Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_cd.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
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: releng/10.4/sys/cam/scsi/scsi_cd.c 291497 2015-11-30 21:23:30Z mav $"); 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_10_BYTE_ONLY = 0x10, 91 CD_Q_RETRY_BUSY = 0x40 92 } cd_quirks; 93 94 #define CD_Q_BIT_STRING \ 95 "\020" \ 96 "\001NO_TOUCH" \ 97 "\002BCD_TRACKS" \ 98 "\00510_BYTE_ONLY" \ 99 "\007RETRY_BUSY" 100 101 typedef enum { 102 CD_FLAG_INVALID = 0x0001, 103 CD_FLAG_NEW_DISC = 0x0002, 104 CD_FLAG_DISC_LOCKED = 0x0004, 105 CD_FLAG_DISC_REMOVABLE = 0x0008, 106 CD_FLAG_SAW_MEDIA = 0x0010, 107 CD_FLAG_ACTIVE = 0x0080, 108 CD_FLAG_SCHED_ON_COMP = 0x0100, 109 CD_FLAG_RETRY_UA = 0x0200, 110 CD_FLAG_VALID_MEDIA = 0x0400, 111 CD_FLAG_VALID_TOC = 0x0800, 112 CD_FLAG_SCTX_INIT = 0x1000 113 } cd_flags; 114 115 typedef enum { 116 CD_CCB_PROBE = 0x01, 117 CD_CCB_BUFFER_IO = 0x02, 118 CD_CCB_TUR = 0x04, 119 CD_CCB_TYPE_MASK = 0x0F, 120 CD_CCB_RETRY_UA = 0x10 121 } cd_ccb_state; 122 123 #define ccb_state ppriv_field0 124 #define ccb_bp ppriv_ptr1 125 126 struct cd_tocdata { 127 struct ioc_toc_header header; 128 struct cd_toc_entry entries[100]; 129 }; 130 131 struct cd_toc_single { 132 struct ioc_toc_header header; 133 struct cd_toc_entry entry; 134 }; 135 136 typedef enum { 137 CD_STATE_PROBE, 138 CD_STATE_NORMAL 139 } cd_state; 140 141 struct cd_softc { 142 cam_pinfo pinfo; 143 cd_state state; 144 volatile cd_flags flags; 145 struct bio_queue_head bio_queue; 146 LIST_HEAD(, ccb_hdr) pending_ccbs; 147 struct cd_params params; 148 union ccb saved_ccb; 149 cd_quirks quirks; 150 struct cam_periph *periph; 151 int minimum_command_size; 152 int outstanding_cmds; 153 int tur; 154 struct task sysctl_task; 155 struct sysctl_ctx_list sysctl_ctx; 156 struct sysctl_oid *sysctl_tree; 157 STAILQ_HEAD(, cd_mode_params) mode_queue; 158 struct cd_tocdata toc; 159 struct disk *disk; 160 struct callout mediapoll_c; 161 }; 162 163 struct cd_page_sizes { 164 int page; 165 int page_size; 166 }; 167 168 static struct cd_page_sizes cd_page_size_table[] = 169 { 170 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 171 }; 172 173 struct cd_quirk_entry { 174 struct scsi_inquiry_pattern inq_pat; 175 cd_quirks quirks; 176 }; 177 178 /* 179 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 180 * your device hangs when it gets a 10 byte command. Adding a quirk just 181 * to get rid of the informative diagnostic message is not acceptable. All 182 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 183 * referenced in a comment along with the quirk) , and must be approved by 184 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 185 * be removed until the submitter can explain why they are needed. 186 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 187 * when the CAM_NEW_TRAN_CODE work is done. 188 */ 189 static struct cd_quirk_entry cd_quirk_table[] = 190 { 191 { 192 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 193 /* quirks */ CD_Q_BCD_TRACKS 194 }, 195 { 196 /* 197 * VMware returns BUSY status when storage has transient 198 * connectivity problems, so better wait. 199 */ 200 {T_CDROM, SIP_MEDIA_REMOVABLE, "NECVMWar", "VMware IDE CDR10", "*"}, 201 /*quirks*/ CD_Q_RETRY_BUSY 202 } 203 }; 204 205 static disk_open_t cdopen; 206 static disk_close_t cdclose; 207 static disk_ioctl_t cdioctl; 208 static disk_strategy_t cdstrategy; 209 210 static periph_init_t cdinit; 211 static periph_ctor_t cdregister; 212 static periph_dtor_t cdcleanup; 213 static periph_start_t cdstart; 214 static periph_oninv_t cdoninvalidate; 215 static void cdasync(void *callback_arg, u_int32_t code, 216 struct cam_path *path, void *arg); 217 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 218 static int cdrunccb(union ccb *ccb, 219 int (*error_routine)(union ccb *ccb, 220 u_int32_t cam_flags, 221 u_int32_t sense_flags), 222 u_int32_t cam_flags, u_int32_t sense_flags); 223 static void cddone(struct cam_periph *periph, 224 union ccb *start_ccb); 225 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 226 static int cdgetpagesize(int page_num); 227 static void cdprevent(struct cam_periph *periph, int action); 228 static int cdcheckmedia(struct cam_periph *periph); 229 static int cdsize(struct cam_periph *periph, u_int32_t *size); 230 static int cd6byteworkaround(union ccb *ccb); 231 static int cderror(union ccb *ccb, u_int32_t cam_flags, 232 u_int32_t sense_flags); 233 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 234 u_int32_t start, u_int8_t *data, 235 u_int32_t len, u_int32_t sense_flags); 236 static int cdgetmode(struct cam_periph *periph, 237 struct cd_mode_params *data, u_int32_t page); 238 static int cdsetmode(struct cam_periph *periph, 239 struct cd_mode_params *data); 240 static int cdplay(struct cam_periph *periph, u_int32_t blk, 241 u_int32_t len); 242 static int cdreadsubchannel(struct cam_periph *periph, 243 u_int32_t mode, u_int32_t format, 244 int track, 245 struct cd_sub_channel_info *data, 246 u_int32_t len); 247 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 248 u_int32_t starts, u_int32_t startf, 249 u_int32_t endm, u_int32_t ends, 250 u_int32_t endf); 251 static int cdplaytracks(struct cam_periph *periph, 252 u_int32_t strack, u_int32_t sindex, 253 u_int32_t etrack, u_int32_t eindex); 254 static int cdpause(struct cam_periph *periph, u_int32_t go); 255 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 256 static int cdstartunit(struct cam_periph *periph, int load); 257 static int cdsetspeed(struct cam_periph *periph, 258 u_int32_t rdspeed, u_int32_t wrspeed); 259 static int cdreportkey(struct cam_periph *periph, 260 struct dvd_authinfo *authinfo); 261 static int cdsendkey(struct cam_periph *periph, 262 struct dvd_authinfo *authinfo); 263 static int cdreaddvdstructure(struct cam_periph *periph, 264 struct dvd_struct *dvdstruct); 265 static timeout_t cdmediapoll; 266 267 static struct periph_driver cddriver = 268 { 269 cdinit, "cd", 270 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 271 }; 272 273 PERIPHDRIVER_DECLARE(cd, cddriver); 274 275 #ifndef CD_DEFAULT_POLL_PERIOD 276 #define CD_DEFAULT_POLL_PERIOD 3 277 #endif 278 #ifndef CD_DEFAULT_RETRY 279 #define CD_DEFAULT_RETRY 4 280 #endif 281 #ifndef CD_DEFAULT_TIMEOUT 282 #define CD_DEFAULT_TIMEOUT 30000 283 #endif 284 285 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; 286 static int cd_retry_count = CD_DEFAULT_RETRY; 287 static int cd_timeout = CD_DEFAULT_TIMEOUT; 288 289 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 290 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RW, 291 &cd_poll_period, 0, "Media polling period in seconds"); 292 TUNABLE_INT("kern.cam.cd.poll_period", &cd_poll_period); 293 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 294 &cd_retry_count, 0, "Normal I/O retry count"); 295 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 296 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RW, 297 &cd_timeout, 0, "Timeout, in us, for read operations"); 298 TUNABLE_INT("kern.cam.cd.timeout", &cd_timeout); 299 300 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 301 302 static void 303 cdinit(void) 304 { 305 cam_status status; 306 307 /* 308 * Install a global async callback. This callback will 309 * receive async callbacks like "new device found". 310 */ 311 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 312 313 if (status != CAM_REQ_CMP) { 314 printf("cd: Failed to attach master async callback " 315 "due to status 0x%x!\n", status); 316 } 317 } 318 319 /* 320 * Callback from GEOM, called when it has finished cleaning up its 321 * resources. 322 */ 323 static void 324 cddiskgonecb(struct disk *dp) 325 { 326 struct cam_periph *periph; 327 328 periph = (struct cam_periph *)dp->d_drv1; 329 cam_periph_release(periph); 330 } 331 332 static void 333 cdoninvalidate(struct cam_periph *periph) 334 { 335 struct cd_softc *softc; 336 337 softc = (struct cd_softc *)periph->softc; 338 339 /* 340 * De-register any async callbacks. 341 */ 342 xpt_register_async(0, cdasync, periph, periph->path); 343 344 softc->flags |= CD_FLAG_INVALID; 345 346 /* 347 * Return all queued I/O with ENXIO. 348 * XXX Handle any transactions queued to the card 349 * with XPT_ABORT_CCB. 350 */ 351 bioq_flush(&softc->bio_queue, NULL, ENXIO); 352 353 disk_gone(softc->disk); 354 } 355 356 static void 357 cdcleanup(struct cam_periph *periph) 358 { 359 struct cd_softc *softc; 360 361 softc = (struct cd_softc *)periph->softc; 362 363 cam_periph_unlock(periph); 364 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 365 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 366 xpt_print(periph->path, "can't remove sysctl context\n"); 367 } 368 369 callout_drain(&softc->mediapoll_c); 370 disk_destroy(softc->disk); 371 free(softc, M_DEVBUF); 372 cam_periph_lock(periph); 373 } 374 375 static void 376 cdasync(void *callback_arg, u_int32_t code, 377 struct cam_path *path, void *arg) 378 { 379 struct cam_periph *periph; 380 struct cd_softc *softc; 381 382 periph = (struct cam_periph *)callback_arg; 383 switch (code) { 384 case AC_FOUND_DEVICE: 385 { 386 struct ccb_getdev *cgd; 387 cam_status status; 388 389 cgd = (struct ccb_getdev *)arg; 390 if (cgd == NULL) 391 break; 392 393 if (cgd->protocol != PROTO_SCSI) 394 break; 395 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED) 396 break; 397 if (SID_TYPE(&cgd->inq_data) != T_CDROM 398 && SID_TYPE(&cgd->inq_data) != T_WORM) 399 break; 400 401 /* 402 * Allocate a peripheral instance for 403 * this device and start the probe 404 * process. 405 */ 406 status = cam_periph_alloc(cdregister, cdoninvalidate, 407 cdcleanup, cdstart, 408 "cd", CAM_PERIPH_BIO, 409 path, cdasync, 410 AC_FOUND_DEVICE, cgd); 411 412 if (status != CAM_REQ_CMP 413 && status != CAM_REQ_INPROG) 414 printf("cdasync: Unable to attach new device " 415 "due to status 0x%x\n", status); 416 417 break; 418 } 419 case AC_UNIT_ATTENTION: 420 { 421 union ccb *ccb; 422 int error_code, sense_key, asc, ascq; 423 424 softc = (struct cd_softc *)periph->softc; 425 ccb = (union ccb *)arg; 426 427 /* 428 * Handle all media change UNIT ATTENTIONs except 429 * our own, as they will be handled by cderror(). 430 */ 431 if (xpt_path_periph(ccb->ccb_h.path) != periph && 432 scsi_extract_sense_ccb(ccb, 433 &error_code, &sense_key, &asc, &ascq)) { 434 if (asc == 0x28 && ascq == 0x00) 435 disk_media_changed(softc->disk, M_NOWAIT); 436 } 437 cam_periph_async(periph, code, path, arg); 438 break; 439 } 440 case AC_SCSI_AEN: 441 softc = (struct cd_softc *)periph->softc; 442 if (softc->state == CD_STATE_NORMAL && !softc->tur) { 443 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 444 softc->tur = 1; 445 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 446 } 447 } 448 /* FALLTHROUGH */ 449 case AC_SENT_BDR: 450 case AC_BUS_RESET: 451 { 452 struct ccb_hdr *ccbh; 453 454 softc = (struct cd_softc *)periph->softc; 455 /* 456 * Don't fail on the expected unit attention 457 * that will occur. 458 */ 459 softc->flags |= CD_FLAG_RETRY_UA; 460 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 461 ccbh->ccb_state |= CD_CCB_RETRY_UA; 462 /* FALLTHROUGH */ 463 } 464 default: 465 cam_periph_async(periph, code, path, arg); 466 break; 467 } 468 } 469 470 static void 471 cdsysctlinit(void *context, int pending) 472 { 473 struct cam_periph *periph; 474 struct cd_softc *softc; 475 char tmpstr[80], tmpstr2[80]; 476 477 periph = (struct cam_periph *)context; 478 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 479 return; 480 481 softc = (struct cd_softc *)periph->softc; 482 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 483 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 484 485 sysctl_ctx_init(&softc->sysctl_ctx); 486 softc->flags |= CD_FLAG_SCTX_INIT; 487 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 488 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 489 tmpstr2, CTLFLAG_RD, 0, tmpstr); 490 491 if (softc->sysctl_tree == NULL) { 492 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 493 cam_periph_release(periph); 494 return; 495 } 496 497 /* 498 * Now register the sysctl handler, so the user can the value on 499 * the fly. 500 */ 501 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 502 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 503 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 504 "Minimum CDB size"); 505 506 cam_periph_release(periph); 507 } 508 509 /* 510 * We have a handler function for this so we can check the values when the 511 * user sets them, instead of every time we look at them. 512 */ 513 static int 514 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 515 { 516 int error, value; 517 518 value = *(int *)arg1; 519 520 error = sysctl_handle_int(oidp, &value, 0, req); 521 522 if ((error != 0) 523 || (req->newptr == NULL)) 524 return (error); 525 526 /* 527 * The only real values we can have here are 6 or 10. I don't 528 * really forsee having 12 be an option at any time in the future. 