scsi_cd.c revision 206648
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: head/sys/cam/scsi/scsi_cd.c 206648 2010-04-15 08:29:14Z avg $"); 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 * Load the user's default, if any. 692 */ 693 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 694 periph->unit_number); 695 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 696 697 /* 6 and 10 are the only permissible values here. */ 698 if (softc->minimum_command_size < 6) 699 softc->minimum_command_size = 6; 700 else if (softc->minimum_command_size > 6) 701 softc->minimum_command_size = 10; 702 703 /* 704 * We need to register the statistics structure for this device, 705 * but we don't have the blocksize yet for it. So, we register 706 * the structure and indicate that we don't have the blocksize 707 * yet. Unlike other SCSI peripheral drivers, we explicitly set 708 * the device type here to be CDROM, rather than just ORing in 709 * the device type. This is because this driver can attach to either 710 * CDROM or WORM devices, and we want this peripheral driver to 711 * show up in the devstat list as a CD peripheral driver, not a 712 * WORM peripheral driver. WORM drives will also have the WORM 713 * driver attached to them. 714 */ 715 cam_periph_unlock(periph); 716 softc->disk = disk_alloc(); 717 softc->disk->d_devstat = devstat_new_entry("cd", 718 periph->unit_number, 0, 719 DEVSTAT_BS_UNAVAILABLE, 720 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 721 DEVSTAT_PRIORITY_CD); 722 softc->disk->d_open = cdopen; 723 softc->disk->d_close = cdclose; 724 softc->disk->d_strategy = cdstrategy; 725 softc->disk->d_ioctl = cdioctl; 726 softc->disk->d_name = "cd"; 727 softc->disk->d_unit = periph->unit_number; 728 softc->disk->d_drv1 = periph; 729 if (cpi.maxio == 0) 730 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 731 else if (cpi.maxio > MAXPHYS) 732 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 733 else 734 softc->disk->d_maxsize = cpi.maxio; 735 softc->disk->d_flags = 0; 736 disk_create(softc->disk, DISK_VERSION); 737 cam_periph_lock(periph); 738 739 /* 740 * Add an async callback so that we get 741 * notified if this device goes away. 742 */ 743 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 744 cdasync, periph, periph->path); 745 746 /* 747 * If the target lun is greater than 0, we most likely have a CD 748 * changer device. Check the quirk entries as well, though, just 749 * in case someone has a CD tower with one lun per drive or 750 * something like that. Also, if we know up front that a 751 * particular device is a changer, we can mark it as such starting 752 * with lun 0, instead of lun 1. It shouldn't be necessary to have 753 * a quirk entry to define something as a changer, however. 754 */ 755 if (((cgd->ccb_h.target_lun > 0) 756 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 757 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 758 struct cdchanger *nchanger; 759 struct cam_periph *nperiph; 760 struct cam_path *path; 761 cam_status status; 762 int found; 763 764 /* Set the changer flag in the current device's softc */ 765 softc->flags |= CD_FLAG_CHANGER; 766 767 /* 768 * Now, look around for an existing changer device with the 769 * same path and target ID as the current device. 770 */ 771 mtx_lock(&changerq_mtx); 772 for (found = 0, 773 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 774 nchanger != NULL; 775 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 776 if ((nchanger->path_id == cgd->ccb_h.path_id) 777 && (nchanger->target_id == cgd->ccb_h.target_id)) { 778 found = 1; 779 break; 780 } 781 } 782 mtx_unlock(&changerq_mtx); 783 784 /* 785 * If we found a matching entry, just add this device to 786 * the list of devices on this changer. 787 */ 788 if (found == 1) { 789 struct chdevlist *chlunhead; 790 791 chlunhead = &nchanger->chluns; 792 793 /* 794 * XXX KDM look at consolidating this code with the 795 * code below in a separate function. 796 */ 797 798 /* 799 * Create a path with lun id 0, and see if we can 800 * find a matching device 801 */ 802 status = xpt_create_path(&path, /*periph*/ periph, 803 cgd->ccb_h.path_id, 804 cgd->ccb_h.target_id, 0); 805 806 if ((status == CAM_REQ_CMP) 807 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 808 struct cd_softc *nsoftc; 809 810 nsoftc = (struct cd_softc *)nperiph->softc; 811 812 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 813 nsoftc->flags |= CD_FLAG_CHANGER; 814 nchanger->num_devices++; 815 if (camq_resize(&nchanger->devq, 816 nchanger->num_devices)!=CAM_REQ_CMP){ 817 printf("cdregister: " 818 "camq_resize " 819 "failed, changer " 820 "support may " 821 "be messed up\n"); 822 } 823 nsoftc->changer = nchanger; 824 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 825 826 STAILQ_INSERT_TAIL(&nchanger->chluns, 827 nsoftc,changer_links); 828 } 829 xpt_free_path(path); 830 } else if (status == CAM_REQ_CMP) 831 xpt_free_path(path); 832 else { 833 printf("cdregister: unable to allocate path\n" 834 "cdregister: changer support may be " 835 "broken\n"); 836 } 837 838 nchanger->num_devices++; 839 840 softc->changer = nchanger; 841 softc->pinfo.index = CAM_UNQUEUED_INDEX; 842 843 if (camq_resize(&nchanger->devq, 844 nchanger->num_devices) != CAM_REQ_CMP) { 845 printf("cdregister: camq_resize " 846 "failed, changer support may " 847 "be messed up\n"); 848 } 849 850 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 851 } 852 /* 853 * In this case, we don't already have an entry for this 854 * particular changer, so we need to create one, add it to 855 * the queue, and queue this device on the list for this 856 * changer. Before we queue this device, however, we need 857 * to search for lun id 0 on this target, and add it to the 858 * queue first, if it exists. (and if it hasn't already 859 * been marked as part of the changer.) 860 */ 861 else { 862 nchanger = malloc(sizeof(struct cdchanger), 863 M_DEVBUF, M_NOWAIT | M_ZERO); 864 if (nchanger == NULL) { 865 softc->flags &= ~CD_FLAG_CHANGER; 866 printf("cdregister: unable to malloc " 867 "changer structure\ncdregister: " 868 "changer support disabled\n"); 869 870 /* 871 * Yes, gotos can be gross but in this case 872 * I think it's justified.. 873 */ 874 goto cdregisterexit; 875 } 876 if (camq_init(&nchanger->devq, 1) != 0) { 877 softc->flags &= ~CD_FLAG_CHANGER; 878 printf("cdregister: changer support " 879 "disabled\n"); 880 goto cdregisterexit; 881 } 882 883 nchanger->path_id = cgd->ccb_h.path_id; 884 nchanger->target_id = cgd->ccb_h.target_id; 885 886 /* this is superfluous, but it makes things clearer */ 887 nchanger->num_devices = 0; 888 889 STAILQ_INIT(&nchanger->chluns); 890 891 callout_init_mtx(&nchanger->long_handle, 892 periph->sim->mtx, 0); 893 callout_init_mtx(&nchanger->short_handle, 894 periph->sim->mtx, 0); 895 896 mtx_lock(&changerq_mtx); 897 num_changers++; 898 STAILQ_INSERT_TAIL(&changerq, nchanger, 899 changer_links); 900 mtx_unlock(&changerq_mtx); 901 902 /* 903 * Create a path with lun id 0, and see if we can 904 * find a matching device 905 */ 906 status = xpt_create_path(&path, /*periph*/ periph, 907 cgd->ccb_h.path_id, 908 cgd->ccb_h.target_id, 0); 909 910 /* 911 * If we were able to allocate the path, and if we 912 * find a matching device and it isn't already 913 * marked as part of a changer, then we add it to 914 * the current changer. 915 */ 916 if ((status == CAM_REQ_CMP) 917 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 918 && ((((struct cd_softc *)periph->softc)->flags & 919 CD_FLAG_CHANGER) == 0)) { 920 struct cd_softc *nsoftc; 921 922 nsoftc = (struct cd_softc *)nperiph->softc; 923 924 nsoftc->flags |= CD_FLAG_CHANGER; 925 nchanger->num_devices++; 926 if (camq_resize(&nchanger->devq, 927 nchanger->num_devices) != CAM_REQ_CMP) { 928 printf("cdregister: camq_resize " 929 "failed, changer support may " 930 "be messed up\n"); 931 } 932 nsoftc->changer = nchanger; 933 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 934 935 STAILQ_INSERT_TAIL(&nchanger->chluns, 936 nsoftc, changer_links); 937 xpt_free_path(path); 938 } else if (status == CAM_REQ_CMP) 939 xpt_free_path(path); 940 else { 941 printf("cdregister: unable to allocate path\n" 942 "cdregister: changer support may be " 943 "broken\n"); 944 } 945 946 softc->changer = nchanger; 947 softc->pinfo.index = CAM_UNQUEUED_INDEX; 948 nchanger->num_devices++; 949 if (camq_resize(&nchanger->devq, 950 nchanger->num_devices) != CAM_REQ_CMP) { 951 printf("cdregister: camq_resize " 952 "failed, changer support may " 953 "be messed up\n"); 954 } 955 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 956 changer_links); 957 } 958 } 959 960cdregisterexit: 961 962 /* 963 * Refcount and block open attempts until we are setup 964 * Can't block 965 */ 966 (void)cam_periph_hold(periph, PRIBIO); 967 968 if ((softc->flags & CD_FLAG_CHANGER) == 0) 969 xpt_schedule(periph, CAM_PRIORITY_DEV); 970 else 971 cdschedule(periph, CAM_PRIORITY_DEV); 972 973 return(CAM_REQ_CMP); 974} 975 976static int 977cdopen(struct disk *dp) 978{ 979 struct cam_periph *periph; 980 struct cd_softc *softc; 981 int error; 982 983 periph = (struct cam_periph *)dp->d_drv1; 984 if (periph == NULL) 985 return (ENXIO); 986 987 softc = (struct cd_softc *)periph->softc; 988 989 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 990 return(ENXIO); 991 992 cam_periph_lock(periph); 993 994 if (softc->flags & CD_FLAG_INVALID) { 995 cam_periph_unlock(periph); 996 cam_periph_release(periph); 997 return(ENXIO); 998 } 999 1000 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1001 cam_periph_unlock(periph); 1002 cam_periph_release(periph); 1003 return (error); 1004 } 1005 1006 /* 1007 * Check for media, and set the appropriate flags. We don't bail 1008 * if we don't have media, but then we don't allow anything but the 1009 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1010 */ 1011 cdcheckmedia(periph); 1012 1013 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1014 cam_periph_unhold(periph); 1015 1016 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1017 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1018 softc->flags |= CD_FLAG_OPEN; 1019 cam_periph_unlock(periph); 1020 } else { 1021 cam_periph_unlock(periph); 1022 cam_periph_release(periph); 1023 } 1024 1025 return (0); 1026} 1027 1028static int 1029cdclose(struct disk *dp) 1030{ 1031 struct cam_periph *periph; 1032 struct cd_softc *softc; 1033 1034 periph = (struct cam_periph *)dp->d_drv1; 1035 if (periph == NULL) 1036 return (ENXIO); 1037 1038 softc = (struct cd_softc *)periph->softc; 1039 1040 cam_periph_lock(periph); 1041 cam_periph_hold(periph, PRIBIO); 1042 1043 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1044 cdprevent(periph, PR_ALLOW); 1045 1046 /* 1047 * Since we're closing this CD, mark the blocksize as unavailable. 1048 * It will be marked as available when the CD is opened again. 1049 */ 1050 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1051 1052 /* 1053 * We'll check the media and toc again at the next open(). 1054 */ 1055 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1056 1057 cam_periph_unhold(periph); 1058 cam_periph_unlock(periph); 1059 cam_periph_release(periph); 1060 1061 return (0); 1062} 1063 1064static void 1065cdshorttimeout(void *arg) 1066{ 1067 struct cdchanger *changer; 1068 1069 changer = (struct cdchanger *)arg; 1070 1071 /* Always clear the short timeout flag, since that's what we're in */ 1072 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1073 1074 /* 1075 * Check to see if there is any more pending or outstanding I/O for 1076 * this device. If not, move it out of the active slot. 1077 */ 1078 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1079 && (changer->cur_device->outstanding_cmds == 0)) { 1080 changer->flags |= CHANGER_MANUAL_CALL; 1081 cdrunchangerqueue(changer); 1082 } 1083} 1084 1085/* 1086 * This is a wrapper for xpt_schedule. It only applies to changers. 1087 */ 1088static void 1089cdschedule(struct cam_periph *periph, int priority) 1090{ 1091 struct cd_softc *softc; 1092 1093 softc = (struct cd_softc *)periph->softc; 1094 1095 /* 1096 * If this device isn't currently queued, and if it isn't 1097 * the active device, then we queue this device and run the 1098 * changer queue if there is no timeout scheduled to do it. 1099 * If this device is the active device, just schedule it 1100 * to run again. If this device is queued, there should be 1101 * a timeout in place already that will make sure it runs. 1102 */ 1103 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1104 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1105 /* 1106 * We don't do anything with the priority here. 1107 * This is strictly a fifo queue. 