scsi_cd.c revision 237335
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 237335 2012-06-20 18:25:51Z 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 int error; 1045 1046 periph = (struct cam_periph *)dp->d_drv1; 1047 if (periph == NULL) 1048 return (ENXIO); 1049 1050 softc = (struct cd_softc *)periph->softc; 1051 1052 cam_periph_lock(periph); 1053 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { 1054 cam_periph_unlock(periph); 1055 cam_periph_release(periph); 1056 return (0); 1057 } 1058 1059 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1060 ("cdclose\n")); 1061 1062 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1063 cdprevent(periph, PR_ALLOW); 1064 1065 /* 1066 * Since we're closing this CD, mark the blocksize as unavailable. 1067 * It will be marked as available when the CD is opened again. 1068 */ 1069 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1070 1071 /* 1072 * We'll check the media and toc again at the next open(). 1073 */ 1074 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1075 1076 cam_periph_unhold(periph); 1077 cam_periph_unlock(periph); 1078 cam_periph_release(periph); 1079 1080 return (0); 1081} 1082 1083static void 1084cdshorttimeout(void *arg) 1085{ 1086 struct cdchanger *changer; 1087 1088 changer = (struct cdchanger *)arg; 1089 1090 /* Always clear the short timeout flag, since that's what we're in */ 1091 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1092 1093 /* 1094 * Check to see if there is any more pending or outstanding I/O for 1095 * this device. If not, move it out of the active slot. 1096 */ 1097 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1098 && (changer->cur_device->outstanding_cmds == 0)) { 1099 changer->flags |= CHANGER_MANUAL_CALL; 1100 cdrunchangerqueue(changer); 1101 } 1102} 1103 1104/* 1105 * This is a wrapper for xpt_schedule. It only applies to changers. 1106 */ 1107static void 1108cdschedule(struct cam_periph *periph, int priority) 1109{ 1110 struct cd_softc *softc; 1111 1112 softc = (struct cd_softc *)periph->softc; 1113 1114 /* 1115 * If this device isn't currently queued, and if it isn't 1116 * the active device, then we queue this device and run the 1117 * changer queue if there is no timeout scheduled to do it. 1118 * If this device is the active device, just schedule it 1119 * to run again. If this device is queued, there should be 1120 * a timeout in place already that will make sure it runs. 1121 */ 1122 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1123 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1124 /* 1125 * We don't do anything with the priority here. 1126 * This is strictly a fifo queue. 1127 */ 1128 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1129 softc->pinfo.generation = ++softc->changer->devq.generation; 1130 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1131 1132 /* 1133 * Since we just put a device in the changer queue, 1134 * check and see if there is a timeout scheduled for 1135 * this changer. If so, let the timeout handle 1136 * switching this device into the active slot. If 1137 * not, manually call the timeout routine to 1138 * bootstrap things. 1139 */ 1140 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1141 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1142 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1143 softc->changer->flags |= CHANGER_MANUAL_CALL; 1144 cdrunchangerqueue(softc->changer); 1145 } 1146 } else if ((softc->flags & CD_FLAG_ACTIVE) 1147 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1148 xpt_schedule(periph, priority); 1149} 1150 1151static void 1152cdrunchangerqueue(void *arg) 1153{ 1154 struct cd_softc *softc; 1155 struct cdchanger *changer; 1156 int called_from_timeout; 1157 1158 changer = (struct cdchanger *)arg; 1159 1160 /* 1161 * If we have NOT been called from cdstrategy() or cddone(), and 1162 * instead from a timeout routine, go ahead and clear the 1163 * timeout flag. 1164 */ 1165 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1166 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1167 called_from_timeout = 1; 1168 } else 1169 called_from_timeout = 0; 1170 1171 /* Always clear the manual call flag */ 1172 changer->flags &= ~CHANGER_MANUAL_CALL; 1173 1174 /* nothing to do if the queue is empty */ 1175 if (changer->devq.entries <= 0) { 1176 return; 1177 } 1178 1179 /* 1180 * If the changer queue is frozen, that means we have an active 1181 * device. 1182 */ 1183 if (changer->devq.qfrozen_cnt[0] > 0) { 1184 1185 /* 1186 * We always need to reset the frozen count and clear the 1187 * active flag. 1188 */ 1189 changer->devq.qfrozen_cnt[0]--; 1190 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1191 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1192 1193 if (changer->cur_device->outstanding_cmds > 0) { 1194 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1195 changer->cur_device->bufs_left = 1196 changer->cur_device->outstanding_cmds; 1197 if (called_from_timeout) { 1198 callout_reset(&changer->long_handle, 1199 changer_max_busy_seconds * hz, 1200 cdrunchangerqueue, changer); 1201 changer->flags |= CHANGER_TIMEOUT_SCHED; 1202 } 1203 return; 1204 } 1205 1206 /* 1207 * Check to see whether the current device has any I/O left 1208 * to do. If so, requeue it at the end of the queue. If 1209 * not, there is no need to requeue it. 1210 */ 1211 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1212 1213 changer->cur_device->pinfo.generation = 1214 ++changer->devq.generation; 1215 camq_insert(&changer->devq, 1216 (cam_pinfo *)changer->cur_device); 1217 } 1218 } 1219 1220 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1221 1222 changer->cur_device = softc; 1223 1224 changer->devq.qfrozen_cnt[0]++; 1225 softc->flags |= CD_FLAG_ACTIVE; 1226 1227 /* Just in case this device is waiting */ 1228 wakeup(&softc->changer); 1229 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1230 1231 /* 1232 * Get rid of any pending timeouts, and set a flag to schedule new 1233 * ones so this device gets its full time quantum. 1234 */ 1235 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1236 callout_stop(&changer->long_handle); 1237 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1238 } 1239 1240 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1241 callout_stop(&changer->short_handle); 1242 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1243 } 1244 1245 /* 1246 * We need to schedule timeouts, but we only do this after the 1247 * first transaction has completed. This eliminates the changer 1248 * switch time. 1249 */ 1250 changer->flags |= CHANGER_NEED_TIMEOUT; 1251} 1252 1253static void 1254cdchangerschedule(struct cd_softc *softc) 1255{ 1256 struct cdchanger *changer; 1257 1258 changer = softc->changer; 1259 1260 /* 1261 * If this is a changer, and this is the current device, 1262 * and this device has at least the minimum time quantum to 1263 * run, see if we can switch it out. 1264 */ 1265 if ((softc->flags & CD_FLAG_ACTIVE) 1266 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1267 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1268 /* 1269 * We try three things here. The first is that we 1270 * check to see whether the schedule on completion 1271 * flag is set. If it is, we decrement the number 1272 * of buffers left, and if it's zero, we reschedule. 1273 * Next, we check to see whether the pending buffer 1274 * queue is empty and whether there are no 1275 * outstanding transactions. If so, we reschedule. 1276 * Next, we see if the pending buffer queue is empty. 1277 * If it is, we set the number of buffers left to 1278 * the current active buffer count and set the 1279 * schedule on complete flag. 1280 */ 1281 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1282 if (--softc->bufs_left == 0) { 1283 softc->changer->flags |= 1284 CHANGER_MANUAL_CALL; 1285 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1286 cdrunchangerqueue(softc->changer); 1287 } 1288 } else if ((bioq_first(&softc->bio_queue) == NULL) 1289 && (softc->outstanding_cmds == 0)) { 1290 softc->changer->flags |= CHANGER_MANUAL_CALL; 1291 cdrunchangerqueue(softc->changer); 1292 } 1293 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1294 && (softc->flags & CD_FLAG_ACTIVE)) { 1295 1296 /* 1297 * Now that the first transaction to this 1298 * particular device has completed, we can go ahead 1299 * and schedule our timeouts. 1300 */ 1301 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1302 callout_reset(&changer->long_handle, 1303 changer_max_busy_seconds * hz, 1304 cdrunchangerqueue, changer); 1305 changer->flags |= CHANGER_TIMEOUT_SCHED; 1306 } else 1307 printf("cdchangerschedule: already have a long" 1308 " timeout!\n"); 1309 1310 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1311 callout_reset(&changer->short_handle, 1312 changer_min_busy_seconds * hz, 1313 cdshorttimeout, changer); 1314 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1315 } else 1316 printf("cdchangerschedule: already have a short " 1317 "timeout!\n"); 1318 1319 /* 1320 * We just scheduled timeouts, no need to schedule 1321 * more. 1322 */ 1323 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1324 1325 } 1326} 1327 1328static int 1329cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1330 u_int32_t cam_flags, 1331 u_int32_t sense_flags), 1332 u_int32_t cam_flags, u_int32_t sense_flags) 1333{ 1334 struct cd_softc *softc; 1335 struct cam_periph *periph; 1336 int error; 1337 1338 periph = xpt_path_periph(ccb->ccb_h.path); 1339 softc = (struct cd_softc *)periph->softc; 1340 1341 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1342 softc->disk->d_devstat); 1343 1344 if (softc->flags & CD_FLAG_CHANGER) 1345 cdchangerschedule(softc); 1346 1347 return(error); 1348} 1349 1350static union ccb * 1351cdgetccb(struct cam_periph *periph, u_int32_t priority) 1352{ 1353 struct cd_softc *softc; 1354 1355 softc = (struct cd_softc *)periph->softc; 1356 1357 if (softc->flags & CD_FLAG_CHANGER) { 1358 /* 1359 * This should work the first time this device is woken up, 1360 * but just in case it doesn't, we use a while loop. 1361 */ 1362 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1363 /* 1364 * If this changer isn't already queued, queue it up. 1365 */ 1366 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1367 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1368 softc->pinfo.generation = 1369 ++softc->changer->devq.generation; 1370 camq_insert(&softc->changer->devq, 1371 (cam_pinfo *)softc); 1372 } 1373 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1374 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1375 && ((softc->changer->flags 1376 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1377 softc->changer->flags |= CHANGER_MANUAL_CALL; 1378 cdrunchangerqueue(softc->changer); 1379 } else 1380 msleep(&softc->changer, periph->sim->mtx, 1381 PRIBIO, "cgticb", 0); 1382 } 1383 } 1384 return(cam_periph_getccb(periph, priority)); 1385} 1386 1387 1388/* 1389 * Actually translate the requested transfer into one the physical driver 1390 * can understand. The transfer is described by a buf and will include 1391 * only one physical transfer. 