scsi_cd.c revision 90868
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 90868 2002-02-18 20:35:27Z mike $ 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 180static d_open_t cdopen; 181static d_close_t cdclose; 182static d_ioctl_t cdioctl; 183static d_strategy_t cdstrategy; 184 185static periph_init_t cdinit; 186static periph_ctor_t cdregister; 187static periph_dtor_t cdcleanup; 188static periph_start_t cdstart; 189static periph_oninv_t cdoninvalidate; 190static void cdasync(void *callback_arg, u_int32_t code, 191 struct cam_path *path, void *arg); 192static void cdshorttimeout(void *arg); 193static void cdschedule(struct cam_periph *periph, int priority); 194static void cdrunchangerqueue(void *arg); 195static void cdchangerschedule(struct cd_softc *softc); 196static int cdrunccb(union ccb *ccb, 197 int (*error_routine)(union ccb *ccb, 198 u_int32_t cam_flags, 199 u_int32_t sense_flags), 200 u_int32_t cam_flags, u_int32_t sense_flags); 201static union ccb *cdgetccb(struct cam_periph *periph, 202 u_int32_t priority); 203static void cddone(struct cam_periph *periph, 204 union ccb *start_ccb); 205static int cderror(union ccb *ccb, u_int32_t cam_flags, 206 u_int32_t sense_flags); 207static void cdprevent(struct cam_periph *periph, int action); 208static int cdsize(dev_t dev, u_int32_t *size); 209static int cdfirsttrackisdata(struct cam_periph *periph); 210static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 211 u_int32_t start, struct cd_toc_entry *data, 212 u_int32_t len); 213static int cdgetmode(struct cam_periph *periph, 214 struct cd_mode_data *data, u_int32_t page); 215static int cdsetmode(struct cam_periph *periph, 216 struct cd_mode_data *data); 217static int cdplay(struct cam_periph *periph, u_int32_t blk, 218 u_int32_t len); 219static int cdreadsubchannel(struct cam_periph *periph, 220 u_int32_t mode, u_int32_t format, 221 int track, 222 struct cd_sub_channel_info *data, 223 u_int32_t len); 224static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 225 u_int32_t starts, u_int32_t startf, 226 u_int32_t endm, u_int32_t ends, 227 u_int32_t endf); 228static int cdplaytracks(struct cam_periph *periph, 229 u_int32_t strack, u_int32_t sindex, 230 u_int32_t etrack, u_int32_t eindex); 231static int cdpause(struct cam_periph *periph, u_int32_t go); 232static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 233static int cdstartunit(struct cam_periph *periph); 234static int cdreportkey(struct cam_periph *periph, 235 struct dvd_authinfo *authinfo); 236static int cdsendkey(struct cam_periph *periph, 237 struct dvd_authinfo *authinfo); 238static int cdreaddvdstructure(struct cam_periph *periph, 239 struct dvd_struct *dvdstruct); 240 241static struct periph_driver cddriver = 242{ 243 cdinit, "cd", 244 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 245}; 246 247PERIPHDRIVER_DECLARE(cd, cddriver); 248 249/* For 2.2-stable support */ 250#ifndef D_DISK 251#define D_DISK 0 252#endif 253static struct cdevsw cd_cdevsw = { 254 /* open */ cdopen, 255 /* close */ cdclose, 256 /* read */ physread, 257 /* write */ physwrite, 258 /* ioctl */ cdioctl, 259 /* poll */ nopoll, 260 /* mmap */ nommap, 261 /* strategy */ cdstrategy, 262 /* name */ "cd", 263 /* maj */ CD_CDEV_MAJOR, 264 /* dump */ nodump, 265 /* psize */ nopsize, 266 /* flags */ D_DISK, 267}; 268static struct cdevsw cddisk_cdevsw; 269 270static struct extend_array *cdperiphs; 271static int num_changers; 272 273#ifndef CHANGER_MIN_BUSY_SECONDS 274#define CHANGER_MIN_BUSY_SECONDS 5 275#endif 276#ifndef CHANGER_MAX_BUSY_SECONDS 277#define CHANGER_MAX_BUSY_SECONDS 15 278#endif 279 280static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 281static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 282 283SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 284SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 285SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 286 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 287SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 288 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 289 290struct cdchanger { 291 path_id_t path_id; 292 target_id_t target_id; 293 int num_devices; 294 struct camq devq; 295 struct timeval start_time; 296 struct cd_softc *cur_device; 297 struct callout_handle short_handle; 298 struct callout_handle long_handle; 299 volatile cd_changer_flags flags; 300 STAILQ_ENTRY(cdchanger) changer_links; 301 STAILQ_HEAD(chdevlist, cd_softc) chluns; 302}; 303 304static STAILQ_HEAD(changerlist, cdchanger) changerq; 305 306void 307cdinit(void) 308{ 309 cam_status status; 310 struct cam_path *path; 311 312 /* 313 * Create our extend array for storing the devices we attach to. 314 */ 315 cdperiphs = cam_extend_new(); 316 if (cdperiphs == NULL) { 317 printf("cd: Failed to alloc extend array!\n"); 318 return; 319 } 320 321 /* 322 * Install a global async callback. This callback will 323 * receive async callbacks like "new device found". 324 */ 325 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 326 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 327 328 if (status == CAM_REQ_CMP) { 329 struct ccb_setasync csa; 330 331 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 332 csa.ccb_h.func_code = XPT_SASYNC_CB; 333 csa.event_enable = AC_FOUND_DEVICE; 334 csa.callback = cdasync; 335 csa.callback_arg = NULL; 336 xpt_action((union ccb *)&csa); 337 status = csa.ccb_h.status; 338 xpt_free_path(path); 339 } 340 341 if (status != CAM_REQ_CMP) { 342 printf("cd: Failed to attach master async callback " 343 "due to status 0x%x!\n", status); 344 } 345} 346 347static void 348cdoninvalidate(struct cam_periph *periph) 349{ 350 int s; 351 struct cd_softc *softc; 352 struct bio *q_bp; 353 struct ccb_setasync csa; 354 355 softc = (struct cd_softc *)periph->softc; 356 357 /* 358 * De-register any async callbacks. 359 */ 360 xpt_setup_ccb(&csa.ccb_h, periph->path, 361 /* priority */ 5); 362 csa.ccb_h.func_code = XPT_SASYNC_CB; 363 csa.event_enable = 0; 364 csa.callback = cdasync; 365 csa.callback_arg = periph; 366 xpt_action((union ccb *)&csa); 367 368 softc->flags |= CD_FLAG_INVALID; 369 370 /* 371 * Although the oninvalidate() routines are always called at 372 * splsoftcam, we need to be at splbio() here to keep the buffer 373 * queue from being modified while we traverse it. 374 */ 375 s = splbio(); 376 377 /* 378 * Return all queued I/O with ENXIO. 379 * XXX Handle any transactions queued to the card 380 * with XPT_ABORT_CCB. 381 */ 382 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 383 bioq_remove(&softc->bio_queue, q_bp); 384 q_bp->bio_resid = q_bp->bio_bcount; 385 biofinish(q_bp, NULL, ENXIO); 386 } 387 splx(s); 388 389 /* 390 * If this device is part of a changer, and it was scheduled 391 * to run, remove it from the run queue since we just nuked 392 * all of its scheduled I/O. 393 */ 394 if ((softc->flags & CD_FLAG_CHANGER) 395 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 396 camq_remove(&softc->changer->devq, softc->pinfo.index); 397 398 xpt_print_path(periph->path); 399 printf("lost device\n"); 400} 401 402static void 403cdcleanup(struct cam_periph *periph) 404{ 405 struct cd_softc *softc; 406 int s; 407 408 softc = (struct cd_softc *)periph->softc; 409 410 xpt_print_path(periph->path); 411 printf("removing device entry\n"); 412 413 s = splsoftcam(); 414 /* 415 * In the queued, non-active case, the device in question 416 * has already been removed from the changer run queue. Since this 417 * device is active, we need to de-activate it, and schedule 418 * another device to run. (if there is another one to run) 419 */ 420 if ((softc->flags & CD_FLAG_CHANGER) 421 && (softc->flags & CD_FLAG_ACTIVE)) { 422 423 /* 424 * The purpose of the short timeout is soley to determine 425 * whether the current device has finished or not. Well, 426 * since we're removing the active device, we know that it 427 * is finished. So, get rid of the short timeout. 428 * Otherwise, if we're in the time period before the short 429 * timeout fires, and there are no other devices in the 430 * queue to run, there won't be any other device put in the 431 * active slot. i.e., when we call cdrunchangerqueue() 432 * below, it won't do anything. Then, when the short 433 * timeout fires, it'll look at the "current device", which 434 * we are free below, and possibly panic the kernel on a 435 * bogus pointer reference. 436 * 437 * The long timeout doesn't really matter, since we 438 * decrement the qfrozen_cnt to indicate that there is 439 * nothing in the active slot now. Therefore, there won't 440 * be any bogus pointer references there. 441 */ 442 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 443 untimeout(cdshorttimeout, softc->changer, 444 softc->changer->short_handle); 445 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 446 } 447 softc->changer->devq.qfrozen_cnt--; 448 softc->changer->flags |= CHANGER_MANUAL_CALL; 449 cdrunchangerqueue(softc->changer); 450 } 451 452 /* 453 * If we're removing the last device on the changer, go ahead and 454 * remove the changer device structure. 455 */ 456 if ((softc->flags & CD_FLAG_CHANGER) 457 && (--softc->changer->num_devices == 0)) { 458 459 /* 460 * Theoretically, there shouldn't be any timeouts left, but 461 * I'm not completely sure that that will be the case. So, 462 * it won't hurt to check and see if there are any left. 463 */ 464 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 465 untimeout(cdrunchangerqueue, softc->changer, 466 softc->changer->long_handle); 467 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 468 } 469 470 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 471 untimeout(cdshorttimeout, softc->changer, 472 softc->changer->short_handle); 473 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 474 } 475 476 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 477 changer_links); 478 xpt_print_path(periph->path); 479 printf("removing changer entry\n"); 480 free(softc->changer, M_DEVBUF); 481 num_changers--; 482 } 483 devstat_remove_entry(&softc->device_stats); 484 cam_extend_release(cdperiphs, periph->unit_number); 485 if (softc->disk.d_dev) { 486 disk_destroy(softc->disk.d_dev); 487 } 488 free(softc, M_DEVBUF); 489 splx(s); 490} 491 492static void 493cdasync(void *callback_arg, u_int32_t code, 494 struct cam_path *path, void *arg) 495{ 496 struct cam_periph *periph; 497 498 periph = (struct cam_periph *)callback_arg; 499 switch (code) { 500 case AC_FOUND_DEVICE: 501 { 502 struct ccb_getdev *cgd; 503 cam_status status; 504 505 cgd = (struct ccb_getdev *)arg; 506 if (cgd == NULL) 507 break; 508 509 if (SID_TYPE(&cgd->inq_data) != T_CDROM 510 && SID_TYPE(&cgd->inq_data) != T_WORM) 511 break; 512 513 /* 514 * Allocate a peripheral instance for 515 * this device and start the probe 516 * process. 517 */ 518 status = cam_periph_alloc(cdregister, cdoninvalidate, 519 cdcleanup, cdstart, 520 "cd", CAM_PERIPH_BIO, 521 cgd->ccb_h.path, cdasync, 522 AC_FOUND_DEVICE, cgd); 523 524 if (status != CAM_REQ_CMP 525 && status != CAM_REQ_INPROG) 526 printf("cdasync: Unable to attach new device " 527 "due to status 0x%x\n", status); 528 529 break; 530 } 531 case AC_SENT_BDR: 532 case AC_BUS_RESET: 533 { 534 struct cd_softc *softc; 535 struct ccb_hdr *ccbh; 536 int s; 537 538 softc = (struct cd_softc *)periph->softc; 539 s = splsoftcam(); 540 /* 541 * Don't fail on the expected unit attention 542 * that will occur. 543 */ 544 softc->flags |= CD_FLAG_RETRY_UA; 545 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 546 ccbh->ccb_state |= CD_CCB_RETRY_UA; 547 splx(s); 548 /* FALLTHROUGH */ 549 } 550 default: 551 cam_periph_async(periph, code, path, arg); 552 break; 553 } 554} 555 556static cam_status 557cdregister(struct cam_periph *periph, void *arg) 558{ 559 struct cd_softc *softc; 560 struct ccb_setasync csa; 561 struct ccb_getdev *cgd; 562 caddr_t match; 563 564 cgd = (struct ccb_getdev *)arg; 565 if (periph == NULL) { 566 printf("cdregister: periph was NULL!!