scsi_cd.c revision 199279
1241675Suqs/*- 2241675Suqs * Copyright (c) 1997 Justin T. Gibbs. 3241675Suqs * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4241675Suqs * All rights reserved. 5241675Suqs * 6241675Suqs * Redistribution and use in source and binary forms, with or without 7241675Suqs * modification, are permitted provided that the following conditions 8241675Suqs * are met: 9241675Suqs * 1. Redistributions of source code must retain the above copyright 10241675Suqs * notice, this list of conditions, and the following disclaimer, 11241675Suqs * without modification, immediately at the beginning of the file. 12241675Suqs * 2. The name of the author may not be used to endorse or promote products 13241675Suqs * derived from this software without specific prior written permission. 14241675Suqs * 15241675Suqs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16241675Suqs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17241675Suqs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18241675Suqs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19241675Suqs * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20241675Suqs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21241675Suqs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22241675Suqs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23241675Suqs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24241675Suqs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25241675Suqs * SUCH DAMAGE. 26241675Suqs */ 27241675Suqs 28241675Suqs/*- 29241675Suqs * Portions of this driver taken from the original FreeBSD cd driver. 30241675Suqs * Written by Julian Elischer (julian@tfs.com) 31241675Suqs * for TRW Financial Systems for use under the MACH(2.5) operating system. 32241675Suqs * 33241675Suqs * TRW Financial Systems, in accordance with their agreement with Carnegie 34241675Suqs * Mellon University, makes this software available to CMU to distribute 35241675Suqs * or use in any manner that they see fit as long as this message is kept with 36241675Suqs * the software. For this reason TFS also grants any other persons or 37241675Suqs * organisations permission to use or modify this software. 38241675Suqs * 39241675Suqs * TFS supplies this software to be publicly redistributed 40241675Suqs * on the understanding that TFS is not responsible for the correct 41241675Suqs * functioning of this software in any circumstances. 42241675Suqs * 43241675Suqs * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44241675Suqs * 45241675Suqs * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46241675Suqs */ 47241675Suqs 48241675Suqs#include <sys/cdefs.h> 49241675Suqs__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_cd.c 199279 2009-11-14 20:13:38Z mav $"); 50241675Suqs 51241675Suqs#include "opt_cd.h" 52241675Suqs 53241675Suqs#include <sys/param.h> 54241675Suqs#include <sys/systm.h> 55241675Suqs#include <sys/kernel.h> 56241675Suqs#include <sys/bio.h> 57241675Suqs#include <sys/conf.h> 58241675Suqs#include <sys/disk.h> 59241675Suqs#include <sys/malloc.h> 60241675Suqs#include <sys/cdio.h> 61241675Suqs#include <sys/cdrio.h> 62241675Suqs#include <sys/dvdio.h> 63241675Suqs#include <sys/devicestat.h> 64241675Suqs#include <sys/sysctl.h> 65241675Suqs#include <sys/taskqueue.h> 66241675Suqs#include <geom/geom_disk.h> 67241675Suqs 68241675Suqs#include <cam/cam.h> 69241675Suqs#include <cam/cam_ccb.h> 70241675Suqs#include <cam/cam_periph.h> 71241675Suqs#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, CAM_PRIORITY_NORMAL); 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 = CAM_PRIORITY_NORMAL; 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, CAM_PRIORITY_NORMAL); 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 = CAM_PRIORITY_NORMAL; 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, CAM_PRIORITY_NORMAL); 1425 else 1426 cdschedule(periph, CAM_PRIORITY_NORMAL); 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, CAM_PRIORITY_NORMAL); 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 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1574 cam_release_devq(done_ccb->ccb_h.path, 1575 /*relsim_flags*/0, 1576 /*reduction*/0, 1577 /*timeout*/0, 1578 /*getcount_only*/0); 1579 1580 } else { 1581 bp->bio_resid = csio->resid; 1582 bp->bio_error = 0; 1583 if (bp->bio_resid != 0) { 1584 /* 1585 * Short transfer ??? 1586 * XXX: not sure this is correct for partial 1587 * transfers at EOM 1588 */ 1589 bp->bio_flags |= BIO_ERROR; 1590 } 1591 } 1592 1593 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1594 softc->outstanding_cmds--; 1595 1596 if (softc->flags & CD_FLAG_CHANGER) 1597 cdchangerschedule(softc); 1598 1599 biofinish(bp, NULL, 0); 1600 break; 1601 } 1602 case CD_CCB_PROBE: 1603 { 1604 struct scsi_read_capacity_data *rdcap; 1605 char announce_buf[120]; /* 1606 * Currently (9/30/97) the 1607 * longest possible announce 1608 * buffer is 108 bytes, for the 1609 * first error case below. 1610 * That is 39 bytes for the 1611 * basic string, 16 bytes for the 1612 * biggest sense key (hardware 1613 * error), 52 bytes for the 1614 * text of the largest sense 1615 * qualifier valid for a CDROM, 1616 * (0x72, 0x03 or 0x04, 1617 * 0x03), and one byte for the 1618 * null terminating character. 1619 * To allow for longer strings, 1620 * the announce buffer is 120 1621 * bytes. 1622 */ 1623 struct cd_params *cdp; 1624 1625 cdp = &softc->params; 1626 1627 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1628 1629 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1630 cdp->blksize = scsi_4btoul (rdcap->length); 1631 1632 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1633 1634 snprintf(announce_buf, sizeof(announce_buf), 1635 "cd present [%lu x %lu byte records]", 1636 cdp->disksize, (u_long)cdp->blksize); 1637 1638 } else { 1639 int error; 1640 /* 1641 * Retry any UNIT ATTENTION type errors. They 1642 * are expected at boot. 1643 */ 1644 error = cderror(done_ccb, CAM_RETRY_SELTO, 1645 SF_RETRY_UA | SF_NO_PRINT); 1646 if (error == ERESTART) { 1647 /* 1648 * A retry was scheuled, so 1649 * just return. 1650 */ 1651 return; 1652 } else if (error != 0) { 1653 1654 struct scsi_sense_data *sense; 1655 int asc, ascq; 1656 int sense_key, error_code; 1657 int have_sense; 1658 cam_status status; 1659 struct ccb_getdev cgd; 1660 1661 /* Don't wedge this device's queue */ 1662 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1663 cam_release_devq(done_ccb->ccb_h.path, 1664 /*relsim_flags*/0, 1665 /*reduction*/0, 1666 /*timeout*/0, 1667 /*getcount_only*/0); 1668 1669 status = done_ccb->ccb_h.status; 1670 1671 xpt_setup_ccb(&cgd.ccb_h, 1672 done_ccb->ccb_h.path, 1673 CAM_PRIORITY_NORMAL); 1674 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1675 xpt_action((union ccb *)&cgd); 1676 1677 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1678 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1679 || ((status & CAM_AUTOSNS_VALID) == 0)) 1680 have_sense = FALSE; 1681 else 1682 have_sense = TRUE; 1683 1684 if (have_sense) { 1685 sense = &csio->sense_data; 1686 scsi_extract_sense(sense, &error_code, 1687 &sense_key, 1688 &asc, &ascq); 1689 } 1690 /* 1691 * Attach to anything that claims to be a 1692 * CDROM or WORM device, as long as it 1693 * doesn't return a "Logical unit not 1694 * supported" (0x25) error. 1695 */ 1696 if ((have_sense) && (asc != 0x25) 1697 && (error_code == SSD_CURRENT_ERROR)) { 1698 const char *sense_key_desc; 1699 const char *asc_desc; 1700 1701 scsi_sense_desc(sense_key, asc, ascq, 1702 &cgd.inq_data, 1703 &sense_key_desc, 1704 &asc_desc); 1705 snprintf(announce_buf, 1706 sizeof(announce_buf), 1707 "Attempt to query device " 1708 "size failed: %s, %s", 1709 sense_key_desc, 1710 asc_desc); 1711 } else if ((have_sense == 0) 1712 && ((status & CAM_STATUS_MASK) == 1713 CAM_SCSI_STATUS_ERROR) 1714 && (csio->scsi_status == 1715 SCSI_STATUS_BUSY)) { 1716 snprintf(announce_buf, 1717 sizeof(announce_buf), 1718 "Attempt to query device " 1719 "size failed: SCSI Status: %s", 1720 scsi_status_string(csio)); 1721 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1722 /* 1723 * We only print out an error for 1724 * CDROM type devices. For WORM 1725 * devices, we don't print out an 1726 * error since a few WORM devices 1727 * don't support CDROM commands. 1728 * If we have sense information, go 1729 * ahead and print it out. 1730 * Otherwise, just say that we 1731 * couldn't attach. 1732 */ 1733 1734 /* 1735 * Just print out the error, not 1736 * the full probe message, when we 1737 * don't attach. 1738 */ 1739 if (have_sense) 1740 scsi_sense_print( 1741 &done_ccb->csio); 1742 else { 1743 xpt_print(periph->path, 1744 "got CAM status %#x\n", 1745 done_ccb->ccb_h.status); 1746 } 1747 xpt_print(periph->path, "fatal error, " 1748 "failed to attach to device\n"); 1749 /* 1750 * Invalidate this peripheral. 1751 */ 1752 cam_periph_invalidate(periph); 1753 1754 announce_buf[0] = '\0'; 1755 } else { 1756 1757 /* 1758 * Invalidate this peripheral. 1759 */ 1760 cam_periph_invalidate(periph); 1761 announce_buf[0] = '\0'; 1762 } 1763 } 1764 } 1765 free(rdcap, M_SCSICD); 1766 if (announce_buf[0] != '\0') { 1767 xpt_announce_periph(periph, announce_buf); 1768 if (softc->flags & CD_FLAG_CHANGER) 1769 cdchangerschedule(softc); 1770 /* 1771 * Create our sysctl variables, now that we know 1772 * we have successfully attached. 1773 */ 1774 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1775 } 1776 softc->state = CD_STATE_NORMAL; 1777 /* 1778 * Since our peripheral may be invalidated by an error 1779 * above or an external event, we must release our CCB 1780 * before releasing the probe lock on the peripheral. 1781 * The peripheral will only go away once the last lock 1782 * is removed, and we need it around for the CCB release 1783 * operation. 