byte2; 2201 struct cd_audio_page *page; 2202 2203 byte2 = SMS_DBD; 2204 try_again: 2205 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2206 AUDIO_PAGE, flags, &big)) != 0) { 2207 if (byte2 == SMS_DBD) { 2208 /* Device may not understand DBD; retry without */ 2209 byte2 = 0; 2210 goto try_again; 2211 } 2212 return (error); 2213 } 2214 2215 if (big) 2216 page = (void *)((u_long)&data.header.big + 2217 sizeof data.header.big + 2218 _2btol(data.header.big.blk_desc_len)); 2219 else 2220 page = (void *)((u_long)&data.header.small + 2221 sizeof data.header.small + 2222 data.header.small.blk_desc_len); 2223 2224 oflags = page->flags; 2225 page->flags &= ~CD_PA_SOTC; 2226 page->flags |= CD_PA_IMMED; 2227 if (oflags == page->flags) 2228 return (0); 2229 2230 return (cd_mode_select(cd, SMS_PF, &data, 2231 sizeof(struct scsi_mode_page_header) + page->pg_length, 2232 flags, big)); 2233 } 2234 2235 static int 2236 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2237 { 2238 struct { 2239 union { 2240 struct scsi_mode_parameter_header_6 small; 2241 struct scsi_mode_parameter_header_10 big; 2242 } header; 2243 struct cd_audio_page page; 2244 } data; 2245 int error; 2246 int big, byte2; 2247 struct cd_audio_page *page; 2248 2249 byte2 = SMS_DBD; 2250 try_again: 2251 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2252 AUDIO_PAGE, flags, &big)) != 0) { 2253 if (byte2 == SMS_DBD) { 2254 /* Device may not understand DBD; retry without */ 2255 byte2 = 0; 2256 goto try_again; 2257 } 2258 return (error); 2259 } 2260 2261 if (big) 2262 page = (void *)((u_long)&data.header.big + 2263 sizeof data.header.big + 2264 _2btol(data.header.big.blk_desc_len)); 2265 else 2266 page = (void *)((u_long)&data.header.small + 2267 sizeof data.header.small + 2268 data.header.small.blk_desc_len); 2269 2270 page->port[0].channels = p0; 2271 page->port[1].channels = p1; 2272 page->port[2].channels = p2; 2273 page->port[3].channels = p3; 2274 2275 return (cd_mode_select(cd, SMS_PF, &data, 2276 sizeof(struct scsi_mode_page_header) + page->pg_length, 2277 flags, big)); 2278 } 2279 2280 static int 2281 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2282 { 2283 struct { 2284 union { 2285 struct scsi_mode_parameter_header_6 small; 2286 struct scsi_mode_parameter_header_10 big; 2287 } header; 2288 struct cd_audio_page page; 2289 } data; 2290 int error; 2291 int big, byte2; 2292 struct cd_audio_page *page; 2293 2294 byte2 = SMS_DBD; 2295 try_again: 2296 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2297 AUDIO_PAGE, flags, &big)) != 0) { 2298 if (byte2 == SMS_DBD) { 2299 /* Device may not understand DBD; retry without */ 2300 byte2 = 0; 2301 goto try_again; 2302 } 2303 return (error); 2304 } 2305 2306 if (big) 2307 page = (void *)((u_long)&data.header.big + 2308 sizeof data.header.big + 2309 _2btol(data.header.big.blk_desc_len)); 2310 else 2311 page = (void *)((u_long)&data.header.small + 2312 sizeof data.header.small + 2313 data.header.small.blk_desc_len); 2314 2315 arg->vol[0] = page->port[0].volume; 2316 arg->vol[1] = page->port[1].volume; 2317 arg->vol[2] = page->port[2].volume; 2318 arg->vol[3] = page->port[3].volume; 2319 2320 return (0); 2321 } 2322 2323 static int 2324 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2325 { 2326 struct { 2327 union { 2328 struct scsi_mode_parameter_header_6 small; 2329 struct scsi_mode_parameter_header_10 big; 2330 } header; 2331 struct cd_audio_page page; 2332 } data, mask; 2333 int error; 2334 int big, byte2; 2335 struct cd_audio_page *page, *page2; 2336 2337 byte2 = SMS_DBD; 2338 try_again: 2339 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2340 AUDIO_PAGE, flags, &big)) != 0) { 2341 if (byte2 == SMS_DBD) { 2342 /* Device may not understand DBD; retry without */ 2343 byte2 = 0; 2344 goto try_again; 2345 } 2346 return (error); 2347 } 2348 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2349 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2350 return (error); 2351 2352 if (big) { 2353 page = (void *)((u_long)&data.header.big + 2354 sizeof data.header.big + 2355 _2btol(data.header.big.blk_desc_len)); 2356 page2 = (void *)((u_long)&mask.header.big + 2357 sizeof mask.header.big + 2358 _2btol(mask.header.big.blk_desc_len)); 2359 } else { 2360 page = (void *)((u_long)&data.header.small + 2361 sizeof data.header.small + 2362 data.header.small.blk_desc_len); 2363 page2 = (void *)((u_long)&mask.header.small + 2364 sizeof mask.header.small + 2365 mask.header.small.blk_desc_len); 2366 } 2367 2368 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2369 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2370 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2371 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2372 2373 page->port[0].channels = CHANNEL_0; 2374 page->port[1].channels = CHANNEL_1; 2375 2376 return (cd_mode_select(cd, SMS_PF, &data, 2377 sizeof(struct scsi_mode_page_header) + page->pg_length, 2378 flags, big)); 2379 } 2380 2381 static int 2382 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2383 { 2384 struct scsipi_load_unload cmd; 2385 2386 memset(&cmd, 0, sizeof(cmd)); 2387 cmd.opcode = LOAD_UNLOAD; 2388 cmd.options = args->options; /* ioctl uses MMC values */ 2389 cmd.slot = args->slot; 2390 2391 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2392 CDRETRIES, 200000, NULL, 0)); 2393 } 2394 2395 static int 2396 cd_setblksize(struct cd_softc *cd) 2397 { 2398 struct { 2399 union { 2400 struct scsi_mode_parameter_header_6 small; 2401 struct scsi_mode_parameter_header_10 big; 2402 } header; 2403 struct scsi_general_block_descriptor blk_desc; 2404 } data; 