1392 */ 1393static void 1394cdstrategy(struct bio *bp) 1395{ 1396 struct cam_periph *periph; 1397 struct cd_softc *softc; 1398 1399 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1400 if (periph == NULL) { 1401 biofinish(bp, NULL, ENXIO); 1402 return; 1403 } 1404 1405 cam_periph_lock(periph); 1406 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1407 ("cdstrategy(%p)\n", bp)); 1408 1409 softc = (struct cd_softc *)periph->softc; 1410 1411 /* 1412 * If the device has been made invalid, error out 1413 */ 1414 if ((softc->flags & CD_FLAG_INVALID)) { 1415 cam_periph_unlock(periph); 1416 biofinish(bp, NULL, ENXIO); 1417 return; 1418 } 1419 1420 /* 1421 * If we don't have valid media, look for it before trying to 1422 * schedule the I/O. 1423 */ 1424 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1425 int error; 1426 1427 error = cdcheckmedia(periph); 1428 if (error != 0) { 1429 cam_periph_unlock(periph); 1430 biofinish(bp, NULL, error); 1431 return; 1432 } 1433 } 1434 1435 /* 1436 * Place it in the queue of disk activities for this disk 1437 */ 1438 bioq_disksort(&softc->bio_queue, bp); 1439 1440 /* 1441 * Schedule ourselves for performing the work. We do things 1442 * differently for changers. 1443 */ 1444 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1445 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1446 else 1447 cdschedule(periph, CAM_PRIORITY_NORMAL); 1448 1449 cam_periph_unlock(periph); 1450 return; 1451} 1452 1453static void 1454cdstart(struct cam_periph *periph, union ccb *start_ccb) 1455{ 1456 struct cd_softc *softc; 1457 struct bio *bp; 1458 struct ccb_scsiio *csio; 1459 struct scsi_read_capacity_data *rcap; 1460 1461 softc = (struct cd_softc *)periph->softc; 1462 1463 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1464 1465 switch (softc->state) { 1466 case CD_STATE_NORMAL: 1467 { 1468 bp = bioq_first(&softc->bio_queue); 1469 if (periph->immediate_priority <= periph->pinfo.priority) { 1470 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1471 1472 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1473 periph_links.sle); 1474 periph->immediate_priority = CAM_PRIORITY_NONE; 1475 wakeup(&periph->ccb_list); 1476 } else if (bp == NULL) { 1477 xpt_release_ccb(start_ccb); 1478 } else { 1479 bioq_remove(&softc->bio_queue, bp); 1480 1481 scsi_read_write(&start_ccb->csio, 1482 /*retries*/ cd_retry_count, 1483 /* cbfcnp */ cddone, 1484 MSG_SIMPLE_Q_TAG, 1485 /* read */bp->bio_cmd == BIO_READ, 1486 /* byte2 */ 0, 1487 /* minimum_cmd_size */ 10, 1488 /* lba */ bp->bio_offset / 1489 softc->params.blksize, 1490 bp->bio_bcount / softc->params.blksize, 1491 /* data_ptr */ bp->bio_data, 1492 /* dxfer_len */ bp->bio_bcount, 1493 /* sense_len */ SSD_FULL_SIZE, 1494 /* timeout */ 30000); 1495 /* Use READ CD command for audio tracks. */ 1496 if (softc->params.blksize == 2352) { 1497 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 1498 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 1499 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 1500 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 1501 start_ccb->csio.cdb_len = 12; 1502 } 1503 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1504 1505 1506 LIST_INSERT_HEAD(&softc->pending_ccbs, 1507 &start_ccb->ccb_h, periph_links.le); 1508 softc->outstanding_cmds++; 1509 1510 /* We expect a unit attention from this device */ 1511 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1512 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1513 softc->flags &= ~CD_FLAG_RETRY_UA; 1514 } 1515 1516 start_ccb->ccb_h.ccb_bp = bp; 1517 bp = bioq_first(&softc->bio_queue); 1518 1519 xpt_action(start_ccb); 1520 } 1521 if (bp != NULL) { 1522 /* Have more work to do, so ensure we stay scheduled */ 1523 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1524 } 1525 break; 1526 } 1527 case CD_STATE_PROBE: 1528 { 1529 1530 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1531 M_SCSICD, M_NOWAIT | M_ZERO); 1532 if (rcap == NULL) { 1533 xpt_print(periph->path, 1534 "cdstart: Couldn't malloc read_capacity data\n"); 1535 /* cd_free_periph??? */ 1536 break; 1537 } 1538 csio = &start_ccb->csio; 1539 scsi_read_capacity(csio, 1540 /*retries*/ cd_retry_count, 1541 cddone, 1542 MSG_SIMPLE_Q_TAG, 1543 rcap, 1544 SSD_FULL_SIZE, 1545 /*timeout*/20000); 1546 start_ccb->ccb_h.ccb_bp = NULL; 1547 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1548 xpt_action(start_ccb); 1549 break; 1550 } 1551 } 1552} 1553 1554static void 1555cddone(struct cam_periph *periph, union ccb *done_ccb) 1556{ 1557 struct cd_softc *softc; 1558 struct ccb_scsiio *csio; 1559 1560 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1561 1562 softc = (struct cd_softc *)periph->softc; 1563 csio = &done_ccb->csio; 1564 1565 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1566 case CD_CCB_BUFFER_IO: 1567 { 1568 struct bio *bp; 1569 int error; 1570 1571 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1572 error = 0; 1573 1574 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1575 int sf; 1576 1577 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1578 sf = SF_RETRY_UA; 1579 else 1580 sf = 0; 1581 1582 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1583 if (error == ERESTART) { 1584 /* 1585 * A retry was scheuled, so 1586 * just return. 1587 */ 1588 return; 1589 } 1590 } 1591 1592 if (error != 0) { 1593 xpt_print(periph->path, 1594 "cddone: got error %#x back\n", error); 1595 bioq_flush(&softc->bio_queue, NULL, EIO); 1596 bp->bio_resid = bp->bio_bcount; 1597 bp->bio_error = error; 1598 bp->bio_flags |= BIO_ERROR; 1599 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1600 cam_release_devq(done_ccb->ccb_h.path, 1601 /*relsim_flags*/0, 1602 /*reduction*/0, 1603 /*timeout*/0, 1604 /*getcount_only*/0); 1605 1606 } else { 1607 bp->bio_resid = csio->resid; 1608 bp->bio_error = 0; 1609 if (bp->bio_resid != 0) { 1610 /* 1611 * Short transfer ??? 1612 * XXX: not sure this is correct for partial 1613 * transfers at EOM 1614 */ 1615 bp->bio_flags |= BIO_ERROR; 1616 } 1617 } 1618 1619 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1620 softc->outstanding_cmds--; 1621 1622 if (softc->flags & CD_FLAG_CHANGER) 1623 cdchangerschedule(softc); 1624 1625 biofinish(bp, NULL, 0); 1626 break; 1627 } 1628 case CD_CCB_PROBE: 1629 { 1630 struct scsi_read_capacity_data *rdcap; 1631 char announce_buf[120]; /* 1632 * Currently (9/30/97) the 1633 * longest possible announce 1634 * buffer is 108 bytes, for the 1635 * first error case below. 1636 * That is 39 bytes for the 1637 * basic string, 16 bytes for the 1638 * biggest sense key (hardware 1639 * error), 52 bytes for the 1640 * text of the largest sense 1641 * qualifier valid for a CDROM, 1642 * (0x72, 0x03 or 0x04, 1643 * 0x03), and one byte for the 1644 * null terminating character. 1645 * To allow for longer strings, 1646 * the announce buffer is 120 1647 * bytes. 1648 */ 1649 struct cd_params *cdp; 1650 1651 cdp = &softc->params; 1652 1653 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1654 1655 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1656 cdp->blksize = scsi_4btoul (rdcap->length); 1657 1658 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1659 1660 snprintf(announce_buf, sizeof(announce_buf), 1661 "cd present [%lu x %lu byte records]", 1662 cdp->disksize, (u_long)cdp->blksize); 1663 1664 } else { 1665 int error; 1666 /* 1667 * Retry any UNIT ATTENTION type errors. They 1668 * are expected at boot. 1669 */ 1670 error = cderror(done_ccb, CAM_RETRY_SELTO, 1671 SF_RETRY_UA | SF_NO_PRINT); 1672 if (error == ERESTART) { 1673 /* 1674 * A retry was scheuled, so 1675 * just return. 1676 */ 1677 return; 1678 } else if (error != 0) { 1679 1680 struct scsi_sense_data *sense; 1681 int asc, ascq; 1682 int sense_key, error_code; 1683 int have_sense; 1684 cam_status status; 1685 struct ccb_getdev cgd; 1686 1687 /* Don't wedge this device's queue */ 1688 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1689 cam_release_devq(done_ccb->ccb_h.path, 1690 /*relsim_flags*/0, 1691 /*reduction*/0, 1692 /*timeout*/0, 1693 /*getcount_only*/0); 1694 1695 status = done_ccb->ccb_h.status; 1696 1697 xpt_setup_ccb(&cgd.ccb_h, 1698 done_ccb->ccb_h.path, 1699 CAM_PRIORITY_NORMAL); 1700 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1701 xpt_action((union ccb *)&cgd); 1702 1703 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1704 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1705 || ((status & CAM_AUTOSNS_VALID) == 0)) 1706 have_sense = FALSE; 1707 else 1708 have_sense = TRUE; 1709 1710 if (have_sense) { 1711 sense = &csio->sense_data; 1712 scsi_extract_sense_len(sense, 1713 csio->sense_len - csio->sense_resid, 1714 &error_code, &sense_key, &asc, 1715 &ascq, /*show_errors*/ 1); 1716 } 1717 /* 1718 * Attach to anything that claims to be a 1719 * CDROM or WORM device, as long as it 1720 * doesn't return a "Logical unit not 1721 * supported" (0x25) error. 1722 */ 1723 if ((have_sense) && (asc != 0x25) 1724 && (error_code == SSD_CURRENT_ERROR)) { 1725 const char *sense_key_desc; 1726 const char *asc_desc; 1727 1728 scsi_sense_desc(sense_key, asc, ascq, 1729 &cgd.inq_data, 1730 &sense_key_desc, 1731 &asc_desc); 1732 snprintf(announce_buf, 1733 sizeof(announce_buf), 1734 "Attempt to query device " 1735 "size failed: %s, %s", 1736 sense_key_desc, 1737 asc_desc); 1738 } else if ((have_sense == 0) 1739 && ((status & CAM_STATUS_MASK) == 1740 CAM_SCSI_STATUS_ERROR) 1741 && (csio->scsi_status == 1742 SCSI_STATUS_BUSY)) { 1743 snprintf(announce_buf, 1744 sizeof(announce_buf), 1745 "Attempt to query device " 1746 "size failed: SCSI Status: %s", 1747 scsi_status_string(csio)); 1748 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1749 /* 1750 * We only print out an error for 1751 * CDROM type devices. For WORM 1752 * devices, we don't print out an 1753 * error since a few WORM devices 1754 * don't support CDROM commands. 1755 * If we have sense information, go 1756 * ahead and print it out. 1757 * Otherwise, just say that we 1758 * couldn't attach. 1759 */ 1760 1761 /* 1762 * Just print out the error, not 1763 * the full probe message, when we 1764 * don't attach. 1765 */ 1766 if (have_sense) 1767 scsi_sense_print( 1768 &done_ccb->csio); 1769 else { 1770 xpt_print(periph->path, 1771 "got CAM status %#x\n", 1772 done_ccb->ccb_h.status); 1773 } 1774 xpt_print(periph->path, "fatal error, " 1775 "failed to attach to device\n"); 1776 /* 1777 * Invalidate this peripheral. 1778 */ 1779 cam_periph_invalidate(periph); 1780 1781 announce_buf[0] = '\0'; 1782 } else { 1783 1784 /* 1785 * Invalidate this peripheral. 1786 */ 1787 cam_periph_invalidate(periph); 1788 announce_buf[0] = '\0'; 1789 } 1790 } 1791 } 1792 free(rdcap, M_SCSICD); 1793 if (announce_buf[0] != '\0') { 1794 xpt_announce_periph(periph, announce_buf); 1795 if (softc->flags & CD_FLAG_CHANGER) 1796 cdchangerschedule(softc); 1797 /* 1798 * Create our sysctl variables, now that we know 1799 * we have successfully attached. 1800 */ 1801 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1802 } 1803 softc->state = CD_STATE_NORMAL; 1804 /* 1805 * Since our peripheral may be invalidated by an error 1806 * above or an external event, we must release our CCB 1807 * before releasing the probe lock on the peripheral. 1808 * The peripheral will only go away once the last lock 1809 * is removed, and we need it around for the CCB release 1810 * operation. 