scsi_cd.c revision 188503
1/*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48#include <sys/cdefs.h> 49__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_cd.c 188503 2009-02-11 22:29:09Z jhb $"); 50 51#include "opt_cd.h" 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> 56#include <sys/bio.h> 57#include <sys/conf.h> 58#include <sys/disk.h> 59#include <sys/malloc.h> 60#include <sys/cdio.h> 61#include <sys/cdrio.h> 62#include <sys/dvdio.h> 63#include <sys/devicestat.h> 64#include <sys/sysctl.h> 65#include <sys/taskqueue.h> 66#include <geom/geom_disk.h> 67 68#include <cam/cam.h> 69#include <cam/cam_ccb.h> 70#include <cam/cam_periph.h> 71#include <cam/cam_xpt_periph.h> 72#include <cam/cam_queue.h> 73#include <cam/cam_sim.h> 74 75#include <cam/scsi/scsi_message.h> 76#include <cam/scsi/scsi_da.h> 77#include <cam/scsi/scsi_cd.h> 78 79#define LEADOUT 0xaa /* leadout toc entry */ 80 81struct cd_params { 82 u_int32_t blksize; 83 u_long disksize; 84}; 85 86typedef enum { 87 CD_Q_NONE = 0x00, 88 CD_Q_NO_TOUCH = 0x01, 89 CD_Q_BCD_TRACKS = 0x02, 90 CD_Q_NO_CHANGER = 0x04, 91 CD_Q_CHANGER = 0x08, 92 CD_Q_10_BYTE_ONLY = 0x10 93} cd_quirks; 94 95typedef enum { 96 CD_FLAG_INVALID = 0x0001, 97 CD_FLAG_NEW_DISC = 0x0002, 98 CD_FLAG_DISC_LOCKED = 0x0004, 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_TAGGED_QUEUING = 0x0010, 101 CD_FLAG_CHANGER = 0x0040, 102 CD_FLAG_ACTIVE = 0x0080, 103 CD_FLAG_SCHED_ON_COMP = 0x0100, 104 CD_FLAG_RETRY_UA = 0x0200, 105 CD_FLAG_VALID_MEDIA = 0x0400, 106 CD_FLAG_VALID_TOC = 0x0800, 107 CD_FLAG_SCTX_INIT = 0x1000, 108 CD_FLAG_OPEN = 0x2000 109} cd_flags; 110 111typedef enum { 112 CD_CCB_PROBE = 0x01, 113 CD_CCB_BUFFER_IO = 0x02, 114 CD_CCB_WAITING = 0x03, 115 CD_CCB_TYPE_MASK = 0x0F, 116 CD_CCB_RETRY_UA = 0x10 117} cd_ccb_state; 118 119typedef enum { 120 CHANGER_TIMEOUT_SCHED = 0x01, 121 CHANGER_SHORT_TMOUT_SCHED = 0x02, 122 CHANGER_MANUAL_CALL = 0x04, 123 CHANGER_NEED_TIMEOUT = 0x08 124} cd_changer_flags; 125 126#define ccb_state ppriv_field0 127#define ccb_bp ppriv_ptr1 128 129struct cd_tocdata { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entries[100]; 132}; 133 134struct cd_toc_single { 135 struct ioc_toc_header header; 136 struct cd_toc_entry entry; 137}; 138 139typedef enum { 140 CD_STATE_PROBE, 141 CD_STATE_NORMAL 142} cd_state; 143 144struct cd_softc { 145 cam_pinfo pinfo; 146 cd_state state; 147 volatile cd_flags flags; 148 struct bio_queue_head bio_queue; 149 LIST_HEAD(, ccb_hdr) pending_ccbs; 150 struct cd_params params; 151 union ccb saved_ccb; 152 cd_quirks quirks; 153 STAILQ_ENTRY(cd_softc) changer_links; 154 struct cdchanger *changer; 155 int bufs_left; 156 struct cam_periph *periph; 157 int minimum_command_size; 158 int outstanding_cmds; 159 struct task sysctl_task; 160 struct sysctl_ctx_list sysctl_ctx; 161 struct sysctl_oid *sysctl_tree; 162 STAILQ_HEAD(, cd_mode_params) mode_queue; 163 struct cd_tocdata toc; 164 struct disk *disk; 165}; 166 167struct cd_page_sizes { 168 int page; 169 int page_size; 170}; 171 172static struct cd_page_sizes cd_page_size_table[] = 173{ 174 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 175}; 176 177struct cd_quirk_entry { 178 struct scsi_inquiry_pattern inq_pat; 179 cd_quirks quirks; 180}; 181 182/* 183 * The changer quirk entries aren't strictly necessary. Basically, what 184 * they do is tell cdregister() up front that a device is a changer. 185 * Otherwise, it will figure that fact out once it sees a LUN on the device 186 * that is greater than 0. If it is known up front that a device is a changer, 187 * all I/O to the device will go through the changer scheduling routines, as 188 * opposed to the "normal" CD code. 189 * 190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 191 * your device hangs when it gets a 10 byte command. Adding a quirk just 192 * to get rid of the informative diagnostic message is not acceptable. All 193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 194 * referenced in a comment along with the quirk) , and must be approved by 195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 196 * be removed until the submitter can explain why they are needed. 197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 198 * when the CAM_NEW_TRAN_CODE work is done. 199 */ 200static struct cd_quirk_entry cd_quirk_table[] = 201{ 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 204 /*quirks*/ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 208 "*"}, /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 212 /* quirks */ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 216 /* quirks */ CD_Q_BCD_TRACKS 217 } 218}; 219 220static disk_open_t cdopen; 221static disk_close_t cdclose; 222static disk_ioctl_t cdioctl; 223static disk_strategy_t cdstrategy; 224 225static periph_init_t cdinit; 226static periph_ctor_t cdregister; 227static periph_dtor_t cdcleanup; 228static periph_start_t cdstart; 229static periph_oninv_t cdoninvalidate; 230static void cdasync(void *callback_arg, u_int32_t code, 231 struct cam_path *path, void *arg); 232static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 233static void cdshorttimeout(void *arg); 234static void cdschedule(struct cam_periph *periph, int priority); 235static void cdrunchangerqueue(void *arg); 236static void cdchangerschedule(struct cd_softc *softc); 237static int cdrunccb(union ccb *ccb, 238 int (*error_routine)(union ccb *ccb, 239 u_int32_t cam_flags, 240 u_int32_t sense_flags), 241 u_int32_t cam_flags, u_int32_t sense_flags); 242static union ccb *cdgetccb(struct cam_periph *periph, 243 u_int32_t priority); 244static void cddone(struct cam_periph *periph, 245 union ccb *start_ccb); 246static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 247static int cdgetpagesize(int page_num); 248static void cdprevent(struct cam_periph *periph, int action); 249static int cdcheckmedia(struct cam_periph *periph); 250static int cdsize(struct cam_periph *periph, u_int32_t *size); 251static int cd6byteworkaround(union ccb *ccb); 252static int cderror(union ccb *ccb, u_int32_t cam_flags, 253 u_int32_t sense_flags); 254static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 255 u_int32_t start, u_int8_t *data, 256 u_int32_t len, u_int32_t sense_flags); 257static int cdgetmode(struct cam_periph *periph, 258 struct cd_mode_params *data, u_int32_t page); 259static int cdsetmode(struct cam_periph *periph, 260 struct cd_mode_params *data); 261static int cdplay(struct cam_periph *periph, u_int32_t blk, 262 u_int32_t len); 263static int cdreadsubchannel(struct cam_periph *periph, 264 u_int32_t mode, u_int32_t format, 265 int track, 266 struct cd_sub_channel_info *data, 267 u_int32_t len); 268static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 269 u_int32_t starts, u_int32_t startf, 270 u_int32_t endm, u_int32_t ends, 271 u_int32_t endf); 272static int cdplaytracks(struct cam_periph *periph, 273 u_int32_t strack, u_int32_t sindex, 274 u_int32_t etrack, u_int32_t eindex); 275static int cdpause(struct cam_periph *periph, u_int32_t go); 276static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 277static int cdstartunit(struct cam_periph *periph, int load); 278static int cdsetspeed(struct cam_periph *periph, 279 u_int32_t rdspeed, u_int32_t wrspeed); 280static int cdreportkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282static int cdsendkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284static int cdreaddvdstructure(struct cam_periph *periph, 285 struct dvd_struct *dvdstruct); 286 287static struct periph_driver cddriver = 288{ 289 cdinit, "cd", 290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 291}; 292 293PERIPHDRIVER_DECLARE(cd, cddriver); 294 295#ifndef CD_DEFAULT_RETRY 296#define CD_DEFAULT_RETRY 4 297#endif 298#ifndef CHANGER_MIN_BUSY_SECONDS 299#define CHANGER_MIN_BUSY_SECONDS 5 300#endif 301#ifndef CHANGER_MAX_BUSY_SECONDS 302#define CHANGER_MAX_BUSY_SECONDS 15 303#endif 304 305static int cd_retry_count = CD_DEFAULT_RETRY; 306static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 307static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 308 309SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 310SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 311SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 312 &cd_retry_count, 0, "Normal I/O retry count"); 313TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 314SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 315 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 316TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 317SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 318 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 319TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 320 321struct cdchanger { 322 path_id_t path_id; 323 target_id_t target_id; 324 int num_devices; 325 struct camq devq; 326 struct timeval start_time; 327 struct cd_softc *cur_device; 328 struct callout short_handle; 329 struct callout long_handle; 330 volatile cd_changer_flags flags; 331 STAILQ_ENTRY(cdchanger) changer_links; 332 STAILQ_HEAD(chdevlist, cd_softc) chluns; 333}; 334 335static struct mtx changerq_mtx; 336static STAILQ_HEAD(changerlist, cdchanger) changerq; 337static int num_changers; 338 339MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 340 341static void 342cdinit(void) 343{ 344 cam_status status; 345 346 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 347 STAILQ_INIT(&changerq); 348 349 /* 350 * Install a global async callback. This callback will 351 * receive async callbacks like "new device found". 352 */ 353 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 354 355 if (status != CAM_REQ_CMP) { 356 printf("cd: Failed to attach master async callback " 357 "due to status 0x%x!\n", status); 358 } 359} 360 361static void 362cdoninvalidate(struct cam_periph *periph) 363{ 364 struct cd_softc *softc; 365 366 softc = (struct cd_softc *)periph->softc; 367 368 /* 369 * De-register any async callbacks. 370 */ 371 xpt_register_async(0, cdasync, periph, periph->path); 372 373 softc->flags |= CD_FLAG_INVALID; 374 375 /* 376 * Return all queued I/O with ENXIO. 377 * XXX Handle any transactions queued to the card 378 * with XPT_ABORT_CCB. 379 */ 380 bioq_flush(&softc->bio_queue, NULL, ENXIO); 381 382 /* 383 * If this device is part of a changer, and it was scheduled 384 * to run, remove it from the run queue since we just nuked 385 * all of its scheduled I/O. 386 */ 387 if ((softc->flags & CD_FLAG_CHANGER) 388 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 389 camq_remove(&softc->changer->devq, softc->pinfo.index); 390 391 disk_gone(softc->disk); 392 xpt_print(periph->path, "lost device\n"); 393} 394 395static void 396cdcleanup(struct cam_periph *periph) 397{ 398 struct cd_softc *softc; 399 400 softc = (struct cd_softc *)periph->softc; 401 402 xpt_print(periph->path, "removing device entry\n"); 403 404 /* 405 * In the queued, non-active case, the device in question 406 * has already been removed from the changer run queue. Since this 407 * device is active, we need to de-activate it, and schedule 408 * another device to run. (if there is another one to run) 409 */ 410 if ((softc->flags & CD_FLAG_CHANGER) 411 && (softc->flags & CD_FLAG_ACTIVE)) { 412 413 /* 414 * The purpose of the short timeout is soley to determine 415 * whether the current device has finished or not. Well, 416 * since we're removing the active device, we know that it 417 * is finished. So, get rid of the short timeout. 418 * Otherwise, if we're in the time period before the short 419 * timeout fires, and there are no other devices in the 420 * queue to run, there won't be any other device put in the 421 * active slot. i.e., when we call cdrunchangerqueue() 422 * below, it won't do anything. Then, when the short 423 * timeout fires, it'll look at the "current device", which 424 * we are free below, and possibly panic the kernel on a 425 * bogus pointer reference. 426 * 427 * The long timeout doesn't really matter, since we 428 * decrement the qfrozen_cnt to indicate that there is 429 * nothing in the active slot now. Therefore, there won't 430 * be any bogus pointer references there. 431 */ 432 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 433 callout_stop(&softc->changer->short_handle); 434 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 435 } 436 softc->changer->devq.qfrozen_cnt--; 437 softc->changer->flags |= CHANGER_MANUAL_CALL; 438 cdrunchangerqueue(softc->changer); 439 } 440 441 /* 442 * If we're removing the last device on the changer, go ahead and 443 * remove the changer device structure. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (--softc->changer->num_devices == 0)) { 447 448 /* 449 * Theoretically, there shouldn't be any timeouts left, but 450 * I'm not completely sure that that will be the case. So, 451 * it won't hurt to check and see if there are any left. 452 */ 453 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 454 callout_stop(&softc->changer->long_handle); 455 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 456 } 457 458 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 459 callout_stop(&softc->changer->short_handle); 460 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 461 } 462 463 mtx_lock(&changerq_mtx); 464 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 465 changer_links); 466 num_changers--; 467 mtx_unlock(&changerq_mtx); 468 xpt_print(periph->path, "removing changer entry\n"); 469 free(softc->changer, M_DEVBUF); 470 } 471 cam_periph_unlock(periph); 472 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 473 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 474 xpt_print(periph->path, "can't remove sysctl context\n"); 475 } 476 477 disk_destroy(softc->disk); 478 free(softc, M_DEVBUF); 479 cam_periph_lock(periph); 480} 481 482static void 483cdasync(void *callback_arg, u_int32_t code, 484 struct cam_path *path, void *arg) 485{ 486 struct cam_periph *periph; 487 488 periph = (struct cam_periph *)callback_arg; 489 switch (code) { 490 case AC_FOUND_DEVICE: 491 { 492 struct ccb_getdev *cgd; 493 cam_status status; 494 495 cgd = (struct ccb_getdev *)arg; 496 if (cgd == NULL) 497 break; 498 499 if (SID_TYPE(&cgd->inq_data) != T_CDROM 500 && SID_TYPE(&cgd->inq_data) != T_WORM) 501 break; 502 503 /* 504 * Allocate a peripheral instance for 505 * this device and start the probe 506 * process. 507 */ 508 status = cam_periph_alloc(cdregister, cdoninvalidate, 509 cdcleanup, cdstart, 510 "cd", CAM_PERIPH_BIO, 511 cgd->ccb_h.path, cdasync, 512 AC_FOUND_DEVICE, cgd); 513 514 if (status != CAM_REQ_CMP 515 && status != CAM_REQ_INPROG) 516 printf("cdasync: Unable to attach new device " 517 "due to status 0x%x\n", status); 518 519 break; 520 } 521 case AC_SENT_BDR: 522 case AC_BUS_RESET: 523 { 524 struct cd_softc *softc; 525 struct ccb_hdr *ccbh; 526 527 softc = (struct cd_softc *)periph->softc; 528 /* 529 * Don't fail on the expected unit attention 530 * that will occur. 