Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/cam/scsi/scsi_cd.c
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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 CHANGER_MIN_BUSY_SECONDS 296 #define CHANGER_MIN_BUSY_SECONDS 5 297 #endif 298 #ifndef CHANGER_MAX_BUSY_SECONDS 299 #define CHANGER_MAX_BUSY_SECONDS 15 300 #endif 301 302 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 303 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 304 305 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 306 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 307 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 308 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 309 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 310 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 311 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 312 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 313 314 struct cdchanger { 315 path_id_t path_id; 316 target_id_t target_id; 317 int num_devices; 318 struct camq devq; 319 struct timeval start_time; 320 struct cd_softc *cur_device; 321 struct callout short_handle; 322 struct callout long_handle; 323 volatile cd_changer_flags flags; 324 STAILQ_ENTRY(cdchanger) changer_links; 325 STAILQ_HEAD(chdevlist, cd_softc) chluns; 326 }; 327 328 static struct mtx changerq_mtx; 329 static STAILQ_HEAD(changerlist, cdchanger) changerq; 330 static int num_changers; 331 332 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 333 334 static void 335 cdinit(void) 336 { 337 cam_status status; 338 339 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 340 STAILQ_INIT(&changerq); 341 342 /* 343 * Install a global async callback. This callback will 344 * receive async callbacks like "new device found". 345 */ 346 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 347 348 if (status != CAM_REQ_CMP) { 349 printf("cd: Failed to attach master async callback " 350 "due to status 0x%x!\n", status); 351 } 352 } 353 354 static void 355 cdoninvalidate(struct cam_periph *periph) 356 { 357 struct cd_softc *softc; 358 359 softc = (struct cd_softc *)periph->softc; 360 361 /* 362 * De-register any async callbacks. 363 */ 364 xpt_register_async(0, cdasync, periph, periph->path); 365 366 softc->flags |= CD_FLAG_INVALID; 367 368 /* 369 * Return all queued I/O with ENXIO. 370 * XXX Handle any transactions queued to the card 371 * with XPT_ABORT_CCB. 372 */ 373 bioq_flush(&softc->bio_queue, NULL, ENXIO); 374 375 /* 376 * If this device is part of a changer, and it was scheduled 377 * to run, remove it from the run queue since we just nuked 378 * all of its scheduled I/O. 379 */ 380 if ((softc->flags & CD_FLAG_CHANGER) 381 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 382 camq_remove(&softc->changer->devq, softc->pinfo.index); 383 384 disk_gone(softc->disk); 385 xpt_print(periph->path, "lost device\n"); 386 } 387 388 static void 389 cdcleanup(struct cam_periph *periph) 390 { 391 struct cd_softc *softc; 392 393 softc = (struct cd_softc *)periph->softc; 394 395 xpt_print(periph->path, "removing device entry\n"); 396 397 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 398 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 399 xpt_print(periph->path, "can't remove sysctl context\n"); 400 } 401 402 /* 403 * In the queued, non-active case, the device in question 404 * has already been removed from the changer run queue. Since this 405 * device is active, we need to de-activate it, and schedule 406 * another device to run. (if there is another one to run) 407 */ 408 if ((softc->flags & CD_FLAG_CHANGER) 409 && (softc->flags & CD_FLAG_ACTIVE)) { 410 411 /* 412 * The purpose of the short timeout is soley to determine 413 * whether the current device has finished or not. Well, 414 * since we're removing the active device, we know that it 415 * is finished. So, get rid of the short timeout. 416 * Otherwise, if we're in the time period before the short 417 * timeout fires, and there are no other devices in the 418 * queue to run, there won't be any other device put in the 419 * active slot. i.e., when we call cdrunchangerqueue() 420 * below, it won't do anything. Then, when the short 421 * timeout fires, it'll look at the "current device", which 422 * we are free below, and possibly panic the kernel on a 423 * bogus pointer reference. 424 * 425 * The long timeout doesn't really matter, since we 426 * decrement the qfrozen_cnt to indicate that there is 427 * nothing in the active slot now. Therefore, there won't 428 * be any bogus pointer references there. 429 */ 430 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 431 callout_stop(&softc->changer->short_handle); 432 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 433 } 434 softc->changer->devq.qfrozen_cnt--; 435 softc->changer->flags |= CHANGER_MANUAL_CALL; 436 cdrunchangerqueue(softc->changer); 437 } 438 439 /* 440 * If we're removing the last device on the changer, go ahead and 441 * remove the changer device structure. 442 */ 443 if ((softc->flags & CD_FLAG_CHANGER) 444 && (--softc->changer->num_devices == 0)) { 445 446 /* 447 * Theoretically, there shouldn't be any timeouts left, but 448 * I'm not completely sure that that will be the case. So, 449 * it won't hurt to check and see if there are any left. 450 */ 451 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 452 callout_stop(&softc->changer->long_handle); 453 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 454 } 455 456 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 457 callout_stop(&softc->changer->short_handle); 458 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 459 } 460 461 mtx_lock(&changerq_mtx); 462 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 463 changer_links); 464 num_changers--; 465 mtx_unlock(&changerq_mtx); 466 xpt_print(periph->path, "removing changer entry\n"); 467 free(softc->changer, M_DEVBUF); 468 } 469 cam_periph_unlock(periph); 470 disk_destroy(softc->disk); 471 cam_periph_lock(periph); 472 free(softc, M_DEVBUF); 473 } 474 475 static void 476 cdasync(void *callback_arg, u_int32_t code, 477 struct cam_path *path, void *arg) 478 { 479 struct cam_periph *periph; 480 481 periph = (struct cam_periph *)callback_arg; 482 switch (code) { 483 case AC_FOUND_DEVICE: 484 { 485 struct ccb_getdev *cgd; 486 cam_status status; 487 488 cgd = (struct ccb_getdev *)arg; 489 if (cgd == NULL) 490 break; 491 492 if (SID_TYPE(&cgd->inq_data) != T_CDROM 493 && SID_TYPE(&cgd->inq_data) != T_WORM) 494 break; 495 496 /* 497 * Allocate a peripheral instance for 498 * this device and start the probe 499 * process. 500 */ 501 status = cam_periph_alloc(cdregister, cdoninvalidate, 502 cdcleanup, cdstart, 503 "cd", CAM_PERIPH_BIO, 504 cgd->ccb_h.path, cdasync, 505 AC_FOUND_DEVICE, cgd); 506 507 if (status != CAM_REQ_CMP 508 && status != CAM_REQ_INPROG) 509 printf("cdasync: Unable to attach new device " 510 "due to status 0x%x\n", status); 511 512 break; 513 } 514 case AC_SENT_BDR: 515 case AC_BUS_RESET: 516 { 517 struct cd_softc *softc; 518 struct ccb_hdr *ccbh; 519 520 softc = (struct cd_softc *)periph->softc; 521 /* 522 * Don't fail on the expected unit attention 523 * that will occur. 524 */ 525 softc->flags |= CD_FLAG_RETRY_UA; 526 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 527 ccbh->ccb_state |= CD_CCB_RETRY_UA; 528 /* FALLTHROUGH */ 529 } 530 default: 531 cam_periph_async(periph, code, path, arg); 532 break; 533 } 534 } 535 536 static void 537 cdsysctlinit(void *context, int pending) 538 { 539 struct cam_periph *periph; 540 struct cd_softc *softc; 541 char tmpstr[80], tmpstr2[80]; 542 543 periph = (struct cam_periph *)context; 544 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 545 return; 546 547 softc = (struct cd_softc *)periph->softc; 548 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 549 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 550 551 mtx_lock(&Giant); 552 553 sysctl_ctx_init(&softc->sysctl_ctx); 554 softc->flags |= CD_FLAG_SCTX_INIT; 555 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 556 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 557 tmpstr2, CTLFLAG_RD, 0, tmpstr); 558 559 if (softc->sysctl_tree == NULL) { 560 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 561 mtx_unlock(&Giant); 562 cam_periph_release(periph); 563 return; 564 } 565 566 /* 567 * Now register the sysctl handler, so the user can the value on 568 * the fly. 569 */ 570 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 571 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 572 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 573 "Minimum CDB size"); 574 575 mtx_unlock(&Giant); 576 cam_periph_release(periph); 577 } 578 579 /* 580 * We have a handler function for this so we can check the values when the 581 * user sets them, instead of every time we look at them. 582 */ 583 static int 584 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 585 { 586 int error, value; 587 588 value = *(int *)arg1; 589 590 error = sysctl_handle_int(oidp, &value, 0, req); 591 592 if ((error != 0) 593 || (req->newptr == NULL)) 594 return (error); 595 596 /* 597 * The only real values we can have here are 6 or 10. I don't 598 * really forsee having 12 be an option at any time in the future. 599 * So if the user sets something less than or equal to 6, we'll set 600 * it to 6. If he sets something greater than 6, we'll set it to 10. 601 * 602 * I suppose we could just return an error here for the wrong values, 603 * but I don't think it's necessary to do so, as long as we can 604 * determine the user's intent without too much trouble. 605 */ 606 if (value < 6) 607 value = 6; 608 else if (value > 6) 609 value = 10; 610 611 *(int *)arg1 = value; 612 613 return (0); 614 } 615 616 static cam_status 617 cdregister(struct cam_periph *periph, void *arg) 618 { 619 struct cd_softc *softc; 620 struct ccb_pathinq cpi; 621 struct ccb_getdev *cgd; 622 char tmpstr[80]; 623 caddr_t match; 624 625 cgd = (struct ccb_getdev *)arg; 626 if (periph == NULL) { 627 printf("cdregister: periph was NULL!!\n"); 628 return(CAM_REQ_CMP_ERR); 629 } 630 if (cgd == NULL) { 631 printf("cdregister: no getdev CCB, can't register device\n"); 632 return(CAM_REQ_CMP_ERR); 633 } 634 635 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 636 637 if (softc == NULL) { 638 printf("cdregister: Unable to probe new device. " 639 "Unable to allocate softc\n"); 640 return(CAM_REQ_CMP_ERR); 641 } 642 643 bzero(softc, sizeof(*softc)); 644 LIST_INIT(&softc->pending_ccbs); 645 STAILQ_INIT(&softc->mode_queue); 646 softc->state = CD_STATE_PROBE; 647 bioq_init(&softc->bio_queue); 648 if (SID_IS_REMOVABLE(&cgd->inq_data)) 649 softc->flags |= CD_FLAG_DISC_REMOVABLE; 650 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 651 softc->flags |= CD_FLAG_TAGGED_QUEUING; 652 653 periph->softc = softc; 654 softc->periph = periph; 655 656 /* 657 * See if this device has any quirks. 658 */ 659 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 660 (caddr_t)cd_quirk_table, 661 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 662 sizeof(*cd_quirk_table), scsi_inquiry_match); 663 664 if (match != NULL) 665 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 666 else 667 softc->quirks = CD_Q_NONE; 668 669 /* Check if the SIM does not want 6 byte commands */ 670 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 671 cpi.ccb_h.func_code = XPT_PATH_INQ; 672 xpt_action((union ccb *)&cpi); 673 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 674 softc->quirks |= CD_Q_10_BYTE_ONLY; 675 676 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 677 678 /* The default is 6 byte commands, unless quirked otherwise */ 679 if (softc->quirks & CD_Q_10_BYTE_ONLY) 680 softc->minimum_command_size = 10; 681 else 682 softc->minimum_command_size = 6; 683 684 /* 685 * Load the user's default, if any. 686 */ 687 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 688 periph->unit_number); 689 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 690 691 /* 6 and 10 are the only permissible values here. */ 692 if (softc->minimum_command_size < 6) 693 softc->minimum_command_size = 6; 694 else if (softc->minimum_command_size > 6) 695 softc->minimum_command_size = 10; 696 697 /* 698 * We need to register the statistics structure for this device, 699 * but we don't have the blocksize yet for it. So, we register 700 * the structure and indicate that we don't have the blocksize 701 * yet. Unlike other SCSI peripheral drivers, we explicitly set 702 * the device type here to be CDROM, rather than just ORing in 703 * the device type. This is because this driver can attach to either 704 * CDROM or WORM devices, and we want this peripheral driver to 705 * show up in the devstat list as a CD peripheral driver, not a 706 * WORM peripheral driver. WORM drives will also have the WORM 707 * driver attached to them. 708 */ 709 cam_periph_unlock(periph); 710 softc->disk = disk_alloc(); 711 softc->disk->d_devstat = devstat_new_entry("cd", 712 periph->unit_number, 0, 713 DEVSTAT_BS_UNAVAILABLE, 714 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 715 DEVSTAT_PRIORITY_CD); 716 softc->disk->d_open = cdopen; 717 softc->disk->d_close = cdclose; 718 softc->disk->d_strategy = cdstrategy; 719 softc->disk->d_ioctl = cdioctl; 720 softc->disk->d_name = "cd"; 721 softc->disk->d_unit = periph->unit_number; 722 softc->disk->d_drv1 = periph; 723 softc->disk->d_flags = 0; 724 disk_create(softc->disk, DISK_VERSION); 725 cam_periph_lock(periph); 726 727 /* 728 * Add an async callback so that we get 729 * notified if this device goes away. 730 */ 731 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 732 cdasync, periph, periph->path); 733 734 /* 735 * If the target lun is greater than 0, we most likely have a CD 736 * changer device. Check the quirk entries as well, though, just 737 * in case someone has a CD tower with one lun per drive or 738 * something like that. Also, if we know up front that a 739 * particular device is a changer, we can mark it as such starting 740 * with lun 0, instead of lun 1. It shouldn't be necessary to have 741 * a quirk entry to define something as a changer, however. 