Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_cd.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /*- 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 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 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 333 334 static void 335 cdinit(void) 336 { 337 cam_status status; 338 struct cam_path *path; 339 340 /* 341 * Install a global async callback. This callback will 342 * receive async callbacks like "new device found". 343 */ 344 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 345 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 346 347 if (status == CAM_REQ_CMP) { 348 struct ccb_setasync csa; 349 350 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 351 csa.ccb_h.func_code = XPT_SASYNC_CB; 352 csa.event_enable = AC_FOUND_DEVICE; 353 csa.callback = cdasync; 354 csa.callback_arg = NULL; 355 xpt_action((union ccb *)&csa); 356 status = csa.ccb_h.status; 357 xpt_free_path(path); 358 } 359 360 if (status != CAM_REQ_CMP) { 361 printf("cd: Failed to attach master async callback " 362 "due to status 0x%x!\n", status); 363 } 364 } 365 366 static void 367 cdoninvalidate(struct cam_periph *periph) 368 { 369 int s; 370 struct cd_softc *softc; 371 struct ccb_setasync csa; 372 373 softc = (struct cd_softc *)periph->softc; 374 375 /* 376 * De-register any async callbacks. 377 */ 378 xpt_setup_ccb(&csa.ccb_h, periph->path, 379 /* priority */ 5); 380 csa.ccb_h.func_code = XPT_SASYNC_CB; 381 csa.event_enable = 0; 382 csa.callback = cdasync; 383 csa.callback_arg = periph; 384 xpt_action((union ccb *)&csa); 385 386 softc->flags |= CD_FLAG_INVALID; 387 388 /* 389 * Although the oninvalidate() routines are always called at 390 * splsoftcam, we need to be at splbio() here to keep the buffer 391 * queue from being modified while we traverse it. 392 */ 393 s = splbio(); 394 395 /* 396 * Return all queued I/O with ENXIO. 397 * XXX Handle any transactions queued to the card 398 * with XPT_ABORT_CCB. 399 */ 400 bioq_flush(&softc->bio_queue, NULL, ENXIO); 401 splx(s); 402 403 /* 404 * If this device is part of a changer, and it was scheduled 405 * to run, remove it from the run queue since we just nuked 406 * all of its scheduled I/O. 407 */ 408 if ((softc->flags & CD_FLAG_CHANGER) 409 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 410 camq_remove(&softc->changer->devq, softc->pinfo.index); 411 412 disk_gone(softc->disk); 413 xpt_print_path(periph->path); 414 printf("lost device\n"); 415 } 416 417 static void 418 cdcleanup(struct cam_periph *periph) 419 { 420 struct cd_softc *softc; 421 int s; 422 423 softc = (struct cd_softc *)periph->softc; 424 425 xpt_print_path(periph->path); 426 printf("removing device entry\n"); 427 428 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 429 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 430 xpt_print_path(periph->path); 431 printf("can't remove sysctl context\n"); 432 } 433 434 s = splsoftcam(); 435 /* 436 * In the queued, non-active case, the device in question 437 * has already been removed from the changer run queue. Since this 438 * device is active, we need to de-activate it, and schedule 439 * another device to run. (if there is another one to run) 440 */ 441 if ((softc->flags & CD_FLAG_CHANGER) 442 && (softc->flags & CD_FLAG_ACTIVE)) { 443 444 /* 445 * The purpose of the short timeout is soley to determine 446 * whether the current device has finished or not. Well, 447 * since we're removing the active device, we know that it 448 * is finished. So, get rid of the short timeout. 449 * Otherwise, if we're in the time period before the short 450 * timeout fires, and there are no other devices in the 451 * queue to run, there won't be any other device put in the 452 * active slot. i.e., when we call cdrunchangerqueue() 453 * below, it won't do anything. Then, when the short 454 * timeout fires, it'll look at the "current device", which 455 * we are free below, and possibly panic the kernel on a 456 * bogus pointer reference. 457 * 458 * The long timeout doesn't really matter, since we 459 * decrement the qfrozen_cnt to indicate that there is 460 * nothing in the active slot now. Therefore, there won't 461 * be any bogus pointer references there. 462 */ 463 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 464 untimeout(cdshorttimeout, softc->changer, 465 softc->changer->short_handle); 466 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 467 } 468 softc->changer->devq.qfrozen_cnt--; 469 softc->changer->flags |= CHANGER_MANUAL_CALL; 470 cdrunchangerqueue(softc->changer); 471 } 472 473 /* 474 * If we're removing the last device on the changer, go ahead and 475 * remove the changer device structure. 476 */ 477 if ((softc->flags & CD_FLAG_CHANGER) 478 && (--softc->changer->num_devices == 0)) { 479 480 /* 481 * Theoretically, there shouldn't be any timeouts left, but 482 * I'm not completely sure that that will be the case. So, 483 * it won't hurt to check and see if there are any left. 484 */ 485 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 486 untimeout(cdrunchangerqueue, softc->changer, 487 softc->changer->long_handle); 488 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 489 } 490 491 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 492 untimeout(cdshorttimeout, softc->changer, 493 softc->changer->short_handle); 494 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 495 } 496 497 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 498 changer_links); 499 xpt_print_path(periph->path); 500 printf("removing changer entry\n"); 501 free(softc->changer, M_DEVBUF); 502 num_changers--; 503 } 504 disk_destroy(softc->disk); 505 free(softc, M_DEVBUF); 506 splx(s); 507 } 508 509 static void 510 cdasync(void *callback_arg, u_int32_t code, 511 struct cam_path *path, void *arg) 512 { 513 struct cam_periph *periph; 514 515 periph = (struct cam_periph *)callback_arg; 516 switch (code) { 517 case AC_FOUND_DEVICE: 518 { 519 struct ccb_getdev *cgd; 520 cam_status status; 521 522 cgd = (struct ccb_getdev *)arg; 523 if (cgd == NULL) 524 break; 525 526 if (SID_TYPE(&cgd->inq_data) != T_CDROM 527 && SID_TYPE(&cgd->inq_data) != T_WORM) 528 break; 529 530 /* 531 * Allocate a peripheral instance for 532 * this device and start the probe 533 * process. 534 */ 535 status = cam_periph_alloc(cdregister, cdoninvalidate, 536 cdcleanup, cdstart, 537 "cd", CAM_PERIPH_BIO, 538 cgd->ccb_h.path, cdasync, 539 AC_FOUND_DEVICE, cgd); 540 541 if (status != CAM_REQ_CMP 542 && status != CAM_REQ_INPROG) 543 printf("cdasync: Unable to attach new device " 544 "due to status 0x%x\n", status); 545 546 break; 547 } 548 case AC_SENT_BDR: 549 case AC_BUS_RESET: 550 { 551 struct cd_softc *softc; 552 struct ccb_hdr *ccbh; 553 int s; 554 555 softc = (struct cd_softc *)periph->softc; 556 s = splsoftcam(); 557 /* 558 * Don't fail on the expected unit attention 559 * that will occur. 560 */ 561 softc->flags |= CD_FLAG_RETRY_UA; 562 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 563 ccbh->ccb_state |= CD_CCB_RETRY_UA; 564 splx(s); 565 /* FALLTHROUGH */ 566 } 567 default: 568 cam_periph_async(periph, code, path, arg); 569 break; 570 } 571 } 572 573 static void 574 cdsysctlinit(void *context, int pending) 575 { 576 struct cam_periph *periph; 577 struct cd_softc *softc; 578 char tmpstr[80], tmpstr2[80]; 579 580 periph = (struct cam_periph *)context; 581 softc = (struct cd_softc *)periph->softc; 582 583 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 584 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 585 586 mtx_lock(&Giant); 587 588 sysctl_ctx_init(&softc->sysctl_ctx); 589 softc->flags |= CD_FLAG_SCTX_INIT; 590 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 591 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 592 tmpstr2, CTLFLAG_RD, 0, tmpstr); 593 594 if (softc->sysctl_tree == NULL) { 595 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 596 mtx_unlock(&Giant); 597 return; 598 } 599 600 /* 601 * Now register the sysctl handler, so the user can the value on 602 * the fly. 603 */ 604 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 605 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 606 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 607 "Minimum CDB size"); 608 609 mtx_unlock(&Giant); 610 } 611 612 /* 613 * We have a handler function for this so we can check the values when the 614 * user sets them, instead of every time we look at them. 615 */ 616 static int 617 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 618 { 619 int error, value; 620 621 value = *(int *)arg1; 622 623 error = sysctl_handle_int(oidp, &value, 0, req); 624 625 if ((error != 0) 626 || (req->newptr == NULL)) 627 return (error); 628 629 /* 630 * The only real values we can have here are 6 or 10. I don't 631 * really forsee having 12 be an option at any time in the future. 632 * So if the user sets something less than or equal to 6, we'll set 633 * it to 6. If he sets something greater than 6, we'll set it to 10. 634 * 635 * I suppose we could just return an error here for the wrong values, 636 * but I don't think it's necessary to do so, as long as we can 637 * determine the user's intent without too much trouble. 638 */ 639 if (value < 6) 640 value = 6; 641 else if (value > 6) 642 value = 10; 643 644 *(int *)arg1 = value; 645 646 return (0); 647 } 648 649 static cam_status 650 cdregister(struct cam_periph *periph, void *arg) 651 { 652 struct cd_softc *softc; 653 struct ccb_setasync csa; 654 struct ccb_pathinq cpi; 655 struct ccb_getdev *cgd; 656 char tmpstr[80]; 657 caddr_t match; 658 659 cgd = (struct ccb_getdev *)arg; 660 if (periph == NULL) { 661 printf("cdregister: periph was NULL!!\n"); 662 return(CAM_REQ_CMP_ERR); 663 } 664 if (cgd == NULL) { 665 printf("cdregister: no getdev CCB, can't register device\n"); 666 return(CAM_REQ_CMP_ERR); 667 } 668 669 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 670 671 if (softc == NULL) { 672 printf("cdregister: Unable to probe new device. " 673 "Unable to allocate softc\n"); 674 return(CAM_REQ_CMP_ERR); 675 } 676 677 bzero(softc, sizeof(*softc)); 678 LIST_INIT(&softc->pending_ccbs); 679 STAILQ_INIT(&softc->mode_queue); 680 softc->state = CD_STATE_PROBE; 681 bioq_init(&softc->bio_queue); 682 if (SID_IS_REMOVABLE(&cgd->inq_data)) 683 softc->flags |= CD_FLAG_DISC_REMOVABLE; 684 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 685 softc->flags |= CD_FLAG_TAGGED_QUEUING; 686 687 periph->softc = softc; 688 softc->periph = periph; 689 690 /* 691 * See if this device has any quirks. 692 */ 693 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 694 (caddr_t)cd_quirk_table, 695 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 696 sizeof(*cd_quirk_table), scsi_inquiry_match); 697 698 if (match != NULL) 699 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 700 else 701 softc->quirks = CD_Q_NONE; 702 703 /* Check if the SIM does not want 6 byte commands */ 704 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 705 cpi.ccb_h.func_code = XPT_PATH_INQ; 706 xpt_action((union ccb *)&cpi); 707 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 708 softc->quirks |= CD_Q_10_BYTE_ONLY; 709 710 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 711 712 /* The default is 6 byte commands, unless quirked otherwise */ 713 if (softc->quirks & CD_Q_10_BYTE_ONLY) 714 softc->minimum_command_size = 10; 715 else 716 softc->minimum_command_size = 6; 717 718 /* 719 * Load the user's default, if any. 720 */ 721 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 722 periph->unit_number); 723 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 724 725 /* 6 and 10 are the only permissible values here. */ 726 if (softc->minimum_command_size < 6) 727 softc->minimum_command_size = 6; 728 else if (softc->minimum_command_size > 6) 729 softc->minimum_command_size = 10; 730 731 /* 732 * We need to register the statistics structure for this device, 733 * but we don't have the blocksize yet for it. So, we register 734 * the structure and indicate that we don't have the blocksize 735 * yet. Unlike other SCSI peripheral drivers, we explicitly set 736 * the device type here to be CDROM, rather than just ORing in 737 * the device type. This is because this driver can attach to either 738 * CDROM or WORM devices, and we want this peripheral driver to 739 * show up in the devstat list as a CD peripheral driver, not a 740 * WORM peripheral driver. WORM drives will also have the WORM 741 * driver attached to them. 742 */ 743 softc->disk = disk_alloc(); 744 softc->disk->d_devstat = devstat_new_entry("cd", 745 periph->unit_number, 0, 746 DEVSTAT_BS_UNAVAILABLE, 747 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 748 DEVSTAT_PRIORITY_CD); 749 softc->disk->d_open = cdopen; 750 softc->disk->d_close = cdclose; 751 softc->disk->d_strategy = cdstrategy; 752 softc->disk->d_ioctl = cdioctl; 753 softc->disk->d_name = "cd"; 754 softc->disk->d_unit = periph->unit_number; 755 softc->disk->d_drv1 = periph; 756 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 757 disk_create(softc->disk, DISK_VERSION); 758 759 /* 760 * Add an async callback so that we get 761 * notified if this device goes away. 762 */ 763 xpt_setup_ccb(&csa.ccb_h, periph->path, 764 /* priority */ 5); 765 csa.ccb_h.func_code = XPT_SASYNC_CB; 766 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 767 csa.callback = cdasync; 768 csa.callback_arg = periph; 769 xpt_action((union ccb *)&csa); 770 771 /* 772 * If the target lun is greater than 0, we most likely have a CD 773 * changer device. Check the quirk entries as well, though, just 774 * in case someone has a CD tower with one lun per drive or 775 * something like that. Also, if we know up front that a 776 * particular device is a changer, we can mark it as such starting 777 * with lun 0, instead of lun 1. It shouldn't be necessary to have 778 * a quirk entry to define something as a changer, however. 