1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /*- 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include <sys/cdefs.h> 51 __FBSDID("$FreeBSD$"); 52 53 #include "opt_cd.h" 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/bio.h> 59 #include <sys/conf.h> 60 #include <sys/disk.h> 61 #include <sys/malloc.h> 62 #include <sys/cdio.h> 63 #include <sys/cdrio.h> 64 #include <sys/dvdio.h> 65 #include <sys/devicestat.h> 66 #include <sys/sbuf.h> 67 #include <sys/sysctl.h> 68 #include <sys/taskqueue.h> 69 #include <geom/geom_disk.h> 70 71 #include <cam/cam.h> 72 #include <cam/cam_ccb.h> 73 #include <cam/cam_periph.h> 74 #include <cam/cam_xpt_periph.h> 75 #include <cam/cam_queue.h> 76 #include <cam/cam_sim.h> 77 78 #include <cam/scsi/scsi_message.h> 79 #include <cam/scsi/scsi_da.h> 80 #include <cam/scsi/scsi_cd.h> 81 82 #define LEADOUT 0xaa /* leadout toc entry */ 83 84 struct cd_params { 85 u_int32_t blksize; 86 u_long disksize; 87 }; 88 89 typedef enum { 90 CD_Q_NONE = 0x00, 91 CD_Q_NO_TOUCH = 0x01, 92 CD_Q_BCD_TRACKS = 0x02, 93 CD_Q_10_BYTE_ONLY = 0x10, 94 CD_Q_RETRY_BUSY = 0x40 95 } cd_quirks; 96 97 #define CD_Q_BIT_STRING \ 98 "\020" \ 99 "\001NO_TOUCH" \ 100 "\002BCD_TRACKS" \ 101 "\00510_BYTE_ONLY" \ 102 "\007RETRY_BUSY" 103 104 typedef enum { 105 CD_FLAG_INVALID = 0x0001, 106 CD_FLAG_NEW_DISC = 0x0002, 107 CD_FLAG_DISC_LOCKED = 0x0004, 108 CD_FLAG_DISC_REMOVABLE = 0x0008, 109 CD_FLAG_SAW_MEDIA = 0x0010, 110 CD_FLAG_ACTIVE = 0x0080, 111 CD_FLAG_SCHED_ON_COMP = 0x0100, 112 CD_FLAG_RETRY_UA = 0x0200, 113 CD_FLAG_VALID_MEDIA = 0x0400, 114 CD_FLAG_VALID_TOC = 0x0800, 115 CD_FLAG_SCTX_INIT = 0x1000 116 } cd_flags; 117 118 typedef enum { 119 CD_CCB_PROBE = 0x01, 120 CD_CCB_BUFFER_IO = 0x02, 121 CD_CCB_TUR = 0x04, 122 CD_CCB_TYPE_MASK = 0x0F, 123 CD_CCB_RETRY_UA = 0x10 124 } cd_ccb_state; 125 126 #define ccb_state ppriv_field0 127 #define ccb_bp ppriv_ptr1 128 129 struct cd_tocdata { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entries[100]; 132 }; 133 134 struct cd_toc_single { 135 struct ioc_toc_header header; 136 struct cd_toc_entry entry; 137 }; 138 139 typedef enum { 140 CD_STATE_PROBE, 141 CD_STATE_NORMAL 142 } cd_state; 143 144 struct cd_softc { 145 cam_pinfo pinfo; 146 cd_state state; 147 volatile cd_flags flags; 148 struct bio_queue_head bio_queue; 149 LIST_HEAD(, ccb_hdr) pending_ccbs; 150 struct cd_params params; 151 union ccb saved_ccb; 152 cd_quirks quirks; 153 struct cam_periph *periph; 154 int minimum_command_size; 155 int outstanding_cmds; 156 int tur; 157 struct task sysctl_task; 158 struct sysctl_ctx_list sysctl_ctx; 159 struct sysctl_oid *sysctl_tree; 160 STAILQ_HEAD(, cd_mode_params) mode_queue; 161 struct cd_tocdata toc; 162 struct disk *disk; 163 struct callout mediapoll_c; 164 165 #define CD_ANNOUNCETMP_SZ 120 166 char announce_temp[CD_ANNOUNCETMP_SZ]; 167 #define CD_ANNOUNCE_SZ 400 168 char announce_buf[CD_ANNOUNCE_SZ]; 169 }; 170 171 struct cd_page_sizes { 172 int page; 173 int page_size; 174 }; 175 176 static struct cd_page_sizes cd_page_size_table[] = 177 { 178 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 179 }; 180 181 struct cd_quirk_entry { 182 struct scsi_inquiry_pattern inq_pat; 183 cd_quirks quirks; 184 }; 185 186 /* 187 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 188 * your device hangs when it gets a 10 byte command. Adding a quirk just 189 * to get rid of the informative diagnostic message is not acceptable. All 190 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 191 * referenced in a comment along with the quirk) , and must be approved by 192 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 193 * be removed until the submitter can explain why they are needed. 194 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 195 * when the CAM_NEW_TRAN_CODE work is done. 196 */ 197 static struct cd_quirk_entry cd_quirk_table[] = 198 { 199 { 200 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 201 /* quirks */ CD_Q_BCD_TRACKS 202 }, 203 { 204 /* 205 * VMware returns BUSY status when storage has transient 206 * connectivity problems, so better wait. 207 */ 208 {T_CDROM, SIP_MEDIA_REMOVABLE, "NECVMWar", "VMware IDE CDR10", "*"}, 209 /*quirks*/ CD_Q_RETRY_BUSY 210 } 211 }; 212 213 static disk_open_t cdopen; 214 static disk_close_t cdclose; 215 static disk_ioctl_t cdioctl; 216 static disk_strategy_t cdstrategy; 217 218 static periph_init_t cdinit; 219 static periph_ctor_t cdregister; 220 static periph_dtor_t cdcleanup; 221 static periph_start_t cdstart; 222 static periph_oninv_t cdoninvalidate; 223 static void cdasync(void *callback_arg, u_int32_t code, 224 struct cam_path *path, void *arg); 225 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 226 static int cdrunccb(union ccb *ccb, 227 int (*error_routine)(union ccb *ccb, 228 u_int32_t cam_flags, 229 u_int32_t sense_flags), 230 u_int32_t cam_flags, u_int32_t sense_flags); 231 static void cddone(struct cam_periph *periph, 232 union ccb *start_ccb); 233 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 234 static int cdgetpagesize(int page_num); 235 static void cdprevent(struct cam_periph *periph, int action); 236 static int cdcheckmedia(struct cam_periph *periph); 237 static int cdsize(struct cam_periph *periph, u_int32_t *size); 238 static int cd6byteworkaround(union ccb *ccb); 239 static int cderror(union ccb *ccb, u_int32_t cam_flags, 240 u_int32_t sense_flags); 241 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 242 u_int32_t start, u_int8_t *data, 243 u_int32_t len, u_int32_t sense_flags); 244 static int cdgetmode(struct cam_periph *periph, 245 struct cd_mode_params *data, u_int32_t page); 246 static int cdsetmode(struct cam_periph *periph, 247 struct cd_mode_params *data); 248 static int cdplay(struct cam_periph *periph, u_int32_t blk, 249 u_int32_t len); 250 static int cdreadsubchannel(struct cam_periph *periph, 251 u_int32_t mode, u_int32_t format, 252 int track, 253 struct cd_sub_channel_info *data, 254 u_int32_t len); 255 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 256 u_int32_t starts, u_int32_t startf, 257 u_int32_t endm, u_int32_t ends, 258 u_int32_t endf); 259 static int cdplaytracks(struct cam_periph *periph, 260 u_int32_t strack, u_int32_t sindex, 261 u_int32_t etrack, u_int32_t eindex); 262 static int cdpause(struct cam_periph *periph, u_int32_t go); 263 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 264 static int cdstartunit(struct cam_periph *periph, int load); 265 static int cdsetspeed(struct cam_periph *periph, 266 u_int32_t rdspeed, u_int32_t wrspeed); 267 static int cdreportkey(struct cam_periph *periph, 268 struct dvd_authinfo *authinfo); 269 static int cdsendkey(struct cam_periph *periph, 270 struct dvd_authinfo *authinfo); 271 static int cdreaddvdstructure(struct cam_periph *periph, 272 struct dvd_struct *dvdstruct); 273 static timeout_t cdmediapoll; 274 275 static struct periph_driver cddriver = 276 { 277 cdinit, "cd", 278 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 279 }; 280 281 PERIPHDRIVER_DECLARE(cd, cddriver); 282 283 #ifndef CD_DEFAULT_POLL_PERIOD 284 #define CD_DEFAULT_POLL_PERIOD 3 285 #endif 286 #ifndef CD_DEFAULT_RETRY 287 #define CD_DEFAULT_RETRY 4 288 #endif 289 #ifndef CD_DEFAULT_TIMEOUT 290 #define CD_DEFAULT_TIMEOUT 30000 291 #endif 292 293 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; 294 static int cd_retry_count = CD_DEFAULT_RETRY; 295 static int cd_timeout = CD_DEFAULT_TIMEOUT; 296 297 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 298 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RWTUN, 299 &cd_poll_period, 0, "Media polling period in seconds"); 300 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RWTUN, 301 &cd_retry_count, 0, "Normal I/O retry count"); 302 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RWTUN, 303 &cd_timeout, 0, "Timeout, in us, for read operations"); 304 305 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 306 307 static void 308 cdinit(void) 309 { 310 cam_status status; 311 312 /* 313 * Install a global async callback. This callback will 314 * receive async callbacks like "new device found". 315 */ 316 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 317 318 if (status != CAM_REQ_CMP) { 319 printf("cd: Failed to attach master async callback " 320 "due to status 0x%x!\n", status); 321 } 322 } 323 324 /* 325 * Callback from GEOM, called when it has finished cleaning up its 326 * resources. 327 */ 328 static void 329 cddiskgonecb(struct disk *dp) 330 { 331 struct cam_periph *periph; 332 333 periph = (struct cam_periph *)dp->d_drv1; 334 cam_periph_release(periph); 335 } 336 337 static void 338 cdoninvalidate(struct cam_periph *periph) 339 { 340 struct cd_softc *softc; 341 342 softc = (struct cd_softc *)periph->softc; 343 344 /* 345 * De-register any async callbacks. 346 */ 347 xpt_register_async(0, cdasync, periph, periph->path); 348 349 softc->flags |= CD_FLAG_INVALID; 350 351 /* 352 * Return all queued I/O with ENXIO. 353 * XXX Handle any transactions queued to the card 354 * with XPT_ABORT_CCB. 355 */ 356 bioq_flush(&softc->bio_queue, NULL, ENXIO); 357 358 disk_gone(softc->disk); 359 } 360 361 static void 362 cdcleanup(struct cam_periph *periph) 363 { 364 struct cd_softc *softc; 365 366 softc = (struct cd_softc *)periph->softc; 367 368 cam_periph_unlock(periph); 369 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 370 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 371 xpt_print(periph->path, "can't remove sysctl context\n"); 372 } 373 374 callout_drain(&softc->mediapoll_c); 375 disk_destroy(softc->disk); 376 free(softc, M_DEVBUF); 377 cam_periph_lock(periph); 378 } 379 380 static void 381 cdasync(void *callback_arg, u_int32_t code, 382 struct cam_path *path, void *arg) 383 { 384 struct cam_periph *periph; 385 struct cd_softc *softc; 386 387 periph = (struct cam_periph *)callback_arg; 388 switch (code) { 389 case AC_FOUND_DEVICE: 390 { 391 struct ccb_getdev *cgd; 392 cam_status status; 393 394 cgd = (struct ccb_getdev *)arg; 395 if (cgd == NULL) 396 break; 397 398 if (cgd->protocol != PROTO_SCSI) 399 break; 400 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED) 401 break; 402 if (SID_TYPE(&cgd->inq_data) != T_CDROM 403 && SID_TYPE(&cgd->inq_data) != T_WORM) 404 break; 405 406 /* 407 * Allocate a peripheral instance for 408 * this device and start the probe 409 * process. 410 */ 411 status = cam_periph_alloc(cdregister, cdoninvalidate, 412 cdcleanup, cdstart, 413 "cd", CAM_PERIPH_BIO, 414 path, cdasync, 415 AC_FOUND_DEVICE, cgd); 416 417 if (status != CAM_REQ_CMP 418 && status != CAM_REQ_INPROG) 419 printf("cdasync: Unable to attach new device " 420 "due to status 0x%x\n", status); 421 422 break; 423 } 424 case AC_UNIT_ATTENTION: 425 { 426 union ccb *ccb; 427 int error_code, sense_key, asc, ascq; 428 429 softc = (struct cd_softc *)periph->softc; 430 ccb = (union ccb *)arg; 431 432 /* 433 * Handle all media change UNIT ATTENTIONs except 434 * our own, as they will be handled by cderror(). 435 */ 436 if (xpt_path_periph(ccb->ccb_h.path) != periph && 437 scsi_extract_sense_ccb(ccb, 438 &error_code, &sense_key, &asc, &ascq)) { 439 if (asc == 0x28 && ascq == 0x00) 440 disk_media_changed(softc->disk, M_NOWAIT); 441 } 442 cam_periph_async(periph, code, path, arg); 443 break; 444 } 445 case AC_SCSI_AEN: 446 softc = (struct cd_softc *)periph->softc; 447 if (softc->state == CD_STATE_NORMAL && !softc->tur) { 448 if (cam_periph_acquire(periph) == 0) { 449 softc->tur = 1; 450 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 451 } 452 } 453 /* FALLTHROUGH */ 454 case AC_SENT_BDR: 455 case AC_BUS_RESET: 456 { 457 struct ccb_hdr *ccbh; 458 459 softc = (struct cd_softc *)periph->softc; 460 /* 461 * Don't fail on the expected unit attention 462 * that will occur. 463 */ 464 softc->flags |= CD_FLAG_RETRY_UA; 465 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 466 ccbh->ccb_state |= CD_CCB_RETRY_UA; 467 /* FALLTHROUGH */ 468 } 469 default: 470 cam_periph_async(periph, code, path, arg); 471 break; 472 } 473 } 474 475 static void 476 cdsysctlinit(void *context, int pending) 477 { 478 struct cam_periph *periph; 479 struct cd_softc *softc; 480 char tmpstr[32], tmpstr2[16]; 481 482 periph = (struct cam_periph *)context; 483 if (cam_periph_acquire(periph) != 0) 484 return; 485 486 softc = (struct cd_softc *)periph->softc; 487 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 488 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 489 490 sysctl_ctx_init(&softc->sysctl_ctx); 491 softc->flags |= CD_FLAG_SCTX_INIT; 492 softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx, 493 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 494 tmpstr2, CTLFLAG_RD, 0, tmpstr, "device_index"); 495 496 if (softc->sysctl_tree == NULL) { 497 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 498 cam_periph_release(periph); 499 return; 500 } 501 502 /* 503 * Now register the sysctl handler, so the user can the value on 504 * the fly. 505 */ 506 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 507 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 508 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 509 "Minimum CDB size"); 510 511 cam_periph_release(periph); 512 } 513 514 /* 515 * We have a handler function for this so we can check the values when the 516 * user sets them, instead of every time we look at them. 517 */ 518 static int 519 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 520 { 521 int error, value; 522 523 value = *(int *)arg1; 524 525 error = sysctl_handle_int(oidp, &value, 0, req); 526 527 if ((error != 0) 528 || (req->newptr == NULL)) 529 return (error); 530 531 /* 532 * The only real values we can have here are 6 or 10. I don't 533 * really forsee having 12 be an option at any time in the future. 