scsi_cd.c revision 196969
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 196969 2009-09-08 13:16:55Z phk $"); 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 (cgd->protocol != PROTO_SCSI) 500 break; 501 502 if (SID_TYPE(&cgd->inq_data) != T_CDROM 503 && SID_TYPE(&cgd->inq_data) != T_WORM) 504 break; 505 506 /* 507 * Allocate a peripheral instance for 508 * this device and start the probe 509 * process. 510 */ 511 status = cam_periph_alloc(cdregister, cdoninvalidate, 512 cdcleanup, cdstart, 513 "cd", CAM_PERIPH_BIO, 514 cgd->ccb_h.path, cdasync, 515 AC_FOUND_DEVICE, cgd); 516 517 if (status != CAM_REQ_CMP 518 && status != CAM_REQ_INPROG) 519 printf("cdasync: Unable to attach new device " 520 "due to status 0x%x\n", status); 521 522 break; 523 } 524 case AC_SENT_BDR: 525 case AC_BUS_RESET: 526 { 527 struct cd_softc *softc; 528 struct ccb_hdr *ccbh; 529 530 softc = (struct cd_softc *)periph->softc; 531 /* 532 * Don't fail on the expected unit attention 533 * that will occur. 534 */ 535 softc->flags |= CD_FLAG_RETRY_UA; 536 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 537 ccbh->ccb_state |= CD_CCB_RETRY_UA; 538 /* FALLTHROUGH */ 539 } 540 default: 541 cam_periph_async(periph, code, path, arg); 542 break; 543 } 544} 545 546static void 547cdsysctlinit(void *context, int pending) 548{ 549 struct cam_periph *periph; 550 struct cd_softc *softc; 551 char tmpstr[80], tmpstr2[80]; 552 553 periph = (struct cam_periph *)context; 554 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 555 return; 556 557 softc = (struct cd_softc *)periph->softc; 558 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 559 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 560 561 sysctl_ctx_init(&softc->sysctl_ctx); 562 softc->flags |= CD_FLAG_SCTX_INIT; 563 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 564 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 565 tmpstr2, CTLFLAG_RD, 0, tmpstr); 566 567 if (softc->sysctl_tree == NULL) { 568 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 569 cam_periph_release(periph); 570 return; 571 } 572 573 /* 574 * Now register the sysctl handler, so the user can the value on 575 * the fly. 576 */ 577 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 578 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 579 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 580 "Minimum CDB size"); 581 582 cam_periph_release(periph); 583} 584 585/* 586 * We have a handler function for this so we can check the values when the 587 * user sets them, instead of every time we look at them. 588 */ 589static int 590cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 591{ 592 int error, value; 593 594 value = *(int *)arg1; 595 596 error = sysctl_handle_int(oidp, &value, 0, req); 597 598 if ((error != 0) 599 || (req->newptr == NULL)) 600 return (error); 601 602 /* 603 * The only real values we can have here are 6 or 10. I don't 604 * really forsee having 12 be an option at any time in the future. 605 * So if the user sets something less than or equal to 6, we'll set 606 * it to 6. If he sets something greater than 6, we'll set it to 10. 607 * 608 * I suppose we could just return an error here for the wrong values, 609 * but I don't think it's necessary to do so, as long as we can 610 * determine the user's intent without too much trouble. 611 */ 612 if (value < 6) 613 value = 6; 614 else if (value > 6) 615 value = 10; 616 617 *(int *)arg1 = value; 618 619 return (0); 620} 621 622static cam_status 623cdregister(struct cam_periph *periph, void *arg) 624{ 625 struct cd_softc *softc; 626 struct ccb_pathinq cpi; 627 struct ccb_getdev *cgd; 628 char tmpstr[80]; 629 caddr_t match; 630 631 cgd = (struct ccb_getdev *)arg; 632 if (periph == NULL) { 633 printf("cdregister: periph was NULL!!\n"); 634 return(CAM_REQ_CMP_ERR); 635 } 636 if (cgd == NULL) { 637 printf("cdregister: no getdev CCB, can't register device\n"); 638 return(CAM_REQ_CMP_ERR); 639 } 640 641 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 642 643 if (softc == NULL) { 644 printf("cdregister: Unable to probe new device. " 645 "Unable to allocate softc\n"); 646 return(CAM_REQ_CMP_ERR); 647 } 648 649 bzero(softc, sizeof(*softc)); 650 LIST_INIT(&softc->pending_ccbs); 651 STAILQ_INIT(&softc->mode_queue); 652 softc->state = CD_STATE_PROBE; 653 bioq_init(&softc->bio_queue); 654 if (SID_IS_REMOVABLE(&cgd->inq_data)) 655 softc->flags |= CD_FLAG_DISC_REMOVABLE; 656 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 657 softc->flags |= CD_FLAG_TAGGED_QUEUING; 658 659 periph->softc = softc; 660 softc->periph = periph; 661 662 /* 663 * See if this device has any quirks. 664 */ 665 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 666 (caddr_t)cd_quirk_table, 667 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 668 sizeof(*cd_quirk_table), scsi_inquiry_match); 669 670 if (match != NULL) 671 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 672 else 673 softc->quirks = CD_Q_NONE; 674 675 /* Check if the SIM does not want 6 byte commands */ 676 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 677 cpi.ccb_h.func_code = XPT_PATH_INQ; 678 xpt_action((union ccb *)&cpi); 679 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 680 softc->quirks |= CD_Q_10_BYTE_ONLY; 681 682 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 683 684 /* The default is 6 byte commands, unless quirked otherwise */ 685 if (softc->quirks & CD_Q_10_BYTE_ONLY) 686 softc->minimum_command_size = 10; 687 else 688 softc->minimum_command_size = 6; 689 690 /* 691 * Load the user's default, if any. 692 */ 693 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 694 periph->unit_number); 695 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 696 697 /* 6 and 10 are the only permissible values here. */ 698 if (softc->minimum_command_size < 6) 699 softc->minimum_command_size = 6; 700 else if (softc->minimum_command_size > 6) 701 softc->minimum_command_size = 10; 702 703 /* 704 * We need to register the statistics structure for this device, 705 * but we don't have the blocksize yet for it. So, we register 706 * the structure and indicate that we don't have the blocksize 707 * yet. Unlike other SCSI peripheral drivers, we explicitly set 708 * the device type here to be CDROM, rather than just ORing in 709 * the device type. This is because this driver can attach to either 710 * CDROM or WORM devices, and we want this peripheral driver to 711 * show up in the devstat list as a CD peripheral driver, not a 712 * WORM peripheral driver. WORM drives will also have the WORM 713 * driver attached to them. 714 */ 715 cam_periph_unlock(periph); 716 softc->disk = disk_alloc(); 717 softc->disk->d_devstat = devstat_new_entry("cd", 718 periph->unit_number, 0, 719 DEVSTAT_BS_UNAVAILABLE, 720 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 721 DEVSTAT_PRIORITY_CD); 722 softc->disk->d_open = cdopen; 723 softc->disk->d_close = cdclose; 724 softc->disk->d_strategy = cdstrategy; 725 softc->disk->d_ioctl = cdioctl; 726 softc->disk->d_name = "cd"; 727 softc->disk->d_unit = periph->unit_number; 728 softc->disk->d_drv1 = periph; 729 softc->disk->d_flags = 0; 730 disk_create(softc->disk, DISK_VERSION); 731 cam_periph_lock(periph); 732 733 /* 734 * Add an async callback so that we get 735 * notified if this device goes away. 736 */ 737 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 738 cdasync, periph, periph->path); 739 740 /* 741 * If the target lun is greater than 0, we most likely have a CD 742 * changer device. Check the quirk entries as well, though, just 743 * in case someone has a CD tower with one lun per drive or 744 * something like that. Also, if we know up front that a 745 * particular device is a changer, we can mark it as such starting 746 * with lun 0, instead of lun 1. It shouldn't be necessary to have 747 * a quirk entry to define something as a changer, however. 748 */ 749 if (((cgd->ccb_h.target_lun > 0) 750 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 751 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 752 struct cdchanger *nchanger; 753 struct cam_periph *nperiph; 754 struct cam_path *path; 755 cam_status status; 756 int found; 757 758 /* Set the changer flag in the current device's softc */ 759 softc->flags |= CD_FLAG_CHANGER; 760 761 /* 762 * Now, look around for an existing changer device with the 763 * same path and target ID as the current device. 764 */ 765 mtx_lock(&changerq_mtx); 766 for (found = 0, 767 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 768 nchanger != NULL; 769 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 770 if ((nchanger->path_id == cgd->ccb_h.path_id) 771 && (nchanger->target_id == cgd->ccb_h.target_id)) { 772 found = 1; 773 break; 774 } 775 } 776 mtx_unlock(&changerq_mtx); 777 778 /* 779 * If we found a matching entry, just add this device to 780 * the list of devices on this changer. 781 */ 782 if (found == 1) { 783 struct chdevlist *chlunhead; 784 785 chlunhead = &nchanger->chluns; 786 787 /* 788 * XXX KDM look at consolidating this code with the 789 * code below in a separate function. 790 */ 791 792 /* 793 * Create a path with lun id 0, and see if we can 794 * find a matching device 795 */ 796 status = xpt_create_path(&path, /*periph*/ periph, 797 cgd->ccb_h.path_id, 798 cgd->ccb_h.target_id, 0); 799 800 if ((status == CAM_REQ_CMP) 801 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 802 struct cd_softc *nsoftc; 803 804 nsoftc = (struct cd_softc *)nperiph->softc; 805 806 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 807 nsoftc->flags |= CD_FLAG_CHANGER; 808 nchanger->num_devices++; 809 if (camq_resize(&nchanger->devq, 810 nchanger->num_devices)!=CAM_REQ_CMP){ 811 printf("cdregister: " 812 "camq_resize " 813 "failed, changer " 814 "support may " 815 "be messed up\n"); 816 } 817 nsoftc->changer = nchanger; 818 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 819 820 STAILQ_INSERT_TAIL(&nchanger->chluns, 821 nsoftc,changer_links); 822 } 823 xpt_free_path(path); 824 } else if (status == CAM_REQ_CMP) 825 xpt_free_path(path); 826 else { 827 printf("cdregister: unable to allocate path\n" 828 "cdregister: changer support may be " 829 "broken\n"); 830 } 831 832 nchanger->num_devices++; 833 834 softc->changer = nchanger; 835 softc->pinfo.index = CAM_UNQUEUED_INDEX; 836 837 if (camq_resize(&nchanger->devq, 838 nchanger->num_devices) != CAM_REQ_CMP) { 839 printf("cdregister: camq_resize " 840 "failed, changer support may " 841 "be messed up\n"); 842 } 843 844 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 845 } 846 /* 847 * In this case, we don't already have an entry for this 848 * particular changer, so we need to create one, add it to 849 * the queue, and queue this device on the list for this 850 * changer. Before we queue this device, however, we need 851 * to search for lun id 0 on this target, and add it to the 852 * queue first, if it exists. (and if it hasn't already 853 * been marked as part of the changer.) 854 */ 855 else { 856 nchanger = malloc(sizeof(struct cdchanger), 857 M_DEVBUF, M_NOWAIT); 858 859 if (nchanger == NULL) { 860 softc->flags &= ~CD_FLAG_CHANGER; 861 printf("cdregister: unable to malloc " 862 "changer structure\ncdregister: " 863 "changer support disabled\n"); 864 865 /* 866 * Yes, gotos can be gross but in this case 867 * I think it's justified.. 868 */ 869 goto cdregisterexit; 870 } 871 872 /* zero the structure */ 873 bzero(nchanger, sizeof(struct cdchanger)); 874 875 if (camq_init(&nchanger->devq, 1) != 0) { 876 softc->flags &= ~CD_FLAG_CHANGER; 877 printf("cdregister: changer support " 878 "disabled\n"); 879 goto cdregisterexit; 880 } 881 882 nchanger->path_id = cgd->ccb_h.path_id; 883 nchanger->target_id = cgd->ccb_h.target_id; 884 885 /* this is superfluous, but it makes things clearer */ 886 nchanger->num_devices = 0; 887 888 STAILQ_INIT(&nchanger->chluns); 889 890 callout_init_mtx(&nchanger->long_handle, 891 periph->sim->mtx, 0); 892 callout_init_mtx(&nchanger->short_handle, 893 periph->sim->mtx, 0); 894 895 mtx_lock(&changerq_mtx); 896 num_changers++; 897 STAILQ_INSERT_TAIL(&changerq, nchanger, 898 changer_links); 899 mtx_unlock(&changerq_mtx); 900 901 /* 902 * Create a path with lun id 0, and see if we can 903 * find a matching device 904 */ 905 status = xpt_create_path(&path, /*periph*/ periph, 906 cgd->ccb_h.path_id, 907 cgd->ccb_h.target_id, 0); 908 909 /* 910 * If we were able to allocate the path, and if we 911 * find a matching device and it isn't already 912 * marked as part of a changer, then we add it to 913 * the current changer. 