scsi_cd.c revision 71752
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/cam/scsi/scsi_cd.c 71752 2001-01-28 21:43:17Z ken $ 28 */ 29/* 30 * Portions of this driver taken from the original FreeBSD cd driver. 31 * Written by Julian Elischer (julian@tfs.com) 32 * for TRW Financial Systems for use under the MACH(2.5) operating system. 33 * 34 * TRW Financial Systems, in accordance with their agreement with Carnegie 35 * Mellon University, makes this software available to CMU to distribute 36 * or use in any manner that they see fit as long as this message is kept with 37 * the software. For this reason TFS also grants any other persons or 38 * organisations permission to use or modify this software. 39 * 40 * TFS supplies this software to be publicly redistributed 41 * on the understanding that TFS is not responsible for the correct 42 * functioning of this software in any circumstances. 43 * 44 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 45 * 46 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 47 */ 48 49#include "opt_cd.h" 50 51#include <sys/param.h> 52#include <sys/systm.h> 53#include <sys/kernel.h> 54#include <sys/bio.h> 55#include <sys/conf.h> 56#include <sys/disk.h> 57#include <sys/malloc.h> 58#include <sys/cdio.h> 59#include <sys/dvdio.h> 60#include <sys/devicestat.h> 61#include <sys/sysctl.h> 62 63#include <cam/cam.h> 64#include <cam/cam_ccb.h> 65#include <cam/cam_extend.h> 66#include <cam/cam_periph.h> 67#include <cam/cam_xpt_periph.h> 68#include <cam/cam_queue.h> 69 70#include <cam/scsi/scsi_message.h> 71#include <cam/scsi/scsi_da.h> 72#include <cam/scsi/scsi_cd.h> 73 74#define LEADOUT 0xaa /* leadout toc entry */ 75 76struct cd_params { 77 u_int32_t blksize; 78 u_long disksize; 79}; 80 81typedef enum { 82 CD_Q_NONE = 0x00, 83 CD_Q_NO_TOUCH = 0x01, 84 CD_Q_BCD_TRACKS = 0x02, 85 CD_Q_NO_CHANGER = 0x04, 86 CD_Q_CHANGER = 0x08 87} cd_quirks; 88 89typedef enum { 90 CD_FLAG_INVALID = 0x001, 91 CD_FLAG_NEW_DISC = 0x002, 92 CD_FLAG_DISC_LOCKED = 0x004, 93 CD_FLAG_DISC_REMOVABLE = 0x008, 94 CD_FLAG_TAGGED_QUEUING = 0x010, 95 CD_FLAG_CHANGER = 0x040, 96 CD_FLAG_ACTIVE = 0x080, 97 CD_FLAG_SCHED_ON_COMP = 0x100, 98 CD_FLAG_RETRY_UA = 0x200 99} cd_flags; 100 101typedef enum { 102 CD_CCB_PROBE = 0x01, 103 CD_CCB_BUFFER_IO = 0x02, 104 CD_CCB_WAITING = 0x03, 105 CD_CCB_TYPE_MASK = 0x0F, 106 CD_CCB_RETRY_UA = 0x10 107} cd_ccb_state; 108 109typedef enum { 110 CHANGER_TIMEOUT_SCHED = 0x01, 111 CHANGER_SHORT_TMOUT_SCHED = 0x02, 112 CHANGER_MANUAL_CALL = 0x04, 113 CHANGER_NEED_TIMEOUT = 0x08 114} cd_changer_flags; 115 116#define ccb_state ppriv_field0 117#define ccb_bp ppriv_ptr1 118 119typedef enum { 120 CD_STATE_PROBE, 121 CD_STATE_NORMAL 122} cd_state; 123 124struct cd_softc { 125 cam_pinfo pinfo; 126 cd_state state; 127 volatile cd_flags flags; 128 struct bio_queue_head bio_queue; 129 LIST_HEAD(, ccb_hdr) pending_ccbs; 130 struct cd_params params; 131 struct disk disk; 132 union ccb saved_ccb; 133 cd_quirks quirks; 134 struct devstat device_stats; 135 STAILQ_ENTRY(cd_softc) changer_links; 136 struct cdchanger *changer; 137 int bufs_left; 138 struct cam_periph *periph; 139}; 140 141struct cd_quirk_entry { 142 struct scsi_inquiry_pattern inq_pat; 143 cd_quirks quirks; 144}; 145 146/* 147 * These quirk entries aren't strictly necessary. Basically, what they do 148 * is tell cdregister() up front that a device is a changer. Otherwise, it 149 * will figure that fact out once it sees a LUN on the device that is 150 * greater than 0. If it is known up front that a device is a changer, all 151 * I/O to the device will go through the changer scheduling routines, as 152 * opposed to the "normal" CD code. 153 */ 154static struct cd_quirk_entry cd_quirk_table[] = 155{ 156 { 157 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 158 /*quirks*/ CD_Q_CHANGER 159 }, 160 { 161 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 162 "*"}, /* quirks */ CD_Q_CHANGER 163 }, 164 { 165 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 166 /* quirks */ CD_Q_CHANGER 167 }, 168 { 169 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 170 /* quirks */ CD_Q_BCD_TRACKS 171 } 172}; 173 174#ifndef MIN 175#define MIN(x,y) ((x<y) ? x : y) 176#endif 177 178#define CD_CDEV_MAJOR 15 179#define CD_BDEV_MAJOR 6 180 181static d_open_t cdopen; 182static d_close_t cdclose; 183static d_ioctl_t cdioctl; 184static d_strategy_t cdstrategy; 185 186static periph_init_t cdinit; 187static periph_ctor_t cdregister; 188static periph_dtor_t cdcleanup; 189static periph_start_t cdstart; 190static periph_oninv_t cdoninvalidate; 191static void cdasync(void *callback_arg, u_int32_t code, 192 struct cam_path *path, void *arg); 193static void cdshorttimeout(void *arg); 194static void cdschedule(struct cam_periph *periph, int priority); 195static void cdrunchangerqueue(void *arg); 196static void cdchangerschedule(struct cd_softc *softc); 197static int cdrunccb(union ccb *ccb, 198 int (*error_routine)(union ccb *ccb, 199 u_int32_t cam_flags, 200 u_int32_t sense_flags), 201 u_int32_t cam_flags, u_int32_t sense_flags); 202static union ccb *cdgetccb(struct cam_periph *periph, 203 u_int32_t priority); 204static void cddone(struct cam_periph *periph, 205 union ccb *start_ccb); 206static int cderror(union ccb *ccb, u_int32_t cam_flags, 207 u_int32_t sense_flags); 208static void cdprevent(struct cam_periph *periph, int action); 209static int cdsize(dev_t dev, u_int32_t *size); 210static int cdfirsttrackisdata(struct cam_periph *periph); 211static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 212 u_int32_t start, struct cd_toc_entry *data, 213 u_int32_t len); 214static int cdgetmode(struct cam_periph *periph, 215 struct cd_mode_data *data, u_int32_t page); 216static int cdsetmode(struct cam_periph *periph, 217 struct cd_mode_data *data); 218static int cdplay(struct cam_periph *periph, u_int32_t blk, 219 u_int32_t len); 220static int cdreadsubchannel(struct cam_periph *periph, 221 u_int32_t mode, u_int32_t format, 222 int track, 223 struct cd_sub_channel_info *data, 224 u_int32_t len); 225static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 226 u_int32_t starts, u_int32_t startf, 227 u_int32_t endm, u_int32_t ends, 228 u_int32_t endf); 229static int cdplaytracks(struct cam_periph *periph, 230 u_int32_t strack, u_int32_t sindex, 231 u_int32_t etrack, u_int32_t eindex); 232static int cdpause(struct cam_periph *periph, u_int32_t go); 233static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 234static int cdstartunit(struct cam_periph *periph); 235static int cdreportkey(struct cam_periph *periph, 236 struct dvd_authinfo *authinfo); 237static int cdsendkey(struct cam_periph *periph, 238 struct dvd_authinfo *authinfo); 239static int cdreaddvdstructure(struct cam_periph *periph, 240 struct dvd_struct *dvdstruct); 241 242static struct periph_driver cddriver = 243{ 244 cdinit, "cd", 245 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 246}; 247 248DATA_SET(periphdriver_set, cddriver); 249 250/* For 2.2-stable support */ 251#ifndef D_DISK 252#define D_DISK 0 253#endif 254static struct cdevsw cd_cdevsw = { 255 /* open */ cdopen, 256 /* close */ cdclose, 257 /* read */ physread, 258 /* write */ physwrite, 259 /* ioctl */ cdioctl, 260 /* poll */ nopoll, 261 /* mmap */ nommap, 262 /* strategy */ cdstrategy, 263 /* name */ "cd", 264 /* maj */ CD_CDEV_MAJOR, 265 /* dump */ nodump, 266 /* psize */ nopsize, 267 /* flags */ D_DISK, 268 /* bmaj */ CD_BDEV_MAJOR 269}; 270static struct cdevsw cddisk_cdevsw; 271 272static struct extend_array *cdperiphs; 273static int num_changers; 274 275#ifndef CHANGER_MIN_BUSY_SECONDS 276#define CHANGER_MIN_BUSY_SECONDS 5 277#endif 278#ifndef CHANGER_MAX_BUSY_SECONDS 279#define CHANGER_MAX_BUSY_SECONDS 15 280#endif 281 282static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 283static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 284 285/* 286 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 287 * variables. 288 */ 289SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 290SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 291SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 292SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 293 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 294SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 295 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 296 297struct cdchanger { 298 path_id_t path_id; 299 target_id_t target_id; 300 int num_devices; 301 struct camq devq; 302 struct timeval start_time; 303 struct cd_softc *cur_device; 304 struct callout_handle short_handle; 305 struct callout_handle long_handle; 306 volatile cd_changer_flags flags; 307 STAILQ_ENTRY(cdchanger) changer_links; 308 STAILQ_HEAD(chdevlist, cd_softc) chluns; 309}; 310 311static STAILQ_HEAD(changerlist, cdchanger) changerq; 312 313void 314cdinit(void) 315{ 316 cam_status status; 317 struct cam_path *path; 318 319 /* 320 * Create our extend array for storing the devices we attach to. 321 */ 322 cdperiphs = cam_extend_new(); 323 if (cdperiphs == NULL) { 324 printf("cd: Failed to alloc extend array!\n"); 325 return; 326 } 327 328 /* 329 * Install a global async callback. This callback will 330 * receive async callbacks like "new device found". 331 */ 332 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 333 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 334 335 if (status == CAM_REQ_CMP) { 336 struct ccb_setasync csa; 337 338 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 339 csa.ccb_h.func_code = XPT_SASYNC_CB; 340 csa.event_enable = AC_FOUND_DEVICE; 341 csa.callback = cdasync; 342 csa.callback_arg = NULL; 343 xpt_action((union ccb *)&csa); 344 status = csa.ccb_h.status; 345 xpt_free_path(path); 346 } 347 348 if (status != CAM_REQ_CMP) { 349 printf("cd: Failed to attach master async callback " 350 "due to status 0x%x!\n", status); 351 } 352} 353 354static void 355cdoninvalidate(struct cam_periph *periph) 356{ 357 int s; 358 struct cd_softc *softc; 359 struct bio *q_bp; 360 struct ccb_setasync csa; 361 362 softc = (struct cd_softc *)periph->softc; 363 364 /* 365 * De-register any async callbacks. 366 */ 367 xpt_setup_ccb(&csa.ccb_h, periph->path, 368 /* priority */ 5); 369 csa.ccb_h.func_code = XPT_SASYNC_CB; 370 csa.event_enable = 0; 371 csa.callback = cdasync; 372 csa.callback_arg = periph; 373 xpt_action((union ccb *)&csa); 374 375 softc->flags |= CD_FLAG_INVALID; 376 377 /* 378 * Although the oninvalidate() routines are always called at 379 * splsoftcam, we need to be at splbio() here to keep the buffer 380 * queue from being modified while we traverse it. 381 */ 382 s = splbio(); 383 384 /* 385 * Return all queued I/O with ENXIO. 386 * XXX Handle any transactions queued to the card 387 * with XPT_ABORT_CCB. 388 */ 389 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 390 bioq_remove(&softc->bio_queue, q_bp); 391 q_bp->bio_resid = q_bp->bio_bcount; 392 q_bp->bio_error = ENXIO; 393 q_bp->bio_flags |= BIO_ERROR; 394 biodone(q_bp); 395 } 396 splx(s); 397 398 /* 399 * If this device is part of a changer, and it was scheduled 400 * to run, remove it from the run queue since we just nuked 401 * all of its scheduled I/O. 402 */ 403 if ((softc->flags & CD_FLAG_CHANGER) 404 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 405 camq_remove(&softc->changer->devq, softc->pinfo.index); 406 407 xpt_print_path(periph->path); 408 printf("lost device\n"); 409} 410 411static void 412cdcleanup(struct cam_periph *periph) 413{ 414 struct cd_softc *softc; 415 int s; 416 417 softc = (struct cd_softc *)periph->softc; 418 419 xpt_print_path(periph->path); 420 printf("removing device entry\n"); 421 422 s = splsoftcam(); 423 /* 424 * In the queued, non-active case, the device in question 425 * has already been removed from the changer run queue. Since this 426 * device is active, we need to de-activate it, and schedule 427 * another device to run. (if there is another one to run) 428 */ 429 if ((softc->flags & CD_FLAG_CHANGER) 430 && (softc->flags & CD_FLAG_ACTIVE)) { 431 432 /* 433 * The purpose of the short timeout is soley to determine 434 * whether the current device has finished or not. Well, 435 * since we're removing the active device, we know that it 436 * is finished. So, get rid of the short timeout. 437 * Otherwise, if we're in the time period before the short 438 * timeout fires, and there are no other devices in the 439 * queue to run, there won't be any other device put in the 440 * active slot. i.e., when we call cdrunchangerqueue() 441 * below, it won't do anything. Then, when the short 442 * timeout fires, it'll look at the "current device", which 443 * we are free below, and possibly panic the kernel on a 444 * bogus pointer reference. 