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 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 310 static SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, 311 "CD Changer"); 312 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 313 &cd_retry_count, 0, "Normal I/O retry count"); 314 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 315 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 316 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 317 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 318 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 319 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 320 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 321 322 struct cdchanger { 323 path_id_t path_id; 324 target_id_t target_id; 325 int num_devices; 326 struct camq devq; 327 struct timeval start_time; 328 struct cd_softc *cur_device; 329 struct callout short_handle; 330 struct callout long_handle; 331 volatile cd_changer_flags flags; 332 STAILQ_ENTRY(cdchanger) changer_links; 333 STAILQ_HEAD(chdevlist, cd_softc) chluns; 334 }; 335 336 static struct mtx changerq_mtx; 337 static STAILQ_HEAD(changerlist, cdchanger) changerq; 338 static int num_changers; 339 340 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 341 342 static void 343 cdinit(void) 344 { 345 cam_status status; 346 347 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 348 STAILQ_INIT(&changerq); 349 350 /* 351 * Install a global async callback. This callback will 352 * receive async callbacks like "new device found". 353 */ 354 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 355 356 if (status != CAM_REQ_CMP) { 357 printf("cd: Failed to attach master async callback " 358 "due to status 0x%x!\n", status); 359 } 360 } 361 362 static void 363 cdoninvalidate(struct cam_periph *periph) 364 { 365 struct cd_softc *softc; 366 367 softc = (struct cd_softc *)periph->softc; 368 369 /* 370 * De-register any async callbacks. 371 */ 372 xpt_register_async(0, cdasync, periph, periph->path); 373 374 softc->flags |= CD_FLAG_INVALID; 375 376 /* 377 * Return all queued I/O with ENXIO. 378 * XXX Handle any transactions queued to the card 379 * with XPT_ABORT_CCB. 380 */ 381 bioq_flush(&softc->bio_queue, NULL, ENXIO); 382 383 /* 384 * If this device is part of a changer, and it was scheduled 385 * to run, remove it from the run queue since we just nuked 386 * all of its scheduled I/O. 387 */ 388 if ((softc->flags & CD_FLAG_CHANGER) 389 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 390 camq_remove(&softc->changer->devq, softc->pinfo.index); 391 392 disk_gone(softc->disk); 393 xpt_print(periph->path, "lost device\n"); 394 } 395 396 static void 397 cdcleanup(struct cam_periph *periph) 398 { 399 struct cd_softc *softc; 400 401 softc = (struct cd_softc *)periph->softc; 402 403 xpt_print(periph->path, "removing device entry\n"); 404 405 /* 406 * In the queued, non-active case, the device in question 407 * has already been removed from the changer run queue. Since this 408 * device is active, we need to de-activate it, and schedule 409 * another device to run. (if there is another one to run) 410 */ 411 if ((softc->flags & CD_FLAG_CHANGER) 412 && (softc->flags & CD_FLAG_ACTIVE)) { 413 414 /* 415 * The purpose of the short timeout is soley to determine 416 * whether the current device has finished or not. Well, 417 * since we're removing the active device, we know that it 418 * is finished. So, get rid of the short timeout. 419 * Otherwise, if we're in the time period before the short 420 * timeout fires, and there are no other devices in the 421 * queue to run, there won't be any other device put in the 422 * active slot. i.e., when we call cdrunchangerqueue() 423 * below, it won't do anything. Then, when the short 424 * timeout fires, it'll look at the "current device", which 425 * we are free below, and possibly panic the kernel on a 426 * bogus pointer reference. 427 * 428 * The long timeout doesn't really matter, since we 429 * decrement the qfrozen_cnt to indicate that there is 430 * nothing in the active slot now. Therefore, there won't 431 * be any bogus pointer references there. 432 */ 433 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 434 callout_stop(&softc->changer->short_handle); 435 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 436 } 437 softc->changer->devq.qfrozen_cnt[0]--; 438 softc->changer->flags |= CHANGER_MANUAL_CALL; 439 cdrunchangerqueue(softc->changer); 440 } 441 442 /* 443 * If we're removing the last device on the changer, go ahead and 444 * remove the changer device structure. 445 */ 446 if ((softc->flags & CD_FLAG_CHANGER) 447 && (--softc->changer->num_devices == 0)) { 448 449 /* 450 * Theoretically, there shouldn't be any timeouts left, but 451 * I'm not completely sure that that will be the case. So, 452 * it won't hurt to check and see if there are any left. 453 */ 454 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 455 callout_stop(&softc->changer->long_handle); 456 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 457 } 458 459 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 460 callout_stop(&softc->changer->short_handle); 461 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 462 } 463 464 mtx_lock(&changerq_mtx); 465 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 466 changer_links); 467 num_changers--; 468 mtx_unlock(&changerq_mtx); 469 xpt_print(periph->path, "removing changer entry\n"); 470 free(softc->changer, M_DEVBUF); 471 } 472 cam_periph_unlock(periph); 473 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 474 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 475 xpt_print(periph->path, "can't remove sysctl context\n"); 476 } 477 478 disk_destroy(softc->disk); 479 free(softc, M_DEVBUF); 480 cam_periph_lock(periph); 481 } 482 483 static void 484 cdasync(void *callback_arg, u_int32_t code, 485 struct cam_path *path, void *arg) 486 { 487 struct cam_periph *periph; 488 489 periph = (struct cam_periph *)callback_arg; 490 switch (code) { 491 case AC_FOUND_DEVICE: 492 { 493 struct ccb_getdev *cgd; 494 cam_status status; 495 496 cgd = (struct ccb_getdev *)arg; 497 if (cgd == NULL) 498 break; 499 500 if (cgd->protocol != PROTO_SCSI) 501 break; 502 503 if (SID_TYPE(&cgd->inq_data) != T_CDROM 504 && SID_TYPE(&cgd->inq_data) != T_WORM) 505 break; 506 507 /* 508 * Allocate a peripheral instance for 509 * this device and start the probe 510 * process. 511 */ 512 status = cam_periph_alloc(cdregister, cdoninvalidate, 513 cdcleanup, cdstart, 514 "cd", CAM_PERIPH_BIO, 515 cgd->ccb_h.path, cdasync, 516 AC_FOUND_DEVICE, cgd); 517 518 if (status != CAM_REQ_CMP 519 && status != CAM_REQ_INPROG) 520 printf("cdasync: Unable to attach new device " 521 "due to status 0x%x\n", status); 522 523 break; 524 } 525 case AC_SENT_BDR: 526 case AC_BUS_RESET: 527 { 528 struct cd_softc *softc; 529 struct ccb_hdr *ccbh; 530 531 softc = (struct cd_softc *)periph->softc; 532 /* 533 * Don't fail on the expected unit attention 534 * that will occur. 535 */ 536 softc->flags |= CD_FLAG_RETRY_UA; 537 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 538 ccbh->ccb_state |= CD_CCB_RETRY_UA; 539 /* FALLTHROUGH */ 540 } 541 default: 542 cam_periph_async(periph, code, path, arg); 543 break; 544 } 545 } 546 547 static void 548 cdsysctlinit(void *context, int pending) 549 { 550 struct cam_periph *periph; 551 struct cd_softc *softc; 552 char tmpstr[80], tmpstr2[80]; 553 554 periph = (struct cam_periph *)context; 555 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 556 return; 557 558 softc = (struct cd_softc *)periph->softc; 559 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 560 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 561 562 sysctl_ctx_init(&softc->sysctl_ctx); 563 softc->flags |= CD_FLAG_SCTX_INIT; 564 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 565 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 566 tmpstr2, CTLFLAG_RD, 0, tmpstr); 567 568 if (softc->sysctl_tree == NULL) { 569 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 570 cam_periph_release(periph); 571 return; 572 } 573 574 /* 575 * Now register the sysctl handler, so the user can the value on 576 * the fly. 577 */ 578 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 579 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 580 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 581 "Minimum CDB size"); 582 583 cam_periph_release(periph); 584 } 585 586 /* 587 * We have a handler function for this so we can check the values when the 588 * user sets them, instead of every time we look at them. 589 */ 590 static int 591 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 592 { 593 int error, value; 594 595 value = *(int *)arg1; 596 597 error = sysctl_handle_int(oidp, &value, 0, req); 598 599 if ((error != 0) 600 || (req->newptr == NULL)) 601 return (error); 602 603 /* 604 * The only real values we can have here are 6 or 10. I don't 605 * really forsee having 12 be an option at any time in the future. 606 * So if the user sets something less than or equal to 6, we'll set 607 * it to 6. If he sets something greater than 6, we'll set it to 10. 608 * 609 * I suppose we could just return an error here for the wrong values, 610 * but I don't think it's necessary to do so, as long as we can 611 * determine the user's intent without too much trouble. 612 */ 613 if (value < 6) 614 value = 6; 615 else if (value > 6) 616 value = 10; 617 618 *(int *)arg1 = value; 619 620 return (0); 621 } 622 623 static cam_status 624 cdregister(struct cam_periph *periph, void *arg) 625 { 626 struct cd_softc *softc; 627 struct ccb_pathinq cpi; 628 struct ccb_getdev *cgd; 629 char tmpstr[80]; 630 caddr_t match; 631 632 cgd = (struct ccb_getdev *)arg; 633 if (periph == NULL) { 634 printf("cdregister: periph was NULL!!\n"); 635 return(CAM_REQ_CMP_ERR); 636 } 637 if (cgd == NULL) { 638 printf("cdregister: no getdev CCB, can't register device\n"); 639 return(CAM_REQ_CMP_ERR); 640 } 641 642 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 643 M_NOWAIT | M_ZERO); 644 if (softc == NULL) { 645 printf("cdregister: Unable to probe new device. " 646 "Unable to allocate softc\n"); 647 return(CAM_REQ_CMP_ERR); 648 } 649 650 LIST_INIT(&softc->pending_ccbs); 651 STAILQ_INIT(&softc->mode_queue); 652 softc->state = CD_STATE_PROBE; 653 bioq_init(&softc->bio_queue); 654 if (SID_IS_REMOVABLE(&cgd->inq_data)) 655 softc->flags |= CD_FLAG_DISC_REMOVABLE; 656 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 657 softc->flags |= CD_FLAG_TAGGED_QUEUING; 658 659 periph->softc = softc; 660 softc->periph = periph; 661 662 /* 663 * See if this device has any quirks. 