scsi_cd.c revision 251386
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: stable/9/sys/cam/scsi/scsi_cd.c 251386 2013-06-04 16:16:43Z smh $"); 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 95#define CD_Q_BIT_STRING \ 96 "\020" \ 97 "\001NO_TOUCH" \ 98 "\002BCD_TRACKS" \ 99 "\003NO_CHANGER" \ 100 "\004CHANGER" \ 101 "\00510_BYTE_ONLY" 102 103typedef enum { 104 CD_FLAG_INVALID = 0x0001, 105 CD_FLAG_NEW_DISC = 0x0002, 106 CD_FLAG_DISC_LOCKED = 0x0004, 107 CD_FLAG_DISC_REMOVABLE = 0x0008, 108 CD_FLAG_SAW_MEDIA = 0x0010, 109 CD_FLAG_CHANGER = 0x0040, 110 CD_FLAG_ACTIVE = 0x0080, 111 CD_FLAG_SCHED_ON_COMP = 0x0100, 112 CD_FLAG_RETRY_UA = 0x0200, 113 CD_FLAG_VALID_MEDIA = 0x0400, 114 CD_FLAG_VALID_TOC = 0x0800, 115 CD_FLAG_SCTX_INIT = 0x1000 116} cd_flags; 117 118typedef enum { 119 CD_CCB_PROBE = 0x01, 120 CD_CCB_BUFFER_IO = 0x02, 121 CD_CCB_WAITING = 0x03, 122 CD_CCB_TUR = 0x04, 123 CD_CCB_TYPE_MASK = 0x0F, 124 CD_CCB_RETRY_UA = 0x10 125} cd_ccb_state; 126 127typedef enum { 128 CHANGER_TIMEOUT_SCHED = 0x01, 129 CHANGER_SHORT_TMOUT_SCHED = 0x02, 130 CHANGER_MANUAL_CALL = 0x04, 131 CHANGER_NEED_TIMEOUT = 0x08 132} cd_changer_flags; 133 134#define ccb_state ppriv_field0 135#define ccb_bp ppriv_ptr1 136 137struct cd_tocdata { 138 struct ioc_toc_header header; 139 struct cd_toc_entry entries[100]; 140}; 141 142struct cd_toc_single { 143 struct ioc_toc_header header; 144 struct cd_toc_entry entry; 145}; 146 147typedef enum { 148 CD_STATE_PROBE, 149 CD_STATE_NORMAL 150} cd_state; 151 152struct cd_softc { 153 cam_pinfo pinfo; 154 cd_state state; 155 volatile cd_flags flags; 156 struct bio_queue_head bio_queue; 157 LIST_HEAD(, ccb_hdr) pending_ccbs; 158 struct cd_params params; 159 union ccb saved_ccb; 160 cd_quirks quirks; 161 STAILQ_ENTRY(cd_softc) changer_links; 162 struct cdchanger *changer; 163 int bufs_left; 164 struct cam_periph *periph; 165 int minimum_command_size; 166 int outstanding_cmds; 167 int tur; 168 struct task sysctl_task; 169 struct sysctl_ctx_list sysctl_ctx; 170 struct sysctl_oid *sysctl_tree; 171 STAILQ_HEAD(, cd_mode_params) mode_queue; 172 struct cd_tocdata toc; 173 struct disk *disk; 174 struct callout mediapoll_c; 175}; 176 177struct cd_page_sizes { 178 int page; 179 int page_size; 180}; 181 182static struct cd_page_sizes cd_page_size_table[] = 183{ 184 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 185}; 186 187struct cd_quirk_entry { 188 struct scsi_inquiry_pattern inq_pat; 189 cd_quirks quirks; 190}; 191 192/* 193 * The changer quirk entries aren't strictly necessary. Basically, what 194 * they do is tell cdregister() up front that a device is a changer. 195 * Otherwise, it will figure that fact out once it sees a LUN on the device 196 * that is greater than 0. If it is known up front that a device is a changer, 197 * all I/O to the device will go through the changer scheduling routines, as 198 * opposed to the "normal" CD code. 199 * 200 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 201 * your device hangs when it gets a 10 byte command. Adding a quirk just 202 * to get rid of the informative diagnostic message is not acceptable. All 203 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 204 * referenced in a comment along with the quirk) , and must be approved by 205 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 206 * be removed until the submitter can explain why they are needed. 207 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 208 * when the CAM_NEW_TRAN_CODE work is done. 209 */ 210static struct cd_quirk_entry cd_quirk_table[] = 211{ 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 214 /*quirks*/ CD_Q_CHANGER 215 }, 216 { 217 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 218 "*"}, /* quirks */ CD_Q_CHANGER 219 }, 220 { 221 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 222 /* quirks */ CD_Q_CHANGER 223 }, 224 { 225 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 226 /* quirks */ CD_Q_BCD_TRACKS 227 } 228}; 229 230static disk_open_t cdopen; 231static disk_close_t cdclose; 232static disk_ioctl_t cdioctl; 233static disk_strategy_t cdstrategy; 234 235static periph_init_t cdinit; 236static periph_ctor_t cdregister; 237static periph_dtor_t cdcleanup; 238static periph_start_t cdstart; 239static periph_oninv_t cdoninvalidate; 240static void cdasync(void *callback_arg, u_int32_t code, 241 struct cam_path *path, void *arg); 242static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 243static void cdshorttimeout(void *arg); 244static void cdschedule(struct cam_periph *periph, int priority); 245static void cdrunchangerqueue(void *arg); 246static void cdchangerschedule(struct cd_softc *softc); 247static int cdrunccb(union ccb *ccb, 248 int (*error_routine)(union ccb *ccb, 249 u_int32_t cam_flags, 250 u_int32_t sense_flags), 251 u_int32_t cam_flags, u_int32_t sense_flags); 252static union ccb *cdgetccb(struct cam_periph *periph, 253 u_int32_t priority); 254static void cddone(struct cam_periph *periph, 255 union ccb *start_ccb); 256static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 257static int cdgetpagesize(int page_num); 258static void cdprevent(struct cam_periph *periph, int action); 259static int cdcheckmedia(struct cam_periph *periph); 260static int cdsize(struct cam_periph *periph, u_int32_t *size); 261static int cd6byteworkaround(union ccb *ccb); 262static int cderror(union ccb *ccb, u_int32_t cam_flags, 263 u_int32_t sense_flags); 264static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 265 u_int32_t start, u_int8_t *data, 266 u_int32_t len, u_int32_t sense_flags); 267static int cdgetmode(struct cam_periph *periph, 268 struct cd_mode_params *data, u_int32_t page); 269static int cdsetmode(struct cam_periph *periph, 270 struct cd_mode_params *data); 271static int cdplay(struct cam_periph *periph, u_int32_t blk, 272 u_int32_t len); 273static int cdreadsubchannel(struct cam_periph *periph, 274 u_int32_t mode, u_int32_t format, 275 int track, 276 struct cd_sub_channel_info *data, 277 u_int32_t len); 278static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 279 u_int32_t starts, u_int32_t startf, 280 u_int32_t endm, u_int32_t ends, 281 u_int32_t endf); 282static int cdplaytracks(struct cam_periph *periph, 283 u_int32_t strack, u_int32_t sindex, 284 u_int32_t etrack, u_int32_t eindex); 285static int cdpause(struct cam_periph *periph, u_int32_t go); 286static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 287static int cdstartunit(struct cam_periph *periph, int load); 288static int cdsetspeed(struct cam_periph *periph, 289 u_int32_t rdspeed, u_int32_t wrspeed); 290static int cdreportkey(struct cam_periph *periph, 291 struct dvd_authinfo *authinfo); 292static int cdsendkey(struct cam_periph *periph, 293 struct dvd_authinfo *authinfo); 294static int cdreaddvdstructure(struct cam_periph *periph, 295 struct dvd_struct *dvdstruct); 296static timeout_t cdmediapoll; 297 298static struct periph_driver cddriver = 299{ 300 cdinit, "cd", 301 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 302}; 303 304PERIPHDRIVER_DECLARE(cd, cddriver); 305 306#ifndef CD_DEFAULT_POLL_PERIOD 307#define CD_DEFAULT_POLL_PERIOD 3 308#endif 309#ifndef CD_DEFAULT_RETRY 310#define CD_DEFAULT_RETRY 4 311#endif 312#ifndef CD_DEFAULT_TIMEOUT 313#define CD_DEFAULT_TIMEOUT 30000 314#endif 315#ifndef CHANGER_MIN_BUSY_SECONDS 316#define CHANGER_MIN_BUSY_SECONDS 5 317#endif 318#ifndef CHANGER_MAX_BUSY_SECONDS 319#define CHANGER_MAX_BUSY_SECONDS 15 320#endif 321 322static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; 323static int cd_retry_count = CD_DEFAULT_RETRY; 324static int cd_timeout = CD_DEFAULT_TIMEOUT; 325static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 326static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 327 328static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 329static SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, 330 "CD Changer"); 331SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RW, 332 &cd_poll_period, 0, "Media polling period in seconds"); 333TUNABLE_INT("kern.cam.cd.poll_period", &cd_poll_period); 334SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 335 &cd_retry_count, 0, "Normal I/O retry count"); 336TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 337SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RW, 338 &cd_timeout, 0, "Timeout, in us, for read operations"); 339TUNABLE_INT("kern.cam.cd.timeout", &cd_timeout); 340SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 341 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 342TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 343SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 344 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 345TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 346 347struct cdchanger { 348 path_id_t path_id; 349 target_id_t target_id; 350 int num_devices; 351 struct camq devq; 352 struct timeval start_time; 353 struct cd_softc *cur_device; 354 struct callout short_handle; 355 struct callout long_handle; 356 volatile cd_changer_flags flags; 357 STAILQ_ENTRY(cdchanger) changer_links; 358 STAILQ_HEAD(chdevlist, cd_softc) chluns; 359}; 360 361static struct mtx changerq_mtx; 362static STAILQ_HEAD(changerlist, cdchanger) changerq; 363static int num_changers; 364 365static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 366 367static void 368cdinit(void) 369{ 370 cam_status status; 371 372 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 373 STAILQ_INIT(&changerq); 374 375 /* 376 * Install a global async callback. This callback will 377 * receive async callbacks like "new device found". 378 */ 379 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 380 381 if (status != CAM_REQ_CMP) { 382 printf("cd: Failed to attach master async callback " 383 "due to status 0x%x!\n", status); 384 } 385} 386 387/* 388 * Callback from GEOM, called when it has finished cleaning up its 389 * resources. 390 */ 391static void 392cddiskgonecb(struct disk *dp) 393{ 394 struct cam_periph *periph; 395 396 periph = (struct cam_periph *)dp->d_drv1; 397 cam_periph_release(periph); 398} 399 400static void 401cdoninvalidate(struct cam_periph *periph) 402{ 403 struct cd_softc *softc; 404 405 softc = (struct cd_softc *)periph->softc; 406 407 /* 408 * De-register any async callbacks. 409 */ 410 xpt_register_async(0, cdasync, periph, periph->path); 411 412 softc->flags |= CD_FLAG_INVALID; 413 414 /* 415 * Return all queued I/O with ENXIO. 416 * XXX Handle any transactions queued to the card 417 * with XPT_ABORT_CCB. 418 */ 419 bioq_flush(&softc->bio_queue, NULL, ENXIO); 420 421 /* 422 * If this device is part of a changer, and it was scheduled 423 * to run, remove it from the run queue since we just nuked 424 * all of its scheduled I/O. 425 */ 426 if ((softc->flags & CD_FLAG_CHANGER) 427 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 428 camq_remove(&softc->changer->devq, softc->pinfo.index); 429 430 disk_gone(softc->disk); 431 xpt_print(periph->path, "lost device, %d refs\n", periph->refcount); 432} 433 434static void 435cdcleanup(struct cam_periph *periph) 436{ 437 struct cd_softc *softc; 438 439 softc = (struct cd_softc *)periph->softc; 440 441 xpt_print(periph->path, "removing device entry\n"); 442 443 /* 444 * In the queued, non-active case, the device in question 445 * has already been removed from the changer run queue. Since this 446 * device is active, we need to de-activate it, and schedule 447 * another device to run. (if there is another one to run) 448 */ 449 if ((softc->flags & CD_FLAG_CHANGER) 450 && (softc->flags & CD_FLAG_ACTIVE)) { 451 452 /* 453 * The purpose of the short timeout is soley to determine 454 * whether the current device has finished or not. Well, 455 * since we're removing the active device, we know that it 456 * is finished. So, get rid of the short timeout. 457 * Otherwise, if we're in the time period before the short 458 * timeout fires, and there are no other devices in the 459 * queue to run, there won't be any other device put in the 460 * active slot. i.e., when we call cdrunchangerqueue() 461 * below, it won't do anything. Then, when the short 462 * timeout fires, it'll look at the "current device", which 463 * we are free below, and possibly panic the kernel on a 464 * bogus pointer reference. 465 * 466 * The long timeout doesn't really matter, since we 467 * decrement the qfrozen_cnt to indicate that there is 468 * nothing in the active slot now. Therefore, there won't 469 * be any bogus pointer references there. 470 */ 471 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 472 callout_stop(&softc->changer->short_handle); 473 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 474 } 475 softc->changer->devq.qfrozen_cnt[0]--; 476 softc->changer->flags |= CHANGER_MANUAL_CALL; 477 cdrunchangerqueue(softc->changer); 478 } 479 480 /* 481 * If we're removing the last device on the changer, go ahead and 482 * remove the changer device structure. 483 */ 484 if ((softc->flags & CD_FLAG_CHANGER) 485 && (--softc->changer->num_devices == 0)) { 486 487 /* 488 * Theoretically, there shouldn't be any timeouts left, but 489 * I'm not completely sure that that will be the case. So, 490 * it won't hurt to check and see if there are any left. 491 */ 492 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 493 callout_stop(&softc->changer->long_handle); 494 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 495 } 496 497 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 498 callout_stop(&softc->changer->short_handle); 499 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 500 } 501 502 mtx_lock(&changerq_mtx); 503 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 504 changer_links); 505 num_changers--; 506 mtx_unlock(&changerq_mtx); 507 xpt_print(periph->path, "removing changer entry\n"); 508 free(softc->changer, M_DEVBUF); 509 } 510 cam_periph_unlock(periph); 511 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 512 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 513 xpt_print(periph->path, "can't remove sysctl context\n"); 514 } 515 516 callout_drain(&softc->mediapoll_c); 517 disk_destroy(softc->disk); 518 free(softc, M_DEVBUF); 519 cam_periph_lock(periph); 520} 521 522static void 523cdasync(void *callback_arg, u_int32_t code, 524 struct cam_path *path, void *arg) 525{ 526 struct cam_periph *periph; 527 struct cd_softc *softc; 528 529 periph = (struct cam_periph *)callback_arg; 530 switch (code) { 531 case AC_FOUND_DEVICE: 532 { 533 struct ccb_getdev *cgd; 534 cam_status status; 535 536 cgd = (struct ccb_getdev *)arg; 537 if (cgd == NULL) 538 break; 539 540 if (cgd->protocol != PROTO_SCSI) 541 break; 542 543 if (SID_TYPE(&cgd->inq_data) != T_CDROM 544 && SID_TYPE(&cgd->inq_data) != T_WORM) 545 break; 546 547 /* 548 * Allocate a peripheral instance for 549 * this device and start the probe 550 * process. 551 */ 552 status = cam_periph_alloc(cdregister, cdoninvalidate, 553 cdcleanup, cdstart, 554 "cd", CAM_PERIPH_BIO, 555 cgd->ccb_h.path, cdasync, 556 AC_FOUND_DEVICE, cgd); 557 558 if (status != CAM_REQ_CMP 559 && status != CAM_REQ_INPROG) 560 printf("cdasync: Unable to attach new device " 561 "due to status 0x%x\n", status); 562 563 break; 564 } 565 case AC_UNIT_ATTENTION: 566 { 567 union ccb *ccb; 568 int error_code, sense_key, asc, ascq; 569 570 softc = (struct cd_softc *)periph->softc; 571 ccb = (union ccb *)arg; 572 573 /* 574 * Handle all media change UNIT ATTENTIONs except 575 * our own, as they will be handled by cderror(). 