Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/cam/scsi/scsi_cd.c
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1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD: releng/5.2/sys/cam/scsi/scsi_cd.c 121602 2003-10-27 06:15:55Z ken $"); 50 51 #include "opt_cd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/bio.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <geom/geom_disk.h> 67 68 #include <cam/cam.h> 69 #include <cam/cam_ccb.h> 70 #include <cam/cam_periph.h> 71 #include <cam/cam_xpt_periph.h> 72 #include <cam/cam_queue.h> 73 74 #include <cam/scsi/scsi_message.h> 75 #include <cam/scsi/scsi_da.h> 76 #include <cam/scsi/scsi_cd.h> 77 78 #define LEADOUT 0xaa /* leadout toc entry */ 79 80 struct cd_params { 81 u_int32_t blksize; 82 u_long disksize; 83 }; 84 85 typedef enum { 86 CD_Q_NONE = 0x00, 87 CD_Q_NO_TOUCH = 0x01, 88 CD_Q_BCD_TRACKS = 0x02, 89 CD_Q_NO_CHANGER = 0x04, 90 CD_Q_CHANGER = 0x08, 91 CD_Q_10_BYTE_ONLY = 0x10 92 } cd_quirks; 93 94 typedef enum { 95 CD_FLAG_INVALID = 0x0001, 96 CD_FLAG_NEW_DISC = 0x0002, 97 CD_FLAG_DISC_LOCKED = 0x0004, 98 CD_FLAG_DISC_REMOVABLE = 0x0008, 99 CD_FLAG_TAGGED_QUEUING = 0x0010, 100 CD_FLAG_CHANGER = 0x0040, 101 CD_FLAG_ACTIVE = 0x0080, 102 CD_FLAG_SCHED_ON_COMP = 0x0100, 103 CD_FLAG_RETRY_UA = 0x0200, 104 CD_FLAG_VALID_MEDIA = 0x0400, 105 CD_FLAG_VALID_TOC = 0x0800, 106 CD_FLAG_SCTX_INIT = 0x1000 107 } cd_flags; 108 109 typedef enum { 110 CD_CCB_PROBE = 0x01, 111 CD_CCB_BUFFER_IO = 0x02, 112 CD_CCB_WAITING = 0x03, 113 CD_CCB_TYPE_MASK = 0x0F, 114 CD_CCB_RETRY_UA = 0x10 115 } cd_ccb_state; 116 117 typedef enum { 118 CHANGER_TIMEOUT_SCHED = 0x01, 119 CHANGER_SHORT_TMOUT_SCHED = 0x02, 120 CHANGER_MANUAL_CALL = 0x04, 121 CHANGER_NEED_TIMEOUT = 0x08 122 } cd_changer_flags; 123 124 #define ccb_state ppriv_field0 125 #define ccb_bp ppriv_ptr1 126 127 struct cd_tocdata { 128 struct ioc_toc_header header; 129 struct cd_toc_entry entries[100]; 130 }; 131 132 struct cd_toc_single { 133 struct ioc_toc_header header; 134 struct cd_toc_entry entry; 135 }; 136 137 typedef enum { 138 CD_STATE_PROBE, 139 CD_STATE_NORMAL 140 } cd_state; 141 142 struct cd_softc { 143 cam_pinfo pinfo; 144 cd_state state; 145 volatile cd_flags flags; 146 struct bio_queue_head bio_queue; 147 LIST_HEAD(, ccb_hdr) pending_ccbs; 148 struct cd_params params; 149 union ccb saved_ccb; 150 cd_quirks quirks; 151 STAILQ_ENTRY(cd_softc) changer_links; 152 struct cdchanger *changer; 153 int bufs_left; 154 struct cam_periph *periph; 155 int minimum_command_size; 156 int outstanding_cmds; 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 }; 164 165 struct cd_page_sizes { 166 int page; 167 int page_size; 168 }; 169 170 static struct cd_page_sizes cd_page_size_table[] = 171 { 172 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 173 }; 174 175 struct cd_quirk_entry { 176 struct scsi_inquiry_pattern inq_pat; 177 cd_quirks quirks; 178 }; 179 180 /* 181 * The changer quirk entries aren't strictly necessary. Basically, what 182 * they do is tell cdregister() up front that a device is a changer. 183 * Otherwise, it will figure that fact out once it sees a LUN on the device 184 * that is greater than 0. If it is known up front that a device is a changer, 185 * all I/O to the device will go through the changer scheduling routines, as 186 * opposed to the "normal" CD code. 187 * 188 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 189 * your device hangs when it gets a 10 byte command. Adding a quirk just 190 * to get rid of the informative diagnostic message is not acceptable. All 191 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 192 * referenced in a comment along with the quirk) , and must be approved by 193 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 194 * be removed until the submitter can explain why they are needed. 195 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 196 * when the CAM_NEW_TRAN_CODE work is done. 197 */ 198 static struct cd_quirk_entry cd_quirk_table[] = 199 { 200 { 201 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 202 /*quirks*/ CD_Q_CHANGER 203 }, 204 { 205 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 206 "*"}, /* quirks */ CD_Q_CHANGER 207 }, 208 { 209 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 210 /* quirks */ CD_Q_CHANGER 211 }, 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 214 /* quirks */ CD_Q_BCD_TRACKS 215 } 216 }; 217 218 static disk_open_t cdopen; 219 static disk_close_t cdclose; 220 static disk_ioctl_t cdioctl; 221 static disk_strategy_t cdstrategy; 222 223 static periph_init_t cdinit; 224 static periph_ctor_t cdregister; 225 static periph_dtor_t cdcleanup; 226 static periph_start_t cdstart; 227 static periph_oninv_t cdoninvalidate; 228 static void cdasync(void *callback_arg, u_int32_t code, 229 struct cam_path *path, void *arg); 230 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 231 static void cdshorttimeout(void *arg); 232 static void cdschedule(struct cam_periph *periph, int priority); 233 static void cdrunchangerqueue(void *arg); 234 static void cdchangerschedule(struct cd_softc *softc); 235 static int cdrunccb(union ccb *ccb, 236 int (*error_routine)(union ccb *ccb, 237 u_int32_t cam_flags, 238 u_int32_t sense_flags), 239 u_int32_t cam_flags, u_int32_t sense_flags); 240 static union ccb *cdgetccb(struct cam_periph *periph, 241 u_int32_t priority); 242 static void cddone(struct cam_periph *periph, 243 union ccb *start_ccb); 244 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 245 static int cdgetpagesize(int page_num); 246 static void cdprevent(struct cam_periph *periph, int action); 247 static int cdcheckmedia(struct cam_periph *periph); 248 static int cdsize(struct cam_periph *periph, u_int32_t *size); 249 static int cd6byteworkaround(union ccb *ccb); 250 static int cderror(union ccb *ccb, u_int32_t cam_flags, 251 u_int32_t sense_flags); 252 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 253 u_int32_t start, u_int8_t *data, 254 u_int32_t len, u_int32_t sense_flags); 255 static int cdgetmode(struct cam_periph *periph, 256 struct cd_mode_params *data, u_int32_t page); 257 static int cdsetmode(struct cam_periph *periph, 258 struct cd_mode_params *data); 259 static int cdplay(struct cam_periph *periph, u_int32_t blk, 260 u_int32_t len); 261 static int cdreadsubchannel(struct cam_periph *periph, 262 u_int32_t mode, u_int32_t format, 263 int track, 264 struct cd_sub_channel_info *data, 265 u_int32_t len); 266 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 267 u_int32_t starts, u_int32_t startf, 268 u_int32_t endm, u_int32_t ends, 269 u_int32_t endf); 270 static int cdplaytracks(struct cam_periph *periph, 271 u_int32_t strack, u_int32_t sindex, 272 u_int32_t etrack, u_int32_t eindex); 273 static int cdpause(struct cam_periph *periph, u_int32_t go); 274 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 275 static int cdstartunit(struct cam_periph *periph, int load); 276 static int cdsetspeed(struct cam_periph *periph, 277 u_int32_t rdspeed, u_int32_t wrspeed); 278 static int cdreportkey(struct cam_periph *periph, 279 struct dvd_authinfo *authinfo); 280 static int cdsendkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282 static int cdreaddvdstructure(struct cam_periph *periph, 283 struct dvd_struct *dvdstruct); 284 285 static struct periph_driver cddriver = 286 { 287 cdinit, "cd", 288 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 289 }; 290 291 PERIPHDRIVER_DECLARE(cd, cddriver); 292 293 294 static int num_changers; 295 296 #ifndef CHANGER_MIN_BUSY_SECONDS 297 #define CHANGER_MIN_BUSY_SECONDS 5 298 #endif 299 #ifndef CHANGER_MAX_BUSY_SECONDS 300 #define CHANGER_MAX_BUSY_SECONDS 15 301 #endif 302 303 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 304 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 305 306 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 307 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 308 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 309 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 310 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 311 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 312 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 313 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 314 315 struct cdchanger { 316 path_id_t path_id; 317 target_id_t target_id; 318 int num_devices; 319 struct camq devq; 320 struct timeval start_time; 321 struct cd_softc *cur_device; 322 struct callout_handle short_handle; 323 struct callout_handle long_handle; 324 volatile cd_changer_flags flags; 325 STAILQ_ENTRY(cdchanger) changer_links; 326 STAILQ_HEAD(chdevlist, cd_softc) chluns; 327 }; 328 329 static STAILQ_HEAD(changerlist, cdchanger) changerq; 330 331 332 static void 333 cdinit(void) 334 { 335 cam_status status; 336 struct cam_path *path; 337 338 /* 339 * Install a global async callback. This callback will 340 * receive async callbacks like "new device found". 341 */ 342 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 344 345 if (status == CAM_REQ_CMP) { 346 struct ccb_setasync csa; 347 348 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 349 csa.ccb_h.func_code = XPT_SASYNC_CB; 350 csa.event_enable = AC_FOUND_DEVICE; 351 csa.callback = cdasync; 352 csa.callback_arg = NULL; 353 xpt_action((union ccb *)&csa); 354 status = csa.ccb_h.status; 355 xpt_free_path(path); 356 } 357 358 if (status != CAM_REQ_CMP) { 359 printf("cd: Failed to attach master async callback " 360 "due to status 0x%x!\n", status); 361 } 362 } 363 364 static void 365 cdoninvalidate(struct cam_periph *periph) 366 { 367 int s; 368 struct cd_softc *softc; 369 struct ccb_setasync csa; 370 371 softc = (struct cd_softc *)periph->softc; 372 373 /* 374 * De-register any async callbacks. 375 */ 376 xpt_setup_ccb(&csa.ccb_h, periph->path, 377 /* priority */ 5); 378 csa.ccb_h.func_code = XPT_SASYNC_CB; 379 csa.event_enable = 0; 380 csa.callback = cdasync; 381 csa.callback_arg = periph; 382 xpt_action((union ccb *)&csa); 383 384 softc->flags |= CD_FLAG_INVALID; 385 386 /* 387 * Although the oninvalidate() routines are always called at 388 * splsoftcam, we need to be at splbio() here to keep the buffer 389 * queue from being modified while we traverse it. 390 */ 391 s = splbio(); 392 393 /* 394 * Return all queued I/O with ENXIO. 395 * XXX Handle any transactions queued to the card 396 * with XPT_ABORT_CCB. 397 */ 398 bioq_flush(&softc->bio_queue, NULL, ENXIO); 399 splx(s); 400 401 /* 402 * If this device is part of a changer, and it was scheduled 403 * to run, remove it from the run queue since we just nuked 404 * all of its scheduled I/O. 405 */ 406 if ((softc->flags & CD_FLAG_CHANGER) 407 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 408 camq_remove(&softc->changer->devq, softc->pinfo.index); 409 410 xpt_print_path(periph->path); 411 printf("lost device\n"); 412 } 413 414 static void 415 cdcleanup(struct cam_periph *periph) 416 { 417 struct cd_softc *softc; 418 int s; 419 420 softc = (struct cd_softc *)periph->softc; 421 422 xpt_print_path(periph->path); 423 printf("removing device entry\n"); 424 425 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 426 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 427 xpt_print_path(periph->path); 428 printf("can't remove sysctl context\n"); 429 } 430 431 s = splsoftcam(); 432 /* 433 * In the queued, non-active case, the device in question 434 * has already been removed from the changer run queue. Since this 435 * device is active, we need to de-activate it, and schedule 436 * another device to run. (if there is another one to run) 437 */ 438 if ((softc->flags & CD_FLAG_CHANGER) 439 && (softc->flags & CD_FLAG_ACTIVE)) { 440 441 /* 442 * The purpose of the short timeout is soley to determine 443 * whether the current device has finished or not. Well, 444 * since we're removing the active device, we know that it 445 * is finished. So, get rid of the short timeout. 446 * Otherwise, if we're in the time period before the short 447 * timeout fires, and there are no other devices in the 448 * queue to run, there won't be any other device put in the 449 * active slot. i.e., when we call cdrunchangerqueue() 450 * below, it won't do anything. Then, when the short 451 * timeout fires, it'll look at the "current device", which 452 * we are free below, and possibly panic the kernel on a 453 * bogus pointer reference. 454 * 455 * The long timeout doesn't really matter, since we 456 * decrement the qfrozen_cnt to indicate that there is 457 * nothing in the active slot now. Therefore, there won't 458 * be any bogus pointer references there. 459 */ 460 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 461 untimeout(cdshorttimeout, softc->changer, 462 softc->changer->short_handle); 463 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 464 } 465 softc->changer->devq.qfrozen_cnt--; 466 softc->changer->flags |= CHANGER_MANUAL_CALL; 467 cdrunchangerqueue(softc->changer); 468 } 469 470 /* 471 * If we're removing the last device on the changer, go ahead and 472 * remove the changer device structure. 473 */ 474 if ((softc->flags & CD_FLAG_CHANGER) 475 && (--softc->changer->num_devices == 0)) { 476 477 /* 478 * Theoretically, there shouldn't be any timeouts left, but 479 * I'm not completely sure that that will be the case. So, 480 * it won't hurt to check and see if there are any left. 481 */ 482 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 483 untimeout(cdrunchangerqueue, softc->changer, 484 softc->changer->long_handle); 485 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 486 } 487 488 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 489 untimeout(cdshorttimeout, softc->changer, 490 softc->changer->short_handle); 491 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 492 } 493 494 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 495 changer_links); 496 xpt_print_path(periph->path); 497 printf("removing changer entry\n"); 498 free(softc->changer, M_DEVBUF); 499 num_changers--; 500 } 501 disk_destroy(&softc->disk); 502 free(softc, M_DEVBUF); 503 splx(s); 504 } 505 506 static void 507 cdasync(void *callback_arg, u_int32_t code, 508 struct cam_path *path, void *arg) 509 { 510 struct cam_periph *periph; 511 512 periph = (struct cam_periph *)callback_arg; 513 switch (code) { 514 case AC_FOUND_DEVICE: 515 { 516 struct ccb_getdev *cgd; 517 cam_status status; 518 519 cgd = (struct ccb_getdev *)arg; 520 if (cgd == NULL) 521 break; 522 523 if (SID_TYPE(&cgd->inq_data) != T_CDROM 524 && SID_TYPE(&cgd->inq_data) != T_WORM) 525 break; 526 527 /* 528 * Allocate a peripheral instance for 529 * this device and start the probe 530 * process. 