Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_cd.c
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1 /*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD: releng/10.1/sys/cam/scsi/scsi_cd.c 264541 2014-04-16 15:27:14Z 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_quirks; 92 93 #define CD_Q_BIT_STRING \ 94 "\020" \ 95 "\001NO_TOUCH" \ 96 "\002BCD_TRACKS" \ 97 "\00510_BYTE_ONLY" 98 99 typedef enum { 100 CD_FLAG_INVALID = 0x0001, 101 CD_FLAG_NEW_DISC = 0x0002, 102 CD_FLAG_DISC_LOCKED = 0x0004, 103 CD_FLAG_DISC_REMOVABLE = 0x0008, 104 CD_FLAG_SAW_MEDIA = 0x0010, 105 CD_FLAG_ACTIVE = 0x0080, 106 CD_FLAG_SCHED_ON_COMP = 0x0100, 107 CD_FLAG_RETRY_UA = 0x0200, 108 CD_FLAG_VALID_MEDIA = 0x0400, 109 CD_FLAG_VALID_TOC = 0x0800, 110 CD_FLAG_SCTX_INIT = 0x1000 111 } cd_flags; 112 113 typedef enum { 114 CD_CCB_PROBE = 0x01, 115 CD_CCB_BUFFER_IO = 0x02, 116 CD_CCB_TUR = 0x04, 117 CD_CCB_TYPE_MASK = 0x0F, 118 CD_CCB_RETRY_UA = 0x10 119 } cd_ccb_state; 120 121 #define ccb_state ppriv_field0 122 #define ccb_bp ppriv_ptr1 123 124 struct cd_tocdata { 125 struct ioc_toc_header header; 126 struct cd_toc_entry entries[100]; 127 }; 128 129 struct cd_toc_single { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entry; 132 }; 133 134 typedef enum { 135 CD_STATE_PROBE, 136 CD_STATE_NORMAL 137 } cd_state; 138 139 struct cd_softc { 140 cam_pinfo pinfo; 141 cd_state state; 142 volatile cd_flags flags; 143 struct bio_queue_head bio_queue; 144 LIST_HEAD(, ccb_hdr) pending_ccbs; 145 struct cd_params params; 146 union ccb saved_ccb; 147 cd_quirks quirks; 148 struct cam_periph *periph; 149 int minimum_command_size; 150 int outstanding_cmds; 151 int tur; 152 struct task sysctl_task; 153 struct sysctl_ctx_list sysctl_ctx; 154 struct sysctl_oid *sysctl_tree; 155 STAILQ_HEAD(, cd_mode_params) mode_queue; 156 struct cd_tocdata toc; 157 struct disk *disk; 158 struct callout mediapoll_c; 159 }; 160 161 struct cd_page_sizes { 162 int page; 163 int page_size; 164 }; 165 166 static struct cd_page_sizes cd_page_size_table[] = 167 { 168 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 169 }; 170 171 struct cd_quirk_entry { 172 struct scsi_inquiry_pattern inq_pat; 173 cd_quirks quirks; 174 }; 175 176 /* 177 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 178 * your device hangs when it gets a 10 byte command. Adding a quirk just 179 * to get rid of the informative diagnostic message is not acceptable. All 180 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 181 * referenced in a comment along with the quirk) , and must be approved by 182 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 183 * be removed until the submitter can explain why they are needed. 184 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 185 * when the CAM_NEW_TRAN_CODE work is done. 186 */ 187 static struct cd_quirk_entry cd_quirk_table[] = 188 { 189 { 190 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 191 /* quirks */ CD_Q_BCD_TRACKS 192 } 193 }; 194 195 static disk_open_t cdopen; 196 static disk_close_t cdclose; 197 static disk_ioctl_t cdioctl; 198 static disk_strategy_t cdstrategy; 199 200 static periph_init_t cdinit; 201 static periph_ctor_t cdregister; 202 static periph_dtor_t cdcleanup; 203 static periph_start_t cdstart; 204 static periph_oninv_t cdoninvalidate; 205 static void cdasync(void *callback_arg, u_int32_t code, 206 struct cam_path *path, void *arg); 207 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 208 static int cdrunccb(union ccb *ccb, 209 int (*error_routine)(union ccb *ccb, 210 u_int32_t cam_flags, 211 u_int32_t sense_flags), 212 u_int32_t cam_flags, u_int32_t sense_flags); 213 static void cddone(struct cam_periph *periph, 214 union ccb *start_ccb); 215 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 216 static int cdgetpagesize(int page_num); 217 static void cdprevent(struct cam_periph *periph, int action); 218 static int cdcheckmedia(struct cam_periph *periph); 219 static int cdsize(struct cam_periph *periph, u_int32_t *size); 220 static int cd6byteworkaround(union ccb *ccb); 221 static int cderror(union ccb *ccb, u_int32_t cam_flags, 222 u_int32_t sense_flags); 223 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 224 u_int32_t start, u_int8_t *data, 225 u_int32_t len, u_int32_t sense_flags); 226 static int cdgetmode(struct cam_periph *periph, 227 struct cd_mode_params *data, u_int32_t page); 228 static int cdsetmode(struct cam_periph *periph, 229 struct cd_mode_params *data); 230 static int cdplay(struct cam_periph *periph, u_int32_t blk, 231 u_int32_t len); 232 static int cdreadsubchannel(struct cam_periph *periph, 233 u_int32_t mode, u_int32_t format, 234 int track, 235 struct cd_sub_channel_info *data, 236 u_int32_t len); 237 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 238 u_int32_t starts, u_int32_t startf, 239 u_int32_t endm, u_int32_t ends, 240 u_int32_t endf); 241 static int cdplaytracks(struct cam_periph *periph, 242 u_int32_t strack, u_int32_t sindex, 243 u_int32_t etrack, u_int32_t eindex); 244 static int cdpause(struct cam_periph *periph, u_int32_t go); 245 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 246 static int cdstartunit(struct cam_periph *periph, int load); 247 static int cdsetspeed(struct cam_periph *periph, 248 u_int32_t rdspeed, u_int32_t wrspeed); 249 static int cdreportkey(struct cam_periph *periph, 250 struct dvd_authinfo *authinfo); 251 static int cdsendkey(struct cam_periph *periph, 252 struct dvd_authinfo *authinfo); 253 static int cdreaddvdstructure(struct cam_periph *periph, 254 struct dvd_struct *dvdstruct); 255 static timeout_t cdmediapoll; 256 257 static struct periph_driver cddriver = 258 { 259 cdinit, "cd", 260 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 261 }; 262 263 PERIPHDRIVER_DECLARE(cd, cddriver); 264 265 #ifndef CD_DEFAULT_POLL_PERIOD 266 #define CD_DEFAULT_POLL_PERIOD 3 267 #endif 268 #ifndef CD_DEFAULT_RETRY 269 #define CD_DEFAULT_RETRY 4 270 #endif 271 #ifndef CD_DEFAULT_TIMEOUT 272 #define CD_DEFAULT_TIMEOUT 30000 273 #endif 274 275 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; 276 static int cd_retry_count = CD_DEFAULT_RETRY; 277 static int cd_timeout = CD_DEFAULT_TIMEOUT; 278 279 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 280 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RW, 281 &cd_poll_period, 0, "Media polling period in seconds"); 282 TUNABLE_INT("kern.cam.cd.poll_period", &cd_poll_period); 283 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, 284 &cd_retry_count, 0, "Normal I/O retry count"); 285 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); 286 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RW, 287 &cd_timeout, 0, "Timeout, in us, for read operations"); 288 TUNABLE_INT("kern.cam.cd.timeout", &cd_timeout); 289 290 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 291 292 static void 293 cdinit(void) 294 { 295 cam_status status; 296 297 /* 298 * Install a global async callback. This callback will 299 * receive async callbacks like "new device found". 300 */ 301 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 302 303 if (status != CAM_REQ_CMP) { 304 printf("cd: Failed to attach master async callback " 305 "due to status 0x%x!\n", status); 306 } 307 } 308 309 /* 310 * Callback from GEOM, called when it has finished cleaning up its 311 * resources. 312 */ 313 static void 314 cddiskgonecb(struct disk *dp) 315 { 316 struct cam_periph *periph; 317 318 periph = (struct cam_periph *)dp->d_drv1; 319 cam_periph_release(periph); 320 } 321 322 static void 323 cdoninvalidate(struct cam_periph *periph) 324 { 325 struct cd_softc *softc; 326 327 softc = (struct cd_softc *)periph->softc; 328 329 /* 330 * De-register any async callbacks. 331 */ 332 xpt_register_async(0, cdasync, periph, periph->path); 333 334 softc->flags |= CD_FLAG_INVALID; 335 336 /* 337 * Return all queued I/O with ENXIO. 338 * XXX Handle any transactions queued to the card 339 * with XPT_ABORT_CCB. 340 */ 341 bioq_flush(&softc->bio_queue, NULL, ENXIO); 342 343 disk_gone(softc->disk); 344 } 345 346 static void 347 cdcleanup(struct cam_periph *periph) 348 { 349 struct cd_softc *softc; 350 351 softc = (struct cd_softc *)periph->softc; 352 353 cam_periph_unlock(periph); 354 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 355 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 356 xpt_print(periph->path, "can't remove sysctl context\n"); 357 } 358 359 callout_drain(&softc->mediapoll_c); 360 disk_destroy(softc->disk); 361 free(softc, M_DEVBUF); 362 cam_periph_lock(periph); 363 } 364 365 static void 366 cdasync(void *callback_arg, u_int32_t code, 367 struct cam_path *path, void *arg) 368 { 369 struct cam_periph *periph; 370 struct cd_softc *softc; 371 372 periph = (struct cam_periph *)callback_arg; 373 switch (code) { 374 case AC_FOUND_DEVICE: 375 { 376 struct ccb_getdev *cgd; 377 cam_status status; 378 379 cgd = (struct ccb_getdev *)arg; 380 if (cgd == NULL) 381 break; 382 383 if (cgd->protocol != PROTO_SCSI) 384 break; 385 386 if (SID_TYPE(&cgd->inq_data) != T_CDROM 387 && SID_TYPE(&cgd->inq_data) != T_WORM) 388 break; 389 390 /* 391 * Allocate a peripheral instance for 392 * this device and start the probe 393 * process. 394 */ 395 status = cam_periph_alloc(cdregister, cdoninvalidate, 396 cdcleanup, cdstart, 397 "cd", CAM_PERIPH_BIO, 398 path, cdasync, 399 AC_FOUND_DEVICE, cgd); 400 401 if (status != CAM_REQ_CMP 402 && status != CAM_REQ_INPROG) 403 printf("cdasync: Unable to attach new device " 404 "due to status 0x%x\n", status); 405 406 break; 407 } 408 case AC_UNIT_ATTENTION: 409 { 410 union ccb *ccb; 411 int error_code, sense_key, asc, ascq; 412 413 softc = (struct cd_softc *)periph->softc; 414 ccb = (union ccb *)arg; 415 416 /* 417 * Handle all media change UNIT ATTENTIONs except 418 * our own, as they will be handled by cderror(). 419 */ 420 if (xpt_path_periph(ccb->ccb_h.path) != periph && 421 scsi_extract_sense_ccb(ccb, 422 &error_code, &sense_key, &asc, &ascq)) { 423 if (asc == 0x28 && ascq == 0x00) 424 disk_media_changed(softc->disk, M_NOWAIT); 425 } 426 cam_periph_async(periph, code, path, arg); 427 break; 428 } 429 case AC_SCSI_AEN: 430 softc = (struct cd_softc *)periph->softc; 431 if (softc->state == CD_STATE_NORMAL && !softc->tur) { 432 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 433 softc->tur = 1; 434 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 435 } 436 } 437 /* FALLTHROUGH */ 438 case AC_SENT_BDR: 439 case AC_BUS_RESET: 440 { 441 struct ccb_hdr *ccbh; 442 443 softc = (struct cd_softc *)periph->softc; 444 /* 445 * Don't fail on the expected unit attention 446 * that will occur. 447 */ 448 softc->flags |= CD_FLAG_RETRY_UA; 449 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 450 ccbh->ccb_state |= CD_CCB_RETRY_UA; 451 /* FALLTHROUGH */ 452 } 453 default: 454 cam_periph_async(periph, code, path, arg); 455 break; 456 } 457 } 458 459 static void 460 cdsysctlinit(void *context, int pending) 461 { 462 struct cam_periph *periph; 463 struct cd_softc *softc; 464 char tmpstr[80], tmpstr2[80]; 465 466 periph = (struct cam_periph *)context; 467 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 468 return; 469 470 softc = (struct cd_softc *)periph->softc; 471 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 472 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 473 474 sysctl_ctx_init(&softc->sysctl_ctx); 475 softc->flags |= CD_FLAG_SCTX_INIT; 476 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 477 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 478 tmpstr2, CTLFLAG_RD, 0, tmpstr); 479 480 if (softc->sysctl_tree == NULL) { 481 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 482 cam_periph_release(periph); 483 return; 484 } 485 486 /* 487 * Now register the sysctl handler, so the user can the value on 488 * the fly. 489 */ 490 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 491 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 492 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 493 "Minimum CDB size"); 494 495 cam_periph_release(periph); 496 } 497 498 /* 499 * We have a handler function for this so we can check the values when the 500 * user sets them, instead of every time we look at them. 501 */ 502 static int 503 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 504 { 505 int error, value; 506 507 value = *(int *)arg1; 508 509 error = sysctl_handle_int(oidp, &value, 0, req); 510 511 if ((error != 0) 512 || (req->newptr == NULL)) 513 return (error); 514 515 /* 516 * The only real values we can have here are 6 or 10. I don't 517 * really forsee having 12 be an option at any time in the future. 518 * So if the user sets something less than or equal to 6, we'll set 519 * it to 6. If he sets something greater than 6, we'll set it to 10. 520 * 521 * I suppose we could just return an error here for the wrong values, 522 * but I don't think it's necessary to do so, as long as we can 523 * determine the user's intent without too much trouble. 