scsi_cd.c revision 186371
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 186371 2008-12-21 06:20:11Z scottl $"); 50 51#include "opt_cd.h" 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> 56#include <sys/bio.h> 57#include <sys/conf.h> 58#include <sys/disk.h> 59#include <sys/malloc.h> 60#include <sys/cdio.h> 61#include <sys/cdrio.h> 62#include <sys/dvdio.h> 63#include <sys/devicestat.h> 64#include <sys/sysctl.h> 65#include <sys/taskqueue.h> 66#include <geom/geom_disk.h> 67 68#include <cam/cam.h> 69#include <cam/cam_ccb.h> 70#include <cam/cam_periph.h> 71#include <cam/cam_xpt_periph.h> 72#include <cam/cam_queue.h> 73#include <cam/cam_sim.h> 74 75#include <cam/scsi/scsi_message.h> 76#include <cam/scsi/scsi_da.h> 77#include <cam/scsi/scsi_cd.h> 78 79#define LEADOUT 0xaa /* leadout toc entry */ 80 81struct cd_params { 82 u_int32_t blksize; 83 u_long disksize; 84}; 85 86typedef enum { 87 CD_Q_NONE = 0x00, 88 CD_Q_NO_TOUCH = 0x01, 89 CD_Q_BCD_TRACKS = 0x02, 90 CD_Q_NO_CHANGER = 0x04, 91 CD_Q_CHANGER = 0x08, 92 CD_Q_10_BYTE_ONLY = 0x10 93} cd_quirks; 94 95typedef enum { 96 CD_FLAG_INVALID = 0x0001, 97 CD_FLAG_NEW_DISC = 0x0002, 98 CD_FLAG_DISC_LOCKED = 0x0004, 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_TAGGED_QUEUING = 0x0010, 101 CD_FLAG_CHANGER = 0x0040, 102 CD_FLAG_ACTIVE = 0x0080, 103 CD_FLAG_SCHED_ON_COMP = 0x0100, 104 CD_FLAG_RETRY_UA = 0x0200, 105 CD_FLAG_VALID_MEDIA = 0x0400, 106 CD_FLAG_VALID_TOC = 0x0800, 107 CD_FLAG_SCTX_INIT = 0x1000, 108 CD_FLAG_OPEN = 0x2000 109} cd_flags; 110 111typedef enum { 112 CD_CCB_PROBE = 0x01, 113 CD_CCB_BUFFER_IO = 0x02, 114 CD_CCB_WAITING = 0x03, 115 CD_CCB_TYPE_MASK = 0x0F, 116 CD_CCB_RETRY_UA = 0x10 117} cd_ccb_state; 118 119typedef enum { 120 CHANGER_TIMEOUT_SCHED = 0x01, 121 CHANGER_SHORT_TMOUT_SCHED = 0x02, 122 CHANGER_MANUAL_CALL = 0x04, 123 CHANGER_NEED_TIMEOUT = 0x08 124} cd_changer_flags; 125 126#define ccb_state ppriv_field0 127#define ccb_bp ppriv_ptr1 128 129struct cd_tocdata { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entries[100]; 132}; 133 134struct cd_toc_single { 135 struct ioc_toc_header header; 136 struct cd_toc_entry entry; 137}; 138 139typedef enum { 140 CD_STATE_PROBE, 141 CD_STATE_NORMAL 142} cd_state; 143 144struct cd_softc { 145 cam_pinfo pinfo; 146 cd_state state; 147 volatile cd_flags flags; 148 struct bio_queue_head bio_queue; 149 LIST_HEAD(, ccb_hdr) pending_ccbs; 150 struct cd_params params; 151 union ccb saved_ccb; 152 cd_quirks quirks; 153 STAILQ_ENTRY(cd_softc) changer_links; 154 struct cdchanger *changer; 155 int bufs_left; 156 struct cam_periph *periph; 157 int minimum_command_size; 158 int outstanding_cmds; 159 struct task sysctl_task; 160 struct sysctl_ctx_list sysctl_ctx; 161 struct sysctl_oid *sysctl_tree; 162 STAILQ_HEAD(, cd_mode_params) mode_queue; 163 struct cd_tocdata toc; 164 struct disk *disk; 165}; 166 167struct cd_page_sizes { 168 int page; 169 int page_size; 170}; 171 172static struct cd_page_sizes cd_page_size_table[] = 173{ 174 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 175}; 176 177struct cd_quirk_entry { 178 struct scsi_inquiry_pattern inq_pat; 179 cd_quirks quirks; 180}; 181 182/* 183 * The changer quirk entries aren't strictly necessary. Basically, what 184 * they do is tell cdregister() up front that a device is a changer. 185 * Otherwise, it will figure that fact out once it sees a LUN on the device 186 * that is greater than 0. If it is known up front that a device is a changer, 187 * all I/O to the device will go through the changer scheduling routines, as 188 * opposed to the "normal" CD code. 189 * 190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 191 * your device hangs when it gets a 10 byte command. Adding a quirk just 192 * to get rid of the informative diagnostic message is not acceptable. All 193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 194 * referenced in a comment along with the quirk) , and must be approved by 195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 196 * be removed until the submitter can explain why they are needed. 197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 198 * when the CAM_NEW_TRAN_CODE work is done. 199 */ 200static struct cd_quirk_entry cd_quirk_table[] = 201{ 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 204 /*quirks*/ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 208 "*"}, /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 212 /* quirks */ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 216 /* quirks */ CD_Q_BCD_TRACKS 217 } 218}; 219 220static disk_open_t cdopen; 221static disk_close_t cdclose; 222static disk_ioctl_t cdioctl; 223static disk_strategy_t cdstrategy; 224 225static periph_init_t cdinit; 226static periph_ctor_t cdregister; 227static periph_dtor_t cdcleanup; 228static periph_start_t cdstart; 229static periph_oninv_t cdoninvalidate; 230static void cdasync(void *callback_arg, u_int32_t code, 231 struct cam_path *path, void *arg); 232static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 233static void cdshorttimeout(void *arg); 234static void cdschedule(struct cam_periph *periph, int priority); 235static void cdrunchangerqueue(void *arg); 236static void cdchangerschedule(struct cd_softc *softc); 237static int cdrunccb(union ccb *ccb, 238 int (*error_routine)(union ccb *ccb, 239 u_int32_t cam_flags, 240 u_int32_t sense_flags), 241 u_int32_t cam_flags, u_int32_t sense_flags); 242static union ccb *cdgetccb(struct cam_periph *periph, 243 u_int32_t priority); 244static void cddone(struct cam_periph *periph, 245 union ccb *start_ccb); 246static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 247static int cdgetpagesize(int page_num); 248static void cdprevent(struct cam_periph *periph, int action); 249static int cdcheckmedia(struct cam_periph *periph); 250static int cdsize(struct cam_periph *periph, u_int32_t *size); 251static int cd6byteworkaround(union ccb *ccb); 252static int cderror(union ccb *ccb, u_int32_t cam_flags, 253 u_int32_t sense_flags); 254static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 255 u_int32_t start, u_int8_t *data, 256 u_int32_t len, u_int32_t sense_flags); 257static int cdgetmode(struct cam_periph *periph, 258 struct cd_mode_params *data, u_int32_t page); 259static int cdsetmode(struct cam_periph *periph, 260 struct cd_mode_params *data); 261static int cdplay(struct cam_periph *periph, u_int32_t blk, 262 u_int32_t len); 263static int cdreadsubchannel(struct cam_periph *periph, 264 u_int32_t mode, u_int32_t format, 265 int track, 266 struct cd_sub_channel_info *data, 267 u_int32_t len); 268static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 269 u_int32_t starts, u_int32_t startf, 270 u_int32_t endm, u_int32_t ends, 271 u_int32_t endf); 272static int cdplaytracks(struct cam_periph *periph, 273 u_int32_t strack, u_int32_t sindex, 274 u_int32_t etrack, u_int32_t eindex); 275static int cdpause(struct cam_periph *periph, u_int32_t go); 276static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 277static int cdstartunit(struct cam_periph *periph, int load); 278static int cdsetspeed(struct cam_periph *periph, 279 u_int32_t rdspeed, u_int32_t wrspeed); 280static int cdreportkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282static int cdsendkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284static int cdreaddvdstructure(struct cam_periph *periph, 285 struct dvd_struct *dvdstruct); 286 287static struct periph_driver cddriver = 288{ 289 cdinit, "cd", 290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 291}; 292 293PERIPHDRIVER_DECLARE(cd, cddriver); 294 295#ifndef CHANGER_MIN_BUSY_SECONDS 296#define CHANGER_MIN_BUSY_SECONDS 5 297#endif 298#ifndef CHANGER_MAX_BUSY_SECONDS 299#define CHANGER_MAX_BUSY_SECONDS 15 300#endif 301 302static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 303static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 304 305SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 306SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 307SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 308 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 309TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 310SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 311 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 312TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 313 314struct cdchanger { 315 path_id_t path_id; 316 target_id_t target_id; 317 int num_devices; 318 struct camq devq; 319 struct timeval start_time; 320 struct cd_softc *cur_device; 321 struct callout short_handle; 322 struct callout long_handle; 323 volatile cd_changer_flags flags; 324 STAILQ_ENTRY(cdchanger) changer_links; 325 STAILQ_HEAD(chdevlist, cd_softc) chluns; 326}; 327 328static struct mtx changerq_mtx; 329static STAILQ_HEAD(changerlist, cdchanger) changerq; 330static int num_changers; 331 332MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 333 334static void 335cdinit(void) 336{ 337 cam_status status; 338 339 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 340 STAILQ_INIT(&changerq); 341 342 /* 343 * Install a global async callback. This callback will 344 * receive async callbacks like "new device found". 345 */ 346 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 347 348 if (status != CAM_REQ_CMP) { 349 printf("cd: Failed to attach master async callback " 350 "due to status 0x%x!\n", status); 351 } 352} 353 354static void 355cdoninvalidate(struct cam_periph *periph) 356{ 357 struct cd_softc *softc; 358 359 softc = (struct cd_softc *)periph->softc; 360 361 /* 362 * De-register any async callbacks. 363 */ 364 xpt_register_async(0, cdasync, periph, periph->path); 365 366 softc->flags |= CD_FLAG_INVALID; 367 368 /* 369 * Return all queued I/O with ENXIO. 370 * XXX Handle any transactions queued to the card 371 * with XPT_ABORT_CCB. 372 */ 373 bioq_flush(&softc->bio_queue, NULL, ENXIO); 374 375 /* 376 * If this device is part of a changer, and it was scheduled 377 * to run, remove it from the run queue since we just nuked 378 * all of its scheduled I/O. 379 */ 380 if ((softc->flags & CD_FLAG_CHANGER) 381 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 382 camq_remove(&softc->changer->devq, softc->pinfo.index); 383 384 disk_gone(softc->disk); 385 xpt_print(periph->path, "lost device\n"); 386} 387 388static void 389cdcleanup(struct cam_periph *periph) 390{ 391 struct cd_softc *softc; 392 393 softc = (struct cd_softc *)periph->softc; 394 395 xpt_print(periph->path, "removing device entry\n"); 396 397 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 398 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 399 xpt_print(periph->path, "can't remove sysctl context\n"); 400 } 401 402 /* 403 * In the queued, non-active case, the device in question 404 * has already been removed from the changer run queue. Since this 405 * device is active, we need to de-activate it, and schedule 406 * another device to run. (if there is another one to run) 407 */ 408 if ((softc->flags & CD_FLAG_CHANGER) 409 && (softc->flags & CD_FLAG_ACTIVE)) { 410 411 /* 412 * The purpose of the short timeout is soley to determine 413 * whether the current device has finished or not. Well, 414 * since we're removing the active device, we know that it 415 * is finished. So, get rid of the short timeout. 416 * Otherwise, if we're in the time period before the short 417 * timeout fires, and there are no other devices in the 418 * queue to run, there won't be any other device put in the 419 * active slot. i.e., when we call cdrunchangerqueue() 420 * below, it won't do anything. Then, when the short 421 * timeout fires, it'll look at the "current device", which 422 * we are free below, and possibly panic the kernel on a 423 * bogus pointer reference. 424 * 425 * The long timeout doesn't really matter, since we 426 * decrement the qfrozen_cnt to indicate that there is 427 * nothing in the active slot now. Therefore, there won't 428 * be any bogus pointer references there. 429 */ 430 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 431 callout_stop(&softc->changer->short_handle); 432 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 433 } 434 softc->changer->devq.qfrozen_cnt--; 435 softc->changer->flags |= CHANGER_MANUAL_CALL; 436 cdrunchangerqueue(softc->changer); 437 } 438 439 /* 440 * If we're removing the last device on the changer, go ahead and 441 * remove the changer device structure. 442 */ 443 if ((softc->flags & CD_FLAG_CHANGER) 444 && (--softc->changer->num_devices == 0)) { 445 446 /* 447 * Theoretically, there shouldn't be any timeouts left, but 448 * I'm not completely sure that that will be the case. So, 449 * it won't hurt to check and see if there are any left. 450 */ 451 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 452 callout_stop(&softc->changer->long_handle); 453 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 454 } 455 456 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 457 callout_stop(&softc->changer->short_handle); 458 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 459 } 460 461 mtx_lock(&changerq_mtx); 462 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 463 changer_links); 464 num_changers--; 465 mtx_unlock(&changerq_mtx); 466 xpt_print(periph->path, "removing changer entry\n"); 467 free(softc->changer, M_DEVBUF); 468 } 469 cam_periph_unlock(periph); 470 disk_destroy(softc->disk); 471 cam_periph_lock(periph); 472 free(softc, M_DEVBUF); 473} 474 475static void 476cdasync(void *callback_arg, u_int32_t code, 477 struct cam_path *path, void *arg) 478{ 479 struct cam_periph *periph; 480 481 periph = (struct cam_periph *)callback_arg; 482 switch (code) { 483 case AC_FOUND_DEVICE: 484 { 485 struct ccb_getdev *cgd; 486 cam_status status; 487 488 cgd = (struct ccb_getdev *)arg; 489 if (cgd == NULL) 490 break; 491 492 if (SID_TYPE(&cgd->inq_data) != T_CDROM 493 && SID_TYPE(&cgd->inq_data) != T_WORM) 494 break; 495 496 /* 497 * Allocate a peripheral instance for 498 * this device and start the probe 499 * process. 500 */ 501 status = cam_periph_alloc(cdregister, cdoninvalidate, 502 cdcleanup, cdstart, 503 "cd", CAM_PERIPH_BIO, 504 cgd->ccb_h.path, cdasync, 505 AC_FOUND_DEVICE, cgd); 506 507 if (status != CAM_REQ_CMP 508 && status != CAM_REQ_INPROG) 509 printf("cdasync: Unable to attach new device " 510 "due to status 0x%x\n", status); 511 512 break; 513 } 514 case AC_SENT_BDR: 515 case AC_BUS_RESET: 516 { 517 struct cd_softc *softc; 518 struct ccb_hdr *ccbh; 519 520 softc = (struct cd_softc *)periph->softc; 521 /* 522 * Don't fail on the expected unit attention 523 * that will occur. 