534 * So if the user sets something less than or equal to 6, we'll set 535 * it to 6. If he sets something greater than 6, we'll set it to 10. 536 * 537 * I suppose we could just return an error here for the wrong values, 538 * but I don't think it's necessary to do so, as long as we can 539 * determine the user's intent without too much trouble. 540 */ 541 if (value < 6) 542 value = 6; 543 else if (value > 6) 544 value = 10; 545 546 *(int *)arg1 = value; 547 548 return (0); 549 } 550 551 static cam_status 552 cdregister(struct cam_periph *periph, void *arg) 553 { 554 struct cd_softc *softc; 555 struct ccb_pathinq cpi; 556 struct ccb_getdev *cgd; 557 char tmpstr[80]; 558 caddr_t match; 559 560 cgd = (struct ccb_getdev *)arg; 561 if (cgd == NULL) { 562 printf("cdregister: no getdev CCB, can't register device\n"); 563 return(CAM_REQ_CMP_ERR); 564 } 565 566 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 567 M_NOWAIT | M_ZERO); 568 if (softc == NULL) { 569 printf("cdregister: Unable to probe new device. " 570 "Unable to allocate softc\n"); 571 return(CAM_REQ_CMP_ERR); 572 } 573 574 LIST_INIT(&softc->pending_ccbs); 575 STAILQ_INIT(&softc->mode_queue); 576 softc->state = CD_STATE_PROBE; 577 bioq_init(&softc->bio_queue); 578 if (SID_IS_REMOVABLE(&cgd->inq_data)) 579 softc->flags |= CD_FLAG_DISC_REMOVABLE; 580 581 periph->softc = softc; 582 softc->periph = periph; 583 584 /* 585 * See if this device has any quirks. 586 */ 587 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 588 (caddr_t)cd_quirk_table, 589 nitems(cd_quirk_table), 590 sizeof(*cd_quirk_table), scsi_inquiry_match); 591 592 if (match != NULL) 593 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 594 else 595 softc->quirks = CD_Q_NONE; 596 597 /* Check if the SIM does not want 6 byte commands */ 598 xpt_path_inq(&cpi, periph->path); 599 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 600 softc->quirks |= CD_Q_10_BYTE_ONLY; 601 602 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 603 604 /* The default is 6 byte commands, unless quirked otherwise */ 605 if (softc->quirks & CD_Q_10_BYTE_ONLY) 606 softc->minimum_command_size = 10; 607 else 608 softc->minimum_command_size = 6; 609 610 /* 611 * Refcount and block open attempts until we are setup 612 * Can't block 613 */ 614 (void)cam_periph_hold(periph, PRIBIO); 615 cam_periph_unlock(periph); 616 /* 617 * Load the user's default, if any. 618 */ 619 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 620 periph->unit_number); 621 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 622 623 /* 6 and 10 are the only permissible values here. */ 624 if (softc->minimum_command_size < 6) 625 softc->minimum_command_size = 6; 626 else if (softc->minimum_command_size > 6) 627 softc->minimum_command_size = 10; 628 629 /* 630 * We need to register the statistics structure for this device, 631 * but we don't have the blocksize yet for it. So, we register 632 * the structure and indicate that we don't have the blocksize 633 * yet. Unlike other SCSI peripheral drivers, we explicitly set 634 * the device type here to be CDROM, rather than just ORing in 635 * the device type. This is because this driver can attach to either 636 * CDROM or WORM devices, and we want this peripheral driver to 637 * show up in the devstat list as a CD peripheral driver, not a 638 * WORM peripheral driver. WORM drives will also have the WORM 639 * driver attached to them. 640 */ 641 softc->disk = disk_alloc(); 642 softc->disk->d_devstat = devstat_new_entry("cd", 643 periph->unit_number, 0, 644 DEVSTAT_BS_UNAVAILABLE, 645 DEVSTAT_TYPE_CDROM | 646 XPORT_DEVSTAT_TYPE(cpi.transport), 647 DEVSTAT_PRIORITY_CD); 648 softc->disk->d_open = cdopen; 649 softc->disk->d_close = cdclose; 650 softc->disk->d_strategy = cdstrategy; 651 softc->disk->d_gone = cddiskgonecb; 652 softc->disk->d_ioctl = cdioctl; 653 softc->disk->d_name = "cd"; 654 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 655 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 656 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 657 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 658 cgd->inq_data.product, sizeof(cgd->inq_data.product), 659 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 660 softc->disk->d_unit = periph->unit_number; 661 softc->disk->d_drv1 = periph; 662 if (cpi.maxio == 0) 663 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 664 else if (cpi.maxio > MAXPHYS) 665 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 666 else 667 softc->disk->d_maxsize = cpi.maxio; 668 softc->disk->d_flags = 0; 669 softc->disk->d_hba_vendor = cpi.hba_vendor; 670 softc->disk->d_hba_device = cpi.hba_device; 671 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 672 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 673 674 /* 675 * Acquire a reference to the periph before we register with GEOM. 676 * We'll release this reference once GEOM calls us back (via 677 * dadiskgonecb()) telling us that our provider has been freed. 678 */ 679 if (cam_periph_acquire(periph) != 0) { 680 xpt_print(periph->path, "%s: lost periph during " 681 "registration!\n", __func__); 682 cam_periph_lock(periph); 683 return (CAM_REQ_CMP_ERR); 684 } 685 686 disk_create(softc->disk, DISK_VERSION); 687 cam_periph_lock(periph); 688 689 /* 690 * Add an async callback so that we get 691 * notified if this device goes away. 692 */ 693 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 694 AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); 695 696 /* 697 * Schedule a periodic media polling events. 698 */ 699 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 700 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && 701 (cgd->inq_flags & SID_AEN) == 0 && 702 cd_poll_period != 0) 703 callout_reset(&softc->mediapoll_c, cd_poll_period * hz, 704 cdmediapoll, periph); 705 706 xpt_schedule(periph, CAM_PRIORITY_DEV); 707 return(CAM_REQ_CMP); 708 } 709 710 static int 711 cdopen(struct disk *dp) 712 { 713 struct cam_periph *periph; 714 struct cd_softc *softc; 715 int error; 716 717 periph = (struct cam_periph *)dp->d_drv1; 718 softc = (struct cd_softc *)periph->softc; 719 720 if (cam_periph_acquire(periph) != 0) 721 return(ENXIO); 722 723 cam_periph_lock(periph); 724 725 if (softc->flags & CD_FLAG_INVALID) { 726 cam_periph_release_locked(periph); 727 cam_periph_unlock(periph); 728 return(ENXIO); 729 } 730 731 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 732 cam_periph_release_locked(periph); 733 cam_periph_unlock(periph); 734 return (error); 735 } 736 737 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 738 ("cdopen\n")); 739 740 /* 741 * Check for media, and set the appropriate flags. We don't bail 742 * if we don't have media, but then we don't allow anything but the 743 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 744 */ 745 cdcheckmedia(periph); 746 747 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 748 cam_periph_unhold(periph); 749 750 cam_periph_unlock(periph); 751 752 return (0); 753 } 754 755 static int 756 cdclose(struct disk *dp) 757 { 758 struct cam_periph *periph; 759 struct cd_softc *softc; 760 761 periph = (struct cam_periph *)dp->d_drv1; 762 softc = (struct cd_softc *)periph->softc; 763 764 cam_periph_lock(periph); 765 if (cam_periph_hold(periph, PRIBIO) != 0) { 766 cam_periph_unlock(periph); 767 cam_periph_release(periph); 768 return (0); 769 } 770 771 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 772 ("cdclose\n")); 773 774 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 775 cdprevent(periph, PR_ALLOW); 776 777 /* 778 * Since we're closing this CD, mark the blocksize as unavailable. 779 * It will be marked as available when the CD is opened again. 780 */ 781 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 782 783 /* 784 * We'll check the media and toc again at the next open(). 785 */ 786 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 787 788 cam_periph_unhold(periph); 789 cam_periph_release_locked(periph); 790 cam_periph_unlock(periph); 791 792 return (0); 793 } 794 795 static int 796 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 797 u_int32_t cam_flags, 798 u_int32_t sense_flags), 799 u_int32_t cam_flags, u_int32_t sense_flags) 800 { 801 struct cd_softc *softc; 802 struct cam_periph *periph; 803 int error; 804 805 periph = xpt_path_periph(ccb->ccb_h.path); 806 softc = (struct cd_softc *)periph->softc; 807 808 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 809 softc->disk->d_devstat); 810 811 return(error); 812 } 813 814 /* 815 * Actually translate the requested transfer into one the physical driver 816 * can understand. The transfer is described by a buf and will include 817 * only one physical transfer. 818 */ 819 static void 820 cdstrategy(struct bio *bp) 821 { 822 struct cam_periph *periph; 823 struct cd_softc *softc; 824 825 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 826 cam_periph_lock(periph); 827 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 828 ("cdstrategy(%p)\n", bp)); 829 830 softc = (struct cd_softc *)periph->softc; 831 832 /* 833 * If the device has been made invalid, error out 834 */ 835 if ((softc->flags & CD_FLAG_INVALID)) { 836 cam_periph_unlock(periph); 837 biofinish(bp, NULL, ENXIO); 838 return; 839 } 840 841 /* 842 * If we don't have valid media, look for it before trying to 843 * schedule the I/O. 844 */ 845 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 846 int error; 847 848 error = cdcheckmedia(periph); 849 if (error != 0) { 850 cam_periph_unlock(periph); 851 biofinish(bp, NULL, error); 852 return; 853 } 854 } 855 856 /* 857 * Place it in the queue of disk activities for this disk 858 */ 859 bioq_disksort(&softc->bio_queue, bp); 860 861 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 862 863 cam_periph_unlock(periph); 864 return; 865 } 866 867 static void 868 cdstart(struct cam_periph *periph, union ccb *start_ccb) 869 { 870 struct cd_softc *softc; 871 struct bio *bp; 872 struct ccb_scsiio *csio; 873 struct scsi_read_capacity_data *rcap; 874 875 softc = (struct cd_softc *)periph->softc; 876 877 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 878 879 switch (softc->state) { 880 case CD_STATE_NORMAL: 881 { 882 bp = bioq_first(&softc->bio_queue); 883 if (bp == NULL) { 884 if (softc->tur) { 885 softc->tur = 0; 886 csio = &start_ccb->csio; 887 scsi_test_unit_ready(csio, 888 /*retries*/ cd_retry_count, 889 cddone, 890 MSG_SIMPLE_Q_TAG, 891 SSD_FULL_SIZE, 892 cd_timeout); 893 start_ccb->ccb_h.ccb_bp = NULL; 894 start_ccb->ccb_h.ccb_state = CD_CCB_TUR; 895 xpt_action(start_ccb); 896 } else 897 xpt_release_ccb(start_ccb); 898 } else { 899 if (softc->tur) { 900 softc->tur = 0; 901 cam_periph_release_locked(periph); 902 } 903 bioq_remove(&softc->bio_queue, bp); 904 905 scsi_read_write(&start_ccb->csio, 906 /*retries*/ cd_retry_count, 907 /* cbfcnp */ cddone, 908 MSG_SIMPLE_Q_TAG, 909 /* read */bp->bio_cmd == BIO_READ ? 910 SCSI_RW_READ : SCSI_RW_WRITE, 911 /* byte2 */ 0, 912 /* minimum_cmd_size */ 10, 913 /* lba */ bp->bio_offset / 914 softc->params.blksize, 915 bp->bio_bcount / softc->params.blksize, 916 /* data_ptr */ bp->bio_data, 917 /* dxfer_len */ bp->bio_bcount, 918 /* sense_len */ cd_retry_count ? 