1811 */ 1812 xpt_release_ccb(done_ccb); 1813 cam_periph_unhold(periph); 1814 return; 1815 } 1816 case CD_CCB_WAITING: 1817 { 1818 /* Caller will release the CCB */ 1819 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1820 ("trying to wakeup ccbwait\n")); 1821 1822 wakeup(&done_ccb->ccb_h.cbfcnp); 1823 return; 1824 } 1825 default: 1826 break; 1827 } 1828 xpt_release_ccb(done_ccb); 1829} 1830 1831static union cd_pages * 1832cdgetpage(struct cd_mode_params *mode_params) 1833{ 1834 union cd_pages *page; 1835 1836 if (mode_params->cdb_size == 10) 1837 page = (union cd_pages *)find_mode_page_10( 1838 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1839 else 1840 page = (union cd_pages *)find_mode_page_6( 1841 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1842 1843 return (page); 1844} 1845 1846static int 1847cdgetpagesize(int page_num) 1848{ 1849 int i; 1850 1851 for (i = 0; i < (sizeof(cd_page_size_table)/ 1852 sizeof(cd_page_size_table[0])); i++) { 1853 if (cd_page_size_table[i].page == page_num) 1854 return (cd_page_size_table[i].page_size); 1855 } 1856 1857 return (-1); 1858} 1859 1860static int 1861cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1862{ 1863 1864 struct cam_periph *periph; 1865 struct cd_softc *softc; 1866 int nocopyout, error = 0; 1867 1868 periph = (struct cam_periph *)dp->d_drv1; 1869 if (periph == NULL) 1870 return(ENXIO); 1871 1872 cam_periph_lock(periph); 1873 1874 softc = (struct cd_softc *)periph->softc; 1875 1876 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1877 ("cdioctl(%#lx)\n", cmd)); 1878 1879 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1880 cam_periph_unlock(periph); 1881 cam_periph_release(periph); 1882 return (error); 1883 } 1884 1885 /* 1886 * If we don't have media loaded, check for it. If still don't 1887 * have media loaded, we can only do a load or eject. 1888 * 1889 * We only care whether media is loaded if this is a cd-specific ioctl 1890 * (thus the IOCGROUP check below). Note that this will break if 1891 * anyone adds any ioctls into the switch statement below that don't 1892 * have their ioctl group set to 'c'. 1893 */ 1894 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1895 && ((cmd != CDIOCCLOSE) 1896 && (cmd != CDIOCEJECT)) 1897 && (IOCGROUP(cmd) == 'c')) { 1898 error = cdcheckmedia(periph); 1899 if (error != 0) { 1900 cam_periph_unhold(periph); 1901 cam_periph_unlock(periph); 1902 return (error); 1903 } 1904 } 1905 /* 1906 * Drop the lock here so later mallocs can use WAITOK. The periph 1907 * is essentially locked still with the cam_periph_hold call above. 1908 */ 1909 cam_periph_unlock(periph); 1910 1911 nocopyout = 0; 1912 switch (cmd) { 1913 1914 case CDIOCPLAYTRACKS: 1915 { 1916 struct ioc_play_track *args 1917 = (struct ioc_play_track *) addr; 1918 struct cd_mode_params params; 1919 union cd_pages *page; 1920 1921 params.alloc_len = sizeof(union cd_mode_data_6_10); 1922 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1923 M_WAITOK | M_ZERO); 1924 1925 cam_periph_lock(periph); 1926 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1927 ("trying to do CDIOCPLAYTRACKS\n")); 1928 1929 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1930 if (error) { 1931 free(params.mode_buf, M_SCSICD); 1932 cam_periph_unlock(periph); 1933 break; 1934 } 1935 page = cdgetpage(¶ms); 1936 1937 page->audio.flags &= ~CD_PA_SOTC; 1938 page->audio.flags |= CD_PA_IMMED; 1939 error = cdsetmode(periph, ¶ms); 1940 free(params.mode_buf, M_SCSICD); 1941 if (error) { 1942 cam_periph_unlock(periph); 1943 break; 1944 } 1945 1946 /* 1947 * This was originally implemented with the PLAY 1948 * AUDIO TRACK INDEX command, but that command was 1949 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1950 * drives support it but ATAPI and ATAPI-derivative 1951 * drives don't seem to support it. So we keep a 1952 * cache of the table of contents and translate 1953 * track numbers to MSF format. 1954 */ 1955 if (softc->flags & CD_FLAG_VALID_TOC) { 1956 union msf_lba *sentry, *eentry; 1957 int st, et; 1958 1959 if (args->end_track < 1960 softc->toc.header.ending_track + 1) 1961 args->end_track++; 1962 if (args->end_track > 1963 softc->toc.header.ending_track + 1) 1964 args->end_track = 1965 softc->toc.header.ending_track + 1; 1966 st = args->start_track - 1967 softc->toc.header.starting_track; 1968 et = args->end_track - 1969 softc->toc.header.starting_track; 1970 if ((st < 0) 1971 || (et < 0) 1972 || (st > (softc->toc.header.ending_track - 1973 softc->toc.header.starting_track))) { 1974 error = EINVAL; 1975 break; 1976 } 1977 sentry = &softc->toc.entries[st].addr; 1978 eentry = &softc->toc.entries[et].addr; 1979 error = cdplaymsf(periph, 1980 sentry->msf.minute, 1981 sentry->msf.second, 1982 sentry->msf.frame, 1983 eentry->msf.minute, 1984 eentry->msf.second, 1985 eentry->msf.frame); 1986 } else { 1987 /* 1988 * If we don't have a valid TOC, try the 1989 * play track index command. It is part of 1990 * the SCSI-2 spec, but was removed in the 1991 * MMC specs. ATAPI and ATAPI-derived 1992 * drives don't support it. 1993 */ 1994 if (softc->quirks & CD_Q_BCD_TRACKS) { 1995 args->start_track = 1996 bin2bcd(args->start_track); 1997 args->end_track = 1998 bin2bcd(args->end_track); 1999 } 2000 error = cdplaytracks(periph, 2001 args->start_track, 2002 args->start_index, 2003 args->end_track, 2004 args->end_index); 2005 } 2006 cam_periph_unlock(periph); 2007 } 2008 break; 2009 case CDIOCPLAYMSF: 2010 { 2011 struct ioc_play_msf *args 2012 = (struct ioc_play_msf *) addr; 2013 struct cd_mode_params params; 2014 union cd_pages *page; 2015 2016 params.alloc_len = sizeof(union cd_mode_data_6_10); 2017 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2018 M_WAITOK | M_ZERO); 2019 2020 cam_periph_lock(periph); 2021 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2022 ("trying to do CDIOCPLAYMSF\n")); 2023 2024 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2025 if (error) { 2026 free(params.mode_buf, M_SCSICD); 2027 cam_periph_unlock(periph); 2028 break; 2029 } 2030 page = cdgetpage(¶ms); 2031 2032 page->audio.flags &= ~CD_PA_SOTC; 2033 page->audio.flags |= CD_PA_IMMED; 2034 error = cdsetmode(periph, ¶ms); 2035 free(params.mode_buf, M_SCSICD); 2036 if (error) { 2037 cam_periph_unlock(periph); 2038 break; 2039 } 2040 error = cdplaymsf(periph, 2041 args->start_m, 2042 args->start_s, 2043 args->start_f, 2044 args->end_m, 2045 args->end_s, 2046 args->end_f); 2047 cam_periph_unlock(periph); 2048 } 2049 break; 2050 case CDIOCPLAYBLOCKS: 2051 { 2052 struct ioc_play_blocks *args 2053 = (struct ioc_play_blocks *) addr; 2054 struct cd_mode_params params; 2055 union cd_pages *page; 2056 2057 params.alloc_len = sizeof(union cd_mode_data_6_10); 2058 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2059 M_WAITOK | M_ZERO); 2060 2061 cam_periph_lock(periph); 2062 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2063 ("trying to do CDIOCPLAYBLOCKS\n")); 2064 2065 2066 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2067 if (error) { 2068 free(params.mode_buf, M_SCSICD); 2069 cam_periph_unlock(periph); 2070 break; 2071 } 2072 page = cdgetpage(¶ms); 2073 2074 page->audio.flags &= ~CD_PA_SOTC; 2075 page->audio.flags |= CD_PA_IMMED; 2076 error = cdsetmode(periph, ¶ms); 2077 free(params.mode_buf, M_SCSICD); 2078 if (error) { 2079 cam_periph_unlock(periph); 2080 break; 2081 } 2082 error = cdplay(periph, args->blk, args->len); 2083 cam_periph_unlock(periph); 2084 } 2085 break; 2086 case CDIOCREADSUBCHANNEL_SYSSPACE: 2087 nocopyout = 1; 2088 /* Fallthrough */ 2089 case CDIOCREADSUBCHANNEL: 2090 { 2091 struct ioc_read_subchannel *args 2092 = (struct ioc_read_subchannel *) addr; 2093 struct cd_sub_channel_info *data; 2094 u_int32_t len = args->data_len; 2095 2096 data = malloc(sizeof(struct cd_sub_channel_info), 2097 M_SCSICD, M_WAITOK | M_ZERO); 2098 2099 cam_periph_lock(periph); 2100 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2101 ("trying to do CDIOCREADSUBCHANNEL\n")); 2102 2103 if ((len > sizeof(struct cd_sub_channel_info)) || 2104 (len < sizeof(struct cd_sub_channel_header))) { 2105 printf( 2106 "scsi_cd: cdioctl: " 2107 "cdioreadsubchannel: error, len=%d\n", 2108 len); 2109 error = EINVAL; 2110 free(data, M_SCSICD); 2111 cam_periph_unlock(periph); 2112 break; 2113 } 2114 2115 if (softc->quirks & CD_Q_BCD_TRACKS) 2116 args->track = bin2bcd(args->track); 2117 2118 error = cdreadsubchannel(periph, args->address_format, 2119 args->data_format, args->track, data, len); 2120 2121 if (error) { 2122 free(data, M_SCSICD); 2123 cam_periph_unlock(periph); 2124 break; 2125 } 2126 if (softc->quirks & CD_Q_BCD_TRACKS) 2127 data->what.track_info.track_number = 2128 bcd2bin(data->what.track_info.track_number); 2129 len = min(len, ((data->header.data_len[0] << 8) + 2130 data->header.data_len[1] + 2131 sizeof(struct cd_sub_channel_header))); 2132 cam_periph_unlock(periph); 2133 if (nocopyout == 0) { 2134 if (copyout(data, args->data, len) != 0) { 2135 error = EFAULT; 2136 } 2137 } else { 2138 bcopy(data, args->data, len); 2139 } 2140 free(data, M_SCSICD); 2141 } 2142 break; 2143 2144 case CDIOREADTOCHEADER: 2145 { 2146 struct ioc_toc_header *th; 2147 2148 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2149 M_WAITOK | M_ZERO); 2150 2151 cam_periph_lock(periph); 2152 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2153 ("trying to do CDIOREADTOCHEADER\n")); 2154 2155 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2156 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 2157 if (error) { 2158 free(th, M_SCSICD); 2159 cam_periph_unlock(periph); 2160 break; 2161 } 2162 if (softc->quirks & CD_Q_BCD_TRACKS) { 2163 /* we are going to have to convert the BCD 2164 * encoding on the cd to what is expected 2165 */ 2166 th->starting_track = 2167 bcd2bin(th->starting_track); 2168 th->ending_track = bcd2bin(th->ending_track); 2169 } 2170 th->len = ntohs(th->len); 2171 bcopy(th, addr, sizeof(*th)); 2172 free(th, M_SCSICD); 2173 cam_periph_unlock(periph); 2174 } 2175 break; 2176 case CDIOREADTOCENTRYS: 2177 { 2178 struct cd_tocdata *data; 2179 struct cd_toc_single *lead; 2180 struct ioc_read_toc_entry *te = 2181 (struct ioc_read_toc_entry *) addr; 2182 struct ioc_toc_header *th; 2183 u_int32_t len, readlen, idx, num; 2184 u_int32_t starting_track = te->starting_track; 2185 2186 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2187 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2188 2189 cam_periph_lock(periph); 2190 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2191 ("trying to do CDIOREADTOCENTRYS\n")); 2192 2193 if (te->data_len < sizeof(struct cd_toc_entry) 2194 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2195 || (te->address_format != CD_MSF_FORMAT 2196 && te->address_format != CD_LBA_FORMAT)) { 2197 error = EINVAL; 2198 printf("scsi_cd: error in readtocentries, " 2199 "returning EINVAL\n"); 2200 free(data, M_SCSICD); 2201 free(lead, M_SCSICD); 2202 cam_periph_unlock(periph); 2203 break; 2204 } 2205 2206 th = &data->header; 2207 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2208 sizeof (*th), /*sense_flags*/0); 2209 if (error) { 2210 free(data, M_SCSICD); 2211 free(lead, M_SCSICD); 2212 cam_periph_unlock(periph); 2213 break; 2214 } 2215 2216 if (softc->quirks & CD_Q_BCD_TRACKS) { 2217 /* we are going to have to convert the BCD 2218 * encoding on the cd to what is expected 2219 */ 2220 th->starting_track = 2221 bcd2bin(th->starting_track); 2222 th->ending_track = bcd2bin(th->ending_track); 2223 } 2224 2225 if (starting_track == 0) 2226 starting_track = th->starting_track; 2227 else if (starting_track == LEADOUT) 2228 starting_track = th->ending_track + 1; 2229 else if (starting_track < th->starting_track || 2230 starting_track > th->ending_track + 1) { 2231 printf("scsi_cd: error in readtocentries, " 2232 "returning EINVAL\n"); 2233 free(data, M_SCSICD); 2234 free(lead, M_SCSICD); 2235 cam_periph_unlock(periph); 2236 error = EINVAL; 2237 break; 2238 } 2239 2240 /* calculate reading length without leadout entry */ 2241 readlen = (th->ending_track - starting_track + 1) * 2242 sizeof(struct cd_toc_entry); 2243 2244 /* and with leadout entry */ 2245 len = readlen + sizeof(struct cd_toc_entry); 2246 if (te->data_len < len) { 2247 len = te->data_len; 2248 if (readlen > len) 2249 readlen = len; 2250 } 2251 if (len > sizeof(data->entries)) { 2252 printf("scsi_cd: error in readtocentries, " 2253 "returning EINVAL\n"); 2254 error = EINVAL; 2255 free(data, M_SCSICD); 