524 */ 525 softc->flags |= CD_FLAG_RETRY_UA; 526 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 527 ccbh->ccb_state |= CD_CCB_RETRY_UA; 528 /* FALLTHROUGH */ 529 } 530 default: 531 cam_periph_async(periph, code, path, arg); 532 break; 533 } 534} 535 536static void 537cdsysctlinit(void *context, int pending) 538{ 539 struct cam_periph *periph; 540 struct cd_softc *softc; 541 char tmpstr[80], tmpstr2[80]; 542 543 periph = (struct cam_periph *)context; 544 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 545 return; 546 547 softc = (struct cd_softc *)periph->softc; 548 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 549 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 550 551 mtx_lock(&Giant); 552 553 sysctl_ctx_init(&softc->sysctl_ctx); 554 softc->flags |= CD_FLAG_SCTX_INIT; 555 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 556 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 557 tmpstr2, CTLFLAG_RD, 0, tmpstr); 558 559 if (softc->sysctl_tree == NULL) { 560 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 561 mtx_unlock(&Giant); 562 cam_periph_release(periph); 563 return; 564 } 565 566 /* 567 * Now register the sysctl handler, so the user can the value on 568 * the fly. 569 */ 570 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 571 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 572 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 573 "Minimum CDB size"); 574 575 mtx_unlock(&Giant); 576 cam_periph_release(periph); 577} 578 579/* 580 * We have a handler function for this so we can check the values when the 581 * user sets them, instead of every time we look at them. 582 */ 583static int 584cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 585{ 586 int error, value; 587 588 value = *(int *)arg1; 589 590 error = sysctl_handle_int(oidp, &value, 0, req); 591 592 if ((error != 0) 593 || (req->newptr == NULL)) 594 return (error); 595 596 /* 597 * The only real values we can have here are 6 or 10. I don't 598 * really forsee having 12 be an option at any time in the future. 599 * So if the user sets something less than or equal to 6, we'll set 600 * it to 6. If he sets something greater than 6, we'll set it to 10. 601 * 602 * I suppose we could just return an error here for the wrong values, 603 * but I don't think it's necessary to do so, as long as we can 604 * determine the user's intent without too much trouble. 605 */ 606 if (value < 6) 607 value = 6; 608 else if (value > 6) 609 value = 10; 610 611 *(int *)arg1 = value; 612 613 return (0); 614} 615 616static cam_status 617cdregister(struct cam_periph *periph, void *arg) 618{ 619 struct cd_softc *softc; 620 struct ccb_pathinq cpi; 621 struct ccb_getdev *cgd; 622 char tmpstr[80]; 623 caddr_t match; 624 625 cgd = (struct ccb_getdev *)arg; 626 if (periph == NULL) { 627 printf("cdregister: periph was NULL!!\n"); 628 return(CAM_REQ_CMP_ERR); 629 } 630 if (cgd == NULL) { 631 printf("cdregister: no getdev CCB, can't register device\n"); 632 return(CAM_REQ_CMP_ERR); 633 } 634 635 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 636 637 if (softc == NULL) { 638 printf("cdregister: Unable to probe new device. " 639 "Unable to allocate softc\n"); 640 return(CAM_REQ_CMP_ERR); 641 } 642 643 bzero(softc, sizeof(*softc)); 644 LIST_INIT(&softc->pending_ccbs); 645 STAILQ_INIT(&softc->mode_queue); 646 softc->state = CD_STATE_PROBE; 647 bioq_init(&softc->bio_queue); 648 if (SID_IS_REMOVABLE(&cgd->inq_data)) 649 softc->flags |= CD_FLAG_DISC_REMOVABLE; 650 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 651 softc->flags |= CD_FLAG_TAGGED_QUEUING; 652 653 periph->softc = softc; 654 softc->periph = periph; 655 656 /* 657 * See if this device has any quirks. 658 */ 659 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 660 (caddr_t)cd_quirk_table, 661 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 662 sizeof(*cd_quirk_table), scsi_inquiry_match); 663 664 if (match != NULL) 665 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 666 else 667 softc->quirks = CD_Q_NONE; 668 669 /* Check if the SIM does not want 6 byte commands */ 670 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 671 cpi.ccb_h.func_code = XPT_PATH_INQ; 672 xpt_action((union ccb *)&cpi); 673 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 674 softc->quirks |= CD_Q_10_BYTE_ONLY; 675 676 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 677 678 /* The default is 6 byte commands, unless quirked otherwise */ 679 if (softc->quirks & CD_Q_10_BYTE_ONLY) 680 softc->minimum_command_size = 10; 681 else 682 softc->minimum_command_size = 6; 683 684 /* 685 * Load the user's default, if any. 686 */ 687 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 688 periph->unit_number); 689 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 690 691 /* 6 and 10 are the only permissible values here. */ 692 if (softc->minimum_command_size < 6) 693 softc->minimum_command_size = 6; 694 else if (softc->minimum_command_size > 6) 695 softc->minimum_command_size = 10; 696 697 /* 698 * We need to register the statistics structure for this device, 699 * but we don't have the blocksize yet for it. So, we register 700 * the structure and indicate that we don't have the blocksize 701 * yet. Unlike other SCSI peripheral drivers, we explicitly set 702 * the device type here to be CDROM, rather than just ORing in 703 * the device type. This is because this driver can attach to either 704 * CDROM or WORM devices, and we want this peripheral driver to 705 * show up in the devstat list as a CD peripheral driver, not a 706 * WORM peripheral driver. WORM drives will also have the WORM 707 * driver attached to them. 708 */ 709 cam_periph_unlock(periph); 710 softc->disk = disk_alloc(); 711 softc->disk->d_devstat = devstat_new_entry("cd", 712 periph->unit_number, 0, 713 DEVSTAT_BS_UNAVAILABLE, 714 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 715 DEVSTAT_PRIORITY_CD); 716 softc->disk->d_open = cdopen; 717 softc->disk->d_close = cdclose; 718 softc->disk->d_strategy = cdstrategy; 719 softc->disk->d_ioctl = cdioctl; 720 softc->disk->d_name = "cd"; 721 softc->disk->d_unit = periph->unit_number; 722 softc->disk->d_drv1 = periph; 723 softc->disk->d_flags = 0; 724 disk_create(softc->disk, DISK_VERSION); 725 cam_periph_lock(periph); 726 727 /* 728 * Add an async callback so that we get 729 * notified if this device goes away. 730 */ 731 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 732 cdasync, periph, periph->path); 733 734 /* 735 * If the target lun is greater than 0, we most likely have a CD 736 * changer device. Check the quirk entries as well, though, just 737 * in case someone has a CD tower with one lun per drive or 738 * something like that. Also, if we know up front that a 739 * particular device is a changer, we can mark it as such starting 740 * with lun 0, instead of lun 1. It shouldn't be necessary to have 741 * a quirk entry to define something as a changer, however. 742 */ 743 if (((cgd->ccb_h.target_lun > 0) 744 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 745 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 746 struct cdchanger *nchanger; 747 struct cam_periph *nperiph; 748 struct cam_path *path; 749 cam_status status; 750 int found; 751 752 /* Set the changer flag in the current device's softc */ 753 softc->flags |= CD_FLAG_CHANGER; 754 755 /* 756 * Now, look around for an existing changer device with the 757 * same path and target ID as the current device. 758 */ 759 mtx_lock(&changerq_mtx); 760 for (found = 0, 761 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 762 nchanger != NULL; 763 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 764 if ((nchanger->path_id == cgd->ccb_h.path_id) 765 && (nchanger->target_id == cgd->ccb_h.target_id)) { 766 found = 1; 767 break; 768 } 769 } 770 mtx_unlock(&changerq_mtx); 771 772 /* 773 * If we found a matching entry, just add this device to 774 * the list of devices on this changer. 775 */ 776 if (found == 1) { 777 struct chdevlist *chlunhead; 778 779 chlunhead = &nchanger->chluns; 780 781 /* 782 * XXX KDM look at consolidating this code with the 783 * code below in a separate function. 784 */ 785 786 /* 787 * Create a path with lun id 0, and see if we can 788 * find a matching device 789 */ 790 status = xpt_create_path(&path, /*periph*/ periph, 791 cgd->ccb_h.path_id, 792 cgd->ccb_h.target_id, 0); 793 794 if ((status == CAM_REQ_CMP) 795 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 796 struct cd_softc *nsoftc; 797 798 nsoftc = (struct cd_softc *)nperiph->softc; 799 800 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 801 nsoftc->flags |= CD_FLAG_CHANGER; 802 nchanger->num_devices++; 803 if (camq_resize(&nchanger->devq, 804 nchanger->num_devices)!=CAM_REQ_CMP){ 805 printf("cdregister: " 806 "camq_resize " 807 "failed, changer " 808 "support may " 809 "be messed up\n"); 810 } 811 nsoftc->changer = nchanger; 812 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 813 814 STAILQ_INSERT_TAIL(&nchanger->chluns, 815 nsoftc,changer_links); 816 } 817 xpt_free_path(path); 818 } else if (status == CAM_REQ_CMP) 819 xpt_free_path(path); 820 else { 821 printf("cdregister: unable to allocate path\n" 822 "cdregister: changer support may be " 823 "broken\n"); 824 } 825 826 nchanger->num_devices++; 827 828 softc->changer = nchanger; 829 softc->pinfo.index = CAM_UNQUEUED_INDEX; 830 831 if (camq_resize(&nchanger->devq, 832 nchanger->num_devices) != CAM_REQ_CMP) { 833 printf("cdregister: camq_resize " 834 "failed, changer support may " 835 "be messed up\n"); 836 } 837 838 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 839 } 840 /* 841 * In this case, we don't already have an entry for this 842 * particular changer, so we need to create one, add it to 843 * the queue, and queue this device on the list for this 844 * changer. Before we queue this device, however, we need 845 * to search for lun id 0 on this target, and add it to the 846 * queue first, if it exists. (and if it hasn't already 847 * been marked as part of the changer.) 848 */ 849 else { 850 nchanger = malloc(sizeof(struct cdchanger), 851 M_DEVBUF, M_NOWAIT); 852 853 if (nchanger == NULL) { 854 softc->flags &= ~CD_FLAG_CHANGER; 855 printf("cdregister: unable to malloc " 856 "changer structure\ncdregister: " 857 "changer support disabled\n"); 858 859 /* 860 * Yes, gotos can be gross but in this case 861 * I think it's justified.. 862 */ 863 goto cdregisterexit; 864 } 865 866 /* zero the structure */ 867 bzero(nchanger, sizeof(struct cdchanger)); 868 869 if (camq_init(&nchanger->devq, 1) != 0) { 870 softc->flags &= ~CD_FLAG_CHANGER; 871 printf("cdregister: changer support " 872 "disabled\n"); 873 goto cdregisterexit; 874 } 875 876 nchanger->path_id = cgd->ccb_h.path_id; 877 nchanger->target_id = cgd->ccb_h.target_id; 878 879 /* this is superfluous, but it makes things clearer */ 880 nchanger->num_devices = 0; 881 882 STAILQ_INIT(&nchanger->chluns); 883 884 callout_init_mtx(&nchanger->long_handle, 885 periph->sim->mtx, 0); 886 callout_init_mtx(&nchanger->short_handle, 887 periph->sim->mtx, 0); 888 889 mtx_lock(&changerq_mtx); 890 num_changers++; 891 STAILQ_INSERT_TAIL(&changerq, nchanger, 892 changer_links); 893 mtx_unlock(&changerq_mtx); 894 895 /* 896 * Create a path with lun id 0, and see if we can 897 * find a matching device 898 */ 899 status = xpt_create_path(&path, /*periph*/ periph, 900 cgd->ccb_h.path_id, 901 cgd->ccb_h.target_id, 0); 902 903 /* 904 * If we were able to allocate the path, and if we 905 * find a matching device and it isn't already 906 * marked as part of a changer, then we add it to 907 * the current changer. 908 */ 909 if ((status == CAM_REQ_CMP) 910 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 911 && ((((struct cd_softc *)periph->softc)->flags & 912 CD_FLAG_CHANGER) == 0)) { 913 struct cd_softc *nsoftc; 914 915 nsoftc = (struct cd_softc *)nperiph->softc; 916 917 nsoftc->flags |= CD_FLAG_CHANGER; 918 nchanger->num_devices++; 919 if (camq_resize(&nchanger->devq, 920 nchanger->num_devices) != CAM_REQ_CMP) { 921 printf("cdregister: camq_resize " 922 "failed, changer support may " 923 "be messed up\n"); 924 } 925 nsoftc->changer = nchanger; 926 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 927 928 STAILQ_INSERT_TAIL(&nchanger->chluns, 929 nsoftc, changer_links); 930 xpt_free_path(path); 931 } else if (status == CAM_REQ_CMP) 932 xpt_free_path(path); 933 else { 934 printf("cdregister: unable to allocate path\n" 935 "cdregister: changer support may be " 936 "broken\n"); 937 } 938 939 softc->changer = nchanger; 940 softc->pinfo.index = CAM_UNQUEUED_INDEX; 941 nchanger->num_devices++; 942 if (camq_resize(&nchanger->devq, 943 nchanger->num_devices) != CAM_REQ_CMP) { 944 printf("cdregister: camq_resize " 945 "failed, changer support may " 946 "be messed up\n"); 947 } 948 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 949 changer_links); 950 } 951 } 952 953cdregisterexit: 954 955 /* 956 * Refcount and block open attempts until we are setup 957 * Can't block 958 */ 959 (void)cam_periph_hold(periph, PRIBIO); 960 961 if ((softc->flags & CD_FLAG_CHANGER) == 0) 962 xpt_schedule(periph, /*priority*/5); 963 else 964 cdschedule(periph, /*priority*/ 5); 965 966 return(CAM_REQ_CMP); 967} 968 969static int 970cdopen(struct disk *dp) 971{ 972 struct cam_periph *periph; 973 struct cd_softc *softc; 974 int error; 975 976 periph = (struct cam_periph *)dp->d_drv1; 977 if (periph == NULL) 978 return (ENXIO); 979 980 softc = (struct cd_softc *)periph->softc; 981 982 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 983 return(ENXIO); 984 985 cam_periph_lock(periph); 986 987 if (softc->flags & CD_FLAG_INVALID) { 988 cam_periph_unlock(periph); 989 cam_periph_release(periph); 990 return(ENXIO); 991 } 992 993 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 994 cam_periph_unlock(periph); 995 cam_periph_release(periph); 996 return (error); 997 } 998 999 /* 1000 * Check for media, and set the appropriate flags. We don't bail 1001 * if we don't have media, but then we don't allow anything but the 1002 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1003 */ 1004 cdcheckmedia(periph); 1005 1006 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1007 cam_periph_unhold(periph); 1008 1009 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1010 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1011 softc->flags |= CD_FLAG_OPEN; 1012 cam_periph_unlock(periph); 1013 } else { 1014 cam_periph_unlock(periph); 1015 cam_periph_release(periph); 1016 } 1017 1018 return (0); 1019} 1020 1021static int 1022cdclose(struct disk *dp) 1023{ 1024 struct cam_periph *periph; 1025 struct cd_softc *softc; 1026 1027 periph = (struct cam_periph *)dp->d_drv1; 1028 if (periph == NULL) 1029 return (ENXIO); 1030 1031 softc = (struct cd_softc *)periph->softc; 1032 1033 cam_periph_lock(periph); 1034 cam_periph_hold(periph, PRIBIO); 1035 1036 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1037 cdprevent(periph, PR_ALLOW); 1038 1039 /* 1040 * Since we're closing this CD, mark the blocksize as unavailable. 1041 * It will be marked as available when the CD is opened again. 1042 */ 1043 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1044 1045 /* 1046 * We'll check the media and toc again at the next open(). 1047 */ 1048 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1049 1050 cam_periph_unhold(periph); 1051 cam_periph_unlock(periph); 1052 cam_periph_release(periph); 1053 1054 return (0); 1055} 1056 1057static void 1058cdshorttimeout(void *arg) 1059{ 1060 struct cdchanger *changer; 1061 1062 changer = (struct cdchanger *)arg; 1063 1064 /* Always clear the short timeout flag, since that's what we're in */ 1065 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1066 1067 /* 1068 * Check to see if there is any more pending or outstanding I/O for 1069 * this device. If not, move it out of the active slot. 1070 */ 1071 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1072 && (changer->cur_device->outstanding_cmds == 0)) { 1073 changer->flags |= CHANGER_MANUAL_CALL; 1074 cdrunchangerqueue(changer); 1075 } 1076} 1077 1078/* 1079 * This is a wrapper for xpt_schedule. It only applies to changers. 