scsi_cd.c revision 237305
1/*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 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 28/*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48#include <sys/cdefs.h> 49__FBSDID("$FreeBSD: stable/9/sys/cam/scsi/scsi_cd.c 237305 2012-06-20 13:59:25Z mav $"); 50 51#include "opt_cd.h" 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> 56#include <sys/bio.h> 57#include <sys/conf.h> 58#include <sys/disk.h> 59#include <sys/malloc.h> 60#include <sys/cdio.h> 61#include <sys/cdrio.h> 62#include <sys/dvdio.h> 63#include <sys/devicestat.h> 64#include <sys/sysctl.h> 65#include <sys/taskqueue.h> 66#include <geom/geom_disk.h> 67 68#include <cam/cam.h> 69#include <cam/cam_ccb.h> 70#include <cam/cam_periph.h> 71#include <cam/cam_xpt_periph.h> 72#include <cam/cam_queue.h> 73#include <cam/cam_sim.h> 74 75#include <cam/scsi/scsi_message.h> 76#include <cam/scsi/scsi_da.h> 77#include <cam/scsi/scsi_cd.h> 78 79#define LEADOUT 0xaa /* leadout toc entry */ 80 81struct cd_params { 82 u_int32_t blksize; 83 u_long disksize; 84}; 85 86typedef enum { 87 CD_Q_NONE = 0x00, 88 CD_Q_NO_TOUCH = 0x01, 89 CD_Q_BCD_TRACKS = 0x02, 90 CD_Q_NO_CHANGER = 0x04, 91 CD_Q_CHANGER = 0x08, 92 CD_Q_10_BYTE_ONLY = 0x10 93} cd_quirks; 94 95typedef enum { 96 CD_FLAG_INVALID = 0x0001, 97 CD_FLAG_NEW_DISC = 0x0002, 98 CD_FLAG_DISC_LOCKED = 0x0004, 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_TAGGED_QUEUING = 0x0010, 101 CD_FLAG_CHANGER = 0x0040, 102 CD_FLAG_ACTIVE = 0x0080, 103 CD_FLAG_SCHED_ON_COMP = 0x0100, 104 CD_FLAG_RETRY_UA = 0x0200, 105 CD_FLAG_VALID_MEDIA = 0x0400, 106 CD_FLAG_VALID_TOC = 0x0800, 107 CD_FLAG_SCTX_INIT = 0x1000, 108 CD_FLAG_OPEN = 0x2000 109} cd_flags; 110 111typedef enum { 112 CD_CCB_PROBE = 0x01, 113 CD_CCB_BUFFER_IO = 0x02, 114 CD_CCB_WAITING = 0x03, 115 CD_CCB_TYPE_MASK = 0x0F, 116 CD_CCB_RETRY_UA = 0x10 117} cd_ccb_state; 118 119typedef enum { 120 CHANGER_TIMEOUT_SCHED = 0x01, 121 CHANGER_SHORT_TMOUT_SCHED = 0x02, 122 CHANGER_MANUAL_CALL = 0x04, 123 CHANGER_NEED_TIMEOUT = 0x08 124} cd_changer_flags; 125 126#define ccb_state ppriv_field0 127#define ccb_bp ppriv_ptr1 128 129struct cd_tocdata { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entries[100]; 132}; 133 134struct cd_toc_single { 135 struct ioc_toc_header header; 136 struct cd_toc_entry entry; 137}; 138 139typedef enum { 140 CD_STATE_PROBE, 141 CD_STATE_NORMAL 142} cd_state; 143 144struct cd_softc { 145 cam_pinfo pinfo; 146 cd_state state; 147 volatile cd_flags flags; 148 struct bio_queue_head bio_queue; 149 LIST_HEAD(, ccb_hdr) pending_ccbs; 150 struct cd_params params; 151 union ccb saved_ccb; 152 cd_quirks quirks; 153 STAILQ_ENTRY(cd_softc) changer_links; 154 struct cdchanger *changer; 155 int bufs_left; 156 struct cam_periph *periph; 157 int minimum_command_size; 158 int outstanding_cmds; 159 struct task sysctl_task; 160 struct sysctl_ctx_list sysctl_ctx; 161 struct sysctl_oid *sysctl_tree; 162 STAILQ_HEAD(, cd_mode_params) mode_queue; 163 struct cd_tocdata toc; 164 struct disk *disk; 165}; 166 167struct cd_page_sizes { 168 int page; 169 int page_size; 170}; 171 172static struct cd_page_sizes cd_page_size_table[] = 173{ 174 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 175}; 176 177struct cd_quirk_entry { 178 struct scsi_inquiry_pattern inq_pat; 179 cd_quirks quirks; 180}; 181 182/* 183 * The changer quirk entries aren't strictly necessary. Basically, what 184 * they do is tell cdregister() up front that a device is a changer. 185 * Otherwise, it will figure that fact out once it sees a LUN on the device 186 * that is greater than 0. If it is known up front that a device is a changer, 187 * all I/O to the device will go through the changer scheduling routines, as 188 * opposed to the "normal" CD code. 189 * 190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 191 * your device hangs when it gets a 10 byte command. Adding a quirk just 192 * to get rid of the informative diagnostic message is not acceptable. All 193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 194 * referenced in a comment along with the quirk) , and must be approved by 195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 196 * be removed until the submitter can explain why they are needed. 197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 198 * when the CAM_NEW_TRAN_CODE work is done. 199 */ 200static struct cd_quirk_entry cd_quirk_table[] = 201{ 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 204 /*quirks*/ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 208 "*"}, /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 212 /* quirks */ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 216 /* quirks */ CD_Q_BCD_TRACKS 217 } 218}; 219 220static disk_open_t cdopen; 221static disk_close_t cdclose; 222static disk_ioctl_t cdioctl; 223static disk_strategy_t cdstrategy; 224 225static periph_init_t cdinit; 226static periph_ctor_t cdregister; 227static periph_dtor_t cdcleanup; 228static periph_start_t cdstart; 229static periph_oninv_t cdoninvalidate; 230static void cdasync(void *callback_arg, u_int32_t code, 231 struct cam_path *path, void *arg); 232static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 233static void cdshorttimeout(void *arg); 234static void cdschedule(struct cam_periph *periph, int priority); 235static void cdrunchangerqueue(void *arg); 236static void cdchangerschedule(struct cd_softc *softc); 237static int cdrunccb(union ccb *ccb, 238 int (*error_routine)(union ccb *ccb, 239 u_int32_t cam_flags, 240 u_int32_t sense_flags), 241 u_int32_t cam_flags, u_int32_t sense_flags); 242static union ccb *cdgetccb(struct cam_periph *periph, 243 u_int32_t priority); 244static void cddone(struct cam_periph *periph, 245 union ccb *start_ccb); 246static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 247static int cdgetpagesize(int page_num); 248static void cdprevent(struct cam_periph *periph, int action); 249static int cdcheckmedia(struct cam_periph *periph); 250static int cdsize(struct cam_periph *periph, u_int32_t *size); 251static int cd6byteworkaround(union ccb *ccb); 252static int cderror(union ccb *ccb, u_int32_t cam_flags, 253 u_int32_t sense_flags); 254static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 255 u_int32_t start, u_int8_t *data, 256 u_int32_t len, u_int32_t sense_flags); 257static int cdgetmode(struct cam_periph *periph, 258 struct cd_mode_params *data, u_int32_t page); 259static int cdsetmode(struct cam_periph *periph, 260 struct cd_mode_params *data); 261static int cdplay(struct cam_periph *periph, u_int32_t blk, 262 u_int32_t len); 263static int cdreadsubchannel(struct cam_periph *periph, 264 u_int32_t mode, u_int32_t format, 265 int track, 266 struct cd_sub_channel_info *data, 267 u_int32_t len); 268static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 269 u_int32_t starts, u_int32_t startf, 270 u_int32_t endm, u_int32_t ends, 271 u_int32_t endf); 272static int cdplaytracks(struct cam_periph *periph, 273 u_int32_t strack, u_int32_t sindex, 274 u_int32_t etrack, u_int32_t eindex); 275static int cdpause(struct cam_periph *periph, u_int32_t go); 276static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 277static int cdstartunit(struct cam_periph *periph, int load); 278static int cdsetspeed(struct cam_periph *periph, 279 u_int32_t rdspeed, u_int32_t wrspeed); 280static int cdreportkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282static int cdsendkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284static int cdreaddvdstructure(struct cam_periph *periph, 285 struct dvd_struct *dvdstruct); 286 287static struct periph_driver cddriver = 288{ 289 cdinit, "cd", 290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 291}; 292 293PERIPHDRIVER_DECLARE(cd, cddriver); 294 295#ifndef CD_DEFAULT_RETRY 296#define CD_DEFAULT_RETRY 4 297#endif 298#ifndef CHANGER_MIN_BUSY_SECONDS 299#define CHANGER_MIN_BUSY_SECONDS 5 300#endif 301#ifndef CHANGER_MAX_BUSY_SECONDS 302#define CHANGER_MAX_BUSY_SECONDS 15 303#endif 304 305static int cd_retry_count = CD_DEFAULT_RETRY; 306static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 307static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 308 309SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 310SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 311SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 312 &cd_retry_count, 0, "Normal I/O retry count"); 313TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 314SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 315 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 316TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 317SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 318 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 319TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 320 321struct cdchanger { 322 path_id_t path_id; 323 target_id_t target_id; 324 int num_devices; 325 struct camq devq; 326 struct timeval start_time; 327 struct cd_softc *cur_device; 328 struct callout short_handle; 329 struct callout long_handle; 330 volatile cd_changer_flags flags; 331 STAILQ_ENTRY(cdchanger) changer_links; 332 STAILQ_HEAD(chdevlist, cd_softc) chluns; 333}; 334 335static struct mtx changerq_mtx; 336static STAILQ_HEAD(changerlist, cdchanger) changerq; 337static int num_changers; 338 339MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 340 341static void 342cdinit(void) 343{ 344 cam_status status; 345 346 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 347 STAILQ_INIT(&changerq); 348 349 /* 350 * Install a global async callback. This callback will 351 * receive async callbacks like "new device found". 352 */ 353 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 354 355 if (status != CAM_REQ_CMP) { 356 printf("cd: Failed to attach master async callback " 357 "due to status 0x%x!\n", status); 358 } 359} 360 361static void 362cdoninvalidate(struct cam_periph *periph) 363{ 364 struct cd_softc *softc; 365 366 softc = (struct cd_softc *)periph->softc; 367 368 /* 369 * De-register any async callbacks. 370 */ 371 xpt_register_async(0, cdasync, periph, periph->path); 372 373 softc->flags |= CD_FLAG_INVALID; 374 375 /* 376 * Return all queued I/O with ENXIO. 377 * XXX Handle any transactions queued to the card 378 * with XPT_ABORT_CCB. 379 */ 380 bioq_flush(&softc->bio_queue, NULL, ENXIO); 381 382 /* 383 * If this device is part of a changer, and it was scheduled 384 * to run, remove it from the run queue since we just nuked 385 * all of its scheduled I/O. 386 */ 387 if ((softc->flags & CD_FLAG_CHANGER) 388 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 389 camq_remove(&softc->changer->devq, softc->pinfo.index); 390 391 disk_gone(softc->disk); 392 xpt_print(periph->path, "lost device\n"); 393} 394 395static void 396cdcleanup(struct cam_periph *periph) 397{ 398 struct cd_softc *softc; 399 400 softc = (struct cd_softc *)periph->softc; 401 402 xpt_print(periph->path, "removing device entry\n"); 403 404 /* 405 * In the queued, non-active case, the device in question 406 * has already been removed from the changer run queue. Since this 407 * device is active, we need to de-activate it, and schedule 408 * another device to run. (if there is another one to run) 409 */ 410 if ((softc->flags & CD_FLAG_CHANGER) 411 && (softc->flags & CD_FLAG_ACTIVE)) { 412 413 /* 414 * The purpose of the short timeout is soley to determine 415 * whether the current device has finished or not. Well, 416 * since we're removing the active device, we know that it 417 * is finished. So, get rid of the short timeout. 418 * Otherwise, if we're in the time period before the short 419 * timeout fires, and there are no other devices in the 420 * queue to run, there won't be any other device put in the 421 * active slot. i.e., when we call cdrunchangerqueue() 422 * below, it won't do anything. Then, when the short 423 * timeout fires, it'll look at the "current device", which 424 * we are free below, and possibly panic the kernel on a 425 * bogus pointer reference. 426 * 427 * The long timeout doesn't really matter, since we 428 * decrement the qfrozen_cnt to indicate that there is 429 * nothing in the active slot now. Therefore, there won't 430 * be any bogus pointer references there. 431 */ 432 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 433 callout_stop(&softc->changer->short_handle); 434 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 435 } 436 softc->changer->devq.qfrozen_cnt[0]--; 437 softc->changer->flags |= CHANGER_MANUAL_CALL; 438 cdrunchangerqueue(softc->changer); 439 } 440 441 /* 442 * If we're removing the last device on the changer, go ahead and 443 * remove the changer device structure. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (--softc->changer->num_devices == 0)) { 447 448 /* 449 * Theoretically, there shouldn't be any timeouts left, but 450 * I'm not completely sure that that will be the case. So, 451 * it won't hurt to check and see if there are any left. 452 */ 453 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 454 callout_stop(&softc->changer->long_handle); 455 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 456 } 457 458 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 459 callout_stop(&softc->changer->short_handle); 460 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 461 } 462 463 mtx_lock(&changerq_mtx); 464 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 465 changer_links); 466 num_changers--; 467 mtx_unlock(&changerq_mtx); 468 xpt_print(periph->path, "removing changer entry\n"); 469 free(softc->changer, M_DEVBUF); 470 } 471 cam_periph_unlock(periph); 472 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 473 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 474 xpt_print(periph->path, "can't remove sysctl context\n"); 475 } 476 477 disk_destroy(softc->disk); 478 free(softc, M_DEVBUF); 479 cam_periph_lock(periph); 480} 481 482static void 483cdasync(void *callback_arg, u_int32_t code, 484 struct cam_path *path, void *arg) 485{ 486 struct cam_periph *periph; 487 488 periph = (struct cam_periph *)callback_arg; 489 switch (code) { 490 case AC_FOUND_DEVICE: 491 { 492 struct ccb_getdev *cgd; 493 cam_status status; 494 495 cgd = (struct ccb_getdev *)arg; 496 if (cgd == NULL) 497 break; 498 499 if (cgd->protocol != PROTO_SCSI) 500 break; 501 502 if (SID_TYPE(&cgd->inq_data) != T_CDROM 503 && SID_TYPE(&cgd->inq_data) != T_WORM) 504 break; 505 506 /* 507 * Allocate a peripheral instance for 508 * this device and start the probe 509 * process. 510 */ 511 status = cam_periph_alloc(cdregister, cdoninvalidate, 512 cdcleanup, cdstart, 513 "cd", CAM_PERIPH_BIO, 514 cgd->ccb_h.path, cdasync, 515 AC_FOUND_DEVICE, cgd); 516 517 if (status != CAM_REQ_CMP 518 && status != CAM_REQ_INPROG) 519 printf("cdasync: Unable to attach new device " 520 "due to status 0x%x\n", status); 521 522 break; 523 } 524 case AC_SENT_BDR: 525 case AC_BUS_RESET: 526 { 527 struct cd_softc *softc; 528 struct ccb_hdr *ccbh; 529 530 softc = (struct cd_softc *)periph->softc; 531 /* 532 * Don't fail on the expected unit attention 533 * that will occur. 