1108 */ 1109 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1110 softc->pinfo.generation = ++softc->changer->devq.generation; 1111 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1112 1113 /* 1114 * Since we just put a device in the changer queue, 1115 * check and see if there is a timeout scheduled for 1116 * this changer. If so, let the timeout handle 1117 * switching this device into the active slot. If 1118 * not, manually call the timeout routine to 1119 * bootstrap things. 1120 */ 1121 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1122 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1123 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1124 softc->changer->flags |= CHANGER_MANUAL_CALL; 1125 cdrunchangerqueue(softc->changer); 1126 } 1127 } else if ((softc->flags & CD_FLAG_ACTIVE) 1128 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1129 xpt_schedule(periph, priority); 1130} 1131 1132static void 1133cdrunchangerqueue(void *arg) 1134{ 1135 struct cd_softc *softc; 1136 struct cdchanger *changer; 1137 int called_from_timeout; 1138 1139 changer = (struct cdchanger *)arg; 1140 1141 /* 1142 * If we have NOT been called from cdstrategy() or cddone(), and 1143 * instead from a timeout routine, go ahead and clear the 1144 * timeout flag. 1145 */ 1146 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1147 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1148 called_from_timeout = 1; 1149 } else 1150 called_from_timeout = 0; 1151 1152 /* Always clear the manual call flag */ 1153 changer->flags &= ~CHANGER_MANUAL_CALL; 1154 1155 /* nothing to do if the queue is empty */ 1156 if (changer->devq.entries <= 0) { 1157 return; 1158 } 1159 1160 /* 1161 * If the changer queue is frozen, that means we have an active 1162 * device. 1163 */ 1164 if (changer->devq.qfrozen_cnt[0] > 0) { 1165 1166 /* 1167 * We always need to reset the frozen count and clear the 1168 * active flag. 1169 */ 1170 changer->devq.qfrozen_cnt[0]--; 1171 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1172 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1173 1174 if (changer->cur_device->outstanding_cmds > 0) { 1175 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1176 changer->cur_device->bufs_left = 1177 changer->cur_device->outstanding_cmds; 1178 if (called_from_timeout) { 1179 callout_reset(&changer->long_handle, 1180 changer_max_busy_seconds * hz, 1181 cdrunchangerqueue, changer); 1182 changer->flags |= CHANGER_TIMEOUT_SCHED; 1183 } 1184 return; 1185 } 1186 1187 /* 1188 * Check to see whether the current device has any I/O left 1189 * to do. If so, requeue it at the end of the queue. If 1190 * not, there is no need to requeue it. 1191 */ 1192 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1193 1194 changer->cur_device->pinfo.generation = 1195 ++changer->devq.generation; 1196 camq_insert(&changer->devq, 1197 (cam_pinfo *)changer->cur_device); 1198 } 1199 } 1200 1201 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1202 1203 changer->cur_device = softc; 1204 1205 changer->devq.qfrozen_cnt[0]++; 1206 softc->flags |= CD_FLAG_ACTIVE; 1207 1208 /* Just in case this device is waiting */ 1209 wakeup(&softc->changer); 1210 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1211 1212 /* 1213 * Get rid of any pending timeouts, and set a flag to schedule new 1214 * ones so this device gets its full time quantum. 1215 */ 1216 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1217 callout_stop(&changer->long_handle); 1218 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1219 } 1220 1221 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1222 callout_stop(&changer->short_handle); 1223 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1224 } 1225 1226 /* 1227 * We need to schedule timeouts, but we only do this after the 1228 * first transaction has completed. This eliminates the changer 1229 * switch time. 1230 */ 1231 changer->flags |= CHANGER_NEED_TIMEOUT; 1232} 1233 1234static void 1235cdchangerschedule(struct cd_softc *softc) 1236{ 1237 struct cdchanger *changer; 1238 1239 changer = softc->changer; 1240 1241 /* 1242 * If this is a changer, and this is the current device, 1243 * and this device has at least the minimum time quantum to 1244 * run, see if we can switch it out. 1245 */ 1246 if ((softc->flags & CD_FLAG_ACTIVE) 1247 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1248 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1249 /* 1250 * We try three things here. The first is that we 1251 * check to see whether the schedule on completion 1252 * flag is set. If it is, we decrement the number 1253 * of buffers left, and if it's zero, we reschedule. 1254 * Next, we check to see whether the pending buffer 1255 * queue is empty and whether there are no 1256 * outstanding transactions. If so, we reschedule. 1257 * Next, we see if the pending buffer queue is empty. 1258 * If it is, we set the number of buffers left to 1259 * the current active buffer count and set the 1260 * schedule on complete flag. 1261 */ 1262 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1263 if (--softc->bufs_left == 0) { 1264 softc->changer->flags |= 1265 CHANGER_MANUAL_CALL; 1266 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1267 cdrunchangerqueue(softc->changer); 1268 } 1269 } else if ((bioq_first(&softc->bio_queue) == NULL) 1270 && (softc->outstanding_cmds == 0)) { 1271 softc->changer->flags |= CHANGER_MANUAL_CALL; 1272 cdrunchangerqueue(softc->changer); 1273 } 1274 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1275 && (softc->flags & CD_FLAG_ACTIVE)) { 1276 1277 /* 1278 * Now that the first transaction to this 1279 * particular device has completed, we can go ahead 1280 * and schedule our timeouts. 1281 */ 1282 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1283 callout_reset(&changer->long_handle, 1284 changer_max_busy_seconds * hz, 1285 cdrunchangerqueue, changer); 1286 changer->flags |= CHANGER_TIMEOUT_SCHED; 1287 } else 1288 printf("cdchangerschedule: already have a long" 1289 " timeout!\n"); 1290 1291 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1292 callout_reset(&changer->short_handle, 1293 changer_min_busy_seconds * hz, 1294 cdshorttimeout, changer); 1295 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1296 } else 1297 printf("cdchangerschedule: already have a short " 1298 "timeout!\n"); 1299 1300 /* 1301 * We just scheduled timeouts, no need to schedule 1302 * more. 1303 */ 1304 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1305 1306 } 1307} 1308 1309static int 1310cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1311 u_int32_t cam_flags, 1312 u_int32_t sense_flags), 1313 u_int32_t cam_flags, u_int32_t sense_flags) 1314{ 1315 struct cd_softc *softc; 1316 struct cam_periph *periph; 1317 int error; 1318 1319 periph = xpt_path_periph(ccb->ccb_h.path); 1320 softc = (struct cd_softc *)periph->softc; 1321 1322 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1323 softc->disk->d_devstat); 1324 1325 if (softc->flags & CD_FLAG_CHANGER) 1326 cdchangerschedule(softc); 1327 1328 return(error); 1329} 1330 1331static union ccb * 1332cdgetccb(struct cam_periph *periph, u_int32_t priority) 1333{ 1334 struct cd_softc *softc; 1335 1336 softc = (struct cd_softc *)periph->softc; 1337 1338 if (softc->flags & CD_FLAG_CHANGER) { 1339 /* 1340 * This should work the first time this device is woken up, 1341 * but just in case it doesn't, we use a while loop. 1342 */ 1343 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1344 /* 1345 * If this changer isn't already queued, queue it up. 1346 */ 1347 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1348 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1349 softc->pinfo.generation = 1350 ++softc->changer->devq.generation; 1351 camq_insert(&softc->changer->devq, 1352 (cam_pinfo *)softc); 1353 } 1354 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1355 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1356 && ((softc->changer->flags 1357 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1358 softc->changer->flags |= CHANGER_MANUAL_CALL; 1359 cdrunchangerqueue(softc->changer); 1360 } else 1361 msleep(&softc->changer, periph->sim->mtx, 1362 PRIBIO, "cgticb", 0); 1363 } 1364 } 1365 return(cam_periph_getccb(periph, priority)); 1366} 1367 1368 1369/* 1370 * Actually translate the requested transfer into one the physical driver 1371 * can understand. The transfer is described by a buf and will include 1372 * only one physical transfer. 1373 */ 1374static void 1375cdstrategy(struct bio *bp) 1376{ 1377 struct cam_periph *periph; 1378 struct cd_softc *softc; 1379 1380 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1381 if (periph == NULL) { 1382 biofinish(bp, NULL, ENXIO); 1383 return; 1384 } 1385 1386 cam_periph_lock(periph); 1387 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1388 1389 softc = (struct cd_softc *)periph->softc; 1390 1391 /* 1392 * If the device has been made invalid, error out 1393 */ 1394 if ((softc->flags & CD_FLAG_INVALID)) { 1395 cam_periph_unlock(periph); 1396 biofinish(bp, NULL, ENXIO); 1397 return; 1398 } 1399 1400 /* 1401 * If we don't have valid media, look for it before trying to 1402 * schedule the I/O. 1403 */ 1404 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1405 int error; 1406 1407 error = cdcheckmedia(periph); 1408 if (error != 0) { 1409 cam_periph_unlock(periph); 1410 biofinish(bp, NULL, error); 1411 return; 1412 } 1413 } 1414 1415 /* 1416 * Place it in the queue of disk activities for this disk 1417 */ 1418 bioq_disksort(&softc->bio_queue, bp); 1419 1420 /* 1421 * Schedule ourselves for performing the work. We do things 1422 * differently for changers. 1423 */ 1424 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1425 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1426 else 1427 cdschedule(periph, CAM_PRIORITY_NORMAL); 1428 1429 cam_periph_unlock(periph); 1430 return; 1431} 1432 1433static void 1434cdstart(struct cam_periph *periph, union ccb *start_ccb) 1435{ 1436 struct cd_softc *softc; 1437 struct bio *bp; 1438 struct ccb_scsiio *csio; 1439 struct scsi_read_capacity_data *rcap; 1440 1441 softc = (struct cd_softc *)periph->softc; 1442 1443 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1444 1445 switch (softc->state) { 1446 case CD_STATE_NORMAL: 1447 { 1448 bp = bioq_first(&softc->bio_queue); 1449 if (periph->immediate_priority <= periph->pinfo.priority) { 1450 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1451 1452 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1453 periph_links.sle); 1454 periph->immediate_priority = CAM_PRIORITY_NONE; 1455 wakeup(&periph->ccb_list); 1456 } else if (bp == NULL) { 1457 xpt_release_ccb(start_ccb); 1458 } else { 1459 bioq_remove(&softc->bio_queue, bp); 1460 1461 scsi_read_write(&start_ccb->csio, 1462 /*retries*/ cd_retry_count, 1463 /* cbfcnp */ cddone, 1464 MSG_SIMPLE_Q_TAG, 1465 /* read */bp->bio_cmd == BIO_READ, 1466 /* byte2 */ 0, 1467 /* minimum_cmd_size */ 10, 1468 /* lba */ bp->bio_offset / 1469 softc->params.blksize, 1470 bp->bio_bcount / softc->params.blksize, 1471 /* data_ptr */ bp->bio_data, 1472 /* dxfer_len */ bp->bio_bcount, 1473 /* sense_len */ SSD_FULL_SIZE, 1474 /* timeout */ 30000); 1475 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1476 1477 1478 LIST_INSERT_HEAD(&softc->pending_ccbs, 1479 &start_ccb->ccb_h, periph_links.le); 1480 softc->outstanding_cmds++; 1481 1482 /* We expect a unit attention from this device */ 1483 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1484 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1485 softc->flags &= ~CD_FLAG_RETRY_UA; 1486 } 1487 1488 start_ccb->ccb_h.ccb_bp = bp; 1489 bp = bioq_first(&softc->bio_queue); 1490 1491 xpt_action(start_ccb); 1492 } 1493 if (bp != NULL) { 1494 /* Have more work to do, so ensure we stay scheduled */ 1495 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1496 } 1497 break; 1498 } 1499 case CD_STATE_PROBE: 1500 { 1501 1502 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1503 M_SCSICD, M_NOWAIT | M_ZERO); 1504 if (rcap == NULL) { 1505 xpt_print(periph->path, 1506 "cdstart: Couldn't malloc read_capacity data\n"); 1507 /* cd_free_periph??? */ 1508 break; 1509 } 1510 csio = &start_ccb->csio; 1511 scsi_read_capacity(csio, 1512 /*retries*/ cd_retry_count, 1513 cddone, 1514 MSG_SIMPLE_Q_TAG, 1515 rcap, 1516 SSD_FULL_SIZE, 1517 /*timeout*/20000); 1518 start_ccb->ccb_h.ccb_bp = NULL; 1519 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1520 xpt_action(start_ccb); 1521 break; 1522 } 1523 } 1524} 1525 1526static void 1527cddone(struct cam_periph *periph, union ccb *done_ccb) 1528{ 1529 struct cd_softc *softc; 1530 struct ccb_scsiio *csio; 1531 1532 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1533 1534 softc = (struct cd_softc *)periph->softc; 1535 csio = &done_ccb->csio; 1536 1537 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1538 case CD_CCB_BUFFER_IO: 1539 { 1540 struct bio *bp; 1541 int error; 1542 1543 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1544 error = 0; 1545 1546 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1547 int sf; 1548 1549 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1550 sf = SF_RETRY_UA; 1551 else 1552 sf = 0; 1553 1554 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1555 if (error == ERESTART) { 1556 /* 1557 * A retry was scheuled, so 1558 * just return. 