scsi_cd.c revision 237336
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 237336 2012-06-20 18:35:36Z mav $"); 50 51#include "opt_cd.h" 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> 56#include <sys/bio.h> 57#include <sys/conf.h> 58#include <sys/disk.h> 59#include <sys/malloc.h> 60#include <sys/cdio.h> 61#include <sys/cdrio.h> 62#include <sys/dvdio.h> 63#include <sys/devicestat.h> 64#include <sys/sysctl.h> 65#include <sys/taskqueue.h> 66#include <geom/geom_disk.h> 67 68#include <cam/cam.h> 69#include <cam/cam_ccb.h> 70#include <cam/cam_periph.h> 71#include <cam/cam_xpt_periph.h> 72#include <cam/cam_queue.h> 73#include <cam/cam_sim.h> 74 75#include <cam/scsi/scsi_message.h> 76#include <cam/scsi/scsi_da.h> 77#include <cam/scsi/scsi_cd.h> 78 79#define LEADOUT 0xaa /* leadout toc entry */ 80 81struct cd_params { 82 u_int32_t blksize; 83 u_long disksize; 84}; 85 86typedef enum { 87 CD_Q_NONE = 0x00, 88 CD_Q_NO_TOUCH = 0x01, 89 CD_Q_BCD_TRACKS = 0x02, 90 CD_Q_NO_CHANGER = 0x04, 91 CD_Q_CHANGER = 0x08, 92 CD_Q_10_BYTE_ONLY = 0x10 93} cd_quirks; 94 95typedef enum { 96 CD_FLAG_INVALID = 0x0001, 97 CD_FLAG_NEW_DISC = 0x0002, 98 CD_FLAG_DISC_LOCKED = 0x0004, 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_CHANGER = 0x0040, 101 CD_FLAG_ACTIVE = 0x0080, 102 CD_FLAG_SCHED_ON_COMP = 0x0100, 103 CD_FLAG_RETRY_UA = 0x0200, 104 CD_FLAG_VALID_MEDIA = 0x0400, 105 CD_FLAG_VALID_TOC = 0x0800, 106 CD_FLAG_SCTX_INIT = 0x1000, 107 CD_FLAG_OPEN = 0x2000 108} cd_flags; 109 110typedef enum { 111 CD_CCB_PROBE = 0x01, 112 CD_CCB_BUFFER_IO = 0x02, 113 CD_CCB_WAITING = 0x03, 114 CD_CCB_TYPE_MASK = 0x0F, 115 CD_CCB_RETRY_UA = 0x10 116} cd_ccb_state; 117 118typedef enum { 119 CHANGER_TIMEOUT_SCHED = 0x01, 120 CHANGER_SHORT_TMOUT_SCHED = 0x02, 121 CHANGER_MANUAL_CALL = 0x04, 122 CHANGER_NEED_TIMEOUT = 0x08 123} cd_changer_flags; 124 125#define ccb_state ppriv_field0 126#define ccb_bp ppriv_ptr1 127 128struct cd_tocdata { 129 struct ioc_toc_header header; 130 struct cd_toc_entry entries[100]; 131}; 132 133struct cd_toc_single { 134 struct ioc_toc_header header; 135 struct cd_toc_entry entry; 136}; 137 138typedef enum { 139 CD_STATE_PROBE, 140 CD_STATE_NORMAL 141} cd_state; 142 143struct cd_softc { 144 cam_pinfo pinfo; 145 cd_state state; 146 volatile cd_flags flags; 147 struct bio_queue_head bio_queue; 148 LIST_HEAD(, ccb_hdr) pending_ccbs; 149 struct cd_params params; 150 union ccb saved_ccb; 151 cd_quirks quirks; 152 STAILQ_ENTRY(cd_softc) changer_links; 153 struct cdchanger *changer; 154 int bufs_left; 155 struct cam_periph *periph; 156 int minimum_command_size; 157 int outstanding_cmds; 158 struct task sysctl_task; 159 struct sysctl_ctx_list sysctl_ctx; 160 struct sysctl_oid *sysctl_tree; 161 STAILQ_HEAD(, cd_mode_params) mode_queue; 162 struct cd_tocdata toc; 163 struct disk *disk; 164}; 165 166struct cd_page_sizes { 167 int page; 168 int page_size; 169}; 170 171static struct cd_page_sizes cd_page_size_table[] = 172{ 173 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 174}; 175 176struct cd_quirk_entry { 177 struct scsi_inquiry_pattern inq_pat; 178 cd_quirks quirks; 179}; 180 181/* 182 * The changer quirk entries aren't strictly necessary. Basically, what 183 * they do is tell cdregister() up front that a device is a changer. 184 * Otherwise, it will figure that fact out once it sees a LUN on the device 185 * that is greater than 0. If it is known up front that a device is a changer, 186 * all I/O to the device will go through the changer scheduling routines, as 187 * opposed to the "normal" CD code. 188 * 189 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 190 * your device hangs when it gets a 10 byte command. Adding a quirk just 191 * to get rid of the informative diagnostic message is not acceptable. All 192 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 193 * referenced in a comment along with the quirk) , and must be approved by 194 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 195 * be removed until the submitter can explain why they are needed. 196 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 197 * when the CAM_NEW_TRAN_CODE work is done. 198 */ 199static struct cd_quirk_entry cd_quirk_table[] = 200{ 201 { 202 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 203 /*quirks*/ CD_Q_CHANGER 204 }, 205 { 206 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 207 "*"}, /* quirks */ CD_Q_CHANGER 208 }, 209 { 210 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 211 /* quirks */ CD_Q_CHANGER 212 }, 213 { 214 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 215 /* quirks */ CD_Q_BCD_TRACKS 216 } 217}; 218 219static disk_open_t cdopen; 220static disk_close_t cdclose; 221static disk_ioctl_t cdioctl; 222static disk_strategy_t cdstrategy; 223 224static periph_init_t cdinit; 225static periph_ctor_t cdregister; 226static periph_dtor_t cdcleanup; 227static periph_start_t cdstart; 228static periph_oninv_t cdoninvalidate; 229static void cdasync(void *callback_arg, u_int32_t code, 230 struct cam_path *path, void *arg); 231static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 232static void cdshorttimeout(void *arg); 233static void cdschedule(struct cam_periph *periph, int priority); 234static void cdrunchangerqueue(void *arg); 235static void cdchangerschedule(struct cd_softc *softc); 236static int cdrunccb(union ccb *ccb, 237 int (*error_routine)(union ccb *ccb, 238 u_int32_t cam_flags, 239 u_int32_t sense_flags), 240 u_int32_t cam_flags, u_int32_t sense_flags); 241static union ccb *cdgetccb(struct cam_periph *periph, 242 u_int32_t priority); 243static void cddone(struct cam_periph *periph, 244 union ccb *start_ccb); 245static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 246static int cdgetpagesize(int page_num); 247static void cdprevent(struct cam_periph *periph, int action); 248static int cdcheckmedia(struct cam_periph *periph); 249static int cdsize(struct cam_periph *periph, u_int32_t *size); 250static int cd6byteworkaround(union ccb *ccb); 251static int cderror(union ccb *ccb, u_int32_t cam_flags, 252 u_int32_t sense_flags); 253static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 254 u_int32_t start, u_int8_t *data, 255 u_int32_t len, u_int32_t sense_flags); 256static int cdgetmode(struct cam_periph *periph, 257 struct cd_mode_params *data, u_int32_t page); 258static int cdsetmode(struct cam_periph *periph, 259 struct cd_mode_params *data); 260static int cdplay(struct cam_periph *periph, u_int32_t blk, 261 u_int32_t len); 262static int cdreadsubchannel(struct cam_periph *periph, 263 u_int32_t mode, u_int32_t format, 264 int track, 265 struct cd_sub_channel_info *data, 266 u_int32_t len); 267static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 268 u_int32_t starts, u_int32_t startf, 269 u_int32_t endm, u_int32_t ends, 270 u_int32_t endf); 271static int cdplaytracks(struct cam_periph *periph, 272 u_int32_t strack, u_int32_t sindex, 273 u_int32_t etrack, u_int32_t eindex); 274static int cdpause(struct cam_periph *periph, u_int32_t go); 275static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 276static int cdstartunit(struct cam_periph *periph, int load); 277static int cdsetspeed(struct cam_periph *periph, 278 u_int32_t rdspeed, u_int32_t wrspeed); 279static int cdreportkey(struct cam_periph *periph, 280 struct dvd_authinfo *authinfo); 281static int cdsendkey(struct cam_periph *periph, 282 struct dvd_authinfo *authinfo); 283static int cdreaddvdstructure(struct cam_periph *periph, 284 struct dvd_struct *dvdstruct); 285 286static struct periph_driver cddriver = 287{ 288 cdinit, "cd", 289 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 290}; 291 292PERIPHDRIVER_DECLARE(cd, cddriver); 293 294#ifndef CD_DEFAULT_RETRY 295#define CD_DEFAULT_RETRY 4 296#endif 297#ifndef CHANGER_MIN_BUSY_SECONDS 298#define CHANGER_MIN_BUSY_SECONDS 5 299#endif 300#ifndef CHANGER_MAX_BUSY_SECONDS 301#define CHANGER_MAX_BUSY_SECONDS 15 302#endif 303 304static int cd_retry_count = CD_DEFAULT_RETRY; 305static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 306static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 307 308static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 309static SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, 310 "CD Changer"); 311SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 312 &cd_retry_count, 0, "Normal I/O retry count"); 313TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 314SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 315 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 316TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 317SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 318 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 319TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 320 321struct cdchanger { 322 path_id_t path_id; 323 target_id_t target_id; 324 int num_devices; 325 struct camq devq; 326 struct timeval start_time; 327 struct cd_softc *cur_device; 328 struct callout short_handle; 329 struct callout long_handle; 330 volatile cd_changer_flags flags; 331 STAILQ_ENTRY(cdchanger) changer_links; 332 STAILQ_HEAD(chdevlist, cd_softc) chluns; 333}; 334 335static struct mtx changerq_mtx; 336static STAILQ_HEAD(changerlist, cdchanger) changerq; 337static int num_changers; 338 339static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 340 341static void 342cdinit(void) 343{ 344 cam_status status; 345 346 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 347 STAILQ_INIT(&changerq); 348 349 /* 350 * Install a global async callback. This callback will 351 * receive async callbacks like "new device found". 352 */ 353 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 354 355 if (status != CAM_REQ_CMP) { 356 printf("cd: Failed to attach master async callback " 357 "due to status 0x%x!\n", status); 358 } 359} 360 361static void 362cdoninvalidate(struct cam_periph *periph) 363{ 364 struct cd_softc *softc; 365 366 softc = (struct cd_softc *)periph->softc; 367 368 /* 369 * De-register any async callbacks. 370 */ 371 xpt_register_async(0, cdasync, periph, periph->path); 372 373 softc->flags |= CD_FLAG_INVALID; 374 375 /* 376 * Return all queued I/O with ENXIO. 377 * XXX Handle any transactions queued to the card 378 * with XPT_ABORT_CCB. 379 */ 380 bioq_flush(&softc->bio_queue, NULL, ENXIO); 381 382 /* 383 * If this device is part of a changer, and it was scheduled 384 * to run, remove it from the run queue since we just nuked 385 * all of its scheduled I/O. 386 */ 387 if ((softc->flags & CD_FLAG_CHANGER) 388 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 389 camq_remove(&softc->changer->devq, softc->pinfo.index); 390 391 disk_gone(softc->disk); 392 xpt_print(periph->path, "lost device\n"); 393} 394 395static void 396cdcleanup(struct cam_periph *periph) 397{ 398 struct cd_softc *softc; 399 400 softc = (struct cd_softc *)periph->softc; 401 402 xpt_print(periph->path, "removing device entry\n"); 403 404 /* 405 * In the queued, non-active case, the device in question 406 * has already been removed from the changer run queue. Since this 407 * device is active, we need to de-activate it, and schedule 408 * another device to run. (if there is another one to run) 409 */ 410 if ((softc->flags & CD_FLAG_CHANGER) 411 && (softc->flags & CD_FLAG_ACTIVE)) { 412 413 /* 414 * The purpose of the short timeout is soley to determine 415 * whether the current device has finished or not. Well, 416 * since we're removing the active device, we know that it 417 * is finished. So, get rid of the short timeout. 418 * Otherwise, if we're in the time period before the short 419 * timeout fires, and there are no other devices in the 420 * queue to run, there won't be any other device put in the 421 * active slot. i.e., when we call cdrunchangerqueue() 422 * below, it won't do anything. Then, when the short 423 * timeout fires, it'll look at the "current device", which 424 * we are free below, and possibly panic the kernel on a 425 * bogus pointer reference. 426 * 427 * The long timeout doesn't really matter, since we 428 * decrement the qfrozen_cnt to indicate that there is 429 * nothing in the active slot now. Therefore, there won't 430 * be any bogus pointer references there. 431 */ 432 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 433 callout_stop(&softc->changer->short_handle); 434 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 435 } 436 softc->changer->devq.qfrozen_cnt[0]--; 437 softc->changer->flags |= CHANGER_MANUAL_CALL; 438 cdrunchangerqueue(softc->changer); 439 } 440 441 /* 442 * If we're removing the last device on the changer, go ahead and 443 * remove the changer device structure. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (--softc->changer->num_devices == 0)) { 447 448 /* 449 * Theoretically, there shouldn't be any timeouts left, but 450 * I'm not completely sure that that will be the case. So, 451 * it won't hurt to check and see if there are any left. 452 */ 453 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 454 callout_stop(&softc->changer->long_handle); 455 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 456 } 457 458 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 459 callout_stop(&softc->changer->short_handle); 460 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 461 } 462 463 mtx_lock(&changerq_mtx); 464 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 465 changer_links); 466 num_changers--; 467 mtx_unlock(&changerq_mtx); 468 xpt_print(periph->path, "removing changer entry\n"); 469 free(softc->changer, M_DEVBUF); 470 } 471 cam_periph_unlock(periph); 472 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 473 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 474 xpt_print(periph->path, "can't remove sysctl context\n"); 475 } 476 477 disk_destroy(softc->disk); 478 free(softc, M_DEVBUF); 479 cam_periph_lock(periph); 480} 481 482static void 483cdasync(void *callback_arg, u_int32_t code, 484 struct cam_path *path, void *arg) 485{ 486 struct cam_periph *periph; 487 488 periph = (struct cam_periph *)callback_arg; 489 switch (code) { 490 case AC_FOUND_DEVICE: 491 { 492 struct ccb_getdev *cgd; 493 cam_status status; 494 495 cgd = (struct ccb_getdev *)arg; 496 if (cgd == NULL) 497 break; 498 499 if (cgd->protocol != PROTO_SCSI) 500 break; 501 502 if (SID_TYPE(&cgd->inq_data) != T_CDROM 503 && SID_TYPE(&cgd->inq_data) != T_WORM) 504 break; 505 506 /* 507 * Allocate a peripheral instance for 508 * this device and start the probe 509 * process. 510 */ 511 status = cam_periph_alloc(cdregister, cdoninvalidate, 512 cdcleanup, cdstart, 513 "cd", CAM_PERIPH_BIO, 514 cgd->ccb_h.path, cdasync, 515 AC_FOUND_DEVICE, cgd); 516 517 if (status != CAM_REQ_CMP 518 && status != CAM_REQ_INPROG) 519 printf("cdasync: Unable to attach new device " 520 "due to status 0x%x\n", status); 521 522 break; 523 } 524 case AC_SENT_BDR: 525 case AC_BUS_RESET: 526 { 527 struct cd_softc *softc; 528 struct ccb_hdr *ccbh; 529 530 softc = (struct cd_softc *)periph->softc; 531 /* 532 * Don't fail on the expected unit attention 533 * that will occur. 