531 */ 532 status = cam_periph_alloc(cdregister, cdoninvalidate, 533 cdcleanup, cdstart, 534 "cd", CAM_PERIPH_BIO, 535 cgd->ccb_h.path, cdasync, 536 AC_FOUND_DEVICE, cgd); 537 538 if (status != CAM_REQ_CMP 539 && status != CAM_REQ_INPROG) 540 printf("cdasync: Unable to attach new device " 541 "due to status 0x%x\n", status); 542 543 break; 544 } 545 case AC_SENT_BDR: 546 case AC_BUS_RESET: 547 { 548 struct cd_softc *softc; 549 struct ccb_hdr *ccbh; 550 int s; 551 552 softc = (struct cd_softc *)periph->softc; 553 s = splsoftcam(); 554 /* 555 * Don't fail on the expected unit attention 556 * that will occur. 557 */ 558 softc->flags |= CD_FLAG_RETRY_UA; 559 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 560 ccbh->ccb_state |= CD_CCB_RETRY_UA; 561 splx(s); 562 /* FALLTHROUGH */ 563 } 564 default: 565 cam_periph_async(periph, code, path, arg); 566 break; 567 } 568 } 569 570 static void 571 cdsysctlinit(void *context, int pending) 572 { 573 struct cam_periph *periph; 574 struct cd_softc *softc; 575 char tmpstr[80], tmpstr2[80]; 576 577 periph = (struct cam_periph *)context; 578 softc = (struct cd_softc *)periph->softc; 579 580 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 581 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 582 583 mtx_lock(&Giant); 584 585 sysctl_ctx_init(&softc->sysctl_ctx); 586 softc->flags |= CD_FLAG_SCTX_INIT; 587 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 588 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 589 tmpstr2, CTLFLAG_RD, 0, tmpstr); 590 591 if (softc->sysctl_tree == NULL) { 592 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 593 return; 594 } 595 596 /* 597 * Now register the sysctl handler, so the user can the value on 598 * the fly. 599 */ 600 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 601 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 602 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 603 "Minimum CDB size"); 604 605 mtx_unlock(&Giant); 606 } 607 608 /* 609 * We have a handler function for this so we can check the values when the 610 * user sets them, instead of every time we look at them. 611 */ 612 static int 613 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 614 { 615 int error, value; 616 617 value = *(int *)arg1; 618 619 error = sysctl_handle_int(oidp, &value, 0, req); 620 621 if ((error != 0) 622 || (req->newptr == NULL)) 623 return (error); 624 625 /* 626 * The only real values we can have here are 6 or 10. I don't 627 * really forsee having 12 be an option at any time in the future. 628 * So if the user sets something less than or equal to 6, we'll set 629 * it to 6. If he sets something greater than 6, we'll set it to 10. 630 * 631 * I suppose we could just return an error here for the wrong values, 632 * but I don't think it's necessary to do so, as long as we can 633 * determine the user's intent without too much trouble. 634 */ 635 if (value < 6) 636 value = 6; 637 else if (value > 6) 638 value = 10; 639 640 *(int *)arg1 = value; 641 642 return (0); 643 } 644 645 static cam_status 646 cdregister(struct cam_periph *periph, void *arg) 647 { 648 struct cd_softc *softc; 649 struct ccb_setasync csa; 650 struct ccb_pathinq cpi; 651 struct ccb_getdev *cgd; 652 char tmpstr[80]; 653 caddr_t match; 654 655 cgd = (struct ccb_getdev *)arg; 656 if (periph == NULL) { 657 printf("cdregister: periph was NULL!!\n"); 658 return(CAM_REQ_CMP_ERR); 659 } 660 if (cgd == NULL) { 661 printf("cdregister: no getdev CCB, can't register device\n"); 662 return(CAM_REQ_CMP_ERR); 663 } 664 665 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 666 667 if (softc == NULL) { 668 printf("cdregister: Unable to probe new device. " 669 "Unable to allocate softc\n"); 670 return(CAM_REQ_CMP_ERR); 671 } 672 673 bzero(softc, sizeof(*softc)); 674 LIST_INIT(&softc->pending_ccbs); 675 STAILQ_INIT(&softc->mode_queue); 676 softc->state = CD_STATE_PROBE; 677 bioq_init(&softc->bio_queue); 678 if (SID_IS_REMOVABLE(&cgd->inq_data)) 679 softc->flags |= CD_FLAG_DISC_REMOVABLE; 680 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 681 softc->flags |= CD_FLAG_TAGGED_QUEUING; 682 683 periph->softc = softc; 684 softc->periph = periph; 685 686 /* 687 * See if this device has any quirks. 688 */ 689 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 690 (caddr_t)cd_quirk_table, 691 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 692 sizeof(*cd_quirk_table), scsi_inquiry_match); 693 694 if (match != NULL) 695 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 696 else 697 softc->quirks = CD_Q_NONE; 698 699 /* Check if the SIM does not want 6 byte commands */ 700 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 701 cpi.ccb_h.func_code = XPT_PATH_INQ; 702 xpt_action((union ccb *)&cpi); 703 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 704 softc->quirks |= CD_Q_10_BYTE_ONLY; 705 706 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 707 708 /* The default is 6 byte commands, unless quirked otherwise */ 709 if (softc->quirks & CD_Q_10_BYTE_ONLY) 710 softc->minimum_command_size = 10; 711 else 712 softc->minimum_command_size = 6; 713 714 /* 715 * Load the user's default, if any. 716 */ 717 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 718 periph->unit_number); 719 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 720 721 /* 6 and 10 are the only permissible values here. */ 722 if (softc->minimum_command_size < 6) 723 softc->minimum_command_size = 6; 724 else if (softc->minimum_command_size > 6) 725 softc->minimum_command_size = 10; 726 727 /* 728 * We need to register the statistics structure for this device, 729 * but we don't have the blocksize yet for it. So, we register 730 * the structure and indicate that we don't have the blocksize 731 * yet. Unlike other SCSI peripheral drivers, we explicitly set 732 * the device type here to be CDROM, rather than just ORing in 733 * the device type. This is because this driver can attach to either 734 * CDROM or WORM devices, and we want this peripheral driver to 735 * show up in the devstat list as a CD peripheral driver, not a 736 * WORM peripheral driver. WORM drives will also have the WORM 737 * driver attached to them. 738 */ 739 softc->disk.d_devstat = devstat_new_entry("cd", 740 periph->unit_number, 0, 741 DEVSTAT_BS_UNAVAILABLE, 742 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 743 DEVSTAT_PRIORITY_CD); 744 softc->disk.d_open = cdopen; 745 softc->disk.d_close = cdclose; 746 softc->disk.d_strategy = cdstrategy; 747 softc->disk.d_ioctl = cdioctl; 748 softc->disk.d_name = "cd"; 749 disk_create(periph->unit_number, &softc->disk, 0, NULL, NULL); 750 softc->disk.d_drv1 = periph; 751 752 /* 753 * Add an async callback so that we get 754 * notified if this device goes away. 755 */ 756 xpt_setup_ccb(&csa.ccb_h, periph->path, 757 /* priority */ 5); 758 csa.ccb_h.func_code = XPT_SASYNC_CB; 759 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 760 csa.callback = cdasync; 761 csa.callback_arg = periph; 762 xpt_action((union ccb *)&csa); 763 764 /* 765 * If the target lun is greater than 0, we most likely have a CD 766 * changer device. Check the quirk entries as well, though, just 767 * in case someone has a CD tower with one lun per drive or 768 * something like that. Also, if we know up front that a 769 * particular device is a changer, we can mark it as such starting 770 * with lun 0, instead of lun 1. It shouldn't be necessary to have 771 * a quirk entry to define something as a changer, however. 772 */ 773 if (((cgd->ccb_h.target_lun > 0) 774 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 775 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 776 struct cdchanger *nchanger; 777 struct cam_periph *nperiph; 778 struct cam_path *path; 779 cam_status status; 780 int found; 781 782 /* Set the changer flag in the current device's softc */ 783 softc->flags |= CD_FLAG_CHANGER; 784 785 if (num_changers == 0) 786 STAILQ_INIT(&changerq); 787 788 /* 789 * Now, look around for an existing changer device with the 790 * same path and target ID as the current device. 791 */ 792 for (found = 0, 793 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 794 nchanger != NULL; 795 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 796 if ((nchanger->path_id == cgd->ccb_h.path_id) 797 && (nchanger->target_id == cgd->ccb_h.target_id)) { 798 found = 1; 799 break; 800 } 801 } 802 803 /* 804 * If we found a matching entry, just add this device to 805 * the list of devices on this changer. 806 */ 807 if (found == 1) { 808 struct chdevlist *chlunhead; 809 810 chlunhead = &nchanger->chluns; 811 812 /* 813 * XXX KDM look at consolidating this code with the 814 * code below in a separate function. 815 */ 816 817 /* 818 * Create a path with lun id 0, and see if we can 819 * find a matching device 820 */ 821 status = xpt_create_path(&path, /*periph*/ periph, 822 cgd->ccb_h.path_id, 823 cgd->ccb_h.target_id, 0); 824 825 if ((status == CAM_REQ_CMP) 826 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 827 struct cd_softc *nsoftc; 828 829 nsoftc = (struct cd_softc *)nperiph->softc; 830 831 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 832 nsoftc->flags |= CD_FLAG_CHANGER; 833 nchanger->num_devices++; 834 if (camq_resize(&nchanger->devq, 835 nchanger->num_devices)!=CAM_REQ_CMP){ 836 printf("cdregister: " 837 "camq_resize " 838 "failed, changer " 839 "support may " 840 "be messed up\n"); 841 } 842 nsoftc->changer = nchanger; 843 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 844 845 STAILQ_INSERT_TAIL(&nchanger->chluns, 846 nsoftc,changer_links); 847 } 848 xpt_free_path(path); 849 } else if (status == CAM_REQ_CMP) 850 xpt_free_path(path); 851 else { 852 printf("cdregister: unable to allocate path\n" 853 "cdregister: changer support may be " 854 "broken\n"); 855 } 856 857 nchanger->num_devices++; 858 859 softc->changer = nchanger; 860 softc->pinfo.index = CAM_UNQUEUED_INDEX; 861 862 if (camq_resize(&nchanger->devq, 863 nchanger->num_devices) != CAM_REQ_CMP) { 864 printf("cdregister: camq_resize " 865 "failed, changer support may " 866 "be messed up\n"); 867 } 868 869 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 870 } 871 /* 872 * In this case, we don't already have an entry for this 873 * particular changer, so we need to create one, add it to 874 * the queue, and queue this device on the list for this 875 * changer. Before we queue this device, however, we need 876 * to search for lun id 0 on this target, and add it to the 877 * queue first, if it exists. (and if it hasn't already 878 * been marked as part of the changer.) 879 */ 880 else { 881 nchanger = malloc(sizeof(struct cdchanger), 882 M_DEVBUF, M_NOWAIT); 883 884 if (nchanger == NULL) { 885 softc->flags &= ~CD_FLAG_CHANGER; 886 printf("cdregister: unable to malloc " 887 "changer structure\ncdregister: " 888 "changer support disabled\n"); 889 890 /* 891 * Yes, gotos can be gross but in this case 892 * I think it's justified.. 893 */ 894 goto cdregisterexit; 895 } 896 897 /* zero the structure */ 898 bzero(nchanger, sizeof(struct cdchanger)); 899 900 if (camq_init(&nchanger->devq, 1) != 0) { 901 softc->flags &= ~CD_FLAG_CHANGER; 902 printf("cdregister: changer support " 903 "disabled\n"); 904 goto cdregisterexit; 905 } 906 907 num_changers++; 908 909 nchanger->path_id = cgd->ccb_h.path_id; 910 nchanger->target_id = cgd->ccb_h.target_id; 911 912 /* this is superfluous, but it makes things clearer */ 913 nchanger->num_devices = 0; 914 915 STAILQ_INIT(&nchanger->chluns); 916 917 STAILQ_INSERT_TAIL(&changerq, nchanger, 918 changer_links); 919 920 /* 921 * Create a path with lun id 0, and see if we can 922 * find a matching device 923 */ 924 status = xpt_create_path(&path, /*periph*/ periph, 925 cgd->ccb_h.path_id, 926 cgd->ccb_h.target_id, 0); 927 928 /* 929 * If we were able to allocate the path, and if we 930 * find a matching device and it isn't already 931 * marked as part of a changer, then we add it to 932 * the current changer. 933 */ 934 if ((status == CAM_REQ_CMP) 935 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 936 && ((((struct cd_softc *)periph->softc)->flags & 937 CD_FLAG_CHANGER) == 0)) { 938 struct cd_softc *nsoftc; 939 940 nsoftc = (struct cd_softc *)nperiph->softc; 941 942 nsoftc->flags |= CD_FLAG_CHANGER; 943 nchanger->num_devices++; 944 if (camq_resize(&nchanger->devq, 945 nchanger->num_devices) != CAM_REQ_CMP) { 946 printf("cdregister: camq_resize " 947 "failed, changer support may " 948 "be messed up\n"); 949 } 950 nsoftc->changer = nchanger; 951 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 952 953 STAILQ_INSERT_TAIL(&nchanger->chluns, 954 nsoftc, changer_links); 955 xpt_free_path(path); 956 } else if (status == CAM_REQ_CMP) 957 xpt_free_path(path); 958 else { 959 printf("cdregister: unable to allocate path\n" 960 "cdregister: changer support may be " 961 "broken\n"); 962 } 963 964 softc->changer = nchanger; 965 softc->pinfo.index = CAM_UNQUEUED_INDEX; 966 nchanger->num_devices++; 967 if (camq_resize(&nchanger->devq, 968 nchanger->num_devices) != CAM_REQ_CMP) { 969 printf("cdregister: camq_resize " 970 "failed, changer support may " 971 "be messed up\n"); 972 } 973 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 974 changer_links); 975 } 976 } 977 978 cdregisterexit: 979 980 /* Lock this peripheral until we are setup */ 981 /* Can't block */ 982 cam_periph_lock(periph, PRIBIO); 983 984 if ((softc->flags & CD_FLAG_CHANGER) == 0) 985 xpt_schedule(periph, /*priority*/5); 986 else 987 cdschedule(periph, /*priority*/ 5); 988 989 return(CAM_REQ_CMP); 990 } 991 992 static int 993 cdopen(struct disk *dp) 994 { 995 struct cam_periph *periph; 996 struct cd_softc *softc; 997 int error; 998 int s; 999 1000 periph = (struct cam_periph *)dp->d_drv1; 1001 if (periph == NULL) 1002 return (ENXIO); 1003 1004 softc = (struct cd_softc *)periph->softc; 1005 1006 /* 1007 * Grab splsoftcam and hold it until we lock the peripheral. 1008 */ 1009 s = splsoftcam(); 1010 if (softc->flags & CD_FLAG_INVALID) { 1011 splx(s); 1012 return(ENXIO); 1013 } 1014 1015 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1016 splx(s); 1017 return (error); 1018 } 1019 1020 splx(s); 1021 1022 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1023 return(ENXIO); 1024 1025 /* 1026 * Check for media, and set the appropriate flags. We don't bail 1027 * if we don't have media, but then we don't allow anything but the 1028 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1029 */ 1030 cdcheckmedia(periph); 1031 1032 cam_periph_unlock(periph); 1033 1034 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1035 1036 return (error); 1037 } 1038 1039 static int 1040 cdclose(struct disk *dp) 1041 { 1042 struct cam_periph *periph; 1043 struct cd_softc *softc; 1044 int error; 1045 1046 periph = (struct cam_periph *)dp->d_drv1; 1047 if (periph == NULL) 1048 return (ENXIO); 1049 1050 softc = (struct cd_softc *)periph->softc; 1051 1052 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1053 return (error); 1054 1055 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1056 cdprevent(periph, PR_ALLOW); 1057 1058 /* 1059 * Since we're closing this CD, mark the blocksize as unavailable. 