1 /* $NetBSD: cd.c,v 1.339 2017/01/05 16:35:33 mlelstv 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 1.339 2017/01/05 16:35:33 mlelstv 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_stop(&cd->sc_callout); 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 goto bad; 433 434 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 435 int param_error; 436 437 /* Load the physical device parameters. */ 438 param_error = cd_get_parms(cd, 0); 439 if (param_error == CDGP_RESULT_OFFLINE) { 440 error = ENXIO; 441 goto bad2; 442 } 443 periph->periph_flags |= PERIPH_MEDIA_LOADED; 444 445 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 446 447 cd_set_geometry(cd); 448 } 449 450 periph->periph_flags |= PERIPH_OPEN; 451 return 0; 452 453 bad2: 454 scsipi_prevent(periph, SPAMR_ALLOW, 455 XS_CTL_IGNORE_ILLEGAL_REQUEST | 456 XS_CTL_IGNORE_MEDIA_CHANGE | 457 XS_CTL_SILENT); 458 459 bad: 460 scsipi_adapter_delref(adapt); 461 return error; 462 463 } 464 465 /* 466 * open the device. Make sure the partition info is a up-to-date as can be. 467 */ 468 static int 469 cdopen(dev_t dev, int flag, int fmt, struct lwp *l) 470 { 471 struct cd_softc *cd; 472 struct dk_softc *dksc; 473 struct scsipi_periph *periph; 474 int unit, part; 475 int error; 476 477 unit = CDUNIT(dev); 478 cd = device_lookup_private(&cd_cd, unit); 479 if (cd == NULL) 480 return (ENXIO); 481 dksc = &cd->sc_dksc; 482 483 periph = cd->sc_periph; 484 part = CDPART(dev); 485 486 SC_DEBUG(periph, SCSIPI_DB1, 487 ("cdopen: dev=0x%"PRIu64" (unit %"PRIu32" (of %d), partition %d)\n", 488 dev, unit, cd_cd.cd_ndevs, CDPART(dev))); 489 490 /* 491 * If any partition is open, but the disk has been invalidated, 492 * disallow further opens of non-raw partition 493 */ 494 if ((periph->periph_flags & (PERIPH_OPEN | PERIPH_MEDIA_LOADED)) == 495 PERIPH_OPEN) { 496 if (part != RAW_PART || fmt != S_IFCHR) 497 return EIO; 498 } 499 500 error = dk_open(dksc, dev, flag, fmt, l); 501 502 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 503 504 return error; 505 } 506 507 /* 508 * Serialized by caller 509 */ 510 static int 511 cd_lastclose(device_t self) 512 { 513 struct cd_softc *cd = device_private(self); 514 struct scsipi_periph *periph = cd->sc_periph; 515 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 516 int silent; 517 518 if (cd->flags & CDF_EJECTED) 519 silent = XS_CTL_SILENT; 520 else 521 silent = 0; 522 523 cdcachesync(periph, silent); 524 525 scsipi_wait_drain(periph); 526 527 scsipi_prevent(periph, SPAMR_ALLOW, 528 XS_CTL_IGNORE_ILLEGAL_REQUEST | 529 XS_CTL_IGNORE_NOT_READY | 530 XS_CTL_SILENT); 531 periph->periph_flags &= ~PERIPH_OPEN; 532 533 scsipi_wait_drain(periph); 534 535 scsipi_adapter_delref(adapt); 536 537 return 0; 538 } 539 540 /* 541 * close the device.. only called if we are the LAST 542 * occurence of an open device 543 */ 544 static int 545 cdclose(dev_t dev, int flag, int fmt, struct lwp *l) 546 { 547 struct cd_softc *cd; 548 struct dk_softc *dksc; 549 int unit; 550 551 unit = CDUNIT(dev); 552 cd = device_lookup_private(&cd_cd, unit); 553 dksc = &cd->sc_dksc; 554 555 return dk_close(dksc, dev, flag, fmt, l); 556 } 557 558 static void 559 cd_bounce_buffer_done(struct buf *bp) 560 { 561 struct cdbounce *bounce = bp->b_private; 562 struct buf *obp = bounce->obp; 563 564 if (bp == bounce->lbp) { 565 if ((bounce->lerr = bp->b_error) == 0) 566 memcpy(obp->b_data, (char *)bp->b_data + bounce->head, bounce->lcount); 567 bounce->lbp = NULL; 568 } 569 570 if (bp == bounce->rbp) { 571 if ((bounce->rerr = bp->b_error) == 0) 572 memcpy((char *)obp->b_data + bounce->lcount, bp->b_data, bounce->rcount); 573 bounce->rbp = NULL; 574 } 575 576 free(bp->b_data, M_DEVBUF); 577 putiobuf(bp); 578 579 if (bounce->lbp != NULL || bounce->rbp != NULL) 580 return; 581 582 obp->b_error = bounce->rerr; 583 if (bounce->lerr) 584 obp->b_error = bounce->lerr; 585 586 obp->b_resid = 0; 587 if (obp->b_error) 588 obp->b_resid = obp->b_bcount; 589 590 free(bounce, M_DEVBUF); 591 biodone(obp); 592 } 593 594 static int 595 cd_make_bounce_buffer(struct cd_softc *cd, struct buf *bp, daddr_t blkno, int count, struct buf **nbpp, void *priv) 596 { 597 struct buf *nbp; 598 599 /* We don't support bouncing writes */ 600 if ((bp->b_flags & B_READ) == 0) 601 return EACCES; /* XXX */ 602 603 nbp = getiobuf(NULL, false); 604 if (nbp == NULL) 605 return ENOMEM; 606 607 nbp->b_data = malloc(count, M_DEVBUF, M_NOWAIT); 608 if (nbp->b_data == NULL) { 609 putiobuf(nbp); 610 return ENOMEM; 611 } 612 613 /* Set up the IOP to the bounce buffer */ 614 nbp->b_error = 0; 615 nbp->b_dev = bp->b_dev; 616 nbp->b_proc = bp->b_proc; 617 nbp->b_bcount = count; 618 nbp->b_bufsize = count; 619 nbp->b_blkno = blkno; 620 nbp->b_flags = bp->b_flags | B_READ; 621 nbp->b_oflags = bp->b_oflags; 622 nbp->b_cflags = bp->b_cflags; 623 nbp->b_iodone = cd_bounce_buffer_done; 624 nbp->b_private = priv; 625 626 BIO_COPYPRIO(nbp, bp); 627 628 *nbpp = nbp; 629 return 0; 630 } 631 632 static int 633 cd_make_bounce(struct cd_softc *cd, struct buf *bp, struct cdbounce **bouncep) 634 { 635 struct dk_softc *dksc = &cd->sc_dksc; 636 unsigned secsize = dksc->sc_dkdev.dk_geom.dg_secsize; 637 struct cdbounce *bounce; 638 int bps, nblks, skip, total, count; 639 daddr_t blkno; 640 struct buf *lbp, *rbp; 641 int error; 642 643 bounce = malloc(sizeof(struct cdbounce), M_DEVBUF, M_NOWAIT|M_ZERO); 644 if (bounce == NULL) 645 return ENOMEM; 646 647 bps = howmany(secsize, DEV_BSIZE); 648 nblks = howmany(bp->b_bcount, DEV_BSIZE); 649 650 skip = bp->b_blkno % bps; 651 652 blkno = bp->b_blkno - skip; 653 total = roundup(nblks + skip, bps) * DEV_BSIZE; 654 655 count = total; 656 cd_iosize(dksc->sc_dev, &count); 657 658 bounce->head = skip * DEV_BSIZE; 659 bounce->lcount = count - bounce->head; 660 bounce->rcount = bp->b_bcount - bounce->lcount; 661 662 error = cd_make_bounce_buffer(cd, bp, blkno, count, &lbp, bounce); 663 if (error) 664 goto bad; 665 666 blkno += howmany(count, DEV_BSIZE); 667 count = total - count; 668 669 if (count > 0) { 670 bounce->lbp->b_private = bounce; 671 error = cd_make_bounce_buffer(cd, bp, blkno, count, &rbp, bounce); 672 if (error) { 673 putiobuf(bounce->lbp); 674 goto bad; 675 } 676 } else 677 rbp = NULL; 678 679 bounce->obp = bp; 680 bounce->lbp = lbp; 681 bounce->rbp = rbp; 682 683 *bouncep = bounce; 684 685 return 0; 686 687 bad: 688 free(bounce, M_DEVBUF); 689 return error; 690 } 691 692 /* 693 * Actually translate the requested transfer into one the physical driver can 694 * understand. The transfer is described by a buf and will include only one 695 * physical transfer. 696 */ 697 static void 698 cdstrategy(struct buf *bp) 699 { 700 struct cd_softc *cd = device_lookup_private(&cd_cd,CDUNIT(bp->b_dev)); 701 struct dk_softc *dksc = &cd->sc_dksc; 702 struct scsipi_periph *periph = cd->sc_periph; 703 int error; 704 705 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 706 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 707 ("%d bytes @ blk %" PRId64 "\n", bp->b_bcount, bp->b_blkno)); 708 709 /* 710 * If the device has been made invalid, error out 711 * maybe the media changed 712 */ 713 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 714 if (periph->periph_flags & PERIPH_OPEN) 715 error = EIO; 716 else 717 error = ENODEV; 718 goto bad; 719 } 720 721 /* 722 * If label and device don't agree in sector size use a bounce buffer 723 */ 724 if (dksc->sc_dkdev.dk_label->d_secsize != dksc->sc_dkdev.dk_geom.dg_secsize) { 725 struct cdbounce *bounce = NULL; 726 727 error = cd_make_bounce(cd, bp, &bounce); 728 if (error) 729 goto bad; 730 731 dk_strategy(dksc, bounce->lbp); 732 if (bounce->rbp != NULL) 733 dk_strategy(dksc, bounce->rbp); 734 735 return; 736 } 737 738 dk_strategy(dksc, bp); 739 return; 740 741 bad: 742 bp->b_error = error; 743 bp->b_resid = bp->b_bcount; 744 biodone(bp); 745 } 746 747 /* 748 * Issue single I/O command 749 * 750 * Called from dk_start and implicitely from dk_strategy 751 */ 752 static int 753 cd_diskstart(device_t dev, struct buf *bp) 754 { 755 struct cd_softc *cd = device_private(dev); 756 struct scsipi_periph *periph = cd->sc_periph; 757 struct scsipi_channel *chan = periph->periph_channel; 758 struct scsipi_rw_10 cmd_big; 759 struct scsi_rw_6 cmd_small; 760 struct scsipi_generic *cmdp; 761 struct scsipi_xfer *xs; 762 int error, flags, nblks, cmdlen; 763 764 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 765 766 mutex_enter(chan_mtx(chan)); 767 768 if (periph->periph_active >= periph->periph_openings) { 769 error = EAGAIN; 770 goto out; 771 } 772 773 /* 774 * there is excess capacity, but a special waits 775 * It'll need the adapter as soon as we clear out of the 776 * way and let it run (user level wait). 777 */ 778 if (periph->periph_flags & PERIPH_WAITING) { 779 periph->periph_flags &= ~PERIPH_WAITING; 780 cv_broadcast(periph_cv_periph(periph)); 781 error = EAGAIN; 782 goto out; 783 } 784 785 /* 786 * If the device has become invalid, abort all the 787 * reads and writes until all files have been closed and 788 * re-opened 789 */ 790 if (__predict_false( 791 (periph->periph_flags & PERIPH_MEDIA_LOADED) == 0)) { 792 error = EIO; 793 goto out; 794 } 795 796 nblks = howmany(bp->b_bcount, cd->params.blksize); 797 798 /* 799 * Fill out the scsi command. If the transfer will 800 * fit in a "small" cdb, use it. 801 */ 802 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 803 ((nblks & 0xff) == nblks) && 804 !(periph->periph_quirks & PQUIRK_ONLYBIG)) { 805 /* 806 * We can fit in a small cdb. 807 */ 808 memset(&cmd_small, 0, sizeof(cmd_small)); 809 cmd_small.opcode = (bp->b_flags & B_READ) ? 810 SCSI_READ_6_COMMAND : SCSI_WRITE_6_COMMAND; 811 _lto3b(bp->b_rawblkno, cmd_small.addr); 812 cmd_small.length = nblks & 0xff; 813 cmdlen = sizeof(cmd_small); 814 cmdp = (struct scsipi_generic *)&cmd_small; 815 } else { 816 /* 817 * Need a large cdb. 818 */ 819 memset(&cmd_big, 0, sizeof(cmd_big)); 820 cmd_big.opcode = (bp->b_flags & B_READ) ? 821 READ_10 : WRITE_10; 822 _lto4b(bp->b_rawblkno, cmd_big.addr); 823 _lto2b(nblks, cmd_big.length); 824 cmdlen = sizeof(cmd_big); 825 cmdp = (struct scsipi_generic *)&cmd_big; 826 } 827 828 /* 829 * Figure out what flags to use. 830 */ 831 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC|XS_CTL_SIMPLE_TAG; 832 if (bp->b_flags & B_READ) 833 flags |= XS_CTL_DATA_IN; 834 else 835 flags |= XS_CTL_DATA_OUT; 836 837 /* 838 * Call the routine that chats with the adapter. 839 * Note: we cannot sleep as we may be an interrupt 840 */ 841 xs = scsipi_make_xs_locked(periph, cmdp, cmdlen, 842 (u_char *)bp->b_data, bp->b_bcount, 843 CDRETRIES, 30000, bp, flags); 844 if (__predict_false(xs == NULL)) { 845 /* 846 * out of memory. Keep this buffer in the queue, and 847 * retry later. 848 */ 849 callout_reset(&cd->sc_callout, hz / 2, cdrestart, cd); 850 error = EAGAIN; 851 goto out; 852 } 853 854 error = scsipi_execute_xs(xs); 855 /* with a scsipi_xfer preallocated, scsipi_command can't fail */ 856 KASSERT(error == 0); 857 858 out: 859 mutex_exit(chan_mtx(chan)); 860 861 return error; 862 } 863 864 /* 865 * Recover I/O request after memory shortage 866 * 867 * Called from callout 868 */ 869 static void 870 cdrestart(void *v) 871 { 872 struct cd_softc *cd = v; 873 struct dk_softc *dksc = &cd->sc_dksc; 874 875 dk_start(dksc, NULL); 876 } 877 878 /* 879 * Recover I/O request after memory shortage 880 * 881 * Called from scsipi midlayer when resources have been freed 882 * with channel lock held 883 */ 884 static void 885 cdstart(struct scsipi_periph *periph) 886 { 887 struct cd_softc *cd = device_private(periph->periph_dev); 888 struct dk_softc *dksc = &cd->sc_dksc; 889 struct scsipi_channel *chan = periph->periph_channel; 890 891 /* 892 * release channel lock as dk_start may need to acquire 893 * other locks 894 * 895 * cdstart is called from scsipi_put_xs and all its callers 896 * release the lock afterwards. So releasing it here 897 * doesn't matter. 