524 */ 525 if (value < 6) 526 value = 6; 527 else if (value > 6) 528 value = 10; 529 530 *(int *)arg1 = value; 531 532 return (0); 533 } 534 535 static cam_status 536 cdregister(struct cam_periph *periph, void *arg) 537 { 538 struct cd_softc *softc; 539 struct ccb_pathinq cpi; 540 struct ccb_getdev *cgd; 541 char tmpstr[80]; 542 caddr_t match; 543 544 cgd = (struct ccb_getdev *)arg; 545 if (cgd == NULL) { 546 printf("cdregister: no getdev CCB, can't register device\n"); 547 return(CAM_REQ_CMP_ERR); 548 } 549 550 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 551 M_NOWAIT | M_ZERO); 552 if (softc == NULL) { 553 printf("cdregister: Unable to probe new device. " 554 "Unable to allocate softc\n"); 555 return(CAM_REQ_CMP_ERR); 556 } 557 558 LIST_INIT(&softc->pending_ccbs); 559 STAILQ_INIT(&softc->mode_queue); 560 softc->state = CD_STATE_PROBE; 561 bioq_init(&softc->bio_queue); 562 if (SID_IS_REMOVABLE(&cgd->inq_data)) 563 softc->flags |= CD_FLAG_DISC_REMOVABLE; 564 565 periph->softc = softc; 566 softc->periph = periph; 567 568 /* 569 * See if this device has any quirks. 570 */ 571 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 572 (caddr_t)cd_quirk_table, 573 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 574 sizeof(*cd_quirk_table), scsi_inquiry_match); 575 576 if (match != NULL) 577 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 578 else 579 softc->quirks = CD_Q_NONE; 580 581 /* Check if the SIM does not want 6 byte commands */ 582 bzero(&cpi, sizeof(cpi)); 583 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 584 cpi.ccb_h.func_code = XPT_PATH_INQ; 585 xpt_action((union ccb *)&cpi); 586 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 587 softc->quirks |= CD_Q_10_BYTE_ONLY; 588 589 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 590 591 /* The default is 6 byte commands, unless quirked otherwise */ 592 if (softc->quirks & CD_Q_10_BYTE_ONLY) 593 softc->minimum_command_size = 10; 594 else 595 softc->minimum_command_size = 6; 596 597 /* 598 * Refcount and block open attempts until we are setup 599 * Can't block 600 */ 601 (void)cam_periph_hold(periph, PRIBIO); 602 cam_periph_unlock(periph); 603 /* 604 * Load the user's default, if any. 605 */ 606 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 607 periph->unit_number); 608 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 609 610 /* 6 and 10 are the only permissible values here. */ 611 if (softc->minimum_command_size < 6) 612 softc->minimum_command_size = 6; 613 else if (softc->minimum_command_size > 6) 614 softc->minimum_command_size = 10; 615 616 /* 617 * We need to register the statistics structure for this device, 618 * but we don't have the blocksize yet for it. So, we register 619 * the structure and indicate that we don't have the blocksize 620 * yet. Unlike other SCSI peripheral drivers, we explicitly set 621 * the device type here to be CDROM, rather than just ORing in 622 * the device type. This is because this driver can attach to either 623 * CDROM or WORM devices, and we want this peripheral driver to 624 * show up in the devstat list as a CD peripheral driver, not a 625 * WORM peripheral driver. WORM drives will also have the WORM 626 * driver attached to them. 627 */ 628 softc->disk = disk_alloc(); 629 softc->disk->d_devstat = devstat_new_entry("cd", 630 periph->unit_number, 0, 631 DEVSTAT_BS_UNAVAILABLE, 632 DEVSTAT_TYPE_CDROM | 633 XPORT_DEVSTAT_TYPE(cpi.transport), 634 DEVSTAT_PRIORITY_CD); 635 softc->disk->d_open = cdopen; 636 softc->disk->d_close = cdclose; 637 softc->disk->d_strategy = cdstrategy; 638 softc->disk->d_gone = cddiskgonecb; 639 softc->disk->d_ioctl = cdioctl; 640 softc->disk->d_name = "cd"; 641 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 642 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 643 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 644 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 645 cgd->inq_data.product, sizeof(cgd->inq_data.product), 646 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 647 softc->disk->d_unit = periph->unit_number; 648 softc->disk->d_drv1 = periph; 649 if (cpi.maxio == 0) 650 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 651 else if (cpi.maxio > MAXPHYS) 652 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 653 else 654 softc->disk->d_maxsize = cpi.maxio; 655 softc->disk->d_flags = 0; 656 softc->disk->d_hba_vendor = cpi.hba_vendor; 657 softc->disk->d_hba_device = cpi.hba_device; 658 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 659 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 660 661 /* 662 * Acquire a reference to the periph before we register with GEOM. 663 * We'll release this reference once GEOM calls us back (via 664 * dadiskgonecb()) telling us that our provider has been freed. 665 */ 666 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 667 xpt_print(periph->path, "%s: lost periph during " 668 "registration!\n", __func__); 669 cam_periph_lock(periph); 670 return (CAM_REQ_CMP_ERR); 671 } 672 673 disk_create(softc->disk, DISK_VERSION); 674 cam_periph_lock(periph); 675 676 /* 677 * Add an async callback so that we get 678 * notified if this device goes away. 679 */ 680 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 681 AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); 682 683 /* 684 * Schedule a periodic media polling events. 685 */ 686 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 687 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && 688 (cgd->inq_flags & SID_AEN) == 0 && 689 cd_poll_period != 0) 690 callout_reset(&softc->mediapoll_c, cd_poll_period * hz, 691 cdmediapoll, periph); 692 693 xpt_schedule(periph, CAM_PRIORITY_DEV); 694 return(CAM_REQ_CMP); 695 } 696 697 static int 698 cdopen(struct disk *dp) 699 { 700 struct cam_periph *periph; 701 struct cd_softc *softc; 702 int error; 703 704 periph = (struct cam_periph *)dp->d_drv1; 705 softc = (struct cd_softc *)periph->softc; 706 707 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 708 return(ENXIO); 709 710 cam_periph_lock(periph); 711 712 if (softc->flags & CD_FLAG_INVALID) { 713 cam_periph_release_locked(periph); 714 cam_periph_unlock(periph); 715 return(ENXIO); 716 } 717 718 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 719 cam_periph_release_locked(periph); 720 cam_periph_unlock(periph); 721 return (error); 722 } 723 724 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 725 ("cdopen\n")); 726 727 /* 728 * Check for media, and set the appropriate flags. We don't bail 729 * if we don't have media, but then we don't allow anything but the 730 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 731 */ 732 cdcheckmedia(periph); 733 734 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 735 cam_periph_unhold(periph); 736 737 cam_periph_unlock(periph); 738 739 return (0); 740 } 741 742 static int 743 cdclose(struct disk *dp) 744 { 745 struct cam_periph *periph; 746 struct cd_softc *softc; 747 748 periph = (struct cam_periph *)dp->d_drv1; 749 softc = (struct cd_softc *)periph->softc; 750 751 cam_periph_lock(periph); 752 if (cam_periph_hold(periph, PRIBIO) != 0) { 753 cam_periph_unlock(periph); 754 cam_periph_release(periph); 755 return (0); 756 } 757 758 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 759 ("cdclose\n")); 760 761 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 762 cdprevent(periph, PR_ALLOW); 763 764 /* 765 * Since we're closing this CD, mark the blocksize as unavailable. 766 * It will be marked as available when the CD is opened again. 767 */ 768 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 769 770 /* 771 * We'll check the media and toc again at the next open(). 772 */ 773 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 774 775 cam_periph_unhold(periph); 776 cam_periph_release_locked(periph); 777 cam_periph_unlock(periph); 778 779 return (0); 780 } 781 782 static int 783 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 784 u_int32_t cam_flags, 785 u_int32_t sense_flags), 786 u_int32_t cam_flags, u_int32_t sense_flags) 787 { 788 struct cd_softc *softc; 789 struct cam_periph *periph; 790 int error; 791 792 periph = xpt_path_periph(ccb->ccb_h.path); 793 softc = (struct cd_softc *)periph->softc; 794 795 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 796 softc->disk->d_devstat); 797 798 return(error); 799 } 800 801 /* 802 * Actually translate the requested transfer into one the physical driver 803 * can understand. The transfer is described by a buf and will include 804 * only one physical transfer. 805 */ 806 static void 807 cdstrategy(struct bio *bp) 808 { 809 struct cam_periph *periph; 810 struct cd_softc *softc; 811 812 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 813 cam_periph_lock(periph); 814 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 815 ("cdstrategy(%p)\n", bp)); 816 817 softc = (struct cd_softc *)periph->softc; 818 819 /* 820 * If the device has been made invalid, error out 821 */ 822 if ((softc->flags & CD_FLAG_INVALID)) { 823 cam_periph_unlock(periph); 824 biofinish(bp, NULL, ENXIO); 825 return; 826 } 827 828 /* 829 * If we don't have valid media, look for it before trying to 830 * schedule the I/O. 831 */ 832 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 833 int error; 834 835 error = cdcheckmedia(periph); 836 if (error != 0) { 837 cam_periph_unlock(periph); 838 biofinish(bp, NULL, error); 839 return; 840 } 841 } 842 843 /* 844 * Place it in the queue of disk activities for this disk 845 */ 846 bioq_disksort(&softc->bio_queue, bp); 847 848 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 849 850 cam_periph_unlock(periph); 851 return; 852 } 853 854 static void 855 cdstart(struct cam_periph *periph, union ccb *start_ccb) 856 { 857 struct cd_softc *softc; 858 struct bio *bp; 859 struct ccb_scsiio *csio; 860 struct scsi_read_capacity_data *rcap; 861 862 softc = (struct cd_softc *)periph->softc; 863 864 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 865 866 switch (softc->state) { 867 case CD_STATE_NORMAL: 868 { 869 bp = bioq_first(&softc->bio_queue); 870 if (bp == NULL) { 871 if (softc->tur) { 872 softc->tur = 0; 873 csio = &start_ccb->csio; 874 scsi_test_unit_ready(csio, 875 /*retries*/ cd_retry_count, 876 cddone, 877 MSG_SIMPLE_Q_TAG, 878 SSD_FULL_SIZE, 879 cd_timeout); 880 start_ccb->ccb_h.ccb_bp = NULL; 881 start_ccb->ccb_h.ccb_state = CD_CCB_TUR; 882 xpt_action(start_ccb); 883 } else 884 xpt_release_ccb(start_ccb); 885 } else { 886 if (softc->tur) { 887 softc->tur = 0; 888 cam_periph_release_locked(periph); 889 } 890 bioq_remove(&softc->bio_queue, bp); 891 892 scsi_read_write(&start_ccb->csio, 893 /*retries*/ cd_retry_count, 894 /* cbfcnp */ cddone, 895 MSG_SIMPLE_Q_TAG, 896 /* read */bp->bio_cmd == BIO_READ ? 897 SCSI_RW_READ : SCSI_RW_WRITE, 898 /* byte2 */ 0, 899 /* minimum_cmd_size */ 10, 900 /* lba */ bp->bio_offset / 901 softc->params.blksize, 902 bp->bio_bcount / softc->params.blksize, 903 /* data_ptr */ bp->bio_data, 904 /* dxfer_len */ bp->bio_bcount, 905 /* sense_len */ cd_retry_count ? 906 SSD_FULL_SIZE : SF_NO_PRINT, 907 /* timeout */ cd_timeout); 908 /* Use READ CD command for audio tracks. */ 909 if (softc->params.blksize == 2352) { 910 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 911 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 912 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 913 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 914 start_ccb->csio.cdb_len = 12; 915 } 916 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 917 918 919 LIST_INSERT_HEAD(&softc->pending_ccbs, 920 &start_ccb->ccb_h, periph_links.le); 921 softc->outstanding_cmds++; 922 923 /* We expect a unit attention from this device */ 924 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 925 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 926 softc->flags &= ~CD_FLAG_RETRY_UA; 927 } 928 929 start_ccb->ccb_h.ccb_bp = bp; 930 bp = bioq_first(&softc->bio_queue); 931 932 xpt_action(start_ccb); 933 } 934 if (bp != NULL || softc->tur) { 935 /* Have more work to do, so ensure we stay scheduled */ 936 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 937 } 938 break; 939 } 940 case CD_STATE_PROBE: 941 { 942 943 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 944 M_SCSICD, M_NOWAIT | M_ZERO); 945 if (rcap == NULL) { 946 xpt_print(periph->path, 947 "cdstart: Couldn't malloc read_capacity data\n"); 948 /* cd_free_periph??? */ 949 break; 950 } 951 csio = &start_ccb->csio; 952 scsi_read_capacity(csio, 953 /*retries*/ cd_retry_count, 954 cddone, 955 MSG_SIMPLE_Q_TAG, 956 rcap, 957 SSD_FULL_SIZE, 958 /*timeout*/20000); 959 start_ccb->ccb_h.ccb_bp = NULL; 960 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 961 xpt_action(start_ccb); 962 break; 963 } 964 } 965 } 966 967 static void 968 cddone(struct cam_periph *periph, union ccb *done_ccb) 969 { 970 struct cd_softc *softc; 971 struct ccb_scsiio *csio; 972 973 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 974 975 softc = (struct cd_softc *)periph->softc; 976 csio = &done_ccb->csio; 977 978 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 979 case CD_CCB_BUFFER_IO: 980 { 981 struct bio *bp; 982 int error; 983 984 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 985 error = 0; 986 987 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 988 int sf; 989 990 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 991 sf = SF_RETRY_UA; 992 else 993 sf = 0; 994 995 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 996 if (error == ERESTART) { 997 /* 998 * A retry was scheuled, so 999 * just return. 