1 /* $NetBSD: cd.c,v 1.163 2002/05/27 16:42:30 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Originally written by Julian Elischer (julian@tfs.com) 41 * for TRW Financial Systems for use under the MACH(2.5) operating system. 42 * 43 * TRW Financial Systems, in accordance with their agreement with Carnegie 44 * Mellon University, makes this software available to CMU to distribute 45 * or use in any manner that they see fit as long as this message is kept with 46 * the software. For this reason TFS also grants any other persons or 47 * organisations permission to use or modify this software. 48 * 49 * TFS supplies this software to be publicly redistributed 50 * on the understanding that TFS is not responsible for the correct 51 * functioning of this software in any circumstances. 52 * 53 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 54 */ 55 56 #include <sys/cdefs.h> 57 __KERNEL_RCSID(0, "$NetBSD: cd.c,v 1.163 2002/05/27 16:42:30 drochner Exp $"); 58 59 #include "rnd.h" 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/kernel.h> 64 #include <sys/file.h> 65 #include <sys/stat.h> 66 #include <sys/ioctl.h> 67 #include <sys/buf.h> 68 #include <sys/uio.h> 69 #include <sys/malloc.h> 70 #include <sys/errno.h> 71 #include <sys/device.h> 72 #include <sys/disklabel.h> 73 #include <sys/disk.h> 74 #include <sys/cdio.h> 75 #include <sys/dvdio.h> 76 #include <sys/scsiio.h> 77 #include <sys/proc.h> 78 #include <sys/conf.h> 79 #include <sys/vnode.h> 80 #if NRND > 0 81 #include <sys/rnd.h> 82 #endif 83 84 #include <dev/scsipi/scsipi_all.h> 85 #include <dev/scsipi/scsipi_cd.h> 86 #include <dev/scsipi/scsipi_disk.h> /* rw_big and start_stop come */ 87 /* from there */ 88 #include <dev/scsipi/scsi_disk.h> /* rw comes from there */ 89 #include <dev/scsipi/scsipiconf.h> 90 #include <dev/scsipi/cdvar.h> 91 92 #include "cd.h" /* NCD_SCSIBUS and NCD_ATAPIBUS come from here */ 93 94 #define CDUNIT(z) DISKUNIT(z) 95 #define CDPART(z) DISKPART(z) 96 #define CDMINOR(unit, part) DISKMINOR(unit, part) 97 #define MAKECDDEV(maj, unit, part) MAKEDISKDEV(maj, unit, part) 98 99 #define MAXTRACK 99 100 #define CD_BLOCK_OFFSET 150 101 #define CD_FRAMES 75 102 #define CD_SECS 60 103 104 struct cd_toc { 105 struct ioc_toc_header header; 106 struct cd_toc_entry entries[MAXTRACK+1]; /* One extra for the */ 107 /* leadout */ 108 }; 109 110 int cdlock __P((struct cd_softc *)); 111 void cdunlock __P((struct cd_softc *)); 112 void cdstart __P((struct scsipi_periph *)); 113 void cdminphys __P((struct buf *)); 114 void cdgetdefaultlabel __P((struct cd_softc *, struct disklabel *)); 115 void cdgetdisklabel __P((struct cd_softc *)); 116 void cddone __P((struct scsipi_xfer *)); 117 void cdbounce __P((struct buf *)); 118 int cd_interpret_sense __P((struct scsipi_xfer *)); 119 u_long cd_size __P((struct cd_softc *, int)); 120 void lba2msf __P((u_long, u_char *, u_char *, u_char *)); 121 u_long msf2lba __P((u_char, u_char, u_char)); 122 int cd_play __P((struct cd_softc *, int, int)); 123 int cd_play_tracks __P((struct cd_softc *, int, int, int, int)); 124 int cd_play_msf __P((struct cd_softc *, int, int, int, int, int, int)); 125 int cd_pause __P((struct cd_softc *, int)); 126 int cd_reset __P((struct cd_softc *)); 127 int cd_read_subchannel __P((struct cd_softc *, int, int, int, 128 struct cd_sub_channel_info *, int, int)); 129 int cd_read_toc __P((struct cd_softc *, int, int, void *, int, int, int)); 130 int cd_get_parms __P((struct cd_softc *, int)); 131 int cd_load_toc __P((struct cd_softc *, struct cd_toc *, int)); 132 int cdreadmsaddr __P((struct cd_softc *, int *)); 133 int dvd_auth __P((struct cd_softc *, dvd_authinfo *)); 134 int dvd_read_physical __P((struct cd_softc *, dvd_struct *)); 135 int dvd_read_copyright __P((struct cd_softc *, dvd_struct *)); 136 int dvd_read_disckey __P((struct cd_softc *, dvd_struct *)); 137 int dvd_read_bca __P((struct cd_softc *, dvd_struct *)); 138 int dvd_read_manufact __P((struct cd_softc *, dvd_struct *)); 139 int dvd_read_struct __P((struct cd_softc *, dvd_struct *)); 140 141 extern struct cfdriver cd_cd; 142 143 struct dkdriver cddkdriver = { cdstrategy }; 144 145 const struct scsipi_periphsw cd_switch = { 146 cd_interpret_sense, /* use our error handler first */ 147 cdstart, /* we have a queue, which is started by this */ 148 NULL, /* we do not have an async handler */ 149 cddone, /* deal with stats at interrupt time */ 150 }; 151 152 /* 153 * The routine called by the low level scsi routine when it discovers 154 * A device suitable for this driver 155 */ 156 void 157 cdattach(parent, cd, periph, ops) 158 struct device *parent; 159 struct cd_softc *cd; 160 struct scsipi_periph *periph; 161 const struct cd_ops *ops; 162 { 163 SC_DEBUG(periph, SCSIPI_DB2, ("cdattach: ")); 164 165 BUFQ_INIT(&cd->buf_queue); 166 167 /* 168 * Store information needed to contact our base driver 169 */ 170 cd->sc_periph = periph; 171 cd->sc_ops = ops; 172 173 periph->periph_dev = &cd->sc_dev; 174 periph->periph_switch = &cd_switch; 175 176 /* 177 * Increase our openings to the maximum-per-periph 178 * supported by the adapter. This will either be 179 * clamped down or grown by the adapter if necessary. 180 */ 181 periph->periph_openings = 182 SCSIPI_CHAN_MAX_PERIPH(periph->periph_channel); 183 periph->periph_flags |= PERIPH_GROW_OPENINGS; 184 185 /* 186 * Initialize and attach the disk structure. 187 */ 188 cd->sc_dk.dk_driver = &cddkdriver; 189 cd->sc_dk.dk_name = cd->sc_dev.dv_xname; 190 disk_attach(&cd->sc_dk); 191 192 #ifdef __BROKEN_DK_ESTABLISH 193 dk_establish(&cd->sc_dk, &cd->sc_dev); /* XXX */ 194 #endif 195 196 printf("\n"); 197 198 #if NRND > 0 199 rnd_attach_source(&cd->rnd_source, cd->sc_dev.dv_xname, 200 RND_TYPE_DISK, 0); 201 #endif 202 } 203 204 int 205 cdactivate(self, act) 206 struct device *self; 207 enum devact act; 208 { 209 int rv = 0; 210 211 switch (act) { 212 case DVACT_ACTIVATE: 213 rv = EOPNOTSUPP; 214 break; 215 216 case DVACT_DEACTIVATE: 217 /* 218 * Nothing to do; we key off the device's DVF_ACTIVE. 219 */ 220 break; 221 } 222 return (rv); 223 } 224 225 int 226 cddetach(self, flags) 227 struct device *self; 228 int flags; 229 { 230 struct cd_softc *cd = (struct cd_softc *) self; 231 struct buf *bp; 232 int s, bmaj, cmaj, i, mn; 233 234 /* locate the major number */ 235 for (bmaj = 0; bmaj <= nblkdev; bmaj++) 236 if (bdevsw[bmaj].d_open == cdopen) 237 break; 238 for (cmaj = 0; cmaj <= nchrdev; cmaj++) 239 if (cdevsw[cmaj].d_open == cdopen) 240 break; 241 242 s = splbio(); 243 244 /* Kill off any queued buffers. */ 245 while ((bp = BUFQ_FIRST(&cd->buf_queue)) != NULL) { 246 BUFQ_REMOVE(&cd->buf_queue, bp); 247 bp->b_error = EIO; 248 bp->b_flags |= B_ERROR; 249 bp->b_resid = bp->b_bcount; 250 biodone(bp); 251 } 252 253 /* Kill off any pending commands. */ 254 scsipi_kill_pending(cd->sc_periph); 255 256 splx(s); 257 258 /* Nuke the vnodes for any open instances */ 259 for (i = 0; i < MAXPARTITIONS; i++) { 260 mn = CDMINOR(self->dv_unit, i); 261 vdevgone(bmaj, mn, mn, VBLK); 262 vdevgone(cmaj, mn, mn, VCHR); 263 } 264 265 /* Detach from the disk list. */ 266 disk_detach(&cd->sc_dk); 267 268 #if 0 269 /* Get rid of the shutdown hook. */ 270 if (cd->sc_sdhook != NULL) 271 shutdownhook_disestablish(cd->sc_sdhook); 272 #endif 273 274 #if NRND > 0 275 /* Unhook the entropy source. */ 276 rnd_detach_source(&cd->rnd_source); 277 #endif 278 279 return (0); 280 } 281 282 /* 283 * Wait interruptibly for an exclusive lock. 284 * 285 * XXX 286 * Several drivers do this; it should be abstracted and made MP-safe. 287 */ 288 int 289 cdlock(cd) 290 struct cd_softc *cd; 291 { 292 int error; 293 294 while ((cd->flags & CDF_LOCKED) != 0) { 295 cd->flags |= CDF_WANTED; 296 if ((error = tsleep(cd, PRIBIO | PCATCH, "cdlck", 0)) != 0) 297 return (error); 298 } 299 cd->flags |= CDF_LOCKED; 300 return (0); 301 } 302 303 /* 304 * Unlock and wake up any waiters. 