779 */ 780 if (((cgd->ccb_h.target_lun > 0) 781 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 782 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 783 struct cdchanger *nchanger; 784 struct cam_periph *nperiph; 785 struct cam_path *path; 786 cam_status status; 787 int found; 788 789 /* Set the changer flag in the current device's softc */ 790 softc->flags |= CD_FLAG_CHANGER; 791 792 if (num_changers == 0) 793 STAILQ_INIT(&changerq); 794 795 /* 796 * Now, look around for an existing changer device with the 797 * same path and target ID as the current device. 798 */ 799 for (found = 0, 800 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 801 nchanger != NULL; 802 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 803 if ((nchanger->path_id == cgd->ccb_h.path_id) 804 && (nchanger->target_id == cgd->ccb_h.target_id)) { 805 found = 1; 806 break; 807 } 808 } 809 810 /* 811 * If we found a matching entry, just add this device to 812 * the list of devices on this changer. 813 */ 814 if (found == 1) { 815 struct chdevlist *chlunhead; 816 817 chlunhead = &nchanger->chluns; 818 819 /* 820 * XXX KDM look at consolidating this code with the 821 * code below in a separate function. 822 */ 823 824 /* 825 * Create a path with lun id 0, and see if we can 826 * find a matching device 827 */ 828 status = xpt_create_path(&path, /*periph*/ periph, 829 cgd->ccb_h.path_id, 830 cgd->ccb_h.target_id, 0); 831 832 if ((status == CAM_REQ_CMP) 833 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 834 struct cd_softc *nsoftc; 835 836 nsoftc = (struct cd_softc *)nperiph->softc; 837 838 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 839 nsoftc->flags |= CD_FLAG_CHANGER; 840 nchanger->num_devices++; 841 if (camq_resize(&nchanger->devq, 842 nchanger->num_devices)!=CAM_REQ_CMP){ 843 printf("cdregister: " 844 "camq_resize " 845 "failed, changer " 846 "support may " 847 "be messed up\n"); 848 } 849 nsoftc->changer = nchanger; 850 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 851 852 STAILQ_INSERT_TAIL(&nchanger->chluns, 853 nsoftc,changer_links); 854 } 855 xpt_free_path(path); 856 } else if (status == CAM_REQ_CMP) 857 xpt_free_path(path); 858 else { 859 printf("cdregister: unable to allocate path\n" 860 "cdregister: changer support may be " 861 "broken\n"); 862 } 863 864 nchanger->num_devices++; 865 866 softc->changer = nchanger; 867 softc->pinfo.index = CAM_UNQUEUED_INDEX; 868 869 if (camq_resize(&nchanger->devq, 870 nchanger->num_devices) != CAM_REQ_CMP) { 871 printf("cdregister: camq_resize " 872 "failed, changer support may " 873 "be messed up\n"); 874 } 875 876 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 877 } 878 /* 879 * In this case, we don't already have an entry for this 880 * particular changer, so we need to create one, add it to 881 * the queue, and queue this device on the list for this 882 * changer. Before we queue this device, however, we need 883 * to search for lun id 0 on this target, and add it to the 884 * queue first, if it exists. (and if it hasn't already 885 * been marked as part of the changer.) 886 */ 887 else { 888 nchanger = malloc(sizeof(struct cdchanger), 889 M_DEVBUF, M_NOWAIT); 890 891 if (nchanger == NULL) { 892 softc->flags &= ~CD_FLAG_CHANGER; 893 printf("cdregister: unable to malloc " 894 "changer structure\ncdregister: " 895 "changer support disabled\n"); 896 897 /* 898 * Yes, gotos can be gross but in this case 899 * I think it's justified.. 900 */ 901 goto cdregisterexit; 902 } 903 904 /* zero the structure */ 905 bzero(nchanger, sizeof(struct cdchanger)); 906 907 if (camq_init(&nchanger->devq, 1) != 0) { 908 softc->flags &= ~CD_FLAG_CHANGER; 909 printf("cdregister: changer support " 910 "disabled\n"); 911 goto cdregisterexit; 912 } 913 914 num_changers++; 915 916 nchanger->path_id = cgd->ccb_h.path_id; 917 nchanger->target_id = cgd->ccb_h.target_id; 918 919 /* this is superfluous, but it makes things clearer */ 920 nchanger->num_devices = 0; 921 922 STAILQ_INIT(&nchanger->chluns); 923 924 STAILQ_INSERT_TAIL(&changerq, nchanger, 925 changer_links); 926 927 /* 928 * Create a path with lun id 0, and see if we can 929 * find a matching device 930 */ 931 status = xpt_create_path(&path, /*periph*/ periph, 932 cgd->ccb_h.path_id, 933 cgd->ccb_h.target_id, 0); 934 935 /* 936 * If we were able to allocate the path, and if we 937 * find a matching device and it isn't already 938 * marked as part of a changer, then we add it to 939 * the current changer. 940 */ 941 if ((status == CAM_REQ_CMP) 942 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 943 && ((((struct cd_softc *)periph->softc)->flags & 944 CD_FLAG_CHANGER) == 0)) { 945 struct cd_softc *nsoftc; 946 947 nsoftc = (struct cd_softc *)nperiph->softc; 948 949 nsoftc->flags |= CD_FLAG_CHANGER; 950 nchanger->num_devices++; 951 if (camq_resize(&nchanger->devq, 952 nchanger->num_devices) != CAM_REQ_CMP) { 953 printf("cdregister: camq_resize " 954 "failed, changer support may " 955 "be messed up\n"); 956 } 957 nsoftc->changer = nchanger; 958 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 959 960 STAILQ_INSERT_TAIL(&nchanger->chluns, 961 nsoftc, changer_links); 962 xpt_free_path(path); 963 } else if (status == CAM_REQ_CMP) 964 xpt_free_path(path); 965 else { 966 printf("cdregister: unable to allocate path\n" 967 "cdregister: changer support may be " 968 "broken\n"); 969 } 970 971 softc->changer = nchanger; 972 softc->pinfo.index = CAM_UNQUEUED_INDEX; 973 nchanger->num_devices++; 974 if (camq_resize(&nchanger->devq, 975 nchanger->num_devices) != CAM_REQ_CMP) { 976 printf("cdregister: camq_resize " 977 "failed, changer support may " 978 "be messed up\n"); 979 } 980 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 981 changer_links); 982 } 983 } 984 985 cdregisterexit: 986 987 /* Lock this peripheral until we are setup */ 988 /* Can't block */ 989 cam_periph_lock(periph, PRIBIO); 990 991 if ((softc->flags & CD_FLAG_CHANGER) == 0) 992 xpt_schedule(periph, /*priority*/5); 993 else 994 cdschedule(periph, /*priority*/ 5); 995 996 return(CAM_REQ_CMP); 997 } 998 999 static int 1000 cdopen(struct disk *dp) 1001 { 1002 struct cam_periph *periph; 1003 struct cd_softc *softc; 1004 int error; 1005 int s; 1006 1007 periph = (struct cam_periph *)dp->d_drv1; 1008 if (periph == NULL) 1009 return (ENXIO); 1010 1011 softc = (struct cd_softc *)periph->softc; 1012 1013 /* 1014 * Grab splsoftcam and hold it until we lock the peripheral. 1015 */ 1016 s = splsoftcam(); 1017 if (softc->flags & CD_FLAG_INVALID) { 1018 splx(s); 1019 return(ENXIO); 1020 } 1021 1022 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1023 splx(s); 1024 return (error); 1025 } 1026 1027 splx(s); 1028 1029 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1030 return(ENXIO); 1031 1032 /* 1033 * Check for media, and set the appropriate flags. We don't bail 1034 * if we don't have media, but then we don't allow anything but the 1035 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1036 */ 1037 cdcheckmedia(periph); 1038 1039 cam_periph_unlock(periph); 1040 1041 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1042 1043 return (error); 1044 } 1045 1046 static int 1047 cdclose(struct disk *dp) 1048 { 1049 struct cam_periph *periph; 1050 struct cd_softc *softc; 1051 int error; 1052 1053 periph = (struct cam_periph *)dp->d_drv1; 1054 if (periph == NULL) 1055 return (ENXIO); 1056 1057 softc = (struct cd_softc *)periph->softc; 1058 1059 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1060 return (error); 1061 1062 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1063 cdprevent(periph, PR_ALLOW); 1064 1065 /* 1066 * Since we're closing this CD, mark the blocksize as unavailable. 1067 * It will be marked as available when the CD is opened again. 1068 */ 1069 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1070 1071 /* 1072 * We'll check the media and toc again at the next open(). 1073 */ 1074 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1075 1076 cam_periph_unlock(periph); 1077 cam_periph_release(periph); 1078 1079 return (0); 1080 } 1081 1082 static void 1083 cdshorttimeout(void *arg) 1084 { 1085 struct cdchanger *changer; 1086 int s; 1087 1088 s = splsoftcam(); 1089 1090 changer = (struct cdchanger *)arg; 1091 1092 /* Always clear the short timeout flag, since that's what we're in */ 1093 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1094 1095 /* 1096 * Check to see if there is any more pending or outstanding I/O for 1097 * this device. If not, move it out of the active slot. 1098 */ 1099 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1100 && (changer->cur_device->outstanding_cmds == 0)) { 1101 changer->flags |= CHANGER_MANUAL_CALL; 1102 cdrunchangerqueue(changer); 1103 } 1104 1105 splx(s); 1106 } 1107 1108 /* 1109 * This is a wrapper for xpt_schedule. It only applies to changers. 1110 */ 1111 static void 1112 cdschedule(struct cam_periph *periph, int priority) 1113 { 1114 struct cd_softc *softc; 1115 int s; 1116 1117 s = splsoftcam(); 1118 1119 softc = (struct cd_softc *)periph->softc; 1120 1121 /* 1122 * If this device isn't currently queued, and if it isn't 1123 * the active device, then we queue this device and run the 1124 * changer queue if there is no timeout scheduled to do it. 1125 * If this device is the active device, just schedule it 1126 * to run again. If this device is queued, there should be 1127 * a timeout in place already that will make sure it runs. 1128 */ 1129 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1130 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1131 /* 1132 * We don't do anything with the priority here. 1133 * This is strictly a fifo queue. 1134 */ 1135 softc->pinfo.priority = 1; 1136 softc->pinfo.generation = ++softc->changer->devq.generation; 1137 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1138 1139 /* 1140 * Since we just put a device in the changer queue, 1141 * check and see if there is a timeout scheduled for 1142 * this changer. If so, let the timeout handle 1143 * switching this device into the active slot. If 1144 * not, manually call the timeout routine to 1145 * bootstrap things. 1146 */ 1147 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1148 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1149 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1150 softc->changer->flags |= CHANGER_MANUAL_CALL; 1151 cdrunchangerqueue(softc->changer); 1152 } 1153 } else if ((softc->flags & CD_FLAG_ACTIVE) 1154 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1155 xpt_schedule(periph, priority); 1156 1157 splx(s); 1158 1159 } 1160 1161 static void 1162 cdrunchangerqueue(void *arg) 1163 { 1164 struct cd_softc *softc; 1165 struct cdchanger *changer; 1166 int called_from_timeout; 1167 int s; 1168 1169 s = splsoftcam(); 1170 1171 changer = (struct cdchanger *)arg; 1172 1173 /* 1174 * If we have NOT been called from cdstrategy() or cddone(), and 1175 * instead from a timeout routine, go ahead and clear the 1176 * timeout flag. 1177 */ 1178 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1179 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1180 called_from_timeout = 1; 1181 } else 1182 called_from_timeout = 0; 1183 1184 /* Always clear the manual call flag */ 1185 changer->flags &= ~CHANGER_MANUAL_CALL; 1186 1187 /* nothing to do if the queue is empty */ 1188 if (changer->devq.entries <= 0) { 1189 splx(s); 1190 return; 1191 } 1192 1193 /* 1194 * If the changer queue is frozen, that means we have an active 1195 * device. 1196 */ 1197 if (changer->devq.qfrozen_cnt > 0) { 1198 1199 if (changer->cur_device->outstanding_cmds > 0) { 1200 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1201 changer->cur_device->bufs_left = 1202 changer->cur_device->outstanding_cmds; 1203 if (called_from_timeout) { 1204 changer->long_handle = 1205 timeout(cdrunchangerqueue, changer, 1206 changer_max_busy_seconds * hz); 1207 changer->flags |= CHANGER_TIMEOUT_SCHED; 1208 } 1209 splx(s); 1210 return; 1211 } 1212 1213 /* 1214 * We always need to reset the frozen count and clear the 1215 * active flag. 1216 */ 1217 changer->devq.qfrozen_cnt--; 1218 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1219 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1220 1221 /* 1222 * Check to see whether the current device has any I/O left 1223 * to do. If so, requeue it at the end of the queue. If 1224 * not, there is no need to requeue it. 1225 */ 1226 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1227 1228 changer->cur_device->pinfo.generation = 1229 ++changer->devq.generation; 1230 camq_insert(&changer->devq, 1231 (cam_pinfo *)changer->cur_device); 1232 } 1233 } 1234 1235 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1236 1237 changer->cur_device = softc; 1238 1239 changer->devq.qfrozen_cnt++; 1240 softc->flags |= CD_FLAG_ACTIVE; 1241 1242 /* Just in case this device is waiting */ 1243 wakeup(&softc->changer); 1244 xpt_schedule(softc->periph, /*priority*/ 1); 1245 1246 /* 1247 * Get rid of any pending timeouts, and set a flag to schedule new 1248 * ones so this device gets its full time quantum. 1249 */ 1250 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1251 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1252 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1253 } 1254 1255 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1256 untimeout(cdshorttimeout, changer, changer->short_handle); 1257 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1258 } 1259 1260 /* 1261 * We need to schedule timeouts, but we only do this after the 1262 * first transaction has completed. This eliminates the changer 1263 * switch time. 1264 */ 1265 changer->flags |= CHANGER_NEED_TIMEOUT; 1266 1267 splx(s); 1268 } 1269 1270 static void 1271 cdchangerschedule(struct cd_softc *softc) 1272 { 1273 struct cdchanger *changer; 1274 int s; 1275 1276 s = splsoftcam(); 1277 1278 changer = softc->changer; 1279 1280 /* 1281 * If this is a changer, and this is the current device, 1282 * and this device has at least the minimum time quantum to 1283 * run, see if we can switch it out. 1284 */ 1285 if ((softc->flags & CD_FLAG_ACTIVE) 1286 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1287 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1288 /* 1289 * We try three things here. The first is that we 1290 * check to see whether the schedule on completion 1291 * flag is set. If it is, we decrement the number 1292 * of buffers left, and if it's zero, we reschedule. 