445 * 446 * The long timeout doesn't really matter, since we 447 * decrement the qfrozen_cnt to indicate that there is 448 * nothing in the active slot now. Therefore, there won't 449 * be any bogus pointer references there. 450 */ 451 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 452 untimeout(cdshorttimeout, softc->changer, 453 softc->changer->short_handle); 454 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 455 } 456 softc->changer->devq.qfrozen_cnt--; 457 softc->changer->flags |= CHANGER_MANUAL_CALL; 458 cdrunchangerqueue(softc->changer); 459 } 460 461 /* 462 * If we're removing the last device on the changer, go ahead and 463 * remove the changer device structure. 464 */ 465 if ((softc->flags & CD_FLAG_CHANGER) 466 && (--softc->changer->num_devices == 0)) { 467 468 /* 469 * Theoretically, there shouldn't be any timeouts left, but 470 * I'm not completely sure that that will be the case. So, 471 * it won't hurt to check and see if there are any left. 472 */ 473 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 474 untimeout(cdrunchangerqueue, softc->changer, 475 softc->changer->long_handle); 476 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 477 } 478 479 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 480 untimeout(cdshorttimeout, softc->changer, 481 softc->changer->short_handle); 482 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 483 } 484 485 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 486 changer_links); 487 xpt_print_path(periph->path); 488 printf("removing changer entry\n"); 489 free(softc->changer, M_DEVBUF); 490 num_changers--; 491 } 492 devstat_remove_entry(&softc->device_stats); 493 cam_extend_release(cdperiphs, periph->unit_number); 494 free(softc, M_DEVBUF); 495 splx(s); 496} 497 498static void 499cdasync(void *callback_arg, u_int32_t code, 500 struct cam_path *path, void *arg) 501{ 502 struct cam_periph *periph; 503 504 periph = (struct cam_periph *)callback_arg; 505 switch (code) { 506 case AC_FOUND_DEVICE: 507 { 508 struct ccb_getdev *cgd; 509 cam_status status; 510 511 cgd = (struct ccb_getdev *)arg; 512 513 if (SID_TYPE(&cgd->inq_data) != T_CDROM 514 && SID_TYPE(&cgd->inq_data) != T_WORM) 515 break; 516 517 /* 518 * Allocate a peripheral instance for 519 * this device and start the probe 520 * process. 521 */ 522 status = cam_periph_alloc(cdregister, cdoninvalidate, 523 cdcleanup, cdstart, 524 "cd", CAM_PERIPH_BIO, 525 cgd->ccb_h.path, cdasync, 526 AC_FOUND_DEVICE, cgd); 527 528 if (status != CAM_REQ_CMP 529 && status != CAM_REQ_INPROG) 530 printf("cdasync: Unable to attach new device " 531 "due to status 0x%x\n", status); 532 533 break; 534 } 535 case AC_SENT_BDR: 536 case AC_BUS_RESET: 537 { 538 struct cd_softc *softc; 539 struct ccb_hdr *ccbh; 540 int s; 541 542 softc = (struct cd_softc *)periph->softc; 543 s = splsoftcam(); 544 /* 545 * Don't fail on the expected unit attention 546 * that will occur. 547 */ 548 softc->flags |= CD_FLAG_RETRY_UA; 549 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 550 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 551 ccbh->ccb_state |= CD_CCB_RETRY_UA; 552 splx(s); 553 /* FALLTHROUGH */ 554 } 555 default: 556 cam_periph_async(periph, code, path, arg); 557 break; 558 } 559} 560 561static cam_status 562cdregister(struct cam_periph *periph, void *arg) 563{ 564 struct cd_softc *softc; 565 struct ccb_setasync csa; 566 struct ccb_getdev *cgd; 567 caddr_t match; 568 569 cgd = (struct ccb_getdev *)arg; 570 if (periph == NULL) { 571 printf("cdregister: periph was NULL!!\n"); 572 return(CAM_REQ_CMP_ERR); 573 } 574 if (cgd == NULL) { 575 printf("cdregister: no getdev CCB, can't register device\n"); 576 return(CAM_REQ_CMP_ERR); 577 } 578 579 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 580 581 if (softc == NULL) { 582 printf("cdregister: Unable to probe new device. " 583 "Unable to allocate softc\n"); 584 return(CAM_REQ_CMP_ERR); 585 } 586 587 bzero(softc, sizeof(*softc)); 588 LIST_INIT(&softc->pending_ccbs); 589 softc->state = CD_STATE_PROBE; 590 bioq_init(&softc->bio_queue); 591 if (SID_IS_REMOVABLE(&cgd->inq_data)) 592 softc->flags |= CD_FLAG_DISC_REMOVABLE; 593 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 594 softc->flags |= CD_FLAG_TAGGED_QUEUING; 595 596 periph->softc = softc; 597 softc->periph = periph; 598 599 cam_extend_set(cdperiphs, periph->unit_number, periph); 600 601 /* 602 * See if this device has any quirks. 603 */ 604 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 605 (caddr_t)cd_quirk_table, 606 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 607 sizeof(*cd_quirk_table), scsi_inquiry_match); 608 609 if (match != NULL) 610 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 611 else 612 softc->quirks = CD_Q_NONE; 613 614 /* 615 * We need to register the statistics structure for this device, 616 * but we don't have the blocksize yet for it. So, we register 617 * the structure and indicate that we don't have the blocksize 618 * yet. Unlike other SCSI peripheral drivers, we explicitly set 619 * the device type here to be CDROM, rather than just ORing in 620 * the device type. This is because this driver can attach to either 621 * CDROM or WORM devices, and we want this peripheral driver to 622 * show up in the devstat list as a CD peripheral driver, not a 623 * WORM peripheral driver. WORM drives will also have the WORM 624 * driver attached to them. 625 */ 626 devstat_add_entry(&softc->device_stats, "cd", 627 periph->unit_number, 0, 628 DEVSTAT_BS_UNAVAILABLE, 629 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 630 DEVSTAT_PRIORITY_CD); 631 disk_create(periph->unit_number, &softc->disk, 632 DSO_ONESLICE | DSO_COMPATLABEL, 633 &cd_cdevsw, &cddisk_cdevsw); 634 635 /* 636 * Add an async callback so that we get 637 * notified if this device goes away. 638 */ 639 xpt_setup_ccb(&csa.ccb_h, periph->path, 640 /* priority */ 5); 641 csa.ccb_h.func_code = XPT_SASYNC_CB; 642 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 643 csa.callback = cdasync; 644 csa.callback_arg = periph; 645 xpt_action((union ccb *)&csa); 646 647 /* 648 * If the target lun is greater than 0, we most likely have a CD 649 * changer device. Check the quirk entries as well, though, just 650 * in case someone has a CD tower with one lun per drive or 651 * something like that. Also, if we know up front that a 652 * particular device is a changer, we can mark it as such starting 653 * with lun 0, instead of lun 1. It shouldn't be necessary to have 654 * a quirk entry to define something as a changer, however. 655 */ 656 if (((cgd->ccb_h.target_lun > 0) 657 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 658 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 659 struct cdchanger *nchanger; 660 struct cam_periph *nperiph; 661 struct cam_path *path; 662 cam_status status; 663 int found; 664 665 /* Set the changer flag in the current device's softc */ 666 softc->flags |= CD_FLAG_CHANGER; 667 668 if (num_changers == 0) 669 STAILQ_INIT(&changerq); 670 671 /* 672 * Now, look around for an existing changer device with the 673 * same path and target ID as the current device. 674 */ 675 for (found = 0, 676 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 677 nchanger != NULL; 678 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 679 if ((nchanger->path_id == cgd->ccb_h.path_id) 680 && (nchanger->target_id == cgd->ccb_h.target_id)) { 681 found = 1; 682 break; 683 } 684 } 685 686 /* 687 * If we found a matching entry, just add this device to 688 * the list of devices on this changer. 689 */ 690 if (found == 1) { 691 struct chdevlist *chlunhead; 692 693 chlunhead = &nchanger->chluns; 694 695 /* 696 * XXX KDM look at consolidating this code with the 697 * code below in a separate function. 698 */ 699 700 /* 701 * Create a path with lun id 0, and see if we can 702 * find a matching device 703 */ 704 status = xpt_create_path(&path, /*periph*/ periph, 705 cgd->ccb_h.path_id, 706 cgd->ccb_h.target_id, 0); 707 708 if ((status == CAM_REQ_CMP) 709 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 710 struct cd_softc *nsoftc; 711 712 nsoftc = (struct cd_softc *)nperiph->softc; 713 714 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 715 nsoftc->flags |= CD_FLAG_CHANGER; 716 nchanger->num_devices++; 717 if (camq_resize(&nchanger->devq, 718 nchanger->num_devices)!=CAM_REQ_CMP){ 719 printf("cdregister: " 720 "camq_resize " 721 "failed, changer " 722 "support may " 723 "be messed up\n"); 724 } 725 nsoftc->changer = nchanger; 726 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 727 728 STAILQ_INSERT_TAIL(&nchanger->chluns, 729 nsoftc,changer_links); 730 } 731 xpt_free_path(path); 732 } else if (status == CAM_REQ_CMP) 733 xpt_free_path(path); 734 else { 735 printf("cdregister: unable to allocate path\n" 736 "cdregister: changer support may be " 737 "broken\n"); 738 } 739 740 nchanger->num_devices++; 741 742 softc->changer = nchanger; 743 softc->pinfo.index = CAM_UNQUEUED_INDEX; 744 745 if (camq_resize(&nchanger->devq, 746 nchanger->num_devices) != CAM_REQ_CMP) { 747 printf("cdregister: camq_resize " 748 "failed, changer support may " 749 "be messed up\n"); 750 } 751 752 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 753 } 754 /* 755 * In this case, we don't already have an entry for this 756 * particular changer, so we need to create one, add it to 757 * the queue, and queue this device on the list for this 758 * changer. Before we queue this device, however, we need 759 * to search for lun id 0 on this target, and add it to the 760 * queue first, if it exists. (and if it hasn't already 761 * been marked as part of the changer.) 762 */ 763 else { 764 nchanger = malloc(sizeof(struct cdchanger), 765 M_DEVBUF, M_NOWAIT); 766 767 if (nchanger == NULL) { 768 softc->flags &= ~CD_FLAG_CHANGER; 769 printf("cdregister: unable to malloc " 770 "changer structure\ncdregister: " 771 "changer support disabled\n"); 772 773 /* 774 * Yes, gotos can be gross but in this case 775 * I think it's justified.. 776 */ 777 goto cdregisterexit; 778 } 779 780 /* zero the structure */ 781 bzero(nchanger, sizeof(struct cdchanger)); 782 783 if (camq_init(&nchanger->devq, 1) != 0) { 784 softc->flags &= ~CD_FLAG_CHANGER; 785 printf("cdregister: changer support " 786 "disabled\n"); 787 goto cdregisterexit; 788 } 789 790 num_changers++; 791 792 nchanger->path_id = cgd->ccb_h.path_id; 793 nchanger->target_id = cgd->ccb_h.target_id; 794 795 /* this is superfluous, but it makes things clearer */ 796 nchanger->num_devices = 0; 797 798 STAILQ_INIT(&nchanger->chluns); 799 800 STAILQ_INSERT_TAIL(&changerq, nchanger, 801 changer_links); 802 803 /* 804 * Create a path with lun id 0, and see if we can 805 * find a matching device 806 */ 807 status = xpt_create_path(&path, /*periph*/ periph, 808 cgd->ccb_h.path_id, 809 cgd->ccb_h.target_id, 0); 810 811 /* 812 * If we were able to allocate the path, and if we 813 * find a matching device and it isn't already 814 * marked as part of a changer, then we add it to 815 * the current changer. 816 */ 817 if ((status == CAM_REQ_CMP) 818 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 819 && ((((struct cd_softc *)periph->softc)->flags & 820 CD_FLAG_CHANGER) == 0)) { 821 struct cd_softc *nsoftc; 822 823 nsoftc = (struct cd_softc *)nperiph->softc; 824 825 nsoftc->flags |= CD_FLAG_CHANGER; 826 nchanger->num_devices++; 827 if (camq_resize(&nchanger->devq, 828 nchanger->num_devices) != CAM_REQ_CMP) { 829 printf("cdregister: camq_resize " 830 "failed, changer support may " 831 "be messed up\n"); 832 } 833 nsoftc->changer = nchanger; 834 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 835 836 STAILQ_INSERT_TAIL(&nchanger->chluns, 837 nsoftc, changer_links); 838 xpt_free_path(path); 839 } else if (status == CAM_REQ_CMP) 840 xpt_free_path(path); 841 else { 842 printf("cdregister: unable to allocate path\n" 843 "cdregister: changer support may be " 844 "broken\n"); 845 } 846 847 softc->changer = nchanger; 848 softc->pinfo.index = CAM_UNQUEUED_INDEX; 849 nchanger->num_devices++; 850 if (camq_resize(&nchanger->devq, 851 nchanger->num_devices) != CAM_REQ_CMP) { 852 printf("cdregister: camq_resize " 853 "failed, changer support may " 854 "be messed up\n"); 855 } 856 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 857 changer_links); 858 } 859 } 860 861cdregisterexit: 862 863 /* Lock this peripheral until we are setup */ 864 /* Can't block */ 865 cam_periph_lock(periph, PRIBIO); 866 867 if ((softc->flags & CD_FLAG_CHANGER) == 0) 868 xpt_schedule(periph, /*priority*/5); 869 else 870 cdschedule(periph, /*priority*/ 5); 871 872 return(CAM_REQ_CMP); 873} 874 875static int 876cdopen(dev_t dev, int flags, int fmt, struct proc *p) 877{ 878 struct disklabel *label; 879 struct cam_periph *periph; 880 struct cd_softc *softc; 881 struct ccb_getdev cgd; 882 u_int32_t size; 883 int unit, error; 884 int s; 885 886 unit = dkunit(dev); 887 periph = cam_extend_get(cdperiphs, unit); 888 889 if (periph == NULL) 890 return (ENXIO); 891 892 softc = (struct cd_softc *)periph->softc; 893 894 /* 895 * Grab splsoftcam and hold it until we lock the peripheral. 