2256 free(lead, M_SCSICD); 2257 cam_periph_unlock(periph); 2258 break; 2259 } 2260 num = len / sizeof(struct cd_toc_entry); 2261 2262 if (readlen > 0) { 2263 error = cdreadtoc(periph, te->address_format, 2264 starting_track, 2265 (u_int8_t *)data, 2266 readlen + sizeof (*th), 2267 /*sense_flags*/0); 2268 if (error) { 2269 free(data, M_SCSICD); 2270 free(lead, M_SCSICD); 2271 cam_periph_unlock(periph); 2272 break; 2273 } 2274 } 2275 2276 /* make leadout entry if needed */ 2277 idx = starting_track + num - 1; 2278 if (softc->quirks & CD_Q_BCD_TRACKS) 2279 th->ending_track = bcd2bin(th->ending_track); 2280 if (idx == th->ending_track + 1) { 2281 error = cdreadtoc(periph, te->address_format, 2282 LEADOUT, (u_int8_t *)lead, 2283 sizeof(*lead), 2284 /*sense_flags*/0); 2285 if (error) { 2286 free(data, M_SCSICD); 2287 free(lead, M_SCSICD); 2288 cam_periph_unlock(periph); 2289 break; 2290 } 2291 data->entries[idx - starting_track] = 2292 lead->entry; 2293 } 2294 if (softc->quirks & CD_Q_BCD_TRACKS) { 2295 for (idx = 0; idx < num - 1; idx++) { 2296 data->entries[idx].track = 2297 bcd2bin(data->entries[idx].track); 2298 } 2299 } 2300 2301 cam_periph_unlock(periph); 2302 error = copyout(data->entries, te->data, len); 2303 free(data, M_SCSICD); 2304 free(lead, M_SCSICD); 2305 } 2306 break; 2307 case CDIOREADTOCENTRY: 2308 { 2309 struct cd_toc_single *data; 2310 struct ioc_read_toc_single_entry *te = 2311 (struct ioc_read_toc_single_entry *) addr; 2312 struct ioc_toc_header *th; 2313 u_int32_t track; 2314 2315 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2316 2317 cam_periph_lock(periph); 2318 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2319 ("trying to do CDIOREADTOCENTRY\n")); 2320 2321 if (te->address_format != CD_MSF_FORMAT 2322 && te->address_format != CD_LBA_FORMAT) { 2323 printf("error in readtocentry, " 2324 " returning EINVAL\n"); 2325 free(data, M_SCSICD); 2326 error = EINVAL; 2327 cam_periph_unlock(periph); 2328 break; 2329 } 2330 2331 th = &data->header; 2332 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2333 sizeof (*th), /*sense_flags*/0); 2334 if (error) { 2335 free(data, M_SCSICD); 2336 cam_periph_unlock(periph); 2337 break; 2338 } 2339 2340 if (softc->quirks & CD_Q_BCD_TRACKS) { 2341 /* we are going to have to convert the BCD 2342 * encoding on the cd to what is expected 2343 */ 2344 th->starting_track = 2345 bcd2bin(th->starting_track); 2346 th->ending_track = bcd2bin(th->ending_track); 2347 } 2348 track = te->track; 2349 if (track == 0) 2350 track = th->starting_track; 2351 else if (track == LEADOUT) 2352 /* OK */; 2353 else if (track < th->starting_track || 2354 track > th->ending_track + 1) { 2355 printf("error in readtocentry, " 2356 " returning EINVAL\n"); 2357 free(data, M_SCSICD); 2358 error = EINVAL; 2359 cam_periph_unlock(periph); 2360 break; 2361 } 2362 2363 error = cdreadtoc(periph, te->address_format, track, 2364 (u_int8_t *)data, sizeof(*data), 2365 /*sense_flags*/0); 2366 if (error) { 2367 free(data, M_SCSICD); 2368 cam_periph_unlock(periph); 2369 break; 2370 } 2371 2372 if (softc->quirks & CD_Q_BCD_TRACKS) 2373 data->entry.track = bcd2bin(data->entry.track); 2374 bcopy(&data->entry, &te->entry, 2375 sizeof(struct cd_toc_entry)); 2376 free(data, M_SCSICD); 2377 cam_periph_unlock(periph); 2378 } 2379 break; 2380 case CDIOCSETPATCH: 2381 { 2382 struct ioc_patch *arg = (struct ioc_patch *)addr; 2383 struct cd_mode_params params; 2384 union cd_pages *page; 2385 2386 params.alloc_len = sizeof(union cd_mode_data_6_10); 2387 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2388 M_WAITOK | M_ZERO); 2389 2390 cam_periph_lock(periph); 2391 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2392 ("trying to do CDIOCSETPATCH\n")); 2393 2394 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2395 if (error) { 2396 free(params.mode_buf, M_SCSICD); 2397 cam_periph_unlock(periph); 2398 break; 2399 } 2400 page = cdgetpage(¶ms); 2401 2402 page->audio.port[LEFT_PORT].channels = 2403 arg->patch[0]; 2404 page->audio.port[RIGHT_PORT].channels = 2405 arg->patch[1]; 2406 page->audio.port[2].channels = arg->patch[2]; 2407 page->audio.port[3].channels = arg->patch[3]; 2408 error = cdsetmode(periph, ¶ms); 2409 free(params.mode_buf, M_SCSICD); 2410 cam_periph_unlock(periph); 2411 } 2412 break; 2413 case CDIOCGETVOL: 2414 { 2415 struct ioc_vol *arg = (struct ioc_vol *) addr; 2416 struct cd_mode_params params; 2417 union cd_pages *page; 2418 2419 params.alloc_len = sizeof(union cd_mode_data_6_10); 2420 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2421 M_WAITOK | M_ZERO); 2422 2423 cam_periph_lock(periph); 2424 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2425 ("trying to do CDIOCGETVOL\n")); 2426 2427 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2428 if (error) { 2429 free(params.mode_buf, M_SCSICD); 2430 cam_periph_unlock(periph); 2431 break; 2432 } 2433 page = cdgetpage(¶ms); 2434 2435 arg->vol[LEFT_PORT] = 2436 page->audio.port[LEFT_PORT].volume; 2437 arg->vol[RIGHT_PORT] = 2438 page->audio.port[RIGHT_PORT].volume; 2439 arg->vol[2] = page->audio.port[2].volume; 2440 arg->vol[3] = page->audio.port[3].volume; 2441 free(params.mode_buf, M_SCSICD); 2442 cam_periph_unlock(periph); 2443 } 2444 break; 2445 case CDIOCSETVOL: 2446 { 2447 struct ioc_vol *arg = (struct ioc_vol *) addr; 2448 struct cd_mode_params params; 2449 union cd_pages *page; 2450 2451 params.alloc_len = sizeof(union cd_mode_data_6_10); 2452 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2453 M_WAITOK | M_ZERO); 2454 2455 cam_periph_lock(periph); 2456 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2457 ("trying to do CDIOCSETVOL\n")); 2458 2459 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2460 if (error) { 2461 free(params.mode_buf, M_SCSICD); 2462 cam_periph_unlock(periph); 2463 break; 2464 } 2465 page = cdgetpage(¶ms); 2466 2467 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2468 page->audio.port[LEFT_PORT].volume = 2469 arg->vol[LEFT_PORT]; 2470 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2471 page->audio.port[RIGHT_PORT].volume = 2472 arg->vol[RIGHT_PORT]; 2473 page->audio.port[2].volume = arg->vol[2]; 2474 page->audio.port[3].volume = arg->vol[3]; 2475 error = cdsetmode(periph, ¶ms); 2476 cam_periph_unlock(periph); 2477 free(params.mode_buf, M_SCSICD); 2478 } 2479 break; 2480 case CDIOCSETMONO: 2481 { 2482 struct cd_mode_params params; 2483 union cd_pages *page; 2484 2485 params.alloc_len = sizeof(union cd_mode_data_6_10); 2486 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2487 M_WAITOK | M_ZERO); 2488 2489 cam_periph_lock(periph); 2490 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2491 ("trying to do CDIOCSETMONO\n")); 2492 2493 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2494 if (error) { 2495 free(params.mode_buf, M_SCSICD); 2496 cam_periph_unlock(periph); 2497 break; 2498 } 2499 page = cdgetpage(¶ms); 2500 2501 page->audio.port[LEFT_PORT].channels = 2502 LEFT_CHANNEL | RIGHT_CHANNEL; 2503 page->audio.port[RIGHT_PORT].channels = 2504 LEFT_CHANNEL | RIGHT_CHANNEL; 2505 page->audio.port[2].channels = 0; 2506 page->audio.port[3].channels = 0; 2507 error = cdsetmode(periph, ¶ms); 2508 cam_periph_unlock(periph); 2509 free(params.mode_buf, M_SCSICD); 2510 } 2511 break; 2512 case CDIOCSETSTEREO: 2513 { 2514 struct cd_mode_params params; 2515 union cd_pages *page; 2516 2517 params.alloc_len = sizeof(union cd_mode_data_6_10); 2518 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2519 M_WAITOK | M_ZERO); 2520 2521 cam_periph_lock(periph); 2522 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2523 ("trying to do CDIOCSETSTEREO\n")); 2524 2525 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2526 if (error) { 2527 free(params.mode_buf, M_SCSICD); 2528 cam_periph_unlock(periph); 2529 break; 2530 } 2531 page = cdgetpage(¶ms); 2532 2533 page->audio.port[LEFT_PORT].channels = 2534 LEFT_CHANNEL; 2535 page->audio.port[RIGHT_PORT].channels = 2536 RIGHT_CHANNEL; 2537 page->audio.port[2].channels = 0; 2538 page->audio.port[3].channels = 0; 2539 error = cdsetmode(periph, ¶ms); 2540 free(params.mode_buf, M_SCSICD); 2541 cam_periph_unlock(periph); 2542 } 2543 break; 2544 case CDIOCSETMUTE: 2545 { 2546 struct cd_mode_params params; 2547 union cd_pages *page; 2548 2549 params.alloc_len = sizeof(union cd_mode_data_6_10); 2550 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2551 M_WAITOK | M_ZERO); 2552 2553 cam_periph_lock(periph); 2554 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2555 ("trying to do CDIOCSETMUTE\n")); 2556 2557 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2558 if (error) { 2559 free(params.mode_buf, M_SCSICD); 2560 cam_periph_unlock(periph); 2561 break; 2562 } 2563 page = cdgetpage(¶ms); 2564 2565 page->audio.port[LEFT_PORT].channels = 0; 2566 page->audio.port[RIGHT_PORT].channels = 0; 2567 page->audio.port[2].channels = 0; 2568 page->audio.port[3].channels = 0; 2569 error = cdsetmode(periph, ¶ms); 2570 free(params.mode_buf, M_SCSICD); 2571 cam_periph_unlock(periph); 2572 } 2573 break; 2574 case CDIOCSETLEFT: 2575 { 2576 struct cd_mode_params params; 2577 union cd_pages *page; 2578 2579 params.alloc_len = sizeof(union cd_mode_data_6_10); 2580 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2581 M_WAITOK | M_ZERO); 2582 2583 cam_periph_lock(periph); 2584 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2585 ("trying to do CDIOCSETLEFT\n")); 2586 2587 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2588 if (error) { 2589 free(params.mode_buf, M_SCSICD); 2590 cam_periph_unlock(periph); 2591 break; 2592 } 2593 page = cdgetpage(¶ms); 2594 2595 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2596 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2597 page->audio.port[2].channels = 0; 2598 page->audio.port[3].channels = 0; 2599 error = cdsetmode(periph, ¶ms); 2600 free(params.mode_buf, M_SCSICD); 2601 cam_periph_unlock(periph); 2602 } 2603 break; 2604 case CDIOCSETRIGHT: 2605 { 2606 struct cd_mode_params params; 2607 union cd_pages *page; 2608 2609 params.alloc_len = sizeof(union cd_mode_data_6_10); 2610 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2611 M_WAITOK | M_ZERO); 2612 2613 cam_periph_lock(periph); 2614 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2615 ("trying to do CDIOCSETRIGHT\n")); 2616 2617 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2618 if (error) { 2619 free(params.mode_buf, M_SCSICD); 2620 cam_periph_unlock(periph); 2621 break; 2622 } 2623 page = cdgetpage(¶ms); 2624 2625 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2626 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2627 page->audio.port[2].channels = 0; 2628 page->audio.port[3].channels = 0; 2629 error = cdsetmode(periph, ¶ms); 2630 free(params.mode_buf, M_SCSICD); 2631 cam_periph_unlock(periph); 2632 } 2633 break; 2634 case CDIOCRESUME: 2635 cam_periph_lock(periph); 2636 error = cdpause(periph, 1); 2637 cam_periph_unlock(periph); 2638 break; 2639 case CDIOCPAUSE: 2640 cam_periph_lock(periph); 2641 error = cdpause(periph, 0); 2642 cam_periph_unlock(periph); 2643 break; 2644 case CDIOCSTART: 2645 cam_periph_lock(periph); 2646 error = cdstartunit(periph, 0); 2647 cam_periph_unlock(periph); 2648 break; 2649 case CDIOCCLOSE: 2650 cam_periph_lock(periph); 2651 error = cdstartunit(periph, 1); 2652 cam_periph_unlock(periph); 2653 break; 2654 case CDIOCSTOP: 2655 cam_periph_lock(periph); 2656 error = cdstopunit(periph, 0); 2657 cam_periph_unlock(periph); 2658 break; 2659 case CDIOCEJECT: 2660 cam_periph_lock(periph); 2661 error = cdstopunit(periph, 1); 2662 cam_periph_unlock(periph); 2663 break; 2664 case CDIOCALLOW: 2665 cam_periph_lock(periph); 