scsi_cd.c revision 125975
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 125975 2004-02-18 21:36:53Z phk $"); 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 74#include <cam/scsi/scsi_message.h> 75#include <cam/scsi/scsi_da.h> 76#include <cam/scsi/scsi_cd.h> 77 78#define LEADOUT 0xaa /* leadout toc entry */ 79 80struct cd_params { 81 u_int32_t blksize; 82 u_long disksize; 83}; 84 85typedef enum { 86 CD_Q_NONE = 0x00, 87 CD_Q_NO_TOUCH = 0x01, 88 CD_Q_BCD_TRACKS = 0x02, 89 CD_Q_NO_CHANGER = 0x04, 90 CD_Q_CHANGER = 0x08, 91 CD_Q_10_BYTE_ONLY = 0x10 92} cd_quirks; 93 94typedef enum { 95 CD_FLAG_INVALID = 0x0001, 96 CD_FLAG_NEW_DISC = 0x0002, 97 CD_FLAG_DISC_LOCKED = 0x0004, 98 CD_FLAG_DISC_REMOVABLE = 0x0008, 99 CD_FLAG_TAGGED_QUEUING = 0x0010, 100 CD_FLAG_CHANGER = 0x0040, 101 CD_FLAG_ACTIVE = 0x0080, 102 CD_FLAG_SCHED_ON_COMP = 0x0100, 103 CD_FLAG_RETRY_UA = 0x0200, 104 CD_FLAG_VALID_MEDIA = 0x0400, 105 CD_FLAG_VALID_TOC = 0x0800, 106 CD_FLAG_SCTX_INIT = 0x1000 107} cd_flags; 108 109typedef enum { 110 CD_CCB_PROBE = 0x01, 111 CD_CCB_BUFFER_IO = 0x02, 112 CD_CCB_WAITING = 0x03, 113 CD_CCB_TYPE_MASK = 0x0F, 114 CD_CCB_RETRY_UA = 0x10 115} cd_ccb_state; 116 117typedef enum { 118 CHANGER_TIMEOUT_SCHED = 0x01, 119 CHANGER_SHORT_TMOUT_SCHED = 0x02, 120 CHANGER_MANUAL_CALL = 0x04, 121 CHANGER_NEED_TIMEOUT = 0x08 122} cd_changer_flags; 123 124#define ccb_state ppriv_field0 125#define ccb_bp ppriv_ptr1 126 127struct cd_tocdata { 128 struct ioc_toc_header header; 129 struct cd_toc_entry entries[100]; 130}; 131 132struct cd_toc_single { 133 struct ioc_toc_header header; 134 struct cd_toc_entry entry; 135}; 136 137typedef enum { 138 CD_STATE_PROBE, 139 CD_STATE_NORMAL 140} cd_state; 141 142struct cd_softc { 143 cam_pinfo pinfo; 144 cd_state state; 145 volatile cd_flags flags; 146 struct bio_queue_head bio_queue; 147 LIST_HEAD(, ccb_hdr) pending_ccbs; 148 struct cd_params params; 149 union ccb saved_ccb; 150 cd_quirks quirks; 151 STAILQ_ENTRY(cd_softc) changer_links; 152 struct cdchanger *changer; 153 int bufs_left; 154 struct cam_periph *periph; 155 int minimum_command_size; 156 int outstanding_cmds; 157 struct task sysctl_task; 158 struct sysctl_ctx_list sysctl_ctx; 159 struct sysctl_oid *sysctl_tree; 160 STAILQ_HEAD(, cd_mode_params) mode_queue; 161 struct cd_tocdata toc; 162 struct disk *disk; 163}; 164 165struct cd_page_sizes { 166 int page; 167 int page_size; 168}; 169 170static struct cd_page_sizes cd_page_size_table[] = 171{ 172 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 173}; 174 175struct cd_quirk_entry { 176 struct scsi_inquiry_pattern inq_pat; 177 cd_quirks quirks; 178}; 179 180/* 181 * The changer quirk entries aren't strictly necessary. Basically, what 182 * they do is tell cdregister() up front that a device is a changer. 183 * Otherwise, it will figure that fact out once it sees a LUN on the device 184 * that is greater than 0. If it is known up front that a device is a changer, 185 * all I/O to the device will go through the changer scheduling routines, as 186 * opposed to the "normal" CD code. 187 * 188 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 189 * your device hangs when it gets a 10 byte command. Adding a quirk just 190 * to get rid of the informative diagnostic message is not acceptable. All 191 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 192 * referenced in a comment along with the quirk) , and must be approved by 193 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 194 * be removed until the submitter can explain why they are needed. 195 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 196 * when the CAM_NEW_TRAN_CODE work is done. 197 */ 198static struct cd_quirk_entry cd_quirk_table[] = 199{ 200 { 201 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 202 /*quirks*/ CD_Q_CHANGER 203 }, 204 { 205 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 206 "*"}, /* quirks */ CD_Q_CHANGER 207 }, 208 { 209 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 210 /* quirks */ CD_Q_CHANGER 211 }, 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 214 /* quirks */ CD_Q_BCD_TRACKS 215 } 216}; 217 218static disk_open_t cdopen; 219static disk_close_t cdclose; 220static disk_ioctl_t cdioctl; 221static disk_strategy_t cdstrategy; 222 223static periph_init_t cdinit; 224static periph_ctor_t cdregister; 225static periph_dtor_t cdcleanup; 226static periph_start_t cdstart; 227static periph_oninv_t cdoninvalidate; 228static void cdasync(void *callback_arg, u_int32_t code, 229 struct cam_path *path, void *arg); 230static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 231static void cdshorttimeout(void *arg); 232static void cdschedule(struct cam_periph *periph, int priority); 233static void cdrunchangerqueue(void *arg); 234static void cdchangerschedule(struct cd_softc *softc); 235static int cdrunccb(union ccb *ccb, 236 int (*error_routine)(union ccb *ccb, 237 u_int32_t cam_flags, 238 u_int32_t sense_flags), 239 u_int32_t cam_flags, u_int32_t sense_flags); 240static union ccb *cdgetccb(struct cam_periph *periph, 241 u_int32_t priority); 242static void cddone(struct cam_periph *periph, 243 union ccb *start_ccb); 244static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 245static int cdgetpagesize(int page_num); 246static void cdprevent(struct cam_periph *periph, int action); 247static int cdcheckmedia(struct cam_periph *periph); 248static int cdsize(struct cam_periph *periph, u_int32_t *size); 249static int cd6byteworkaround(union ccb *ccb); 250static int cderror(union ccb *ccb, u_int32_t cam_flags, 251 u_int32_t sense_flags); 252static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 253 u_int32_t start, u_int8_t *data, 254 u_int32_t len, u_int32_t sense_flags); 255static int cdgetmode(struct cam_periph *periph, 256 struct cd_mode_params *data, u_int32_t page); 257static int cdsetmode(struct cam_periph *periph, 258 struct cd_mode_params *data); 259static int cdplay(struct cam_periph *periph, u_int32_t blk, 260 u_int32_t len); 261static int cdreadsubchannel(struct cam_periph *periph, 262 u_int32_t mode, u_int32_t format, 263 int track, 264 struct cd_sub_channel_info *data, 265 u_int32_t len); 266static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 267 u_int32_t starts, u_int32_t startf, 268 u_int32_t endm, u_int32_t ends, 269 u_int32_t endf); 270static int cdplaytracks(struct cam_periph *periph, 271 u_int32_t strack, u_int32_t sindex, 272 u_int32_t etrack, u_int32_t eindex); 273static int cdpause(struct cam_periph *periph, u_int32_t go); 274static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 275static int cdstartunit(struct cam_periph *periph, int load); 276static int cdsetspeed(struct cam_periph *periph, 277 u_int32_t rdspeed, u_int32_t wrspeed); 278static int cdreportkey(struct cam_periph *periph, 279 struct dvd_authinfo *authinfo); 280static int cdsendkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282static int cdreaddvdstructure(struct cam_periph *periph, 283 struct dvd_struct *dvdstruct); 284 285static struct periph_driver cddriver = 286{ 287 cdinit, "cd", 288 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 289}; 290 291PERIPHDRIVER_DECLARE(cd, cddriver); 292 293 294static int num_changers; 295 296#ifndef CHANGER_MIN_BUSY_SECONDS 297#define CHANGER_MIN_BUSY_SECONDS 5 298#endif 299#ifndef CHANGER_MAX_BUSY_SECONDS 300#define CHANGER_MAX_BUSY_SECONDS 15 301#endif 302 303static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 304static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 305 306SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 307SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 308SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 309 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 310TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 311SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 312 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 313TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 314 315struct cdchanger { 316 path_id_t path_id; 317 target_id_t target_id; 318 int num_devices; 319 struct camq devq; 320 struct timeval start_time; 321 struct cd_softc *cur_device; 322 struct callout_handle short_handle; 323 struct callout_handle long_handle; 324 volatile cd_changer_flags flags; 325 STAILQ_ENTRY(cdchanger) changer_links; 326 STAILQ_HEAD(chdevlist, cd_softc) chluns; 327}; 328 329static STAILQ_HEAD(changerlist, cdchanger) changerq; 330 331 332static void 333cdinit(void) 334{ 335 cam_status status; 336 struct cam_path *path; 337 338 /* 339 * Install a global async callback. This callback will 340 * receive async callbacks like "new device found". 341 */ 342 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 344 345 if (status == CAM_REQ_CMP) { 346 struct ccb_setasync csa; 347 348 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 349 csa.ccb_h.func_code = XPT_SASYNC_CB; 350 csa.event_enable = AC_FOUND_DEVICE; 351 csa.callback = cdasync; 352 csa.callback_arg = NULL; 353 xpt_action((union ccb *)&csa); 354 status = csa.ccb_h.status; 355 xpt_free_path(path); 356 } 357 358 if (status != CAM_REQ_CMP) { 359 printf("cd: Failed to attach master async callback " 360 "due to status 0x%x!\n", status); 361 } 362} 363 364static void 365cdoninvalidate(struct cam_periph *periph) 366{ 367 int s; 368 struct cd_softc *softc; 369 struct ccb_setasync csa; 370 371 softc = (struct cd_softc *)periph->softc; 372 373 /* 374 * De-register any async callbacks. 375 */ 376 xpt_setup_ccb(&csa.ccb_h, periph->path, 377 /* priority */ 5); 378 csa.ccb_h.func_code = XPT_SASYNC_CB; 379 csa.event_enable = 0; 380 csa.callback = cdasync; 381 csa.callback_arg = periph; 382 xpt_action((union ccb *)&csa); 383 384 softc->flags |= CD_FLAG_INVALID; 385 386 /* 387 * Although the oninvalidate() routines are always called at 388 * splsoftcam, we need to be at splbio() here to keep the buffer 389 * queue from being modified while we traverse it. 390 */ 391 s = splbio(); 392 393 /* 394 * Return all queued I/O with ENXIO. 395 * XXX Handle any transactions queued to the card 396 * with XPT_ABORT_CCB. 397 */ 398 bioq_flush(&softc->bio_queue, NULL, ENXIO); 399 splx(s); 400 401 /* 402 * If this device is part of a changer, and it was scheduled 403 * to run, remove it from the run queue since we just nuked 404 * all of its scheduled I/O. 405 */ 406 if ((softc->flags & CD_FLAG_CHANGER) 407 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 408 camq_remove(&softc->changer->devq, softc->pinfo.index); 409 410 xpt_print_path(periph->path); 411 printf("lost device\n"); 412} 413 414static void 415cdcleanup(struct cam_periph *periph) 416{ 417 struct cd_softc *softc; 418 int s; 419 420 softc = (struct cd_softc *)periph->softc; 421 422 xpt_print_path(periph->path); 423 printf("removing device entry\n"); 424 425 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 426 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 427 xpt_print_path(periph->path); 428 printf("can't remove sysctl context\n"); 429 } 430 431 s = splsoftcam(); 432 /* 433 * In the queued, non-active case, the device in question 434 * has already been removed from the changer run queue. Since this 435 * device is active, we need to de-activate it, and schedule 436 * another device to run. (if there is another one to run) 437 */ 438 if ((softc->flags & CD_FLAG_CHANGER) 439 && (softc->flags & CD_FLAG_ACTIVE)) { 440 441 /* 442 * The purpose of the short timeout is soley to determine 443 * whether the current device has finished or not. Well, 444 * since we're removing the active device, we know that it 445 * is finished. So, get rid of the short timeout. 446 * Otherwise, if we're in the time period before the short 447 * timeout fires, and there are no other devices in the 448 * queue to run, there won't be any other device put in the 449 * active slot. i.e., when we call cdrunchangerqueue() 450 * below, it won't do anything. Then, when the short 451 * timeout fires, it'll look at the "current device", which 452 * we are free below, and possibly panic the kernel on a 453 * bogus pointer reference. 454 * 455 * The long timeout doesn't really matter, since we 456 * decrement the qfrozen_cnt to indicate that there is 457 * nothing in the active slot now. Therefore, there won't 458 * be any bogus pointer references there. 459 */ 460 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 461 untimeout(cdshorttimeout, softc->changer, 462 softc->changer->short_handle); 463 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 464 } 465 softc->changer->devq.qfrozen_cnt--; 466 softc->changer->flags |= CHANGER_MANUAL_CALL; 467 cdrunchangerqueue(softc->changer); 468 } 469 470 /* 471 * If we're removing the last device on the changer, go ahead and 472 * remove the changer device structure. 473 */ 474 if ((softc->flags & CD_FLAG_CHANGER) 475 && (--softc->changer->num_devices == 0)) { 476 477 /* 478 * Theoretically, there shouldn't be any timeouts left, but 479 * I'm not completely sure that that will be the case. So, 480 * it won't hurt to check and see if there are any left. 481 */ 482 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 483 untimeout(cdrunchangerqueue, softc->changer, 484 softc->changer->long_handle); 485 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 486 } 487 488 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 489 untimeout(cdshorttimeout, softc->changer, 490 softc->changer->short_handle); 491 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 492 } 493 494 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 495 changer_links); 496 xpt_print_path(periph->path); 497 printf("removing changer entry\n"); 498 free(softc->changer, M_DEVBUF); 499 num_changers--; 500 } 501 disk_destroy(softc->disk); 502 free(softc, M_DEVBUF); 503 splx(s); 504} 505 506static void 507cdasync(void *callback_arg, u_int32_t code, 508 struct cam_path *path, void *arg) 509{ 510 struct cam_periph *periph; 511 512 periph = (struct cam_periph *)callback_arg; 513 switch (code) { 514 case AC_FOUND_DEVICE: 515 { 516 struct ccb_getdev *cgd; 517 cam_status status; 518 519 cgd = (struct ccb_getdev *)arg; 520 if (cgd == NULL) 521 break; 522 523 if (SID_TYPE(&cgd->inq_data) != T_CDROM 524 && SID_TYPE(&cgd->inq_data) != T_WORM) 525 break; 526 527 /* 528 * Allocate a peripheral instance for 529 * this device and start the probe 530 * process. 531 */ 532 status = cam_periph_alloc(cdregister, cdoninvalidate, 533 cdcleanup, cdstart, 534 "cd", CAM_PERIPH_BIO, 535 cgd->ccb_h.path, cdasync, 536 AC_FOUND_DEVICE, cgd); 537 538 if (status != CAM_REQ_CMP 539 && status != CAM_REQ_INPROG) 540 printf("cdasync: Unable to attach new device " 541 "due to status 0x%x\n", status); 542 543 break; 544 } 545 case AC_SENT_BDR: 546 case AC_BUS_RESET: 547 { 548 struct cd_softc *softc; 549 struct ccb_hdr *ccbh; 550 int s; 551 552 softc = (struct cd_softc *)periph->softc; 553 s = splsoftcam(); 554 /* 555 * Don't fail on the expected unit attention 556 * that will occur. 