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sys/dev/scsipi/cd.c
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1 /* $NetBSD: cd.c,v 1.354 2022/06/26 21:00:28 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 1.354 2022/06/26 21:00:28 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 /* recordables have READ_DISCINFO implemented */ 1549 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1550 memset(&di_cmd, 0, sizeof(di_cmd)); 1551 di_cmd.opcode = READ_DISCINFO; 1552 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1553 1554 error = scsipi_command(periph, 1555 (void *) &di_cmd, sizeof(di_cmd), 1556 (void *) &di, READ_DISCINFO_BIGSIZE, 1557 CDRETRIES, 30000, NULL, flags); 1558 if (error == 0) { 1559 msb = di.last_track_last_session_msb; 1560 lsb = di.last_track_last_session_lsb; 1561 last_track = (msb << 8) | lsb; 1562 1563 /* request info on last track */ 1564 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1565 ti_cmd.opcode = READ_TRACKINFO; 1566 ti_cmd.addr_type = 1; /* on tracknr */ 1567 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1568 _lto2b(sizeof(ti), ti_cmd.data_len); 1569 1570 error = scsipi_command(periph, 1571 (void *) &ti_cmd, sizeof(ti_cmd), 1572 (void *) &ti, sizeof(ti), 1573 CDRETRIES, 30000, NULL, flags); 1574 if (error == 0) { 1575 track_start = _4btol(ti.track_start); 1576 track_size = _4btol(ti.track_size); 1577 1578 /* overwrite only with a sane value */ 1579 if (track_start + track_size >= 100) 1580 *last_lba = (u_long) track_start + track_size -1; 1581 } 1582 } 1583 1584 /* sanity check for lba_size */ 1585 if (*last_lba < 100) 1586 *last_lba = 400000-1; 1587 1588 return 0; 1589 } 1590 1591 /* 1592 * Find out from the device what its capacity is 1593 */ 1594 static u_long 1595 cd_size(struct cd_softc *cd, int flags) 1596 { 1597 uint32_t blksize = 2048; 1598 u_long last_lba = 0, size; 1599 int error; 1600 1601 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); 1602 if (error) 1603 goto error; 1604 1605 if (blksize != 2048) { 1606 if (cd_setblksize(cd) == 0) { 1607 blksize = 2048; 1608 error = read_cd_capacity(cd->sc_periph, 1609 &blksize, &last_lba); 1610 if (error) 1611 goto error; 1612 } 1613 } 1614 1615 size = last_lba + 1; 1616 cd->params.blksize = blksize; 1617 cd->params.disksize = size; 1618 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1619 1620 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1621 ("cd_size: %u %lu\n", blksize, size)); 1622 1623 return size; 1624 1625 error: 1626 /* something went wrong */ 1627 cd->params.blksize = 2048; 1628 cd->params.disksize = 0; 1629 cd->params.disksize512 = 0; 1630 1631 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); 1632 1633 return 0; 1634 } 1635 1636 /* 1637 * Get scsi driver to send a "start playing" command 1638 */ 1639 static int 1640 cd_play(struct cd_softc *cd, int blkno, int nblks) 1641 { 1642 struct scsipi_play cmd; 1643 1644 memset(&cmd, 0, sizeof(cmd)); 1645 cmd.opcode = PLAY; 1646 _lto4b(blkno, cmd.blk_addr); 1647 _lto2b(nblks, cmd.xfer_len); 1648 1649 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1650 CDRETRIES, 30000, NULL, 0)); 1651 } 1652 1653 /* 1654 * Get scsi driver to send a "start playing" command 1655 */ 1656 static int 1657 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1658 int sindex, int etrack, int eindex) 1659 { 1660 int error; 1661 1662 if (!etrack) 1663 return (EIO); 1664 if (strack > etrack) 1665 return (EINVAL); 1666 1667 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1668 if (error) 1669 return (error); 1670 1671 if (++etrack > (toc->header.ending_track+1)) 1672 etrack = toc->header.ending_track+1; 1673 1674 strack -= toc->header.starting_track; 1675 etrack -= toc->header.starting_track; 1676 if (strack < 0) 1677 return (EINVAL); 1678 1679 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1680 toc->entries[strack].addr.msf.second, 1681 toc->entries[strack].addr.msf.frame, 1682 toc->entries[etrack].addr.msf.minute, 1683 toc->entries[etrack].addr.msf.second, 1684 toc->entries[etrack].addr.msf.frame)); 1685 } 1686 1687 /* 1688 * Get scsi driver to send a "play msf" command 1689 */ 1690 static int 1691 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1692 int ends, int endf) 1693 { 1694 struct scsipi_play_msf cmd; 1695 1696 memset(&cmd, 0, sizeof(cmd)); 1697 cmd.opcode = PLAY_MSF; 1698 cmd.start_m = startm; 1699 cmd.start_s = starts; 1700 cmd.start_f = startf; 1701 cmd.end_m = endm; 1702 cmd.end_s = ends; 1703 cmd.end_f = endf; 1704 1705 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1706 CDRETRIES, 30000, NULL, 0)); 1707 } 1708 1709 /* 1710 * Get scsi driver to send a "start up" command 1711 */ 1712 static int 1713 cd_pause(struct cd_softc *cd, int go) 1714 { 1715 struct scsipi_pause cmd; 1716 1717 memset(&cmd, 0, sizeof(cmd)); 1718 cmd.opcode = PAUSE; 1719 cmd.resume = go & 0xff; 1720 1721 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1722 CDRETRIES, 30000, NULL, 0)); 1723 } 1724 1725 /* 1726 * Get scsi driver to send a "RESET" command 1727 */ 1728 static int 1729 cd_reset(struct cd_softc *cd) 1730 { 1731 1732 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1733 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1734 } 1735 1736 /* 1737 * Read subchannel 1738 */ 1739 static int 1740 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1741 struct cd_sub_channel_info *data, int len, int flags) 1742 { 1743 struct scsipi_read_subchannel cmd; 1744 1745 memset(&cmd, 0, sizeof(cmd)); 1746 cmd.opcode = READ_SUBCHANNEL; 1747 if (mode == CD_MSF_FORMAT) 1748 cmd.byte2 |= CD_MSF; 1749 cmd.byte3 = SRS_SUBQ; 1750 cmd.subchan_format = format; 1751 cmd.track = track; 1752 _lto2b(len, cmd.data_len); 1753 1754 return (scsipi_command(cd->sc_periph, 1755 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1756 (void *)data, len, 1757 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1758 } 1759 1760 /* 1761 * Read table of contents 1762 */ 1763 static int 1764 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1765 struct cd_formatted_toc *toc, int len, int flags, int control) 1766 { 1767 struct scsipi_read_toc cmd; 1768 int ntoc; 1769 1770 memset(&cmd, 0, sizeof(cmd)); 1771 #if 0 1772 if (len != sizeof(struct ioc_toc_header)) 1773 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1774 sizeof(struct cd_toc_entry); 1775 else 1776 #endif 1777 ntoc = len; 1778 cmd.opcode = READ_TOC; 1779 if (mode == CD_MSF_FORMAT) 1780 cmd.addr_mode |= CD_MSF; 1781 cmd.resp_format = respf; 1782 cmd.from_track = start; 1783 _lto2b(ntoc, cmd.data_len); 1784 cmd.control = control; 1785 1786 return (scsipi_command(cd->sc_periph, 1787 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 1788 30000, NULL, flags | XS_CTL_DATA_IN)); 1789 } 1790 1791 static int 1792 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1793 { 1794 int ntracks, len, error; 1795 1796 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1797 flags, 0)) != 0) 1798 return (error); 1799 1800 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1801 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1802 sizeof(toc->header); 1803 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1804 flags, 0)) != 0) 1805 return (error); 1806 return (0); 1807 } 1808 1809 /* 1810 * Get the scsi driver to send a full inquiry to the device and use the 1811 * results to fill out the disk parameter structure. 