305 */ 306 void 307 cdunlock(cd) 308 struct cd_softc *cd; 309 { 310 311 cd->flags &= ~CDF_LOCKED; 312 if ((cd->flags & CDF_WANTED) != 0) { 313 cd->flags &= ~CDF_WANTED; 314 wakeup(cd); 315 } 316 } 317 318 /* 319 * open the device. Make sure the partition info is a up-to-date as can be. 320 */ 321 int 322 cdopen(dev, flag, fmt, p) 323 dev_t dev; 324 int flag, fmt; 325 struct proc *p; 326 { 327 struct cd_softc *cd; 328 struct scsipi_periph *periph; 329 struct scsipi_adapter *adapt; 330 struct cd_sub_channel_info data; 331 int unit, part; 332 int error; 333 334 unit = CDUNIT(dev); 335 if (unit >= cd_cd.cd_ndevs) 336 return (ENXIO); 337 cd = cd_cd.cd_devs[unit]; 338 if (cd == NULL) 339 return (ENXIO); 340 341 periph = cd->sc_periph; 342 adapt = periph->periph_channel->chan_adapter; 343 part = CDPART(dev); 344 345 SC_DEBUG(periph, SCSIPI_DB1, 346 ("cdopen: dev=0x%x (unit %d (of %d), partition %d)\n", dev, unit, 347 cd_cd.cd_ndevs, CDPART(dev))); 348 349 /* 350 * If this is the first open of this device, add a reference 351 * to the adapter. 352 */ 353 if (cd->sc_dk.dk_openmask == 0 && 354 (error = scsipi_adapter_addref(adapt)) != 0) 355 return (error); 356 357 if ((error = cdlock(cd)) != 0) 358 goto bad4; 359 360 if ((periph->periph_flags & PERIPH_OPEN) != 0) { 361 /* 362 * If any partition is open, but the disk has been invalidated, 363 * disallow further opens. 364 */ 365 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0 && 366 (part != RAW_PART || fmt != S_IFCHR )) { 367 error = EIO; 368 goto bad3; 369 } 370 } else { 371 /* Check that it is still responding and ok. */ 372 error = scsipi_test_unit_ready(periph, 373 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 374 XS_CTL_SILENT_NODEV); 375 SC_DEBUG(periph, SCSIPI_DB1, 376 ("cdopen: scsipi_test_unit_ready, error=%d\n", error)); 377 if (error) { 378 if (part != RAW_PART || fmt != S_IFCHR) 379 goto bad3; 380 else 381 goto out; 382 } 383 384 /* Don't try to start the unit if audio is playing. */ 385 error = cd_read_subchannel(cd, CD_LBA_FORMAT, 386 CD_CURRENT_POSITION, 0, &data, sizeof(data), 387 XS_CTL_DATA_ONSTACK); 388 if ((data.header.audio_status != CD_AS_PLAY_IN_PROGRESS && 389 data.header.audio_status != CD_AS_PLAY_PAUSED) || error) { 390 /* 391 * Start the pack spinning if necessary. Always 392 * allow the raw parition to be opened, for raw 393 * IOCTLs. Data transfers will check for 394 * SDEV_MEDIA_LOADED. 395 */ 396 error = scsipi_start(periph, SSS_START, 397 XS_CTL_IGNORE_ILLEGAL_REQUEST | 398 XS_CTL_IGNORE_MEDIA_CHANGE | 399 XS_CTL_SILENT); 400 SC_DEBUG(periph, SCSIPI_DB1, 401 ("cdopen: scsipi_start, error=%d\n", error)); 402 if (error) { 403 if (part != RAW_PART || fmt != S_IFCHR) 404 goto bad3; 405 else 406 goto out; 407 } 408 } 409 410 periph->periph_flags |= PERIPH_OPEN; 411 412 /* Lock the pack in. */ 413 error = scsipi_prevent(periph, PR_PREVENT, 414 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 415 SC_DEBUG(periph, SCSIPI_DB1, 416 ("cdopen: scsipi_prevent, error=%d\n", error)); 417 if (error) 418 goto bad; 419 420 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 421 periph->periph_flags |= PERIPH_MEDIA_LOADED; 422 423 /* Load the physical device parameters. */ 424 if (cd_get_parms(cd, 0) != 0) { 425 error = ENXIO; 426 goto bad2; 427 } 428 SC_DEBUG(periph, SCSIPI_DB3, ("Params loaded ")); 429 430 /* Fabricate a disk label. */ 431 cdgetdisklabel(cd); 432 SC_DEBUG(periph, SCSIPI_DB3, ("Disklabel fabricated ")); 433 } 434 } 435 436 /* Check that the partition exists. */ 437 if (part != RAW_PART && 438 (part >= cd->sc_dk.dk_label->d_npartitions || 439 cd->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) { 440 error = ENXIO; 441 goto bad; 442 } 443 444 out: /* Insure only one open at a time. */ 445 switch (fmt) { 446 case S_IFCHR: 447 cd->sc_dk.dk_copenmask |= (1 << part); 448 break; 449 case S_IFBLK: 450 cd->sc_dk.dk_bopenmask |= (1 << part); 451 break; 452 } 453 cd->sc_dk.dk_openmask = 454 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 455 456 SC_DEBUG(periph, SCSIPI_DB3, ("open complete\n")); 457 cdunlock(cd); 458 return (0); 459 460 bad2: 461 periph->periph_flags &= ~PERIPH_MEDIA_LOADED; 462 463 bad: 464 if (cd->sc_dk.dk_openmask == 0) { 465 scsipi_prevent(periph, PR_ALLOW, 466 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE); 467 periph->periph_flags &= ~PERIPH_OPEN; 468 } 469 470 bad3: 471 cdunlock(cd); 472 bad4: 473 if (cd->sc_dk.dk_openmask == 0) 474 scsipi_adapter_delref(adapt); 475 return (error); 476 } 477 478 /* 479 * close the device.. only called if we are the LAST 480 * occurence of an open device 481 */ 482 int 483 cdclose(dev, flag, fmt, p) 484 dev_t dev; 485 int flag, fmt; 486 struct proc *p; 487 { 488 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 489 struct scsipi_periph *periph = cd->sc_periph; 490 struct scsipi_adapter *adapt = periph->periph_channel->chan_adapter; 491 int part = CDPART(dev); 492 int error; 493 494 if ((error = cdlock(cd)) != 0) 495 return (error); 496 497 switch (fmt) { 498 case S_IFCHR: 499 cd->sc_dk.dk_copenmask &= ~(1 << part); 500 break; 501 case S_IFBLK: 502 cd->sc_dk.dk_bopenmask &= ~(1 << part); 503 break; 504 } 505 cd->sc_dk.dk_openmask = 506 cd->sc_dk.dk_copenmask | cd->sc_dk.dk_bopenmask; 507 508 if (cd->sc_dk.dk_openmask == 0) { 509 scsipi_wait_drain(periph); 510 511 scsipi_prevent(periph, PR_ALLOW, 512 XS_CTL_IGNORE_ILLEGAL_REQUEST | XS_CTL_IGNORE_MEDIA_CHANGE | 513 XS_CTL_IGNORE_NOT_READY); 514 periph->periph_flags &= ~PERIPH_OPEN; 515 516 scsipi_wait_drain(periph); 517 518 scsipi_adapter_delref(adapt); 519 } 520 521 cdunlock(cd); 522 return (0); 523 } 524 525 /* 526 * Actually translate the requested transfer into one the physical driver can 527 * understand. The transfer is described by a buf and will include only one 528 * physical transfer. 529 */ 530 void 531 cdstrategy(bp) 532 struct buf *bp; 533 { 534 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 535 struct disklabel *lp; 536 struct scsipi_periph *periph = cd->sc_periph; 537 daddr_t blkno; 538 int s; 539 540 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdstrategy ")); 541 SC_DEBUG(cd->sc_periph, SCSIPI_DB1, 542 ("%ld bytes @ blk %d\n", bp->b_bcount, bp->b_blkno)); 543 /* 544 * If the device has been made invalid, error out 545 * maybe the media changed 546 */ 547 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 548 if (periph->periph_flags & PERIPH_OPEN) 549 bp->b_error = EIO; 550 else 551 bp->b_error = ENODEV; 552 goto bad; 553 } 554 555 lp = cd->sc_dk.dk_label; 556 557 /* 558 * The transfer must be a whole number of blocks, offset must not 559 * be negative. 