898 */ 899 mutex_exit(chan_mtx(chan)); 900 901 dk_start(dksc, NULL); 902 903 mutex_enter(chan_mtx(chan)); 904 } 905 906 static void 907 cddone(struct scsipi_xfer *xs, int error) 908 { 909 struct cd_softc *cd = device_private(xs->xs_periph->periph_dev); 910 struct dk_softc *dksc = &cd->sc_dksc; 911 struct buf *bp = xs->bp; 912 913 if (bp) { 914 bp->b_error = error; 915 bp->b_resid = xs->resid; 916 if (error) { 917 /* on a read/write error bp->b_resid is zero, so fix */ 918 bp->b_resid = bp->b_bcount; 919 } 920 921 dk_done(dksc, bp); 922 /* dk_start is called from scsipi_complete */ 923 } 924 } 925 926 static int 927 cd_interpret_sense(struct scsipi_xfer *xs) 928 { 929 struct scsipi_periph *periph = xs->xs_periph; 930 struct scsi_sense_data *sense = &xs->sense.scsi_sense; 931 int retval = EJUSTRETURN; 932 933 /* 934 * If it isn't a extended or extended/deferred error, let 935 * the generic code handle it. 936 */ 937 if (SSD_RCODE(sense->response_code) != SSD_RCODE_CURRENT && 938 SSD_RCODE(sense->response_code) != SSD_RCODE_DEFERRED) 939 return (retval); 940 941 /* 942 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 943 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 944 * wait a bit for the drive to spin up 945 */ 946 947 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 948 (sense->asc == 0x04) && (sense->ascq == 0x01)) { 949 /* 950 * Sleep for 5 seconds to wait for the drive to spin up 951 */ 952 953 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 954 "spinup\n")); 955 if (!callout_pending(&periph->periph_callout)) 956 scsipi_periph_freeze(periph, 1); 957 callout_reset(&periph->periph_callout, 958 5 * hz, scsipi_periph_timed_thaw, periph); 959 retval = ERESTART; 960 } 961 962 /* 963 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit Not 964 * Ready, Operation In Progress" (Sense code 0x04, 0x07), 965 * then wait for the specified time 966 */ 967 968 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 969 (sense->asc == 0x04) && (sense->ascq == 0x07)) { 970 /* 971 * we could listen to the delay; but it looks like the skey 972 * data is not always returned. 973 */ 974 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 975 976 /* wait for a half second and get going again */ 977 if (!callout_pending(&periph->periph_callout)) 978 scsipi_periph_freeze(periph, 1); 979 callout_reset(&periph->periph_callout, 980 hz/2, scsipi_periph_timed_thaw, periph); 981 retval = ERESTART; 982 } 983 984 /* 985 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Long write in 986 * progress" (Sense code 0x04, 0x08), then wait for the specified 987 * time 988 */ 989 990 if ((SSD_SENSE_KEY(sense->flags) == SKEY_NOT_READY) && 991 (sense->asc == 0x04) && (sense->ascq == 0x08)) { 992 /* 993 * long write in process; we could listen to the delay; but it 994 * looks like the skey data is not always returned. 995 */ 996 /* cd_delay = _2btol(sense->sks.sks_bytes); */ 997 998 /* wait for a half second and get going again */ 999 if (!callout_pending(&periph->periph_callout)) 1000 scsipi_periph_freeze(periph, 1); 1001 callout_reset(&periph->periph_callout, 1002 hz/2, scsipi_periph_timed_thaw, periph); 1003 retval = ERESTART; 1004 } 1005 1006 return (retval); 1007 } 1008 1009 static void 1010 cdminphys(struct buf *bp) 1011 { 1012 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(bp->b_dev)); 1013 struct dk_softc *dksc = &cd->sc_dksc; 1014 long xmax; 1015 1016 /* 1017 * If the device is ancient, we want to make sure that 1018 * the transfer fits into a 6-byte cdb. 1019 * 1020 * XXX Note that the SCSI-I spec says that 256-block transfers 1021 * are allowed in a 6-byte read/write, and are specified 1022 * by settng the "length" to 0. However, we're conservative 1023 * here, allowing only 255-block transfers in case an 1024 * ancient device gets confused by length == 0. A length of 0 1025 * in a 10-byte read/write actually means 0 blocks. 1026 */ 1027 if (cd->flags & CDF_ANCIENT) { 1028 xmax = dksc->sc_dkdev.dk_geom.dg_secsize * 0xff; 1029 1030 if (bp->b_bcount > xmax) 1031 bp->b_bcount = xmax; 1032 } 1033 1034 scsipi_adapter_minphys(cd->sc_periph->periph_channel, bp); 1035 } 1036 1037 static void 1038 cd_iosize(device_t dev, int *count) 1039 { 1040 struct buf B; 1041 int bmaj; 1042 1043 bmaj = bdevsw_lookup_major(&cd_bdevsw); 1044 B.b_dev = MAKECDDEV(bmaj,device_unit(dev),RAW_PART); 1045 B.b_bcount = *count; 1046 1047 cdminphys(&B); 1048 1049 *count = B.b_bcount; 1050 } 1051 1052 static int 1053 cdread(dev_t dev, struct uio *uio, int ioflag) 1054 { 1055 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1056 } 1057 1058 static int 1059 cdwrite(dev_t dev, struct uio *uio, int ioflag) 1060 { 1061 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1062 } 1063 1064 #if 0 /* XXX Not used */ 1065 /* 1066 * conversion between minute-seconde-frame and logical block address 1067 * addresses format 1068 */ 1069 static void 1070 lba2msf(u_long lba, u_char *m, u_char *s, u_char *f) 1071 { 1072 u_long tmp; 1073 1074 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1075 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1076 *m = tmp / (CD_SECS * CD_FRAMES); 1077 tmp %= (CD_SECS * CD_FRAMES); 1078 *s = tmp / CD_FRAMES; 1079 *f = tmp % CD_FRAMES; 1080 } 1081 #endif /* XXX Not used */ 1082 1083 /* 1084 * Convert an hour:minute:second:frame address to a logical block adres. In 1085 * theory the number of secs/minute and number of frames/second could be 1086 * configured differently in the device as could the block offset but in 1087 * practice these values are rock solid and most drives don't even allow 1088 * theses values to be changed. 1089 */ 1090 static uint32_t 1091 hmsf2lba(uint8_t h, uint8_t m, uint8_t s, uint8_t f) 1092 { 1093 return (((((uint32_t) h * 60 + m) * CD_SECS) + s) * CD_FRAMES + f) 1094 - CD_BLOCK_OFFSET; 1095 } 1096 1097 static int 1098 cdreadmsaddr(struct cd_softc *cd, struct cd_formatted_toc *toc, int *addr) 1099 { 1100 struct scsipi_periph *periph = cd->sc_periph; 1101 int error; 1102 struct cd_toc_entry *cte; 1103 1104 error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, toc, 1105 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1106 0, 0x40 /* control word for "get MS info" */); 1107 1108 if (error) 1109 return (error); 1110 1111 cte = &toc->entries[0]; 1112 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1113 cte->addr.lba = le32toh(cte->addr.lba); 1114 toc->header.len = le16toh(toc->header.len); 1115 } else { 1116 cte->addr.lba = be32toh(cte->addr.lba); 1117 toc->header.len = be16toh(toc->header.len); 1118 } 1119 1120 *addr = (toc->header.len >= 10 && cte->track > 1) ? 1121 cte->addr.lba : 0; 1122 return 0; 1123 } 1124 1125 /* synchronise caches code from cd.c, move to scsipi_ioctl.c ? */ 1126 static int 1127 cdcachesync(struct scsipi_periph *periph, int flags) { 1128 struct scsi_synchronize_cache_10 cmd; 1129 1130 /* 1131 * Issue a SYNCHRONIZE CACHE. MMC devices have to issue with address 0 1132 * and length 0 as it can't synchronise parts of the disc per spec. 1133 * We ignore ILLEGAL REQUEST in the event that the command is not 1134 * supported by the device, and poll for completion so that we know 1135 * that the cache has actually been flushed. 1136 * 1137 * XXX should we handle the PQUIRK_NOSYNCCACHE ? 1138 */ 1139 1140 memset(&cmd, 0, sizeof(cmd)); 1141 cmd.opcode = SCSI_SYNCHRONIZE_CACHE_10; 1142 1143 return (scsipi_command(periph, (void *)&cmd, sizeof(cmd), 0, 0, 1144 CDRETRIES, 30000, NULL, flags | XS_CTL_IGNORE_ILLEGAL_REQUEST)); 1145 } 1146 1147 static int 1148 do_cdioreadentries(struct cd_softc *cd, struct ioc_read_toc_entry *te, 1149 struct cd_formatted_toc *toc) 1150 { 1151 /* READ TOC format 0 command, entries */ 1152 struct ioc_toc_header *th; 1153 struct cd_toc_entry *cte; 1154 u_int len = te->data_len; 1155 int ntracks; 1156 int error; 1157 1158 th = &toc->header; 1159 1160 if (len > sizeof(toc->entries) || 1161 len < sizeof(toc->entries[0])) 1162 return (EINVAL); 1163 error = cd_read_toc(cd, CD_TOC_FORM, te->address_format, 1164 te->starting_track, toc, 1165 sizeof(toc->header) + len, 1166 0, 0); 1167 if (error) 1168 return (error); 1169 if (te->address_format == CD_LBA_FORMAT) 1170 for (ntracks = 1171 th->ending_track - th->starting_track + 1; 1172 ntracks >= 0; ntracks--) { 1173 cte = &toc->entries[ntracks]; 1174 cte->addr_type = CD_LBA_FORMAT; 1175 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1176 cte->addr.lba = le32toh(cte->addr.lba); 1177 else 1178 cte->addr.lba = be32toh(cte->addr.lba); 1179 } 1180 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1181 th->len = le16toh(th->len); 1182 else 1183 th->len = be16toh(th->len); 1184 return 0; 1185 } 1186 1187 /* 1188 * Perform special action on behalf of the user. 1189 * Knows about the internals of this device 1190 */ 1191 static int 1192 cdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l) 1193 { 1194 struct cd_softc *cd = device_lookup_private(&cd_cd, CDUNIT(dev)); 1195 struct dk_softc *dksc = &cd->sc_dksc; 1196 struct scsipi_periph *periph = cd->sc_periph; 1197 struct cd_formatted_toc toc; 1198 int part = CDPART(dev); 1199 int error; 1200 1201 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1202 1203 /* 1204 * If the device is not valid, some IOCTLs can still be 1205 * handled on the raw partition. Check this here. 1206 */ 1207 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 1208 part != RAW_PART) 1209 return (EIO); 1210 1211 switch (cmd) { 1212 case CDIOCPLAYTRACKS: { 1213 /* PLAY_MSF command */ 1214 struct ioc_play_track *args = addr; 1215 1216 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1217 return (error); 1218 return (cd_play_tracks(cd, &toc, args->start_track, 1219 args->start_index, args->end_track, args->end_index)); 1220 } 1221 case CDIOCPLAYMSF: { 1222 /* PLAY_MSF command */ 1223 struct ioc_play_msf *args = addr; 1224 1225 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1226 return (error); 1227 return (cd_play_msf(cd, args->start_m, args->start_s, 1228 args->start_f, args->end_m, args->end_s, args->end_f)); 1229 } 1230 case CDIOCPLAYBLOCKS: { 1231 /* PLAY command */ 1232 struct ioc_play_blocks *args = addr; 1233 1234 if ((error = cd_set_pa_immed(cd, 0)) != 0) 1235 return (error); 1236 return (cd_play(cd, args->blk, args->len)); 1237 } 1238 case CDIOCREADSUBCHANNEL: { 1239 /* READ_SUBCHANNEL command */ 1240 struct ioc_read_subchannel *args = addr; 1241 struct cd_sub_channel_info data; 1242 u_int len = args->data_len; 1243 1244 if (len > sizeof(data) || 1245 len < sizeof(struct cd_sub_channel_header)) 1246 return (EINVAL); 1247 error = cd_read_subchannel(cd, args->address_format, 1248 args->data_format, args->track, &data, len, 0); 1249 if (error) 1250 return (error); 1251 len = min(len, _2btol(data.header.data_len) + 1252 sizeof(struct cd_sub_channel_header)); 1253 return (copyout(&data, args->data, len)); 1254 } 1255 case CDIOCREADSUBCHANNEL_BUF: { 1256 /* As CDIOCREADSUBCHANNEL, but without a 2nd buffer area */ 1257 struct ioc_read_subchannel_buf *args = addr; 1258 if (args->req.data_len != sizeof args->info) 1259 return EINVAL; 1260 return cd_read_subchannel(cd, args->req.address_format, 1261 args->req.data_format, args->req.track, &args->info, 1262 sizeof(args->info), 0); 1263 } 1264 case CDIOREADTOCHEADER: { 1265 /* READ TOC format 0 command, static header */ 1266 if ((error = cd_read_toc(cd, CD_TOC_FORM, 0, 0, 1267 &toc, sizeof(toc.header), 0, 0)) != 0) 1268 return (error); 1269 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1270 toc.header.len = le16toh(toc.header.len); 1271 else 1272 toc.header.len = be16toh(toc.header.len); 1273 memcpy(addr, &toc.header, sizeof(toc.header)); 1274 return (0); 1275 } 1276 case CDIOREADTOCENTRYS: { 1277 struct ioc_read_toc_entry *te = addr; 1278 error = do_cdioreadentries(cd, te, &toc); 1279 if (error != 0) 1280 return error; 1281 return copyout(toc.entries, te->data, min(te->data_len, 1282 toc.header.len - (sizeof(toc.header.starting_track) 1283 + sizeof(toc.header.ending_track)))); 1284 } 1285 case CDIOREADTOCENTRIES_BUF: { 1286 struct ioc_read_toc_entry_buf *te = addr; 1287 error = do_cdioreadentries(cd, &te->req, &toc); 1288 if (error != 0) 1289 return error; 1290 memcpy(te->entry, toc.entries, min(te->req.data_len, 1291 toc.header.len - (sizeof(toc.header.starting_track) 1292 + sizeof(toc.header.ending_track)))); 1293 return 0; 1294 } 1295 case CDIOREADMSADDR: { 1296 /* READ TOC format 0 command, length of first track only */ 1297 int sessno = *(int*)addr; 1298 1299 if (sessno != 0) 1300 return (EINVAL); 1301 1302 return (cdreadmsaddr(cd, &toc, addr)); 1303 } 1304 case CDIOCSETPATCH: { 1305 struct ioc_patch *arg = addr; 1306 1307 return (cd_setchan(cd, arg->patch[0], arg->patch[1], 1308 arg->patch[2], arg->patch[3], 0)); 1309 } 1310 case CDIOCGETVOL: { 1311 /* MODE SENSE command (AUDIO page) */ 1312 struct ioc_vol *arg = addr; 1313 1314 return (cd_getvol(cd, arg, 0)); 1315 } 1316 case CDIOCSETVOL: { 1317 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1318 struct ioc_vol *arg = addr; 1319 1320 return (cd_setvol(cd, arg, 0)); 1321 } 1322 case CDIOCSETMONO: 1323 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1324 return (cd_setchan(cd, BOTH_CHANNEL, BOTH_CHANNEL, 1325 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1326 1327 case CDIOCSETSTEREO: 1328 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1329 return (cd_setchan(cd, LEFT_CHANNEL, RIGHT_CHANNEL, 1330 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1331 1332 case CDIOCSETMUTE: 1333 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1334 return (cd_setchan(cd, MUTE_CHANNEL, MUTE_CHANNEL, 1335 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1336 1337 case CDIOCSETLEFT: 1338 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1339 return (cd_setchan(cd, LEFT_CHANNEL, LEFT_CHANNEL, 1340 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1341 1342 case CDIOCSETRIGHT: 1343 /* MODE SENSE/MODE SELECT commands (AUDIO page) */ 1344 return (cd_setchan(cd, RIGHT_CHANNEL, RIGHT_CHANNEL, 1345 MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1346 1347 case CDIOCRESUME: 1348 /* PAUSE command */ 1349 return (cd_pause(cd, PA_RESUME)); 1350 case CDIOCPAUSE: 1351 /* PAUSE command */ 1352 return (cd_pause(cd, PA_PAUSE)); 1353 case CDIOCSTART: 1354 return (scsipi_start(periph, SSS_START, 0)); 1355 case CDIOCSTOP: 1356 return (scsipi_start(periph, SSS_STOP, 0)); 1357 case CDIOCCLOSE: 1358 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1359 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1360 case DIOCEJECT: 1361 if (*(int *)addr == 0) { 1362 int pmask = 1 << part; 1363 /* 1364 * Don't force eject: check that we are the only 1365 * partition open. If so, unlock it. 1366 */ 1367 if (DK_BUSY(dksc, pmask) == 0) { 1368 error = scsipi_prevent(periph, SPAMR_ALLOW, 1369 XS_CTL_IGNORE_NOT_READY); 1370 if (error) 1371 return (error); 1372 } else { 1373 return (EBUSY); 1374 } 1375 } 1376 /* FALLTHROUGH */ 1377 case CDIOCEJECT: /* FALLTHROUGH */ 1378 case ODIOCEJECT: 1379 error = scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0); 1380 if (error == 0) 1381 /* Make sure cdclose() will do silent operations */ 1382 cd->flags |= CDF_EJECTED; 1383 return error; 1384 case DIOCCACHESYNC: 1385 /* SYNCHRONISE CACHES command */ 1386 return (cdcachesync(periph, 0)); 1387 case CDIOCALLOW: 1388 return (scsipi_prevent(periph, SPAMR_ALLOW, 0)); 1389 case CDIOCPREVENT: 1390 return (scsipi_prevent(periph, SPAMR_PREVENT_DT, 0)); 1391 case DIOCLOCK: 1392 return (scsipi_prevent(periph, 1393 (*(int *)addr) ? SPAMR_PREVENT_DT : SPAMR_ALLOW, 0)); 1394 case CDIOCSETDEBUG: 1395 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1396 return (0); 1397 case CDIOCCLRDEBUG: 1398 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1399 return (0); 1400 case CDIOCRESET: 1401 case SCIOCRESET: 1402 return (cd_reset(cd)); 1403 case CDIOCLOADUNLOAD: 1404 /* LOAD_UNLOAD command */ 1405 return (cd_load_unload(cd, addr)); 1406 case DVD_AUTH: 1407 /* GPCMD_REPORT_KEY or GPCMD_SEND_KEY command */ 1408 return (dvd_auth(cd, addr)); 1409 case DVD_READ_STRUCT: 1410 /* GPCMD_READ_DVD_STRUCTURE command */ 1411 return (dvd_read_struct(cd, addr)); 1412 case MMCGETDISCINFO: 1413 /* 1414 * GET_CONFIGURATION, READ_DISCINFO, READ_TRACKINFO, 1415 * (READ_TOCf2, READ_CD_CAPACITY and GET_CONFIGURATION) commands 1416 */ 1417 return mmc_getdiscinfo(periph, (struct mmc_discinfo *) addr); 1418 case MMCGETTRACKINFO: 1419 /* READ TOCf2, READ_CD_CAPACITY and READ_TRACKINFO commands */ 1420 return mmc_gettrackinfo(periph, (struct mmc_trackinfo *) addr); 1421 case MMCOP: 1422 /* 1423 * CLOSE TRACK/SESSION, RESERVE_TRACK, REPAIR_TRACK, 1424 * SYNCHRONISE_CACHE commands 1425 */ 1426 return mmc_do_op(periph, (struct mmc_op *) addr); 1427 case MMCSETUPWRITEPARAMS : 1428 /* MODE SENSE page 5, MODE_SELECT page 5 commands */ 1429 return mmc_setup_writeparams(periph, (struct mmc_writeparams *) addr); 1430 default: 1431 error = dk_ioctl(dksc, dev, cmd, addr, flag, l); 1432 if (error == ENOTTY) 1433 error = scsipi_do_ioctl(periph, dev, cmd, addr, flag, l); 1434 return (error); 1435 } 1436 1437 #ifdef DIAGNOSTIC 1438 panic("cdioctl: impossible"); 1439 #endif 1440 } 1441 1442 static void 1443 cd_label(device_t self, struct disklabel *lp) 1444 { 1445 struct cd_softc *cd = device_private(self); 1446 struct cd_formatted_toc toc; 1447 int lastsession; 1448 1449 strncpy(lp->d_typename, "optical media", 16); 1450 lp->d_rpm = 300; 1451 lp->d_flags |= D_REMOVABLE | D_SCSI_MMC; 1452 1453 if (cdreadmsaddr(cd, &toc, &lastsession) != 0) 1454 lastsession = 0; 1455 1456 lp->d_partitions[0].p_offset = 0; 1457 lp->d_partitions[0].p_size = lp->d_secperunit; 1458 lp->d_partitions[0].p_cdsession = lastsession; 1459 lp->d_partitions[0].p_fstype = FS_ISO9660; 1460 1461 lp->d_partitions[RAW_PART].p_offset = 0; 1462 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1463 lp->d_partitions[RAW_PART].p_fstype = FS_UDF; 1464 } 1465 1466 /* 1467 * Reading a disc's total capacity is apparently a very difficult issue for the 1468 * SCSI standardisation group. Every disc type seems to have its own 1469 * (re)invented size request method and modifiers. The failsafe way of 1470 * determining the total (max) capacity i.e. not the recorded capacity but the 1471 * total maximum capacity is to request the info on the last track and 1472 * calculate the last lba. 1473 * 1474 * For ROM drives, we go for the CD recorded capacity. For recordable devices 1475 * we count. 1476 */ 1477 static int 1478 read_cd_capacity(struct scsipi_periph *periph, uint32_t *blksize, u_long *last_lba) 1479 { 1480 struct scsipi_read_cd_capacity cap_cmd; 1481 /* 1482 * XXX: see PR 48550 and PR 48754: 1483 * the ahcisata(4) driver can not deal with unaligned 1484 * data, so align this "a bit" 1485 */ 1486 struct scsipi_read_cd_cap_data cap __aligned(2); 1487 struct scsipi_read_discinfo di_cmd; 1488 struct scsipi_read_discinfo_data di __aligned(2); 1489 struct scsipi_read_trackinfo ti_cmd; 1490 struct scsipi_read_trackinfo_data ti __aligned(2); 1491 uint32_t track_start, track_size; 1492 int error, flags, msb, lsb, last_track; 1493 1494 /* if the device doesn't grok capacity, return the dummies */ 1495 if (periph->periph_quirks & PQUIRK_NOCAPACITY) 1496 return 0; 1497 1498 /* first try read CD capacity for blksize and last recorded lba */ 1499 /* issue the cd capacity request */ 1500 flags = XS_CTL_DATA_IN; 1501 memset(&cap_cmd, 0, sizeof(cap_cmd)); 1502 memset(&cap, 0, sizeof(cap)); 1503 cap_cmd.opcode = READ_CD_CAPACITY; 1504 1505 error = scsipi_command(periph, 1506 (void *) &cap_cmd, sizeof(cap_cmd), 1507 (void *) &cap, sizeof(cap), 1508 CDRETRIES, 30000, NULL, flags); 1509 if (error) 1510 return error; 1511 1512 /* retrieve values and sanity check them */ 1513 *blksize = _4btol(cap.length); 1514 *last_lba = _4btol(cap.addr); 1515 1516 /* blksize is 2048 for CD, but some drives give gibberish */ 1517 if ((*blksize < 512) || ((*blksize & 511) != 0) 1518 || (*blksize > 16*1024)) { 1519 if (*blksize > 16*1024) 1520 aprint_error("read_cd_capacity: extra large block " 1521 "size %u found - limiting to 2kByte\n", 1522 *blksize); 1523 *blksize = 2048; /* some drives lie ! */ 1524 } 1525 1526 /* recordables have READ_DISCINFO implemented */ 1527 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 1528 memset(&di_cmd, 0, sizeof(di_cmd)); 1529 di_cmd.opcode = READ_DISCINFO; 1530 _lto2b(READ_DISCINFO_BIGSIZE, di_cmd.data_len); 1531 1532 error = scsipi_command(periph, 1533 (void *) &di_cmd, sizeof(di_cmd), 1534 (void *) &di, READ_DISCINFO_BIGSIZE, 1535 CDRETRIES, 30000, NULL, flags); 1536 if (error == 0) { 1537 msb = di.last_track_last_session_msb; 1538 lsb = di.last_track_last_session_lsb; 1539 last_track = (msb << 8) | lsb; 1540 1541 /* request info on last track */ 1542 memset(&ti_cmd, 0, sizeof(ti_cmd)); 1543 ti_cmd.opcode = READ_TRACKINFO; 1544 ti_cmd.addr_type = 1; /* on tracknr */ 1545 _lto4b(last_track, ti_cmd.address); /* tracknr */ 1546 _lto2b(sizeof(ti), ti_cmd.data_len); 1547 1548 error = scsipi_command(periph, 1549 (void *) &ti_cmd, sizeof(ti_cmd), 1550 (void *) &ti, sizeof(ti), 1551 CDRETRIES, 30000, NULL, flags); 1552 if (error == 0) { 1553 track_start = _4btol(ti.track_start); 1554 track_size = _4btol(ti.track_size); 1555 1556 /* overwrite only with a sane value */ 1557 if (track_start + track_size >= 100) 1558 *last_lba = (u_long) track_start + track_size -1; 1559 } 1560 } 1561 1562 /* sanity check for lba_size */ 1563 if (*last_lba < 100) 1564 *last_lba = 400000-1; 1565 1566 return 0; 1567 } 1568 1569 /* 1570 * Find out from the device what its capacity is 1571 */ 1572 static u_long 1573 cd_size(struct cd_softc *cd, int flags) 1574 { 1575 uint32_t blksize = 2048; 1576 u_long last_lba = 0, size; 1577 int error; 1578 1579 error = read_cd_capacity(cd->sc_periph, &blksize, &last_lba); 1580 if (error) 1581 goto error; 1582 1583 if (blksize != 2048) { 1584 if (cd_setblksize(cd) == 0) { 1585 blksize = 2048; 1586 error = read_cd_capacity(cd->sc_periph, 1587 &blksize, &last_lba); 1588 if (error) 1589 goto error; 1590 } 1591 } 1592 1593 size = last_lba + 1; 1594 cd->params.blksize = blksize; 1595 cd->params.disksize = size; 1596 cd->params.disksize512 = ((u_int64_t)cd->params.disksize * blksize) / DEV_BSIZE; 1597 1598 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1599 ("cd_size: %u %lu\n", blksize, size)); 1600 1601 return size; 1602 1603 error: 1604 /* something went wrong */ 1605 cd->params.blksize = 2048; 1606 cd->params.disksize = 0; 1607 cd->params.disksize512 = 0; 1608 1609 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cd_size: failed\n")); 1610 1611 return 0; 1612 } 1613 1614 /* 1615 * Get scsi driver to send a "start playing" command 1616 */ 1617 static int 1618 cd_play(struct cd_softc *cd, int blkno, int nblks) 1619 { 1620 struct scsipi_play cmd; 1621 1622 memset(&cmd, 0, sizeof(cmd)); 1623 cmd.opcode = PLAY; 1624 _lto4b(blkno, cmd.blk_addr); 1625 _lto2b(nblks, cmd.xfer_len); 1626 1627 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1628 CDRETRIES, 30000, NULL, 0)); 1629 } 1630 1631 /* 1632 * Get scsi driver to send a "start playing" command 1633 */ 1634 static int 1635 cd_play_tracks(struct cd_softc *cd, struct cd_formatted_toc *toc, int strack, 1636 int sindex, int etrack, int eindex) 1637 { 1638 int error; 1639 1640 if (!etrack) 1641 return (EIO); 1642 if (strack > etrack) 1643 return (EINVAL); 1644 1645 error = cd_load_toc(cd, CD_TOC_FORM, toc, 0); 1646 if (error) 1647 return (error); 1648 1649 if (++etrack > (toc->header.ending_track+1)) 1650 etrack = toc->header.ending_track+1; 1651 1652 strack -= toc->header.starting_track; 1653 etrack -= toc->header.starting_track; 1654 if (strack < 0) 1655 return (EINVAL); 1656 1657 return (cd_play_msf(cd, toc->entries[strack].addr.msf.minute, 1658 toc->entries[strack].addr.msf.second, 1659 toc->entries[strack].addr.msf.frame, 1660 toc->entries[etrack].addr.msf.minute, 1661 toc->entries[etrack].addr.msf.second, 1662 toc->entries[etrack].addr.msf.frame)); 1663 } 