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 static void 333 cdinit(void) 334 { 335 cam_status status; 336 struct cam_path *path; 337 338 /* 339 * Install a global async callback. This callback will 340 * receive async callbacks like "new device found". 341 */ 342 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 344 345 if (status == CAM_REQ_CMP) { 346 struct ccb_setasync csa; 347 348 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 349 csa.ccb_h.func_code = XPT_SASYNC_CB; 350 csa.event_enable = AC_FOUND_DEVICE; 351 csa.callback = cdasync; 352 csa.callback_arg = NULL; 353 xpt_action((union ccb *)&csa); 354 status = csa.ccb_h.status; 355 xpt_free_path(path); 356 } 357 358 if (status != CAM_REQ_CMP) { 359 printf("cd: Failed to attach master async callback " 360 "due to status 0x%x!\n", status); 361 } 362 } 363 364 static void 365 cdoninvalidate(struct cam_periph *periph) 366 { 367 int s; 368 struct cd_softc *softc; 369 struct ccb_setasync csa; 370 371 softc = (struct cd_softc *)periph->softc; 372 373 /* 374 * De-register any async callbacks. 375 */ 376 xpt_setup_ccb(&csa.ccb_h, periph->path, 377 /* priority */ 5); 378 csa.ccb_h.func_code = XPT_SASYNC_CB; 379 csa.event_enable = 0; 380 csa.callback = cdasync; 381 csa.callback_arg = periph; 382 xpt_action((union ccb *)&csa); 383 384 softc->flags |= CD_FLAG_INVALID; 385 386 /* 387 * Although the oninvalidate() routines are always called at 388 * splsoftcam, we need to be at splbio() here to keep the buffer 389 * queue from being modified while we traverse it. 390 */ 391 s = splbio(); 392 393 /* 394 * Return all queued I/O with ENXIO. 395 * XXX Handle any transactions queued to the card 396 * with XPT_ABORT_CCB. 397 */ 398 bioq_flush(&softc->bio_queue, NULL, ENXIO); 399 splx(s); 400 401 /* 402 * If this device is part of a changer, and it was scheduled 403 * to run, remove it from the run queue since we just nuked 404 * all of its scheduled I/O. 405 */ 406 if ((softc->flags & CD_FLAG_CHANGER) 407 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 408 camq_remove(&softc->changer->devq, softc->pinfo.index); 409 410 xpt_print_path(periph->path); 411 printf("lost device\n"); 412 } 413 414 static void 415 cdcleanup(struct cam_periph *periph) 416 { 417 struct cd_softc *softc; 418 int s; 419 420 softc = (struct cd_softc *)periph->softc; 421 422 xpt_print_path(periph->path); 423 printf("removing device entry\n"); 424 425 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 426 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 427 xpt_print_path(periph->path); 428 printf("can't remove sysctl context\n"); 429 } 430 431 s = splsoftcam(); 432 /* 433 * In the queued, non-active case, the device in question 434 * has already been removed from the changer run queue. Since this 435 * device is active, we need to de-activate it, and schedule 436 * another device to run. (if there is another one to run) 437 */ 438 if ((softc->flags & CD_FLAG_CHANGER) 439 && (softc->flags & CD_FLAG_ACTIVE)) { 440 441 /* 442 * The purpose of the short timeout is soley to determine 443 * whether the current device has finished or not. Well, 444 * since we're removing the active device, we know that it 445 * is finished. So, get rid of the short timeout. 446 * Otherwise, if we're in the time period before the short 447 * timeout fires, and there are no other devices in the 448 * queue to run, there won't be any other device put in the 449 * active slot. i.e., when we call cdrunchangerqueue() 450 * below, it won't do anything. Then, when the short 451 * timeout fires, it'll look at the "current device", which 452 * we are free below, and possibly panic the kernel on a 453 * bogus pointer reference. 454 * 455 * The long timeout doesn't really matter, since we 456 * decrement the qfrozen_cnt to indicate that there is 457 * nothing in the active slot now. Therefore, there won't 458 * be any bogus pointer references there. 459 */ 460 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 461 untimeout(cdshorttimeout, softc->changer, 462 softc->changer->short_handle); 463 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 464 } 465 softc->changer->devq.qfrozen_cnt--; 466 softc->changer->flags |= CHANGER_MANUAL_CALL; 467 cdrunchangerqueue(softc->changer); 468 } 469 470 /* 471 * If we're removing the last device on the changer, go ahead and 472 * remove the changer device structure. 473 */ 474 if ((softc->flags & CD_FLAG_CHANGER) 475 && (--softc->changer->num_devices == 0)) { 476 477 /* 478 * Theoretically, there shouldn't be any timeouts left, but 479 * I'm not completely sure that that will be the case. So, 480 * it won't hurt to check and see if there are any left. 481 */ 482 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 483 untimeout(cdrunchangerqueue, softc->changer, 484 softc->changer->long_handle); 485 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 486 } 487 488 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 489 untimeout(cdshorttimeout, softc->changer, 490 softc->changer->short_handle); 491 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 492 } 493 494 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 495 changer_links); 496 xpt_print_path(periph->path); 497 printf("removing changer entry\n"); 498 free(softc->changer, M_DEVBUF); 499 num_changers--; 500 } 501 disk_destroy(softc->disk); 502 free(softc, M_DEVBUF); 503 splx(s); 504 } 505 506 static void 507 cdasync(void *callback_arg, u_int32_t code, 508 struct cam_path *path, void *arg) 509 { 510 struct cam_periph *periph; 511 512 periph = (struct cam_periph *)callback_arg; 513 switch (code) { 514 case AC_FOUND_DEVICE: 515 { 516 struct ccb_getdev *cgd; 517 cam_status status; 518 519 cgd = (struct ccb_getdev *)arg; 520 if (cgd == NULL) 521 break; 522 523 if (SID_TYPE(&cgd->inq_data) != T_CDROM 524 && SID_TYPE(&cgd->inq_data) != T_WORM) 525 break; 526 527 /* 528 * Allocate a peripheral instance for 529 * this device and start the probe 530 * process. 531 */ 532 status = cam_periph_alloc(cdregister, cdoninvalidate, 533 cdcleanup, cdstart, 534 "cd", CAM_PERIPH_BIO, 535 cgd->ccb_h.path, cdasync, 536 AC_FOUND_DEVICE, cgd); 537 538 if (status != CAM_REQ_CMP 539 && status != CAM_REQ_INPROG) 540 printf("cdasync: Unable to attach new device " 541 "due to status 0x%x\n", status); 542 543 break; 544 } 545 case AC_SENT_BDR: 546 case AC_BUS_RESET: 547 { 548 struct cd_softc *softc; 549 struct ccb_hdr *ccbh; 550 int s; 551 552 softc = (struct cd_softc *)periph->softc; 553 s = splsoftcam(); 554 /* 555 * Don't fail on the expected unit attention 556 * that will occur. 557 */ 558 softc->flags |= CD_FLAG_RETRY_UA; 559 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 560 ccbh->ccb_state |= CD_CCB_RETRY_UA; 561 splx(s); 562 /* FALLTHROUGH */ 563 } 564 default: 565 cam_periph_async(periph, code, path, arg); 566 break; 567 } 568 } 569 570 static void 571 cdsysctlinit(void *context, int pending) 572 { 573 struct cam_periph *periph; 574 struct cd_softc *softc; 575 char tmpstr[80], tmpstr2[80]; 576 577 periph = (struct cam_periph *)context; 578 softc = (struct cd_softc *)periph->softc; 579 580 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 581 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 582 583 mtx_lock(&Giant); 584 585 sysctl_ctx_init(&softc->sysctl_ctx); 586 softc->flags |= CD_FLAG_SCTX_INIT; 587 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 588 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 589 tmpstr2, CTLFLAG_RD, 0, tmpstr); 590 591 if (softc->sysctl_tree == NULL) { 592 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 593 return; 594 } 595 596 /* 597 * Now register the sysctl handler, so the user can the value on 598 * the fly. 599 */ 600 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 601 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 602 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 603 "Minimum CDB size"); 604 605 mtx_unlock(&Giant); 606 } 607 608 /* 609 * We have a handler function for this so we can check the values when the 610 * user sets them, instead of every time we look at them. 611 */ 612 static int 613 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 614 { 615 int error, value; 616 617 value = *(int *)arg1; 618 619 error = sysctl_handle_int(oidp, &value, 0, req); 620 621 if ((error != 0) 622 || (req->newptr == NULL)) 623 return (error); 624 625 /* 626 * The only real values we can have here are 6 or 10. I don't 627 * really forsee having 12 be an option at any time in the future. 628 * So if the user sets something less than or equal to 6, we'll set 629 * it to 6. If he sets something greater than 6, we'll set it to 10. 630 * 631 * I suppose we could just return an error here for the wrong values, 632 * but I don't think it's necessary to do so, as long as we can 633 * determine the user's intent without too much trouble. 634 */ 635 if (value < 6) 636 value = 6; 637 else if (value > 6) 638 value = 10; 639 640 *(int *)arg1 = value; 641 642 return (0); 643 } 644 645 static cam_status 646 cdregister(struct cam_periph *periph, void *arg) 647 { 648 struct cd_softc *softc; 649 struct ccb_setasync csa; 650 struct ccb_pathinq cpi; 651 struct ccb_getdev *cgd; 652 char tmpstr[80]; 653 caddr_t match; 654 655 cgd = (struct ccb_getdev *)arg; 656 if (periph == NULL) { 657 printf("cdregister: periph was NULL!!\n"); 658 return(CAM_REQ_CMP_ERR); 659 } 660 if (cgd == NULL) { 661 printf("cdregister: no getdev CCB, can't register device\n"); 662 return(CAM_REQ_CMP_ERR); 663 } 664 665 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 666 667 if (softc == NULL) { 668 printf("cdregister: Unable to probe new device. " 669 "Unable to allocate softc\n"); 670 return(CAM_REQ_CMP_ERR); 671 } 672 673 bzero(softc, sizeof(*softc)); 674 LIST_INIT(&softc->pending_ccbs); 675 STAILQ_INIT(&softc->mode_queue); 676 softc->state = CD_STATE_PROBE; 677 bioq_init(&softc->bio_queue); 678 if (SID_IS_REMOVABLE(&cgd->inq_data)) 679 softc->flags |= CD_FLAG_DISC_REMOVABLE; 680 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 681 softc->flags |= CD_FLAG_TAGGED_QUEUING; 682 683 periph->softc = softc; 684 softc->periph = periph; 685 686 /* 687 * See if this device has any quirks. 