2405 int error; 2406 int big, bsize; 2407 struct scsi_general_block_descriptor *bdesc; 2408 2409 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2410 &big)) != 0) 2411 return (error); 2412 2413 if (big) { 2414 bdesc = (void *)(&data.header.big + 1); 2415 bsize = _2btol(data.header.big.blk_desc_len); 2416 } else { 2417 bdesc = (void *)(&data.header.small + 1); 2418 bsize = data.header.small.blk_desc_len; 2419 } 2420 2421 if (bsize == 0) { 2422 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2423 2424 return (EINVAL); 2425 } 2426 if (_3btol(bdesc->blklen) == 2048) { 2427 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2428 return (EINVAL); 2429 } 2430 2431 _lto3b(2048, bdesc->blklen); 2432 2433 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2434 big)); 2435 } 2436 2437 2438 static int 2439 mmc_profile2class(uint16_t mmc_profile) 2440 { 2441 switch (mmc_profile) { 2442 case 0x01 : /* SCSI discs */ 2443 case 0x02 : 2444 /* this can't happen really, cd.c wouldn't have matched */ 2445 return MMC_CLASS_DISC; 2446 case 0x03 : /* Magneto Optical with sector erase */ 2447 case 0x04 : /* Magneto Optical write once */ 2448 case 0x05 : /* Advance Storage Magneto Optical */ 2449 return MMC_CLASS_MO; 2450 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2451 case 0x08 : /* CD-ROM */ 2452 case 0x09 : /* CD-R */ 2453 case 0x0a : /* CD-RW */ 2454 return MMC_CLASS_CD; 2455 case 0x10 : /* DVD-ROM */ 2456 case 0x11 : /* DVD-R */ 2457 case 0x12 : /* DVD-RAM */ 2458 case 0x13 : /* DVD-RW restricted overwrite */ 2459 case 0x14 : /* DVD-RW sequential */ 2460 case 0x1a : /* DVD+RW */ 2461 case 0x1b : /* DVD+R */ 2462 case 0x2a : /* DVD+RW Dual layer */ 2463 case 0x2b : /* DVD+R Dual layer */ 2464 case 0x50 : /* HD DVD-ROM */ 2465 case 0x51 : /* HD DVD-R */ 2466 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2467 return MMC_CLASS_DVD; 2468 case 0x40 : /* BD-ROM */ 2469 case 0x41 : /* BD-R Sequential recording (SRM) */ 2470 case 0x42 : /* BD-R Random Recording (RRM) */ 2471 case 0x43 : /* BD-RE */ 2472 return MMC_CLASS_BD; 2473 } 2474 return MMC_CLASS_UNKN; 2475 } 2476 2477 2478 /* 2479 * Drive/media combination is reflected in a series of features that can 2480 * either be current or dormant. We try to make sense out of them to create a 2481 * set of easy to use flags that abstract the device/media capabilities. 2482 */ 2483 2484 static void 2485 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2486 uint16_t feature, int cur, uint8_t *rpos) 2487 { 2488 uint32_t blockingnr; 2489 uint64_t flags; 2490 2491 if (cur == 1) { 2492 flags = mmc_discinfo->mmc_cur; 2493 } else { 2494 flags = mmc_discinfo->mmc_cap; 2495 } 2496 2497 switch (feature) { 2498 case 0x0010 : /* random readable feature */ 2499 blockingnr = rpos[5] | (rpos[4] << 8); 2500 if (blockingnr > 1) 2501 flags |= MMC_CAP_PACKET; 2502 2503 /* RW error page */ 2504 break; 2505 case 0x0020 : /* random writable feature */ 2506 flags |= MMC_CAP_RECORDABLE; 2507 flags |= MMC_CAP_REWRITABLE; 2508 blockingnr = rpos[9] | (rpos[8] << 8); 2509 if (blockingnr > 1) 2510 flags |= MMC_CAP_PACKET; 2511 break; 2512 case 0x0021 : /* incremental streaming write feature */ 2513 flags |= MMC_CAP_RECORDABLE; 2514 flags |= MMC_CAP_SEQUENTIAL; 2515 if (cur) 2516 mmc_discinfo->link_block_penalty = rpos[4]; 2517 if (rpos[2] & 1) 2518 flags |= MMC_CAP_ZEROLINKBLK; 2519 break; 2520 case 0x0022 : /* (obsolete) erase support feature */ 2521 flags |= MMC_CAP_RECORDABLE; 2522 flags |= MMC_CAP_ERASABLE; 2523 break; 2524 case 0x0023 : /* formatting media support feature */ 2525 flags |= MMC_CAP_RECORDABLE; 2526 flags |= MMC_CAP_FORMATTABLE; 2527 break; 2528 case 0x0024 : /* hardware assisted defect management feature */ 2529 flags |= MMC_CAP_HW_DEFECTFREE; 2530 break; 2531 case 0x0025 : /* write once */ 2532 flags |= MMC_CAP_RECORDABLE; 2533 break; 2534 case 0x0026 : /* restricted overwrite feature */ 2535 flags |= MMC_CAP_RECORDABLE; 2536 flags |= MMC_CAP_REWRITABLE; 2537 flags |= MMC_CAP_STRICTOVERWRITE; 2538 break; 2539 case 0x0028 : /* MRW formatted media support feature */ 2540 flags |= MMC_CAP_MRW; 2541 break; 2542 case 0x002b : /* DVD+R read (and opt. write) support */ 2543 flags |= MMC_CAP_SEQUENTIAL; 2544 if (rpos[0] & 1) /* write support */ 2545 flags |= MMC_CAP_RECORDABLE; 2546 break; 2547 case 0x002c : /* rigid restricted overwrite feature */ 2548 flags |= MMC_CAP_RECORDABLE; 2549 flags |= MMC_CAP_REWRITABLE; 2550 flags |= MMC_CAP_STRICTOVERWRITE; 2551 if (rpos[0] & 1) /* blank bit */ 2552 flags |= MMC_CAP_BLANKABLE; 2553 break; 2554 case 0x002d : /* track at once recording feature */ 2555 flags |= MMC_CAP_RECORDABLE; 2556 flags |= MMC_CAP_SEQUENTIAL; 2557 break; 2558 case 0x002f : /* DVD-R/-RW write feature */ 2559 flags |= MMC_CAP_RECORDABLE; 2560 if (rpos[0] & 2) /* DVD-RW bit */ 2561 flags |= MMC_CAP_BLANKABLE; 2562 break; 2563 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2564 flags |= MMC_CAP_PSEUDOOVERWRITE; 2565 break; 2566 default : 2567 /* ignore */ 2568 break; 2569 } 2570 2571 if (cur == 1) { 2572 mmc_discinfo->mmc_cur = flags; 2573 } else { 2574 mmc_discinfo->mmc_cap = flags; 2575 } 2576 } 2577 2578 static int 2579 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2580 struct mmc_discinfo *mmc_discinfo) 2581 { 2582 struct scsipi_read_toc gtoc_cmd; 2583 struct scsipi_toc_header *toc_hdr; 2584 struct scsipi_toc_msinfo *toc_msinfo; 2585 const uint32_t buffer_size = 1024; 2586 uint32_t req_size; 2587 uint8_t *buffer; 2588 int error, flags; 2589 2590 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2591 /* 2592 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2593 * care' but others might be of interest to programs. 