531 */ 532 softc->flags |= CD_FLAG_RETRY_UA; 533 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 534 ccbh->ccb_state |= CD_CCB_RETRY_UA; 535 /* FALLTHROUGH */ 536 } 537 default: 538 cam_periph_async(periph, code, path, arg); 539 break; 540 } 541} 542 543static void 544cdsysctlinit(void *context, int pending) 545{ 546 struct cam_periph *periph; 547 struct cd_softc *softc; 548 char tmpstr[80], tmpstr2[80]; 549 550 periph = (struct cam_periph *)context; 551 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 552 return; 553 554 softc = (struct cd_softc *)periph->softc; 555 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 556 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 557 558 sysctl_ctx_init(&softc->sysctl_ctx); 559 softc->flags |= CD_FLAG_SCTX_INIT; 560 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 561 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 562 tmpstr2, CTLFLAG_RD, 0, tmpstr); 563 564 if (softc->sysctl_tree == NULL) { 565 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 566 cam_periph_release(periph); 567 return; 568 } 569 570 /* 571 * Now register the sysctl handler, so the user can the value on 572 * the fly. 573 */ 574 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 575 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 576 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 577 "Minimum CDB size"); 578 579 cam_periph_release(periph); 580} 581 582/* 583 * We have a handler function for this so we can check the values when the 584 * user sets them, instead of every time we look at them. 585 */ 586static int 587cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 588{ 589 int error, value; 590 591 value = *(int *)arg1; 592 593 error = sysctl_handle_int(oidp, &value, 0, req); 594 595 if ((error != 0) 596 || (req->newptr == NULL)) 597 return (error); 598 599 /* 600 * The only real values we can have here are 6 or 10. I don't 601 * really forsee having 12 be an option at any time in the future. 602 * So if the user sets something less than or equal to 6, we'll set 603 * it to 6. If he sets something greater than 6, we'll set it to 10. 604 * 605 * I suppose we could just return an error here for the wrong values, 606 * but I don't think it's necessary to do so, as long as we can 607 * determine the user's intent without too much trouble. 608 */ 609 if (value < 6) 610 value = 6; 611 else if (value > 6) 612 value = 10; 613 614 *(int *)arg1 = value; 615 616 return (0); 617} 618 619static cam_status 620cdregister(struct cam_periph *periph, void *arg) 621{ 622 struct cd_softc *softc; 623 struct ccb_pathinq cpi; 624 struct ccb_getdev *cgd; 625 char tmpstr[80]; 626 caddr_t match; 627 628 cgd = (struct ccb_getdev *)arg; 629 if (periph == NULL) { 630 printf("cdregister: periph was NULL!!\n"); 631 return(CAM_REQ_CMP_ERR); 632 } 633 if (cgd == NULL) { 634 printf("cdregister: no getdev CCB, can't register device\n"); 635 return(CAM_REQ_CMP_ERR); 636 } 637 638 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 639 640 if (softc == NULL) { 641 printf("cdregister: Unable to probe new device. " 642 "Unable to allocate softc\n"); 643 return(CAM_REQ_CMP_ERR); 644 } 645 646 bzero(softc, sizeof(*softc)); 647 LIST_INIT(&softc->pending_ccbs); 648 STAILQ_INIT(&softc->mode_queue); 649 softc->state = CD_STATE_PROBE; 650 bioq_init(&softc->bio_queue); 651 if (SID_IS_REMOVABLE(&cgd->inq_data)) 652 softc->flags |= CD_FLAG_DISC_REMOVABLE; 653 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 654 softc->flags |= CD_FLAG_TAGGED_QUEUING; 655 656 periph->softc = softc; 657 softc->periph = periph; 658 659 /* 660 * See if this device has any quirks. 661 */ 662 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 663 (caddr_t)cd_quirk_table, 664 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 665 sizeof(*cd_quirk_table), scsi_inquiry_match); 666 667 if (match != NULL) 668 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 669 else 670 softc->quirks = CD_Q_NONE; 671 672 /* Check if the SIM does not want 6 byte commands */ 673 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 674 cpi.ccb_h.func_code = XPT_PATH_INQ; 675 xpt_action((union ccb *)&cpi); 676 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 677 softc->quirks |= CD_Q_10_BYTE_ONLY; 678 679 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 680 681 /* The default is 6 byte commands, unless quirked otherwise */ 682 if (softc->quirks & CD_Q_10_BYTE_ONLY) 683 softc->minimum_command_size = 10; 684 else 685 softc->minimum_command_size = 6; 686 687 /* 688 * Load the user's default, if any. 689 */ 690 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 691 periph->unit_number); 692 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 693 694 /* 6 and 10 are the only permissible values here. */ 695 if (softc->minimum_command_size < 6) 696 softc->minimum_command_size = 6; 697 else if (softc->minimum_command_size > 6) 698 softc->minimum_command_size = 10; 699 700 /* 701 * We need to register the statistics structure for this device, 702 * but we don't have the blocksize yet for it. So, we register 703 * the structure and indicate that we don't have the blocksize 704 * yet. Unlike other SCSI peripheral drivers, we explicitly set 705 * the device type here to be CDROM, rather than just ORing in 706 * the device type. This is because this driver can attach to either 707 * CDROM or WORM devices, and we want this peripheral driver to 708 * show up in the devstat list as a CD peripheral driver, not a 709 * WORM peripheral driver. WORM drives will also have the WORM 710 * driver attached to them. 711 */ 712 cam_periph_unlock(periph); 713 softc->disk = disk_alloc(); 714 softc->disk->d_devstat = devstat_new_entry("cd", 715 periph->unit_number, 0, 716 DEVSTAT_BS_UNAVAILABLE, 717 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 718 DEVSTAT_PRIORITY_CD); 719 softc->disk->d_open = cdopen; 720 softc->disk->d_close = cdclose; 721 softc->disk->d_strategy = cdstrategy; 722 softc->disk->d_ioctl = cdioctl; 723 softc->disk->d_name = "cd"; 724 softc->disk->d_unit = periph->unit_number; 725 softc->disk->d_drv1 = periph; 726 softc->disk->d_flags = 0; 727 disk_create(softc->disk, DISK_VERSION); 728 cam_periph_lock(periph); 729 730 /* 731 * Add an async callback so that we get 732 * notified if this device goes away. 733 */ 734 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 735 cdasync, periph, periph->path); 736 737 /* 738 * If the target lun is greater than 0, we most likely have a CD 739 * changer device. Check the quirk entries as well, though, just 740 * in case someone has a CD tower with one lun per drive or 741 * something like that. Also, if we know up front that a 742 * particular device is a changer, we can mark it as such starting 743 * with lun 0, instead of lun 1. It shouldn't be necessary to have 744 * a quirk entry to define something as a changer, however. 745 */ 746 if (((cgd->ccb_h.target_lun > 0) 747 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 748 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 749 struct cdchanger *nchanger; 750 struct cam_periph *nperiph; 751 struct cam_path *path; 752 cam_status status; 753 int found; 754 755 /* Set the changer flag in the current device's softc */ 756 softc->flags |= CD_FLAG_CHANGER; 757 758 /* 759 * Now, look around for an existing changer device with the 760 * same path and target ID as the current device. 761 */ 762 mtx_lock(&changerq_mtx); 763 for (found = 0, 764 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 765 nchanger != NULL; 766 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 767 if ((nchanger->path_id == cgd->ccb_h.path_id) 768 && (nchanger->target_id == cgd->ccb_h.target_id)) { 769 found = 1; 770 break; 771 } 772 } 773 mtx_unlock(&changerq_mtx); 774 775 /* 776 * If we found a matching entry, just add this device to 777 * the list of devices on this changer. 778 */ 779 if (found == 1) { 780 struct chdevlist *chlunhead; 781 782 chlunhead = &nchanger->chluns; 783 784 /* 785 * XXX KDM look at consolidating this code with the 786 * code below in a separate function. 787 */ 788 789 /* 790 * Create a path with lun id 0, and see if we can 791 * find a matching device 792 */ 793 status = xpt_create_path(&path, /*periph*/ periph, 794 cgd->ccb_h.path_id, 795 cgd->ccb_h.target_id, 0); 796 797 if ((status == CAM_REQ_CMP) 798 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 799 struct cd_softc *nsoftc; 800 801 nsoftc = (struct cd_softc *)nperiph->softc; 802 803 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 804 nsoftc->flags |= CD_FLAG_CHANGER; 805 nchanger->num_devices++; 806 if (camq_resize(&nchanger->devq, 807 nchanger->num_devices)!=CAM_REQ_CMP){ 808 printf("cdregister: " 809 "camq_resize " 810 "failed, changer " 811 "support may " 812 "be messed up\n"); 813 } 814 nsoftc->changer = nchanger; 815 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 816 817 STAILQ_INSERT_TAIL(&nchanger->chluns, 818 nsoftc,changer_links); 819 } 820 xpt_free_path(path); 821 } else if (status == CAM_REQ_CMP) 822 xpt_free_path(path); 823 else { 824 printf("cdregister: unable to allocate path\n" 825 "cdregister: changer support may be " 826 "broken\n"); 827 } 828 829 nchanger->num_devices++; 830 831 softc->changer = nchanger; 832 softc->pinfo.index = CAM_UNQUEUED_INDEX; 833 834 if (camq_resize(&nchanger->devq, 835 nchanger->num_devices) != CAM_REQ_CMP) { 836 printf("cdregister: camq_resize " 837 "failed, changer support may " 838 "be messed up\n"); 839 } 840 841 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 842 } 843 /* 844 * In this case, we don't already have an entry for this 845 * particular changer, so we need to create one, add it to 846 * the queue, and queue this device on the list for this 847 * changer. Before we queue this device, however, we need 848 * to search for lun id 0 on this target, and add it to the 849 * queue first, if it exists. (and if it hasn't already 850 * been marked as part of the changer.) 851 */ 852 else { 853 nchanger = malloc(sizeof(struct cdchanger), 854 M_DEVBUF, M_NOWAIT); 855 856 if (nchanger == NULL) { 857 softc->flags &= ~CD_FLAG_CHANGER; 858 printf("cdregister: unable to malloc " 859 "changer structure\ncdregister: " 860 "changer support disabled\n"); 861 862 /* 863 * Yes, gotos can be gross but in this case 864 * I think it's justified.. 865 */ 866 goto cdregisterexit; 867 } 868 869 /* zero the structure */ 870 bzero(nchanger, sizeof(struct cdchanger)); 871 872 if (camq_init(&nchanger->devq, 1) != 0) { 873 softc->flags &= ~CD_FLAG_CHANGER; 874 printf("cdregister: changer support " 875 "disabled\n"); 876 goto cdregisterexit; 877 } 878 879 nchanger->path_id = cgd->ccb_h.path_id; 880 nchanger->target_id = cgd->ccb_h.target_id; 881 882 /* this is superfluous, but it makes things clearer */ 883 nchanger->num_devices = 0; 884 885 STAILQ_INIT(&nchanger->chluns); 886 887 callout_init_mtx(&nchanger->long_handle, 888 periph->sim->mtx, 0); 889 callout_init_mtx(&nchanger->short_handle, 890 periph->sim->mtx, 0); 891 892 mtx_lock(&changerq_mtx); 893 num_changers++; 894 STAILQ_INSERT_TAIL(&changerq, nchanger, 895 changer_links); 896 mtx_unlock(&changerq_mtx); 897 898 /* 899 * Create a path with lun id 0, and see if we can 900 * find a matching device 901 */ 902 status = xpt_create_path(&path, /*periph*/ periph, 903 cgd->ccb_h.path_id, 904 cgd->ccb_h.target_id, 0); 905 906 /* 907 * If we were able to allocate the path, and if we 908 * find a matching device and it isn't already 909 * marked as part of a changer, then we add it to 910 * the current changer. 911 */ 912 if ((status == CAM_REQ_CMP) 913 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 914 && ((((struct cd_softc *)periph->softc)->flags & 915 CD_FLAG_CHANGER) == 0)) { 916 struct cd_softc *nsoftc; 917 918 nsoftc = (struct cd_softc *)nperiph->softc; 919 920 nsoftc->flags |= CD_FLAG_CHANGER; 921 nchanger->num_devices++; 922 if (camq_resize(&nchanger->devq, 923 nchanger->num_devices) != CAM_REQ_CMP) { 924 printf("cdregister: camq_resize " 925 "failed, changer support may " 926 "be messed up\n"); 927 } 928 nsoftc->changer = nchanger; 929 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 930 931 STAILQ_INSERT_TAIL(&nchanger->chluns, 932 nsoftc, changer_links); 933 xpt_free_path(path); 934 } else if (status == CAM_REQ_CMP) 935 xpt_free_path(path); 936 else { 937 printf("cdregister: unable to allocate path\n" 938 "cdregister: changer support may be " 939 "broken\n"); 940 } 941 942 softc->changer = nchanger; 943 softc->pinfo.index = CAM_UNQUEUED_INDEX; 944 nchanger->num_devices++; 945 if (camq_resize(&nchanger->devq, 946 nchanger->num_devices) != CAM_REQ_CMP) { 947 printf("cdregister: camq_resize " 948 "failed, changer support may " 949 "be messed up\n"); 950 } 951 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 952 changer_links); 953 } 954 } 955 956cdregisterexit: 957 958 /* 959 * Refcount and block open attempts until we are setup 960 * Can't block 961 */ 962 (void)cam_periph_hold(periph, PRIBIO); 963 964 if ((softc->flags & CD_FLAG_CHANGER) == 0) 965 xpt_schedule(periph, /*priority*/5); 966 else 967 cdschedule(periph, /*priority*/ 5); 968 969 return(CAM_REQ_CMP); 970} 971 972static int 973cdopen(struct disk *dp) 974{ 975 struct cam_periph *periph; 976 struct cd_softc *softc; 977 int error; 978 979 periph = (struct cam_periph *)dp->d_drv1; 980 if (periph == NULL) 981 return (ENXIO); 982 983 softc = (struct cd_softc *)periph->softc; 984 985 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 986 return(ENXIO); 987 988 cam_periph_lock(periph); 989 990 if (softc->flags & CD_FLAG_INVALID) { 991 cam_periph_unlock(periph); 992 cam_periph_release(periph); 993 return(ENXIO); 994 } 995 996 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 997 cam_periph_unlock(periph); 998 cam_periph_release(periph); 999 return (error); 1000 } 1001 1002 /* 1003 * Check for media, and set the appropriate flags. We don't bail 1004 * if we don't have media, but then we don't allow anything but the 1005 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1006 */ 1007 cdcheckmedia(periph); 1008 1009 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1010 cam_periph_unhold(periph); 1011 1012 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1013 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1014 softc->flags |= CD_FLAG_OPEN; 1015 cam_periph_unlock(periph); 1016 } else { 1017 cam_periph_unlock(periph); 1018 cam_periph_release(periph); 1019 } 1020 1021 return (0); 1022} 1023 1024static int 1025cdclose(struct disk *dp) 1026{ 1027 struct cam_periph *periph; 1028 struct cd_softc *softc; 1029 1030 periph = (struct cam_periph *)dp->d_drv1; 1031 if (periph == NULL) 1032 return (ENXIO); 1033 1034 softc = (struct cd_softc *)periph->softc; 1035 1036 cam_periph_lock(periph); 1037 cam_periph_hold(periph, PRIBIO); 1038 1039 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1040 cdprevent(periph, PR_ALLOW); 1041 1042 /* 1043 * Since we're closing this CD, mark the blocksize as unavailable. 1044 * It will be marked as available when the CD is opened again. 1045 */ 1046 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1047 1048 /* 1049 * We'll check the media and toc again at the next open(). 