1080 */ 1081static void 1082cdschedule(struct cam_periph *periph, int priority) 1083{ 1084 struct cd_softc *softc; 1085 1086 softc = (struct cd_softc *)periph->softc; 1087 1088 /* 1089 * If this device isn't currently queued, and if it isn't 1090 * the active device, then we queue this device and run the 1091 * changer queue if there is no timeout scheduled to do it. 1092 * If this device is the active device, just schedule it 1093 * to run again. If this device is queued, there should be 1094 * a timeout in place already that will make sure it runs. 1095 */ 1096 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1097 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1098 /* 1099 * We don't do anything with the priority here. 1100 * This is strictly a fifo queue. 1101 */ 1102 softc->pinfo.priority = 1; 1103 softc->pinfo.generation = ++softc->changer->devq.generation; 1104 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1105 1106 /* 1107 * Since we just put a device in the changer queue, 1108 * check and see if there is a timeout scheduled for 1109 * this changer. If so, let the timeout handle 1110 * switching this device into the active slot. If 1111 * not, manually call the timeout routine to 1112 * bootstrap things. 1113 */ 1114 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1115 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1116 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1117 softc->changer->flags |= CHANGER_MANUAL_CALL; 1118 cdrunchangerqueue(softc->changer); 1119 } 1120 } else if ((softc->flags & CD_FLAG_ACTIVE) 1121 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1122 xpt_schedule(periph, priority); 1123} 1124 1125static void 1126cdrunchangerqueue(void *arg) 1127{ 1128 struct cd_softc *softc; 1129 struct cdchanger *changer; 1130 int called_from_timeout; 1131 1132 changer = (struct cdchanger *)arg; 1133 1134 /* 1135 * If we have NOT been called from cdstrategy() or cddone(), and 1136 * instead from a timeout routine, go ahead and clear the 1137 * timeout flag. 1138 */ 1139 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1140 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1141 called_from_timeout = 1; 1142 } else 1143 called_from_timeout = 0; 1144 1145 /* Always clear the manual call flag */ 1146 changer->flags &= ~CHANGER_MANUAL_CALL; 1147 1148 /* nothing to do if the queue is empty */ 1149 if (changer->devq.entries <= 0) { 1150 return; 1151 } 1152 1153 /* 1154 * If the changer queue is frozen, that means we have an active 1155 * device. 1156 */ 1157 if (changer->devq.qfrozen_cnt > 0) { 1158 1159 /* 1160 * We always need to reset the frozen count and clear the 1161 * active flag. 1162 */ 1163 changer->devq.qfrozen_cnt--; 1164 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1165 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1166 1167 if (changer->cur_device->outstanding_cmds > 0) { 1168 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1169 changer->cur_device->bufs_left = 1170 changer->cur_device->outstanding_cmds; 1171 if (called_from_timeout) { 1172 callout_reset(&changer->long_handle, 1173 changer_max_busy_seconds * hz, 1174 cdrunchangerqueue, changer); 1175 changer->flags |= CHANGER_TIMEOUT_SCHED; 1176 } 1177 return; 1178 } 1179 1180 /* 1181 * Check to see whether the current device has any I/O left 1182 * to do. If so, requeue it at the end of the queue. If 1183 * not, there is no need to requeue it. 1184 */ 1185 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1186 1187 changer->cur_device->pinfo.generation = 1188 ++changer->devq.generation; 1189 camq_insert(&changer->devq, 1190 (cam_pinfo *)changer->cur_device); 1191 } 1192 } 1193 1194 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1195 1196 changer->cur_device = softc; 1197 1198 changer->devq.qfrozen_cnt++; 1199 softc->flags |= CD_FLAG_ACTIVE; 1200 1201 /* Just in case this device is waiting */ 1202 wakeup(&softc->changer); 1203 xpt_schedule(softc->periph, /*priority*/ 1); 1204 1205 /* 1206 * Get rid of any pending timeouts, and set a flag to schedule new 1207 * ones so this device gets its full time quantum. 1208 */ 1209 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1210 callout_stop(&changer->long_handle); 1211 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1212 } 1213 1214 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1215 callout_stop(&changer->short_handle); 1216 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1217 } 1218 1219 /* 1220 * We need to schedule timeouts, but we only do this after the 1221 * first transaction has completed. This eliminates the changer 1222 * switch time. 1223 */ 1224 changer->flags |= CHANGER_NEED_TIMEOUT; 1225} 1226 1227static void 1228cdchangerschedule(struct cd_softc *softc) 1229{ 1230 struct cdchanger *changer; 1231 1232 changer = softc->changer; 1233 1234 /* 1235 * If this is a changer, and this is the current device, 1236 * and this device has at least the minimum time quantum to 1237 * run, see if we can switch it out. 1238 */ 1239 if ((softc->flags & CD_FLAG_ACTIVE) 1240 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1241 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1242 /* 1243 * We try three things here. The first is that we 1244 * check to see whether the schedule on completion 1245 * flag is set. If it is, we decrement the number 1246 * of buffers left, and if it's zero, we reschedule. 1247 * Next, we check to see whether the pending buffer 1248 * queue is empty and whether there are no 1249 * outstanding transactions. If so, we reschedule. 1250 * Next, we see if the pending buffer queue is empty. 1251 * If it is, we set the number of buffers left to 1252 * the current active buffer count and set the 1253 * schedule on complete flag. 1254 */ 1255 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1256 if (--softc->bufs_left == 0) { 1257 softc->changer->flags |= 1258 CHANGER_MANUAL_CALL; 1259 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1260 cdrunchangerqueue(softc->changer); 1261 } 1262 } else if ((bioq_first(&softc->bio_queue) == NULL) 1263 && (softc->outstanding_cmds == 0)) { 1264 softc->changer->flags |= CHANGER_MANUAL_CALL; 1265 cdrunchangerqueue(softc->changer); 1266 } 1267 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1268 && (softc->flags & CD_FLAG_ACTIVE)) { 1269 1270 /* 1271 * Now that the first transaction to this 1272 * particular device has completed, we can go ahead 1273 * and schedule our timeouts. 1274 */ 1275 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1276 callout_reset(&changer->long_handle, 1277 changer_max_busy_seconds * hz, 1278 cdrunchangerqueue, changer); 1279 changer->flags |= CHANGER_TIMEOUT_SCHED; 1280 } else 1281 printf("cdchangerschedule: already have a long" 1282 " timeout!\n"); 1283 1284 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1285 callout_reset(&changer->short_handle, 1286 changer_min_busy_seconds * hz, 1287 cdshorttimeout, changer); 1288 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1289 } else 1290 printf("cdchangerschedule: already have a short " 1291 "timeout!\n"); 1292 1293 /* 1294 * We just scheduled timeouts, no need to schedule 1295 * more. 1296 */ 1297 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1298 1299 } 1300} 1301 1302static int 1303cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1304 u_int32_t cam_flags, 1305 u_int32_t sense_flags), 1306 u_int32_t cam_flags, u_int32_t sense_flags) 1307{ 1308 struct cd_softc *softc; 1309 struct cam_periph *periph; 1310 int error; 1311 1312 periph = xpt_path_periph(ccb->ccb_h.path); 1313 softc = (struct cd_softc *)periph->softc; 1314 1315 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1316 softc->disk->d_devstat); 1317 1318 if (softc->flags & CD_FLAG_CHANGER) 1319 cdchangerschedule(softc); 1320 1321 return(error); 1322} 1323 1324static union ccb * 1325cdgetccb(struct cam_periph *periph, u_int32_t priority) 1326{ 1327 struct cd_softc *softc; 1328 1329 softc = (struct cd_softc *)periph->softc; 1330 1331 if (softc->flags & CD_FLAG_CHANGER) { 1332 /* 1333 * This should work the first time this device is woken up, 1334 * but just in case it doesn't, we use a while loop. 1335 */ 1336 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1337 /* 1338 * If this changer isn't already queued, queue it up. 1339 */ 1340 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1341 softc->pinfo.priority = 1; 1342 softc->pinfo.generation = 1343 ++softc->changer->devq.generation; 1344 camq_insert(&softc->changer->devq, 1345 (cam_pinfo *)softc); 1346 } 1347 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1348 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1349 && ((softc->changer->flags 1350 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1351 softc->changer->flags |= CHANGER_MANUAL_CALL; 1352 cdrunchangerqueue(softc->changer); 1353 } else 1354 msleep(&softc->changer, periph->sim->mtx, 1355 PRIBIO, "cgticb", 0); 1356 } 1357 } 1358 return(cam_periph_getccb(periph, priority)); 1359} 1360 1361 1362/* 1363 * Actually translate the requested transfer into one the physical driver 1364 * can understand. The transfer is described by a buf and will include 1365 * only one physical transfer. 1366 */ 1367static void 1368cdstrategy(struct bio *bp) 1369{ 1370 struct cam_periph *periph; 1371 struct cd_softc *softc; 1372 1373 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1374 if (periph == NULL) { 1375 biofinish(bp, NULL, ENXIO); 1376 return; 1377 } 1378 1379 cam_periph_lock(periph); 1380 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1381 1382 softc = (struct cd_softc *)periph->softc; 1383 1384 /* 1385 * If the device has been made invalid, error out 1386 */ 1387 if ((softc->flags & CD_FLAG_INVALID)) { 1388 cam_periph_unlock(periph); 1389 biofinish(bp, NULL, ENXIO); 1390 return; 1391 } 1392 1393 /* 1394 * If we don't have valid media, look for it before trying to 1395 * schedule the I/O. 1396 */ 1397 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1398 int error; 1399 1400 error = cdcheckmedia(periph); 1401 if (error != 0) { 1402 cam_periph_unlock(periph); 1403 biofinish(bp, NULL, error); 1404 return; 1405 } 1406 } 1407 1408 /* 1409 * Place it in the queue of disk activities for this disk 1410 */ 1411 bioq_disksort(&softc->bio_queue, bp); 1412 1413 /* 1414 * Schedule ourselves for performing the work. We do things 1415 * differently for changers. 1416 */ 1417 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1418 xpt_schedule(periph, /* XXX priority */1); 1419 else 1420 cdschedule(periph, /* priority */ 1); 1421 1422 cam_periph_unlock(periph); 1423 return; 1424} 1425 1426static void 1427cdstart(struct cam_periph *periph, union ccb *start_ccb) 1428{ 1429 struct cd_softc *softc; 1430 struct bio *bp; 1431 struct ccb_scsiio *csio; 1432 struct scsi_read_capacity_data *rcap; 1433 1434 softc = (struct cd_softc *)periph->softc; 1435 1436 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1437 1438 switch (softc->state) { 1439 case CD_STATE_NORMAL: 1440 { 1441 bp = bioq_first(&softc->bio_queue); 1442 if (periph->immediate_priority <= periph->pinfo.priority) { 1443 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1444 1445 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1446 periph_links.sle); 1447 periph->immediate_priority = CAM_PRIORITY_NONE; 1448 wakeup(&periph->ccb_list); 1449 } else if (bp == NULL) { 1450 xpt_release_ccb(start_ccb); 1451 } else { 1452 bioq_remove(&softc->bio_queue, bp); 1453 1454 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1455 1456 scsi_read_write(&start_ccb->csio, 1457 /*retries*/4, 1458 /* cbfcnp */ cddone, 1459 MSG_SIMPLE_Q_TAG, 1460 /* read */bp->bio_cmd == BIO_READ, 1461 /* byte2 */ 0, 1462 /* minimum_cmd_size */ 10, 1463 /* lba */ bp->bio_offset / 1464 softc->params.blksize, 1465 bp->bio_bcount / softc->params.blksize, 1466 /* data_ptr */ bp->bio_data, 1467 /* dxfer_len */ bp->bio_bcount, 1468 /* sense_len */ SSD_FULL_SIZE, 1469 /* timeout */ 30000); 1470 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1471 1472 1473 LIST_INSERT_HEAD(&softc->pending_ccbs, 1474 &start_ccb->ccb_h, periph_links.le); 1475 softc->outstanding_cmds++; 1476 1477 /* We expect a unit attention from this device */ 1478 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1479 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1480 softc->flags &= ~CD_FLAG_RETRY_UA; 1481 } 1482 1483 start_ccb->ccb_h.ccb_bp = bp; 1484 bp = bioq_first(&softc->bio_queue); 1485 1486 xpt_action(start_ccb); 1487 } 1488 if (bp != NULL) { 1489 /* Have more work to do, so ensure we stay scheduled */ 1490 xpt_schedule(periph, /* XXX priority */1); 1491 } 1492 break; 1493 } 1494 case CD_STATE_PROBE: 1495 { 1496 1497 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1498 M_SCSICD, 1499 M_NOWAIT); 1500 if (rcap == NULL) { 1501 xpt_print(periph->path, 1502 "cdstart: Couldn't malloc read_capacity data\n"); 1503 /* cd_free_periph??? */ 1504 break; 1505 } 1506 csio = &start_ccb->csio; 1507 scsi_read_capacity(csio, 1508 /*retries*/1, 1509 cddone, 1510 MSG_SIMPLE_Q_TAG, 1511 rcap, 1512 SSD_FULL_SIZE, 1513 /*timeout*/20000); 1514 start_ccb->ccb_h.ccb_bp = NULL; 1515 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1516 xpt_action(start_ccb); 1517 break; 1518 } 1519 } 1520} 1521 1522static void 1523cddone(struct cam_periph *periph, union ccb *done_ccb) 1524{ 1525 struct cd_softc *softc; 1526 struct ccb_scsiio *csio; 1527 1528 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1529 1530 softc = (struct cd_softc *)periph->softc; 1531 csio = &done_ccb->csio; 1532 1533 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1534 case CD_CCB_BUFFER_IO: 1535 { 1536 struct bio *bp; 1537 int error; 1538 1539 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1540 error = 0; 1541 1542 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1543 int sf; 1544 1545 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1546 sf = SF_RETRY_UA; 1547 else 1548 sf = 0; 1549 1550 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1551 if (error == ERESTART) { 1552 /* 1553 * A retry was scheuled, so 1554 * just return. 1555 */ 1556 return; 1557 } 1558 } 1559 1560 if (error != 0) { 1561 xpt_print(periph->path, 1562 "cddone: got error %#x back\n", error); 1563 bioq_flush(&softc->bio_queue, NULL, EIO); 1564 bp->bio_resid = bp->bio_bcount; 1565 bp->bio_error = error; 1566 bp->bio_flags |= BIO_ERROR; 1567 cam_release_devq(done_ccb->ccb_h.path, 1568 /*relsim_flags*/0, 1569 /*reduction*/0, 1570 /*timeout*/0, 1571 /*getcount_only*/0); 1572 1573 } else { 1574 bp->bio_resid = csio->resid; 1575 bp->bio_error = 0; 1576 if (bp->bio_resid != 0) { 1577 /* 1578 * Short transfer ??? 