664 */ 665 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 666 (caddr_t)cd_quirk_table, 667 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 668 sizeof(*cd_quirk_table), scsi_inquiry_match); 669 670 if (match != NULL) 671 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 672 else 673 softc->quirks = CD_Q_NONE; 674 675 /* Check if the SIM does not want 6 byte commands */ 676 bzero(&cpi, sizeof(cpi)); 677 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 678 cpi.ccb_h.func_code = XPT_PATH_INQ; 679 xpt_action((union ccb *)&cpi); 680 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 681 softc->quirks |= CD_Q_10_BYTE_ONLY; 682 683 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 684 685 /* The default is 6 byte commands, unless quirked otherwise */ 686 if (softc->quirks & CD_Q_10_BYTE_ONLY) 687 softc->minimum_command_size = 10; 688 else 689 softc->minimum_command_size = 6; 690 691 /* 692 * Refcount and block open attempts until we are setup 693 * Can't block 694 */ 695 (void)cam_periph_hold(periph, PRIBIO); 696 cam_periph_unlock(periph); 697 /* 698 * Load the user's default, if any. 699 */ 700 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 701 periph->unit_number); 702 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 703 704 /* 6 and 10 are the only permissible values here. */ 705 if (softc->minimum_command_size < 6) 706 softc->minimum_command_size = 6; 707 else if (softc->minimum_command_size > 6) 708 softc->minimum_command_size = 10; 709 710 /* 711 * We need to register the statistics structure for this device, 712 * but we don't have the blocksize yet for it. So, we register 713 * the structure and indicate that we don't have the blocksize 714 * yet. Unlike other SCSI peripheral drivers, we explicitly set 715 * the device type here to be CDROM, rather than just ORing in 716 * the device type. This is because this driver can attach to either 717 * CDROM or WORM devices, and we want this peripheral driver to 718 * show up in the devstat list as a CD peripheral driver, not a 719 * WORM peripheral driver. WORM drives will also have the WORM 720 * driver attached to them. 721 */ 722 softc->disk = disk_alloc(); 723 softc->disk->d_devstat = devstat_new_entry("cd", 724 periph->unit_number, 0, 725 DEVSTAT_BS_UNAVAILABLE, 726 DEVSTAT_TYPE_CDROM | 727 XPORT_DEVSTAT_TYPE(cpi.transport), 728 DEVSTAT_PRIORITY_CD); 729 softc->disk->d_open = cdopen; 730 softc->disk->d_close = cdclose; 731 softc->disk->d_strategy = cdstrategy; 732 softc->disk->d_ioctl = cdioctl; 733 softc->disk->d_name = "cd"; 734 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 735 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 736 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 737 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 738 cgd->inq_data.product, sizeof(cgd->inq_data.product), 739 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 740 softc->disk->d_unit = periph->unit_number; 741 softc->disk->d_drv1 = periph; 742 if (cpi.maxio == 0) 743 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 744 else if (cpi.maxio > MAXPHYS) 745 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 746 else 747 softc->disk->d_maxsize = cpi.maxio; 748 softc->disk->d_flags = 0; 749 softc->disk->d_hba_vendor = cpi.hba_vendor; 750 softc->disk->d_hba_device = cpi.hba_device; 751 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 752 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 753 disk_create(softc->disk, DISK_VERSION); 754 cam_periph_lock(periph); 755 756 /* 757 * Add an async callback so that we get 758 * notified if this device goes away. 759 */ 760 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 761 cdasync, periph, periph->path); 762 763 /* 764 * If the target lun is greater than 0, we most likely have a CD 765 * changer device. Check the quirk entries as well, though, just 766 * in case someone has a CD tower with one lun per drive or 767 * something like that. Also, if we know up front that a 768 * particular device is a changer, we can mark it as such starting 769 * with lun 0, instead of lun 1. It shouldn't be necessary to have 770 * a quirk entry to define something as a changer, however. 771 */ 772 if (((cgd->ccb_h.target_lun > 0) 773 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 774 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 775 struct cdchanger *nchanger; 776 struct cam_periph *nperiph; 777 struct cam_path *path; 778 cam_status status; 779 int found; 780 781 /* Set the changer flag in the current device's softc */ 782 softc->flags |= CD_FLAG_CHANGER; 783 784 /* 785 * Now, look around for an existing changer device with the 786 * same path and target ID as the current device. 787 */ 788 mtx_lock(&changerq_mtx); 789 for (found = 0, 790 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 791 nchanger != NULL; 792 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 793 if ((nchanger->path_id == cgd->ccb_h.path_id) 794 && (nchanger->target_id == cgd->ccb_h.target_id)) { 795 found = 1; 796 break; 797 } 798 } 799 mtx_unlock(&changerq_mtx); 800 801 /* 802 * If we found a matching entry, just add this device to 803 * the list of devices on this changer. 804 */ 805 if (found == 1) { 806 struct chdevlist *chlunhead; 807 808 chlunhead = &nchanger->chluns; 809 810 /* 811 * XXX KDM look at consolidating this code with the 812 * code below in a separate function. 813 */ 814 815 /* 816 * Create a path with lun id 0, and see if we can 817 * find a matching device 818 */ 819 status = xpt_create_path(&path, /*periph*/ periph, 820 cgd->ccb_h.path_id, 821 cgd->ccb_h.target_id, 0); 822 823 if ((status == CAM_REQ_CMP) 824 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 825 struct cd_softc *nsoftc; 826 827 nsoftc = (struct cd_softc *)nperiph->softc; 828 829 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 830 nsoftc->flags |= CD_FLAG_CHANGER; 831 nchanger->num_devices++; 832 if (camq_resize(&nchanger->devq, 833 nchanger->num_devices)!=CAM_REQ_CMP){ 834 printf("cdregister: " 835 "camq_resize " 836 "failed, changer " 837 "support may " 838 "be messed up\n"); 839 } 840 nsoftc->changer = nchanger; 841 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 842 843 STAILQ_INSERT_TAIL(&nchanger->chluns, 844 nsoftc,changer_links); 845 } 846 xpt_free_path(path); 847 } else if (status == CAM_REQ_CMP) 848 xpt_free_path(path); 849 else { 850 printf("cdregister: unable to allocate path\n" 851 "cdregister: changer support may be " 852 "broken\n"); 853 } 854 855 nchanger->num_devices++; 856 857 softc->changer = nchanger; 858 softc->pinfo.index = CAM_UNQUEUED_INDEX; 859 860 if (camq_resize(&nchanger->devq, 861 nchanger->num_devices) != CAM_REQ_CMP) { 862 printf("cdregister: camq_resize " 863 "failed, changer support may " 864 "be messed up\n"); 865 } 866 867 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 868 } 869 /* 870 * In this case, we don't already have an entry for this 871 * particular changer, so we need to create one, add it to 872 * the queue, and queue this device on the list for this 873 * changer. Before we queue this device, however, we need 874 * to search for lun id 0 on this target, and add it to the 875 * queue first, if it exists. (and if it hasn't already 876 * been marked as part of the changer.) 877 */ 878 else { 879 nchanger = malloc(sizeof(struct cdchanger), 880 M_DEVBUF, M_NOWAIT | M_ZERO); 881 if (nchanger == NULL) { 882 softc->flags &= ~CD_FLAG_CHANGER; 883 printf("cdregister: unable to malloc " 884 "changer structure\ncdregister: " 885 "changer support disabled\n"); 886 887 /* 888 * Yes, gotos can be gross but in this case 889 * I think it's justified.. 890 */ 891 goto cdregisterexit; 892 } 893 if (camq_init(&nchanger->devq, 1) != 0) { 894 softc->flags &= ~CD_FLAG_CHANGER; 895 printf("cdregister: changer support " 896 "disabled\n"); 897 goto cdregisterexit; 898 } 899 900 nchanger->path_id = cgd->ccb_h.path_id; 901 nchanger->target_id = cgd->ccb_h.target_id; 902 903 /* this is superfluous, but it makes things clearer */ 904 nchanger->num_devices = 0; 905 906 STAILQ_INIT(&nchanger->chluns); 907 908 callout_init_mtx(&nchanger->long_handle, 909 periph->sim->mtx, 0); 910 callout_init_mtx(&nchanger->short_handle, 911 periph->sim->mtx, 0); 912 913 mtx_lock(&changerq_mtx); 914 num_changers++; 915 STAILQ_INSERT_TAIL(&changerq, nchanger, 916 changer_links); 917 mtx_unlock(&changerq_mtx); 918 919 /* 920 * Create a path with lun id 0, and see if we can 921 * find a matching device 922 */ 923 status = xpt_create_path(&path, /*periph*/ periph, 924 cgd->ccb_h.path_id, 925 cgd->ccb_h.target_id, 0); 926 927 /* 928 * If we were able to allocate the path, and if we 929 * find a matching device and it isn't already 930 * marked as part of a changer, then we add it to 931 * the current changer. 