534 */ 535 softc->flags |= CD_FLAG_RETRY_UA; 536 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 537 ccbh->ccb_state |= CD_CCB_RETRY_UA; 538 /* FALLTHROUGH */ 539 } 540 default: 541 cam_periph_async(periph, code, path, arg); 542 break; 543 } 544} 545 546static void 547cdsysctlinit(void *context, int pending) 548{ 549 struct cam_periph *periph; 550 struct cd_softc *softc; 551 char tmpstr[80], tmpstr2[80]; 552 553 periph = (struct cam_periph *)context; 554 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 555 return; 556 557 softc = (struct cd_softc *)periph->softc; 558 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 559 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 560 561 sysctl_ctx_init(&softc->sysctl_ctx); 562 softc->flags |= CD_FLAG_SCTX_INIT; 563 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 564 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 565 tmpstr2, CTLFLAG_RD, 0, tmpstr); 566 567 if (softc->sysctl_tree == NULL) { 568 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 569 cam_periph_release(periph); 570 return; 571 } 572 573 /* 574 * Now register the sysctl handler, so the user can the value on 575 * the fly. 576 */ 577 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 578 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 579 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 580 "Minimum CDB size"); 581 582 cam_periph_release(periph); 583} 584 585/* 586 * We have a handler function for this so we can check the values when the 587 * user sets them, instead of every time we look at them. 588 */ 589static int 590cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 591{ 592 int error, value; 593 594 value = *(int *)arg1; 595 596 error = sysctl_handle_int(oidp, &value, 0, req); 597 598 if ((error != 0) 599 || (req->newptr == NULL)) 600 return (error); 601 602 /* 603 * The only real values we can have here are 6 or 10. I don't 604 * really forsee having 12 be an option at any time in the future. 605 * So if the user sets something less than or equal to 6, we'll set 606 * it to 6. If he sets something greater than 6, we'll set it to 10. 607 * 608 * I suppose we could just return an error here for the wrong values, 609 * but I don't think it's necessary to do so, as long as we can 610 * determine the user's intent without too much trouble. 611 */ 612 if (value < 6) 613 value = 6; 614 else if (value > 6) 615 value = 10; 616 617 *(int *)arg1 = value; 618 619 return (0); 620} 621 622static cam_status 623cdregister(struct cam_periph *periph, void *arg) 624{ 625 struct cd_softc *softc; 626 struct ccb_pathinq cpi; 627 struct ccb_getdev *cgd; 628 char tmpstr[80]; 629 caddr_t match; 630 631 cgd = (struct ccb_getdev *)arg; 632 if (periph == NULL) { 633 printf("cdregister: periph was NULL!!\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 if (cgd == NULL) { 637 printf("cdregister: no getdev CCB, can't register device\n"); 638 return(CAM_REQ_CMP_ERR); 639 } 640 641 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 642 M_NOWAIT | M_ZERO); 643 if (softc == NULL) { 644 printf("cdregister: Unable to probe new device. " 645 "Unable to allocate softc\n"); 646 return(CAM_REQ_CMP_ERR); 647 } 648 649 LIST_INIT(&softc->pending_ccbs); 650 STAILQ_INIT(&softc->mode_queue); 651 softc->state = CD_STATE_PROBE; 652 bioq_init(&softc->bio_queue); 653 if (SID_IS_REMOVABLE(&cgd->inq_data)) 654 softc->flags |= CD_FLAG_DISC_REMOVABLE; 655 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 656 softc->flags |= CD_FLAG_TAGGED_QUEUING; 657 658 periph->softc = softc; 659 softc->periph = periph; 660 661 /* 662 * See if this device has any quirks. 663 */ 664 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 665 (caddr_t)cd_quirk_table, 666 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 667 sizeof(*cd_quirk_table), scsi_inquiry_match); 668 669 if (match != NULL) 670 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 671 else 672 softc->quirks = CD_Q_NONE; 673 674 /* Check if the SIM does not want 6 byte commands */ 675 bzero(&cpi, sizeof(cpi)); 676 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 677 cpi.ccb_h.func_code = XPT_PATH_INQ; 678 xpt_action((union ccb *)&cpi); 679 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 680 softc->quirks |= CD_Q_10_BYTE_ONLY; 681 682 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 683 684 /* The default is 6 byte commands, unless quirked otherwise */ 685 if (softc->quirks & CD_Q_10_BYTE_ONLY) 686 softc->minimum_command_size = 10; 687 else 688 softc->minimum_command_size = 6; 689 690 /* 691 * Refcount and block open attempts until we are setup 692 * Can't block 693 */ 694 (void)cam_periph_hold(periph, PRIBIO); 695 cam_periph_unlock(periph); 696 /* 697 * Load the user's default, if any. 698 */ 699 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 700 periph->unit_number); 701 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 702 703 /* 6 and 10 are the only permissible values here. */ 704 if (softc->minimum_command_size < 6) 705 softc->minimum_command_size = 6; 706 else if (softc->minimum_command_size > 6) 707 softc->minimum_command_size = 10; 708 709 /* 710 * We need to register the statistics structure for this device, 711 * but we don't have the blocksize yet for it. So, we register 712 * the structure and indicate that we don't have the blocksize 713 * yet. Unlike other SCSI peripheral drivers, we explicitly set 714 * the device type here to be CDROM, rather than just ORing in 715 * the device type. This is because this driver can attach to either 716 * CDROM or WORM devices, and we want this peripheral driver to 717 * show up in the devstat list as a CD peripheral driver, not a 718 * WORM peripheral driver. WORM drives will also have the WORM 719 * driver attached to them. 720 */ 721 softc->disk = disk_alloc(); 722 softc->disk->d_devstat = devstat_new_entry("cd", 723 periph->unit_number, 0, 724 DEVSTAT_BS_UNAVAILABLE, 725 DEVSTAT_TYPE_CDROM | 726 XPORT_DEVSTAT_TYPE(cpi.transport), 727 DEVSTAT_PRIORITY_CD); 728 softc->disk->d_open = cdopen; 729 softc->disk->d_close = cdclose; 730 softc->disk->d_strategy = cdstrategy; 731 softc->disk->d_ioctl = cdioctl; 732 softc->disk->d_name = "cd"; 733 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 734 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 735 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 736 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 737 cgd->inq_data.product, sizeof(cgd->inq_data.product), 738 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 739 softc->disk->d_unit = periph->unit_number; 740 softc->disk->d_drv1 = periph; 741 if (cpi.maxio == 0) 742 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 743 else if (cpi.maxio > MAXPHYS) 744 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 745 else 746 softc->disk->d_maxsize = cpi.maxio; 747 softc->disk->d_flags = 0; 748 softc->disk->d_hba_vendor = cpi.hba_vendor; 749 softc->disk->d_hba_device = cpi.hba_device; 750 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 751 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 752 disk_create(softc->disk, DISK_VERSION); 753 cam_periph_lock(periph); 754 755 /* 756 * Add an async callback so that we get 757 * notified if this device goes away. 758 */ 759 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 760 cdasync, periph, periph->path); 761 762 /* 763 * If the target lun is greater than 0, we most likely have a CD 764 * changer device. Check the quirk entries as well, though, just 765 * in case someone has a CD tower with one lun per drive or 766 * something like that. Also, if we know up front that a 767 * particular device is a changer, we can mark it as such starting 768 * with lun 0, instead of lun 1. It shouldn't be necessary to have 769 * a quirk entry to define something as a changer, however. 770 */ 771 if (((cgd->ccb_h.target_lun > 0) 772 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 773 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 774 struct cdchanger *nchanger; 775 struct cam_periph *nperiph; 776 struct cam_path *path; 777 cam_status status; 778 int found; 779 780 /* Set the changer flag in the current device's softc */ 781 softc->flags |= CD_FLAG_CHANGER; 782 783 /* 784 * Now, look around for an existing changer device with the 785 * same path and target ID as the current device. 786 */ 787 mtx_lock(&changerq_mtx); 788 for (found = 0, 789 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 790 nchanger != NULL; 791 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 792 if ((nchanger->path_id == cgd->ccb_h.path_id) 793 && (nchanger->target_id == cgd->ccb_h.target_id)) { 794 found = 1; 795 break; 796 } 797 } 798 mtx_unlock(&changerq_mtx); 799 800 /* 801 * If we found a matching entry, just add this device to 802 * the list of devices on this changer. 803 */ 804 if (found == 1) { 805 struct chdevlist *chlunhead; 806 807 chlunhead = &nchanger->chluns; 808 809 /* 810 * XXX KDM look at consolidating this code with the 811 * code below in a separate function. 812 */ 813 814 /* 815 * Create a path with lun id 0, and see if we can 816 * find a matching device 817 */ 818 status = xpt_create_path(&path, /*periph*/ periph, 819 cgd->ccb_h.path_id, 820 cgd->ccb_h.target_id, 0); 821 822 if ((status == CAM_REQ_CMP) 823 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 824 struct cd_softc *nsoftc; 825 826 nsoftc = (struct cd_softc *)nperiph->softc; 827 828 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 829 nsoftc->flags |= CD_FLAG_CHANGER; 830 nchanger->num_devices++; 831 if (camq_resize(&nchanger->devq, 832 nchanger->num_devices)!=CAM_REQ_CMP){ 833 printf("cdregister: " 834 "camq_resize " 835 "failed, changer " 836 "support may " 837 "be messed up\n"); 838 } 839 nsoftc->changer = nchanger; 840 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 841 842 STAILQ_INSERT_TAIL(&nchanger->chluns, 843 nsoftc,changer_links); 844 } 845 xpt_free_path(path); 846 } else if (status == CAM_REQ_CMP) 847 xpt_free_path(path); 848 else { 849 printf("cdregister: unable to allocate path\n" 850 "cdregister: changer support may be " 851 "broken\n"); 852 } 853 854 nchanger->num_devices++; 855 856 softc->changer = nchanger; 857 softc->pinfo.index = CAM_UNQUEUED_INDEX; 858 859 if (camq_resize(&nchanger->devq, 860 nchanger->num_devices) != CAM_REQ_CMP) { 861 printf("cdregister: camq_resize " 862 "failed, changer support may " 863 "be messed up\n"); 864 } 865 866 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 867 } 868 /* 869 * In this case, we don't already have an entry for this 870 * particular changer, so we need to create one, add it to 871 * the queue, and queue this device on the list for this 872 * changer. Before we queue this device, however, we need 873 * to search for lun id 0 on this target, and add it to the 874 * queue first, if it exists. (and if it hasn't already 875 * been marked as part of the changer.) 876 */ 877 else { 878 nchanger = malloc(sizeof(struct cdchanger), 879 M_DEVBUF, M_NOWAIT | M_ZERO); 880 if (nchanger == NULL) { 881 softc->flags &= ~CD_FLAG_CHANGER; 882 printf("cdregister: unable to malloc " 883 "changer structure\ncdregister: " 884 "changer support disabled\n"); 885 886 /* 887 * Yes, gotos can be gross but in this case 888 * I think it's justified.. 889 */ 890 goto cdregisterexit; 891 } 892 if (camq_init(&nchanger->devq, 1) != 0) { 893 softc->flags &= ~CD_FLAG_CHANGER; 894 printf("cdregister: changer support " 895 "disabled\n"); 896 goto cdregisterexit; 897 } 898 899 nchanger->path_id = cgd->ccb_h.path_id; 900 nchanger->target_id = cgd->ccb_h.target_id; 901 902 /* this is superfluous, but it makes things clearer */ 903 nchanger->num_devices = 0; 904 905 STAILQ_INIT(&nchanger->chluns); 906 907 callout_init_mtx(&nchanger->long_handle, 908 periph->sim->mtx, 0); 909 callout_init_mtx(&nchanger->short_handle, 910 periph->sim->mtx, 0); 911 912 mtx_lock(&changerq_mtx); 913 num_changers++; 914 STAILQ_INSERT_TAIL(&changerq, nchanger, 915 changer_links); 916 mtx_unlock(&changerq_mtx); 917 918 /* 919 * Create a path with lun id 0, and see if we can 920 * find a matching device 921 */ 922 status = xpt_create_path(&path, /*periph*/ periph, 923 cgd->ccb_h.path_id, 924 cgd->ccb_h.target_id, 0); 925 926 /* 927 * If we were able to allocate the path, and if we 928 * find a matching device and it isn't already 929 * marked as part of a changer, then we add it to 930 * the current changer. 931 */ 932 if ((status == CAM_REQ_CMP) 933 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 934 && ((((struct cd_softc *)periph->softc)->flags & 935 CD_FLAG_CHANGER) == 0)) { 936 struct cd_softc *nsoftc; 937 938 nsoftc = (struct cd_softc *)nperiph->softc; 939 940 nsoftc->flags |= CD_FLAG_CHANGER; 941 nchanger->num_devices++; 942 if (camq_resize(&nchanger->devq, 943 nchanger->num_devices) != CAM_REQ_CMP) { 944 printf("cdregister: camq_resize " 945 "failed, changer support may " 946 "be messed up\n"); 947 } 948 nsoftc->changer = nchanger; 949 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 950 951 STAILQ_INSERT_TAIL(&nchanger->chluns, 952 nsoftc, changer_links); 953 xpt_free_path(path); 954 } else if (status == CAM_REQ_CMP) 955 xpt_free_path(path); 956 else { 957 printf("cdregister: unable to allocate path\n" 958 "cdregister: changer support may be " 959 "broken\n"); 960 } 961 962 softc->changer = nchanger; 963 softc->pinfo.index = CAM_UNQUEUED_INDEX; 964 nchanger->num_devices++; 965 if (camq_resize(&nchanger->devq, 966 nchanger->num_devices) != CAM_REQ_CMP) { 967 printf("cdregister: camq_resize " 968 "failed, changer support may " 969 "be messed up\n"); 970 } 971 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 972 changer_links); 973 } 974 } 975 976cdregisterexit: 977 978 if ((softc->flags & CD_FLAG_CHANGER) == 0) 979 xpt_schedule(periph, CAM_PRIORITY_DEV); 980 else 981 cdschedule(periph, CAM_PRIORITY_DEV); 982 983 return(CAM_REQ_CMP); 984} 985 986static int 987cdopen(struct disk *dp) 988{ 989 struct cam_periph *periph; 990 struct cd_softc *softc; 991 int error; 992 993 periph = (struct cam_periph *)dp->d_drv1; 994 if (periph == NULL) 995 return (ENXIO); 996 997 softc = (struct cd_softc *)periph->softc; 998 999 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1000 return(ENXIO); 1001 1002 cam_periph_lock(periph); 1003 1004 if (softc->flags & CD_FLAG_INVALID) { 1005 cam_periph_unlock(periph); 1006 cam_periph_release(periph); 1007 return(ENXIO); 1008 } 1009 1010 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1011 cam_periph_unlock(periph); 1012 cam_periph_release(periph); 1013 return (error); 1014 } 1015 1016 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1017 ("cdopen\n")); 1018 1019 /* 1020 * Check for media, and set the appropriate flags. We don't bail 1021 * if we don't have media, but then we don't allow anything but the 1022 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1023 */ 1024 cdcheckmedia(periph); 1025 1026 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1027 cam_periph_unhold(periph); 1028 1029 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1030 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1031 softc->flags |= CD_FLAG_OPEN; 1032 cam_periph_unlock(periph); 1033 } else { 1034 cam_periph_unlock(periph); 1035 cam_periph_release(periph); 1036 } 1037 1038 return (0); 1039} 1040 1041static int 1042cdclose(struct disk *dp) 1043{ 1044 struct cam_periph *periph; 1045 struct cd_softc *softc; 1046 1047 periph = (struct cam_periph *)dp->d_drv1; 1048 if (periph == NULL) 1049 return (ENXIO); 1050 1051 softc = (struct cd_softc *)periph->softc; 1052 1053 cam_periph_lock(periph); 1054 cam_periph_hold(periph, PRIBIO); 1055 1056 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1057 ("cdclose\n")); 1058 1059 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1060 cdprevent(periph, PR_ALLOW); 1061 1062 /* 1063 * Since we're closing this CD, mark the blocksize as unavailable. 