534 */ 535 softc->flags |= CD_FLAG_RETRY_UA; 536 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 537 ccbh->ccb_state |= CD_CCB_RETRY_UA; 538 /* FALLTHROUGH */ 539 } 540 default: 541 cam_periph_async(periph, code, path, arg); 542 break; 543 } 544} 545 546static void 547cdsysctlinit(void *context, int pending) 548{ 549 struct cam_periph *periph; 550 struct cd_softc *softc; 551 char tmpstr[80], tmpstr2[80]; 552 553 periph = (struct cam_periph *)context; 554 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 555 return; 556 557 softc = (struct cd_softc *)periph->softc; 558 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 559 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 560 561 sysctl_ctx_init(&softc->sysctl_ctx); 562 softc->flags |= CD_FLAG_SCTX_INIT; 563 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 564 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 565 tmpstr2, CTLFLAG_RD, 0, tmpstr); 566 567 if (softc->sysctl_tree == NULL) { 568 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 569 cam_periph_release(periph); 570 return; 571 } 572 573 /* 574 * Now register the sysctl handler, so the user can the value on 575 * the fly. 576 */ 577 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 578 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 579 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 580 "Minimum CDB size"); 581 582 cam_periph_release(periph); 583} 584 585/* 586 * We have a handler function for this so we can check the values when the 587 * user sets them, instead of every time we look at them. 588 */ 589static int 590cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 591{ 592 int error, value; 593 594 value = *(int *)arg1; 595 596 error = sysctl_handle_int(oidp, &value, 0, req); 597 598 if ((error != 0) 599 || (req->newptr == NULL)) 600 return (error); 601 602 /* 603 * The only real values we can have here are 6 or 10. I don't 604 * really forsee having 12 be an option at any time in the future. 605 * So if the user sets something less than or equal to 6, we'll set 606 * it to 6. If he sets something greater than 6, we'll set it to 10. 607 * 608 * I suppose we could just return an error here for the wrong values, 609 * but I don't think it's necessary to do so, as long as we can 610 * determine the user's intent without too much trouble. 611 */ 612 if (value < 6) 613 value = 6; 614 else if (value > 6) 615 value = 10; 616 617 *(int *)arg1 = value; 618 619 return (0); 620} 621 622static cam_status 623cdregister(struct cam_periph *periph, void *arg) 624{ 625 struct cd_softc *softc; 626 struct ccb_pathinq cpi; 627 struct ccb_getdev *cgd; 628 char tmpstr[80]; 629 caddr_t match; 630 631 cgd = (struct ccb_getdev *)arg; 632 if (periph == NULL) { 633 printf("cdregister: periph was NULL!!\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 if (cgd == NULL) { 637 printf("cdregister: no getdev CCB, can't register device\n"); 638 return(CAM_REQ_CMP_ERR); 639 } 640 641 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 642 M_NOWAIT | M_ZERO); 643 if (softc == NULL) { 644 printf("cdregister: Unable to probe new device. " 645 "Unable to allocate softc\n"); 646 return(CAM_REQ_CMP_ERR); 647 } 648 649 LIST_INIT(&softc->pending_ccbs); 650 STAILQ_INIT(&softc->mode_queue); 651 softc->state = CD_STATE_PROBE; 652 bioq_init(&softc->bio_queue); 653 if (SID_IS_REMOVABLE(&cgd->inq_data)) 654 softc->flags |= CD_FLAG_DISC_REMOVABLE; 655 656 periph->softc = softc; 657 softc->periph = periph; 658 659 /* 660 * See if this device has any quirks. 661 */ 662 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 663 (caddr_t)cd_quirk_table, 664 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 665 sizeof(*cd_quirk_table), scsi_inquiry_match); 666 667 if (match != NULL) 668 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 669 else 670 softc->quirks = CD_Q_NONE; 671 672 /* Check if the SIM does not want 6 byte commands */ 673 bzero(&cpi, sizeof(cpi)); 674 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 675 cpi.ccb_h.func_code = XPT_PATH_INQ; 676 xpt_action((union ccb *)&cpi); 677 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 678 softc->quirks |= CD_Q_10_BYTE_ONLY; 679 680 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 681 682 /* The default is 6 byte commands, unless quirked otherwise */ 683 if (softc->quirks & CD_Q_10_BYTE_ONLY) 684 softc->minimum_command_size = 10; 685 else 686 softc->minimum_command_size = 6; 687 688 /* 689 * Refcount and block open attempts until we are setup 690 * Can't block 691 */ 692 (void)cam_periph_hold(periph, PRIBIO); 693 cam_periph_unlock(periph); 694 /* 695 * Load the user's default, if any. 696 */ 697 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 698 periph->unit_number); 699 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 700 701 /* 6 and 10 are the only permissible values here. */ 702 if (softc->minimum_command_size < 6) 703 softc->minimum_command_size = 6; 704 else if (softc->minimum_command_size > 6) 705 softc->minimum_command_size = 10; 706 707 /* 708 * We need to register the statistics structure for this device, 709 * but we don't have the blocksize yet for it. So, we register 710 * the structure and indicate that we don't have the blocksize 711 * yet. Unlike other SCSI peripheral drivers, we explicitly set 712 * the device type here to be CDROM, rather than just ORing in 713 * the device type. This is because this driver can attach to either 714 * CDROM or WORM devices, and we want this peripheral driver to 715 * show up in the devstat list as a CD peripheral driver, not a 716 * WORM peripheral driver. WORM drives will also have the WORM 717 * driver attached to them. 718 */ 719 softc->disk = disk_alloc(); 720 softc->disk->d_devstat = devstat_new_entry("cd", 721 periph->unit_number, 0, 722 DEVSTAT_BS_UNAVAILABLE, 723 DEVSTAT_TYPE_CDROM | 724 XPORT_DEVSTAT_TYPE(cpi.transport), 725 DEVSTAT_PRIORITY_CD); 726 softc->disk->d_open = cdopen; 727 softc->disk->d_close = cdclose; 728 softc->disk->d_strategy = cdstrategy; 729 softc->disk->d_ioctl = cdioctl; 730 softc->disk->d_name = "cd"; 731 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 732 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 733 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 734 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 735 cgd->inq_data.product, sizeof(cgd->inq_data.product), 736 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 737 softc->disk->d_unit = periph->unit_number; 738 softc->disk->d_drv1 = periph; 739 if (cpi.maxio == 0) 740 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 741 else if (cpi.maxio > MAXPHYS) 742 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 743 else 744 softc->disk->d_maxsize = cpi.maxio; 745 softc->disk->d_flags = 0; 746 softc->disk->d_hba_vendor = cpi.hba_vendor; 747 softc->disk->d_hba_device = cpi.hba_device; 748 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 749 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 750 disk_create(softc->disk, DISK_VERSION); 751 cam_periph_lock(periph); 752 753 /* 754 * Add an async callback so that we get 755 * notified if this device goes away. 756 */ 757 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 758 cdasync, periph, periph->path); 759 760 /* 761 * If the target lun is greater than 0, we most likely have a CD 762 * changer device. Check the quirk entries as well, though, just 763 * in case someone has a CD tower with one lun per drive or 764 * something like that. Also, if we know up front that a 765 * particular device is a changer, we can mark it as such starting 766 * with lun 0, instead of lun 1. It shouldn't be necessary to have 767 * a quirk entry to define something as a changer, however. 768 */ 769 if (((cgd->ccb_h.target_lun > 0) 770 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 771 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 772 struct cdchanger *nchanger; 773 struct cam_periph *nperiph; 774 struct cam_path *path; 775 cam_status status; 776 int found; 777 778 /* Set the changer flag in the current device's softc */ 779 softc->flags |= CD_FLAG_CHANGER; 780 781 /* 782 * Now, look around for an existing changer device with the 783 * same path and target ID as the current device. 784 */ 785 mtx_lock(&changerq_mtx); 786 for (found = 0, 787 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 788 nchanger != NULL; 789 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 790 if ((nchanger->path_id == cgd->ccb_h.path_id) 791 && (nchanger->target_id == cgd->ccb_h.target_id)) { 792 found = 1; 793 break; 794 } 795 } 796 mtx_unlock(&changerq_mtx); 797 798 /* 799 * If we found a matching entry, just add this device to 800 * the list of devices on this changer. 801 */ 802 if (found == 1) { 803 struct chdevlist *chlunhead; 804 805 chlunhead = &nchanger->chluns; 806 807 /* 808 * XXX KDM look at consolidating this code with the 809 * code below in a separate function. 810 */ 811 812 /* 813 * Create a path with lun id 0, and see if we can 814 * find a matching device 815 */ 816 status = xpt_create_path(&path, /*periph*/ periph, 817 cgd->ccb_h.path_id, 818 cgd->ccb_h.target_id, 0); 819 820 if ((status == CAM_REQ_CMP) 821 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 822 struct cd_softc *nsoftc; 823 824 nsoftc = (struct cd_softc *)nperiph->softc; 825 826 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 827 nsoftc->flags |= CD_FLAG_CHANGER; 828 nchanger->num_devices++; 829 if (camq_resize(&nchanger->devq, 830 nchanger->num_devices)!=CAM_REQ_CMP){ 831 printf("cdregister: " 832 "camq_resize " 833 "failed, changer " 834 "support may " 835 "be messed up\n"); 836 } 837 nsoftc->changer = nchanger; 838 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 839 840 STAILQ_INSERT_TAIL(&nchanger->chluns, 841 nsoftc,changer_links); 842 } 843 xpt_free_path(path); 844 } else if (status == CAM_REQ_CMP) 845 xpt_free_path(path); 846 else { 847 printf("cdregister: unable to allocate path\n" 848 "cdregister: changer support may be " 849 "broken\n"); 850 } 851 852 nchanger->num_devices++; 853 854 softc->changer = nchanger; 855 softc->pinfo.index = CAM_UNQUEUED_INDEX; 856 857 if (camq_resize(&nchanger->devq, 858 nchanger->num_devices) != CAM_REQ_CMP) { 859 printf("cdregister: camq_resize " 860 "failed, changer support may " 861 "be messed up\n"); 862 } 863 864 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 865 } 866 /* 867 * In this case, we don't already have an entry for this 868 * particular changer, so we need to create one, add it to 869 * the queue, and queue this device on the list for this 870 * changer. Before we queue this device, however, we need 871 * to search for lun id 0 on this target, and add it to the 872 * queue first, if it exists. (and if it hasn't already 873 * been marked as part of the changer.) 874 */ 875 else { 876 nchanger = malloc(sizeof(struct cdchanger), 877 M_DEVBUF, M_NOWAIT | M_ZERO); 878 if (nchanger == NULL) { 879 softc->flags &= ~CD_FLAG_CHANGER; 880 printf("cdregister: unable to malloc " 881 "changer structure\ncdregister: " 882 "changer support disabled\n"); 883 884 /* 885 * Yes, gotos can be gross but in this case 886 * I think it's justified.. 887 */ 888 goto cdregisterexit; 889 } 890 if (camq_init(&nchanger->devq, 1) != 0) { 891 softc->flags &= ~CD_FLAG_CHANGER; 892 printf("cdregister: changer support " 893 "disabled\n"); 894 goto cdregisterexit; 895 } 896 897 nchanger->path_id = cgd->ccb_h.path_id; 898 nchanger->target_id = cgd->ccb_h.target_id; 899 900 /* this is superfluous, but it makes things clearer */ 901 nchanger->num_devices = 0; 902 903 STAILQ_INIT(&nchanger->chluns); 904 905 callout_init_mtx(&nchanger->long_handle, 906 periph->sim->mtx, 0); 907 callout_init_mtx(&nchanger->short_handle, 908 periph->sim->mtx, 0); 909 910 mtx_lock(&changerq_mtx); 911 num_changers++; 912 STAILQ_INSERT_TAIL(&changerq, nchanger, 913 changer_links); 914 mtx_unlock(&changerq_mtx); 915 916 /* 917 * Create a path with lun id 0, and see if we can 918 * find a matching device 919 */ 920 status = xpt_create_path(&path, /*periph*/ periph, 921 cgd->ccb_h.path_id, 922 cgd->ccb_h.target_id, 0); 923 924 /* 925 * If we were able to allocate the path, and if we 926 * find a matching device and it isn't already 927 * marked as part of a changer, then we add it to 928 * the current changer. 929 */ 930 if ((status == CAM_REQ_CMP) 931 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 932 && ((((struct cd_softc *)periph->softc)->flags & 933 CD_FLAG_CHANGER) == 0)) { 934 struct cd_softc *nsoftc; 935 936 nsoftc = (struct cd_softc *)nperiph->softc; 937 938 nsoftc->flags |= CD_FLAG_CHANGER; 939 nchanger->num_devices++; 940 if (camq_resize(&nchanger->devq, 941 nchanger->num_devices) != CAM_REQ_CMP) { 942 printf("cdregister: camq_resize " 943 "failed, changer support may " 944 "be messed up\n"); 945 } 946 nsoftc->changer = nchanger; 947 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 948 949 STAILQ_INSERT_TAIL(&nchanger->chluns, 950 nsoftc, changer_links); 951 xpt_free_path(path); 952 } else if (status == CAM_REQ_CMP) 953 xpt_free_path(path); 954 else { 955 printf("cdregister: unable to allocate path\n" 956 "cdregister: changer support may be " 957 "broken\n"); 958 } 959 960 softc->changer = nchanger; 961 softc->pinfo.index = CAM_UNQUEUED_INDEX; 962 nchanger->num_devices++; 963 if (camq_resize(&nchanger->devq, 964 nchanger->num_devices) != CAM_REQ_CMP) { 965 printf("cdregister: camq_resize " 966 "failed, changer support may " 967 "be messed up\n"); 968 } 969 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 970 changer_links); 971 } 972 } 973 974cdregisterexit: 975 976 if ((softc->flags & CD_FLAG_CHANGER) == 0) 977 xpt_schedule(periph, CAM_PRIORITY_DEV); 978 else 979 cdschedule(periph, CAM_PRIORITY_DEV); 980 981 return(CAM_REQ_CMP); 982} 983 984static int 985cdopen(struct disk *dp) 986{ 987 struct cam_periph *periph; 988 struct cd_softc *softc; 989 int error; 990 991 periph = (struct cam_periph *)dp->d_drv1; 992 if (periph == NULL) 993 return (ENXIO); 994 995 softc = (struct cd_softc *)periph->softc; 996 997 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 998 return(ENXIO); 999 1000 cam_periph_lock(periph); 1001 1002 if (softc->flags & CD_FLAG_INVALID) { 1003 cam_periph_unlock(periph); 1004 cam_periph_release(periph); 1005 return(ENXIO); 1006 } 1007 1008 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1009 cam_periph_unlock(periph); 1010 cam_periph_release(periph); 1011 return (error); 1012 } 1013 1014 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1015 ("cdopen\n")); 1016 1017 /* 1018 * Check for media, and set the appropriate flags. We don't bail 1019 * if we don't have media, but then we don't allow anything but the 1020 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1021 */ 1022 cdcheckmedia(periph); 1023 1024 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1025 cam_periph_unhold(periph); 1026 1027 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1028 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1029 softc->flags |= CD_FLAG_OPEN; 1030 cam_periph_unlock(periph); 1031 } else { 1032 cam_periph_unlock(periph); 1033 cam_periph_release(periph); 1034 } 1035 1036 return (0); 1037} 1038 1039static int 1040cdclose(struct disk *dp) 1041{ 1042 struct cam_periph *periph; 1043 struct cd_softc *softc; 1044 1045 periph = (struct cam_periph *)dp->d_drv1; 1046 if (periph == NULL) 1047 return (ENXIO); 1048 1049 softc = (struct cd_softc *)periph->softc; 1050 1051 cam_periph_lock(periph); 1052 if (cam_periph_hold(periph, PRIBIO) != 0) { 1053 cam_periph_unlock(periph); 1054 cam_periph_release(periph); 1055 return (0); 1056 } 1057 1058 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1059 ("cdclose\n")); 1060 1061 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1062 cdprevent(periph, PR_ALLOW); 1063 1064 /* 1065 * Since we're closing this CD, mark the blocksize as unavailable. 