557 */ 558 softc->flags |= CD_FLAG_RETRY_UA; 559 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 560 ccbh->ccb_state |= CD_CCB_RETRY_UA; 561 splx(s); 562 /* FALLTHROUGH */ 563 } 564 default: 565 cam_periph_async(periph, code, path, arg); 566 break; 567 } 568} 569 570static void 571cdsysctlinit(void *context, int pending) 572{ 573 struct cam_periph *periph; 574 struct cd_softc *softc; 575 char tmpstr[80], tmpstr2[80]; 576 577 periph = (struct cam_periph *)context; 578 softc = (struct cd_softc *)periph->softc; 579 580 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 581 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 582 583 mtx_lock(&Giant); 584 585 sysctl_ctx_init(&softc->sysctl_ctx); 586 softc->flags |= CD_FLAG_SCTX_INIT; 587 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 588 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 589 tmpstr2, CTLFLAG_RD, 0, tmpstr); 590 591 if (softc->sysctl_tree == NULL) { 592 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 593 return; 594 } 595 596 /* 597 * Now register the sysctl handler, so the user can the value on 598 * the fly. 599 */ 600 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 601 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 602 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 603 "Minimum CDB size"); 604 605 mtx_unlock(&Giant); 606} 607 608/* 609 * We have a handler function for this so we can check the values when the 610 * user sets them, instead of every time we look at them. 611 */ 612static int 613cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 614{ 615 int error, value; 616 617 value = *(int *)arg1; 618 619 error = sysctl_handle_int(oidp, &value, 0, req); 620 621 if ((error != 0) 622 || (req->newptr == NULL)) 623 return (error); 624 625 /* 626 * The only real values we can have here are 6 or 10. I don't 627 * really forsee having 12 be an option at any time in the future. 628 * So if the user sets something less than or equal to 6, we'll set 629 * it to 6. If he sets something greater than 6, we'll set it to 10. 630 * 631 * I suppose we could just return an error here for the wrong values, 632 * but I don't think it's necessary to do so, as long as we can 633 * determine the user's intent without too much trouble. 634 */ 635 if (value < 6) 636 value = 6; 637 else if (value > 6) 638 value = 10; 639 640 *(int *)arg1 = value; 641 642 return (0); 643} 644 645static cam_status 646cdregister(struct cam_periph *periph, void *arg) 647{ 648 struct cd_softc *softc; 649 struct ccb_setasync csa; 650 struct ccb_pathinq cpi; 651 struct ccb_getdev *cgd; 652 char tmpstr[80]; 653 caddr_t match; 654 655 cgd = (struct ccb_getdev *)arg; 656 if (periph == NULL) { 657 printf("cdregister: periph was NULL!!\n"); 658 return(CAM_REQ_CMP_ERR); 659 } 660 if (cgd == NULL) { 661 printf("cdregister: no getdev CCB, can't register device\n"); 662 return(CAM_REQ_CMP_ERR); 663 } 664 665 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 666 667 if (softc == NULL) { 668 printf("cdregister: Unable to probe new device. " 669 "Unable to allocate softc\n"); 670 return(CAM_REQ_CMP_ERR); 671 } 672 673 bzero(softc, sizeof(*softc)); 674 LIST_INIT(&softc->pending_ccbs); 675 STAILQ_INIT(&softc->mode_queue); 676 softc->state = CD_STATE_PROBE; 677 bioq_init(&softc->bio_queue); 678 if (SID_IS_REMOVABLE(&cgd->inq_data)) 679 softc->flags |= CD_FLAG_DISC_REMOVABLE; 680 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 681 softc->flags |= CD_FLAG_TAGGED_QUEUING; 682 683 periph->softc = softc; 684 softc->periph = periph; 685 686 /* 687 * See if this device has any quirks. 688 */ 689 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 690 (caddr_t)cd_quirk_table, 691 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 692 sizeof(*cd_quirk_table), scsi_inquiry_match); 693 694 if (match != NULL) 695 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 696 else 697 softc->quirks = CD_Q_NONE; 698 699 /* Check if the SIM does not want 6 byte commands */ 700 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 701 cpi.ccb_h.func_code = XPT_PATH_INQ; 702 xpt_action((union ccb *)&cpi); 703 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 704 softc->quirks |= CD_Q_10_BYTE_ONLY; 705 706 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 707 708 /* The default is 6 byte commands, unless quirked otherwise */ 709 if (softc->quirks & CD_Q_10_BYTE_ONLY) 710 softc->minimum_command_size = 10; 711 else 712 softc->minimum_command_size = 6; 713 714 /* 715 * Load the user's default, if any. 716 */ 717 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 718 periph->unit_number); 719 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 720 721 /* 6 and 10 are the only permissible values here. */ 722 if (softc->minimum_command_size < 6) 723 softc->minimum_command_size = 6; 724 else if (softc->minimum_command_size > 6) 725 softc->minimum_command_size = 10; 726 727 /* 728 * We need to register the statistics structure for this device, 729 * but we don't have the blocksize yet for it. So, we register 730 * the structure and indicate that we don't have the blocksize 731 * yet. Unlike other SCSI peripheral drivers, we explicitly set 732 * the device type here to be CDROM, rather than just ORing in 733 * the device type. This is because this driver can attach to either 734 * CDROM or WORM devices, and we want this peripheral driver to 735 * show up in the devstat list as a CD peripheral driver, not a 736 * WORM peripheral driver. WORM drives will also have the WORM 737 * driver attached to them. 738 */ 739 softc->disk = disk_alloc(); 740 softc->disk->d_devstat = devstat_new_entry("cd", 741 periph->unit_number, 0, 742 DEVSTAT_BS_UNAVAILABLE, 743 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 744 DEVSTAT_PRIORITY_CD); 745 softc->disk->d_open = cdopen; 746 softc->disk->d_close = cdclose; 747 softc->disk->d_strategy = cdstrategy; 748 softc->disk->d_ioctl = cdioctl; 749 softc->disk->d_name = "cd"; 750 softc->disk->d_unit = periph->unit_number; 751 softc->disk->d_drv1 = periph; 752 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 753 disk_create(softc->disk, DISK_VERSION); 754 755 /* 756 * Add an async callback so that we get 757 * notified if this device goes away. 758 */ 759 xpt_setup_ccb(&csa.ccb_h, periph->path, 760 /* priority */ 5); 761 csa.ccb_h.func_code = XPT_SASYNC_CB; 762 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 763 csa.callback = cdasync; 764 csa.callback_arg = periph; 765 xpt_action((union ccb *)&csa); 766 767 /* 768 * If the target lun is greater than 0, we most likely have a CD 769 * changer device. Check the quirk entries as well, though, just 770 * in case someone has a CD tower with one lun per drive or 771 * something like that. Also, if we know up front that a 772 * particular device is a changer, we can mark it as such starting 773 * with lun 0, instead of lun 1. It shouldn't be necessary to have 774 * a quirk entry to define something as a changer, however. 775 */ 776 if (((cgd->ccb_h.target_lun > 0) 777 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 778 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 779 struct cdchanger *nchanger; 780 struct cam_periph *nperiph; 781 struct cam_path *path; 782 cam_status status; 783 int found; 784 785 /* Set the changer flag in the current device's softc */ 786 softc->flags |= CD_FLAG_CHANGER; 787 788 if (num_changers == 0) 789 STAILQ_INIT(&changerq); 790 791 /* 792 * Now, look around for an existing changer device with the 793 * same path and target ID as the current device. 794 */ 795 for (found = 0, 796 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 797 nchanger != NULL; 798 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 799 if ((nchanger->path_id == cgd->ccb_h.path_id) 800 && (nchanger->target_id == cgd->ccb_h.target_id)) { 801 found = 1; 802 break; 803 } 804 } 805 806 /* 807 * If we found a matching entry, just add this device to 808 * the list of devices on this changer. 809 */ 810 if (found == 1) { 811 struct chdevlist *chlunhead; 812 813 chlunhead = &nchanger->chluns; 814 815 /* 816 * XXX KDM look at consolidating this code with the 817 * code below in a separate function. 818 */ 819 820 /* 821 * Create a path with lun id 0, and see if we can 822 * find a matching device 823 */ 824 status = xpt_create_path(&path, /*periph*/ periph, 825 cgd->ccb_h.path_id, 826 cgd->ccb_h.target_id, 0); 827 828 if ((status == CAM_REQ_CMP) 829 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 830 struct cd_softc *nsoftc; 831 832 nsoftc = (struct cd_softc *)nperiph->softc; 833 834 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 835 nsoftc->flags |= CD_FLAG_CHANGER; 836 nchanger->num_devices++; 837 if (camq_resize(&nchanger->devq, 838 nchanger->num_devices)!=CAM_REQ_CMP){ 839 printf("cdregister: " 840 "camq_resize " 841 "failed, changer " 842 "support may " 843 "be messed up\n"); 844 } 845 nsoftc->changer = nchanger; 846 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 847 848 STAILQ_INSERT_TAIL(&nchanger->chluns, 849 nsoftc,changer_links); 850 } 851 xpt_free_path(path); 852 } else if (status == CAM_REQ_CMP) 853 xpt_free_path(path); 854 else { 855 printf("cdregister: unable to allocate path\n" 856 "cdregister: changer support may be " 857 "broken\n"); 858 } 859 860 nchanger->num_devices++; 861 862 softc->changer = nchanger; 863 softc->pinfo.index = CAM_UNQUEUED_INDEX; 864 865 if (camq_resize(&nchanger->devq, 866 nchanger->num_devices) != CAM_REQ_CMP) { 867 printf("cdregister: camq_resize " 868 "failed, changer support may " 869 "be messed up\n"); 870 } 871 872 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 873 } 874 /* 875 * In this case, we don't already have an entry for this 876 * particular changer, so we need to create one, add it to 877 * the queue, and queue this device on the list for this 878 * changer. Before we queue this device, however, we need 879 * to search for lun id 0 on this target, and add it to the 880 * queue first, if it exists. (and if it hasn't already 881 * been marked as part of the changer.) 882 */ 883 else { 884 nchanger = malloc(sizeof(struct cdchanger), 885 M_DEVBUF, M_NOWAIT); 886 887 if (nchanger == NULL) { 888 softc->flags &= ~CD_FLAG_CHANGER; 889 printf("cdregister: unable to malloc " 890 "changer structure\ncdregister: " 891 "changer support disabled\n"); 892 893 /* 894 * Yes, gotos can be gross but in this case 895 * I think it's justified.. 896 */ 897 goto cdregisterexit; 898 } 899 900 /* zero the structure */ 901 bzero(nchanger, sizeof(struct cdchanger)); 902 903 if (camq_init(&nchanger->devq, 1) != 0) { 904 softc->flags &= ~CD_FLAG_CHANGER; 905 printf("cdregister: changer support " 906 "disabled\n"); 907 goto cdregisterexit; 908 } 909 910 num_changers++; 911 912 nchanger->path_id = cgd->ccb_h.path_id; 913 nchanger->target_id = cgd->ccb_h.target_id; 914 915 /* this is superfluous, but it makes things clearer */ 916 nchanger->num_devices = 0; 917 918 STAILQ_INIT(&nchanger->chluns); 919 920 STAILQ_INSERT_TAIL(&changerq, nchanger, 921 changer_links); 922 923 /* 924 * Create a path with lun id 0, and see if we can 925 * find a matching device 926 */ 927 status = xpt_create_path(&path, /*periph*/ periph, 928 cgd->ccb_h.path_id, 929 cgd->ccb_h.target_id, 0); 930 931 /* 932 * If we were able to allocate the path, and if we 933 * find a matching device and it isn't already 934 * marked as part of a changer, then we add it to 935 * the current changer. 936 */ 937 if ((status == CAM_REQ_CMP) 938 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 939 && ((((struct cd_softc *)periph->softc)->flags & 940 CD_FLAG_CHANGER) == 0)) { 941 struct cd_softc *nsoftc; 942 943 nsoftc = (struct cd_softc *)nperiph->softc; 944 945 nsoftc->flags |= CD_FLAG_CHANGER; 946 nchanger->num_devices++; 947 if (camq_resize(&nchanger->devq, 948 nchanger->num_devices) != CAM_REQ_CMP) { 949 printf("cdregister: camq_resize " 950 "failed, changer support may " 951 "be messed up\n"); 952 } 953 nsoftc->changer = nchanger; 954 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 955 956 STAILQ_INSERT_TAIL(&nchanger->chluns, 957 nsoftc, changer_links); 958 xpt_free_path(path); 959 } else if (status == CAM_REQ_CMP) 960 xpt_free_path(path); 961 else { 962 printf("cdregister: unable to allocate path\n" 963 "cdregister: changer support may be " 964 "broken\n"); 965 } 966 967 softc->changer = nchanger; 968 softc->pinfo.index = CAM_UNQUEUED_INDEX; 969 nchanger->num_devices++; 970 if (camq_resize(&nchanger->devq, 971 nchanger->num_devices) != CAM_REQ_CMP) { 972 printf("cdregister: camq_resize " 973 "failed, changer support may " 974 "be messed up\n"); 975 } 976 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 977 changer_links); 978 } 979 } 980 981cdregisterexit: 982 983 /* Lock this peripheral until we are setup */ 984 /* Can't block */ 985 cam_periph_lock(periph, PRIBIO); 986 987 if ((softc->flags & CD_FLAG_CHANGER) == 0) 988 xpt_schedule(periph, /*priority*/5); 989 else 990 cdschedule(periph, /*priority*/ 5); 991 992 return(CAM_REQ_CMP); 993} 994 995static int 996cdopen(struct disk *dp) 997{ 998 struct cam_periph *periph; 999 struct cd_softc *softc; 1000 int error; 1001 int s; 1002 1003 periph = (struct cam_periph *)dp->d_drv1; 1004 if (periph == NULL) 1005 return (ENXIO); 1006 1007 softc = (struct cd_softc *)periph->softc; 1008 1009 /* 1010 * Grab splsoftcam and hold it until we lock the peripheral. 1011 */ 1012 s = splsoftcam(); 1013 if (softc->flags & CD_FLAG_INVALID) { 1014 splx(s); 1015 return(ENXIO); 1016 } 1017 1018 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1019 splx(s); 1020 return (error); 1021 } 1022 1023 splx(s); 1024 1025 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1026 return(ENXIO); 1027 1028 /* 1029 * Check for media, and set the appropriate flags. We don't bail 1030 * if we don't have media, but then we don't allow anything but the 1031 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1032 */ 1033 cdcheckmedia(periph); 1034 1035 cam_periph_unlock(periph); 1036 1037 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1038 1039 return (error); 1040} 1041 1042static int 1043cdclose(struct disk *dp) 1044{ 1045 struct cam_periph *periph; 1046 struct cd_softc *softc; 1047 int error; 1048 1049 periph = (struct cam_periph *)dp->d_drv1; 1050 if (periph == NULL) 1051 return (ENXIO); 1052 1053 softc = (struct cd_softc *)periph->softc; 1054 1055 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1056 return (error); 1057 1058 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1059 cdprevent(periph, PR_ALLOW); 1060 1061 /* 1062 * Since we're closing this CD, mark the blocksize as unavailable. 