742 */ 743 if (((cgd->ccb_h.target_lun > 0) 744 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 745 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 746 struct cdchanger *nchanger; 747 struct cam_periph *nperiph; 748 struct cam_path *path; 749 cam_status status; 750 int found; 751 752 /* Set the changer flag in the current device's softc */ 753 softc->flags |= CD_FLAG_CHANGER; 754 755 /* 756 * Now, look around for an existing changer device with the 757 * same path and target ID as the current device. 758 */ 759 mtx_lock(&changerq_mtx); 760 for (found = 0, 761 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 762 nchanger != NULL; 763 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 764 if ((nchanger->path_id == cgd->ccb_h.path_id) 765 && (nchanger->target_id == cgd->ccb_h.target_id)) { 766 found = 1; 767 break; 768 } 769 } 770 mtx_unlock(&changerq_mtx); 771 772 /* 773 * If we found a matching entry, just add this device to 774 * the list of devices on this changer. 775 */ 776 if (found == 1) { 777 struct chdevlist *chlunhead; 778 779 chlunhead = &nchanger->chluns; 780 781 /* 782 * XXX KDM look at consolidating this code with the 783 * code below in a separate function. 784 */ 785 786 /* 787 * Create a path with lun id 0, and see if we can 788 * find a matching device 789 */ 790 status = xpt_create_path(&path, /*periph*/ periph, 791 cgd->ccb_h.path_id, 792 cgd->ccb_h.target_id, 0); 793 794 if ((status == CAM_REQ_CMP) 795 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 796 struct cd_softc *nsoftc; 797 798 nsoftc = (struct cd_softc *)nperiph->softc; 799 800 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 801 nsoftc->flags |= CD_FLAG_CHANGER; 802 nchanger->num_devices++; 803 if (camq_resize(&nchanger->devq, 804 nchanger->num_devices)!=CAM_REQ_CMP){ 805 printf("cdregister: " 806 "camq_resize " 807 "failed, changer " 808 "support may " 809 "be messed up\n"); 810 } 811 nsoftc->changer = nchanger; 812 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 813 814 STAILQ_INSERT_TAIL(&nchanger->chluns, 815 nsoftc,changer_links); 816 } 817 xpt_free_path(path); 818 } else if (status == CAM_REQ_CMP) 819 xpt_free_path(path); 820 else { 821 printf("cdregister: unable to allocate path\n" 822 "cdregister: changer support may be " 823 "broken\n"); 824 } 825 826 nchanger->num_devices++; 827 828 softc->changer = nchanger; 829 softc->pinfo.index = CAM_UNQUEUED_INDEX; 830 831 if (camq_resize(&nchanger->devq, 832 nchanger->num_devices) != CAM_REQ_CMP) { 833 printf("cdregister: camq_resize " 834 "failed, changer support may " 835 "be messed up\n"); 836 } 837 838 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 839 } 840 /* 841 * In this case, we don't already have an entry for this 842 * particular changer, so we need to create one, add it to 843 * the queue, and queue this device on the list for this 844 * changer. Before we queue this device, however, we need 845 * to search for lun id 0 on this target, and add it to the 846 * queue first, if it exists. (and if it hasn't already 847 * been marked as part of the changer.) 848 */ 849 else { 850 nchanger = malloc(sizeof(struct cdchanger), 851 M_DEVBUF, M_NOWAIT); 852 853 if (nchanger == NULL) { 854 softc->flags &= ~CD_FLAG_CHANGER; 855 printf("cdregister: unable to malloc " 856 "changer structure\ncdregister: " 857 "changer support disabled\n"); 858 859 /* 860 * Yes, gotos can be gross but in this case 861 * I think it's justified.. 862 */ 863 goto cdregisterexit; 864 } 865 866 /* zero the structure */ 867 bzero(nchanger, sizeof(struct cdchanger)); 868 869 if (camq_init(&nchanger->devq, 1) != 0) { 870 softc->flags &= ~CD_FLAG_CHANGER; 871 printf("cdregister: changer support " 872 "disabled\n"); 873 goto cdregisterexit; 874 } 875 876 nchanger->path_id = cgd->ccb_h.path_id; 877 nchanger->target_id = cgd->ccb_h.target_id; 878 879 /* this is superfluous, but it makes things clearer */ 880 nchanger->num_devices = 0; 881 882 STAILQ_INIT(&nchanger->chluns); 883 884 callout_init_mtx(&nchanger->long_handle, 885 periph->sim->mtx, 0); 886 callout_init_mtx(&nchanger->short_handle, 887 periph->sim->mtx, 0); 888 889 mtx_lock(&changerq_mtx); 890 num_changers++; 891 STAILQ_INSERT_TAIL(&changerq, nchanger, 892 changer_links); 893 mtx_unlock(&changerq_mtx); 894 895 /* 896 * Create a path with lun id 0, and see if we can 897 * find a matching device 898 */ 899 status = xpt_create_path(&path, /*periph*/ periph, 900 cgd->ccb_h.path_id, 901 cgd->ccb_h.target_id, 0); 902 903 /* 904 * If we were able to allocate the path, and if we 905 * find a matching device and it isn't already 906 * marked as part of a changer, then we add it to 907 * the current changer. 908 */ 909 if ((status == CAM_REQ_CMP) 910 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 911 && ((((struct cd_softc *)periph->softc)->flags & 912 CD_FLAG_CHANGER) == 0)) { 913 struct cd_softc *nsoftc; 914 915 nsoftc = (struct cd_softc *)nperiph->softc; 916 917 nsoftc->flags |= CD_FLAG_CHANGER; 918 nchanger->num_devices++; 919 if (camq_resize(&nchanger->devq, 920 nchanger->num_devices) != CAM_REQ_CMP) { 921 printf("cdregister: camq_resize " 922 "failed, changer support may " 923 "be messed up\n"); 924 } 925 nsoftc->changer = nchanger; 926 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 927 928 STAILQ_INSERT_TAIL(&nchanger->chluns, 929 nsoftc, changer_links); 930 xpt_free_path(path); 931 } else if (status == CAM_REQ_CMP) 932 xpt_free_path(path); 933 else { 934 printf("cdregister: unable to allocate path\n" 935 "cdregister: changer support may be " 936 "broken\n"); 937 } 938 939 softc->changer = nchanger; 940 softc->pinfo.index = CAM_UNQUEUED_INDEX; 941 nchanger->num_devices++; 942 if (camq_resize(&nchanger->devq, 943 nchanger->num_devices) != CAM_REQ_CMP) { 944 printf("cdregister: camq_resize " 945 "failed, changer support may " 946 "be messed up\n"); 947 } 948 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 949 changer_links); 950 } 951 } 952 953 cdregisterexit: 954 955 /* 956 * Refcount and block open attempts until we are setup 957 * Can't block 958 */ 959 (void)cam_periph_hold(periph, PRIBIO); 960 961 if ((softc->flags & CD_FLAG_CHANGER) == 0) 962 xpt_schedule(periph, /*priority*/5); 963 else 964 cdschedule(periph, /*priority*/ 5); 965 966 return(CAM_REQ_CMP); 967 } 968 969 static int 970 cdopen(struct disk *dp) 971 { 972 struct cam_periph *periph; 973 struct cd_softc *softc; 974 int error; 975 976 periph = (struct cam_periph *)dp->d_drv1; 977 if (periph == NULL) 978 return (ENXIO); 979 980 softc = (struct cd_softc *)periph->softc; 981 982 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 983 return(ENXIO); 984 985 cam_periph_lock(periph); 986 987 if (softc->flags & CD_FLAG_INVALID) { 988 cam_periph_unlock(periph); 989 cam_periph_release(periph); 990 return(ENXIO); 991 } 992 993 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 994 cam_periph_unlock(periph); 995 cam_periph_release(periph); 996 return (error); 997 } 998 999 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1000 if (softc->flags & CD_FLAG_OPEN) 1001 cam_periph_release(periph); 1002 else 1003 softc->flags |= CD_FLAG_OPEN; 1004 1005 /* 1006 * Check for media, and set the appropriate flags. We don't bail 1007 * if we don't have media, but then we don't allow anything but the 1008 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1009 */ 1010 cdcheckmedia(periph); 1011 1012 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1013 cam_periph_unhold(periph); 1014 cam_periph_unlock(periph); 1015 1016 return (0); 1017 } 1018 1019 static int 1020 cdclose(struct disk *dp) 1021 { 1022 struct cam_periph *periph; 1023 struct cd_softc *softc; 1024 1025 periph = (struct cam_periph *)dp->d_drv1; 1026 if (periph == NULL) 1027 return (ENXIO); 1028 1029 softc = (struct cd_softc *)periph->softc; 1030 1031 cam_periph_lock(periph); 1032 cam_periph_hold(periph, PRIBIO); 1033 1034 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1035 cdprevent(periph, PR_ALLOW); 1036 1037 /* 1038 * Since we're closing this CD, mark the blocksize as unavailable. 1039 * It will be marked as available when the CD is opened again. 1040 */ 1041 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1042 1043 /* 1044 * We'll check the media and toc again at the next open(). 1045 */ 1046 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1047 1048 cam_periph_unhold(periph); 1049 cam_periph_unlock(periph); 1050 cam_periph_release(periph); 1051 1052 return (0); 1053 } 1054 1055 static void 1056 cdshorttimeout(void *arg) 1057 { 1058 struct cdchanger *changer; 1059 1060 changer = (struct cdchanger *)arg; 1061 1062 /* Always clear the short timeout flag, since that's what we're in */ 1063 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1064 1065 /* 1066 * Check to see if there is any more pending or outstanding I/O for 1067 * this device. If not, move it out of the active slot. 1068 */ 1069 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1070 && (changer->cur_device->outstanding_cmds == 0)) { 1071 changer->flags |= CHANGER_MANUAL_CALL; 1072 cdrunchangerqueue(changer); 1073 } 1074 } 1075 1076 /* 1077 * This is a wrapper for xpt_schedule. It only applies to changers. 1078 */ 1079 static void 1080 cdschedule(struct cam_periph *periph, int priority) 1081 { 1082 struct cd_softc *softc; 1083 1084 softc = (struct cd_softc *)periph->softc; 1085 1086 /* 1087 * If this device isn't currently queued, and if it isn't 1088 * the active device, then we queue this device and run the 1089 * changer queue if there is no timeout scheduled to do it. 1090 * If this device is the active device, just schedule it 1091 * to run again. If this device is queued, there should be 1092 * a timeout in place already that will make sure it runs. 1093 */ 1094 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1095 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1096 /* 1097 * We don't do anything with the priority here. 1098 * This is strictly a fifo queue. 1099 */ 1100 softc->pinfo.priority = 1; 1101 softc->pinfo.generation = ++softc->changer->devq.generation; 1102 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1103 1104 /* 1105 * Since we just put a device in the changer queue, 1106 * check and see if there is a timeout scheduled for 1107 * this changer. If so, let the timeout handle 1108 * switching this device into the active slot. If 1109 * not, manually call the timeout routine to 1110 * bootstrap things. 1111 */ 1112 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1113 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1114 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1115 softc->changer->flags |= CHANGER_MANUAL_CALL; 1116 cdrunchangerqueue(softc->changer); 1117 } 1118 } else if ((softc->flags & CD_FLAG_ACTIVE) 1119 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1120 xpt_schedule(periph, priority); 1121 } 1122 1123 static void 1124 cdrunchangerqueue(void *arg) 1125 { 1126 struct cd_softc *softc; 1127 struct cdchanger *changer; 1128 int called_from_timeout; 1129 1130 changer = (struct cdchanger *)arg; 1131 1132 /* 1133 * If we have NOT been called from cdstrategy() or cddone(), and 1134 * instead from a timeout routine, go ahead and clear the 1135 * timeout flag. 1136 */ 1137 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1138 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1139 called_from_timeout = 1; 1140 } else 1141 called_from_timeout = 0; 1142 1143 /* Always clear the manual call flag */ 1144 changer->flags &= ~CHANGER_MANUAL_CALL; 1145 1146 /* nothing to do if the queue is empty */ 1147 if (changer->devq.entries <= 0) { 1148 return; 1149 } 1150 1151 /* 1152 * If the changer queue is frozen, that means we have an active 1153 * device. 1154 */ 1155 if (changer->devq.qfrozen_cnt > 0) { 1156 1157 /* 1158 * We always need to reset the frozen count and clear the 1159 * active flag. 1160 */ 1161 changer->devq.qfrozen_cnt--; 1162 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1163 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1164 1165 if (changer->cur_device->outstanding_cmds > 0) { 1166 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1167 changer->cur_device->bufs_left = 1168 changer->cur_device->outstanding_cmds; 1169 if (called_from_timeout) { 1170 callout_reset(&changer->long_handle, 1171 changer_max_busy_seconds * hz, 1172 cdrunchangerqueue, changer); 1173 changer->flags |= CHANGER_TIMEOUT_SCHED; 1174 } 1175 return; 1176 } 1177 1178 /* 1179 * Check to see whether the current device has any I/O left 1180 * to do. If so, requeue it at the end of the queue. If 1181 * not, there is no need to requeue it. 1182 */ 1183 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1184 1185 changer->cur_device->pinfo.generation = 1186 ++changer->devq.generation; 1187 camq_insert(&changer->devq, 1188 (cam_pinfo *)changer->cur_device); 1189 } 1190 } 1191 1192 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1193 1194 changer->cur_device = softc; 1195 1196 changer->devq.qfrozen_cnt++; 1197 softc->flags |= CD_FLAG_ACTIVE; 1198 1199 /* Just in case this device is waiting */ 1200 wakeup(&softc->changer); 1201 xpt_schedule(softc->periph, /*priority*/ 1); 1202 1203 /* 1204 * Get rid of any pending timeouts, and set a flag to schedule new 1205 * ones so this device gets its full time quantum. 1206 */ 1207 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1208 callout_stop(&changer->long_handle); 1209 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1210 } 1211 1212 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1213 callout_stop(&changer->short_handle); 1214 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1215 } 1216 1217 /* 1218 * We need to schedule timeouts, but we only do this after the 1219 * first transaction has completed. This eliminates the changer 1220 * switch time. 1221 */ 1222 changer->flags |= CHANGER_NEED_TIMEOUT; 1223 } 1224 1225 static void 1226 cdchangerschedule(struct cd_softc *softc) 1227 { 1228 struct cdchanger *changer; 1229 1230 changer = softc->changer; 1231 1232 /* 1233 * If this is a changer, and this is the current device, 1234 * and this device has at least the minimum time quantum to 1235 * run, see if we can switch it out. 1236 */ 1237 if ((softc->flags & CD_FLAG_ACTIVE) 1238 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1239 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1240 /* 1241 * We try three things here. The first is that we 1242 * check to see whether the schedule on completion 1243 * flag is set. If it is, we decrement the number 1244 * of buffers left, and if it's zero, we reschedule. 