1293 * Next, we check to see whether the pending buffer 1294 * queue is empty and whether there are no 1295 * outstanding transactions. If so, we reschedule. 1296 * Next, we see if the pending buffer queue is empty. 1297 * If it is, we set the number of buffers left to 1298 * the current active buffer count and set the 1299 * schedule on complete flag. 1300 */ 1301 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1302 if (--softc->bufs_left == 0) { 1303 softc->changer->flags |= 1304 CHANGER_MANUAL_CALL; 1305 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1306 cdrunchangerqueue(softc->changer); 1307 } 1308 } else if ((bioq_first(&softc->bio_queue) == NULL) 1309 && (softc->outstanding_cmds == 0)) { 1310 softc->changer->flags |= CHANGER_MANUAL_CALL; 1311 cdrunchangerqueue(softc->changer); 1312 } 1313 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1314 && (softc->flags & CD_FLAG_ACTIVE)) { 1315 1316 /* 1317 * Now that the first transaction to this 1318 * particular device has completed, we can go ahead 1319 * and schedule our timeouts. 1320 */ 1321 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1322 changer->long_handle = 1323 timeout(cdrunchangerqueue, changer, 1324 changer_max_busy_seconds * hz); 1325 changer->flags |= CHANGER_TIMEOUT_SCHED; 1326 } else 1327 printf("cdchangerschedule: already have a long" 1328 " timeout!\n"); 1329 1330 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1331 changer->short_handle = 1332 timeout(cdshorttimeout, changer, 1333 changer_min_busy_seconds * hz); 1334 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1335 } else 1336 printf("cdchangerschedule: already have a short " 1337 "timeout!\n"); 1338 1339 /* 1340 * We just scheduled timeouts, no need to schedule 1341 * more. 1342 */ 1343 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1344 1345 } 1346 splx(s); 1347 } 1348 1349 static int 1350 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1351 u_int32_t cam_flags, 1352 u_int32_t sense_flags), 1353 u_int32_t cam_flags, u_int32_t sense_flags) 1354 { 1355 struct cd_softc *softc; 1356 struct cam_periph *periph; 1357 int error; 1358 1359 periph = xpt_path_periph(ccb->ccb_h.path); 1360 softc = (struct cd_softc *)periph->softc; 1361 1362 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1363 softc->disk->d_devstat); 1364 1365 if (softc->flags & CD_FLAG_CHANGER) 1366 cdchangerschedule(softc); 1367 1368 return(error); 1369 } 1370 1371 static union ccb * 1372 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1373 { 1374 struct cd_softc *softc; 1375 int s; 1376 1377 softc = (struct cd_softc *)periph->softc; 1378 1379 if (softc->flags & CD_FLAG_CHANGER) { 1380 1381 s = splsoftcam(); 1382 1383 /* 1384 * This should work the first time this device is woken up, 1385 * but just in case it doesn't, we use a while loop. 1386 */ 1387 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1388 /* 1389 * If this changer isn't already queued, queue it up. 1390 */ 1391 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1392 softc->pinfo.priority = 1; 1393 softc->pinfo.generation = 1394 ++softc->changer->devq.generation; 1395 camq_insert(&softc->changer->devq, 1396 (cam_pinfo *)softc); 1397 } 1398 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1399 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1400 && ((softc->changer->flags 1401 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1402 softc->changer->flags |= CHANGER_MANUAL_CALL; 1403 cdrunchangerqueue(softc->changer); 1404 } else 1405 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1406 } 1407 splx(s); 1408 } 1409 return(cam_periph_getccb(periph, priority)); 1410 } 1411 1412 1413 /* 1414 * Actually translate the requested transfer into one the physical driver 1415 * can understand. The transfer is described by a buf and will include 1416 * only one physical transfer. 1417 */ 1418 static void 1419 cdstrategy(struct bio *bp) 1420 { 1421 struct cam_periph *periph; 1422 struct cd_softc *softc; 1423 int s; 1424 1425 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1426 if (periph == NULL) { 1427 biofinish(bp, NULL, ENXIO); 1428 return; 1429 } 1430 1431 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1432 1433 softc = (struct cd_softc *)periph->softc; 1434 1435 /* 1436 * Mask interrupts so that the pack cannot be invalidated until 1437 * after we are in the queue. Otherwise, we might not properly 1438 * clean up one of the buffers. 1439 */ 1440 s = splbio(); 1441 1442 /* 1443 * If the device has been made invalid, error out 1444 */ 1445 if ((softc->flags & CD_FLAG_INVALID)) { 1446 splx(s); 1447 biofinish(bp, NULL, ENXIO); 1448 return; 1449 } 1450 1451 /* 1452 * If we don't have valid media, look for it before trying to 1453 * schedule the I/O. 1454 */ 1455 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1456 int error; 1457 1458 error = cdcheckmedia(periph); 1459 if (error != 0) { 1460 splx(s); 1461 biofinish(bp, NULL, error); 1462 return; 1463 } 1464 } 1465 1466 /* 1467 * Place it in the queue of disk activities for this disk 1468 */ 1469 bioq_disksort(&softc->bio_queue, bp); 1470 1471 splx(s); 1472 1473 /* 1474 * Schedule ourselves for performing the work. We do things 1475 * differently for changers. 1476 */ 1477 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1478 xpt_schedule(periph, /* XXX priority */1); 1479 else 1480 cdschedule(periph, /* priority */ 1); 1481 1482 return; 1483 } 1484 1485 static void 1486 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1487 { 1488 struct cd_softc *softc; 1489 struct bio *bp; 1490 struct ccb_scsiio *csio; 1491 struct scsi_read_capacity_data *rcap; 1492 int s; 1493 1494 softc = (struct cd_softc *)periph->softc; 1495 1496 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1497 1498 switch (softc->state) { 1499 case CD_STATE_NORMAL: 1500 { 1501 int oldspl; 1502 1503 s = splbio(); 1504 bp = bioq_first(&softc->bio_queue); 1505 if (periph->immediate_priority <= periph->pinfo.priority) { 1506 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1507 1508 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1509 periph_links.sle); 1510 periph->immediate_priority = CAM_PRIORITY_NONE; 1511 splx(s); 1512 wakeup(&periph->ccb_list); 1513 } else if (bp == NULL) { 1514 splx(s); 1515 xpt_release_ccb(start_ccb); 1516 } else { 1517 bioq_remove(&softc->bio_queue, bp); 1518 1519 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1520 1521 scsi_read_write(&start_ccb->csio, 1522 /*retries*/4, 1523 /* cbfcnp */ cddone, 1524 MSG_SIMPLE_Q_TAG, 1525 /* read */bp->bio_cmd == BIO_READ, 1526 /* byte2 */ 0, 1527 /* minimum_cmd_size */ 10, 1528 /* lba */ bp->bio_offset / 1529 softc->params.blksize, 1530 bp->bio_bcount / softc->params.blksize, 1531 /* data_ptr */ bp->bio_data, 1532 /* dxfer_len */ bp->bio_bcount, 1533 /* sense_len */ SSD_FULL_SIZE, 1534 /* timeout */ 30000); 1535 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1536 1537 1538 /* 1539 * Block out any asyncronous callbacks 1540 * while we touch the pending ccb list. 1541 */ 1542 oldspl = splcam(); 1543 LIST_INSERT_HEAD(&softc->pending_ccbs, 1544 &start_ccb->ccb_h, periph_links.le); 1545 softc->outstanding_cmds++; 1546 splx(oldspl); 1547 1548 /* We expect a unit attention from this device */ 1549 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1550 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1551 softc->flags &= ~CD_FLAG_RETRY_UA; 1552 } 1553 1554 start_ccb->ccb_h.ccb_bp = bp; 1555 bp = bioq_first(&softc->bio_queue); 1556 splx(s); 1557 1558 xpt_action(start_ccb); 1559 } 1560 if (bp != NULL) { 1561 /* Have more work to do, so ensure we stay scheduled */ 1562 xpt_schedule(periph, /* XXX priority */1); 1563 } 1564 break; 1565 } 1566 case CD_STATE_PROBE: 1567 { 1568 1569 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1570 M_SCSICD, 1571 M_NOWAIT); 1572 if (rcap == NULL) { 1573 xpt_print_path(periph->path); 1574 printf("cdstart: Couldn't malloc read_capacity data\n"); 1575 /* cd_free_periph??? */ 1576 break; 1577 } 1578 csio = &start_ccb->csio; 1579 scsi_read_capacity(csio, 1580 /*retries*/1, 1581 cddone, 1582 MSG_SIMPLE_Q_TAG, 1583 rcap, 1584 SSD_FULL_SIZE, 1585 /*timeout*/20000); 1586 start_ccb->ccb_h.ccb_bp = NULL; 1587 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1588 xpt_action(start_ccb); 1589 break; 1590 } 1591 } 1592 } 1593 1594 static void 1595 cddone(struct cam_periph *periph, union ccb *done_ccb) 1596 { 1597 struct cd_softc *softc; 1598 struct ccb_scsiio *csio; 1599 1600 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1601 1602 softc = (struct cd_softc *)periph->softc; 1603 csio = &done_ccb->csio; 1604 1605 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1606 case CD_CCB_BUFFER_IO: 1607 { 1608 struct bio *bp; 1609 int error; 1610 int oldspl; 1611 1612 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1613 error = 0; 1614 1615 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1616 int sf; 1617 1618 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1619 sf = SF_RETRY_UA; 1620 else 1621 sf = 0; 1622 1623 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1624 if (error == ERESTART) { 1625 /* 1626 * A retry was scheuled, so 1627 * just return. 1628 */ 1629 return; 1630 } 1631 } 1632 1633 if (error != 0) { 1634 int s; 1635 1636 xpt_print_path(periph->path); 1637 printf("cddone: got error %#x back\n", error); 1638 s = splbio(); 1639 bioq_flush(&softc->bio_queue, NULL, EIO); 1640 splx(s); 1641 bp->bio_resid = bp->bio_bcount; 1642 bp->bio_error = error; 1643 bp->bio_flags |= BIO_ERROR; 1644 cam_release_devq(done_ccb->ccb_h.path, 1645 /*relsim_flags*/0, 1646 /*reduction*/0, 1647 /*timeout*/0, 1648 /*getcount_only*/0); 1649 1650 } else { 1651 bp->bio_resid = csio->resid; 1652 bp->bio_error = 0; 1653 if (bp->bio_resid != 0) { 1654 /* 1655 * Short transfer ??? 1656 * XXX: not sure this is correct for partial 1657 * transfers at EOM 1658 */ 1659 bp->bio_flags |= BIO_ERROR; 1660 } 1661 } 1662 1663 /* 1664 * Block out any asyncronous callbacks 1665 * while we touch the pending ccb list. 1666 */ 1667 oldspl = splcam(); 1668 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1669 softc->outstanding_cmds--; 1670 splx(oldspl); 1671 1672 if (softc->flags & CD_FLAG_CHANGER) 1673 cdchangerschedule(softc); 1674 1675 biofinish(bp, NULL, 0); 1676 break; 1677 } 1678 case CD_CCB_PROBE: 1679 { 1680 struct scsi_read_capacity_data *rdcap; 1681 char announce_buf[120]; /* 1682 * Currently (9/30/97) the 1683 * longest possible announce 1684 * buffer is 108 bytes, for the 1685 * first error case below. 1686 * That is 39 bytes for the 1687 * basic string, 16 bytes for the 1688 * biggest sense key (hardware 1689 * error), 52 bytes for the 1690 * text of the largest sense 1691 * qualifier valid for a CDROM, 1692 * (0x72, 0x03 or 0x04, 1693 * 0x03), and one byte for the 1694 * null terminating character. 1695 * To allow for longer strings, 1696 * the announce buffer is 120 1697 * bytes. 1698 */ 1699 struct cd_params *cdp; 1700 1701 cdp = &softc->params; 1702 1703 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1704 1705 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1706 cdp->blksize = scsi_4btoul (rdcap->length); 1707 1708 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1709 1710 snprintf(announce_buf, sizeof(announce_buf), 1711 "cd present [%lu x %lu byte records]", 1712 cdp->disksize, (u_long)cdp->blksize); 1713 1714 } else { 1715 int error; 1716 /* 1717 * Retry any UNIT ATTENTION type errors. They 1718 * are expected at boot. 1719 */ 1720 error = cderror(done_ccb, CAM_RETRY_SELTO, 1721 SF_RETRY_UA | SF_NO_PRINT); 1722 if (error == ERESTART) { 1723 /* 1724 * A retry was scheuled, so 1725 * just return. 1726 */ 1727 return; 1728 } else if (error != 0) { 1729 1730 struct scsi_sense_data *sense; 1731 int asc, ascq; 1732 int sense_key, error_code; 1733 int have_sense; 1734 cam_status status; 1735 struct ccb_getdev cgd; 1736 1737 /* Don't wedge this device's queue */ 1738 cam_release_devq(done_ccb->ccb_h.path, 1739 /*relsim_flags*/0, 1740 /*reduction*/0, 1741 /*timeout*/0, 1742 /*getcount_only*/0); 1743 1744 status = done_ccb->ccb_h.status; 1745 1746 xpt_setup_ccb(&cgd.ccb_h, 1747 done_ccb->ccb_h.path, 1748 /* priority */ 1); 1749 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1750 xpt_action((union ccb *)&cgd); 1751 1752 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1753 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1754 || ((status & CAM_AUTOSNS_VALID) == 0)) 1755 have_sense = FALSE; 1756 else 1757 have_sense = TRUE; 1758 1759 if (have_sense) { 1760 sense = &csio->sense_data; 1761 scsi_extract_sense(sense, &error_code, 1762 &sense_key, 1763 &asc, &ascq); 1764 } 1765 /* 1766 * Attach to anything that claims to be a 1767 * CDROM or WORM device, as long as it 1768 * doesn't return a "Logical unit not 1769 * supported" (0x25) error. 1770 */ 1771 if ((have_sense) && (asc != 0x25) 1772 && (error_code == SSD_CURRENT_ERROR)) { 1773 const char *sense_key_desc; 1774 const char *asc_desc; 1775 1776 scsi_sense_desc(sense_key, asc, ascq, 1777 &cgd.inq_data, 1778 &sense_key_desc, 1779 &asc_desc); 1780 snprintf(announce_buf, 1781 sizeof(announce_buf), 1782 "Attempt to query device " 1783 "size failed: %s, %s", 1784 sense_key_desc, 1785 asc_desc); 1786 } else if ((have_sense == 0) 1787 && ((status & CAM_STATUS_MASK) == 1788 CAM_SCSI_STATUS_ERROR) 1789 && (csio->scsi_status == 1790 SCSI_STATUS_BUSY)) { 1791 snprintf(announce_buf, 1792 sizeof(announce_buf), 1793 "Attempt to query device " 1794 "size failed: SCSI Status: %s", 1795 scsi_status_string(csio)); 1796 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1797 /* 1798 * We only print out an error for 1799 * CDROM type devices. For WORM 1800 * devices, we don't print out an 1801 * error since a few WORM devices 1802 * don't support CDROM commands. 