1 /* $NetBSD: cd.c,v 1.342 2018/09/03 16:29:33 riastradh 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 1.342 2018/09/03 16:29:33 riastradh 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 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() loud again */ 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 parition 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 goto bad; 424 425 /* Lock the pack in. */ 426 error = scsipi_prevent(periph, SPAMR_PREVENT_DT, 427 XS_CTL_IGNORE_ILLEGAL_REQUEST | 428 XS_CTL_IGNORE_MEDIA_CHANGE); 429 SC_DEBUG(periph, SCSIPI_DB1, 430 ("cdopen: scsipi_prevent, error=%d\n", error)); 431 if (error) { 432 if (part == RAW_PART) 433 goto out; 434 goto bad; 435 } 436 437 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 438 int param_error; 439 440 /* Load the physical device parameters. */ 441 param_error = cd_get_parms(cd, 0); 442 if (param_error == CDGP_RESULT_OFFLINE) { 443 error = ENXIO; 444 goto bad2; 445 } 446 periph->periph_flags |= PERIPH_MEDIA_LOADED; 447 448 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 449 450 cd_set_geometry(cd); 451 } 452 453 periph->periph_flags |= PERIPH_OPEN; 454 455 out: 456 return 0; 457 458 bad2: 459 scsipi_prevent(periph, SPAMR_ALLOW, 460 XS_CTL_IGNORE_ILLEGAL_REQUEST | 461 XS_CTL_IGNORE_MEDIA_CHANGE | 462 XS_CTL_SILENT); 463 464 bad: 465 scsipi_adapter_delref(adapt); 466 return error; 467 } 468 469 /* 470 * open the device. Make sure the partition info is a up-to-date as can be. 471 */ 472 static int 473 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 474 { 475 struct cd_softc *cd; 476 struct dk_softc *dksc; 477 struct scsipi_periph *periph; 478 int unit, part; 479 int error; 480 481 unit = CDUNIT(dev); 482 cd = device_lookup_private(&cd_cd, unit); 483 if (cd == NULL) 484 return (ENXIO); 485 dksc = &cd->sc_dksc; 486 487 periph = cd->sc_periph; 488 part = CDPART(dev); 489 490 SC_DEBUG(periph, SCSIPI_DB1, 491 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %d)\n", 492 dev, unit, cd_cd.cd_ndevs, CDPART(dev))); 493 494 /* 495 * If any partition is open, but the disk has been invalidated, 496 * disallow further opens of non-raw partition 497 */ 498 if ((periph->periph_flags & (PERIPH_OPEN | PERIPH_MEDIA_LOADED)) == 499 PERIPH_OPEN) { 500 if (part != RAW_PART || fmt != S_IFCHR) 501 return EIO; 502 } 503 504 error = dk_open(dksc, dev, flag, fmt, l); 505 506 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 507 508 return error; 509 } 510 511 /* 512 * Serialized by caller 513 */ 514 static int 515 cd_lastclose(device_t self) 516 { 517 struct cd_softc *cd = device_private(self); 518 struct scsipi_periph *periph = cd->sc_periph; 519 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 520 int silent; 521 522 if (cd->flags & CDF_EJECTED) 523 silent = XS_CTL_SILENT; 524 else 525 silent = 0; 526 527 cdcachesync(periph, silent); 528 529 scsipi_wait_drain(periph); 530 531 scsipi_prevent(periph, SPAMR_ALLOW, 532 XS_CTL_IGNORE_ILLEGAL_REQUEST | 533 XS_CTL_IGNORE_NOT_READY | 534 XS_CTL_SILENT); 535 periph->periph_flags &= ~PERIPH_OPEN; 536 537 scsipi_wait_drain(periph); 538 539 scsipi_adapter_delref(adapt); 540 541 return 0; 542 } 543 544 /* 545 * close the device.. only called if we are the LAST 546 * occurence of an open device 547 */ 548 static int 549 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 550 { 551 struct cd_softc *cd; 552 struct dk_softc *dksc; 553 int unit; 554 555 unit = CDUNIT(dev); 556 cd = device_lookup_private(&cd_cd, unit); 557 dksc = &cd->sc_dksc; 558 559 return dk_close(dksc, dev, flag, fmt, l); 560 } 561 562 static void 563 cd_bounce_buffer_done(struct buf *bp) 564 { 565 struct cdbounce *bounce = bp->b_private; 566 struct buf *obp = bounce->obp; 567 568 if (bp == bounce->lbp) { 569 if ((bounce->lerr = bp->b_error) == 0) 570 memcpy(obp->b_data, (char *)bp->b_data + bounce->head, bounce->lcount); 571 bounce->lbp = NULL; 572 } 573 574 if (bp == bounce->rbp) { 575 if ((bounce->rerr = bp->b_error) == 0) 576 memcpy((char *)obp->b_data + bounce->lcount, bp->b_data, bounce->rcount); 577 bounce->rbp = NULL; 578 } 579 580 free(bp->b_data, M_DEVBUF); 581 putiobuf(bp); 582 583 if (bounce->lbp != NULL || bounce->rbp != NULL) 584 return; 585 586 obp->b_error = bounce->rerr; 587 if (bounce->lerr) 588 obp->b_error = bounce->lerr; 589 590 obp->b_resid = 0; 591 if (obp->b_error) 592 obp->b_resid = obp->b_bcount; 593 594 free(bounce, M_DEVBUF); 595 biodone(obp); 596 } 597 598 static int 599 cd_make_bounce_buffer(struct cd_softc *cd, struct buf *bp, daddr_t blkno, int count, struct buf **nbpp, void *priv) 600 { 601 struct buf *nbp; 602 603 /* We don't support bouncing writes */ 604 if ((bp->b_flags & B_READ) == 0) 605 return EACCES; /* XXX */ 606 607 nbp = getiobuf(NULL, false); 608 if (nbp == NULL) 609 return ENOMEM; 610 611 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 612 if (nbp->b_data == NULL) { 613 putiobuf(nbp); 614 return ENOMEM; 615 } 616 617 /* Set up the IOP to the bounce buffer */ 618 nbp->b_error = 0; 619 nbp->b_dev = bp->b_dev; 620 nbp->b_proc = bp->b_proc; 621 nbp->b_bcount = count; 622 nbp->b_bufsize = count; 623 nbp->b_blkno = blkno; 624 nbp->b_flags = bp->b_flags | B_READ; 625 nbp->b_oflags = bp->b_oflags; 626 nbp->b_cflags = bp->b_cflags; 627 nbp->b_iodone = cd_bounce_buffer_done; 628 nbp->b_private = priv; 629 630 BIO_COPYPRIO(nbp, bp); 631 632 *nbpp = nbp; 633 return 0; 634 } 635 636 static int 637 cd_make_bounce(struct cd_softc *cd, struct buf *bp, struct cdbounce **bouncep) 638 { 639 struct dk_softc *dksc = &cd->sc_dksc; 640 unsigned secsize = dksc->sc_dkdev.dk_geom.dg_secsize; 641 struct cdbounce *bounce; 642 int bps, nblks, skip, total, count; 643 daddr_t blkno; 644 struct buf *lbp, *rbp; 645 int error; 646 647 bounce = malloc(sizeof(struct cdbounce), M_DEVBUF, M_NOWAIT|M_ZERO); 648 if (bounce == NULL) 649 return ENOMEM; 650 651 bps = howmany(secsize, DEV_BSIZE); 652 nblks = howmany(bp->b_bcount, DEV_BSIZE); 653 654 skip = bp->b_blkno % bps; 655 656 blkno = bp->b_blkno - skip; 657 total = roundup(nblks + skip, bps) * DEV_BSIZE; 658 659 count = total; 660 cd_iosize(dksc->sc_dev, &count); 661 662 bounce->head = skip * DEV_BSIZE; 663 bounce->lcount = count - bounce->head; 664 bounce->rcount = bp->b_bcount - bounce->lcount; 665 666 error = cd_make_bounce_buffer(cd, bp, blkno, count, &lbp, bounce); 667 if (error) 668 goto bad; 669 670 blkno += howmany(count, DEV_BSIZE); 671 count = total - count; 672 673 if (count > 0) { 674 bounce->lbp->b_private = bounce; 675 error = cd_make_bounce_buffer(cd, bp, blkno, count, &rbp, bounce); 676 if (error) { 677 putiobuf(bounce->lbp); 678 goto bad; 679 } 680 } else 681 rbp = NULL; 682 683 bounce->obp = bp; 684 bounce->lbp = lbp; 685 bounce->rbp = rbp; 686 687 *bouncep = bounce; 688 689 return 0; 690 691 bad: 692 free(bounce, M_DEVBUF); 693 return error; 694 } 695 696 /* 697 * Actually translate the requested transfer into one the physical driver can 698 * understand. The transfer is described by a buf and will include only one 699 * physical transfer. 700 */ 701 static void 702 cdstrategy(struct buf *bp) 703 { 704 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 705 struct dk_softc *dksc = &cd->sc_dksc; 706 struct scsipi_periph *periph = cd->sc_periph; 707 int error; 708 709 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 710 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 711 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 712 713 /* 714 * If the device has been made invalid, error out 715 * maybe the media changed 716 */ 717 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 718 if (periph->periph_flags & PERIPH_OPEN) 719 error = EIO; 720 else 721 error = ENODEV; 722 goto bad; 723 } 724 725 /* 726 * If label and device don't agree in sector size use a bounce buffer 727 */ 728 if (dksc->sc_dkdev.dk_label->d_secsize != dksc->sc_dkdev.dk_geom.dg_secsize) { 729 struct cdbounce *bounce = NULL; 730 731 error = cd_make_bounce(cd, bp, &bounce); 732 if (error) 733 goto bad; 734 735 dk_strategy(dksc, bounce->lbp); 736 if (bounce->rbp != NULL) 737 dk_strategy(dksc, bounce->rbp); 738 739 return; 740 } 741 742 dk_strategy(dksc, bp); 743 return; 744 745 bad: 746 bp->b_error = error; 747 bp->b_resid = bp->b_bcount; 748 biodone(bp); 749 } 750 751 /* 752 * Issue single I/O command 753 * 754 * Called from dk_start and implicitely from dk_strategy 755 */ 756 static int 757 cd_diskstart(device_t dev, struct buf *bp) 758 { 759 struct cd_softc *cd = device_private(dev); 760 struct scsipi_periph *periph = cd->sc_periph; 761 struct scsipi_channel *chan = periph->periph_channel; 762 struct scsipi_rw_10 cmd_big; 763 struct scsi_rw_6 cmd_small; 764 struct scsipi_generic *cmdp; 765 struct scsipi_xfer *xs; 766 int error, flags, nblks, cmdlen; 767 768 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 769 770 mutex_enter(chan_mtx(chan)); 771 772 if (periph->periph_active >= periph->periph_openings) { 773 error = EAGAIN; 774 goto out; 775 } 776 777 /* 778 * there is excess capacity, but a special waits 779 * It'll need the adapter as soon as we clear out of the 780 * way and let it run (user level wait). 781 */ 782 if (periph->periph_flags & PERIPH_WAITING) { 783 periph->periph_flags &= ~PERIPH_WAITING; 784 cv_broadcast(periph_cv_periph(periph)); 785 error = EAGAIN; 786 goto out; 787 } 788 789 /* 790 * If the device has become invalid, abort all the 791 * reads and writes until all files have been closed and 792 * re-opened 793 */ 794 if (__predict_false( 795 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 796 error = EIO; 797 goto out; 798 } 799 800 nblks = howmany(bp->b_bcount, cd->params.blksize); 801 802 /* 803 * Fill out the scsi command. If the transfer will 804 * fit in a "small" cdb, use it. 805 */ 806 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 807 ((nblks & 0xff) == nblks) && 808 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 809 /* 810 * We can fit in a small cdb. 811 */ 812 memset(&cmd_small, 0, sizeof(cmd_small)); 813 cmd_small.opcode = (bp->b_flags & B_READ) ? 814 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 815 _lto3b(bp->b_rawblkno, cmd_small.addr); 816 cmd_small.length = nblks & 0xff; 817 cmdlen = sizeof(cmd_small); 818 cmdp = (struct scsipi_generic *)&cmd_small; 819 } else { 820 /* 821 * Need a large cdb. 822 */ 823 memset(&cmd_big, 0, sizeof(cmd_big)); 824 cmd_big.opcode = (bp->b_flags & B_READ) ? 825 READ_10 : WRITE_10; 826 _lto4b(bp->b_rawblkno, cmd_big.addr); 827 _lto2b(nblks, cmd_big.length); 828 cmdlen = sizeof(cmd_big); 829 cmdp = (struct scsipi_generic *)&cmd_big; 830 } 831 832 /* 833 * Figure out what flags to use. 834 */ 835 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 836 if (bp->b_flags & B_READ) 837 flags |= XS_CTL_DATA_IN; 838 else 839 flags |= XS_CTL_DATA_OUT; 840 841 /* 842 * Call the routine that chats with the adapter. 843 * Note: we cannot sleep as we may be an interrupt 844 */ 845 xs = scsipi_make_xs_locked(periph, cmdp, cmdlen, 846 (u_char *)bp->b_data, bp->b_bcount, 847 CDRETRIES, 30000, bp, flags); 848 if (__predict_false(xs == NULL)) { 849 /* 850 * out of memory. Keep this buffer in the queue, and 851 * retry later. 852 */ 853 callout_reset(&cd->sc_callout, hz / 2, cdrestart, cd); 854 error = EAGAIN; 855 goto out; 856 } 857 858 error = scsipi_execute_xs(xs); 859 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 860 KASSERT(error == 0); 861 862 out: 863 mutex_exit(chan_mtx(chan)); 864 865 return error; 866 } 867 868 /* 869 * Recover I/O request after memory shortage 870 * 871 * Called from callout 872 */ 873 static void 874 cdrestart(void *v) 875 { 876 struct cd_softc *cd = v; 877 struct dk_softc *dksc = &cd->sc_dksc; 878 879 dk_start(dksc, NULL); 880 } 881 882 /* 883 * Recover I/O request after memory shortage 884 * 885 * Called from scsipi midlayer when resources have been freed 886 * with channel lock held 887 */ 888 static void 889 cdstart(struct scsipi_periph *periph) 890 { 891 struct cd_softc *cd = device_private(periph->periph_dev); 892 struct dk_softc *dksc = &cd->sc_dksc; 893 struct scsipi_channel *chan = periph->periph_channel; 894 895 /* 896 * release channel lock as dk_start may need to acquire 897 * other locks 898 * 899 * cdstart is called from scsipi_put_xs and all its callers 900 * release the lock afterwards. So releasing it here 901 * doesn't matter. 