914 */ 915 if ((status == CAM_REQ_CMP) 916 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 917 && ((((struct cd_softc *)periph->softc)->flags & 918 CD_FLAG_CHANGER) == 0)) { 919 struct cd_softc *nsoftc; 920 921 nsoftc = (struct cd_softc *)nperiph->softc; 922 923 nsoftc->flags |= CD_FLAG_CHANGER; 924 nchanger->num_devices++; 925 if (camq_resize(&nchanger->devq, 926 nchanger->num_devices) != CAM_REQ_CMP) { 927 printf("cdregister: camq_resize " 928 "failed, changer support may " 929 "be messed up\n"); 930 } 931 nsoftc->changer = nchanger; 932 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 933 934 STAILQ_INSERT_TAIL(&nchanger->chluns, 935 nsoftc, changer_links); 936 xpt_free_path(path); 937 } else if (status == CAM_REQ_CMP) 938 xpt_free_path(path); 939 else { 940 printf("cdregister: unable to allocate path\n" 941 "cdregister: changer support may be " 942 "broken\n"); 943 } 944 945 softc->changer = nchanger; 946 softc->pinfo.index = CAM_UNQUEUED_INDEX; 947 nchanger->num_devices++; 948 if (camq_resize(&nchanger->devq, 949 nchanger->num_devices) != CAM_REQ_CMP) { 950 printf("cdregister: camq_resize " 951 "failed, changer support may " 952 "be messed up\n"); 953 } 954 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 955 changer_links); 956 } 957 } 958 959cdregisterexit: 960 961 /* 962 * Refcount and block open attempts until we are setup 963 * Can't block 964 */ 965 (void)cam_periph_hold(periph, PRIBIO); 966 967 if ((softc->flags & CD_FLAG_CHANGER) == 0) 968 xpt_schedule(periph, /*priority*/5); 969 else 970 cdschedule(periph, /*priority*/ 5); 971 972 return(CAM_REQ_CMP); 973} 974 975static int 976cdopen(struct disk *dp) 977{ 978 struct cam_periph *periph; 979 struct cd_softc *softc; 980 int error; 981 982 periph = (struct cam_periph *)dp->d_drv1; 983 if (periph == NULL) 984 return (ENXIO); 985 986 softc = (struct cd_softc *)periph->softc; 987 988 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 989 return(ENXIO); 990 991 cam_periph_lock(periph); 992 993 if (softc->flags & CD_FLAG_INVALID) { 994 cam_periph_unlock(periph); 995 cam_periph_release(periph); 996 return(ENXIO); 997 } 998 999 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1000 cam_periph_unlock(periph); 1001 cam_periph_release(periph); 1002 return (error); 1003 } 1004 1005 /* 1006 * Check for media, and set the appropriate flags. We don't bail 1007 * if we don't have media, but then we don't allow anything but the 1008 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1009 */ 1010 cdcheckmedia(periph); 1011 1012 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1013 cam_periph_unhold(periph); 1014 1015 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1016 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1017 softc->flags |= CD_FLAG_OPEN; 1018 cam_periph_unlock(periph); 1019 } else { 1020 cam_periph_unlock(periph); 1021 cam_periph_release(periph); 1022 } 1023 1024 return (0); 1025} 1026 1027static int 1028cdclose(struct disk *dp) 1029{ 1030 struct cam_periph *periph; 1031 struct cd_softc *softc; 1032 1033 periph = (struct cam_periph *)dp->d_drv1; 1034 if (periph == NULL) 1035 return (ENXIO); 1036 1037 softc = (struct cd_softc *)periph->softc; 1038 1039 cam_periph_lock(periph); 1040 cam_periph_hold(periph, PRIBIO); 1041 1042 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1043 cdprevent(periph, PR_ALLOW); 1044 1045 /* 1046 * Since we're closing this CD, mark the blocksize as unavailable. 1047 * It will be marked as available when the CD is opened again. 1048 */ 1049 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1050 1051 /* 1052 * We'll check the media and toc again at the next open(). 1053 */ 1054 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1055 1056 cam_periph_unhold(periph); 1057 cam_periph_unlock(periph); 1058 cam_periph_release(periph); 1059 1060 return (0); 1061} 1062 1063static void 1064cdshorttimeout(void *arg) 1065{ 1066 struct cdchanger *changer; 1067 1068 changer = (struct cdchanger *)arg; 1069 1070 /* Always clear the short timeout flag, since that's what we're in */ 1071 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1072 1073 /* 1074 * Check to see if there is any more pending or outstanding I/O for 1075 * this device. If not, move it out of the active slot. 1076 */ 1077 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1078 && (changer->cur_device->outstanding_cmds == 0)) { 1079 changer->flags |= CHANGER_MANUAL_CALL; 1080 cdrunchangerqueue(changer); 1081 } 1082} 1083 1084/* 1085 * This is a wrapper for xpt_schedule. It only applies to changers. 1086 */ 1087static void 1088cdschedule(struct cam_periph *periph, int priority) 1089{ 1090 struct cd_softc *softc; 1091 1092 softc = (struct cd_softc *)periph->softc; 1093 1094 /* 1095 * If this device isn't currently queued, and if it isn't 1096 * the active device, then we queue this device and run the 1097 * changer queue if there is no timeout scheduled to do it. 1098 * If this device is the active device, just schedule it 1099 * to run again. If this device is queued, there should be 1100 * a timeout in place already that will make sure it runs. 1101 */ 1102 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1103 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1104 /* 1105 * We don't do anything with the priority here. 1106 * This is strictly a fifo queue. 1107 */ 1108 softc->pinfo.priority = 1; 1109 softc->pinfo.generation = ++softc->changer->devq.generation; 1110 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1111 1112 /* 1113 * Since we just put a device in the changer queue, 1114 * check and see if there is a timeout scheduled for 1115 * this changer. If so, let the timeout handle 1116 * switching this device into the active slot. If 1117 * not, manually call the timeout routine to 1118 * bootstrap things. 1119 */ 1120 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1121 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1122 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1123 softc->changer->flags |= CHANGER_MANUAL_CALL; 1124 cdrunchangerqueue(softc->changer); 1125 } 1126 } else if ((softc->flags & CD_FLAG_ACTIVE) 1127 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1128 xpt_schedule(periph, priority); 1129} 1130 1131static void 1132cdrunchangerqueue(void *arg) 1133{ 1134 struct cd_softc *softc; 1135 struct cdchanger *changer; 1136 int called_from_timeout; 1137 1138 changer = (struct cdchanger *)arg; 1139 1140 /* 1141 * If we have NOT been called from cdstrategy() or cddone(), and 1142 * instead from a timeout routine, go ahead and clear the 1143 * timeout flag. 1144 */ 1145 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1146 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1147 called_from_timeout = 1; 1148 } else 1149 called_from_timeout = 0; 1150 1151 /* Always clear the manual call flag */ 1152 changer->flags &= ~CHANGER_MANUAL_CALL; 1153 1154 /* nothing to do if the queue is empty */ 1155 if (changer->devq.entries <= 0) { 1156 return; 1157 } 1158 1159 /* 1160 * If the changer queue is frozen, that means we have an active 1161 * device. 1162 */ 1163 if (changer->devq.qfrozen_cnt > 0) { 1164 1165 /* 1166 * We always need to reset the frozen count and clear the 1167 * active flag. 1168 */ 1169 changer->devq.qfrozen_cnt--; 1170 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1171 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1172 1173 if (changer->cur_device->outstanding_cmds > 0) { 1174 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1175 changer->cur_device->bufs_left = 1176 changer->cur_device->outstanding_cmds; 1177 if (called_from_timeout) { 1178 callout_reset(&changer->long_handle, 1179 changer_max_busy_seconds * hz, 1180 cdrunchangerqueue, changer); 1181 changer->flags |= CHANGER_TIMEOUT_SCHED; 1182 } 1183 return; 1184 } 1185 1186 /* 1187 * Check to see whether the current device has any I/O left 1188 * to do. If so, requeue it at the end of the queue. If 1189 * not, there is no need to requeue it. 1190 */ 1191 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1192 1193 changer->cur_device->pinfo.generation = 1194 ++changer->devq.generation; 1195 camq_insert(&changer->devq, 1196 (cam_pinfo *)changer->cur_device); 1197 } 1198 } 1199 1200 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1201 1202 changer->cur_device = softc; 1203 1204 changer->devq.qfrozen_cnt++; 1205 softc->flags |= CD_FLAG_ACTIVE; 1206 1207 /* Just in case this device is waiting */ 1208 wakeup(&softc->changer); 1209 xpt_schedule(softc->periph, /*priority*/ 1); 1210 1211 /* 1212 * Get rid of any pending timeouts, and set a flag to schedule new 1213 * ones so this device gets its full time quantum. 1214 */ 1215 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1216 callout_stop(&changer->long_handle); 1217 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1218 } 1219 1220 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1221 callout_stop(&changer->short_handle); 1222 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1223 } 1224 1225 /* 1226 * We need to schedule timeouts, but we only do this after the 1227 * first transaction has completed. This eliminates the changer 1228 * switch time. 1229 */ 1230 changer->flags |= CHANGER_NEED_TIMEOUT; 1231} 1232 1233static void 1234cdchangerschedule(struct cd_softc *softc) 1235{ 1236 struct cdchanger *changer; 1237 1238 changer = softc->changer; 1239 1240 /* 1241 * If this is a changer, and this is the current device, 1242 * and this device has at least the minimum time quantum to 1243 * run, see if we can switch it out. 1244 */ 1245 if ((softc->flags & CD_FLAG_ACTIVE) 1246 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1247 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1248 /* 1249 * We try three things here. The first is that we 1250 * check to see whether the schedule on completion 1251 * flag is set. If it is, we decrement the number 1252 * of buffers left, and if it's zero, we reschedule. 1253 * Next, we check to see whether the pending buffer 1254 * queue is empty and whether there are no 1255 * outstanding transactions. If so, we reschedule. 1256 * Next, we see if the pending buffer queue is empty. 1257 * If it is, we set the number of buffers left to 1258 * the current active buffer count and set the 1259 * schedule on complete flag. 1260 */ 1261 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1262 if (--softc->bufs_left == 0) { 1263 softc->changer->flags |= 1264 CHANGER_MANUAL_CALL; 1265 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1266 cdrunchangerqueue(softc->changer); 1267 } 1268 } else if ((bioq_first(&softc->bio_queue) == NULL) 1269 && (softc->outstanding_cmds == 0)) { 1270 softc->changer->flags |= CHANGER_MANUAL_CALL; 1271 cdrunchangerqueue(softc->changer); 1272 } 1273 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1274 && (softc->flags & CD_FLAG_ACTIVE)) { 1275 1276 /* 1277 * Now that the first transaction to this 1278 * particular device has completed, we can go ahead 1279 * and schedule our timeouts. 1280 */ 1281 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1282 callout_reset(&changer->long_handle, 1283 changer_max_busy_seconds * hz, 1284 cdrunchangerqueue, changer); 1285 changer->flags |= CHANGER_TIMEOUT_SCHED; 1286 } else 1287 printf("cdchangerschedule: already have a long" 1288 " timeout!\n"); 1289 1290 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1291 callout_reset(&changer->short_handle, 1292 changer_min_busy_seconds * hz, 1293 cdshorttimeout, changer); 1294 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1295 } else 1296 printf("cdchangerschedule: already have a short " 1297 "timeout!\n"); 1298 1299 /* 1300 * We just scheduled timeouts, no need to schedule 1301 * more. 1302 */ 1303 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1304 1305 } 1306} 1307 1308static int 1309cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1310 u_int32_t cam_flags, 1311 u_int32_t sense_flags), 1312 u_int32_t cam_flags, u_int32_t sense_flags) 1313{ 1314 struct cd_softc *softc; 1315 struct cam_periph *periph; 1316 int error; 1317 1318 periph = xpt_path_periph(ccb->ccb_h.path); 1319 softc = (struct cd_softc *)periph->softc; 1320 1321 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1322 softc->disk->d_devstat); 1323 1324 if (softc->flags & CD_FLAG_CHANGER) 1325 cdchangerschedule(softc); 1326 1327 return(error); 1328} 1329 1330static union ccb * 1331cdgetccb(struct cam_periph *periph, u_int32_t priority) 1332{ 1333 struct cd_softc *softc; 1334 1335 softc = (struct cd_softc *)periph->softc; 1336 1337 if (softc->flags & CD_FLAG_CHANGER) { 1338 /* 1339 * This should work the first time this device is woken up, 1340 * but just in case it doesn't, we use a while loop. 1341 */ 1342 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1343 /* 1344 * If this changer isn't already queued, queue it up. 1345 */ 1346 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1347 softc->pinfo.priority = 1; 1348 softc->pinfo.generation = 1349 ++softc->changer->devq.generation; 1350 camq_insert(&softc->changer->devq, 1351 (cam_pinfo *)softc); 1352 } 1353 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1354 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1355 && ((softc->changer->flags 1356 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1357 softc->changer->flags |= CHANGER_MANUAL_CALL; 1358 cdrunchangerqueue(softc->changer); 1359 } else 1360 msleep(&softc->changer, periph->sim->mtx, 1361 PRIBIO, "cgticb", 0); 1362 } 1363 } 1364 return(cam_periph_getccb(periph, priority)); 1365} 1366 1367 1368/* 1369 * Actually translate the requested transfer into one the physical driver 1370 * can understand. The transfer is described by a buf and will include 1371 * only one physical transfer. 1372 */ 1373static void 1374cdstrategy(struct bio *bp) 1375{ 1376 struct cam_periph *periph; 1377 struct cd_softc *softc; 1378 1379 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1380 if (periph == NULL) { 1381 biofinish(bp, NULL, ENXIO); 1382 return; 1383 } 1384 1385 cam_periph_lock(periph); 1386 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1387 1388 softc = (struct cd_softc *)periph->softc; 1389 1390 /* 1391 * If the device has been made invalid, error out 1392 */ 1393 if ((softc->flags & CD_FLAG_INVALID)) { 1394 cam_periph_unlock(periph); 1395 biofinish(bp, NULL, ENXIO); 1396 return; 1397 } 1398 1399 /* 1400 * If we don't have valid media, look for it before trying to 1401 * schedule the I/O. 1402 */ 1403 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1404 int error; 1405 1406 error = cdcheckmedia(periph); 1407 if (error != 0) { 1408 cam_periph_unlock(periph); 1409 biofinish(bp, NULL, error); 1410 return; 1411 } 1412 } 1413 1414 /* 1415 * Place it in the queue of disk activities for this disk 1416 */ 1417 bioq_disksort(&softc->bio_queue, bp); 1418 1419 /* 1420 * Schedule ourselves for performing the work. We do things 1421 * differently for changers. 