1803 * If we have sense information, go 1804 * ahead and print it out. 1805 * Otherwise, just say that we 1806 * couldn't attach. 1807 */ 1808 1809 /* 1810 * Just print out the error, not 1811 * the full probe message, when we 1812 * don't attach. 1813 */ 1814 if (have_sense) 1815 scsi_sense_print( 1816 &done_ccb->csio); 1817 else { 1818 xpt_print_path(periph->path); 1819 printf("got CAM status %#x\n", 1820 done_ccb->ccb_h.status); 1821 } 1822 xpt_print_path(periph->path); 1823 printf("fatal error, failed" 1824 " to attach to device\n"); 1825 1826 /* 1827 * Invalidate this peripheral. 1828 */ 1829 cam_periph_invalidate(periph); 1830 1831 announce_buf[0] = '\0'; 1832 } else { 1833 1834 /* 1835 * Invalidate this peripheral. 1836 */ 1837 cam_periph_invalidate(periph); 1838 announce_buf[0] = '\0'; 1839 } 1840 } 1841 } 1842 free(rdcap, M_SCSICD); 1843 if (announce_buf[0] != '\0') { 1844 xpt_announce_periph(periph, announce_buf); 1845 if (softc->flags & CD_FLAG_CHANGER) 1846 cdchangerschedule(softc); 1847 /* 1848 * Create our sysctl variables, now that we know 1849 * we have successfully attached. 1850 */ 1851 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1852 } 1853 softc->state = CD_STATE_NORMAL; 1854 /* 1855 * Since our peripheral may be invalidated by an error 1856 * above or an external event, we must release our CCB 1857 * before releasing the probe lock on the peripheral. 1858 * The peripheral will only go away once the last lock 1859 * is removed, and we need it around for the CCB release 1860 * operation. 1861 */ 1862 xpt_release_ccb(done_ccb); 1863 cam_periph_unlock(periph); 1864 return; 1865 } 1866 case CD_CCB_WAITING: 1867 { 1868 /* Caller will release the CCB */ 1869 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1870 ("trying to wakeup ccbwait\n")); 1871 1872 wakeup(&done_ccb->ccb_h.cbfcnp); 1873 return; 1874 } 1875 default: 1876 break; 1877 } 1878 xpt_release_ccb(done_ccb); 1879 } 1880 1881 static union cd_pages * 1882 cdgetpage(struct cd_mode_params *mode_params) 1883 { 1884 union cd_pages *page; 1885 1886 if (mode_params->cdb_size == 10) 1887 page = (union cd_pages *)find_mode_page_10( 1888 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1889 else 1890 page = (union cd_pages *)find_mode_page_6( 1891 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1892 1893 return (page); 1894 } 1895 1896 static int 1897 cdgetpagesize(int page_num) 1898 { 1899 int i; 1900 1901 for (i = 0; i < (sizeof(cd_page_size_table)/ 1902 sizeof(cd_page_size_table[0])); i++) { 1903 if (cd_page_size_table[i].page == page_num) 1904 return (cd_page_size_table[i].page_size); 1905 } 1906 1907 return (-1); 1908 } 1909 1910 static int 1911 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1912 { 1913 1914 struct cam_periph *periph; 1915 struct cd_softc *softc; 1916 int error, nocopyout; 1917 1918 periph = (struct cam_periph *)dp->d_drv1; 1919 if (periph == NULL) 1920 return(ENXIO); 1921 1922 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1923 1924 softc = (struct cd_softc *)periph->softc; 1925 1926 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1927 ("trying to do ioctl %#lx\n", cmd)); 1928 1929 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1930 1931 if (error != 0) 1932 return(error); 1933 /* 1934 * If we don't have media loaded, check for it. If still don't 1935 * have media loaded, we can only do a load or eject. 1936 * 1937 * We only care whether media is loaded if this is a cd-specific ioctl 1938 * (thus the IOCGROUP check below). Note that this will break if 1939 * anyone adds any ioctls into the switch statement below that don't 1940 * have their ioctl group set to 'c'. 1941 */ 1942 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1943 && ((cmd != CDIOCCLOSE) 1944 && (cmd != CDIOCEJECT)) 1945 && (IOCGROUP(cmd) == 'c')) { 1946 error = cdcheckmedia(periph); 1947 if (error != 0) { 1948 cam_periph_unlock(periph); 1949 return (error); 1950 } 1951 } 1952 1953 nocopyout = 0; 1954 switch (cmd) { 1955 1956 case CDIOCPLAYTRACKS: 1957 { 1958 struct ioc_play_track *args 1959 = (struct ioc_play_track *) addr; 1960 struct cd_mode_params params; 1961 union cd_pages *page; 1962 1963 params.alloc_len = sizeof(union cd_mode_data_6_10); 1964 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1965 M_WAITOK | M_ZERO); 1966 1967 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1968 ("trying to do CDIOCPLAYTRACKS\n")); 1969 1970 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1971 if (error) { 1972 free(params.mode_buf, M_SCSICD); 1973 break; 1974 } 1975 page = cdgetpage(¶ms); 1976 1977 page->audio.flags &= ~CD_PA_SOTC; 1978 page->audio.flags |= CD_PA_IMMED; 1979 error = cdsetmode(periph, ¶ms); 1980 free(params.mode_buf, M_SCSICD); 1981 if (error) 1982 break; 1983 1984 /* 1985 * This was originally implemented with the PLAY 1986 * AUDIO TRACK INDEX command, but that command was 1987 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1988 * drives support it but ATAPI and ATAPI-derivative 1989 * drives don't seem to support it. So we keep a 1990 * cache of the table of contents and translate 1991 * track numbers to MSF format. 1992 */ 1993 if (softc->flags & CD_FLAG_VALID_TOC) { 1994 union msf_lba *sentry, *eentry; 1995 int st, et; 1996 1997 if (args->end_track < 1998 softc->toc.header.ending_track + 1) 1999 args->end_track++; 2000 if (args->end_track > 2001 softc->toc.header.ending_track + 1) 2002 args->end_track = 2003 softc->toc.header.ending_track + 1; 2004 st = args->start_track - 2005 softc->toc.header.starting_track; 2006 et = args->end_track - 2007 softc->toc.header.starting_track; 2008 if ((st < 0) 2009 || (et < 0) 2010 || (st > (softc->toc.header.ending_track - 2011 softc->toc.header.starting_track))) { 2012 error = EINVAL; 2013 break; 2014 } 2015 sentry = &softc->toc.entries[st].addr; 2016 eentry = &softc->toc.entries[et].addr; 2017 error = cdplaymsf(periph, 2018 sentry->msf.minute, 2019 sentry->msf.second, 2020 sentry->msf.frame, 2021 eentry->msf.minute, 2022 eentry->msf.second, 2023 eentry->msf.frame); 2024 } else { 2025 /* 2026 * If we don't have a valid TOC, try the 2027 * play track index command. It is part of 2028 * the SCSI-2 spec, but was removed in the 2029 * MMC specs. ATAPI and ATAPI-derived 2030 * drives don't support it. 2031 */ 2032 if (softc->quirks & CD_Q_BCD_TRACKS) { 2033 args->start_track = 2034 bin2bcd(args->start_track); 2035 args->end_track = 2036 bin2bcd(args->end_track); 2037 } 2038 error = cdplaytracks(periph, 2039 args->start_track, 2040 args->start_index, 2041 args->end_track, 2042 args->end_index); 2043 } 2044 } 2045 break; 2046 case CDIOCPLAYMSF: 2047 { 2048 struct ioc_play_msf *args 2049 = (struct ioc_play_msf *) addr; 2050 struct cd_mode_params params; 2051 union cd_pages *page; 2052 2053 params.alloc_len = sizeof(union cd_mode_data_6_10); 2054 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2055 M_WAITOK | M_ZERO); 2056 2057 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2058 ("trying to do CDIOCPLAYMSF\n")); 2059 2060 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2061 if (error) { 2062 free(params.mode_buf, M_SCSICD); 2063 break; 2064 } 2065 page = cdgetpage(¶ms); 2066 2067 page->audio.flags &= ~CD_PA_SOTC; 2068 page->audio.flags |= CD_PA_IMMED; 2069 error = cdsetmode(periph, ¶ms); 2070 free(params.mode_buf, M_SCSICD); 2071 if (error) 2072 break; 2073 error = cdplaymsf(periph, 2074 args->start_m, 2075 args->start_s, 2076 args->start_f, 2077 args->end_m, 2078 args->end_s, 2079 args->end_f); 2080 } 2081 break; 2082 case CDIOCPLAYBLOCKS: 2083 { 2084 struct ioc_play_blocks *args 2085 = (struct ioc_play_blocks *) addr; 2086 struct cd_mode_params params; 2087 union cd_pages *page; 2088 2089 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2090 ("trying to do CDIOCPLAYBLOCKS\n")); 2091 2092 params.alloc_len = sizeof(union cd_mode_data_6_10); 2093 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2094 M_WAITOK | M_ZERO); 2095 2096 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2097 if (error) { 2098 free(params.mode_buf, M_SCSICD); 2099 break; 2100 } 2101 page = cdgetpage(¶ms); 2102 2103 page->audio.flags &= ~CD_PA_SOTC; 2104 page->audio.flags |= CD_PA_IMMED; 2105 error = cdsetmode(periph, ¶ms); 2106 free(params.mode_buf, M_SCSICD); 2107 if (error) 2108 break; 2109 error = cdplay(periph, args->blk, args->len); 2110 } 2111 break; 2112 case CDIOCREADSUBCHANNEL_SYSSPACE: 2113 nocopyout = 1; 2114 /* Fallthrough */ 2115 case CDIOCREADSUBCHANNEL: 2116 { 2117 struct ioc_read_subchannel *args 2118 = (struct ioc_read_subchannel *) addr; 2119 struct cd_sub_channel_info *data; 2120 u_int32_t len = args->data_len; 2121 2122 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2123 ("trying to do CDIOCREADSUBCHANNEL\n")); 2124 2125 data = malloc(sizeof(struct cd_sub_channel_info), 2126 M_SCSICD, M_WAITOK); 2127 2128 if ((len > sizeof(struct cd_sub_channel_info)) || 2129 (len < sizeof(struct cd_sub_channel_header))) { 2130 printf( 2131 "scsi_cd: cdioctl: " 2132 "cdioreadsubchannel: error, len=%d\n", 2133 len); 2134 error = EINVAL; 2135 free(data, M_SCSICD); 2136 break; 2137 } 2138 2139 if (softc->quirks & CD_Q_BCD_TRACKS) 2140 args->track = bin2bcd(args->track); 2141 2142 error = cdreadsubchannel(periph, args->address_format, 2143 args->data_format, args->track, data, len); 2144 2145 if (error) { 2146 free(data, M_SCSICD); 2147 break; 2148 } 2149 if (softc->quirks & CD_Q_BCD_TRACKS) 2150 data->what.track_info.track_number = 2151 bcd2bin(data->what.track_info.track_number); 2152 len = min(len, ((data->header.data_len[0] << 8) + 2153 data->header.data_len[1] + 2154 sizeof(struct cd_sub_channel_header))); 2155 if (nocopyout == 0) { 2156 if (copyout(data, args->data, len) != 0) { 2157 error = EFAULT; 2158 } 2159 } else { 2160 bcopy(data, args->data, len); 2161 } 2162 free(data, M_SCSICD); 2163 } 2164 break; 2165 2166 case CDIOREADTOCHEADER: 2167 { 2168 struct ioc_toc_header *th; 2169 2170 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2171 ("trying to do CDIOREADTOCHEADER\n")); 2172 2173 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 2174 M_WAITOK); 2175 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2176 sizeof (*th), /*sense_flags*/0); 2177 if (error) { 2178 free(th, M_SCSICD); 2179 break; 2180 } 2181 if (softc->quirks & CD_Q_BCD_TRACKS) { 2182 /* we are going to have to convert the BCD 2183 * encoding on the cd to what is expected 2184 */ 2185 th->starting_track = 2186 bcd2bin(th->starting_track); 2187 th->ending_track = bcd2bin(th->ending_track); 2188 } 2189 th->len = ntohs(th->len); 2190 bcopy(th, addr, sizeof(*th)); 2191 free(th, M_SCSICD); 2192 } 2193 break; 2194 case CDIOREADTOCENTRYS: 2195 { 2196 struct cd_tocdata *data; 2197 struct cd_toc_single *lead; 2198 struct ioc_read_toc_entry *te = 2199 (struct ioc_read_toc_entry *) addr; 2200 struct ioc_toc_header *th; 2201 u_int32_t len, readlen, idx, num; 2202 u_int32_t starting_track = te->starting_track; 2203 2204 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2205 ("trying to do CDIOREADTOCENTRYS\n")); 2206 2207 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2208 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2209 2210 if (te->data_len < sizeof(struct cd_toc_entry) 2211 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2212 || (te->address_format != CD_MSF_FORMAT 2213 && te->address_format != CD_LBA_FORMAT)) { 2214 error = EINVAL; 2215 printf("scsi_cd: error in readtocentries, " 2216 "returning EINVAL\n"); 2217 free(data, M_SCSICD); 2218 free(lead, M_SCSICD); 2219 break; 2220 } 2221 2222 th = &data->header; 2223 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2224 sizeof (*th), /*sense_flags*/0); 2225 if (error) { 2226 free(data, M_SCSICD); 2227 free(lead, M_SCSICD); 2228 break; 2229 } 2230 2231 if (softc->quirks & CD_Q_BCD_TRACKS) { 2232 /* we are going to have to convert the BCD 2233 * encoding on the cd to what is expected 2234 */ 2235 th->starting_track = 2236 bcd2bin(th->starting_track); 2237 th->ending_track = bcd2bin(th->ending_track); 2238 } 2239 2240 if (starting_track == 0) 2241 starting_track = th->starting_track; 2242 else if (starting_track == LEADOUT) 2243 starting_track = th->ending_track + 1; 2244 else if (starting_track < th->starting_track || 2245 starting_track > th->ending_track + 1) { 2246 printf("scsi_cd: error in readtocentries, " 2247 "returning EINVAL\n"); 2248 free(data, M_SCSICD); 2249 free(lead, M_SCSICD); 2250 error = EINVAL; 2251 break; 2252 } 2253 2254 /* calculate reading length without leadout entry */ 2255 readlen = (th->ending_track - starting_track + 1) * 2256 sizeof(struct cd_toc_entry); 2257 2258 /* and with leadout entry */ 2259 len = readlen + sizeof(struct cd_toc_entry); 2260 if (te->data_len < len) { 2261 len = te->data_len; 2262 if (readlen > len) 2263 readlen = len; 2264 } 2265 if (len > sizeof(data->entries)) { 2266 printf("scsi_cd: error in readtocentries, " 2267 "returning EINVAL\n"); 2268 error = EINVAL; 2269 free(data, M_SCSICD); 2270 free(lead, M_SCSICD); 2271 break; 2272 } 2273 num = len / sizeof(struct cd_toc_entry); 2274 2275 if (readlen > 0) { 2276 error = cdreadtoc(periph, te->address_format, 2277 starting_track, 2278 (u_int8_t *)data, 2279 readlen + sizeof (*th), 2280 /*sense_flags*/0); 2281 if (error) { 2282 free(data, M_SCSICD); 2283 free(lead, M_SCSICD); 2284 break; 2285 } 2286 } 2287 2288 /* make leadout entry if needed */ 2289 idx = starting_track + num - 1; 2290 if (softc->quirks & CD_Q_BCD_TRACKS) 2291 th->ending_track = bcd2bin(th->ending_track); 2292 if (idx == th->ending_track + 1) { 2293 error = cdreadtoc(periph, te->address_format, 2294 LEADOUT, (u_int8_t *)lead, 2295 sizeof(*lead), 2296 /*sense_flags*/0); 2297 if (error) { 2298 free(data, M_SCSICD); 2299 free(lead, M_SCSICD); 2300 break; 2301 } 2302 data->entries[idx - starting_track] = 2303 lead->entry; 2304 } 2305 if (softc->quirks & CD_Q_BCD_TRACKS) { 2306 for (idx = 0; idx < num - 1; idx++) { 2307 data->entries[idx].track = 2308 bcd2bin(data->entries[idx].track); 2309 } 2310 } 2311 2312 error = copyout(data->entries, te->data, len); 2313 free(data, M_SCSICD); 2314 free(lead, M_SCSICD); 2315 } 2316 break; 2317 case CDIOREADTOCENTRY: 2318 { 2319 struct cd_toc_single *data; 2320 struct ioc_read_toc_single_entry *te = 2321 (struct ioc_read_toc_single_entry *) addr; 2322 struct ioc_toc_header *th; 2323 u_int32_t track; 2324 2325 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2326 ("trying to do CDIOREADTOCENTRY\n")); 2327 2328 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK); 2329 2330 if (te->address_format != CD_MSF_FORMAT 2331 && te->address_format != CD_LBA_FORMAT) { 2332 printf("error in readtocentry, " 2333 " returning EINVAL\n"); 2334 free(data, M_SCSICD); 2335 error = EINVAL; 2336 break; 2337 } 2338 2339 th = &data->header; 2340 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2341 sizeof (*th), /*sense_flags*/0); 2342 if (error) { 2343 free(data, M_SCSICD); 2344 break; 2345 } 2346 2347 if (softc->quirks & CD_Q_BCD_TRACKS) { 2348 /* we are going to have to convert the BCD 2349 * encoding on the cd to what is expected 2350 */ 2351 th->starting_track = 2352 bcd2bin(th->starting_track); 2353 th->ending_track = bcd2bin(th->ending_track); 2354 } 2355 track = te->track; 2356 if (track == 0) 2357 track = th->starting_track; 2358 else if (track == LEADOUT) 2359 /* OK */; 2360 else if (track < th->starting_track || 2361 track > th->ending_track + 1) { 2362 printf("error in readtocentry, " 2363 " returning EINVAL\n"); 2364 free(data, M_SCSICD); 2365 error = EINVAL; 2366 break; 2367 } 2368 2369 error = cdreadtoc(periph, te->address_format, track, 2370 (u_int8_t *)data, sizeof(*data), 2371 /*sense_flags*/0); 2372 if (error) { 2373 free(data, M_SCSICD); 2374 break; 2375 } 2376 2377 if (softc->quirks & CD_Q_BCD_TRACKS) 2378 data->entry.track = bcd2bin(data->entry.track); 2379 bcopy(&data->entry, &te->entry, 2380 sizeof(struct cd_toc_entry)); 2381 free(data, M_SCSICD); 2382 } 2383 break; 2384 case CDIOCSETPATCH: 2385 { 2386 struct ioc_patch *arg = (struct ioc_patch *)addr; 2387 struct cd_mode_params params; 2388 union cd_pages *page; 2389 2390 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2391 ("trying to do CDIOCSETPATCH\n")); 2392 2393 params.alloc_len = sizeof(union cd_mode_data_6_10); 2394 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2395 M_WAITOK | M_ZERO); 2396 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2397 if (error) { 2398 free(params.mode_buf, M_SCSICD); 2399 break; 2400 } 2401 page = cdgetpage(¶ms); 2402 2403 page->audio.port[LEFT_PORT].channels = 2404 arg->patch[0]; 2405 page->audio.port[RIGHT_PORT].channels = 2406 arg->patch[1]; 2407 page->audio.port[2].channels = arg->patch[2]; 2408 page->audio.port[3].channels = arg->patch[3]; 2409 error = cdsetmode(periph, ¶ms); 2410 free(params.mode_buf, M_SCSICD); 2411 } 2412 break; 2413 case CDIOCGETVOL: 2414 { 2415 struct ioc_vol *arg = (struct ioc_vol *) addr; 2416 struct cd_mode_params params; 2417 union cd_pages *page; 2418 2419 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2420 ("trying to do CDIOCGETVOL\n")); 2421 2422 params.alloc_len = sizeof(union cd_mode_data_6_10); 2423 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2424 M_WAITOK | M_ZERO); 2425 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2426 if (error) { 2427 free(params.mode_buf, M_SCSICD); 2428 break; 2429 } 2430 page = cdgetpage(¶ms); 2431 2432 arg->vol[LEFT_PORT] = 2433 page->audio.port[LEFT_PORT].volume; 2434 arg->vol[RIGHT_PORT] = 2435 page->audio.port[RIGHT_PORT].volume; 2436 arg->vol[2] = page->audio.port[2].volume; 2437 arg->vol[3] = page->audio.port[3].volume; 2438 free(params.mode_buf, M_SCSICD); 2439 } 2440 break; 2441 case CDIOCSETVOL: 2442 { 2443 struct ioc_vol *arg = (struct ioc_vol *) addr; 2444 struct cd_mode_params params; 2445 union cd_pages *page; 2446 2447 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2448 ("trying to do CDIOCSETVOL\n")); 2449 2450 params.alloc_len = sizeof(union cd_mode_data_6_10); 2451 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2452 M_WAITOK | M_ZERO); 2453 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2454 if (error) { 2455 free(params.mode_buf, M_SCSICD); 2456 break; 2457 } 2458 page = cdgetpage(¶ms); 2459 2460 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2461 page->audio.port[LEFT_PORT].volume = 2462 arg->vol[LEFT_PORT]; 2463 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2464 page->audio.port[RIGHT_PORT].volume = 2465 arg->vol[RIGHT_PORT]; 2466 page->audio.port[2].volume = arg->vol[2]; 2467 page->audio.port[3].volume = arg->vol[3]; 2468 error = cdsetmode(periph, ¶ms); 2469 free(params.mode_buf, M_SCSICD); 2470 } 2471 break; 2472 case CDIOCSETMONO: 2473 { 2474 struct cd_mode_params params; 2475 union cd_pages *page; 2476 2477 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2478 ("trying to do CDIOCSETMONO\n")); 2479 2480 params.alloc_len = sizeof(union cd_mode_data_6_10); 2481 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2482 M_WAITOK | M_ZERO); 2483 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2484 if (error) { 2485 free(params.mode_buf, M_SCSICD); 2486 break; 2487 } 2488 page = cdgetpage(¶ms); 2489 2490 page->audio.port[LEFT_PORT].channels = 2491 LEFT_CHANNEL | RIGHT_CHANNEL; 2492 page->audio.port[RIGHT_PORT].channels = 2493 LEFT_CHANNEL | RIGHT_CHANNEL; 2494 page->audio.port[2].channels = 0; 2495 page->audio.port[3].channels = 0; 2496 error = cdsetmode(periph, ¶ms); 2497 free(params.mode_buf, M_SCSICD); 2498 } 2499 break; 2500 case CDIOCSETSTEREO: 2501 { 2502 struct cd_mode_params params; 2503 union cd_pages *page; 2504 2505 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2506 ("trying to do CDIOCSETSTEREO\n")); 2507 2508 params.alloc_len = sizeof(union cd_mode_data_6_10); 2509 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2510 M_WAITOK | M_ZERO); 2511 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2512 if (error) { 2513 free(params.mode_buf, M_SCSICD); 2514 break; 2515 } 2516 page = cdgetpage(¶ms); 2517 2518 page->audio.port[LEFT_PORT].channels = 2519 LEFT_CHANNEL; 2520 page->audio.port[RIGHT_PORT].channels = 2521 RIGHT_CHANNEL; 2522 page->audio.port[2].channels = 0; 2523 page->audio.port[3].channels = 0; 2524 error = cdsetmode(periph, ¶ms); 2525 free(params.mode_buf, M_SCSICD); 2526 } 2527 break; 2528 case CDIOCSETMUTE: 2529 { 2530 struct cd_mode_params params; 2531 union cd_pages *page; 2532 2533 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2534 ("trying to do CDIOCSETMUTE\n")); 2535 2536 params.alloc_len = sizeof(union cd_mode_data_6_10); 2537 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2538 M_WAITOK | M_ZERO); 2539 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2540 if (error) { 2541 free(¶ms, M_SCSICD); 2542 break; 2543 } 2544 page = cdgetpage(¶ms); 2545 2546 page->audio.port[LEFT_PORT].channels = 0; 2547 page->audio.port[RIGHT_PORT].channels = 0; 2548 page->audio.port[2].channels = 0; 2549 page->audio.port[3].channels = 0; 2550 error = cdsetmode(periph, ¶ms); 2551 free(params.mode_buf, M_SCSICD); 2552 } 2553 break; 2554 case CDIOCSETLEFT: 2555 { 2556 struct cd_mode_params params; 2557 union cd_pages *page; 2558 2559 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2560 ("trying to do CDIOCSETLEFT\n")); 2561 2562 params.alloc_len = sizeof(union cd_mode_data_6_10); 2563 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2564 M_WAITOK | M_ZERO); 2565 2566 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2567 if (error) { 2568 free(params.mode_buf, M_SCSICD); 2569 break; 2570 } 2571 page = cdgetpage(¶ms); 2572 2573 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2574 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2575 page->audio.port[2].channels = 0; 2576 page->audio.port[3].channels = 0; 2577 error = cdsetmode(periph, ¶ms); 2578 free(params.mode_buf, M_SCSICD); 2579 } 2580 break; 2581 case CDIOCSETRIGHT: 2582 { 2583 struct cd_mode_params params; 2584 union cd_pages *page; 2585 2586 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2587 ("trying to do CDIOCSETRIGHT\n")); 2588 2589 params.alloc_len = sizeof(union cd_mode_data_6_10); 2590 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2591 M_WAITOK | M_ZERO); 2592 2593 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2594 if (error) { 2595 free(params.mode_buf, M_SCSICD); 2596 break; 2597 } 2598 page = cdgetpage(¶ms); 2599 2600 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2601 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2602 page->audio.port[2].channels = 0; 2603 page->audio.port[3].channels = 0; 2604 error = cdsetmode(periph, ¶ms); 2605 free(params.mode_buf, M_SCSICD); 2606 } 2607 break; 2608 case CDIOCRESUME: 2609 error = cdpause(periph, 1); 2610 break; 2611 case CDIOCPAUSE: 2612 error = cdpause(periph, 0); 2613 break; 2614 case CDIOCSTART: 2615 error = cdstartunit(periph, 0); 2616 break; 2617 case CDIOCCLOSE: 2618 error = cdstartunit(periph, 1); 2619 break; 2620 case CDIOCSTOP: 2621 error = cdstopunit(periph, 0); 2622 break; 2623 case CDIOCEJECT: 2624 error = cdstopunit(periph, 1); 2625 break; 2626 case CDIOCALLOW: 2627 cdprevent(periph, PR_ALLOW); 2628 break; 2629 case CDIOCPREVENT: 2630 cdprevent(periph, PR_PREVENT); 2631 break; 2632 case CDIOCSETDEBUG: 2633 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2634 error = ENOTTY; 2635 break; 2636 case CDIOCCLRDEBUG: 2637 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2638 error = ENOTTY; 2639 break; 2640 case CDIOCRESET: 2641 /* return (cd_reset(periph)); */ 2642 error = ENOTTY; 2643 break; 2644 case CDRIOCREADSPEED: 2645 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2646 break; 2647 case CDRIOCWRITESPEED: 2648 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2649 break; 2650 case DVDIOCSENDKEY: 2651 case DVDIOCREPORTKEY: { 2652 struct dvd_authinfo *authinfo; 2653 2654 authinfo = (struct dvd_authinfo *)addr; 2655 2656 if (cmd == DVDIOCREPORTKEY) 2657 error = cdreportkey(periph, authinfo); 2658 else 2659 error = cdsendkey(periph, authinfo); 2660 break; 2661 } 2662 case DVDIOCREADSTRUCTURE: { 2663 struct dvd_struct *dvdstruct; 2664 2665 dvdstruct = (struct dvd_struct *)addr; 2666 2667 error = cdreaddvdstructure(periph, dvdstruct); 2668 2669 break; 2670 } 2671 default: 2672 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2673 break; 2674 } 2675 2676 cam_periph_unlock(periph); 2677 2678 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2679 if (error && bootverbose) { 2680 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2681 } 2682 2683 return (error); 2684 } 2685 2686 static void 2687 cdprevent(struct cam_periph *periph, int action) 2688 { 2689 union ccb *ccb; 2690 struct cd_softc *softc; 2691 int error; 2692 2693 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2694 2695 softc = (struct cd_softc *)periph->softc; 2696 2697 if (((action == PR_ALLOW) 2698 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2699 || ((action == PR_PREVENT) 2700 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2701 return; 2702 } 2703 2704 ccb = cdgetccb(periph, /* priority */ 1); 2705 2706 scsi_prevent(&ccb->csio, 2707 /*retries*/ 1, 2708 cddone, 2709 MSG_SIMPLE_Q_TAG, 2710 action, 2711 SSD_FULL_SIZE, 2712 /* timeout */60000); 2713 2714 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2715 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2716 2717 xpt_release_ccb(ccb); 2718 2719 if (error == 0) { 2720 if (action == PR_ALLOW) 2721 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2722 else 2723 softc->flags |= CD_FLAG_DISC_LOCKED; 2724 } 2725 } 2726 2727 /* 2728 * XXX: the disk media and sector size is only really able to change 2729 * XXX: while the device is closed. 2730 */ 2731 static int 2732 cdcheckmedia(struct cam_periph *periph) 2733 { 2734 struct cd_softc *softc; 2735 struct ioc_toc_header *toch; 2736 struct cd_toc_single leadout; 2737 u_int32_t size, toclen; 2738 int error, num_entries, cdindex; 2739 2740 softc = (struct cd_softc *)periph->softc; 2741 2742 cdprevent(periph, PR_PREVENT); 2743 softc->disk->d_maxsize = DFLTPHYS; 2744 softc->disk->d_sectorsize = 2048; 2745 softc->disk->d_mediasize = 0; 2746 2747 /* 2748 * Get the disc size and block size. If we can't get it, we don't 2749 * have media, most likely. 2750 */ 2751 if ((error = cdsize(periph, &size)) != 0) { 2752 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2753 cdprevent(periph, PR_ALLOW); 2754 return (error); 2755 } else 2756 softc->flags |= CD_FLAG_VALID_MEDIA; 2757 2758 /* 2759 * Now we check the table of contents. This (currently) is only 2760 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2761 * things like present a separate entry in /dev for each track, 2762 * like that acd(4) driver does. 2763 */ 2764 bzero(&softc->toc, sizeof(softc->toc)); 2765 toch = &softc->toc.header; 2766 /* 2767 * We will get errors here for media that doesn't have a table of 2768 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2769 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2770 * has not been recorded (no complete session) and the Format codes 2771 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2772 * with an INVALID FIELD IN CDB. Devices that are not capable of 2773 * reading an incomplete session on DDC/CD-R/RW media shall report 2774 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2775 * 2776 * So this isn't fatal if we can't read the table of contents, it 2777 * just means that the user won't be able to issue the play tracks 2778 * ioctl, and likely lots of other stuff won't work either. They 2779 * need to burn the CD before we can do a whole lot with it. So 2780 * we don't print anything here if we get an error back. 2781 */ 2782 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2783 SF_NO_PRINT); 2784 /* 2785 * Errors in reading the table of contents aren't fatal, we just 2786 * won't have a valid table of contents cached. 