1784 */ 1785 xpt_release_ccb(done_ccb); 1786 cam_periph_unhold(periph); 1787 return; 1788 } 1789 case CD_CCB_WAITING: 1790 { 1791 /* Caller will release the CCB */ 1792 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1793 ("trying to wakeup ccbwait\n")); 1794 1795 wakeup(&done_ccb->ccb_h.cbfcnp); 1796 return; 1797 } 1798 default: 1799 break; 1800 } 1801 xpt_release_ccb(done_ccb); 1802} 1803 1804static union cd_pages * 1805cdgetpage(struct cd_mode_params *mode_params) 1806{ 1807 union cd_pages *page; 1808 1809 if (mode_params->cdb_size == 10) 1810 page = (union cd_pages *)find_mode_page_10( 1811 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1812 else 1813 page = (union cd_pages *)find_mode_page_6( 1814 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1815 1816 return (page); 1817} 1818 1819static int 1820cdgetpagesize(int page_num) 1821{ 1822 int i; 1823 1824 for (i = 0; i < (sizeof(cd_page_size_table)/ 1825 sizeof(cd_page_size_table[0])); i++) { 1826 if (cd_page_size_table[i].page == page_num) 1827 return (cd_page_size_table[i].page_size); 1828 } 1829 1830 return (-1); 1831} 1832 1833static int 1834cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1835{ 1836 1837 struct cam_periph *periph; 1838 struct cd_softc *softc; 1839 int nocopyout, error = 0; 1840 1841 periph = (struct cam_periph *)dp->d_drv1; 1842 if (periph == NULL) 1843 return(ENXIO); 1844 1845 cam_periph_lock(periph); 1846 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1847 1848 softc = (struct cd_softc *)periph->softc; 1849 1850 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1851 ("trying to do ioctl %#lx\n", cmd)); 1852 1853 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1854 cam_periph_unlock(periph); 1855 cam_periph_release(periph); 1856 return (error); 1857 } 1858 1859 /* 1860 * If we don't have media loaded, check for it. If still don't 1861 * have media loaded, we can only do a load or eject. 1862 * 1863 * We only care whether media is loaded if this is a cd-specific ioctl 1864 * (thus the IOCGROUP check below). Note that this will break if 1865 * anyone adds any ioctls into the switch statement below that don't 1866 * have their ioctl group set to 'c'. 1867 */ 1868 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1869 && ((cmd != CDIOCCLOSE) 1870 && (cmd != CDIOCEJECT)) 1871 && (IOCGROUP(cmd) == 'c')) { 1872 error = cdcheckmedia(periph); 1873 if (error != 0) { 1874 cam_periph_unhold(periph); 1875 cam_periph_unlock(periph); 1876 return (error); 1877 } 1878 } 1879 /* 1880 * Drop the lock here so later mallocs can use WAITOK. The periph 1881 * is essentially locked still with the cam_periph_hold call above. 1882 */ 1883 cam_periph_unlock(periph); 1884 1885 nocopyout = 0; 1886 switch (cmd) { 1887 1888 case CDIOCPLAYTRACKS: 1889 { 1890 struct ioc_play_track *args 1891 = (struct ioc_play_track *) addr; 1892 struct cd_mode_params params; 1893 union cd_pages *page; 1894 1895 params.alloc_len = sizeof(union cd_mode_data_6_10); 1896 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1897 M_WAITOK | M_ZERO); 1898 1899 cam_periph_lock(periph); 1900 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1901 ("trying to do CDIOCPLAYTRACKS\n")); 1902 1903 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1904 if (error) { 1905 free(params.mode_buf, M_SCSICD); 1906 cam_periph_unlock(periph); 1907 break; 1908 } 1909 page = cdgetpage(¶ms); 1910 1911 page->audio.flags &= ~CD_PA_SOTC; 1912 page->audio.flags |= CD_PA_IMMED; 1913 error = cdsetmode(periph, ¶ms); 1914 free(params.mode_buf, M_SCSICD); 1915 if (error) { 1916 cam_periph_unlock(periph); 1917 break; 1918 } 1919 1920 /* 1921 * This was originally implemented with the PLAY 1922 * AUDIO TRACK INDEX command, but that command was 1923 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1924 * drives support it but ATAPI and ATAPI-derivative 1925 * drives don't seem to support it. So we keep a 1926 * cache of the table of contents and translate 1927 * track numbers to MSF format. 1928 */ 1929 if (softc->flags & CD_FLAG_VALID_TOC) { 1930 union msf_lba *sentry, *eentry; 1931 int st, et; 1932 1933 if (args->end_track < 1934 softc->toc.header.ending_track + 1) 1935 args->end_track++; 1936 if (args->end_track > 1937 softc->toc.header.ending_track + 1) 1938 args->end_track = 1939 softc->toc.header.ending_track + 1; 1940 st = args->start_track - 1941 softc->toc.header.starting_track; 1942 et = args->end_track - 1943 softc->toc.header.starting_track; 1944 if ((st < 0) 1945 || (et < 0) 1946 || (st > (softc->toc.header.ending_track - 1947 softc->toc.header.starting_track))) { 1948 error = EINVAL; 1949 break; 1950 } 1951 sentry = &softc->toc.entries[st].addr; 1952 eentry = &softc->toc.entries[et].addr; 1953 error = cdplaymsf(periph, 1954 sentry->msf.minute, 1955 sentry->msf.second, 1956 sentry->msf.frame, 1957 eentry->msf.minute, 1958 eentry->msf.second, 1959 eentry->msf.frame); 1960 } else { 1961 /* 1962 * If we don't have a valid TOC, try the 1963 * play track index command. It is part of 1964 * the SCSI-2 spec, but was removed in the 1965 * MMC specs. ATAPI and ATAPI-derived 1966 * drives don't support it. 1967 */ 1968 if (softc->quirks & CD_Q_BCD_TRACKS) { 1969 args->start_track = 1970 bin2bcd(args->start_track); 1971 args->end_track = 1972 bin2bcd(args->end_track); 1973 } 1974 error = cdplaytracks(periph, 1975 args->start_track, 1976 args->start_index, 1977 args->end_track, 1978 args->end_index); 1979 } 1980 cam_periph_unlock(periph); 1981 } 1982 break; 1983 case CDIOCPLAYMSF: 1984 { 1985 struct ioc_play_msf *args 1986 = (struct ioc_play_msf *) addr; 1987 struct cd_mode_params params; 1988 union cd_pages *page; 1989 1990 params.alloc_len = sizeof(union cd_mode_data_6_10); 1991 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1992 M_WAITOK | M_ZERO); 1993 1994 cam_periph_lock(periph); 1995 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1996 ("trying to do CDIOCPLAYMSF\n")); 1997 1998 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1999 if (error) { 2000 free(params.mode_buf, M_SCSICD); 2001 cam_periph_unlock(periph); 2002 break; 2003 } 2004 page = cdgetpage(¶ms); 2005 2006 page->audio.flags &= ~CD_PA_SOTC; 2007 page->audio.flags |= CD_PA_IMMED; 2008 error = cdsetmode(periph, ¶ms); 2009 free(params.mode_buf, M_SCSICD); 2010 if (error) { 2011 cam_periph_unlock(periph); 2012 break; 2013 } 2014 error = cdplaymsf(periph, 2015 args->start_m, 2016 args->start_s, 2017 args->start_f, 2018 args->end_m, 2019 args->end_s, 2020 args->end_f); 2021 cam_periph_unlock(periph); 2022 } 2023 break; 2024 case CDIOCPLAYBLOCKS: 2025 { 2026 struct ioc_play_blocks *args 2027 = (struct ioc_play_blocks *) addr; 2028 struct cd_mode_params params; 2029 union cd_pages *page; 2030 2031 params.alloc_len = sizeof(union cd_mode_data_6_10); 2032 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2033 M_WAITOK | M_ZERO); 2034 2035 cam_periph_lock(periph); 2036 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2037 ("trying to do CDIOCPLAYBLOCKS\n")); 2038 2039 2040 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2041 if (error) { 2042 free(params.mode_buf, M_SCSICD); 2043 cam_periph_unlock(periph); 2044 break; 2045 } 2046 page = cdgetpage(¶ms); 2047 2048 page->audio.flags &= ~CD_PA_SOTC; 2049 page->audio.flags |= CD_PA_IMMED; 2050 error = cdsetmode(periph, ¶ms); 2051 free(params.mode_buf, M_SCSICD); 2052 if (error) { 2053 cam_periph_unlock(periph); 2054 break; 2055 } 2056 error = cdplay(periph, args->blk, args->len); 2057 cam_periph_unlock(periph); 2058 } 2059 break; 2060 case CDIOCREADSUBCHANNEL_SYSSPACE: 2061 nocopyout = 1; 2062 /* Fallthrough */ 2063 case CDIOCREADSUBCHANNEL: 2064 { 2065 struct ioc_read_subchannel *args 2066 = (struct ioc_read_subchannel *) addr; 2067 struct cd_sub_channel_info *data; 2068 u_int32_t len = args->data_len; 2069 2070 data = malloc(sizeof(struct cd_sub_channel_info), 2071 M_SCSICD, M_WAITOK); 2072 2073 cam_periph_lock(periph); 2074 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2075 ("trying to do CDIOCREADSUBCHANNEL\n")); 2076 2077 if ((len > sizeof(struct cd_sub_channel_info)) || 2078 (len < sizeof(struct cd_sub_channel_header))) { 2079 printf( 2080 "scsi_cd: cdioctl: " 2081 "cdioreadsubchannel: error, len=%d\n", 2082 len); 2083 error = EINVAL; 2084 free(data, M_SCSICD); 2085 cam_periph_unlock(periph); 2086 break; 2087 } 2088 2089 if (softc->quirks & CD_Q_BCD_TRACKS) 2090 args->track = bin2bcd(args->track); 2091 2092 error = cdreadsubchannel(periph, args->address_format, 2093 args->data_format, args->track, data, len); 2094 2095 if (error) { 2096 free(data, M_SCSICD); 2097 cam_periph_unlock(periph); 2098 break; 2099 } 2100 if (softc->quirks & CD_Q_BCD_TRACKS) 2101 data->what.track_info.track_number = 2102 bcd2bin(data->what.track_info.track_number); 2103 len = min(len, ((data->header.data_len[0] << 8) + 2104 data->header.data_len[1] + 2105 sizeof(struct cd_sub_channel_header))); 2106 cam_periph_unlock(periph); 2107 if (nocopyout == 0) { 2108 if (copyout(data, args->data, len) != 0) { 2109 error = EFAULT; 2110 } 2111 } else { 2112 bcopy(data, args->data, len); 2113 } 2114 free(data, M_SCSICD); 2115 } 2116 break; 2117 2118 case CDIOREADTOCHEADER: 2119 { 2120 struct ioc_toc_header *th; 2121 2122 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2123 M_WAITOK); 2124 2125 cam_periph_lock(periph); 2126 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2127 ("trying to do CDIOREADTOCHEADER\n")); 2128 2129 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2130 sizeof (*th), /*sense_flags*/0); 2131 if (error) { 2132 free(th, M_SCSICD); 2133 cam_periph_unlock(periph); 2134 break; 2135 } 2136 if (softc->quirks & CD_Q_BCD_TRACKS) { 2137 /* we are going to have to convert the BCD 2138 * encoding on the cd to what is expected 2139 */ 2140 th->starting_track = 2141 bcd2bin(th->starting_track); 2142 th->ending_track = bcd2bin(th->ending_track); 2143 } 2144 th->len = ntohs(th->len); 2145 bcopy(th, addr, sizeof(*th)); 2146 free(th, M_SCSICD); 2147 cam_periph_unlock(periph); 2148 } 2149 break; 2150 case CDIOREADTOCENTRYS: 2151 { 2152 struct cd_tocdata *data; 2153 struct cd_toc_single *lead; 2154 struct ioc_read_toc_entry *te = 2155 (struct ioc_read_toc_entry *) addr; 2156 struct ioc_toc_header *th; 2157 u_int32_t len, readlen, idx, num; 2158 u_int32_t starting_track = te->starting_track; 2159 2160 