1060 * It will be marked as available when the CD is opened again. 1061 */ 1062 softc->disk.d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1063 1064 /* 1065 * We'll check the media and toc again at the next open(). 1066 */ 1067 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1068 1069 cam_periph_unlock(periph); 1070 cam_periph_release(periph); 1071 1072 return (0); 1073 } 1074 1075 static void 1076 cdshorttimeout(void *arg) 1077 { 1078 struct cdchanger *changer; 1079 int s; 1080 1081 s = splsoftcam(); 1082 1083 changer = (struct cdchanger *)arg; 1084 1085 /* Always clear the short timeout flag, since that's what we're in */ 1086 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1087 1088 /* 1089 * Check to see if there is any more pending or outstanding I/O for 1090 * this device. If not, move it out of the active slot. 1091 */ 1092 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1093 && (changer->cur_device->outstanding_cmds == 0)) { 1094 changer->flags |= CHANGER_MANUAL_CALL; 1095 cdrunchangerqueue(changer); 1096 } 1097 1098 splx(s); 1099 } 1100 1101 /* 1102 * This is a wrapper for xpt_schedule. It only applies to changers. 1103 */ 1104 static void 1105 cdschedule(struct cam_periph *periph, int priority) 1106 { 1107 struct cd_softc *softc; 1108 int s; 1109 1110 s = splsoftcam(); 1111 1112 softc = (struct cd_softc *)periph->softc; 1113 1114 /* 1115 * If this device isn't currently queued, and if it isn't 1116 * the active device, then we queue this device and run the 1117 * changer queue if there is no timeout scheduled to do it. 1118 * If this device is the active device, just schedule it 1119 * to run again. If this device is queued, there should be 1120 * a timeout in place already that will make sure it runs. 1121 */ 1122 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1123 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1124 /* 1125 * We don't do anything with the priority here. 1126 * This is strictly a fifo queue. 1127 */ 1128 softc->pinfo.priority = 1; 1129 softc->pinfo.generation = ++softc->changer->devq.generation; 1130 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1131 1132 /* 1133 * Since we just put a device in the changer queue, 1134 * check and see if there is a timeout scheduled for 1135 * this changer. If so, let the timeout handle 1136 * switching this device into the active slot. If 1137 * not, manually call the timeout routine to 1138 * bootstrap things. 1139 */ 1140 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1141 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1142 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1143 softc->changer->flags |= CHANGER_MANUAL_CALL; 1144 cdrunchangerqueue(softc->changer); 1145 } 1146 } else if ((softc->flags & CD_FLAG_ACTIVE) 1147 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1148 xpt_schedule(periph, priority); 1149 1150 splx(s); 1151 1152 } 1153 1154 static void 1155 cdrunchangerqueue(void *arg) 1156 { 1157 struct cd_softc *softc; 1158 struct cdchanger *changer; 1159 int called_from_timeout; 1160 int s; 1161 1162 s = splsoftcam(); 1163 1164 changer = (struct cdchanger *)arg; 1165 1166 /* 1167 * If we have NOT been called from cdstrategy() or cddone(), and 1168 * instead from a timeout routine, go ahead and clear the 1169 * timeout flag. 1170 */ 1171 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1172 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1173 called_from_timeout = 1; 1174 } else 1175 called_from_timeout = 0; 1176 1177 /* Always clear the manual call flag */ 1178 changer->flags &= ~CHANGER_MANUAL_CALL; 1179 1180 /* nothing to do if the queue is empty */ 1181 if (changer->devq.entries <= 0) { 1182 splx(s); 1183 return; 1184 } 1185 1186 /* 1187 * If the changer queue is frozen, that means we have an active 1188 * device. 1189 */ 1190 if (changer->devq.qfrozen_cnt > 0) { 1191 1192 if (changer->cur_device->outstanding_cmds > 0) { 1193 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1194 changer->cur_device->bufs_left = 1195 changer->cur_device->outstanding_cmds; 1196 if (called_from_timeout) { 1197 changer->long_handle = 1198 timeout(cdrunchangerqueue, changer, 1199 changer_max_busy_seconds * hz); 1200 changer->flags |= CHANGER_TIMEOUT_SCHED; 1201 } 1202 splx(s); 1203 return; 1204 } 1205 1206 /* 1207 * We always need to reset the frozen count and clear the 1208 * active flag. 1209 */ 1210 changer->devq.qfrozen_cnt--; 1211 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1212 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1213 1214 /* 1215 * Check to see whether the current device has any I/O left 1216 * to do. If so, requeue it at the end of the queue. If 1217 * not, there is no need to requeue it. 1218 */ 1219 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1220 1221 changer->cur_device->pinfo.generation = 1222 ++changer->devq.generation; 1223 camq_insert(&changer->devq, 1224 (cam_pinfo *)changer->cur_device); 1225 } 1226 } 1227 1228 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1229 1230 changer->cur_device = softc; 1231 1232 changer->devq.qfrozen_cnt++; 1233 softc->flags |= CD_FLAG_ACTIVE; 1234 1235 /* Just in case this device is waiting */ 1236 wakeup(&softc->changer); 1237 xpt_schedule(softc->periph, /*priority*/ 1); 1238 1239 /* 1240 * Get rid of any pending timeouts, and set a flag to schedule new 1241 * ones so this device gets its full time quantum. 1242 */ 1243 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1244 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1245 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1246 } 1247 1248 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1249 untimeout(cdshorttimeout, changer, changer->short_handle); 1250 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1251 } 1252 1253 /* 1254 * We need to schedule timeouts, but we only do this after the 1255 * first transaction has completed. This eliminates the changer 1256 * switch time. 1257 */ 1258 changer->flags |= CHANGER_NEED_TIMEOUT; 1259 1260 splx(s); 1261 } 1262 1263 static void 1264 cdchangerschedule(struct cd_softc *softc) 1265 { 1266 struct cdchanger *changer; 1267 int s; 1268 1269 s = splsoftcam(); 1270 1271 changer = softc->changer; 1272 1273 /* 1274 * If this is a changer, and this is the current device, 1275 * and this device has at least the minimum time quantum to 1276 * run, see if we can switch it out. 1277 */ 1278 if ((softc->flags & CD_FLAG_ACTIVE) 1279 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1280 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1281 /* 1282 * We try three things here. The first is that we 1283 * check to see whether the schedule on completion 1284 * flag is set. If it is, we decrement the number 1285 * of buffers left, and if it's zero, we reschedule. 1286 * Next, we check to see whether the pending buffer 1287 * queue is empty and whether there are no 1288 * outstanding transactions. If so, we reschedule. 1289 * Next, we see if the pending buffer queue is empty. 1290 * If it is, we set the number of buffers left to 1291 * the current active buffer count and set the 1292 * schedule on complete flag. 1293 */ 1294 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1295 if (--softc->bufs_left == 0) { 1296 softc->changer->flags |= 1297 CHANGER_MANUAL_CALL; 1298 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1299 cdrunchangerqueue(softc->changer); 1300 } 1301 } else if ((bioq_first(&softc->bio_queue) == NULL) 1302 && (softc->outstanding_cmds == 0)) { 1303 softc->changer->flags |= CHANGER_MANUAL_CALL; 1304 cdrunchangerqueue(softc->changer); 1305 } 1306 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1307 && (softc->flags & CD_FLAG_ACTIVE)) { 1308 1309 /* 1310 * Now that the first transaction to this 1311 * particular device has completed, we can go ahead 1312 * and schedule our timeouts. 1313 */ 1314 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1315 changer->long_handle = 1316 timeout(cdrunchangerqueue, changer, 1317 changer_max_busy_seconds * hz); 1318 changer->flags |= CHANGER_TIMEOUT_SCHED; 1319 } else 1320 printf("cdchangerschedule: already have a long" 1321 " timeout!\n"); 1322 1323 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1324 changer->short_handle = 1325 timeout(cdshorttimeout, changer, 1326 changer_min_busy_seconds * hz); 1327 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1328 } else 1329 printf("cdchangerschedule: already have a short " 1330 "timeout!\n"); 1331 1332 /* 1333 * We just scheduled timeouts, no need to schedule 1334 * more. 1335 */ 1336 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1337 1338 } 1339 splx(s); 1340 } 1341 1342 static int 1343 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1344 u_int32_t cam_flags, 1345 u_int32_t sense_flags), 1346 u_int32_t cam_flags, u_int32_t sense_flags) 1347 { 1348 struct cd_softc *softc; 1349 struct cam_periph *periph; 1350 int error; 1351 1352 periph = xpt_path_periph(ccb->ccb_h.path); 1353 softc = (struct cd_softc *)periph->softc; 1354 1355 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1356 softc->disk.d_devstat); 1357 1358 if (softc->flags & CD_FLAG_CHANGER) 1359 cdchangerschedule(softc); 1360 1361 return(error); 1362 } 1363 1364 static union ccb * 1365 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1366 { 1367 struct cd_softc *softc; 1368 int s; 1369 1370 softc = (struct cd_softc *)periph->softc; 1371 1372 if (softc->flags & CD_FLAG_CHANGER) { 1373 1374 s = splsoftcam(); 1375 1376 /* 1377 * This should work the first time this device is woken up, 1378 * but just in case it doesn't, we use a while loop. 1379 */ 1380 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1381 /* 1382 * If this changer isn't already queued, queue it up. 1383 */ 1384 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1385 softc->pinfo.priority = 1; 1386 softc->pinfo.generation = 1387 ++softc->changer->devq.generation; 1388 camq_insert(&softc->changer->devq, 1389 (cam_pinfo *)softc); 1390 } 1391 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1392 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1393 && ((softc->changer->flags 1394 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1395 softc->changer->flags |= CHANGER_MANUAL_CALL; 1396 cdrunchangerqueue(softc->changer); 1397 } else 1398 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1399 } 1400 splx(s); 1401 } 1402 return(cam_periph_getccb(periph, priority)); 1403 } 1404 1405 1406 /* 1407 * Actually translate the requested transfer into one the physical driver 1408 * can understand. The transfer is described by a buf and will include 1409 * only one physical transfer. 1410 */ 1411 static void 1412 cdstrategy(struct bio *bp) 1413 { 1414 struct cam_periph *periph; 1415 struct cd_softc *softc; 1416 int s; 1417 1418 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1419 if (periph == NULL) { 1420 biofinish(bp, NULL, ENXIO); 1421 return; 1422 } 1423 1424 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1425 1426 softc = (struct cd_softc *)periph->softc; 1427 1428 /* 1429 * Mask interrupts so that the pack cannot be invalidated until 1430 * after we are in the queue. Otherwise, we might not properly 1431 * clean up one of the buffers. 1432 */ 1433 s = splbio(); 1434 1435 /* 1436 * If the device has been made invalid, error out 1437 */ 1438 if ((softc->flags & CD_FLAG_INVALID)) { 1439 splx(s); 1440 biofinish(bp, NULL, ENXIO); 1441 return; 1442 } 1443 1444 /* 1445 * If we don't have valid media, look for it before trying to 1446 * schedule the I/O. 1447 */ 1448 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1449 int error; 1450 1451 error = cdcheckmedia(periph); 1452 if (error != 0) { 1453 splx(s); 1454 biofinish(bp, NULL, error); 1455 return; 1456 } 1457 } 1458 1459 /* 1460 * Place it in the queue of disk activities for this disk 1461 */ 1462 bioq_disksort(&softc->bio_queue, bp); 1463 1464 splx(s); 1465 1466 /* 1467 * Schedule ourselves for performing the work. We do things 1468 * differently for changers. 1469 */ 1470 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1471 xpt_schedule(periph, /* XXX priority */1); 1472 else 1473 cdschedule(periph, /* priority */ 1); 1474 1475 return; 1476 } 1477 1478 static void 1479 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1480 { 1481 struct cd_softc *softc; 1482 struct bio *bp; 1483 struct ccb_scsiio *csio; 1484 struct scsi_read_capacity_data *rcap; 1485 int s; 1486 1487 softc = (struct cd_softc *)periph->softc; 1488 1489 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1490 1491 switch (softc->state) { 1492 case CD_STATE_NORMAL: 1493 { 1494 int oldspl; 1495 1496 s = splbio(); 1497 bp = bioq_first(&softc->bio_queue); 1498 if (periph->immediate_priority <= periph->pinfo.priority) { 1499 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1500 1501 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1502 periph_links.sle); 1503 periph->immediate_priority = CAM_PRIORITY_NONE; 1504 splx(s); 1505 wakeup(&periph->ccb_list); 1506 } else if (bp == NULL) { 1507 splx(s); 1508 xpt_release_ccb(start_ccb); 1509 } else { 1510 bioq_remove(&softc->bio_queue, bp); 1511 1512 devstat_start_transaction_bio(softc->disk.d_devstat, bp); 1513 1514 scsi_read_write(&start_ccb->csio, 1515 /*retries*/4, 1516 /* cbfcnp */ cddone, 1517 MSG_SIMPLE_Q_TAG, 1518 /* read */bp->bio_cmd == BIO_READ, 1519 /* byte2 */ 0, 1520 /* minimum_cmd_size */ 10, 1521 /* lba */ bp->bio_offset / 1522 softc->params.blksize, 1523 bp->bio_bcount / softc->params.blksize, 1524 /* data_ptr */ bp->bio_data, 1525 /* dxfer_len */ bp->bio_bcount, 1526 /* sense_len */ SSD_FULL_SIZE, 1527 /* timeout */ 30000); 1528 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1529 1530 1531 /* 1532 * Block out any asyncronous callbacks 1533 * while we touch the pending ccb list. 1534 */ 1535 oldspl = splcam(); 1536 LIST_INSERT_HEAD(&softc->pending_ccbs, 1537 &start_ccb->ccb_h, periph_links.le); 1538 softc->outstanding_cmds++; 1539 splx(oldspl); 1540 1541 /* We expect a unit attention from this device */ 1542 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1543 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1544 softc->flags &= ~CD_FLAG_RETRY_UA; 1545 } 1546 1547 start_ccb->ccb_h.ccb_bp = bp; 1548 bp = bioq_first(&softc->bio_queue); 1549 splx(s); 1550 1551 xpt_action(start_ccb); 1552 } 1553 if (bp != NULL) { 1554 /* Have more work to do, so ensure we stay scheduled */ 1555 xpt_schedule(periph, /* XXX priority */1); 1556 } 1557 break; 1558 } 1559 case CD_STATE_PROBE: 1560 { 1561 1562 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1563 M_TEMP, 1564 M_NOWAIT); 1565 if (rcap == NULL) { 1566 xpt_print_path(periph->path); 1567 printf("cdstart: Couldn't malloc read_capacity data\n"); 1568 /* cd_free_periph??? */ 1569 break; 1570 } 1571 csio = &start_ccb->csio; 1572 scsi_read_capacity(csio, 1573 /*retries*/1, 1574 cddone, 1575 MSG_SIMPLE_Q_TAG, 1576 rcap, 1577 SSD_FULL_SIZE, 1578 /*timeout*/20000); 1579 start_ccb->ccb_h.ccb_bp = NULL; 1580 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1581 xpt_action(start_ccb); 1582 break; 1583 } 1584 } 1585 } 1586 1587 static void 1588 cddone(struct cam_periph *periph, union ccb *done_ccb) 1589 { 1590 struct cd_softc *softc; 1591 struct ccb_scsiio *csio; 1592 1593 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1594 1595 softc = (struct cd_softc *)periph->softc; 1596 csio = &done_ccb->csio; 1597 1598 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1599 case CD_CCB_BUFFER_IO: 1600 { 1601 struct bio *bp; 1602 int error; 1603 int oldspl; 1604 1605 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1606 error = 0; 1607 1608 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1609 int sf; 1610 1611 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1612 sf = SF_RETRY_UA; 1613 else 1614 sf = 0; 1615 1616 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1617 if (error == ERESTART) { 1618 /* 1619 * A retry was scheuled, so 1620 * just return. 