1000 */ 1001 return; 1002 } 1003 } 1004 1005 if (error != 0) { 1006 xpt_print(periph->path, 1007 "cddone: got error %#x back\n", error); 1008 bioq_flush(&softc->bio_queue, NULL, EIO); 1009 bp->bio_resid = bp->bio_bcount; 1010 bp->bio_error = error; 1011 bp->bio_flags |= BIO_ERROR; 1012 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1013 cam_release_devq(done_ccb->ccb_h.path, 1014 /*relsim_flags*/0, 1015 /*reduction*/0, 1016 /*timeout*/0, 1017 /*getcount_only*/0); 1018 1019 } else { 1020 bp->bio_resid = csio->resid; 1021 bp->bio_error = 0; 1022 if (bp->bio_resid != 0) { 1023 /* 1024 * Short transfer ??? 1025 * XXX: not sure this is correct for partial 1026 * transfers at EOM 1027 */ 1028 bp->bio_flags |= BIO_ERROR; 1029 } 1030 } 1031 1032 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1033 softc->outstanding_cmds--; 1034 1035 biofinish(bp, NULL, 0); 1036 break; 1037 } 1038 case CD_CCB_PROBE: 1039 { 1040 struct scsi_read_capacity_data *rdcap; 1041 char announce_buf[120]; /* 1042 * Currently (9/30/97) the 1043 * longest possible announce 1044 * buffer is 108 bytes, for the 1045 * first error case below. 1046 * That is 39 bytes for the 1047 * basic string, 16 bytes for the 1048 * biggest sense key (hardware 1049 * error), 52 bytes for the 1050 * text of the largest sense 1051 * qualifier valid for a CDROM, 1052 * (0x72, 0x03 or 0x04, 1053 * 0x03), and one byte for the 1054 * null terminating character. 1055 * To allow for longer strings, 1056 * the announce buffer is 120 1057 * bytes. 1058 */ 1059 struct cd_params *cdp; 1060 int error; 1061 1062 cdp = &softc->params; 1063 1064 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1065 1066 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1067 cdp->blksize = scsi_4btoul (rdcap->length); 1068 1069 /* 1070 * Retry any UNIT ATTENTION type errors. They 1071 * are expected at boot. 1072 */ 1073 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || 1074 (error = cderror(done_ccb, CAM_RETRY_SELTO, 1075 SF_RETRY_UA | SF_NO_PRINT)) == 0) { 1076 1077 snprintf(announce_buf, sizeof(announce_buf), 1078 "cd present [%lu x %lu byte records]", 1079 cdp->disksize, (u_long)cdp->blksize); 1080 1081 } else { 1082 if (error == ERESTART) { 1083 /* 1084 * A retry was scheuled, so 1085 * just return. 1086 */ 1087 return; 1088 } else { 1089 int asc, ascq; 1090 int sense_key, error_code; 1091 int have_sense; 1092 cam_status status; 1093 struct ccb_getdev cgd; 1094 1095 /* Don't wedge this device's queue */ 1096 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1097 cam_release_devq(done_ccb->ccb_h.path, 1098 /*relsim_flags*/0, 1099 /*reduction*/0, 1100 /*timeout*/0, 1101 /*getcount_only*/0); 1102 1103 status = done_ccb->ccb_h.status; 1104 1105 xpt_setup_ccb(&cgd.ccb_h, 1106 done_ccb->ccb_h.path, 1107 CAM_PRIORITY_NORMAL); 1108 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1109 xpt_action((union ccb *)&cgd); 1110 1111 if (scsi_extract_sense_ccb(done_ccb, 1112 &error_code, &sense_key, &asc, &ascq)) 1113 have_sense = TRUE; 1114 else 1115 have_sense = FALSE; 1116 1117 /* 1118 * Attach to anything that claims to be a 1119 * CDROM or WORM device, as long as it 1120 * doesn't return a "Logical unit not 1121 * supported" (0x25) error. 1122 */ 1123 if ((have_sense) && (asc != 0x25) 1124 && (error_code == SSD_CURRENT_ERROR)) { 1125 const char *sense_key_desc; 1126 const char *asc_desc; 1127 1128 scsi_sense_desc(sense_key, asc, ascq, 1129 &cgd.inq_data, 1130 &sense_key_desc, 1131 &asc_desc); 1132 snprintf(announce_buf, 1133 sizeof(announce_buf), 1134 "Attempt to query device " 1135 "size failed: %s, %s", 1136 sense_key_desc, 1137 asc_desc); 1138 } else if ((have_sense == 0) 1139 && ((status & CAM_STATUS_MASK) == 1140 CAM_SCSI_STATUS_ERROR) 1141 && (csio->scsi_status == 1142 SCSI_STATUS_BUSY)) { 1143 snprintf(announce_buf, 1144 sizeof(announce_buf), 1145 "Attempt to query device " 1146 "size failed: SCSI Status: %s", 1147 scsi_status_string(csio)); 1148 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1149 /* 1150 * We only print out an error for 1151 * CDROM type devices. For WORM 1152 * devices, we don't print out an 1153 * error since a few WORM devices 1154 * don't support CDROM commands. 1155 * If we have sense information, go 1156 * ahead and print it out. 1157 * Otherwise, just say that we 1158 * couldn't attach. 1159 */ 1160 1161 /* 1162 * Just print out the error, not 1163 * the full probe message, when we 1164 * don't attach. 1165 */ 1166 if (have_sense) 1167 scsi_sense_print( 1168 &done_ccb->csio); 1169 else { 1170 xpt_print(periph->path, 1171 "got CAM status %#x\n", 1172 done_ccb->ccb_h.status); 1173 } 1174 xpt_print(periph->path, "fatal error, " 1175 "failed to attach to device\n"); 1176 /* 1177 * Invalidate this peripheral. 1178 */ 1179 cam_periph_invalidate(periph); 1180 1181 announce_buf[0] = '\0'; 1182 } else { 1183 1184 /* 1185 * Invalidate this peripheral. 1186 */ 1187 cam_periph_invalidate(periph); 1188 announce_buf[0] = '\0'; 1189 } 1190 } 1191 } 1192 free(rdcap, M_SCSICD); 1193 if (announce_buf[0] != '\0') { 1194 xpt_announce_periph(periph, announce_buf); 1195 xpt_announce_quirks(periph, softc->quirks, 1196 CD_Q_BIT_STRING); 1197 /* 1198 * Create our sysctl variables, now that we know 1199 * we have successfully attached. 1200 */ 1201 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1202 } 1203 softc->state = CD_STATE_NORMAL; 1204 /* 1205 * Since our peripheral may be invalidated by an error 1206 * above or an external event, we must release our CCB 1207 * before releasing the probe lock on the peripheral. 1208 * The peripheral will only go away once the last lock 1209 * is removed, and we need it around for the CCB release 1210 * operation. 1211 */ 1212 xpt_release_ccb(done_ccb); 1213 cam_periph_unhold(periph); 1214 return; 1215 } 1216 case CD_CCB_TUR: 1217 { 1218 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1219 1220 if (cderror(done_ccb, CAM_RETRY_SELTO, 1221 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 1222 ERESTART) 1223 return; 1224 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1225 cam_release_devq(done_ccb->ccb_h.path, 1226 /*relsim_flags*/0, 1227 /*reduction*/0, 1228 /*timeout*/0, 1229 /*getcount_only*/0); 1230 } 1231 xpt_release_ccb(done_ccb); 1232 cam_periph_release_locked(periph); 1233 return; 1234 } 1235 default: 1236 break; 1237 } 1238 xpt_release_ccb(done_ccb); 1239 } 1240 1241 static union cd_pages * 1242 cdgetpage(struct cd_mode_params *mode_params) 1243 { 1244 union cd_pages *page; 1245 1246 if (mode_params->cdb_size == 10) 1247 page = (union cd_pages *)find_mode_page_10( 1248 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1249 else 1250 page = (union cd_pages *)find_mode_page_6( 1251 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1252 1253 return (page); 1254 } 1255 1256 static int 1257 cdgetpagesize(int page_num) 1258 { 1259 int i; 1260 1261 for (i = 0; i < (sizeof(cd_page_size_table)/ 1262 sizeof(cd_page_size_table[0])); i++) { 1263 if (cd_page_size_table[i].page == page_num) 1264 return (cd_page_size_table[i].page_size); 1265 } 1266 1267 return (-1); 1268 } 1269 1270 static int 1271 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1272 { 1273 1274 struct cam_periph *periph; 1275 struct cd_softc *softc; 1276 int nocopyout, error = 0; 1277 1278 periph = (struct cam_periph *)dp->d_drv1; 1279 cam_periph_lock(periph); 1280 1281 softc = (struct cd_softc *)periph->softc; 1282 1283 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1284 ("cdioctl(%#lx)\n", cmd)); 1285 1286 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1287 cam_periph_unlock(periph); 1288 cam_periph_release(periph); 1289 return (error); 1290 } 1291 1292 /* 1293 * If we don't have media loaded, check for it. If still don't 1294 * have media loaded, we can only do a load or eject. 1295 * 1296 * We only care whether media is loaded if this is a cd-specific ioctl 1297 * (thus the IOCGROUP check below). Note that this will break if 1298 * anyone adds any ioctls into the switch statement below that don't 1299 * have their ioctl group set to 'c'. 1300 */ 1301 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1302 && ((cmd != CDIOCCLOSE) 1303 && (cmd != CDIOCEJECT)) 1304 && (IOCGROUP(cmd) == 'c')) { 1305 error = cdcheckmedia(periph); 1306 if (error != 0) { 1307 cam_periph_unhold(periph); 1308 cam_periph_unlock(periph); 1309 return (error); 1310 } 1311 } 1312 /* 1313 * Drop the lock here so later mallocs can use WAITOK. The periph 1314 * is essentially locked still with the cam_periph_hold call above. 1315 */ 1316 cam_periph_unlock(periph); 1317 1318 nocopyout = 0; 1319 switch (cmd) { 1320 1321 case CDIOCPLAYTRACKS: 1322 { 1323 struct ioc_play_track *args 1324 = (struct ioc_play_track *) addr; 1325 struct cd_mode_params params; 1326 union cd_pages *page; 1327 1328 params.alloc_len = sizeof(union cd_mode_data_6_10); 1329 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1330 M_WAITOK | M_ZERO); 1331 1332 cam_periph_lock(periph); 1333 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1334 ("trying to do CDIOCPLAYTRACKS\n")); 1335 1336 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1337 if (error) { 1338 free(params.mode_buf, M_SCSICD); 1339 cam_periph_unlock(periph); 1340 break; 1341 } 1342 page = cdgetpage(¶ms); 1343 1344 page->audio.flags &= ~CD_PA_SOTC; 1345 page->audio.flags |= CD_PA_IMMED; 1346 error = cdsetmode(periph, ¶ms); 1347 free(params.mode_buf, M_SCSICD); 1348 if (error) { 1349 cam_periph_unlock(periph); 1350 break; 1351 } 1352 1353 /* 1354 * This was originally implemented with the PLAY 1355 * AUDIO TRACK INDEX command, but that command was 1356 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1357 * drives support it but ATAPI and ATAPI-derivative 1358 * drives don't seem to support it. So we keep a 1359 * cache of the table of contents and translate 1360 * track numbers to MSF format. 1361 */ 1362 if (softc->flags & CD_FLAG_VALID_TOC) { 1363 union msf_lba *sentry, *eentry; 1364 int st, et; 1365 1366 if (args->end_track < 1367 softc->toc.header.ending_track + 1) 1368 args->end_track++; 1369 if (args->end_track > 1370 softc->toc.header.ending_track + 1) 1371 args->end_track = 1372 softc->toc.header.ending_track + 1; 1373 st = args->start_track - 1374 softc->toc.header.starting_track; 1375 et = args->end_track - 1376 softc->toc.header.starting_track; 1377 if ((st < 0) 1378 || (et < 0) 1379 || (st > (softc->toc.header.ending_track - 1380 softc->toc.header.starting_track))) { 1381 error = EINVAL; 1382 cam_periph_unlock(periph); 1383 break; 1384 } 1385 sentry = &softc->toc.entries[st].addr; 1386 eentry = &softc->toc.entries[et].addr; 1387 error = cdplaymsf(periph, 1388 sentry->msf.minute, 1389 sentry->msf.second, 1390 sentry->msf.frame, 1391 eentry->msf.minute, 1392 eentry->msf.second, 1393 eentry->msf.frame); 1394 } else { 1395 /* 1396 * If we don't have a valid TOC, try the 1397 * play track index command. It is part of 1398 * the SCSI-2 spec, but was removed in the 1399 * MMC specs. ATAPI and ATAPI-derived 1400 * drives don't support it. 1401 */ 1402 if (softc->quirks & CD_Q_BCD_TRACKS) { 1403 args->start_track = 1404 bin2bcd(args->start_track); 1405 args->end_track = 1406 bin2bcd(args->end_track); 1407 } 1408 error = cdplaytracks(periph, 1409 args->start_track, 1410 args->start_index, 1411 args->end_track, 1412 args->end_index); 1413 } 1414 cam_periph_unlock(periph); 1415 } 1416 break; 1417 case CDIOCPLAYMSF: 1418 { 1419 struct ioc_play_msf *args 1420 = (struct ioc_play_msf *) addr; 1421 struct cd_mode_params params; 1422 union cd_pages *page; 1423 1424 params.alloc_len = sizeof(union cd_mode_data_6_10); 1425 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1426 M_WAITOK | M_ZERO); 1427 1428 cam_periph_lock(periph); 1429 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1430 ("trying to do CDIOCPLAYMSF\n")); 1431 1432 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1433 if (error) { 1434 free(params.mode_buf, M_SCSICD); 1435 cam_periph_unlock(periph); 1436 break; 1437 } 1438 page = cdgetpage(¶ms); 1439 1440 page->audio.flags &= ~CD_PA_SOTC; 1441 page->audio.flags |= CD_PA_IMMED; 1442 error = cdsetmode(periph, ¶ms); 1443 free(params.mode_buf, M_SCSICD); 1444 if (error) { 1445 cam_periph_unlock(periph); 1446 break; 1447 } 1448 error = cdplaymsf(periph, 1449 args->start_m, 1450 args->start_s, 1451 args->start_f, 1452 args->end_m, 1453 args->end_s, 1454 args->end_f); 1455 cam_periph_unlock(periph); 1456 } 1457 break; 1458 case CDIOCPLAYBLOCKS: 