2787 */ 2788 if (error != 0) { 2789 error = 0; 2790 bzero(&softc->toc, sizeof(softc->toc)); 2791 goto bailout; 2792 } 2793 2794 if (softc->quirks & CD_Q_BCD_TRACKS) { 2795 toch->starting_track = bcd2bin(toch->starting_track); 2796 toch->ending_track = bcd2bin(toch->ending_track); 2797 } 2798 2799 /* Number of TOC entries, plus leadout */ 2800 num_entries = (toch->ending_track - toch->starting_track) + 2; 2801 2802 if (num_entries <= 0) 2803 goto bailout; 2804 2805 toclen = num_entries * sizeof(struct cd_toc_entry); 2806 2807 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2808 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2809 SF_NO_PRINT); 2810 if (error != 0) { 2811 error = 0; 2812 bzero(&softc->toc, sizeof(softc->toc)); 2813 goto bailout; 2814 } 2815 2816 if (softc->quirks & CD_Q_BCD_TRACKS) { 2817 toch->starting_track = bcd2bin(toch->starting_track); 2818 toch->ending_track = bcd2bin(toch->ending_track); 2819 } 2820 /* 2821 * XXX KDM is this necessary? Probably only if the drive doesn't 2822 * return leadout information with the table of contents. 2823 */ 2824 cdindex = toch->starting_track + num_entries -1; 2825 if (cdindex == toch->ending_track + 1) { 2826 2827 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2828 (u_int8_t *)&leadout, sizeof(leadout), 2829 SF_NO_PRINT); 2830 if (error != 0) { 2831 error = 0; 2832 goto bailout; 2833 } 2834 softc->toc.entries[cdindex - toch->starting_track] = 2835 leadout.entry; 2836 } 2837 if (softc->quirks & CD_Q_BCD_TRACKS) { 2838 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2839 softc->toc.entries[cdindex].track = 2840 bcd2bin(softc->toc.entries[cdindex].track); 2841 } 2842 } 2843 2844 softc->flags |= CD_FLAG_VALID_TOC; 2845 softc->disk->d_maxsize = DFLTPHYS; 2846 softc->disk->d_sectorsize = softc->params.blksize; 2847 softc->disk->d_mediasize = 2848 (off_t)softc->params.blksize * softc->params.disksize; 2849 2850 bailout: 2851 2852 /* 2853 * We unconditionally (re)set the blocksize each time the 2854 * CD device is opened. This is because the CD can change, 2855 * and therefore the blocksize might change. 2856 * XXX problems here if some slice or partition is still 2857 * open with the old size? 2858 */ 2859 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2860 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2861 softc->disk->d_devstat->block_size = softc->params.blksize; 2862 2863 return (error); 2864 } 2865 2866 static int 2867 cdsize(struct cam_periph *periph, u_int32_t *size) 2868 { 2869 struct cd_softc *softc; 2870 union ccb *ccb; 2871 struct scsi_read_capacity_data *rcap_buf; 2872 int error; 2873 2874 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2875 2876 softc = (struct cd_softc *)periph->softc; 2877 2878 ccb = cdgetccb(periph, /* priority */ 1); 2879 2880 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2881 M_SCSICD, M_WAITOK); 2882 2883 scsi_read_capacity(&ccb->csio, 2884 /*retries*/ 1, 2885 cddone, 2886 MSG_SIMPLE_Q_TAG, 2887 rcap_buf, 2888 SSD_FULL_SIZE, 2889 /* timeout */20000); 2890 2891 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2892 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2893 2894 xpt_release_ccb(ccb); 2895 2896 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2897 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2898 /* 2899 * SCSI-3 mandates that the reported blocksize shall be 2048. 2900 * Older drives sometimes report funny values, trim it down to 2901 * 2048, or other parts of the kernel will get confused. 2902 * 2903 * XXX we leave drives alone that might report 512 bytes, as 2904 * well as drives reporting more weird sizes like perhaps 4K. 2905 */ 2906 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2907 softc->params.blksize = 2048; 2908 2909 free(rcap_buf, M_SCSICD); 2910 *size = softc->params.disksize; 2911 2912 return (error); 2913 2914 } 2915 2916 static int 2917 cd6byteworkaround(union ccb *ccb) 2918 { 2919 u_int8_t *cdb; 2920 struct cam_periph *periph; 2921 struct cd_softc *softc; 2922 struct cd_mode_params *params; 2923 int frozen, found; 2924 2925 periph = xpt_path_periph(ccb->ccb_h.path); 2926 softc = (struct cd_softc *)periph->softc; 2927 2928 cdb = ccb->csio.cdb_io.cdb_bytes; 2929 2930 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2931 || ((cdb[0] != MODE_SENSE_6) 2932 && (cdb[0] != MODE_SELECT_6))) 2933 return (0); 2934 2935 /* 2936 * Because there is no convenient place to stash the overall 2937 * cd_mode_params structure pointer, we have to grab it like this. 2938 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2939 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2940 * 2941 * XXX It would be nice if, at some point, we could increase the 2942 * number of available peripheral private pointers. Both pointers 2943 * are currently used in most every peripheral driver. 2944 */ 2945 found = 0; 2946 2947 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2948 if (params->mode_buf == ccb->csio.data_ptr) { 2949 found = 1; 2950 break; 2951 } 2952 } 2953 2954 /* 2955 * This shouldn't happen. All mode sense and mode select 2956 * operations in the cd(4) driver MUST go through cdgetmode() and 2957 * cdsetmode()! 2958 */ 2959 if (found == 0) { 2960 xpt_print_path(periph->path); 2961 printf("mode buffer not found in mode queue!\n"); 2962 return (0); 2963 } 2964 2965 params->cdb_size = 10; 2966 softc->minimum_command_size = 10; 2967 xpt_print_path(ccb->ccb_h.path); 2968 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2969 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2970 2971 if (cdb[0] == MODE_SENSE_6) { 2972 struct scsi_mode_sense_10 ms10; 2973 struct scsi_mode_sense_6 *ms6; 2974 int len; 2975 2976 ms6 = (struct scsi_mode_sense_6 *)cdb; 2977 2978 bzero(&ms10, sizeof(ms10)); 2979 ms10.opcode = MODE_SENSE_10; 2980 ms10.byte2 = ms6->byte2; 2981 ms10.page = ms6->page; 2982 2983 /* 2984 * 10 byte mode header, block descriptor, 2985 * sizeof(union cd_pages) 2986 */ 2987 len = sizeof(struct cd_mode_data_10); 2988 ccb->csio.dxfer_len = len; 2989 2990 scsi_ulto2b(len, ms10.length); 2991 ms10.control = ms6->control; 2992 bcopy(&ms10, cdb, 10); 2993 ccb->csio.cdb_len = 10; 2994 } else { 2995 struct scsi_mode_select_10 ms10; 2996 struct scsi_mode_select_6 *ms6; 2997 struct scsi_mode_header_6 *header6; 2998 struct scsi_mode_header_10 *header10; 2999 struct scsi_mode_page_header *page_header; 3000 int blk_desc_len, page_num, page_size, len; 3001 3002 ms6 = (struct scsi_mode_select_6 *)cdb; 3003 3004 bzero(&ms10, sizeof(ms10)); 3005 ms10.opcode = MODE_SELECT_10; 3006 ms10.byte2 = ms6->byte2; 3007 3008 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3009 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3010 3011 page_header = find_mode_page_6(header6); 3012 page_num = page_header->page_code; 3013 3014 blk_desc_len = header6->blk_desc_len; 3015 3016 page_size = cdgetpagesize(page_num); 3017 3018 if (page_size != (page_header->page_length + 3019 sizeof(*page_header))) 3020 page_size = page_header->page_length + 3021 sizeof(*page_header); 3022 3023 len = sizeof(*header10) + blk_desc_len + page_size; 3024 3025 len = min(params->alloc_len, len); 3026 3027 /* 3028 * Since the 6 byte parameter header is shorter than the 10 3029 * byte parameter header, we need to copy the actual mode 3030 * page data, and the block descriptor, if any, so things wind 3031 * up in the right place. The regions will overlap, but 3032 * bcopy() does the right thing. 3033 */ 3034 bcopy(params->mode_buf + sizeof(*header6), 3035 params->mode_buf + sizeof(*header10), 3036 len - sizeof(*header10)); 3037 3038 /* Make sure these fields are set correctly. */ 3039 scsi_ulto2b(0, header10->data_length); 3040 header10->medium_type = 0; 3041 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3042 3043 ccb->csio.dxfer_len = len; 3044 3045 scsi_ulto2b(len, ms10.length); 3046 ms10.control = ms6->control; 3047 bcopy(&ms10, cdb, 10); 3048 ccb->csio.cdb_len = 10; 3049 } 3050 3051 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3052 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3053 xpt_action(ccb); 3054 if (frozen) { 3055 cam_release_devq(ccb->ccb_h.path, 3056 /*relsim_flags*/0, 3057 /*openings*/0, 3058 /*timeout*/0, 3059 /*getcount_only*/0); 3060 } 3061 3062 return (ERESTART); 3063 } 3064 3065 static int 3066 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3067 { 3068 struct cd_softc *softc; 3069 struct cam_periph *periph; 3070 int error; 3071 3072 periph = xpt_path_periph(ccb->ccb_h.path); 3073 softc = (struct cd_softc *)periph->softc; 3074 3075 error = 0; 3076 3077 /* 3078 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3079 * CDB comes back with this particular error, try transforming it 3080 * into the 10 byte version. 3081 */ 3082 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3083 error = cd6byteworkaround(ccb); 3084 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3085 CAM_SCSI_STATUS_ERROR) 3086 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3087 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3088 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3089 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3090 int sense_key, error_code, asc, ascq; 3091 3092 scsi_extract_sense(&ccb->csio.sense_data, 3093 &error_code, &sense_key, &asc, &ascq); 3094 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3095 error = cd6byteworkaround(ccb); 3096 } 3097 3098 if (error == ERESTART) 3099 return (error); 3100 3101 /* 3102 * XXX 3103 * Until we have a better way of doing pack validation, 3104 * don't treat UAs as errors. 3105 */ 3106 sense_flags |= SF_RETRY_UA; 3107 return (cam_periph_error(ccb, cam_flags, sense_flags, 3108 &softc->saved_ccb)); 3109 } 3110 3111 /* 3112 * Read table of contents 3113 */ 3114 static int 3115 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3116 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3117 { 3118 struct scsi_read_toc *scsi_cmd; 3119 u_int32_t ntoc; 3120 struct ccb_scsiio *csio; 3121 union ccb *ccb; 3122 int error; 3123 3124 ntoc = len; 3125 error = 0; 3126 3127 ccb = cdgetccb(periph, /* priority */ 1); 3128 3129 csio = &ccb->csio; 3130 3131 cam_fill_csio(csio, 3132 /* retries */ 1, 3133 /* cbfcnp */ cddone, 3134 /* flags */ CAM_DIR_IN, 3135 /* tag_action */ MSG_SIMPLE_Q_TAG, 3136 /* data_ptr */ data, 3137 /* dxfer_len */ len, 3138 /* sense_len */ SSD_FULL_SIZE, 3139 sizeof(struct scsi_read_toc), 3140 /* timeout */ 50000); 3141 3142 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3143 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3144 3145 if (mode == CD_MSF_FORMAT) 3146 scsi_cmd->byte2 |= CD_MSF; 3147 scsi_cmd->from_track = start; 3148 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3149 scsi_cmd->data_len[0] = (ntoc) >> 8; 3150 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3151 3152 scsi_cmd->op_code = READ_TOC; 3153 3154 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3155 /*sense_flags*/SF_RETRY_UA | sense_flags); 3156 3157 xpt_release_ccb(ccb); 3158 3159 return(error); 3160 } 3161 3162 static int 3163 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3164 u_int32_t format, int track, 3165 struct cd_sub_channel_info *data, u_int32_t len) 3166 { 3167 struct scsi_read_subchannel *scsi_cmd; 3168 struct ccb_scsiio *csio; 3169 union ccb *ccb; 3170 int error; 3171 3172 error = 0; 3173 3174 ccb = cdgetccb(periph, /* priority */ 1); 3175 3176 csio = &ccb->csio; 3177 3178 cam_fill_csio(csio, 3179 /* retries */ 1, 3180 /* cbfcnp */ cddone, 3181 /* flags */ CAM_DIR_IN, 3182 /* tag_action */ MSG_SIMPLE_Q_TAG, 3183 /* data_ptr */ (u_int8_t *)data, 3184 /* dxfer_len */ len, 3185 /* sense_len */ SSD_FULL_SIZE, 3186 sizeof(struct scsi_read_subchannel), 3187 /* timeout */ 50000); 3188 3189 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3190 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3191 3192 scsi_cmd->op_code = READ_SUBCHANNEL; 3193 if (mode == CD_MSF_FORMAT) 3194 scsi_cmd->byte1 |= CD_MSF; 3195 scsi_cmd->byte2 = SRS_SUBQ; 3196 scsi_cmd->subchan_format = format; 3197 scsi_cmd->track = track; 3198 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3199 scsi_cmd->control = 0; 3200 3201 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3202 /*sense_flags*/SF_RETRY_UA); 3203 3204 xpt_release_ccb(ccb); 3205 3206 return(error); 3207 } 3208 3209 3210 /* 3211 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3212 * routine. See comments in cd6byteworkaround() for details. 3213 */ 3214 static int 3215 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3216 u_int32_t page) 3217 { 3218 struct ccb_scsiio *csio; 3219 struct cd_softc *softc; 3220 union ccb *ccb; 3221 int param_len; 3222 int error; 3223 3224 softc = (struct cd_softc *)periph->softc; 3225 3226 ccb = cdgetccb(periph, /* priority */ 1); 3227 3228 csio = &ccb->csio; 3229 3230 data->cdb_size = softc->minimum_command_size; 3231 if (data->cdb_size < 10) 3232 param_len = sizeof(struct cd_mode_data); 3233 else 3234 param_len = sizeof(struct cd_mode_data_10); 3235 3236 /* Don't say we've got more room than we actually allocated */ 3237 param_len = min(param_len, data->alloc_len); 3238 3239 scsi_mode_sense_len(csio, 3240 /* retries */ 1, 3241 /* cbfcnp */ cddone, 3242 /* tag_action */ MSG_SIMPLE_Q_TAG, 3243 /* dbd */ 0, 3244 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3245 /* page */ page, 3246 /* param_buf */ data->mode_buf, 3247 /* param_len */ param_len, 3248 /* minimum_cmd_size */ softc->minimum_command_size, 3249 /* sense_len */ SSD_FULL_SIZE, 3250 /* timeout */ 50000); 3251 3252 /* 3253 * It would be nice not to have to do this, but there's no 3254 * available pointer in the CCB that would allow us to stuff the 3255 * mode params structure in there and retrieve it in 3256 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3257 * lets the caller know what CDB size we ended up using, so they 3258 * can find the actual mode page offset. 