919 SSD_FULL_SIZE : SF_NO_PRINT, 920 /* timeout */ cd_timeout); 921 /* Use READ CD command for audio tracks. */ 922 if (softc->params.blksize == 2352) { 923 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 924 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 925 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 926 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 927 start_ccb->csio.cdb_len = 12; 928 } 929 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 930 931 932 LIST_INSERT_HEAD(&softc->pending_ccbs, 933 &start_ccb->ccb_h, periph_links.le); 934 softc->outstanding_cmds++; 935 936 /* We expect a unit attention from this device */ 937 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 938 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 939 softc->flags &= ~CD_FLAG_RETRY_UA; 940 } 941 942 start_ccb->ccb_h.ccb_bp = bp; 943 bp = bioq_first(&softc->bio_queue); 944 945 xpt_action(start_ccb); 946 } 947 if (bp != NULL || softc->tur) { 948 /* Have more work to do, so ensure we stay scheduled */ 949 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 950 } 951 break; 952 } 953 case CD_STATE_PROBE: 954 { 955 956 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 957 M_SCSICD, M_NOWAIT | M_ZERO); 958 if (rcap == NULL) { 959 xpt_print(periph->path, 960 "cdstart: Couldn't malloc read_capacity data\n"); 961 /* cd_free_periph??? */ 962 break; 963 } 964 csio = &start_ccb->csio; 965 scsi_read_capacity(csio, 966 /*retries*/ cd_retry_count, 967 cddone, 968 MSG_SIMPLE_Q_TAG, 969 rcap, 970 SSD_FULL_SIZE, 971 /*timeout*/20000); 972 start_ccb->ccb_h.ccb_bp = NULL; 973 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 974 xpt_action(start_ccb); 975 break; 976 } 977 } 978 } 979 980 static void 981 cddone(struct cam_periph *periph, union ccb *done_ccb) 982 { 983 struct cd_softc *softc; 984 struct ccb_scsiio *csio; 985 986 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 987 988 softc = (struct cd_softc *)periph->softc; 989 csio = &done_ccb->csio; 990 991 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 992 case CD_CCB_BUFFER_IO: 993 { 994 struct bio *bp; 995 int error; 996 997 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 998 error = 0; 999 1000 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1001 int sf; 1002 1003 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1004 sf = SF_RETRY_UA; 1005 else 1006 sf = 0; 1007 1008 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1009 if (error == ERESTART) { 1010 /* 1011 * A retry was scheuled, so 1012 * just return. 1013 */ 1014 return; 1015 } 1016 } 1017 1018 if (error != 0) { 1019 xpt_print(periph->path, 1020 "cddone: got error %#x back\n", error); 1021 bioq_flush(&softc->bio_queue, NULL, EIO); 1022 bp->bio_resid = bp->bio_bcount; 1023 bp->bio_error = error; 1024 bp->bio_flags |= BIO_ERROR; 1025 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1026 cam_release_devq(done_ccb->ccb_h.path, 1027 /*relsim_flags*/0, 1028 /*reduction*/0, 1029 /*timeout*/0, 1030 /*getcount_only*/0); 1031 1032 } else { 1033 bp->bio_resid = csio->resid; 1034 bp->bio_error = 0; 1035 if (bp->bio_resid != 0) { 1036 /* 1037 * Short transfer ??? 1038 * XXX: not sure this is correct for partial 1039 * transfers at EOM 1040 */ 1041 bp->bio_flags |= BIO_ERROR; 1042 } 1043 } 1044 1045 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1046 softc->outstanding_cmds--; 1047 1048 biofinish(bp, NULL, 0); 1049 break; 1050 } 1051 case CD_CCB_PROBE: 1052 { 1053 struct scsi_read_capacity_data *rdcap; 1054 char *announce_buf; 1055 struct cd_params *cdp; 1056 int error; 1057 1058 cdp = &softc->params; 1059 announce_buf = softc->announce_temp; 1060 bzero(announce_buf, CD_ANNOUNCETMP_SZ); 1061 1062 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1063 1064 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1065 cdp->blksize = scsi_4btoul (rdcap->length); 1066 1067 /* 1068 * Retry any UNIT ATTENTION type errors. They 1069 * are expected at boot. 1070 */ 1071 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || 1072 (error = cderror(done_ccb, CAM_RETRY_SELTO, 1073 SF_RETRY_UA | SF_NO_PRINT)) == 0) { 1074 snprintf(announce_buf, CD_ANNOUNCETMP_SZ, 1075 "%juMB (%ju %u byte sectors)", 1076 ((uintmax_t)cdp->disksize * cdp->blksize) / 1077 (1024 * 1024), 1078 (uintmax_t)cdp->disksize, cdp->blksize); 1079 } else { 1080 if (error == ERESTART) { 1081 /* 1082 * A retry was scheuled, so 1083 * just return. 1084 */ 1085 return; 1086 } else { 1087 int asc, ascq; 1088 int sense_key, error_code; 1089 int have_sense; 1090 cam_status status; 1091 struct ccb_getdev cgd; 1092 1093 /* Don't wedge this device's queue */ 1094 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1095 cam_release_devq(done_ccb->ccb_h.path, 1096 /*relsim_flags*/0, 1097 /*reduction*/0, 1098 /*timeout*/0, 1099 /*getcount_only*/0); 1100 1101 status = done_ccb->ccb_h.status; 1102 1103 xpt_setup_ccb(&cgd.ccb_h, 1104 done_ccb->ccb_h.path, 1105 CAM_PRIORITY_NORMAL); 1106 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1107 xpt_action((union ccb *)&cgd); 1108 1109 if (scsi_extract_sense_ccb(done_ccb, 1110 &error_code, &sense_key, &asc, &ascq)) 1111 have_sense = TRUE; 1112 else 1113 have_sense = FALSE; 1114 1115 /* 1116 * Attach to anything that claims to be a 1117 * CDROM or WORM device, as long as it 1118 * doesn't return a "Logical unit not 1119 * supported" (0x25) error. 1120 */ 1121 if ((have_sense) && (asc != 0x25) 1122 && (error_code == SSD_CURRENT_ERROR 1123 || error_code == SSD_DESC_CURRENT_ERROR)) { 1124 const char *sense_key_desc; 1125 const char *asc_desc; 1126 1127 scsi_sense_desc(sense_key, asc, ascq, 1128 &cgd.inq_data, 1129 &sense_key_desc, 1130 &asc_desc); 1131 snprintf(announce_buf, 1132 CD_ANNOUNCETMP_SZ, 1133 "Attempt to query device " 1134 "size failed: %s, %s", 1135 sense_key_desc, 1136 asc_desc); 1137 } else if ((have_sense == 0) 1138 && ((status & CAM_STATUS_MASK) == 1139 CAM_SCSI_STATUS_ERROR) 1140 && (csio->scsi_status == 1141 SCSI_STATUS_BUSY)) { 1142 snprintf(announce_buf, 1143 CD_ANNOUNCETMP_SZ, 1144 "Attempt to query device " 1145 "size failed: SCSI Status: %s", 1146 scsi_status_string(csio)); 1147 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1148 /* 1149 * We only print out an error for 1150 * CDROM type devices. For WORM 1151 * devices, we don't print out an 1152 * error since a few WORM devices 1153 * don't support CDROM commands. 1154 * If we have sense information, go 1155 * ahead and print it out. 1156 * Otherwise, just say that we 1157 * couldn't attach. 1158 */ 1159 1160 /* 1161 * Just print out the error, not 1162 * the full probe message, when we 1163 * don't attach. 1164 */ 1165 if (have_sense) 1166 scsi_sense_print( 1167 &done_ccb->csio); 1168 else { 1169 xpt_print(periph->path, 1170 "got CAM status %#x\n", 1171 done_ccb->ccb_h.status); 1172 } 1173 xpt_print(periph->path, "fatal error, " 1174 "failed to attach to device\n"); 1175 /* 1176 * Invalidate this peripheral. 1177 */ 1178 cam_periph_invalidate(periph); 1179 1180 announce_buf = NULL; 1181 } else { 1182 1183 /* 1184 * Invalidate this peripheral. 1185 */ 1186 cam_periph_invalidate(periph); 1187 announce_buf = NULL; 1188 } 1189 } 1190 } 1191 free(rdcap, M_SCSICD); 1192 if (announce_buf != NULL) { 1193 struct sbuf sb; 1194 1195 sbuf_new(&sb, softc->announce_buf, CD_ANNOUNCE_SZ, 1196 SBUF_FIXEDLEN); 1197 xpt_announce_periph_sbuf(periph, &sb, announce_buf); 1198 xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, 1199 CD_Q_BIT_STRING); 1200 sbuf_finish(&sb); 1201 sbuf_putbuf(&sb); 1202 1203 /* 1204 * Create our sysctl variables, now that we know 1205 * we have successfully attached. 1206 */ 1207 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1208 } 1209 softc->state = CD_STATE_NORMAL; 1210 /* 1211 * Since our peripheral may be invalidated by an error 1212 * above or an external event, we must release our CCB 1213 * before releasing the probe lock on the peripheral. 1214 * The peripheral will only go away once the last lock 1215 * is removed, and we need it around for the CCB release 1216 * operation. 1217 */ 1218 xpt_release_ccb(done_ccb); 1219 cam_periph_unhold(periph); 1220 return; 1221 } 1222 case CD_CCB_TUR: 1223 { 1224 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1225 1226 if (cderror(done_ccb, CAM_RETRY_SELTO, 1227 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 1228 ERESTART) 1229 return; 1230 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1231 cam_release_devq(done_ccb->ccb_h.path, 1232 /*relsim_flags*/0, 1233 /*reduction*/0, 1234 /*timeout*/0, 1235 /*getcount_only*/0); 1236 } 1237 xpt_release_ccb(done_ccb); 1238 cam_periph_release_locked(periph); 1239 return; 1240 } 1241 default: 1242 break; 1243 } 1244 xpt_release_ccb(done_ccb); 1245 } 1246 1247 static union cd_pages * 1248 cdgetpage(struct cd_mode_params *mode_params) 1249 { 1250 union cd_pages *page; 1251 1252 if (mode_params->cdb_size == 10) 1253 page = (union cd_pages *)find_mode_page_10( 1254 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1255 else 1256 page = (union cd_pages *)find_mode_page_6( 1257 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1258 1259 return (page); 1260 } 1261 1262 static int 1263 cdgetpagesize(int page_num) 1264 { 1265 u_int i; 1266 1267 for (i = 0; i < nitems(cd_page_size_table); i++) { 1268 if (cd_page_size_table[i].page == page_num) 1269 return (cd_page_size_table[i].page_size); 1270 } 1271 1272 return (-1); 1273 } 1274 1275 static int 1276 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1277 { 1278 1279 struct cam_periph *periph; 1280 struct cd_softc *softc; 1281 int nocopyout, error = 0; 1282 1283 periph = (struct cam_periph *)dp->d_drv1; 1284 cam_periph_lock(periph); 1285 1286 softc = (struct cd_softc *)periph->softc; 1287 1288 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1289 ("cdioctl(%#lx)\n", cmd)); 1290 1291 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1292 cam_periph_unlock(periph); 1293 cam_periph_release(periph); 1294 return (error); 1295 } 1296 1297 /* 1298 * If we don't have media loaded, check for it. If still don't 1299 * have media loaded, we can only do a load or eject. 1300 * 1301 * We only care whether media is loaded if this is a cd-specific ioctl 1302 * (thus the IOCGROUP check below). Note that this will break if 1303 * anyone adds any ioctls into the switch statement below that don't 1304 * have their ioctl group set to 'c'. 1305 */ 1306 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1307 && ((cmd != CDIOCCLOSE) 1308 && (cmd != CDIOCEJECT)) 1309 && (IOCGROUP(cmd) == 'c')) { 1310 error = cdcheckmedia(periph); 1311 if (error != 0) { 1312 cam_periph_unhold(periph); 1313 cam_periph_unlock(periph); 1314 return (error); 1315 } 1316 } 1317 /* 1318 * Drop the lock here so later mallocs can use WAITOK. The periph 1319 * is essentially locked still with the cam_periph_hold call above. 1320 */ 1321 cam_periph_unlock(periph); 1322 1323 nocopyout = 0; 1324 switch (cmd) { 1325 1326 case CDIOCPLAYTRACKS: 1327 { 1328 struct ioc_play_track *args 1329 = (struct ioc_play_track *) addr; 1330 struct cd_mode_params params; 1331 union cd_pages *page; 1332 1333 params.alloc_len = sizeof(union cd_mode_data_6_10); 1334 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1335 M_WAITOK | M_ZERO); 1336 1337 cam_periph_lock(periph); 1338 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1339 ("trying to do CDIOCPLAYTRACKS\n")); 1340 1341 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1342 if (error) { 1343 free(params.mode_buf, M_SCSICD); 1344 cam_periph_unlock(periph); 1345 break; 1346 } 1347 page = cdgetpage(¶ms); 1348 1349 page->audio.flags &= ~CD_PA_SOTC; 1350 page->audio.flags |= CD_PA_IMMED; 1351 error = cdsetmode(periph, ¶ms); 1352 free(params.mode_buf, M_SCSICD); 1353 if (error) { 1354 cam_periph_unlock(periph); 1355 break; 1356 } 1357 1358 /* 1359 * This was originally implemented with the PLAY 1360 * AUDIO TRACK INDEX command, but that command was 1361 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1362 * drives support it but ATAPI and ATAPI-derivative 1363 * drives don't seem to support it. So we keep a 1364 * cache of the table of contents and translate 1365 * track numbers to MSF format. 1366 */ 1367 if (softc->flags & CD_FLAG_VALID_TOC) { 1368 union msf_lba *sentry, *eentry; 1369 int st, et; 1370 1371 if (args->end_track < 1372 softc->toc.header.ending_track + 1) 1373 args->end_track++; 1374 if (args->end_track > 1375 softc->toc.header.ending_track + 1) 1376 args->end_track = 1377 softc->toc.header.ending_track + 1; 1378 st = args->start_track - 1379 softc->toc.header.starting_track; 1380 et = args->end_track - 1381 softc->toc.header.starting_track; 1382 if ((st < 0) 1383 || (et < 0) 1384 || (st > (softc->toc.header.ending_track - 1385 softc->toc.header.starting_track))) { 1386 error = EINVAL; 1387 cam_periph_unlock(periph); 1388 break; 1389 } 1390 sentry = &softc->toc.entries[st].addr; 1391 eentry = &softc->toc.entries[et].addr; 1392 error = cdplaymsf(periph, 1393 sentry->msf.minute, 1394 sentry->msf.second, 1395 sentry->msf.frame, 1396 eentry->msf.minute, 1397 eentry->msf.second, 1398 eentry->msf.frame); 1399 } else { 1400 /* 1401 * If we don't have a valid TOC, try the 1402 * play track index command. It is part of 1403 * the SCSI-2 spec, but was removed in the 1404 * MMC specs. ATAPI and ATAPI-derived 1405 * drives don't support it. 1406 */ 1407 if (softc->quirks & CD_Q_BCD_TRACKS) { 1408 args->start_track = 1409 bin2bcd(args->start_track); 1410 args->end_track = 1411 bin2bcd(args->end_track); 1412 } 1413 error = cdplaytracks(periph, 1414 args->start_track, 1415 args->start_index, 1416 args->end_track, 1417 args->end_index); 1418 } 1419 cam_periph_unlock(periph); 1420 } 1421 break; 1422 case CDIOCPLAYMSF: 1423 { 1424 struct ioc_play_msf *args 1425 = (struct ioc_play_msf *) addr; 1426 struct cd_mode_params params; 1427 union cd_pages *page; 1428 1429 params.alloc_len = sizeof(union cd_mode_data_6_10); 1430 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1431 M_WAITOK | M_ZERO); 1432 1433 cam_periph_lock(periph); 1434 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1435 ("trying to do CDIOCPLAYMSF\n")); 1436 1437 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1438 if (error) { 1439 free(params.mode_buf, M_SCSICD); 1440 cam_periph_unlock(periph); 1441 break; 1442 } 