1422 */ 1423 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1424 xpt_schedule(periph, /* XXX priority */1); 1425 else 1426 cdschedule(periph, /* priority */ 1); 1427 1428 cam_periph_unlock(periph); 1429 return; 1430} 1431 1432static void 1433cdstart(struct cam_periph *periph, union ccb *start_ccb) 1434{ 1435 struct cd_softc *softc; 1436 struct bio *bp; 1437 struct ccb_scsiio *csio; 1438 struct scsi_read_capacity_data *rcap; 1439 1440 softc = (struct cd_softc *)periph->softc; 1441 1442 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1443 1444 switch (softc->state) { 1445 case CD_STATE_NORMAL: 1446 { 1447 bp = bioq_first(&softc->bio_queue); 1448 if (periph->immediate_priority <= periph->pinfo.priority) { 1449 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1450 1451 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1452 periph_links.sle); 1453 periph->immediate_priority = CAM_PRIORITY_NONE; 1454 wakeup(&periph->ccb_list); 1455 } else if (bp == NULL) { 1456 xpt_release_ccb(start_ccb); 1457 } else { 1458 bioq_remove(&softc->bio_queue, bp); 1459 1460 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1461 1462 scsi_read_write(&start_ccb->csio, 1463 /*retries*/cd_retry_count, 1464 /* cbfcnp */ cddone, 1465 MSG_SIMPLE_Q_TAG, 1466 /* read */bp->bio_cmd == BIO_READ, 1467 /* byte2 */ 0, 1468 /* minimum_cmd_size */ 10, 1469 /* lba */ bp->bio_offset / 1470 softc->params.blksize, 1471 bp->bio_bcount / softc->params.blksize, 1472 /* data_ptr */ bp->bio_data, 1473 /* dxfer_len */ bp->bio_bcount, 1474 /* sense_len */ SSD_FULL_SIZE, 1475 /* timeout */ 30000); 1476 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1477 1478 1479 LIST_INSERT_HEAD(&softc->pending_ccbs, 1480 &start_ccb->ccb_h, periph_links.le); 1481 softc->outstanding_cmds++; 1482 1483 /* We expect a unit attention from this device */ 1484 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1485 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1486 softc->flags &= ~CD_FLAG_RETRY_UA; 1487 } 1488 1489 start_ccb->ccb_h.ccb_bp = bp; 1490 bp = bioq_first(&softc->bio_queue); 1491 1492 xpt_action(start_ccb); 1493 } 1494 if (bp != NULL) { 1495 /* Have more work to do, so ensure we stay scheduled */ 1496 xpt_schedule(periph, /* XXX priority */1); 1497 } 1498 break; 1499 } 1500 case CD_STATE_PROBE: 1501 { 1502 1503 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1504 M_SCSICD, 1505 M_NOWAIT); 1506 if (rcap == NULL) { 1507 xpt_print(periph->path, 1508 "cdstart: Couldn't malloc read_capacity data\n"); 1509 /* cd_free_periph??? */ 1510 break; 1511 } 1512 csio = &start_ccb->csio; 1513 scsi_read_capacity(csio, 1514 /*retries*/1, 1515 cddone, 1516 MSG_SIMPLE_Q_TAG, 1517 rcap, 1518 SSD_FULL_SIZE, 1519 /*timeout*/20000); 1520 start_ccb->ccb_h.ccb_bp = NULL; 1521 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1522 xpt_action(start_ccb); 1523 break; 1524 } 1525 } 1526} 1527 1528static void 1529cddone(struct cam_periph *periph, union ccb *done_ccb) 1530{ 1531 struct cd_softc *softc; 1532 struct ccb_scsiio *csio; 1533 1534 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1535 1536 softc = (struct cd_softc *)periph->softc; 1537 csio = &done_ccb->csio; 1538 1539 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1540 case CD_CCB_BUFFER_IO: 1541 { 1542 struct bio *bp; 1543 int error; 1544 1545 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1546 error = 0; 1547 1548 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1549 int sf; 1550 1551 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1552 sf = SF_RETRY_UA; 1553 else 1554 sf = 0; 1555 1556 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1557 if (error == ERESTART) { 1558 /* 1559 * A retry was scheuled, so 1560 * just return. 1561 */ 1562 return; 1563 } 1564 } 1565 1566 if (error != 0) { 1567 xpt_print(periph->path, 1568 "cddone: got error %#x back\n", error); 1569 bioq_flush(&softc->bio_queue, NULL, EIO); 1570 bp->bio_resid = bp->bio_bcount; 1571 bp->bio_error = error; 1572 bp->bio_flags |= BIO_ERROR; 1573 cam_release_devq(done_ccb->ccb_h.path, 1574 /*relsim_flags*/0, 1575 /*reduction*/0, 1576 /*timeout*/0, 1577 /*getcount_only*/0); 1578 1579 } else { 1580 bp->bio_resid = csio->resid; 1581 bp->bio_error = 0; 1582 if (bp->bio_resid != 0) { 1583 /* 1584 * Short transfer ??? 1585 * XXX: not sure this is correct for partial 1586 * transfers at EOM 1587 */ 1588 bp->bio_flags |= BIO_ERROR; 1589 } 1590 } 1591 1592 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1593 softc->outstanding_cmds--; 1594 1595 if (softc->flags & CD_FLAG_CHANGER) 1596 cdchangerschedule(softc); 1597 1598 biofinish(bp, NULL, 0); 1599 break; 1600 } 1601 case CD_CCB_PROBE: 1602 { 1603 struct scsi_read_capacity_data *rdcap; 1604 char announce_buf[120]; /* 1605 * Currently (9/30/97) the 1606 * longest possible announce 1607 * buffer is 108 bytes, for the 1608 * first error case below. 1609 * That is 39 bytes for the 1610 * basic string, 16 bytes for the 1611 * biggest sense key (hardware 1612 * error), 52 bytes for the 1613 * text of the largest sense 1614 * qualifier valid for a CDROM, 1615 * (0x72, 0x03 or 0x04, 1616 * 0x03), and one byte for the 1617 * null terminating character. 1618 * To allow for longer strings, 1619 * the announce buffer is 120 1620 * bytes. 1621 */ 1622 struct cd_params *cdp; 1623 1624 cdp = &softc->params; 1625 1626 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1627 1628 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1629 cdp->blksize = scsi_4btoul (rdcap->length); 1630 1631 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1632 1633 snprintf(announce_buf, sizeof(announce_buf), 1634 "cd present [%lu x %lu byte records]", 1635 cdp->disksize, (u_long)cdp->blksize); 1636 1637 } else { 1638 int error; 1639 /* 1640 * Retry any UNIT ATTENTION type errors. They 1641 * are expected at boot. 1642 */ 1643 error = cderror(done_ccb, CAM_RETRY_SELTO, 1644 SF_RETRY_UA | SF_NO_PRINT); 1645 if (error == ERESTART) { 1646 /* 1647 * A retry was scheuled, so 1648 * just return. 1649 */ 1650 return; 1651 } else if (error != 0) { 1652 1653 struct scsi_sense_data *sense; 1654 int asc, ascq; 1655 int sense_key, error_code; 1656 int have_sense; 1657 cam_status status; 1658 struct ccb_getdev cgd; 1659 1660 /* Don't wedge this device's queue */ 1661 cam_release_devq(done_ccb->ccb_h.path, 1662 /*relsim_flags*/0, 1663 /*reduction*/0, 1664 /*timeout*/0, 1665 /*getcount_only*/0); 1666 1667 status = done_ccb->ccb_h.status; 1668 1669 xpt_setup_ccb(&cgd.ccb_h, 1670 done_ccb->ccb_h.path, 1671 /* priority */ 1); 1672 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1673 xpt_action((union ccb *)&cgd); 1674 1675 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1676 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1677 || ((status & CAM_AUTOSNS_VALID) == 0)) 1678 have_sense = FALSE; 1679 else 1680 have_sense = TRUE; 1681 1682 if (have_sense) { 1683 sense = &csio->sense_data; 1684 scsi_extract_sense(sense, &error_code, 1685 &sense_key, 1686 &asc, &ascq); 1687 } 1688 /* 1689 * Attach to anything that claims to be a 1690 * CDROM or WORM device, as long as it 1691 * doesn't return a "Logical unit not 1692 * supported" (0x25) error. 1693 */ 1694 if ((have_sense) && (asc != 0x25) 1695 && (error_code == SSD_CURRENT_ERROR)) { 1696 const char *sense_key_desc; 1697 const char *asc_desc; 1698 1699 scsi_sense_desc(sense_key, asc, ascq, 1700 &cgd.inq_data, 1701 &sense_key_desc, 1702 &asc_desc); 1703 snprintf(announce_buf, 1704 sizeof(announce_buf), 1705 "Attempt to query device " 1706 "size failed: %s, %s", 1707 sense_key_desc, 1708 asc_desc); 1709 } else if ((have_sense == 0) 1710 && ((status & CAM_STATUS_MASK) == 1711 CAM_SCSI_STATUS_ERROR) 1712 && (csio->scsi_status == 1713 SCSI_STATUS_BUSY)) { 1714 snprintf(announce_buf, 1715 sizeof(announce_buf), 1716 "Attempt to query device " 1717 "size failed: SCSI Status: %s", 1718 scsi_status_string(csio)); 1719 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1720 /* 1721 * We only print out an error for 1722 * CDROM type devices. For WORM 1723 * devices, we don't print out an 1724 * error since a few WORM devices 1725 * don't support CDROM commands. 1726 * If we have sense information, go 1727 * ahead and print it out. 1728 * Otherwise, just say that we 1729 * couldn't attach. 1730 */ 1731 1732 /* 1733 * Just print out the error, not 1734 * the full probe message, when we 1735 * don't attach. 1736 */ 1737 if (have_sense) 1738 scsi_sense_print( 1739 &done_ccb->csio); 1740 else { 1741 xpt_print(periph->path, 1742 "got CAM status %#x\n", 1743 done_ccb->ccb_h.status); 1744 } 1745 xpt_print(periph->path, "fatal error, " 1746 "failed to attach to device\n"); 1747 /* 1748 * Invalidate this peripheral. 1749 */ 1750 cam_periph_invalidate(periph); 1751 1752 announce_buf[0] = '\0'; 1753 } else { 1754 1755 /* 1756 * Invalidate this peripheral. 1757 */ 1758 cam_periph_invalidate(periph); 1759 announce_buf[0] = '\0'; 1760 } 1761 } 1762 } 1763 free(rdcap, M_SCSICD); 1764 if (announce_buf[0] != '\0') { 1765 xpt_announce_periph(periph, announce_buf); 1766 if (softc->flags & CD_FLAG_CHANGER) 1767 cdchangerschedule(softc); 1768 /* 1769 * Create our sysctl variables, now that we know 1770 * we have successfully attached. 1771 */ 1772 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1773 } 1774 softc->state = CD_STATE_NORMAL; 1775 /* 1776 * Since our peripheral may be invalidated by an error 1777 * above or an external event, we must release our CCB 1778 * before releasing the probe lock on the peripheral. 1779 * The peripheral will only go away once the last lock 1780 * is removed, and we need it around for the CCB release 1781 * operation. 1782 */ 1783 xpt_release_ccb(done_ccb); 1784 cam_periph_unhold(periph); 1785 return; 1786 } 1787 case CD_CCB_WAITING: 1788 { 1789 /* Caller will release the CCB */ 1790 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1791 ("trying to wakeup ccbwait\n")); 1792 1793 wakeup(&done_ccb->ccb_h.cbfcnp); 1794 return; 1795 } 1796 default: 1797 break; 1798 } 1799 xpt_release_ccb(done_ccb); 1800} 1801 1802static union cd_pages * 1803cdgetpage(struct cd_mode_params *mode_params) 1804{ 1805 union cd_pages *page; 1806 1807 if (mode_params->cdb_size == 10) 1808 page = (union cd_pages *)find_mode_page_10( 1809 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1810 else 1811 page = (union cd_pages *)find_mode_page_6( 1812 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1813 1814 return (page); 1815} 1816 1817static int 1818cdgetpagesize(int page_num) 1819{ 1820 int i; 1821 1822 for (i = 0; i < (sizeof(cd_page_size_table)/ 1823 sizeof(cd_page_size_table[0])); i++) { 1824 if (cd_page_size_table[i].page == page_num) 1825 return (cd_page_size_table[i].page_size); 1826 } 1827 1828 return (-1); 1829} 1830 1831static int 1832cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1833{ 1834 1835 struct cam_periph *periph; 1836 struct cd_softc *softc; 1837 int nocopyout, error = 0; 1838 1839 periph = (struct cam_periph *)dp->d_drv1; 1840 if (periph == NULL) 1841 return(ENXIO); 1842 1843 cam_periph_lock(periph); 1844 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1845 1846 softc = (struct cd_softc *)periph->softc; 1847 1848 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1849 ("trying to do ioctl %#lx\n", cmd)); 1850 1851 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1852 cam_periph_unlock(periph); 1853 cam_periph_release(periph); 1854 return (error); 1855 } 1856 1857 /* 1858 * If we don't have media loaded, check for it. If still don't 1859 * have media loaded, we can only do a load or eject. 1860 * 1861 * We only care whether media is loaded if this is a cd-specific ioctl 1862 * (thus the IOCGROUP check below). Note that this will break if 1863 * anyone adds any ioctls into the switch statement below that don't 1864 * have their ioctl group set to 'c'. 1865 */ 1866 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1867 && ((cmd != CDIOCCLOSE) 1868 && (cmd != CDIOCEJECT)) 1869 && (IOCGROUP(cmd) == 'c')) { 1870 error = cdcheckmedia(periph); 1871 if (error != 0) { 1872 cam_periph_unhold(periph); 1873 cam_periph_unlock(periph); 1874 return (error); 1875 } 1876 } 1877 /* 1878 * Drop the lock here so later mallocs can use WAITOK. The periph 1879 * is essentially locked still with the cam_periph_hold call above. 