932 */ 933 if ((status == CAM_REQ_CMP) 934 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 935 && ((((struct cd_softc *)periph->softc)->flags & 936 CD_FLAG_CHANGER) == 0)) { 937 struct cd_softc *nsoftc; 938 939 nsoftc = (struct cd_softc *)nperiph->softc; 940 941 nsoftc->flags |= CD_FLAG_CHANGER; 942 nchanger->num_devices++; 943 if (camq_resize(&nchanger->devq, 944 nchanger->num_devices) != CAM_REQ_CMP) { 945 printf("cdregister: camq_resize " 946 "failed, changer support may " 947 "be messed up\n"); 948 } 949 nsoftc->changer = nchanger; 950 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 951 952 STAILQ_INSERT_TAIL(&nchanger->chluns, 953 nsoftc, changer_links); 954 xpt_free_path(path); 955 } else if (status == CAM_REQ_CMP) 956 xpt_free_path(path); 957 else { 958 printf("cdregister: unable to allocate path\n" 959 "cdregister: changer support may be " 960 "broken\n"); 961 } 962 963 softc->changer = nchanger; 964 softc->pinfo.index = CAM_UNQUEUED_INDEX; 965 nchanger->num_devices++; 966 if (camq_resize(&nchanger->devq, 967 nchanger->num_devices) != CAM_REQ_CMP) { 968 printf("cdregister: camq_resize " 969 "failed, changer support may " 970 "be messed up\n"); 971 } 972 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 973 changer_links); 974 } 975 } 976 977 cdregisterexit: 978 979 if ((softc->flags & CD_FLAG_CHANGER) == 0) 980 xpt_schedule(periph, CAM_PRIORITY_DEV); 981 else 982 cdschedule(periph, CAM_PRIORITY_DEV); 983 984 return(CAM_REQ_CMP); 985 } 986 987 static int 988 cdopen(struct disk *dp) 989 { 990 struct cam_periph *periph; 991 struct cd_softc *softc; 992 int error; 993 994 periph = (struct cam_periph *)dp->d_drv1; 995 if (periph == NULL) 996 return (ENXIO); 997 998 softc = (struct cd_softc *)periph->softc; 999 1000 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1001 return(ENXIO); 1002 1003 cam_periph_lock(periph); 1004 1005 if (softc->flags & CD_FLAG_INVALID) { 1006 cam_periph_unlock(periph); 1007 cam_periph_release(periph); 1008 return(ENXIO); 1009 } 1010 1011 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1012 cam_periph_unlock(periph); 1013 cam_periph_release(periph); 1014 return (error); 1015 } 1016 1017 /* 1018 * Check for media, and set the appropriate flags. We don't bail 1019 * if we don't have media, but then we don't allow anything but the 1020 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1021 */ 1022 cdcheckmedia(periph); 1023 1024 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1025 cam_periph_unhold(periph); 1026 1027 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1028 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1029 softc->flags |= CD_FLAG_OPEN; 1030 cam_periph_unlock(periph); 1031 } else { 1032 cam_periph_unlock(periph); 1033 cam_periph_release(periph); 1034 } 1035 1036 return (0); 1037 } 1038 1039 static int 1040 cdclose(struct disk *dp) 1041 { 1042 struct cam_periph *periph; 1043 struct cd_softc *softc; 1044 1045 periph = (struct cam_periph *)dp->d_drv1; 1046 if (periph == NULL) 1047 return (ENXIO); 1048 1049 softc = (struct cd_softc *)periph->softc; 1050 1051 cam_periph_lock(periph); 1052 cam_periph_hold(periph, PRIBIO); 1053 1054 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1055 cdprevent(periph, PR_ALLOW); 1056 1057 /* 1058 * Since we're closing this CD, mark the blocksize as unavailable. 1059 * It will be marked as available when the CD is opened again. 1060 */ 1061 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1062 1063 /* 1064 * We'll check the media and toc again at the next open(). 1065 */ 1066 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1067 1068 cam_periph_unhold(periph); 1069 cam_periph_unlock(periph); 1070 cam_periph_release(periph); 1071 1072 return (0); 1073 } 1074 1075 static void 1076 cdshorttimeout(void *arg) 1077 { 1078 struct cdchanger *changer; 1079 1080 changer = (struct cdchanger *)arg; 1081 1082 /* Always clear the short timeout flag, since that's what we're in */ 1083 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1084 1085 /* 1086 * Check to see if there is any more pending or outstanding I/O for 1087 * this device. If not, move it out of the active slot. 1088 */ 1089 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1090 && (changer->cur_device->outstanding_cmds == 0)) { 1091 changer->flags |= CHANGER_MANUAL_CALL; 1092 cdrunchangerqueue(changer); 1093 } 1094 } 1095 1096 /* 1097 * This is a wrapper for xpt_schedule. It only applies to changers. 1098 */ 1099 static void 1100 cdschedule(struct cam_periph *periph, int priority) 1101 { 1102 struct cd_softc *softc; 1103 1104 softc = (struct cd_softc *)periph->softc; 1105 1106 /* 1107 * If this device isn't currently queued, and if it isn't 1108 * the active device, then we queue this device and run the 1109 * changer queue if there is no timeout scheduled to do it. 1110 * If this device is the active device, just schedule it 1111 * to run again. If this device is queued, there should be 1112 * a timeout in place already that will make sure it runs. 1113 */ 1114 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1115 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1116 /* 1117 * We don't do anything with the priority here. 1118 * This is strictly a fifo queue. 1119 */ 1120 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1121 softc->pinfo.generation = ++softc->changer->devq.generation; 1122 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1123 1124 /* 1125 * Since we just put a device in the changer queue, 1126 * check and see if there is a timeout scheduled for 1127 * this changer. If so, let the timeout handle 1128 * switching this device into the active slot. If 1129 * not, manually call the timeout routine to 1130 * bootstrap things. 1131 */ 1132 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1133 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1134 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1135 softc->changer->flags |= CHANGER_MANUAL_CALL; 1136 cdrunchangerqueue(softc->changer); 1137 } 1138 } else if ((softc->flags & CD_FLAG_ACTIVE) 1139 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1140 xpt_schedule(periph, priority); 1141 } 1142 1143 static void 1144 cdrunchangerqueue(void *arg) 1145 { 1146 struct cd_softc *softc; 1147 struct cdchanger *changer; 1148 int called_from_timeout; 1149 1150 changer = (struct cdchanger *)arg; 1151 1152 /* 1153 * If we have NOT been called from cdstrategy() or cddone(), and 1154 * instead from a timeout routine, go ahead and clear the 1155 * timeout flag. 1156 */ 1157 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1158 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1159 called_from_timeout = 1; 1160 } else 1161 called_from_timeout = 0; 1162 1163 /* Always clear the manual call flag */ 1164 changer->flags &= ~CHANGER_MANUAL_CALL; 1165 1166 /* nothing to do if the queue is empty */ 1167 if (changer->devq.entries <= 0) { 1168 return; 1169 } 1170 1171 /* 1172 * If the changer queue is frozen, that means we have an active 1173 * device. 1174 */ 1175 if (changer->devq.qfrozen_cnt[0] > 0) { 1176 1177 /* 1178 * We always need to reset the frozen count and clear the 1179 * active flag. 1180 */ 1181 changer->devq.qfrozen_cnt[0]--; 1182 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1183 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1184 1185 if (changer->cur_device->outstanding_cmds > 0) { 1186 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1187 changer->cur_device->bufs_left = 1188 changer->cur_device->outstanding_cmds; 1189 if (called_from_timeout) { 1190 callout_reset(&changer->long_handle, 1191 changer_max_busy_seconds * hz, 1192 cdrunchangerqueue, changer); 1193 changer->flags |= CHANGER_TIMEOUT_SCHED; 1194 } 1195 return; 1196 } 1197 1198 /* 1199 * Check to see whether the current device has any I/O left 1200 * to do. If so, requeue it at the end of the queue. If 1201 * not, there is no need to requeue it. 1202 */ 1203 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1204 1205 changer->cur_device->pinfo.generation = 1206 ++changer->devq.generation; 1207 camq_insert(&changer->devq, 1208 (cam_pinfo *)changer->cur_device); 1209 } 1210 } 1211 1212 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1213 1214 changer->cur_device = softc; 1215 1216 changer->devq.qfrozen_cnt[0]++; 1217 softc->flags |= CD_FLAG_ACTIVE; 1218 1219 /* Just in case this device is waiting */ 1220 wakeup(&softc->changer); 1221 xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); 1222 1223 /* 1224 * Get rid of any pending timeouts, and set a flag to schedule new 1225 * ones so this device gets its full time quantum. 1226 */ 1227 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1228 callout_stop(&changer->long_handle); 1229 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1230 } 1231 1232 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1233 callout_stop(&changer->short_handle); 1234 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1235 } 1236 1237 /* 1238 * We need to schedule timeouts, but we only do this after the 1239 * first transaction has completed. This eliminates the changer 1240 * switch time. 1241 */ 1242 changer->flags |= CHANGER_NEED_TIMEOUT; 1243 } 1244 1245 static void 1246 cdchangerschedule(struct cd_softc *softc) 1247 { 1248 struct cdchanger *changer; 1249 1250 changer = softc->changer; 1251 1252 /* 1253 * If this is a changer, and this is the current device, 1254 * and this device has at least the minimum time quantum to 1255 * run, see if we can switch it out. 1256 */ 1257 if ((softc->flags & CD_FLAG_ACTIVE) 1258 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1259 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1260 /* 1261 * We try three things here. The first is that we 1262 * check to see whether the schedule on completion 1263 * flag is set. If it is, we decrement the number 1264 * of buffers left, and if it's zero, we reschedule. 1265 * Next, we check to see whether the pending buffer 1266 * queue is empty and whether there are no 1267 * outstanding transactions. If so, we reschedule. 1268 * Next, we see if the pending buffer queue is empty. 1269 * If it is, we set the number of buffers left to 1270 * the current active buffer count and set the 1271 * schedule on complete flag. 1272 */ 1273 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1274 if (--softc->bufs_left == 0) { 1275 softc->changer->flags |= 1276 CHANGER_MANUAL_CALL; 1277 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1278 cdrunchangerqueue(softc->changer); 1279 } 1280 } else if ((bioq_first(&softc->bio_queue) == NULL) 1281 && (softc->outstanding_cmds == 0)) { 1282 softc->changer->flags |= CHANGER_MANUAL_CALL; 1283 cdrunchangerqueue(softc->changer); 1284 } 1285 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1286 && (softc->flags & CD_FLAG_ACTIVE)) { 1287 1288 /* 1289 * Now that the first transaction to this 1290 * particular device has completed, we can go ahead 1291 * and schedule our timeouts. 1292 */ 1293 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1294 callout_reset(&changer->long_handle, 1295 changer_max_busy_seconds * hz, 1296 cdrunchangerqueue, changer); 1297 changer->flags |= CHANGER_TIMEOUT_SCHED; 1298 } else 1299 printf("cdchangerschedule: already have a long" 1300 " timeout!\n"); 1301 1302 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1303 callout_reset(&changer->short_handle, 1304 changer_min_busy_seconds * hz, 1305 cdshorttimeout, changer); 1306 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1307 } else 1308 printf("cdchangerschedule: already have a short " 1309 "timeout!