1621 */ 1622 return; 1623 } 1624 } 1625 1626 if (error != 0) { 1627 int s; 1628 1629 xpt_print_path(periph->path); 1630 printf("cddone: got error %#x back\n", error); 1631 s = splbio(); 1632 bioq_flush(&softc->bio_queue, NULL, EIO); 1633 splx(s); 1634 bp->bio_resid = bp->bio_bcount; 1635 bp->bio_error = error; 1636 bp->bio_flags |= BIO_ERROR; 1637 cam_release_devq(done_ccb->ccb_h.path, 1638 /*relsim_flags*/0, 1639 /*reduction*/0, 1640 /*timeout*/0, 1641 /*getcount_only*/0); 1642 1643 } else { 1644 bp->bio_resid = csio->resid; 1645 bp->bio_error = 0; 1646 if (bp->bio_resid != 0) { 1647 /* 1648 * Short transfer ??? 1649 * XXX: not sure this is correct for partial 1650 * transfers at EOM 1651 */ 1652 bp->bio_flags |= BIO_ERROR; 1653 } 1654 } 1655 1656 /* 1657 * Block out any asyncronous callbacks 1658 * while we touch the pending ccb list. 1659 */ 1660 oldspl = splcam(); 1661 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1662 softc->outstanding_cmds--; 1663 splx(oldspl); 1664 1665 if (softc->flags & CD_FLAG_CHANGER) 1666 cdchangerschedule(softc); 1667 1668 biofinish(bp, softc->disk.d_devstat, 0); 1669 break; 1670 } 1671 case CD_CCB_PROBE: 1672 { 1673 struct scsi_read_capacity_data *rdcap; 1674 char announce_buf[120]; /* 1675 * Currently (9/30/97) the 1676 * longest possible announce 1677 * buffer is 108 bytes, for the 1678 * first error case below. 1679 * That is 39 bytes for the 1680 * basic string, 16 bytes for the 1681 * biggest sense key (hardware 1682 * error), 52 bytes for the 1683 * text of the largest sense 1684 * qualifier valid for a CDROM, 1685 * (0x72, 0x03 or 0x04, 1686 * 0x03), and one byte for the 1687 * null terminating character. 1688 * To allow for longer strings, 1689 * the announce buffer is 120 1690 * bytes. 1691 */ 1692 struct cd_params *cdp; 1693 1694 cdp = &softc->params; 1695 1696 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1697 1698 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1699 cdp->blksize = scsi_4btoul (rdcap->length); 1700 1701 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1702 1703 snprintf(announce_buf, sizeof(announce_buf), 1704 "cd present [%lu x %lu byte records]", 1705 cdp->disksize, (u_long)cdp->blksize); 1706 1707 } else { 1708 int error; 1709 /* 1710 * Retry any UNIT ATTENTION type errors. They 1711 * are expected at boot. 1712 */ 1713 error = cderror(done_ccb, CAM_RETRY_SELTO, 1714 SF_RETRY_UA | SF_NO_PRINT); 1715 if (error == ERESTART) { 1716 /* 1717 * A retry was scheuled, so 1718 * just return. 1719 */ 1720 return; 1721 } else if (error != 0) { 1722 1723 struct scsi_sense_data *sense; 1724 int asc, ascq; 1725 int sense_key, error_code; 1726 int have_sense; 1727 cam_status status; 1728 struct ccb_getdev cgd; 1729 1730 /* Don't wedge this device's queue */ 1731 cam_release_devq(done_ccb->ccb_h.path, 1732 /*relsim_flags*/0, 1733 /*reduction*/0, 1734 /*timeout*/0, 1735 /*getcount_only*/0); 1736 1737 status = done_ccb->ccb_h.status; 1738 1739 xpt_setup_ccb(&cgd.ccb_h, 1740 done_ccb->ccb_h.path, 1741 /* priority */ 1); 1742 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1743 xpt_action((union ccb *)&cgd); 1744 1745 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1746 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1747 || ((status & CAM_AUTOSNS_VALID) == 0)) 1748 have_sense = FALSE; 1749 else 1750 have_sense = TRUE; 1751 1752 if (have_sense) { 1753 sense = &csio->sense_data; 1754 scsi_extract_sense(sense, &error_code, 1755 &sense_key, 1756 &asc, &ascq); 1757 } 1758 /* 1759 * Attach to anything that claims to be a 1760 * CDROM or WORM device, as long as it 1761 * doesn't return a "Logical unit not 1762 * supported" (0x25) error. 1763 */ 1764 if ((have_sense) && (asc != 0x25) 1765 && (error_code == SSD_CURRENT_ERROR)) { 1766 const char *sense_key_desc; 1767 const char *asc_desc; 1768 1769 scsi_sense_desc(sense_key, asc, ascq, 1770 &cgd.inq_data, 1771 &sense_key_desc, 1772 &asc_desc); 1773 snprintf(announce_buf, 1774 sizeof(announce_buf), 1775 "Attempt to query device " 1776 "size failed: %s, %s", 1777 sense_key_desc, 1778 asc_desc); 1779 } else if ((have_sense == 0) 1780 && ((status & CAM_STATUS_MASK) == 1781 CAM_SCSI_STATUS_ERROR) 1782 && (csio->scsi_status == 1783 SCSI_STATUS_BUSY)) { 1784 snprintf(announce_buf, 1785 sizeof(announce_buf), 1786 "Attempt to query device " 1787 "size failed: SCSI Status: %s", 1788 scsi_status_string(csio)); 1789 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1790 /* 1791 * We only print out an error for 1792 * CDROM type devices. For WORM 1793 * devices, we don't print out an 1794 * error since a few WORM devices 1795 * don't support CDROM commands. 1796 * If we have sense information, go 1797 * ahead and print it out. 1798 * Otherwise, just say that we 1799 * couldn't attach. 1800 */ 1801 1802 /* 1803 * Just print out the error, not 1804 * the full probe message, when we 1805 * don't attach. 1806 */ 1807 if (have_sense) 1808 scsi_sense_print( 1809 &done_ccb->csio); 1810 else { 1811 xpt_print_path(periph->path); 1812 printf("got CAM status %#x\n", 1813 done_ccb->ccb_h.status); 1814 } 1815 xpt_print_path(periph->path); 1816 printf("fatal error, failed" 1817 " to attach to device\n"); 1818 1819 /* 1820 * Invalidate this peripheral. 1821 */ 1822 cam_periph_invalidate(periph); 1823 1824 announce_buf[0] = '\0'; 1825 } else { 1826 1827 /* 1828 * Invalidate this peripheral. 1829 */ 1830 cam_periph_invalidate(periph); 1831 announce_buf[0] = '\0'; 1832 } 1833 } 1834 } 1835 free(rdcap, M_TEMP); 1836 if (announce_buf[0] != '\0') { 1837 xpt_announce_periph(periph, announce_buf); 1838 if (softc->flags & CD_FLAG_CHANGER) 1839 cdchangerschedule(softc); 1840 /* 1841 * Create our sysctl variables, now that we know 1842 * we have successfully attached. 1843 */ 1844 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1845 } 1846 softc->state = CD_STATE_NORMAL; 1847 /* 1848 * Since our peripheral may be invalidated by an error 1849 * above or an external event, we must release our CCB 1850 * before releasing the probe lock on the peripheral. 1851 * The peripheral will only go away once the last lock 1852 * is removed, and we need it around for the CCB release 1853 * operation. 1854 */ 1855 xpt_release_ccb(done_ccb); 1856 cam_periph_unlock(periph); 1857 return; 1858 } 1859 case CD_CCB_WAITING: 1860 { 1861 /* Caller will release the CCB */ 1862 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1863 ("trying to wakeup ccbwait\n")); 1864 1865 wakeup(&done_ccb->ccb_h.cbfcnp); 1866 return; 1867 } 1868 default: 1869 break; 1870 } 1871 xpt_release_ccb(done_ccb); 1872 } 1873 1874 static union cd_pages * 1875 cdgetpage(struct cd_mode_params *mode_params) 1876 { 1877 union cd_pages *page; 1878 1879 if (mode_params->cdb_size == 10) 1880 page = (union cd_pages *)find_mode_page_10( 1881 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1882 else 1883 page = (union cd_pages *)find_mode_page_6( 1884 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1885 1886 return (page); 1887 } 1888 1889 static int 1890 cdgetpagesize(int page_num) 1891 { 1892 int i; 1893 1894 for (i = 0; i < (sizeof(cd_page_size_table)/ 1895 sizeof(cd_page_size_table[0])); i++) { 1896 if (cd_page_size_table[i].page == page_num) 1897 return (cd_page_size_table[i].page_size); 1898 } 1899 1900 return (-1); 1901 } 1902 1903 static int 1904 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1905 { 1906 1907 struct cam_periph *periph; 1908 struct cd_softc *softc; 1909 int error; 1910 1911 periph = (struct cam_periph *)dp->d_drv1; 1912 if (periph == NULL) 1913 return(ENXIO); 1914 1915 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1916 1917 softc = (struct cd_softc *)periph->softc; 1918 1919 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1920 ("trying to do ioctl %#lx\n", cmd)); 1921 1922 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1923 1924 if (error != 0) 1925 return(error); 1926 /* 1927 * If we don't have media loaded, check for it. If still don't 1928 * have media loaded, we can only do a load or eject. 1929 */ 1930 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1931 && ((cmd != CDIOCCLOSE) 1932 && (cmd != CDIOCEJECT))) { 1933 error = cdcheckmedia(periph); 1934 if (error != 0) { 1935 cam_periph_unlock(periph); 1936 return (error); 1937 } 1938 } 1939 1940 switch (cmd) { 1941 1942 case CDIOCPLAYTRACKS: 1943 { 1944 struct ioc_play_track *args 1945 = (struct ioc_play_track *) addr; 1946 struct cd_mode_params params; 1947 union cd_pages *page; 1948 1949 params.alloc_len = sizeof(union cd_mode_data_6_10); 1950 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1951 M_WAITOK | M_ZERO); 1952 1953 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1954 ("trying to do CDIOCPLAYTRACKS\n")); 1955 1956 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1957 if (error) { 1958 free(params.mode_buf, M_TEMP); 1959 break; 1960 } 1961 page = cdgetpage(¶ms); 1962 1963 page->audio.flags &= ~CD_PA_SOTC; 1964 page->audio.flags |= CD_PA_IMMED; 1965 error = cdsetmode(periph, ¶ms); 1966 free(params.mode_buf, M_TEMP); 1967 if (error) 1968 break; 1969 1970 /* 1971 * This was originally implemented with the PLAY 1972 * AUDIO TRACK INDEX command, but that command was 1973 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1974 * drives support it but ATAPI and ATAPI-derivative 1975 * drives don't seem to support it. So we keep a 1976 * cache of the table of contents and translate 1977 * track numbers to MSF format. 1978 */ 1979 if (softc->flags & CD_FLAG_VALID_TOC) { 1980 union msf_lba *sentry, *eentry; 1981 int st, et; 1982 1983 if (args->end_track < 1984 softc->toc.header.ending_track + 1) 1985 args->end_track++; 1986 if (args->end_track > 1987 softc->toc.header.ending_track + 1) 1988 args->end_track = 1989 softc->toc.header.ending_track + 1; 1990 st = args->start_track - 1991 softc->toc.header.starting_track; 1992 et = args->end_track - 1993 softc->toc.header.starting_track; 1994 if ((st < 0) 1995 || (et < 0) 1996 || (st > (softc->toc.header.ending_track - 1997 softc->toc.header.starting_track))) { 1998 error = EINVAL; 1999 break; 2000 } 2001 sentry = &softc->toc.entries[st].addr; 2002 eentry = &softc->toc.entries[et].addr; 2003 error = cdplaymsf(periph, 2004 sentry->msf.minute, 2005 sentry->msf.second, 2006 sentry->msf.frame, 2007 eentry->msf.minute, 2008 eentry->msf.second, 2009 eentry->msf.frame); 2010 } else { 2011 /* 2012 * If we don't have a valid TOC, try the 2013 * play track index command. It is part of 2014 * the SCSI-2 spec, but was removed in the 2015 * MMC specs. ATAPI and ATAPI-derived 2016 * drives don't support it. 2017 */ 2018 if (softc->quirks & CD_Q_BCD_TRACKS) { 2019 args->start_track = 2020 bin2bcd(args->start_track); 2021 args->end_track = 2022 bin2bcd(args->end_track); 2023 } 2024 error = cdplaytracks(periph, 2025 args->start_track, 2026 args->start_index, 2027 args->end_track, 2028 args->end_index); 2029 } 2030 } 2031 break; 2032 case CDIOCPLAYMSF: 2033 { 2034 struct ioc_play_msf *args 2035 = (struct ioc_play_msf *) addr; 2036 struct cd_mode_params params; 2037 union cd_pages *page; 2038 2039 params.alloc_len = sizeof(union cd_mode_data_6_10); 2040 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2041 M_WAITOK | M_ZERO); 2042 2043 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2044 ("trying to do CDIOCPLAYMSF\n")); 2045 2046 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2047 if (error) { 2048 free(params.mode_buf, M_TEMP); 2049 break; 2050 } 2051 page = cdgetpage(¶ms); 2052 2053 page->audio.flags &= ~CD_PA_SOTC; 2054 page->audio.flags |= CD_PA_IMMED; 2055 error = cdsetmode(periph, ¶ms); 2056 free(params.mode_buf, M_TEMP); 2057 if (error) 2058 break; 2059 error = cdplaymsf(periph, 2060 args->start_m, 2061 args->start_s, 2062 args->start_f, 2063 args->end_m, 2064 args->end_s, 2065 args->end_f); 2066 } 2067 break; 2068 case CDIOCPLAYBLOCKS: 2069 { 2070 struct ioc_play_blocks *args 2071 = (struct ioc_play_blocks *) addr; 2072 struct cd_mode_params params; 2073 union cd_pages *page; 2074 2075 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2076 ("trying to do CDIOCPLAYBLOCKS\n")); 2077 2078 params.alloc_len = sizeof(union cd_mode_data_6_10); 2079 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2080 M_WAITOK | M_ZERO); 2081 2082 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2083 if (error) { 2084 free(params.mode_buf, M_TEMP); 2085 break; 2086 } 2087 page = cdgetpage(¶ms); 2088 2089 page->audio.flags &= ~CD_PA_SOTC; 2090 page->audio.flags |= CD_PA_IMMED; 2091 error = cdsetmode(periph, ¶ms); 2092 free(params.mode_buf, M_TEMP); 2093 if (error) 2094 break; 2095 error = cdplay(periph, args->blk, args->len); 2096 } 2097 break; 2098 case CDIOCREADSUBCHANNEL: 2099 { 2100 struct ioc_read_subchannel *args 2101 = (struct ioc_read_subchannel *) addr; 2102 struct cd_sub_channel_info *data; 2103 u_int32_t len = args->data_len; 2104 2105 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2106 ("trying to do CDIOCREADSUBCHANNEL\n")); 2107 2108 data = malloc(sizeof(struct cd_sub_channel_info), 2109 M_TEMP, M_WAITOK); 2110 2111 if ((len > sizeof(struct cd_sub_channel_info)) || 2112 (len < sizeof(struct cd_sub_channel_header))) { 2113 printf( 2114 "scsi_cd: cdioctl: " 2115 "cdioreadsubchannel: error, len=%d\n", 2116 len); 2117 error = EINVAL; 2118 free(data, M_TEMP); 2119 break; 2120 } 2121 2122 if (softc->quirks & CD_Q_BCD_TRACKS) 2123 args->track = bin2bcd(args->track); 2124 2125 error = cdreadsubchannel(periph, args->address_format, 2126 args->data_format, args->track, data, len); 2127 2128 if (error) { 2129 free(data, M_TEMP); 2130 break; 2131 } 2132 if (softc->quirks & CD_Q_BCD_TRACKS) 2133 data->what.track_info.track_number = 2134 bcd2bin(data->what.track_info.track_number); 2135 len = min(len, ((data->header.data_len[0] << 