1880 */ 1881 cam_periph_unlock(periph); 1882 1883 nocopyout = 0; 1884 switch (cmd) { 1885 1886 case CDIOCPLAYTRACKS: 1887 { 1888 struct ioc_play_track *args 1889 = (struct ioc_play_track *) addr; 1890 struct cd_mode_params params; 1891 union cd_pages *page; 1892 1893 params.alloc_len = sizeof(union cd_mode_data_6_10); 1894 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1895 M_WAITOK | M_ZERO); 1896 1897 cam_periph_lock(periph); 1898 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1899 ("trying to do CDIOCPLAYTRACKS\n")); 1900 1901 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1902 if (error) { 1903 free(params.mode_buf, M_SCSICD); 1904 cam_periph_unlock(periph); 1905 break; 1906 } 1907 page = cdgetpage(¶ms); 1908 1909 page->audio.flags &= ~CD_PA_SOTC; 1910 page->audio.flags |= CD_PA_IMMED; 1911 error = cdsetmode(periph, ¶ms); 1912 free(params.mode_buf, M_SCSICD); 1913 if (error) { 1914 cam_periph_unlock(periph); 1915 break; 1916 } 1917 1918 /* 1919 * This was originally implemented with the PLAY 1920 * AUDIO TRACK INDEX command, but that command was 1921 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1922 * drives support it but ATAPI and ATAPI-derivative 1923 * drives don't seem to support it. So we keep a 1924 * cache of the table of contents and translate 1925 * track numbers to MSF format. 1926 */ 1927 if (softc->flags & CD_FLAG_VALID_TOC) { 1928 union msf_lba *sentry, *eentry; 1929 int st, et; 1930 1931 if (args->end_track < 1932 softc->toc.header.ending_track + 1) 1933 args->end_track++; 1934 if (args->end_track > 1935 softc->toc.header.ending_track + 1) 1936 args->end_track = 1937 softc->toc.header.ending_track + 1; 1938 st = args->start_track - 1939 softc->toc.header.starting_track; 1940 et = args->end_track - 1941 softc->toc.header.starting_track; 1942 if ((st < 0) 1943 || (et < 0) 1944 || (st > (softc->toc.header.ending_track - 1945 softc->toc.header.starting_track))) { 1946 error = EINVAL; 1947 break; 1948 } 1949 sentry = &softc->toc.entries[st].addr; 1950 eentry = &softc->toc.entries[et].addr; 1951 error = cdplaymsf(periph, 1952 sentry->msf.minute, 1953 sentry->msf.second, 1954 sentry->msf.frame, 1955 eentry->msf.minute, 1956 eentry->msf.second, 1957 eentry->msf.frame); 1958 } else { 1959 /* 1960 * If we don't have a valid TOC, try the 1961 * play track index command. It is part of 1962 * the SCSI-2 spec, but was removed in the 1963 * MMC specs. ATAPI and ATAPI-derived 1964 * drives don't support it. 1965 */ 1966 if (softc->quirks & CD_Q_BCD_TRACKS) { 1967 args->start_track = 1968 bin2bcd(args->start_track); 1969 args->end_track = 1970 bin2bcd(args->end_track); 1971 } 1972 error = cdplaytracks(periph, 1973 args->start_track, 1974 args->start_index, 1975 args->end_track, 1976 args->end_index); 1977 } 1978 cam_periph_unlock(periph); 1979 } 1980 break; 1981 case CDIOCPLAYMSF: 1982 { 1983 struct ioc_play_msf *args 1984 = (struct ioc_play_msf *) addr; 1985 struct cd_mode_params params; 1986 union cd_pages *page; 1987 1988 params.alloc_len = sizeof(union cd_mode_data_6_10); 1989 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1990 M_WAITOK | M_ZERO); 1991 1992 cam_periph_lock(periph); 1993 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1994 ("trying to do CDIOCPLAYMSF\n")); 1995 1996 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1997 if (error) { 1998 free(params.mode_buf, M_SCSICD); 1999 cam_periph_unlock(periph); 2000 break; 2001 } 2002 page = cdgetpage(¶ms); 2003 2004 page->audio.flags &= ~CD_PA_SOTC; 2005 page->audio.flags |= CD_PA_IMMED; 2006 error = cdsetmode(periph, ¶ms); 2007 free(params.mode_buf, M_SCSICD); 2008 if (error) { 2009 cam_periph_unlock(periph); 2010 break; 2011 } 2012 error = cdplaymsf(periph, 2013 args->start_m, 2014 args->start_s, 2015 args->start_f, 2016 args->end_m, 2017 args->end_s, 2018 args->end_f); 2019 cam_periph_unlock(periph); 2020 } 2021 break; 2022 case CDIOCPLAYBLOCKS: 2023 { 2024 struct ioc_play_blocks *args 2025 = (struct ioc_play_blocks *) addr; 2026 struct cd_mode_params params; 2027 union cd_pages *page; 2028 2029 params.alloc_len = sizeof(union cd_mode_data_6_10); 2030 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2031 M_WAITOK | M_ZERO); 2032 2033 cam_periph_lock(periph); 2034 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2035 ("trying to do CDIOCPLAYBLOCKS\n")); 2036 2037 2038 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2039 if (error) { 2040 free(params.mode_buf, M_SCSICD); 2041 cam_periph_unlock(periph); 2042 break; 2043 } 2044 page = cdgetpage(¶ms); 2045 2046 page->audio.flags &= ~CD_PA_SOTC; 2047 page->audio.flags |= CD_PA_IMMED; 2048 error = cdsetmode(periph, ¶ms); 2049 free(params.mode_buf, M_SCSICD); 2050 if (error) { 2051 cam_periph_unlock(periph); 2052 break; 2053 } 2054 error = cdplay(periph, args->blk, args->len); 2055 cam_periph_unlock(periph); 2056 } 2057 break; 2058 case CDIOCREADSUBCHANNEL_SYSSPACE: 2059 nocopyout = 1; 2060 /* Fallthrough */ 2061 case CDIOCREADSUBCHANNEL: 2062 { 2063 struct ioc_read_subchannel *args 2064 = (struct ioc_read_subchannel *) addr; 2065 struct cd_sub_channel_info *data; 2066 u_int32_t len = args->data_len; 2067 2068 data = malloc(sizeof(struct cd_sub_channel_info), 2069 M_SCSICD, M_WAITOK); 2070 2071 cam_periph_lock(periph); 2072 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2073 ("trying to do CDIOCREADSUBCHANNEL\n")); 2074 2075 if ((len > sizeof(struct cd_sub_channel_info)) || 2076 (len < sizeof(struct cd_sub_channel_header))) { 2077 printf( 2078 "scsi_cd: cdioctl: " 2079 "cdioreadsubchannel: error, len=%d\n", 2080 len); 2081 error = EINVAL; 2082 free(data, M_SCSICD); 2083 cam_periph_unlock(periph); 2084 break; 2085 } 2086 2087 if (softc->quirks & CD_Q_BCD_TRACKS) 2088 args->track = bin2bcd(args->track); 2089 2090 error = cdreadsubchannel(periph, args->address_format, 2091 args->data_format, args->track, data, len); 2092 2093 if (error) { 2094 free(data, M_SCSICD); 2095 cam_periph_unlock(periph); 2096 break; 2097 } 2098 if (softc->quirks & CD_Q_BCD_TRACKS) 2099 data->what.track_info.track_number = 2100 bcd2bin(data->what.track_info.track_number); 2101 len = min(len, ((data->header.data_len[0] << 8) + 2102 data->header.data_len[1] + 2103 sizeof(struct cd_sub_channel_header))); 2104 cam_periph_unlock(periph); 2105 if (nocopyout == 0) { 2106 if (copyout(data, args->data, len) != 0) { 2107 error = EFAULT; 2108 } 2109 } else { 2110 bcopy(data, args->data, len); 2111 } 2112 free(data, M_SCSICD); 2113 } 2114 break; 2115 2116 case CDIOREADTOCHEADER: 2117 { 2118 struct ioc_toc_header *th; 2119 2120 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2121 M_WAITOK); 2122 2123 cam_periph_lock(periph); 2124 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2125 ("trying to do CDIOREADTOCHEADER\n")); 2126 2127 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2128 sizeof (*th), /*sense_flags*/0); 2129 if (error) { 2130 free(th, M_SCSICD); 2131 cam_periph_unlock(periph); 2132 break; 2133 } 2134 if (softc->quirks & CD_Q_BCD_TRACKS) { 2135 /* we are going to have to convert the BCD 2136 * encoding on the cd to what is expected 2137 */ 2138 th->starting_track = 2139 bcd2bin(th->starting_track); 2140 th->ending_track = bcd2bin(th->ending_track); 2141 } 2142 th->len = ntohs(th->len); 2143 bcopy(th, addr, sizeof(*th)); 2144 free(th, M_SCSICD); 2145 cam_periph_unlock(periph); 2146 } 2147 break; 2148 case CDIOREADTOCENTRYS: 2149 { 2150 struct cd_tocdata *data; 2151 struct cd_toc_single *lead; 2152 struct ioc_read_toc_entry *te = 2153 (struct ioc_read_toc_entry *) addr; 2154 struct ioc_toc_header *th; 2155 u_int32_t len, readlen, idx, num; 2156 u_int32_t starting_track = te->starting_track; 2157 2158 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2159 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2160 2161 cam_periph_lock(periph); 2162 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2163 ("trying to do CDIOREADTOCENTRYS\n")); 2164 2165 if (te->data_len < sizeof(struct cd_toc_entry) 2166 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2167 || (te->address_format != CD_MSF_FORMAT 2168 && te->address_format != CD_LBA_FORMAT)) { 2169 error = EINVAL; 2170 printf("scsi_cd: error in readtocentries, " 2171 "returning EINVAL\n"); 2172 free(data, M_SCSICD); 2173 free(lead, M_SCSICD); 2174 cam_periph_unlock(periph); 2175 break; 2176 } 2177 2178 th = &data->header; 2179 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2180 sizeof (*th), /*sense_flags*/0); 2181 if (error) { 2182 free(data, M_SCSICD); 2183 free(lead, M_SCSICD); 2184 cam_periph_unlock(periph); 2185 break; 2186 } 2187 2188 if (softc->quirks & CD_Q_BCD_TRACKS) { 2189 /* we are going to have to convert the BCD 2190 * encoding on the cd to what is expected 2191 */ 2192 th->starting_track = 2193 bcd2bin(th->starting_track); 2194 th->ending_track = bcd2bin(th->ending_track); 2195 } 2196 2197 if (starting_track == 0) 2198 starting_track = th->starting_track; 2199 else if (starting_track == LEADOUT) 2200 starting_track = th->ending_track + 1; 2201 else if (starting_track < th->starting_track || 2202 starting_track > th->ending_track + 1) { 2203 printf("scsi_cd: error in readtocentries, " 2204 "returning EINVAL\n"); 2205 free(data, M_SCSICD); 2206 free(lead, M_SCSICD); 2207 cam_periph_unlock(periph); 2208 error = EINVAL; 2209 break; 2210 } 2211 2212 /* calculate reading length without leadout entry */ 2213 readlen = (th->ending_track - starting_track + 1) * 2214 sizeof(struct cd_toc_entry); 2215 2216 /* and with leadout entry */ 2217 len = readlen + sizeof(struct cd_toc_entry); 2218 if (te->data_len < len) { 2219 len = te->data_len; 2220 if (readlen > len) 2221 readlen = len; 2222 } 2223 if (len > sizeof(data->entries)) { 2224 printf("scsi_cd: error in readtocentries, " 2225 "returning EINVAL\n"); 2226 error = EINVAL; 2227 free(data, M_SCSICD); 2228 free(lead, M_SCSICD); 2229 cam_periph_unlock(periph); 2230 break; 2231 } 2232 num = len / sizeof(struct cd_toc_entry); 2233 2234 if (readlen > 0) { 2235 error = cdreadtoc(periph, te->address_format, 2236 starting_track, 2237 (u_int8_t *)data, 2238 readlen + sizeof (*th), 2239 /*sense_flags*/0); 2240 if (error) { 2241 free(data, M_SCSICD); 2242 free(lead, M_SCSICD); 2243 cam_periph_unlock(periph); 2244 break; 2245 } 2246 } 2247 2248 /* make leadout entry if needed */ 2249 idx = starting_track + num - 1; 2250 if (softc->quirks & CD_Q_BCD_TRACKS) 2251 th->ending_track = bcd2bin(th->ending_track); 2252 if (idx == th->ending_track + 1) { 2253 error = cdreadtoc(periph, te->address_format, 2254 LEADOUT, (u_int8_t *)lead, 2255 sizeof(*lead), 2256 /*sense_flags*/0); 2257 if (error) { 2258 free(data, M_SCSICD); 2259 free(lead, M_SCSICD); 2260 cam_periph_unlock(periph); 2261 break; 2262 } 2263 data->entries[idx - starting_track] = 2264 lead->entry; 2265 } 2266 if (softc->quirks & CD_Q_BCD_TRACKS) { 2267 for (idx = 0; idx < num - 1; idx++) { 2268 data->entries[idx].track = 2269 bcd2bin(data->entries[idx].track); 2270 } 2271 } 2272 2273 cam_periph_unlock(periph); 2274 error = copyout(data->entries, te->data, len); 2275 free(data, M_SCSICD); 2276 free(lead, M_SCSICD); 2277 } 2278 break; 2279 case CDIOREADTOCENTRY: 2280 { 2281 struct cd_toc_single *data; 2282 struct ioc_read_toc_single_entry *te = 2283 (struct ioc_read_toc_single_entry *) addr; 2284 struct ioc_toc_header *th; 2285 u_int32_t track; 2286 2287 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2288 2289 cam_periph_lock(periph); 2290 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2291 ("trying to do CDIOREADTOCENTRY\n")); 2292 2293 if (te->address_format != CD_MSF_FORMAT 2294 && te->address_format != CD_LBA_FORMAT) { 2295 printf("error in readtocentry, " 2296 " returning EINVAL\n"); 2297 free(data, M_SCSICD); 2298 error = EINVAL; 2299 cam_periph_unlock(periph); 2300 break; 2301 } 2302 2303 th = &data->header; 2304 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2305 sizeof (*th), /*sense_flags*/0); 2306 if (error) { 2307 free(data, M_SCSICD); 2308 cam_periph_unlock(periph); 2309 break; 2310 } 2311 2312 if (softc->quirks & CD_Q_BCD_TRACKS) { 2313 /* we are going to have to convert the BCD 2314 * encoding on the cd to what is expected 2315 */ 2316 th->starting_track = 2317 bcd2bin(th->starting_track); 2318 th->ending_track = bcd2bin(th->ending_track); 2319 } 2320 track = te->track; 2321 if (track == 0) 2322 track = th->starting_track; 2323 else if (track == LEADOUT) 2324 /* OK */; 2325 else if (track < th->starting_track || 2326 track > th->ending_track + 1) { 2327 printf("error in readtocentry, " 2328 " returning EINVAL\n"); 2329 free(data, M_SCSICD); 2330 error = EINVAL; 2331 cam_periph_unlock(periph); 2332 break; 2333 } 2334 2335 error = cdreadtoc(periph, te->address_format, track, 2336 (u_int8_t *)data, sizeof(*data), 2337 /*sense_flags*/0); 2338 if (error) { 2339 free(data, M_SCSICD); 2340 cam_periph_unlock(periph); 2341 break; 2342 } 2343 2344 if (softc->quirks & CD_Q_BCD_TRACKS) 2345 data->entry.track = bcd2bin(data->entry.track); 2346 bcopy(&data->entry, &te->entry, 2347 sizeof(struct cd_toc_entry)); 2348 free(data, M_SCSICD); 2349 cam_periph_unlock(periph); 2350 } 2351 break; 2352 case CDIOCSETPATCH: 2353 { 2354 struct ioc_patch *arg = (struct ioc_patch *)addr; 2355 struct cd_mode_params params; 2356 union cd_pages *page; 2357 2358 params.alloc_len = sizeof(union cd_mode_data_6_10); 2359 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2360 M_WAITOK | M_ZERO); 2361 2362 cam_periph_lock(periph); 2363 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2364 ("trying to do CDIOCSETPATCH\n")); 2365 2366 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2367 if (error) { 2368 free(params.mode_buf, M_SCSICD); 2369 cam_periph_unlock(periph); 2370 break; 2371 } 2372 page = cdgetpage(¶ms); 2373 2374 page->audio.port[LEFT_PORT].channels = 2375 arg->patch[0]; 2376 page->audio.port[RIGHT_PORT].channels = 2377 arg->patch[1]; 2378 page->audio.port[2].channels = arg->patch[2]; 2379 page->audio.port[3].channels = arg->patch[3]; 2380 error = cdsetmode(periph, ¶ms); 2381 