\n"); 1310 1311 /* 1312 * We just scheduled timeouts, no need to schedule 1313 * more. 1314 */ 1315 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1316 1317 } 1318 } 1319 1320 static int 1321 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1322 u_int32_t cam_flags, 1323 u_int32_t sense_flags), 1324 u_int32_t cam_flags, u_int32_t sense_flags) 1325 { 1326 struct cd_softc *softc; 1327 struct cam_periph *periph; 1328 int error; 1329 1330 periph = xpt_path_periph(ccb->ccb_h.path); 1331 softc = (struct cd_softc *)periph->softc; 1332 1333 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1334 softc->disk->d_devstat); 1335 1336 if (softc->flags & CD_FLAG_CHANGER) 1337 cdchangerschedule(softc); 1338 1339 return(error); 1340 } 1341 1342 static union ccb * 1343 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1344 { 1345 struct cd_softc *softc; 1346 1347 softc = (struct cd_softc *)periph->softc; 1348 1349 if (softc->flags & CD_FLAG_CHANGER) { 1350 /* 1351 * This should work the first time this device is woken up, 1352 * but just in case it doesn't, we use a while loop. 1353 */ 1354 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1355 /* 1356 * If this changer isn't already queued, queue it up. 1357 */ 1358 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1359 softc->pinfo.priority = CAM_PRIORITY_NORMAL; 1360 softc->pinfo.generation = 1361 ++softc->changer->devq.generation; 1362 camq_insert(&softc->changer->devq, 1363 (cam_pinfo *)softc); 1364 } 1365 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1366 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1367 && ((softc->changer->flags 1368 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1369 softc->changer->flags |= CHANGER_MANUAL_CALL; 1370 cdrunchangerqueue(softc->changer); 1371 } else 1372 msleep(&softc->changer, periph->sim->mtx, 1373 PRIBIO, "cgticb", 0); 1374 } 1375 } 1376 return(cam_periph_getccb(periph, priority)); 1377 } 1378 1379 1380 /* 1381 * Actually translate the requested transfer into one the physical driver 1382 * can understand. The transfer is described by a buf and will include 1383 * only one physical transfer. 1384 */ 1385 static void 1386 cdstrategy(struct bio *bp) 1387 { 1388 struct cam_periph *periph; 1389 struct cd_softc *softc; 1390 1391 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1392 if (periph == NULL) { 1393 biofinish(bp, NULL, ENXIO); 1394 return; 1395 } 1396 1397 cam_periph_lock(periph); 1398 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1399 1400 softc = (struct cd_softc *)periph->softc; 1401 1402 /* 1403 * If the device has been made invalid, error out 1404 */ 1405 if ((softc->flags & CD_FLAG_INVALID)) { 1406 cam_periph_unlock(periph); 1407 biofinish(bp, NULL, ENXIO); 1408 return; 1409 } 1410 1411 /* 1412 * If we don't have valid media, look for it before trying to 1413 * schedule the I/O. 1414 */ 1415 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1416 int error; 1417 1418 error = cdcheckmedia(periph); 1419 if (error != 0) { 1420 cam_periph_unlock(periph); 1421 biofinish(bp, NULL, error); 1422 return; 1423 } 1424 } 1425 1426 /* 1427 * Place it in the queue of disk activities for this disk 1428 */ 1429 bioq_disksort(&softc->bio_queue, bp); 1430 1431 /* 1432 * Schedule ourselves for performing the work. We do things 1433 * differently for changers. 1434 */ 1435 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1436 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1437 else 1438 cdschedule(periph, CAM_PRIORITY_NORMAL); 1439 1440 cam_periph_unlock(periph); 1441 return; 1442 } 1443 1444 static void 1445 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1446 { 1447 struct cd_softc *softc; 1448 struct bio *bp; 1449 struct ccb_scsiio *csio; 1450 struct scsi_read_capacity_data *rcap; 1451 1452 softc = (struct cd_softc *)periph->softc; 1453 1454 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1455 1456 switch (softc->state) { 1457 case CD_STATE_NORMAL: 1458 { 1459 bp = bioq_first(&softc->bio_queue); 1460 if (periph->immediate_priority <= periph->pinfo.priority) { 1461 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1462 1463 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1464 periph_links.sle); 1465 periph->immediate_priority = CAM_PRIORITY_NONE; 1466 wakeup(&periph->ccb_list); 1467 } else if (bp == NULL) { 1468 xpt_release_ccb(start_ccb); 1469 } else { 1470 bioq_remove(&softc->bio_queue, bp); 1471 1472 scsi_read_write(&start_ccb->csio, 1473 /*retries*/ cd_retry_count, 1474 /* cbfcnp */ cddone, 1475 MSG_SIMPLE_Q_TAG, 1476 /* read */bp->bio_cmd == BIO_READ, 1477 /* byte2 */ 0, 1478 /* minimum_cmd_size */ 10, 1479 /* lba */ bp->bio_offset / 1480 softc->params.blksize, 1481 bp->bio_bcount / softc->params.blksize, 1482 /* data_ptr */ bp->bio_data, 1483 /* dxfer_len */ bp->bio_bcount, 1484 /* sense_len */ SSD_FULL_SIZE, 1485 /* timeout */ 30000); 1486 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1487 1488 1489 LIST_INSERT_HEAD(&softc->pending_ccbs, 1490 &start_ccb->ccb_h, periph_links.le); 1491 softc->outstanding_cmds++; 1492 1493 /* We expect a unit attention from this device */ 1494 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1495 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1496 softc->flags &= ~CD_FLAG_RETRY_UA; 1497 } 1498 1499 start_ccb->ccb_h.ccb_bp = bp; 1500 bp = bioq_first(&softc->bio_queue); 1501 1502 xpt_action(start_ccb); 1503 } 1504 if (bp != NULL) { 1505 /* Have more work to do, so ensure we stay scheduled */ 1506 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1507 } 1508 break; 1509 } 1510 case CD_STATE_PROBE: 1511 { 1512 1513 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1514 M_SCSICD, M_NOWAIT | M_ZERO); 1515 if (rcap == NULL) { 1516 xpt_print(periph->path, 1517 "cdstart: Couldn't malloc read_capacity data\n"); 1518 /* cd_free_periph??? */ 1519 break; 1520 } 1521 csio = &start_ccb->csio; 1522 scsi_read_capacity(csio, 1523 /*retries*/ cd_retry_count, 1524 cddone, 1525 MSG_SIMPLE_Q_TAG, 1526 rcap, 1527 SSD_FULL_SIZE, 1528 /*timeout*/20000); 1529 start_ccb->ccb_h.ccb_bp = NULL; 1530 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1531 xpt_action(start_ccb); 1532 break; 1533 } 1534 } 1535 } 1536 1537 static void 1538 cddone(struct cam_periph *periph, union ccb *done_ccb) 1539 { 1540 struct cd_softc *softc; 1541 struct ccb_scsiio *csio; 1542 1543 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1544 1545 softc = (struct cd_softc *)periph->softc; 1546 csio = &done_ccb->csio; 1547 1548 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1549 case CD_CCB_BUFFER_IO: 1550 { 1551 struct bio *bp; 1552 int error; 1553 1554 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1555 error = 0; 1556 1557 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1558 int sf; 1559 1560 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1561 sf = SF_RETRY_UA; 1562 else 1563 sf = 0; 1564 1565 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1566 if (error == ERESTART) { 1567 /* 1568 * A retry was scheuled, so 1569 * just return. 1570 */ 1571 return; 1572 } 1573 } 1574 1575 if (error != 0) { 1576 xpt_print(periph->path, 1577 "cddone: got error %#x back\n", error); 1578 bioq_flush(&softc->bio_queue, NULL, EIO); 1579 bp->bio_resid = bp->bio_bcount; 1580 bp->bio_error = error; 1581 bp->bio_flags |= BIO_ERROR; 1582 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1583 cam_release_devq(done_ccb->ccb_h.path, 1584 /*relsim_flags*/0, 1585 /*reduction*/0, 1586 /*timeout*/0, 1587 /*getcount_only*/0); 1588 1589 } else { 1590 bp->bio_resid = csio->resid; 1591 bp->bio_error = 0; 1592 if (bp->bio_resid != 0) { 1593 /* 1594 * Short transfer ??? 1595 * XXX: not sure this is correct for partial 1596 * transfers at EOM 1597 */ 1598 bp->bio_flags |= BIO_ERROR; 1599 } 1600 } 1601 1602 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1603 softc->outstanding_cmds--; 1604 1605 if (softc->flags & CD_FLAG_CHANGER) 1606 cdchangerschedule(softc); 1607 1608 biofinish(bp, NULL, 0); 1609 break; 1610 } 1611 case CD_CCB_PROBE: 1612 { 1613 struct scsi_read_capacity_data *rdcap; 1614 char announce_buf[120]; /* 1615 * Currently (9/30/97) the 1616 * longest possible announce 1617 * buffer is 108 bytes, for the 1618 * first error case below. 1619 * That is 39 bytes for the 1620 * basic string, 16 bytes for the 1621 * biggest sense key (hardware 1622 * error), 52 bytes for the 1623 * text of the largest sense 1624 * qualifier valid for a CDROM, 1625 * (0x72, 0x03 or 0x04, 1626 * 0x03), and one byte for the 1627 * null terminating character. 1628 * To allow for longer strings, 1629 * the announce buffer is 120 1630 * bytes. 1631 */ 1632 struct cd_params *cdp; 1633 1634 cdp = &softc->params; 1635 1636 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1637 1638 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1639 cdp->blksize = scsi_4btoul (rdcap->length); 1640 1641 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1642 1643 snprintf(announce_buf, sizeof(announce_buf), 1644 "cd present [%lu x %lu byte records]", 1645 cdp->disksize, (u_long)cdp->blksize); 1646 1647 } else { 1648 int error; 1649 /* 1650 * Retry any UNIT ATTENTION type errors. They 1651 * are expected at boot. 1652 */ 1653 error = cderror(done_ccb, CAM_RETRY_SELTO, 1654 SF_RETRY_UA | SF_NO_PRINT); 1655 if (error == ERESTART) { 1656 /* 1657 * A retry was scheuled, so 1658 * just return. 1659 */ 1660 return; 1661 } else if (error != 0) { 1662 1663 struct scsi_sense_data *sense; 1664 int asc, ascq; 1665 int sense_key, error_code; 1666 int have_sense; 1667 cam_status status; 1668 struct ccb_getdev cgd; 1669 1670 /* Don't wedge this device's queue */ 1671 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1672 cam_release_devq(done_ccb->ccb_h.path, 1673 /*relsim_flags*/0, 1674 /*reduction*/0, 1675 /*timeout*/0, 1676 /*getcount_only*/0); 1677 1678 status = done_ccb->ccb_h.status; 1679 1680 xpt_setup_ccb(&cgd.ccb_h, 1681 done_ccb->ccb_h.path, 1682 CAM_PRIORITY_NORMAL); 1683 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1684 xpt_action((union ccb *)&cgd); 1685 1686 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1687 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1688 || ((status & CAM_AUTOSNS_VALID) == 0)) 1689 have_sense = FALSE; 1690 else 1691 have_sense = TRUE; 1692 1693 if (have_sense) { 1694 sense = &csio->sense_data; 1695 scsi_extract_sense_len(sense, 1696 csio->sense_len - csio->sense_resid, 1697 &error_code, &sense_key, &asc, 1698 &ascq, /*show_errors*/ 1); 1699 } 1700 /* 1701 * Attach to anything that claims to be a 1702 * CDROM or WORM device, as long as it 1703 * doesn't return a "Logical unit not 1704 * supported" (0x25) error. 