1063 * It will be marked as available when the CD is opened again. 1064 */ 1065 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1066 1067 /* 1068 * We'll check the media and toc again at the next open(). 1069 */ 1070 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1071 1072 cam_periph_unlock(periph); 1073 cam_periph_release(periph); 1074 1075 return (0); 1076} 1077 1078static void 1079cdshorttimeout(void *arg) 1080{ 1081 struct cdchanger *changer; 1082 int s; 1083 1084 s = splsoftcam(); 1085 1086 changer = (struct cdchanger *)arg; 1087 1088 /* Always clear the short timeout flag, since that's what we're in */ 1089 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1090 1091 /* 1092 * Check to see if there is any more pending or outstanding I/O for 1093 * this device. If not, move it out of the active slot. 1094 */ 1095 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1096 && (changer->cur_device->outstanding_cmds == 0)) { 1097 changer->flags |= CHANGER_MANUAL_CALL; 1098 cdrunchangerqueue(changer); 1099 } 1100 1101 splx(s); 1102} 1103 1104/* 1105 * This is a wrapper for xpt_schedule. It only applies to changers. 1106 */ 1107static void 1108cdschedule(struct cam_periph *periph, int priority) 1109{ 1110 struct cd_softc *softc; 1111 int s; 1112 1113 s = splsoftcam(); 1114 1115 softc = (struct cd_softc *)periph->softc; 1116 1117 /* 1118 * If this device isn't currently queued, and if it isn't 1119 * the active device, then we queue this device and run the 1120 * changer queue if there is no timeout scheduled to do it. 1121 * If this device is the active device, just schedule it 1122 * to run again. If this device is queued, there should be 1123 * a timeout in place already that will make sure it runs. 1124 */ 1125 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1126 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1127 /* 1128 * We don't do anything with the priority here. 1129 * This is strictly a fifo queue. 1130 */ 1131 softc->pinfo.priority = 1; 1132 softc->pinfo.generation = ++softc->changer->devq.generation; 1133 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1134 1135 /* 1136 * Since we just put a device in the changer queue, 1137 * check and see if there is a timeout scheduled for 1138 * this changer. If so, let the timeout handle 1139 * switching this device into the active slot. If 1140 * not, manually call the timeout routine to 1141 * bootstrap things. 1142 */ 1143 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1144 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1145 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1146 softc->changer->flags |= CHANGER_MANUAL_CALL; 1147 cdrunchangerqueue(softc->changer); 1148 } 1149 } else if ((softc->flags & CD_FLAG_ACTIVE) 1150 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1151 xpt_schedule(periph, priority); 1152 1153 splx(s); 1154 1155} 1156 1157static void 1158cdrunchangerqueue(void *arg) 1159{ 1160 struct cd_softc *softc; 1161 struct cdchanger *changer; 1162 int called_from_timeout; 1163 int s; 1164 1165 s = splsoftcam(); 1166 1167 changer = (struct cdchanger *)arg; 1168 1169 /* 1170 * If we have NOT been called from cdstrategy() or cddone(), and 1171 * instead from a timeout routine, go ahead and clear the 1172 * timeout flag. 1173 */ 1174 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1175 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1176 called_from_timeout = 1; 1177 } else 1178 called_from_timeout = 0; 1179 1180 /* Always clear the manual call flag */ 1181 changer->flags &= ~CHANGER_MANUAL_CALL; 1182 1183 /* nothing to do if the queue is empty */ 1184 if (changer->devq.entries <= 0) { 1185 splx(s); 1186 return; 1187 } 1188 1189 /* 1190 * If the changer queue is frozen, that means we have an active 1191 * device. 1192 */ 1193 if (changer->devq.qfrozen_cnt > 0) { 1194 1195 if (changer->cur_device->outstanding_cmds > 0) { 1196 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1197 changer->cur_device->bufs_left = 1198 changer->cur_device->outstanding_cmds; 1199 if (called_from_timeout) { 1200 changer->long_handle = 1201 timeout(cdrunchangerqueue, changer, 1202 changer_max_busy_seconds * hz); 1203 changer->flags |= CHANGER_TIMEOUT_SCHED; 1204 } 1205 splx(s); 1206 return; 1207 } 1208 1209 /* 1210 * We always need to reset the frozen count and clear the 1211 * active flag. 1212 */ 1213 changer->devq.qfrozen_cnt--; 1214 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1215 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1216 1217 /* 1218 * Check to see whether the current device has any I/O left 1219 * to do. If so, requeue it at the end of the queue. If 1220 * not, there is no need to requeue it. 1221 */ 1222 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1223 1224 changer->cur_device->pinfo.generation = 1225 ++changer->devq.generation; 1226 camq_insert(&changer->devq, 1227 (cam_pinfo *)changer->cur_device); 1228 } 1229 } 1230 1231 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1232 1233 changer->cur_device = softc; 1234 1235 changer->devq.qfrozen_cnt++; 1236 softc->flags |= CD_FLAG_ACTIVE; 1237 1238 /* Just in case this device is waiting */ 1239 wakeup(&softc->changer); 1240 xpt_schedule(softc->periph, /*priority*/ 1); 1241 1242 /* 1243 * Get rid of any pending timeouts, and set a flag to schedule new 1244 * ones so this device gets its full time quantum. 1245 */ 1246 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1247 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1248 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1249 } 1250 1251 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1252 untimeout(cdshorttimeout, changer, changer->short_handle); 1253 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1254 } 1255 1256 /* 1257 * We need to schedule timeouts, but we only do this after the 1258 * first transaction has completed. This eliminates the changer 1259 * switch time. 1260 */ 1261 changer->flags |= CHANGER_NEED_TIMEOUT; 1262 1263 splx(s); 1264} 1265 1266static void 1267cdchangerschedule(struct cd_softc *softc) 1268{ 1269 struct cdchanger *changer; 1270 int s; 1271 1272 s = splsoftcam(); 1273 1274 changer = softc->changer; 1275 1276 /* 1277 * If this is a changer, and this is the current device, 1278 * and this device has at least the minimum time quantum to 1279 * run, see if we can switch it out. 1280 */ 1281 if ((softc->flags & CD_FLAG_ACTIVE) 1282 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1283 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1284 /* 1285 * We try three things here. The first is that we 1286 * check to see whether the schedule on completion 1287 * flag is set. If it is, we decrement the number 1288 * of buffers left, and if it's zero, we reschedule. 1289 * Next, we check to see whether the pending buffer 1290 * queue is empty and whether there are no 1291 * outstanding transactions. If so, we reschedule. 1292 * Next, we see if the pending buffer queue is empty. 1293 * If it is, we set the number of buffers left to 1294 * the current active buffer count and set the 1295 * schedule on complete flag. 1296 */ 1297 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1298 if (--softc->bufs_left == 0) { 1299 softc->changer->flags |= 1300 CHANGER_MANUAL_CALL; 1301 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1302 cdrunchangerqueue(softc->changer); 1303 } 1304 } else if ((bioq_first(&softc->bio_queue) == NULL) 1305 && (softc->outstanding_cmds == 0)) { 1306 softc->changer->flags |= CHANGER_MANUAL_CALL; 1307 cdrunchangerqueue(softc->changer); 1308 } 1309 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1310 && (softc->flags & CD_FLAG_ACTIVE)) { 1311 1312 /* 1313 * Now that the first transaction to this 1314 * particular device has completed, we can go ahead 1315 * and schedule our timeouts. 1316 */ 1317 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1318 changer->long_handle = 1319 timeout(cdrunchangerqueue, changer, 1320 changer_max_busy_seconds * hz); 1321 changer->flags |= CHANGER_TIMEOUT_SCHED; 1322 } else 1323 printf("cdchangerschedule: already have a long" 1324 " timeout!\n"); 1325 1326 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1327 changer->short_handle = 1328 timeout(cdshorttimeout, changer, 1329 changer_min_busy_seconds * hz); 1330 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1331 } else 1332 printf("cdchangerschedule: already have a short " 1333 "timeout!\n"); 1334 1335 /* 1336 * We just scheduled timeouts, no need to schedule 1337 * more. 1338 */ 1339 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1340 1341 } 1342 splx(s); 1343} 1344 1345static int 1346cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1347 u_int32_t cam_flags, 1348 u_int32_t sense_flags), 1349 u_int32_t cam_flags, u_int32_t sense_flags) 1350{ 1351 struct cd_softc *softc; 1352 struct cam_periph *periph; 1353 int error; 1354 1355 periph = xpt_path_periph(ccb->ccb_h.path); 1356 softc = (struct cd_softc *)periph->softc; 1357 1358 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1359 softc->disk->d_devstat); 1360 1361 if (softc->flags & CD_FLAG_CHANGER) 1362 cdchangerschedule(softc); 1363 1364 return(error); 1365} 1366 1367static union ccb * 1368cdgetccb(struct cam_periph *periph, u_int32_t priority) 1369{ 1370 struct cd_softc *softc; 1371 int s; 1372 1373 softc = (struct cd_softc *)periph->softc; 1374 1375 if (softc->flags & CD_FLAG_CHANGER) { 1376 1377 s = splsoftcam(); 1378 1379 /* 1380 * This should work the first time this device is woken up, 1381 * but just in case it doesn't, we use a while loop. 1382 */ 1383 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1384 /* 1385 * If this changer isn't already queued, queue it up. 1386 */ 1387 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1388 softc->pinfo.priority = 1; 1389 softc->pinfo.generation = 1390 ++softc->changer->devq.generation; 1391 camq_insert(&softc->changer->devq, 1392 (cam_pinfo *)softc); 1393 } 1394 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1395 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1396 && ((softc->changer->flags 1397 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1398 softc->changer->flags |= CHANGER_MANUAL_CALL; 1399 cdrunchangerqueue(softc->changer); 1400 } else 1401 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1402 } 1403 splx(s); 1404 } 1405 return(cam_periph_getccb(periph, priority)); 1406} 1407 1408 1409/* 1410 * Actually translate the requested transfer into one the physical driver 1411 * can understand. The transfer is described by a buf and will include 1412 * only one physical transfer. 1413 */ 1414static void 1415cdstrategy(struct bio *bp) 1416{ 1417 struct cam_periph *periph; 1418 struct cd_softc *softc; 1419 int s; 1420 1421 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1422 if (periph == NULL) { 1423 biofinish(bp, NULL, ENXIO); 1424 return; 1425 } 1426 1427 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1428 1429 softc = (struct cd_softc *)periph->softc; 1430 1431 /* 1432 * Mask interrupts so that the pack cannot be invalidated until 1433 * after we are in the queue. Otherwise, we might not properly 1434 * clean up one of the buffers. 1435 */ 1436 s = splbio(); 1437 1438 /* 1439 * If the device has been made invalid, error out 1440 */ 1441 if ((softc->flags & CD_FLAG_INVALID)) { 1442 splx(s); 1443 biofinish(bp, NULL, ENXIO); 1444 return; 1445 } 1446 1447 /* 1448 * If we don't have valid media, look for it before trying to 1449 * schedule the I/O. 1450 */ 1451 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1452 int error; 1453 1454 error = cdcheckmedia(periph); 1455 if (error != 0) { 1456 splx(s); 1457 biofinish(bp, NULL, error); 1458 return; 1459 } 1460 } 1461 1462 /* 1463 * Place it in the queue of disk activities for this disk 1464 */ 1465 bioq_disksort(&softc->bio_queue, bp); 1466 1467 splx(s); 1468 1469 /* 1470 * Schedule ourselves for performing the work. We do things 1471 * differently for changers. 1472 */ 1473 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1474 xpt_schedule(periph, /* XXX priority */1); 1475 else 1476 cdschedule(periph, /* priority */ 1); 1477 1478 return; 1479} 1480 1481static void 1482cdstart(struct cam_periph *periph, union ccb *start_ccb) 1483{ 1484 struct cd_softc *softc; 1485 struct bio *bp; 1486 struct ccb_scsiio *csio; 1487 struct scsi_read_capacity_data *rcap; 1488 int s; 1489 1490 softc = (struct cd_softc *)periph->softc; 1491 1492 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1493 1494 switch (softc->state) { 1495 case CD_STATE_NORMAL: 1496 { 1497 int oldspl; 1498 1499 s = splbio(); 1500 bp = bioq_first(&softc->bio_queue); 1501 if (periph->immediate_priority <= periph->pinfo.priority) { 1502 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1503 1504 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1505 periph_links.sle); 1506 periph->immediate_priority = CAM_PRIORITY_NONE; 1507 splx(s); 1508 wakeup(&periph->ccb_list); 1509 } else if (bp == NULL) { 1510 splx(s); 1511 xpt_release_ccb(start_ccb); 1512 } else { 1513 bioq_remove(&softc->bio_queue, bp); 1514 1515 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1516 1517 scsi_read_write(&start_ccb->csio, 1518 /*retries*/4, 1519 /* cbfcnp */ cddone, 1520 MSG_SIMPLE_Q_TAG, 1521 /* read */bp->bio_cmd == BIO_READ, 1522 /* byte2 */ 0, 1523 /* minimum_cmd_size */ 10, 1524 /* lba */ bp->bio_offset / 1525 softc->params.blksize, 1526 bp->bio_bcount / softc->params.blksize, 1527 /* data_ptr */ bp->bio_data, 1528 /* dxfer_len */ bp->bio_bcount, 1529 /* sense_len */ SSD_FULL_SIZE, 1530 /* timeout */ 30000); 1531 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1532 1533 1534 /* 1535 * Block out any asyncronous callbacks 1536 * while we touch the pending ccb list. 1537 */ 1538 oldspl = splcam(); 1539 LIST_INSERT_HEAD(&softc->pending_ccbs, 1540 &start_ccb->ccb_h, periph_links.le); 1541 softc->outstanding_cmds++; 1542 splx(oldspl); 1543 1544 /* We expect a unit attention from this device */ 1545 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1546 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1547 softc->flags &= ~CD_FLAG_RETRY_UA; 1548 } 1549 1550 start_ccb->ccb_h.ccb_bp = bp; 1551 bp = bioq_first(&softc->bio_queue); 1552 splx(s); 1553 1554 xpt_action(start_ccb); 1555 } 1556 if (bp != NULL) { 1557 /* Have more work to do, so ensure we stay scheduled */ 1558 xpt_schedule(periph, /* XXX priority */1); 1559 } 1560 break; 1561 } 1562 case CD_STATE_PROBE: 1563 { 1564 1565 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1566 M_TEMP, 1567 M_NOWAIT); 1568 if (rcap == NULL) { 1569 xpt_print_path(periph->path); 1570 printf("cdstart: Couldn't malloc read_capacity data\n"); 1571 /* cd_free_periph??? */ 1572 break; 1573 } 1574 csio = &start_ccb->csio; 1575 scsi_read_capacity(csio, 1576 /*retries*/1, 1577 cddone, 1578 MSG_SIMPLE_Q_TAG, 1579 rcap, 1580 SSD_FULL_SIZE, 1581 /*timeout*/20000); 1582 start_ccb->ccb_h.ccb_bp = NULL; 1583 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1584 xpt_action(start_ccb); 1585 break; 1586 } 1587 } 1588} 1589 1590static void 1591cddone(struct cam_periph *periph, union ccb *done_ccb) 1592{ 1593 struct cd_softc *softc; 1594 struct ccb_scsiio *csio; 1595 1596 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1597 1598 softc = (struct cd_softc *)periph->softc; 1599 csio = &done_ccb->csio; 1600 1601 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1602 case CD_CCB_BUFFER_IO: 1603 { 1604 struct bio *bp; 1605 int error; 1606 int oldspl; 1607 1608 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1609 error = 0; 1610 1611 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1612 int sf; 1613 1614 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1615 sf = SF_RETRY_UA; 1616 else 1617 sf = 0; 1618 1619 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1620 if (error == ERESTART) { 1621 /* 1622 * A retry was scheuled, so 1623 * just return. 