1 /*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 50 51 #include "opt_cd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/bio.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <geom/geom_disk.h> 67 68 #include <cam/cam.h> 69 #include <cam/cam_ccb.h> 70 #include <cam/cam_periph.h> 71 #include <cam/cam_xpt_periph.h> 72 #include <cam/cam_queue.h> 73 #include <cam/cam_sim.h> 74 75 #include <cam/scsi/scsi_message.h> 76 #include <cam/scsi/scsi_da.h> 77 #include <cam/scsi/scsi_cd.h> 78 79 #define LEADOUT 0xaa /* leadout toc entry */ 80 81 struct cd_params { 82 u_int32_t blksize; 83 u_long disksize; 84 }; 85 86 typedef enum { 87 CD_Q_NONE = 0x00, 88 CD_Q_NO_TOUCH = 0x01, 89 CD_Q_BCD_TRACKS = 0x02, 90 CD_Q_NO_CHANGER = 0x04, 91 CD_Q_CHANGER = 0x08, 92 CD_Q_10_BYTE_ONLY = 0x10 93 } cd_quirks; 94 95 typedef enum { 96 CD_FLAG_INVALID = 0x0001, 97 CD_FLAG_NEW_DISC = 0x0002, 98 CD_FLAG_DISC_LOCKED = 0x0004, 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_TAGGED_QUEUING = 0x0010, 101 CD_FLAG_CHANGER = 0x0040, 102 CD_FLAG_ACTIVE = 0x0080, 103 CD_FLAG_SCHED_ON_COMP = 0x0100, 104 CD_FLAG_RETRY_UA = 0x0200, 105 CD_FLAG_VALID_MEDIA = 0x0400, 106 CD_FLAG_VALID_TOC = 0x0800, 107 CD_FLAG_SCTX_INIT = 0x1000, 108 CD_FLAG_OPEN = 0x2000 109 } cd_flags; 110 111 typedef enum { 112 CD_CCB_PROBE = 0x01, 113 CD_CCB_BUFFER_IO = 0x02, 114 CD_CCB_WAITING = 0x03, 115 CD_CCB_TYPE_MASK = 0x0F, 116 CD_CCB_RETRY_UA = 0x10 117 } cd_ccb_state; 118 119 typedef enum { 120 CHANGER_TIMEOUT_SCHED = 0x01, 121 CHANGER_SHORT_TMOUT_SCHED = 0x02, 122 CHANGER_MANUAL_CALL = 0x04, 123 CHANGER_NEED_TIMEOUT = 0x08 124 } cd_changer_flags; 125 126 #define ccb_state ppriv_field0 127 #define ccb_bp ppriv_ptr1 128 129 struct cd_tocdata { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entries[100]; 132 }; 133 134 struct cd_toc_single { 135 struct ioc_toc_header header; 136 struct cd_toc_entry entry; 137 }; 138 139 typedef enum { 140 CD_STATE_PROBE, 141 CD_STATE_NORMAL 142 } cd_state; 143 144 struct cd_softc { 145 cam_pinfo pinfo; 146 cd_state state; 147 volatile cd_flags flags; 148 struct bio_queue_head bio_queue; 149 LIST_HEAD(, ccb_hdr) pending_ccbs; 150 struct cd_params params; 151 union ccb saved_ccb; 152 cd_quirks quirks; 153 STAILQ_ENTRY(cd_softc) changer_links; 154 struct cdchanger *changer; 155 int bufs_left; 156 struct cam_periph *periph; 157 int minimum_command_size; 158 int outstanding_cmds; 159 struct task sysctl_task; 160 struct sysctl_ctx_list sysctl_ctx; 161 struct sysctl_oid *sysctl_tree; 162 STAILQ_HEAD(, cd_mode_params) mode_queue; 163 struct cd_tocdata toc; 164 struct disk *disk; 165 }; 166 167 struct cd_page_sizes { 168 int page; 169 int page_size; 170 }; 171 172 static struct cd_page_sizes cd_page_size_table[] = 173 { 174 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 175 }; 176 177 struct cd_quirk_entry { 178 struct scsi_inquiry_pattern inq_pat; 179 cd_quirks quirks; 180 }; 181 182 /* 183 * The changer quirk entries aren't strictly necessary. Basically, what 184 * they do is tell cdregister() up front that a device is a changer. 185 * Otherwise, it will figure that fact out once it sees a LUN on the device 186 * that is greater than 0. If it is known up front that a device is a changer, 187 * all I/O to the device will go through the changer scheduling routines, as 188 * opposed to the "normal" CD code. 189 * 190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 191 * your device hangs when it gets a 10 byte command. Adding a quirk just 192 * to get rid of the informative diagnostic message is not acceptable. All 193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 194 * referenced in a comment along with the quirk) , and must be approved by 195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 196 * be removed until the submitter can explain why they are needed. 197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 198 * when the CAM_NEW_TRAN_CODE work is done. 199 */ 200 static struct cd_quirk_entry cd_quirk_table[] = 201 { 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 204 /*quirks*/ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 208 "*"}, /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 212 /* quirks */ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 216 /* quirks */ CD_Q_BCD_TRACKS 217 } 218 }; 219 220 static disk_open_t cdopen; 221 static disk_close_t cdclose; 222 static disk_ioctl_t cdioctl; 223 static disk_strategy_t cdstrategy; 224 225 static periph_init_t cdinit; 226 static periph_ctor_t cdregister; 227 static periph_dtor_t cdcleanup; 228 static periph_start_t cdstart; 229 static periph_oninv_t cdoninvalidate; 230 static void cdasync(void *callback_arg, u_int32_t code, 231 struct cam_path *path, void *arg); 232 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 233 static void cdshorttimeout(void *arg); 234 static void cdschedule(struct cam_periph *periph, int priority); 235 static void cdrunchangerqueue(void *arg); 236 static void cdchangerschedule(struct cd_softc *softc); 237 static int cdrunccb(union ccb *ccb, 238 int (*error_routine)(union ccb *ccb, 239 u_int32_t cam_flags, 240 u_int32_t sense_flags), 241 u_int32_t cam_flags, u_int32_t sense_flags); 242 static union ccb *cdgetccb(struct cam_periph *periph, 243 u_int32_t priority); 244 static void cddone(struct cam_periph *periph, 245 union ccb *start_ccb); 246 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 247 static int cdgetpagesize(int page_num); 248 static void cdprevent(struct cam_periph *periph, int action); 249 static int cdcheckmedia(struct cam_periph *periph); 250 static int cdsize(struct cam_periph *periph, u_int32_t *size); 251 static int cd6byteworkaround(union ccb *ccb); 252 static int cderror(union ccb *ccb, u_int32_t cam_flags, 253 u_int32_t sense_flags); 254 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 255 u_int32_t start, u_int8_t *data, 256 u_int32_t len, u_int32_t sense_flags); 257 static int cdgetmode(struct cam_periph *periph, 258 struct cd_mode_params *data, u_int32_t page); 259 static int cdsetmode(struct cam_periph *periph, 260 struct cd_mode_params *data); 261 static int cdplay(struct cam_periph *periph, u_int32_t blk, 262 u_int32_t len); 263 static int cdreadsubchannel(struct cam_periph *periph, 264 u_int32_t mode, u_int32_t format, 265 int track, 266 struct cd_sub_channel_info *data, 267 u_int32_t len); 268 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 269 u_int32_t starts, u_int32_t startf, 270 u_int32_t endm, u_int32_t ends, 271 u_int32_t endf); 272 static int cdplaytracks(struct cam_periph *periph, 273 u_int32_t strack, u_int32_t sindex, 274 u_int32_t etrack, u_int32_t eindex); 275 static int cdpause(struct cam_periph *periph, u_int32_t go); 276 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 277 static int cdstartunit(struct cam_periph *periph, int load); 278 static int cdsetspeed(struct cam_periph *periph, 279 u_int32_t rdspeed, u_int32_t wrspeed); 280 static int cdreportkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282 static int cdsendkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284 static int cdreaddvdstructure(struct cam_periph *periph, 285 struct dvd_struct *dvdstruct); 286 287 static struct periph_driver cddriver = 288 { 289 cdinit, "cd", 290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 291 }; 292 293 PERIPHDRIVER_DECLARE(cd, cddriver); 294 295 #ifndef CD_DEFAULT_RETRY 296 #define CD_DEFAULT_RETRY 4 297 #endif 298 #ifndef CHANGER_MIN_BUSY_SECONDS 299 #define CHANGER_MIN_BUSY_SECONDS 5 300 #endif 301 #ifndef CHANGER_MAX_BUSY_SECONDS 302 #define CHANGER_MAX_BUSY_SECONDS 15 303 #endif 304 305 static int cd_retry_count = CD_DEFAULT_RETRY; 306 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 307 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 308 309 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 310 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 311 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 312 &cd_retry_count, 0, "Normal I/O retry count"); 313 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 314 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 315 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 316 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 317 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 318 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 319 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 320 321 struct cdchanger { 322 path_id_t path_id; 323 target_id_t target_id; 324 int num_devices; 325 struct camq devq; 326 struct timeval start_time; 327 struct cd_softc *cur_device; 328 struct callout short_handle; 329 struct callout long_handle; 330 volatile cd_changer_flags flags; 331 STAILQ_ENTRY(cdchanger) changer_links; 332 STAILQ_HEAD(chdevlist, cd_softc) chluns; 333 }; 334 335 static struct mtx changerq_mtx; 336 static STAILQ_HEAD(changerlist, cdchanger) changerq; 337 static int num_changers; 338 339 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 340 341 static void 342 cdinit(void) 343 { 344 cam_status status; 345 346 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 347 STAILQ_INIT(&changerq); 348 349 /* 350 * Install a global async callback. This callback will 351 * receive async callbacks like "new device found". 352 */ 353 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 354 355 if (status != CAM_REQ_CMP) { 356 printf("cd: Failed to attach master async callback " 357 "due to status 0x%x!\n", status); 358 } 359 } 360 361 static void 362 cdoninvalidate(struct cam_periph *periph) 363 { 364 struct cd_softc *softc; 365 366 softc = (struct cd_softc *)periph->softc; 367 368 /* 369 * De-register any async callbacks. 370 */ 371 xpt_register_async(0, cdasync, periph, periph->path); 372 373 softc->flags |= CD_FLAG_INVALID; 374 375 /* 376 * Return all queued I/O with ENXIO. 377 * XXX Handle any transactions queued to the card 378 * with XPT_ABORT_CCB. 379 */ 380 bioq_flush(&softc->bio_queue, NULL, ENXIO); 381 382 /* 383 * If this device is part of a changer, and it was scheduled 384 * to run, remove it from the run queue since we just nuked 385 * all of its scheduled I/O. 386 */ 387 if ((softc->flags & CD_FLAG_CHANGER) 388 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 389 camq_remove(&softc->changer->devq, softc->pinfo.index); 390 391 disk_gone(softc->disk); 392 xpt_print(periph->path, "lost device\n"); 393 } 394 395 static void 396 cdcleanup(struct cam_periph *periph) 397 { 398 struct cd_softc *softc; 399 400 softc = (struct cd_softc *)periph->softc; 401 402 xpt_print(periph->path, "removing device entry\n"); 403 404 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 405 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 406 xpt_print(periph->path, "can't remove sysctl context\n"); 407 } 408 409 /* 410 * In the queued, non-active case, the device in question 411 * has already been removed from the changer run queue. Since this 412 * device is active, we need to de-activate it, and schedule 413 * another device to run. (if there is another one to run) 414 */ 415 if ((softc->flags & CD_FLAG_CHANGER) 416 && (softc->flags & CD_FLAG_ACTIVE)) { 417 418 /* 419 * The purpose of the short timeout is soley to determine 420 * whether the current device has finished or not. Well, 421 * since we're removing the active device, we know that it 422 * is finished. So, get rid of the short timeout. 423 * Otherwise, if we're in the time period before the short 424 * timeout fires, and there are no other devices in the 425 * queue to run, there won't be any other device put in the 426 * active slot. i.e., when we call cdrunchangerqueue() 427 * below, it won't do anything. Then, when the short 428 * timeout fires, it'll look at the "current device", which 429 * we are free below, and possibly panic the kernel on a 430 * bogus pointer reference. 431 * 432 * The long timeout doesn't really matter, since we 433 * decrement the qfrozen_cnt to indicate that there is 434 * nothing in the active slot now. Therefore, there won't 435 * be any bogus pointer references there. 436 */ 437 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 438 callout_stop(&softc->changer->short_handle); 439 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 440 } 441 softc->changer->devq.qfrozen_cnt--; 442 softc->changer->flags |= CHANGER_MANUAL_CALL; 443 cdrunchangerqueue(softc->changer); 444 } 445 446 /* 447 * If we're removing the last device on the changer, go ahead and 448 * remove the changer device structure. 449 */ 450 if ((softc->flags & CD_FLAG_CHANGER) 451 && (--softc->changer->num_devices == 0)) { 452 453 /* 454 * Theoretically, there shouldn't be any timeouts left, but 455 * I'm not completely sure that that will be the case. So, 456 * it won't hurt to check and see if there are any left. 457 */ 458 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 459 callout_stop(&softc->changer->long_handle); 460 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 461 } 462 463 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 464 callout_stop(&softc->changer->short_handle); 465 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 466 } 467 468 mtx_lock(&changerq_mtx); 469 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 470 changer_links); 471 num_changers--; 472 mtx_unlock(&changerq_mtx); 473 xpt_print(periph->path, "removing changer entry\n"); 474 free(softc->changer, M_DEVBUF); 475 } 476 cam_periph_unlock(periph); 477 disk_destroy(softc->disk); 478 cam_periph_lock(periph); 479 free(softc, M_DEVBUF); 480 } 481 482 static void 483 cdasync(void *callback_arg, u_int32_t code, 484 struct cam_path *path, void *arg) 485 { 486 struct cam_periph *periph; 487 488 periph = (struct cam_periph *)callback_arg; 489 switch (code) { 490 case AC_FOUND_DEVICE: 491 { 492 struct ccb_getdev *cgd; 493 cam_status status; 494 495 cgd = (struct ccb_getdev *)arg; 496 if (cgd == NULL) 497 break; 498 499 if (SID_TYPE(&cgd->inq_data) != T_CDROM 500 && SID_TYPE(&cgd->inq_data) != T_WORM) 501 break; 502 503 /* 504 * Allocate a peripheral instance for 505 * this device and start the probe 506 * process. 507 */ 508 status = cam_periph_alloc(cdregister, cdoninvalidate, 509 cdcleanup, cdstart, 510 "cd", CAM_PERIPH_BIO, 511 cgd->ccb_h.path, cdasync, 512 AC_FOUND_DEVICE, cgd); 513 514 if (status != CAM_REQ_CMP 515 && status != CAM_REQ_INPROG) 516 printf("cdasync: Unable to attach new device " 517 "due to status 0x%x\n", status); 518 519 break; 520 } 521 case AC_SENT_BDR: 522 case AC_BUS_RESET: 523 { 524 struct cd_softc *softc; 525 struct ccb_hdr *ccbh; 526 527 softc = (struct cd_softc *)periph->softc; 528 /* 529 * Don't fail on the expected unit attention 530 * that will occur. 