1812 */ 1813 static int 1814 cd_get_parms(struct cd_softc *cd, int flags) 1815 { 1816 1817 /* 1818 * give a number of sectors so that sec * trks * cyls 1819 * is <= disk_size 1820 */ 1821 if (cd_size(cd, flags) == 0) 1822 return (ENXIO); 1823 return (0); 1824 } 1825 1826 static int 1827 cdsize(dev_t dev) 1828 { 1829 1830 /* CD-ROMs are read-only. */ 1831 return (-1); 1832 } 1833 1834 static int 1835 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1836 { 1837 1838 /* Not implemented. */ 1839 return (ENXIO); 1840 } 1841 1842 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1843 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1844 1845 static int 1846 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 1847 { 1848 struct scsipi_generic cmd; 1849 u_int8_t bf[20]; 1850 int error; 1851 1852 memset(cmd.bytes, 0, 15); 1853 memset(bf, 0, sizeof(bf)); 1854 1855 switch (a->type) { 1856 case DVD_LU_SEND_AGID: 1857 cmd.opcode = GPCMD_REPORT_KEY; 1858 cmd.bytes[8] = 8; 1859 cmd.bytes[9] = 0 | (0 << 6); 1860 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1861 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1862 if (error) 1863 return (error); 1864 a->lsa.agid = bf[7] >> 6; 1865 return (0); 1866 1867 case DVD_LU_SEND_CHALLENGE: 1868 cmd.opcode = GPCMD_REPORT_KEY; 1869 cmd.bytes[8] = 16; 1870 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1871 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1872 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1873 if (error) 1874 return (error); 1875 dvd_copy_challenge(a->lsc.chal, &bf[4]); 1876 return (0); 1877 1878 case DVD_LU_SEND_KEY1: 1879 cmd.opcode = GPCMD_REPORT_KEY; 1880 cmd.bytes[8] = 12; 1881 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 1882 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1883 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1884 if (error) 1885 return (error); 1886 dvd_copy_key(a->lsk.key, &bf[4]); 1887 return (0); 1888 1889 case DVD_LU_SEND_TITLE_KEY: 1890 cmd.opcode = GPCMD_REPORT_KEY; 1891 _lto4b(a->lstk.lba, &cmd.bytes[1]); 1892 cmd.bytes[8] = 12; 1893 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 1894 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1895 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1896 if (error) 1897 return (error); 1898 a->lstk.cpm = (bf[4] >> 7) & 1; 1899 a->lstk.cp_sec = (bf[4] >> 6) & 1; 1900 a->lstk.cgms = (bf[4] >> 4) & 3; 1901 dvd_copy_key(a->lstk.title_key, &bf[5]); 1902 return (0); 1903 1904 case DVD_LU_SEND_ASF: 1905 cmd.opcode = GPCMD_REPORT_KEY; 1906 cmd.bytes[8] = 8; 1907 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 1908 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1909 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1910 if (error) 1911 return (error); 1912 a->lsasf.asf = bf[7] & 1; 1913 return (0); 1914 1915 case DVD_HOST_SEND_CHALLENGE: 1916 cmd.opcode = GPCMD_SEND_KEY; 1917 cmd.bytes[8] = 16; 1918 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 1919 bf[1] = 14; 1920 dvd_copy_challenge(&bf[4], a->hsc.chal); 1921 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1922 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1923 if (error) 1924 return (error); 1925 a->type = DVD_LU_SEND_KEY1; 1926 return (0); 1927 1928 case DVD_HOST_SEND_KEY2: 1929 cmd.opcode = GPCMD_SEND_KEY; 1930 cmd.bytes[8] = 12; 1931 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 1932 bf[1] = 10; 1933 dvd_copy_key(&bf[4], a->hsk.key); 1934 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1935 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1936 if (error) { 1937 a->type = DVD_AUTH_FAILURE; 1938 return (error); 1939 } 1940 a->type = DVD_AUTH_ESTABLISHED; 1941 return (0); 1942 1943 case DVD_INVALIDATE_AGID: 1944 cmd.opcode = GPCMD_REPORT_KEY; 1945 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 1946 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1947 CDRETRIES, 30000, NULL, 0); 1948 if (error) 1949 return (error); 1950 return (0); 1951 1952 case DVD_LU_SEND_RPC_STATE: 1953 cmd.opcode = GPCMD_REPORT_KEY; 1954 cmd.bytes[8] = 8; 1955 cmd.bytes[9] = 8 | (0 << 6); 1956 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1957 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1958 if (error) 1959 return (error); 1960 a->lrpcs.type = (bf[4] >> 6) & 3; 1961 a->lrpcs.vra = (bf[4] >> 3) & 7; 1962 a->lrpcs.ucca = (bf[4]) & 7; 1963 a->lrpcs.region_mask = bf[5]; 1964 a->lrpcs.rpc_scheme = bf[6]; 1965 return (0); 1966 1967 case DVD_HOST_SEND_RPC_STATE: 1968 cmd.opcode = GPCMD_SEND_KEY; 1969 cmd.bytes[8] = 8; 1970 cmd.bytes[9] = 6 | (0 << 6); 1971 bf[1] = 6; 1972 bf[4] = a->hrpcs.pdrc; 1973 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1974 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1975 if (error) 1976 return (error); 1977 return (0); 1978 1979 default: 1980 return (ENOTTY); 1981 } 1982 } 1983 1984 static int 1985 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 1986 { 1987 struct scsipi_generic cmd; 1988 u_int8_t bf[4 + 4 * 20], *bufp; 1989 int error; 1990 struct dvd_layer *layer; 1991 int i; 1992 1993 memset(cmd.bytes, 0, 15); 1994 memset(bf, 0, sizeof(bf)); 1995 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 1996 cmd.bytes[6] = s->type; 1997 _lto2b(sizeof(bf), &cmd.bytes[7]); 1998 1999 cmd.bytes[5] = s->physical.layer_num; 2000 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2001 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2002 if (error) 2003 return (error); 2004 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 2005 i++, bufp += 20, layer++) { 2006 memset(layer, 0, sizeof(*layer)); 2007 layer->book_version = bufp[0] & 0xf; 2008 layer->book_type = bufp[0] >> 4; 2009 layer->min_rate = bufp[1] & 0xf; 2010 layer->disc_size = bufp[1] >> 4; 2011 layer->layer_type = bufp[2] & 0xf; 2012 layer->track_path = (bufp[2] >> 4) & 1; 2013 layer->nlayers = (bufp[2] >> 5) & 3; 2014 layer->track_density = bufp[3] & 0xf; 2015 layer->linear_density = bufp[3] >> 4; 2016 layer->start_sector = _4btol(&bufp[4]); 2017 layer->end_sector = _4btol(&bufp[8]); 2018 layer->end_sector_l0 = _4btol(&bufp[12]); 2019 layer->bca = bufp[16] >> 7; 2020 } 2021 return (0); 2022 } 2023 2024 static int 2025 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2026 { 2027 struct scsipi_generic cmd; 2028 u_int8_t bf[8]; 2029 int error; 2030 2031 memset(cmd.bytes, 0, 15); 2032 memset(bf, 0, sizeof(bf)); 2033 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2034 cmd.bytes[6] = s->type; 2035 _lto2b(sizeof(bf), &cmd.bytes[7]); 2036 2037 cmd.bytes[5] = s->copyright.layer_num; 2038 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2039 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2040 if (error) 2041 return (error); 2042 s->copyright.cpst = bf[4]; 2043 s->copyright.rmi = bf[5]; 2044 return (0); 2045 } 2046 2047 static int 2048 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2049 { 2050 struct scsipi_generic cmd; 2051 u_int8_t *bf; 2052 int error; 2053 2054 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2055 if (bf == NULL) 2056 return EIO; 2057 memset(cmd.bytes, 0, 15); 2058 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2059 cmd.bytes[6] = s->type; 2060 _lto2b(4 + 2048, &cmd.bytes[7]); 2061 2062 cmd.bytes[9] = s->disckey.agid << 6; 2063 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2064 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2065 if (error == 0) 2066 memcpy(s->disckey.value, &bf[4], 2048); 2067 free(bf, M_TEMP); 2068 return error; 2069 } 2070 2071 static int 2072 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2073 { 2074 struct scsipi_generic cmd; 2075 u_int8_t bf[4 + 188]; 2076 int error; 2077 2078 memset(cmd.bytes, 0, 15); 2079 memset(bf, 0, sizeof(bf)); 2080 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2081 cmd.bytes[6] = s->type; 2082 _lto2b(sizeof(bf), &cmd.bytes[7]); 2083 2084 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2085 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2086 if (error) 2087 return (error); 2088 s->bca.len = _2btol(&bf[0]); 2089 if (s->bca.len < 12 || s->bca.len > 188) 2090 return (EIO); 2091 memcpy(s->bca.value, &bf[4], s->bca.len); 2092 return (0); 2093 } 2094 2095 static int 2096 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2097 { 2098 struct scsipi_generic cmd; 2099 u_int8_t *bf; 2100 int error; 2101 2102 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2103 if (bf == NULL) 2104 return (EIO); 2105 memset(cmd.bytes, 0, 15); 2106 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2107 