1245 * Next, we check to see whether the pending buffer 1246 * queue is empty and whether there are no 1247 * outstanding transactions. If so, we reschedule. 1248 * Next, we see if the pending buffer queue is empty. 1249 * If it is, we set the number of buffers left to 1250 * the current active buffer count and set the 1251 * schedule on complete flag. 1252 */ 1253 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1254 if (--softc->bufs_left == 0) { 1255 softc->changer->flags |= 1256 CHANGER_MANUAL_CALL; 1257 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1258 cdrunchangerqueue(softc->changer); 1259 } 1260 } else if ((bioq_first(&softc->bio_queue) == NULL) 1261 && (softc->outstanding_cmds == 0)) { 1262 softc->changer->flags |= CHANGER_MANUAL_CALL; 1263 cdrunchangerqueue(softc->changer); 1264 } 1265 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1266 && (softc->flags & CD_FLAG_ACTIVE)) { 1267 1268 /* 1269 * Now that the first transaction to this 1270 * particular device has completed, we can go ahead 1271 * and schedule our timeouts. 1272 */ 1273 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1274 callout_reset(&changer->long_handle, 1275 changer_max_busy_seconds * hz, 1276 cdrunchangerqueue, changer); 1277 changer->flags |= CHANGER_TIMEOUT_SCHED; 1278 } else 1279 printf("cdchangerschedule: already have a long" 1280 " timeout!\n"); 1281 1282 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1283 callout_reset(&changer->short_handle, 1284 changer_min_busy_seconds * hz, 1285 cdshorttimeout, changer); 1286 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1287 } else 1288 printf("cdchangerschedule: already have a short " 1289 "timeout!\n"); 1290 1291 /* 1292 * We just scheduled timeouts, no need to schedule 1293 * more. 1294 */ 1295 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1296 1297 } 1298 } 1299 1300 static int 1301 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1302 u_int32_t cam_flags, 1303 u_int32_t sense_flags), 1304 u_int32_t cam_flags, u_int32_t sense_flags) 1305 { 1306 struct cd_softc *softc; 1307 struct cam_periph *periph; 1308 int error; 1309 1310 periph = xpt_path_periph(ccb->ccb_h.path); 1311 softc = (struct cd_softc *)periph->softc; 1312 1313 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1314 softc->disk->d_devstat); 1315 1316 if (softc->flags & CD_FLAG_CHANGER) 1317 cdchangerschedule(softc); 1318 1319 return(error); 1320 } 1321 1322 static union ccb * 1323 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1324 { 1325 struct cd_softc *softc; 1326 1327 softc = (struct cd_softc *)periph->softc; 1328 1329 if (softc->flags & CD_FLAG_CHANGER) { 1330 /* 1331 * This should work the first time this device is woken up, 1332 * but just in case it doesn't, we use a while loop. 1333 */ 1334 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1335 /* 1336 * If this changer isn't already queued, queue it up. 1337 */ 1338 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1339 softc->pinfo.priority = 1; 1340 softc->pinfo.generation = 1341 ++softc->changer->devq.generation; 1342 camq_insert(&softc->changer->devq, 1343 (cam_pinfo *)softc); 1344 } 1345 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1346 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1347 && ((softc->changer->flags 1348 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1349 softc->changer->flags |= CHANGER_MANUAL_CALL; 1350 cdrunchangerqueue(softc->changer); 1351 } else 1352 msleep(&softc->changer, periph->sim->mtx, 1353 PRIBIO, "cgticb", 0); 1354 } 1355 } 1356 return(cam_periph_getccb(periph, priority)); 1357 } 1358 1359 1360 /* 1361 * Actually translate the requested transfer into one the physical driver 1362 * can understand. The transfer is described by a buf and will include 1363 * only one physical transfer. 1364 */ 1365 static void 1366 cdstrategy(struct bio *bp) 1367 { 1368 struct cam_periph *periph; 1369 struct cd_softc *softc; 1370 1371 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1372 if (periph == NULL) { 1373 biofinish(bp, NULL, ENXIO); 1374 return; 1375 } 1376 1377 cam_periph_lock(periph); 1378 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1379 1380 softc = (struct cd_softc *)periph->softc; 1381 1382 /* 1383 * If the device has been made invalid, error out 1384 */ 1385 if ((softc->flags & CD_FLAG_INVALID)) { 1386 cam_periph_unlock(periph); 1387 biofinish(bp, NULL, ENXIO); 1388 return; 1389 } 1390 1391 /* 1392 * If we don't have valid media, look for it before trying to 1393 * schedule the I/O. 1394 */ 1395 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1396 int error; 1397 1398 error = cdcheckmedia(periph); 1399 if (error != 0) { 1400 cam_periph_unlock(periph); 1401 biofinish(bp, NULL, error); 1402 return; 1403 } 1404 } 1405 1406 /* 1407 * Place it in the queue of disk activities for this disk 1408 */ 1409 bioq_disksort(&softc->bio_queue, bp); 1410 1411 /* 1412 * Schedule ourselves for performing the work. We do things 1413 * differently for changers. 1414 */ 1415 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1416 xpt_schedule(periph, /* XXX priority */1); 1417 else 1418 cdschedule(periph, /* priority */ 1); 1419 1420 cam_periph_unlock(periph); 1421 return; 1422 } 1423 1424 static void 1425 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1426 { 1427 struct cd_softc *softc; 1428 struct bio *bp; 1429 struct ccb_scsiio *csio; 1430 struct scsi_read_capacity_data *rcap; 1431 1432 softc = (struct cd_softc *)periph->softc; 1433 1434 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1435 1436 switch (softc->state) { 1437 case CD_STATE_NORMAL: 1438 { 1439 bp = bioq_first(&softc->bio_queue); 1440 if (periph->immediate_priority <= periph->pinfo.priority) { 1441 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1442 1443 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1444 periph_links.sle); 1445 periph->immediate_priority = CAM_PRIORITY_NONE; 1446 wakeup(&periph->ccb_list); 1447 } else if (bp == NULL) { 1448 xpt_release_ccb(start_ccb); 1449 } else { 1450 bioq_remove(&softc->bio_queue, bp); 1451 1452 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1453 1454 scsi_read_write(&start_ccb->csio, 1455 /*retries*/4, 1456 /* cbfcnp */ cddone, 1457 MSG_SIMPLE_Q_TAG, 1458 /* read */bp->bio_cmd == BIO_READ, 1459 /* byte2 */ 0, 1460 /* minimum_cmd_size */ 10, 1461 /* lba */ bp->bio_offset / 1462 softc->params.blksize, 1463 bp->bio_bcount / softc->params.blksize, 1464 /* data_ptr */ bp->bio_data, 1465 /* dxfer_len */ bp->bio_bcount, 1466 /* sense_len */ SSD_FULL_SIZE, 1467 /* timeout */ 30000); 1468 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1469 1470 1471 LIST_INSERT_HEAD(&softc->pending_ccbs, 1472 &start_ccb->ccb_h, periph_links.le); 1473 softc->outstanding_cmds++; 1474 1475 /* We expect a unit attention from this device */ 1476 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1477 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1478 softc->flags &= ~CD_FLAG_RETRY_UA; 1479 } 1480 1481 start_ccb->ccb_h.ccb_bp = bp; 1482 bp = bioq_first(&softc->bio_queue); 1483 1484 xpt_action(start_ccb); 1485 } 1486 if (bp != NULL) { 1487 /* Have more work to do, so ensure we stay scheduled */ 1488 xpt_schedule(periph, /* XXX priority */1); 1489 } 1490 break; 1491 } 1492 case CD_STATE_PROBE: 1493 { 1494 1495 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1496 M_SCSICD, 1497 M_NOWAIT); 1498 if (rcap == NULL) { 1499 xpt_print(periph->path, 1500 "cdstart: Couldn't malloc read_capacity data\n"); 1501 /* cd_free_periph??? */ 1502 break; 1503 } 1504 csio = &start_ccb->csio; 1505 scsi_read_capacity(csio, 1506 /*retries*/1, 1507 cddone, 1508 MSG_SIMPLE_Q_TAG, 1509 rcap, 1510 SSD_FULL_SIZE, 1511 /*timeout*/20000); 1512 start_ccb->ccb_h.ccb_bp = NULL; 1513 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1514 xpt_action(start_ccb); 1515 break; 1516 } 1517 } 1518 } 1519 1520 static void 1521 cddone(struct cam_periph *periph, union ccb *done_ccb) 1522 { 1523 struct cd_softc *softc; 1524 struct ccb_scsiio *csio; 1525 1526 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1527 1528 softc = (struct cd_softc *)periph->softc; 1529 csio = &done_ccb->csio; 1530 1531 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1532 case CD_CCB_BUFFER_IO: 1533 { 1534 struct bio *bp; 1535 int error; 1536 1537 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1538 error = 0; 1539 1540 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1541 int sf; 1542 1543 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1544 sf = SF_RETRY_UA; 1545 else 1546 sf = 0; 1547 1548 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1549 if (error == ERESTART) { 1550 /* 1551 * A retry was scheuled, so 1552 * just return. 1553 */ 1554 return; 1555 } 1556 } 1557 1558 if (error != 0) { 1559 xpt_print(periph->path, 1560 "cddone: got error %#x back\n", error); 1561 bioq_flush(&softc->bio_queue, NULL, EIO); 1562 bp->bio_resid = bp->bio_bcount; 1563 bp->bio_error = error; 1564 bp->bio_flags |= BIO_ERROR; 1565 cam_release_devq(done_ccb->ccb_h.path, 1566 /*relsim_flags*/0, 1567 /*reduction*/0, 1568 /*timeout*/0, 1569 /*getcount_only*/0); 1570 1571 } else { 1572 bp->bio_resid = csio->resid; 1573 bp->bio_error = 0; 1574 if (bp->bio_resid != 0) { 1575 /* 1576 * Short transfer ??? 1577 * XXX: not sure this is correct for partial 1578 * transfers at EOM 1579 */ 1580 bp->bio_flags |= BIO_ERROR; 1581 } 1582 } 1583 1584 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1585 softc->outstanding_cmds--; 1586 1587 if (softc->flags & CD_FLAG_CHANGER) 1588 cdchangerschedule(softc); 1589 1590 biofinish(bp, NULL, 0); 1591 break; 1592 } 1593 case CD_CCB_PROBE: 1594 { 1595 struct scsi_read_capacity_data *rdcap; 1596 char announce_buf[120]; /* 1597 * Currently (9/30/97) the 1598 * longest possible announce 1599 * buffer is 108 bytes, for the 1600 * first error case below. 1601 * That is 39 bytes for the 1602 * basic string, 16 bytes for the 1603 * biggest sense key (hardware 1604 * error), 52 bytes for the 1605 * text of the largest sense 1606 * qualifier valid for a CDROM, 1607 * (0x72, 0x03 or 0x04, 1608 * 0x03), and one byte for the 1609 * null terminating character. 1610 * To allow for longer strings, 1611 * the announce buffer is 120 1612 * bytes. 1613 */ 1614 struct cd_params *cdp; 1615 1616 cdp = &softc->params; 1617 1618 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1619 1620 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1621 cdp->blksize = scsi_4btoul (rdcap->length); 1622 1623 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1624 1625 snprintf(announce_buf, sizeof(announce_buf), 1626 "cd present [%lu x %lu byte records]", 1627 cdp->disksize, (u_long)cdp->blksize); 1628 1629 } else { 1630 int error; 1631 /* 1632 * Retry any UNIT ATTENTION type errors. They 1633 * are expected at boot. 1634 */ 1635 error = cderror(done_ccb, CAM_RETRY_SELTO, 1636 SF_RETRY_UA | SF_NO_PRINT); 1637 if (error == ERESTART) { 1638 /* 1639 * A retry was scheuled, so 1640 * just return. 1641 */ 1642 return; 1643 } else if (error != 0) { 1644 1645 struct scsi_sense_data *sense; 1646 int asc, ascq; 1647 int sense_key, error_code; 1648 int have_sense; 1649 cam_status status; 1650 struct ccb_getdev cgd; 1651 1652 /* Don't wedge this device's queue */ 1653 cam_release_devq(done_ccb->ccb_h.path, 1654 /*relsim_flags*/0, 1655 /*reduction*/0, 1656 /*timeout*/0, 1657 /*getcount_only*/0); 1658 1659 status = done_ccb->ccb_h.status; 1660 1661 xpt_setup_ccb(&cgd.ccb_h, 1662 done_ccb->ccb_h.path, 1663 /* priority */ 1); 1664 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1665 xpt_action((union ccb *)&cgd); 1666 1667 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1668 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1669 || ((status & CAM_AUTOSNS_VALID) == 0)) 1670 have_sense = FALSE; 1671 else 1672 have_sense = TRUE; 1673 1674 if (have_sense) { 1675 sense = &csio->sense_data; 1676 scsi_extract_sense(sense, &error_code, 1677 &sense_key, 1678 &asc, &ascq); 1679 } 1680 /* 1681 * Attach to anything that claims to be a 1682 * CDROM or WORM device, as long as it 1683 * doesn't return a "Logical unit not 1684 * supported" (0x25) error. 1685 */ 1686 if ((have_sense) && (asc != 0x25) 1687 && (error_code == SSD_CURRENT_ERROR)) { 1688 const char *sense_key_desc; 1689 const char *asc_desc; 1690 1691 scsi_sense_desc(sense_key, asc, ascq, 1692 &cgd.inq_data, 1693 &sense_key_desc, 1694 &asc_desc); 1695 snprintf(announce_buf, 1696 sizeof(announce_buf), 1697 "Attempt to query device " 1698 "size failed: %s, %s", 1699 sense_key_desc, 1700 asc_desc); 1701 } else if ((have_sense == 0) 1702 && ((status & CAM_STATUS_MASK) == 1703 CAM_SCSI_STATUS_ERROR) 1704 && (csio->scsi_status == 1705 SCSI_STATUS_BUSY)) { 1706 snprintf(announce_buf, 1707 sizeof(announce_buf), 1708 "Attempt to query device " 1709 "size failed: SCSI Status: %s", 1710 scsi_status_string(csio)); 1711 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1712 /* 1713 * We only print out an error for 1714 * CDROM type devices. For WORM 1715 * devices, we don't print out an 1716 * error since a few WORM devices 1717 * don't support CDROM commands. 1718 * If we have sense information, go 1719 * ahead and print it out. 1720 * Otherwise, just say that we 1721 * couldn't attach. 1722 */ 1723 1724 /* 1725 * Just print out the error, not 1726 * the full probe message, when we 1727 * don't attach. 1728 */ 1729 if (have_sense) 1730 scsi_sense_print( 1731 &done_ccb->csio); 1732 else { 1733 xpt_print(periph->path, 1734 "got CAM status %#x\n", 1735 done_ccb->ccb_h.status); 1736 } 1737 xpt_print(periph->path, "fatal error, " 1738 "failed to attach to device\n"); 1739 /* 1740 * Invalidate this peripheral. 1741 */ 1742 cam_periph_invalidate(periph); 1743 1744 announce_buf[0] = '\0'; 1745 } else { 1746 1747 /* 1748 * Invalidate this peripheral. 1749 */ 1750 cam_periph_invalidate(periph); 1751 announce_buf[0] = '\0'; 1752 } 1753 } 1754 } 1755 free(rdcap, M_SCSICD); 1756 if (announce_buf[0] != '\0') { 1757 xpt_announce_periph(periph, announce_buf); 1758 if (softc->flags & CD_FLAG_CHANGER) 1759 cdchangerschedule(softc); 1760 /* 1761 * Create our sysctl variables, now that we know 1762 * we have successfully attached. 