1459 { 1460 struct ioc_play_blocks *args 1461 = (struct ioc_play_blocks *) addr; 1462 struct cd_mode_params params; 1463 union cd_pages *page; 1464 1465 params.alloc_len = sizeof(union cd_mode_data_6_10); 1466 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1467 M_WAITOK | M_ZERO); 1468 1469 cam_periph_lock(periph); 1470 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1471 ("trying to do CDIOCPLAYBLOCKS\n")); 1472 1473 1474 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1475 if (error) { 1476 free(params.mode_buf, M_SCSICD); 1477 cam_periph_unlock(periph); 1478 break; 1479 } 1480 page = cdgetpage(¶ms); 1481 1482 page->audio.flags &= ~CD_PA_SOTC; 1483 page->audio.flags |= CD_PA_IMMED; 1484 error = cdsetmode(periph, ¶ms); 1485 free(params.mode_buf, M_SCSICD); 1486 if (error) { 1487 cam_periph_unlock(periph); 1488 break; 1489 } 1490 error = cdplay(periph, args->blk, args->len); 1491 cam_periph_unlock(periph); 1492 } 1493 break; 1494 case CDIOCREADSUBCHANNEL_SYSSPACE: 1495 nocopyout = 1; 1496 /* Fallthrough */ 1497 case CDIOCREADSUBCHANNEL: 1498 { 1499 struct ioc_read_subchannel *args 1500 = (struct ioc_read_subchannel *) addr; 1501 struct cd_sub_channel_info *data; 1502 u_int32_t len = args->data_len; 1503 1504 data = malloc(sizeof(struct cd_sub_channel_info), 1505 M_SCSICD, M_WAITOK | M_ZERO); 1506 1507 cam_periph_lock(periph); 1508 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1509 ("trying to do CDIOCREADSUBCHANNEL\n")); 1510 1511 if ((len > sizeof(struct cd_sub_channel_info)) || 1512 (len < sizeof(struct cd_sub_channel_header))) { 1513 printf( 1514 "scsi_cd: cdioctl: " 1515 "cdioreadsubchannel: error, len=%d\n", 1516 len); 1517 error = EINVAL; 1518 free(data, M_SCSICD); 1519 cam_periph_unlock(periph); 1520 break; 1521 } 1522 1523 if (softc->quirks & CD_Q_BCD_TRACKS) 1524 args->track = bin2bcd(args->track); 1525 1526 error = cdreadsubchannel(periph, args->address_format, 1527 args->data_format, args->track, data, len); 1528 1529 if (error) { 1530 free(data, M_SCSICD); 1531 cam_periph_unlock(periph); 1532 break; 1533 } 1534 if (softc->quirks & CD_Q_BCD_TRACKS) 1535 data->what.track_info.track_number = 1536 bcd2bin(data->what.track_info.track_number); 1537 len = min(len, ((data->header.data_len[0] << 8) + 1538 data->header.data_len[1] + 1539 sizeof(struct cd_sub_channel_header))); 1540 cam_periph_unlock(periph); 1541 if (nocopyout == 0) { 1542 if (copyout(data, args->data, len) != 0) { 1543 error = EFAULT; 1544 } 1545 } else { 1546 bcopy(data, args->data, len); 1547 } 1548 free(data, M_SCSICD); 1549 } 1550 break; 1551 1552 case CDIOREADTOCHEADER: 1553 { 1554 struct ioc_toc_header *th; 1555 1556 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 1557 M_WAITOK | M_ZERO); 1558 1559 cam_periph_lock(periph); 1560 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1561 ("trying to do CDIOREADTOCHEADER\n")); 1562 1563 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1564 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 1565 if (error) { 1566 free(th, M_SCSICD); 1567 cam_periph_unlock(periph); 1568 break; 1569 } 1570 if (softc->quirks & CD_Q_BCD_TRACKS) { 1571 /* we are going to have to convert the BCD 1572 * encoding on the cd to what is expected 1573 */ 1574 th->starting_track = 1575 bcd2bin(th->starting_track); 1576 th->ending_track = bcd2bin(th->ending_track); 1577 } 1578 th->len = ntohs(th->len); 1579 bcopy(th, addr, sizeof(*th)); 1580 free(th, M_SCSICD); 1581 cam_periph_unlock(periph); 1582 } 1583 break; 1584 case CDIOREADTOCENTRYS: 1585 { 1586 struct cd_tocdata *data; 1587 struct cd_toc_single *lead; 1588 struct ioc_read_toc_entry *te = 1589 (struct ioc_read_toc_entry *) addr; 1590 struct ioc_toc_header *th; 1591 u_int32_t len, readlen, idx, num; 1592 u_int32_t starting_track = te->starting_track; 1593 1594 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1595 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 1596 1597 cam_periph_lock(periph); 1598 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1599 ("trying to do CDIOREADTOCENTRYS\n")); 1600 1601 if (te->data_len < sizeof(struct cd_toc_entry) 1602 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1603 || (te->address_format != CD_MSF_FORMAT 1604 && te->address_format != CD_LBA_FORMAT)) { 1605 error = EINVAL; 1606 printf("scsi_cd: error in readtocentries, " 1607 "returning EINVAL\n"); 1608 free(data, M_SCSICD); 1609 free(lead, M_SCSICD); 1610 cam_periph_unlock(periph); 1611 break; 1612 } 1613 1614 th = &data->header; 1615 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1616 sizeof (*th), /*sense_flags*/0); 1617 if (error) { 1618 free(data, M_SCSICD); 1619 free(lead, M_SCSICD); 1620 cam_periph_unlock(periph); 1621 break; 1622 } 1623 1624 if (softc->quirks & CD_Q_BCD_TRACKS) { 1625 /* we are going to have to convert the BCD 1626 * encoding on the cd to what is expected 1627 */ 1628 th->starting_track = 1629 bcd2bin(th->starting_track); 1630 th->ending_track = bcd2bin(th->ending_track); 1631 } 1632 1633 if (starting_track == 0) 1634 starting_track = th->starting_track; 1635 else if (starting_track == LEADOUT) 1636 starting_track = th->ending_track + 1; 1637 else if (starting_track < th->starting_track || 1638 starting_track > th->ending_track + 1) { 1639 printf("scsi_cd: error in readtocentries, " 1640 "returning EINVAL\n"); 1641 free(data, M_SCSICD); 1642 free(lead, M_SCSICD); 1643 cam_periph_unlock(periph); 1644 error = EINVAL; 1645 break; 1646 } 1647 1648 /* calculate reading length without leadout entry */ 1649 readlen = (th->ending_track - starting_track + 1) * 1650 sizeof(struct cd_toc_entry); 1651 1652 /* and with leadout entry */ 1653 len = readlen + sizeof(struct cd_toc_entry); 1654 if (te->data_len < len) { 1655 len = te->data_len; 1656 if (readlen > len) 1657 readlen = len; 1658 } 1659 if (len > sizeof(data->entries)) { 1660 printf("scsi_cd: error in readtocentries, " 1661 "returning EINVAL\n"); 1662 error = EINVAL; 1663 free(data, M_SCSICD); 1664 free(lead, M_SCSICD); 1665 cam_periph_unlock(periph); 1666 break; 1667 } 1668 num = len / sizeof(struct cd_toc_entry); 1669 1670 if (readlen > 0) { 1671 error = cdreadtoc(periph, te->address_format, 1672 starting_track, 1673 (u_int8_t *)data, 1674 readlen + sizeof (*th), 1675 /*sense_flags*/0); 1676 if (error) { 1677 free(data, M_SCSICD); 1678 free(lead, M_SCSICD); 1679 cam_periph_unlock(periph); 1680 break; 1681 } 1682 } 1683 1684 /* make leadout entry if needed */ 1685 idx = starting_track + num - 1; 1686 if (softc->quirks & CD_Q_BCD_TRACKS) 1687 th->ending_track = bcd2bin(th->ending_track); 1688 if (idx == th->ending_track + 1) { 1689 error = cdreadtoc(periph, te->address_format, 1690 LEADOUT, (u_int8_t *)lead, 1691 sizeof(*lead), 1692 /*sense_flags*/0); 1693 if (error) { 1694 free(data, M_SCSICD); 1695 free(lead, M_SCSICD); 1696 cam_periph_unlock(periph); 1697 break; 1698 } 1699 data->entries[idx - starting_track] = 1700 lead->entry; 1701 } 1702 if (softc->quirks & CD_Q_BCD_TRACKS) { 1703 for (idx = 0; idx < num - 1; idx++) { 1704 data->entries[idx].track = 1705 bcd2bin(data->entries[idx].track); 1706 } 1707 } 1708 1709 cam_periph_unlock(periph); 1710 error = copyout(data->entries, te->data, len); 1711 free(data, M_SCSICD); 1712 free(lead, M_SCSICD); 1713 } 1714 break; 1715 case CDIOREADTOCENTRY: 1716 { 1717 struct cd_toc_single *data; 1718 struct ioc_read_toc_single_entry *te = 1719 (struct ioc_read_toc_single_entry *) addr; 1720 struct ioc_toc_header *th; 1721 u_int32_t track; 1722 1723 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1724 1725 cam_periph_lock(periph); 1726 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1727 ("trying to do CDIOREADTOCENTRY\n")); 1728 1729 if (te->address_format != CD_MSF_FORMAT 1730 && te->address_format != CD_LBA_FORMAT) { 1731 printf("error in readtocentry, " 1732 " returning EINVAL\n"); 1733 free(data, M_SCSICD); 1734 error = EINVAL; 1735 cam_periph_unlock(periph); 1736 break; 1737 } 1738 1739 th = &data->header; 1740 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1741 sizeof (*th), /*sense_flags*/0); 1742 if (error) { 1743 free(data, M_SCSICD); 1744 cam_periph_unlock(periph); 1745 break; 1746 } 1747 1748 if (softc->quirks & CD_Q_BCD_TRACKS) { 1749 /* we are going to have to convert the BCD 1750 * encoding on the cd to what is expected 1751 */ 1752 th->starting_track = 1753 bcd2bin(th->starting_track); 1754 th->ending_track = bcd2bin(th->ending_track); 1755 } 1756 track = te->track; 1757 if (track == 0) 1758 track = th->starting_track; 1759 else if (track == LEADOUT) 1760 /* OK */; 1761 else if (track < th->starting_track || 1762 track > th->ending_track + 1) { 1763 printf("error in readtocentry, " 1764 " returning EINVAL\n"); 1765 free(data, M_SCSICD); 1766 error = EINVAL; 1767 cam_periph_unlock(periph); 1768 break; 1769 } 1770 1771 error = cdreadtoc(periph, te->address_format, track, 1772 (u_int8_t *)data, sizeof(*data), 1773 /*sense_flags*/0); 1774 if (error) { 1775 free(data, M_SCSICD); 1776 cam_periph_unlock(periph); 1777 break; 1778 } 1779 1780 if (softc->quirks & CD_Q_BCD_TRACKS) 1781 data->entry.track = bcd2bin(data->entry.track); 1782 bcopy(&data->entry, &te->entry, 1783 sizeof(struct cd_toc_entry)); 1784 free(data, M_SCSICD); 1785 cam_periph_unlock(periph); 1786 } 1787 break; 1788 case CDIOCSETPATCH: 1789 { 1790 struct ioc_patch *arg = (struct ioc_patch *)addr; 1791 struct cd_mode_params params; 1792 union cd_pages *page; 1793 1794 params.alloc_len = sizeof(union cd_mode_data_6_10); 1795 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1796 M_WAITOK | M_ZERO); 1797 1798 cam_periph_lock(periph); 1799 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1800 ("trying to do CDIOCSETPATCH\n")); 1801 1802 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1803 if (error) { 1804 free(params.mode_buf, M_SCSICD); 1805 cam_periph_unlock(periph); 1806 break; 1807 } 1808 page = cdgetpage(¶ms); 1809 1810 page->audio.port[LEFT_PORT].channels = 1811 arg->patch[0]; 1812 page->audio.port[RIGHT_PORT].channels = 1813 arg->patch[1]; 1814 page->audio.port[2].channels = arg->patch[2]; 1815 page->audio.port[3].channels = arg->patch[3]; 1816 error = cdsetmode(periph, ¶ms); 1817 free(params.mode_buf, M_SCSICD); 1818 cam_periph_unlock(periph); 1819 } 1820 break; 1821 case CDIOCGETVOL: 1822 { 1823 struct ioc_vol *arg = (struct ioc_vol *) addr; 1824 struct cd_mode_params params; 1825 union cd_pages *page; 1826 1827 params.alloc_len = sizeof(union cd_mode_data_6_10); 1828 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1829 M_WAITOK | M_ZERO); 1830 1831 cam_periph_lock(periph); 1832 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1833 ("trying to do CDIOCGETVOL\n")); 1834 1835 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1836 if (error) { 1837 free(params.mode_buf, M_SCSICD); 1838 cam_periph_unlock(periph); 1839 break; 1840 } 1841 page = cdgetpage(¶ms); 1842 1843 arg->vol[LEFT_PORT] = 1844 page->audio.port[LEFT_PORT].volume; 1845 arg->vol[RIGHT_PORT] = 1846 page->audio.port[RIGHT_PORT].volume; 1847 arg->vol[2] = page->audio.port[2].volume; 1848 arg->vol[3] = page->audio.port[3].volume; 1849 free(params.mode_buf, M_SCSICD); 1850 cam_periph_unlock(periph); 1851 } 1852 break; 1853 case CDIOCSETVOL: 1854 { 1855 struct ioc_vol *arg = (struct ioc_vol *) addr; 1856 struct cd_mode_params params; 1857 union cd_pages *page; 1858 1859 params.alloc_len = sizeof(union cd_mode_data_6_10); 1860 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1861 M_WAITOK | M_ZERO); 1862 1863 cam_periph_lock(periph); 1864 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1865 ("trying to do CDIOCSETVOL\n")); 1866 1867 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1868 if (error) { 1869 free(params.mode_buf, M_SCSICD); 1870 cam_periph_unlock(periph); 1871 break; 1872 } 1873 page = cdgetpage(¶ms); 1874 1875 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 1876 page->audio.port[LEFT_PORT].volume = 1877 arg->vol[LEFT_PORT]; 1878 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 1879 page->audio.port[RIGHT_PORT].volume = 1880 arg->vol[RIGHT_PORT]; 1881 page->audio.port[2].volume = arg->vol[2]; 1882 page->audio.port[3].volume = arg->vol[3]; 1883 error = cdsetmode(periph, ¶ms); 1884 cam_periph_unlock(periph); 1885 free(params.mode_buf, M_SCSICD); 1886 } 1887 break; 1888 case CDIOCSETMONO: 1889 { 1890 struct cd_mode_params params; 1891 union cd_pages *page; 1892 1893 params.alloc_len = sizeof(union cd_mode_data_6_10); 1894 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1895 M_WAITOK | M_ZERO); 1896 1897 cam_periph_lock(periph); 1898 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1899 ("trying to do CDIOCSETMONO\n")); 1900 1901 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1902 if (error) { 1903 free(params.mode_buf, M_SCSICD); 1904 cam_periph_unlock(periph); 1905 break; 1906 } 1907 page = cdgetpage(¶ms); 1908 1909 page->audio.port[LEFT_PORT].channels = 1910 LEFT_CHANNEL | RIGHT_CHANNEL; 1911 page->audio.port[RIGHT_PORT].channels = 1912 LEFT_CHANNEL | RIGHT_CHANNEL; 1913 page->audio.port[2].channels = 0; 1914 page->audio.port[3].channels = 0; 1915 error = cdsetmode(periph, ¶ms); 1916 cam_periph_unlock(periph); 1917 free(params.mode_buf, M_SCSICD); 1918 } 1919 break; 1920 case CDIOCSETSTEREO: 1921 { 1922 struct cd_mode_params params; 1923 union cd_pages *page; 1924 1925 params.alloc_len = sizeof(union cd_mode_data_6_10); 1926 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1927 M_WAITOK | M_ZERO); 1928 1929 cam_periph_lock(periph); 1930 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1931 ("trying to do CDIOCSETSTEREO\n")); 1932 1933 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1934 if (error) { 1935 free(params.mode_buf, M_SCSICD); 1936 cam_periph_unlock(periph); 1937 break; 1938 } 1939 page = cdgetpage(¶ms); 1940 1941 page->audio.port[LEFT_PORT].channels = 1942 LEFT_CHANNEL; 1943 page->audio.port[RIGHT_PORT].channels = 1944 RIGHT_CHANNEL; 1945 page->audio.port[2].channels = 0; 1946 page->audio.port[3].channels = 0; 1947 error = cdsetmode(periph, ¶ms); 1948 free(params.mode_buf, M_SCSICD); 1949 cam_periph_unlock(periph); 1950 } 1951 break; 1952 case CDIOCSETMUTE: 1953 { 1954 struct cd_mode_params params; 1955 union cd_pages *page; 1956 1957 params.alloc_len = sizeof(union cd_mode_data_6_10); 1958 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1959 M_WAITOK | M_ZERO); 1960 1961 cam_periph_lock(periph); 1962 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1963 ("trying to do CDIOCSETMUTE\n")); 1964 1965 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1966 if (error) { 1967 free(params.mode_buf, M_SCSICD); 1968 cam_periph_unlock(periph); 1969 break; 1970 } 1971 page = cdgetpage(¶ms); 1972 1973 page->audio.port[LEFT_PORT].channels = 0; 1974 page->audio.port[RIGHT_PORT].channels = 0; 1975 page->audio.port[2].channels = 0; 1976 page->audio.port[3].channels = 0; 1977 error = cdsetmode(periph, ¶ms); 1978 free(params.mode_buf, M_SCSICD); 1979 cam_periph_unlock(periph); 1980 } 1981 break; 1982 case CDIOCSETLEFT: 1983 { 1984 struct cd_mode_params params; 1985 union cd_pages *page; 1986 1987 params.alloc_len = sizeof(union cd_mode_data_6_10); 1988 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1989 M_WAITOK | M_ZERO); 1990 1991 cam_periph_lock(periph); 1992 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1993 ("trying to do CDIOCSETLEFT\n")); 1994 1995 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1996 if (error) { 1997 free(params.mode_buf, M_SCSICD); 1998 cam_periph_unlock(periph); 1999 break; 2000 } 2001 page = cdgetpage(¶ms); 2002 2003 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2004 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2005 page->audio.port[2].channels = 0; 2006 page->audio.port[3].channels = 0; 2007 error = cdsetmode(periph, ¶ms); 2008 free(params.mode_buf, M_SCSICD); 2009 cam_periph_unlock(periph); 2010 } 2011 break; 2012 case CDIOCSETRIGHT: 2013 { 2014 struct cd_mode_params params; 2015 union cd_pages *page; 2016 2017 params.alloc_len = sizeof(union cd_mode_data_6_10); 2018 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2019 M_WAITOK | M_ZERO); 2020 2021 cam_periph_lock(periph); 2022 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2023 ("trying to do CDIOCSETRIGHT\n")); 2024 2025 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2026 if (error) { 2027 free(params.mode_buf, M_SCSICD); 2028 cam_periph_unlock(periph); 2029 break; 2030 } 2031 page = cdgetpage(¶ms); 2032 2033 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2034 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2035 page->audio.port[2].channels = 0; 2036 page->audio.port[3].channels = 0; 2037 error = cdsetmode(periph, ¶ms); 2038 free(params.mode_buf, M_SCSICD); 2039 cam_periph_unlock(periph); 2040 } 2041 break; 2042 case CDIOCRESUME: 2043 cam_periph_lock(periph); 2044 error = cdpause(periph, 1); 2045 cam_periph_unlock(periph); 2046 break; 2047 case CDIOCPAUSE: 2048 cam_periph_lock(periph); 2049 error = cdpause(periph, 0); 2050 cam_periph_unlock(periph); 2051 break; 2052 case CDIOCSTART: 2053 cam_periph_lock(periph); 2054 error = cdstartunit(periph, 0); 2055 cam_periph_unlock(periph); 2056 break; 2057 case CDIOCCLOSE: 2058 cam_periph_lock(periph); 2059 error = cdstartunit(periph, 1); 2060 cam_periph_unlock(periph); 2061 break; 2062 case CDIOCSTOP: 2063 cam_periph_lock(periph); 2064 error = cdstopunit(periph, 0); 2065 cam_periph_unlock(periph); 2066 break; 2067 case CDIOCEJECT: 2068 cam_periph_lock(periph); 2069 error = cdstopunit(periph, 1); 2070 cam_periph_unlock(periph); 2071 break; 2072 case CDIOCALLOW: 2073 cam_periph_lock(periph); 2074 cdprevent(periph, PR_ALLOW); 2075 cam_periph_unlock(periph); 2076 break; 2077 case CDIOCPREVENT: 2078 cam_periph_lock(periph); 2079 cdprevent(periph, PR_PREVENT); 2080 cam_periph_unlock(periph); 2081 break; 2082 case CDIOCSETDEBUG: 2083 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2084 error = ENOTTY; 2085 break; 2086 case CDIOCCLRDEBUG: 2087 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2088 error = ENOTTY; 2089 break; 2090 case CDIOCRESET: 2091 /* return (cd_reset(periph)); */ 2092 error = ENOTTY; 2093 break; 2094 case CDRIOCREADSPEED: 2095 cam_periph_lock(periph); 2096 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2097 cam_periph_unlock(periph); 2098 break; 2099 case CDRIOCWRITESPEED: 2100 cam_periph_lock(periph); 2101 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2102 cam_periph_unlock(periph); 2103 break; 2104 case CDRIOCGETBLOCKSIZE: 2105 *(int *)addr = softc->params.blksize; 2106 break; 2107 case CDRIOCSETBLOCKSIZE: 2108 if (*(int *)addr <= 0) { 2109 error = EINVAL; 2110 break; 2111 } 2112 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2113 break; 2114 case DVDIOCSENDKEY: 2115 case DVDIOCREPORTKEY: { 2116 struct dvd_authinfo *authinfo; 2117 2118 authinfo = (struct dvd_authinfo *)addr; 2119 2120 if (cmd == DVDIOCREPORTKEY) 2121 error = cdreportkey(periph, authinfo); 2122 else 2123 error = cdsendkey(periph, authinfo); 2124 break; 2125 } 2126 case DVDIOCREADSTRUCTURE: { 2127 struct dvd_struct *dvdstruct; 2128 2129 dvdstruct = (struct dvd_struct *)addr; 2130 2131 error = cdreaddvdstructure(periph, dvdstruct); 2132 2133 break; 2134 } 2135 default: 2136 cam_periph_lock(periph); 2137 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2138 cam_periph_unlock(periph); 2139 break; 2140 } 2141 2142 cam_periph_lock(periph); 2143 cam_periph_unhold(periph); 2144 2145 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2146 if (error && bootverbose) { 2147 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2148 } 2149 cam_periph_unlock(periph); 2150 2151 return (error); 2152 } 2153 2154 static void 2155 cdprevent(struct cam_periph *periph, int action) 2156 { 2157 union ccb *ccb; 2158 struct cd_softc *softc; 2159 int error; 2160 2161 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2162 2163 softc = (struct cd_softc *)periph->softc; 2164 2165 if (((action == PR_ALLOW) 2166 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2167 || ((action == PR_PREVENT) 2168 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2169 return; 2170 } 2171 2172 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2173 2174 scsi_prevent(&ccb->csio, 2175 /*retries*/ cd_retry_count, 2176 cddone, 2177 MSG_SIMPLE_Q_TAG, 2178 action, 2179 SSD_FULL_SIZE, 2180 /* timeout */60000); 2181 2182 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2183 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2184 2185 xpt_release_ccb(ccb); 2186 2187 if (error == 0) { 2188 if (action == PR_ALLOW) 2189 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2190 else 2191 softc->flags |= CD_FLAG_DISC_LOCKED; 2192 } 2193 } 2194 2195 /* 2196 * XXX: the disk media and sector size is only really able to change 2197 * XXX: while the device is closed. 2198 */ 2199 static int 2200 cdcheckmedia(struct cam_periph *periph) 2201 { 2202 struct cd_softc *softc; 2203 struct ioc_toc_header *toch; 2204 struct cd_toc_single leadout; 2205 u_int32_t size, toclen; 2206 int error, num_entries, cdindex; 2207 2208 softc = (struct cd_softc *)periph->softc; 2209 2210 cdprevent(periph, PR_PREVENT); 2211 softc->disk->d_sectorsize = 2048; 2212 softc->disk->d_mediasize = 0; 2213 2214 /* 2215 * Get the disc size and block size. If we can't get it, we don't 2216 * have media, most likely. 2217 */ 2218 if ((error = cdsize(periph, &size)) != 0) { 2219 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2220 cdprevent(periph, PR_ALLOW); 2221 return (error); 2222 } else { 2223 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; 2224 softc->disk->d_sectorsize = softc->params.blksize; 2225 softc->disk->d_mediasize = 2226 (off_t)softc->params.blksize * softc->params.disksize; 2227 } 2228 2229 /* 2230 * Now we check the table of contents. This (currently) is only 2231 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2232 * things like present a separate entry in /dev for each track, 2233 * like that acd(4) driver does. 2234 */ 2235 bzero(&softc->toc, sizeof(softc->toc)); 2236 toch = &softc->toc.header; 2237 /* 2238 * We will get errors here for media that doesn't have a table of 2239 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2240 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2241 * has not been recorded (no complete session) and the Format codes 2242 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2243 * with an INVALID FIELD IN CDB. Devices that are not capable of 2244 * reading an incomplete session on DDC/CD-R/RW media shall report 2245 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2246 * 2247 * So this isn't fatal if we can't read the table of contents, it 2248 * just means that the user won't be able to issue the play tracks 2249 * ioctl, and likely lots of other stuff won't work either. They 2250 * need to burn the CD before we can do a whole lot with it. So 2251 * we don't print anything here if we get an error back. 2252 */ 2253 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2254 SF_NO_PRINT); 2255 /* 2256 * Errors in reading the table of contents aren't fatal, we just 2257 * won't have a valid table of contents cached. 2258 */ 2259 if (error != 0) { 2260 error = 0; 2261 bzero(&softc->toc, sizeof(softc->toc)); 2262 goto bailout; 2263 } 2264 2265 if (softc->quirks & CD_Q_BCD_TRACKS) { 2266 toch->starting_track = bcd2bin(toch->starting_track); 2267 toch->ending_track = bcd2bin(toch->ending_track); 2268 } 2269 2270 /* Number of TOC entries, plus leadout */ 2271 num_entries = (toch->ending_track - toch->starting_track) + 2; 2272 2273 if (num_entries <= 0) 2274 goto bailout; 2275 2276 toclen = num_entries * sizeof(struct cd_toc_entry); 2277 2278 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2279 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2280 SF_NO_PRINT); 2281 if (error != 0) { 2282 error = 0; 2283 bzero(&softc->toc, sizeof(softc->toc)); 2284 goto bailout; 2285 } 2286 2287 if (softc->quirks & CD_Q_BCD_TRACKS) { 2288 toch->starting_track = bcd2bin(toch->starting_track); 2289 toch->ending_track = bcd2bin(toch->ending_track); 2290 } 2291 /* 2292 * XXX KDM is this necessary? Probably only if the drive doesn't 2293 * return leadout information with the table of contents. 2294 */ 2295 cdindex = toch->starting_track + num_entries -1; 2296 if (cdindex == toch->ending_track + 1) { 2297 2298 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2299 (u_int8_t *)&leadout, sizeof(leadout), 2300 SF_NO_PRINT); 2301 if (error != 0) { 2302 error = 0; 2303 goto bailout; 2304 } 2305 softc->toc.entries[cdindex - toch->starting_track] = 2306 leadout.entry; 2307 } 2308 if (softc->quirks & CD_Q_BCD_TRACKS) { 2309 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2310 softc->toc.entries[cdindex].track = 2311 bcd2bin(softc->toc.entries[cdindex].track); 2312 } 2313 } 2314 2315 softc->flags |= CD_FLAG_VALID_TOC; 2316 2317 /* If the first track is audio, correct sector size. */ 2318 if ((softc->toc.entries[0].control & 4) == 0) { 2319 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2320 softc->disk->d_mediasize = 2321 (off_t)softc->params.blksize * softc->params.disksize; 2322 } 2323 2324 bailout: 2325 2326 /* 2327 * We unconditionally (re)set the blocksize each time the 2328 * CD device is opened. This is because the CD can change, 2329 * and therefore the blocksize might change. 