cmd.bytes[6] = s->type; 2108 _lto2b(4 + 2048, &cmd.bytes[7]); 2109 2110 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2111 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2112 if (error == 0) { 2113 s->manufact.len = _2btol(&bf[0]); 2114 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2115 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2116 else 2117 error = EIO; 2118 } 2119 free(bf, M_TEMP); 2120 return error; 2121 } 2122 2123 static int 2124 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2125 { 2126 2127 switch (s->type) { 2128 case DVD_STRUCT_PHYSICAL: 2129 return (dvd_read_physical(cd, s)); 2130 case DVD_STRUCT_COPYRIGHT: 2131 return (dvd_read_copyright(cd, s)); 2132 case DVD_STRUCT_DISCKEY: 2133 return (dvd_read_disckey(cd, s)); 2134 case DVD_STRUCT_BCA: 2135 return (dvd_read_bca(cd, s)); 2136 case DVD_STRUCT_MANUFACT: 2137 return (dvd_read_manufact(cd, s)); 2138 default: 2139 return (EINVAL); 2140 } 2141 } 2142 2143 static int 2144 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2145 int page, int flags, int *big) 2146 { 2147 2148 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2149 *big = 1; 2150 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2151 size + sizeof(struct scsi_mode_parameter_header_10), 2152 flags, CDRETRIES, 20000); 2153 } else { 2154 *big = 0; 2155 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2156 size + sizeof(struct scsi_mode_parameter_header_6), 2157 flags, CDRETRIES, 20000); 2158 } 2159 } 2160 2161 static int 2162 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2163 int flags, int big) 2164 { 2165 2166 if (big) { 2167 struct scsi_mode_parameter_header_10 *header = sense; 2168 2169 _lto2b(0, header->data_length); 2170 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2171 size + sizeof(struct scsi_mode_parameter_header_10), 2172 flags, CDRETRIES, 20000); 2173 } else { 2174 struct scsi_mode_parameter_header_6 *header = sense; 2175 2176 header->data_length = 0; 2177 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2178 size + sizeof(struct scsi_mode_parameter_header_6), 2179 flags, CDRETRIES, 20000); 2180 } 2181 } 2182 2183 static int 2184 cd_set_pa_immed(struct cd_softc *cd, int flags) 2185 { 2186 struct { 2187 union { 2188 struct scsi_mode_parameter_header_6 small; 2189 struct scsi_mode_parameter_header_10 big; 2190 } header; 2191 struct cd_audio_page page; 2192 } data; 2193 int error; 2194 uint8_t oflags; 2195 int big, byte2; 2196 struct cd_audio_page *page; 2197 2198 byte2 = SMS_DBD; 2199 try_again: 2200 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2201 AUDIO_PAGE, flags, &big)) != 0) { 2202 if (byte2 == SMS_DBD) { 2203 /* Device may not understand DBD; retry without */ 2204 byte2 = 0; 2205 goto try_again; 2206 } 2207 return (error); 2208 } 2209 2210 if (big) 2211 page = (void *)((u_long)&data.header.big + 2212 sizeof data.header.big + 2213 _2btol(data.header.big.blk_desc_len)); 2214 else 2215 page = (void *)((u_long)&data.header.small + 2216 sizeof data.header.small + 2217 data.header.small.blk_desc_len); 2218 2219 oflags = page->flags; 2220 page->flags &= ~CD_PA_SOTC; 2221 page->flags |= CD_PA_IMMED; 2222 if (oflags == page->flags) 2223 return (0); 2224 2225 return (cd_mode_select(cd, SMS_PF, &data, 2226 sizeof(struct scsi_mode_page_header) + page->pg_length, 2227 flags, big)); 2228 } 2229 2230 static int 2231 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2232 { 2233 struct { 2234 union { 2235 struct scsi_mode_parameter_header_6 small; 2236 struct scsi_mode_parameter_header_10 big; 2237 } header; 2238 struct cd_audio_page page; 2239 } data; 2240 int error; 2241 int big, byte2; 2242 struct cd_audio_page *page; 2243 2244 byte2 = SMS_DBD; 2245 try_again: 2246 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2247 AUDIO_PAGE, flags, &big)) != 0) { 2248 if (byte2 == SMS_DBD) { 2249 /* Device may not understand DBD; retry without */ 2250 byte2 = 0; 2251 goto try_again; 2252 } 2253 return (error); 2254 } 2255 2256 if (big) 2257 page = (void *)((u_long)&data.header.big + 2258 sizeof data.header.big + 2259 _2btol(data.header.big.blk_desc_len)); 2260 else 2261 page = (void *)((u_long)&data.header.small + 2262 sizeof data.header.small + 2263 data.header.small.blk_desc_len); 2264 2265 page->port[0].channels = p0; 2266 page->port[1].channels = p1; 2267 page->port[2].channels = p2; 2268 page->port[3].channels = p3; 2269 2270 return (cd_mode_select(cd, SMS_PF, &data, 2271 sizeof(struct scsi_mode_page_header) + page->pg_length, 2272 flags, big)); 2273 } 2274 2275 static int 2276 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2277 { 2278 struct { 2279 union { 2280 struct scsi_mode_parameter_header_6 small; 2281 struct scsi_mode_parameter_header_10 big; 2282 } header; 2283 struct cd_audio_page page; 2284 } data; 2285 int error; 2286 int big, byte2; 2287 struct cd_audio_page *page; 2288 2289 byte2 = SMS_DBD; 2290 try_again: 2291 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2292 AUDIO_PAGE, flags, &big)) != 0) { 2293 if (byte2 == SMS_DBD) { 2294 /* Device may not understand DBD; retry without */ 2295 byte2 = 0; 2296 goto try_again; 2297 } 2298 return (error); 2299 } 2300 2301 if (big) 2302 page = (void *)((u_long)&data.header.big + 2303 sizeof data.header.big + 2304 _2btol(data.header.big.blk_desc_len)); 2305 else 2306 page = (void *)((u_long)&data.header.small + 2307 sizeof data.header.small + 2308 data.header.small.blk_desc_len); 2309 2310 arg->vol[0] = page->port[0].volume; 2311 arg->vol[1] = page->port[1].volume; 2312 arg->vol[2] = page->port[2].volume; 2313 arg->vol[3] = page->port[3].volume; 2314 2315 return (0); 2316 } 2317 2318 static int 2319 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2320 { 2321 struct { 2322 union { 2323 struct scsi_mode_parameter_header_6 small; 2324 struct scsi_mode_parameter_header_10 big; 2325 } header; 2326 struct cd_audio_page page; 2327 } data, mask; 2328 int error; 2329 int big, byte2; 2330 struct cd_audio_page *page, *page2; 2331 2332 byte2 = SMS_DBD; 2333 try_again: 2334 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2335 AUDIO_PAGE, flags, &big)) != 0) { 2336 if (byte2 == SMS_DBD) { 2337 /* Device may not understand DBD; retry without */ 2338 byte2 = 0; 2339 goto try_again; 2340 } 2341 return (error); 2342 } 2343 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2344 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2345 return (error); 2346 2347 if (big) { 2348 page = (void *)((u_long)&data.header.big + 2349 sizeof data.header.big + 2350 _2btol(data.header.big.blk_desc_len)); 2351 page2 = (void *)((u_long)&mask.header.big + 2352 sizeof mask.header.big + 2353 _2btol(mask.header.big.blk_desc_len)); 2354 } else { 2355 page = (void *)((u_long)&data.header.small + 2356 sizeof data.header.small + 2357 data.header.small.blk_desc_len); 2358 page2 = (void *)((u_long)&mask.header.small + 2359 sizeof mask.header.small + 2360 mask.header.small.blk_desc_len); 2361 } 2362 2363 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2364 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2365 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2366 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2367 2368 page->port[0].channels = CHANNEL_0; 2369 page->port[1].channels = CHANNEL_1; 2370 2371 return (cd_mode_select(cd, SMS_PF, &data, 2372 sizeof(struct scsi_mode_page_header) + page->pg_length, 2373 flags, big)); 2374 } 2375 2376 static int 2377 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2378 { 2379 struct scsipi_load_unload cmd; 2380 2381 memset(&cmd, 0, sizeof(cmd)); 2382 cmd.opcode = LOAD_UNLOAD; 2383 cmd.options = args->options; /* ioctl uses MMC values */ 2384 cmd.slot = args->slot; 2385 2386 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2387 CDRETRIES, 200000, NULL, 0)); 2388 } 2389 2390 static int 2391 cd_setblksize(struct cd_softc *cd) 2392 { 2393 struct { 2394 union { 2395 struct scsi_mode_parameter_header_6 