1064 * It will be marked as available when the CD is opened again. 1065 */ 1066 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1067 1068 /* 1069 * We'll check the media and toc again at the next open(). 1070 */ 1071 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1072 1073 cam_periph_unhold(periph); 1074 cam_periph_unlock(periph); 1075 cam_periph_release(periph); 1076 1077 return (0); 1078} 1079 1080static void 1081cdshorttimeout(void *arg) 1082{ 1083 struct cdchanger *changer; 1084 1085 changer = (struct cdchanger *)arg; 1086 1087 /* Always clear the short timeout flag, since that's what we're in */ 1088 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1089 1090 /* 1091 * Check to see if there is any more pending or outstanding I/O for 1092 * this device. If not, move it out of the active slot. 1093 */ 1094 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1095 && (changer->cur_device->outstanding_cmds == 0)) { 1096 changer->flags |= CHANGER_MANUAL_CALL; 1097 cdrunchangerqueue(changer); 1098 } 1099} 1100 1101/* 1102 * This is a wrapper for xpt_schedule. It only applies to changers. 1103 */ 1104static void 1105cdschedule(struct cam_periph *periph, int priority) 1106{ 1107 struct cd_softc *softc; 1108 1109 softc = (struct cd_softc *)periph->softc; 1110 1111 /* 1112 * If this device isn't currently queued, and if it isn't 1113 * the active device, then we queue this device and run the 1114 * changer queue if there is no timeout scheduled to do it. 1115 * If this device is the active device, just schedule it 1116 * to run again. If this device is queued, there should be 1117 * a timeout in place already that will make sure it runs. 1118 */ 1119 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1120 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1121 /* 1122 * We don't do anything with the priority here. 1123 * This is strictly a fifo queue. 1124 */ 1125 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1126 softc->pinfo.generation = ++softc->changer->devq.generation; 1127 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1128 1129 /* 1130 * Since we just put a device in the changer queue, 1131 * check and see if there is a timeout scheduled for 1132 * this changer. If so, let the timeout handle 1133 * switching this device into the active slot. If 1134 * not, manually call the timeout routine to 1135 * bootstrap things. 1136 */ 1137 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1138 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1139 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1140 softc->changer->flags |= CHANGER_MANUAL_CALL; 1141 cdrunchangerqueue(softc->changer); 1142 } 1143 } else if ((softc->flags & CD_FLAG_ACTIVE) 1144 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1145 xpt_schedule(periph, priority); 1146} 1147 1148static void 1149cdrunchangerqueue(void *arg) 1150{ 1151 struct cd_softc *softc; 1152 struct cdchanger *changer; 1153 int called_from_timeout; 1154 1155 changer = (struct cdchanger *)arg; 1156 1157 /* 1158 * If we have NOT been called from cdstrategy() or cddone(), and 1159 * instead from a timeout routine, go ahead and clear the 1160 * timeout flag. 1161 */ 1162 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1163 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1164 called_from_timeout = 1; 1165 } else 1166 called_from_timeout = 0; 1167 1168 /* Always clear the manual call flag */ 1169 changer->flags &= ~CHANGER_MANUAL_CALL; 1170 1171 /* nothing to do if the queue is empty */ 1172 if (changer->devq.entries <= 0) { 1173 return; 1174 } 1175 1176 /* 1177 * If the changer queue is frozen, that means we have an active 1178 * device. 1179 */ 1180 if (changer->devq.qfrozen_cnt[0] > 0) { 1181 1182 /* 1183 * We always need to reset the frozen count and clear the 1184 * active flag. 1185 */ 1186 changer->devq.qfrozen_cnt[0]--; 1187 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1188 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1189 1190 if (changer->cur_device->outstanding_cmds > 0) { 1191 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1192 changer->cur_device->bufs_left = 1193 changer->cur_device->outstanding_cmds; 1194 if (called_from_timeout) { 1195 callout_reset(&changer->long_handle, 1196 changer_max_busy_seconds * hz, 1197 cdrunchangerqueue, changer); 1198 changer->flags |= CHANGER_TIMEOUT_SCHED; 1199 } 1200 return; 1201 } 1202 1203 /* 1204 * Check to see whether the current device has any I/O left 1205 * to do. If so, requeue it at the end of the queue. If 1206 * not, there is no need to requeue it. 1207 */ 1208 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1209 1210 changer->cur_device->pinfo.generation = 1211 ++changer->devq.generation; 1212 camq_insert(&changer->devq, 1213 (cam_pinfo *)changer->cur_device); 1214 } 1215 } 1216 1217 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1218 1219 changer->cur_device = softc; 1220 1221 changer->devq.qfrozen_cnt[0]++; 1222 softc->flags |= CD_FLAG_ACTIVE; 1223 1224 /* Just in case this device is waiting */ 1225 wakeup(&softc->changer); 1226 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1227 1228 /* 1229 * Get rid of any pending timeouts, and set a flag to schedule new 1230 * ones so this device gets its full time quantum. 1231 */ 1232 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1233 callout_stop(&changer->long_handle); 1234 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1235 } 1236 1237 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1238 callout_stop(&changer->short_handle); 1239 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1240 } 1241 1242 /* 1243 * We need to schedule timeouts, but we only do this after the 1244 * first transaction has completed. This eliminates the changer 1245 * switch time. 1246 */ 1247 changer->flags |= CHANGER_NEED_TIMEOUT; 1248} 1249 1250static void 1251cdchangerschedule(struct cd_softc *softc) 1252{ 1253 struct cdchanger *changer; 1254 1255 changer = softc->changer; 1256 1257 /* 1258 * If this is a changer, and this is the current device, 1259 * and this device has at least the minimum time quantum to 1260 * run, see if we can switch it out. 1261 */ 1262 if ((softc->flags & CD_FLAG_ACTIVE) 1263 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1264 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1265 /* 1266 * We try three things here. The first is that we 1267 * check to see whether the schedule on completion 1268 * flag is set. If it is, we decrement the number 1269 * of buffers left, and if it's zero, we reschedule. 1270 * Next, we check to see whether the pending buffer 1271 * queue is empty and whether there are no 1272 * outstanding transactions. If so, we reschedule. 1273 * Next, we see if the pending buffer queue is empty. 1274 * If it is, we set the number of buffers left to 1275 * the current active buffer count and set the 1276 * schedule on complete flag. 1277 */ 1278 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1279 if (--softc->bufs_left == 0) { 1280 softc->changer->flags |= 1281 CHANGER_MANUAL_CALL; 1282 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1283 cdrunchangerqueue(softc->changer); 1284 } 1285 } else if ((bioq_first(&softc->bio_queue) == NULL) 1286 && (softc->outstanding_cmds == 0)) { 1287 softc->changer->flags |= CHANGER_MANUAL_CALL; 1288 cdrunchangerqueue(softc->changer); 1289 } 1290 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1291 && (softc->flags & CD_FLAG_ACTIVE)) { 1292 1293 /* 1294 * Now that the first transaction to this 1295 * particular device has completed, we can go ahead 1296 * and schedule our timeouts. 1297 */ 1298 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1299 callout_reset(&changer->long_handle, 1300 changer_max_busy_seconds * hz, 1301 cdrunchangerqueue, changer); 1302 changer->flags |= CHANGER_TIMEOUT_SCHED; 1303 } else 1304 printf("cdchangerschedule: already have a long" 1305 " timeout!\n"); 1306 1307 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1308 callout_reset(&changer->short_handle, 1309 changer_min_busy_seconds * hz, 1310 cdshorttimeout, changer); 1311 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1312 } else 1313 printf("cdchangerschedule: already have a short " 1314 "timeout!\n"); 1315 1316 /* 1317 * We just scheduled timeouts, no need to schedule 1318 * more. 1319 */ 1320 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1321 1322 } 1323} 1324 1325static int 1326cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1327 u_int32_t cam_flags, 1328 u_int32_t sense_flags), 1329 u_int32_t cam_flags, u_int32_t sense_flags) 1330{ 1331 struct cd_softc *softc; 1332 struct cam_periph *periph; 1333 int error; 1334 1335 periph = xpt_path_periph(ccb->ccb_h.path); 1336 softc = (struct cd_softc *)periph->softc; 1337 1338 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1339 softc->disk->d_devstat); 1340 1341 if (softc->flags & CD_FLAG_CHANGER) 1342 cdchangerschedule(softc); 1343 1344 return(error); 1345} 1346 1347static union ccb * 1348cdgetccb(struct cam_periph *periph, u_int32_t priority) 1349{ 1350 struct cd_softc *softc; 1351 1352 softc = (struct cd_softc *)periph->softc; 1353 1354 if (softc->flags & CD_FLAG_CHANGER) { 1355 /* 1356 * This should work the first time this device is woken up, 1357 * but just in case it doesn't, we use a while loop. 1358 */ 1359 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1360 /* 1361 * If this changer isn't already queued, queue it up. 1362 */ 1363 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1364 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1365 softc->pinfo.generation = 1366 ++softc->changer->devq.generation; 1367 camq_insert(&softc->changer->devq, 1368 (cam_pinfo *)softc); 1369 } 1370 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1371 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1372 && ((softc->changer->flags 1373 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1374 softc->changer->flags |= CHANGER_MANUAL_CALL; 1375 cdrunchangerqueue(softc->changer); 1376 } else 1377 msleep(&softc->changer, periph->sim->mtx, 1378 PRIBIO, "cgticb", 0); 1379 } 1380 } 1381 return(cam_periph_getccb(periph, priority)); 1382} 1383 1384 1385/* 1386 * Actually translate the requested transfer into one the physical driver 1387 * can understand. The transfer is described by a buf and will include 1388 * only one physical transfer. 1389 */ 1390static void 1391cdstrategy(struct bio *bp) 1392{ 1393 struct cam_periph *periph; 1394 struct cd_softc *softc; 1395 1396 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1397 if (periph == NULL) { 1398 biofinish(bp, NULL, ENXIO); 1399 return; 1400 } 1401 1402 cam_periph_lock(periph); 1403 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1404 ("cdstrategy(%p)\n", bp)); 1405 1406 softc = (struct cd_softc *)periph->softc; 1407 1408 /* 1409 * If the device has been made invalid, error out 1410 */ 1411 if ((softc->flags & CD_FLAG_INVALID)) { 1412 cam_periph_unlock(periph); 1413 biofinish(bp, NULL, ENXIO); 1414 return; 1415 } 1416 1417 /* 1418 * If we don't have valid media, look for it before trying to 1419 * schedule the I/O. 1420 */ 1421 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1422 int error; 1423 1424 error = cdcheckmedia(periph); 1425 if (error != 0) { 1426 cam_periph_unlock(periph); 1427 biofinish(bp, NULL, error); 1428 return; 1429 } 1430 } 1431 1432 /* 1433 * Place it in the queue of disk activities for this disk 1434 */ 1435 bioq_disksort(&softc->bio_queue, bp); 1436 1437 /* 1438 * Schedule ourselves for performing the work. We do things 1439 * differently for changers. 1440 */ 1441 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1442 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1443 else 1444 cdschedule(periph, CAM_PRIORITY_NORMAL); 1445 1446 cam_periph_unlock(periph); 1447 return; 1448} 1449 1450static void 1451cdstart(struct cam_periph *periph, union ccb *start_ccb) 1452{ 1453 struct cd_softc *softc; 1454 struct bio *bp; 1455 struct ccb_scsiio *csio; 1456 struct scsi_read_capacity_data *rcap; 1457 1458 softc = (struct cd_softc *)periph->softc; 1459 1460 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1461 1462 switch (softc->state) { 1463 case CD_STATE_NORMAL: 1464 { 1465 bp = bioq_first(&softc->bio_queue); 1466 if (periph->immediate_priority <= periph->pinfo.priority) { 1467 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1468 1469 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1470 periph_links.sle); 1471 periph->immediate_priority = CAM_PRIORITY_NONE; 1472 wakeup(&periph->ccb_list); 1473 } else if (bp == NULL) { 1474 xpt_release_ccb(start_ccb); 1475 } else { 1476 bioq_remove(&softc->bio_queue, bp); 1477 1478 scsi_read_write(&start_ccb->csio, 1479 /*retries*/ cd_retry_count, 1480 /* cbfcnp */ cddone, 1481 MSG_SIMPLE_Q_TAG, 1482 /* read */bp->bio_cmd == BIO_READ, 1483 /* byte2 */ 0, 1484 /* minimum_cmd_size */ 10, 1485 /* lba */ bp->bio_offset / 1486 softc->params.blksize, 1487 bp->bio_bcount / softc->params.blksize, 1488 /* data_ptr */ bp->bio_data, 1489 /* dxfer_len */ bp->bio_bcount, 1490 /* sense_len */ SSD_FULL_SIZE, 1491 /* timeout */ 30000); 1492 /* Use READ CD command for audio tracks. */ 1493 if (softc->params.blksize == 2352) { 1494 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 1495 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 1496 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 1497 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 1498 start_ccb->csio.cdb_len = 12; 1499 } 1500 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1501 1502 1503 LIST_INSERT_HEAD(&softc->pending_ccbs, 1504 &start_ccb->ccb_h, periph_links.le); 1505 softc->outstanding_cmds++; 1506 1507 /* We expect a unit attention from this device */ 1508 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1509 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1510 softc->flags &= ~CD_FLAG_RETRY_UA; 1511 } 1512 1513 start_ccb->ccb_h.ccb_bp = bp; 1514 bp = bioq_first(&softc->bio_queue); 1515 1516 xpt_action(start_ccb); 1517 } 1518 if (bp != NULL) { 1519 /* Have more work to do, so ensure we stay scheduled */ 1520 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1521 } 1522 break; 1523 } 1524 case CD_STATE_PROBE: 1525 { 1526 1527 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1528 M_SCSICD, M_NOWAIT | M_ZERO); 1529 if (rcap == NULL) { 1530 xpt_print(periph->path, 1531 "cdstart: Couldn't malloc read_capacity data\n"); 1532 /* cd_free_periph??? */ 1533 break; 1534 } 1535 csio = &start_ccb->csio; 1536 scsi_read_capacity(csio, 1537 /*retries*/ cd_retry_count, 1538 cddone, 1539 MSG_SIMPLE_Q_TAG, 1540 rcap, 1541 SSD_FULL_SIZE, 1542 /*timeout*/20000); 1543 start_ccb->ccb_h.ccb_bp = NULL; 1544 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1545 xpt_action(start_ccb); 1546 break; 1547 } 1548 } 1549} 1550 1551static void 1552cddone(struct cam_periph *periph, union ccb *done_ccb) 1553{ 1554 struct cd_softc *softc; 1555 struct ccb_scsiio *csio; 1556 1557 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1558 1559 softc = (struct cd_softc *)periph->softc; 1560 csio = &done_ccb->csio; 1561 1562 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1563 case CD_CCB_BUFFER_IO: 1564 { 1565 struct bio *bp; 1566 int error; 1567 1568 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1569 error = 0; 1570 1571 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1572 int sf; 1573 1574 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1575 sf = SF_RETRY_UA; 1576 else 1577 sf = 0; 1578 1579 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1580 if (error == ERESTART) { 1581 /* 1582 * A retry was scheuled, so 1583 * just return. 