896 */ 897 s = splsoftcam(); 898 if (softc->flags & CD_FLAG_INVALID) { 899 splx(s); 900 return(ENXIO); 901 } 902 903 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 904 splx(s); 905 return (error); 906 } 907 908 splx(s); 909 910 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 911 return(ENXIO); 912 913 cdprevent(periph, PR_PREVENT); 914 915 /* find out the size */ 916 if ((error = cdsize(dev, &size)) != 0) { 917 cdprevent(periph, PR_ALLOW); 918 cam_periph_unlock(periph); 919 cam_periph_release(periph); 920 return(error); 921 } 922 923 /* 924 * If we get a non-zero return, revert back to not reading the 925 * label off the disk. The first track is likely audio, which 926 * won't have a disklabel. 927 */ 928 if ((error = cdfirsttrackisdata(periph)) != 0) { 929 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 930 softc->disk.d_dsflags |= DSO_NOLABELS; 931 error = 0; 932 } 933 934 /* 935 * Build prototype label for whole disk. 936 * Should take information about different data tracks from the 937 * TOC and put it in the partition table. 938 */ 939 label = &softc->disk.d_label; 940 bzero(label, sizeof(*label)); 941 label->d_type = DTYPE_SCSI; 942 943 /* 944 * Grab the inquiry data to get the vendor and product names. 945 * Put them in the typename and packname for the label. 946 */ 947 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 948 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 949 xpt_action((union ccb *)&cgd); 950 951 strncpy(label->d_typename, cgd.inq_data.vendor, 952 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 953 strncpy(label->d_packname, cgd.inq_data.product, 954 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 955 956 label->d_secsize = softc->params.blksize; 957 label->d_secperunit = softc->params.disksize; 958 label->d_flags = D_REMOVABLE; 959 /* 960 * Make partition 'a' cover the whole disk. This is a temporary 961 * compatibility hack. The 'a' partition should not exist, so 962 * the slice code won't create it. The slice code will make 963 * partition (RAW_PART + 'a') cover the whole disk and fill in 964 * some more defaults. 965 */ 966 label->d_partitions[0].p_size = label->d_secperunit; 967 label->d_partitions[0].p_fstype = FS_OTHER; 968 969 /* 970 * We unconditionally (re)set the blocksize each time the 971 * CD device is opened. This is because the CD can change, 972 * and therefore the blocksize might change. 973 * XXX problems here if some slice or partition is still 974 * open with the old size? 975 */ 976 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 977 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 978 softc->device_stats.block_size = softc->params.blksize; 979 980 cam_periph_unlock(periph); 981 982 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 983 984 return (error); 985} 986 987static int 988cdclose(dev_t dev, int flag, int fmt, struct proc *p) 989{ 990 struct cam_periph *periph; 991 struct cd_softc *softc; 992 int unit, error; 993 994 unit = dkunit(dev); 995 periph = cam_extend_get(cdperiphs, unit); 996 if (periph == NULL) 997 return (ENXIO); 998 999 softc = (struct cd_softc *)periph->softc; 1000 1001 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1002 return (error); 1003 1004 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1005 cdprevent(periph, PR_ALLOW); 1006 1007 /* 1008 * Unconditionally set the dsopen() flags back to their default 1009 * state. 1010 */ 1011 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1012 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1013 1014 /* 1015 * Since we're closing this CD, mark the blocksize as unavailable. 1016 * It will be marked as available whence the CD is opened again. 1017 */ 1018 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1019 1020 cam_periph_unlock(periph); 1021 cam_periph_release(periph); 1022 1023 return (0); 1024} 1025 1026static void 1027cdshorttimeout(void *arg) 1028{ 1029 struct cdchanger *changer; 1030 int s; 1031 1032 s = splsoftcam(); 1033 1034 changer = (struct cdchanger *)arg; 1035 1036 /* Always clear the short timeout flag, since that's what we're in */ 1037 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1038 1039 /* 1040 * Check to see if there is any more pending or outstanding I/O for 1041 * this device. If not, move it out of the active slot. 1042 */ 1043 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1044 && (changer->cur_device->device_stats.busy_count == 0)) { 1045 changer->flags |= CHANGER_MANUAL_CALL; 1046 cdrunchangerqueue(changer); 1047 } 1048 1049 splx(s); 1050} 1051 1052/* 1053 * This is a wrapper for xpt_schedule. It only applies to changers. 1054 */ 1055static void 1056cdschedule(struct cam_periph *periph, int priority) 1057{ 1058 struct cd_softc *softc; 1059 int s; 1060 1061 s = splsoftcam(); 1062 1063 softc = (struct cd_softc *)periph->softc; 1064 1065 /* 1066 * If this device isn't currently queued, and if it isn't 1067 * the active device, then we queue this device and run the 1068 * changer queue if there is no timeout scheduled to do it. 1069 * If this device is the active device, just schedule it 1070 * to run again. If this device is queued, there should be 1071 * a timeout in place already that will make sure it runs. 1072 */ 1073 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1074 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1075 /* 1076 * We don't do anything with the priority here. 1077 * This is strictly a fifo queue. 1078 */ 1079 softc->pinfo.priority = 1; 1080 softc->pinfo.generation = ++softc->changer->devq.generation; 1081 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1082 1083 /* 1084 * Since we just put a device in the changer queue, 1085 * check and see if there is a timeout scheduled for 1086 * this changer. If so, let the timeout handle 1087 * switching this device into the active slot. If 1088 * not, manually call the timeout routine to 1089 * bootstrap things. 1090 */ 1091 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1092 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1093 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1094 softc->changer->flags |= CHANGER_MANUAL_CALL; 1095 cdrunchangerqueue(softc->changer); 1096 } 1097 } else if ((softc->flags & CD_FLAG_ACTIVE) 1098 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1099 xpt_schedule(periph, priority); 1100 1101 splx(s); 1102 1103} 1104 1105static void 1106cdrunchangerqueue(void *arg) 1107{ 1108 struct cd_softc *softc; 1109 struct cdchanger *changer; 1110 int called_from_timeout; 1111 int s; 1112 1113 s = splsoftcam(); 1114 1115 changer = (struct cdchanger *)arg; 1116 1117 /* 1118 * If we have NOT been called from cdstrategy() or cddone(), and 1119 * instead from a timeout routine, go ahead and clear the 1120 * timeout flag. 1121 */ 1122 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1123 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1124 called_from_timeout = 1; 1125 } else 1126 called_from_timeout = 0; 1127 1128 /* Always clear the manual call flag */ 1129 changer->flags &= ~CHANGER_MANUAL_CALL; 1130 1131 /* nothing to do if the queue is empty */ 1132 if (changer->devq.entries <= 0) { 1133 splx(s); 1134 return; 1135 } 1136 1137 /* 1138 * If the changer queue is frozen, that means we have an active 1139 * device. 1140 */ 1141 if (changer->devq.qfrozen_cnt > 0) { 1142 1143 if (changer->cur_device->device_stats.busy_count > 0) { 1144 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1145 changer->cur_device->bufs_left = 1146 changer->cur_device->device_stats.busy_count; 1147 if (called_from_timeout) { 1148 changer->long_handle = 1149 timeout(cdrunchangerqueue, changer, 1150 changer_max_busy_seconds * hz); 1151 changer->flags |= CHANGER_TIMEOUT_SCHED; 1152 } 1153 splx(s); 1154 return; 1155 } 1156 1157 /* 1158 * We always need to reset the frozen count and clear the 1159 * active flag. 1160 */ 1161 changer->devq.qfrozen_cnt--; 1162 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1163 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1164 1165 /* 1166 * Check to see whether the current device has any I/O left 1167 * to do. If so, requeue it at the end of the queue. If 1168 * not, there is no need to requeue it. 1169 */ 1170 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1171 1172 changer->cur_device->pinfo.generation = 1173 ++changer->devq.generation; 1174 camq_insert(&changer->devq, 1175 (cam_pinfo *)changer->cur_device); 1176 } 1177 } 1178 1179 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1180 1181 changer->cur_device = softc; 1182 1183 changer->devq.qfrozen_cnt++; 1184 softc->flags |= CD_FLAG_ACTIVE; 1185 1186 /* Just in case this device is waiting */ 1187 wakeup(&softc->changer); 1188 xpt_schedule(softc->periph, /*priority*/ 1); 1189 1190 /* 1191 * Get rid of any pending timeouts, and set a flag to schedule new 1192 * ones so this device gets its full time quantum. 1193 */ 1194 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1195 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1196 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1197 } 1198 1199 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1200 untimeout(cdshorttimeout, changer, changer->short_handle); 1201 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1202 } 1203 1204 /* 1205 * We need to schedule timeouts, but we only do this after the 1206 * first transaction has completed. This eliminates the changer 1207 * switch time. 1208 */ 1209 changer->flags |= CHANGER_NEED_TIMEOUT; 1210 1211 splx(s); 1212} 1213 1214static void 1215cdchangerschedule(struct cd_softc *softc) 1216{ 1217 struct cdchanger *changer; 1218 int s; 1219 1220 s = splsoftcam(); 1221 1222 changer = softc->changer; 1223 1224 /* 1225 * If this is a changer, and this is the current device, 1226 * and this device has at least the minimum time quantum to 1227 * run, see if we can switch it out. 1228 */ 1229 if ((softc->flags & CD_FLAG_ACTIVE) 1230 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1231 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1232 /* 1233 * We try three things here. The first is that we 1234 * check to see whether the schedule on completion 1235 * flag is set. If it is, we decrement the number 1236 * of buffers left, and if it's zero, we reschedule. 1237 * Next, we check to see whether the pending buffer 1238 * queue is empty and whether there are no 1239 * outstanding transactions. If so, we reschedule. 1240 * Next, we see if the pending buffer queue is empty. 1241 * If it is, we set the number of buffers left to 1242 * the current active buffer count and set the 1243 * schedule on complete flag. 1244 */ 1245 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1246 if (--softc->bufs_left == 0) { 1247 softc->changer->flags |= 1248 CHANGER_MANUAL_CALL; 1249 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1250 cdrunchangerqueue(softc->changer); 1251 } 1252 } else if ((bioq_first(&softc->bio_queue) == NULL) 1253 && (softc->device_stats.busy_count == 0)) { 1254 softc->changer->flags |= CHANGER_MANUAL_CALL; 1255 cdrunchangerqueue(softc->changer); 1256 } 1257 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1258 && (softc->flags & CD_FLAG_ACTIVE)) { 1259 1260 /* 1261 * Now that the first transaction to this 1262 * particular device has completed, we can go ahead 1263 * and schedule our timeouts. 1264 */ 1265 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1266 changer->long_handle = 1267 timeout(cdrunchangerqueue, changer, 1268 changer_max_busy_seconds * hz); 1269 changer->flags |= CHANGER_TIMEOUT_SCHED; 1270 } else 1271 printf("cdchangerschedule: already have a long" 1272 " timeout!\n"); 1273 1274 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1275 changer->short_handle = 1276 timeout(cdshorttimeout, changer, 1277 changer_min_busy_seconds * hz); 1278 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1279 } else 1280 printf("cdchangerschedule: already have a short " 1281 "timeout!