1443 page = cdgetpage(¶ms); 1444 1445 page->audio.flags &= ~CD_PA_SOTC; 1446 page->audio.flags |= CD_PA_IMMED; 1447 error = cdsetmode(periph, ¶ms); 1448 free(params.mode_buf, M_SCSICD); 1449 if (error) { 1450 cam_periph_unlock(periph); 1451 break; 1452 } 1453 error = cdplaymsf(periph, 1454 args->start_m, 1455 args->start_s, 1456 args->start_f, 1457 args->end_m, 1458 args->end_s, 1459 args->end_f); 1460 cam_periph_unlock(periph); 1461 } 1462 break; 1463 case CDIOCPLAYBLOCKS: 1464 { 1465 struct ioc_play_blocks *args 1466 = (struct ioc_play_blocks *) addr; 1467 struct cd_mode_params params; 1468 union cd_pages *page; 1469 1470 params.alloc_len = sizeof(union cd_mode_data_6_10); 1471 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1472 M_WAITOK | M_ZERO); 1473 1474 cam_periph_lock(periph); 1475 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1476 ("trying to do CDIOCPLAYBLOCKS\n")); 1477 1478 1479 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1480 if (error) { 1481 free(params.mode_buf, M_SCSICD); 1482 cam_periph_unlock(periph); 1483 break; 1484 } 1485 page = cdgetpage(¶ms); 1486 1487 page->audio.flags &= ~CD_PA_SOTC; 1488 page->audio.flags |= CD_PA_IMMED; 1489 error = cdsetmode(periph, ¶ms); 1490 free(params.mode_buf, M_SCSICD); 1491 if (error) { 1492 cam_periph_unlock(periph); 1493 break; 1494 } 1495 error = cdplay(periph, args->blk, args->len); 1496 cam_periph_unlock(periph); 1497 } 1498 break; 1499 case CDIOCREADSUBCHANNEL_SYSSPACE: 1500 nocopyout = 1; 1501 /* Fallthrough */ 1502 case CDIOCREADSUBCHANNEL: 1503 { 1504 struct ioc_read_subchannel *args 1505 = (struct ioc_read_subchannel *) addr; 1506 struct cd_sub_channel_info *data; 1507 u_int32_t len = args->data_len; 1508 1509 data = malloc(sizeof(struct cd_sub_channel_info), 1510 M_SCSICD, M_WAITOK | M_ZERO); 1511 1512 cam_periph_lock(periph); 1513 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1514 ("trying to do CDIOCREADSUBCHANNEL\n")); 1515 1516 if ((len > sizeof(struct cd_sub_channel_info)) || 1517 (len < sizeof(struct cd_sub_channel_header))) { 1518 printf( 1519 "scsi_cd: cdioctl: " 1520 "cdioreadsubchannel: error, len=%d\n", 1521 len); 1522 error = EINVAL; 1523 free(data, M_SCSICD); 1524 cam_periph_unlock(periph); 1525 break; 1526 } 1527 1528 if (softc->quirks & CD_Q_BCD_TRACKS) 1529 args->track = bin2bcd(args->track); 1530 1531 error = cdreadsubchannel(periph, args->address_format, 1532 args->data_format, args->track, data, len); 1533 1534 if (error) { 1535 free(data, M_SCSICD); 1536 cam_periph_unlock(periph); 1537 break; 1538 } 1539 if (softc->quirks & CD_Q_BCD_TRACKS) 1540 data->what.track_info.track_number = 1541 bcd2bin(data->what.track_info.track_number); 1542 len = min(len, ((data->header.data_len[0] << 8) + 1543 data->header.data_len[1] + 1544 sizeof(struct cd_sub_channel_header))); 1545 cam_periph_unlock(periph); 1546 if (nocopyout == 0) { 1547 if (copyout(data, args->data, len) != 0) { 1548 error = EFAULT; 1549 } 1550 } else { 1551 bcopy(data, args->data, len); 1552 } 1553 free(data, M_SCSICD); 1554 } 1555 break; 1556 1557 case CDIOREADTOCHEADER: 1558 { 1559 struct ioc_toc_header *th; 1560 1561 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 1562 M_WAITOK | M_ZERO); 1563 1564 cam_periph_lock(periph); 1565 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1566 ("trying to do CDIOREADTOCHEADER\n")); 1567 1568 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1569 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 1570 if (error) { 1571 free(th, M_SCSICD); 1572 cam_periph_unlock(periph); 1573 break; 1574 } 1575 if (softc->quirks & CD_Q_BCD_TRACKS) { 1576 /* we are going to have to convert the BCD 1577 * encoding on the cd to what is expected 1578 */ 1579 th->starting_track = 1580 bcd2bin(th->starting_track); 1581 th->ending_track = bcd2bin(th->ending_track); 1582 } 1583 th->len = ntohs(th->len); 1584 bcopy(th, addr, sizeof(*th)); 1585 free(th, M_SCSICD); 1586 cam_periph_unlock(periph); 1587 } 1588 break; 1589 case CDIOREADTOCENTRYS: 1590 { 1591 struct cd_tocdata *data; 1592 struct cd_toc_single *lead; 1593 struct ioc_read_toc_entry *te = 1594 (struct ioc_read_toc_entry *) addr; 1595 struct ioc_toc_header *th; 1596 u_int32_t len, readlen, idx, num; 1597 u_int32_t starting_track = te->starting_track; 1598 1599 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1600 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 1601 1602 cam_periph_lock(periph); 1603 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1604 ("trying to do CDIOREADTOCENTRYS\n")); 1605 1606 if (te->data_len < sizeof(struct cd_toc_entry) 1607 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1608 || (te->address_format != CD_MSF_FORMAT 1609 && te->address_format != CD_LBA_FORMAT)) { 1610 error = EINVAL; 1611 printf("scsi_cd: error in readtocentries, " 1612 "returning EINVAL\n"); 1613 free(data, M_SCSICD); 1614 free(lead, M_SCSICD); 1615 cam_periph_unlock(periph); 1616 break; 1617 } 1618 1619 th = &data->header; 1620 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1621 sizeof (*th), /*sense_flags*/0); 1622 if (error) { 1623 free(data, M_SCSICD); 1624 free(lead, M_SCSICD); 1625 cam_periph_unlock(periph); 1626 break; 1627 } 1628 1629 if (softc->quirks & CD_Q_BCD_TRACKS) { 1630 /* we are going to have to convert the BCD 1631 * encoding on the cd to what is expected 1632 */ 1633 th->starting_track = 1634 bcd2bin(th->starting_track); 1635 th->ending_track = bcd2bin(th->ending_track); 1636 } 1637 1638 if (starting_track == 0) 1639 starting_track = th->starting_track; 1640 else if (starting_track == LEADOUT) 1641 starting_track = th->ending_track + 1; 1642 else if (starting_track < th->starting_track || 1643 starting_track > th->ending_track + 1) { 1644 printf("scsi_cd: error in readtocentries, " 1645 "returning EINVAL\n"); 1646 free(data, M_SCSICD); 1647 free(lead, M_SCSICD); 1648 cam_periph_unlock(periph); 1649 error = EINVAL; 1650 break; 1651 } 1652 1653 /* calculate reading length without leadout entry */ 1654 readlen = (th->ending_track - starting_track + 1) * 1655 sizeof(struct cd_toc_entry); 1656 1657 /* and with leadout entry */ 1658 len = readlen + sizeof(struct cd_toc_entry); 1659 if (te->data_len < len) { 1660 len = te->data_len; 1661 if (readlen > len) 1662 readlen = len; 1663 } 1664 if (len > sizeof(data->entries)) { 1665 printf("scsi_cd: error in readtocentries, " 1666 "returning EINVAL\n"); 1667 error = EINVAL; 1668 free(data, M_SCSICD); 1669 free(lead, M_SCSICD); 1670 cam_periph_unlock(periph); 1671 break; 1672 } 1673 num = len / sizeof(struct cd_toc_entry); 1674 1675 if (readlen > 0) { 1676 error = cdreadtoc(periph, te->address_format, 1677 starting_track, 1678 (u_int8_t *)data, 1679 readlen + sizeof (*th), 1680 /*sense_flags*/0); 1681 if (error) { 1682 free(data, M_SCSICD); 1683 free(lead, M_SCSICD); 1684 cam_periph_unlock(periph); 1685 break; 1686 } 1687 } 1688 1689 /* make leadout entry if needed */ 1690 idx = starting_track + num - 1; 1691 if (softc->quirks & CD_Q_BCD_TRACKS) 1692 th->ending_track = bcd2bin(th->ending_track); 1693 if (idx == th->ending_track + 1) { 1694 error = cdreadtoc(periph, te->address_format, 1695 LEADOUT, (u_int8_t *)lead, 1696 sizeof(*lead), 1697 /*sense_flags*/0); 1698 if (error) { 1699 free(data, M_SCSICD); 1700 free(lead, M_SCSICD); 1701 cam_periph_unlock(periph); 1702 break; 1703 } 1704 data->entries[idx - starting_track] = 1705 lead->entry; 1706 } 1707 if (softc->quirks & CD_Q_BCD_TRACKS) { 1708 for (idx = 0; idx < num - 1; idx++) { 1709 data->entries[idx].track = 1710 bcd2bin(data->entries[idx].track); 1711 } 1712 } 1713 1714 cam_periph_unlock(periph); 1715 error = copyout(data->entries, te->data, len); 1716 free(data, M_SCSICD); 1717 free(lead, M_SCSICD); 1718 } 1719 break; 1720 case CDIOREADTOCENTRY: 1721 { 1722 struct cd_toc_single *data; 1723 struct ioc_read_toc_single_entry *te = 1724 (struct ioc_read_toc_single_entry *) addr; 1725 struct ioc_toc_header *th; 1726 u_int32_t track; 1727 1728 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1729 1730 cam_periph_lock(periph); 1731 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1732 ("trying to do CDIOREADTOCENTRY\n")); 1733 1734 if (te->address_format != CD_MSF_FORMAT 1735 && te->address_format != CD_LBA_FORMAT) { 1736 printf("error in readtocentry, " 1737 " returning EINVAL\n"); 1738 free(data, M_SCSICD); 1739 error = EINVAL; 1740 cam_periph_unlock(periph); 1741 break; 1742 } 1743 1744 th = &data->header; 1745 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1746 sizeof (*th), /*sense_flags*/0); 1747 if (error) { 1748 free(data, M_SCSICD); 1749 cam_periph_unlock(periph); 1750 break; 1751 } 1752 1753 if (softc->quirks & CD_Q_BCD_TRACKS) { 1754 /* we are going to have to convert the BCD 1755 * encoding on the cd to what is expected 1756 */ 1757 th->starting_track = 1758 bcd2bin(th->starting_track); 1759 th->ending_track = bcd2bin(th->ending_track); 1760 } 1761 track = te->track; 1762 if (track == 0) 1763 track = th->starting_track; 1764 else if (track == LEADOUT) 1765 /* OK */; 1766 else if (track < th->starting_track || 1767 track > th->ending_track + 1) { 1768 printf("error in readtocentry, " 1769 " returning EINVAL\n"); 1770 free(data, M_SCSICD); 1771 error = EINVAL; 1772 cam_periph_unlock(periph); 1773 break; 1774 } 1775 1776 error = cdreadtoc(periph, te->address_format, track, 1777 (u_int8_t *)data, sizeof(*data), 1778 /*sense_flags*/0); 1779 if (error) { 1780 free(data, M_SCSICD); 1781 cam_periph_unlock(periph); 1782 break; 1783 } 1784 1785 if (softc->quirks & CD_Q_BCD_TRACKS) 1786 data->entry.track = bcd2bin(data->entry.track); 1787 bcopy(&data->entry, &te->entry, 1788 sizeof(struct cd_toc_entry)); 1789 free(data, M_SCSICD); 1790 cam_periph_unlock(periph); 1791 } 1792 break; 1793 case CDIOCSETPATCH: 1794 { 1795 struct ioc_patch *arg = (struct ioc_patch *)addr; 1796 struct cd_mode_params params; 1797 union cd_pages *page; 1798 1799 params.alloc_len = sizeof(union cd_mode_data_6_10); 1800 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1801 M_WAITOK | M_ZERO); 1802 1803 cam_periph_lock(periph); 1804 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1805 ("trying to do CDIOCSETPATCH\n")); 1806 1807 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1808 if (error) { 1809 free(params.mode_buf, M_SCSICD); 1810 cam_periph_unlock(periph); 1811 break; 1812 } 1813 page = cdgetpage(¶ms); 1814 1815 page->audio.port[LEFT_PORT].channels = 1816 arg->patch[0]; 1817 page->audio.port[RIGHT_PORT].channels = 1818 arg->patch[1]; 1819 page->audio.port[2].channels = arg->patch[2]; 1820 page->audio.port[3].channels = arg->patch[3]; 1821 error = cdsetmode(periph, ¶ms); 1822 free(params.mode_buf, M_SCSICD); 1823 cam_periph_unlock(periph); 1824 } 1825 break; 1826 case CDIOCGETVOL: 1827 { 1828 struct ioc_vol *arg = (struct ioc_vol *) addr; 1829 struct cd_mode_params params; 1830 union cd_pages *page; 1831 1832 params.alloc_len = sizeof(union cd_mode_data_6_10); 1833 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1834 M_WAITOK | M_ZERO); 1835 1836 cam_periph_lock(periph); 1837 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1838 ("trying to do CDIOCGETVOL\n")); 1839 1840 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1841 if (error) { 1842 free(params.mode_buf, M_SCSICD); 1843 cam_periph_unlock(periph); 1844 break; 1845 } 1846 page = cdgetpage(¶ms); 1847 1848 arg->vol[LEFT_PORT] = 1849 page->audio.port[LEFT_PORT].volume; 1850 arg->vol[RIGHT_PORT] = 1851 page->audio.port[RIGHT_PORT].volume; 1852 arg->vol[2] = page->audio.port[2].volume; 1853 arg->vol[3] = page->audio.port[3].volume; 1854 free(params.mode_buf, M_SCSICD); 1855 cam_periph_unlock(periph); 1856 } 1857 break; 1858 case CDIOCSETVOL: 1859 { 1860 struct ioc_vol *arg = (struct ioc_vol *) addr; 1861 struct cd_mode_params params; 1862 union cd_pages *page; 1863 1864 params.alloc_len = sizeof(union cd_mode_data_6_10); 1865 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1866 M_WAITOK | M_ZERO); 1867 1868 cam_periph_lock(periph); 1869 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1870 ("trying to do CDIOCSETVOL\n")); 1871 1872 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1873 if (error) { 1874 free(params.mode_buf, M_SCSICD); 1875 cam_periph_unlock(periph); 1876 break; 1877 } 1878 page = cdgetpage(¶ms); 1879 1880 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 1881 page->audio.port[LEFT_PORT].volume = 1882 arg->vol[LEFT_PORT]; 1883 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 1884 page->audio.port[RIGHT_PORT].volume = 1885 arg->vol[RIGHT_PORT]; 1886 page->audio.port[2].volume = arg->vol[2]; 1887 page->audio.port[3].volume = arg->vol[3]; 1888 error = cdsetmode(periph, ¶ms); 1889 cam_periph_unlock(periph); 1890 free(params.mode_buf, M_SCSICD); 1891 } 1892 break; 1893 case CDIOCSETMONO: 1894 { 1895 struct cd_mode_params params; 1896 union cd_pages *page; 1897 1898 params.alloc_len = sizeof(union cd_mode_data_6_10); 1899 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1900 M_WAITOK | M_ZERO); 1901 1902 cam_periph_lock(periph); 1903 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1904 ("trying to do CDIOCSETMONO\n")); 1905 1906 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1907 if (error) { 1908 free(params.mode_buf, M_SCSICD); 1909 cam_periph_unlock(periph); 1910 break; 1911 } 1912 page = cdgetpage(¶ms); 1913 1914 page->audio.port[LEFT_PORT].channels = 1915 LEFT_CHANNEL | RIGHT_CHANNEL; 1916 page->audio.port[RIGHT_PORT].channels = 1917 LEFT_CHANNEL | RIGHT_CHANNEL; 1918 page->audio.port[2].channels = 0; 1919 page->audio.port[3].channels = 0; 1920 error = cdsetmode(periph, ¶ms); 1921 cam_periph_unlock(periph); 1922 free(params.mode_buf, M_SCSICD); 1923 } 1924 break; 1925 case CDIOCSETSTEREO: 1926 { 1927 struct cd_mode_params params; 1928 union cd_pages *page; 1929 1930 params.alloc_len = sizeof(union cd_mode_data_6_10); 1931 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1932 M_WAITOK | M_ZERO); 1933 1934 cam_periph_lock(periph); 1935 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1936 ("trying to do CDIOCSETSTEREO\n")); 1937 1938 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1939 if (error) { 1940 free(params.mode_buf, M_SCSICD); 1941 cam_periph_unlock(periph); 1942 break; 1943 } 1944 page = cdgetpage(¶ms); 1945 1946 page->audio.port[LEFT_PORT].channels = 1947 LEFT_CHANNEL; 1948 page->audio.port[RIGHT_PORT].channels = 1949 RIGHT_CHANNEL; 1950 page->audio.port[2].channels = 0; 1951 page->audio.port[3].channels = 0; 1952 error = cdsetmode(periph, ¶ms); 1953 free(params.mode_buf, M_SCSICD); 1954 cam_periph_unlock(periph); 1955 } 1956 break; 1957 case CDIOCSETMUTE: 1958 { 1959 struct cd_mode_params params; 1960 union cd_pages *page; 1961 1962 params.alloc_len = sizeof(union cd_mode_data_6_10); 1963 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1964 M_WAITOK | M_ZERO); 1965 1966 cam_periph_lock(periph); 1967 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1968 ("trying to do CDIOCSETMUTE\n")); 1969 1970 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1971 if (error) { 1972 free(params.mode_buf, M_SCSICD); 1973 cam_periph_unlock(periph); 1974 break; 1975 } 1976 page = cdgetpage(¶ms); 1977 1978 page->audio.port[LEFT_PORT].channels = 0; 1979 page->audio.port[RIGHT_PORT].channels = 0; 1980 page->audio.port[2].channels = 0; 1981 page->audio.port[3].channels = 0; 1982 error = cdsetmode(periph, ¶ms); 1983 free(params.mode_buf, M_SCSICD); 1984 cam_periph_unlock(periph); 1985 } 1986 break; 1987 case CDIOCSETLEFT: 1988 { 1989 struct cd_mode_params params; 1990 union cd_pages *page; 1991 1992 params.alloc_len = sizeof(union cd_mode_data_6_10); 1993 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1994 M_WAITOK | M_ZERO); 1995 1996 cam_periph_lock(periph); 1997 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1998 ("trying to do CDIOCSETLEFT\n")); 1999 2000 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2001 if (error) { 2002 free(params.mode_buf, M_SCSICD); 2003 cam_periph_unlock(periph); 2004 break; 2005 } 2006 page = cdgetpage(¶ms); 2007 2008 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2009 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2010 page->audio.port[2].channels = 0; 2011 page->audio.port[3].channels = 0; 2012 error = cdsetmode(periph, ¶ms); 2013 free(params.mode_buf, M_SCSICD); 2014 cam_periph_unlock(periph); 2015 } 2016 break; 2017 case CDIOCSETRIGHT: 2018 { 2019 struct cd_mode_params params; 2020 union cd_pages *page; 2021 2022 params.alloc_len = sizeof(union cd_mode_data_6_10); 2023 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2024 M_WAITOK | M_ZERO); 2025 2026 cam_periph_lock(periph); 2027 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2028 ("trying to do CDIOCSETRIGHT\n")); 2029 2030 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2031 if (error) { 2032 free(params.mode_buf, M_SCSICD); 2033 cam_periph_unlock(periph); 2034 break; 2035 } 2036 page = cdgetpage(¶ms); 2037 2038 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2039 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2040 page->audio.port[2].channels = 0; 2041 page->audio.port[3].channels = 0; 2042 error = cdsetmode(periph, ¶ms); 2043 free(params.mode_buf, M_SCSICD); 2044 cam_periph_unlock(periph); 2045 } 2046 break; 2047 case CDIOCRESUME: 2048 cam_periph_lock(periph); 2049 error = cdpause(periph, 1); 2050 cam_periph_unlock(periph); 2051 break; 2052 case CDIOCPAUSE: 2053 cam_periph_lock(periph); 2054 error = cdpause(periph, 0); 2055 cam_periph_unlock(periph); 2056 break; 2057 case CDIOCSTART: 2058 cam_periph_lock(periph); 2059 error = cdstartunit(periph, 0); 2060 cam_periph_unlock(periph); 2061 break; 2062 case CDIOCCLOSE: 2063 cam_periph_lock(periph); 2064 error = cdstartunit(periph, 1); 2065 cam_periph_unlock(periph); 2066 break; 2067 case CDIOCSTOP: 2068 cam_periph_lock(periph); 2069 error = cdstopunit(periph, 0); 2070 cam_periph_unlock(periph); 2071 break; 2072 case CDIOCEJECT: 2073 cam_periph_lock(periph); 2074 error = cdstopunit(periph, 1); 2075 cam_periph_unlock(periph); 2076 break; 2077 case CDIOCALLOW: 2078 cam_periph_lock(periph); 2079 cdprevent(periph, PR_ALLOW); 2080 cam_periph_unlock(periph); 2081 break; 2082 case CDIOCPREVENT: 2083 cam_periph_lock(periph); 2084 cdprevent(periph, PR_PREVENT); 2085 cam_periph_unlock(periph); 2086 break; 2087 case CDIOCSETDEBUG: 2088 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2089 error = ENOTTY; 2090 break; 2091 case CDIOCCLRDEBUG: 2092 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2093 error = ENOTTY; 2094 break; 2095 case CDIOCRESET: 2096 /* return (cd_reset(periph)); */ 2097 error = ENOTTY; 2098 break; 2099 case CDRIOCREADSPEED: 2100 cam_periph_lock(periph); 2101 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2102 cam_periph_unlock(periph); 2103 break; 2104 case CDRIOCWRITESPEED: 2105 cam_periph_lock(periph); 2106 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2107 cam_periph_unlock(periph); 2108 break; 2109 case CDRIOCGETBLOCKSIZE: 2110 *(int *)addr = softc->params.blksize; 2111 break; 2112 case CDRIOCSETBLOCKSIZE: 2113 if (*(int *)addr <= 0) { 2114 error = EINVAL; 2115 break; 2116 } 2117 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2118 break; 2119 case DVDIOCSENDKEY: 2120 case DVDIOCREPORTKEY: { 2121 struct dvd_authinfo *authinfo; 2122 2123 authinfo = (struct dvd_authinfo *)addr; 2124 2125 if (cmd == DVDIOCREPORTKEY) 2126 error = cdreportkey(periph, authinfo); 2127 else 2128 error = cdsendkey(periph, authinfo); 2129 break; 2130 } 2131 case DVDIOCREADSTRUCTURE: { 2132 struct dvd_struct *dvdstruct; 2133 2134 dvdstruct = (struct dvd_struct *)addr; 2135 2136 error = cdreaddvdstructure(periph, dvdstruct); 2137 2138 break; 2139 } 2140 default: 2141 cam_periph_lock(periph); 2142 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2143 cam_periph_unlock(periph); 2144 break; 2145 } 2146 2147 cam_periph_lock(periph); 2148 cam_periph_unhold(periph); 2149 2150 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2151 if (error && bootverbose) { 2152 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2153 } 2154 cam_periph_unlock(periph); 2155 2156 return (error); 2157 } 2158 2159 static void 2160 cdprevent(struct cam_periph *periph, int action) 2161 { 2162 union ccb *ccb; 2163 struct cd_softc *softc; 2164 int error; 2165 2166 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2167 2168 softc = (struct cd_softc *)periph->softc; 2169 2170 if (((action == PR_ALLOW) 2171 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2172 || ((action == PR_PREVENT) 2173 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2174 return; 2175 } 2176 2177 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2178 2179 scsi_prevent(&ccb->csio, 2180 /*retries*/ cd_retry_count, 2181 /*cbfcnp*/NULL, 2182 MSG_SIMPLE_Q_TAG, 2183 action, 2184 SSD_FULL_SIZE, 2185 /* timeout */60000); 2186 2187 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2188 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2189 2190 xpt_release_ccb(ccb); 2191 2192 if (error == 0) { 2193 if (action == PR_ALLOW) 2194 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2195 else 2196 softc->flags |= CD_FLAG_DISC_LOCKED; 2197 } 2198 } 2199 2200 /* 2201 * XXX: the disk media and sector size is only really able to change 2202 * XXX: while the device is closed. 2203 */ 2204 static int 2205 cdcheckmedia(struct cam_periph *periph) 2206 { 2207 struct cd_softc *softc; 2208 struct ioc_toc_header *toch; 2209 struct cd_toc_single leadout; 2210 u_int32_t size, toclen; 2211 int error, num_entries, cdindex; 2212 2213 softc = (struct cd_softc *)periph->softc; 2214 2215 cdprevent(periph, PR_PREVENT); 2216 softc->disk->d_sectorsize = 2048; 2217 softc->disk->d_mediasize = 0; 2218 2219 /* 2220 * Get the disc size and block size. If we can't get it, we don't 2221 * have media, most likely. 2222 */ 2223 if ((error = cdsize(periph, &size)) != 0) { 2224 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2225 cdprevent(periph, PR_ALLOW); 2226 return (error); 2227 } else { 2228 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; 2229 softc->disk->d_sectorsize = softc->params.blksize; 2230 softc->disk->d_mediasize = 2231 (off_t)softc->params.blksize * softc->params.disksize; 2232 } 2233 2234 /* 2235 * Now we check the table of contents. This (currently) is only 2236 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2237 * things like present a separate entry in /dev for each track, 2238 * like that acd(4) driver does. 2239 */ 2240 bzero(&softc->toc, sizeof(softc->toc)); 2241 toch = &softc->toc.header; 2242 /* 2243 * We will get errors here for media that doesn't have a table of 2244 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2245 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2246 * has not been recorded (no complete session) and the Format codes 2247 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2248 * with an INVALID FIELD IN CDB. Devices that are not capable of 2249 * reading an incomplete session on DDC/CD-R/RW media shall report 2250 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2251 * 2252 * So this isn't fatal if we can't read the table of contents, it 2253 * just means that the user won't be able to issue the play tracks 2254 * ioctl, and likely lots of other stuff won't work either. They 2255 * need to burn the CD before we can do a whole lot with it. So 2256 * we don't print anything here if we get an error back. 2257 */ 2258 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2259 SF_NO_PRINT); 2260 /* 2261 * Errors in reading the table of contents aren't fatal, we just 2262 * won't have a valid table of contents cached. 2263 */ 2264 if (error != 0) { 2265 error = 0; 2266 bzero(&softc->toc, sizeof(softc->toc)); 2267 goto bailout; 2268 } 2269 2270 if (softc->quirks & CD_Q_BCD_TRACKS) { 2271 toch->starting_track = bcd2bin(toch->starting_track); 2272 toch->ending_track = bcd2bin(toch->ending_track); 2273 } 2274 2275 /* Number of TOC entries, plus leadout */ 2276 num_entries = (toch->ending_track - toch->starting_track) + 2; 2277 2278 if (num_entries <= 0) 2279 goto bailout; 2280 2281 toclen = num_entries * sizeof(struct cd_toc_entry); 2282 2283 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2284 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2285 SF_NO_PRINT); 2286 if (error != 0) { 2287 error = 0; 2288 bzero(&softc->toc, sizeof(softc->toc)); 2289 goto bailout; 2290 } 2291 2292 if (softc->quirks & CD_Q_BCD_TRACKS) { 2293 toch->starting_track = bcd2bin(toch->starting_track); 2294 toch->ending_track = bcd2bin(toch->ending_track); 2295 } 2296 /* 2297 * XXX KDM is this necessary? Probably only if the drive doesn't 2298 * return leadout information with the table of contents. 2299 */ 2300 cdindex = toch->starting_track + num_entries -1; 2301 if (cdindex == toch->ending_track + 1) { 2302 2303 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2304 (u_int8_t *)&leadout, sizeof(leadout), 2305 SF_NO_PRINT); 2306 if (error != 0) { 2307 error = 0; 2308 goto bailout; 2309 } 2310 softc->toc.entries[cdindex - toch->starting_track] = 2311 leadout.entry; 2312 } 2313 if (softc->quirks & CD_Q_BCD_TRACKS) { 2314 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2315 softc->toc.entries[cdindex].track = 2316 bcd2bin(softc->toc.entries[cdindex].track); 2317 } 2318 } 2319 2320 softc->flags |= CD_FLAG_VALID_TOC; 2321 2322 /* If the first track is audio, correct sector size. */ 2323 if ((softc->toc.entries[0].control & 4) == 0) { 2324 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2325 softc->disk->d_mediasize = 2326 (off_t)softc->params.blksize * softc->params.disksize; 2327 } 2328 2329 bailout: 2330 2331 /* 2332 * We unconditionally (re)set the blocksize each time the 2333 * CD device is opened. This is because the CD can change, 2334 * and therefore the blocksize might change. 