1066 * It will be marked as available when the CD is opened again. 1067 */ 1068 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1069 1070 /* 1071 * We'll check the media and toc again at the next open(). 1072 */ 1073 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1074 1075 cam_periph_unhold(periph); 1076 cam_periph_unlock(periph); 1077 cam_periph_release(periph); 1078 1079 return (0); 1080} 1081 1082static void 1083cdshorttimeout(void *arg) 1084{ 1085 struct cdchanger *changer; 1086 1087 changer = (struct cdchanger *)arg; 1088 1089 /* Always clear the short timeout flag, since that's what we're in */ 1090 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1091 1092 /* 1093 * Check to see if there is any more pending or outstanding I/O for 1094 * this device. If not, move it out of the active slot. 1095 */ 1096 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1097 && (changer->cur_device->outstanding_cmds == 0)) { 1098 changer->flags |= CHANGER_MANUAL_CALL; 1099 cdrunchangerqueue(changer); 1100 } 1101} 1102 1103/* 1104 * This is a wrapper for xpt_schedule. It only applies to changers. 1105 */ 1106static void 1107cdschedule(struct cam_periph *periph, int priority) 1108{ 1109 struct cd_softc *softc; 1110 1111 softc = (struct cd_softc *)periph->softc; 1112 1113 /* 1114 * If this device isn't currently queued, and if it isn't 1115 * the active device, then we queue this device and run the 1116 * changer queue if there is no timeout scheduled to do it. 1117 * If this device is the active device, just schedule it 1118 * to run again. If this device is queued, there should be 1119 * a timeout in place already that will make sure it runs. 1120 */ 1121 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1122 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1123 /* 1124 * We don't do anything with the priority here. 1125 * This is strictly a fifo queue. 1126 */ 1127 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1128 softc->pinfo.generation = ++softc->changer->devq.generation; 1129 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1130 1131 /* 1132 * Since we just put a device in the changer queue, 1133 * check and see if there is a timeout scheduled for 1134 * this changer. If so, let the timeout handle 1135 * switching this device into the active slot. If 1136 * not, manually call the timeout routine to 1137 * bootstrap things. 1138 */ 1139 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1140 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1141 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1142 softc->changer->flags |= CHANGER_MANUAL_CALL; 1143 cdrunchangerqueue(softc->changer); 1144 } 1145 } else if ((softc->flags & CD_FLAG_ACTIVE) 1146 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1147 xpt_schedule(periph, priority); 1148} 1149 1150static void 1151cdrunchangerqueue(void *arg) 1152{ 1153 struct cd_softc *softc; 1154 struct cdchanger *changer; 1155 int called_from_timeout; 1156 1157 changer = (struct cdchanger *)arg; 1158 1159 /* 1160 * If we have NOT been called from cdstrategy() or cddone(), and 1161 * instead from a timeout routine, go ahead and clear the 1162 * timeout flag. 1163 */ 1164 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1165 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1166 called_from_timeout = 1; 1167 } else 1168 called_from_timeout = 0; 1169 1170 /* Always clear the manual call flag */ 1171 changer->flags &= ~CHANGER_MANUAL_CALL; 1172 1173 /* nothing to do if the queue is empty */ 1174 if (changer->devq.entries <= 0) { 1175 return; 1176 } 1177 1178 /* 1179 * If the changer queue is frozen, that means we have an active 1180 * device. 1181 */ 1182 if (changer->devq.qfrozen_cnt[0] > 0) { 1183 1184 /* 1185 * We always need to reset the frozen count and clear the 1186 * active flag. 1187 */ 1188 changer->devq.qfrozen_cnt[0]--; 1189 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1190 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1191 1192 if (changer->cur_device->outstanding_cmds > 0) { 1193 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1194 changer->cur_device->bufs_left = 1195 changer->cur_device->outstanding_cmds; 1196 if (called_from_timeout) { 1197 callout_reset(&changer->long_handle, 1198 changer_max_busy_seconds * hz, 1199 cdrunchangerqueue, changer); 1200 changer->flags |= CHANGER_TIMEOUT_SCHED; 1201 } 1202 return; 1203 } 1204 1205 /* 1206 * Check to see whether the current device has any I/O left 1207 * to do. If so, requeue it at the end of the queue. If 1208 * not, there is no need to requeue it. 1209 */ 1210 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1211 1212 changer->cur_device->pinfo.generation = 1213 ++changer->devq.generation; 1214 camq_insert(&changer->devq, 1215 (cam_pinfo *)changer->cur_device); 1216 } 1217 } 1218 1219 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1220 1221 changer->cur_device = softc; 1222 1223 changer->devq.qfrozen_cnt[0]++; 1224 softc->flags |= CD_FLAG_ACTIVE; 1225 1226 /* Just in case this device is waiting */ 1227 wakeup(&softc->changer); 1228 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1229 1230 /* 1231 * Get rid of any pending timeouts, and set a flag to schedule new 1232 * ones so this device gets its full time quantum. 1233 */ 1234 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1235 callout_stop(&changer->long_handle); 1236 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1237 } 1238 1239 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1240 callout_stop(&changer->short_handle); 1241 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1242 } 1243 1244 /* 1245 * We need to schedule timeouts, but we only do this after the 1246 * first transaction has completed. This eliminates the changer 1247 * switch time. 1248 */ 1249 changer->flags |= CHANGER_NEED_TIMEOUT; 1250} 1251 1252static void 1253cdchangerschedule(struct cd_softc *softc) 1254{ 1255 struct cdchanger *changer; 1256 1257 changer = softc->changer; 1258 1259 /* 1260 * If this is a changer, and this is the current device, 1261 * and this device has at least the minimum time quantum to 1262 * run, see if we can switch it out. 1263 */ 1264 if ((softc->flags & CD_FLAG_ACTIVE) 1265 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1266 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1267 /* 1268 * We try three things here. The first is that we 1269 * check to see whether the schedule on completion 1270 * flag is set. If it is, we decrement the number 1271 * of buffers left, and if it's zero, we reschedule. 1272 * Next, we check to see whether the pending buffer 1273 * queue is empty and whether there are no 1274 * outstanding transactions. If so, we reschedule. 1275 * Next, we see if the pending buffer queue is empty. 1276 * If it is, we set the number of buffers left to 1277 * the current active buffer count and set the 1278 * schedule on complete flag. 1279 */ 1280 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1281 if (--softc->bufs_left == 0) { 1282 softc->changer->flags |= 1283 CHANGER_MANUAL_CALL; 1284 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1285 cdrunchangerqueue(softc->changer); 1286 } 1287 } else if ((bioq_first(&softc->bio_queue) == NULL) 1288 && (softc->outstanding_cmds == 0)) { 1289 softc->changer->flags |= CHANGER_MANUAL_CALL; 1290 cdrunchangerqueue(softc->changer); 1291 } 1292 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1293 && (softc->flags & CD_FLAG_ACTIVE)) { 1294 1295 /* 1296 * Now that the first transaction to this 1297 * particular device has completed, we can go ahead 1298 * and schedule our timeouts. 1299 */ 1300 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1301 callout_reset(&changer->long_handle, 1302 changer_max_busy_seconds * hz, 1303 cdrunchangerqueue, changer); 1304 changer->flags |= CHANGER_TIMEOUT_SCHED; 1305 } else 1306 printf("cdchangerschedule: already have a long" 1307 " timeout!\n"); 1308 1309 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1310 callout_reset(&changer->short_handle, 1311 changer_min_busy_seconds * hz, 1312 cdshorttimeout, changer); 1313 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1314 } else 1315 printf("cdchangerschedule: already have a short " 1316 "timeout!\n"); 1317 1318 /* 1319 * We just scheduled timeouts, no need to schedule 1320 * more. 1321 */ 1322 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1323 1324 } 1325} 1326 1327static int 1328cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1329 u_int32_t cam_flags, 1330 u_int32_t sense_flags), 1331 u_int32_t cam_flags, u_int32_t sense_flags) 1332{ 1333 struct cd_softc *softc; 1334 struct cam_periph *periph; 1335 int error; 1336 1337 periph = xpt_path_periph(ccb->ccb_h.path); 1338 softc = (struct cd_softc *)periph->softc; 1339 1340 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1341 softc->disk->d_devstat); 1342 1343 if (softc->flags & CD_FLAG_CHANGER) 1344 cdchangerschedule(softc); 1345 1346 return(error); 1347} 1348 1349static union ccb * 1350cdgetccb(struct cam_periph *periph, u_int32_t priority) 1351{ 1352 struct cd_softc *softc; 1353 1354 softc = (struct cd_softc *)periph->softc; 1355 1356 if (softc->flags & CD_FLAG_CHANGER) { 1357 /* 1358 * This should work the first time this device is woken up, 1359 * but just in case it doesn't, we use a while loop. 1360 */ 1361 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1362 /* 1363 * If this changer isn't already queued, queue it up. 1364 */ 1365 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1366 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1367 softc->pinfo.generation = 1368 ++softc->changer->devq.generation; 1369 camq_insert(&softc->changer->devq, 1370 (cam_pinfo *)softc); 1371 } 1372 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1373 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1374 && ((softc->changer->flags 1375 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1376 softc->changer->flags |= CHANGER_MANUAL_CALL; 1377 cdrunchangerqueue(softc->changer); 1378 } else 1379 msleep(&softc->changer, periph->sim->mtx, 1380 PRIBIO, "cgticb", 0); 1381 } 1382 } 1383 return(cam_periph_getccb(periph, priority)); 1384} 1385 1386 1387/* 1388 * Actually translate the requested transfer into one the physical driver 1389 * can understand. The transfer is described by a buf and will include 1390 * only one physical transfer. 1391 */ 1392static void 1393cdstrategy(struct bio *bp) 1394{ 1395 struct cam_periph *periph; 1396 struct cd_softc *softc; 1397 1398 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1399 if (periph == NULL) { 1400 biofinish(bp, NULL, ENXIO); 1401 return; 1402 } 1403 1404 cam_periph_lock(periph); 1405 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1406 ("cdstrategy(%p)\n", bp)); 1407 1408 softc = (struct cd_softc *)periph->softc; 1409 1410 /* 1411 * If the device has been made invalid, error out 1412 */ 1413 if ((softc->flags & CD_FLAG_INVALID)) { 1414 cam_periph_unlock(periph); 1415 biofinish(bp, NULL, ENXIO); 1416 return; 1417 } 1418 1419 /* 1420 * If we don't have valid media, look for it before trying to 1421 * schedule the I/O. 1422 */ 1423 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1424 int error; 1425 1426 error = cdcheckmedia(periph); 1427 if (error != 0) { 1428 cam_periph_unlock(periph); 1429 biofinish(bp, NULL, error); 1430 return; 1431 } 1432 } 1433 1434 /* 1435 * Place it in the queue of disk activities for this disk 1436 */ 1437 bioq_disksort(&softc->bio_queue, bp); 1438 1439 /* 1440 * Schedule ourselves for performing the work. We do things 1441 * differently for changers. 1442 */ 1443 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1444 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1445 else 1446 cdschedule(periph, CAM_PRIORITY_NORMAL); 1447 1448 cam_periph_unlock(periph); 1449 return; 1450} 1451 1452static void 1453cdstart(struct cam_periph *periph, union ccb *start_ccb) 1454{ 1455 struct cd_softc *softc; 1456 struct bio *bp; 1457 struct ccb_scsiio *csio; 1458 struct scsi_read_capacity_data *rcap; 1459 1460 softc = (struct cd_softc *)periph->softc; 1461 1462 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1463 1464 switch (softc->state) { 1465 case CD_STATE_NORMAL: 1466 { 1467 bp = bioq_first(&softc->bio_queue); 1468 if (periph->immediate_priority <= periph->pinfo.priority) { 1469 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1470 1471 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1472 periph_links.sle); 1473 periph->immediate_priority = CAM_PRIORITY_NONE; 1474 wakeup(&periph->ccb_list); 1475 } else if (bp == NULL) { 1476 xpt_release_ccb(start_ccb); 1477 } else { 1478 bioq_remove(&softc->bio_queue, bp); 1479 1480 scsi_read_write(&start_ccb->csio, 1481 /*retries*/ cd_retry_count, 1482 /* cbfcnp */ cddone, 1483 MSG_SIMPLE_Q_TAG, 1484 /* read */bp->bio_cmd == BIO_READ, 1485 /* byte2 */ 0, 1486 /* minimum_cmd_size */ 10, 1487 /* lba */ bp->bio_offset / 1488 softc->params.blksize, 1489 bp->bio_bcount / softc->params.blksize, 1490 /* data_ptr */ bp->bio_data, 1491 /* dxfer_len */ bp->bio_bcount, 1492 /* sense_len */ SSD_FULL_SIZE, 1493 /* timeout */ 30000); 1494 /* Use READ CD command for audio tracks. */ 1495 if (softc->params.blksize == 2352) { 1496 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 1497 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 1498 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 1499 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 1500 start_ccb->csio.cdb_len = 12; 1501 } 1502 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1503 1504 1505 LIST_INSERT_HEAD(&softc->pending_ccbs, 1506 &start_ccb->ccb_h, periph_links.le); 1507 softc->outstanding_cmds++; 1508 1509 /* We expect a unit attention from this device */ 1510 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1511 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1512 softc->flags &= ~CD_FLAG_RETRY_UA; 1513 } 1514 1515 start_ccb->ccb_h.ccb_bp = bp; 1516 bp = bioq_first(&softc->bio_queue); 1517 1518 xpt_action(start_ccb); 1519 } 1520 if (bp != NULL) { 1521 /* Have more work to do, so ensure we stay scheduled */ 1522 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1523 } 1524 break; 1525 } 1526 case CD_STATE_PROBE: 1527 { 1528 1529 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1530 M_SCSICD, M_NOWAIT | M_ZERO); 1531 if (rcap == NULL) { 1532 xpt_print(periph->path, 1533 "cdstart: Couldn't malloc read_capacity data\n"); 1534 /* cd_free_periph??? */ 1535 break; 1536 } 1537 csio = &start_ccb->csio; 1538 scsi_read_capacity(csio, 1539 /*retries*/ cd_retry_count, 1540 cddone, 1541 MSG_SIMPLE_Q_TAG, 1542 rcap, 1543 SSD_FULL_SIZE, 1544 /*timeout*/20000); 1545 start_ccb->ccb_h.ccb_bp = NULL; 1546 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1547 xpt_action(start_ccb); 1548 break; 1549 } 1550 } 1551} 1552 1553static void 1554cddone(struct cam_periph *periph, union ccb *done_ccb) 1555{ 1556 struct cd_softc *softc; 1557 struct ccb_scsiio *csio; 1558 1559 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1560 1561 softc = (struct cd_softc *)periph->softc; 1562 csio = &done_ccb->csio; 1563 1564 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1565 case CD_CCB_BUFFER_IO: 1566 { 1567 struct bio *bp; 1568 int error; 1569 1570 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1571 error = 0; 1572 1573 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1574 int sf; 1575 1576 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1577 sf = SF_RETRY_UA; 1578 else 1579 sf = 0; 1580 1581 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1582 if (error == ERESTART) { 1583 /* 1584 * A retry was scheuled, so 1585 * just return. 