529 * So if the user sets something less than or equal to 6, we'll set 530 * it to 6. If he sets something greater than 6, we'll set it to 10. 531 * 532 * I suppose we could just return an error here for the wrong values, 533 * but I don't think it's necessary to do so, as long as we can 534 * determine the user's intent without too much trouble. 535 */ 536 if (value < 6) 537 value = 6; 538 else if (value > 6) 539 value = 10; 540 541 *(int *)arg1 = value; 542 543 return (0); 544 } 545 546 static cam_status 547 cdregister(struct cam_periph *periph, void *arg) 548 { 549 struct cd_softc *softc; 550 struct ccb_pathinq cpi; 551 struct ccb_getdev *cgd; 552 char tmpstr[80]; 553 caddr_t match; 554 555 cgd = (struct ccb_getdev *)arg; 556 if (cgd == NULL) { 557 printf("cdregister: no getdev CCB, can't register device\n"); 558 return(CAM_REQ_CMP_ERR); 559 } 560 561 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 562 M_NOWAIT | M_ZERO); 563 if (softc == NULL) { 564 printf("cdregister: Unable to probe new device. " 565 "Unable to allocate softc\n"); 566 return(CAM_REQ_CMP_ERR); 567 } 568 569 LIST_INIT(&softc->pending_ccbs); 570 STAILQ_INIT(&softc->mode_queue); 571 softc->state = CD_STATE_PROBE; 572 bioq_init(&softc->bio_queue); 573 if (SID_IS_REMOVABLE(&cgd->inq_data)) 574 softc->flags |= CD_FLAG_DISC_REMOVABLE; 575 576 periph->softc = softc; 577 softc->periph = periph; 578 579 /* 580 * See if this device has any quirks. 581 */ 582 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 583 (caddr_t)cd_quirk_table, 584 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 585 sizeof(*cd_quirk_table), scsi_inquiry_match); 586 587 if (match != NULL) 588 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 589 else 590 softc->quirks = CD_Q_NONE; 591 592 /* Check if the SIM does not want 6 byte commands */ 593 bzero(&cpi, sizeof(cpi)); 594 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 595 cpi.ccb_h.func_code = XPT_PATH_INQ; 596 xpt_action((union ccb *)&cpi); 597 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 598 softc->quirks |= CD_Q_10_BYTE_ONLY; 599 600 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 601 602 /* The default is 6 byte commands, unless quirked otherwise */ 603 if (softc->quirks & CD_Q_10_BYTE_ONLY) 604 softc->minimum_command_size = 10; 605 else 606 softc->minimum_command_size = 6; 607 608 /* 609 * Refcount and block open attempts until we are setup 610 * Can't block 611 */ 612 (void)cam_periph_hold(periph, PRIBIO); 613 cam_periph_unlock(periph); 614 /* 615 * Load the user's default, if any. 616 */ 617 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 618 periph->unit_number); 619 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 620 621 /* 6 and 10 are the only permissible values here. */ 622 if (softc->minimum_command_size < 6) 623 softc->minimum_command_size = 6; 624 else if (softc->minimum_command_size > 6) 625 softc->minimum_command_size = 10; 626 627 /* 628 * We need to register the statistics structure for this device, 629 * but we don't have the blocksize yet for it. So, we register 630 * the structure and indicate that we don't have the blocksize 631 * yet. Unlike other SCSI peripheral drivers, we explicitly set 632 * the device type here to be CDROM, rather than just ORing in 633 * the device type. This is because this driver can attach to either 634 * CDROM or WORM devices, and we want this peripheral driver to 635 * show up in the devstat list as a CD peripheral driver, not a 636 * WORM peripheral driver. WORM drives will also have the WORM 637 * driver attached to them. 638 */ 639 softc->disk = disk_alloc(); 640 softc->disk->d_devstat = devstat_new_entry("cd", 641 periph->unit_number, 0, 642 DEVSTAT_BS_UNAVAILABLE, 643 DEVSTAT_TYPE_CDROM | 644 XPORT_DEVSTAT_TYPE(cpi.transport), 645 DEVSTAT_PRIORITY_CD); 646 softc->disk->d_open = cdopen; 647 softc->disk->d_close = cdclose; 648 softc->disk->d_strategy = cdstrategy; 649 softc->disk->d_gone = cddiskgonecb; 650 softc->disk->d_ioctl = cdioctl; 651 softc->disk->d_name = "cd"; 652 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 653 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 654 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 655 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 656 cgd->inq_data.product, sizeof(cgd->inq_data.product), 657 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 658 softc->disk->d_unit = periph->unit_number; 659 softc->disk->d_drv1 = periph; 660 if (cpi.maxio == 0) 661 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 662 else if (cpi.maxio > MAXPHYS) 663 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 664 else 665 softc->disk->d_maxsize = cpi.maxio; 666 softc->disk->d_flags = 0; 667 softc->disk->d_hba_vendor = cpi.hba_vendor; 668 softc->disk->d_hba_device = cpi.hba_device; 669 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 670 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 671 672 /* 673 * Acquire a reference to the periph before we register with GEOM. 674 * We'll release this reference once GEOM calls us back (via 675 * dadiskgonecb()) telling us that our provider has been freed. 676 */ 677 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 678 xpt_print(periph->path, "%s: lost periph during " 679 "registration!\n", __func__); 680 cam_periph_lock(periph); 681 return (CAM_REQ_CMP_ERR); 682 } 683 684 disk_create(softc->disk, DISK_VERSION); 685 cam_periph_lock(periph); 686 687 /* 688 * Add an async callback so that we get 689 * notified if this device goes away. 690 */ 691 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 692 AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); 693 694 /* 695 * Schedule a periodic media polling events. 696 */ 697 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 698 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && 699 (cgd->inq_flags & SID_AEN) == 0 && 700 cd_poll_period != 0) 701 callout_reset(&softc->mediapoll_c, cd_poll_period * hz, 702 cdmediapoll, periph); 703 704 xpt_schedule(periph, CAM_PRIORITY_DEV); 705 return(CAM_REQ_CMP); 706 } 707 708 static int 709 cdopen(struct disk *dp) 710 { 711 struct cam_periph *periph; 712 struct cd_softc *softc; 713 int error; 714 715 periph = (struct cam_periph *)dp->d_drv1; 716 softc = (struct cd_softc *)periph->softc; 717 718 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 719 return(ENXIO); 720 721 cam_periph_lock(periph); 722 723 if (softc->flags & CD_FLAG_INVALID) { 724 cam_periph_release_locked(periph); 725 cam_periph_unlock(periph); 726 return(ENXIO); 727 } 728 729 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 730 cam_periph_release_locked(periph); 731 cam_periph_unlock(periph); 732 return (error); 733 } 734 735 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 736 ("cdopen\n")); 737 738 /* 739 * Check for media, and set the appropriate flags. We don't bail 740 * if we don't have media, but then we don't allow anything but the 741 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 742 */ 743 cdcheckmedia(periph); 744 745 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 746 cam_periph_unhold(periph); 747 748 cam_periph_unlock(periph); 749 750 return (0); 751 } 752 753 static int 754 cdclose(struct disk *dp) 755 { 756 struct cam_periph *periph; 757 struct cd_softc *softc; 758 759 periph = (struct cam_periph *)dp->d_drv1; 760 softc = (struct cd_softc *)periph->softc; 761 762 cam_periph_lock(periph); 763 if (cam_periph_hold(periph, PRIBIO) != 0) { 764 cam_periph_unlock(periph); 765 cam_periph_release(periph); 766 return (0); 767 } 768 769 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 770 ("cdclose\n")); 771 772 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 773 cdprevent(periph, PR_ALLOW); 774 775 /* 776 * Since we're closing this CD, mark the blocksize as unavailable. 777 * It will be marked as available when the CD is opened again. 778 */ 779 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 780 781 /* 782 * We'll check the media and toc again at the next open(). 783 */ 784 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 785 786 cam_periph_unhold(periph); 787 cam_periph_release_locked(periph); 788 cam_periph_unlock(periph); 789 790 return (0); 791 } 792 793 static int 794 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 795 u_int32_t cam_flags, 796 u_int32_t sense_flags), 797 u_int32_t cam_flags, u_int32_t sense_flags) 798 { 799 struct cd_softc *softc; 800 struct cam_periph *periph; 801 int error; 802 803 periph = xpt_path_periph(ccb->ccb_h.path); 804 softc = (struct cd_softc *)periph->softc; 805 806 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 807 softc->disk->d_devstat); 808 809 return(error); 810 } 811 812 /* 813 * Actually translate the requested transfer into one the physical driver 814 * can understand. The transfer is described by a buf and will include 815 * only one physical transfer. 816 */ 817 static void 818 cdstrategy(struct bio *bp) 819 { 820 struct cam_periph *periph; 821 struct cd_softc *softc; 822 823 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 824 cam_periph_lock(periph); 825 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 826 ("cdstrategy(%p)\n", bp)); 827 828 softc = (struct cd_softc *)periph->softc; 829 830 /* 831 * If the device has been made invalid, error out 832 */ 833 if ((softc->flags & CD_FLAG_INVALID)) { 834 cam_periph_unlock(periph); 835 biofinish(bp, NULL, ENXIO); 836 return; 837 } 838 839 /* 840 * If we don't have valid media, look for it before trying to 841 * schedule the I/O. 842 */ 843 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 844 int error; 845 846 error = cdcheckmedia(periph); 847 if (error != 0) { 848 cam_periph_unlock(periph); 849 biofinish(bp, NULL, error); 850 return; 851 } 852 } 853 854 /* 855 * Place it in the queue of disk activities for this disk 856 */ 857 bioq_disksort(&softc->bio_queue, bp); 858 859 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 860 861 cam_periph_unlock(periph); 862 return; 863 } 864 865 static void 866 cdstart(struct cam_periph *periph, union ccb *start_ccb) 867 { 868 struct cd_softc *softc; 869 struct bio *bp; 870 struct ccb_scsiio *csio; 871 struct scsi_read_capacity_data *rcap; 872 873 softc = (struct cd_softc *)periph->softc; 874 875 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 876 877 switch (softc->state) { 878 case CD_STATE_NORMAL: 879 { 880 bp = bioq_first(&softc->bio_queue); 881 if (bp == NULL) { 882 if (softc->tur) { 883 softc->tur = 0; 884 csio = &start_ccb->csio; 885 scsi_test_unit_ready(csio, 886 /*retries*/ cd_retry_count, 887 cddone, 888 MSG_SIMPLE_Q_TAG, 889 SSD_FULL_SIZE, 890 cd_timeout); 891 start_ccb->ccb_h.ccb_bp = NULL; 892 start_ccb->ccb_h.ccb_state = CD_CCB_TUR; 893 xpt_action(start_ccb); 894 } else 895 xpt_release_ccb(start_ccb); 896 } else { 897 if (softc->tur) { 898 softc->tur = 0; 899 cam_periph_release_locked(periph); 900 } 901 bioq_remove(&softc->bio_queue, bp); 902 903 scsi_read_write(&start_ccb->csio, 904 /*retries*/ cd_retry_count, 905 /* cbfcnp */ cddone, 906 MSG_SIMPLE_Q_TAG, 907 /* read */bp->bio_cmd == BIO_READ ? 908 SCSI_RW_READ : SCSI_RW_WRITE, 909 /* byte2 */ 0, 910 /* minimum_cmd_size */ 10, 911 /* lba */ bp->bio_offset / 912 softc->params.blksize, 913 bp->bio_bcount / softc->params.blksize, 914 /* data_ptr */ bp->bio_data, 915 /* dxfer_len */ bp->bio_bcount, 916 /* sense_len */ cd_retry_count ? 917 SSD_FULL_SIZE : SF_NO_PRINT, 918 /* timeout */ cd_timeout); 919 /* Use READ CD command for audio tracks. */ 920 if (softc->params.blksize == 2352) { 921 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 922 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 923 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 924 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 925 start_ccb->csio.cdb_len = 12; 926 } 927 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 928 929 930 LIST_INSERT_HEAD(&softc->pending_ccbs, 931 &start_ccb->ccb_h, periph_links.le); 932 softc->outstanding_cmds++; 933 934 /* We expect a unit attention from this device */ 935 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 936 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 937 softc->flags &= ~CD_FLAG_RETRY_UA; 938 } 939 940 start_ccb->ccb_h.ccb_bp = bp; 941 bp = bioq_first(&softc->bio_queue); 942 943 xpt_action(start_ccb); 944 } 945 if (bp != NULL || softc->tur) { 946 /* Have more work to do, so ensure we stay scheduled */ 947 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 948 } 949 break; 950 } 951 case CD_STATE_PROBE: 952 { 953 954 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 955 M_SCSICD, M_NOWAIT | M_ZERO); 956 if (rcap == NULL) { 957 xpt_print(periph->path, 958 "cdstart: Couldn't malloc read_capacity data\n"); 959 /* cd_free_periph??? */ 960 break; 961 } 962 csio = &start_ccb->csio; 963 scsi_read_capacity(csio, 964 /*retries*/ cd_retry_count, 965 cddone, 966 MSG_SIMPLE_Q_TAG, 967 rcap, 968 SSD_FULL_SIZE, 969 /*timeout*/20000); 970 start_ccb->ccb_h.ccb_bp = NULL; 971 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 972 xpt_action(start_ccb); 973 break; 974 } 975 } 976 } 977 978 static void 979 cddone(struct cam_periph *periph, union ccb *done_ccb) 980 { 981 struct cd_softc *softc; 982 struct ccb_scsiio *csio; 983 984 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 985 986 softc = (struct cd_softc *)periph->softc; 987 csio = &done_ccb->csio; 988 989 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 990 case CD_CCB_BUFFER_IO: 991 { 992 struct bio *bp; 993 int error; 994 995 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 996 error = 0; 997 998 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 999 int sf; 1000 1001 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1002 sf = SF_RETRY_UA; 1003 else 1004 sf = 0; 1005 1006 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1007 if (error == ERESTART) { 1008 /* 1009 * A retry was scheuled, so 1010 * just return. 