1559 */ 1560 return; 1561 } 1562 } 1563 1564 if (error != 0) { 1565 xpt_print(periph->path, 1566 "cddone: got error %#x back\n", error); 1567 bioq_flush(&softc->bio_queue, NULL, EIO); 1568 bp->bio_resid = bp->bio_bcount; 1569 bp->bio_error = error; 1570 bp->bio_flags |= BIO_ERROR; 1571 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1572 cam_release_devq(done_ccb->ccb_h.path, 1573 /*relsim_flags*/0, 1574 /*reduction*/0, 1575 /*timeout*/0, 1576 /*getcount_only*/0); 1577 1578 } else { 1579 bp->bio_resid = csio->resid; 1580 bp->bio_error = 0; 1581 if (bp->bio_resid != 0) { 1582 /* 1583 * Short transfer ??? 1584 * XXX: not sure this is correct for partial 1585 * transfers at EOM 1586 */ 1587 bp->bio_flags |= BIO_ERROR; 1588 } 1589 } 1590 1591 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1592 softc->outstanding_cmds--; 1593 1594 if (softc->flags & CD_FLAG_CHANGER) 1595 cdchangerschedule(softc); 1596 1597 biofinish(bp, NULL, 0); 1598 break; 1599 } 1600 case CD_CCB_PROBE: 1601 { 1602 struct scsi_read_capacity_data *rdcap; 1603 char announce_buf[120]; /* 1604 * Currently (9/30/97) the 1605 * longest possible announce 1606 * buffer is 108 bytes, for the 1607 * first error case below. 1608 * That is 39 bytes for the 1609 * basic string, 16 bytes for the 1610 * biggest sense key (hardware 1611 * error), 52 bytes for the 1612 * text of the largest sense 1613 * qualifier valid for a CDROM, 1614 * (0x72, 0x03 or 0x04, 1615 * 0x03), and one byte for the 1616 * null terminating character. 1617 * To allow for longer strings, 1618 * the announce buffer is 120 1619 * bytes. 1620 */ 1621 struct cd_params *cdp; 1622 1623 cdp = &softc->params; 1624 1625 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1626 1627 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1628 cdp->blksize = scsi_4btoul (rdcap->length); 1629 1630 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1631 1632 snprintf(announce_buf, sizeof(announce_buf), 1633 "cd present [%lu x %lu byte records]", 1634 cdp->disksize, (u_long)cdp->blksize); 1635 1636 } else { 1637 int error; 1638 /* 1639 * Retry any UNIT ATTENTION type errors. They 1640 * are expected at boot. 1641 */ 1642 error = cderror(done_ccb, CAM_RETRY_SELTO, 1643 SF_RETRY_UA | SF_NO_PRINT); 1644 if (error == ERESTART) { 1645 /* 1646 * A retry was scheuled, so 1647 * just return. 1648 */ 1649 return; 1650 } else if (error != 0) { 1651 1652 struct scsi_sense_data *sense; 1653 int asc, ascq; 1654 int sense_key, error_code; 1655 int have_sense; 1656 cam_status status; 1657 struct ccb_getdev cgd; 1658 1659 /* Don't wedge this device's queue */ 1660 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1661 cam_release_devq(done_ccb->ccb_h.path, 1662 /*relsim_flags*/0, 1663 /*reduction*/0, 1664 /*timeout*/0, 1665 /*getcount_only*/0); 1666 1667 status = done_ccb->ccb_h.status; 1668 1669 xpt_setup_ccb(&cgd.ccb_h, 1670 done_ccb->ccb_h.path, 1671 CAM_PRIORITY_NORMAL); 1672 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1673 xpt_action((union ccb *)&cgd); 1674 1675 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1676 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1677 || ((status & CAM_AUTOSNS_VALID) == 0)) 1678 have_sense = FALSE; 1679 else 1680 have_sense = TRUE; 1681 1682 if (have_sense) { 1683 sense = &csio->sense_data; 1684 scsi_extract_sense(sense, &error_code, 1685 &sense_key, 1686 &asc, &ascq); 1687 } 1688 /* 1689 * Attach to anything that claims to be a 1690 * CDROM or WORM device, as long as it 1691 * doesn't return a "Logical unit not 1692 * supported" (0x25) error. 1693 */ 1694 if ((have_sense) && (asc != 0x25) 1695 && (error_code == SSD_CURRENT_ERROR)) { 1696 const char *sense_key_desc; 1697 const char *asc_desc; 1698 1699 scsi_sense_desc(sense_key, asc, ascq, 1700 &cgd.inq_data, 1701 &sense_key_desc, 1702 &asc_desc); 1703 snprintf(announce_buf, 1704 sizeof(announce_buf), 1705 "Attempt to query device " 1706 "size failed: %s, %s", 1707 sense_key_desc, 1708 asc_desc); 1709 } else if ((have_sense == 0) 1710 && ((status & CAM_STATUS_MASK) == 1711 CAM_SCSI_STATUS_ERROR) 1712 && (csio->scsi_status == 1713 SCSI_STATUS_BUSY)) { 1714 snprintf(announce_buf, 1715 sizeof(announce_buf), 1716 "Attempt to query device " 1717 "size failed: SCSI Status: %s", 1718 scsi_status_string(csio)); 1719 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1720 /* 1721 * We only print out an error for 1722 * CDROM type devices. For WORM 1723 * devices, we don't print out an 1724 * error since a few WORM devices 1725 * don't support CDROM commands. 1726 * If we have sense information, go 1727 * ahead and print it out. 1728 * Otherwise, just say that we 1729 * couldn't attach. 1730 */ 1731 1732 /* 1733 * Just print out the error, not 1734 * the full probe message, when we 1735 * don't attach. 1736 */ 1737 if (have_sense) 1738 scsi_sense_print( 1739 &done_ccb->csio); 1740 else { 1741 xpt_print(periph->path, 1742 "got CAM status %#x\n", 1743 done_ccb->ccb_h.status); 1744 } 1745 xpt_print(periph->path, "fatal error, " 1746 "failed to attach to device\n"); 1747 /* 1748 * Invalidate this peripheral. 1749 */ 1750 cam_periph_invalidate(periph); 1751 1752 announce_buf[0] = '\0'; 1753 } else { 1754 1755 /* 1756 * Invalidate this peripheral. 1757 */ 1758 cam_periph_invalidate(periph); 1759 announce_buf[0] = '\0'; 1760 } 1761 } 1762 } 1763 free(rdcap, M_SCSICD); 1764 if (announce_buf[0] != '\0') { 1765 xpt_announce_periph(periph, announce_buf); 1766 if (softc->flags & CD_FLAG_CHANGER) 1767 cdchangerschedule(softc); 1768 /* 1769 * Create our sysctl variables, now that we know 1770 * we have successfully attached. 1771 */ 1772 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1773 } 1774 softc->state = CD_STATE_NORMAL; 1775 /* 1776 * Since our peripheral may be invalidated by an error 1777 * above or an external event, we must release our CCB 1778 * before releasing the probe lock on the peripheral. 1779 * The peripheral will only go away once the last lock 1780 * is removed, and we need it around for the CCB release 1781 * operation. 1782 */ 1783 xpt_release_ccb(done_ccb); 1784 cam_periph_unhold(periph); 1785 return; 1786 } 1787 case CD_CCB_WAITING: 1788 { 1789 /* Caller will release the CCB */ 1790 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1791 ("trying to wakeup ccbwait\n")); 1792 1793 wakeup(&done_ccb->ccb_h.cbfcnp); 1794 return; 1795 } 1796 default: 1797 break; 1798 } 1799 xpt_release_ccb(done_ccb); 1800} 1801 1802static union cd_pages * 1803cdgetpage(struct cd_mode_params *mode_params) 1804{ 1805 union cd_pages *page; 1806 1807 if (mode_params->cdb_size == 10) 1808 page = (union cd_pages *)find_mode_page_10( 1809 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1810 else 1811 page = (union cd_pages *)find_mode_page_6( 1812 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1813 1814 return (page); 1815} 1816 1817static int 1818cdgetpagesize(int page_num) 1819{ 1820 int i; 1821 1822 for (i = 0; i < (sizeof(cd_page_size_table)/ 1823 sizeof(cd_page_size_table[0])); i++) { 1824 if (cd_page_size_table[i].page == page_num) 1825 return (cd_page_size_table[i].page_size); 1826 } 1827 1828 return (-1); 1829} 1830 1831static int 1832cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1833{ 1834 1835 struct cam_periph *periph; 1836 struct cd_softc *softc; 1837 int nocopyout, error = 0; 1838 1839 periph = (struct cam_periph *)dp->d_drv1; 1840 if (periph == NULL) 1841 return(ENXIO); 1842 1843 cam_periph_lock(periph); 1844 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1845 1846 softc = (struct cd_softc *)periph->softc; 1847 1848 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1849 ("trying to do ioctl %#lx\n", cmd)); 1850 1851 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1852 cam_periph_unlock(periph); 1853 cam_periph_release(periph); 1854 return (error); 1855 } 1856 1857 /* 1858 * If we don't have media loaded, check for it. If still don't 1859 * have media loaded, we can only do a load or eject. 1860 * 1861 * We only care whether media is loaded if this is a cd-specific ioctl 1862 * (thus the IOCGROUP check below). Note that this will break if 1863 * anyone adds any ioctls into the switch statement below that don't 1864 * have their ioctl group set to 'c'. 1865 */ 1866 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1867 && ((cmd != CDIOCCLOSE) 1868 && (cmd != CDIOCEJECT)) 1869 && (IOCGROUP(cmd) == 'c')) { 1870 error = cdcheckmedia(periph); 1871 if (error != 0) { 1872 cam_periph_unhold(periph); 1873 cam_periph_unlock(periph); 1874 return (error); 1875 } 1876 } 1877 /* 1878 * Drop the lock here so later mallocs can use WAITOK. The periph 1879 * is essentially locked still with the cam_periph_hold call above. 1880 */ 1881 cam_periph_unlock(periph); 1882 1883 nocopyout = 0; 1884 switch (cmd) { 1885 1886 case CDIOCPLAYTRACKS: 1887 { 1888 struct ioc_play_track *args 1889 = (struct ioc_play_track *) addr; 1890 struct cd_mode_params params; 1891 union cd_pages *page; 1892 1893 params.alloc_len = sizeof(union cd_mode_data_6_10); 1894 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1895 M_WAITOK | M_ZERO); 1896 1897 cam_periph_lock(periph); 1898 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1899 ("trying to do CDIOCPLAYTRACKS\n")); 1900 1901 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1902 if (error) { 1903 free(params.mode_buf, M_SCSICD); 1904 cam_periph_unlock(periph); 1905 break; 1906 } 1907 page = cdgetpage(¶ms); 1908 1909 page->audio.flags &= ~CD_PA_SOTC; 1910 page->audio.flags |= CD_PA_IMMED; 1911 error = cdsetmode(periph, ¶ms); 1912 free(params.mode_buf, M_SCSICD); 1913 if (error) { 1914 cam_periph_unlock(periph); 1915 break; 1916 } 1917 1918 /* 1919 * This was originally implemented with the PLAY 1920 * AUDIO TRACK INDEX command, but that command was 1921 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1922 * drives support it but ATAPI and ATAPI-derivative 1923 * drives don't seem to support it. So we keep a 1924 * cache of the table of contents and translate 1925 * track numbers to MSF format. 1926 */ 1927 if (softc->flags & CD_FLAG_VALID_TOC) { 1928 union msf_lba *sentry, *eentry; 1929 int st, et; 1930 1931 if (args->end_track < 1932 softc->toc.header.ending_track + 1) 1933 args->end_track++; 1934 if (args->end_track > 1935 softc->toc.header.ending_track + 1) 1936 args->end_track = 1937 softc->toc.header.ending_track + 1; 1938 st = args->start_track - 1939 softc->toc.header.starting_track; 1940 et = args->end_track - 1941 softc->toc.header.starting_track; 1942 if ((st < 0) 1943 || (et < 0) 1944 || (st > (softc->toc.header.ending_track - 1945 softc->toc.header.starting_track))) { 1946 error = EINVAL; 1947 break; 1948 } 1949 sentry = &softc->toc.entries[st].addr; 1950 eentry = &softc->toc.entries[et].addr; 1951 error = cdplaymsf(periph, 1952 sentry->msf.minute, 1953 sentry->msf.second, 1954 sentry->msf.frame, 1955 eentry->msf.minute, 1956 eentry->msf.second, 1957 eentry->msf.frame); 1958 } else { 1959 /* 1960 * If we don't have a valid TOC, try the 1961 * play track index command. It is part of 1962 * the SCSI-2 spec, but was removed in the 1963 * MMC specs. ATAPI and ATAPI-derived 1964 * drives don't support it. 1965 */ 1966 if (softc->quirks & CD_Q_BCD_TRACKS) { 1967 args->start_track = 1968 bin2bcd(args->start_track); 1969 args->end_track = 1970 bin2bcd(args->end_track); 1971 } 1972 error = cdplaytracks(periph, 1973 args->start_track, 1974 args->start_index, 1975 args->end_track, 1976 args->end_index); 1977 } 1978 cam_periph_unlock(periph); 1979 } 1980 break; 1981 case CDIOCPLAYMSF: 1982 { 1983 struct ioc_play_msf *args 1984 = (struct ioc_play_msf *) addr; 1985 struct cd_mode_params params; 1986 union cd_pages *page; 1987 1988 params.alloc_len = sizeof(union cd_mode_data_6_10); 1989 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1990 M_WAITOK | M_ZERO); 1991 1992 cam_periph_lock(periph); 1993 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1994 ("trying to do CDIOCPLAYMSF\n")); 1995 1996 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1997 if (error) { 1998 free(params.mode_buf, M_SCSICD); 1999 cam_periph_unlock(periph); 2000 break; 2001 } 2002 page = cdgetpage(¶ms); 2003 2004 page->audio.flags &= ~CD_PA_SOTC; 2005 page->audio.flags |= CD_PA_IMMED; 2006 error = cdsetmode(periph, ¶ms); 2007 