531 */ 532 softc->flags |= CD_FLAG_RETRY_UA; 533 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 534 ccbh->ccb_state |= CD_CCB_RETRY_UA; 535 /* FALLTHROUGH */ 536 } 537 default: 538 cam_periph_async(periph, code, path, arg); 539 break; 540 } 541 } 542 543 static void 544 cdsysctlinit(void *context, int pending) 545 { 546 struct cam_periph *periph; 547 struct cd_softc *softc; 548 char tmpstr[80], tmpstr2[80]; 549 550 periph = (struct cam_periph *)context; 551 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 552 return; 553 554 softc = (struct cd_softc *)periph->softc; 555 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 556 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 557 558 mtx_lock(&Giant); 559 560 sysctl_ctx_init(&softc->sysctl_ctx); 561 softc->flags |= CD_FLAG_SCTX_INIT; 562 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 563 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 564 tmpstr2, CTLFLAG_RD, 0, tmpstr); 565 566 if (softc->sysctl_tree == NULL) { 567 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 568 mtx_unlock(&Giant); 569 cam_periph_release(periph); 570 return; 571 } 572 573 /* 574 * Now register the sysctl handler, so the user can the value on 575 * the fly. 576 */ 577 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 578 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 579 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 580 "Minimum CDB size"); 581 582 mtx_unlock(&Giant); 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,M_NOWAIT); 643 644 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 bzero(softc, sizeof(*softc)); 651 LIST_INIT(&softc->pending_ccbs); 652 STAILQ_INIT(&softc->mode_queue); 653 softc->state = CD_STATE_PROBE; 654 bioq_init(&softc->bio_queue); 655 if (SID_IS_REMOVABLE(&cgd->inq_data)) 656 softc->flags |= CD_FLAG_DISC_REMOVABLE; 657 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 658 softc->flags |= CD_FLAG_TAGGED_QUEUING; 659 660 periph->softc = softc; 661 softc->periph = periph; 662 663 /* 664 * See if this device has any quirks. 665 */ 666 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 667 (caddr_t)cd_quirk_table, 668 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 669 sizeof(*cd_quirk_table), scsi_inquiry_match); 670 671 if (match != NULL) 672 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 673 else 674 softc->quirks = CD_Q_NONE; 675 676 /* Check if the SIM does not want 6 byte commands */ 677 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 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 * Load the user's default, if any. 693 */ 694 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 695 periph->unit_number); 696 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 697 698 /* 6 and 10 are the only permissible values here. */ 699 if (softc->minimum_command_size < 6) 700 softc->minimum_command_size = 6; 701 else if (softc->minimum_command_size > 6) 702 softc->minimum_command_size = 10; 703 704 /* 705 * We need to register the statistics structure for this device, 706 * but we don't have the blocksize yet for it. So, we register 707 * the structure and indicate that we don't have the blocksize 708 * yet. Unlike other SCSI peripheral drivers, we explicitly set 709 * the device type here to be CDROM, rather than just ORing in 710 * the device type. This is because this driver can attach to either 711 * CDROM or WORM devices, and we want this peripheral driver to 712 * show up in the devstat list as a CD peripheral driver, not a 713 * WORM peripheral driver. WORM drives will also have the WORM 714 * driver attached to them. 715 */ 716 cam_periph_unlock(periph); 717 softc->disk = disk_alloc(); 718 softc->disk->d_devstat = devstat_new_entry("cd", 719 periph->unit_number, 0, 720 DEVSTAT_BS_UNAVAILABLE, 721 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 722 DEVSTAT_PRIORITY_CD); 723 softc->disk->d_open = cdopen; 724 softc->disk->d_close = cdclose; 725 softc->disk->d_strategy = cdstrategy; 726 softc->disk->d_ioctl = cdioctl; 727 softc->disk->d_name = "cd"; 728 softc->disk->d_unit = periph->unit_number; 729 softc->disk->d_drv1 = periph; 730 softc->disk->d_flags = 0; 731 disk_create(softc->disk, DISK_VERSION); 732 cam_periph_lock(periph); 733 734 /* 735 * Add an async callback so that we get 736 * notified if this device goes away. 737 */ 738 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 739 cdasync, periph, periph->path); 740 741 /* 742 * If the target lun is greater than 0, we most likely have a CD 743 * changer device. Check the quirk entries as well, though, just 744 * in case someone has a CD tower with one lun per drive or 745 * something like that. Also, if we know up front that a 746 * particular device is a changer, we can mark it as such starting 747 * with lun 0, instead of lun 1. It shouldn't be necessary to have 748 * a quirk entry to define something as a changer, however. 749 */ 750 if (((cgd->ccb_h.target_lun > 0) 751 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 752 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 753 struct cdchanger *nchanger; 754 struct cam_periph *nperiph; 755 struct cam_path *path; 756 cam_status status; 757 int found; 758 759 /* Set the changer flag in the current device's softc */ 760 softc->flags |= CD_FLAG_CHANGER; 761 762 /* 763 * Now, look around for an existing changer device with the 764 * same path and target ID as the current device. 765 */ 766 mtx_lock(&changerq_mtx); 767 for (found = 0, 768 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 769 nchanger != NULL; 770 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 771 if ((nchanger->path_id == cgd->ccb_h.path_id) 772 && (nchanger->target_id == cgd->ccb_h.target_id)) { 773 found = 1; 774 break; 775 } 776 } 777 mtx_unlock(&changerq_mtx); 778 779 /* 780 * If we found a matching entry, just add this device to 781 * the list of devices on this changer. 782 */ 783 if (found == 1) { 784 struct chdevlist *chlunhead; 785 786 chlunhead = &nchanger->chluns; 787 788 /* 789 * XXX KDM look at consolidating this code with the 790 * code below in a separate function. 791 */ 792 793 /* 794 * Create a path with lun id 0, and see if we can 795 * find a matching device 796 */ 797 status = xpt_create_path(&path, /*periph*/ periph, 798 cgd->ccb_h.path_id, 799 cgd->ccb_h.target_id, 0); 800 801 if ((status == CAM_REQ_CMP) 802 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 803 struct cd_softc *nsoftc; 804 805 nsoftc = (struct cd_softc *)nperiph->softc; 806 807 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 808 nsoftc->flags |= CD_FLAG_CHANGER; 809 nchanger->num_devices++; 810 if (camq_resize(&nchanger->devq, 811 nchanger->num_devices)!=CAM_REQ_CMP){ 812 printf("cdregister: " 813 "camq_resize " 814 "failed, changer " 815 "support may " 816 "be messed up\n"); 817 } 818 nsoftc->changer = nchanger; 819 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 820 821 STAILQ_INSERT_TAIL(&nchanger->chluns, 822 nsoftc,changer_links); 823 } 824 xpt_free_path(path); 825 } else if (status == CAM_REQ_CMP) 826 xpt_free_path(path); 827 else { 828 printf("cdregister: unable to allocate path\n" 829 "cdregister: changer support may be " 830 "broken\n"); 831 } 832 833 nchanger->num_devices++; 834 835 softc->changer = nchanger; 836 softc->pinfo.index = CAM_UNQUEUED_INDEX; 837 838 if (camq_resize(&nchanger->devq, 839 nchanger->num_devices) != CAM_REQ_CMP) { 840 printf("cdregister: camq_resize " 841 "failed, changer support may " 842 "be messed up\n"); 843 } 844 845 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 846 } 847 /* 848 * In this case, we don't already have an entry for this 849 * particular changer, so we need to create one, add it to 850 * the queue, and queue this device on the list for this 851 * changer. Before we queue this device, however, we need 852 * to search for lun id 0 on this target, and add it to the 853 * queue first, if it exists. (and if it hasn't already 854 * been marked as part of the changer.) 855 */ 856 else { 857 nchanger = malloc(sizeof(struct cdchanger), 858 M_DEVBUF, M_NOWAIT); 859 860 if (nchanger == NULL) { 861 softc->flags &= ~CD_FLAG_CHANGER; 862 printf("cdregister: unable to malloc " 863 "changer structure\ncdregister: " 864 "changer support disabled\n"); 865 866 /* 867 * Yes, gotos can be gross but in this case 868 * I think it's justified.. 869 */ 870 goto cdregisterexit; 871 } 872 873 /* zero the structure */ 874 bzero(nchanger, sizeof(struct cdchanger)); 875 876 if (camq_init(&nchanger->devq, 1) != 0) { 877 softc->flags &= ~CD_FLAG_CHANGER; 878 printf("cdregister: changer support " 879 "disabled\n"); 880 goto cdregisterexit; 881 } 882 883 nchanger->path_id = cgd->ccb_h.path_id; 884 nchanger->target_id = cgd->ccb_h.target_id; 885 886 /* this is superfluous, but it makes things clearer */ 887 nchanger->num_devices = 0; 888 889 STAILQ_INIT(&nchanger->chluns); 890 891 callout_init_mtx(&nchanger->long_handle, 892 periph->sim->mtx, 0); 893 callout_init_mtx(&nchanger->short_handle, 894 periph->sim->mtx, 0); 895 896 mtx_lock(&changerq_mtx); 897 num_changers++; 898 STAILQ_INSERT_TAIL(&changerq, nchanger, 899 changer_links); 900 mtx_unlock(&changerq_mtx); 901 902 /* 903 * Create a path with lun id 0, and see if we can 904 * find a matching device 905 */ 906 status = xpt_create_path(&path, /*periph*/ periph, 907 cgd->ccb_h.path_id, 908 cgd->ccb_h.target_id, 0); 909 910 /* 911 * If we were able to allocate the path, and if we 912 * find a matching device and it isn't already 913 * marked as part of a changer, then we add it to 914 * the current changer. 915 */ 916 if ((status == CAM_REQ_CMP) 917 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 918 && ((((struct cd_softc *)periph->softc)->flags & 919 CD_FLAG_CHANGER) == 0)) { 920 struct cd_softc *nsoftc; 921 922 nsoftc = (struct cd_softc *)nperiph->softc; 923 924 nsoftc->flags |= CD_FLAG_CHANGER; 925 nchanger->num_devices++; 926 if (camq_resize(&nchanger->devq, 927 nchanger->num_devices) != CAM_REQ_CMP) { 928 printf("cdregister: camq_resize " 929 "failed, changer support may " 930 "be messed up\n"); 931 } 932 nsoftc->changer = nchanger; 933 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 934 935 STAILQ_INSERT_TAIL(&nchanger->chluns, 936 nsoftc, changer_links); 937 xpt_free_path(path); 938 } else if (status == CAM_REQ_CMP) 939 xpt_free_path(path); 940 else { 941 printf("cdregister: unable to allocate path\n" 942 "cdregister: changer support may be " 943 "broken\n"); 944 } 945 946 softc->changer = nchanger; 947 softc->pinfo.index = CAM_UNQUEUED_INDEX; 948 nchanger->num_devices++; 949 if (camq_resize(&nchanger->devq, 950 nchanger->num_devices) != CAM_REQ_CMP) { 951 printf("cdregister: camq_resize " 952 "failed, changer support may " 953 "be messed up\n"); 954 } 955 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 956 changer_links); 957 } 958 } 959 960 cdregisterexit: 961 962 /* 963 * Refcount and block open attempts until we are setup 964 * Can't block 965 */ 966 (void)cam_periph_hold(periph, PRIBIO); 967 968 if ((softc->flags & CD_FLAG_CHANGER) == 0) 969 xpt_schedule(periph, /*priority*/5); 970 else 971 cdschedule(periph, /*priority*/ 5); 972 973 return(CAM_REQ_CMP); 974 } 975 976 static int 977 cdopen(struct disk *dp) 978 { 979 struct cam_periph *periph; 980 struct cd_softc *softc; 981 int error; 982 983 periph = (struct cam_periph *)dp->d_drv1; 984 if (periph == NULL) 985 return (ENXIO); 986 987 softc = (struct cd_softc *)periph->softc; 988 989 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 990 return(ENXIO); 991 992 cam_periph_lock(periph); 993 994 if (softc->flags & CD_FLAG_INVALID) { 995 cam_periph_unlock(periph); 996 cam_periph_release(periph); 997 return(ENXIO); 998 } 999 1000 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1001 cam_periph_unlock(periph); 1002 cam_periph_release(periph); 1003 return (error); 1004 } 1005 1006 /* 1007 * Check for media, and set the appropriate flags. We don't bail 1008 * if we don't have media, but then we don't allow anything but the 1009 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1010 */ 1011 cdcheckmedia(periph); 1012 1013 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1014 cam_periph_unhold(periph); 1015 1016 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1017 if ((softc->flags & CD_FLAG_OPEN) == 0) { 1018 softc->flags |= CD_FLAG_OPEN; 1019 cam_periph_unlock(periph); 1020 } else { 1021 cam_periph_unlock(periph); 1022 cam_periph_release(periph); 1023 } 1024 1025 return (0); 1026 } 1027 1028 static int 1029 cdclose(struct disk *dp) 1030 { 1031 struct cam_periph *periph; 1032 struct cd_softc *softc; 1033 1034 periph = (struct cam_periph *)dp->d_drv1; 1035 if (periph == NULL) 1036 return (ENXIO); 1037 1038 softc = (struct cd_softc *)periph->softc; 1039 1040 cam_periph_lock(periph); 1041 cam_periph_hold(periph, PRIBIO); 1042 1043 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1044 cdprevent(periph, PR_ALLOW); 1045 1046 /* 1047 * Since we're closing this CD, mark the blocksize as unavailable. 1048 * It will be marked as available when the CD is opened again. 1049 */ 1050 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1051 1052 /* 1053 * We'll check the media and toc again at the next open(). 1054 */ 1055 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1056 1057 cam_periph_unhold(periph); 1058 cam_periph_unlock(periph); 1059 cam_periph_release(periph); 1060 1061 return (0); 1062 } 1063 1064 static void 1065 cdshorttimeout(void *arg) 1066 { 1067 struct cdchanger *changer; 1068 1069 changer = (struct cdchanger *)arg; 1070 1071 /* Always clear the short timeout flag, since that's what we're in */ 1072 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1073 1074 /* 1075 * Check to see if there is any more pending or outstanding I/O for 1076 * this device. If not, move it out of the active slot. 1077 */ 1078 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1079 && (changer->cur_device->outstanding_cmds == 0)) { 1080 changer->flags |= CHANGER_MANUAL_CALL; 1081 cdrunchangerqueue(changer); 1082 } 1083 } 1084 1085 /* 1086 * This is a wrapper for xpt_schedule. It only applies to changers. 1087 */ 1088 static void 1089 cdschedule(struct cam_periph *periph, int priority) 1090 { 1091 struct cd_softc *softc; 1092 1093 softc = (struct cd_softc *)periph->softc; 1094 1095 /* 1096 * If this device isn't currently queued, and if it isn't 1097 * the active device, then we queue this device and run the 1098 * changer queue if there is no timeout scheduled to do it. 1099 * If this device is the active device, just schedule it 1100 * to run again. If this device is queued, there should be 1101 * a timeout in place already that will make sure it runs. 1102 */ 1103 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1104 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1105 /* 1106 * We don't do anything with the priority here. 1107 * This is strictly a fifo queue. 