1579 * XXX: not sure this is correct for partial 1580 * transfers at EOM 1581 */ 1582 bp->bio_flags |= BIO_ERROR; 1583 } 1584 } 1585 1586 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1587 softc->outstanding_cmds--; 1588 1589 if (softc->flags & CD_FLAG_CHANGER) 1590 cdchangerschedule(softc); 1591 1592 biofinish(bp, NULL, 0); 1593 break; 1594 } 1595 case CD_CCB_PROBE: 1596 { 1597 struct scsi_read_capacity_data *rdcap; 1598 char announce_buf[120]; /* 1599 * Currently (9/30/97) the 1600 * longest possible announce 1601 * buffer is 108 bytes, for the 1602 * first error case below. 1603 * That is 39 bytes for the 1604 * basic string, 16 bytes for the 1605 * biggest sense key (hardware 1606 * error), 52 bytes for the 1607 * text of the largest sense 1608 * qualifier valid for a CDROM, 1609 * (0x72, 0x03 or 0x04, 1610 * 0x03), and one byte for the 1611 * null terminating character. 1612 * To allow for longer strings, 1613 * the announce buffer is 120 1614 * bytes. 1615 */ 1616 struct cd_params *cdp; 1617 1618 cdp = &softc->params; 1619 1620 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1621 1622 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1623 cdp->blksize = scsi_4btoul (rdcap->length); 1624 1625 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1626 1627 snprintf(announce_buf, sizeof(announce_buf), 1628 "cd present [%lu x %lu byte records]", 1629 cdp->disksize, (u_long)cdp->blksize); 1630 1631 } else { 1632 int error; 1633 /* 1634 * Retry any UNIT ATTENTION type errors. They 1635 * are expected at boot. 1636 */ 1637 error = cderror(done_ccb, CAM_RETRY_SELTO, 1638 SF_RETRY_UA | SF_NO_PRINT); 1639 if (error == ERESTART) { 1640 /* 1641 * A retry was scheuled, so 1642 * just return. 1643 */ 1644 return; 1645 } else if (error != 0) { 1646 1647 struct scsi_sense_data *sense; 1648 int asc, ascq; 1649 int sense_key, error_code; 1650 int have_sense; 1651 cam_status status; 1652 struct ccb_getdev cgd; 1653 1654 /* Don't wedge this device's queue */ 1655 cam_release_devq(done_ccb->ccb_h.path, 1656 /*relsim_flags*/0, 1657 /*reduction*/0, 1658 /*timeout*/0, 1659 /*getcount_only*/0); 1660 1661 status = done_ccb->ccb_h.status; 1662 1663 xpt_setup_ccb(&cgd.ccb_h, 1664 done_ccb->ccb_h.path, 1665 /* priority */ 1); 1666 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1667 xpt_action((union ccb *)&cgd); 1668 1669 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1670 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1671 || ((status & CAM_AUTOSNS_VALID) == 0)) 1672 have_sense = FALSE; 1673 else 1674 have_sense = TRUE; 1675 1676 if (have_sense) { 1677 sense = &csio->sense_data; 1678 scsi_extract_sense(sense, &error_code, 1679 &sense_key, 1680 &asc, &ascq); 1681 } 1682 /* 1683 * Attach to anything that claims to be a 1684 * CDROM or WORM device, as long as it 1685 * doesn't return a "Logical unit not 1686 * supported" (0x25) error. 1687 */ 1688 if ((have_sense) && (asc != 0x25) 1689 && (error_code == SSD_CURRENT_ERROR)) { 1690 const char *sense_key_desc; 1691 const char *asc_desc; 1692 1693 scsi_sense_desc(sense_key, asc, ascq, 1694 &cgd.inq_data, 1695 &sense_key_desc, 1696 &asc_desc); 1697 snprintf(announce_buf, 1698 sizeof(announce_buf), 1699 "Attempt to query device " 1700 "size failed: %s, %s", 1701 sense_key_desc, 1702 asc_desc); 1703 } else if ((have_sense == 0) 1704 && ((status & CAM_STATUS_MASK) == 1705 CAM_SCSI_STATUS_ERROR) 1706 && (csio->scsi_status == 1707 SCSI_STATUS_BUSY)) { 1708 snprintf(announce_buf, 1709 sizeof(announce_buf), 1710 "Attempt to query device " 1711 "size failed: SCSI Status: %s", 1712 scsi_status_string(csio)); 1713 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1714 /* 1715 * We only print out an error for 1716 * CDROM type devices. For WORM 1717 * devices, we don't print out an 1718 * error since a few WORM devices 1719 * don't support CDROM commands. 1720 * If we have sense information, go 1721 * ahead and print it out. 1722 * Otherwise, just say that we 1723 * couldn't attach. 1724 */ 1725 1726 /* 1727 * Just print out the error, not 1728 * the full probe message, when we 1729 * don't attach. 1730 */ 1731 if (have_sense) 1732 scsi_sense_print( 1733 &done_ccb->csio); 1734 else { 1735 xpt_print(periph->path, 1736 "got CAM status %#x\n", 1737 done_ccb->ccb_h.status); 1738 } 1739 xpt_print(periph->path, "fatal error, " 1740 "failed to attach to device\n"); 1741 /* 1742 * Invalidate this peripheral. 1743 */ 1744 cam_periph_invalidate(periph); 1745 1746 announce_buf[0] = '\0'; 1747 } else { 1748 1749 /* 1750 * Invalidate this peripheral. 1751 */ 1752 cam_periph_invalidate(periph); 1753 announce_buf[0] = '\0'; 1754 } 1755 } 1756 } 1757 free(rdcap, M_SCSICD); 1758 if (announce_buf[0] != '\0') { 1759 xpt_announce_periph(periph, announce_buf); 1760 if (softc->flags & CD_FLAG_CHANGER) 1761 cdchangerschedule(softc); 1762 /* 1763 * Create our sysctl variables, now that we know 1764 * we have successfully attached. 1765 */ 1766 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1767 } 1768 softc->state = CD_STATE_NORMAL; 1769 /* 1770 * Since our peripheral may be invalidated by an error 1771 * above or an external event, we must release our CCB 1772 * before releasing the probe lock on the peripheral. 1773 * The peripheral will only go away once the last lock 1774 * is removed, and we need it around for the CCB release 1775 * operation. 1776 */ 1777 xpt_release_ccb(done_ccb); 1778 cam_periph_unhold(periph); 1779 return; 1780 } 1781 case CD_CCB_WAITING: 1782 { 1783 /* Caller will release the CCB */ 1784 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1785 ("trying to wakeup ccbwait\n")); 1786 1787 wakeup(&done_ccb->ccb_h.cbfcnp); 1788 return; 1789 } 1790 default: 1791 break; 1792 } 1793 xpt_release_ccb(done_ccb); 1794} 1795 1796static union cd_pages * 1797cdgetpage(struct cd_mode_params *mode_params) 1798{ 1799 union cd_pages *page; 1800 1801 if (mode_params->cdb_size == 10) 1802 page = (union cd_pages *)find_mode_page_10( 1803 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1804 else 1805 page = (union cd_pages *)find_mode_page_6( 1806 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1807 1808 return (page); 1809} 1810 1811static int 1812cdgetpagesize(int page_num) 1813{ 1814 int i; 1815 1816 for (i = 0; i < (sizeof(cd_page_size_table)/ 1817 sizeof(cd_page_size_table[0])); i++) { 1818 if (cd_page_size_table[i].page == page_num) 1819 return (cd_page_size_table[i].page_size); 1820 } 1821 1822 return (-1); 1823} 1824 1825static int 1826cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1827{ 1828 1829 struct cam_periph *periph; 1830 struct cd_softc *softc; 1831 int nocopyout, error = 0; 1832 1833 periph = (struct cam_periph *)dp->d_drv1; 1834 if (periph == NULL) 1835 return(ENXIO); 1836 1837 cam_periph_lock(periph); 1838 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1839 1840 softc = (struct cd_softc *)periph->softc; 1841 1842 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1843 ("trying to do ioctl %#lx\n", cmd)); 1844 1845 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1846 cam_periph_unlock(periph); 1847 cam_periph_release(periph); 1848 return (error); 1849 } 1850 1851 /* 1852 * If we don't have media loaded, check for it. If still don't 1853 * have media loaded, we can only do a load or eject. 1854 * 1855 * We only care whether media is loaded if this is a cd-specific ioctl 1856 * (thus the IOCGROUP check below). Note that this will break if 1857 * anyone adds any ioctls into the switch statement below that don't 1858 * have their ioctl group set to 'c'. 1859 */ 1860 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1861 && ((cmd != CDIOCCLOSE) 1862 && (cmd != CDIOCEJECT)) 1863 && (IOCGROUP(cmd) == 'c')) { 1864 error = cdcheckmedia(periph); 1865 if (error != 0) { 1866 cam_periph_unhold(periph); 1867 cam_periph_unlock(periph); 1868 return (error); 1869 } 1870 } 1871 /* 1872 * Drop the lock here so later mallocs can use WAITOK. The periph 1873 * is essentially locked still with the cam_periph_hold call above. 1874 */ 1875 cam_periph_unlock(periph); 1876 1877 nocopyout = 0; 1878 switch (cmd) { 1879 1880 case CDIOCPLAYTRACKS: 1881 { 1882 struct ioc_play_track *args 1883 = (struct ioc_play_track *) addr; 1884 struct cd_mode_params params; 1885 union cd_pages *page; 1886 1887 params.alloc_len = sizeof(union cd_mode_data_6_10); 1888 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1889 M_WAITOK | M_ZERO); 1890 1891 cam_periph_lock(periph); 1892 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1893 ("trying to do CDIOCPLAYTRACKS\n")); 1894 1895 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1896 if (error) { 1897 free(params.mode_buf, M_SCSICD); 1898 cam_periph_unlock(periph); 1899 break; 1900 } 1901 page = cdgetpage(¶ms); 1902 1903 page->audio.flags &= ~CD_PA_SOTC; 1904 page->audio.flags |= CD_PA_IMMED; 1905 error = cdsetmode(periph, ¶ms); 1906 free(params.mode_buf, M_SCSICD); 1907 if (error) { 1908 cam_periph_unlock(periph); 1909 break; 1910 } 1911 1912 /* 1913 * This was originally implemented with the PLAY 1914 * AUDIO TRACK INDEX command, but that command was 1915 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1916 * drives support it but ATAPI and ATAPI-derivative 1917 * drives don't seem to support it. So we keep a 1918 * cache of the table of contents and translate 1919 * track numbers to MSF format. 1920 */ 1921 if (softc->flags & CD_FLAG_VALID_TOC) { 1922 union msf_lba *sentry, *eentry; 1923 int st, et; 1924 1925 if (args->end_track < 1926 softc->toc.header.ending_track + 1) 1927 args->end_track++; 1928 if (args->end_track > 1929 softc->toc.header.ending_track + 1) 1930 args->end_track = 1931 softc->toc.header.ending_track + 1; 1932 st = args->start_track - 1933 softc->toc.header.starting_track; 1934 et = args->end_track - 1935 softc->toc.header.starting_track; 1936 if ((st < 0) 1937 || (et < 0) 1938 || (st > (softc->toc.header.ending_track - 1939 softc->toc.header.starting_track))) { 1940 error = EINVAL; 1941 break; 1942 } 1943 sentry = &softc->toc.entries[st].addr; 1944 eentry = &softc->toc.entries[et].addr; 1945 error = cdplaymsf(periph, 1946 sentry->msf.minute, 1947 sentry->msf.second, 1948 sentry->msf.frame, 1949 eentry->msf.minute, 1950 eentry->msf.second, 1951 eentry->msf.frame); 1952 } else { 1953 /* 1954 * If we don't have a valid TOC, try the 1955 * play track index command. It is part of 1956 * the SCSI-2 spec, but was removed in the 1957 * MMC specs. ATAPI and ATAPI-derived 1958 * drives don't support it. 1959 */ 1960 if (softc->quirks & CD_Q_BCD_TRACKS) { 1961 args->start_track = 1962 bin2bcd(args->start_track); 1963 args->end_track = 1964 bin2bcd(args->end_track); 1965 } 1966 error = cdplaytracks(periph, 1967 args->start_track, 1968 args->start_index, 1969 args->end_track, 1970 args->end_index); 1971 } 1972 cam_periph_unlock(periph); 1973 } 1974 break; 1975 case CDIOCPLAYMSF: 1976 { 1977 struct ioc_play_msf *args 1978 = (struct ioc_play_msf *) addr; 1979 struct cd_mode_params params; 1980 union cd_pages *page; 1981 1982 params.alloc_len = sizeof(union cd_mode_data_6_10); 1983 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1984 M_WAITOK | M_ZERO); 1985 1986 cam_periph_lock(periph); 1987 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1988 ("trying to do CDIOCPLAYMSF\n")); 1989 1990 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1991 if (error) { 1992 free(params.mode_buf, M_SCSICD); 1993 cam_periph_unlock(periph); 1994 break; 1995 } 1996 page = cdgetpage(¶ms); 1997 1998 page->audio.flags &= ~CD_PA_SOTC; 1999 page->audio.flags |= CD_PA_IMMED; 2000 error = cdsetmode(periph, ¶ms); 2001 free(params.mode_buf, M_SCSICD); 2002 if (error) { 2003 cam_periph_unlock(periph); 2004 break; 2005 } 2006 error = cdplaymsf(periph, 2007 args->start_m, 2008 args->start_s, 2009 args->start_f, 2010 args->end_m, 2011 args->end_s, 2012 args->end_f); 2013 cam_periph_unlock(periph); 2014 } 2015 break; 2016 case CDIOCPLAYBLOCKS: 2017 { 2018 struct ioc_play_blocks *args 2019 = (struct ioc_play_blocks *) addr; 2020 struct cd_mode_params params; 2021 union cd_pages *page; 2022 2023 params.alloc_len = sizeof(union cd_mode_data_6_10); 2024 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2025 M_WAITOK | M_ZERO); 2026 2027 cam_periph_lock(periph); 2028 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2029 ("trying to do CDIOCPLAYBLOCKS\n")); 2030 2031 2032 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2033 if (error) { 2034 free(params.mode_buf, M_SCSICD); 2035 cam_periph_unlock(periph); 2036 break; 2037 } 2038 page = cdgetpage(¶ms); 2039 2040 page->audio.flags &= ~CD_PA_SOTC; 2041 page->audio.flags |= CD_PA_IMMED; 2042 error = cdsetmode(periph, ¶ms); 2043 free(params.mode_buf, M_SCSICD); 2044 if (error) { 2045 cam_periph_unlock(periph); 2046 break; 2047 } 2048 error = cdplay(periph, args->blk, args->len); 2049 cam_periph_unlock(periph); 2050 } 2051 break; 2052 case CDIOCREADSUBCHANNEL_SYSSPACE: 2053 nocopyout = 1; 2054 /* Fallthrough */ 2055 case CDIOCREADSUBCHANNEL: 2056 { 2057 struct ioc_read_subchannel *args 2058 = (struct ioc_read_subchannel *) addr; 2059 struct cd_sub_channel_info *data; 2060 u_int32_t len = args->data_len; 2061 2062 data = malloc(sizeof(struct cd_sub_channel_info), 2063 M_SCSICD, M_WAITOK); 2064 2065 cam_periph_lock(periph); 2066 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2067 ("trying to do CDIOCREADSUBCHANNEL\n")); 2068 2069 if ((len > sizeof(struct cd_sub_channel_info)) || 2070 (len < sizeof(struct cd_sub_channel_header))) { 2071 printf( 2072 "scsi_cd: cdioctl: " 2073 "cdioreadsubchannel: error, len=%d\n", 2074 len); 2075 error = EINVAL; 2076 free(data, M_SCSICD); 2077 cam_periph_unlock(periph); 2078 break; 2079 } 2080 2081 if (softc->quirks & CD_Q_BCD_TRACKS) 2082 args->track = bin2bcd(args->track); 2083 2084 error = cdreadsubchannel(periph, args->address_format, 2085 args->data_format, args->track, data, len); 2086 2087 if (error) { 2088 free(data, M_SCSICD); 2089 cam_periph_unlock(periph); 2090 break; 2091 } 2092 if (softc->quirks & CD_Q_BCD_TRACKS) 2093 data->what.track_info.track_number = 2094 bcd2bin(data->what.track_info.track_number); 2095 len = min(len, ((data->header.data_len[0] << 8) + 2096 data->header.data_len[1] + 2097 sizeof(struct cd_sub_channel_header))); 2098 cam_periph_unlock(periph); 2099 if (nocopyout == 0) { 2100 if (copyout(data, args->data, len) != 0) { 2101 error = EFAULT; 2102 } 2103 } else { 2104 bcopy(data, args->data, len); 2105 } 2106 free(data, M_SCSICD); 2107 } 2108 break; 2109 2110 case CDIOREADTOCHEADER: 2111 { 2112 struct ioc_toc_header *th; 2113 2114 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2115 M_WAITOK); 2116 2117 cam_periph_lock(periph); 2118 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2119 ("trying to do CDIOREADTOCHEADER\n")); 2120 2121 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2122 sizeof (*th), /*sense_flags*/0); 2123 if (error) { 2124 free(th, M_SCSICD); 2125 cam_periph_unlock(periph); 2126 break; 2127 } 2128 if (softc->quirks & CD_Q_BCD_TRACKS) { 2129 /* we are going to have to convert the BCD 2130 * encoding on the cd to what is expected 2131 */ 2132 th->starting_track = 2133 bcd2bin(th->starting_track); 2134 th->ending_track = bcd2bin(th->ending_track); 