free(params.mode_buf, M_SCSICD); 2008 if (error) { 2009 cam_periph_unlock(periph); 2010 break; 2011 } 2012 error = cdplaymsf(periph, 2013 args->start_m, 2014 args->start_s, 2015 args->start_f, 2016 args->end_m, 2017 args->end_s, 2018 args->end_f); 2019 cam_periph_unlock(periph); 2020 } 2021 break; 2022 case CDIOCPLAYBLOCKS: 2023 { 2024 struct ioc_play_blocks *args 2025 = (struct ioc_play_blocks *) addr; 2026 struct cd_mode_params params; 2027 union cd_pages *page; 2028 2029 params.alloc_len = sizeof(union cd_mode_data_6_10); 2030 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2031 M_WAITOK | M_ZERO); 2032 2033 cam_periph_lock(periph); 2034 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2035 ("trying to do CDIOCPLAYBLOCKS\n")); 2036 2037 2038 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2039 if (error) { 2040 free(params.mode_buf, M_SCSICD); 2041 cam_periph_unlock(periph); 2042 break; 2043 } 2044 page = cdgetpage(¶ms); 2045 2046 page->audio.flags &= ~CD_PA_SOTC; 2047 page->audio.flags |= CD_PA_IMMED; 2048 error = cdsetmode(periph, ¶ms); 2049 free(params.mode_buf, M_SCSICD); 2050 if (error) { 2051 cam_periph_unlock(periph); 2052 break; 2053 } 2054 error = cdplay(periph, args->blk, args->len); 2055 cam_periph_unlock(periph); 2056 } 2057 break; 2058 case CDIOCREADSUBCHANNEL_SYSSPACE: 2059 nocopyout = 1; 2060 /* Fallthrough */ 2061 case CDIOCREADSUBCHANNEL: 2062 { 2063 struct ioc_read_subchannel *args 2064 = (struct ioc_read_subchannel *) addr; 2065 struct cd_sub_channel_info *data; 2066 u_int32_t len = args->data_len; 2067 2068 data = malloc(sizeof(struct cd_sub_channel_info), 2069 M_SCSICD, M_WAITOK | M_ZERO); 2070 2071 cam_periph_lock(periph); 2072 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2073 ("trying to do CDIOCREADSUBCHANNEL\n")); 2074 2075 if ((len > sizeof(struct cd_sub_channel_info)) || 2076 (len < sizeof(struct cd_sub_channel_header))) { 2077 printf( 2078 "scsi_cd: cdioctl: " 2079 "cdioreadsubchannel: error, len=%d\n", 2080 len); 2081 error = EINVAL; 2082 free(data, M_SCSICD); 2083 cam_periph_unlock(periph); 2084 break; 2085 } 2086 2087 if (softc->quirks & CD_Q_BCD_TRACKS) 2088 args->track = bin2bcd(args->track); 2089 2090 error = cdreadsubchannel(periph, args->address_format, 2091 args->data_format, args->track, data, len); 2092 2093 if (error) { 2094 free(data, M_SCSICD); 2095 cam_periph_unlock(periph); 2096 break; 2097 } 2098 if (softc->quirks & CD_Q_BCD_TRACKS) 2099 data->what.track_info.track_number = 2100 bcd2bin(data->what.track_info.track_number); 2101 len = min(len, ((data->header.data_len[0] << 8) + 2102 data->header.data_len[1] + 2103 sizeof(struct cd_sub_channel_header))); 2104 cam_periph_unlock(periph); 2105 if (nocopyout == 0) { 2106 if (copyout(data, args->data, len) != 0) { 2107 error = EFAULT; 2108 } 2109 } else { 2110 bcopy(data, args->data, len); 2111 } 2112 free(data, M_SCSICD); 2113 } 2114 break; 2115 2116 case CDIOREADTOCHEADER: 2117 { 2118 struct ioc_toc_header *th; 2119 2120 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2121 M_WAITOK | M_ZERO); 2122 2123 cam_periph_lock(periph); 2124 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2125 ("trying to do CDIOREADTOCHEADER\n")); 2126 2127 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2128 sizeof (*th), /*sense_flags*/0); 2129 if (error) { 2130 free(th, M_SCSICD); 2131 cam_periph_unlock(periph); 2132 break; 2133 } 2134 if (softc->quirks & CD_Q_BCD_TRACKS) { 2135 /* we are going to have to convert the BCD 2136 * encoding on the cd to what is expected 2137 */ 2138 th->starting_track = 2139 bcd2bin(th->starting_track); 2140 th->ending_track = bcd2bin(th->ending_track); 2141 } 2142 th->len = ntohs(th->len); 2143 bcopy(th, addr, sizeof(*th)); 2144 free(th, M_SCSICD); 2145 cam_periph_unlock(periph); 2146 } 2147 break; 2148 case CDIOREADTOCENTRYS: 2149 { 2150 struct cd_tocdata *data; 2151 struct cd_toc_single *lead; 2152 struct ioc_read_toc_entry *te = 2153 (struct ioc_read_toc_entry *) addr; 2154 struct ioc_toc_header *th; 2155 u_int32_t len, readlen, idx, num; 2156 u_int32_t starting_track = te->starting_track; 2157 2158 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2159 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2160 2161 cam_periph_lock(periph); 2162 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2163 ("trying to do CDIOREADTOCENTRYS\n")); 2164 2165 if (te->data_len < sizeof(struct cd_toc_entry) 2166 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2167 || (te->address_format != CD_MSF_FORMAT 2168 && te->address_format != CD_LBA_FORMAT)) { 2169 error = EINVAL; 2170 printf("scsi_cd: error in readtocentries, " 2171 "returning EINVAL\n"); 2172 free(data, M_SCSICD); 2173 free(lead, M_SCSICD); 2174 cam_periph_unlock(periph); 2175 break; 2176 } 2177 2178 th = &data->header; 2179 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2180 sizeof (*th), /*sense_flags*/0); 2181 if (error) { 2182 free(data, M_SCSICD); 2183 free(lead, M_SCSICD); 2184 cam_periph_unlock(periph); 2185 break; 2186 } 2187 2188 if (softc->quirks & CD_Q_BCD_TRACKS) { 2189 /* we are going to have to convert the BCD 2190 * encoding on the cd to what is expected 2191 */ 2192 th->starting_track = 2193 bcd2bin(th->starting_track); 2194 th->ending_track = bcd2bin(th->ending_track); 2195 } 2196 2197 if (starting_track == 0) 2198 starting_track = th->starting_track; 2199 else if (starting_track == LEADOUT) 2200 starting_track = th->ending_track + 1; 2201 else if (starting_track < th->starting_track || 2202 starting_track > th->ending_track + 1) { 2203 printf("scsi_cd: error in readtocentries, " 2204 "returning EINVAL\n"); 2205 free(data, M_SCSICD); 2206 free(lead, M_SCSICD); 2207 cam_periph_unlock(periph); 2208 error = EINVAL; 2209 break; 2210 } 2211 2212 /* calculate reading length without leadout entry */ 2213 readlen = (th->ending_track - starting_track + 1) * 2214 sizeof(struct cd_toc_entry); 2215 2216 /* and with leadout entry */ 2217 len = readlen + sizeof(struct cd_toc_entry); 2218 if (te->data_len < len) { 2219 len = te->data_len; 2220 if (readlen > len) 2221 readlen = len; 2222 } 2223 if (len > sizeof(data->entries)) { 2224 printf("scsi_cd: error in readtocentries, " 2225 "returning EINVAL\n"); 2226 error = EINVAL; 2227 free(data, M_SCSICD); 2228 free(lead, M_SCSICD); 2229 cam_periph_unlock(periph); 2230 break; 2231 } 2232 num = len / sizeof(struct cd_toc_entry); 2233 2234 if (readlen > 0) { 2235 error = cdreadtoc(periph, te->address_format, 2236 starting_track, 2237 (u_int8_t *)data, 2238 readlen + sizeof (*th), 2239 /*sense_flags*/0); 2240 if (error) { 2241 free(data, M_SCSICD); 2242 free(lead, M_SCSICD); 2243 cam_periph_unlock(periph); 2244 break; 2245 } 2246 } 2247 2248 /* make leadout entry if needed */ 2249 idx = starting_track + num - 1; 2250 if (softc->quirks & CD_Q_BCD_TRACKS) 2251 th->ending_track = bcd2bin(th->ending_track); 2252 if (idx == th->ending_track + 1) { 2253 error = cdreadtoc(periph, te->address_format, 2254 LEADOUT, (u_int8_t *)lead, 2255 sizeof(*lead), 2256 /*sense_flags*/0); 2257 if (error) { 2258 free(data, M_SCSICD); 2259 free(lead, M_SCSICD); 2260 cam_periph_unlock(periph); 2261 break; 2262 } 2263 data->entries[idx - starting_track] = 2264 lead->entry; 2265 } 2266 if (softc->quirks & CD_Q_BCD_TRACKS) { 2267 for (idx = 0; idx < num - 1; idx++) { 2268 data->entries[idx].track = 2269 bcd2bin(data->entries[idx].track); 2270 } 2271 } 2272 2273 cam_periph_unlock(periph); 2274 error = copyout(data->entries, te->data, len); 2275 free(data, M_SCSICD); 2276 free(lead, M_SCSICD); 2277 } 2278 break; 2279 case CDIOREADTOCENTRY: 2280 { 2281 struct cd_toc_single *data; 2282 struct ioc_read_toc_single_entry *te = 2283 (struct ioc_read_toc_single_entry *) addr; 2284 struct ioc_toc_header *th; 2285 u_int32_t track; 2286 2287 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2288 2289 cam_periph_lock(periph); 2290 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2291 ("trying to do CDIOREADTOCENTRY\n")); 2292 2293 if (te->address_format != CD_MSF_FORMAT 2294 && te->address_format != CD_LBA_FORMAT) { 2295 printf("error in readtocentry, " 2296 " returning EINVAL\n"); 2297 free(data, M_SCSICD); 2298 error = EINVAL; 2299 cam_periph_unlock(periph); 2300 break; 2301 } 2302 2303 th = &data->header; 2304 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2305 sizeof (*th), /*sense_flags*/0); 2306 if (error) { 2307 free(data, M_SCSICD); 2308 cam_periph_unlock(periph); 2309 break; 2310 } 2311 2312 if (softc->quirks & CD_Q_BCD_TRACKS) { 2313 /* we are going to have to convert the BCD 2314 * encoding on the cd to what is expected 2315 */ 2316 th->starting_track = 2317 bcd2bin(th->starting_track); 2318 th->ending_track = bcd2bin(th->ending_track); 2319 } 2320 track = te->track; 2321 if (track == 0) 2322 track = th->starting_track; 2323 else if (track == LEADOUT) 2324 /* OK */; 2325 else if (track < th->starting_track || 2326 track > th->ending_track + 1) { 2327 printf("error in readtocentry, " 2328 " returning EINVAL\n"); 2329 free(data, M_SCSICD); 2330 error = EINVAL; 2331 cam_periph_unlock(periph); 2332 break; 2333 } 2334 2335 error = cdreadtoc(periph, te->address_format, track, 2336 (u_int8_t *)data, sizeof(*data), 2337 /*sense_flags*/0); 2338 if (error) { 2339 free(data, M_SCSICD); 2340 cam_periph_unlock(periph); 2341 break; 2342 } 2343 2344 if (softc->quirks & CD_Q_BCD_TRACKS) 2345 data->entry.track = bcd2bin(data->entry.track); 2346 bcopy(&data->entry, &te->entry, 2347 sizeof(struct cd_toc_entry)); 2348 free(data, M_SCSICD); 2349 cam_periph_unlock(periph); 2350 } 2351 break; 2352 case CDIOCSETPATCH: 2353 { 2354 struct ioc_patch *arg = (struct ioc_patch *)addr; 2355 struct cd_mode_params params; 2356 union cd_pages *page; 2357 2358 params.alloc_len = sizeof(union cd_mode_data_6_10); 2359 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2360 M_WAITOK | M_ZERO); 2361 2362 cam_periph_lock(periph); 2363 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2364 ("trying to do CDIOCSETPATCH\n")); 2365 2366 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2367 if (error) { 2368 free(params.mode_buf, M_SCSICD); 2369 cam_periph_unlock(periph); 2370 break; 2371 } 2372 page = cdgetpage(¶ms); 2373 2374 page->audio.port[LEFT_PORT].channels = 2375 arg->patch[0]; 2376 page->audio.port[RIGHT_PORT].channels = 2377 arg->patch[1]; 2378 page->audio.port[2].channels = arg->patch[2]; 2379 page->audio.port[3].channels = arg->patch[3]; 2380 error = cdsetmode(periph, ¶ms); 2381 free(params.mode_buf, M_SCSICD); 2382 cam_periph_unlock(periph); 2383 } 2384 break; 2385 case CDIOCGETVOL: 2386 { 2387 struct ioc_vol *arg = (struct ioc_vol *) addr; 2388 struct cd_mode_params params; 2389 union cd_pages *page; 2390 2391 params.alloc_len = sizeof(union cd_mode_data_6_10); 2392 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2393 M_WAITOK | M_ZERO); 2394 2395 cam_periph_lock(periph); 2396 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2397 ("trying to do CDIOCGETVOL\n")); 2398 2399 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2400 if (error) { 2401 free(params.mode_buf, M_SCSICD); 2402 cam_periph_unlock(periph); 2403 break; 2404 } 2405 page = cdgetpage(¶ms); 2406 2407 arg->vol[LEFT_PORT] = 2408 page->audio.port[LEFT_PORT].volume; 2409 arg->vol[RIGHT_PORT] = 2410 page->audio.port[RIGHT_PORT].volume; 2411 arg->vol[2] = page->audio.port[2].volume; 2412 arg->vol[3] = page->audio.port[3].volume; 2413 free(params.mode_buf, M_SCSICD); 2414 cam_periph_unlock(periph); 2415 } 2416 break; 2417 case CDIOCSETVOL: 2418 { 2419 struct ioc_vol *arg = (struct ioc_vol *) addr; 2420 struct cd_mode_params params; 2421 union cd_pages *page; 2422 2423 params.alloc_len = sizeof(union cd_mode_data_6_10); 2424 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2425 M_WAITOK | M_ZERO); 2426 2427 cam_periph_lock(periph); 2428 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2429 ("trying to do CDIOCSETVOL\n")); 2430 2431 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2432 if (error) { 2433 free(params.mode_buf, M_SCSICD); 2434 cam_periph_unlock(periph); 2435 break; 2436 } 2437 page = cdgetpage(¶ms); 2438 2439 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2440 page->audio.port[LEFT_PORT].volume = 2441 arg->vol[LEFT_PORT]; 2442 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2443 page->audio.port[RIGHT_PORT].volume = 2444 arg->vol[RIGHT_PORT]; 2445 page->audio.port[2].volume = arg->vol[2]; 2446 page->audio.port[3].volume = arg->vol[3]; 2447 error = cdsetmode(periph, ¶ms); 2448 cam_periph_unlock(periph); 2449 free(params.mode_buf, M_SCSICD); 2450 } 2451 break; 2452 case CDIOCSETMONO: 2453 { 2454 struct cd_mode_params params; 2455 union cd_pages *page; 2456 2457 params.alloc_len = sizeof(union cd_mode_data_6_10); 2458 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2459 