\n"); 1282 1283 /* 1284 * We just scheduled timeouts, no need to schedule 1285 * more. 1286 */ 1287 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1288 1289 } 1290 splx(s); 1291} 1292 1293static int 1294cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1295 u_int32_t cam_flags, 1296 u_int32_t sense_flags), 1297 u_int32_t cam_flags, u_int32_t sense_flags) 1298{ 1299 struct cd_softc *softc; 1300 struct cam_periph *periph; 1301 int error; 1302 1303 periph = xpt_path_periph(ccb->ccb_h.path); 1304 softc = (struct cd_softc *)periph->softc; 1305 1306 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1307 &softc->device_stats); 1308 1309 if (softc->flags & CD_FLAG_CHANGER) 1310 cdchangerschedule(softc); 1311 1312 return(error); 1313} 1314 1315static union ccb * 1316cdgetccb(struct cam_periph *periph, u_int32_t priority) 1317{ 1318 struct cd_softc *softc; 1319 int s; 1320 1321 softc = (struct cd_softc *)periph->softc; 1322 1323 if (softc->flags & CD_FLAG_CHANGER) { 1324 1325 s = splsoftcam(); 1326 1327 /* 1328 * This should work the first time this device is woken up, 1329 * but just in case it doesn't, we use a while loop. 1330 */ 1331 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1332 /* 1333 * If this changer isn't already queued, queue it up. 1334 */ 1335 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1336 softc->pinfo.priority = 1; 1337 softc->pinfo.generation = 1338 ++softc->changer->devq.generation; 1339 camq_insert(&softc->changer->devq, 1340 (cam_pinfo *)softc); 1341 } 1342 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1343 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1344 && ((softc->changer->flags 1345 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1346 softc->changer->flags |= CHANGER_MANUAL_CALL; 1347 cdrunchangerqueue(softc->changer); 1348 } else 1349 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1350 } 1351 splx(s); 1352 } 1353 return(cam_periph_getccb(periph, priority)); 1354} 1355 1356 1357/* 1358 * Actually translate the requested transfer into one the physical driver 1359 * can understand. The transfer is described by a buf and will include 1360 * only one physical transfer. 1361 */ 1362static void 1363cdstrategy(struct bio *bp) 1364{ 1365 struct cam_periph *periph; 1366 struct cd_softc *softc; 1367 u_int unit, part; 1368 int s; 1369 1370 unit = dkunit(bp->bio_dev); 1371 part = dkpart(bp->bio_dev); 1372 periph = cam_extend_get(cdperiphs, unit); 1373 if (periph == NULL) { 1374 bp->bio_error = ENXIO; 1375 goto bad; 1376 } 1377 1378 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1379 1380 softc = (struct cd_softc *)periph->softc; 1381 1382 /* 1383 * Mask interrupts so that the pack cannot be invalidated until 1384 * after we are in the queue. Otherwise, we might not properly 1385 * clean up one of the buffers. 1386 */ 1387 s = splbio(); 1388 1389 /* 1390 * If the device has been made invalid, error out 1391 */ 1392 if ((softc->flags & CD_FLAG_INVALID)) { 1393 splx(s); 1394 bp->bio_error = ENXIO; 1395 goto bad; 1396 } 1397 1398 /* 1399 * Place it in the queue of disk activities for this disk 1400 */ 1401 bioqdisksort(&softc->bio_queue, bp); 1402 1403 splx(s); 1404 1405 /* 1406 * Schedule ourselves for performing the work. We do things 1407 * differently for changers. 1408 */ 1409 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1410 xpt_schedule(periph, /* XXX priority */1); 1411 else 1412 cdschedule(periph, /* priority */ 1); 1413 1414 return; 1415bad: 1416 bp->bio_flags |= BIO_ERROR; 1417 /* 1418 * Correctly set the buf to indicate a completed xfer 1419 */ 1420 bp->bio_resid = bp->bio_bcount; 1421 biodone(bp); 1422 return; 1423} 1424 1425static void 1426cdstart(struct cam_periph *periph, union ccb *start_ccb) 1427{ 1428 struct cd_softc *softc; 1429 struct bio *bp; 1430 struct ccb_scsiio *csio; 1431 struct scsi_read_capacity_data *rcap; 1432 int s; 1433 1434 softc = (struct cd_softc *)periph->softc; 1435 1436 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1437 1438 switch (softc->state) { 1439 case CD_STATE_NORMAL: 1440 { 1441 int oldspl; 1442 1443 s = splbio(); 1444 bp = bioq_first(&softc->bio_queue); 1445 if (periph->immediate_priority <= periph->pinfo.priority) { 1446 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1447 1448 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1449 periph_links.sle); 1450 periph->immediate_priority = CAM_PRIORITY_NONE; 1451 splx(s); 1452 wakeup(&periph->ccb_list); 1453 } else if (bp == NULL) { 1454 splx(s); 1455 xpt_release_ccb(start_ccb); 1456 } else { 1457 bioq_remove(&softc->bio_queue, bp); 1458 1459 devstat_start_transaction(&softc->device_stats); 1460 1461 scsi_read_write(&start_ccb->csio, 1462 /*retries*/4, 1463 /* cbfcnp */ cddone, 1464 (bp->bio_flags & BIO_ORDERED) != 0 ? 1465 MSG_ORDERED_Q_TAG : 1466 MSG_SIMPLE_Q_TAG, 1467 /* read */bp->bio_cmd == BIO_READ, 1468 /* byte2 */ 0, 1469 /* minimum_cmd_size */ 10, 1470 /* lba */ bp->bio_pblkno, 1471 bp->bio_bcount / softc->params.blksize, 1472 /* data_ptr */ bp->bio_data, 1473 /* dxfer_len */ bp->bio_bcount, 1474 /* sense_len */ SSD_FULL_SIZE, 1475 /* timeout */ 30000); 1476 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1477 1478 1479 /* 1480 * Block out any asyncronous callbacks 1481 * while we touch the pending ccb list. 1482 */ 1483 oldspl = splcam(); 1484 LIST_INSERT_HEAD(&softc->pending_ccbs, 1485 &start_ccb->ccb_h, periph_links.le); 1486 splx(oldspl); 1487 1488 /* We expect a unit attention from this device */ 1489 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1490 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1491 softc->flags &= ~CD_FLAG_RETRY_UA; 1492 } 1493 1494 start_ccb->ccb_h.ccb_bp = bp; 1495 bp = bioq_first(&softc->bio_queue); 1496 splx(s); 1497 1498 xpt_action(start_ccb); 1499 } 1500 if (bp != NULL) { 1501 /* Have more work to do, so ensure we stay scheduled */ 1502 xpt_schedule(periph, /* XXX priority */1); 1503 } 1504 break; 1505 } 1506 case CD_STATE_PROBE: 1507 { 1508 1509 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1510 M_TEMP, 1511 M_NOWAIT); 1512 if (rcap == NULL) { 1513 xpt_print_path(periph->path); 1514 printf("cdstart: Couldn't malloc read_capacity data\n"); 1515 /* cd_free_periph??? */ 1516 break; 1517 } 1518 csio = &start_ccb->csio; 1519 scsi_read_capacity(csio, 1520 /*retries*/1, 1521 cddone, 1522 MSG_SIMPLE_Q_TAG, 1523 rcap, 1524 SSD_FULL_SIZE, 1525 /*timeout*/20000); 1526 start_ccb->ccb_h.ccb_bp = NULL; 1527 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1528 xpt_action(start_ccb); 1529 break; 1530 } 1531 } 1532} 1533 1534static void 1535cddone(struct cam_periph *periph, union ccb *done_ccb) 1536{ 1537 struct cd_softc *softc; 1538 struct ccb_scsiio *csio; 1539 1540 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1541 1542 softc = (struct cd_softc *)periph->softc; 1543 csio = &done_ccb->csio; 1544 1545 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1546 case CD_CCB_BUFFER_IO: 1547 { 1548 struct bio *bp; 1549 int error; 1550 int oldspl; 1551 1552 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1553 error = 0; 1554 1555 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1556 int sf; 1557 1558 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1559 sf = SF_RETRY_UA; 1560 else 1561 sf = 0; 1562 1563 /* Retry selection timeouts */ 1564 sf |= SF_RETRY_SELTO; 1565 1566 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1567 /* 1568 * A retry was scheuled, so 1569 * just return. 1570 */ 1571 return; 1572 } 1573 } 1574 1575 if (error != 0) { 1576 int s; 1577 struct bio *q_bp; 1578 1579 xpt_print_path(periph->path); 1580 printf("cddone: got error %#x back\n", error); 1581 s = splbio(); 1582 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1583 bioq_remove(&softc->bio_queue, q_bp); 1584 q_bp->bio_resid = q_bp->bio_bcount; 1585 q_bp->bio_error = EIO; 1586 q_bp->bio_flags |= BIO_ERROR; 1587 biodone(q_bp); 1588 } 1589 splx(s); 1590 bp->bio_resid = bp->bio_bcount; 1591 bp->bio_error = error; 1592 bp->bio_flags |= BIO_ERROR; 1593 cam_release_devq(done_ccb->ccb_h.path, 1594 /*relsim_flags*/0, 1595 /*reduction*/0, 1596 /*timeout*/0, 1597 /*getcount_only*/0); 1598 1599 } else { 1600 bp->bio_resid = csio->resid; 1601 bp->bio_error = 0; 1602 if (bp->bio_resid != 0) { 1603 /* Short transfer ??? */ 1604 bp->bio_flags |= BIO_ERROR; 1605 } 1606 } 1607 1608 /* 1609 * Block out any asyncronous callbacks 1610 * while we touch the pending ccb list. 1611 */ 1612 oldspl = splcam(); 1613 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1614 splx(oldspl); 1615 1616 if (softc->flags & CD_FLAG_CHANGER) 1617 cdchangerschedule(softc); 1618 1619 devstat_end_transaction_bio(&softc->device_stats, bp); 1620 biodone(bp); 1621 break; 1622 } 1623 case CD_CCB_PROBE: 1624 { 1625 struct scsi_read_capacity_data *rdcap; 1626 char announce_buf[120]; /* 1627 * Currently (9/30/97) the 1628 * longest possible announce 1629 * buffer is 108 bytes, for the 1630 * first error case below. 1631 * That is 39 bytes for the 1632 * basic string, 16 bytes for the 1633 * biggest sense key (hardware 1634 * error), 52 bytes for the 1635 * text of the largest sense 1636 * qualifier valid for a CDROM, 1637 * (0x72, 0x03 or 0x04, 1638 * 0x03), and one byte for the 1639 * null terminating character. 1640 * To allow for longer strings, 1641 * the announce buffer is 120 1642 * bytes. 1643 */ 1644 struct cd_params *cdp; 1645 1646 cdp = &softc->params; 1647 1648 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1649 1650 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1651 cdp->blksize = scsi_4btoul (rdcap->length); 1652 1653 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1654 1655 snprintf(announce_buf, sizeof(announce_buf), 1656 "cd present [%lu x %lu byte records]", 1657 cdp->disksize, (u_long)cdp->blksize); 1658 1659 } else { 1660 int error; 1661 /* 1662 * Retry any UNIT ATTENTION type errors. They 1663 * are expected at boot. 1664 */ 1665 error = cderror(done_ccb, 0, SF_RETRY_UA | 1666 SF_NO_PRINT | SF_RETRY_SELTO); 1667 if (error == ERESTART) { 1668 /* 1669 * A retry was scheuled, so 1670 * just return. 1671 */ 1672 return; 1673 } else if (error != 0) { 1674 1675 struct scsi_sense_data *sense; 1676 int asc, ascq; 1677 int sense_key, error_code; 1678 int have_sense; 1679 cam_status status; 1680 struct ccb_getdev cgd; 1681 1682 /* Don't wedge this device's queue */ 1683 cam_release_devq(done_ccb->ccb_h.path, 1684 /*relsim_flags*/0, 1685 /*reduction*/0, 1686 /*timeout*/0, 1687 /*getcount_only*/0); 1688 1689 status = done_ccb->ccb_h.status; 1690 1691 xpt_setup_ccb(&cgd.ccb_h, 1692 done_ccb->ccb_h.path, 1693 /* priority */ 1); 1694 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1695 xpt_action((union ccb *)&cgd); 1696 1697 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1698 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1699 || ((status & CAM_AUTOSNS_VALID) == 0)) 1700 have_sense = FALSE; 1701 else 1702 have_sense = TRUE; 1703 1704 if (have_sense) { 1705 sense = &csio->sense_data; 1706 scsi_extract_sense(sense, &error_code, 1707 &sense_key, 1708 &asc, &ascq); 1709 } 1710 /* 1711 * Attach to anything that claims to be a 1712 * CDROM or WORM device, as long as it 1713 * doesn't return a "Logical unit not 1714 * supported" (0x25) error. 1715 */ 1716 if ((have_sense) && (asc != 0x25) 1717 && (error_code == SSD_CURRENT_ERROR)) 1718 snprintf(announce_buf, 1719 sizeof(announce_buf), 1720 "Attempt to query device " 1721 "size failed: %s, %s", 1722 scsi_sense_key_text[sense_key], 1723 scsi_sense_desc(asc,ascq, 1724 &cgd.inq_data)); 1725 else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1726 /* 1727 * We only print out an error for 1728 * CDROM type devices. For WORM 1729 * devices, we don't print out an 1730 * error since a few WORM devices 1731 * don't support CDROM commands. 1732 * If we have sense information, go 1733 * ahead and print it out. 1734 * Otherwise, just say that we 1735 * couldn't attach. 1736 */ 1737 1738 /* 1739 * Just print out the error, not 1740 * the full probe message, when we 1741 * don't attach. 1742 */ 1743 if (have_sense) 1744 scsi_sense_print( 1745 &done_ccb->csio); 1746 else { 1747 xpt_print_path(periph->path); 1748 printf("got CAM status %#x\n", 1749 done_ccb->ccb_h.status); 1750 } 1751 xpt_print_path(periph->path); 1752 printf("fatal error, failed" 1753 " to attach to device\n"); 1754 1755 /* 1756 * Invalidate this peripheral. 1757 */ 1758 cam_periph_invalidate(periph); 1759 1760 announce_buf[0] = '\0'; 1761 } else { 1762 1763 /* 1764 * Invalidate this peripheral. 1765 */ 1766 cam_periph_invalidate(periph); 1767 announce_buf[0] = '\0'; 1768 } 1769 } 1770 } 1771 free(rdcap, M_TEMP); 1772 if (announce_buf[0] != '\0') { 1773 xpt_announce_periph(periph, announce_buf); 1774 if (softc->flags & CD_FLAG_CHANGER) 1775 cdchangerschedule(softc); 1776 } 1777 softc->state = CD_STATE_NORMAL; 1778 /* 1779 * Since our peripheral may be invalidated by an error 1780 * above or an external event, we must release our CCB 1781 * before releasing the probe lock on the peripheral. 