2594 */ 2595 2596 mmc_discinfo->disc_state = MMC_STATE_FULL; 2597 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2598 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2599 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2600 2601 /* get number of sessions and first tracknr in last session */ 2602 flags = XS_CTL_DATA_IN; 2603 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2604 gtoc_cmd.opcode = READ_TOC; 2605 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2606 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2607 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2608 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2609 _lto2b(req_size, gtoc_cmd.data_len); 2610 2611 error = scsipi_command(periph, 2612 (void *)>oc_cmd, sizeof(gtoc_cmd), 2613 (void *)buffer, req_size, 2614 CDRETRIES, 30000, NULL, flags); 2615 if (error) 2616 goto out; 2617 toc_hdr = (struct scsipi_toc_header *) buffer; 2618 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2619 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2620 mmc_discinfo->first_track = toc_hdr->first; 2621 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2622 2623 /* get last track of last session */ 2624 flags = XS_CTL_DATA_IN; 2625 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2626 req_size = sizeof(*toc_hdr); 2627 _lto2b(req_size, gtoc_cmd.data_len); 2628 2629 error = scsipi_command(periph, 2630 (void *)>oc_cmd, sizeof(gtoc_cmd), 2631 (void *)buffer, req_size, 2632 CDRETRIES, 30000, NULL, flags); 2633 if (error) 2634 goto out; 2635 toc_hdr = (struct scsipi_toc_header *) buffer; 2636 mmc_discinfo->last_track_last_session = toc_hdr->last; 2637 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2638 2639 /* TODO how to handle disc_barcode and disc_id */ 2640 /* done */ 2641 2642 out: 2643 free(buffer, M_TEMP); 2644 return error; 2645 } 2646 2647 static int 2648 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2649 struct mmc_discinfo *mmc_discinfo) 2650 { 2651 struct scsipi_read_toc gtoc_cmd; 2652 struct scsipi_toc_header toc_hdr; 2653 uint32_t req_size; 2654 int error, flags; 2655 2656 /* 2657 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2658 * care' but others might be of interest to programs. 2659 */ 2660 2661 mmc_discinfo->disc_state = MMC_STATE_FULL; 2662 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2663 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2664 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2665 2666 /* get number of sessions and first tracknr in last session */ 2667 flags = XS_CTL_DATA_IN; 2668 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2669 gtoc_cmd.opcode = READ_TOC; 2670 gtoc_cmd.addr_mode = 0; /* LBA */ 2671 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2672 gtoc_cmd.from_track = 1; /* first track */ 2673 req_size = sizeof(toc_hdr); 2674 _lto2b(req_size, gtoc_cmd.data_len); 2675 2676 error = scsipi_command(periph, 2677 (void *)>oc_cmd, sizeof(gtoc_cmd), 2678 (void *)&toc_hdr, req_size, 2679 CDRETRIES, 30000, NULL, flags); 2680 if (error) 2681 return error; 2682 2683 /* DVD-ROM squashes the track/session space */ 2684 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2685 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2686 mmc_discinfo->first_track = toc_hdr.first; 2687 mmc_discinfo->first_track_last_session = toc_hdr.last; 2688 mmc_discinfo->last_track_last_session = toc_hdr.last; 2689 2690 /* TODO how to handle disc_barcode and disc_id */ 2691 /* done */ 2692 return 0; 2693 } 2694 2695 static int 2696 mmc_getdiscinfo(struct scsipi_periph *periph, 2697 struct mmc_discinfo *mmc_discinfo) 2698 { 2699 struct scsipi_get_configuration gc_cmd; 2700 struct scsipi_get_conf_data *gc; 2701 struct scsipi_get_conf_feature *gcf; 2702 struct scsipi_read_discinfo di_cmd; 2703 struct scsipi_read_discinfo_data di __aligned(2); 2704 const uint32_t buffer_size = 0x200; /* XXX RPZ USB3 SCSI size issue */ 2705 uint32_t pos; 2706 u_long last_lba = 0; 2707 uint8_t *buffer, *fpos; 2708 int feature, last_feature, features_len, feature_cur, feature_len; 2709 int lsb, msb, error, flags; 2710 2711 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2712 2713 /* initialise structure */ 2714 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2715 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2716 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2717 mmc_discinfo->mmc_cur = 0; 2718 mmc_discinfo->mmc_cap = 0; 2719 mmc_discinfo->link_block_penalty = 0; 2720 2721 /* determine mmc profile and class */ 2722 flags = XS_CTL_DATA_IN; 2723 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2724 gc_cmd.opcode = GET_CONFIGURATION; 2725 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2726 2727 gc = (struct scsipi_get_conf_data *) buffer; 2728 2729 error = scsipi_command(periph, 2730 (void *)&gc_cmd, sizeof(gc_cmd), 2731 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2732 CDRETRIES, 30000, NULL, flags); 2733 if (error) 2734 goto out; 2735 2736 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2737 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2738 2739 /* assume 2048 sector size unless told otherwise */ 2740 mmc_discinfo->sector_size = 2048; 2741 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2742 if (error) 2743 goto out; 2744 2745 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 2746 2747 /* Read in all features to determine device capabilities */ 2748 last_feature = feature = 0; 2749 do { 2750 /* determine mmc profile and class */ 2751 flags = XS_CTL_DATA_IN; 2752 