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2161 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2162 2163 cam_periph_lock(periph); 2164 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2165 ("trying to do CDIOREADTOCENTRYS\n")); 2166 2167 if (te->data_len < sizeof(struct cd_toc_entry) 2168 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2169 || (te->address_format != CD_MSF_FORMAT 2170 && te->address_format != CD_LBA_FORMAT)) { 2171 error = EINVAL; 2172 printf("scsi_cd: error in readtocentries, " 2173 "returning EINVAL\n"); 2174 free(data, M_SCSICD); 2175 free(lead, M_SCSICD); 2176 cam_periph_unlock(periph); 2177 break; 2178 } 2179 2180 th = &data->header; 2181 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2182 sizeof (*th), /*sense_flags*/0); 2183 if (error) { 2184 free(data, M_SCSICD); 2185 free(lead, M_SCSICD); 2186 cam_periph_unlock(periph); 2187 break; 2188 } 2189 2190 if (softc->quirks & CD_Q_BCD_TRACKS) { 2191 /* we are going to have to convert the BCD 2192 * encoding on the cd to what is expected 2193 */ 2194 th->starting_track = 2195 bcd2bin(th->starting_track); 2196 th->ending_track = bcd2bin(th->ending_track); 2197 } 2198 2199 if (starting_track == 0) 2200 starting_track = th->starting_track; 2201 else if (starting_track == LEADOUT) 2202 starting_track = th->ending_track + 1; 2203 else if (starting_track < th->starting_track || 2204 starting_track > th->ending_track + 1) { 2205 printf("scsi_cd: error in readtocentries, " 2206 "returning EINVAL\n"); 2207 free(data, M_SCSICD); 2208 free(lead, M_SCSICD); 2209 cam_periph_unlock(periph); 2210 error = EINVAL; 2211 break; 2212 } 2213 2214 /* calculate reading length without leadout entry */ 2215 readlen = (th->ending_track - starting_track + 1) * 2216 sizeof(struct cd_toc_entry); 2217 2218 /* and with leadout entry */ 2219 len = readlen + sizeof(struct cd_toc_entry); 2220 if (te->data_len < len) { 2221 len = te->data_len; 2222 if (readlen > len) 2223 readlen = len; 2224 } 2225 if (len > sizeof(data->entries)) { 2226 printf("scsi_cd: error in readtocentries, " 2227 "returning EINVAL\n"); 2228 error = EINVAL; 2229 free(data, M_SCSICD); 2230 free(lead, M_SCSICD); 2231 cam_periph_unlock(periph); 2232 break; 2233 } 2234 num = len / sizeof(struct cd_toc_entry); 2235 2236 if (readlen > 0) { 2237 error = cdreadtoc(periph, te->address_format, 2238 starting_track, 2239 (u_int8_t *)data, 2240 readlen + sizeof (*th), 2241 /*sense_flags*/0); 2242 if (error) { 2243 free(data, M_SCSICD); 2244 free(lead, M_SCSICD); 2245 cam_periph_unlock(periph); 2246 break; 2247 } 2248 } 2249 2250 /* make leadout entry if needed */ 2251 idx = starting_track + num - 1; 2252 if (softc->quirks & CD_Q_BCD_TRACKS) 2253 th->ending_track = bcd2bin(th->ending_track); 2254 if (idx == th->ending_track + 1) { 2255 error = cdreadtoc(periph, te->address_format, 2256 LEADOUT, (u_int8_t *)lead, 2257 sizeof(*lead), 2258 /*sense_flags*/0); 2259 if (error) { 2260 free(data, M_SCSICD); 2261 free(lead, M_SCSICD); 2262 cam_periph_unlock(periph); 2263 break; 2264 } 2265 data->entries[idx - starting_track] = 2266 lead->entry; 2267 } 2268 if (softc->quirks & CD_Q_BCD_TRACKS) { 2269 for (idx = 0; idx < num - 1; idx++) { 2270 data->entries[idx].track = 2271 bcd2bin(data->entries[idx].track); 2272 } 2273 } 2274 2275 cam_periph_unlock(periph); 2276 error = copyout(data->entries, te->data, len); 2277 free(data, M_SCSICD); 2278 free(lead, M_SCSICD); 2279 } 2280 break; 2281 case CDIOREADTOCENTRY: 2282 { 2283 struct cd_toc_single *data; 2284 struct ioc_read_toc_single_entry *te = 2285 (struct ioc_read_toc_single_entry *) addr; 2286 struct ioc_toc_header *th; 2287 u_int32_t track; 2288 2289 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2290 2291 cam_periph_lock(periph); 2292 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2293 ("trying to do CDIOREADTOCENTRY\n")); 2294 2295 if (te->address_format != CD_MSF_FORMAT 2296 && te->address_format != CD_LBA_FORMAT) { 2297 printf("error in readtocentry, " 2298 " returning EINVAL\n"); 2299 free(data, M_SCSICD); 2300 error = EINVAL; 2301 cam_periph_unlock(periph); 2302 break; 2303 } 2304 2305 th = &data->header; 2306 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2307 sizeof (*th), /*sense_flags*/0); 2308 if (error) { 2309 free(data, M_SCSICD); 2310 cam_periph_unlock(periph); 2311 break; 2312 } 2313 2314 if (softc->quirks & CD_Q_BCD_TRACKS) { 2315 /* we are going to have to convert the BCD 2316 * encoding on the cd to what is expected 2317 */ 2318 th->starting_track = 2319 bcd2bin(th->starting_track); 2320 th->ending_track = bcd2bin(th->ending_track); 2321 } 2322 track = te->track; 2323 if (track == 0) 2324 track = th->starting_track; 2325 else if (track == LEADOUT) 2326 /* OK */; 2327 else if (track < th->starting_track || 2328 track > th->ending_track + 1) { 2329 printf("error in readtocentry, " 2330 " returning EINVAL\n"); 2331 free(data, M_SCSICD); 2332 error = EINVAL; 2333 cam_periph_unlock(periph); 2334 break; 2335 } 2336 2337 error = cdreadtoc(periph, te->address_format, track, 2338 (u_int8_t *)data, sizeof(*data), 2339 /*sense_flags*/0); 2340 if (error) { 2341 free(data, M_SCSICD); 2342 cam_periph_unlock(periph); 2343 break; 2344 } 2345 2346 if (softc->quirks & CD_Q_BCD_TRACKS) 2347 data->entry.track = bcd2bin(data->entry.track); 2348 bcopy(&data->entry, &te->entry, 2349 sizeof(struct cd_toc_entry)); 2350 free(data, M_SCSICD); 2351 cam_periph_unlock(periph); 2352 } 2353 break; 2354 case CDIOCSETPATCH: 2355 { 2356 struct ioc_patch *arg = (struct ioc_patch *)addr; 2357 struct cd_mode_params params; 2358 union cd_pages *page; 2359 2360 params.alloc_len = sizeof(union cd_mode_data_6_10); 2361 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2362 M_WAITOK | M_ZERO); 2363 2364 cam_periph_lock(periph); 2365 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2366 ("trying to do CDIOCSETPATCH\n")); 2367 2368 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2369 if (error) { 2370 free(params.mode_buf, M_SCSICD); 2371 cam_periph_unlock(periph); 2372 break; 2373 } 2374 page = cdgetpage(¶ms); 2375 2376 page->audio.port[LEFT_PORT].channels = 2377 arg->patch[0]; 2378 page->audio.port[RIGHT_PORT].channels = 2379 arg->patch[1]; 2380 page->audio.port[2].channels = arg->patch[2]; 2381 page->audio.port[3].channels = arg->patch[3]; 2382 error = cdsetmode(periph, ¶ms); 2383 free(params.mode_buf, M_SCSICD); 2384 cam_periph_unlock(periph); 2385 } 2386 break; 2387 case CDIOCGETVOL: 2388 { 2389 struct ioc_vol *arg = (struct ioc_vol *) addr; 2390 struct cd_mode_params params; 2391 union cd_pages *page; 2392 2393 params.alloc_len = sizeof(union cd_mode_data_6_10); 2394 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2395 M_WAITOK | M_ZERO); 2396 2397 cam_periph_lock(periph); 2398 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2399 ("trying to do CDIOCGETVOL\n")); 2400 2401 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2402 if (error) { 2403 free(params.mode_buf, M_SCSICD); 2404 cam_periph_unlock(periph); 2405 break; 2406 } 2407 page = cdgetpage(¶ms); 2408 2409 arg->vol[LEFT_PORT] = 2410 page->audio.port[LEFT_PORT].volume; 2411 arg->vol[RIGHT_PORT] = 2412 page->audio.port[RIGHT_PORT].volume; 2413 arg->vol[2] = page->audio.port[2].volume; 2414 arg->vol[3] = page->audio.port[3].volume; 2415 free(params.mode_buf, M_SCSICD); 2416 cam_periph_unlock(periph); 2417 } 2418 break; 2419 case CDIOCSETVOL: 2420 { 2421 struct ioc_vol *arg = (struct ioc_vol *) addr; 2422 struct cd_mode_params params; 2423 union cd_pages *page; 2424 2425 params.alloc_len = sizeof(union cd_mode_data_6_10); 2426 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2427 M_WAITOK | M_ZERO); 2428 2429 cam_periph_lock(periph); 2430 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2431 ("trying to do CDIOCSETVOL\n")); 2432 2433 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2434 if (error) { 2435 free(params.mode_buf, M_SCSICD); 2436 cam_periph_unlock(periph); 2437 break; 2438 } 2439 page = cdgetpage(¶ms); 2440 2441 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2442 page->audio.port[LEFT_PORT].volume = 2443 arg->vol[LEFT_PORT]; 2444 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2445 page->audio.port[RIGHT_PORT].volume = 2446 arg->vol[RIGHT_PORT]; 2447 page->audio.port[2].volume = arg->vol[2]; 2448 page->audio.port[3].volume = arg->vol[3]; 2449 error = cdsetmode(periph, ¶ms); 2450 cam_periph_unlock(periph); 2451 free(params.mode_buf, M_SCSICD); 2452 } 2453 break; 2454 case CDIOCSETMONO: 2455 { 2456 struct cd_mode_params params; 2457 union cd_pages *page; 2458 2459 params.alloc_len = sizeof(union cd_mode_data_6_10); 2460 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2461 M_WAITOK | M_ZERO); 2462 2463 cam_periph_lock(periph); 2464 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2465 ("trying to do CDIOCSETMONO\n")); 2466 2467 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2468 if (error) { 2469 free(params.mode_buf, M_SCSICD); 2470 cam_periph_unlock(periph); 2471 break; 2472 } 2473 page = cdgetpage(¶ms); 2474 2475 page->audio.port[LEFT_PORT].channels = 2476 LEFT_CHANNEL | RIGHT_CHANNEL; 2477 page->audio.port[RIGHT_PORT].channels = 2478 LEFT_CHANNEL | RIGHT_CHANNEL; 2479 page->audio.port[2].channels = 0; 2480 page->audio.port[3].channels = 0; 2481 error = cdsetmode(periph, ¶ms); 2482 cam_periph_unlock(periph); 2483 free(params.mode_buf, M_SCSICD); 2484 } 2485 break; 2486 case CDIOCSETSTEREO: 2487 { 2488 struct cd_mode_params params; 2489 union cd_pages *page; 2490 2491 params.alloc_len = sizeof(union cd_mode_data_6_10); 2492 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2493 M_WAITOK | M_ZERO); 2494 2495 cam_periph_lock(periph); 2496 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2497 ("trying to do CDIOCSETSTEREO\n")); 2498 2499 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2500 if (error) { 2501 free(params.mode_buf, M_SCSICD); 2502 cam_periph_unlock(periph); 2503 break; 2504 } 2505 page = cdgetpage(¶ms); 2506 2507 page->audio.port[LEFT_PORT].channels = 2508 LEFT_CHANNEL; 2509 