1763 */ 1764 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1765 } 1766 softc->state = CD_STATE_NORMAL; 1767 /* 1768 * Since our peripheral may be invalidated by an error 1769 * above or an external event, we must release our CCB 1770 * before releasing the probe lock on the peripheral. 1771 * The peripheral will only go away once the last lock 1772 * is removed, and we need it around for the CCB release 1773 * operation. 1774 */ 1775 xpt_release_ccb(done_ccb); 1776 cam_periph_unhold(periph); 1777 return; 1778 } 1779 case CD_CCB_WAITING: 1780 { 1781 /* Caller will release the CCB */ 1782 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1783 ("trying to wakeup ccbwait\n")); 1784 1785 wakeup(&done_ccb->ccb_h.cbfcnp); 1786 return; 1787 } 1788 default: 1789 break; 1790 } 1791 xpt_release_ccb(done_ccb); 1792 } 1793 1794 static union cd_pages * 1795 cdgetpage(struct cd_mode_params *mode_params) 1796 { 1797 union cd_pages *page; 1798 1799 if (mode_params->cdb_size == 10) 1800 page = (union cd_pages *)find_mode_page_10( 1801 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1802 else 1803 page = (union cd_pages *)find_mode_page_6( 1804 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1805 1806 return (page); 1807 } 1808 1809 static int 1810 cdgetpagesize(int page_num) 1811 { 1812 int i; 1813 1814 for (i = 0; i < (sizeof(cd_page_size_table)/ 1815 sizeof(cd_page_size_table[0])); i++) { 1816 if (cd_page_size_table[i].page == page_num) 1817 return (cd_page_size_table[i].page_size); 1818 } 1819 1820 return (-1); 1821 } 1822 1823 static int 1824 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1825 { 1826 1827 struct cam_periph *periph; 1828 struct cd_softc *softc; 1829 int nocopyout, error = 0; 1830 1831 periph = (struct cam_periph *)dp->d_drv1; 1832 if (periph == NULL) 1833 return(ENXIO); 1834 1835 cam_periph_lock(periph); 1836 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1837 1838 softc = (struct cd_softc *)periph->softc; 1839 1840 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1841 ("trying to do ioctl %#lx\n", cmd)); 1842 1843 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1844 cam_periph_unlock(periph); 1845 cam_periph_release(periph); 1846 return (error); 1847 } 1848 1849 /* 1850 * If we don't have media loaded, check for it. If still don't 1851 * have media loaded, we can only do a load or eject. 1852 * 1853 * We only care whether media is loaded if this is a cd-specific ioctl 1854 * (thus the IOCGROUP check below). Note that this will break if 1855 * anyone adds any ioctls into the switch statement below that don't 1856 * have their ioctl group set to 'c'. 1857 */ 1858 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1859 && ((cmd != CDIOCCLOSE) 1860 && (cmd != CDIOCEJECT)) 1861 && (IOCGROUP(cmd) == 'c')) { 1862 error = cdcheckmedia(periph); 1863 if (error != 0) { 1864 cam_periph_unhold(periph); 1865 cam_periph_unlock(periph); 1866 return (error); 1867 } 1868 } 1869 /* 1870 * Drop the lock here so later mallocs can use WAITOK. The periph 1871 * is essentially locked still with the cam_periph_hold call above. 1872 */ 1873 cam_periph_unlock(periph); 1874 1875 nocopyout = 0; 1876 switch (cmd) { 1877 1878 case CDIOCPLAYTRACKS: 1879 { 1880 struct ioc_play_track *args 1881 = (struct ioc_play_track *) addr; 1882 struct cd_mode_params params; 1883 union cd_pages *page; 1884 1885 params.alloc_len = sizeof(union cd_mode_data_6_10); 1886 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1887 M_WAITOK | M_ZERO); 1888 1889 cam_periph_lock(periph); 1890 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1891 ("trying to do CDIOCPLAYTRACKS\n")); 1892 1893 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1894 if (error) { 1895 free(params.mode_buf, M_SCSICD); 1896 cam_periph_unlock(periph); 1897 break; 1898 } 1899 page = cdgetpage(¶ms); 1900 1901 page->audio.flags &= ~CD_PA_SOTC; 1902 page->audio.flags |= CD_PA_IMMED; 1903 error = cdsetmode(periph, ¶ms); 1904 free(params.mode_buf, M_SCSICD); 1905 if (error) { 1906 cam_periph_unlock(periph); 1907 break; 1908 } 1909 1910 /* 1911 * This was originally implemented with the PLAY 1912 * AUDIO TRACK INDEX command, but that command was 1913 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1914 * drives support it but ATAPI and ATAPI-derivative 1915 * drives don't seem to support it. So we keep a 1916 * cache of the table of contents and translate 1917 * track numbers to MSF format. 1918 */ 1919 if (softc->flags & CD_FLAG_VALID_TOC) { 1920 union msf_lba *sentry, *eentry; 1921 int st, et; 1922 1923 if (args->end_track < 1924 softc->toc.header.ending_track + 1) 1925 args->end_track++; 1926 if (args->end_track > 1927 softc->toc.header.ending_track + 1) 1928 args->end_track = 1929 softc->toc.header.ending_track + 1; 1930 st = args->start_track - 1931 softc->toc.header.starting_track; 1932 et = args->end_track - 1933 softc->toc.header.starting_track; 1934 if ((st < 0) 1935 || (et < 0) 1936 || (st > (softc->toc.header.ending_track - 1937 softc->toc.header.starting_track))) { 1938 error = EINVAL; 1939 break; 1940 } 1941 sentry = &softc->toc.entries[st].addr; 1942 eentry = &softc->toc.entries[et].addr; 1943 error = cdplaymsf(periph, 1944 sentry->msf.minute, 1945 sentry->msf.second, 1946 sentry->msf.frame, 1947 eentry->msf.minute, 1948 eentry->msf.second, 1949 eentry->msf.frame); 1950 } else { 1951 /* 1952 * If we don't have a valid TOC, try the 1953 * play track index command. It is part of 1954 * the SCSI-2 spec, but was removed in the 1955 * MMC specs. ATAPI and ATAPI-derived 1956 * drives don't support it. 1957 */ 1958 if (softc->quirks & CD_Q_BCD_TRACKS) { 1959 args->start_track = 1960 bin2bcd(args->start_track); 1961 args->end_track = 1962 bin2bcd(args->end_track); 1963 } 1964 error = cdplaytracks(periph, 1965 args->start_track, 1966 args->start_index, 1967 args->end_track, 1968 args->end_index); 1969 } 1970 cam_periph_unlock(periph); 1971 } 1972 break; 1973 case CDIOCPLAYMSF: 1974 { 1975 struct ioc_play_msf *args 1976 = (struct ioc_play_msf *) addr; 1977 struct cd_mode_params params; 1978 union cd_pages *page; 1979 1980 params.alloc_len = sizeof(union cd_mode_data_6_10); 1981 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1982 M_WAITOK | M_ZERO); 1983 1984 cam_periph_lock(periph); 1985 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1986 ("trying to do CDIOCPLAYMSF\n")); 1987 1988 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1989 if (error) { 1990 free(params.mode_buf, M_SCSICD); 1991 cam_periph_unlock(periph); 1992 break; 1993 } 1994 page = cdgetpage(¶ms); 1995 1996 page->audio.flags &= ~CD_PA_SOTC; 1997 page->audio.flags |= CD_PA_IMMED; 1998 error = cdsetmode(periph, ¶ms); 1999 free(params.mode_buf, M_SCSICD); 2000 if (error) { 2001 cam_periph_unlock(periph); 2002 break; 2003 } 2004 error = cdplaymsf(periph, 2005 args->start_m, 2006 args->start_s, 2007 args->start_f, 2008 args->end_m, 2009 args->end_s, 2010 args->end_f); 2011 cam_periph_unlock(periph); 2012 } 2013 break; 2014 case CDIOCPLAYBLOCKS: 2015 { 2016 struct ioc_play_blocks *args 2017 = (struct ioc_play_blocks *) addr; 2018 struct cd_mode_params params; 2019 union cd_pages *page; 2020 2021 params.alloc_len = sizeof(union cd_mode_data_6_10); 2022 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2023 M_WAITOK | M_ZERO); 2024 2025 cam_periph_lock(periph); 2026 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2027 ("trying to do CDIOCPLAYBLOCKS\n")); 2028 2029 2030 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2031 if (error) { 2032 free(params.mode_buf, M_SCSICD); 2033 cam_periph_unlock(periph); 2034 break; 2035 } 2036 page = cdgetpage(¶ms); 2037 2038 page->audio.flags &= ~CD_PA_SOTC; 2039 page->audio.flags |= CD_PA_IMMED; 2040 error = cdsetmode(periph, ¶ms); 2041 free(params.mode_buf, M_SCSICD); 2042 if (error) { 2043 cam_periph_unlock(periph); 2044 break; 2045 } 2046 error = cdplay(periph, args->blk, args->len); 2047 cam_periph_unlock(periph); 2048 } 2049 break; 2050 case CDIOCREADSUBCHANNEL_SYSSPACE: 2051 nocopyout = 1; 2052 /* Fallthrough */ 2053 case CDIOCREADSUBCHANNEL: 2054 { 2055 struct ioc_read_subchannel *args 2056 = (struct ioc_read_subchannel *) addr; 2057 struct cd_sub_channel_info *data; 2058 u_int32_t len = args->data_len; 2059 2060 data = malloc(sizeof(struct cd_sub_channel_info), 2061 M_SCSICD, M_WAITOK); 2062 2063 cam_periph_lock(periph); 2064 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2065 ("trying to do CDIOCREADSUBCHANNEL\n")); 2066 2067 if ((len > sizeof(struct cd_sub_channel_info)) || 2068 (len < sizeof(struct cd_sub_channel_header))) { 2069 printf( 2070 "scsi_cd: cdioctl: " 2071 "cdioreadsubchannel: error, len=%d\n", 2072 len); 2073 error = EINVAL; 2074 free(data, M_SCSICD); 2075 cam_periph_unlock(periph); 2076 break; 2077 } 2078 2079 if (softc->quirks & CD_Q_BCD_TRACKS) 2080 args->track = bin2bcd(args->track); 2081 2082 error = cdreadsubchannel(periph, args->address_format, 2083 args->data_format, args->track, data, len); 2084 2085 if (error) { 2086 free(data, M_SCSICD); 2087 cam_periph_unlock(periph); 2088 break; 2089 } 2090 if (softc->quirks & CD_Q_BCD_TRACKS) 2091 data->what.track_info.track_number = 2092 bcd2bin(data->what.track_info.track_number); 2093 len = min(len, ((data->header.data_len[0] << 8) + 2094 data->header.data_len[1] + 2095 sizeof(struct cd_sub_channel_header))); 2096 cam_periph_unlock(periph); 2097 if (nocopyout == 0) { 2098 if (copyout(data, args->data, len) != 0) { 2099 error = EFAULT; 2100 } 2101 } else { 2102 bcopy(data, args->data, len); 2103 } 2104 free(data, M_SCSICD); 2105 } 2106 break; 2107 2108 case CDIOREADTOCHEADER: 2109 { 2110 struct ioc_toc_header *th; 2111 2112 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2113 M_WAITOK); 2114 2115 cam_periph_lock(periph); 2116 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2117 ("trying to do CDIOREADTOCHEADER\n")); 2118 2119 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2120 sizeof (*th), /*sense_flags*/0); 2121 if (error) { 2122 free(th, M_SCSICD); 2123 cam_periph_unlock(periph); 2124 break; 2125 } 2126 if (softc->quirks & CD_Q_BCD_TRACKS) { 2127 /* we are going to have to convert the BCD 2128 * encoding on the cd to what is expected 2129 */ 2130 th->starting_track = 2131 bcd2bin(th->starting_track); 2132 th->ending_track = bcd2bin(th->ending_track); 2133 } 2134 th->len = ntohs(th->len); 2135 bcopy(th, addr, sizeof(*th)); 2136 free(th, M_SCSICD); 2137 cam_periph_unlock(periph); 2138 } 2139 break; 2140 case CDIOREADTOCENTRYS: 2141 { 2142 struct cd_tocdata *data; 2143 struct cd_toc_single *lead; 2144 struct ioc_read_toc_entry *te = 2145 (struct ioc_read_toc_entry *) addr; 2146 struct ioc_toc_header *th; 2147 u_int32_t len, readlen, idx, num; 2148 u_int32_t starting_track = te->starting_track; 2149 2150 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2151 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2152 2153 cam_periph_lock(periph); 2154 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2155 ("trying to do CDIOREADTOCENTRYS\n")); 2156 2157 if (te->data_len < sizeof(struct cd_toc_entry) 2158 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2159 || (te->address_format != CD_MSF_FORMAT 2160 && te->address_format != CD_LBA_FORMAT)) { 2161 error = EINVAL; 2162 printf("scsi_cd: error in readtocentries, " 2163 "returning EINVAL\n"); 2164 free(data, M_SCSICD); 2165 free(lead, M_SCSICD); 2166 cam_periph_unlock(periph); 2167 break; 2168 } 2169 2170 th = &data->header; 2171 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2172 sizeof (*th), /*sense_flags*/0); 2173 if (error) { 2174 free(data, M_SCSICD); 2175 free(lead, M_SCSICD); 2176 cam_periph_unlock(periph); 2177 break; 2178 } 2179 2180 if (softc->quirks & CD_Q_BCD_TRACKS) { 2181 /* we are going to have to convert the BCD 2182 * encoding on the cd to what is expected 2183 */ 2184 th->starting_track = 2185 bcd2bin(th->starting_track); 2186 th->ending_track = bcd2bin(th->ending_track); 2187 } 2188 2189 if (starting_track == 0) 2190 starting_track = th->starting_track; 2191 else if (starting_track == LEADOUT) 2192 starting_track = th->ending_track + 1; 2193 else if (starting_track < th->starting_track || 2194 starting_track > th->ending_track + 1) { 2195 printf("scsi_cd: error in readtocentries, " 2196 "returning EINVAL\n"); 2197 free(data, M_SCSICD); 2198 free(lead, M_SCSICD); 2199 cam_periph_unlock(periph); 2200 error = EINVAL; 2201 break; 2202 } 2203 2204 /* calculate reading length without leadout entry */ 2205 readlen = (th->ending_track - starting_track + 1) * 2206 sizeof(struct cd_toc_entry); 2207 2208 /* and with leadout entry */ 2209 len = readlen + sizeof(struct cd_toc_entry); 2210 if (te->data_len < len) { 2211 len = te->data_len; 2212 if (readlen > len) 2213 readlen = len; 2214 } 2215 if (len > sizeof(data->entries)) { 2216 printf("scsi_cd: error in readtocentries, " 2217 "returning EINVAL\n"); 2218 error = EINVAL; 2219 free(data, M_SCSICD); 2220 free(lead, M_SCSICD); 2221 cam_periph_unlock(periph); 2222 break; 2223 } 2224 num = len / sizeof(struct cd_toc_entry); 2225 2226 if (readlen > 0) { 2227 error = cdreadtoc(periph, te->address_format, 2228 starting_track, 2229 (u_int8_t *)data, 2230 readlen + sizeof (*th), 2231 /*sense_flags*/0); 2232 if (error) { 2233 free(data, M_SCSICD); 2234 free(lead, M_SCSICD); 2235 cam_periph_unlock(periph); 2236 break; 2237 } 2238 } 2239 2240 /* make leadout entry if needed */ 2241 idx = starting_track + num - 1; 2242 if (softc->quirks & CD_Q_BCD_TRACKS) 2243 th->ending_track = bcd2bin(th->ending_track); 2244 if (idx == th->ending_track + 1) { 2245 error = cdreadtoc(periph, te->address_format, 2246 LEADOUT, (u_int8_t *)lead, 2247 sizeof(*lead), 2248 /*sense_flags*/0); 2249 if (error) { 2250 free(data, M_SCSICD); 2251 free(lead, M_SCSICD); 2252 cam_periph_unlock(periph); 2253 break; 2254 } 2255 data->entries[idx - starting_track] = 2256 lead->entry; 2257 } 2258 if (softc->quirks & CD_Q_BCD_TRACKS) { 2259 for (idx = 0; idx < num - 1; idx++) { 2260 data->entries[idx].track = 2261 bcd2bin(data->entries[idx].track); 2262 } 2263 } 2264 2265 cam_periph_unlock(periph); 2266 