8) + 2136 data->header.data_len[1] + 2137 sizeof(struct cd_sub_channel_header))); 2138 if (copyout(data, args->data, len) != 0) { 2139 error = EFAULT; 2140 } 2141 free(data, M_TEMP); 2142 } 2143 break; 2144 2145 case CDIOREADTOCHEADER: 2146 { 2147 struct ioc_toc_header *th; 2148 2149 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2150 ("trying to do CDIOREADTOCHEADER\n")); 2151 2152 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2153 M_WAITOK); 2154 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2155 sizeof (*th), /*sense_flags*/0); 2156 if (error) { 2157 free(th, M_TEMP); 2158 break; 2159 } 2160 if (softc->quirks & CD_Q_BCD_TRACKS) { 2161 /* we are going to have to convert the BCD 2162 * encoding on the cd to what is expected 2163 */ 2164 th->starting_track = 2165 bcd2bin(th->starting_track); 2166 th->ending_track = bcd2bin(th->ending_track); 2167 } 2168 th->len = ntohs(th->len); 2169 bcopy(th, addr, sizeof(*th)); 2170 free(th, M_TEMP); 2171 } 2172 break; 2173 case CDIOREADTOCENTRYS: 2174 { 2175 struct cd_tocdata *data; 2176 struct cd_toc_single *lead; 2177 struct ioc_read_toc_entry *te = 2178 (struct ioc_read_toc_entry *) addr; 2179 struct ioc_toc_header *th; 2180 u_int32_t len, readlen, idx, num; 2181 u_int32_t starting_track = te->starting_track; 2182 2183 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2184 ("trying to do CDIOREADTOCENTRYS\n")); 2185 2186 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2187 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2188 2189 if (te->data_len < sizeof(struct cd_toc_entry) 2190 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2191 || (te->address_format != CD_MSF_FORMAT 2192 && te->address_format != CD_LBA_FORMAT)) { 2193 error = EINVAL; 2194 printf("scsi_cd: error in readtocentries, " 2195 "returning EINVAL\n"); 2196 free(data, M_TEMP); 2197 free(lead, M_TEMP); 2198 break; 2199 } 2200 2201 th = &data->header; 2202 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2203 sizeof (*th), /*sense_flags*/0); 2204 if (error) { 2205 free(data, M_TEMP); 2206 free(lead, M_TEMP); 2207 break; 2208 } 2209 2210 if (softc->quirks & CD_Q_BCD_TRACKS) { 2211 /* we are going to have to convert the BCD 2212 * encoding on the cd to what is expected 2213 */ 2214 th->starting_track = 2215 bcd2bin(th->starting_track); 2216 th->ending_track = bcd2bin(th->ending_track); 2217 } 2218 2219 if (starting_track == 0) 2220 starting_track = th->starting_track; 2221 else if (starting_track == LEADOUT) 2222 starting_track = th->ending_track + 1; 2223 else if (starting_track < th->starting_track || 2224 starting_track > th->ending_track + 1) { 2225 printf("scsi_cd: error in readtocentries, " 2226 "returning EINVAL\n"); 2227 free(data, M_TEMP); 2228 free(lead, M_TEMP); 2229 error = EINVAL; 2230 break; 2231 } 2232 2233 /* calculate reading length without leadout entry */ 2234 readlen = (th->ending_track - starting_track + 1) * 2235 sizeof(struct cd_toc_entry); 2236 2237 /* and with leadout entry */ 2238 len = readlen + sizeof(struct cd_toc_entry); 2239 if (te->data_len < len) { 2240 len = te->data_len; 2241 if (readlen > len) 2242 readlen = len; 2243 } 2244 if (len > sizeof(data->entries)) { 2245 printf("scsi_cd: error in readtocentries, " 2246 "returning EINVAL\n"); 2247 error = EINVAL; 2248 free(data, M_TEMP); 2249 free(lead, M_TEMP); 2250 break; 2251 } 2252 num = len / sizeof(struct cd_toc_entry); 2253 2254 if (readlen > 0) { 2255 error = cdreadtoc(periph, te->address_format, 2256 starting_track, 2257 (u_int8_t *)data, 2258 readlen + sizeof (*th), 2259 /*sense_flags*/0); 2260 if (error) { 2261 free(data, M_TEMP); 2262 free(lead, M_TEMP); 2263 break; 2264 } 2265 } 2266 2267 /* make leadout entry if needed */ 2268 idx = starting_track + num - 1; 2269 if (softc->quirks & CD_Q_BCD_TRACKS) 2270 th->ending_track = bcd2bin(th->ending_track); 2271 if (idx == th->ending_track + 1) { 2272 error = cdreadtoc(periph, te->address_format, 2273 LEADOUT, (u_int8_t *)lead, 2274 sizeof(*lead), 2275 /*sense_flags*/0); 2276 if (error) { 2277 free(data, M_TEMP); 2278 free(lead, M_TEMP); 2279 break; 2280 } 2281 data->entries[idx - starting_track] = 2282 lead->entry; 2283 } 2284 if (softc->quirks & CD_Q_BCD_TRACKS) { 2285 for (idx = 0; idx < num - 1; idx++) { 2286 data->entries[idx].track = 2287 bcd2bin(data->entries[idx].track); 2288 } 2289 } 2290 2291 error = copyout(data->entries, te->data, len); 2292 free(data, M_TEMP); 2293 free(lead, M_TEMP); 2294 } 2295 break; 2296 case CDIOREADTOCENTRY: 2297 { 2298 struct cd_toc_single *data; 2299 struct ioc_read_toc_single_entry *te = 2300 (struct ioc_read_toc_single_entry *) addr; 2301 struct ioc_toc_header *th; 2302 u_int32_t track; 2303 2304 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2305 ("trying to do CDIOREADTOCENTRY\n")); 2306 2307 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2308 2309 if (te->address_format != CD_MSF_FORMAT 2310 && te->address_format != CD_LBA_FORMAT) { 2311 printf("error in readtocentry, " 2312 " returning EINVAL\n"); 2313 free(data, M_TEMP); 2314 error = EINVAL; 2315 break; 2316 } 2317 2318 th = &data->header; 2319 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2320 sizeof (*th), /*sense_flags*/0); 2321 if (error) { 2322 free(data, M_TEMP); 2323 break; 2324 } 2325 2326 if (softc->quirks & CD_Q_BCD_TRACKS) { 2327 /* we are going to have to convert the BCD 2328 * encoding on the cd to what is expected 2329 */ 2330 th->starting_track = 2331 bcd2bin(th->starting_track); 2332 th->ending_track = bcd2bin(th->ending_track); 2333 } 2334 track = te->track; 2335 if (track == 0) 2336 track = th->starting_track; 2337 else if (track == LEADOUT) 2338 /* OK */; 2339 else if (track < th->starting_track || 2340 track > th->ending_track + 1) { 2341 printf("error in readtocentry, " 2342 " returning EINVAL\n"); 2343 free(data, M_TEMP); 2344 error = EINVAL; 2345 break; 2346 } 2347 2348 error = cdreadtoc(periph, te->address_format, track, 2349 (u_int8_t *)data, sizeof(*data), 2350 /*sense_flags*/0); 2351 if (error) { 2352 free(data, M_TEMP); 2353 break; 2354 } 2355 2356 if (softc->quirks & CD_Q_BCD_TRACKS) 2357 data->entry.track = bcd2bin(data->entry.track); 2358 bcopy(&data->entry, &te->entry, 2359 sizeof(struct cd_toc_entry)); 2360 free(data, M_TEMP); 2361 } 2362 break; 2363 case CDIOCSETPATCH: 2364 { 2365 struct ioc_patch *arg = (struct ioc_patch *)addr; 2366 struct cd_mode_params params; 2367 union cd_pages *page; 2368 2369 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2370 ("trying to do CDIOCSETPATCH\n")); 2371 2372 params.alloc_len = sizeof(union cd_mode_data_6_10); 2373 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2374 M_WAITOK | M_ZERO); 2375 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2376 if (error) { 2377 free(params.mode_buf, M_TEMP); 2378 break; 2379 } 2380 page = cdgetpage(¶ms); 2381 2382 page->audio.port[LEFT_PORT].channels = 2383 arg->patch[0]; 2384 page->audio.port[RIGHT_PORT].channels = 2385 arg->patch[1]; 2386 page->audio.port[2].channels = arg->patch[2]; 2387 page->audio.port[3].channels = arg->patch[3]; 2388 error = cdsetmode(periph, ¶ms); 2389 free(params.mode_buf, M_TEMP); 2390 } 2391 break; 2392 case CDIOCGETVOL: 2393 { 2394 struct ioc_vol *arg = (struct ioc_vol *) addr; 2395 struct cd_mode_params params; 2396 union cd_pages *page; 2397 2398 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2399 ("trying to do CDIOCGETVOL\n")); 2400 2401 params.alloc_len = sizeof(union cd_mode_data_6_10); 2402 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2403 M_WAITOK | M_ZERO); 2404 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2405 if (error) { 2406 free(params.mode_buf, M_TEMP); 2407 break; 2408 } 2409 page = cdgetpage(¶ms); 2410 2411 arg->vol[LEFT_PORT] = 2412 page->audio.port[LEFT_PORT].volume; 2413 arg->vol[RIGHT_PORT] = 2414 page->audio.port[RIGHT_PORT].volume; 2415 arg->vol[2] = page->audio.port[2].volume; 2416 arg->vol[3] = page->audio.port[3].volume; 2417 free(params.mode_buf, M_TEMP); 2418 } 2419 break; 2420 case CDIOCSETVOL: 2421 { 2422 struct ioc_vol *arg = (struct ioc_vol *) addr; 2423 struct cd_mode_params params; 2424 union cd_pages *page; 2425 2426 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2427 ("trying to do CDIOCSETVOL\n")); 2428 2429 params.alloc_len = sizeof(union cd_mode_data_6_10); 2430 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2431 M_WAITOK | M_ZERO); 2432 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2433 if (error) { 2434 free(params.mode_buf, M_TEMP); 2435 break; 2436 } 2437 page = cdgetpage(¶ms); 2438 2439 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2440 page->audio.port[LEFT_PORT].volume = 2441 arg->vol[LEFT_PORT]; 2442 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2443 page->audio.port[RIGHT_PORT].volume = 2444 arg->vol[RIGHT_PORT]; 2445 page->audio.port[2].volume = arg->vol[2]; 2446 page->audio.port[3].volume = arg->vol[3]; 2447 error = cdsetmode(periph, ¶ms); 2448 free(params.mode_buf, M_TEMP); 2449 } 2450 break; 2451 case CDIOCSETMONO: 2452 { 2453 struct cd_mode_params params; 2454 union cd_pages *page; 2455 2456 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2457 ("trying to do CDIOCSETMONO\n")); 2458 2459 params.alloc_len = sizeof(union cd_mode_data_6_10); 2460 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2461 M_WAITOK | M_ZERO); 2462 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2463 if (error) { 2464 free(params.mode_buf, M_TEMP); 2465 break; 2466 } 2467 page = cdgetpage(¶ms); 2468 2469 page->audio.port[LEFT_PORT].channels = 2470 LEFT_CHANNEL | RIGHT_CHANNEL; 2471 page->audio.port[RIGHT_PORT].channels = 2472 LEFT_CHANNEL | RIGHT_CHANNEL; 2473 page->audio.port[2].channels = 0; 2474 page->audio.port[3].channels = 0; 2475 error = cdsetmode(periph, ¶ms); 2476 free(params.mode_buf, M_TEMP); 2477 } 2478 break; 2479 case CDIOCSETSTEREO: 2480 { 2481 struct cd_mode_params params; 2482 union cd_pages *page; 2483 2484 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2485 ("trying to do CDIOCSETSTEREO\n")); 2486 2487 params.alloc_len = sizeof(union cd_mode_data_6_10); 2488 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2489 M_WAITOK | M_ZERO); 2490 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2491 if (error) { 2492 free(params.mode_buf, M_TEMP); 2493 break; 2494 } 2495 page = cdgetpage(¶ms); 2496 2497 page->audio.port[LEFT_PORT].channels = 2498 LEFT_CHANNEL; 2499 page->audio.port[RIGHT_PORT].channels = 2500 RIGHT_CHANNEL; 2501 page->audio.port[2].channels = 0; 2502 page->audio.port[3].channels = 0; 2503 error = cdsetmode(periph, ¶ms); 2504 free(params.mode_buf, M_TEMP); 2505 } 2506 break; 2507 case CDIOCSETMUTE: 2508 { 2509 struct cd_mode_params params; 2510 union cd_pages *page; 2511 2512 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2513 ("trying to do CDIOCSETMUTE\n")); 2514 2515 params.alloc_len = sizeof(union cd_mode_data_6_10); 2516 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2517 M_WAITOK | M_ZERO); 2518 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2519 if (error) { 2520 free(¶ms, M_TEMP); 2521 break; 2522 } 2523 page = cdgetpage(¶ms); 2524 2525 page->audio.port[LEFT_PORT].channels = 0; 2526 page->audio.port[RIGHT_PORT].channels = 0; 2527 page->audio.port[2].channels = 0; 2528 page->audio.port[3].channels = 0; 2529 error = cdsetmode(periph, ¶ms); 2530 free(params.mode_buf, M_TEMP); 2531 } 2532 break; 2533 case CDIOCSETLEFT: 2534 { 2535 struct cd_mode_params params; 2536 union cd_pages *page; 2537 2538 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2539 ("trying to do CDIOCSETLEFT\n")); 2540 2541 params.alloc_len = sizeof(union cd_mode_data_6_10); 2542 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2543 M_WAITOK | M_ZERO); 2544 2545 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2546 if (error) { 2547 free(params.mode_buf, M_TEMP); 2548 break; 2549 } 2550 page = cdgetpage(¶ms); 2551 2552 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2553 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2554 page->audio.port[2].channels = 0; 2555 page->audio.port[3].channels = 0; 2556 error = cdsetmode(periph, ¶ms); 2557 free(params.mode_buf, M_TEMP); 2558 } 2559 break; 2560 case CDIOCSETRIGHT: 2561 { 2562 struct cd_mode_params params; 2563 union cd_pages *page; 2564 2565 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2566 ("trying to do CDIOCSETRIGHT\n")); 2567 2568 params.alloc_len = sizeof(union cd_mode_data_6_10); 2569 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2570 M_WAITOK | M_ZERO); 2571 2572 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2573 if (error) { 2574 free(params.mode_buf, M_TEMP); 2575 break; 2576 } 2577 page = cdgetpage(¶ms); 2578 2579 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2580 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2581 page->audio.port[2].channels = 0; 2582 page->audio.port[3].channels = 0; 2583 error = cdsetmode(periph, ¶ms); 2584 free(params.mode_buf, M_TEMP); 2585 } 2586 break; 2587 case CDIOCRESUME: 2588 error = cdpause(periph, 1); 2589 break; 2590 case CDIOCPAUSE: 2591 error = cdpause(periph, 0); 2592 break; 2593 case CDIOCSTART: 2594 error = cdstartunit(periph, 0); 2595 break; 2596 case CDIOCCLOSE: 2597 error = cdstartunit(periph, 1); 2598 break; 2599 case CDIOCSTOP: 2600 error = cdstopunit(periph, 0); 2601 break; 2602 case CDIOCEJECT: 2603 error = cdstopunit(periph, 1); 2604 break; 2605 case CDIOCALLOW: 2606 cdprevent(periph, PR_ALLOW); 2607 break; 2608 case CDIOCPREVENT: 2609 cdprevent(periph, PR_PREVENT); 2610 break; 2611 case CDIOCSETDEBUG: 2612 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2613 error = ENOTTY; 2614 break; 2615 case CDIOCCLRDEBUG: 2616 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2617 error = ENOTTY; 2618 break; 2619 case CDIOCRESET: 2620 /* return (cd_reset(periph)); */ 2621 error = ENOTTY; 2622 break; 2623 case CDRIOCREADSPEED: 2624 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2625 break; 2626 case CDRIOCWRITESPEED: 2627 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2628 break; 2629 case DVDIOCSENDKEY: 2630 case DVDIOCREPORTKEY: { 2631 struct dvd_authinfo *authinfo; 2632 2633 authinfo = (struct dvd_authinfo *)addr; 2634 2635 if (cmd == DVDIOCREPORTKEY) 2636 error = cdreportkey(periph, authinfo); 2637 else 2638 error = cdsendkey(periph, authinfo); 2639 break; 2640 } 2641 case DVDIOCREADSTRUCTURE: { 2642 struct dvd_struct *dvdstruct; 2643 2644 dvdstruct = (struct dvd_struct *)addr; 2645 2646 error = cdreaddvdstructure(periph, dvdstruct); 2647 2648 break; 2649 } 2650 default: 2651 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2652 break; 2653 } 2654 2655 cam_periph_unlock(periph); 2656 2657 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2658 if (error && bootverbose) { 2659 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2660 } 2661 2662 return (error); 2663 } 2664 2665 static void 2666 cdprevent(struct cam_periph *periph, int action) 2667 { 2668 union ccb *ccb; 2669 struct cd_softc *softc; 2670 int error; 2671 2672 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2673 2674 softc = (struct cd_softc *)periph->softc; 2675 2676 if (((action == PR_ALLOW) 2677 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2678 || ((action == PR_PREVENT) 2679 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2680 return; 2681 } 2682 2683 ccb = cdgetccb(periph, /* priority */ 1); 2684 2685 scsi_prevent(&ccb->csio, 2686 /*retries*/ 1, 2687 cddone, 2688 MSG_SIMPLE_Q_TAG, 2689 action, 2690 SSD_FULL_SIZE, 2691 /* timeout */60000); 2692 2693 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2694 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2695 2696 xpt_release_ccb(ccb); 2697 2698 if (error == 0) { 2699 if (action == PR_ALLOW) 2700 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2701 else 2702 softc->flags |= CD_FLAG_DISC_LOCKED; 2703 } 2704 } 2705 2706 /* 2707 * XXX: the disk media and sector size is only really able to change 2708 * XXX: while the device is closed. 