2330 * XXX problems here if some slice or partition is still 2331 * open with the old size? 2332 */ 2333 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2334 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2335 softc->disk->d_devstat->block_size = softc->params.blksize; 2336 2337 return (error); 2338 } 2339 2340 static int 2341 cdsize(struct cam_periph *periph, u_int32_t *size) 2342 { 2343 struct cd_softc *softc; 2344 union ccb *ccb; 2345 struct scsi_read_capacity_data *rcap_buf; 2346 int error; 2347 2348 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2349 2350 softc = (struct cd_softc *)periph->softc; 2351 2352 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2353 2354 /* XXX Should be M_WAITOK */ 2355 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2356 M_SCSICD, M_NOWAIT | M_ZERO); 2357 if (rcap_buf == NULL) 2358 return (ENOMEM); 2359 2360 scsi_read_capacity(&ccb->csio, 2361 /*retries*/ cd_retry_count, 2362 cddone, 2363 MSG_SIMPLE_Q_TAG, 2364 rcap_buf, 2365 SSD_FULL_SIZE, 2366 /* timeout */20000); 2367 2368 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2369 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2370 2371 xpt_release_ccb(ccb); 2372 2373 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2374 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2375 /* Make sure we got at least some block size. */ 2376 if (error == 0 && softc->params.blksize == 0) 2377 error = EIO; 2378 /* 2379 * SCSI-3 mandates that the reported blocksize shall be 2048. 2380 * Older drives sometimes report funny values, trim it down to 2381 * 2048, or other parts of the kernel will get confused. 2382 * 2383 * XXX we leave drives alone that might report 512 bytes, as 2384 * well as drives reporting more weird sizes like perhaps 4K. 2385 */ 2386 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2387 softc->params.blksize = 2048; 2388 2389 free(rcap_buf, M_SCSICD); 2390 *size = softc->params.disksize; 2391 2392 return (error); 2393 2394 } 2395 2396 static int 2397 cd6byteworkaround(union ccb *ccb) 2398 { 2399 u_int8_t *cdb; 2400 struct cam_periph *periph; 2401 struct cd_softc *softc; 2402 struct cd_mode_params *params; 2403 int frozen, found; 2404 2405 periph = xpt_path_periph(ccb->ccb_h.path); 2406 softc = (struct cd_softc *)periph->softc; 2407 2408 cdb = ccb->csio.cdb_io.cdb_bytes; 2409 2410 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2411 || ((cdb[0] != MODE_SENSE_6) 2412 && (cdb[0] != MODE_SELECT_6))) 2413 return (0); 2414 2415 /* 2416 * Because there is no convenient place to stash the overall 2417 * cd_mode_params structure pointer, we have to grab it like this. 2418 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2419 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2420 * 2421 * XXX It would be nice if, at some point, we could increase the 2422 * number of available peripheral private pointers. Both pointers 2423 * are currently used in most every peripheral driver. 2424 */ 2425 found = 0; 2426 2427 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2428 if (params->mode_buf == ccb->csio.data_ptr) { 2429 found = 1; 2430 break; 2431 } 2432 } 2433 2434 /* 2435 * This shouldn't happen. All mode sense and mode select 2436 * operations in the cd(4) driver MUST go through cdgetmode() and 2437 * cdsetmode()! 2438 */ 2439 if (found == 0) { 2440 xpt_print(periph->path, 2441 "mode buffer not found in mode queue!\n"); 2442 return (0); 2443 } 2444 2445 params->cdb_size = 10; 2446 softc->minimum_command_size = 10; 2447 xpt_print(ccb->ccb_h.path, 2448 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2449 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2450 2451 if (cdb[0] == MODE_SENSE_6) { 2452 struct scsi_mode_sense_10 ms10; 2453 struct scsi_mode_sense_6 *ms6; 2454 int len; 2455 2456 ms6 = (struct scsi_mode_sense_6 *)cdb; 2457 2458 bzero(&ms10, sizeof(ms10)); 2459 ms10.opcode = MODE_SENSE_10; 2460 ms10.byte2 = ms6->byte2; 2461 ms10.page = ms6->page; 2462 2463 /* 2464 * 10 byte mode header, block descriptor, 2465 * sizeof(union cd_pages) 2466 */ 2467 len = sizeof(struct cd_mode_data_10); 2468 ccb->csio.dxfer_len = len; 2469 2470 scsi_ulto2b(len, ms10.length); 2471 ms10.control = ms6->control; 2472 bcopy(&ms10, cdb, 10); 2473 ccb->csio.cdb_len = 10; 2474 } else { 2475 struct scsi_mode_select_10 ms10; 2476 struct scsi_mode_select_6 *ms6; 2477 struct scsi_mode_header_6 *header6; 2478 struct scsi_mode_header_10 *header10; 2479 struct scsi_mode_page_header *page_header; 2480 int blk_desc_len, page_num, page_size, len; 2481 2482 ms6 = (struct scsi_mode_select_6 *)cdb; 2483 2484 bzero(&ms10, sizeof(ms10)); 2485 ms10.opcode = MODE_SELECT_10; 2486 ms10.byte2 = ms6->byte2; 2487 2488 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2489 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2490 2491 page_header = find_mode_page_6(header6); 2492 page_num = page_header->page_code; 2493 2494 blk_desc_len = header6->blk_desc_len; 2495 2496 page_size = cdgetpagesize(page_num); 2497 2498 if (page_size != (page_header->page_length + 2499 sizeof(*page_header))) 2500 page_size = page_header->page_length + 2501 sizeof(*page_header); 2502 2503 len = sizeof(*header10) + blk_desc_len + page_size; 2504 2505 len = min(params->alloc_len, len); 2506 2507 /* 2508 * Since the 6 byte parameter header is shorter than the 10 2509 * byte parameter header, we need to copy the actual mode 2510 * page data, and the block descriptor, if any, so things wind 2511 * up in the right place. The regions will overlap, but 2512 * bcopy() does the right thing. 2513 */ 2514 bcopy(params->mode_buf + sizeof(*header6), 2515 params->mode_buf + sizeof(*header10), 2516 len - sizeof(*header10)); 2517 2518 /* Make sure these fields are set correctly. */ 2519 scsi_ulto2b(0, header10->data_length); 2520 header10->medium_type = 0; 2521 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 2522 2523 ccb->csio.dxfer_len = len; 2524 2525 scsi_ulto2b(len, ms10.length); 2526 ms10.control = ms6->control; 2527 bcopy(&ms10, cdb, 10); 2528 ccb->csio.cdb_len = 10; 2529 } 2530 2531 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2532 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2533 xpt_action(ccb); 2534 if (frozen) { 2535 cam_release_devq(ccb->ccb_h.path, 2536 /*relsim_flags*/0, 2537 /*openings*/0, 2538 /*timeout*/0, 2539 /*getcount_only*/0); 2540 } 2541 2542 return (ERESTART); 2543 } 2544 2545 static int 2546 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2547 { 2548 struct cd_softc *softc; 2549 struct cam_periph *periph; 2550 int error, error_code, sense_key, asc, ascq; 2551 2552 periph = xpt_path_periph(ccb->ccb_h.path); 2553 softc = (struct cd_softc *)periph->softc; 2554 2555 error = 0; 2556 2557 /* 2558 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 2559 * CDB comes back with this particular error, try transforming it 2560 * into the 10 byte version. 2561 */ 2562 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2563 error = cd6byteworkaround(ccb); 2564 } else if (scsi_extract_sense_ccb(ccb, 2565 &error_code, &sense_key, &asc, &ascq)) { 2566 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2567 error = cd6byteworkaround(ccb); 2568 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 2569 asc == 0x28 && ascq == 0x00) 2570 disk_media_changed(softc->disk, M_NOWAIT); 2571 else if (sense_key == SSD_KEY_NOT_READY && 2572 asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { 2573 softc->flags &= ~CD_FLAG_SAW_MEDIA; 2574 disk_media_gone(softc->disk, M_NOWAIT); 2575 } 2576 } 2577 2578 if (error == ERESTART) 2579 return (error); 2580 2581 /* 2582 * XXX 2583 * Until we have a better way of doing pack validation, 2584 * don't treat UAs as errors. 2585 */ 2586 sense_flags |= SF_RETRY_UA; 2587 return (cam_periph_error(ccb, cam_flags, sense_flags, 2588 &softc->saved_ccb)); 2589 } 2590 2591 static void 2592 cdmediapoll(void *arg) 2593 { 2594 struct cam_periph *periph = arg; 2595 struct cd_softc *softc = periph->softc; 2596 2597 if (softc->state == CD_STATE_NORMAL && !softc->tur && 2598 softc->outstanding_cmds == 0) { 2599 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 2600 softc->tur = 1; 2601 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 2602 } 2603 } 2604 /* Queue us up again */ 2605 if (cd_poll_period != 0) 2606 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); 2607 } 2608 2609 /* 2610 * Read table of contents 2611 */ 2612 static int 2613 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2614 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 2615 { 2616 struct scsi_read_toc *scsi_cmd; 2617 u_int32_t ntoc; 2618 struct ccb_scsiio *csio; 2619 union ccb *ccb; 2620 int error; 2621 2622 ntoc = len; 2623 error = 0; 2624 2625 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2626 2627 csio = &ccb->csio; 2628 2629 cam_fill_csio(csio, 2630 /* retries */ cd_retry_count, 2631 /* cbfcnp */ cddone, 2632 /* flags */ CAM_DIR_IN, 2633 /* tag_action */ MSG_SIMPLE_Q_TAG, 2634 /* data_ptr */ data, 2635 /* dxfer_len */ len, 2636 /* sense_len */ SSD_FULL_SIZE, 2637 sizeof(struct scsi_read_toc), 2638 /* timeout */ 50000); 2639 2640 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2641 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2642 2643 if (mode == CD_MSF_FORMAT) 2644 scsi_cmd->byte2 |= CD_MSF; 2645 scsi_cmd->from_track = start; 2646 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2647 scsi_cmd->data_len[0] = (ntoc) >> 8; 2648 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2649 2650 scsi_cmd->op_code = READ_TOC; 2651 2652 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2653 /*sense_flags*/SF_RETRY_UA | sense_flags); 2654 2655 xpt_release_ccb(ccb); 2656 2657 return(error); 2658 } 2659 2660 static int 2661 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2662 u_int32_t format, int track, 2663 struct cd_sub_channel_info *data, u_int32_t len) 2664 { 2665 struct scsi_read_subchannel *scsi_cmd; 2666 struct ccb_scsiio *csio; 2667 union ccb *ccb; 2668 int error; 2669 2670 error = 0; 2671 2672 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2673 2674 csio = &ccb->csio; 2675 2676 cam_fill_csio(csio, 2677 /* retries */ cd_retry_count, 2678 /* cbfcnp */ cddone, 2679 /* flags */ CAM_DIR_IN, 2680 /* tag_action */ MSG_SIMPLE_Q_TAG, 2681 /* data_ptr */ (u_int8_t *)data, 2682 /* dxfer_len */ len, 2683 /* sense_len */ SSD_FULL_SIZE, 2684 sizeof(struct scsi_read_subchannel), 2685 /* timeout */ 50000); 2686 2687 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2688 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2689 2690 scsi_cmd->op_code = READ_SUBCHANNEL; 2691 if (mode == CD_MSF_FORMAT) 2692 scsi_cmd->byte1 |= CD_MSF; 2693 scsi_cmd->byte2 = SRS_SUBQ; 2694 scsi_cmd->subchan_format = format; 2695 scsi_cmd->track = track; 2696 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2697 scsi_cmd->control = 0; 2698 2699 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2700 /*sense_flags*/SF_RETRY_UA); 2701 2702 xpt_release_ccb(ccb); 2703 2704 return(error); 2705 } 2706 2707 2708 /* 2709 * All MODE_SENSE requests in the cd(4) driver MUST go through this 2710 * routine. See comments in cd6byteworkaround() for details. 2711 */ 2712 static int 2713 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 2714 u_int32_t page) 2715 { 2716 struct ccb_scsiio *csio; 2717 struct cd_softc *softc; 2718 union ccb *ccb; 2719 int param_len; 2720 int error; 2721 2722 softc = (struct cd_softc *)periph->softc; 2723 2724 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2725 2726 csio = &ccb->csio; 2727 2728 data->cdb_size = softc->minimum_command_size; 2729 if (data->cdb_size < 10) 2730 param_len = sizeof(struct cd_mode_data); 2731 else 2732 param_len = sizeof(struct cd_mode_data_10); 2733 2734 /* Don't say we've got more room than we actually allocated */ 2735 param_len = min(param_len, data->alloc_len); 2736 2737 scsi_mode_sense_len(csio, 2738 /* retries */ cd_retry_count, 2739 /* cbfcnp */ cddone, 2740 /* tag_action */ MSG_SIMPLE_Q_TAG, 2741 /* dbd */ 0, 2742 /* page_code */ SMS_PAGE_CTRL_CURRENT, 2743 /* page */ page, 2744 /* param_buf */ data->mode_buf, 2745 /* param_len */ param_len, 2746 /* minimum_cmd_size */ softc->minimum_command_size, 2747 /* sense_len */ SSD_FULL_SIZE, 2748 /* timeout */ 50000); 2749 2750 /* 2751 * It would be nice not to have to do this, but there's no 2752 * available pointer in the CCB that would allow us to stuff the 2753 * mode params structure in there and retrieve it in 2754 * cd6byteworkaround(), so we can set the cdb size. The cdb size 2755 * lets the caller know what CDB size we ended up using, so they 2756 * can find the actual mode page offset. 2757 */ 2758 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2759 2760 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2761 /*sense_flags*/SF_RETRY_UA); 2762 2763 xpt_release_ccb(ccb); 2764 2765 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2766 2767 /* 2768 * This is a bit of belt-and-suspenders checking, but if we run 2769 * into a situation where the target sends back multiple block 2770 * descriptors, we might not have enough space in the buffer to 2771 * see the whole mode page. Better to return an error than 2772 * potentially access memory beyond our malloced region. 2773 */ 2774 if (error == 0) { 2775 u_int32_t data_len; 2776 2777 if (data->cdb_size == 10) { 2778 struct scsi_mode_header_10 *hdr10; 2779 2780 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 2781 data_len = scsi_2btoul(hdr10->data_length); 2782 data_len += sizeof(hdr10->data_length); 2783 } else { 2784 struct scsi_mode_header_6 *hdr6; 2785 2786 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 2787 data_len = hdr6->data_length; 2788 data_len += sizeof(hdr6->data_length); 2789 } 2790 2791 /* 2792 * Complain if there is more mode data available than we 2793 * allocated space for. This could potentially happen if 2794 * we miscalculated the page length for some reason, if the 2795 * drive returns multiple block descriptors, or if it sets 2796 * the data length incorrectly. 