1050 */ 1051 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1052 1053 cam_periph_unhold(periph); 1054 cam_periph_unlock(periph); 1055 cam_periph_release(periph); 1056 1057 return (0); 1058} 1059 1060static void 1061cdshorttimeout(void *arg) 1062{ 1063 struct cdchanger *changer; 1064 1065 changer = (struct cdchanger *)arg; 1066 1067 /* Always clear the short timeout flag, since that's what we're in */ 1068 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1069 1070 /* 1071 * Check to see if there is any more pending or outstanding I/O for 1072 * this device. If not, move it out of the active slot. 1073 */ 1074 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1075 && (changer->cur_device->outstanding_cmds == 0)) { 1076 changer->flags |= CHANGER_MANUAL_CALL; 1077 cdrunchangerqueue(changer); 1078 } 1079} 1080 1081/* 1082 * This is a wrapper for xpt_schedule. It only applies to changers. 1083 */ 1084static void 1085cdschedule(struct cam_periph *periph, int priority) 1086{ 1087 struct cd_softc *softc; 1088 1089 softc = (struct cd_softc *)periph->softc; 1090 1091 /* 1092 * If this device isn't currently queued, and if it isn't 1093 * the active device, then we queue this device and run the 1094 * changer queue if there is no timeout scheduled to do it. 1095 * If this device is the active device, just schedule it 1096 * to run again. If this device is queued, there should be 1097 * a timeout in place already that will make sure it runs. 1098 */ 1099 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1100 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1101 /* 1102 * We don't do anything with the priority here. 1103 * This is strictly a fifo queue. 1104 */ 1105 softc->pinfo.priority = 1; 1106 softc->pinfo.generation = ++softc->changer->devq.generation; 1107 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1108 1109 /* 1110 * Since we just put a device in the changer queue, 1111 * check and see if there is a timeout scheduled for 1112 * this changer. If so, let the timeout handle 1113 * switching this device into the active slot. If 1114 * not, manually call the timeout routine to 1115 * bootstrap things. 1116 */ 1117 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1118 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1119 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1120 softc->changer->flags |= CHANGER_MANUAL_CALL; 1121 cdrunchangerqueue(softc->changer); 1122 } 1123 } else if ((softc->flags & CD_FLAG_ACTIVE) 1124 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1125 xpt_schedule(periph, priority); 1126} 1127 1128static void 1129cdrunchangerqueue(void *arg) 1130{ 1131 struct cd_softc *softc; 1132 struct cdchanger *changer; 1133 int called_from_timeout; 1134 1135 changer = (struct cdchanger *)arg; 1136 1137 /* 1138 * If we have NOT been called from cdstrategy() or cddone(), and 1139 * instead from a timeout routine, go ahead and clear the 1140 * timeout flag. 1141 */ 1142 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1143 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1144 called_from_timeout = 1; 1145 } else 1146 called_from_timeout = 0; 1147 1148 /* Always clear the manual call flag */ 1149 changer->flags &= ~CHANGER_MANUAL_CALL; 1150 1151 /* nothing to do if the queue is empty */ 1152 if (changer->devq.entries <= 0) { 1153 return; 1154 } 1155 1156 /* 1157 * If the changer queue is frozen, that means we have an active 1158 * device. 1159 */ 1160 if (changer->devq.qfrozen_cnt > 0) { 1161 1162 /* 1163 * We always need to reset the frozen count and clear the 1164 * active flag. 1165 */ 1166 changer->devq.qfrozen_cnt--; 1167 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1168 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1169 1170 if (changer->cur_device->outstanding_cmds > 0) { 1171 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1172 changer->cur_device->bufs_left = 1173 changer->cur_device->outstanding_cmds; 1174 if (called_from_timeout) { 1175 callout_reset(&changer->long_handle, 1176 changer_max_busy_seconds * hz, 1177 cdrunchangerqueue, changer); 1178 changer->flags |= CHANGER_TIMEOUT_SCHED; 1179 } 1180 return; 1181 } 1182 1183 /* 1184 * Check to see whether the current device has any I/O left 1185 * to do. If so, requeue it at the end of the queue. If 1186 * not, there is no need to requeue it. 1187 */ 1188 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1189 1190 changer->cur_device->pinfo.generation = 1191 ++changer->devq.generation; 1192 camq_insert(&changer->devq, 1193 (cam_pinfo *)changer->cur_device); 1194 } 1195 } 1196 1197 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1198 1199 changer->cur_device = softc; 1200 1201 changer->devq.qfrozen_cnt++; 1202 softc->flags |= CD_FLAG_ACTIVE; 1203 1204 /* Just in case this device is waiting */ 1205 wakeup(&softc->changer); 1206 xpt_schedule(softc->periph, /*priority*/ 1); 1207 1208 /* 1209 * Get rid of any pending timeouts, and set a flag to schedule new 1210 * ones so this device gets its full time quantum. 1211 */ 1212 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1213 callout_stop(&changer->long_handle); 1214 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1215 } 1216 1217 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1218 callout_stop(&changer->short_handle); 1219 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1220 } 1221 1222 /* 1223 * We need to schedule timeouts, but we only do this after the 1224 * first transaction has completed. This eliminates the changer 1225 * switch time. 1226 */ 1227 changer->flags |= CHANGER_NEED_TIMEOUT; 1228} 1229 1230static void 1231cdchangerschedule(struct cd_softc *softc) 1232{ 1233 struct cdchanger *changer; 1234 1235 changer = softc->changer; 1236 1237 /* 1238 * If this is a changer, and this is the current device, 1239 * and this device has at least the minimum time quantum to 1240 * run, see if we can switch it out. 1241 */ 1242 if ((softc->flags & CD_FLAG_ACTIVE) 1243 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1244 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1245 /* 1246 * We try three things here. The first is that we 1247 * check to see whether the schedule on completion 1248 * flag is set. If it is, we decrement the number 1249 * of buffers left, and if it's zero, we reschedule. 1250 * Next, we check to see whether the pending buffer 1251 * queue is empty and whether there are no 1252 * outstanding transactions. If so, we reschedule. 1253 * Next, we see if the pending buffer queue is empty. 1254 * If it is, we set the number of buffers left to 1255 * the current active buffer count and set the 1256 * schedule on complete flag. 1257 */ 1258 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1259 if (--softc->bufs_left == 0) { 1260 softc->changer->flags |= 1261 CHANGER_MANUAL_CALL; 1262 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1263 cdrunchangerqueue(softc->changer); 1264 } 1265 } else if ((bioq_first(&softc->bio_queue) == NULL) 1266 && (softc->outstanding_cmds == 0)) { 1267 softc->changer->flags |= CHANGER_MANUAL_CALL; 1268 cdrunchangerqueue(softc->changer); 1269 } 1270 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1271 && (softc->flags & CD_FLAG_ACTIVE)) { 1272 1273 /* 1274 * Now that the first transaction to this 1275 * particular device has completed, we can go ahead 1276 * and schedule our timeouts. 1277 */ 1278 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1279 callout_reset(&changer->long_handle, 1280 changer_max_busy_seconds * hz, 1281 cdrunchangerqueue, changer); 1282 changer->flags |= CHANGER_TIMEOUT_SCHED; 1283 } else 1284 printf("cdchangerschedule: already have a long" 1285 " timeout!\n"); 1286 1287 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1288 callout_reset(&changer->short_handle, 1289 changer_min_busy_seconds * hz, 1290 cdshorttimeout, changer); 1291 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1292 } else 1293 printf("cdchangerschedule: already have a short " 1294 "timeout!\n"); 1295 1296 /* 1297 * We just scheduled timeouts, no need to schedule 1298 * more. 1299 */ 1300 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1301 1302 } 1303} 1304 1305static int 1306cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1307 u_int32_t cam_flags, 1308 u_int32_t sense_flags), 1309 u_int32_t cam_flags, u_int32_t sense_flags) 1310{ 1311 struct cd_softc *softc; 1312 struct cam_periph *periph; 1313 int error; 1314 1315 periph = xpt_path_periph(ccb->ccb_h.path); 1316 softc = (struct cd_softc *)periph->softc; 1317 1318 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1319 softc->disk->d_devstat); 1320 1321 if (softc->flags & CD_FLAG_CHANGER) 1322 cdchangerschedule(softc); 1323 1324 return(error); 1325} 1326 1327static union ccb * 1328cdgetccb(struct cam_periph *periph, u_int32_t priority) 1329{ 1330 struct cd_softc *softc; 1331 1332 softc = (struct cd_softc *)periph->softc; 1333 1334 if (softc->flags & CD_FLAG_CHANGER) { 1335 /* 1336 * This should work the first time this device is woken up, 1337 * but just in case it doesn't, we use a while loop. 1338 */ 1339 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1340 /* 1341 * If this changer isn't already queued, queue it up. 1342 */ 1343 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1344 softc->pinfo.priority = 1; 1345 softc->pinfo.generation = 1346 ++softc->changer->devq.generation; 1347 camq_insert(&softc->changer->devq, 1348 (cam_pinfo *)softc); 1349 } 1350 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1351 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1352 && ((softc->changer->flags 1353 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1354 softc->changer->flags |= CHANGER_MANUAL_CALL; 1355 cdrunchangerqueue(softc->changer); 1356 } else 1357 msleep(&softc->changer, periph->sim->mtx, 1358 PRIBIO, "cgticb", 0); 1359 } 1360 } 1361 return(cam_periph_getccb(periph, priority)); 1362} 1363 1364 1365/* 1366 * Actually translate the requested transfer into one the physical driver 1367 * can understand. The transfer is described by a buf and will include 1368 * only one physical transfer. 1369 */ 1370static void 1371cdstrategy(struct bio *bp) 1372{ 1373 struct cam_periph *periph; 1374 struct cd_softc *softc; 1375 1376 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1377 if (periph == NULL) { 1378 biofinish(bp, NULL, ENXIO); 1379 return; 1380 } 1381 1382 cam_periph_lock(periph); 1383 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1384 1385 softc = (struct cd_softc *)periph->softc; 1386 1387 /* 1388 * If the device has been made invalid, error out 1389 */ 1390 if ((softc->flags & CD_FLAG_INVALID)) { 1391 cam_periph_unlock(periph); 1392 biofinish(bp, NULL, ENXIO); 1393 return; 1394 } 1395 1396 /* 1397 * If we don't have valid media, look for it before trying to 1398 * schedule the I/O. 1399 */ 1400 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1401 int error; 1402 1403 error = cdcheckmedia(periph); 1404 if (error != 0) { 1405 cam_periph_unlock(periph); 1406 biofinish(bp, NULL, error); 1407 return; 1408 } 1409 } 1410 1411 /* 1412 * Place it in the queue of disk activities for this disk 1413 */ 1414 bioq_disksort(&softc->bio_queue, bp); 1415 1416 /* 1417 * Schedule ourselves for performing the work. We do things 1418 * differently for changers. 1419 */ 1420 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1421 xpt_schedule(periph, /* XXX priority */1); 1422 else 1423 cdschedule(periph, /* priority */ 1); 1424 1425 cam_periph_unlock(periph); 1426 return; 1427} 1428 1429static void 1430cdstart(struct cam_periph *periph, union ccb *start_ccb) 1431{ 1432 struct cd_softc *softc; 1433 struct bio *bp; 1434 struct ccb_scsiio *csio; 1435 struct scsi_read_capacity_data *rcap; 1436 1437 softc = (struct cd_softc *)periph->softc; 1438 1439 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1440 1441 switch (softc->state) { 1442 case CD_STATE_NORMAL: 1443 { 1444 bp = bioq_first(&softc->bio_queue); 1445 if (periph->immediate_priority <= periph->pinfo.priority) { 1446 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1447 1448 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1449 periph_links.sle); 1450 periph->immediate_priority = CAM_PRIORITY_NONE; 1451 wakeup(&periph->ccb_list); 1452 } else if (bp == NULL) { 1453 xpt_release_ccb(start_ccb); 1454 } else { 1455 bioq_remove(&softc->bio_queue, bp); 1456 1457 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1458 1459 scsi_read_write(&start_ccb->csio, 1460 /*retries*/cd_retry_count, 1461 /* cbfcnp */ cddone, 1462 MSG_SIMPLE_Q_TAG, 1463 /* read */bp->bio_cmd == BIO_READ, 1464 /* byte2 */ 0, 1465 /* minimum_cmd_size */ 10, 1466 /* lba */ bp->bio_offset / 1467 softc->params.blksize, 1468 bp->bio_bcount / softc->params.blksize, 1469 /* data_ptr */ bp->bio_data, 1470 /* dxfer_len */ bp->bio_bcount, 1471 /* sense_len */ SSD_FULL_SIZE, 1472 /* timeout */ 30000); 1473 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1474 1475 1476 LIST_INSERT_HEAD(&softc->pending_ccbs, 1477 &start_ccb->ccb_h, periph_links.le); 1478 softc->outstanding_cmds++; 1479 1480 /* We expect a unit attention from this device */ 1481 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1482 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1483 softc->flags &= ~CD_FLAG_RETRY_UA; 1484 } 1485 1486 start_ccb->ccb_h.ccb_bp = bp; 1487 bp = bioq_first(&softc->bio_queue); 1488 1489 xpt_action(start_ccb); 1490 } 1491 if (bp != NULL) { 1492 /* Have more work to do, so ensure we stay scheduled */ 1493 xpt_schedule(periph, /* XXX priority */1); 1494 } 1495 break; 1496 } 1497 case CD_STATE_PROBE: 1498 { 1499 1500 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1501 M_SCSICD, 1502 M_NOWAIT); 1503 if (rcap == NULL) { 1504 xpt_print(periph->path, 1505 "cdstart: Couldn't malloc read_capacity data\n"); 1506 /* cd_free_periph??? */ 1507 break; 1508 } 1509 csio = &start_ccb->csio; 1510 scsi_read_capacity(csio, 1511 /*retries*/1, 1512 cddone, 1513 MSG_SIMPLE_Q_TAG, 1514 rcap, 1515 SSD_FULL_SIZE, 1516 /*timeout*/20000); 1517 start_ccb->ccb_h.ccb_bp = NULL; 1518 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1519 xpt_action(start_ccb); 1520 break; 1521 } 1522 } 1523} 1524 1525static void 1526cddone(struct cam_periph *periph, union ccb *done_ccb) 1527{ 1528 struct cd_softc *softc; 1529 struct ccb_scsiio *csio; 1530 1531 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1532 1533 softc = (struct cd_softc *)periph->softc; 1534 csio = &done_ccb->csio; 1535 1536 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1537 case CD_CCB_BUFFER_IO: 1538 { 1539 struct bio *bp; 1540 int error; 1541 1542 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1543 error = 0; 1544 1545 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1546 int sf; 1547 1548 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1549 sf = SF_RETRY_UA; 1550 else 1551 sf = 0; 1552 1553 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1554 if (error == ERESTART) { 1555 /* 1556 * A retry was scheuled, so 1557 * just return. 1558 */ 1559 return; 1560 } 1561 } 1562 1563 if (error != 0) { 1564 xpt_print(periph->path, 1565 "cddone: got error %#x back\n", error); 1566 bioq_flush(&softc->bio_queue, NULL, EIO); 1567 bp->bio_resid = bp->bio_bcount; 1568 bp->bio_error = error; 1569 bp->bio_flags |= BIO_ERROR; 1570 cam_release_devq(done_ccb->ccb_h.path, 1571 /*relsim_flags*/0, 1572 /*reduction*/0, 1573 /*timeout*/0, 1574 /*getcount_only*/0); 1575 1576 } else { 1577 bp->bio_resid = csio->resid; 1578 bp->bio_error = 0; 1579 if (bp->bio_resid != 0) { 1580 /* 1581 * Short transfer ??? 