576 */ 577 if (xpt_path_periph(ccb->ccb_h.path) != periph && 578 scsi_extract_sense_ccb(ccb, 579 &error_code, &sense_key, &asc, &ascq)) { 580 if (asc == 0x28 && ascq == 0x00) 581 disk_media_changed(softc->disk, M_NOWAIT); 582 } 583 cam_periph_async(periph, code, path, arg); 584 break; 585 } 586 case AC_SCSI_AEN: 587 softc = (struct cd_softc *)periph->softc; 588 if (softc->state == CD_STATE_NORMAL && !softc->tur) { 589 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 590 softc->tur = 1; 591 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 592 } 593 } 594 /* FALLTHROUGH */ 595 case AC_SENT_BDR: 596 case AC_BUS_RESET: 597 { 598 struct ccb_hdr *ccbh; 599 600 softc = (struct cd_softc *)periph->softc; 601 /* 602 * Don't fail on the expected unit attention 603 * that will occur. 604 */ 605 softc->flags |= CD_FLAG_RETRY_UA; 606 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 607 ccbh->ccb_state |= CD_CCB_RETRY_UA; 608 /* FALLTHROUGH */ 609 } 610 default: 611 cam_periph_async(periph, code, path, arg); 612 break; 613 } 614} 615 616static void 617cdsysctlinit(void *context, int pending) 618{ 619 struct cam_periph *periph; 620 struct cd_softc *softc; 621 char tmpstr[80], tmpstr2[80]; 622 623 periph = (struct cam_periph *)context; 624 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 625 return; 626 627 softc = (struct cd_softc *)periph->softc; 628 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 629 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 630 631 sysctl_ctx_init(&softc->sysctl_ctx); 632 softc->flags |= CD_FLAG_SCTX_INIT; 633 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 634 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 635 tmpstr2, CTLFLAG_RD, 0, tmpstr); 636 637 if (softc->sysctl_tree == NULL) { 638 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 639 cam_periph_release(periph); 640 return; 641 } 642 643 /* 644 * Now register the sysctl handler, so the user can the value on 645 * the fly. 646 */ 647 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 648 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 649 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 650 "Minimum CDB size"); 651 652 cam_periph_release(periph); 653} 654 655/* 656 * We have a handler function for this so we can check the values when the 657 * user sets them, instead of every time we look at them. 658 */ 659static int 660cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 661{ 662 int error, value; 663 664 value = *(int *)arg1; 665 666 error = sysctl_handle_int(oidp, &value, 0, req); 667 668 if ((error != 0) 669 || (req->newptr == NULL)) 670 return (error); 671 672 /* 673 * The only real values we can have here are 6 or 10. I don't 674 * really forsee having 12 be an option at any time in the future. 675 * So if the user sets something less than or equal to 6, we'll set 676 * it to 6. If he sets something greater than 6, we'll set it to 10. 677 * 678 * I suppose we could just return an error here for the wrong values, 679 * but I don't think it's necessary to do so, as long as we can 680 * determine the user's intent without too much trouble. 681 */ 682 if (value < 6) 683 value = 6; 684 else if (value > 6) 685 value = 10; 686 687 *(int *)arg1 = value; 688 689 return (0); 690} 691 692static cam_status 693cdregister(struct cam_periph *periph, void *arg) 694{ 695 struct cd_softc *softc; 696 struct ccb_pathinq cpi; 697 struct ccb_getdev *cgd; 698 char tmpstr[80]; 699 caddr_t match; 700 701 cgd = (struct ccb_getdev *)arg; 702 if (cgd == NULL) { 703 printf("cdregister: no getdev CCB, can't register device\n"); 704 return(CAM_REQ_CMP_ERR); 705 } 706 707 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 708 M_NOWAIT | M_ZERO); 709 if (softc == NULL) { 710 printf("cdregister: Unable to probe new device. " 711 "Unable to allocate softc\n"); 712 return(CAM_REQ_CMP_ERR); 713 } 714 715 LIST_INIT(&softc->pending_ccbs); 716 STAILQ_INIT(&softc->mode_queue); 717 softc->state = CD_STATE_PROBE; 718 bioq_init(&softc->bio_queue); 719 if (SID_IS_REMOVABLE(&cgd->inq_data)) 720 softc->flags |= CD_FLAG_DISC_REMOVABLE; 721 722 periph->softc = softc; 723 softc->periph = periph; 724 725 /* 726 * See if this device has any quirks. 727 */ 728 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 729 (caddr_t)cd_quirk_table, 730 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 731 sizeof(*cd_quirk_table), scsi_inquiry_match); 732 733 if (match != NULL) 734 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 735 else 736 softc->quirks = CD_Q_NONE; 737 738 /* Check if the SIM does not want 6 byte commands */ 739 bzero(&cpi, sizeof(cpi)); 740 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 741 cpi.ccb_h.func_code = XPT_PATH_INQ; 742 xpt_action((union ccb *)&cpi); 743 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 744 softc->quirks |= CD_Q_10_BYTE_ONLY; 745 746 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 747 748 /* The default is 6 byte commands, unless quirked otherwise */ 749 if (softc->quirks & CD_Q_10_BYTE_ONLY) 750 softc->minimum_command_size = 10; 751 else 752 softc->minimum_command_size = 6; 753 754 /* 755 * Refcount and block open attempts until we are setup 756 * Can't block 757 */ 758 (void)cam_periph_hold(periph, PRIBIO); 759 cam_periph_unlock(periph); 760 /* 761 * Load the user's default, if any. 762 */ 763 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 764 periph->unit_number); 765 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 766 767 /* 6 and 10 are the only permissible values here. */ 768 if (softc->minimum_command_size < 6) 769 softc->minimum_command_size = 6; 770 else if (softc->minimum_command_size > 6) 771 softc->minimum_command_size = 10; 772 773 /* 774 * We need to register the statistics structure for this device, 775 * but we don't have the blocksize yet for it. So, we register 776 * the structure and indicate that we don't have the blocksize 777 * yet. Unlike other SCSI peripheral drivers, we explicitly set 778 * the device type here to be CDROM, rather than just ORing in 779 * the device type. This is because this driver can attach to either 780 * CDROM or WORM devices, and we want this peripheral driver to 781 * show up in the devstat list as a CD peripheral driver, not a 782 * WORM peripheral driver. WORM drives will also have the WORM 783 * driver attached to them. 784 */ 785 softc->disk = disk_alloc(); 786 softc->disk->d_devstat = devstat_new_entry("cd", 787 periph->unit_number, 0, 788 DEVSTAT_BS_UNAVAILABLE, 789 DEVSTAT_TYPE_CDROM | 790 XPORT_DEVSTAT_TYPE(cpi.transport), 791 DEVSTAT_PRIORITY_CD); 792 softc->disk->d_open = cdopen; 793 softc->disk->d_close = cdclose; 794 softc->disk->d_strategy = cdstrategy; 795 softc->disk->d_gone = cddiskgonecb; 796 softc->disk->d_ioctl = cdioctl; 797 softc->disk->d_name = "cd"; 798 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 799 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 800 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 801 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 802 cgd->inq_data.product, sizeof(cgd->inq_data.product), 803 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 804 softc->disk->d_unit = periph->unit_number; 805 softc->disk->d_drv1 = periph; 806 if (cpi.maxio == 0) 807 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 808 else if (cpi.maxio > MAXPHYS) 809 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 810 else 811 softc->disk->d_maxsize = cpi.maxio; 812 softc->disk->d_flags = 0; 813 softc->disk->d_hba_vendor = cpi.hba_vendor; 814 softc->disk->d_hba_device = cpi.hba_device; 815 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 816 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 817 818 /* 819 * Acquire a reference to the periph before we register with GEOM. 820 * We'll release this reference once GEOM calls us back (via 821 * dadiskgonecb()) telling us that our provider has been freed. 822 */ 823 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 824 xpt_print(periph->path, "%s: lost periph during " 825 "registration!\n", __func__); 826 cam_periph_lock(periph); 827 return (CAM_REQ_CMP_ERR); 828 } 829 830 disk_create(softc->disk, DISK_VERSION); 831 cam_periph_lock(periph); 832 833 /* 834 * Add an async callback so that we get 835 * notified if this device goes away. 836 */ 837 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 838 AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); 839 840 /* 841 * If the target lun is greater than 0, we most likely have a CD 842 * changer device. Check the quirk entries as well, though, just 843 * in case someone has a CD tower with one lun per drive or 844 * something like that. Also, if we know up front that a 845 * particular device is a changer, we can mark it as such starting 846 * with lun 0, instead of lun 1. It shouldn't be necessary to have 847 * a quirk entry to define something as a changer, however. 848 */ 849 if (((cgd->ccb_h.target_lun > 0) 850 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 851 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 852 struct cdchanger *nchanger; 853 struct cam_periph *nperiph; 854 struct cam_path *path; 855 cam_status status; 856 int found; 857 858 /* Set the changer flag in the current device's softc */ 859 softc->flags |= CD_FLAG_CHANGER; 860 861 /* 862 * Now, look around for an existing changer device with the 863 * same path and target ID as the current device. 864 */ 865 mtx_lock(&changerq_mtx); 866 for (found = 0, 867 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 868 nchanger != NULL; 869 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 870 if ((nchanger->path_id == cgd->ccb_h.path_id) 871 && (nchanger->target_id == cgd->ccb_h.target_id)) { 872 found = 1; 873 break; 874 } 875 } 876 mtx_unlock(&changerq_mtx); 877 878 /* 879 * If we found a matching entry, just add this device to 880 * the list of devices on this changer. 881 */ 882 if (found == 1) { 883 struct chdevlist *chlunhead; 884 885 chlunhead = &nchanger->chluns; 886 887 /* 888 * XXX KDM look at consolidating this code with the 889 * code below in a separate function. 890 */ 891 892 /* 893 * Create a path with lun id 0, and see if we can 894 * find a matching device 895 */ 896 status = xpt_create_path(&path, /*periph*/ periph, 897 cgd->ccb_h.path_id, 898 cgd->ccb_h.target_id, 0); 899 900 if ((status == CAM_REQ_CMP) 901 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 902 struct cd_softc *nsoftc; 903 904 nsoftc = (struct cd_softc *)nperiph->softc; 905 906 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 907 nsoftc->flags |= CD_FLAG_CHANGER; 908 nchanger->num_devices++; 909 if (camq_resize(&nchanger->devq, 910 nchanger->num_devices)!=CAM_REQ_CMP){ 911 printf("cdregister: " 912 "camq_resize " 913 "failed, changer " 914 "support may " 915 "be messed up\n"); 916 } 917 nsoftc->changer = nchanger; 918 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 919 920 STAILQ_INSERT_TAIL(&nchanger->chluns, 921 nsoftc,changer_links); 922 } 923 xpt_free_path(path); 924 } else if (status == CAM_REQ_CMP) 925 xpt_free_path(path); 926 else { 927 printf("cdregister: unable to allocate path\n" 928 "cdregister: changer support may be " 929 "broken\n"); 930 } 931 932 nchanger->num_devices++; 933 934 softc->changer = nchanger; 935 softc->pinfo.index = CAM_UNQUEUED_INDEX; 936 937 if (camq_resize(&nchanger->devq, 938 nchanger->num_devices) != CAM_REQ_CMP) { 939 printf("cdregister: camq_resize " 940 "failed, changer support may " 941 "be messed up\n"); 942 } 943 944 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 945 } 946 /* 947 * In this case, we don't already have an entry for this 948 * particular changer, so we need to create one, add it to 949 * the queue, and queue this device on the list for this 950 * changer. Before we queue this device, however, we need 951 * to search for lun id 0 on this target, and add it to the 952 * queue first, if it exists. (and if it hasn't already 953 * been marked as part of the changer.) 954 */ 955 else { 956 nchanger = malloc(sizeof(struct cdchanger), 957 M_DEVBUF, M_NOWAIT | M_ZERO); 958 if (nchanger == NULL) { 959 softc->flags &= ~CD_FLAG_CHANGER; 960 printf("cdregister: unable to malloc " 961 "changer structure\ncdregister: " 962 "changer support disabled\n"); 963 964 /* 965 * Yes, gotos can be gross but in this case 966 * I think it's justified.. 967 */ 968 goto cdregisterexit; 969 } 970 if (camq_init(&nchanger->devq, 1) != 0) { 971 softc->flags &= ~CD_FLAG_CHANGER; 972 printf("cdregister: changer support " 973 "disabled\n"); 974 goto cdregisterexit; 975 } 976 977 nchanger->path_id = cgd->ccb_h.path_id; 978 nchanger->target_id = cgd->ccb_h.target_id; 979 980 /* this is superfluous, but it makes things clearer */ 981 nchanger->num_devices = 0; 982 983 STAILQ_INIT(&nchanger->chluns); 984 985 callout_init_mtx(&nchanger->long_handle, 986 periph->sim->mtx, 0); 987 callout_init_mtx(&nchanger->short_handle, 988 periph->sim->mtx, 0); 989 990 mtx_lock(&changerq_mtx); 991 num_changers++; 992 STAILQ_INSERT_TAIL(&changerq, nchanger, 993 changer_links); 994 mtx_unlock(&changerq_mtx); 995 996 /* 997 * Create a path with lun id 0, and see if we can 998 * find a matching device 999 */ 1000 status = xpt_create_path(&path, /*periph*/ periph, 1001 cgd->ccb_h.path_id, 1002 cgd->ccb_h.target_id, 0); 1003 1004 /* 1005 * If we were able to allocate the path, and if we 1006 * find a matching device and it isn't already 1007 * marked as part of a changer, then we add it to 1008 * the current changer. 1009 */ 1010 if ((status == CAM_REQ_CMP) 1011 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 1012 && ((((struct cd_softc *)periph->softc)->flags & 1013 CD_FLAG_CHANGER) == 0)) { 1014 struct cd_softc *nsoftc; 1015 1016 nsoftc = (struct cd_softc *)nperiph->softc; 1017 1018 nsoftc->flags |= CD_FLAG_CHANGER; 1019 nchanger->num_devices++; 1020 if (camq_resize(&nchanger->devq, 1021 nchanger->num_devices) != CAM_REQ_CMP) { 1022 printf("cdregister: camq_resize " 1023 "failed, changer support may " 1024 "be messed up\n"); 1025 } 1026 nsoftc->changer = nchanger; 1027 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 1028 1029 STAILQ_INSERT_TAIL(&nchanger->chluns, 1030 nsoftc, changer_links); 1031 xpt_free_path(path); 1032 } else if (status == CAM_REQ_CMP) 1033 xpt_free_path(path); 1034 else { 1035 printf("cdregister: unable to allocate path\n" 1036 "cdregister: changer support may be " 1037 "broken\n"); 1038 } 1039 1040 softc->changer = nchanger; 1041 softc->pinfo.index = CAM_UNQUEUED_INDEX; 1042 nchanger->num_devices++; 1043 if (camq_resize(&nchanger->devq, 1044 nchanger->num_devices) != CAM_REQ_CMP) { 1045 printf("cdregister: camq_resize " 1046 "failed, changer support may " 1047 "be messed up\n"); 1048 } 1049 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 1050 changer_links); 1051 } 1052 } 1053 1054 /* 1055 * Schedule a periodic media polling events. 1056 */ 1057 callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0); 1058 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && 1059 (softc->flags & CD_FLAG_CHANGER) == 0 && 1060 (cgd->inq_flags & SID_AEN) == 0 && 1061 cd_poll_period != 0) 1062 callout_reset(&softc->mediapoll_c, cd_poll_period * hz, 1063 cdmediapoll, periph); 1064 1065cdregisterexit: 1066 1067 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1068 xpt_schedule(periph, CAM_PRIORITY_DEV); 1069 else 1070 cdschedule(periph, CAM_PRIORITY_DEV); 1071 1072 return(CAM_REQ_CMP); 1073} 1074 1075static int 1076cdopen(struct disk *dp) 1077{ 1078 struct cam_periph *periph; 1079 struct cd_softc *softc; 1080 int error; 1081 1082 periph = (struct cam_periph *)dp->d_drv1; 1083 softc = (struct cd_softc *)periph->softc; 1084 1085 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1086 return(ENXIO); 1087 1088 cam_periph_lock(periph); 1089 1090 if (softc->flags & CD_FLAG_INVALID) { 1091 cam_periph_release_locked(periph); 1092 cam_periph_unlock(periph); 1093 return(ENXIO); 1094 } 1095 1096 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1097 cam_periph_release_locked(periph); 1098 cam_periph_unlock(periph); 1099 return (error); 1100 } 1101 1102 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1103 ("cdopen\n")); 1104 1105 /* 1106 * Check for media, and set the appropriate flags. We don't bail 1107 * if we don't have media, but then we don't allow anything but the 1108 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1109 */ 1110 cdcheckmedia(periph); 1111 1112 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1113 cam_periph_unhold(periph); 1114 1115 cam_periph_unlock(periph); 1116 1117 return (0); 1118} 1119 1120static int 1121cdclose(struct disk *dp) 1122{ 1123 struct cam_periph *periph; 1124 struct cd_softc *softc; 1125 1126 periph = (struct cam_periph *)dp->d_drv1; 1127 softc = (struct cd_softc *)periph->softc; 1128 1129 cam_periph_lock(periph); 1130 if (cam_periph_hold(periph, PRIBIO) != 0) { 1131 cam_periph_unlock(periph); 1132 cam_periph_release(periph); 1133 return (0); 1134 } 1135 1136 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1137 ("cdclose\n")); 1138 1139 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1140 cdprevent(periph, PR_ALLOW); 1141 1142 /* 1143 * Since we're closing this CD, mark the blocksize as unavailable. 