560 */ 561 if ((bp->b_bcount % lp->d_secsize) != 0 || 562 bp->b_blkno < 0 ) { 563 bp->b_error = EINVAL; 564 goto bad; 565 } 566 /* 567 * If it's a null transfer, return immediately 568 */ 569 if (bp->b_bcount == 0) 570 goto done; 571 572 /* 573 * Do bounds checking, adjust transfer. if error, process. 574 * If end of partition, just return. 575 */ 576 if (CDPART(bp->b_dev) != RAW_PART && 577 bounds_check_with_label(bp, lp, 578 (cd->flags & (CDF_WLABEL|CDF_LABELLING)) != 0) <= 0) 579 goto done; 580 581 /* 582 * Now convert the block number to absolute and put it in 583 * terms of the device's logical block size. 584 */ 585 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE); 586 if (CDPART(bp->b_dev) != RAW_PART) 587 blkno += lp->d_partitions[CDPART(bp->b_dev)].p_offset; 588 589 bp->b_rawblkno = blkno; 590 591 /* 592 * If the disklabel sector size does not match the device 593 * sector size we may need to do some extra work. 594 */ 595 if (lp->d_secsize != cd->params.blksize) { 596 597 /* 598 * If the xfer is not a multiple of the device block size 599 * or it is not block aligned, we need to bounce it. 600 */ 601 if ((bp->b_bcount % cd->params.blksize) != 0 || 602 ((blkno * lp->d_secsize) % cd->params.blksize) != 0) { 603 struct buf *nbp; 604 void *bounce = NULL; 605 long count; 606 607 if ((bp->b_flags & B_READ) == 0) { 608 609 /* XXXX We don't support bouncing writes. */ 610 bp->b_error = EACCES; 611 goto bad; 612 } 613 count = ((blkno * lp->d_secsize) % cd->params.blksize); 614 /* XXX Store starting offset in bp->b_rawblkno */ 615 bp->b_rawblkno = count; 616 617 count += bp->b_bcount; 618 count = roundup(count, cd->params.blksize); 619 620 blkno = ((blkno * lp->d_secsize) / cd->params.blksize); 621 s = splbio(); 622 nbp = pool_get(&bufpool, PR_NOWAIT); 623 splx(s); 624 if (!nbp) { 625 /* No memory -- fail the iop. */ 626 bp->b_error = ENOMEM; 627 goto bad; 628 } 629 bounce = malloc(count, M_DEVBUF, M_NOWAIT); 630 if (!bounce) { 631 /* No memory -- fail the iop. */ 632 s = splbio(); 633 pool_put(&bufpool, nbp); 634 splx(s); 635 bp->b_error = ENOMEM; 636 goto bad; 637 } 638 639 /* Set up the IOP to the bounce buffer. */ 640 nbp->b_error = 0; 641 nbp->b_proc = bp->b_proc; 642 nbp->b_vp = NULLVP; 643 644 nbp->b_bcount = count; 645 nbp->b_bufsize = count; 646 nbp->b_data = bounce; 647 648 LIST_INIT(&nbp->b_dep); 649 nbp->b_rawblkno = blkno; 650 651 /* We need to do a read-modify-write operation */ 652 nbp->b_flags = bp->b_flags | B_READ | B_CALL; 653 nbp->b_iodone = cdbounce; 654 655 /* Put ptr to orig buf in b_private and use new buf */ 656 nbp->b_private = bp; 657 bp = nbp; 658 659 } else { 660 /* Xfer is aligned -- just adjust the start block */ 661 bp->b_rawblkno = (blkno * lp->d_secsize) / 662 cd->params.blksize; 663 } 664 } 665 s = splbio(); 666 667 /* 668 * Place it in the queue of disk activities for this disk. 669 * 670 * XXX Only do disksort() if the current operating mode does not 671 * XXX include tagged queueing. 672 */ 673 disksort_blkno(&cd->buf_queue, bp); 674 675 /* 676 * Tell the device to get going on the transfer if it's 677 * not doing anything, otherwise just wait for completion 678 */ 679 cdstart(cd->sc_periph); 680 681 splx(s); 682 return; 683 684 bad: 685 bp->b_flags |= B_ERROR; 686 done: 687 /* 688 * Correctly set the buf to indicate a completed xfer 689 */ 690 bp->b_resid = bp->b_bcount; 691 biodone(bp); 692 } 693 694 /* 695 * cdstart looks to see if there is a buf waiting for the device 696 * and that the device is not already busy. If both are true, 697 * It deques the buf and creates a scsi command to perform the 698 * transfer in the buf. The transfer request will call scsipi_done 699 * on completion, which will in turn call this routine again 700 * so that the next queued transfer is performed. 701 * The bufs are queued by the strategy routine (cdstrategy) 702 * 703 * This routine is also called after other non-queued requests 704 * have been made of the scsi driver, to ensure that the queue 705 * continues to be drained. 706 * 707 * must be called at the correct (highish) spl level 708 * cdstart() is called at splbio from cdstrategy and scsipi_done 709 */ 710 void 711 cdstart(periph) 712 struct scsipi_periph *periph; 713 { 714 struct cd_softc *cd = (void *)periph->periph_dev; 715 struct buf *bp = 0; 716 struct scsipi_rw_big cmd_big; 717 #if NCD_SCSIBUS > 0 718 struct scsi_rw cmd_small; 719 #endif 720 struct scsipi_generic *cmdp; 721 int flags, nblks, cmdlen, error; 722 723 SC_DEBUG(periph, SCSIPI_DB2, ("cdstart ")); 724 /* 725 * Check if the device has room for another command 726 */ 727 while (periph->periph_active < periph->periph_openings) { 728 /* 729 * there is excess capacity, but a special waits 730 * It'll need the adapter as soon as we clear out of the 731 * way and let it run (user level wait). 732 */ 733 if (periph->periph_flags & PERIPH_WAITING) { 734 periph->periph_flags &= ~PERIPH_WAITING; 735 wakeup((caddr_t)periph); 736 return; 737 } 738 739 /* 740 * See if there is a buf with work for us to do.. 741 */ 742 if ((bp = BUFQ_FIRST(&cd->buf_queue)) == NULL) 743 return; 744 BUFQ_REMOVE(&cd->buf_queue, bp); 745 746 /* 747 * If the device has become invalid, abort all the 748 * reads and writes until all files have been closed and 749 * re-opened 750 */ 751 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 752 bp->b_error = EIO; 753 bp->b_flags |= B_ERROR; 754 bp->b_resid = bp->b_bcount; 755 biodone(bp); 756 continue; 757 } 758 759 /* 760 * We have a buf, now we should make a command. 761 */ 762 763 nblks = howmany(bp->b_bcount, cd->params.blksize); 764 765 #if NCD_SCSIBUS > 0 766 /* 767 * Fill out the scsi command. If the transfer will 768 * fit in a "small" cdb, use it. 769 */ 770 if (((bp->b_rawblkno & 0x1fffff) == bp->b_rawblkno) && 771 ((nblks & 0xff) == nblks) && 772 !(periph->periph_quirks & PQUIRK_ONLYBIG) && 773 scsipi_periph_bustype(periph) == SCSIPI_BUSTYPE_SCSI) { 774 /* 775 * We can fit in a small cdb. 776 */ 777 memset(&cmd_small, 0, sizeof(cmd_small)); 778 cmd_small.opcode = (bp->b_flags & B_READ) ? 779 SCSI_READ_COMMAND : SCSI_WRITE_COMMAND; 780 _lto3b(bp->b_rawblkno, cmd_small.addr); 781 cmd_small.length = nblks & 0xff; 782 cmdlen = sizeof(cmd_small); 783 cmdp = (struct scsipi_generic *)&cmd_small; 784 } else 785 #endif 786 { 787 /* 788 * Need a large cdb. 789 */ 790 memset(&cmd_big, 0, sizeof(cmd_big)); 791 cmd_big.opcode = (bp->b_flags & B_READ) ? 792 READ_BIG : WRITE_BIG; 793 _lto4b(bp->b_rawblkno, cmd_big.addr); 794 _lto2b(nblks, cmd_big.length); 795 cmdlen = sizeof(cmd_big); 796 cmdp = (struct scsipi_generic *)&cmd_big; 797 } 798 799 /* Instrumentation. */ 800 disk_busy(&cd->sc_dk); 801 802 /* 803 * Figure out what flags to use. 804 */ 805 flags = XS_CTL_NOSLEEP|XS_CTL_ASYNC; 806 if (bp->b_flags & B_READ) 807 flags |= XS_CTL_DATA_IN; 808 else 809 flags |= XS_CTL_DATA_OUT; 810 if (bp->b_flags & B_ORDERED) 811 flags |= XS_CTL_ORDERED_TAG; 812 else 813 flags |= XS_CTL_SIMPLE_TAG; 814 815 /* 816 * Call the routine that chats with the adapter. 