1664 1665 /* 1666 * Get scsi driver to send a "play msf" command 1667 */ 1668 static int 1669 cd_play_msf(struct cd_softc *cd, int startm, int starts, int startf, int endm, 1670 int ends, int endf) 1671 { 1672 struct scsipi_play_msf cmd; 1673 1674 memset(&cmd, 0, sizeof(cmd)); 1675 cmd.opcode = PLAY_MSF; 1676 cmd.start_m = startm; 1677 cmd.start_s = starts; 1678 cmd.start_f = startf; 1679 cmd.end_m = endm; 1680 cmd.end_s = ends; 1681 cmd.end_f = endf; 1682 1683 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1684 CDRETRIES, 30000, NULL, 0)); 1685 } 1686 1687 /* 1688 * Get scsi driver to send a "start up" command 1689 */ 1690 static int 1691 cd_pause(struct cd_softc *cd, int go) 1692 { 1693 struct scsipi_pause cmd; 1694 1695 memset(&cmd, 0, sizeof(cmd)); 1696 cmd.opcode = PAUSE; 1697 cmd.resume = go & 0xff; 1698 1699 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 1700 CDRETRIES, 30000, NULL, 0)); 1701 } 1702 1703 /* 1704 * Get scsi driver to send a "RESET" command 1705 */ 1706 static int 1707 cd_reset(struct cd_softc *cd) 1708 { 1709 1710 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1711 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1712 } 1713 1714 /* 1715 * Read subchannel 1716 */ 1717 static int 1718 cd_read_subchannel(struct cd_softc *cd, int mode, int format, int track, 1719 struct cd_sub_channel_info *data, int len, int flags) 1720 { 1721 struct scsipi_read_subchannel cmd; 1722 1723 memset(&cmd, 0, sizeof(cmd)); 1724 cmd.opcode = READ_SUBCHANNEL; 1725 if (mode == CD_MSF_FORMAT) 1726 cmd.byte2 |= CD_MSF; 1727 cmd.byte3 = SRS_SUBQ; 1728 cmd.subchan_format = format; 1729 cmd.track = track; 1730 _lto2b(len, cmd.data_len); 1731 1732 return (scsipi_command(cd->sc_periph, 1733 (void *)&cmd, sizeof(struct scsipi_read_subchannel), 1734 (void *)data, len, 1735 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1736 } 1737 1738 /* 1739 * Read table of contents 1740 */ 1741 static int 1742 cd_read_toc(struct cd_softc *cd, int respf, int mode, int start, 1743 struct cd_formatted_toc *toc, int len, int flags, int control) 1744 { 1745 struct scsipi_read_toc cmd; 1746 int ntoc; 1747 1748 memset(&cmd, 0, sizeof(cmd)); 1749 #if 0 1750 if (len != sizeof(struct ioc_toc_header)) 1751 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1752 sizeof(struct cd_toc_entry); 1753 else 1754 #endif 1755 ntoc = len; 1756 cmd.opcode = READ_TOC; 1757 if (mode == CD_MSF_FORMAT) 1758 cmd.addr_mode |= CD_MSF; 1759 cmd.resp_format = respf; 1760 cmd.from_track = start; 1761 _lto2b(ntoc, cmd.data_len); 1762 cmd.control = control; 1763 1764 return (scsipi_command(cd->sc_periph, 1765 (void *)&cmd, sizeof(cmd), (void *)toc, len, CDRETRIES, 1766 30000, NULL, flags | XS_CTL_DATA_IN)); 1767 } 1768 1769 static int 1770 cd_load_toc(struct cd_softc *cd, int respf, struct cd_formatted_toc *toc, int flags) 1771 { 1772 int ntracks, len, error; 1773 1774 if ((error = cd_read_toc(cd, respf, 0, 0, toc, sizeof(toc->header), 1775 flags, 0)) != 0) 1776 return (error); 1777 1778 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1779 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1780 sizeof(toc->header); 1781 if ((error = cd_read_toc(cd, respf, CD_MSF_FORMAT, 0, toc, len, 1782 flags, 0)) != 0) 1783 return (error); 1784 return (0); 1785 } 1786 1787 /* 1788 * Get the scsi driver to send a full inquiry to the device and use the 1789 * results to fill out the disk parameter structure. 1790 */ 1791 static int 1792 cd_get_parms(struct cd_softc *cd, int flags) 1793 { 1794 1795 /* 1796 * give a number of sectors so that sec * trks * cyls 1797 * is <= disk_size 1798 */ 1799 if (cd_size(cd, flags) == 0) 1800 return (ENXIO); 1801 return (0); 1802 } 1803 1804 static int 1805 cdsize(dev_t dev) 1806 { 1807 1808 /* CD-ROMs are read-only. */ 1809 return (-1); 1810 } 1811 1812 static int 1813 cddump(dev_t dev, daddr_t blkno, void *va, size_t size) 1814 { 1815 1816 /* Not implemented. */ 1817 return (ENXIO); 1818 } 1819 1820 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1821 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1822 1823 static int 1824 dvd_auth(struct cd_softc *cd, dvd_authinfo *a) 1825 { 1826 struct scsipi_generic cmd; 1827 u_int8_t bf[20]; 1828 int error; 1829 1830 memset(cmd.bytes, 0, 15); 1831 memset(bf, 0, sizeof(bf)); 1832 1833 switch (a->type) { 1834 case DVD_LU_SEND_AGID: 1835 cmd.opcode = GPCMD_REPORT_KEY; 1836 cmd.bytes[8] = 8; 1837 cmd.bytes[9] = 0 | (0 << 6); 1838 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1839 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1840 if (error) 1841 return (error); 1842 a->lsa.agid = bf[7] >> 6; 1843 return (0); 1844 1845 case DVD_LU_SEND_CHALLENGE: 1846 cmd.opcode = GPCMD_REPORT_KEY; 1847 cmd.bytes[8] = 16; 1848 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1849 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1850 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1851 if (error) 1852 return (error); 1853 dvd_copy_challenge(a->lsc.chal, &bf[4]); 1854 return (0); 1855 1856 case DVD_LU_SEND_KEY1: 1857 cmd.opcode = GPCMD_REPORT_KEY; 1858 cmd.bytes[8] = 12; 1859 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 1860 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1861 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1862 if (error) 1863 return (error); 1864 dvd_copy_key(a->lsk.key, &bf[4]); 1865 return (0); 1866 1867 case DVD_LU_SEND_TITLE_KEY: 1868 cmd.opcode = GPCMD_REPORT_KEY; 1869 _lto4b(a->lstk.lba, &cmd.bytes[1]); 1870 cmd.bytes[8] = 12; 1871 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 1872 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1873 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1874 if (error) 1875 return (error); 1876 a->lstk.cpm = (bf[4] >> 7) & 1; 1877 a->lstk.cp_sec = (bf[4] >> 6) & 1; 1878 a->lstk.cgms = (bf[4] >> 4) & 3; 1879 dvd_copy_key(a->lstk.title_key, &bf[5]); 1880 return (0); 1881 1882 case DVD_LU_SEND_ASF: 1883 cmd.opcode = GPCMD_REPORT_KEY; 1884 cmd.bytes[8] = 8; 1885 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 1886 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1887 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1888 if (error) 1889 return (error); 1890 a->lsasf.asf = bf[7] & 1; 1891 return (0); 1892 1893 case DVD_HOST_SEND_CHALLENGE: 1894 cmd.opcode = GPCMD_SEND_KEY; 1895 cmd.bytes[8] = 16; 1896 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 1897 bf[1] = 14; 1898 dvd_copy_challenge(&bf[4], a->hsc.chal); 1899 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1900 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1901 if (error) 1902 return (error); 1903 a->type = DVD_LU_SEND_KEY1; 1904 return (0); 1905 1906 case DVD_HOST_SEND_KEY2: 1907 cmd.opcode = GPCMD_SEND_KEY; 1908 cmd.bytes[8] = 12; 1909 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 1910 bf[1] = 10; 1911 dvd_copy_key(&bf[4], a->hsk.key); 1912 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 12, 1913 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1914 if (error) { 1915 a->type = DVD_AUTH_FAILURE; 1916 return (error); 1917 } 1918 a->type = DVD_AUTH_ESTABLISHED; 1919 return (0); 1920 1921 case DVD_INVALIDATE_AGID: 1922 cmd.opcode = GPCMD_REPORT_KEY; 1923 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 1924 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 16, 1925 CDRETRIES, 30000, NULL, 0); 1926 if (error) 1927 return (error); 1928 return (0); 1929 1930 case DVD_LU_SEND_RPC_STATE: 1931 cmd.opcode = GPCMD_REPORT_KEY; 1932 cmd.bytes[8] = 8; 1933 cmd.bytes[9] = 8 | (0 << 6); 1934 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1935 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1936 if (error) 1937 return (error); 1938 a->lrpcs.type = (bf[4] >> 6) & 3; 1939 a->lrpcs.vra = (bf[4] >> 3) & 7; 1940 a->lrpcs.ucca = (bf[4]) & 7; 1941 a->lrpcs.region_mask = bf[5]; 1942 a->lrpcs.rpc_scheme = bf[6]; 1943 return (0); 1944 1945 case DVD_HOST_SEND_RPC_STATE: 1946 cmd.opcode = GPCMD_SEND_KEY; 1947 cmd.bytes[8] = 8; 1948 cmd.bytes[9] = 6 | (0 << 6); 1949 bf[1] = 6; 1950 bf[4] = a->hrpcs.pdrc; 1951 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 8, 1952 CDRETRIES, 30000, NULL, XS_CTL_DATA_OUT); 1953 if (error) 1954 return (error); 1955 return (0); 1956 1957 default: 1958 return (ENOTTY); 1959 } 1960 } 1961 1962 static int 1963 dvd_read_physical(struct cd_softc *cd, dvd_struct *s) 1964 { 1965 struct scsipi_generic cmd; 1966 u_int8_t bf[4 + 4 * 20], *bufp; 1967 int error; 1968 struct dvd_layer *layer; 1969 int i; 1970 1971 memset(cmd.bytes, 0, 15); 1972 memset(bf, 0, sizeof(bf)); 1973 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 1974 cmd.bytes[6] = s->type; 1975 _lto2b(sizeof(bf), &cmd.bytes[7]); 1976 1977 cmd.bytes[5] = s->physical.layer_num; 1978 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 1979 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 1980 if (error) 1981 return (error); 1982 for (i = 0, bufp = &bf[4], layer = &s->physical.layer[0]; i < 4; 1983 i++, bufp += 20, layer++) { 1984 memset(layer, 0, sizeof(*layer)); 1985 layer->book_version = bufp[0] & 0xf; 1986 layer->book_type = bufp[0] >> 4; 1987 layer->min_rate = bufp[1] & 0xf; 1988 layer->disc_size = bufp[1] >> 4; 1989 layer->layer_type = bufp[2] & 0xf; 1990 layer->track_path = (bufp[2] >> 4) & 1; 1991 layer->nlayers = (bufp[2] >> 5) & 3; 1992 layer->track_density = bufp[3] & 0xf; 1993 layer->linear_density = bufp[3] >> 4; 1994 layer->start_sector = _4btol(&bufp[4]); 1995 layer->end_sector = _4btol(&bufp[8]); 1996 layer->end_sector_l0 = _4btol(&bufp[12]); 1997 layer->bca = bufp[16] >> 7; 1998 } 1999 return (0); 2000 } 2001 2002 static int 2003 dvd_read_copyright(struct cd_softc *cd, dvd_struct *s) 2004 { 2005 struct scsipi_generic cmd; 2006 u_int8_t bf[8]; 2007 int error; 2008 2009 memset(cmd.bytes, 0, 15); 2010 memset(bf, 0, sizeof(bf)); 2011 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2012 cmd.bytes[6] = s->type; 2013 _lto2b(sizeof(bf), &cmd.bytes[7]); 2014 2015 cmd.bytes[5] = s->copyright.layer_num; 2016 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2017 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2018 if (error) 2019 return (error); 2020 s->copyright.cpst = bf[4]; 2021 s->copyright.rmi = bf[5]; 2022 return (0); 2023 } 2024 2025 static int 2026 dvd_read_disckey(struct cd_softc *cd, dvd_struct *s) 2027 { 2028 struct scsipi_generic cmd; 2029 u_int8_t *bf; 2030 int error; 2031 2032 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2033 if (bf == NULL) 2034 return EIO; 2035 memset(cmd.bytes, 0, 15); 2036 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2037 cmd.bytes[6] = s->type; 2038 _lto2b(4 + 2048, &cmd.bytes[7]); 2039 2040 cmd.bytes[9] = s->disckey.agid << 6; 2041 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2042 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2043 if (error == 0) 2044 memcpy(s->disckey.value, &bf[4], 2048); 2045 free(bf, M_TEMP); 2046 return error; 2047 } 2048 2049 static int 2050 dvd_read_bca(struct cd_softc *cd, dvd_struct *s) 2051 { 2052 struct scsipi_generic cmd; 2053 u_int8_t bf[4 + 188]; 2054 int error; 2055 2056 memset(cmd.bytes, 0, 15); 2057 memset(bf, 0, sizeof(bf)); 2058 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2059 cmd.bytes[6] = s->type; 2060 _lto2b(sizeof(bf), &cmd.bytes[7]); 2061 2062 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, sizeof(bf), 2063 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2064 if (error) 2065 return (error); 2066 s->bca.len = _2btol(&bf[0]); 2067 if (s->bca.len < 12 || s->bca.len > 188) 2068 return (EIO); 2069 memcpy(s->bca.value, &bf[4], s->bca.len); 2070 return (0); 2071 } 2072 2073 static int 2074 dvd_read_manufact(struct cd_softc *cd, dvd_struct *s) 2075 { 2076 struct scsipi_generic cmd; 2077 u_int8_t *bf; 2078 int error; 2079 2080 bf = malloc(4 + 2048, M_TEMP, M_WAITOK|M_ZERO); 2081 if (bf == NULL) 2082 return (EIO); 2083 memset(cmd.bytes, 0, 15); 2084 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2085 