1144 * It will be marked as available when the CD is opened again. 1145 */ 1146 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1147 1148 /* 1149 * We'll check the media and toc again at the next open(). 1150 */ 1151 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1152 1153 cam_periph_unhold(periph); 1154 cam_periph_release_locked(periph); 1155 cam_periph_unlock(periph); 1156 1157 return (0); 1158} 1159 1160static void 1161cdshorttimeout(void *arg) 1162{ 1163 struct cdchanger *changer; 1164 1165 changer = (struct cdchanger *)arg; 1166 1167 /* Always clear the short timeout flag, since that's what we're in */ 1168 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1169 1170 /* 1171 * Check to see if there is any more pending or outstanding I/O for 1172 * this device. If not, move it out of the active slot. 1173 */ 1174 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1175 && (changer->cur_device->outstanding_cmds == 0)) { 1176 changer->flags |= CHANGER_MANUAL_CALL; 1177 cdrunchangerqueue(changer); 1178 } 1179} 1180 1181/* 1182 * This is a wrapper for xpt_schedule. It only applies to changers. 1183 */ 1184static void 1185cdschedule(struct cam_periph *periph, int priority) 1186{ 1187 struct cd_softc *softc; 1188 1189 softc = (struct cd_softc *)periph->softc; 1190 1191 /* 1192 * If this device isn't currently queued, and if it isn't 1193 * the active device, then we queue this device and run the 1194 * changer queue if there is no timeout scheduled to do it. 1195 * If this device is the active device, just schedule it 1196 * to run again. If this device is queued, there should be 1197 * a timeout in place already that will make sure it runs. 1198 */ 1199 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1200 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1201 /* 1202 * We don't do anything with the priority here. 1203 * This is strictly a fifo queue. 1204 */ 1205 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1206 softc->pinfo.generation = ++softc->changer->devq.generation; 1207 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1208 1209 /* 1210 * Since we just put a device in the changer queue, 1211 * check and see if there is a timeout scheduled for 1212 * this changer. If so, let the timeout handle 1213 * switching this device into the active slot. If 1214 * not, manually call the timeout routine to 1215 * bootstrap things. 1216 */ 1217 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1218 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1219 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1220 softc->changer->flags |= CHANGER_MANUAL_CALL; 1221 cdrunchangerqueue(softc->changer); 1222 } 1223 } else if ((softc->flags & CD_FLAG_ACTIVE) 1224 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1225 xpt_schedule(periph, priority); 1226} 1227 1228static void 1229cdrunchangerqueue(void *arg) 1230{ 1231 struct cd_softc *softc; 1232 struct cdchanger *changer; 1233 int called_from_timeout; 1234 1235 changer = (struct cdchanger *)arg; 1236 1237 /* 1238 * If we have NOT been called from cdstrategy() or cddone(), and 1239 * instead from a timeout routine, go ahead and clear the 1240 * timeout flag. 1241 */ 1242 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1243 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1244 called_from_timeout = 1; 1245 } else 1246 called_from_timeout = 0; 1247 1248 /* Always clear the manual call flag */ 1249 changer->flags &= ~CHANGER_MANUAL_CALL; 1250 1251 /* nothing to do if the queue is empty */ 1252 if (changer->devq.entries <= 0) { 1253 return; 1254 } 1255 1256 /* 1257 * If the changer queue is frozen, that means we have an active 1258 * device. 1259 */ 1260 if (changer->devq.qfrozen_cnt[0] > 0) { 1261 1262 /* 1263 * We always need to reset the frozen count and clear the 1264 * active flag. 1265 */ 1266 changer->devq.qfrozen_cnt[0]--; 1267 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1268 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1269 1270 if (changer->cur_device->outstanding_cmds > 0) { 1271 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1272 changer->cur_device->bufs_left = 1273 changer->cur_device->outstanding_cmds; 1274 if (called_from_timeout) { 1275 callout_reset(&changer->long_handle, 1276 changer_max_busy_seconds * hz, 1277 cdrunchangerqueue, changer); 1278 changer->flags |= CHANGER_TIMEOUT_SCHED; 1279 } 1280 return; 1281 } 1282 1283 /* 1284 * Check to see whether the current device has any I/O left 1285 * to do. If so, requeue it at the end of the queue. If 1286 * not, there is no need to requeue it. 1287 */ 1288 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1289 1290 changer->cur_device->pinfo.generation = 1291 ++changer->devq.generation; 1292 camq_insert(&changer->devq, 1293 (cam_pinfo *)changer->cur_device); 1294 } 1295 } 1296 1297 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1298 1299 changer->cur_device = softc; 1300 1301 changer->devq.qfrozen_cnt[0]++; 1302 softc->flags |= CD_FLAG_ACTIVE; 1303 1304 /* Just in case this device is waiting */ 1305 wakeup(&softc->changer); 1306 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1307 1308 /* 1309 * Get rid of any pending timeouts, and set a flag to schedule new 1310 * ones so this device gets its full time quantum. 1311 */ 1312 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1313 callout_stop(&changer->long_handle); 1314 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1315 } 1316 1317 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1318 callout_stop(&changer->short_handle); 1319 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1320 } 1321 1322 /* 1323 * We need to schedule timeouts, but we only do this after the 1324 * first transaction has completed. This eliminates the changer 1325 * switch time. 1326 */ 1327 changer->flags |= CHANGER_NEED_TIMEOUT; 1328} 1329 1330static void 1331cdchangerschedule(struct cd_softc *softc) 1332{ 1333 struct cdchanger *changer; 1334 1335 changer = softc->changer; 1336 1337 /* 1338 * If this is a changer, and this is the current device, 1339 * and this device has at least the minimum time quantum to 1340 * run, see if we can switch it out. 1341 */ 1342 if ((softc->flags & CD_FLAG_ACTIVE) 1343 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1344 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1345 /* 1346 * We try three things here. The first is that we 1347 * check to see whether the schedule on completion 1348 * flag is set. If it is, we decrement the number 1349 * of buffers left, and if it's zero, we reschedule. 1350 * Next, we check to see whether the pending buffer 1351 * queue is empty and whether there are no 1352 * outstanding transactions. If so, we reschedule. 1353 * Next, we see if the pending buffer queue is empty. 1354 * If it is, we set the number of buffers left to 1355 * the current active buffer count and set the 1356 * schedule on complete flag. 1357 */ 1358 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1359 if (--softc->bufs_left == 0) { 1360 softc->changer->flags |= 1361 CHANGER_MANUAL_CALL; 1362 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1363 cdrunchangerqueue(softc->changer); 1364 } 1365 } else if ((bioq_first(&softc->bio_queue) == NULL) 1366 && (softc->outstanding_cmds == 0)) { 1367 softc->changer->flags |= CHANGER_MANUAL_CALL; 1368 cdrunchangerqueue(softc->changer); 1369 } 1370 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1371 && (softc->flags & CD_FLAG_ACTIVE)) { 1372 1373 /* 1374 * Now that the first transaction to this 1375 * particular device has completed, we can go ahead 1376 * and schedule our timeouts. 1377 */ 1378 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1379 callout_reset(&changer->long_handle, 1380 changer_max_busy_seconds * hz, 1381 cdrunchangerqueue, changer); 1382 changer->flags |= CHANGER_TIMEOUT_SCHED; 1383 } else 1384 printf("cdchangerschedule: already have a long" 1385 " timeout!\n"); 1386 1387 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1388 callout_reset(&changer->short_handle, 1389 changer_min_busy_seconds * hz, 1390 cdshorttimeout, changer); 1391 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1392 } else 1393 printf("cdchangerschedule: already have a short " 1394 "timeout!\n"); 1395 1396 /* 1397 * We just scheduled timeouts, no need to schedule 1398 * more. 1399 */ 1400 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1401 1402 } 1403} 1404 1405static int 1406cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1407 u_int32_t cam_flags, 1408 u_int32_t sense_flags), 1409 u_int32_t cam_flags, u_int32_t sense_flags) 1410{ 1411 struct cd_softc *softc; 1412 struct cam_periph *periph; 1413 int error; 1414 1415 periph = xpt_path_periph(ccb->ccb_h.path); 1416 softc = (struct cd_softc *)periph->softc; 1417 1418 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1419 softc->disk->d_devstat); 1420 1421 if (softc->flags & CD_FLAG_CHANGER) 1422 cdchangerschedule(softc); 1423 1424 return(error); 1425} 1426 1427static union ccb * 1428cdgetccb(struct cam_periph *periph, u_int32_t priority) 1429{ 1430 struct cd_softc *softc; 1431 1432 softc = (struct cd_softc *)periph->softc; 1433 1434 if (softc->flags & CD_FLAG_CHANGER) { 1435 /* 1436 * This should work the first time this device is woken up, 1437 * but just in case it doesn't, we use a while loop. 1438 */ 1439 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1440 /* 1441 * If this changer isn't already queued, queue it up. 1442 */ 1443 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1444 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1445 softc->pinfo.generation = 1446 ++softc->changer->devq.generation; 1447 camq_insert(&softc->changer->devq, 1448 (cam_pinfo *)softc); 1449 } 1450 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1451 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1452 && ((softc->changer->flags 1453 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1454 softc->changer->flags |= CHANGER_MANUAL_CALL; 1455 cdrunchangerqueue(softc->changer); 1456 } else 1457 cam_periph_sleep(periph, &softc->changer, 1458 PRIBIO, "cgticb", 0); 1459 } 1460 } 1461 return(cam_periph_getccb(periph, priority)); 1462} 1463 1464 1465/* 1466 * Actually translate the requested transfer into one the physical driver 1467 * can understand. The transfer is described by a buf and will include 1468 * only one physical transfer. 1469 */ 1470static void 1471cdstrategy(struct bio *bp) 1472{ 1473 struct cam_periph *periph; 1474 struct cd_softc *softc; 1475 1476 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1477 cam_periph_lock(periph); 1478 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1479 ("cdstrategy(%p)\n", bp)); 1480 1481 softc = (struct cd_softc *)periph->softc; 1482 1483 /* 1484 * If the device has been made invalid, error out 1485 */ 1486 if ((softc->flags & CD_FLAG_INVALID)) { 1487 cam_periph_unlock(periph); 1488 biofinish(bp, NULL, ENXIO); 1489 return; 1490 } 1491 1492 /* 1493 * If we don't have valid media, look for it before trying to 1494 * schedule the I/O. 1495 */ 1496 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1497 int error; 1498 1499 error = cdcheckmedia(periph); 1500 if (error != 0) { 1501 cam_periph_unlock(periph); 1502 biofinish(bp, NULL, error); 1503 return; 1504 } 1505 } 1506 1507 /* 1508 * Place it in the queue of disk activities for this disk 1509 */ 1510 bioq_disksort(&softc->bio_queue, bp); 1511 1512 /* 1513 * Schedule ourselves for performing the work. We do things 1514 * differently for changers. 1515 */ 1516 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1517 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1518 else 1519 cdschedule(periph, CAM_PRIORITY_NORMAL); 1520 1521 cam_periph_unlock(periph); 1522 return; 1523} 1524 1525static void 1526cdstart(struct cam_periph *periph, union ccb *start_ccb) 1527{ 1528 struct cd_softc *softc; 1529 struct bio *bp; 1530 struct ccb_scsiio *csio; 1531 struct scsi_read_capacity_data *rcap; 1532 1533 softc = (struct cd_softc *)periph->softc; 1534 1535 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1536 1537 switch (softc->state) { 1538 case CD_STATE_NORMAL: 1539 { 1540 bp = bioq_first(&softc->bio_queue); 1541 if (periph->immediate_priority <= periph->pinfo.priority) { 1542 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1543 1544 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1545 periph_links.sle); 1546 periph->immediate_priority = CAM_PRIORITY_NONE; 1547 wakeup(&periph->ccb_list); 1548 } else if (bp == NULL) { 1549 if (softc->tur) { 1550 softc->tur = 0; 1551 csio = &start_ccb->csio; 1552 scsi_test_unit_ready(csio, 1553 /*retries*/ cd_retry_count, 1554 cddone, 1555 MSG_SIMPLE_Q_TAG, 1556 SSD_FULL_SIZE, 1557 cd_timeout); 1558 start_ccb->ccb_h.ccb_bp = NULL; 1559 start_ccb->ccb_h.ccb_state = CD_CCB_TUR; 1560 xpt_action(start_ccb); 1561 } else 1562 xpt_release_ccb(start_ccb); 1563 } else { 1564 if (softc->tur) { 1565 softc->tur = 0; 1566 cam_periph_release_locked(periph); 1567 } 1568 bioq_remove(&softc->bio_queue, bp); 1569 1570 scsi_read_write(&start_ccb->csio, 1571 /*retries*/ cd_retry_count, 1572 /* cbfcnp */ cddone, 1573 MSG_SIMPLE_Q_TAG, 1574 /* read */bp->bio_cmd == BIO_READ, 1575 /* byte2 */ 0, 1576 /* minimum_cmd_size */ 10, 1577 /* lba */ bp->bio_offset / 1578 softc->params.blksize, 1579 bp->bio_bcount / softc->params.blksize, 1580 /* data_ptr */ bp->bio_data, 1581 /* dxfer_len */ bp->bio_bcount, 1582 /* sense_len */ cd_retry_count ? 