817 * Note: we cannot sleep as we may be an interrupt 818 */ 819 error = scsipi_command(periph, cmdp, cmdlen, 820 (u_char *)bp->b_data, bp->b_bcount, 821 CDRETRIES, 30000, bp, flags); 822 if (error) { 823 disk_unbusy(&cd->sc_dk, 0); 824 printf("%s: not queued, error %d\n", 825 cd->sc_dev.dv_xname, error); 826 } 827 } 828 } 829 830 void 831 cddone(xs) 832 struct scsipi_xfer *xs; 833 { 834 struct cd_softc *cd = (void *)xs->xs_periph->periph_dev; 835 836 if (xs->bp != NULL) { 837 disk_unbusy(&cd->sc_dk, xs->bp->b_bcount - xs->bp->b_resid); 838 #if NRND > 0 839 rnd_add_uint32(&cd->rnd_source, xs->bp->b_rawblkno); 840 #endif 841 } 842 } 843 844 void 845 cdbounce(bp) 846 struct buf *bp; 847 { 848 struct buf *obp = (struct buf *)bp->b_private; 849 850 if (bp->b_flags & B_ERROR) { 851 /* EEK propagate the error and free the memory */ 852 goto done; 853 } 854 if (obp->b_flags & B_READ) { 855 /* Copy data to the final destination and free the buf. */ 856 memcpy(obp->b_data, bp->b_data+obp->b_rawblkno, 857 obp->b_bcount); 858 } else { 859 /* 860 * XXXX This is a CD-ROM -- READ ONLY -- why do we bother with 861 * XXXX any of this write stuff? 862 */ 863 if (bp->b_flags & B_READ) { 864 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 865 struct buf *nbp; 866 int s; 867 868 /* Read part of RMW complete. */ 869 memcpy(bp->b_data+obp->b_rawblkno, obp->b_data, 870 obp->b_bcount); 871 872 s = splbio(); 873 874 /* We need to alloc a new buf. */ 875 nbp = pool_get(&bufpool, PR_NOWAIT); 876 if (!nbp) { 877 splx(s); 878 /* No buf available. */ 879 bp->b_flags |= B_ERROR; 880 bp->b_error = ENOMEM; 881 bp->b_resid = bp->b_bcount; 882 } 883 884 /* Set up the IOP to the bounce buffer. */ 885 nbp->b_error = 0; 886 nbp->b_proc = bp->b_proc; 887 nbp->b_vp = NULLVP; 888 889 nbp->b_bcount = bp->b_bcount; 890 nbp->b_bufsize = bp->b_bufsize; 891 nbp->b_data = bp->b_data; 892 893 LIST_INIT(&nbp->b_dep); 894 nbp->b_rawblkno = bp->b_rawblkno; 895 896 /* We need to do a read-modify-write operation */ 897 nbp->b_flags = obp->b_flags | B_CALL; 898 nbp->b_iodone = cdbounce; 899 900 /* Put ptr to orig buf in b_private and use new buf */ 901 nbp->b_private = obp; 902 903 /* 904 * Place it in the queue of disk activities for this 905 * disk. 906 * 907 * XXX Only do disksort() if the current operating mode 908 * XXX does not include tagged queueing. 909 */ 910 disksort_blkno(&cd->buf_queue, nbp); 911 912 /* 913 * Tell the device to get going on the transfer if it's 914 * not doing anything, otherwise just wait for 915 * completion 916 */ 917 cdstart(cd->sc_periph); 918 919 splx(s); 920 return; 921 922 } 923 } 924 done: 925 obp->b_flags |= (bp->b_flags&(B_EINTR|B_ERROR)); 926 obp->b_error = bp->b_error; 927 obp->b_resid = bp->b_resid; 928 free(bp->b_data, M_DEVBUF); 929 biodone(obp); 930 } 931 932 int cd_interpret_sense(xs) 933 struct scsipi_xfer *xs; 934 { 935 struct scsipi_periph *periph = xs->xs_periph; 936 struct scsipi_sense_data *sense = &xs->sense.scsi_sense; 937 int retval = EJUSTRETURN; 938 939 /* 940 * If it isn't a extended or extended/deferred error, let 941 * the generic code handle it. 942 */ 943 if ((sense->error_code & SSD_ERRCODE) != 0x70 && 944 (sense->error_code & SSD_ERRCODE) != 0x71) { /* DEFERRED */ 945 return (retval); 946 } 947 948 /* 949 * If we got a "Unit not ready" (SKEY_NOT_READY) and "Logical Unit 950 * Is In The Process of Becoming Ready" (Sense code 0x04,0x01), then 951 * wait a bit for the drive to spin up 952 */ 953 954 if ((sense->flags & SSD_KEY) == SKEY_NOT_READY && 955 sense->add_sense_code == 0x4 && 956 sense->add_sense_code_qual == 0x01) { 957 /* 958 * Sleep for 5 seconds to wait for the drive to spin up 959 */ 960 961 SC_DEBUG(periph, SCSIPI_DB1, ("Waiting 5 sec for CD " 962 "spinup\n")); 963 if (!callout_active(&periph->periph_callout)) 964 scsipi_periph_freeze(periph, 1); 965 callout_reset(&periph->periph_callout, 966 5 * hz, scsipi_periph_timed_thaw, periph); 967 retval = ERESTART; 968 } 969 return (retval); 970 } 971 972 void 973 cdminphys(bp) 974 struct buf *bp; 975 { 976 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(bp->b_dev)]; 977 long max; 978 979 /* 980 * If the device is ancient, we want to make sure that 981 * the transfer fits into a 6-byte cdb. 982 * 983 * XXX Note that the SCSI-I spec says that 256-block transfers 984 * are allowed in a 6-byte read/write, and are specified 985 * by settng the "length" to 0. However, we're conservative 986 * here, allowing only 255-block transfers in case an 987 * ancient device gets confused by length == 0. A length of 0 988 * in a 10-byte read/write actually means 0 blocks. 989 */ 990 if (cd->flags & CDF_ANCIENT) { 991 max = cd->sc_dk.dk_label->d_secsize * 0xff; 992 993 if (bp->b_bcount > max) 994 bp->b_bcount = max; 995 } 996 997 (*cd->sc_periph->periph_channel->chan_adapter->adapt_minphys)(bp); 998 } 999 1000 int 1001 cdread(dev, uio, ioflag) 1002 dev_t dev; 1003 struct uio *uio; 1004 int ioflag; 1005 { 1006 1007 return (physio(cdstrategy, NULL, dev, B_READ, cdminphys, uio)); 1008 } 1009 1010 int 1011 cdwrite(dev, uio, ioflag) 1012 dev_t dev; 1013 struct uio *uio; 1014 int ioflag; 1015 { 1016 1017 return (physio(cdstrategy, NULL, dev, B_WRITE, cdminphys, uio)); 1018 } 1019 1020 /* 1021 * conversion between minute-seconde-frame and logical block adress 1022 * adresses format 1023 */ 1024 void 1025 lba2msf (lba, m, s, f) 1026 u_long lba; 1027 u_char *m, *s, *f; 1028 { 1029 u_long tmp; 1030 1031 tmp = lba + CD_BLOCK_OFFSET; /* offset of first logical frame */ 1032 tmp &= 0xffffff; /* negative lbas use only 24 bits */ 1033 *m = tmp / (CD_SECS * CD_FRAMES); 1034 tmp %= (CD_SECS * CD_FRAMES); 1035 *s = tmp / CD_FRAMES; 1036 *f = tmp % CD_FRAMES; 1037 } 1038 1039 u_long 1040 msf2lba (m, s, f) 1041 u_char m, s, f; 1042 { 1043 1044 return ((((m * CD_SECS) + s) * CD_FRAMES + f) - CD_BLOCK_OFFSET); 1045 } 1046 1047 int 1048 cdreadmsaddr(cd, addr) 1049 struct cd_softc *cd; 1050 int *addr; 1051 { 1052 struct scsipi_periph *periph = cd->sc_periph; 1053 int error; 1054 struct cd_toc toc; 1055 struct cd_toc_entry *cte; 1056 1057 error = cd_read_toc(cd, 0, 0, &toc, 1058 sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry), 1059 XS_CTL_DATA_ONSTACK, 1060 0x40 /* control word for "get MS info" */); 1061 1062 if (error) 1063 return (error); 1064 1065 cte = &toc.entries[0]; 1066 if (periph->periph_quirks & PQUIRK_LITTLETOC) { 1067 cte->addr.lba = le32toh(cte->addr.lba); 1068 toc.header.len = le16toh(toc.header.len); 1069 } else { 1070 cte->addr.lba = be32toh(cte->addr.lba); 1071 toc.header.len = be16toh(toc.header.len); 1072 } 1073 1074 *addr = (toc.header.len >= 10 && cte->track > 1) ? 