1582 * XXX: not sure this is correct for partial 1583 * transfers at EOM 1584 */ 1585 bp->bio_flags |= BIO_ERROR; 1586 } 1587 } 1588 1589 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1590 softc->outstanding_cmds--; 1591 1592 if (softc->flags & CD_FLAG_CHANGER) 1593 cdchangerschedule(softc); 1594 1595 biofinish(bp, NULL, 0); 1596 break; 1597 } 1598 case CD_CCB_PROBE: 1599 { 1600 struct scsi_read_capacity_data *rdcap; 1601 char announce_buf[120]; /* 1602 * Currently (9/30/97) the 1603 * longest possible announce 1604 * buffer is 108 bytes, for the 1605 * first error case below. 1606 * That is 39 bytes for the 1607 * basic string, 16 bytes for the 1608 * biggest sense key (hardware 1609 * error), 52 bytes for the 1610 * text of the largest sense 1611 * qualifier valid for a CDROM, 1612 * (0x72, 0x03 or 0x04, 1613 * 0x03), and one byte for the 1614 * null terminating character. 1615 * To allow for longer strings, 1616 * the announce buffer is 120 1617 * bytes. 1618 */ 1619 struct cd_params *cdp; 1620 1621 cdp = &softc->params; 1622 1623 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1624 1625 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1626 cdp->blksize = scsi_4btoul (rdcap->length); 1627 1628 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1629 1630 snprintf(announce_buf, sizeof(announce_buf), 1631 "cd present [%lu x %lu byte records]", 1632 cdp->disksize, (u_long)cdp->blksize); 1633 1634 } else { 1635 int error; 1636 /* 1637 * Retry any UNIT ATTENTION type errors. They 1638 * are expected at boot. 1639 */ 1640 error = cderror(done_ccb, CAM_RETRY_SELTO, 1641 SF_RETRY_UA | SF_NO_PRINT); 1642 if (error == ERESTART) { 1643 /* 1644 * A retry was scheuled, so 1645 * just return. 1646 */ 1647 return; 1648 } else if (error != 0) { 1649 1650 struct scsi_sense_data *sense; 1651 int asc, ascq; 1652 int sense_key, error_code; 1653 int have_sense; 1654 cam_status status; 1655 struct ccb_getdev cgd; 1656 1657 /* Don't wedge this device's queue */ 1658 cam_release_devq(done_ccb->ccb_h.path, 1659 /*relsim_flags*/0, 1660 /*reduction*/0, 1661 /*timeout*/0, 1662 /*getcount_only*/0); 1663 1664 status = done_ccb->ccb_h.status; 1665 1666 xpt_setup_ccb(&cgd.ccb_h, 1667 done_ccb->ccb_h.path, 1668 /* priority */ 1); 1669 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1670 xpt_action((union ccb *)&cgd); 1671 1672 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1673 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1674 || ((status & CAM_AUTOSNS_VALID) == 0)) 1675 have_sense = FALSE; 1676 else 1677 have_sense = TRUE; 1678 1679 if (have_sense) { 1680 sense = &csio->sense_data; 1681 scsi_extract_sense(sense, &error_code, 1682 &sense_key, 1683 &asc, &ascq); 1684 } 1685 /* 1686 * Attach to anything that claims to be a 1687 * CDROM or WORM device, as long as it 1688 * doesn't return a "Logical unit not 1689 * supported" (0x25) error. 1690 */ 1691 if ((have_sense) && (asc != 0x25) 1692 && (error_code == SSD_CURRENT_ERROR)) { 1693 const char *sense_key_desc; 1694 const char *asc_desc; 1695 1696 scsi_sense_desc(sense_key, asc, ascq, 1697 &cgd.inq_data, 1698 &sense_key_desc, 1699 &asc_desc); 1700 snprintf(announce_buf, 1701 sizeof(announce_buf), 1702 "Attempt to query device " 1703 "size failed: %s, %s", 1704 sense_key_desc, 1705 asc_desc); 1706 } else if ((have_sense == 0) 1707 && ((status & CAM_STATUS_MASK) == 1708 CAM_SCSI_STATUS_ERROR) 1709 && (csio->scsi_status == 1710 SCSI_STATUS_BUSY)) { 1711 snprintf(announce_buf, 1712 sizeof(announce_buf), 1713 "Attempt to query device " 1714 "size failed: SCSI Status: %s", 1715 scsi_status_string(csio)); 1716 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1717 /* 1718 * We only print out an error for 1719 * CDROM type devices. For WORM 1720 * devices, we don't print out an 1721 * error since a few WORM devices 1722 * don't support CDROM commands. 1723 * If we have sense information, go 1724 * ahead and print it out. 1725 * Otherwise, just say that we 1726 * couldn't attach. 1727 */ 1728 1729 /* 1730 * Just print out the error, not 1731 * the full probe message, when we 1732 * don't attach. 1733 */ 1734 if (have_sense) 1735 scsi_sense_print( 1736 &done_ccb->csio); 1737 else { 1738 xpt_print(periph->path, 1739 "got CAM status %#x\n", 1740 done_ccb->ccb_h.status); 1741 } 1742 xpt_print(periph->path, "fatal error, " 1743 "failed to attach to device\n"); 1744 /* 1745 * Invalidate this peripheral. 1746 */ 1747 cam_periph_invalidate(periph); 1748 1749 announce_buf[0] = '\0'; 1750 } else { 1751 1752 /* 1753 * Invalidate this peripheral. 1754 */ 1755 cam_periph_invalidate(periph); 1756 announce_buf[0] = '\0'; 1757 } 1758 } 1759 } 1760 free(rdcap, M_SCSICD); 1761 if (announce_buf[0] != '\0') { 1762 xpt_announce_periph(periph, announce_buf); 1763 if (softc->flags & CD_FLAG_CHANGER) 1764 cdchangerschedule(softc); 1765 /* 1766 * Create our sysctl variables, now that we know 1767 * we have successfully attached. 1768 */ 1769 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1770 } 1771 softc->state = CD_STATE_NORMAL; 1772 /* 1773 * Since our peripheral may be invalidated by an error 1774 * above or an external event, we must release our CCB 1775 * before releasing the probe lock on the peripheral. 1776 * The peripheral will only go away once the last lock 1777 * is removed, and we need it around for the CCB release 1778 * operation. 1779 */ 1780 xpt_release_ccb(done_ccb); 1781 cam_periph_unhold(periph); 1782 return; 1783 } 1784 case CD_CCB_WAITING: 1785 { 1786 /* Caller will release the CCB */ 1787 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1788 ("trying to wakeup ccbwait\n")); 1789 1790 wakeup(&done_ccb->ccb_h.cbfcnp); 1791 return; 1792 } 1793 default: 1794 break; 1795 } 1796 xpt_release_ccb(done_ccb); 1797} 1798 1799static union cd_pages * 1800cdgetpage(struct cd_mode_params *mode_params) 1801{ 1802 union cd_pages *page; 1803 1804 if (mode_params->cdb_size == 10) 1805 page = (union cd_pages *)find_mode_page_10( 1806 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1807 else 1808 page = (union cd_pages *)find_mode_page_6( 1809 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1810 1811 return (page); 1812} 1813 1814static int 1815cdgetpagesize(int page_num) 1816{ 1817 int i; 1818 1819 for (i = 0; i < (sizeof(cd_page_size_table)/ 1820 sizeof(cd_page_size_table[0])); i++) { 1821 if (cd_page_size_table[i].page == page_num) 1822 return (cd_page_size_table[i].page_size); 1823 } 1824 1825 return (-1); 1826} 1827 1828static int 1829cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1830{ 1831 1832 struct cam_periph *periph; 1833 struct cd_softc *softc; 1834 int nocopyout, error = 0; 1835 1836 periph = (struct cam_periph *)dp->d_drv1; 1837 if (periph == NULL) 1838 return(ENXIO); 1839 1840 cam_periph_lock(periph); 1841 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1842 1843 softc = (struct cd_softc *)periph->softc; 1844 1845 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1846 ("trying to do ioctl %#lx\n", cmd)); 1847 1848 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1849 cam_periph_unlock(periph); 1850 cam_periph_release(periph); 1851 return (error); 1852 } 1853 1854 /* 1855 * If we don't have media loaded, check for it. If still don't 1856 * have media loaded, we can only do a load or eject. 1857 * 1858 * We only care whether media is loaded if this is a cd-specific ioctl 1859 * (thus the IOCGROUP check below). Note that this will break if 1860 * anyone adds any ioctls into the switch statement below that don't 1861 * have their ioctl group set to 'c'. 1862 */ 1863 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1864 && ((cmd != CDIOCCLOSE) 1865 && (cmd != CDIOCEJECT)) 1866 && (IOCGROUP(cmd) == 'c')) { 1867 error = cdcheckmedia(periph); 1868 if (error != 0) { 1869 cam_periph_unhold(periph); 1870 cam_periph_unlock(periph); 1871 return (error); 1872 } 1873 } 1874 /* 1875 * Drop the lock here so later mallocs can use WAITOK. The periph 1876 * is essentially locked still with the cam_periph_hold call above. 1877 */ 1878 cam_periph_unlock(periph); 1879 1880 nocopyout = 0; 1881 switch (cmd) { 1882 1883 case CDIOCPLAYTRACKS: 1884 { 1885 struct ioc_play_track *args 1886 = (struct ioc_play_track *) addr; 1887 struct cd_mode_params params; 1888 union cd_pages *page; 1889 1890 params.alloc_len = sizeof(union cd_mode_data_6_10); 1891 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1892 M_WAITOK | M_ZERO); 1893 1894 cam_periph_lock(periph); 1895 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1896 ("trying to do CDIOCPLAYTRACKS\n")); 1897 1898 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1899 if (error) { 1900 free(params.mode_buf, M_SCSICD); 1901 cam_periph_unlock(periph); 1902 break; 1903 } 1904 page = cdgetpage(¶ms); 1905 1906 page->audio.flags &= ~CD_PA_SOTC; 1907 page->audio.flags |= CD_PA_IMMED; 1908 error = cdsetmode(periph, ¶ms); 1909 free(params.mode_buf, M_SCSICD); 1910 if (error) { 1911 cam_periph_unlock(periph); 1912 break; 1913 } 1914 1915 /* 1916 * This was originally implemented with the PLAY 1917 * AUDIO TRACK INDEX command, but that command was 1918 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1919 * drives support it but ATAPI and ATAPI-derivative 1920 * drives don't seem to support it. So we keep a 1921 * cache of the table of contents and translate 1922 * track numbers to MSF format. 1923 */ 1924 if (softc->flags & CD_FLAG_VALID_TOC) { 1925 union msf_lba *sentry, *eentry; 1926 int st, et; 1927 1928 if (args->end_track < 1929 softc->toc.header.ending_track + 1) 1930 args->end_track++; 1931 if (args->end_track > 1932 softc->toc.header.ending_track + 1) 1933 args->end_track = 1934 softc->toc.header.ending_track + 1; 1935 st = args->start_track - 1936 softc->toc.header.starting_track; 1937 et = args->end_track - 1938 softc->toc.header.starting_track; 1939 if ((st < 0) 1940 || (et < 0) 1941 || (st > (softc->toc.header.ending_track - 1942 softc->toc.header.starting_track))) { 1943 error = EINVAL; 1944 break; 1945 } 1946 sentry = &softc->toc.entries[st].addr; 1947 eentry = &softc->toc.entries[et].addr; 1948 error = cdplaymsf(periph, 1949 sentry->msf.minute, 1950 sentry->msf.second, 1951 sentry->msf.frame, 1952 eentry->msf.minute, 1953 eentry->msf.second, 1954 eentry->msf.frame); 1955 } else { 1956 /* 1957 * If we don't have a valid TOC, try the 1958 * play track index command. It is part of 1959 * the SCSI-2 spec, but was removed in the 1960 * MMC specs. ATAPI and ATAPI-derived 1961 * drives don't support it. 1962 */ 1963 if (softc->quirks & CD_Q_BCD_TRACKS) { 1964 args->start_track = 1965 bin2bcd(args->start_track); 1966 args->end_track = 1967 bin2bcd(args->end_track); 1968 } 1969 error = cdplaytracks(periph, 1970 args->start_track, 1971 args->start_index, 1972 args->end_track, 1973 args->end_index); 1974 } 1975 cam_periph_unlock(periph); 1976 } 1977 break; 1978 case CDIOCPLAYMSF: 1979 { 1980 struct ioc_play_msf *args 1981 = (struct ioc_play_msf *) addr; 1982 struct cd_mode_params params; 1983 union cd_pages *page; 1984 1985 params.alloc_len = sizeof(union cd_mode_data_6_10); 1986 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1987 M_WAITOK | M_ZERO); 1988 1989 cam_periph_lock(periph); 1990 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1991 ("trying to do CDIOCPLAYMSF\n")); 1992 1993 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1994 if (error) { 1995 free(params.mode_buf, M_SCSICD); 1996 cam_periph_unlock(periph); 1997 break; 1998 } 1999 page = cdgetpage(¶ms); 2000 2001 page->audio.flags &= ~CD_PA_SOTC; 2002 page->audio.flags |= CD_PA_IMMED; 2003 error = cdsetmode(periph, ¶ms); 2004 free(params.mode_buf, M_SCSICD); 2005 if (error) { 2006 cam_periph_unlock(periph); 2007 break; 2008 } 2009 error = cdplaymsf(periph, 2010 args->start_m, 2011 args->start_s, 2012 args->start_f, 2013 args->end_m, 2014 args->end_s, 2015 args->end_f); 2016 cam_periph_unlock(periph); 2017 } 2018 break; 2019 case CDIOCPLAYBLOCKS: 2020 { 2021 struct ioc_play_blocks *args 2022 = (struct ioc_play_blocks *) addr; 2023 struct cd_mode_params params; 2024 union cd_pages *page; 2025 2026 params.alloc_len = sizeof(union cd_mode_data_6_10); 2027 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2028 M_WAITOK | M_ZERO); 2029 2030 cam_periph_lock(periph); 2031 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2032 ("trying to do CDIOCPLAYBLOCKS\n")); 2033 2034 2035 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2036 if (error) { 2037 free(params.mode_buf, M_SCSICD); 2038 cam_periph_unlock(periph); 2039 break; 2040 } 2041 page = cdgetpage(¶ms); 2042 2043 page->audio.flags &= ~CD_PA_SOTC; 2044 page->audio.flags |= CD_PA_IMMED; 2045 error = cdsetmode(periph, ¶ms); 2046 free(params.mode_buf, M_SCSICD); 2047 if (error) { 2048 cam_periph_unlock(periph); 2049 break; 2050 } 2051 error = cdplay(periph, args->blk, args->len); 2052 cam_periph_unlock(periph); 2053 } 2054 break; 2055 case CDIOCREADSUBCHANNEL_SYSSPACE: 2056 nocopyout = 1; 2057 /* Fallthrough */ 2058 case CDIOCREADSUBCHANNEL: 2059 { 2060 struct ioc_read_subchannel *args 2061 = (struct ioc_read_subchannel *) addr; 2062 struct cd_sub_channel_info *data; 2063 u_int32_t len = args->data_len; 2064 2065 data = malloc(sizeof(struct cd_sub_channel_info), 2066 M_SCSICD, M_WAITOK); 2067 2068 cam_periph_lock(periph); 2069 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2070 ("trying to do CDIOCREADSUBCHANNEL\n")); 2071 2072 if ((len > sizeof(struct cd_sub_channel_info)) || 2073 (len < sizeof(struct cd_sub_channel_header))) { 2074 printf( 2075 "scsi_cd: cdioctl: " 2076 "cdioreadsubchannel: error, len=%d\n", 2077 len); 2078 error = EINVAL; 2079 free(data, M_SCSICD); 2080 cam_periph_unlock(periph); 2081 break; 2082 } 2083 2084 if (softc->quirks & CD_Q_BCD_TRACKS) 2085 args->track = bin2bcd(args->track); 2086 2087 error = cdreadsubchannel(periph, args->address_format, 2088 args->data_format, args->track, data, len); 2089 2090 if (error) { 2091 free(data, M_SCSICD); 2092 cam_periph_unlock(periph); 2093 break; 2094 } 2095 if (softc->quirks & CD_Q_BCD_TRACKS) 2096 data->what.track_info.track_number = 2097 bcd2bin(data->what.track_info.track_number); 2098 len = min(len, ((data->header.data_len[0] << 8) + 2099 data->header.data_len[1] + 2100 sizeof(struct cd_sub_channel_header))); 2101 cam_periph_unlock(periph); 2102 if (nocopyout == 0) { 2103 if (copyout(data, args->data, len) != 0) { 2104 error = EFAULT; 2105 } 2106 } else { 2107 bcopy(data, args->data, len); 2108 } 2109 free(data, M_SCSICD); 2110 } 2111 break; 2112 2113 case CDIOREADTOCHEADER: 2114 { 2115 struct ioc_toc_header *th; 2116 2117 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2118 M_WAITOK); 2119 2120 cam_periph_lock(periph); 2121 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2122 ("trying to do CDIOREADTOCHEADER\n")); 2123 2124 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2125 sizeof (*th), /*sense_flags*/0); 2126 if (error) { 2127 free(th, M_SCSICD); 2128 cam_periph_unlock(periph); 2129 break; 2130 } 2131 if (softc->quirks & CD_Q_BCD_TRACKS) { 2132 /* we are going to have to convert the BCD 2133 * encoding