1583 SSD_FULL_SIZE : SF_NO_PRINT, 1584 /* timeout */ cd_timeout); 1585 /* Use READ CD command for audio tracks. */ 1586 if (softc->params.blksize == 2352) { 1587 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 1588 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 1589 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 1590 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 1591 start_ccb->csio.cdb_len = 12; 1592 } 1593 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1594 1595 1596 LIST_INSERT_HEAD(&softc->pending_ccbs, 1597 &start_ccb->ccb_h, periph_links.le); 1598 softc->outstanding_cmds++; 1599 1600 /* We expect a unit attention from this device */ 1601 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1602 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1603 softc->flags &= ~CD_FLAG_RETRY_UA; 1604 } 1605 1606 start_ccb->ccb_h.ccb_bp = bp; 1607 bp = bioq_first(&softc->bio_queue); 1608 1609 xpt_action(start_ccb); 1610 } 1611 if (bp != NULL || softc->tur || 1612 periph->immediate_priority != CAM_PRIORITY_NONE) { 1613 /* Have more work to do, so ensure we stay scheduled */ 1614 xpt_schedule(periph, min(CAM_PRIORITY_NORMAL, 1615 periph->immediate_priority)); 1616 } 1617 break; 1618 } 1619 case CD_STATE_PROBE: 1620 { 1621 1622 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1623 M_SCSICD, M_NOWAIT | M_ZERO); 1624 if (rcap == NULL) { 1625 xpt_print(periph->path, 1626 "cdstart: Couldn't malloc read_capacity data\n"); 1627 /* cd_free_periph??? */ 1628 break; 1629 } 1630 csio = &start_ccb->csio; 1631 scsi_read_capacity(csio, 1632 /*retries*/ cd_retry_count, 1633 cddone, 1634 MSG_SIMPLE_Q_TAG, 1635 rcap, 1636 SSD_FULL_SIZE, 1637 /*timeout*/20000); 1638 start_ccb->ccb_h.ccb_bp = NULL; 1639 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1640 xpt_action(start_ccb); 1641 break; 1642 } 1643 } 1644} 1645 1646static void 1647cddone(struct cam_periph *periph, union ccb *done_ccb) 1648{ 1649 struct cd_softc *softc; 1650 struct ccb_scsiio *csio; 1651 1652 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1653 1654 softc = (struct cd_softc *)periph->softc; 1655 csio = &done_ccb->csio; 1656 1657 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1658 case CD_CCB_BUFFER_IO: 1659 { 1660 struct bio *bp; 1661 int error; 1662 1663 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1664 error = 0; 1665 1666 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1667 int sf; 1668 1669 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1670 sf = SF_RETRY_UA; 1671 else 1672 sf = 0; 1673 1674 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1675 if (error == ERESTART) { 1676 /* 1677 * A retry was scheuled, so 1678 * just return. 1679 */ 1680 return; 1681 } 1682 } 1683 1684 if (error != 0) { 1685 xpt_print(periph->path, 1686 "cddone: got error %#x back\n", error); 1687 bioq_flush(&softc->bio_queue, NULL, EIO); 1688 bp->bio_resid = bp->bio_bcount; 1689 bp->bio_error = error; 1690 bp->bio_flags |= BIO_ERROR; 1691 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1692 cam_release_devq(done_ccb->ccb_h.path, 1693 /*relsim_flags*/0, 1694 /*reduction*/0, 1695 /*timeout*/0, 1696 /*getcount_only*/0); 1697 1698 } else { 1699 bp->bio_resid = csio->resid; 1700 bp->bio_error = 0; 1701 if (bp->bio_resid != 0) { 1702 /* 1703 * Short transfer ??? 1704 * XXX: not sure this is correct for partial 1705 * transfers at EOM 1706 */ 1707 bp->bio_flags |= BIO_ERROR; 1708 } 1709 } 1710 1711 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1712 softc->outstanding_cmds--; 1713 1714 if (softc->flags & CD_FLAG_CHANGER) 1715 cdchangerschedule(softc); 1716 1717 biofinish(bp, NULL, 0); 1718 break; 1719 } 1720 case CD_CCB_PROBE: 1721 { 1722 struct scsi_read_capacity_data *rdcap; 1723 char announce_buf[120]; /* 1724 * Currently (9/30/97) the 1725 * longest possible announce 1726 * buffer is 108 bytes, for the 1727 * first error case below. 1728 * That is 39 bytes for the 1729 * basic string, 16 bytes for the 1730 * biggest sense key (hardware 1731 * error), 52 bytes for the 1732 * text of the largest sense 1733 * qualifier valid for a CDROM, 1734 * (0x72, 0x03 or 0x04, 1735 * 0x03), and one byte for the 1736 * null terminating character. 1737 * To allow for longer strings, 1738 * the announce buffer is 120 1739 * bytes. 1740 */ 1741 struct cd_params *cdp; 1742 int error; 1743 1744 cdp = &softc->params; 1745 1746 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1747 1748 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1749 cdp->blksize = scsi_4btoul (rdcap->length); 1750 1751 /* 1752 * Retry any UNIT ATTENTION type errors. They 1753 * are expected at boot. 1754 */ 1755 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || 1756 (error = cderror(done_ccb, CAM_RETRY_SELTO, 1757 SF_RETRY_UA | SF_NO_PRINT)) == 0) { 1758 1759 snprintf(announce_buf, sizeof(announce_buf), 1760 "cd present [%lu x %lu byte records]", 1761 cdp->disksize, (u_long)cdp->blksize); 1762 1763 } else { 1764 if (error == ERESTART) { 1765 /* 1766 * A retry was scheuled, so 1767 * just return. 1768 */ 1769 return; 1770 } else { 1771 int asc, ascq; 1772 int sense_key, error_code; 1773 int have_sense; 1774 cam_status status; 1775 struct ccb_getdev cgd; 1776 1777 /* Don't wedge this device's queue */ 1778 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1779 cam_release_devq(done_ccb->ccb_h.path, 1780 /*relsim_flags*/0, 1781 /*reduction*/0, 1782 /*timeout*/0, 1783 /*getcount_only*/0); 1784 1785 status = done_ccb->ccb_h.status; 1786 1787 xpt_setup_ccb(&cgd.ccb_h, 1788 done_ccb->ccb_h.path, 1789 CAM_PRIORITY_NORMAL); 1790 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1791 xpt_action((union ccb *)&cgd); 1792 1793 if (scsi_extract_sense_ccb(done_ccb, 1794 &error_code, &sense_key, &asc, &ascq)) 1795 have_sense = TRUE; 1796 else 1797 have_sense = FALSE; 1798 1799 /* 1800 * Attach to anything that claims to be a 1801 * CDROM or WORM device, as long as it 1802 * doesn't return a "Logical unit not 1803 * supported" (0x25) error. 1804 */ 1805 if ((have_sense) && (asc != 0x25) 1806 && (error_code == SSD_CURRENT_ERROR)) { 1807 const char *sense_key_desc; 1808 const char *asc_desc; 1809 1810 scsi_sense_desc(sense_key, asc, ascq, 1811 &cgd.inq_data, 1812 &sense_key_desc, 1813 &asc_desc); 1814 snprintf(announce_buf, 1815 sizeof(announce_buf), 1816 "Attempt to query device " 1817 "size failed: %s, %s", 1818 sense_key_desc, 1819 asc_desc); 1820 } else if ((have_sense == 0) 1821 && ((status & CAM_STATUS_MASK) == 1822 CAM_SCSI_STATUS_ERROR) 1823 && (csio->scsi_status == 1824 SCSI_STATUS_BUSY)) { 1825 snprintf(announce_buf, 1826 sizeof(announce_buf), 1827 "Attempt to query device " 1828 "size failed: SCSI Status: %s", 1829 scsi_status_string(csio)); 1830 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1831 /* 1832 * We only print out an error for 1833 * CDROM type devices. For WORM 1834 * devices, we don't print out an 1835 * error since a few WORM devices 1836 * don't support CDROM commands. 1837 * If we have sense information, go 1838 * ahead and print it out. 1839 * Otherwise, just say that we 1840 * couldn't attach. 1841 */ 1842 1843 /* 1844 * Just print out the error, not 1845 * the full probe message, when we 1846 * don't attach. 1847 */ 1848 if (have_sense) 1849 scsi_sense_print( 1850 &done_ccb->csio); 1851 else { 1852 xpt_print(periph->path, 1853 "got CAM status %#x\n", 1854 done_ccb->ccb_h.status); 1855 } 1856 xpt_print(periph->path, "fatal error, " 1857 "failed to attach to device\n"); 1858 /* 1859 * Invalidate this peripheral. 1860 */ 1861 cam_periph_invalidate(periph); 1862 1863 announce_buf[0] = '\0'; 1864 } else { 1865 1866 /* 1867 * Invalidate this peripheral. 1868 */ 1869 cam_periph_invalidate(periph); 1870 announce_buf[0] = '\0'; 1871 } 1872 } 1873 } 1874 free(rdcap, M_SCSICD); 1875 if (announce_buf[0] != '\0') { 1876 xpt_announce_periph(periph, announce_buf); 1877 xpt_announce_quirks(periph, softc->quirks, 1878 CD_Q_BIT_STRING); 1879 if (softc->flags & CD_FLAG_CHANGER) 1880 cdchangerschedule(softc); 1881 /* 1882 * Create our sysctl variables, now that we know 1883 * we have successfully attached. 1884 */ 1885 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1886 } 1887 softc->state = CD_STATE_NORMAL; 1888 /* 1889 * Since our peripheral may be invalidated by an error 1890 * above or an external event, we must release our CCB 1891 * before releasing the probe lock on the peripheral. 1892 * The peripheral will only go away once the last lock 1893 * is removed, and we need it around for the CCB release 1894 * operation. 1895 */ 1896 xpt_release_ccb(done_ccb); 1897 cam_periph_unhold(periph); 1898 return; 1899 } 1900 case CD_CCB_WAITING: 1901 { 1902 /* Caller will release the CCB */ 1903 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1904 ("trying to wakeup ccbwait\n")); 1905 1906 wakeup(&done_ccb->ccb_h.cbfcnp); 1907 return; 1908 } 1909 case CD_CCB_TUR: 1910 { 1911 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1912 1913 if (cderror(done_ccb, CAM_RETRY_SELTO, 1914 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 1915 ERESTART) 1916 return; 1917 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1918 cam_release_devq(done_ccb->ccb_h.path, 1919 /*relsim_flags*/0, 1920 /*reduction*/0, 1921 /*timeout*/0, 1922 /*getcount_only*/0); 1923 } 1924 xpt_release_ccb(done_ccb); 1925 cam_periph_release_locked(periph); 1926 return; 1927 } 1928 default: 1929 break; 1930 } 1931 xpt_release_ccb(done_ccb); 1932} 1933 1934static union cd_pages * 1935cdgetpage(struct cd_mode_params *mode_params) 1936{ 1937 union cd_pages *page; 1938 1939 if (mode_params->cdb_size == 10) 1940 page = (union cd_pages *)find_mode_page_10( 1941 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1942 else 1943 page = (union cd_pages *)find_mode_page_6( 1944 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1945 1946 return (page); 1947} 1948 1949static int 1950cdgetpagesize(int page_num) 1951{ 1952 int i; 1953 1954 for (i = 0; i < (sizeof(cd_page_size_table)/ 1955 sizeof(cd_page_size_table[0])); i++) { 1956 if (cd_page_size_table[i].page == page_num) 1957 return (cd_page_size_table[i].page_size); 1958 } 1959 1960 return (-1); 1961} 1962 1963static int 1964cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1965{ 1966 1967 struct cam_periph *periph; 1968 struct cd_softc *softc; 1969 int nocopyout, error = 0; 1970 1971 periph = (struct cam_periph *)dp->d_drv1; 1972 cam_periph_lock(periph); 1973 1974 softc = (struct cd_softc *)periph->softc; 1975 1976 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1977 ("cdioctl(%#lx)\n", cmd)); 1978 1979 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1980 cam_periph_unlock(periph); 1981 cam_periph_release(periph); 1982 return (error); 1983 } 1984 1985 /* 1986 * If we don't have media loaded, check for it. If still don't 1987 * have media loaded, we can only do a load or eject. 1988 * 1989 * We only care whether media is loaded if this is a cd-specific ioctl 1990 * (thus the IOCGROUP check below). Note that this will break if 1991 * anyone adds any ioctls into the switch statement below that don't 1992 * have their ioctl group set to 'c'. 1993 */ 1994 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1995 && ((cmd != CDIOCCLOSE) 1996 && (cmd != CDIOCEJECT)) 1997 && (IOCGROUP(cmd) == 'c')) { 1998 error = cdcheckmedia(periph); 1999 if (error != 0) { 2000 cam_periph_unhold(periph); 2001 cam_periph_unlock(periph); 2002 return (error); 2003 } 2004 } 2005 /* 2006 * Drop the lock here so later mallocs can use WAITOK. The periph 2007 * is essentially locked still with the cam_periph_hold call above. 2008 */ 2009 cam_periph_unlock(periph); 2010 2011 nocopyout = 0; 2012 switch (cmd) { 2013 2014 case CDIOCPLAYTRACKS: 2015 { 2016 struct ioc_play_track *args 2017 = (struct ioc_play_track *) addr; 2018 struct cd_mode_params params; 2019 union cd_pages *page; 2020 2021 params.alloc_len = sizeof(union cd_mode_data_6_10); 2022 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2023 M_WAITOK | M_ZERO); 2024 2025 cam_periph_lock(periph); 2026 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2027 ("trying to do CDIOCPLAYTRACKS\n")); 2028 2029 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2030 if (error) { 2031 free(params.mode_buf, M_SCSICD); 2032 cam_periph_unlock(periph); 2033 break; 2034 } 2035 page = cdgetpage(¶ms); 2036 2037 page->audio.flags &= ~CD_PA_SOTC; 2038 page->audio.flags |= CD_PA_IMMED; 2039 error = cdsetmode(periph, ¶ms); 2040 free(params.mode_buf, M_SCSICD); 2041 if (error) { 2042 cam_periph_unlock(periph); 2043 break; 2044 } 2045 2046 /* 2047 * This was originally implemented with the PLAY 2048 * AUDIO TRACK INDEX command, but that command was 2049 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2050 * drives support it but ATAPI and ATAPI-derivative 2051 * drives don't seem to support it. So we keep a 2052 * cache of the table of contents and translate 2053 * track numbers to MSF format. 2054 */ 2055 if (softc->flags & CD_FLAG_VALID_TOC) { 2056 union msf_lba *sentry, *eentry; 2057 int st, et; 2058 2059 if (args->end_track < 2060 softc->toc.header.ending_track + 1) 2061 args->end_track++; 2062 if (args->end_track > 2063 softc->toc.header.ending_track + 1) 2064 args->end_track = 2065 softc->toc.header.ending_track + 1; 2066 st = args->start_track - 2067 softc->toc.header.starting_track; 2068 et = args->end_track - 2069 softc->toc.header.starting_track; 2070 if ((st < 0) 2071 || (et < 0) 2072 || (st > (softc->toc.header.ending_track - 2073 softc->toc.header.starting_track))) { 2074 error = EINVAL; 2075 cam_periph_unlock(periph); 2076 break; 2077 } 2078 sentry = &softc->toc.entries[st].addr; 2079 eentry = &softc->toc.entries[et].addr; 2080 error = cdplaymsf(periph, 2081 sentry->msf.minute, 2082 sentry->msf.second, 2083 sentry->msf.frame, 2084 eentry->msf.minute, 2085 eentry->msf.second, 2086 eentry->msf.frame); 2087 } else { 2088 /* 2089 * If we don't have a valid TOC, try the 2090 * play track index command. It is part of 2091 * the SCSI-2 spec, but was removed in the 2092 * MMC specs. ATAPI and ATAPI-derived 2093 * drives don't support it. 2094 */ 2095 if (softc->quirks & CD_Q_BCD_TRACKS) { 2096 args->start_track = 2097 bin2bcd(args->start_track); 2098 args->end_track = 2099 bin2bcd(args->end_track); 2100 } 2101 error = cdplaytracks(periph, 2102 args->start_track, 2103 args->start_index, 2104 args->end_track, 2105 args->end_index); 2106 } 2107 cam_periph_unlock(periph); 2108 } 2109 break; 2110 case CDIOCPLAYMSF: 2111 { 2112 struct ioc_play_msf *args 2113 = (struct ioc_play_msf *) addr; 2114 struct cd_mode_params params; 2115 union cd_pages *page; 2116 2117 params.alloc_len = sizeof(union cd_mode_data_6_10); 2118 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2119 M_WAITOK | M_ZERO); 2120 2121 cam_periph_lock(periph); 2122 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2123 ("trying to do CDIOCPLAYMSF\n")); 2124 2125 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2126 if (error) { 2127 free(params.mode_buf, M_SCSICD); 2128 cam_periph_unlock(periph); 2129 break; 2130 } 2131 page = cdgetpage(¶ms); 2132 2133 page->audio.flags &= ~CD_PA_SOTC; 2134 page->audio.flags |= CD_PA_IMMED; 2135 error = cdsetmode(periph, ¶ms); 2136 free(params.mode_buf, M_SCSICD); 2137 if (error) { 2138 cam_periph_unlock(periph); 2139 break; 2140 } 2141 error = cdplaymsf(periph, 2142 args->start_m, 2143 args->start_s, 2144 args->start_f, 2145 args->end_m, 2146 args->end_s, 2147 args->end_f); 2148 cam_periph_unlock(periph); 2149 } 2150 break; 2151 case CDIOCPLAYBLOCKS: 2152 { 2153 struct ioc_play_blocks *args 2154 = (struct ioc_play_blocks *) addr; 2155 struct cd_mode_params params; 2156 union cd_pages *page; 2157 2158 params.alloc_len = sizeof(union cd_mode_data_6_10); 2159 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2160 M_WAITOK | M_ZERO); 2161 2162 cam_periph_lock(periph); 2163 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2164 ("trying to do CDIOCPLAYBLOCKS\n")); 2165 2166 2167 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2168 if (error) { 2169 free(params.mode_buf, M_SCSICD); 2170 cam_periph_unlock(periph); 2171 break; 2172 } 2173 page = cdgetpage(¶ms); 2174 2175 page->audio.flags &= ~CD_PA_SOTC; 2176 page->audio.flags |= CD_PA_IMMED; 2177 error = cdsetmode(periph, ¶ms); 2178 free(params.mode_buf, M_SCSICD); 2179 if (error) { 2180 cam_periph_unlock(periph); 2181 break; 2182 } 2183 error = cdplay(periph, args->blk, args->len); 2184 cam_periph_unlock(periph); 2185 } 2186 break; 2187 case CDIOCREADSUBCHANNEL_SYSSPACE: 2188 nocopyout = 1; 2189 /* Fallthrough */ 2190 case CDIOCREADSUBCHANNEL: 2191 { 2192 struct ioc_read_subchannel *args 2193 = (struct ioc_read_subchannel *) addr; 2194 struct cd_sub_channel_info *data; 2195 u_int32_t len = args->data_len; 2196 2197 data = malloc(sizeof(struct cd_sub_channel_info), 2198 M_SCSICD, M_WAITOK | M_ZERO); 2199 2200 cam_periph_lock(periph); 2201 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2202 ("trying to do CDIOCREADSUBCHANNEL\n")); 2203 2204 if ((len > sizeof(struct cd_sub_channel_info)) || 2205 (len < sizeof(struct