2709 */ 2710 static int 2711 cdcheckmedia(struct cam_periph *periph) 2712 { 2713 struct cd_softc *softc; 2714 struct ioc_toc_header *toch; 2715 struct cd_toc_single leadout; 2716 u_int32_t size, toclen; 2717 int error, num_entries, cdindex; 2718 2719 softc = (struct cd_softc *)periph->softc; 2720 2721 cdprevent(periph, PR_PREVENT); 2722 softc->disk.d_maxsize = DFLTPHYS; 2723 softc->disk.d_sectorsize = 0; 2724 softc->disk.d_mediasize = 0; 2725 2726 /* 2727 * Get the disc size and block size. If we can't get it, we don't 2728 * have media, most likely. 2729 */ 2730 if ((error = cdsize(periph, &size)) != 0) { 2731 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2732 cdprevent(periph, PR_ALLOW); 2733 return (error); 2734 } else 2735 softc->flags |= CD_FLAG_VALID_MEDIA; 2736 2737 /* 2738 * Now we check the table of contents. This (currently) is only 2739 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2740 * things like present a separate entry in /dev for each track, 2741 * like that acd(4) driver does. 2742 */ 2743 bzero(&softc->toc, sizeof(softc->toc)); 2744 toch = &softc->toc.header; 2745 /* 2746 * We will get errors here for media that doesn't have a table of 2747 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2748 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2749 * has not been recorded (no complete session) and the Format codes 2750 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2751 * with an INVALID FIELD IN CDB. Devices that are not capable of 2752 * reading an incomplete session on DDC/CD-R/RW media shall report 2753 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2754 * 2755 * So this isn't fatal if we can't read the table of contents, it 2756 * just means that the user won't be able to issue the play tracks 2757 * ioctl, and likely lots of other stuff won't work either. They 2758 * need to burn the CD before we can do a whole lot with it. So 2759 * we don't print anything here if we get an error back. 2760 */ 2761 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2762 SF_NO_PRINT); 2763 /* 2764 * Errors in reading the table of contents aren't fatal, we just 2765 * won't have a valid table of contents cached. 2766 */ 2767 if (error != 0) { 2768 error = 0; 2769 bzero(&softc->toc, sizeof(softc->toc)); 2770 goto bailout; 2771 } 2772 2773 if (softc->quirks & CD_Q_BCD_TRACKS) { 2774 toch->starting_track = bcd2bin(toch->starting_track); 2775 toch->ending_track = bcd2bin(toch->ending_track); 2776 } 2777 2778 /* Number of TOC entries, plus leadout */ 2779 num_entries = (toch->ending_track - toch->starting_track) + 2; 2780 2781 if (num_entries <= 0) 2782 goto bailout; 2783 2784 toclen = num_entries * sizeof(struct cd_toc_entry); 2785 2786 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2787 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2788 SF_NO_PRINT); 2789 if (error != 0) { 2790 error = 0; 2791 bzero(&softc->toc, sizeof(softc->toc)); 2792 goto bailout; 2793 } 2794 2795 if (softc->quirks & CD_Q_BCD_TRACKS) { 2796 toch->starting_track = bcd2bin(toch->starting_track); 2797 toch->ending_track = bcd2bin(toch->ending_track); 2798 } 2799 /* 2800 * XXX KDM is this necessary? Probably only if the drive doesn't 2801 * return leadout information with the table of contents. 2802 */ 2803 cdindex = toch->starting_track + num_entries -1; 2804 if (cdindex == toch->ending_track + 1) { 2805 2806 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2807 (u_int8_t *)&leadout, sizeof(leadout), 2808 SF_NO_PRINT); 2809 if (error != 0) { 2810 error = 0; 2811 goto bailout; 2812 } 2813 softc->toc.entries[cdindex - toch->starting_track] = 2814 leadout.entry; 2815 } 2816 if (softc->quirks & CD_Q_BCD_TRACKS) { 2817 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2818 softc->toc.entries[cdindex].track = 2819 bcd2bin(softc->toc.entries[cdindex].track); 2820 } 2821 } 2822 2823 softc->flags |= CD_FLAG_VALID_TOC; 2824 softc->disk.d_maxsize = DFLTPHYS; 2825 softc->disk.d_sectorsize = softc->params.blksize; 2826 softc->disk.d_mediasize = 2827 (off_t)softc->params.blksize * softc->params.disksize; 2828 2829 bailout: 2830 2831 /* 2832 * We unconditionally (re)set the blocksize each time the 2833 * CD device is opened. This is because the CD can change, 2834 * and therefore the blocksize might change. 2835 * XXX problems here if some slice or partition is still 2836 * open with the old size? 2837 */ 2838 if ((softc->disk.d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2839 softc->disk.d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2840 softc->disk.d_devstat->block_size = softc->params.blksize; 2841 2842 return (error); 2843 } 2844 2845 static int 2846 cdsize(struct cam_periph *periph, u_int32_t *size) 2847 { 2848 struct cd_softc *softc; 2849 union ccb *ccb; 2850 struct scsi_read_capacity_data *rcap_buf; 2851 int error; 2852 2853 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2854 2855 softc = (struct cd_softc *)periph->softc; 2856 2857 ccb = cdgetccb(periph, /* priority */ 1); 2858 2859 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2860 M_TEMP, M_WAITOK); 2861 2862 scsi_read_capacity(&ccb->csio, 2863 /*retries*/ 1, 2864 cddone, 2865 MSG_SIMPLE_Q_TAG, 2866 rcap_buf, 2867 SSD_FULL_SIZE, 2868 /* timeout */20000); 2869 2870 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2871 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2872 2873 xpt_release_ccb(ccb); 2874 2875 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2876 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2877 /* 2878 * SCSI-3 mandates that the reported blocksize shall be 2048. 2879 * Older drives sometimes report funny values, trim it down to 2880 * 2048, or other parts of the kernel will get confused. 2881 * 2882 * XXX we leave drives alone that might report 512 bytes, as 2883 * well as drives reporting more weird sizes like perhaps 4K. 2884 */ 2885 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2886 softc->params.blksize = 2048; 2887 2888 free(rcap_buf, M_TEMP); 2889 *size = softc->params.disksize; 2890 2891 return (error); 2892 2893 } 2894 2895 static int 2896 cd6byteworkaround(union ccb *ccb) 2897 { 2898 u_int8_t *cdb; 2899 struct cam_periph *periph; 2900 struct cd_softc *softc; 2901 struct cd_mode_params *params; 2902 int frozen, found; 2903 2904 periph = xpt_path_periph(ccb->ccb_h.path); 2905 softc = (struct cd_softc *)periph->softc; 2906 2907 cdb = ccb->csio.cdb_io.cdb_bytes; 2908 2909 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2910 || ((cdb[0] != MODE_SENSE_6) 2911 && (cdb[0] != MODE_SELECT_6))) 2912 return (0); 2913 2914 /* 2915 * Because there is no convenient place to stash the overall 2916 * cd_mode_params structure pointer, we have to grab it like this. 2917 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2918 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2919 * 2920 * XXX It would be nice if, at some point, we could increase the 2921 * number of available peripheral private pointers. Both pointers 2922 * are currently used in most every peripheral driver. 2923 */ 2924 found = 0; 2925 2926 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2927 if (params->mode_buf == ccb->csio.data_ptr) { 2928 found = 1; 2929 break; 2930 } 2931 } 2932 2933 /* 2934 * This shouldn't happen. All mode sense and mode select 2935 * operations in the cd(4) driver MUST go through cdgetmode() and 2936 * cdsetmode()! 2937 */ 2938 if (found == 0) { 2939 xpt_print_path(periph->path); 2940 printf("mode buffer not found in mode queue!\n"); 2941 return (0); 2942 } 2943 2944 params->cdb_size = 10; 2945 softc->minimum_command_size = 10; 2946 xpt_print_path(ccb->ccb_h.path); 2947 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2948 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2949 2950 if (cdb[0] == MODE_SENSE_6) { 2951 struct scsi_mode_sense_10 ms10; 2952 struct scsi_mode_sense_6 *ms6; 2953 int len; 2954 2955 ms6 = (struct scsi_mode_sense_6 *)cdb; 2956 2957 bzero(&ms10, sizeof(ms10)); 2958 ms10.opcode = MODE_SENSE_10; 2959 ms10.byte2 = ms6->byte2; 2960 ms10.page = ms6->page; 2961 2962 /* 2963 * 10 byte mode header, block descriptor, 2964 * sizeof(union cd_pages) 2965 */ 2966 len = sizeof(struct cd_mode_data_10); 2967 ccb->csio.dxfer_len = len; 2968 2969 scsi_ulto2b(len, ms10.length); 2970 ms10.control = ms6->control; 2971 bcopy(&ms10, cdb, 10); 2972 ccb->csio.cdb_len = 10; 2973 } else { 2974 struct scsi_mode_select_10 ms10; 2975 struct scsi_mode_select_6 *ms6; 2976 struct scsi_mode_header_6 *header6; 2977 struct scsi_mode_header_10 *header10; 2978 struct scsi_mode_page_header *page_header; 2979 int blk_desc_len, page_num, page_size, len; 2980 2981 ms6 = (struct scsi_mode_select_6 *)cdb; 2982 2983 bzero(&ms10, sizeof(ms10)); 2984 ms10.opcode = MODE_SELECT_10; 2985 ms10.byte2 = ms6->byte2; 2986 2987 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2988 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2989 2990 page_header = find_mode_page_6(header6); 2991 page_num = page_header->page_code; 2992 2993 blk_desc_len = header6->blk_desc_len; 2994 2995 page_size = cdgetpagesize(page_num); 2996 2997 if (page_size != (page_header->page_length + 2998 sizeof(*page_header))) 2999 page_size = page_header->page_length + 3000 sizeof(*page_header); 3001 3002 len = sizeof(*header10) + blk_desc_len + page_size; 3003 3004 len = min(params->alloc_len, len); 3005 3006 /* 3007 * Since the 6 byte parameter header is shorter than the 10 3008 * byte parameter header, we need to copy the actual mode 3009 * page data, and the block descriptor, if any, so things wind 3010 * up in the right place. The regions will overlap, but 3011 * bcopy() does the right thing. 3012 */ 3013 bcopy(params->mode_buf + sizeof(*header6), 3014 params->mode_buf + sizeof(*header10), 3015 len - sizeof(*header10)); 3016 3017 /* Make sure these fields are set correctly. */ 3018 scsi_ulto2b(0, header10->data_length); 3019 header10->medium_type = 0; 3020 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3021 3022 ccb->csio.dxfer_len = len; 3023 3024 scsi_ulto2b(len, ms10.length); 3025 ms10.control = ms6->control; 3026 bcopy(&ms10, cdb, 10); 3027 ccb->csio.cdb_len = 10; 3028 } 3029 3030 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3031 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3032 xpt_action(ccb); 3033 if (frozen) { 3034 cam_release_devq(ccb->ccb_h.path, 3035 /*relsim_flags*/0, 3036 /*openings*/0, 3037 /*timeout*/0, 3038 /*getcount_only*/0); 3039 } 3040 3041 return (ERESTART); 3042 } 3043 3044 static int 3045 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3046 { 3047 struct cd_softc *softc; 3048 struct cam_periph *periph; 3049 int error; 3050 3051 periph = xpt_path_periph(ccb->ccb_h.path); 3052 softc = (struct cd_softc *)periph->softc; 3053 3054 error = 0; 3055 3056 /* 3057 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3058 * CDB comes back with this particular error, try transforming it 3059 * into the 10 byte version. 3060 */ 3061 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3062 error = cd6byteworkaround(ccb); 3063 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3064 CAM_SCSI_STATUS_ERROR) 3065 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3066 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3067 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3068 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3069 int sense_key, error_code, asc, ascq; 3070 3071 scsi_extract_sense(&ccb->csio.sense_data, 3072 &error_code, &sense_key, &asc, &ascq); 3073 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3074 error = cd6byteworkaround(ccb); 3075 } 3076 3077 if (error == ERESTART) 3078 return (error); 3079 3080 /* 3081 * XXX 3082 * Until we have a better way of doing pack validation, 3083 * don't treat UAs as errors. 3084 */ 3085 sense_flags |= SF_RETRY_UA; 3086 return (cam_periph_error(ccb, cam_flags, sense_flags, 3087 &softc->saved_ccb)); 3088 } 3089 3090 /* 3091 * Read table of contents 3092 */ 3093 static int 3094 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3095 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3096 { 3097 struct scsi_read_toc *scsi_cmd; 3098 u_int32_t ntoc; 3099 struct ccb_scsiio *csio; 3100 union ccb *ccb; 3101 int error; 3102 3103 ntoc = len; 3104 error = 0; 3105 3106 ccb = cdgetccb(periph, /* priority */ 1); 3107 3108 csio = &ccb->csio; 3109 3110 cam_fill_csio(csio, 3111 /* retries */ 1, 3112 /* cbfcnp */ cddone, 3113 /* flags */ CAM_DIR_IN, 3114 /* tag_action */ MSG_SIMPLE_Q_TAG, 3115 /* data_ptr */ data, 3116 /* dxfer_len */ len, 3117 /* sense_len */ SSD_FULL_SIZE, 3118 sizeof(struct scsi_read_toc), 3119 /* timeout */ 50000); 3120 3121 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3122 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3123 3124 if (mode == CD_MSF_FORMAT) 3125 scsi_cmd->byte2 |= CD_MSF; 3126 scsi_cmd->from_track = start; 3127 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3128 scsi_cmd->data_len[0] = (ntoc) >> 8; 3129 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3130 3131 scsi_cmd->op_code = READ_TOC; 3132 3133 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3134 /*sense_flags*/SF_RETRY_UA | sense_flags); 3135 3136 xpt_release_ccb(ccb); 3137 3138 return(error); 3139 } 3140 3141 static int 3142 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3143 u_int32_t format, int track, 3144 struct cd_sub_channel_info *data, u_int32_t len) 3145 { 3146 struct scsi_read_subchannel *scsi_cmd; 3147 struct ccb_scsiio *csio; 3148 union ccb *ccb; 3149 int error; 3150 3151 error = 0; 3152 3153 ccb = cdgetccb(periph, /* priority */ 1); 3154 3155 csio = &ccb->csio; 3156 3157 cam_fill_csio(csio, 3158 /* retries */ 1, 3159 /* cbfcnp */ cddone, 3160 /* flags */ CAM_DIR_IN, 3161 /* tag_action */ MSG_SIMPLE_Q_TAG, 3162 /* data_ptr */ (u_int8_t *)data, 3163 /* dxfer_len */ len, 3164 /* sense_len */ SSD_FULL_SIZE, 3165 sizeof(struct scsi_read_subchannel), 3166 /* timeout */ 50000); 3167 3168 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3169 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3170 3171 scsi_cmd->op_code = READ_SUBCHANNEL; 3172 if (mode == CD_MSF_FORMAT) 3173 scsi_cmd->byte1 |= CD_MSF; 3174 scsi_cmd->byte2 = SRS_SUBQ; 3175 scsi_cmd->subchan_format = format; 3176 scsi_cmd->track = track; 3177 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3178 scsi_cmd->control = 0; 3179 3180 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3181 /*sense_flags*/SF_RETRY_UA); 3182 3183 xpt_release_ccb(ccb); 3184 3185 return(error); 3186 } 3187 3188 3189 /* 3190 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3191 * routine. See comments in cd6byteworkaround() for details. 