2135 } 2136 th->len = ntohs(th->len); 2137 bcopy(th, addr, sizeof(*th)); 2138 free(th, M_SCSICD); 2139 cam_periph_unlock(periph); 2140 } 2141 break; 2142 case CDIOREADTOCENTRYS: 2143 { 2144 struct cd_tocdata *data; 2145 struct cd_toc_single *lead; 2146 struct ioc_read_toc_entry *te = 2147 (struct ioc_read_toc_entry *) addr; 2148 struct ioc_toc_header *th; 2149 u_int32_t len, readlen, idx, num; 2150 u_int32_t starting_track = te->starting_track; 2151 2152 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2153 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2154 2155 cam_periph_lock(periph); 2156 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2157 ("trying to do CDIOREADTOCENTRYS\n")); 2158 2159 if (te->data_len < sizeof(struct cd_toc_entry) 2160 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2161 || (te->address_format != CD_MSF_FORMAT 2162 && te->address_format != CD_LBA_FORMAT)) { 2163 error = EINVAL; 2164 printf("scsi_cd: error in readtocentries, " 2165 "returning EINVAL\n"); 2166 free(data, M_SCSICD); 2167 free(lead, M_SCSICD); 2168 cam_periph_unlock(periph); 2169 break; 2170 } 2171 2172 th = &data->header; 2173 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2174 sizeof (*th), /*sense_flags*/0); 2175 if (error) { 2176 free(data, M_SCSICD); 2177 free(lead, M_SCSICD); 2178 cam_periph_unlock(periph); 2179 break; 2180 } 2181 2182 if (softc->quirks & CD_Q_BCD_TRACKS) { 2183 /* we are going to have to convert the BCD 2184 * encoding on the cd to what is expected 2185 */ 2186 th->starting_track = 2187 bcd2bin(th->starting_track); 2188 th->ending_track = bcd2bin(th->ending_track); 2189 } 2190 2191 if (starting_track == 0) 2192 starting_track = th->starting_track; 2193 else if (starting_track == LEADOUT) 2194 starting_track = th->ending_track + 1; 2195 else if (starting_track < th->starting_track || 2196 starting_track > th->ending_track + 1) { 2197 printf("scsi_cd: error in readtocentries, " 2198 "returning EINVAL\n"); 2199 free(data, M_SCSICD); 2200 free(lead, M_SCSICD); 2201 cam_periph_unlock(periph); 2202 error = EINVAL; 2203 break; 2204 } 2205 2206 /* calculate reading length without leadout entry */ 2207 readlen = (th->ending_track - starting_track + 1) * 2208 sizeof(struct cd_toc_entry); 2209 2210 /* and with leadout entry */ 2211 len = readlen + sizeof(struct cd_toc_entry); 2212 if (te->data_len < len) { 2213 len = te->data_len; 2214 if (readlen > len) 2215 readlen = len; 2216 } 2217 if (len > sizeof(data->entries)) { 2218 printf("scsi_cd: error in readtocentries, " 2219 "returning EINVAL\n"); 2220 error = EINVAL; 2221 free(data, M_SCSICD); 2222 free(lead, M_SCSICD); 2223 cam_periph_unlock(periph); 2224 break; 2225 } 2226 num = len / sizeof(struct cd_toc_entry); 2227 2228 if (readlen > 0) { 2229 error = cdreadtoc(periph, te->address_format, 2230 starting_track, 2231 (u_int8_t *)data, 2232 readlen + sizeof (*th), 2233 /*sense_flags*/0); 2234 if (error) { 2235 free(data, M_SCSICD); 2236 free(lead, M_SCSICD); 2237 cam_periph_unlock(periph); 2238 break; 2239 } 2240 } 2241 2242 /* make leadout entry if needed */ 2243 idx = starting_track + num - 1; 2244 if (softc->quirks & CD_Q_BCD_TRACKS) 2245 th->ending_track = bcd2bin(th->ending_track); 2246 if (idx == th->ending_track + 1) { 2247 error = cdreadtoc(periph, te->address_format, 2248 LEADOUT, (u_int8_t *)lead, 2249 sizeof(*lead), 2250 /*sense_flags*/0); 2251 if (error) { 2252 free(data, M_SCSICD); 2253 free(lead, M_SCSICD); 2254 cam_periph_unlock(periph); 2255 break; 2256 } 2257 data->entries[idx - starting_track] = 2258 lead->entry; 2259 } 2260 if (softc->quirks & CD_Q_BCD_TRACKS) { 2261 for (idx = 0; idx < num - 1; idx++) { 2262 data->entries[idx].track = 2263 bcd2bin(data->entries[idx].track); 2264 } 2265 } 2266 2267 cam_periph_unlock(periph); 2268 error = copyout(data->entries, te->data, len); 2269 free(data, M_SCSICD); 2270 free(lead, M_SCSICD); 2271 } 2272 break; 2273 case CDIOREADTOCENTRY: 2274 { 2275 struct cd_toc_single *data; 2276 struct ioc_read_toc_single_entry *te = 2277 (struct ioc_read_toc_single_entry *) addr; 2278 struct ioc_toc_header *th; 2279 u_int32_t track; 2280 2281 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2282 2283 cam_periph_lock(periph); 2284 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2285 ("trying to do CDIOREADTOCENTRY\n")); 2286 2287 if (te->address_format != CD_MSF_FORMAT 2288 && te->address_format != CD_LBA_FORMAT) { 2289 printf("error in readtocentry, " 2290 " returning EINVAL\n"); 2291 free(data, M_SCSICD); 2292 error = EINVAL; 2293 cam_periph_unlock(periph); 2294 break; 2295 } 2296 2297 th = &data->header; 2298 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2299 sizeof (*th), /*sense_flags*/0); 2300 if (error) { 2301 free(data, M_SCSICD); 2302 cam_periph_unlock(periph); 2303 break; 2304 } 2305 2306 if (softc->quirks & CD_Q_BCD_TRACKS) { 2307 /* we are going to have to convert the BCD 2308 * encoding on the cd to what is expected 2309 */ 2310 th->starting_track = 2311 bcd2bin(th->starting_track); 2312 th->ending_track = bcd2bin(th->ending_track); 2313 } 2314 track = te->track; 2315 if (track == 0) 2316 track = th->starting_track; 2317 else if (track == LEADOUT) 2318 /* OK */; 2319 else if (track < th->starting_track || 2320 track > th->ending_track + 1) { 2321 printf("error in readtocentry, " 2322 " returning EINVAL\n"); 2323 free(data, M_SCSICD); 2324 error = EINVAL; 2325 cam_periph_unlock(periph); 2326 break; 2327 } 2328 2329 error = cdreadtoc(periph, te->address_format, track, 2330 (u_int8_t *)data, sizeof(*data), 2331 /*sense_flags*/0); 2332 if (error) { 2333 free(data, M_SCSICD); 2334 cam_periph_unlock(periph); 2335 break; 2336 } 2337 2338 if (softc->quirks & CD_Q_BCD_TRACKS) 2339 data->entry.track = bcd2bin(data->entry.track); 2340 bcopy(&data->entry, &te->entry, 2341 sizeof(struct cd_toc_entry)); 2342 free(data, M_SCSICD); 2343 cam_periph_unlock(periph); 2344 } 2345 break; 2346 case CDIOCSETPATCH: 2347 { 2348 struct ioc_patch *arg = (struct ioc_patch *)addr; 2349 struct cd_mode_params params; 2350 union cd_pages *page; 2351 2352 params.alloc_len = sizeof(union cd_mode_data_6_10); 2353 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2354 M_WAITOK | M_ZERO); 2355 2356 cam_periph_lock(periph); 2357 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2358 ("trying to do CDIOCSETPATCH\n")); 2359 2360 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2361 if (error) { 2362 free(params.mode_buf, M_SCSICD); 2363 cam_periph_unlock(periph); 2364 break; 2365 } 2366 page = cdgetpage(¶ms); 2367 2368 page->audio.port[LEFT_PORT].channels = 2369 arg->patch[0]; 2370 page->audio.port[RIGHT_PORT].channels = 2371 arg->patch[1]; 2372 page->audio.port[2].channels = arg->patch[2]; 2373 page->audio.port[3].channels = arg->patch[3]; 2374 error = cdsetmode(periph, ¶ms); 2375 free(params.mode_buf, M_SCSICD); 2376 cam_periph_unlock(periph); 2377 } 2378 break; 2379 case CDIOCGETVOL: 2380 { 2381 struct ioc_vol *arg = (struct ioc_vol *) addr; 2382 struct cd_mode_params params; 2383 union cd_pages *page; 2384 2385 params.alloc_len = sizeof(union cd_mode_data_6_10); 2386 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2387 M_WAITOK | M_ZERO); 2388 2389 cam_periph_lock(periph); 2390 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2391 ("trying to do CDIOCGETVOL\n")); 2392 2393 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2394 if (error) { 2395 free(params.mode_buf, M_SCSICD); 2396 cam_periph_unlock(periph); 2397 break; 2398 } 2399 page = cdgetpage(¶ms); 2400 2401 arg->vol[LEFT_PORT] = 2402 page->audio.port[LEFT_PORT].volume; 2403 arg->vol[RIGHT_PORT] = 2404 page->audio.port[RIGHT_PORT].volume; 2405 arg->vol[2] = page->audio.port[2].volume; 2406 arg->vol[3] = page->audio.port[3].volume; 2407 free(params.mode_buf, M_SCSICD); 2408 cam_periph_unlock(periph); 2409 } 2410 break; 2411 case CDIOCSETVOL: 2412 { 2413 struct ioc_vol *arg = (struct ioc_vol *) addr; 2414 struct cd_mode_params params; 2415 union cd_pages *page; 2416 2417 params.alloc_len = sizeof(union cd_mode_data_6_10); 2418 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2419 M_WAITOK | M_ZERO); 2420 2421 cam_periph_lock(periph); 2422 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2423 ("trying to do CDIOCSETVOL\n")); 2424 2425 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2426 if (error) { 2427 free(params.mode_buf, M_SCSICD); 2428 cam_periph_unlock(periph); 2429 break; 2430 } 2431 page = cdgetpage(¶ms); 2432 2433 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2434 page->audio.port[LEFT_PORT].volume = 2435 arg->vol[LEFT_PORT]; 2436 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2437 page->audio.port[RIGHT_PORT].volume = 2438 arg->vol[RIGHT_PORT]; 2439 page->audio.port[2].volume = arg->vol[2]; 2440 page->audio.port[3].volume = arg->vol[3]; 2441 error = cdsetmode(periph, ¶ms); 2442 cam_periph_unlock(periph); 2443 free(params.mode_buf, M_SCSICD); 2444 } 2445 break; 2446 case CDIOCSETMONO: 2447 { 2448 struct cd_mode_params params; 2449 union cd_pages *page; 2450 2451 params.alloc_len = sizeof(union cd_mode_data_6_10); 2452 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2453 M_WAITOK | M_ZERO); 2454 2455 cam_periph_lock(periph); 2456 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2457 ("trying to do CDIOCSETMONO\n")); 2458 2459 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2460 if (error) { 2461 free(params.mode_buf, M_SCSICD); 2462 cam_periph_unlock(periph); 2463 break; 2464 } 2465 page = cdgetpage(¶ms); 2466 2467 page->audio.port[LEFT_PORT].channels = 2468 LEFT_CHANNEL | RIGHT_CHANNEL; 2469 page->audio.port[RIGHT_PORT].channels = 2470 LEFT_CHANNEL | RIGHT_CHANNEL; 2471 page->audio.port[2].channels = 0; 2472 page->audio.port[3].channels = 0; 2473 error = cdsetmode(periph, ¶ms); 2474 cam_periph_unlock(periph); 2475 free(params.mode_buf, M_SCSICD); 2476 } 2477 break; 2478 case CDIOCSETSTEREO: 2479 { 2480 struct cd_mode_params params; 2481 union cd_pages *page; 2482 2483 params.alloc_len = sizeof(union cd_mode_data_6_10); 2484 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2485 M_WAITOK | M_ZERO); 2486 2487 cam_periph_lock(periph); 2488 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2489 ("trying to do CDIOCSETSTEREO\n")); 2490 2491 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2492 if (error) { 2493 free(params.mode_buf, M_SCSICD); 2494 cam_periph_unlock(periph); 2495 break; 2496 } 2497 page = cdgetpage(¶ms); 2498 2499 page->audio.port[LEFT_PORT].channels = 2500 LEFT_CHANNEL; 2501 page->audio.port[RIGHT_PORT].channels = 2502 RIGHT_CHANNEL; 2503 page->audio.port[2].channels = 0; 2504 page->audio.port[3].channels = 0; 2505 error = cdsetmode(periph, ¶ms); 2506 free(params.mode_buf, M_SCSICD); 2507 cam_periph_unlock(periph); 2508 } 2509 break; 2510 case CDIOCSETMUTE: 2511 { 2512 struct cd_mode_params params; 2513 union cd_pages *page; 2514 2515 params.alloc_len = sizeof(union cd_mode_data_6_10); 2516 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2517 M_WAITOK | M_ZERO); 2518 2519 cam_periph_lock(periph); 2520 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2521 ("trying to do CDIOCSETMUTE\n")); 2522 2523 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2524 if (error) { 2525 free(¶ms, M_SCSICD); 2526 cam_periph_unlock(periph); 2527 break; 2528 } 2529 page = cdgetpage(¶ms); 2530 2531 page->audio.port[LEFT_PORT].channels = 0; 2532 page->audio.port[RIGHT_PORT].channels = 0; 2533 page->audio.port[2].channels = 0; 2534 page->audio.port[3].channels = 0; 2535 error = cdsetmode(periph, ¶ms); 2536 free(params.mode_buf, M_SCSICD); 2537 cam_periph_unlock(periph); 2538 } 2539 break; 2540 case CDIOCSETLEFT: 2541 { 2542 struct cd_mode_params params; 2543 union cd_pages *page; 2544 2545 params.alloc_len = sizeof(union cd_mode_data_6_10); 2546 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2547 M_WAITOK | M_ZERO); 2548 2549 cam_periph_lock(periph); 2550 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2551 ("trying to do CDIOCSETLEFT\n")); 2552 2553 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2554 if (error) { 2555 free(params.mode_buf, M_SCSICD); 2556 cam_periph_unlock(periph); 2557 break; 2558 } 2559 page = cdgetpage(¶ms); 2560 2561 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2562 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2563 page->audio.port[2].channels = 0; 2564 page->audio.port[3].channels = 0; 2565 error = cdsetmode(periph, ¶ms); 2566 free(params.mode_buf, M_SCSICD); 2567 cam_periph_unlock(periph); 2568 } 2569 break; 2570 case CDIOCSETRIGHT: 2571 { 2572 struct cd_mode_params params; 2573 union cd_pages *page; 2574 2575 params.alloc_len = sizeof(union cd_mode_data_6_10); 2576 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2577 M_WAITOK | M_ZERO); 2578 2579 cam_periph_lock(periph); 2580 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2581 ("trying to do CDIOCSETRIGHT\n")); 2582 2583 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2584 if (error) { 2585 free(params.mode_buf, M_SCSICD); 2586 cam_periph_unlock(periph); 2587 break; 2588 } 2589 page = cdgetpage(¶ms); 2590 2591 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2592 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2593 page->audio.port[2].channels = 0; 2594 page->audio.port[3].channels = 0; 2595 error = cdsetmode(periph, ¶ms); 2596 free(params.mode_buf, M_SCSICD); 2597 cam_periph_unlock(periph); 2598 } 2599 break; 2600 case CDIOCRESUME: 2601 cam_periph_lock(periph); 2602 error = cdpause(periph, 1); 2603 cam_periph_unlock(periph); 2604 break; 2605 case CDIOCPAUSE: 2606 cam_periph_lock(periph); 2607 error = cdpause(periph, 0); 2608 cam_periph_unlock(periph); 2609 break; 2610 case CDIOCSTART: 2611 cam_periph_lock(periph); 2612 error = cdstartunit(periph, 0); 2613 cam_periph_unlock(periph); 2614 break; 2615 case CDIOCCLOSE: 2616 cam_periph_lock(periph); 2617 error = cdstartunit(periph, 1); 2618 cam_periph_unlock(periph); 2619 break; 2620 case CDIOCSTOP: 2621 cam_periph_lock(periph); 2622 error = cdstopunit(periph, 0); 2623 cam_periph_unlock(periph); 2624 break; 2625 case CDIOCEJECT: 2626 cam_periph_lock(periph); 2627 error = cdstopunit(periph, 1); 2628 cam_periph_unlock(periph); 2629 break; 2630 case CDIOCALLOW: 2631 cam_periph_lock(periph); 2632 cdprevent(periph, PR_ALLOW); 2633 cam_periph_unlock(periph); 2634 break; 2635 case CDIOCPREVENT: 2636 cam_periph_lock(periph); 2637 cdprevent(periph, PR_PREVENT); 2638 cam_periph_unlock(periph); 2639 break; 2640 case CDIOCSETDEBUG: 2641 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2642 error = ENOTTY; 2643 break; 2644 case CDIOCCLRDEBUG: 2645 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2646 error = ENOTTY; 2647 break; 2648 case CDIOCRESET: 2649 /* return (cd_reset(periph)); */ 2650 error = ENOTTY; 2651 break; 2652 case CDRIOCREADSPEED: 2653 cam_periph_lock(periph); 2654 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2655 cam_periph_unlock(periph); 2656 break; 2657 case CDRIOCWRITESPEED: 2658 cam_periph_lock(periph); 2659 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2660 cam_periph_unlock(periph); 2661 break; 2662 case DVDIOCSENDKEY: 2663 case DVDIOCREPORTKEY: { 2664 struct dvd_authinfo *authinfo; 2665 2666 authinfo = (struct dvd_authinfo *)addr; 2667 2668 cam_periph_lock(periph); 2669 if (cmd == DVDIOCREPORTKEY) 2670 error = cdreportkey(periph, authinfo); 2671 else 2672 error = cdsendkey(periph, authinfo); 2673 cam_periph_unlock(periph); 2674 break; 2675 } 2676 case DVDIOCREADSTRUCTURE: { 2677 struct dvd_struct *dvdstruct; 2678 2679 dvdstruct = (struct dvd_struct *)addr; 2680 2681 cam_periph_lock(periph); 2682 error = cdreaddvdstructure(periph, dvdstruct); 2683 cam_periph_unlock(periph); 2684 2685 break; 2686 } 2687 default: 2688 cam_periph_lock(periph); 2689 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2690 cam_periph_unlock(periph); 2691 break; 2692 } 2693 2694 cam_periph_lock(periph); 2695 cam_periph_unhold(periph); 2696 2697 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2698 if (error && bootverbose) { 2699 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2700 } 2701 cam_periph_unlock(periph); 2702 2703 return (error); 2704} 2705 2706static void 2707cdprevent(struct cam_periph *periph, int action) 2708{ 2709 union ccb *ccb; 2710 struct cd_softc *softc; 2711 int error; 2712 2713 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2714 2715 softc = (struct cd_softc *)periph->softc; 2716 2717 if (((action == PR_ALLOW) 2718 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2719 || ((action == PR_PREVENT) 2720 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2721 return; 2722 } 2723 2724 ccb = cdgetccb(periph, /* priority */ 1); 2725 2726 scsi_prevent(&ccb->csio, 2727 /*retries*/ 1, 2728 cddone, 2729 MSG_SIMPLE_Q_TAG, 2730 action, 2731 SSD_FULL_SIZE, 2732 /* timeout */60000); 2733 2734 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2735 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2736 2737 xpt_release_ccb(ccb); 2738 2739 if (error == 0) { 2740 if (action == PR_ALLOW) 2741 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2742 else 2743 softc->flags |= CD_FLAG_DISC_LOCKED; 2744 } 2745} 2746 2747/* 2748 * XXX: the disk media and sector size is only really able to change 2749 * XXX: while the device is closed. 