1584 */ 1585 return; 1586 } 1587 } 1588 1589 if (error != 0) { 1590 xpt_print(periph->path, 1591 "cddone: got error %#x back\n", error); 1592 bioq_flush(&softc->bio_queue, NULL, EIO); 1593 bp->bio_resid = bp->bio_bcount; 1594 bp->bio_error = error; 1595 bp->bio_flags |= BIO_ERROR; 1596 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1597 cam_release_devq(done_ccb->ccb_h.path, 1598 /*relsim_flags*/0, 1599 /*reduction*/0, 1600 /*timeout*/0, 1601 /*getcount_only*/0); 1602 1603 } else { 1604 bp->bio_resid = csio->resid; 1605 bp->bio_error = 0; 1606 if (bp->bio_resid != 0) { 1607 /* 1608 * Short transfer ??? 1609 * XXX: not sure this is correct for partial 1610 * transfers at EOM 1611 */ 1612 bp->bio_flags |= BIO_ERROR; 1613 } 1614 } 1615 1616 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1617 softc->outstanding_cmds--; 1618 1619 if (softc->flags & CD_FLAG_CHANGER) 1620 cdchangerschedule(softc); 1621 1622 biofinish(bp, NULL, 0); 1623 break; 1624 } 1625 case CD_CCB_PROBE: 1626 { 1627 struct scsi_read_capacity_data *rdcap; 1628 char announce_buf[120]; /* 1629 * Currently (9/30/97) the 1630 * longest possible announce 1631 * buffer is 108 bytes, for the 1632 * first error case below. 1633 * That is 39 bytes for the 1634 * basic string, 16 bytes for the 1635 * biggest sense key (hardware 1636 * error), 52 bytes for the 1637 * text of the largest sense 1638 * qualifier valid for a CDROM, 1639 * (0x72, 0x03 or 0x04, 1640 * 0x03), and one byte for the 1641 * null terminating character. 1642 * To allow for longer strings, 1643 * the announce buffer is 120 1644 * bytes. 1645 */ 1646 struct cd_params *cdp; 1647 1648 cdp = &softc->params; 1649 1650 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1651 1652 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1653 cdp->blksize = scsi_4btoul (rdcap->length); 1654 1655 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1656 1657 snprintf(announce_buf, sizeof(announce_buf), 1658 "cd present [%lu x %lu byte records]", 1659 cdp->disksize, (u_long)cdp->blksize); 1660 1661 } else { 1662 int error; 1663 /* 1664 * Retry any UNIT ATTENTION type errors. They 1665 * are expected at boot. 1666 */ 1667 error = cderror(done_ccb, CAM_RETRY_SELTO, 1668 SF_RETRY_UA | SF_NO_PRINT); 1669 if (error == ERESTART) { 1670 /* 1671 * A retry was scheuled, so 1672 * just return. 1673 */ 1674 return; 1675 } else if (error != 0) { 1676 1677 struct scsi_sense_data *sense; 1678 int asc, ascq; 1679 int sense_key, error_code; 1680 int have_sense; 1681 cam_status status; 1682 struct ccb_getdev cgd; 1683 1684 /* Don't wedge this device's queue */ 1685 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1686 cam_release_devq(done_ccb->ccb_h.path, 1687 /*relsim_flags*/0, 1688 /*reduction*/0, 1689 /*timeout*/0, 1690 /*getcount_only*/0); 1691 1692 status = done_ccb->ccb_h.status; 1693 1694 xpt_setup_ccb(&cgd.ccb_h, 1695 done_ccb->ccb_h.path, 1696 CAM_PRIORITY_NORMAL); 1697 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1698 xpt_action((union ccb *)&cgd); 1699 1700 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1701 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1702 || ((status & CAM_AUTOSNS_VALID) == 0)) 1703 have_sense = FALSE; 1704 else 1705 have_sense = TRUE; 1706 1707 if (have_sense) { 1708 sense = &csio->sense_data; 1709 scsi_extract_sense_len(sense, 1710 csio->sense_len - csio->sense_resid, 1711 &error_code, &sense_key, &asc, 1712 &ascq, /*show_errors*/ 1); 1713 } 1714 /* 1715 * Attach to anything that claims to be a 1716 * CDROM or WORM device, as long as it 1717 * doesn't return a "Logical unit not 1718 * supported" (0x25) error. 1719 */ 1720 if ((have_sense) && (asc != 0x25) 1721 && (error_code == SSD_CURRENT_ERROR)) { 1722 const char *sense_key_desc; 1723 const char *asc_desc; 1724 1725 scsi_sense_desc(sense_key, asc, ascq, 1726 &cgd.inq_data, 1727 &sense_key_desc, 1728 &asc_desc); 1729 snprintf(announce_buf, 1730 sizeof(announce_buf), 1731 "Attempt to query device " 1732 "size failed: %s, %s", 1733 sense_key_desc, 1734 asc_desc); 1735 } else if ((have_sense == 0) 1736 && ((status & CAM_STATUS_MASK) == 1737 CAM_SCSI_STATUS_ERROR) 1738 && (csio->scsi_status == 1739 SCSI_STATUS_BUSY)) { 1740 snprintf(announce_buf, 1741 sizeof(announce_buf), 1742 "Attempt to query device " 1743 "size failed: SCSI Status: %s", 1744 scsi_status_string(csio)); 1745 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1746 /* 1747 * We only print out an error for 1748 * CDROM type devices. For WORM 1749 * devices, we don't print out an 1750 * error since a few WORM devices 1751 * don't support CDROM commands. 1752 * If we have sense information, go 1753 * ahead and print it out. 1754 * Otherwise, just say that we 1755 * couldn't attach. 1756 */ 1757 1758 /* 1759 * Just print out the error, not 1760 * the full probe message, when we 1761 * don't attach. 1762 */ 1763 if (have_sense) 1764 scsi_sense_print( 1765 &done_ccb->csio); 1766 else { 1767 xpt_print(periph->path, 1768 "got CAM status %#x\n", 1769 done_ccb->ccb_h.status); 1770 } 1771 xpt_print(periph->path, "fatal error, " 1772 "failed to attach to device\n"); 1773 /* 1774 * Invalidate this peripheral. 1775 */ 1776 cam_periph_invalidate(periph); 1777 1778 announce_buf[0] = '\0'; 1779 } else { 1780 1781 /* 1782 * Invalidate this peripheral. 1783 */ 1784 cam_periph_invalidate(periph); 1785 announce_buf[0] = '\0'; 1786 } 1787 } 1788 } 1789 free(rdcap, M_SCSICD); 1790 if (announce_buf[0] != '\0') { 1791 xpt_announce_periph(periph, announce_buf); 1792 if (softc->flags & CD_FLAG_CHANGER) 1793 cdchangerschedule(softc); 1794 /* 1795 * Create our sysctl variables, now that we know 1796 * we have successfully attached. 1797 */ 1798 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1799 } 1800 softc->state = CD_STATE_NORMAL; 1801 /* 1802 * Since our peripheral may be invalidated by an error 1803 * above or an external event, we must release our CCB 1804 * before releasing the probe lock on the peripheral. 1805 * The peripheral will only go away once the last lock 1806 * is removed, and we need it around for the CCB release 1807 * operation. 1808 */ 1809 xpt_release_ccb(done_ccb); 1810 cam_periph_unhold(periph); 1811 return; 1812 } 1813 case CD_CCB_WAITING: 1814 { 1815 /* Caller will release the CCB */ 1816 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1817 ("trying to wakeup ccbwait\n")); 1818 1819 wakeup(&done_ccb->ccb_h.cbfcnp); 1820 return; 1821 } 1822 default: 1823 break; 1824 } 1825 xpt_release_ccb(done_ccb); 1826} 1827 1828static union cd_pages * 1829cdgetpage(struct cd_mode_params *mode_params) 1830{ 1831 union cd_pages *page; 1832 1833 if (mode_params->cdb_size == 10) 1834 page = (union cd_pages *)find_mode_page_10( 1835 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1836 else 1837 page = (union cd_pages *)find_mode_page_6( 1838 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1839 1840 return (page); 1841} 1842 1843static int 1844cdgetpagesize(int page_num) 1845{ 1846 int i; 1847 1848 for (i = 0; i < (sizeof(cd_page_size_table)/ 1849 sizeof(cd_page_size_table[0])); i++) { 1850 if (cd_page_size_table[i].page == page_num) 1851 return (cd_page_size_table[i].page_size); 1852 } 1853 1854 return (-1); 1855} 1856 1857static int 1858cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1859{ 1860 1861 struct cam_periph *periph; 1862 struct cd_softc *softc; 1863 int nocopyout, error = 0; 1864 1865 periph = (struct cam_periph *)dp->d_drv1; 1866 if (periph == NULL) 1867 return(ENXIO); 1868 1869 cam_periph_lock(periph); 1870 1871 softc = (struct cd_softc *)periph->softc; 1872 1873 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1874 ("cdioctl(%#lx)\n", cmd)); 1875 1876 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1877 cam_periph_unlock(periph); 1878 cam_periph_release(periph); 1879 return (error); 1880 } 1881 1882 /* 1883 * If we don't have media loaded, check for it. If still don't 1884 * have media loaded, we can only do a load or eject. 1885 * 1886 * We only care whether media is loaded if this is a cd-specific ioctl 1887 * (thus the IOCGROUP check below). Note that this will break if 1888 * anyone adds any ioctls into the switch statement below that don't 1889 * have their ioctl group set to 'c'. 1890 */ 1891 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1892 && ((cmd != CDIOCCLOSE) 1893 && (cmd != CDIOCEJECT)) 1894 && (IOCGROUP(cmd) == 'c')) { 1895 error = cdcheckmedia(periph); 1896 if (error != 0) { 1897 cam_periph_unhold(periph); 1898 cam_periph_unlock(periph); 1899 return (error); 1900 } 1901 } 1902 /* 1903 * Drop the lock here so later mallocs can use WAITOK. The periph 1904 * is essentially locked still with the cam_periph_hold call above. 1905 */ 1906 cam_periph_unlock(periph); 1907 1908 nocopyout = 0; 1909 switch (cmd) { 1910 1911 case CDIOCPLAYTRACKS: 1912 { 1913 struct ioc_play_track *args 1914 = (struct ioc_play_track *) addr; 1915 struct cd_mode_params params; 1916 union cd_pages *page; 1917 1918 params.alloc_len = sizeof(union cd_mode_data_6_10); 1919 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1920 M_WAITOK | M_ZERO); 1921 1922 cam_periph_lock(periph); 1923 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1924 ("trying to do CDIOCPLAYTRACKS\n")); 1925 1926 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1927 if (error) { 1928 free(params.mode_buf, M_SCSICD); 1929 cam_periph_unlock(periph); 1930 break; 1931 } 1932 page = cdgetpage(¶ms); 1933 1934 page->audio.flags &= ~CD_PA_SOTC; 1935 page->audio.flags |= CD_PA_IMMED; 1936 error = cdsetmode(periph, ¶ms); 1937 free(params.mode_buf, M_SCSICD); 1938 if (error) { 1939 cam_periph_unlock(periph); 1940 break; 1941 } 1942 1943 /* 1944 * This was originally implemented with the PLAY 1945 * AUDIO TRACK INDEX command, but that command was 1946 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1947 * drives support it but ATAPI and ATAPI-derivative 1948 * drives don't seem to support it. So we keep a 1949 * cache of the table of contents and translate 1950 * track numbers to MSF format. 1951 */ 1952 if (softc->flags & CD_FLAG_VALID_TOC) { 1953 union msf_lba *sentry, *eentry; 1954 int st, et; 1955 1956 if (args->end_track < 1957 softc->toc.header.ending_track + 1) 1958 args->end_track++; 1959 if (args->end_track > 1960 softc->toc.header.ending_track + 1) 1961 args->end_track = 1962 softc->toc.header.ending_track + 1; 1963 st = args->start_track - 1964 softc->toc.header.starting_track; 1965 et = args->end_track - 1966 softc->toc.header.starting_track; 1967 if ((st < 0) 1968 || (et < 0) 1969 || (st > (softc->toc.header.ending_track - 1970 softc->toc.header.starting_track))) { 1971 error = EINVAL; 1972 break; 1973 } 1974 sentry = &softc->toc.entries[st].addr; 1975 eentry = &softc->toc.entries[et].addr; 1976 error = cdplaymsf(periph, 1977 sentry->msf.minute, 1978 sentry->msf.second, 1979 sentry->msf.frame, 1980 eentry->msf.minute, 1981 eentry->msf.second, 1982 eentry->msf.frame); 1983 } else { 1984 /* 1985 * If we don't have a valid TOC, try the 1986 * play track index command. It is part of 1987 * the SCSI-2 spec, but was removed in the 1988 * MMC specs. ATAPI and ATAPI-derived 1989 * drives don't support it. 1990 */ 1991 if (softc->quirks & CD_Q_BCD_TRACKS) { 1992 args->start_track = 1993 bin2bcd(args->start_track); 1994 args->end_track = 1995 bin2bcd(args->end_track); 1996 } 1997 error = cdplaytracks(periph, 1998 args->start_track, 1999 args->start_index, 2000 args->end_track, 2001 args->end_index); 2002 } 2003 cam_periph_unlock(periph); 2004 } 2005 break; 2006 case CDIOCPLAYMSF: 2007 { 2008 struct ioc_play_msf *args 2009 = (struct ioc_play_msf *) addr; 2010 struct cd_mode_params params; 2011 union cd_pages *page; 2012 2013 params.alloc_len = sizeof(union cd_mode_data_6_10); 2014 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2015 M_WAITOK | M_ZERO); 2016 2017 cam_periph_lock(periph); 2018 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2019 ("trying to do CDIOCPLAYMSF\n")); 2020 2021 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2022 if (error) { 2023 free(params.mode_buf, M_SCSICD); 2024 cam_periph_unlock(periph); 2025 break; 2026 } 2027 page = cdgetpage(¶ms); 2028 2029 page->audio.flags &= ~CD_PA_SOTC; 2030 page->audio.flags |= CD_PA_IMMED; 2031 error = cdsetmode(periph, ¶ms); 2032 free(params.mode_buf, M_SCSICD); 2033 if (error) { 2034 cam_periph_unlock(periph); 2035 break; 2036 } 2037 error = cdplaymsf(periph, 2038 args->start_m, 2039 args->start_s, 2040 args->start_f, 2041 args->end_m, 2042 args->end_s, 2043 args->end_f); 2044 cam_periph_unlock(periph); 2045 } 2046 break; 2047 case CDIOCPLAYBLOCKS: 2048 { 2049 struct ioc_play_blocks *args 2050 = (struct ioc_play_blocks *) addr; 2051 struct cd_mode_params params; 2052 union cd_pages *page; 2053 2054 params.alloc_len = sizeof(union cd_mode_data_6_10); 2055 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2056 M_WAITOK | M_ZERO); 2057 2058 cam_periph_lock(periph); 2059 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2060 ("trying to do CDIOCPLAYBLOCKS\n")); 2061 2062 2063 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2064 if (error) { 2065 free(params.mode_buf, M_SCSICD); 2066 cam_periph_unlock(periph); 2067 break; 2068 } 2069 page = cdgetpage(¶ms); 2070 2071 page->audio.flags &= ~CD_PA_SOTC; 2072 page->audio.flags |= CD_PA_IMMED; 2073 error = cdsetmode(periph, ¶ms); 2074 free(params.mode_buf, M_SCSICD); 2075 if (error) { 2076 cam_periph_unlock(periph); 2077 break; 2078 } 2079 error = cdplay(periph, args->blk, args->len); 2080 cam_periph_unlock(periph); 2081 } 2082 break; 2083 case CDIOCREADSUBCHANNEL_SYSSPACE: 2084 nocopyout = 1; 2085 /* Fallthrough */ 2086 case CDIOCREADSUBCHANNEL: 2087 { 2088 struct ioc_read_subchannel *args 2089 = (struct ioc_read_subchannel *) addr; 2090 struct cd_sub_channel_info *data; 2091 u_int32_t len = args->data_len; 2092 2093 data = malloc(sizeof(struct cd_sub_channel_info), 2094 M_SCSICD, M_WAITOK | M_ZERO); 2095 2096 cam_periph_lock(periph); 2097 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2098 ("trying to do CDIOCREADSUBCHANNEL\n")); 2099 2100 if ((len > sizeof(struct cd_sub_channel_info)) || 2101 (len < sizeof(struct cd_sub_channel_header))) { 2102 printf( 2103 "scsi_cd: cdioctl: " 2104 "cdioreadsubchannel: error, len=%d\n", 2105 len); 2106 error = EINVAL; 2107 free(data, M_SCSICD); 2108 cam_periph_unlock(periph); 2109 break; 2110 } 2111 2112 if (softc->quirks & CD_Q_BCD_TRACKS) 2113 args->track = bin2bcd(args->track); 2114 2115 error = cdreadsubchannel(periph, args->address_format, 2116 args->data_format, args->track, data, len); 2117 2118 if (error) { 2119 free(data, M_SCSICD); 2120 cam_periph_unlock(periph); 2121 break; 2122 } 2123 if (softc->quirks & CD_Q_BCD_TRACKS) 2124 data->what.track_info.track_number = 2125 bcd2bin(data->what.track_info.track_number); 2126 len = min(len, ((data->header.data_len[0] << 8) + 2127 data->header.data_len[1] + 2128 sizeof(struct cd_sub_channel_header))); 2129 cam_periph_unlock(periph); 2130 if (nocopyout == 0) { 2131 if (copyout(data, args->data, len) != 0) { 2132 error = EFAULT; 2133 } 2134 } else { 2135 