688 */ 689 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 690 (caddr_t)cd_quirk_table, 691 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 692 sizeof(*cd_quirk_table), scsi_inquiry_match); 693 694 if (match != NULL) 695 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 696 else 697 softc->quirks = CD_Q_NONE; 698 699 /* Check if the SIM does not want 6 byte commands */ 700 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 701 cpi.ccb_h.func_code = XPT_PATH_INQ; 702 xpt_action((union ccb *)&cpi); 703 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 704 softc->quirks |= CD_Q_10_BYTE_ONLY; 705 706 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 707 708 /* The default is 6 byte commands, unless quirked otherwise */ 709 if (softc->quirks & CD_Q_10_BYTE_ONLY) 710 softc->minimum_command_size = 10; 711 else 712 softc->minimum_command_size = 6; 713 714 /* 715 * Load the user's default, if any. 716 */ 717 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 718 periph->unit_number); 719 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 720 721 /* 6 and 10 are the only permissible values here. */ 722 if (softc->minimum_command_size < 6) 723 softc->minimum_command_size = 6; 724 else if (softc->minimum_command_size > 6) 725 softc->minimum_command_size = 10; 726 727 /* 728 * We need to register the statistics structure for this device, 729 * but we don't have the blocksize yet for it. So, we register 730 * the structure and indicate that we don't have the blocksize 731 * yet. Unlike other SCSI peripheral drivers, we explicitly set 732 * the device type here to be CDROM, rather than just ORing in 733 * the device type. This is because this driver can attach to either 734 * CDROM or WORM devices, and we want this peripheral driver to 735 * show up in the devstat list as a CD peripheral driver, not a 736 * WORM peripheral driver. WORM drives will also have the WORM 737 * driver attached to them. 738 */ 739 softc->disk = disk_alloc(); 740 softc->disk->d_devstat = devstat_new_entry("cd", 741 periph->unit_number, 0, 742 DEVSTAT_BS_UNAVAILABLE, 743 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 744 DEVSTAT_PRIORITY_CD); 745 softc->disk->d_open = cdopen; 746 softc->disk->d_close = cdclose; 747 softc->disk->d_strategy = cdstrategy; 748 softc->disk->d_ioctl = cdioctl; 749 softc->disk->d_name = "cd"; 750 softc->disk->d_unit = periph->unit_number; 751 softc->disk->d_drv1 = periph; 752 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 753 disk_create(softc->disk, DISK_VERSION); 754 755 /* 756 * Add an async callback so that we get 757 * notified if this device goes away. 758 */ 759 xpt_setup_ccb(&csa.ccb_h, periph->path, 760 /* priority */ 5); 761 csa.ccb_h.func_code = XPT_SASYNC_CB; 762 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 763 csa.callback = cdasync; 764 csa.callback_arg = periph; 765 xpt_action((union ccb *)&csa); 766 767 /* 768 * If the target lun is greater than 0, we most likely have a CD 769 * changer device. Check the quirk entries as well, though, just 770 * in case someone has a CD tower with one lun per drive or 771 * something like that. Also, if we know up front that a 772 * particular device is a changer, we can mark it as such starting 773 * with lun 0, instead of lun 1. It shouldn't be necessary to have 774 * a quirk entry to define something as a changer, however. 775 */ 776 if (((cgd->ccb_h.target_lun > 0) 777 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 778 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 779 struct cdchanger *nchanger; 780 struct cam_periph *nperiph; 781 struct cam_path *path; 782 cam_status status; 783 int found; 784 785 /* Set the changer flag in the current device's softc */ 786 softc->flags |= CD_FLAG_CHANGER; 787 788 if (num_changers == 0) 789 STAILQ_INIT(&changerq); 790 791 /* 792 * Now, look around for an existing changer device with the 793 * same path and target ID as the current device. 794 */ 795 for (found = 0, 796 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 797 nchanger != NULL; 798 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 799 if ((nchanger->path_id == cgd->ccb_h.path_id) 800 && (nchanger->target_id == cgd->ccb_h.target_id)) { 801 found = 1; 802 break; 803 } 804 } 805 806 /* 807 * If we found a matching entry, just add this device to 808 * the list of devices on this changer. 809 */ 810 if (found == 1) { 811 struct chdevlist *chlunhead; 812 813 chlunhead = &nchanger->chluns; 814 815 /* 816 * XXX KDM look at consolidating this code with the 817 * code below in a separate function. 818 */ 819 820 /* 821 * Create a path with lun id 0, and see if we can 822 * find a matching device 823 */ 824 status = xpt_create_path(&path, /*periph*/ periph, 825 cgd->ccb_h.path_id, 826 cgd->ccb_h.target_id, 0); 827 828 if ((status == CAM_REQ_CMP) 829 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 830 struct cd_softc *nsoftc; 831 832 nsoftc = (struct cd_softc *)nperiph->softc; 833 834 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 835 nsoftc->flags |= CD_FLAG_CHANGER; 836 nchanger->num_devices++; 837 if (camq_resize(&nchanger->devq, 838 nchanger->num_devices)!=CAM_REQ_CMP){ 839 printf("cdregister: " 840 "camq_resize " 841 "failed, changer " 842 "support may " 843 "be messed up\n"); 844 } 845 nsoftc->changer = nchanger; 846 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 847 848 STAILQ_INSERT_TAIL(&nchanger->chluns, 849 nsoftc,changer_links); 850 } 851 xpt_free_path(path); 852 } else if (status == CAM_REQ_CMP) 853 xpt_free_path(path); 854 else { 855 printf("cdregister: unable to allocate path\n" 856 "cdregister: changer support may be " 857 "broken\n"); 858 } 859 860 nchanger->num_devices++; 861 862 softc->changer = nchanger; 863 softc->pinfo.index = CAM_UNQUEUED_INDEX; 864 865 if (camq_resize(&nchanger->devq, 866 nchanger->num_devices) != CAM_REQ_CMP) { 867 printf("cdregister: camq_resize " 868 "failed, changer support may " 869 "be messed up\n"); 870 } 871 872 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 873 } 874 /* 875 * In this case, we don't already have an entry for this 876 * particular changer, so we need to create one, add it to 877 * the queue, and queue this device on the list for this 878 * changer. Before we queue this device, however, we need 879 * to search for lun id 0 on this target, and add it to the 880 * queue first, if it exists. (and if it hasn't already 881 * been marked as part of the changer.) 882 */ 883 else { 884 nchanger = malloc(sizeof(struct cdchanger), 885 M_DEVBUF, M_NOWAIT); 886 887 if (nchanger == NULL) { 888 softc->flags &= ~CD_FLAG_CHANGER; 889 printf("cdregister: unable to malloc " 890 "changer structure\ncdregister: " 891 "changer support disabled\n"); 892 893 /* 894 * Yes, gotos can be gross but in this case 895 * I think it's justified.. 896 */ 897 goto cdregisterexit; 898 } 899 900 /* zero the structure */ 901 bzero(nchanger, sizeof(struct cdchanger)); 902 903 if (camq_init(&nchanger->devq, 1) != 0) { 904 softc->flags &= ~CD_FLAG_CHANGER; 905 printf("cdregister: changer support " 906 "disabled\n"); 907 goto cdregisterexit; 908 } 909 910 num_changers++; 911 912 nchanger->path_id = cgd->ccb_h.path_id; 913 nchanger->target_id = cgd->ccb_h.target_id; 914 915 /* this is superfluous, but it makes things clearer */ 916 nchanger->num_devices = 0; 917 918 STAILQ_INIT(&nchanger->chluns); 919 920 STAILQ_INSERT_TAIL(&changerq, nchanger, 921 changer_links); 922 923 /* 924 * Create a path with lun id 0, and see if we can 925 * find a matching device 926 */ 927 status = xpt_create_path(&path, /*periph*/ periph, 928 cgd->ccb_h.path_id, 929 cgd->ccb_h.target_id, 0); 930 931 /* 932 * If we were able to allocate the path, and if we 933 * find a matching device and it isn't already 934 * marked as part of a changer, then we add it to 935 * the current changer. 936 */ 937 if ((status == CAM_REQ_CMP) 938 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 939 && ((((struct cd_softc *)periph->softc)->flags & 940 CD_FLAG_CHANGER) == 0)) { 941 struct cd_softc *nsoftc; 942 943 nsoftc = (struct cd_softc *)nperiph->softc; 944 945 nsoftc->flags |= CD_FLAG_CHANGER; 946 nchanger->num_devices++; 947 if (camq_resize(&nchanger->devq, 948 nchanger->num_devices) != CAM_REQ_CMP) { 949 printf("cdregister: camq_resize " 950 "failed, changer support may " 951 "be messed up\n"); 952 } 953 nsoftc->changer = nchanger; 954 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 955 956 STAILQ_INSERT_TAIL(&nchanger->chluns, 957 nsoftc, changer_links); 958 xpt_free_path(path); 959 } else if (status == CAM_REQ_CMP) 960 xpt_free_path(path); 961 else { 962 printf("cdregister: unable to allocate path\n" 963 "cdregister: changer support may be " 964 "broken\n"); 965 } 966 967 softc->changer = nchanger; 968 softc->pinfo.index = CAM_UNQUEUED_INDEX; 969 nchanger->num_devices++; 970 if (camq_resize(&nchanger->devq, 971 nchanger->num_devices) != CAM_REQ_CMP) { 972 printf("cdregister: camq_resize " 973 "failed, changer support may " 974 "be messed up\n"); 975 } 976 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 977 changer_links); 978 } 979 } 980 981 cdregisterexit: 982 983 /* Lock this peripheral until we are setup */ 984 /* Can't block */ 985 cam_periph_lock(periph, PRIBIO); 986 987 if ((softc->flags & CD_FLAG_CHANGER) == 0) 988 xpt_schedule(periph, /*priority*/5); 989 else 990 cdschedule(periph, /*priority*/ 5); 991 992 return(CAM_REQ_CMP); 993 } 994 995 static int 996 cdopen(struct disk *dp) 997 { 998 struct cam_periph *periph; 999 struct cd_softc *softc; 1000 int error; 1001 int s; 1002 1003 periph = (struct cam_periph *)dp->d_drv1; 1004 if (periph == NULL) 1005 return (ENXIO); 1006 1007 softc = (struct cd_softc *)periph->softc; 1008 1009 /* 1010 * Grab splsoftcam and hold it until we lock the peripheral. 1011 */ 1012 s = splsoftcam(); 1013 if (softc->flags & CD_FLAG_INVALID) { 1014 splx(s); 1015 return(ENXIO); 1016 } 1017 1018 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1019 splx(s); 1020 return (error); 1021 } 1022 1023 splx(s); 1024 1025 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1026 return(ENXIO); 1027 1028 /* 1029 * Check for media, and set the appropriate flags. We don't bail 1030 * if we don't have media, but then we don't allow anything but the 1031 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1032 */ 1033 cdcheckmedia(periph); 1034 1035 cam_periph_unlock(periph); 1036 1037 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1038 1039 return (error); 1040 } 1041 1042 static int 1043 cdclose(struct disk *dp) 1044 { 1045 struct cam_periph *periph; 1046 struct cd_softc *softc; 1047 int error; 1048 1049 periph = (struct cam_periph *)dp->d_drv1; 1050 if (periph == NULL) 1051 return (ENXIO); 1052 1053 softc = (struct cd_softc *)periph->softc; 1054 1055 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1056 return (error); 1057 1058 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1059 cdprevent(periph, PR_ALLOW); 1060 1061 /* 1062 * Since we're closing this CD, mark the blocksize as unavailable. 1063 * It will be marked as available when the CD is opened again. 1064 */ 1065 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1066 1067 /* 1068 * We'll check the media and toc again at the next open(). 1069 */ 1070 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1071 1072 cam_periph_unlock(periph); 1073 cam_periph_release(periph); 1074 1075 return (0); 1076 } 1077 1078 static void 1079 cdshorttimeout(void *arg) 1080 { 1081 struct cdchanger *changer; 1082 int s; 1083 1084 s = splsoftcam(); 1085 1086 changer = (struct cdchanger *)arg; 1087 1088 /* Always clear the short timeout flag, since that's what we're in */ 1089 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1090 1091 /* 1092 * Check to see if there is any more pending or outstanding I/O for 1093 * this device. If not, move it out of the active slot. 1094 */ 1095 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1096 && (changer->cur_device->outstanding_cmds == 0)) { 1097 changer->flags |= CHANGER_MANUAL_CALL; 1098 cdrunchangerqueue(changer); 1099 } 1100 1101 splx(s); 1102 } 1103 1104 /* 1105 * This is a wrapper for xpt_schedule. It only applies to changers. 1106 */ 1107 static void 1108 cdschedule(struct cam_periph *periph, int priority) 1109 { 1110 struct cd_softc *softc; 1111 int s; 1112 1113 s = splsoftcam(); 1114 1115 softc = (struct cd_softc *)periph->softc; 1116 1117 /* 1118 * If this device isn't currently queued, and if it isn't 1119 * the active device, then we queue this device and run the 1120 * changer queue if there is no timeout scheduled to do it. 1121 * If this device is the active device, just schedule it 1122 * to run again. If this device is queued, there should be 1123 * a timeout in place already that will make sure it runs. 1124 */ 1125 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1126 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1127 /* 1128 * We don't do anything with the priority here. 1129 * This is strictly a fifo queue. 