1108 */ 1109 softc->pinfo.priority = 1; 1110 softc->pinfo.generation = ++softc->changer->devq.generation; 1111 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1112 1113 /* 1114 * Since we just put a device in the changer queue, 1115 * check and see if there is a timeout scheduled for 1116 * this changer. If so, let the timeout handle 1117 * switching this device into the active slot. If 1118 * not, manually call the timeout routine to 1119 * bootstrap things. 1120 */ 1121 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1122 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1123 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1124 softc->changer->flags |= CHANGER_MANUAL_CALL; 1125 cdrunchangerqueue(softc->changer); 1126 } 1127 } else if ((softc->flags & CD_FLAG_ACTIVE) 1128 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1129 xpt_schedule(periph, priority); 1130 } 1131 1132 static void 1133 cdrunchangerqueue(void *arg) 1134 { 1135 struct cd_softc *softc; 1136 struct cdchanger *changer; 1137 int called_from_timeout; 1138 1139 changer = (struct cdchanger *)arg; 1140 1141 /* 1142 * If we have NOT been called from cdstrategy() or cddone(), and 1143 * instead from a timeout routine, go ahead and clear the 1144 * timeout flag. 1145 */ 1146 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1147 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1148 called_from_timeout = 1; 1149 } else 1150 called_from_timeout = 0; 1151 1152 /* Always clear the manual call flag */ 1153 changer->flags &= ~CHANGER_MANUAL_CALL; 1154 1155 /* nothing to do if the queue is empty */ 1156 if (changer->devq.entries <= 0) { 1157 return; 1158 } 1159 1160 /* 1161 * If the changer queue is frozen, that means we have an active 1162 * device. 1163 */ 1164 if (changer->devq.qfrozen_cnt > 0) { 1165 1166 /* 1167 * We always need to reset the frozen count and clear the 1168 * active flag. 1169 */ 1170 changer->devq.qfrozen_cnt--; 1171 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1172 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1173 1174 if (changer->cur_device->outstanding_cmds > 0) { 1175 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1176 changer->cur_device->bufs_left = 1177 changer->cur_device->outstanding_cmds; 1178 if (called_from_timeout) { 1179 callout_reset(&changer->long_handle, 1180 changer_max_busy_seconds * hz, 1181 cdrunchangerqueue, changer); 1182 changer->flags |= CHANGER_TIMEOUT_SCHED; 1183 } 1184 return; 1185 } 1186 1187 /* 1188 * Check to see whether the current device has any I/O left 1189 * to do. If so, requeue it at the end of the queue. If 1190 * not, there is no need to requeue it. 1191 */ 1192 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1193 1194 changer->cur_device->pinfo.generation = 1195 ++changer->devq.generation; 1196 camq_insert(&changer->devq, 1197 (cam_pinfo *)changer->cur_device); 1198 } 1199 } 1200 1201 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1202 1203 changer->cur_device = softc; 1204 1205 changer->devq.qfrozen_cnt++; 1206 softc->flags |= CD_FLAG_ACTIVE; 1207 1208 /* Just in case this device is waiting */ 1209 wakeup(&softc->changer); 1210 xpt_schedule(softc->periph, /*priority*/ 1); 1211 1212 /* 1213 * Get rid of any pending timeouts, and set a flag to schedule new 1214 * ones so this device gets its full time quantum. 1215 */ 1216 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1217 callout_stop(&changer->long_handle); 1218 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1219 } 1220 1221 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1222 callout_stop(&changer->short_handle); 1223 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1224 } 1225 1226 /* 1227 * We need to schedule timeouts, but we only do this after the 1228 * first transaction has completed. This eliminates the changer 1229 * switch time. 1230 */ 1231 changer->flags |= CHANGER_NEED_TIMEOUT; 1232 } 1233 1234 static void 1235 cdchangerschedule(struct cd_softc *softc) 1236 { 1237 struct cdchanger *changer; 1238 1239 changer = softc->changer; 1240 1241 /* 1242 * If this is a changer, and this is the current device, 1243 * and this device has at least the minimum time quantum to 1244 * run, see if we can switch it out. 1245 */ 1246 if ((softc->flags & CD_FLAG_ACTIVE) 1247 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1248 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1249 /* 1250 * We try three things here. The first is that we 1251 * check to see whether the schedule on completion 1252 * flag is set. If it is, we decrement the number 1253 * of buffers left, and if it's zero, we reschedule. 1254 * Next, we check to see whether the pending buffer 1255 * queue is empty and whether there are no 1256 * outstanding transactions. If so, we reschedule. 1257 * Next, we see if the pending buffer queue is empty. 1258 * If it is, we set the number of buffers left to 1259 * the current active buffer count and set the 1260 * schedule on complete flag. 1261 */ 1262 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1263 if (--softc->bufs_left == 0) { 1264 softc->changer->flags |= 1265 CHANGER_MANUAL_CALL; 1266 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1267 cdrunchangerqueue(softc->changer); 1268 } 1269 } else if ((bioq_first(&softc->bio_queue) == NULL) 1270 && (softc->outstanding_cmds == 0)) { 1271 softc->changer->flags |= CHANGER_MANUAL_CALL; 1272 cdrunchangerqueue(softc->changer); 1273 } 1274 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1275 && (softc->flags & CD_FLAG_ACTIVE)) { 1276 1277 /* 1278 * Now that the first transaction to this 1279 * particular device has completed, we can go ahead 1280 * and schedule our timeouts. 1281 */ 1282 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1283 callout_reset(&changer->long_handle, 1284 changer_max_busy_seconds * hz, 1285 cdrunchangerqueue, changer); 1286 changer->flags |= CHANGER_TIMEOUT_SCHED; 1287 } else 1288 printf("cdchangerschedule: already have a long" 1289 " timeout!\n"); 1290 1291 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1292 callout_reset(&changer->short_handle, 1293 changer_min_busy_seconds * hz, 1294 cdshorttimeout, changer); 1295 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1296 } else 1297 printf("cdchangerschedule: already have a short " 1298 "timeout!\n"); 1299 1300 /* 1301 * We just scheduled timeouts, no need to schedule 1302 * more. 1303 */ 1304 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1305 1306 } 1307 } 1308 1309 static int 1310 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1311 u_int32_t cam_flags, 1312 u_int32_t sense_flags), 1313 u_int32_t cam_flags, u_int32_t sense_flags) 1314 { 1315 struct cd_softc *softc; 1316 struct cam_periph *periph; 1317 int error; 1318 1319 periph = xpt_path_periph(ccb->ccb_h.path); 1320 softc = (struct cd_softc *)periph->softc; 1321 1322 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1323 softc->disk->d_devstat); 1324 1325 if (softc->flags & CD_FLAG_CHANGER) 1326 cdchangerschedule(softc); 1327 1328 return(error); 1329 } 1330 1331 static union ccb * 1332 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1333 { 1334 struct cd_softc *softc; 1335 1336 softc = (struct cd_softc *)periph->softc; 1337 1338 if (softc->flags & CD_FLAG_CHANGER) { 1339 /* 1340 * This should work the first time this device is woken up, 1341 * but just in case it doesn't, we use a while loop. 1342 */ 1343 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1344 /* 1345 * If this changer isn't already queued, queue it up. 1346 */ 1347 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1348 softc->pinfo.priority = 1; 1349 softc->pinfo.generation = 1350 ++softc->changer->devq.generation; 1351 camq_insert(&softc->changer->devq, 1352 (cam_pinfo *)softc); 1353 } 1354 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1355 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1356 && ((softc->changer->flags 1357 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1358 softc->changer->flags |= CHANGER_MANUAL_CALL; 1359 cdrunchangerqueue(softc->changer); 1360 } else 1361 msleep(&softc->changer, periph->sim->mtx, 1362 PRIBIO, "cgticb", 0); 1363 } 1364 } 1365 return(cam_periph_getccb(periph, priority)); 1366 } 1367 1368 1369 /* 1370 * Actually translate the requested transfer into one the physical driver 1371 * can understand. The transfer is described by a buf and will include 1372 * only one physical transfer. 1373 */ 1374 static void 1375 cdstrategy(struct bio *bp) 1376 { 1377 struct cam_periph *periph; 1378 struct cd_softc *softc; 1379 1380 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1381 if (periph == NULL) { 1382 biofinish(bp, NULL, ENXIO); 1383 return; 1384 } 1385 1386 cam_periph_lock(periph); 1387 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1388 1389 softc = (struct cd_softc *)periph->softc; 1390 1391 /* 1392 * If the device has been made invalid, error out 1393 */ 1394 if ((softc->flags & CD_FLAG_INVALID)) { 1395 cam_periph_unlock(periph); 1396 biofinish(bp, NULL, ENXIO); 1397 return; 1398 } 1399 1400 /* 1401 * If we don't have valid media, look for it before trying to 1402 * schedule the I/O. 1403 */ 1404 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1405 int error; 1406 1407 error = cdcheckmedia(periph); 1408 if (error != 0) { 1409 cam_periph_unlock(periph); 1410 biofinish(bp, NULL, error); 1411 return; 1412 } 1413 } 1414 1415 /* 1416 * Place it in the queue of disk activities for this disk 1417 */ 1418 bioq_disksort(&softc->bio_queue, bp); 1419 1420 /* 1421 * Schedule ourselves for performing the work. We do things 1422 * differently for changers. 1423 */ 1424 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1425 xpt_schedule(periph, /* XXX priority */1); 1426 else 1427 cdschedule(periph, /* priority */ 1); 1428 1429 cam_periph_unlock(periph); 1430 return; 1431 } 1432 1433 static void 1434 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1435 { 1436 struct cd_softc *softc; 1437 struct bio *bp; 1438 struct ccb_scsiio *csio; 1439 struct scsi_read_capacity_data *rcap; 1440 1441 softc = (struct cd_softc *)periph->softc; 1442 1443 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1444 1445 switch (softc->state) { 1446 case CD_STATE_NORMAL: 1447 { 1448 bp = bioq_first(&softc->bio_queue); 1449 if (periph->immediate_priority <= periph->pinfo.priority) { 1450 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1451 1452 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1453 periph_links.sle); 1454 periph->immediate_priority = CAM_PRIORITY_NONE; 1455 wakeup(&periph->ccb_list); 1456 } else if (bp == NULL) { 1457 xpt_release_ccb(start_ccb); 1458 } else { 1459 bioq_remove(&softc->bio_queue, bp); 1460 1461 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1462 1463 scsi_read_write(&start_ccb->csio, 1464 /*retries*/cd_retry_count, 1465 /* cbfcnp */ cddone, 1466 MSG_SIMPLE_Q_TAG, 1467 /* read */bp->bio_cmd == BIO_READ, 1468 /* byte2 */ 0, 1469 /* minimum_cmd_size */ 10, 1470 /* lba */ bp->bio_offset / 1471 softc->params.blksize, 1472 bp->bio_bcount / softc->params.blksize, 1473 /* data_ptr */ bp->bio_data, 1474 /* dxfer_len */ bp->bio_bcount, 1475 /* sense_len */ SSD_FULL_SIZE, 1476 /* timeout */ 30000); 1477 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1478 1479 1480 LIST_INSERT_HEAD(&softc->pending_ccbs, 1481 &start_ccb->ccb_h, periph_links.le); 1482 softc->outstanding_cmds++; 1483 1484 /* We expect a unit attention from this device */ 1485 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1486 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1487 softc->flags &= ~CD_FLAG_RETRY_UA; 1488 } 1489 1490 start_ccb->ccb_h.ccb_bp = bp; 1491 bp = bioq_first(&softc->bio_queue); 1492 1493 xpt_action(start_ccb); 1494 } 1495 if (bp != NULL) { 1496 /* Have more work to do, so ensure we stay scheduled */ 1497 xpt_schedule(periph, /* XXX priority */1); 1498 } 1499 break; 1500 } 1501 case CD_STATE_PROBE: 1502 { 1503 1504 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1505 M_SCSICD, 1506 M_NOWAIT); 1507 if (rcap == NULL) { 1508 xpt_print(periph->path, 1509 "cdstart: Couldn't malloc read_capacity data\n"); 1510 /* cd_free_periph??? */ 1511 break; 1512 } 1513 csio = &start_ccb->csio; 1514 scsi_read_capacity(csio, 1515 /*retries*/1, 1516 cddone, 1517 MSG_SIMPLE_Q_TAG, 1518 rcap, 1519 SSD_FULL_SIZE, 1520 /*timeout*/20000); 1521 start_ccb->ccb_h.ccb_bp = NULL; 1522 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1523 xpt_action(start_ccb); 1524 break; 1525 } 1526 } 1527 } 1528 1529 static void 1530 cddone(struct cam_periph *periph, union ccb *done_ccb) 1531 { 1532 struct cd_softc *softc; 1533 struct ccb_scsiio *csio; 1534 1535 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1536 1537 softc = (struct cd_softc *)periph->softc; 1538 csio = &done_ccb->csio; 1539 1540 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1541 case CD_CCB_BUFFER_IO: 1542 { 1543 struct bio *bp; 1544 int error; 1545 1546 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1547 error = 0; 1548 1549 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1550 int sf; 1551 1552 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1553 sf = SF_RETRY_UA; 1554 else 1555 sf = 0; 1556 1557 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1558 if (error == ERESTART) { 1559 /* 1560 * A retry was scheuled, so 1561 * just return. 1562 */ 1563 return; 1564 } 1565 } 1566 1567 if (error != 0) { 1568 xpt_print(periph->path, 1569 "cddone: got error %#x back\n", error); 1570 bioq_flush(&softc->bio_queue, NULL, EIO); 1571 bp->bio_resid = bp->bio_bcount; 1572 bp->bio_error = error; 1573 bp->bio_flags |= BIO_ERROR; 1574 cam_release_devq(done_ccb->ccb_h.path, 1575 /*relsim_flags*/0, 1576 /*reduction*/0, 1577 /*timeout*/0, 1578 /*getcount_only*/0); 1579 1580 } else { 1581 bp->bio_resid = csio->resid; 1582 bp->bio_error = 0; 1583 if (bp->bio_resid != 0) { 1584 /* 1585 * Short transfer ??? 1586 * XXX: not sure this is correct for partial 1587 * transfers at EOM 1588 */ 1589 bp->bio_flags |= BIO_ERROR; 1590 } 1591 } 1592 1593 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1594 softc->outstanding_cmds--; 1595 1596 if (softc->flags & CD_FLAG_CHANGER) 1597 cdchangerschedule(softc); 1598 1599 biofinish(bp, NULL, 0); 1600 break; 1601 } 1602 case CD_CCB_PROBE: 1603 { 1604 struct scsi_read_capacity_data *rdcap; 1605 char announce_buf[120]; /* 1606 * Currently (9/30/97) the 1607 * longest possible announce 1608 * buffer is 108 bytes, for the 1609 * first error case below. 1610 * That is 39 bytes for the 1611 * basic string, 16 bytes for the 1612 * biggest sense key (hardware 1613 * error), 52 bytes for the 1614 * text of the largest sense 1615 * qualifier valid for a CDROM, 1616 * (0x72, 0x03 or 0x04, 1617 * 0x03), and one byte for the 1618 * null terminating character. 1619 * To allow for longer strings, 1620 * the announce buffer is 120 1621 * bytes. 