1586 */ 1587 return; 1588 } 1589 } 1590 1591 if (error != 0) { 1592 xpt_print(periph->path, 1593 "cddone: got error %#x back\n", error); 1594 bioq_flush(&softc->bio_queue, NULL, EIO); 1595 bp->bio_resid = bp->bio_bcount; 1596 bp->bio_error = error; 1597 bp->bio_flags |= BIO_ERROR; 1598 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1599 cam_release_devq(done_ccb->ccb_h.path, 1600 /*relsim_flags*/0, 1601 /*reduction*/0, 1602 /*timeout*/0, 1603 /*getcount_only*/0); 1604 1605 } else { 1606 bp->bio_resid = csio->resid; 1607 bp->bio_error = 0; 1608 if (bp->bio_resid != 0) { 1609 /* 1610 * Short transfer ??? 1611 * XXX: not sure this is correct for partial 1612 * transfers at EOM 1613 */ 1614 bp->bio_flags |= BIO_ERROR; 1615 } 1616 } 1617 1618 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1619 softc->outstanding_cmds--; 1620 1621 if (softc->flags & CD_FLAG_CHANGER) 1622 cdchangerschedule(softc); 1623 1624 biofinish(bp, NULL, 0); 1625 break; 1626 } 1627 case CD_CCB_PROBE: 1628 { 1629 struct scsi_read_capacity_data *rdcap; 1630 char announce_buf[120]; /* 1631 * Currently (9/30/97) the 1632 * longest possible announce 1633 * buffer is 108 bytes, for the 1634 * first error case below. 1635 * That is 39 bytes for the 1636 * basic string, 16 bytes for the 1637 * biggest sense key (hardware 1638 * error), 52 bytes for the 1639 * text of the largest sense 1640 * qualifier valid for a CDROM, 1641 * (0x72, 0x03 or 0x04, 1642 * 0x03), and one byte for the 1643 * null terminating character. 1644 * To allow for longer strings, 1645 * the announce buffer is 120 1646 * bytes. 1647 */ 1648 struct cd_params *cdp; 1649 1650 cdp = &softc->params; 1651 1652 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1653 1654 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1655 cdp->blksize = scsi_4btoul (rdcap->length); 1656 1657 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1658 1659 snprintf(announce_buf, sizeof(announce_buf), 1660 "cd present [%lu x %lu byte records]", 1661 cdp->disksize, (u_long)cdp->blksize); 1662 1663 } else { 1664 int error; 1665 /* 1666 * Retry any UNIT ATTENTION type errors. They 1667 * are expected at boot. 1668 */ 1669 error = cderror(done_ccb, CAM_RETRY_SELTO, 1670 SF_RETRY_UA | SF_NO_PRINT); 1671 if (error == ERESTART) { 1672 /* 1673 * A retry was scheuled, so 1674 * just return. 1675 */ 1676 return; 1677 } else if (error != 0) { 1678 1679 struct scsi_sense_data *sense; 1680 int asc, ascq; 1681 int sense_key, error_code; 1682 int have_sense; 1683 cam_status status; 1684 struct ccb_getdev cgd; 1685 1686 /* Don't wedge this device's queue */ 1687 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1688 cam_release_devq(done_ccb->ccb_h.path, 1689 /*relsim_flags*/0, 1690 /*reduction*/0, 1691 /*timeout*/0, 1692 /*getcount_only*/0); 1693 1694 status = done_ccb->ccb_h.status; 1695 1696 xpt_setup_ccb(&cgd.ccb_h, 1697 done_ccb->ccb_h.path, 1698 CAM_PRIORITY_NORMAL); 1699 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1700 xpt_action((union ccb *)&cgd); 1701 1702 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1703 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1704 || ((status & CAM_AUTOSNS_VALID) == 0)) 1705 have_sense = FALSE; 1706 else 1707 have_sense = TRUE; 1708 1709 if (have_sense) { 1710 sense = &csio->sense_data; 1711 scsi_extract_sense_len(sense, 1712 csio->sense_len - csio->sense_resid, 1713 &error_code, &sense_key, &asc, 1714 &ascq, /*show_errors*/ 1); 1715 } 1716 /* 1717 * Attach to anything that claims to be a 1718 * CDROM or WORM device, as long as it 1719 * doesn't return a "Logical unit not 1720 * supported" (0x25) error. 1721 */ 1722 if ((have_sense) && (asc != 0x25) 1723 && (error_code == SSD_CURRENT_ERROR)) { 1724 const char *sense_key_desc; 1725 const char *asc_desc; 1726 1727 scsi_sense_desc(sense_key, asc, ascq, 1728 &cgd.inq_data, 1729 &sense_key_desc, 1730 &asc_desc); 1731 snprintf(announce_buf, 1732 sizeof(announce_buf), 1733 "Attempt to query device " 1734 "size failed: %s, %s", 1735 sense_key_desc, 1736 asc_desc); 1737 } else if ((have_sense == 0) 1738 && ((status & CAM_STATUS_MASK) == 1739 CAM_SCSI_STATUS_ERROR) 1740 && (csio->scsi_status == 1741 SCSI_STATUS_BUSY)) { 1742 snprintf(announce_buf, 1743 sizeof(announce_buf), 1744 "Attempt to query device " 1745 "size failed: SCSI Status: %s", 1746 scsi_status_string(csio)); 1747 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1748 /* 1749 * We only print out an error for 1750 * CDROM type devices. For WORM 1751 * devices, we don't print out an 1752 * error since a few WORM devices 1753 * don't support CDROM commands. 1754 * If we have sense information, go 1755 * ahead and print it out. 1756 * Otherwise, just say that we 1757 * couldn't attach. 1758 */ 1759 1760 /* 1761 * Just print out the error, not 1762 * the full probe message, when we 1763 * don't attach. 1764 */ 1765 if (have_sense) 1766 scsi_sense_print( 1767 &done_ccb->csio); 1768 else { 1769 xpt_print(periph->path, 1770 "got CAM status %#x\n", 1771 done_ccb->ccb_h.status); 1772 } 1773 xpt_print(periph->path, "fatal error, " 1774 "failed to attach to device\n"); 1775 /* 1776 * Invalidate this peripheral. 1777 */ 1778 cam_periph_invalidate(periph); 1779 1780 announce_buf[0] = '\0'; 1781 } else { 1782 1783 /* 1784 * Invalidate this peripheral. 1785 */ 1786 cam_periph_invalidate(periph); 1787 announce_buf[0] = '\0'; 1788 } 1789 } 1790 } 1791 free(rdcap, M_SCSICD); 1792 if (announce_buf[0] != '\0') { 1793 xpt_announce_periph(periph, announce_buf); 1794 if (softc->flags & CD_FLAG_CHANGER) 1795 cdchangerschedule(softc); 1796 /* 1797 * Create our sysctl variables, now that we know 1798 * we have successfully attached. 1799 */ 1800 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1801 } 1802 softc->state = CD_STATE_NORMAL; 1803 /* 1804 * Since our peripheral may be invalidated by an error 1805 * above or an external event, we must release our CCB 1806 * before releasing the probe lock on the peripheral. 1807 * The peripheral will only go away once the last lock 1808 * is removed, and we need it around for the CCB release 1809 * operation. 1810 */ 1811 xpt_release_ccb(done_ccb); 1812 cam_periph_unhold(periph); 1813 return; 1814 } 1815 case CD_CCB_WAITING: 1816 { 1817 /* Caller will release the CCB */ 1818 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1819 ("trying to wakeup ccbwait\n")); 1820 1821 wakeup(&done_ccb->ccb_h.cbfcnp); 1822 return; 1823 } 1824 default: 1825 break; 1826 } 1827 xpt_release_ccb(done_ccb); 1828} 1829 1830static union cd_pages * 1831cdgetpage(struct cd_mode_params *mode_params) 1832{ 1833 union cd_pages *page; 1834 1835 if (mode_params->cdb_size == 10) 1836 page = (union cd_pages *)find_mode_page_10( 1837 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1838 else 1839 page = (union cd_pages *)find_mode_page_6( 1840 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1841 1842 return (page); 1843} 1844 1845static int 1846cdgetpagesize(int page_num) 1847{ 1848 int i; 1849 1850 for (i = 0; i < (sizeof(cd_page_size_table)/ 1851 sizeof(cd_page_size_table[0])); i++) { 1852 if (cd_page_size_table[i].page == page_num) 1853 return (cd_page_size_table[i].page_size); 1854 } 1855 1856 return (-1); 1857} 1858 1859static int 1860cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1861{ 1862 1863 struct cam_periph *periph; 1864 struct cd_softc *softc; 1865 int nocopyout, error = 0; 1866 1867 periph = (struct cam_periph *)dp->d_drv1; 1868 if (periph == NULL) 1869 return(ENXIO); 1870 1871 cam_periph_lock(periph); 1872 1873 softc = (struct cd_softc *)periph->softc; 1874 1875 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1876 ("cdioctl(%#lx)\n", cmd)); 1877 1878 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1879 cam_periph_unlock(periph); 1880 cam_periph_release(periph); 1881 return (error); 1882 } 1883 1884 /* 1885 * If we don't have media loaded, check for it. If still don't 1886 * have media loaded, we can only do a load or eject. 1887 * 1888 * We only care whether media is loaded if this is a cd-specific ioctl 1889 * (thus the IOCGROUP check below). Note that this will break if 1890 * anyone adds any ioctls into the switch statement below that don't 1891 * have their ioctl group set to 'c'. 1892 */ 1893 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1894 && ((cmd != CDIOCCLOSE) 1895 && (cmd != CDIOCEJECT)) 1896 && (IOCGROUP(cmd) == 'c')) { 1897 error = cdcheckmedia(periph); 1898 if (error != 0) { 1899 cam_periph_unhold(periph); 1900 cam_periph_unlock(periph); 1901 return (error); 1902 } 1903 } 1904 /* 1905 * Drop the lock here so later mallocs can use WAITOK. The periph 1906 * is essentially locked still with the cam_periph_hold call above. 1907 */ 1908 cam_periph_unlock(periph); 1909 1910 nocopyout = 0; 1911 switch (cmd) { 1912 1913 case CDIOCPLAYTRACKS: 1914 { 1915 struct ioc_play_track *args 1916 = (struct ioc_play_track *) addr; 1917 struct cd_mode_params params; 1918 union cd_pages *page; 1919 1920 params.alloc_len = sizeof(union cd_mode_data_6_10); 1921 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1922 M_WAITOK | M_ZERO); 1923 1924 cam_periph_lock(periph); 1925 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1926 ("trying to do CDIOCPLAYTRACKS\n")); 1927 1928 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1929 if (error) { 1930 free(params.mode_buf, M_SCSICD); 1931 cam_periph_unlock(periph); 1932 break; 1933 } 1934 page = cdgetpage(¶ms); 1935 1936 page->audio.flags &= ~CD_PA_SOTC; 1937 page->audio.flags |= CD_PA_IMMED; 1938 error = cdsetmode(periph, ¶ms); 1939 free(params.mode_buf, M_SCSICD); 1940 if (error) { 1941 cam_periph_unlock(periph); 1942 break; 1943 } 1944 1945 /* 1946 * This was originally implemented with the PLAY 1947 * AUDIO TRACK INDEX command, but that command was 1948 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1949 * drives support it but ATAPI and ATAPI-derivative 1950 * drives don't seem to support it. So we keep a 1951 * cache of the table of contents and translate 1952 * track numbers to MSF format. 1953 */ 1954 if (softc->flags & CD_FLAG_VALID_TOC) { 1955 union msf_lba *sentry, *eentry; 1956 int st, et; 1957 1958 if (args->end_track < 1959 softc->toc.header.ending_track + 1) 1960 args->end_track++; 1961 if (args->end_track > 1962 softc->toc.header.ending_track + 1) 1963 args->end_track = 1964 softc->toc.header.ending_track + 1; 1965 st = args->start_track - 1966 softc->toc.header.starting_track; 1967 et = args->end_track - 1968 softc->toc.header.starting_track; 1969 if ((st < 0) 1970 || (et < 0) 1971 || (st > (softc->toc.header.ending_track - 1972 softc->toc.header.starting_track))) { 1973 error = EINVAL; 1974 break; 1975 } 1976 sentry = &softc->toc.entries[st].addr; 1977 eentry = &softc->toc.entries[et].addr; 1978 error = cdplaymsf(periph, 1979 sentry->msf.minute, 1980 sentry->msf.second, 1981 sentry->msf.frame, 1982 eentry->msf.minute, 1983 eentry->msf.second, 1984 eentry->msf.frame); 1985 } else { 1986 /* 1987 * If we don't have a valid TOC, try the 1988 * play track index command. It is part of 1989 * the SCSI-2 spec, but was removed in the 1990 * MMC specs. ATAPI and ATAPI-derived 1991 * drives don't support it. 1992 */ 1993 if (softc->quirks & CD_Q_BCD_TRACKS) { 1994 args->start_track = 1995 bin2bcd(args->start_track); 1996 args->end_track = 1997 bin2bcd(args->end_track); 1998 } 1999 error = cdplaytracks(periph, 2000 args->start_track, 2001 args->start_index, 2002 args->end_track, 2003 args->end_index); 2004 } 2005 cam_periph_unlock(periph); 2006 } 2007 break; 2008 case CDIOCPLAYMSF: 2009 { 2010 struct ioc_play_msf *args 2011 = (struct ioc_play_msf *) addr; 2012 struct cd_mode_params params; 2013 union cd_pages *page; 2014 2015 params.alloc_len = sizeof(union cd_mode_data_6_10); 2016 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2017 M_WAITOK | M_ZERO); 2018 2019 cam_periph_lock(periph); 2020 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2021 ("trying to do CDIOCPLAYMSF\n")); 2022 2023 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2024 if (error) { 2025 free(params.mode_buf, M_SCSICD); 2026 cam_periph_unlock(periph); 2027 break; 2028 } 2029 page = cdgetpage(¶ms); 2030 2031 page->audio.flags &= ~CD_PA_SOTC; 2032 page->audio.flags |= CD_PA_IMMED; 2033 error = cdsetmode(periph, ¶ms); 2034 free(params.mode_buf, M_SCSICD); 2035 if (error) { 2036 cam_periph_unlock(periph); 2037 break; 2038 } 2039 error = cdplaymsf(periph, 2040 args->start_m, 2041 args->start_s, 2042 args->start_f, 2043 args->end_m, 2044 args->end_s, 2045 args->end_f); 2046 cam_periph_unlock(periph); 2047 } 2048 break; 2049 case CDIOCPLAYBLOCKS: 2050 { 2051 struct ioc_play_blocks *args 2052 = (struct ioc_play_blocks *) addr; 2053 struct cd_mode_params params; 2054 union cd_pages *page; 2055 2056 params.alloc_len = sizeof(union cd_mode_data_6_10); 2057 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2058 M_WAITOK | M_ZERO); 2059 2060 cam_periph_lock(periph); 2061 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2062 ("trying to do CDIOCPLAYBLOCKS\n")); 2063 2064 2065 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2066 if (error) { 2067 free(params.mode_buf, M_SCSICD); 2068 cam_periph_unlock(periph); 2069 break; 2070 } 2071 page = cdgetpage(¶ms); 2072 2073 page->audio.flags &= ~CD_PA_SOTC; 2074 page->audio.flags |= CD_PA_IMMED; 2075 error = cdsetmode(periph, ¶ms); 2076 free(params.mode_buf, M_SCSICD); 2077 if (error) { 2078 cam_periph_unlock(periph); 2079 break; 2080 } 2081 error = cdplay(periph, args->blk, args->len); 2082 cam_periph_unlock(periph); 2083 } 2084 break; 2085 case CDIOCREADSUBCHANNEL_SYSSPACE: 2086 nocopyout = 1; 2087 /* Fallthrough */ 2088 case CDIOCREADSUBCHANNEL: 2089 { 2090 struct ioc_read_subchannel *args 2091 = (struct ioc_read_subchannel *) addr; 2092 struct cd_sub_channel_info *data; 2093 u_int32_t len = args->data_len; 2094 2095 data = malloc(sizeof(struct cd_sub_channel_info), 2096 M_SCSICD, M_WAITOK | M_ZERO); 2097 2098 cam_periph_lock(periph); 2099 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2100 ("trying to do CDIOCREADSUBCHANNEL\n")); 2101 2102 if ((len > sizeof(struct cd_sub_channel_info)) || 2103 (len < sizeof(struct cd_sub_channel_header))) { 2104 printf( 2105 "scsi_cd: cdioctl: " 2106 "cdioreadsubchannel: error, len=%d\n", 2107 len); 2108 error = EINVAL; 2109 free(data, M_SCSICD); 2110 cam_periph_unlock(periph); 2111 break; 2112 } 2113 2114 if (softc->quirks & CD_Q_BCD_TRACKS) 2115 args->track = bin2bcd(args->track); 2116 2117 error = cdreadsubchannel(periph, args->address_format, 2118 args->data_format, args->track, data, len); 2119 2120 if (error) { 2121 free(data, M_SCSICD); 2122 cam_periph_unlock(periph); 2123 break; 2124 } 2125 if (softc->quirks & CD_Q_BCD_TRACKS) 2126 data->what.track_info.track_number = 2127 bcd2bin(data->what.track_info.track_number); 2128 len = min(len, ((data->header.data_len[0] << 8) + 2129 data->header.data_len[1] + 2130 