free(params.mode_buf, M_SCSICD); 2382 cam_periph_unlock(periph); 2383 } 2384 break; 2385 case CDIOCGETVOL: 2386 { 2387 struct ioc_vol *arg = (struct ioc_vol *) addr; 2388 struct cd_mode_params params; 2389 union cd_pages *page; 2390 2391 params.alloc_len = sizeof(union cd_mode_data_6_10); 2392 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2393 M_WAITOK | M_ZERO); 2394 2395 cam_periph_lock(periph); 2396 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2397 ("trying to do CDIOCGETVOL\n")); 2398 2399 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2400 if (error) { 2401 free(params.mode_buf, M_SCSICD); 2402 cam_periph_unlock(periph); 2403 break; 2404 } 2405 page = cdgetpage(¶ms); 2406 2407 arg->vol[LEFT_PORT] = 2408 page->audio.port[LEFT_PORT].volume; 2409 arg->vol[RIGHT_PORT] = 2410 page->audio.port[RIGHT_PORT].volume; 2411 arg->vol[2] = page->audio.port[2].volume; 2412 arg->vol[3] = page->audio.port[3].volume; 2413 free(params.mode_buf, M_SCSICD); 2414 cam_periph_unlock(periph); 2415 } 2416 break; 2417 case CDIOCSETVOL: 2418 { 2419 struct ioc_vol *arg = (struct ioc_vol *) addr; 2420 struct cd_mode_params params; 2421 union cd_pages *page; 2422 2423 params.alloc_len = sizeof(union cd_mode_data_6_10); 2424 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2425 M_WAITOK | M_ZERO); 2426 2427 cam_periph_lock(periph); 2428 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2429 ("trying to do CDIOCSETVOL\n")); 2430 2431 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2432 if (error) { 2433 free(params.mode_buf, M_SCSICD); 2434 cam_periph_unlock(periph); 2435 break; 2436 } 2437 page = cdgetpage(¶ms); 2438 2439 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2440 page->audio.port[LEFT_PORT].volume = 2441 arg->vol[LEFT_PORT]; 2442 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2443 page->audio.port[RIGHT_PORT].volume = 2444 arg->vol[RIGHT_PORT]; 2445 page->audio.port[2].volume = arg->vol[2]; 2446 page->audio.port[3].volume = arg->vol[3]; 2447 error = cdsetmode(periph, ¶ms); 2448 cam_periph_unlock(periph); 2449 free(params.mode_buf, M_SCSICD); 2450 } 2451 break; 2452 case CDIOCSETMONO: 2453 { 2454 struct cd_mode_params params; 2455 union cd_pages *page; 2456 2457 params.alloc_len = sizeof(union cd_mode_data_6_10); 2458 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2459 M_WAITOK | M_ZERO); 2460 2461 cam_periph_lock(periph); 2462 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2463 ("trying to do CDIOCSETMONO\n")); 2464 2465 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2466 if (error) { 2467 free(params.mode_buf, M_SCSICD); 2468 cam_periph_unlock(periph); 2469 break; 2470 } 2471 page = cdgetpage(¶ms); 2472 2473 page->audio.port[LEFT_PORT].channels = 2474 LEFT_CHANNEL | RIGHT_CHANNEL; 2475 page->audio.port[RIGHT_PORT].channels = 2476 LEFT_CHANNEL | RIGHT_CHANNEL; 2477 page->audio.port[2].channels = 0; 2478 page->audio.port[3].channels = 0; 2479 error = cdsetmode(periph, ¶ms); 2480 cam_periph_unlock(periph); 2481 free(params.mode_buf, M_SCSICD); 2482 } 2483 break; 2484 case CDIOCSETSTEREO: 2485 { 2486 struct cd_mode_params params; 2487 union cd_pages *page; 2488 2489 params.alloc_len = sizeof(union cd_mode_data_6_10); 2490 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2491 M_WAITOK | M_ZERO); 2492 2493 cam_periph_lock(periph); 2494 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2495 ("trying to do CDIOCSETSTEREO\n")); 2496 2497 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2498 if (error) { 2499 free(params.mode_buf, M_SCSICD); 2500 cam_periph_unlock(periph); 2501 break; 2502 } 2503 page = cdgetpage(¶ms); 2504 2505 page->audio.port[LEFT_PORT].channels = 2506 LEFT_CHANNEL; 2507 page->audio.port[RIGHT_PORT].channels = 2508 RIGHT_CHANNEL; 2509 page->audio.port[2].channels = 0; 2510 page->audio.port[3].channels = 0; 2511 error = cdsetmode(periph, ¶ms); 2512 free(params.mode_buf, M_SCSICD); 2513 cam_periph_unlock(periph); 2514 } 2515 break; 2516 case CDIOCSETMUTE: 2517 { 2518 struct cd_mode_params params; 2519 union cd_pages *page; 2520 2521 params.alloc_len = sizeof(union cd_mode_data_6_10); 2522 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2523 M_WAITOK | M_ZERO); 2524 2525 cam_periph_lock(periph); 2526 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2527 ("trying to do CDIOCSETMUTE\n")); 2528 2529 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2530 if (error) { 2531 free(¶ms.mode_buf, M_SCSICD); 2532 cam_periph_unlock(periph); 2533 break; 2534 } 2535 page = cdgetpage(¶ms); 2536 2537 page->audio.port[LEFT_PORT].channels = 0; 2538 page->audio.port[RIGHT_PORT].channels = 0; 2539 page->audio.port[2].channels = 0; 2540 page->audio.port[3].channels = 0; 2541 error = cdsetmode(periph, ¶ms); 2542 free(params.mode_buf, M_SCSICD); 2543 cam_periph_unlock(periph); 2544 } 2545 break; 2546 case CDIOCSETLEFT: 2547 { 2548 struct cd_mode_params params; 2549 union cd_pages *page; 2550 2551 params.alloc_len = sizeof(union cd_mode_data_6_10); 2552 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2553 M_WAITOK | M_ZERO); 2554 2555 cam_periph_lock(periph); 2556 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2557 ("trying to do CDIOCSETLEFT\n")); 2558 2559 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2560 if (error) { 2561 free(params.mode_buf, M_SCSICD); 2562 cam_periph_unlock(periph); 2563 break; 2564 } 2565 page = cdgetpage(¶ms); 2566 2567 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2568 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2569 page->audio.port[2].channels = 0; 2570 page->audio.port[3].channels = 0; 2571 error = cdsetmode(periph, ¶ms); 2572 free(params.mode_buf, M_SCSICD); 2573 cam_periph_unlock(periph); 2574 } 2575 break; 2576 case CDIOCSETRIGHT: 2577 { 2578 struct cd_mode_params params; 2579 union cd_pages *page; 2580 2581 params.alloc_len = sizeof(union cd_mode_data_6_10); 2582 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2583 M_WAITOK | M_ZERO); 2584 2585 cam_periph_lock(periph); 2586 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2587 ("trying to do CDIOCSETRIGHT\n")); 2588 2589 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2590 if (error) { 2591 free(params.mode_buf, M_SCSICD); 2592 cam_periph_unlock(periph); 2593 break; 2594 } 2595 page = cdgetpage(¶ms); 2596 2597 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2598 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2599 page->audio.port[2].channels = 0; 2600 page->audio.port[3].channels = 0; 2601 error = cdsetmode(periph, ¶ms); 2602 free(params.mode_buf, M_SCSICD); 2603 cam_periph_unlock(periph); 2604 } 2605 break; 2606 case CDIOCRESUME: 2607 cam_periph_lock(periph); 2608 error = cdpause(periph, 1); 2609 cam_periph_unlock(periph); 2610 break; 2611 case CDIOCPAUSE: 2612 cam_periph_lock(periph); 2613 error = cdpause(periph, 0); 2614 cam_periph_unlock(periph); 2615 break; 2616 case CDIOCSTART: 2617 cam_periph_lock(periph); 2618 error = cdstartunit(periph, 0); 2619 cam_periph_unlock(periph); 2620 break; 2621 case CDIOCCLOSE: 2622 cam_periph_lock(periph); 2623 error = cdstartunit(periph, 1); 2624 cam_periph_unlock(periph); 2625 break; 2626 case CDIOCSTOP: 2627 cam_periph_lock(periph); 2628 error = cdstopunit(periph, 0); 2629 cam_periph_unlock(periph); 2630 break; 2631 case CDIOCEJECT: 2632 cam_periph_lock(periph); 2633 error = cdstopunit(periph, 1); 2634 cam_periph_unlock(periph); 2635 break; 2636 case CDIOCALLOW: 2637 cam_periph_lock(periph); 2638 cdprevent(periph, PR_ALLOW); 2639 cam_periph_unlock(periph); 2640 break; 2641 case CDIOCPREVENT: 2642 cam_periph_lock(periph); 2643 cdprevent(periph, PR_PREVENT); 2644 cam_periph_unlock(periph); 2645 break; 2646 case CDIOCSETDEBUG: 2647 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2648 error = ENOTTY; 2649 break; 2650 case CDIOCCLRDEBUG: 2651 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2652 error = ENOTTY; 2653 break; 2654 case CDIOCRESET: 2655 /* return (cd_reset(periph)); */ 2656 error = ENOTTY; 2657 break; 2658 case CDRIOCREADSPEED: 2659 cam_periph_lock(periph); 2660 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2661 cam_periph_unlock(periph); 2662 break; 2663 case CDRIOCWRITESPEED: 2664 cam_periph_lock(periph); 2665 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2666 cam_periph_unlock(periph); 2667 break; 2668 case DVDIOCSENDKEY: 2669 case DVDIOCREPORTKEY: { 2670 struct dvd_authinfo *authinfo; 2671 2672 authinfo = (struct dvd_authinfo *)addr; 2673 2674 cam_periph_lock(periph); 2675 if (cmd == DVDIOCREPORTKEY) 2676 error = cdreportkey(periph, authinfo); 2677 else 2678 error = cdsendkey(periph, authinfo); 2679 cam_periph_unlock(periph); 2680 break; 2681 } 2682 case DVDIOCREADSTRUCTURE: { 2683 struct dvd_struct *dvdstruct; 2684 2685 dvdstruct = (struct dvd_struct *)addr; 2686 2687 cam_periph_lock(periph); 2688 error = cdreaddvdstructure(periph, dvdstruct); 2689 cam_periph_unlock(periph); 2690 2691 break; 2692 } 2693 default: 2694 cam_periph_lock(periph); 2695 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2696 cam_periph_unlock(periph); 2697 break; 2698 } 2699 2700 cam_periph_lock(periph); 2701 cam_periph_unhold(periph); 2702 2703 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2704 if (error && bootverbose) { 2705 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2706 } 2707 cam_periph_unlock(periph); 2708 2709 return (error); 2710} 2711 2712static void 2713cdprevent(struct cam_periph *periph, int action) 2714{ 2715 union ccb *ccb; 2716 struct cd_softc *softc; 2717 int error; 2718 2719 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2720 2721 softc = (struct cd_softc *)periph->softc; 2722 2723 if (((action == PR_ALLOW) 2724 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2725 || ((action == PR_PREVENT) 2726 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2727 return; 2728 } 2729 2730 ccb = cdgetccb(periph, /* priority */ 1); 2731 2732 scsi_prevent(&ccb->csio, 2733 /*retries*/ 1, 2734 cddone, 2735 MSG_SIMPLE_Q_TAG, 2736 action, 2737 SSD_FULL_SIZE, 2738 /* timeout */60000); 2739 2740 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2741 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2742 2743 xpt_release_ccb(ccb); 2744 2745 if (error == 0) { 2746 if (action == PR_ALLOW) 2747 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2748 else 2749 softc->flags |= CD_FLAG_DISC_LOCKED; 2750 } 2751} 2752 2753/* 2754 * XXX: the disk media and sector size is only really able to change 2755 * XXX: while the device is closed. 2756 */ 2757static int 2758cdcheckmedia(struct cam_periph *periph) 2759{ 2760 struct cd_softc *softc; 2761 struct ioc_toc_header *toch; 2762 struct cd_toc_single leadout; 2763 u_int32_t size, toclen; 2764 int error, num_entries, cdindex; 2765 2766 softc = (struct cd_softc *)periph->softc; 2767 2768 cdprevent(periph, PR_PREVENT); 2769 softc->disk->d_maxsize = DFLTPHYS; 2770 softc->disk->d_sectorsize = 2048; 2771 softc->disk->d_mediasize = 0; 2772 2773 /* 2774 * Get the disc size and block size. If we can't get it, we don't 2775 * have media, most likely. 2776 */ 2777 if ((error = cdsize(periph, &size)) != 0) { 2778 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2779 cdprevent(periph, PR_ALLOW); 2780 return (error); 2781 } else 2782 softc->flags |= CD_FLAG_VALID_MEDIA; 2783 2784 /* 2785 * Now we check the table of contents. This (currently) is only 2786 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2787 * things like present a separate entry in /dev for each track, 2788 * like that acd(4) driver does. 2789 */ 2790 bzero(&softc->toc, sizeof(softc->toc)); 2791 toch = &softc->toc.header; 2792 /* 2793 * We will get errors here for media that doesn't have a table of 2794 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2795 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2796 * has not been recorded (no complete session) and the Format codes 2797 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2798 * with an INVALID FIELD IN CDB. Devices that are not capable of 2799 * reading an incomplete session on DDC/CD-R/RW media shall report 2800 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2801 * 2802 * So this isn't fatal if we can't read the table of contents, it 2803 * just means that the user won't be able to issue the play tracks 2804 * ioctl, and likely lots of other stuff won't work either. They 2805 * need to burn the CD before we can do a whole lot with it. So 2806 * we don't print anything here if we get an error back. 2807 */ 2808 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2809 SF_NO_PRINT); 2810 /* 2811 * Errors in reading the table of contents aren't fatal, we just 2812 * won't have a valid table of contents cached. 2813 */ 2814 if (error != 0) { 2815 error = 0; 2816 bzero(&softc->toc, sizeof(softc->toc)); 2817 goto bailout; 2818 } 2819 2820 if (softc->quirks & CD_Q_BCD_TRACKS) { 2821 toch->starting_track = bcd2bin(toch->starting_track); 2822 toch->ending_track = bcd2bin(toch->ending_track); 2823 } 2824 2825 /* Number of TOC entries, plus leadout */ 2826 num_entries = (toch->ending_track - toch->starting_track) + 2; 2827 2828 if (num_entries <= 0) 2829 goto bailout; 2830 2831 toclen = num_entries * sizeof(struct cd_toc_entry); 2832 2833 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2834 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2835 SF_NO_PRINT); 2836 if (error != 0) { 2837 error = 0; 2838 bzero(&softc->toc, sizeof(softc->toc)); 2839 goto bailout; 2840 } 2841 2842 if (softc->quirks & CD_Q_BCD_TRACKS) { 2843 toch->starting_track = bcd2bin(toch->starting_track); 2844 toch->ending_track = bcd2bin(toch->ending_track); 2845 } 2846 /* 2847 * XXX KDM is this necessary? Probably only if the drive doesn't 2848 * return leadout information with the table of contents. 