bcopy(data, args->data, len); 2136 } 2137 free(data, M_SCSICD); 2138 } 2139 break; 2140 2141 case CDIOREADTOCHEADER: 2142 { 2143 struct ioc_toc_header *th; 2144 2145 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2146 M_WAITOK | M_ZERO); 2147 2148 cam_periph_lock(periph); 2149 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2150 ("trying to do CDIOREADTOCHEADER\n")); 2151 2152 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2153 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 2154 if (error) { 2155 free(th, M_SCSICD); 2156 cam_periph_unlock(periph); 2157 break; 2158 } 2159 if (softc->quirks & CD_Q_BCD_TRACKS) { 2160 /* we are going to have to convert the BCD 2161 * encoding on the cd to what is expected 2162 */ 2163 th->starting_track = 2164 bcd2bin(th->starting_track); 2165 th->ending_track = bcd2bin(th->ending_track); 2166 } 2167 th->len = ntohs(th->len); 2168 bcopy(th, addr, sizeof(*th)); 2169 free(th, M_SCSICD); 2170 cam_periph_unlock(periph); 2171 } 2172 break; 2173 case CDIOREADTOCENTRYS: 2174 { 2175 struct cd_tocdata *data; 2176 struct cd_toc_single *lead; 2177 struct ioc_read_toc_entry *te = 2178 (struct ioc_read_toc_entry *) addr; 2179 struct ioc_toc_header *th; 2180 u_int32_t len, readlen, idx, num; 2181 u_int32_t starting_track = te->starting_track; 2182 2183 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2184 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2185 2186 cam_periph_lock(periph); 2187 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2188 ("trying to do CDIOREADTOCENTRYS\n")); 2189 2190 if (te->data_len < sizeof(struct cd_toc_entry) 2191 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2192 || (te->address_format != CD_MSF_FORMAT 2193 && te->address_format != CD_LBA_FORMAT)) { 2194 error = EINVAL; 2195 printf("scsi_cd: error in readtocentries, " 2196 "returning EINVAL\n"); 2197 free(data, M_SCSICD); 2198 free(lead, M_SCSICD); 2199 cam_periph_unlock(periph); 2200 break; 2201 } 2202 2203 th = &data->header; 2204 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2205 sizeof (*th), /*sense_flags*/0); 2206 if (error) { 2207 free(data, M_SCSICD); 2208 free(lead, M_SCSICD); 2209 cam_periph_unlock(periph); 2210 break; 2211 } 2212 2213 if (softc->quirks & CD_Q_BCD_TRACKS) { 2214 /* we are going to have to convert the BCD 2215 * encoding on the cd to what is expected 2216 */ 2217 th->starting_track = 2218 bcd2bin(th->starting_track); 2219 th->ending_track = bcd2bin(th->ending_track); 2220 } 2221 2222 if (starting_track == 0) 2223 starting_track = th->starting_track; 2224 else if (starting_track == LEADOUT) 2225 starting_track = th->ending_track + 1; 2226 else if (starting_track < th->starting_track || 2227 starting_track > th->ending_track + 1) { 2228 printf("scsi_cd: error in readtocentries, " 2229 "returning EINVAL\n"); 2230 free(data, M_SCSICD); 2231 free(lead, M_SCSICD); 2232 cam_periph_unlock(periph); 2233 error = EINVAL; 2234 break; 2235 } 2236 2237 /* calculate reading length without leadout entry */ 2238 readlen = (th->ending_track - starting_track + 1) * 2239 sizeof(struct cd_toc_entry); 2240 2241 /* and with leadout entry */ 2242 len = readlen + sizeof(struct cd_toc_entry); 2243 if (te->data_len < len) { 2244 len = te->data_len; 2245 if (readlen > len) 2246 readlen = len; 2247 } 2248 if (len > sizeof(data->entries)) { 2249 printf("scsi_cd: error in readtocentries, " 2250 "returning EINVAL\n"); 2251 error = EINVAL; 2252 free(data, M_SCSICD); 2253 free(lead, M_SCSICD); 2254 cam_periph_unlock(periph); 2255 break; 2256 } 2257 num = len / sizeof(struct cd_toc_entry); 2258 2259 if (readlen > 0) { 2260 error = cdreadtoc(periph, te->address_format, 2261 starting_track, 2262 (u_int8_t *)data, 2263 readlen + sizeof (*th), 2264 /*sense_flags*/0); 2265 if (error) { 2266 free(data, M_SCSICD); 2267 free(lead, M_SCSICD); 2268 cam_periph_unlock(periph); 2269 break; 2270 } 2271 } 2272 2273 /* make leadout entry if needed */ 2274 idx = starting_track + num - 1; 2275 if (softc->quirks & CD_Q_BCD_TRACKS) 2276 th->ending_track = bcd2bin(th->ending_track); 2277 if (idx == th->ending_track + 1) { 2278 error = cdreadtoc(periph, te->address_format, 2279 LEADOUT, (u_int8_t *)lead, 2280 sizeof(*lead), 2281 /*sense_flags*/0); 2282 if (error) { 2283 free(data, M_SCSICD); 2284 free(lead, M_SCSICD); 2285 cam_periph_unlock(periph); 2286 break; 2287 } 2288 data->entries[idx - starting_track] = 2289 lead->entry; 2290 } 2291 if (softc->quirks & CD_Q_BCD_TRACKS) { 2292 for (idx = 0; idx < num - 1; idx++) { 2293 data->entries[idx].track = 2294 bcd2bin(data->entries[idx].track); 2295 } 2296 } 2297 2298 cam_periph_unlock(periph); 2299 error = copyout(data->entries, te->data, len); 2300 free(data, M_SCSICD); 2301 free(lead, M_SCSICD); 2302 } 2303 break; 2304 case CDIOREADTOCENTRY: 2305 { 2306 struct cd_toc_single *data; 2307 struct ioc_read_toc_single_entry *te = 2308 (struct ioc_read_toc_single_entry *) addr; 2309 struct ioc_toc_header *th; 2310 u_int32_t track; 2311 2312 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2313 2314 cam_periph_lock(periph); 2315 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2316 ("trying to do CDIOREADTOCENTRY\n")); 2317 2318 if (te->address_format != CD_MSF_FORMAT 2319 && te->address_format != CD_LBA_FORMAT) { 2320 printf("error in readtocentry, " 2321 " returning EINVAL\n"); 2322 free(data, M_SCSICD); 2323 error = EINVAL; 2324 cam_periph_unlock(periph); 2325 break; 2326 } 2327 2328 th = &data->header; 2329 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2330 sizeof (*th), /*sense_flags*/0); 2331 if (error) { 2332 free(data, M_SCSICD); 2333 cam_periph_unlock(periph); 2334 break; 2335 } 2336 2337 if (softc->quirks & CD_Q_BCD_TRACKS) { 2338 /* we are going to have to convert the BCD 2339 * encoding on the cd to what is expected 2340 */ 2341 th->starting_track = 2342 bcd2bin(th->starting_track); 2343 th->ending_track = bcd2bin(th->ending_track); 2344 } 2345 track = te->track; 2346 if (track == 0) 2347 track = th->starting_track; 2348 else if (track == LEADOUT) 2349 /* OK */; 2350 else if (track < th->starting_track || 2351 track > th->ending_track + 1) { 2352 printf("error in readtocentry, " 2353 " returning EINVAL\n"); 2354 free(data, M_SCSICD); 2355 error = EINVAL; 2356 cam_periph_unlock(periph); 2357 break; 2358 } 2359 2360 error = cdreadtoc(periph, te->address_format, track, 2361 (u_int8_t *)data, sizeof(*data), 2362 /*sense_flags*/0); 2363 if (error) { 2364 free(data, M_SCSICD); 2365 cam_periph_unlock(periph); 2366 break; 2367 } 2368 2369 if (softc->quirks & CD_Q_BCD_TRACKS) 2370 data->entry.track = bcd2bin(data->entry.track); 2371 bcopy(&data->entry, &te->entry, 2372 sizeof(struct cd_toc_entry)); 2373 free(data, M_SCSICD); 2374 cam_periph_unlock(periph); 2375 } 2376 break; 2377 case CDIOCSETPATCH: 2378 { 2379 struct ioc_patch *arg = (struct ioc_patch *)addr; 2380 struct cd_mode_params params; 2381 union cd_pages *page; 2382 2383 params.alloc_len = sizeof(union cd_mode_data_6_10); 2384 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2385 M_WAITOK | M_ZERO); 2386 2387 cam_periph_lock(periph); 2388 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2389 ("trying to do CDIOCSETPATCH\n")); 2390 2391 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2392 if (error) { 2393 free(params.mode_buf, M_SCSICD); 2394 cam_periph_unlock(periph); 2395 break; 2396 } 2397 page = cdgetpage(¶ms); 2398 2399 page->audio.port[LEFT_PORT].channels = 2400 arg->patch[0]; 2401 page->audio.port[RIGHT_PORT].channels = 2402 arg->patch[1]; 2403 page->audio.port[2].channels = arg->patch[2]; 2404 page->audio.port[3].channels = arg->patch[3]; 2405 error = cdsetmode(periph, ¶ms); 2406 free(params.mode_buf, M_SCSICD); 2407 cam_periph_unlock(periph); 2408 } 2409 break; 2410 case CDIOCGETVOL: 2411 { 2412 struct ioc_vol *arg = (struct ioc_vol *) addr; 2413 struct cd_mode_params params; 2414 union cd_pages *page; 2415 2416 params.alloc_len = sizeof(union cd_mode_data_6_10); 2417 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2418 M_WAITOK | M_ZERO); 2419 2420 cam_periph_lock(periph); 2421 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2422 ("trying to do CDIOCGETVOL\n")); 2423 2424 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2425 if (error) { 2426 free(params.mode_buf, M_SCSICD); 2427 cam_periph_unlock(periph); 2428 break; 2429 } 2430 page = cdgetpage(¶ms); 2431 2432 arg->vol[LEFT_PORT] = 2433 page->audio.port[LEFT_PORT].volume; 2434 arg->vol[RIGHT_PORT] = 2435 page->audio.port[RIGHT_PORT].volume; 2436 arg->vol[2] = page->audio.port[2].volume; 2437 arg->vol[3] = page->audio.port[3].volume; 2438 free(params.mode_buf, M_SCSICD); 2439 cam_periph_unlock(periph); 2440 } 2441 break; 2442 case CDIOCSETVOL: 2443 { 2444 struct ioc_vol *arg = (struct ioc_vol *) addr; 2445 struct cd_mode_params params; 2446 union cd_pages *page; 2447 2448 params.alloc_len = sizeof(union cd_mode_data_6_10); 2449 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2450 M_WAITOK | M_ZERO); 2451 2452 cam_periph_lock(periph); 2453 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2454 ("trying to do CDIOCSETVOL\n")); 2455 2456 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2457 if (error) { 2458 free(params.mode_buf, M_SCSICD); 2459 cam_periph_unlock(periph); 2460 break; 2461 } 2462 page = cdgetpage(¶ms); 2463 2464 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2465 page->audio.port[LEFT_PORT].volume = 2466 arg->vol[LEFT_PORT]; 2467 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2468 page->audio.port[RIGHT_PORT].volume = 2469 arg->vol[RIGHT_PORT]; 2470 page->audio.port[2].volume = arg->vol[2]; 2471 page->audio.port[3].volume = arg->vol[3]; 2472 error = cdsetmode(periph, ¶ms); 2473 cam_periph_unlock(periph); 2474 free(params.mode_buf, M_SCSICD); 2475 } 2476 break; 2477 case CDIOCSETMONO: 2478 { 2479 struct cd_mode_params params; 2480 union cd_pages *page; 2481 2482 params.alloc_len = sizeof(union cd_mode_data_6_10); 2483 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2484 M_WAITOK | M_ZERO); 2485 2486 cam_periph_lock(periph); 2487 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2488 ("trying to do CDIOCSETMONO\n")); 2489 2490 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2491 if (error) { 2492 free(params.mode_buf, M_SCSICD); 2493 cam_periph_unlock(periph); 2494 break; 2495 } 2496 page = cdgetpage(¶ms); 2497 2498 page->audio.port[LEFT_PORT].channels = 2499 LEFT_CHANNEL | RIGHT_CHANNEL; 2500 page->audio.port[RIGHT_PORT].channels = 2501 LEFT_CHANNEL | RIGHT_CHANNEL; 2502 page->audio.port[2].channels = 0; 2503 page->audio.port[3].channels = 0; 2504 error = cdsetmode(periph, ¶ms); 2505 cam_periph_unlock(periph); 2506 free(params.mode_buf, M_SCSICD); 2507 } 2508 break; 2509 case CDIOCSETSTEREO: 2510 { 2511 struct cd_mode_params params; 2512 union cd_pages *page; 2513 2514 params.alloc_len = sizeof(union cd_mode_data_6_10); 2515 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2516 M_WAITOK | M_ZERO); 2517 2518 cam_periph_lock(periph); 2519 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2520 ("trying to do CDIOCSETSTEREO\n")); 2521 2522 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2523 if (error) { 2524 free(params.mode_buf, M_SCSICD); 2525 cam_periph_unlock(periph); 2526 break; 2527 } 2528 page = cdgetpage(¶ms); 2529 2530 page->audio.port[LEFT_PORT].channels = 2531 LEFT_CHANNEL; 2532 page->audio.port[RIGHT_PORT].channels = 2533 RIGHT_CHANNEL; 2534 page->audio.port[2].channels = 0; 2535 page->audio.port[3].channels = 0; 2536 error = cdsetmode(periph, ¶ms); 2537 free(params.mode_buf, M_SCSICD); 2538 cam_periph_unlock(periph); 2539 } 2540 break; 2541 case CDIOCSETMUTE: 2542 { 2543 struct cd_mode_params params; 2544 union cd_pages *page; 2545 2546 params.alloc_len = sizeof(union cd_mode_data_6_10); 2547 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2548 M_WAITOK | M_ZERO); 2549 2550 cam_periph_lock(periph); 2551 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2552 ("trying to do CDIOCSETMUTE\n")); 2553 2554 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2555 if (error) { 2556 free(params.mode_buf, M_SCSICD); 2557 cam_periph_unlock(periph); 2558 break; 2559 } 2560 page = cdgetpage(¶ms); 2561 2562 page->audio.port[LEFT_PORT].channels = 0; 2563 page->audio.port[RIGHT_PORT].channels = 0; 2564 page->audio.port[2].channels = 0; 2565 page->audio.port[3].channels = 0; 2566 error = cdsetmode(periph, ¶ms); 2567 free(params.mode_buf, M_SCSICD); 2568 cam_periph_unlock(periph); 2569 } 2570 break; 2571 case CDIOCSETLEFT: 2572 { 2573 struct cd_mode_params params; 2574 union cd_pages *page; 2575 2576 params.alloc_len = sizeof(union cd_mode_data_6_10); 2577 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2578 M_WAITOK | M_ZERO); 2579 2580 cam_periph_lock(periph); 2581 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2582 ("trying to do CDIOCSETLEFT\n")); 2583 2584 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2585 if (error) { 2586 free(params.mode_buf, M_SCSICD); 2587 cam_periph_unlock(periph); 2588 break; 2589 } 2590 page = cdgetpage(¶ms); 2591 2592 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2593 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2594 page->audio.port[2].channels = 0; 2595 page->audio.port[3].channels = 0; 2596 error = cdsetmode(periph, ¶ms); 2597 free(params.mode_buf, M_SCSICD); 2598 cam_periph_unlock(periph); 2599 } 2600 break; 2601 case CDIOCSETRIGHT: 2602 { 2603 struct cd_mode_params params; 2604 union cd_pages *page; 2605 2606 params.alloc_len = sizeof(union cd_mode_data_6_10); 2607 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2608 M_WAITOK | M_ZERO); 2609 2610 cam_periph_lock(periph); 2611 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2612 ("trying to do CDIOCSETRIGHT\n")); 2613 2614 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2615 if (error) { 2616 free(params.mode_buf, M_SCSICD); 2617 cam_periph_unlock(periph); 2618 break; 2619 } 2620 page = cdgetpage(¶ms); 2621 2622 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2623 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2624 page->audio.port[2].channels = 0; 2625 page->audio.port[3].channels = 0; 2626 error = cdsetmode(periph, ¶ms); 2627 free(params.mode_buf, M_SCSICD); 2628 cam_periph_unlock(periph); 2629 } 2630 break; 2631 case CDIOCRESUME: 2632 cam_periph_lock(periph); 2633 error = cdpause(periph, 1); 2634 cam_periph_unlock(periph); 2635 break; 2636 case CDIOCPAUSE: 2637 cam_periph_lock(periph); 2638 error = cdpause(periph, 0); 2639 cam_periph_unlock(periph); 2640 break; 2641 case CDIOCSTART: 2642 cam_periph_lock(periph); 2643 error = cdstartunit(periph, 0); 2644 cam_periph_unlock(periph); 2645 break; 2646 case CDIOCCLOSE: 2647 cam_periph_lock(periph); 2648 error = cdstartunit(periph, 1); 2649 cam_periph_unlock(periph); 2650 break; 2651 case CDIOCSTOP: 2652 cam_periph_lock(periph); 2653 error = cdstopunit(periph, 0); 2654 cam_periph_unlock(periph); 2655 break; 2656 case CDIOCEJECT: 2657 cam_periph_lock(periph); 2658 error = cdstopunit(periph, 1); 2659 cam_periph_unlock(periph); 2660 break; 2661 case CDIOCALLOW: 2662 cam_periph_lock(periph); 2663 cdprevent(periph, PR_ALLOW); 2664 cam_periph_unlock(periph); 2665 break; 2666 case CDIOCPREVENT: 2667 cam_periph_lock(periph); 2668 cdprevent(periph, PR_PREVENT); 2669 cam_periph_unlock(periph); 2670 break; 2671 case CDIOCSETDEBUG: 2672 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2673 error = ENOTTY; 2674 break; 