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