1622 */ 1623 struct cd_params *cdp; 1624 1625 cdp = &softc->params; 1626 1627 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1628 1629 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1630 cdp->blksize = scsi_4btoul (rdcap->length); 1631 1632 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1633 1634 snprintf(announce_buf, sizeof(announce_buf), 1635 "cd present [%lu x %lu byte records]", 1636 cdp->disksize, (u_long)cdp->blksize); 1637 1638 } else { 1639 int error; 1640 /* 1641 * Retry any UNIT ATTENTION type errors. They 1642 * are expected at boot. 1643 */ 1644 error = cderror(done_ccb, CAM_RETRY_SELTO, 1645 SF_RETRY_UA | SF_NO_PRINT); 1646 if (error == ERESTART) { 1647 /* 1648 * A retry was scheuled, so 1649 * just return. 1650 */ 1651 return; 1652 } else if (error != 0) { 1653 1654 struct scsi_sense_data *sense; 1655 int asc, ascq; 1656 int sense_key, error_code; 1657 int have_sense; 1658 cam_status status; 1659 struct ccb_getdev cgd; 1660 1661 /* Don't wedge this device's queue */ 1662 cam_release_devq(done_ccb->ccb_h.path, 1663 /*relsim_flags*/0, 1664 /*reduction*/0, 1665 /*timeout*/0, 1666 /*getcount_only*/0); 1667 1668 status = done_ccb->ccb_h.status; 1669 1670 xpt_setup_ccb(&cgd.ccb_h, 1671 done_ccb->ccb_h.path, 1672 /* priority */ 1); 1673 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1674 xpt_action((union ccb *)&cgd); 1675 1676 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1677 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1678 || ((status & CAM_AUTOSNS_VALID) == 0)) 1679 have_sense = FALSE; 1680 else 1681 have_sense = TRUE; 1682 1683 if (have_sense) { 1684 sense = &csio->sense_data; 1685 scsi_extract_sense(sense, &error_code, 1686 &sense_key, 1687 &asc, &ascq); 1688 } 1689 /* 1690 * Attach to anything that claims to be a 1691 * CDROM or WORM device, as long as it 1692 * doesn't return a "Logical unit not 1693 * supported" (0x25) error. 1694 */ 1695 if ((have_sense) && (asc != 0x25) 1696 && (error_code == SSD_CURRENT_ERROR)) { 1697 const char *sense_key_desc; 1698 const char *asc_desc; 1699 1700 scsi_sense_desc(sense_key, asc, ascq, 1701 &cgd.inq_data, 1702 &sense_key_desc, 1703 &asc_desc); 1704 snprintf(announce_buf, 1705 sizeof(announce_buf), 1706 "Attempt to query device " 1707 "size failed: %s, %s", 1708 sense_key_desc, 1709 asc_desc); 1710 } else if ((have_sense == 0) 1711 && ((status & CAM_STATUS_MASK) == 1712 CAM_SCSI_STATUS_ERROR) 1713 && (csio->scsi_status == 1714 SCSI_STATUS_BUSY)) { 1715 snprintf(announce_buf, 1716 sizeof(announce_buf), 1717 "Attempt to query device " 1718 "size failed: SCSI Status: %s", 1719 scsi_status_string(csio)); 1720 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1721 /* 1722 * We only print out an error for 1723 * CDROM type devices. For WORM 1724 * devices, we don't print out an 1725 * error since a few WORM devices 1726 * don't support CDROM commands. 1727 * If we have sense information, go 1728 * ahead and print it out. 1729 * Otherwise, just say that we 1730 * couldn't attach. 1731 */ 1732 1733 /* 1734 * Just print out the error, not 1735 * the full probe message, when we 1736 * don't attach. 1737 */ 1738 if (have_sense) 1739 scsi_sense_print( 1740 &done_ccb->csio); 1741 else { 1742 xpt_print(periph->path, 1743 "got CAM status %#x\n", 1744 done_ccb->ccb_h.status); 1745 } 1746 xpt_print(periph->path, "fatal error, " 1747 "failed to attach to device\n"); 1748 /* 1749 * Invalidate this peripheral. 1750 */ 1751 cam_periph_invalidate(periph); 1752 1753 announce_buf[0] = '\0'; 1754 } else { 1755 1756 /* 1757 * Invalidate this peripheral. 1758 */ 1759 cam_periph_invalidate(periph); 1760 announce_buf[0] = '\0'; 1761 } 1762 } 1763 } 1764 free(rdcap, M_SCSICD); 1765 if (announce_buf[0] != '\0') { 1766 xpt_announce_periph(periph, announce_buf); 1767 if (softc->flags & CD_FLAG_CHANGER) 1768 cdchangerschedule(softc); 1769 /* 1770 * Create our sysctl variables, now that we know 1771 * we have successfully attached. 1772 */ 1773 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1774 } 1775 softc->state = CD_STATE_NORMAL; 1776 /* 1777 * Since our peripheral may be invalidated by an error 1778 * above or an external event, we must release our CCB 1779 * before releasing the probe lock on the peripheral. 1780 * The peripheral will only go away once the last lock 1781 * is removed, and we need it around for the CCB release 1782 * operation. 1783 */ 1784 xpt_release_ccb(done_ccb); 1785 cam_periph_unhold(periph); 1786 return; 1787 } 1788 case CD_CCB_WAITING: 1789 { 1790 /* Caller will release the CCB */ 1791 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1792 ("trying to wakeup ccbwait\n")); 1793 1794 wakeup(&done_ccb->ccb_h.cbfcnp); 1795 return; 1796 } 1797 default: 1798 break; 1799 } 1800 xpt_release_ccb(done_ccb); 1801 } 1802 1803 static union cd_pages * 1804 cdgetpage(struct cd_mode_params *mode_params) 1805 { 1806 union cd_pages *page; 1807 1808 if (mode_params->cdb_size == 10) 1809 page = (union cd_pages *)find_mode_page_10( 1810 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1811 else 1812 page = (union cd_pages *)find_mode_page_6( 1813 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1814 1815 return (page); 1816 } 1817 1818 static int 1819 cdgetpagesize(int page_num) 1820 { 1821 int i; 1822 1823 for (i = 0; i < (sizeof(cd_page_size_table)/ 1824 sizeof(cd_page_size_table[0])); i++) { 1825 if (cd_page_size_table[i].page == page_num) 1826 return (cd_page_size_table[i].page_size); 1827 } 1828 1829 return (-1); 1830 } 1831 1832 static int 1833 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1834 { 1835 1836 struct cam_periph *periph; 1837 struct cd_softc *softc; 1838 int nocopyout, error = 0; 1839 1840 periph = (struct cam_periph *)dp->d_drv1; 1841 if (periph == NULL) 1842 return(ENXIO); 1843 1844 cam_periph_lock(periph); 1845 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1846 1847 softc = (struct cd_softc *)periph->softc; 1848 1849 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1850 ("trying to do ioctl %#lx\n", cmd)); 1851 1852 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1853 cam_periph_unlock(periph); 1854 cam_periph_release(periph); 1855 return (error); 1856 } 1857 1858 /* 1859 * If we don't have media loaded, check for it. If still don't 1860 * have media loaded, we can only do a load or eject. 1861 * 1862 * We only care whether media is loaded if this is a cd-specific ioctl 1863 * (thus the IOCGROUP check below). Note that this will break if 1864 * anyone adds any ioctls into the switch statement below that don't 1865 * have their ioctl group set to 'c'. 1866 */ 1867 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1868 && ((cmd != CDIOCCLOSE) 1869 && (cmd != CDIOCEJECT)) 1870 && (IOCGROUP(cmd) == 'c')) { 1871 error = cdcheckmedia(periph); 1872 if (error != 0) { 1873 cam_periph_unhold(periph); 1874 cam_periph_unlock(periph); 1875 return (error); 1876 } 1877 } 1878 /* 1879 * Drop the lock here so later mallocs can use WAITOK. The periph 1880 * is essentially locked still with the cam_periph_hold call above. 1881 */ 1882 cam_periph_unlock(periph); 1883 1884 nocopyout = 0; 1885 switch (cmd) { 1886 1887 case CDIOCPLAYTRACKS: 1888 { 1889 struct ioc_play_track *args 1890 = (struct ioc_play_track *) addr; 1891 struct cd_mode_params params; 1892 union cd_pages *page; 1893 1894 params.alloc_len = sizeof(union cd_mode_data_6_10); 1895 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1896 M_WAITOK | M_ZERO); 1897 1898 cam_periph_lock(periph); 1899 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1900 ("trying to do CDIOCPLAYTRACKS\n")); 1901 1902 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1903 if (error) { 1904 free(params.mode_buf, M_SCSICD); 1905 cam_periph_unlock(periph); 1906 break; 1907 } 1908 page = cdgetpage(¶ms); 1909 1910 page->audio.flags &= ~CD_PA_SOTC; 1911 page->audio.flags |= CD_PA_IMMED; 1912 error = cdsetmode(periph, ¶ms); 1913 free(params.mode_buf, M_SCSICD); 1914 if (error) { 1915 cam_periph_unlock(periph); 1916 break; 1917 } 1918 1919 /* 1920 * This was originally implemented with the PLAY 1921 * AUDIO TRACK INDEX command, but that command was 1922 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1923 * drives support it but ATAPI and ATAPI-derivative 1924 * drives don't seem to support it. So we keep a 1925 * cache of the table of contents and translate 1926 * track numbers to MSF format. 1927 */ 1928 if (softc->flags & CD_FLAG_VALID_TOC) { 1929 union msf_lba *sentry, *eentry; 1930 int st, et; 1931 1932 if (args->end_track < 1933 softc->toc.header.ending_track + 1) 1934 args->end_track++; 1935 if (args->end_track > 1936 softc->toc.header.ending_track + 1) 1937 args->end_track = 1938 softc->toc.header.ending_track + 1; 1939 st = args->start_track - 1940 softc->toc.header.starting_track; 1941 et = args->end_track - 1942 softc->toc.header.starting_track; 1943 if ((st < 0) 1944 || (et < 0) 1945 || (st > (softc->toc.header.ending_track - 1946 softc->toc.header.starting_track))) { 1947 error = EINVAL; 1948 break; 1949 } 1950 sentry = &softc->toc.entries[st].addr; 1951 eentry = &softc->toc.entries[et].addr; 1952 error = cdplaymsf(periph, 1953 sentry->msf.minute, 1954 sentry->msf.second, 1955 sentry->msf.frame, 1956 eentry->msf.minute, 1957 eentry->msf.second, 1958 eentry->msf.frame); 1959 } else { 1960 /* 1961 * If we don't have a valid TOC, try the 1962 * play track index command. It is part of 1963 * the SCSI-2 spec, but was removed in the 1964 * MMC specs. ATAPI and ATAPI-derived 1965 * drives don't support it. 1966 */ 1967 if (softc->quirks & CD_Q_BCD_TRACKS) { 1968 args->start_track = 1969 bin2bcd(args->start_track); 1970 args->end_track = 1971 bin2bcd(args->end_track); 1972 } 1973 error = cdplaytracks(periph, 1974 args->start_track, 1975 args->start_index, 1976 args->end_track, 1977 args->end_index); 1978 } 1979 cam_periph_unlock(periph); 1980 } 1981 break; 1982 case CDIOCPLAYMSF: 1983 { 1984 struct ioc_play_msf *args 1985 = (struct ioc_play_msf *) addr; 1986 struct cd_mode_params params; 1987 union cd_pages *page; 1988 1989 params.alloc_len = sizeof(union cd_mode_data_6_10); 1990 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1991 M_WAITOK | M_ZERO); 1992 1993 cam_periph_lock(periph); 1994 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1995 ("trying to do CDIOCPLAYMSF\n")); 1996 1997 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1998 if (error) { 1999 free(params.mode_buf, M_SCSICD); 2000 cam_periph_unlock(periph); 2001 break; 2002 } 2003 page = cdgetpage(¶ms); 2004 2005 page->audio.flags &= ~CD_PA_SOTC; 2006 page->audio.flags |= CD_PA_IMMED; 2007 error = cdsetmode(periph, ¶ms); 2008 free(params.mode_buf, M_SCSICD); 2009 if (error) { 2010 cam_periph_unlock(periph); 2011 break; 2012 } 2013 error = cdplaymsf(periph, 2014 args->start_m, 2015 args->start_s, 2016 args->start_f, 2017 args->end_m, 2018 args->end_s, 2019 args->end_f); 2020 cam_periph_unlock(periph); 2021 } 2022 break; 2023 case CDIOCPLAYBLOCKS: 2024 { 2025 struct ioc_play_blocks *args 2026 = (struct ioc_play_blocks *) addr; 2027 struct cd_mode_params params; 2028 union cd_pages *page; 2029 2030 params.alloc_len = sizeof(union cd_mode_data_6_10); 2031 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2032 M_WAITOK | M_ZERO); 2033 2034 cam_periph_lock(periph); 2035 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2036 ("trying to do CDIOCPLAYBLOCKS\n")); 2037 2038 2039 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2040 if (error) { 2041 free(params.mode_buf, M_SCSICD); 2042 cam_periph_unlock(periph); 2043 break; 2044 } 2045 page = cdgetpage(¶ms); 2046 2047 page->audio.flags &= ~CD_PA_SOTC; 2048 page->audio.flags |= CD_PA_IMMED; 2049 error = cdsetmode(periph, ¶ms); 2050 free(params.mode_buf, M_SCSICD); 2051 if (error) { 2052 cam_periph_unlock(periph); 2053 break; 2054 } 2055 error = cdplay(periph, args->blk, args->len); 2056 cam_periph_unlock(periph); 2057 } 2058 break; 2059 case CDIOCREADSUBCHANNEL_SYSSPACE: 2060 nocopyout = 1; 2061 /* Fallthrough */ 2062 case CDIOCREADSUBCHANNEL: 2063 { 2064 struct ioc_read_subchannel *args 2065 = (struct ioc_read_subchannel *) addr; 2066 struct cd_sub_channel_info *data; 2067 u_int32_t len = args->data_len; 2068 2069 data = malloc(sizeof(struct cd_sub_channel_info), 2070 M_SCSICD, M_WAITOK); 2071 2072 cam_periph_lock(periph); 2073 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2074 ("trying to do CDIOCREADSUBCHANNEL\n")); 2075 2076 if ((len > sizeof(struct cd_sub_channel_info)) || 2077 (len < sizeof(struct cd_sub_channel_header))) { 2078 printf( 2079 "scsi_cd: cdioctl: " 2080 "cdioreadsubchannel: error, len=%d\n", 2081 len); 2082 error = EINVAL; 2083 free(data, M_SCSICD); 2084 cam_periph_unlock(periph); 2085 break; 2086 } 2087 2088 if (softc->quirks & CD_Q_BCD_TRACKS) 2089 args->track = bin2bcd(args->track); 2090 2091 error = cdreadsubchannel(periph, args->address_format, 2092 args->data_format, args->track, data, len); 2093 2094 if (error) { 2095 free(data, M_SCSICD); 2096 cam_periph_unlock(periph); 2097 break; 2098 } 2099 if (softc->quirks & CD_Q_BCD_TRACKS) 2100 data->what.track_info.track_number = 2101 bcd2bin(data->what.track_info.track_number); 2102 len = min(len, ((data->header.data_len[0] << 8) + 2103 data->header.data_len[1] + 2104 sizeof(struct cd_sub_channel_header))); 2105 cam_periph_unlock(periph); 2106 if (nocopyout == 0) { 2107 if (copyout(data, args->data, len) != 0) { 2108 error = EFAULT; 2109 } 2110 } else { 2111 bcopy(data, args->data, len); 2112 } 2113 free(data, M_SCSICD); 2114 } 2115 break; 2116 2117 case CDIOREADTOCHEADER: 2118 { 2119 struct ioc_toc_header *th; 2120 2121 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2122 M_WAITOK); 2123 2124 cam_periph_lock(periph); 2125 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2126 ("trying to do CDIOREADTOCHEADER\n")); 2127 2128 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2129 sizeof (*th), /*sense_flags*/0); 2130 if (error) { 2131 free(th, M_SCSICD); 2132 cam_periph_unlock(periph); 2133 break; 2134 } 2135 if (softc->quirks & CD_Q_BCD_TRACKS) { 2136 /* we are going to have to convert the BCD 2137 * encoding on the cd to what is expected 2138 */ 2139 th->starting_track = 2140 bcd2bin(th->starting_track); 2141 th->ending_track = bcd2bin(th->ending_track); 2142 } 2143 th->len = ntohs(th->len); 2144 bcopy(th, addr, sizeof(*th)); 2145 free(th, M_SCSICD); 2146 cam_periph_unlock(periph); 2147 } 2148 break; 2149 case CDIOREADTOCENTRYS: 2150 { 2151 struct cd_tocdata *data; 2152 struct cd_toc_single *lead; 2153 struct ioc_read_toc_entry *te = 2154 (struct ioc_read_toc_entry *) addr; 2155 struct ioc_toc_header *th; 2156 u_int32_t len, readlen, idx, num; 2157 u_int32_t starting_track = te->starting_track; 2158 2159 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2160 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2161 2162 cam_periph_lock(periph); 2163 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2164 ("trying to do CDIOREADTOCENTRYS\n")); 2165 2166 if (te->data_len < sizeof(struct