2849 */ 2850 cdindex = toch->starting_track + num_entries -1; 2851 if (cdindex == toch->ending_track + 1) { 2852 2853 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2854 (u_int8_t *)&leadout, sizeof(leadout), 2855 SF_NO_PRINT); 2856 if (error != 0) { 2857 error = 0; 2858 goto bailout; 2859 } 2860 softc->toc.entries[cdindex - toch->starting_track] = 2861 leadout.entry; 2862 } 2863 if (softc->quirks & CD_Q_BCD_TRACKS) { 2864 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2865 softc->toc.entries[cdindex].track = 2866 bcd2bin(softc->toc.entries[cdindex].track); 2867 } 2868 } 2869 2870 softc->flags |= CD_FLAG_VALID_TOC; 2871 softc->disk->d_maxsize = DFLTPHYS; 2872 softc->disk->d_sectorsize = softc->params.blksize; 2873 softc->disk->d_mediasize = 2874 (off_t)softc->params.blksize * softc->params.disksize; 2875 2876bailout: 2877 2878 /* 2879 * We unconditionally (re)set the blocksize each time the 2880 * CD device is opened. This is because the CD can change, 2881 * and therefore the blocksize might change. 2882 * XXX problems here if some slice or partition is still 2883 * open with the old size? 2884 */ 2885 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2886 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2887 softc->disk->d_devstat->block_size = softc->params.blksize; 2888 2889 return (error); 2890} 2891 2892static int 2893cdsize(struct cam_periph *periph, u_int32_t *size) 2894{ 2895 struct cd_softc *softc; 2896 union ccb *ccb; 2897 struct scsi_read_capacity_data *rcap_buf; 2898 int error; 2899 2900 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2901 2902 softc = (struct cd_softc *)periph->softc; 2903 2904 ccb = cdgetccb(periph, /* priority */ 1); 2905 2906 /* XXX Should be M_WAITOK */ 2907 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2908 M_SCSICD, M_NOWAIT); 2909 if (rcap_buf == NULL) 2910 return (ENOMEM); 2911 2912 scsi_read_capacity(&ccb->csio, 2913 /*retries*/ 1, 2914 cddone, 2915 MSG_SIMPLE_Q_TAG, 2916 rcap_buf, 2917 SSD_FULL_SIZE, 2918 /* timeout */20000); 2919 2920 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2921 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2922 2923 xpt_release_ccb(ccb); 2924 2925 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2926 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2927 /* 2928 * SCSI-3 mandates that the reported blocksize shall be 2048. 2929 * Older drives sometimes report funny values, trim it down to 2930 * 2048, or other parts of the kernel will get confused. 2931 * 2932 * XXX we leave drives alone that might report 512 bytes, as 2933 * well as drives reporting more weird sizes like perhaps 4K. 2934 */ 2935 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2936 softc->params.blksize = 2048; 2937 2938 free(rcap_buf, M_SCSICD); 2939 *size = softc->params.disksize; 2940 2941 return (error); 2942 2943} 2944 2945static int 2946cd6byteworkaround(union ccb *ccb) 2947{ 2948 u_int8_t *cdb; 2949 struct cam_periph *periph; 2950 struct cd_softc *softc; 2951 struct cd_mode_params *params; 2952 int frozen, found; 2953 2954 periph = xpt_path_periph(ccb->ccb_h.path); 2955 softc = (struct cd_softc *)periph->softc; 2956 2957 cdb = ccb->csio.cdb_io.cdb_bytes; 2958 2959 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2960 || ((cdb[0] != MODE_SENSE_6) 2961 && (cdb[0] != MODE_SELECT_6))) 2962 return (0); 2963 2964 /* 2965 * Because there is no convenient place to stash the overall 2966 * cd_mode_params structure pointer, we have to grab it like this. 2967 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2968 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2969 * 2970 * XXX It would be nice if, at some point, we could increase the 2971 * number of available peripheral private pointers. Both pointers 2972 * are currently used in most every peripheral driver. 2973 */ 2974 found = 0; 2975 2976 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2977 if (params->mode_buf == ccb->csio.data_ptr) { 2978 found = 1; 2979 break; 2980 } 2981 } 2982 2983 /* 2984 * This shouldn't happen. All mode sense and mode select 2985 * operations in the cd(4) driver MUST go through cdgetmode() and 2986 * cdsetmode()! 2987 */ 2988 if (found == 0) { 2989 xpt_print(periph->path, 2990 "mode buffer not found in mode queue!\n"); 2991 return (0); 2992 } 2993 2994 params->cdb_size = 10; 2995 softc->minimum_command_size = 10; 2996 xpt_print(ccb->ccb_h.path, 2997 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2998 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2999 3000 if (cdb[0] == MODE_SENSE_6) { 3001 struct scsi_mode_sense_10 ms10; 3002 struct scsi_mode_sense_6 *ms6; 3003 int len; 3004 3005 ms6 = (struct scsi_mode_sense_6 *)cdb; 3006 3007 bzero(&ms10, sizeof(ms10)); 3008 ms10.opcode = MODE_SENSE_10; 3009 ms10.byte2 = ms6->byte2; 3010 ms10.page = ms6->page; 3011 3012 /* 3013 * 10 byte mode header, block descriptor, 3014 * sizeof(union cd_pages) 3015 */ 3016 len = sizeof(struct cd_mode_data_10); 3017 ccb->csio.dxfer_len = len; 3018 3019 scsi_ulto2b(len, ms10.length); 3020 ms10.control = ms6->control; 3021 bcopy(&ms10, cdb, 10); 3022 ccb->csio.cdb_len = 10; 3023 } else { 3024 struct scsi_mode_select_10 ms10; 3025 struct scsi_mode_select_6 *ms6; 3026 struct scsi_mode_header_6 *header6; 3027 struct scsi_mode_header_10 *header10; 3028 struct scsi_mode_page_header *page_header; 3029 int blk_desc_len, page_num, page_size, len; 3030 3031 ms6 = (struct scsi_mode_select_6 *)cdb; 3032 3033 bzero(&ms10, sizeof(ms10)); 3034 ms10.opcode = MODE_SELECT_10; 3035 ms10.byte2 = ms6->byte2; 3036 3037 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3038 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3039 3040 page_header = find_mode_page_6(header6); 3041 page_num = page_header->page_code; 3042 3043 blk_desc_len = header6->blk_desc_len; 3044 3045 page_size = cdgetpagesize(page_num); 3046 3047 if (page_size != (page_header->page_length + 3048 sizeof(*page_header))) 3049 page_size = page_header->page_length + 3050 sizeof(*page_header); 3051 3052 len = sizeof(*header10) + blk_desc_len + page_size; 3053 3054 len = min(params->alloc_len, len); 3055 3056 /* 3057 * Since the 6 byte parameter header is shorter than the 10 3058 * byte parameter header, we need to copy the actual mode 3059 * page data, and the block descriptor, if any, so things wind 3060 * up in the right place. The regions will overlap, but 3061 * bcopy() does the right thing. 3062 */ 3063 bcopy(params->mode_buf + sizeof(*header6), 3064 params->mode_buf + sizeof(*header10), 3065 len - sizeof(*header10)); 3066 3067 /* Make sure these fields are set correctly. */ 3068 scsi_ulto2b(0, header10->data_length); 3069 header10->medium_type = 0; 3070 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3071 3072 ccb->csio.dxfer_len = len; 3073 3074 scsi_ulto2b(len, ms10.length); 3075 ms10.control = ms6->control; 3076 bcopy(&ms10, cdb, 10); 3077 ccb->csio.cdb_len = 10; 3078 } 3079 3080 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3081 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3082 xpt_action(ccb); 3083 if (frozen) { 3084 cam_release_devq(ccb->ccb_h.path, 3085 /*relsim_flags*/0, 3086 /*openings*/0, 3087 /*timeout*/0, 3088 /*getcount_only*/0); 3089 } 3090 3091 return (ERESTART); 3092} 3093 3094static int 3095cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3096{ 3097 struct cd_softc *softc; 3098 struct cam_periph *periph; 3099 int error; 3100 3101 periph = xpt_path_periph(ccb->ccb_h.path); 3102 softc = (struct cd_softc *)periph->softc; 3103 3104 error = 0; 3105 3106 /* 3107 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3108 * CDB comes back with this particular error, try transforming it 3109 * into the 10 byte version. 3110 */ 3111 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3112 error = cd6byteworkaround(ccb); 3113 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3114 CAM_SCSI_STATUS_ERROR) 3115 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3116 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3117 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3118 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3119 int sense_key, error_code, asc, ascq; 3120 3121 scsi_extract_sense(&ccb->csio.sense_data, 3122 &error_code, &sense_key, &asc, &ascq); 3123 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3124 error = cd6byteworkaround(ccb); 3125 } 3126 3127 if (error == ERESTART) 3128 return (error); 3129 3130 /* 3131 * XXX 3132 * Until we have a better way of doing pack validation, 3133 * don't treat UAs as errors. 3134 */ 3135 sense_flags |= SF_RETRY_UA; 3136 return (cam_periph_error(ccb, cam_flags, sense_flags, 3137 &softc->saved_ccb)); 3138} 3139 3140/* 3141 * Read table of contents 3142 */ 3143static int 3144cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3145 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3146{ 3147 struct scsi_read_toc *scsi_cmd; 3148 u_int32_t ntoc; 3149 struct ccb_scsiio *csio; 3150 union ccb *ccb; 3151 int error; 3152 3153 ntoc = len; 3154 error = 0; 3155 3156 ccb = cdgetccb(periph, /* priority */ 1); 3157 3158 csio = &ccb->csio; 3159 3160 cam_fill_csio(csio, 3161 /* retries */ 1, 3162 /* cbfcnp */ cddone, 3163 /* flags */ CAM_DIR_IN, 3164 /* tag_action */ MSG_SIMPLE_Q_TAG, 3165 /* data_ptr */ data, 3166 /* dxfer_len */ len, 3167 /* sense_len */ SSD_FULL_SIZE, 3168 sizeof(struct scsi_read_toc), 3169 /* timeout */ 50000); 3170 3171 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3172 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3173 3174 if (mode == CD_MSF_FORMAT) 3175 scsi_cmd->byte2 |= CD_MSF; 3176 scsi_cmd->from_track = start; 3177 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3178 scsi_cmd->data_len[0] = (ntoc) >> 8; 3179 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3180 3181 scsi_cmd->op_code = READ_TOC; 3182 3183 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3184 /*sense_flags*/SF_RETRY_UA | sense_flags); 3185 3186 xpt_release_ccb(ccb); 3187 3188 return(error); 3189} 3190 3191static int 3192cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3193 u_int32_t format, int track, 3194 struct cd_sub_channel_info *data, u_int32_t len) 3195{ 3196 struct scsi_read_subchannel *scsi_cmd; 3197 struct ccb_scsiio *csio; 3198 union ccb *ccb; 3199 int error; 3200 3201 error = 0; 3202 3203 ccb = cdgetccb(periph, /* priority */ 1); 3204 3205 csio = &ccb->csio; 3206 3207 cam_fill_csio(csio, 3208 /* retries */ 1, 3209 /* cbfcnp */ cddone, 3210 /* flags */ CAM_DIR_IN, 3211 /* tag_action */ MSG_SIMPLE_Q_TAG, 3212 /* data_ptr */ (u_int8_t *)data, 3213 /* dxfer_len */ len, 3214 /* sense_len */ SSD_FULL_SIZE, 3215 sizeof(struct scsi_read_subchannel), 3216 /* timeout */ 50000); 3217 3218 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3219 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3220 3221 scsi_cmd->op_code = READ_SUBCHANNEL; 3222 if (mode == CD_MSF_FORMAT) 3223 scsi_cmd->byte1 |= CD_MSF; 3224 scsi_cmd->byte2 = SRS_SUBQ; 3225 scsi_cmd->subchan_format = format; 3226 scsi_cmd->track = track; 3227 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3228 scsi_cmd->control = 0; 3229 3230 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3231 /*sense_flags*/SF_RETRY_UA); 3232 3233 xpt_release_ccb(ccb); 3234 3235 return(error); 3236} 3237 3238 3239/* 3240 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3241 * routine. See comments in cd6byteworkaround() for details. 3242 */ 3243static int 3244cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3245 u_int32_t page) 3246{ 3247 struct ccb_scsiio *csio; 3248 struct cd_softc *softc; 3249 union ccb *ccb; 3250 int param_len; 3251 int error; 3252 3253 softc = (struct cd_softc *)periph->softc; 3254 3255 ccb = cdgetccb(periph, /* priority */ 1); 3256 3257 csio = &ccb->csio; 3258 3259 data->cdb_size = softc->minimum_command_size; 3260 if (data->cdb_size < 10) 3261 param_len = sizeof(struct cd_mode_data); 3262 else 3263 param_len = sizeof(struct cd_mode_data_10); 3264 3265 /* Don't say we've got more room than we actually allocated */ 3266 param_len = min(param_len, data->alloc_len); 3267 3268 scsi_mode_sense_len(csio, 3269 /* retries */ 1, 3270 /* cbfcnp */ cddone, 3271 /* tag_action */ MSG_SIMPLE_Q_TAG, 3272 /* dbd */ 0, 3273 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3274 /* page */ page, 3275 /* param_buf */ data->mode_buf, 3276 /* param_len */ param_len, 3277 /* minimum_cmd_size */ softc->minimum_command_size, 3278 /* sense_len */ SSD_FULL_SIZE, 3279 /* timeout */ 50000); 3280 3281 /* 3282 * It would be nice not to have to do this, but there's no 3283 * available pointer in the CCB that would allow us to stuff the 3284 * mode params structure in there and retrieve it in 3285 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3286 * lets the caller know what CDB size we ended up using, so they 3287 * can find the actual mode page offset. 3288 */ 3289 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3290 3291 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3292 /*sense_flags*/SF_RETRY_UA); 3293 3294 xpt_release_ccb(ccb); 3295 3296 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3297 3298 /* 3299 * This is a bit of belt-and-suspenders checking, but if we run 3300 * into a situation where the target sends back multiple block 3301 * descriptors, we might not have enough space in the buffer to 3302 * see the whole mode page. Better to return an error than 3303 * potentially access memory beyond our malloced region. 