\n"); 567 return(CAM_REQ_CMP_ERR); 568 } 569 if (cgd == NULL) { 570 printf("cdregister: no getdev CCB, can't register device\n"); 571 return(CAM_REQ_CMP_ERR); 572 } 573 574 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 575 576 if (softc == NULL) { 577 printf("cdregister: Unable to probe new device. " 578 "Unable to allocate softc\n"); 579 return(CAM_REQ_CMP_ERR); 580 } 581 582 bzero(softc, sizeof(*softc)); 583 LIST_INIT(&softc->pending_ccbs); 584 softc->state = CD_STATE_PROBE; 585 bioq_init(&softc->bio_queue); 586 if (SID_IS_REMOVABLE(&cgd->inq_data)) 587 softc->flags |= CD_FLAG_DISC_REMOVABLE; 588 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 589 softc->flags |= CD_FLAG_TAGGED_QUEUING; 590 591 periph->softc = softc; 592 softc->periph = periph; 593 594 cam_extend_set(cdperiphs, periph->unit_number, periph); 595 596 /* 597 * See if this device has any quirks. 598 */ 599 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 600 (caddr_t)cd_quirk_table, 601 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 602 sizeof(*cd_quirk_table), scsi_inquiry_match); 603 604 if (match != NULL) 605 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 606 else 607 softc->quirks = CD_Q_NONE; 608 609 /* 610 * We need to register the statistics structure for this device, 611 * but we don't have the blocksize yet for it. So, we register 612 * the structure and indicate that we don't have the blocksize 613 * yet. Unlike other SCSI peripheral drivers, we explicitly set 614 * the device type here to be CDROM, rather than just ORing in 615 * the device type. This is because this driver can attach to either 616 * CDROM or WORM devices, and we want this peripheral driver to 617 * show up in the devstat list as a CD peripheral driver, not a 618 * WORM peripheral driver. WORM drives will also have the WORM 619 * driver attached to them. 620 */ 621 devstat_add_entry(&softc->device_stats, "cd", 622 periph->unit_number, 0, 623 DEVSTAT_BS_UNAVAILABLE, 624 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 625 DEVSTAT_PRIORITY_CD); 626 disk_create(periph->unit_number, &softc->disk, 627 DSO_ONESLICE | DSO_COMPATLABEL, 628 &cd_cdevsw, &cddisk_cdevsw); 629 630 /* 631 * Add an async callback so that we get 632 * notified if this device goes away. 633 */ 634 xpt_setup_ccb(&csa.ccb_h, periph->path, 635 /* priority */ 5); 636 csa.ccb_h.func_code = XPT_SASYNC_CB; 637 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 638 csa.callback = cdasync; 639 csa.callback_arg = periph; 640 xpt_action((union ccb *)&csa); 641 642 /* 643 * If the target lun is greater than 0, we most likely have a CD 644 * changer device. Check the quirk entries as well, though, just 645 * in case someone has a CD tower with one lun per drive or 646 * something like that. Also, if we know up front that a 647 * particular device is a changer, we can mark it as such starting 648 * with lun 0, instead of lun 1. It shouldn't be necessary to have 649 * a quirk entry to define something as a changer, however. 650 */ 651 if (((cgd->ccb_h.target_lun > 0) 652 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 653 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 654 struct cdchanger *nchanger; 655 struct cam_periph *nperiph; 656 struct cam_path *path; 657 cam_status status; 658 int found; 659 660 /* Set the changer flag in the current device's softc */ 661 softc->flags |= CD_FLAG_CHANGER; 662 663 if (num_changers == 0) 664 STAILQ_INIT(&changerq); 665 666 /* 667 * Now, look around for an existing changer device with the 668 * same path and target ID as the current device. 669 */ 670 for (found = 0, 671 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 672 nchanger != NULL; 673 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 674 if ((nchanger->path_id == cgd->ccb_h.path_id) 675 && (nchanger->target_id == cgd->ccb_h.target_id)) { 676 found = 1; 677 break; 678 } 679 } 680 681 /* 682 * If we found a matching entry, just add this device to 683 * the list of devices on this changer. 684 */ 685 if (found == 1) { 686 struct chdevlist *chlunhead; 687 688 chlunhead = &nchanger->chluns; 689 690 /* 691 * XXX KDM look at consolidating this code with the 692 * code below in a separate function. 693 */ 694 695 /* 696 * Create a path with lun id 0, and see if we can 697 * find a matching device 698 */ 699 status = xpt_create_path(&path, /*periph*/ periph, 700 cgd->ccb_h.path_id, 701 cgd->ccb_h.target_id, 0); 702 703 if ((status == CAM_REQ_CMP) 704 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 705 struct cd_softc *nsoftc; 706 707 nsoftc = (struct cd_softc *)nperiph->softc; 708 709 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 710 nsoftc->flags |= CD_FLAG_CHANGER; 711 nchanger->num_devices++; 712 if (camq_resize(&nchanger->devq, 713 nchanger->num_devices)!=CAM_REQ_CMP){ 714 printf("cdregister: " 715 "camq_resize " 716 "failed, changer " 717 "support may " 718 "be messed up\n"); 719 } 720 nsoftc->changer = nchanger; 721 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 722 723 STAILQ_INSERT_TAIL(&nchanger->chluns, 724 nsoftc,changer_links); 725 } 726 xpt_free_path(path); 727 } else if (status == CAM_REQ_CMP) 728 xpt_free_path(path); 729 else { 730 printf("cdregister: unable to allocate path\n" 731 "cdregister: changer support may be " 732 "broken\n"); 733 } 734 735 nchanger->num_devices++; 736 737 softc->changer = nchanger; 738 softc->pinfo.index = CAM_UNQUEUED_INDEX; 739 740 if (camq_resize(&nchanger->devq, 741 nchanger->num_devices) != CAM_REQ_CMP) { 742 printf("cdregister: camq_resize " 743 "failed, changer support may " 744 "be messed up\n"); 745 } 746 747 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 748 } 749 /* 750 * In this case, we don't already have an entry for this 751 * particular changer, so we need to create one, add it to 752 * the queue, and queue this device on the list for this 753 * changer. Before we queue this device, however, we need 754 * to search for lun id 0 on this target, and add it to the 755 * queue first, if it exists. (and if it hasn't already 756 * been marked as part of the changer.) 757 */ 758 else { 759 nchanger = malloc(sizeof(struct cdchanger), 760 M_DEVBUF, M_NOWAIT); 761 762 if (nchanger == NULL) { 763 softc->flags &= ~CD_FLAG_CHANGER; 764 printf("cdregister: unable to malloc " 765 "changer structure\ncdregister: " 766 "changer support disabled\n"); 767 768 /* 769 * Yes, gotos can be gross but in this case 770 * I think it's justified.. 771 */ 772 goto cdregisterexit; 773 } 774 775 /* zero the structure */ 776 bzero(nchanger, sizeof(struct cdchanger)); 777 778 if (camq_init(&nchanger->devq, 1) != 0) { 779 softc->flags &= ~CD_FLAG_CHANGER; 780 printf("cdregister: changer support " 781 "disabled\n"); 782 goto cdregisterexit; 783 } 784 785 num_changers++; 786 787 nchanger->path_id = cgd->ccb_h.path_id; 788 nchanger->target_id = cgd->ccb_h.target_id; 789 790 /* this is superfluous, but it makes things clearer */ 791 nchanger->num_devices = 0; 792 793 STAILQ_INIT(&nchanger->chluns); 794 795 STAILQ_INSERT_TAIL(&changerq, nchanger, 796 changer_links); 797 798 /* 799 * Create a path with lun id 0, and see if we can 800 * find a matching device 801 */ 802 status = xpt_create_path(&path, /*periph*/ periph, 803 cgd->ccb_h.path_id, 804 cgd->ccb_h.target_id, 0); 805 806 /* 807 * If we were able to allocate the path, and if we 808 * find a matching device and it isn't already 809 * marked as part of a changer, then we add it to 810 * the current changer. 811 */ 812 if ((status == CAM_REQ_CMP) 813 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 814 && ((((struct cd_softc *)periph->softc)->flags & 815 CD_FLAG_CHANGER) == 0)) { 816 struct cd_softc *nsoftc; 817 818 nsoftc = (struct cd_softc *)nperiph->softc; 819 820 nsoftc->flags |= CD_FLAG_CHANGER; 821 nchanger->num_devices++; 822 if (camq_resize(&nchanger->devq, 823 nchanger->num_devices) != CAM_REQ_CMP) { 824 printf("cdregister: camq_resize " 825 "failed, changer support may " 826 "be messed up\n"); 827 } 828 nsoftc->changer = nchanger; 829 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 830 831 STAILQ_INSERT_TAIL(&nchanger->chluns, 832 nsoftc, changer_links); 833 xpt_free_path(path); 834 } else if (status == CAM_REQ_CMP) 835 xpt_free_path(path); 836 else { 837 printf("cdregister: unable to allocate path\n" 838 "cdregister: changer support may be " 839 "broken\n"); 840 } 841 842 softc->changer = nchanger; 843 softc->pinfo.index = CAM_UNQUEUED_INDEX; 844 nchanger->num_devices++; 845 if (camq_resize(&nchanger->devq, 846 nchanger->num_devices) != CAM_REQ_CMP) { 847 printf("cdregister: camq_resize " 848 "failed, changer support may " 849 "be messed up\n"); 850 } 851 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 852 changer_links); 853 } 854 } 855 856cdregisterexit: 857 858 /* Lock this peripheral until we are setup */ 859 /* Can't block */ 860 cam_periph_lock(periph, PRIBIO); 861 862 if ((softc->flags & CD_FLAG_CHANGER) == 0) 863 xpt_schedule(periph, /*priority*/5); 864 else 865 cdschedule(periph, /*priority*/ 5); 866 867 return(CAM_REQ_CMP); 868} 869 870static int 871cdopen(dev_t dev, int flags, int fmt, struct thread *td) 872{ 873 struct disklabel *label; 874 struct cam_periph *periph; 875 struct cd_softc *softc; 876 struct ccb_getdev cgd; 877 u_int32_t size; 878 int unit, error; 879 int s; 880 881 unit = dkunit(dev); 882 periph = cam_extend_get(cdperiphs, unit); 883 884 if (periph == NULL) 885 return (ENXIO); 886 887 softc = (struct cd_softc *)periph->softc; 888 889 /* 890 * Grab splsoftcam and hold it until we lock the peripheral. 891 */ 892 s = splsoftcam(); 893 if (softc->flags & CD_FLAG_INVALID) { 894 splx(s); 895 return(ENXIO); 896 } 897 898 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 899 splx(s); 900 return (error); 901 } 902 903 splx(s); 904 905 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 906 return(ENXIO); 907 908 cdprevent(periph, PR_PREVENT); 909 910 /* find out the size */ 911 if ((error = cdsize(dev, &size)) != 0) { 912 cdprevent(periph, PR_ALLOW); 913 cam_periph_unlock(periph); 914 cam_periph_release(periph); 915 return(error); 916 } 917 918 /* 919 * If we get a non-zero return, revert back to not reading the 920 * label off the disk. The first track is likely audio, which 921 * won't have a disklabel. 922 */ 923 if ((error = cdfirsttrackisdata(periph)) != 0) { 924 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 925 softc->disk.d_dsflags |= DSO_NOLABELS; 926 error = 0; 927 } 928 929 /* 930 * Build prototype label for whole disk. 931 * Should take information about different data tracks from the 932 * TOC and put it in the partition table. 933 */ 934 label = &softc->disk.d_label; 935 bzero(label, sizeof(*label)); 936 label->d_type = DTYPE_SCSI; 937 938 /* 939 * Grab the inquiry data to get the vendor and product names. 940 * Put them in the typename and packname for the label. 941 */ 942 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 943 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 944 xpt_action((union ccb *)&cgd); 945 946 strncpy(label->d_typename, cgd.inq_data.vendor, 947 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 948 strncpy(label->d_packname, cgd.inq_data.product, 949 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 950 951 label->d_secsize = softc->params.blksize; 952 label->d_secperunit = softc->params.disksize; 953 label->d_flags = D_REMOVABLE; 954 /* 955 * Make partition 'a' cover the whole disk. This is a temporary 956 * compatibility hack. The 'a' partition should not exist, so 957 * the slice code won't create it. The slice code will make 958 * partition (RAW_PART + 'a') cover the whole disk and fill in 959 * some more defaults. 960 */ 961 label->d_partitions[0].p_size = label->d_secperunit; 962 label->d_partitions[0].p_fstype = FS_OTHER; 963 964 /* 965 * We unconditionally (re)set the blocksize each time the 966 * CD device is opened. This is because the CD can change, 967 * and therefore the blocksize might change. 