2675 case CDIOCCLRDEBUG: 2676 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2677 error = ENOTTY; 2678 break; 2679 case CDIOCRESET: 2680 /* return (cd_reset(periph)); */ 2681 error = ENOTTY; 2682 break; 2683 case CDRIOCREADSPEED: 2684 cam_periph_lock(periph); 2685 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2686 cam_periph_unlock(periph); 2687 break; 2688 case CDRIOCWRITESPEED: 2689 cam_periph_lock(periph); 2690 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2691 cam_periph_unlock(periph); 2692 break; 2693 case CDRIOCGETBLOCKSIZE: 2694 *(int *)addr = softc->params.blksize; 2695 break; 2696 case CDRIOCSETBLOCKSIZE: 2697 if (*(int *)addr <= 0) { 2698 error = EINVAL; 2699 break; 2700 } 2701 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2702 break; 2703 case DVDIOCSENDKEY: 2704 case DVDIOCREPORTKEY: { 2705 struct dvd_authinfo *authinfo; 2706 2707 authinfo = (struct dvd_authinfo *)addr; 2708 2709 if (cmd == DVDIOCREPORTKEY) 2710 error = cdreportkey(periph, authinfo); 2711 else 2712 error = cdsendkey(periph, authinfo); 2713 break; 2714 } 2715 case DVDIOCREADSTRUCTURE: { 2716 struct dvd_struct *dvdstruct; 2717 2718 dvdstruct = (struct dvd_struct *)addr; 2719 2720 error = cdreaddvdstructure(periph, dvdstruct); 2721 2722 break; 2723 } 2724 default: 2725 cam_periph_lock(periph); 2726 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2727 cam_periph_unlock(periph); 2728 break; 2729 } 2730 2731 cam_periph_lock(periph); 2732 cam_periph_unhold(periph); 2733 2734 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2735 if (error && bootverbose) { 2736 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2737 } 2738 cam_periph_unlock(periph); 2739 2740 return (error); 2741} 2742 2743static void 2744cdprevent(struct cam_periph *periph, int action) 2745{ 2746 union ccb *ccb; 2747 struct cd_softc *softc; 2748 int error; 2749 2750 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2751 2752 softc = (struct cd_softc *)periph->softc; 2753 2754 if (((action == PR_ALLOW) 2755 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2756 || ((action == PR_PREVENT) 2757 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2758 return; 2759 } 2760 2761 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2762 2763 scsi_prevent(&ccb->csio, 2764 /*retries*/ cd_retry_count, 2765 cddone, 2766 MSG_SIMPLE_Q_TAG, 2767 action, 2768 SSD_FULL_SIZE, 2769 /* timeout */60000); 2770 2771 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2772 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2773 2774 xpt_release_ccb(ccb); 2775 2776 if (error == 0) { 2777 if (action == PR_ALLOW) 2778 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2779 else 2780 softc->flags |= CD_FLAG_DISC_LOCKED; 2781 } 2782} 2783 2784/* 2785 * XXX: the disk media and sector size is only really able to change 2786 * XXX: while the device is closed. 2787 */ 2788static int 2789cdcheckmedia(struct cam_periph *periph) 2790{ 2791 struct cd_softc *softc; 2792 struct ioc_toc_header *toch; 2793 struct cd_toc_single leadout; 2794 u_int32_t size, toclen; 2795 int error, num_entries, cdindex; 2796 2797 softc = (struct cd_softc *)periph->softc; 2798 2799 cdprevent(periph, PR_PREVENT); 2800 softc->disk->d_sectorsize = 2048; 2801 softc->disk->d_mediasize = 0; 2802 2803 /* 2804 * Get the disc size and block size. If we can't get it, we don't 2805 * have media, most likely. 2806 */ 2807 if ((error = cdsize(periph, &size)) != 0) { 2808 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2809 cdprevent(periph, PR_ALLOW); 2810 return (error); 2811 } else { 2812 softc->flags |= CD_FLAG_VALID_MEDIA; 2813 softc->disk->d_sectorsize = softc->params.blksize; 2814 softc->disk->d_mediasize = 2815 (off_t)softc->params.blksize * softc->params.disksize; 2816 } 2817 2818 /* 2819 * Now we check the table of contents. This (currently) is only 2820 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2821 * things like present a separate entry in /dev for each track, 2822 * like that acd(4) driver does. 2823 */ 2824 bzero(&softc->toc, sizeof(softc->toc)); 2825 toch = &softc->toc.header; 2826 /* 2827 * We will get errors here for media that doesn't have a table of 2828 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2829 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2830 * has not been recorded (no complete session) and the Format codes 2831 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2832 * with an INVALID FIELD IN CDB. Devices that are not capable of 2833 * reading an incomplete session on DDC/CD-R/RW media shall report 2834 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2835 * 2836 * So this isn't fatal if we can't read the table of contents, it 2837 * just means that the user won't be able to issue the play tracks 2838 * ioctl, and likely lots of other stuff won't work either. They 2839 * need to burn the CD before we can do a whole lot with it. So 2840 * we don't print anything here if we get an error back. 2841 */ 2842 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2843 SF_NO_PRINT); 2844 /* 2845 * Errors in reading the table of contents aren't fatal, we just 2846 * won't have a valid table of contents cached. 2847 */ 2848 if (error != 0) { 2849 error = 0; 2850 bzero(&softc->toc, sizeof(softc->toc)); 2851 goto bailout; 2852 } 2853 2854 if (softc->quirks & CD_Q_BCD_TRACKS) { 2855 toch->starting_track = bcd2bin(toch->starting_track); 2856 toch->ending_track = bcd2bin(toch->ending_track); 2857 } 2858 2859 /* Number of TOC entries, plus leadout */ 2860 num_entries = (toch->ending_track - toch->starting_track) + 2; 2861 2862 if (num_entries <= 0) 2863 goto bailout; 2864 2865 toclen = num_entries * sizeof(struct cd_toc_entry); 2866 2867 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2868 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2869 SF_NO_PRINT); 2870 if (error != 0) { 2871 error = 0; 2872 bzero(&softc->toc, sizeof(softc->toc)); 2873 goto bailout; 2874 } 2875 2876 if (softc->quirks & CD_Q_BCD_TRACKS) { 2877 toch->starting_track = bcd2bin(toch->starting_track); 2878 toch->ending_track = bcd2bin(toch->ending_track); 2879 } 2880 /* 2881 * XXX KDM is this necessary? Probably only if the drive doesn't 2882 * return leadout information with the table of contents. 2883 */ 2884 cdindex = toch->starting_track + num_entries -1; 2885 if (cdindex == toch->ending_track + 1) { 2886 2887 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2888 (u_int8_t *)&leadout, sizeof(leadout), 2889 SF_NO_PRINT); 2890 if (error != 0) { 2891 error = 0; 2892 goto bailout; 2893 } 2894 softc->toc.entries[cdindex - toch->starting_track] = 2895 leadout.entry; 2896 } 2897 if (softc->quirks & CD_Q_BCD_TRACKS) { 2898 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2899 softc->toc.entries[cdindex].track = 2900 bcd2bin(softc->toc.entries[cdindex].track); 2901 } 2902 } 2903 2904 softc->flags |= CD_FLAG_VALID_TOC; 2905 2906 /* If the first track is audio, correct sector size. */ 2907 if ((softc->toc.entries[0].control & 4) == 0) { 2908 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2909 softc->disk->d_mediasize = 2910 (off_t)softc->params.blksize * softc->params.disksize; 2911 } 2912 2913bailout: 2914 2915 /* 2916 * We unconditionally (re)set the blocksize each time the 2917 * CD device is opened. This is because the CD can change, 2918 * and therefore the blocksize might change. 2919 * XXX problems here if some slice or partition is still 2920 * open with the old size? 2921 */ 2922 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2923 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2924 softc->disk->d_devstat->block_size = softc->params.blksize; 2925 2926 return (error); 2927} 2928 2929static int 2930cdsize(struct cam_periph *periph, u_int32_t *size) 2931{ 2932 struct cd_softc *softc; 2933 union ccb *ccb; 2934 struct scsi_read_capacity_data *rcap_buf; 2935 int error; 2936 2937 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2938 2939 softc = (struct cd_softc *)periph->softc; 2940 2941 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2942 2943 /* XXX Should be M_WAITOK */ 2944 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2945 M_SCSICD, M_NOWAIT | M_ZERO); 2946 if (rcap_buf == NULL) 2947 return (ENOMEM); 2948 2949 scsi_read_capacity(&ccb->csio, 2950 /*retries*/ cd_retry_count, 2951 cddone, 2952 MSG_SIMPLE_Q_TAG, 2953 rcap_buf, 2954 SSD_FULL_SIZE, 2955 /* timeout */20000); 2956 2957 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2958 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2959 2960 xpt_release_ccb(ccb); 2961 2962 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2963 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2964 /* Make sure we got at least some block size. */ 2965 if (error == 0 && softc->params.blksize == 0) 2966 error = EIO; 2967 /* 2968 * SCSI-3 mandates that the reported blocksize shall be 2048. 2969 * Older drives sometimes report funny values, trim it down to 2970 * 2048, or other parts of the kernel will get confused. 2971 * 2972 * XXX we leave drives alone that might report 512 bytes, as 2973 * well as drives reporting more weird sizes like perhaps 4K. 2974 */ 2975 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2976 softc->params.blksize = 2048; 2977 2978 free(rcap_buf, M_SCSICD); 2979 *size = softc->params.disksize; 2980 2981 return (error); 2982 2983} 2984 2985static int 2986cd6byteworkaround(union ccb *ccb) 2987{ 2988 u_int8_t *cdb; 2989 struct cam_periph *periph; 2990 struct cd_softc *softc; 2991 struct cd_mode_params *params; 2992 int frozen, found; 2993 2994 periph = xpt_path_periph(ccb->ccb_h.path); 2995 softc = (struct cd_softc *)periph->softc; 2996 2997 cdb = ccb->csio.cdb_io.cdb_bytes; 2998 2999 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3000 || ((cdb[0] != MODE_SENSE_6) 3001 && (cdb[0] != MODE_SELECT_6))) 3002 return (0); 3003 3004 /* 3005 * Because there is no convenient place to stash the overall 3006 * cd_mode_params structure pointer, we have to grab it like this. 3007 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3008 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3009 * 3010 * XXX It would be nice if, at some point, we could increase the 3011 * number of available peripheral private pointers. Both pointers 3012 * are currently used in most every peripheral driver. 3013 */ 3014 found = 0; 3015 3016 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3017 if (params->mode_buf == ccb->csio.data_ptr) { 3018 found = 1; 3019 break; 3020 } 3021 } 3022 3023 /* 3024 * This shouldn't happen. All mode sense and mode select 3025 * operations in the cd(4) driver MUST go through cdgetmode() and 3026 * cdsetmode()! 3027 */ 3028 if (found == 0) { 3029 xpt_print(periph->path, 3030 "mode buffer not found in mode queue!\n"); 3031 return (0); 3032 } 3033 3034 params->cdb_size = 10; 3035 softc->minimum_command_size = 10; 3036 xpt_print(ccb->ccb_h.path, 3037 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3038 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3039 3040 if (cdb[0] == MODE_SENSE_6) { 3041 struct scsi_mode_sense_10 ms10; 3042 struct scsi_mode_sense_6 *ms6; 3043 int len; 3044 3045 ms6 = (struct scsi_mode_sense_6 *)cdb; 3046 3047 bzero(&ms10, sizeof(ms10)); 3048 ms10.opcode = MODE_SENSE_10; 3049 ms10.byte2 = ms6->byte2; 3050 ms10.page = ms6->page; 3051 3052 /* 3053 * 10 byte mode header, block descriptor, 3054 * sizeof(union cd_pages) 3055 */ 3056 len = sizeof(struct cd_mode_data_10); 3057 ccb->csio.dxfer_len = len; 3058 3059 scsi_ulto2b(len, ms10.length); 3060 ms10.control = ms6->control; 3061 bcopy(&ms10, cdb, 10); 3062 ccb->csio.cdb_len = 10; 3063 } else { 3064 struct scsi_mode_select_10 ms10; 3065 struct scsi_mode_select_6 *ms6; 3066 struct scsi_mode_header_6 *header6; 3067 struct scsi_mode_header_10 *header10; 3068 struct scsi_mode_page_header *page_header; 3069 int blk_desc_len, page_num, page_size, len; 3070 3071 ms6 = (struct scsi_mode_select_6 *)cdb; 3072 3073 bzero(&ms10, sizeof(ms10)); 3074 ms10.opcode = MODE_SELECT_10; 3075 ms10.byte2 = ms6->byte2; 3076 3077 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3078 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3079 3080 page_header = find_mode_page_6(header6); 3081 page_num = page_header->page_code; 3082 3083 blk_desc_len = header6->blk_desc_len; 3084 3085 page_size = cdgetpagesize(page_num); 3086 3087 if (page_size != (page_header->page_length + 3088 sizeof(*page_header))) 3089 page_size = page_header->page_length + 3090 sizeof(*page_header); 3091 3092 len = sizeof(*header10) + blk_desc_len + page_size; 3093 3094 len = min(params->alloc_len, len); 3095 3096 /* 3097 * Since the 6 byte parameter header is shorter than the 10 3098 * byte parameter header, we need to copy the actual mode 3099 * page data, and the block descriptor, if any, so things wind 3100 * up in the right place. The regions will overlap, but 3101 * bcopy() does the right thing. 3102 */ 3103 bcopy(params->mode_buf + sizeof(*header6), 3104 params->mode_buf + sizeof(*header10), 3105 len - sizeof(*header10)); 3106 3107 /* Make sure these fields are set correctly. */ 3108 scsi_ulto2b(0, header10->data_length); 3109 header10->medium_type = 0; 3110 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3111 3112 ccb->csio.dxfer_len = len; 3113 3114 scsi_ulto2b(len, ms10.length); 3115 ms10.control = ms6->control; 3116 bcopy(&ms10, cdb, 10); 3117 ccb->csio.cdb_len = 10; 3118 } 3119 3120 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3121 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3122 xpt_action(ccb); 3123 if (frozen) { 3124 cam_release_devq(ccb->ccb_h.path, 3125 /*relsim_flags*/0, 3126 /*openings*/0, 3127 /*timeout*/0, 3128 /*getcount_only*/0); 3129 } 3130 3131 return (ERESTART); 3132} 3133 3134static int 3135cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3136{ 3137 struct cd_softc *softc; 3138 struct cam_periph *periph; 3139 int error; 3140 3141 periph = xpt_path_periph(ccb->ccb_h.path); 3142 softc = (struct cd_softc *)periph->softc; 3143 3144 error = 0; 3145 3146 /* 3147 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3148 * CDB comes back with this particular error, try transforming it 3149 * into the 10 byte version. 3150 */ 3151 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3152 error = cd6byteworkaround(ccb); 3153 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3154 CAM_SCSI_STATUS_ERROR) 3155 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3156 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3157 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3158 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3159 int sense_key, error_code, asc, ascq; 3160 3161 scsi_extract_sense_len(&ccb->csio.sense_data, 3162 ccb->csio.sense_len - ccb->csio.sense_resid, &error_code, 3163 &sense_key, &asc, &ascq, /*show_errors*/ 1); 3164 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3165 error = cd6byteworkaround(ccb); 3166 } 3167 3168 if (error == ERESTART) 3169 return (error); 3170 3171 /* 3172 * XXX 3173 * Until we have a better way of doing pack validation, 3174 * don't treat UAs as errors. 