2335 * XXX problems here if some slice or partition is still 2336 * open with the old size? 2337 */ 2338 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2339 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2340 softc->disk->d_devstat->block_size = softc->params.blksize; 2341 2342 return (error); 2343 } 2344 2345 static int 2346 cdsize(struct cam_periph *periph, u_int32_t *size) 2347 { 2348 struct cd_softc *softc; 2349 union ccb *ccb; 2350 struct scsi_read_capacity_data *rcap_buf; 2351 int error; 2352 2353 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2354 2355 softc = (struct cd_softc *)periph->softc; 2356 2357 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2358 2359 /* XXX Should be M_WAITOK */ 2360 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2361 M_SCSICD, M_NOWAIT | M_ZERO); 2362 if (rcap_buf == NULL) 2363 return (ENOMEM); 2364 2365 scsi_read_capacity(&ccb->csio, 2366 /*retries*/ cd_retry_count, 2367 /*cbfcnp*/NULL, 2368 MSG_SIMPLE_Q_TAG, 2369 rcap_buf, 2370 SSD_FULL_SIZE, 2371 /* timeout */20000); 2372 2373 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2374 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2375 2376 xpt_release_ccb(ccb); 2377 2378 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2379 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2380 /* Make sure we got at least some block size. */ 2381 if (error == 0 && softc->params.blksize == 0) 2382 error = EIO; 2383 /* 2384 * SCSI-3 mandates that the reported blocksize shall be 2048. 2385 * Older drives sometimes report funny values, trim it down to 2386 * 2048, or other parts of the kernel will get confused. 2387 * 2388 * XXX we leave drives alone that might report 512 bytes, as 2389 * well as drives reporting more weird sizes like perhaps 4K. 2390 */ 2391 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2392 softc->params.blksize = 2048; 2393 2394 free(rcap_buf, M_SCSICD); 2395 *size = softc->params.disksize; 2396 2397 return (error); 2398 2399 } 2400 2401 static int 2402 cd6byteworkaround(union ccb *ccb) 2403 { 2404 u_int8_t *cdb; 2405 struct cam_periph *periph; 2406 struct cd_softc *softc; 2407 struct cd_mode_params *params; 2408 int frozen, found; 2409 2410 periph = xpt_path_periph(ccb->ccb_h.path); 2411 softc = (struct cd_softc *)periph->softc; 2412 2413 cdb = ccb->csio.cdb_io.cdb_bytes; 2414 2415 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2416 || ((cdb[0] != MODE_SENSE_6) 2417 && (cdb[0] != MODE_SELECT_6))) 2418 return (0); 2419 2420 /* 2421 * Because there is no convenient place to stash the overall 2422 * cd_mode_params structure pointer, we have to grab it like this. 2423 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2424 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2425 * 2426 * XXX It would be nice if, at some point, we could increase the 2427 * number of available peripheral private pointers. Both pointers 2428 * are currently used in most every peripheral driver. 2429 */ 2430 found = 0; 2431 2432 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2433 if (params->mode_buf == ccb->csio.data_ptr) { 2434 found = 1; 2435 break; 2436 } 2437 } 2438 2439 /* 2440 * This shouldn't happen. All mode sense and mode select 2441 * operations in the cd(4) driver MUST go through cdgetmode() and 2442 * cdsetmode()! 2443 */ 2444 if (found == 0) { 2445 xpt_print(periph->path, 2446 "mode buffer not found in mode queue!\n"); 2447 return (0); 2448 } 2449 2450 params->cdb_size = 10; 2451 softc->minimum_command_size = 10; 2452 xpt_print(ccb->ccb_h.path, 2453 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2454 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2455 2456 if (cdb[0] == MODE_SENSE_6) { 2457 struct scsi_mode_sense_10 ms10; 2458 struct scsi_mode_sense_6 *ms6; 2459 int len; 2460 2461 ms6 = (struct scsi_mode_sense_6 *)cdb; 2462 2463 bzero(&ms10, sizeof(ms10)); 2464 ms10.opcode = MODE_SENSE_10; 2465 ms10.byte2 = ms6->byte2; 2466 ms10.page = ms6->page; 2467 2468 /* 2469 * 10 byte mode header, block descriptor, 2470 * sizeof(union cd_pages) 2471 */ 2472 len = sizeof(struct cd_mode_data_10); 2473 ccb->csio.dxfer_len = len; 2474 2475 scsi_ulto2b(len, ms10.length); 2476 ms10.control = ms6->control; 2477 bcopy(&ms10, cdb, 10); 2478 ccb->csio.cdb_len = 10; 2479 } else { 2480 struct scsi_mode_select_10 ms10; 2481 struct scsi_mode_select_6 *ms6; 2482 struct scsi_mode_header_6 *header6; 2483 struct scsi_mode_header_10 *header10; 2484 struct scsi_mode_page_header *page_header; 2485 int blk_desc_len, page_num, page_size, len; 2486 2487 ms6 = (struct scsi_mode_select_6 *)cdb; 2488 2489 bzero(&ms10, sizeof(ms10)); 2490 ms10.opcode = MODE_SELECT_10; 2491 ms10.byte2 = ms6->byte2; 2492 2493 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2494 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2495 2496 page_header = find_mode_page_6(header6); 2497 page_num = page_header->page_code; 2498 2499 blk_desc_len = header6->blk_desc_len; 2500 2501 page_size = cdgetpagesize(page_num); 2502 2503 if (page_size != (page_header->page_length + 2504 sizeof(*page_header))) 2505 page_size = page_header->page_length + 2506 sizeof(*page_header); 2507 2508 len = sizeof(*header10) + blk_desc_len + page_size; 2509 2510 len = min(params->alloc_len, len); 2511 2512 /* 2513 * Since the 6 byte parameter header is shorter than the 10 2514 * byte parameter header, we need to copy the actual mode 2515 * page data, and the block descriptor, if any, so things wind 2516 * up in the right place. The regions will overlap, but 2517 * bcopy() does the right thing. 2518 */ 2519 bcopy(params->mode_buf + sizeof(*header6), 2520 params->mode_buf + sizeof(*header10), 2521 len - sizeof(*header10)); 2522 2523 /* Make sure these fields are set correctly. */ 2524 scsi_ulto2b(0, header10->data_length); 2525 header10->medium_type = 0; 2526 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 2527 2528 ccb->csio.dxfer_len = len; 2529 2530 scsi_ulto2b(len, ms10.length); 2531 ms10.control = ms6->control; 2532 bcopy(&ms10, cdb, 10); 2533 ccb->csio.cdb_len = 10; 2534 } 2535 2536 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2537 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2538 xpt_action(ccb); 2539 if (frozen) { 2540 cam_release_devq(ccb->ccb_h.path, 2541 /*relsim_flags*/0, 2542 /*openings*/0, 2543 /*timeout*/0, 2544 /*getcount_only*/0); 2545 } 2546 2547 return (ERESTART); 2548 } 2549 2550 static int 2551 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2552 { 2553 struct cd_softc *softc; 2554 struct cam_periph *periph; 2555 int error, error_code, sense_key, asc, ascq; 2556 2557 periph = xpt_path_periph(ccb->ccb_h.path); 2558 softc = (struct cd_softc *)periph->softc; 2559 2560 error = 0; 2561 2562 /* 2563 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 2564 * CDB comes back with this particular error, try transforming it 2565 * into the 10 byte version. 2566 */ 2567 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2568 error = cd6byteworkaround(ccb); 2569 } else if (scsi_extract_sense_ccb(ccb, 2570 &error_code, &sense_key, &asc, &ascq)) { 2571 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2572 error = cd6byteworkaround(ccb); 2573 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 2574 asc == 0x28 && ascq == 0x00) 2575 disk_media_changed(softc->disk, M_NOWAIT); 2576 else if (sense_key == SSD_KEY_NOT_READY && 2577 asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { 2578 softc->flags &= ~CD_FLAG_SAW_MEDIA; 2579 disk_media_gone(softc->disk, M_NOWAIT); 2580 } 2581 } 2582 2583 if (error == ERESTART) 2584 return (error); 2585 2586 /* 2587 * XXX 2588 * Until we have a better way of doing pack validation, 2589 * don't treat UAs as errors. 2590 */ 2591 sense_flags |= SF_RETRY_UA; 2592 2593 if (softc->quirks & CD_Q_RETRY_BUSY) 2594 sense_flags |= SF_RETRY_BUSY; 2595 return (cam_periph_error(ccb, cam_flags, sense_flags)); 2596 } 2597 2598 static void 2599 cdmediapoll(void *arg) 2600 { 2601 struct cam_periph *periph = arg; 2602 struct cd_softc *softc = periph->softc; 2603 2604 if (softc->state == CD_STATE_NORMAL && !softc->tur && 2605 softc->outstanding_cmds == 0) { 2606 if (cam_periph_acquire(periph) == 0) { 2607 softc->tur = 1; 2608 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 2609 } 2610 } 2611 /* Queue us up again */ 2612 if (cd_poll_period != 0) 2613 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); 2614 } 2615 2616 /* 2617 * Read table of contents 2618 */ 2619 static int 2620 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2621 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 2622 { 2623 struct scsi_read_toc *scsi_cmd; 2624 u_int32_t ntoc; 2625 struct ccb_scsiio *csio; 2626 union ccb *ccb; 2627 int error; 2628 2629 ntoc = len; 2630 error = 0; 2631 2632 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2633 2634 csio = &ccb->csio; 2635 2636 cam_fill_csio(csio, 2637 /* retries */ cd_retry_count, 2638 /* cbfcnp */ NULL, 2639 /* flags */ CAM_DIR_IN, 2640 /* tag_action */ MSG_SIMPLE_Q_TAG, 2641 /* data_ptr */ data, 2642 /* dxfer_len */ len, 2643 /* sense_len */ SSD_FULL_SIZE, 2644 sizeof(struct scsi_read_toc), 2645 /* timeout */ 50000); 2646 2647 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2648 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2649 2650 if (mode == CD_MSF_FORMAT) 2651 scsi_cmd->byte2 |= CD_MSF; 2652 scsi_cmd->from_track = start; 2653 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2654 scsi_cmd->data_len[0] = (ntoc) >> 8; 2655 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2656 2657 scsi_cmd->op_code = READ_TOC; 2658 2659 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2660 /*sense_flags*/SF_RETRY_UA | sense_flags); 2661 2662 xpt_release_ccb(ccb); 2663 2664 return(error); 2665 } 2666 2667 static int 2668 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2669 u_int32_t format, int track, 2670 struct cd_sub_channel_info *data, u_int32_t len) 2671 { 2672 struct scsi_read_subchannel *scsi_cmd; 2673 struct ccb_scsiio *csio; 2674 union ccb *ccb; 2675 int error; 2676 2677 error = 0; 2678 2679 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2680 2681 csio = &ccb->csio; 2682 2683 cam_fill_csio(csio, 2684 /* retries */ cd_retry_count, 2685 /* cbfcnp */ NULL, 2686 /* flags */ CAM_DIR_IN, 2687 /* tag_action */ MSG_SIMPLE_Q_TAG, 2688 /* data_ptr */ (u_int8_t *)data, 2689 /* dxfer_len */ len, 2690 /* sense_len */ SSD_FULL_SIZE, 2691 sizeof(struct scsi_read_subchannel), 2692 /* timeout */ 50000); 2693 2694 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2695 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2696 2697 scsi_cmd->op_code = READ_SUBCHANNEL; 2698 if (mode == CD_MSF_FORMAT) 2699 scsi_cmd->byte1 |= CD_MSF; 2700 scsi_cmd->byte2 = SRS_SUBQ; 2701 scsi_cmd->subchan_format = format; 2702 scsi_cmd->track = track; 2703 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2704 scsi_cmd->control = 0; 2705 2706 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2707 /*sense_flags*/SF_RETRY_UA); 2708 2709 xpt_release_ccb(ccb); 2710 2711 return(error); 2712 } 2713 2714 2715 /* 2716 * All MODE_SENSE requests in the cd(4) driver MUST go through this 2717 * routine. See comments in cd6byteworkaround() for details. 2718 */ 2719 static int 2720 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 2721 u_int32_t page) 2722 { 2723 struct ccb_scsiio *csio; 2724 struct cd_softc *softc; 2725 union ccb *ccb; 2726 int param_len; 2727 int error; 2728 2729 softc = (struct cd_softc *)periph->softc; 2730 2731 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2732 2733 csio = &ccb->csio; 2734 2735 data->cdb_size = softc->minimum_command_size; 2736 if (data->cdb_size < 10) 2737 param_len = sizeof(struct cd_mode_data); 2738 else 2739 param_len = sizeof(struct cd_mode_data_10); 2740 2741 /* Don't say we've got more room than we actually allocated */ 2742 param_len = min(param_len, data->alloc_len); 2743 2744 scsi_mode_sense_len(csio, 2745 /* retries */ cd_retry_count, 2746 /* cbfcnp */ NULL, 2747 /* tag_action */ MSG_SIMPLE_Q_TAG, 2748 /* dbd */ 0, 2749 /* page_code */ SMS_PAGE_CTRL_CURRENT, 2750 /* page */ page, 2751 /* param_buf */ data->mode_buf, 2752 /* param_len */ param_len, 2753 /* minimum_cmd_size */ softc->minimum_command_size, 2754 /* sense_len */ SSD_FULL_SIZE, 2755 /* timeout */ 50000); 2756 2757 /* 2758 * It would be nice not to have to do this, but there's no 2759 * available pointer in the CCB that would allow us to stuff the 2760 * mode params structure in there and retrieve it in 2761 * cd6byteworkaround(), so we can set the cdb size. The cdb size 2762 * lets the caller know what CDB size we ended up using, so they 2763 * can find the actual mode page offset. 2764 */ 2765 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2766 2767 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2768 /*sense_flags*/SF_RETRY_UA); 2769 2770 xpt_release_ccb(ccb); 2771 2772 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2773 2774 /* 2775 * This is a bit of belt-and-suspenders checking, but if we run 2776 * into a situation where the target sends back multiple block 2777 * descriptors, we might not have enough space in the buffer to 2778 * see the whole mode page. Better to return an error than 2779 * potentially access memory beyond our malloced region. 