1130 */ 1131 softc->pinfo.priority = 1; 1132 softc->pinfo.generation = ++softc->changer->devq.generation; 1133 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1134 1135 /* 1136 * Since we just put a device in the changer queue, 1137 * check and see if there is a timeout scheduled for 1138 * this changer. If so, let the timeout handle 1139 * switching this device into the active slot. If 1140 * not, manually call the timeout routine to 1141 * bootstrap things. 1142 */ 1143 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1144 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1145 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1146 softc->changer->flags |= CHANGER_MANUAL_CALL; 1147 cdrunchangerqueue(softc->changer); 1148 } 1149 } else if ((softc->flags & CD_FLAG_ACTIVE) 1150 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1151 xpt_schedule(periph, priority); 1152 1153 splx(s); 1154 1155 } 1156 1157 static void 1158 cdrunchangerqueue(void *arg) 1159 { 1160 struct cd_softc *softc; 1161 struct cdchanger *changer; 1162 int called_from_timeout; 1163 int s; 1164 1165 s = splsoftcam(); 1166 1167 changer = (struct cdchanger *)arg; 1168 1169 /* 1170 * If we have NOT been called from cdstrategy() or cddone(), and 1171 * instead from a timeout routine, go ahead and clear the 1172 * timeout flag. 1173 */ 1174 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1175 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1176 called_from_timeout = 1; 1177 } else 1178 called_from_timeout = 0; 1179 1180 /* Always clear the manual call flag */ 1181 changer->flags &= ~CHANGER_MANUAL_CALL; 1182 1183 /* nothing to do if the queue is empty */ 1184 if (changer->devq.entries <= 0) { 1185 splx(s); 1186 return; 1187 } 1188 1189 /* 1190 * If the changer queue is frozen, that means we have an active 1191 * device. 1192 */ 1193 if (changer->devq.qfrozen_cnt > 0) { 1194 1195 if (changer->cur_device->outstanding_cmds > 0) { 1196 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1197 changer->cur_device->bufs_left = 1198 changer->cur_device->outstanding_cmds; 1199 if (called_from_timeout) { 1200 changer->long_handle = 1201 timeout(cdrunchangerqueue, changer, 1202 changer_max_busy_seconds * hz); 1203 changer->flags |= CHANGER_TIMEOUT_SCHED; 1204 } 1205 splx(s); 1206 return; 1207 } 1208 1209 /* 1210 * We always need to reset the frozen count and clear the 1211 * active flag. 1212 */ 1213 changer->devq.qfrozen_cnt--; 1214 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1215 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1216 1217 /* 1218 * Check to see whether the current device has any I/O left 1219 * to do. If so, requeue it at the end of the queue. If 1220 * not, there is no need to requeue it. 1221 */ 1222 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1223 1224 changer->cur_device->pinfo.generation = 1225 ++changer->devq.generation; 1226 camq_insert(&changer->devq, 1227 (cam_pinfo *)changer->cur_device); 1228 } 1229 } 1230 1231 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1232 1233 changer->cur_device = softc; 1234 1235 changer->devq.qfrozen_cnt++; 1236 softc->flags |= CD_FLAG_ACTIVE; 1237 1238 /* Just in case this device is waiting */ 1239 wakeup(&softc->changer); 1240 xpt_schedule(softc->periph, /*priority*/ 1); 1241 1242 /* 1243 * Get rid of any pending timeouts, and set a flag to schedule new 1244 * ones so this device gets its full time quantum. 1245 */ 1246 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1247 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1248 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1249 } 1250 1251 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1252 untimeout(cdshorttimeout, changer, changer->short_handle); 1253 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1254 } 1255 1256 /* 1257 * We need to schedule timeouts, but we only do this after the 1258 * first transaction has completed. This eliminates the changer 1259 * switch time. 1260 */ 1261 changer->flags |= CHANGER_NEED_TIMEOUT; 1262 1263 splx(s); 1264 } 1265 1266 static void 1267 cdchangerschedule(struct cd_softc *softc) 1268 { 1269 struct cdchanger *changer; 1270 int s; 1271 1272 s = splsoftcam(); 1273 1274 changer = softc->changer; 1275 1276 /* 1277 * If this is a changer, and this is the current device, 1278 * and this device has at least the minimum time quantum to 1279 * run, see if we can switch it out. 1280 */ 1281 if ((softc->flags & CD_FLAG_ACTIVE) 1282 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1283 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1284 /* 1285 * We try three things here. The first is that we 1286 * check to see whether the schedule on completion 1287 * flag is set. If it is, we decrement the number 1288 * of buffers left, and if it's zero, we reschedule. 1289 * Next, we check to see whether the pending buffer 1290 * queue is empty and whether there are no 1291 * outstanding transactions. If so, we reschedule. 1292 * Next, we see if the pending buffer queue is empty. 1293 * If it is, we set the number of buffers left to 1294 * the current active buffer count and set the 1295 * schedule on complete flag. 1296 */ 1297 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1298 if (--softc->bufs_left == 0) { 1299 softc->changer->flags |= 1300 CHANGER_MANUAL_CALL; 1301 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1302 cdrunchangerqueue(softc->changer); 1303 } 1304 } else if ((bioq_first(&softc->bio_queue) == NULL) 1305 && (softc->outstanding_cmds == 0)) { 1306 softc->changer->flags |= CHANGER_MANUAL_CALL; 1307 cdrunchangerqueue(softc->changer); 1308 } 1309 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1310 && (softc->flags & CD_FLAG_ACTIVE)) { 1311 1312 /* 1313 * Now that the first transaction to this 1314 * particular device has completed, we can go ahead 1315 * and schedule our timeouts. 1316 */ 1317 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1318 changer->long_handle = 1319 timeout(cdrunchangerqueue, changer, 1320 changer_max_busy_seconds * hz); 1321 changer->flags |= CHANGER_TIMEOUT_SCHED; 1322 } else 1323 printf("cdchangerschedule: already have a long" 1324 " timeout!\n"); 1325 1326 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1327 changer->short_handle = 1328 timeout(cdshorttimeout, changer, 1329 changer_min_busy_seconds * hz); 1330 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1331 } else 1332 printf("cdchangerschedule: already have a short " 1333 "timeout!\n"); 1334 1335 /* 1336 * We just scheduled timeouts, no need to schedule 1337 * more. 1338 */ 1339 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1340 1341 } 1342 splx(s); 1343 } 1344 1345 static int 1346 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1347 u_int32_t cam_flags, 1348 u_int32_t sense_flags), 1349 u_int32_t cam_flags, u_int32_t sense_flags) 1350 { 1351 struct cd_softc *softc; 1352 struct cam_periph *periph; 1353 int error; 1354 1355 periph = xpt_path_periph(ccb->ccb_h.path); 1356 softc = (struct cd_softc *)periph->softc; 1357 1358 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1359 softc->disk->d_devstat); 1360 1361 if (softc->flags & CD_FLAG_CHANGER) 1362 cdchangerschedule(softc); 1363 1364 return(error); 1365 } 1366 1367 static union ccb * 1368 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1369 { 1370 struct cd_softc *softc; 1371 int s; 1372 1373 softc = (struct cd_softc *)periph->softc; 1374 1375 if (softc->flags & CD_FLAG_CHANGER) { 1376 1377 s = splsoftcam(); 1378 1379 /* 1380 * This should work the first time this device is woken up, 1381 * but just in case it doesn't, we use a while loop. 1382 */ 1383 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1384 /* 1385 * If this changer isn't already queued, queue it up. 1386 */ 1387 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1388 softc->pinfo.priority = 1; 1389 softc->pinfo.generation = 1390 ++softc->changer->devq.generation; 1391 camq_insert(&softc->changer->devq, 1392 (cam_pinfo *)softc); 1393 } 1394 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1395 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1396 && ((softc->changer->flags 1397 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1398 softc->changer->flags |= CHANGER_MANUAL_CALL; 1399 cdrunchangerqueue(softc->changer); 1400 } else 1401 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1402 } 1403 splx(s); 1404 } 1405 return(cam_periph_getccb(periph, priority)); 1406 } 1407 1408 1409 /* 1410 * Actually translate the requested transfer into one the physical driver 1411 * can understand. The transfer is described by a buf and will include 1412 * only one physical transfer. 1413 */ 1414 static void 1415 cdstrategy(struct bio *bp) 1416 { 1417 struct cam_periph *periph; 1418 struct cd_softc *softc; 1419 int s; 1420 1421 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1422 if (periph == NULL) { 1423 biofinish(bp, NULL, ENXIO); 1424 return; 1425 } 1426 1427 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1428 1429 softc = (struct cd_softc *)periph->softc; 1430 1431 /* 1432 * Mask interrupts so that the pack cannot be invalidated until 1433 * after we are in the queue. Otherwise, we might not properly 1434 * clean up one of the buffers. 1435 */ 1436 s = splbio(); 1437 1438 /* 1439 * If the device has been made invalid, error out 1440 */ 1441 if ((softc->flags & CD_FLAG_INVALID)) { 1442 splx(s); 1443 biofinish(bp, NULL, ENXIO); 1444 return; 1445 } 1446 1447 /* 1448 * If we don't have valid media, look for it before trying to 1449 * schedule the I/O. 1450 */ 1451 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1452 int error; 1453 1454 error = cdcheckmedia(periph); 1455 if (error != 0) { 1456 splx(s); 1457 biofinish(bp, NULL, error); 1458 return; 1459 } 1460 } 1461 1462 /* 1463 * Place it in the queue of disk activities for this disk 1464 */ 1465 bioq_disksort(&softc->bio_queue, bp); 1466 1467 splx(s); 1468 1469 /* 1470 * Schedule ourselves for performing the work. We do things 1471 * differently for changers. 