1782 * The peripheral will only go away once the last lock 1783 * is removed, and we need it around for the CCB release 1784 * operation. 1785 */ 1786 xpt_release_ccb(done_ccb); 1787 cam_periph_unlock(periph); 1788 return; 1789 } 1790 case CD_CCB_WAITING: 1791 { 1792 /* Caller will release the CCB */ 1793 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1794 ("trying to wakeup ccbwait\n")); 1795 1796 wakeup(&done_ccb->ccb_h.cbfcnp); 1797 return; 1798 } 1799 default: 1800 break; 1801 } 1802 xpt_release_ccb(done_ccb); 1803} 1804 1805static int 1806cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1807{ 1808 1809 struct cam_periph *periph; 1810 struct cd_softc *softc; 1811 int error, unit; 1812 1813 unit = dkunit(dev); 1814 1815 periph = cam_extend_get(cdperiphs, unit); 1816 if (periph == NULL) 1817 return(ENXIO); 1818 1819 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1820 1821 softc = (struct cd_softc *)periph->softc; 1822 1823 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1824 ("trying to do ioctl %#lx\n", cmd)); 1825 1826 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1827 1828 if (error != 0) 1829 return(error); 1830 1831 switch (cmd) { 1832 1833 case CDIOCPLAYTRACKS: 1834 { 1835 struct ioc_play_track *args 1836 = (struct ioc_play_track *) addr; 1837 struct cd_mode_data *data; 1838 1839 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1840 M_WAITOK); 1841 1842 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1843 ("trying to do CDIOCPLAYTRACKS\n")); 1844 1845 error = cdgetmode(periph, data, AUDIO_PAGE); 1846 if (error) { 1847 free(data, M_TEMP); 1848 break; 1849 } 1850 data->page.audio.flags &= ~CD_PA_SOTC; 1851 data->page.audio.flags |= CD_PA_IMMED; 1852 error = cdsetmode(periph, data); 1853 free(data, M_TEMP); 1854 if (error) 1855 break; 1856 if (softc->quirks & CD_Q_BCD_TRACKS) { 1857 args->start_track = bin2bcd(args->start_track); 1858 args->end_track = bin2bcd(args->end_track); 1859 } 1860 error = cdplaytracks(periph, 1861 args->start_track, 1862 args->start_index, 1863 args->end_track, 1864 args->end_index); 1865 } 1866 break; 1867 case CDIOCPLAYMSF: 1868 { 1869 struct ioc_play_msf *args 1870 = (struct ioc_play_msf *) addr; 1871 struct cd_mode_data *data; 1872 1873 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1874 M_WAITOK); 1875 1876 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1877 ("trying to do CDIOCPLAYMSF\n")); 1878 1879 error = cdgetmode(periph, data, AUDIO_PAGE); 1880 if (error) { 1881 free(data, M_TEMP); 1882 break; 1883 } 1884 data->page.audio.flags &= ~CD_PA_SOTC; 1885 data->page.audio.flags |= CD_PA_IMMED; 1886 error = cdsetmode(periph, data); 1887 free(data, M_TEMP); 1888 if (error) 1889 break; 1890 error = cdplaymsf(periph, 1891 args->start_m, 1892 args->start_s, 1893 args->start_f, 1894 args->end_m, 1895 args->end_s, 1896 args->end_f); 1897 } 1898 break; 1899 case CDIOCPLAYBLOCKS: 1900 { 1901 struct ioc_play_blocks *args 1902 = (struct ioc_play_blocks *) addr; 1903 struct cd_mode_data *data; 1904 1905 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1906 ("trying to do CDIOCPLAYBLOCKS\n")); 1907 1908 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1909 M_WAITOK); 1910 1911 error = cdgetmode(periph, data, AUDIO_PAGE); 1912 if (error) { 1913 free(data, M_TEMP); 1914 break; 1915 } 1916 data->page.audio.flags &= ~CD_PA_SOTC; 1917 data->page.audio.flags |= CD_PA_IMMED; 1918 error = cdsetmode(periph, data); 1919 free(data, M_TEMP); 1920 if (error) 1921 break; 1922 error = cdplay(periph, args->blk, args->len); 1923 } 1924 break; 1925 case CDIOCREADSUBCHANNEL: 1926 { 1927 struct ioc_read_subchannel *args 1928 = (struct ioc_read_subchannel *) addr; 1929 struct cd_sub_channel_info *data; 1930 u_int32_t len = args->data_len; 1931 1932 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1933 ("trying to do CDIOCREADSUBCHANNEL\n")); 1934 1935 data = malloc(sizeof(struct cd_sub_channel_info), 1936 M_TEMP, M_WAITOK); 1937 1938 if ((len > sizeof(struct cd_sub_channel_info)) || 1939 (len < sizeof(struct cd_sub_channel_header))) { 1940 printf( 1941 "scsi_cd: cdioctl: " 1942 "cdioreadsubchannel: error, len=%d\n", 1943 len); 1944 error = EINVAL; 1945 free(data, M_TEMP); 1946 break; 1947 } 1948 1949 if (softc->quirks & CD_Q_BCD_TRACKS) 1950 args->track = bin2bcd(args->track); 1951 1952 error = cdreadsubchannel(periph, args->address_format, 1953 args->data_format, args->track, data, len); 1954 1955 if (error) { 1956 free(data, M_TEMP); 1957 break; 1958 } 1959 if (softc->quirks & CD_Q_BCD_TRACKS) 1960 data->what.track_info.track_number = 1961 bcd2bin(data->what.track_info.track_number); 1962 len = min(len, ((data->header.data_len[0] << 8) + 1963 data->header.data_len[1] + 1964 sizeof(struct cd_sub_channel_header))); 1965 if (copyout(data, args->data, len) != 0) { 1966 error = EFAULT; 1967 } 1968 free(data, M_TEMP); 1969 } 1970 break; 1971 1972 case CDIOREADTOCHEADER: 1973 { 1974 struct ioc_toc_header *th; 1975 1976 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1977 ("trying to do CDIOREADTOCHEADER\n")); 1978 1979 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1980 M_WAITOK); 1981 error = cdreadtoc(periph, 0, 0, 1982 (struct cd_toc_entry *)th, 1983 sizeof (*th)); 1984 if (error) { 1985 free(th, M_TEMP); 1986 break; 1987 } 1988 if (softc->quirks & CD_Q_BCD_TRACKS) { 1989 /* we are going to have to convert the BCD 1990 * encoding on the cd to what is expected 1991 */ 1992 th->starting_track = 1993 bcd2bin(th->starting_track); 1994 th->ending_track = bcd2bin(th->ending_track); 1995 } 1996 NTOHS(th->len); 1997 bcopy(th, addr, sizeof(*th)); 1998 free(th, M_TEMP); 1999 } 2000 break; 2001 case CDIOREADTOCENTRYS: 2002 { 2003 typedef struct { 2004 struct ioc_toc_header header; 2005 struct cd_toc_entry entries[100]; 2006 } data_t; 2007 typedef struct { 2008 struct ioc_toc_header header; 2009 struct cd_toc_entry entry; 2010 } lead_t; 2011 2012 data_t *data; 2013 lead_t *lead; 2014 struct ioc_read_toc_entry *te = 2015 (struct ioc_read_toc_entry *) addr; 2016 struct ioc_toc_header *th; 2017 u_int32_t len, readlen, idx, num; 2018 u_int32_t starting_track = te->starting_track; 2019 2020 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2021 ("trying to do CDIOREADTOCENTRYS\n")); 2022 2023 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2024 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2025 2026 if (te->data_len < sizeof(struct cd_toc_entry) 2027 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2028 || (te->address_format != CD_MSF_FORMAT 2029 && te->address_format != CD_LBA_FORMAT)) { 2030 error = EINVAL; 2031 printf("scsi_cd: error in readtocentries, " 2032 "returning EINVAL\n"); 2033 free(data, M_TEMP); 2034 free(lead, M_TEMP); 2035 break; 2036 } 2037 2038 th = &data->header; 2039 error = cdreadtoc(periph, 0, 0, 2040 (struct cd_toc_entry *)th, 2041 sizeof (*th)); 2042 if (error) { 2043 free(data, M_TEMP); 2044 free(lead, M_TEMP); 2045 break; 2046 } 2047 2048 if (softc->quirks & CD_Q_BCD_TRACKS) { 2049 /* we are going to have to convert the BCD 2050 * encoding on the cd to what is expected 2051 */ 2052 th->starting_track = 2053 bcd2bin(th->starting_track); 2054 th->ending_track = bcd2bin(th->ending_track); 2055 } 2056 2057 if (starting_track == 0) 2058 starting_track = th->starting_track; 2059 else if (starting_track == LEADOUT) 2060 starting_track = th->ending_track + 1; 2061 else if (starting_track < th->starting_track || 2062 starting_track > th->ending_track + 1) { 2063 printf("scsi_cd: error in readtocentries, " 2064 "returning EINVAL\n"); 2065 free(data, M_TEMP); 2066 free(lead, M_TEMP); 2067 error = EINVAL; 2068 break; 2069 } 2070 2071 /* calculate reading length without leadout entry */ 2072 readlen = (th->ending_track - starting_track + 1) * 2073 sizeof(struct cd_toc_entry); 2074 2075 /* and with leadout entry */ 2076 len = readlen + sizeof(struct cd_toc_entry); 2077 if (te->data_len < len) { 2078 len = te->data_len; 2079 if (readlen > len) 2080 readlen = len; 2081 } 2082 if (len > sizeof(data->entries)) { 2083 printf("scsi_cd: error in readtocentries, " 2084 "returning EINVAL\n"); 2085 error = EINVAL; 2086 free(data, M_TEMP); 2087 free(lead, M_TEMP); 2088 break; 2089 } 2090 num = len / sizeof(struct cd_toc_entry); 2091 2092 if (readlen > 0) { 2093 error = cdreadtoc(periph, te->address_format, 2094 starting_track, 2095 (struct cd_toc_entry *)data, 2096 readlen + sizeof (*th)); 2097 if (error) { 2098 free(data, M_TEMP); 2099 free(lead, M_TEMP); 2100 break; 2101 } 2102 } 2103 2104 /* make leadout entry if needed */ 2105 idx = starting_track + num - 1; 2106 if (softc->quirks & CD_Q_BCD_TRACKS) 2107 th->ending_track = bcd2bin(th->ending_track); 2108 if (idx == th->ending_track + 1) { 2109 error = cdreadtoc(periph, te->address_format, 2110 LEADOUT, 2111 (struct cd_toc_entry *)lead, 2112 sizeof(*lead)); 2113 if (error) { 2114 free(data, M_TEMP); 2115 free(lead, M_TEMP); 2116 break; 2117 } 2118 data->entries[idx - starting_track] = 2119 lead->entry; 2120 } 2121 if (softc->quirks & CD_Q_BCD_TRACKS) { 2122 for (idx = 0; idx < num - 1; idx++) { 2123 data->entries[idx].track = 2124 bcd2bin(data->entries[idx].track); 2125 } 2126 } 2127 2128 error = copyout(data->entries, te->data, len); 2129 free(data, M_TEMP); 2130 free(lead, M_TEMP); 2131 } 2132 break; 2133 case CDIOREADTOCENTRY: 2134 { 2135 /* yeah yeah, this is ugly */ 2136 typedef struct { 2137 struct ioc_toc_header header; 2138 struct cd_toc_entry entry; 2139 } data_t; 2140 2141 data_t *data; 2142 struct ioc_read_toc_single_entry *te = 2143 (struct ioc_read_toc_single_entry *) addr; 2144 struct ioc_toc_header *th; 2145 u_int32_t track; 2146 2147 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2148 ("trying to do CDIOREADTOCENTRY\n")); 2149 2150 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2151 2152 if (te->address_format != CD_MSF_FORMAT 2153 && te->address_format != CD_LBA_FORMAT) { 2154 printf("error in readtocentry, " 2155 " returning EINVAL\n"); 2156 free(data, M_TEMP); 2157 error = EINVAL; 2158 break; 2159 } 2160 2161 th = &data->header; 2162 error = cdreadtoc(periph, 0, 0, 2163 (struct cd_toc_entry *)th, 2164 sizeof (*th)); 2165 if (error) { 2166 free(data, M_TEMP); 2167 break; 2168 } 2169 2170 if (softc->quirks & CD_Q_BCD_TRACKS) { 2171 /* we are going to have to convert the BCD 2172 * encoding on the cd to what is expected 2173 */ 2174 th->starting_track = 2175 bcd2bin(th->starting_track); 2176 th->ending_track = bcd2bin(th->ending_track); 2177 } 2178 track = te->track; 2179 if (track == 0) 2180 track = th->starting_track; 2181 else if (track == LEADOUT) 2182 /* OK */; 2183 else if (track < th->starting_track || 2184 track > th->ending_track + 1) { 2185 printf("error in readtocentry, " 2186 " returning EINVAL\n"); 2187 free(data, M_TEMP); 2188 error = EINVAL; 2189 break; 2190 } 2191 2192 error = cdreadtoc(periph, te->address_format, track, 2193 (struct cd_toc_entry *)data, 2194 sizeof(data_t)); 2195 if (error) { 2196 free(data, M_TEMP); 2197 break; 2198 } 2199 2200 if (softc->quirks & CD_Q_BCD_TRACKS) 2201 data->entry.track = bcd2bin(data->entry.track); 2202 bcopy(&data->entry, &te->entry, 2203 sizeof(struct cd_toc_entry)); 2204 free(data, M_TEMP); 2205 } 2206 break; 2207 case CDIOCSETPATCH: 2208 { 2209 struct ioc_patch *arg = (struct ioc_patch *) addr; 2210 struct cd_mode_data *data; 2211 2212 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2213 ("trying to do CDIOCSETPATCH\n")); 2214 2215 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2216 M_WAITOK); 2217 error = cdgetmode(periph, data, AUDIO_PAGE); 2218 if (error) { 2219 free(data, M_TEMP); 2220 break; 2221 } 2222 data->page.audio.port[LEFT_PORT].channels = 2223 arg->patch[0]; 2224 data->page.audio.port[RIGHT_PORT].channels = 2225 arg->patch[1]; 2226 data->page.audio.port[2].channels = arg->patch[2]; 2227 data->page.audio.port[3].channels = arg->patch[3]; 2228 error = cdsetmode(periph, data); 2229 free(data, M_TEMP); 2230 } 2231 break; 2232 case CDIOCGETVOL: 2233 { 2234 struct ioc_vol *arg = (struct ioc_vol *) addr; 2235 struct cd_mode_data *data; 2236 2237 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2238 ("trying to do CDIOCGETVOL\n")); 2239 2240 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2241 M_WAITOK); 2242 error = cdgetmode(periph, data, AUDIO_PAGE); 2243 if (error) { 2244 free(data, M_TEMP); 2245 break; 2246 } 2247 arg->vol[LEFT_PORT] = 