M_WAITOK | M_ZERO); 2460 2461 cam_periph_lock(periph); 2462 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2463 ("trying to do CDIOCSETMONO\n")); 2464 2465 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2466 if (error) { 2467 free(params.mode_buf, M_SCSICD); 2468 cam_periph_unlock(periph); 2469 break; 2470 } 2471 page = cdgetpage(¶ms); 2472 2473 page->audio.port[LEFT_PORT].channels = 2474 LEFT_CHANNEL | RIGHT_CHANNEL; 2475 page->audio.port[RIGHT_PORT].channels = 2476 LEFT_CHANNEL | RIGHT_CHANNEL; 2477 page->audio.port[2].channels = 0; 2478 page->audio.port[3].channels = 0; 2479 error = cdsetmode(periph, ¶ms); 2480 cam_periph_unlock(periph); 2481 free(params.mode_buf, M_SCSICD); 2482 } 2483 break; 2484 case CDIOCSETSTEREO: 2485 { 2486 struct cd_mode_params params; 2487 union cd_pages *page; 2488 2489 params.alloc_len = sizeof(union cd_mode_data_6_10); 2490 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2491 M_WAITOK | M_ZERO); 2492 2493 cam_periph_lock(periph); 2494 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2495 ("trying to do CDIOCSETSTEREO\n")); 2496 2497 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2498 if (error) { 2499 free(params.mode_buf, M_SCSICD); 2500 cam_periph_unlock(periph); 2501 break; 2502 } 2503 page = cdgetpage(¶ms); 2504 2505 page->audio.port[LEFT_PORT].channels = 2506 LEFT_CHANNEL; 2507 page->audio.port[RIGHT_PORT].channels = 2508 RIGHT_CHANNEL; 2509 page->audio.port[2].channels = 0; 2510 page->audio.port[3].channels = 0; 2511 error = cdsetmode(periph, ¶ms); 2512 free(params.mode_buf, M_SCSICD); 2513 cam_periph_unlock(periph); 2514 } 2515 break; 2516 case CDIOCSETMUTE: 2517 { 2518 struct cd_mode_params params; 2519 union cd_pages *page; 2520 2521 params.alloc_len = sizeof(union cd_mode_data_6_10); 2522 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2523 M_WAITOK | M_ZERO); 2524 2525 cam_periph_lock(periph); 2526 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2527 ("trying to do CDIOCSETMUTE\n")); 2528 2529 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2530 if (error) { 2531 free(¶ms.mode_buf, M_SCSICD); 2532 cam_periph_unlock(periph); 2533 break; 2534 } 2535 page = cdgetpage(¶ms); 2536 2537 page->audio.port[LEFT_PORT].channels = 0; 2538 page->audio.port[RIGHT_PORT].channels = 0; 2539 page->audio.port[2].channels = 0; 2540 page->audio.port[3].channels = 0; 2541 error = cdsetmode(periph, ¶ms); 2542 free(params.mode_buf, M_SCSICD); 2543 cam_periph_unlock(periph); 2544 } 2545 break; 2546 case CDIOCSETLEFT: 2547 { 2548 struct cd_mode_params params; 2549 union cd_pages *page; 2550 2551 params.alloc_len = sizeof(union cd_mode_data_6_10); 2552 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2553 M_WAITOK | M_ZERO); 2554 2555 cam_periph_lock(periph); 2556 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2557 ("trying to do CDIOCSETLEFT\n")); 2558 2559 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2560 if (error) { 2561 free(params.mode_buf, M_SCSICD); 2562 cam_periph_unlock(periph); 2563 break; 2564 } 2565 page = cdgetpage(¶ms); 2566 2567 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2568 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2569 page->audio.port[2].channels = 0; 2570 page->audio.port[3].channels = 0; 2571 error = cdsetmode(periph, ¶ms); 2572 free(params.mode_buf, M_SCSICD); 2573 cam_periph_unlock(periph); 2574 } 2575 break; 2576 case CDIOCSETRIGHT: 2577 { 2578 struct cd_mode_params params; 2579 union cd_pages *page; 2580 2581 params.alloc_len = sizeof(union cd_mode_data_6_10); 2582 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2583 M_WAITOK | M_ZERO); 2584 2585 cam_periph_lock(periph); 2586 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2587 ("trying to do CDIOCSETRIGHT\n")); 2588 2589 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2590 if (error) { 2591 free(params.mode_buf, M_SCSICD); 2592 cam_periph_unlock(periph); 2593 break; 2594 } 2595 page = cdgetpage(¶ms); 2596 2597 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2598 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2599 page->audio.port[2].channels = 0; 2600 page->audio.port[3].channels = 0; 2601 error = cdsetmode(periph, ¶ms); 2602 free(params.mode_buf, M_SCSICD); 2603 cam_periph_unlock(periph); 2604 } 2605 break; 2606 case CDIOCRESUME: 2607 cam_periph_lock(periph); 2608 error = cdpause(periph, 1); 2609 cam_periph_unlock(periph); 2610 break; 2611 case CDIOCPAUSE: 2612 cam_periph_lock(periph); 2613 error = cdpause(periph, 0); 2614 cam_periph_unlock(periph); 2615 break; 2616 case CDIOCSTART: 2617 cam_periph_lock(periph); 2618 error = cdstartunit(periph, 0); 2619 cam_periph_unlock(periph); 2620 break; 2621 case CDIOCCLOSE: 2622 cam_periph_lock(periph); 2623 error = cdstartunit(periph, 1); 2624 cam_periph_unlock(periph); 2625 break; 2626 case CDIOCSTOP: 2627 cam_periph_lock(periph); 2628 error = cdstopunit(periph, 0); 2629 cam_periph_unlock(periph); 2630 break; 2631 case CDIOCEJECT: 2632 cam_periph_lock(periph); 2633 error = cdstopunit(periph, 1); 2634 cam_periph_unlock(periph); 2635 break; 2636 case CDIOCALLOW: 2637 cam_periph_lock(periph); 2638 cdprevent(periph, PR_ALLOW); 2639 cam_periph_unlock(periph); 2640 break; 2641 case CDIOCPREVENT: 2642 cam_periph_lock(periph); 2643 cdprevent(periph, PR_PREVENT); 2644 cam_periph_unlock(periph); 2645 break; 2646 case CDIOCSETDEBUG: 2647 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2648 error = ENOTTY; 2649 break; 2650 case CDIOCCLRDEBUG: 2651 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2652 error = ENOTTY; 2653 break; 2654 case CDIOCRESET: 2655 /* return (cd_reset(periph)); */ 2656 error = ENOTTY; 2657 break; 2658 case CDRIOCREADSPEED: 2659 cam_periph_lock(periph); 2660 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2661 cam_periph_unlock(periph); 2662 break; 2663 case CDRIOCWRITESPEED: 2664 cam_periph_lock(periph); 2665 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2666 cam_periph_unlock(periph); 2667 break; 2668 case DVDIOCSENDKEY: 2669 case DVDIOCREPORTKEY: { 2670 struct dvd_authinfo *authinfo; 2671 2672 authinfo = (struct dvd_authinfo *)addr; 2673 2674 if (cmd == DVDIOCREPORTKEY) 2675 error = cdreportkey(periph, authinfo); 2676 else 2677 error = cdsendkey(periph, authinfo); 2678 break; 2679 } 2680 case DVDIOCREADSTRUCTURE: { 2681 struct dvd_struct *dvdstruct; 2682 2683 dvdstruct = (struct dvd_struct *)addr; 2684 2685 error = cdreaddvdstructure(periph, dvdstruct); 2686 2687 break; 2688 } 2689 default: 2690 cam_periph_lock(periph); 2691 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2692 cam_periph_unlock(periph); 2693 break; 2694 } 2695 2696 cam_periph_lock(periph); 2697 cam_periph_unhold(periph); 2698 2699 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2700 if (error && bootverbose) { 2701 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2702 } 2703 cam_periph_unlock(periph); 2704 2705 return (error); 2706} 2707 2708static void 2709cdprevent(struct cam_periph *periph, int action) 2710{ 2711 union ccb *ccb; 2712 struct cd_softc *softc; 2713 int error; 2714 2715 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2716 2717 softc = (struct cd_softc *)periph->softc; 2718 2719 if (((action == PR_ALLOW) 2720 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2721 || ((action == PR_PREVENT) 2722 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2723 return; 2724 } 2725 2726 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2727 2728 scsi_prevent(&ccb->csio, 2729 /*retries*/ cd_retry_count, 2730 cddone, 2731 MSG_SIMPLE_Q_TAG, 2732 action, 2733 SSD_FULL_SIZE, 2734 /* timeout */60000); 2735 2736 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2737 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2738 2739 xpt_release_ccb(ccb); 2740 2741 if (error == 0) { 2742 if (action == PR_ALLOW) 2743 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2744 else 2745 softc->flags |= CD_FLAG_DISC_LOCKED; 2746 } 2747} 2748 2749/* 2750 * XXX: the disk media and sector size is only really able to change 2751 * XXX: while the device is closed. 2752 */ 2753static int 2754cdcheckmedia(struct cam_periph *periph) 2755{ 2756 struct cd_softc *softc; 2757 struct ioc_toc_header *toch; 2758 struct cd_toc_single leadout; 2759 u_int32_t size, toclen; 2760 int error, num_entries, cdindex; 2761 2762 softc = (struct cd_softc *)periph->softc; 2763 2764 cdprevent(periph, PR_PREVENT); 2765 softc->disk->d_sectorsize = 2048; 2766 softc->disk->d_mediasize = 0; 2767 2768 /* 2769 * Get the disc size and block size. If we can't get it, we don't 2770 * have media, most likely. 2771 */ 2772 if ((error = cdsize(periph, &size)) != 0) { 2773 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2774 cdprevent(periph, PR_ALLOW); 2775 return (error); 2776 } else { 2777 softc->flags |= CD_FLAG_VALID_MEDIA; 2778 softc->disk->d_sectorsize = softc->params.blksize; 2779 softc->disk->d_mediasize = 2780 (off_t)softc->params.blksize * softc->params.disksize; 2781 } 2782 2783 /* 2784 * Now we check the table of contents. This (currently) is only 2785 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2786 * things like present a separate entry in /dev for each track, 2787 * like that acd(4) driver does. 2788 */ 2789 bzero(&softc->toc, sizeof(softc->toc)); 2790 toch = &softc->toc.header; 2791 /* 2792 * We will get errors here for media that doesn't have a table of 2793 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2794 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2795 * has not been recorded (no complete session) and the Format codes 2796 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2797 * with an INVALID FIELD IN CDB. Devices that are not capable of 2798 * reading an incomplete session on DDC/CD-R/RW media shall report 2799 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2800 * 2801 * So this isn't fatal if we can't read the table of contents, it 2802 * just means that the user won't be able to issue the play tracks 2803 * ioctl, and likely lots of other stuff won't work either. They 2804 * need to burn the CD before we can do a whole lot with it. So 2805 * we don't print anything here if we get an error back. 2806 */ 2807 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2808 SF_NO_PRINT); 2809 /* 2810 * Errors in reading the table of contents aren't fatal, we just 2811 * won't have a valid table of contents cached. 2812 */ 2813 if (error != 0) { 2814 error = 0; 2815 bzero(&softc->toc, sizeof(softc->toc)); 2816 goto bailout; 2817 } 2818 2819 if (softc->quirks & CD_Q_BCD_TRACKS) { 2820 toch->starting_track = bcd2bin(toch->starting_track); 2821 toch->ending_track = bcd2bin(toch->ending_track); 2822 } 2823 2824 /* Number of TOC entries, plus leadout */ 2825 num_entries = (toch->ending_track - toch->starting_track) + 2; 2826 2827 if (num_entries <= 0) 2828 goto bailout; 2829 2830 toclen = num_entries * sizeof(struct cd_toc_entry); 2831 2832 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2833 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2834 SF_NO_PRINT); 2835 if (error != 0) { 2836 error = 0; 2837 bzero(&softc->toc, sizeof(softc->toc)); 2838 goto bailout; 2839 } 2840 2841 if (softc->quirks & CD_Q_BCD_TRACKS) { 2842 toch->starting_track = bcd2bin(toch->starting_track); 2843 toch->ending_track = bcd2bin(toch->ending_track); 2844 } 2845 /* 2846 * XXX KDM is this necessary? Probably only if the drive doesn't 2847 * return leadout information with the table of contents. 2848 */ 2849 cdindex = toch->starting_track + num_entries -1; 2850 if (cdindex == toch->ending_track + 1) { 2851 2852 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2853 (u_int8_t *)&leadout, sizeof(leadout), 2854 SF_NO_PRINT); 2855 if (error != 0) { 2856 error = 0; 2857 goto bailout; 2858 } 2859 softc->toc.entries[cdindex - toch->starting_track] = 2860 leadout.entry; 2861 } 2862 if (softc->quirks & CD_Q_BCD_TRACKS) { 2863 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2864 softc->toc.entries[cdindex].track = 2865 bcd2bin(softc->toc.entries[cdindex].track); 2866 } 2867 } 2868 2869 softc->flags |= CD_FLAG_VALID_TOC; 2870 2871bailout: 2872 2873 /* 2874 * We unconditionally (re)set the blocksize each time the 2875 * CD device is opened. This is because the CD can change, 2876 * and therefore the blocksize might change. 