sizeof(struct cd_sub_channel_header))); 2131 cam_periph_unlock(periph); 2132 if (nocopyout == 0) { 2133 if (copyout(data, args->data, len) != 0) { 2134 error = EFAULT; 2135 } 2136 } else { 2137 bcopy(data, args->data, len); 2138 } 2139 free(data, M_SCSICD); 2140 } 2141 break; 2142 2143 case CDIOREADTOCHEADER: 2144 { 2145 struct ioc_toc_header *th; 2146 2147 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2148 M_WAITOK | M_ZERO); 2149 2150 cam_periph_lock(periph); 2151 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2152 ("trying to do CDIOREADTOCHEADER\n")); 2153 2154 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2155 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 2156 if (error) { 2157 free(th, M_SCSICD); 2158 cam_periph_unlock(periph); 2159 break; 2160 } 2161 if (softc->quirks & CD_Q_BCD_TRACKS) { 2162 /* we are going to have to convert the BCD 2163 * encoding on the cd to what is expected 2164 */ 2165 th->starting_track = 2166 bcd2bin(th->starting_track); 2167 th->ending_track = bcd2bin(th->ending_track); 2168 } 2169 th->len = ntohs(th->len); 2170 bcopy(th, addr, sizeof(*th)); 2171 free(th, M_SCSICD); 2172 cam_periph_unlock(periph); 2173 } 2174 break; 2175 case CDIOREADTOCENTRYS: 2176 { 2177 struct cd_tocdata *data; 2178 struct cd_toc_single *lead; 2179 struct ioc_read_toc_entry *te = 2180 (struct ioc_read_toc_entry *) addr; 2181 struct ioc_toc_header *th; 2182 u_int32_t len, readlen, idx, num; 2183 u_int32_t starting_track = te->starting_track; 2184 2185 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2186 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2187 2188 cam_periph_lock(periph); 2189 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2190 ("trying to do CDIOREADTOCENTRYS\n")); 2191 2192 if (te->data_len < sizeof(struct cd_toc_entry) 2193 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2194 || (te->address_format != CD_MSF_FORMAT 2195 && te->address_format != CD_LBA_FORMAT)) { 2196 error = EINVAL; 2197 printf("scsi_cd: error in readtocentries, " 2198 "returning EINVAL\n"); 2199 free(data, M_SCSICD); 2200 free(lead, M_SCSICD); 2201 cam_periph_unlock(periph); 2202 break; 2203 } 2204 2205 th = &data->header; 2206 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2207 sizeof (*th), /*sense_flags*/0); 2208 if (error) { 2209 free(data, M_SCSICD); 2210 free(lead, M_SCSICD); 2211 cam_periph_unlock(periph); 2212 break; 2213 } 2214 2215 if (softc->quirks & CD_Q_BCD_TRACKS) { 2216 /* we are going to have to convert the BCD 2217 * encoding on the cd to what is expected 2218 */ 2219 th->starting_track = 2220 bcd2bin(th->starting_track); 2221 th->ending_track = bcd2bin(th->ending_track); 2222 } 2223 2224 if (starting_track == 0) 2225 starting_track = th->starting_track; 2226 else if (starting_track == LEADOUT) 2227 starting_track = th->ending_track + 1; 2228 else if (starting_track < th->starting_track || 2229 starting_track > th->ending_track + 1) { 2230 printf("scsi_cd: error in readtocentries, " 2231 "returning EINVAL\n"); 2232 free(data, M_SCSICD); 2233 free(lead, M_SCSICD); 2234 cam_periph_unlock(periph); 2235 error = EINVAL; 2236 break; 2237 } 2238 2239 /* calculate reading length without leadout entry */ 2240 readlen = (th->ending_track - starting_track + 1) * 2241 sizeof(struct cd_toc_entry); 2242 2243 /* and with leadout entry */ 2244 len = readlen + sizeof(struct cd_toc_entry); 2245 if (te->data_len < len) { 2246 len = te->data_len; 2247 if (readlen > len) 2248 readlen = len; 2249 } 2250 if (len > sizeof(data->entries)) { 2251 printf("scsi_cd: error in readtocentries, " 2252 "returning EINVAL\n"); 2253 error = EINVAL; 2254 free(data, M_SCSICD); 2255 free(lead, M_SCSICD); 2256 cam_periph_unlock(periph); 2257 break; 2258 } 2259 num = len / sizeof(struct cd_toc_entry); 2260 2261 if (readlen > 0) { 2262 error = cdreadtoc(periph, te->address_format, 2263 starting_track, 2264 (u_int8_t *)data, 2265 readlen + sizeof (*th), 2266 /*sense_flags*/0); 2267 if (error) { 2268 free(data, M_SCSICD); 2269 free(lead, M_SCSICD); 2270 cam_periph_unlock(periph); 2271 break; 2272 } 2273 } 2274 2275 /* make leadout entry if needed */ 2276 idx = starting_track + num - 1; 2277 if (softc->quirks & CD_Q_BCD_TRACKS) 2278 th->ending_track = bcd2bin(th->ending_track); 2279 if (idx == th->ending_track + 1) { 2280 error = cdreadtoc(periph, te->address_format, 2281 LEADOUT, (u_int8_t *)lead, 2282 sizeof(*lead), 2283 /*sense_flags*/0); 2284 if (error) { 2285 free(data, M_SCSICD); 2286 free(lead, M_SCSICD); 2287 cam_periph_unlock(periph); 2288 break; 2289 } 2290 data->entries[idx - starting_track] = 2291 lead->entry; 2292 } 2293 if (softc->quirks & CD_Q_BCD_TRACKS) { 2294 for (idx = 0; idx < num - 1; idx++) { 2295 data->entries[idx].track = 2296 bcd2bin(data->entries[idx].track); 2297 } 2298 } 2299 2300 cam_periph_unlock(periph); 2301 error = copyout(data->entries, te->data, len); 2302 free(data, M_SCSICD); 2303 free(lead, M_SCSICD); 2304 } 2305 break; 2306 case CDIOREADTOCENTRY: 2307 { 2308 struct cd_toc_single *data; 2309 struct ioc_read_toc_single_entry *te = 2310 (struct ioc_read_toc_single_entry *) addr; 2311 struct ioc_toc_header *th; 2312 u_int32_t track; 2313 2314 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2315 2316 cam_periph_lock(periph); 2317 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2318 ("trying to do CDIOREADTOCENTRY\n")); 2319 2320 if (te->address_format != CD_MSF_FORMAT 2321 && te->address_format != CD_LBA_FORMAT) { 2322 printf("error in readtocentry, " 2323 " returning EINVAL\n"); 2324 free(data, M_SCSICD); 2325 error = EINVAL; 2326 cam_periph_unlock(periph); 2327 break; 2328 } 2329 2330 th = &data->header; 2331 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2332 sizeof (*th), /*sense_flags*/0); 2333 if (error) { 2334 free(data, M_SCSICD); 2335 cam_periph_unlock(periph); 2336 break; 2337 } 2338 2339 if (softc->quirks & CD_Q_BCD_TRACKS) { 2340 /* we are going to have to convert the BCD 2341 * encoding on the cd to what is expected 2342 */ 2343 th->starting_track = 2344 bcd2bin(th->starting_track); 2345 th->ending_track = bcd2bin(th->ending_track); 2346 } 2347 track = te->track; 2348 if (track == 0) 2349 track = th->starting_track; 2350 else if (track == LEADOUT) 2351 /* OK */; 2352 else if (track < th->starting_track || 2353 track > th->ending_track + 1) { 2354 printf("error in readtocentry, " 2355 " returning EINVAL\n"); 2356 free(data, M_SCSICD); 2357 error = EINVAL; 2358 cam_periph_unlock(periph); 2359 break; 2360 } 2361 2362 error = cdreadtoc(periph, te->address_format, track, 2363 (u_int8_t *)data, sizeof(*data), 2364 /*sense_flags*/0); 2365 if (error) { 2366 free(data, M_SCSICD); 2367 cam_periph_unlock(periph); 2368 break; 2369 } 2370 2371 if (softc->quirks & CD_Q_BCD_TRACKS) 2372 data->entry.track = bcd2bin(data->entry.track); 2373 bcopy(&data->entry, &te->entry, 2374 sizeof(struct cd_toc_entry)); 2375 free(data, M_SCSICD); 2376 cam_periph_unlock(periph); 2377 } 2378 break; 2379 case CDIOCSETPATCH: 2380 { 2381 struct ioc_patch *arg = (struct ioc_patch *)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 CDIOCSETPATCH\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 page->audio.port[LEFT_PORT].channels = 2402 arg->patch[0]; 2403 page->audio.port[RIGHT_PORT].channels = 2404 arg->patch[1]; 2405 page->audio.port[2].channels = arg->patch[2]; 2406 page->audio.port[3].channels = arg->patch[3]; 2407 error = cdsetmode(periph, ¶ms); 2408 free(params.mode_buf, M_SCSICD); 2409 cam_periph_unlock(periph); 2410 } 2411 break; 2412 case CDIOCGETVOL: 2413 { 2414 struct ioc_vol *arg = (struct ioc_vol *) addr; 2415 struct cd_mode_params params; 2416 union cd_pages *page; 2417 2418 params.alloc_len = sizeof(union cd_mode_data_6_10); 2419 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2420 M_WAITOK | M_ZERO); 2421 2422 cam_periph_lock(periph); 2423 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2424 ("trying to do CDIOCGETVOL\n")); 2425 2426 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2427 if (error) { 2428 free(params.mode_buf, M_SCSICD); 2429 cam_periph_unlock(periph); 2430 break; 2431 } 2432 page = cdgetpage(¶ms); 2433 2434 arg->vol[LEFT_PORT] = 2435 page->audio.port[LEFT_PORT].volume; 2436 arg->vol[RIGHT_PORT] = 2437 page->audio.port[RIGHT_PORT].volume; 2438 arg->vol[2] = page->audio.port[2].volume; 2439 arg->vol[3] = page->audio.port[3].volume; 2440 free(params.mode_buf, M_SCSICD); 2441 cam_periph_unlock(periph); 2442 } 2443 break; 2444 case CDIOCSETVOL: 2445 { 2446 struct ioc_vol *arg = (struct ioc_vol *) addr; 2447 struct cd_mode_params params; 2448 union cd_pages *page; 2449 2450 params.alloc_len = sizeof(union cd_mode_data_6_10); 2451 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2452 M_WAITOK | M_ZERO); 2453 2454 cam_periph_lock(periph); 2455 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2456 ("trying to do CDIOCSETVOL\n")); 2457 2458 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2459 if (error) { 2460 free(params.mode_buf, M_SCSICD); 2461 cam_periph_unlock(periph); 2462 break; 2463 } 2464 page = cdgetpage(¶ms); 2465 2466 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2467 page->audio.port[LEFT_PORT].volume = 2468 arg->vol[LEFT_PORT]; 2469 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2470 page->audio.port[RIGHT_PORT].volume = 2471 arg->vol[RIGHT_PORT]; 2472 page->audio.port[2].volume = arg->vol[2]; 2473 page->audio.port[3].volume = arg->vol[3]; 2474 error = cdsetmode(periph, ¶ms); 2475 cam_periph_unlock(periph); 2476 free(params.mode_buf, M_SCSICD); 2477 } 2478 break; 2479 case CDIOCSETMONO: 2480 { 2481 struct cd_mode_params params; 2482 union cd_pages *page; 2483 2484 params.alloc_len = sizeof(union cd_mode_data_6_10); 2485 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2486 M_WAITOK | M_ZERO); 2487 2488 cam_periph_lock(periph); 2489 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2490 ("trying to do CDIOCSETMONO\n")); 2491 2492 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2493 if (error) { 2494 free(params.mode_buf, M_SCSICD); 2495 cam_periph_unlock(periph); 2496 break; 2497 } 2498 page = cdgetpage(¶ms); 2499 2500 page->audio.port[LEFT_PORT].channels = 2501 LEFT_CHANNEL | RIGHT_CHANNEL; 2502 page->audio.port[RIGHT_PORT].channels = 2503 LEFT_CHANNEL | RIGHT_CHANNEL; 2504 page->audio.port[2].channels = 0; 2505 page->audio.port[3].channels = 0; 2506 error = cdsetmode(periph, ¶ms); 2507 cam_periph_unlock(periph); 2508 free(params.mode_buf, M_SCSICD); 2509 } 2510 break; 2511 case CDIOCSETSTEREO: 2512 { 2513 struct cd_mode_params params; 2514 union cd_pages *page; 2515 2516 params.alloc_len = sizeof(union cd_mode_data_6_10); 2517 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2518 M_WAITOK | M_ZERO); 2519 2520 cam_periph_lock(periph); 2521 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2522 ("trying to do CDIOCSETSTEREO\n")); 2523 2524 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2525 if (error) { 2526 free(params.mode_buf, M_SCSICD); 2527 cam_periph_unlock(periph); 2528 break; 2529 } 2530 page = cdgetpage(¶ms); 2531 2532 page->audio.port[LEFT_PORT].channels = 2533 LEFT_CHANNEL; 2534 page->audio.port[RIGHT_PORT].channels = 2535 RIGHT_CHANNEL; 2536 page->audio.port[2].channels = 0; 2537 page->audio.port[3].channels = 0; 2538 error = cdsetmode(periph, ¶ms); 2539 free(params.mode_buf, M_SCSICD); 2540 cam_periph_unlock(periph); 2541 } 2542 break; 2543 case CDIOCSETMUTE: 2544 { 2545 struct cd_mode_params params; 2546 union cd_pages *page; 2547 2548 params.alloc_len = sizeof(union cd_mode_data_6_10); 2549 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2550 M_WAITOK | M_ZERO); 2551 2552 cam_periph_lock(periph); 2553 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2554 ("trying to do CDIOCSETMUTE\n")); 2555 2556 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2557 if (error) { 2558 free(params.mode_buf, M_SCSICD); 2559 cam_periph_unlock(periph); 2560 break; 2561 } 2562 page = cdgetpage(¶ms); 2563 2564 page->audio.port[LEFT_PORT].channels = 0; 2565 page->audio.port[RIGHT_PORT].channels = 0; 2566 page->audio.port[2].channels = 0; 2567 page->audio.port[3].channels = 0; 2568 error = cdsetmode(periph, ¶ms); 2569 free(params.mode_buf, M_SCSICD); 2570 cam_periph_unlock(periph); 2571 } 2572 break; 2573 case CDIOCSETLEFT: 2574 { 2575 struct cd_mode_params params; 2576 union cd_pages *page; 2577 2578 params.alloc_len = sizeof(union cd_mode_data_6_10); 2579 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2580 M_WAITOK | M_ZERO); 2581 2582 cam_periph_lock(periph); 2583 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2584 ("trying to do CDIOCSETLEFT\n")); 2585 2586 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2587 if (error) { 2588 free(params.mode_buf, M_SCSICD); 2589 cam_periph_unlock(periph); 2590 break; 2591 } 2592 page = cdgetpage(¶ms); 2593 2594 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2595 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2596 page->audio.port[2].channels = 0; 2597 page->audio.port[3].channels = 0; 2598 error = cdsetmode(periph, ¶ms); 2599 free(params.mode_buf, M_SCSICD); 2600 cam_periph_unlock(periph); 2601 } 2602 break; 2603 case CDIOCSETRIGHT: 2604 { 2605 struct cd_mode_params params; 2606 union cd_pages *page; 2607 2608 params.alloc_len = sizeof(union cd_mode_data_6_10); 2609 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2610 M_WAITOK | M_ZERO); 2611 2612 cam_periph_lock(periph); 2613 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2614 ("trying to do CDIOCSETRIGHT\n")); 2615 2616 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2617 if (error) { 2618 free(params.mode_buf, M_SCSICD); 2619 cam_periph_unlock(periph); 2620 break; 2621 } 2622 page = cdgetpage(¶ms); 2623 2624 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2625 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2626 page->audio.port[2].channels = 0; 2627 page->audio.port[3].channels = 0; 2628 error = cdsetmode(periph, ¶ms); 2629 free(params.mode_buf, M_SCSICD); 2630 cam_periph_unlock(periph); 2631 } 2632 break; 2633 case CDIOCRESUME: 2634 cam_periph_lock(periph); 2635 error = cdpause(periph, 1); 2636 cam_periph_unlock(periph); 2637 break; 2638 case CDIOCPAUSE: 2639 cam_periph_lock(periph); 2640 error = cdpause(periph, 0); 2641 cam_periph_unlock(periph); 2642 break; 2643 case CDIOCSTART: 2644 cam_periph_lock(periph); 2645 error = cdstartunit(periph, 0); 2646 cam_periph_unlock(periph); 2647 break; 2648 case CDIOCCLOSE: 2649 cam_periph_lock(periph); 2650 error = cdstartunit(periph, 1); 2651 cam_periph_unlock(periph); 2652 break; 2653 case CDIOCSTOP: 2654 cam_periph_lock(periph); 2655 error = cdstopunit(periph, 0); 2656 cam_periph_unlock(periph); 2657 break; 2658 case CDIOCEJECT: 2659 cam_periph_lock(periph); 2660 error = cdstopunit(periph, 1); 2661 cam_periph_unlock(periph); 2662 break; 2663 case CDIOCALLOW: 2664 cam_periph_lock(periph); 2665 cdprevent(periph, PR_ALLOW); 2666 cam_periph_unlock(periph); 2667 break; 2668 case CDIOCPREVENT: 2669 cam_periph_lock(periph); 2670 cdprevent(periph, PR_PREVENT); 2671 cam_periph_unlock(periph); 2672 break; 2673 case CDIOCSETDEBUG: 2674 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2675 error = ENOTTY; 2676 break; 2677 case CDIOCCLRDEBUG: 2678 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2679 error = ENOTTY; 2680 break; 2681 case CDIOCRESET: 2682 /* return (cd_reset(periph)); */ 2683 