968 * XXX problems here if some slice or partition is still 969 * open with the old size? 970 */ 971 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 972 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 973 softc->device_stats.block_size = softc->params.blksize; 974 975 cam_periph_unlock(periph); 976 977 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 978 979 return (error); 980} 981 982static int 983cdclose(dev_t dev, int flag, int fmt, struct thread *td) 984{ 985 struct cam_periph *periph; 986 struct cd_softc *softc; 987 int unit, error; 988 989 unit = dkunit(dev); 990 periph = cam_extend_get(cdperiphs, unit); 991 if (periph == NULL) 992 return (ENXIO); 993 994 softc = (struct cd_softc *)periph->softc; 995 996 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 997 return (error); 998 999 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1000 cdprevent(periph, PR_ALLOW); 1001 1002 /* 1003 * Unconditionally set the dsopen() flags back to their default 1004 * state. 1005 */ 1006 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1007 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1008 1009 /* 1010 * Since we're closing this CD, mark the blocksize as unavailable. 1011 * It will be marked as available whence the CD is opened again. 1012 */ 1013 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1014 1015 cam_periph_unlock(periph); 1016 cam_periph_release(periph); 1017 1018 return (0); 1019} 1020 1021static void 1022cdshorttimeout(void *arg) 1023{ 1024 struct cdchanger *changer; 1025 int s; 1026 1027 s = splsoftcam(); 1028 1029 changer = (struct cdchanger *)arg; 1030 1031 /* Always clear the short timeout flag, since that's what we're in */ 1032 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1033 1034 /* 1035 * Check to see if there is any more pending or outstanding I/O for 1036 * this device. If not, move it out of the active slot. 1037 */ 1038 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1039 && (changer->cur_device->device_stats.busy_count == 0)) { 1040 changer->flags |= CHANGER_MANUAL_CALL; 1041 cdrunchangerqueue(changer); 1042 } 1043 1044 splx(s); 1045} 1046 1047/* 1048 * This is a wrapper for xpt_schedule. It only applies to changers. 1049 */ 1050static void 1051cdschedule(struct cam_periph *periph, int priority) 1052{ 1053 struct cd_softc *softc; 1054 int s; 1055 1056 s = splsoftcam(); 1057 1058 softc = (struct cd_softc *)periph->softc; 1059 1060 /* 1061 * If this device isn't currently queued, and if it isn't 1062 * the active device, then we queue this device and run the 1063 * changer queue if there is no timeout scheduled to do it. 1064 * If this device is the active device, just schedule it 1065 * to run again. If this device is queued, there should be 1066 * a timeout in place already that will make sure it runs. 1067 */ 1068 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1069 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1070 /* 1071 * We don't do anything with the priority here. 1072 * This is strictly a fifo queue. 1073 */ 1074 softc->pinfo.priority = 1; 1075 softc->pinfo.generation = ++softc->changer->devq.generation; 1076 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1077 1078 /* 1079 * Since we just put a device in the changer queue, 1080 * check and see if there is a timeout scheduled for 1081 * this changer. If so, let the timeout handle 1082 * switching this device into the active slot. If 1083 * not, manually call the timeout routine to 1084 * bootstrap things. 1085 */ 1086 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1087 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1088 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1089 softc->changer->flags |= CHANGER_MANUAL_CALL; 1090 cdrunchangerqueue(softc->changer); 1091 } 1092 } else if ((softc->flags & CD_FLAG_ACTIVE) 1093 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1094 xpt_schedule(periph, priority); 1095 1096 splx(s); 1097 1098} 1099 1100static void 1101cdrunchangerqueue(void *arg) 1102{ 1103 struct cd_softc *softc; 1104 struct cdchanger *changer; 1105 int called_from_timeout; 1106 int s; 1107 1108 s = splsoftcam(); 1109 1110 changer = (struct cdchanger *)arg; 1111 1112 /* 1113 * If we have NOT been called from cdstrategy() or cddone(), and 1114 * instead from a timeout routine, go ahead and clear the 1115 * timeout flag. 1116 */ 1117 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1118 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1119 called_from_timeout = 1; 1120 } else 1121 called_from_timeout = 0; 1122 1123 /* Always clear the manual call flag */ 1124 changer->flags &= ~CHANGER_MANUAL_CALL; 1125 1126 /* nothing to do if the queue is empty */ 1127 if (changer->devq.entries <= 0) { 1128 splx(s); 1129 return; 1130 } 1131 1132 /* 1133 * If the changer queue is frozen, that means we have an active 1134 * device. 1135 */ 1136 if (changer->devq.qfrozen_cnt > 0) { 1137 1138 if (changer->cur_device->device_stats.busy_count > 0) { 1139 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1140 changer->cur_device->bufs_left = 1141 changer->cur_device->device_stats.busy_count; 1142 if (called_from_timeout) { 1143 changer->long_handle = 1144 timeout(cdrunchangerqueue, changer, 1145 changer_max_busy_seconds * hz); 1146 changer->flags |= CHANGER_TIMEOUT_SCHED; 1147 } 1148 splx(s); 1149 return; 1150 } 1151 1152 /* 1153 * We always need to reset the frozen count and clear the 1154 * active flag. 1155 */ 1156 changer->devq.qfrozen_cnt--; 1157 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1158 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1159 1160 /* 1161 * Check to see whether the current device has any I/O left 1162 * to do. If so, requeue it at the end of the queue. If 1163 * not, there is no need to requeue it. 1164 */ 1165 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1166 1167 changer->cur_device->pinfo.generation = 1168 ++changer->devq.generation; 1169 camq_insert(&changer->devq, 1170 (cam_pinfo *)changer->cur_device); 1171 } 1172 } 1173 1174 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1175 1176 changer->cur_device = softc; 1177 1178 changer->devq.qfrozen_cnt++; 1179 softc->flags |= CD_FLAG_ACTIVE; 1180 1181 /* Just in case this device is waiting */ 1182 wakeup(&softc->changer); 1183 xpt_schedule(softc->periph, /*priority*/ 1); 1184 1185 /* 1186 * Get rid of any pending timeouts, and set a flag to schedule new 1187 * ones so this device gets its full time quantum. 1188 */ 1189 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1190 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1191 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1192 } 1193 1194 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1195 untimeout(cdshorttimeout, changer, changer->short_handle); 1196 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1197 } 1198 1199 /* 1200 * We need to schedule timeouts, but we only do this after the 1201 * first transaction has completed. This eliminates the changer 1202 * switch time. 1203 */ 1204 changer->flags |= CHANGER_NEED_TIMEOUT; 1205 1206 splx(s); 1207} 1208 1209static void 1210cdchangerschedule(struct cd_softc *softc) 1211{ 1212 struct cdchanger *changer; 1213 int s; 1214 1215 s = splsoftcam(); 1216 1217 changer = softc->changer; 1218 1219 /* 1220 * If this is a changer, and this is the current device, 1221 * and this device has at least the minimum time quantum to 1222 * run, see if we can switch it out. 1223 */ 1224 if ((softc->flags & CD_FLAG_ACTIVE) 1225 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1226 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1227 /* 1228 * We try three things here. The first is that we 1229 * check to see whether the schedule on completion 1230 * flag is set. If it is, we decrement the number 1231 * of buffers left, and if it's zero, we reschedule. 1232 * Next, we check to see whether the pending buffer 1233 * queue is empty and whether there are no 1234 * outstanding transactions. If so, we reschedule. 1235 * Next, we see if the pending buffer queue is empty. 1236 * If it is, we set the number of buffers left to 1237 * the current active buffer count and set the 1238 * schedule on complete flag. 1239 */ 1240 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1241 if (--softc->bufs_left == 0) { 1242 softc->changer->flags |= 1243 CHANGER_MANUAL_CALL; 1244 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1245 cdrunchangerqueue(softc->changer); 1246 } 1247 } else if ((bioq_first(&softc->bio_queue) == NULL) 1248 && (softc->device_stats.busy_count == 0)) { 1249 softc->changer->flags |= CHANGER_MANUAL_CALL; 1250 cdrunchangerqueue(softc->changer); 1251 } 1252 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1253 && (softc->flags & CD_FLAG_ACTIVE)) { 1254 1255 /* 1256 * Now that the first transaction to this 1257 * particular device has completed, we can go ahead 1258 * and schedule our timeouts. 1259 */ 1260 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1261 changer->long_handle = 1262 timeout(cdrunchangerqueue, changer, 1263 changer_max_busy_seconds * hz); 1264 changer->flags |= CHANGER_TIMEOUT_SCHED; 1265 } else 1266 printf("cdchangerschedule: already have a long" 1267 " timeout!\n"); 1268 1269 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1270 changer->short_handle = 1271 timeout(cdshorttimeout, changer, 1272 changer_min_busy_seconds * hz); 1273 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1274 } else 1275 printf("cdchangerschedule: already have a short " 1276 "timeout!\n"); 1277 1278 /* 1279 * We just scheduled timeouts, no need to schedule 1280 * more. 1281 */ 1282 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1283 1284 } 1285 splx(s); 1286} 1287 1288static int 1289cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1290 u_int32_t cam_flags, 1291 u_int32_t sense_flags), 1292 u_int32_t cam_flags, u_int32_t sense_flags) 1293{ 1294 struct cd_softc *softc; 1295 struct cam_periph *periph; 1296 int error; 1297 1298 periph = xpt_path_periph(ccb->ccb_h.path); 1299 softc = (struct cd_softc *)periph->softc; 1300 1301 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1302 &softc->device_stats); 1303 1304 if (softc->flags & CD_FLAG_CHANGER) 1305 cdchangerschedule(softc); 1306 1307 return(error); 1308} 1309 1310static union ccb * 1311cdgetccb(struct cam_periph *periph, u_int32_t priority) 1312{ 1313 struct cd_softc *softc; 1314 int s; 1315 1316 softc = (struct cd_softc *)periph->softc; 1317 1318 if (softc->flags & CD_FLAG_CHANGER) { 1319 1320 s = splsoftcam(); 1321 1322 /* 1323 * This should work the first time this device is woken up, 1324 * but just in case it doesn't, we use a while loop. 1325 */ 1326 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1327 /* 1328 * If this changer isn't already queued, queue it up. 1329 */ 1330 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1331 softc->pinfo.priority = 1; 1332 softc->pinfo.generation = 1333 ++softc->changer->devq.generation; 1334 camq_insert(&softc->changer->devq, 1335 (cam_pinfo *)softc); 1336 } 1337 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1338 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1339 && ((softc->changer->flags 1340 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1341 softc->changer->flags |= CHANGER_MANUAL_CALL; 1342 cdrunchangerqueue(softc->changer); 1343 } else 1344 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1345 } 1346 splx(s); 1347 } 1348 return(cam_periph_getccb(periph, priority)); 1349} 1350 1351 1352/* 1353 * Actually translate the requested transfer into one the physical driver 1354 * can understand. The transfer is described by a buf and will include 1355 * only one physical transfer. 1356 */ 1357static void 1358cdstrategy(struct bio *bp) 1359{ 1360 struct cam_periph *periph; 1361 struct cd_softc *softc; 1362 u_int unit, part; 1363 int s; 1364 1365 unit = dkunit(bp->bio_dev); 1366 part = dkpart(bp->bio_dev); 1367 periph = cam_extend_get(cdperiphs, unit); 1368 if (periph == NULL) { 1369 biofinish(bp, NULL, ENXIO); 1370 return; 1371 } 1372 1373 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1374 1375 softc = (struct cd_softc *)periph->softc; 1376 1377 /* 1378 * Mask interrupts so that the pack cannot be invalidated until 1379 * after we are in the queue. Otherwise, we might not properly 1380 * clean up one of the buffers. 