2750 */ 2751static int 2752cdcheckmedia(struct cam_periph *periph) 2753{ 2754 struct cd_softc *softc; 2755 struct ioc_toc_header *toch; 2756 struct cd_toc_single leadout; 2757 u_int32_t size, toclen; 2758 int error, num_entries, cdindex; 2759 2760 softc = (struct cd_softc *)periph->softc; 2761 2762 cdprevent(periph, PR_PREVENT); 2763 softc->disk->d_maxsize = DFLTPHYS; 2764 softc->disk->d_sectorsize = 2048; 2765 softc->disk->d_mediasize = 0; 2766 2767 /* 2768 * Get the disc size and block size. If we can't get it, we don't 2769 * have media, most likely. 2770 */ 2771 if ((error = cdsize(periph, &size)) != 0) { 2772 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2773 cdprevent(periph, PR_ALLOW); 2774 return (error); 2775 } else 2776 softc->flags |= CD_FLAG_VALID_MEDIA; 2777 2778 /* 2779 * Now we check the table of contents. This (currently) is only 2780 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2781 * things like present a separate entry in /dev for each track, 2782 * like that acd(4) driver does. 2783 */ 2784 bzero(&softc->toc, sizeof(softc->toc)); 2785 toch = &softc->toc.header; 2786 /* 2787 * We will get errors here for media that doesn't have a table of 2788 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2789 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2790 * has not been recorded (no complete session) and the Format codes 2791 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2792 * with an INVALID FIELD IN CDB. Devices that are not capable of 2793 * reading an incomplete session on DDC/CD-R/RW media shall report 2794 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2795 * 2796 * So this isn't fatal if we can't read the table of contents, it 2797 * just means that the user won't be able to issue the play tracks 2798 * ioctl, and likely lots of other stuff won't work either. They 2799 * need to burn the CD before we can do a whole lot with it. So 2800 * we don't print anything here if we get an error back. 2801 */ 2802 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2803 SF_NO_PRINT); 2804 /* 2805 * Errors in reading the table of contents aren't fatal, we just 2806 * won't have a valid table of contents cached. 2807 */ 2808 if (error != 0) { 2809 error = 0; 2810 bzero(&softc->toc, sizeof(softc->toc)); 2811 goto bailout; 2812 } 2813 2814 if (softc->quirks & CD_Q_BCD_TRACKS) { 2815 toch->starting_track = bcd2bin(toch->starting_track); 2816 toch->ending_track = bcd2bin(toch->ending_track); 2817 } 2818 2819 /* Number of TOC entries, plus leadout */ 2820 num_entries = (toch->ending_track - toch->starting_track) + 2; 2821 2822 if (num_entries <= 0) 2823 goto bailout; 2824 2825 toclen = num_entries * sizeof(struct cd_toc_entry); 2826 2827 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2828 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2829 SF_NO_PRINT); 2830 if (error != 0) { 2831 error = 0; 2832 bzero(&softc->toc, sizeof(softc->toc)); 2833 goto bailout; 2834 } 2835 2836 if (softc->quirks & CD_Q_BCD_TRACKS) { 2837 toch->starting_track = bcd2bin(toch->starting_track); 2838 toch->ending_track = bcd2bin(toch->ending_track); 2839 } 2840 /* 2841 * XXX KDM is this necessary? Probably only if the drive doesn't 2842 * return leadout information with the table of contents. 2843 */ 2844 cdindex = toch->starting_track + num_entries -1; 2845 if (cdindex == toch->ending_track + 1) { 2846 2847 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2848 (u_int8_t *)&leadout, sizeof(leadout), 2849 SF_NO_PRINT); 2850 if (error != 0) { 2851 error = 0; 2852 goto bailout; 2853 } 2854 softc->toc.entries[cdindex - toch->starting_track] = 2855 leadout.entry; 2856 } 2857 if (softc->quirks & CD_Q_BCD_TRACKS) { 2858 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2859 softc->toc.entries[cdindex].track = 2860 bcd2bin(softc->toc.entries[cdindex].track); 2861 } 2862 } 2863 2864 softc->flags |= CD_FLAG_VALID_TOC; 2865 softc->disk->d_maxsize = DFLTPHYS; 2866 softc->disk->d_sectorsize = softc->params.blksize; 2867 softc->disk->d_mediasize = 2868 (off_t)softc->params.blksize * softc->params.disksize; 2869 2870bailout: 2871 2872 /* 2873 * We unconditionally (re)set the blocksize each time the 2874 * CD device is opened. This is because the CD can change, 2875 * and therefore the blocksize might change. 2876 * XXX problems here if some slice or partition is still 2877 * open with the old size? 2878 */ 2879 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2880 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2881 softc->disk->d_devstat->block_size = softc->params.blksize; 2882 2883 return (error); 2884} 2885 2886static int 2887cdsize(struct cam_periph *periph, u_int32_t *size) 2888{ 2889 struct cd_softc *softc; 2890 union ccb *ccb; 2891 struct scsi_read_capacity_data *rcap_buf; 2892 int error; 2893 2894 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2895 2896 softc = (struct cd_softc *)periph->softc; 2897 2898 ccb = cdgetccb(periph, /* priority */ 1); 2899 2900 /* XXX Should be M_WAITOK */ 2901 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2902 M_SCSICD, M_NOWAIT); 2903 if (rcap_buf == NULL) 2904 return (ENOMEM); 2905 2906 scsi_read_capacity(&ccb->csio, 2907 /*retries*/ 1, 2908 cddone, 2909 MSG_SIMPLE_Q_TAG, 2910 rcap_buf, 2911 SSD_FULL_SIZE, 2912 /* timeout */20000); 2913 2914 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2915 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2916 2917 xpt_release_ccb(ccb); 2918 2919 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2920 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2921 /* 2922 * SCSI-3 mandates that the reported blocksize shall be 2048. 2923 * Older drives sometimes report funny values, trim it down to 2924 * 2048, or other parts of the kernel will get confused. 2925 * 2926 * XXX we leave drives alone that might report 512 bytes, as 2927 * well as drives reporting more weird sizes like perhaps 4K. 2928 */ 2929 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2930 softc->params.blksize = 2048; 2931 2932 free(rcap_buf, M_SCSICD); 2933 *size = softc->params.disksize; 2934 2935 return (error); 2936 2937} 2938 2939static int 2940cd6byteworkaround(union ccb *ccb) 2941{ 2942 u_int8_t *cdb; 2943 struct cam_periph *periph; 2944 struct cd_softc *softc; 2945 struct cd_mode_params *params; 2946 int frozen, found; 2947 2948 periph = xpt_path_periph(ccb->ccb_h.path); 2949 softc = (struct cd_softc *)periph->softc; 2950 2951 cdb = ccb->csio.cdb_io.cdb_bytes; 2952 2953 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2954 || ((cdb[0] != MODE_SENSE_6) 2955 && (cdb[0] != MODE_SELECT_6))) 2956 return (0); 2957 2958 /* 2959 * Because there is no convenient place to stash the overall 2960 * cd_mode_params structure pointer, we have to grab it like this. 2961 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2962 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2963 * 2964 * XXX It would be nice if, at some point, we could increase the 2965 * number of available peripheral private pointers. Both pointers 2966 * are currently used in most every peripheral driver. 2967 */ 2968 found = 0; 2969 2970 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2971 if (params->mode_buf == ccb->csio.data_ptr) { 2972 found = 1; 2973 break; 2974 } 2975 } 2976 2977 /* 2978 * This shouldn't happen. All mode sense and mode select 2979 * operations in the cd(4) driver MUST go through cdgetmode() and 2980 * cdsetmode()! 2981 */ 2982 if (found == 0) { 2983 xpt_print(periph->path, 2984 "mode buffer not found in mode queue!\n"); 2985 return (0); 2986 } 2987 2988 params->cdb_size = 10; 2989 softc->minimum_command_size = 10; 2990 xpt_print(ccb->ccb_h.path, 2991 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2992 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2993 2994 if (cdb[0] == MODE_SENSE_6) { 2995 struct scsi_mode_sense_10 ms10; 2996 struct scsi_mode_sense_6 *ms6; 2997 int len; 2998 2999 ms6 = (struct scsi_mode_sense_6 *)cdb; 3000 3001 bzero(&ms10, sizeof(ms10)); 3002 ms10.opcode = MODE_SENSE_10; 3003 ms10.byte2 = ms6->byte2; 3004 ms10.page = ms6->page; 3005 3006 /* 3007 * 10 byte mode header, block descriptor, 3008 * sizeof(union cd_pages) 3009 */ 3010 len = sizeof(struct cd_mode_data_10); 3011 ccb->csio.dxfer_len = len; 3012 3013 scsi_ulto2b(len, ms10.length); 3014 ms10.control = ms6->control; 3015 bcopy(&ms10, cdb, 10); 3016 ccb->csio.cdb_len = 10; 3017 } else { 3018 struct scsi_mode_select_10 ms10; 3019 struct scsi_mode_select_6 *ms6; 3020 struct scsi_mode_header_6 *header6; 3021 struct scsi_mode_header_10 *header10; 3022 struct scsi_mode_page_header *page_header; 3023 int blk_desc_len, page_num, page_size, len; 3024 3025 ms6 = (struct scsi_mode_select_6 *)cdb; 3026 3027 bzero(&ms10, sizeof(ms10)); 3028 ms10.opcode = MODE_SELECT_10; 3029 ms10.byte2 = ms6->byte2; 3030 3031 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3032 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3033 3034 page_header = find_mode_page_6(header6); 3035 page_num = page_header->page_code; 3036 3037 blk_desc_len = header6->blk_desc_len; 3038 3039 page_size = cdgetpagesize(page_num); 3040 3041 if (page_size != (page_header->page_length + 3042 sizeof(*page_header))) 3043 page_size = page_header->page_length + 3044 sizeof(*page_header); 3045 3046 len = sizeof(*header10) + blk_desc_len + page_size; 3047 3048 len = min(params->alloc_len, len); 3049 3050 /* 3051 * Since the 6 byte parameter header is shorter than the 10 3052 * byte parameter header, we need to copy the actual mode 3053 * page data, and the block descriptor, if any, so things wind 3054 * up in the right place. The regions will overlap, but 3055 * bcopy() does the right thing. 3056 */ 3057 bcopy(params->mode_buf + sizeof(*header6), 3058 params->mode_buf + sizeof(*header10), 3059 len - sizeof(*header10)); 3060 3061 /* Make sure these fields are set correctly. */ 3062 scsi_ulto2b(0, header10->data_length); 3063 header10->medium_type = 0; 3064 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3065 3066 ccb->csio.dxfer_len = len; 3067 3068 scsi_ulto2b(len, ms10.length); 3069 ms10.control = ms6->control; 3070 bcopy(&ms10, cdb, 10); 3071 ccb->csio.cdb_len = 10; 3072 } 3073 3074 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3075 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3076 xpt_action(ccb); 3077 if (frozen) { 3078 cam_release_devq(ccb->ccb_h.path, 3079 /*relsim_flags*/0, 3080 /*openings*/0, 3081 /*timeout*/0, 3082 /*getcount_only*/0); 3083 } 3084 3085 return (ERESTART); 3086} 3087 3088static int 3089cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3090{ 3091 struct cd_softc *softc; 3092 struct cam_periph *periph; 3093 int error; 3094 3095 periph = xpt_path_periph(ccb->ccb_h.path); 3096 softc = (struct cd_softc *)periph->softc; 3097 3098 error = 0; 3099 3100 /* 3101 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3102 * CDB comes back with this particular error, try transforming it 3103 * into the 10 byte version. 3104 */ 3105 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3106 error = cd6byteworkaround(ccb); 3107 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3108 CAM_SCSI_STATUS_ERROR) 3109 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3110 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3111 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3112 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3113 int sense_key, error_code, asc, ascq; 3114 3115 scsi_extract_sense(&ccb->csio.sense_data, 3116 &error_code, &sense_key, &asc, &ascq); 3117 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3118 error = cd6byteworkaround(ccb); 3119 } 3120 3121 if (error == ERESTART) 3122 return (error); 3123 3124 /* 3125 * XXX 3126 * Until we have a better way of doing pack validation, 3127 * don't treat UAs as errors. 