small; 2396 struct scsi_mode_parameter_header_10 big; 2397 } header; 2398 struct scsi_general_block_descriptor blk_desc; 2399 } data; 2400 int error; 2401 int big, bsize; 2402 struct scsi_general_block_descriptor *bdesc; 2403 2404 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2405 &big)) != 0) 2406 return (error); 2407 2408 if (big) { 2409 bdesc = (void *)(&data.header.big + 1); 2410 bsize = _2btol(data.header.big.blk_desc_len); 2411 } else { 2412 bdesc = (void *)(&data.header.small + 1); 2413 bsize = data.header.small.blk_desc_len; 2414 } 2415 2416 if (bsize == 0) { 2417 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2418 return (EINVAL); 2419 } 2420 if (_3btol(bdesc->blklen) == 2048) { 2421 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2422 return (EINVAL); 2423 } 2424 2425 _lto3b(2048, bdesc->blklen); 2426 2427 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2428 big)); 2429 } 2430 2431 2432 static int 2433 mmc_profile2class(uint16_t mmc_profile) 2434 { 2435 switch (mmc_profile) { 2436 case 0x01 : /* SCSI discs */ 2437 case 0x02 : 2438 /* this can't happen really, cd.c wouldn't have matched */ 2439 return MMC_CLASS_DISC; 2440 case 0x03 : /* Magneto Optical with sector erase */ 2441 case 0x04 : /* Magneto Optical write once */ 2442 case 0x05 : /* Advance Storage Magneto Optical */ 2443 return MMC_CLASS_MO; 2444 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2445 case 0x08 : /* CD-ROM */ 2446 case 0x09 : /* CD-R */ 2447 case 0x0a : /* CD-RW */ 2448 return MMC_CLASS_CD; 2449 case 0x10 : /* DVD-ROM */ 2450 case 0x11 : /* DVD-R */ 2451 case 0x12 : /* DVD-RAM */ 2452 case 0x13 : /* DVD-RW restricted overwrite */ 2453 case 0x14 : /* DVD-RW sequential */ 2454 case 0x1a : /* DVD+RW */ 2455 case 0x1b : /* DVD+R */ 2456 case 0x2a : /* DVD+RW Dual layer */ 2457 case 0x2b : /* DVD+R Dual layer */ 2458 case 0x50 : /* HD DVD-ROM */ 2459 case 0x51 : /* HD DVD-R */ 2460 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2461 return MMC_CLASS_DVD; 2462 case 0x40 : /* BD-ROM */ 2463 case 0x41 : /* BD-R Sequential recording (SRM) */ 2464 case 0x42 : /* BD-R Random Recording (RRM) */ 2465 case 0x43 : /* BD-RE */ 2466 return MMC_CLASS_BD; 2467 } 2468 return MMC_CLASS_UNKN; 2469 } 2470 2471 2472 /* 2473 * Drive/media combination is reflected in a series of features that can 2474 * either be current or dormant. We try to make sense out of them to create a 2475 * set of easy to use flags that abstract the device/media capabilities. 2476 */ 2477 2478 static void 2479 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2480 uint16_t feature, int cur, uint8_t *rpos) 2481 { 2482 uint32_t blockingnr; 2483 uint64_t flags; 2484 2485 if (cur == 1) { 2486 flags = mmc_discinfo->mmc_cur; 2487 } else { 2488 flags = mmc_discinfo->mmc_cap; 2489 } 2490 2491 switch (feature) { 2492 case 0x0010 : /* random readable feature */ 2493 blockingnr = rpos[5] | (rpos[4] << 8); 2494 if (blockingnr > 1) 2495 flags |= MMC_CAP_PACKET; 2496 2497 /* RW error page */ 2498 break; 2499 case 0x0020 : /* random writable feature */ 2500 flags |= MMC_CAP_RECORDABLE; 2501 flags |= MMC_CAP_REWRITABLE; 2502 blockingnr = rpos[9] | (rpos[8] << 8); 2503 if (blockingnr > 1) 2504 flags |= MMC_CAP_PACKET; 2505 break; 2506 case 0x0021 : /* incremental streaming write feature */ 2507 flags |= MMC_CAP_RECORDABLE; 2508 flags |= MMC_CAP_SEQUENTIAL; 2509 if (cur) 2510 mmc_discinfo->link_block_penalty = rpos[4]; 2511 if (rpos[2] & 1) 2512 flags |= MMC_CAP_ZEROLINKBLK; 2513 break; 2514 case 0x0022 : /* (obsolete) erase support feature */ 2515 flags |= MMC_CAP_RECORDABLE; 2516 flags |= MMC_CAP_ERASABLE; 2517 break; 2518 case 0x0023 : /* formatting media support feature */ 2519 flags |= MMC_CAP_RECORDABLE; 2520 flags |= MMC_CAP_FORMATTABLE; 2521 break; 2522 case 0x0024 : /* hardware assised defect management feature */ 2523 flags |= MMC_CAP_HW_DEFECTFREE; 2524 break; 2525 case 0x0025 : /* write once */ 2526 flags |= MMC_CAP_RECORDABLE; 2527 break; 2528 case 0x0026 : /* restricted overwrite feature */ 2529 flags |= MMC_CAP_RECORDABLE; 2530 flags |= MMC_CAP_REWRITABLE; 2531 flags |= MMC_CAP_STRICTOVERWRITE; 2532 break; 2533 case 0x0028 : /* MRW formatted media support feature */ 2534 flags |= MMC_CAP_MRW; 2535 break; 2536 case 0x002b : /* DVD+R read (and opt. write) support */ 2537 flags |= MMC_CAP_SEQUENTIAL; 2538 if (rpos[0] & 1) /* write support */ 2539 flags |= MMC_CAP_RECORDABLE; 2540 break; 2541 case 0x002c : /* rigid restricted overwrite feature */ 2542 flags |= MMC_CAP_RECORDABLE; 2543 flags |= MMC_CAP_REWRITABLE; 2544 flags |= MMC_CAP_STRICTOVERWRITE; 2545 if (rpos[0] & 1) /* blank bit */ 2546 flags |= MMC_CAP_BLANKABLE; 2547 break; 2548 case 0x002d : /* track at once recording feature */ 2549 flags |= MMC_CAP_RECORDABLE; 2550 flags |= MMC_CAP_SEQUENTIAL; 2551 break; 2552 case 0x002f : /* DVD-R/-RW write feature */ 2553 flags |= MMC_CAP_RECORDABLE; 2554 if (rpos[0] & 2) /* DVD-RW bit */ 2555 flags |= MMC_CAP_BLANKABLE; 2556 break; 2557 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2558 flags |= MMC_CAP_PSEUDOOVERWRITE; 2559 break; 2560 default : 2561 /* ignore */ 2562 break; 2563 } 2564 2565 if (cur == 1) { 2566 mmc_discinfo->mmc_cur = flags; 2567 } else { 2568 mmc_discinfo->mmc_cap = flags; 2569 } 2570 } 2571 2572 static int 2573 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2574 struct mmc_discinfo *mmc_discinfo) 2575 { 2576 struct scsipi_read_toc gtoc_cmd; 2577 struct scsipi_toc_header *toc_hdr; 2578 struct scsipi_toc_msinfo *toc_msinfo; 2579 const uint32_t buffer_size = 1024; 2580 uint32_t req_size; 2581 uint8_t *buffer; 2582 int error, flags; 2583 2584 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2585 /* 2586 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2587 * care' but others might be of interest to programs. 2588 */ 2589 2590 mmc_discinfo->disc_state = MMC_STATE_FULL; 2591 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2592 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2593 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2594 2595 /* get number of sessions and first tracknr in last session */ 2596 flags = XS_CTL_DATA_IN; 2597 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2598 gtoc_cmd.opcode = READ_TOC; 2599 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2600 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2601 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2602 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2603 _lto2b(req_size, gtoc_cmd.data_len); 2604 2605 error = scsipi_command(periph, 2606 (void *)>oc_cmd, sizeof(gtoc_cmd), 2607 (void *)buffer, req_size, 2608 CDRETRIES, 30000, NULL, flags); 2609 if (error) 2610 goto out; 2611 toc_hdr = (struct scsipi_toc_header *) buffer; 2612 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2613 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2614 mmc_discinfo->first_track = toc_hdr->first; 2615 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2616 2617 /* get last track of last session */ 2618 flags = XS_CTL_DATA_IN; 2619 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2620 req_size = sizeof(*toc_hdr); 2621 _lto2b(req_size, gtoc_cmd.data_len); 2622 2623 error = scsipi_command(periph, 2624 (void *)>oc_cmd, sizeof(gtoc_cmd), 2625 (void *)buffer, req_size, 2626 CDRETRIES, 30000, NULL, flags); 2627 if (error) 2628 goto out; 2629 toc_hdr = (struct scsipi_toc_header *) buffer; 2630 mmc_discinfo->last_track_last_session = toc_hdr->last; 2631 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2632 2633 /* TODO how to handle disc_barcode and disc_id */ 2634 /* done */ 2635 2636 out: 2637 free(buffer, M_TEMP); 2638 return error; 2639 } 2640 2641 static int 2642 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2643 struct mmc_discinfo *mmc_discinfo) 2644 { 2645 struct scsipi_read_toc gtoc_cmd; 2646 struct scsipi_toc_header toc_hdr; 2647 uint32_t req_size; 2648 int error, flags; 2649 2650 /* 2651 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2652 * care' but others might be of interest to programs. 