on the cd to what is expected 2134 */ 2135 th->starting_track = 2136 bcd2bin(th->starting_track); 2137 th->ending_track = bcd2bin(th->ending_track); 2138 } 2139 th->len = ntohs(th->len); 2140 bcopy(th, addr, sizeof(*th)); 2141 free(th, M_SCSICD); 2142 cam_periph_unlock(periph); 2143 } 2144 break; 2145 case CDIOREADTOCENTRYS: 2146 { 2147 struct cd_tocdata *data; 2148 struct cd_toc_single *lead; 2149 struct ioc_read_toc_entry *te = 2150 (struct ioc_read_toc_entry *) addr; 2151 struct ioc_toc_header *th; 2152 u_int32_t len, readlen, idx, num; 2153 u_int32_t starting_track = te->starting_track; 2154 2155 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2156 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2157 2158 cam_periph_lock(periph); 2159 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2160 ("trying to do CDIOREADTOCENTRYS\n")); 2161 2162 if (te->data_len < sizeof(struct cd_toc_entry) 2163 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2164 || (te->address_format != CD_MSF_FORMAT 2165 && te->address_format != CD_LBA_FORMAT)) { 2166 error = EINVAL; 2167 printf("scsi_cd: error in readtocentries, " 2168 "returning EINVAL\n"); 2169 free(data, M_SCSICD); 2170 free(lead, M_SCSICD); 2171 cam_periph_unlock(periph); 2172 break; 2173 } 2174 2175 th = &data->header; 2176 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2177 sizeof (*th), /*sense_flags*/0); 2178 if (error) { 2179 free(data, M_SCSICD); 2180 free(lead, M_SCSICD); 2181 cam_periph_unlock(periph); 2182 break; 2183 } 2184 2185 if (softc->quirks & CD_Q_BCD_TRACKS) { 2186 /* we are going to have to convert the BCD 2187 * encoding on the cd to what is expected 2188 */ 2189 th->starting_track = 2190 bcd2bin(th->starting_track); 2191 th->ending_track = bcd2bin(th->ending_track); 2192 } 2193 2194 if (starting_track == 0) 2195 starting_track = th->starting_track; 2196 else if (starting_track == LEADOUT) 2197 starting_track = th->ending_track + 1; 2198 else if (starting_track < th->starting_track || 2199 starting_track > th->ending_track + 1) { 2200 printf("scsi_cd: error in readtocentries, " 2201 "returning EINVAL\n"); 2202 free(data, M_SCSICD); 2203 free(lead, M_SCSICD); 2204 cam_periph_unlock(periph); 2205 error = EINVAL; 2206 break; 2207 } 2208 2209 /* calculate reading length without leadout entry */ 2210 readlen = (th->ending_track - starting_track + 1) * 2211 sizeof(struct cd_toc_entry); 2212 2213 /* and with leadout entry */ 2214 len = readlen + sizeof(struct cd_toc_entry); 2215 if (te->data_len < len) { 2216 len = te->data_len; 2217 if (readlen > len) 2218 readlen = len; 2219 } 2220 if (len > sizeof(data->entries)) { 2221 printf("scsi_cd: error in readtocentries, " 2222 "returning EINVAL\n"); 2223 error = EINVAL; 2224 free(data, M_SCSICD); 2225 free(lead, M_SCSICD); 2226 cam_periph_unlock(periph); 2227 break; 2228 } 2229 num = len / sizeof(struct cd_toc_entry); 2230 2231 if (readlen > 0) { 2232 error = cdreadtoc(periph, te->address_format, 2233 starting_track, 2234 (u_int8_t *)data, 2235 readlen + sizeof (*th), 2236 /*sense_flags*/0); 2237 if (error) { 2238 free(data, M_SCSICD); 2239 free(lead, M_SCSICD); 2240 cam_periph_unlock(periph); 2241 break; 2242 } 2243 } 2244 2245 /* make leadout entry if needed */ 2246 idx = starting_track + num - 1; 2247 if (softc->quirks & CD_Q_BCD_TRACKS) 2248 th->ending_track = bcd2bin(th->ending_track); 2249 if (idx == th->ending_track + 1) { 2250 error = cdreadtoc(periph, te->address_format, 2251 LEADOUT, (u_int8_t *)lead, 2252 sizeof(*lead), 2253 /*sense_flags*/0); 2254 if (error) { 2255 free(data, M_SCSICD); 2256 free(lead, M_SCSICD); 2257 cam_periph_unlock(periph); 2258 break; 2259 } 2260 data->entries[idx - starting_track] = 2261 lead->entry; 2262 } 2263 if (softc->quirks & CD_Q_BCD_TRACKS) { 2264 for (idx = 0; idx < num - 1; idx++) { 2265 data->entries[idx].track = 2266 bcd2bin(data->entries[idx].track); 2267 } 2268 } 2269 2270 cam_periph_unlock(periph); 2271 error = copyout(data->entries, te->data, len); 2272 free(data, M_SCSICD); 2273 free(lead, M_SCSICD); 2274 } 2275 break; 2276 case CDIOREADTOCENTRY: 2277 { 2278 struct cd_toc_single *data; 2279 struct ioc_read_toc_single_entry *te = 2280 (struct ioc_read_toc_single_entry *) addr; 2281 struct ioc_toc_header *th; 2282 u_int32_t track; 2283 2284 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2285 2286 cam_periph_lock(periph); 2287 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2288 ("trying to do CDIOREADTOCENTRY\n")); 2289 2290 if (te->address_format != CD_MSF_FORMAT 2291 && te->address_format != CD_LBA_FORMAT) { 2292 printf("error in readtocentry, " 2293 " returning EINVAL\n"); 2294 free(data, M_SCSICD); 2295 error = EINVAL; 2296 cam_periph_unlock(periph); 2297 break; 2298 } 2299 2300 th = &data->header; 2301 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2302 sizeof (*th), /*sense_flags*/0); 2303 if (error) { 2304 free(data, M_SCSICD); 2305 cam_periph_unlock(periph); 2306 break; 2307 } 2308 2309 if (softc->quirks & CD_Q_BCD_TRACKS) { 2310 /* we are going to have to convert the BCD 2311 * encoding on the cd to what is expected 2312 */ 2313 th->starting_track = 2314 bcd2bin(th->starting_track); 2315 th->ending_track = bcd2bin(th->ending_track); 2316 } 2317 track = te->track; 2318 if (track == 0) 2319 track = th->starting_track; 2320 else if (track == LEADOUT) 2321 /* OK */; 2322 else if (track < th->starting_track || 2323 track > th->ending_track + 1) { 2324 printf("error in readtocentry, " 2325 " returning EINVAL\n"); 2326 free(data, M_SCSICD); 2327 error = EINVAL; 2328 cam_periph_unlock(periph); 2329 break; 2330 } 2331 2332 error = cdreadtoc(periph, te->address_format, track, 2333 (u_int8_t *)data, sizeof(*data), 2334 /*sense_flags*/0); 2335 if (error) { 2336 free(data, M_SCSICD); 2337 cam_periph_unlock(periph); 2338 break; 2339 } 2340 2341 if (softc->quirks & CD_Q_BCD_TRACKS) 2342 data->entry.track = bcd2bin(data->entry.track); 2343 bcopy(&data->entry, &te->entry, 2344 sizeof(struct cd_toc_entry)); 2345 free(data, M_SCSICD); 2346 cam_periph_unlock(periph); 2347 } 2348 break; 2349 case CDIOCSETPATCH: 2350 { 2351 struct ioc_patch *arg = (struct ioc_patch *)addr; 2352 struct cd_mode_params params; 2353 union cd_pages *page; 2354 2355 params.alloc_len = sizeof(union cd_mode_data_6_10); 2356 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2357 M_WAITOK | M_ZERO); 2358 2359 cam_periph_lock(periph); 2360 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2361 ("trying to do CDIOCSETPATCH\n")); 2362 2363 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2364 if (error) { 2365 free(params.mode_buf, M_SCSICD); 2366 cam_periph_unlock(periph); 2367 break; 2368 } 2369 page = cdgetpage(¶ms); 2370 2371 page->audio.port[LEFT_PORT].channels = 2372 arg->patch[0]; 2373 page->audio.port[RIGHT_PORT].channels = 2374 arg->patch[1]; 2375 page->audio.port[2].channels = arg->patch[2]; 2376 page->audio.port[3].channels = arg->patch[3]; 2377 error = cdsetmode(periph, ¶ms); 2378 free(params.mode_buf, M_SCSICD); 2379 cam_periph_unlock(periph); 2380 } 2381 break; 2382 case CDIOCGETVOL: 2383 { 2384 struct ioc_vol *arg = (struct ioc_vol *) addr; 2385 struct cd_mode_params params; 2386 union cd_pages *page; 2387 2388 params.alloc_len = sizeof(union cd_mode_data_6_10); 2389 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2390 M_WAITOK | M_ZERO); 2391 2392 cam_periph_lock(periph); 2393 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2394 ("trying to do CDIOCGETVOL\n")); 2395 2396 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2397 if (error) { 2398 free(params.mode_buf, M_SCSICD); 2399 cam_periph_unlock(periph); 2400 break; 2401 } 2402 page = cdgetpage(¶ms); 2403 2404 arg->vol[LEFT_PORT] = 2405 page->audio.port[LEFT_PORT].volume; 2406 arg->vol[RIGHT_PORT] = 2407 page->audio.port[RIGHT_PORT].volume; 2408 arg->vol[2] = page->audio.port[2].volume; 2409 arg->vol[3] = page->audio.port[3].volume; 2410 free(params.mode_buf, M_SCSICD); 2411 cam_periph_unlock(periph); 2412 } 2413 break; 2414 case CDIOCSETVOL: 2415 { 2416 struct ioc_vol *arg = (struct ioc_vol *) addr; 2417 struct cd_mode_params params; 2418 union cd_pages *page; 2419 2420 params.alloc_len = sizeof(union cd_mode_data_6_10); 2421 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2422 M_WAITOK | M_ZERO); 2423 2424 cam_periph_lock(periph); 2425 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2426 ("trying to do CDIOCSETVOL\n")); 2427 2428 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2429 if (error) { 2430 free(params.mode_buf, M_SCSICD); 2431 cam_periph_unlock(periph); 2432 break; 2433 } 2434 page = cdgetpage(¶ms); 2435 2436 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2437 page->audio.port[LEFT_PORT].volume = 2438 arg->vol[LEFT_PORT]; 2439 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2440 page->audio.port[RIGHT_PORT].volume = 2441 arg->vol[RIGHT_PORT]; 2442 page->audio.port[2].volume = arg->vol[2]; 2443 page->audio.port[3].volume = arg->vol[3]; 2444 error = cdsetmode(periph, ¶ms); 2445 cam_periph_unlock(periph); 2446 free(params.mode_buf, M_SCSICD); 2447 } 2448 break; 2449 case CDIOCSETMONO: 2450 { 2451 struct cd_mode_params params; 2452 union cd_pages *page; 2453 2454 params.alloc_len = sizeof(union cd_mode_data_6_10); 2455 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2456 M_WAITOK | M_ZERO); 2457 2458 cam_periph_lock(periph); 2459 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2460 ("trying to do CDIOCSETMONO\n")); 2461 2462 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2463 if (error) { 2464 free(params.mode_buf, M_SCSICD); 2465 cam_periph_unlock(periph); 2466 break; 2467 } 2468 page = cdgetpage(¶ms); 2469 2470 page->audio.port[LEFT_PORT].channels = 2471 LEFT_CHANNEL | RIGHT_CHANNEL; 2472 page->audio.port[RIGHT_PORT].channels = 2473 LEFT_CHANNEL | RIGHT_CHANNEL; 2474 page->audio.port[2].channels = 0; 2475 page->audio.port[3].channels = 0; 2476 error = cdsetmode(periph, ¶ms); 2477 cam_periph_unlock(periph); 2478 free(params.mode_buf, M_SCSICD); 2479 } 2480 break; 2481 case CDIOCSETSTEREO: 2482 { 2483 struct cd_mode_params params; 2484 union cd_pages *page; 2485 2486 params.alloc_len = sizeof(union cd_mode_data_6_10); 2487 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2488 M_WAITOK | M_ZERO); 2489 2490 cam_periph_lock(periph); 2491 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2492 ("trying to do CDIOCSETSTEREO\n")); 2493 2494 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2495 if (error) { 2496 free(params.mode_buf, M_SCSICD); 2497 cam_periph_unlock(periph); 2498 break; 2499 } 2500 page = cdgetpage(¶ms); 2501 2502 page->audio.port[LEFT_PORT].channels = 2503 LEFT_CHANNEL; 2504 page->audio.port[RIGHT_PORT].channels = 2505 RIGHT_CHANNEL; 2506 page->audio.port[2].channels = 0; 2507 page->audio.port[3].channels = 0; 2508 error = cdsetmode(periph, ¶ms); 2509 free(params.mode_buf, M_SCSICD); 2510 cam_periph_unlock(periph); 2511 } 2512 break; 2513 case CDIOCSETMUTE: 2514 { 2515 struct cd_mode_params params; 2516 union cd_pages *page; 2517 2518 params.alloc_len = sizeof(union cd_mode_data_6_10); 2519 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2520 M_WAITOK | M_ZERO); 2521 2522 cam_periph_lock(periph); 2523 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2524 ("trying to do CDIOCSETMUTE\n")); 2525 2526 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2527 if (error) { 2528 free(¶ms, M_SCSICD); 2529 cam_periph_unlock(periph); 2530 break; 2531 } 2532 page = cdgetpage(¶ms); 2533 2534 page->audio.port[LEFT_PORT].channels = 0; 2535 page->audio.port[RIGHT_PORT].channels = 0; 2536 page->audio.port[2].channels = 0; 2537 page->audio.port[3].channels = 0; 2538 error = cdsetmode(periph, ¶ms); 2539 free(params.mode_buf, M_SCSICD); 2540 cam_periph_unlock(periph); 2541 } 2542 break; 2543 case CDIOCSETLEFT: 2544 { 2545 struct cd_mode_params params; 2546 union cd_pages *page; 2547 2548 params.alloc_len = sizeof(union cd_mode_data_6_10); 2549 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2550 M_WAITOK | M_ZERO); 2551 2552 cam_periph_lock(periph); 2553 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2554 ("trying to do CDIOCSETLEFT\n")); 2555 2556 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2557 if (error) { 2558 free(params.mode_buf, M_SCSICD); 2559 cam_periph_unlock(periph); 2560 break; 2561 } 2562 page = cdgetpage(¶ms); 2563 2564 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2565 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2566 page->audio.port[2].channels = 0; 2567 page->audio.port[3].channels = 0; 2568 error = cdsetmode(periph, ¶ms); 2569 free(params.mode_buf, M_SCSICD); 2570 cam_periph_unlock(periph); 2571 } 2572 break; 2573 case CDIOCSETRIGHT: 2574 { 2575 struct cd_mode_params params; 2576 union cd_pages *page; 2577 2578 params.alloc_len = sizeof(union cd_mode_data_6_10); 2579 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2580 M_WAITOK | M_ZERO); 2581 2582 cam_periph_lock(periph); 2583 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2584 ("trying to do CDIOCSETRIGHT\n")); 2585 2586 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2587 if (error) { 2588 free(params.mode_buf, M_SCSICD); 2589 cam_periph_unlock(periph); 2590 break; 2591 } 2592 page = cdgetpage(¶ms); 2593 2594 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2595 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2596 page->audio.port[2].channels = 0; 2597 page->audio.port[3].channels = 0; 2598 error = cdsetmode(periph, ¶ms); 2599 free(params.mode_buf, M_SCSICD); 2600 cam_periph_unlock(periph); 2601 } 2602 break; 2603 case CDIOCRESUME: 2604 cam_periph_lock(periph); 2605 error = cdpause(periph, 1); 2606 cam_periph_unlock(periph); 2607 break; 2608 case CDIOCPAUSE: 2609 cam_periph_lock(periph); 2610 error = cdpause(periph, 0); 2611 cam_periph_unlock(periph); 2612 break; 2613 case CDIOCSTART: 2614 cam_periph_lock(periph); 2615 error = cdstartunit(periph, 0); 2616 cam_periph_unlock(periph); 2617 break; 2618 case CDIOCCLOSE: 2619 cam_periph_lock(periph); 2620 error = cdstartunit(periph, 1); 2621 cam_periph_unlock(periph); 2622 break; 2623 case CDIOCSTOP: 2624 cam_periph_lock(periph); 2625 error = cdstopunit(periph, 0); 2626 cam_periph_unlock(periph); 2627 break; 2628 case CDIOCEJECT: 2629 cam_periph_lock(periph); 2630 error = cdstopunit(periph, 1); 2631 cam_periph_unlock(periph); 2632 break; 2633 case CDIOCALLOW: 2634 cam_periph_lock(periph); 2635 cdprevent(periph, PR_ALLOW); 2636 cam_periph_unlock(periph); 2637 break; 2638 case CDIOCPREVENT: 2639 cam_periph_lock(periph); 2640 cdprevent(periph, PR_PREVENT); 2641 cam_periph_unlock(periph); 2642 break; 2643 case CDIOCSETDEBUG: 2644 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2645 error = ENOTTY; 2646 break; 2647 case CDIOCCLRDEBUG: 2648 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2649 error = ENOTTY; 2650 break; 2651 case CDIOCRESET: 2652 /* return (cd_reset(periph)); */ 2653 error = ENOTTY; 2654 break; 2655 case CDRIOCREADSPEED: 2656 cam_periph_lock(periph); 2657 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2658 cam_periph_unlock(periph); 2659 break; 2660 case CDRIOCWRITESPEED: 2661 cam_periph_lock(periph); 2662 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2663 cam_periph_unlock(periph); 2664 break; 2665 case DVDIOCSENDKEY: 2666 case DVDIOCREPORTKEY: { 2667 struct dvd_authinfo *authinfo; 2668 2669 authinfo = (struct dvd_authinfo *)addr; 2670 2671 cam_periph_lock(periph); 2672 if (cmd == DVDIOCREPORTKEY) 2673 error = cdreportkey(periph, authinfo); 2674 else 2675 error = cdsendkey(periph, authinfo); 2676 cam_periph_unlock(periph); 2677 break; 2678 } 2679 case DVDIOCREADSTRUCTURE: { 2680 struct dvd_struct *dvdstruct; 2681 2682 dvdstruct = (struct dvd_struct *)addr; 2683 2684 cam_periph_lock(periph); 2685 error = cdreaddvdstructure(periph, dvdstruct); 2686 cam_periph_unlock(periph); 2687 2688 break; 2689 } 2690 default: 2691 cam_periph_lock(periph); 2692 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2693 cam_periph_unlock(periph); 2694 break; 2695 } 2696 2697 cam_periph_lock(periph); 2698 cam_periph_unhold(periph); 2699 2700 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2701 if (error && bootverbose) { 2702 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2703 } 2704 cam_periph_unlock(periph); 2705 2706 return (error); 2707} 2708 2709static void 2710cdprevent(struct cam_periph *periph, int action) 2711{ 2712 union ccb *ccb; 2713 struct cd_softc *softc; 2714 int error; 2715 2716 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2717 2718 softc = (struct cd_softc *)periph->softc; 2719 2720 if (((action == PR_ALLOW) 2721 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2722 || ((action == PR_PREVENT) 2723 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2724 return; 2725 } 2726 2727 ccb = cdgetccb(periph, /* priority */ 1); 2728 2729 scsi_prevent(&ccb->csio, 2730 /*retries*/ 1, 2731 cddone, 2732 MSG_SIMPLE_Q_TAG, 2733 action, 2734 SSD_FULL_SIZE, 2735 /* timeout */60000); 2736 2737 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2738 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2739 2740 xpt_release_ccb(ccb); 2741 2742 if (error == 0) { 2743 if (action == PR_ALLOW) 2744 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2745 else 2746 softc->flags |= CD_FLAG_DISC_LOCKED; 2747 } 2748} 2749 2750/* 2751 * XXX: the disk media and sector size is only really able to change 2752 * XXX: while the device is closed. 