page->audio.port[RIGHT_PORT].channels = 2510 RIGHT_CHANNEL; 2511 page->audio.port[2].channels = 0; 2512 page->audio.port[3].channels = 0; 2513 error = cdsetmode(periph, ¶ms); 2514 free(params.mode_buf, M_SCSICD); 2515 cam_periph_unlock(periph); 2516 } 2517 break; 2518 case CDIOCSETMUTE: 2519 { 2520 struct cd_mode_params params; 2521 union cd_pages *page; 2522 2523 params.alloc_len = sizeof(union cd_mode_data_6_10); 2524 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2525 M_WAITOK | M_ZERO); 2526 2527 cam_periph_lock(periph); 2528 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2529 ("trying to do CDIOCSETMUTE\n")); 2530 2531 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2532 if (error) { 2533 free(¶ms.mode_buf, M_SCSICD); 2534 cam_periph_unlock(periph); 2535 break; 2536 } 2537 page = cdgetpage(¶ms); 2538 2539 page->audio.port[LEFT_PORT].channels = 0; 2540 page->audio.port[RIGHT_PORT].channels = 0; 2541 page->audio.port[2].channels = 0; 2542 page->audio.port[3].channels = 0; 2543 error = cdsetmode(periph, ¶ms); 2544 free(params.mode_buf, M_SCSICD); 2545 cam_periph_unlock(periph); 2546 } 2547 break; 2548 case CDIOCSETLEFT: 2549 { 2550 struct cd_mode_params params; 2551 union cd_pages *page; 2552 2553 params.alloc_len = sizeof(union cd_mode_data_6_10); 2554 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2555 M_WAITOK | M_ZERO); 2556 2557 cam_periph_lock(periph); 2558 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2559 ("trying to do CDIOCSETLEFT\n")); 2560 2561 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2562 if (error) { 2563 free(params.mode_buf, M_SCSICD); 2564 cam_periph_unlock(periph); 2565 break; 2566 } 2567 page = cdgetpage(¶ms); 2568 2569 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2570 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2571 page->audio.port[2].channels = 0; 2572 page->audio.port[3].channels = 0; 2573 error = cdsetmode(periph, ¶ms); 2574 free(params.mode_buf, M_SCSICD); 2575 cam_periph_unlock(periph); 2576 } 2577 break; 2578 case CDIOCSETRIGHT: 2579 { 2580 struct cd_mode_params params; 2581 union cd_pages *page; 2582 2583 params.alloc_len = sizeof(union cd_mode_data_6_10); 2584 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2585 M_WAITOK | M_ZERO); 2586 2587 cam_periph_lock(periph); 2588 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2589 ("trying to do CDIOCSETRIGHT\n")); 2590 2591 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2592 if (error) { 2593 free(params.mode_buf, M_SCSICD); 2594 cam_periph_unlock(periph); 2595 break; 2596 } 2597 page = cdgetpage(¶ms); 2598 2599 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2600 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2601 page->audio.port[2].channels = 0; 2602 page->audio.port[3].channels = 0; 2603 error = cdsetmode(periph, ¶ms); 2604 free(params.mode_buf, M_SCSICD); 2605 cam_periph_unlock(periph); 2606 } 2607 break; 2608 case CDIOCRESUME: 2609 cam_periph_lock(periph); 2610 error = cdpause(periph, 1); 2611 cam_periph_unlock(periph); 2612 break; 2613 case CDIOCPAUSE: 2614 cam_periph_lock(periph); 2615 error = cdpause(periph, 0); 2616 cam_periph_unlock(periph); 2617 break; 2618 case CDIOCSTART: 2619 cam_periph_lock(periph); 2620 error = cdstartunit(periph, 0); 2621 cam_periph_unlock(periph); 2622 break; 2623 case CDIOCCLOSE: 2624 cam_periph_lock(periph); 2625 error = cdstartunit(periph, 1); 2626 cam_periph_unlock(periph); 2627 break; 2628 case CDIOCSTOP: 2629 cam_periph_lock(periph); 2630 error = cdstopunit(periph, 0); 2631 cam_periph_unlock(periph); 2632 break; 2633 case CDIOCEJECT: 2634 cam_periph_lock(periph); 2635 error = cdstopunit(periph, 1); 2636 cam_periph_unlock(periph); 2637 break; 2638 case CDIOCALLOW: 2639 cam_periph_lock(periph); 2640 cdprevent(periph, PR_ALLOW); 2641 cam_periph_unlock(periph); 2642 break; 2643 case CDIOCPREVENT: 2644 cam_periph_lock(periph); 2645 cdprevent(periph, PR_PREVENT); 2646 cam_periph_unlock(periph); 2647 break; 2648 case CDIOCSETDEBUG: 2649 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2650 error = ENOTTY; 2651 break; 2652 case CDIOCCLRDEBUG: 2653 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2654 error = ENOTTY; 2655 break; 2656 case CDIOCRESET: 2657 /* return (cd_reset(periph)); */ 2658 error = ENOTTY; 2659 break; 2660 case CDRIOCREADSPEED: 2661 cam_periph_lock(periph); 2662 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2663 cam_periph_unlock(periph); 2664 break; 2665 case CDRIOCWRITESPEED: 2666 cam_periph_lock(periph); 2667 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2668 cam_periph_unlock(periph); 2669 break; 2670 case DVDIOCSENDKEY: 2671 case DVDIOCREPORTKEY: { 2672 struct dvd_authinfo *authinfo; 2673 2674 authinfo = (struct dvd_authinfo *)addr; 2675 2676 cam_periph_lock(periph); 2677 if (cmd == DVDIOCREPORTKEY) 2678 error = cdreportkey(periph, authinfo); 2679 else 2680 error = cdsendkey(periph, authinfo); 2681 cam_periph_unlock(periph); 2682 break; 2683 } 2684 case DVDIOCREADSTRUCTURE: { 2685 struct dvd_struct *dvdstruct; 2686 2687 dvdstruct = (struct dvd_struct *)addr; 2688 2689 cam_periph_lock(periph); 2690 error = cdreaddvdstructure(periph, dvdstruct); 2691 cam_periph_unlock(periph); 2692 2693 break; 2694 } 2695 default: 2696 cam_periph_lock(periph); 2697 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2698 cam_periph_unlock(periph); 2699 break; 2700 } 2701 2702 cam_periph_lock(periph); 2703 cam_periph_unhold(periph); 2704 2705 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2706 if (error && bootverbose) { 2707 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2708 } 2709 cam_periph_unlock(periph); 2710 2711 return (error); 2712} 2713 2714static void 2715cdprevent(struct cam_periph *periph, int action) 2716{ 2717 union ccb *ccb; 2718 struct cd_softc *softc; 2719 int error; 2720 2721 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2722 2723 softc = (struct cd_softc *)periph->softc; 2724 2725 if (((action == PR_ALLOW) 2726 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2727 || ((action == PR_PREVENT) 2728 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2729 return; 2730 } 2731 2732 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2733 2734 scsi_prevent(&ccb->csio, 2735 /*retries*/ 1, 2736 cddone, 2737 MSG_SIMPLE_Q_TAG, 2738 action, 2739 SSD_FULL_SIZE, 2740 /* timeout */60000); 2741 2742 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2743 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2744 2745 xpt_release_ccb(ccb); 2746 2747 if (error == 0) { 2748 if (action == PR_ALLOW) 2749 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2750 else 2751 softc->flags |= CD_FLAG_DISC_LOCKED; 2752 } 2753} 2754 2755/* 2756 * XXX: the disk media and sector size is only really able to change 2757 * XXX: while the device is closed. 2758 */ 2759static int 2760cdcheckmedia(struct cam_periph *periph) 2761{ 2762 struct cd_softc *softc; 2763 struct ioc_toc_header *toch; 2764 struct cd_toc_single leadout; 2765 u_int32_t size, toclen; 2766 int error, num_entries, cdindex; 2767 2768 softc = (struct cd_softc *)periph->softc; 2769 2770 cdprevent(periph, PR_PREVENT); 2771 softc->disk->d_maxsize = DFLTPHYS; 2772 softc->disk->d_sectorsize = 2048; 2773 softc->disk->d_mediasize = 0; 2774 2775 /* 2776 * Get the disc size and block size. If we can't get it, we don't 2777 * have media, most likely. 2778 */ 2779 if ((error = cdsize(periph, &size)) != 0) { 2780 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2781 cdprevent(periph, PR_ALLOW); 2782 return (error); 2783 } else 2784 softc->flags |= CD_FLAG_VALID_MEDIA; 2785 2786 /* 2787 * Now we check the table of contents. This (currently) is only 2788 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2789 * things like present a separate entry in /dev for each track, 2790 * like that acd(4) driver does. 2791 */ 2792 bzero(&softc->toc, sizeof(softc->toc)); 2793 toch = &softc->toc.header; 2794 /* 2795 * We will get errors here for media that doesn't have a table of 2796 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2797 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2798 * has not been recorded (no complete session) and the Format codes 2799 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2800 * with an INVALID FIELD IN CDB. Devices that are not capable of 2801 * reading an incomplete session on DDC/CD-R/RW media shall report 2802 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2803 * 2804 * So this isn't fatal if we can't read the table of contents, it 2805 * just means that the user won't be able to issue the play tracks 2806 * ioctl, and likely lots of other stuff won't work either. They 2807 * need to burn the CD before we can do a whole lot with it. So 2808 * we don't print anything here if we get an error back. 2809 */ 2810 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2811 SF_NO_PRINT); 2812 /* 2813 * Errors in reading the table of contents aren't fatal, we just 2814 * won't have a valid table of contents cached. 2815 */ 2816 if (error != 0) { 2817 error = 0; 2818 bzero(&softc->toc, sizeof(softc->toc)); 2819 goto bailout; 2820 } 2821 2822 if (softc->quirks & CD_Q_BCD_TRACKS) { 2823 toch->starting_track = bcd2bin(toch->starting_track); 2824 toch->ending_track = bcd2bin(toch->ending_track); 2825 } 2826 2827 /* Number of TOC entries, plus leadout */ 2828 num_entries = (toch->ending_track - toch->starting_track) + 2; 2829 2830 if (num_entries <= 0) 2831 goto bailout; 2832 2833 toclen = num_entries * sizeof(struct cd_toc_entry); 2834 2835 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2836 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2837 SF_NO_PRINT); 2838 if (error != 0) { 2839 error = 0; 2840 bzero(&softc->toc, sizeof(softc->toc)); 2841 goto bailout; 2842 } 2843 2844 if (softc->quirks & CD_Q_BCD_TRACKS) { 2845 toch->starting_track = bcd2bin(toch->starting_track); 2846 toch->ending_track = bcd2bin(toch->ending_track); 2847 } 2848 /* 2849 * XXX KDM is this necessary? Probably only if the drive doesn't 2850 * return leadout information with the table of contents. 