2653 */ 2654 2655 mmc_discinfo->disc_state = MMC_STATE_FULL; 2656 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2657 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2658 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2659 2660 /* get number of sessions and first tracknr in last session */ 2661 flags = XS_CTL_DATA_IN; 2662 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2663 gtoc_cmd.opcode = READ_TOC; 2664 gtoc_cmd.addr_mode = 0; /* LBA */ 2665 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2666 gtoc_cmd.from_track = 1; /* first track */ 2667 req_size = sizeof(toc_hdr); 2668 _lto2b(req_size, gtoc_cmd.data_len); 2669 2670 error = scsipi_command(periph, 2671 (void *)>oc_cmd, sizeof(gtoc_cmd), 2672 (void *)&toc_hdr, req_size, 2673 CDRETRIES, 30000, NULL, flags); 2674 if (error) 2675 return error; 2676 2677 /* DVD-ROM squashes the track/session space */ 2678 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2679 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2680 mmc_discinfo->first_track = toc_hdr.first; 2681 mmc_discinfo->first_track_last_session = toc_hdr.last; 2682 mmc_discinfo->last_track_last_session = toc_hdr.last; 2683 2684 /* TODO how to handle disc_barcode and disc_id */ 2685 /* done */ 2686 return 0; 2687 } 2688 2689 static int 2690 mmc_getdiscinfo(struct scsipi_periph *periph, 2691 struct mmc_discinfo *mmc_discinfo) 2692 { 2693 struct scsipi_get_configuration gc_cmd; 2694 struct scsipi_get_conf_data *gc; 2695 struct scsipi_get_conf_feature *gcf; 2696 struct scsipi_read_discinfo di_cmd; 2697 struct scsipi_read_discinfo_data di __aligned(2); 2698 const uint32_t buffer_size = 0x200; /* XXX RPZ USB3 SCSI size issue */ 2699 uint32_t pos; 2700 u_long last_lba = 0; 2701 uint8_t *buffer, *fpos; 2702 int feature, last_feature, features_len, feature_cur, feature_len; 2703 int lsb, msb, error, flags; 2704 2705 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2706 2707 /* initialise structure */ 2708 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2709 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2710 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2711 mmc_discinfo->mmc_cur = 0; 2712 mmc_discinfo->mmc_cap = 0; 2713 mmc_discinfo->link_block_penalty = 0; 2714 2715 /* determine mmc profile and class */ 2716 flags = XS_CTL_DATA_IN; 2717 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2718 gc_cmd.opcode = GET_CONFIGURATION; 2719 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2720 2721 gc = (struct scsipi_get_conf_data *) buffer; 2722 2723 error = scsipi_command(periph, 2724 (void *)&gc_cmd, sizeof(gc_cmd), 2725 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2726 CDRETRIES, 30000, NULL, flags); 2727 if (error) 2728 goto out; 2729 2730 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2731 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2732 2733 /* assume 2048 sector size unless told otherwise */ 2734 mmc_discinfo->sector_size = 2048; 2735 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2736 if (error) 2737 goto out; 2738 2739 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 2740 2741 /* Read in all features to determine device capabilities */ 2742 last_feature = feature = 0; 2743 do { 2744 /* determine mmc profile and class */ 2745 flags = XS_CTL_DATA_IN; 2746 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2747 gc_cmd.opcode = GET_CONFIGURATION; 2748 _lto2b(last_feature, gc_cmd.start_at_feature); 2749 _lto2b(buffer_size, gc_cmd.data_len); 2750 memset(gc, 0, buffer_size); 2751 2752 error = scsipi_command(periph, 2753 (void *)&gc_cmd, sizeof(gc_cmd), 2754 (void *) gc, buffer_size, 2755 CDRETRIES, 30000, NULL, flags); 2756 if (error) { 2757 /* ieeek... break out of loop... i dunno what to do */ 2758 break; 2759 } 2760 2761 features_len = _4btol(gc->data_len); 2762 if (features_len < 4 || features_len > buffer_size) 2763 break; 2764 2765 pos = 0; 2766 fpos = &gc->feature_desc[0]; 2767 while (pos < features_len - 4) { 2768 gcf = (struct scsipi_get_conf_feature *) fpos; 2769 2770 feature = _2btol(gcf->featurecode); 2771 feature_cur = gcf->flags & 1; 2772 feature_len = gcf->additional_length; 2773 2774 mmc_process_feature(mmc_discinfo, 2775 feature, feature_cur, 2776 gcf->feature_dependent); 2777 2778 last_feature = MAX(last_feature, feature); 2779 #ifdef DIAGNOSTIC 2780 /* assert((feature_len & 3) == 0); */ 2781 if ((feature_len & 3) != 0) { 2782 printf("feature %d having length %d\n", 2783 feature, feature_len); 2784 } 2785 #endif 2786 2787 pos += 4 + feature_len; 2788 fpos += 4 + feature_len; 2789 } 2790 /* unlikely to ever grow past our 1kb buffer */ 2791 } while (features_len >= 0xffff); 2792 2793 /* 2794 * Fixup CD-RW drives that are on crack. 2795 * 2796 * Some drives report the capability to incrementally write 2797 * sequentially on CD-R(W) media... nice, but this should not be 2798 * active for a fixed packet formatted CD-RW media. Other report the 2799 * ability of HW_DEFECTFREE even when the media is NOT MRW 2800 * formatted.... 2801 */ 2802 if (mmc_discinfo->mmc_profile == 0x0a) { 2803 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 2804 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 2805 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 2806 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2807 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 2808 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2809 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 2810 } else { 2811 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 2812 } 2813 } 2814 if (mmc_discinfo->mmc_profile == 0x09) { 2815 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 2816 } 2817 2818 #ifdef DEBUG 2819 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2820 mmc_discinfo->mmc_profile, 2821 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2822 #endif 2823 2824 /* read in disc state and number of sessions and tracks */ 2825 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2826 memset(&di_cmd, 0, sizeof(di_cmd)); 2827 di_cmd.opcode = READ_DISCINFO; 2828 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2829 2830 error = scsipi_command(periph, 2831 (void *)&di_cmd, sizeof(di_cmd), 2832 (void *)&di, READ_DISCINFO_BIGSIZE, 2833 CDRETRIES, 30000, NULL, flags); 2834 2835 if (error) { 2836 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 2837 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 2838 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 2839 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 2840 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 2841 else /* CD/DVD drive is violating specs */ 2842 error = EIO; 2843 goto out; 2844 } 2845 2846 /* call went OK */ 2847 mmc_discinfo->disc_state = di.disc_state & 3; 2848 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 2849 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 2850 2851 lsb = di.num_sessions_lsb; 2852 msb = di.num_sessions_msb; 2853 mmc_discinfo->num_sessions = lsb | (msb << 8); 2854 2855 mmc_discinfo->first_track = di.first_track; 2856 lsb = di.first_track_last_session_lsb; 2857 msb = di.first_track_last_session_msb; 2858 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 2859 lsb = di.last_track_last_session_lsb; 2860 msb = di.last_track_last_session_msb; 2861 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 2862 2863 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 2864 mmc_discinfo->first_track + 1; 2865 2866 /* set misc. flags and parameters from this disc info */ 2867 if (di.disc_state & 16) 2868 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 2869 2870 if (di.disc_state2 & 128) { 2871 mmc_discinfo->disc_id = _4btol(di.discid); 2872 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 2873 } 2874 if (di.disc_state2 & 64) { 2875 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 