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2753 gc_cmd.opcode = GET_CONFIGURATION; 2754 _lto2b(last_feature, gc_cmd.start_at_feature); 2755 _lto2b(buffer_size, gc_cmd.data_len); 2756 memset(gc, 0, buffer_size); 2757 2758 error = scsipi_command(periph, 2759 (void *)&gc_cmd, sizeof(gc_cmd), 2760 (void *) gc, buffer_size, 2761 CDRETRIES, 30000, NULL, flags); 2762 if (error) { 2763 /* ieeek... break out of loop... i dunno what to do */ 2764 break; 2765 } 2766 2767 features_len = _4btol(gc->data_len); 2768 if (features_len < 4 || features_len > buffer_size) 2769 break; 2770 2771 pos = 0; 2772 fpos = &gc->feature_desc[0]; 2773 while (pos < features_len - 4) { 2774 gcf = (struct scsipi_get_conf_feature *) fpos; 2775 2776 feature = _2btol(gcf->featurecode); 2777 feature_cur = gcf->flags & 1; 2778 feature_len = gcf->additional_length; 2779 2780 mmc_process_feature(mmc_discinfo, 2781 feature, feature_cur, 2782 gcf->feature_dependent); 2783 2784 last_feature = MAX(last_feature, feature); 2785 #ifdef DIAGNOSTIC 2786 /* assert((feature_len & 3) == 0); */ 2787 if ((feature_len & 3) != 0) { 2788 printf("feature %d having length %d\n", 2789 feature, feature_len); 2790 } 2791 #endif 2792 2793 pos += 4 + feature_len; 2794 fpos += 4 + feature_len; 2795 } 2796 /* unlikely to ever grow past our 1kb buffer */ 2797 } while (features_len >= 0xffff); 2798 2799 /* 2800 * Fixup CD-RW drives that are on crack. 2801 * 2802 * Some drives report the capability to incrementally write 2803 * sequentially on CD-R(W) media... nice, but this should not be 2804 * active for a fixed packet formatted CD-RW media. Other report the 2805 * ability of HW_DEFECTFREE even when the media is NOT MRW 2806 * formatted.... 2807 */ 2808 if (mmc_discinfo->mmc_profile == 0x0a) { 2809 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 2810 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 2811 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 2812 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2813 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 2814 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2815 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 2816 } else { 2817 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 2818 } 2819 } 2820 if (mmc_discinfo->mmc_profile == 0x09) { 2821 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 2822 } 2823 2824 #ifdef DEBUG 2825 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2826 mmc_discinfo->mmc_profile, 2827 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2828 #endif 2829 2830 /* read in disc state and number of sessions and tracks */ 2831 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2832 memset(&di_cmd, 0, sizeof(di_cmd)); 2833 di_cmd.opcode = READ_DISCINFO; 2834 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2835 2836 error = scsipi_command(periph, 2837 (void *)&di_cmd, sizeof(di_cmd), 2838 (void *)&di, READ_DISCINFO_BIGSIZE, 2839 CDRETRIES, 30000, NULL, flags); 2840 2841 if (error) { 2842 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 2843 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 2844 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 2845 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 2846 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 2847 else /* CD/DVD drive is violating specs */ 2848 error = EIO; 2849 goto out; 2850 } 2851 2852 /* call went OK */ 2853 mmc_discinfo->disc_state = di.disc_state & 3; 2854 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 2855 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 2856 2857 lsb = di.num_sessions_lsb; 2858 msb = di.num_sessions_msb; 2859 mmc_discinfo->num_sessions = lsb | (msb << 8); 2860 2861 mmc_discinfo->first_track = di.first_track; 2862 lsb = di.first_track_last_session_lsb; 2863 msb = di.first_track_last_session_msb; 2864 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 2865 lsb = di.last_track_last_session_lsb; 2866 msb = di.last_track_last_session_msb; 2867 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 2868 2869 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 2870 mmc_discinfo->first_track + 1; 2871 2872 /* set misc. flags and parameters from this disc info */ 2873 if (di.disc_state & 16) 2874 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 2875 2876 if (di.disc_state2 & 128) { 2877 mmc_discinfo->disc_id = _4btol(di.discid); 2878 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 2879 } 2880 if (di.disc_state2 & 64) { 2881 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 2882 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 2883 } 2884 if (di.disc_state2 & 32) 2885 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 2886 2887 if (di.disc_state2 & 16) { 2888 mmc_discinfo->application_code = di.application_code; 2889 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 2890 } 2891 2892 /* done */ 2893 2894 out: 2895 free(buffer, M_TEMP); 2896 return error; 2897 } 2898 2899 static int 2900 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 2901 struct mmc_trackinfo *trackinfo) 2902 { 2903 struct scsipi_read_toc gtoc_cmd; 2904 struct scsipi_toc_header *toc_hdr; 2905 struct scsipi_toc_rawtoc *rawtoc; 2906 uint32_t track_start, track_size; 2907 uint32_t last_recorded, next_writable; 2908 uint32_t lba, next_track_start, lead_out; 2909 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 2910 uint8_t *buffer; 2911 uint8_t track_sessionnr, sessionnr, adr, tno, point; 2912 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 2913 int size, req_size; 2914 int error, flags; 2915 2916 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2917 2918 /* 2919 * Emulate read trackinfo for CD-ROM using the raw-TOC. 2920 * 2921 * Not all information is present and this presents a problem. Track 2922 * starts are known for each track but other values are deducted. 