902 */ 903 mutex_exit(chan_mtx(chan)); 904 905 dk_start(dksc, NULL); 906 907 mutex_enter(chan_mtx(chan)); 908 } 909 910 static void 911 cddone(struct scsipi_xfer *xs, int error) 912 { 913 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 914 struct dk_softc *dksc = &cd->sc_dksc; 915 struct buf *bp = xs->bp; 916 917 if (bp) { 918 bp->b_error = error; 919 bp->b_resid = xs->resid; 920 if (error) { 921 /* on a read/write error bp->b_resid is zero, so fix */ 922 bp->b_resid = bp->b_bcount; 923 } 924 925 dk_done(dksc, bp); 926 /* dk_start is called from scsipi_complete */ 927 } 928 } 929 930 static int 931 cd_interpret_sense(struct scsipi_xfer *xs) 932 { 933 struct scsipi_periph *periph = xs->xs_periph; 934 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 935 int retval = EJUSTRETURN; 936 937 /* 938 * If it isn't a extended or extended/deferred error, let 939 * the generic code handle it. 940 */ 941 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 942 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 943 return (retval); 944 945 /* 946 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 947 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 948 * wait a bit for the drive to spin up 949 */ 950 951 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 952 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 953 /* 954 * Sleep for 5 seconds to wait for the drive to spin up 955 */ 956 957 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 958 "spinup\n")); 959 if (!callout_pending(&periph->periph_callout)) 960 scsipi_periph_freeze(periph, 1); 961 callout_reset(&periph->periph_callout, 962 5 * hz, scsipi_periph_timed_thaw, periph); 963 retval = ERESTART; 964 } 965 966 /* 967 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 968 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 969 * then wait for the specified time 970 */ 971 972 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 973 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 974 /* 975 * we could listen to the delay; but it looks like the skey 976 * data is not always returned. 977 */ 978 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 979 980 /* wait for a half second and get going again */ 981 if (!callout_pending(&periph->periph_callout)) 982 scsipi_periph_freeze(periph, 1); 983 callout_reset(&periph->periph_callout, 984 hz/2, scsipi_periph_timed_thaw, periph); 985 retval = ERESTART; 986 } 987 988 /* 989 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 990 * progress" (Sense code 0x04, 0x08), then wait for the specified 991 * time 992 */ 993 994 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 995 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 996 /* 997 * long write in process; we could listen to the delay; but it 998 * looks like the skey data is not always returned. 999 */ 1000 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 1001 1002 /* wait for a half second and get going again */ 1003 if (!callout_pending(&periph->periph_callout)) 1004 scsipi_periph_freeze(periph, 1); 1005 callout_reset(&periph->periph_callout, 1006 hz/2, scsipi_periph_timed_thaw, periph); 1007 retval = ERESTART; 1008 } 1009 1010 return (retval); 1011 } 1012 1013 static void 1014 cdminphys(struct buf *bp) 1015 { 1016 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1017 struct dk_softc *dksc = &cd->sc_dksc; 1018 long xmax; 1019 1020 /* 1021 * If the device is ancient, we want to make sure that 1022 * the transfer fits into a 6-byte cdb. 1023 * 1024 * XXX Note that the SCSI-I spec says that 256-block transfers 1025 * are allowed in a 6-byte read/write, and are specified 1026 * by settng the "length" to 0. However, we're conservative 1027 * here, allowing only 255-block transfers in case an 1028 * ancient device gets confused by length == 0. A length of 0 1029 * in a 10-byte read/write actually means 0 blocks. 1030 */ 1031 if (cd->flags & CDF_ANCIENT) { 1032 xmax = dksc->sc_dkdev.dk_geom.dg_secsize * 0xff; 1033 1034 if (bp->b_bcount > xmax) 1035 bp->b_bcount = xmax; 1036 } 1037 1038 scsipi_adapter_minphys(cd->sc_periph->periph_channel, bp); 1039 } 1040 1041 static void 1042 cd_iosize(device_t dev, int *count) 1043 { 1044 struct buf B; 1045 int bmaj; 1046 1047 bmaj = bdevsw_lookup_major(&cd_bdevsw); 1048 B.b_dev = MAKECDDEV(bmaj,device_unit(dev),RAW_PART); 1049 B.b_bcount = *count; 1050 1051 cdminphys(&B); 1052 1053 *count = B.b_bcount; 1054 } 1055 1056 static int 1057 cdread(dev_t dev, struct uio *uio, int ioflag) 1058 { 1059 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1060 } 1061 1062 static int 1063 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1064 { 1065 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1066 } 1067 1068 #if 0 /* XXX Not used */ 1069 /* 1070 * conversion between minute-seconde-frame and logical block address 1071 * addresses format 1072 */ 1073 static void 1074 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1075 { 1076 u_long tmp; 1077 1078 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1079 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1080 *m = tmp / (CD_SECS * CD_FRAMES); 1081 tmp %= (CD_SECS * CD_FRAMES); 1082 *s = tmp / CD_FRAMES; 1083 *f = tmp % CD_FRAMES; 1084 } 1085 #endif /* XXX Not used */ 1086 1087 /* 1088 * Convert an hour:minute:second:frame address to a logical block adres. In 1089 * theory the number of secs/minute and number of frames/second could be 1090 * configured differently in the device as could the block offset but in 1091 * practice these values are rock solid and most drives don't even allow 1092 * theses values to be changed. 1093 */ 1094 static uint32_t 1095 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1096 { 1097 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1098 - CD_BLOCK_OFFSET; 1099 } 1100 1101 static int 1102 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1103 { 1104 struct scsipi_periph *periph = cd->sc_periph; 1105 int error; 1106 struct cd_toc_entry *cte; 1107 1108 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1109 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1110 0, 0x40 /* control word for "get MS info" */); 1111 1112 if (error) 1113 return (error); 1114 1115 cte = &toc->entries[0]; 1116 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1117 cte->addr.lba = le32toh(cte->addr.lba); 1118 toc->header.len = le16toh(toc->header.len); 1119 } else { 1120 cte->addr.lba = be32toh(cte->addr.lba); 1121 toc->header.len = be16toh(toc->header.len); 1122 } 1123 1124 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1125 cte->addr.lba : 0; 1126 return 0; 1127 } 1128 1129 /* synchronise caches code from cd.c, move to scsipi_ioctl.c ? */ 1130 static int 1131 cdcachesync(struct scsipi_periph *periph, int flags) { 1132 struct scsi_synchronize_cache_10 cmd; 1133 1134 /* 1135 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1136 * and length 0 as it can't synchronise parts of the disc per spec. 1137 * We ignore ILLEGAL REQUEST in the event that the command is not 1138 * supported by the device, and poll for completion so that we know 1139 * that the cache has actually been flushed. 1140 * 1141 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1142 */ 1143 1144 memset(&cmd, 0, sizeof(cmd)); 1145 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1146 1147 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1148 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1149 } 1150 1151 static int 1152 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1153 struct cd_formatted_toc *toc) 1154 { 1155 /* READ TOC format 0 command, entries */ 1156 struct ioc_toc_header *th; 1157 struct cd_toc_entry *cte; 1158 u_int len = te->data_len; 1159 int ntracks; 1160 int error; 1161 1162 th = &toc->header; 1163 1164 if (len > sizeof(toc->entries) || 1165 len < sizeof(toc->entries[0])) 1166 return (EINVAL); 1167 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1168 te->starting_track, toc, 1169 sizeof(toc->header) + len, 1170 0, 0); 1171 if (error) 1172 return (error); 1173 if (te->address_format == CD_LBA_FORMAT) 1174 for (ntracks = 1175 th->ending_track - th->starting_track + 1; 1176 ntracks >= 0; ntracks--) { 1177 cte = &toc->entries[ntracks]; 1178 cte->addr_type = CD_LBA_FORMAT; 1179 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1180 cte->addr.lba = le32toh(cte->addr.lba); 1181 else 1182 cte->addr.lba = be32toh(cte->addr.lba); 1183 } 1184 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1185 th->len = le16toh(th->len); 1186 else 1187 th->len = be16toh(th->len); 1188 return 0; 1189 } 1190 1191 /* 1192 * Perform special action on behalf of the user. 1193 * Knows about the internals of this device 1194 */ 1195 static int 1196 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1197 { 1198 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1199 struct dk_softc *dksc = &cd->sc_dksc; 1200 struct scsipi_periph *periph = cd->sc_periph; 1201 struct cd_formatted_toc toc; 1202 int part = CDPART(dev); 1203 int error; 1204 1205 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1206 1207 /* 1208 * If the device is not valid, some IOCTLs can still be 1209 * handled on the raw partition. Check this here. 1210 */ 1211 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 1212 part != RAW_PART) 1213 return (EIO); 1214 1215 switch (cmd) { 1216 case CDIOCPLAYTRACKS: { 1217 /* PLAY_MSF command */ 1218 struct ioc_play_track *args = addr; 1219 1220 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1221 return (error); 1222 return (cd_play_tracks(cd, &toc, args->start_track, 1223 args->start_index, args->end_track, args->end_index)); 1224 } 1225 case CDIOCPLAYMSF: { 1226 /* PLAY_MSF command */ 1227 struct ioc_play_msf *args = addr; 1228 1229 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1230 return (error); 1231 return (cd_play_msf(cd, args->start_m, args->start_s, 1232 args->start_f, args->end_m, args->end_s, args->end_f)); 1233 } 1234 case CDIOCPLAYBLOCKS: { 1235 /* PLAY command */ 1236 struct ioc_play_blocks *args = addr; 1237 1238 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1239 return (error); 1240 return (cd_play(cd, args->blk, args->len)); 1241 } 1242 case CDIOCREADSUBCHANNEL: { 1243 /* READ_SUBCHANNEL command */ 1244 struct ioc_read_subchannel *args = addr; 1245 struct cd_sub_channel_info data; 1246 u_int len = args->data_len; 1247 1248 if (len > sizeof(data) || 1249 len < sizeof(struct cd_sub_channel_header)) 1250 return (EINVAL); 1251 error = cd_read_subchannel(cd, args->address_format, 1252 args->data_format, args->track, &data, len, 0); 1253 if (error) 1254 return (error); 1255 len = uimin(len, _2btol(data.header.data_len) + 1256 sizeof(struct cd_sub_channel_header)); 1257 return (copyout(&data, args->data, len)); 1258 } 1259 case CDIOCREADSUBCHANNEL_BUF: { 1260 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1261 struct ioc_read_subchannel_buf *args = addr; 1262 if (args->req.data_len != sizeof args->info) 1263 return EINVAL; 1264 return cd_read_subchannel(cd, args->req.address_format, 1265 args->req.data_format, args->req.track, &args->info, 1266 sizeof(args->info), 0); 1267 } 1268 case CDIOREADTOCHEADER: { 1269 /* READ TOC format 0 command, static header */ 1270 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1271 &toc, sizeof(toc.header), 0, 0)) != 0) 1272 return (error); 1273 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1274 toc.header.len = le16toh(toc.header.len); 1275 else 1276 toc.header.len = be16toh(toc.header.len); 