1624 */ 1625 return; 1626 } 1627 } 1628 1629 if (error != 0) { 1630 int s; 1631 1632 xpt_print_path(periph->path); 1633 printf("cddone: got error %#x back\n", error); 1634 s = splbio(); 1635 bioq_flush(&softc->bio_queue, NULL, EIO); 1636 splx(s); 1637 bp->bio_resid = bp->bio_bcount; 1638 bp->bio_error = error; 1639 bp->bio_flags |= BIO_ERROR; 1640 cam_release_devq(done_ccb->ccb_h.path, 1641 /*relsim_flags*/0, 1642 /*reduction*/0, 1643 /*timeout*/0, 1644 /*getcount_only*/0); 1645 1646 } else { 1647 bp->bio_resid = csio->resid; 1648 bp->bio_error = 0; 1649 if (bp->bio_resid != 0) { 1650 /* 1651 * Short transfer ??? 1652 * XXX: not sure this is correct for partial 1653 * transfers at EOM 1654 */ 1655 bp->bio_flags |= BIO_ERROR; 1656 } 1657 } 1658 1659 /* 1660 * Block out any asyncronous callbacks 1661 * while we touch the pending ccb list. 1662 */ 1663 oldspl = splcam(); 1664 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1665 softc->outstanding_cmds--; 1666 splx(oldspl); 1667 1668 if (softc->flags & CD_FLAG_CHANGER) 1669 cdchangerschedule(softc); 1670 1671 biofinish(bp, softc->disk->d_devstat, 0); 1672 break; 1673 } 1674 case CD_CCB_PROBE: 1675 { 1676 struct scsi_read_capacity_data *rdcap; 1677 char announce_buf[120]; /* 1678 * Currently (9/30/97) the 1679 * longest possible announce 1680 * buffer is 108 bytes, for the 1681 * first error case below. 1682 * That is 39 bytes for the 1683 * basic string, 16 bytes for the 1684 * biggest sense key (hardware 1685 * error), 52 bytes for the 1686 * text of the largest sense 1687 * qualifier valid for a CDROM, 1688 * (0x72, 0x03 or 0x04, 1689 * 0x03), and one byte for the 1690 * null terminating character. 1691 * To allow for longer strings, 1692 * the announce buffer is 120 1693 * bytes. 1694 */ 1695 struct cd_params *cdp; 1696 1697 cdp = &softc->params; 1698 1699 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1700 1701 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1702 cdp->blksize = scsi_4btoul (rdcap->length); 1703 1704 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1705 1706 snprintf(announce_buf, sizeof(announce_buf), 1707 "cd present [%lu x %lu byte records]", 1708 cdp->disksize, (u_long)cdp->blksize); 1709 1710 } else { 1711 int error; 1712 /* 1713 * Retry any UNIT ATTENTION type errors. They 1714 * are expected at boot. 1715 */ 1716 error = cderror(done_ccb, CAM_RETRY_SELTO, 1717 SF_RETRY_UA | SF_NO_PRINT); 1718 if (error == ERESTART) { 1719 /* 1720 * A retry was scheuled, so 1721 * just return. 1722 */ 1723 return; 1724 } else if (error != 0) { 1725 1726 struct scsi_sense_data *sense; 1727 int asc, ascq; 1728 int sense_key, error_code; 1729 int have_sense; 1730 cam_status status; 1731 struct ccb_getdev cgd; 1732 1733 /* Don't wedge this device's queue */ 1734 cam_release_devq(done_ccb->ccb_h.path, 1735 /*relsim_flags*/0, 1736 /*reduction*/0, 1737 /*timeout*/0, 1738 /*getcount_only*/0); 1739 1740 status = done_ccb->ccb_h.status; 1741 1742 xpt_setup_ccb(&cgd.ccb_h, 1743 done_ccb->ccb_h.path, 1744 /* priority */ 1); 1745 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1746 xpt_action((union ccb *)&cgd); 1747 1748 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1749 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1750 || ((status & CAM_AUTOSNS_VALID) == 0)) 1751 have_sense = FALSE; 1752 else 1753 have_sense = TRUE; 1754 1755 if (have_sense) { 1756 sense = &csio->sense_data; 1757 scsi_extract_sense(sense, &error_code, 1758 &sense_key, 1759 &asc, &ascq); 1760 } 1761 /* 1762 * Attach to anything that claims to be a 1763 * CDROM or WORM device, as long as it 1764 * doesn't return a "Logical unit not 1765 * supported" (0x25) error. 1766 */ 1767 if ((have_sense) && (asc != 0x25) 1768 && (error_code == SSD_CURRENT_ERROR)) { 1769 const char *sense_key_desc; 1770 const char *asc_desc; 1771 1772 scsi_sense_desc(sense_key, asc, ascq, 1773 &cgd.inq_data, 1774 &sense_key_desc, 1775 &asc_desc); 1776 snprintf(announce_buf, 1777 sizeof(announce_buf), 1778 "Attempt to query device " 1779 "size failed: %s, %s", 1780 sense_key_desc, 1781 asc_desc); 1782 } else if ((have_sense == 0) 1783 && ((status & CAM_STATUS_MASK) == 1784 CAM_SCSI_STATUS_ERROR) 1785 && (csio->scsi_status == 1786 SCSI_STATUS_BUSY)) { 1787 snprintf(announce_buf, 1788 sizeof(announce_buf), 1789 "Attempt to query device " 1790 "size failed: SCSI Status: %s", 1791 scsi_status_string(csio)); 1792 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1793 /* 1794 * We only print out an error for 1795 * CDROM type devices. For WORM 1796 * devices, we don't print out an 1797 * error since a few WORM devices 1798 * don't support CDROM commands. 1799 * If we have sense information, go 1800 * ahead and print it out. 1801 * Otherwise, just say that we 1802 * couldn't attach. 1803 */ 1804 1805 /* 1806 * Just print out the error, not 1807 * the full probe message, when we 1808 * don't attach. 1809 */ 1810 if (have_sense) 1811 scsi_sense_print( 1812 &done_ccb->csio); 1813 else { 1814 xpt_print_path(periph->path); 1815 printf("got CAM status %#x\n", 1816 done_ccb->ccb_h.status); 1817 } 1818 xpt_print_path(periph->path); 1819 printf("fatal error, failed" 1820 " to attach to device\n"); 1821 1822 /* 1823 * Invalidate this peripheral. 1824 */ 1825 cam_periph_invalidate(periph); 1826 1827 announce_buf[0] = '\0'; 1828 } else { 1829 1830 /* 1831 * Invalidate this peripheral. 1832 */ 1833 cam_periph_invalidate(periph); 1834 announce_buf[0] = '\0'; 1835 } 1836 } 1837 } 1838 free(rdcap, M_TEMP); 1839 if (announce_buf[0] != '\0') { 1840 xpt_announce_periph(periph, announce_buf); 1841 if (softc->flags & CD_FLAG_CHANGER) 1842 cdchangerschedule(softc); 1843 /* 1844 * Create our sysctl variables, now that we know 1845 * we have successfully attached. 1846 */ 1847 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1848 } 1849 softc->state = CD_STATE_NORMAL; 1850 /* 1851 * Since our peripheral may be invalidated by an error 1852 * above or an external event, we must release our CCB 1853 * before releasing the probe lock on the peripheral. 1854 * The peripheral will only go away once the last lock 1855 * is removed, and we need it around for the CCB release 1856 * operation. 1857 */ 1858 xpt_release_ccb(done_ccb); 1859 cam_periph_unlock(periph); 1860 return; 1861 } 1862 case CD_CCB_WAITING: 1863 { 1864 /* Caller will release the CCB */ 1865 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1866 ("trying to wakeup ccbwait\n")); 1867 1868 wakeup(&done_ccb->ccb_h.cbfcnp); 1869 return; 1870 } 1871 default: 1872 break; 1873 } 1874 xpt_release_ccb(done_ccb); 1875} 1876 1877static union cd_pages * 1878cdgetpage(struct cd_mode_params *mode_params) 1879{ 1880 union cd_pages *page; 1881 1882 if (mode_params->cdb_size == 10) 1883 page = (union cd_pages *)find_mode_page_10( 1884 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1885 else 1886 page = (union cd_pages *)find_mode_page_6( 1887 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1888 1889 return (page); 1890} 1891 1892static int 1893cdgetpagesize(int page_num) 1894{ 1895 int i; 1896 1897 for (i = 0; i < (sizeof(cd_page_size_table)/ 1898 sizeof(cd_page_size_table[0])); i++) { 1899 if (cd_page_size_table[i].page == page_num) 1900 return (cd_page_size_table[i].page_size); 1901 } 1902 1903 return (-1); 1904} 1905 1906static int 1907cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1908{ 1909 1910 struct cam_periph *periph; 1911 struct cd_softc *softc; 1912 int error; 1913 1914 periph = (struct cam_periph *)dp->d_drv1; 1915 if (periph == NULL) 1916 return(ENXIO); 1917 1918 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1919 1920 softc = (struct cd_softc *)periph->softc; 1921 1922 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1923 ("trying to do ioctl %#lx\n", cmd)); 1924 1925 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1926 1927 if (error != 0) 1928 return(error); 1929 /* 1930 * If we don't have media loaded, check for it. If still don't 1931 * have media loaded, we can only do a load or eject. 1932 */ 1933 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1934 && ((cmd != CDIOCCLOSE) 1935 && (cmd != CDIOCEJECT))) { 1936 error = cdcheckmedia(periph); 1937 if (error != 0) { 1938 cam_periph_unlock(periph); 1939 return (error); 1940 } 1941 } 1942 1943 switch (cmd) { 1944 1945 case CDIOCPLAYTRACKS: 1946 { 1947 struct ioc_play_track *args 1948 = (struct ioc_play_track *) addr; 1949 struct cd_mode_params params; 1950 union cd_pages *page; 1951 1952 params.alloc_len = sizeof(union cd_mode_data_6_10); 1953 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1954 M_WAITOK | M_ZERO); 1955 1956 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1957 ("trying to do CDIOCPLAYTRACKS\n")); 1958 1959 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1960 if (error) { 1961 free(params.mode_buf, M_TEMP); 1962 break; 1963 } 1964 page = cdgetpage(¶ms); 1965 1966 page->audio.flags &= ~CD_PA_SOTC; 1967 page->audio.flags |= CD_PA_IMMED; 1968 error = cdsetmode(periph, ¶ms); 1969 free(params.mode_buf, M_TEMP); 1970 if (error) 1971 break; 1972 1973 /* 1974 * This was originally implemented with the PLAY 1975 * AUDIO TRACK INDEX command, but that command was 1976 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1977 * drives support it but ATAPI and ATAPI-derivative 1978 * drives don't seem to support it. So we keep a 1979 * cache of the table of contents and translate 1980 * track numbers to MSF format. 1981 */ 1982 if (softc->flags & CD_FLAG_VALID_TOC) { 1983 union msf_lba *sentry, *eentry; 1984 int st, et; 1985 1986 if (args->end_track < 1987 softc->toc.header.ending_track + 1) 1988 args->end_track++; 1989 if (args->end_track > 1990 softc->toc.header.ending_track + 1) 1991 args->end_track = 1992 softc->toc.header.ending_track + 1; 1993 st = args->start_track - 1994 softc->toc.header.starting_track; 1995 et = args->end_track - 1996 softc->toc.header.starting_track; 1997 if ((st < 0) 1998 || (et < 0) 1999 || (st > (softc->toc.header.ending_track - 2000 softc->toc.header.starting_track))) { 2001 error = EINVAL; 2002 break; 2003 } 2004 sentry = &softc->toc.entries[st].addr; 2005 eentry = &softc->toc.entries[et].addr; 2006 error = cdplaymsf(periph, 2007 sentry->msf.minute, 2008 sentry->msf.second, 2009 sentry->msf.frame, 2010 eentry->msf.minute, 2011 eentry->msf.second, 2012 eentry->msf.frame); 2013 } else { 2014 /* 2015 * If we don't have a valid TOC, try the 2016 * play track index command. It is part of 2017 * the SCSI-2 spec, but was removed in the 2018 * MMC specs. ATAPI and ATAPI-derived 2019 * drives don't support it. 2020 */ 2021 if (softc->quirks & CD_Q_BCD_TRACKS) { 2022 args->start_track = 2023 bin2bcd(args->start_track); 2024 args->end_track = 2025 bin2bcd(args->end_track); 2026 } 2027 error = cdplaytracks(periph, 2028 args->start_track, 2029 args->start_index, 2030 args->end_track, 2031 args->end_index); 2032 } 2033 } 2034 break; 2035 case CDIOCPLAYMSF: 2036 { 2037 struct ioc_play_msf *args 2038 = (struct ioc_play_msf *) addr; 2039 struct cd_mode_params params; 2040 union cd_pages *page; 2041 2042 params.alloc_len = sizeof(union cd_mode_data_6_10); 2043 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2044 M_WAITOK | M_ZERO); 2045 2046 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2047 ("trying to do CDIOCPLAYMSF\n")); 2048 2049 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2050 if (error) { 2051 free(params.mode_buf, M_TEMP); 2052 break; 2053 } 2054 page = cdgetpage(¶ms); 2055 2056 page->audio.flags &= ~CD_PA_SOTC; 2057 page->audio.flags |= CD_PA_IMMED; 2058 error = cdsetmode(periph, ¶ms); 2059 free(params.mode_buf, M_TEMP); 2060 if (error) 2061 break; 2062 error = cdplaymsf(periph, 2063 args->start_m, 2064 args->start_s, 2065 args->start_f, 2066 args->end_m, 2067 args->end_s, 2068 args->end_f); 2069 } 2070 break; 2071 case CDIOCPLAYBLOCKS: 2072 { 2073 struct ioc_play_blocks *args 2074 = (struct ioc_play_blocks *) addr; 2075 struct cd_mode_params params; 2076 union cd_pages *page; 2077 2078 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2079 ("trying to do CDIOCPLAYBLOCKS\n")); 2080 2081 params.alloc_len = sizeof(union cd_mode_data_6_10); 2082 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2083 M_WAITOK | M_ZERO); 2084 2085 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2086 if (error) { 2087 free(params.mode_buf, M_TEMP); 2088 break; 2089 } 2090 page = cdgetpage(¶ms); 2091 2092 page->audio.flags &= ~CD_PA_SOTC; 2093 page->audio.flags |= CD_PA_IMMED; 2094 error = cdsetmode(periph, ¶ms); 2095 free(params.mode_buf, M_TEMP); 2096 if (error) 2097 break; 2098 error = cdplay(periph, args->blk, args->len); 2099 } 2100 break; 2101 case CDIOCREADSUBCHANNEL: 2102 { 2103 struct ioc_read_subchannel *args 2104 = (struct ioc_read_subchannel *) addr; 2105 struct cd_sub_channel_info *data; 2106 u_int32_t len = args->data_len; 2107 2108 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2109 ("trying to do CDIOCREADSUBCHANNEL\n")); 2110 2111 data = malloc(sizeof(struct cd_sub_channel_info), 2112 M_TEMP, M_WAITOK); 2113 2114 if ((len > sizeof(struct cd_sub_channel_info)) || 2115 (len < sizeof(struct cd_sub_channel_header))) { 2116 printf( 2117 "scsi_cd: cdioctl: " 2118 "cdioreadsubchannel: error, len=%d\n", 2119 len); 2120 error = EINVAL; 2121 free(data, M_TEMP); 2122 break; 2123 } 2124 2125 if (softc->quirks & CD_Q_BCD_TRACKS) 2126 args->track = bin2bcd(args->track); 2127 2128 error = cdreadsubchannel(periph, args->address_format, 2129 args->data_format, args->track, data, len); 2130 2131 if (error) { 2132 free(data, M_TEMP); 2133 break; 2134 } 2135 if (softc->quirks & CD_Q_BCD_TRACKS) 2136 data->what.track_info.track_number = 2137 bcd2bin(data->what.track_info.track_number); 2138 len = min(len, ((data->header.data_len[0] << 8) + 2139 data->header.data_len[1] + 2140 sizeof(struct cd_sub_channel_header))); 2141 if (copyout(data, args->data, len) != 0) { 2142 error = EFAULT; 2143 } 2144 free(data, M_TEMP); 2145 } 2146 break; 2147 2148 case CDIOREADTOCHEADER: 2149 { 2150 struct ioc_toc_header *th; 2151 2152 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2153 ("trying to do CDIOREADTOCHEADER\n")); 2154 2155 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2156 M_WAITOK); 2157 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2158 sizeof (*th), /*sense_flags*/0); 2159 if (error) { 2160 free(th, M_TEMP); 2161 break; 2162 } 2163 if (softc->quirks & CD_Q_BCD_TRACKS) { 2164 /* we are going to have to convert the BCD 2165 * encoding on the cd to what is expected 2166 */ 2167 th->starting_track = 2168 bcd2bin(th->starting_track); 2169 th->ending_track = bcd2bin(th->ending_track); 2170 } 2171 th->len = ntohs(th->len); 2172 bcopy(th, addr, sizeof(*th)); 2173 free(th, M_TEMP); 2174 } 2175 break; 2176 case CDIOREADTOCENTRYS: 2177 { 2178 struct cd_tocdata *data; 2179 struct cd_toc_single *lead; 2180 struct ioc_read_toc_entry *te = 2181 (struct ioc_read_toc_entry *) addr; 2182 struct ioc_toc_header *th; 2183 u_int32_t len, readlen, idx, num; 2184 u_int32_t starting_track = te->starting_track; 2185 2186 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2187 ("trying to do CDIOREADTOCENTRYS\n")); 2188 2189 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2190 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2191 2192 if (te->data_len < sizeof(struct cd_toc_entry) 2193 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2194 || (te->address_format != CD_MSF_FORMAT 2195 && te->address_format != CD_LBA_FORMAT)) { 2196 error = EINVAL; 2197 printf("scsi_cd: error in readtocentries, " 2198 "returning EINVAL\n"); 2199 free(data, M_TEMP); 2200 free(lead, M_TEMP); 2201 break; 2202 } 2203 2204 th = &data->header; 2205 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2206 sizeof (*th), /*sense_flags*/0); 2207 if (error) { 2208 free(data, M_TEMP); 2209 free(lead, M_TEMP); 2210 break; 2211 } 2212 2213 if (softc->quirks & CD_Q_BCD_TRACKS) { 2214 /* we are going to have to convert the BCD 2215 * encoding on the cd to what is expected 2216 */ 2217 th->starting_track = 2218 bcd2bin(th->starting_track); 2219 th->ending_track = bcd2bin(th->ending_track); 2220 } 2221 2222 if (starting_track == 0) 2223 starting_track = th->starting_track; 2224 else if (starting_track == LEADOUT) 2225 starting_track = th->ending_track + 1; 2226 else if (starting_track < th->starting_track || 2227 starting_track > th->ending_track + 1) { 2228 printf("scsi_cd: error in readtocentries, " 2229 "returning EINVAL\n"); 2230 free(data, M_TEMP); 2231 free(lead, M_TEMP); 2232 error = EINVAL; 2233 break; 2234 } 2235 2236 /* calculate reading length without leadout entry */ 2237 readlen = (th->ending_track - starting_track + 1) * 2238 sizeof(struct cd_toc_entry); 2239 2240 /* and with leadout entry */ 2241 len = readlen + sizeof(struct cd_toc_entry); 2242 if (te->data_len < len) { 2243 len = te->data_len; 2244 if (readlen > len) 2245 readlen = len; 2246 } 2247 if (len > sizeof(data->entries)) { 2248 printf("scsi_cd: error in readtocentries, " 2249 "returning EINVAL\n"); 2250 error = EINVAL; 2251 free(data, M_TEMP); 2252 free(lead, M_TEMP); 2253 break; 2254 } 2255 num = len / sizeof(struct cd_toc_entry); 2256 2257 if (readlen > 0) { 2258 error = cdreadtoc(periph, te->address_format, 2259 starting_track, 2260 (u_int8_t *)data, 2261 readlen + sizeof (*th), 2262 /*sense_flags*/0); 2263 if (error) { 2264 free(data, M_TEMP); 2265 free(lead, M_TEMP); 2266 break; 2267 } 2268 } 2269 2270 /* make leadout entry if needed */ 2271 idx = starting_track + num - 1; 2272 if (softc->quirks & CD_Q_BCD_TRACKS) 2273 th->ending_track = bcd2bin(th->ending_track); 2274 if (idx == th->ending_track + 1) { 2275 error = cdreadtoc(periph, te->address_format, 2276 LEADOUT, (u_int8_t *)lead, 2277 sizeof(*lead), 2278 /*sense_flags*/0); 2279 if (error) { 2280 free(data, M_TEMP); 2281 free(lead, M_TEMP); 2282 break; 2283 } 2284 data->entries[idx - starting_track] = 2285 lead->entry; 2286 } 2287 if (softc->quirks & CD_Q_BCD_TRACKS) { 2288 for (idx = 0; idx < num - 1; idx++) { 2289 data->entries[idx].track = 2290 bcd2bin(data->entries[idx].track); 2291 } 2292 } 2293 2294 error = copyout(data->entries, te->data, len); 2295 free(data, M_TEMP); 2296 free(lead, M_TEMP); 2297 } 2298 break; 2299 case CDIOREADTOCENTRY: 2300 { 2301 struct cd_toc_single *data; 2302 struct ioc_read_toc_single_entry *te = 2303 (struct ioc_read_toc_single_entry *) addr; 2304 struct ioc_toc_header *th; 2305 u_int32_t track; 2306 2307 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2308 ("trying to do CDIOREADTOCENTRY\n")); 2309 2310 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2311 2312 if (te->address_format != CD_MSF_FORMAT 2313 && te->address_format != CD_LBA_FORMAT) { 2314 printf("error in readtocentry, " 2315 " returning EINVAL\n"); 2316 free(data, M_TEMP); 2317 error = EINVAL; 2318 break; 2319 } 2320 2321 th = &data->header; 2322 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2323 sizeof (*th), /*sense_flags*/0); 2324 if (error) { 2325 free(data, M_TEMP); 2326 break; 2327 } 2328 2329 if (softc->quirks & CD_Q_BCD_TRACKS) { 2330 /* we are going to have to convert the BCD 2331 * encoding on the cd to what is expected 2332 */ 2333 th->starting_track = 2334 bcd2bin(th->starting_track); 2335 th->ending_track = bcd2bin(th->ending_track); 2336 } 2337 track = te->track; 2338 if (track == 0) 2339 track = th->starting_track; 2340 else if (track == LEADOUT) 2341 /* OK */; 2342 else if (track < th->starting_track || 2343 track > th->ending_track + 1) { 2344 printf("error in readtocentry, " 2345 " returning EINVAL\n"); 2346 free(data, M_TEMP); 2347 error = EINVAL; 2348 break; 2349 } 2350 2351 error = cdreadtoc(periph, te->address_format, track, 2352 (u_int8_t *)data, sizeof(*data), 2353 /*sense_flags*/0); 2354 if (error) { 2355 free(data, M_TEMP); 2356 break; 2357 } 2358 2359 if (softc->quirks & CD_Q_BCD_TRACKS) 2360 data->entry.track = bcd2bin(data->entry.track); 2361 bcopy(&data->entry, &te->entry, 2362 sizeof(struct cd_toc_entry)); 2363 free(data, M_TEMP); 2364 } 2365 break; 2366 case CDIOCSETPATCH: 2367 { 2368 struct ioc_patch *arg = (struct ioc_patch *)addr; 2369 struct cd_mode_params params; 2370 union cd_pages *page; 2371 2372 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2373 ("trying to do CDIOCSETPATCH\n")); 2374 2375 params.alloc_len = sizeof(union cd_mode_data_6_10); 2376 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2377 M_WAITOK | M_ZERO); 2378 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2379 if (error) { 2380 free(params.mode_buf, M_TEMP); 2381 break; 2382 } 2383 page = cdgetpage(¶ms); 2384 2385 page->audio.port[LEFT_PORT].channels = 2386 arg->patch[0]; 2387 page->audio.port[RIGHT_PORT].channels = 2388 arg->patch[1]; 2389 page->audio.port[2].channels = arg->patch[2]; 2390 page->audio.port[3].channels = arg->patch[3]; 2391 error = cdsetmode(periph, ¶ms); 2392 free(params.mode_buf, M_TEMP); 2393 } 2394 break; 2395 case CDIOCGETVOL: 2396 { 2397 struct ioc_vol *arg = (struct ioc_vol *) addr; 2398 struct cd_mode_params params; 2399 union cd_pages *page; 2400 2401 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2402 ("trying to do CDIOCGETVOL\n")); 2403 2404 params.alloc_len = sizeof(union cd_mode_data_6_10); 2405 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2406 M_WAITOK | M_ZERO); 2407 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2408 if (error) { 2409 free(params.mode_buf, M_TEMP); 2410 break; 2411 } 2412 page = cdgetpage(¶ms); 2413 2414 arg->vol[LEFT_PORT] = 2415 page->audio.port[LEFT_PORT].volume; 2416 arg->vol[RIGHT_PORT] = 2417 page->audio.port[RIGHT_PORT].volume; 2418 arg->vol[2] = page->audio.port[2].volume; 2419 arg->vol[3] = page->audio.port[3].volume; 2420 free(params.mode_buf, M_TEMP); 2421 } 2422 break; 2423 case CDIOCSETVOL: 2424 { 2425 struct ioc_vol *arg = (struct ioc_vol *) addr; 2426 struct cd_mode_params params; 2427 union cd_pages *page; 2428 2429 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2430 ("trying to do CDIOCSETVOL\n")); 2431 2432 params.alloc_len = sizeof(union cd_mode_data_6_10); 2433 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2434 M_WAITOK | M_ZERO); 2435 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2436 if (error) { 2437 free(params.mode_buf, M_TEMP); 2438 break; 2439 } 2440 page = cdgetpage(¶ms); 2441 2442 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2443 page->audio.port[LEFT_PORT].volume = 2444 arg->vol[LEFT_PORT]; 2445 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2446 page->audio.port[RIGHT_PORT].volume = 2447 arg->vol[RIGHT_PORT]; 2448 page->audio.port[2].volume = arg->vol[2]; 2449 page->audio.port[3].volume = arg->vol[3]; 2450 error = cdsetmode(periph, ¶ms); 2451 free(params.mode_buf, M_TEMP); 2452 } 2453 break; 2454 case CDIOCSETMONO: 2455 { 2456 struct cd_mode_params params; 2457 union cd_pages *page; 2458 2459 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2460 ("trying to do CDIOCSETMONO\n")); 2461 2462 params.alloc_len = sizeof(union cd_mode_data_6_10); 2463 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2464 M_WAITOK | M_ZERO); 2465 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2466 if (error) { 2467 free(params.mode_buf, M_TEMP); 2468 break; 2469 } 2470 page = cdgetpage(¶ms); 2471 2472 page->audio.port[LEFT_PORT].channels = 2473 LEFT_CHANNEL | RIGHT_CHANNEL; 2474 page->audio.port[RIGHT_PORT].channels = 2475 LEFT_CHANNEL | RIGHT_CHANNEL; 2476 page->audio.port[2].channels = 0; 2477 page->audio.port[3].channels = 0; 2478 error = cdsetmode(periph, ¶ms); 2479 free(params.mode_buf, M_TEMP); 2480 } 2481 break; 2482 case CDIOCSETSTEREO: 2483 { 2484 struct cd_mode_params params; 2485 union cd_pages *page; 2486 2487 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2488 ("trying to do CDIOCSETSTEREO\n")); 2489 2490 params.alloc_len = sizeof(union cd_mode_data_6_10); 2491 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2492 M_WAITOK | M_ZERO); 2493 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2494 if (error) { 2495 free(params.mode_buf, M_TEMP); 2496 break; 2497 } 2498 page = cdgetpage(¶ms); 2499 2500 page->audio.port[LEFT_PORT].channels = 2501 LEFT_CHANNEL; 2502 page->audio.port[RIGHT_PORT].channels = 2503 RIGHT_CHANNEL; 2504 page->audio.port[2].channels = 0; 2505 page->audio.port[3].channels = 0; 2506 error = cdsetmode(periph, ¶ms); 2507 free(params.mode_buf, M_TEMP); 2508 } 2509 break; 2510 case CDIOCSETMUTE: 2511 { 2512 struct cd_mode_params params; 2513 union cd_pages *page; 2514 2515 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2516 ("trying to do CDIOCSETMUTE\n")); 2517 2518 params.alloc_len = sizeof(union cd_mode_data_6_10); 2519 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2520 M_WAITOK | M_ZERO); 2521 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2522 if (error) { 2523 free(¶ms, M_TEMP); 2524 break; 2525 } 2526 page = cdgetpage(¶ms); 2527 2528 page->audio.port[LEFT_PORT].channels = 0; 2529 page->audio.port[RIGHT_PORT].channels = 0; 2530 page->audio.port[2].channels = 0; 2531 page->audio.port[3].channels = 0; 2532 error = cdsetmode(periph, ¶ms); 2533 free(params.mode_buf, M_TEMP); 2534 } 2535 break; 2536 case CDIOCSETLEFT: 2537 { 2538 struct cd_mode_params params; 2539 union cd_pages *page; 2540 2541 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2542 ("trying to do CDIOCSETLEFT\n")); 2543 2544 params.alloc_len = sizeof(union cd_mode_data_6_10); 2545 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2546 M_WAITOK | M_ZERO); 2547 2548 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2549 if (error) { 2550 free(params.mode_buf, M_TEMP); 2551 break; 2552 } 2553 page = cdgetpage(¶ms); 2554 2555 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2556 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2557 page->audio.port[2].channels = 0; 2558 page->audio.port[3].channels = 0; 2559 error = cdsetmode(periph, ¶ms); 2560 free(params.mode_buf, M_TEMP); 2561 } 2562 break; 2563 case CDIOCSETRIGHT: 2564 { 2565 struct cd_mode_params params; 2566 union cd_pages *page; 2567 2568 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2569 ("trying to do CDIOCSETRIGHT\n")); 2570 2571 params.alloc_len = sizeof(union cd_mode_data_6_10); 2572 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2573 M_WAITOK | M_ZERO); 2574 2575 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2576 if (error) { 2577 free(params.mode_buf, M_TEMP); 2578 break; 2579 } 2580 page = cdgetpage(¶ms); 2581 2582 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2583 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2584 page->audio.port[2].channels = 0; 2585 page->audio.port[3].channels = 0; 2586 error = cdsetmode(periph, ¶ms); 2587 free(params.mode_buf, M_TEMP); 2588 } 2589 break; 2590 case CDIOCRESUME: 2591 error = cdpause(periph, 1); 2592 break; 2593 case CDIOCPAUSE: 2594 error = cdpause(periph, 0); 2595 break; 2596 case CDIOCSTART: 2597 error = cdstartunit(periph, 0); 2598 break; 2599 case CDIOCCLOSE: 2600 error = cdstartunit(periph, 1); 2601 break; 2602 case CDIOCSTOP: 2603 error = cdstopunit(periph, 0); 2604 break; 2605 case CDIOCEJECT: 2606 error = cdstopunit(periph, 1); 2607 break; 2608 case CDIOCALLOW: 2609 cdprevent(periph, PR_ALLOW); 2610 break; 2611 case CDIOCPREVENT: 2612 cdprevent(periph, PR_PREVENT); 2613 break; 2614 case CDIOCSETDEBUG: 2615 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2616 error = ENOTTY; 2617 break; 2618 case CDIOCCLRDEBUG: 2619 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2620 error = ENOTTY; 2621 break; 2622 case CDIOCRESET: 2623 /* return (cd_reset(periph)); */ 2624 error = ENOTTY; 2625 break; 2626 case CDRIOCREADSPEED: 2627 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2628 break; 2629 case CDRIOCWRITESPEED: 2630 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2631 break; 2632 case DVDIOCSENDKEY: 2633 case DVDIOCREPORTKEY: { 2634 struct dvd_authinfo *authinfo; 2635 2636 authinfo = (struct dvd_authinfo *)addr; 2637 2638 if (cmd == DVDIOCREPORTKEY) 2639 error = cdreportkey(periph, authinfo); 2640 else 2641 error = cdsendkey(periph, authinfo); 2642 break; 2643 } 2644 case DVDIOCREADSTRUCTURE: { 2645 struct dvd_struct *dvdstruct; 2646 2647 dvdstruct = (struct dvd_struct *)addr; 2648 2649 error = cdreaddvdstructure(periph, dvdstruct); 2650 2651 break; 2652 } 2653 default: 2654 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2655 break; 2656 } 2657 2658 cam_periph_unlock(periph); 2659 2660 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2661 if (error && bootverbose) { 2662 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2663 } 2664 2665 return (error); 2666} 2667 2668static void 2669cdprevent(struct cam_periph *periph, int action) 2670{ 2671 union ccb *ccb; 2672 struct cd_softc *softc; 2673 int error; 2674 2675 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2676 2677 softc = (struct cd_softc *)periph->softc; 2678 2679 if (((action == PR_ALLOW) 2680 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2681 || ((action == PR_PREVENT) 2682 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2683 return; 2684 } 2685 2686 ccb = cdgetccb(periph, /* priority */ 1); 2687 2688 scsi_prevent(&ccb->csio, 2689 /*retries*/ 1, 2690 cddone, 2691 MSG_SIMPLE_Q_TAG, 2692 action, 2693 SSD_FULL_SIZE, 2694 /* timeout */60000); 2695 2696 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2697 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2698 2699 xpt_release_ccb(ccb); 2700 2701 if (error == 0) { 2702 if (action == PR_ALLOW) 2703 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2704 else 2705 softc->flags |= CD_FLAG_DISC_LOCKED; 2706 } 2707} 2708 2709/* 2710 * XXX: the disk media and sector size is only really able to change 2711 * XXX: while the device is closed. 