1381 */ 1382 s = splbio(); 1383 1384 /* 1385 * If the device has been made invalid, error out 1386 */ 1387 if ((softc->flags & CD_FLAG_INVALID)) { 1388 splx(s); 1389 biofinish(bp, NULL, ENXIO); 1390 return; 1391 } 1392 1393 /* 1394 * Place it in the queue of disk activities for this disk 1395 */ 1396 bioqdisksort(&softc->bio_queue, bp); 1397 1398 splx(s); 1399 1400 /* 1401 * Schedule ourselves for performing the work. We do things 1402 * differently for changers. 1403 */ 1404 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1405 xpt_schedule(periph, /* XXX priority */1); 1406 else 1407 cdschedule(periph, /* priority */ 1); 1408 1409 return; 1410} 1411 1412static void 1413cdstart(struct cam_periph *periph, union ccb *start_ccb) 1414{ 1415 struct cd_softc *softc; 1416 struct bio *bp; 1417 struct ccb_scsiio *csio; 1418 struct scsi_read_capacity_data *rcap; 1419 int s; 1420 1421 softc = (struct cd_softc *)periph->softc; 1422 1423 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1424 1425 switch (softc->state) { 1426 case CD_STATE_NORMAL: 1427 { 1428 int oldspl; 1429 1430 s = splbio(); 1431 bp = bioq_first(&softc->bio_queue); 1432 if (periph->immediate_priority <= periph->pinfo.priority) { 1433 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1434 1435 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1436 periph_links.sle); 1437 periph->immediate_priority = CAM_PRIORITY_NONE; 1438 splx(s); 1439 wakeup(&periph->ccb_list); 1440 } else if (bp == NULL) { 1441 splx(s); 1442 xpt_release_ccb(start_ccb); 1443 } else { 1444 bioq_remove(&softc->bio_queue, bp); 1445 1446 devstat_start_transaction(&softc->device_stats); 1447 1448 scsi_read_write(&start_ccb->csio, 1449 /*retries*/4, 1450 /* cbfcnp */ cddone, 1451 (bp->bio_flags & BIO_ORDERED) != 0 ? 1452 MSG_ORDERED_Q_TAG : 1453 MSG_SIMPLE_Q_TAG, 1454 /* read */bp->bio_cmd == BIO_READ, 1455 /* byte2 */ 0, 1456 /* minimum_cmd_size */ 10, 1457 /* lba */ bp->bio_pblkno, 1458 bp->bio_bcount / softc->params.blksize, 1459 /* data_ptr */ bp->bio_data, 1460 /* dxfer_len */ bp->bio_bcount, 1461 /* sense_len */ SSD_FULL_SIZE, 1462 /* timeout */ 30000); 1463 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1464 1465 1466 /* 1467 * Block out any asyncronous callbacks 1468 * while we touch the pending ccb list. 1469 */ 1470 oldspl = splcam(); 1471 LIST_INSERT_HEAD(&softc->pending_ccbs, 1472 &start_ccb->ccb_h, periph_links.le); 1473 splx(oldspl); 1474 1475 /* We expect a unit attention from this device */ 1476 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1477 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1478 softc->flags &= ~CD_FLAG_RETRY_UA; 1479 } 1480 1481 start_ccb->ccb_h.ccb_bp = bp; 1482 bp = bioq_first(&softc->bio_queue); 1483 splx(s); 1484 1485 xpt_action(start_ccb); 1486 } 1487 if (bp != NULL) { 1488 /* Have more work to do, so ensure we stay scheduled */ 1489 xpt_schedule(periph, /* XXX priority */1); 1490 } 1491 break; 1492 } 1493 case CD_STATE_PROBE: 1494 { 1495 1496 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1497 M_TEMP, 1498 M_NOWAIT); 1499 if (rcap == NULL) { 1500 xpt_print_path(periph->path); 1501 printf("cdstart: Couldn't malloc read_capacity data\n"); 1502 /* cd_free_periph??? */ 1503 break; 1504 } 1505 csio = &start_ccb->csio; 1506 scsi_read_capacity(csio, 1507 /*retries*/1, 1508 cddone, 1509 MSG_SIMPLE_Q_TAG, 1510 rcap, 1511 SSD_FULL_SIZE, 1512 /*timeout*/20000); 1513 start_ccb->ccb_h.ccb_bp = NULL; 1514 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1515 xpt_action(start_ccb); 1516 break; 1517 } 1518 } 1519} 1520 1521static void 1522cddone(struct cam_periph *periph, union ccb *done_ccb) 1523{ 1524 struct cd_softc *softc; 1525 struct ccb_scsiio *csio; 1526 1527 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1528 1529 softc = (struct cd_softc *)periph->softc; 1530 csio = &done_ccb->csio; 1531 1532 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1533 case CD_CCB_BUFFER_IO: 1534 { 1535 struct bio *bp; 1536 int error; 1537 int oldspl; 1538 1539 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1540 error = 0; 1541 1542 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1543 int sf; 1544 1545 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1546 sf = SF_RETRY_UA; 1547 else 1548 sf = 0; 1549 1550 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1551 if (error == ERESTART) { 1552 /* 1553 * A retry was scheuled, so 1554 * just return. 1555 */ 1556 return; 1557 } 1558 } 1559 1560 if (error != 0) { 1561 int s; 1562 struct bio *q_bp; 1563 1564 xpt_print_path(periph->path); 1565 printf("cddone: got error %#x back\n", error); 1566 s = splbio(); 1567 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1568 bioq_remove(&softc->bio_queue, q_bp); 1569 q_bp->bio_resid = q_bp->bio_bcount; 1570 biofinish(q_bp, NULL, EIO); 1571 } 1572 splx(s); 1573 bp->bio_resid = bp->bio_bcount; 1574 bp->bio_error = error; 1575 bp->bio_flags |= BIO_ERROR; 1576 cam_release_devq(done_ccb->ccb_h.path, 1577 /*relsim_flags*/0, 1578 /*reduction*/0, 1579 /*timeout*/0, 1580 /*getcount_only*/0); 1581 1582 } else { 1583 bp->bio_resid = csio->resid; 1584 bp->bio_error = 0; 1585 if (bp->bio_resid != 0) { 1586 /* Short transfer ??? */ 1587 bp->bio_flags |= BIO_ERROR; 1588 } 1589 } 1590 1591 /* 1592 * Block out any asyncronous callbacks 1593 * while we touch the pending ccb list. 1594 */ 1595 oldspl = splcam(); 1596 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1597 splx(oldspl); 1598 1599 if (softc->flags & CD_FLAG_CHANGER) 1600 cdchangerschedule(softc); 1601 1602 biofinish(bp, &softc->device_stats, 0); 1603 break; 1604 } 1605 case CD_CCB_PROBE: 1606 { 1607 struct scsi_read_capacity_data *rdcap; 1608 char announce_buf[120]; /* 1609 * Currently (9/30/97) the 1610 * longest possible announce 1611 * buffer is 108 bytes, for the 1612 * first error case below. 1613 * That is 39 bytes for the 1614 * basic string, 16 bytes for the 1615 * biggest sense key (hardware 1616 * error), 52 bytes for the 1617 * text of the largest sense 1618 * qualifier valid for a CDROM, 1619 * (0x72, 0x03 or 0x04, 1620 * 0x03), and one byte for the 1621 * null terminating character. 1622 * To allow for longer strings, 1623 * the announce buffer is 120 1624 * bytes. 1625 */ 1626 struct cd_params *cdp; 1627 1628 cdp = &softc->params; 1629 1630 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1631 1632 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1633 cdp->blksize = scsi_4btoul (rdcap->length); 1634 1635 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1636 1637 snprintf(announce_buf, sizeof(announce_buf), 1638 "cd present [%lu x %lu byte records]", 1639 cdp->disksize, (u_long)cdp->blksize); 1640 1641 } else { 1642 int error; 1643 /* 1644 * Retry any UNIT ATTENTION type errors. They 1645 * are expected at boot. 1646 */ 1647 error = cderror(done_ccb, CAM_RETRY_SELTO, 1648 SF_RETRY_UA | SF_NO_PRINT); 1649 if (error == ERESTART) { 1650 /* 1651 * A retry was scheuled, so 1652 * just return. 1653 */ 1654 return; 1655 } else if (error != 0) { 1656 1657 struct scsi_sense_data *sense; 1658 int asc, ascq; 1659 int sense_key, error_code; 1660 int have_sense; 1661 cam_status status; 1662 struct ccb_getdev cgd; 1663 1664 /* Don't wedge this device's queue */ 1665 cam_release_devq(done_ccb->ccb_h.path, 1666 /*relsim_flags*/0, 1667 /*reduction*/0, 1668 /*timeout*/0, 1669 /*getcount_only*/0); 1670 1671 status = done_ccb->ccb_h.status; 1672 1673 xpt_setup_ccb(&cgd.ccb_h, 1674 done_ccb->ccb_h.path, 1675 /* priority */ 1); 1676 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1677 xpt_action((union ccb *)&cgd); 1678 1679 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1680 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1681 || ((status & CAM_AUTOSNS_VALID) == 0)) 1682 have_sense = FALSE; 1683 else 1684 have_sense = TRUE; 1685 1686 if (have_sense) { 1687 sense = &csio->sense_data; 1688 scsi_extract_sense(sense, &error_code, 1689 &sense_key, 1690 &asc, &ascq); 1691 } 1692 /* 1693 * Attach to anything that claims to be a 1694 * CDROM or WORM device, as long as it 1695 * doesn't return a "Logical unit not 1696 * supported" (0x25) error. 1697 */ 1698 if ((have_sense) && (asc != 0x25) 1699 && (error_code == SSD_CURRENT_ERROR)) { 1700 const char *sense_key_desc; 1701 const char *asc_desc; 1702 1703 scsi_sense_desc(sense_key, asc, ascq, 1704 &cgd.inq_data, 1705 &sense_key_desc, 1706 &asc_desc); 1707 snprintf(announce_buf, 1708 sizeof(announce_buf), 1709 "Attempt to query device " 1710 "size failed: %s, %s", 1711 sense_key_desc, 1712 asc_desc); 1713 } else if ((have_sense == 0) 1714 && ((status & CAM_STATUS_MASK) == 1715 CAM_SCSI_STATUS_ERROR) 1716 && (csio->scsi_status == 1717 SCSI_STATUS_BUSY)) { 1718 snprintf(announce_buf, 1719 sizeof(announce_buf), 1720 "Attempt to query device " 1721 "size failed: SCSI Status: %s", 1722 scsi_status_string(csio)); 1723 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1724 /* 1725 * We only print out an error for 1726 * CDROM type devices. For WORM 1727 * devices, we don't print out an 1728 * error since a few WORM devices 1729 * don't support CDROM commands. 1730 * If we have sense information, go 1731 * ahead and print it out. 1732 * Otherwise, just say that we 1733 * couldn't attach. 1734 */ 1735 1736 /* 1737 * Just print out the error, not 1738 * the full probe message, when we 1739 * don't attach. 1740 */ 1741 if (have_sense) 1742 scsi_sense_print( 1743 &done_ccb->csio); 1744 else { 1745 xpt_print_path(periph->path); 1746 printf("got CAM status %#x\n", 1747 done_ccb->ccb_h.status); 1748 } 1749 xpt_print_path(periph->path); 1750 printf("fatal error, failed" 1751 " to attach to device\n"); 1752 1753 /* 1754 * Invalidate this peripheral. 1755 */ 1756 cam_periph_invalidate(periph); 1757 1758 announce_buf[0] = '\0'; 1759 } else { 1760 1761 /* 1762 * Invalidate this peripheral. 1763 */ 1764 cam_periph_invalidate(periph); 1765 announce_buf[0] = '\0'; 1766 } 1767 } 1768 } 1769 free(rdcap, M_TEMP); 1770 if (announce_buf[0] != '\0') { 1771 xpt_announce_periph(periph, announce_buf); 1772 if (softc->flags & CD_FLAG_CHANGER) 1773 cdchangerschedule(softc); 1774 } 1775 softc->state = CD_STATE_NORMAL; 1776 /* 1777 * Since our peripheral may be invalidated by an error 1778 * above or an external event, we must release our CCB 1779 * before releasing the probe lock on the peripheral. 1780 * The peripheral will only go away once the last lock 1781 * is removed, and we need it around for the CCB release 1782 * operation. 