cd_toc_entry) 2167 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2168 || (te->address_format != CD_MSF_FORMAT 2169 && te->address_format != CD_LBA_FORMAT)) { 2170 error = EINVAL; 2171 printf("scsi_cd: error in readtocentries, " 2172 "returning EINVAL\n"); 2173 free(data, M_SCSICD); 2174 free(lead, M_SCSICD); 2175 cam_periph_unlock(periph); 2176 break; 2177 } 2178 2179 th = &data->header; 2180 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2181 sizeof (*th), /*sense_flags*/0); 2182 if (error) { 2183 free(data, M_SCSICD); 2184 free(lead, M_SCSICD); 2185 cam_periph_unlock(periph); 2186 break; 2187 } 2188 2189 if (softc->quirks & CD_Q_BCD_TRACKS) { 2190 /* we are going to have to convert the BCD 2191 * encoding on the cd to what is expected 2192 */ 2193 th->starting_track = 2194 bcd2bin(th->starting_track); 2195 th->ending_track = bcd2bin(th->ending_track); 2196 } 2197 2198 if (starting_track == 0) 2199 starting_track = th->starting_track; 2200 else if (starting_track == LEADOUT) 2201 starting_track = th->ending_track + 1; 2202 else if (starting_track < th->starting_track || 2203 starting_track > th->ending_track + 1) { 2204 printf("scsi_cd: error in readtocentries, " 2205 "returning EINVAL\n"); 2206 free(data, M_SCSICD); 2207 free(lead, M_SCSICD); 2208 cam_periph_unlock(periph); 2209 error = EINVAL; 2210 break; 2211 } 2212 2213 /* calculate reading length without leadout entry */ 2214 readlen = (th->ending_track - starting_track + 1) * 2215 sizeof(struct cd_toc_entry); 2216 2217 /* and with leadout entry */ 2218 len = readlen + sizeof(struct cd_toc_entry); 2219 if (te->data_len < len) { 2220 len = te->data_len; 2221 if (readlen > len) 2222 readlen = len; 2223 } 2224 if (len > sizeof(data->entries)) { 2225 printf("scsi_cd: error in readtocentries, " 2226 "returning EINVAL\n"); 2227 error = EINVAL; 2228 free(data, M_SCSICD); 2229 free(lead, M_SCSICD); 2230 cam_periph_unlock(periph); 2231 break; 2232 } 2233 num = len / sizeof(struct cd_toc_entry); 2234 2235 if (readlen > 0) { 2236 error = cdreadtoc(periph, te->address_format, 2237 starting_track, 2238 (u_int8_t *)data, 2239 readlen + sizeof (*th), 2240 /*sense_flags*/0); 2241 if (error) { 2242 free(data, M_SCSICD); 2243 free(lead, M_SCSICD); 2244 cam_periph_unlock(periph); 2245 break; 2246 } 2247 } 2248 2249 /* make leadout entry if needed */ 2250 idx = starting_track + num - 1; 2251 if (softc->quirks & CD_Q_BCD_TRACKS) 2252 th->ending_track = bcd2bin(th->ending_track); 2253 if (idx == th->ending_track + 1) { 2254 error = cdreadtoc(periph, te->address_format, 2255 LEADOUT, (u_int8_t *)lead, 2256 sizeof(*lead), 2257 /*sense_flags*/0); 2258 if (error) { 2259 free(data, M_SCSICD); 2260 free(lead, M_SCSICD); 2261 cam_periph_unlock(periph); 2262 break; 2263 } 2264 data->entries[idx - starting_track] = 2265 lead->entry; 2266 } 2267 if (softc->quirks & CD_Q_BCD_TRACKS) { 2268 for (idx = 0; idx < num - 1; idx++) { 2269 data->entries[idx].track = 2270 bcd2bin(data->entries[idx].track); 2271 } 2272 } 2273 2274 cam_periph_unlock(periph); 2275 error = copyout(data->entries, te->data, len); 2276 free(data, M_SCSICD); 2277 free(lead, M_SCSICD); 2278 } 2279 break; 2280 case CDIOREADTOCENTRY: 2281 { 2282 struct cd_toc_single *data; 2283 struct ioc_read_toc_single_entry *te = 2284 (struct ioc_read_toc_single_entry *) addr; 2285 struct ioc_toc_header *th; 2286 u_int32_t track; 2287 2288 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2289 2290 cam_periph_lock(periph); 2291 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2292 ("trying to do CDIOREADTOCENTRY\n")); 2293 2294 if (te->address_format != CD_MSF_FORMAT 2295 && te->address_format != CD_LBA_FORMAT) { 2296 printf("error in readtocentry, " 2297 " returning EINVAL\n"); 2298 free(data, M_SCSICD); 2299 error = EINVAL; 2300 cam_periph_unlock(periph); 2301 break; 2302 } 2303 2304 th = &data->header; 2305 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2306 sizeof (*th), /*sense_flags*/0); 2307 if (error) { 2308 free(data, M_SCSICD); 2309 cam_periph_unlock(periph); 2310 break; 2311 } 2312 2313 if (softc->quirks & CD_Q_BCD_TRACKS) { 2314 /* we are going to have to convert the BCD 2315 * encoding on the cd to what is expected 2316 */ 2317 th->starting_track = 2318 bcd2bin(th->starting_track); 2319 th->ending_track = bcd2bin(th->ending_track); 2320 } 2321 track = te->track; 2322 if (track == 0) 2323 track = th->starting_track; 2324 else if (track == LEADOUT) 2325 /* OK */; 2326 else if (track < th->starting_track || 2327 track > th->ending_track + 1) { 2328 printf("error in readtocentry, " 2329 " returning EINVAL\n"); 2330 free(data, M_SCSICD); 2331 error = EINVAL; 2332 cam_periph_unlock(periph); 2333 break; 2334 } 2335 2336 error = cdreadtoc(periph, te->address_format, track, 2337 (u_int8_t *)data, sizeof(*data), 2338 /*sense_flags*/0); 2339 if (error) { 2340 free(data, M_SCSICD); 2341 cam_periph_unlock(periph); 2342 break; 2343 } 2344 2345 if (softc->quirks & CD_Q_BCD_TRACKS) 2346 data->entry.track = bcd2bin(data->entry.track); 2347 bcopy(&data->entry, &te->entry, 2348 sizeof(struct cd_toc_entry)); 2349 free(data, M_SCSICD); 2350 cam_periph_unlock(periph); 2351 } 2352 break; 2353 case CDIOCSETPATCH: 2354 { 2355 struct ioc_patch *arg = (struct ioc_patch *)addr; 2356 struct cd_mode_params params; 2357 union cd_pages *page; 2358 2359 params.alloc_len = sizeof(union cd_mode_data_6_10); 2360 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2361 M_WAITOK | M_ZERO); 2362 2363 cam_periph_lock(periph); 2364 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2365 ("trying to do CDIOCSETPATCH\n")); 2366 2367 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2368 if (error) { 2369 free(params.mode_buf, M_SCSICD); 2370 cam_periph_unlock(periph); 2371 break; 2372 } 2373 page = cdgetpage(¶ms); 2374 2375 page->audio.port[LEFT_PORT].channels = 2376 arg->patch[0]; 2377 page->audio.port[RIGHT_PORT].channels = 2378 arg->patch[1]; 2379 page->audio.port[2].channels = arg->patch[2]; 2380 page->audio.port[3].channels = arg->patch[3]; 2381 error = cdsetmode(periph, ¶ms); 2382 free(params.mode_buf, M_SCSICD); 2383 cam_periph_unlock(periph); 2384 } 2385 break; 2386 case CDIOCGETVOL: 2387 { 2388 struct ioc_vol *arg = (struct ioc_vol *) addr; 2389 struct cd_mode_params params; 2390 union cd_pages *page; 2391 2392 params.alloc_len = sizeof(union cd_mode_data_6_10); 2393 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2394 M_WAITOK | M_ZERO); 2395 2396 cam_periph_lock(periph); 2397 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2398 ("trying to do CDIOCGETVOL\n")); 2399 2400 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2401 if (error) { 2402 free(params.mode_buf, M_SCSICD); 2403 cam_periph_unlock(periph); 2404 break; 2405 } 2406 page = cdgetpage(¶ms); 2407 2408 arg->vol[LEFT_PORT] = 2409 page->audio.port[LEFT_PORT].volume; 2410 arg->vol[RIGHT_PORT] = 2411 page->audio.port[RIGHT_PORT].volume; 2412 arg->vol[2] = page->audio.port[2].volume; 2413 arg->vol[3] = page->audio.port[3].volume; 2414 free(params.mode_buf, M_SCSICD); 2415 cam_periph_unlock(periph); 2416 } 2417 break; 2418 case CDIOCSETVOL: 2419 { 2420 struct ioc_vol *arg = (struct ioc_vol *) addr; 2421 struct cd_mode_params params; 2422 union cd_pages *page; 2423 2424 params.alloc_len = sizeof(union cd_mode_data_6_10); 2425 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2426 M_WAITOK | M_ZERO); 2427 2428 cam_periph_lock(periph); 2429 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2430 ("trying to do CDIOCSETVOL\n")); 2431 2432 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2433 if (error) { 2434 free(params.mode_buf, M_SCSICD); 2435 cam_periph_unlock(periph); 2436 break; 2437 } 2438 page = cdgetpage(¶ms); 2439 2440 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2441 page->audio.port[LEFT_PORT].volume = 2442 arg->vol[LEFT_PORT]; 2443 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2444 page->audio.port[RIGHT_PORT].volume = 2445 arg->vol[RIGHT_PORT]; 2446 page->audio.port[2].volume = arg->vol[2]; 2447 page->audio.port[3].volume = arg->vol[3]; 2448 error = cdsetmode(periph, ¶ms); 2449 cam_periph_unlock(periph); 2450 free(params.mode_buf, M_SCSICD); 2451 } 2452 break; 2453 case CDIOCSETMONO: 2454 { 2455 struct cd_mode_params params; 2456 union cd_pages *page; 2457 2458 params.alloc_len = sizeof(union cd_mode_data_6_10); 2459 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2460 M_WAITOK | M_ZERO); 2461 2462 cam_periph_lock(periph); 2463 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2464 ("trying to do CDIOCSETMONO\n")); 2465 2466 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2467 if (error) { 2468 free(params.mode_buf, M_SCSICD); 2469 cam_periph_unlock(periph); 2470 break; 2471 } 2472 page = cdgetpage(¶ms); 2473 2474 page->audio.port[LEFT_PORT].channels = 2475 LEFT_CHANNEL | RIGHT_CHANNEL; 2476 page->audio.port[RIGHT_PORT].channels = 2477 LEFT_CHANNEL | RIGHT_CHANNEL; 2478 page->audio.port[2].channels = 0; 2479 page->audio.port[3].channels = 0; 2480 error = cdsetmode(periph, ¶ms); 2481 cam_periph_unlock(periph); 2482 free(params.mode_buf, M_SCSICD); 2483 } 2484 break; 2485 case CDIOCSETSTEREO: 2486 { 2487 struct cd_mode_params params; 2488 union cd_pages *page; 2489 2490 params.alloc_len = sizeof(union cd_mode_data_6_10); 2491 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2492 M_WAITOK | M_ZERO); 2493 2494 cam_periph_lock(periph); 2495 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2496 ("trying to do CDIOCSETSTEREO\n")); 2497 2498 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2499 if (error) { 2500 free(params.mode_buf, M_SCSICD); 2501 cam_periph_unlock(periph); 2502 break; 2503 } 2504 page = cdgetpage(¶ms); 2505 2506 page->audio.port[LEFT_PORT].channels = 2507 LEFT_CHANNEL; 2508 page->audio.port[RIGHT_PORT].channels = 2509 RIGHT_CHANNEL; 2510 page->audio.port[2].channels = 0; 2511 page->audio.port[3].channels = 0; 2512 error = cdsetmode(periph, ¶ms); 2513 free(params.mode_buf, M_SCSICD); 2514 cam_periph_unlock(periph); 2515 } 2516 break; 2517 case CDIOCSETMUTE: 2518 { 2519 struct cd_mode_params params; 2520 union cd_pages *page; 2521 2522 params.alloc_len = sizeof(union cd_mode_data_6_10); 2523 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2524 M_WAITOK | M_ZERO); 2525 2526 cam_periph_lock(periph); 2527 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2528 ("trying to do CDIOCSETMUTE\n")); 2529 2530 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2531 if (error) { 2532 free(¶ms, M_SCSICD); 2533 cam_periph_unlock(periph); 2534 break; 2535 } 2536 page = cdgetpage(¶ms); 2537 2538 page->audio.port[LEFT_PORT].channels = 0; 2539 page->audio.port[RIGHT_PORT].channels = 0; 2540 page->audio.port[2].channels = 0; 2541 page->audio.port[3].channels = 0; 2542 error = cdsetmode(periph, ¶ms); 2543 free(params.mode_buf, M_SCSICD); 2544 cam_periph_unlock(periph); 2545 } 2546 break; 2547 case CDIOCSETLEFT: 2548 { 2549 struct cd_mode_params params; 2550 union cd_pages *page; 2551 2552 params.alloc_len = sizeof(union cd_mode_data_6_10); 2553 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2554 M_WAITOK | M_ZERO); 2555 2556 cam_periph_lock(periph); 2557 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2558 ("trying to do CDIOCSETLEFT\n")); 2559 2560 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2561 if (error) { 2562 free(params.mode_buf, M_SCSICD); 2563 cam_periph_unlock(periph); 2564 break; 2565 } 2566 page = cdgetpage(¶ms); 2567 2568 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2569 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2570 page->audio.port[2].channels = 0; 2571 page->audio.port[3].channels = 0; 2572 error = cdsetmode(periph, ¶ms); 2573 free(params.mode_buf, M_SCSICD); 2574 cam_periph_unlock(periph); 2575 } 2576 break; 2577 case CDIOCSETRIGHT: 2578 { 2579 struct cd_mode_params params; 2580 union cd_pages *page; 2581 2582 params.alloc_len = sizeof(union cd_mode_data_6_10); 2583 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2584 M_WAITOK | M_ZERO); 2585 2586 cam_periph_lock(periph); 2587 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2588 ("trying to do CDIOCSETRIGHT\n")); 2589 2590 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2591 if (error) { 2592 free(params.mode_buf, M_SCSICD); 2593 cam_periph_unlock(periph); 2594 break; 2595 } 2596 page = cdgetpage(¶ms); 2597 2598 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2599 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2600 page->audio.port[2].channels = 0; 2601 page->audio.port[3].channels = 0; 2602 error = cdsetmode(periph, ¶ms); 2603 free(params.mode_buf, M_SCSICD); 2604 cam_periph_unlock(periph); 2605 } 2606 break; 2607 case CDIOCRESUME: 2608 cam_periph_lock(periph); 2609 error = cdpause(periph, 1); 2610 cam_periph_unlock(periph); 2611 break; 2612 case CDIOCPAUSE: 2613 cam_periph_lock(periph); 2614 error = cdpause(periph, 0); 2615 cam_periph_unlock(periph); 2616 break; 2617 case CDIOCSTART: 2618 cam_periph_lock(periph); 2619 error = cdstartunit(periph, 0); 2620 cam_periph_unlock(periph); 2621 break; 2622 case CDIOCCLOSE: 2623 cam_periph_lock(periph); 2624 error = cdstartunit(periph, 1); 2625 cam_periph_unlock(periph); 2626 break; 2627 case CDIOCSTOP: 2628 cam_periph_lock(periph); 2629 error = cdstopunit(periph, 0); 2630 cam_periph_unlock(periph); 2631 break; 2632 case CDIOCEJECT: 2633 cam_periph_lock(periph); 2634 error = cdstopunit(periph, 1); 2635 cam_periph_unlock(periph); 2636 break; 2637 case CDIOCALLOW: 2638 cam_periph_lock(periph); 2639 cdprevent(periph, PR_ALLOW); 2640 cam_periph_unlock(periph); 2641 break; 2642 case CDIOCPREVENT: 2643 cam_periph_lock(periph); 2644 cdprevent(periph, PR_PREVENT); 2645 cam_periph_unlock(periph); 2646 break; 2647 case CDIOCSETDEBUG: 2648 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2649 error = ENOTTY; 2650 break; 2651 case CDIOCCLRDEBUG: 2652 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2653 error = ENOTTY; 2654 break; 2655 case CDIOCRESET: 2656 /* return (cd_reset(periph)); */ 2657 error = ENOTTY; 2658 break; 2659 case CDRIOCREADSPEED: 2660 cam_periph_lock(periph); 2661 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2662 cam_periph_unlock(periph); 2663 break; 2664 case CDRIOCWRITESPEED: 2665 cam_periph_lock(periph); 2666 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2667 cam_periph_unlock(periph); 2668 break; 2669 case DVDIOCSENDKEY: 2670 case DVDIOCREPORTKEY: { 2671 struct dvd_authinfo *authinfo; 2672 2673 authinfo = (struct dvd_authinfo *)addr; 2674 2675 cam_periph_lock(periph); 2676 if (cmd == DVDIOCREPORTKEY) 2677 error = cdreportkey(periph, authinfo); 2678 else 2679 error = cdsendkey(periph, authinfo); 2680 cam_periph_unlock(periph); 2681 break; 2682 } 2683 case DVDIOCREADSTRUCTURE: { 2684 struct dvd_struct *dvdstruct; 2685 2686 dvdstruct = (struct dvd_struct *)addr; 2687 2688 cam_periph_lock(periph); 2689 error = cdreaddvdstructure(periph, dvdstruct); 2690 cam_periph_unlock(periph); 2691 2692 break; 2693 } 2694 default: 2695 cam_periph_lock(periph); 2696 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2697 cam_periph_unlock(periph); 2698 break; 2699 } 2700 2701 cam_periph_lock(periph); 2702 cam_periph_unhold(periph); 2703 2704 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2705 if (error && bootverbose) { 2706 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2707 } 2708 cam_periph_unlock(periph); 2709 2710 return (error); 2711 } 2712 2713 static void 2714 cdprevent(struct cam_periph *periph, int action) 2715 { 2716 union ccb *ccb; 2717 struct cd_softc *softc; 2718 int error; 2719 2720 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2721 2722 softc = (struct cd_softc *)periph->softc; 2723 2724 if (((action == PR_ALLOW) 2725 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2726 || ((action == PR_PREVENT) 2727 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2728 return; 2729 } 2730 2731 ccb = cdgetccb(periph, /* priority */ 1); 2732 2733 scsi_prevent(&ccb->csio, 2734 /*retries*/ 1, 2735 cddone, 2736 MSG_SIMPLE_Q_TAG, 2737 action, 2738 SSD_FULL_SIZE, 2739 /* timeout */60000); 2740 2741 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2742 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2743 2744 xpt_release_ccb(ccb); 2745 2746 if (error == 0) { 2747 if (action == PR_ALLOW) 2748 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2749 else 2750 softc->flags |= CD_FLAG_DISC_LOCKED; 2751 } 2752 } 2753 2754 /* 2755 * XXX: the disk media and sector size is only really able to change 2756 * XXX: while the device is closed. 