error = copyout(data->entries, te->data, len); 2267 free(data, M_SCSICD); 2268 free(lead, M_SCSICD); 2269 } 2270 break; 2271 case CDIOREADTOCENTRY: 2272 { 2273 struct cd_toc_single *data; 2274 struct ioc_read_toc_single_entry *te = 2275 (struct ioc_read_toc_single_entry *) addr; 2276 struct ioc_toc_header *th; 2277 u_int32_t track; 2278 2279 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2280 2281 cam_periph_lock(periph); 2282 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2283 ("trying to do CDIOREADTOCENTRY\n")); 2284 2285 if (te->address_format != CD_MSF_FORMAT 2286 && te->address_format != CD_LBA_FORMAT) { 2287 printf("error in readtocentry, " 2288 " returning EINVAL\n"); 2289 free(data, M_SCSICD); 2290 error = EINVAL; 2291 cam_periph_unlock(periph); 2292 break; 2293 } 2294 2295 th = &data->header; 2296 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2297 sizeof (*th), /*sense_flags*/0); 2298 if (error) { 2299 free(data, M_SCSICD); 2300 cam_periph_unlock(periph); 2301 break; 2302 } 2303 2304 if (softc->quirks & CD_Q_BCD_TRACKS) { 2305 /* we are going to have to convert the BCD 2306 * encoding on the cd to what is expected 2307 */ 2308 th->starting_track = 2309 bcd2bin(th->starting_track); 2310 th->ending_track = bcd2bin(th->ending_track); 2311 } 2312 track = te->track; 2313 if (track == 0) 2314 track = th->starting_track; 2315 else if (track == LEADOUT) 2316 /* OK */; 2317 else if (track < th->starting_track || 2318 track > th->ending_track + 1) { 2319 printf("error in readtocentry, " 2320 " returning EINVAL\n"); 2321 free(data, M_SCSICD); 2322 error = EINVAL; 2323 cam_periph_unlock(periph); 2324 break; 2325 } 2326 2327 error = cdreadtoc(periph, te->address_format, track, 2328 (u_int8_t *)data, sizeof(*data), 2329 /*sense_flags*/0); 2330 if (error) { 2331 free(data, M_SCSICD); 2332 cam_periph_unlock(periph); 2333 break; 2334 } 2335 2336 if (softc->quirks & CD_Q_BCD_TRACKS) 2337 data->entry.track = bcd2bin(data->entry.track); 2338 bcopy(&data->entry, &te->entry, 2339 sizeof(struct cd_toc_entry)); 2340 free(data, M_SCSICD); 2341 cam_periph_unlock(periph); 2342 } 2343 break; 2344 case CDIOCSETPATCH: 2345 { 2346 struct ioc_patch *arg = (struct ioc_patch *)addr; 2347 struct cd_mode_params params; 2348 union cd_pages *page; 2349 2350 params.alloc_len = sizeof(union cd_mode_data_6_10); 2351 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2352 M_WAITOK | M_ZERO); 2353 2354 cam_periph_lock(periph); 2355 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2356 ("trying to do CDIOCSETPATCH\n")); 2357 2358 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2359 if (error) { 2360 free(params.mode_buf, M_SCSICD); 2361 cam_periph_unlock(periph); 2362 break; 2363 } 2364 page = cdgetpage(¶ms); 2365 2366 page->audio.port[LEFT_PORT].channels = 2367 arg->patch[0]; 2368 page->audio.port[RIGHT_PORT].channels = 2369 arg->patch[1]; 2370 page->audio.port[2].channels = arg->patch[2]; 2371 page->audio.port[3].channels = arg->patch[3]; 2372 error = cdsetmode(periph, ¶ms); 2373 free(params.mode_buf, M_SCSICD); 2374 cam_periph_unlock(periph); 2375 } 2376 break; 2377 case CDIOCGETVOL: 2378 { 2379 struct ioc_vol *arg = (struct ioc_vol *) addr; 2380 struct cd_mode_params params; 2381 union cd_pages *page; 2382 2383 params.alloc_len = sizeof(union cd_mode_data_6_10); 2384 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2385 M_WAITOK | M_ZERO); 2386 2387 cam_periph_lock(periph); 2388 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2389 ("trying to do CDIOCGETVOL\n")); 2390 2391 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2392 if (error) { 2393 free(params.mode_buf, M_SCSICD); 2394 cam_periph_unlock(periph); 2395 break; 2396 } 2397 page = cdgetpage(¶ms); 2398 2399 arg->vol[LEFT_PORT] = 2400 page->audio.port[LEFT_PORT].volume; 2401 arg->vol[RIGHT_PORT] = 2402 page->audio.port[RIGHT_PORT].volume; 2403 arg->vol[2] = page->audio.port[2].volume; 2404 arg->vol[3] = page->audio.port[3].volume; 2405 free(params.mode_buf, M_SCSICD); 2406 cam_periph_unlock(periph); 2407 } 2408 break; 2409 case CDIOCSETVOL: 2410 { 2411 struct ioc_vol *arg = (struct ioc_vol *) addr; 2412 struct cd_mode_params params; 2413 union cd_pages *page; 2414 2415 params.alloc_len = sizeof(union cd_mode_data_6_10); 2416 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2417 M_WAITOK | M_ZERO); 2418 2419 cam_periph_lock(periph); 2420 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2421 ("trying to do CDIOCSETVOL\n")); 2422 2423 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2424 if (error) { 2425 free(params.mode_buf, M_SCSICD); 2426 cam_periph_unlock(periph); 2427 break; 2428 } 2429 page = cdgetpage(¶ms); 2430 2431 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2432 page->audio.port[LEFT_PORT].volume = 2433 arg->vol[LEFT_PORT]; 2434 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2435 page->audio.port[RIGHT_PORT].volume = 2436 arg->vol[RIGHT_PORT]; 2437 page->audio.port[2].volume = arg->vol[2]; 2438 page->audio.port[3].volume = arg->vol[3]; 2439 error = cdsetmode(periph, ¶ms); 2440 cam_periph_unlock(periph); 2441 free(params.mode_buf, M_SCSICD); 2442 } 2443 break; 2444 case CDIOCSETMONO: 2445 { 2446 struct cd_mode_params params; 2447 union cd_pages *page; 2448 2449 params.alloc_len = sizeof(union cd_mode_data_6_10); 2450 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2451 M_WAITOK | M_ZERO); 2452 2453 cam_periph_lock(periph); 2454 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2455 ("trying to do CDIOCSETMONO\n")); 2456 2457 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2458 if (error) { 2459 free(params.mode_buf, M_SCSICD); 2460 cam_periph_unlock(periph); 2461 break; 2462 } 2463 page = cdgetpage(¶ms); 2464 2465 page->audio.port[LEFT_PORT].channels = 2466 LEFT_CHANNEL | RIGHT_CHANNEL; 2467 page->audio.port[RIGHT_PORT].channels = 2468 LEFT_CHANNEL | RIGHT_CHANNEL; 2469 page->audio.port[2].channels = 0; 2470 page->audio.port[3].channels = 0; 2471 error = cdsetmode(periph, ¶ms); 2472 cam_periph_unlock(periph); 2473 free(params.mode_buf, M_SCSICD); 2474 } 2475 break; 2476 case CDIOCSETSTEREO: 2477 { 2478 struct cd_mode_params params; 2479 union cd_pages *page; 2480 2481 params.alloc_len = sizeof(union cd_mode_data_6_10); 2482 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2483 M_WAITOK | M_ZERO); 2484 2485 cam_periph_lock(periph); 2486 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2487 ("trying to do CDIOCSETSTEREO\n")); 2488 2489 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2490 if (error) { 2491 free(params.mode_buf, M_SCSICD); 2492 cam_periph_unlock(periph); 2493 break; 2494 } 2495 page = cdgetpage(¶ms); 2496 2497 page->audio.port[LEFT_PORT].channels = 2498 LEFT_CHANNEL; 2499 page->audio.port[RIGHT_PORT].channels = 2500 RIGHT_CHANNEL; 2501 page->audio.port[2].channels = 0; 2502 page->audio.port[3].channels = 0; 2503 error = cdsetmode(periph, ¶ms); 2504 free(params.mode_buf, M_SCSICD); 2505 cam_periph_unlock(periph); 2506 } 2507 break; 2508 case CDIOCSETMUTE: 2509 { 2510 struct cd_mode_params params; 2511 union cd_pages *page; 2512 2513 params.alloc_len = sizeof(union cd_mode_data_6_10); 2514 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2515 M_WAITOK | M_ZERO); 2516 2517 cam_periph_lock(periph); 2518 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2519 ("trying to do CDIOCSETMUTE\n")); 2520 2521 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2522 if (error) { 2523 free(¶ms, M_SCSICD); 2524 cam_periph_unlock(periph); 2525 break; 2526 } 2527 page = cdgetpage(¶ms); 2528 2529 page->audio.port[LEFT_PORT].channels = 0; 2530 page->audio.port[RIGHT_PORT].channels = 0; 2531 page->audio.port[2].channels = 0; 2532 page->audio.port[3].channels = 0; 2533 error = cdsetmode(periph, ¶ms); 2534 free(params.mode_buf, M_SCSICD); 2535 cam_periph_unlock(periph); 2536 } 2537 break; 2538 case CDIOCSETLEFT: 2539 { 2540 struct cd_mode_params params; 2541 union cd_pages *page; 2542 2543 params.alloc_len = sizeof(union cd_mode_data_6_10); 2544 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2545 M_WAITOK | M_ZERO); 2546 2547 cam_periph_lock(periph); 2548 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2549 ("trying to do CDIOCSETLEFT\n")); 2550 2551 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2552 if (error) { 2553 free(params.mode_buf, M_SCSICD); 2554 cam_periph_unlock(periph); 2555 break; 2556 } 2557 page = cdgetpage(¶ms); 2558 2559 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2560 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2561 page->audio.port[2].channels = 0; 2562 page->audio.port[3].channels = 0; 2563 error = cdsetmode(periph, ¶ms); 2564 free(params.mode_buf, M_SCSICD); 2565 cam_periph_unlock(periph); 2566 } 2567 break; 2568 case CDIOCSETRIGHT: 2569 { 2570 struct cd_mode_params params; 2571 union cd_pages *page; 2572 2573 params.alloc_len = sizeof(union cd_mode_data_6_10); 2574 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2575 M_WAITOK | M_ZERO); 2576 2577 cam_periph_lock(periph); 2578 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2579 ("trying to do CDIOCSETRIGHT\n")); 2580 2581 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2582 if (error) { 2583 free(params.mode_buf, M_SCSICD); 2584 cam_periph_unlock(periph); 2585 break; 2586 } 2587 page = cdgetpage(¶ms); 2588 2589 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2590 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2591 page->audio.port[2].channels = 0; 2592 page->audio.port[3].channels = 0; 2593 error = cdsetmode(periph, ¶ms); 2594 free(params.mode_buf, M_SCSICD); 2595 cam_periph_unlock(periph); 2596 } 2597 break; 2598 case CDIOCRESUME: 2599 cam_periph_lock(periph); 2600 error = cdpause(periph, 1); 2601 cam_periph_unlock(periph); 2602 break; 2603 case CDIOCPAUSE: 2604 cam_periph_lock(periph); 2605 error = cdpause(periph, 0); 2606 cam_periph_unlock(periph); 2607 break; 2608 case CDIOCSTART: 2609 cam_periph_lock(periph); 2610 error = cdstartunit(periph, 0); 2611 cam_periph_unlock(periph); 2612 break; 2613 case CDIOCCLOSE: 2614 cam_periph_lock(periph); 2615 error = cdstartunit(periph, 1); 2616 cam_periph_unlock(periph); 2617 break; 2618 case CDIOCSTOP: 2619 cam_periph_lock(periph); 2620 error = cdstopunit(periph, 0); 2621 cam_periph_unlock(periph); 2622 break; 2623 case CDIOCEJECT: 2624 cam_periph_lock(periph); 2625 error = cdstopunit(periph, 1); 2626 cam_periph_unlock(periph); 2627 break; 2628 case CDIOCALLOW: 2629 cam_periph_lock(periph); 2630 cdprevent(periph, PR_ALLOW); 2631 cam_periph_unlock(periph); 2632 break; 2633 case CDIOCPREVENT: 2634 cam_periph_lock(periph); 2635 cdprevent(periph, PR_PREVENT); 2636 cam_periph_unlock(periph); 2637 break; 2638 case CDIOCSETDEBUG: 2639 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2640 error = ENOTTY; 2641 break; 2642 case CDIOCCLRDEBUG: 2643 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2644 error = ENOTTY; 2645 break; 2646 case CDIOCRESET: 2647 /* return (cd_reset(periph)); */ 2648 error = ENOTTY; 2649 break; 2650 case CDRIOCREADSPEED: 2651 cam_periph_lock(periph); 2652 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2653 cam_periph_unlock(periph); 2654 break; 2655 case CDRIOCWRITESPEED: 2656 cam_periph_lock(periph); 2657 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2658 cam_periph_unlock(periph); 2659 break; 2660 case DVDIOCSENDKEY: 2661 case DVDIOCREPORTKEY: { 2662 struct dvd_authinfo *authinfo; 2663 2664 authinfo = (struct dvd_authinfo *)addr; 2665 2666 cam_periph_lock(periph); 2667 if (cmd == DVDIOCREPORTKEY) 2668 error = cdreportkey(periph, authinfo); 2669 else 2670 error = cdsendkey(periph, authinfo); 2671 cam_periph_unlock(periph); 2672 break; 2673 } 2674 case DVDIOCREADSTRUCTURE: { 2675 struct dvd_struct *dvdstruct; 2676 2677 dvdstruct = (struct dvd_struct *)addr; 2678 2679 cam_periph_lock(periph); 2680 error = cdreaddvdstructure(periph, dvdstruct); 2681 cam_periph_unlock(periph); 2682 2683 break; 2684 } 2685 default: 2686 cam_periph_lock(periph); 2687 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2688 cam_periph_unlock(periph); 2689 break; 2690 } 2691 2692 cam_periph_lock(periph); 2693 cam_periph_unhold(periph); 2694 2695 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2696 if (error && bootverbose) { 2697 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2698 } 2699 cam_periph_unlock(periph); 2700 2701 return (error); 2702 } 2703 2704 static void 2705 cdprevent(struct cam_periph *periph, int action) 2706 { 2707 union ccb *ccb; 2708 struct cd_softc *softc; 2709 int error; 2710 2711 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2712 2713 softc = (struct cd_softc *)periph->softc; 2714 2715 if (((action == PR_ALLOW) 2716 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2717 || ((action == PR_PREVENT) 2718 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2719 return; 2720 } 2721 2722 ccb = cdgetccb(periph, /* priority */ 1); 2723 2724 scsi_prevent(&ccb->csio, 2725 /*retries*/ 1, 2726 cddone, 2727 MSG_SIMPLE_Q_TAG, 2728 action, 2729 SSD_FULL_SIZE, 2730 /* timeout */60000); 2731 2732 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2733 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2734 2735 xpt_release_ccb(ccb); 2736 2737 if (error == 0) { 2738 if (action == PR_ALLOW) 2739 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2740 else 2741 softc->flags |= CD_FLAG_DISC_LOCKED; 2742 } 2743 } 2744 2745 /* 2746 * XXX: the disk media and sector size is only really able to change 2747 * XXX: while the device is closed. 2748 */ 2749 static int 2750 cdcheckmedia(struct cam_periph *periph) 2751 { 2752 struct cd_softc *softc; 2753 struct ioc_toc_header *toch; 2754 struct cd_toc_single leadout; 2755 u_int32_t size, toclen; 2756 int error, num_entries, cdindex; 2757 2758 softc = (struct cd_softc *)periph->softc; 2759 2760 cdprevent(periph, PR_PREVENT); 2761 softc->disk->d_maxsize = DFLTPHYS; 2762 softc->disk->d_sectorsize = 2048; 2763 softc->disk->d_mediasize = 0; 2764 2765 /* 2766 * Get the disc size and block size. If we can't get it, we don't 2767 * have media, most likely. 