1472 */ 1473 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1474 xpt_schedule(periph, /* XXX priority */1); 1475 else 1476 cdschedule(periph, /* priority */ 1); 1477 1478 return; 1479 } 1480 1481 static void 1482 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1483 { 1484 struct cd_softc *softc; 1485 struct bio *bp; 1486 struct ccb_scsiio *csio; 1487 struct scsi_read_capacity_data *rcap; 1488 int s; 1489 1490 softc = (struct cd_softc *)periph->softc; 1491 1492 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1493 1494 switch (softc->state) { 1495 case CD_STATE_NORMAL: 1496 { 1497 int oldspl; 1498 1499 s = splbio(); 1500 bp = bioq_first(&softc->bio_queue); 1501 if (periph->immediate_priority <= periph->pinfo.priority) { 1502 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1503 1504 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1505 periph_links.sle); 1506 periph->immediate_priority = CAM_PRIORITY_NONE; 1507 splx(s); 1508 wakeup(&periph->ccb_list); 1509 } else if (bp == NULL) { 1510 splx(s); 1511 xpt_release_ccb(start_ccb); 1512 } else { 1513 bioq_remove(&softc->bio_queue, bp); 1514 1515 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1516 1517 scsi_read_write(&start_ccb->csio, 1518 /*retries*/4, 1519 /* cbfcnp */ cddone, 1520 MSG_SIMPLE_Q_TAG, 1521 /* read */bp->bio_cmd == BIO_READ, 1522 /* byte2 */ 0, 1523 /* minimum_cmd_size */ 10, 1524 /* lba */ bp->bio_offset / 1525 softc->params.blksize, 1526 bp->bio_bcount / softc->params.blksize, 1527 /* data_ptr */ bp->bio_data, 1528 /* dxfer_len */ bp->bio_bcount, 1529 /* sense_len */ SSD_FULL_SIZE, 1530 /* timeout */ 30000); 1531 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1532 1533 1534 /* 1535 * Block out any asyncronous callbacks 1536 * while we touch the pending ccb list. 1537 */ 1538 oldspl = splcam(); 1539 LIST_INSERT_HEAD(&softc->pending_ccbs, 1540 &start_ccb->ccb_h, periph_links.le); 1541 softc->outstanding_cmds++; 1542 splx(oldspl); 1543 1544 /* We expect a unit attention from this device */ 1545 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1546 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1547 softc->flags &= ~CD_FLAG_RETRY_UA; 1548 } 1549 1550 start_ccb->ccb_h.ccb_bp = bp; 1551 bp = bioq_first(&softc->bio_queue); 1552 splx(s); 1553 1554 xpt_action(start_ccb); 1555 } 1556 if (bp != NULL) { 1557 /* Have more work to do, so ensure we stay scheduled */ 1558 xpt_schedule(periph, /* XXX priority */1); 1559 } 1560 break; 1561 } 1562 case CD_STATE_PROBE: 1563 { 1564 1565 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1566 M_TEMP, 1567 M_NOWAIT); 1568 if (rcap == NULL) { 1569 xpt_print_path(periph->path); 1570 printf("cdstart: Couldn't malloc read_capacity data\n"); 1571 /* cd_free_periph??? */ 1572 break; 1573 } 1574 csio = &start_ccb->csio; 1575 scsi_read_capacity(csio, 1576 /*retries*/1, 1577 cddone, 1578 MSG_SIMPLE_Q_TAG, 1579 rcap, 1580 SSD_FULL_SIZE, 1581 /*timeout*/20000); 1582 start_ccb->ccb_h.ccb_bp = NULL; 1583 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1584 xpt_action(start_ccb); 1585 break; 1586 } 1587 } 1588 } 1589 1590 static void 1591 cddone(struct cam_periph *periph, union ccb *done_ccb) 1592 { 1593 struct cd_softc *softc; 1594 struct ccb_scsiio *csio; 1595 1596 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1597 1598 softc = (struct cd_softc *)periph->softc; 1599 csio = &done_ccb->csio; 1600 1601 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1602 case CD_CCB_BUFFER_IO: 1603 { 1604 struct bio *bp; 1605 int error; 1606 int oldspl; 1607 1608 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1609 error = 0; 1610 1611 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1612 int sf; 1613 1614 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1615 sf = SF_RETRY_UA; 1616 else 1617 sf = 0; 1618 1619 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1620 if (error == ERESTART) { 1621 /* 1622 * A retry was scheuled, so 1623 * just return. 1624 */ 1625 return; 1626 } 1627 } 1628 1629 if (error != 0) { 1630 int s; 1631 1632 xpt_print_path(periph->path); 1633 printf("cddone: got error %#x back\n", error); 1634 s = splbio(); 1635 bioq_flush(&softc->bio_queue, NULL, EIO); 1636 splx(s); 1637 bp->bio_resid = bp->bio_bcount; 1638 bp->bio_error = error; 1639 bp->bio_flags |= BIO_ERROR; 1640 cam_release_devq(done_ccb->ccb_h.path, 1641 /*relsim_flags*/0, 1642 /*reduction*/0, 1643 /*timeout*/0, 1644 /*getcount_only*/0); 1645 1646 } else { 1647 bp->bio_resid = csio->resid; 1648 bp->bio_error = 0; 1649 if (bp->bio_resid != 0) { 1650 /* 1651 * Short transfer ??? 1652 * XXX: not sure this is correct for partial 1653 * transfers at EOM 1654 */ 1655 bp->bio_flags |= BIO_ERROR; 1656 } 1657 } 1658 1659 /* 1660 * Block out any asyncronous callbacks 1661 * while we touch the pending ccb list. 1662 */ 1663 oldspl = splcam(); 1664 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1665 softc->outstanding_cmds--; 1666 splx(oldspl); 1667 1668 if (softc->flags & CD_FLAG_CHANGER) 1669 cdchangerschedule(softc); 1670 1671 biofinish(bp, softc->disk->d_devstat, 0); 1672 break; 1673 } 1674 case CD_CCB_PROBE: 1675 { 1676 struct scsi_read_capacity_data *rdcap; 1677 char announce_buf[120]; /* 1678 * Currently (9/30/97) the 1679 * longest possible announce 1680 * buffer is 108 bytes, for the 1681 * first error case below. 1682 * That is 39 bytes for the 1683 * basic string, 16 bytes for the 1684 * biggest sense key (hardware 1685 * error), 52 bytes for the 1686 * text of the largest sense 1687 * qualifier valid for a CDROM, 1688 * (0x72, 0x03 or 0x04, 1689 * 0x03), and one byte for the 1690 * null terminating character. 1691 * To allow for longer strings, 1692 * the announce buffer is 120 1693 * bytes. 1694 */ 1695 struct cd_params *cdp; 1696 1697 cdp = &softc->params; 1698 1699 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1700 1701 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1702 cdp->blksize = scsi_4btoul (rdcap->length); 1703 1704 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1705 1706 snprintf(announce_buf, sizeof(announce_buf), 1707 "cd present [%lu x %lu byte records]", 1708 cdp->disksize, (u_long)cdp->blksize); 1709 1710 } else { 1711 int error; 1712 /* 1713 * Retry any UNIT ATTENTION type errors. They 1714 * are expected at boot. 1715 */ 1716 error = cderror(done_ccb, CAM_RETRY_SELTO, 1717 SF_RETRY_UA | SF_NO_PRINT); 1718 if (error == ERESTART) { 1719 /* 1720 * A retry was scheuled, so 1721 * just return. 1722 */ 1723 return; 1724 } else if (error != 0) { 1725 1726 struct scsi_sense_data *sense; 1727 int asc, ascq; 1728 int sense_key, error_code; 1729 int have_sense; 1730 cam_status status; 1731 struct ccb_getdev cgd; 1732 1733 /* Don't wedge this device's queue */ 1734 cam_release_devq(done_ccb->ccb_h.path, 1735 /*relsim_flags*/0, 1736 /*reduction*/0, 1737 /*timeout*/0, 1738 /*getcount_only*/0); 1739 1740 status = done_ccb->ccb_h.status; 1741 1742 xpt_setup_ccb(&cgd.ccb_h, 1743 done_ccb->ccb_h.path, 1744 /* priority */ 1); 1745 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1746 xpt_action((union ccb *)&cgd); 1747 1748 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1749 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1750 || ((status & CAM_AUTOSNS_VALID) == 0)) 1751 have_sense = FALSE; 1752 else 1753 have_sense = TRUE; 1754 1755 if (have_sense) { 1756 sense = &csio->sense_data; 1757 scsi_extract_sense(sense, &error_code, 1758 &sense_key, 1759 &asc, &ascq); 1760 } 1761 /* 1762 * Attach to anything that claims to be a 1763 * CDROM or WORM device, as long as it 1764 * doesn't return a "Logical unit not 1765 * supported" (0x25) error. 1766 */ 1767 if ((have_sense) && (asc != 0x25) 1768 && (error_code == SSD_CURRENT_ERROR)) { 1769 const char *sense_key_desc; 1770 const char *asc_desc; 1771 1772 scsi_sense_desc(sense_key, asc, ascq, 1773 &cgd.inq_data, 1774 &sense_key_desc, 1775 &asc_desc); 1776 snprintf(announce_buf, 1777 sizeof(announce_buf), 1778 "Attempt to query device " 1779 "size failed: %s, %s", 1780 sense_key_desc, 1781 asc_desc); 1782 } else if ((have_sense == 0) 1783 && ((status & CAM_STATUS_MASK) == 1784 CAM_SCSI_STATUS_ERROR) 1785 && (csio->scsi_status == 1786 SCSI_STATUS_BUSY)) { 1787 snprintf(announce_buf, 1788 sizeof(announce_buf), 1789 "Attempt to query device " 1790 "size failed: SCSI Status: %s", 1791 scsi_status_string(csio)); 1792 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1793 /* 1794 * We only print out an error for 1795 * CDROM type devices. For WORM 1796 * devices, we don't print out an 1797 * error since a few WORM devices 1798 * don't support CDROM commands. 1799 * If we have sense information, go 1800 * ahead and print it out. 1801 * Otherwise, just say that we 1802 * couldn't attach. 1803 */ 1804 1805 /* 1806 * Just print out the error, not 1807 * the full probe message, when we 1808 * don't attach. 1809 */ 1810 if (have_sense) 1811 scsi_sense_print( 1812 &done_ccb->csio); 1813 else { 1814 xpt_print_path(periph->path); 1815 printf("got CAM status %#x\n", 1816 done_ccb->ccb_h.status); 1817 } 1818 xpt_print_path(periph->path); 1819 printf("fatal error, failed" 1820 " to attach to device\n"); 1821 1822 /* 1823 * Invalidate this peripheral. 1824 */ 1825 cam_periph_invalidate(periph); 1826 1827 announce_buf[0] = '\0'; 1828 } else { 1829 1830 /* 1831 * Invalidate this peripheral. 1832 */ 1833 cam_periph_invalidate(periph); 1834 announce_buf[0] = '\0'; 1835 } 1836 } 1837 } 1838 free(rdcap, M_TEMP); 1839 if (announce_buf[0] != '\0') { 1840 xpt_announce_periph(periph, announce_buf); 1841 if (softc->flags & CD_FLAG_CHANGER) 1842 cdchangerschedule(softc); 1843 /* 1844 * Create our sysctl variables, now that we know 1845 * we have successfully attached. 1846 */ 1847 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1848 } 1849 softc->state = CD_STATE_NORMAL; 1850 /* 1851 * Since our peripheral may be invalidated by an error 1852 * above or an external event, we must release our CCB 1853 * before releasing the probe lock on the peripheral. 1854 * The peripheral will only go away once the last lock 1855 * is removed, and we need it around for the CCB release 1856 * operation. 1857 */ 1858 xpt_release_ccb(done_ccb); 1859 cam_periph_unlock(periph); 1860 return; 1861 } 1862 case CD_CCB_WAITING: 1863 { 1864 /* Caller will release the CCB */ 1865 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1866 ("trying to wakeup ccbwait\n")); 1867 1868 wakeup(&done_ccb->ccb_h.cbfcnp); 1869 return; 1870 } 1871 default: 1872 break; 1873 } 1874 xpt_release_ccb(done_ccb); 1875 } 1876 1877 static union cd_pages * 1878 cdgetpage(struct cd_mode_params *mode_params) 1879 { 1880 union cd_pages *page; 1881 1882 if (mode_params->cdb_size == 10) 1883 page = (union cd_pages *)find_mode_page_10( 1884 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1885 else 1886 page = (union cd_pages *)find_mode_page_6( 1887 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1888 1889 return (page); 1890 } 1891 1892 static int 1893 cdgetpagesize(int page_num) 1894 { 1895 int i; 1896 1897 for (i = 0; i < (sizeof(cd_page_size_table)/ 1898 sizeof(cd_page_size_table[0])); i++) { 1899 if (cd_page_size_table[i].page == page_num) 1900 return (cd_page_size_table[i].page_size); 1901 } 1902 1903 return (-1); 1904 } 1905 1906 static int 1907 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1908 { 1909 1910 struct cam_periph *periph; 1911 struct cd_softc *softc; 1912 int error, nocopyout; 1913 1914 periph = (struct cam_periph *)dp->d_drv1; 1915 if (periph == NULL) 1916 return(ENXIO); 1917 1918 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1919 1920 softc = (struct cd_softc *)periph->softc; 1921 1922 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1923 ("trying to do ioctl %#lx\n", cmd)); 1924 1925 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1926 1927 if (error != 0) 1928 return(error); 1929 /* 1930 * If we don't have media loaded, check for it. If still don't 1931 * have media loaded, we can only do a load or eject. 1932 * 1933 * We only care whether media is loaded if this is a cd-specific ioctl 1934 * (thus the IOCGROUP check below). Note that this will break if 1935 * anyone adds any ioctls into the switch statement below that don't 1936 * have their ioctl group set to 'c'. 1937 */ 1938 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1939 && ((cmd != CDIOCCLOSE) 1940 && (cmd != CDIOCEJECT)) 1941 && (IOCGROUP(cmd) == 'c')) { 1942 error = cdcheckmedia(periph); 1943 if (error != 0) { 1944 cam_periph_unlock(periph); 1945 return (error); 1946 } 1947 } 1948 1949 nocopyout = 0; 1950 switch (cmd) { 1951 1952 case CDIOCPLAYTRACKS: 1953 { 1954 struct ioc_play_track *args 1955 = (struct ioc_play_track *) addr; 1956 struct cd_mode_params params; 1957 union cd_pages *page; 1958 1959 params.alloc_len = sizeof(union cd_mode_data_6_10); 1960 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1961 M_WAITOK | M_ZERO); 1962 1963 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1964 ("trying to do CDIOCPLAYTRACKS\n")); 1965 1966 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1967 if (error) { 1968 free(params.mode_buf, M_TEMP); 1969 break; 1970 } 1971 page = cdgetpage(¶ms); 1972 1973 page->audio.flags &= ~CD_PA_SOTC; 1974 page->audio.flags |= CD_PA_IMMED; 1975 error = cdsetmode(periph, ¶ms); 1976 free(params.mode_buf, M_TEMP); 1977 if (error) 1978 break; 1979 1980 /* 1981 * This was originally implemented with the PLAY 1982 * AUDIO TRACK INDEX command, but that command was 1983 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1984 * drives support it but ATAPI and ATAPI-derivative 1985 * drives don't seem to support it. So we keep a 1986 * cache of the table of contents and translate 1987 * track numbers to MSF format. 