1075 cte->addr.lba : 0; 1076 return 0; 1077 } 1078 1079 /* 1080 * Perform special action on behalf of the user. 1081 * Knows about the internals of this device 1082 */ 1083 int 1084 cdioctl(dev, cmd, addr, flag, p) 1085 dev_t dev; 1086 u_long cmd; 1087 caddr_t addr; 1088 int flag; 1089 struct proc *p; 1090 { 1091 struct cd_softc *cd = cd_cd.cd_devs[CDUNIT(dev)]; 1092 struct scsipi_periph *periph = cd->sc_periph; 1093 int part = CDPART(dev); 1094 int error; 1095 #ifdef __HAVE_OLD_DISKLABEL 1096 struct disklabel newlabel; 1097 #endif 1098 1099 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, ("cdioctl 0x%lx ", cmd)); 1100 1101 /* 1102 * If the device is not valid, some IOCTLs can still be 1103 * handled on the raw partition. Check this here. 1104 */ 1105 if ((periph->periph_flags & PERIPH_MEDIA_LOADED) == 0) { 1106 switch (cmd) { 1107 case DIOCWLABEL: 1108 case DIOCLOCK: 1109 case ODIOCEJECT: 1110 case DIOCEJECT: 1111 case SCIOCIDENTIFY: 1112 case OSCIOCIDENTIFY: 1113 case SCIOCCOMMAND: 1114 case SCIOCDEBUG: 1115 case CDIOCGETVOL: 1116 case CDIOCSETVOL: 1117 case CDIOCSETMONO: 1118 case CDIOCSETSTEREO: 1119 case CDIOCSETMUTE: 1120 case CDIOCSETLEFT: 1121 case CDIOCSETRIGHT: 1122 case CDIOCCLOSE: 1123 case CDIOCEJECT: 1124 case CDIOCALLOW: 1125 case CDIOCPREVENT: 1126 case CDIOCSETDEBUG: 1127 case CDIOCCLRDEBUG: 1128 case CDIOCRESET: 1129 case SCIOCRESET: 1130 case CDIOCLOADUNLOAD: 1131 case DVD_AUTH: 1132 case DVD_READ_STRUCT: 1133 if (part == RAW_PART) 1134 break; 1135 /* FALLTHROUGH */ 1136 default: 1137 if ((periph->periph_flags & PERIPH_OPEN) == 0) 1138 return (ENODEV); 1139 else 1140 return (EIO); 1141 } 1142 } 1143 1144 switch (cmd) { 1145 case DIOCGDINFO: 1146 *(struct disklabel *)addr = *(cd->sc_dk.dk_label); 1147 return (0); 1148 #ifdef __HAVE_OLD_DISKLABEL 1149 case ODIOCGDINFO: 1150 newlabel = *(cd->sc_dk.dk_label); 1151 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 1152 return ENOTTY; 1153 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 1154 return (0); 1155 #endif 1156 1157 case DIOCGPART: 1158 ((struct partinfo *)addr)->disklab = cd->sc_dk.dk_label; 1159 ((struct partinfo *)addr)->part = 1160 &cd->sc_dk.dk_label->d_partitions[part]; 1161 return (0); 1162 1163 case DIOCWDINFO: 1164 case DIOCSDINFO: 1165 #ifdef __HAVE_OLD_DISKLABEL 1166 case ODIOCWDINFO: 1167 case ODIOCSDINFO: 1168 #endif 1169 { 1170 struct disklabel *lp; 1171 1172 #ifdef __HAVE_OLD_DISKLABEL 1173 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) { 1174 memset(&newlabel, 0, sizeof newlabel); 1175 memcpy(&newlabel, addr, sizeof (struct olddisklabel)); 1176 lp = &newlabel; 1177 } else 1178 #endif 1179 lp = (struct disklabel *)addr; 1180 1181 if ((flag & FWRITE) == 0) 1182 return (EBADF); 1183 1184 if ((error = cdlock(cd)) != 0) 1185 return (error); 1186 cd->flags |= CDF_LABELLING; 1187 1188 error = setdisklabel(cd->sc_dk.dk_label, 1189 lp, /*cd->sc_dk.dk_openmask : */0, 1190 cd->sc_dk.dk_cpulabel); 1191 if (error == 0) { 1192 /* XXX ? */ 1193 } 1194 1195 cd->flags &= ~CDF_LABELLING; 1196 cdunlock(cd); 1197 return (error); 1198 } 1199 1200 case DIOCWLABEL: 1201 return (EBADF); 1202 1203 case DIOCGDEFLABEL: 1204 cdgetdefaultlabel(cd, (struct disklabel *)addr); 1205 return (0); 1206 1207 #ifdef __HAVE_OLD_DISKLABEL 1208 case ODIOCGDEFLABEL: 1209 cdgetdefaultlabel(cd, &newlabel); 1210 if (newlabel.d_npartitions > OLDMAXPARTITIONS) 1211 return ENOTTY; 1212 memcpy(addr, &newlabel, sizeof (struct olddisklabel)); 1213 return (0); 1214 #endif 1215 1216 case CDIOCPLAYTRACKS: { 1217 struct ioc_play_track *args = (struct ioc_play_track *)addr; 1218 1219 if ((error = (*cd->sc_ops->cdo_set_pa_immed)(cd, 0)) != 0) 1220 return (error); 1221 return (cd_play_tracks(cd, args->start_track, 1222 args->start_index, args->end_track, args->end_index)); 1223 } 1224 case CDIOCPLAYMSF: { 1225 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 1226 1227 if ((error = (*cd->sc_ops->cdo_set_pa_immed)(cd, 0)) != 0) 1228 return (error); 1229 return (cd_play_msf(cd, args->start_m, args->start_s, 1230 args->start_f, args->end_m, args->end_s, args->end_f)); 1231 } 1232 case CDIOCPLAYBLOCKS: { 1233 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 1234 1235 if ((error = (*cd->sc_ops->cdo_set_pa_immed)(cd, 0)) != 0) 1236 return (error); 1237 return (cd_play(cd, args->blk, args->len)); 1238 } 1239 case CDIOCREADSUBCHANNEL: { 1240 struct ioc_read_subchannel *args = 1241 (struct ioc_read_subchannel *)addr; 1242 struct cd_sub_channel_info data; 1243 int len = args->data_len; 1244 1245 if (len > sizeof(data) || 1246 len < sizeof(struct cd_sub_channel_header)) 1247 return (EINVAL); 1248 error = cd_read_subchannel(cd, args->address_format, 1249 args->data_format, args->track, &data, len, 1250 XS_CTL_DATA_ONSTACK); 1251 if (error) 1252 return (error); 1253 len = min(len, _2btol(data.header.data_len) + 1254 sizeof(struct cd_sub_channel_header)); 1255 return (copyout(&data, args->data, len)); 1256 } 1257 case CDIOREADTOCHEADER: { 1258 struct ioc_toc_header th; 1259 1260 if ((error = cd_read_toc(cd, 0, 0, &th, sizeof(th), 1261 XS_CTL_DATA_ONSTACK, 0)) != 0) 1262 return (error); 1263 if (cd->sc_periph->periph_quirks & PQUIRK_LITTLETOC) 1264 th.len = le16toh(th.len); 1265 else 1266 th.len = be16toh(th.len); 1267 memcpy(addr, &th, sizeof(th)); 1268 return (0); 1269 } 1270 case CDIOREADTOCENTRYS: { 1271 struct cd_toc toc; 1272 struct ioc_read_toc_entry *te = 1273 (struct ioc_read_toc_entry *)addr; 1274 struct ioc_toc_header *th; 1275 struct cd_toc_entry *cte; 1276 int len = te->data_len; 1277 int ntracks; 1278 1279 th = &toc.header; 1280 1281 if (len > sizeof(toc.entries) || 1282 len < sizeof(struct cd_toc_entry)) 1283 return (EINVAL); 1284 error = cd_read_toc(cd, te->address_format, te->starting_track, 1285 &toc, len + sizeof(struct ioc_toc_header), 1286 XS_CTL_DATA_ONSTACK, 0); 1287 if (error) 1288 return (error); 1289 if (te->address_format == CD_LBA_FORMAT) 1290 for (ntracks = 1291 th->ending_track - th->starting_track + 1; 1292 ntracks >= 0; ntracks--) { 1293 cte = &toc.entries[ntracks]; 1294 cte->addr_type = CD_LBA_FORMAT; 1295 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1296 cte->addr.lba = le32toh(cte->addr.lba); 1297 else 1298 cte->addr.lba = be32toh(cte->addr.lba); 1299 } 1300 if (periph->periph_quirks & PQUIRK_LITTLETOC) 1301 th->len = le16toh(th->len); 1302 else 1303 th->len = be16toh(th->len); 1304 len = min(len, th->len - (sizeof(th->starting_track) + 1305 sizeof(th->ending_track))); 1306 return (copyout(toc.entries, te->data, len)); 1307 } 1308 case CDIOREADMSADDR: { 1309 int sessno = *(int*)addr; 1310 1311 if (sessno != 0) 1312 return (EINVAL); 1313 1314 return (cdreadmsaddr(cd, (int*)addr)); 1315 } 1316 case CDIOCSETPATCH: { 1317 struct ioc_patch *arg = (struct ioc_patch *)addr; 1318 1319 return ((*cd->sc_ops->cdo_setchan)(cd, arg->patch[0], 1320 arg->patch[1], arg->patch[2], arg->patch[3], 0)); 1321 } 1322 case CDIOCGETVOL: { 1323 struct ioc_vol *arg = (struct ioc_vol *)addr; 1324 1325 return ((*cd->sc_ops->cdo_getvol)(cd, arg, 0)); 1326 } 1327 case CDIOCSETVOL: { 1328 struct ioc_vol *arg = (struct ioc_vol *)addr; 1329 1330 return ((*cd->sc_ops->cdo_setvol)(cd, arg, 0)); 1331 } 1332 1333 case CDIOCSETMONO: 1334 return ((*cd->sc_ops->cdo_setchan)(cd, BOTH_CHANNEL, 1335 BOTH_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1336 1337 case CDIOCSETSTEREO: 1338 return ((*cd->sc_ops->cdo_setchan)(cd, LEFT_CHANNEL, 1339 RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1340 1341 case CDIOCSETMUTE: 1342 return ((*cd->sc_ops->cdo_setchan)(cd, MUTE_CHANNEL, 1343 MUTE_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1344 1345 case CDIOCSETLEFT: 1346 return ((*cd->sc_ops->cdo_setchan)(cd, LEFT_CHANNEL, 1347 LEFT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1348 1349 case CDIOCSETRIGHT: 1350 return ((*cd->sc_ops->cdo_setchan)(cd, RIGHT_CHANNEL, 1351 