3175 */ 3176 sense_flags |= SF_RETRY_UA; 3177 return (cam_periph_error(ccb, cam_flags, sense_flags, 3178 &softc->saved_ccb)); 3179} 3180 3181/* 3182 * Read table of contents 3183 */ 3184static int 3185cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3186 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3187{ 3188 struct scsi_read_toc *scsi_cmd; 3189 u_int32_t ntoc; 3190 struct ccb_scsiio *csio; 3191 union ccb *ccb; 3192 int error; 3193 3194 ntoc = len; 3195 error = 0; 3196 3197 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3198 3199 csio = &ccb->csio; 3200 3201 cam_fill_csio(csio, 3202 /* retries */ cd_retry_count, 3203 /* cbfcnp */ cddone, 3204 /* flags */ CAM_DIR_IN, 3205 /* tag_action */ MSG_SIMPLE_Q_TAG, 3206 /* data_ptr */ data, 3207 /* dxfer_len */ len, 3208 /* sense_len */ SSD_FULL_SIZE, 3209 sizeof(struct scsi_read_toc), 3210 /* timeout */ 50000); 3211 3212 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3213 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3214 3215 if (mode == CD_MSF_FORMAT) 3216 scsi_cmd->byte2 |= CD_MSF; 3217 scsi_cmd->from_track = start; 3218 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3219 scsi_cmd->data_len[0] = (ntoc) >> 8; 3220 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3221 3222 scsi_cmd->op_code = READ_TOC; 3223 3224 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3225 /*sense_flags*/SF_RETRY_UA | sense_flags); 3226 3227 xpt_release_ccb(ccb); 3228 3229 return(error); 3230} 3231 3232static int 3233cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3234 u_int32_t format, int track, 3235 struct cd_sub_channel_info *data, u_int32_t len) 3236{ 3237 struct scsi_read_subchannel *scsi_cmd; 3238 struct ccb_scsiio *csio; 3239 union ccb *ccb; 3240 int error; 3241 3242 error = 0; 3243 3244 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3245 3246 csio = &ccb->csio; 3247 3248 cam_fill_csio(csio, 3249 /* retries */ cd_retry_count, 3250 /* cbfcnp */ cddone, 3251 /* flags */ CAM_DIR_IN, 3252 /* tag_action */ MSG_SIMPLE_Q_TAG, 3253 /* data_ptr */ (u_int8_t *)data, 3254 /* dxfer_len */ len, 3255 /* sense_len */ SSD_FULL_SIZE, 3256 sizeof(struct scsi_read_subchannel), 3257 /* timeout */ 50000); 3258 3259 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3260 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3261 3262 scsi_cmd->op_code = READ_SUBCHANNEL; 3263 if (mode == CD_MSF_FORMAT) 3264 scsi_cmd->byte1 |= CD_MSF; 3265 scsi_cmd->byte2 = SRS_SUBQ; 3266 scsi_cmd->subchan_format = format; 3267 scsi_cmd->track = track; 3268 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3269 scsi_cmd->control = 0; 3270 3271 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3272 /*sense_flags*/SF_RETRY_UA); 3273 3274 xpt_release_ccb(ccb); 3275 3276 return(error); 3277} 3278 3279 3280/* 3281 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3282 * routine. See comments in cd6byteworkaround() for details. 3283 */ 3284static int 3285cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3286 u_int32_t page) 3287{ 3288 struct ccb_scsiio *csio; 3289 struct cd_softc *softc; 3290 union ccb *ccb; 3291 int param_len; 3292 int error; 3293 3294 softc = (struct cd_softc *)periph->softc; 3295 3296 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3297 3298 csio = &ccb->csio; 3299 3300 data->cdb_size = softc->minimum_command_size; 3301 if (data->cdb_size < 10) 3302 param_len = sizeof(struct cd_mode_data); 3303 else 3304 param_len = sizeof(struct cd_mode_data_10); 3305 3306 /* Don't say we've got more room than we actually allocated */ 3307 param_len = min(param_len, data->alloc_len); 3308 3309 scsi_mode_sense_len(csio, 3310 /* retries */ cd_retry_count, 3311 /* cbfcnp */ cddone, 3312 /* tag_action */ MSG_SIMPLE_Q_TAG, 3313 /* dbd */ 0, 3314 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3315 /* page */ page, 3316 /* param_buf */ data->mode_buf, 3317 /* param_len */ param_len, 3318 /* minimum_cmd_size */ softc->minimum_command_size, 3319 /* sense_len */ SSD_FULL_SIZE, 3320 /* timeout */ 50000); 3321 3322 /* 3323 * It would be nice not to have to do this, but there's no 3324 * available pointer in the CCB that would allow us to stuff the 3325 * mode params structure in there and retrieve it in 3326 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3327 * lets the caller know what CDB size we ended up using, so they 3328 * can find the actual mode page offset. 3329 */ 3330 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3331 3332 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3333 /*sense_flags*/SF_RETRY_UA); 3334 3335 xpt_release_ccb(ccb); 3336 3337 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3338 3339 /* 3340 * This is a bit of belt-and-suspenders checking, but if we run 3341 * into a situation where the target sends back multiple block 3342 * descriptors, we might not have enough space in the buffer to 3343 * see the whole mode page. Better to return an error than 3344 * potentially access memory beyond our malloced region. 3345 */ 3346 if (error == 0) { 3347 u_int32_t data_len; 3348 3349 if (data->cdb_size == 10) { 3350 struct scsi_mode_header_10 *hdr10; 3351 3352 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3353 data_len = scsi_2btoul(hdr10->data_length); 3354 data_len += sizeof(hdr10->data_length); 3355 } else { 3356 struct scsi_mode_header_6 *hdr6; 3357 3358 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3359 data_len = hdr6->data_length; 3360 data_len += sizeof(hdr6->data_length); 3361 } 3362 3363 /* 3364 * Complain if there is more mode data available than we 3365 * allocated space for. This could potentially happen if 3366 * we miscalculated the page length for some reason, if the 3367 * drive returns multiple block descriptors, or if it sets 3368 * the data length incorrectly. 3369 */ 3370 if (data_len > data->alloc_len) { 3371 xpt_print(periph->path, "allocated modepage %d length " 3372 "%d < returned length %d\n", page, data->alloc_len, 3373 data_len); 3374 error = ENOSPC; 3375 } 3376 } 3377 return (error); 3378} 3379 3380/* 3381 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3382 * routine. See comments in cd6byteworkaround() for details. 3383 */ 3384static int 3385cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3386{ 3387 struct ccb_scsiio *csio; 3388 struct cd_softc *softc; 3389 union ccb *ccb; 3390 int cdb_size, param_len; 3391 int error; 3392 3393 softc = (struct cd_softc *)periph->softc; 3394 3395 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3396 3397 csio = &ccb->csio; 3398 3399 error = 0; 3400 3401 /* 3402 * If the data is formatted for the 10 byte version of the mode 3403 * select parameter list, we need to use the 10 byte CDB. 3404 * Otherwise, we use whatever the stored minimum command size. 3405 */ 3406 if (data->cdb_size == 10) 3407 cdb_size = data->cdb_size; 3408 else 3409 cdb_size = softc->minimum_command_size; 3410 3411 if (cdb_size >= 10) { 3412 struct scsi_mode_header_10 *mode_header; 3413 u_int32_t data_len; 3414 3415 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3416 3417 data_len = scsi_2btoul(mode_header->data_length); 3418 3419 scsi_ulto2b(0, mode_header->data_length); 3420 /* 3421 * SONY drives do not allow a mode select with a medium_type 3422 * value that has just been returned by a mode sense; use a 3423 * medium_type of 0 (Default) instead. 3424 */ 3425 mode_header->medium_type = 0; 3426 3427 /* 3428 * Pass back whatever the drive passed to us, plus the size 3429 * of the data length field. 3430 */ 3431 param_len = data_len + sizeof(mode_header->data_length); 3432 3433 } else { 3434 struct scsi_mode_header_6 *mode_header; 3435 3436 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3437 3438 param_len = mode_header->data_length + 1; 3439 3440 mode_header->data_length = 0; 3441 /* 3442 * SONY drives do not allow a mode select with a medium_type 3443 * value that has just been returned by a mode sense; use a 3444 * medium_type of 0 (Default) instead. 3445 */ 3446 mode_header->medium_type = 0; 3447 } 3448 3449 /* Don't say we've got more room than we actually allocated */ 3450 param_len = min(param_len, data->alloc_len); 3451 3452 scsi_mode_select_len(csio, 3453 /* retries */ cd_retry_count, 3454 /* cbfcnp */ cddone, 3455 /* tag_action */ MSG_SIMPLE_Q_TAG, 3456 /* scsi_page_fmt */ 1, 3457 /* save_pages */ 0, 3458 /* param_buf */ data->mode_buf, 3459 /* param_len */ param_len, 3460 /* minimum_cmd_size */ cdb_size, 3461 /* sense_len */ SSD_FULL_SIZE, 3462 /* timeout */ 50000); 3463 3464 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3465 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3466 3467 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3468 /*sense_flags*/SF_RETRY_UA); 3469 3470 xpt_release_ccb(ccb); 3471 3472 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3473 3474 return (error); 3475} 3476 3477 3478static int 3479cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3480{ 3481 struct ccb_scsiio *csio; 3482 union ccb *ccb; 3483 int error; 3484 u_int8_t cdb_len; 3485 3486 error = 0; 3487 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3488 csio = &ccb->csio; 3489 /* 3490 * Use the smallest possible command to perform the operation. 3491 */ 3492 if ((len & 0xffff0000) == 0) { 3493 /* 3494 * We can fit in a 10 byte cdb. 3495 */ 3496 struct scsi_play_10 *scsi_cmd; 3497 3498 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3499 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3500 scsi_cmd->op_code = PLAY_10; 3501 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3502 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3503 cdb_len = sizeof(*scsi_cmd); 3504 } else { 3505 struct scsi_play_12 *scsi_cmd; 3506 3507 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3508 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3509 scsi_cmd->op_code = PLAY_12; 3510 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3511 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3512 cdb_len = sizeof(*scsi_cmd); 3513 } 3514 cam_fill_csio(csio, 3515 /*retries*/ cd_retry_count, 3516 cddone, 3517 /*flags*/CAM_DIR_NONE, 3518 MSG_SIMPLE_Q_TAG, 3519 /*dataptr*/NULL, 3520 /*datalen*/0, 3521 /*sense_len*/SSD_FULL_SIZE, 3522 cdb_len, 3523 /*timeout*/50 * 1000); 3524 3525 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3526 /*sense_flags*/SF_RETRY_UA); 3527 3528 xpt_release_ccb(ccb); 3529 3530 return(error); 3531} 3532 3533static int 3534cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3535 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3536{ 3537 struct scsi_play_msf *scsi_cmd; 3538 struct ccb_scsiio *csio; 3539 union ccb *ccb; 3540 int error; 3541 3542 error = 0; 3543 3544 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3545 3546 csio = &ccb->csio; 3547 3548 cam_fill_csio(csio, 3549 /* retries */ cd_retry_count, 3550 /* cbfcnp */ cddone, 3551 /* flags */ CAM_DIR_NONE, 3552 /* tag_action */ MSG_SIMPLE_Q_TAG, 3553 /* data_ptr */ NULL, 3554 /* dxfer_len */ 0, 3555 /* sense_len */ SSD_FULL_SIZE, 3556 sizeof(struct scsi_play_msf), 3557 /* timeout */ 50000); 3558 3559 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3560 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3561 3562 scsi_cmd->op_code = PLAY_MSF; 3563 scsi_cmd->start_m = startm; 3564 scsi_cmd->start_s = starts; 3565 scsi_cmd->start_f = startf; 3566 scsi_cmd->end_m = endm; 3567 scsi_cmd->end_s = ends; 3568 scsi_cmd->end_f = endf; 3569 3570 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3571 /*sense_flags*/SF_RETRY_UA); 3572 3573 xpt_release_ccb(ccb); 3574 3575 return(error); 3576} 3577 3578 3579static int 3580cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3581 u_int32_t etrack, u_int32_t eindex) 3582{ 3583 struct scsi_play_track *scsi_cmd; 3584 struct ccb_scsiio *csio; 3585 union ccb *ccb; 3586 int error; 3587 3588 error = 0; 3589 3590 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3591 3592 csio = &ccb->csio; 3593 3594 cam_fill_csio(csio, 3595 /* retries */ cd_retry_count, 3596 /* cbfcnp */ cddone, 3597 /* flags */ CAM_DIR_NONE, 3598 /* tag_action */ MSG_SIMPLE_Q_TAG, 3599 /* data_ptr */ NULL, 3600 /* dxfer_len */ 0, 3601 /* sense_len */ SSD_FULL_SIZE, 3602 sizeof(struct scsi_play_track), 3603 /* timeout */ 50000); 3604 3605 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3606 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3607 3608 scsi_cmd->op_code = PLAY_TRACK; 3609 scsi_cmd->start_track = strack; 3610 scsi_cmd->start_index = sindex; 3611 scsi_cmd->end_track = etrack; 3612 scsi_cmd->end_index = eindex; 3613 3614 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3615 /*sense_flags*/SF_RETRY_UA); 3616 3617 xpt_release_ccb(ccb); 3618 3619 return(error); 3620} 3621 3622static int 3623cdpause(struct cam_periph *periph, u_int32_t go) 3624{ 3625 struct scsi_pause *scsi_cmd; 3626 struct ccb_scsiio *csio; 3627 union ccb *ccb; 3628 int error; 3629 3630 error = 0; 3631 3632 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3633 3634 csio = &ccb->csio; 3635 3636 cam_fill_csio(csio, 3637 /* retries */ cd_retry_count, 3638 /* cbfcnp */ cddone, 3639 /* flags */ CAM_DIR_NONE, 3640 /* tag_action */ MSG_SIMPLE_Q_TAG, 3641 /* data_ptr */ NULL, 3642 /* dxfer_len */ 0, 3643 /* sense_len */ SSD_FULL_SIZE, 3644 sizeof(struct scsi_pause), 3645 /* timeout */ 50000); 3646 3647 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3648 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3649 3650 scsi_cmd->op_code = PAUSE; 3651 scsi_cmd->resume = go; 3652 3653 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3654 /*sense_flags*/SF_RETRY_UA); 3655 3656 xpt_release_ccb(ccb); 3657 3658 return(error); 3659} 3660 3661static int 3662cdstartunit(struct cam_periph *periph, int load) 3663{ 3664 union ccb *ccb; 3665 int error; 3666 3667 error = 0; 3668 3669 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3670 3671 scsi_start_stop(&ccb->csio, 3672 /* retries */ cd_retry_count, 3673 /* cbfcnp */ cddone, 3674 /* tag_action */ MSG_SIMPLE_Q_TAG, 3675 /* start */ TRUE, 3676 /* load_eject */ load, 3677 /* immediate */ FALSE, 3678 /* sense_len */ SSD_FULL_SIZE, 3679 /* timeout */ 50000); 3680 3681 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3682 /*sense_flags*/SF_RETRY_UA); 3683 3684 xpt_release_ccb(ccb); 3685 3686 return(error); 3687} 3688 3689static int 3690cdstopunit(struct cam_periph *periph, u_int32_t eject) 3691{ 3692 union ccb *ccb; 3693 int error; 3694 3695 error = 0; 3696 3697 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3698 3699 scsi_start_stop(&ccb->csio, 3700 /* retries */ cd_retry_count, 3701 /* cbfcnp */ cddone, 3702 /* tag_action */ MSG_SIMPLE_Q_TAG, 3703 /* start */ FALSE, 3704 /* load_eject */ eject, 3705 /* immediate */ FALSE, 3706 /* sense_len */ SSD_FULL_SIZE, 3707 /* timeout */ 50000); 3708 3709 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3710 /*sense_flags*/SF_RETRY_UA); 3711 3712 xpt_release_ccb(ccb); 3713 3714 return(error); 3715} 3716 3717static int 3718cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3719{ 3720 struct scsi_set_speed *scsi_cmd; 3721 struct ccb_scsiio *csio; 3722 union ccb *ccb; 3723 int error; 3724 3725 error = 0; 3726 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3727 csio = &ccb->csio; 3728 3729 /* Preserve old behavior: units in multiples of CDROM speed */ 3730 if (rdspeed < 177) 3731 rdspeed *= 177; 3732 if (wrspeed < 177) 3733 wrspeed *= 177; 3734 3735 cam_fill_csio(csio, 3736 /* retries */ cd_retry_count, 3737 /* cbfcnp */ cddone, 3738 /* flags */ CAM_DIR_NONE, 3739 /* tag_action */ MSG_SIMPLE_Q_TAG, 3740 /* data_ptr */ NULL, 3741 /* dxfer_len */ 0, 3742 /* sense_len */ SSD_FULL_SIZE, 3743 sizeof(struct scsi_set_speed), 3744 /* timeout */ 50000); 3745 3746 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3747 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3748 