1988 */ 1989 if (softc->flags & CD_FLAG_VALID_TOC) { 1990 union msf_lba *sentry, *eentry; 1991 int st, et; 1992 1993 if (args->end_track < 1994 softc->toc.header.ending_track + 1) 1995 args->end_track++; 1996 if (args->end_track > 1997 softc->toc.header.ending_track + 1) 1998 args->end_track = 1999 softc->toc.header.ending_track + 1; 2000 st = args->start_track - 2001 softc->toc.header.starting_track; 2002 et = args->end_track - 2003 softc->toc.header.starting_track; 2004 if ((st < 0) 2005 || (et < 0) 2006 || (st > (softc->toc.header.ending_track - 2007 softc->toc.header.starting_track))) { 2008 error = EINVAL; 2009 break; 2010 } 2011 sentry = &softc->toc.entries[st].addr; 2012 eentry = &softc->toc.entries[et].addr; 2013 error = cdplaymsf(periph, 2014 sentry->msf.minute, 2015 sentry->msf.second, 2016 sentry->msf.frame, 2017 eentry->msf.minute, 2018 eentry->msf.second, 2019 eentry->msf.frame); 2020 } else { 2021 /* 2022 * If we don't have a valid TOC, try the 2023 * play track index command. It is part of 2024 * the SCSI-2 spec, but was removed in the 2025 * MMC specs. ATAPI and ATAPI-derived 2026 * drives don't support it. 2027 */ 2028 if (softc->quirks & CD_Q_BCD_TRACKS) { 2029 args->start_track = 2030 bin2bcd(args->start_track); 2031 args->end_track = 2032 bin2bcd(args->end_track); 2033 } 2034 error = cdplaytracks(periph, 2035 args->start_track, 2036 args->start_index, 2037 args->end_track, 2038 args->end_index); 2039 } 2040 } 2041 break; 2042 case CDIOCPLAYMSF: 2043 { 2044 struct ioc_play_msf *args 2045 = (struct ioc_play_msf *) addr; 2046 struct cd_mode_params params; 2047 union cd_pages *page; 2048 2049 params.alloc_len = sizeof(union cd_mode_data_6_10); 2050 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2051 M_WAITOK | M_ZERO); 2052 2053 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2054 ("trying to do CDIOCPLAYMSF\n")); 2055 2056 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2057 if (error) { 2058 free(params.mode_buf, M_TEMP); 2059 break; 2060 } 2061 page = cdgetpage(¶ms); 2062 2063 page->audio.flags &= ~CD_PA_SOTC; 2064 page->audio.flags |= CD_PA_IMMED; 2065 error = cdsetmode(periph, ¶ms); 2066 free(params.mode_buf, M_TEMP); 2067 if (error) 2068 break; 2069 error = cdplaymsf(periph, 2070 args->start_m, 2071 args->start_s, 2072 args->start_f, 2073 args->end_m, 2074 args->end_s, 2075 args->end_f); 2076 } 2077 break; 2078 case CDIOCPLAYBLOCKS: 2079 { 2080 struct ioc_play_blocks *args 2081 = (struct ioc_play_blocks *) addr; 2082 struct cd_mode_params params; 2083 union cd_pages *page; 2084 2085 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2086 ("trying to do CDIOCPLAYBLOCKS\n")); 2087 2088 params.alloc_len = sizeof(union cd_mode_data_6_10); 2089 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2090 M_WAITOK | M_ZERO); 2091 2092 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2093 if (error) { 2094 free(params.mode_buf, M_TEMP); 2095 break; 2096 } 2097 page = cdgetpage(¶ms); 2098 2099 page->audio.flags &= ~CD_PA_SOTC; 2100 page->audio.flags |= CD_PA_IMMED; 2101 error = cdsetmode(periph, ¶ms); 2102 free(params.mode_buf, M_TEMP); 2103 if (error) 2104 break; 2105 error = cdplay(periph, args->blk, args->len); 2106 } 2107 break; 2108 case CDIOCREADSUBCHANNEL_SYSSPACE: 2109 nocopyout = 1; 2110 /* Fallthrough */ 2111 case CDIOCREADSUBCHANNEL: 2112 { 2113 struct ioc_read_subchannel *args 2114 = (struct ioc_read_subchannel *) addr; 2115 struct cd_sub_channel_info *data; 2116 u_int32_t len = args->data_len; 2117 2118 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2119 ("trying to do CDIOCREADSUBCHANNEL\n")); 2120 2121 data = malloc(sizeof(struct cd_sub_channel_info), 2122 M_TEMP, M_WAITOK); 2123 2124 if ((len > sizeof(struct cd_sub_channel_info)) || 2125 (len < sizeof(struct cd_sub_channel_header))) { 2126 printf( 2127 "scsi_cd: cdioctl: " 2128 "cdioreadsubchannel: error, len=%d\n", 2129 len); 2130 error = EINVAL; 2131 free(data, M_TEMP); 2132 break; 2133 } 2134 2135 if (softc->quirks & CD_Q_BCD_TRACKS) 2136 args->track = bin2bcd(args->track); 2137 2138 error = cdreadsubchannel(periph, args->address_format, 2139 args->data_format, args->track, data, len); 2140 2141 if (error) { 2142 free(data, M_TEMP); 2143 break; 2144 } 2145 if (softc->quirks & CD_Q_BCD_TRACKS) 2146 data->what.track_info.track_number = 2147 bcd2bin(data->what.track_info.track_number); 2148 len = min(len, ((data->header.data_len[0] << 8) + 2149 data->header.data_len[1] + 2150 sizeof(struct cd_sub_channel_header))); 2151 if (nocopyout == 0) { 2152 if (copyout(data, args->data, len) != 0) { 2153 error = EFAULT; 2154 } 2155 } else { 2156 bcopy(data, args->data, len); 2157 } 2158 free(data, M_TEMP); 2159 } 2160 break; 2161 2162 case CDIOREADTOCHEADER: 2163 { 2164 struct ioc_toc_header *th; 2165 2166 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2167 ("trying to do CDIOREADTOCHEADER\n")); 2168 2169 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2170 M_WAITOK); 2171 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2172 sizeof (*th), /*sense_flags*/0); 2173 if (error) { 2174 free(th, M_TEMP); 2175 break; 2176 } 2177 if (softc->quirks & CD_Q_BCD_TRACKS) { 2178 /* we are going to have to convert the BCD 2179 * encoding on the cd to what is expected 2180 */ 2181 th->starting_track = 2182 bcd2bin(th->starting_track); 2183 th->ending_track = bcd2bin(th->ending_track); 2184 } 2185 th->len = ntohs(th->len); 2186 bcopy(th, addr, sizeof(*th)); 2187 free(th, M_TEMP); 2188 } 2189 break; 2190 case CDIOREADTOCENTRYS: 2191 { 2192 struct cd_tocdata *data; 2193 struct cd_toc_single *lead; 2194 struct ioc_read_toc_entry *te = 2195 (struct ioc_read_toc_entry *) addr; 2196 struct ioc_toc_header *th; 2197 u_int32_t len, readlen, idx, num; 2198 u_int32_t starting_track = te->starting_track; 2199 2200 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2201 ("trying to do CDIOREADTOCENTRYS\n")); 2202 2203 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2204 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2205 2206 if (te->data_len < sizeof(struct cd_toc_entry) 2207 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2208 || (te->address_format != CD_MSF_FORMAT 2209 && te->address_format != CD_LBA_FORMAT)) { 2210 error = EINVAL; 2211 printf("scsi_cd: error in readtocentries, " 2212 "returning EINVAL\n"); 2213 free(data, M_TEMP); 2214 free(lead, M_TEMP); 2215 break; 2216 } 2217 2218 th = &data->header; 2219 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2220 sizeof (*th), /*sense_flags*/0); 2221 if (error) { 2222 free(data, M_TEMP); 2223 free(lead, M_TEMP); 2224 break; 2225 } 2226 2227 if (softc->quirks & CD_Q_BCD_TRACKS) { 2228 /* we are going to have to convert the BCD 2229 * encoding on the cd to what is expected 2230 */ 2231 th->starting_track = 2232 bcd2bin(th->starting_track); 2233 th->ending_track = bcd2bin(th->ending_track); 2234 } 2235 2236 if (starting_track == 0) 2237 starting_track = th->starting_track; 2238 else if (starting_track == LEADOUT) 2239 starting_track = th->ending_track + 1; 2240 else if (starting_track < th->starting_track || 2241 starting_track > th->ending_track + 1) { 2242 printf("scsi_cd: error in readtocentries, " 2243 "returning EINVAL\n"); 2244 free(data, M_TEMP); 2245 free(lead, M_TEMP); 2246 error = EINVAL; 2247 break; 2248 } 2249 2250 /* calculate reading length without leadout entry */ 2251 readlen = (th->ending_track - starting_track + 1) * 2252 sizeof(struct cd_toc_entry); 2253 2254 /* and with leadout entry */ 2255 len = readlen + sizeof(struct cd_toc_entry); 2256 if (te->data_len < len) { 2257 len = te->data_len; 2258 if (readlen > len) 2259 readlen = len; 2260 } 2261 if (len > sizeof(data->entries)) { 2262 printf("scsi_cd: error in readtocentries, " 2263 "returning EINVAL\n"); 2264 error = EINVAL; 2265 free(data, M_TEMP); 2266 free(lead, M_TEMP); 2267 break; 2268 } 2269 num = len / sizeof(struct cd_toc_entry); 2270 2271 if (readlen > 0) { 2272 error = cdreadtoc(periph, te->address_format, 2273 starting_track, 2274 (u_int8_t *)data, 2275 readlen + sizeof (*th), 2276 /*sense_flags*/0); 2277 if (error) { 2278 free(data, M_TEMP); 2279 free(lead, M_TEMP); 2280 break; 2281 } 2282 } 2283 2284 /* make leadout entry if needed */ 2285 idx = starting_track + num - 1; 2286 if (softc->quirks & CD_Q_BCD_TRACKS) 2287 th->ending_track = bcd2bin(th->ending_track); 2288 if (idx == th->ending_track + 1) { 2289 error = cdreadtoc(periph, te->address_format, 2290 LEADOUT, (u_int8_t *)lead, 2291 sizeof(*lead), 2292 /*sense_flags*/0); 2293 if (error) { 2294 free(data, M_TEMP); 2295 free(lead, M_TEMP); 2296 break; 2297 } 2298 data->entries[idx - starting_track] = 2299 lead->entry; 2300 } 2301 if (softc->quirks & CD_Q_BCD_TRACKS) { 2302 for (idx = 0; idx < num - 1; idx++) { 2303 data->entries[idx].track = 2304 bcd2bin(data->entries[idx].track); 2305 } 2306 } 2307 2308 error = copyout(data->entries, te->data, len); 2309 free(data, M_TEMP); 2310 free(lead, M_TEMP); 2311 } 2312 break; 2313 case CDIOREADTOCENTRY: 2314 { 2315 struct cd_toc_single *data; 2316 struct ioc_read_toc_single_entry *te = 2317 (struct ioc_read_toc_single_entry *) addr; 2318 struct ioc_toc_header *th; 2319 u_int32_t track; 2320 2321 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2322 ("trying to do CDIOREADTOCENTRY\n")); 2323 2324 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2325 2326 if (te->address_format != CD_MSF_FORMAT 2327 && te->address_format != CD_LBA_FORMAT) { 2328 printf("error in readtocentry, " 2329 " returning EINVAL\n"); 2330 free(data, M_TEMP); 2331 error = EINVAL; 2332 break; 2333 } 2334 2335 th = &data->header; 2336 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2337 sizeof (*th), /*sense_flags*/0); 2338 if (error) { 2339 free(data, M_TEMP); 2340 break; 2341 } 2342 2343 if (softc->quirks & CD_Q_BCD_TRACKS) { 2344 /* we are going to have to convert the BCD 2345 * encoding on the cd to what is expected 2346 */ 2347 th->starting_track = 2348 bcd2bin(th->starting_track); 2349 th->ending_track = bcd2bin(th->ending_track); 2350 } 2351 track = te->track; 2352 if (track == 0) 2353 track = th->starting_track; 2354 else if (track == LEADOUT) 2355 /* OK */; 2356 else if (track < th->starting_track || 2357 track > th->ending_track + 1) { 2358 printf("error in readtocentry, " 2359 " returning EINVAL\n"); 2360 free(data, M_TEMP); 2361 error = EINVAL; 2362 break; 2363 } 2364 2365 error = cdreadtoc(periph, te->address_format, track, 2366 (u_int8_t *)data, sizeof(*data), 2367 /*sense_flags*/0); 2368 if (error) { 2369 free(data, M_TEMP); 2370 break; 2371 } 2372 2373 if (softc->quirks & CD_Q_BCD_TRACKS) 2374 data->entry.track = bcd2bin(data->entry.track); 2375 bcopy(&data->entry, &te->entry, 2376 sizeof(struct cd_toc_entry)); 2377 free(data, M_TEMP); 2378 } 2379 break; 2380 case CDIOCSETPATCH: 2381 { 2382 struct ioc_patch *arg = (struct ioc_patch *)addr; 2383 struct cd_mode_params params; 2384 union cd_pages *page; 2385 2386 