2797 */ 2798 if (data_len > data->alloc_len) { 2799 xpt_print(periph->path, "allocated modepage %d length " 2800 "%d < returned length %d\n", page, data->alloc_len, 2801 data_len); 2802 error = ENOSPC; 2803 } 2804 } 2805 return (error); 2806 } 2807 2808 /* 2809 * All MODE_SELECT requests in the cd(4) driver MUST go through this 2810 * routine. See comments in cd6byteworkaround() for details. 2811 */ 2812 static int 2813 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 2814 { 2815 struct ccb_scsiio *csio; 2816 struct cd_softc *softc; 2817 union ccb *ccb; 2818 int cdb_size, param_len; 2819 int error; 2820 2821 softc = (struct cd_softc *)periph->softc; 2822 2823 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2824 2825 csio = &ccb->csio; 2826 2827 error = 0; 2828 2829 /* 2830 * If the data is formatted for the 10 byte version of the mode 2831 * select parameter list, we need to use the 10 byte CDB. 2832 * Otherwise, we use whatever the stored minimum command size. 2833 */ 2834 if (data->cdb_size == 10) 2835 cdb_size = data->cdb_size; 2836 else 2837 cdb_size = softc->minimum_command_size; 2838 2839 if (cdb_size >= 10) { 2840 struct scsi_mode_header_10 *mode_header; 2841 u_int32_t data_len; 2842 2843 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 2844 2845 data_len = scsi_2btoul(mode_header->data_length); 2846 2847 scsi_ulto2b(0, mode_header->data_length); 2848 /* 2849 * SONY drives do not allow a mode select with a medium_type 2850 * value that has just been returned by a mode sense; use a 2851 * medium_type of 0 (Default) instead. 2852 */ 2853 mode_header->medium_type = 0; 2854 2855 /* 2856 * Pass back whatever the drive passed to us, plus the size 2857 * of the data length field. 2858 */ 2859 param_len = data_len + sizeof(mode_header->data_length); 2860 2861 } else { 2862 struct scsi_mode_header_6 *mode_header; 2863 2864 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 2865 2866 param_len = mode_header->data_length + 1; 2867 2868 mode_header->data_length = 0; 2869 /* 2870 * SONY drives do not allow a mode select with a medium_type 2871 * value that has just been returned by a mode sense; use a 2872 * medium_type of 0 (Default) instead. 2873 */ 2874 mode_header->medium_type = 0; 2875 } 2876 2877 /* Don't say we've got more room than we actually allocated */ 2878 param_len = min(param_len, data->alloc_len); 2879 2880 scsi_mode_select_len(csio, 2881 /* retries */ cd_retry_count, 2882 /* cbfcnp */ cddone, 2883 /* tag_action */ MSG_SIMPLE_Q_TAG, 2884 /* scsi_page_fmt */ 1, 2885 /* save_pages */ 0, 2886 /* param_buf */ data->mode_buf, 2887 /* param_len */ param_len, 2888 /* minimum_cmd_size */ cdb_size, 2889 /* sense_len */ SSD_FULL_SIZE, 2890 /* timeout */ 50000); 2891 2892 /* See comments in cdgetmode() and cd6byteworkaround(). */ 2893 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2894 2895 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2896 /*sense_flags*/SF_RETRY_UA); 2897 2898 xpt_release_ccb(ccb); 2899 2900 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2901 2902 return (error); 2903 } 2904 2905 2906 static int 2907 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2908 { 2909 struct ccb_scsiio *csio; 2910 union ccb *ccb; 2911 int error; 2912 u_int8_t cdb_len; 2913 2914 error = 0; 2915 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2916 csio = &ccb->csio; 2917 /* 2918 * Use the smallest possible command to perform the operation. 2919 */ 2920 if ((len & 0xffff0000) == 0) { 2921 /* 2922 * We can fit in a 10 byte cdb. 2923 */ 2924 struct scsi_play_10 *scsi_cmd; 2925 2926 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2927 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2928 scsi_cmd->op_code = PLAY_10; 2929 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2930 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2931 cdb_len = sizeof(*scsi_cmd); 2932 } else { 2933 struct scsi_play_12 *scsi_cmd; 2934 2935 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2936 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2937 scsi_cmd->op_code = PLAY_12; 2938 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2939 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2940 cdb_len = sizeof(*scsi_cmd); 2941 } 2942 cam_fill_csio(csio, 2943 /*retries*/ cd_retry_count, 2944 cddone, 2945 /*flags*/CAM_DIR_NONE, 2946 MSG_SIMPLE_Q_TAG, 2947 /*dataptr*/NULL, 2948 /*datalen*/0, 2949 /*sense_len*/SSD_FULL_SIZE, 2950 cdb_len, 2951 /*timeout*/50 * 1000); 2952 2953 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2954 /*sense_flags*/SF_RETRY_UA); 2955 2956 xpt_release_ccb(ccb); 2957 2958 return(error); 2959 } 2960 2961 static int 2962 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2963 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2964 { 2965 struct scsi_play_msf *scsi_cmd; 2966 struct ccb_scsiio *csio; 2967 union ccb *ccb; 2968 int error; 2969 2970 error = 0; 2971 2972 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2973 2974 csio = &ccb->csio; 2975 2976 cam_fill_csio(csio, 2977 /* retries */ cd_retry_count, 2978 /* cbfcnp */ cddone, 2979 /* flags */ CAM_DIR_NONE, 2980 /* tag_action */ MSG_SIMPLE_Q_TAG, 2981 /* data_ptr */ NULL, 2982 /* dxfer_len */ 0, 2983 /* sense_len */ SSD_FULL_SIZE, 2984 sizeof(struct scsi_play_msf), 2985 /* timeout */ 50000); 2986 2987 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2988 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2989 2990 scsi_cmd->op_code = PLAY_MSF; 2991 scsi_cmd->start_m = startm; 2992 scsi_cmd->start_s = starts; 2993 scsi_cmd->start_f = startf; 2994 scsi_cmd->end_m = endm; 2995 scsi_cmd->end_s = ends; 2996 scsi_cmd->end_f = endf; 2997 2998 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2999 /*sense_flags*/SF_RETRY_UA); 3000 3001 xpt_release_ccb(ccb); 3002 3003 return(error); 3004 } 3005 3006 3007 static int 3008 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3009 u_int32_t etrack, u_int32_t eindex) 3010 { 3011 struct scsi_play_track *scsi_cmd; 3012 struct ccb_scsiio *csio; 3013 union ccb *ccb; 3014 int error; 3015 3016 error = 0; 3017 3018 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3019 3020 csio = &ccb->csio; 3021 3022 cam_fill_csio(csio, 3023 /* retries */ cd_retry_count, 3024 /* cbfcnp */ cddone, 3025 /* flags */ CAM_DIR_NONE, 3026 /* tag_action */ MSG_SIMPLE_Q_TAG, 3027 /* data_ptr */ NULL, 3028 /* dxfer_len */ 0, 3029 /* sense_len */ SSD_FULL_SIZE, 3030 sizeof(struct scsi_play_track), 3031 /* timeout */ 50000); 3032 3033 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3034 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3035 3036 scsi_cmd->op_code = PLAY_TRACK; 3037 scsi_cmd->start_track = strack; 3038 scsi_cmd->start_index = sindex; 3039 scsi_cmd->end_track = etrack; 3040 scsi_cmd->end_index = eindex; 3041 3042 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3043 /*sense_flags*/SF_RETRY_UA); 3044 3045 xpt_release_ccb(ccb); 3046 3047 return(error); 3048 } 3049 3050 static int 3051 cdpause(struct cam_periph *periph, u_int32_t go) 3052 { 3053 struct scsi_pause *scsi_cmd; 3054 struct ccb_scsiio *csio; 3055 union ccb *ccb; 3056 int error; 3057 3058 error = 0; 3059 3060 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3061 3062 csio = &ccb->csio; 3063 3064 cam_fill_csio(csio, 3065 /* retries */ cd_retry_count, 3066 /* cbfcnp */ cddone, 3067 /* flags */ CAM_DIR_NONE, 3068 /* tag_action */ MSG_SIMPLE_Q_TAG, 3069 /* data_ptr */ NULL, 3070 /* dxfer_len */ 0, 3071 /* sense_len */ SSD_FULL_SIZE, 3072 sizeof(struct scsi_pause), 3073 /* timeout */ 50000); 3074 3075 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3076 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3077 3078 scsi_cmd->op_code = PAUSE; 3079 scsi_cmd->resume = go; 3080 3081 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3082 /*sense_flags*/SF_RETRY_UA); 3083 3084 xpt_release_ccb(ccb); 3085 3086 return(error); 3087 } 3088 3089 static int 3090 cdstartunit(struct cam_periph *periph, int load) 3091 { 3092 union ccb *ccb; 3093 int error; 3094 3095 error = 0; 3096 3097 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3098 3099 scsi_start_stop(&ccb->csio, 3100 /* retries */ cd_retry_count, 3101 /* cbfcnp */ cddone, 3102 /* tag_action */ MSG_SIMPLE_Q_TAG, 3103 /* start */ TRUE, 3104 /* load_eject */ load, 3105 /* immediate */ FALSE, 3106 /* sense_len */ SSD_FULL_SIZE, 3107 /* timeout */ 50000); 3108 3109 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3110 /*sense_flags*/SF_RETRY_UA); 3111 3112 xpt_release_ccb(ccb); 3113 3114 return(error); 3115 } 3116 3117 static int 3118 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3119 { 3120 union ccb *ccb; 3121 int error; 3122 3123 error = 0; 3124 3125 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3126 3127 scsi_start_stop(&ccb->csio, 3128 /* retries */ cd_retry_count, 3129 /* cbfcnp */ cddone, 3130 /* tag_action */ MSG_SIMPLE_Q_TAG, 3131 /* start */ FALSE, 3132 /* load_eject */ eject, 3133 /* immediate */ FALSE, 3134 /* sense_len */ SSD_FULL_SIZE, 3135 /* timeout */ 50000); 3136 3137 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3138 /*sense_flags*/SF_RETRY_UA); 3139 3140 xpt_release_ccb(ccb); 3141 3142 return(error); 3143 } 3144 3145 static int 3146 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3147 { 3148 struct scsi_set_speed *scsi_cmd; 3149 struct ccb_scsiio *csio; 3150 union ccb *ccb; 3151 int error; 3152 3153 error = 0; 3154 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3155 csio = &ccb->csio; 3156 3157 /* Preserve old behavior: units in multiples of CDROM speed */ 3158 if (rdspeed < 177) 3159 rdspeed *= 177; 3160 if (wrspeed < 177) 3161 wrspeed *= 177; 3162 3163 cam_fill_csio(csio, 3164 /* retries */ cd_retry_count, 3165 /* cbfcnp */ cddone, 3166 /* flags */ CAM_DIR_NONE, 3167 /* tag_action */ MSG_SIMPLE_Q_TAG, 3168 /* data_ptr */ NULL, 3169 /* dxfer_len */ 0, 3170 /* sense_len */ SSD_FULL_SIZE, 3171 sizeof(struct scsi_set_speed), 3172 /* timeout */ 50000); 3173 3174 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3175 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3176 3177 scsi_cmd->opcode = SET_CD_SPEED; 3178 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3179 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3180 3181 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3182 /*sense_flags*/SF_RETRY_UA); 3183 3184 xpt_release_ccb(ccb); 3185 3186 return(error); 3187 } 3188 3189 static int 3190 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3191 { 3192 union ccb *ccb; 3193 u_int8_t *databuf; 3194 u_int32_t lba; 3195 int error; 3196 int length; 3197 3198 error = 0; 3199 databuf = NULL; 3200 lba = 0; 3201 3202 switch (authinfo->format) { 3203 case DVD_REPORT_AGID: 3204 length = sizeof(struct scsi_report_key_data_agid); 3205 break; 3206 case DVD_REPORT_CHALLENGE: 3207 length = sizeof(struct scsi_report_key_data_challenge); 3208 break; 3209 case DVD_REPORT_KEY1: 3210 length = sizeof(struct scsi_report_key_data_key1_key2); 3211 break; 3212 case DVD_REPORT_TITLE_KEY: 3213 length = sizeof(struct scsi_report_key_data_title); 3214 /* The lba field is only set for the title key */ 3215 lba = authinfo->lba; 3216 break; 3217 case DVD_REPORT_ASF: 3218 length = sizeof(struct scsi_report_key_data_asf); 3219 break; 3220 case DVD_REPORT_RPC: 3221 length = sizeof(struct scsi_report_key_data_rpc); 3222 break; 3223 case DVD_INVALIDATE_AGID: 3224 length = 0; 3225 break; 3226 default: 3227 return (EINVAL); 3228 } 3229 3230 if (length != 0) { 3231 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3232 } else 3233 databuf = NULL; 3234 3235 cam_periph_lock(periph); 3236 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3237 3238 scsi_report_key(&ccb->csio, 3239 /* retries */ cd_retry_count, 3240 /* cbfcnp */ cddone, 3241 /* tag_action */ MSG_SIMPLE_Q_TAG, 3242 /* lba */ lba, 3243 /* agid */ authinfo->agid, 3244 /* key_format */ authinfo->format, 3245 /* data_ptr */ databuf, 3246 /* dxfer_len */ length, 3247 /* sense_len */ SSD_FULL_SIZE, 3248 /* timeout */ 50000); 3249 3250 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3251 /*sense_flags*/SF_RETRY_UA); 3252 3253 if (error != 0) 3254 goto bailout; 3255 3256 if (ccb->csio.resid != 0) { 3257 xpt_print(periph->path, "warning, residual for report key " 3258 "command is %d\n", ccb->csio.resid); 3259 } 3260 3261 switch(authinfo->format) { 3262 case DVD_REPORT_AGID: { 3263 struct scsi_report_key_data_agid *agid_data; 3264 3265 agid_data = (struct scsi_report_key_data_agid *)databuf; 3266 3267 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3268 RKD_AGID_SHIFT; 3269 break; 3270 } 3271 case DVD_REPORT_CHALLENGE: { 3272 struct