1011 */ 1012 return; 1013 } 1014 } 1015 1016 if (error != 0) { 1017 xpt_print(periph->path, 1018 "cddone: got error %#x back\n", error); 1019 bioq_flush(&softc->bio_queue, NULL, EIO); 1020 bp->bio_resid = bp->bio_bcount; 1021 bp->bio_error = error; 1022 bp->bio_flags |= BIO_ERROR; 1023 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1024 cam_release_devq(done_ccb->ccb_h.path, 1025 /*relsim_flags*/0, 1026 /*reduction*/0, 1027 /*timeout*/0, 1028 /*getcount_only*/0); 1029 1030 } else { 1031 bp->bio_resid = csio->resid; 1032 bp->bio_error = 0; 1033 if (bp->bio_resid != 0) { 1034 /* 1035 * Short transfer ??? 1036 * XXX: not sure this is correct for partial 1037 * transfers at EOM 1038 */ 1039 bp->bio_flags |= BIO_ERROR; 1040 } 1041 } 1042 1043 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1044 softc->outstanding_cmds--; 1045 1046 biofinish(bp, NULL, 0); 1047 break; 1048 } 1049 case CD_CCB_PROBE: 1050 { 1051 struct scsi_read_capacity_data *rdcap; 1052 char announce_buf[120]; /* 1053 * Currently (9/30/97) the 1054 * longest possible announce 1055 * buffer is 108 bytes, for the 1056 * first error case below. 1057 * That is 39 bytes for the 1058 * basic string, 16 bytes for the 1059 * biggest sense key (hardware 1060 * error), 52 bytes for the 1061 * text of the largest sense 1062 * qualifier valid for a CDROM, 1063 * (0x72, 0x03 or 0x04, 1064 * 0x03), and one byte for the 1065 * null terminating character. 1066 * To allow for longer strings, 1067 * the announce buffer is 120 1068 * bytes. 1069 */ 1070 struct cd_params *cdp; 1071 int error; 1072 1073 cdp = &softc->params; 1074 1075 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1076 1077 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1078 cdp->blksize = scsi_4btoul (rdcap->length); 1079 1080 /* 1081 * Retry any UNIT ATTENTION type errors. They 1082 * are expected at boot. 1083 */ 1084 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || 1085 (error = cderror(done_ccb, CAM_RETRY_SELTO, 1086 SF_RETRY_UA | SF_NO_PRINT)) == 0) { 1087 snprintf(announce_buf, sizeof(announce_buf), 1088 "%juMB (%ju %u byte sectors)", 1089 ((uintmax_t)cdp->disksize * cdp->blksize) / 1090 (1024 * 1024), 1091 (uintmax_t)cdp->disksize, cdp->blksize); 1092 } else { 1093 if (error == ERESTART) { 1094 /* 1095 * A retry was scheuled, so 1096 * just return. 1097 */ 1098 return; 1099 } else { 1100 int asc, ascq; 1101 int sense_key, error_code; 1102 int have_sense; 1103 cam_status status; 1104 struct ccb_getdev cgd; 1105 1106 /* Don't wedge this device's queue */ 1107 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1108 cam_release_devq(done_ccb->ccb_h.path, 1109 /*relsim_flags*/0, 1110 /*reduction*/0, 1111 /*timeout*/0, 1112 /*getcount_only*/0); 1113 1114 status = done_ccb->ccb_h.status; 1115 1116 xpt_setup_ccb(&cgd.ccb_h, 1117 done_ccb->ccb_h.path, 1118 CAM_PRIORITY_NORMAL); 1119 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1120 xpt_action((union ccb *)&cgd); 1121 1122 if (scsi_extract_sense_ccb(done_ccb, 1123 &error_code, &sense_key, &asc, &ascq)) 1124 have_sense = TRUE; 1125 else 1126 have_sense = FALSE; 1127 1128 /* 1129 * Attach to anything that claims to be a 1130 * CDROM or WORM device, as long as it 1131 * doesn't return a "Logical unit not 1132 * supported" (0x25) error. 1133 */ 1134 if ((have_sense) && (asc != 0x25) 1135 && (error_code == SSD_CURRENT_ERROR)) { 1136 const char *sense_key_desc; 1137 const char *asc_desc; 1138 1139 scsi_sense_desc(sense_key, asc, ascq, 1140 &cgd.inq_data, 1141 &sense_key_desc, 1142 &asc_desc); 1143 snprintf(announce_buf, 1144 sizeof(announce_buf), 1145 "Attempt to query device " 1146 "size failed: %s, %s", 1147 sense_key_desc, 1148 asc_desc); 1149 } else if ((have_sense == 0) 1150 && ((status & CAM_STATUS_MASK) == 1151 CAM_SCSI_STATUS_ERROR) 1152 && (csio->scsi_status == 1153 SCSI_STATUS_BUSY)) { 1154 snprintf(announce_buf, 1155 sizeof(announce_buf), 1156 "Attempt to query device " 1157 "size failed: SCSI Status: %s", 1158 scsi_status_string(csio)); 1159 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1160 /* 1161 * We only print out an error for 1162 * CDROM type devices. For WORM 1163 * devices, we don't print out an 1164 * error since a few WORM devices 1165 * don't support CDROM commands. 1166 * If we have sense information, go 1167 * ahead and print it out. 1168 * Otherwise, just say that we 1169 * couldn't attach. 1170 */ 1171 1172 /* 1173 * Just print out the error, not 1174 * the full probe message, when we 1175 * don't attach. 1176 */ 1177 if (have_sense) 1178 scsi_sense_print( 1179 &done_ccb->csio); 1180 else { 1181 xpt_print(periph->path, 1182 "got CAM status %#x\n", 1183 done_ccb->ccb_h.status); 1184 } 1185 xpt_print(periph->path, "fatal error, " 1186 "failed to attach to device\n"); 1187 /* 1188 * Invalidate this peripheral. 1189 */ 1190 cam_periph_invalidate(periph); 1191 1192 announce_buf[0] = '\0'; 1193 } else { 1194 1195 /* 1196 * Invalidate this peripheral. 1197 */ 1198 cam_periph_invalidate(periph); 1199 announce_buf[0] = '\0'; 1200 } 1201 } 1202 } 1203 free(rdcap, M_SCSICD); 1204 if (announce_buf[0] != '\0') { 1205 xpt_announce_periph(periph, announce_buf); 1206 xpt_announce_quirks(periph, softc->quirks, 1207 CD_Q_BIT_STRING); 1208 /* 1209 * Create our sysctl variables, now that we know 1210 * we have successfully attached. 1211 */ 1212 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1213 } 1214 softc->state = CD_STATE_NORMAL; 1215 /* 1216 * Since our peripheral may be invalidated by an error 1217 * above or an external event, we must release our CCB 1218 * before releasing the probe lock on the peripheral. 1219 * The peripheral will only go away once the last lock 1220 * is removed, and we need it around for the CCB release 1221 * operation. 1222 */ 1223 xpt_release_ccb(done_ccb); 1224 cam_periph_unhold(periph); 1225 return; 1226 } 1227 case CD_CCB_TUR: 1228 { 1229 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1230 1231 if (cderror(done_ccb, CAM_RETRY_SELTO, 1232 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 1233 ERESTART) 1234 return; 1235 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1236 cam_release_devq(done_ccb->ccb_h.path, 1237 /*relsim_flags*/0, 1238 /*reduction*/0, 1239 /*timeout*/0, 1240 /*getcount_only*/0); 1241 } 1242 xpt_release_ccb(done_ccb); 1243 cam_periph_release_locked(periph); 1244 return; 1245 } 1246 default: 1247 break; 1248 } 1249 xpt_release_ccb(done_ccb); 1250 } 1251 1252 static union cd_pages * 1253 cdgetpage(struct cd_mode_params *mode_params) 1254 { 1255 union cd_pages *page; 1256 1257 if (mode_params->cdb_size == 10) 1258 page = (union cd_pages *)find_mode_page_10( 1259 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1260 else 1261 page = (union cd_pages *)find_mode_page_6( 1262 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1263 1264 return (page); 1265 } 1266 1267 static int 1268 cdgetpagesize(int page_num) 1269 { 1270 int i; 1271 1272 for (i = 0; i < (sizeof(cd_page_size_table)/ 1273 sizeof(cd_page_size_table[0])); i++) { 1274 if (cd_page_size_table[i].page == page_num) 1275 return (cd_page_size_table[i].page_size); 1276 } 1277 1278 return (-1); 1279 } 1280 1281 static int 1282 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1283 { 1284 1285 struct cam_periph *periph; 1286 struct cd_softc *softc; 1287 int nocopyout, error = 0; 1288 1289 periph = (struct cam_periph *)dp->d_drv1; 1290 cam_periph_lock(periph); 1291 1292 softc = (struct cd_softc *)periph->softc; 1293 1294 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1295 ("cdioctl(%#lx)\n", cmd)); 1296 1297 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1298 cam_periph_unlock(periph); 1299 cam_periph_release(periph); 1300 return (error); 1301 } 1302 1303 /* 1304 * If we don't have media loaded, check for it. If still don't 1305 * have media loaded, we can only do a load or eject. 1306 * 1307 * We only care whether media is loaded if this is a cd-specific ioctl 1308 * (thus the IOCGROUP check below). Note that this will break if 1309 * anyone adds any ioctls into the switch statement below that don't 1310 * have their ioctl group set to 'c'. 1311 */ 1312 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1313 && ((cmd != CDIOCCLOSE) 1314 && (cmd != CDIOCEJECT)) 1315 && (IOCGROUP(cmd) == 'c')) { 1316 error = cdcheckmedia(periph); 1317 if (error != 0) { 1318 cam_periph_unhold(periph); 1319 cam_periph_unlock(periph); 1320 return (error); 1321 } 1322 } 1323 /* 1324 * Drop the lock here so later mallocs can use WAITOK. The periph 1325 * is essentially locked still with the cam_periph_hold call above. 1326 */ 1327 cam_periph_unlock(periph); 1328 1329 nocopyout = 0; 1330 switch (cmd) { 1331 1332 case CDIOCPLAYTRACKS: 1333 { 1334 struct ioc_play_track *args 1335 = (struct ioc_play_track *) addr; 1336 struct cd_mode_params params; 1337 union cd_pages *page; 1338 1339 params.alloc_len = sizeof(union cd_mode_data_6_10); 1340 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1341 M_WAITOK | M_ZERO); 1342 1343 cam_periph_lock(periph); 1344 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1345 ("trying to do CDIOCPLAYTRACKS\n")); 1346 1347 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1348 if (error) { 1349 free(params.mode_buf, M_SCSICD); 1350 cam_periph_unlock(periph); 1351 break; 1352 } 1353 page = cdgetpage(¶ms); 1354 1355 page->audio.flags &= ~CD_PA_SOTC; 1356 page->audio.flags |= CD_PA_IMMED; 1357 error = cdsetmode(periph, ¶ms); 1358 free(params.mode_buf, M_SCSICD); 1359 if (error) { 1360 cam_periph_unlock(periph); 1361 break; 1362 } 1363 1364 /* 1365 * This was originally implemented with the PLAY 1366 * AUDIO TRACK INDEX command, but that command was 1367 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1368 * drives support it but ATAPI and ATAPI-derivative 1369 * drives don't seem to support it. So we keep a 1370 * cache of the table of contents and translate 1371 * track numbers to MSF format. 1372 */ 1373 if (softc->flags & CD_FLAG_VALID_TOC) { 1374 union msf_lba *sentry, *eentry; 1375 int st, et; 1376 1377 if (args->end_track < 1378 softc->toc.header.ending_track + 1) 1379 args->end_track++; 1380 if (args->end_track > 1381 softc->toc.header.ending_track + 1) 1382 args->end_track = 1383 softc->toc.header.ending_track + 1; 1384 st = args->start_track - 1385 softc->toc.header.starting_track; 1386 et = args->end_track - 1387 softc->toc.header.starting_track; 1388 if ((st < 0) 1389 || (et < 0) 1390 || (st > (softc->toc.header.ending_track - 1391 softc->toc.header.starting_track))) { 1392 error = EINVAL; 1393 cam_periph_unlock(periph); 1394 break; 1395 } 1396 sentry = &softc->toc.entries[st].addr; 1397 eentry = &softc->toc.entries[et].addr; 1398 error = cdplaymsf(periph, 1399 sentry->msf.minute, 1400 sentry->msf.second, 1401 sentry->msf.frame, 1402 eentry->msf.minute, 1403 eentry->msf.second, 1404 eentry->msf.frame); 1405 } else { 1406 /* 1407 * If we don't have a valid TOC, try the 1408 * play track index command. It is part of 1409 * the SCSI-2 spec, but was removed in the 1410 * MMC specs. ATAPI and ATAPI-derived 1411 * drives don't support it. 1412 */ 1413 if (softc->quirks & CD_Q_BCD_TRACKS) { 1414 args->start_track = 1415 bin2bcd(args->start_track); 1416 args->end_track = 1417 bin2bcd(args->end_track); 1418 } 1419 error = cdplaytracks(periph, 1420 args->start_track, 1421 args->start_index, 1422 args->end_track, 1423 args->end_index); 1424 } 1425 cam_periph_unlock(periph); 1426 } 1427 break; 1428 case CDIOCPLAYMSF: 1429 { 1430 struct ioc_play_msf *args 1431 = (struct ioc_play_msf *) addr; 1432 struct cd_mode_params params; 1433 union cd_pages *page; 1434 1435 params.alloc_len = sizeof(union cd_mode_data_6_10); 1436 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1437 M_WAITOK | M_ZERO); 1438 1439 cam_periph_lock(periph); 1440 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1441 ("trying to do CDIOCPLAYMSF\n")); 1442 1443 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1444 if (error) { 1445 free(params.mode_buf, M_SCSICD); 1446 cam_periph_unlock(periph); 1447 break; 1448 } 1449 page = cdgetpage(¶ms); 1450 1451 page->audio.flags &= ~CD_PA_SOTC; 1452 page->audio.flags |= CD_PA_IMMED; 1453 error = cdsetmode(periph, ¶ms); 1454 free(params.mode_buf, M_SCSICD); 1455 if (error) { 1456 cam_periph_unlock(periph); 