2851 */ 2852 cdindex = toch->starting_track + num_entries -1; 2853 if (cdindex == toch->ending_track + 1) { 2854 2855 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2856 (u_int8_t *)&leadout, sizeof(leadout), 2857 SF_NO_PRINT); 2858 if (error != 0) { 2859 error = 0; 2860 goto bailout; 2861 } 2862 softc->toc.entries[cdindex - toch->starting_track] = 2863 leadout.entry; 2864 } 2865 if (softc->quirks & CD_Q_BCD_TRACKS) { 2866 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2867 softc->toc.entries[cdindex].track = 2868 bcd2bin(softc->toc.entries[cdindex].track); 2869 } 2870 } 2871 2872 softc->flags |= CD_FLAG_VALID_TOC; 2873 softc->disk->d_maxsize = DFLTPHYS; 2874 softc->disk->d_sectorsize = softc->params.blksize; 2875 softc->disk->d_mediasize = 2876 (off_t)softc->params.blksize * softc->params.disksize; 2877 2878bailout: 2879 2880 /* 2881 * We unconditionally (re)set the blocksize each time the 2882 * CD device is opened. This is because the CD can change, 2883 * and therefore the blocksize might change. 2884 * XXX problems here if some slice or partition is still 2885 * open with the old size? 2886 */ 2887 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2888 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2889 softc->disk->d_devstat->block_size = softc->params.blksize; 2890 2891 return (error); 2892} 2893 2894static int 2895cdsize(struct cam_periph *periph, u_int32_t *size) 2896{ 2897 struct cd_softc *softc; 2898 union ccb *ccb; 2899 struct scsi_read_capacity_data *rcap_buf; 2900 int error; 2901 2902 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2903 2904 softc = (struct cd_softc *)periph->softc; 2905 2906 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2907 2908 /* XXX Should be M_WAITOK */ 2909 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2910 M_SCSICD, M_NOWAIT); 2911 if (rcap_buf == NULL) 2912 return (ENOMEM); 2913 2914 scsi_read_capacity(&ccb->csio, 2915 /*retries*/ 1, 2916 cddone, 2917 MSG_SIMPLE_Q_TAG, 2918 rcap_buf, 2919 SSD_FULL_SIZE, 2920 /* timeout */20000); 2921 2922 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2923 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2924 2925 xpt_release_ccb(ccb); 2926 2927 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2928 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2929 /* 2930 * SCSI-3 mandates that the reported blocksize shall be 2048. 2931 * Older drives sometimes report funny values, trim it down to 2932 * 2048, or other parts of the kernel will get confused. 2933 * 2934 * XXX we leave drives alone that might report 512 bytes, as 2935 * well as drives reporting more weird sizes like perhaps 4K. 2936 */ 2937 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2938 softc->params.blksize = 2048; 2939 2940 free(rcap_buf, M_SCSICD); 2941 *size = softc->params.disksize; 2942 2943 return (error); 2944 2945} 2946 2947static int 2948cd6byteworkaround(union ccb *ccb) 2949{ 2950 u_int8_t *cdb; 2951 struct cam_periph *periph; 2952 struct cd_softc *softc; 2953 struct cd_mode_params *params; 2954 int frozen, found; 2955 2956 periph = xpt_path_periph(ccb->ccb_h.path); 2957 softc = (struct cd_softc *)periph->softc; 2958 2959 cdb = ccb->csio.cdb_io.cdb_bytes; 2960 2961 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2962 || ((cdb[0] != MODE_SENSE_6) 2963 && (cdb[0] != MODE_SELECT_6))) 2964 return (0); 2965 2966 /* 2967 * Because there is no convenient place to stash the overall 2968 * cd_mode_params structure pointer, we have to grab it like this. 2969 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2970 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2971 * 2972 * XXX It would be nice if, at some point, we could increase the 2973 * number of available peripheral private pointers. Both pointers 2974 * are currently used in most every peripheral driver. 2975 */ 2976 found = 0; 2977 2978 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2979 if (params->mode_buf == ccb->csio.data_ptr) { 2980 found = 1; 2981 break; 2982 } 2983 } 2984 2985 /* 2986 * This shouldn't happen. All mode sense and mode select 2987 * operations in the cd(4) driver MUST go through cdgetmode() and 2988 * cdsetmode()! 2989 */ 2990 if (found == 0) { 2991 xpt_print(periph->path, 2992 "mode buffer not found in mode queue!\n"); 2993 return (0); 2994 } 2995 2996 params->cdb_size = 10; 2997 softc->minimum_command_size = 10; 2998 xpt_print(ccb->ccb_h.path, 2999 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3000 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3001 3002 if (cdb[0] == MODE_SENSE_6) { 3003 struct scsi_mode_sense_10 ms10; 3004 struct scsi_mode_sense_6 *ms6; 3005 int len; 3006 3007 ms6 = (struct scsi_mode_sense_6 *)cdb; 3008 3009 bzero(&ms10, sizeof(ms10)); 3010 ms10.opcode = MODE_SENSE_10; 3011 ms10.byte2 = ms6->byte2; 3012 ms10.page = ms6->page; 3013 3014 /* 3015 * 10 byte mode header, block descriptor, 3016 * sizeof(union cd_pages) 3017 */ 3018 len = sizeof(struct cd_mode_data_10); 3019 ccb->csio.dxfer_len = len; 3020 3021 scsi_ulto2b(len, ms10.length); 3022 ms10.control = ms6->control; 3023 bcopy(&ms10, cdb, 10); 3024 ccb->csio.cdb_len = 10; 3025 } else { 3026 struct scsi_mode_select_10 ms10; 3027 struct scsi_mode_select_6 *ms6; 3028 struct scsi_mode_header_6 *header6; 3029 struct scsi_mode_header_10 *header10; 3030 struct scsi_mode_page_header *page_header; 3031 int blk_desc_len, page_num, page_size, len; 3032 3033 ms6 = (struct scsi_mode_select_6 *)cdb; 3034 3035 bzero(&ms10, sizeof(ms10)); 3036 ms10.opcode = MODE_SELECT_10; 3037 ms10.byte2 = ms6->byte2; 3038 3039 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3040 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3041 3042 page_header = find_mode_page_6(header6); 3043 page_num = page_header->page_code; 3044 3045 blk_desc_len = header6->blk_desc_len; 3046 3047 page_size = cdgetpagesize(page_num); 3048 3049 if (page_size != (page_header->page_length + 3050 sizeof(*page_header))) 3051 page_size = page_header->page_length + 3052 sizeof(*page_header); 3053 3054 len = sizeof(*header10) + blk_desc_len + page_size; 3055 3056 len = min(params->alloc_len, len); 3057 3058 /* 3059 * Since the 6 byte parameter header is shorter than the 10 3060 * byte parameter header, we need to copy the actual mode 3061 * page data, and the block descriptor, if any, so things wind 3062 * up in the right place. The regions will overlap, but 3063 * bcopy() does the right thing. 3064 */ 3065 bcopy(params->mode_buf + sizeof(*header6), 3066 params->mode_buf + sizeof(*header10), 3067 len - sizeof(*header10)); 3068 3069 /* Make sure these fields are set correctly. */ 3070 scsi_ulto2b(0, header10->data_length); 3071 header10->medium_type = 0; 3072 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3073 3074 ccb->csio.dxfer_len = len; 3075 3076 scsi_ulto2b(len, ms10.length); 3077 ms10.control = ms6->control; 3078 bcopy(&ms10, cdb, 10); 3079 ccb->csio.cdb_len = 10; 3080 } 3081 3082 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3083 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3084 xpt_action(ccb); 3085 if (frozen) { 3086 cam_release_devq(ccb->ccb_h.path, 3087 /*relsim_flags*/0, 3088 /*openings*/0, 3089 /*timeout*/0, 3090 /*getcount_only*/0); 3091 } 3092 3093 return (ERESTART); 3094} 3095 3096static int 3097cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3098{ 3099 struct cd_softc *softc; 3100 struct cam_periph *periph; 3101 int error; 3102 3103 periph = xpt_path_periph(ccb->ccb_h.path); 3104 softc = (struct cd_softc *)periph->softc; 3105 3106 error = 0; 3107 3108 /* 3109 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3110 * CDB comes back with this particular error, try transforming it 3111 * into the 10 byte version. 3112 */ 3113 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3114 error = cd6byteworkaround(ccb); 3115 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3116 CAM_SCSI_STATUS_ERROR) 3117 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3118 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3119 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3120 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3121 int sense_key, error_code, asc, ascq; 3122 3123 scsi_extract_sense(&ccb->csio.sense_data, 3124 &error_code, &sense_key, &asc, &ascq); 3125 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3126 error = cd6byteworkaround(ccb); 3127 } 3128 3129 if (error == ERESTART) 3130 return (error); 3131 3132 /* 3133 * XXX 3134 * Until we have a better way of doing pack validation, 3135 * don't treat UAs as errors. 3136 */ 3137 sense_flags |= SF_RETRY_UA; 3138 return (cam_periph_error(ccb, cam_flags, sense_flags, 3139 &softc->saved_ccb)); 3140} 3141 3142/* 3143 * Read table of contents 3144 */ 3145static int 3146cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3147 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3148{ 3149 struct scsi_read_toc *scsi_cmd; 3150 u_int32_t ntoc; 3151 struct ccb_scsiio *csio; 3152 union ccb *ccb; 3153 int error; 3154 3155 ntoc = len; 3156 error = 0; 3157 3158 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3159 3160 csio = &ccb->csio; 3161 3162 cam_fill_csio(csio, 3163 /* retries */ 1, 3164 /* cbfcnp */ cddone, 3165 /* flags */ CAM_DIR_IN, 3166 /* tag_action */ MSG_SIMPLE_Q_TAG, 3167 /* data_ptr */ data, 3168 /* dxfer_len */ len, 3169 /* sense_len */ SSD_FULL_SIZE, 3170 sizeof(struct scsi_read_toc), 3171 /* timeout */ 50000); 3172 3173 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3174 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3175 3176 if (mode == CD_MSF_FORMAT) 3177 scsi_cmd->byte2 |= CD_MSF; 3178 scsi_cmd->from_track = start; 3179 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3180 scsi_cmd->data_len[0] = (ntoc) >> 8; 3181 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3182 3183 scsi_cmd->op_code = READ_TOC; 3184 3185 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3186 /*sense_flags*/SF_RETRY_UA | sense_flags); 3187 3188 xpt_release_ccb(ccb); 3189 3190 return(error); 3191} 3192 3193static int 3194cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3195 u_int32_t format, int track, 3196 struct cd_sub_channel_info *data, u_int32_t len) 3197{ 3198 struct scsi_read_subchannel *scsi_cmd; 3199 struct ccb_scsiio *csio; 3200 union ccb *ccb; 3201 int error; 3202 3203 error = 0; 3204 3205 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3206 3207 csio = &ccb->csio; 3208 3209 cam_fill_csio(csio, 3210 /* retries */ 1, 3211 /* cbfcnp */ cddone, 3212 /* flags */ CAM_DIR_IN, 3213 /* tag_action */ MSG_SIMPLE_Q_TAG, 3214 /* data_ptr */ (u_int8_t *)data, 3215 /* dxfer_len */ len, 3216 /* sense_len */ SSD_FULL_SIZE, 3217 sizeof(struct scsi_read_subchannel), 3218 /* timeout */ 50000); 3219 3220 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3221 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3222 3223 scsi_cmd->op_code = READ_SUBCHANNEL; 3224 if (mode == CD_MSF_FORMAT) 3225 scsi_cmd->byte1 |= CD_MSF; 3226 scsi_cmd->byte2 = SRS_SUBQ; 3227 scsi_cmd->subchan_format = format; 3228 scsi_cmd->track = track; 3229 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3230 scsi_cmd->control = 0; 3231 3232 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3233 /*sense_flags*/SF_RETRY_UA); 3234 3235 xpt_release_ccb(ccb); 3236 3237 return(error); 3238} 3239 3240 3241/* 3242 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3243 * routine. See comments in cd6byteworkaround() for details. 