2923 * 2924 * For a complete overview of `magic' values used here, see the 2925 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 2926 * names, they are specified as numbers. 2927 */ 2928 2929 /* get raw toc to process, first header to check size */ 2930 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2931 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2932 gtoc_cmd.opcode = READ_TOC; 2933 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2934 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 2935 gtoc_cmd.from_track = 1; /* first session */ 2936 req_size = sizeof(*toc_hdr); 2937 _lto2b(req_size, gtoc_cmd.data_len); 2938 2939 error = scsipi_command(periph, 2940 (void *)>oc_cmd, sizeof(gtoc_cmd), 2941 (void *)buffer, req_size, 2942 CDRETRIES, 30000, NULL, flags); 2943 if (error) 2944 goto out; 2945 toc_hdr = (struct scsipi_toc_header *) buffer; 2946 if (_2btol(toc_hdr->length) > buffer_size - 2) { 2947 #ifdef DIAGNOSTIC 2948 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 2949 #endif 2950 error = ENOBUFS; 2951 goto out; 2952 } 2953 2954 /* read in complete raw toc */ 2955 req_size = _2btol(toc_hdr->length); 2956 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 2957 _lto2b(req_size, gtoc_cmd.data_len); 2958 2959 error = scsipi_command(periph, 2960 (void *)>oc_cmd, sizeof(gtoc_cmd), 2961 (void *)buffer, req_size, 2962 CDRETRIES, 30000, NULL, flags); 2963 if (error) 2964 goto out; 2965 2966 toc_hdr = (struct scsipi_toc_header *) buffer; 2967 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 2968 2969 track_start = 0; 2970 track_size = 0; 2971 last_recorded = 0; 2972 next_writable = 0; 2973 flags = 0; 2974 2975 next_track_start = 0; 2976 track_sessionnr = MAXTRACK; /* by definition */ 2977 lead_out = 0; 2978 2979 size = req_size - sizeof(struct scsipi_toc_header) + 1; 2980 while (size > 0) { 2981 /* get track start and session end */ 2982 tno = rawtoc->tno; 2983 sessionnr = rawtoc->sessionnr; 2984 adr = rawtoc->adrcontrol >> 4; 2985 control = rawtoc->adrcontrol & 0xf; 2986 point = rawtoc->point; 2987 tmin = rawtoc->min; 2988 tsec = rawtoc->sec; 2989 tframe = rawtoc->frame; 2990 pmin = rawtoc->pmin; 2991 psec = rawtoc->psec; 2992 pframe = rawtoc->pframe; 2993 2994 if (tno == 0 && sessionnr && adr == 1) { 2995 lba = hmsf2lba(0, pmin, psec, pframe); 2996 if (point == trackinfo->tracknr) { 2997 track_start = lba; 2998 track_sessionnr = sessionnr; 2999 } 3000 if (point == trackinfo->tracknr + 1) { 3001 /* estimate size */ 3002 track_size = lba - track_start; 3003 next_track_start = lba; 3004 } 3005 if (point == 0xa2) { 3006 lead_out = lba; 3007 } 3008 if (point <= 0x63) { 3009 /* CD's ok, DVD are glued */ 3010 /* last_tracknr = point; */ 3011 } 3012 if (sessionnr == track_sessionnr) { 3013 last_recorded = lead_out; 3014 } 3015 } 3016 if (tno == 0 && sessionnr && adr == 5) { 3017 lba = hmsf2lba(0, tmin, tsec, tframe); 3018 if (sessionnr == track_sessionnr) { 3019 next_writable = lba; 3020 } 3021 } 3022 3023 if ((control & (3<<2)) == 4) /* 01xxb */ 3024 flags |= MMC_TRACKINFO_DATA; 3025 if ((control & (1<<2)) == 0) { /* x0xxb */ 3026 flags |= MMC_TRACKINFO_AUDIO; 3027 if (control & 1) /* xxx1b */ 3028 flags |= MMC_TRACKINFO_PRE_EMPH; 3029 } 3030 3031 rawtoc++; 3032 size -= sizeof(struct scsipi_toc_rawtoc); 3033 } 3034 3035 /* process found values; some voodoo */ 3036 /* if no tracksize tracknr is the last of the disc */ 3037 if ((track_size == 0) && last_recorded) { 3038 track_size = last_recorded - track_start; 3039 } 3040 /* if last_recorded < tracksize, tracksize is overestimated */ 3041 if (last_recorded) { 3042 if (last_recorded - track_start <= track_size) { 3043 track_size = last_recorded - track_start; 3044 flags |= MMC_TRACKINFO_LRA_VALID; 3045 } 3046 } 3047 /* check if its a the last track of the sector */ 3048 if (next_writable) { 3049 if (next_track_start > next_writable) 3050 flags |= MMC_TRACKINFO_NWA_VALID; 3051 } 3052 3053 /* no flag set -> no values */ 3054 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3055 last_recorded = 0; 3056 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3057 next_writable = 0; 3058 3059 /* fill in */ 3060 /* trackinfo->tracknr preserved */ 3061 trackinfo->sessionnr = track_sessionnr; 3062 trackinfo->track_mode = 7; /* data, incremental */ 3063 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3064 3065 trackinfo->flags = flags; 3066 trackinfo->track_start = track_start; 3067 trackinfo->next_writable = next_writable; 3068 trackinfo->free_blocks = 0; 3069 trackinfo->packet_size = 1; 3070 trackinfo->track_size = track_size; 3071 trackinfo->last_recorded = last_recorded; 3072 3073 out: 3074 free(buffer, M_TEMP); 3075 return error; 3076 3077 } 3078 3079 static int 3080 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3081 struct mmc_trackinfo *trackinfo) 3082 { 3083 struct scsipi_read_toc gtoc_cmd; 3084 struct scsipi_toc_header *toc_hdr; 3085 struct scsipi_toc_formatted *toc; 3086 uint32_t tracknr, track_start, track_size; 3087 uint32_t lba, lead_out; 3088 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3089 uint8_t *buffer; 3090 uint8_t control, last_tracknr; 3091 int size, req_size; 3092 int error, flags; 3093 3094 3095 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3096 /* 3097 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3098 * CD-ROM emulation uses since the specification tells us that no such 3099 * thing is defined for DVD's. The reason for this is due to the large 3100 * number of tracks and that would clash with the `magic' values. This 3101 * suxs. 3102 * 3103 * Not all information is present and this presents a problem. 