RIGHT_CHANNEL, MUTE_CHANNEL, MUTE_CHANNEL, 0)); 1352 1353 case CDIOCRESUME: 1354 return (cd_pause(cd, PA_RESUME)); 1355 case CDIOCPAUSE: 1356 return (cd_pause(cd, PA_PAUSE)); 1357 case CDIOCSTART: 1358 return (scsipi_start(periph, SSS_START, 0)); 1359 case CDIOCSTOP: 1360 return (scsipi_start(periph, SSS_STOP, 0)); 1361 case CDIOCCLOSE: 1362 return (scsipi_start(periph, SSS_START|SSS_LOEJ, 1363 XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE)); 1364 case DIOCEJECT: 1365 if (*(int *)addr == 0) { 1366 /* 1367 * Don't force eject: check that we are the only 1368 * partition open. If so, unlock it. 1369 */ 1370 if ((cd->sc_dk.dk_openmask & ~(1 << part)) == 0 && 1371 cd->sc_dk.dk_bopenmask + cd->sc_dk.dk_copenmask == 1372 cd->sc_dk.dk_openmask) { 1373 error = scsipi_prevent(periph, PR_ALLOW, 1374 XS_CTL_IGNORE_NOT_READY); 1375 if (error) 1376 return (error); 1377 } else { 1378 return (EBUSY); 1379 } 1380 } 1381 /* FALLTHROUGH */ 1382 case CDIOCEJECT: /* FALLTHROUGH */ 1383 case ODIOCEJECT: 1384 return (scsipi_start(periph, SSS_STOP|SSS_LOEJ, 0)); 1385 case CDIOCALLOW: 1386 return (scsipi_prevent(periph, PR_ALLOW, 0)); 1387 case CDIOCPREVENT: 1388 return (scsipi_prevent(periph, PR_PREVENT, 0)); 1389 case DIOCLOCK: 1390 return (scsipi_prevent(periph, 1391 (*(int *)addr) ? PR_PREVENT : PR_ALLOW, 0)); 1392 case CDIOCSETDEBUG: 1393 cd->sc_periph->periph_dbflags |= (SCSIPI_DB1 | SCSIPI_DB2); 1394 return (0); 1395 case CDIOCCLRDEBUG: 1396 cd->sc_periph->periph_dbflags &= ~(SCSIPI_DB1 | SCSIPI_DB2); 1397 return (0); 1398 case CDIOCRESET: 1399 case SCIOCRESET: 1400 return (cd_reset(cd)); 1401 case CDIOCLOADUNLOAD: { 1402 struct ioc_load_unload *args = (struct ioc_load_unload *)addr; 1403 1404 return ((*cd->sc_ops->cdo_load_unload)(cd, args->options, 1405 args->slot)); 1406 case DVD_AUTH: 1407 return (dvd_auth(cd, (dvd_authinfo *)addr)); 1408 case DVD_READ_STRUCT: 1409 return (dvd_read_struct(cd, (dvd_struct *)addr)); 1410 } 1411 1412 default: 1413 if (part != RAW_PART) 1414 return (ENOTTY); 1415 return (scsipi_do_ioctl(periph, dev, cmd, addr, flag, p)); 1416 } 1417 1418 #ifdef DIAGNOSTIC 1419 panic("cdioctl: impossible"); 1420 #endif 1421 } 1422 1423 void 1424 cdgetdefaultlabel(cd, lp) 1425 struct cd_softc *cd; 1426 struct disklabel *lp; 1427 { 1428 int lastsession; 1429 1430 memset(lp, 0, sizeof(struct disklabel)); 1431 1432 lp->d_secsize = cd->params.blksize; 1433 lp->d_ntracks = 1; 1434 lp->d_nsectors = 100; 1435 lp->d_ncylinders = (cd->params.disksize / 100) + 1; 1436 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors; 1437 1438 switch (scsipi_periph_bustype(cd->sc_periph)) { 1439 #if NCD_SCSIBUS > 0 1440 case SCSIPI_BUSTYPE_SCSI: 1441 lp->d_type = DTYPE_SCSI; 1442 break; 1443 #endif 1444 #if NCD_ATAPIBUS > 0 1445 case SCSIPI_BUSTYPE_ATAPI: 1446 lp->d_type = DTYPE_ATAPI; 1447 break; 1448 #endif 1449 } 1450 strncpy(lp->d_typename, cd->name, 16); 1451 strncpy(lp->d_packname, "fictitious", 16); 1452 lp->d_secperunit = cd->params.disksize; 1453 lp->d_rpm = 300; 1454 lp->d_interleave = 1; 1455 lp->d_flags = D_REMOVABLE; 1456 1457 if (cdreadmsaddr(cd, &lastsession) != 0) 1458 lastsession = 0; 1459 1460 lp->d_partitions[0].p_offset = 0; 1461 #ifdef notyet /* have to fix bounds_check_with_label() first */ 1462 lp->d_partitions[0].p_size = lp->d_secperunit; 1463 #else 1464 lp->d_partitions[0].p_size = 1465 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1466 #endif 1467 lp->d_partitions[0].p_cdsession = lastsession; 1468 lp->d_partitions[0].p_fstype = FS_ISO9660; 1469 lp->d_partitions[RAW_PART].p_offset = 0; 1470 #ifdef notyet 1471 lp->d_partitions[RAW_PART].p_size = lp->d_secperunit; 1472 #else 1473 lp->d_partitions[RAW_PART].p_size = 1474 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE); 1475 #endif 1476 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660; 1477 lp->d_npartitions = RAW_PART + 1; 1478 1479 lp->d_magic = DISKMAGIC; 1480 lp->d_magic2 = DISKMAGIC; 1481 lp->d_checksum = dkcksum(lp); 1482 } 1483 1484 /* 1485 * Load the label information on the named device 1486 * Actually fabricate a disklabel 1487 * 1488 * EVENTUALLY take information about different 1489 * data tracks from the TOC and put it in the disklabel 1490 */ 1491 void 1492 cdgetdisklabel(cd) 1493 struct cd_softc *cd; 1494 { 1495 struct disklabel *lp = cd->sc_dk.dk_label; 1496 char *errstring; 1497 1498 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1499 1500 cdgetdefaultlabel(cd, lp); 1501 1502 /* 1503 * Call the generic disklabel extraction routine 1504 */ 1505 errstring = readdisklabel(MAKECDDEV(0, cd->sc_dev.dv_unit, RAW_PART), 1506 cdstrategy, lp, cd->sc_dk.dk_cpulabel); 1507 if (errstring) { 1508 printf("%s: %s\n", cd->sc_dev.dv_xname, errstring); 1509 goto error; 1510 } 1511 return; 1512 1513 error: 1514 /* Reset to default label -- should print a warning */ 1515 memset(cd->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel)); 1516 1517 cdgetdefaultlabel(cd, lp); 1518 } 1519 1520 /* 1521 * Find out from the device what it's capacity is 1522 */ 1523 u_long 1524 cd_size(cd, flags) 1525 struct cd_softc *cd; 1526 int flags; 1527 { 1528 struct scsipi_read_cd_cap_data rdcap; 1529 struct scsipi_read_cd_capacity scsipi_cmd; 1530 int blksize; 1531 u_long size; 1532 1533 if (cd->sc_periph->periph_quirks & PQUIRK_NOCAPACITY) { 1534 /* 1535 * the drive doesn't support the READ_CD_CAPACITY command 1536 * use a fake size 1537 */ 1538 cd->params.blksize = 2048; 1539 cd->params.disksize = 400000; 1540 return (400000); 1541 } 1542 1543 /* 1544 * make up a scsi command and ask the scsi driver to do 1545 * it for you. 1546 */ 1547 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1548 scsipi_cmd.opcode = READ_CD_CAPACITY; 1549 1550 /* 1551 * If the command works, interpret the result as a 4 byte 1552 * number of blocks and a blocksize 1553 */ 1554 if (scsipi_command(cd->sc_periph, 1555 (struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd), 1556 (u_char *)&rdcap, sizeof(rdcap), CDRETRIES, 30000, NULL, 1557 flags | XS_CTL_DATA_IN | XS_CTL_DATA_IN) != 0) 1558 return (0); 1559 1560 blksize = _4btol(rdcap.length); 1561 if ((blksize < 512) || ((blksize & 511) != 0)) 1562 blksize = 2048; /* some drives lie ! */ 1563 cd->params.blksize = blksize; 1564 1565 size = _4btol(rdcap.addr) + 1; 1566 if (size < 100) 1567 size = 400000; /* ditto */ 1568 cd->params.disksize = size; 1569 1570 SC_DEBUG(cd->sc_periph, SCSIPI_DB2, 1571 ("cd_size: %d %ld\n", blksize, size)); 1572 return (size); 1573 } 1574 1575 /* 1576 * Get scsi driver to send a "start playing" command 1577 */ 1578 int 1579 cd_play(cd, blkno, nblks) 1580 struct cd_softc *cd; 1581 int blkno, nblks; 1582 { 1583 struct scsipi_play scsipi_cmd; 1584 1585 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1586 scsipi_cmd.opcode = PLAY; 1587 _lto4b(blkno, scsipi_cmd.blk_addr); 1588 _lto2b(nblks, scsipi_cmd.xfer_len); 1589 return (scsipi_command(cd->sc_periph, 1590 (struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd), 1591 0, 0, CDRETRIES, 30000, NULL, 0)); 1592 } 1593 1594 /* 1595 * Get scsi driver to send a "start playing" command 1596 */ 1597 int 1598 cd_play_tracks(cd, strack, sindex, etrack, eindex) 1599 struct cd_softc *cd; 1600 int strack, sindex, etrack, eindex; 