2248 data->page.audio.port[LEFT_PORT].volume; 2249 arg->vol[RIGHT_PORT] = 2250 data->page.audio.port[RIGHT_PORT].volume; 2251 arg->vol[2] = data->page.audio.port[2].volume; 2252 arg->vol[3] = data->page.audio.port[3].volume; 2253 free(data, M_TEMP); 2254 } 2255 break; 2256 case CDIOCSETVOL: 2257 { 2258 struct ioc_vol *arg = (struct ioc_vol *) addr; 2259 struct cd_mode_data *data; 2260 2261 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2262 ("trying to do CDIOCSETVOL\n")); 2263 2264 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2265 M_WAITOK); 2266 error = cdgetmode(periph, data, AUDIO_PAGE); 2267 if (error) { 2268 free(data, M_TEMP); 2269 break; 2270 } 2271 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2272 data->page.audio.port[LEFT_PORT].volume = 2273 arg->vol[LEFT_PORT]; 2274 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2275 data->page.audio.port[RIGHT_PORT].volume = 2276 arg->vol[RIGHT_PORT]; 2277 data->page.audio.port[2].volume = arg->vol[2]; 2278 data->page.audio.port[3].volume = arg->vol[3]; 2279 error = cdsetmode(periph, data); 2280 free(data, M_TEMP); 2281 } 2282 break; 2283 case CDIOCSETMONO: 2284 { 2285 struct cd_mode_data *data; 2286 2287 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2288 ("trying to do CDIOCSETMONO\n")); 2289 2290 data = malloc(sizeof(struct cd_mode_data), 2291 M_TEMP, M_WAITOK); 2292 error = cdgetmode(periph, data, AUDIO_PAGE); 2293 if (error) { 2294 free(data, M_TEMP); 2295 break; 2296 } 2297 data->page.audio.port[LEFT_PORT].channels = 2298 LEFT_CHANNEL | RIGHT_CHANNEL; 2299 data->page.audio.port[RIGHT_PORT].channels = 2300 LEFT_CHANNEL | RIGHT_CHANNEL; 2301 data->page.audio.port[2].channels = 0; 2302 data->page.audio.port[3].channels = 0; 2303 error = cdsetmode(periph, data); 2304 free(data, M_TEMP); 2305 } 2306 break; 2307 case CDIOCSETSTEREO: 2308 { 2309 struct cd_mode_data *data; 2310 2311 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2312 ("trying to do CDIOCSETSTEREO\n")); 2313 2314 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2315 M_WAITOK); 2316 error = cdgetmode(periph, data, AUDIO_PAGE); 2317 if (error) { 2318 free(data, M_TEMP); 2319 break; 2320 } 2321 data->page.audio.port[LEFT_PORT].channels = 2322 LEFT_CHANNEL; 2323 data->page.audio.port[RIGHT_PORT].channels = 2324 RIGHT_CHANNEL; 2325 data->page.audio.port[2].channels = 0; 2326 data->page.audio.port[3].channels = 0; 2327 error = cdsetmode(periph, data); 2328 free(data, M_TEMP); 2329 } 2330 break; 2331 case CDIOCSETMUTE: 2332 { 2333 struct cd_mode_data *data; 2334 2335 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2336 ("trying to do CDIOCSETMUTE\n")); 2337 2338 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2339 M_WAITOK); 2340 error = cdgetmode(periph, data, AUDIO_PAGE); 2341 if (error) { 2342 free(data, M_TEMP); 2343 break; 2344 } 2345 data->page.audio.port[LEFT_PORT].channels = 0; 2346 data->page.audio.port[RIGHT_PORT].channels = 0; 2347 data->page.audio.port[2].channels = 0; 2348 data->page.audio.port[3].channels = 0; 2349 error = cdsetmode(periph, data); 2350 free(data, M_TEMP); 2351 } 2352 break; 2353 case CDIOCSETLEFT: 2354 { 2355 struct cd_mode_data *data; 2356 2357 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2358 ("trying to do CDIOCSETLEFT\n")); 2359 2360 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2361 M_WAITOK); 2362 error = cdgetmode(periph, data, AUDIO_PAGE); 2363 if (error) { 2364 free(data, M_TEMP); 2365 break; 2366 } 2367 data->page.audio.port[LEFT_PORT].channels = 2368 LEFT_CHANNEL; 2369 data->page.audio.port[RIGHT_PORT].channels = 2370 LEFT_CHANNEL; 2371 data->page.audio.port[2].channels = 0; 2372 data->page.audio.port[3].channels = 0; 2373 error = cdsetmode(periph, data); 2374 free(data, M_TEMP); 2375 } 2376 break; 2377 case CDIOCSETRIGHT: 2378 { 2379 struct cd_mode_data *data; 2380 2381 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2382 ("trying to do CDIOCSETRIGHT\n")); 2383 2384 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2385 M_WAITOK); 2386 error = cdgetmode(periph, data, AUDIO_PAGE); 2387 if (error) { 2388 free(data, M_TEMP); 2389 break; 2390 } 2391 data->page.audio.port[LEFT_PORT].channels = 2392 RIGHT_CHANNEL; 2393 data->page.audio.port[RIGHT_PORT].channels = 2394 RIGHT_CHANNEL; 2395 data->page.audio.port[2].channels = 0; 2396 data->page.audio.port[3].channels = 0; 2397 error = cdsetmode(periph, data); 2398 free(data, M_TEMP); 2399 } 2400 break; 2401 case CDIOCRESUME: 2402 error = cdpause(periph, 1); 2403 break; 2404 case CDIOCPAUSE: 2405 error = cdpause(periph, 0); 2406 break; 2407 case CDIOCSTART: 2408 error = cdstartunit(periph); 2409 break; 2410 case CDIOCSTOP: 2411 error = cdstopunit(periph, 0); 2412 break; 2413 case CDIOCEJECT: 2414 error = cdstopunit(periph, 1); 2415 break; 2416 case CDIOCALLOW: 2417 cdprevent(periph, PR_ALLOW); 2418 break; 2419 case CDIOCPREVENT: 2420 cdprevent(periph, PR_PREVENT); 2421 break; 2422 case CDIOCSETDEBUG: 2423 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2424 error = ENOTTY; 2425 break; 2426 case CDIOCCLRDEBUG: 2427 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2428 error = ENOTTY; 2429 break; 2430 case CDIOCRESET: 2431 /* return (cd_reset(periph)); */ 2432 error = ENOTTY; 2433 break; 2434 case DVDIOCSENDKEY: 2435 case DVDIOCREPORTKEY: { 2436 struct dvd_authinfo *authinfo; 2437 2438 authinfo = (struct dvd_authinfo *)addr; 2439 2440 if (cmd == DVDIOCREPORTKEY) 2441 error = cdreportkey(periph, authinfo); 2442 else 2443 error = cdsendkey(periph, authinfo); 2444 break; 2445 } 2446 case DVDIOCREADSTRUCTURE: { 2447 struct dvd_struct *dvdstruct; 2448 2449 dvdstruct = (struct dvd_struct *)addr; 2450 2451 error = cdreaddvdstructure(periph, dvdstruct); 2452 2453 break; 2454 } 2455 default: 2456 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2457 break; 2458 } 2459 2460 cam_periph_unlock(periph); 2461 2462 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2463 2464 return (error); 2465} 2466 2467static void 2468cdprevent(struct cam_periph *periph, int action) 2469{ 2470 union ccb *ccb; 2471 struct cd_softc *softc; 2472 int error; 2473 2474 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2475 2476 softc = (struct cd_softc *)periph->softc; 2477 2478 if (((action == PR_ALLOW) 2479 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2480 || ((action == PR_PREVENT) 2481 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2482 return; 2483 } 2484 2485 ccb = cdgetccb(periph, /* priority */ 1); 2486 2487 scsi_prevent(&ccb->csio, 2488 /*retries*/ 1, 2489 cddone, 2490 MSG_SIMPLE_Q_TAG, 2491 action, 2492 SSD_FULL_SIZE, 2493 /* timeout */60000); 2494 2495 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2496 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2497 2498 xpt_release_ccb(ccb); 2499 2500 if (error == 0) { 2501 if (action == PR_ALLOW) 2502 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2503 else 2504 softc->flags |= CD_FLAG_DISC_LOCKED; 2505 } 2506} 2507 2508static int 2509cdsize(dev_t dev, u_int32_t *size) 2510{ 2511 struct cam_periph *periph; 2512 struct cd_softc *softc; 2513 union ccb *ccb; 2514 struct scsi_read_capacity_data *rcap_buf; 2515 int error; 2516 2517 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2518 2519 if (periph == NULL) 2520 return (ENXIO); 2521 2522 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2523 2524 softc = (struct cd_softc *)periph->softc; 2525 2526 ccb = cdgetccb(periph, /* priority */ 1); 2527 2528 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2529 M_TEMP, M_WAITOK); 2530 2531 scsi_read_capacity(&ccb->csio, 2532 /*retries*/ 1, 2533 cddone, 2534 MSG_SIMPLE_Q_TAG, 2535 rcap_buf, 2536 SSD_FULL_SIZE, 2537 /* timeout */20000); 2538 2539 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2540 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2541 2542 xpt_release_ccb(ccb); 2543 2544 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2545 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2546 /* 2547 * SCSI-3 mandates that the reported blocksize shall be 2048. 2548 * Older drives sometimes report funny values, trim it down to 2549 * 2048, or other parts of the kernel will get confused. 2550 * 2551 * XXX we leave drives alone that might report 512 bytes, as 2552 * well as drives reporting more weird sizes like perhaps 4K. 2553 */ 2554 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2555 softc->params.blksize = 2048; 2556 2557 free(rcap_buf, M_TEMP); 2558 *size = softc->params.disksize; 2559 2560 return (error); 2561 2562} 2563 2564/* 2565 * The idea here is to try to figure out whether the first track is data or 2566 * audio. If it is data, we can at least attempt to read a disklabel off 2567 * the first sector of the disk. If it is audio, there won't be a 2568 * disklabel. 2569 * 2570 * This routine returns 0 if the first track is data, and non-zero if there 2571 * is an error or the first track is audio. (If either non-zero case, we 2572 * should not attempt to read the disklabel.) 2573 */ 2574static int 2575cdfirsttrackisdata(struct cam_periph *periph) 2576{ 2577 struct cdtocdata { 2578 struct ioc_toc_header header; 2579 struct cd_toc_entry entries[100]; 2580 }; 2581 struct cd_softc *softc; 2582 struct ioc_toc_header *th; 2583 struct cdtocdata *data; 2584 int num_entries, i; 2585 int error, first_track_audio; 2586 2587 error = 0; 2588 first_track_audio = -1; 2589 2590 softc = (struct cd_softc *)periph->softc; 2591 2592 data = malloc(sizeof(struct cdtocdata), M_TEMP, M_WAITOK); 2593 2594 th = &data->header; 2595 error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)data, 2596 sizeof(*data)); 2597 2598 if (error) 2599 goto bailout; 2600 2601 if (softc->quirks & CD_Q_BCD_TRACKS) { 2602 /* we are going to have to convert the BCD 2603 * encoding on the cd to what is expected 2604 */ 2605 th->starting_track = 2606 bcd2bin(th->starting_track); 2607 th->ending_track = bcd2bin(th->ending_track); 2608 } 2609 th->len = scsi_2btoul((u_int8_t *)&th->len); 2610 2611 if ((th->len - 2) > 0) 2612 num_entries = (th->len - 2) / sizeof(struct cd_toc_entry); 2613 else 2614 num_entries = 0; 2615 2616 for (i = 0; i < num_entries; i++) { 2617 if (data->entries[i].track == th->starting_track) { 2618 if (data->entries[i].control & 0x4) 2619 first_track_audio = 0; 2620 else 2621 first_track_audio = 1; 2622 break; 2623 } 2624 } 2625 2626 if (first_track_audio == -1) 2627 error = ENOENT; 2628 else if (first_track_audio == 1) 2629 error = EINVAL; 2630 else 2631 error = 0; 2632bailout: 2633 free(data, M_TEMP); 2634 2635 return(error); 2636} 2637 2638static int 2639cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2640{ 2641 struct cd_softc *softc; 2642 struct cam_periph *periph; 2643 2644 periph = xpt_path_periph(ccb->ccb_h.path); 2645 softc = (struct cd_softc *)periph->softc; 2646 2647 /* 2648 * XXX 2649 * Until we have a better way of doing pack validation, 2650 * don't treat UAs as errors. 