3244 */ 3245static int 3246cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3247 u_int32_t page) 3248{ 3249 struct ccb_scsiio *csio; 3250 struct cd_softc *softc; 3251 union ccb *ccb; 3252 int param_len; 3253 int error; 3254 3255 softc = (struct cd_softc *)periph->softc; 3256 3257 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3258 3259 csio = &ccb->csio; 3260 3261 data->cdb_size = softc->minimum_command_size; 3262 if (data->cdb_size < 10) 3263 param_len = sizeof(struct cd_mode_data); 3264 else 3265 param_len = sizeof(struct cd_mode_data_10); 3266 3267 /* Don't say we've got more room than we actually allocated */ 3268 param_len = min(param_len, data->alloc_len); 3269 3270 scsi_mode_sense_len(csio, 3271 /* retries */ 1, 3272 /* cbfcnp */ cddone, 3273 /* tag_action */ MSG_SIMPLE_Q_TAG, 3274 /* dbd */ 0, 3275 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3276 /* page */ page, 3277 /* param_buf */ data->mode_buf, 3278 /* param_len */ param_len, 3279 /* minimum_cmd_size */ softc->minimum_command_size, 3280 /* sense_len */ SSD_FULL_SIZE, 3281 /* timeout */ 50000); 3282 3283 /* 3284 * It would be nice not to have to do this, but there's no 3285 * available pointer in the CCB that would allow us to stuff the 3286 * mode params structure in there and retrieve it in 3287 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3288 * lets the caller know what CDB size we ended up using, so they 3289 * can find the actual mode page offset. 3290 */ 3291 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3292 3293 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3294 /*sense_flags*/SF_RETRY_UA); 3295 3296 xpt_release_ccb(ccb); 3297 3298 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3299 3300 /* 3301 * This is a bit of belt-and-suspenders checking, but if we run 3302 * into a situation where the target sends back multiple block 3303 * descriptors, we might not have enough space in the buffer to 3304 * see the whole mode page. Better to return an error than 3305 * potentially access memory beyond our malloced region. 3306 */ 3307 if (error == 0) { 3308 u_int32_t data_len; 3309 3310 if (data->cdb_size == 10) { 3311 struct scsi_mode_header_10 *hdr10; 3312 3313 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3314 data_len = scsi_2btoul(hdr10->data_length); 3315 data_len += sizeof(hdr10->data_length); 3316 } else { 3317 struct scsi_mode_header_6 *hdr6; 3318 3319 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3320 data_len = hdr6->data_length; 3321 data_len += sizeof(hdr6->data_length); 3322 } 3323 3324 /* 3325 * Complain if there is more mode data available than we 3326 * allocated space for. This could potentially happen if 3327 * we miscalculated the page length for some reason, if the 3328 * drive returns multiple block descriptors, or if it sets 3329 * the data length incorrectly. 3330 */ 3331 if (data_len > data->alloc_len) { 3332 xpt_print(periph->path, "allocated modepage %d length " 3333 "%d < returned length %d\n", page, data->alloc_len, 3334 data_len); 3335 error = ENOSPC; 3336 } 3337 } 3338 return (error); 3339} 3340 3341/* 3342 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3343 * routine. See comments in cd6byteworkaround() for details. 3344 */ 3345static int 3346cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3347{ 3348 struct ccb_scsiio *csio; 3349 struct cd_softc *softc; 3350 union ccb *ccb; 3351 int cdb_size, param_len; 3352 int error; 3353 3354 softc = (struct cd_softc *)periph->softc; 3355 3356 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3357 3358 csio = &ccb->csio; 3359 3360 error = 0; 3361 3362 /* 3363 * If the data is formatted for the 10 byte version of the mode 3364 * select parameter list, we need to use the 10 byte CDB. 3365 * Otherwise, we use whatever the stored minimum command size. 3366 */ 3367 if (data->cdb_size == 10) 3368 cdb_size = data->cdb_size; 3369 else 3370 cdb_size = softc->minimum_command_size; 3371 3372 if (cdb_size >= 10) { 3373 struct scsi_mode_header_10 *mode_header; 3374 u_int32_t data_len; 3375 3376 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3377 3378 data_len = scsi_2btoul(mode_header->data_length); 3379 3380 scsi_ulto2b(0, mode_header->data_length); 3381 /* 3382 * SONY drives do not allow a mode select with a medium_type 3383 * value that has just been returned by a mode sense; use a 3384 * medium_type of 0 (Default) instead. 3385 */ 3386 mode_header->medium_type = 0; 3387 3388 /* 3389 * Pass back whatever the drive passed to us, plus the size 3390 * of the data length field. 3391 */ 3392 param_len = data_len + sizeof(mode_header->data_length); 3393 3394 } else { 3395 struct scsi_mode_header_6 *mode_header; 3396 3397 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3398 3399 param_len = mode_header->data_length + 1; 3400 3401 mode_header->data_length = 0; 3402 /* 3403 * SONY drives do not allow a mode select with a medium_type 3404 * value that has just been returned by a mode sense; use a 3405 * medium_type of 0 (Default) instead. 3406 */ 3407 mode_header->medium_type = 0; 3408 } 3409 3410 /* Don't say we've got more room than we actually allocated */ 3411 param_len = min(param_len, data->alloc_len); 3412 3413 scsi_mode_select_len(csio, 3414 /* retries */ 1, 3415 /* cbfcnp */ cddone, 3416 /* tag_action */ MSG_SIMPLE_Q_TAG, 3417 /* scsi_page_fmt */ 1, 3418 /* save_pages */ 0, 3419 /* param_buf */ data->mode_buf, 3420 /* param_len */ param_len, 3421 /* minimum_cmd_size */ cdb_size, 3422 /* sense_len */ SSD_FULL_SIZE, 3423 /* timeout */ 50000); 3424 3425 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3426 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3427 3428 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3429 /*sense_flags*/SF_RETRY_UA); 3430 3431 xpt_release_ccb(ccb); 3432 3433 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3434 3435 return (error); 3436} 3437 3438 3439static int 3440cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3441{ 3442 struct ccb_scsiio *csio; 3443 union ccb *ccb; 3444 int error; 3445 u_int8_t cdb_len; 3446 3447 error = 0; 3448 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3449 csio = &ccb->csio; 3450 /* 3451 * Use the smallest possible command to perform the operation. 3452 */ 3453 if ((len & 0xffff0000) == 0) { 3454 /* 3455 * We can fit in a 10 byte cdb. 3456 */ 3457 struct scsi_play_10 *scsi_cmd; 3458 3459 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3460 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3461 scsi_cmd->op_code = PLAY_10; 3462 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3463 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3464 cdb_len = sizeof(*scsi_cmd); 3465 } else { 3466 struct scsi_play_12 *scsi_cmd; 3467 3468 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3469 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3470 scsi_cmd->op_code = PLAY_12; 3471 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3472 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3473 cdb_len = sizeof(*scsi_cmd); 3474 } 3475 cam_fill_csio(csio, 3476 /*retries*/2, 3477 cddone, 3478 /*flags*/CAM_DIR_NONE, 3479 MSG_SIMPLE_Q_TAG, 3480 /*dataptr*/NULL, 3481 /*datalen*/0, 3482 /*sense_len*/SSD_FULL_SIZE, 3483 cdb_len, 3484 /*timeout*/50 * 1000); 3485 3486 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3487 /*sense_flags*/SF_RETRY_UA); 3488 3489 xpt_release_ccb(ccb); 3490 3491 return(error); 3492} 3493 3494static int 3495cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3496 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3497{ 3498 struct scsi_play_msf *scsi_cmd; 3499 struct ccb_scsiio *csio; 3500 union ccb *ccb; 3501 int error; 3502 3503 error = 0; 3504 3505 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3506 3507 csio = &ccb->csio; 3508 3509 cam_fill_csio(csio, 3510 /* retries */ 1, 3511 /* cbfcnp */ cddone, 3512 /* flags */ CAM_DIR_NONE, 3513 /* tag_action */ MSG_SIMPLE_Q_TAG, 3514 /* data_ptr */ NULL, 3515 /* dxfer_len */ 0, 3516 /* sense_len */ SSD_FULL_SIZE, 3517 sizeof(struct scsi_play_msf), 3518 /* timeout */ 50000); 3519 3520 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3521 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3522 3523 scsi_cmd->op_code = PLAY_MSF; 3524 scsi_cmd->start_m = startm; 3525 scsi_cmd->start_s = starts; 3526 scsi_cmd->start_f = startf; 3527 scsi_cmd->end_m = endm; 3528 scsi_cmd->end_s = ends; 3529 scsi_cmd->end_f = endf; 3530 3531 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3532 /*sense_flags*/SF_RETRY_UA); 3533 3534 xpt_release_ccb(ccb); 3535 3536 return(error); 3537} 3538 3539 3540static int 3541cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3542 u_int32_t etrack, u_int32_t