3304 */ 3305 if (error == 0) { 3306 u_int32_t data_len; 3307 3308 if (data->cdb_size == 10) { 3309 struct scsi_mode_header_10 *hdr10; 3310 3311 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3312 data_len = scsi_2btoul(hdr10->data_length); 3313 data_len += sizeof(hdr10->data_length); 3314 } else { 3315 struct scsi_mode_header_6 *hdr6; 3316 3317 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3318 data_len = hdr6->data_length; 3319 data_len += sizeof(hdr6->data_length); 3320 } 3321 3322 /* 3323 * Complain if there is more mode data available than we 3324 * allocated space for. This could potentially happen if 3325 * we miscalculated the page length for some reason, if the 3326 * drive returns multiple block descriptors, or if it sets 3327 * the data length incorrectly. 3328 */ 3329 if (data_len > data->alloc_len) { 3330 xpt_print(periph->path, "allocated modepage %d length " 3331 "%d < returned length %d\n", page, data->alloc_len, 3332 data_len); 3333 error = ENOSPC; 3334 } 3335 } 3336 return (error); 3337} 3338 3339/* 3340 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3341 * routine. See comments in cd6byteworkaround() for details. 3342 */ 3343static int 3344cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3345{ 3346 struct ccb_scsiio *csio; 3347 struct cd_softc *softc; 3348 union ccb *ccb; 3349 int cdb_size, param_len; 3350 int error; 3351 3352 softc = (struct cd_softc *)periph->softc; 3353 3354 ccb = cdgetccb(periph, /* priority */ 1); 3355 3356 csio = &ccb->csio; 3357 3358 error = 0; 3359 3360 /* 3361 * If the data is formatted for the 10 byte version of the mode 3362 * select parameter list, we need to use the 10 byte CDB. 3363 * Otherwise, we use whatever the stored minimum command size. 3364 */ 3365 if (data->cdb_size == 10) 3366 cdb_size = data->cdb_size; 3367 else 3368 cdb_size = softc->minimum_command_size; 3369 3370 if (cdb_size >= 10) { 3371 struct scsi_mode_header_10 *mode_header; 3372 u_int32_t data_len; 3373 3374 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3375 3376 data_len = scsi_2btoul(mode_header->data_length); 3377 3378 scsi_ulto2b(0, mode_header->data_length); 3379 /* 3380 * SONY drives do not allow a mode select with a medium_type 3381 * value that has just been returned by a mode sense; use a 3382 * medium_type of 0 (Default) instead. 3383 */ 3384 mode_header->medium_type = 0; 3385 3386 /* 3387 * Pass back whatever the drive passed to us, plus the size 3388 * of the data length field. 3389 */ 3390 param_len = data_len + sizeof(mode_header->data_length); 3391 3392 } else { 3393 struct scsi_mode_header_6 *mode_header; 3394 3395 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3396 3397 param_len = mode_header->data_length + 1; 3398 3399 mode_header->data_length = 0; 3400 /* 3401 * SONY drives do not allow a mode select with a medium_type 3402 * value that has just been returned by a mode sense; use a 3403 * medium_type of 0 (Default) instead. 3404 */ 3405 mode_header->medium_type = 0; 3406 } 3407 3408 /* Don't say we've got more room than we actually allocated */ 3409 param_len = min(param_len, data->alloc_len); 3410 3411 scsi_mode_select_len(csio, 3412 /* retries */ 1, 3413 /* cbfcnp */ cddone, 3414 /* tag_action */ MSG_SIMPLE_Q_TAG, 3415 /* scsi_page_fmt */ 1, 3416 /* save_pages */ 0, 3417 /* param_buf */ data->mode_buf, 3418 /* param_len */ param_len, 3419 /* minimum_cmd_size */ cdb_size, 3420 /* sense_len */ SSD_FULL_SIZE, 3421 /* timeout */ 50000); 3422 3423 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3424 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3425 3426 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3427 /*sense_flags*/SF_RETRY_UA); 3428 3429 xpt_release_ccb(ccb); 3430 3431 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3432 3433 return (error); 3434} 3435 3436 3437static int 3438cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3439{ 3440 struct ccb_scsiio *csio; 3441 union ccb *ccb; 3442 int error; 3443 u_int8_t cdb_len; 3444 3445 error = 0; 3446 ccb = cdgetccb(periph, /* priority */ 1); 3447 csio = &ccb->csio; 3448 /* 3449 * Use the smallest possible command to perform the operation. 3450 */ 3451 if ((len & 0xffff0000) == 0) { 3452 /* 3453 * We can fit in a 10 byte cdb. 3454 */ 3455 struct scsi_play_10 *scsi_cmd; 3456 3457 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3458 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3459 scsi_cmd->op_code = PLAY_10; 3460 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3461 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3462 cdb_len = sizeof(*scsi_cmd); 3463 } else { 3464 struct scsi_play_12 *scsi_cmd; 3465 3466 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3467 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3468 scsi_cmd->op_code = PLAY_12; 3469 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3470 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3471 cdb_len = sizeof(*scsi_cmd); 3472 } 3473 cam_fill_csio(csio, 3474 /*retries*/2, 3475 cddone, 3476 /*flags*/CAM_DIR_NONE, 3477 MSG_SIMPLE_Q_TAG, 3478 /*dataptr*/NULL, 3479 /*datalen*/0, 3480 /*sense_len*/SSD_FULL_SIZE, 3481 cdb_len, 3482 /*timeout*/50 * 1000); 3483 3484 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3485 /*sense_flags*/SF_RETRY_UA); 3486 3487 xpt_release_ccb(ccb); 3488 3489 return(error); 3490} 3491 3492static int 3493cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3494 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3495{ 3496 struct scsi_play_msf *scsi_cmd; 3497 struct ccb_scsiio *csio; 3498 union ccb *ccb; 3499 int error; 3500 3501 error = 0; 3502 3503 ccb = cdgetccb(periph, /* priority */ 1); 3504 3505 csio = &ccb->csio; 3506 3507 cam_fill_csio(csio, 3508 /* retries */ 1, 3509 /* cbfcnp */ cddone, 3510 /* flags */ CAM_DIR_NONE, 3511 /* tag_action */ MSG_SIMPLE_Q_TAG, 3512 /* data_ptr */ NULL, 3513 /* dxfer_len */ 0, 3514 /* sense_len */ SSD_FULL_SIZE, 3515 sizeof(struct scsi_play_msf), 3516 /* timeout */ 50000); 3517 3518 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3519 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3520 3521 scsi_cmd->op_code = PLAY_MSF; 3522 scsi_cmd->start_m = startm; 3523 scsi_cmd->start_s = starts; 3524 scsi_cmd->start_f = startf; 3525 scsi_cmd->end_m = endm; 3526 scsi_cmd->end_s = ends; 3527 scsi_cmd->end_f = endf; 3528 3529 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3530 /*sense_flags*/SF_RETRY_UA); 3531 3532 xpt_release_ccb(ccb); 3533 3534 return(error); 3535} 3536 3537 3538static int 3539cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3540 u_int32_t etrack, u_int32_t eindex) 3541{ 3542 struct scsi_play_track *scsi_cmd; 3543 struct ccb_scsiio *csio; 3544 union ccb *ccb; 3545 int error; 3546 3547 error = 0; 3548 3549 ccb = cdgetccb(periph, /* priority */ 1); 3550 3551 csio = &ccb->csio; 3552 3553 cam_fill_csio(csio, 3554 /* retries */ 1, 3555 /* cbfcnp */ cddone, 3556 /* flags */ CAM_DIR_NONE, 3557 /* tag_action */ MSG_SIMPLE_Q_TAG, 3558 /* data_ptr */ NULL, 3559 /* dxfer_len */ 0, 3560 /* sense_len */ SSD_FULL_SIZE, 3561 sizeof(struct scsi_play_track), 3562 /* timeout */ 50000); 3563 3564 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3565 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3566 3567 scsi_cmd->op_code = PLAY_TRACK; 3568 scsi_cmd->start_track = strack; 3569 scsi_cmd->start_index = sindex; 3570 scsi_cmd->end_track = etrack; 3571 scsi_cmd->end_index = eindex; 3572 3573 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3574 /*sense_flags*/SF_RETRY_UA); 3575 3576 xpt_release_ccb(ccb); 3577 3578 return(error); 3579} 3580 3581static int 3582cdpause(struct cam_periph *periph, u_int32_t go) 3583{ 3584 struct scsi_pause *scsi_cmd; 3585 struct ccb_scsiio *csio; 3586 union ccb *ccb; 3587 int error; 3588 3589 error = 0; 3590 3591 ccb = cdgetccb(periph, /* priority */ 1); 3592 3593 csio = &ccb->csio; 3594 3595 cam_fill_csio(csio, 3596 /* retries */ 1, 3597 /* cbfcnp */ cddone, 3598 /* flags */ CAM_DIR_NONE, 3599 /* tag_action */ MSG_SIMPLE_Q_TAG, 3600 /* data_ptr */ NULL, 3601 /* dxfer_len */ 0, 3602 /* sense_len */ SSD_FULL_SIZE, 3603 sizeof(struct scsi_pause), 3604 /* timeout */ 50000); 3605 3606 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3607 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3608 3609 scsi_cmd->op_code = PAUSE; 3610 scsi_cmd->resume = go; 3611 3612 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3613 /*sense_flags*/SF_RETRY_UA); 3614 3615 xpt_release_ccb(ccb); 3616 3617 return(error); 3618} 3619 3620static int 3621cdstartunit(struct cam_periph *periph, int load) 3622{ 3623 union ccb *ccb; 3624 int error; 3625 3626 error = 0; 3627 3628 ccb = cdgetccb(periph, /* priority */ 1); 3629 3630 scsi_start_stop(&ccb->csio, 3631 /* retries */ 1, 3632 /* cbfcnp */ cddone, 3633 /* tag_action */ MSG_SIMPLE_Q_TAG, 3634 /* start */ TRUE, 3635 /* load_eject */ load, 3636 /* immediate */ FALSE, 3637 /* sense_len */ SSD_FULL_SIZE, 3638 /* timeout */ 50000); 3639 3640 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3641 /*sense_flags*/SF_RETRY_UA); 3642 3643 xpt_release_ccb(ccb); 3644 3645 return(error); 3646} 3647 3648static int 3649cdstopunit(struct cam_periph *periph, u_int32_t eject) 3650{ 3651 union ccb *ccb; 3652 int error; 3653 3654 error = 0; 3655 3656 ccb = cdgetccb(periph, /* priority */ 1); 3657 3658 scsi_start_stop(&ccb->csio, 3659 /* retries */ 1, 3660 /* cbfcnp */ cddone, 3661 /* tag_action */ MSG_SIMPLE_Q_TAG, 3662 /* start */ FALSE, 3663 /* load_eject */ eject, 3664 /* immediate */ FALSE, 3665 /* sense_len */ SSD_FULL_SIZE, 3666 /* timeout */ 50000); 3667 3668 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3669 /*sense_flags*/SF_RETRY_UA); 3670 3671 xpt_release_ccb(ccb); 3672 3673 return(error); 3674} 3675 3676static int 3677cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3678{ 3679 struct scsi_set_speed *scsi_cmd; 3680 struct ccb_scsiio *csio; 3681 union ccb *ccb; 3682 int error; 3683 3684 error = 0; 3685 ccb = cdgetccb(periph, /* priority */ 1); 3686 csio = &ccb->csio; 3687 3688 /* Preserve old behavior: units in multiples of CDROM speed */ 3689 if (rdspeed < 177) 3690 rdspeed *= 177; 3691 if (wrspeed < 177) 3692 wrspeed *= 177; 3693 3694 cam_fill_csio(csio, 3695 /* retries */ 1, 3696 /* cbfcnp */ cddone, 3697 /* flags */ CAM_DIR_NONE, 3698 /* tag_action */ MSG_SIMPLE_Q_TAG, 3699 /* data_ptr */ NULL, 3700 /* dxfer_len */ 0, 3701 /* sense_len */ SSD_FULL_SIZE, 3702 sizeof(struct scsi_set_speed), 3703 /* timeout */ 50000); 3704 3705 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3706 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3707 3708 scsi_cmd->opcode = SET_CD_SPEED; 3709 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3710 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3711 3712 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3713 /*sense_flags*/SF_RETRY_UA); 3714 3715 xpt_release_ccb(ccb); 3716 3717 return(error); 3718} 3719 3720static int 3721cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3722{ 3723 union ccb *ccb; 3724 u_int8_t *databuf; 3725 u_int32_t lba; 3726 int error; 3727 int length; 3728 3729 error = 0; 3730 databuf = NULL; 3731 lba = 0; 3732 3733 ccb = cdgetccb(periph, /* priority */ 1); 3734 3735 switch (authinfo->format) { 3736 case DVD_REPORT_AGID: 3737 length = sizeof(struct scsi_report_key_data_agid); 3738 break; 3739 case DVD_REPORT_CHALLENGE: 3740 length = sizeof(struct scsi_report_key_data_challenge); 3741 break; 3742 case DVD_REPORT_KEY1: 3743 length = sizeof(struct scsi_report_key_data_key1_key2); 3744 break; 3745 case DVD_REPORT_TITLE_KEY: 3746 length = sizeof(struct scsi_report_key_data_title); 3747 /* The lba field is only set for the title key */ 3748 lba = authinfo->lba; 3749 break; 3750 case DVD_REPORT_ASF: 3751 length = sizeof(struct scsi_report_key_data_asf); 3752 break; 3753 case DVD_REPORT_RPC: 3754 length = sizeof(struct scsi_report_key_data_rpc); 3755 break; 3756 case DVD_INVALIDATE_AGID: 3757 length = 0; 3758 break; 3759 default: 3760 error = EINVAL; 3761 goto bailout; 3762 break; /* NOTREACHED */ 3763 } 3764 3765 if (length != 0) { 3766 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3767 } else 3768 databuf = NULL; 3769 3770 3771 scsi_report_key(&ccb->csio, 3772 /* retries */ 1, 3773 /* cbfcnp */ cddone, 3774 /* tag_action */ MSG_SIMPLE_Q_TAG, 3775 /* lba */ lba, 3776 /* agid */ authinfo->agid, 3777 /* key_format */ authinfo->format, 3778 /* data_ptr */ databuf, 3779 /* dxfer_len */ length, 3780 /* sense_len */ SSD_FULL_SIZE, 3781 /* timeout */ 50000); 3782 3783 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3784 /*sense_flags*/SF_RETRY_UA); 3785 3786 if (error != 0) 3787 goto bailout; 3788 3789 if (ccb->csio.resid != 0) { 3790 xpt_print(periph->path, "warning, residual for report key " 3791 "command is %d\n", ccb->csio.resid); 3792 } 3793 3794 switch(authinfo->format) { 3795 case DVD_REPORT_AGID: { 3796 struct scsi_report_key_data_agid *agid_data; 3797 3798 agid_data = (struct scsi_report_key_data_agid *)databuf; 3799 3800 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3801 RKD_AGID_SHIFT; 3802 break; 3803 } 3804 case DVD_REPORT_CHALLENGE: { 3805 struct