1277 memcpy(addr, &toc.header, sizeof(toc.header)); 1278 return (0); 1279 } 1280 case CDIOREADTOCENTRYS: { 1281 struct ioc_read_toc_entry *te = addr; 1282 error = do_cdioreadentries(cd, te, &toc); 1283 if (error != 0) 1284 return error; 1285 return copyout(toc.entries, te->data, uimin(te->data_len, 1286 toc.header.len - (sizeof(toc.header.starting_track) 1287 + sizeof(toc.header.ending_track)))); 1288 } 1289 case CDIOREADTOCENTRIES_BUF: { 1290 struct ioc_read_toc_entry_buf *te = addr; 1291 error = do_cdioreadentries(cd, &te->req, &toc); 1292 if (error != 0) 1293 return error; 1294 memcpy(te->entry, toc.entries, uimin(te->req.data_len, 1295 toc.header.len - (sizeof(toc.header.starting_track) 1296 + sizeof(toc.header.ending_track)))); 1297 return 0; 1298 } 1299 case CDIOREADMSADDR: { 1300 /* READ TOC format 0 command, length of first track only */ 1301 int sessno = *(int*)addr; 1302 1303 if (sessno != 0) 1304 return (EINVAL); 1305 1306 return (cdreadmsaddr(cd, &toc, addr)); 1307 } 1308 case CDIOCSETPATCH: { 1309 struct ioc_patch *arg = addr; 1310 1311 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1312 arg->patch[2], arg->patch[3], 0)); 1313 } 1314 case CDIOCGETVOL: { 1315 /* MODE SENSE command (AUDIO page) */ 1316 struct ioc_vol *arg = addr; 1317 1318 return (cd_getvol(cd, arg, 0)); 1319 } 1320 case CDIOCSETVOL: { 1321 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1322 struct ioc_vol *arg = addr; 1323 1324 return (cd_setvol(cd, arg, 0)); 1325 } 1326 case CDIOCSETMONO: 1327 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1328 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1329 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1330 1331 case CDIOCSETSTEREO: 1332 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1333 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1334 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1335 1336 case CDIOCSETMUTE: 1337 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1338 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1339 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1340 1341 case CDIOCSETLEFT: 1342 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1343 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1344 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1345 1346 case CDIOCSETRIGHT: 1347 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1348 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1349 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1350 1351 case CDIOCRESUME: 1352 /* PAUSE command */ 1353 return (cd_pause(cd, PA_RESUME)); 1354 case CDIOCPAUSE: 1355 /* PAUSE command */ 1356 return (cd_pause(cd, PA_PAUSE)); 1357 case CDIOCSTART: 1358 return (scsipi_start(periph, SSS_START, 0)); 1359 case CDIOCSTOP: 1360 return (scsipi_start(periph, SSS_STOP, 0)); 1361 case CDIOCCLOSE: 1362 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1363 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1364 case DIOCEJECT: 1365 if (*(int *)addr == 0) { 1366 int pmask = 1 << part; 1367 /* 1368 * Don't force eject: check that we are the only 1369 * partition open. If so, unlock it. 1370 */ 1371 if (DK_BUSY(dksc, pmask) == 0) { 1372 error = scsipi_prevent(periph, SPAMR_ALLOW, 1373 XS_CTL_IGNORE_NOT_READY); 1374 if (error) 1375 return (error); 1376 } else { 1377 return (EBUSY); 1378 } 1379 } 1380 /* FALLTHROUGH */ 1381 case CDIOCEJECT: /* FALLTHROUGH */ 1382 case ODIOCEJECT: 1383 error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0); 1384 if (error == 0) 1385 /* Make sure cdclose() will do silent operations */ 1386 cd->flags |= CDF_EJECTED; 1387 return error; 1388 case DIOCCACHESYNC: 1389 /* SYNCHRONISE CACHES command */ 1390 return (cdcachesync(periph, 0)); 1391 case CDIOCALLOW: 1392 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1393 case CDIOCPREVENT: 1394 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1395 case DIOCLOCK: 1396 return (scsipi_prevent(periph, 1397 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1398 case CDIOCSETDEBUG: 1399 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1400 return (0); 1401 case CDIOCCLRDEBUG: 1402 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1403 return (0); 1404 case CDIOCRESET: 1405 case SCIOCRESET: 1406 return (cd_reset(cd)); 1407 case CDIOCLOADUNLOAD: 1408 /* LOAD_UNLOAD command */ 1409 return (cd_load_unload(cd, addr)); 1410 case DVD_AUTH: 1411 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1412 return (dvd_auth(cd, addr)); 1413 case DVD_READ_STRUCT: 1414 /* GPCMD_READ_DVD_STRUCTURE command */ 1415 return (dvd_read_struct(cd, addr)); 1416 case MMCGETDISCINFO: 1417 /* 1418 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1419 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1420 */ 1421 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1422 case MMCGETTRACKINFO: 1423 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1424 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1425 case MMCOP: 1426 /* 1427 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1428 * SYNCHRONISE_CACHE commands 1429 */ 1430 return mmc_do_op(periph, (struct mmc_op *) addr); 1431 case MMCSETUPWRITEPARAMS : 1432 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1433 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1434 default: 1435 error = dk_ioctl(dksc, dev, cmd, addr, flag, l); 1436 if (error == ENOTTY) 1437 error = scsipi_do_ioctl(periph, dev, cmd, addr, flag, l); 1438 return (error); 1439 } 1440 1441 #ifdef DIAGNOSTIC 1442 panic("cdioctl: impossible"); 1443 #endif 1444 } 1445 1446 static void 1447 cd_label(device_t self, struct disklabel *lp) 1448 { 1449 struct cd_softc *cd = device_private(self); 1450 struct cd_formatted_toc toc; 1451 int lastsession; 1452 1453 strncpy(lp->d_typename, "optical media", 16); 1454 lp->d_rpm = 300; 1455 lp->d_flags |= D_REMOVABLE | D_SCSI_MMC; 1456 1457 if (cdreadmsaddr(cd, &toc, &lastsession) != 0) 1458 lastsession = 0; 1459 1460 lp->d_partitions[0].p_offset = 0; 1461 lp->d_partitions[0].p_size = lp->d_secperunit; 1462 lp->d_partitions[0].p_cdsession = lastsession; 1463 lp->d_partitions[0].p_fstype = FS_ISO9660; 1464 1465 lp->d_partitions[RAW_PART].p_offset = 0; 1466 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1467 lp->d_partitions[RAW_PART].p_fstype = FS_UDF; 1468 } 1469 1470 /* 1471 * Reading a disc's total capacity is apparently a very difficult issue for the 1472 * SCSI standardisation group. Every disc type seems to have its own 1473 * (re)invented size request method and modifiers. The failsafe way of 1474 * determining the total (max) capacity i.e. not the recorded capacity but the 1475 * total maximum capacity is to request the info on the last track and 1476 * calculate the last lba. 1477 * 1478 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1479 * we count. 1480 */ 1481 static int 1482 read_cd_capacity(struct scsipi_periph *periph, uint32_t *blksize, u_long *last_lba) 1483 { 1484 struct scsipi_read_cd_capacity cap_cmd; 1485 /* 1486 * XXX: see PR 48550 and PR 48754: 1487 * the ahcisata(4) driver can not deal with unaligned 1488 * data, so align this "a bit" 1489 */ 1490 struct scsipi_read_cd_cap_data cap __aligned(2); 1491 struct scsipi_read_discinfo di_cmd; 1492 struct scsipi_read_discinfo_data di __aligned(2); 1493 struct scsipi_read_trackinfo ti_cmd; 1494 struct scsipi_read_trackinfo_data ti __aligned(2); 1495 uint32_t track_start, track_size; 1496 int error, flags, msb, lsb, last_track; 1497 1498 /* if the device doesn't grok capacity, return the dummies */ 1499 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1500 return 0; 1501 1502 /* first try read CD capacity for blksize and last recorded lba */ 1503 /* issue the cd capacity request */ 1504 flags = XS_CTL_DATA_IN; 1505 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1506 memset(&cap, 0, sizeof(cap)); 1507 cap_cmd.opcode = READ_CD_CAPACITY; 1508 1509 error = scsipi_command(periph, 1510 (void *) &cap_cmd, sizeof(cap_cmd), 1511 (void *) &cap, sizeof(cap), 1512 CDRETRIES, 30000, NULL, flags); 1513 if (error) 1514 return error; 1515 1516 /* retrieve values and sanity check them */ 1517 *blksize = _4btol(cap.length); 1518 *last_lba = _4btol(cap.addr); 1519 1520 /* blksize is 2048 for CD, but some drives give gibberish */ 1521 if ((*blksize < 512) || ((*blksize & 511) != 0) 1522 || (*blksize > 16*1024)) { 1523 if (*blksize > 16*1024) 1524 aprint_error("read_cd_capacity: extra large block " 1525 "size %u found - limiting to 2kByte\n", 1526 *blksize); 1527 *blksize = 2048; /* some drives lie ! */ 1528 } 1529 1530 /* recordables have READ_DISCINFO implemented */ 1531 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1532 memset(&di_cmd, 0, sizeof(di_cmd)); 1533 di_cmd.opcode = READ_DISCINFO; 1534 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1535 1536 error = scsipi_command(periph, 1537 (void *) &di_cmd, sizeof(di_cmd), 1538 (void *) &di, READ_DISCINFO_BIGSIZE, 1539 CDRETRIES, 30000, NULL, flags); 1540 if (error == 0) { 1541 msb = di.last_track_last_session_msb; 1542 lsb = di.last_track_last_session_lsb; 1543 last_track = (msb << 8) | lsb; 1544 1545 /* request info on last track */ 1546 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1547 ti_cmd.opcode = READ_TRACKINFO; 1548 ti_cmd.addr_type = 1; /* on tracknr */ 1549 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1550 _lto2b(sizeof(ti), ti_cmd.data_len); 1551 1552 error = scsipi_command(periph, 1553 (void *) &ti_cmd, sizeof(ti_cmd), 1554 (void *) &ti, sizeof(ti), 1555 CDRETRIES, 30000, NULL, flags); 1556 if (error == 0) { 1557 track_start = _4btol(ti.track_start); 1558 track_size = _4btol(ti.track_size); 1559 1560 /* overwrite only with a sane value */ 1561 if (track_start + track_size >= 100) 1562 *last_lba = (u_long) track_start + track_size -1; 1563 } 1564 } 1565 1566 /* sanity check for lba_size */ 1567 if (*last_lba < 100) 1568 *last_lba = 400000-1; 1569 1570 return 0; 1571 } 1572 1573 /* 1574 * Find out from the device what its capacity is 1575 */ 1576 static u_long 1577 cd_size(struct cd_softc *cd, int flags) 1578 { 1579 uint32_t blksize = 2048; 1580 u_long last_lba = 0, size; 1581 int error; 1582 1583 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); 1584 if (error) 1585 goto error; 1586 1587 if (blksize != 2048) { 1588 if (cd_setblksize(cd) == 0) { 1589 blksize = 2048; 1590 error = read_cd_capacity(cd->sc_periph, 1591 &blksize, &last_lba); 1592 if (error) 1593 goto error; 1594 } 1595 } 1596 1597 size = last_lba + 1; 1598 cd->params.blksize = blksize; 1599 cd->params.disksize = size; 1600 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1601 1602 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1603 ("cd_size: %u %lu\n", blksize, size)); 1604 1605 return size; 1606 1607 error: 1608 /* something went wrong */ 1609 cd->params.blksize = 2048; 1610 cd->params.disksize = 0; 1611 cd->params.disksize512 = 0; 1612 1613 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); 1614 1615 return 0; 1616 } 1617 1618 /* 1619 * Get scsi driver to send a "start playing" command 1620 */ 1621 static int 1622 cd_play(struct cd_softc *cd, int blkno, int nblks) 1623 { 1624 struct scsipi_play cmd; 1625 1626 memset(&cmd, 0, sizeof(cmd)); 1627 cmd.opcode = PLAY; 1628 _lto4b(blkno, cmd.blk_addr); 1629 _lto2b(nblks, cmd.xfer_len); 1630 1631 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1632 CDRETRIES, 30000, NULL, 0)); 1633 } 1634 1635 /* 1636 * Get scsi driver to send a "start playing" command 1637 */ 1638 static int 1639 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1640 int sindex, int etrack, int eindex) 1641 { 1642 int error; 1643 1644 if (!etrack) 1645 return (EIO); 1646 if (strack > etrack) 1647 return (EINVAL); 1648 1649 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1650 if (error) 1651 return (error); 1652 1653 if (++etrack > (toc->header.ending_track+1)) 1654 etrack = toc->header.ending_track+1; 1655 1656 strack -= toc->header.starting_track; 1657 etrack -= toc->header.starting_track; 1658 if (strack < 0) 1659 return (EINVAL); 1660 1661 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1662 toc->entries[strack].addr.msf.second, 1663 toc->entries[strack].addr.msf.frame, 1664 toc->entries[etrack].addr.msf.minute, 1665 toc->entries[etrack].addr.msf.second, 1666 toc->entries[etrack].addr.msf.frame)); 1667 } 1668 1669 /* 1670 * Get scsi driver to send a "play msf" command 1671 */ 1672 static int 1673 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1674 int ends, int endf) 1675 { 1676 struct scsipi_play_msf cmd; 1677 1678 memset(&cmd, 0, sizeof(cmd)); 1679 cmd.opcode = PLAY_MSF; 1680 cmd.start_m = startm; 1681 cmd.start_s = starts; 1682 cmd.start_f = startf; 1683 cmd.end_m = endm; 1684 cmd.end_s = ends; 1685 cmd.end_f = endf; 1686 1687 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1688 CDRETRIES, 30000, NULL, 0)); 1689 } 1690 1691 /* 1692 * Get scsi driver to send a "start up" command 1693 */ 1694 static int 1695 cd_pause(struct cd_softc *cd, int go) 1696 { 1697 struct scsipi_pause cmd; 1698 1699 memset(&cmd, 0, sizeof(cmd)); 1700 cmd.opcode = PAUSE; 1701 cmd.resume = go & 0xff; 1702 1703 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1704 CDRETRIES, 30000, NULL, 0)); 1705 } 1706 1707 /* 1708 * Get scsi driver to send a "RESET" command 1709 */ 1710 static int 1711 cd_reset(struct cd_softc *cd) 1712 { 1713 1714 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1715 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1716 } 1717 1718 /* 1719 * Read subchannel 1720 */ 1721 static int 1722 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1723 struct cd_sub_channel_info *data, int len, int flags) 1724 { 1725 struct scsipi_read_subchannel cmd; 1726 1727 memset(&cmd, 0, sizeof(cmd)); 1728 cmd.opcode = READ_SUBCHANNEL; 1729 if (mode == CD_MSF_FORMAT) 1730 cmd.byte2 |= CD_MSF; 1731 cmd.byte3 = SRS_SUBQ; 1732 cmd.subchan_format = format; 1733 cmd.track = track; 1734 _lto2b(len, cmd.data_len); 1735 1736 return (scsipi_command(cd->sc_periph, 1737 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1738 (void *)data, len, 1739 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1740 } 1741 1742 /* 1743 * Read table of contents 1744 */ 1745 static int 1746 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1747 struct cd_formatted_toc *toc, int len, int flags, int control) 1748 { 1749 struct scsipi_read_toc cmd; 1750 int ntoc; 1751 1752 memset(&cmd, 0, sizeof(cmd)); 1753 #if 0 1754 if (len != sizeof(struct ioc_toc_header)) 1755 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1756 sizeof(struct cd_toc_entry); 1757 else 1758 #endif 1759 ntoc = len; 1760 cmd.opcode = READ_TOC; 1761 if (mode == CD_MSF_FORMAT) 1762 cmd.addr_mode |= CD_MSF; 1763 cmd.resp_format = respf; 1764 cmd.from_track = start; 1765 _lto2b(ntoc, cmd.data_len); 1766 cmd.control = control; 1767 1768 return (scsipi_command(cd->sc_periph, 1769 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 1770 30000, NULL, flags | XS_CTL_DATA_IN)); 1771 } 1772 1773 static int 1774 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1775 { 1776 int ntracks, len, error; 1777 1778 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1779 flags, 0)) != 0) 1780 return (error); 1781 1782 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1783 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1784 sizeof(toc->header); 1785 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1786 flags, 0)) != 0) 1787 return (error); 1788 return (0); 1789 } 1790 1791 /* 1792 * Get the scsi driver to send a full inquiry to the device and use the 1793 * results to fill out the disk parameter structure. 1794 */ 1795 static int 1796 cd_get_parms(struct cd_softc *cd, int flags) 1797 { 1798 1799 /* 1800 * give a number of sectors so that sec * trks * cyls 1801 * is <= disk_size 1802 */ 1803 if (cd_size(cd, flags) == 0) 1804 return (ENXIO); 1805 return (0); 1806 } 1807 1808 static int 1809 cdsize(dev_t dev) 1810 { 1811 1812 /* CD-ROMs are read-only. */ 1813 return (-1); 1814 } 1815 1816 static int 1817 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1818 { 1819 1820 /* Not implemented. */ 1821 return (ENXIO); 1822 } 1823 1824 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1825 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1826 1827 static int 1828 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 1829 { 1830 struct scsipi_generic cmd; 1831 u_int8_t bf[20]; 1832 int error; 1833 1834 memset(cmd.bytes, 0, 15); 1835 memset(bf, 0, sizeof(bf)); 1836 1837 switch (a->type) { 1838 case DVD_LU_SEND_AGID: 1839 cmd.opcode = GPCMD_REPORT_KEY; 1840 cmd.bytes[8] = 8; 1841 cmd.bytes[9] = 0 | (0 << 6); 1842 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1843 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1844 if (error) 1845 return (error); 1846 a->lsa.agid = bf[7] >> 6; 1847 return (0); 1848 1849 case DVD_LU_SEND_CHALLENGE: 1850 cmd.opcode = GPCMD_REPORT_KEY; 1851 cmd.bytes[8] = 16; 1852 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1853 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1854 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1855 if (error) 1856 return (error); 1857 dvd_copy_challenge(a->lsc.chal, &bf[4]); 1858 return (0); 1859 1860 case DVD_LU_SEND_KEY1: 1861 cmd.opcode = GPCMD_REPORT_KEY; 1862 cmd.bytes[8] = 12; 1863 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 1864 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1865 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1866 if (error) 1867 return (error); 1868 dvd_copy_key(a->lsk.key, &bf[4]); 1869 return (0); 1870 1871 case DVD_LU_SEND_TITLE_KEY: 1872 cmd.opcode = GPCMD_REPORT_KEY; 1873 _lto4b(a->lstk.lba, &cmd.bytes[1]); 1874 cmd.bytes[8] = 12; 1875 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 1876 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1877 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1878 if (error) 1879 return (error); 1880 a->lstk.cpm = (bf[4] >> 7) & 1; 1881 a->lstk.cp_sec = (bf[4] >> 6) & 1; 1882 a->lstk.cgms = (bf[4] >> 4) & 3; 1883 dvd_copy_key(a->lstk.title_key, &bf[5]); 1884 return (0); 1885 1886 case DVD_LU_SEND_ASF: 1887 cmd.opcode = GPCMD_REPORT_KEY; 1888 cmd.bytes[8] = 8; 1889 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 1890 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1891 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1892 if (error) 1893 return (error); 1894 a->lsasf.asf = bf[7] & 1; 1895 return (0); 1896 1897 case DVD_HOST_SEND_CHALLENGE: 1898 cmd.opcode = GPCMD_SEND_KEY; 1899 cmd.bytes[8] = 16; 1900 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 1901 bf[1] = 14; 1902 dvd_copy_challenge(&bf[4], a->hsc.chal); 1903 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1904 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1905 if (error) 1906 return (error); 1907 a->type = DVD_LU_SEND_KEY1; 1908 return (0); 1909 1910 case DVD_HOST_SEND_KEY2: 1911 cmd.opcode = GPCMD_SEND_KEY; 1912 cmd.bytes[8] = 12; 1913 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 1914 bf[1] = 10; 1915 dvd_copy_key(&bf[4], a->hsk.key); 1916 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1917 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1918 if (error) { 1919 a->type = DVD_AUTH_FAILURE; 1920 return (error); 1921 } 1922 a->type = DVD_AUTH_ESTABLISHED; 1923 return (0); 1924 1925 case DVD_INVALIDATE_AGID: 1926 cmd.opcode = GPCMD_REPORT_KEY; 1927 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 1928 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1929 CDRETRIES, 30000, NULL, 0); 1930 if (error) 1931 return (error); 1932 return (0); 1933 1934 case DVD_LU_SEND_RPC_STATE: 1935 cmd.opcode = GPCMD_REPORT_KEY; 1936 cmd.bytes[8] = 8; 1937 cmd.bytes[9] = 8 | (0 << 6); 1938 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1939 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1940 if (error) 1941 return (error); 1942 a->lrpcs.type = (bf[4] >> 6) & 3; 1943 a->lrpcs.vra = (bf[4] >> 3) & 7; 1944 a->lrpcs.ucca = (bf[4]) & 7; 1945 a->lrpcs.region_mask = bf[5]; 1946 a->lrpcs.rpc_scheme = bf[6]; 1947 return (0); 1948 1949 case DVD_HOST_SEND_RPC_STATE: 1950 cmd.opcode = GPCMD_SEND_KEY; 1951 cmd.bytes[8] = 8; 1952 cmd.bytes[9] = 6 | (0 << 6); 1953 bf[1] = 6; 1954 bf[4] = a->hrpcs.pdrc; 1955 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1956 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1957 if (error) 1958 return (error); 1959 return (0); 1960 1961 default: 1962 return (ENOTTY); 1963 } 1964 } 1965 1966 static int 1967 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 1968 { 1969 struct scsipi_generic cmd; 1970 u_int8_t bf[4 + 4 * 20], *bufp; 1971 int error; 1972 struct dvd_layer *layer; 1973 int i; 1974 1975 memset(cmd.bytes, 0, 15); 1976 memset(bf, 0, sizeof(bf)); 1977 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 1978 cmd.bytes[6] = s->type; 1979 _lto2b(sizeof(bf), &cmd.bytes[7]); 1980 1981 cmd.bytes[5] = s->physical.layer_num; 1982 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 1983 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1984 if (error) 1985 return (error); 1986 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 1987 i++, bufp += 20, layer++) { 1988 memset(layer, 0, sizeof(*layer)); 1989 layer->book_version = bufp[0] & 0xf; 1990 layer->book_type = bufp[0] >> 4; 1991 layer->min_rate = bufp[1] & 0xf; 1992 layer->disc_size = bufp[1] >> 4; 1993 layer->layer_type = bufp[2] & 0xf; 1994 layer->track_path = (bufp[2] >> 4) & 1; 1995 layer->nlayers = (bufp[2] >> 5) & 3; 1996 layer->track_density = bufp[3] & 0xf; 1997 layer->linear_density = bufp[3] >> 4; 1998 layer->start_sector = _4btol(&bufp[4]); 1999 layer->end_sector = _4btol(&bufp[8]); 2000 layer->end_sector_l0 = _4btol(&bufp[12]); 2001 layer->bca = bufp[16] >> 7; 2002 } 2003 return (0); 2004 } 2005 2006 static int 2007 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2008 { 2009 struct scsipi_generic cmd; 2010 u_int8_t bf[8]; 2011 int error; 2012 2013 memset(cmd.bytes, 0, 15); 2014 memset(bf, 0, sizeof(bf)); 2015 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2016 cmd.bytes[6] = s->type; 2017 _lto2b(sizeof(bf), &cmd.bytes[7]); 2018 2019 cmd.bytes[5] = s->copyright.layer_num; 2020 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2021 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2022 if (error) 2023 return (error); 2024 s->copyright.cpst = bf[4]; 2025 s->copyright.rmi = bf[5]; 2026 return (0); 2027 } 2028 2029 static int 2030 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2031 { 2032 struct scsipi_generic cmd; 2033 u_int8_t *bf; 2034 int error; 2035 2036 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2037 if (bf == NULL) 2038 return EIO; 2039 memset(cmd.bytes, 0, 15); 2040 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2041 cmd.bytes[6] = s->type; 2042 _lto2b(4 + 2048, &cmd.bytes[7]); 2043 2044 cmd.bytes[9] = s->disckey.agid << 6; 2045 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2046 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2047 if (error == 0) 2048 memcpy(s->disckey.value, &bf[4], 2048); 2049 free(bf, M_TEMP); 2050 return error; 2051 } 2052 2053 static int 2054 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2055 { 2056 struct scsipi_generic cmd; 2057 u_int8_t bf[4 + 188]; 2058 int error; 2059 2060 memset(cmd.bytes, 0, 15); 2061 memset(bf, 0, sizeof(bf)); 2062 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2063 cmd.bytes[6] = s->type; 2064 _lto2b(sizeof(bf), &cmd.bytes[7]); 2065 2066 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2067 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2068 if (error) 2069 return (error); 2070 s->bca.len = _2btol(&bf[0]); 2071 if (s->bca.len < 12 || s->bca.len > 188) 2072 return (EIO); 2073 memcpy(s->bca.value, &bf[4], s->bca.len); 2074 return (0); 2075 } 2076 2077 static int 