1783 */ 1784 xpt_release_ccb(done_ccb); 1785 cam_periph_unlock(periph); 1786 return; 1787 } 1788 case CD_CCB_WAITING: 1789 { 1790 /* Caller will release the CCB */ 1791 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1792 ("trying to wakeup ccbwait\n")); 1793 1794 wakeup(&done_ccb->ccb_h.cbfcnp); 1795 return; 1796 } 1797 default: 1798 break; 1799 } 1800 xpt_release_ccb(done_ccb); 1801} 1802 1803static int 1804cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1805{ 1806 1807 struct cam_periph *periph; 1808 struct cd_softc *softc; 1809 int error, unit; 1810 1811 unit = dkunit(dev); 1812 1813 periph = cam_extend_get(cdperiphs, unit); 1814 if (periph == NULL) 1815 return(ENXIO); 1816 1817 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1818 1819 softc = (struct cd_softc *)periph->softc; 1820 1821 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1822 ("trying to do ioctl %#lx\n", cmd)); 1823 1824 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1825 1826 if (error != 0) 1827 return(error); 1828 1829 switch (cmd) { 1830 1831 case CDIOCPLAYTRACKS: 1832 { 1833 struct ioc_play_track *args 1834 = (struct ioc_play_track *) addr; 1835 struct cd_mode_data *data; 1836 1837 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1838 M_WAITOK); 1839 1840 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1841 ("trying to do CDIOCPLAYTRACKS\n")); 1842 1843 error = cdgetmode(periph, data, AUDIO_PAGE); 1844 if (error) { 1845 free(data, M_TEMP); 1846 break; 1847 } 1848 data->page.audio.flags &= ~CD_PA_SOTC; 1849 data->page.audio.flags |= CD_PA_IMMED; 1850 error = cdsetmode(periph, data); 1851 free(data, M_TEMP); 1852 if (error) 1853 break; 1854 if (softc->quirks & CD_Q_BCD_TRACKS) { 1855 args->start_track = bin2bcd(args->start_track); 1856 args->end_track = bin2bcd(args->end_track); 1857 } 1858 error = cdplaytracks(periph, 1859 args->start_track, 1860 args->start_index, 1861 args->end_track, 1862 args->end_index); 1863 } 1864 break; 1865 case CDIOCPLAYMSF: 1866 { 1867 struct ioc_play_msf *args 1868 = (struct ioc_play_msf *) addr; 1869 struct cd_mode_data *data; 1870 1871 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1872 M_WAITOK); 1873 1874 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1875 ("trying to do CDIOCPLAYMSF\n")); 1876 1877 error = cdgetmode(periph, data, AUDIO_PAGE); 1878 if (error) { 1879 free(data, M_TEMP); 1880 break; 1881 } 1882 data->page.audio.flags &= ~CD_PA_SOTC; 1883 data->page.audio.flags |= CD_PA_IMMED; 1884 error = cdsetmode(periph, data); 1885 free(data, M_TEMP); 1886 if (error) 1887 break; 1888 error = cdplaymsf(periph, 1889 args->start_m, 1890 args->start_s, 1891 args->start_f, 1892 args->end_m, 1893 args->end_s, 1894 args->end_f); 1895 } 1896 break; 1897 case CDIOCPLAYBLOCKS: 1898 { 1899 struct ioc_play_blocks *args 1900 = (struct ioc_play_blocks *) addr; 1901 struct cd_mode_data *data; 1902 1903 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1904 ("trying to do CDIOCPLAYBLOCKS\n")); 1905 1906 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1907 M_WAITOK); 1908 1909 error = cdgetmode(periph, data, AUDIO_PAGE); 1910 if (error) { 1911 free(data, M_TEMP); 1912 break; 1913 } 1914 data->page.audio.flags &= ~CD_PA_SOTC; 1915 data->page.audio.flags |= CD_PA_IMMED; 1916 error = cdsetmode(periph, data); 1917 free(data, M_TEMP); 1918 if (error) 1919 break; 1920 error = cdplay(periph, args->blk, args->len); 1921 } 1922 break; 1923 case CDIOCREADSUBCHANNEL: 1924 { 1925 struct ioc_read_subchannel *args 1926 = (struct ioc_read_subchannel *) addr; 1927 struct cd_sub_channel_info *data; 1928 u_int32_t len = args->data_len; 1929 1930 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1931 ("trying to do CDIOCREADSUBCHANNEL\n")); 1932 1933 data = malloc(sizeof(struct cd_sub_channel_info), 1934 M_TEMP, M_WAITOK); 1935 1936 if ((len > sizeof(struct cd_sub_channel_info)) || 1937 (len < sizeof(struct cd_sub_channel_header))) { 1938 printf( 1939 "scsi_cd: cdioctl: " 1940 "cdioreadsubchannel: error, len=%d\n", 1941 len); 1942 error = EINVAL; 1943 free(data, M_TEMP); 1944 break; 1945 } 1946 1947 if (softc->quirks & CD_Q_BCD_TRACKS) 1948 args->track = bin2bcd(args->track); 1949 1950 error = cdreadsubchannel(periph, args->address_format, 1951 args->data_format, args->track, data, len); 1952 1953 if (error) { 1954 free(data, M_TEMP); 1955 break; 1956 } 1957 if (softc->quirks & CD_Q_BCD_TRACKS) 1958 data->what.track_info.track_number = 1959 bcd2bin(data->what.track_info.track_number); 1960 len = min(len, ((data->header.data_len[0] << 8) + 1961 data->header.data_len[1] + 1962 sizeof(struct cd_sub_channel_header))); 1963 if (copyout(data, args->data, len) != 0) { 1964 error = EFAULT; 1965 } 1966 free(data, M_TEMP); 1967 } 1968 break; 1969 1970 case CDIOREADTOCHEADER: 1971 { 1972 struct ioc_toc_header *th; 1973 1974 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1975 ("trying to do CDIOREADTOCHEADER\n")); 1976 1977 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1978 M_WAITOK); 1979 error = cdreadtoc(periph, 0, 0, 1980 (struct cd_toc_entry *)th, 1981 sizeof (*th)); 1982 if (error) { 1983 free(th, M_TEMP); 1984 break; 1985 } 1986 if (softc->quirks & CD_Q_BCD_TRACKS) { 1987 /* we are going to have to convert the BCD 1988 * encoding on the cd to what is expected 1989 */ 1990 th->starting_track = 1991 bcd2bin(th->starting_track); 1992 th->ending_track = bcd2bin(th->ending_track); 1993 } 1994 th->len = ntohs(th->len); 1995 bcopy(th, addr, sizeof(*th)); 1996 free(th, M_TEMP); 1997 } 1998 break; 1999 case CDIOREADTOCENTRYS: 2000 { 2001 typedef struct { 2002 struct ioc_toc_header header; 2003 struct cd_toc_entry entries[100]; 2004 } data_t; 2005 typedef struct { 2006 struct ioc_toc_header header; 2007 struct cd_toc_entry entry; 2008 } lead_t; 2009 2010 data_t *data; 2011 lead_t *lead; 2012 struct ioc_read_toc_entry *te = 2013 (struct ioc_read_toc_entry *) addr; 2014 struct ioc_toc_header *th; 2015 u_int32_t len, readlen, idx, num; 2016 u_int32_t starting_track = te->starting_track; 2017 2018 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2019 ("trying to do CDIOREADTOCENTRYS\n")); 2020 2021 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2022 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2023 2024 if (te->data_len < sizeof(struct cd_toc_entry) 2025 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2026 || (te->address_format != CD_MSF_FORMAT 2027 && te->address_format != CD_LBA_FORMAT)) { 2028 error = EINVAL; 2029 printf("scsi_cd: error in readtocentries, " 2030 "returning EINVAL\n"); 2031 free(data, M_TEMP); 2032 free(lead, M_TEMP); 2033 break; 2034 } 2035 2036 th = &data->header; 2037 error = cdreadtoc(periph, 0, 0, 2038 (struct cd_toc_entry *)th, 2039 sizeof (*th)); 2040 if (error) { 2041 free(data, M_TEMP); 2042 free(lead, M_TEMP); 2043 break; 2044 } 2045 2046 if (softc->quirks & CD_Q_BCD_TRACKS) { 2047 /* we are going to have to convert the BCD 2048 * encoding on the cd to what is expected 2049 */ 2050 th->starting_track = 2051 bcd2bin(th->starting_track); 2052 th->ending_track = bcd2bin(th->ending_track); 2053 } 2054 2055 if (starting_track == 0) 2056 starting_track = th->starting_track; 2057 else if (starting_track == LEADOUT) 2058 starting_track = th->ending_track + 1; 2059 else if (starting_track < th->starting_track || 2060 starting_track > th->ending_track + 1) { 2061 printf("scsi_cd: error in readtocentries, " 2062 "returning EINVAL\n"); 2063 free(data, M_TEMP); 2064 free(lead, M_TEMP); 2065 error = EINVAL; 2066 break; 2067 } 2068 2069 /* calculate reading length without leadout entry */ 2070 readlen = (th->ending_track - starting_track + 1) * 2071 sizeof(struct cd_toc_entry); 2072 2073 /* and with leadout entry */ 2074 len = readlen + sizeof(struct cd_toc_entry); 2075 if (te->data_len < len) { 2076 len = te->data_len; 2077 if (readlen > len) 2078 readlen = len; 2079 } 2080 if (len > sizeof(data->entries)) { 2081 printf("scsi_cd: error in readtocentries, " 2082 "returning EINVAL\n"); 2083 error = EINVAL; 2084 free(data, M_TEMP); 2085 free(lead, M_TEMP); 2086 break; 2087 } 2088 num = len / sizeof(struct cd_toc_entry); 2089 2090 if (readlen > 0) { 2091 error = cdreadtoc(periph, te->address_format, 2092 starting_track, 2093 (struct cd_toc_entry *)data, 2094 readlen + sizeof (*th)); 2095 if (error) { 2096 free(data, M_TEMP); 2097 free(lead, M_TEMP); 2098 break; 2099 } 2100 } 2101 2102 /* make leadout entry if needed */ 2103 idx = starting_track + num - 1; 2104 if (softc->quirks & CD_Q_BCD_TRACKS) 2105 th->ending_track = bcd2bin(th->ending_track); 2106 if (idx == th->ending_track + 1) { 2107 error = cdreadtoc(periph, te->address_format, 2108 LEADOUT, 2109 (struct cd_toc_entry *)lead, 2110 sizeof(*lead)); 2111 if (error) { 2112 free(data, M_TEMP); 2113 free(lead, M_TEMP); 2114 break; 2115 } 2116 data->entries[idx - starting_track] = 2117 lead->entry; 2118 } 2119 if (softc->quirks & CD_Q_BCD_TRACKS) { 2120 for (idx = 0; idx < num - 1; idx++) { 2121 data->entries[idx].track = 2122 bcd2bin(data->entries[idx].track); 2123 } 2124 } 2125 2126 error = copyout(data->entries, te->data, len); 2127 free(data, M_TEMP); 2128 free(lead, M_TEMP); 2129 } 2130 break; 2131 case CDIOREADTOCENTRY: 2132 { 2133 /* yeah yeah, this is ugly */ 2134 typedef struct { 2135 struct ioc_toc_header header; 2136 struct cd_toc_entry entry; 2137 } data_t; 2138 2139 data_t *data; 2140 struct ioc_read_toc_single_entry *te = 2141 (struct ioc_read_toc_single_entry *) addr; 2142 struct ioc_toc_header *th; 2143 u_int32_t track; 2144 2145 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2146 ("trying to do CDIOREADTOCENTRY\n")); 2147 2148 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2149 2150 if (te->address_format != CD_MSF_FORMAT 2151 && te->address_format != CD_LBA_FORMAT) { 2152 printf("error in readtocentry, " 2153 " returning EINVAL\n"); 2154 free(data, M_TEMP); 2155 error = EINVAL; 2156 break; 2157 } 2158 2159 th = &data->header; 2160 error = cdreadtoc(periph, 0, 0, 2161 (struct cd_toc_entry *)th, 2162 sizeof (*th)); 2163 if (error) { 2164 free(data, M_TEMP); 2165 break; 2166 } 2167 2168 if (softc->quirks & CD_Q_BCD_TRACKS) { 2169 /* we are going to have to convert the BCD 2170 * encoding on the cd to what is expected 2171 */ 2172 th->starting_track = 2173 bcd2bin(th->starting_track); 2174 th->ending_track = bcd2bin(th->ending_track); 2175 } 2176 track = te->track; 2177 if (track == 0) 2178 track = th->starting_track; 2179 else if (track == LEADOUT) 2180 /* OK */; 2181 else if (track < th->starting_track || 2182 track > th->ending_track + 1) { 2183 printf("error in readtocentry, " 2184 " returning EINVAL\n"); 2185 free(data, M_TEMP); 2186 error = EINVAL; 2187 break; 2188 } 2189 2190 error = cdreadtoc(periph, te->address_format, track, 2191 (struct cd_toc_entry *)data, 2192 sizeof(data_t)); 2193 if (error) { 2194 free(data, M_TEMP); 2195 break; 2196 } 2197 2198 if (softc->quirks & CD_Q_BCD_TRACKS) 2199 data->entry.track = bcd2bin(data->entry.track); 2200 bcopy(&data->entry, &te->entry, 2201 sizeof(struct cd_toc_entry)); 2202 free(data, M_TEMP); 2203 } 2204 break; 2205 case CDIOCSETPATCH: 2206 { 2207 struct ioc_patch *arg = (struct ioc_patch *) addr; 2208 struct cd_mode_data *data; 2209 2210 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2211 ("trying to do CDIOCSETPATCH\n")); 2212 2213 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2214 M_WAITOK); 2215 error = cdgetmode(periph, data, AUDIO_PAGE); 2216 if (error) { 2217 free(data, M_TEMP); 2218 break; 2219 } 2220 data->page.audio.port[LEFT_PORT].channels = 2221 arg->patch[0]; 2222 data->page.audio.port[RIGHT_PORT].channels = 2223 arg->patch[1]; 2224 data->page.audio.port[2].channels = arg->patch[2]; 2225 data->page.audio.port[3].channels = arg->patch[3]; 2226 error = cdsetmode(periph, data); 2227 free(data, M_TEMP); 2228 } 2229 break; 2230 case CDIOCGETVOL: 2231 { 2232 struct ioc_vol *arg = (struct ioc_vol *) addr; 2233 struct cd_mode_data *data; 2234 2235 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2236 ("trying to do CDIOCGETVOL\n")); 2237 2238 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2239 M_WAITOK); 2240 error = cdgetmode(periph, data, AUDIO_PAGE); 2241 if (error) { 2242 free(data, M_TEMP); 2243 break; 2244 } 2245 arg->vol[LEFT_PORT] = 2246 data->page.audio.port[LEFT_PORT].volume; 2247 arg->vol[RIGHT_PORT] = 2248 data->page.audio.port[RIGHT_PORT].volume; 2249 arg->vol[2] = data->page.audio.port[2].volume; 2250 arg->vol[3] = data->page.audio.port[3].volume; 2251 free(data, M_TEMP); 2252 } 2253 break; 2254 case CDIOCSETVOL: 2255 { 2256 struct ioc_vol *arg = (struct ioc_vol *) addr; 2257 struct cd_mode_data *data; 2258 2259 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2260 ("trying to do CDIOCSETVOL\n")); 2261 2262 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2263 M_WAITOK); 2264 error = cdgetmode(periph, data, AUDIO_PAGE); 2265 if (error) { 2266 free(data, M_TEMP); 2267 break; 2268 } 2269 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2270 data->page.audio.port[LEFT_PORT].volume = 2271 arg->vol[LEFT_PORT]; 2272 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2273 data->page.audio.port[RIGHT_PORT].volume = 2274 arg->vol[RIGHT_PORT]; 2275 data->page.audio.port[2].volume = arg->vol[2]; 2276 data->page.audio.port[3].volume = arg->vol[3]; 2277 error = cdsetmode(periph, data); 2278 free(data, M_TEMP); 2279 } 2280 break; 2281 case CDIOCSETMONO: 2282 { 2283 struct cd_mode_data *data; 2284 2285 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2286 ("trying to do CDIOCSETMONO\n")); 2287 2288 data = malloc(sizeof(struct cd_mode_data), 2289 