1705 */ 1706 if ((have_sense) && (asc != 0x25) 1707 && (error_code == SSD_CURRENT_ERROR)) { 1708 const char *sense_key_desc; 1709 const char *asc_desc; 1710 1711 scsi_sense_desc(sense_key, asc, ascq, 1712 &cgd.inq_data, 1713 &sense_key_desc, 1714 &asc_desc); 1715 snprintf(announce_buf, 1716 sizeof(announce_buf), 1717 "Attempt to query device " 1718 "size failed: %s, %s", 1719 sense_key_desc, 1720 asc_desc); 1721 } else if ((have_sense == 0) 1722 && ((status & CAM_STATUS_MASK) == 1723 CAM_SCSI_STATUS_ERROR) 1724 && (csio->scsi_status == 1725 SCSI_STATUS_BUSY)) { 1726 snprintf(announce_buf, 1727 sizeof(announce_buf), 1728 "Attempt to query device " 1729 "size failed: SCSI Status: %s", 1730 scsi_status_string(csio)); 1731 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1732 /* 1733 * We only print out an error for 1734 * CDROM type devices. For WORM 1735 * devices, we don't print out an 1736 * error since a few WORM devices 1737 * don't support CDROM commands. 1738 * If we have sense information, go 1739 * ahead and print it out. 1740 * Otherwise, just say that we 1741 * couldn't attach. 1742 */ 1743 1744 /* 1745 * Just print out the error, not 1746 * the full probe message, when we 1747 * don't attach. 1748 */ 1749 if (have_sense) 1750 scsi_sense_print( 1751 &done_ccb->csio); 1752 else { 1753 xpt_print(periph->path, 1754 "got CAM status %#x\n", 1755 done_ccb->ccb_h.status); 1756 } 1757 xpt_print(periph->path, "fatal error, " 1758 "failed to attach to device\n"); 1759 /* 1760 * Invalidate this peripheral. 1761 */ 1762 cam_periph_invalidate(periph); 1763 1764 announce_buf[0] = '\0'; 1765 } else { 1766 1767 /* 1768 * Invalidate this peripheral. 1769 */ 1770 cam_periph_invalidate(periph); 1771 announce_buf[0] = '\0'; 1772 } 1773 } 1774 } 1775 free(rdcap, M_SCSICD); 1776 if (announce_buf[0] != '\0') { 1777 xpt_announce_periph(periph, announce_buf); 1778 if (softc->flags & CD_FLAG_CHANGER) 1779 cdchangerschedule(softc); 1780 /* 1781 * Create our sysctl variables, now that we know 1782 * we have successfully attached. 1783 */ 1784 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1785 } 1786 softc->state = CD_STATE_NORMAL; 1787 /* 1788 * Since our peripheral may be invalidated by an error 1789 * above or an external event, we must release our CCB 1790 * before releasing the probe lock on the peripheral. 1791 * The peripheral will only go away once the last lock 1792 * is removed, and we need it around for the CCB release 1793 * operation. 1794 */ 1795 xpt_release_ccb(done_ccb); 1796 cam_periph_unhold(periph); 1797 return; 1798 } 1799 case CD_CCB_WAITING: 1800 { 1801 /* Caller will release the CCB */ 1802 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1803 ("trying to wakeup ccbwait\n")); 1804 1805 wakeup(&done_ccb->ccb_h.cbfcnp); 1806 return; 1807 } 1808 default: 1809 break; 1810 } 1811 xpt_release_ccb(done_ccb); 1812 } 1813 1814 static union cd_pages * 1815 cdgetpage(struct cd_mode_params *mode_params) 1816 { 1817 union cd_pages *page; 1818 1819 if (mode_params->cdb_size == 10) 1820 page = (union cd_pages *)find_mode_page_10( 1821 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1822 else 1823 page = (union cd_pages *)find_mode_page_6( 1824 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1825 1826 return (page); 1827 } 1828 1829 static int 1830 cdgetpagesize(int page_num) 1831 { 1832 int i; 1833 1834 for (i = 0; i < (sizeof(cd_page_size_table)/ 1835 sizeof(cd_page_size_table[0])); i++) { 1836 if (cd_page_size_table[i].page == page_num) 1837 return (cd_page_size_table[i].page_size); 1838 } 1839 1840 return (-1); 1841 } 1842 1843 static int 1844 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1845 { 1846 1847 struct cam_periph *periph; 1848 struct cd_softc *softc; 1849 int nocopyout, error = 0; 1850 1851 periph = (struct cam_periph *)dp->d_drv1; 1852 if (periph == NULL) 1853 return(ENXIO); 1854 1855 cam_periph_lock(periph); 1856 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1857 1858 softc = (struct cd_softc *)periph->softc; 1859 1860 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1861 ("trying to do ioctl %#lx\n", cmd)); 1862 1863 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1864 cam_periph_unlock(periph); 1865 cam_periph_release(periph); 1866 return (error); 1867 } 1868 1869 /* 1870 * If we don't have media loaded, check for it. If still don't 1871 * have media loaded, we can only do a load or eject. 1872 * 1873 * We only care whether media is loaded if this is a cd-specific ioctl 1874 * (thus the IOCGROUP check below). Note that this will break if 1875 * anyone adds any ioctls into the switch statement below that don't 1876 * have their ioctl group set to 'c'. 1877 */ 1878 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1879 && ((cmd != CDIOCCLOSE) 1880 && (cmd != CDIOCEJECT)) 1881 && (IOCGROUP(cmd) == 'c')) { 1882 error = cdcheckmedia(periph); 1883 if (error != 0) { 1884 cam_periph_unhold(periph); 1885 cam_periph_unlock(periph); 1886 return (error); 1887 } 1888 } 1889 /* 1890 * Drop the lock here so later mallocs can use WAITOK. The periph 1891 * is essentially locked still with the cam_periph_hold call above. 1892 */ 1893 cam_periph_unlock(periph); 1894 1895 nocopyout = 0; 1896 switch (cmd) { 1897 1898 case CDIOCPLAYTRACKS: 1899 { 1900 struct ioc_play_track *args 1901 = (struct ioc_play_track *) addr; 1902 struct cd_mode_params params; 1903 union cd_pages *page; 1904 1905 params.alloc_len = sizeof(union cd_mode_data_6_10); 1906 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1907 M_WAITOK | M_ZERO); 1908 1909 cam_periph_lock(periph); 1910 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1911 ("trying to do CDIOCPLAYTRACKS\n")); 1912 1913 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1914 if (error) { 1915 free(params.mode_buf, M_SCSICD); 1916 cam_periph_unlock(periph); 1917 break; 1918 } 1919 page = cdgetpage(¶ms); 1920 1921 page->audio.flags &= ~CD_PA_SOTC; 1922 page->audio.flags |= CD_PA_IMMED; 1923 error = cdsetmode(periph, ¶ms); 1924 free(params.mode_buf, M_SCSICD); 1925 if (error) { 1926 cam_periph_unlock(periph); 1927 break; 1928 } 1929 1930 /* 1931 * This was originally implemented with the PLAY 1932 * AUDIO TRACK INDEX command, but that command was 1933 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1934 * drives support it but ATAPI and ATAPI-derivative 1935 * drives don't seem to support it. So we keep a 1936 * cache of the table of contents and translate 1937 * track numbers to MSF format. 1938 */ 1939 if (softc->flags & CD_FLAG_VALID_TOC) { 1940 union msf_lba *sentry, *eentry; 1941 int st, et; 1942 1943 if (args->end_track < 1944 softc->toc.header.ending_track + 1) 1945 args->end_track++; 1946 if (args->end_track > 1947 softc->toc.header.ending_track + 1) 1948 args->end_track = 1949 softc->toc.header.ending_track + 1; 1950 st = args->start_track - 1951 softc->toc.header.starting_track; 1952 et = args->end_track - 1953 softc->toc.header.starting_track; 1954 if ((st < 0) 1955 || (et < 0) 1956 || (st > (softc->toc.header.ending_track - 1957 softc->toc.header.starting_track))) { 1958 error = EINVAL; 1959 break; 1960 } 1961 sentry = &softc->toc.entries[st].addr; 1962 eentry = &softc->toc.entries[et].addr; 1963 error = cdplaymsf(periph, 1964 sentry->msf.minute, 1965 sentry->msf.second, 1966 sentry->msf.frame, 1967 eentry->msf.minute, 1968 eentry->msf.second, 1969 eentry->msf.frame); 1970 } else { 1971 /* 1972 * If we don't have a valid TOC, try the 1973 * play track index command. It is part of 1974 * the SCSI-2 spec, but was removed in the 1975 * MMC specs. ATAPI and ATAPI-derived 1976 * drives don't support it. 1977 */ 1978 if (softc->quirks & CD_Q_BCD_TRACKS) { 1979 args->start_track = 1980 bin2bcd(args->start_track); 1981 args->end_track = 1982 bin2bcd(args->end_track); 1983 } 1984 error = cdplaytracks(periph, 1985 args->start_track, 1986 args->start_index, 1987 args->end_track, 1988 args->end_index); 1989 } 1990 cam_periph_unlock(periph); 1991 } 1992 break; 1993 case CDIOCPLAYMSF: 1994 { 1995 struct ioc_play_msf *args 1996 = (struct ioc_play_msf *) addr; 1997 struct cd_mode_params params; 1998 union cd_pages *page; 1999 2000 params.alloc_len = sizeof(union cd_mode_data_6_10); 2001 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2002 M_WAITOK | M_ZERO); 2003 2004 cam_periph_lock(periph); 2005 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2006 ("trying to do CDIOCPLAYMSF\n")); 2007 2008 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2009 if (error) { 2010 free(params.mode_buf, M_SCSICD); 2011 cam_periph_unlock(periph); 2012 break; 2013 } 2014 page = cdgetpage(¶ms); 2015 2016 page->audio.flags &= ~CD_PA_SOTC; 2017 page->audio.flags |= CD_PA_IMMED; 2018 error = cdsetmode(periph, ¶ms); 2019 free(params.mode_buf, M_SCSICD); 2020 if (error) { 2021 cam_periph_unlock(periph); 2022 break; 2023 } 2024 error = cdplaymsf(periph, 2025 args->start_m, 2026 args->start_s, 2027 args->start_f, 2028 args->end_m, 2029 args->end_s, 2030 args->end_f); 2031 cam_periph_unlock(periph); 2032 } 2033 break; 2034 case CDIOCPLAYBLOCKS: 2035 { 2036 struct ioc_play_blocks *args 2037 = (struct ioc_play_blocks *) addr; 2038 struct cd_mode_params params; 2039 union cd_pages *page; 2040 2041 params.alloc_len = sizeof(union cd_mode_data_6_10); 2042 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2043 M_WAITOK | M_ZERO); 2044 2045 cam_periph_lock(periph); 2046 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2047 ("trying to do CDIOCPLAYBLOCKS\n")); 2048 2049 2050 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2051 if (error) { 2052 free(params.mode_buf, M_SCSICD); 2053 cam_periph_unlock(periph); 2054 break; 2055 } 2056 page = cdgetpage(¶ms); 2057 2058 page->audio.flags &= ~CD_PA_SOTC; 2059 page->audio.flags |= CD_PA_IMMED; 2060 error = cdsetmode(periph, ¶ms); 2061 free(params.mode_buf, M_SCSICD); 2062 if (error) { 2063 cam_periph_unlock(periph); 2064 break; 2065 } 2066 error = cdplay(periph, args->blk, args->len); 2067 cam_periph_unlock(periph); 2068 } 2069 break; 2070 case CDIOCREADSUBCHANNEL_SYSSPACE: 2071 nocopyout = 1; 2072 /* Fallthrough */ 2073 case CDIOCREADSUBCHANNEL: 2074 { 2075 struct ioc_read_subchannel *args 2076 = (struct ioc_read_subchannel *) addr; 2077 