2078 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2079 { 2080 struct scsipi_generic cmd; 2081 u_int8_t *bf; 2082 int error; 2083 2084 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2085 if (bf == NULL) 2086 return (EIO); 2087 memset(cmd.bytes, 0, 15); 2088 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2089 cmd.bytes[6] = s->type; 2090 _lto2b(4 + 2048, &cmd.bytes[7]); 2091 2092 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2093 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2094 if (error == 0) { 2095 s->manufact.len = _2btol(&bf[0]); 2096 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2097 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2098 else 2099 error = EIO; 2100 } 2101 free(bf, M_TEMP); 2102 return error; 2103 } 2104 2105 static int 2106 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2107 { 2108 2109 switch (s->type) { 2110 case DVD_STRUCT_PHYSICAL: 2111 return (dvd_read_physical(cd, s)); 2112 case DVD_STRUCT_COPYRIGHT: 2113 return (dvd_read_copyright(cd, s)); 2114 case DVD_STRUCT_DISCKEY: 2115 return (dvd_read_disckey(cd, s)); 2116 case DVD_STRUCT_BCA: 2117 return (dvd_read_bca(cd, s)); 2118 case DVD_STRUCT_MANUFACT: 2119 return (dvd_read_manufact(cd, s)); 2120 default: 2121 return (EINVAL); 2122 } 2123 } 2124 2125 static int 2126 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2127 int page, int flags, int *big) 2128 { 2129 2130 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2131 *big = 1; 2132 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2133 size + sizeof(struct scsi_mode_parameter_header_10), 2134 flags, CDRETRIES, 20000); 2135 } else { 2136 *big = 0; 2137 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2138 size + sizeof(struct scsi_mode_parameter_header_6), 2139 flags, CDRETRIES, 20000); 2140 } 2141 } 2142 2143 static int 2144 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2145 int flags, int big) 2146 { 2147 2148 if (big) { 2149 struct scsi_mode_parameter_header_10 *header = sense; 2150 2151 _lto2b(0, header->data_length); 2152 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2153 size + sizeof(struct scsi_mode_parameter_header_10), 2154 flags, CDRETRIES, 20000); 2155 } else { 2156 struct scsi_mode_parameter_header_6 *header = sense; 2157 2158 header->data_length = 0; 2159 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2160 size + sizeof(struct scsi_mode_parameter_header_6), 2161 flags, CDRETRIES, 20000); 2162 } 2163 } 2164 2165 static int 2166 cd_set_pa_immed(struct cd_softc *cd, int flags) 2167 { 2168 struct { 2169 union { 2170 struct scsi_mode_parameter_header_6 small; 2171 struct scsi_mode_parameter_header_10 big; 2172 } header; 2173 struct cd_audio_page page; 2174 } data; 2175 int error; 2176 uint8_t oflags; 2177 int big, byte2; 2178 struct cd_audio_page *page; 2179 2180 byte2 = SMS_DBD; 2181 try_again: 2182 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2183 AUDIO_PAGE, flags, &big)) != 0) { 2184 if (byte2 == SMS_DBD) { 2185 /* Device may not understand DBD; retry without */ 2186 byte2 = 0; 2187 goto try_again; 2188 } 2189 return (error); 2190 } 2191 2192 if (big) 2193 page = (void *)((u_long)&data.header.big + 2194 sizeof data.header.big + 2195 _2btol(data.header.big.blk_desc_len)); 2196 else 2197 page = (void *)((u_long)&data.header.small + 2198 sizeof data.header.small + 2199 data.header.small.blk_desc_len); 2200 2201 oflags = page->flags; 2202 page->flags &= ~CD_PA_SOTC; 2203 page->flags |= CD_PA_IMMED; 2204 if (oflags == page->flags) 2205 return (0); 2206 2207 return (cd_mode_select(cd, SMS_PF, &data, 2208 sizeof(struct scsi_mode_page_header) + page->pg_length, 2209 flags, big)); 2210 } 2211 2212 static int 2213 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2214 { 2215 struct { 2216 union { 2217 struct scsi_mode_parameter_header_6 small; 2218 struct scsi_mode_parameter_header_10 big; 2219 } header; 2220 struct cd_audio_page page; 2221 } data; 2222 int error; 2223 int big, byte2; 2224 struct cd_audio_page *page; 2225 2226 byte2 = SMS_DBD; 2227 try_again: 2228 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2229 AUDIO_PAGE, flags, &big)) != 0) { 2230 if (byte2 == SMS_DBD) { 2231 /* Device may not understand DBD; retry without */ 2232 byte2 = 0; 2233 goto try_again; 2234 } 2235 return (error); 2236 } 2237 2238 if (big) 2239 page = (void *)((u_long)&data.header.big + 2240 sizeof data.header.big + 2241 _2btol(data.header.big.blk_desc_len)); 2242 else 2243 page = (void *)((u_long)&data.header.small + 2244 sizeof data.header.small + 2245 data.header.small.blk_desc_len); 2246 2247 page->port[0].channels = p0; 2248 page->port[1].channels = p1; 2249 page->port[2].channels = p2; 2250 page->port[3].channels = p3; 2251 2252 return (cd_mode_select(cd, SMS_PF, &data, 2253 sizeof(struct scsi_mode_page_header) + page->pg_length, 2254 flags, big)); 2255 } 2256 2257 static int 2258 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2259 { 2260 struct { 2261 union { 2262 struct scsi_mode_parameter_header_6 small; 2263 struct scsi_mode_parameter_header_10 big; 2264 } header; 2265 struct cd_audio_page page; 2266 } data; 2267 int error; 2268 int big, byte2; 2269 struct cd_audio_page *page; 2270 2271 byte2 = SMS_DBD; 2272 try_again: 2273 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2274 AUDIO_PAGE, flags, &big)) != 0) { 2275 if (byte2 == SMS_DBD) { 2276 /* Device may not understand DBD; retry without */ 2277 byte2 = 0; 2278 goto try_again; 2279 } 2280 return (error); 2281 } 2282 2283 if (big) 2284 page = (void *)((u_long)&data.header.big + 2285 sizeof data.header.big + 2286 _2btol(data.header.big.blk_desc_len)); 2287 else 2288 page = (void *)((u_long)&data.header.small + 2289 sizeof data.header.small + 2290 data.header.small.blk_desc_len); 2291 2292 arg->vol[0] = page->port[0].volume; 2293 arg->vol[1] = page->port[1].volume; 2294 arg->vol[2] = page->port[2].volume; 2295 arg->vol[3] = page->port[3].volume; 2296 2297 return (0); 2298 } 2299 2300 static int 2301 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2302 { 2303 struct { 2304 union { 2305 struct scsi_mode_parameter_header_6 small; 2306 struct scsi_mode_parameter_header_10 big; 2307 } header; 2308 struct cd_audio_page page; 2309 } data, mask; 2310 int error; 2311 int big, byte2; 2312 struct cd_audio_page *page, *page2; 2313 2314 byte2 = SMS_DBD; 2315 try_again: 2316 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2317 AUDIO_PAGE, flags, &big)) != 0) { 2318 if (byte2 == SMS_DBD) { 2319 /* Device may not understand DBD; retry without */ 2320 byte2 = 0; 2321 goto try_again; 2322 } 2323 return (error); 2324 } 2325 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2326 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2327 return (error); 2328 2329 if (big) { 2330 page = (void *)((u_long)&data.header.big + 2331 sizeof data.header.big + 2332 _2btol(data.header.big.blk_desc_len)); 2333 page2 = (void *)((u_long)&mask.header.big + 2334 sizeof mask.header.big + 2335 _2btol(mask.header.big.blk_desc_len)); 2336 } else { 2337 page = (void *)((u_long)&data.header.small + 2338 sizeof data.header.small + 2339 data.header.small.blk_desc_len); 2340 page2 = (void *)((u_long)&mask.header.small + 2341 sizeof mask.header.small + 2342 mask.header.small.blk_desc_len); 2343 } 2344 2345 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2346 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2347 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2348 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2349 2350 page->port[0].channels = CHANNEL_0; 2351 page->port[1].channels = CHANNEL_1; 2352 2353 return (cd_mode_select(cd, SMS_PF, &data, 2354 sizeof(struct scsi_mode_page_header) + page->pg_length, 2355 flags, big)); 2356 } 2357 2358 static int 2359 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2360 { 2361 struct scsipi_load_unload cmd; 2362 2363 memset(&cmd, 0, sizeof(cmd)); 2364 cmd.opcode = LOAD_UNLOAD; 2365 cmd.options = args->options; /* ioctl uses MMC values */ 2366 cmd.slot = args->slot; 2367 2368 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2369 CDRETRIES, 200000, NULL, 0)); 2370 } 2371 2372 static int 2373 cd_setblksize(struct cd_softc *cd) 2374 { 2375 struct { 2376 union { 2377 struct scsi_mode_parameter_header_6 small; 2378 struct scsi_mode_parameter_header_10 big; 2379 } header; 2380 struct scsi_general_block_descriptor blk_desc; 2381 } data; 2382 int error; 2383 int big, bsize; 2384 struct scsi_general_block_descriptor *bdesc; 2385 2386 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2387 &big)) != 0) 2388 return (error); 2389 2390 if (big) { 2391 bdesc = (void *)(&data.header.big + 1); 2392 bsize = _2btol(data.header.big.blk_desc_len); 2393 } else { 2394 bdesc = (void *)(&data.header.small + 1); 2395 bsize = data.header.small.blk_desc_len; 2396 } 2397 2398 if (bsize == 0) { 2399 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2400 return (EINVAL); 2401 } 2402 if (_3btol(bdesc->blklen) == 2048) { 2403 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2404 return (EINVAL); 2405 } 2406 2407 _lto3b(2048, bdesc->blklen); 2408 2409 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2410 big)); 2411 } 2412 2413 2414 static int 2415 mmc_profile2class(uint16_t mmc_profile) 2416 { 2417 switch (mmc_profile) { 2418 case 0x01 : /* SCSI discs */ 2419 case 0x02 : 2420 /* this can't happen really, cd.c wouldn't have matched */ 2421 return MMC_CLASS_DISC; 2422 case 0x03 : /* Magneto Optical with sector erase */ 2423 case 0x04 : /* Magneto Optical write once */ 2424 case 0x05 : /* Advance Storage Magneto Optical */ 2425 return MMC_CLASS_MO; 2426 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2427 case 0x08 : /* CD-ROM */ 2428 case 0x09 : /* CD-R */ 2429 case 0x0a : /* CD-RW */ 2430 return MMC_CLASS_CD; 2431 case 0x10 : /* DVD-ROM */ 2432 case 0x11 : /* DVD-R */ 2433 case 0x12 : /* DVD-RAM */ 2434 case 0x13 : /* DVD-RW restricted overwrite */ 2435 case 0x14 : /* DVD-RW sequential */ 2436 case 0x1a : /* DVD+RW */ 2437 case 0x1b : /* DVD+R */ 2438 case 0x2a : /* DVD+RW Dual layer */ 2439 case 0x2b : /* DVD+R Dual layer */ 2440 case 0x50 : /* HD DVD-ROM */ 2441 case 0x51 : /* HD DVD-R */ 2442 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2443 return MMC_CLASS_DVD; 2444 case 0x40 : /* BD-ROM */ 2445 case 0x41 : /* BD-R Sequential recording (SRM) */ 2446 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2447 case 0x43 : /* BD-RE */ 2448 return MMC_CLASS_BD; 2449 } 2450 return MMC_CLASS_UNKN; 2451 } 2452 2453 2454 /* 2455 * Drive/media combination is reflected in a series of features that can 2456 * either be current or dormant. We try to make sense out of them to create a 2457 * set of easy to use flags that abstract the device/media capabilities. 