2666 cdprevent(periph, PR_ALLOW); 2667 cam_periph_unlock(periph); 2668 break; 2669 case CDIOCPREVENT: 2670 cam_periph_lock(periph); 2671 cdprevent(periph, PR_PREVENT); 2672 cam_periph_unlock(periph); 2673 break; 2674 case CDIOCSETDEBUG: 2675 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2676 error = ENOTTY; 2677 break; 2678 case CDIOCCLRDEBUG: 2679 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2680 error = ENOTTY; 2681 break; 2682 case CDIOCRESET: 2683 /* return (cd_reset(periph)); */ 2684 error = ENOTTY; 2685 break; 2686 case CDRIOCREADSPEED: 2687 cam_periph_lock(periph); 2688 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2689 cam_periph_unlock(periph); 2690 break; 2691 case CDRIOCWRITESPEED: 2692 cam_periph_lock(periph); 2693 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2694 cam_periph_unlock(periph); 2695 break; 2696 case CDRIOCGETBLOCKSIZE: 2697 *(int *)addr = softc->params.blksize; 2698 break; 2699 case CDRIOCSETBLOCKSIZE: 2700 if (*(int *)addr <= 0) { 2701 error = EINVAL; 2702 break; 2703 } 2704 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2705 break; 2706 case DVDIOCSENDKEY: 2707 case DVDIOCREPORTKEY: { 2708 struct dvd_authinfo *authinfo; 2709 2710 authinfo = (struct dvd_authinfo *)addr; 2711 2712 if (cmd == DVDIOCREPORTKEY) 2713 error = cdreportkey(periph, authinfo); 2714 else 2715 error = cdsendkey(periph, authinfo); 2716 break; 2717 } 2718 case DVDIOCREADSTRUCTURE: { 2719 struct dvd_struct *dvdstruct; 2720 2721 dvdstruct = (struct dvd_struct *)addr; 2722 2723 error = cdreaddvdstructure(periph, dvdstruct); 2724 2725 break; 2726 } 2727 default: 2728 cam_periph_lock(periph); 2729 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2730 cam_periph_unlock(periph); 2731 break; 2732 } 2733 2734 cam_periph_lock(periph); 2735 cam_periph_unhold(periph); 2736 2737 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2738 if (error && bootverbose) { 2739 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2740 } 2741 cam_periph_unlock(periph); 2742 2743 return (error); 2744} 2745 2746static void 2747cdprevent(struct cam_periph *periph, int action) 2748{ 2749 union ccb *ccb; 2750 struct cd_softc *softc; 2751 int error; 2752 2753 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2754 2755 softc = (struct cd_softc *)periph->softc; 2756 2757 if (((action == PR_ALLOW) 2758 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2759 || ((action == PR_PREVENT) 2760 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2761 return; 2762 } 2763 2764 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2765 2766 scsi_prevent(&ccb->csio, 2767 /*retries*/ cd_retry_count, 2768 cddone, 2769 MSG_SIMPLE_Q_TAG, 2770 action, 2771 SSD_FULL_SIZE, 2772 /* timeout */60000); 2773 2774 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2775 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2776 2777 xpt_release_ccb(ccb); 2778 2779 if (error == 0) { 2780 if (action == PR_ALLOW) 2781 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2782 else 2783 softc->flags |= CD_FLAG_DISC_LOCKED; 2784 } 2785} 2786 2787/* 2788 * XXX: the disk media and sector size is only really able to change 2789 * XXX: while the device is closed. 2790 */ 2791static int 2792cdcheckmedia(struct cam_periph *periph) 2793{ 2794 struct cd_softc *softc; 2795 struct ioc_toc_header *toch; 2796 struct cd_toc_single leadout; 2797 u_int32_t size, toclen; 2798 int error, num_entries, cdindex; 2799 2800 softc = (struct cd_softc *)periph->softc; 2801 2802 cdprevent(periph, PR_PREVENT); 2803 softc->disk->d_sectorsize = 2048; 2804 softc->disk->d_mediasize = 0; 2805 2806 /* 2807 * Get the disc size and block size. If we can't get it, we don't 2808 * have media, most likely. 2809 */ 2810 if ((error = cdsize(periph, &size)) != 0) { 2811 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2812 cdprevent(periph, PR_ALLOW); 2813 return (error); 2814 } else { 2815 softc->flags |= CD_FLAG_VALID_MEDIA; 2816 softc->disk->d_sectorsize = softc->params.blksize; 2817 softc->disk->d_mediasize = 2818 (off_t)softc->params.blksize * softc->params.disksize; 2819 } 2820 2821 /* 2822 * Now we check the table of contents. This (currently) is only 2823 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2824 * things like present a separate entry in /dev for each track, 2825 * like that acd(4) driver does. 2826 */ 2827 bzero(&softc->toc, sizeof(softc->toc)); 2828 toch = &softc->toc.header; 2829 /* 2830 * We will get errors here for media that doesn't have a table of 2831 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2832 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2833 * has not been recorded (no complete session) and the Format codes 2834 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2835 * with an INVALID FIELD IN CDB. Devices that are not capable of 2836 * reading an incomplete session on DDC/CD-R/RW media shall report 2837 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2838 * 2839 * So this isn't fatal if we can't read the table of contents, it 2840 * just means that the user won't be able to issue the play tracks 2841 * ioctl, and likely lots of other stuff won't work either. They 2842 * need to burn the CD before we can do a whole lot with it. So 2843 * we don't print anything here if we get an error back. 2844 */ 2845 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2846 SF_NO_PRINT); 2847 /* 2848 * Errors in reading the table of contents aren't fatal, we just 2849 * won't have a valid table of contents cached. 2850 */ 2851 if (error != 0) { 2852 error = 0; 2853 bzero(&softc->toc, sizeof(softc->toc)); 2854 goto bailout; 2855 } 2856 2857 if (softc->quirks & CD_Q_BCD_TRACKS) { 2858 toch->starting_track = bcd2bin(toch->starting_track); 2859 toch->ending_track = bcd2bin(toch->ending_track); 2860 } 2861 2862 /* Number of TOC entries, plus leadout */ 2863 num_entries = (toch->ending_track - toch->starting_track) + 2; 2864 2865 if (num_entries <= 0) 2866 goto bailout; 2867 2868 toclen = num_entries * sizeof(struct cd_toc_entry); 2869 2870 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2871 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2872 SF_NO_PRINT); 2873 if (error != 0) { 2874 error = 0; 2875 bzero(&softc->toc, sizeof(softc->toc)); 2876 goto bailout; 2877 } 2878 2879 if (softc->quirks & CD_Q_BCD_TRACKS) { 2880 toch->starting_track = bcd2bin(toch->starting_track); 2881 toch->ending_track = bcd2bin(toch->ending_track); 2882 } 2883 /* 2884 * XXX KDM is this necessary? Probably only if the drive doesn't 2885 * return leadout information with the table of contents. 2886 */ 2887 cdindex = toch->starting_track + num_entries -1; 2888 if (cdindex == toch->ending_track + 1) { 2889 2890 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2891 (u_int8_t *)&leadout, sizeof(leadout), 2892 SF_NO_PRINT); 2893 if (error != 0) { 2894 error = 0; 2895 goto bailout; 2896 } 2897 softc->toc.entries[cdindex - toch->starting_track] = 2898 leadout.entry; 2899 } 2900 if (softc->quirks & CD_Q_BCD_TRACKS) { 2901 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2902 softc->toc.entries[cdindex].track = 2903 bcd2bin(softc->toc.entries[cdindex].track); 2904 } 2905 } 2906 2907 softc->flags |= CD_FLAG_VALID_TOC; 2908 2909 /* If the first track is audio, correct sector size. */ 2910 if ((softc->toc.entries[0].control & 4) == 0) { 2911 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2912 softc->disk->d_mediasize = 2913 (off_t)softc->params.blksize * softc->params.disksize; 2914 } 2915 2916bailout: 2917 2918 /* 2919 * We unconditionally (re)set the blocksize each time the 2920 * CD device is opened. This is because the CD can change, 2921 * and therefore the blocksize might change. 2922 * XXX problems here if some slice or partition is still 2923 * open with the old size? 2924 */ 2925 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2926 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2927 softc->disk->d_devstat->block_size = softc->params.blksize; 2928 2929 return (error); 2930} 2931 2932static int 2933cdsize(struct cam_periph *periph, u_int32_t *size) 2934{ 2935 struct cd_softc *softc; 2936 union ccb *ccb; 2937 struct scsi_read_capacity_data *rcap_buf; 2938 int error; 2939 2940 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2941 2942 softc = (struct cd_softc *)periph->softc; 2943 2944 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2945 2946 /* XXX Should be M_WAITOK */ 2947 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2948 M_SCSICD, M_NOWAIT | M_ZERO); 2949 if (rcap_buf == NULL) 2950 return (ENOMEM); 2951 2952 scsi_read_capacity(&ccb->csio, 2953 /*retries*/ cd_retry_count, 2954 cddone, 2955 MSG_SIMPLE_Q_TAG, 2956 rcap_buf, 2957 SSD_FULL_SIZE, 2958 /* timeout */20000); 2959 2960 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2961 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2962 2963 xpt_release_ccb(ccb); 2964 2965 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2966 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2967 /* Make sure we got at least some block size. */ 2968 if (error == 0 && softc->params.blksize == 0) 2969 error = EIO; 2970 /* 2971 * SCSI-3 mandates that the reported blocksize shall be 2048. 2972 * Older drives sometimes report funny values, trim it down to 2973 * 2048, or other parts of the kernel will get confused. 2974 * 2975 * XXX we leave drives alone that might report 512 bytes, as 2976 * well as drives reporting more weird sizes like perhaps 4K. 2977 */ 2978 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2979 softc->params.blksize = 2048; 2980 2981 free(rcap_buf, M_SCSICD); 2982 *size = softc->params.disksize; 2983 2984 return (error); 2985 2986} 2987 2988static int 2989cd6byteworkaround(union ccb *ccb) 2990{ 2991 u_int8_t *cdb; 2992 struct cam_periph *periph; 2993 struct cd_softc *softc; 2994 struct cd_mode_params *params; 2995 int frozen, found; 2996 2997 periph = xpt_path_periph(ccb->ccb_h.path); 2998 softc = (struct cd_softc *)periph->softc; 2999 3000 cdb = ccb->csio.cdb_io.cdb_bytes; 3001 3002 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3003 || ((cdb[0] != MODE_SENSE_6) 3004 && (cdb[0] != MODE_SELECT_6))) 3005 return (0); 3006 3007 /* 3008 * Because there is no convenient place to stash the overall 3009 * cd_mode_params structure pointer, we have to grab it like this. 3010 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3011 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3012 * 3013 * XXX It would be nice if, at some point, we could increase the 3014 * number of available peripheral private pointers. Both pointers 3015 * are currently used in most every peripheral driver. 3016 */ 3017 found = 0; 3018 3019 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3020 if (params->mode_buf == ccb->csio.data_ptr) { 3021 found = 1; 3022 break; 3023 } 3024 } 3025 3026 /* 3027 * This shouldn't happen. All mode sense and mode select 3028 * operations in the cd(4) driver MUST go through cdgetmode() and 3029 * cdsetmode()! 3030 */ 3031 if (found == 0) { 3032 xpt_print(periph->path, 3033 "mode buffer not found in mode queue!