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