error = ENOTTY; 2684 break; 2685 case CDRIOCREADSPEED: 2686 cam_periph_lock(periph); 2687 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2688 cam_periph_unlock(periph); 2689 break; 2690 case CDRIOCWRITESPEED: 2691 cam_periph_lock(periph); 2692 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2693 cam_periph_unlock(periph); 2694 break; 2695 case CDRIOCGETBLOCKSIZE: 2696 *(int *)addr = softc->params.blksize; 2697 break; 2698 case CDRIOCSETBLOCKSIZE: 2699 if (*(int *)addr <= 0) { 2700 error = EINVAL; 2701 break; 2702 } 2703 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2704 break; 2705 case DVDIOCSENDKEY: 2706 case DVDIOCREPORTKEY: { 2707 struct dvd_authinfo *authinfo; 2708 2709 authinfo = (struct dvd_authinfo *)addr; 2710 2711 if (cmd == DVDIOCREPORTKEY) 2712 error = cdreportkey(periph, authinfo); 2713 else 2714 error = cdsendkey(periph, authinfo); 2715 break; 2716 } 2717 case DVDIOCREADSTRUCTURE: { 2718 struct dvd_struct *dvdstruct; 2719 2720 dvdstruct = (struct dvd_struct *)addr; 2721 2722 error = cdreaddvdstructure(periph, dvdstruct); 2723 2724 break; 2725 } 2726 default: 2727 cam_periph_lock(periph); 2728 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2729 cam_periph_unlock(periph); 2730 break; 2731 } 2732 2733 cam_periph_lock(periph); 2734 cam_periph_unhold(periph); 2735 2736 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2737 if (error && bootverbose) { 2738 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2739 } 2740 cam_periph_unlock(periph); 2741 2742 return (error); 2743} 2744 2745static void 2746cdprevent(struct cam_periph *periph, int action) 2747{ 2748 union ccb *ccb; 2749 struct cd_softc *softc; 2750 int error; 2751 2752 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2753 2754 softc = (struct cd_softc *)periph->softc; 2755 2756 if (((action == PR_ALLOW) 2757 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2758 || ((action == PR_PREVENT) 2759 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2760 return; 2761 } 2762 2763 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2764 2765 scsi_prevent(&ccb->csio, 2766 /*retries*/ cd_retry_count, 2767 cddone, 2768 MSG_SIMPLE_Q_TAG, 2769 action, 2770 SSD_FULL_SIZE, 2771 /* timeout */60000); 2772 2773 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2774 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2775 2776 xpt_release_ccb(ccb); 2777 2778 if (error == 0) { 2779 if (action == PR_ALLOW) 2780 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2781 else 2782 softc->flags |= CD_FLAG_DISC_LOCKED; 2783 } 2784} 2785 2786/* 2787 * XXX: the disk media and sector size is only really able to change 2788 * XXX: while the device is closed. 2789 */ 2790static int 2791cdcheckmedia(struct cam_periph *periph) 2792{ 2793 struct cd_softc *softc; 2794 struct ioc_toc_header *toch; 2795 struct cd_toc_single leadout; 2796 u_int32_t size, toclen; 2797 int error, num_entries, cdindex; 2798 2799 softc = (struct cd_softc *)periph->softc; 2800 2801 cdprevent(periph, PR_PREVENT); 2802 softc->disk->d_sectorsize = 2048; 2803 softc->disk->d_mediasize = 0; 2804 2805 /* 2806 * Get the disc size and block size. If we can't get it, we don't 2807 * have media, most likely. 2808 */ 2809 if ((error = cdsize(periph, &size)) != 0) { 2810 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2811 cdprevent(periph, PR_ALLOW); 2812 return (error); 2813 } else { 2814 softc->flags |= CD_FLAG_VALID_MEDIA; 2815 softc->disk->d_sectorsize = softc->params.blksize; 2816 softc->disk->d_mediasize = 2817 (off_t)softc->params.blksize * softc->params.disksize; 2818 } 2819 2820 /* 2821 * Now we check the table of contents. This (currently) is only 2822 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2823 * things like present a separate entry in /dev for each track, 2824 * like that acd(4) driver does. 2825 */ 2826 bzero(&softc->toc, sizeof(softc->toc)); 2827 toch = &softc->toc.header; 2828 /* 2829 * We will get errors here for media that doesn't have a table of 2830 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2831 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2832 * has not been recorded (no complete session) and the Format codes 2833 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2834 * with an INVALID FIELD IN CDB. Devices that are not capable of 2835 * reading an incomplete session on DDC/CD-R/RW media shall report 2836 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2837 * 2838 * So this isn't fatal if we can't read the table of contents, it 2839 * just means that the user won't be able to issue the play tracks 2840 * ioctl, and likely lots of other stuff won't work either. They 2841 * need to burn the CD before we can do a whole lot with it. So 2842 * we don't print anything here if we get an error back. 2843 */ 2844 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2845 SF_NO_PRINT); 2846 /* 2847 * Errors in reading the table of contents aren't fatal, we just 2848 * won't have a valid table of contents cached. 2849 */ 2850 if (error != 0) { 2851 error = 0; 2852 bzero(&softc->toc, sizeof(softc->toc)); 2853 goto bailout; 2854 } 2855 2856 if (softc->quirks & CD_Q_BCD_TRACKS) { 2857 toch->starting_track = bcd2bin(toch->starting_track); 2858 toch->ending_track = bcd2bin(toch->ending_track); 2859 } 2860 2861 /* Number of TOC entries, plus leadout */ 2862 num_entries = (toch->ending_track - toch->starting_track) + 2; 2863 2864 if (num_entries <= 0) 2865 goto bailout; 2866 2867 toclen = num_entries * sizeof(struct cd_toc_entry); 2868 2869 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2870 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2871 SF_NO_PRINT); 2872 if (error != 0) { 2873 error = 0; 2874 bzero(&softc->toc, sizeof(softc->toc)); 2875 goto bailout; 2876 } 2877 2878 if (softc->quirks & CD_Q_BCD_TRACKS) { 2879 toch->starting_track = bcd2bin(toch->starting_track); 2880 toch->ending_track = bcd2bin(toch->ending_track); 2881 } 2882 /* 2883 * XXX KDM is this necessary? Probably only if the drive doesn't 2884 * return leadout information with the table of contents. 2885 */ 2886 cdindex = toch->starting_track + num_entries -1; 2887 if (cdindex == toch->ending_track + 1) { 2888 2889 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2890 (u_int8_t *)&leadout, sizeof(leadout), 2891 SF_NO_PRINT); 2892 if (error != 0) { 2893 error = 0; 2894 goto bailout; 2895 } 2896 softc->toc.entries[cdindex - toch->starting_track] = 2897 leadout.entry; 2898 } 2899 if (softc->quirks & CD_Q_BCD_TRACKS) { 2900 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2901 softc->toc.entries[cdindex].track = 2902 bcd2bin(softc->toc.entries[cdindex].track); 2903 } 2904 } 2905 2906 softc->flags |= CD_FLAG_VALID_TOC; 2907 2908 /* If the first track is audio, correct sector size. */ 2909 if ((softc->toc.entries[0].control & 4) == 0) { 2910 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2911 softc->disk->d_mediasize = 2912 (off_t)softc->params.blksize * softc->params.disksize; 2913 } 2914 2915bailout: 2916 2917 /* 2918 * We unconditionally (re)set the blocksize each time the 2919 * CD device is opened. This is because the CD can change, 2920 * and therefore the blocksize might change. 2921 * XXX problems here if some slice or partition is still 2922 * open with the old size? 2923 */ 2924 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2925 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2926 softc->disk->d_devstat->block_size = softc->params.blksize; 2927 2928 return (error); 2929} 2930 2931static int 2932cdsize(struct cam_periph *periph, u_int32_t *size) 2933{ 2934 struct cd_softc *softc; 2935 union ccb *ccb; 2936 struct scsi_read_capacity_data *rcap_buf; 2937 int error; 2938 2939 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2940 2941 softc = (struct cd_softc *)periph->softc; 2942 2943 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2944 2945 /* XXX Should be M_WAITOK */ 2946 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2947 M_SCSICD, M_NOWAIT | M_ZERO); 2948 if (rcap_buf == NULL) 2949 return (ENOMEM); 2950 2951 scsi_read_capacity(&ccb->csio, 2952 /*retries*/ cd_retry_count, 2953 cddone, 2954 MSG_SIMPLE_Q_TAG, 2955 rcap_buf, 2956 SSD_FULL_SIZE, 2957 /* timeout */20000); 2958 2959 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2960 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2961 2962 xpt_release_ccb(ccb); 2963 2964 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2965 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2966 /* Make sure we got at least some block size. */ 2967 if (error == 0 && softc->params.blksize == 0) 2968 error = EIO; 2969 /* 2970 * SCSI-3 mandates that the reported blocksize shall be 2048. 2971 * Older drives sometimes report funny values, trim it down to 2972 * 2048, or other parts of the kernel will get confused. 2973 * 2974 * XXX we leave drives alone that might report 512 bytes, as 2975 * well as drives reporting more weird sizes like perhaps 4K. 2976 */ 2977 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2978 softc->params.blksize = 2048; 2979 2980 free(rcap_buf, M_SCSICD); 2981 *size = softc->params.disksize; 2982 2983 return (error); 2984 2985} 2986 2987static int 2988cd6byteworkaround(union ccb *ccb) 2989{ 2990 u_int8_t *cdb; 2991 struct cam_periph *periph; 2992 struct cd_softc *softc; 2993 struct cd_mode_params *params; 2994 int frozen, found; 2995 2996 periph = xpt_path_periph(ccb->ccb_h.path); 2997 softc = (struct cd_softc *)periph->softc; 2998 2999 cdb = ccb->csio.cdb_io.cdb_bytes; 3000 3001 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3002 || ((cdb[0] != MODE_SENSE_6) 3003 && (cdb[0] != MODE_SELECT_6))) 3004 return (0); 3005 3006 /* 3007 * Because there is no convenient place to stash the overall 3008 * cd_mode_params structure pointer, we have to grab it like this. 3009 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3010 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3011 * 3012 * XXX It would be nice if, at some point, we could increase the 3013 * number of available peripheral private pointers. Both pointers 3014 * are currently used in most every peripheral driver. 3015 */ 3016 found = 0; 3017 3018 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3019 if (params->mode_buf == ccb->csio.data_ptr) { 3020 found = 1; 3021 break; 3022 } 3023 } 3024 3025 /* 3026 * This shouldn't happen. All mode sense and mode select 3027 * operations in the cd(4) driver MUST go through cdgetmode() and 3028 * cdsetmode()! 3029 */ 3030 if (found == 0) { 3031 xpt_print(periph->path, 3032 "mode buffer not found in mode queue!\n"); 3033 return (0); 3034 } 3035 3036 params->cdb_size = 10; 3037 softc->minimum_command_size = 10; 3038 xpt_print(ccb->ccb_h.path, 3039 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3040 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3041 3042 if (cdb[0] == MODE_SENSE_6) { 3043 struct scsi_mode_sense_10 ms10; 3044 struct scsi_mode_sense_6 *ms6; 3045 int len; 3046 3047 ms6 = (struct scsi_mode_sense_6 *)cdb; 3048 3049 bzero(&ms10, sizeof(ms10)); 3050 ms10.opcode = MODE_SENSE_10; 3051 ms10.byte2 = ms6->byte2; 3052 ms10.page = ms6->page; 3053 3054 /* 3055 * 10 byte mode header, block descriptor, 3056 * sizeof(union cd_pages) 3057 */ 3058 len = sizeof(struct cd_mode_data_10); 3059 ccb->csio.dxfer_len = len; 3060 3061 scsi_ulto2b(len, ms10.length); 3062 ms10.control = ms6->control; 3063 bcopy(&ms10, cdb, 10); 3064 ccb->csio.cdb_len = 10; 3065 } else { 3066 struct scsi_mode_select_10 ms10; 3067 struct scsi_mode_select_6 *ms6; 3068 struct scsi_mode_header_6 *header6; 3069 struct scsi_mode_header_10 *header10; 3070 struct scsi_mode_page_header *page_header; 3071 int blk_desc_len, page_num, page_size, len; 3072 3073 ms6 = (struct scsi_mode_select_6 *)cdb; 3074 3075 bzero(&ms10, sizeof(ms10)); 3076 ms10.opcode = MODE_SELECT_10; 3077 ms10.byte2 = ms6->byte2; 3078 3079 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3080 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3081 3082 page_header = find_mode_page_6(header6); 3083 page_num = page_header->page_code; 3084 3085 blk_desc_len = header6->blk_desc_len; 3086 3087 page_size = cdgetpagesize(page_num); 3088 3089 if (page_size != (page_header->page_length + 3090 sizeof(*page_header))) 3091 page_size = page_header->page_length + 3092 sizeof(*page_header); 3093 3094 len = sizeof(*header10) + blk_desc_len + page_size; 3095 3096 len = min(params->alloc_len, len); 3097 3098 /* 3099 * Since the 6 byte parameter header is shorter than the 10 3100 * byte parameter header, we need to copy the actual mode 3101 * page data, and the block descriptor, if any, so things wind 3102 * up in the right place. The regions will overlap, but 3103 * bcopy() does the right thing. 3104 */ 3105 bcopy(params->mode_buf + sizeof(*header6), 3106 params->mode_buf + sizeof(*header10), 3107 len - sizeof(*header10)); 3108 3109 /* Make sure these fields are set correctly. */ 3110 scsi_ulto2b(0, header10->data_length); 3111 header10->medium_type = 0; 3112 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3113 3114 ccb->csio.dxfer_len = len; 3115 3116 scsi_ulto2b(len, ms10.length); 3117 ms10.control = ms6->control; 3118 bcopy(&ms10, cdb, 10); 3119 ccb->csio.cdb_len = 10; 3120 } 3121 3122 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3123 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3124 xpt_action(ccb); 3125 if (frozen) { 3126 cam_release_devq(ccb->ccb_h.path, 3127 /*relsim_flags*/0, 3128 /*openings*/0, 3129 /*timeout*/0, 3130 /*getcount_only*/0); 3131 } 3132 3133 return (ERESTART); 3134} 3135 3136static int 3137cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3138{ 3139 struct cd_softc *softc; 3140 struct cam_periph *periph; 3141 int error; 3142 3143 periph = xpt_path_periph(ccb->ccb_h.path); 3144 softc = (struct cd_softc *)periph->softc; 3145 3146 error = 0; 3147 3148 /* 3149 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3150 * CDB comes back with this particular error, try transforming it 3151 * into the 10 byte version. 3152 */ 3153 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3154 error = cd6byteworkaround(ccb); 3155 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3156 CAM_SCSI_STATUS_ERROR) 3157 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3158 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3159 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3160 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3161 int sense_key, error_code, asc, ascq; 3162 3163 scsi_extract_sense_len(&ccb->csio.sense_data, 3164 ccb->csio.sense_len - ccb->csio.sense_resid, &error_code, 3165 &sense_key, &asc, &ascq, /*show_errors*/ 1); 3166 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3167 error = cd6byteworkaround(ccb); 3168 } 3169 3170 if (error == ERESTART) 3171 return (error); 3172 3173 /* 3174 * XXX 3175 * Until we have a better way of doing pack validation, 3176 * don't treat UAs as errors. 