1601 { 1602 struct cd_toc toc; 1603 int error; 1604 1605 if (!etrack) 1606 return (EIO); 1607 if (strack > etrack) 1608 return (EINVAL); 1609 1610 if ((error = cd_load_toc(cd, &toc, XS_CTL_DATA_ONSTACK)) != 0) 1611 return (error); 1612 1613 if (++etrack > (toc.header.ending_track+1)) 1614 etrack = toc.header.ending_track+1; 1615 1616 strack -= toc.header.starting_track; 1617 etrack -= toc.header.starting_track; 1618 if (strack < 0) 1619 return (EINVAL); 1620 1621 return (cd_play_msf(cd, toc.entries[strack].addr.msf.minute, 1622 toc.entries[strack].addr.msf.second, 1623 toc.entries[strack].addr.msf.frame, 1624 toc.entries[etrack].addr.msf.minute, 1625 toc.entries[etrack].addr.msf.second, 1626 toc.entries[etrack].addr.msf.frame)); 1627 } 1628 1629 /* 1630 * Get scsi driver to send a "play msf" command 1631 */ 1632 int 1633 cd_play_msf(cd, startm, starts, startf, endm, ends, endf) 1634 struct cd_softc *cd; 1635 int startm, starts, startf, endm, ends, endf; 1636 { 1637 struct scsipi_play_msf scsipi_cmd; 1638 1639 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1640 scsipi_cmd.opcode = PLAY_MSF; 1641 scsipi_cmd.start_m = startm; 1642 scsipi_cmd.start_s = starts; 1643 scsipi_cmd.start_f = startf; 1644 scsipi_cmd.end_m = endm; 1645 scsipi_cmd.end_s = ends; 1646 scsipi_cmd.end_f = endf; 1647 return (scsipi_command(cd->sc_periph, 1648 (struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd), 1649 0, 0, CDRETRIES, 30000, NULL, 0)); 1650 } 1651 1652 /* 1653 * Get scsi driver to send a "start up" command 1654 */ 1655 int 1656 cd_pause(cd, go) 1657 struct cd_softc *cd; 1658 int go; 1659 { 1660 struct scsipi_pause scsipi_cmd; 1661 1662 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1663 scsipi_cmd.opcode = PAUSE; 1664 scsipi_cmd.resume = go & 0xff; 1665 return (scsipi_command(cd->sc_periph, 1666 (struct scsipi_generic *)&scsipi_cmd, sizeof(scsipi_cmd), 1667 0, 0, CDRETRIES, 30000, NULL, 0)); 1668 } 1669 1670 /* 1671 * Get scsi driver to send a "RESET" command 1672 */ 1673 int 1674 cd_reset(cd) 1675 struct cd_softc *cd; 1676 { 1677 1678 return (scsipi_command(cd->sc_periph, 0, 0, 0, 0, 1679 CDRETRIES, 30000, NULL, XS_CTL_RESET)); 1680 } 1681 1682 /* 1683 * Read subchannel 1684 */ 1685 int 1686 cd_read_subchannel(cd, mode, format, track, data, len, flags) 1687 struct cd_softc *cd; 1688 int mode, format, track, len; 1689 struct cd_sub_channel_info *data; 1690 int flags; 1691 { 1692 struct scsipi_read_subchannel scsipi_cmd; 1693 1694 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1695 scsipi_cmd.opcode = READ_SUBCHANNEL; 1696 if (mode == CD_MSF_FORMAT) 1697 scsipi_cmd.byte2 |= CD_MSF; 1698 scsipi_cmd.byte3 = SRS_SUBQ; 1699 scsipi_cmd.subchan_format = format; 1700 scsipi_cmd.track = track; 1701 _lto2b(len, scsipi_cmd.data_len); 1702 return (scsipi_command(cd->sc_periph, 1703 (struct scsipi_generic *)&scsipi_cmd, 1704 sizeof(struct scsipi_read_subchannel), (u_char *)data, len, 1705 CDRETRIES, 30000, NULL, flags | XS_CTL_DATA_IN | XS_CTL_SILENT)); 1706 } 1707 1708 /* 1709 * Read table of contents 1710 */ 1711 int 1712 cd_read_toc(cd, mode, start, data, len, flags, control) 1713 struct cd_softc *cd; 1714 int mode, start, len, control; 1715 void *data; 1716 int flags; 1717 { 1718 struct scsipi_read_toc scsipi_cmd; 1719 int ntoc; 1720 1721 memset(&scsipi_cmd, 0, sizeof(scsipi_cmd)); 1722 #if 0 1723 if (len != sizeof(struct ioc_toc_header)) 1724 ntoc = ((len) - sizeof(struct ioc_toc_header)) / 1725 sizeof(struct cd_toc_entry); 1726 else 1727 #endif 1728 ntoc = len; 1729 scsipi_cmd.opcode = READ_TOC; 1730 if (mode == CD_MSF_FORMAT) 1731 scsipi_cmd.byte2 |= CD_MSF; 1732 scsipi_cmd.from_track = start; 1733 _lto2b(ntoc, scsipi_cmd.data_len); 1734 scsipi_cmd.control = control; 1735 return (scsipi_command(cd->sc_periph, 1736 (struct scsipi_generic *)&scsipi_cmd, 1737 sizeof(struct scsipi_read_toc), (u_char *)data, len, CDRETRIES, 1738 30000, NULL, flags | XS_CTL_DATA_IN)); 1739 } 1740 1741 int 1742 cd_load_toc(cd, toc, flags) 1743 struct cd_softc *cd; 1744 struct cd_toc *toc; 1745 int flags; 1746 { 1747 int ntracks, len, error; 1748 1749 if ((error = cd_read_toc(cd, 0, 0, toc, sizeof(toc->header), 1750 flags, 0)) != 0) 1751 return (error); 1752 1753 ntracks = toc->header.ending_track - toc->header.starting_track + 1; 1754 len = (ntracks + 1) * sizeof(struct cd_toc_entry) + 1755 sizeof(toc->header); 1756 if ((error = cd_read_toc(cd, CD_MSF_FORMAT, 0, toc, len, 1757 flags, 0)) != 0) 1758 return (error); 1759 return (0); 1760 } 1761 1762 /* 1763 * Get the scsi driver to send a full inquiry to the device and use the 1764 * results to fill out the disk parameter structure. 1765 */ 1766 int 1767 cd_get_parms(cd, flags) 1768 struct cd_softc *cd; 1769 int flags; 1770 { 1771 1772 /* 1773 * give a number of sectors so that sec * trks * cyls 1774 * is <= disk_size 1775 */ 1776 if (cd_size(cd, flags) == 0) 1777 return (ENXIO); 1778 return (0); 1779 } 1780 1781 int 1782 cdsize(dev) 1783 dev_t dev; 1784 { 1785 1786 /* CD-ROMs are read-only. */ 1787 return (-1); 1788 } 1789 1790 int 1791 cddump(dev, blkno, va, size) 1792 dev_t dev; 1793 daddr_t blkno; 1794 caddr_t va; 1795 size_t size; 1796 { 1797 1798 /* Not implemented. */ 1799 return (ENXIO); 1800 } 1801 1802 #define dvd_copy_key(dst, src) memcpy((dst), (src), sizeof(dvd_key)) 1803 #define dvd_copy_challenge(dst, src) memcpy((dst), (src), sizeof(dvd_challenge)) 1804 1805 int 1806 dvd_auth(cd, a) 1807 struct cd_softc *cd; 1808 dvd_authinfo *a; 1809 { 1810 struct scsipi_generic cmd; 1811 u_int8_t buf[20]; 1812 int error; 1813 1814 memset(cmd.bytes, 0, 15); 1815 memset(buf, 0, sizeof(buf)); 1816 1817 switch (a->type) { 1818 case DVD_LU_SEND_AGID: 1819 cmd.opcode = GPCMD_REPORT_KEY; 1820 cmd.bytes[8] = 8; 1821 cmd.bytes[9] = 0 | (0 << 6); 1822 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8, 1823 CDRETRIES, 30000, NULL, 1824 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1825 if (error) 1826 return (error); 1827 a->lsa.agid = buf[7] >> 6; 1828 return (0); 1829 1830 case DVD_LU_SEND_CHALLENGE: 1831 cmd.opcode = GPCMD_REPORT_KEY; 1832 cmd.bytes[8] = 16; 1833 cmd.bytes[9] = 1 | (a->lsc.agid << 6); 1834 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16, 1835 CDRETRIES, 30000, NULL, 1836 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1837 if (error) 1838 return (error); 1839 dvd_copy_challenge(a->lsc.chal, &buf[4]); 1840 return (0); 1841 1842 case DVD_LU_SEND_KEY1: 1843 cmd.opcode = GPCMD_REPORT_KEY; 1844 cmd.bytes[8] = 12; 1845 cmd.bytes[9] = 2 | (a->lsk.agid << 6); 1846 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12, 1847 CDRETRIES, 30000, NULL, 1848 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1849 if (error) 1850 return (error); 1851 dvd_copy_key(a->lsk.key, &buf[4]); 1852 return (0); 1853 1854 case DVD_LU_SEND_TITLE_KEY: 1855 cmd.opcode = GPCMD_REPORT_KEY; 1856 _lto4b(a->lstk.lba, &cmd.bytes[1]); 1857 cmd.bytes[8] = 12; 1858 cmd.bytes[9] = 4 | (a->lstk.agid << 6); 1859 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12, 1860 CDRETRIES, 30000, NULL, 1861 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1862 if (error) 1863 return (error); 1864 a->lstk.cpm = (buf[4] >> 7) & 1; 1865 a->lstk.cp_sec = (buf[4] >> 