2876 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 2877 } 2878 if (di.disc_state2 & 32) 2879 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 2880 2881 if (di.disc_state2 & 16) { 2882 mmc_discinfo->application_code = di.application_code; 2883 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 2884 } 2885 2886 /* done */ 2887 2888 out: 2889 free(buffer, M_TEMP); 2890 return error; 2891 } 2892 2893 static int 2894 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 2895 struct mmc_trackinfo *trackinfo) 2896 { 2897 struct scsipi_read_toc gtoc_cmd; 2898 struct scsipi_toc_header *toc_hdr; 2899 struct scsipi_toc_rawtoc *rawtoc; 2900 uint32_t track_start, track_size; 2901 uint32_t last_recorded, next_writable; 2902 uint32_t lba, next_track_start, lead_out; 2903 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 2904 uint8_t *buffer; 2905 uint8_t track_sessionnr, sessionnr, adr, tno, point; 2906 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 2907 int size, req_size; 2908 int error, flags; 2909 2910 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2911 2912 /* 2913 * Emulate read trackinfo for CD-ROM using the raw-TOC. 2914 * 2915 * Not all information is present and this presents a problem. Track 2916 * starts are known for each track but other values are deducted. 2917 * 2918 * For a complete overview of `magic' values used here, see the 2919 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 2920 * names, they are specified as numbers. 2921 */ 2922 2923 /* get raw toc to process, first header to check size */ 2924 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2925 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2926 gtoc_cmd.opcode = READ_TOC; 2927 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2928 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 2929 gtoc_cmd.from_track = 1; /* first session */ 2930 req_size = sizeof(*toc_hdr); 2931 _lto2b(req_size, gtoc_cmd.data_len); 2932 2933 error = scsipi_command(periph, 2934 (void *)>oc_cmd, sizeof(gtoc_cmd), 2935 (void *)buffer, req_size, 2936 CDRETRIES, 30000, NULL, flags); 2937 if (error) 2938 goto out; 2939 toc_hdr = (struct scsipi_toc_header *) buffer; 2940 if (_2btol(toc_hdr->length) > buffer_size - 2) { 2941 #ifdef DIAGNOSTIC 2942 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 2943 #endif 2944 error = ENOBUFS; 2945 goto out; 2946 } 2947 2948 /* read in complete raw toc */ 2949 req_size = _2btol(toc_hdr->length); 2950 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 2951 _lto2b(req_size, gtoc_cmd.data_len); 2952 2953 error = scsipi_command(periph, 2954 (void *)>oc_cmd, sizeof(gtoc_cmd), 2955 (void *)buffer, req_size, 2956 CDRETRIES, 30000, NULL, flags); 2957 if (error) 2958 goto out; 2959 2960 toc_hdr = (struct scsipi_toc_header *) buffer; 2961 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 2962 2963 track_start = 0; 2964 track_size = 0; 2965 last_recorded = 0; 2966 next_writable = 0; 2967 flags = 0; 2968 2969 next_track_start = 0; 2970 track_sessionnr = MAXTRACK; /* by definition */ 2971 lead_out = 0; 2972 2973 size = req_size - sizeof(struct scsipi_toc_header) + 1; 2974 while (size > 0) { 2975 /* get track start and session end */ 2976 tno = rawtoc->tno; 2977 sessionnr = rawtoc->sessionnr; 2978 adr = rawtoc->adrcontrol >> 4; 2979 control = rawtoc->adrcontrol & 0xf; 2980 point = rawtoc->point; 2981 tmin = rawtoc->min; 2982 tsec = rawtoc->sec; 2983 tframe = rawtoc->frame; 2984 pmin = rawtoc->pmin; 2985 psec = rawtoc->psec; 2986 pframe = rawtoc->pframe; 2987 2988 if (tno == 0 && sessionnr && adr == 1) { 2989 lba = hmsf2lba(0, pmin, psec, pframe); 2990 if (point == trackinfo->tracknr) { 2991 track_start = lba; 2992 track_sessionnr = sessionnr; 2993 } 2994 if (point == trackinfo->tracknr + 1) { 2995 /* estimate size */ 2996 track_size = lba - track_start; 2997 next_track_start = lba; 2998 } 2999 if (point == 0xa2) { 3000 lead_out = lba; 3001 } 3002 if (point <= 0x63) { 3003 /* CD's ok, DVD are glued */ 3004 /* last_tracknr = point; */ 3005 } 3006 if (sessionnr == track_sessionnr) { 3007 last_recorded = lead_out; 3008 } 3009 } 3010 if (tno == 0 && sessionnr && adr == 5) { 3011 lba = hmsf2lba(0, tmin, tsec, tframe); 3012 if (sessionnr == track_sessionnr) { 3013 next_writable = lba; 3014 } 3015 } 3016 3017 if ((control & (3<<2)) == 4) /* 01xxb */ 3018 flags |= MMC_TRACKINFO_DATA; 3019 if ((control & (1<<2)) == 0) { /* x0xxb */ 3020 flags |= MMC_TRACKINFO_AUDIO; 3021 if (control & 1) /* xxx1b */ 3022 flags |= MMC_TRACKINFO_PRE_EMPH; 3023 } 3024 3025 rawtoc++; 3026 size -= sizeof(struct scsipi_toc_rawtoc); 3027 } 3028 3029 /* process found values; some voodoo */ 3030 /* if no tracksize tracknr is the last of the disc */ 3031 if ((track_size == 0) && last_recorded) { 3032 track_size = last_recorded - track_start; 3033 } 3034 /* if last_recorded < tracksize, tracksize is overestimated */ 3035 if (last_recorded) { 3036 if (last_recorded - track_start <= track_size) { 3037 track_size = last_recorded - track_start; 3038 flags |= MMC_TRACKINFO_LRA_VALID; 3039 } 3040 } 3041 /* check if its a the last track of the sector */ 3042 if (next_writable) { 3043 if (next_track_start > next_writable) 3044 flags |= MMC_TRACKINFO_NWA_VALID; 3045 } 3046 3047 /* no flag set -> no values */ 3048 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3049 last_recorded = 0; 3050 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3051 next_writable = 0; 3052 3053 /* fill in */ 3054 /* trackinfo->tracknr preserved */ 3055 trackinfo->sessionnr = track_sessionnr; 3056 trackinfo->track_mode = 7; /* data, incremental */ 3057 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3058 3059 trackinfo->flags = flags; 3060 trackinfo->track_start = track_start; 3061 trackinfo->next_writable = next_writable; 3062 trackinfo->free_blocks = 0; 3063 trackinfo->packet_size = 1; 3064 trackinfo->track_size = track_size; 3065 trackinfo->last_recorded = last_recorded; 3066 3067 out: 3068 free(buffer, M_TEMP); 3069 return error; 3070 3071 } 3072 3073 static int 3074 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3075 struct mmc_trackinfo *trackinfo) 3076 { 3077 struct scsipi_read_toc gtoc_cmd; 3078 struct scsipi_toc_header *toc_hdr; 3079 struct scsipi_toc_formatted *toc; 3080 uint32_t tracknr, track_start, track_size; 3081 uint32_t lba, lead_out; 3082 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3083 uint8_t *buffer; 3084 uint8_t control, last_tracknr; 3085 int size, req_size; 3086 int error, flags; 3087 3088 3089 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3090 /* 3091 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3092 * CD-ROM emulation uses since the specification tells us that no such 3093 * thing is defined for DVD's. The reason for this is due to the large 3094 * number of tracks and that would clash with the `magic' values. This 3095 * suxs. 3096 * 3097 * Not all information is present and this presents a problem. 3098 * Track starts are known for each track but other values are 3099 * deducted. 