2757 */ 2758 static int 2759 cdcheckmedia(struct cam_periph *periph) 2760 { 2761 struct cd_softc *softc; 2762 struct ioc_toc_header *toch; 2763 struct cd_toc_single leadout; 2764 u_int32_t size, toclen; 2765 int error, num_entries, cdindex; 2766 2767 softc = (struct cd_softc *)periph->softc; 2768 2769 cdprevent(periph, PR_PREVENT); 2770 softc->disk->d_maxsize = DFLTPHYS; 2771 softc->disk->d_sectorsize = 2048; 2772 softc->disk->d_mediasize = 0; 2773 2774 /* 2775 * Get the disc size and block size. If we can't get it, we don't 2776 * have media, most likely. 2777 */ 2778 if ((error = cdsize(periph, &size)) != 0) { 2779 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2780 cdprevent(periph, PR_ALLOW); 2781 return (error); 2782 } else 2783 softc->flags |= CD_FLAG_VALID_MEDIA; 2784 2785 /* 2786 * Now we check the table of contents. This (currently) is only 2787 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2788 * things like present a separate entry in /dev for each track, 2789 * like that acd(4) driver does. 2790 */ 2791 bzero(&softc->toc, sizeof(softc->toc)); 2792 toch = &softc->toc.header; 2793 /* 2794 * We will get errors here for media that doesn't have a table of 2795 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2796 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2797 * has not been recorded (no complete session) and the Format codes 2798 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2799 * with an INVALID FIELD IN CDB. Devices that are not capable of 2800 * reading an incomplete session on DDC/CD-R/RW media shall report 2801 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2802 * 2803 * So this isn't fatal if we can't read the table of contents, it 2804 * just means that the user won't be able to issue the play tracks 2805 * ioctl, and likely lots of other stuff won't work either. They 2806 * need to burn the CD before we can do a whole lot with it. So 2807 * we don't print anything here if we get an error back. 2808 */ 2809 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2810 SF_NO_PRINT); 2811 /* 2812 * Errors in reading the table of contents aren't fatal, we just 2813 * won't have a valid table of contents cached. 2814 */ 2815 if (error != 0) { 2816 error = 0; 2817 bzero(&softc->toc, sizeof(softc->toc)); 2818 goto bailout; 2819 } 2820 2821 if (softc->quirks & CD_Q_BCD_TRACKS) { 2822 toch->starting_track = bcd2bin(toch->starting_track); 2823 toch->ending_track = bcd2bin(toch->ending_track); 2824 } 2825 2826 /* Number of TOC entries, plus leadout */ 2827 num_entries = (toch->ending_track - toch->starting_track) + 2; 2828 2829 if (num_entries <= 0) 2830 goto bailout; 2831 2832 toclen = num_entries * sizeof(struct cd_toc_entry); 2833 2834 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2835 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2836 SF_NO_PRINT); 2837 if (error != 0) { 2838 error = 0; 2839 bzero(&softc->toc, sizeof(softc->toc)); 2840 goto bailout; 2841 } 2842 2843 if (softc->quirks & CD_Q_BCD_TRACKS) { 2844 toch->starting_track = bcd2bin(toch->starting_track); 2845 toch->ending_track = bcd2bin(toch->ending_track); 2846 } 2847 /* 2848 * XXX KDM is this necessary? Probably only if the drive doesn't 2849 * return leadout information with the table of contents. 2850 */ 2851 cdindex = toch->starting_track + num_entries -1; 2852 if (cdindex == toch->ending_track + 1) { 2853 2854 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2855 (u_int8_t *)&leadout, sizeof(leadout), 2856 SF_NO_PRINT); 2857 if (error != 0) { 2858 error = 0; 2859 goto bailout; 2860 } 2861 softc->toc.entries[cdindex - toch->starting_track] = 2862 leadout.entry; 2863 } 2864 if (softc->quirks & CD_Q_BCD_TRACKS) { 2865 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2866 softc->toc.entries[cdindex].track = 2867 bcd2bin(softc->toc.entries[cdindex].track); 2868 } 2869 } 2870 2871 softc->flags |= CD_FLAG_VALID_TOC; 2872 softc->disk->d_maxsize = DFLTPHYS; 2873 softc->disk->d_sectorsize = softc->params.blksize; 2874 softc->disk->d_mediasize = 2875 (off_t)softc->params.blksize * softc->params.disksize; 2876 2877 bailout: 2878 2879 /* 2880 * We unconditionally (re)set the blocksize each time the 2881 * CD device is opened. This is because the CD can change, 2882 * and therefore the blocksize might change. 2883 * XXX problems here if some slice or partition is still 2884 * open with the old size? 2885 */ 2886 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2887 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2888 softc->disk->d_devstat->block_size = softc->params.blksize; 2889 2890 return (error); 2891 } 2892 2893 static int 2894 cdsize(struct cam_periph *periph, u_int32_t *size) 2895 { 2896 struct cd_softc *softc; 2897 union ccb *ccb; 2898 struct scsi_read_capacity_data *rcap_buf; 2899 int error; 2900 2901 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2902 2903 softc = (struct cd_softc *)periph->softc; 2904 2905 ccb = cdgetccb(periph, /* priority */ 1); 2906 2907 /* XXX Should be M_WAITOK */ 2908 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2909 M_SCSICD, M_NOWAIT); 2910 if (rcap_buf == NULL) 2911 return (ENOMEM); 2912 2913 scsi_read_capacity(&ccb->csio, 2914 /*retries*/ 1, 2915 cddone, 2916 MSG_SIMPLE_Q_TAG, 2917 rcap_buf, 2918 SSD_FULL_SIZE, 2919 /* timeout */20000); 2920 2921 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2922 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2923 2924 xpt_release_ccb(ccb); 2925 2926 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2927 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2928 /* 2929 * SCSI-3 mandates that the reported blocksize shall be 2048. 2930 * Older drives sometimes report funny values, trim it down to 2931 * 2048, or other parts of the kernel will get confused. 2932 * 2933 * XXX we leave drives alone that might report 512 bytes, as 2934 * well as drives reporting more weird sizes like perhaps 4K. 2935 */ 2936 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2937 softc->params.blksize = 2048; 2938 2939 free(rcap_buf, M_SCSICD); 2940 *size = softc->params.disksize; 2941 2942 return (error); 2943 2944 } 2945 2946 static int 2947 cd6byteworkaround(union ccb *ccb) 2948 { 2949 u_int8_t *cdb; 2950 struct cam_periph *periph; 2951 struct cd_softc *softc; 2952 struct cd_mode_params *params; 2953 int frozen, found; 2954 2955 periph = xpt_path_periph(ccb->ccb_h.path); 2956 softc = (struct cd_softc *)periph->softc; 2957 2958 cdb = ccb->csio.cdb_io.cdb_bytes; 2959 2960 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2961 || ((cdb[0] != MODE_SENSE_6) 2962 && (cdb[0] != MODE_SELECT_6))) 2963 return (0); 2964 2965 /* 2966 * Because there is no convenient place to stash the overall 2967 * cd_mode_params structure pointer, we have to grab it like this. 2968 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2969 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2970 * 2971 * XXX It would be nice if, at some point, we could increase the 2972 * number of available peripheral private pointers. Both pointers 2973 * are currently used in most every peripheral driver. 2974 */ 2975 found = 0; 2976 2977 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2978 if (params->mode_buf == ccb->csio.data_ptr) { 2979 found = 1; 2980 break; 2981 } 2982 } 2983 2984 /* 2985 * This shouldn't happen. All mode sense and mode select 2986 * operations in the cd(4) driver MUST go through cdgetmode() and 2987 * cdsetmode()! 2988 */ 2989 if (found == 0) { 2990 xpt_print(periph->path, 2991 "mode buffer not found in mode queue!\n"); 2992 return (0); 2993 } 2994 2995 params->cdb_size = 10; 2996 softc->minimum_command_size = 10; 2997 xpt_print(ccb->ccb_h.path, 2998 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2999 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3000 3001 if (cdb[0] == MODE_SENSE_6) { 3002 struct scsi_mode_sense_10 ms10; 3003 struct scsi_mode_sense_6 *ms6; 3004 int len; 3005 3006 ms6 = (struct scsi_mode_sense_6 *)cdb; 3007 3008 bzero(&ms10, sizeof(ms10)); 3009 ms10.opcode = MODE_SENSE_10; 3010 ms10.byte2 = ms6->byte2; 3011 ms10.page = ms6->page; 3012 3013 /* 3014 * 10 byte mode header, block descriptor, 3015 * sizeof(union cd_pages) 3016 */ 3017 len = sizeof(struct cd_mode_data_10); 3018 ccb->csio.dxfer_len = len; 3019 3020 scsi_ulto2b(len, ms10.length); 3021 ms10.control = ms6->control; 3022 bcopy(&ms10, cdb, 10); 3023 ccb->csio.cdb_len = 10; 3024 } else { 3025 struct scsi_mode_select_10 ms10; 3026 struct scsi_mode_select_6 *ms6; 3027 struct scsi_mode_header_6 *header6; 3028 struct scsi_mode_header_10 *header10; 3029 struct scsi_mode_page_header *page_header; 3030 int blk_desc_len, page_num, page_size, len; 3031 3032 ms6 = (struct scsi_mode_select_6 *)cdb; 3033 3034 bzero(&ms10, sizeof(ms10)); 3035 ms10.opcode = MODE_SELECT_10; 3036 ms10.byte2 = ms6->byte2; 3037 3038 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3039 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3040 3041 page_header = find_mode_page_6(header6); 3042 page_num = page_header->page_code; 3043 3044 blk_desc_len = header6->blk_desc_len; 3045 3046 page_size = cdgetpagesize(page_num); 3047 3048 if (page_size != (page_header->page_length + 3049 sizeof(*page_header))) 3050 page_size = page_header->page_length + 3051 sizeof(*page_header); 3052 3053 len = sizeof(*header10) + blk_desc_len + page_size; 3054 3055 len = min(params->alloc_len, len); 3056 3057 /* 3058 * Since the 6 byte parameter header is shorter than the 10 3059 * byte parameter header, we need to copy the actual mode 3060 * page data, and the block descriptor, if any, so things wind 3061 * up in the right place. The regions will overlap, but 3062 * bcopy() does the right thing. 3063 */ 3064 bcopy(params->mode_buf + sizeof(*header6), 3065 params->mode_buf + sizeof(*header10), 3066 len - sizeof(*header10)); 3067 3068 /* Make sure these fields are set correctly. */ 3069 scsi_ulto2b(0, header10->data_length); 3070 header10->medium_type = 0; 3071 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3072 3073 ccb->csio.dxfer_len = len; 3074 3075 scsi_ulto2b(len, ms10.length); 3076 ms10.control = ms6->control; 3077 bcopy(&ms10, cdb, 10); 3078 ccb->csio.cdb_len = 10; 3079 } 3080 3081 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3082 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3083 xpt_action(ccb); 3084 if (frozen) { 3085 cam_release_devq(ccb->ccb_h.path, 3086 /*relsim_flags*/0, 3087 /*openings*/0, 3088 /*timeout*/0, 3089 /*getcount_only*/0); 3090 } 3091 3092 return (ERESTART); 3093 } 3094 3095 static int 3096 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3097 { 3098 struct cd_softc *softc; 3099 struct cam_periph *periph; 3100 int error; 3101 3102 periph = xpt_path_periph(ccb->ccb_h.path); 3103 softc = (struct cd_softc *)periph->softc; 3104 3105 error = 0; 3106 3107 /* 3108 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3109 * CDB comes back with this particular error, try transforming it 3110 * into the 10 byte version. 3111 */ 3112 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3113 error = cd6byteworkaround(ccb); 3114 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3115 CAM_SCSI_STATUS_ERROR) 3116 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3117 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3118 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3119 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3120 int sense_key, error_code, asc, ascq; 3121 3122 scsi_extract_sense(&ccb->csio.sense_data, 3123 &error_code, &sense_key, &asc, &ascq); 3124 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3125 error = cd6byteworkaround(ccb); 3126 } 3127 3128 if (error == ERESTART) 3129 return (error); 3130 3131 /* 3132 * XXX 3133 * Until we have a better way of doing pack validation, 3134 * don't treat UAs as errors. 