\n"); 3034 return (0); 3035 } 3036 3037 params->cdb_size = 10; 3038 softc->minimum_command_size = 10; 3039 xpt_print(ccb->ccb_h.path, 3040 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3041 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3042 3043 if (cdb[0] == MODE_SENSE_6) { 3044 struct scsi_mode_sense_10 ms10; 3045 struct scsi_mode_sense_6 *ms6; 3046 int len; 3047 3048 ms6 = (struct scsi_mode_sense_6 *)cdb; 3049 3050 bzero(&ms10, sizeof(ms10)); 3051 ms10.opcode = MODE_SENSE_10; 3052 ms10.byte2 = ms6->byte2; 3053 ms10.page = ms6->page; 3054 3055 /* 3056 * 10 byte mode header, block descriptor, 3057 * sizeof(union cd_pages) 3058 */ 3059 len = sizeof(struct cd_mode_data_10); 3060 ccb->csio.dxfer_len = len; 3061 3062 scsi_ulto2b(len, ms10.length); 3063 ms10.control = ms6->control; 3064 bcopy(&ms10, cdb, 10); 3065 ccb->csio.cdb_len = 10; 3066 } else { 3067 struct scsi_mode_select_10 ms10; 3068 struct scsi_mode_select_6 *ms6; 3069 struct scsi_mode_header_6 *header6; 3070 struct scsi_mode_header_10 *header10; 3071 struct scsi_mode_page_header *page_header; 3072 int blk_desc_len, page_num, page_size, len; 3073 3074 ms6 = (struct scsi_mode_select_6 *)cdb; 3075 3076 bzero(&ms10, sizeof(ms10)); 3077 ms10.opcode = MODE_SELECT_10; 3078 ms10.byte2 = ms6->byte2; 3079 3080 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3081 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3082 3083 page_header = find_mode_page_6(header6); 3084 page_num = page_header->page_code; 3085 3086 blk_desc_len = header6->blk_desc_len; 3087 3088 page_size = cdgetpagesize(page_num); 3089 3090 if (page_size != (page_header->page_length + 3091 sizeof(*page_header))) 3092 page_size = page_header->page_length + 3093 sizeof(*page_header); 3094 3095 len = sizeof(*header10) + blk_desc_len + page_size; 3096 3097 len = min(params->alloc_len, len); 3098 3099 /* 3100 * Since the 6 byte parameter header is shorter than the 10 3101 * byte parameter header, we need to copy the actual mode 3102 * page data, and the block descriptor, if any, so things wind 3103 * up in the right place. The regions will overlap, but 3104 * bcopy() does the right thing. 3105 */ 3106 bcopy(params->mode_buf + sizeof(*header6), 3107 params->mode_buf + sizeof(*header10), 3108 len - sizeof(*header10)); 3109 3110 /* Make sure these fields are set correctly. */ 3111 scsi_ulto2b(0, header10->data_length); 3112 header10->medium_type = 0; 3113 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3114 3115 ccb->csio.dxfer_len = len; 3116 3117 scsi_ulto2b(len, ms10.length); 3118 ms10.control = ms6->control; 3119 bcopy(&ms10, cdb, 10); 3120 ccb->csio.cdb_len = 10; 3121 } 3122 3123 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3124 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3125 xpt_action(ccb); 3126 if (frozen) { 3127 cam_release_devq(ccb->ccb_h.path, 3128 /*relsim_flags*/0, 3129 /*openings*/0, 3130 /*timeout*/0, 3131 /*getcount_only*/0); 3132 } 3133 3134 return (ERESTART); 3135} 3136 3137static int 3138cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3139{ 3140 struct cd_softc *softc; 3141 struct cam_periph *periph; 3142 int error; 3143 3144 periph = xpt_path_periph(ccb->ccb_h.path); 3145 softc = (struct cd_softc *)periph->softc; 3146 3147 error = 0; 3148 3149 /* 3150 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3151 * CDB comes back with this particular error, try transforming it 3152 * into the 10 byte version. 3153 */ 3154 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3155 error = cd6byteworkaround(ccb); 3156 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3157 CAM_SCSI_STATUS_ERROR) 3158 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3159 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3160 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3161 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3162 int sense_key, error_code, asc, ascq; 3163 3164 scsi_extract_sense_len(&ccb->csio.sense_data, 3165 ccb->csio.sense_len - ccb->csio.sense_resid, &error_code, 3166 &sense_key, &asc, &ascq, /*show_errors*/ 1); 3167 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3168 error = cd6byteworkaround(ccb); 3169 } 3170 3171 if (error == ERESTART) 3172 return (error); 3173 3174 /* 3175 * XXX 3176 * Until we have a better way of doing pack validation, 3177 * don't treat UAs as errors. 3178 */ 3179 sense_flags |= SF_RETRY_UA; 3180 return (cam_periph_error(ccb, cam_flags, sense_flags, 3181 &softc->saved_ccb)); 3182} 3183 3184/* 3185 * Read table of contents 3186 */ 3187static int 3188cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3189 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3190{ 3191 struct scsi_read_toc *scsi_cmd; 3192 u_int32_t ntoc; 3193 struct ccb_scsiio *csio; 3194 union ccb *ccb; 3195 int error; 3196 3197 ntoc = len; 3198 error = 0; 3199 3200 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3201 3202 csio = &ccb->csio; 3203 3204 cam_fill_csio(csio, 3205 /* retries */ cd_retry_count, 3206 /* cbfcnp */ cddone, 3207 /* flags */ CAM_DIR_IN, 3208 /* tag_action */ MSG_SIMPLE_Q_TAG, 3209 /* data_ptr */ data, 3210 /* dxfer_len */ len, 3211 /* sense_len */ SSD_FULL_SIZE, 3212 sizeof(struct scsi_read_toc), 3213 /* timeout */ 50000); 3214 3215 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3216 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3217 3218 if (mode == CD_MSF_FORMAT) 3219 scsi_cmd->byte2 |= CD_MSF; 3220 scsi_cmd->from_track = start; 3221 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3222 scsi_cmd->data_len[0] = (ntoc) >> 8; 3223 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3224 3225 scsi_cmd->op_code = READ_TOC; 3226 3227 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3228 /*sense_flags*/SF_RETRY_UA | sense_flags); 3229 3230 xpt_release_ccb(ccb); 3231 3232 return(error); 3233} 3234 3235static int 3236cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3237 u_int32_t format, int track, 3238 struct cd_sub_channel_info *data, u_int32_t len) 3239{ 3240 struct scsi_read_subchannel *scsi_cmd; 3241 struct ccb_scsiio *csio; 3242 union ccb *ccb; 3243 int error; 3244 3245 error = 0; 3246 3247 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3248 3249 csio = &ccb->csio; 3250 3251 cam_fill_csio(csio, 3252 /* retries */ cd_retry_count, 3253 /* cbfcnp */ cddone, 3254 /* flags */ CAM_DIR_IN, 3255 /* tag_action */ MSG_SIMPLE_Q_TAG, 3256 /* data_ptr */ (u_int8_t *)data, 3257 /* dxfer_len */ len, 3258 /* sense_len */ SSD_FULL_SIZE, 3259 sizeof(struct scsi_read_subchannel), 3260 /* timeout */ 50000); 3261 3262 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3263 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3264 3265 scsi_cmd->op_code = READ_SUBCHANNEL; 3266 if (mode == CD_MSF_FORMAT) 3267 scsi_cmd->byte1 |= CD_MSF; 3268 scsi_cmd->byte2 = SRS_SUBQ; 3269 scsi_cmd->subchan_format = format; 3270 scsi_cmd->track = track; 3271 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3272 scsi_cmd->control = 0; 3273 3274 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3275 /*sense_flags*/SF_RETRY_UA); 3276 3277 xpt_release_ccb(ccb); 3278 3279 return(error); 3280} 3281 3282 3283/* 3284 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3285 * routine. See comments in cd6byteworkaround() for details. 3286 */ 3287static int 3288cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3289 u_int32_t page) 3290{ 3291 struct ccb_scsiio *csio; 3292 struct cd_softc *softc; 3293 union ccb *ccb; 3294 int param_len; 3295 int error; 3296 3297 softc = (struct cd_softc *)periph->softc; 3298 3299 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3300 3301 csio = &ccb->csio; 3302 3303 data->cdb_size = softc->minimum_command_size; 3304 if (data->cdb_size < 10) 3305 param_len = sizeof(struct cd_mode_data); 3306 else 3307 param_len = sizeof(struct cd_mode_data_10); 3308 3309 /* Don't say we've got more room than we actually allocated */ 3310 param_len = min(param_len, data->alloc_len); 3311 3312 scsi_mode_sense_len(csio, 3313 /* retries */ cd_retry_count, 3314 /* cbfcnp */ cddone, 3315 /* tag_action */ MSG_SIMPLE_Q_TAG, 3316 /* dbd */ 0, 3317 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3318 /* page */ page, 3319 /* param_buf */ data->mode_buf, 3320 /* param_len */ param_len, 3321 /* minimum_cmd_size */ softc->minimum_command_size, 3322 /* sense_len */ SSD_FULL_SIZE, 3323 /* timeout */ 50000); 3324 3325 /* 3326 * It would be nice not to have to do this, but there's no 3327 * available pointer in the CCB that would allow us to stuff the 3328 * mode params structure in there and retrieve it in 3329 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3330 * lets the caller know what CDB size we ended up using, so they 3331 * can find the actual mode page offset. 3332 */ 3333 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3334 3335 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3336 /*sense_flags*/SF_RETRY_UA); 3337 3338 xpt_release_ccb(ccb); 3339 3340 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3341 3342 /* 3343 * This is a bit of belt-and-suspenders checking, but if we run 3344 * into a situation where the target sends back multiple block 3345 * descriptors, we might not have enough space in the buffer to 3346 * see the whole mode page. Better to return an error than 3347 * potentially access memory beyond our malloced region. 3348 */ 3349 if (error == 0) { 3350 u_int32_t data_len; 3351 3352 if (data->cdb_size == 10) { 3353 struct scsi_mode_header_10 *hdr10; 3354 3355 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3356 data_len = scsi_2btoul(hdr10->data_length); 3357 data_len += sizeof(hdr10->data_length); 3358 } else { 3359 struct scsi_mode_header_6 *hdr6; 3360 3361 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3362 data_len = hdr6->data_length; 3363 data_len += sizeof(hdr6->data_length); 3364 } 3365 3366 /* 3367 * Complain if there is more mode data available than we 3368 * allocated space for. This could potentially happen if 3369 * we miscalculated the page length for some reason, if the 3370 * drive returns multiple block descriptors, or if it sets 3371 * the data length incorrectly. 3372 */ 3373 if (data_len > data->alloc_len) { 3374 xpt_print(periph->path, "allocated modepage %d length " 3375 "%d < returned length %d\n", page, data->alloc_len, 3376 data_len); 3377 error = ENOSPC; 3378 } 3379 } 3380 return (error); 3381} 3382 3383/* 3384 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3385 * routine. See comments in cd6byteworkaround() for details. 3386 */ 3387static int 3388cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3389{ 3390 struct ccb_scsiio *csio; 3391 struct cd_softc *softc; 3392 union ccb *ccb; 3393 int cdb_size, param_len; 3394 int error; 3395 3396 softc = (struct cd_softc *)periph->softc; 3397 3398 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3399 3400 csio = &ccb->csio; 3401 3402 error = 0; 3403 3404 /* 3405 * If the data is formatted for the 10 byte version of the mode 3406 * select parameter list, we need to use the 10 byte CDB. 3407 * Otherwise, we use whatever the stored minimum command size. 3408 */ 3409 if (data->cdb_size == 10) 3410 cdb_size = data->cdb_size; 3411 else 3412 cdb_size = softc->minimum_command_size; 3413 3414 if (cdb_size >= 10) { 3415 struct scsi_mode_header_10 *mode_header; 3416 u_int32_t data_len; 3417 3418 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3419 3420 data_len = scsi_2btoul(mode_header->data_length); 3421 3422 scsi_ulto2b(0, mode_header->data_length); 3423 /* 3424 * SONY drives do not allow a mode select with a medium_type 3425 * value that has just been returned by a mode sense; use a 3426 * medium_type of 0 (Default) instead. 3427 */ 3428 mode_header->medium_type = 0; 3429 3430 /* 3431 * Pass back whatever the drive passed to us, plus the size 3432 * of the data length field. 3433 */ 3434 param_len = data_len + sizeof(mode_header->data_length); 3435 3436 } else { 3437 struct scsi_mode_header_6 *mode_header; 3438 3439 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3440 3441 param_len = mode_header->data_length + 1; 3442 3443 mode_header->data_length = 0; 3444 /* 3445 * SONY drives do not allow a mode select with a medium_type 3446 * value that has just been returned by a mode sense; use a 3447 * medium_type of 0 (Default) instead. 