2753 */ 2754static int 2755cdcheckmedia(struct cam_periph *periph) 2756{ 2757 struct cd_softc *softc; 2758 struct ioc_toc_header *toch; 2759 struct cd_toc_single leadout; 2760 u_int32_t size, toclen; 2761 int error, num_entries, cdindex; 2762 2763 softc = (struct cd_softc *)periph->softc; 2764 2765 cdprevent(periph, PR_PREVENT); 2766 softc->disk->d_maxsize = DFLTPHYS; 2767 softc->disk->d_sectorsize = 2048; 2768 softc->disk->d_mediasize = 0; 2769 2770 /* 2771 * Get the disc size and block size. If we can't get it, we don't 2772 * have media, most likely. 2773 */ 2774 if ((error = cdsize(periph, &size)) != 0) { 2775 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2776 cdprevent(periph, PR_ALLOW); 2777 return (error); 2778 } else 2779 softc->flags |= CD_FLAG_VALID_MEDIA; 2780 2781 /* 2782 * Now we check the table of contents. This (currently) is only 2783 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2784 * things like present a separate entry in /dev for each track, 2785 * like that acd(4) driver does. 2786 */ 2787 bzero(&softc->toc, sizeof(softc->toc)); 2788 toch = &softc->toc.header; 2789 /* 2790 * We will get errors here for media that doesn't have a table of 2791 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2792 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2793 * has not been recorded (no complete session) and the Format codes 2794 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2795 * with an INVALID FIELD IN CDB. Devices that are not capable of 2796 * reading an incomplete session on DDC/CD-R/RW media shall report 2797 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2798 * 2799 * So this isn't fatal if we can't read the table of contents, it 2800 * just means that the user won't be able to issue the play tracks 2801 * ioctl, and likely lots of other stuff won't work either. They 2802 * need to burn the CD before we can do a whole lot with it. So 2803 * we don't print anything here if we get an error back. 2804 */ 2805 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2806 SF_NO_PRINT); 2807 /* 2808 * Errors in reading the table of contents aren't fatal, we just 2809 * won't have a valid table of contents cached. 2810 */ 2811 if (error != 0) { 2812 error = 0; 2813 bzero(&softc->toc, sizeof(softc->toc)); 2814 goto bailout; 2815 } 2816 2817 if (softc->quirks & CD_Q_BCD_TRACKS) { 2818 toch->starting_track = bcd2bin(toch->starting_track); 2819 toch->ending_track = bcd2bin(toch->ending_track); 2820 } 2821 2822 /* Number of TOC entries, plus leadout */ 2823 num_entries = (toch->ending_track - toch->starting_track) + 2; 2824 2825 if (num_entries <= 0) 2826 goto bailout; 2827 2828 toclen = num_entries * sizeof(struct cd_toc_entry); 2829 2830 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2831 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2832 SF_NO_PRINT); 2833 if (error != 0) { 2834 error = 0; 2835 bzero(&softc->toc, sizeof(softc->toc)); 2836 goto bailout; 2837 } 2838 2839 if (softc->quirks & CD_Q_BCD_TRACKS) { 2840 toch->starting_track = bcd2bin(toch->starting_track); 2841 toch->ending_track = bcd2bin(toch->ending_track); 2842 } 2843 /* 2844 * XXX KDM is this necessary? Probably only if the drive doesn't 2845 * return leadout information with the table of contents. 2846 */ 2847 cdindex = toch->starting_track + num_entries -1; 2848 if (cdindex == toch->ending_track + 1) { 2849 2850 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2851 (u_int8_t *)&leadout, sizeof(leadout), 2852 SF_NO_PRINT); 2853 if (error != 0) { 2854 error = 0; 2855 goto bailout; 2856 } 2857 softc->toc.entries[cdindex - toch->starting_track] = 2858 leadout.entry; 2859 } 2860 if (softc->quirks & CD_Q_BCD_TRACKS) { 2861 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2862 softc->toc.entries[cdindex].track = 2863 bcd2bin(softc->toc.entries[cdindex].track); 2864 } 2865 } 2866 2867 softc->flags |= CD_FLAG_VALID_TOC; 2868 softc->disk->d_maxsize = DFLTPHYS; 2869 softc->disk->d_sectorsize = softc->params.blksize; 2870 softc->disk->d_mediasize = 2871 (off_t)softc->params.blksize * softc->params.disksize; 2872 2873bailout: 2874 2875 /* 2876 * We unconditionally (re)set the blocksize each time the 2877 * CD device is opened. This is because the CD can change, 2878 * and therefore the blocksize might change. 2879 * XXX problems here if some slice or partition is still 2880 * open with the old size? 2881 */ 2882 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2883 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2884 softc->disk->d_devstat->block_size = softc->params.blksize; 2885 2886 return (error); 2887} 2888 2889static int 2890cdsize(struct cam_periph *periph, u_int32_t *size) 2891{ 2892 struct cd_softc *softc; 2893 union ccb *ccb; 2894 struct scsi_read_capacity_data *rcap_buf; 2895 int error; 2896 2897 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2898 2899 softc = (struct cd_softc *)periph->softc; 2900 2901 ccb = cdgetccb(periph, /* priority */ 1); 2902 2903 /* XXX Should be M_WAITOK */ 2904 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2905 M_SCSICD, M_NOWAIT); 2906 if (rcap_buf == NULL) 2907 return (ENOMEM); 2908 2909 scsi_read_capacity(&ccb->csio, 2910 /*retries*/ 1, 2911 cddone, 2912 MSG_SIMPLE_Q_TAG, 2913 rcap_buf, 2914 SSD_FULL_SIZE, 2915 /* timeout */20000); 2916 2917 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2918 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2919 2920 xpt_release_ccb(ccb); 2921 2922 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2923 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2924 /* 2925 * SCSI-3 mandates that the reported blocksize shall be 2048. 2926 * Older drives sometimes report funny values, trim it down to 2927 * 2048, or other parts of the kernel will get confused. 2928 * 2929 * XXX we leave drives alone that might report 512 bytes, as 2930 * well as drives reporting more weird sizes like perhaps 4K. 2931 */ 2932 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2933 softc->params.blksize = 2048; 2934 2935 free(rcap_buf, M_SCSICD); 2936 *size = softc->params.disksize; 2937 2938 return (error); 2939 2940} 2941 2942static int 2943cd6byteworkaround(union ccb *ccb) 2944{ 2945 u_int8_t *cdb; 2946 struct cam_periph *periph; 2947 struct cd_softc *softc; 2948 struct cd_mode_params *params; 2949 int frozen, found; 2950 2951 periph = xpt_path_periph(ccb->ccb_h.path); 2952 softc = (struct cd_softc *)periph->softc; 2953 2954 cdb = ccb->csio.cdb_io.cdb_bytes; 2955 2956 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2957 || ((cdb[0] != MODE_SENSE_6) 2958 && (cdb[0] != MODE_SELECT_6))) 2959 return (0); 2960 2961 /* 2962 * Because there is no convenient place to stash the overall 2963 * cd_mode_params structure pointer, we have to grab it like this. 2964 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2965 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2966 * 2967 * XXX It would be nice if, at some point, we could increase the 2968 * number of available peripheral private pointers. Both pointers 2969 * are currently used in most every peripheral driver. 2970 */ 2971 found = 0; 2972 2973 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2974 if (params->mode_buf == ccb->csio.data_ptr) { 2975 found = 1; 2976 break; 2977 } 2978 } 2979 2980 /* 2981 * This shouldn't happen. All mode sense and mode select 2982 * operations in the cd(4) driver MUST go through cdgetmode() and 2983 * cdsetmode()! 2984 */ 2985 if (found == 0) { 2986 xpt_print(periph->path, 2987 "mode buffer not found in mode queue!\n"); 2988 return (0); 2989 } 2990 2991 params->cdb_size = 10; 2992 softc->minimum_command_size = 10; 2993 xpt_print(ccb->ccb_h.path, 2994 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2995 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2996 2997 if (cdb[0] == MODE_SENSE_6) { 2998 struct scsi_mode_sense_10 ms10; 2999 struct scsi_mode_sense_6 *ms6; 3000 int len; 3001 3002 ms6 = (struct scsi_mode_sense_6 *)cdb; 3003 3004 bzero(&ms10, sizeof(ms10)); 3005 ms10.opcode = MODE_SENSE_10; 3006 ms10.byte2 = ms6->byte2; 3007 ms10.page = ms6->page; 3008 3009 /* 3010 * 10 byte mode header, block descriptor, 3011 * sizeof(union cd_pages) 3012 */ 3013 len = sizeof(struct cd_mode_data_10); 3014 ccb->csio.dxfer_len = len; 3015 3016 scsi_ulto2b(len, ms10.length); 3017 ms10.control = ms6->control; 3018 bcopy(&ms10, cdb, 10); 3019 ccb->csio.cdb_len = 10; 3020 } else { 3021 struct scsi_mode_select_10 ms10; 3022 struct scsi_mode_select_6 *ms6; 3023 struct scsi_mode_header_6 *header6; 3024 struct scsi_mode_header_10 *header10; 3025 struct scsi_mode_page_header *page_header; 3026 int blk_desc_len, page_num, page_size, len; 3027 3028 ms6 = (struct scsi_mode_select_6 *)cdb; 3029 3030 bzero(&ms10, sizeof(ms10)); 3031 ms10.opcode = MODE_SELECT_10; 3032 ms10.byte2 = ms6->byte2; 3033 3034 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3035 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3036 3037 page_header = find_mode_page_6(header6); 3038 page_num = page_header->page_code; 3039 3040 blk_desc_len = header6->blk_desc_len; 3041 3042 page_size = cdgetpagesize(page_num); 3043 3044 if (page_size != (page_header->page_length + 3045 sizeof(*page_header))) 3046 page_size = page_header->page_length + 3047 sizeof(*page_header); 3048 3049 len = sizeof(*header10) + blk_desc_len + page_size; 3050 3051 len = min(params->alloc_len, len); 3052 3053 /* 3054 * Since the 6 byte parameter header is shorter than the 10 3055 * byte parameter header, we need to copy the actual mode 3056 * page data, and the block descriptor, if any, so things wind 3057 * up in the right place. The regions will overlap, but 3058 * bcopy() does the right thing. 3059 */ 3060 bcopy(params->mode_buf + sizeof(*header6), 3061 params->mode_buf + sizeof(*header10), 3062 len - sizeof(*header10)); 3063 3064 /* Make sure these fields are set correctly. */ 3065 scsi_ulto2b(0, header10->data_length); 3066 header10->medium_type = 0; 3067 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3068 3069 ccb->csio.dxfer_len = len; 3070 3071 scsi_ulto2b(len, ms10.length); 3072 ms10.control = ms6->control; 3073 bcopy(&ms10, cdb, 10); 3074 ccb->csio.cdb_len = 10; 3075 } 3076 3077 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3078 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3079 xpt_action(ccb); 3080 if (frozen) { 3081 cam_release_devq(ccb->ccb_h.path, 3082 /*relsim_flags*/0, 3083 /*openings*/0, 3084 /*timeout*/0, 3085 /*getcount_only*/0); 3086 } 3087 3088 return (ERESTART); 3089} 3090 3091static int 3092cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3093{ 3094 struct cd_softc *softc; 3095 struct cam_periph *periph; 3096 int error; 3097 3098 periph = xpt_path_periph(ccb->ccb_h.path); 3099 softc = (struct cd_softc *)periph->softc; 3100 3101 error = 0; 3102 3103 /* 3104 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3105 * CDB comes back with this particular error, try transforming it 3106 * into the 10 byte version. 3107 */ 3108 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3109 error = cd6byteworkaround(ccb); 3110 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3111 CAM_SCSI_STATUS_ERROR) 3112 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3113 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3114 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3115 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3116 int sense_key, error_code, asc, ascq; 3117 3118 scsi_extract_sense(&ccb->csio.sense_data, 3119 &error_code, &sense_key, &asc, &ascq); 3120 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3121 error = cd6byteworkaround(ccb); 3122 } 3123 3124 if (error == ERESTART) 3125 return (error); 3126 3127 /* 3128 * XXX 3129 * Until we have a better way of doing pack validation, 3130 * don't treat UAs as errors. 