cd_sub_channel_header))) { 2206 printf( 2207 "scsi_cd: cdioctl: " 2208 "cdioreadsubchannel: error, len=%d\n", 2209 len); 2210 error = EINVAL; 2211 free(data, M_SCSICD); 2212 cam_periph_unlock(periph); 2213 break; 2214 } 2215 2216 if (softc->quirks & CD_Q_BCD_TRACKS) 2217 args->track = bin2bcd(args->track); 2218 2219 error = cdreadsubchannel(periph, args->address_format, 2220 args->data_format, args->track, data, len); 2221 2222 if (error) { 2223 free(data, M_SCSICD); 2224 cam_periph_unlock(periph); 2225 break; 2226 } 2227 if (softc->quirks & CD_Q_BCD_TRACKS) 2228 data->what.track_info.track_number = 2229 bcd2bin(data->what.track_info.track_number); 2230 len = min(len, ((data->header.data_len[0] << 8) + 2231 data->header.data_len[1] + 2232 sizeof(struct cd_sub_channel_header))); 2233 cam_periph_unlock(periph); 2234 if (nocopyout == 0) { 2235 if (copyout(data, args->data, len) != 0) { 2236 error = EFAULT; 2237 } 2238 } else { 2239 bcopy(data, args->data, len); 2240 } 2241 free(data, M_SCSICD); 2242 } 2243 break; 2244 2245 case CDIOREADTOCHEADER: 2246 { 2247 struct ioc_toc_header *th; 2248 2249 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2250 M_WAITOK | M_ZERO); 2251 2252 cam_periph_lock(periph); 2253 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2254 ("trying to do CDIOREADTOCHEADER\n")); 2255 2256 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2257 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 2258 if (error) { 2259 free(th, M_SCSICD); 2260 cam_periph_unlock(periph); 2261 break; 2262 } 2263 if (softc->quirks & CD_Q_BCD_TRACKS) { 2264 /* we are going to have to convert the BCD 2265 * encoding on the cd to what is expected 2266 */ 2267 th->starting_track = 2268 bcd2bin(th->starting_track); 2269 th->ending_track = bcd2bin(th->ending_track); 2270 } 2271 th->len = ntohs(th->len); 2272 bcopy(th, addr, sizeof(*th)); 2273 free(th, M_SCSICD); 2274 cam_periph_unlock(periph); 2275 } 2276 break; 2277 case CDIOREADTOCENTRYS: 2278 { 2279 struct cd_tocdata *data; 2280 struct cd_toc_single *lead; 2281 struct ioc_read_toc_entry *te = 2282 (struct ioc_read_toc_entry *) addr; 2283 struct ioc_toc_header *th; 2284 u_int32_t len, readlen, idx, num; 2285 u_int32_t starting_track = te->starting_track; 2286 2287 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2288 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2289 2290 cam_periph_lock(periph); 2291 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2292 ("trying to do CDIOREADTOCENTRYS\n")); 2293 2294 if (te->data_len < sizeof(struct cd_toc_entry) 2295 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2296 || (te->address_format != CD_MSF_FORMAT 2297 && te->address_format != CD_LBA_FORMAT)) { 2298 error = EINVAL; 2299 printf("scsi_cd: error in readtocentries, " 2300 "returning EINVAL\n"); 2301 free(data, M_SCSICD); 2302 free(lead, M_SCSICD); 2303 cam_periph_unlock(periph); 2304 break; 2305 } 2306 2307 th = &data->header; 2308 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2309 sizeof (*th), /*sense_flags*/0); 2310 if (error) { 2311 free(data, M_SCSICD); 2312 free(lead, M_SCSICD); 2313 cam_periph_unlock(periph); 2314 break; 2315 } 2316 2317 if (softc->quirks & CD_Q_BCD_TRACKS) { 2318 /* we are going to have to convert the BCD 2319 * encoding on the cd to what is expected 2320 */ 2321 th->starting_track = 2322 bcd2bin(th->starting_track); 2323 th->ending_track = bcd2bin(th->ending_track); 2324 } 2325 2326 if (starting_track == 0) 2327 starting_track = th->starting_track; 2328 else if (starting_track == LEADOUT) 2329 starting_track = th->ending_track + 1; 2330 else if (starting_track < th->starting_track || 2331 starting_track > th->ending_track + 1) { 2332 printf("scsi_cd: error in readtocentries, " 2333 "returning EINVAL\n"); 2334 free(data, M_SCSICD); 2335 free(lead, M_SCSICD); 2336 cam_periph_unlock(periph); 2337 error = EINVAL; 2338 break; 2339 } 2340 2341 /* calculate reading length without leadout entry */ 2342 readlen = (th->ending_track - starting_track + 1) * 2343 sizeof(struct cd_toc_entry); 2344 2345 /* and with leadout entry */ 2346 len = readlen + sizeof(struct cd_toc_entry); 2347 if (te->data_len < len) { 2348 len = te->data_len; 2349 if (readlen > len) 2350 readlen = len; 2351 } 2352 if (len > sizeof(data->entries)) { 2353 printf("scsi_cd: error in readtocentries, " 2354 "returning EINVAL\n"); 2355 error = EINVAL; 2356 free(data, M_SCSICD); 2357 free(lead, M_SCSICD); 2358 cam_periph_unlock(periph); 2359 break; 2360 } 2361 num = len / sizeof(struct cd_toc_entry); 2362 2363 if (readlen > 0) { 2364 error = cdreadtoc(periph, te->address_format, 2365 starting_track, 2366 (u_int8_t *)data, 2367 readlen + sizeof (*th), 2368 /*sense_flags*/0); 2369 if (error) { 2370 free(data, M_SCSICD); 2371 free(lead, M_SCSICD); 2372 cam_periph_unlock(periph); 2373 break; 2374 } 2375 } 2376 2377 /* make leadout entry if needed */ 2378 idx = starting_track + num - 1; 2379 if (softc->quirks & CD_Q_BCD_TRACKS) 2380 th->ending_track = bcd2bin(th->ending_track); 2381 if (idx == th->ending_track + 1) { 2382 error = cdreadtoc(periph, te->address_format, 2383 LEADOUT, (u_int8_t *)lead, 2384 sizeof(*lead), 2385 /*sense_flags*/0); 2386 if (error) { 2387 free(data, M_SCSICD); 2388 free(lead, M_SCSICD); 2389 cam_periph_unlock(periph); 2390 break; 2391 } 2392 data->entries[idx - starting_track] = 2393 lead->entry; 2394 } 2395 if (softc->quirks & CD_Q_BCD_TRACKS) { 2396 for (idx = 0; idx < num - 1; idx++) { 2397 data->entries[idx].track = 2398 bcd2bin(data->entries[idx].track); 2399 } 2400 } 2401 2402 cam_periph_unlock(periph); 2403 error = copyout(data->entries, te->data, len); 2404 free(data, M_SCSICD); 2405 free(lead, M_SCSICD); 2406 } 2407 break; 2408 case CDIOREADTOCENTRY: 2409 { 2410 struct cd_toc_single *data; 2411 struct ioc_read_toc_single_entry *te = 2412 (struct ioc_read_toc_single_entry *) addr; 2413 struct ioc_toc_header *th; 2414 u_int32_t track; 2415 2416 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2417 2418 cam_periph_lock(periph); 2419 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2420 ("trying to do CDIOREADTOCENTRY\n")); 2421 2422 if (te->address_format != CD_MSF_FORMAT 2423 && te->address_format != CD_LBA_FORMAT) { 2424 printf("error in readtocentry, " 2425 " returning EINVAL\n"); 2426 free(data, M_SCSICD); 2427 error = EINVAL; 2428 cam_periph_unlock(periph); 2429 break; 2430 } 2431 2432 th = &data->header; 2433 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2434 sizeof (*th), /*sense_flags*/0); 2435 if (error) { 2436 free(data, M_SCSICD); 2437 cam_periph_unlock(periph); 2438 break; 2439 } 2440 2441 if (softc->quirks & CD_Q_BCD_TRACKS) { 2442 /* we are going to have to convert the BCD 2443 * encoding on the cd to what is expected 2444 */ 2445 th->starting_track = 2446 bcd2bin(th->starting_track); 2447 th->ending_track = bcd2bin(th->ending_track); 2448 } 2449 track = te->track; 2450 if (track == 0) 2451 track = th->starting_track; 2452 else if (track == LEADOUT) 2453 /* OK */; 2454 else if (track < th->starting_track || 2455 track > th->ending_track + 1) { 2456 printf("error in readtocentry, " 2457 " returning EINVAL\n"); 2458 free(data, M_SCSICD); 2459 error = EINVAL; 2460 cam_periph_unlock(periph); 2461 break; 2462 } 2463 2464 error = cdreadtoc(periph, te->address_format, track, 2465 (u_int8_t *)data, sizeof(*data), 2466 /*sense_flags*/0); 2467 if (error) { 2468 free(data, M_SCSICD); 2469 cam_periph_unlock(periph); 2470 break; 2471 } 2472 2473 if (softc->quirks & CD_Q_BCD_TRACKS) 2474 data->entry.track = bcd2bin(data->entry.track); 2475 bcopy(&data->entry, &te->entry, 2476 sizeof(struct cd_toc_entry)); 2477 free(data, M_SCSICD); 2478 cam_periph_unlock(periph); 2479 } 2480 break; 2481 case CDIOCSETPATCH: 2482 { 2483 struct ioc_patch *arg = (struct ioc_patch *)addr; 2484 struct cd_mode_params params; 2485 union cd_pages *page; 2486 2487 params.alloc_len = sizeof(union cd_mode_data_6_10); 2488 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2489 M_WAITOK | M_ZERO); 2490 2491 cam_periph_lock(periph); 2492 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2493 ("trying to do CDIOCSETPATCH\n")); 2494 2495 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2496 if (error) { 2497 free(params.mode_buf, M_SCSICD); 2498 cam_periph_unlock(periph); 2499 break; 2500 } 2501 page = cdgetpage(¶ms); 2502 2503 page->audio.port[LEFT_PORT].channels = 2504 arg->patch[0]; 2505 page->audio.port[RIGHT_PORT].channels = 2506 arg->patch[1]; 2507 page->audio.port[2].channels = arg->patch[2]; 2508 page->audio.port[3].channels = arg->patch[3]; 2509 error = cdsetmode(periph, ¶ms); 2510 free(params.mode_buf, M_SCSICD); 2511 cam_periph_unlock(periph); 2512 } 2513 break; 2514 case CDIOCGETVOL: 2515 { 2516 struct ioc_vol *arg = (struct ioc_vol *) addr; 2517 struct cd_mode_params params; 2518 union cd_pages *page; 2519 2520 params.alloc_len = sizeof(union cd_mode_data_6_10); 2521 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2522 M_WAITOK | M_ZERO); 2523 2524 cam_periph_lock(periph); 2525 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2526 ("trying to do CDIOCGETVOL\n")); 2527 2528 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2529 if (error) { 2530 free(params.mode_buf, M_SCSICD); 2531 cam_periph_unlock(periph); 2532 break; 2533 } 2534 page = cdgetpage(¶ms); 2535 2536 arg->vol[LEFT_PORT] = 2537 page->audio.port[LEFT_PORT].volume; 2538 arg->vol[RIGHT_PORT] = 2539 page->audio.port[RIGHT_PORT].volume; 2540 arg->vol[2] = page->audio.port[2].volume; 2541 arg->vol[3] = page->audio.port[3].volume; 2542 free(params.mode_buf, M_SCSICD); 2543 cam_periph_unlock(periph); 2544 } 2545 break; 2546 case CDIOCSETVOL: 2547 { 2548 struct ioc_vol *arg = (struct ioc_vol *) addr; 2549 struct cd_mode_params params; 2550 union cd_pages *page; 2551 2552 params.alloc_len = sizeof(union cd_mode_data_6_10); 2553 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2554 M_WAITOK | M_ZERO); 2555 2556 cam_periph_lock(periph); 2557 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2558 ("trying to do CDIOCSETVOL\n")); 2559 2560 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2561 if (error) { 2562 free(params.mode_buf, M_SCSICD); 2563 cam_periph_unlock(periph); 2564 break; 2565 } 2566 page = cdgetpage(¶ms); 2567 2568 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2569 page->audio.port[LEFT_PORT].volume = 2570 arg->vol[LEFT_PORT]; 2571 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2572 page->audio.port[RIGHT_PORT].volume = 2573 arg->vol[RIGHT_PORT]; 2574 page->audio.port[2].volume = arg->vol[2]; 2575 page->audio.port[3].volume = arg->vol[3]; 2576 error = cdsetmode(periph, ¶ms); 2577 cam_periph_unlock(periph); 2578 free(params.mode_buf, M_SCSICD); 2579 } 2580 break; 2581 case CDIOCSETMONO: 2582 { 2583 struct cd_mode_params params; 2584 union cd_pages *page; 2585 2586 params.alloc_len = sizeof(union cd_mode_data_6_10); 2587 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2588 M_WAITOK | M_ZERO); 2589 2590 cam_periph_lock(periph); 2591 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2592 ("trying to do CDIOCSETMONO\n")); 2593 2594 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2595 if (error) { 2596 free(params.mode_buf, M_SCSICD); 2597 cam_periph_unlock(periph); 2598 break; 2599 } 2600 page = cdgetpage(¶ms); 2601 2602 page->audio.port[LEFT_PORT].channels = 2603 LEFT_CHANNEL | RIGHT_CHANNEL; 2604 page->audio.port[RIGHT_PORT].channels = 2605 LEFT_CHANNEL | RIGHT_CHANNEL; 2606 page->audio.port[2].channels = 0; 2607 page->audio.port[3].channels = 0; 2608 error = cdsetmode(periph, ¶ms); 2609 cam_periph_unlock(periph); 2610 free(params.mode_buf, M_SCSICD); 2611 } 2612 break; 2613 case CDIOCSETSTEREO: 2614 { 2615 struct cd_mode_params params; 2616 union cd_pages *page; 2617 2618 params.alloc_len = sizeof(union cd_mode_data_6_10); 2619 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2620 M_WAITOK | M_ZERO); 2621 2622 cam_periph_lock(periph); 2623 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2624 ("trying to do CDIOCSETSTEREO\n")); 2625 2626 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2627 if (error) { 2628 free(params.mode_buf, M_SCSICD); 2629 cam_periph_unlock(periph); 2630 break; 2631 } 2632 page = cdgetpage(¶ms); 2633 2634 page->audio.port[LEFT_PORT].channels = 2635 LEFT_CHANNEL; 2636 page->audio.port[RIGHT_PORT].channels = 2637 RIGHT_CHANNEL; 2638 page->audio.port[2].channels = 0; 2639 page->audio.port[3].channels = 0; 2640 error = cdsetmode(periph, ¶ms); 2641 free(params.mode_buf, M_SCSICD); 2642 cam_periph_unlock(periph); 2643 } 2644 break; 2645 case CDIOCSETMUTE: 2646 { 2647 struct cd_mode_params params; 2648 union cd_pages *page; 2649 2650 params.alloc_len = sizeof(union cd_mode_data_6_10); 2651 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2652 M_WAITOK | M_ZERO); 2653 2654 cam_periph_lock(periph); 2655 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2656 ("trying to do CDIOCSETMUTE\n")); 2657 2658 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2659 if (error) { 2660 free(params.mode_buf, M_SCSICD); 2661 cam_periph_unlock(periph); 2662 break; 2663 } 2664 page = cdgetpage(¶ms); 2665 2666 page->audio.port[LEFT_PORT].channels = 0; 2667 page->audio.port[RIGHT_PORT].channels = 0; 2668 page->audio.port[2].channels = 0; 2669 page->audio.port[3].channels = 0; 2670 error = cdsetmode(periph, ¶ms); 2671 free(params.mode_buf, M_SCSICD); 2672 cam_periph_unlock(periph); 2673 } 2674 break; 2675 case CDIOCSETLEFT: 2676 { 2677 struct cd_mode_params params; 2678 union cd_pages *page; 2679 2680 params.alloc_len = sizeof(union cd_mode_data_6_10); 2681 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2682 M_WAITOK | M_ZERO); 2683 2684 cam_periph_lock(periph); 2685 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2686 ("trying to do CDIOCSETLEFT\n")); 2687 2688 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2689 if (error) { 2690 free(params.mode_buf, M_SCSICD); 2691 cam_periph_unlock(periph); 2692 break; 2693 } 2694 page = cdgetpage(¶ms); 2695 2696 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2697 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2698 page->audio.port[2].channels = 0; 2699 page->audio.port[3].channels = 0; 2700 error = cdsetmode(periph, ¶ms); 2701 free(params.mode_buf, M_SCSICD); 2702 cam_periph_unlock(periph); 2703 } 2704 break; 2705 case CDIOCSETRIGHT: 2706 { 2707 struct cd_mode_params params; 2708 union cd_pages *page; 2709 2710 params.alloc_len = sizeof(union cd_mode_data_6_10); 2711 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2712 M_WAITOK | M_ZERO); 2713 2714 cam_periph_lock(periph); 2715 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2716 ("trying to do CDIOCSETRIGHT\n")); 2717 2718 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2719 if (error) { 2720 free(params.mode_buf, M_SCSICD); 2721 cam_periph_unlock(periph); 2722 break; 2723 } 2724 page = cdgetpage(¶ms); 2725 2726 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2727 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2728 page->audio.port[2].channels = 0; 2729 page->audio.port[3].channels = 0; 2730 error = cdsetmode(periph, ¶ms); 2731 free(params.mode_buf, M_SCSICD); 2732 cam_periph_unlock(periph); 2733 } 2734 break; 2735 case CDIOCRESUME: 2736 cam_periph_lock(periph); 2737 error = cdpause(periph, 1); 2738 cam_periph_unlock(periph); 2739 break; 2740 case CDIOCPAUSE: 2741 cam_periph_lock(periph); 2742 error = cdpause(periph, 0); 2743 cam_periph_unlock(periph); 2744 break; 2745 case CDIOCSTART: 2746 cam_periph_lock(periph); 2747 error = cdstartunit(periph, 0); 2748 cam_periph_unlock(periph); 2749 break; 2750 case CDIOCCLOSE: 2751 cam_periph_lock(periph); 2752 error = cdstartunit(periph, 1); 2753 cam_periph_unlock(periph); 2754 break; 2755 case CDIOCSTOP: 2756 cam_periph_lock(periph); 2757 error = cdstopunit(periph, 0); 2758 cam_periph_unlock(periph); 2759 break; 2760 case CDIOCEJECT: 2761 cam_periph_lock(periph); 2762 error = cdstopunit(periph, 1); 2763 cam_periph_unlock(periph); 2764 break; 2765 case CDIOCALLOW: 2766 cam_periph_lock(periph); 2767 cdprevent(periph, PR_ALLOW); 2768 cam_periph_unlock(periph); 2769 break; 2770 case CDIOCPREVENT: 2771 cam_periph_lock(periph); 2772 cdprevent(periph, PR_PREVENT); 2773 cam_periph_unlock(periph); 2774 break; 2775 case CDIOCSETDEBUG: 2776 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2777 error = ENOTTY; 2778 break; 2779 case CDIOCCLRDEBUG: 2780 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2781 error = ENOTTY; 2782 break; 2783 case CDIOCRESET: 2784 /* return (cd_reset(periph)); */ 2785 error = ENOTTY; 2786 break; 2787 case CDRIOCREADSPEED: 2788 cam_periph_lock(periph); 2789 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2790 cam_periph_unlock(periph); 2791 break; 2792 case CDRIOCWRITESPEED: 2793 cam_periph_lock(periph); 2794 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2795 cam_periph_unlock(periph); 2796 break; 2797 case CDRIOCGETBLOCKSIZE: 2798 *(int *)addr = softc->params.blksize; 2799 break; 2800 case CDRIOCSETBLOCKSIZE: 2801 if (*(int *)addr <= 0) { 2802 error = EINVAL; 2803 break; 2804 } 2805 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2806 break; 2807 case DVDIOCSENDKEY: 2808 case DVDIOCREPORTKEY: { 2809 struct dvd_authinfo *authinfo; 2810 2811 authinfo = (struct dvd_authinfo *)addr; 2812 2813 if (cmd == DVDIOCREPORTKEY) 2814 error = cdreportkey(periph, authinfo); 2815 else 2816 error = cdsendkey(periph, authinfo); 2817 break; 2818 } 2819 case DVDIOCREADSTRUCTURE: { 2820 struct dvd_struct *dvdstruct; 2821 2822 dvdstruct = (struct dvd_struct *)addr; 2823 2824 error = cdreaddvdstructure(periph, dvdstruct); 2825 2826 break; 2827 } 2828 default: 2829 cam_periph_lock(periph); 2830 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2831 cam_periph_unlock(periph); 2832 break; 2833 } 2834 2835 cam_periph_lock(periph); 2836 cam_periph_unhold(periph); 2837 2838 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2839 if (error && bootverbose) { 2840 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2841 } 2842 cam_periph_unlock(periph); 2843 2844 return (error); 2845} 2846 2847static void 2848cdprevent(struct cam_periph *periph, int action) 2849{ 2850 union ccb *ccb; 2851 struct cd_softc *softc; 2852 int error; 2853 2854 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2855 2856 softc = (struct cd_softc *)periph->softc; 2857 2858 if (((action == PR_ALLOW) 2859 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2860 || ((action == PR_PREVENT) 2861 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2862 return; 2863 } 2864 2865 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2866 2867 scsi_prevent(&ccb->csio, 2868 /*retries*/ cd_retry_count, 2869 cddone, 2870 MSG_SIMPLE_Q_TAG, 2871 action, 2872 SSD_FULL_SIZE, 2873 /* timeout */60000); 2874 2875 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2876 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2877 2878 xpt_release_ccb(ccb); 2879 2880 if (error == 0) { 2881 if (action == PR_ALLOW) 2882 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2883 else 2884 softc->flags |= CD_FLAG_DISC_LOCKED; 2885 } 2886} 2887 2888/* 2889 * XXX: the disk media and sector size is only really able to change 2890 * XXX: while the device is closed. 2891 */ 2892static int 2893cdcheckmedia(struct cam_periph *periph) 2894{ 2895 struct cd_softc *softc; 2896 struct ioc_toc_header *toch; 2897 struct cd_toc_single leadout; 2898 u_int32_t size, toclen; 2899 int error, num_entries, cdindex; 2900 2901 softc = (struct cd_softc *)periph->softc; 2902 2903 cdprevent(periph, PR_PREVENT); 2904 softc->disk->d_sectorsize = 2048; 2905 softc->disk->d_mediasize = 0; 2906 2907 /* 2908 * Get the disc size and block size. If we can't get it, we don't 2909 * have media, most likely. 2910 */ 2911 if ((error = cdsize(periph, &size)) != 0) { 2912 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2913 cdprevent(periph, PR_ALLOW); 2914 return (error); 2915 } else { 2916 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; 2917 softc->disk->d_sectorsize = softc->params.blksize; 2918 softc->disk->d_mediasize = 2919 (off_t)softc->params.blksize * softc->params.disksize; 2920 } 2921 2922 /* 2923 * Now we check the table of contents. This (currently) is only 2924 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2925 * things like present a separate entry in /dev for each track, 2926 * like that acd(4) driver does. 2927 */ 2928 bzero(&softc->toc, sizeof(softc->toc)); 2929 toch = &softc->toc.header; 2930 /* 2931 * We will get errors here for media that doesn't have a table of 2932 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2933 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2934 * has not been recorded (no complete session) and the Format codes 2935 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2936 * with an INVALID FIELD IN CDB. Devices that are not capable of 2937 * reading an incomplete session on DDC/CD-R/RW media shall report 2938 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2939 * 2940 * So this isn't fatal if we can't read the table of contents, it 2941 * just means that the user won't be able to issue the play tracks 2942 * ioctl, and likely lots of other stuff won't work either. They 2943 * need to burn the CD before we can do a whole lot with it. So 2944 * we don't print anything here if we get an error back. 2945 */ 2946 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2947 SF_NO_PRINT); 2948 /* 2949 * Errors in reading the table of contents aren't fatal, we just 2950 * won't have a valid table of contents cached. 2951 */ 2952 if (error != 0) { 2953 error = 0; 2954 bzero(&softc->toc, sizeof(softc->toc)); 2955 goto bailout; 2956 } 2957 2958 if (softc->quirks & CD_Q_BCD_TRACKS) { 2959 toch->starting_track = bcd2bin(toch->starting_track); 2960 toch->ending_track = bcd2bin(toch->ending_track); 2961 } 2962 2963 /* Number of TOC entries, plus leadout */ 2964 num_entries = (toch->ending_track - toch->starting_track) + 2; 2965 2966 if (num_entries <= 0) 2967 goto bailout; 2968 2969 toclen = num_entries * sizeof(struct cd_toc_entry); 2970 2971 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2972 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2973 SF_NO_PRINT); 2974 if (error != 0) { 2975 error = 0; 2976 bzero(&softc->toc, sizeof(softc->toc)); 2977 goto bailout; 2978 } 2979 2980 if (softc->quirks & CD_Q_BCD_TRACKS) { 2981 toch->starting_track = bcd2bin(toch->starting_track); 2982 toch->ending_track = bcd2bin(toch->ending_track); 2983 } 2984 /* 2985 * XXX KDM is this necessary? Probably only if the drive doesn't 2986 * return leadout information with the table of contents. 2987 */ 2988 cdindex = toch->starting_track + num_entries -1; 2989 if (cdindex == toch->ending_track + 1) { 2990 2991 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2992 (u_int8_t *)&leadout, sizeof(leadout), 2993 SF_NO_PRINT); 2994 if (error != 0) { 2995 error = 0; 2996 goto bailout; 2997 } 2998 softc->toc.entries[cdindex - toch->starting_track] = 2999 leadout.entry; 3000 } 3001 if (softc->quirks & CD_Q_BCD_TRACKS) { 3002 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 3003 softc->toc.entries[cdindex].track = 3004 bcd2bin(softc->toc.entries[cdindex].track); 3005 } 3006 } 3007 3008 softc->flags |= CD_FLAG_VALID_TOC; 3009 3010 /* If the first track is audio, correct sector size. */ 3011 if ((softc->toc.entries[0].control & 4) == 0) { 3012 softc->disk->d_sectorsize = softc->params.blksize = 2352; 3013 softc->disk->d_mediasize = 3014 (off_t)softc->params.blksize * softc->params.disksize; 3015 } 3016 3017bailout: 3018 3019 /* 3020 * We unconditionally (re)set the blocksize each time the 3021 * CD device is opened. This is because the CD can change, 3022 * and therefore the blocksize might change. 3023 * XXX problems here if some slice or partition is still 3024 * open with the old size? 3025 */ 3026 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 3027 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3028 softc->disk->d_devstat->block_size = softc->params.blksize; 3029 3030 return (error); 3031} 3032 3033static int 3034cdsize(struct cam_periph *periph, u_int32_t *size) 3035{ 3036 struct cd_softc *softc; 3037 union ccb *ccb; 3038 struct scsi_read_capacity_data *rcap_buf; 3039 int error; 3040 3041 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3042 3043 softc = (struct cd_softc *)periph->softc; 3044 3045 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3046 3047 /* XXX Should be M_WAITOK */ 3048 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 3049 M_SCSICD, M_NOWAIT | M_ZERO); 3050 if (rcap_buf == NULL) 3051 return (ENOMEM); 3052 3053 scsi_read_capacity(&ccb->csio, 3054 /*retries*/ cd_retry_count, 3055 cddone, 3056 MSG_SIMPLE_Q_TAG, 3057 rcap_buf, 3058 SSD_FULL_SIZE, 3059 /* timeout */20000); 3060 3061 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3062 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3063 3064 xpt_release_ccb(ccb); 3065 3066 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3067 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3068 /* Make sure we got at least some block size. */ 3069 if (error == 0 && softc->params.blksize == 0) 3070 error = EIO; 3071 /* 3072 * SCSI-3 mandates that the reported blocksize shall be 2048. 3073 * Older drives sometimes report funny values, trim it down to 3074 * 2048, or other parts of the kernel will get confused. 3075 * 3076 * XXX we leave drives alone that might report 512 bytes, as 3077 * well as drives reporting more weird sizes like perhaps 4K. 3078 */ 3079 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3080 softc->params.blksize = 2048; 3081 3082 free(rcap_buf, M_SCSICD); 3083 *size = softc->params.disksize; 3084 3085 return (error); 3086 3087} 3088 3089static int 3090cd6byteworkaround(union ccb *ccb) 3091{ 3092 u_int8_t *cdb; 3093 struct cam_periph *periph; 3094 struct cd_softc *softc; 3095 struct cd_mode_params *params; 3096 int frozen, found; 3097 3098 periph = xpt_path_periph(ccb->ccb_h.path); 3099 softc = (struct cd_softc *)periph->softc; 3100 3101 cdb = ccb->csio.cdb_io.cdb_bytes; 3102 3103 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3104 || ((cdb[0] != MODE_SENSE_6) 3105 && (cdb[0] != MODE_SELECT_6))) 3106 return (0); 3107 3108 /* 3109 * Because there is no convenient place to stash the overall 3110 * cd_mode_params structure pointer, we have to grab it like this. 3111 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3112 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3113 * 3114 * XXX It would be nice if, at some point, we could increase the 3115 * number of available peripheral private pointers. Both pointers 3116 * are currently used in most every peripheral driver. 3117 */ 3118 found = 0; 3119 3120 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3121 if (params->mode_buf == ccb->csio.data_ptr) { 3122 found = 1; 3123 break; 3124 } 3125 } 3126 3127 /* 3128 * This shouldn't happen. All mode sense and mode select 3129 * operations in the cd(4) driver MUST go through cdgetmode() and 3130 * cdsetmode()! 3131 */ 3132 if (found == 0) { 3133 xpt_print(periph->path, 3134 "mode buffer not found in mode queue!\n"); 3135 return (0); 3136 } 3137 3138 params->cdb_size = 10; 3139 softc->minimum_command_size = 10; 3140 xpt_print(ccb->ccb_h.path, 3141 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3142 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3143 3144 if (cdb[0] == MODE_SENSE_6) { 3145 struct scsi_mode_sense_10 ms10; 3146 struct scsi_mode_sense_6 *ms6; 3147 int len; 3148 3149 ms6 = (struct scsi_mode_sense_6 *)cdb; 3150 3151 bzero(&ms10, sizeof(ms10)); 3152 ms10.opcode = MODE_SENSE_10; 3153 ms10.byte2 = ms6->byte2; 3154 ms10.page = ms6->page; 3155 3156 /* 3157 * 10 byte mode header, block descriptor, 3158 * sizeof(union cd_pages) 3159 */ 3160 len = sizeof(struct cd_mode_data_10); 3161 ccb->csio.dxfer_len = len; 3162 3163 scsi_ulto2b(len, ms10.length); 3164 ms10.control = ms6->control; 3165 bcopy(&ms10, cdb, 10); 3166 ccb->csio.cdb_len = 10; 3167 } else { 3168 struct scsi_mode_select_10 ms10; 3169 struct scsi_mode_select_6 *ms6; 3170 struct scsi_mode_header_6 *header6; 3171 struct scsi_mode_header_10 *header10; 3172 struct scsi_mode_page_header *page_header; 3173 int blk_desc_len, page_num, page_size, len; 3174 3175 ms6 = (struct scsi_mode_select_6 *)cdb; 3176 3177 bzero(&ms10, sizeof(ms10)); 3178 ms10.opcode = MODE_SELECT_10; 3179 ms10.byte2 = ms6->byte2; 3180 3181 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3182 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3183 3184 page_header = find_mode_page_6(header6); 3185 page_num = page_header->page_code; 3186 3187 blk_desc_len = header6->blk_desc_len; 3188 3189 page_size = cdgetpagesize(page_num); 3190 3191 if (page_size != (page_header->page_length + 3192 sizeof(*page_header))) 3193 page_size = page_header->page_length + 3194 sizeof(*page_header); 3195 3196 len = sizeof(*header10) + blk_desc_len + page_size; 3197 3198 len = min(params->alloc_len, len); 3199 3200 /* 3201 * Since the 6 byte parameter header is shorter than the 10 3202 * byte parameter header, we need to copy the actual mode 3203 * page data, and the block descriptor, if any, so things wind 3204 * up in the right place. The regions will overlap, but 3205 * bcopy() does the right thing. 3206 */ 3207 bcopy(params->mode_buf + sizeof(*header6), 3208 params->mode_buf + sizeof(*header10), 3209 len - sizeof(*header10)); 3210 3211 /* Make sure these fields are set correctly. */ 3212 scsi_ulto2b(0, header10->data_length); 3213 header10->medium_type = 0; 3214 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3215 3216 ccb->csio.dxfer_len = len; 3217 3218 scsi_ulto2b(len, ms10.length); 3219 ms10.control = ms6->control; 3220 bcopy(&ms10, cdb, 10); 3221 ccb->csio.cdb_len = 10; 3222 } 3223 3224 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3225 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3226 xpt_action(ccb); 3227 if (frozen) { 3228 cam_release_devq(ccb->ccb_h.path, 3229 /*relsim_flags*/0, 3230 /*openings*/0, 3231 /*timeout*/0, 3232 /*getcount_only*/0); 3233 } 3234 3235 return (ERESTART); 3236} 3237 3238static int 3239cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3240{ 3241 struct cd_softc *softc; 3242 struct cam_periph *periph; 3243 int error, error_code, sense_key, asc, ascq; 3244 3245 periph = xpt_path_periph(ccb->ccb_h.path); 3246 softc = (struct cd_softc *)periph->softc; 3247 3248 error = 0; 3249 3250 /* 3251 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3252 * CDB comes back with this particular error, try transforming it 3253 * into the 10 byte version. 3254 */ 3255 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3256 error = cd6byteworkaround(ccb); 3257 } else if (scsi_extract_sense_ccb(ccb, 3258 &error_code, &sense_key, &asc, &ascq)) { 3259 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3260 error = cd6byteworkaround(ccb); 3261 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3262 asc == 0x28 && ascq == 0x00) 3263 disk_media_changed(softc->disk, M_NOWAIT); 3264 else if (sense_key == SSD_KEY_NOT_READY && 3265 asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { 3266 softc->flags &= ~CD_FLAG_SAW_MEDIA; 3267 disk_media_gone(softc->disk, M_NOWAIT); 3268 } 3269 } 3270 3271 if (error == ERESTART) 3272 return (error); 3273 3274 /* 3275 * XXX 3276 * Until we have a better way of doing pack validation, 3277 * don't treat UAs as errors. 