3749 scsi_cmd->opcode = SET_CD_SPEED; 3750 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3751 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3752 3753 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3754 /*sense_flags*/SF_RETRY_UA); 3755 3756 xpt_release_ccb(ccb); 3757 3758 return(error); 3759} 3760 3761static int 3762cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3763{ 3764 union ccb *ccb; 3765 u_int8_t *databuf; 3766 u_int32_t lba; 3767 int error; 3768 int length; 3769 3770 error = 0; 3771 databuf = NULL; 3772 lba = 0; 3773 3774 switch (authinfo->format) { 3775 case DVD_REPORT_AGID: 3776 length = sizeof(struct scsi_report_key_data_agid); 3777 break; 3778 case DVD_REPORT_CHALLENGE: 3779 length = sizeof(struct scsi_report_key_data_challenge); 3780 break; 3781 case DVD_REPORT_KEY1: 3782 length = sizeof(struct scsi_report_key_data_key1_key2); 3783 break; 3784 case DVD_REPORT_TITLE_KEY: 3785 length = sizeof(struct scsi_report_key_data_title); 3786 /* The lba field is only set for the title key */ 3787 lba = authinfo->lba; 3788 break; 3789 case DVD_REPORT_ASF: 3790 length = sizeof(struct scsi_report_key_data_asf); 3791 break; 3792 case DVD_REPORT_RPC: 3793 length = sizeof(struct scsi_report_key_data_rpc); 3794 break; 3795 case DVD_INVALIDATE_AGID: 3796 length = 0; 3797 break; 3798 default: 3799 return (EINVAL); 3800 } 3801 3802 if (length != 0) { 3803 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3804 } else 3805 databuf = NULL; 3806 3807 cam_periph_lock(periph); 3808 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3809 3810 scsi_report_key(&ccb->csio, 3811 /* retries */ cd_retry_count, 3812 /* cbfcnp */ cddone, 3813 /* tag_action */ MSG_SIMPLE_Q_TAG, 3814 /* lba */ lba, 3815 /* agid */ authinfo->agid, 3816 /* key_format */ authinfo->format, 3817 /* data_ptr */ databuf, 3818 /* dxfer_len */ length, 3819 /* sense_len */ SSD_FULL_SIZE, 3820 /* timeout */ 50000); 3821 3822 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3823 /*sense_flags*/SF_RETRY_UA); 3824 3825 if (error != 0) 3826 goto bailout; 3827 3828 if (ccb->csio.resid != 0) { 3829 xpt_print(periph->path, "warning, residual for report key " 3830 "command is %d\n", ccb->csio.resid); 3831 } 3832 3833 switch(authinfo->format) { 3834 case DVD_REPORT_AGID: { 3835 struct scsi_report_key_data_agid *agid_data; 3836 3837 agid_data = (struct scsi_report_key_data_agid *)databuf; 3838 3839 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3840 RKD_AGID_SHIFT; 3841 break; 3842 } 3843 case DVD_REPORT_CHALLENGE: { 3844 struct scsi_report_key_data_challenge *chal_data; 3845 3846 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3847 3848 bcopy(chal_data->challenge_key, authinfo->keychal, 3849 min(sizeof(chal_data->challenge_key), 3850 sizeof(authinfo->keychal))); 3851 break; 3852 } 3853 case DVD_REPORT_KEY1: { 3854 struct scsi_report_key_data_key1_key2 *key1_data; 3855 3856 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3857 3858 bcopy(key1_data->key1, authinfo->keychal, 3859 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3860 break; 3861 } 3862 case DVD_REPORT_TITLE_KEY: { 3863 struct scsi_report_key_data_title *title_data; 3864 3865 title_data = (struct scsi_report_key_data_title *)databuf; 3866 3867 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3868 RKD_TITLE_CPM_SHIFT; 3869 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3870 RKD_TITLE_CP_SEC_SHIFT; 3871 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3872 RKD_TITLE_CMGS_SHIFT; 3873 bcopy(title_data->title_key, authinfo->keychal, 3874 min(sizeof(title_data->title_key), 3875 sizeof(authinfo->keychal))); 3876 break; 3877 } 3878 case DVD_REPORT_ASF: { 3879 struct scsi_report_key_data_asf *asf_data; 3880 3881 asf_data = (struct scsi_report_key_data_asf *)databuf; 3882 3883 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3884 break; 3885 } 3886 case DVD_REPORT_RPC: { 3887 struct scsi_report_key_data_rpc *rpc_data; 3888 3889 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3890 3891 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3892 RKD_RPC_TYPE_SHIFT; 3893 authinfo->vend_rsts = 3894 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3895 RKD_RPC_VENDOR_RESET_SHIFT; 3896 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3897 authinfo->region = rpc_data->region_mask; 3898 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3899 break; 3900 } 3901 case DVD_INVALIDATE_AGID: 3902 break; 3903 default: 3904 /* This should be impossible, since we checked above */ 3905 error = EINVAL; 3906 goto bailout; 3907 break; /* NOTREACHED */ 3908 } 3909 3910bailout: 3911 xpt_release_ccb(ccb); 3912 cam_periph_unlock(periph); 3913 3914 if (databuf != NULL) 3915 free(databuf, M_DEVBUF); 3916 3917 return(error); 3918} 3919 3920static int 3921cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3922{ 3923 union ccb *ccb; 3924 u_int8_t *databuf; 3925 int length; 3926 int error; 3927 3928 error = 0; 3929 databuf = NULL; 3930 3931 switch(authinfo->format) { 3932 case DVD_SEND_CHALLENGE: { 3933 struct scsi_report_key_data_challenge *challenge_data; 3934 3935 length = sizeof(*challenge_data); 3936 3937 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3938 3939 databuf = (u_int8_t *)challenge_data; 3940 3941 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3942 challenge_data->data_len); 3943 3944 bcopy(authinfo->keychal, challenge_data->challenge_key, 3945 min(sizeof(authinfo->keychal), 3946 sizeof(challenge_data->challenge_key))); 3947 break; 3948 } 3949 case DVD_SEND_KEY2: { 3950 struct scsi_report_key_data_key1_key2 *key2_data; 3951 3952 length = sizeof(*key2_data); 3953 3954 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3955 3956 databuf = (u_int8_t *)key2_data; 3957 3958 scsi_ulto2b(length - sizeof(key2_data->data_len), 3959 key2_data->data_len); 3960 3961 bcopy(authinfo->keychal, key2_data->key1, 3962 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3963 3964 break; 3965 } 3966 case DVD_SEND_RPC: { 3967 struct scsi_send_key_data_rpc *rpc_data; 3968 3969 length = sizeof(*rpc_data); 3970 3971 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3972 3973 databuf = (u_int8_t *)rpc_data; 3974 3975 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3976 rpc_data->data_len); 3977 3978 rpc_data->region_code = authinfo->region; 3979 break; 3980 } 3981 default: 3982 return (EINVAL); 3983 } 3984 3985 cam_periph_lock(periph); 3986 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3987 3988 scsi_send_key(&ccb->csio, 3989 /* retries */ cd_retry_count, 3990 /* cbfcnp */ cddone, 3991 /* tag_action */ MSG_SIMPLE_Q_TAG, 3992 /* agid */ authinfo->agid, 3993 /* key_format */ authinfo->format, 3994 /* data_ptr */ databuf, 3995 /* dxfer_len */ length, 3996 /* sense_len */ SSD_FULL_SIZE, 3997 /* timeout */ 50000); 3998 3999 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4000 /*sense_flags*/SF_RETRY_UA); 4001 4002 xpt_release_ccb(ccb); 4003 cam_periph_unlock(periph); 4004 4005 if (databuf != NULL) 4006 free(databuf, M_DEVBUF); 4007 4008 return(error); 4009} 4010 4011static int 4012cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4013{ 4014 union ccb *ccb; 4015 u_int8_t *databuf; 4016 u_int32_t address; 4017 int error; 4018 int length; 4019 4020 error = 0; 4021 databuf = NULL; 4022 /* The address is reserved for many of the formats */ 4023 address = 0; 4024 4025 switch(dvdstruct->format) { 4026 case DVD_STRUCT_PHYSICAL: 4027 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4028 break; 4029 case DVD_STRUCT_COPYRIGHT: 4030 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4031 break; 4032 case DVD_STRUCT_DISCKEY: 4033 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4034 break; 4035 case DVD_STRUCT_BCA: 4036 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4037 break; 4038 case DVD_STRUCT_MANUFACT: 4039 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4040 break; 4041 case DVD_STRUCT_CMI: 4042 return (ENODEV); 4043 case DVD_STRUCT_PROTDISCID: 4044 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4045 break; 4046 case DVD_STRUCT_DISCKEYBLOCK: 4047 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4048 break; 4049 case DVD_STRUCT_DDS: 4050 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4051 break; 4052 case DVD_STRUCT_MEDIUM_STAT: 4053 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4054 break; 4055 case DVD_STRUCT_SPARE_AREA: 4056 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4057 break; 4058 case DVD_STRUCT_RMD_LAST: 4059 return (ENODEV); 4060 case DVD_STRUCT_RMD_RMA: 4061 return (ENODEV); 4062 case DVD_STRUCT_PRERECORDED: 4063 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4064 break; 4065 case DVD_STRUCT_UNIQUEID: 4066 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4067 break; 4068 case DVD_STRUCT_DCB: 4069 return (ENODEV); 4070 case DVD_STRUCT_LIST: 4071 /* 4072 * This is the maximum allocation length for the READ DVD 4073 * STRUCTURE command. There's nothing in the MMC3 spec 4074 * that indicates a limit in the amount of data that can 4075 * be returned from this call, other than the limits 4076 * imposed by the 2-byte length variables. 4077 */ 4078 length = 65535; 4079 break; 4080 default: 4081 return (EINVAL); 4082 } 4083 4084 if (length != 0) { 4085 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4086 } else 4087 databuf = NULL; 4088 4089 cam_periph_lock(periph); 4090 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4091 4092 scsi_read_dvd_structure(&ccb->csio, 4093 /* retries */ cd_retry_count, 4094 /* cbfcnp */ cddone, 4095 /* tag_action */ MSG_SIMPLE_Q_TAG, 4096 /* lba */ address, 4097 /* layer_number */ dvdstruct->layer_num, 4098 /* key_format */ dvdstruct->format, 4099 /* agid */ dvdstruct->agid, 4100 /* data_ptr */ databuf, 4101 /* dxfer_len */ length, 4102 /* sense_len */ SSD_FULL_SIZE, 4103 /* timeout */ 50000); 4104 4105 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4106 /*sense_flags*/SF_RETRY_UA); 4107 4108 if (error != 0) 4109 goto bailout; 4110 4111 switch(dvdstruct->format) { 4112 case DVD_STRUCT_PHYSICAL: { 4113 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4114 struct dvd_layer *outlayer; 4115 struct scsi_read_dvd_struct_data_physical *phys_data; 4116 4117 phys_data = 4118 (struct scsi_read_dvd_struct_data_physical *)databuf; 4119 inlayer = &phys_data->layer_desc; 4120 outlayer = (struct dvd_layer *)&dvdstruct->data; 4121 4122 dvdstruct->length = sizeof(*inlayer); 4123 4124 outlayer->book_type = (inlayer->book_type_version & 4125 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4126 outlayer->book_version = (inlayer->book_type_version & 4127 RDSD_BOOK_VERSION_MASK); 4128 outlayer->disc_size = (inlayer->disc_size_max_rate & 4129 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4130 outlayer->max_rate = (inlayer->disc_size_max_rate & 4131 RDSD_MAX_RATE_MASK); 4132 outlayer->nlayers = (inlayer->layer_info & 4133 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4134 outlayer->track_path = (inlayer->layer_info & 4135 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4136 outlayer->layer_type = (inlayer->layer_info & 4137 RDSD_LAYER_TYPE_MASK); 4138 outlayer->linear_density = (inlayer->density & 4139 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4140 outlayer->track_density = (inlayer->density & 4141 RDSD_TRACK_DENSITY_MASK); 4142 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4143 RDSD_BCA_SHIFT; 4144 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4145 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4146 outlayer->end_sector_l0 = 4147 scsi_3btoul(inlayer->end_sector_layer0); 4148 break; 4149 } 4150 case DVD_STRUCT_COPYRIGHT: { 4151 struct scsi_read_dvd_struct_data_copyright *copy_data; 4152 4153 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4154 databuf; 4155 4156 dvdstruct->cpst = copy_data->cps_type; 4157 dvdstruct->rmi = copy_data->region_info; 4158 dvdstruct->length = 0; 4159 4160 break; 4161 } 4162 default: 4163 /* 4164 * Tell the user what the overall length is, no matter 4165 * what we can actually fit in the data buffer. 4166 */ 4167 dvdstruct->length = length - ccb->csio.resid - 4168 sizeof(struct scsi_read_dvd_struct_data_header); 4169 4170 /* 4171 * But only actually copy out the smaller of what we read 4172 * in or what the structure can take. 4173 */ 4174 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4175 dvdstruct->data, 4176 min(sizeof(dvdstruct->data), dvdstruct->length)); 4177 break; 4178 } 4179 4180bailout: 4181 xpt_release_ccb(ccb); 4182 cam_periph_unlock(periph); 4183 4184 if (databuf != NULL) 4185 free(databuf, M_DEVBUF); 4186 4187 return(error); 4188} 4189 4190void 4191scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4192 void (*cbfcnp)(struct cam_periph *, union ccb *), 4193 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4194 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4195 u_int8_t sense_len, u_int32_t timeout) 4196{ 4197 struct scsi_report_key *scsi_cmd; 4198 4199 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4200 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4201 scsi_cmd->opcode = REPORT_KEY; 4202 scsi_ulto4b(lba, scsi_cmd->lba); 4203 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4204 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4205 (key_format & RK_KF_KEYFORMAT_MASK); 4206 4207 cam_fill_csio(csio, 4208 retries, 4209 cbfcnp, 4210 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4211 tag_action, 4212 /*data_ptr*/ data_ptr, 4213 /*dxfer_len*/ dxfer_len, 4214 sense_len, 4215 sizeof(*scsi_cmd), 4216 timeout); 4217} 4218 4219void 4220scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4221 void (*cbfcnp)(struct cam_periph *, union ccb *), 4222 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4223 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4224 u_int32_t timeout) 4225{ 4226 struct scsi_send_key *scsi_cmd; 4227 4228 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4229 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4230 scsi_cmd->opcode = SEND_KEY; 4231 4232 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4233 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4234 (key_format & RK_KF_KEYFORMAT_MASK); 4235 4236 cam_fill_csio(csio, 4237 retries, 4238 cbfcnp, 4239 /*flags*/ CAM_DIR_OUT, 4240 tag_action, 4241 /*data_ptr*/ data_ptr, 4242 /*dxfer_len*/ dxfer_len, 4243 sense_len, 4244 sizeof(*scsi_cmd), 4245 timeout); 4246} 4247 4248 4249void 4250scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4251 void (*cbfcnp)(struct cam_periph *, union ccb *), 4252 u_int8_t tag_action, u_int32_t address, 4253 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4254 u_int8_t *data_ptr, u_int32_t dxfer_len, 4255 u_int8_t sense_len, u_int32_t timeout) 4256{ 4257 struct scsi_read_dvd_structure *scsi_cmd; 4258 4259 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4260 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4261 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4262 4263 scsi_ulto4b(address, scsi_cmd->address); 4264 scsi_cmd->layer_number = layer_number; 4265 scsi_cmd->format = format; 4266 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4267 /* The AGID is the top two bits of this byte */ 4268 scsi_cmd->agid = agid << 6; 4269 4270 cam_fill_csio(csio, 4271 retries, 4272 cbfcnp, 4273 /*flags*/ CAM_DIR_IN, 4274 tag_action, 4275 /*data_ptr*/ data_ptr, 4276 /*dxfer_len*/ dxfer_len, 4277 sense_len, 4278 sizeof(*scsi_cmd), 4279 timeout); 4280} 4281