1457 break; 1458 } 1459 error = cdplaymsf(periph, 1460 args->start_m, 1461 args->start_s, 1462 args->start_f, 1463 args->end_m, 1464 args->end_s, 1465 args->end_f); 1466 cam_periph_unlock(periph); 1467 } 1468 break; 1469 case CDIOCPLAYBLOCKS: 1470 { 1471 struct ioc_play_blocks *args 1472 = (struct ioc_play_blocks *) addr; 1473 struct cd_mode_params params; 1474 union cd_pages *page; 1475 1476 params.alloc_len = sizeof(union cd_mode_data_6_10); 1477 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1478 M_WAITOK | M_ZERO); 1479 1480 cam_periph_lock(periph); 1481 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1482 ("trying to do CDIOCPLAYBLOCKS\n")); 1483 1484 1485 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1486 if (error) { 1487 free(params.mode_buf, M_SCSICD); 1488 cam_periph_unlock(periph); 1489 break; 1490 } 1491 page = cdgetpage(¶ms); 1492 1493 page->audio.flags &= ~CD_PA_SOTC; 1494 page->audio.flags |= CD_PA_IMMED; 1495 error = cdsetmode(periph, ¶ms); 1496 free(params.mode_buf, M_SCSICD); 1497 if (error) { 1498 cam_periph_unlock(periph); 1499 break; 1500 } 1501 error = cdplay(periph, args->blk, args->len); 1502 cam_periph_unlock(periph); 1503 } 1504 break; 1505 case CDIOCREADSUBCHANNEL_SYSSPACE: 1506 nocopyout = 1; 1507 /* Fallthrough */ 1508 case CDIOCREADSUBCHANNEL: 1509 { 1510 struct ioc_read_subchannel *args 1511 = (struct ioc_read_subchannel *) addr; 1512 struct cd_sub_channel_info *data; 1513 u_int32_t len = args->data_len; 1514 1515 data = malloc(sizeof(struct cd_sub_channel_info), 1516 M_SCSICD, M_WAITOK | M_ZERO); 1517 1518 cam_periph_lock(periph); 1519 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1520 ("trying to do CDIOCREADSUBCHANNEL\n")); 1521 1522 if ((len > sizeof(struct cd_sub_channel_info)) || 1523 (len < sizeof(struct cd_sub_channel_header))) { 1524 printf( 1525 "scsi_cd: cdioctl: " 1526 "cdioreadsubchannel: error, len=%d\n", 1527 len); 1528 error = EINVAL; 1529 free(data, M_SCSICD); 1530 cam_periph_unlock(periph); 1531 break; 1532 } 1533 1534 if (softc->quirks & CD_Q_BCD_TRACKS) 1535 args->track = bin2bcd(args->track); 1536 1537 error = cdreadsubchannel(periph, args->address_format, 1538 args->data_format, args->track, data, len); 1539 1540 if (error) { 1541 free(data, M_SCSICD); 1542 cam_periph_unlock(periph); 1543 break; 1544 } 1545 if (softc->quirks & CD_Q_BCD_TRACKS) 1546 data->what.track_info.track_number = 1547 bcd2bin(data->what.track_info.track_number); 1548 len = min(len, ((data->header.data_len[0] << 8) + 1549 data->header.data_len[1] + 1550 sizeof(struct cd_sub_channel_header))); 1551 cam_periph_unlock(periph); 1552 if (nocopyout == 0) { 1553 if (copyout(data, args->data, len) != 0) { 1554 error = EFAULT; 1555 } 1556 } else { 1557 bcopy(data, args->data, len); 1558 } 1559 free(data, M_SCSICD); 1560 } 1561 break; 1562 1563 case CDIOREADTOCHEADER: 1564 { 1565 struct ioc_toc_header *th; 1566 1567 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 1568 M_WAITOK | M_ZERO); 1569 1570 cam_periph_lock(periph); 1571 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1572 ("trying to do CDIOREADTOCHEADER\n")); 1573 1574 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1575 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 1576 if (error) { 1577 free(th, M_SCSICD); 1578 cam_periph_unlock(periph); 1579 break; 1580 } 1581 if (softc->quirks & CD_Q_BCD_TRACKS) { 1582 /* we are going to have to convert the BCD 1583 * encoding on the cd to what is expected 1584 */ 1585 th->starting_track = 1586 bcd2bin(th->starting_track); 1587 th->ending_track = bcd2bin(th->ending_track); 1588 } 1589 th->len = ntohs(th->len); 1590 bcopy(th, addr, sizeof(*th)); 1591 free(th, M_SCSICD); 1592 cam_periph_unlock(periph); 1593 } 1594 break; 1595 case CDIOREADTOCENTRYS: 1596 { 1597 struct cd_tocdata *data; 1598 struct cd_toc_single *lead; 1599 struct ioc_read_toc_entry *te = 1600 (struct ioc_read_toc_entry *) addr; 1601 struct ioc_toc_header *th; 1602 u_int32_t len, readlen, idx, num; 1603 u_int32_t starting_track = te->starting_track; 1604 1605 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1606 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 1607 1608 cam_periph_lock(periph); 1609 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1610 ("trying to do CDIOREADTOCENTRYS\n")); 1611 1612 if (te->data_len < sizeof(struct cd_toc_entry) 1613 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1614 || (te->address_format != CD_MSF_FORMAT 1615 && te->address_format != CD_LBA_FORMAT)) { 1616 error = EINVAL; 1617 printf("scsi_cd: error in readtocentries, " 1618 "returning EINVAL\n"); 1619 free(data, M_SCSICD); 1620 free(lead, M_SCSICD); 1621 cam_periph_unlock(periph); 1622 break; 1623 } 1624 1625 th = &data->header; 1626 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1627 sizeof (*th), /*sense_flags*/0); 1628 if (error) { 1629 free(data, M_SCSICD); 1630 free(lead, M_SCSICD); 1631 cam_periph_unlock(periph); 1632 break; 1633 } 1634 1635 if (softc->quirks & CD_Q_BCD_TRACKS) { 1636 /* we are going to have to convert the BCD 1637 * encoding on the cd to what is expected 1638 */ 1639 th->starting_track = 1640 bcd2bin(th->starting_track); 1641 th->ending_track = bcd2bin(th->ending_track); 1642 } 1643 1644 if (starting_track == 0) 1645 starting_track = th->starting_track; 1646 else if (starting_track == LEADOUT) 1647 starting_track = th->ending_track + 1; 1648 else if (starting_track < th->starting_track || 1649 starting_track > th->ending_track + 1) { 1650 printf("scsi_cd: error in readtocentries, " 1651 "returning EINVAL\n"); 1652 free(data, M_SCSICD); 1653 free(lead, M_SCSICD); 1654 cam_periph_unlock(periph); 1655 error = EINVAL; 1656 break; 1657 } 1658 1659 /* calculate reading length without leadout entry */ 1660 readlen = (th->ending_track - starting_track + 1) * 1661 sizeof(struct cd_toc_entry); 1662 1663 /* and with leadout entry */ 1664 len = readlen + sizeof(struct cd_toc_entry); 1665 if (te->data_len < len) { 1666 len = te->data_len; 1667 if (readlen > len) 1668 readlen = len; 1669 } 1670 if (len > sizeof(data->entries)) { 1671 printf("scsi_cd: error in readtocentries, " 1672 "returning EINVAL\n"); 1673 error = EINVAL; 1674 free(data, M_SCSICD); 1675 free(lead, M_SCSICD); 1676 cam_periph_unlock(periph); 1677 break; 1678 } 1679 num = len / sizeof(struct cd_toc_entry); 1680 1681 if (readlen > 0) { 1682 error = cdreadtoc(periph, te->address_format, 1683 starting_track, 1684 (u_int8_t *)data, 1685 readlen + sizeof (*th), 1686 /*sense_flags*/0); 1687 if (error) { 1688 free(data, M_SCSICD); 1689 free(lead, M_SCSICD); 1690 cam_periph_unlock(periph); 1691 break; 1692 } 1693 } 1694 1695 /* make leadout entry if needed */ 1696 idx = starting_track + num - 1; 1697 if (softc->quirks & CD_Q_BCD_TRACKS) 1698 th->ending_track = bcd2bin(th->ending_track); 1699 if (idx == th->ending_track + 1) { 1700 error = cdreadtoc(periph, te->address_format, 1701 LEADOUT, (u_int8_t *)lead, 1702 sizeof(*lead), 1703 /*sense_flags*/0); 1704 if (error) { 1705 free(data, M_SCSICD); 1706 free(lead, M_SCSICD); 1707 cam_periph_unlock(periph); 1708 break; 1709 } 1710 data->entries[idx - starting_track] = 1711 lead->entry; 1712 } 1713 if (softc->quirks & CD_Q_BCD_TRACKS) { 1714 for (idx = 0; idx < num - 1; idx++) { 1715 data->entries[idx].track = 1716 bcd2bin(data->entries[idx].track); 1717 } 1718 } 1719 1720 cam_periph_unlock(periph); 1721 error = copyout(data->entries, te->data, len); 1722 free(data, M_SCSICD); 1723 free(lead, M_SCSICD); 1724 } 1725 break; 1726 case CDIOREADTOCENTRY: 1727 { 1728 struct cd_toc_single *data; 1729 struct ioc_read_toc_single_entry *te = 1730 (struct ioc_read_toc_single_entry *) addr; 1731 struct ioc_toc_header *th; 1732 u_int32_t track; 1733 1734 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1735 1736 cam_periph_lock(periph); 1737 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1738 ("trying to do CDIOREADTOCENTRY\n")); 1739 1740 if (te->address_format != CD_MSF_FORMAT 1741 && te->address_format != CD_LBA_FORMAT) { 1742 printf("error in readtocentry, " 1743 " returning EINVAL\n"); 1744 free(data, M_SCSICD); 1745 error = EINVAL; 1746 cam_periph_unlock(periph); 1747 break; 1748 } 1749 1750 th = &data->header; 1751 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1752 sizeof (*th), /*sense_flags*/0); 1753 if (error) { 1754 free(data, M_SCSICD); 1755 cam_periph_unlock(periph); 1756 break; 1757 } 1758 1759 if (softc->quirks & CD_Q_BCD_TRACKS) { 1760 /* we are going to have to convert the BCD 1761 * encoding on the cd to what is expected 1762 */ 1763 th->starting_track = 1764 bcd2bin(th->starting_track); 1765 th->ending_track = bcd2bin(th->ending_track); 1766 } 1767 track = te->track; 1768 if (track == 0) 1769 track = th->starting_track; 1770 else if (track == LEADOUT) 1771 /* OK */; 1772 else if (track < th->starting_track || 1773 track > th->ending_track + 1) { 1774 printf("error in readtocentry, " 1775 " returning EINVAL\n"); 1776 free(data, M_SCSICD); 1777 error = EINVAL; 1778 cam_periph_unlock(periph); 1779 break; 1780 } 1781 1782 error = cdreadtoc(periph, te->address_format, track, 1783 (u_int8_t *)data, sizeof(*data), 1784 /*sense_flags*/0); 1785 if (error) { 1786 free(data, M_SCSICD); 1787 cam_periph_unlock(periph); 1788 break; 1789 } 1790 1791 if (softc->quirks & CD_Q_BCD_TRACKS) 1792 data->entry.track = bcd2bin(data->entry.track); 1793 bcopy(&data->entry, &te->entry, 1794 sizeof(struct cd_toc_entry)); 1795 free(data, M_SCSICD); 1796 cam_periph_unlock(periph); 1797 } 1798 break; 1799 case CDIOCSETPATCH: 1800 { 1801 struct ioc_patch *arg = (struct ioc_patch *)addr; 1802 struct cd_mode_params params; 1803 union cd_pages *page; 1804 1805 params.alloc_len = sizeof(union cd_mode_data_6_10); 1806 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1807 M_WAITOK | M_ZERO); 1808 1809 cam_periph_lock(periph); 1810 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1811 ("trying to do CDIOCSETPATCH\n")); 1812 1813 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1814 if (error) { 1815 free(params.mode_buf, M_SCSICD); 1816 cam_periph_unlock(periph); 1817 break; 1818 } 1819 page = cdgetpage(¶ms); 1820 1821 page->audio.port[LEFT_PORT].channels = 1822 arg->patch[0]; 1823 page->audio.port[RIGHT_PORT].channels = 1824 arg->patch[1]; 1825 page->audio.port[2].channels = arg->patch[2]; 1826 page->audio.port[3].channels = arg->patch[3]; 1827 error = cdsetmode(periph, ¶ms); 1828 free(params.mode_buf, M_SCSICD); 1829 cam_periph_unlock(periph); 1830 } 1831 break; 1832 case CDIOCGETVOL: 1833 { 1834 struct ioc_vol *arg = (struct ioc_vol *) addr; 1835 struct cd_mode_params params; 1836 union cd_pages *page; 1837 1838 params.alloc_len = sizeof(union cd_mode_data_6_10); 1839 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1840 M_WAITOK | M_ZERO); 1841 1842 cam_periph_lock(periph); 1843 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1844 ("trying to do CDIOCGETVOL\n")); 1845 1846 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1847 if (error) { 1848 free(params.mode_buf, M_SCSICD); 1849 cam_periph_unlock(periph); 1850 break; 1851 } 1852 page = cdgetpage(¶ms); 1853 1854 arg->vol[LEFT_PORT] = 1855 page->audio.port[LEFT_PORT].volume; 1856 arg->vol[RIGHT_PORT] = 1857 page->audio.port[RIGHT_PORT].volume; 1858 arg->vol[2] = page->audio.port[2].volume; 1859 arg->vol[3] = page->audio.port[3].volume; 1860 free(params.mode_buf, M_SCSICD); 1861 cam_periph_unlock(periph); 1862 } 1863 break; 1864 case CDIOCSETVOL: 1865 { 1866 struct ioc_vol *arg = (struct ioc_vol *) addr; 1867 struct cd_mode_params params; 1868 union cd_pages *page; 1869 1870 params.alloc_len = sizeof(union cd_mode_data_6_10); 1871 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1872 M_WAITOK | M_ZERO); 1873 1874 cam_periph_lock(periph); 1875 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1876 ("trying to do CDIOCSETVOL\n")); 1877 1878 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1879 if (error) { 1880 free(params.mode_buf, M_SCSICD); 1881 cam_periph_unlock(periph); 1882 break; 1883 } 1884 page = cdgetpage(¶ms); 1885 1886 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 1887 page->audio.port[LEFT_PORT].volume = 1888 arg->vol[LEFT_PORT]; 1889 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 1890 page->audio.port[RIGHT_PORT].volume = 1891 arg->vol[RIGHT_PORT]; 1892 page->audio.port[2].volume = arg->vol[2]; 1893 page->audio.port[3].volume = arg->vol[3]; 1894 error = cdsetmode(periph, ¶ms); 1895 cam_periph_unlock(periph); 1896 free(params.mode_buf, M_SCSICD); 1897 } 1898 break; 1899 case CDIOCSETMONO: 1900 { 1901 struct cd_mode_params params; 1902 union cd_pages *page; 1903 1904 params.alloc_len = sizeof(union cd_mode_data_6_10); 1905 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1906 M_WAITOK | M_ZERO); 1907 1908 cam_periph_lock(periph); 1909 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1910 ("trying to do CDIOCSETMONO\n")); 1911 1912 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1913 if (error) { 1914 free(params.mode_buf, M_SCSICD); 1915 cam_periph_unlock(periph); 1916 