2768 */ 2769 if ((error = cdsize(periph, &size)) != 0) { 2770 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2771 cdprevent(periph, PR_ALLOW); 2772 return (error); 2773 } else 2774 softc->flags |= CD_FLAG_VALID_MEDIA; 2775 2776 /* 2777 * Now we check the table of contents. This (currently) is only 2778 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2779 * things like present a separate entry in /dev for each track, 2780 * like that acd(4) driver does. 2781 */ 2782 bzero(&softc->toc, sizeof(softc->toc)); 2783 toch = &softc->toc.header; 2784 /* 2785 * We will get errors here for media that doesn't have a table of 2786 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2787 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2788 * has not been recorded (no complete session) and the Format codes 2789 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2790 * with an INVALID FIELD IN CDB. Devices that are not capable of 2791 * reading an incomplete session on DDC/CD-R/RW media shall report 2792 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2793 * 2794 * So this isn't fatal if we can't read the table of contents, it 2795 * just means that the user won't be able to issue the play tracks 2796 * ioctl, and likely lots of other stuff won't work either. They 2797 * need to burn the CD before we can do a whole lot with it. So 2798 * we don't print anything here if we get an error back. 2799 */ 2800 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2801 SF_NO_PRINT); 2802 /* 2803 * Errors in reading the table of contents aren't fatal, we just 2804 * won't have a valid table of contents cached. 2805 */ 2806 if (error != 0) { 2807 error = 0; 2808 bzero(&softc->toc, sizeof(softc->toc)); 2809 goto bailout; 2810 } 2811 2812 if (softc->quirks & CD_Q_BCD_TRACKS) { 2813 toch->starting_track = bcd2bin(toch->starting_track); 2814 toch->ending_track = bcd2bin(toch->ending_track); 2815 } 2816 2817 /* Number of TOC entries, plus leadout */ 2818 num_entries = (toch->ending_track - toch->starting_track) + 2; 2819 2820 if (num_entries <= 0) 2821 goto bailout; 2822 2823 toclen = num_entries * sizeof(struct cd_toc_entry); 2824 2825 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2826 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2827 SF_NO_PRINT); 2828 if (error != 0) { 2829 error = 0; 2830 bzero(&softc->toc, sizeof(softc->toc)); 2831 goto bailout; 2832 } 2833 2834 if (softc->quirks & CD_Q_BCD_TRACKS) { 2835 toch->starting_track = bcd2bin(toch->starting_track); 2836 toch->ending_track = bcd2bin(toch->ending_track); 2837 } 2838 /* 2839 * XXX KDM is this necessary? Probably only if the drive doesn't 2840 * return leadout information with the table of contents. 2841 */ 2842 cdindex = toch->starting_track + num_entries -1; 2843 if (cdindex == toch->ending_track + 1) { 2844 2845 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2846 (u_int8_t *)&leadout, sizeof(leadout), 2847 SF_NO_PRINT); 2848 if (error != 0) { 2849 error = 0; 2850 goto bailout; 2851 } 2852 softc->toc.entries[cdindex - toch->starting_track] = 2853 leadout.entry; 2854 } 2855 if (softc->quirks & CD_Q_BCD_TRACKS) { 2856 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2857 softc->toc.entries[cdindex].track = 2858 bcd2bin(softc->toc.entries[cdindex].track); 2859 } 2860 } 2861 2862 softc->flags |= CD_FLAG_VALID_TOC; 2863 softc->disk->d_maxsize = DFLTPHYS; 2864 softc->disk->d_sectorsize = softc->params.blksize; 2865 softc->disk->d_mediasize = 2866 (off_t)softc->params.blksize * softc->params.disksize; 2867 2868 bailout: 2869 2870 /* 2871 * We unconditionally (re)set the blocksize each time the 2872 * CD device is opened. This is because the CD can change, 2873 * and therefore the blocksize might change. 2874 * XXX problems here if some slice or partition is still 2875 * open with the old size? 2876 */ 2877 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2878 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2879 softc->disk->d_devstat->block_size = softc->params.blksize; 2880 2881 return (error); 2882 } 2883 2884 static int 2885 cdsize(struct cam_periph *periph, u_int32_t *size) 2886 { 2887 struct cd_softc *softc; 2888 union ccb *ccb; 2889 struct scsi_read_capacity_data *rcap_buf; 2890 int error; 2891 2892 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2893 2894 softc = (struct cd_softc *)periph->softc; 2895 2896 ccb = cdgetccb(periph, /* priority */ 1); 2897 2898 /* XXX Should be M_WAITOK */ 2899 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2900 M_SCSICD, M_NOWAIT); 2901 if (rcap_buf == NULL) 2902 return (ENOMEM); 2903 2904 scsi_read_capacity(&ccb->csio, 2905 /*retries*/ 1, 2906 cddone, 2907 MSG_SIMPLE_Q_TAG, 2908 rcap_buf, 2909 SSD_FULL_SIZE, 2910 /* timeout */20000); 2911 2912 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2913 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2914 2915 xpt_release_ccb(ccb); 2916 2917 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2918 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2919 /* 2920 * SCSI-3 mandates that the reported blocksize shall be 2048. 2921 * Older drives sometimes report funny values, trim it down to 2922 * 2048, or other parts of the kernel will get confused. 2923 * 2924 * XXX we leave drives alone that might report 512 bytes, as 2925 * well as drives reporting more weird sizes like perhaps 4K. 2926 */ 2927 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2928 softc->params.blksize = 2048; 2929 2930 free(rcap_buf, M_SCSICD); 2931 *size = softc->params.disksize; 2932 2933 return (error); 2934 2935 } 2936 2937 static int 2938 cd6byteworkaround(union ccb *ccb) 2939 { 2940 u_int8_t *cdb; 2941 struct cam_periph *periph; 2942 struct cd_softc *softc; 2943 struct cd_mode_params *params; 2944 int frozen, found; 2945 2946 periph = xpt_path_periph(ccb->ccb_h.path); 2947 softc = (struct cd_softc *)periph->softc; 2948 2949 cdb = ccb->csio.cdb_io.cdb_bytes; 2950 2951 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2952 || ((cdb[0] != MODE_SENSE_6) 2953 && (cdb[0] != MODE_SELECT_6))) 2954 return (0); 2955 2956 /* 2957 * Because there is no convenient place to stash the overall 2958 * cd_mode_params structure pointer, we have to grab it like this. 2959 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2960 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2961 * 2962 * XXX It would be nice if, at some point, we could increase the 2963 * number of available peripheral private pointers. Both pointers 2964 * are currently used in most every peripheral driver. 2965 */ 2966 found = 0; 2967 2968 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2969 if (params->mode_buf == ccb->csio.data_ptr) { 2970 found = 1; 2971 break; 2972 } 2973 } 2974 2975 /* 2976 * This shouldn't happen. All mode sense and mode select 2977 * operations in the cd(4) driver MUST go through cdgetmode() and 2978 * cdsetmode()! 2979 */ 2980 if (found == 0) { 2981 xpt_print(periph->path, 2982 "mode buffer not found in mode queue!\n"); 2983 return (0); 2984 } 2985 2986 params->cdb_size = 10; 2987 softc->minimum_command_size = 10; 2988 xpt_print(ccb->ccb_h.path, 2989 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2990 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2991 2992 if (cdb[0] == MODE_SENSE_6) { 2993 struct scsi_mode_sense_10 ms10; 2994 struct scsi_mode_sense_6 *ms6; 2995 int len; 2996 2997 ms6 = (struct scsi_mode_sense_6 *)cdb; 2998 2999 bzero(&ms10, sizeof(ms10)); 3000 ms10.opcode = MODE_SENSE_10; 3001 ms10.byte2 = ms6->byte2; 3002 ms10.page = ms6->page; 3003 3004 /* 3005 * 10 byte mode header, block descriptor, 3006 * sizeof(union cd_pages) 3007 */ 3008 len = sizeof(struct cd_mode_data_10); 3009 ccb->csio.dxfer_len = len; 3010 3011 scsi_ulto2b(len, ms10.length); 3012 ms10.control = ms6->control; 3013 bcopy(&ms10, cdb, 10); 3014 ccb->csio.cdb_len = 10; 3015 } else { 3016 struct scsi_mode_select_10 ms10; 3017 struct scsi_mode_select_6 *ms6; 3018 struct scsi_mode_header_6 *header6; 3019 struct scsi_mode_header_10 *header10; 3020 struct scsi_mode_page_header *page_header; 3021 int blk_desc_len, page_num, page_size, len; 3022 3023 ms6 = (struct scsi_mode_select_6 *)cdb; 3024 3025 bzero(&ms10, sizeof(ms10)); 3026 ms10.opcode = MODE_SELECT_10; 3027 ms10.byte2 = ms6->byte2; 3028 3029 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3030 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3031 3032 page_header = find_mode_page_6(header6); 3033 page_num = page_header->page_code; 3034 3035 blk_desc_len = header6->blk_desc_len; 3036 3037 page_size = cdgetpagesize(page_num); 3038 3039 if (page_size != (page_header->page_length + 3040 sizeof(*page_header))) 3041 page_size = page_header->page_length + 3042 sizeof(*page_header); 3043 3044 len = sizeof(*header10) + blk_desc_len + page_size; 3045 3046 len = min(params->alloc_len, len); 3047 3048 /* 3049 * Since the 6 byte parameter header is shorter than the 10 3050 * byte parameter header, we need to copy the actual mode 3051 * page data, and the block descriptor, if any, so things wind 3052 * up in the right place. The regions will overlap, but 3053 * bcopy() does the right thing. 3054 */ 3055 bcopy(params->mode_buf + sizeof(*header6), 3056 params->mode_buf + sizeof(*header10), 3057 len - sizeof(*header10)); 3058 3059 /* Make sure these fields are set correctly. */ 3060 scsi_ulto2b(0, header10->data_length); 3061 header10->medium_type = 0; 3062 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3063 3064 ccb->csio.dxfer_len = len; 3065 3066 scsi_ulto2b(len, ms10.length); 3067 ms10.control = ms6->control; 3068 bcopy(&ms10, cdb, 10); 3069 ccb->csio.cdb_len = 10; 3070 } 3071 3072 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3073 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3074 xpt_action(ccb); 3075 if (frozen) { 3076 cam_release_devq(ccb->ccb_h.path, 3077 /*relsim_flags*/0, 3078 /*openings*/0, 3079 /*timeout*/0, 3080 /*getcount_only*/0); 3081 } 3082 3083 return (ERESTART); 3084 } 3085 3086 static int 3087 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3088 { 3089 struct cd_softc *softc; 3090 struct cam_periph *periph; 3091 int error; 3092 3093 periph = xpt_path_periph(ccb->ccb_h.path); 3094 softc = (struct cd_softc *)periph->softc; 3095 3096 error = 0; 3097 3098 /* 3099 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3100 * CDB comes back with this particular error, try transforming it 3101 * into the 10 byte version. 3102 */ 3103 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3104 error = cd6byteworkaround(ccb); 3105 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3106 CAM_SCSI_STATUS_ERROR) 3107 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3108 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3109 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3110 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3111 int sense_key, error_code, asc, ascq; 3112 3113 scsi_extract_sense(&ccb->csio.sense_data, 3114 &error_code, &sense_key, &asc, &ascq); 3115 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3116 error = cd6byteworkaround(ccb); 3117 } 3118 3119 if (error == ERESTART) 3120 return (error); 3121 3122 /* 3123 * XXX 3124 * Until we have a better way of doing pack validation, 3125 * don't treat UAs as errors. 3126 */ 3127 sense_flags |= SF_RETRY_UA; 3128 return (cam_periph_error(ccb, cam_flags, sense_flags, 3129 &softc->saved_ccb)); 3130 } 3131 3132 /* 3133 * Read table of contents 3134 */ 3135 static int 3136 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3137 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3138 { 3139 struct scsi_read_toc *scsi_cmd; 3140 u_int32_t ntoc; 3141 struct ccb_scsiio *csio; 3142 union ccb *ccb; 3143 int error; 3144 3145 ntoc = len; 3146 error = 0; 3147 3148 ccb = cdgetccb(periph, /* priority */ 1); 3149 3150 csio = &ccb->csio; 3151 3152 cam_fill_csio(csio, 3153 /* retries */ 1, 3154 /* cbfcnp */ cddone, 3155 /* flags */ CAM_DIR_IN, 3156 /* tag_action */ MSG_SIMPLE_Q_TAG, 3157 /* data_ptr */ data, 3158 /* dxfer_len */ len, 3159 /* sense_len */ SSD_FULL_SIZE, 3160 sizeof(struct scsi_read_toc), 3161 /* timeout */ 50000); 3162 3163 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3164 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3165 3166 if (mode == CD_MSF_FORMAT) 3167 scsi_cmd->byte2 |= CD_MSF; 3168 scsi_cmd->from_track = start; 3169 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3170 scsi_cmd->data_len[0] = (ntoc) >> 8; 3171 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3172 3173 scsi_cmd->op_code = READ_TOC; 3174 3175 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3176 /*sense_flags*/SF_RETRY_UA | sense_flags); 3177 3178 xpt_release_ccb(ccb); 3179 3180 return(error); 3181 } 3182 3183 static int 3184 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3185 u_int32_t format, int track, 3186 struct cd_sub_channel_info *data, u_int32_t len) 3187 { 3188 struct scsi_read_subchannel *scsi_cmd; 3189 struct ccb_scsiio *csio; 3190 union ccb *ccb; 3191 int error; 3192 3193 error = 0; 3194 3195 ccb = cdgetccb(periph, /* priority */ 1); 3196 3197 csio = &ccb->csio; 3198 3199 cam_fill_csio(csio, 3200 /* retries */ 1, 3201 /* cbfcnp */ cddone, 3202 /* flags */ CAM_DIR_IN, 3203 /* tag_action */ MSG_SIMPLE_Q_TAG, 3204 /* data_ptr */ (u_int8_t *)data, 3205 /* dxfer_len */ len, 3206 /* sense_len */ SSD_FULL_SIZE, 3207 sizeof(struct scsi_read_subchannel), 3208 /* timeout */ 50000); 3209 3210 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3211 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3212 3213 scsi_cmd->op_code = READ_SUBCHANNEL; 3214 if (mode == CD_MSF_FORMAT) 3215 scsi_cmd->byte1 |= CD_MSF; 3216 scsi_cmd->byte2 = SRS_SUBQ; 3217 scsi_cmd->subchan_format = format; 3218 scsi_cmd->track = track; 3219 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3220 scsi_cmd->control = 0; 3221 3222 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3223 /*sense_flags*/SF_RETRY_UA); 3224 3225 xpt_release_ccb(ccb); 3226 3227 return(error); 3228 } 3229 3230 3231 /* 3232 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3233 * routine. See comments in cd6byteworkaround() for details. 