3259 */ 3260 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3261 3262 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3263 /*sense_flags*/SF_RETRY_UA); 3264 3265 xpt_release_ccb(ccb); 3266 3267 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3268 3269 /* 3270 * This is a bit of belt-and-suspenders checking, but if we run 3271 * into a situation where the target sends back multiple block 3272 * descriptors, we might not have enough space in the buffer to 3273 * see the whole mode page. Better to return an error than 3274 * potentially access memory beyond our malloced region. 3275 */ 3276 if (error == 0) { 3277 u_int32_t data_len; 3278 3279 if (data->cdb_size == 10) { 3280 struct scsi_mode_header_10 *hdr10; 3281 3282 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3283 data_len = scsi_2btoul(hdr10->data_length); 3284 data_len += sizeof(hdr10->data_length); 3285 } else { 3286 struct scsi_mode_header_6 *hdr6; 3287 3288 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3289 data_len = hdr6->data_length; 3290 data_len += sizeof(hdr6->data_length); 3291 } 3292 3293 /* 3294 * Complain if there is more mode data available than we 3295 * allocated space for. This could potentially happen if 3296 * we miscalculated the page length for some reason, if the 3297 * drive returns multiple block descriptors, or if it sets 3298 * the data length incorrectly. 3299 */ 3300 if (data_len > data->alloc_len) { 3301 xpt_print_path(periph->path); 3302 printf("allocated modepage %d length %d < returned " 3303 "length %d\n", page, data->alloc_len, data_len); 3304 3305 error = ENOSPC; 3306 } 3307 } 3308 return (error); 3309 } 3310 3311 /* 3312 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3313 * routine. See comments in cd6byteworkaround() for details. 3314 */ 3315 static int 3316 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3317 { 3318 struct ccb_scsiio *csio; 3319 struct cd_softc *softc; 3320 union ccb *ccb; 3321 int cdb_size, param_len; 3322 int error; 3323 3324 softc = (struct cd_softc *)periph->softc; 3325 3326 ccb = cdgetccb(periph, /* priority */ 1); 3327 3328 csio = &ccb->csio; 3329 3330 error = 0; 3331 3332 /* 3333 * If the data is formatted for the 10 byte version of the mode 3334 * select parameter list, we need to use the 10 byte CDB. 3335 * Otherwise, we use whatever the stored minimum command size. 3336 */ 3337 if (data->cdb_size == 10) 3338 cdb_size = data->cdb_size; 3339 else 3340 cdb_size = softc->minimum_command_size; 3341 3342 if (cdb_size >= 10) { 3343 struct scsi_mode_header_10 *mode_header; 3344 u_int32_t data_len; 3345 3346 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3347 3348 data_len = scsi_2btoul(mode_header->data_length); 3349 3350 scsi_ulto2b(0, mode_header->data_length); 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 * Pass back whatever the drive passed to us, plus the size 3360 * of the data length field. 3361 */ 3362 param_len = data_len + sizeof(mode_header->data_length); 3363 3364 } else { 3365 struct scsi_mode_header_6 *mode_header; 3366 3367 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3368 3369 param_len = mode_header->data_length + 1; 3370 3371 mode_header->data_length = 0; 3372 /* 3373 * SONY drives do not allow a mode select with a medium_type 3374 * value that has just been returned by a mode sense; use a 3375 * medium_type of 0 (Default) instead. 3376 */ 3377 mode_header->medium_type = 0; 3378 } 3379 3380 /* Don't say we've got more room than we actually allocated */ 3381 param_len = min(param_len, data->alloc_len); 3382 3383 scsi_mode_select_len(csio, 3384 /* retries */ 1, 3385 /* cbfcnp */ cddone, 3386 /* tag_action */ MSG_SIMPLE_Q_TAG, 3387 /* scsi_page_fmt */ 1, 3388 /* save_pages */ 0, 3389 /* param_buf */ data->mode_buf, 3390 /* param_len */ param_len, 3391 /* minimum_cmd_size */ cdb_size, 3392 /* sense_len */ SSD_FULL_SIZE, 3393 /* timeout */ 50000); 3394 3395 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3396 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3397 3398 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3399 /*sense_flags*/SF_RETRY_UA); 3400 3401 xpt_release_ccb(ccb); 3402 3403 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3404 3405 return (error); 3406 } 3407 3408 3409 static int 3410 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3411 { 3412 struct ccb_scsiio *csio; 3413 union ccb *ccb; 3414 int error; 3415 u_int8_t cdb_len; 3416 3417 error = 0; 3418 ccb = cdgetccb(periph, /* priority */ 1); 3419 csio = &ccb->csio; 3420 /* 3421 * Use the smallest possible command to perform the operation. 3422 */ 3423 if ((len & 0xffff0000) == 0) { 3424 /* 3425 * We can fit in a 10 byte cdb. 3426 */ 3427 struct scsi_play_10 *scsi_cmd; 3428 3429 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3430 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3431 scsi_cmd->op_code = PLAY_10; 3432 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3433 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3434 cdb_len = sizeof(*scsi_cmd); 3435 } else { 3436 struct scsi_play_12 *scsi_cmd; 3437 3438 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3439 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3440 scsi_cmd->op_code = PLAY_12; 3441 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3442 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3443 cdb_len = sizeof(*scsi_cmd); 3444 } 3445 cam_fill_csio(csio, 3446 /*retries*/2, 3447 cddone, 3448 /*flags*/CAM_DIR_NONE, 3449 MSG_SIMPLE_Q_TAG, 3450 /*dataptr*/NULL, 3451 /*datalen*/0, 3452 /*sense_len*/SSD_FULL_SIZE, 3453 cdb_len, 3454 /*timeout*/50 * 1000); 3455 3456 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3457 /*sense_flags*/SF_RETRY_UA); 3458 3459 xpt_release_ccb(ccb); 3460 3461 return(error); 3462 } 3463 3464 static int 3465 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3466 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3467 { 3468 struct scsi_play_msf *scsi_cmd; 3469 struct ccb_scsiio *csio; 3470 union ccb *ccb; 3471 int error; 3472 3473 error = 0; 3474 3475 ccb = cdgetccb(periph, /* priority */ 1); 3476 3477 csio = &ccb->csio; 3478 3479 cam_fill_csio(csio, 3480 /* retries */ 1, 3481 /* cbfcnp */ cddone, 3482 /* flags */ CAM_DIR_NONE, 3483 /* tag_action */ MSG_SIMPLE_Q_TAG, 3484 /* data_ptr */ NULL, 3485 /* dxfer_len */ 0, 3486 /* sense_len */ SSD_FULL_SIZE, 3487 sizeof(struct scsi_play_msf), 3488 /* timeout */ 50000); 3489 3490 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3491 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3492 3493 scsi_cmd->op_code = PLAY_MSF; 3494 scsi_cmd->start_m = startm; 3495 scsi_cmd->start_s = starts; 3496 scsi_cmd->start_f = startf; 3497 scsi_cmd->end_m = endm; 3498 scsi_cmd->end_s = ends; 3499 scsi_cmd->end_f = endf; 3500 3501 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3502 /*sense_flags*/SF_RETRY_UA); 3503 3504 xpt_release_ccb(ccb); 3505 3506 return(error); 3507 } 3508 3509 3510 static int 3511 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3512 u_int32_t etrack, u_int32_t eindex) 3513 { 3514 struct scsi_play_track *scsi_cmd; 3515 struct ccb_scsiio *csio; 3516 union ccb *ccb; 3517 int error; 3518 3519 error = 0; 3520 3521 ccb = cdgetccb(periph, /* priority */ 1); 3522 3523 csio = &ccb->csio; 3524 3525 cam_fill_csio(csio, 3526 /* retries */ 1, 3527 /* cbfcnp */ cddone, 3528 /* flags */ CAM_DIR_NONE, 3529 /* tag_action */ MSG_SIMPLE_Q_TAG, 3530 /* data_ptr */ NULL, 3531 /* dxfer_len */ 0, 3532 /* sense_len */ SSD_FULL_SIZE, 3533 sizeof(struct scsi_play_track), 3534 /* timeout */ 50000); 3535 3536 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3537 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3538 3539 scsi_cmd->op_code = PLAY_TRACK; 3540 scsi_cmd->start_track = strack; 3541 scsi_cmd->start_index = sindex; 3542 scsi_cmd->end_track = etrack; 3543 scsi_cmd->end_index = eindex; 3544 3545 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3546 /*sense_flags*/SF_RETRY_UA); 3547 3548 xpt_release_ccb(ccb); 3549 3550 return(error); 3551 } 3552 3553 static int 3554 cdpause(struct cam_periph *periph, u_int32_t go) 3555 { 3556 struct scsi_pause *scsi_cmd; 3557 struct ccb_scsiio *csio; 3558 union ccb *ccb; 3559 int error; 3560 3561 error = 0; 3562 3563 ccb = cdgetccb(periph, /* priority */ 1); 3564 3565 csio = &ccb->csio; 3566 3567 cam_fill_csio(csio, 3568 /* retries */ 1, 3569 /* cbfcnp */ cddone, 3570 /* flags */ CAM_DIR_NONE, 3571 /* tag_action */ MSG_SIMPLE_Q_TAG, 3572 /* data_ptr */ NULL, 3573 /* dxfer_len */ 0, 3574 /* sense_len */ SSD_FULL_SIZE, 3575 sizeof(struct scsi_pause), 3576 /* timeout */ 50000); 3577 3578 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3579 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3580 3581 scsi_cmd->op_code = PAUSE; 3582 scsi_cmd->resume = go; 3583 3584 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3585 /*sense_flags*/SF_RETRY_UA); 3586 3587 xpt_release_ccb(ccb); 3588 3589 return(error); 3590 } 3591 3592 static int 3593 cdstartunit(struct cam_periph *periph, int load) 3594 { 3595 union ccb *ccb; 3596 int error; 3597 3598 error = 0; 3599 3600 ccb = cdgetccb(periph, /* priority */ 1); 3601 3602 scsi_start_stop(&ccb->csio, 3603 /* retries */ 1, 3604 /* cbfcnp */ cddone, 3605 /* tag_action */ MSG_SIMPLE_Q_TAG, 3606 /* start */ TRUE, 3607 /* load_eject */ load, 3608 /* immediate */ FALSE, 3609 /* sense_len */ SSD_FULL_SIZE, 3610 /* timeout */ 50000); 3611 3612 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3613 /*sense_flags*/SF_RETRY_UA); 3614 3615 xpt_release_ccb(ccb); 3616 3617 return(error); 3618 } 3619 3620 static int 3621 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3622 { 3623 union ccb *ccb; 3624 int error; 3625 3626 error = 0; 3627 3628 ccb = cdgetccb(periph, /* priority */ 1); 3629 3630 scsi_start_stop(&ccb->csio, 3631 /* retries */ 1, 3632 /* cbfcnp */ cddone, 3633 /* tag_action */ MSG_SIMPLE_Q_TAG, 3634 /* start */ FALSE, 3635 /* load_eject */ eject, 3636 /* immediate */ FALSE, 3637 /* sense_len */ SSD_FULL_SIZE, 3638 /* timeout */ 50000); 3639 3640 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3641 /*sense_flags*/SF_RETRY_UA); 3642 3643 xpt_release_ccb(ccb); 3644 3645 return(error); 3646 } 3647 3648 static int 3649 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3650 { 3651 struct scsi_set_speed *scsi_cmd; 3652 struct ccb_scsiio *csio; 3653 union ccb *ccb; 3654 int error; 3655 3656 error = 0; 3657 ccb = cdgetccb(periph, /* priority */ 1); 3658 csio = &ccb->csio; 3659 3660 /* Preserve old behavior: units in multiples of CDROM speed */ 3661 if (rdspeed < 177) 3662 rdspeed *= 177; 3663 if (wrspeed < 177) 3664 wrspeed *= 177; 3665 3666 cam_fill_csio(csio, 3667 /* retries */ 1, 3668 /* cbfcnp */ cddone, 3669 /* flags */ CAM_DIR_NONE, 3670 /* tag_action */ MSG_SIMPLE_Q_TAG, 3671 /* data_ptr */ NULL, 3672 /* dxfer_len */ 0, 3673 /* sense_len */ SSD_FULL_SIZE, 3674 sizeof(struct scsi_set_speed), 3675 /* timeout */ 50000); 3676 3677 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3678 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3679 3680 scsi_cmd->opcode = SET_CD_SPEED; 3681 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3682 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3683 3684 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3685 /*sense_flags*/SF_RETRY_UA); 3686 3687 xpt_release_ccb(ccb); 3688 3689 return(error); 3690 } 3691 3692 static int 3693 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3694 { 3695 union ccb *ccb; 3696 u_int8_t *databuf; 3697 u_int32_t lba; 3698 int error; 3699 int length; 3700 3701 error = 0; 3702 databuf = NULL; 3703 lba = 0; 3704 3705 ccb = cdgetccb(periph, /* priority */ 1); 3706 3707 switch (authinfo->format) { 3708 case DVD_REPORT_AGID: 3709 length = sizeof(struct scsi_report_key_data_agid); 3710 break; 3711 case DVD_REPORT_CHALLENGE: 3712 length = sizeof(struct scsi_report_key_data_challenge); 3713 break; 3714 case DVD_REPORT_KEY1: 3715 length = sizeof(struct scsi_report_key_data_key1_key2); 3716 break; 3717 case DVD_REPORT_TITLE_KEY: 3718 length = sizeof(struct scsi_report_key_data_title); 3719 /* The lba field is only set for the title key */ 3720 lba = authinfo->lba; 3721 break; 3722 case DVD_REPORT_ASF: 3723 length = sizeof(struct scsi_report_key_data_asf); 3724 break; 3725 case DVD_REPORT_RPC: 3726 length = sizeof(struct scsi_report_key_data_rpc); 3727 break; 3728 case DVD_INVALIDATE_AGID: 3729 length = 0; 3730 break; 3731 default: 3732 error = EINVAL; 3733 goto bailout; 3734 break; /* NOTREACHED */ 3735 } 3736 3737 if (length != 0) { 3738 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3739 } else 3740 databuf = NULL; 3741 3742 3743 scsi_report_key(&ccb->csio, 3744 /* retries */ 1, 3745 /* cbfcnp */ cddone, 3746 /* tag_action */ MSG_SIMPLE_Q_TAG, 3747 /* lba */ lba, 3748 /* agid */ authinfo->agid, 3749 /* key_format */ authinfo->format, 3750 /* data_ptr */ databuf, 3751 /* dxfer_len */ length, 3752 /* sense_len */ SSD_FULL_SIZE, 3753 /* timeout */ 50000); 3754 3755 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3756 /*sense_flags*/SF_RETRY_UA); 3757 3758 if (error != 0) 3759 goto bailout; 3760 3761 if (ccb->csio.resid != 0) { 3762 xpt_print_path(periph->path); 3763 printf("warning, residual for report key command is %d\n", 3764 ccb->csio.resid); 3765 } 3766 3767 switch(authinfo->format) { 