break; 1917 } 1918 page = cdgetpage(¶ms); 1919 1920 page->audio.port[LEFT_PORT].channels = 1921 LEFT_CHANNEL | RIGHT_CHANNEL; 1922 page->audio.port[RIGHT_PORT].channels = 1923 LEFT_CHANNEL | RIGHT_CHANNEL; 1924 page->audio.port[2].channels = 0; 1925 page->audio.port[3].channels = 0; 1926 error = cdsetmode(periph, ¶ms); 1927 cam_periph_unlock(periph); 1928 free(params.mode_buf, M_SCSICD); 1929 } 1930 break; 1931 case CDIOCSETSTEREO: 1932 { 1933 struct cd_mode_params params; 1934 union cd_pages *page; 1935 1936 params.alloc_len = sizeof(union cd_mode_data_6_10); 1937 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1938 M_WAITOK | M_ZERO); 1939 1940 cam_periph_lock(periph); 1941 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1942 ("trying to do CDIOCSETSTEREO\n")); 1943 1944 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1945 if (error) { 1946 free(params.mode_buf, M_SCSICD); 1947 cam_periph_unlock(periph); 1948 break; 1949 } 1950 page = cdgetpage(¶ms); 1951 1952 page->audio.port[LEFT_PORT].channels = 1953 LEFT_CHANNEL; 1954 page->audio.port[RIGHT_PORT].channels = 1955 RIGHT_CHANNEL; 1956 page->audio.port[2].channels = 0; 1957 page->audio.port[3].channels = 0; 1958 error = cdsetmode(periph, ¶ms); 1959 free(params.mode_buf, M_SCSICD); 1960 cam_periph_unlock(periph); 1961 } 1962 break; 1963 case CDIOCSETMUTE: 1964 { 1965 struct cd_mode_params params; 1966 union cd_pages *page; 1967 1968 params.alloc_len = sizeof(union cd_mode_data_6_10); 1969 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1970 M_WAITOK | M_ZERO); 1971 1972 cam_periph_lock(periph); 1973 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1974 ("trying to do CDIOCSETMUTE\n")); 1975 1976 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1977 if (error) { 1978 free(params.mode_buf, M_SCSICD); 1979 cam_periph_unlock(periph); 1980 break; 1981 } 1982 page = cdgetpage(¶ms); 1983 1984 page->audio.port[LEFT_PORT].channels = 0; 1985 page->audio.port[RIGHT_PORT].channels = 0; 1986 page->audio.port[2].channels = 0; 1987 page->audio.port[3].channels = 0; 1988 error = cdsetmode(periph, ¶ms); 1989 free(params.mode_buf, M_SCSICD); 1990 cam_periph_unlock(periph); 1991 } 1992 break; 1993 case CDIOCSETLEFT: 1994 { 1995 struct cd_mode_params params; 1996 union cd_pages *page; 1997 1998 params.alloc_len = sizeof(union cd_mode_data_6_10); 1999 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2000 M_WAITOK | M_ZERO); 2001 2002 cam_periph_lock(periph); 2003 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2004 ("trying to do CDIOCSETLEFT\n")); 2005 2006 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2007 if (error) { 2008 free(params.mode_buf, M_SCSICD); 2009 cam_periph_unlock(periph); 2010 break; 2011 } 2012 page = cdgetpage(¶ms); 2013 2014 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2015 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2016 page->audio.port[2].channels = 0; 2017 page->audio.port[3].channels = 0; 2018 error = cdsetmode(periph, ¶ms); 2019 free(params.mode_buf, M_SCSICD); 2020 cam_periph_unlock(periph); 2021 } 2022 break; 2023 case CDIOCSETRIGHT: 2024 { 2025 struct cd_mode_params params; 2026 union cd_pages *page; 2027 2028 params.alloc_len = sizeof(union cd_mode_data_6_10); 2029 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2030 M_WAITOK | M_ZERO); 2031 2032 cam_periph_lock(periph); 2033 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2034 ("trying to do CDIOCSETRIGHT\n")); 2035 2036 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2037 if (error) { 2038 free(params.mode_buf, M_SCSICD); 2039 cam_periph_unlock(periph); 2040 break; 2041 } 2042 page = cdgetpage(¶ms); 2043 2044 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2045 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2046 page->audio.port[2].channels = 0; 2047 page->audio.port[3].channels = 0; 2048 error = cdsetmode(periph, ¶ms); 2049 free(params.mode_buf, M_SCSICD); 2050 cam_periph_unlock(periph); 2051 } 2052 break; 2053 case CDIOCRESUME: 2054 cam_periph_lock(periph); 2055 error = cdpause(periph, 1); 2056 cam_periph_unlock(periph); 2057 break; 2058 case CDIOCPAUSE: 2059 cam_periph_lock(periph); 2060 error = cdpause(periph, 0); 2061 cam_periph_unlock(periph); 2062 break; 2063 case CDIOCSTART: 2064 cam_periph_lock(periph); 2065 error = cdstartunit(periph, 0); 2066 cam_periph_unlock(periph); 2067 break; 2068 case CDIOCCLOSE: 2069 cam_periph_lock(periph); 2070 error = cdstartunit(periph, 1); 2071 cam_periph_unlock(periph); 2072 break; 2073 case CDIOCSTOP: 2074 cam_periph_lock(periph); 2075 error = cdstopunit(periph, 0); 2076 cam_periph_unlock(periph); 2077 break; 2078 case CDIOCEJECT: 2079 cam_periph_lock(periph); 2080 error = cdstopunit(periph, 1); 2081 cam_periph_unlock(periph); 2082 break; 2083 case CDIOCALLOW: 2084 cam_periph_lock(periph); 2085 cdprevent(periph, PR_ALLOW); 2086 cam_periph_unlock(periph); 2087 break; 2088 case CDIOCPREVENT: 2089 cam_periph_lock(periph); 2090 cdprevent(periph, PR_PREVENT); 2091 cam_periph_unlock(periph); 2092 break; 2093 case CDIOCSETDEBUG: 2094 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2095 error = ENOTTY; 2096 break; 2097 case CDIOCCLRDEBUG: 2098 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2099 error = ENOTTY; 2100 break; 2101 case CDIOCRESET: 2102 /* return (cd_reset(periph)); */ 2103 error = ENOTTY; 2104 break; 2105 case CDRIOCREADSPEED: 2106 cam_periph_lock(periph); 2107 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2108 cam_periph_unlock(periph); 2109 break; 2110 case CDRIOCWRITESPEED: 2111 cam_periph_lock(periph); 2112 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2113 cam_periph_unlock(periph); 2114 break; 2115 case CDRIOCGETBLOCKSIZE: 2116 *(int *)addr = softc->params.blksize; 2117 break; 2118 case CDRIOCSETBLOCKSIZE: 2119 if (*(int *)addr <= 0) { 2120 error = EINVAL; 2121 break; 2122 } 2123 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2124 break; 2125 case DVDIOCSENDKEY: 2126 case DVDIOCREPORTKEY: { 2127 struct dvd_authinfo *authinfo; 2128 2129 authinfo = (struct dvd_authinfo *)addr; 2130 2131 if (cmd == DVDIOCREPORTKEY) 2132 error = cdreportkey(periph, authinfo); 2133 else 2134 error = cdsendkey(periph, authinfo); 2135 break; 2136 } 2137 case DVDIOCREADSTRUCTURE: { 2138 struct dvd_struct *dvdstruct; 2139 2140 dvdstruct = (struct dvd_struct *)addr; 2141 2142 error = cdreaddvdstructure(periph, dvdstruct); 2143 2144 break; 2145 } 2146 default: 2147 cam_periph_lock(periph); 2148 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2149 cam_periph_unlock(periph); 2150 break; 2151 } 2152 2153 cam_periph_lock(periph); 2154 cam_periph_unhold(periph); 2155 2156 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2157 if (error && bootverbose) { 2158 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2159 } 2160 cam_periph_unlock(periph); 2161 2162 return (error); 2163 } 2164 2165 static void 2166 cdprevent(struct cam_periph *periph, int action) 2167 { 2168 union ccb *ccb; 2169 struct cd_softc *softc; 2170 int error; 2171 2172 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2173 2174 softc = (struct cd_softc *)periph->softc; 2175 2176 if (((action == PR_ALLOW) 2177 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2178 || ((action == PR_PREVENT) 2179 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2180 return; 2181 } 2182 2183 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2184 2185 scsi_prevent(&ccb->csio, 2186 /*retries*/ cd_retry_count, 2187 cddone, 2188 MSG_SIMPLE_Q_TAG, 2189 action, 2190 SSD_FULL_SIZE, 2191 /* timeout */60000); 2192 2193 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2194 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2195 2196 xpt_release_ccb(ccb); 2197 2198 if (error == 0) { 2199 if (action == PR_ALLOW) 2200 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2201 else 2202 softc->flags |= CD_FLAG_DISC_LOCKED; 2203 } 2204 } 2205 2206 /* 2207 * XXX: the disk media and sector size is only really able to change 2208 * XXX: while the device is closed. 2209 */ 2210 static int 2211 cdcheckmedia(struct cam_periph *periph) 2212 { 2213 struct cd_softc *softc; 2214 struct ioc_toc_header *toch; 2215 struct cd_toc_single leadout; 2216 u_int32_t size, toclen; 2217 int error, num_entries, cdindex; 2218 2219 softc = (struct cd_softc *)periph->softc; 2220 2221 cdprevent(periph, PR_PREVENT); 2222 softc->disk->d_sectorsize = 2048; 2223 softc->disk->d_mediasize = 0; 2224 2225 /* 2226 * Get the disc size and block size. If we can't get it, we don't 2227 * have media, most likely. 2228 */ 2229 if ((error = cdsize(periph, &size)) != 0) { 2230 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2231 cdprevent(periph, PR_ALLOW); 2232 return (error); 2233 } else { 2234 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; 2235 softc->disk->d_sectorsize = softc->params.blksize; 2236 softc->disk->d_mediasize = 2237 (off_t)softc->params.blksize * softc->params.disksize; 2238 } 2239 2240 /* 2241 * Now we check the table of contents. This (currently) is only 2242 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2243 * things like present a separate entry in /dev for each track, 2244 * like that acd(4) driver does. 2245 */ 2246 bzero(&softc->toc, sizeof(softc->toc)); 2247 toch = &softc->toc.header; 2248 /* 2249 * We will get errors here for media that doesn't have a table of 2250 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2251 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2252 * has not been recorded (no complete session) and the Format codes 2253 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2254 * with an INVALID FIELD IN CDB. Devices that are not capable of 2255 * reading an incomplete session on DDC/CD-R/RW media shall report 2256 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2257 * 2258 * So this isn't fatal if we can't read the table of contents, it 2259 * just means that the user won't be able to issue the play tracks 2260 * ioctl, and likely lots of other stuff won't work either. They 2261 * need to burn the CD before we can do a whole lot with it. So 2262 * we don't print anything here if we get an error back. 2263 */ 2264 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2265 SF_NO_PRINT); 2266 /* 2267 * Errors in reading the table of contents aren't fatal, we just 2268 * won't have a valid table of contents cached. 2269 */ 2270 if (error != 0) { 2271 error = 0; 2272 bzero(&softc->toc, sizeof(softc->toc)); 2273 goto bailout; 2274 } 2275 2276 if (softc->quirks & CD_Q_BCD_TRACKS) { 2277 toch->starting_track = bcd2bin(toch->starting_track); 2278 toch->ending_track = bcd2bin(toch->ending_track); 2279 } 2280 2281 /* Number of TOC entries, plus leadout */ 2282 num_entries = (toch->ending_track - toch->starting_track) + 2; 2283 2284 if (num_entries <= 0) 2285 goto bailout; 2286 2287 toclen = num_entries * sizeof(struct cd_toc_entry); 2288 2289 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2290 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2291 SF_NO_PRINT); 2292 if (error != 0) { 2293 error = 0; 2294 bzero(&softc->toc, sizeof(softc->toc)); 2295 goto bailout; 2296 } 2297 2298 if (softc->quirks & CD_Q_BCD_TRACKS) { 2299 toch->starting_track = bcd2bin(toch->starting_track); 2300 toch->ending_track = bcd2bin(toch->ending_track); 2301 } 2302 /* 2303 * XXX KDM is this necessary? Probably only if the drive doesn't 2304 * return leadout information with the table of contents. 2305 */ 2306 cdindex = toch->starting_track + num_entries -1; 2307 if (cdindex == toch->ending_track + 1) { 2308 2309 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2310 (u_int8_t *)&leadout, sizeof(leadout), 2311 SF_NO_PRINT); 2312 if (error != 0) { 2313 error = 0; 2314 goto bailout; 2315 } 2316 softc->toc.entries[cdindex - toch->starting_track] = 2317 leadout.entry; 2318 } 2319 if (softc->quirks & CD_Q_BCD_TRACKS) { 2320 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2321 softc->toc.entries[cdindex].track = 2322 bcd2bin(softc->toc.entries[cdindex].track); 2323 } 2324 } 2325 2326 softc->flags |= CD_FLAG_VALID_TOC; 2327 2328 /* If the first track is audio, correct sector size. */ 2329 if ((softc->toc.entries[0].control & 4) == 0) { 2330 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2331 softc->disk->d_mediasize = 2332 (off_t)softc->params.blksize * softc->params.disksize; 2333 } 2334 2335 bailout: 2336 2337 /* 2338 * We unconditionally (re)set the blocksize each time the 2339 * CD device is opened. This is because the CD can change, 2340 * and therefore the blocksize might change. 