2458 */ 2459 2460 static void 2461 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2462 uint16_t feature, int cur, uint8_t *rpos) 2463 { 2464 uint32_t blockingnr; 2465 uint64_t flags; 2466 2467 if (cur == 1) { 2468 flags = mmc_discinfo->mmc_cur; 2469 } else { 2470 flags = mmc_discinfo->mmc_cap; 2471 } 2472 2473 switch (feature) { 2474 case 0x0010 : /* random readable feature */ 2475 blockingnr = rpos[5] | (rpos[4] << 8); 2476 if (blockingnr > 1) 2477 flags |= MMC_CAP_PACKET; 2478 2479 /* RW error page */ 2480 break; 2481 case 0x0020 : /* random writable feature */ 2482 flags |= MMC_CAP_RECORDABLE; 2483 flags |= MMC_CAP_REWRITABLE; 2484 blockingnr = rpos[9] | (rpos[8] << 8); 2485 if (blockingnr > 1) 2486 flags |= MMC_CAP_PACKET; 2487 break; 2488 case 0x0021 : /* incremental streaming write feature */ 2489 flags |= MMC_CAP_RECORDABLE; 2490 flags |= MMC_CAP_SEQUENTIAL; 2491 if (cur) 2492 mmc_discinfo->link_block_penalty = rpos[4]; 2493 if (rpos[2] & 1) 2494 flags |= MMC_CAP_ZEROLINKBLK; 2495 break; 2496 case 0x0022 : /* (obsolete) erase support feature */ 2497 flags |= MMC_CAP_RECORDABLE; 2498 flags |= MMC_CAP_ERASABLE; 2499 break; 2500 case 0x0023 : /* formatting media support feature */ 2501 flags |= MMC_CAP_RECORDABLE; 2502 flags |= MMC_CAP_FORMATTABLE; 2503 break; 2504 case 0x0024 : /* hardware assised defect management feature */ 2505 flags |= MMC_CAP_HW_DEFECTFREE; 2506 break; 2507 case 0x0025 : /* write once */ 2508 flags |= MMC_CAP_RECORDABLE; 2509 break; 2510 case 0x0026 : /* restricted overwrite feature */ 2511 flags |= MMC_CAP_RECORDABLE; 2512 flags |= MMC_CAP_REWRITABLE; 2513 flags |= MMC_CAP_STRICTOVERWRITE; 2514 break; 2515 case 0x0028 : /* MRW formatted media support feature */ 2516 flags |= MMC_CAP_MRW; 2517 break; 2518 case 0x002b : /* DVD+R read (and opt. write) support */ 2519 flags |= MMC_CAP_SEQUENTIAL; 2520 if (rpos[0] & 1) /* write support */ 2521 flags |= MMC_CAP_RECORDABLE; 2522 break; 2523 case 0x002c : /* rigid restricted overwrite feature */ 2524 flags |= MMC_CAP_RECORDABLE; 2525 flags |= MMC_CAP_REWRITABLE; 2526 flags |= MMC_CAP_STRICTOVERWRITE; 2527 if (rpos[0] & 1) /* blank bit */ 2528 flags |= MMC_CAP_BLANKABLE; 2529 break; 2530 case 0x002d : /* track at once recording feature */ 2531 flags |= MMC_CAP_RECORDABLE; 2532 flags |= MMC_CAP_SEQUENTIAL; 2533 break; 2534 case 0x002f : /* DVD-R/-RW write feature */ 2535 flags |= MMC_CAP_RECORDABLE; 2536 if (rpos[0] & 2) /* DVD-RW bit */ 2537 flags |= MMC_CAP_BLANKABLE; 2538 break; 2539 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2540 flags |= MMC_CAP_PSEUDOOVERWRITE; 2541 break; 2542 default : 2543 /* ignore */ 2544 break; 2545 } 2546 2547 if (cur == 1) { 2548 mmc_discinfo->mmc_cur = flags; 2549 } else { 2550 mmc_discinfo->mmc_cap = flags; 2551 } 2552 } 2553 2554 static int 2555 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2556 struct mmc_discinfo *mmc_discinfo) 2557 { 2558 struct scsipi_read_toc gtoc_cmd; 2559 struct scsipi_toc_header *toc_hdr; 2560 struct scsipi_toc_msinfo *toc_msinfo; 2561 const uint32_t buffer_size = 1024; 2562 uint32_t req_size; 2563 uint8_t *buffer; 2564 int error, flags; 2565 2566 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2567 /* 2568 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2569 * care' but others might be of interest to programs. 2570 */ 2571 2572 mmc_discinfo->disc_state = MMC_STATE_FULL; 2573 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2574 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2575 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2576 2577 /* get number of sessions and first tracknr in last session */ 2578 flags = XS_CTL_DATA_IN; 2579 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2580 gtoc_cmd.opcode = READ_TOC; 2581 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2582 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2583 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2584 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2585 _lto2b(req_size, gtoc_cmd.data_len); 2586 2587 error = scsipi_command(periph, 2588 (void *)>oc_cmd, sizeof(gtoc_cmd), 2589 (void *)buffer, req_size, 2590 CDRETRIES, 30000, NULL, flags); 2591 if (error) 2592 goto out; 2593 toc_hdr = (struct scsipi_toc_header *) buffer; 2594 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2595 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2596 mmc_discinfo->first_track = toc_hdr->first; 2597 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2598 2599 /* get last track of last session */ 2600 flags = XS_CTL_DATA_IN; 2601 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2602 req_size = sizeof(*toc_hdr); 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 mmc_discinfo->last_track_last_session = toc_hdr->last; 2613 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2614 2615 /* TODO how to handle disc_barcode and disc_id */ 2616 /* done */ 2617 2618 out: 2619 free(buffer, M_TEMP); 2620 return error; 2621 } 2622 2623 static int 2624 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2625 struct mmc_discinfo *mmc_discinfo) 2626 { 2627 struct scsipi_read_toc gtoc_cmd; 2628 struct scsipi_toc_header toc_hdr; 2629 uint32_t req_size; 2630 int error, flags; 2631 2632 /* 2633 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2634 * care' but others might be of interest to programs. 2635 */ 2636 2637 mmc_discinfo->disc_state = MMC_STATE_FULL; 2638 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2639 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2640 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2641 2642 /* get number of sessions and first tracknr in last session */ 2643 flags = XS_CTL_DATA_IN; 2644 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2645 gtoc_cmd.opcode = READ_TOC; 2646 gtoc_cmd.addr_mode = 0; /* LBA */ 2647 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2648 gtoc_cmd.from_track = 1; /* first track */ 2649 req_size = sizeof(toc_hdr); 2650 _lto2b(req_size, gtoc_cmd.data_len); 2651 2652 error = scsipi_command(periph, 2653 (void *)>oc_cmd, sizeof(gtoc_cmd), 2654 (void *)&toc_hdr, req_size, 2655 CDRETRIES, 30000, NULL, flags); 2656 if (error) 2657 return error; 2658 2659 /* DVD-ROM squashes the track/session space */ 2660 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2661 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2662 mmc_discinfo->first_track = toc_hdr.first; 2663 mmc_discinfo->first_track_last_session = toc_hdr.last; 2664 mmc_discinfo->last_track_last_session = toc_hdr.last; 2665 2666 /* TODO how to handle disc_barcode and disc_id */ 2667 /* done */ 2668 return 0; 2669 } 2670 2671 static int 2672 mmc_getdiscinfo(struct scsipi_periph *periph, 2673 struct mmc_discinfo *mmc_discinfo) 2674 { 2675 struct scsipi_get_configuration gc_cmd; 2676 struct scsipi_get_conf_data *gc; 2677 struct scsipi_get_conf_feature *gcf; 2678 struct scsipi_read_discinfo di_cmd; 2679 struct scsipi_read_discinfo_data di __aligned(2); 2680 const uint32_t buffer_size = 1024; 2681 uint32_t feat_tbl_len, pos; 2682 u_long last_lba = 0; 2683 uint8_t *buffer, *fpos; 2684 int feature, last_feature, features_len, feature_cur, feature_len; 2685 int lsb, msb, error, flags; 2686 2687 feat_tbl_len = buffer_size; 2688 2689 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2690 2691 /* initialise structure */ 2692 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2693 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2694 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2695 mmc_discinfo->mmc_cur = 0; 2696 mmc_discinfo->mmc_cap = 0; 2697 mmc_discinfo->link_block_penalty = 0; 2698 2699 /* determine mmc profile and class */ 2700 flags = XS_CTL_DATA_IN; 2701 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2702 gc_cmd.opcode = GET_CONFIGURATION; 2703 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2704 2705 gc = (struct scsipi_get_conf_data *) buffer; 2706 2707 error = scsipi_command(periph, 2708 (void *)&gc_cmd, sizeof(gc_cmd), 2709 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2710 CDRETRIES, 30000, NULL, flags); 2711 if (error) 2712 goto out; 2713 2714 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2715 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2716 2717 /* assume 2048 sector size unless told otherwise */ 2718 mmc_discinfo->sector_size = 2048; 2719 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2720 if (error) 2721 goto out; 2722 2723 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 2724 2725 /* Read in all features to determine device capabilities */ 2726 last_feature = feature = 0; 2727 do { 2728 /* determine mmc profile and class */ 2729 flags = XS_CTL_DATA_IN; 2730 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2731 gc_cmd.opcode = GET_CONFIGURATION; 2732 _lto2b(last_feature, gc_cmd.start_at_feature); 2733 _lto2b(feat_tbl_len, gc_cmd.data_len); 2734 memset(gc, 0, feat_tbl_len); 2735 2736 error = scsipi_command(periph, 2737 (void *)&gc_cmd, sizeof(gc_cmd), 2738 (void *) gc, feat_tbl_len, 2739 CDRETRIES, 30000, NULL, flags); 2740 if (error) { 2741 /* ieeek... break out of loop... i dunno what to do */ 2742 break; 2743 } 2744 2745 features_len = _4btol(gc->data_len); 2746 if (features_len < 4 || features_len > feat_tbl_len) 2747 break; 2748 2749 pos = 0; 2750 fpos = &gc->feature_desc[0]; 2751 while (pos < features_len - 4) { 2752 gcf = (struct scsipi_get_conf_feature *) fpos; 2753 2754 feature = _2btol(gcf->featurecode); 2755 feature_cur = gcf->flags & 1; 2756 feature_len = gcf->additional_length; 2757 2758 mmc_process_feature(mmc_discinfo, 2759 feature, feature_cur, 2760 gcf->feature_dependent); 2761 2762 last_feature = MAX(last_feature, feature); 2763 #ifdef DIAGNOSTIC 2764 /* assert((feature_len & 3) == 0); */ 2765 if ((feature_len & 3) != 0) { 2766 printf("feature %d having length %d\n", 2767 feature, feature_len); 2768 } 2769 #endif 2770 2771 pos += 4 + feature_len; 2772 fpos += 4 + feature_len; 2773 } 2774 /* unlikely to ever grow past our 1kb buffer */ 2775 } while (features_len >= 0xffff); 2776 2777 /* 2778 * Fixup CD-RW drives that are on crack. 2779 * 2780 * Some drives report the capability to incrementally write 2781 * sequentially on CD-R(W) media... nice, but this should not be 2782 * active for a fixed packet formatted CD-RW media. Other report the 2783 * ability of HW_DEFECTFREE even when the media is NOT MRW 2784 * formatted.... 2785 */ 2786 if (mmc_discinfo->mmc_profile == 0x0a) { 2787 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 2788 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 2789 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 2790 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2791 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 2792 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2793 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 2794 } else { 2795 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 2796 } 2797 } 2798 if (mmc_discinfo->mmc_profile == 0x09) { 2799 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 2800 } 2801 2802 #ifdef DEBUG 2803 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2804 mmc_discinfo->mmc_profile, 2805 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2806 #endif 2807 2808 /* read in disc state and number of sessions and tracks */ 2809 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2810 memset(&di_cmd, 0, sizeof(di_cmd)); 2811 di_cmd.opcode = READ_DISCINFO; 2812 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2813 2814 error = scsipi_command(periph, 2815 (void *)&di_cmd, sizeof(di_cmd), 2816 (void *)&di, READ_DISCINFO_BIGSIZE, 2817 CDRETRIES, 30000, NULL, flags); 2818 2819 if (error) { 2820 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 2821 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 2822 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 2823 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 2824 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 2825 else /* CD/DVD drive is violating specs */ 2826 error = EIO; 2827 goto out; 2828 } 2829 2830 /* call went OK */ 2831 mmc_discinfo->disc_state = di.disc_state & 3; 2832 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 2833 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 2834 2835 lsb = di.num_sessions_lsb; 2836 msb = di.num_sessions_msb; 2837 mmc_discinfo->num_sessions = lsb | (msb << 8); 2838 2839 mmc_discinfo->first_track = di.first_track; 2840 lsb = di.first_track_last_session_lsb; 2841 msb = di.first_track_last_session_msb; 2842 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 2843 lsb = di.last_track_last_session_lsb; 2844 msb = di.last_track_last_session_msb; 2845 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 2846 2847 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 2848 mmc_discinfo->first_track + 1; 2849 2850 /* set misc. flags and parameters from this disc info */ 2851 if (di.disc_state & 16) 2852 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 2853 2854 if (di.disc_state2 & 128) { 2855 mmc_discinfo->disc_id = _4btol(di.discid); 2856 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 2857 } 2858 if (di.disc_state2 & 64) { 2859 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 2860 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 2861 } 2862 if (di.disc_state2 & 32) 2863 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 2864 2865 if (di.disc_state2 & 16) { 2866 mmc_discinfo->application_code = di.application_code; 2867 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 2868 } 2869 2870 /* done */ 2871 2872 out: 2873 free(buffer, M_TEMP); 2874 return error; 2875 } 2876 2877 static int 2878 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 2879 struct mmc_trackinfo *trackinfo) 2880 { 2881 struct scsipi_read_toc gtoc_cmd; 2882 struct scsipi_toc_header *toc_hdr; 2883 struct scsipi_toc_rawtoc *rawtoc; 2884 uint32_t track_start, track_size; 2885 uint32_t last_recorded, next_writable; 2886 uint32_t lba, next_track_start, lead_out; 2887 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 2888 uint8_t *buffer; 2889 uint8_t track_sessionnr, sessionnr, adr, tno, point; 2890 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 2891 int size, req_size; 2892 int error, flags; 2893 2894 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2895 2896 /* 2897 * Emulate read trackinfo for CD-ROM using the raw-TOC. 2898 * 2899 * Not all information is present and this presents a problem. Track 2900 * starts are known for each track but other values are deducted. 