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2387 ("trying to do CDIOCSETPATCH\n")); 2388 2389 params.alloc_len = sizeof(union cd_mode_data_6_10); 2390 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2391 M_WAITOK | M_ZERO); 2392 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2393 if (error) { 2394 free(params.mode_buf, M_TEMP); 2395 break; 2396 } 2397 page = cdgetpage(¶ms); 2398 2399 page->audio.port[LEFT_PORT].channels = 2400 arg->patch[0]; 2401 page->audio.port[RIGHT_PORT].channels = 2402 arg->patch[1]; 2403 page->audio.port[2].channels = arg->patch[2]; 2404 page->audio.port[3].channels = arg->patch[3]; 2405 error = cdsetmode(periph, ¶ms); 2406 free(params.mode_buf, M_TEMP); 2407 } 2408 break; 2409 case CDIOCGETVOL: 2410 { 2411 struct ioc_vol *arg = (struct ioc_vol *) addr; 2412 struct cd_mode_params params; 2413 union cd_pages *page; 2414 2415 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2416 ("trying to do CDIOCGETVOL\n")); 2417 2418 params.alloc_len = sizeof(union cd_mode_data_6_10); 2419 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2420 M_WAITOK | M_ZERO); 2421 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2422 if (error) { 2423 free(params.mode_buf, M_TEMP); 2424 break; 2425 } 2426 page = cdgetpage(¶ms); 2427 2428 arg->vol[LEFT_PORT] = 2429 page->audio.port[LEFT_PORT].volume; 2430 arg->vol[RIGHT_PORT] = 2431 page->audio.port[RIGHT_PORT].volume; 2432 arg->vol[2] = page->audio.port[2].volume; 2433 arg->vol[3] = page->audio.port[3].volume; 2434 free(params.mode_buf, M_TEMP); 2435 } 2436 break; 2437 case CDIOCSETVOL: 2438 { 2439 struct ioc_vol *arg = (struct ioc_vol *) addr; 2440 struct cd_mode_params params; 2441 union cd_pages *page; 2442 2443 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2444 ("trying to do CDIOCSETVOL\n")); 2445 2446 params.alloc_len = sizeof(union cd_mode_data_6_10); 2447 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2448 M_WAITOK | M_ZERO); 2449 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2450 if (error) { 2451 free(params.mode_buf, M_TEMP); 2452 break; 2453 } 2454 page = cdgetpage(¶ms); 2455 2456 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2457 page->audio.port[LEFT_PORT].volume = 2458 arg->vol[LEFT_PORT]; 2459 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2460 page->audio.port[RIGHT_PORT].volume = 2461 arg->vol[RIGHT_PORT]; 2462 page->audio.port[2].volume = arg->vol[2]; 2463 page->audio.port[3].volume = arg->vol[3]; 2464 error = cdsetmode(periph, ¶ms); 2465 free(params.mode_buf, M_TEMP); 2466 } 2467 break; 2468 case CDIOCSETMONO: 2469 { 2470 struct cd_mode_params params; 2471 union cd_pages *page; 2472 2473 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2474 ("trying to do CDIOCSETMONO\n")); 2475 2476 params.alloc_len = sizeof(union cd_mode_data_6_10); 2477 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2478 M_WAITOK | M_ZERO); 2479 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2480 if (error) { 2481 free(params.mode_buf, M_TEMP); 2482 break; 2483 } 2484 page = cdgetpage(¶ms); 2485 2486 page->audio.port[LEFT_PORT].channels = 2487 LEFT_CHANNEL | RIGHT_CHANNEL; 2488 page->audio.port[RIGHT_PORT].channels = 2489 LEFT_CHANNEL | RIGHT_CHANNEL; 2490 page->audio.port[2].channels = 0; 2491 page->audio.port[3].channels = 0; 2492 error = cdsetmode(periph, ¶ms); 2493 free(params.mode_buf, M_TEMP); 2494 } 2495 break; 2496 case CDIOCSETSTEREO: 2497 { 2498 struct cd_mode_params params; 2499 union cd_pages *page; 2500 2501 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2502 ("trying to do CDIOCSETSTEREO\n")); 2503 2504 params.alloc_len = sizeof(union cd_mode_data_6_10); 2505 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2506 M_WAITOK | M_ZERO); 2507 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2508 if (error) { 2509 free(params.mode_buf, M_TEMP); 2510 break; 2511 } 2512 page = cdgetpage(¶ms); 2513 2514 page->audio.port[LEFT_PORT].channels = 2515 LEFT_CHANNEL; 2516 page->audio.port[RIGHT_PORT].channels = 2517 RIGHT_CHANNEL; 2518 page->audio.port[2].channels = 0; 2519 page->audio.port[3].channels = 0; 2520 error = cdsetmode(periph, ¶ms); 2521 free(params.mode_buf, M_TEMP); 2522 } 2523 break; 2524 case CDIOCSETMUTE: 2525 { 2526 struct cd_mode_params params; 2527 union cd_pages *page; 2528 2529 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2530 ("trying to do CDIOCSETMUTE\n")); 2531 2532 params.alloc_len = sizeof(union cd_mode_data_6_10); 2533 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2534 M_WAITOK | M_ZERO); 2535 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2536 if (error) { 2537 free(¶ms, M_TEMP); 2538 break; 2539 } 2540 page = cdgetpage(¶ms); 2541 2542 page->audio.port[LEFT_PORT].channels = 0; 2543 page->audio.port[RIGHT_PORT].channels = 0; 2544 page->audio.port[2].channels = 0; 2545 page->audio.port[3].channels = 0; 2546 error = cdsetmode(periph, ¶ms); 2547 free(params.mode_buf, M_TEMP); 2548 } 2549 break; 2550 case CDIOCSETLEFT: 2551 { 2552 struct cd_mode_params params; 2553 union cd_pages *page; 2554 2555 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2556 ("trying to do CDIOCSETLEFT\n")); 2557 2558 params.alloc_len = sizeof(union cd_mode_data_6_10); 2559 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2560 M_WAITOK | M_ZERO); 2561 2562 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2563 if (error) { 2564 free(params.mode_buf, M_TEMP); 2565 break; 2566 } 2567 page = cdgetpage(¶ms); 2568 2569 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2570 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2571 page->audio.port[2].channels = 0; 2572 page->audio.port[3].channels = 0; 2573 error = cdsetmode(periph, ¶ms); 2574 free(params.mode_buf, M_TEMP); 2575 } 2576 break; 2577 case CDIOCSETRIGHT: 2578 { 2579 struct cd_mode_params params; 2580 union cd_pages *page; 2581 2582 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2583 ("trying to do CDIOCSETRIGHT\n")); 2584 2585 params.alloc_len = sizeof(union cd_mode_data_6_10); 2586 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2587 M_WAITOK | M_ZERO); 2588 2589 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2590 if (error) { 2591 free(params.mode_buf, M_TEMP); 2592 break; 2593 } 2594 page = cdgetpage(¶ms); 2595 2596 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2597 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2598 page->audio.port[2].channels = 0; 2599 page->audio.port[3].channels = 0; 2600 error = cdsetmode(periph, ¶ms); 2601 free(params.mode_buf, M_TEMP); 2602 } 2603 break; 2604 case CDIOCRESUME: 2605 error = cdpause(periph, 1); 2606 break; 2607 case CDIOCPAUSE: 2608 error = cdpause(periph, 0); 2609 break; 2610 case CDIOCSTART: 2611 error = cdstartunit(periph, 0); 2612 break; 2613 case CDIOCCLOSE: 2614 error = cdstartunit(periph, 1); 2615 break; 2616 case CDIOCSTOP: 2617 error = cdstopunit(periph, 0); 2618 break; 2619 case CDIOCEJECT: 2620 error = cdstopunit(periph, 1); 2621 break; 2622 case CDIOCALLOW: 2623 cdprevent(periph, PR_ALLOW); 2624 break; 2625 case CDIOCPREVENT: 2626 cdprevent(periph, PR_PREVENT); 2627 break; 2628 case CDIOCSETDEBUG: 2629 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2630 error = ENOTTY; 2631 break; 2632 case CDIOCCLRDEBUG: 2633 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2634 error = ENOTTY; 2635 break; 2636 case CDIOCRESET: 2637 /* return (cd_reset(periph)); */ 2638 error = ENOTTY; 2639 break; 2640 case CDRIOCREADSPEED: 2641 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2642 break; 2643 case CDRIOCWRITESPEED: 2644 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2645 break; 2646 case DVDIOCSENDKEY: 2647 case DVDIOCREPORTKEY: { 2648 struct dvd_authinfo *authinfo; 2649 2650 authinfo = (struct dvd_authinfo *)addr; 2651 2652 if (cmd == DVDIOCREPORTKEY) 2653 error = cdreportkey(periph, authinfo); 2654 else 2655 error = cdsendkey(periph, authinfo); 2656 break; 2657 } 2658 case DVDIOCREADSTRUCTURE: { 2659 struct dvd_struct *dvdstruct; 2660 2661 dvdstruct = (struct dvd_struct *)addr; 2662 2663 error = cdreaddvdstructure(periph, dvdstruct); 2664 2665 break; 2666 } 2667 default: 2668 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2669 break; 2670 } 2671 2672 cam_periph_unlock(periph); 2673 2674 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2675 if (error && bootverbose) { 2676 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2677 } 2678 2679 return (error); 2680 } 2681 2682 static void 2683 cdprevent(struct cam_periph *periph, int action) 2684 { 2685 union ccb *ccb; 2686 struct cd_softc *softc; 2687 int error; 2688 2689 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2690 2691 softc = (struct cd_softc *)periph->softc; 2692 2693 if (((action == PR_ALLOW) 2694 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2695 || ((action == PR_PREVENT) 2696 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2697 return; 2698 } 2699 2700 ccb = cdgetccb(periph, /* priority */ 1); 2701 2702 scsi_prevent(&ccb->csio, 2703 /*retries*/ 1, 2704 cddone, 2705 MSG_SIMPLE_Q_TAG, 2706 action, 2707 SSD_FULL_SIZE, 2708 /* timeout */60000); 2709 2710 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2711 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2712 2713 xpt_release_ccb(ccb); 2714 2715 if (error == 0) { 2716 if (action == PR_ALLOW) 2717 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2718 else 2719 softc->flags |= CD_FLAG_DISC_LOCKED; 2720 } 2721 } 2722 2723 /* 2724 * XXX: the disk media and sector size is only really able to change 2725 * XXX: while the device is closed. 2726 */ 2727 static int 2728 cdcheckmedia(struct cam_periph *periph) 2729 { 2730 struct cd_softc *softc; 2731 struct ioc_toc_header *toch; 2732 struct cd_toc_single leadout; 2733 u_int32_t size, toclen; 2734 int error, num_entries, cdindex; 2735 2736 softc = (struct cd_softc *)periph->softc; 2737 2738 cdprevent(periph, PR_PREVENT); 2739 softc->disk->d_maxsize = DFLTPHYS; 2740 softc->disk->d_sectorsize = 2048; 2741 softc->disk->d_mediasize = 0; 2742 2743 /* 2744 * Get the disc size and block size. If we can't get it, we don't 2745 * have media, most likely. 2746 */ 2747 if ((error = cdsize(periph, &size)) != 0) { 2748 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2749 cdprevent(periph, PR_ALLOW); 2750 return (error); 2751 } else 2752 softc->flags |= CD_FLAG_VALID_MEDIA; 2753 2754 /* 2755 * Now we check the table of contents. This (currently) is only 2756 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2757 * things like present a separate entry in /dev for each track, 2758 * like that acd(4) driver does. 2759 */ 2760 bzero(&softc->toc, sizeof(softc->toc)); 2761 toch = &softc->toc.header; 2762 /* 2763 * We will get errors here for media that doesn't have a table of 2764 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2765 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2766 * has not been recorded (no complete session) and the Format codes 2767 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2768 * with an INVALID FIELD IN CDB. Devices that are not capable of 2769 * reading an incomplete session on DDC/CD-R/RW media shall report 2770 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2771 * 2772 * So this isn't fatal if we can't read the table of contents, it 2773 * just means that the user won't be able to issue the play tracks 2774 * ioctl, and likely lots of other stuff won't work either. They 2775 * need to burn the CD before we can do a whole lot with it. So 2776 * we don't print anything here if we get an error back. 2777 */ 2778 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2779 SF_NO_PRINT); 2780 /* 2781 * Errors in reading the table of contents aren't fatal, we just 2782 * won't have a valid table of contents cached. 