2341 * XXX problems here if some slice or partition is still 2342 * open with the old size? 2343 */ 2344 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2345 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2346 softc->disk->d_devstat->block_size = softc->params.blksize; 2347 2348 return (error); 2349 } 2350 2351 static int 2352 cdsize(struct cam_periph *periph, u_int32_t *size) 2353 { 2354 struct cd_softc *softc; 2355 union ccb *ccb; 2356 struct scsi_read_capacity_data *rcap_buf; 2357 int error; 2358 2359 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2360 2361 softc = (struct cd_softc *)periph->softc; 2362 2363 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2364 2365 /* XXX Should be M_WAITOK */ 2366 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2367 M_SCSICD, M_NOWAIT | M_ZERO); 2368 if (rcap_buf == NULL) 2369 return (ENOMEM); 2370 2371 scsi_read_capacity(&ccb->csio, 2372 /*retries*/ cd_retry_count, 2373 cddone, 2374 MSG_SIMPLE_Q_TAG, 2375 rcap_buf, 2376 SSD_FULL_SIZE, 2377 /* timeout */20000); 2378 2379 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2380 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2381 2382 xpt_release_ccb(ccb); 2383 2384 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2385 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2386 /* Make sure we got at least some block size. */ 2387 if (error == 0 && softc->params.blksize == 0) 2388 error = EIO; 2389 /* 2390 * SCSI-3 mandates that the reported blocksize shall be 2048. 2391 * Older drives sometimes report funny values, trim it down to 2392 * 2048, or other parts of the kernel will get confused. 2393 * 2394 * XXX we leave drives alone that might report 512 bytes, as 2395 * well as drives reporting more weird sizes like perhaps 4K. 2396 */ 2397 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2398 softc->params.blksize = 2048; 2399 2400 free(rcap_buf, M_SCSICD); 2401 *size = softc->params.disksize; 2402 2403 return (error); 2404 2405 } 2406 2407 static int 2408 cd6byteworkaround(union ccb *ccb) 2409 { 2410 u_int8_t *cdb; 2411 struct cam_periph *periph; 2412 struct cd_softc *softc; 2413 struct cd_mode_params *params; 2414 int frozen, found; 2415 2416 periph = xpt_path_periph(ccb->ccb_h.path); 2417 softc = (struct cd_softc *)periph->softc; 2418 2419 cdb = ccb->csio.cdb_io.cdb_bytes; 2420 2421 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2422 || ((cdb[0] != MODE_SENSE_6) 2423 && (cdb[0] != MODE_SELECT_6))) 2424 return (0); 2425 2426 /* 2427 * Because there is no convenient place to stash the overall 2428 * cd_mode_params structure pointer, we have to grab it like this. 2429 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2430 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2431 * 2432 * XXX It would be nice if, at some point, we could increase the 2433 * number of available peripheral private pointers. Both pointers 2434 * are currently used in most every peripheral driver. 2435 */ 2436 found = 0; 2437 2438 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2439 if (params->mode_buf == ccb->csio.data_ptr) { 2440 found = 1; 2441 break; 2442 } 2443 } 2444 2445 /* 2446 * This shouldn't happen. All mode sense and mode select 2447 * operations in the cd(4) driver MUST go through cdgetmode() and 2448 * cdsetmode()! 2449 */ 2450 if (found == 0) { 2451 xpt_print(periph->path, 2452 "mode buffer not found in mode queue!\n"); 2453 return (0); 2454 } 2455 2456 params->cdb_size = 10; 2457 softc->minimum_command_size = 10; 2458 xpt_print(ccb->ccb_h.path, 2459 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2460 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2461 2462 if (cdb[0] == MODE_SENSE_6) { 2463 struct scsi_mode_sense_10 ms10; 2464 struct scsi_mode_sense_6 *ms6; 2465 int len; 2466 2467 ms6 = (struct scsi_mode_sense_6 *)cdb; 2468 2469 bzero(&ms10, sizeof(ms10)); 2470 ms10.opcode = MODE_SENSE_10; 2471 ms10.byte2 = ms6->byte2; 2472 ms10.page = ms6->page; 2473 2474 /* 2475 * 10 byte mode header, block descriptor, 2476 * sizeof(union cd_pages) 2477 */ 2478 len = sizeof(struct cd_mode_data_10); 2479 ccb->csio.dxfer_len = len; 2480 2481 scsi_ulto2b(len, ms10.length); 2482 ms10.control = ms6->control; 2483 bcopy(&ms10, cdb, 10); 2484 ccb->csio.cdb_len = 10; 2485 } else { 2486 struct scsi_mode_select_10 ms10; 2487 struct scsi_mode_select_6 *ms6; 2488 struct scsi_mode_header_6 *header6; 2489 struct scsi_mode_header_10 *header10; 2490 struct scsi_mode_page_header *page_header; 2491 int blk_desc_len, page_num, page_size, len; 2492 2493 ms6 = (struct scsi_mode_select_6 *)cdb; 2494 2495 bzero(&ms10, sizeof(ms10)); 2496 ms10.opcode = MODE_SELECT_10; 2497 ms10.byte2 = ms6->byte2; 2498 2499 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2500 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2501 2502 page_header = find_mode_page_6(header6); 2503 page_num = page_header->page_code; 2504 2505 blk_desc_len = header6->blk_desc_len; 2506 2507 page_size = cdgetpagesize(page_num); 2508 2509 if (page_size != (page_header->page_length + 2510 sizeof(*page_header))) 2511 page_size = page_header->page_length + 2512 sizeof(*page_header); 2513 2514 len = sizeof(*header10) + blk_desc_len + page_size; 2515 2516 len = min(params->alloc_len, len); 2517 2518 /* 2519 * Since the 6 byte parameter header is shorter than the 10 2520 * byte parameter header, we need to copy the actual mode 2521 * page data, and the block descriptor, if any, so things wind 2522 * up in the right place. The regions will overlap, but 2523 * bcopy() does the right thing. 2524 */ 2525 bcopy(params->mode_buf + sizeof(*header6), 2526 params->mode_buf + sizeof(*header10), 2527 len - sizeof(*header10)); 2528 2529 /* Make sure these fields are set correctly. */ 2530 scsi_ulto2b(0, header10->data_length); 2531 header10->medium_type = 0; 2532 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 2533 2534 ccb->csio.dxfer_len = len; 2535 2536 scsi_ulto2b(len, ms10.length); 2537 ms10.control = ms6->control; 2538 bcopy(&ms10, cdb, 10); 2539 ccb->csio.cdb_len = 10; 2540 } 2541 2542 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2543 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2544 xpt_action(ccb); 2545 if (frozen) { 2546 cam_release_devq(ccb->ccb_h.path, 2547 /*relsim_flags*/0, 2548 /*openings*/0, 2549 /*timeout*/0, 2550 /*getcount_only*/0); 2551 } 2552 2553 return (ERESTART); 2554 } 2555 2556 static int 2557 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2558 { 2559 struct cd_softc *softc; 2560 struct cam_periph *periph; 2561 int error, error_code, sense_key, asc, ascq; 2562 2563 periph = xpt_path_periph(ccb->ccb_h.path); 2564 softc = (struct cd_softc *)periph->softc; 2565 2566 error = 0; 2567 2568 /* 2569 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 2570 * CDB comes back with this particular error, try transforming it 2571 * into the 10 byte version. 2572 */ 2573 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2574 error = cd6byteworkaround(ccb); 2575 } else if (scsi_extract_sense_ccb(ccb, 2576 &error_code, &sense_key, &asc, &ascq)) { 2577 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2578 error = cd6byteworkaround(ccb); 2579 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 2580 asc == 0x28 && ascq == 0x00) 2581 disk_media_changed(softc->disk, M_NOWAIT); 2582 else if (sense_key == SSD_KEY_NOT_READY && 2583 asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { 2584 softc->flags &= ~CD_FLAG_SAW_MEDIA; 2585 disk_media_gone(softc->disk, M_NOWAIT); 2586 } 2587 } 2588 2589 if (error == ERESTART) 2590 return (error); 2591 2592 /* 2593 * XXX 2594 * Until we have a better way of doing pack validation, 2595 * don't treat UAs as errors. 2596 */ 2597 sense_flags |= SF_RETRY_UA; 2598 2599 if (softc->quirks & CD_Q_RETRY_BUSY) 2600 sense_flags |= SF_RETRY_BUSY; 2601 return (cam_periph_error(ccb, cam_flags, sense_flags, 2602 &softc->saved_ccb)); 2603 } 2604 2605 static void 2606 cdmediapoll(void *arg) 2607 { 2608 struct cam_periph *periph = arg; 2609 struct cd_softc *softc = periph->softc; 2610 2611 if (softc->state == CD_STATE_NORMAL && !softc->tur && 2612 softc->outstanding_cmds == 0) { 2613 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 2614 softc->tur = 1; 2615 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 2616 } 2617 } 2618 /* Queue us up again */ 2619 if (cd_poll_period != 0) 2620 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); 2621 } 2622 2623 /* 2624 * Read table of contents 2625 */ 2626 static int 2627 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2628 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 2629 { 2630 struct scsi_read_toc *scsi_cmd; 2631 u_int32_t ntoc; 2632 struct ccb_scsiio *csio; 2633 union ccb *ccb; 2634 int error; 2635 2636 ntoc = len; 2637 error = 0; 2638 2639 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2640 2641 csio = &ccb->csio; 2642 2643 cam_fill_csio(csio, 2644 /* retries */ cd_retry_count, 2645 /* cbfcnp */ cddone, 2646 /* flags */ CAM_DIR_IN, 2647 /* tag_action */ MSG_SIMPLE_Q_TAG, 2648 /* data_ptr */ data, 2649 /* dxfer_len */ len, 2650 /* sense_len */ SSD_FULL_SIZE, 2651 sizeof(struct scsi_read_toc), 2652 /* timeout */ 50000); 2653 2654 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2655 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2656 2657 if (mode == CD_MSF_FORMAT) 2658 scsi_cmd->byte2 |= CD_MSF; 2659 scsi_cmd->from_track = start; 2660 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2661 scsi_cmd->data_len[0] = (ntoc) >> 8; 2662 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2663 2664 scsi_cmd->op_code = READ_TOC; 2665 2666 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2667 /*sense_flags*/SF_RETRY_UA | sense_flags); 2668 2669 xpt_release_ccb(ccb); 2670 2671 return(error); 2672 } 2673 2674 static int 2675 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2676 u_int32_t format, int track, 2677 struct cd_sub_channel_info *data, u_int32_t len) 2678 { 2679 struct scsi_read_subchannel *scsi_cmd; 2680 struct ccb_scsiio *csio; 2681 union ccb *ccb; 2682 int error; 2683 2684 error = 0; 2685 2686 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2687 2688 csio = &ccb->csio; 2689 2690 cam_fill_csio(csio, 2691 /* retries */ cd_retry_count, 2692 /* cbfcnp */ cddone, 2693 /* flags */ CAM_DIR_IN, 2694 /* tag_action */ MSG_SIMPLE_Q_TAG, 2695 /* data_ptr */ (u_int8_t *)data, 2696 /* dxfer_len */ len, 2697 /* sense_len */ SSD_FULL_SIZE, 2698 sizeof(struct scsi_read_subchannel), 2699 /* timeout */ 50000); 2700 2701 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2702 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2703 2704 scsi_cmd->op_code = READ_SUBCHANNEL; 2705 if (mode == CD_MSF_FORMAT) 2706 scsi_cmd->byte1 |= CD_MSF; 2707 scsi_cmd->byte2 = SRS_SUBQ; 2708 scsi_cmd->subchan_format = format; 2709 scsi_cmd->track = track; 2710 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2711 scsi_cmd->control = 0; 2712 2713 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2714 /*sense_flags*/SF_RETRY_UA); 2715 2716 xpt_release_ccb(ccb); 2717 2718 return(error); 2719 } 2720 2721 2722 /* 2723 * All MODE_SENSE requests in the cd(4) driver MUST go through this 2724 * routine. See comments in cd6byteworkaround() for details. 2725 */ 2726 static int 2727 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 2728 u_int32_t page) 2729 { 2730 struct ccb_scsiio *csio; 2731 struct cd_softc *softc; 2732 union ccb *ccb; 2733 int param_len; 2734 int error; 2735 2736 softc = (struct cd_softc *)periph->softc; 2737 2738 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2739 2740 csio = &ccb->csio; 2741 2742 data->cdb_size = softc->minimum_command_size; 2743 if (data->cdb_size < 10) 2744 param_len = sizeof(struct cd_mode_data); 2745 else 2746 param_len = sizeof(struct cd_mode_data_10); 2747 2748 /* Don't say we've got more room than we actually allocated */ 2749 param_len = min(param_len, data->alloc_len); 2750 2751 scsi_mode_sense_len(csio, 2752 /* retries */ cd_retry_count, 2753 /* cbfcnp */ cddone, 2754 /* tag_action */ MSG_SIMPLE_Q_TAG, 2755 /* dbd */ 0, 2756 /* page_code */ SMS_PAGE_CTRL_CURRENT, 2757 /* page */ page, 2758 /* param_buf */ data->mode_buf, 2759 /* param_len */ param_len, 2760 /* minimum_cmd_size */ softc->minimum_command_size, 2761 /* sense_len */ SSD_FULL_SIZE, 2762 /* timeout */ 50000); 2763 2764 /* 2765 * It would be nice not to have to do this, but there's no 2766 * available pointer in the CCB that would allow us to stuff the 2767 * mode params structure in there and retrieve it in 2768 * cd6byteworkaround(), so we can set the cdb size. The cdb size 2769 * lets the caller know what CDB size we ended up using, so they 2770 * can find the actual mode page offset. 2771 */ 2772 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2773 2774 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2775 /*sense_flags*/SF_RETRY_UA); 2776 2777 xpt_release_ccb(ccb); 2778 2779 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2780 2781 /* 2782 * This is a bit of belt-and-suspenders checking, but if we run 2783 * into a situation where the target sends back multiple block 2784 * descriptors, we might not have enough space in the buffer to 2785 * see the whole mode page. Better to return an error than 2786 * potentially access memory beyond our malloced region. 