3128 */ 3129 sense_flags |= SF_RETRY_UA; 3130 return (cam_periph_error(ccb, cam_flags, sense_flags, 3131 &softc->saved_ccb)); 3132} 3133 3134/* 3135 * Read table of contents 3136 */ 3137static int 3138cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3139 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3140{ 3141 struct scsi_read_toc *scsi_cmd; 3142 u_int32_t ntoc; 3143 struct ccb_scsiio *csio; 3144 union ccb *ccb; 3145 int error; 3146 3147 ntoc = len; 3148 error = 0; 3149 3150 ccb = cdgetccb(periph, /* priority */ 1); 3151 3152 csio = &ccb->csio; 3153 3154 cam_fill_csio(csio, 3155 /* retries */ 1, 3156 /* cbfcnp */ cddone, 3157 /* flags */ CAM_DIR_IN, 3158 /* tag_action */ MSG_SIMPLE_Q_TAG, 3159 /* data_ptr */ data, 3160 /* dxfer_len */ len, 3161 /* sense_len */ SSD_FULL_SIZE, 3162 sizeof(struct scsi_read_toc), 3163 /* timeout */ 50000); 3164 3165 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3166 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3167 3168 if (mode == CD_MSF_FORMAT) 3169 scsi_cmd->byte2 |= CD_MSF; 3170 scsi_cmd->from_track = start; 3171 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3172 scsi_cmd->data_len[0] = (ntoc) >> 8; 3173 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3174 3175 scsi_cmd->op_code = READ_TOC; 3176 3177 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3178 /*sense_flags*/SF_RETRY_UA | sense_flags); 3179 3180 xpt_release_ccb(ccb); 3181 3182 return(error); 3183} 3184 3185static int 3186cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3187 u_int32_t format, int track, 3188 struct cd_sub_channel_info *data, u_int32_t len) 3189{ 3190 struct scsi_read_subchannel *scsi_cmd; 3191 struct ccb_scsiio *csio; 3192 union ccb *ccb; 3193 int error; 3194 3195 error = 0; 3196 3197 ccb = cdgetccb(periph, /* priority */ 1); 3198 3199 csio = &ccb->csio; 3200 3201 cam_fill_csio(csio, 3202 /* retries */ 1, 3203 /* cbfcnp */ cddone, 3204 /* flags */ CAM_DIR_IN, 3205 /* tag_action */ MSG_SIMPLE_Q_TAG, 3206 /* data_ptr */ (u_int8_t *)data, 3207 /* dxfer_len */ len, 3208 /* sense_len */ SSD_FULL_SIZE, 3209 sizeof(struct scsi_read_subchannel), 3210 /* timeout */ 50000); 3211 3212 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3213 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3214 3215 scsi_cmd->op_code = READ_SUBCHANNEL; 3216 if (mode == CD_MSF_FORMAT) 3217 scsi_cmd->byte1 |= CD_MSF; 3218 scsi_cmd->byte2 = SRS_SUBQ; 3219 scsi_cmd->subchan_format = format; 3220 scsi_cmd->track = track; 3221 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3222 scsi_cmd->control = 0; 3223 3224 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3225 /*sense_flags*/SF_RETRY_UA); 3226 3227 xpt_release_ccb(ccb); 3228 3229 return(error); 3230} 3231 3232 3233/* 3234 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3235 * routine. See comments in cd6byteworkaround() for details. 3236 */ 3237static int 3238cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3239 u_int32_t page) 3240{ 3241 struct ccb_scsiio *csio; 3242 struct cd_softc *softc; 3243 union ccb *ccb; 3244 int param_len; 3245 int error; 3246 3247 softc = (struct cd_softc *)periph->softc; 3248 3249 ccb = cdgetccb(periph, /* priority */ 1); 3250 3251 csio = &ccb->csio; 3252 3253 data->cdb_size = softc->minimum_command_size; 3254 if (data->cdb_size < 10) 3255 param_len = sizeof(struct cd_mode_data); 3256 else 3257 param_len = sizeof(struct cd_mode_data_10); 3258 3259 /* Don't say we've got more room than we actually allocated */ 3260 param_len = min(param_len, data->alloc_len); 3261 3262 scsi_mode_sense_len(csio, 3263 /* retries */ 1, 3264 /* cbfcnp */ cddone, 3265 /* tag_action */ MSG_SIMPLE_Q_TAG, 3266 /* dbd */ 0, 3267 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3268 /* page */ page, 3269 /* param_buf */ data->mode_buf, 3270 /* param_len */ param_len, 3271 /* minimum_cmd_size */ softc->minimum_command_size, 3272 /* sense_len */ SSD_FULL_SIZE, 3273 /* timeout */ 50000); 3274 3275 /* 3276 * It would be nice not to have to do this, but there's no 3277 * available pointer in the CCB that would allow us to stuff the 3278 * mode params structure in there and retrieve it in 3279 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3280 * lets the caller know what CDB size we ended up using, so they 3281 * can find the actual mode page offset. 3282 */ 3283 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3284 3285 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3286 /*sense_flags*/SF_RETRY_UA); 3287 3288 xpt_release_ccb(ccb); 3289 3290 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3291 3292 /* 3293 * This is a bit of belt-and-suspenders checking, but if we run 3294 * into a situation where the target sends back multiple block 3295 * descriptors, we might not have enough space in the buffer to 3296 * see the whole mode page. Better to return an error than 3297 * potentially access memory beyond our malloced region. 3298 */ 3299 if (error == 0) { 3300 u_int32_t data_len; 3301 3302 if (data->cdb_size == 10) { 3303 struct scsi_mode_header_10 *hdr10; 3304 3305 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3306 data_len = scsi_2btoul(hdr10->data_length); 3307 data_len += sizeof(hdr10->data_length); 3308 } else { 3309 struct scsi_mode_header_6 *hdr6; 3310 3311 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3312 data_len = hdr6->data_length; 3313 data_len += sizeof(hdr6->data_length); 3314 } 3315 3316 /* 3317 * Complain if there is more mode data available than we 3318 * allocated space for. This could potentially happen if 3319 * we miscalculated the page length for some reason, if the 3320 * drive returns multiple block descriptors, or if it sets 3321 * the data length incorrectly. 3322 */ 3323 if (data_len > data->alloc_len) { 3324 xpt_print(periph->path, "allocated modepage %d length " 3325 "%d < returned length %d\n", page, data->alloc_len, 3326 data_len); 3327 error = ENOSPC; 3328 } 3329 } 3330 return (error); 3331} 3332 3333/* 3334 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3335 * routine. See comments in cd6byteworkaround() for details. 3336 */ 3337static int 3338cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3339{ 3340 struct ccb_scsiio *csio; 3341 struct cd_softc *softc; 3342 union ccb *ccb; 3343 int cdb_size, param_len; 3344 int error; 3345 3346 softc = (struct cd_softc *)periph->softc; 3347 3348 ccb = cdgetccb(periph, /* priority */ 1); 3349 3350 csio = &ccb->csio; 3351 3352 error = 0; 3353 3354 /* 3355 * If the data is formatted for the 10 byte version of the mode 3356 * select parameter list, we need to use the 10 byte CDB. 3357 * Otherwise, we use whatever the stored minimum command size. 3358 */ 3359 if (data->cdb_size == 10) 3360 cdb_size = data->cdb_size; 3361 else 3362 cdb_size = softc->minimum_command_size; 3363 3364 if (cdb_size >= 10) { 3365 struct scsi_mode_header_10 *mode_header; 3366 u_int32_t data_len; 3367 3368 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3369 3370 data_len = scsi_2btoul(mode_header->data_length); 3371 3372 scsi_ulto2b(0, mode_header->data_length); 3373 /* 3374 * SONY drives do not allow a mode select with a medium_type 3375 * value that has just been returned by a mode sense; use a 3376 * medium_type of 0 (Default) instead. 3377 */ 3378 mode_header->medium_type = 0; 3379 3380 /* 3381 * Pass back whatever the drive passed to us, plus the size 3382 * of the data length field. 3383 */ 3384 param_len = data_len + sizeof(mode_header->data_length); 3385 3386 } else { 3387 struct scsi_mode_header_6 *mode_header; 3388 3389 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3390 3391 param_len = mode_header->data_length + 1; 3392 3393 mode_header->data_length = 0; 3394 /* 3395 * SONY drives do not allow a mode select with a medium_type 3396 * value that has just been returned by a mode sense; use a 3397 * medium_type of 0 (Default) instead. 3398 */ 3399 mode_header->medium_type = 0; 3400 } 3401 3402 /* Don't say we've got more room than we actually allocated */ 3403 param_len = min(param_len, data->alloc_len); 3404 3405 scsi_mode_select_len(csio, 3406 /* retries */ 1, 3407 /* cbfcnp */ cddone, 3408 /* tag_action */ MSG_SIMPLE_Q_TAG, 3409 /* scsi_page_fmt */ 1, 3410 /* save_pages */ 0, 3411 /* param_buf */ data->mode_buf, 3412 /* param_len */ param_len, 3413 /* minimum_cmd_size */ cdb_size, 3414 /* sense_len */ SSD_FULL_SIZE, 3415 /* timeout */ 50000); 3416 3417 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3418 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3419 3420 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3421 /*sense_flags*/SF_RETRY_UA); 3422 3423 xpt_release_ccb(ccb); 3424 3425 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3426 3427 return (error); 3428} 3429 3430 3431static int 3432cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3433{ 3434 struct ccb_scsiio *csio; 3435 union ccb *ccb; 3436 int error; 3437 u_int8_t cdb_len; 3438 3439 error = 0; 3440 ccb = cdgetccb(periph, /* priority */ 1); 3441 csio = &ccb->csio; 3442 /* 3443 * Use the smallest possible command to perform the operation. 3444 */ 3445 if ((len & 0xffff0000) == 0) { 3446 /* 3447 * We can fit in a 10 byte cdb. 3448 */ 3449 struct scsi_play_10 *scsi_cmd; 3450 3451 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3452 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3453 scsi_cmd->op_code = PLAY_10; 3454 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3455 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3456 cdb_len = sizeof(*scsi_cmd); 3457 } else { 3458 struct scsi_play_12 *scsi_cmd; 3459 3460 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3461 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3462 scsi_cmd->op_code = PLAY_12; 3463 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3464 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3465 cdb_len = sizeof(*scsi_cmd); 3466 } 3467 cam_fill_csio(csio, 3468 /*retries*/2, 3469 cddone, 3470 /*flags*/CAM_DIR_NONE, 3471 MSG_SIMPLE_Q_TAG, 3472 /*dataptr*/NULL, 3473 /*datalen*/0, 3474 /*sense_len*/SSD_FULL_SIZE, 3475 cdb_len, 3476 /*timeout*/50 * 1000); 3477 3478 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3479 /*sense_flags*/SF_RETRY_UA); 3480 3481 xpt_release_ccb(ccb); 3482 3483 return(error); 3484} 3485 3486static int 3487cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3488 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3489{ 3490 struct scsi_play_msf *scsi_cmd; 3491 struct ccb_scsiio *csio; 3492 union ccb *ccb; 3493 int error; 3494 3495 error = 0; 3496 3497 ccb = cdgetccb(periph, /* priority */ 1); 3498 3499 csio = &ccb->csio; 3500 3501 cam_fill_csio(csio, 3502 /* retries */ 1, 3503 /* cbfcnp */ cddone, 3504 /* flags */ CAM_DIR_NONE, 3505 /* tag_action */ MSG_SIMPLE_Q_TAG, 3506 /* data_ptr */ NULL, 3507 /* dxfer_len */ 0, 3508 /* sense_len */ SSD_FULL_SIZE, 3509 sizeof(struct scsi_play_msf), 3510 /* timeout */ 50000); 3511 3512 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3513 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3514 3515 scsi_cmd->op_code = PLAY_MSF; 3516 scsi_cmd->start_m = startm; 3517 scsi_cmd->start_s = starts; 3518 scsi_cmd->start_f = startf; 3519 scsi_cmd->end_m = endm; 3520 scsi_cmd->end_s = ends; 3521 scsi_cmd->end_f = endf; 3522 3523 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3524 /*sense_flags*/SF_RETRY_UA); 3525 3526 xpt_release_ccb(ccb); 3527 3528 return(error); 3529} 3530 3531 3532static int 3533cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3534 u_int32_t etrack, u_int32_t eindex) 3535{ 3536 struct scsi_play_track *scsi_cmd; 3537 struct ccb_scsiio *csio; 3538 union ccb *ccb; 3539 int error; 3540 3541 error = 0; 3542 3543 ccb = cdgetccb(periph, /* priority */ 1); 3544 3545 csio = &ccb->csio; 3546 3547 cam_fill_csio(csio, 3548 /* retries */ 1, 3549 /* cbfcnp */ cddone, 3550 /* flags */ CAM_DIR_NONE, 3551 /* tag_action */ MSG_SIMPLE_Q_TAG, 3552 /* data_ptr */ NULL, 3553 /* dxfer_len */ 0, 3554 /* sense_len */ SSD_FULL_SIZE, 3555 sizeof(struct scsi_play_track), 3556 /* timeout */ 50000); 3557 3558 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3559 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3560 3561 scsi_cmd->op_code = PLAY_TRACK; 3562 scsi_cmd->start_track = strack; 3563 scsi_cmd->start_index = sindex; 3564 scsi_cmd->end_track = etrack; 3565 scsi_cmd->end_index = eindex; 3566 3567 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3568 /*sense_flags*/SF_RETRY_UA); 3569 3570 xpt_release_ccb(ccb); 3571 3572 return(error); 3573} 3574 3575static int 3576cdpause(struct cam_periph *periph, u_int32_t go) 3577{ 3578 struct scsi_pause *scsi_cmd; 3579 struct ccb_scsiio *csio; 3580 union ccb *ccb; 3581 int error; 3582 3583 error = 0; 3584 3585 ccb = cdgetccb(periph, /* priority */ 1); 3586 3587 csio = &ccb->csio; 3588 3589 cam_fill_csio(csio, 3590 /* retries */ 1, 3591 /* cbfcnp */ cddone, 3592 /* flags */ CAM_DIR_NONE, 3593 /* tag_action */ MSG_SIMPLE_Q_TAG, 3594 /* data_ptr */ NULL, 3595 /* dxfer_len */ 0, 3596 /* sense_len */ SSD_FULL_SIZE, 3597 sizeof(struct scsi_pause), 3598 /* timeout */ 50000); 3599 3600 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3601 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3602 3603 scsi_cmd->op_code = PAUSE; 3604 scsi_cmd->resume = go; 3605 3606 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3607 /*sense_flags*/SF_RETRY_UA); 3608 3609 xpt_release_ccb(ccb); 3610 3611 return(error); 3612} 3613 3614static int 3615cdstartunit(struct cam_periph *periph, int load) 3616{ 3617 union ccb *ccb; 3618 int error; 3619 3620 error = 0; 3621 3622 ccb = cdgetccb(periph, /* priority */ 1); 3623 3624 scsi_start_stop(&ccb->csio, 3625 /* retries */ 1, 3626 /* cbfcnp */ cddone, 3627 /* tag_action */ MSG_SIMPLE_Q_TAG, 3628 /* start */ TRUE, 3629 /* load_eject */ load, 3630 /* immediate */ FALSE, 3631 /* sense_len */ SSD_FULL_SIZE, 3632 /* timeout */ 50000); 3633 3634 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3635 /*sense_flags*/SF_RETRY_UA); 3636 3637 xpt_release_ccb(ccb); 3638 3639 return(error); 3640} 3641 3642static int 3643cdstopunit(struct cam_periph *periph, u_int32_t eject) 3644{ 3645 union ccb *ccb; 3646 int error; 3647 3648 error = 0; 3649 3650 ccb = cdgetccb(periph, /* priority */ 1); 3651 3652 scsi_start_stop(&ccb->csio, 3653 /* retries */ 1, 3654 /* cbfcnp */ cddone, 3655 /* tag_action */ MSG_SIMPLE_Q_TAG, 3656 /* start */ FALSE, 3657 /* load_eject */ eject, 3658 /* immediate */ FALSE, 3659 /* sense_len */ SSD_FULL_SIZE, 3660 /* timeout */ 50000); 3661 3662 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3663 /*sense_flags*/SF_RETRY_UA); 3664 3665 xpt_release_ccb(ccb); 3666 3667 return(error); 3668} 3669 3670static int 3671cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3672{ 3673 struct scsi_set_speed *scsi_cmd; 3674 struct ccb_scsiio *csio; 3675 union ccb *ccb; 3676 int error; 3677 3678 error = 0; 3679 ccb = cdgetccb(periph, /* priority */ 1); 3680 csio = &ccb->csio; 3681 3682 /* Preserve old behavior: units in multiples of CDROM speed */ 3683 if (rdspeed < 177) 3684 rdspeed *= 177; 3685 if (wrspeed < 177) 3686 wrspeed *= 177; 3687 3688 cam_fill_csio(csio, 3689 /* retries */ 1, 3690 /* cbfcnp */ cddone, 3691 /* flags */ CAM_DIR_NONE, 3692 /* tag_action */ MSG_SIMPLE_Q_TAG, 3693 /* data_ptr */ NULL, 3694 /* dxfer_len */ 0, 3695 /* sense_len */ SSD_FULL_SIZE, 3696 sizeof(struct scsi_set_speed), 3697 /* timeout */ 50000); 3698 3699 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3700 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3701 3702 scsi_cmd->opcode = SET_CD_SPEED; 3703 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3704 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3705 3706 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3707 /*sense_flags*/SF_RETRY_UA); 3708 3709 xpt_release_ccb(ccb); 3710 3711 return(error); 3712} 3713 3714static int 3715cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3716{ 3717 union ccb *ccb; 3718 u_int8_t *databuf; 3719 u_int32_t lba; 3720 int error; 3721 int length; 3722 3723 error = 0; 3724 databuf = NULL; 3725 lba = 0; 3726 3727 ccb = cdgetccb(periph, /* priority */ 1); 3728 3729 switch (authinfo->format) { 3730 case DVD_REPORT_AGID: 3731 length = sizeof(struct scsi_report_key_data_agid); 3732 break; 3733 case DVD_REPORT_CHALLENGE: 3734 length = sizeof(struct scsi_report_key_data_challenge); 3735 break; 3736 case