cmd.bytes[6] = s->type; 2086 _lto2b(4 + 2048, &cmd.bytes[7]); 2087 2088 error = scsipi_command(cd->sc_periph, &cmd, 12, bf, 4 + 2048, 2089 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN); 2090 if (error == 0) { 2091 s->manufact.len = _2btol(&bf[0]); 2092 if (s->manufact.len >= 0 && s->manufact.len <= 2048) 2093 memcpy(s->manufact.value, &bf[4], s->manufact.len); 2094 else 2095 error = EIO; 2096 } 2097 free(bf, M_TEMP); 2098 return error; 2099 } 2100 2101 static int 2102 dvd_read_struct(struct cd_softc *cd, dvd_struct *s) 2103 { 2104 2105 switch (s->type) { 2106 case DVD_STRUCT_PHYSICAL: 2107 return (dvd_read_physical(cd, s)); 2108 case DVD_STRUCT_COPYRIGHT: 2109 return (dvd_read_copyright(cd, s)); 2110 case DVD_STRUCT_DISCKEY: 2111 return (dvd_read_disckey(cd, s)); 2112 case DVD_STRUCT_BCA: 2113 return (dvd_read_bca(cd, s)); 2114 case DVD_STRUCT_MANUFACT: 2115 return (dvd_read_manufact(cd, s)); 2116 default: 2117 return (EINVAL); 2118 } 2119 } 2120 2121 static int 2122 cd_mode_sense(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2123 int page, int flags, int *big) 2124 { 2125 2126 if (cd->sc_periph->periph_quirks & PQUIRK_ONLYBIG) { 2127 *big = 1; 2128 return scsipi_mode_sense_big(cd->sc_periph, byte2, page, sense, 2129 size + sizeof(struct scsi_mode_parameter_header_10), 2130 flags, CDRETRIES, 20000); 2131 } else { 2132 *big = 0; 2133 return scsipi_mode_sense(cd->sc_periph, byte2, page, sense, 2134 size + sizeof(struct scsi_mode_parameter_header_6), 2135 flags, CDRETRIES, 20000); 2136 } 2137 } 2138 2139 static int 2140 cd_mode_select(struct cd_softc *cd, u_int8_t byte2, void *sense, size_t size, 2141 int flags, int big) 2142 { 2143 2144 if (big) { 2145 struct scsi_mode_parameter_header_10 *header = sense; 2146 2147 _lto2b(0, header->data_length); 2148 return scsipi_mode_select_big(cd->sc_periph, byte2, sense, 2149 size + sizeof(struct scsi_mode_parameter_header_10), 2150 flags, CDRETRIES, 20000); 2151 } else { 2152 struct scsi_mode_parameter_header_6 *header = sense; 2153 2154 header->data_length = 0; 2155 return scsipi_mode_select(cd->sc_periph, byte2, sense, 2156 size + sizeof(struct scsi_mode_parameter_header_6), 2157 flags, CDRETRIES, 20000); 2158 } 2159 } 2160 2161 static int 2162 cd_set_pa_immed(struct cd_softc *cd, int flags) 2163 { 2164 struct { 2165 union { 2166 struct scsi_mode_parameter_header_6 small; 2167 struct scsi_mode_parameter_header_10 big; 2168 } header; 2169 struct cd_audio_page page; 2170 } data; 2171 int error; 2172 uint8_t oflags; 2173 int big, byte2; 2174 struct cd_audio_page *page; 2175 2176 byte2 = SMS_DBD; 2177 try_again: 2178 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2179 AUDIO_PAGE, flags, &big)) != 0) { 2180 if (byte2 == SMS_DBD) { 2181 /* Device may not understand DBD; retry without */ 2182 byte2 = 0; 2183 goto try_again; 2184 } 2185 return (error); 2186 } 2187 2188 if (big) 2189 page = (void *)((u_long)&data.header.big + 2190 sizeof data.header.big + 2191 _2btol(data.header.big.blk_desc_len)); 2192 else 2193 page = (void *)((u_long)&data.header.small + 2194 sizeof data.header.small + 2195 data.header.small.blk_desc_len); 2196 2197 oflags = page->flags; 2198 page->flags &= ~CD_PA_SOTC; 2199 page->flags |= CD_PA_IMMED; 2200 if (oflags == page->flags) 2201 return (0); 2202 2203 return (cd_mode_select(cd, SMS_PF, &data, 2204 sizeof(struct scsi_mode_page_header) + page->pg_length, 2205 flags, big)); 2206 } 2207 2208 static int 2209 cd_setchan(struct cd_softc *cd, int p0, int p1, int p2, int p3, int flags) 2210 { 2211 struct { 2212 union { 2213 struct scsi_mode_parameter_header_6 small; 2214 struct scsi_mode_parameter_header_10 big; 2215 } header; 2216 struct cd_audio_page page; 2217 } data; 2218 int error; 2219 int big, byte2; 2220 struct cd_audio_page *page; 2221 2222 byte2 = SMS_DBD; 2223 try_again: 2224 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2225 AUDIO_PAGE, flags, &big)) != 0) { 2226 if (byte2 == SMS_DBD) { 2227 /* Device may not understand DBD; retry without */ 2228 byte2 = 0; 2229 goto try_again; 2230 } 2231 return (error); 2232 } 2233 2234 if (big) 2235 page = (void *)((u_long)&data.header.big + 2236 sizeof data.header.big + 2237 _2btol(data.header.big.blk_desc_len)); 2238 else 2239 page = (void *)((u_long)&data.header.small + 2240 sizeof data.header.small + 2241 data.header.small.blk_desc_len); 2242 2243 page->port[0].channels = p0; 2244 page->port[1].channels = p1; 2245 page->port[2].channels = p2; 2246 page->port[3].channels = p3; 2247 2248 return (cd_mode_select(cd, SMS_PF, &data, 2249 sizeof(struct scsi_mode_page_header) + page->pg_length, 2250 flags, big)); 2251 } 2252 2253 static int 2254 cd_getvol(struct cd_softc *cd, struct ioc_vol *arg, int flags) 2255 { 2256 struct { 2257 union { 2258 struct scsi_mode_parameter_header_6 small; 2259 struct scsi_mode_parameter_header_10 big; 2260 } header; 2261 struct cd_audio_page page; 2262 } data; 2263 int error; 2264 int big, byte2; 2265 struct cd_audio_page *page; 2266 2267 byte2 = SMS_DBD; 2268 try_again: 2269 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2270 AUDIO_PAGE, flags, &big)) != 0) { 2271 if (byte2 == SMS_DBD) { 2272 /* Device may not understand DBD; retry without */ 2273 byte2 = 0; 2274 goto try_again; 2275 } 2276 return (error); 2277 } 2278 2279 if (big) 2280 page = (void *)((u_long)&data.header.big + 2281 sizeof data.header.big + 2282 _2btol(data.header.big.blk_desc_len)); 2283 else 2284 page = (void *)((u_long)&data.header.small + 2285 sizeof data.header.small + 2286 data.header.small.blk_desc_len); 2287 2288 arg->vol[0] = page->port[0].volume; 2289 arg->vol[1] = page->port[1].volume; 2290 arg->vol[2] = page->port[2].volume; 2291 arg->vol[3] = page->port[3].volume; 2292 2293 return (0); 2294 } 2295 2296 static int 2297 cd_setvol(struct cd_softc *cd, const struct ioc_vol *arg, int flags) 2298 { 2299 struct { 2300 union { 2301 struct scsi_mode_parameter_header_6 small; 2302 struct scsi_mode_parameter_header_10 big; 2303 } header; 2304 struct cd_audio_page page; 2305 } data, mask; 2306 int error; 2307 int big, byte2; 2308 struct cd_audio_page *page, *page2; 2309 2310 byte2 = SMS_DBD; 2311 try_again: 2312 if ((error = cd_mode_sense(cd, byte2, &data, sizeof(data.page), 2313 AUDIO_PAGE, flags, &big)) != 0) { 2314 if (byte2 == SMS_DBD) { 2315 /* Device may not understand DBD; retry without */ 2316 byte2 = 0; 2317 goto try_again; 2318 } 2319 return (error); 2320 } 2321 if ((error = cd_mode_sense(cd, byte2, &mask, sizeof(mask.page), 2322 AUDIO_PAGE|SMS_PCTRL_CHANGEABLE, flags, &big)) != 0) 2323 return (error); 2324 2325 if (big) { 2326 page = (void *)((u_long)&data.header.big + 2327 sizeof data.header.big + 2328 _2btol(data.header.big.blk_desc_len)); 2329 page2 = (void *)((u_long)&mask.header.big + 2330 sizeof mask.header.big + 2331 _2btol(mask.header.big.blk_desc_len)); 2332 } else { 2333 page = (void *)((u_long)&data.header.small + 2334 sizeof data.header.small + 2335 data.header.small.blk_desc_len); 2336 page2 = (void *)((u_long)&mask.header.small + 2337 sizeof mask.header.small + 2338 mask.header.small.blk_desc_len); 2339 } 2340 2341 page->port[0].volume = arg->vol[0] & page2->port[0].volume; 2342 page->port[1].volume = arg->vol[1] & page2->port[1].volume; 2343 page->port[2].volume = arg->vol[2] & page2->port[2].volume; 2344 page->port[3].volume = arg->vol[3] & page2->port[3].volume; 2345 2346 page->port[0].channels = CHANNEL_0; 2347 page->port[1].channels = CHANNEL_1; 2348 2349 return (cd_mode_select(cd, SMS_PF, &data, 2350 sizeof(struct scsi_mode_page_header) + page->pg_length, 2351 flags, big)); 2352 } 2353 2354 static int 2355 cd_load_unload(struct cd_softc *cd, struct ioc_load_unload *args) 2356 { 2357 struct scsipi_load_unload cmd; 2358 2359 memset(&cmd, 0, sizeof(cmd)); 2360 cmd.opcode = LOAD_UNLOAD; 2361 cmd.options = args->options; /* ioctl uses MMC values */ 2362 cmd.slot = args->slot; 2363 2364 return (scsipi_command(cd->sc_periph, (void *)&cmd, sizeof(cmd), 0, 0, 2365 CDRETRIES, 200000, NULL, 0)); 2366 } 2367 2368 static int 2369 cd_setblksize(struct cd_softc *cd) 2370 { 2371 struct { 2372 union { 2373 struct scsi_mode_parameter_header_6 small; 2374 struct scsi_mode_parameter_header_10 big; 2375 } header; 2376 struct scsi_general_block_descriptor blk_desc; 2377 } data; 2378 int error; 2379 int big, bsize; 2380 struct scsi_general_block_descriptor *bdesc; 2381 2382 if ((error = cd_mode_sense(cd, 0, &data, sizeof(data.blk_desc), 0, 0, 2383 &big)) != 0) 2384 return (error); 2385 2386 if (big) { 2387 bdesc = (void *)(&data.header.big + 1); 2388 bsize = _2btol(data.header.big.blk_desc_len); 2389 } else { 2390 bdesc = (void *)(&data.header.small + 1); 2391 bsize = data.header.small.blk_desc_len; 2392 } 2393 2394 if (bsize == 0) { 2395 printf("cd_setblksize: trying to change bsize, but no blk_desc\n"); 2396 return (EINVAL); 2397 } 2398 if (_3btol(bdesc->blklen) == 2048) { 2399 printf("cd_setblksize: trying to change bsize, but blk_desc is correct\n"); 2400 return (EINVAL); 2401 } 2402 2403 _lto3b(2048, bdesc->blklen); 2404 2405 return (cd_mode_select(cd, SMS_PF, &data, sizeof(data.blk_desc), 0, 2406 big)); 2407 } 2408 2409 2410 static int 2411 mmc_profile2class(uint16_t mmc_profile) 2412 { 2413 switch (mmc_profile) { 2414 case 0x01 : /* SCSI discs */ 2415 case 0x02 : 2416 /* this can't happen really, cd.c wouldn't have matched */ 2417 return MMC_CLASS_DISC; 2418 case 0x03 : /* Magneto Optical with sector erase */ 2419 case 0x04 : /* Magneto Optical write once */ 2420 case 0x05 : /* Advance Storage Magneto Optical */ 2421 return MMC_CLASS_MO; 2422 case 0x00 : /* Unknown MMC profile, can also be CD-ROM */ 2423 case 0x08 : /* CD-ROM */ 2424 case 0x09 : /* CD-R */ 2425 case 0x0a : /* CD-RW */ 2426 return MMC_CLASS_CD; 2427 case 0x10 : /* DVD-ROM */ 2428 case 0x11 : /* DVD-R */ 2429 case 0x12 : /* DVD-RAM */ 2430 case 0x13 : /* DVD-RW restricted overwrite */ 2431 case 0x14 : /* DVD-RW sequential */ 2432 case 0x1a : /* DVD+RW */ 2433 case 0x1b : /* DVD+R */ 2434 case 0x2a : /* DVD+RW Dual layer */ 2435 case 0x2b : /* DVD+R Dual layer */ 2436 case 0x50 : /* HD DVD-ROM */ 2437 case 0x51 : /* HD DVD-R */ 2438 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 2439 return MMC_CLASS_DVD; 2440 case 0x40 : /* BD-ROM */ 2441 case 0x41 : /* BD-R Sequential recording (SRM) */ 2442 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 2443 case 0x43 : /* BD-RE */ 2444 return MMC_CLASS_BD; 2445 } 2446 return MMC_CLASS_UNKN; 2447 } 2448 2449 2450 /* 2451 * Drive/media combination is reflected in a series of features that can 2452 * either be current or dormant. We try to make sense out of them to create a 2453 * set of easy to use flags that abstract the device/media capabilities. 