2651 */ 2652 sense_flags |= SF_RETRY_UA; 2653 return (cam_periph_error(ccb, cam_flags, sense_flags, 2654 &softc->saved_ccb)); 2655} 2656 2657/* 2658 * Read table of contents 2659 */ 2660static int 2661cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2662 struct cd_toc_entry *data, u_int32_t len) 2663{ 2664 struct scsi_read_toc *scsi_cmd; 2665 u_int32_t ntoc; 2666 struct ccb_scsiio *csio; 2667 union ccb *ccb; 2668 int error; 2669 2670 ntoc = len; 2671 error = 0; 2672 2673 ccb = cdgetccb(periph, /* priority */ 1); 2674 2675 csio = &ccb->csio; 2676 2677 cam_fill_csio(csio, 2678 /* retries */ 1, 2679 /* cbfcnp */ cddone, 2680 /* flags */ CAM_DIR_IN, 2681 /* tag_action */ MSG_SIMPLE_Q_TAG, 2682 /* data_ptr */ (u_int8_t *)data, 2683 /* dxfer_len */ len, 2684 /* sense_len */ SSD_FULL_SIZE, 2685 sizeof(struct scsi_read_toc), 2686 /* timeout */ 50000); 2687 2688 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2689 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2690 2691 if (mode == CD_MSF_FORMAT) 2692 scsi_cmd->byte2 |= CD_MSF; 2693 scsi_cmd->from_track = start; 2694 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2695 scsi_cmd->data_len[0] = (ntoc) >> 8; 2696 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2697 2698 scsi_cmd->op_code = READ_TOC; 2699 2700 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2701 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2702 2703 xpt_release_ccb(ccb); 2704 2705 return(error); 2706} 2707 2708static int 2709cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2710 u_int32_t format, int track, 2711 struct cd_sub_channel_info *data, u_int32_t len) 2712{ 2713 struct scsi_read_subchannel *scsi_cmd; 2714 struct ccb_scsiio *csio; 2715 union ccb *ccb; 2716 int error; 2717 2718 error = 0; 2719 2720 ccb = cdgetccb(periph, /* priority */ 1); 2721 2722 csio = &ccb->csio; 2723 2724 cam_fill_csio(csio, 2725 /* retries */ 1, 2726 /* cbfcnp */ cddone, 2727 /* flags */ CAM_DIR_IN, 2728 /* tag_action */ MSG_SIMPLE_Q_TAG, 2729 /* data_ptr */ (u_int8_t *)data, 2730 /* dxfer_len */ len, 2731 /* sense_len */ SSD_FULL_SIZE, 2732 sizeof(struct scsi_read_subchannel), 2733 /* timeout */ 50000); 2734 2735 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2736 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2737 2738 scsi_cmd->op_code = READ_SUBCHANNEL; 2739 if (mode == CD_MSF_FORMAT) 2740 scsi_cmd->byte1 |= CD_MSF; 2741 scsi_cmd->byte2 = SRS_SUBQ; 2742 scsi_cmd->subchan_format = format; 2743 scsi_cmd->track = track; 2744 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2745 scsi_cmd->control = 0; 2746 2747 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2748 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2749 2750 xpt_release_ccb(ccb); 2751 2752 return(error); 2753} 2754 2755 2756static int 2757cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2758{ 2759 struct scsi_mode_sense_6 *scsi_cmd; 2760 struct ccb_scsiio *csio; 2761 union ccb *ccb; 2762 int error; 2763 2764 ccb = cdgetccb(periph, /* priority */ 1); 2765 2766 csio = &ccb->csio; 2767 2768 bzero(data, sizeof(*data)); 2769 cam_fill_csio(csio, 2770 /* retries */ 1, 2771 /* cbfcnp */ cddone, 2772 /* flags */ CAM_DIR_IN, 2773 /* tag_action */ MSG_SIMPLE_Q_TAG, 2774 /* data_ptr */ (u_int8_t *)data, 2775 /* dxfer_len */ sizeof(*data), 2776 /* sense_len */ SSD_FULL_SIZE, 2777 sizeof(struct scsi_mode_sense_6), 2778 /* timeout */ 50000); 2779 2780 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2781 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2782 2783 scsi_cmd->page = page; 2784 scsi_cmd->length = sizeof(*data) & 0xff; 2785 scsi_cmd->opcode = MODE_SENSE; 2786 2787 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2788 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2789 2790 xpt_release_ccb(ccb); 2791 2792 return(error); 2793} 2794 2795static int 2796cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2797{ 2798 struct scsi_mode_select_6 *scsi_cmd; 2799 struct ccb_scsiio *csio; 2800 union ccb *ccb; 2801 int error; 2802 2803 ccb = cdgetccb(periph, /* priority */ 1); 2804 2805 csio = &ccb->csio; 2806 2807 error = 0; 2808 2809 cam_fill_csio(csio, 2810 /* retries */ 1, 2811 /* cbfcnp */ cddone, 2812 /* flags */ CAM_DIR_OUT, 2813 /* tag_action */ MSG_SIMPLE_Q_TAG, 2814 /* data_ptr */ (u_int8_t *)data, 2815 /* dxfer_len */ sizeof(*data), 2816 /* sense_len */ SSD_FULL_SIZE, 2817 sizeof(struct scsi_mode_select_6), 2818 /* timeout */ 50000); 2819 2820 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2821 2822 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2823 scsi_cmd->opcode = MODE_SELECT; 2824 scsi_cmd->byte2 |= SMS_PF; 2825 scsi_cmd->length = sizeof(*data) & 0xff; 2826 data->header.data_length = 0; 2827 /* 2828 * SONY drives do not allow a mode select with a medium_type 2829 * value that has just been returned by a mode sense; use a 2830 * medium_type of 0 (Default) instead. 2831 */ 2832 data->header.medium_type = 0; 2833 2834 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2835 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2836 2837 xpt_release_ccb(ccb); 2838 2839 return(error); 2840} 2841 2842 2843static int 2844cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2845{ 2846 struct ccb_scsiio *csio; 2847 union ccb *ccb; 2848 int error; 2849 u_int8_t cdb_len; 2850 2851 error = 0; 2852 ccb = cdgetccb(periph, /* priority */ 1); 2853 csio = &ccb->csio; 2854 /* 2855 * Use the smallest possible command to perform the operation. 2856 */ 2857 if ((len & 0xffff0000) == 0) { 2858 /* 2859 * We can fit in a 10 byte cdb. 2860 */ 2861 struct scsi_play_10 *scsi_cmd; 2862 2863 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2864 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2865 scsi_cmd->op_code = PLAY_10; 2866 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2867 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2868 cdb_len = sizeof(*scsi_cmd); 2869 } else { 2870 struct scsi_play_12 *scsi_cmd; 2871 2872 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2873 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2874 scsi_cmd->op_code = PLAY_12; 2875 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2876 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2877 cdb_len = sizeof(*scsi_cmd); 2878 } 2879 cam_fill_csio(csio, 2880 /*retries*/2, 2881 cddone, 2882 /*flags*/CAM_DIR_NONE, 2883 MSG_SIMPLE_Q_TAG, 2884 /*dataptr*/NULL, 2885 /*datalen*/0, 2886 /*sense_len*/SSD_FULL_SIZE, 2887 cdb_len, 2888 /*timeout*/50 * 1000); 2889 2890 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2891 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2892 2893 xpt_release_ccb(ccb); 2894 2895 return(error); 2896} 2897 2898static int 2899cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2900 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2901{ 2902 struct scsi_play_msf *scsi_cmd; 2903 struct ccb_scsiio *csio; 2904 union ccb *ccb; 2905 int error; 2906 2907 error = 0; 2908 2909 ccb = cdgetccb(periph, /* priority */ 1); 2910 2911 csio = &ccb->csio; 2912 2913 cam_fill_csio(csio, 2914 /* retries */ 1, 2915 /* cbfcnp */ cddone, 2916 /* flags */ CAM_DIR_NONE, 2917 /* tag_action */ MSG_SIMPLE_Q_TAG, 2918 /* data_ptr */ NULL, 2919 /* dxfer_len */ 0, 2920 /* sense_len */ SSD_FULL_SIZE, 2921 sizeof(struct scsi_play_msf), 2922 /* timeout */ 50000); 2923 2924 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2925 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2926 2927 scsi_cmd->op_code = PLAY_MSF; 2928 scsi_cmd->start_m = startm; 2929 scsi_cmd->start_s = starts; 2930 scsi_cmd->start_f = startf; 2931 scsi_cmd->end_m = endm; 2932 scsi_cmd->end_s = ends; 2933 scsi_cmd->end_f = endf; 2934 2935 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2936 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2937 2938 xpt_release_ccb(ccb); 2939 2940 return(error); 2941} 2942 2943 2944static int 2945cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2946 u_int32_t etrack, u_int32_t eindex) 2947{ 2948 struct scsi_play_track *scsi_cmd; 2949 struct ccb_scsiio *csio; 2950 union ccb *ccb; 2951 int error; 2952 2953 error = 0; 2954 2955 ccb = cdgetccb(periph, /* priority */ 1); 2956 2957 csio = &ccb->csio; 2958 2959 cam_fill_csio(csio, 2960 /* retries */ 1, 2961 /* cbfcnp */ cddone, 2962 /* flags */ CAM_DIR_NONE, 2963 /* tag_action */ MSG_SIMPLE_Q_TAG, 2964 /* data_ptr */ NULL, 2965 /* dxfer_len */ 0, 2966 /* sense_len */ SSD_FULL_SIZE, 2967 sizeof(struct scsi_play_track), 2968 /* timeout */ 50000); 2969 2970 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2971 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2972 2973 scsi_cmd->op_code = PLAY_TRACK; 2974 scsi_cmd->start_track = strack; 2975 scsi_cmd->start_index = sindex; 2976 scsi_cmd->end_track = etrack; 2977 scsi_cmd->end_index = eindex; 2978 2979 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2980 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2981 2982 xpt_release_ccb(ccb); 2983 2984 return(error); 2985} 2986 2987static int 2988cdpause(struct cam_periph *periph, u_int32_t go) 2989{ 2990 struct scsi_pause *scsi_cmd; 2991 struct ccb_scsiio *csio; 2992 union ccb *ccb; 2993 int error; 2994 2995 error = 0; 2996 2997 ccb = cdgetccb(periph, /* priority */ 1); 2998 2999 csio = &ccb->csio; 3000 3001 cam_fill_csio(csio, 3002 /* retries */ 1, 3003 /* cbfcnp */ cddone, 3004 /* flags */ CAM_DIR_NONE, 3005 /* tag_action */ MSG_SIMPLE_Q_TAG, 3006 /* data_ptr */ NULL, 3007 /* dxfer_len */ 0, 3008 /* sense_len */ SSD_FULL_SIZE, 3009 sizeof(struct scsi_pause), 3010 /* timeout */ 50000); 3011 3012 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3013 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3014 3015 scsi_cmd->op_code = PAUSE; 3016 scsi_cmd->resume = go; 3017 3018 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3019 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3020 3021 xpt_release_ccb(ccb); 3022 3023 return(error); 3024} 3025 3026static int 3027cdstartunit(struct cam_periph *periph) 3028{ 3029 union ccb *ccb; 3030 int error; 3031 3032 error = 0; 3033 3034 ccb = cdgetccb(periph, /* priority */ 1); 3035 3036 scsi_start_stop(&ccb->csio, 3037 /* retries */ 1, 3038 /* cbfcnp */ cddone, 3039 /* tag_action */ MSG_SIMPLE_Q_TAG, 3040 /* start */ TRUE, 3041 /* load_eject */ FALSE, 3042 /* immediate */ FALSE, 3043 /* sense_len */ SSD_FULL_SIZE, 3044 /* timeout */ 50000); 3045 3046 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3047 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3048 3049 xpt_release_ccb(ccb); 3050 3051 return(error); 3052} 3053 3054static int 3055cdstopunit(struct cam_periph *periph, u_int32_t eject) 3056{ 3057 union ccb *ccb; 3058 int error; 3059 3060 error = 0; 3061 3062 ccb = cdgetccb(periph, /* priority */ 1); 3063 3064 scsi_start_stop(&ccb->csio, 3065 /* retries */ 1, 3066 /* cbfcnp */ cddone, 3067 /* tag_action */ MSG_SIMPLE_Q_TAG, 3068 /* start */ FALSE, 3069 /* load_eject */ eject, 3070 /* immediate */ FALSE, 3071 /* sense_len */ SSD_FULL_SIZE, 3072 /* timeout */ 50000); 3073 3074 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3075 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3076 3077 xpt_release_ccb(ccb); 3078 3079 return(error); 3080} 3081 3082static int 3083cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3084{ 3085 union ccb *ccb; 3086 u_int8_t *databuf; 3087 u_int32_t lba; 3088 int error; 3089 int length; 3090 3091 error = 0; 3092 databuf = NULL; 3093 lba = 0; 3094 3095 ccb = cdgetccb(periph, /* priority */ 1); 3096 3097 switch (authinfo->format) { 3098 case DVD_REPORT_AGID: 3099 length = sizeof(struct scsi_report_key_data_agid); 3100 break; 3101 case DVD_REPORT_CHALLENGE: 3102 length = sizeof(struct scsi_report_key_data_challenge); 3103 break; 3104 case DVD_REPORT_KEY1: 3105 length = sizeof(struct scsi_report_key_data_key1_key2); 3106 break; 3107 case DVD_REPORT_TITLE_KEY: 3108 length = sizeof(struct scsi_report_key_data_title); 3109 /* The lba field is only set for the title key */ 3110 lba = authinfo->lba; 3111 break; 3112 case DVD_REPORT_ASF: 3113 length = sizeof(struct scsi_report_key_data_asf); 3114 break; 3115 case DVD_REPORT_RPC: 3116 length = sizeof(struct scsi_report_key_data_rpc); 3117 break; 3118 case DVD_INVALIDATE_AGID: 3119 length = 0; 3120 break; 3121 default: 3122 error = EINVAL; 3123 goto bailout; 3124 break; /* NOTREACHED */ 3125 } 3126 3127 if (length != 0) { 3128 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3129 } else 3130 databuf = NULL; 3131 3132 3133 scsi_report_key(&ccb->csio, 3134 /* retries */ 1, 3135 /* cbfcnp */ cddone, 3136 /* tag_action */ MSG_SIMPLE_Q_TAG, 3137 /* lba */ lba, 3138 /* agid */ authinfo->agid, 3139 /* key_format */ authinfo->format, 3140 /* data_ptr */ databuf, 3141 /* dxfer_len */ length, 3142 /* sense_len */ SSD_FULL_SIZE, 3143 /* timeout */ 50000); 3144 3145 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3146 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3147 3148 if (error != 0) 3149 goto bailout; 3150 3151 if (ccb->csio.resid != 0) { 3152 xpt_print_path(periph->path); 3153 printf("warning, residual for report key command is %d\n", 3154 ccb->csio.resid); 3155 } 3156 3157 switch(authinfo->format) { 3158 case DVD_REPORT_AGID: { 3159 struct scsi_report_key_data_agid *agid_data; 3160 3161 agid_data = (struct scsi_report_key_data_agid *)databuf; 3162 3163 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3164 RKD_AGID_SHIFT; 3165 break; 3166 } 3167 case DVD_REPORT_CHALLENGE: { 3168 struct scsi_report_key_data_challenge *chal_data; 3169 3170 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3171 3172 bcopy(chal_data->challenge_key, authinfo->keychal, 3173 min(sizeof(chal_data->challenge_key), 3174 sizeof(authinfo->keychal))); 3175 break; 3176 } 3177 case DVD_REPORT_KEY1: { 3178 struct scsi_report_key_data_key1_key2 *key1_data; 3179 3180 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3181 3182 bcopy(key1_data->key1, authinfo->keychal, 3183 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3184 break; 3185 } 3186 case DVD_REPORT_TITLE_KEY: { 3187 struct scsi_report_key_data_title *title_data; 3188 3189 title_data = (struct scsi_report_key_data_title *)databuf; 3190 3191 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3192 RKD_TITLE_CPM_SHIFT; 3193 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3194 RKD_TITLE_CP_SEC_SHIFT; 3195 