DVD_REPORT_KEY1: 3737 length = sizeof(struct scsi_report_key_data_key1_key2); 3738 break; 3739 case DVD_REPORT_TITLE_KEY: 3740 length = sizeof(struct scsi_report_key_data_title); 3741 /* The lba field is only set for the title key */ 3742 lba = authinfo->lba; 3743 break; 3744 case DVD_REPORT_ASF: 3745 length = sizeof(struct scsi_report_key_data_asf); 3746 break; 3747 case DVD_REPORT_RPC: 3748 length = sizeof(struct scsi_report_key_data_rpc); 3749 break; 3750 case DVD_INVALIDATE_AGID: 3751 length = 0; 3752 break; 3753 default: 3754 error = EINVAL; 3755 goto bailout; 3756 break; /* NOTREACHED */ 3757 } 3758 3759 if (length != 0) { 3760 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3761 } else 3762 databuf = NULL; 3763 3764 3765 scsi_report_key(&ccb->csio, 3766 /* retries */ 1, 3767 /* cbfcnp */ cddone, 3768 /* tag_action */ MSG_SIMPLE_Q_TAG, 3769 /* lba */ lba, 3770 /* agid */ authinfo->agid, 3771 /* key_format */ authinfo->format, 3772 /* data_ptr */ databuf, 3773 /* dxfer_len */ length, 3774 /* sense_len */ SSD_FULL_SIZE, 3775 /* timeout */ 50000); 3776 3777 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3778 /*sense_flags*/SF_RETRY_UA); 3779 3780 if (error != 0) 3781 goto bailout; 3782 3783 if (ccb->csio.resid != 0) { 3784 xpt_print(periph->path, "warning, residual for report key " 3785 "command is %d\n", ccb->csio.resid); 3786 } 3787 3788 switch(authinfo->format) { 3789 case DVD_REPORT_AGID: { 3790 struct scsi_report_key_data_agid *agid_data; 3791 3792 agid_data = (struct scsi_report_key_data_agid *)databuf; 3793 3794 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3795 RKD_AGID_SHIFT; 3796 break; 3797 } 3798 case DVD_REPORT_CHALLENGE: { 3799 struct scsi_report_key_data_challenge *chal_data; 3800 3801 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3802 3803 bcopy(chal_data->challenge_key, authinfo->keychal, 3804 min(sizeof(chal_data->challenge_key), 3805 sizeof(authinfo->keychal))); 3806 break; 3807 } 3808 case DVD_REPORT_KEY1: { 3809 struct scsi_report_key_data_key1_key2 *key1_data; 3810 3811 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3812 3813 bcopy(key1_data->key1, authinfo->keychal, 3814 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3815 break; 3816 } 3817 case DVD_REPORT_TITLE_KEY: { 3818 struct scsi_report_key_data_title *title_data; 3819 3820 title_data = (struct scsi_report_key_data_title *)databuf; 3821 3822 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3823 RKD_TITLE_CPM_SHIFT; 3824 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3825 RKD_TITLE_CP_SEC_SHIFT; 3826 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3827 RKD_TITLE_CMGS_SHIFT; 3828 bcopy(title_data->title_key, authinfo->keychal, 3829 min(sizeof(title_data->title_key), 3830 sizeof(authinfo->keychal))); 3831 break; 3832 } 3833 case DVD_REPORT_ASF: { 3834 struct scsi_report_key_data_asf *asf_data; 3835 3836 asf_data = (struct scsi_report_key_data_asf *)databuf; 3837 3838 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3839 break; 3840 } 3841 case DVD_REPORT_RPC: { 3842 struct scsi_report_key_data_rpc *rpc_data; 3843 3844 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3845 3846 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3847 RKD_RPC_TYPE_SHIFT; 3848 authinfo->vend_rsts = 3849 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3850 RKD_RPC_VENDOR_RESET_SHIFT; 3851 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3852 authinfo->region = rpc_data->region_mask; 3853 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3854 break; 3855 } 3856 case DVD_INVALIDATE_AGID: 3857 break; 3858 default: 3859 /* This should be impossible, since we checked above */ 3860 error = EINVAL; 3861 goto bailout; 3862 break; /* NOTREACHED */ 3863 } 3864bailout: 3865 if (databuf != NULL) 3866 free(databuf, M_DEVBUF); 3867 3868 xpt_release_ccb(ccb); 3869 3870 return(error); 3871} 3872 3873static int 3874cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3875{ 3876 union ccb *ccb; 3877 u_int8_t *databuf; 3878 int length; 3879 int error; 3880 3881 error = 0; 3882 databuf = NULL; 3883 3884 ccb = cdgetccb(periph, /* priority */ 1); 3885 3886 switch(authinfo->format) { 3887 case DVD_SEND_CHALLENGE: { 3888 struct scsi_report_key_data_challenge *challenge_data; 3889 3890 length = sizeof(*challenge_data); 3891 3892 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3893 3894 databuf = (u_int8_t *)challenge_data; 3895 3896 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3897 challenge_data->data_len); 3898 3899 bcopy(authinfo->keychal, challenge_data->challenge_key, 3900 min(sizeof(authinfo->keychal), 3901 sizeof(challenge_data->challenge_key))); 3902 break; 3903 } 3904 case DVD_SEND_KEY2: { 3905 struct scsi_report_key_data_key1_key2 *key2_data; 3906 3907 length = sizeof(*key2_data); 3908 3909 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3910 3911 databuf = (u_int8_t *)key2_data; 3912 3913 scsi_ulto2b(length - sizeof(key2_data->data_len), 3914 key2_data->data_len); 3915 3916 bcopy(authinfo->keychal, key2_data->key1, 3917 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3918 3919 break; 3920 } 3921 case DVD_SEND_RPC: { 3922 struct scsi_send_key_data_rpc *rpc_data; 3923 3924 length = sizeof(*rpc_data); 3925 3926 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3927 3928 databuf = (u_int8_t *)rpc_data; 3929 3930 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3931 rpc_data->data_len); 3932 3933 rpc_data->region_code = authinfo->region; 3934 break; 3935 } 3936 default: 3937 error = EINVAL; 3938 goto bailout; 3939 break; /* NOTREACHED */ 3940 } 3941 3942 scsi_send_key(&ccb->csio, 3943 /* retries */ 1, 3944 /* cbfcnp */ cddone, 3945 /* tag_action */ MSG_SIMPLE_Q_TAG, 3946 /* agid */ authinfo->agid, 3947 /* key_format */ authinfo->format, 3948 /* data_ptr */ databuf, 3949 /* dxfer_len */ length, 3950 /* sense_len */ SSD_FULL_SIZE, 3951 /* timeout */ 50000); 3952 3953 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3954 /*sense_flags*/SF_RETRY_UA); 3955 3956bailout: 3957 3958 if (databuf != NULL) 3959 free(databuf, M_DEVBUF); 3960 3961 xpt_release_ccb(ccb); 3962 3963 return(error); 3964} 3965 3966static int 3967cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3968{ 3969 union ccb *ccb; 3970 u_int8_t *databuf; 3971 u_int32_t address; 3972 int error; 3973 int length; 3974 3975 error = 0; 3976 databuf = NULL; 3977 /* The address is reserved for many of the formats */ 3978 address = 0; 3979 3980 ccb = cdgetccb(periph, /* priority */ 1); 3981 3982 switch(dvdstruct->format) { 3983 case DVD_STRUCT_PHYSICAL: 3984 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3985 break; 3986 case DVD_STRUCT_COPYRIGHT: 3987 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3988 break; 3989 case DVD_STRUCT_DISCKEY: 3990 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3991 break; 3992 case DVD_STRUCT_BCA: 3993 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3994 break; 3995 case DVD_STRUCT_MANUFACT: 3996 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3997 break; 3998 case DVD_STRUCT_CMI: 3999 error = ENODEV; 4000 goto bailout; 4001#ifdef notyet 4002 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4003 address = dvdstruct->address; 4004#endif 4005 break; /* NOTREACHED */ 4006 case DVD_STRUCT_PROTDISCID: 4007 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4008 break; 4009 case DVD_STRUCT_DISCKEYBLOCK: 4010 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4011 break; 4012 case DVD_STRUCT_DDS: 4013 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4014 break; 4015 case DVD_STRUCT_MEDIUM_STAT: 4016 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4017 break; 4018 case DVD_STRUCT_SPARE_AREA: 4019 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4020 break; 4021 case DVD_STRUCT_RMD_LAST: 4022 error = ENODEV; 4023 goto bailout; 4024#ifdef notyet 4025 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4026 address = dvdstruct->address; 4027#endif 4028 break; /* NOTREACHED */ 4029 case DVD_STRUCT_RMD_RMA: 4030 error = ENODEV; 4031 goto bailout; 4032#ifdef notyet 4033 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4034 address = dvdstruct->address; 4035#endif 4036 break; /* NOTREACHED */ 4037 case DVD_STRUCT_PRERECORDED: 4038 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4039 break; 4040 case DVD_STRUCT_UNIQUEID: 4041 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4042 break; 4043 case DVD_STRUCT_DCB: 4044 error = ENODEV; 4045 goto bailout; 4046#ifdef notyet 4047 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4048 address = dvdstruct->address; 4049#endif 4050 break; /* NOTREACHED */ 4051 case DVD_STRUCT_LIST: 4052 /* 4053 * This is the maximum allocation length for the READ DVD 4054 * STRUCTURE command. There's nothing in the MMC3 spec 4055 * that indicates a limit in the amount of data that can 4056 * be returned from this call, other than the limits 4057 * imposed by the 2-byte length variables. 4058 */ 4059 length = 65535; 4060 break; 4061 default: 4062 error = EINVAL; 4063 goto bailout; 4064 break; /* NOTREACHED */ 4065 } 4066 4067 if (length != 0) { 4068 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4069 } else 4070 databuf = NULL; 4071 4072 scsi_read_dvd_structure(&ccb->csio, 4073 /* retries */ 1, 4074 /* cbfcnp */ cddone, 4075 /* tag_action */ MSG_SIMPLE_Q_TAG, 4076 /* lba */ address, 4077 /* layer_number */ dvdstruct->layer_num, 4078 /* key_format */ dvdstruct->format, 4079 /* agid */ dvdstruct->agid, 4080 /* data_ptr */ databuf, 4081 /* dxfer_len */ length, 4082 /* sense_len */ SSD_FULL_SIZE, 4083 /* timeout */ 50000); 4084 4085 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4086 /*sense_flags*/SF_RETRY_UA); 4087 4088 if (error != 0) 4089 goto bailout; 4090 4091 switch(dvdstruct->format) { 4092 case DVD_STRUCT_PHYSICAL: { 4093 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4094 struct dvd_layer *outlayer; 4095 struct scsi_read_dvd_struct_data_physical *phys_data; 4096 4097 phys_data = 4098 (struct scsi_read_dvd_struct_data_physical *)databuf; 4099 inlayer = &phys_data->layer_desc; 4100 outlayer = (struct dvd_layer *)&dvdstruct->data; 4101 4102 dvdstruct->length = sizeof(*inlayer); 4103 4104 outlayer->book_type = (inlayer->book_type_version & 4105 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4106 outlayer->book_version = (inlayer->book_type_version & 4107 RDSD_BOOK_VERSION_MASK); 4108 outlayer->disc_size = (inlayer->disc_size_max_rate & 4109 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4110 outlayer->max_rate = (inlayer->disc_size_max_rate & 4111 RDSD_MAX_RATE_MASK); 4112 outlayer->nlayers = (inlayer->layer_info & 4113 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4114 outlayer->track_path = (inlayer->layer_info & 4115 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4116 outlayer->layer_type = (inlayer->layer_info & 4117 RDSD_LAYER_TYPE_MASK); 4118 outlayer->linear_density = (inlayer->density & 4119 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4120 outlayer->track_density = (inlayer->density & 4121 RDSD_TRACK_DENSITY_MASK); 4122 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4123 RDSD_BCA_SHIFT; 4124 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4125 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4126 outlayer->end_sector_l0 = 4127 scsi_3btoul(inlayer->end_sector_layer0); 4128 break; 4129 } 4130 case DVD_STRUCT_COPYRIGHT: { 4131 struct scsi_read_dvd_struct_data_copyright *copy_data; 4132 4133 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4134 databuf; 4135 4136 dvdstruct->cpst = copy_data->cps_type; 4137 dvdstruct->rmi = copy_data->region_info; 4138 dvdstruct->length = 0; 4139 4140 break; 4141 } 4142 default: 4143 /* 4144 * Tell the user what the overall length is, no matter 4145 * what we can actually fit in the data buffer. 4146 */ 4147 dvdstruct->length = length - ccb->csio.resid - 4148 sizeof(struct scsi_read_dvd_struct_data_header); 4149 4150 /* 4151 * But only actually copy out the smaller of what we read 4152 * in or what the structure can take. 4153 */ 4154 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4155 dvdstruct->data, 4156 min(sizeof(dvdstruct->data), dvdstruct->length)); 4157 break; 4158 } 4159bailout: 4160 4161 if (databuf != NULL) 4162 free(databuf, M_DEVBUF); 4163 4164 xpt_release_ccb(ccb); 4165 4166 return(error); 4167} 4168 4169void 4170scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4171 void (*cbfcnp)(struct cam_periph *, union ccb *), 4172 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4173 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4174 u_int8_t sense_len, u_int32_t timeout) 4175{ 4176 struct scsi_report_key *scsi_cmd; 4177 4178 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4179 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4180 scsi_cmd->opcode = REPORT_KEY; 4181 scsi_ulto4b(lba, scsi_cmd->lba); 4182 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4183 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4184 (key_format & RK_KF_KEYFORMAT_MASK); 4185 4186 cam_fill_csio(csio, 4187 retries, 4188 cbfcnp, 4189 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4190 tag_action, 4191 /*data_ptr*/ data_ptr, 4192 /*dxfer_len*/ dxfer_len, 4193 sense_len, 4194 sizeof(*scsi_cmd), 4195 timeout); 4196} 4197 4198void 4199scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4200 void (*cbfcnp)(struct cam_periph *, union ccb *), 4201 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4202 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4203 u_int32_t timeout) 4204{ 4205 struct scsi_send_key *scsi_cmd; 4206 4207 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4208 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4209 scsi_cmd->opcode = SEND_KEY; 4210 4211 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4212 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4213 (key_format & RK_KF_KEYFORMAT_MASK); 4214 4215 cam_fill_csio(csio, 4216 retries, 4217 cbfcnp, 4218 /*flags*/ CAM_DIR_OUT, 4219 tag_action, 4220 /*data_ptr*/ data_ptr, 4221 /*dxfer_len*/ dxfer_len, 4222 sense_len, 4223 sizeof(*scsi_cmd), 4224 timeout); 4225} 4226 4227 4228void 4229scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4230 void (*cbfcnp)(struct cam_periph *, union ccb *), 4231 u_int8_t tag_action, u_int32_t address, 4232 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4233 u_int8_t *data_ptr, u_int32_t dxfer_len, 4234 u_int8_t sense_len, u_int32_t timeout) 4235{ 4236 struct scsi_read_dvd_structure *scsi_cmd; 4237 4238 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4239 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4240 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4241 4242 scsi_ulto4b(address, scsi_cmd->address); 4243 scsi_cmd->layer_number = layer_number; 4244 scsi_cmd->format = format; 4245 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4246 /* The AGID is the top two bits of this byte */ 4247 scsi_cmd->agid = agid << 6; 4248 4249 cam_fill_csio(csio, 4250 retries, 4251 cbfcnp, 4252 /*flags*/ CAM_DIR_IN, 4253 tag_action, 4254 /*data_ptr*/ data_ptr, 4255 /*dxfer_len*/ dxfer_len, 4256 sense_len, 4257 sizeof(*scsi_cmd), 4258 timeout); 4259} 4260