3104 * Track starts are known for each track but other values are 3105 * deducted. 3106 */ 3107 3108 /* get formatted toc to process, first header to check size */ 3109 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3110 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3111 gtoc_cmd.opcode = READ_TOC; 3112 gtoc_cmd.addr_mode = 0; /* lba's please */ 3113 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3114 gtoc_cmd.from_track = 1; /* first track */ 3115 req_size = sizeof(*toc_hdr); 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 toc_hdr = (struct scsipi_toc_header *) buffer; 3125 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3126 #ifdef DIAGNOSTIC 3127 printf("increase buffersize in mmc_readtrackinfo_dvdrom\n"); 3128 #endif 3129 error = ENOBUFS; 3130 goto out; 3131 } 3132 3133 /* read in complete formatted toc */ 3134 req_size = _2btol(toc_hdr->length); 3135 _lto2b(req_size, gtoc_cmd.data_len); 3136 3137 error = scsipi_command(periph, 3138 (void *)>oc_cmd, sizeof(gtoc_cmd), 3139 (void *)buffer, req_size, 3140 CDRETRIES, 30000, NULL, flags); 3141 if (error) 3142 goto out; 3143 3144 toc_hdr = (struct scsipi_toc_header *) buffer; 3145 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3146 3147 /* as in read disc info, all sessions are converted to tracks */ 3148 /* track 1.. -> offsets, sizes can be (roughly) estimated (16 ECC) */ 3149 /* last track -> we got the size from the lead-out */ 3150 3151 tracknr = 0; 3152 last_tracknr = toc_hdr->last; 3153 track_start = 0; 3154 track_size = 0; 3155 lead_out = 0; 3156 flags = 0; 3157 3158 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3159 while (size > 0) { 3160 /* remember, DVD-ROM: tracknr == sessionnr */ 3161 lba = _4btol(toc->msf_lba); 3162 tracknr = toc->tracknr; 3163 control = toc->adrcontrol & 0xf; 3164 3165 if (trackinfo->tracknr == tracknr) { 3166 track_start = lba; 3167 } 3168 if (trackinfo->tracknr == tracknr+1) { 3169 track_size = lba - track_start; 3170 track_size -= 16; /* link block ? */ 3171 } 3172 if (tracknr == 0xAA) { 3173 lead_out = lba; 3174 } 3175 3176 if ((control & (3<<2)) == 4) /* 01xxb */ 3177 flags |= MMC_TRACKINFO_DATA; 3178 if ((control & (1<<2)) == 0) { /* x0xxb */ 3179 flags |= MMC_TRACKINFO_AUDIO; 3180 if (control & (1<<3)) /* 10xxb */ 3181 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3182 if (control & 1) /* xxx1b */ 3183 flags |= MMC_TRACKINFO_PRE_EMPH; 3184 } 3185 3186 toc++; 3187 size -= sizeof(struct scsipi_toc_formatted); 3188 } 3189 if (trackinfo->tracknr == last_tracknr) { 3190 track_size = lead_out - track_start; 3191 } 3192 3193 /* fill in */ 3194 /* trackinfo->tracknr preserved */ 3195 trackinfo->sessionnr = trackinfo->tracknr; 3196 trackinfo->track_mode = 0; /* unknown */ 3197 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3198 3199 trackinfo->flags = flags; 3200 trackinfo->track_start = track_start; 3201 trackinfo->next_writable = 0; 3202 trackinfo->free_blocks = 0; 3203 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3204 trackinfo->track_size = track_size; 3205 trackinfo->last_recorded = 0; 3206 3207 out: 3208 free(buffer, M_TEMP); 3209 return error; 3210 } 3211 3212 static int 3213 mmc_gettrackinfo(struct scsipi_periph *periph, 3214 struct mmc_trackinfo *trackinfo) 3215 { 3216 struct scsipi_read_trackinfo ti_cmd; 3217 struct scsipi_read_trackinfo_data ti __aligned(2); 3218 struct scsipi_get_configuration gc_cmd; 3219 struct scsipi_get_conf_data gc __aligned(2); 3220 int error, flags; 3221 int mmc_profile; 3222 3223 /* set up SCSI call with track number from trackinfo.tracknr */ 3224 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3225 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3226 ti_cmd.opcode = READ_TRACKINFO; 3227 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3228 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3229 3230 /* trackinfo.tracknr contains number of tracks to query */ 3231 _lto4b(trackinfo->tracknr, ti_cmd.address); 3232 error = scsipi_command(periph, 3233 (void *)&ti_cmd, sizeof(ti_cmd), 3234 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3235 CDRETRIES, 30000, NULL, flags); 3236 3237 if (error) { 3238 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3239 /* first determine mmc profile */ 3240 flags = XS_CTL_DATA_IN; 3241 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3242 gc_cmd.opcode = GET_CONFIGURATION; 3243 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3244 3245 error = scsipi_command(periph, 3246 (void *)&gc_cmd, sizeof(gc_cmd), 3247 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3248 CDRETRIES, 30000, NULL, flags); 3249 if (error) 3250 return error; 3251 mmc_profile = _2btol(gc.mmc_profile); 3252 3253 /* choose emulation */ 3254 if (mmc_profile == 0x08) /* CD-ROM */ 3255 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3256 if (mmc_profile == 0x10) /* DVD-ROM */ 3257 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3258 /* CD/DVD drive is violating specs */ 3259 return EIO; 3260 } 3261 3262 /* (re)initialise structure */ 3263 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3264 3265 /* account for short returns screwing up track and session msb */ 3266 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3267 ti.track_msb = 0; 3268 ti.session_msb = 0; 3269 } 3270 3271 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3272 