2712 */ 2713static int 2714cdcheckmedia(struct cam_periph *periph) 2715{ 2716 struct cd_softc *softc; 2717 struct ioc_toc_header *toch; 2718 struct cd_toc_single leadout; 2719 u_int32_t size, toclen; 2720 int error, num_entries, cdindex; 2721 2722 softc = (struct cd_softc *)periph->softc; 2723 2724 cdprevent(periph, PR_PREVENT); 2725 softc->disk->d_maxsize = DFLTPHYS; 2726 softc->disk->d_sectorsize = 0; 2727 softc->disk->d_mediasize = 0; 2728 2729 /* 2730 * Get the disc size and block size. If we can't get it, we don't 2731 * have media, most likely. 2732 */ 2733 if ((error = cdsize(periph, &size)) != 0) { 2734 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2735 cdprevent(periph, PR_ALLOW); 2736 return (error); 2737 } else 2738 softc->flags |= CD_FLAG_VALID_MEDIA; 2739 2740 /* 2741 * Now we check the table of contents. This (currently) is only 2742 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2743 * things like present a separate entry in /dev for each track, 2744 * like that acd(4) driver does. 2745 */ 2746 bzero(&softc->toc, sizeof(softc->toc)); 2747 toch = &softc->toc.header; 2748 /* 2749 * We will get errors here for media that doesn't have a table of 2750 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2751 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2752 * has not been recorded (no complete session) and the Format codes 2753 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2754 * with an INVALID FIELD IN CDB. Devices that are not capable of 2755 * reading an incomplete session on DDC/CD-R/RW media shall report 2756 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2757 * 2758 * So this isn't fatal if we can't read the table of contents, it 2759 * just means that the user won't be able to issue the play tracks 2760 * ioctl, and likely lots of other stuff won't work either. They 2761 * need to burn the CD before we can do a whole lot with it. So 2762 * we don't print anything here if we get an error back. 2763 */ 2764 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2765 SF_NO_PRINT); 2766 /* 2767 * Errors in reading the table of contents aren't fatal, we just 2768 * won't have a valid table of contents cached. 2769 */ 2770 if (error != 0) { 2771 error = 0; 2772 bzero(&softc->toc, sizeof(softc->toc)); 2773 goto bailout; 2774 } 2775 2776 if (softc->quirks & CD_Q_BCD_TRACKS) { 2777 toch->starting_track = bcd2bin(toch->starting_track); 2778 toch->ending_track = bcd2bin(toch->ending_track); 2779 } 2780 2781 /* Number of TOC entries, plus leadout */ 2782 num_entries = (toch->ending_track - toch->starting_track) + 2; 2783 2784 if (num_entries <= 0) 2785 goto bailout; 2786 2787 toclen = num_entries * sizeof(struct cd_toc_entry); 2788 2789 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2790 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2791 SF_NO_PRINT); 2792 if (error != 0) { 2793 error = 0; 2794 bzero(&softc->toc, sizeof(softc->toc)); 2795 goto bailout; 2796 } 2797 2798 if (softc->quirks & CD_Q_BCD_TRACKS) { 2799 toch->starting_track = bcd2bin(toch->starting_track); 2800 toch->ending_track = bcd2bin(toch->ending_track); 2801 } 2802 /* 2803 * XXX KDM is this necessary? Probably only if the drive doesn't 2804 * return leadout information with the table of contents. 2805 */ 2806 cdindex = toch->starting_track + num_entries -1; 2807 if (cdindex == toch->ending_track + 1) { 2808 2809 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2810 (u_int8_t *)&leadout, sizeof(leadout), 2811 SF_NO_PRINT); 2812 if (error != 0) { 2813 error = 0; 2814 goto bailout; 2815 } 2816 softc->toc.entries[cdindex - toch->starting_track] = 2817 leadout.entry; 2818 } 2819 if (softc->quirks & CD_Q_BCD_TRACKS) { 2820 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2821 softc->toc.entries[cdindex].track = 2822 bcd2bin(softc->toc.entries[cdindex].track); 2823 } 2824 } 2825 2826 softc->flags |= CD_FLAG_VALID_TOC; 2827 softc->disk->d_maxsize = DFLTPHYS; 2828 softc->disk->d_sectorsize = softc->params.blksize; 2829 softc->disk->d_mediasize = 2830 (off_t)softc->params.blksize * softc->params.disksize; 2831 2832bailout: 2833 2834 /* 2835 * We unconditionally (re)set the blocksize each time the 2836 * CD device is opened. This is because the CD can change, 2837 * and therefore the blocksize might change. 2838 * XXX problems here if some slice or partition is still 2839 * open with the old size? 2840 */ 2841 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2842 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2843 softc->disk->d_devstat->block_size = softc->params.blksize; 2844 2845 return (error); 2846} 2847 2848static int 2849cdsize(struct cam_periph *periph, u_int32_t *size) 2850{ 2851 struct cd_softc *softc; 2852 union ccb *ccb; 2853 struct scsi_read_capacity_data *rcap_buf; 2854 int error; 2855 2856 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2857 2858 softc = (struct cd_softc *)periph->softc; 2859 2860 ccb = cdgetccb(periph, /* priority */ 1); 2861 2862 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2863 M_TEMP, M_WAITOK); 2864 2865 scsi_read_capacity(&ccb->csio, 2866 /*retries*/ 1, 2867 cddone, 2868 MSG_SIMPLE_Q_TAG, 2869 rcap_buf, 2870 SSD_FULL_SIZE, 2871 /* timeout */20000); 2872 2873 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2874 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2875 2876 xpt_release_ccb(ccb); 2877 2878 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2879 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2880 /* 2881 * SCSI-3 mandates that the reported blocksize shall be 2048. 2882 * Older drives sometimes report funny values, trim it down to 2883 * 2048, or other parts of the kernel will get confused. 2884 * 2885 * XXX we leave drives alone that might report 512 bytes, as 2886 * well as drives reporting more weird sizes like perhaps 4K. 2887 */ 2888 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2889 softc->params.blksize = 2048; 2890 2891 free(rcap_buf, M_TEMP); 2892 *size = softc->params.disksize; 2893 2894 return (error); 2895 2896} 2897 2898static int 2899cd6byteworkaround(union ccb *ccb) 2900{ 2901 u_int8_t *cdb; 2902 struct cam_periph *periph; 2903 struct cd_softc *softc; 2904 struct cd_mode_params *params; 2905 int frozen, found; 2906 2907 periph = xpt_path_periph(ccb->ccb_h.path); 2908 softc = (struct cd_softc *)periph->softc; 2909 2910 cdb = ccb->csio.cdb_io.cdb_bytes; 2911 2912 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2913 || ((cdb[0] != MODE_SENSE_6) 2914 && (cdb[0] != MODE_SELECT_6))) 2915 return (0); 2916 2917 /* 2918 * Because there is no convenient place to stash the overall 2919 * cd_mode_params structure pointer, we have to grab it like this. 2920 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2921 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2922 * 2923 * XXX It would be nice if, at some point, we could increase the 2924 * number of available peripheral private pointers. Both pointers 2925 * are currently used in most every peripheral driver. 2926 */ 2927 found = 0; 2928 2929 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2930 if (params->mode_buf == ccb->csio.data_ptr) { 2931 found = 1; 2932 break; 2933 } 2934 } 2935 2936 /* 2937 * This shouldn't happen. All mode sense and mode select 2938 * operations in the cd(4) driver MUST go through cdgetmode() and 2939 * cdsetmode()! 2940 */ 2941 if (found == 0) { 2942 xpt_print_path(periph->path); 2943 printf("mode buffer not found in mode queue!\n"); 2944 return (0); 2945 } 2946 2947 params->cdb_size = 10; 2948 softc->minimum_command_size = 10; 2949 xpt_print_path(ccb->ccb_h.path); 2950 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2951 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2952 2953 if (cdb[0] == MODE_SENSE_6) { 2954 struct scsi_mode_sense_10 ms10; 2955 struct scsi_mode_sense_6 *ms6; 2956 int len; 2957 2958 ms6 = (struct scsi_mode_sense_6 *)cdb; 2959 2960 bzero(&ms10, sizeof(ms10)); 2961 ms10.opcode = MODE_SENSE_10; 2962 ms10.byte2 = ms6->byte2; 2963 ms10.page = ms6->page; 2964 2965 /* 2966 * 10 byte mode header, block descriptor, 2967 * sizeof(union cd_pages) 2968 */ 2969 len = sizeof(struct cd_mode_data_10); 2970 ccb->csio.dxfer_len = len; 2971 2972 scsi_ulto2b(len, ms10.length); 2973 ms10.control = ms6->control; 2974 bcopy(&ms10, cdb, 10); 2975 ccb->csio.cdb_len = 10; 2976 } else { 2977 struct scsi_mode_select_10 ms10; 2978 struct scsi_mode_select_6 *ms6; 2979 struct scsi_mode_header_6 *header6; 2980 struct scsi_mode_header_10 *header10; 2981 struct scsi_mode_page_header *page_header; 2982 int blk_desc_len, page_num, page_size, len; 2983 2984 ms6 = (struct scsi_mode_select_6 *)cdb; 2985 2986 bzero(&ms10, sizeof(ms10)); 2987 ms10.opcode = MODE_SELECT_10; 2988 ms10.byte2 = ms6->byte2; 2989 2990 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2991 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2992 2993 page_header = find_mode_page_6(header6); 2994 page_num = page_header->page_code; 2995 2996 blk_desc_len = header6->blk_desc_len; 2997 2998 page_size = cdgetpagesize(page_num); 2999 3000 if (page_size != (page_header->page_length + 3001 sizeof(*page_header))) 3002 page_size = page_header->page_length + 3003 sizeof(*page_header); 3004 3005 len = sizeof(*header10) + blk_desc_len + page_size; 3006 3007 len = min(params->alloc_len, len); 3008 3009 /* 3010 * Since the 6 byte parameter header is shorter than the 10 3011 * byte parameter header, we need to copy the actual mode 3012 * page data, and the block descriptor, if any, so things wind 3013 * up in the right place. The regions will overlap, but 3014 * bcopy() does the right thing. 3015 */ 3016 bcopy(params->mode_buf + sizeof(*header6), 3017 params->mode_buf + sizeof(*header10), 3018 len - sizeof(*header10)); 3019 3020 /* Make sure these fields are set correctly. */ 3021 scsi_ulto2b(0, header10->data_length); 3022 header10->medium_type = 0; 3023 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3024 3025 ccb->csio.dxfer_len = len; 3026 3027 scsi_ulto2b(len, ms10.length); 3028 ms10.control = ms6->control; 3029 bcopy(&ms10, cdb, 10); 3030 ccb->csio.cdb_len = 10; 3031 } 3032 3033 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3034 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3035 xpt_action(ccb); 3036 if (frozen) { 3037 cam_release_devq(ccb->ccb_h.path, 3038 /*relsim_flags*/0, 3039 /*openings*/0, 3040 /*timeout*/0, 3041 /*getcount_only*/0); 3042 } 3043 3044 return (ERESTART); 3045} 3046 3047static int 3048cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3049{ 3050 struct cd_softc *softc; 3051 struct cam_periph *periph; 3052 int error; 3053 3054 periph = xpt_path_periph(ccb->ccb_h.path); 3055 softc = (struct cd_softc *)periph->softc; 3056 3057 error = 0; 3058 3059 /* 3060 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3061 * CDB comes back with this particular error, try transforming it 3062 * into the 10 byte version. 3063 */ 3064 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3065 error = cd6byteworkaround(ccb); 3066 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3067 CAM_SCSI_STATUS_ERROR) 3068 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3069 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3070 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3071 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3072 int sense_key, error_code, asc, ascq; 3073 3074 scsi_extract_sense(&ccb->csio.sense_data, 3075 &error_code, &sense_key, &asc, &ascq); 3076 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3077 error = cd6byteworkaround(ccb); 3078 } 3079 3080 if (error == ERESTART) 3081 return (error); 3082 3083 /* 3084 * XXX 3085 * Until we have a better way of doing pack validation, 3086 * don't treat UAs as errors. 3087 */ 3088 sense_flags |= SF_RETRY_UA; 3089 return (cam_periph_error(ccb, cam_flags, sense_flags, 3090 &softc->saved_ccb)); 3091} 3092 3093/* 3094 * Read table of contents 3095 */ 3096static int 3097cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3098 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3099{ 3100 struct scsi_read_toc *scsi_cmd; 3101 u_int32_t ntoc; 3102 struct ccb_scsiio *csio; 3103 union ccb *ccb; 3104 int error; 3105 3106 ntoc = len; 3107 error = 0; 3108 3109 ccb = cdgetccb(periph, /* priority */ 1); 3110 3111 csio = &ccb->csio; 3112 3113 cam_fill_csio(csio, 3114 /* retries */ 1, 3115 /* cbfcnp */ cddone, 3116 /* flags */ CAM_DIR_IN, 3117 /* tag_action */ MSG_SIMPLE_Q_TAG, 3118 /* data_ptr */ data, 3119 /* dxfer_len */ len, 3120 /* sense_len */ SSD_FULL_SIZE, 3121 sizeof(struct scsi_read_toc), 3122 /* timeout */ 50000); 3123 3124 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3125 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3126 3127 if (mode == CD_MSF_FORMAT) 3128 scsi_cmd->byte2 |= CD_MSF; 3129 scsi_cmd->from_track = start; 3130 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3131 scsi_cmd->data_len[0] = (ntoc) >> 8; 3132 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3133 3134 scsi_cmd->op_code = READ_TOC; 3135 3136 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3137 /*sense_flags*/SF_RETRY_UA | sense_flags); 3138 3139 xpt_release_ccb(ccb); 3140 3141 return(error); 3142} 3143 3144static int 3145cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3146 u_int32_t format, int track, 3147 struct cd_sub_channel_info *data, u_int32_t len) 3148{ 3149 struct scsi_read_subchannel *scsi_cmd; 3150 struct ccb_scsiio *csio; 3151 union ccb *ccb; 3152 int error; 3153 3154 error = 0; 3155 3156 ccb = cdgetccb(periph, /* priority */ 1); 3157 3158 csio = &ccb->csio; 3159 3160 cam_fill_csio(csio, 3161 /* retries */ 1, 3162 /* cbfcnp */ cddone, 3163 /* flags */ CAM_DIR_IN, 3164 /* tag_action */ MSG_SIMPLE_Q_TAG, 3165 /* data_ptr */ (u_int8_t *)data, 3166 /* dxfer_len */ len, 3167 /* sense_len */ SSD_FULL_SIZE, 3168 sizeof(struct scsi_read_subchannel), 3169 /* timeout */ 50000); 3170 3171 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3172 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3173 3174 scsi_cmd->op_code = READ_SUBCHANNEL; 3175 if (mode == CD_MSF_FORMAT) 3176 scsi_cmd->byte1 |= CD_MSF; 3177 scsi_cmd->byte2 = SRS_SUBQ; 3178 scsi_cmd->subchan_format = format; 3179 scsi_cmd->track = track; 3180 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3181 scsi_cmd->control = 0; 3182 3183 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3184 /*sense_flags*/SF_RETRY_UA); 3185 3186 xpt_release_ccb(ccb); 3187 3188 return(error); 3189} 3190 3191 3192/* 3193 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3194 * routine. See comments in cd6byteworkaround() for details. 