3768 case DVD_REPORT_AGID: { 3769 struct scsi_report_key_data_agid *agid_data; 3770 3771 agid_data = (struct scsi_report_key_data_agid *)databuf; 3772 3773 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3774 RKD_AGID_SHIFT; 3775 break; 3776 } 3777 case DVD_REPORT_CHALLENGE: { 3778 struct scsi_report_key_data_challenge *chal_data; 3779 3780 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3781 3782 bcopy(chal_data->challenge_key, authinfo->keychal, 3783 min(sizeof(chal_data->challenge_key), 3784 sizeof(authinfo->keychal))); 3785 break; 3786 } 3787 case DVD_REPORT_KEY1: { 3788 struct scsi_report_key_data_key1_key2 *key1_data; 3789 3790 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3791 3792 bcopy(key1_data->key1, authinfo->keychal, 3793 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3794 break; 3795 } 3796 case DVD_REPORT_TITLE_KEY: { 3797 struct scsi_report_key_data_title *title_data; 3798 3799 title_data = (struct scsi_report_key_data_title *)databuf; 3800 3801 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3802 RKD_TITLE_CPM_SHIFT; 3803 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3804 RKD_TITLE_CP_SEC_SHIFT; 3805 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3806 RKD_TITLE_CMGS_SHIFT; 3807 bcopy(title_data->title_key, authinfo->keychal, 3808 min(sizeof(title_data->title_key), 3809 sizeof(authinfo->keychal))); 3810 break; 3811 } 3812 case DVD_REPORT_ASF: { 3813 struct scsi_report_key_data_asf *asf_data; 3814 3815 asf_data = (struct scsi_report_key_data_asf *)databuf; 3816 3817 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3818 break; 3819 } 3820 case DVD_REPORT_RPC: { 3821 struct scsi_report_key_data_rpc *rpc_data; 3822 3823 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3824 3825 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3826 RKD_RPC_TYPE_SHIFT; 3827 authinfo->vend_rsts = 3828 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3829 RKD_RPC_VENDOR_RESET_SHIFT; 3830 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3831 authinfo->region = rpc_data->region_mask; 3832 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3833 break; 3834 } 3835 case DVD_INVALIDATE_AGID: 3836 break; 3837 default: 3838 /* This should be impossible, since we checked above */ 3839 error = EINVAL; 3840 goto bailout; 3841 break; /* NOTREACHED */ 3842 } 3843 bailout: 3844 if (databuf != NULL) 3845 free(databuf, M_DEVBUF); 3846 3847 xpt_release_ccb(ccb); 3848 3849 return(error); 3850 } 3851 3852 static int 3853 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3854 { 3855 union ccb *ccb; 3856 u_int8_t *databuf; 3857 int length; 3858 int error; 3859 3860 error = 0; 3861 databuf = NULL; 3862 3863 ccb = cdgetccb(periph, /* priority */ 1); 3864 3865 switch(authinfo->format) { 3866 case DVD_SEND_CHALLENGE: { 3867 struct scsi_report_key_data_challenge *challenge_data; 3868 3869 length = sizeof(*challenge_data); 3870 3871 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3872 3873 databuf = (u_int8_t *)challenge_data; 3874 3875 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3876 challenge_data->data_len); 3877 3878 bcopy(authinfo->keychal, challenge_data->challenge_key, 3879 min(sizeof(authinfo->keychal), 3880 sizeof(challenge_data->challenge_key))); 3881 break; 3882 } 3883 case DVD_SEND_KEY2: { 3884 struct scsi_report_key_data_key1_key2 *key2_data; 3885 3886 length = sizeof(*key2_data); 3887 3888 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3889 3890 databuf = (u_int8_t *)key2_data; 3891 3892 scsi_ulto2b(length - sizeof(key2_data->data_len), 3893 key2_data->data_len); 3894 3895 bcopy(authinfo->keychal, key2_data->key1, 3896 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3897 3898 break; 3899 } 3900 case DVD_SEND_RPC: { 3901 struct scsi_send_key_data_rpc *rpc_data; 3902 3903 length = sizeof(*rpc_data); 3904 3905 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3906 3907 databuf = (u_int8_t *)rpc_data; 3908 3909 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3910 rpc_data->data_len); 3911 3912 rpc_data->region_code = authinfo->region; 3913 break; 3914 } 3915 default: 3916 error = EINVAL; 3917 goto bailout; 3918 break; /* NOTREACHED */ 3919 } 3920 3921 scsi_send_key(&ccb->csio, 3922 /* retries */ 1, 3923 /* cbfcnp */ cddone, 3924 /* tag_action */ MSG_SIMPLE_Q_TAG, 3925 /* agid */ authinfo->agid, 3926 /* key_format */ authinfo->format, 3927 /* data_ptr */ databuf, 3928 /* dxfer_len */ length, 3929 /* sense_len */ SSD_FULL_SIZE, 3930 /* timeout */ 50000); 3931 3932 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3933 /*sense_flags*/SF_RETRY_UA); 3934 3935 bailout: 3936 3937 if (databuf != NULL) 3938 free(databuf, M_DEVBUF); 3939 3940 xpt_release_ccb(ccb); 3941 3942 return(error); 3943 } 3944 3945 static int 3946 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3947 { 3948 union ccb *ccb; 3949 u_int8_t *databuf; 3950 u_int32_t address; 3951 int error; 3952 int length; 3953 3954 error = 0; 3955 databuf = NULL; 3956 /* The address is reserved for many of the formats */ 3957 address = 0; 3958 3959 ccb = cdgetccb(periph, /* priority */ 1); 3960 3961 switch(dvdstruct->format) { 3962 case DVD_STRUCT_PHYSICAL: 3963 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3964 break; 3965 case DVD_STRUCT_COPYRIGHT: 3966 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3967 break; 3968 case DVD_STRUCT_DISCKEY: 3969 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3970 break; 3971 case DVD_STRUCT_BCA: 3972 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3973 break; 3974 case DVD_STRUCT_MANUFACT: 3975 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3976 break; 3977 case DVD_STRUCT_CMI: 3978 error = ENODEV; 3979 goto bailout; 3980 #ifdef notyet 3981 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3982 address = dvdstruct->address; 3983 #endif 3984 break; /* NOTREACHED */ 3985 case DVD_STRUCT_PROTDISCID: 3986 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3987 break; 3988 case DVD_STRUCT_DISCKEYBLOCK: 3989 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3990 break; 3991 case DVD_STRUCT_DDS: 3992 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3993 break; 3994 case DVD_STRUCT_MEDIUM_STAT: 3995 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3996 break; 3997 case DVD_STRUCT_SPARE_AREA: 3998 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3999 break; 4000 case DVD_STRUCT_RMD_LAST: 4001 error = ENODEV; 4002 goto bailout; 4003 #ifdef notyet 4004 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4005 address = dvdstruct->address; 4006 #endif 4007 break; /* NOTREACHED */ 4008 case DVD_STRUCT_RMD_RMA: 4009 error = ENODEV; 4010 goto bailout; 4011 #ifdef notyet 4012 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4013 address = dvdstruct->address; 4014 #endif 4015 break; /* NOTREACHED */ 4016 case DVD_STRUCT_PRERECORDED: 4017 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4018 break; 4019 case DVD_STRUCT_UNIQUEID: 4020 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4021 break; 4022 case DVD_STRUCT_DCB: 4023 error = ENODEV; 4024 goto bailout; 4025 #ifdef notyet 4026 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4027 address = dvdstruct->address; 4028 #endif 4029 break; /* NOTREACHED */ 4030 case DVD_STRUCT_LIST: 4031 /* 4032 * This is the maximum allocation length for the READ DVD 4033 * STRUCTURE command. There's nothing in the MMC3 spec 4034 * that indicates a limit in the amount of data that can 4035 * be returned from this call, other than the limits 4036 * imposed by the 2-byte length variables. 4037 */ 4038 length = 65535; 4039 break; 4040 default: 4041 error = EINVAL; 4042 goto bailout; 4043 break; /* NOTREACHED */ 4044 } 4045 4046 if (length != 0) { 4047 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4048 } else 4049 databuf = NULL; 4050 4051 scsi_read_dvd_structure(&ccb->csio, 4052 /* retries */ 1, 4053 /* cbfcnp */ cddone, 4054 /* tag_action */ MSG_SIMPLE_Q_TAG, 4055 /* lba */ address, 4056 /* layer_number */ dvdstruct->layer_num, 4057 /* key_format */ dvdstruct->format, 4058 /* agid */ dvdstruct->agid, 4059 /* data_ptr */ databuf, 4060 /* dxfer_len */ length, 4061 /* sense_len */ SSD_FULL_SIZE, 4062 /* timeout */ 50000); 4063 4064 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4065 /*sense_flags*/SF_RETRY_UA); 4066 4067 if (error != 0) 4068 goto bailout; 4069 4070 switch(dvdstruct->format) { 4071 case DVD_STRUCT_PHYSICAL: { 4072 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4073 struct dvd_layer *outlayer; 4074 struct scsi_read_dvd_struct_data_physical *phys_data; 4075 4076 phys_data = 4077 (struct scsi_read_dvd_struct_data_physical *)databuf; 4078 inlayer = &phys_data->layer_desc; 4079 outlayer = (struct dvd_layer *)&dvdstruct->data; 4080 4081 dvdstruct->length = sizeof(*inlayer); 4082 4083 outlayer->book_type = (inlayer->book_type_version & 4084 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4085 outlayer->book_version = (inlayer->book_type_version & 4086 RDSD_BOOK_VERSION_MASK); 4087 outlayer->disc_size = (inlayer->disc_size_max_rate & 4088 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4089 outlayer->max_rate = (inlayer->disc_size_max_rate & 4090 RDSD_MAX_RATE_MASK); 4091 outlayer->nlayers = (inlayer->layer_info & 4092 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4093 outlayer->track_path = (inlayer->layer_info & 4094 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4095 outlayer->layer_type = (inlayer->layer_info & 4096 RDSD_LAYER_TYPE_MASK); 4097 outlayer->linear_density = (inlayer->density & 4098 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4099 outlayer->track_density = (inlayer->density & 4100 RDSD_TRACK_DENSITY_MASK); 4101 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4102 RDSD_BCA_SHIFT; 4103 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4104 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4105 outlayer->end_sector_l0 = 4106 scsi_3btoul(inlayer->end_sector_layer0); 4107 break; 4108 } 4109 case DVD_STRUCT_COPYRIGHT: { 4110 struct scsi_read_dvd_struct_data_copyright *copy_data; 4111 4112 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4113 databuf; 4114 4115 dvdstruct->cpst = copy_data->cps_type; 4116 dvdstruct->rmi = copy_data->region_info; 4117 dvdstruct->length = 0; 4118 4119 break; 4120 } 4121 default: 4122 /* 4123 * Tell the user what the overall length is, no matter 4124 * what we can actually fit in the data buffer. 4125 */ 4126 dvdstruct->length = length - ccb->csio.resid - 4127 sizeof(struct scsi_read_dvd_struct_data_header); 4128 4129 /* 4130 * But only actually copy out the smaller of what we read 4131 * in or what the structure can take. 4132 */ 4133 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4134 dvdstruct->data, 4135 min(sizeof(dvdstruct->data), dvdstruct->length)); 4136 break; 4137 } 4138 bailout: 4139 4140 if (databuf != NULL) 4141 free(databuf, M_DEVBUF); 4142 4143 xpt_release_ccb(ccb); 4144 4145 return(error); 4146 } 4147 4148 void 4149 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4150 void (*cbfcnp)(struct cam_periph *, union ccb *), 4151 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4152 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4153 u_int8_t sense_len, u_int32_t timeout) 4154 { 4155 struct scsi_report_key *scsi_cmd; 4156 4157 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4158 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4159 scsi_cmd->opcode = REPORT_KEY; 4160 scsi_ulto4b(lba, scsi_cmd->lba); 4161 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4162 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4163 (key_format & RK_KF_KEYFORMAT_MASK); 4164 4165 cam_fill_csio(csio, 4166 retries, 4167 cbfcnp, 4168 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4169 tag_action, 4170 /*data_ptr*/ data_ptr, 4171 /*dxfer_len*/ dxfer_len, 4172 sense_len, 4173 sizeof(*scsi_cmd), 4174 timeout); 4175 } 4176 4177 void 4178 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4179 void (*cbfcnp)(struct cam_periph *, union ccb *), 4180 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4181 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4182 u_int32_t timeout) 4183 { 4184 struct scsi_send_key *scsi_cmd; 4185 4186 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4187 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4188 scsi_cmd->opcode = SEND_KEY; 4189 4190 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4191 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4192 (key_format & RK_KF_KEYFORMAT_MASK); 4193 4194 cam_fill_csio(csio, 4195 retries, 4196 cbfcnp, 4197 /*flags*/ CAM_DIR_OUT, 4198 tag_action, 4199 /*data_ptr*/ data_ptr, 4200 /*dxfer_len*/ dxfer_len, 4201 sense_len, 4202 sizeof(*scsi_cmd), 4203 timeout); 4204 } 4205 4206 4207 void 4208 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4209 void (*cbfcnp)(struct cam_periph *, union ccb *), 4210 u_int8_t tag_action, u_int32_t address, 4211 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4212 u_int8_t *data_ptr, u_int32_t dxfer_len, 4213 u_int8_t sense_len, u_int32_t timeout) 4214 { 4215 struct scsi_read_dvd_structure *scsi_cmd; 4216 4217 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4218 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4219 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4220 4221 scsi_ulto4b(address, scsi_cmd->address); 4222 scsi_cmd->layer_number = layer_number; 4223 scsi_cmd->format = format; 4224 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4225 /* The AGID is the top two bits of this byte */ 4226 scsi_cmd->agid = agid << 6; 4227 4228 cam_fill_csio(csio, 4229 retries, 4230 cbfcnp, 4231 /*flags*/ CAM_DIR_IN, 4232 tag_action, 4233 /*data_ptr*/ data_ptr, 4234 /*dxfer_len*/ dxfer_len, 4235 sense_len, 4236 sizeof(*scsi_cmd), 4237 timeout); 4238 }
Cache object: 6f6dd3c7d093173523da16f66845c815
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]