2787 */ 2788 if (error == 0) { 2789 u_int32_t data_len; 2790 2791 if (data->cdb_size == 10) { 2792 struct scsi_mode_header_10 *hdr10; 2793 2794 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 2795 data_len = scsi_2btoul(hdr10->data_length); 2796 data_len += sizeof(hdr10->data_length); 2797 } else { 2798 struct scsi_mode_header_6 *hdr6; 2799 2800 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 2801 data_len = hdr6->data_length; 2802 data_len += sizeof(hdr6->data_length); 2803 } 2804 2805 /* 2806 * Complain if there is more mode data available than we 2807 * allocated space for. This could potentially happen if 2808 * we miscalculated the page length for some reason, if the 2809 * drive returns multiple block descriptors, or if it sets 2810 * the data length incorrectly. 2811 */ 2812 if (data_len > data->alloc_len) { 2813 xpt_print(periph->path, "allocated modepage %d length " 2814 "%d < returned length %d\n", page, data->alloc_len, 2815 data_len); 2816 error = ENOSPC; 2817 } 2818 } 2819 return (error); 2820 } 2821 2822 /* 2823 * All MODE_SELECT requests in the cd(4) driver MUST go through this 2824 * routine. See comments in cd6byteworkaround() for details. 2825 */ 2826 static int 2827 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 2828 { 2829 struct ccb_scsiio *csio; 2830 struct cd_softc *softc; 2831 union ccb *ccb; 2832 int cdb_size, param_len; 2833 int error; 2834 2835 softc = (struct cd_softc *)periph->softc; 2836 2837 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2838 2839 csio = &ccb->csio; 2840 2841 error = 0; 2842 2843 /* 2844 * If the data is formatted for the 10 byte version of the mode 2845 * select parameter list, we need to use the 10 byte CDB. 2846 * Otherwise, we use whatever the stored minimum command size. 2847 */ 2848 if (data->cdb_size == 10) 2849 cdb_size = data->cdb_size; 2850 else 2851 cdb_size = softc->minimum_command_size; 2852 2853 if (cdb_size >= 10) { 2854 struct scsi_mode_header_10 *mode_header; 2855 u_int32_t data_len; 2856 2857 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 2858 2859 data_len = scsi_2btoul(mode_header->data_length); 2860 2861 scsi_ulto2b(0, mode_header->data_length); 2862 /* 2863 * SONY drives do not allow a mode select with a medium_type 2864 * value that has just been returned by a mode sense; use a 2865 * medium_type of 0 (Default) instead. 2866 */ 2867 mode_header->medium_type = 0; 2868 2869 /* 2870 * Pass back whatever the drive passed to us, plus the size 2871 * of the data length field. 2872 */ 2873 param_len = data_len + sizeof(mode_header->data_length); 2874 2875 } else { 2876 struct scsi_mode_header_6 *mode_header; 2877 2878 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 2879 2880 param_len = mode_header->data_length + 1; 2881 2882 mode_header->data_length = 0; 2883 /* 2884 * SONY drives do not allow a mode select with a medium_type 2885 * value that has just been returned by a mode sense; use a 2886 * medium_type of 0 (Default) instead. 2887 */ 2888 mode_header->medium_type = 0; 2889 } 2890 2891 /* Don't say we've got more room than we actually allocated */ 2892 param_len = min(param_len, data->alloc_len); 2893 2894 scsi_mode_select_len(csio, 2895 /* retries */ cd_retry_count, 2896 /* cbfcnp */ cddone, 2897 /* tag_action */ MSG_SIMPLE_Q_TAG, 2898 /* scsi_page_fmt */ 1, 2899 /* save_pages */ 0, 2900 /* param_buf */ data->mode_buf, 2901 /* param_len */ param_len, 2902 /* minimum_cmd_size */ cdb_size, 2903 /* sense_len */ SSD_FULL_SIZE, 2904 /* timeout */ 50000); 2905 2906 /* See comments in cdgetmode() and cd6byteworkaround(). */ 2907 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2908 2909 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2910 /*sense_flags*/SF_RETRY_UA); 2911 2912 xpt_release_ccb(ccb); 2913 2914 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2915 2916 return (error); 2917 } 2918 2919 2920 static int 2921 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2922 { 2923 struct ccb_scsiio *csio; 2924 union ccb *ccb; 2925 int error; 2926 u_int8_t cdb_len; 2927 2928 error = 0; 2929 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2930 csio = &ccb->csio; 2931 /* 2932 * Use the smallest possible command to perform the operation. 2933 */ 2934 if ((len & 0xffff0000) == 0) { 2935 /* 2936 * We can fit in a 10 byte cdb. 2937 */ 2938 struct scsi_play_10 *scsi_cmd; 2939 2940 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2941 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2942 scsi_cmd->op_code = PLAY_10; 2943 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2944 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2945 cdb_len = sizeof(*scsi_cmd); 2946 } else { 2947 struct scsi_play_12 *scsi_cmd; 2948 2949 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2950 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2951 scsi_cmd->op_code = PLAY_12; 2952 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2953 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2954 cdb_len = sizeof(*scsi_cmd); 2955 } 2956 cam_fill_csio(csio, 2957 /*retries*/ cd_retry_count, 2958 cddone, 2959 /*flags*/CAM_DIR_NONE, 2960 MSG_SIMPLE_Q_TAG, 2961 /*dataptr*/NULL, 2962 /*datalen*/0, 2963 /*sense_len*/SSD_FULL_SIZE, 2964 cdb_len, 2965 /*timeout*/50 * 1000); 2966 2967 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2968 /*sense_flags*/SF_RETRY_UA); 2969 2970 xpt_release_ccb(ccb); 2971 2972 return(error); 2973 } 2974 2975 static int 2976 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2977 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2978 { 2979 struct scsi_play_msf *scsi_cmd; 2980 struct ccb_scsiio *csio; 2981 union ccb *ccb; 2982 int error; 2983 2984 error = 0; 2985 2986 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2987 2988 csio = &ccb->csio; 2989 2990 cam_fill_csio(csio, 2991 /* retries */ cd_retry_count, 2992 /* cbfcnp */ cddone, 2993 /* flags */ CAM_DIR_NONE, 2994 /* tag_action */ MSG_SIMPLE_Q_TAG, 2995 /* data_ptr */ NULL, 2996 /* dxfer_len */ 0, 2997 /* sense_len */ SSD_FULL_SIZE, 2998 sizeof(struct scsi_play_msf), 2999 /* timeout */ 50000); 3000 3001 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3002 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3003 3004 scsi_cmd->op_code = PLAY_MSF; 3005 scsi_cmd->start_m = startm; 3006 scsi_cmd->start_s = starts; 3007 scsi_cmd->start_f = startf; 3008 scsi_cmd->end_m = endm; 3009 scsi_cmd->end_s = ends; 3010 scsi_cmd->end_f = endf; 3011 3012 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3013 /*sense_flags*/SF_RETRY_UA); 3014 3015 xpt_release_ccb(ccb); 3016 3017 return(error); 3018 } 3019 3020 3021 static int 3022 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3023 u_int32_t etrack, u_int32_t eindex) 3024 { 3025 struct scsi_play_track *scsi_cmd; 3026 struct ccb_scsiio *csio; 3027 union ccb *ccb; 3028 int error; 3029 3030 error = 0; 3031 3032 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3033 3034 csio = &ccb->csio; 3035 3036 cam_fill_csio(csio, 3037 /* retries */ cd_retry_count, 3038 /* cbfcnp */ cddone, 3039 /* flags */ CAM_DIR_NONE, 3040 /* tag_action */ MSG_SIMPLE_Q_TAG, 3041 /* data_ptr */ NULL, 3042 /* dxfer_len */ 0, 3043 /* sense_len */ SSD_FULL_SIZE, 3044 sizeof(struct scsi_play_track), 3045 /* timeout */ 50000); 3046 3047 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3048 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3049 3050 scsi_cmd->op_code = PLAY_TRACK; 3051 scsi_cmd->start_track = strack; 3052 scsi_cmd->start_index = sindex; 3053 scsi_cmd->end_track = etrack; 3054 scsi_cmd->end_index = eindex; 3055 3056 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3057 /*sense_flags*/SF_RETRY_UA); 3058 3059 xpt_release_ccb(ccb); 3060 3061 return(error); 3062 } 3063 3064 static int 3065 cdpause(struct cam_periph *periph, u_int32_t go) 3066 { 3067 struct scsi_pause *scsi_cmd; 3068 struct ccb_scsiio *csio; 3069 union ccb *ccb; 3070 int error; 3071 3072 error = 0; 3073 3074 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3075 3076 csio = &ccb->csio; 3077 3078 cam_fill_csio(csio, 3079 /* retries */ cd_retry_count, 3080 /* cbfcnp */ cddone, 3081 /* flags */ CAM_DIR_NONE, 3082 /* tag_action */ MSG_SIMPLE_Q_TAG, 3083 /* data_ptr */ NULL, 3084 /* dxfer_len */ 0, 3085 /* sense_len */ SSD_FULL_SIZE, 3086 sizeof(struct scsi_pause), 3087 /* timeout */ 50000); 3088 3089 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3090 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3091 3092 scsi_cmd->op_code = PAUSE; 3093 scsi_cmd->resume = go; 3094 3095 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3096 /*sense_flags*/SF_RETRY_UA); 3097 3098 xpt_release_ccb(ccb); 3099 3100 return(error); 3101 } 3102 3103 static int 3104 cdstartunit(struct cam_periph *periph, int load) 3105 { 3106 union ccb *ccb; 3107 int error; 3108 3109 error = 0; 3110 3111 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3112 3113 scsi_start_stop(&ccb->csio, 3114 /* retries */ cd_retry_count, 3115 /* cbfcnp */ cddone, 3116 /* tag_action */ MSG_SIMPLE_Q_TAG, 3117 /* start */ TRUE, 3118 /* load_eject */ load, 3119 /* immediate */ FALSE, 3120 /* sense_len */ SSD_FULL_SIZE, 3121 /* timeout */ 50000); 3122 3123 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3124 /*sense_flags*/SF_RETRY_UA); 3125 3126 xpt_release_ccb(ccb); 3127 3128 return(error); 3129 } 3130 3131 static int 3132 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3133 { 3134 union ccb *ccb; 3135 int error; 3136 3137 error = 0; 3138 3139 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3140 3141 scsi_start_stop(&ccb->csio, 3142 /* retries */ cd_retry_count, 3143 /* cbfcnp */ cddone, 3144 /* tag_action */ MSG_SIMPLE_Q_TAG, 3145 /* start */ FALSE, 3146 /* load_eject */ eject, 3147 /* immediate */ FALSE, 3148 /* sense_len */ SSD_FULL_SIZE, 3149 /* timeout */ 50000); 3150 3151 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3152 /*sense_flags*/SF_RETRY_UA); 3153 3154 xpt_release_ccb(ccb); 3155 3156 return(error); 3157 } 3158 3159 static int 3160 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3161 { 3162 struct scsi_set_speed *scsi_cmd; 3163 struct ccb_scsiio *csio; 3164 union ccb *ccb; 3165 int error; 3166 3167 error = 0; 3168 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3169 csio = &ccb->csio; 3170 3171 /* Preserve old behavior: units in multiples of CDROM speed */ 3172 if (rdspeed < 177) 3173 rdspeed *= 177; 3174 if (wrspeed < 177) 3175 wrspeed *= 177; 3176 3177 cam_fill_csio(csio, 3178 /* retries */ cd_retry_count, 3179 /* cbfcnp */ cddone, 3180 /* flags */ CAM_DIR_NONE, 3181 /* tag_action */ MSG_SIMPLE_Q_TAG, 3182 /* data_ptr */ NULL, 3183 /* dxfer_len */ 0, 3184 /* sense_len */ SSD_FULL_SIZE, 3185 sizeof(struct scsi_set_speed), 3186 /* timeout */ 50000); 3187 3188 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3189 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3190 3191 scsi_cmd->opcode = SET_CD_SPEED; 3192 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3193 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3194 3195 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3196 /*sense_flags*/SF_RETRY_UA); 3197 3198 xpt_release_ccb(ccb); 3199 3200 return(error); 3201 } 3202 3203 static int 3204 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3205 { 3206 union ccb *ccb; 3207 u_int8_t *databuf; 3208 u_int32_t lba; 3209 int error; 3210 int length; 3211 3212 error = 0; 3213 databuf = NULL; 3214 lba = 0; 3215 3216 switch (authinfo->format) { 3217 case DVD_REPORT_AGID: 3218 length = sizeof(struct scsi_report_key_data_agid); 3219 break; 3220 case DVD_REPORT_CHALLENGE: 3221 length = sizeof(struct scsi_report_key_data_challenge); 3222 break; 3223 case DVD_REPORT_KEY1: 3224 length = sizeof(struct scsi_report_key_data_key1_key2); 3225 break; 3226 case DVD_REPORT_TITLE_KEY: 3227 length = sizeof(struct scsi_report_key_data_title); 3228 /* The lba field is only set for the title key */ 3229 lba = authinfo->lba; 3230 break; 3231 case DVD_REPORT_ASF: 3232 length = sizeof(struct scsi_report_key_data_asf); 3233 break; 3234 case DVD_REPORT_RPC: 3235 length = sizeof(struct scsi_report_key_data_rpc); 3236 break; 3237 case DVD_INVALIDATE_AGID: 3238 length = 0; 3239 break; 3240 default: 3241 return (EINVAL); 3242 } 3243 3244 if (length != 0) { 3245 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3246 } else 3247 databuf = NULL; 3248 3249 cam_periph_lock(periph); 3250 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3251 3252 scsi_report_key(&ccb->csio, 3253 /* retries */ cd_retry_count, 3254 /* cbfcnp */ cddone, 3255 /* tag_action */ MSG_SIMPLE_Q_TAG, 3256 /* lba */ lba, 3257 /* agid */ authinfo->agid, 3258 /* key_format */ authinfo->format, 3259 /* data_ptr */ databuf, 3260 /* dxfer_len */ length, 3261 /* sense_len */ SSD_FULL_SIZE, 3262 /* timeout */ 50000); 3263 3264 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3265 /*sense_flags*/SF_RETRY_UA); 3266 3267 if (error != 0) 3268 goto bailout; 3269 3270 if (ccb->csio.resid != 0) { 3271 xpt_print(periph->path, "warning, residual for report key " 3272 "command is %d\n", ccb->csio.resid); 3273 } 3274 3275 switch(authinfo->format) { 3276 case DVD_REPORT_AGID: { 3277 struct scsi_report_key_data_agid *agid_data; 3278 3279 agid_data = (struct scsi_report_key_data_agid *)databuf; 3280 3281 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3282 RKD_AGID_SHIFT; 3283 break; 