3195 */ 3196static int 3197cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3198 u_int32_t page) 3199{ 3200 struct ccb_scsiio *csio; 3201 struct cd_softc *softc; 3202 union ccb *ccb; 3203 int param_len; 3204 int error; 3205 3206 softc = (struct cd_softc *)periph->softc; 3207 3208 ccb = cdgetccb(periph, /* priority */ 1); 3209 3210 csio = &ccb->csio; 3211 3212 data->cdb_size = softc->minimum_command_size; 3213 if (data->cdb_size < 10) 3214 param_len = sizeof(struct cd_mode_data); 3215 else 3216 param_len = sizeof(struct cd_mode_data_10); 3217 3218 /* Don't say we've got more room than we actually allocated */ 3219 param_len = min(param_len, data->alloc_len); 3220 3221 scsi_mode_sense_len(csio, 3222 /* retries */ 1, 3223 /* cbfcnp */ cddone, 3224 /* tag_action */ MSG_SIMPLE_Q_TAG, 3225 /* dbd */ 0, 3226 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3227 /* page */ page, 3228 /* param_buf */ data->mode_buf, 3229 /* param_len */ param_len, 3230 /* minimum_cmd_size */ softc->minimum_command_size, 3231 /* sense_len */ SSD_FULL_SIZE, 3232 /* timeout */ 50000); 3233 3234 /* 3235 * It would be nice not to have to do this, but there's no 3236 * available pointer in the CCB that would allow us to stuff the 3237 * mode params structure in there and retrieve it in 3238 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3239 * lets the caller know what CDB size we ended up using, so they 3240 * can find the actual mode page offset. 3241 */ 3242 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3243 3244 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3245 /*sense_flags*/SF_RETRY_UA); 3246 3247 xpt_release_ccb(ccb); 3248 3249 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3250 3251 /* 3252 * This is a bit of belt-and-suspenders checking, but if we run 3253 * into a situation where the target sends back multiple block 3254 * descriptors, we might not have enough space in the buffer to 3255 * see the whole mode page. Better to return an error than 3256 * potentially access memory beyond our malloced region. 3257 */ 3258 if (error == 0) { 3259 u_int32_t data_len; 3260 3261 if (data->cdb_size == 10) { 3262 struct scsi_mode_header_10 *hdr10; 3263 3264 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3265 data_len = scsi_2btoul(hdr10->data_length); 3266 data_len += sizeof(hdr10->data_length); 3267 } else { 3268 struct scsi_mode_header_6 *hdr6; 3269 3270 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3271 data_len = hdr6->data_length; 3272 data_len += sizeof(hdr6->data_length); 3273 } 3274 3275 /* 3276 * Complain if there is more mode data available than we 3277 * allocated space for. This could potentially happen if 3278 * we miscalculated the page length for some reason, if the 3279 * drive returns multiple block descriptors, or if it sets 3280 * the data length incorrectly. 3281 */ 3282 if (data_len > data->alloc_len) { 3283 xpt_print_path(periph->path); 3284 printf("allocated modepage %d length %d < returned " 3285 "length %d\n", page, data->alloc_len, data_len); 3286 3287 error = ENOSPC; 3288 } 3289 } 3290 return (error); 3291} 3292 3293/* 3294 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3295 * routine. See comments in cd6byteworkaround() for details. 3296 */ 3297static int 3298cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3299{ 3300 struct ccb_scsiio *csio; 3301 struct cd_softc *softc; 3302 union ccb *ccb; 3303 int cdb_size, param_len; 3304 int error; 3305 3306 softc = (struct cd_softc *)periph->softc; 3307 3308 ccb = cdgetccb(periph, /* priority */ 1); 3309 3310 csio = &ccb->csio; 3311 3312 error = 0; 3313 3314 /* 3315 * If the data is formatted for the 10 byte version of the mode 3316 * select parameter list, we need to use the 10 byte CDB. 3317 * Otherwise, we use whatever the stored minimum command size. 3318 */ 3319 if (data->cdb_size == 10) 3320 cdb_size = data->cdb_size; 3321 else 3322 cdb_size = softc->minimum_command_size; 3323 3324 if (cdb_size >= 10) { 3325 struct scsi_mode_header_10 *mode_header; 3326 u_int32_t data_len; 3327 3328 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3329 3330 data_len = scsi_2btoul(mode_header->data_length); 3331 3332 scsi_ulto2b(0, mode_header->data_length); 3333 /* 3334 * SONY drives do not allow a mode select with a medium_type 3335 * value that has just been returned by a mode sense; use a 3336 * medium_type of 0 (Default) instead. 3337 */ 3338 mode_header->medium_type = 0; 3339 3340 /* 3341 * Pass back whatever the drive passed to us, plus the size 3342 * of the data length field. 3343 */ 3344 param_len = data_len + sizeof(mode_header->data_length); 3345 3346 } else { 3347 struct scsi_mode_header_6 *mode_header; 3348 3349 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3350 3351 param_len = mode_header->data_length + 1; 3352 3353 mode_header->data_length = 0; 3354 /* 3355 * SONY drives do not allow a mode select with a medium_type 3356 * value that has just been returned by a mode sense; use a 3357 * medium_type of 0 (Default) instead. 3358 */ 3359 mode_header->medium_type = 0; 3360 } 3361 3362 /* Don't say we've got more room than we actually allocated */ 3363 param_len = min(param_len, data->alloc_len); 3364 3365 scsi_mode_select_len(csio, 3366 /* retries */ 1, 3367 /* cbfcnp */ cddone, 3368 /* tag_action */ MSG_SIMPLE_Q_TAG, 3369 /* scsi_page_fmt */ 1, 3370 /* save_pages */ 0, 3371 /* param_buf */ data->mode_buf, 3372 /* param_len */ param_len, 3373 /* minimum_cmd_size */ cdb_size, 3374 /* sense_len */ SSD_FULL_SIZE, 3375 /* timeout */ 50000); 3376 3377 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3378 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3379 3380 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3381 /*sense_flags*/SF_RETRY_UA); 3382 3383 xpt_release_ccb(ccb); 3384 3385 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3386 3387 return (error); 3388} 3389 3390 3391static int 3392cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3393{ 3394 struct ccb_scsiio *csio; 3395 union ccb *ccb; 3396 int error; 3397 u_int8_t cdb_len; 3398 3399 error = 0; 3400 ccb = cdgetccb(periph, /* priority */ 1); 3401 csio = &ccb->csio; 3402 /* 3403 * Use the smallest possible command to perform the operation. 3404 */ 3405 if ((len & 0xffff0000) == 0) { 3406 /* 3407 * We can fit in a 10 byte cdb. 3408 */ 3409 struct scsi_play_10 *scsi_cmd; 3410 3411 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3412 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3413 scsi_cmd->op_code = PLAY_10; 3414 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3415 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3416 cdb_len = sizeof(*scsi_cmd); 3417 } else { 3418 struct scsi_play_12 *scsi_cmd; 3419 3420 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3421 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3422 scsi_cmd->op_code = PLAY_12; 3423 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3424 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3425 cdb_len = sizeof(*scsi_cmd); 3426 } 3427 cam_fill_csio(csio, 3428 /*retries*/2, 3429 cddone, 3430 /*flags*/CAM_DIR_NONE, 3431 MSG_SIMPLE_Q_TAG, 3432 /*dataptr*/NULL, 3433 /*datalen*/0, 3434 /*sense_len*/SSD_FULL_SIZE, 3435 cdb_len, 3436 /*timeout*/50 * 1000); 3437 3438 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3439 /*sense_flags*/SF_RETRY_UA); 3440 3441 xpt_release_ccb(ccb); 3442 3443 return(error); 3444} 3445 3446static int 3447cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3448 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3449{ 3450 struct scsi_play_msf *scsi_cmd; 3451 struct ccb_scsiio *csio; 3452 union ccb *ccb; 3453 int error; 3454 3455 error = 0; 3456 3457 ccb = cdgetccb(periph, /* priority */ 1); 3458 3459 csio = &ccb->csio; 3460 3461 cam_fill_csio(csio, 3462 /* retries */ 1, 3463 /* cbfcnp */ cddone, 3464 /* flags */ CAM_DIR_NONE, 3465 /* tag_action */ MSG_SIMPLE_Q_TAG, 3466 /* data_ptr */ NULL, 3467 /* dxfer_len */ 0, 3468 /* sense_len */ SSD_FULL_SIZE, 3469 sizeof(struct scsi_play_msf), 3470 /* timeout */ 50000); 3471 3472 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3473 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3474 3475 scsi_cmd->op_code = PLAY_MSF; 3476 scsi_cmd->start_m = startm; 3477 scsi_cmd->start_s = starts; 3478 scsi_cmd->start_f = startf; 3479 scsi_cmd->end_m = endm; 3480 scsi_cmd->end_s = ends; 3481 scsi_cmd->end_f = endf; 3482 3483 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3484 /*sense_flags*/SF_RETRY_UA); 3485 3486 xpt_release_ccb(ccb); 3487 3488 return(error); 3489} 3490 3491 3492static int 3493cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3494 u_int32_t etrack, u_int32_t eindex) 3495{ 3496 struct scsi_play_track *scsi_cmd; 3497 struct ccb_scsiio *csio; 3498 union ccb *ccb; 3499 int error; 3500 3501 error = 0; 3502 3503 ccb = cdgetccb(periph, /* priority */ 1); 3504 3505 csio = &ccb->csio; 3506 3507 cam_fill_csio(csio, 3508 /* retries */ 1, 3509 /* cbfcnp */ cddone, 3510 /* flags */ CAM_DIR_NONE, 3511 /* tag_action */ MSG_SIMPLE_Q_TAG, 3512 /* data_ptr */ NULL, 3513 /* dxfer_len */ 0, 3514 /* sense_len */ SSD_FULL_SIZE, 3515 sizeof(struct scsi_play_track), 3516 /* timeout */ 50000); 3517 3518 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3519 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3520 3521 scsi_cmd->op_code = PLAY_TRACK; 3522 scsi_cmd->start_track = strack; 3523 scsi_cmd->start_index = sindex; 3524 scsi_cmd->end_track = etrack; 3525 scsi_cmd->end_index = eindex; 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 3535static int 3536cdpause(struct cam_periph *periph, u_int32_t go) 3537{ 3538 struct scsi_pause *scsi_cmd; 3539 struct ccb_scsiio *csio; 3540 union ccb *ccb; 3541 int error; 3542 3543 error = 0; 3544 3545 ccb = cdgetccb(periph, /* priority */ 1); 3546 3547 csio = &ccb->csio; 3548 3549 cam_fill_csio(csio, 3550 /* retries */ 1, 3551 /* cbfcnp */ cddone, 3552 /* flags */ CAM_DIR_NONE, 3553 /* tag_action */ MSG_SIMPLE_Q_TAG, 3554 /* data_ptr */ NULL, 3555 /* dxfer_len */ 0, 3556 /* sense_len */ SSD_FULL_SIZE, 3557 sizeof(struct scsi_pause), 3558 /* timeout */ 50000); 3559 3560 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3561 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3562 3563 scsi_cmd->op_code = PAUSE; 3564 scsi_cmd->resume = go; 3565 3566 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3567 /*sense_flags*/SF_RETRY_UA); 3568 3569 xpt_release_ccb(ccb); 3570 3571 return(error); 3572} 3573 3574static int 3575cdstartunit(struct cam_periph *periph, int load) 3576{ 3577 union ccb *ccb; 3578 int error; 3579 3580 error = 0; 3581 3582 ccb = cdgetccb(periph, /* priority */ 1); 3583 3584 scsi_start_stop(&ccb->csio, 3585 /* retries */ 1, 3586 /* cbfcnp */ cddone, 3587 /* tag_action */ MSG_SIMPLE_Q_TAG, 3588 /* start */ TRUE, 3589 /* load_eject */ load, 3590 /* immediate */ FALSE, 3591 /* sense_len */ SSD_FULL_SIZE, 3592 /* timeout */ 50000); 3593 3594 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3595 /*sense_flags*/SF_RETRY_UA); 3596 3597 xpt_release_ccb(ccb); 3598 3599 return(error); 3600} 3601 3602static int 3603cdstopunit(struct cam_periph *periph, u_int32_t eject) 3604{ 3605 union ccb *ccb; 3606 int error; 3607 3608 error = 0; 3609 3610 ccb = cdgetccb(periph, /* priority */ 1); 3611 3612 scsi_start_stop(&ccb->csio, 3613 /* retries */ 1, 3614 /* cbfcnp */ cddone, 3615 /* tag_action */ MSG_SIMPLE_Q_TAG, 3616 /* start */ FALSE, 3617 /* load_eject */ eject, 3618 /* immediate */ FALSE, 3619 /* sense_len */ SSD_FULL_SIZE, 3620 /* timeout */ 50000); 3621 3622 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3623 /*sense_flags*/SF_RETRY_UA); 3624 3625 xpt_release_ccb(ccb); 3626 3627 return(error); 3628} 3629 3630static int 3631cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3632{ 3633 struct scsi_set_speed *scsi_cmd; 3634 struct ccb_scsiio *csio; 3635 union ccb *ccb; 3636 int error; 3637 3638 error = 0; 3639 ccb = cdgetccb(periph, /* priority */ 1); 3640 csio = &ccb->csio; 3641 3642 /* Preserve old behavior: units in multiples of CDROM speed */ 3643 if (rdspeed < 177) 3644 rdspeed *= 177; 3645 if (wrspeed < 177) 3646 wrspeed *= 177; 3647 3648 cam_fill_csio(csio, 3649 /* retries */ 1, 3650 /* cbfcnp */ cddone, 3651 /* flags */ CAM_DIR_NONE, 3652 /* tag_action */ MSG_SIMPLE_Q_TAG, 3653 /* data_ptr */ NULL, 3654 /* dxfer_len */ 0, 3655 /* sense_len */ SSD_FULL_SIZE, 3656 sizeof(struct scsi_set_speed), 3657 /* timeout */ 50000); 3658 3659 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3660 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3661 3662 scsi_cmd->opcode = SET_CD_SPEED; 3663 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3664 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 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 3675cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3676{ 3677 union ccb *ccb; 3678 u_int8_t *databuf; 3679 u_int32_t lba; 3680 int error; 3681 int length; 3682 3683 error = 0; 3684 databuf = NULL; 3685 lba = 0; 3686 3687 ccb = cdgetccb(periph, /* priority */ 1); 3688 3689 switch (authinfo->format) { 3690 case DVD_REPORT_AGID: 3691 length = sizeof(struct scsi_report_key_data_agid); 3692 break; 3693 case DVD_REPORT_CHALLENGE: 3694 length = sizeof(struct scsi_report_key_data_challenge); 3695 break; 3696 case DVD_REPORT_KEY1: 3697 length = sizeof(struct scsi_report_key_data_key1_key2); 3698 break; 3699 case DVD_REPORT_TITLE_KEY: 3700 length = sizeof(struct scsi_report_key_data_title); 3701 /* The lba field is only set for the title key */ 3702 lba = authinfo->lba; 3703 break; 3704 case DVD_REPORT_ASF: 3705 length = sizeof(struct scsi_report_key_data_asf); 3706 break; 3707 case DVD_REPORT_RPC: 3708 