M_TEMP, M_WAITOK); 2290 error = cdgetmode(periph, data, AUDIO_PAGE); 2291 if (error) { 2292 free(data, M_TEMP); 2293 break; 2294 } 2295 data->page.audio.port[LEFT_PORT].channels = 2296 LEFT_CHANNEL | RIGHT_CHANNEL; 2297 data->page.audio.port[RIGHT_PORT].channels = 2298 LEFT_CHANNEL | RIGHT_CHANNEL; 2299 data->page.audio.port[2].channels = 0; 2300 data->page.audio.port[3].channels = 0; 2301 error = cdsetmode(periph, data); 2302 free(data, M_TEMP); 2303 } 2304 break; 2305 case CDIOCSETSTEREO: 2306 { 2307 struct cd_mode_data *data; 2308 2309 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2310 ("trying to do CDIOCSETSTEREO\n")); 2311 2312 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2313 M_WAITOK); 2314 error = cdgetmode(periph, data, AUDIO_PAGE); 2315 if (error) { 2316 free(data, M_TEMP); 2317 break; 2318 } 2319 data->page.audio.port[LEFT_PORT].channels = 2320 LEFT_CHANNEL; 2321 data->page.audio.port[RIGHT_PORT].channels = 2322 RIGHT_CHANNEL; 2323 data->page.audio.port[2].channels = 0; 2324 data->page.audio.port[3].channels = 0; 2325 error = cdsetmode(periph, data); 2326 free(data, M_TEMP); 2327 } 2328 break; 2329 case CDIOCSETMUTE: 2330 { 2331 struct cd_mode_data *data; 2332 2333 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2334 ("trying to do CDIOCSETMUTE\n")); 2335 2336 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2337 M_WAITOK); 2338 error = cdgetmode(periph, data, AUDIO_PAGE); 2339 if (error) { 2340 free(data, M_TEMP); 2341 break; 2342 } 2343 data->page.audio.port[LEFT_PORT].channels = 0; 2344 data->page.audio.port[RIGHT_PORT].channels = 0; 2345 data->page.audio.port[2].channels = 0; 2346 data->page.audio.port[3].channels = 0; 2347 error = cdsetmode(periph, data); 2348 free(data, M_TEMP); 2349 } 2350 break; 2351 case CDIOCSETLEFT: 2352 { 2353 struct cd_mode_data *data; 2354 2355 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2356 ("trying to do CDIOCSETLEFT\n")); 2357 2358 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2359 M_WAITOK); 2360 error = cdgetmode(periph, data, AUDIO_PAGE); 2361 if (error) { 2362 free(data, M_TEMP); 2363 break; 2364 } 2365 data->page.audio.port[LEFT_PORT].channels = 2366 LEFT_CHANNEL; 2367 data->page.audio.port[RIGHT_PORT].channels = 2368 LEFT_CHANNEL; 2369 data->page.audio.port[2].channels = 0; 2370 data->page.audio.port[3].channels = 0; 2371 error = cdsetmode(periph, data); 2372 free(data, M_TEMP); 2373 } 2374 break; 2375 case CDIOCSETRIGHT: 2376 { 2377 struct cd_mode_data *data; 2378 2379 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2380 ("trying to do CDIOCSETRIGHT\n")); 2381 2382 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2383 M_WAITOK); 2384 error = cdgetmode(periph, data, AUDIO_PAGE); 2385 if (error) { 2386 free(data, M_TEMP); 2387 break; 2388 } 2389 data->page.audio.port[LEFT_PORT].channels = 2390 RIGHT_CHANNEL; 2391 data->page.audio.port[RIGHT_PORT].channels = 2392 RIGHT_CHANNEL; 2393 data->page.audio.port[2].channels = 0; 2394 data->page.audio.port[3].channels = 0; 2395 error = cdsetmode(periph, data); 2396 free(data, M_TEMP); 2397 } 2398 break; 2399 case CDIOCRESUME: 2400 error = cdpause(periph, 1); 2401 break; 2402 case CDIOCPAUSE: 2403 error = cdpause(periph, 0); 2404 break; 2405 case CDIOCSTART: 2406 error = cdstartunit(periph); 2407 break; 2408 case CDIOCSTOP: 2409 error = cdstopunit(periph, 0); 2410 break; 2411 case CDIOCEJECT: 2412 error = cdstopunit(periph, 1); 2413 break; 2414 case CDIOCALLOW: 2415 cdprevent(periph, PR_ALLOW); 2416 break; 2417 case CDIOCPREVENT: 2418 cdprevent(periph, PR_PREVENT); 2419 break; 2420 case CDIOCSETDEBUG: 2421 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2422 error = ENOTTY; 2423 break; 2424 case CDIOCCLRDEBUG: 2425 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2426 error = ENOTTY; 2427 break; 2428 case CDIOCRESET: 2429 /* return (cd_reset(periph)); */ 2430 error = ENOTTY; 2431 break; 2432 case DVDIOCSENDKEY: 2433 case DVDIOCREPORTKEY: { 2434 struct dvd_authinfo *authinfo; 2435 2436 authinfo = (struct dvd_authinfo *)addr; 2437 2438 if (cmd == DVDIOCREPORTKEY) 2439 error = cdreportkey(periph, authinfo); 2440 else 2441 error = cdsendkey(periph, authinfo); 2442 break; 2443 } 2444 case DVDIOCREADSTRUCTURE: { 2445 struct dvd_struct *dvdstruct; 2446 2447 dvdstruct = (struct dvd_struct *)addr; 2448 2449 error = cdreaddvdstructure(periph, dvdstruct); 2450 2451 break; 2452 } 2453 default: 2454 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2455 break; 2456 } 2457 2458 cam_periph_unlock(periph); 2459 2460 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2461 2462 return (error); 2463} 2464 2465static void 2466cdprevent(struct cam_periph *periph, int action) 2467{ 2468 union ccb *ccb; 2469 struct cd_softc *softc; 2470 int error; 2471 2472 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2473 2474 softc = (struct cd_softc *)periph->softc; 2475 2476 if (((action == PR_ALLOW) 2477 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2478 || ((action == PR_PREVENT) 2479 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2480 return; 2481 } 2482 2483 ccb = cdgetccb(periph, /* priority */ 1); 2484 2485 scsi_prevent(&ccb->csio, 2486 /*retries*/ 1, 2487 cddone, 2488 MSG_SIMPLE_Q_TAG, 2489 action, 2490 SSD_FULL_SIZE, 2491 /* timeout */60000); 2492 2493 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2494 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2495 2496 xpt_release_ccb(ccb); 2497 2498 if (error == 0) { 2499 if (action == PR_ALLOW) 2500 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2501 else 2502 softc->flags |= CD_FLAG_DISC_LOCKED; 2503 } 2504} 2505 2506static int 2507cdsize(dev_t dev, u_int32_t *size) 2508{ 2509 struct cam_periph *periph; 2510 struct cd_softc *softc; 2511 union ccb *ccb; 2512 struct scsi_read_capacity_data *rcap_buf; 2513 int error; 2514 2515 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2516 2517 if (periph == NULL) 2518 return (ENXIO); 2519 2520 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2521 2522 softc = (struct cd_softc *)periph->softc; 2523 2524 ccb = cdgetccb(periph, /* priority */ 1); 2525 2526 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2527 M_TEMP, M_WAITOK); 2528 2529 scsi_read_capacity(&ccb->csio, 2530 /*retries*/ 1, 2531 cddone, 2532 MSG_SIMPLE_Q_TAG, 2533 rcap_buf, 2534 SSD_FULL_SIZE, 2535 /* timeout */20000); 2536 2537 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2538 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2539 2540 xpt_release_ccb(ccb); 2541 2542 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2543 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2544 /* 2545 * SCSI-3 mandates that the reported blocksize shall be 2048. 2546 * Older drives sometimes report funny values, trim it down to 2547 * 2048, or other parts of the kernel will get confused. 2548 * 2549 * XXX we leave drives alone that might report 512 bytes, as 2550 * well as drives reporting more weird sizes like perhaps 4K. 2551 */ 2552 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2553 softc->params.blksize = 2048; 2554 2555 free(rcap_buf, M_TEMP); 2556 *size = softc->params.disksize; 2557 2558 return (error); 2559 2560} 2561 2562/* 2563 * The idea here is to try to figure out whether the first track is data or 2564 * audio. If it is data, we can at least attempt to read a disklabel off 2565 * the first sector of the disk. If it is audio, there won't be a 2566 * disklabel. 2567 * 2568 * This routine returns 0 if the first track is data, and non-zero if there 2569 * is an error or the first track is audio. (If either non-zero case, we 2570 * should not attempt to read the disklabel.) 2571 */ 2572static int 2573cdfirsttrackisdata(struct cam_periph *periph) 2574{ 2575 struct cdtocdata { 2576 struct ioc_toc_header header; 2577 struct cd_toc_entry entries[100]; 2578 }; 2579 struct cd_softc *softc; 2580 struct ioc_toc_header *th; 2581 struct cdtocdata *data; 2582 int num_entries, i; 2583 int error, first_track_audio; 2584 2585 error = 0; 2586 first_track_audio = -1; 2587 2588 softc = (struct cd_softc *)periph->softc; 2589 2590 data = malloc(sizeof(struct cdtocdata), M_TEMP, M_WAITOK); 2591 2592 th = &data->header; 2593 error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)data, 2594 sizeof(*data)); 2595 2596 if (error) 2597 goto bailout; 2598 2599 if (softc->quirks & CD_Q_BCD_TRACKS) { 2600 /* we are going to have to convert the BCD 2601 * encoding on the cd to what is expected 2602 */ 2603 th->starting_track = 2604 bcd2bin(th->starting_track); 2605 th->ending_track = bcd2bin(th->ending_track); 2606 } 2607 th->len = scsi_2btoul((u_int8_t *)&th->len); 2608 2609 if ((th->len - 2) > 0) 2610 num_entries = (th->len - 2) / sizeof(struct cd_toc_entry); 2611 else 2612 num_entries = 0; 2613 2614 for (i = 0; i < num_entries; i++) { 2615 if (data->entries[i].track == th->starting_track) { 2616 if (data->entries[i].control & 0x4) 2617 first_track_audio = 0; 2618 else 2619 first_track_audio = 1; 2620 break; 2621 } 2622 } 2623 2624 if (first_track_audio == -1) 2625 error = ENOENT; 2626 else if (first_track_audio == 1) 2627 error = EINVAL; 2628 else 2629 error = 0; 2630bailout: 2631 free(data, M_TEMP); 2632 2633 return(error); 2634} 2635 2636static int 2637cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2638{ 2639 struct cd_softc *softc; 2640 struct cam_periph *periph; 2641 2642 periph = xpt_path_periph(ccb->ccb_h.path); 2643 softc = (struct cd_softc *)periph->softc; 2644 2645 /* 2646 * XXX 2647 * Until we have a better way of doing pack validation, 2648 * don't treat UAs as errors. 2649 */ 2650 sense_flags |= SF_RETRY_UA; 2651 return (cam_periph_error(ccb, cam_flags, sense_flags, 2652 &softc->saved_ccb)); 2653} 2654 2655/* 2656 * Read table of contents 2657 */ 2658static int 2659cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2660 struct cd_toc_entry *data, u_int32_t len) 2661{ 2662 struct scsi_read_toc *scsi_cmd; 2663 u_int32_t ntoc; 2664 struct ccb_scsiio *csio; 2665 union ccb *ccb; 2666 int error; 2667 2668 ntoc = len; 2669 error = 0; 2670 2671 ccb = cdgetccb(periph, /* priority */ 1); 2672 2673 csio = &ccb->csio; 2674 2675 cam_fill_csio(csio, 2676 /* retries */ 1, 2677 /* cbfcnp */ cddone, 2678 /* flags */ CAM_DIR_IN, 2679 /* tag_action */ MSG_SIMPLE_Q_TAG, 2680 /* data_ptr */ (u_int8_t *)data, 2681 /* dxfer_len */ len, 2682 /* sense_len */ SSD_FULL_SIZE, 2683 sizeof(struct scsi_read_toc), 2684 /* timeout */ 50000); 2685 2686 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2687 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2688 2689 if (mode == CD_MSF_FORMAT) 2690 scsi_cmd->byte2 |= CD_MSF; 2691 scsi_cmd->from_track = start; 2692 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2693 scsi_cmd->data_len[0] = (ntoc) >> 8; 2694 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2695 2696 scsi_cmd->op_code = READ_TOC; 2697 2698 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2699 /*sense_flags*/SF_RETRY_UA); 2700 2701 xpt_release_ccb(ccb); 2702 2703 return(error); 2704} 2705 2706static int 2707cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2708 u_int32_t format, int track, 2709 struct cd_sub_channel_info *data, u_int32_t len) 2710{ 2711 struct scsi_read_subchannel *scsi_cmd; 2712 struct ccb_scsiio *csio; 2713 union ccb *ccb; 2714 int error; 2715 2716 error = 0; 2717 2718 ccb = cdgetccb(periph, /* priority */ 1); 2719 2720 csio = &ccb->csio; 2721 2722 cam_fill_csio(csio, 2723 /* retries */ 1, 2724 /* cbfcnp */ cddone, 2725 /* flags */ CAM_DIR_IN, 2726 /* tag_action */ MSG_SIMPLE_Q_TAG, 2727 /* data_ptr */ (u_int8_t *)data, 2728 /* dxfer_len */ len, 2729 /* sense_len */ SSD_FULL_SIZE, 2730 sizeof(struct scsi_read_subchannel), 2731 /* timeout */ 50000); 2732 2733 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2734 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2735 2736 scsi_cmd->op_code = READ_SUBCHANNEL; 2737 if (mode == CD_MSF_FORMAT) 2738 scsi_cmd->byte1 |= CD_MSF; 2739 scsi_cmd->byte2 = SRS_SUBQ; 2740 scsi_cmd->subchan_format = format; 2741 scsi_cmd->track = track; 2742 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2743 