3100 */ 3101 3102 /* get formatted toc to process, first header to check size */ 3103 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3104 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3105 gtoc_cmd.opcode = READ_TOC; 3106 gtoc_cmd.addr_mode = 0; /* lba's please */ 3107 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3108 gtoc_cmd.from_track = 1; /* first track */ 3109 req_size = sizeof(*toc_hdr); 3110 _lto2b(req_size, gtoc_cmd.data_len); 3111 3112 error = scsipi_command(periph, 3113 (void *)>oc_cmd, sizeof(gtoc_cmd), 3114 (void *)buffer, req_size, 3115 CDRETRIES, 30000, NULL, flags); 3116 if (error) 3117 goto out; 3118 toc_hdr = (struct scsipi_toc_header *) buffer; 3119 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3120 #ifdef DIAGNOSTIC 3121 printf("increase buffersize in mmc_readtrackinfo_dvdrom\n"); 3122 #endif 3123 error = ENOBUFS; 3124 goto out; 3125 } 3126 3127 /* read in complete formatted toc */ 3128 req_size = _2btol(toc_hdr->length); 3129 _lto2b(req_size, gtoc_cmd.data_len); 3130 3131 error = scsipi_command(periph, 3132 (void *)>oc_cmd, sizeof(gtoc_cmd), 3133 (void *)buffer, req_size, 3134 CDRETRIES, 30000, NULL, flags); 3135 if (error) 3136 goto out; 3137 3138 toc_hdr = (struct scsipi_toc_header *) buffer; 3139 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3140 3141 /* as in read disc info, all sessions are converted to tracks */ 3142 /* track 1.. -> offsets, sizes can be (roughly) estimated (16 ECC) */ 3143 /* last track -> we got the size from the lead-out */ 3144 3145 tracknr = 0; 3146 last_tracknr = toc_hdr->last; 3147 track_start = 0; 3148 track_size = 0; 3149 lead_out = 0; 3150 flags = 0; 3151 3152 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3153 while (size > 0) { 3154 /* remember, DVD-ROM: tracknr == sessionnr */ 3155 lba = _4btol(toc->msf_lba); 3156 tracknr = toc->tracknr; 3157 control = toc->adrcontrol & 0xf; 3158 3159 if (trackinfo->tracknr == tracknr) { 3160 track_start = lba; 3161 } 3162 if (trackinfo->tracknr == tracknr+1) { 3163 track_size = lba - track_start; 3164 track_size -= 16; /* link block ? */ 3165 } 3166 if (tracknr == 0xAA) { 3167 lead_out = lba; 3168 } 3169 3170 if ((control & (3<<2)) == 4) /* 01xxb */ 3171 flags |= MMC_TRACKINFO_DATA; 3172 if ((control & (1<<2)) == 0) { /* x0xxb */ 3173 flags |= MMC_TRACKINFO_AUDIO; 3174 if (control & (1<<3)) /* 10xxb */ 3175 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3176 if (control & 1) /* xxx1b */ 3177 flags |= MMC_TRACKINFO_PRE_EMPH; 3178 } 3179 3180 toc++; 3181 size -= sizeof(struct scsipi_toc_formatted); 3182 } 3183 if (trackinfo->tracknr == last_tracknr) { 3184 track_size = lead_out - track_start; 3185 } 3186 3187 /* fill in */ 3188 /* trackinfo->tracknr preserved */ 3189 trackinfo->sessionnr = trackinfo->tracknr; 3190 trackinfo->track_mode = 0; /* unknown */ 3191 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3192 3193 trackinfo->flags = flags; 3194 trackinfo->track_start = track_start; 3195 trackinfo->next_writable = 0; 3196 trackinfo->free_blocks = 0; 3197 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3198 trackinfo->track_size = track_size; 3199 trackinfo->last_recorded = 0; 3200 3201 out: 3202 free(buffer, M_TEMP); 3203 return error; 3204 } 3205 3206 static int 3207 mmc_gettrackinfo(struct scsipi_periph *periph, 3208 struct mmc_trackinfo *trackinfo) 3209 { 3210 struct scsipi_read_trackinfo ti_cmd; 3211 struct scsipi_read_trackinfo_data ti __aligned(2); 3212 struct scsipi_get_configuration gc_cmd; 3213 struct scsipi_get_conf_data gc __aligned(2); 3214 int error, flags; 3215 int mmc_profile; 3216 3217 /* set up SCSI call with track number from trackinfo.tracknr */ 3218 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3219 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3220 ti_cmd.opcode = READ_TRACKINFO; 3221 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3222 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3223 3224 /* trackinfo.tracknr contains number of tracks to query */ 3225 _lto4b(trackinfo->tracknr, ti_cmd.address); 3226 error = scsipi_command(periph, 3227 (void *)&ti_cmd, sizeof(ti_cmd), 3228 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3229 CDRETRIES, 30000, NULL, flags); 3230 3231 if (error) { 3232 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3233 /* first determine mmc profile */ 3234 flags = XS_CTL_DATA_IN; 3235 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3236 gc_cmd.opcode = GET_CONFIGURATION; 3237 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3238 3239 error = scsipi_command(periph, 3240 (void *)&gc_cmd, sizeof(gc_cmd), 3241 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3242 CDRETRIES, 30000, NULL, flags); 3243 if (error) 3244 return error; 3245 mmc_profile = _2btol(gc.mmc_profile); 3246 3247 /* choose emulation */ 3248 if (mmc_profile == 0x08) /* CD-ROM */ 3249 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3250 if (mmc_profile == 0x10) /* DVD-ROM */ 3251 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3252 /* CD/DVD drive is violating specs */ 3253 return EIO; 3254 } 3255 3256 /* (re)initialise structure */ 3257 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3258 3259 /* account for short returns screwing up track and session msb */ 3260 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3261 ti.track_msb = 0; 3262 ti.session_msb = 0; 3263 } 3264 3265 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3266 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3267 trackinfo->track_mode = ti.track_info_1 & 0xf; 3268 trackinfo->data_mode = ti.track_info_2 & 0xf; 3269 3270 flags = 0; 3271 if (ti.track_info_1 & 0x10) 3272 flags |= MMC_TRACKINFO_COPY; 3273 if (ti.track_info_1 & 0x20) 3274 flags |= MMC_TRACKINFO_DAMAGED; 3275 if (ti.track_info_2 & 0x10) 3276 flags |= MMC_TRACKINFO_FIXED_PACKET; 3277 if (ti.track_info_2 & 0x20) 3278 flags |= MMC_TRACKINFO_INCREMENTAL; 3279 if (ti.track_info_2 & 0x40) 3280 flags |= MMC_TRACKINFO_BLANK; 3281 if (ti.track_info_2 & 0x80) 3282 flags |= MMC_TRACKINFO_RESERVED; 3283 if (ti.data_valid & 0x01) 3284 flags |= MMC_TRACKINFO_NWA_VALID; 3285 if (ti.data_valid & 0x02) 3286 flags |= MMC_TRACKINFO_LRA_VALID; 3287 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3288 flags |= MMC_TRACKINFO_DATA; 3289 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3290 flags |= MMC_TRACKINFO_AUDIO; 3291 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3292 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3293 if (trackinfo->track_mode & 1) /* xxx1b */ 3294 flags |= MMC_TRACKINFO_PRE_EMPH; 3295 } 3296 3297 trackinfo->flags = flags; 3298 trackinfo->track_start = _4btol(ti.track_start); 3299 trackinfo->next_writable = _4btol(ti.next_writable); 3300 trackinfo->free_blocks = _4btol(ti.free_blocks); 3301 trackinfo->packet_size = _4btol(ti.packet_size); 3302 trackinfo->track_size = _4btol(ti.track_size); 3303 trackinfo->last_recorded = _4btol(ti.last_recorded); 3304 3305 return 0; 3306 } 3307 3308 static int 3309 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3310 struct scsipi_close_tracksession close_cmd; 3311 int error, flags; 3312 3313 /* set up SCSI call with track number */ 3314 flags = XS_CTL_DATA_OUT; 3315 memset(&close_cmd, 0, sizeof(close_cmd)); 3316 close_cmd.opcode = CLOSE_TRACKSESSION; 3317 close_cmd.function = func; 3318 _lto2b(param, close_cmd.tracksessionnr); 3319 3320 error = scsipi_command(periph, 3321 (void *) &close_cmd, sizeof(close_cmd), 3322 NULL, 0, 3323 CDRETRIES, 120000, NULL, flags); 3324 3325 return error; 3326 } 3327 3328 static int 3329 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3330 { 3331 int mmc_profile = mmc_op->mmc_profile; 3332 3333 switch (mmc_profile) { 3334 case 0x12 : /* DVD-RAM */ 3335 case 0x1a : /* DVD+RW */ 3336 case 0x2a : /* DVD+RW Dual layer */ 3337 case 0x42 : /* BD-R Random Recording (RRM) */ 3338 case 0x43 : /* BD-RE */ 3339 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3340 return EINVAL; 3341 } 3342 3343 return mmc_doclose(periph, mmc_op->tracknr, 1); 3344 } 3345 3346 static int 3347 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3348 { 3349 uint8_t blob[MS5LEN], *page5; 3350 int mmc_profile = mmc_op->mmc_profile; 3351 int func, close, flags; 3352 int error; 3353 3354 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3355 3356 switch (mmc_profile) { 3357 case 0x09 : /* CD-R */ 3358 case 0x0a : /* CD-RW */ 3359 /* Special case : need to update MS field in mode page 5 */ 3360 memset(blob, 0, sizeof(blob)); 3361 page5 = blob+8; 3362 3363 flags = XS_CTL_DATA_IN; 3364 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3365 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3366 if (error) 3367 return error; 3368 3369 /* set multi session field when closing a session only */ 3370 page5[3] &= 63; 3371 if (close) 3372 page5[3] |= 3 << 6; 3373 3374 flags = XS_CTL_DATA_OUT; 3375 error = scsipi_mode_select_big(periph, SMS_PF, 3376 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3377 if (error) 3378 return error; 3379 /* and use function 2 */ 3380 func = 2; 3381 break; 3382 case 0x11 : /* DVD-R (DL) */ 3383 case 0x13 : /* DVD-RW restricted overwrite */ 3384 case 0x14 : /* DVD-RW sequential */ 3385 func = close ? 