2783 */ 2784 if (error != 0) { 2785 error = 0; 2786 bzero(&softc->toc, sizeof(softc->toc)); 2787 goto bailout; 2788 } 2789 2790 if (softc->quirks & CD_Q_BCD_TRACKS) { 2791 toch->starting_track = bcd2bin(toch->starting_track); 2792 toch->ending_track = bcd2bin(toch->ending_track); 2793 } 2794 2795 /* Number of TOC entries, plus leadout */ 2796 num_entries = (toch->ending_track - toch->starting_track) + 2; 2797 2798 if (num_entries <= 0) 2799 goto bailout; 2800 2801 toclen = num_entries * sizeof(struct cd_toc_entry); 2802 2803 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2804 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2805 SF_NO_PRINT); 2806 if (error != 0) { 2807 error = 0; 2808 bzero(&softc->toc, sizeof(softc->toc)); 2809 goto bailout; 2810 } 2811 2812 if (softc->quirks & CD_Q_BCD_TRACKS) { 2813 toch->starting_track = bcd2bin(toch->starting_track); 2814 toch->ending_track = bcd2bin(toch->ending_track); 2815 } 2816 /* 2817 * XXX KDM is this necessary? Probably only if the drive doesn't 2818 * return leadout information with the table of contents. 2819 */ 2820 cdindex = toch->starting_track + num_entries -1; 2821 if (cdindex == toch->ending_track + 1) { 2822 2823 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2824 (u_int8_t *)&leadout, sizeof(leadout), 2825 SF_NO_PRINT); 2826 if (error != 0) { 2827 error = 0; 2828 goto bailout; 2829 } 2830 softc->toc.entries[cdindex - toch->starting_track] = 2831 leadout.entry; 2832 } 2833 if (softc->quirks & CD_Q_BCD_TRACKS) { 2834 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2835 softc->toc.entries[cdindex].track = 2836 bcd2bin(softc->toc.entries[cdindex].track); 2837 } 2838 } 2839 2840 softc->flags |= CD_FLAG_VALID_TOC; 2841 softc->disk->d_maxsize = DFLTPHYS; 2842 softc->disk->d_sectorsize = softc->params.blksize; 2843 softc->disk->d_mediasize = 2844 (off_t)softc->params.blksize * softc->params.disksize; 2845 2846 bailout: 2847 2848 /* 2849 * We unconditionally (re)set the blocksize each time the 2850 * CD device is opened. This is because the CD can change, 2851 * and therefore the blocksize might change. 2852 * XXX problems here if some slice or partition is still 2853 * open with the old size? 2854 */ 2855 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2856 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2857 softc->disk->d_devstat->block_size = softc->params.blksize; 2858 2859 return (error); 2860 } 2861 2862 static int 2863 cdsize(struct cam_periph *periph, u_int32_t *size) 2864 { 2865 struct cd_softc *softc; 2866 union ccb *ccb; 2867 struct scsi_read_capacity_data *rcap_buf; 2868 int error; 2869 2870 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2871 2872 softc = (struct cd_softc *)periph->softc; 2873 2874 ccb = cdgetccb(periph, /* priority */ 1); 2875 2876 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2877 M_TEMP, M_WAITOK); 2878 2879 scsi_read_capacity(&ccb->csio, 2880 /*retries*/ 1, 2881 cddone, 2882 MSG_SIMPLE_Q_TAG, 2883 rcap_buf, 2884 SSD_FULL_SIZE, 2885 /* timeout */20000); 2886 2887 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2888 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2889 2890 xpt_release_ccb(ccb); 2891 2892 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2893 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2894 /* 2895 * SCSI-3 mandates that the reported blocksize shall be 2048. 2896 * Older drives sometimes report funny values, trim it down to 2897 * 2048, or other parts of the kernel will get confused. 2898 * 2899 * XXX we leave drives alone that might report 512 bytes, as 2900 * well as drives reporting more weird sizes like perhaps 4K. 2901 */ 2902 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2903 softc->params.blksize = 2048; 2904 2905 free(rcap_buf, M_TEMP); 2906 *size = softc->params.disksize; 2907 2908 return (error); 2909 2910 } 2911 2912 static int 2913 cd6byteworkaround(union ccb *ccb) 2914 { 2915 u_int8_t *cdb; 2916 struct cam_periph *periph; 2917 struct cd_softc *softc; 2918 struct cd_mode_params *params; 2919 int frozen, found; 2920 2921 periph = xpt_path_periph(ccb->ccb_h.path); 2922 softc = (struct cd_softc *)periph->softc; 2923 2924 cdb = ccb->csio.cdb_io.cdb_bytes; 2925 2926 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2927 || ((cdb[0] != MODE_SENSE_6) 2928 && (cdb[0] != MODE_SELECT_6))) 2929 return (0); 2930 2931 /* 2932 * Because there is no convenient place to stash the overall 2933 * cd_mode_params structure pointer, we have to grab it like this. 2934 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2935 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2936 * 2937 * XXX It would be nice if, at some point, we could increase the 2938 * number of available peripheral private pointers. Both pointers 2939 * are currently used in most every peripheral driver. 2940 */ 2941 found = 0; 2942 2943 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2944 if (params->mode_buf == ccb->csio.data_ptr) { 2945 found = 1; 2946 break; 2947 } 2948 } 2949 2950 /* 2951 * This shouldn't happen. All mode sense and mode select 2952 * operations in the cd(4) driver MUST go through cdgetmode() and 2953 * cdsetmode()! 2954 */ 2955 if (found == 0) { 2956 xpt_print_path(periph->path); 2957 printf("mode buffer not found in mode queue!\n"); 2958 return (0); 2959 } 2960 2961 params->cdb_size = 10; 2962 softc->minimum_command_size = 10; 2963 xpt_print_path(ccb->ccb_h.path); 2964 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2965 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2966 2967 if (cdb[0] == MODE_SENSE_6) { 2968 struct scsi_mode_sense_10 ms10; 2969 struct scsi_mode_sense_6 *ms6; 2970 int len; 2971 2972 ms6 = (struct scsi_mode_sense_6 *)cdb; 2973 2974 bzero(&ms10, sizeof(ms10)); 2975 ms10.opcode = MODE_SENSE_10; 2976 ms10.byte2 = ms6->byte2; 2977 ms10.page = ms6->page; 2978 2979 /* 2980 * 10 byte mode header, block descriptor, 2981 * sizeof(union cd_pages) 2982 */ 2983 len = sizeof(struct cd_mode_data_10); 2984 ccb->csio.dxfer_len = len; 2985 2986 scsi_ulto2b(len, ms10.length); 2987 ms10.control = ms6->control; 2988 bcopy(&ms10, cdb, 10); 2989 ccb->csio.cdb_len = 10; 2990 } else { 2991 struct scsi_mode_select_10 ms10; 2992 struct scsi_mode_select_6 *ms6; 2993 struct scsi_mode_header_6 *header6; 2994 struct scsi_mode_header_10 *header10; 2995 struct scsi_mode_page_header *page_header; 2996 int blk_desc_len, page_num, page_size, len; 2997 2998 ms6 = (struct scsi_mode_select_6 *)cdb; 2999 3000 bzero(&ms10, sizeof(ms10)); 3001 ms10.opcode = MODE_SELECT_10; 3002 ms10.byte2 = ms6->byte2; 3003 3004 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3005 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3006 3007 page_header = find_mode_page_6(header6); 3008 page_num = page_header->page_code; 3009 3010 blk_desc_len = header6->blk_desc_len; 3011 3012 page_size = cdgetpagesize(page_num); 3013 3014 if (page_size != (page_header->page_length + 3015 sizeof(*page_header))) 3016 page_size = page_header->page_length + 3017 sizeof(*page_header); 3018 3019 len = sizeof(*header10) + blk_desc_len + page_size; 3020 3021 len = min(params->alloc_len, len); 3022 3023 /* 3024 * Since the 6 byte parameter header is shorter than the 10 3025 * byte parameter header, we need to copy the actual mode 3026 * page data, and the block descriptor, if any, so things wind 3027 * up in the right place. The regions will overlap, but 3028 * bcopy() does the right thing. 3029 */ 3030 bcopy(params->mode_buf + sizeof(*header6), 3031 params->mode_buf + sizeof(*header10), 3032 len - sizeof(*header10)); 3033 3034 /* Make sure these fields are set correctly. */ 3035 scsi_ulto2b(0, header10->data_length); 3036 header10->medium_type = 0; 3037 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3038 3039 ccb->csio.dxfer_len = len; 3040 3041 scsi_ulto2b(len, ms10.length); 3042 ms10.control = ms6->control; 3043 bcopy(&ms10, cdb, 10); 3044 ccb->csio.cdb_len = 10; 3045 } 3046 3047 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3048 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3049 xpt_action(ccb); 3050 if (frozen) { 3051 cam_release_devq(ccb->ccb_h.path, 3052 /*relsim_flags*/0, 3053 /*openings*/0, 3054 /*timeout*/0, 3055 /*getcount_only*/0); 3056 } 3057 3058 return (ERESTART); 3059 } 3060 3061 static int 3062 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3063 { 3064 struct cd_softc *softc; 3065 struct cam_periph *periph; 3066 int error; 3067 3068 periph = xpt_path_periph(ccb->ccb_h.path); 3069 softc = (struct cd_softc *)periph->softc; 3070 3071 error = 0; 3072 3073 /* 3074 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3075 * CDB comes back with this particular error, try transforming it 3076 * into the 10 byte version. 3077 */ 3078 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3079 error = cd6byteworkaround(ccb); 3080 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3081 CAM_SCSI_STATUS_ERROR) 3082 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3083 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3084 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3085 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3086 int sense_key, error_code, asc, ascq; 3087 3088 scsi_extract_sense(&ccb->csio.sense_data, 3089 &error_code, &sense_key, &asc, &ascq); 3090 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3091 error = cd6byteworkaround(ccb); 3092 } 3093 3094 if (error == ERESTART) 3095 return (error); 3096 3097 /* 3098 * XXX 3099 * Until we have a better way of doing pack validation, 3100 * don't treat UAs as errors. 3101 */ 3102 sense_flags |= SF_RETRY_UA; 3103 return (cam_periph_error(ccb, cam_flags, sense_flags, 3104 &softc->saved_ccb)); 3105 } 3106 3107 /* 3108 * Read table of contents 3109 */ 3110 static int 3111 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3112 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3113 { 3114 struct scsi_read_toc *scsi_cmd; 3115 u_int32_t ntoc; 3116 struct ccb_scsiio *csio; 3117 union ccb *ccb; 3118 int error; 3119 3120 ntoc = len; 3121 error = 0; 3122 3123 ccb = cdgetccb(periph, /* priority */ 1); 3124 3125 csio = &ccb->csio; 3126 3127 cam_fill_csio(csio, 3128 /* retries */ 1, 3129 /* cbfcnp */ cddone, 3130 /* flags */ CAM_DIR_IN, 3131 /* tag_action */ MSG_SIMPLE_Q_TAG, 3132 /* data_ptr */ data, 3133 /* dxfer_len */ len, 3134 /* sense_len */ SSD_FULL_SIZE, 3135 sizeof(struct scsi_read_toc), 3136 /* timeout */ 50000); 3137 3138 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3139 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3140 3141 if (mode == CD_MSF_FORMAT) 3142 scsi_cmd->byte2 |= CD_MSF; 3143 scsi_cmd->from_track = start; 3144 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3145 scsi_cmd->data_len[0] = (ntoc) >> 8; 3146 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3147 3148 scsi_cmd->op_code = READ_TOC; 3149 3150 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3151 /*sense_flags*/SF_RETRY_UA | sense_flags); 3152 3153 xpt_release_ccb(ccb); 3154 3155 return(error); 3156 } 3157 3158 static int 3159 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3160 u_int32_t format, int track, 3161 struct cd_sub_channel_info *data, u_int32_t len) 3162 { 3163 struct scsi_read_subchannel *scsi_cmd; 3164 struct ccb_scsiio *csio; 3165 union ccb *ccb; 3166 int error; 3167 3168 error = 0; 3169 3170 ccb = cdgetccb(periph, /* priority */ 1); 3171 3172 csio = &ccb->csio; 3173 3174 cam_fill_csio(csio, 3175 /* retries */ 1, 3176 /* cbfcnp */ cddone, 3177 /* flags */ CAM_DIR_IN, 3178 /* tag_action */ MSG_SIMPLE_Q_TAG, 3179 /* data_ptr */ (u_int8_t *)data, 3180 /* dxfer_len */ len, 3181 /* sense_len */ SSD_FULL_SIZE, 3182 sizeof(struct scsi_read_subchannel), 3183 /* timeout */ 50000); 3184 3185 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3186 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3187 3188 scsi_cmd->op_code = READ_SUBCHANNEL; 3189 if (mode == CD_MSF_FORMAT) 3190 scsi_cmd->byte1 |= CD_MSF; 3191 scsi_cmd->byte2 = SRS_SUBQ; 3192 scsi_cmd->subchan_format = format; 3193 scsi_cmd->track = track; 3194 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3195 scsi_cmd->control = 0; 3196 3197 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3198 /*sense_flags*/SF_RETRY_UA); 3199 3200 xpt_release_ccb(ccb); 3201 3202 return(error); 3203 } 3204 3205 3206 /* 3207 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3208 * routine. See comments in cd6byteworkaround() for details. 