scsi_cmd->control = 0; 2744 2745 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2746 /*sense_flags*/SF_RETRY_UA); 2747 2748 xpt_release_ccb(ccb); 2749 2750 return(error); 2751} 2752 2753 2754static int 2755cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2756{ 2757 struct scsi_mode_sense_6 *scsi_cmd; 2758 struct ccb_scsiio *csio; 2759 union ccb *ccb; 2760 int error; 2761 2762 ccb = cdgetccb(periph, /* priority */ 1); 2763 2764 csio = &ccb->csio; 2765 2766 bzero(data, sizeof(*data)); 2767 cam_fill_csio(csio, 2768 /* retries */ 1, 2769 /* cbfcnp */ cddone, 2770 /* flags */ CAM_DIR_IN, 2771 /* tag_action */ MSG_SIMPLE_Q_TAG, 2772 /* data_ptr */ (u_int8_t *)data, 2773 /* dxfer_len */ sizeof(*data), 2774 /* sense_len */ SSD_FULL_SIZE, 2775 sizeof(struct scsi_mode_sense_6), 2776 /* timeout */ 50000); 2777 2778 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2779 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2780 2781 scsi_cmd->page = page; 2782 scsi_cmd->length = sizeof(*data) & 0xff; 2783 scsi_cmd->opcode = MODE_SENSE; 2784 2785 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2786 /*sense_flags*/SF_RETRY_UA); 2787 2788 xpt_release_ccb(ccb); 2789 2790 return(error); 2791} 2792 2793static int 2794cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2795{ 2796 struct scsi_mode_select_6 *scsi_cmd; 2797 struct ccb_scsiio *csio; 2798 union ccb *ccb; 2799 int error; 2800 2801 ccb = cdgetccb(periph, /* priority */ 1); 2802 2803 csio = &ccb->csio; 2804 2805 error = 0; 2806 2807 cam_fill_csio(csio, 2808 /* retries */ 1, 2809 /* cbfcnp */ cddone, 2810 /* flags */ CAM_DIR_OUT, 2811 /* tag_action */ MSG_SIMPLE_Q_TAG, 2812 /* data_ptr */ (u_int8_t *)data, 2813 /* dxfer_len */ sizeof(*data), 2814 /* sense_len */ SSD_FULL_SIZE, 2815 sizeof(struct scsi_mode_select_6), 2816 /* timeout */ 50000); 2817 2818 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2819 2820 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2821 scsi_cmd->opcode = MODE_SELECT; 2822 scsi_cmd->byte2 |= SMS_PF; 2823 scsi_cmd->length = sizeof(*data) & 0xff; 2824 data->header.data_length = 0; 2825 /* 2826 * SONY drives do not allow a mode select with a medium_type 2827 * value that has just been returned by a mode sense; use a 2828 * medium_type of 0 (Default) instead. 2829 */ 2830 data->header.medium_type = 0; 2831 2832 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2833 /*sense_flags*/SF_RETRY_UA); 2834 2835 xpt_release_ccb(ccb); 2836 2837 return(error); 2838} 2839 2840 2841static int 2842cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2843{ 2844 struct ccb_scsiio *csio; 2845 union ccb *ccb; 2846 int error; 2847 u_int8_t cdb_len; 2848 2849 error = 0; 2850 ccb = cdgetccb(periph, /* priority */ 1); 2851 csio = &ccb->csio; 2852 /* 2853 * Use the smallest possible command to perform the operation. 2854 */ 2855 if ((len & 0xffff0000) == 0) { 2856 /* 2857 * We can fit in a 10 byte cdb. 2858 */ 2859 struct scsi_play_10 *scsi_cmd; 2860 2861 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2862 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2863 scsi_cmd->op_code = PLAY_10; 2864 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2865 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2866 cdb_len = sizeof(*scsi_cmd); 2867 } else { 2868 struct scsi_play_12 *scsi_cmd; 2869 2870 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2871 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2872 scsi_cmd->op_code = PLAY_12; 2873 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2874 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2875 cdb_len = sizeof(*scsi_cmd); 2876 } 2877 cam_fill_csio(csio, 2878 /*retries*/2, 2879 cddone, 2880 /*flags*/CAM_DIR_NONE, 2881 MSG_SIMPLE_Q_TAG, 2882 /*dataptr*/NULL, 2883 /*datalen*/0, 2884 /*sense_len*/SSD_FULL_SIZE, 2885 cdb_len, 2886 /*timeout*/50 * 1000); 2887 2888 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2889 /*sense_flags*/SF_RETRY_UA); 2890 2891 xpt_release_ccb(ccb); 2892 2893 return(error); 2894} 2895 2896static int 2897cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2898 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2899{ 2900 struct scsi_play_msf *scsi_cmd; 2901 struct ccb_scsiio *csio; 2902 union ccb *ccb; 2903 int error; 2904 2905 error = 0; 2906 2907 ccb = cdgetccb(periph, /* priority */ 1); 2908 2909 csio = &ccb->csio; 2910 2911 cam_fill_csio(csio, 2912 /* retries */ 1, 2913 /* cbfcnp */ cddone, 2914 /* flags */ CAM_DIR_NONE, 2915 /* tag_action */ MSG_SIMPLE_Q_TAG, 2916 /* data_ptr */ NULL, 2917 /* dxfer_len */ 0, 2918 /* sense_len */ SSD_FULL_SIZE, 2919 sizeof(struct scsi_play_msf), 2920 /* timeout */ 50000); 2921 2922 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2923 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2924 2925 scsi_cmd->op_code = PLAY_MSF; 2926 scsi_cmd->start_m = startm; 2927 scsi_cmd->start_s = starts; 2928 scsi_cmd->start_f = startf; 2929 scsi_cmd->end_m = endm; 2930 scsi_cmd->end_s = ends; 2931 scsi_cmd->end_f = endf; 2932 2933 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2934 /*sense_flags*/SF_RETRY_UA); 2935 2936 xpt_release_ccb(ccb); 2937 2938 return(error); 2939} 2940 2941 2942static int 2943cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2944 u_int32_t etrack, u_int32_t eindex) 2945{ 2946 struct scsi_play_track *scsi_cmd; 2947 struct ccb_scsiio *csio; 2948 union ccb *ccb; 2949 int error; 2950 2951 error = 0; 2952 2953 ccb = cdgetccb(periph, /* priority */ 1); 2954 2955 csio = &ccb->csio; 2956 2957 cam_fill_csio(csio, 2958 /* retries */ 1, 2959 /* cbfcnp */ cddone, 2960 /* flags */ CAM_DIR_NONE, 2961 /* tag_action */ MSG_SIMPLE_Q_TAG, 2962 /* data_ptr */ NULL, 2963 /* dxfer_len */ 0, 2964 /* sense_len */ SSD_FULL_SIZE, 2965 sizeof(struct scsi_play_track), 2966 /* timeout */ 50000); 2967 2968 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2969 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2970 2971 scsi_cmd->op_code = PLAY_TRACK; 2972 scsi_cmd->start_track = strack; 2973 scsi_cmd->start_index = sindex; 2974 scsi_cmd->end_track = etrack; 2975 scsi_cmd->end_index = eindex; 2976 2977 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2978 /*sense_flags*/SF_RETRY_UA); 2979 2980 xpt_release_ccb(ccb); 2981 2982 return(error); 2983} 2984 2985static int 2986cdpause(struct cam_periph *periph, u_int32_t go) 2987{ 2988 struct scsi_pause *scsi_cmd; 2989 struct ccb_scsiio *csio; 2990 union ccb *ccb; 2991 int error; 2992 2993 error = 0; 2994 2995 ccb = cdgetccb(periph, /* priority */ 1); 2996 2997 csio = &ccb->csio; 2998 2999 cam_fill_csio(csio, 3000 /* retries */ 1, 3001 /* cbfcnp */ cddone, 3002 /* flags */ CAM_DIR_NONE, 3003 /* tag_action */ MSG_SIMPLE_Q_TAG, 3004 /* data_ptr */ NULL, 3005 /* dxfer_len */ 0, 3006 /* sense_len */ SSD_FULL_SIZE, 3007 sizeof(struct scsi_pause), 3008 /* timeout */ 50000); 3009 3010 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3011 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3012 3013 scsi_cmd->op_code = PAUSE; 3014 scsi_cmd->resume = go; 3015 3016 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3017 /*sense_flags*/SF_RETRY_UA); 3018 3019 xpt_release_ccb(ccb); 3020 3021 return(error); 3022} 3023 3024static int 3025cdstartunit(struct cam_periph *periph) 3026{ 3027 union ccb *ccb; 3028 int error; 3029 3030 error = 0; 3031 3032 ccb = cdgetccb(periph, /* priority */ 1); 3033 3034 scsi_start_stop(&ccb->csio, 3035 /* retries */ 1, 3036 /* cbfcnp */ cddone, 3037 /* tag_action */ MSG_SIMPLE_Q_TAG, 3038 /* start */ TRUE, 3039 /* load_eject */ FALSE, 3040 /* immediate */ FALSE, 3041 /* sense_len */ SSD_FULL_SIZE, 3042 /* timeout */ 50000); 3043 3044 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3045 /*sense_flags*/SF_RETRY_UA); 3046 3047 xpt_release_ccb(ccb); 3048 3049 return(error); 3050} 3051 3052static int 3053cdstopunit(struct cam_periph *periph, u_int32_t eject) 3054{ 3055 union ccb *ccb; 3056 int error; 3057 3058 error = 0; 3059 3060 ccb = cdgetccb(periph, /* priority */ 1); 3061 3062 scsi_start_stop(&ccb->csio, 3063 /* retries */ 1, 3064 /* cbfcnp */ cddone, 3065 /* tag_action */ MSG_SIMPLE_Q_TAG, 3066 /* start */ FALSE, 3067 /* load_eject */ eject, 3068 /* immediate */ FALSE, 3069 /* sense_len */ SSD_FULL_SIZE, 3070 /* timeout */ 50000); 3071 3072 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3073 /*sense_flags*/SF_RETRY_UA); 3074 3075 xpt_release_ccb(ccb); 3076 3077 return(error); 3078} 3079 3080static int 3081cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3082{ 3083 union ccb *ccb; 3084 u_int8_t *databuf; 3085 u_int32_t lba; 3086 int error; 3087 int length; 3088 3089 error = 0; 3090 databuf = NULL; 3091 lba = 0; 3092 3093 ccb = cdgetccb(periph, /* priority */ 1); 3094 3095 switch (authinfo->format) { 3096 case DVD_REPORT_AGID: 3097 length = sizeof(struct scsi_report_key_data_agid); 3098 break; 3099 case DVD_REPORT_CHALLENGE: 3100 length = sizeof(struct scsi_report_key_data_challenge); 3101 break; 3102 case DVD_REPORT_KEY1: 3103 length = sizeof(struct scsi_report_key_data_key1_key2); 3104 break; 3105 case DVD_REPORT_TITLE_KEY: 3106 length = sizeof(struct scsi_report_key_data_title); 3107 /* The lba field is only set for the title key */ 3108 lba = authinfo->lba; 3109 break; 3110 case DVD_REPORT_ASF: 3111 length = sizeof(struct scsi_report_key_data_asf); 3112 break; 3113 case DVD_REPORT_RPC: 3114 length = sizeof(struct scsi_report_key_data_rpc); 3115 break; 3116 case DVD_INVALIDATE_AGID: 3117 length = 0; 3118 break; 3119 default: 3120 error = EINVAL; 3121 goto bailout; 3122 break; /* NOTREACHED */ 3123 } 3124 3125 if (length != 0) { 3126 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3127 } else 3128 databuf = NULL; 3129 3130 3131 scsi_report_key(&ccb->csio, 3132 /* retries */ 1, 3133 /* cbfcnp */ cddone, 3134 /* tag_action */ MSG_SIMPLE_Q_TAG, 3135 /* lba */ lba, 3136 /* agid */ authinfo->agid, 3137 /* key_format */ authinfo->format, 3138 /* data_ptr */ databuf, 3139 /* dxfer_len */ length, 3140 /* sense_len */ SSD_FULL_SIZE, 3141 /* timeout */ 50000); 3142 3143 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3144 /*sense_flags*/SF_RETRY_UA); 3145 3146 if (error != 0) 3147 goto bailout; 3148 3149 if (ccb->csio.resid != 0) { 3150 xpt_print_path(periph->path); 3151 printf("warning, residual for report key command is %d\n", 3152 ccb->csio.resid); 3153 } 3154 3155 switch(authinfo->format) { 3156 case DVD_REPORT_AGID: { 3157 struct scsi_report_key_data_agid *agid_data; 3158 3159 agid_data = (struct scsi_report_key_data_agid *)databuf; 3160 3161 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3162 RKD_AGID_SHIFT; 3163 break; 3164 } 3165 case DVD_REPORT_CHALLENGE: { 3166 struct scsi_report_key_data_challenge *chal_data; 3167 3168 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3169 3170 bcopy(chal_data->challenge_key, authinfo->keychal, 3171 min(sizeof(chal_data->challenge_key), 3172 sizeof(authinfo->keychal))); 3173 break; 3174 } 3175 case DVD_REPORT_KEY1: { 3176 struct scsi_report_key_data_key1_key2 *key1_data; 3177 3178 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3179 3180 bcopy(key1_data->key1, authinfo->keychal, 3181 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3182 break; 3183 } 3184 case DVD_REPORT_TITLE_KEY: { 3185 struct scsi_report_key_data_title *title_data; 3186 3187 title_data = (struct scsi_report_key_data_title *)databuf; 3188 3189 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3190 RKD_TITLE_CPM_SHIFT; 3191 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3192 RKD_TITLE_CP_SEC_SHIFT; 3193 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3194 RKD_TITLE_CMGS_SHIFT; 3195 bcopy(title_data->title_key, authinfo->keychal, 3196 min(sizeof(title_data->title_key), 3197 sizeof(authinfo->keychal))); 3198 break; 3199 } 3200 case DVD_REPORT_ASF: { 3201 struct scsi_report_key_data_asf *asf_data; 3202 3203 asf_data = (struct scsi_report_key_data_asf *)databuf; 3204 3205 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3206 break; 3207 } 3208 case DVD_REPORT_RPC: { 3209 struct scsi_report_key_data_rpc *rpc_data; 