2877 * XXX problems here if some slice or partition is still 2878 * open with the old size? 2879 */ 2880 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2881 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2882 softc->disk->d_devstat->block_size = softc->params.blksize; 2883 2884 return (error); 2885} 2886 2887static int 2888cdsize(struct cam_periph *periph, u_int32_t *size) 2889{ 2890 struct cd_softc *softc; 2891 union ccb *ccb; 2892 struct scsi_read_capacity_data *rcap_buf; 2893 int error; 2894 2895 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2896 2897 softc = (struct cd_softc *)periph->softc; 2898 2899 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2900 2901 /* XXX Should be M_WAITOK */ 2902 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2903 M_SCSICD, M_NOWAIT | M_ZERO); 2904 if (rcap_buf == NULL) 2905 return (ENOMEM); 2906 2907 scsi_read_capacity(&ccb->csio, 2908 /*retries*/ cd_retry_count, 2909 cddone, 2910 MSG_SIMPLE_Q_TAG, 2911 rcap_buf, 2912 SSD_FULL_SIZE, 2913 /* timeout */20000); 2914 2915 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2916 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2917 2918 xpt_release_ccb(ccb); 2919 2920 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2921 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2922 /* Make sure we got at least some block size. */ 2923 if (error == 0 && softc->params.blksize == 0) 2924 error = EIO; 2925 /* 2926 * SCSI-3 mandates that the reported blocksize shall be 2048. 2927 * Older drives sometimes report funny values, trim it down to 2928 * 2048, or other parts of the kernel will get confused. 2929 * 2930 * XXX we leave drives alone that might report 512 bytes, as 2931 * well as drives reporting more weird sizes like perhaps 4K. 2932 */ 2933 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2934 softc->params.blksize = 2048; 2935 2936 free(rcap_buf, M_SCSICD); 2937 *size = softc->params.disksize; 2938 2939 return (error); 2940 2941} 2942 2943static int 2944cd6byteworkaround(union ccb *ccb) 2945{ 2946 u_int8_t *cdb; 2947 struct cam_periph *periph; 2948 struct cd_softc *softc; 2949 struct cd_mode_params *params; 2950 int frozen, found; 2951 2952 periph = xpt_path_periph(ccb->ccb_h.path); 2953 softc = (struct cd_softc *)periph->softc; 2954 2955 cdb = ccb->csio.cdb_io.cdb_bytes; 2956 2957 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2958 || ((cdb[0] != MODE_SENSE_6) 2959 && (cdb[0] != MODE_SELECT_6))) 2960 return (0); 2961 2962 /* 2963 * Because there is no convenient place to stash the overall 2964 * cd_mode_params structure pointer, we have to grab it like this. 2965 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2966 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2967 * 2968 * XXX It would be nice if, at some point, we could increase the 2969 * number of available peripheral private pointers. Both pointers 2970 * are currently used in most every peripheral driver. 2971 */ 2972 found = 0; 2973 2974 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2975 if (params->mode_buf == ccb->csio.data_ptr) { 2976 found = 1; 2977 break; 2978 } 2979 } 2980 2981 /* 2982 * This shouldn't happen. All mode sense and mode select 2983 * operations in the cd(4) driver MUST go through cdgetmode() and 2984 * cdsetmode()! 2985 */ 2986 if (found == 0) { 2987 xpt_print(periph->path, 2988 "mode buffer not found in mode queue!\n"); 2989 return (0); 2990 } 2991 2992 params->cdb_size = 10; 2993 softc->minimum_command_size = 10; 2994 xpt_print(ccb->ccb_h.path, 2995 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2996 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2997 2998 if (cdb[0] == MODE_SENSE_6) { 2999 struct scsi_mode_sense_10 ms10; 3000 struct scsi_mode_sense_6 *ms6; 3001 int len; 3002 3003 ms6 = (struct scsi_mode_sense_6 *)cdb; 3004 3005 bzero(&ms10, sizeof(ms10)); 3006 ms10.opcode = MODE_SENSE_10; 3007 ms10.byte2 = ms6->byte2; 3008 ms10.page = ms6->page; 3009 3010 /* 3011 * 10 byte mode header, block descriptor, 3012 * sizeof(union cd_pages) 3013 */ 3014 len = sizeof(struct cd_mode_data_10); 3015 ccb->csio.dxfer_len = len; 3016 3017 scsi_ulto2b(len, ms10.length); 3018 ms10.control = ms6->control; 3019 bcopy(&ms10, cdb, 10); 3020 ccb->csio.cdb_len = 10; 3021 } else { 3022 struct scsi_mode_select_10 ms10; 3023 struct scsi_mode_select_6 *ms6; 3024 struct scsi_mode_header_6 *header6; 3025 struct scsi_mode_header_10 *header10; 3026 struct scsi_mode_page_header *page_header; 3027 int blk_desc_len, page_num, page_size, len; 3028 3029 ms6 = (struct scsi_mode_select_6 *)cdb; 3030 3031 bzero(&ms10, sizeof(ms10)); 3032 ms10.opcode = MODE_SELECT_10; 3033 ms10.byte2 = ms6->byte2; 3034 3035 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3036 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3037 3038 page_header = find_mode_page_6(header6); 3039 page_num = page_header->page_code; 3040 3041 blk_desc_len = header6->blk_desc_len; 3042 3043 page_size = cdgetpagesize(page_num); 3044 3045 if (page_size != (page_header->page_length + 3046 sizeof(*page_header))) 3047 page_size = page_header->page_length + 3048 sizeof(*page_header); 3049 3050 len = sizeof(*header10) + blk_desc_len + page_size; 3051 3052 len = min(params->alloc_len, len); 3053 3054 /* 3055 * Since the 6 byte parameter header is shorter than the 10 3056 * byte parameter header, we need to copy the actual mode 3057 * page data, and the block descriptor, if any, so things wind 3058 * up in the right place. The regions will overlap, but 3059 * bcopy() does the right thing. 3060 */ 3061 bcopy(params->mode_buf + sizeof(*header6), 3062 params->mode_buf + sizeof(*header10), 3063 len - sizeof(*header10)); 3064 3065 /* Make sure these fields are set correctly. */ 3066 scsi_ulto2b(0, header10->data_length); 3067 header10->medium_type = 0; 3068 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3069 3070 ccb->csio.dxfer_len = len; 3071 3072 scsi_ulto2b(len, ms10.length); 3073 ms10.control = ms6->control; 3074 bcopy(&ms10, cdb, 10); 3075 ccb->csio.cdb_len = 10; 3076 } 3077 3078 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3079 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3080 xpt_action(ccb); 3081 if (frozen) { 3082 cam_release_devq(ccb->ccb_h.path, 3083 /*relsim_flags*/0, 3084 /*openings*/0, 3085 /*timeout*/0, 3086 /*getcount_only*/0); 3087 } 3088 3089 return (ERESTART); 3090} 3091 3092static int 3093cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3094{ 3095 struct cd_softc *softc; 3096 struct cam_periph *periph; 3097 int error; 3098 3099 periph = xpt_path_periph(ccb->ccb_h.path); 3100 softc = (struct cd_softc *)periph->softc; 3101 3102 error = 0; 3103 3104 /* 3105 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3106 * CDB comes back with this particular error, try transforming it 3107 * into the 10 byte version. 3108 */ 3109 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3110 error = cd6byteworkaround(ccb); 3111 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3112 CAM_SCSI_STATUS_ERROR) 3113 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3114 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3115 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3116 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3117 int sense_key, error_code, asc, ascq; 3118 3119 scsi_extract_sense(&ccb->csio.sense_data, 3120 &error_code, &sense_key, &asc, &ascq); 3121 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3122 error = cd6byteworkaround(ccb); 3123 } 3124 3125 if (error == ERESTART) 3126 return (error); 3127 3128 /* 3129 * XXX 3130 * Until we have a better way of doing pack validation, 3131 * don't treat UAs as errors. 3132 */ 3133 sense_flags |= SF_RETRY_UA; 3134 return (cam_periph_error(ccb, cam_flags, sense_flags, 3135 &softc->saved_ccb)); 3136} 3137 3138/* 3139 * Read table of contents 3140 */ 3141static int 3142cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3143 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3144{ 3145 struct scsi_read_toc *scsi_cmd; 3146 u_int32_t ntoc; 3147 struct ccb_scsiio *csio; 3148 union ccb *ccb; 3149 int error; 3150 3151 ntoc = len; 3152 error = 0; 3153 3154 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3155 3156 csio = &ccb->csio; 3157 3158 cam_fill_csio(csio, 3159 /* retries */ cd_retry_count, 3160 /* cbfcnp */ cddone, 3161 /* flags */ CAM_DIR_IN, 3162 /* tag_action */ MSG_SIMPLE_Q_TAG, 3163 /* data_ptr */ data, 3164 /* dxfer_len */ len, 3165 /* sense_len */ SSD_FULL_SIZE, 3166 sizeof(struct scsi_read_toc), 3167 /* timeout */ 50000); 3168 3169 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3170 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3171 3172 if (mode == CD_MSF_FORMAT) 3173 scsi_cmd->byte2 |= CD_MSF; 3174 scsi_cmd->from_track = start; 3175 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3176 scsi_cmd->data_len[0] = (ntoc) >> 8; 3177 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3178 3179 scsi_cmd->op_code = READ_TOC; 3180 3181 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3182 /*sense_flags*/SF_RETRY_UA | sense_flags); 3183 3184 xpt_release_ccb(ccb); 3185 3186 return(error); 3187} 3188 3189static int 3190cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3191 u_int32_t format, int track, 3192 struct cd_sub_channel_info *data, u_int32_t len) 3193{ 3194 struct scsi_read_subchannel *scsi_cmd; 3195 struct ccb_scsiio *csio; 3196 union ccb *ccb; 3197 int error; 3198 3199 error = 0; 3200 3201 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3202 3203 csio = &ccb->csio; 3204 3205 cam_fill_csio(csio, 3206 /* retries */ cd_retry_count, 3207 /* cbfcnp */ cddone, 3208 /* flags */ CAM_DIR_IN, 3209 /* tag_action */ MSG_SIMPLE_Q_TAG, 3210 /* data_ptr */ (u_int8_t *)data, 3211 /* dxfer_len */ len, 3212 /* sense_len */ SSD_FULL_SIZE, 3213 sizeof(struct scsi_read_subchannel), 3214 /* timeout */ 50000); 3215 3216 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3217 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3218 3219 scsi_cmd->op_code = READ_SUBCHANNEL; 3220 if (mode == CD_MSF_FORMAT) 3221 scsi_cmd->byte1 |= CD_MSF; 3222 scsi_cmd->byte2 = SRS_SUBQ; 3223 scsi_cmd->subchan_format = format; 3224 scsi_cmd->track = track; 3225 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3226 scsi_cmd->control = 0; 3227 3228 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3229 /*sense_flags*/SF_RETRY_UA); 3230 3231 xpt_release_ccb(ccb); 3232 3233 return(error); 3234} 3235 3236 3237/* 3238 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3239 * routine. See comments in cd6byteworkaround() for details. 3240 */ 3241static int 3242cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3243 u_int32_t page) 3244{ 3245 struct ccb_scsiio *csio; 3246 struct cd_softc *softc; 3247 union ccb *ccb; 3248 int param_len; 3249 int error; 3250 3251 softc = (struct cd_softc *)periph->softc; 3252 3253 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3254 3255 csio = &ccb->csio; 3256 3257 data->cdb_size = softc->minimum_command_size; 3258 if (data->cdb_size < 10) 3259 param_len = sizeof(struct cd_mode_data); 3260 else 3261 param_len = sizeof(struct cd_mode_data_10); 3262 3263 /* Don't say we've got more room than we actually allocated */ 3264 param_len = min(param_len, data->alloc_len); 3265 3266 scsi_mode_sense_len(csio, 3267 /* retries */ cd_retry_count, 3268 /* cbfcnp */ cddone, 3269 /* tag_action */ MSG_SIMPLE_Q_TAG, 3270 /* dbd */ 0, 3271 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3272 /* page */ page, 3273 /* param_buf */ data->mode_buf, 3274 /* param_len */ param_len, 3275 /* minimum_cmd_size */ softc->minimum_command_size, 3276 /* sense_len */ SSD_FULL_SIZE, 3277 /* timeout */ 50000); 3278 3279 /* 3280 * It would be nice not to have to do this, but there's no 3281 * available pointer in the CCB that would allow us to stuff the 3282 * mode params structure in there and retrieve it in 3283 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3284 * lets the caller know what CDB size we ended up using, so they 3285 * can find the actual mode page offset. 3286 */ 3287 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3288 3289 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3290 /*sense_flags*/SF_RETRY_UA); 3291 3292 xpt_release_ccb(ccb); 3293 3294 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3295 3296 /* 3297 * This is a bit of belt-and-suspenders checking, but if we run 3298 * into a situation where the target sends back multiple block 3299 * descriptors, we might not have enough space in the buffer to 3300 * see the whole mode page. Better to return an error than 3301 * potentially access memory beyond our malloced region. 3302 */ 3303 if (error == 0) { 3304 u_int32_t data_len; 3305 3306 if (data->cdb_size == 10) { 3307 struct scsi_mode_header_10 *hdr10; 3308 3309 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3310 data_len = scsi_2btoul(hdr10->data_length); 3311 data_len += sizeof(hdr10->data_length); 3312 } else { 3313 struct scsi_mode_header_6 *hdr6; 3314 3315 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3316 data_len = hdr6->data_length; 3317 data_len += sizeof(hdr6->data_length); 3318 } 3319 3320 /* 3321 * Complain if there is more mode data available than we 3322 * allocated space for. This could potentially happen if 3323 * we miscalculated the page length for some reason, if the 3324 * drive returns multiple block descriptors, or if it sets 3325 * the data length incorrectly. 