eindex) 3543{ 3544 struct scsi_play_track *scsi_cmd; 3545 struct ccb_scsiio *csio; 3546 union ccb *ccb; 3547 int error; 3548 3549 error = 0; 3550 3551 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3552 3553 csio = &ccb->csio; 3554 3555 cam_fill_csio(csio, 3556 /* retries */ 1, 3557 /* cbfcnp */ cddone, 3558 /* flags */ CAM_DIR_NONE, 3559 /* tag_action */ MSG_SIMPLE_Q_TAG, 3560 /* data_ptr */ NULL, 3561 /* dxfer_len */ 0, 3562 /* sense_len */ SSD_FULL_SIZE, 3563 sizeof(struct scsi_play_track), 3564 /* timeout */ 50000); 3565 3566 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3567 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3568 3569 scsi_cmd->op_code = PLAY_TRACK; 3570 scsi_cmd->start_track = strack; 3571 scsi_cmd->start_index = sindex; 3572 scsi_cmd->end_track = etrack; 3573 scsi_cmd->end_index = eindex; 3574 3575 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3576 /*sense_flags*/SF_RETRY_UA); 3577 3578 xpt_release_ccb(ccb); 3579 3580 return(error); 3581} 3582 3583static int 3584cdpause(struct cam_periph *periph, u_int32_t go) 3585{ 3586 struct scsi_pause *scsi_cmd; 3587 struct ccb_scsiio *csio; 3588 union ccb *ccb; 3589 int error; 3590 3591 error = 0; 3592 3593 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3594 3595 csio = &ccb->csio; 3596 3597 cam_fill_csio(csio, 3598 /* retries */ 1, 3599 /* cbfcnp */ cddone, 3600 /* flags */ CAM_DIR_NONE, 3601 /* tag_action */ MSG_SIMPLE_Q_TAG, 3602 /* data_ptr */ NULL, 3603 /* dxfer_len */ 0, 3604 /* sense_len */ SSD_FULL_SIZE, 3605 sizeof(struct scsi_pause), 3606 /* timeout */ 50000); 3607 3608 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3609 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3610 3611 scsi_cmd->op_code = PAUSE; 3612 scsi_cmd->resume = go; 3613 3614 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3615 /*sense_flags*/SF_RETRY_UA); 3616 3617 xpt_release_ccb(ccb); 3618 3619 return(error); 3620} 3621 3622static int 3623cdstartunit(struct cam_periph *periph, int load) 3624{ 3625 union ccb *ccb; 3626 int error; 3627 3628 error = 0; 3629 3630 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3631 3632 scsi_start_stop(&ccb->csio, 3633 /* retries */ 1, 3634 /* cbfcnp */ cddone, 3635 /* tag_action */ MSG_SIMPLE_Q_TAG, 3636 /* start */ TRUE, 3637 /* load_eject */ load, 3638 /* immediate */ FALSE, 3639 /* sense_len */ SSD_FULL_SIZE, 3640 /* timeout */ 50000); 3641 3642 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3643 /*sense_flags*/SF_RETRY_UA); 3644 3645 xpt_release_ccb(ccb); 3646 3647 return(error); 3648} 3649 3650static int 3651cdstopunit(struct cam_periph *periph, u_int32_t eject) 3652{ 3653 union ccb *ccb; 3654 int error; 3655 3656 error = 0; 3657 3658 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3659 3660 scsi_start_stop(&ccb->csio, 3661 /* retries */ 1, 3662 /* cbfcnp */ cddone, 3663 /* tag_action */ MSG_SIMPLE_Q_TAG, 3664 /* start */ FALSE, 3665 /* load_eject */ eject, 3666 /* immediate */ FALSE, 3667 /* sense_len */ SSD_FULL_SIZE, 3668 /* timeout */ 50000); 3669 3670 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3671 /*sense_flags*/SF_RETRY_UA); 3672 3673 xpt_release_ccb(ccb); 3674 3675 return(error); 3676} 3677 3678static int 3679cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3680{ 3681 struct scsi_set_speed *scsi_cmd; 3682 struct ccb_scsiio *csio; 3683 union ccb *ccb; 3684 int error; 3685 3686 error = 0; 3687 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3688 csio = &ccb->csio; 3689 3690 /* Preserve old behavior: units in multiples of CDROM speed */ 3691 if (rdspeed < 177) 3692 rdspeed *= 177; 3693 if (wrspeed < 177) 3694 wrspeed *= 177; 3695 3696 cam_fill_csio(csio, 3697 /* retries */ 1, 3698 /* cbfcnp */ cddone, 3699 /* flags */ CAM_DIR_NONE, 3700 /* tag_action */ MSG_SIMPLE_Q_TAG, 3701 /* data_ptr */ NULL, 3702 /* dxfer_len */ 0, 3703 /* sense_len */ SSD_FULL_SIZE, 3704 sizeof(struct scsi_set_speed), 3705 /* timeout */ 50000); 3706 3707 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3708 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3709 3710 scsi_cmd->opcode = SET_CD_SPEED; 3711 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3712 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3713 3714 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3715 /*sense_flags*/SF_RETRY_UA); 3716 3717 xpt_release_ccb(ccb); 3718 3719 return(error); 3720} 3721 3722static int 3723cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3724{ 3725 union ccb *ccb; 3726 u_int8_t *databuf; 3727 u_int32_t lba; 3728 int error; 3729 int length; 3730 3731 error = 0; 3732 databuf = NULL; 3733 lba = 0; 3734 3735 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3736 3737 switch (authinfo->format) { 3738 case DVD_REPORT_AGID: 3739 length = sizeof(struct scsi_report_key_data_agid); 3740 break; 3741 case DVD_REPORT_CHALLENGE: 3742 length = sizeof(struct scsi_report_key_data_challenge); 3743 break; 3744 case DVD_REPORT_KEY1: 3745 length = sizeof(struct scsi_report_key_data_key1_key2); 3746 break; 3747 case DVD_REPORT_TITLE_KEY: 3748 length = sizeof(struct scsi_report_key_data_title); 3749 /* The lba field is only set for the title key */ 3750 lba = authinfo->lba; 3751 break; 3752 case DVD_REPORT_ASF: 3753 length = sizeof(struct scsi_report_key_data_asf); 3754 break; 3755 case DVD_REPORT_RPC: 3756 length = sizeof(struct scsi_report_key_data_rpc); 3757 break; 3758 case DVD_INVALIDATE_AGID: 3759 length = 0; 3760 break; 3761 default: 3762 error = EINVAL; 3763 goto bailout; 3764 break; /* NOTREACHED */ 3765 } 3766 3767 if (length != 0) { 3768 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3769 } else 3770 databuf = NULL; 3771 3772 3773 scsi_report_key(&ccb->csio, 3774 /* retries */ 1, 3775 /* cbfcnp */ cddone, 3776 /* tag_action */ MSG_SIMPLE_Q_TAG, 3777 /* lba */ lba, 3778 /* agid */ authinfo->agid, 3779 /* key_format */ authinfo->format, 3780 /* data_ptr */ databuf, 3781 /* dxfer_len */ length, 3782 /* sense_len */ SSD_FULL_SIZE, 3783 /* timeout */ 50000); 3784 3785 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3786 /*sense_flags*/SF_RETRY_UA); 3787 3788 if (error != 0) 3789 goto bailout; 3790 3791 if (ccb->csio.resid != 0) { 3792 xpt_print(periph->path, "warning, residual for report key " 3793 "command is %d\n", ccb->csio.resid); 3794 } 3795 3796 switch(authinfo->format) { 3797 case DVD_REPORT_AGID: { 3798 struct scsi_report_key_data_agid *agid_data; 3799 3800 agid_data = (struct scsi_report_key_data_agid *)databuf; 3801 3802 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3803 RKD_AGID_SHIFT; 3804 break; 3805 } 3806 case DVD_REPORT_CHALLENGE: { 3807 struct scsi_report_key_data_challenge *chal_data; 3808 3809 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3810 3811 bcopy(chal_data->challenge_key, authinfo->keychal, 3812 min(sizeof(chal_data->challenge_key), 3813 sizeof(authinfo->keychal))); 3814 break; 3815 } 3816 case DVD_REPORT_KEY1: { 3817 struct scsi_report_key_data_key1_key2 *key1_data; 3818 3819 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3820 3821 bcopy(key1_data->key1, authinfo->keychal, 3822 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3823 break; 3824 } 3825 case DVD_REPORT_TITLE_KEY: { 3826 struct scsi_report_key_data_title *title_data; 3827 3828 title_data = (struct scsi_report_key_data_title *)databuf; 3829 3830 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3831 RKD_TITLE_CPM_SHIFT; 3832 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3833 RKD_TITLE_CP_SEC_SHIFT; 3834 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3835 RKD_TITLE_CMGS_SHIFT; 3836 bcopy(title_data->title_key, authinfo->keychal, 3837 min(sizeof(title_data->title_key), 3838 sizeof(authinfo->keychal))); 3839 break; 3840 } 3841 case DVD_REPORT_ASF: { 3842 struct scsi_report_key_data_asf *asf_data; 3843 3844 asf_data = (struct scsi_report_key_data_asf *)databuf; 3845 3846 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3847 break; 3848 } 3849 case DVD_REPORT_RPC: { 3850 struct scsi_report_key_data_rpc *rpc_data; 3851 3852 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3853 3854 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3855 RKD_RPC_TYPE_SHIFT; 3856 authinfo->vend_rsts = 3857 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3858 RKD_RPC_VENDOR_RESET_SHIFT; 3859 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3860 authinfo->region = rpc_data->region_mask; 3861 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3862 break; 3863 } 3864 case DVD_INVALIDATE_AGID: 3865 break; 3866 default: 3867 /* This should be impossible, since we checked above */ 3868 error = EINVAL; 3869 goto bailout; 3870 break; /* NOTREACHED */ 3871 } 3872bailout: 3873 if (databuf != NULL) 3874 free(databuf, M_DEVBUF); 3875 3876 xpt_release_ccb(ccb); 3877 3878 return(error); 3879} 3880 3881static int 3882cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3883{ 3884 union ccb *ccb; 3885 u_int8_t *databuf; 3886 int length; 3887 int error; 3888 3889 error = 0; 3890 databuf = NULL; 3891 3892 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3893 3894 switch(authinfo->format) { 3895 case DVD_SEND_CHALLENGE: { 3896 struct scsi_report_key_data_challenge *challenge_data; 3897 3898 length = sizeof(*challenge_data); 3899 3900 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3901 3902 databuf = (u_int8_t *)challenge_data; 3903 3904 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3905 challenge_data->data_len); 3906 3907 bcopy(authinfo->keychal, challenge_data->challenge_key, 3908 min(sizeof(authinfo->keychal), 3909 sizeof(challenge_data->challenge_key))); 3910 break; 3911 } 3912 case DVD_SEND_KEY2: { 3913 struct scsi_report_key_data_key1_key2 *key2_data; 3914 3915 length = sizeof(*key2_data); 3916 3917 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3918 3919 databuf = (u_int8_t *)key2_data; 3920 3921 scsi_ulto2b(length - sizeof(key2_data->data_len), 3922 key2_data->data_len); 3923 3924 bcopy(authinfo->keychal, key2_data->key1, 3925 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3926 3927 break; 3928 } 3929 