2780 */ 2781 if (error == 0) { 2782 u_int32_t data_len; 2783 2784 if (data->cdb_size == 10) { 2785 struct scsi_mode_header_10 *hdr10; 2786 2787 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 2788 data_len = scsi_2btoul(hdr10->data_length); 2789 data_len += sizeof(hdr10->data_length); 2790 } else { 2791 struct scsi_mode_header_6 *hdr6; 2792 2793 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 2794 data_len = hdr6->data_length; 2795 data_len += sizeof(hdr6->data_length); 2796 } 2797 2798 /* 2799 * Complain if there is more mode data available than we 2800 * allocated space for. This could potentially happen if 2801 * we miscalculated the page length for some reason, if the 2802 * drive returns multiple block descriptors, or if it sets 2803 * the data length incorrectly. 2804 */ 2805 if (data_len > data->alloc_len) { 2806 xpt_print(periph->path, "allocated modepage %d length " 2807 "%d < returned length %d\n", page, data->alloc_len, 2808 data_len); 2809 error = ENOSPC; 2810 } 2811 } 2812 return (error); 2813 } 2814 2815 /* 2816 * All MODE_SELECT requests in the cd(4) driver MUST go through this 2817 * routine. See comments in cd6byteworkaround() for details. 2818 */ 2819 static int 2820 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 2821 { 2822 struct ccb_scsiio *csio; 2823 struct cd_softc *softc; 2824 union ccb *ccb; 2825 int cdb_size, param_len; 2826 int error; 2827 2828 softc = (struct cd_softc *)periph->softc; 2829 2830 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2831 2832 csio = &ccb->csio; 2833 2834 error = 0; 2835 2836 /* 2837 * If the data is formatted for the 10 byte version of the mode 2838 * select parameter list, we need to use the 10 byte CDB. 2839 * Otherwise, we use whatever the stored minimum command size. 2840 */ 2841 if (data->cdb_size == 10) 2842 cdb_size = data->cdb_size; 2843 else 2844 cdb_size = softc->minimum_command_size; 2845 2846 if (cdb_size >= 10) { 2847 struct scsi_mode_header_10 *mode_header; 2848 u_int32_t data_len; 2849 2850 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 2851 2852 data_len = scsi_2btoul(mode_header->data_length); 2853 2854 scsi_ulto2b(0, mode_header->data_length); 2855 /* 2856 * SONY drives do not allow a mode select with a medium_type 2857 * value that has just been returned by a mode sense; use a 2858 * medium_type of 0 (Default) instead. 2859 */ 2860 mode_header->medium_type = 0; 2861 2862 /* 2863 * Pass back whatever the drive passed to us, plus the size 2864 * of the data length field. 2865 */ 2866 param_len = data_len + sizeof(mode_header->data_length); 2867 2868 } else { 2869 struct scsi_mode_header_6 *mode_header; 2870 2871 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 2872 2873 param_len = mode_header->data_length + 1; 2874 2875 mode_header->data_length = 0; 2876 /* 2877 * SONY drives do not allow a mode select with a medium_type 2878 * value that has just been returned by a mode sense; use a 2879 * medium_type of 0 (Default) instead. 2880 */ 2881 mode_header->medium_type = 0; 2882 } 2883 2884 /* Don't say we've got more room than we actually allocated */ 2885 param_len = min(param_len, data->alloc_len); 2886 2887 scsi_mode_select_len(csio, 2888 /* retries */ cd_retry_count, 2889 /* cbfcnp */ NULL, 2890 /* tag_action */ MSG_SIMPLE_Q_TAG, 2891 /* scsi_page_fmt */ 1, 2892 /* save_pages */ 0, 2893 /* param_buf */ data->mode_buf, 2894 /* param_len */ param_len, 2895 /* minimum_cmd_size */ cdb_size, 2896 /* sense_len */ SSD_FULL_SIZE, 2897 /* timeout */ 50000); 2898 2899 /* See comments in cdgetmode() and cd6byteworkaround(). */ 2900 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2901 2902 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2903 /*sense_flags*/SF_RETRY_UA); 2904 2905 xpt_release_ccb(ccb); 2906 2907 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2908 2909 return (error); 2910 } 2911 2912 2913 static int 2914 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2915 { 2916 struct ccb_scsiio *csio; 2917 union ccb *ccb; 2918 int error; 2919 u_int8_t cdb_len; 2920 2921 error = 0; 2922 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2923 csio = &ccb->csio; 2924 /* 2925 * Use the smallest possible command to perform the operation. 2926 */ 2927 if ((len & 0xffff0000) == 0) { 2928 /* 2929 * We can fit in a 10 byte cdb. 2930 */ 2931 struct scsi_play_10 *scsi_cmd; 2932 2933 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2934 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2935 scsi_cmd->op_code = PLAY_10; 2936 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2937 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2938 cdb_len = sizeof(*scsi_cmd); 2939 } else { 2940 struct scsi_play_12 *scsi_cmd; 2941 2942 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2943 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2944 scsi_cmd->op_code = PLAY_12; 2945 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2946 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2947 cdb_len = sizeof(*scsi_cmd); 2948 } 2949 cam_fill_csio(csio, 2950 /*retries*/ cd_retry_count, 2951 /*cbfcnp*/NULL, 2952 /*flags*/CAM_DIR_NONE, 2953 MSG_SIMPLE_Q_TAG, 2954 /*dataptr*/NULL, 2955 /*datalen*/0, 2956 /*sense_len*/SSD_FULL_SIZE, 2957 cdb_len, 2958 /*timeout*/50 * 1000); 2959 2960 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2961 /*sense_flags*/SF_RETRY_UA); 2962 2963 xpt_release_ccb(ccb); 2964 2965 return(error); 2966 } 2967 2968 static int 2969 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2970 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2971 { 2972 struct scsi_play_msf *scsi_cmd; 2973 struct ccb_scsiio *csio; 2974 union ccb *ccb; 2975 int error; 2976 2977 error = 0; 2978 2979 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2980 2981 csio = &ccb->csio; 2982 2983 cam_fill_csio(csio, 2984 /* retries */ cd_retry_count, 2985 /* cbfcnp */ NULL, 2986 /* flags */ CAM_DIR_NONE, 2987 /* tag_action */ MSG_SIMPLE_Q_TAG, 2988 /* data_ptr */ NULL, 2989 /* dxfer_len */ 0, 2990 /* sense_len */ SSD_FULL_SIZE, 2991 sizeof(struct scsi_play_msf), 2992 /* timeout */ 50000); 2993 2994 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2995 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2996 2997 scsi_cmd->op_code = PLAY_MSF; 2998 scsi_cmd->start_m = startm; 2999 scsi_cmd->start_s = starts; 3000 scsi_cmd->start_f = startf; 3001 scsi_cmd->end_m = endm; 3002 scsi_cmd->end_s = ends; 3003 scsi_cmd->end_f = endf; 3004 3005 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3006 /*sense_flags*/SF_RETRY_UA); 3007 3008 xpt_release_ccb(ccb); 3009 3010 return(error); 3011 } 3012 3013 3014 static int 3015 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3016 u_int32_t etrack, u_int32_t eindex) 3017 { 3018 struct scsi_play_track *scsi_cmd; 3019 struct ccb_scsiio *csio; 3020 union ccb *ccb; 3021 int error; 3022 3023 error = 0; 3024 3025 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3026 3027 csio = &ccb->csio; 3028 3029 cam_fill_csio(csio, 3030 /* retries */ cd_retry_count, 3031 /* cbfcnp */ NULL, 3032 /* flags */ CAM_DIR_NONE, 3033 /* tag_action */ MSG_SIMPLE_Q_TAG, 3034 /* data_ptr */ NULL, 3035 /* dxfer_len */ 0, 3036 /* sense_len */ SSD_FULL_SIZE, 3037 sizeof(struct scsi_play_track), 3038 /* timeout */ 50000); 3039 3040 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3041 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3042 3043 scsi_cmd->op_code = PLAY_TRACK; 3044 scsi_cmd->start_track = strack; 3045 scsi_cmd->start_index = sindex; 3046 scsi_cmd->end_track = etrack; 3047 scsi_cmd->end_index = eindex; 3048 3049 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3050 /*sense_flags*/SF_RETRY_UA); 3051 3052 xpt_release_ccb(ccb); 3053 3054 return(error); 3055 } 3056 3057 static int 3058 cdpause(struct cam_periph *periph, u_int32_t go) 3059 { 3060 struct scsi_pause *scsi_cmd; 3061 struct ccb_scsiio *csio; 3062 union ccb *ccb; 3063 int error; 3064 3065 error = 0; 3066 3067 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3068 3069 csio = &ccb->csio; 3070 3071 cam_fill_csio(csio, 3072 /* retries */ cd_retry_count, 3073 /* cbfcnp */ NULL, 3074 /* flags */ CAM_DIR_NONE, 3075 /* tag_action */ MSG_SIMPLE_Q_TAG, 3076 /* data_ptr */ NULL, 3077 /* dxfer_len */ 0, 3078 /* sense_len */ SSD_FULL_SIZE, 3079 sizeof(struct scsi_pause), 3080 /* timeout */ 50000); 3081 3082 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3083 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3084 3085 scsi_cmd->op_code = PAUSE; 3086 scsi_cmd->resume = go; 3087 3088 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3089 /*sense_flags*/SF_RETRY_UA); 3090 3091 xpt_release_ccb(ccb); 3092 3093 return(error); 3094 } 3095 3096 static int 3097 cdstartunit(struct cam_periph *periph, int load) 3098 { 3099 union ccb *ccb; 3100 int error; 3101 3102 error = 0; 3103 3104 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3105 3106 scsi_start_stop(&ccb->csio, 3107 /* retries */ cd_retry_count, 3108 /* cbfcnp */ NULL, 3109 /* tag_action */ MSG_SIMPLE_Q_TAG, 3110 /* start */ TRUE, 3111 /* load_eject */ load, 3112 /* immediate */ FALSE, 3113 /* sense_len */ SSD_FULL_SIZE, 3114 /* timeout */ 50000); 3115 3116 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3117 /*sense_flags*/SF_RETRY_UA); 3118 3119 xpt_release_ccb(ccb); 3120 3121 return(error); 3122 } 3123 3124 static int 3125 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3126 { 3127 union ccb *ccb; 3128 int error; 3129 3130 error = 0; 3131 3132 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3133 3134 scsi_start_stop(&ccb->csio, 3135 /* retries */ cd_retry_count, 3136 /* cbfcnp */ NULL, 3137 /* tag_action */ MSG_SIMPLE_Q_TAG, 3138 /* start */ FALSE, 3139 /* load_eject */ eject, 3140 /* immediate */ FALSE, 3141 /* sense_len */ SSD_FULL_SIZE, 3142 /* timeout */ 50000); 3143 3144 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3145 /*sense_flags*/SF_RETRY_UA); 3146 3147 xpt_release_ccb(ccb); 3148 3149 return(error); 3150 } 3151 3152 static int 3153 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3154 { 3155 struct scsi_set_speed *scsi_cmd; 3156 struct ccb_scsiio *csio; 3157 union ccb *ccb; 3158 int error; 3159 3160 error = 0; 3161 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3162 csio = &ccb->csio; 3163 3164 /* Preserve old behavior: units in multiples of CDROM speed */ 3165 if (rdspeed < 177) 3166 rdspeed *= 177; 3167 if (wrspeed < 177) 3168 wrspeed *= 177; 3169 3170 cam_fill_csio(csio, 3171 /* retries */ cd_retry_count, 3172 /* cbfcnp */ NULL, 3173 /* flags */ CAM_DIR_NONE, 3174 /* tag_action */ MSG_SIMPLE_Q_TAG, 3175 /* data_ptr */ NULL, 3176 /* dxfer_len */ 0, 3177 /* sense_len */ SSD_FULL_SIZE, 3178 sizeof(struct scsi_set_speed), 3179 /* timeout */ 50000); 3180 3181 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3182 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3183 3184 scsi_cmd->opcode = SET_CD_SPEED; 3185 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3186 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3187 3188 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3189 /*sense_flags*/SF_RETRY_UA); 3190 3191 xpt_release_ccb(ccb); 3192 3193 return(error); 3194 } 3195 3196 static int 3197 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3198 { 3199 union ccb *ccb; 3200 u_int8_t *databuf; 3201 u_int32_t lba; 3202 int error; 3203 int length; 3204 3205 error = 0; 3206 databuf = NULL; 3207 lba = 0; 3208 3209 switch (authinfo->format) { 3210 case DVD_REPORT_AGID: 3211 length = sizeof(struct scsi_report_key_data_agid); 3212 break; 3213 case DVD_REPORT_CHALLENGE: 3214 length = sizeof(struct scsi_report_key_data_challenge); 3215 break; 3216 case DVD_REPORT_KEY1: 3217 length = sizeof(struct scsi_report_key_data_key1_key2); 3218 break; 3219 case DVD_REPORT_TITLE_KEY: 3220 length = sizeof(struct scsi_report_key_data_title); 3221 /* The lba field is only set for the title key */ 3222 lba = authinfo->lba; 3223 break; 3224 case DVD_REPORT_ASF: 3225 length = sizeof(struct scsi_report_key_data_asf); 3226 break; 3227 case DVD_REPORT_RPC: 3228 length = sizeof(struct scsi_report_key_data_rpc); 3229 break; 3230 case DVD_INVALIDATE_AGID: 3231 length = 0; 3232 break; 3233 default: 3234 return (EINVAL); 3235 } 3236 3237 if (length != 0) { 3238 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3239 } else 3240 databuf = NULL; 3241 3242 cam_periph_lock(periph); 3243 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3244 3245 scsi_report_key(&ccb->csio, 3246 /* retries */ cd_retry_count, 3247 /* cbfcnp */ NULL, 3248 /* tag_action */ MSG_SIMPLE_Q_TAG, 3249 /* lba */ lba, 3250 /* agid */ authinfo->agid, 3251 /* key_format */ authinfo->format, 3252 /* data_ptr */ databuf, 3253 /* dxfer_len */ length, 3254 /* sense_len */ SSD_FULL_SIZE, 3255 /* timeout */ 50000); 3256 3257 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3258 /*sense_flags*/SF_RETRY_UA); 3259 3260 if (error != 0) 3261 goto bailout; 3262 3263 if (ccb->csio.resid != 0) { 3264 xpt_print(periph->path, "warning, residual for report key " 3265 "command is %d\n", ccb->csio.resid); 3266 } 3267 3268 switch(authinfo->format) { 3269 case DVD_REPORT_AGID: { 3270 struct scsi_report_key_data_agid *agid_data; 3271 3272 agid_data = (struct