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