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3196 RKD_TITLE_CMGS_SHIFT; 3197 bcopy(title_data->title_key, authinfo->keychal, 3198 min(sizeof(title_data->title_key), 3199 sizeof(authinfo->keychal))); 3200 break; 3201 } 3202 case DVD_REPORT_ASF: { 3203 struct scsi_report_key_data_asf *asf_data; 3204 3205 asf_data = (struct scsi_report_key_data_asf *)databuf; 3206 3207 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3208 break; 3209 } 3210 case DVD_REPORT_RPC: { 3211 struct scsi_report_key_data_rpc *rpc_data; 3212 3213 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3214 3215 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3216 RKD_RPC_TYPE_SHIFT; 3217 authinfo->vend_rsts = 3218 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3219 RKD_RPC_VENDOR_RESET_SHIFT; 3220 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3221 authinfo->region = rpc_data->region_mask; 3222 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3223 break; 3224 } 3225 case DVD_INVALIDATE_AGID: 3226 break; 3227 default: 3228 /* This should be impossible, since we checked above */ 3229 error = EINVAL; 3230 goto bailout; 3231 break; /* NOTREACHED */ 3232 } 3233bailout: 3234 if (databuf != NULL) 3235 free(databuf, M_DEVBUF); 3236 3237 xpt_release_ccb(ccb); 3238 3239 return(error); 3240} 3241 3242static int 3243cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3244{ 3245 union ccb *ccb; 3246 u_int8_t *databuf; 3247 int length; 3248 int error; 3249 3250 error = 0; 3251 databuf = NULL; 3252 3253 ccb = cdgetccb(periph, /* priority */ 1); 3254 3255 switch(authinfo->format) { 3256 case DVD_SEND_CHALLENGE: { 3257 struct scsi_report_key_data_challenge *challenge_data; 3258 3259 length = sizeof(*challenge_data); 3260 3261 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3262 3263 databuf = (u_int8_t *)challenge_data; 3264 3265 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3266 challenge_data->data_len); 3267 3268 bcopy(authinfo->keychal, challenge_data->challenge_key, 3269 min(sizeof(authinfo->keychal), 3270 sizeof(challenge_data->challenge_key))); 3271 break; 3272 } 3273 case DVD_SEND_KEY2: { 3274 struct scsi_report_key_data_key1_key2 *key2_data; 3275 3276 length = sizeof(*key2_data); 3277 3278 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3279 3280 databuf = (u_int8_t *)key2_data; 3281 3282 scsi_ulto2b(length - sizeof(key2_data->data_len), 3283 key2_data->data_len); 3284 3285 bcopy(authinfo->keychal, key2_data->key1, 3286 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3287 3288 break; 3289 } 3290 case DVD_SEND_RPC: { 3291 struct scsi_send_key_data_rpc *rpc_data; 3292 3293 length = sizeof(*rpc_data); 3294 3295 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3296 3297 databuf = (u_int8_t *)rpc_data; 3298 3299 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3300 rpc_data->data_len); 3301 3302 rpc_data->region_code = authinfo->region; 3303 break; 3304 } 3305 default: 3306 error = EINVAL; 3307 goto bailout; 3308 break; /* NOTREACHED */ 3309 } 3310 3311 scsi_send_key(&ccb->csio, 3312 /* retries */ 1, 3313 /* cbfcnp */ cddone, 3314 /* tag_action */ MSG_SIMPLE_Q_TAG, 3315 /* agid */ authinfo->agid, 3316 /* key_format */ authinfo->format, 3317 /* data_ptr */ databuf, 3318 /* dxfer_len */ length, 3319 /* sense_len */ SSD_FULL_SIZE, 3320 /* timeout */ 50000); 3321 3322 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3323 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3324 3325bailout: 3326 3327 if (databuf != NULL) 3328 free(databuf, M_DEVBUF); 3329 3330 xpt_release_ccb(ccb); 3331 3332 return(error); 3333} 3334 3335static int 3336cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3337{ 3338 union ccb *ccb; 3339 u_int8_t *databuf; 3340 u_int32_t address; 3341 int error; 3342 int length; 3343 3344 error = 0; 3345 databuf = NULL; 3346 /* The address is reserved for many of the formats */ 3347 address = 0; 3348 3349 ccb = cdgetccb(periph, /* priority */ 1); 3350 3351 switch(dvdstruct->format) { 3352 case DVD_STRUCT_PHYSICAL: 3353 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3354 break; 3355 case DVD_STRUCT_COPYRIGHT: 3356 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3357 break; 3358 case DVD_STRUCT_DISCKEY: 3359 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3360 break; 3361 case DVD_STRUCT_BCA: 3362 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3363 break; 3364 case DVD_STRUCT_MANUFACT: 3365 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3366 break; 3367 case DVD_STRUCT_CMI: 3368 error = ENODEV; 3369 goto bailout; 3370#ifdef notyet 3371 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3372 address = dvdstruct->address; 3373#endif 3374 break; /* NOTREACHED */ 3375 case DVD_STRUCT_PROTDISCID: 3376 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3377 break; 3378 case DVD_STRUCT_DISCKEYBLOCK: 3379 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3380 break; 3381 case DVD_STRUCT_DDS: 3382 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3383 break; 3384 case DVD_STRUCT_MEDIUM_STAT: 3385 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3386 break; 3387 case DVD_STRUCT_SPARE_AREA: 3388 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3389 break; 3390 case DVD_STRUCT_RMD_LAST: 3391 error = ENODEV; 3392 goto bailout; 3393#ifdef notyet 3394 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3395 address = dvdstruct->address; 3396#endif 3397 break; /* NOTREACHED */ 3398 case DVD_STRUCT_RMD_RMA: 3399 error = ENODEV; 3400 goto bailout; 3401#ifdef notyet 3402 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3403 address = dvdstruct->address; 3404#endif 3405 break; /* NOTREACHED */ 3406 case DVD_STRUCT_PRERECORDED: 3407 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3408 break; 3409 case DVD_STRUCT_UNIQUEID: 3410 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3411 break; 3412 case DVD_STRUCT_DCB: 3413 error = ENODEV; 3414 goto bailout; 3415#ifdef notyet 3416 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3417 address = dvdstruct->address; 3418#endif 3419 break; /* NOTREACHED */ 3420 case DVD_STRUCT_LIST: 3421 /* 3422 * This is the maximum allocation length for the READ DVD 3423 * STRUCTURE command. There's nothing in the MMC3 spec 3424 * that indicates a limit in the amount of data that can 3425 * be returned from this call, other than the limits 3426 * imposed by the 2-byte length variables. 3427 */ 3428 length = 65535; 3429 break; 3430 default: 3431 error = EINVAL; 3432 goto bailout; 3433 break; /* NOTREACHED */ 3434 } 3435 3436 if (length != 0) { 3437 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3438 } else 3439 databuf = NULL; 3440 3441 scsi_read_dvd_structure(&ccb->csio, 3442 /* retries */ 1, 3443 /* cbfcnp */ cddone, 3444 /* tag_action */ MSG_SIMPLE_Q_TAG, 3445 /* lba */ address, 3446 /* layer_number */ dvdstruct->layer_num, 3447 /* key_format */ dvdstruct->format, 3448 /* agid */ dvdstruct->agid, 3449 /* data_ptr */ databuf, 3450 /* dxfer_len */ length, 3451 /* sense_len */ SSD_FULL_SIZE, 3452 /* timeout */ 50000); 3453 3454 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3455 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3456 3457 if (error != 0) 3458 goto bailout; 3459 3460 switch(dvdstruct->format) { 3461 case DVD_STRUCT_PHYSICAL: { 3462 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3463 struct dvd_layer *outlayer; 3464 struct scsi_read_dvd_struct_data_physical *phys_data; 3465 3466 phys_data = 3467 (struct scsi_read_dvd_struct_data_physical *)databuf; 3468 inlayer = &phys_data->layer_desc; 3469 outlayer = (struct dvd_layer *)&dvdstruct->data; 3470 3471 dvdstruct->length = sizeof(*inlayer); 3472 3473 outlayer->book_type = (inlayer->book_type_version & 3474 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3475 outlayer->book_version = (inlayer->book_type_version & 3476 RDSD_BOOK_VERSION_MASK); 3477 outlayer->disc_size = (inlayer->disc_size_max_rate & 3478 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3479 outlayer->max_rate = (inlayer->disc_size_max_rate & 3480 RDSD_MAX_RATE_MASK); 3481 outlayer->nlayers = (inlayer->layer_info & 3482 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3483 outlayer->track_path = (inlayer->layer_info & 3484 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3485 outlayer->layer_type = (inlayer->layer_info & 3486 RDSD_LAYER_TYPE_MASK); 3487 outlayer->linear_density = (inlayer->density & 3488 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3489 outlayer->track_density = (inlayer->density & 3490 RDSD_TRACK_DENSITY_MASK); 3491 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3492 RDSD_BCA_SHIFT; 3493 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3494 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3495 outlayer->end_sector_l0 = 3496 scsi_3btoul(inlayer->end_sector_layer0); 3497 break; 3498 } 3499 case DVD_STRUCT_COPYRIGHT: { 3500 struct scsi_read_dvd_struct_data_copyright *copy_data; 3501 3502 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3503 databuf; 3504 3505 dvdstruct->cpst = copy_data->cps_type; 3506 dvdstruct->rmi = copy_data->region_info; 3507 dvdstruct->length = 0; 3508 3509 break; 3510 } 3511 default: 3512 /* 3513 * Tell the user what the overall length is, no matter 3514 * what we can actually fit in the data buffer. 3515 */ 3516 dvdstruct->length = length - ccb->csio.resid - 3517 sizeof(struct scsi_read_dvd_struct_data_header); 3518 3519 /* 3520 * But only actually copy out the smaller of what we read 3521 * in or what the structure can take. 3522 */ 3523 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3524 dvdstruct->data, 3525 min(sizeof(dvdstruct->data), dvdstruct->length)); 3526 break; 3527 } 3528bailout: 3529 3530 if (databuf != NULL) 3531 free(databuf, M_DEVBUF); 3532 3533 xpt_release_ccb(ccb); 3534 3535 return(error); 3536} 3537 3538void 3539scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3540 void (*cbfcnp)(struct cam_periph *, union ccb *), 3541 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3542 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3543 u_int8_t sense_len, u_int32_t timeout) 3544{ 3545 struct scsi_report_key *scsi_cmd; 3546 3547 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3548 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3549 scsi_cmd->opcode = REPORT_KEY; 3550 scsi_ulto4b(lba, scsi_cmd->lba); 3551 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3552 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3553 (key_format & RK_KF_KEYFORMAT_MASK); 3554 3555 cam_fill_csio(csio, 3556 retries, 3557 cbfcnp, 3558 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3559 tag_action, 3560 /*data_ptr*/ data_ptr, 3561 /*dxfer_len*/ dxfer_len, 3562 sense_len, 3563 sizeof(*scsi_cmd), 3564 timeout); 3565} 3566 3567void 3568scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3569 void (*cbfcnp)(struct cam_periph *, union ccb *), 3570 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3571 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3572 u_int32_t timeout) 3573{ 3574 struct scsi_send_key *scsi_cmd; 3575 3576 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3577 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3578 scsi_cmd->opcode = SEND_KEY; 3579 3580 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3581 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3582 (key_format & RK_KF_KEYFORMAT_MASK); 3583 3584 cam_fill_csio(csio, 3585 retries, 3586 cbfcnp, 3587 /*flags*/ CAM_DIR_OUT, 3588 tag_action, 3589 /*data_ptr*/ data_ptr, 3590 /*dxfer_len*/ dxfer_len, 3591 sense_len, 3592 sizeof(*scsi_cmd), 3593 timeout); 3594} 3595 3596 3597void 3598scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3599 void (*cbfcnp)(struct cam_periph *, union ccb *), 3600 u_int8_t tag_action, u_int32_t address, 3601 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3602 u_int8_t *data_ptr, u_int32_t dxfer_len, 3603 u_int8_t sense_len, u_int32_t timeout) 3604{ 3605 struct scsi_read_dvd_structure *scsi_cmd; 3606 3607 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3608 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3609 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3610 3611 scsi_ulto4b(address, scsi_cmd->address); 3612 scsi_cmd->layer_number = layer_number; 3613 scsi_cmd->format = format; 3614 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3615 /* The AGID is the top two bits of this byte */ 3616 scsi_cmd->agid = agid << 6; 3617 3618 cam_fill_csio(csio, 3619 retries, 3620 cbfcnp, 3621 /*flags*/ CAM_DIR_IN, 3622 tag_action, 3623 /*data_ptr*/ data_ptr, 3624 /*dxfer_len*/ dxfer_len, 3625 sense_len, 3626 sizeof(*scsi_cmd), 3627 timeout); 3628} 3629