3177 */ 3178 sense_flags |= SF_RETRY_UA; 3179 return (cam_periph_error(ccb, cam_flags, sense_flags, 3180 &softc->saved_ccb)); 3181} 3182 3183/* 3184 * Read table of contents 3185 */ 3186static int 3187cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3188 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3189{ 3190 struct scsi_read_toc *scsi_cmd; 3191 u_int32_t ntoc; 3192 struct ccb_scsiio *csio; 3193 union ccb *ccb; 3194 int error; 3195 3196 ntoc = len; 3197 error = 0; 3198 3199 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3200 3201 csio = &ccb->csio; 3202 3203 cam_fill_csio(csio, 3204 /* retries */ cd_retry_count, 3205 /* cbfcnp */ cddone, 3206 /* flags */ CAM_DIR_IN, 3207 /* tag_action */ MSG_SIMPLE_Q_TAG, 3208 /* data_ptr */ data, 3209 /* dxfer_len */ len, 3210 /* sense_len */ SSD_FULL_SIZE, 3211 sizeof(struct scsi_read_toc), 3212 /* timeout */ 50000); 3213 3214 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3215 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3216 3217 if (mode == CD_MSF_FORMAT) 3218 scsi_cmd->byte2 |= CD_MSF; 3219 scsi_cmd->from_track = start; 3220 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3221 scsi_cmd->data_len[0] = (ntoc) >> 8; 3222 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3223 3224 scsi_cmd->op_code = READ_TOC; 3225 3226 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3227 /*sense_flags*/SF_RETRY_UA | sense_flags); 3228 3229 xpt_release_ccb(ccb); 3230 3231 return(error); 3232} 3233 3234static int 3235cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3236 u_int32_t format, int track, 3237 struct cd_sub_channel_info *data, u_int32_t len) 3238{ 3239 struct scsi_read_subchannel *scsi_cmd; 3240 struct ccb_scsiio *csio; 3241 union ccb *ccb; 3242 int error; 3243 3244 error = 0; 3245 3246 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3247 3248 csio = &ccb->csio; 3249 3250 cam_fill_csio(csio, 3251 /* retries */ cd_retry_count, 3252 /* cbfcnp */ cddone, 3253 /* flags */ CAM_DIR_IN, 3254 /* tag_action */ MSG_SIMPLE_Q_TAG, 3255 /* data_ptr */ (u_int8_t *)data, 3256 /* dxfer_len */ len, 3257 /* sense_len */ SSD_FULL_SIZE, 3258 sizeof(struct scsi_read_subchannel), 3259 /* timeout */ 50000); 3260 3261 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3262 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3263 3264 scsi_cmd->op_code = READ_SUBCHANNEL; 3265 if (mode == CD_MSF_FORMAT) 3266 scsi_cmd->byte1 |= CD_MSF; 3267 scsi_cmd->byte2 = SRS_SUBQ; 3268 scsi_cmd->subchan_format = format; 3269 scsi_cmd->track = track; 3270 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3271 scsi_cmd->control = 0; 3272 3273 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3274 /*sense_flags*/SF_RETRY_UA); 3275 3276 xpt_release_ccb(ccb); 3277 3278 return(error); 3279} 3280 3281 3282/* 3283 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3284 * routine. See comments in cd6byteworkaround() for details. 3285 */ 3286static int 3287cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3288 u_int32_t page) 3289{ 3290 struct ccb_scsiio *csio; 3291 struct cd_softc *softc; 3292 union ccb *ccb; 3293 int param_len; 3294 int error; 3295 3296 softc = (struct cd_softc *)periph->softc; 3297 3298 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3299 3300 csio = &ccb->csio; 3301 3302 data->cdb_size = softc->minimum_command_size; 3303 if (data->cdb_size < 10) 3304 param_len = sizeof(struct cd_mode_data); 3305 else 3306 param_len = sizeof(struct cd_mode_data_10); 3307 3308 /* Don't say we've got more room than we actually allocated */ 3309 param_len = min(param_len, data->alloc_len); 3310 3311 scsi_mode_sense_len(csio, 3312 /* retries */ cd_retry_count, 3313 /* cbfcnp */ cddone, 3314 /* tag_action */ MSG_SIMPLE_Q_TAG, 3315 /* dbd */ 0, 3316 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3317 /* page */ page, 3318 /* param_buf */ data->mode_buf, 3319 /* param_len */ param_len, 3320 /* minimum_cmd_size */ softc->minimum_command_size, 3321 /* sense_len */ SSD_FULL_SIZE, 3322 /* timeout */ 50000); 3323 3324 /* 3325 * It would be nice not to have to do this, but there's no 3326 * available pointer in the CCB that would allow us to stuff the 3327 * mode params structure in there and retrieve it in 3328 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3329 * lets the caller know what CDB size we ended up using, so they 3330 * can find the actual mode page offset. 3331 */ 3332 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3333 3334 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3335 /*sense_flags*/SF_RETRY_UA); 3336 3337 xpt_release_ccb(ccb); 3338 3339 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3340 3341 /* 3342 * This is a bit of belt-and-suspenders checking, but if we run 3343 * into a situation where the target sends back multiple block 3344 * descriptors, we might not have enough space in the buffer to 3345 * see the whole mode page. Better to return an error than 3346 * potentially access memory beyond our malloced region. 3347 */ 3348 if (error == 0) { 3349 u_int32_t data_len; 3350 3351 if (data->cdb_size == 10) { 3352 struct scsi_mode_header_10 *hdr10; 3353 3354 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3355 data_len = scsi_2btoul(hdr10->data_length); 3356 data_len += sizeof(hdr10->data_length); 3357 } else { 3358 struct scsi_mode_header_6 *hdr6; 3359 3360 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3361 data_len = hdr6->data_length; 3362 data_len += sizeof(hdr6->data_length); 3363 } 3364 3365 /* 3366 * Complain if there is more mode data available than we 3367 * allocated space for. This could potentially happen if 3368 * we miscalculated the page length for some reason, if the 3369 * drive returns multiple block descriptors, or if it sets 3370 * the data length incorrectly. 3371 */ 3372 if (data_len > data->alloc_len) { 3373 xpt_print(periph->path, "allocated modepage %d length " 3374 "%d < returned length %d\n", page, data->alloc_len, 3375 data_len); 3376 error = ENOSPC; 3377 } 3378 } 3379 return (error); 3380} 3381 3382/* 3383 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3384 * routine. See comments in cd6byteworkaround() for details. 3385 */ 3386static int 3387cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3388{ 3389 struct ccb_scsiio *csio; 3390 struct cd_softc *softc; 3391 union ccb *ccb; 3392 int cdb_size, param_len; 3393 int error; 3394 3395 softc = (struct cd_softc *)periph->softc; 3396 3397 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3398 3399 csio = &ccb->csio; 3400 3401 error = 0; 3402 3403 /* 3404 * If the data is formatted for the 10 byte version of the mode 3405 * select parameter list, we need to use the 10 byte CDB. 3406 * Otherwise, we use whatever the stored minimum command size. 3407 */ 3408 if (data->cdb_size == 10) 3409 cdb_size = data->cdb_size; 3410 else 3411 cdb_size = softc->minimum_command_size; 3412 3413 if (cdb_size >= 10) { 3414 struct scsi_mode_header_10 *mode_header; 3415 u_int32_t data_len; 3416 3417 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3418 3419 data_len = scsi_2btoul(mode_header->data_length); 3420 3421 scsi_ulto2b(0, mode_header->data_length); 3422 /* 3423 * SONY drives do not allow a mode select with a medium_type 3424 * value that has just been returned by a mode sense; use a 3425 * medium_type of 0 (Default) instead. 3426 */ 3427 mode_header->medium_type = 0; 3428 3429 /* 3430 * Pass back whatever the drive passed to us, plus the size 3431 * of the data length field. 3432 */ 3433 param_len = data_len + sizeof(mode_header->data_length); 3434 3435 } else { 3436 struct scsi_mode_header_6 *mode_header; 3437 3438 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3439 3440 param_len = mode_header->data_length + 1; 3441 3442 mode_header->data_length = 0; 3443 /* 3444 * SONY drives do not allow a mode select with a medium_type 3445 * value that has just been returned by a mode sense; use a 3446 * medium_type of 0 (Default) instead. 3447 */ 3448 mode_header->medium_type = 0; 3449 } 3450 3451 /* Don't say we've got more room than we actually allocated */ 3452 param_len = min(param_len, data->alloc_len); 3453 3454 scsi_mode_select_len(csio, 3455 /* retries */ cd_retry_count, 3456 /* cbfcnp */ cddone, 3457 /* tag_action */ MSG_SIMPLE_Q_TAG, 3458 /* scsi_page_fmt */ 1, 3459 /* save_pages */ 0, 3460 /* param_buf */ data->mode_buf, 3461 /* param_len */ param_len, 3462 /* minimum_cmd_size */ cdb_size, 3463 /* sense_len */ SSD_FULL_SIZE, 3464 /* timeout */ 50000); 3465 3466 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3467 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3468 3469 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3470 /*sense_flags*/SF_RETRY_UA); 3471 3472 xpt_release_ccb(ccb); 3473 3474 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3475 3476 return (error); 3477} 3478 3479 3480static int 3481cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3482{ 3483 struct ccb_scsiio *csio; 3484 union ccb *ccb; 3485 int error; 3486 u_int8_t cdb_len; 3487 3488 error = 0; 3489 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3490 csio = &ccb->csio; 3491 /* 3492 * Use the smallest possible command to perform the operation. 3493 */ 3494 if ((len & 0xffff0000) == 0) { 3495 /* 3496 * We can fit in a 10 byte cdb. 3497 */ 3498 struct scsi_play_10 *scsi_cmd; 3499 3500 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3501 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3502 scsi_cmd->op_code = PLAY_10; 3503 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3504 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3505 cdb_len = sizeof(*scsi_cmd); 3506 } else { 3507 struct scsi_play_12 *scsi_cmd; 3508 3509 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3510 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3511 scsi_cmd->op_code = PLAY_12; 3512 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3513 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3514 cdb_len = sizeof(*scsi_cmd); 3515 } 3516 cam_fill_csio(csio, 3517 /*retries*/ cd_retry_count, 3518 cddone, 3519 /*flags*/CAM_DIR_NONE, 3520 MSG_SIMPLE_Q_TAG, 3521 /*dataptr*/NULL, 3522 /*datalen*/0, 3523 /*sense_len*/SSD_FULL_SIZE, 3524 cdb_len, 3525 /*timeout*/50 * 1000); 3526 3527 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3528 /*sense_flags*/SF_RETRY_UA); 3529 3530 xpt_release_ccb(ccb); 3531 3532 return(error); 3533} 3534 3535static int 3536cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3537 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3538{ 3539 struct scsi_play_msf *scsi_cmd; 3540 struct ccb_scsiio *csio; 3541 union ccb *ccb; 3542 int error; 3543 3544 error = 0; 3545 3546 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3547 3548 csio = &ccb->csio; 3549 3550 cam_fill_csio(csio, 3551 /* retries */ cd_retry_count, 3552 /* cbfcnp */ cddone, 3553 /* flags */ CAM_DIR_NONE, 3554 /* tag_action */ MSG_SIMPLE_Q_TAG, 3555 /* data_ptr */ NULL, 3556 /* dxfer_len */ 0, 3557 /* sense_len */ SSD_FULL_SIZE, 3558 sizeof(struct scsi_play_msf), 3559 /* timeout */ 50000); 3560 3561 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3562 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3563 3564 scsi_cmd->op_code = PLAY_MSF; 3565 scsi_cmd->start_m = startm; 3566 scsi_cmd->start_s = starts; 3567 scsi_cmd->start_f = startf; 3568 scsi_cmd->end_m = endm; 3569 scsi_cmd->end_s = ends; 3570 scsi_cmd->end_f = endf; 3571 3572 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3573 /*sense_flags*/SF_RETRY_UA); 3574 3575 xpt_release_ccb(ccb); 3576 3577 return(error); 3578} 3579 3580 3581static int 3582cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3583 u_int32_t etrack, u_int32_t eindex) 3584{ 3585 struct scsi_play_track *scsi_cmd; 3586 struct ccb_scsiio *csio; 3587 union ccb *ccb; 3588 int error; 3589 3590 error = 0; 3591 3592 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3593 3594 csio = &ccb->csio; 3595 3596 cam_fill_csio(csio, 3597 /* retries */ cd_retry_count, 3598 /* cbfcnp */ cddone, 3599 /* flags */ CAM_DIR_NONE, 3600 /* tag_action */ MSG_SIMPLE_Q_TAG, 3601 /* data_ptr */ NULL, 3602 /* dxfer_len */ 0, 3603 /* sense_len */ SSD_FULL_SIZE, 3604 sizeof(struct scsi_play_track), 3605 /* timeout */ 50000); 3606 3607 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3608 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3609 3610 scsi_cmd->op_code = PLAY_TRACK; 3611 scsi_cmd->start_track = strack; 3612 scsi_cmd->start_index = sindex; 3613 scsi_cmd->end_track = etrack; 3614 scsi_cmd->end_index = eindex; 3615 3616 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3617 /*sense_flags*/SF_RETRY_UA); 3618 3619 xpt_release_ccb(ccb); 3620 3621 return(error); 3622} 3623 3624static int 3625cdpause(struct cam_periph *periph, u_int32_t go) 3626{ 3627 struct scsi_pause *scsi_cmd; 3628 struct ccb_scsiio *csio; 3629 union ccb *ccb; 3630 int error; 3631 3632 error = 0; 3633 3634 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3635 3636 csio = &ccb->csio; 3637 3638 cam_fill_csio(csio, 3639 /* retries */ cd_retry_count, 3640 /* cbfcnp */ cddone, 3641 /* flags */ CAM_DIR_NONE, 3642 /* tag_action */ MSG_SIMPLE_Q_TAG, 3643 /* data_ptr */ NULL, 3644 /* dxfer_len */ 0, 3645 /* sense_len */ SSD_FULL_SIZE, 3646 sizeof(struct scsi_pause), 3647 /* timeout */ 50000); 3648 3649 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3650 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3651 3652 scsi_cmd->op_code = PAUSE; 3653 scsi_cmd->resume = go; 3654 3655 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3656 /*sense_flags*/SF_RETRY_UA); 3657 3658 xpt_release_ccb(ccb); 3659 3660 return(error); 3661} 3662 3663static int 3664cdstartunit(struct cam_periph *periph, int load) 3665{ 3666 union ccb *ccb; 3667 int error; 3668 3669 error = 0; 3670 3671 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3672 3673 scsi_start_stop(&ccb->csio, 3674 /* retries */ cd_retry_count, 3675 /* cbfcnp */ cddone, 3676 /* tag_action */ MSG_SIMPLE_Q_TAG, 3677 /* start */ TRUE, 3678 /* load_eject */ load, 3679 /* immediate */ FALSE, 3680 /* sense_len */ SSD_FULL_SIZE, 3681 /* timeout */ 50000); 3682 3683 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3684 /*sense_flags*/SF_RETRY_UA); 3685 3686 xpt_release_ccb(ccb); 3687 3688 return(error); 3689} 3690 3691static int 3692cdstopunit(struct cam_periph *periph, u_int32_t eject) 3693{ 3694 union ccb *ccb; 3695 int error; 3696 3697 error = 0; 3698 3699 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3700 3701 scsi_start_stop(&ccb->csio, 3702 /* retries */ cd_retry_count, 3703 /* cbfcnp */ cddone, 3704 /* tag_action */ MSG_SIMPLE_Q_TAG, 3705 /* start */ FALSE, 3706 /* load_eject */ eject, 3707 /* immediate */ FALSE, 3708 /* sense_len */ SSD_FULL_SIZE, 3709 /* timeout */ 50000); 3710 3711 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3712 /*sense_flags*/SF_RETRY_UA); 3713 3714 xpt_release_ccb(ccb); 3715 3716 return(error); 3717} 3718 3719static int 3720cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3721{ 3722 struct scsi_set_speed *scsi_cmd; 3723 struct ccb_scsiio *csio; 3724 union ccb *ccb; 3725 int error; 3726 3727 error = 0; 3728 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3729 csio = &ccb->csio; 3730 3731 /* Preserve old behavior: units in multiples of CDROM speed */ 3732 if (rdspeed < 177) 3733 rdspeed *= 177; 3734 if (wrspeed < 177) 3735 wrspeed *= 177; 3736 3737 cam_fill_csio(csio, 3738 /* retries */ cd_retry_count, 3739 /* cbfcnp */ cddone, 3740 /* flags */ CAM_DIR_NONE, 3741 /* tag_action */ MSG_SIMPLE_Q_TAG, 3742 /* data_ptr */ NULL, 3743 /* dxfer_len */ 0, 3744 /* sense_len */ SSD_FULL_SIZE, 3745 sizeof(struct scsi_set_speed), 3746 /* timeout */ 50000); 3747 3748 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3749 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3750 3751 scsi_cmd->opcode = SET_CD_SPEED; 3752 