3326 */ 3327 if (data_len > data->alloc_len) { 3328 xpt_print(periph->path, "allocated modepage %d length " 3329 "%d < returned length %d\n", page, data->alloc_len, 3330 data_len); 3331 error = ENOSPC; 3332 } 3333 } 3334 return (error); 3335} 3336 3337/* 3338 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3339 * routine. See comments in cd6byteworkaround() for details. 3340 */ 3341static int 3342cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3343{ 3344 struct ccb_scsiio *csio; 3345 struct cd_softc *softc; 3346 union ccb *ccb; 3347 int cdb_size, param_len; 3348 int error; 3349 3350 softc = (struct cd_softc *)periph->softc; 3351 3352 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3353 3354 csio = &ccb->csio; 3355 3356 error = 0; 3357 3358 /* 3359 * If the data is formatted for the 10 byte version of the mode 3360 * select parameter list, we need to use the 10 byte CDB. 3361 * Otherwise, we use whatever the stored minimum command size. 3362 */ 3363 if (data->cdb_size == 10) 3364 cdb_size = data->cdb_size; 3365 else 3366 cdb_size = softc->minimum_command_size; 3367 3368 if (cdb_size >= 10) { 3369 struct scsi_mode_header_10 *mode_header; 3370 u_int32_t data_len; 3371 3372 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3373 3374 data_len = scsi_2btoul(mode_header->data_length); 3375 3376 scsi_ulto2b(0, mode_header->data_length); 3377 /* 3378 * SONY drives do not allow a mode select with a medium_type 3379 * value that has just been returned by a mode sense; use a 3380 * medium_type of 0 (Default) instead. 3381 */ 3382 mode_header->medium_type = 0; 3383 3384 /* 3385 * Pass back whatever the drive passed to us, plus the size 3386 * of the data length field. 3387 */ 3388 param_len = data_len + sizeof(mode_header->data_length); 3389 3390 } else { 3391 struct scsi_mode_header_6 *mode_header; 3392 3393 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3394 3395 param_len = mode_header->data_length + 1; 3396 3397 mode_header->data_length = 0; 3398 /* 3399 * SONY drives do not allow a mode select with a medium_type 3400 * value that has just been returned by a mode sense; use a 3401 * medium_type of 0 (Default) instead. 3402 */ 3403 mode_header->medium_type = 0; 3404 } 3405 3406 /* Don't say we've got more room than we actually allocated */ 3407 param_len = min(param_len, data->alloc_len); 3408 3409 scsi_mode_select_len(csio, 3410 /* retries */ cd_retry_count, 3411 /* cbfcnp */ cddone, 3412 /* tag_action */ MSG_SIMPLE_Q_TAG, 3413 /* scsi_page_fmt */ 1, 3414 /* save_pages */ 0, 3415 /* param_buf */ data->mode_buf, 3416 /* param_len */ param_len, 3417 /* minimum_cmd_size */ cdb_size, 3418 /* sense_len */ SSD_FULL_SIZE, 3419 /* timeout */ 50000); 3420 3421 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3422 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3423 3424 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3425 /*sense_flags*/SF_RETRY_UA); 3426 3427 xpt_release_ccb(ccb); 3428 3429 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3430 3431 return (error); 3432} 3433 3434 3435static int 3436cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3437{ 3438 struct ccb_scsiio *csio; 3439 union ccb *ccb; 3440 int error; 3441 u_int8_t cdb_len; 3442 3443 error = 0; 3444 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3445 csio = &ccb->csio; 3446 /* 3447 * Use the smallest possible command to perform the operation. 3448 */ 3449 if ((len & 0xffff0000) == 0) { 3450 /* 3451 * We can fit in a 10 byte cdb. 3452 */ 3453 struct scsi_play_10 *scsi_cmd; 3454 3455 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3456 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3457 scsi_cmd->op_code = PLAY_10; 3458 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3459 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3460 cdb_len = sizeof(*scsi_cmd); 3461 } else { 3462 struct scsi_play_12 *scsi_cmd; 3463 3464 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3465 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3466 scsi_cmd->op_code = PLAY_12; 3467 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3468 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3469 cdb_len = sizeof(*scsi_cmd); 3470 } 3471 cam_fill_csio(csio, 3472 /*retries*/ cd_retry_count, 3473 cddone, 3474 /*flags*/CAM_DIR_NONE, 3475 MSG_SIMPLE_Q_TAG, 3476 /*dataptr*/NULL, 3477 /*datalen*/0, 3478 /*sense_len*/SSD_FULL_SIZE, 3479 cdb_len, 3480 /*timeout*/50 * 1000); 3481 3482 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3483 /*sense_flags*/SF_RETRY_UA); 3484 3485 xpt_release_ccb(ccb); 3486 3487 return(error); 3488} 3489 3490static int 3491cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3492 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3493{ 3494 struct scsi_play_msf *scsi_cmd; 3495 struct ccb_scsiio *csio; 3496 union ccb *ccb; 3497 int error; 3498 3499 error = 0; 3500 3501 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3502 3503 csio = &ccb->csio; 3504 3505 cam_fill_csio(csio, 3506 /* retries */ cd_retry_count, 3507 /* cbfcnp */ cddone, 3508 /* flags */ CAM_DIR_NONE, 3509 /* tag_action */ MSG_SIMPLE_Q_TAG, 3510 /* data_ptr */ NULL, 3511 /* dxfer_len */ 0, 3512 /* sense_len */ SSD_FULL_SIZE, 3513 sizeof(struct scsi_play_msf), 3514 /* timeout */ 50000); 3515 3516 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3517 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3518 3519 scsi_cmd->op_code = PLAY_MSF; 3520 scsi_cmd->start_m = startm; 3521 scsi_cmd->start_s = starts; 3522 scsi_cmd->start_f = startf; 3523 scsi_cmd->end_m = endm; 3524 scsi_cmd->end_s = ends; 3525 scsi_cmd->end_f = endf; 3526 3527 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3528 /*sense_flags*/SF_RETRY_UA); 3529 3530 xpt_release_ccb(ccb); 3531 3532 return(error); 3533} 3534 3535 3536static int 3537cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3538 u_int32_t etrack, u_int32_t eindex) 3539{ 3540 struct scsi_play_track *scsi_cmd; 3541 struct ccb_scsiio *csio; 3542 union ccb *ccb; 3543 int error; 3544 3545 error = 0; 3546 3547 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3548 3549 csio = &ccb->csio; 3550 3551 cam_fill_csio(csio, 3552 /* retries */ cd_retry_count, 3553 /* cbfcnp */ cddone, 3554 /* flags */ CAM_DIR_NONE, 3555 /* tag_action */ MSG_SIMPLE_Q_TAG, 3556 /* data_ptr */ NULL, 3557 /* dxfer_len */ 0, 3558 /* sense_len */ SSD_FULL_SIZE, 3559 sizeof(struct scsi_play_track), 3560 /* timeout */ 50000); 3561 3562 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3563 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3564 3565 scsi_cmd->op_code = PLAY_TRACK; 3566 scsi_cmd->start_track = strack; 3567 scsi_cmd->start_index = sindex; 3568 scsi_cmd->end_track = etrack; 3569 scsi_cmd->end_index = eindex; 3570 3571 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3572 /*sense_flags*/SF_RETRY_UA); 3573 3574 xpt_release_ccb(ccb); 3575 3576 return(error); 3577} 3578 3579static int 3580cdpause(struct cam_periph *periph, u_int32_t go) 3581{ 3582 struct scsi_pause *scsi_cmd; 3583 struct ccb_scsiio *csio; 3584 union ccb *ccb; 3585 int error; 3586 3587 error = 0; 3588 3589 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3590 3591 csio = &ccb->csio; 3592 3593 cam_fill_csio(csio, 3594 /* retries */ cd_retry_count, 3595 /* cbfcnp */ cddone, 3596 /* flags */ CAM_DIR_NONE, 3597 /* tag_action */ MSG_SIMPLE_Q_TAG, 3598 /* data_ptr */ NULL, 3599 /* dxfer_len */ 0, 3600 /* sense_len */ SSD_FULL_SIZE, 3601 sizeof(struct scsi_pause), 3602 /* timeout */ 50000); 3603 3604 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3605 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3606 3607 scsi_cmd->op_code = PAUSE; 3608 scsi_cmd->resume = go; 3609 3610 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3611 /*sense_flags*/SF_RETRY_UA); 3612 3613 xpt_release_ccb(ccb); 3614 3615 return(error); 3616} 3617 3618static int 3619cdstartunit(struct cam_periph *periph, int load) 3620{ 3621 union ccb *ccb; 3622 int error; 3623 3624 error = 0; 3625 3626 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3627 3628 scsi_start_stop(&ccb->csio, 3629 /* retries */ cd_retry_count, 3630 /* cbfcnp */ cddone, 3631 /* tag_action */ MSG_SIMPLE_Q_TAG, 3632 /* start */ TRUE, 3633 /* load_eject */ load, 3634 /* immediate */ FALSE, 3635 /* sense_len */ SSD_FULL_SIZE, 3636 /* timeout */ 50000); 3637 3638 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3639 /*sense_flags*/SF_RETRY_UA); 3640 3641 xpt_release_ccb(ccb); 3642 3643 return(error); 3644} 3645 3646static int 3647cdstopunit(struct cam_periph *periph, u_int32_t eject) 3648{ 3649 union ccb *ccb; 3650 int error; 3651 3652 error = 0; 3653 3654 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3655 3656 scsi_start_stop(&ccb->csio, 3657 /* retries */ cd_retry_count, 3658 /* cbfcnp */ cddone, 3659 /* tag_action */ MSG_SIMPLE_Q_TAG, 3660 /* start */ FALSE, 3661 /* load_eject */ eject, 3662 /* immediate */ FALSE, 3663 /* sense_len */ SSD_FULL_SIZE, 3664 /* timeout */ 50000); 3665 3666 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3667 /*sense_flags*/SF_RETRY_UA); 3668 3669 xpt_release_ccb(ccb); 3670 3671 return(error); 3672} 3673 3674static int 3675cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3676{ 3677 struct scsi_set_speed *scsi_cmd; 3678 struct ccb_scsiio *csio; 3679 union ccb *ccb; 3680 int error; 3681 3682 error = 0; 3683 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3684 csio = &ccb->csio; 3685 3686 /* Preserve old behavior: units in multiples of CDROM speed */ 3687 if (rdspeed < 177) 3688 rdspeed *= 177; 3689 if (wrspeed < 177) 3690 wrspeed *= 177; 3691 3692 cam_fill_csio(csio, 3693 /* retries */ cd_retry_count, 3694 /* cbfcnp */ cddone, 3695 /* flags */ CAM_DIR_NONE, 3696 /* tag_action */ MSG_SIMPLE_Q_TAG, 3697 /* data_ptr */ NULL, 3698 /* dxfer_len */ 0, 3699 /* sense_len */ SSD_FULL_SIZE, 3700 sizeof(struct scsi_set_speed), 3701 /* timeout */ 50000); 3702 3703 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3704 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3705 3706 scsi_cmd->opcode = SET_CD_SPEED; 3707 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3708 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3709 3710 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3711 /*sense_flags*/SF_RETRY_UA); 3712 3713 xpt_release_ccb(ccb); 3714 3715 return(error); 3716} 3717 3718static int 3719cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3720{ 3721 union ccb *ccb; 3722 u_int8_t *databuf; 3723 u_int32_t lba; 3724 int error; 3725 int length; 3726 3727 error = 0; 3728 databuf = NULL; 3729 lba = 0; 3730 3731 switch (authinfo->format) { 3732 case DVD_REPORT_AGID: 3733 length = sizeof(struct scsi_report_key_data_agid); 3734 break; 3735 case DVD_REPORT_CHALLENGE: 3736 length = sizeof(struct scsi_report_key_data_challenge); 3737 break; 3738 case DVD_REPORT_KEY1: 3739 length = sizeof(struct scsi_report_key_data_key1_key2); 3740 break; 3741 case DVD_REPORT_TITLE_KEY: 3742 length = sizeof(struct scsi_report_key_data_title); 3743 /* The lba field is only set for the title key */ 3744 lba = authinfo->lba; 3745 break; 3746 case DVD_REPORT_ASF: 3747 length = sizeof(struct scsi_report_key_data_asf); 3748 break; 3749 case DVD_REPORT_RPC: 3750 length = sizeof(struct scsi_report_key_data_rpc); 3751 break; 3752 case DVD_INVALIDATE_AGID: 3753 length = 0; 3754 break; 3755 default: 3756 return (EINVAL); 3757 } 3758 3759 if (length != 0) { 3760 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3761 } else 3762 databuf = NULL; 3763 3764 cam_periph_lock(periph); 3765 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3766 3767 scsi_report_key(&ccb->csio, 3768 /* retries */ cd_retry_count, 3769 /* cbfcnp */ cddone, 3770 /* tag_action */ MSG_SIMPLE_Q_TAG, 3771 /* lba */ lba, 3772 /* agid */ authinfo->agid, 3773 /* key_format */ authinfo->format, 3774 /* data_ptr */ databuf, 3775 /* dxfer_len */ length, 3776 /* sense_len */ SSD_FULL_SIZE, 3777 /* timeout */ 50000); 3778 3779 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3780 /*sense_flags*/SF_RETRY_UA); 3781 3782 if (error != 0) 3783 goto bailout; 3784 3785 if (ccb->csio.resid != 0) { 3786 xpt_print(periph->path, "warning, residual for report key " 3787 "command is %d\n", ccb->csio.resid); 3788 } 3789 3790 switch(authinfo->format) { 3791 case DVD_REPORT_AGID: { 3792 struct scsi_report_key_data_agid *agid_data; 3793 3794 agid_data = (struct scsi_report_key_data_agid *)databuf; 3795 3796 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3797 RKD_AGID_SHIFT; 3798 break; 3799 } 3800 case DVD_REPORT_CHALLENGE: { 3801 struct scsi_report_key_data_challenge *chal_data; 3802 3803 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3804 