2901 * 2902 * For a complete overview of `magic' values used here, see the 2903 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 2904 * names, they are specified as numbers. 2905 */ 2906 2907 /* get raw toc to process, first header to check size */ 2908 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2909 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2910 gtoc_cmd.opcode = READ_TOC; 2911 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2912 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 2913 gtoc_cmd.from_track = 1; /* first session */ 2914 req_size = sizeof(*toc_hdr); 2915 _lto2b(req_size, gtoc_cmd.data_len); 2916 2917 error = scsipi_command(periph, 2918 (void *)>oc_cmd, sizeof(gtoc_cmd), 2919 (void *)buffer, req_size, 2920 CDRETRIES, 30000, NULL, flags); 2921 if (error) 2922 goto out; 2923 toc_hdr = (struct scsipi_toc_header *) buffer; 2924 if (_2btol(toc_hdr->length) > buffer_size - 2) { 2925 #ifdef DIAGNOSTIC 2926 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 2927 #endif 2928 error = ENOBUFS; 2929 goto out; 2930 } 2931 2932 /* read in complete raw toc */ 2933 req_size = _2btol(toc_hdr->length); 2934 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 2935 _lto2b(req_size, gtoc_cmd.data_len); 2936 2937 error = scsipi_command(periph, 2938 (void *)>oc_cmd, sizeof(gtoc_cmd), 2939 (void *)buffer, req_size, 2940 CDRETRIES, 30000, NULL, flags); 2941 if (error) 2942 goto out; 2943 2944 toc_hdr = (struct scsipi_toc_header *) buffer; 2945 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 2946 2947 track_start = 0; 2948 track_size = 0; 2949 last_recorded = 0; 2950 next_writable = 0; 2951 flags = 0; 2952 2953 next_track_start = 0; 2954 track_sessionnr = MAXTRACK; /* by definition */ 2955 lead_out = 0; 2956 2957 size = req_size - sizeof(struct scsipi_toc_header) + 1; 2958 while (size > 0) { 2959 /* get track start and session end */ 2960 tno = rawtoc->tno; 2961 sessionnr = rawtoc->sessionnr; 2962 adr = rawtoc->adrcontrol >> 4; 2963 control = rawtoc->adrcontrol & 0xf; 2964 point = rawtoc->point; 2965 tmin = rawtoc->min; 2966 tsec = rawtoc->sec; 2967 tframe = rawtoc->frame; 2968 pmin = rawtoc->pmin; 2969 psec = rawtoc->psec; 2970 pframe = rawtoc->pframe; 2971 2972 if (tno == 0 && sessionnr && adr == 1) { 2973 lba = hmsf2lba(0, pmin, psec, pframe); 2974 if (point == trackinfo->tracknr) { 2975 track_start = lba; 2976 track_sessionnr = sessionnr; 2977 } 2978 if (point == trackinfo->tracknr + 1) { 2979 /* estimate size */ 2980 track_size = lba - track_start; 2981 next_track_start = lba; 2982 } 2983 if (point == 0xa2) { 2984 lead_out = lba; 2985 } 2986 if (point <= 0x63) { 2987 /* CD's ok, DVD are glued */ 2988 /* last_tracknr = point; */ 2989 } 2990 if (sessionnr == track_sessionnr) { 2991 last_recorded = lead_out; 2992 } 2993 } 2994 if (tno == 0 && sessionnr && adr == 5) { 2995 lba = hmsf2lba(0, tmin, tsec, tframe); 2996 if (sessionnr == track_sessionnr) { 2997 next_writable = lba; 2998 } 2999 } 3000 3001 if ((control & (3<<2)) == 4) /* 01xxb */ 3002 flags |= MMC_TRACKINFO_DATA; 3003 if ((control & (1<<2)) == 0) { /* x0xxb */ 3004 flags |= MMC_TRACKINFO_AUDIO; 3005 if (control & 1) /* xxx1b */ 3006 flags |= MMC_TRACKINFO_PRE_EMPH; 3007 } 3008 3009 rawtoc++; 3010 size -= sizeof(struct scsipi_toc_rawtoc); 3011 } 3012 3013 /* process found values; some voodoo */ 3014 /* if no tracksize tracknr is the last of the disc */ 3015 if ((track_size == 0) && last_recorded) { 3016 track_size = last_recorded - track_start; 3017 } 3018 /* if last_recorded < tracksize, tracksize is overestimated */ 3019 if (last_recorded) { 3020 if (last_recorded - track_start <= track_size) { 3021 track_size = last_recorded - track_start; 3022 flags |= MMC_TRACKINFO_LRA_VALID; 3023 } 3024 } 3025 /* check if its a the last track of the sector */ 3026 if (next_writable) { 3027 if (next_track_start > next_writable) 3028 flags |= MMC_TRACKINFO_NWA_VALID; 3029 } 3030 3031 /* no flag set -> no values */ 3032 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3033 last_recorded = 0; 3034 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3035 next_writable = 0; 3036 3037 /* fill in */ 3038 /* trackinfo->tracknr preserved */ 3039 trackinfo->sessionnr = track_sessionnr; 3040 trackinfo->track_mode = 7; /* data, incremental */ 3041 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3042 3043 trackinfo->flags = flags; 3044 trackinfo->track_start = track_start; 3045 trackinfo->next_writable = next_writable; 3046 trackinfo->free_blocks = 0; 3047 trackinfo->packet_size = 1; 3048 trackinfo->track_size = track_size; 3049 trackinfo->last_recorded = last_recorded; 3050 3051 out: 3052 free(buffer, M_TEMP); 3053 return error; 3054 3055 } 3056 3057 static int 3058 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3059 struct mmc_trackinfo *trackinfo) 3060 { 3061 struct scsipi_read_toc gtoc_cmd; 3062 struct scsipi_toc_header *toc_hdr; 3063 struct scsipi_toc_formatted *toc; 3064 uint32_t tracknr, track_start, track_size; 3065 uint32_t lba, lead_out; 3066 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3067 uint8_t *buffer; 3068 uint8_t control, last_tracknr; 3069 int size, req_size; 3070 int error, flags; 3071 3072 3073 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3074 /* 3075 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3076 * CD-ROM emulation uses since the specification tells us that no such 3077 * thing is defined for DVD's. The reason for this is due to the large 3078 * number of tracks and that would clash with the `magic' values. This 3079 * suxs. 3080 * 3081 * Not all information is present and this presents a problem. 3082 * Track starts are known for each track but other values are 3083 * deducted. 3084 */ 3085 3086 /* get formatted toc to process, first header to check size */ 3087 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3088 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3089 gtoc_cmd.opcode = READ_TOC; 3090 gtoc_cmd.addr_mode = 0; /* lba's please */ 3091 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3092 gtoc_cmd.from_track = 1; /* first track */ 3093 req_size = sizeof(*toc_hdr); 3094 _lto2b(req_size, gtoc_cmd.data_len); 3095 3096 error = scsipi_command(periph, 3097 (void *)>oc_cmd, sizeof(gtoc_cmd), 3098 (void *)buffer, req_size, 3099 CDRETRIES, 30000, NULL, flags); 3100 if (error) 3101 goto out; 3102 toc_hdr = (struct scsipi_toc_header *) buffer; 3103 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3104 #ifdef DIAGNOSTIC 3105 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3106 #endif 3107 error = ENOBUFS; 3108 goto out; 3109 } 3110 3111 /* read in complete formatted toc */ 3112 req_size = _2btol(toc_hdr->length); 3113 _lto2b(req_size, gtoc_cmd.data_len); 3114 3115 error = scsipi_command(periph, 3116 (void *)>oc_cmd, sizeof(gtoc_cmd), 3117 (void *)buffer, req_size, 3118 CDRETRIES, 30000, NULL, flags); 3119 if (error) 3120 goto out; 3121 3122 toc_hdr = (struct scsipi_toc_header *) buffer; 3123 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3124 3125 /* as in read disc info, all sessions are converted to tracks */ 3126 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3127 /* last track -> we got the size from the lead-out */ 3128 3129 tracknr = 0; 3130 last_tracknr = toc_hdr->last; 3131 track_start = 0; 3132 track_size = 0; 3133 lead_out = 0; 3134 flags = 0; 3135 3136 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3137 while (size > 0) { 3138 /* remember, DVD-ROM: tracknr == sessionnr */ 3139 lba = _4btol(toc->msf_lba); 3140 tracknr = toc->tracknr; 3141 control = toc->adrcontrol & 0xf; 3142 3143 if (trackinfo->tracknr == tracknr) { 3144 track_start = lba; 3145 } 3146 if (trackinfo->tracknr == tracknr+1) { 3147 track_size = lba - track_start; 3148 track_size -= 16; /* link block ? */ 3149 } 3150 if (tracknr == 0xAA) { 3151 lead_out = lba; 3152 } 3153 3154 if ((control & (3<<2)) == 4) /* 01xxb */ 3155 flags |= MMC_TRACKINFO_DATA; 3156 if ((control & (1<<2)) == 0) { /* x0xxb */ 3157 flags |= MMC_TRACKINFO_AUDIO; 3158 if (control & (1<<3)) /* 10xxb */ 3159 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3160 if (control & 1) /* xxx1b */ 3161 flags |= MMC_TRACKINFO_PRE_EMPH; 3162 } 3163 3164 toc++; 3165 size -= sizeof(struct scsipi_toc_formatted); 3166 } 3167 if (trackinfo->tracknr == last_tracknr) { 3168 track_size = lead_out - track_start; 3169 } 3170 3171 /* fill in */ 3172 /* trackinfo->tracknr preserved */ 3173 trackinfo->sessionnr = trackinfo->tracknr; 3174 trackinfo->track_mode = 0; /* unknown */ 3175 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3176 3177 trackinfo->flags = flags; 3178 trackinfo->track_start = track_start; 3179 trackinfo->next_writable = 0; 3180 trackinfo->free_blocks = 0; 3181 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3182 trackinfo->track_size = track_size; 3183 trackinfo->last_recorded = 0; 3184 3185 out: 3186 free(buffer, M_TEMP); 3187 return error; 3188 } 3189 3190 static int 3191 mmc_gettrackinfo(struct scsipi_periph *periph, 3192 struct mmc_trackinfo *trackinfo) 3193 { 3194 struct scsipi_read_trackinfo ti_cmd; 3195 struct scsipi_read_trackinfo_data ti __aligned(2); 3196 struct scsipi_get_configuration gc_cmd; 3197 struct scsipi_get_conf_data gc __aligned(2); 3198 int error, flags; 3199 int mmc_profile; 3200 3201 /* set up SCSI call with track number from trackinfo.tracknr */ 3202 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3203 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3204 ti_cmd.opcode = READ_TRACKINFO; 3205 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3206 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3207 3208 /* trackinfo.tracknr contains number of tracks to query */ 3209 _lto4b(trackinfo->tracknr, ti_cmd.address); 3210 error = scsipi_command(periph, 3211 (void *)&ti_cmd, sizeof(ti_cmd), 3212 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3213 CDRETRIES, 30000, NULL, flags); 3214 3215 if (error) { 3216 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3217 /* first determine mmc profile */ 3218 flags = XS_CTL_DATA_IN; 3219 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3220 gc_cmd.opcode = GET_CONFIGURATION; 3221 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3222 3223 error = scsipi_command(periph, 3224 (void *)&gc_cmd, sizeof(gc_cmd), 3225 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3226 CDRETRIES, 30000, NULL, flags); 3227 if (error) 3228 return error; 3229 mmc_profile = _2btol(gc.mmc_profile); 3230 