3131 */ 3132 sense_flags |= SF_RETRY_UA; 3133 return (cam_periph_error(ccb, cam_flags, sense_flags, 3134 &softc->saved_ccb)); 3135} 3136 3137/* 3138 * Read table of contents 3139 */ 3140static int 3141cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3142 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3143{ 3144 struct scsi_read_toc *scsi_cmd; 3145 u_int32_t ntoc; 3146 struct ccb_scsiio *csio; 3147 union ccb *ccb; 3148 int error; 3149 3150 ntoc = len; 3151 error = 0; 3152 3153 ccb = cdgetccb(periph, /* priority */ 1); 3154 3155 csio = &ccb->csio; 3156 3157 cam_fill_csio(csio, 3158 /* retries */ 1, 3159 /* cbfcnp */ cddone, 3160 /* flags */ CAM_DIR_IN, 3161 /* tag_action */ MSG_SIMPLE_Q_TAG, 3162 /* data_ptr */ data, 3163 /* dxfer_len */ len, 3164 /* sense_len */ SSD_FULL_SIZE, 3165 sizeof(struct scsi_read_toc), 3166 /* timeout */ 50000); 3167 3168 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3169 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3170 3171 if (mode == CD_MSF_FORMAT) 3172 scsi_cmd->byte2 |= CD_MSF; 3173 scsi_cmd->from_track = start; 3174 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3175 scsi_cmd->data_len[0] = (ntoc) >> 8; 3176 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3177 3178 scsi_cmd->op_code = READ_TOC; 3179 3180 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3181 /*sense_flags*/SF_RETRY_UA | sense_flags); 3182 3183 xpt_release_ccb(ccb); 3184 3185 return(error); 3186} 3187 3188static int 3189cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3190 u_int32_t format, int track, 3191 struct cd_sub_channel_info *data, u_int32_t len) 3192{ 3193 struct scsi_read_subchannel *scsi_cmd; 3194 struct ccb_scsiio *csio; 3195 union ccb *ccb; 3196 int error; 3197 3198 error = 0; 3199 3200 ccb = cdgetccb(periph, /* priority */ 1); 3201 3202 csio = &ccb->csio; 3203 3204 cam_fill_csio(csio, 3205 /* retries */ 1, 3206 /* cbfcnp */ cddone, 3207 /* flags */ CAM_DIR_IN, 3208 /* tag_action */ MSG_SIMPLE_Q_TAG, 3209 /* data_ptr */ (u_int8_t *)data, 3210 /* dxfer_len */ len, 3211 /* sense_len */ SSD_FULL_SIZE, 3212 sizeof(struct scsi_read_subchannel), 3213 /* timeout */ 50000); 3214 3215 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3216 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3217 3218 scsi_cmd->op_code = READ_SUBCHANNEL; 3219 if (mode == CD_MSF_FORMAT) 3220 scsi_cmd->byte1 |= CD_MSF; 3221 scsi_cmd->byte2 = SRS_SUBQ; 3222 scsi_cmd->subchan_format = format; 3223 scsi_cmd->track = track; 3224 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3225 scsi_cmd->control = 0; 3226 3227 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3228 /*sense_flags*/SF_RETRY_UA); 3229 3230 xpt_release_ccb(ccb); 3231 3232 return(error); 3233} 3234 3235 3236/* 3237 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3238 * routine. See comments in cd6byteworkaround() for details. 3239 */ 3240static int 3241cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3242 u_int32_t page) 3243{ 3244 struct ccb_scsiio *csio; 3245 struct cd_softc *softc; 3246 union ccb *ccb; 3247 int param_len; 3248 int error; 3249 3250 softc = (struct cd_softc *)periph->softc; 3251 3252 ccb = cdgetccb(periph, /* priority */ 1); 3253 3254 csio = &ccb->csio; 3255 3256 data->cdb_size = softc->minimum_command_size; 3257 if (data->cdb_size < 10) 3258 param_len = sizeof(struct cd_mode_data); 3259 else 3260 param_len = sizeof(struct cd_mode_data_10); 3261 3262 /* Don't say we've got more room than we actually allocated */ 3263 param_len = min(param_len, data->alloc_len); 3264 3265 scsi_mode_sense_len(csio, 3266 /* retries */ 1, 3267 /* cbfcnp */ cddone, 3268 /* tag_action */ MSG_SIMPLE_Q_TAG, 3269 /* dbd */ 0, 3270 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3271 /* page */ page, 3272 /* param_buf */ data->mode_buf, 3273 /* param_len */ param_len, 3274 /* minimum_cmd_size */ softc->minimum_command_size, 3275 /* sense_len */ SSD_FULL_SIZE, 3276 /* timeout */ 50000); 3277 3278 /* 3279 * It would be nice not to have to do this, but there's no 3280 * available pointer in the CCB that would allow us to stuff the 3281 * mode params structure in there and retrieve it in 3282 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3283 * lets the caller know what CDB size we ended up using, so they 3284 * can find the actual mode page offset. 3285 */ 3286 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3287 3288 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3289 /*sense_flags*/SF_RETRY_UA); 3290 3291 xpt_release_ccb(ccb); 3292 3293 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3294 3295 /* 3296 * This is a bit of belt-and-suspenders checking, but if we run 3297 * into a situation where the target sends back multiple block 3298 * descriptors, we might not have enough space in the buffer to 3299 * see the whole mode page. Better to return an error than 3300 * potentially access memory beyond our malloced region. 3301 */ 3302 if (error == 0) { 3303 u_int32_t data_len; 3304 3305 if (data->cdb_size == 10) { 3306 struct scsi_mode_header_10 *hdr10; 3307 3308 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3309 data_len = scsi_2btoul(hdr10->data_length); 3310 data_len += sizeof(hdr10->data_length); 3311 } else { 3312 struct scsi_mode_header_6 *hdr6; 3313 3314 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3315 data_len = hdr6->data_length; 3316 data_len += sizeof(hdr6->data_length); 3317 } 3318 3319 /* 3320 * Complain if there is more mode data available than we 3321 * allocated space for. This could potentially happen if 3322 * we miscalculated the page length for some reason, if the 3323 * drive returns multiple block descriptors, or if it sets 3324 * the data length incorrectly. 3325 */ 3326 if (data_len > data->alloc_len) { 3327 xpt_print(periph->path, "allocated modepage %d length " 3328 "%d < returned length %d\n", page, data->alloc_len, 3329 data_len); 3330 error = ENOSPC; 3331 } 3332 } 3333 return (error); 3334} 3335 3336/* 3337 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3338 * routine. See comments in cd6byteworkaround() for details. 3339 */ 3340static int 3341cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3342{ 3343 struct ccb_scsiio *csio; 3344 struct cd_softc *softc; 3345 union ccb *ccb; 3346 int cdb_size, param_len; 3347 int error; 3348 3349 softc = (struct cd_softc *)periph->softc; 3350 3351 ccb = cdgetccb(periph, /* priority */ 1); 3352 3353 csio = &ccb->csio; 3354 3355 error = 0; 3356 3357 /* 3358 * If the data is formatted for the 10 byte version of the mode 3359 * select parameter list, we need to use the 10 byte CDB. 3360 * Otherwise, we use whatever the stored minimum command size. 3361 */ 3362 if (data->cdb_size == 10) 3363 cdb_size = data->cdb_size; 3364 else 3365 cdb_size = softc->minimum_command_size; 3366 3367 if (cdb_size >= 10) { 3368 struct scsi_mode_header_10 *mode_header; 3369 u_int32_t data_len; 3370 3371 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3372 3373 data_len = scsi_2btoul(mode_header->data_length); 3374 3375 scsi_ulto2b(0, mode_header->data_length); 3376 /* 3377 * SONY drives do not allow a mode select with a medium_type 3378 * value that has just been returned by a mode sense; use a 3379 * medium_type of 0 (Default) instead. 3380 */ 3381 mode_header->medium_type = 0; 3382 3383 /* 3384 * Pass back whatever the drive passed to us, plus the size 3385 * of the data length field. 3386 */ 3387 param_len = data_len + sizeof(mode_header->data_length); 3388 3389 } else { 3390 struct scsi_mode_header_6 *mode_header; 3391 3392 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3393 3394 param_len = mode_header->data_length + 1; 3395 3396 mode_header->data_length = 0; 3397 /* 3398 * SONY drives do not allow a mode select with a medium_type 3399 * value that has just been returned by a mode sense; use a 3400 * medium_type of 0 (Default) instead. 3401 */ 3402 mode_header->medium_type = 0; 3403 } 3404 3405 /* Don't say we've got more room than we actually allocated */ 3406 param_len = min(param_len, data->alloc_len); 3407 3408 scsi_mode_select_len(csio, 3409 /* retries */ 1, 3410 /* cbfcnp */ cddone, 3411 /* tag_action */ MSG_SIMPLE_Q_TAG, 3412 /* scsi_page_fmt */ 1, 3413 /* save_pages */ 0, 3414 /* param_buf */ data->mode_buf, 3415 /* param_len */ param_len, 3416 /* minimum_cmd_size */ cdb_size, 3417 /* sense_len */ SSD_FULL_SIZE, 3418 /* timeout */ 50000); 3419 3420 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3421 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3422 3423 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3424 /*sense_flags*/SF_RETRY_UA); 3425 3426 xpt_release_ccb(ccb); 3427 3428 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3429 3430 return (error); 3431} 3432 3433 3434static int 3435cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3436{ 3437 struct ccb_scsiio *csio; 3438 union ccb *ccb; 3439 int error; 3440 u_int8_t cdb_len; 3441 3442 error = 0; 3443 ccb = cdgetccb(periph, /* priority */ 1); 3444 csio = &ccb->csio; 3445 /* 3446 * Use the smallest possible command to perform the operation. 3447 */ 3448 if ((len & 0xffff0000) == 0) { 3449 /* 3450 * We can fit in a 10 byte cdb. 3451 */ 3452 struct scsi_play_10 *scsi_cmd; 3453 3454 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3455 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3456 scsi_cmd->op_code = PLAY_10; 3457 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3458 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3459 cdb_len = sizeof(*scsi_cmd); 3460 } else { 3461 struct scsi_play_12 *scsi_cmd; 3462 3463 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3464 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3465 scsi_cmd->op_code = PLAY_12; 3466 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3467 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3468 cdb_len = sizeof(*scsi_cmd); 3469 } 3470 cam_fill_csio(csio, 3471 /*retries*/2, 3472 cddone, 3473 /*flags*/CAM_DIR_NONE, 3474 MSG_SIMPLE_Q_TAG, 3475 /*dataptr*/NULL, 3476 /*datalen*/0, 3477 /*sense_len*/SSD_FULL_SIZE, 3478 cdb_len, 3479 /*timeout*/50 * 1000); 3480 3481 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3482 /*sense_flags*/SF_RETRY_UA); 3483 3484 xpt_release_ccb(ccb); 3485 3486 return(error); 3487} 3488 3489static int 3490cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3491 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3492{ 3493 struct scsi_play_msf *scsi_cmd; 3494 struct ccb_scsiio *csio; 3495 union ccb *ccb; 3496 int error; 3497 3498 error = 0; 3499 3500 ccb = cdgetccb(periph, /* priority */ 1); 3501 3502 csio = &ccb->csio; 3503 3504 cam_fill_csio(csio, 3505 /* retries */ 1, 3506 /* cbfcnp */ cddone, 3507 /* flags */ CAM_DIR_NONE, 3508 /* tag_action */ MSG_SIMPLE_Q_TAG, 3509 /* data_ptr */ NULL, 3510 /* dxfer_len */ 0, 3511 /* sense_len */ SSD_FULL_SIZE, 3512 sizeof(struct scsi_play_msf), 3513 /* timeout */ 50000); 3514 3515 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3516 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3517 3518 scsi_cmd->op_code = PLAY_MSF; 3519 scsi_cmd->start_m = startm; 3520 scsi_cmd->start_s = starts; 3521 scsi_cmd->start_f = startf; 3522 scsi_cmd->end_m = endm; 3523 scsi_cmd->end_s = ends; 3524 scsi_cmd->end_f = endf; 3525 3526 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3527 /*sense_flags*/SF_RETRY_UA); 3528 3529 xpt_release_ccb(ccb); 3530 3531 return(error); 3532} 3533 3534 3535static int 3536cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3537 u_int32_t etrack, u_int32_t eindex) 3538{ 3539 struct scsi_play_track *scsi_cmd; 3540 struct ccb_scsiio *csio; 3541 union ccb *ccb; 3542 int error; 3543 3544 error = 0; 3545 3546 ccb = cdgetccb(periph, /* priority */ 1); 3547 3548 csio = &ccb->csio; 3549 3550 cam_fill_csio(csio, 3551 /* retries */ 1, 3552 /* cbfcnp */ cddone, 3553 /* flags */ CAM_DIR_NONE, 3554 /* tag_action */ MSG_SIMPLE_Q_TAG, 3555 /* data_ptr */ NULL, 3556 /* dxfer_len */ 0, 3557 /* sense_len */ SSD_FULL_SIZE, 3558 sizeof(struct scsi_play_track), 3559 /* timeout */ 50000); 3560 3561 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3562 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3563 3564 scsi_cmd->op_code = PLAY_TRACK; 3565 scsi_cmd->start_track = strack; 3566 scsi_cmd->start_index = sindex; 3567 scsi_cmd->end_track = etrack; 3568 scsi_cmd->end_index = eindex; 3569 3570 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3571 /*sense_flags*/SF_RETRY_UA); 3572 3573 xpt_release_ccb(ccb); 3574 3575 return(error); 3576} 3577 3578static int 3579cdpause(struct cam_periph *periph, u_int32_t go) 3580{ 3581 struct scsi_pause *scsi_cmd; 3582 struct ccb_scsiio *csio; 3583 union ccb *ccb; 3584 int error; 3585 3586 error = 0; 3587 3588 ccb = cdgetccb(periph, /* priority */ 1); 3589 3590 csio = &ccb->csio; 3591 3592 cam_fill_csio(csio, 3593 /* retries */ 1, 3594 /* cbfcnp */ cddone, 3595 /* flags */ CAM_DIR_NONE, 3596 /* tag_action */ MSG_SIMPLE_Q_TAG, 3597 /* data_ptr */ NULL, 3598 /* dxfer_len */ 0, 3599 /* sense_len */ SSD_FULL_SIZE, 3600 sizeof(struct scsi_pause), 3601 /* timeout */ 50000); 3602 3603 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3604 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3605 3606 scsi_cmd->op_code = PAUSE; 3607 scsi_cmd->resume = go; 3608 3609 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3610 /*sense_flags*/SF_RETRY_UA); 3611 3612 xpt_release_ccb(ccb); 3613 3614 return(error); 3615} 3616 3617static int 3618cdstartunit(struct cam_periph *periph, int load) 3619{ 3620 union ccb *ccb; 3621 int error; 3622 3623 error = 0; 3624 3625 ccb = cdgetccb(periph, /* priority */ 1); 3626 3627 scsi_start_stop(&ccb->csio, 3628 /* retries */ 1, 3629 /* cbfcnp */ cddone, 3630 /* tag_action */ MSG_SIMPLE_Q_TAG, 3631 /* start */ TRUE, 3632 /* load_eject */ load, 3633 /* immediate */ FALSE, 3634 /* sense_len */ SSD_FULL_SIZE, 3635 /* timeout */ 50000); 3636 3637 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3638 /*sense_flags*/SF_RETRY_UA); 3639 3640 xpt_release_ccb(ccb); 3641 3642 return(error); 3643} 3644 3645static int 3646cdstopunit(struct cam_periph *periph, u_int32_t eject) 3647{ 3648 union ccb *ccb; 3649 int error; 3650 3651 error = 0; 3652 3653 ccb = cdgetccb(periph, /* priority */ 1); 3654 3655 scsi_start_stop(&ccb->csio, 3656 /* retries */ 1, 3657 /* cbfcnp */ cddone, 3658 /* tag_action */ MSG_SIMPLE_Q_TAG, 3659 /* start */ FALSE, 3660 /* load_eject */ eject, 3661 /* immediate */ FALSE, 3662 /* sense_len */ SSD_FULL_SIZE, 3663 /* timeout */ 50000); 3664 3665 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3666 /*sense_flags*/SF_RETRY_UA); 3667 3668 xpt_release_ccb(ccb); 3669 3670 return(error); 3671} 3672 3673static int 3674cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3675{ 3676 struct scsi_set_speed *scsi_cmd; 3677 struct ccb_scsiio *csio; 3678 union ccb *ccb; 3679 int error; 3680 3681 error = 0; 3682 ccb = cdgetccb(periph, /* priority */ 1); 3683 csio = &ccb->csio; 3684 3685 /* Preserve old behavior: units in multiples of CDROM speed */ 3686 if (rdspeed < 177) 3687 rdspeed *= 177; 3688 if (wrspeed < 177) 3689 wrspeed *= 177; 3690 3691 cam_fill_csio(csio, 3692 /* retries */ 1, 3693 /* cbfcnp */ cddone, 3694 /* flags */ CAM_DIR_NONE, 3695 /* tag_action */ MSG_SIMPLE_Q_TAG, 3696 /* data_ptr */ NULL, 3697 /* dxfer_len */ 0, 3698 /* sense_len */ SSD_FULL_SIZE, 3699 sizeof(struct scsi_set_speed), 3700 /* timeout */ 50000); 3701 3702 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3703 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3704 3705 scsi_cmd->opcode = SET_CD_SPEED; 3706 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3707 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3708 3709 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3710 /*sense_flags*/SF_RETRY_UA); 3711 3712 xpt_release_ccb(ccb); 3713 3714 return(error); 3715} 3716 3717static int 3718cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3719{ 3720 union ccb *ccb; 3721 u_int8_t *databuf; 3722 u_int32_t lba; 3723 int error; 3724 int length; 3725 3726 error = 0; 3727 databuf = NULL; 3728 lba = 0; 3729 3730 ccb = cdgetccb(periph, /* priority */ 1); 3731 3732 switch (authinfo->format) { 3733 case DVD_REPORT_AGID: 3734 length = sizeof(struct scsi_report_key_data_agid); 3735 break; 3736 case DVD_REPORT_CHALLENGE: 3737 length = sizeof(struct scsi_report_key_data_challenge); 