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3273 trackinfo->track_mode = ti.track_info_1 & 0xf; 3274 trackinfo->data_mode = ti.track_info_2 & 0xf; 3275 3276 flags = 0; 3277 if (ti.track_info_1 & 0x10) 3278 flags |= MMC_TRACKINFO_COPY; 3279 if (ti.track_info_1 & 0x20) 3280 flags |= MMC_TRACKINFO_DAMAGED; 3281 if (ti.track_info_2 & 0x10) 3282 flags |= MMC_TRACKINFO_FIXED_PACKET; 3283 if (ti.track_info_2 & 0x20) 3284 flags |= MMC_TRACKINFO_INCREMENTAL; 3285 if (ti.track_info_2 & 0x40) 3286 flags |= MMC_TRACKINFO_BLANK; 3287 if (ti.track_info_2 & 0x80) 3288 flags |= MMC_TRACKINFO_RESERVED; 3289 if (ti.data_valid & 0x01) 3290 flags |= MMC_TRACKINFO_NWA_VALID; 3291 if (ti.data_valid & 0x02) 3292 flags |= MMC_TRACKINFO_LRA_VALID; 3293 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3294 flags |= MMC_TRACKINFO_DATA; 3295 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3296 flags |= MMC_TRACKINFO_AUDIO; 3297 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3298 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3299 if (trackinfo->track_mode & 1) /* xxx1b */ 3300 flags |= MMC_TRACKINFO_PRE_EMPH; 3301 } 3302 3303 trackinfo->flags = flags; 3304 trackinfo->track_start = _4btol(ti.track_start); 3305 trackinfo->next_writable = _4btol(ti.next_writable); 3306 trackinfo->free_blocks = _4btol(ti.free_blocks); 3307 trackinfo->packet_size = _4btol(ti.packet_size); 3308 trackinfo->track_size = _4btol(ti.track_size); 3309 trackinfo->last_recorded = _4btol(ti.last_recorded); 3310 3311 return 0; 3312 } 3313 3314 static int 3315 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3316 struct scsipi_close_tracksession close_cmd; 3317 int error, flags; 3318 3319 /* set up SCSI call with track number */ 3320 flags = XS_CTL_DATA_OUT; 3321 memset(&close_cmd, 0, sizeof(close_cmd)); 3322 close_cmd.opcode = CLOSE_TRACKSESSION; 3323 close_cmd.function = func; 3324 _lto2b(param, close_cmd.tracksessionnr); 3325 3326 error = scsipi_command(periph, 3327 (void *) &close_cmd, sizeof(close_cmd), 3328 NULL, 0, 3329 CDRETRIES, 120000, NULL, flags); 3330 3331 return error; 3332 } 3333 3334 static int 3335 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3336 { 3337 int mmc_profile = mmc_op->mmc_profile; 3338 3339 switch (mmc_profile) { 3340 case 0x12 : /* DVD-RAM */ 3341 case 0x1a : /* DVD+RW */ 3342 case 0x2a : /* DVD+RW Dual layer */ 3343 case 0x42 : /* BD-R Random Recording (RRM) */ 3344 case 0x43 : /* BD-RE */ 3345 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3346 return EINVAL; 3347 } 3348 3349 return mmc_doclose(periph, mmc_op->tracknr, 1); 3350 } 3351 3352 static int 3353 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3354 { 3355 uint8_t blob[MS5LEN], *page5; 3356 int mmc_profile = mmc_op->mmc_profile; 3357 int func, close, flags; 3358 int error; 3359 3360 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3361 3362 switch (mmc_profile) { 3363 case 0x09 : /* CD-R */ 3364 case 0x0a : /* CD-RW */ 3365 /* Special case : need to update MS field in mode page 5 */ 3366 memset(blob, 0, sizeof(blob)); 3367 page5 = blob+8; 3368 3369 flags = XS_CTL_DATA_IN; 3370 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3371 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3372 if (error) 3373 return error; 3374 3375 /* set multi session field when closing a session only */ 3376 page5[3] &= 63; 3377 if (close) 3378 page5[3] |= 3 << 6; 3379 3380 flags = XS_CTL_DATA_OUT; 3381 error = scsipi_mode_select_big(periph, SMS_PF, 3382 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3383 if (error) 3384 return error; 3385 /* and use function 2 */ 3386 func = 2; 3387 break; 3388 case 0x11 : /* DVD-R (DL) */ 3389 case 0x13 : /* DVD-RW restricted overwrite */ 3390 case 0x14 : /* DVD-RW sequential */ 3391 func = close ? 2 : 3; 3392 break; 3393 case 0x1b : /* DVD+R */ 3394 case 0x2b : /* DVD+R Dual layer */ 3395 case 0x51 : /* HD DVD-R */ 3396 case 0x41 : /* BD-R Sequential recording (SRM) */ 3397 func = close ? 2 : 6; 3398 break; 3399 case 0x12 : /* DVD-RAM */ 3400 case 0x1a : /* DVD+RW */ 3401 case 0x2a : /* DVD+RW Dual layer */ 3402 case 0x42 : /* BD-R Random Recording (RRM) */ 3403 case 0x43 : /* BD-RE */ 3404 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3405 return EINVAL; 3406 default: 3407 printf("MMC close/finalise passed wrong device type! (%d)\n", 3408 mmc_profile); 3409 return EINVAL; 3410 } 3411 3412 return mmc_doclose(periph, mmc_op->sessionnr, func); 3413 } 3414 3415 static int 3416 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3417 { 3418 struct scsipi_reserve_track reserve_cmd; 3419 uint32_t extent; 3420 int error, flags; 3421 3422 /* TODO make mmc safeguards? */ 3423 extent = mmc_op->extent; 3424 /* TODO min/max support? */ 3425 3426 /* set up SCSI call with requested space */ 3427 flags = XS_CTL_DATA_OUT; 3428 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3429 reserve_cmd.opcode = RESERVE_TRACK; 3430 _lto4b(extent, reserve_cmd.reservation_size); 3431 3432 error = scsipi_command(periph, 3433 (void *) &reserve_cmd, sizeof(reserve_cmd), 3434 NULL, 0, 3435 CDRETRIES, 30000, NULL, flags); 3436 3437 return error; 3438 } 3439 3440 static int 3441 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3442 { 3443 /* XXX assumes that NWA given is valid */ 3444 switch (mmc_op->mmc_profile) { 3445 case 0x09 : /* CD-R */ 3446 /* XXX unknown boundary checks XXX */ 3447 if (mmc_op->extent <= 152) 3448 return EINVAL; 3449 /* CD-R takes 152 sectors to close track */ 3450 mmc_op->extent -= 152; 3451 return mmc_do_reserve_track(periph, mmc_op); 3452 case 0x11 : /* DVD-R (DL) */ 3453 case 0x1b : /* DVD+R */ 3454 case 0x2b : /* DVD+R