2454 */ 2455 2456 static void 2457 mmc_process_feature(struct mmc_discinfo *mmc_discinfo, 2458 uint16_t feature, int cur, uint8_t *rpos) 2459 { 2460 uint32_t blockingnr; 2461 uint64_t flags; 2462 2463 if (cur == 1) { 2464 flags = mmc_discinfo->mmc_cur; 2465 } else { 2466 flags = mmc_discinfo->mmc_cap; 2467 } 2468 2469 switch (feature) { 2470 case 0x0010 : /* random readable feature */ 2471 blockingnr = rpos[5] | (rpos[4] << 8); 2472 if (blockingnr > 1) 2473 flags |= MMC_CAP_PACKET; 2474 2475 /* RW error page */ 2476 break; 2477 case 0x0020 : /* random writable feature */ 2478 flags |= MMC_CAP_RECORDABLE; 2479 flags |= MMC_CAP_REWRITABLE; 2480 blockingnr = rpos[9] | (rpos[8] << 8); 2481 if (blockingnr > 1) 2482 flags |= MMC_CAP_PACKET; 2483 break; 2484 case 0x0021 : /* incremental streaming write feature */ 2485 flags |= MMC_CAP_RECORDABLE; 2486 flags |= MMC_CAP_SEQUENTIAL; 2487 if (cur) 2488 mmc_discinfo->link_block_penalty = rpos[4]; 2489 if (rpos[2] & 1) 2490 flags |= MMC_CAP_ZEROLINKBLK; 2491 break; 2492 case 0x0022 : /* (obsolete) erase support feature */ 2493 flags |= MMC_CAP_RECORDABLE; 2494 flags |= MMC_CAP_ERASABLE; 2495 break; 2496 case 0x0023 : /* formatting media support feature */ 2497 flags |= MMC_CAP_RECORDABLE; 2498 flags |= MMC_CAP_FORMATTABLE; 2499 break; 2500 case 0x0024 : /* hardware assised defect management feature */ 2501 flags |= MMC_CAP_HW_DEFECTFREE; 2502 break; 2503 case 0x0025 : /* write once */ 2504 flags |= MMC_CAP_RECORDABLE; 2505 break; 2506 case 0x0026 : /* restricted overwrite feature */ 2507 flags |= MMC_CAP_RECORDABLE; 2508 flags |= MMC_CAP_REWRITABLE; 2509 flags |= MMC_CAP_STRICTOVERWRITE; 2510 break; 2511 case 0x0028 : /* MRW formatted media support feature */ 2512 flags |= MMC_CAP_MRW; 2513 break; 2514 case 0x002b : /* DVD+R read (and opt. write) support */ 2515 flags |= MMC_CAP_SEQUENTIAL; 2516 if (rpos[0] & 1) /* write support */ 2517 flags |= MMC_CAP_RECORDABLE; 2518 break; 2519 case 0x002c : /* rigid restricted overwrite feature */ 2520 flags |= MMC_CAP_RECORDABLE; 2521 flags |= MMC_CAP_REWRITABLE; 2522 flags |= MMC_CAP_STRICTOVERWRITE; 2523 if (rpos[0] & 1) /* blank bit */ 2524 flags |= MMC_CAP_BLANKABLE; 2525 break; 2526 case 0x002d : /* track at once recording feature */ 2527 flags |= MMC_CAP_RECORDABLE; 2528 flags |= MMC_CAP_SEQUENTIAL; 2529 break; 2530 case 0x002f : /* DVD-R/-RW write feature */ 2531 flags |= MMC_CAP_RECORDABLE; 2532 if (rpos[0] & 2) /* DVD-RW bit */ 2533 flags |= MMC_CAP_BLANKABLE; 2534 break; 2535 case 0x0038 : /* BD-R SRM with pseudo overwrite */ 2536 flags |= MMC_CAP_PSEUDOOVERWRITE; 2537 break; 2538 default : 2539 /* ignore */ 2540 break; 2541 } 2542 2543 if (cur == 1) { 2544 mmc_discinfo->mmc_cur = flags; 2545 } else { 2546 mmc_discinfo->mmc_cap = flags; 2547 } 2548 } 2549 2550 static int 2551 mmc_getdiscinfo_cdrom(struct scsipi_periph *periph, 2552 struct mmc_discinfo *mmc_discinfo) 2553 { 2554 struct scsipi_read_toc gtoc_cmd; 2555 struct scsipi_toc_header *toc_hdr; 2556 struct scsipi_toc_msinfo *toc_msinfo; 2557 const uint32_t buffer_size = 1024; 2558 uint32_t req_size; 2559 uint8_t *buffer; 2560 int error, flags; 2561 2562 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2563 /* 2564 * Fabricate mmc_discinfo for CD-ROM. Some values are really `dont 2565 * care' but others might be of interest to programs. 2566 */ 2567 2568 mmc_discinfo->disc_state = MMC_STATE_FULL; 2569 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2570 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2571 mmc_discinfo->link_block_penalty = 7; /* not relevant */ 2572 2573 /* get number of sessions and first tracknr in last session */ 2574 flags = XS_CTL_DATA_IN; 2575 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2576 gtoc_cmd.opcode = READ_TOC; 2577 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2578 gtoc_cmd.resp_format = CD_TOC_MSINFO; /* multisession info */ 2579 gtoc_cmd.from_track = 0; /* reserved, must be 0 */ 2580 req_size = sizeof(*toc_hdr) + sizeof(*toc_msinfo); 2581 _lto2b(req_size, gtoc_cmd.data_len); 2582 2583 error = scsipi_command(periph, 2584 (void *)>oc_cmd, sizeof(gtoc_cmd), 2585 (void *)buffer, req_size, 2586 CDRETRIES, 30000, NULL, flags); 2587 if (error) 2588 goto out; 2589 toc_hdr = (struct scsipi_toc_header *) buffer; 2590 toc_msinfo = (struct scsipi_toc_msinfo *) (buffer + 4); 2591 mmc_discinfo->num_sessions = toc_hdr->last - toc_hdr->first + 1; 2592 mmc_discinfo->first_track = toc_hdr->first; 2593 mmc_discinfo->first_track_last_session = toc_msinfo->tracknr; 2594 2595 /* get last track of last session */ 2596 flags = XS_CTL_DATA_IN; 2597 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 2598 req_size = sizeof(*toc_hdr); 2599 _lto2b(req_size, gtoc_cmd.data_len); 2600 2601 error = scsipi_command(periph, 2602 (void *)>oc_cmd, sizeof(gtoc_cmd), 2603 (void *)buffer, req_size, 2604 CDRETRIES, 30000, NULL, flags); 2605 if (error) 2606 goto out; 2607 toc_hdr = (struct scsipi_toc_header *) buffer; 2608 mmc_discinfo->last_track_last_session = toc_hdr->last; 2609 mmc_discinfo->num_tracks = toc_hdr->last - toc_hdr->first + 1; 2610 2611 /* TODO how to handle disc_barcode and disc_id */ 2612 /* done */ 2613 2614 out: 2615 free(buffer, M_TEMP); 2616 return error; 2617 } 2618 2619 static int 2620 mmc_getdiscinfo_dvdrom(struct scsipi_periph *periph, 2621 struct mmc_discinfo *mmc_discinfo) 2622 { 2623 struct scsipi_read_toc gtoc_cmd; 2624 struct scsipi_toc_header toc_hdr; 2625 uint32_t req_size; 2626 int error, flags; 2627 2628 /* 2629 * Fabricate mmc_discinfo for DVD-ROM. Some values are really `dont 2630 * care' but others might be of interest to programs. 2631 */ 2632 2633 mmc_discinfo->disc_state = MMC_STATE_FULL; 2634 mmc_discinfo->last_session_state = MMC_STATE_FULL; 2635 mmc_discinfo->bg_format_state = MMC_BGFSTATE_COMPLETED; 2636 mmc_discinfo->link_block_penalty = 16; /* not relevant */ 2637 2638 /* get number of sessions and first tracknr in last session */ 2639 flags = XS_CTL_DATA_IN; 2640 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2641 gtoc_cmd.opcode = READ_TOC; 2642 gtoc_cmd.addr_mode = 0; /* LBA */ 2643 gtoc_cmd.resp_format = CD_TOC_FORM; /* multisession info */ 2644 gtoc_cmd.from_track = 1; /* first track */ 2645 req_size = sizeof(toc_hdr); 2646 _lto2b(req_size, gtoc_cmd.data_len); 2647 2648 error = scsipi_command(periph, 2649 (void *)>oc_cmd, sizeof(gtoc_cmd), 2650 (void *)&toc_hdr, req_size, 2651 CDRETRIES, 30000, NULL, flags); 2652 if (error) 2653 return error; 2654 2655 /* DVD-ROM squashes the track/session space */ 2656 mmc_discinfo->num_sessions = toc_hdr.last - toc_hdr.first + 1; 2657 mmc_discinfo->num_tracks = mmc_discinfo->num_sessions; 2658 mmc_discinfo->first_track = toc_hdr.first; 2659 mmc_discinfo->first_track_last_session = toc_hdr.last; 2660 mmc_discinfo->last_track_last_session = toc_hdr.last; 2661 2662 /* TODO how to handle disc_barcode and disc_id */ 2663 /* done */ 2664 return 0; 2665 } 2666 2667 static int 2668 mmc_getdiscinfo(struct scsipi_periph *periph, 2669 struct mmc_discinfo *mmc_discinfo) 2670 { 2671 struct scsipi_get_configuration gc_cmd; 2672 struct scsipi_get_conf_data *gc; 2673 struct scsipi_get_conf_feature *gcf; 2674 struct scsipi_read_discinfo di_cmd; 2675 struct scsipi_read_discinfo_data di __aligned(2); 2676 const uint32_t buffer_size = 1024; 2677 uint32_t feat_tbl_len, pos; 2678 u_long last_lba = 0; 2679 uint8_t *buffer, *fpos; 2680 int feature, last_feature, features_len, feature_cur, feature_len; 2681 int lsb, msb, error, flags; 2682 2683 feat_tbl_len = buffer_size; 2684 2685 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2686 2687 /* initialise structure */ 2688 memset(mmc_discinfo, 0, sizeof(struct mmc_discinfo)); 2689 mmc_discinfo->mmc_profile = 0x00; /* unknown */ 2690 mmc_discinfo->mmc_class = MMC_CLASS_UNKN; 2691 mmc_discinfo->mmc_cur = 0; 2692 mmc_discinfo->mmc_cap = 0; 2693 mmc_discinfo->link_block_penalty = 0; 2694 2695 /* determine mmc profile and class */ 2696 flags = XS_CTL_DATA_IN; 2697 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2698 gc_cmd.opcode = GET_CONFIGURATION; 2699 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 2700 2701 gc = (struct scsipi_get_conf_data *) buffer; 2702 2703 error = scsipi_command(periph, 2704 (void *)&gc_cmd, sizeof(gc_cmd), 2705 (void *) gc, GET_CONF_NO_FEATURES_LEN, 2706 CDRETRIES, 30000, NULL, flags); 2707 if (error) 2708 goto out; 2709 2710 mmc_discinfo->mmc_profile = _2btol(gc->mmc_profile); 2711 mmc_discinfo->mmc_class = mmc_profile2class(mmc_discinfo->mmc_profile); 2712 2713 /* assume 2048 sector size unless told otherwise */ 2714 mmc_discinfo->sector_size = 2048; 2715 error = read_cd_capacity(periph, &mmc_discinfo->sector_size, &last_lba); 2716 if (error) 2717 goto out; 2718 2719 mmc_discinfo->last_possible_lba = (uint32_t) last_lba; 2720 2721 /* Read in all features to determine device capabilities */ 2722 last_feature = feature = 0; 2723 do { 2724 /* determine mmc profile and class */ 2725 flags = XS_CTL_DATA_IN; 2726 memset(&gc_cmd, 0, sizeof(gc_cmd)); 2727 gc_cmd.opcode = GET_CONFIGURATION; 2728 _lto2b(last_feature, gc_cmd.start_at_feature); 2729 _lto2b(feat_tbl_len, gc_cmd.data_len); 2730 memset(gc, 0, feat_tbl_len); 2731 2732 error = scsipi_command(periph, 2733 (void *)&gc_cmd, sizeof(gc_cmd), 2734 (void *) gc, feat_tbl_len, 2735 CDRETRIES, 30000, NULL, flags); 2736 if (error) { 2737 /* ieeek... break out of loop... i dunno what to do */ 2738 break; 2739 } 2740 2741 features_len = _4btol(gc->data_len); 2742 if (features_len < 4 || features_len > feat_tbl_len) 2743 break; 2744 2745 pos = 0; 2746 fpos = &gc->feature_desc[0]; 2747 while (pos < features_len - 4) { 2748 gcf = (struct scsipi_get_conf_feature *) fpos; 2749 2750 feature = _2btol(gcf->featurecode); 2751 feature_cur = gcf->flags & 1; 2752 feature_len = gcf->additional_length; 2753 2754 mmc_process_feature(mmc_discinfo, 2755 feature, feature_cur, 2756 gcf->feature_dependent); 2757 2758 last_feature = MAX(last_feature, feature); 2759 #ifdef DIAGNOSTIC 2760 /* assert((feature_len & 3) == 0); */ 2761 if ((feature_len & 3) != 0) { 2762 printf("feature %d having length %d\n", 2763 feature, feature_len); 2764 } 2765 #endif 2766 2767 pos += 4 + feature_len; 2768 fpos += 4 + feature_len; 2769 } 2770 /* unlikely to ever grow past our 1kb buffer */ 2771 } while (features_len >= 0xffff); 2772 2773 /* 2774 * Fixup CD-RW drives that are on crack. 2775 * 2776 * Some drives report the capability to incrementally write 2777 * sequentially on CD-R(W) media... nice, but this should not be 2778 * active for a fixed packet formatted CD-RW media. Other report the 2779 * ability of HW_DEFECTFREE even when the media is NOT MRW 2780 * formatted.... 2781 */ 2782 if (mmc_discinfo->mmc_profile == 0x0a) { 2783 if ((mmc_discinfo->mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 2784 mmc_discinfo->mmc_cur |= MMC_CAP_STRICTOVERWRITE; 2785 if (mmc_discinfo->mmc_cur & MMC_CAP_STRICTOVERWRITE) 2786 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2787 if (mmc_discinfo->mmc_cur & MMC_CAP_MRW) { 2788 mmc_discinfo->mmc_cur &= ~MMC_CAP_SEQUENTIAL; 2789 mmc_discinfo->mmc_cur &= ~MMC_CAP_STRICTOVERWRITE; 2790 } else { 2791 mmc_discinfo->mmc_cur &= ~MMC_CAP_HW_DEFECTFREE; 2792 } 2793 } 2794 if (mmc_discinfo->mmc_profile == 0x09) { 2795 mmc_discinfo->mmc_cur &= ~MMC_CAP_REWRITABLE; 2796 } 2797 2798 #ifdef DEBUG 2799 printf("CD mmc %d, mmc_cur 0x%"PRIx64", mmc_cap 0x%"PRIx64"\n", 2800 mmc_discinfo->mmc_profile, 2801 mmc_discinfo->mmc_cur, mmc_discinfo->mmc_cap); 2802 #endif 2803 2804 /* read in disc state and number of sessions and tracks */ 2805 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2806 memset(&di_cmd, 0, sizeof(di_cmd)); 2807 di_cmd.opcode = READ_DISCINFO; 2808 di_cmd.data_len[1] = READ_DISCINFO_BIGSIZE; 2809 2810 error = scsipi_command(periph, 2811 (void *)&di_cmd, sizeof(di_cmd), 2812 (void *)&di, READ_DISCINFO_BIGSIZE, 2813 CDRETRIES, 30000, NULL, flags); 2814 2815 if (error) { 2816 /* discinfo call failed, emulate for cd-rom/dvd-rom */ 2817 if (mmc_discinfo->mmc_profile == 0x08) /* CD-ROM */ 2818 error = mmc_getdiscinfo_cdrom(periph, mmc_discinfo); 2819 else if (mmc_discinfo->mmc_profile == 0x10) /* DVD-ROM */ 2820 error = mmc_getdiscinfo_dvdrom(periph, mmc_discinfo); 2821 else /* CD/DVD drive is violating specs */ 2822 error = EIO; 2823 goto out; 2824 } 2825 2826 /* call went OK */ 2827 mmc_discinfo->disc_state = di.disc_state & 3; 2828 mmc_discinfo->last_session_state = (di.disc_state >> 2) & 3; 2829 mmc_discinfo->bg_format_state = (di.disc_state2 & 3); 2830 2831 lsb = di.num_sessions_lsb; 2832 msb = di.num_sessions_msb; 2833 mmc_discinfo->num_sessions = lsb | (msb << 8); 2834 2835 mmc_discinfo->first_track = di.first_track; 2836 lsb = di.first_track_last_session_lsb; 2837 msb = di.first_track_last_session_msb; 2838 mmc_discinfo->first_track_last_session = lsb | (msb << 8); 2839 lsb = di.last_track_last_session_lsb; 2840 msb = di.last_track_last_session_msb; 2841 mmc_discinfo->last_track_last_session = lsb | (msb << 8); 2842 2843 mmc_discinfo->num_tracks = mmc_discinfo->last_track_last_session - 2844 mmc_discinfo->first_track + 1; 2845 2846 /* set misc. flags and parameters from this disc info */ 2847 if (di.disc_state & 16) 2848 mmc_discinfo->mmc_cur |= MMC_CAP_BLANKABLE; 2849 2850 if (di.disc_state2 & 128) { 2851 mmc_discinfo->disc_id = _4btol(di.discid); 2852 mmc_discinfo->disc_flags |= MMC_DFLAGS_DISCIDVALID; 2853 } 2854 if (di.disc_state2 & 64) { 2855 mmc_discinfo->disc_barcode = _8btol(di.disc_bar_code); 2856 mmc_discinfo->disc_flags |= MMC_DFLAGS_BARCODEVALID; 2857 } 2858 if (di.disc_state2 & 32) 2859 mmc_discinfo->disc_flags |= MMC_DFLAGS_UNRESTRICTED; 2860 2861 if (di.disc_state2 & 16) { 2862 mmc_discinfo->application_code = di.application_code; 2863 mmc_discinfo->disc_flags |= MMC_DFLAGS_APPCODEVALID; 2864 } 2865 2866 /* done */ 2867 2868 out: 2869 free(buffer, M_TEMP); 2870 return error; 2871 } 2872 2873 static int 2874 mmc_gettrackinfo_cdrom(struct scsipi_periph *periph, 2875 struct mmc_trackinfo *trackinfo) 2876 { 2877 struct scsipi_read_toc gtoc_cmd; 2878 struct scsipi_toc_header *toc_hdr; 2879 struct scsipi_toc_rawtoc *rawtoc; 2880 uint32_t track_start, track_size; 2881 uint32_t last_recorded, next_writable; 2882 uint32_t lba, next_track_start, lead_out; 2883 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 2884 uint8_t *buffer; 2885 uint8_t track_sessionnr, sessionnr, adr, tno, point; 2886 uint8_t control, tmin, tsec, tframe, pmin, psec, pframe; 2887 int size, req_size; 2888 int error, flags; 2889 2890 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 2891 2892 /* 2893 * Emulate read trackinfo for CD-ROM using the raw-TOC. 2894 * 2895 * Not all information is present and this presents a problem. Track 2896 * starts are known for each track but other values are deducted. 