scsi_report_key_data_challenge *chal_data; 3806 3807 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3808 3809 bcopy(chal_data->challenge_key, authinfo->keychal, 3810 min(sizeof(chal_data->challenge_key), 3811 sizeof(authinfo->keychal))); 3812 break; 3813 } 3814 case DVD_REPORT_KEY1: { 3815 struct scsi_report_key_data_key1_key2 *key1_data; 3816 3817 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3818 3819 bcopy(key1_data->key1, authinfo->keychal, 3820 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3821 break; 3822 } 3823 case DVD_REPORT_TITLE_KEY: { 3824 struct scsi_report_key_data_title *title_data; 3825 3826 title_data = (struct scsi_report_key_data_title *)databuf; 3827 3828 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3829 RKD_TITLE_CPM_SHIFT; 3830 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3831 RKD_TITLE_CP_SEC_SHIFT; 3832 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3833 RKD_TITLE_CMGS_SHIFT; 3834 bcopy(title_data->title_key, authinfo->keychal, 3835 min(sizeof(title_data->title_key), 3836 sizeof(authinfo->keychal))); 3837 break; 3838 } 3839 case DVD_REPORT_ASF: { 3840 struct scsi_report_key_data_asf *asf_data; 3841 3842 asf_data = (struct scsi_report_key_data_asf *)databuf; 3843 3844 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3845 break; 3846 } 3847 case DVD_REPORT_RPC: { 3848 struct scsi_report_key_data_rpc *rpc_data; 3849 3850 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3851 3852 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3853 RKD_RPC_TYPE_SHIFT; 3854 authinfo->vend_rsts = 3855 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3856 RKD_RPC_VENDOR_RESET_SHIFT; 3857 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3858 authinfo->region = rpc_data->region_mask; 3859 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3860 break; 3861 } 3862 case DVD_INVALIDATE_AGID: 3863 break; 3864 default: 3865 /* This should be impossible, since we checked above */ 3866 error = EINVAL; 3867 goto bailout; 3868 break; /* NOTREACHED */ 3869 } 3870bailout: 3871 if (databuf != NULL) 3872 free(databuf, M_DEVBUF); 3873 3874 xpt_release_ccb(ccb); 3875 3876 return(error); 3877} 3878 3879static int 3880cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3881{ 3882 union ccb *ccb; 3883 u_int8_t *databuf; 3884 int length; 3885 int error; 3886 3887 error = 0; 3888 databuf = NULL; 3889 3890 ccb = cdgetccb(periph, /* priority */ 1); 3891 3892 switch(authinfo->format) { 3893 case DVD_SEND_CHALLENGE: { 3894 struct scsi_report_key_data_challenge *challenge_data; 3895 3896 length = sizeof(*challenge_data); 3897 3898 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3899 3900 databuf = (u_int8_t *)challenge_data; 3901 3902 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3903 challenge_data->data_len); 3904 3905 bcopy(authinfo->keychal, challenge_data->challenge_key, 3906 min(sizeof(authinfo->keychal), 3907 sizeof(challenge_data->challenge_key))); 3908 break; 3909 } 3910 case DVD_SEND_KEY2: { 3911 struct scsi_report_key_data_key1_key2 *key2_data; 3912 3913 length = sizeof(*key2_data); 3914 3915 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3916 3917 databuf = (u_int8_t *)key2_data; 3918 3919 scsi_ulto2b(length - sizeof(key2_data->data_len), 3920 key2_data->data_len); 3921 3922 bcopy(authinfo->keychal, key2_data->key1, 3923 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3924 3925 break; 3926 } 3927 case DVD_SEND_RPC: { 3928 struct scsi_send_key_data_rpc *rpc_data; 3929 3930 length = sizeof(*rpc_data); 3931 3932 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3933 3934 databuf = (u_int8_t *)rpc_data; 3935 3936 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3937 rpc_data->data_len); 3938 3939 rpc_data->region_code = authinfo->region; 3940 break; 3941 } 3942 default: 3943 error = EINVAL; 3944 goto bailout; 3945 break; /* NOTREACHED */ 3946 } 3947 3948 scsi_send_key(&ccb->csio, 3949 /* retries */ 1, 3950 /* cbfcnp */ cddone, 3951 /* tag_action */ MSG_SIMPLE_Q_TAG, 3952 /* agid */ authinfo->agid, 3953 /* key_format */ authinfo->format, 3954 /* data_ptr */ databuf, 3955 /* dxfer_len */ length, 3956 /* sense_len */ SSD_FULL_SIZE, 3957 /* timeout */ 50000); 3958 3959 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3960 /*sense_flags*/SF_RETRY_UA); 3961 3962bailout: 3963 3964 if (databuf != NULL) 3965 free(databuf, M_DEVBUF); 3966 3967 xpt_release_ccb(ccb); 3968 3969 return(error); 3970} 3971 3972static int 3973cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3974{ 3975 union ccb *ccb; 3976 u_int8_t *databuf; 3977 u_int32_t address; 3978 int error; 3979 int length; 3980 3981 error = 0; 3982 databuf = NULL; 3983 /* The address is reserved for many of the formats */ 3984 address = 0; 3985 3986 ccb = cdgetccb(periph, /* priority */ 1); 3987 3988 switch(dvdstruct->format) { 3989 case DVD_STRUCT_PHYSICAL: 3990 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3991 break; 3992 case DVD_STRUCT_COPYRIGHT: 3993 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3994 break; 3995 case DVD_STRUCT_DISCKEY: 3996 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3997 break; 3998 case DVD_STRUCT_BCA: 3999 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4000 break; 4001 case DVD_STRUCT_MANUFACT: 4002 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4003 break; 4004 case DVD_STRUCT_CMI: 4005 error = ENODEV; 4006 goto bailout; 4007#ifdef notyet 4008 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4009 address = dvdstruct->address; 4010#endif 4011 break; /* NOTREACHED */ 4012 case DVD_STRUCT_PROTDISCID: 4013 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4014 break; 4015 case DVD_STRUCT_DISCKEYBLOCK: 4016 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4017 break; 4018 case DVD_STRUCT_DDS: 4019 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4020 break; 4021 case DVD_STRUCT_MEDIUM_STAT: 4022 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4023 break; 4024 case DVD_STRUCT_SPARE_AREA: 4025 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4026 break; 4027 case DVD_STRUCT_RMD_LAST: 4028 error = ENODEV; 4029 goto bailout; 4030#ifdef notyet 4031 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4032 address = dvdstruct->address; 4033#endif 4034 break; /* NOTREACHED */ 4035 case DVD_STRUCT_RMD_RMA: 4036 error = ENODEV; 4037 goto bailout; 4038#ifdef notyet 4039 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4040 address = dvdstruct->address; 4041#endif 4042 break; /* NOTREACHED */ 4043 case DVD_STRUCT_PRERECORDED: 4044 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4045 break; 4046 case DVD_STRUCT_UNIQUEID: 4047 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4048 break; 4049 case DVD_STRUCT_DCB: 4050 error = ENODEV; 4051 goto bailout; 4052#ifdef notyet 4053 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4054 address = dvdstruct->address; 4055#endif 4056 break; /* NOTREACHED */ 4057 case DVD_STRUCT_LIST: 4058 /* 4059 * This is the maximum allocation length for the READ DVD 4060 * STRUCTURE command. There's nothing in the MMC3 spec 4061 * that indicates a limit in the amount of data that can 4062 * be returned from this call, other than the limits 4063 * imposed by the 2-byte length variables. 4064 */ 4065 length = 65535; 4066 break; 4067 default: 4068 error = EINVAL; 4069 goto bailout; 4070 break; /* NOTREACHED */ 4071 } 4072 4073 if (length != 0) { 4074 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4075 } else 4076 databuf = NULL; 4077 4078 scsi_read_dvd_structure(&ccb->csio, 4079 /* retries */ 1, 4080 /* cbfcnp */ cddone, 4081 /* tag_action */ MSG_SIMPLE_Q_TAG, 4082 /* lba */ address, 4083 /* layer_number */ dvdstruct->layer_num, 4084 /* key_format */ dvdstruct->format, 4085 /* agid */ dvdstruct->agid, 4086 /* data_ptr */ databuf, 4087 /* dxfer_len */ length, 4088 /* sense_len */ SSD_FULL_SIZE, 4089 /* timeout */ 50000); 4090 4091 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4092 /*sense_flags*/SF_RETRY_UA); 4093 4094 if (error != 0) 4095 goto bailout; 4096 4097 switch(dvdstruct->format) { 4098 case DVD_STRUCT_PHYSICAL: { 4099 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4100 struct dvd_layer *outlayer; 4101 struct scsi_read_dvd_struct_data_physical *phys_data; 4102 4103 phys_data = 4104 (struct scsi_read_dvd_struct_data_physical *)databuf; 4105 inlayer = &phys_data->layer_desc; 4106 outlayer = (struct dvd_layer *)&dvdstruct->data; 4107 4108 dvdstruct->length = sizeof(*inlayer); 4109 4110 outlayer->book_type = (inlayer->book_type_version & 4111 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4112 outlayer->book_version = (inlayer->book_type_version & 4113 RDSD_BOOK_VERSION_MASK); 4114 outlayer->disc_size = (inlayer->disc_size_max_rate & 4115 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4116 outlayer->max_rate = (inlayer->disc_size_max_rate & 4117 RDSD_MAX_RATE_MASK); 4118 outlayer->nlayers = (inlayer->layer_info & 4119 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4120 outlayer->track_path = (inlayer->layer_info & 4121 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4122 outlayer->layer_type = (inlayer->layer_info & 4123 RDSD_LAYER_TYPE_MASK); 4124 outlayer->linear_density = (inlayer->density & 4125 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4126 outlayer->track_density = (inlayer->density & 4127 RDSD_TRACK_DENSITY_MASK); 4128 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4129 RDSD_BCA_SHIFT; 4130 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4131 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4132 outlayer->end_sector_l0 = 4133 scsi_3btoul(inlayer->end_sector_layer0); 4134 break; 4135 } 4136 case DVD_STRUCT_COPYRIGHT: { 4137 struct scsi_read_dvd_struct_data_copyright *copy_data; 4138 4139 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4140 databuf; 4141 4142 dvdstruct->cpst = copy_data->cps_type; 4143 dvdstruct->rmi = copy_data->region_info; 4144 dvdstruct->length = 0; 4145 4146 break; 4147 } 4148 default: 4149 /* 4150 * Tell the user what the overall length is, no matter 4151 * what we can actually fit in the data buffer. 4152 */ 4153 dvdstruct->length = length - ccb->csio.resid - 4154 sizeof(struct scsi_read_dvd_struct_data_header); 4155 4156 /* 4157 * But only actually copy out the smaller of what we read 4158 * in or what the structure can take. 4159 */ 4160 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4161 dvdstruct->data, 4162 min(sizeof(dvdstruct->data), dvdstruct->length)); 4163 break; 4164 } 4165bailout: 4166 4167 if (databuf != NULL) 4168 free(databuf, M_DEVBUF); 4169 4170 xpt_release_ccb(ccb); 4171 4172 return(error); 4173} 4174 4175void 4176scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4177 void (*cbfcnp)(struct cam_periph *, union ccb *), 4178 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4179 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4180 u_int8_t sense_len, u_int32_t timeout) 4181{ 4182 struct scsi_report_key *scsi_cmd; 4183 4184 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4185 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4186 scsi_cmd->opcode = REPORT_KEY; 4187 scsi_ulto4b(lba, scsi_cmd->lba); 4188 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4189 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4190 (key_format & RK_KF_KEYFORMAT_MASK); 4191 4192 cam_fill_csio(csio, 4193 retries, 4194 cbfcnp, 4195 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4196 tag_action, 4197 /*data_ptr*/ data_ptr, 4198 /*dxfer_len*/ dxfer_len, 4199 sense_len, 4200 sizeof(*scsi_cmd), 4201 timeout); 4202} 4203 4204void 4205scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4206 void (*cbfcnp)(struct cam_periph *, union ccb *), 4207 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4208 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4209 u_int32_t timeout) 4210{ 4211 struct scsi_send_key *scsi_cmd; 4212 4213 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4214 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4215 scsi_cmd->opcode = SEND_KEY; 4216 4217 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4218 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4219 (key_format & RK_KF_KEYFORMAT_MASK); 4220 4221 cam_fill_csio(csio, 4222 retries, 4223 cbfcnp, 4224 /*flags*/ CAM_DIR_OUT, 4225 tag_action, 4226 /*data_ptr*/ data_ptr, 4227 /*dxfer_len*/ dxfer_len, 4228 sense_len, 4229 sizeof(*scsi_cmd), 4230 timeout); 4231} 4232 4233 4234void 4235scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4236 void (*cbfcnp)(struct cam_periph *, union ccb *), 4237 u_int8_t tag_action, u_int32_t address, 4238 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4239 u_int8_t *data_ptr, u_int32_t dxfer_len, 4240 u_int8_t sense_len, u_int32_t timeout) 4241{ 4242 struct scsi_read_dvd_structure *scsi_cmd; 4243 4244 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4245 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4246 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4247 4248 scsi_ulto4b(address, scsi_cmd->address); 4249 scsi_cmd->layer_number = layer_number; 4250 scsi_cmd->format = format; 4251 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4252 /* The AGID is the top two bits of this byte */ 4253 scsi_cmd->agid = agid << 6; 4254 4255 cam_fill_csio(csio, 4256 retries, 4257 cbfcnp, 4258 /*flags*/ CAM_DIR_IN, 4259 tag_action, 4260 /*data_ptr*/ data_ptr, 4261 /*dxfer_len*/ dxfer_len, 4262 sense_len, 4263 sizeof(*scsi_cmd), 4264 timeout); 4265} 4266