3210 3211 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3212 3213 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3214 RKD_RPC_TYPE_SHIFT; 3215 authinfo->vend_rsts = 3216 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3217 RKD_RPC_VENDOR_RESET_SHIFT; 3218 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3219 authinfo->region = rpc_data->region_mask; 3220 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3221 break; 3222 } 3223 case DVD_INVALIDATE_AGID: 3224 break; 3225 default: 3226 /* This should be impossible, since we checked above */ 3227 error = EINVAL; 3228 goto bailout; 3229 break; /* NOTREACHED */ 3230 } 3231bailout: 3232 if (databuf != NULL) 3233 free(databuf, M_DEVBUF); 3234 3235 xpt_release_ccb(ccb); 3236 3237 return(error); 3238} 3239 3240static int 3241cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3242{ 3243 union ccb *ccb; 3244 u_int8_t *databuf; 3245 int length; 3246 int error; 3247 3248 error = 0; 3249 databuf = NULL; 3250 3251 ccb = cdgetccb(periph, /* priority */ 1); 3252 3253 switch(authinfo->format) { 3254 case DVD_SEND_CHALLENGE: { 3255 struct scsi_report_key_data_challenge *challenge_data; 3256 3257 length = sizeof(*challenge_data); 3258 3259 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3260 3261 databuf = (u_int8_t *)challenge_data; 3262 3263 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3264 challenge_data->data_len); 3265 3266 bcopy(authinfo->keychal, challenge_data->challenge_key, 3267 min(sizeof(authinfo->keychal), 3268 sizeof(challenge_data->challenge_key))); 3269 break; 3270 } 3271 case DVD_SEND_KEY2: { 3272 struct scsi_report_key_data_key1_key2 *key2_data; 3273 3274 length = sizeof(*key2_data); 3275 3276 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3277 3278 databuf = (u_int8_t *)key2_data; 3279 3280 scsi_ulto2b(length - sizeof(key2_data->data_len), 3281 key2_data->data_len); 3282 3283 bcopy(authinfo->keychal, key2_data->key1, 3284 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3285 3286 break; 3287 } 3288 case DVD_SEND_RPC: { 3289 struct scsi_send_key_data_rpc *rpc_data; 3290 3291 length = sizeof(*rpc_data); 3292 3293 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3294 3295 databuf = (u_int8_t *)rpc_data; 3296 3297 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3298 rpc_data->data_len); 3299 3300 rpc_data->region_code = authinfo->region; 3301 break; 3302 } 3303 default: 3304 error = EINVAL; 3305 goto bailout; 3306 break; /* NOTREACHED */ 3307 } 3308 3309 scsi_send_key(&ccb->csio, 3310 /* retries */ 1, 3311 /* cbfcnp */ cddone, 3312 /* tag_action */ MSG_SIMPLE_Q_TAG, 3313 /* agid */ authinfo->agid, 3314 /* key_format */ authinfo->format, 3315 /* data_ptr */ databuf, 3316 /* dxfer_len */ length, 3317 /* sense_len */ SSD_FULL_SIZE, 3318 /* timeout */ 50000); 3319 3320 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3321 /*sense_flags*/SF_RETRY_UA); 3322 3323bailout: 3324 3325 if (databuf != NULL) 3326 free(databuf, M_DEVBUF); 3327 3328 xpt_release_ccb(ccb); 3329 3330 return(error); 3331} 3332 3333static int 3334cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3335{ 3336 union ccb *ccb; 3337 u_int8_t *databuf; 3338 u_int32_t address; 3339 int error; 3340 int length; 3341 3342 error = 0; 3343 databuf = NULL; 3344 /* The address is reserved for many of the formats */ 3345 address = 0; 3346 3347 ccb = cdgetccb(periph, /* priority */ 1); 3348 3349 switch(dvdstruct->format) { 3350 case DVD_STRUCT_PHYSICAL: 3351 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3352 break; 3353 case DVD_STRUCT_COPYRIGHT: 3354 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3355 break; 3356 case DVD_STRUCT_DISCKEY: 3357 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3358 break; 3359 case DVD_STRUCT_BCA: 3360 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3361 break; 3362 case DVD_STRUCT_MANUFACT: 3363 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3364 break; 3365 case DVD_STRUCT_CMI: 3366 error = ENODEV; 3367 goto bailout; 3368#ifdef notyet 3369 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3370 address = dvdstruct->address; 3371#endif 3372 break; /* NOTREACHED */ 3373 case DVD_STRUCT_PROTDISCID: 3374 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3375 break; 3376 case DVD_STRUCT_DISCKEYBLOCK: 3377 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3378 break; 3379 case DVD_STRUCT_DDS: 3380 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3381 break; 3382 case DVD_STRUCT_MEDIUM_STAT: 3383 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3384 break; 3385 case DVD_STRUCT_SPARE_AREA: 3386 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3387 break; 3388 case DVD_STRUCT_RMD_LAST: 3389 error = ENODEV; 3390 goto bailout; 3391#ifdef notyet 3392 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3393 address = dvdstruct->address; 3394#endif 3395 break; /* NOTREACHED */ 3396 case DVD_STRUCT_RMD_RMA: 3397 error = ENODEV; 3398 goto bailout; 3399#ifdef notyet 3400 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3401 address = dvdstruct->address; 3402#endif 3403 break; /* NOTREACHED */ 3404 case DVD_STRUCT_PRERECORDED: 3405 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3406 break; 3407 case DVD_STRUCT_UNIQUEID: 3408 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3409 break; 3410 case DVD_STRUCT_DCB: 3411 error = ENODEV; 3412 goto bailout; 3413#ifdef notyet 3414 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3415 address = dvdstruct->address; 3416#endif 3417 break; /* NOTREACHED */ 3418 case DVD_STRUCT_LIST: 3419 /* 3420 * This is the maximum allocation length for the READ DVD 3421 * STRUCTURE command. There's nothing in the MMC3 spec 3422 * that indicates a limit in the amount of data that can 3423 * be returned from this call, other than the limits 3424 * imposed by the 2-byte length variables. 3425 */ 3426 length = 65535; 3427 break; 3428 default: 3429 error = EINVAL; 3430 goto bailout; 3431 break; /* NOTREACHED */ 3432 } 3433 3434 if (length != 0) { 3435 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3436 } else 3437 databuf = NULL; 3438 3439 scsi_read_dvd_structure(&ccb->csio, 3440 /* retries */ 1, 3441 /* cbfcnp */ cddone, 3442 /* tag_action */ MSG_SIMPLE_Q_TAG, 3443 /* lba */ address, 3444 /* layer_number */ dvdstruct->layer_num, 3445 /* key_format */ dvdstruct->format, 3446 /* agid */ dvdstruct->agid, 3447 /* data_ptr */ databuf, 3448 /* dxfer_len */ length, 3449 /* sense_len */ SSD_FULL_SIZE, 3450 /* timeout */ 50000); 3451 3452 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3453 /*sense_flags*/SF_RETRY_UA); 3454 3455 if (error != 0) 3456 goto bailout; 3457 3458 switch(dvdstruct->format) { 3459 case DVD_STRUCT_PHYSICAL: { 3460 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3461 struct dvd_layer *outlayer; 3462 struct scsi_read_dvd_struct_data_physical *phys_data; 3463 3464 phys_data = 3465 (struct scsi_read_dvd_struct_data_physical *)databuf; 3466 inlayer = &phys_data->layer_desc; 3467 outlayer = (struct dvd_layer *)&dvdstruct->data; 3468 3469 dvdstruct->length = sizeof(*inlayer); 3470 3471 outlayer->book_type = (inlayer->book_type_version & 3472 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3473 outlayer->book_version = (inlayer->book_type_version & 3474 RDSD_BOOK_VERSION_MASK); 3475 outlayer->disc_size = (inlayer->disc_size_max_rate & 3476 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3477 outlayer->max_rate = (inlayer->disc_size_max_rate & 3478 RDSD_MAX_RATE_MASK); 3479 outlayer->nlayers = (inlayer->layer_info & 3480 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3481 outlayer->track_path = (inlayer->layer_info & 3482 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3483 outlayer->layer_type = (inlayer->layer_info & 3484 RDSD_LAYER_TYPE_MASK); 3485 outlayer->linear_density = (inlayer->density & 3486 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3487 outlayer->track_density = (inlayer->density & 3488 RDSD_TRACK_DENSITY_MASK); 3489 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3490 RDSD_BCA_SHIFT; 3491 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3492 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3493 outlayer->end_sector_l0 = 3494 scsi_3btoul(inlayer->end_sector_layer0); 3495 break; 3496 } 3497 case DVD_STRUCT_COPYRIGHT: { 3498 struct scsi_read_dvd_struct_data_copyright *copy_data; 3499 3500 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3501 databuf; 3502 3503 dvdstruct->cpst = copy_data->cps_type; 3504 dvdstruct->rmi = copy_data->region_info; 3505 dvdstruct->length = 0; 3506 3507 break; 3508 } 3509 default: 3510 /* 3511 * Tell the user what the overall length is, no matter 3512 * what we can actually fit in the data buffer. 3513 */ 3514 dvdstruct->length = length - ccb->csio.resid - 3515 sizeof(struct scsi_read_dvd_struct_data_header); 3516 3517 /* 3518 * But only actually copy out the smaller of what we read 3519 * in or what the structure can take. 3520 */ 3521 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3522 dvdstruct->data, 3523 min(sizeof(dvdstruct->data), dvdstruct->length)); 3524 break; 3525 } 3526bailout: 3527 3528 if (databuf != NULL) 3529 free(databuf, M_DEVBUF); 3530 3531 xpt_release_ccb(ccb); 3532 3533 return(error); 3534} 3535 3536void 3537scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3538 void (*cbfcnp)(struct cam_periph *, union ccb *), 3539 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3540 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3541 u_int8_t sense_len, u_int32_t timeout) 3542{ 3543 struct scsi_report_key *scsi_cmd; 3544 3545 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3546 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3547 scsi_cmd->opcode = REPORT_KEY; 3548 scsi_ulto4b(lba, scsi_cmd->lba); 3549 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3550 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3551 (key_format & RK_KF_KEYFORMAT_MASK); 3552 3553 cam_fill_csio(csio, 3554 retries, 3555 cbfcnp, 3556 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3557 tag_action, 3558 /*data_ptr*/ data_ptr, 3559 /*dxfer_len*/ dxfer_len, 3560 sense_len, 3561 sizeof(*scsi_cmd), 3562 timeout); 3563} 3564 3565void 3566scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3567 void (*cbfcnp)(struct cam_periph *, union ccb *), 3568 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3569 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3570 u_int32_t timeout) 3571{ 3572 struct scsi_send_key *scsi_cmd; 3573 3574 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3575 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3576 scsi_cmd->opcode = SEND_KEY; 3577 3578 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3579 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3580 (key_format & RK_KF_KEYFORMAT_MASK); 3581 3582 cam_fill_csio(csio, 3583 retries, 3584 cbfcnp, 3585 /*flags*/ CAM_DIR_OUT, 3586 tag_action, 3587 /*data_ptr*/ data_ptr, 3588 /*dxfer_len*/ dxfer_len, 3589 sense_len, 3590 sizeof(*scsi_cmd), 3591 timeout); 3592} 3593 3594 3595void 3596scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3597 void (*cbfcnp)(struct cam_periph *, union ccb *), 3598 u_int8_t tag_action, u_int32_t address, 3599 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3600 u_int8_t *data_ptr, u_int32_t dxfer_len, 3601 u_int8_t sense_len, u_int32_t timeout) 3602{ 3603 struct scsi_read_dvd_structure *scsi_cmd; 3604 3605 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3606 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3607 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3608 3609 scsi_ulto4b(address, scsi_cmd->address); 3610 scsi_cmd->layer_number = layer_number; 3611 scsi_cmd->format = format; 3612 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3613 /* The AGID is the top two bits of this byte */ 3614 scsi_cmd->agid = agid << 6; 3615 3616 cam_fill_csio(csio, 3617 retries, 3618 cbfcnp, 3619 /*flags*/ CAM_DIR_IN, 3620 tag_action, 3621 /*data_ptr*/ data_ptr, 3622 /*dxfer_len*/ dxfer_len, 3623 sense_len, 3624 sizeof(*scsi_cmd), 3625 timeout); 3626} 3627