3231 /* choose emulation */ 3232 if (mmc_profile == 0x08) /* CD-ROM */ 3233 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3234 if (mmc_profile == 0x10) /* DVD-ROM */ 3235 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3236 /* CD/DVD drive is violating specs */ 3237 return EIO; 3238 } 3239 3240 /* (re)initialise structure */ 3241 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3242 3243 /* account for short returns screwing up track and session msb */ 3244 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3245 ti.track_msb = 0; 3246 ti.session_msb = 0; 3247 } 3248 3249 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3250 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3251 trackinfo->track_mode = ti.track_info_1 & 0xf; 3252 trackinfo->data_mode = ti.track_info_2 & 0xf; 3253 3254 flags = 0; 3255 if (ti.track_info_1 & 0x10) 3256 flags |= MMC_TRACKINFO_COPY; 3257 if (ti.track_info_1 & 0x20) 3258 flags |= MMC_TRACKINFO_DAMAGED; 3259 if (ti.track_info_2 & 0x10) 3260 flags |= MMC_TRACKINFO_FIXED_PACKET; 3261 if (ti.track_info_2 & 0x20) 3262 flags |= MMC_TRACKINFO_INCREMENTAL; 3263 if (ti.track_info_2 & 0x40) 3264 flags |= MMC_TRACKINFO_BLANK; 3265 if (ti.track_info_2 & 0x80) 3266 flags |= MMC_TRACKINFO_RESERVED; 3267 if (ti.data_valid & 0x01) 3268 flags |= MMC_TRACKINFO_NWA_VALID; 3269 if (ti.data_valid & 0x02) 3270 flags |= MMC_TRACKINFO_LRA_VALID; 3271 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3272 flags |= MMC_TRACKINFO_DATA; 3273 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3274 flags |= MMC_TRACKINFO_AUDIO; 3275 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3276 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3277 if (trackinfo->track_mode & 1) /* xxx1b */ 3278 flags |= MMC_TRACKINFO_PRE_EMPH; 3279 } 3280 3281 trackinfo->flags = flags; 3282 trackinfo->track_start = _4btol(ti.track_start); 3283 trackinfo->next_writable = _4btol(ti.next_writable); 3284 trackinfo->free_blocks = _4btol(ti.free_blocks); 3285 trackinfo->packet_size = _4btol(ti.packet_size); 3286 trackinfo->track_size = _4btol(ti.track_size); 3287 trackinfo->last_recorded = _4btol(ti.last_recorded); 3288 3289 return 0; 3290 } 3291 3292 static int 3293 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3294 struct scsipi_close_tracksession close_cmd; 3295 int error, flags; 3296 3297 /* set up SCSI call with track number */ 3298 flags = XS_CTL_DATA_OUT; 3299 memset(&close_cmd, 0, sizeof(close_cmd)); 3300 close_cmd.opcode = CLOSE_TRACKSESSION; 3301 close_cmd.function = func; 3302 _lto2b(param, close_cmd.tracksessionnr); 3303 3304 error = scsipi_command(periph, 3305 (void *) &close_cmd, sizeof(close_cmd), 3306 NULL, 0, 3307 CDRETRIES, 120000, NULL, flags); 3308 3309 return error; 3310 } 3311 3312 static int 3313 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3314 { 3315 int mmc_profile = mmc_op->mmc_profile; 3316 3317 switch (mmc_profile) { 3318 case 0x12 : /* DVD-RAM */ 3319 case 0x1a : /* DVD+RW */ 3320 case 0x2a : /* DVD+RW Dual layer */ 3321 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3322 case 0x43 : /* BD-RE */ 3323 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3324 return EINVAL; 3325 } 3326 3327 return mmc_doclose(periph, mmc_op->tracknr, 1); 3328 } 3329 3330 static int 3331 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3332 { 3333 uint8_t blob[MS5LEN], *page5; 3334 int mmc_profile = mmc_op->mmc_profile; 3335 int func, close, flags; 3336 int error; 3337 3338 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3339 3340 switch (mmc_profile) { 3341 case 0x09 : /* CD-R */ 3342 case 0x0a : /* CD-RW */ 3343 /* Special case : need to update MS field in mode page 5 */ 3344 memset(blob, 0, sizeof(blob)); 3345 page5 = blob+8; 3346 3347 flags = XS_CTL_DATA_IN; 3348 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3349 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3350 if (error) 3351 return error; 3352 3353 /* set multi session field when closing a session only */ 3354 page5[3] &= 63; 3355 if (close) 3356 page5[3] |= 3 << 6; 3357 3358 flags = XS_CTL_DATA_OUT; 3359 error = scsipi_mode_select_big(periph, SMS_PF, 3360 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3361 if (error) 3362 return error; 3363 /* and use funtion 2 */ 3364 func = 2; 3365 break; 3366 case 0x11 : /* DVD-R (DL) */ 3367 case 0x13 : /* DVD-RW restricted overwrite */ 3368 case 0x14 : /* DVD-RW sequential */ 3369 func = close ? 2 : 3; 3370 break; 3371 case 0x1b : /* DVD+R */ 3372 case 0x2b : /* DVD+R Dual layer */ 3373 case 0x51 : /* HD DVD-R */ 3374 case 0x41 : /* BD-R Sequential recording (SRM) */ 3375 func = close ? 2 : 6; 3376 break; 3377 case 0x12 : /* DVD-RAM */ 3378 case 0x1a : /* DVD+RW */ 3379 case 0x2a : /* DVD+RW Dual layer */ 3380 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3381 case 0x43 : /* BD-RE */ 3382 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3383 return EINVAL; 3384 default: 3385 printf("MMC close/finalise passed wrong device type! (%d)\n", 3386 mmc_profile); 3387 return EINVAL; 3388 } 3389 3390 return mmc_doclose(periph, mmc_op->sessionnr, func); 3391 } 3392 3393 static int 3394 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3395 { 3396 struct scsipi_reserve_track reserve_cmd; 3397 uint32_t extent; 3398 int error, flags; 3399 3400 /* TODO make mmc safeguards? */ 3401 extent = mmc_op->extent; 3402 /* TODO min/max support? */ 3403 3404 /* set up SCSI call with requested space */ 3405 flags = XS_CTL_DATA_OUT; 3406 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3407 reserve_cmd.opcode = RESERVE_TRACK; 3408 _lto4b(extent, reserve_cmd.reservation_size); 3409 3410 error = scsipi_command(periph, 3411 (void *) &reserve_cmd, sizeof(reserve_cmd), 3412 NULL, 0, 3413 CDRETRIES, 30000, NULL, flags); 3414 3415 return error; 3416 } 3417 3418 static int 3419 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3420 { 3421 /* XXX assumes that NWA given is valid */ 3422 switch (mmc_op->mmc_profile) { 3423 case 0x09 : /* CD-R */ 3424 /* XXX unknown boundary checks XXX */ 3425 if (mmc_op->extent <= 152) 3426 return EINVAL; 3427 /* CD-R takes 152 sectors to close track */ 3428 mmc_op->extent -= 152; 3429 return mmc_do_reserve_track(periph, mmc_op); 3430 case 0x11 : /* DVD-R (DL) */ 3431 case 0x1b : /* DVD+R */ 3432 case 0x2b : /* DVD+R Dual layer */ 3433 if (mmc_op->extent % 16) 3434 return EINVAL; 3435 /* upto one ECC block of 16 sectors lost */ 3436 mmc_op->extent -= 16; 3437 return mmc_do_reserve_track(periph, mmc_op); 3438 case 0x41 : /* BD-R Sequential recording (SRM) */ 3439 case 0x51 : /* HD DVD-R */ 3440 if (mmc_op->extent % 32) 3441 return EINVAL; 3442 /* one ECC block of 32 sectors lost (AFAIK) */ 3443 mmc_op->extent -= 32; 3444 return mmc_do_reserve_track(periph, mmc_op); 3445 } 3446 3447 /* unknown behaviour or invalid disc type */ 3448 return EINVAL; 3449 } 3450 3451 static int 3452 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3453 { 3454 struct scsipi_repair_track repair_cmd; 3455 int error, flags; 3456 3457 /* TODO make mmc safeguards? */ 3458 3459 /* set up SCSI call with track number */ 3460 flags = XS_CTL_DATA_OUT; 3461 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3462 repair_cmd.opcode = REPAIR_TRACK; 3463 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3464 3465 error = scsipi_command(periph, 3466 (void *) &repair_cmd, sizeof(repair_cmd), 3467 NULL, 0, 3468 CDRETRIES, 30000, NULL, flags); 3469 3470 return error; 3471 } 3472 3473 static int 3474 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3475 { 3476 /* guard operation value */ 3477 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3478 return EINVAL; 3479 3480 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3481 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3482 return cdcachesync(periph, 0); 3483 3484 /* zero mmc_profile means unknown disc so operations are not defined */ 3485 if (mmc_op->mmc_profile == 0) { 3486 #ifdef DEBUG 3487 printf("mmc_do_op called with mmc_profile = 0\n"); 3488 #endif 3489 return EINVAL; 3490 } 3491 3492 /* do the operations */ 3493 switch (mmc_op->operation) { 3494 case MMC_OP_CLOSETRACK : 3495 return mmc_do_closetrack(periph, mmc_op); 3496 case MMC_OP_CLOSESESSION : 3497 case MMC_OP_FINALISEDISC : 3498 return mmc_do_close_or_finalise(periph, mmc_op); 3499 case MMC_OP_RESERVETRACK : 3500 return mmc_do_reserve_track(periph, mmc_op); 3501 case MMC_OP_RESERVETRACK_NWA : 3502 return mmc_do_reserve_track_nwa(periph, mmc_op); 3503 case MMC_OP_REPAIRTRACK : 3504 return mmc_do_repair_track(periph, mmc_op); 3505 case MMC_OP_UNCLOSELASTSESSION : 3506 /* TODO unclose last session support */ 3507 return EINVAL; 3508 default : 3509 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3510 } 3511 3512 return EINVAL; 3513 } 3514 3515 static int 3516 mmc_setup_writeparams(struct scsipi_periph *periph, 3517 struct mmc_writeparams *mmc_writeparams) 3518 { 3519 struct mmc_trackinfo trackinfo; 3520 uint8_t blob[MS5LEN]; 3521 uint8_t *page5; 3522 int flags, error; 3523 int track_mode, data_mode; 3524 3525 /* setup mode page 5 for CD only */ 3526 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3527 return 0; 3528 3529 memset(blob, 0, sizeof(blob)); 3530 page5 = blob+8; 3531 3532 /* read mode page 5 (with header) */ 3533 flags = XS_CTL_DATA_IN; 3534 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3535 sizeof(blob), flags, CDRETRIES, 20000); 3536 if (error) 3537 return error; 3538 3539 /* set page length for reasurance */ 3540 page5[1] = P5LEN; /* page length */ 3541 3542 /* write type packet/incremental */ 3543 page5[2] &= 0xf0; 3544 3545 /* set specified mode parameters */ 3546 track_mode = mmc_writeparams->track_mode; 3547 data_mode = mmc_writeparams->data_mode; 3548 if (track_mode <= 0 || track_mode > 15) 3549 return EINVAL; 3550 if (data_mode < 1 || data_mode > 2) 3551 return EINVAL; 3552 3553 /* if a tracknr is passed, setup according to the track */ 3554 if (mmc_writeparams->tracknr > 0) { 3555 trackinfo.tracknr = mmc_writeparams->tracknr; 3556 error = mmc_gettrackinfo(periph, &trackinfo); 3557 if (error) 3558 return error; 3559 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3560 track_mode = trackinfo.track_mode; 3561 data_mode = trackinfo.data_mode; 3562 } 3563 mmc_writeparams->blockingnr = trackinfo.packet_size; 3564 } 3565 3566 /* copy track mode and data mode from trackinfo */ 3567 page5[3] &= 16; /* keep only `Copy' bit */ 3568 page5[3] |= (3 << 6) | track_mode; 3569 page5[4] &= 0xf0; /* wipe data block type */ 3570 if (data_mode == 1) { 3571 /* select ISO mode 1 (CD only) */ 3572 page5[4] |= 8; 3573 /* select session format normal disc (CD only) */ 3574 page5[8] = 0; 3575 } else { 3576 /* select ISO mode 2; XA form 1 (CD only) */ 3577 page5[4] |= 10; 3578 /* select session format CD-ROM XA disc (CD only) */ 3579 page5[8] = 0x20; 3580 } 3581 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3582 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3583 /* set BUFE buffer underrun protection */ 3584 page5[2] |= 1<<6; 3585 } 3586 /* allow for multi session */ 3587 page5[3] |= 3 << 6; 3588 } else { 3589 /* select fixed packets */ 3590 page5[3] |= 1<<5; 3591 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3592 } 3593 3594 /* write out updated mode page 5 (with header) */ 3595 flags = XS_CTL_DATA_OUT; 3596 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3597 sizeof(blob), flags, CDRETRIES, 20000); 3598 if (error) 3599 return error; 3600 3601 return 0; 3602 } 3603 3604 static void 3605 cd_set_geometry(struct cd_softc *cd) 3606 { 3607 struct dk_softc *dksc = &cd->sc_dksc; 3608 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom; 3609 3610 memset(dg, 0, sizeof(*dg)); 3611 3612 dg->dg_secperunit = cd->params.disksize; 3613 dg->dg_secsize = cd->params.blksize; 3614 dg->dg_nsectors = 100; 3615 dg->dg_ntracks = 1; 3616 3617 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL); 3618 } 3619