Dual layer */ 3455 if (mmc_op->extent % 16) 3456 return EINVAL; 3457 /* upto one ECC block of 16 sectors lost */ 3458 mmc_op->extent -= 16; 3459 return mmc_do_reserve_track(periph, mmc_op); 3460 case 0x41 : /* BD-R Sequential recording (SRM) */ 3461 case 0x51 : /* HD DVD-R */ 3462 if (mmc_op->extent % 32) 3463 return EINVAL; 3464 /* one ECC block of 32 sectors lost (AFAIK) */ 3465 mmc_op->extent -= 32; 3466 return mmc_do_reserve_track(periph, mmc_op); 3467 } 3468 3469 /* unknown behaviour or invalid disc type */ 3470 return EINVAL; 3471 } 3472 3473 static int 3474 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3475 { 3476 struct scsipi_repair_track repair_cmd; 3477 int error, flags; 3478 3479 /* TODO make mmc safeguards? */ 3480 3481 /* set up SCSI call with track number */ 3482 flags = XS_CTL_DATA_OUT; 3483 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3484 repair_cmd.opcode = REPAIR_TRACK; 3485 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3486 3487 error = scsipi_command(periph, 3488 (void *) &repair_cmd, sizeof(repair_cmd), 3489 NULL, 0, 3490 CDRETRIES, 30000, NULL, flags); 3491 3492 return error; 3493 } 3494 3495 static int 3496 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3497 { 3498 /* guard operation value */ 3499 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3500 return EINVAL; 3501 3502 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3503 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3504 return cdcachesync(periph, 0); 3505 3506 /* zero mmc_profile means unknown disc so operations are not defined */ 3507 if (mmc_op->mmc_profile == 0) { 3508 #ifdef DEBUG 3509 printf("mmc_do_op called with mmc_profile = 0\n"); 3510 #endif 3511 return EINVAL; 3512 } 3513 3514 /* do the operations */ 3515 switch (mmc_op->operation) { 3516 case MMC_OP_CLOSETRACK : 3517 return mmc_do_closetrack(periph, mmc_op); 3518 case MMC_OP_CLOSESESSION : 3519 case MMC_OP_FINALISEDISC : 3520 return mmc_do_close_or_finalise(periph, mmc_op); 3521 case MMC_OP_RESERVETRACK : 3522 return mmc_do_reserve_track(periph, mmc_op); 3523 case MMC_OP_RESERVETRACK_NWA : 3524 return mmc_do_reserve_track_nwa(periph, mmc_op); 3525 case MMC_OP_REPAIRTRACK : 3526 return mmc_do_repair_track(periph, mmc_op); 3527 case MMC_OP_UNCLOSELASTSESSION : 3528 /* TODO unclose last session support */ 3529 return EINVAL; 3530 default : 3531 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3532 } 3533 3534 return EINVAL; 3535 } 3536 3537 static int 3538 mmc_setup_writeparams(struct scsipi_periph *periph, 3539 struct mmc_writeparams *mmc_writeparams) 3540 { 3541 struct mmc_trackinfo trackinfo; 3542 uint8_t blob[MS5LEN]; 3543 uint8_t *page5; 3544 int flags, error; 3545 int track_mode, data_mode; 3546 3547 /* setup mode page 5 for CD only */ 3548 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3549 return 0; 3550 3551 memset(blob, 0, sizeof(blob)); 3552 page5 = blob+8; 3553 3554 /* read mode page 5 (with header) */ 3555 flags = XS_CTL_DATA_IN; 3556 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3557 sizeof(blob), flags, CDRETRIES, 20000); 3558 if (error) 3559 return error; 3560 3561 /* set page length for reassurance */ 3562 page5[1] = P5LEN; /* page length */ 3563 3564 /* write type packet/incremental */ 3565 page5[2] &= 0xf0; 3566 3567 /* set specified mode parameters */ 3568 track_mode = mmc_writeparams->track_mode; 3569 data_mode = mmc_writeparams->data_mode; 3570 if (track_mode <= 0 || track_mode > 15) 3571 return EINVAL; 3572 if (data_mode < 1 || data_mode > 2) 3573 return EINVAL; 3574 3575 /* if a tracknr is passed, setup according to the track */ 3576 if (mmc_writeparams->tracknr > 0) { 3577 trackinfo.tracknr = mmc_writeparams->tracknr; 3578 error = mmc_gettrackinfo(periph, &trackinfo); 3579 if (error) 3580 return error; 3581 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3582 track_mode = trackinfo.track_mode; 3583 data_mode = trackinfo.data_mode; 3584 } 3585 mmc_writeparams->blockingnr = trackinfo.packet_size; 3586 } 3587 3588 /* copy track mode and data mode from trackinfo */ 3589 page5[3] &= 16; /* keep only `Copy' bit */ 3590 page5[3] |= (3 << 6) | track_mode; 3591 page5[4] &= 0xf0; /* wipe data block type */ 3592 if (data_mode == 1) { 3593 /* select ISO mode 1 (CD only) */ 3594 page5[4] |= 8; 3595 /* select session format normal disc (CD only) */ 3596 page5[8] = 0; 3597 } else { 3598 /* select ISO mode 2; XA form 1 (CD only) */ 3599 page5[4] |= 10; 3600 /* select session format CD-ROM XA disc (CD only) */ 3601 page5[8] = 0x20; 3602 } 3603 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3604 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3605 /* set BUFE buffer underrun protection */ 3606 page5[2] |= 1<<6; 3607 } 3608 /* allow for multi session */ 3609 page5[3] |= 3 << 6; 3610 } else { 3611 /* select fixed packets */ 3612 page5[3] |= 1<<5; 3613 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3614 } 3615 3616 /* write out updated mode page 5 (with header) */ 3617 flags = XS_CTL_DATA_OUT; 3618 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3619 sizeof(blob), flags, CDRETRIES, 20000); 3620 if (error) 3621 return error; 3622 3623 return 0; 3624 } 3625 3626 static void 3627 cd_set_geometry(struct cd_softc *cd) 3628 { 3629 struct dk_softc *dksc = &cd->sc_dksc; 3630 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom; 3631 3632 memset(dg, 0, sizeof(*dg)); 3633 3634 dg->dg_secperunit = cd->params.disksize; 3635 dg->dg_secsize = cd->params.blksize; 3636 dg->dg_nsectors = 100; 3637 dg->dg_ntracks = 1; 3638 3639 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL); 3640 } 3641