3234 */ 3235 static int 3236 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3237 u_int32_t page) 3238 { 3239 struct ccb_scsiio *csio; 3240 struct cd_softc *softc; 3241 union ccb *ccb; 3242 int param_len; 3243 int error; 3244 3245 softc = (struct cd_softc *)periph->softc; 3246 3247 ccb = cdgetccb(periph, /* priority */ 1); 3248 3249 csio = &ccb->csio; 3250 3251 data->cdb_size = softc->minimum_command_size; 3252 if (data->cdb_size < 10) 3253 param_len = sizeof(struct cd_mode_data); 3254 else 3255 param_len = sizeof(struct cd_mode_data_10); 3256 3257 /* Don't say we've got more room than we actually allocated */ 3258 param_len = min(param_len, data->alloc_len); 3259 3260 scsi_mode_sense_len(csio, 3261 /* retries */ 1, 3262 /* cbfcnp */ cddone, 3263 /* tag_action */ MSG_SIMPLE_Q_TAG, 3264 /* dbd */ 0, 3265 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3266 /* page */ page, 3267 /* param_buf */ data->mode_buf, 3268 /* param_len */ param_len, 3269 /* minimum_cmd_size */ softc->minimum_command_size, 3270 /* sense_len */ SSD_FULL_SIZE, 3271 /* timeout */ 50000); 3272 3273 /* 3274 * It would be nice not to have to do this, but there's no 3275 * available pointer in the CCB that would allow us to stuff the 3276 * mode params structure in there and retrieve it in 3277 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3278 * lets the caller know what CDB size we ended up using, so they 3279 * can find the actual mode page offset. 3280 */ 3281 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3282 3283 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3284 /*sense_flags*/SF_RETRY_UA); 3285 3286 xpt_release_ccb(ccb); 3287 3288 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3289 3290 /* 3291 * This is a bit of belt-and-suspenders checking, but if we run 3292 * into a situation where the target sends back multiple block 3293 * descriptors, we might not have enough space in the buffer to 3294 * see the whole mode page. Better to return an error than 3295 * potentially access memory beyond our malloced region. 3296 */ 3297 if (error == 0) { 3298 u_int32_t data_len; 3299 3300 if (data->cdb_size == 10) { 3301 struct scsi_mode_header_10 *hdr10; 3302 3303 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3304 data_len = scsi_2btoul(hdr10->data_length); 3305 data_len += sizeof(hdr10->data_length); 3306 } else { 3307 struct scsi_mode_header_6 *hdr6; 3308 3309 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3310 data_len = hdr6->data_length; 3311 data_len += sizeof(hdr6->data_length); 3312 } 3313 3314 /* 3315 * Complain if there is more mode data available than we 3316 * allocated space for. This could potentially happen if 3317 * we miscalculated the page length for some reason, if the 3318 * drive returns multiple block descriptors, or if it sets 3319 * the data length incorrectly. 3320 */ 3321 if (data_len > data->alloc_len) { 3322 xpt_print(periph->path, "allocated modepage %d length " 3323 "%d < returned length %d\n", page, data->alloc_len, 3324 data_len); 3325 error = ENOSPC; 3326 } 3327 } 3328 return (error); 3329 } 3330 3331 /* 3332 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3333 * routine. See comments in cd6byteworkaround() for details. 3334 */ 3335 static int 3336 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3337 { 3338 struct ccb_scsiio *csio; 3339 struct cd_softc *softc; 3340 union ccb *ccb; 3341 int cdb_size, param_len; 3342 int error; 3343 3344 softc = (struct cd_softc *)periph->softc; 3345 3346 ccb = cdgetccb(periph, /* priority */ 1); 3347 3348 csio = &ccb->csio; 3349 3350 error = 0; 3351 3352 /* 3353 * If the data is formatted for the 10 byte version of the mode 3354 * select parameter list, we need to use the 10 byte CDB. 3355 * Otherwise, we use whatever the stored minimum command size. 3356 */ 3357 if (data->cdb_size == 10) 3358 cdb_size = data->cdb_size; 3359 else 3360 cdb_size = softc->minimum_command_size; 3361 3362 if (cdb_size >= 10) { 3363 struct scsi_mode_header_10 *mode_header; 3364 u_int32_t data_len; 3365 3366 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3367 3368 data_len = scsi_2btoul(mode_header->data_length); 3369 3370 scsi_ulto2b(0, mode_header->data_length); 3371 /* 3372 * SONY drives do not allow a mode select with a medium_type 3373 * value that has just been returned by a mode sense; use a 3374 * medium_type of 0 (Default) instead. 3375 */ 3376 mode_header->medium_type = 0; 3377 3378 /* 3379 * Pass back whatever the drive passed to us, plus the size 3380 * of the data length field. 3381 */ 3382 param_len = data_len + sizeof(mode_header->data_length); 3383 3384 } else { 3385 struct scsi_mode_header_6 *mode_header; 3386 3387 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3388 3389 param_len = mode_header->data_length + 1; 3390 3391 mode_header->data_length = 0; 3392 /* 3393 * SONY drives do not allow a mode select with a medium_type 3394 * value that has just been returned by a mode sense; use a 3395 * medium_type of 0 (Default) instead. 3396 */ 3397 mode_header->medium_type = 0; 3398 } 3399 3400 /* Don't say we've got more room than we actually allocated */ 3401 param_len = min(param_len, data->alloc_len); 3402 3403 scsi_mode_select_len(csio, 3404 /* retries */ 1, 3405 /* cbfcnp */ cddone, 3406 /* tag_action */ MSG_SIMPLE_Q_TAG, 3407 /* scsi_page_fmt */ 1, 3408 /* save_pages */ 0, 3409 /* param_buf */ data->mode_buf, 3410 /* param_len */ param_len, 3411 /* minimum_cmd_size */ cdb_size, 3412 /* sense_len */ SSD_FULL_SIZE, 3413 /* timeout */ 50000); 3414 3415 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3416 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3417 3418 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3419 /*sense_flags*/SF_RETRY_UA); 3420 3421 xpt_release_ccb(ccb); 3422 3423 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3424 3425 return (error); 3426 } 3427 3428 3429 static int 3430 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3431 { 3432 struct ccb_scsiio *csio; 3433 union ccb *ccb; 3434 int error; 3435 u_int8_t cdb_len; 3436 3437 error = 0; 3438 ccb = cdgetccb(periph, /* priority */ 1); 3439 csio = &ccb->csio; 3440 /* 3441 * Use the smallest possible command to perform the operation. 3442 */ 3443 if ((len & 0xffff0000) == 0) { 3444 /* 3445 * We can fit in a 10 byte cdb. 3446 */ 3447 struct scsi_play_10 *scsi_cmd; 3448 3449 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3450 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3451 scsi_cmd->op_code = PLAY_10; 3452 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3453 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3454 cdb_len = sizeof(*scsi_cmd); 3455 } else { 3456 struct scsi_play_12 *scsi_cmd; 3457 3458 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3459 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3460 scsi_cmd->op_code = PLAY_12; 3461 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3462 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3463 cdb_len = sizeof(*scsi_cmd); 3464 } 3465 cam_fill_csio(csio, 3466 /*retries*/2, 3467 cddone, 3468 /*flags*/CAM_DIR_NONE, 3469 MSG_SIMPLE_Q_TAG, 3470 /*dataptr*/NULL, 3471 /*datalen*/0, 3472 /*sense_len*/SSD_FULL_SIZE, 3473 cdb_len, 3474 /*timeout*/50 * 1000); 3475 3476 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3477 /*sense_flags*/SF_RETRY_UA); 3478 3479 xpt_release_ccb(ccb); 3480 3481 return(error); 3482 } 3483 3484 static int 3485 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3486 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3487 { 3488 struct scsi_play_msf *scsi_cmd; 3489 struct ccb_scsiio *csio; 3490 union ccb *ccb; 3491 int error; 3492 3493 error = 0; 3494 3495 ccb = cdgetccb(periph, /* priority */ 1); 3496 3497 csio = &ccb->csio; 3498 3499 cam_fill_csio(csio, 3500 /* retries */ 1, 3501 /* cbfcnp */ cddone, 3502 /* flags */ CAM_DIR_NONE, 3503 /* tag_action */ MSG_SIMPLE_Q_TAG, 3504 /* data_ptr */ NULL, 3505 /* dxfer_len */ 0, 3506 /* sense_len */ SSD_FULL_SIZE, 3507 sizeof(struct scsi_play_msf), 3508 /* timeout */ 50000); 3509 3510 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3511 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3512 3513 scsi_cmd->op_code = PLAY_MSF; 3514 scsi_cmd->start_m = startm; 3515 scsi_cmd->start_s = starts; 3516 scsi_cmd->start_f = startf; 3517 scsi_cmd->end_m = endm; 3518 scsi_cmd->end_s = ends; 3519 scsi_cmd->end_f = endf; 3520 3521 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3522 /*sense_flags*/SF_RETRY_UA); 3523 3524 xpt_release_ccb(ccb); 3525 3526 return(error); 3527 } 3528 3529 3530 static int 3531 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3532 u_int32_t etrack, u_int32_t eindex) 3533 { 3534 struct scsi_play_track *scsi_cmd; 3535 struct ccb_scsiio *csio; 3536 union ccb *ccb; 3537 int error; 3538 3539 error = 0; 3540 3541 ccb = cdgetccb(periph, /* priority */ 1); 3542 3543 csio = &ccb->csio; 3544 3545 cam_fill_csio(csio, 3546 /* retries */ 1, 3547 /* cbfcnp */ cddone, 3548 /* flags */ CAM_DIR_NONE, 3549 /* tag_action */ MSG_SIMPLE_Q_TAG, 3550 /* data_ptr */ NULL, 3551 /* dxfer_len */ 0, 3552 /* sense_len */ SSD_FULL_SIZE, 3553 sizeof(struct scsi_play_track), 3554 /* timeout */ 50000); 3555 3556 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3557 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3558 3559 scsi_cmd->op_code = PLAY_TRACK; 3560 scsi_cmd->start_track = strack; 3561 scsi_cmd->start_index = sindex; 3562 scsi_cmd->end_track = etrack; 3563 scsi_cmd->end_index = eindex; 3564 3565 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3566 /*sense_flags*/SF_RETRY_UA); 3567 3568 xpt_release_ccb(ccb); 3569 3570 return(error); 3571 } 3572 3573 static int 3574 cdpause(struct cam_periph *periph, u_int32_t go) 3575 { 3576 struct scsi_pause *scsi_cmd; 3577 struct ccb_scsiio *csio; 3578 union ccb *ccb; 3579 int error; 3580 3581 error = 0; 3582 3583 ccb = cdgetccb(periph, /* priority */ 1); 3584 3585 csio = &ccb->csio; 3586 3587 cam_fill_csio(csio, 3588 /* retries */ 1, 3589 /* cbfcnp */ cddone, 3590 /* flags */ CAM_DIR_NONE, 3591 /* tag_action */ MSG_SIMPLE_Q_TAG, 3592 /* data_ptr */ NULL, 3593 /* dxfer_len */ 0, 3594 /* sense_len */ SSD_FULL_SIZE, 3595 sizeof(struct scsi_pause), 3596 /* timeout */ 50000); 3597 3598 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3599 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3600 3601 scsi_cmd->op_code = PAUSE; 3602 scsi_cmd->resume = go; 3603 3604 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3605 /*sense_flags*/SF_RETRY_UA); 3606 3607 xpt_release_ccb(ccb); 3608 3609 return(error); 3610 } 3611 3612 static int 3613 cdstartunit(struct cam_periph *periph, int load) 3614 { 3615 union ccb *ccb; 3616 int error; 3617 3618 error = 0; 3619 3620 ccb = cdgetccb(periph, /* priority */ 1); 3621 3622 scsi_start_stop(&ccb->csio, 3623 /* retries */ 1, 3624 /* cbfcnp */ cddone, 3625 /* tag_action */ MSG_SIMPLE_Q_TAG, 3626 /* start */ TRUE, 3627 /* load_eject */ load, 3628 /* immediate */ FALSE, 3629 /* sense_len */ SSD_FULL_SIZE, 3630 /* timeout */ 50000); 3631 3632 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3633 /*sense_flags*/SF_RETRY_UA); 3634 3635 xpt_release_ccb(ccb); 3636 3637 return(error); 3638 } 3639 3640 static int 3641 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3642 { 3643 union ccb *ccb; 3644 int error; 3645 3646 error = 0; 3647 3648 ccb = cdgetccb(periph, /* priority */ 1); 3649 3650 scsi_start_stop(&ccb->csio, 3651 /* retries */ 1, 3652 /* cbfcnp */ cddone, 3653 /* tag_action */ MSG_SIMPLE_Q_TAG, 3654 /* start */ FALSE, 3655 /* load_eject */ eject, 3656 /* immediate */ FALSE, 3657 /* sense_len */ SSD_FULL_SIZE, 3658 /* timeout */ 50000); 3659 3660 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3661 /*sense_flags*/SF_RETRY_UA); 3662 3663 xpt_release_ccb(ccb); 3664 3665 return(error); 3666 } 3667 3668 static int 3669 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3670 { 3671 struct scsi_set_speed *scsi_cmd; 3672 struct ccb_scsiio *csio; 3673 union ccb *ccb; 3674 int error; 3675 3676 error = 0; 3677 ccb = cdgetccb(periph, /* priority */ 1); 3678 csio = &ccb->csio; 3679 3680 /* Preserve old behavior: units in multiples of CDROM speed */ 3681 if (rdspeed < 177) 3682 rdspeed *= 177; 3683 if (wrspeed < 177) 3684 wrspeed *= 177; 3685 3686 cam_fill_csio(csio, 3687 /* retries */ 1, 3688 /* cbfcnp */ cddone, 3689 /* flags */ CAM_DIR_NONE, 3690 /* tag_action */ MSG_SIMPLE_Q_TAG, 3691 /* data_ptr */ NULL, 3692 /* dxfer_len */ 0, 3693 /* sense_len */ SSD_FULL_SIZE, 3694 sizeof(struct scsi_set_speed), 3695 /* timeout */ 50000); 3696 3697 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3698 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3699 3700 scsi_cmd->opcode = SET_CD_SPEED; 3701 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3702 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3703 3704 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3705 /*sense_flags*/SF_RETRY_UA); 3706 3707 xpt_release_ccb(ccb); 3708 3709 return(error); 3710 } 3711 3712 static int 3713 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3714 { 3715 union ccb *ccb; 3716 u_int8_t *databuf; 3717 u_int32_t lba; 3718 int error; 3719 int length; 3720 3721 error = 0; 3722 databuf = NULL; 3723 lba = 0; 3724 3725 ccb = cdgetccb(periph, /* priority */ 1); 3726 3727 switch (authinfo->format) { 3728 case DVD_REPORT_AGID: 3729 length = sizeof(struct scsi_report_key_data_agid); 3730 break; 3731 case DVD_REPORT_CHALLENGE: 3732 length = sizeof(struct scsi_report_key_data_challenge); 3733 break; 3734 case DVD_REPORT_KEY1: 3735 length = sizeof(struct scsi_report_key_data_key1_key2); 3736 break; 3737 case DVD_REPORT_TITLE_KEY: 3738 length = sizeof(struct scsi_report_key_data_title); 3739 /* The lba field is only set for the title key */ 3740 lba = authinfo->lba; 3741 break; 3742 case DVD_REPORT_ASF: 3743 length = sizeof(struct scsi_report_key_data_asf); 3744 break; 3745 case DVD_REPORT_RPC: 3746 length = sizeof(struct scsi_report_key_data_rpc); 3747 break; 3748 case DVD_INVALIDATE_AGID: 3749 length = 0; 3750 break; 3751 default: 3752 error = EINVAL; 3753 goto bailout; 3754 break; /* NOTREACHED */ 3755 } 3756 3757 if (length != 0) { 3758 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3759 } else 3760 databuf = NULL; 3761 3762 3763 scsi_report_key(&ccb->csio, 3764 /* retries */ 1, 3765 /* cbfcnp */ cddone, 3766 /* tag_action */ MSG_SIMPLE_Q_TAG, 3767 /* lba */ lba, 3768 /* agid */ authinfo->agid, 3769 /* key_format */ authinfo->format, 3770 /* data_ptr */ databuf, 3771 /* dxfer_len */ length, 3772 /* sense_len */ SSD_FULL_SIZE, 3773 /* timeout */ 50000); 3774 3775 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3776 /*sense_flags*/SF_RETRY_UA); 3777 3778 if (error != 0) 3779 goto bailout; 3780 3781 if (ccb->csio.resid != 0) { 3782 xpt_print(periph->path, "warning, residual for report key " 3783 "command is %d\n", ccb->csio.resid); 3784 } 3785 3786 switch(authinfo->format) { 3787 case DVD_REPORT_AGID: { 3788 struct scsi_report_key_data_agid *agid_data; 3789 3790 agid_data = (struct scsi_report_key_data_agid *)databuf; 3791 3792 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3793 RKD_AGID_SHIFT; 3794 break; 3795 } 3796 case DVD_REPORT_CHALLENGE: { 3797 struct scsi_report_key_data_challenge *chal_data; 3798 3799 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3800 3801 bcopy(chal_data->challenge_key, authinfo->keychal, 3802 min(sizeof(chal_data->challenge_key), 3803 sizeof(authinfo->keychal))); 3804 break; 3805 } 3806 case DVD_REPORT_KEY1: { 3807 struct scsi_report_key_data_key1_key2 *key1_data; 3808 3809 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3810 3811 bcopy(key1_data->key1, authinfo->keychal, 3812 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3813 break; 3814 } 3815 case DVD_REPORT_TITLE_KEY: { 3816 struct scsi_report_key_data_title *title_data; 3817 3818 title_data = (struct scsi_report_key_data_title *)databuf; 3819 3820 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3821 RKD_TITLE_CPM_SHIFT; 3822 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3823 RKD_TITLE_CP_SEC_SHIFT; 3824 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3825 RKD_TITLE_CMGS_SHIFT; 3826 bcopy(title_data->title_key, authinfo->keychal, 3827 min(sizeof(title_data->title_key), 3828 sizeof(authinfo->keychal))); 3829 break; 3830 } 3831 case DVD_REPORT_ASF: { 3832 struct scsi_report_key_data_asf *asf_data; 3833 3834 asf_data = (struct scsi_report_key_data_asf *)databuf; 3835 3836 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3837 break; 3838 } 3839 case DVD_REPORT_RPC: { 3840 struct scsi_report_key_data_rpc *rpc_data; 3841 3842 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3843 3844 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3845 RKD_RPC_TYPE_SHIFT; 3846 authinfo->vend_rsts = 3847 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3848 RKD_RPC_VENDOR_RESET_SHIFT; 3849 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3850 authinfo->region = rpc_data->region_mask; 3851 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3852 break; 3853 } 3854 case DVD_INVALIDATE_AGID: 3855 break; 3856 default: 3857 /* This should be impossible, since we checked above */ 3858 error = EINVAL; 3859 goto bailout; 3860 break; /* NOTREACHED */ 3861 } 3862 bailout: 3863 if (databuf != NULL) 3864 free(databuf, M_DEVBUF); 3865 3866 xpt_release_ccb(ccb); 3867 3868 return(error); 3869 } 3870 3871 static int 3872 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3873 { 3874 union ccb *ccb; 3875 u_int8_t *databuf; 3876 int length; 3877 int error; 3878 3879 error = 0; 3880 databuf = NULL; 3881 3882 ccb = cdgetccb(periph, /* priority */ 1); 3883 3884 switch(authinfo->format) { 3885 case DVD_SEND_CHALLENGE: { 3886 struct scsi_report_key_data_challenge *challenge_data; 3887 3888 length = sizeof(*challenge_data); 3889 3890 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3891 3892 databuf = (u_int8_t *)challenge_data; 3893 3894 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3895 challenge_data->data_len); 3896 3897 bcopy(authinfo->keychal, challenge_data->challenge_key, 3898 min(sizeof(authinfo->keychal), 3899 sizeof(challenge_data->challenge_key))); 3900 break; 3901 } 3902 case DVD_SEND_KEY2: { 3903 struct scsi_report_key_data_key1_key2 *key2_data; 3904 3905 length = sizeof(*key2_data); 3906 3907 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3908 3909 databuf = (u_int8_t *)key2_data; 3910 3911 scsi_ulto2b(length - sizeof(key2_data->data_len), 3912 key2_data->data_len); 3913 3914 bcopy(authinfo->keychal, key2_data->key1, 3915 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3916 3917 break; 3918 } 3919 case DVD_SEND_RPC: { 3920 struct scsi_send_key_data_rpc *rpc_data; 3921 3922 length = sizeof(*rpc_data); 3923 3924 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3925 3926 databuf = (u_int8_t *)rpc_data; 3927 3928 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3929 rpc_data->data_len); 3930 3931 rpc_data->region_code = authinfo->region; 3932 break; 3933 } 3934 default: 3935 error = EINVAL; 3936 goto bailout; 3937 break; /* NOTREACHED */ 3938 } 3939 3940 scsi_send_key(&ccb->csio, 3941 /* retries */ 1, 3942 /* cbfcnp */ cddone, 3943 /* tag_action */ MSG_SIMPLE_Q_TAG, 3944 /* agid */ authinfo->agid, 3945 /* key_format */ authinfo->format, 3946 /* data_ptr */ databuf, 3947 /* dxfer_len */ length, 3948 /* sense_len */ SSD_FULL_SIZE, 3949 /* timeout */ 50000); 3950 3951 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3952 /*sense_flags*/SF_RETRY_UA); 3953 3954 bailout: 3955 3956 if (databuf != NULL) 3957 free(databuf, M_DEVBUF); 3958 3959 xpt_release_ccb(ccb); 3960 3961 return(error); 3962 } 3963 3964 static int 3965 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3966 { 3967 union ccb *ccb; 3968 u_int8_t *databuf; 3969 u_int32_t address; 3970 int error; 3971 int length; 3972 3973 error = 0; 3974 databuf = NULL; 3975 /* The address is reserved for many of the formats */ 3976 address = 0; 3977 3978 ccb = cdgetccb(periph, /* priority */ 1); 3979 3980 switch(dvdstruct->format) { 3981 case DVD_STRUCT_PHYSICAL: 3982 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3983 break; 3984 case DVD_STRUCT_COPYRIGHT: 3985 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3986 break; 3987 case DVD_STRUCT_DISCKEY: 3988 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3989 break; 3990 case DVD_STRUCT_BCA: 3991 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3992 break; 3993 case DVD_STRUCT_MANUFACT: 3994 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3995 break; 3996 case DVD_STRUCT_CMI: 3997 error = ENODEV; 3998 goto bailout; 3999 #ifdef notyet 4000 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4001 address = dvdstruct->address; 4002 #endif 4003 break; /* NOTREACHED */ 4004 case DVD_STRUCT_PROTDISCID: 4005 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4006 break; 4007 case DVD_STRUCT_DISCKEYBLOCK: 4008 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4009 break; 4010 case DVD_STRUCT_DDS: 4011 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4012 break; 4013 case DVD_STRUCT_MEDIUM_STAT: 4014 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4015 break; 4016 case DVD_STRUCT_SPARE_AREA: 4017 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4018 break; 4019 case DVD_STRUCT_RMD_LAST: 4020 error = ENODEV; 4021 goto bailout; 4022 #ifdef notyet 4023 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4024 address = dvdstruct->address; 4025 #endif 4026 break; /* NOTREACHED */ 4027 case DVD_STRUCT_RMD_RMA: 4028 error = ENODEV; 4029 goto bailout; 4030 #ifdef notyet 4031 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4032 address = dvdstruct->address; 4033 #endif 4034 break; /* NOTREACHED */ 4035 case DVD_STRUCT_PRERECORDED: 4036 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4037 break; 4038 case DVD_STRUCT_UNIQUEID: 4039 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4040 break; 4041 case DVD_STRUCT_DCB: 4042 error = ENODEV; 4043 goto bailout; 4044 #ifdef notyet 4045 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4046 address = dvdstruct->address; 4047 #endif 4048 break; /* NOTREACHED */ 4049 case DVD_STRUCT_LIST: 4050 /* 4051 * This is the maximum allocation length for the READ DVD 4052 * STRUCTURE command. There's nothing in the MMC3 spec 4053 * that indicates a limit in the amount of data that can 4054 * be returned from this call, other than the limits 4055 * imposed by the 2-byte length variables. 4056 */ 4057 length = 65535; 4058 break; 4059 default: 4060 error = EINVAL; 4061 goto bailout; 4062 break; /* NOTREACHED */ 4063 } 4064 4065 if (length != 0) { 4066 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4067 } else 4068 databuf = NULL; 4069 4070 scsi_read_dvd_structure(&ccb->csio, 4071 /* retries */ 1, 4072 /* cbfcnp */ cddone, 4073 /* tag_action */ MSG_SIMPLE_Q_TAG, 4074 /* lba */ address, 4075 /* layer_number */ dvdstruct->layer_num, 4076 /* key_format */ dvdstruct->format, 4077 /* agid */ dvdstruct->agid, 4078 /* data_ptr */ databuf, 4079 /* dxfer_len */ length, 4080 /* sense_len */ SSD_FULL_SIZE, 4081 /* timeout */ 50000); 4082 4083 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4084 /*sense_flags*/SF_RETRY_UA); 4085 4086 if (error != 0) 4087 goto bailout; 4088 4089 switch(dvdstruct->format) { 4090 case DVD_STRUCT_PHYSICAL: { 4091 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4092 struct dvd_layer *outlayer; 4093 struct scsi_read_dvd_struct_data_physical *phys_data; 4094 4095 phys_data = 4096 (struct scsi_read_dvd_struct_data_physical *)databuf; 4097 inlayer = &phys_data->layer_desc; 4098 outlayer = (struct dvd_layer *)&dvdstruct->data; 4099 4100 dvdstruct->length = sizeof(*inlayer); 4101 4102 outlayer->book_type = (inlayer->book_type_version & 4103 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4104 outlayer->book_version = (inlayer->book_type_version & 4105 RDSD_BOOK_VERSION_MASK); 4106 outlayer->disc_size = (inlayer->disc_size_max_rate & 4107 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4108 outlayer->max_rate = (inlayer->disc_size_max_rate & 4109 RDSD_MAX_RATE_MASK); 4110 outlayer->nlayers = (inlayer->layer_info & 4111 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4112 outlayer->track_path = (inlayer->layer_info & 4113 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4114 outlayer->layer_type = (inlayer->layer_info & 4115 RDSD_LAYER_TYPE_MASK); 4116 outlayer->linear_density = (inlayer->density & 4117 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4118 outlayer->track_density = (inlayer->density & 4119 RDSD_TRACK_DENSITY_MASK); 4120 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4121 RDSD_BCA_SHIFT; 4122 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4123 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4124 outlayer->end_sector_l0 = 4125 scsi_3btoul(inlayer->end_sector_layer0); 4126 break; 4127 } 4128 case DVD_STRUCT_COPYRIGHT: { 4129 struct scsi_read_dvd_struct_data_copyright *copy_data; 4130 4131 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4132 databuf; 4133 4134 dvdstruct->cpst = copy_data->cps_type; 4135 dvdstruct->rmi = copy_data->region_info; 4136 dvdstruct->length = 0; 4137 4138 break; 4139 } 4140 default: 4141 /* 4142 * Tell the user what the overall length is, no matter 4143 * what we can actually fit in the data buffer. 4144 */ 4145 dvdstruct->length = length - ccb->csio.resid - 4146 sizeof(struct scsi_read_dvd_struct_data_header); 4147 4148 /* 4149 * But only actually copy out the smaller of what we read 4150 * in or what the structure can take. 4151 */ 4152 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4153 dvdstruct->data, 4154 min(sizeof(dvdstruct->data), dvdstruct->length)); 4155 break; 4156 } 4157 bailout: 4158 4159 if (databuf != NULL) 4160 free(databuf, M_DEVBUF); 4161 4162 xpt_release_ccb(ccb); 4163 4164 return(error); 4165 } 4166 4167 void 4168 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4169 void (*cbfcnp)(struct cam_periph *, union ccb *), 4170 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4171 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4172 u_int8_t sense_len, u_int32_t timeout) 4173 { 4174 struct scsi_report_key *scsi_cmd; 4175 4176 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4177 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4178 scsi_cmd->opcode = REPORT_KEY; 4179 scsi_ulto4b(lba, scsi_cmd->lba); 4180 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4181 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4182 (key_format & RK_KF_KEYFORMAT_MASK); 4183 4184 cam_fill_csio(csio, 4185 retries, 4186 cbfcnp, 4187 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4188 tag_action, 4189 /*data_ptr*/ data_ptr, 4190 /*dxfer_len*/ dxfer_len, 4191 sense_len, 4192 sizeof(*scsi_cmd), 4193 timeout); 4194 } 4195 4196 void 4197 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4198 void (*cbfcnp)(struct cam_periph *, union ccb *), 4199 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4200 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4201 u_int32_t timeout) 4202 { 4203 struct scsi_send_key *scsi_cmd; 4204 4205 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4206 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4207 scsi_cmd->opcode = SEND_KEY; 4208 4209 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4210 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4211 (key_format & RK_KF_KEYFORMAT_MASK); 4212 4213 cam_fill_csio(csio, 4214 retries, 4215 cbfcnp, 4216 /*flags*/ CAM_DIR_OUT, 4217 tag_action, 4218 /*data_ptr*/ data_ptr, 4219 /*dxfer_len*/ dxfer_len, 4220 sense_len, 4221 sizeof(*scsi_cmd), 4222 timeout); 4223 } 4224 4225 4226 void 4227 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4228 void (*cbfcnp)(struct cam_periph *, union ccb *), 4229 u_int8_t tag_action, u_int32_t address, 4230 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4231 u_int8_t *data_ptr, u_int32_t dxfer_len, 4232 u_int8_t sense_len, u_int32_t timeout) 4233 { 4234 struct scsi_read_dvd_structure *scsi_cmd; 4235 4236 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4237 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4238 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4239 4240 scsi_ulto4b(address, scsi_cmd->address); 4241 scsi_cmd->layer_number = layer_number; 4242 scsi_cmd->format = format; 4243 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4244 /* The AGID is the top two bits of this byte */ 4245 scsi_cmd->agid = agid << 6; 4246 4247 cam_fill_csio(csio, 4248 retries, 4249 cbfcnp, 4250 /*flags*/ CAM_DIR_IN, 4251 tag_action, 4252 /*data_ptr*/ data_ptr, 4253 /*dxfer_len*/ dxfer_len, 4254 sense_len, 4255 sizeof(*scsi_cmd), 4256 timeout); 4257 }
Cache object: 4b53f245c4286f4e1274c1e8964f9fd3
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