length = sizeof(struct scsi_report_key_data_rpc); 3709 break; 3710 case DVD_INVALIDATE_AGID: 3711 length = 0; 3712 break; 3713 default: 3714 error = EINVAL; 3715 goto bailout; 3716 break; /* NOTREACHED */ 3717 } 3718 3719 if (length != 0) { 3720 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3721 } else 3722 databuf = NULL; 3723 3724 3725 scsi_report_key(&ccb->csio, 3726 /* retries */ 1, 3727 /* cbfcnp */ cddone, 3728 /* tag_action */ MSG_SIMPLE_Q_TAG, 3729 /* lba */ lba, 3730 /* agid */ authinfo->agid, 3731 /* key_format */ authinfo->format, 3732 /* data_ptr */ databuf, 3733 /* dxfer_len */ length, 3734 /* sense_len */ SSD_FULL_SIZE, 3735 /* timeout */ 50000); 3736 3737 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3738 /*sense_flags*/SF_RETRY_UA); 3739 3740 if (error != 0) 3741 goto bailout; 3742 3743 if (ccb->csio.resid != 0) { 3744 xpt_print_path(periph->path); 3745 printf("warning, residual for report key command is %d\n", 3746 ccb->csio.resid); 3747 } 3748 3749 switch(authinfo->format) { 3750 case DVD_REPORT_AGID: { 3751 struct scsi_report_key_data_agid *agid_data; 3752 3753 agid_data = (struct scsi_report_key_data_agid *)databuf; 3754 3755 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3756 RKD_AGID_SHIFT; 3757 break; 3758 } 3759 case DVD_REPORT_CHALLENGE: { 3760 struct scsi_report_key_data_challenge *chal_data; 3761 3762 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3763 3764 bcopy(chal_data->challenge_key, authinfo->keychal, 3765 min(sizeof(chal_data->challenge_key), 3766 sizeof(authinfo->keychal))); 3767 break; 3768 } 3769 case DVD_REPORT_KEY1: { 3770 struct scsi_report_key_data_key1_key2 *key1_data; 3771 3772 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3773 3774 bcopy(key1_data->key1, authinfo->keychal, 3775 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3776 break; 3777 } 3778 case DVD_REPORT_TITLE_KEY: { 3779 struct scsi_report_key_data_title *title_data; 3780 3781 title_data = (struct scsi_report_key_data_title *)databuf; 3782 3783 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3784 RKD_TITLE_CPM_SHIFT; 3785 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3786 RKD_TITLE_CP_SEC_SHIFT; 3787 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3788 RKD_TITLE_CMGS_SHIFT; 3789 bcopy(title_data->title_key, authinfo->keychal, 3790 min(sizeof(title_data->title_key), 3791 sizeof(authinfo->keychal))); 3792 break; 3793 } 3794 case DVD_REPORT_ASF: { 3795 struct scsi_report_key_data_asf *asf_data; 3796 3797 asf_data = (struct scsi_report_key_data_asf *)databuf; 3798 3799 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3800 break; 3801 } 3802 case DVD_REPORT_RPC: { 3803 struct scsi_report_key_data_rpc *rpc_data; 3804 3805 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3806 3807 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3808 RKD_RPC_TYPE_SHIFT; 3809 authinfo->vend_rsts = 3810 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3811 RKD_RPC_VENDOR_RESET_SHIFT; 3812 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3813 authinfo->region = rpc_data->region_mask; 3814 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3815 break; 3816 } 3817 case DVD_INVALIDATE_AGID: 3818 break; 3819 default: 3820 /* This should be impossible, since we checked above */ 3821 error = EINVAL; 3822 goto bailout; 3823 break; /* NOTREACHED */ 3824 } 3825bailout: 3826 if (databuf != NULL) 3827 free(databuf, M_DEVBUF); 3828 3829 xpt_release_ccb(ccb); 3830 3831 return(error); 3832} 3833 3834static int 3835cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3836{ 3837 union ccb *ccb; 3838 u_int8_t *databuf; 3839 int length; 3840 int error; 3841 3842 error = 0; 3843 databuf = NULL; 3844 3845 ccb = cdgetccb(periph, /* priority */ 1); 3846 3847 switch(authinfo->format) { 3848 case DVD_SEND_CHALLENGE: { 3849 struct scsi_report_key_data_challenge *challenge_data; 3850 3851 length = sizeof(*challenge_data); 3852 3853 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3854 3855 databuf = (u_int8_t *)challenge_data; 3856 3857 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3858 challenge_data->data_len); 3859 3860 bcopy(authinfo->keychal, challenge_data->challenge_key, 3861 min(sizeof(authinfo->keychal), 3862 sizeof(challenge_data->challenge_key))); 3863 break; 3864 } 3865 case DVD_SEND_KEY2: { 3866 struct scsi_report_key_data_key1_key2 *key2_data; 3867 3868 length = sizeof(*key2_data); 3869 3870 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3871 3872 databuf = (u_int8_t *)key2_data; 3873 3874 scsi_ulto2b(length - sizeof(key2_data->data_len), 3875 key2_data->data_len); 3876 3877 bcopy(authinfo->keychal, key2_data->key1, 3878 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3879 3880 break; 3881 } 3882 case DVD_SEND_RPC: { 3883 struct scsi_send_key_data_rpc *rpc_data; 3884 3885 length = sizeof(*rpc_data); 3886 3887 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3888 3889 databuf = (u_int8_t *)rpc_data; 3890 3891 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3892 rpc_data->data_len); 3893 3894 rpc_data->region_code = authinfo->region; 3895 break; 3896 } 3897 default: 3898 error = EINVAL; 3899 goto bailout; 3900 break; /* NOTREACHED */ 3901 } 3902 3903 scsi_send_key(&ccb->csio, 3904 /* retries */ 1, 3905 /* cbfcnp */ cddone, 3906 /* tag_action */ MSG_SIMPLE_Q_TAG, 3907 /* agid */ authinfo->agid, 3908 /* key_format */ authinfo->format, 3909 /* data_ptr */ databuf, 3910 /* dxfer_len */ length, 3911 /* sense_len */ SSD_FULL_SIZE, 3912 /* timeout */ 50000); 3913 3914 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3915 /*sense_flags*/SF_RETRY_UA); 3916 3917bailout: 3918 3919 if (databuf != NULL) 3920 free(databuf, M_DEVBUF); 3921 3922 xpt_release_ccb(ccb); 3923 3924 return(error); 3925} 3926 3927static int 3928cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3929{ 3930 union ccb *ccb; 3931 u_int8_t *databuf; 3932 u_int32_t address; 3933 int error; 3934 int length; 3935 3936 error = 0; 3937 databuf = NULL; 3938 /* The address is reserved for many of the formats */ 3939 address = 0; 3940 3941 ccb = cdgetccb(periph, /* priority */ 1); 3942 3943 switch(dvdstruct->format) { 3944 case DVD_STRUCT_PHYSICAL: 3945 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3946 break; 3947 case DVD_STRUCT_COPYRIGHT: 3948 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3949 break; 3950 case DVD_STRUCT_DISCKEY: 3951 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3952 break; 3953 case DVD_STRUCT_BCA: 3954 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3955 break; 3956 case DVD_STRUCT_MANUFACT: 3957 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3958 break; 3959 case DVD_STRUCT_CMI: 3960 error = ENODEV; 3961 goto bailout; 3962#ifdef notyet 3963 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3964 address = dvdstruct->address; 3965#endif 3966 break; /* NOTREACHED */ 3967 case DVD_STRUCT_PROTDISCID: 3968 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3969 break; 3970 case DVD_STRUCT_DISCKEYBLOCK: 3971 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3972 break; 3973 case DVD_STRUCT_DDS: 3974 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3975 break; 3976 case DVD_STRUCT_MEDIUM_STAT: 3977 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3978 break; 3979 case DVD_STRUCT_SPARE_AREA: 3980 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3981 break; 3982 case DVD_STRUCT_RMD_LAST: 3983 error = ENODEV; 3984 goto bailout; 3985#ifdef notyet 3986 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3987 address = dvdstruct->address; 3988#endif 3989 break; /* NOTREACHED */ 3990 case DVD_STRUCT_RMD_RMA: 3991 error = ENODEV; 3992 goto bailout; 3993#ifdef notyet 3994 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3995 address = dvdstruct->address; 3996#endif 3997 break; /* NOTREACHED */ 3998 case DVD_STRUCT_PRERECORDED: 3999 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4000 break; 4001 case DVD_STRUCT_UNIQUEID: 4002 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4003 break; 4004 case DVD_STRUCT_DCB: 4005 error = ENODEV; 4006 goto bailout; 4007#ifdef notyet 4008 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4009 address = dvdstruct->address; 4010#endif 4011 break; /* NOTREACHED */ 4012 case DVD_STRUCT_LIST: 4013 /* 4014 * This is the maximum allocation length for the READ DVD 4015 * STRUCTURE command. There's nothing in the MMC3 spec 4016 * that indicates a limit in the amount of data that can 4017 * be returned from this call, other than the limits 4018 * imposed by the 2-byte length variables. 4019 */ 4020 length = 65535; 4021 break; 4022 default: 4023 error = EINVAL; 4024 goto bailout; 4025 break; /* NOTREACHED */ 4026 } 4027 4028 if (length != 0) { 4029 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4030 } else 4031 databuf = NULL; 4032 4033 scsi_read_dvd_structure(&ccb->csio, 4034 /* retries */ 1, 4035 /* cbfcnp */ cddone, 4036 /* tag_action */ MSG_SIMPLE_Q_TAG, 4037 /* lba */ address, 4038 /* layer_number */ dvdstruct->layer_num, 4039 /* key_format */ dvdstruct->format, 4040 /* agid */ dvdstruct->agid, 4041 /* data_ptr */ databuf, 4042 /* dxfer_len */ length, 4043 /* sense_len */ SSD_FULL_SIZE, 4044 /* timeout */ 50000); 4045 4046 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4047 /*sense_flags*/SF_RETRY_UA); 4048 4049 if (error != 0) 4050 goto bailout; 4051 4052 switch(dvdstruct->format) { 4053 case DVD_STRUCT_PHYSICAL: { 4054 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4055 struct dvd_layer *outlayer; 4056 struct scsi_read_dvd_struct_data_physical *phys_data; 4057 4058 phys_data = 4059 (struct scsi_read_dvd_struct_data_physical *)databuf; 4060 inlayer = &phys_data->layer_desc; 4061 outlayer = (struct dvd_layer *)&dvdstruct->data; 4062 4063 dvdstruct->length = sizeof(*inlayer); 4064 4065 outlayer->book_type = (inlayer->book_type_version & 4066 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4067 outlayer->book_version = (inlayer->book_type_version & 4068 RDSD_BOOK_VERSION_MASK); 4069 outlayer->disc_size = (inlayer->disc_size_max_rate & 4070 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4071 outlayer->max_rate = (inlayer->disc_size_max_rate & 4072 RDSD_MAX_RATE_MASK); 4073 outlayer->nlayers = (inlayer->layer_info & 4074 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4075 outlayer->track_path = (inlayer->layer_info & 4076 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4077 outlayer->layer_type = (inlayer->layer_info & 4078 RDSD_LAYER_TYPE_MASK); 4079 outlayer->linear_density = (inlayer->density & 4080 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4081 outlayer->track_density = (inlayer->density & 4082 RDSD_TRACK_DENSITY_MASK); 4083 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4084 RDSD_BCA_SHIFT; 4085 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4086 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4087 outlayer->end_sector_l0 = 4088 scsi_3btoul(inlayer->end_sector_layer0); 4089 break; 4090 } 4091 case DVD_STRUCT_COPYRIGHT: { 4092 struct scsi_read_dvd_struct_data_copyright *copy_data; 4093 4094 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4095 databuf; 4096 4097 dvdstruct->cpst = copy_data->cps_type; 4098 dvdstruct->rmi = copy_data->region_info; 4099 dvdstruct->length = 0; 4100 4101 break; 4102 } 4103 default: 4104 /* 4105 * Tell the user what the overall length is, no matter 4106 * what we can actually fit in the data buffer. 4107 */ 4108 dvdstruct->length = length - ccb->csio.resid - 4109 sizeof(struct scsi_read_dvd_struct_data_header); 4110 4111 /* 4112 * But only actually copy out the smaller of what we read 4113 * in or what the structure can take. 4114 */ 4115 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4116 dvdstruct->data, 4117 min(sizeof(dvdstruct->data), dvdstruct->length)); 4118 break; 4119 } 4120bailout: 4121 4122 if (databuf != NULL) 4123 free(databuf, M_DEVBUF); 4124 4125 xpt_release_ccb(ccb); 4126 4127 return(error); 4128} 4129 4130void 4131scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4132 void (*cbfcnp)(struct cam_periph *, union ccb *), 4133 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4134 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4135 u_int8_t sense_len, u_int32_t timeout) 4136{ 4137 struct scsi_report_key *scsi_cmd; 4138 4139 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4140 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4141 scsi_cmd->opcode = REPORT_KEY; 4142 scsi_ulto4b(lba, scsi_cmd->lba); 4143 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4144 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4145 (key_format & RK_KF_KEYFORMAT_MASK); 4146 4147 cam_fill_csio(csio, 4148 retries, 4149 cbfcnp, 4150 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4151 tag_action, 4152 /*data_ptr*/ data_ptr, 4153 /*dxfer_len*/ dxfer_len, 4154 sense_len, 4155 sizeof(*scsi_cmd), 4156 timeout); 4157} 4158 4159void 4160scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4161 void (*cbfcnp)(struct cam_periph *, union ccb *), 4162 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4163 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4164 u_int32_t timeout) 4165{ 4166 struct scsi_send_key *scsi_cmd; 4167 4168 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4169 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4170 scsi_cmd->opcode = SEND_KEY; 4171 4172 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4173 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4174 (key_format & RK_KF_KEYFORMAT_MASK); 4175 4176 cam_fill_csio(csio, 4177 retries, 4178 cbfcnp, 4179 /*flags*/ CAM_DIR_OUT, 4180 tag_action, 4181 /*data_ptr*/ data_ptr, 4182 /*dxfer_len*/ dxfer_len, 4183 sense_len, 4184 sizeof(*scsi_cmd), 4185 timeout); 4186} 4187 4188 4189void 4190scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4191 void (*cbfcnp)(struct cam_periph *, union ccb *), 4192 u_int8_t tag_action, u_int32_t address, 4193 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4194 u_int8_t *data_ptr, u_int32_t dxfer_len, 4195 u_int8_t sense_len, u_int32_t timeout) 4196{ 4197 struct scsi_read_dvd_structure *scsi_cmd; 4198 4199 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4200 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4201 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4202 4203 scsi_ulto4b(address, scsi_cmd->address); 4204 scsi_cmd->layer_number = layer_number; 4205 scsi_cmd->format = format; 4206 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4207 /* The AGID is the top two bits of this byte */ 4208 scsi_cmd->agid = agid << 6; 4209 4210 cam_fill_csio(csio, 4211 retries, 4212 cbfcnp, 4213 /*flags*/ CAM_DIR_IN, 4214 tag_action, 4215 /*data_ptr*/ data_ptr, 4216 /*dxfer_len*/ dxfer_len, 4217 sense_len, 4218 sizeof(*scsi_cmd), 4219 timeout); 4220} 4221