6) & 1; 1866 a->lstk.cgms = (buf[4] >> 4) & 3; 1867 dvd_copy_key(a->lstk.title_key, &buf[5]); 1868 return (0); 1869 1870 case DVD_LU_SEND_ASF: 1871 cmd.opcode = GPCMD_REPORT_KEY; 1872 cmd.bytes[8] = 8; 1873 cmd.bytes[9] = 5 | (a->lsasf.agid << 6); 1874 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8, 1875 CDRETRIES, 30000, NULL, 1876 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1877 if (error) 1878 return (error); 1879 a->lsasf.asf = buf[7] & 1; 1880 return (0); 1881 1882 case DVD_HOST_SEND_CHALLENGE: 1883 cmd.opcode = GPCMD_SEND_KEY; 1884 cmd.bytes[8] = 16; 1885 cmd.bytes[9] = 1 | (a->hsc.agid << 6); 1886 buf[1] = 14; 1887 dvd_copy_challenge(&buf[4], a->hsc.chal); 1888 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16, 1889 CDRETRIES, 30000, NULL, 1890 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 1891 if (error) 1892 return (error); 1893 a->type = DVD_LU_SEND_KEY1; 1894 return (0); 1895 1896 case DVD_HOST_SEND_KEY2: 1897 cmd.opcode = GPCMD_SEND_KEY; 1898 cmd.bytes[8] = 12; 1899 cmd.bytes[9] = 3 | (a->hsk.agid << 6); 1900 buf[1] = 10; 1901 dvd_copy_key(&buf[4], a->hsk.key); 1902 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 12, 1903 CDRETRIES, 30000, NULL, 1904 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 1905 if (error) { 1906 a->type = DVD_AUTH_FAILURE; 1907 return (error); 1908 } 1909 a->type = DVD_AUTH_ESTABLISHED; 1910 return (0); 1911 1912 case DVD_INVALIDATE_AGID: 1913 cmd.opcode = GPCMD_REPORT_KEY; 1914 cmd.bytes[9] = 0x3f | (a->lsa.agid << 6); 1915 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 16, 1916 CDRETRIES, 30000, NULL, 0); 1917 if (error) 1918 return (error); 1919 return (0); 1920 1921 case DVD_LU_SEND_RPC_STATE: 1922 cmd.opcode = GPCMD_REPORT_KEY; 1923 cmd.bytes[8] = 8; 1924 cmd.bytes[9] = 8 | (0 << 6); 1925 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8, 1926 CDRETRIES, 30000, NULL, 1927 XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1928 if (error) 1929 return (error); 1930 a->lrpcs.type = (buf[8] >> 6) & 3; 1931 a->lrpcs.vra = (buf[8] >> 3) & 7; 1932 a->lrpcs.ucca = (buf[8]) & 7; 1933 a->lrpcs.region_mask = buf[9]; 1934 a->lrpcs.rpc_scheme = buf[10]; 1935 return (0); 1936 1937 case DVD_HOST_SEND_RPC_STATE: 1938 cmd.opcode = GPCMD_SEND_KEY; 1939 cmd.bytes[8] = 8; 1940 cmd.bytes[9] = 6 | (0 << 6); 1941 buf[1] = 6; 1942 buf[4] = a->hrpcs.pdrc; 1943 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, 8, 1944 CDRETRIES, 30000, NULL, 1945 XS_CTL_DATA_OUT|XS_CTL_DATA_ONSTACK); 1946 if (error) 1947 return (error); 1948 return (0); 1949 1950 default: 1951 return (ENOTTY); 1952 } 1953 } 1954 1955 int 1956 dvd_read_physical(cd, s) 1957 struct cd_softc *cd; 1958 dvd_struct *s; 1959 { 1960 struct scsipi_generic cmd; 1961 u_int8_t buf[4 + 4 * 20], *bufp; 1962 int error; 1963 struct dvd_layer *layer; 1964 int i; 1965 1966 memset(cmd.bytes, 0, 15); 1967 memset(buf, 0, sizeof(buf)); 1968 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 1969 cmd.bytes[6] = s->type; 1970 _lto2b(sizeof(buf), &cmd.bytes[7]); 1971 1972 cmd.bytes[5] = s->physical.layer_num; 1973 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf), 1974 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 1975 if (error) 1976 return (error); 1977 for (i = 0, bufp = &buf[4], layer = &s->physical.layer[0]; i < 4; 1978 i++, bufp += 20, layer++) { 1979 memset(layer, 0, sizeof(*layer)); 1980 layer->book_version = bufp[0] & 0xf; 1981 layer->book_type = bufp[0] >> 4; 1982 layer->min_rate = bufp[1] & 0xf; 1983 layer->disc_size = bufp[1] >> 4; 1984 layer->layer_type = bufp[2] & 0xf; 1985 layer->track_path = (bufp[2] >> 4) & 1; 1986 layer->nlayers = (bufp[2] >> 5) & 3; 1987 layer->track_density = bufp[3] & 0xf; 1988 layer->linear_density = bufp[3] >> 4; 1989 layer->start_sector = _4btol(&bufp[4]); 1990 layer->end_sector = _4btol(&bufp[8]); 1991 layer->end_sector_l0 = _4btol(&bufp[12]); 1992 layer->bca = bufp[16] >> 7; 1993 } 1994 return (0); 1995 } 1996 1997 int 1998 dvd_read_copyright(cd, s) 1999 struct cd_softc *cd; 2000 dvd_struct *s; 2001 { 2002 struct scsipi_generic cmd; 2003 u_int8_t buf[8]; 2004 int error; 2005 2006 memset(cmd.bytes, 0, 15); 2007 memset(buf, 0, sizeof(buf)); 2008 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2009 cmd.bytes[6] = s->type; 2010 _lto2b(sizeof(buf), &cmd.bytes[7]); 2011 2012 cmd.bytes[5] = s->copyright.layer_num; 2013 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf), 2014 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2015 if (error) 2016 return (error); 2017 s->copyright.cpst = buf[4]; 2018 s->copyright.rmi = buf[5]; 2019 return (0); 2020 } 2021 2022 int 2023 dvd_read_disckey(cd, s) 2024 struct cd_softc *cd; 2025 dvd_struct *s; 2026 { 2027 struct scsipi_generic cmd; 2028 u_int8_t buf[4 + 2048]; 2029 int error; 2030 2031 memset(cmd.bytes, 0, 15); 2032 memset(buf, 0, sizeof(buf)); 2033 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2034 cmd.bytes[6] = s->type; 2035 _lto2b(sizeof(buf), &cmd.bytes[7]); 2036 2037 cmd.bytes[9] = s->disckey.agid << 6; 2038 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf), 2039 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2040 if (error) 2041 return (error); 2042 memcpy(s->disckey.value, &buf[4], 2048); 2043 return (0); 2044 } 2045 2046 int 2047 dvd_read_bca(cd, s) 2048 struct cd_softc *cd; 2049 dvd_struct *s; 2050 { 2051 struct scsipi_generic cmd; 2052 u_int8_t buf[4 + 188]; 2053 int error; 2054 2055 memset(cmd.bytes, 0, 15); 2056 memset(buf, 0, sizeof(buf)); 2057 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2058 cmd.bytes[6] = s->type; 2059 _lto2b(sizeof(buf), &cmd.bytes[7]); 2060 2061 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf), 2062 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2063 if (error) 2064 return (error); 2065 s->bca.len = _2btol(&buf[0]); 2066 if (s->bca.len < 12 || s->bca.len > 188) 2067 return (EIO); 2068 memcpy(s->bca.value, &buf[4], s->bca.len); 2069 return (0); 2070 } 2071 2072 int 2073 dvd_read_manufact(cd, s) 2074 struct cd_softc *cd; 2075 dvd_struct *s; 2076 { 2077 struct scsipi_generic cmd; 2078 u_int8_t buf[4 + 2048]; 2079 int error; 2080 2081 memset(cmd.bytes, 0, 15); 2082 memset(buf, 0, sizeof(buf)); 2083 cmd.opcode = GPCMD_READ_DVD_STRUCTURE; 2084 cmd.bytes[6] = s->type; 2085 _lto2b(sizeof(buf), &cmd.bytes[7]); 2086 2087 error = scsipi_command(cd->sc_periph, &cmd, 12, buf, sizeof(buf), 2088 CDRETRIES, 30000, NULL, XS_CTL_DATA_IN|XS_CTL_DATA_ONSTACK); 2089 if (error) 2090 return (error); 2091 s->manufact.len = _2btol(&buf[0]); 2092 if (s->manufact.len < 0 || s->manufact.len > 2048) 2093 return (EIO); 2094 memcpy(s->manufact.value, &buf[4], s->manufact.len); 2095 return (0); 2096 } 2097 2098 int 2099 dvd_read_struct(cd, s) 2100 struct cd_softc *cd; 2101 dvd_struct *s; 2102 { 2103 2104 switch (s->type) { 2105 case DVD_STRUCT_PHYSICAL: 2106 return (dvd_read_physical(cd, s)); 2107 case DVD_STRUCT_COPYRIGHT: 2108 return (dvd_read_copyright(cd, s)); 2109 case DVD_STRUCT_DISCKEY: 2110 return (dvd_read_disckey(cd, s)); 2111 case DVD_STRUCT_BCA: 2112 return (dvd_read_bca(cd, s)); 2113 case DVD_STRUCT_MANUFACT: 2114 return (dvd_read_manufact(cd, s)); 2115 default: 2116 return (EINVAL); 2117 } 2118 } 2119