3135 */ 3136 sense_flags |= SF_RETRY_UA; 3137 return (cam_periph_error(ccb, cam_flags, sense_flags, 3138 &softc->saved_ccb)); 3139 } 3140 3141 /* 3142 * Read table of contents 3143 */ 3144 static int 3145 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3146 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3147 { 3148 struct scsi_read_toc *scsi_cmd; 3149 u_int32_t ntoc; 3150 struct ccb_scsiio *csio; 3151 union ccb *ccb; 3152 int error; 3153 3154 ntoc = len; 3155 error = 0; 3156 3157 ccb = cdgetccb(periph, /* priority */ 1); 3158 3159 csio = &ccb->csio; 3160 3161 cam_fill_csio(csio, 3162 /* retries */ 1, 3163 /* cbfcnp */ cddone, 3164 /* flags */ CAM_DIR_IN, 3165 /* tag_action */ MSG_SIMPLE_Q_TAG, 3166 /* data_ptr */ data, 3167 /* dxfer_len */ len, 3168 /* sense_len */ SSD_FULL_SIZE, 3169 sizeof(struct scsi_read_toc), 3170 /* timeout */ 50000); 3171 3172 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3173 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3174 3175 if (mode == CD_MSF_FORMAT) 3176 scsi_cmd->byte2 |= CD_MSF; 3177 scsi_cmd->from_track = start; 3178 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3179 scsi_cmd->data_len[0] = (ntoc) >> 8; 3180 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3181 3182 scsi_cmd->op_code = READ_TOC; 3183 3184 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3185 /*sense_flags*/SF_RETRY_UA | sense_flags); 3186 3187 xpt_release_ccb(ccb); 3188 3189 return(error); 3190 } 3191 3192 static int 3193 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3194 u_int32_t format, int track, 3195 struct cd_sub_channel_info *data, u_int32_t len) 3196 { 3197 struct scsi_read_subchannel *scsi_cmd; 3198 struct ccb_scsiio *csio; 3199 union ccb *ccb; 3200 int error; 3201 3202 error = 0; 3203 3204 ccb = cdgetccb(periph, /* priority */ 1); 3205 3206 csio = &ccb->csio; 3207 3208 cam_fill_csio(csio, 3209 /* retries */ 1, 3210 /* cbfcnp */ cddone, 3211 /* flags */ CAM_DIR_IN, 3212 /* tag_action */ MSG_SIMPLE_Q_TAG, 3213 /* data_ptr */ (u_int8_t *)data, 3214 /* dxfer_len */ len, 3215 /* sense_len */ SSD_FULL_SIZE, 3216 sizeof(struct scsi_read_subchannel), 3217 /* timeout */ 50000); 3218 3219 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3220 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3221 3222 scsi_cmd->op_code = READ_SUBCHANNEL; 3223 if (mode == CD_MSF_FORMAT) 3224 scsi_cmd->byte1 |= CD_MSF; 3225 scsi_cmd->byte2 = SRS_SUBQ; 3226 scsi_cmd->subchan_format = format; 3227 scsi_cmd->track = track; 3228 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3229 scsi_cmd->control = 0; 3230 3231 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3232 /*sense_flags*/SF_RETRY_UA); 3233 3234 xpt_release_ccb(ccb); 3235 3236 return(error); 3237 } 3238 3239 3240 /* 3241 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3242 * routine. See comments in cd6byteworkaround() for details. 3243 */ 3244 static int 3245 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3246 u_int32_t page) 3247 { 3248 struct ccb_scsiio *csio; 3249 struct cd_softc *softc; 3250 union ccb *ccb; 3251 int param_len; 3252 int error; 3253 3254 softc = (struct cd_softc *)periph->softc; 3255 3256 ccb = cdgetccb(periph, /* priority */ 1); 3257 3258 csio = &ccb->csio; 3259 3260 data->cdb_size = softc->minimum_command_size; 3261 if (data->cdb_size < 10) 3262 param_len = sizeof(struct cd_mode_data); 3263 else 3264 param_len = sizeof(struct cd_mode_data_10); 3265 3266 /* Don't say we've got more room than we actually allocated */ 3267 param_len = min(param_len, data->alloc_len); 3268 3269 scsi_mode_sense_len(csio, 3270 /* retries */ 1, 3271 /* cbfcnp */ cddone, 3272 /* tag_action */ MSG_SIMPLE_Q_TAG, 3273 /* dbd */ 0, 3274 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3275 /* page */ page, 3276 /* param_buf */ data->mode_buf, 3277 /* param_len */ param_len, 3278 /* minimum_cmd_size */ softc->minimum_command_size, 3279 /* sense_len */ SSD_FULL_SIZE, 3280 /* timeout */ 50000); 3281 3282 /* 3283 * It would be nice not to have to do this, but there's no 3284 * available pointer in the CCB that would allow us to stuff the 3285 * mode params structure in there and retrieve it in 3286 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3287 * lets the caller know what CDB size we ended up using, so they 3288 * can find the actual mode page offset. 3289 */ 3290 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3291 3292 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3293 /*sense_flags*/SF_RETRY_UA); 3294 3295 xpt_release_ccb(ccb); 3296 3297 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3298 3299 /* 3300 * This is a bit of belt-and-suspenders checking, but if we run 3301 * into a situation where the target sends back multiple block 3302 * descriptors, we might not have enough space in the buffer to 3303 * see the whole mode page. Better to return an error than 3304 * potentially access memory beyond our malloced region. 3305 */ 3306 if (error == 0) { 3307 u_int32_t data_len; 3308 3309 if (data->cdb_size == 10) { 3310 struct scsi_mode_header_10 *hdr10; 3311 3312 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3313 data_len = scsi_2btoul(hdr10->data_length); 3314 data_len += sizeof(hdr10->data_length); 3315 } else { 3316 struct scsi_mode_header_6 *hdr6; 3317 3318 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3319 data_len = hdr6->data_length; 3320 data_len += sizeof(hdr6->data_length); 3321 } 3322 3323 /* 3324 * Complain if there is more mode data available than we 3325 * allocated space for. This could potentially happen if 3326 * we miscalculated the page length for some reason, if the 3327 * drive returns multiple block descriptors, or if it sets 3328 * the data length incorrectly. 3329 */ 3330 if (data_len > data->alloc_len) { 3331 xpt_print(periph->path, "allocated modepage %d length " 3332 "%d < returned length %d\n", page, data->alloc_len, 3333 data_len); 3334 error = ENOSPC; 3335 } 3336 } 3337 return (error); 3338 } 3339 3340 /* 3341 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3342 * routine. See comments in cd6byteworkaround() for details. 3343 */ 3344 static int 3345 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3346 { 3347 struct ccb_scsiio *csio; 3348 struct cd_softc *softc; 3349 union ccb *ccb; 3350 int cdb_size, param_len; 3351 int error; 3352 3353 softc = (struct cd_softc *)periph->softc; 3354 3355 ccb = cdgetccb(periph, /* priority */ 1); 3356 3357 csio = &ccb->csio; 3358 3359 error = 0; 3360 3361 /* 3362 * If the data is formatted for the 10 byte version of the mode 3363 * select parameter list, we need to use the 10 byte CDB. 3364 * Otherwise, we use whatever the stored minimum command size. 3365 */ 3366 if (data->cdb_size == 10) 3367 cdb_size = data->cdb_size; 3368 else 3369 cdb_size = softc->minimum_command_size; 3370 3371 if (cdb_size >= 10) { 3372 struct scsi_mode_header_10 *mode_header; 3373 u_int32_t data_len; 3374 3375 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3376 3377 data_len = scsi_2btoul(mode_header->data_length); 3378 3379 scsi_ulto2b(0, mode_header->data_length); 3380 /* 3381 * SONY drives do not allow a mode select with a medium_type 3382 * value that has just been returned by a mode sense; use a 3383 * medium_type of 0 (Default) instead. 3384 */ 3385 mode_header->medium_type = 0; 3386 3387 /* 3388 * Pass back whatever the drive passed to us, plus the size 3389 * of the data length field. 3390 */ 3391 param_len = data_len + sizeof(mode_header->data_length); 3392 3393 } else { 3394 struct scsi_mode_header_6 *mode_header; 3395 3396 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3397 3398 param_len = mode_header->data_length + 1; 3399 3400 mode_header->data_length = 0; 3401 /* 3402 * SONY drives do not allow a mode select with a medium_type 3403 * value that has just been returned by a mode sense; use a 3404 * medium_type of 0 (Default) instead. 3405 */ 3406 mode_header->medium_type = 0; 3407 } 3408 3409 /* Don't say we've got more room than we actually allocated */ 3410 param_len = min(param_len, data->alloc_len); 3411 3412 scsi_mode_select_len(csio, 3413 /* retries */ 1, 3414 /* cbfcnp */ cddone, 3415 /* tag_action */ MSG_SIMPLE_Q_TAG, 3416 /* scsi_page_fmt */ 1, 3417 /* save_pages */ 0, 3418 /* param_buf */ data->mode_buf, 3419 /* param_len */ param_len, 3420 /* minimum_cmd_size */ cdb_size, 3421 /* sense_len */ SSD_FULL_SIZE, 3422 /* timeout */ 50000); 3423 3424 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3425 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3426 3427 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3428 /*sense_flags*/SF_RETRY_UA); 3429 3430 xpt_release_ccb(ccb); 3431 3432 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3433 3434 return (error); 3435 } 3436 3437 3438 static int 3439 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3440 { 3441 struct ccb_scsiio *csio; 3442 union ccb *ccb; 3443 int error; 3444 u_int8_t cdb_len; 3445 3446 error = 0; 3447 ccb = cdgetccb(periph, /* priority */ 1); 3448 csio = &ccb->csio; 3449 /* 3450 * Use the smallest possible command to perform the operation. 3451 */ 3452 if ((len & 0xffff0000) == 0) { 3453 /* 3454 * We can fit in a 10 byte cdb. 3455 */ 3456 struct scsi_play_10 *scsi_cmd; 3457 3458 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3459 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3460 scsi_cmd->op_code = PLAY_10; 3461 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3462 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3463 cdb_len = sizeof(*scsi_cmd); 3464 } else { 3465 struct scsi_play_12 *scsi_cmd; 3466 3467 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3468 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3469 scsi_cmd->op_code = PLAY_12; 3470 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3471 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3472 cdb_len = sizeof(*scsi_cmd); 3473 } 3474 cam_fill_csio(csio, 3475 /*retries*/2, 3476 cddone, 3477 /*flags*/CAM_DIR_NONE, 3478 MSG_SIMPLE_Q_TAG, 3479 /*dataptr*/NULL, 3480 /*datalen*/0, 3481 /*sense_len*/SSD_FULL_SIZE, 3482 cdb_len, 3483 /*timeout*/50 * 1000); 3484 3485 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3486 /*sense_flags*/SF_RETRY_UA); 3487 3488 xpt_release_ccb(ccb); 3489 3490 return(error); 3491 } 3492 3493 static int 3494 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3495 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3496 { 3497 struct scsi_play_msf *scsi_cmd; 3498 struct ccb_scsiio *csio; 3499 union ccb *ccb; 3500 int error; 3501 3502 error = 0; 3503 3504 ccb = cdgetccb(periph, /* priority */ 1); 3505 3506 csio = &ccb->csio; 3507 3508 cam_fill_csio(csio, 3509 /* retries */ 1, 3510 /* cbfcnp */ cddone, 3511 /* flags */ CAM_DIR_NONE, 3512 /* tag_action */ MSG_SIMPLE_Q_TAG, 3513 /* data_ptr */ NULL, 3514 /* dxfer_len */ 0, 3515 /* sense_len */ SSD_FULL_SIZE, 3516 sizeof(struct scsi_play_msf), 3517 /* timeout */ 50000); 3518 3519 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3520 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3521 3522 scsi_cmd->op_code = PLAY_MSF; 3523 scsi_cmd->start_m = startm; 3524 scsi_cmd->start_s = starts; 3525 scsi_cmd->start_f = startf; 3526 scsi_cmd->end_m = endm; 3527 scsi_cmd->end_s = ends; 3528 scsi_cmd->end_f = endf; 3529 3530 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3531 /*sense_flags*/SF_RETRY_UA); 3532 3533 xpt_release_ccb(ccb); 3534 3535 return(error); 3536 } 3537 3538 3539 static int 3540 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3541 u_int32_t etrack, u_int32_t eindex) 3542 { 3543 struct scsi_play_track *scsi_cmd; 3544 struct ccb_scsiio *csio; 3545 union ccb *ccb; 3546 int error; 3547 3548 error = 0; 3549 3550 ccb = cdgetccb(periph, /* priority */ 1); 3551 3552 csio = &ccb->csio; 3553 3554 cam_fill_csio(csio, 3555 /* retries */ 1, 3556 /* cbfcnp */ cddone, 3557 /* flags */ CAM_DIR_NONE, 3558 /* tag_action */ MSG_SIMPLE_Q_TAG, 3559 /* data_ptr */ NULL, 3560 /* dxfer_len */ 0, 3561 /* sense_len */ SSD_FULL_SIZE, 3562 sizeof(struct scsi_play_track), 3563 /* timeout */ 50000); 3564 3565 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3566 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3567 3568 scsi_cmd->op_code = PLAY_TRACK; 3569 scsi_cmd->start_track = strack; 3570 scsi_cmd->start_index = sindex; 3571 scsi_cmd->end_track = etrack; 3572 scsi_cmd->end_index = eindex; 3573 3574 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3575 /*sense_flags*/SF_RETRY_UA); 3576 3577 xpt_release_ccb(ccb); 3578 3579 return(error); 3580 } 3581 3582 static int 3583 cdpause(struct cam_periph *periph, u_int32_t go) 3584 { 3585 struct scsi_pause *scsi_cmd; 3586 struct ccb_scsiio *csio; 3587 union ccb *ccb; 3588 int error; 3589 3590 error = 0; 3591 3592 ccb = cdgetccb(periph, /* priority */ 1); 3593 3594 csio = &ccb->csio; 3595 3596 cam_fill_csio(csio, 3597 /* retries */ 1, 3598 /* cbfcnp */ cddone, 3599 /* flags */ CAM_DIR_NONE, 3600 /* tag_action */ MSG_SIMPLE_Q_TAG, 3601 /* data_ptr */ NULL, 3602 /* dxfer_len */ 0, 3603 /* sense_len */ SSD_FULL_SIZE, 3604 sizeof(struct scsi_pause), 3605 /* timeout */ 50000); 3606 3607 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3608 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3609 3610 scsi_cmd->op_code = PAUSE; 3611 scsi_cmd->resume = go; 3612 3613 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3614 /*sense_flags*/SF_RETRY_UA); 3615 3616 xpt_release_ccb(ccb); 3617 3618 return(error); 3619 } 3620 3621 static int 3622 cdstartunit(struct cam_periph *periph, int load) 3623 { 3624 union ccb *ccb; 3625 int error; 3626 3627 error = 0; 3628 3629 ccb = cdgetccb(periph, /* priority */ 1); 3630 3631 scsi_start_stop(&ccb->csio, 3632 /* retries */ 1, 3633 /* cbfcnp */ cddone, 3634 /* tag_action */ MSG_SIMPLE_Q_TAG, 3635 /* start */ TRUE, 3636 /* load_eject */ load, 3637 /* immediate */ FALSE, 3638 /* sense_len */ SSD_FULL_SIZE, 3639 /* timeout */ 50000); 3640 3641 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3642 /*sense_flags*/SF_RETRY_UA); 3643 3644 xpt_release_ccb(ccb); 3645 3646 return(error); 3647 } 3648 3649 static int 3650 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3651 { 3652 union ccb *ccb; 3653 int error; 3654 3655 error = 0; 3656 3657 ccb = cdgetccb(periph, /* priority */ 1); 3658 3659 scsi_start_stop(&ccb->csio, 3660 /* retries */ 1, 3661 /* cbfcnp */ cddone, 3662 /* tag_action */ MSG_SIMPLE_Q_TAG, 3663 /* start */ FALSE, 3664 /* load_eject */ eject, 3665 /* immediate */ FALSE, 3666 /* sense_len */ SSD_FULL_SIZE, 3667 /* timeout */ 50000); 3668 3669 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3670 /*sense_flags*/SF_RETRY_UA); 3671 3672 xpt_release_ccb(ccb); 3673 3674 return(error); 3675 } 3676 3677 static int 3678 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3679 { 3680 struct scsi_set_speed *scsi_cmd; 3681 struct ccb_scsiio *csio; 3682 union ccb *ccb; 3683 int error; 3684 3685 error = 0; 3686 ccb = cdgetccb(periph, /* priority */ 1); 3687 csio = &ccb->csio; 3688 3689 /* Preserve old behavior: units in multiples of CDROM speed */ 3690 if (rdspeed < 177) 3691 rdspeed *= 177; 3692 if (wrspeed < 177) 3693 wrspeed *= 177; 3694 3695 cam_fill_csio(csio, 3696 /* retries */ 1, 3697 /* cbfcnp */ cddone, 3698 /* flags */ CAM_DIR_NONE, 3699 /* tag_action */ MSG_SIMPLE_Q_TAG, 3700 /* data_ptr */ NULL, 3701 /* dxfer_len */ 0, 3702 /* sense_len */ SSD_FULL_SIZE, 3703 sizeof(struct scsi_set_speed), 3704 /* timeout */ 50000); 3705 3706 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3707 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3708 3709 scsi_cmd->opcode = SET_CD_SPEED; 3710 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3711 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3712 3713 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3714 /*sense_flags*/SF_RETRY_UA); 3715 3716 xpt_release_ccb(ccb); 3717 3718 return(error); 3719 } 3720 3721 static int 3722 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3723 { 3724 union ccb *ccb; 3725 u_int8_t *databuf; 3726 u_int32_t lba; 3727 int error; 3728 int length; 3729 3730 error = 0; 3731 databuf = NULL; 3732 lba = 0; 3733 3734 ccb = cdgetccb(periph, /* priority */ 1); 3735 3736 switch (authinfo->format) { 3737 case DVD_REPORT_AGID: 3738 length = sizeof(struct scsi_report_key_data_agid); 3739 break; 3740 case DVD_REPORT_CHALLENGE: 3741 length = sizeof(struct scsi_report_key_data_challenge); 3742 break; 3743 case DVD_REPORT_KEY1: 3744 length = sizeof(struct scsi_report_key_data_key1_key2); 3745 break; 3746 case DVD_REPORT_TITLE_KEY: 3747 length = sizeof(struct scsi_report_key_data_title); 3748 /* The lba field is only set for the title key */ 3749 lba = authinfo->lba; 3750 break; 3751 case DVD_REPORT_ASF: 3752 length = sizeof(struct scsi_report_key_data_asf); 3753 break; 3754 case DVD_REPORT_RPC: 3755 length = sizeof(struct scsi_report_key_data_rpc); 3756 break; 3757 case DVD_INVALIDATE_AGID: 3758 length = 0; 3759 break; 3760 default: 3761 error = EINVAL; 3762 goto bailout; 3763 break; /* NOTREACHED */ 3764 } 3765 3766 if (length != 0) { 3767 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3768 } else 3769 databuf = NULL; 3770 3771 3772 scsi_report_key(&ccb->csio, 3773 /* retries */ 1, 3774 /* cbfcnp */ cddone, 3775 /* tag_action */ MSG_SIMPLE_Q_TAG, 3776 /* lba */ lba, 3777 /* agid */ authinfo->agid, 3778 /* key_format */ authinfo->format, 3779 /* data_ptr */ databuf, 3780 /* dxfer_len */ length, 3781 /* sense_len */ SSD_FULL_SIZE, 3782 /* timeout */ 50000); 3783 3784 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3785 /*sense_flags*/SF_RETRY_UA); 3786 3787 if (error != 0) 3788 goto bailout; 3789 3790 if (ccb->csio.resid != 0) { 3791 xpt_print(periph->path, "warning, residual for report key " 3792 "command is %d\n", ccb->csio.resid); 3793 } 3794 3795 switch(authinfo->format) { 3796 case DVD_REPORT_AGID: { 3797 struct scsi_report_key_data_agid *agid_data; 3798 3799 agid_data = (struct scsi_report_key_data_agid *)databuf; 3800 3801 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3802 RKD_AGID_SHIFT; 3803 break; 3804 } 3805 case DVD_REPORT_CHALLENGE: { 3806 struct scsi_report_key_data_challenge *chal_data; 3807 3808 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3809 3810 bcopy(chal_data->challenge_key, authinfo->keychal, 3811 min(sizeof(chal_data->challenge_key), 3812 sizeof(authinfo->keychal))); 3813 break; 3814 } 3815 case DVD_REPORT_KEY1: { 3816 struct scsi_report_key_data_key1_key2 *key1_data; 3817 3818 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3819 3820 bcopy(key1_data->key1, authinfo->keychal, 3821 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3822 break; 3823 } 3824 case DVD_REPORT_TITLE_KEY: { 3825 struct scsi_report_key_data_title *title_data; 3826 3827 title_data = (struct scsi_report_key_data_title *)databuf; 3828 3829 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3830 RKD_TITLE_CPM_SHIFT; 3831 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3832 RKD_TITLE_CP_SEC_SHIFT; 3833 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3834 RKD_TITLE_CMGS_SHIFT; 3835 bcopy(title_data->title_key, authinfo->keychal, 3836 min(sizeof(title_data->title_key), 3837 sizeof(authinfo->keychal))); 3838 break; 3839 } 3840 case DVD_REPORT_ASF: { 3841 struct scsi_report_key_data_asf *asf_data; 3842 3843 asf_data = (struct scsi_report_key_data_asf *)databuf; 3844 3845 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3846 break; 3847 } 3848 case DVD_REPORT_RPC: { 3849 struct scsi_report_key_data_rpc *rpc_data; 3850 3851 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3852 3853 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3854 RKD_RPC_TYPE_SHIFT; 3855 authinfo->vend_rsts = 3856 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3857 RKD_RPC_VENDOR_RESET_SHIFT; 3858 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3859 authinfo->region = rpc_data->region_mask; 3860 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3861 break; 3862 } 3863 case DVD_INVALIDATE_AGID: 3864 break; 3865 default: 3866 /* This should be impossible, since we checked above */ 3867 error = EINVAL; 3868 goto bailout; 3869 break; /* NOTREACHED */ 3870 } 3871 bailout: 3872 if (databuf != NULL) 3873 free(databuf, M_DEVBUF); 3874 3875 xpt_release_ccb(ccb); 3876 3877 return(error); 3878 } 3879 3880 static int 3881 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3882 { 3883 union ccb *ccb; 3884 u_int8_t *databuf; 3885 int length; 3886 int error; 3887 3888 error = 0; 3889 databuf = NULL; 3890 3891 ccb = cdgetccb(periph, /* priority */ 1); 3892 3893 switch(authinfo->format) { 3894 case DVD_SEND_CHALLENGE: { 3895 struct scsi_report_key_data_challenge *challenge_data; 3896 3897 length = sizeof(*challenge_data); 3898 3899 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3900 3901 databuf = (u_int8_t *)challenge_data; 3902 3903 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3904 challenge_data->data_len); 3905 3906 bcopy(authinfo->keychal, challenge_data->challenge_key, 3907 min(sizeof(authinfo->keychal), 3908 sizeof(challenge_data->challenge_key))); 3909 break; 3910 } 3911 case DVD_SEND_KEY2: { 3912 struct scsi_report_key_data_key1_key2 *key2_data; 3913 3914 length = sizeof(*key2_data); 3915 3916 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3917 3918 databuf = (u_int8_t *)key2_data; 3919 3920 scsi_ulto2b(length - sizeof(key2_data->data_len), 3921 key2_data->data_len); 3922 3923 bcopy(authinfo->keychal, key2_data->key1, 3924 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3925 3926 break; 3927 } 3928 case DVD_SEND_RPC: { 3929 struct scsi_send_key_data_rpc *rpc_data; 3930 3931 length = sizeof(*rpc_data); 3932 3933 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3934 3935 databuf = (u_int8_t *)rpc_data; 3936 3937 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3938 rpc_data->data_len); 3939 3940 rpc_data->region_code = authinfo->region; 3941 break; 3942 } 3943 default: 3944 error = EINVAL; 3945 goto bailout; 3946 break; /* NOTREACHED */ 3947 } 3948 3949 scsi_send_key(&ccb->csio, 3950 /* retries */ 1, 3951 /* cbfcnp */ cddone, 3952 /* tag_action */ MSG_SIMPLE_Q_TAG, 3953 /* agid */ authinfo->agid, 3954 /* key_format */ authinfo->format, 3955 /* data_ptr */ databuf, 3956 /* dxfer_len */ length, 3957 /* sense_len */ SSD_FULL_SIZE, 3958 /* timeout */ 50000); 3959 3960 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3961 /*sense_flags*/SF_RETRY_UA); 3962 3963 bailout: 3964 3965 if (databuf != NULL) 3966 free(databuf, M_DEVBUF); 3967 3968 xpt_release_ccb(ccb); 3969 3970 return(error); 3971 } 3972 3973 static int 3974 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3975 { 3976 union ccb *ccb; 3977 u_int8_t *databuf; 3978 u_int32_t address; 3979 int error; 3980 int length; 3981 3982 error = 0; 3983 databuf = NULL; 3984 /* The address is reserved for many of the formats */ 3985 address = 0; 3986 3987 ccb = cdgetccb(periph, /* priority */ 1); 3988 3989 switch(dvdstruct->format) { 3990 case DVD_STRUCT_PHYSICAL: 3991 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3992 break; 3993 case DVD_STRUCT_COPYRIGHT: 3994 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3995 break; 3996 case DVD_STRUCT_DISCKEY: 3997 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3998 break; 3999 case DVD_STRUCT_BCA: 4000 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4001 break; 4002 case DVD_STRUCT_MANUFACT: 4003 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4004 break; 4005 case DVD_STRUCT_CMI: 4006 error = ENODEV; 4007 goto bailout; 4008 #ifdef notyet 4009 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4010 address = dvdstruct->address; 4011 #endif 4012 break; /* NOTREACHED */ 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 error = ENODEV; 4030 goto bailout; 4031 #ifdef notyet 4032 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4033 address = dvdstruct->address; 4034 #endif 4035 break; /* NOTREACHED */ 4036 case DVD_STRUCT_RMD_RMA: 4037 error = ENODEV; 4038 goto bailout; 4039 #ifdef notyet 4040 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4041 address = dvdstruct->address; 4042 #endif 4043 break; /* NOTREACHED */ 4044 case DVD_STRUCT_PRERECORDED: 4045 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4046 break; 4047 case DVD_STRUCT_UNIQUEID: 4048 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4049 break; 4050 case DVD_STRUCT_DCB: 4051 error = ENODEV; 4052 goto bailout; 4053 #ifdef notyet 4054 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4055 address = dvdstruct->address; 4056 #endif 4057 break; /* NOTREACHED */ 4058 case DVD_STRUCT_LIST: 4059 /* 4060 * This is the maximum allocation length for the READ DVD 4061 * STRUCTURE command. There's nothing in the MMC3 spec 4062 * that indicates a limit in the amount of data that can 4063 * be returned from this call, other than the limits 4064 * imposed by the 2-byte length variables. 4065 */ 4066 length = 65535; 4067 break; 4068 default: 4069 error = EINVAL; 4070 goto bailout; 4071 break; /* NOTREACHED */ 4072 } 4073 4074 if (length != 0) { 4075 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4076 } else 4077 databuf = NULL; 4078 4079 scsi_read_dvd_structure(&ccb->csio, 4080 /* retries */ 1, 4081 /* cbfcnp */ cddone, 4082 /* tag_action */ MSG_SIMPLE_Q_TAG, 4083 /* lba */ address, 4084 /* layer_number */ dvdstruct->layer_num, 4085 /* key_format */ dvdstruct->format, 4086 /* agid */ dvdstruct->agid, 4087 /* data_ptr */ databuf, 4088 /* dxfer_len */ length, 4089 /* sense_len */ SSD_FULL_SIZE, 4090 /* timeout */ 50000); 4091 4092 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4093 /*sense_flags*/SF_RETRY_UA); 4094 4095 if (error != 0) 4096 goto bailout; 4097 4098 switch(dvdstruct->format) { 4099 case DVD_STRUCT_PHYSICAL: { 4100 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4101 struct dvd_layer *outlayer; 4102 struct scsi_read_dvd_struct_data_physical *phys_data; 4103 4104 phys_data = 4105 (struct scsi_read_dvd_struct_data_physical *)databuf; 4106 inlayer = &phys_data->layer_desc; 4107 outlayer = (struct dvd_layer *)&dvdstruct->data; 4108 4109 dvdstruct->length = sizeof(*inlayer); 4110 4111 outlayer->book_type = (inlayer->book_type_version & 4112 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4113 outlayer->book_version = (inlayer->book_type_version & 4114 RDSD_BOOK_VERSION_MASK); 4115 outlayer->disc_size = (inlayer->disc_size_max_rate & 4116 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4117 outlayer->max_rate = (inlayer->disc_size_max_rate & 4118 RDSD_MAX_RATE_MASK); 4119 outlayer->nlayers = (inlayer->layer_info & 4120 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4121 outlayer->track_path = (inlayer->layer_info & 4122 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4123 outlayer->layer_type = (inlayer->layer_info & 4124 RDSD_LAYER_TYPE_MASK); 4125 outlayer->linear_density = (inlayer->density & 4126 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4127 outlayer->track_density = (inlayer->density & 4128 RDSD_TRACK_DENSITY_MASK); 4129 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4130 RDSD_BCA_SHIFT; 4131 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4132 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4133 outlayer->end_sector_l0 = 4134 scsi_3btoul(inlayer->end_sector_layer0); 4135 break; 4136 } 4137 case DVD_STRUCT_COPYRIGHT: { 4138 struct scsi_read_dvd_struct_data_copyright *copy_data; 4139 4140 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4141 databuf; 4142 4143 dvdstruct->cpst = copy_data->cps_type; 4144 dvdstruct->rmi = copy_data->region_info; 4145 dvdstruct->length = 0; 4146 4147 break; 4148 } 4149 default: 4150 /* 4151 * Tell the user what the overall length is, no matter 4152 * what we can actually fit in the data buffer. 4153 */ 4154 dvdstruct->length = length - ccb->csio.resid - 4155 sizeof(struct scsi_read_dvd_struct_data_header); 4156 4157 /* 4158 * But only actually copy out the smaller of what we read 4159 * in or what the structure can take. 4160 */ 4161 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4162 dvdstruct->data, 4163 min(sizeof(dvdstruct->data), dvdstruct->length)); 4164 break; 4165 } 4166 bailout: 4167 4168 if (databuf != NULL) 4169 free(databuf, M_DEVBUF); 4170 4171 xpt_release_ccb(ccb); 4172 4173 return(error); 4174 } 4175 4176 void 4177 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4178 void (*cbfcnp)(struct cam_periph *, union ccb *), 4179 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4180 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4181 u_int8_t sense_len, u_int32_t timeout) 4182 { 4183 struct scsi_report_key *scsi_cmd; 4184 4185 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4186 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4187 scsi_cmd->opcode = REPORT_KEY; 4188 scsi_ulto4b(lba, scsi_cmd->lba); 4189 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4190 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4191 (key_format & RK_KF_KEYFORMAT_MASK); 4192 4193 cam_fill_csio(csio, 4194 retries, 4195 cbfcnp, 4196 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4197 tag_action, 4198 /*data_ptr*/ data_ptr, 4199 /*dxfer_len*/ dxfer_len, 4200 sense_len, 4201 sizeof(*scsi_cmd), 4202 timeout); 4203 } 4204 4205 void 4206 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4207 void (*cbfcnp)(struct cam_periph *, union ccb *), 4208 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4209 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4210 u_int32_t timeout) 4211 { 4212 struct scsi_send_key *scsi_cmd; 4213 4214 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4215 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4216 scsi_cmd->opcode = SEND_KEY; 4217 4218 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4219 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4220 (key_format & RK_KF_KEYFORMAT_MASK); 4221 4222 cam_fill_csio(csio, 4223 retries, 4224 cbfcnp, 4225 /*flags*/ CAM_DIR_OUT, 4226 tag_action, 4227 /*data_ptr*/ data_ptr, 4228 /*dxfer_len*/ dxfer_len, 4229 sense_len, 4230 sizeof(*scsi_cmd), 4231 timeout); 4232 } 4233 4234 4235 void 4236 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4237 void (*cbfcnp)(struct cam_periph *, union ccb *), 4238 u_int8_t tag_action, u_int32_t address, 4239 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4240 u_int8_t *data_ptr, u_int32_t dxfer_len, 4241 u_int8_t sense_len, u_int32_t timeout) 4242 { 4243 struct scsi_read_dvd_structure *scsi_cmd; 4244 4245 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4246 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4247 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4248 4249 scsi_ulto4b(address, scsi_cmd->address); 4250 scsi_cmd->layer_number = layer_number; 4251 scsi_cmd->format = format; 4252 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4253 /* The AGID is the top two bits of this byte */ 4254 scsi_cmd->agid = agid << 6; 4255 4256 cam_fill_csio(csio, 4257 retries, 4258 cbfcnp, 4259 /*flags*/ CAM_DIR_IN, 4260 tag_action, 4261 /*data_ptr*/ data_ptr, 4262 /*dxfer_len*/ dxfer_len, 4263 sense_len, 4264 sizeof(*scsi_cmd), 4265 timeout); 4266 } 4267