3738 break; 3739 case DVD_REPORT_KEY1: 3740 length = sizeof(struct scsi_report_key_data_key1_key2); 3741 break; 3742 case DVD_REPORT_TITLE_KEY: 3743 length = sizeof(struct scsi_report_key_data_title); 3744 /* The lba field is only set for the title key */ 3745 lba = authinfo->lba; 3746 break; 3747 case DVD_REPORT_ASF: 3748 length = sizeof(struct scsi_report_key_data_asf); 3749 break; 3750 case DVD_REPORT_RPC: 3751 length = sizeof(struct scsi_report_key_data_rpc); 3752 break; 3753 case DVD_INVALIDATE_AGID: 3754 length = 0; 3755 break; 3756 default: 3757 error = EINVAL; 3758 goto bailout; 3759 break; /* NOTREACHED */ 3760 } 3761 3762 if (length != 0) { 3763 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3764 } else 3765 databuf = NULL; 3766 3767 3768 scsi_report_key(&ccb->csio, 3769 /* retries */ 1, 3770 /* cbfcnp */ cddone, 3771 /* tag_action */ MSG_SIMPLE_Q_TAG, 3772 /* lba */ lba, 3773 /* agid */ authinfo->agid, 3774 /* key_format */ authinfo->format, 3775 /* data_ptr */ databuf, 3776 /* dxfer_len */ length, 3777 /* sense_len */ SSD_FULL_SIZE, 3778 /* timeout */ 50000); 3779 3780 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3781 /*sense_flags*/SF_RETRY_UA); 3782 3783 if (error != 0) 3784 goto bailout; 3785 3786 if (ccb->csio.resid != 0) { 3787 xpt_print(periph->path, "warning, residual for report key " 3788 "command is %d\n", ccb->csio.resid); 3789 } 3790 3791 switch(authinfo->format) { 3792 case DVD_REPORT_AGID: { 3793 struct scsi_report_key_data_agid *agid_data; 3794 3795 agid_data = (struct scsi_report_key_data_agid *)databuf; 3796 3797 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3798 RKD_AGID_SHIFT; 3799 break; 3800 } 3801 case DVD_REPORT_CHALLENGE: { 3802 struct scsi_report_key_data_challenge *chal_data; 3803 3804 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3805 3806 bcopy(chal_data->challenge_key, authinfo->keychal, 3807 min(sizeof(chal_data->challenge_key), 3808 sizeof(authinfo->keychal))); 3809 break; 3810 } 3811 case DVD_REPORT_KEY1: { 3812 struct scsi_report_key_data_key1_key2 *key1_data; 3813 3814 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3815 3816 bcopy(key1_data->key1, authinfo->keychal, 3817 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3818 break; 3819 } 3820 case DVD_REPORT_TITLE_KEY: { 3821 struct scsi_report_key_data_title *title_data; 3822 3823 title_data = (struct scsi_report_key_data_title *)databuf; 3824 3825 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3826 RKD_TITLE_CPM_SHIFT; 3827 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3828 RKD_TITLE_CP_SEC_SHIFT; 3829 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3830 RKD_TITLE_CMGS_SHIFT; 3831 bcopy(title_data->title_key, authinfo->keychal, 3832 min(sizeof(title_data->title_key), 3833 sizeof(authinfo->keychal))); 3834 break; 3835 } 3836 case DVD_REPORT_ASF: { 3837 struct scsi_report_key_data_asf *asf_data; 3838 3839 asf_data = (struct scsi_report_key_data_asf *)databuf; 3840 3841 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3842 break; 3843 } 3844 case DVD_REPORT_RPC: { 3845 struct scsi_report_key_data_rpc *rpc_data; 3846 3847 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3848 3849 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3850 RKD_RPC_TYPE_SHIFT; 3851 authinfo->vend_rsts = 3852 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3853 RKD_RPC_VENDOR_RESET_SHIFT; 3854 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3855 authinfo->region = rpc_data->region_mask; 3856 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3857 break; 3858 } 3859 case DVD_INVALIDATE_AGID: 3860 break; 3861 default: 3862 /* This should be impossible, since we checked above */ 3863 error = EINVAL; 3864 goto bailout; 3865 break; /* NOTREACHED */ 3866 } 3867bailout: 3868 if (databuf != NULL) 3869 free(databuf, M_DEVBUF); 3870 3871 xpt_release_ccb(ccb); 3872 3873 return(error); 3874} 3875 3876static int 3877cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3878{ 3879 union ccb *ccb; 3880 u_int8_t *databuf; 3881 int length; 3882 int error; 3883 3884 error = 0; 3885 databuf = NULL; 3886 3887 ccb = cdgetccb(periph, /* priority */ 1); 3888 3889 switch(authinfo->format) { 3890 case DVD_SEND_CHALLENGE: { 3891 struct scsi_report_key_data_challenge *challenge_data; 3892 3893 length = sizeof(*challenge_data); 3894 3895 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3896 3897 databuf = (u_int8_t *)challenge_data; 3898 3899 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3900 challenge_data->data_len); 3901 3902 bcopy(authinfo->keychal, challenge_data->challenge_key, 3903 min(sizeof(authinfo->keychal), 3904 sizeof(challenge_data->challenge_key))); 3905 break; 3906 } 3907 case DVD_SEND_KEY2: { 3908 struct scsi_report_key_data_key1_key2 *key2_data; 3909 3910 length = sizeof(*key2_data); 3911 3912 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3913 3914 databuf = (u_int8_t *)key2_data; 3915 3916 scsi_ulto2b(length - sizeof(key2_data->data_len), 3917 key2_data->data_len); 3918 3919 bcopy(authinfo->keychal, key2_data->key1, 3920 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3921 3922 break; 3923 } 3924 case DVD_SEND_RPC: { 3925 struct scsi_send_key_data_rpc *rpc_data; 3926 3927 length = sizeof(*rpc_data); 3928 3929 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3930 3931 databuf = (u_int8_t *)rpc_data; 3932 3933 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3934 rpc_data->data_len); 3935 3936 rpc_data->region_code = authinfo->region; 3937 break; 3938 } 3939 default: 3940 error = EINVAL; 3941 goto bailout; 3942 break; /* NOTREACHED */ 3943 } 3944 3945 scsi_send_key(&ccb->csio, 3946 /* retries */ 1, 3947 /* cbfcnp */ cddone, 3948 /* tag_action */ MSG_SIMPLE_Q_TAG, 3949 /* agid */ authinfo->agid, 3950 /* key_format */ authinfo->format, 3951 /* data_ptr */ databuf, 3952 /* dxfer_len */ length, 3953 /* sense_len */ SSD_FULL_SIZE, 3954 /* timeout */ 50000); 3955 3956 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3957 /*sense_flags*/SF_RETRY_UA); 3958 3959bailout: 3960 3961 if (databuf != NULL) 3962 free(databuf, M_DEVBUF); 3963 3964 xpt_release_ccb(ccb); 3965 3966 return(error); 3967} 3968 3969static int 3970cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3971{ 3972 union ccb *ccb; 3973 u_int8_t *databuf; 3974 u_int32_t address; 3975 int error; 3976 int length; 3977 3978 error = 0; 3979 databuf = NULL; 3980 /* The address is reserved for many of the formats */ 3981 address = 0; 3982 3983 ccb = cdgetccb(periph, /* priority */ 1); 3984 3985 switch(dvdstruct->format) { 3986 case DVD_STRUCT_PHYSICAL: 3987 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3988 break; 3989 case DVD_STRUCT_COPYRIGHT: 3990 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3991 break; 3992 case DVD_STRUCT_DISCKEY: 3993 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3994 break; 3995 case DVD_STRUCT_BCA: 3996 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3997 break; 3998 case DVD_STRUCT_MANUFACT: 3999 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4000 break; 4001 case DVD_STRUCT_CMI: 4002 error = ENODEV; 4003 goto bailout; 4004#ifdef notyet 4005 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4006 address = dvdstruct->address; 4007#endif 4008 break; /* NOTREACHED */ 4009 case DVD_STRUCT_PROTDISCID: 4010 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4011 break; 4012 case DVD_STRUCT_DISCKEYBLOCK: 4013 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4014 break; 4015 case DVD_STRUCT_DDS: 4016 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4017 break; 4018 case DVD_STRUCT_MEDIUM_STAT: 4019 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4020 break; 4021 case DVD_STRUCT_SPARE_AREA: 4022 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4023 break; 4024 case DVD_STRUCT_RMD_LAST: 4025 error = ENODEV; 4026 goto bailout; 4027#ifdef notyet 4028 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4029 address = dvdstruct->address; 4030#endif 4031 break; /* NOTREACHED */ 4032 case DVD_STRUCT_RMD_RMA: 4033 error = ENODEV; 4034 goto bailout; 4035#ifdef notyet 4036 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4037 address = dvdstruct->address; 4038#endif 4039 break; /* NOTREACHED */ 4040 case DVD_STRUCT_PRERECORDED: 4041 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4042 break; 4043 case DVD_STRUCT_UNIQUEID: 4044 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4045 break; 4046 case DVD_STRUCT_DCB: 4047 error = ENODEV; 4048 goto bailout; 4049#ifdef notyet 4050 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4051 address = dvdstruct->address; 4052#endif 4053 break; /* NOTREACHED */ 4054 case DVD_STRUCT_LIST: 4055 /* 4056 * This is the maximum allocation length for the READ DVD 4057 * STRUCTURE command. There's nothing in the MMC3 spec 4058 * that indicates a limit in the amount of data that can 4059 * be returned from this call, other than the limits 4060 * imposed by the 2-byte length variables. 4061 */ 4062 length = 65535; 4063 break; 4064 default: 4065 error = EINVAL; 4066 goto bailout; 4067 break; /* NOTREACHED */ 4068 } 4069 4070 if (length != 0) { 4071 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4072 } else 4073 databuf = NULL; 4074 4075 scsi_read_dvd_structure(&ccb->csio, 4076 /* retries */ 1, 4077 /* cbfcnp */ cddone, 4078 /* tag_action */ MSG_SIMPLE_Q_TAG, 4079 /* lba */ address, 4080 /* layer_number */ dvdstruct->layer_num, 4081 /* key_format */ dvdstruct->format, 4082 /* agid */ dvdstruct->agid, 4083 /* data_ptr */ databuf, 4084 /* dxfer_len */ length, 4085 /* sense_len */ SSD_FULL_SIZE, 4086 /* timeout */ 50000); 4087 4088 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4089 /*sense_flags*/SF_RETRY_UA); 4090 4091 if (error != 0) 4092 goto bailout; 4093 4094 switch(dvdstruct->format) { 4095 case DVD_STRUCT_PHYSICAL: { 4096 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4097 struct dvd_layer *outlayer; 4098 struct scsi_read_dvd_struct_data_physical *phys_data; 4099 4100 phys_data = 4101 (struct scsi_read_dvd_struct_data_physical *)databuf; 4102 inlayer = &phys_data->layer_desc; 4103 outlayer = (struct dvd_layer *)&dvdstruct->data; 4104 4105 dvdstruct->length = sizeof(*inlayer); 4106 4107 outlayer->book_type = (inlayer->book_type_version & 4108 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4109 outlayer->book_version = (inlayer->book_type_version & 4110 RDSD_BOOK_VERSION_MASK); 4111 outlayer->disc_size = (inlayer->disc_size_max_rate & 4112 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4113 outlayer->max_rate = (inlayer->disc_size_max_rate & 4114 RDSD_MAX_RATE_MASK); 4115 outlayer->nlayers = (inlayer->layer_info & 4116 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4117 outlayer->track_path = (inlayer->layer_info & 4118 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4119 outlayer->layer_type = (inlayer->layer_info & 4120 RDSD_LAYER_TYPE_MASK); 4121 outlayer->linear_density = (inlayer->density & 4122 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4123 outlayer->track_density = (inlayer->density & 4124 RDSD_TRACK_DENSITY_MASK); 4125 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4126 RDSD_BCA_SHIFT; 4127 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4128 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4129 outlayer->end_sector_l0 = 4130 scsi_3btoul(inlayer->end_sector_layer0); 4131 break; 4132 } 4133 case DVD_STRUCT_COPYRIGHT: { 4134 struct scsi_read_dvd_struct_data_copyright *copy_data; 4135 4136 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4137 databuf; 4138 4139 dvdstruct->cpst = copy_data->cps_type; 4140 dvdstruct->rmi = copy_data->region_info; 4141 dvdstruct->length = 0; 4142 4143 break; 4144 } 4145 default: 4146 /* 4147 * Tell the user what the overall length is, no matter 4148 * what we can actually fit in the data buffer. 4149 */ 4150 dvdstruct->length = length - ccb->csio.resid - 4151 sizeof(struct scsi_read_dvd_struct_data_header); 4152 4153 /* 4154 * But only actually copy out the smaller of what we read 4155 * in or what the structure can take. 4156 */ 4157 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4158 dvdstruct->data, 4159 min(sizeof(dvdstruct->data), dvdstruct->length)); 4160 break; 4161 } 4162bailout: 4163 4164 if (databuf != NULL) 4165 free(databuf, M_DEVBUF); 4166 4167 xpt_release_ccb(ccb); 4168 4169 return(error); 4170} 4171 4172void 4173scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4174 void (*cbfcnp)(struct cam_periph *, union ccb *), 4175 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4176 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4177 u_int8_t sense_len, u_int32_t timeout) 4178{ 4179 struct scsi_report_key *scsi_cmd; 4180 4181 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4182 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4183 scsi_cmd->opcode = REPORT_KEY; 4184 scsi_ulto4b(lba, scsi_cmd->lba); 4185 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4186 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4187 (key_format & RK_KF_KEYFORMAT_MASK); 4188 4189 cam_fill_csio(csio, 4190 retries, 4191 cbfcnp, 4192 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4193 tag_action, 4194 /*data_ptr*/ data_ptr, 4195 /*dxfer_len*/ dxfer_len, 4196 sense_len, 4197 sizeof(*scsi_cmd), 4198 timeout); 4199} 4200 4201void 4202scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4203 void (*cbfcnp)(struct cam_periph *, union ccb *), 4204 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4205 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4206 u_int32_t timeout) 4207{ 4208 struct scsi_send_key *scsi_cmd; 4209 4210 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4211 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4212 scsi_cmd->opcode = SEND_KEY; 4213 4214 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4215 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4216 (key_format & RK_KF_KEYFORMAT_MASK); 4217 4218 cam_fill_csio(csio, 4219 retries, 4220 cbfcnp, 4221 /*flags*/ CAM_DIR_OUT, 4222 tag_action, 4223 /*data_ptr*/ data_ptr, 4224 /*dxfer_len*/ dxfer_len, 4225 sense_len, 4226 sizeof(*scsi_cmd), 4227 timeout); 4228} 4229 4230 4231void 4232scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4233 void (*cbfcnp)(struct cam_periph *, union ccb *), 4234 u_int8_t tag_action, u_int32_t address, 4235 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4236 u_int8_t *data_ptr, u_int32_t dxfer_len, 4237 u_int8_t sense_len, u_int32_t timeout) 4238{ 4239 struct scsi_read_dvd_structure *scsi_cmd; 4240 4241 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4242 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4243 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4244 4245 scsi_ulto4b(address, scsi_cmd->address); 4246 scsi_cmd->layer_number = layer_number; 4247 scsi_cmd->format = format; 4248 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4249 /* The AGID is the top two bits of this byte */ 4250 scsi_cmd->agid = agid << 6; 4251 4252 cam_fill_csio(csio, 4253 retries, 4254 cbfcnp, 4255 /*flags*/ CAM_DIR_IN, 4256 tag_action, 4257 /*data_ptr*/ data_ptr, 4258 /*dxfer_len*/ dxfer_len, 4259 sense_len, 4260 sizeof(*scsi_cmd), 4261 timeout); 4262} 4263