struct cd_sub_channel_info *data; 2078 u_int32_t len = args->data_len; 2079 2080 data = malloc(sizeof(struct cd_sub_channel_info), 2081 M_SCSICD, M_WAITOK | M_ZERO); 2082 2083 cam_periph_lock(periph); 2084 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2085 ("trying to do CDIOCREADSUBCHANNEL\n")); 2086 2087 if ((len > sizeof(struct cd_sub_channel_info)) || 2088 (len < sizeof(struct cd_sub_channel_header))) { 2089 printf( 2090 "scsi_cd: cdioctl: " 2091 "cdioreadsubchannel: error, len=%d\n", 2092 len); 2093 error = EINVAL; 2094 free(data, M_SCSICD); 2095 cam_periph_unlock(periph); 2096 break; 2097 } 2098 2099 if (softc->quirks & CD_Q_BCD_TRACKS) 2100 args->track = bin2bcd(args->track); 2101 2102 error = cdreadsubchannel(periph, args->address_format, 2103 args->data_format, args->track, data, len); 2104 2105 if (error) { 2106 free(data, M_SCSICD); 2107 cam_periph_unlock(periph); 2108 break; 2109 } 2110 if (softc->quirks & CD_Q_BCD_TRACKS) 2111 data->what.track_info.track_number = 2112 bcd2bin(data->what.track_info.track_number); 2113 len = min(len, ((data->header.data_len[0] << 8) + 2114 data->header.data_len[1] + 2115 sizeof(struct cd_sub_channel_header))); 2116 cam_periph_unlock(periph); 2117 if (nocopyout == 0) { 2118 if (copyout(data, args->data, len) != 0) { 2119 error = EFAULT; 2120 } 2121 } else { 2122 bcopy(data, args->data, len); 2123 } 2124 free(data, M_SCSICD); 2125 } 2126 break; 2127 2128 case CDIOREADTOCHEADER: 2129 { 2130 struct ioc_toc_header *th; 2131 2132 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2133 M_WAITOK | M_ZERO); 2134 2135 cam_periph_lock(periph); 2136 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2137 ("trying to do CDIOREADTOCHEADER\n")); 2138 2139 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2140 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 2141 if (error) { 2142 free(th, M_SCSICD); 2143 cam_periph_unlock(periph); 2144 break; 2145 } 2146 if (softc->quirks & CD_Q_BCD_TRACKS) { 2147 /* we are going to have to convert the BCD 2148 * encoding on the cd to what is expected 2149 */ 2150 th->starting_track = 2151 bcd2bin(th->starting_track); 2152 th->ending_track = bcd2bin(th->ending_track); 2153 } 2154 th->len = ntohs(th->len); 2155 bcopy(th, addr, sizeof(*th)); 2156 free(th, M_SCSICD); 2157 cam_periph_unlock(periph); 2158 } 2159 break; 2160 case CDIOREADTOCENTRYS: 2161 { 2162 struct cd_tocdata *data; 2163 struct cd_toc_single *lead; 2164 struct ioc_read_toc_entry *te = 2165 (struct ioc_read_toc_entry *) addr; 2166 struct ioc_toc_header *th; 2167 u_int32_t len, readlen, idx, num; 2168 u_int32_t starting_track = te->starting_track; 2169 2170 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2171 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 2172 2173 cam_periph_lock(periph); 2174 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2175 ("trying to do CDIOREADTOCENTRYS\n")); 2176 2177 if (te->data_len < sizeof(struct cd_toc_entry) 2178 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2179 || (te->address_format != CD_MSF_FORMAT 2180 && te->address_format != CD_LBA_FORMAT)) { 2181 error = EINVAL; 2182 printf("scsi_cd: error in readtocentries, " 2183 "returning EINVAL\n"); 2184 free(data, M_SCSICD); 2185 free(lead, M_SCSICD); 2186 cam_periph_unlock(periph); 2187 break; 2188 } 2189 2190 th = &data->header; 2191 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2192 sizeof (*th), /*sense_flags*/0); 2193 if (error) { 2194 free(data, M_SCSICD); 2195 free(lead, M_SCSICD); 2196 cam_periph_unlock(periph); 2197 break; 2198 } 2199 2200 if (softc->quirks & CD_Q_BCD_TRACKS) { 2201 /* we are going to have to convert the BCD 2202 * encoding on the cd to what is expected 2203 */ 2204 th->starting_track = 2205 bcd2bin(th->starting_track); 2206 th->ending_track = bcd2bin(th->ending_track); 2207 } 2208 2209 if (starting_track == 0) 2210 starting_track = th->starting_track; 2211 else if (starting_track == LEADOUT) 2212 starting_track = th->ending_track + 1; 2213 else if (starting_track < th->starting_track || 2214 starting_track > th->ending_track + 1) { 2215 printf("scsi_cd: error in readtocentries, " 2216 "returning EINVAL\n"); 2217 free(data, M_SCSICD); 2218 free(lead, M_SCSICD); 2219 cam_periph_unlock(periph); 2220 error = EINVAL; 2221 break; 2222 } 2223 2224 /* calculate reading length without leadout entry */ 2225 readlen = (th->ending_track - starting_track + 1) * 2226 sizeof(struct cd_toc_entry); 2227 2228 /* and with leadout entry */ 2229 len = readlen + sizeof(struct cd_toc_entry); 2230 if (te->data_len < len) { 2231 len = te->data_len; 2232 if (readlen > len) 2233 readlen = len; 2234 } 2235 if (len > sizeof(data->entries)) { 2236 printf("scsi_cd: error in readtocentries, " 2237 "returning EINVAL\n"); 2238 error = EINVAL; 2239 free(data, M_SCSICD); 2240 free(lead, M_SCSICD); 2241 cam_periph_unlock(periph); 2242 break; 2243 } 2244 num = len / sizeof(struct cd_toc_entry); 2245 2246 if (readlen > 0) { 2247 error = cdreadtoc(periph, te->address_format, 2248 starting_track, 2249 (u_int8_t *)data, 2250 readlen + sizeof (*th), 2251 /*sense_flags*/0); 2252 if (error) { 2253 free(data, M_SCSICD); 2254 free(lead, M_SCSICD); 2255 cam_periph_unlock(periph); 2256 break; 2257 } 2258 } 2259 2260 /* make leadout entry if needed */ 2261 idx = starting_track + num - 1; 2262 if (softc->quirks & CD_Q_BCD_TRACKS) 2263 th->ending_track = bcd2bin(th->ending_track); 2264 if (idx == th->ending_track + 1) { 2265 error = cdreadtoc(periph, te->address_format, 2266 LEADOUT, (u_int8_t *)lead, 2267 sizeof(*lead), 2268 /*sense_flags*/0); 2269 if (error) { 2270 free(data, M_SCSICD); 2271 free(lead, M_SCSICD); 2272 cam_periph_unlock(periph); 2273 break; 2274 } 2275 data->entries[idx - starting_track] = 2276 lead->entry; 2277 } 2278 if (softc->quirks & CD_Q_BCD_TRACKS) { 2279 for (idx = 0; idx < num - 1; idx++) { 2280 data->entries[idx].track = 2281 bcd2bin(data->entries[idx].track); 2282 } 2283 } 2284 2285 cam_periph_unlock(periph); 2286 error = copyout(data->entries, te->data, len); 2287 free(data, M_SCSICD); 2288 free(lead, M_SCSICD); 2289 } 2290 break; 2291 case CDIOREADTOCENTRY: 2292 { 2293 struct cd_toc_single *data; 2294 struct ioc_read_toc_single_entry *te = 2295 (struct ioc_read_toc_single_entry *) addr; 2296 struct ioc_toc_header *th; 2297 u_int32_t track; 2298 2299 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 2300 2301 cam_periph_lock(periph); 2302 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2303 ("trying to do CDIOREADTOCENTRY\n")); 2304 2305 if (te->address_format != CD_MSF_FORMAT 2306 && te->address_format != CD_LBA_FORMAT) { 2307 printf("error in readtocentry, " 2308 " returning EINVAL\n"); 2309 free(data, M_SCSICD); 2310 error = EINVAL; 2311 cam_periph_unlock(periph); 2312 break; 2313 } 2314 2315 th = &data->header; 2316 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2317 sizeof (*th), /*sense_flags*/0); 2318 if (error) { 2319 free(data, M_SCSICD); 2320 cam_periph_unlock(periph); 2321 break; 2322 } 2323 2324 if (softc->quirks & CD_Q_BCD_TRACKS) { 2325 /* we are going to have to convert the BCD 2326 * encoding on the cd to what is expected 2327 */ 2328 th->starting_track = 2329 bcd2bin(th->starting_track); 2330 th->ending_track = bcd2bin(th->ending_track); 2331 } 2332 track = te->track; 2333 if (track == 0) 2334 track = th->starting_track; 2335 else if (track == LEADOUT) 2336 /* OK */; 2337 else if (track < th->starting_track || 2338 track > th->ending_track + 1) { 2339 printf("error in readtocentry, " 2340 " returning EINVAL\n"); 2341 free(data, M_SCSICD); 2342 error = EINVAL; 2343 cam_periph_unlock(periph); 2344 break; 2345 } 2346 2347 error = cdreadtoc(periph, te->address_format, track, 2348 (u_int8_t *)data, sizeof(*data), 2349 /*sense_flags*/0); 2350 if (error) { 2351 free(data, M_SCSICD); 2352 cam_periph_unlock(periph); 2353 break; 2354 } 2355 2356 if (softc->quirks & CD_Q_BCD_TRACKS) 2357 data->entry.track = bcd2bin(data->entry.track); 2358 bcopy(&data->entry, &te->entry, 2359 sizeof(struct cd_toc_entry)); 2360 free(data, M_SCSICD); 2361 cam_periph_unlock(periph); 2362 } 2363 break; 2364 case CDIOCSETPATCH: 2365 { 2366 struct ioc_patch *arg = (struct ioc_patch *)addr; 2367 struct cd_mode_params params; 2368 union cd_pages *page; 2369 2370 params.alloc_len = sizeof(union cd_mode_data_6_10); 2371 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2372 M_WAITOK | M_ZERO); 2373 2374 cam_periph_lock(periph); 2375 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2376 ("trying to do CDIOCSETPATCH\n")); 2377 2378 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2379 if (error) { 2380 free(params.mode_buf, M_SCSICD); 2381 cam_periph_unlock(periph); 2382 break; 2383 } 2384 page = cdgetpage(¶ms); 2385 2386 page->audio.port[LEFT_PORT].channels = 2387 arg->patch[0]; 2388 page->audio.port[RIGHT_PORT].channels = 2389 arg->patch[1]; 2390 page->audio.port[2].channels = arg->patch[2]; 2391 page->audio.port[3].channels = arg->patch[3]; 2392 error = cdsetmode(periph, ¶ms); 2393 free(params.mode_buf, M_SCSICD); 2394 cam_periph_unlock(periph); 2395 } 2396 break; 2397 case CDIOCGETVOL: 2398 { 2399 struct ioc_vol *arg = (struct ioc_vol *) addr; 2400 struct cd_mode_params params; 2401 union cd_pages *page; 2402 2403 params.alloc_len = sizeof(union cd_mode_data_6_10); 2404 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2405 M_WAITOK | M_ZERO); 2406 2407 cam_periph_lock(periph); 2408 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2409 ("trying to do CDIOCGETVOL\n")); 2410 2411 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2412 if (error) { 2413 free(params.mode_buf, M_SCSICD); 2414 cam_periph_unlock(periph); 2415 break; 2416 } 2417 page = cdgetpage(¶ms); 2418 2419 arg->vol[LEFT_PORT] = 2420 page->audio.port[LEFT_PORT].volume; 2421 arg->vol[RIGHT_PORT] = 2422 page->audio.port[RIGHT_PORT].volume; 2423 arg->vol[2] = page->audio.port[2].volume; 2424 arg->vol[3] = page->audio.port[3].volume; 2425 free(params.mode_buf, M_SCSICD); 2426 cam_periph_unlock(periph); 2427 } 2428 break; 2429 case CDIOCSETVOL: 2430 { 2431 struct ioc_vol *arg = (struct ioc_vol *) addr; 2432 struct cd_mode_params params; 2433 union cd_pages *page; 2434 2435 params.alloc_len = sizeof(union cd_mode_data_6_10); 2436 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2437 M_WAITOK | M_ZERO); 2438 2439 cam_periph_lock(periph); 2440 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2441 ("trying to do CDIOCSETVOL\n")); 2442 2443 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2444 if (error) { 2445 free(params.mode_buf, M_SCSICD); 2446 cam_periph_unlock(periph); 2447 break; 2448 } 2449 page = cdgetpage(¶ms); 2450 2451 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2452 page->audio.port[LEFT_PORT].volume = 2453 arg->vol[LEFT_PORT]; 2454 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2455 page->audio.port[RIGHT_PORT].volume = 2456 arg->vol[RIGHT_PORT]; 2457 page->audio.port[2].volume = arg->vol[2]; 2458 page->audio.port[3].volume = arg->vol[3]; 2459 error = cdsetmode(periph, ¶ms); 2460 cam_periph_unlock(periph); 2461 free(params.mode_buf, M_SCSICD); 2462 } 2463 break; 2464 case CDIOCSETMONO: 2465 { 2466 struct cd_mode_params params; 2467 union cd_pages *page; 2468 2469 params.alloc_len = sizeof(union cd_mode_data_6_10); 2470 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2471 M_WAITOK | M_ZERO); 2472 2473 cam_periph_lock(periph); 2474 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2475 ("trying to do CDIOCSETMONO\n")); 2476 2477 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2478 if (error) { 2479 free(params.mode_buf, M_SCSICD); 2480 cam_periph_unlock(periph); 2481 break; 2482 } 2483 page = cdgetpage(¶ms); 2484 2485 page->audio.port[LEFT_PORT].channels = 2486 LEFT_CHANNEL | RIGHT_CHANNEL; 2487 page->audio.port[RIGHT_PORT].channels = 2488 LEFT_CHANNEL | RIGHT_CHANNEL; 2489 page->audio.port[2].channels = 0; 2490 page->audio.port[3].channels = 0; 2491 error = cdsetmode(periph, ¶ms); 2492 cam_periph_unlock(periph); 2493 free(params.mode_buf, M_SCSICD); 2494 } 2495 break; 2496 case CDIOCSETSTEREO: 2497 { 2498 struct cd_mode_params params; 2499 union cd_pages *page; 2500 2501 params.alloc_len = sizeof(union cd_mode_data_6_10); 2502 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2503 M_WAITOK | M_ZERO); 2504 2505 cam_periph_lock(periph); 2506 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2507 ("trying to do CDIOCSETSTEREO\n")); 2508 2509 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2510 if (error) { 2511 free(params.mode_buf, M_SCSICD); 2512 cam_periph_unlock(periph); 2513 break; 2514 } 2515 page = cdgetpage(¶ms); 2516 2517 page->audio.port[LEFT_PORT].channels = 2518 LEFT_CHANNEL; 2519 page->audio.port[RIGHT_PORT].channels = 2520 RIGHT_CHANNEL; 2521 page->audio.port[2].channels = 0; 2522 page->audio.port[3].channels = 0; 2523 error = cdsetmode(periph, ¶ms); 2524 free(params.mode_buf, M_SCSICD); 2525 cam_periph_unlock(periph); 2526 } 2527 break; 2528 case CDIOCSETMUTE: 2529 { 2530 struct cd_mode_params params; 2531 union cd_pages *page; 2532 2533 params.alloc_len = sizeof(union cd_mode_data_6_10); 2534 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2535 M_WAITOK | M_ZERO); 2536 2537 cam_periph_lock(periph); 2538 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2539 ("trying to do CDIOCSETMUTE\n")); 2540 2541 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2542 if (error) { 2543 free(params.mode_buf, M_SCSICD); 2544 cam_periph_unlock(periph); 2545 break; 2546 } 2547 page = cdgetpage(¶ms); 2548 2549 page->audio.port[LEFT_PORT].channels = 0; 2550 page->audio.port[RIGHT_PORT].channels = 0; 2551 page->audio.port[2].channels = 0; 2552 page->audio.port[3].channels = 0; 2553 error = cdsetmode(periph, ¶ms); 2554 free(params.mode_buf, M_SCSICD); 2555 cam_periph_unlock(periph); 2556 } 2557 break; 2558 case CDIOCSETLEFT: 2559 { 2560 struct cd_mode_params params; 2561 union cd_pages *page; 2562 2563 params.alloc_len = sizeof(union cd_mode_data_6_10); 2564 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2565 M_WAITOK | M_ZERO); 2566 2567 cam_periph_lock(periph); 2568 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2569 ("trying to do CDIOCSETLEFT\n")); 2570 2571 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2572 if (error) { 2573 free(params.mode_buf, M_SCSICD); 2574 cam_periph_unlock(periph); 2575 break; 2576 } 2577 page = cdgetpage(¶ms); 2578 2579 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2580 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2581 page->audio.port[2].channels = 0; 2582 page->audio.port[3].channels = 0; 2583 error = cdsetmode(periph, ¶ms); 2584 free(params.mode_buf, M_SCSICD); 2585 cam_periph_unlock(periph); 2586 } 2587 break; 2588 case CDIOCSETRIGHT: 2589 { 2590 struct cd_mode_params params; 2591 union cd_pages *page; 2592 2593 params.alloc_len = sizeof(union cd_mode_data_6_10); 2594 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2595 M_WAITOK | M_ZERO); 2596 2597 cam_periph_lock(periph); 2598 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2599 ("trying to do CDIOCSETRIGHT\n")); 2600 2601 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2602 if (error) { 2603 free(params.mode_buf, M_SCSICD); 2604 cam_periph_unlock(periph); 2605 break; 2606 } 2607 page = cdgetpage(¶ms); 2608 2609 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2610 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2611 page->audio.port[2].channels = 0; 2612 page->audio.port[3].channels = 0; 2613 error = cdsetmode(periph, ¶ms); 2614 free(params.mode_buf, M_SCSICD); 2615 cam_periph_unlock(periph); 2616 } 2617 break; 2618 case CDIOCRESUME: 2619 cam_periph_lock(periph); 2620 error = cdpause(periph, 1); 2621 cam_periph_unlock(periph); 2622 break; 2623 case CDIOCPAUSE: 2624 cam_periph_lock(periph); 2625 error = cdpause(periph, 0); 2626 cam_periph_unlock(periph); 2627 break; 2628 case CDIOCSTART: 2629 cam_periph_lock(periph); 2630 error = cdstartunit(periph, 0); 2631 cam_periph_unlock(periph); 2632 break; 2633 case CDIOCCLOSE: 2634 cam_periph_lock(periph); 2635 error = cdstartunit(periph, 1); 2636 cam_periph_unlock(periph); 2637 break; 2638 case CDIOCSTOP: 2639 cam_periph_lock(periph); 2640 error = cdstopunit(periph, 0); 2641 cam_periph_unlock(periph); 2642 break; 2643 case CDIOCEJECT: 2644 cam_periph_lock(periph); 2645 error = cdstopunit(periph, 1); 2646 cam_periph_unlock(periph); 2647 break; 2648 case CDIOCALLOW: 2649 cam_periph_lock(periph); 2650 cdprevent(periph, PR_ALLOW); 2651 cam_periph_unlock(periph); 2652 break; 2653 case CDIOCPREVENT: 2654 cam_periph_lock(periph); 2655 cdprevent(periph, PR_PREVENT); 2656 cam_periph_unlock(periph); 2657 break; 2658 case CDIOCSETDEBUG: 2659 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2660 error = ENOTTY; 2661 break; 2662 case CDIOCCLRDEBUG: 2663 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2664 error = ENOTTY; 2665 break; 2666 case CDIOCRESET: 2667 /* return (cd_reset(periph)); */ 2668 error = ENOTTY; 2669 break; 2670 case CDRIOCREADSPEED: 2671 cam_periph_lock(periph); 2672 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2673 cam_periph_unlock(periph); 2674 break; 2675 case CDRIOCWRITESPEED: 2676 cam_periph_lock(periph); 2677 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2678 cam_periph_unlock(periph); 2679 break; 2680 case DVDIOCSENDKEY: 2681 case DVDIOCREPORTKEY: { 2682 struct dvd_authinfo *authinfo; 2683 2684 authinfo = (struct dvd_authinfo *)addr; 2685 2686 if (cmd == DVDIOCREPORTKEY) 2687 error = cdreportkey(periph, authinfo); 2688 else 2689 error = cdsendkey(periph, authinfo); 2690 break; 2691 } 2692 case DVDIOCREADSTRUCTURE: { 2693 struct dvd_struct *dvdstruct; 2694 2695 dvdstruct = (struct dvd_struct *)addr; 2696 2697 error = cdreaddvdstructure(periph, dvdstruct); 2698 2699 break; 2700 } 2701 default: 2702 cam_periph_lock(periph); 2703 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2704 cam_periph_unlock(periph); 2705 break; 2706 } 2707 2708 cam_periph_lock(periph); 2709 cam_periph_unhold(periph); 2710 2711 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2712 if (error && bootverbose) { 2713 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2714 } 2715 cam_periph_unlock(periph); 2716 2717 return (error); 2718 } 2719 2720 static void 2721 cdprevent(struct cam_periph *periph, int action) 2722 { 2723 union ccb *ccb; 2724 struct cd_softc *softc; 2725 int error; 2726 2727 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2728 2729 softc = (struct cd_softc *)periph->softc; 2730 2731 if (((action == PR_ALLOW) 2732 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2733 || ((action == PR_PREVENT) 2734 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2735 return; 2736 } 2737 2738 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2739 2740 scsi_prevent(&ccb->csio, 2741 /*retries*/ cd_retry_count, 2742 cddone, 2743 MSG_SIMPLE_Q_TAG, 2744 action, 2745 SSD_FULL_SIZE, 2746 /* timeout */60000); 2747 2748 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2749 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2750 2751 xpt_release_ccb(ccb); 2752 2753 if (error == 0) { 2754 if (action == PR_ALLOW) 2755 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2756 else 2757 softc->flags |= CD_FLAG_DISC_LOCKED; 2758 } 2759 } 2760 2761 /* 2762 * XXX: the disk media and sector size is only really able to change 2763 * XXX: while the device is closed. 2764 */ 2765 static int 2766 cdcheckmedia(struct cam_periph *periph) 2767 { 2768 struct cd_softc *softc; 2769 struct ioc_toc_header *toch; 2770 struct cd_toc_single leadout; 2771 u_int32_t size, toclen; 2772 int error, num_entries, cdindex; 2773 2774 softc = (struct cd_softc *)periph->softc; 2775 2776 cdprevent(periph, PR_PREVENT); 2777 softc->disk->d_sectorsize = 2048; 2778 softc->disk->d_mediasize = 0; 2779 2780 /* 2781 * Get the disc size and block size. If we can't get it, we don't 2782 * have media, most likely. 