2897 * 2898 * For a complete overview of `magic' values used here, see the 2899 * SCSI/ATAPI MMC documentation. Note that the `magic' values have no 2900 * names, they are specified as numbers. 2901 */ 2902 2903 /* get raw toc to process, first header to check size */ 2904 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 2905 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 2906 gtoc_cmd.opcode = READ_TOC; 2907 gtoc_cmd.addr_mode = CD_MSF; /* not relevant */ 2908 gtoc_cmd.resp_format = CD_TOC_RAW; /* raw toc */ 2909 gtoc_cmd.from_track = 1; /* first session */ 2910 req_size = sizeof(*toc_hdr); 2911 _lto2b(req_size, gtoc_cmd.data_len); 2912 2913 error = scsipi_command(periph, 2914 (void *)>oc_cmd, sizeof(gtoc_cmd), 2915 (void *)buffer, req_size, 2916 CDRETRIES, 30000, NULL, flags); 2917 if (error) 2918 goto out; 2919 toc_hdr = (struct scsipi_toc_header *) buffer; 2920 if (_2btol(toc_hdr->length) > buffer_size - 2) { 2921 #ifdef DIAGNOSTIC 2922 printf("increase buffersize in mmc_readtrackinfo_cdrom\n"); 2923 #endif 2924 error = ENOBUFS; 2925 goto out; 2926 } 2927 2928 /* read in complete raw toc */ 2929 req_size = _2btol(toc_hdr->length); 2930 req_size = 2*((req_size + 1) / 2); /* for ATAPI */ 2931 _lto2b(req_size, gtoc_cmd.data_len); 2932 2933 error = scsipi_command(periph, 2934 (void *)>oc_cmd, sizeof(gtoc_cmd), 2935 (void *)buffer, req_size, 2936 CDRETRIES, 30000, NULL, flags); 2937 if (error) 2938 goto out; 2939 2940 toc_hdr = (struct scsipi_toc_header *) buffer; 2941 rawtoc = (struct scsipi_toc_rawtoc *) (buffer + 4); 2942 2943 track_start = 0; 2944 track_size = 0; 2945 last_recorded = 0; 2946 next_writable = 0; 2947 flags = 0; 2948 2949 next_track_start = 0; 2950 track_sessionnr = MAXTRACK; /* by definition */ 2951 lead_out = 0; 2952 2953 size = req_size - sizeof(struct scsipi_toc_header) + 1; 2954 while (size > 0) { 2955 /* get track start and session end */ 2956 tno = rawtoc->tno; 2957 sessionnr = rawtoc->sessionnr; 2958 adr = rawtoc->adrcontrol >> 4; 2959 control = rawtoc->adrcontrol & 0xf; 2960 point = rawtoc->point; 2961 tmin = rawtoc->min; 2962 tsec = rawtoc->sec; 2963 tframe = rawtoc->frame; 2964 pmin = rawtoc->pmin; 2965 psec = rawtoc->psec; 2966 pframe = rawtoc->pframe; 2967 2968 if (tno == 0 && sessionnr && adr == 1) { 2969 lba = hmsf2lba(0, pmin, psec, pframe); 2970 if (point == trackinfo->tracknr) { 2971 track_start = lba; 2972 track_sessionnr = sessionnr; 2973 } 2974 if (point == trackinfo->tracknr + 1) { 2975 /* estimate size */ 2976 track_size = lba - track_start; 2977 next_track_start = lba; 2978 } 2979 if (point == 0xa2) { 2980 lead_out = lba; 2981 } 2982 if (point <= 0x63) { 2983 /* CD's ok, DVD are glued */ 2984 /* last_tracknr = point; */ 2985 } 2986 if (sessionnr == track_sessionnr) { 2987 last_recorded = lead_out; 2988 } 2989 } 2990 if (tno == 0 && sessionnr && adr == 5) { 2991 lba = hmsf2lba(0, tmin, tsec, tframe); 2992 if (sessionnr == track_sessionnr) { 2993 next_writable = lba; 2994 } 2995 } 2996 2997 if ((control & (3<<2)) == 4) /* 01xxb */ 2998 flags |= MMC_TRACKINFO_DATA; 2999 if ((control & (1<<2)) == 0) { /* x0xxb */ 3000 flags |= MMC_TRACKINFO_AUDIO; 3001 if (control & 1) /* xxx1b */ 3002 flags |= MMC_TRACKINFO_PRE_EMPH; 3003 } 3004 3005 rawtoc++; 3006 size -= sizeof(struct scsipi_toc_rawtoc); 3007 } 3008 3009 /* process found values; some voodoo */ 3010 /* if no tracksize tracknr is the last of the disc */ 3011 if ((track_size == 0) && last_recorded) { 3012 track_size = last_recorded - track_start; 3013 } 3014 /* if last_recorded < tracksize, tracksize is overestimated */ 3015 if (last_recorded) { 3016 if (last_recorded - track_start <= track_size) { 3017 track_size = last_recorded - track_start; 3018 flags |= MMC_TRACKINFO_LRA_VALID; 3019 } 3020 } 3021 /* check if its a the last track of the sector */ 3022 if (next_writable) { 3023 if (next_track_start > next_writable) 3024 flags |= MMC_TRACKINFO_NWA_VALID; 3025 } 3026 3027 /* no flag set -> no values */ 3028 if ((flags & MMC_TRACKINFO_LRA_VALID) == 0) 3029 last_recorded = 0; 3030 if ((flags & MMC_TRACKINFO_NWA_VALID) == 0) 3031 next_writable = 0; 3032 3033 /* fill in */ 3034 /* trackinfo->tracknr preserved */ 3035 trackinfo->sessionnr = track_sessionnr; 3036 trackinfo->track_mode = 7; /* data, incremental */ 3037 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3038 3039 trackinfo->flags = flags; 3040 trackinfo->track_start = track_start; 3041 trackinfo->next_writable = next_writable; 3042 trackinfo->free_blocks = 0; 3043 trackinfo->packet_size = 1; 3044 trackinfo->track_size = track_size; 3045 trackinfo->last_recorded = last_recorded; 3046 3047 out: 3048 free(buffer, M_TEMP); 3049 return error; 3050 3051 } 3052 3053 static int 3054 mmc_gettrackinfo_dvdrom(struct scsipi_periph *periph, 3055 struct mmc_trackinfo *trackinfo) 3056 { 3057 struct scsipi_read_toc gtoc_cmd; 3058 struct scsipi_toc_header *toc_hdr; 3059 struct scsipi_toc_formatted *toc; 3060 uint32_t tracknr, track_start, track_size; 3061 uint32_t lba, lead_out; 3062 const uint32_t buffer_size = 4 * 1024; /* worst case TOC estimate */ 3063 uint8_t *buffer; 3064 uint8_t control, last_tracknr; 3065 int size, req_size; 3066 int error, flags; 3067 3068 3069 buffer = malloc(buffer_size, M_TEMP, M_WAITOK); 3070 /* 3071 * Emulate read trackinfo for DVD-ROM. We can't use the raw-TOC as the 3072 * CD-ROM emulation uses since the specification tells us that no such 3073 * thing is defined for DVD's. The reason for this is due to the large 3074 * number of tracks and that would clash with the `magic' values. This 3075 * suxs. 3076 * 3077 * Not all information is present and this presents a problem. 3078 * Track starts are known for each track but other values are 3079 * deducted. 3080 */ 3081 3082 /* get formatted toc to process, first header to check size */ 3083 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3084 memset(>oc_cmd, 0, sizeof(gtoc_cmd)); 3085 gtoc_cmd.opcode = READ_TOC; 3086 gtoc_cmd.addr_mode = 0; /* lba's please */ 3087 gtoc_cmd.resp_format = CD_TOC_FORM; /* formatted toc */ 3088 gtoc_cmd.from_track = 1; /* first track */ 3089 req_size = sizeof(*toc_hdr); 3090 _lto2b(req_size, gtoc_cmd.data_len); 3091 3092 error = scsipi_command(periph, 3093 (void *)>oc_cmd, sizeof(gtoc_cmd), 3094 (void *)buffer, req_size, 3095 CDRETRIES, 30000, NULL, flags); 3096 if (error) 3097 goto out; 3098 toc_hdr = (struct scsipi_toc_header *) buffer; 3099 if (_2btol(toc_hdr->length) > buffer_size - 2) { 3100 #ifdef DIAGNOSTIC 3101 printf("incease buffersize in mmc_readtrackinfo_dvdrom\n"); 3102 #endif 3103 error = ENOBUFS; 3104 goto out; 3105 } 3106 3107 /* read in complete formatted toc */ 3108 req_size = _2btol(toc_hdr->length); 3109 _lto2b(req_size, gtoc_cmd.data_len); 3110 3111 error = scsipi_command(periph, 3112 (void *)>oc_cmd, sizeof(gtoc_cmd), 3113 (void *)buffer, req_size, 3114 CDRETRIES, 30000, NULL, flags); 3115 if (error) 3116 goto out; 3117 3118 toc_hdr = (struct scsipi_toc_header *) buffer; 3119 toc = (struct scsipi_toc_formatted *) (buffer + 4); 3120 3121 /* as in read disc info, all sessions are converted to tracks */ 3122 /* track 1.. -> offsets, sizes can be (rougly) estimated (16 ECC) */ 3123 /* last track -> we got the size from the lead-out */ 3124 3125 tracknr = 0; 3126 last_tracknr = toc_hdr->last; 3127 track_start = 0; 3128 track_size = 0; 3129 lead_out = 0; 3130 flags = 0; 3131 3132 size = req_size - sizeof(struct scsipi_toc_header) + 1; 3133 while (size > 0) { 3134 /* remember, DVD-ROM: tracknr == sessionnr */ 3135 lba = _4btol(toc->msf_lba); 3136 tracknr = toc->tracknr; 3137 control = toc->adrcontrol & 0xf; 3138 3139 if (trackinfo->tracknr == tracknr) { 3140 track_start = lba; 3141 } 3142 if (trackinfo->tracknr == tracknr+1) { 3143 track_size = lba - track_start; 3144 track_size -= 16; /* link block ? */ 3145 } 3146 if (tracknr == 0xAA) { 3147 lead_out = lba; 3148 } 3149 3150 if ((control & (3<<2)) == 4) /* 01xxb */ 3151 flags |= MMC_TRACKINFO_DATA; 3152 if ((control & (1<<2)) == 0) { /* x0xxb */ 3153 flags |= MMC_TRACKINFO_AUDIO; 3154 if (control & (1<<3)) /* 10xxb */ 3155 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3156 if (control & 1) /* xxx1b */ 3157 flags |= MMC_TRACKINFO_PRE_EMPH; 3158 } 3159 3160 toc++; 3161 size -= sizeof(struct scsipi_toc_formatted); 3162 } 3163 if (trackinfo->tracknr == last_tracknr) { 3164 track_size = lead_out - track_start; 3165 } 3166 3167 /* fill in */ 3168 /* trackinfo->tracknr preserved */ 3169 trackinfo->sessionnr = trackinfo->tracknr; 3170 trackinfo->track_mode = 0; /* unknown */ 3171 trackinfo->data_mode = 8; /* 2048 bytes mode1 */ 3172 3173 trackinfo->flags = flags; 3174 trackinfo->track_start = track_start; 3175 trackinfo->next_writable = 0; 3176 trackinfo->free_blocks = 0; 3177 trackinfo->packet_size = 16; /* standard length 16 blocks ECC */ 3178 trackinfo->track_size = track_size; 3179 trackinfo->last_recorded = 0; 3180 3181 out: 3182 free(buffer, M_TEMP); 3183 return error; 3184 } 3185 3186 static int 3187 mmc_gettrackinfo(struct scsipi_periph *periph, 3188 struct mmc_trackinfo *trackinfo) 3189 { 3190 struct scsipi_read_trackinfo ti_cmd; 3191 struct scsipi_read_trackinfo_data ti __aligned(2); 3192 struct scsipi_get_configuration gc_cmd; 3193 struct scsipi_get_conf_data gc __aligned(2); 3194 int error, flags; 3195 int mmc_profile; 3196 3197 /* set up SCSI call with track number from trackinfo.tracknr */ 3198 flags = XS_CTL_DATA_IN | XS_CTL_SILENT; 3199 memset(&ti_cmd, 0, sizeof(ti_cmd)); 3200 ti_cmd.opcode = READ_TRACKINFO; 3201 ti_cmd.addr_type = READ_TRACKINFO_ADDR_TRACK; 3202 ti_cmd.data_len[1] = READ_TRACKINFO_RETURNSIZE; 3203 3204 /* trackinfo.tracknr contains number of tracks to query */ 3205 _lto4b(trackinfo->tracknr, ti_cmd.address); 3206 error = scsipi_command(periph, 3207 (void *)&ti_cmd, sizeof(ti_cmd), 3208 (void *)&ti, READ_TRACKINFO_RETURNSIZE, 3209 CDRETRIES, 30000, NULL, flags); 3210 3211 if (error) { 3212 /* trackinfo call failed, emulate for cd-rom/dvd-rom */ 3213 /* first determine mmc profile */ 3214 flags = XS_CTL_DATA_IN; 3215 memset(&gc_cmd, 0, sizeof(gc_cmd)); 3216 gc_cmd.opcode = GET_CONFIGURATION; 3217 _lto2b(GET_CONF_NO_FEATURES_LEN, gc_cmd.data_len); 3218 3219 error = scsipi_command(periph, 3220 (void *)&gc_cmd, sizeof(gc_cmd), 3221 (void *)&gc, GET_CONF_NO_FEATURES_LEN, 3222 CDRETRIES, 30000, NULL, flags); 3223 if (error) 3224 return error; 3225 mmc_profile = _2btol(gc.mmc_profile); 3226 3227 /* choose emulation */ 3228 if (mmc_profile == 0x08) /* CD-ROM */ 3229 return mmc_gettrackinfo_cdrom(periph, trackinfo); 3230 if (mmc_profile == 0x10) /* DVD-ROM */ 3231 return mmc_gettrackinfo_dvdrom(periph, trackinfo); 3232 /* CD/DVD drive is violating specs */ 3233 return EIO; 3234 } 3235 3236 /* (re)initialise structure */ 3237 memset(trackinfo, 0, sizeof(struct mmc_trackinfo)); 3238 3239 /* account for short returns screwing up track and session msb */ 3240 if ((ti.data_len[1] | (ti.data_len[0] << 8)) <= 32) { 3241 ti.track_msb = 0; 3242 ti.session_msb = 0; 3243 } 3244 3245 trackinfo->tracknr = ti.track_lsb | (ti.track_msb << 8); 3246 trackinfo->sessionnr = ti.session_lsb | (ti.session_msb << 8); 3247 trackinfo->track_mode = ti.track_info_1 & 0xf; 3248 trackinfo->data_mode = ti.track_info_2 & 0xf; 3249 3250 flags = 0; 3251 if (ti.track_info_1 & 0x10) 3252 flags |= MMC_TRACKINFO_COPY; 3253 if (ti.track_info_1 & 0x20) 3254 flags |= MMC_TRACKINFO_DAMAGED; 3255 if (ti.track_info_2 & 0x10) 3256 flags |= MMC_TRACKINFO_FIXED_PACKET; 3257 if (ti.track_info_2 & 0x20) 3258 flags |= MMC_TRACKINFO_INCREMENTAL; 3259 if (ti.track_info_2 & 0x40) 3260 flags |= MMC_TRACKINFO_BLANK; 3261 if (ti.track_info_2 & 0x80) 3262 flags |= MMC_TRACKINFO_RESERVED; 3263 if (ti.data_valid & 0x01) 3264 flags |= MMC_TRACKINFO_NWA_VALID; 3265 if (ti.data_valid & 0x02) 3266 flags |= MMC_TRACKINFO_LRA_VALID; 3267 if ((trackinfo->track_mode & (3<<2)) == 4) /* 01xxb */ 3268 flags |= MMC_TRACKINFO_DATA; 3269 if ((trackinfo->track_mode & (1<<2)) == 0) { /* x0xxb */ 3270 flags |= MMC_TRACKINFO_AUDIO; 3271 if (trackinfo->track_mode & (1<<3)) /* 10xxb */ 3272 flags |= MMC_TRACKINFO_AUDIO_4CHAN; 3273 if (trackinfo->track_mode & 1) /* xxx1b */ 3274 flags |= MMC_TRACKINFO_PRE_EMPH; 3275 } 3276 3277 trackinfo->flags = flags; 3278 trackinfo->track_start = _4btol(ti.track_start); 3279 trackinfo->next_writable = _4btol(ti.next_writable); 3280 trackinfo->free_blocks = _4btol(ti.free_blocks); 3281 trackinfo->packet_size = _4btol(ti.packet_size); 3282 trackinfo->track_size = _4btol(ti.track_size); 3283 trackinfo->last_recorded = _4btol(ti.last_recorded); 3284 3285 return 0; 3286 } 3287 3288 static int 3289 mmc_doclose(struct scsipi_periph *periph, int param, int func) { 3290 struct scsipi_close_tracksession close_cmd; 3291 int error, flags; 3292 3293 /* set up SCSI call with track number */ 3294 flags = XS_CTL_DATA_OUT; 3295 memset(&close_cmd, 0, sizeof(close_cmd)); 3296 close_cmd.opcode = CLOSE_TRACKSESSION; 3297 close_cmd.function = func; 3298 _lto2b(param, close_cmd.tracksessionnr); 3299 3300 error = scsipi_command(periph, 3301 (void *) &close_cmd, sizeof(close_cmd), 3302 NULL, 0, 3303 CDRETRIES, 120000, NULL, flags); 3304 3305 return error; 3306 } 3307 3308 static int 3309 mmc_do_closetrack(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3310 { 3311 int mmc_profile = mmc_op->mmc_profile; 3312 3313 switch (mmc_profile) { 3314 case 0x12 : /* DVD-RAM */ 3315 case 0x1a : /* DVD+RW */ 3316 case 0x2a : /* DVD+RW Dual layer */ 3317 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3318 case 0x43 : /* BD-RE */ 3319 case 0x52 : /* HD DVD-RW ; DVD-RAM like */ 3320 return EINVAL; 3321 } 3322 3323 return mmc_doclose(periph, mmc_op->tracknr, 1); 3324 } 3325 3326 static int 3327 mmc_do_close_or_finalise(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3328 { 3329 uint8_t blob[MS5LEN], *page5; 3330 int mmc_profile = mmc_op->mmc_profile; 3331 int func, close, flags; 3332 int error; 3333 3334 close = (mmc_op->operation == MMC_OP_CLOSESESSION); 3335 3336 switch (mmc_profile) { 3337 case 0x09 : /* CD-R */ 3338 case 0x0a : /* CD-RW */ 3339 /* Special case : need to update MS field in mode page 5 */ 3340 memset(blob, 0, sizeof(blob)); 3341 page5 = blob+8; 3342 3343 flags = XS_CTL_DATA_IN; 3344 error = scsipi_mode_sense_big(periph, SMS_PF, 5, 3345 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3346 if (error) 3347 return error; 3348 3349 /* set multi session field when closing a session only */ 3350 page5[3] &= 63; 3351 if (close) 3352 page5[3] |= 3 << 6; 3353 3354 flags = XS_CTL_DATA_OUT; 3355 error = scsipi_mode_select_big(periph, SMS_PF, 3356 (void *)blob, sizeof(blob), flags, CDRETRIES, 20000); 3357 if (error) 3358 return error; 3359 /* and use funtion 2 */ 3360 func = 2; 3361 break; 3362 case 0x11 : /* DVD-R (DL) */ 3363 case 0x13 : /* DVD-RW restricted overwrite */ 3364 case 0x14 : /* DVD-RW sequential */ 3365 func = close ? 2 : 3; 3366 break; 3367 case 0x1b : /* DVD+R */ 3368 case 0x2b : /* DVD+R Dual layer */ 3369 case 0x51 : /* HD DVD-R */ 3370 case 0x41 : /* BD-R Sequential recording (SRM) */ 3371 func = close ? 2 : 6; 3372 break; 3373 case 0x12 : /* DVD-RAM */ 3374 case 0x1a : /* DVD+RW */ 3375 case 0x2a : /* DVD+RW Dual layer */ 3376 case 0x42 : /* BD-R Ramdom Recording (RRM) */ 3377 case 0x43 : /* BD-RE */ 3378 case 0x52 : /* HD DVD-RW; DVD-RAM like */ 3379 return EINVAL; 3380 default: 3381 printf("MMC close/finalise passed wrong device type! (%d)\n", 3382 mmc_profile); 3383 return EINVAL; 3384 } 3385 3386 return mmc_doclose(periph, mmc_op->sessionnr, func); 3387 } 3388 3389 static int 3390 mmc_do_reserve_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3391 { 3392 struct scsipi_reserve_track reserve_cmd; 3393 uint32_t extent; 3394 int error, flags; 3395 3396 /* TODO make mmc safeguards? */ 3397 extent = mmc_op->extent; 3398 /* TODO min/max support? */ 3399 3400 /* set up SCSI call with requested space */ 3401 flags = XS_CTL_DATA_OUT; 3402 memset(&reserve_cmd, 0, sizeof(reserve_cmd)); 3403 reserve_cmd.opcode = RESERVE_TRACK; 3404 _lto4b(extent, reserve_cmd.reservation_size); 3405 3406 error = scsipi_command(periph, 3407 (void *) &reserve_cmd, sizeof(reserve_cmd), 3408 NULL, 0, 3409 CDRETRIES, 30000, NULL, flags); 3410 3411 return error; 3412 } 3413 3414 static int 3415 mmc_do_reserve_track_nwa(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3416 { 3417 /* XXX assumes that NWA given is valid */ 3418 switch (mmc_op->mmc_profile) { 3419 case 0x09 : /* CD-R */ 3420 /* XXX unknown boundary checks XXX */ 3421 if (mmc_op->extent <= 152) 3422 return EINVAL; 3423 /* CD-R takes 152 sectors to close track */ 3424 mmc_op->extent -= 152; 3425 return mmc_do_reserve_track(periph, mmc_op); 3426 case 0x11 : /* DVD-R (DL) */ 3427 case 0x1b : /* DVD+R */ 3428 case 0x2b : /* DVD+R Dual layer */ 3429 if (mmc_op->extent % 16) 3430 return EINVAL; 3431 /* upto one ECC block of 16 sectors lost */ 3432 mmc_op->extent -= 16; 3433 return mmc_do_reserve_track(periph, mmc_op); 3434 case 0x41 : /* BD-R Sequential recording (SRM) */ 3435 case 0x51 : /* HD DVD-R */ 3436 if (mmc_op->extent % 32) 3437 return EINVAL; 3438 /* one ECC block of 32 sectors lost (AFAIK) */ 3439 mmc_op->extent -= 32; 3440 return mmc_do_reserve_track(periph, mmc_op); 3441 } 3442 3443 /* unknown behaviour or invalid disc type */ 3444 return EINVAL; 3445 } 3446 3447 static int 3448 mmc_do_repair_track(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3449 { 3450 struct scsipi_repair_track repair_cmd; 3451 int error, flags; 3452 3453 /* TODO make mmc safeguards? */ 3454 3455 /* set up SCSI call with track number */ 3456 flags = XS_CTL_DATA_OUT; 3457 memset(&repair_cmd, 0, sizeof(repair_cmd)); 3458 repair_cmd.opcode = REPAIR_TRACK; 3459 _lto2b(mmc_op->tracknr, repair_cmd.tracknr); 3460 3461 error = scsipi_command(periph, 3462 (void *) &repair_cmd, sizeof(repair_cmd), 3463 NULL, 0, 3464 CDRETRIES, 30000, NULL, flags); 3465 3466 return error; 3467 } 3468 3469 static int 3470 mmc_do_op(struct scsipi_periph *periph, struct mmc_op *mmc_op) 3471 { 3472 /* guard operation value */ 3473 if (mmc_op->operation < 1 || mmc_op->operation > MMC_OP_MAX) 3474 return EINVAL; 3475 3476 /* synchronise cache is special since it doesn't rely on mmc_profile */ 3477 if (mmc_op->operation == MMC_OP_SYNCHRONISECACHE) 3478 return cdcachesync(periph, 0); 3479 3480 /* zero mmc_profile means unknown disc so operations are not defined */ 3481 if (mmc_op->mmc_profile == 0) { 3482 #ifdef DEBUG 3483 printf("mmc_do_op called with mmc_profile = 0\n"); 3484 #endif 3485 return EINVAL; 3486 } 3487 3488 /* do the operations */ 3489 switch (mmc_op->operation) { 3490 case MMC_OP_CLOSETRACK : 3491 return mmc_do_closetrack(periph, mmc_op); 3492 case MMC_OP_CLOSESESSION : 3493 case MMC_OP_FINALISEDISC : 3494 return mmc_do_close_or_finalise(periph, mmc_op); 3495 case MMC_OP_RESERVETRACK : 3496 return mmc_do_reserve_track(periph, mmc_op); 3497 case MMC_OP_RESERVETRACK_NWA : 3498 return mmc_do_reserve_track_nwa(periph, mmc_op); 3499 case MMC_OP_REPAIRTRACK : 3500 return mmc_do_repair_track(periph, mmc_op); 3501 case MMC_OP_UNCLOSELASTSESSION : 3502 /* TODO unclose last session support */ 3503 return EINVAL; 3504 default : 3505 printf("mmc_do_op: unhandled operation %d\n", mmc_op->operation); 3506 } 3507 3508 return EINVAL; 3509 } 3510 3511 static int 3512 mmc_setup_writeparams(struct scsipi_periph *periph, 3513 struct mmc_writeparams *mmc_writeparams) 3514 { 3515 struct mmc_trackinfo trackinfo; 3516 uint8_t blob[MS5LEN]; 3517 uint8_t *page5; 3518 int flags, error; 3519 int track_mode, data_mode; 3520 3521 /* setup mode page 5 for CD only */ 3522 if (mmc_writeparams->mmc_class != MMC_CLASS_CD) 3523 return 0; 3524 3525 memset(blob, 0, sizeof(blob)); 3526 page5 = blob+8; 3527 3528 /* read mode page 5 (with header) */ 3529 flags = XS_CTL_DATA_IN; 3530 error = scsipi_mode_sense_big(periph, SMS_PF, 5, (void *)blob, 3531 sizeof(blob), flags, CDRETRIES, 20000); 3532 if (error) 3533 return error; 3534 3535 /* set page length for reasurance */ 3536 page5[1] = P5LEN; /* page length */ 3537 3538 /* write type packet/incremental */ 3539 page5[2] &= 0xf0; 3540 3541 /* set specified mode parameters */ 3542 track_mode = mmc_writeparams->track_mode; 3543 data_mode = mmc_writeparams->data_mode; 3544 if (track_mode <= 0 || track_mode > 15) 3545 return EINVAL; 3546 if (data_mode < 1 || data_mode > 2) 3547 return EINVAL; 3548 3549 /* if a tracknr is passed, setup according to the track */ 3550 if (mmc_writeparams->tracknr > 0) { 3551 trackinfo.tracknr = mmc_writeparams->tracknr; 3552 error = mmc_gettrackinfo(periph, &trackinfo); 3553 if (error) 3554 return error; 3555 if ((trackinfo.flags & MMC_TRACKINFO_BLANK) == 0) { 3556 track_mode = trackinfo.track_mode; 3557 data_mode = trackinfo.data_mode; 3558 } 3559 mmc_writeparams->blockingnr = trackinfo.packet_size; 3560 } 3561 3562 /* copy track mode and data mode from trackinfo */ 3563 page5[3] &= 16; /* keep only `Copy' bit */ 3564 page5[3] |= (3 << 6) | track_mode; 3565 page5[4] &= 0xf0; /* wipe data block type */ 3566 if (data_mode == 1) { 3567 /* select ISO mode 1 (CD only) */ 3568 page5[4] |= 8; 3569 /* select session format normal disc (CD only) */ 3570 page5[8] = 0; 3571 } else { 3572 /* select ISO mode 2; XA form 1 (CD only) */ 3573 page5[4] |= 10; 3574 /* select session format CD-ROM XA disc (CD only) */ 3575 page5[8] = 0x20; 3576 } 3577 if (mmc_writeparams->mmc_cur & MMC_CAP_SEQUENTIAL) { 3578 if (mmc_writeparams->mmc_cur & MMC_CAP_ZEROLINKBLK) { 3579 /* set BUFE buffer underrun protection */ 3580 page5[2] |= 1<<6; 3581 } 3582 /* allow for multi session */ 3583 page5[3] |= 3 << 6; 3584 } else { 3585 /* select fixed packets */ 3586 page5[3] |= 1<<5; 3587 _lto4b(mmc_writeparams->blockingnr, &(page5[10])); 3588 } 3589 3590 /* write out updated mode page 5 (with header) */ 3591 flags = XS_CTL_DATA_OUT; 3592 error = scsipi_mode_select_big(periph, SMS_PF, (void *)blob, 3593 sizeof(blob), flags, CDRETRIES, 20000); 3594 if (error) 3595 return error; 3596 3597 return 0; 3598 } 3599 3600 static void 3601 cd_set_geometry(struct cd_softc *cd) 3602 { 3603 struct dk_softc *dksc = &cd->sc_dksc; 3604 struct disk_geom *dg = &dksc->sc_dkdev.dk_geom; 3605 3606 memset(dg, 0, sizeof(*dg)); 3607 3608 dg->dg_secperunit = cd->params.disksize; 3609 dg->dg_secsize = cd->params.blksize; 3610 dg->dg_nsectors = 100; 3611 dg->dg_ntracks = 1; 3612 3613 disk_set_info(dksc->sc_dev, &dksc->sc_dkdev, NULL); 3614 } 3615