3805 bcopy(chal_data->challenge_key, authinfo->keychal, 3806 min(sizeof(chal_data->challenge_key), 3807 sizeof(authinfo->keychal))); 3808 break; 3809 } 3810 case DVD_REPORT_KEY1: { 3811 struct scsi_report_key_data_key1_key2 *key1_data; 3812 3813 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3814 3815 bcopy(key1_data->key1, authinfo->keychal, 3816 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3817 break; 3818 } 3819 case DVD_REPORT_TITLE_KEY: { 3820 struct scsi_report_key_data_title *title_data; 3821 3822 title_data = (struct scsi_report_key_data_title *)databuf; 3823 3824 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3825 RKD_TITLE_CPM_SHIFT; 3826 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3827 RKD_TITLE_CP_SEC_SHIFT; 3828 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3829 RKD_TITLE_CMGS_SHIFT; 3830 bcopy(title_data->title_key, authinfo->keychal, 3831 min(sizeof(title_data->title_key), 3832 sizeof(authinfo->keychal))); 3833 break; 3834 } 3835 case DVD_REPORT_ASF: { 3836 struct scsi_report_key_data_asf *asf_data; 3837 3838 asf_data = (struct scsi_report_key_data_asf *)databuf; 3839 3840 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3841 break; 3842 } 3843 case DVD_REPORT_RPC: { 3844 struct scsi_report_key_data_rpc *rpc_data; 3845 3846 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3847 3848 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3849 RKD_RPC_TYPE_SHIFT; 3850 authinfo->vend_rsts = 3851 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3852 RKD_RPC_VENDOR_RESET_SHIFT; 3853 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3854 authinfo->region = rpc_data->region_mask; 3855 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3856 break; 3857 } 3858 case DVD_INVALIDATE_AGID: 3859 break; 3860 default: 3861 /* This should be impossible, since we checked above */ 3862 error = EINVAL; 3863 goto bailout; 3864 break; /* NOTREACHED */ 3865 } 3866 3867bailout: 3868 xpt_release_ccb(ccb); 3869 cam_periph_unlock(periph); 3870 3871 if (databuf != NULL) 3872 free(databuf, M_DEVBUF); 3873 3874 return(error); 3875} 3876 3877static int 3878cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3879{ 3880 union ccb *ccb; 3881 u_int8_t *databuf; 3882 int length; 3883 int error; 3884 3885 error = 0; 3886 databuf = NULL; 3887 3888 switch(authinfo->format) { 3889 case DVD_SEND_CHALLENGE: { 3890 struct scsi_report_key_data_challenge *challenge_data; 3891 3892 length = sizeof(*challenge_data); 3893 3894 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3895 3896 databuf = (u_int8_t *)challenge_data; 3897 3898 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3899 challenge_data->data_len); 3900 3901 bcopy(authinfo->keychal, challenge_data->challenge_key, 3902 min(sizeof(authinfo->keychal), 3903 sizeof(challenge_data->challenge_key))); 3904 break; 3905 } 3906 case DVD_SEND_KEY2: { 3907 struct scsi_report_key_data_key1_key2 *key2_data; 3908 3909 length = sizeof(*key2_data); 3910 3911 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3912 3913 databuf = (u_int8_t *)key2_data; 3914 3915 scsi_ulto2b(length - sizeof(key2_data->data_len), 3916 key2_data->data_len); 3917 3918 bcopy(authinfo->keychal, key2_data->key1, 3919 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3920 3921 break; 3922 } 3923 case DVD_SEND_RPC: { 3924 struct scsi_send_key_data_rpc *rpc_data; 3925 3926 length = sizeof(*rpc_data); 3927 3928 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3929 3930 databuf = (u_int8_t *)rpc_data; 3931 3932 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3933 rpc_data->data_len); 3934 3935 rpc_data->region_code = authinfo->region; 3936 break; 3937 } 3938 default: 3939 return (EINVAL); 3940 } 3941 3942 cam_periph_lock(periph); 3943 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3944 3945 scsi_send_key(&ccb->csio, 3946 /* retries */ cd_retry_count, 3947 /* cbfcnp */ cddone, 3948 /* tag_action */ MSG_SIMPLE_Q_TAG, 3949 /* agid */ authinfo->agid, 3950 /* key_format */ authinfo->format, 3951 /* data_ptr */ databuf, 3952 /* dxfer_len */ length, 3953 /* sense_len */ SSD_FULL_SIZE, 3954 /* timeout */ 50000); 3955 3956 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3957 /*sense_flags*/SF_RETRY_UA); 3958 3959 xpt_release_ccb(ccb); 3960 cam_periph_unlock(periph); 3961 3962 if (databuf != NULL) 3963 free(databuf, M_DEVBUF); 3964 3965 return(error); 3966} 3967 3968static int 3969cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3970{ 3971 union ccb *ccb; 3972 u_int8_t *databuf; 3973 u_int32_t address; 3974 int error; 3975 int length; 3976 3977 error = 0; 3978 databuf = NULL; 3979 /* The address is reserved for many of the formats */ 3980 address = 0; 3981 3982 switch(dvdstruct->format) { 3983 case DVD_STRUCT_PHYSICAL: 3984 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3985 break; 3986 case DVD_STRUCT_COPYRIGHT: 3987 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3988 break; 3989 case DVD_STRUCT_DISCKEY: 3990 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3991 break; 3992 case DVD_STRUCT_BCA: 3993 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3994 break; 3995 case DVD_STRUCT_MANUFACT: 3996 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3997 break; 3998 case DVD_STRUCT_CMI: 3999 return (ENODEV); 4000 case DVD_STRUCT_PROTDISCID: 4001 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4002 break; 4003 case DVD_STRUCT_DISCKEYBLOCK: 4004 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4005 break; 4006 case DVD_STRUCT_DDS: 4007 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4008 break; 4009 case DVD_STRUCT_MEDIUM_STAT: 4010 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4011 break; 4012 case DVD_STRUCT_SPARE_AREA: 4013 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4014 break; 4015 case DVD_STRUCT_RMD_LAST: 4016 return (ENODEV); 4017 case DVD_STRUCT_RMD_RMA: 4018 return (ENODEV); 4019 case DVD_STRUCT_PRERECORDED: 4020 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4021 break; 4022 case DVD_STRUCT_UNIQUEID: 4023 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4024 break; 4025 case DVD_STRUCT_DCB: 4026 return (ENODEV); 4027 case DVD_STRUCT_LIST: 4028 /* 4029 * This is the maximum allocation length for the READ DVD 4030 * STRUCTURE command. There's nothing in the MMC3 spec 4031 * that indicates a limit in the amount of data that can 4032 * be returned from this call, other than the limits 4033 * imposed by the 2-byte length variables. 4034 */ 4035 length = 65535; 4036 break; 4037 default: 4038 return (EINVAL); 4039 } 4040 4041 if (length != 0) { 4042 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4043 } else 4044 databuf = NULL; 4045 4046 cam_periph_lock(periph); 4047 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4048 4049 scsi_read_dvd_structure(&ccb->csio, 4050 /* retries */ cd_retry_count, 4051 /* cbfcnp */ cddone, 4052 /* tag_action */ MSG_SIMPLE_Q_TAG, 4053 /* lba */ address, 4054 /* layer_number */ dvdstruct->layer_num, 4055 /* key_format */ dvdstruct->format, 4056 /* agid */ dvdstruct->agid, 4057 /* data_ptr */ databuf, 4058 /* dxfer_len */ length, 4059 /* sense_len */ SSD_FULL_SIZE, 4060 /* timeout */ 50000); 4061 4062 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4063 /*sense_flags*/SF_RETRY_UA); 4064 4065 if (error != 0) 4066 goto bailout; 4067 4068 switch(dvdstruct->format) { 4069 case DVD_STRUCT_PHYSICAL: { 4070 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4071 struct dvd_layer *outlayer; 4072 struct scsi_read_dvd_struct_data_physical *phys_data; 4073 4074 phys_data = 4075 (struct scsi_read_dvd_struct_data_physical *)databuf; 4076 inlayer = &phys_data->layer_desc; 4077 outlayer = (struct dvd_layer *)&dvdstruct->data; 4078 4079 dvdstruct->length = sizeof(*inlayer); 4080 4081 outlayer->book_type = (inlayer->book_type_version & 4082 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4083 outlayer->book_version = (inlayer->book_type_version & 4084 RDSD_BOOK_VERSION_MASK); 4085 outlayer->disc_size = (inlayer->disc_size_max_rate & 4086 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4087 outlayer->max_rate = (inlayer->disc_size_max_rate & 4088 RDSD_MAX_RATE_MASK); 4089 outlayer->nlayers = (inlayer->layer_info & 4090 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4091 outlayer->track_path = (inlayer->layer_info & 4092 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4093 outlayer->layer_type = (inlayer->layer_info & 4094 RDSD_LAYER_TYPE_MASK); 4095 outlayer->linear_density = (inlayer->density & 4096 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4097 outlayer->track_density = (inlayer->density & 4098 RDSD_TRACK_DENSITY_MASK); 4099 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4100 RDSD_BCA_SHIFT; 4101 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4102 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4103 outlayer->end_sector_l0 = 4104 scsi_3btoul(inlayer->end_sector_layer0); 4105 break; 4106 } 4107 case DVD_STRUCT_COPYRIGHT: { 4108 struct scsi_read_dvd_struct_data_copyright *copy_data; 4109 4110 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4111 databuf; 4112 4113 dvdstruct->cpst = copy_data->cps_type; 4114 dvdstruct->rmi = copy_data->region_info; 4115 dvdstruct->length = 0; 4116 4117 break; 4118 } 4119 default: 4120 /* 4121 * Tell the user what the overall length is, no matter 4122 * what we can actually fit in the data buffer. 4123 */ 4124 dvdstruct->length = length - ccb->csio.resid - 4125 sizeof(struct scsi_read_dvd_struct_data_header); 4126 4127 /* 4128 * But only actually copy out the smaller of what we read 4129 * in or what the structure can take. 4130 */ 4131 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4132 dvdstruct->data, 4133 min(sizeof(dvdstruct->data), dvdstruct->length)); 4134 break; 4135 } 4136 4137bailout: 4138 xpt_release_ccb(ccb); 4139 cam_periph_unlock(periph); 4140 4141 if (databuf != NULL) 4142 free(databuf, M_DEVBUF); 4143 4144 return(error); 4145} 4146 4147void 4148scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4149 void (*cbfcnp)(struct cam_periph *, union ccb *), 4150 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4151 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4152 u_int8_t sense_len, u_int32_t timeout) 4153{ 4154 struct scsi_report_key *scsi_cmd; 4155 4156 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4157 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4158 scsi_cmd->opcode = REPORT_KEY; 4159 scsi_ulto4b(lba, scsi_cmd->lba); 4160 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4161 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4162 (key_format & RK_KF_KEYFORMAT_MASK); 4163 4164 cam_fill_csio(csio, 4165 retries, 4166 cbfcnp, 4167 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4168 tag_action, 4169 /*data_ptr*/ data_ptr, 4170 /*dxfer_len*/ dxfer_len, 4171 sense_len, 4172 sizeof(*scsi_cmd), 4173 timeout); 4174} 4175 4176void 4177scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4178 void (*cbfcnp)(struct cam_periph *, union ccb *), 4179 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4180 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4181 u_int32_t timeout) 4182{ 4183 struct scsi_send_key *scsi_cmd; 4184 4185 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4186 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4187 scsi_cmd->opcode = SEND_KEY; 4188 4189 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4190 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4191 (key_format & RK_KF_KEYFORMAT_MASK); 4192 4193 cam_fill_csio(csio, 4194 retries, 4195 cbfcnp, 4196 /*flags*/ CAM_DIR_OUT, 4197 tag_action, 4198 /*data_ptr*/ data_ptr, 4199 /*dxfer_len*/ dxfer_len, 4200 sense_len, 4201 sizeof(*scsi_cmd), 4202 timeout); 4203} 4204 4205 4206void 4207scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4208 void (*cbfcnp)(struct cam_periph *, union ccb *), 4209 u_int8_t tag_action, u_int32_t address, 4210 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4211 u_int8_t *data_ptr, u_int32_t dxfer_len, 4212 u_int8_t sense_len, u_int32_t timeout) 4213{ 4214 struct scsi_read_dvd_structure *scsi_cmd; 4215 4216 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4217 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4218 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4219 4220 scsi_ulto4b(address, scsi_cmd->address); 4221 scsi_cmd->layer_number = layer_number; 4222 scsi_cmd->format = format; 4223 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4224 /* The AGID is the top two bits of this byte */ 4225 scsi_cmd->agid = agid << 6; 4226 4227 cam_fill_csio(csio, 4228 retries, 4229 cbfcnp, 4230 /*flags*/ CAM_DIR_IN, 4231 tag_action, 4232 /*data_ptr*/ data_ptr, 4233 /*dxfer_len*/ dxfer_len, 4234 sense_len, 4235 sizeof(*scsi_cmd), 4236 timeout); 4237} 4238