2783 */ 2784 if ((error = cdsize(periph, &size)) != 0) { 2785 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2786 cdprevent(periph, PR_ALLOW); 2787 return (error); 2788 } else { 2789 softc->flags |= CD_FLAG_VALID_MEDIA; 2790 softc->disk->d_sectorsize = softc->params.blksize; 2791 softc->disk->d_mediasize = 2792 (off_t)softc->params.blksize * softc->params.disksize; 2793 } 2794 2795 /* 2796 * Now we check the table of contents. This (currently) is only 2797 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2798 * things like present a separate entry in /dev for each track, 2799 * like that acd(4) driver does. 2800 */ 2801 bzero(&softc->toc, sizeof(softc->toc)); 2802 toch = &softc->toc.header; 2803 /* 2804 * We will get errors here for media that doesn't have a table of 2805 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2806 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2807 * has not been recorded (no complete session) and the Format codes 2808 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2809 * with an INVALID FIELD IN CDB. Devices that are not capable of 2810 * reading an incomplete session on DDC/CD-R/RW media shall report 2811 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2812 * 2813 * So this isn't fatal if we can't read the table of contents, it 2814 * just means that the user won't be able to issue the play tracks 2815 * ioctl, and likely lots of other stuff won't work either. They 2816 * need to burn the CD before we can do a whole lot with it. So 2817 * we don't print anything here if we get an error back. 2818 */ 2819 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2820 SF_NO_PRINT); 2821 /* 2822 * Errors in reading the table of contents aren't fatal, we just 2823 * won't have a valid table of contents cached. 2824 */ 2825 if (error != 0) { 2826 error = 0; 2827 bzero(&softc->toc, sizeof(softc->toc)); 2828 goto bailout; 2829 } 2830 2831 if (softc->quirks & CD_Q_BCD_TRACKS) { 2832 toch->starting_track = bcd2bin(toch->starting_track); 2833 toch->ending_track = bcd2bin(toch->ending_track); 2834 } 2835 2836 /* Number of TOC entries, plus leadout */ 2837 num_entries = (toch->ending_track - toch->starting_track) + 2; 2838 2839 if (num_entries <= 0) 2840 goto bailout; 2841 2842 toclen = num_entries * sizeof(struct cd_toc_entry); 2843 2844 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2845 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2846 SF_NO_PRINT); 2847 if (error != 0) { 2848 error = 0; 2849 bzero(&softc->toc, sizeof(softc->toc)); 2850 goto bailout; 2851 } 2852 2853 if (softc->quirks & CD_Q_BCD_TRACKS) { 2854 toch->starting_track = bcd2bin(toch->starting_track); 2855 toch->ending_track = bcd2bin(toch->ending_track); 2856 } 2857 /* 2858 * XXX KDM is this necessary? Probably only if the drive doesn't 2859 * return leadout information with the table of contents. 2860 */ 2861 cdindex = toch->starting_track + num_entries -1; 2862 if (cdindex == toch->ending_track + 1) { 2863 2864 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2865 (u_int8_t *)&leadout, sizeof(leadout), 2866 SF_NO_PRINT); 2867 if (error != 0) { 2868 error = 0; 2869 goto bailout; 2870 } 2871 softc->toc.entries[cdindex - toch->starting_track] = 2872 leadout.entry; 2873 } 2874 if (softc->quirks & CD_Q_BCD_TRACKS) { 2875 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2876 softc->toc.entries[cdindex].track = 2877 bcd2bin(softc->toc.entries[cdindex].track); 2878 } 2879 } 2880 2881 softc->flags |= CD_FLAG_VALID_TOC; 2882 2883 bailout: 2884 2885 /* 2886 * We unconditionally (re)set the blocksize each time the 2887 * CD device is opened. This is because the CD can change, 2888 * and therefore the blocksize might change. 2889 * XXX problems here if some slice or partition is still 2890 * open with the old size? 2891 */ 2892 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2893 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2894 softc->disk->d_devstat->block_size = softc->params.blksize; 2895 2896 return (error); 2897 } 2898 2899 static int 2900 cdsize(struct cam_periph *periph, u_int32_t *size) 2901 { 2902 struct cd_softc *softc; 2903 union ccb *ccb; 2904 struct scsi_read_capacity_data *rcap_buf; 2905 int error; 2906 2907 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2908 2909 softc = (struct cd_softc *)periph->softc; 2910 2911 ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); 2912 2913 /* XXX Should be M_WAITOK */ 2914 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2915 M_SCSICD, M_NOWAIT | M_ZERO); 2916 if (rcap_buf == NULL) 2917 return (ENOMEM); 2918 2919 scsi_read_capacity(&ccb->csio, 2920 /*retries*/ cd_retry_count, 2921 cddone, 2922 MSG_SIMPLE_Q_TAG, 2923 rcap_buf, 2924 SSD_FULL_SIZE, 2925 /* timeout */20000); 2926 2927 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2928 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2929 2930 xpt_release_ccb(ccb); 2931 2932 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2933 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2934 /* Make sure we got at least some block size. */ 2935 if (error == 0 && softc->params.blksize == 0) 2936 error = EIO; 2937 /* 2938 * SCSI-3 mandates that the reported blocksize shall be 2048. 2939 * Older drives sometimes report funny values, trim it down to 2940 * 2048, or other parts of the kernel will get confused. 2941 * 2942 * XXX we leave drives alone that might report 512 bytes, as 2943 * well as drives reporting more weird sizes like perhaps 4K. 2944 */ 2945 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2946 softc->params.blksize = 2048; 2947 2948 free(rcap_buf, M_SCSICD); 2949 *size = softc->params.disksize; 2950 2951 return (error); 2952 2953 } 2954 2955 static int 2956 cd6byteworkaround(union ccb *ccb) 2957 { 2958 u_int8_t *cdb; 2959 struct cam_periph *periph; 2960 struct cd_softc *softc; 2961 struct cd_mode_params *params; 2962 int frozen, found; 2963 2964 periph = xpt_path_periph(ccb->ccb_h.path); 2965 softc = (struct cd_softc *)periph->softc; 2966 2967 cdb = ccb->csio.cdb_io.cdb_bytes; 2968 2969 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2970 || ((cdb[0] != MODE_SENSE_6) 2971 && (cdb[0] != MODE_SELECT_6))) 2972 return (0); 2973 2974 /* 2975 * Because there is no convenient place to stash the overall 2976 * cd_mode_params structure pointer, we have to grab it like this. 2977 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2978 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2979 * 2980 * XXX It would be nice if, at some point, we could increase the 2981 * number of available peripheral private pointers. Both pointers 2982 * are currently used in most every peripheral driver. 2983 */ 2984 found = 0; 2985 2986 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2987 if (params->mode_buf == ccb->csio.data_ptr) { 2988 found = 1; 2989 break; 2990 } 2991 } 2992 2993 /* 2994 * This shouldn't happen. All mode sense and mode select 2995 * operations in the cd(4) driver MUST go through cdgetmode() and 2996 * cdsetmode()! 2997 */ 2998 if (found == 0) { 2999 xpt_print(periph->path, 3000 "mode buffer not found in mode queue!\n"); 3001 return (0); 3002 } 3003 3004 params->cdb_size = 10; 3005 softc->minimum_command_size = 10; 3006 xpt_print(ccb->ccb_h.path, 3007 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3008 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3009 3010 if (cdb[0] == MODE_SENSE_6) { 3011 struct scsi_mode_sense_10 ms10; 3012 struct scsi_mode_sense_6 *ms6; 3013 int len; 3014 3015 ms6 = (struct scsi_mode_sense_6 *)cdb; 3016 3017 bzero(&ms10, sizeof(ms10)); 3018 ms10.opcode = MODE_SENSE_10; 3019 ms10.byte2 = ms6->byte2; 3020 ms10.page = ms6->page; 3021 3022 /* 3023 * 10 byte mode header, block descriptor, 3024 * sizeof(union cd_pages) 3025 */ 3026 len = sizeof(struct cd_mode_data_10); 3027 ccb->csio.dxfer_len = len; 3028 3029 scsi_ulto2b(len, ms10.length); 3030 ms10.control = ms6->control; 3031 bcopy(&ms10, cdb, 10); 3032 ccb->csio.cdb_len = 10; 3033 } else { 3034 struct scsi_mode_select_10 ms10; 3035 struct scsi_mode_select_6 *ms6; 3036 struct scsi_mode_header_6 *header6; 3037 struct scsi_mode_header_10 *header10; 3038 struct scsi_mode_page_header *page_header; 3039 int blk_desc_len, page_num, page_size, len; 3040 3041 ms6 = (struct scsi_mode_select_6 *)cdb; 3042 3043 bzero(&ms10, sizeof(ms10)); 3044 ms10.opcode = MODE_SELECT_10; 3045 ms10.byte2 = ms6->byte2; 3046 3047 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3048 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3049 3050 page_header = find_mode_page_6(header6); 3051 page_num = page_header->page_code; 3052 3053 blk_desc_len = header6->blk_desc_len; 3054 3055 page_size = cdgetpagesize(page_num); 3056 3057 if (page_size != (page_header->page_length + 3058 sizeof(*page_header))) 3059 page_size = page_header->page_length + 3060 sizeof(*page_header); 3061 3062 len = sizeof(*header10) + blk_desc_len + page_size; 3063 3064 len = min(params->alloc_len, len); 3065 3066 /* 3067 * Since the 6 byte parameter header is shorter than the 10 3068 * byte parameter header, we need to copy the actual mode 3069 * page data, and the block descriptor, if any, so things wind 3070 * up in the right place. The regions will overlap, but 3071 * bcopy() does the right thing. 3072 */ 3073 bcopy(params->mode_buf + sizeof(*header6), 3074 params->mode_buf + sizeof(*header10), 3075 len - sizeof(*header10)); 3076 3077 /* Make sure these fields are set correctly. */ 3078 scsi_ulto2b(0, header10->data_length); 3079 header10->medium_type = 0; 3080 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3081 3082 ccb->csio.dxfer_len = len; 3083 3084 scsi_ulto2b(len, ms10.length); 3085 ms10.control = ms6->control; 3086 bcopy(&ms10, cdb, 10); 3087 ccb->csio.cdb_len = 10; 3088 } 3089 3090 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3091 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3092 xpt_action(ccb); 3093 if (frozen) { 3094 cam_release_devq(ccb->ccb_h.path, 3095 /*relsim_flags*/0, 3096 /*openings*/0, 3097 /*timeout*/0, 3098 /*getcount_only*/0); 3099 } 3100 3101 return (ERESTART); 3102 } 3103 3104 static int 3105 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3106 { 3107 struct cd_softc *softc; 3108 struct cam_periph *periph; 3109 int error; 3110 3111 periph = xpt_path_periph(ccb->ccb_h.path); 3112 softc = (struct cd_softc *)periph->softc; 3113 3114 error = 0; 3115 3116 /* 3117 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3118 * CDB comes back with this particular error, try transforming it 3119 * into the 10 byte version. 3120 */ 3121 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3122 error = cd6byteworkaround(ccb); 3123 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3124 CAM_SCSI_STATUS_ERROR) 3125 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3126 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3127 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3128 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3129 int sense_key, error_code, asc, ascq; 3130 3131 scsi_extract_sense_len(&ccb->csio.sense_data, 3132 ccb->csio.sense_len - ccb->csio.sense_resid, &error_code, 3133 &sense_key, &asc, &ascq, /*show_errors*/ 1); 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