scsi_report_key_data_challenge *chal_data; 3273 3274 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3275 3276 bcopy(chal_data->challenge_key, authinfo->keychal, 3277 min(sizeof(chal_data->challenge_key), 3278 sizeof(authinfo->keychal))); 3279 break; 3280 } 3281 case DVD_REPORT_KEY1: { 3282 struct scsi_report_key_data_key1_key2 *key1_data; 3283 3284 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3285 3286 bcopy(key1_data->key1, authinfo->keychal, 3287 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3288 break; 3289 } 3290 case DVD_REPORT_TITLE_KEY: { 3291 struct scsi_report_key_data_title *title_data; 3292 3293 title_data = (struct scsi_report_key_data_title *)databuf; 3294 3295 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3296 RKD_TITLE_CPM_SHIFT; 3297 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3298 RKD_TITLE_CP_SEC_SHIFT; 3299 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3300 RKD_TITLE_CMGS_SHIFT; 3301 bcopy(title_data->title_key, authinfo->keychal, 3302 min(sizeof(title_data->title_key), 3303 sizeof(authinfo->keychal))); 3304 break; 3305 } 3306 case DVD_REPORT_ASF: { 3307 struct scsi_report_key_data_asf *asf_data; 3308 3309 asf_data = (struct scsi_report_key_data_asf *)databuf; 3310 3311 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3312 break; 3313 } 3314 case DVD_REPORT_RPC: { 3315 struct scsi_report_key_data_rpc *rpc_data; 3316 3317 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3318 3319 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3320 RKD_RPC_TYPE_SHIFT; 3321 authinfo->vend_rsts = 3322 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3323 RKD_RPC_VENDOR_RESET_SHIFT; 3324 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3325 authinfo->region = rpc_data->region_mask; 3326 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3327 break; 3328 } 3329 case DVD_INVALIDATE_AGID: 3330 break; 3331 default: 3332 /* This should be impossible, since we checked above */ 3333 error = EINVAL; 3334 goto bailout; 3335 break; /* NOTREACHED */ 3336 } 3337 3338 bailout: 3339 xpt_release_ccb(ccb); 3340 cam_periph_unlock(periph); 3341 3342 if (databuf != NULL) 3343 free(databuf, M_DEVBUF); 3344 3345 return(error); 3346 } 3347 3348 static int 3349 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3350 { 3351 union ccb *ccb; 3352 u_int8_t *databuf; 3353 int length; 3354 int error; 3355 3356 error = 0; 3357 databuf = NULL; 3358 3359 switch(authinfo->format) { 3360 case DVD_SEND_CHALLENGE: { 3361 struct scsi_report_key_data_challenge *challenge_data; 3362 3363 length = sizeof(*challenge_data); 3364 3365 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3366 3367 databuf = (u_int8_t *)challenge_data; 3368 3369 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3370 challenge_data->data_len); 3371 3372 bcopy(authinfo->keychal, challenge_data->challenge_key, 3373 min(sizeof(authinfo->keychal), 3374 sizeof(challenge_data->challenge_key))); 3375 break; 3376 } 3377 case DVD_SEND_KEY2: { 3378 struct scsi_report_key_data_key1_key2 *key2_data; 3379 3380 length = sizeof(*key2_data); 3381 3382 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3383 3384 databuf = (u_int8_t *)key2_data; 3385 3386 scsi_ulto2b(length - sizeof(key2_data->data_len), 3387 key2_data->data_len); 3388 3389 bcopy(authinfo->keychal, key2_data->key1, 3390 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3391 3392 break; 3393 } 3394 case DVD_SEND_RPC: { 3395 struct scsi_send_key_data_rpc *rpc_data; 3396 3397 length = sizeof(*rpc_data); 3398 3399 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3400 3401 databuf = (u_int8_t *)rpc_data; 3402 3403 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3404 rpc_data->data_len); 3405 3406 rpc_data->region_code = authinfo->region; 3407 break; 3408 } 3409 default: 3410 return (EINVAL); 3411 } 3412 3413 cam_periph_lock(periph); 3414 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3415 3416 scsi_send_key(&ccb->csio, 3417 /* retries */ cd_retry_count, 3418 /* cbfcnp */ cddone, 3419 /* tag_action */ MSG_SIMPLE_Q_TAG, 3420 /* agid */ authinfo->agid, 3421 /* key_format */ authinfo->format, 3422 /* data_ptr */ databuf, 3423 /* dxfer_len */ length, 3424 /* sense_len */ SSD_FULL_SIZE, 3425 /* timeout */ 50000); 3426 3427 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3428 /*sense_flags*/SF_RETRY_UA); 3429 3430 xpt_release_ccb(ccb); 3431 cam_periph_unlock(periph); 3432 3433 if (databuf != NULL) 3434 free(databuf, M_DEVBUF); 3435 3436 return(error); 3437 } 3438 3439 static int 3440 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3441 { 3442 union ccb *ccb; 3443 u_int8_t *databuf; 3444 u_int32_t address; 3445 int error; 3446 int length; 3447 3448 error = 0; 3449 databuf = NULL; 3450 /* The address is reserved for many of the formats */ 3451 address = 0; 3452 3453 switch(dvdstruct->format) { 3454 case DVD_STRUCT_PHYSICAL: 3455 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3456 break; 3457 case DVD_STRUCT_COPYRIGHT: 3458 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3459 break; 3460 case DVD_STRUCT_DISCKEY: 3461 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3462 break; 3463 case DVD_STRUCT_BCA: 3464 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3465 break; 3466 case DVD_STRUCT_MANUFACT: 3467 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3468 break; 3469 case DVD_STRUCT_CMI: 3470 return (ENODEV); 3471 case DVD_STRUCT_PROTDISCID: 3472 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3473 break; 3474 case DVD_STRUCT_DISCKEYBLOCK: 3475 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3476 break; 3477 case DVD_STRUCT_DDS: 3478 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3479 break; 3480 case DVD_STRUCT_MEDIUM_STAT: 3481 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3482 break; 3483 case DVD_STRUCT_SPARE_AREA: 3484 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3485 break; 3486 case DVD_STRUCT_RMD_LAST: 3487 return (ENODEV); 3488 case DVD_STRUCT_RMD_RMA: 3489 return (ENODEV); 3490 case DVD_STRUCT_PRERECORDED: 3491 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3492 break; 3493 case DVD_STRUCT_UNIQUEID: 3494 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3495 break; 3496 case DVD_STRUCT_DCB: 3497 return (ENODEV); 3498 case DVD_STRUCT_LIST: 3499 /* 3500 * This is the maximum allocation length for the READ DVD 3501 * STRUCTURE command. There's nothing in the MMC3 spec 3502 * that indicates a limit in the amount of data that can 3503 * be returned from this call, other than the limits 3504 * imposed by the 2-byte length variables. 3505 */ 3506 length = 65535; 3507 break; 3508 default: 3509 return (EINVAL); 3510 } 3511 3512 if (length != 0) { 3513 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3514 } else 3515 databuf = NULL; 3516 3517 cam_periph_lock(periph); 3518 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3519 3520 scsi_read_dvd_structure(&ccb->csio, 3521 /* retries */ cd_retry_count, 3522 /* cbfcnp */ cddone, 3523 /* tag_action */ MSG_SIMPLE_Q_TAG, 3524 /* lba */ address, 3525 /* layer_number */ dvdstruct->layer_num, 3526 /* key_format */ dvdstruct->format, 3527 /* agid */ dvdstruct->agid, 3528 /* data_ptr */ databuf, 3529 /* dxfer_len */ length, 3530 /* sense_len */ SSD_FULL_SIZE, 3531 /* timeout */ 50000); 3532 3533 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3534 /*sense_flags*/SF_RETRY_UA); 3535 3536 if (error != 0) 3537 goto bailout; 3538 3539 switch(dvdstruct->format) { 3540 case DVD_STRUCT_PHYSICAL: { 3541 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3542 struct dvd_layer *outlayer; 3543 struct scsi_read_dvd_struct_data_physical *phys_data; 3544 3545 phys_data = 3546 (struct scsi_read_dvd_struct_data_physical *)databuf; 3547 inlayer = &phys_data->layer_desc; 3548 outlayer = (struct dvd_layer *)&dvdstruct->data; 3549 3550 dvdstruct->length = sizeof(*inlayer); 3551 3552 outlayer->book_type = (inlayer->book_type_version & 3553 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3554 outlayer->book_version = (inlayer->book_type_version & 3555 RDSD_BOOK_VERSION_MASK); 3556 outlayer->disc_size = (inlayer->disc_size_max_rate & 3557 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3558 outlayer->max_rate = (inlayer->disc_size_max_rate & 3559 RDSD_MAX_RATE_MASK); 3560 outlayer->nlayers = (inlayer->layer_info & 3561 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3562 outlayer->track_path = (inlayer->layer_info & 3563 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3564 outlayer->layer_type = (inlayer->layer_info & 3565 RDSD_LAYER_TYPE_MASK); 3566 outlayer->linear_density = (inlayer->density & 3567 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3568 outlayer->track_density = (inlayer->density & 3569 RDSD_TRACK_DENSITY_MASK); 3570 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3571 RDSD_BCA_SHIFT; 3572 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3573 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3574 outlayer->end_sector_l0 = 3575 scsi_3btoul(inlayer->end_sector_layer0); 3576 break; 3577 } 3578 case DVD_STRUCT_COPYRIGHT: { 3579 struct scsi_read_dvd_struct_data_copyright *copy_data; 3580 3581 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3582 databuf; 3583 3584 dvdstruct->cpst = copy_data->cps_type; 3585 dvdstruct->rmi = copy_data->region_info; 3586 dvdstruct->length = 0; 3587 3588 break; 3589 } 3590 default: 3591 /* 3592 * Tell the user what the overall length is, no matter 3593 * what we can actually fit in the data buffer. 3594 */ 3595 dvdstruct->length = length - ccb->csio.resid - 3596 sizeof(struct scsi_read_dvd_struct_data_header); 3597 3598 /* 3599 * But only actually copy out the smaller of what we read 3600 * in or what the structure can take. 3601 */ 3602 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3603 dvdstruct->data, 3604 min(sizeof(dvdstruct->data), dvdstruct->length)); 3605 break; 3606 } 3607 3608 bailout: 3609 xpt_release_ccb(ccb); 3610 cam_periph_unlock(periph); 3611 3612 if (databuf != NULL) 3613 free(databuf, M_DEVBUF); 3614 3615 return(error); 3616 } 3617 3618 void 3619 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3620 void (*cbfcnp)(struct cam_periph *, union ccb *), 3621 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3622 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3623 u_int8_t sense_len, u_int32_t timeout) 3624 { 3625 struct scsi_report_key *scsi_cmd; 3626 3627 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3628 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3629 scsi_cmd->opcode = REPORT_KEY; 3630 scsi_ulto4b(lba, scsi_cmd->lba); 3631 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3632 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3633 (key_format & RK_KF_KEYFORMAT_MASK); 3634 3635 cam_fill_csio(csio, 3636 retries, 3637 cbfcnp, 3638 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3639 tag_action, 3640 /*data_ptr*/ data_ptr, 3641 /*dxfer_len*/ dxfer_len, 3642 sense_len, 3643 sizeof(*scsi_cmd), 3644 timeout); 3645 } 3646 3647 void 3648 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3649 void (*cbfcnp)(struct cam_periph *, union ccb *), 3650 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3651 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3652 u_int32_t timeout) 3653 { 3654 struct scsi_send_key *scsi_cmd; 3655 3656 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3657 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3658 scsi_cmd->opcode = SEND_KEY; 3659 3660 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3661 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3662 (key_format & RK_KF_KEYFORMAT_MASK); 3663 3664 cam_fill_csio(csio, 3665 retries, 3666 cbfcnp, 3667 /*flags*/ CAM_DIR_OUT, 3668 tag_action, 3669 /*data_ptr*/ data_ptr, 3670 /*dxfer_len*/ dxfer_len, 3671 sense_len, 3672 sizeof(*scsi_cmd), 3673 timeout); 3674 } 3675 3676 3677 void 3678 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3679 void (*cbfcnp)(struct cam_periph *, union ccb *), 3680 u_int8_t tag_action, u_int32_t address, 3681 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3682 u_int8_t *data_ptr, u_int32_t dxfer_len, 3683 u_int8_t sense_len, u_int32_t timeout) 3684 { 3685 struct scsi_read_dvd_structure *scsi_cmd; 3686 3687 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3688 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3689 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3690 3691 scsi_ulto4b(address, scsi_cmd->address); 3692 scsi_cmd->layer_number = layer_number; 3693 scsi_cmd->format = format; 3694 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3695 /* The AGID is the top two bits of this byte */ 3696 scsi_cmd->agid = agid << 6; 3697 3698 cam_fill_csio(csio, 3699 retries, 3700 cbfcnp, 3701 /*flags*/ CAM_DIR_IN, 3702 tag_action, 3703 /*data_ptr*/ data_ptr, 3704 /*dxfer_len*/ dxfer_len, 3705 sense_len, 3706 sizeof(*scsi_cmd), 3707 timeout); 3708 }
Cache object: a5ca3a544689b563940585f853111a4f
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