3278 */ 3279 sense_flags |= SF_RETRY_UA; 3280 return (cam_periph_error(ccb, cam_flags, sense_flags, 3281 &softc->saved_ccb)); 3282} 3283 3284static void 3285cdmediapoll(void *arg) 3286{ 3287 struct cam_periph *periph = arg; 3288 struct cd_softc *softc = periph->softc; 3289 3290 if (softc->flags & CD_FLAG_CHANGER) 3291 return; 3292 3293 if (softc->state == CD_STATE_NORMAL && !softc->tur && 3294 softc->outstanding_cmds == 0) { 3295 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3296 softc->tur = 1; 3297 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 3298 } 3299 } 3300 /* Queue us up again */ 3301 if (cd_poll_period != 0) 3302 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); 3303} 3304 3305/* 3306 * Read table of contents 3307 */ 3308static int 3309cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3310 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3311{ 3312 struct scsi_read_toc *scsi_cmd; 3313 u_int32_t ntoc; 3314 struct ccb_scsiio *csio; 3315 union ccb *ccb; 3316 int error; 3317 3318 ntoc = len; 3319 error = 0; 3320 3321 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3322 3323 csio = &ccb->csio; 3324 3325 cam_fill_csio(csio, 3326 /* retries */ cd_retry_count, 3327 /* cbfcnp */ cddone, 3328 /* flags */ CAM_DIR_IN, 3329 /* tag_action */ MSG_SIMPLE_Q_TAG, 3330 /* data_ptr */ data, 3331 /* dxfer_len */ len, 3332 /* sense_len */ SSD_FULL_SIZE, 3333 sizeof(struct scsi_read_toc), 3334 /* timeout */ 50000); 3335 3336 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3337 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3338 3339 if (mode == CD_MSF_FORMAT) 3340 scsi_cmd->byte2 |= CD_MSF; 3341 scsi_cmd->from_track = start; 3342 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3343 scsi_cmd->data_len[0] = (ntoc) >> 8; 3344 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3345 3346 scsi_cmd->op_code = READ_TOC; 3347 3348 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3349 /*sense_flags*/SF_RETRY_UA | sense_flags); 3350 3351 xpt_release_ccb(ccb); 3352 3353 return(error); 3354} 3355 3356static int 3357cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3358 u_int32_t format, int track, 3359 struct cd_sub_channel_info *data, u_int32_t len) 3360{ 3361 struct scsi_read_subchannel *scsi_cmd; 3362 struct ccb_scsiio *csio; 3363 union ccb *ccb; 3364 int error; 3365 3366 error = 0; 3367 3368 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3369 3370 csio = &ccb->csio; 3371 3372 cam_fill_csio(csio, 3373 /* retries */ cd_retry_count, 3374 /* cbfcnp */ cddone, 3375 /* flags */ CAM_DIR_IN, 3376 /* tag_action */ MSG_SIMPLE_Q_TAG, 3377 /* data_ptr */ (u_int8_t *)data, 3378 /* dxfer_len */ len, 3379 /* sense_len */ SSD_FULL_SIZE, 3380 sizeof(struct scsi_read_subchannel), 3381 /* timeout */ 50000); 3382 3383 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3384 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3385 3386 scsi_cmd->op_code = READ_SUBCHANNEL; 3387 if (mode == CD_MSF_FORMAT) 3388 scsi_cmd->byte1 |= CD_MSF; 3389 scsi_cmd->byte2 = SRS_SUBQ; 3390 scsi_cmd->subchan_format = format; 3391 scsi_cmd->track = track; 3392 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3393 scsi_cmd->control = 0; 3394 3395 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3396 /*sense_flags*/SF_RETRY_UA); 3397 3398 xpt_release_ccb(ccb); 3399 3400 return(error); 3401} 3402 3403 3404/* 3405 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3406 * routine. See comments in cd6byteworkaround() for details. 3407 */ 3408static int 3409cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3410 u_int32_t page) 3411{ 3412 struct ccb_scsiio *csio; 3413 struct cd_softc *softc; 3414 union ccb *ccb; 3415 int param_len; 3416 int error; 3417 3418 softc = (struct cd_softc *)periph->softc; 3419 3420 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3421 3422 csio = &ccb->csio; 3423 3424 data->cdb_size = softc->minimum_command_size; 3425 if (data->cdb_size < 10) 3426 param_len = sizeof(struct cd_mode_data); 3427 else 3428 param_len = sizeof(struct cd_mode_data_10); 3429 3430 /* Don't say we've got more room than we actually allocated */ 3431 param_len = min(param_len, data->alloc_len); 3432 3433 scsi_mode_sense_len(csio, 3434 /* retries */ cd_retry_count, 3435 /* cbfcnp */ cddone, 3436 /* tag_action */ MSG_SIMPLE_Q_TAG, 3437 /* dbd */ 0, 3438 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3439 /* page */ page, 3440 /* param_buf */ data->mode_buf, 3441 /* param_len */ param_len, 3442 /* minimum_cmd_size */ softc->minimum_command_size, 3443 /* sense_len */ SSD_FULL_SIZE, 3444 /* timeout */ 50000); 3445 3446 /* 3447 * It would be nice not to have to do this, but there's no 3448 * available pointer in the CCB that would allow us to stuff the 3449 * mode params structure in there and retrieve it in 3450 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3451 * lets the caller know what CDB size we ended up using, so they 3452 * can find the actual mode page offset. 3453 */ 3454 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3455 3456 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3457 /*sense_flags*/SF_RETRY_UA); 3458 3459 xpt_release_ccb(ccb); 3460 3461 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3462 3463 /* 3464 * This is a bit of belt-and-suspenders checking, but if we run 3465 * into a situation where the target sends back multiple block 3466 * descriptors, we might not have enough space in the buffer to 3467 * see the whole mode page. Better to return an error than 3468 * potentially access memory beyond our malloced region. 3469 */ 3470 if (error == 0) { 3471 u_int32_t data_len; 3472 3473 if (data->cdb_size == 10) { 3474 struct scsi_mode_header_10 *hdr10; 3475 3476 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3477 data_len = scsi_2btoul(hdr10->data_length); 3478 data_len += sizeof(hdr10->data_length); 3479 } else { 3480 struct scsi_mode_header_6 *hdr6; 3481 3482 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3483 data_len = hdr6->data_length; 3484 data_len += sizeof(hdr6->data_length); 3485 } 3486 3487 /* 3488 * Complain if there is more mode data available than we 3489 * allocated space for. This could potentially happen if 3490 * we miscalculated the page length for some reason, if the 3491 * drive returns multiple block descriptors, or if it sets 3492 * the data length incorrectly. 3493 */ 3494 if (data_len > data->alloc_len) { 3495 xpt_print(periph->path, "allocated modepage %d length " 3496 "%d < returned length %d\n", page, data->alloc_len, 3497 data_len); 3498 error = ENOSPC; 3499 } 3500 } 3501 return (error); 3502} 3503 3504/* 3505 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3506 * routine. See comments in cd6byteworkaround() for details. 3507 */ 3508static int 3509cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3510{ 3511 struct ccb_scsiio *csio; 3512 struct cd_softc *softc; 3513 union ccb *ccb; 3514 int cdb_size, param_len; 3515 int error; 3516 3517 softc = (struct cd_softc *)periph->softc; 3518 3519 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3520 3521 csio = &ccb->csio; 3522 3523 error = 0; 3524 3525 /* 3526 * If the data is formatted for the 10 byte version of the mode 3527 * select parameter list, we need to use the 10 byte CDB. 3528 * Otherwise, we use whatever the stored minimum command size. 3529 */ 3530 if (data->cdb_size == 10) 3531 cdb_size = data->cdb_size; 3532 else 3533 cdb_size = softc->minimum_command_size; 3534 3535 if (cdb_size >= 10) { 3536 struct scsi_mode_header_10 *mode_header; 3537 u_int32_t data_len; 3538 3539 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3540 3541 data_len = scsi_2btoul(mode_header->data_length); 3542 3543 scsi_ulto2b(0, mode_header->data_length); 3544 /* 3545 * SONY drives do not allow a mode select with a medium_type 3546 * value that has just been returned by a mode sense; use a 3547 * medium_type of 0 (Default) instead. 3548 */ 3549 mode_header->medium_type = 0; 3550 3551 /* 3552 * Pass back whatever the drive passed to us, plus the size 3553 * of the data length field. 3554 */ 3555 param_len = data_len + sizeof(mode_header->data_length); 3556 3557 } else { 3558 struct scsi_mode_header_6 *mode_header; 3559 3560 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3561 3562 param_len = mode_header->data_length + 1; 3563 3564 mode_header->data_length = 0; 3565 /* 3566 * SONY drives do not allow a mode select with a medium_type 3567 * value that has just been returned by a mode sense; use a 3568 * medium_type of 0 (Default) instead. 3569 */ 3570 mode_header->medium_type = 0; 3571 } 3572 3573 /* Don't say we've got more room than we actually allocated */ 3574 param_len = min(param_len, data->alloc_len); 3575 3576 scsi_mode_select_len(csio, 3577 /* retries */ cd_retry_count, 3578 /* cbfcnp */ cddone, 3579 /* tag_action */ MSG_SIMPLE_Q_TAG, 3580 /* scsi_page_fmt */ 1, 3581 /* save_pages */ 0, 3582 /* param_buf */ data->mode_buf, 3583 /* param_len */ param_len, 3584 /* minimum_cmd_size */ cdb_size, 3585 /* sense_len */ SSD_FULL_SIZE, 3586 /* timeout */ 50000); 3587 3588 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3589 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3590 3591 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3592 /*sense_flags*/SF_RETRY_UA); 3593 3594 xpt_release_ccb(ccb); 3595 3596 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3597 3598 return (error); 3599} 3600 3601 3602static int 3603cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3604{ 3605 struct ccb_scsiio *csio; 3606 union ccb *ccb; 3607 int error; 3608 u_int8_t cdb_len; 3609 3610 error = 0; 3611 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3612 csio = &ccb->csio; 3613 /* 3614 * Use the smallest possible command to perform the operation. 3615 */ 3616 if ((len & 0xffff0000) == 0) { 3617 /* 3618 * We can fit in a 10 byte cdb. 3619 */ 3620 struct scsi_play_10 *scsi_cmd; 3621 3622 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3623 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3624 scsi_cmd->op_code = PLAY_10; 3625 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3626 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3627 cdb_len = sizeof(*scsi_cmd); 3628 } else { 3629 struct scsi_play_12 *scsi_cmd; 3630 3631 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3632 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3633 scsi_cmd->op_code = PLAY_12; 3634 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3635 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3636 cdb_len = sizeof(*scsi_cmd); 3637 } 3638 cam_fill_csio(csio, 3639 /*retries*/ cd_retry_count, 3640 cddone, 3641 /*flags*/CAM_DIR_NONE, 3642 MSG_SIMPLE_Q_TAG, 3643 /*dataptr*/NULL, 3644 /*datalen*/0, 3645 /*sense_len*/SSD_FULL_SIZE, 3646 cdb_len, 3647 /*timeout*/50 * 1000); 3648 3649 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3650 /*sense_flags*/SF_RETRY_UA); 3651 3652 xpt_release_ccb(ccb); 3653 3654 return(error); 3655} 3656 3657static int 3658cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3659 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3660{ 3661 struct scsi_play_msf *scsi_cmd; 3662 struct ccb_scsiio *csio; 3663 union ccb *ccb; 3664 int error; 3665 3666 error = 0; 3667 3668 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3669 3670 csio = &ccb->csio; 3671 3672 cam_fill_csio(csio, 3673 /* retries */ cd_retry_count, 3674 /* cbfcnp */ cddone, 3675 /* flags */ CAM_DIR_NONE, 3676 /* tag_action */ MSG_SIMPLE_Q_TAG, 3677 /* data_ptr */ NULL, 3678 /* dxfer_len */ 0, 3679 /* sense_len */ SSD_FULL_SIZE, 3680 sizeof(struct scsi_play_msf), 3681 /* timeout */ 50000); 3682 3683 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3684 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3685 3686 scsi_cmd->op_code = PLAY_MSF; 3687 scsi_cmd->start_m = startm; 3688 scsi_cmd->start_s = starts; 3689 scsi_cmd->start_f = startf; 3690 scsi_cmd->end_m = endm; 3691 scsi_cmd->end_s = ends; 3692 scsi_cmd->end_f = endf; 3693 3694 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3695 /*sense_flags*/SF_RETRY_UA); 3696 3697 xpt_release_ccb(ccb); 3698 3699 return(error); 3700} 3701 3702 3703static int 3704cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3705 u_int32_t etrack, u_int32_t eindex) 3706{ 3707 struct scsi_play_track *scsi_cmd; 3708 struct ccb_scsiio *csio; 3709 union ccb *ccb; 3710 int error; 3711 3712 error = 0; 3713 3714 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3715 3716 csio = &ccb->csio; 3717 3718 cam_fill_csio(csio, 3719 /* retries */ cd_retry_count, 3720 /* cbfcnp */ cddone, 3721 /* flags */ CAM_DIR_NONE, 3722 /* tag_action */ MSG_SIMPLE_Q_TAG, 3723 /* data_ptr */ NULL, 3724 /* dxfer_len */ 0, 3725 /* sense_len */ SSD_FULL_SIZE, 3726 sizeof(struct scsi_play_track), 3727 /* timeout */ 50000); 3728 3729 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3730 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3731 3732 scsi_cmd->op_code = PLAY_TRACK; 3733 scsi_cmd->start_track = strack; 3734 scsi_cmd->start_index = sindex; 3735 scsi_cmd->end_track = etrack; 3736 scsi_cmd->end_index = eindex; 3737 3738 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3739 /*sense_flags*/SF_RETRY_UA); 3740 3741 xpt_release_ccb(ccb); 3742 3743 return(error); 3744} 3745 3746static int 3747cdpause(struct cam_periph *periph, u_int32_t go) 3748{ 3749 struct scsi_pause *scsi_cmd; 3750 struct ccb_scsiio *csio; 3751 union ccb *ccb; 3752 int error; 3753 3754 error = 0; 3755 3756 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3757 3758 csio = &ccb->csio; 3759 3760 cam_fill_csio(csio, 3761 /* retries */ cd_retry_count, 3762 /* cbfcnp */ cddone, 3763 /* flags */ CAM_DIR_NONE, 3764 /* tag_action */ MSG_SIMPLE_Q_TAG, 3765 /* data_ptr */ NULL, 3766 /* dxfer_len */ 0, 3767 /* sense_len */ SSD_FULL_SIZE, 3768 sizeof(struct scsi_pause), 3769 /* timeout */ 50000); 3770 3771 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3772 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3773 3774 scsi_cmd->op_code = PAUSE; 3775 scsi_cmd->resume = go; 3776 3777 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3778 /*sense_flags*/SF_RETRY_UA); 3779 3780 xpt_release_ccb(ccb); 3781 3782 return(error); 3783} 3784 3785static int 3786cdstartunit(struct cam_periph *periph, int load) 3787{ 3788 union ccb *ccb; 3789 int error; 3790 3791 error = 0; 3792 3793 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3794 3795 scsi_start_stop(&ccb->csio, 3796 /* retries */ cd_retry_count, 3797 /* cbfcnp */ cddone, 3798 /* tag_action */ MSG_SIMPLE_Q_TAG, 3799 /* start */ TRUE, 3800 /* load_eject */ load, 3801 /* immediate */ FALSE, 3802 /* sense_len */ SSD_FULL_SIZE, 3803 /* timeout */ 50000); 3804 3805 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3806 /*sense_flags*/SF_RETRY_UA); 3807 3808 xpt_release_ccb(ccb); 3809 3810 return(error); 3811} 3812 3813static int 3814cdstopunit(struct cam_periph *periph, u_int32_t eject) 3815{ 3816 union ccb *ccb; 3817 int error; 3818 3819 error = 0; 3820 3821 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3822 3823 scsi_start_stop(&ccb->csio, 3824 /* retries */ cd_retry_count, 3825 /* cbfcnp */ cddone, 3826 /* tag_action */ MSG_SIMPLE_Q_TAG, 3827 /* start */ FALSE, 3828 /* load_eject */ eject, 3829 /* immediate */ FALSE, 3830 /* sense_len */ SSD_FULL_SIZE, 3831 /* timeout */ 50000); 3832 3833 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3834 /*sense_flags*/SF_RETRY_UA); 3835 3836 xpt_release_ccb(ccb); 3837 3838 return(error); 3839} 3840 3841static int 3842cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3843{ 3844 struct scsi_set_speed *scsi_cmd; 3845 struct ccb_scsiio *csio; 3846 union ccb *ccb; 3847 int error; 3848 3849 error = 0; 3850 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3851 csio = &ccb->csio; 3852 3853 /* Preserve old behavior: units in multiples of CDROM speed */ 3854 if (rdspeed < 177) 3855 rdspeed *= 177; 3856 if (wrspeed < 177) 3857 wrspeed *= 177; 3858 3859 cam_fill_csio(csio, 3860 /* retries */ cd_retry_count, 