3192 */ 3193 static int 3194 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3195 u_int32_t page) 3196 { 3197 struct ccb_scsiio *csio; 3198 struct cd_softc *softc; 3199 union ccb *ccb; 3200 int param_len; 3201 int error; 3202 3203 softc = (struct cd_softc *)periph->softc; 3204 3205 ccb = cdgetccb(periph, /* priority */ 1); 3206 3207 csio = &ccb->csio; 3208 3209 data->cdb_size = softc->minimum_command_size; 3210 if (data->cdb_size < 10) 3211 param_len = sizeof(struct cd_mode_data); 3212 else 3213 param_len = sizeof(struct cd_mode_data_10); 3214 3215 /* Don't say we've got more room than we actually allocated */ 3216 param_len = min(param_len, data->alloc_len); 3217 3218 scsi_mode_sense_len(csio, 3219 /* retries */ 1, 3220 /* cbfcnp */ cddone, 3221 /* tag_action */ MSG_SIMPLE_Q_TAG, 3222 /* dbd */ 0, 3223 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3224 /* page */ page, 3225 /* param_buf */ data->mode_buf, 3226 /* param_len */ param_len, 3227 /* minimum_cmd_size */ softc->minimum_command_size, 3228 /* sense_len */ SSD_FULL_SIZE, 3229 /* timeout */ 50000); 3230 3231 /* 3232 * It would be nice not to have to do this, but there's no 3233 * available pointer in the CCB that would allow us to stuff the 3234 * mode params structure in there and retrieve it in 3235 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3236 * lets the caller know what CDB size we ended up using, so they 3237 * can find the actual mode page offset. 3238 */ 3239 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3240 3241 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3242 /*sense_flags*/SF_RETRY_UA); 3243 3244 xpt_release_ccb(ccb); 3245 3246 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3247 3248 /* 3249 * This is a bit of belt-and-suspenders checking, but if we run 3250 * into a situation where the target sends back multiple block 3251 * descriptors, we might not have enough space in the buffer to 3252 * see the whole mode page. Better to return an error than 3253 * potentially access memory beyond our malloced region. 3254 */ 3255 if (error == 0) { 3256 u_int32_t data_len; 3257 3258 if (data->cdb_size == 10) { 3259 struct scsi_mode_header_10 *hdr10; 3260 3261 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3262 data_len = scsi_2btoul(hdr10->data_length); 3263 data_len += sizeof(hdr10->data_length); 3264 } else { 3265 struct scsi_mode_header_6 *hdr6; 3266 3267 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3268 data_len = hdr6->data_length; 3269 data_len += sizeof(hdr6->data_length); 3270 } 3271 3272 /* 3273 * Complain if there is more mode data available than we 3274 * allocated space for. This could potentially happen if 3275 * we miscalculated the page length for some reason, if the 3276 * drive returns multiple block descriptors, or if it sets 3277 * the data length incorrectly. 3278 */ 3279 if (data_len > data->alloc_len) { 3280 xpt_print_path(periph->path); 3281 printf("allocated modepage %d length %d < returned " 3282 "length %d\n", page, data->alloc_len, data_len); 3283 3284 error = ENOSPC; 3285 } 3286 } 3287 return (error); 3288 } 3289 3290 /* 3291 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3292 * routine. See comments in cd6byteworkaround() for details. 3293 */ 3294 static int 3295 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3296 { 3297 struct ccb_scsiio *csio; 3298 struct cd_softc *softc; 3299 union ccb *ccb; 3300 int cdb_size, param_len; 3301 int error; 3302 3303 softc = (struct cd_softc *)periph->softc; 3304 3305 ccb = cdgetccb(periph, /* priority */ 1); 3306 3307 csio = &ccb->csio; 3308 3309 error = 0; 3310 3311 /* 3312 * If the data is formatted for the 10 byte version of the mode 3313 * select parameter list, we need to use the 10 byte CDB. 3314 * Otherwise, we use whatever the stored minimum command size. 3315 */ 3316 if (data->cdb_size == 10) 3317 cdb_size = data->cdb_size; 3318 else 3319 cdb_size = softc->minimum_command_size; 3320 3321 if (cdb_size >= 10) { 3322 struct scsi_mode_header_10 *mode_header; 3323 u_int32_t data_len; 3324 3325 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3326 3327 data_len = scsi_2btoul(mode_header->data_length); 3328 3329 scsi_ulto2b(0, mode_header->data_length); 3330 /* 3331 * SONY drives do not allow a mode select with a medium_type 3332 * value that has just been returned by a mode sense; use a 3333 * medium_type of 0 (Default) instead. 3334 */ 3335 mode_header->medium_type = 0; 3336 3337 /* 3338 * Pass back whatever the drive passed to us, plus the size 3339 * of the data length field. 3340 */ 3341 param_len = data_len + sizeof(mode_header->data_length); 3342 3343 } else { 3344 struct scsi_mode_header_6 *mode_header; 3345 3346 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3347 3348 param_len = mode_header->data_length + 1; 3349 3350 mode_header->data_length = 0; 3351 /* 3352 * SONY drives do not allow a mode select with a medium_type 3353 * value that has just been returned by a mode sense; use a 3354 * medium_type of 0 (Default) instead. 3355 */ 3356 mode_header->medium_type = 0; 3357 } 3358 3359 /* Don't say we've got more room than we actually allocated */ 3360 param_len = min(param_len, data->alloc_len); 3361 3362 scsi_mode_select_len(csio, 3363 /* retries */ 1, 3364 /* cbfcnp */ cddone, 3365 /* tag_action */ MSG_SIMPLE_Q_TAG, 3366 /* scsi_page_fmt */ 1, 3367 /* save_pages */ 0, 3368 /* param_buf */ data->mode_buf, 3369 /* param_len */ param_len, 3370 /* minimum_cmd_size */ cdb_size, 3371 /* sense_len */ SSD_FULL_SIZE, 3372 /* timeout */ 50000); 3373 3374 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3375 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3376 3377 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3378 /*sense_flags*/SF_RETRY_UA); 3379 3380 xpt_release_ccb(ccb); 3381 3382 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3383 3384 return (error); 3385 } 3386 3387 3388 static int 3389 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3390 { 3391 struct ccb_scsiio *csio; 3392 union ccb *ccb; 3393 int error; 3394 u_int8_t cdb_len; 3395 3396 error = 0; 3397 ccb = cdgetccb(periph, /* priority */ 1); 3398 csio = &ccb->csio; 3399 /* 3400 * Use the smallest possible command to perform the operation. 3401 */ 3402 if ((len & 0xffff0000) == 0) { 3403 /* 3404 * We can fit in a 10 byte cdb. 3405 */ 3406 struct scsi_play_10 *scsi_cmd; 3407 3408 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3409 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3410 scsi_cmd->op_code = PLAY_10; 3411 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3412 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3413 cdb_len = sizeof(*scsi_cmd); 3414 } else { 3415 struct scsi_play_12 *scsi_cmd; 3416 3417 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3418 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3419 scsi_cmd->op_code = PLAY_12; 3420 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3421 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3422 cdb_len = sizeof(*scsi_cmd); 3423 } 3424 cam_fill_csio(csio, 3425 /*retries*/2, 3426 cddone, 3427 /*flags*/CAM_DIR_NONE, 3428 MSG_SIMPLE_Q_TAG, 3429 /*dataptr*/NULL, 3430 /*datalen*/0, 3431 /*sense_len*/SSD_FULL_SIZE, 3432 cdb_len, 3433 /*timeout*/50 * 1000); 3434 3435 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3436 /*sense_flags*/SF_RETRY_UA); 3437 3438 xpt_release_ccb(ccb); 3439 3440 return(error); 3441 } 3442 3443 static int 3444 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3445 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3446 { 3447 struct scsi_play_msf *scsi_cmd; 3448 struct ccb_scsiio *csio; 3449 union ccb *ccb; 3450 int error; 3451 3452 error = 0; 3453 3454 ccb = cdgetccb(periph, /* priority */ 1); 3455 3456 csio = &ccb->csio; 3457 3458 cam_fill_csio(csio, 3459 /* retries */ 1, 3460 /* cbfcnp */ cddone, 3461 /* flags */ CAM_DIR_NONE, 3462 /* tag_action */ MSG_SIMPLE_Q_TAG, 3463 /* data_ptr */ NULL, 3464 /* dxfer_len */ 0, 3465 /* sense_len */ SSD_FULL_SIZE, 3466 sizeof(struct scsi_play_msf), 3467 /* timeout */ 50000); 3468 3469 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3470 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3471 3472 scsi_cmd->op_code = PLAY_MSF; 3473 scsi_cmd->start_m = startm; 3474 scsi_cmd->start_s = starts; 3475 scsi_cmd->start_f = startf; 3476 scsi_cmd->end_m = endm; 3477 scsi_cmd->end_s = ends; 3478 scsi_cmd->end_f = endf; 3479 3480 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3481 /*sense_flags*/SF_RETRY_UA); 3482 3483 xpt_release_ccb(ccb); 3484 3485 return(error); 3486 } 3487 3488 3489 static int 3490 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3491 u_int32_t etrack, u_int32_t eindex) 3492 { 3493 struct scsi_play_track *scsi_cmd; 3494 struct ccb_scsiio *csio; 3495 union ccb *ccb; 3496 int error; 3497 3498 error = 0; 3499 3500 ccb = cdgetccb(periph, /* priority */ 1); 3501 3502 csio = &ccb->csio; 3503 3504 cam_fill_csio(csio, 3505 /* retries */ 1, 3506 /* cbfcnp */ cddone, 3507 /* flags */ CAM_DIR_NONE, 3508 /* tag_action */ MSG_SIMPLE_Q_TAG, 3509 /* data_ptr */ NULL, 3510 /* dxfer_len */ 0, 3511 /* sense_len */ SSD_FULL_SIZE, 3512 sizeof(struct scsi_play_track), 3513 /* timeout */ 50000); 3514 3515 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3516 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3517 3518 scsi_cmd->op_code = PLAY_TRACK; 3519 scsi_cmd->start_track = strack; 3520 scsi_cmd->start_index = sindex; 3521 scsi_cmd->end_track = etrack; 3522 scsi_cmd->end_index = eindex; 3523 3524 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3525 /*sense_flags*/SF_RETRY_UA); 3526 3527 xpt_release_ccb(ccb); 3528 3529 return(error); 3530 } 3531 3532 static int 3533 cdpause(struct cam_periph *periph, u_int32_t go) 3534 { 3535 struct scsi_pause *scsi_cmd; 3536 struct ccb_scsiio *csio; 3537 union ccb *ccb; 3538 int error; 3539 3540 error = 0; 3541 3542 ccb = cdgetccb(periph, /* priority */ 1); 3543 3544 csio = &ccb->csio; 3545 3546 cam_fill_csio(csio, 3547 /* retries */ 1, 3548 /* cbfcnp */ cddone, 3549 /* flags */ CAM_DIR_NONE, 3550 /* tag_action */ MSG_SIMPLE_Q_TAG, 3551 /* data_ptr */ NULL, 3552 /* dxfer_len */ 0, 3553 /* sense_len */ SSD_FULL_SIZE, 3554 sizeof(struct scsi_pause), 3555 /* timeout */ 50000); 3556 3557 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3558 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3559 3560 scsi_cmd->op_code = PAUSE; 3561 scsi_cmd->resume = go; 3562 3563 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3564 /*sense_flags*/SF_RETRY_UA); 3565 3566 xpt_release_ccb(ccb); 3567 3568 return(error); 3569 } 3570 3571 static int 3572 cdstartunit(struct cam_periph *periph, int load) 3573 { 3574 union ccb *ccb; 3575 int error; 3576 3577 error = 0; 3578 3579 ccb = cdgetccb(periph, /* priority */ 1); 3580 3581 scsi_start_stop(&ccb->csio, 3582 /* retries */ 1, 3583 /* cbfcnp */ cddone, 3584 /* tag_action */ MSG_SIMPLE_Q_TAG, 3585 /* start */ TRUE, 3586 /* load_eject */ load, 3587 /* immediate */ FALSE, 3588 /* sense_len */ SSD_FULL_SIZE, 3589 /* timeout */ 50000); 3590 3591 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3592 /*sense_flags*/SF_RETRY_UA); 3593 3594 xpt_release_ccb(ccb); 3595 3596 return(error); 3597 } 3598 3599 static int 3600 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3601 { 3602 union ccb *ccb; 3603 int error; 3604 3605 error = 0; 3606 3607 ccb = cdgetccb(periph, /* priority */ 1); 3608 3609 scsi_start_stop(&ccb->csio, 3610 /* retries */ 1, 3611 /* cbfcnp */ cddone, 3612 /* tag_action */ MSG_SIMPLE_Q_TAG, 3613 /* start */ FALSE, 3614 /* load_eject */ eject, 3615 /* immediate */ FALSE, 3616 /* sense_len */ SSD_FULL_SIZE, 3617 /* timeout */ 50000); 3618 3619 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3620 /*sense_flags*/SF_RETRY_UA); 3621 3622 xpt_release_ccb(ccb); 3623 3624 return(error); 3625 } 3626 3627 static int 3628 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3629 { 3630 struct scsi_set_speed *scsi_cmd; 3631 struct ccb_scsiio *csio; 3632 union ccb *ccb; 3633 int error; 3634 3635 error = 0; 3636 ccb = cdgetccb(periph, /* priority */ 1); 3637 csio = &ccb->csio; 3638 3639 /* Preserve old behavior: units in multiples of CDROM speed */ 3640 if (rdspeed < 177) 3641 rdspeed *= 177; 3642 if (wrspeed < 177) 3643 wrspeed *= 177; 3644 3645 cam_fill_csio(csio, 3646 /* retries */ 1, 3647 /* cbfcnp */ cddone, 3648 /* flags */ CAM_DIR_NONE, 3649 /* tag_action */ MSG_SIMPLE_Q_TAG, 3650 /* data_ptr */ NULL, 3651 /* dxfer_len */ 0, 3652 /* sense_len */ SSD_FULL_SIZE, 3653 sizeof(struct scsi_set_speed), 3654 /* timeout */ 50000); 3655 3656 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3657 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3658 3659 scsi_cmd->opcode = SET_CD_SPEED; 3660 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3661 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3662 3663 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3664 /*sense_flags*/SF_RETRY_UA); 3665 3666 xpt_release_ccb(ccb); 3667 3668 return(error); 3669 } 3670 3671 static int 3672 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3673 { 3674 union ccb *ccb; 3675 u_int8_t *databuf; 3676 u_int32_t lba; 3677 int error; 3678 int length; 3679 3680 error = 0; 3681 databuf = NULL; 3682 lba = 0; 3683 3684 ccb = cdgetccb(periph, /* priority */ 1); 3685 3686 switch (authinfo->format) { 3687 case DVD_REPORT_AGID: 3688 length = sizeof(struct scsi_report_key_data_agid); 3689 break; 3690 case DVD_REPORT_CHALLENGE: 3691 length = sizeof(struct scsi_report_key_data_challenge); 3692 break; 3693 case DVD_REPORT_KEY1: 3694 length = sizeof(struct scsi_report_key_data_key1_key2); 3695 break; 3696 case DVD_REPORT_TITLE_KEY: 3697 length = sizeof(struct scsi_report_key_data_title); 3698 /* The lba field is only set for the title key */ 3699 lba = authinfo->lba; 3700 break; 3701 case DVD_REPORT_ASF: 3702 length = sizeof(struct scsi_report_key_data_asf); 3703 break; 3704 case DVD_REPORT_RPC: 3705 length = sizeof(struct