2 : 3; 3386 break; 3387 case 0x1b : /* DVD+R */ 3388 case 0x2b : /* DVD+R Dual layer */ 3389 case 0x51 : /* HD DVD-R */ 3390 case 0x41 : /* BD-R Sequential recording (SRM) */ 3391 func = close ? 2 : 6; 3392 break; 3393 case 0x12 : /* DVD-RAM */ 3394 case 0x1a : /* DVD+RW */ 3395 case 0x2a : /* DVD+RW Dual layer */ 3396 case 0x42 : /* BD-R Random Recording (RRM) */ 3397 case 0x43 : /* BD-RE */ 3398 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3399 return EINVAL; 3400 default: 3401 printf("MMC close/finalise passed wrong device type! (%d)\n", 3402 mmc_profile); 3403 return EINVAL; 3404 } 3405 3406 return mmc_doclose(periph, mmc_op->sessionnr, func); 3407 } 3408 3409 static int 3410 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3411 { 3412 struct scsipi_reserve_track reserve_cmd; 3413 uint32_t extent; 3414 int error, flags; 3415 3416 /* TODO make mmc safeguards? */ 3417 extent = mmc_op->extent; 3418 /* TODO min/max support? */ 3419 3420 /* set up SCSI call with requested space */ 3421 flags = XS_CTL_DATA_OUT; 3422 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3423 reserve_cmd.opcode = RESERVE_TRACK; 3424 _lto4b(extent, reserve_cmd.reservation_size); 3425 3426 error = scsipi_command(periph, 3427 (void *) &reserve_cmd, sizeof(reserve_cmd), 3428 NULL, 0, 3429 CDRETRIES, 30000, NULL, flags); 3430 3431 return error; 3432 } 3433 3434 static int 3435 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3436 { 3437 /* XXX assumes that NWA given is valid */ 3438 switch (mmc_op->mmc_profile) { 3439 case 0x09 : /* CD-R */ 3440 /* XXX unknown boundary checks XXX */ 3441 if (mmc_op->extent <= 152) 3442 return EINVAL; 3443 /* CD-R takes 152 sectors to close track */ 3444 mmc_op->extent -= 152; 3445 return mmc_do_reserve_track(periph, mmc_op); 3446 case 0x11 : /* DVD-R (DL) */ 3447 case 0x1b : /* DVD+R */ 3448 case 0x2b : /* DVD+R Dual layer */ 3449 if (mmc_op->extent % 16) 3450 return EINVAL; 3451 /* upto one ECC block of 16 sectors lost */ 3452 mmc_op->extent -= 16; 3453 return mmc_do_reserve_track(periph, mmc_op); 3454 case 0x41 : /* BD-R Sequential recording (SRM) */ 3455 case 0x51 : /* HD DVD-R */ 3456 if (mmc_op->extent % 32) 3457 return EINVAL; 3458 /* one ECC block of 32 sectors lost (AFAIK) */ 3459 mmc_op->extent -= 32; 3460 return mmc_do_reserve_track(periph, mmc_op); 3461 } 3462 3463 /* unknown behaviour or invalid disc type */ 3464 return EINVAL; 3465 } 3466 3467 static int 3468 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3469 { 3470 struct scsipi_repair_track repair_cmd; 3471 int error, flags; 3472 3473 /* TODO make mmc safeguards? */ 3474 3475 /* set up SCSI call with track number */ 3476 flags = XS_CTL_DATA_OUT; 3477 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3478 repair_cmd.opcode = REPAIR_TRACK; 3479 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3480 3481 error = scsipi_command(periph, 3482 (void *) &repair_cmd, sizeof(repair_cmd), 3483 NULL, 0, 3484 CDRETRIES, 30000, NULL, flags); 3485 3486 return error; 3487 } 3488 3489 static int 3490 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3491 { 3492 /* guard operation value */ 3493 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3494 return EINVAL; 3495 3496 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3497 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3498 return cdcachesync(periph, 0); 3499 3500 /* zero mmc_profile means unknown disc so operations are not defined */ 3501 if (mmc_op->mmc_profile == 0) { 3502 #ifdef DEBUG 3503 printf("mmc_do_op called with mmc_profile = 0\n"); 3504 #endif 3505 return EINVAL; 3506 } 3507 3508 /* do the operations */ 3509 switch (mmc_op->operation) { 3510 case MMC_OP_CLOSETRACK : 3511 return mmc_do_closetrack(periph, mmc_op); 3512 case MMC_OP_CLOSESESSION : 3513 case MMC_OP_FINALISEDISC : 3514 return mmc_do_close_or_finalise(periph, mmc_op); 3515 case MMC_OP_RESERVETRACK : 3516 return mmc_do_reserve_track(periph, mmc_op); 3517 case MMC_OP_RESERVETRACK_NWA : 3518 return mmc_do_reserve_track_nwa(periph, mmc_op); 3519 case MMC_OP_REPAIRTRACK : 3520 return mmc_do_repair_track(periph, mmc_op); 3521 case MMC_OP_UNCLOSELASTSESSION : 3522 /* TODO unclose last session support */ 3523 return EINVAL; 3524 default : 3525 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3526 } 3527 3528 return EINVAL; 3529 } 3530 3531 static int 3532 mmc_setup_writeparams(struct scsipi_periph *periph, 3533 struct mmc_writeparams *mmc_writeparams) 3534 { 3535 struct mmc_trackinfo trackinfo; 3536 uint8_t blob[MS5LEN]; 3537 uint8_t *page5; 3538 int flags, error; 3539 int track_mode, data_mode; 3540 3541 /* setup mode page 5 for CD only */ 3542 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3543 return 0; 3544 3545 memset(blob, 0, sizeof(blob)); 3546 page5 = blob+8; 3547 3548 /* read mode page 5 (with header) */ 3549 flags = XS_CTL_DATA_IN; 3550 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3551 sizeof(blob), flags, CDRETRIES, 20000); 3552 if (error) 3553 return error; 3554 3555 /* set page length for reassurance */ 3556 page5[1] = P5LEN; /* page length */ 3557 3558 /* write type packet/incremental */ 3559 page5[2] &= 0xf0; 3560 3561 /* set specified mode parameters */ 3562 track_mode = mmc_writeparams->track_mode; 3563 data_mode = mmc_writeparams->data_mode; 3564 if (track_mode <= 0 || track_mode > 15) 3565 return EINVAL; 3566 if (data_mode < 1 || data_mode > 2) 3567 return EINVAL; 3568 3569 /* if a tracknr is passed, setup according to the track */ 3570 if (mmc_writeparams->tracknr > 0) { 3571 trackinfo.tracknr = mmc_writeparams->tracknr; 3572 error = mmc_gettrackinfo(periph, &trackinfo); 3573 if (error) 3574 return error; 3575 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3576 track_mode = trackinfo.track_mode; 3577 data_mode = trackinfo.data_mode; 3578 } 3579 mmc_writeparams->blockingnr = trackinfo.packet_size; 3580 } 3581 3582 /* copy track mode and data mode from trackinfo */ 3583 page5[3] &= 16; /* keep only `Copy' bit */ 3584 page5[3] |= (3 << 6) | track_mode; 3585 page5[4] &= 0xf0; /* wipe data block type */ 3586 if (data_mode == 1) { 3587 /* select ISO mode 1 (CD only) */ 3588 page5[4] |= 8; 3589 /* select session format normal disc (CD only) */ 3590 page5[8] = 0; 3591 } else { 3592 /* select ISO mode 2; XA form 1 (CD only) */ 3593 page5[4] |= 10; 3594 /* select session format CD-ROM XA disc (CD only) */ 3595 page5[8] = 0x20; 3596 } 3597 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3598 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3599 /* set BUFE buffer underrun protection */ 3600 page5[2] |= 1<<6; 3601 } 3602 /* allow for multi session */ 3603 page5[3] |= 3 << 6; 3604 } else { 3605 /* select fixed packets */ 3606 page5[3] |= 1<<5; 3607 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3608 } 3609 3610 /* write out updated mode page 5 (with header) */ 3611 flags = XS_CTL_DATA_OUT; 3612 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3613 sizeof(blob), flags, CDRETRIES, 20000); 3614 if (error) 3615 return error; 3616 3617 return 0; 3618 } 3619 3620 static void 3621 cd_set_geometry(struct cd_softc *cd) 3622 { 3623 struct dk_softc *dksc = &cd->sc_dksc; 3624 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom; 3625 3626 memset(dg, 0, sizeof(*dg)); 3627 3628 dg->dg_secperunit = cd->params.disksize; 3629 dg->dg_secsize = cd->params.blksize; 3630 dg->dg_nsectors = 100; 3631 dg->dg_ntracks = 1; 3632 3633 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL); 3634 }
Cache object: 88e4b831a96a569deaeba296d4990537
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