3861 /* cbfcnp */ cddone, 3862 /* flags */ CAM_DIR_NONE, 3863 /* tag_action */ MSG_SIMPLE_Q_TAG, 3864 /* data_ptr */ NULL, 3865 /* dxfer_len */ 0, 3866 /* sense_len */ SSD_FULL_SIZE, 3867 sizeof(struct scsi_set_speed), 3868 /* timeout */ 50000); 3869 3870 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3871 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3872 3873 scsi_cmd->opcode = SET_CD_SPEED; 3874 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3875 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3876 3877 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3878 /*sense_flags*/SF_RETRY_UA); 3879 3880 xpt_release_ccb(ccb); 3881 3882 return(error); 3883} 3884 3885static int 3886cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3887{ 3888 union ccb *ccb; 3889 u_int8_t *databuf; 3890 u_int32_t lba; 3891 int error; 3892 int length; 3893 3894 error = 0; 3895 databuf = NULL; 3896 lba = 0; 3897 3898 switch (authinfo->format) { 3899 case DVD_REPORT_AGID: 3900 length = sizeof(struct scsi_report_key_data_agid); 3901 break; 3902 case DVD_REPORT_CHALLENGE: 3903 length = sizeof(struct scsi_report_key_data_challenge); 3904 break; 3905 case DVD_REPORT_KEY1: 3906 length = sizeof(struct scsi_report_key_data_key1_key2); 3907 break; 3908 case DVD_REPORT_TITLE_KEY: 3909 length = sizeof(struct scsi_report_key_data_title); 3910 /* The lba field is only set for the title key */ 3911 lba = authinfo->lba; 3912 break; 3913 case DVD_REPORT_ASF: 3914 length = sizeof(struct scsi_report_key_data_asf); 3915 break; 3916 case DVD_REPORT_RPC: 3917 length = sizeof(struct scsi_report_key_data_rpc); 3918 break; 3919 case DVD_INVALIDATE_AGID: 3920 length = 0; 3921 break; 3922 default: 3923 return (EINVAL); 3924 } 3925 3926 if (length != 0) { 3927 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3928 } else 3929 databuf = NULL; 3930 3931 cam_periph_lock(periph); 3932 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3933 3934 scsi_report_key(&ccb->csio, 3935 /* retries */ cd_retry_count, 3936 /* cbfcnp */ cddone, 3937 /* tag_action */ MSG_SIMPLE_Q_TAG, 3938 /* lba */ lba, 3939 /* agid */ authinfo->agid, 3940 /* key_format */ authinfo->format, 3941 /* data_ptr */ databuf, 3942 /* dxfer_len */ length, 3943 /* sense_len */ SSD_FULL_SIZE, 3944 /* timeout */ 50000); 3945 3946 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3947 /*sense_flags*/SF_RETRY_UA); 3948 3949 if (error != 0) 3950 goto bailout; 3951 3952 if (ccb->csio.resid != 0) { 3953 xpt_print(periph->path, "warning, residual for report key " 3954 "command is %d\n", ccb->csio.resid); 3955 } 3956 3957 switch(authinfo->format) { 3958 case DVD_REPORT_AGID: { 3959 struct scsi_report_key_data_agid *agid_data; 3960 3961 agid_data = (struct scsi_report_key_data_agid *)databuf; 3962 3963 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3964 RKD_AGID_SHIFT; 3965 break; 3966 } 3967 case DVD_REPORT_CHALLENGE: { 3968 struct scsi_report_key_data_challenge *chal_data; 3969 3970 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3971 3972 bcopy(chal_data->challenge_key, authinfo->keychal, 3973 min(sizeof(chal_data->challenge_key), 3974 sizeof(authinfo->keychal))); 3975 break; 3976 } 3977 case DVD_REPORT_KEY1: { 3978 struct scsi_report_key_data_key1_key2 *key1_data; 3979 3980 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3981 3982 bcopy(key1_data->key1, authinfo->keychal, 3983 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3984 break; 3985 } 3986 case DVD_REPORT_TITLE_KEY: { 3987 struct scsi_report_key_data_title *title_data; 3988 3989 title_data = (struct scsi_report_key_data_title *)databuf; 3990 3991 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3992 RKD_TITLE_CPM_SHIFT; 3993 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3994 RKD_TITLE_CP_SEC_SHIFT; 3995 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3996 RKD_TITLE_CMGS_SHIFT; 3997 bcopy(title_data->title_key, authinfo->keychal, 3998 min(sizeof(title_data->title_key), 3999 sizeof(authinfo->keychal))); 4000 break; 4001 } 4002 case DVD_REPORT_ASF: { 4003 struct scsi_report_key_data_asf *asf_data; 4004 4005 asf_data = (struct scsi_report_key_data_asf *)databuf; 4006 4007 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 4008 break; 4009 } 4010 case DVD_REPORT_RPC: { 4011 struct scsi_report_key_data_rpc *rpc_data; 4012 4013 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 4014 4015 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 4016 RKD_RPC_TYPE_SHIFT; 4017 authinfo->vend_rsts = 4018 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 4019 RKD_RPC_VENDOR_RESET_SHIFT; 4020 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4021 authinfo->region = rpc_data->region_mask; 4022 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4023 break; 4024 } 4025 case DVD_INVALIDATE_AGID: 4026 break; 4027 default: 4028 /* This should be impossible, since we checked above */ 4029 error = EINVAL; 4030 goto bailout; 4031 break; /* NOTREACHED */ 4032 } 4033 4034bailout: 4035 xpt_release_ccb(ccb); 4036 cam_periph_unlock(periph); 4037 4038 if (databuf != NULL) 4039 free(databuf, M_DEVBUF); 4040 4041 return(error); 4042} 4043 4044static int 4045cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4046{ 4047 union ccb *ccb; 4048 u_int8_t *databuf; 4049 int length; 4050 int error; 4051 4052 error = 0; 4053 databuf = NULL; 4054 4055 switch(authinfo->format) { 4056 case DVD_SEND_CHALLENGE: { 4057 struct scsi_report_key_data_challenge *challenge_data; 4058 4059 length = sizeof(*challenge_data); 4060 4061 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4062 4063 databuf = (u_int8_t *)challenge_data; 4064 4065 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4066 challenge_data->data_len); 4067 4068 bcopy(authinfo->keychal, challenge_data->challenge_key, 4069 min(sizeof(authinfo->keychal), 4070 sizeof(challenge_data->challenge_key))); 4071 break; 4072 } 4073 case DVD_SEND_KEY2: { 4074 struct scsi_report_key_data_key1_key2 *key2_data; 4075 4076 length = sizeof(*key2_data); 4077 4078 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4079 4080 databuf = (u_int8_t *)key2_data; 4081 4082 scsi_ulto2b(length - sizeof(key2_data->data_len), 4083 key2_data->data_len); 4084 4085 bcopy(authinfo->keychal, key2_data->key1, 4086 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4087 4088 break; 4089 } 4090 case DVD_SEND_RPC: { 4091 struct scsi_send_key_data_rpc *rpc_data; 4092 4093 length = sizeof(*rpc_data); 4094 4095 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4096 4097 databuf = (u_int8_t *)rpc_data; 4098 4099 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4100 rpc_data->data_len); 4101 4102 rpc_data->region_code = authinfo->region; 4103 break; 4104 } 4105 default: 4106 return (EINVAL); 4107 } 4108 4109 cam_periph_lock(periph); 4110 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4111 4112 scsi_send_key(&ccb->csio, 4113 /* retries */ cd_retry_count, 4114 /* cbfcnp */ cddone, 4115 /* tag_action */ MSG_SIMPLE_Q_TAG, 4116 /* agid */ authinfo->agid, 4117 /* key_format */ authinfo->format, 4118 /* data_ptr */ databuf, 4119 /* dxfer_len */ length, 4120 /* sense_len */ SSD_FULL_SIZE, 4121 /* timeout */ 50000); 4122 4123 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4124 /*sense_flags*/SF_RETRY_UA); 4125 4126 xpt_release_ccb(ccb); 4127 cam_periph_unlock(periph); 4128 4129 if (databuf != NULL) 4130 free(databuf, M_DEVBUF); 4131 4132 return(error); 4133} 4134 4135static int 4136cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4137{ 4138 union ccb *ccb; 4139 u_int8_t *databuf; 4140 u_int32_t address; 4141 int error; 4142 int length; 4143 4144 error = 0; 4145 databuf = NULL; 4146 /* The address is reserved for many of the formats */ 4147 address = 0; 4148 4149 switch(dvdstruct->format) { 4150 case DVD_STRUCT_PHYSICAL: 4151 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4152 break; 4153 case DVD_STRUCT_COPYRIGHT: 4154 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4155 break; 4156 case DVD_STRUCT_DISCKEY: 4157 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4158 break; 4159 case DVD_STRUCT_BCA: 4160 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4161 break; 4162 case DVD_STRUCT_MANUFACT: 4163 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4164 break; 4165 case DVD_STRUCT_CMI: 4166 return (ENODEV); 4167 case DVD_STRUCT_PROTDISCID: 4168 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4169 break; 4170 case DVD_STRUCT_DISCKEYBLOCK: 4171 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4172 break; 4173 case DVD_STRUCT_DDS: 4174 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4175 break; 4176 case DVD_STRUCT_MEDIUM_STAT: 4177 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4178 break; 4179 case DVD_STRUCT_SPARE_AREA: 4180 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4181 break; 4182 case DVD_STRUCT_RMD_LAST: 4183 return (ENODEV); 4184 case DVD_STRUCT_RMD_RMA: 4185 return (ENODEV); 4186 case DVD_STRUCT_PRERECORDED: 4187 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4188 break; 4189 case DVD_STRUCT_UNIQUEID: 4190 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4191 break; 4192 case DVD_STRUCT_DCB: 4193 return (ENODEV); 4194 case DVD_STRUCT_LIST: 4195 /* 4196 * This is the maximum allocation length for the READ DVD 4197 * STRUCTURE command. There's nothing in the MMC3 spec 4198 * that indicates a limit in the amount of data that can 4199 * be returned from this call, other than the limits 4200 * imposed by the 2-byte length variables. 4201 */ 4202 length = 65535; 4203 break; 4204 default: 4205 return (EINVAL); 4206 } 4207 4208 if (length != 0) { 4209 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4210 } else 4211 databuf = NULL; 4212 4213 cam_periph_lock(periph); 4214 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 4215 4216 scsi_read_dvd_structure(&ccb->csio, 4217 /* retries */ cd_retry_count, 4218 /* cbfcnp */ cddone, 4219 /* tag_action */ MSG_SIMPLE_Q_TAG, 4220 /* lba */ address, 4221 /* layer_number */ dvdstruct->layer_num, 4222 /* key_format */ dvdstruct->format, 4223 /* agid */ dvdstruct->agid, 4224 /* data_ptr */ databuf, 4225 /* dxfer_len */ length, 4226 /* sense_len */ SSD_FULL_SIZE, 4227 /* timeout */ 50000); 4228 4229 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4230 /*sense_flags*/SF_RETRY_UA); 4231 4232 if (error != 0) 4233 goto bailout; 4234 4235 switch(dvdstruct->format) { 4236 case DVD_STRUCT_PHYSICAL: { 4237 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4238 struct dvd_layer *outlayer; 4239 struct scsi_read_dvd_struct_data_physical *phys_data; 4240 4241 phys_data = 4242 (struct scsi_read_dvd_struct_data_physical *)databuf; 4243 inlayer = &phys_data->layer_desc; 4244 outlayer = (struct dvd_layer *)&dvdstruct->data; 4245 4246 dvdstruct->length = sizeof(*inlayer); 4247 4248 outlayer->book_type = (inlayer->book_type_version & 4249 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4250 outlayer->book_version = (inlayer->book_type_version & 4251 RDSD_BOOK_VERSION_MASK); 4252 outlayer->disc_size = (inlayer->disc_size_max_rate & 4253 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4254 outlayer->max_rate = (inlayer->disc_size_max_rate & 4255 RDSD_MAX_RATE_MASK); 4256 outlayer->nlayers = (inlayer->layer_info & 4257 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4258 outlayer->track_path = (inlayer->layer_info & 4259 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4260 outlayer->layer_type = (inlayer->layer_info & 4261 RDSD_LAYER_TYPE_MASK); 4262 outlayer->linear_density = (inlayer->density & 4263 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4264 outlayer->track_density = (inlayer->density & 4265 RDSD_TRACK_DENSITY_MASK); 4266 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4267 RDSD_BCA_SHIFT; 4268 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4269 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4270 outlayer->end_sector_l0 = 4271 scsi_3btoul(inlayer->end_sector_layer0); 4272 break; 4273 } 4274 case DVD_STRUCT_COPYRIGHT: { 4275 struct scsi_read_dvd_struct_data_copyright *copy_data; 4276 4277 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4278 databuf; 4279 4280 dvdstruct->cpst = copy_data->cps_type; 4281 dvdstruct->rmi = copy_data->region_info; 4282 dvdstruct->length = 0; 4283 4284 break; 4285 } 4286 default: 4287 /* 4288 * Tell the user what the overall length is, no matter 4289 * what we can actually fit in the data buffer. 4290 */ 4291 dvdstruct->length = length - ccb->csio.resid - 4292 sizeof(struct scsi_read_dvd_struct_data_header); 4293 4294 /* 4295 * But only actually copy out the smaller of what we read 4296 * in or what the structure can take. 4297 */ 4298 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4299 dvdstruct->data, 4300 min(sizeof(dvdstruct->data), dvdstruct->length)); 4301 break; 4302 } 4303 4304bailout: 4305 xpt_release_ccb(ccb); 4306 cam_periph_unlock(periph); 4307 4308 if (databuf != NULL) 4309 free(databuf, M_DEVBUF); 4310 4311 return(error); 4312} 4313 4314void 4315scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4316 void (*cbfcnp)(struct cam_periph *, union ccb *), 4317 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4318 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4319 u_int8_t sense_len, u_int32_t timeout) 4320{ 4321 struct scsi_report_key *scsi_cmd; 4322 4323 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4324 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4325 scsi_cmd->opcode = REPORT_KEY; 4326 scsi_ulto4b(lba, scsi_cmd->lba); 4327 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4328 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4329 (key_format & RK_KF_KEYFORMAT_MASK); 4330 4331 cam_fill_csio(csio, 4332 retries, 4333 cbfcnp, 4334 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4335 tag_action, 4336 /*data_ptr*/ data_ptr, 4337 /*dxfer_len*/ dxfer_len, 4338 sense_len, 4339 sizeof(*scsi_cmd), 4340 timeout); 4341} 4342 4343void 4344scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4345 void (*cbfcnp)(struct cam_periph *, union ccb *), 4346 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4347 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4348 u_int32_t timeout) 4349{ 4350 struct scsi_send_key *scsi_cmd; 4351 4352 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4353 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4354 scsi_cmd->opcode = SEND_KEY; 4355 4356 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4357 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4358 (key_format & RK_KF_KEYFORMAT_MASK); 4359 4360 cam_fill_csio(csio, 4361 retries, 4362 cbfcnp, 4363 /*flags*/ CAM_DIR_OUT, 4364 tag_action, 4365 /*data_ptr*/ data_ptr, 4366 /*dxfer_len*/ dxfer_len, 4367 sense_len, 4368 sizeof(*scsi_cmd), 4369 timeout); 4370} 4371 4372 4373void 4374scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4375 void (*cbfcnp)(struct cam_periph *, union ccb *), 4376 u_int8_t tag_action, u_int32_t address, 4377 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4378 u_int8_t *data_ptr, u_int32_t dxfer_len, 4379 u_int8_t sense_len, u_int32_t timeout) 4380{ 4381 struct scsi_read_dvd_structure *scsi_cmd; 4382 4383 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4384 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4385 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4386 4387 scsi_ulto4b(address, scsi_cmd->address); 4388 scsi_cmd->layer_number = layer_number; 4389 scsi_cmd->format = format; 4390 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4391 /* The AGID is the top two bits of this byte */ 4392 scsi_cmd->agid = agid << 6; 4393 4394 cam_fill_csio(csio, 4395 retries, 4396 cbfcnp, 4397 /*flags*/ CAM_DIR_IN, 4398 tag_action, 4399 /*data_ptr*/ data_ptr, 4400 /*dxfer_len*/ dxfer_len, 4401 sense_len, 4402 sizeof(*scsi_cmd), 4403 timeout); 4404} 4405