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3753 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3754 3755 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3756 /*sense_flags*/SF_RETRY_UA); 3757 3758 xpt_release_ccb(ccb); 3759 3760 return(error); 3761} 3762 3763static int 3764cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3765{ 3766 union ccb *ccb; 3767 u_int8_t *databuf; 3768 u_int32_t lba; 3769 int error; 3770 int length; 3771 3772 error = 0; 3773 databuf = NULL; 3774 lba = 0; 3775 3776 switch (authinfo->format) { 3777 case DVD_REPORT_AGID: 3778 length = sizeof(struct scsi_report_key_data_agid); 3779 break; 3780 case DVD_REPORT_CHALLENGE: 3781 length = sizeof(struct scsi_report_key_data_challenge); 3782 break; 3783 case DVD_REPORT_KEY1: 3784 length = sizeof(struct scsi_report_key_data_key1_key2); 3785 break; 3786 case DVD_REPORT_TITLE_KEY: 3787 length = sizeof(struct scsi_report_key_data_title); 3788 /* The lba field is only set for the title key */ 3789 lba = authinfo->lba; 3790 break; 3791 case DVD_REPORT_ASF: 3792 length = sizeof(struct scsi_report_key_data_asf); 3793 break; 3794 case DVD_REPORT_RPC: 3795 length = sizeof(struct scsi_report_key_data_rpc); 3796 break; 3797 case DVD_INVALIDATE_AGID: 3798 length = 0; 3799 break; 3800 default: 3801 return (EINVAL); 3802 } 3803 3804 if (length != 0) { 3805 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3806 } else 3807 databuf = NULL; 3808 3809 cam_periph_lock(periph); 3810 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3811 3812 scsi_report_key(&ccb->csio, 3813 /* retries */ cd_retry_count, 3814 /* cbfcnp */ cddone, 3815 /* tag_action */ MSG_SIMPLE_Q_TAG, 3816 /* lba */ lba, 3817 /* agid */ authinfo->agid, 3818 /* key_format */ authinfo->format, 3819 /* data_ptr */ databuf, 3820 /* dxfer_len */ length, 3821 /* sense_len */ SSD_FULL_SIZE, 3822 /* timeout */ 50000); 3823 3824 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3825 /*sense_flags*/SF_RETRY_UA); 3826 3827 if (error != 0) 3828 goto bailout; 3829 3830 if (ccb->csio.resid != 0) { 3831 xpt_print(periph->path, "warning, residual for report key " 3832 "command is %d\n", ccb->csio.resid); 3833 } 3834 3835 switch(authinfo->format) { 3836 case DVD_REPORT_AGID: { 3837 struct scsi_report_key_data_agid *agid_data; 3838 3839 agid_data = (struct scsi_report_key_data_agid *)databuf; 3840 3841 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3842 RKD_AGID_SHIFT; 3843 break; 3844 } 3845 case DVD_REPORT_CHALLENGE: { 3846 struct scsi_report_key_data_challenge *chal_data; 3847 3848 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3849 3850 bcopy(chal_data->challenge_key, authinfo->keychal, 3851 min(sizeof(chal_data->challenge_key), 3852 sizeof(authinfo->keychal))); 3853 break; 3854 } 3855 case DVD_REPORT_KEY1: { 3856 struct scsi_report_key_data_key1_key2 *key1_data; 3857 3858 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3859 3860 bcopy(key1_data->key1, authinfo->keychal, 3861 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3862 break; 3863 } 3864 case DVD_REPORT_TITLE_KEY: { 3865 struct scsi_report_key_data_title *title_data; 3866 3867 title_data = (struct scsi_report_key_data_title *)databuf; 3868 3869 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3870 RKD_TITLE_CPM_SHIFT; 3871 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3872 RKD_TITLE_CP_SEC_SHIFT; 3873 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3874 RKD_TITLE_CMGS_SHIFT; 3875 bcopy(title_data->title_key, authinfo->keychal, 3876 min(sizeof(title_data->title_key), 3877 sizeof(authinfo->keychal))); 3878 break; 3879 } 3880 case DVD_REPORT_ASF: { 3881 struct scsi_report_key_data_asf *asf_data; 3882 3883 asf_data = (struct scsi_report_key_data_asf *)databuf; 3884 3885 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3886 break; 3887 } 3888 case DVD_REPORT_RPC: { 3889 struct scsi_report_key_data_rpc *rpc_data; 3890 3891 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3892 3893 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3894 RKD_RPC_TYPE_SHIFT; 3895 authinfo->vend_rsts = 3896 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3897 RKD_RPC_VENDOR_RESET_SHIFT; 3898 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3899 authinfo->region = rpc_data->region_mask; 3900 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3901 break; 3902 } 3903 case DVD_INVALIDATE_AGID: 3904 break; 3905 default: 3906 /* This should be impossible, since we checked above */ 3907 error = EINVAL; 3908 goto bailout; 3909 break; /* NOTREACHED */ 3910 } 3911 3912bailout: 3913 xpt_release_ccb(ccb); 3914 cam_periph_unlock(periph); 3915 3916 if (databuf != NULL) 3917 free(databuf, M_DEVBUF); 3918 3919 return(error); 3920} 3921 3922static int 3923cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3924{ 3925 union ccb *ccb; 3926 u_int8_t *databuf; 3927 int length; 3928 int error; 3929 3930 error = 0; 3931 databuf = NULL; 3932 3933 switch(authinfo->format) { 3934 case DVD_SEND_CHALLENGE: { 3935 struct scsi_report_key_data_challenge *challenge_data; 3936 3937 length = sizeof(*challenge_data); 3938 3939 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3940 3941 databuf = (u_int8_t *)challenge_data; 3942 3943 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3944 challenge_data->data_len); 3945 3946 bcopy(authinfo->keychal, challenge_data->challenge_key, 3947 min(sizeof(authinfo->keychal), 3948 sizeof(challenge_data->challenge_key))); 3949 break; 3950 } 3951 case DVD_SEND_KEY2: { 3952 struct scsi_report_key_data_key1_key2 *key2_data; 3953 3954 length = sizeof(*key2_data); 3955 3956 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3957 3958 databuf = (u_int8_t *)key2_data; 3959 3960 scsi_ulto2b(length - sizeof(key2_data->data_len), 3961 key2_data->data_len); 3962 3963 bcopy(authinfo->keychal, key2_data->key1, 3964 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3965 3966 break; 3967 } 3968 case DVD_SEND_RPC: { 3969 struct scsi_send_key_data_rpc *rpc_data; 3970 3971 length = sizeof(*rpc_data); 3972 3973 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3974 3975 databuf = (u_int8_t *)rpc_data; 3976 3977 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3978 rpc_data->data_len); 3979 3980 rpc_data->region_code = authinfo->region; 3981 break; 3982 } 3983 default: 3984 return (EINVAL); 3985 } 3986 3987 cam_periph_lock(periph); 3988 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3989 3990 scsi_send_key(&ccb->csio, 3991 /* retries */ cd_retry_count, 3992 /* cbfcnp */ cddone, 3993 /* tag_action */ MSG_SIMPLE_Q_TAG, 3994 /* agid */ authinfo->agid, 3995 /* key_format */ authinfo->format, 3996 /* data_ptr */ databuf, 3997 /* dxfer_len */ length, 3998 /* sense_len */ SSD_FULL_SIZE, 3999 /* timeout */ 50000); 4000 4001 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4002 /*sense_flags*/SF_RETRY_UA); 4003 4004 xpt_release_ccb(ccb); 4005 cam_periph_unlock(periph); 4006 4007 if (databuf != NULL) 4008 free(databuf, M_DEVBUF); 4009 4010 return(error); 4011} 4012 4013static int 4014cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4015{ 4016 union ccb *ccb; 4017 u_int8_t *databuf; 4018 u_int32_t address; 4019 int error; 4020 int length; 4021 4022 error = 0; 4023 databuf = NULL; 4024 /* The address is reserved for many of the formats */ 4025 address = 0; 4026 4027 switch(dvdstruct->format) { 4028 case DVD_STRUCT_PHYSICAL: 4029 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4030 break; 4031 case DVD_STRUCT_COPYRIGHT: 4032 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4033 break; 4034 case DVD_STRUCT_DISCKEY: 4035 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4036 break; 4037 case DVD_STRUCT_BCA: 4038 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4039 break; 4040 case DVD_STRUCT_MANUFACT: 4041 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4042 break; 4043 case DVD_STRUCT_CMI: 4044 return (ENODEV); 4045 case DVD_STRUCT_PROTDISCID: 4046 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4047 break; 4048 case DVD_STRUCT_DISCKEYBLOCK: 4049 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4050 break; 4051 case DVD_STRUCT_DDS: 4052 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4053 break; 4054 case DVD_STRUCT_MEDIUM_STAT: 4055 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4056 break; 4057 case DVD_STRUCT_SPARE_AREA: 4058 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4059 break; 4060 case DVD_STRUCT_RMD_LAST: 4061 return (ENODEV); 4062 case DVD_STRUCT_RMD_RMA: 4063 return (ENODEV); 4064 case DVD_STRUCT_PRERECORDED: 4065 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4066 break; 4067 case DVD_STRUCT_UNIQUEID: 4068 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4069 break; 4070 case DVD_STRUCT_DCB: 4071 return (ENODEV); 4072 case DVD_STRUCT_LIST: 4073 /* 4074 * This is the maximum allocation length for the READ DVD 4075 * STRUCTURE command. There's nothing in the MMC3 spec 4076 * that indicates a limit in the amount of data that can 4077 * be returned from this call, other than the limits 4078 * imposed by the 2-byte length variables. 4079 */ 4080 length = 65535; 4081 break; 4082 default: 4083 return (EINVAL); 4084 } 4085 4086 if (length != 0) { 4087 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4088 } else 4089 databuf = NULL; 4090 4091 cam_periph_lock(periph); 4092 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4093 4094 scsi_read_dvd_structure(&ccb->csio, 4095 /* retries */ cd_retry_count, 4096 /* cbfcnp */ cddone, 4097 /* tag_action */ MSG_SIMPLE_Q_TAG, 4098 /* lba */ address, 4099 /* layer_number */ dvdstruct->layer_num, 4100 /* key_format */ dvdstruct->format, 4101 /* agid */ dvdstruct->agid, 4102 /* data_ptr */ databuf, 4103 /* dxfer_len */ length, 4104 /* sense_len */ SSD_FULL_SIZE, 4105 /* timeout */ 50000); 4106 4107 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4108 /*sense_flags*/SF_RETRY_UA); 4109 4110 if (error != 0) 4111 goto bailout; 4112 4113 switch(dvdstruct->format) { 4114 case DVD_STRUCT_PHYSICAL: { 4115 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4116 struct dvd_layer *outlayer; 4117 struct scsi_read_dvd_struct_data_physical *phys_data; 4118 4119 phys_data = 4120 (struct scsi_read_dvd_struct_data_physical *)databuf; 4121 inlayer = &phys_data->layer_desc; 4122 outlayer = (struct dvd_layer *)&dvdstruct->data; 4123 4124 dvdstruct->length = sizeof(*inlayer); 4125 4126 outlayer->book_type = (inlayer->book_type_version & 4127 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4128 outlayer->book_version = (inlayer->book_type_version & 4129 RDSD_BOOK_VERSION_MASK); 4130 outlayer->disc_size = (inlayer->disc_size_max_rate & 4131 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4132 outlayer->max_rate = (inlayer->disc_size_max_rate & 4133 RDSD_MAX_RATE_MASK); 4134 outlayer->nlayers = (inlayer->layer_info & 4135 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4136 outlayer->track_path = (inlayer->layer_info & 4137 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4138 outlayer->layer_type = (inlayer->layer_info & 4139 RDSD_LAYER_TYPE_MASK); 4140 outlayer->linear_density = (inlayer->density & 4141 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4142 outlayer->track_density = (inlayer->density & 4143 RDSD_TRACK_DENSITY_MASK); 4144 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4145 RDSD_BCA_SHIFT; 4146 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4147 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4148 outlayer->end_sector_l0 = 4149 scsi_3btoul(inlayer->end_sector_layer0); 4150 break; 4151 } 4152 case DVD_STRUCT_COPYRIGHT: { 4153 struct scsi_read_dvd_struct_data_copyright *copy_data; 4154 4155 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4156 databuf; 4157 4158 dvdstruct->cpst = copy_data->cps_type; 4159 dvdstruct->rmi = copy_data->region_info; 4160 dvdstruct->length = 0; 4161 4162 break; 4163 } 4164 default: 4165 /* 4166 * Tell the user what the overall length is, no matter 4167 * what we can actually fit in the data buffer. 4168 */ 4169 dvdstruct->length = length - ccb->csio.resid - 4170 sizeof(struct scsi_read_dvd_struct_data_header); 4171 4172 /* 4173 * But only actually copy out the smaller of what we read 4174 * in or what the structure can take. 4175 */ 4176 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4177 dvdstruct->data, 4178 min(sizeof(dvdstruct->data), dvdstruct->length)); 4179 break; 4180 } 4181 4182bailout: 4183 xpt_release_ccb(ccb); 4184 cam_periph_unlock(periph); 4185 4186 if (databuf != NULL) 4187 free(databuf, M_DEVBUF); 4188 4189 return(error); 4190} 4191 4192void 4193scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4194 void (*cbfcnp)(struct cam_periph *, union ccb *), 4195 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4196 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4197 u_int8_t sense_len, u_int32_t timeout) 4198{ 4199 struct scsi_report_key *scsi_cmd; 4200 4201 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4202 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4203 scsi_cmd->opcode = REPORT_KEY; 4204 scsi_ulto4b(lba, scsi_cmd->lba); 4205 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4206 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4207 (key_format & RK_KF_KEYFORMAT_MASK); 4208 4209 cam_fill_csio(csio, 4210 retries, 4211 cbfcnp, 4212 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4213 tag_action, 4214 /*data_ptr*/ data_ptr, 4215 /*dxfer_len*/ dxfer_len, 4216 sense_len, 4217 sizeof(*scsi_cmd), 4218 timeout); 4219} 4220 4221void 4222scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4223 void (*cbfcnp)(struct cam_periph *, union ccb *), 4224 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4225 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4226 u_int32_t timeout) 4227{ 4228 struct scsi_send_key *scsi_cmd; 4229 4230 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4231 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4232 scsi_cmd->opcode = SEND_KEY; 4233 4234 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4235 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4236 (key_format & RK_KF_KEYFORMAT_MASK); 4237 4238 cam_fill_csio(csio, 4239 retries, 4240 cbfcnp, 4241 /*flags*/ CAM_DIR_OUT, 4242 tag_action, 4243 /*data_ptr*/ data_ptr, 4244 /*dxfer_len*/ dxfer_len, 4245 sense_len, 4246 sizeof(*scsi_cmd), 4247 timeout); 4248} 4249 4250 4251void 4252scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4253 void (*cbfcnp)(struct cam_periph *, union ccb *), 4254 u_int8_t tag_action, u_int32_t address, 4255 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4256 u_int8_t *data_ptr, u_int32_t dxfer_len, 4257 u_int8_t sense_len, u_int32_t timeout) 4258{ 4259 struct scsi_read_dvd_structure *scsi_cmd; 4260 4261 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4262 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4263 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4264 4265 scsi_ulto4b(address, scsi_cmd->address); 4266 scsi_cmd->layer_number = layer_number; 4267 scsi_cmd->format = format; 4268 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4269 /* The AGID is the top two bits of this byte */ 4270 scsi_cmd->agid = agid << 6; 4271 4272 cam_fill_csio(csio, 4273 retries, 4274 cbfcnp, 4275 /*flags*/ CAM_DIR_IN, 4276 tag_action, 4277 /*data_ptr*/ data_ptr, 4278 /*dxfer_len*/ dxfer_len, 4279 sense_len, 4280 sizeof(*scsi_cmd), 4281 timeout); 4282} 4283