3448 */ 3449 mode_header->medium_type = 0; 3450 } 3451 3452 /* Don't say we've got more room than we actually allocated */ 3453 param_len = min(param_len, data->alloc_len); 3454 3455 scsi_mode_select_len(csio, 3456 /* retries */ cd_retry_count, 3457 /* cbfcnp */ cddone, 3458 /* tag_action */ MSG_SIMPLE_Q_TAG, 3459 /* scsi_page_fmt */ 1, 3460 /* save_pages */ 0, 3461 /* param_buf */ data->mode_buf, 3462 /* param_len */ param_len, 3463 /* minimum_cmd_size */ cdb_size, 3464 /* sense_len */ SSD_FULL_SIZE, 3465 /* timeout */ 50000); 3466 3467 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3468 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3469 3470 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3471 /*sense_flags*/SF_RETRY_UA); 3472 3473 xpt_release_ccb(ccb); 3474 3475 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3476 3477 return (error); 3478} 3479 3480 3481static int 3482cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3483{ 3484 struct ccb_scsiio *csio; 3485 union ccb *ccb; 3486 int error; 3487 u_int8_t cdb_len; 3488 3489 error = 0; 3490 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3491 csio = &ccb->csio; 3492 /* 3493 * Use the smallest possible command to perform the operation. 3494 */ 3495 if ((len & 0xffff0000) == 0) { 3496 /* 3497 * We can fit in a 10 byte cdb. 3498 */ 3499 struct scsi_play_10 *scsi_cmd; 3500 3501 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3502 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3503 scsi_cmd->op_code = PLAY_10; 3504 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3505 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3506 cdb_len = sizeof(*scsi_cmd); 3507 } else { 3508 struct scsi_play_12 *scsi_cmd; 3509 3510 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3511 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3512 scsi_cmd->op_code = PLAY_12; 3513 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3514 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3515 cdb_len = sizeof(*scsi_cmd); 3516 } 3517 cam_fill_csio(csio, 3518 /*retries*/ cd_retry_count, 3519 cddone, 3520 /*flags*/CAM_DIR_NONE, 3521 MSG_SIMPLE_Q_TAG, 3522 /*dataptr*/NULL, 3523 /*datalen*/0, 3524 /*sense_len*/SSD_FULL_SIZE, 3525 cdb_len, 3526 /*timeout*/50 * 1000); 3527 3528 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3529 /*sense_flags*/SF_RETRY_UA); 3530 3531 xpt_release_ccb(ccb); 3532 3533 return(error); 3534} 3535 3536static int 3537cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3538 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3539{ 3540 struct scsi_play_msf *scsi_cmd; 3541 struct ccb_scsiio *csio; 3542 union ccb *ccb; 3543 int error; 3544 3545 error = 0; 3546 3547 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3548 3549 csio = &ccb->csio; 3550 3551 cam_fill_csio(csio, 3552 /* retries */ cd_retry_count, 3553 /* cbfcnp */ cddone, 3554 /* flags */ CAM_DIR_NONE, 3555 /* tag_action */ MSG_SIMPLE_Q_TAG, 3556 /* data_ptr */ NULL, 3557 /* dxfer_len */ 0, 3558 /* sense_len */ SSD_FULL_SIZE, 3559 sizeof(struct scsi_play_msf), 3560 /* timeout */ 50000); 3561 3562 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3563 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3564 3565 scsi_cmd->op_code = PLAY_MSF; 3566 scsi_cmd->start_m = startm; 3567 scsi_cmd->start_s = starts; 3568 scsi_cmd->start_f = startf; 3569 scsi_cmd->end_m = endm; 3570 scsi_cmd->end_s = ends; 3571 scsi_cmd->end_f = endf; 3572 3573 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3574 /*sense_flags*/SF_RETRY_UA); 3575 3576 xpt_release_ccb(ccb); 3577 3578 return(error); 3579} 3580 3581 3582static int 3583cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3584 u_int32_t etrack, u_int32_t eindex) 3585{ 3586 struct scsi_play_track *scsi_cmd; 3587 struct ccb_scsiio *csio; 3588 union ccb *ccb; 3589 int error; 3590 3591 error = 0; 3592 3593 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3594 3595 csio = &ccb->csio; 3596 3597 cam_fill_csio(csio, 3598 /* retries */ cd_retry_count, 3599 /* cbfcnp */ cddone, 3600 /* flags */ CAM_DIR_NONE, 3601 /* tag_action */ MSG_SIMPLE_Q_TAG, 3602 /* data_ptr */ NULL, 3603 /* dxfer_len */ 0, 3604 /* sense_len */ SSD_FULL_SIZE, 3605 sizeof(struct scsi_play_track), 3606 /* timeout */ 50000); 3607 3608 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3609 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3610 3611 scsi_cmd->op_code = PLAY_TRACK; 3612 scsi_cmd->start_track = strack; 3613 scsi_cmd->start_index = sindex; 3614 scsi_cmd->end_track = etrack; 3615 scsi_cmd->end_index = eindex; 3616 3617 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3618 /*sense_flags*/SF_RETRY_UA); 3619 3620 xpt_release_ccb(ccb); 3621 3622 return(error); 3623} 3624 3625static int 3626cdpause(struct cam_periph *periph, u_int32_t go) 3627{ 3628 struct scsi_pause *scsi_cmd; 3629 struct ccb_scsiio *csio; 3630 union ccb *ccb; 3631 int error; 3632 3633 error = 0; 3634 3635 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3636 3637 csio = &ccb->csio; 3638 3639 cam_fill_csio(csio, 3640 /* retries */ cd_retry_count, 3641 /* cbfcnp */ cddone, 3642 /* flags */ CAM_DIR_NONE, 3643 /* tag_action */ MSG_SIMPLE_Q_TAG, 3644 /* data_ptr */ NULL, 3645 /* dxfer_len */ 0, 3646 /* sense_len */ SSD_FULL_SIZE, 3647 sizeof(struct scsi_pause), 3648 /* timeout */ 50000); 3649 3650 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3651 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3652 3653 scsi_cmd->op_code = PAUSE; 3654 scsi_cmd->resume = go; 3655 3656 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3657 /*sense_flags*/SF_RETRY_UA); 3658 3659 xpt_release_ccb(ccb); 3660 3661 return(error); 3662} 3663 3664static int 3665cdstartunit(struct cam_periph *periph, int load) 3666{ 3667 union ccb *ccb; 3668 int error; 3669 3670 error = 0; 3671 3672 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3673 3674 scsi_start_stop(&ccb->csio, 3675 /* retries */ cd_retry_count, 3676 /* cbfcnp */ cddone, 3677 /* tag_action */ MSG_SIMPLE_Q_TAG, 3678 /* start */ TRUE, 3679 /* load_eject */ load, 3680 /* immediate */ FALSE, 3681 /* sense_len */ SSD_FULL_SIZE, 3682 /* timeout */ 50000); 3683 3684 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3685 /*sense_flags*/SF_RETRY_UA); 3686 3687 xpt_release_ccb(ccb); 3688 3689 return(error); 3690} 3691 3692static int 3693cdstopunit(struct cam_periph *periph, u_int32_t eject) 3694{ 3695 union ccb *ccb; 3696 int error; 3697 3698 error = 0; 3699 3700 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3701 3702 scsi_start_stop(&ccb->csio, 3703 /* retries */ cd_retry_count, 3704 /* cbfcnp */ cddone, 3705 /* tag_action */ MSG_SIMPLE_Q_TAG, 3706 /* start */ FALSE, 3707 /* load_eject */ eject, 3708 /* immediate */ FALSE, 3709 /* sense_len */ SSD_FULL_SIZE, 3710 /* timeout */ 50000); 3711 3712 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3713 /*sense_flags*/SF_RETRY_UA); 3714 3715 xpt_release_ccb(ccb); 3716 3717 return(error); 3718} 3719 3720static int 3721cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3722{ 3723 struct scsi_set_speed *scsi_cmd; 3724 struct ccb_scsiio *csio; 3725 union ccb *ccb; 3726 int error; 3727 3728 error = 0; 3729 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3730 csio = &ccb->csio; 3731 3732 /* Preserve old behavior: units in multiples of CDROM speed */ 3733 if (rdspeed < 177) 3734 rdspeed *= 177; 3735 if (wrspeed < 177) 3736 wrspeed *= 177; 3737 3738 cam_fill_csio(csio, 3739 /* retries */ cd_retry_count, 3740 /* cbfcnp */ cddone, 3741 /* flags */ CAM_DIR_NONE, 3742 /* tag_action */ MSG_SIMPLE_Q_TAG, 3743 /* data_ptr */ NULL, 3744 /* dxfer_len */ 0, 3745 /* sense_len */ SSD_FULL_SIZE, 3746 sizeof(struct scsi_set_speed), 3747 /* timeout */ 50000); 3748 3749 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3750 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3751 3752 scsi_cmd->opcode = SET_CD_SPEED; 3753 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3754 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3755 3756 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3757 /*sense_flags*/SF_RETRY_UA); 3758 3759 xpt_release_ccb(ccb); 3760 3761 return(error); 3762} 3763 3764static int 3765cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3766{ 3767 union ccb *ccb; 3768 u_int8_t *databuf; 3769 u_int32_t lba; 3770 int error; 3771 int length; 3772 3773 error = 0; 3774 databuf = NULL; 3775 lba = 0; 3776 3777 switch (authinfo->format) { 3778 case DVD_REPORT_AGID: 3779 length = sizeof(struct scsi_report_key_data_agid); 3780 break; 3781 case DVD_REPORT_CHALLENGE: 3782 length = sizeof(struct scsi_report_key_data_challenge); 3783 break; 3784 case DVD_REPORT_KEY1: 3785 length = sizeof(struct scsi_report_key_data_key1_key2); 3786 break; 3787 case DVD_REPORT_TITLE_KEY: 3788 length = sizeof(struct scsi_report_key_data_title); 3789 /* The lba field is only set for the title key */ 3790 lba = authinfo->lba; 3791 break; 3792 case DVD_REPORT_ASF: 3793 length = sizeof(struct scsi_report_key_data_asf); 3794 break; 3795 case DVD_REPORT_RPC: 3796 length = sizeof(struct scsi_report_key_data_rpc); 3797 break; 3798 case DVD_INVALIDATE_AGID: 3799 length = 0; 3800 break; 3801 default: 3802 return (EINVAL); 3803 } 3804 3805 if (length != 0) { 3806 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3807 } else 3808 databuf = NULL; 3809 3810 cam_periph_lock(periph); 3811 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3812 3813 scsi_report_key(&ccb->csio, 3814 /* retries */ cd_retry_count, 3815 /* cbfcnp */ cddone, 3816 /* tag_action */ MSG_SIMPLE_Q_TAG, 3817 /* lba */ lba, 3818 /* agid */ authinfo->agid, 3819 /* key_format */ authinfo->format, 3820 /* data_ptr */ databuf, 3821 /* dxfer_len */ length, 3822 /* sense_len */ SSD_FULL_SIZE, 3823 /* timeout */ 50000); 3824 3825 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3826 /*sense_flags*/SF_RETRY_UA); 3827 3828 if (error != 0) 3829 goto bailout; 3830 3831 if (ccb->csio.resid != 0) { 3832 xpt_print(periph->path, "warning, residual for report key " 3833 "command is %d\n", ccb->csio.resid); 3834 } 3835 3836 switch(authinfo->format) { 3837 case DVD_REPORT_AGID: { 3838 struct scsi_report_key_data_agid *agid_data; 3839 3840 agid_data = (struct scsi_report_key_data_agid *)databuf; 3841 3842 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3843 RKD_AGID_SHIFT; 3844 break; 3845 } 3846 case DVD_REPORT_CHALLENGE: { 3847 struct scsi_report_key_data_challenge *chal_data; 3848 3849 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3850 3851 bcopy(chal_data->challenge_key, authinfo->keychal, 3852 min(sizeof(chal_data->challenge_key), 3853 sizeof(authinfo->keychal))); 3854 break; 3855 } 3856 case DVD_REPORT_KEY1: { 3857 struct scsi_report_key_data_key1_key2 *key1_data; 3858 3859 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3860 3861 bcopy(key1_data->key1, authinfo->keychal, 3862 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3863 break; 3864 } 3865 case DVD_REPORT_TITLE_KEY: { 3866 struct scsi_report_key_data_title *title_data; 3867 3868 title_data = (struct scsi_report_key_data_title *)databuf; 3869 3870 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3871 RKD_TITLE_CPM_SHIFT; 3872 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3873 RKD_TITLE_CP_SEC_SHIFT; 3874 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3875 RKD_TITLE_CMGS_SHIFT; 3876 bcopy(title_data->title_key, authinfo->keychal, 3877 min(sizeof(title_data->title_key), 3878 sizeof(authinfo->keychal))); 3879 break; 3880 } 3881 case DVD_REPORT_ASF: { 3882 struct scsi_report_key_data_asf *asf_data; 3883 3884 asf_data = (struct scsi_report_key_data_asf *)databuf; 3885 3886 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3887 break; 3888 } 3889 case DVD_REPORT_RPC: { 3890 struct scsi_report_key_data_rpc *rpc_data; 3891 3892 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3893 3894 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3895 RKD_RPC_TYPE_SHIFT; 3896 authinfo->vend_rsts = 3897 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3898 RKD_RPC_VENDOR_RESET_SHIFT; 3899 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3900 authinfo->region = rpc_data->region_mask; 3901 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3902 break; 3903 } 3904 case DVD_INVALIDATE_AGID: 3905 break; 3906 default: 3907 /* This should be impossible, since we checked above */ 3908 error = EINVAL; 3909 goto bailout; 3910 break; /* NOTREACHED */ 3911 } 3912 3913bailout: 3914 xpt_release_ccb(ccb); 3915 cam_periph_unlock(periph); 3916 3917 if (databuf != NULL) 3918 free(databuf, M_DEVBUF); 3919 3920 return(error); 3921} 3922 3923static int 3924cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3925{ 3926 union ccb *ccb; 3927 u_int8_t *databuf; 3928 int length; 3929 int error; 3930 3931 error = 0; 3932 databuf = NULL; 3933 3934 switch(authinfo->format) { 3935 case DVD_SEND_CHALLENGE: { 3936 struct scsi_report_key_data_challenge *challenge_data; 3937 3938 length = sizeof(*challenge_data); 3939 3940 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3941 3942 databuf = (u_int8_t *)challenge_data; 3943 3944 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3945 challenge_data->data_len); 3946 3947 bcopy(authinfo->keychal, challenge_data->challenge_key, 3948 min(sizeof(authinfo->keychal), 3949 sizeof(challenge_data->challenge_key))); 3950 break; 3951 } 3952 case DVD_SEND_KEY2: { 3953 struct scsi_report_key_data_key1_key2 *key2_data; 3954 3955 length = sizeof(*key2_data); 3956 3957 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3958 3959 databuf = (u_int8_t *)key2_data; 3960 3961 scsi_ulto2b(length - sizeof(key2_data->data_len), 3962 key2_data->data_len); 3963 3964 bcopy(authinfo->keychal, key2_data->key1, 3965 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3966 3967 break; 3968 } 3969 case DVD_SEND_RPC: { 3970 struct scsi_send_key_data_rpc *rpc_data; 3971 3972 length = sizeof(*rpc_data); 3973 3974 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3975 3976 databuf = (u_int8_t *)rpc_data; 3977 3978 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3979 rpc_data->data_len); 3980 3981 rpc_data->region_code = authinfo->region; 3982 break; 3983 } 3984 default: 3985 return (EINVAL); 3986 } 3987 3988 cam_periph_lock(periph); 3989 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3990 3991 scsi_send_key(&ccb->csio, 3992 /* retries */ cd_retry_count, 3993 /* cbfcnp */ cddone, 3994 /* tag_action */ MSG_SIMPLE_Q_TAG, 3995 /* agid */ authinfo->agid, 3996 /* key_format */ authinfo->format, 3997 /* data_ptr */ databuf, 3998 /* dxfer_len */ length, 3999 /* sense_len */ SSD_FULL_SIZE, 4000 /* timeout */ 50000); 4001 4002 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4003 /*sense_flags*/SF_RETRY_UA); 4004 4005 xpt_release_ccb(ccb); 4006 cam_periph_unlock(periph); 4007 4008 if (databuf != NULL) 4009 free(databuf, M_DEVBUF); 4010 4011 return(error); 4012} 4013 4014static int 4015cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4016{ 4017 union ccb *ccb; 4018 u_int8_t *databuf; 4019 u_int32_t address; 4020 int error; 4021 int length; 4022 4023 error = 0; 4024 databuf = NULL; 4025 /* The address is reserved for many of the formats */ 4026 address = 0; 4027 4028 switch(dvdstruct->format) { 4029 case DVD_STRUCT_PHYSICAL: 4030 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4031 break; 4032 case DVD_STRUCT_COPYRIGHT: 4033 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4034 break; 4035 case DVD_STRUCT_DISCKEY: 4036 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4037 break; 4038 case DVD_STRUCT_BCA: 4039 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4040 break; 4041 case DVD_STRUCT_MANUFACT: 4042 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4043 break; 4044 case DVD_STRUCT_CMI: 4045 return (ENODEV); 4046 case DVD_STRUCT_PROTDISCID: 4047 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4048 break; 4049 case DVD_STRUCT_DISCKEYBLOCK: 4050 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4051 break; 4052 case DVD_STRUCT_DDS: 4053 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4054 break; 4055 case DVD_STRUCT_MEDIUM_STAT: 4056 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4057 break; 4058 case DVD_STRUCT_SPARE_AREA: 4059 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4060 break; 4061 case DVD_STRUCT_RMD_LAST: 4062 return (ENODEV); 4063 case DVD_STRUCT_RMD_RMA: 4064 return (ENODEV); 4065 case DVD_STRUCT_PRERECORDED: 4066 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4067 break; 4068 case DVD_STRUCT_UNIQUEID: 4069 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4070 break; 4071 case DVD_STRUCT_DCB: 4072 return (ENODEV); 4073 case DVD_STRUCT_LIST: 4074 /* 4075 * This is the maximum allocation length for the READ DVD 4076 * STRUCTURE command. There's nothing in the MMC3 spec 4077 * that indicates a limit in the amount of data that can 4078 * be returned from this call, other than the limits 4079 * imposed by the 2-byte length variables. 4080 */ 4081 length = 65535; 4082 break; 4083 default: 4084 return (EINVAL); 4085 } 4086 4087 if (length != 0) { 4088 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4089 } else 4090 databuf = NULL; 4091 4092 cam_periph_lock(periph); 4093 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4094 4095 scsi_read_dvd_structure(&ccb->csio, 4096 /* retries */ cd_retry_count, 4097 /* cbfcnp */ cddone, 4098 /* tag_action */ MSG_SIMPLE_Q_TAG, 4099 /* lba */ address, 4100 /* layer_number */ dvdstruct->layer_num, 4101 /* key_format */ dvdstruct->format, 4102 /* agid */ dvdstruct->agid, 4103 /* data_ptr */ databuf, 4104 /* dxfer_len */ length, 4105 /* sense_len */ SSD_FULL_SIZE, 4106 /* timeout */ 50000); 4107 4108 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4109 /*sense_flags*/SF_RETRY_UA); 4110 4111 if (error != 0) 4112 goto bailout; 4113 4114 switch(dvdstruct->format) { 4115 case DVD_STRUCT_PHYSICAL: { 4116 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4117 struct dvd_layer *outlayer; 4118 struct scsi_read_dvd_struct_data_physical *phys_data; 4119 4120 phys_data = 4121 (struct scsi_read_dvd_struct_data_physical *)databuf; 4122 inlayer = &phys_data->layer_desc; 4123 outlayer = (struct dvd_layer *)&dvdstruct->data; 4124 4125 dvdstruct->length = sizeof(*inlayer); 4126 4127 outlayer->book_type = (inlayer->book_type_version & 4128 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4129 outlayer->book_version = (inlayer->book_type_version & 4130 RDSD_BOOK_VERSION_MASK); 4131 outlayer->disc_size = (inlayer->disc_size_max_rate & 4132 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4133 outlayer->max_rate = (inlayer->disc_size_max_rate & 4134 RDSD_MAX_RATE_MASK); 4135 outlayer->nlayers = (inlayer->layer_info & 4136 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4137 outlayer->track_path = (inlayer->layer_info & 4138 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4139 outlayer->layer_type = (inlayer->layer_info & 4140 RDSD_LAYER_TYPE_MASK); 4141 outlayer->linear_density = (inlayer->density & 4142 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4143 outlayer->track_density = (inlayer->density & 4144 RDSD_TRACK_DENSITY_MASK); 4145 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4146 RDSD_BCA_SHIFT; 4147 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4148 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4149 outlayer->end_sector_l0 = 4150 scsi_3btoul(inlayer->end_sector_layer0); 4151 break; 4152 } 4153 case DVD_STRUCT_COPYRIGHT: { 4154 struct scsi_read_dvd_struct_data_copyright *copy_data; 4155 4156 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4157 databuf; 4158 4159 dvdstruct->cpst = copy_data->cps_type; 4160 dvdstruct->rmi = copy_data->region_info; 4161 dvdstruct->length = 0; 4162 4163 break; 4164 } 4165 default: 4166 /* 4167 * Tell the user what the overall length is, no matter 4168 * what we can actually fit in the data buffer. 4169 */ 4170 dvdstruct->length = length - ccb->csio.resid - 4171 sizeof(struct scsi_read_dvd_struct_data_header); 4172 4173 /* 4174 * But only actually copy out the smaller of what we read 4175 * in or what the structure can take. 4176 */ 4177 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4178 dvdstruct->data, 4179 min(sizeof(dvdstruct->data), dvdstruct->length)); 4180 break; 4181 } 4182 4183bailout: 4184 xpt_release_ccb(ccb); 4185 cam_periph_unlock(periph); 4186 4187 if (databuf != NULL) 4188 free(databuf, M_DEVBUF); 4189 4190 return(error); 4191} 4192 4193void 4194scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4195 void (*cbfcnp)(struct cam_periph *, union ccb *), 4196 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4197 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4198 u_int8_t sense_len, u_int32_t timeout) 4199{ 4200 struct scsi_report_key *scsi_cmd; 4201 4202 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4203 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4204 scsi_cmd->opcode = REPORT_KEY; 4205 scsi_ulto4b(lba, scsi_cmd->lba); 4206 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4207 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4208 (key_format & RK_KF_KEYFORMAT_MASK); 4209 4210 cam_fill_csio(csio, 4211 retries, 4212 cbfcnp, 4213 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4214 tag_action, 4215 /*data_ptr*/ data_ptr, 4216 /*dxfer_len*/ dxfer_len, 4217 sense_len, 4218 sizeof(*scsi_cmd), 4219 timeout); 4220} 4221 4222void 4223scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4224 void (*cbfcnp)(struct cam_periph *, union ccb *), 4225 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4226 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4227 u_int32_t timeout) 4228{ 4229 struct scsi_send_key *scsi_cmd; 4230 4231 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4232 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4233 scsi_cmd->opcode = SEND_KEY; 4234 4235 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4236 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4237 (key_format & RK_KF_KEYFORMAT_MASK); 4238 4239 cam_fill_csio(csio, 4240 retries, 4241 cbfcnp, 4242 /*flags*/ CAM_DIR_OUT, 4243 tag_action, 4244 /*data_ptr*/ data_ptr, 4245 /*dxfer_len*/ dxfer_len, 4246 sense_len, 4247 sizeof(*scsi_cmd), 4248 timeout); 4249} 4250 4251 4252void 4253scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4254 void (*cbfcnp)(struct cam_periph *, union ccb *), 4255 u_int8_t tag_action, u_int32_t address, 4256 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4257 u_int8_t *data_ptr, u_int32_t dxfer_len, 4258 u_int8_t sense_len, u_int32_t timeout) 4259{ 4260 struct scsi_read_dvd_structure *scsi_cmd; 4261 4262 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4263 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4264 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4265 4266 scsi_ulto4b(address, scsi_cmd->address); 4267 scsi_cmd->layer_number = layer_number; 4268 scsi_cmd->format = format; 4269 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4270 /* The AGID is the top two bits of this byte */ 4271 scsi_cmd->agid = agid << 6; 4272 4273 cam_fill_csio(csio, 4274 retries, 4275 cbfcnp, 4276 /*flags*/ CAM_DIR_IN, 4277 tag_action, 4278 /*data_ptr*/ data_ptr, 4279 /*dxfer_len*/ dxfer_len, 4280 sense_len, 4281 sizeof(*scsi_cmd), 4282 timeout); 4283} 4284