scsi_report_key_data_rpc); 3706 break; 3707 case DVD_INVALIDATE_AGID: 3708 length = 0; 3709 break; 3710 default: 3711 error = EINVAL; 3712 goto bailout; 3713 break; /* NOTREACHED */ 3714 } 3715 3716 if (length != 0) { 3717 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3718 } else 3719 databuf = NULL; 3720 3721 3722 scsi_report_key(&ccb->csio, 3723 /* retries */ 1, 3724 /* cbfcnp */ cddone, 3725 /* tag_action */ MSG_SIMPLE_Q_TAG, 3726 /* lba */ lba, 3727 /* agid */ authinfo->agid, 3728 /* key_format */ authinfo->format, 3729 /* data_ptr */ databuf, 3730 /* dxfer_len */ length, 3731 /* sense_len */ SSD_FULL_SIZE, 3732 /* timeout */ 50000); 3733 3734 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3735 /*sense_flags*/SF_RETRY_UA); 3736 3737 if (error != 0) 3738 goto bailout; 3739 3740 if (ccb->csio.resid != 0) { 3741 xpt_print_path(periph->path); 3742 printf("warning, residual for report key command is %d\n", 3743 ccb->csio.resid); 3744 } 3745 3746 switch(authinfo->format) { 3747 case DVD_REPORT_AGID: { 3748 struct scsi_report_key_data_agid *agid_data; 3749 3750 agid_data = (struct scsi_report_key_data_agid *)databuf; 3751 3752 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3753 RKD_AGID_SHIFT; 3754 break; 3755 } 3756 case DVD_REPORT_CHALLENGE: { 3757 struct scsi_report_key_data_challenge *chal_data; 3758 3759 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3760 3761 bcopy(chal_data->challenge_key, authinfo->keychal, 3762 min(sizeof(chal_data->challenge_key), 3763 sizeof(authinfo->keychal))); 3764 break; 3765 } 3766 case DVD_REPORT_KEY1: { 3767 struct scsi_report_key_data_key1_key2 *key1_data; 3768 3769 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3770 3771 bcopy(key1_data->key1, authinfo->keychal, 3772 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3773 break; 3774 } 3775 case DVD_REPORT_TITLE_KEY: { 3776 struct scsi_report_key_data_title *title_data; 3777 3778 title_data = (struct scsi_report_key_data_title *)databuf; 3779 3780 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3781 RKD_TITLE_CPM_SHIFT; 3782 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3783 RKD_TITLE_CP_SEC_SHIFT; 3784 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3785 RKD_TITLE_CMGS_SHIFT; 3786 bcopy(title_data->title_key, authinfo->keychal, 3787 min(sizeof(title_data->title_key), 3788 sizeof(authinfo->keychal))); 3789 break; 3790 } 3791 case DVD_REPORT_ASF: { 3792 struct scsi_report_key_data_asf *asf_data; 3793 3794 asf_data = (struct scsi_report_key_data_asf *)databuf; 3795 3796 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3797 break; 3798 } 3799 case DVD_REPORT_RPC: { 3800 struct scsi_report_key_data_rpc *rpc_data; 3801 3802 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3803 3804 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3805 RKD_RPC_TYPE_SHIFT; 3806 authinfo->vend_rsts = 3807 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3808 RKD_RPC_VENDOR_RESET_SHIFT; 3809 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3810 authinfo->region = rpc_data->region_mask; 3811 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3812 break; 3813 } 3814 case DVD_INVALIDATE_AGID: 3815 break; 3816 default: 3817 /* This should be impossible, since we checked above */ 3818 error = EINVAL; 3819 goto bailout; 3820 break; /* NOTREACHED */ 3821 } 3822 bailout: 3823 if (databuf != NULL) 3824 free(databuf, M_DEVBUF); 3825 3826 xpt_release_ccb(ccb); 3827 3828 return(error); 3829 } 3830 3831 static int 3832 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3833 { 3834 union ccb *ccb; 3835 u_int8_t *databuf; 3836 int length; 3837 int error; 3838 3839 error = 0; 3840 databuf = NULL; 3841 3842 ccb = cdgetccb(periph, /* priority */ 1); 3843 3844 switch(authinfo->format) { 3845 case DVD_SEND_CHALLENGE: { 3846 struct scsi_report_key_data_challenge *challenge_data; 3847 3848 length = sizeof(*challenge_data); 3849 3850 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3851 3852 databuf = (u_int8_t *)challenge_data; 3853 3854 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3855 challenge_data->data_len); 3856 3857 bcopy(authinfo->keychal, challenge_data->challenge_key, 3858 min(sizeof(authinfo->keychal), 3859 sizeof(challenge_data->challenge_key))); 3860 break; 3861 } 3862 case DVD_SEND_KEY2: { 3863 struct scsi_report_key_data_key1_key2 *key2_data; 3864 3865 length = sizeof(*key2_data); 3866 3867 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3868 3869 databuf = (u_int8_t *)key2_data; 3870 3871 scsi_ulto2b(length - sizeof(key2_data->data_len), 3872 key2_data->data_len); 3873 3874 bcopy(authinfo->keychal, key2_data->key1, 3875 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3876 3877 break; 3878 } 3879 case DVD_SEND_RPC: { 3880 struct scsi_send_key_data_rpc *rpc_data; 3881 3882 length = sizeof(*rpc_data); 3883 3884 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3885 3886 databuf = (u_int8_t *)rpc_data; 3887 3888 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3889 rpc_data->data_len); 3890 3891 rpc_data->region_code = authinfo->region; 3892 break; 3893 } 3894 default: 3895 error = EINVAL; 3896 goto bailout; 3897 break; /* NOTREACHED */ 3898 } 3899 3900 scsi_send_key(&ccb->csio, 3901 /* retries */ 1, 3902 /* cbfcnp */ cddone, 3903 /* tag_action */ MSG_SIMPLE_Q_TAG, 3904 /* agid */ authinfo->agid, 3905 /* key_format */ authinfo->format, 3906 /* data_ptr */ databuf, 3907 /* dxfer_len */ length, 3908 /* sense_len */ SSD_FULL_SIZE, 3909 /* timeout */ 50000); 3910 3911 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3912 /*sense_flags*/SF_RETRY_UA); 3913 3914 bailout: 3915 3916 if (databuf != NULL) 3917 free(databuf, M_DEVBUF); 3918 3919 xpt_release_ccb(ccb); 3920 3921 return(error); 3922 } 3923 3924 static int 3925 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3926 { 3927 union ccb *ccb; 3928 u_int8_t *databuf; 3929 u_int32_t address; 3930 int error; 3931 int length; 3932 3933 error = 0; 3934 databuf = NULL; 3935 /* The address is reserved for many of the formats */ 3936 address = 0; 3937 3938 ccb = cdgetccb(periph, /* priority */ 1); 3939 3940 switch(dvdstruct->format) { 3941 case DVD_STRUCT_PHYSICAL: 3942 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3943 break; 3944 case DVD_STRUCT_COPYRIGHT: 3945 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3946 break; 3947 case DVD_STRUCT_DISCKEY: 3948 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3949 break; 3950 case DVD_STRUCT_BCA: 3951 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3952 break; 3953 case DVD_STRUCT_MANUFACT: 3954 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3955 break; 3956 case DVD_STRUCT_CMI: 3957 error = ENODEV; 3958 goto bailout; 3959 #ifdef notyet 3960 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3961 address = dvdstruct->address; 3962 #endif 3963 break; /* NOTREACHED */ 3964 case DVD_STRUCT_PROTDISCID: 3965 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3966 break; 3967 case DVD_STRUCT_DISCKEYBLOCK: 3968 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3969 break; 3970 case DVD_STRUCT_DDS: 3971 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3972 break; 3973 case DVD_STRUCT_MEDIUM_STAT: 3974 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3975 break; 3976 case DVD_STRUCT_SPARE_AREA: 3977 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3978 break; 3979 case DVD_STRUCT_RMD_LAST: 3980 error = ENODEV; 3981 goto bailout; 3982 #ifdef notyet 3983 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3984 address = dvdstruct->address; 3985 #endif 3986 break; /* NOTREACHED */ 3987 case DVD_STRUCT_RMD_RMA: 3988 error = ENODEV; 3989 goto bailout; 3990 #ifdef notyet 3991 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3992 address = dvdstruct->address; 3993 #endif 3994 break; /* NOTREACHED */ 3995 case DVD_STRUCT_PRERECORDED: 3996 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3997 break; 3998 case DVD_STRUCT_UNIQUEID: 3999 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4000 break; 4001 case DVD_STRUCT_DCB: 4002 error = ENODEV; 4003 goto bailout; 4004 #ifdef notyet 4005 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4006 address = dvdstruct->address; 4007 #endif 4008 break; /* NOTREACHED */ 4009 case DVD_STRUCT_LIST: 4010 /* 4011 * This is the maximum allocation length for the READ DVD 4012 * STRUCTURE command. There's nothing in the MMC3 spec 4013 * that indicates a limit in the amount of data that can 4014 * be returned from this call, other than the limits 4015 * imposed by the 2-byte length variables. 4016 */ 4017 length = 65535; 4018 break; 4019 default: 4020 error = EINVAL; 4021 goto bailout; 4022 break; /* NOTREACHED */ 4023 } 4024 4025 if (length != 0) { 4026 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4027 } else 4028 databuf = NULL; 4029 4030 scsi_read_dvd_structure(&ccb->csio, 4031 /* retries */ 1, 4032 /* cbfcnp */ cddone, 4033 /* tag_action */ MSG_SIMPLE_Q_TAG, 4034 /* lba */ address, 4035 /* layer_number */ dvdstruct->layer_num, 4036 /* key_format */ dvdstruct->format, 4037 /* agid */ dvdstruct->agid, 4038 /* data_ptr */ databuf, 4039 /* dxfer_len */ length, 4040 /* sense_len */ SSD_FULL_SIZE, 4041 /* timeout */ 50000); 4042 4043 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4044 /*sense_flags*/SF_RETRY_UA); 4045 4046 if (error != 0) 4047 goto bailout; 4048 4049 switch(dvdstruct->format) { 4050 case DVD_STRUCT_PHYSICAL: { 4051 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4052 struct dvd_layer *outlayer; 4053 struct scsi_read_dvd_struct_data_physical *phys_data; 4054 4055 phys_data = 4056 (struct scsi_read_dvd_struct_data_physical *)databuf; 4057 inlayer = &phys_data->layer_desc; 4058 outlayer = (struct dvd_layer *)&dvdstruct->data; 4059 4060 dvdstruct->length = sizeof(*inlayer); 4061 4062 outlayer->book_type = (inlayer->book_type_version & 4063 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4064 outlayer->book_version = (inlayer->book_type_version & 4065 RDSD_BOOK_VERSION_MASK); 4066 outlayer->disc_size = (inlayer->disc_size_max_rate & 4067 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4068 outlayer->max_rate = (inlayer->disc_size_max_rate & 4069 RDSD_MAX_RATE_MASK); 4070 outlayer->nlayers = (inlayer->layer_info & 4071 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4072 outlayer->track_path = (inlayer->layer_info & 4073 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4074 outlayer->layer_type = (inlayer->layer_info & 4075 RDSD_LAYER_TYPE_MASK); 4076 outlayer->linear_density = (inlayer->density & 4077 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4078 outlayer->track_density = (inlayer->density & 4079 RDSD_TRACK_DENSITY_MASK); 4080 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4081 RDSD_BCA_SHIFT; 4082 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4083 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4084 outlayer->end_sector_l0 = 4085 scsi_3btoul(inlayer->end_sector_layer0); 4086 break; 4087 } 4088 case DVD_STRUCT_COPYRIGHT: { 4089 struct scsi_read_dvd_struct_data_copyright *copy_data; 4090 4091 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4092 databuf; 4093 4094 dvdstruct->cpst = copy_data->cps_type; 4095 dvdstruct->rmi = copy_data->region_info; 4096 dvdstruct->length = 0; 4097 4098 break; 4099 } 4100 default: 4101 /* 4102 * Tell the user what the overall length is, no matter 4103 * what we can actually fit in the data buffer. 4104 */ 4105 dvdstruct->length = length - ccb->csio.resid - 4106 sizeof(struct scsi_read_dvd_struct_data_header); 4107 4108 /* 4109 * But only actually copy out the smaller of what we read 4110 * in or what the structure can take. 4111 */ 4112 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4113 dvdstruct->data, 4114 min(sizeof(dvdstruct->data), dvdstruct->length)); 4115 break; 4116 } 4117 bailout: 4118 4119 if (databuf != NULL) 4120 free(databuf, M_DEVBUF); 4121 4122 xpt_release_ccb(ccb); 4123 4124 return(error); 4125 } 4126 4127 void 4128 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4129 void (*cbfcnp)(struct cam_periph *, union ccb *), 4130 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4131 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4132 u_int8_t sense_len, u_int32_t timeout) 4133 { 4134 struct scsi_report_key *scsi_cmd; 4135 4136 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4137 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4138 scsi_cmd->opcode = REPORT_KEY; 4139 scsi_ulto4b(lba, scsi_cmd->lba); 4140 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4141 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4142 (key_format & RK_KF_KEYFORMAT_MASK); 4143 4144 cam_fill_csio(csio, 4145 retries, 4146 cbfcnp, 4147 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4148 tag_action, 4149 /*data_ptr*/ data_ptr, 4150 /*dxfer_len*/ dxfer_len, 4151 sense_len, 4152 sizeof(*scsi_cmd), 4153 timeout); 4154 } 4155 4156 void 4157 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4158 void (*cbfcnp)(struct cam_periph *, union ccb *), 4159 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4160 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4161 u_int32_t timeout) 4162 { 4163 struct scsi_send_key *scsi_cmd; 4164 4165 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4166 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4167 scsi_cmd->opcode = SEND_KEY; 4168 4169 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4170 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4171 (key_format & RK_KF_KEYFORMAT_MASK); 4172 4173 cam_fill_csio(csio, 4174 retries, 4175 cbfcnp, 4176 /*flags*/ CAM_DIR_OUT, 4177 tag_action, 4178 /*data_ptr*/ data_ptr, 4179 /*dxfer_len*/ dxfer_len, 4180 sense_len, 4181 sizeof(*scsi_cmd), 4182 timeout); 4183 } 4184 4185 4186 void 4187 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4188 void (*cbfcnp)(struct cam_periph *, union ccb *), 4189 u_int8_t tag_action, u_int32_t address, 4190 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4191 u_int8_t *data_ptr, u_int32_t dxfer_len, 4192 u_int8_t sense_len, u_int32_t timeout) 4193 { 4194 struct scsi_read_dvd_structure *scsi_cmd; 4195 4196 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4197 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4198 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4199 4200 scsi_ulto4b(address, scsi_cmd->address); 4201 scsi_cmd->layer_number = layer_number; 4202 scsi_cmd->format = format; 4203 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4204 /* The AGID is the top two bits of this byte */ 4205 scsi_cmd->agid = agid << 6; 4206 4207 cam_fill_csio(csio, 4208 retries, 4209 cbfcnp, 4210 /*flags*/ CAM_DIR_IN, 4211 tag_action, 4212 /*data_ptr*/ data_ptr, 4213 /*dxfer_len*/ dxfer_len, 4214 sense_len, 4215 sizeof(*scsi_cmd), 4216 timeout); 4217 }
Cache object: f9015dc93efb0f76d9c5097d58dbc183
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