scsi_report_key_data_agid *)databuf; 3273 3274 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3275 RKD_AGID_SHIFT; 3276 break; 3277 } 3278 case DVD_REPORT_CHALLENGE: { 3279 struct scsi_report_key_data_challenge *chal_data; 3280 3281 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3282 3283 bcopy(chal_data->challenge_key, authinfo->keychal, 3284 min(sizeof(chal_data->challenge_key), 3285 sizeof(authinfo->keychal))); 3286 break; 3287 } 3288 case DVD_REPORT_KEY1: { 3289 struct scsi_report_key_data_key1_key2 *key1_data; 3290 3291 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3292 3293 bcopy(key1_data->key1, authinfo->keychal, 3294 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3295 break; 3296 } 3297 case DVD_REPORT_TITLE_KEY: { 3298 struct scsi_report_key_data_title *title_data; 3299 3300 title_data = (struct scsi_report_key_data_title *)databuf; 3301 3302 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3303 RKD_TITLE_CPM_SHIFT; 3304 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3305 RKD_TITLE_CP_SEC_SHIFT; 3306 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3307 RKD_TITLE_CMGS_SHIFT; 3308 bcopy(title_data->title_key, authinfo->keychal, 3309 min(sizeof(title_data->title_key), 3310 sizeof(authinfo->keychal))); 3311 break; 3312 } 3313 case DVD_REPORT_ASF: { 3314 struct scsi_report_key_data_asf *asf_data; 3315 3316 asf_data = (struct scsi_report_key_data_asf *)databuf; 3317 3318 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3319 break; 3320 } 3321 case DVD_REPORT_RPC: { 3322 struct scsi_report_key_data_rpc *rpc_data; 3323 3324 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3325 3326 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3327 RKD_RPC_TYPE_SHIFT; 3328 authinfo->vend_rsts = 3329 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3330 RKD_RPC_VENDOR_RESET_SHIFT; 3331 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3332 authinfo->region = rpc_data->region_mask; 3333 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3334 break; 3335 } 3336 case DVD_INVALIDATE_AGID: 3337 break; 3338 default: 3339 /* This should be impossible, since we checked above */ 3340 error = EINVAL; 3341 goto bailout; 3342 break; /* NOTREACHED */ 3343 } 3344 3345 bailout: 3346 xpt_release_ccb(ccb); 3347 cam_periph_unlock(periph); 3348 3349 if (databuf != NULL) 3350 free(databuf, M_DEVBUF); 3351 3352 return(error); 3353 } 3354 3355 static int 3356 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3357 { 3358 union ccb *ccb; 3359 u_int8_t *databuf; 3360 int length; 3361 int error; 3362 3363 error = 0; 3364 databuf = NULL; 3365 3366 switch(authinfo->format) { 3367 case DVD_SEND_CHALLENGE: { 3368 struct scsi_report_key_data_challenge *challenge_data; 3369 3370 length = sizeof(*challenge_data); 3371 3372 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3373 3374 databuf = (u_int8_t *)challenge_data; 3375 3376 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3377 challenge_data->data_len); 3378 3379 bcopy(authinfo->keychal, challenge_data->challenge_key, 3380 min(sizeof(authinfo->keychal), 3381 sizeof(challenge_data->challenge_key))); 3382 break; 3383 } 3384 case DVD_SEND_KEY2: { 3385 struct scsi_report_key_data_key1_key2 *key2_data; 3386 3387 length = sizeof(*key2_data); 3388 3389 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3390 3391 databuf = (u_int8_t *)key2_data; 3392 3393 scsi_ulto2b(length - sizeof(key2_data->data_len), 3394 key2_data->data_len); 3395 3396 bcopy(authinfo->keychal, key2_data->key1, 3397 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3398 3399 break; 3400 } 3401 case DVD_SEND_RPC: { 3402 struct scsi_send_key_data_rpc *rpc_data; 3403 3404 length = sizeof(*rpc_data); 3405 3406 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3407 3408 databuf = (u_int8_t *)rpc_data; 3409 3410 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3411 rpc_data->data_len); 3412 3413 rpc_data->region_code = authinfo->region; 3414 break; 3415 } 3416 default: 3417 return (EINVAL); 3418 } 3419 3420 cam_periph_lock(periph); 3421 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3422 3423 scsi_send_key(&ccb->csio, 3424 /* retries */ cd_retry_count, 3425 /* cbfcnp */ NULL, 3426 /* tag_action */ MSG_SIMPLE_Q_TAG, 3427 /* agid */ authinfo->agid, 3428 /* key_format */ authinfo->format, 3429 /* data_ptr */ databuf, 3430 /* dxfer_len */ length, 3431 /* sense_len */ SSD_FULL_SIZE, 3432 /* timeout */ 50000); 3433 3434 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3435 /*sense_flags*/SF_RETRY_UA); 3436 3437 xpt_release_ccb(ccb); 3438 cam_periph_unlock(periph); 3439 3440 if (databuf != NULL) 3441 free(databuf, M_DEVBUF); 3442 3443 return(error); 3444 } 3445 3446 static int 3447 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3448 { 3449 union ccb *ccb; 3450 u_int8_t *databuf; 3451 u_int32_t address; 3452 int error; 3453 int length; 3454 3455 error = 0; 3456 databuf = NULL; 3457 /* The address is reserved for many of the formats */ 3458 address = 0; 3459 3460 switch(dvdstruct->format) { 3461 case DVD_STRUCT_PHYSICAL: 3462 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3463 break; 3464 case DVD_STRUCT_COPYRIGHT: 3465 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3466 break; 3467 case DVD_STRUCT_DISCKEY: 3468 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3469 break; 3470 case DVD_STRUCT_BCA: 3471 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3472 break; 3473 case DVD_STRUCT_MANUFACT: 3474 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3475 break; 3476 case DVD_STRUCT_CMI: 3477 return (ENODEV); 3478 case DVD_STRUCT_PROTDISCID: 3479 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3480 break; 3481 case DVD_STRUCT_DISCKEYBLOCK: 3482 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3483 break; 3484 case DVD_STRUCT_DDS: 3485 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3486 break; 3487 case DVD_STRUCT_MEDIUM_STAT: 3488 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3489 break; 3490 case DVD_STRUCT_SPARE_AREA: 3491 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3492 break; 3493 case DVD_STRUCT_RMD_LAST: 3494 return (ENODEV); 3495 case DVD_STRUCT_RMD_RMA: 3496 return (ENODEV); 3497 case DVD_STRUCT_PRERECORDED: 3498 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3499 break; 3500 case DVD_STRUCT_UNIQUEID: 3501 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3502 break; 3503 case DVD_STRUCT_DCB: 3504 return (ENODEV); 3505 case DVD_STRUCT_LIST: 3506 /* 3507 * This is the maximum allocation length for the READ DVD 3508 * STRUCTURE command. There's nothing in the MMC3 spec 3509 * that indicates a limit in the amount of data that can 3510 * be returned from this call, other than the limits 3511 * imposed by the 2-byte length variables. 3512 */ 3513 length = 65535; 3514 break; 3515 default: 3516 return (EINVAL); 3517 } 3518 3519 if (length != 0) { 3520 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3521 } else 3522 databuf = NULL; 3523 3524 cam_periph_lock(periph); 3525 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3526 3527 scsi_read_dvd_structure(&ccb->csio, 3528 /* retries */ cd_retry_count, 3529 /* cbfcnp */ NULL, 3530 /* tag_action */ MSG_SIMPLE_Q_TAG, 3531 /* lba */ address, 3532 /* layer_number */ dvdstruct->layer_num, 3533 /* key_format */ dvdstruct->format, 3534 /* agid */ dvdstruct->agid, 3535 /* data_ptr */ databuf, 3536 /* dxfer_len */ length, 3537 /* sense_len */ SSD_FULL_SIZE, 3538 /* timeout */ 50000); 3539 3540 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3541 /*sense_flags*/SF_RETRY_UA); 3542 3543 if (error != 0) 3544 goto bailout; 3545 3546 switch(dvdstruct->format) { 3547 case DVD_STRUCT_PHYSICAL: { 3548 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3549 struct dvd_layer *outlayer; 3550 struct scsi_read_dvd_struct_data_physical *phys_data; 3551 3552 phys_data = 3553 (struct scsi_read_dvd_struct_data_physical *)databuf; 3554 inlayer = &phys_data->layer_desc; 3555 outlayer = (struct dvd_layer *)&dvdstruct->data; 3556 3557 dvdstruct->length = sizeof(*inlayer); 3558 3559 outlayer->book_type = (inlayer->book_type_version & 3560 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3561 outlayer->book_version = (inlayer->book_type_version & 3562 RDSD_BOOK_VERSION_MASK); 3563 outlayer->disc_size = (inlayer->disc_size_max_rate & 3564 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3565 outlayer->max_rate = (inlayer->disc_size_max_rate & 3566 RDSD_MAX_RATE_MASK); 3567 outlayer->nlayers = (inlayer->layer_info & 3568 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3569 outlayer->track_path = (inlayer->layer_info & 3570 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3571 outlayer->layer_type = (inlayer->layer_info & 3572 RDSD_LAYER_TYPE_MASK); 3573 outlayer->linear_density = (inlayer->density & 3574 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3575 outlayer->track_density = (inlayer->density & 3576 RDSD_TRACK_DENSITY_MASK); 3577 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3578 RDSD_BCA_SHIFT; 3579 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3580 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3581 outlayer->end_sector_l0 = 3582 scsi_3btoul(inlayer->end_sector_layer0); 3583 break; 3584 } 3585 case DVD_STRUCT_COPYRIGHT: { 3586 struct scsi_read_dvd_struct_data_copyright *copy_data; 3587 3588 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3589 databuf; 3590 3591 dvdstruct->cpst = copy_data->cps_type; 3592 dvdstruct->rmi = copy_data->region_info; 3593 dvdstruct->length = 0; 3594 3595 break; 3596 } 3597 default: 3598 /* 3599 * Tell the user what the overall length is, no matter 3600 * what we can actually fit in the data buffer. 3601 */ 3602 dvdstruct->length = length - ccb->csio.resid - 3603 sizeof(struct scsi_read_dvd_struct_data_header); 3604 3605 /* 3606 * But only actually copy out the smaller of what we read 3607 * in or what the structure can take. 3608 */ 3609 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3610 dvdstruct->data, 3611 min(sizeof(dvdstruct->data), dvdstruct->length)); 3612 break; 3613 } 3614 3615 bailout: 3616 xpt_release_ccb(ccb); 3617 cam_periph_unlock(periph); 3618 3619 if (databuf != NULL) 3620 free(databuf, M_DEVBUF); 3621 3622 return(error); 3623 } 3624 3625 void 3626 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3627 void (*cbfcnp)(struct cam_periph *, union ccb *), 3628 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3629 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3630 u_int8_t sense_len, u_int32_t timeout) 3631 { 3632 struct scsi_report_key *scsi_cmd; 3633 3634 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3635 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3636 scsi_cmd->opcode = REPORT_KEY; 3637 scsi_ulto4b(lba, scsi_cmd->lba); 3638 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3639 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3640 (key_format & RK_KF_KEYFORMAT_MASK); 3641 3642 cam_fill_csio(csio, 3643 retries, 3644 cbfcnp, 3645 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3646 tag_action, 3647 /*data_ptr*/ data_ptr, 3648 /*dxfer_len*/ dxfer_len, 3649 sense_len, 3650 sizeof(*scsi_cmd), 3651 timeout); 3652 } 3653 3654 void 3655 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3656 void (*cbfcnp)(struct cam_periph *, union ccb *), 3657 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3658 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3659 u_int32_t timeout) 3660 { 3661 struct scsi_send_key *scsi_cmd; 3662 3663 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3664 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3665 scsi_cmd->opcode = SEND_KEY; 3666 3667 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3668 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3669 (key_format & RK_KF_KEYFORMAT_MASK); 3670 3671 cam_fill_csio(csio, 3672 retries, 3673 cbfcnp, 3674 /*flags*/ CAM_DIR_OUT, 3675 tag_action, 3676 /*data_ptr*/ data_ptr, 3677 /*dxfer_len*/ dxfer_len, 3678 sense_len, 3679 sizeof(*scsi_cmd), 3680 timeout); 3681 } 3682 3683 3684 void 3685 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3686 void (*cbfcnp)(struct cam_periph *, union ccb *), 3687 u_int8_t tag_action, u_int32_t address, 3688 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3689 u_int8_t *data_ptr, u_int32_t dxfer_len, 3690 u_int8_t sense_len, u_int32_t timeout) 3691 { 3692 struct scsi_read_dvd_structure *scsi_cmd; 3693 3694 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3695 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3696 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3697 3698 scsi_ulto4b(address, scsi_cmd->address); 3699 scsi_cmd->layer_number = layer_number; 3700 scsi_cmd->format = format; 3701 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3702 /* The AGID is the top two bits of this byte */ 3703 scsi_cmd->agid = agid << 6; 3704 3705 cam_fill_csio(csio, 3706 retries, 3707 cbfcnp, 3708 /*flags*/ CAM_DIR_IN, 3709 tag_action, 3710 /*data_ptr*/ data_ptr, 3711 /*dxfer_len*/ dxfer_len, 3712 sense_len, 3713 sizeof(*scsi_cmd), 3714 timeout); 3715 } 3716