case DVD_SEND_RPC: { 3930 struct scsi_send_key_data_rpc *rpc_data; 3931 3932 length = sizeof(*rpc_data); 3933 3934 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3935 3936 databuf = (u_int8_t *)rpc_data; 3937 3938 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3939 rpc_data->data_len); 3940 3941 rpc_data->region_code = authinfo->region; 3942 break; 3943 } 3944 default: 3945 error = EINVAL; 3946 goto bailout; 3947 break; /* NOTREACHED */ 3948 } 3949 3950 scsi_send_key(&ccb->csio, 3951 /* retries */ 1, 3952 /* cbfcnp */ cddone, 3953 /* tag_action */ MSG_SIMPLE_Q_TAG, 3954 /* agid */ authinfo->agid, 3955 /* key_format */ authinfo->format, 3956 /* data_ptr */ databuf, 3957 /* dxfer_len */ length, 3958 /* sense_len */ SSD_FULL_SIZE, 3959 /* timeout */ 50000); 3960 3961 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3962 /*sense_flags*/SF_RETRY_UA); 3963 3964bailout: 3965 3966 if (databuf != NULL) 3967 free(databuf, M_DEVBUF); 3968 3969 xpt_release_ccb(ccb); 3970 3971 return(error); 3972} 3973 3974static int 3975cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3976{ 3977 union ccb *ccb; 3978 u_int8_t *databuf; 3979 u_int32_t address; 3980 int error; 3981 int length; 3982 3983 error = 0; 3984 databuf = NULL; 3985 /* The address is reserved for many of the formats */ 3986 address = 0; 3987 3988 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 3989 3990 switch(dvdstruct->format) { 3991 case DVD_STRUCT_PHYSICAL: 3992 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3993 break; 3994 case DVD_STRUCT_COPYRIGHT: 3995 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3996 break; 3997 case DVD_STRUCT_DISCKEY: 3998 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3999 break; 4000 case DVD_STRUCT_BCA: 4001 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4002 break; 4003 case DVD_STRUCT_MANUFACT: 4004 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4005 break; 4006 case DVD_STRUCT_CMI: 4007 error = ENODEV; 4008 goto bailout; 4009#ifdef notyet 4010 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4011 address = dvdstruct->address; 4012#endif 4013 break; /* NOTREACHED */ 4014 case DVD_STRUCT_PROTDISCID: 4015 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4016 break; 4017 case DVD_STRUCT_DISCKEYBLOCK: 4018 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4019 break; 4020 case DVD_STRUCT_DDS: 4021 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4022 break; 4023 case DVD_STRUCT_MEDIUM_STAT: 4024 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4025 break; 4026 case DVD_STRUCT_SPARE_AREA: 4027 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4028 break; 4029 case DVD_STRUCT_RMD_LAST: 4030 error = ENODEV; 4031 goto bailout; 4032#ifdef notyet 4033 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4034 address = dvdstruct->address; 4035#endif 4036 break; /* NOTREACHED */ 4037 case DVD_STRUCT_RMD_RMA: 4038 error = ENODEV; 4039 goto bailout; 4040#ifdef notyet 4041 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4042 address = dvdstruct->address; 4043#endif 4044 break; /* NOTREACHED */ 4045 case DVD_STRUCT_PRERECORDED: 4046 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4047 break; 4048 case DVD_STRUCT_UNIQUEID: 4049 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4050 break; 4051 case DVD_STRUCT_DCB: 4052 error = ENODEV; 4053 goto bailout; 4054#ifdef notyet 4055 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4056 address = dvdstruct->address; 4057#endif 4058 break; /* NOTREACHED */ 4059 case DVD_STRUCT_LIST: 4060 /* 4061 * This is the maximum allocation length for the READ DVD 4062 * STRUCTURE command. There's nothing in the MMC3 spec 4063 * that indicates a limit in the amount of data that can 4064 * be returned from this call, other than the limits 4065 * imposed by the 2-byte length variables. 4066 */ 4067 length = 65535; 4068 break; 4069 default: 4070 error = EINVAL; 4071 goto bailout; 4072 break; /* NOTREACHED */ 4073 } 4074 4075 if (length != 0) { 4076 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4077 } else 4078 databuf = NULL; 4079 4080 scsi_read_dvd_structure(&ccb->csio, 4081 /* retries */ 1, 4082 /* cbfcnp */ cddone, 4083 /* tag_action */ MSG_SIMPLE_Q_TAG, 4084 /* lba */ address, 4085 /* layer_number */ dvdstruct->layer_num, 4086 /* key_format */ dvdstruct->format, 4087 /* agid */ dvdstruct->agid, 4088 /* data_ptr */ databuf, 4089 /* dxfer_len */ length, 4090 /* sense_len */ SSD_FULL_SIZE, 4091 /* timeout */ 50000); 4092 4093 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4094 /*sense_flags*/SF_RETRY_UA); 4095 4096 if (error != 0) 4097 goto bailout; 4098 4099 switch(dvdstruct->format) { 4100 case DVD_STRUCT_PHYSICAL: { 4101 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4102 struct dvd_layer *outlayer; 4103 struct scsi_read_dvd_struct_data_physical *phys_data; 4104 4105 phys_data = 4106 (struct scsi_read_dvd_struct_data_physical *)databuf; 4107 inlayer = &phys_data->layer_desc; 4108 outlayer = (struct dvd_layer *)&dvdstruct->data; 4109 4110 dvdstruct->length = sizeof(*inlayer); 4111 4112 outlayer->book_type = (inlayer->book_type_version & 4113 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4114 outlayer->book_version = (inlayer->book_type_version & 4115 RDSD_BOOK_VERSION_MASK); 4116 outlayer->disc_size = (inlayer->disc_size_max_rate & 4117 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4118 outlayer->max_rate = (inlayer->disc_size_max_rate & 4119 RDSD_MAX_RATE_MASK); 4120 outlayer->nlayers = (inlayer->layer_info & 4121 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4122 outlayer->track_path = (inlayer->layer_info & 4123 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4124 outlayer->layer_type = (inlayer->layer_info & 4125 RDSD_LAYER_TYPE_MASK); 4126 outlayer->linear_density = (inlayer->density & 4127 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4128 outlayer->track_density = (inlayer->density & 4129 RDSD_TRACK_DENSITY_MASK); 4130 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4131 RDSD_BCA_SHIFT; 4132 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4133 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4134 outlayer->end_sector_l0 = 4135 scsi_3btoul(inlayer->end_sector_layer0); 4136 break; 4137 } 4138 case DVD_STRUCT_COPYRIGHT: { 4139 struct scsi_read_dvd_struct_data_copyright *copy_data; 4140 4141 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4142 databuf; 4143 4144 dvdstruct->cpst = copy_data->cps_type; 4145 dvdstruct->rmi = copy_data->region_info; 4146 dvdstruct->length = 0; 4147 4148 break; 4149 } 4150 default: 4151 /* 4152 * Tell the user what the overall length is, no matter 4153 * what we can actually fit in the data buffer. 4154 */ 4155 dvdstruct->length = length - ccb->csio.resid - 4156 sizeof(struct scsi_read_dvd_struct_data_header); 4157 4158 /* 4159 * But only actually copy out the smaller of what we read 4160 * in or what the structure can take. 4161 */ 4162 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4163 dvdstruct->data, 4164 min(sizeof(dvdstruct->data), dvdstruct->length)); 4165 break; 4166 } 4167bailout: 4168 4169 if (databuf != NULL) 4170 free(databuf, M_DEVBUF); 4171 4172 xpt_release_ccb(ccb); 4173 4174 return(error); 4175} 4176 4177void 4178scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4179 void (*cbfcnp)(struct cam_periph *, union ccb *), 4180 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4181 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4182 u_int8_t sense_len, u_int32_t timeout) 4183{ 4184 struct scsi_report_key *scsi_cmd; 4185 4186 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4187 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4188 scsi_cmd->opcode = REPORT_KEY; 4189 scsi_ulto4b(lba, scsi_cmd->lba); 4190 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4191 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4192 (key_format & RK_KF_KEYFORMAT_MASK); 4193 4194 cam_fill_csio(csio, 4195 retries, 4196 cbfcnp, 4197 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4198 tag_action, 4199 /*data_ptr*/ data_ptr, 4200 /*dxfer_len*/ dxfer_len, 4201 sense_len, 4202 sizeof(*scsi_cmd), 4203 timeout); 4204} 4205 4206void 4207scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4208 void (*cbfcnp)(struct cam_periph *, union ccb *), 4209 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4210 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4211 u_int32_t timeout) 4212{ 4213 struct scsi_send_key *scsi_cmd; 4214 4215 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4216 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4217 scsi_cmd->opcode = SEND_KEY; 4218 4219 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4220 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4221 (key_format & RK_KF_KEYFORMAT_MASK); 4222 4223 cam_fill_csio(csio, 4224 retries, 4225 cbfcnp, 4226 /*flags*/ CAM_DIR_OUT, 4227 tag_action, 4228 /*data_ptr*/ data_ptr, 4229 /*dxfer_len*/ dxfer_len, 4230 sense_len, 4231 sizeof(*scsi_cmd), 4232 timeout); 4233} 4234 4235 4236void 4237scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4238 void (*cbfcnp)(struct cam_periph *, union ccb *), 4239 u_int8_t tag_action, u_int32_t address, 4240 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4241 u_int8_t *data_ptr, u_int32_t dxfer_len, 4242 u_int8_t sense_len, u_int32_t timeout) 4243{ 4244 struct scsi_read_dvd_structure *scsi_cmd; 4245 4246 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4247 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4248 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4249 4250 scsi_ulto4b(address, scsi_cmd->address); 4251 scsi_cmd->layer_number = layer_number; 4252 scsi_cmd->format = format; 4253 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4254 /* The AGID is the top two bits of this byte */ 4255 scsi_cmd->agid = agid << 6; 4256 4257 cam_fill_csio(csio, 4258 retries, 4259 cbfcnp, 4260 /*flags*/ CAM_DIR_IN, 4261 tag_action, 4262 /*data_ptr*/ data_ptr, 4263 /*dxfer_len*/ dxfer_len, 4264 sense_len, 4265 sizeof(*scsi_cmd), 4266 timeout); 4267} 4268