3284 } 3285 case DVD_REPORT_CHALLENGE: { 3286 struct scsi_report_key_data_challenge *chal_data; 3287 3288 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3289 3290 bcopy(chal_data->challenge_key, authinfo->keychal, 3291 min(sizeof(chal_data->challenge_key), 3292 sizeof(authinfo->keychal))); 3293 break; 3294 } 3295 case DVD_REPORT_KEY1: { 3296 struct scsi_report_key_data_key1_key2 *key1_data; 3297 3298 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3299 3300 bcopy(key1_data->key1, authinfo->keychal, 3301 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3302 break; 3303 } 3304 case DVD_REPORT_TITLE_KEY: { 3305 struct scsi_report_key_data_title *title_data; 3306 3307 title_data = (struct scsi_report_key_data_title *)databuf; 3308 3309 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3310 RKD_TITLE_CPM_SHIFT; 3311 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3312 RKD_TITLE_CP_SEC_SHIFT; 3313 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3314 RKD_TITLE_CMGS_SHIFT; 3315 bcopy(title_data->title_key, authinfo->keychal, 3316 min(sizeof(title_data->title_key), 3317 sizeof(authinfo->keychal))); 3318 break; 3319 } 3320 case DVD_REPORT_ASF: { 3321 struct scsi_report_key_data_asf *asf_data; 3322 3323 asf_data = (struct scsi_report_key_data_asf *)databuf; 3324 3325 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3326 break; 3327 } 3328 case DVD_REPORT_RPC: { 3329 struct scsi_report_key_data_rpc *rpc_data; 3330 3331 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3332 3333 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3334 RKD_RPC_TYPE_SHIFT; 3335 authinfo->vend_rsts = 3336 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3337 RKD_RPC_VENDOR_RESET_SHIFT; 3338 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3339 authinfo->region = rpc_data->region_mask; 3340 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3341 break; 3342 } 3343 case DVD_INVALIDATE_AGID: 3344 break; 3345 default: 3346 /* This should be impossible, since we checked above */ 3347 error = EINVAL; 3348 goto bailout; 3349 break; /* NOTREACHED */ 3350 } 3351 3352 bailout: 3353 xpt_release_ccb(ccb); 3354 cam_periph_unlock(periph); 3355 3356 if (databuf != NULL) 3357 free(databuf, M_DEVBUF); 3358 3359 return(error); 3360 } 3361 3362 static int 3363 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3364 { 3365 union ccb *ccb; 3366 u_int8_t *databuf; 3367 int length; 3368 int error; 3369 3370 error = 0; 3371 databuf = NULL; 3372 3373 switch(authinfo->format) { 3374 case DVD_SEND_CHALLENGE: { 3375 struct scsi_report_key_data_challenge *challenge_data; 3376 3377 length = sizeof(*challenge_data); 3378 3379 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3380 3381 databuf = (u_int8_t *)challenge_data; 3382 3383 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3384 challenge_data->data_len); 3385 3386 bcopy(authinfo->keychal, challenge_data->challenge_key, 3387 min(sizeof(authinfo->keychal), 3388 sizeof(challenge_data->challenge_key))); 3389 break; 3390 } 3391 case DVD_SEND_KEY2: { 3392 struct scsi_report_key_data_key1_key2 *key2_data; 3393 3394 length = sizeof(*key2_data); 3395 3396 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3397 3398 databuf = (u_int8_t *)key2_data; 3399 3400 scsi_ulto2b(length - sizeof(key2_data->data_len), 3401 key2_data->data_len); 3402 3403 bcopy(authinfo->keychal, key2_data->key1, 3404 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3405 3406 break; 3407 } 3408 case DVD_SEND_RPC: { 3409 struct scsi_send_key_data_rpc *rpc_data; 3410 3411 length = sizeof(*rpc_data); 3412 3413 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3414 3415 databuf = (u_int8_t *)rpc_data; 3416 3417 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3418 rpc_data->data_len); 3419 3420 rpc_data->region_code = authinfo->region; 3421 break; 3422 } 3423 default: 3424 return (EINVAL); 3425 } 3426 3427 cam_periph_lock(periph); 3428 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3429 3430 scsi_send_key(&ccb->csio, 3431 /* retries */ cd_retry_count, 3432 /* cbfcnp */ cddone, 3433 /* tag_action */ MSG_SIMPLE_Q_TAG, 3434 /* agid */ authinfo->agid, 3435 /* key_format */ authinfo->format, 3436 /* data_ptr */ databuf, 3437 /* dxfer_len */ length, 3438 /* sense_len */ SSD_FULL_SIZE, 3439 /* timeout */ 50000); 3440 3441 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3442 /*sense_flags*/SF_RETRY_UA); 3443 3444 xpt_release_ccb(ccb); 3445 cam_periph_unlock(periph); 3446 3447 if (databuf != NULL) 3448 free(databuf, M_DEVBUF); 3449 3450 return(error); 3451 } 3452 3453 static int 3454 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3455 { 3456 union ccb *ccb; 3457 u_int8_t *databuf; 3458 u_int32_t address; 3459 int error; 3460 int length; 3461 3462 error = 0; 3463 databuf = NULL; 3464 /* The address is reserved for many of the formats */ 3465 address = 0; 3466 3467 switch(dvdstruct->format) { 3468 case DVD_STRUCT_PHYSICAL: 3469 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3470 break; 3471 case DVD_STRUCT_COPYRIGHT: 3472 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3473 break; 3474 case DVD_STRUCT_DISCKEY: 3475 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3476 break; 3477 case DVD_STRUCT_BCA: 3478 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3479 break; 3480 case DVD_STRUCT_MANUFACT: 3481 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3482 break; 3483 case DVD_STRUCT_CMI: 3484 return (ENODEV); 3485 case DVD_STRUCT_PROTDISCID: 3486 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3487 break; 3488 case DVD_STRUCT_DISCKEYBLOCK: 3489 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3490 break; 3491 case DVD_STRUCT_DDS: 3492 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3493 break; 3494 case DVD_STRUCT_MEDIUM_STAT: 3495 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3496 break; 3497 case DVD_STRUCT_SPARE_AREA: 3498 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3499 break; 3500 case DVD_STRUCT_RMD_LAST: 3501 return (ENODEV); 3502 case DVD_STRUCT_RMD_RMA: 3503 return (ENODEV); 3504 case DVD_STRUCT_PRERECORDED: 3505 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3506 break; 3507 case DVD_STRUCT_UNIQUEID: 3508 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3509 break; 3510 case DVD_STRUCT_DCB: 3511 return (ENODEV); 3512 case DVD_STRUCT_LIST: 3513 /* 3514 * This is the maximum allocation length for the READ DVD 3515 * STRUCTURE command. There's nothing in the MMC3 spec 3516 * that indicates a limit in the amount of data that can 3517 * be returned from this call, other than the limits 3518 * imposed by the 2-byte length variables. 3519 */ 3520 length = 65535; 3521 break; 3522 default: 3523 return (EINVAL); 3524 } 3525 3526 if (length != 0) { 3527 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3528 } else 3529 databuf = NULL; 3530 3531 cam_periph_lock(periph); 3532 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3533 3534 scsi_read_dvd_structure(&ccb->csio, 3535 /* retries */ cd_retry_count, 3536 /* cbfcnp */ cddone, 3537 /* tag_action */ MSG_SIMPLE_Q_TAG, 3538 /* lba */ address, 3539 /* layer_number */ dvdstruct->layer_num, 3540 /* key_format */ dvdstruct->format, 3541 /* agid */ dvdstruct->agid, 3542 /* data_ptr */ databuf, 3543 /* dxfer_len */ length, 3544 /* sense_len */ SSD_FULL_SIZE, 3545 /* timeout */ 50000); 3546 3547 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3548 /*sense_flags*/SF_RETRY_UA); 3549 3550 if (error != 0) 3551 goto bailout; 3552 3553 switch(dvdstruct->format) { 3554 case DVD_STRUCT_PHYSICAL: { 3555 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3556 struct dvd_layer *outlayer; 3557 struct scsi_read_dvd_struct_data_physical *phys_data; 3558 3559 phys_data = 3560 (struct scsi_read_dvd_struct_data_physical *)databuf; 3561 inlayer = &phys_data->layer_desc; 3562 outlayer = (struct dvd_layer *)&dvdstruct->data; 3563 3564 dvdstruct->length = sizeof(*inlayer); 3565 3566 outlayer->book_type = (inlayer->book_type_version & 3567 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3568 outlayer->book_version = (inlayer->book_type_version & 3569 RDSD_BOOK_VERSION_MASK); 3570 outlayer->disc_size = (inlayer->disc_size_max_rate & 3571 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3572 outlayer->max_rate = (inlayer->disc_size_max_rate & 3573 RDSD_MAX_RATE_MASK); 3574 outlayer->nlayers = (inlayer->layer_info & 3575 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3576 outlayer->track_path = (inlayer->layer_info & 3577 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3578 outlayer->layer_type = (inlayer->layer_info & 3579 RDSD_LAYER_TYPE_MASK); 3580 outlayer->linear_density = (inlayer->density & 3581 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3582 outlayer->track_density = (inlayer->density & 3583 RDSD_TRACK_DENSITY_MASK); 3584 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3585 RDSD_BCA_SHIFT; 3586 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3587 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3588 outlayer->end_sector_l0 = 3589 scsi_3btoul(inlayer->end_sector_layer0); 3590 break; 3591 } 3592 case DVD_STRUCT_COPYRIGHT: { 3593 struct scsi_read_dvd_struct_data_copyright *copy_data; 3594 3595 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3596 databuf; 3597 3598 dvdstruct->cpst = copy_data->cps_type; 3599 dvdstruct->rmi = copy_data->region_info; 3600 dvdstruct->length = 0; 3601 3602 break; 3603 } 3604 default: 3605 /* 3606 * Tell the user what the overall length is, no matter 3607 * what we can actually fit in the data buffer. 3608 */ 3609 dvdstruct->length = length - ccb->csio.resid - 3610 sizeof(struct scsi_read_dvd_struct_data_header); 3611 3612 /* 3613 * But only actually copy out the smaller of what we read 3614 * in or what the structure can take. 3615 */ 3616 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3617 dvdstruct->data, 3618 min(sizeof(dvdstruct->data), dvdstruct->length)); 3619 break; 3620 } 3621 3622 bailout: 3623 xpt_release_ccb(ccb); 3624 cam_periph_unlock(periph); 3625 3626 if (databuf != NULL) 3627 free(databuf, M_DEVBUF); 3628 3629 return(error); 3630 } 3631 3632 void 3633 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3634 void (*cbfcnp)(struct cam_periph *, union ccb *), 3635 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3636 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3637 u_int8_t sense_len, u_int32_t timeout) 3638 { 3639 struct scsi_report_key *scsi_cmd; 3640 3641 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3642 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3643 scsi_cmd->opcode = REPORT_KEY; 3644 scsi_ulto4b(lba, scsi_cmd->lba); 3645 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3646 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3647 (key_format & RK_KF_KEYFORMAT_MASK); 3648 3649 cam_fill_csio(csio, 3650 retries, 3651 cbfcnp, 3652 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3653 tag_action, 3654 /*data_ptr*/ data_ptr, 3655 /*dxfer_len*/ dxfer_len, 3656 sense_len, 3657 sizeof(*scsi_cmd), 3658 timeout); 3659 } 3660 3661 void 3662 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3663 void (*cbfcnp)(struct cam_periph *, union ccb *), 3664 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3665 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3666 u_int32_t timeout) 3667 { 3668 struct scsi_send_key *scsi_cmd; 3669 3670 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3671 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3672 scsi_cmd->opcode = SEND_KEY; 3673 3674 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3675 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3676 (key_format & RK_KF_KEYFORMAT_MASK); 3677 3678 cam_fill_csio(csio, 3679 retries, 3680 cbfcnp, 3681 /*flags*/ CAM_DIR_OUT, 3682 tag_action, 3683 /*data_ptr*/ data_ptr, 3684 /*dxfer_len*/ dxfer_len, 3685 sense_len, 3686 sizeof(*scsi_cmd), 3687 timeout); 3688 } 3689 3690 3691 void 3692 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3693 void (*cbfcnp)(struct cam_periph *, union ccb *), 3694 u_int8_t tag_action, u_int32_t address, 3695 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3696 u_int8_t *data_ptr, u_int32_t dxfer_len, 3697 u_int8_t sense_len, u_int32_t timeout) 3698 { 3699 struct scsi_read_dvd_structure *scsi_cmd; 3700 3701 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3702 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3703 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3704 3705 scsi_ulto4b(address, scsi_cmd->address); 3706 scsi_cmd->layer_number = layer_number; 3707 scsi_cmd->format = format; 3708 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3709 /* The AGID is the top two bits of this byte */ 3710 scsi_cmd->agid = agid << 6; 3711 3712 cam_fill_csio(csio, 3713 retries, 3714 cbfcnp, 3715 /*flags*/ CAM_DIR_IN, 3716 tag_action, 3717 /*data_ptr*/ data_ptr, 3718 /*dxfer_len*/ dxfer_len, 3719 sense_len, 3720 sizeof(*scsi_cmd), 3721 timeout); 3722 }
Cache object: 1562f0db99b0374206af3d360c6bc4f3
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]