3209 */ 3210 static int 3211 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3212 u_int32_t page) 3213 { 3214 struct ccb_scsiio *csio; 3215 struct cd_softc *softc; 3216 union ccb *ccb; 3217 int param_len; 3218 int error; 3219 3220 softc = (struct cd_softc *)periph->softc; 3221 3222 ccb = cdgetccb(periph, /* priority */ 1); 3223 3224 csio = &ccb->csio; 3225 3226 data->cdb_size = softc->minimum_command_size; 3227 if (data->cdb_size < 10) 3228 param_len = sizeof(struct cd_mode_data); 3229 else 3230 param_len = sizeof(struct cd_mode_data_10); 3231 3232 /* Don't say we've got more room than we actually allocated */ 3233 param_len = min(param_len, data->alloc_len); 3234 3235 scsi_mode_sense_len(csio, 3236 /* retries */ 1, 3237 /* cbfcnp */ cddone, 3238 /* tag_action */ MSG_SIMPLE_Q_TAG, 3239 /* dbd */ 0, 3240 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3241 /* page */ page, 3242 /* param_buf */ data->mode_buf, 3243 /* param_len */ param_len, 3244 /* minimum_cmd_size */ softc->minimum_command_size, 3245 /* sense_len */ SSD_FULL_SIZE, 3246 /* timeout */ 50000); 3247 3248 /* 3249 * It would be nice not to have to do this, but there's no 3250 * available pointer in the CCB that would allow us to stuff the 3251 * mode params structure in there and retrieve it in 3252 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3253 * lets the caller know what CDB size we ended up using, so they 3254 * can find the actual mode page offset. 3255 */ 3256 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3257 3258 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3259 /*sense_flags*/SF_RETRY_UA); 3260 3261 xpt_release_ccb(ccb); 3262 3263 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3264 3265 /* 3266 * This is a bit of belt-and-suspenders checking, but if we run 3267 * into a situation where the target sends back multiple block 3268 * descriptors, we might not have enough space in the buffer to 3269 * see the whole mode page. Better to return an error than 3270 * potentially access memory beyond our malloced region. 3271 */ 3272 if (error == 0) { 3273 u_int32_t data_len; 3274 3275 if (data->cdb_size == 10) { 3276 struct scsi_mode_header_10 *hdr10; 3277 3278 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3279 data_len = scsi_2btoul(hdr10->data_length); 3280 data_len += sizeof(hdr10->data_length); 3281 } else { 3282 struct scsi_mode_header_6 *hdr6; 3283 3284 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3285 data_len = hdr6->data_length; 3286 data_len += sizeof(hdr6->data_length); 3287 } 3288 3289 /* 3290 * Complain if there is more mode data available than we 3291 * allocated space for. This could potentially happen if 3292 * we miscalculated the page length for some reason, if the 3293 * drive returns multiple block descriptors, or if it sets 3294 * the data length incorrectly. 3295 */ 3296 if (data_len > data->alloc_len) { 3297 xpt_print_path(periph->path); 3298 printf("allocated modepage %d length %d < returned " 3299 "length %d\n", page, data->alloc_len, data_len); 3300 3301 error = ENOSPC; 3302 } 3303 } 3304 return (error); 3305 } 3306 3307 /* 3308 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3309 * routine. See comments in cd6byteworkaround() for details. 3310 */ 3311 static int 3312 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3313 { 3314 struct ccb_scsiio *csio; 3315 struct cd_softc *softc; 3316 union ccb *ccb; 3317 int cdb_size, param_len; 3318 int error; 3319 3320 softc = (struct cd_softc *)periph->softc; 3321 3322 ccb = cdgetccb(periph, /* priority */ 1); 3323 3324 csio = &ccb->csio; 3325 3326 error = 0; 3327 3328 /* 3329 * If the data is formatted for the 10 byte version of the mode 3330 * select parameter list, we need to use the 10 byte CDB. 3331 * Otherwise, we use whatever the stored minimum command size. 3332 */ 3333 if (data->cdb_size == 10) 3334 cdb_size = data->cdb_size; 3335 else 3336 cdb_size = softc->minimum_command_size; 3337 3338 if (cdb_size >= 10) { 3339 struct scsi_mode_header_10 *mode_header; 3340 u_int32_t data_len; 3341 3342 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3343 3344 data_len = scsi_2btoul(mode_header->data_length); 3345 3346 scsi_ulto2b(0, mode_header->data_length); 3347 /* 3348 * SONY drives do not allow a mode select with a medium_type 3349 * value that has just been returned by a mode sense; use a 3350 * medium_type of 0 (Default) instead. 3351 */ 3352 mode_header->medium_type = 0; 3353 3354 /* 3355 * Pass back whatever the drive passed to us, plus the size 3356 * of the data length field. 3357 */ 3358 param_len = data_len + sizeof(mode_header->data_length); 3359 3360 } else { 3361 struct scsi_mode_header_6 *mode_header; 3362 3363 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3364 3365 param_len = mode_header->data_length + 1; 3366 3367 mode_header->data_length = 0; 3368 /* 3369 * SONY drives do not allow a mode select with a medium_type 3370 * value that has just been returned by a mode sense; use a 3371 * medium_type of 0 (Default) instead. 3372 */ 3373 mode_header->medium_type = 0; 3374 } 3375 3376 /* Don't say we've got more room than we actually allocated */ 3377 param_len = min(param_len, data->alloc_len); 3378 3379 scsi_mode_select_len(csio, 3380 /* retries */ 1, 3381 /* cbfcnp */ cddone, 3382 /* tag_action */ MSG_SIMPLE_Q_TAG, 3383 /* scsi_page_fmt */ 1, 3384 /* save_pages */ 0, 3385 /* param_buf */ data->mode_buf, 3386 /* param_len */ param_len, 3387 /* minimum_cmd_size */ cdb_size, 3388 /* sense_len */ SSD_FULL_SIZE, 3389 /* timeout */ 50000); 3390 3391 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3392 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3393 3394 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3395 /*sense_flags*/SF_RETRY_UA); 3396 3397 xpt_release_ccb(ccb); 3398 3399 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3400 3401 return (error); 3402 } 3403 3404 3405 static int 3406 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3407 { 3408 struct ccb_scsiio *csio; 3409 union ccb *ccb; 3410 int error; 3411 u_int8_t cdb_len; 3412 3413 error = 0; 3414 ccb = cdgetccb(periph, /* priority */ 1); 3415 csio = &ccb->csio; 3416 /* 3417 * Use the smallest possible command to perform the operation. 3418 */ 3419 if ((len & 0xffff0000) == 0) { 3420 /* 3421 * We can fit in a 10 byte cdb. 3422 */ 3423 struct scsi_play_10 *scsi_cmd; 3424 3425 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3426 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3427 scsi_cmd->op_code = PLAY_10; 3428 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3429 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3430 cdb_len = sizeof(*scsi_cmd); 3431 } else { 3432 struct scsi_play_12 *scsi_cmd; 3433 3434 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3435 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3436 scsi_cmd->op_code = PLAY_12; 3437 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3438 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3439 cdb_len = sizeof(*scsi_cmd); 3440 } 3441 cam_fill_csio(csio, 3442 /*retries*/2, 3443 cddone, 3444 /*flags*/CAM_DIR_NONE, 3445 MSG_SIMPLE_Q_TAG, 3446 /*dataptr*/NULL, 3447 /*datalen*/0, 3448 /*sense_len*/SSD_FULL_SIZE, 3449 cdb_len, 3450 /*timeout*/50 * 1000); 3451 3452 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3453 /*sense_flags*/SF_RETRY_UA); 3454 3455 xpt_release_ccb(ccb); 3456 3457 return(error); 3458 } 3459 3460 static int 3461 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3462 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3463 { 3464 struct scsi_play_msf *scsi_cmd; 3465 struct ccb_scsiio *csio; 3466 union ccb *ccb; 3467 int error; 3468 3469 error = 0; 3470 3471 ccb = cdgetccb(periph, /* priority */ 1); 3472 3473 csio = &ccb->csio; 3474 3475 cam_fill_csio(csio, 3476 /* retries */ 1, 3477 /* cbfcnp */ cddone, 3478 /* flags */ CAM_DIR_NONE, 3479 /* tag_action */ MSG_SIMPLE_Q_TAG, 3480 /* data_ptr */ NULL, 3481 /* dxfer_len */ 0, 3482 /* sense_len */ SSD_FULL_SIZE, 3483 sizeof(struct scsi_play_msf), 3484 /* timeout */ 50000); 3485 3486 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3487 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3488 3489 scsi_cmd->op_code = PLAY_MSF; 3490 scsi_cmd->start_m = startm; 3491 scsi_cmd->start_s = starts; 3492 scsi_cmd->start_f = startf; 3493 scsi_cmd->end_m = endm; 3494 scsi_cmd->end_s = ends; 3495 scsi_cmd->end_f = endf; 3496 3497 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3498 /*sense_flags*/SF_RETRY_UA); 3499 3500 xpt_release_ccb(ccb); 3501 3502 return(error); 3503 } 3504 3505 3506 static int 3507 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3508 u_int32_t etrack, u_int32_t eindex) 3509 { 3510 struct scsi_play_track *scsi_cmd; 3511 struct ccb_scsiio *csio; 3512 union ccb *ccb; 3513 int error; 3514 3515 error = 0; 3516 3517 ccb = cdgetccb(periph, /* priority */ 1); 3518 3519 csio = &ccb->csio; 3520 3521 cam_fill_csio(csio, 3522 /* retries */ 1, 3523 /* cbfcnp */ cddone, 3524 /* flags */ CAM_DIR_NONE, 3525 /* tag_action */ MSG_SIMPLE_Q_TAG, 3526 /* data_ptr */ NULL, 3527 /* dxfer_len */ 0, 3528 /* sense_len */ SSD_FULL_SIZE, 3529 sizeof(struct scsi_play_track), 3530 /* timeout */ 50000); 3531 3532 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3533 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3534 3535 scsi_cmd->op_code = PLAY_TRACK; 3536 scsi_cmd->start_track = strack; 3537 scsi_cmd->start_index = sindex; 3538 scsi_cmd->end_track = etrack; 3539 scsi_cmd->end_index = eindex; 3540 3541 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3542 /*sense_flags*/SF_RETRY_UA); 3543 3544 xpt_release_ccb(ccb); 3545 3546 return(error); 3547 } 3548 3549 static int 3550 cdpause(struct cam_periph *periph, u_int32_t go) 3551 { 3552 struct scsi_pause *scsi_cmd; 3553 struct ccb_scsiio *csio; 3554 union ccb *ccb; 3555 int error; 3556 3557 error = 0; 3558 3559 ccb = cdgetccb(periph, /* priority */ 1); 3560 3561 csio = &ccb->csio; 3562 3563 cam_fill_csio(csio, 3564 /* retries */ 1, 3565 /* cbfcnp */ cddone, 3566 /* flags */ CAM_DIR_NONE, 3567 /* tag_action */ MSG_SIMPLE_Q_TAG, 3568 /* data_ptr */ NULL, 3569 /* dxfer_len */ 0, 3570 /* sense_len */ SSD_FULL_SIZE, 3571 sizeof(struct scsi_pause), 3572 /* timeout */ 50000); 3573 3574 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3575 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3576 3577 scsi_cmd->op_code = PAUSE; 3578 scsi_cmd->resume = go; 3579 3580 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3581 /*sense_flags*/SF_RETRY_UA); 3582 3583 xpt_release_ccb(ccb); 3584 3585 return(error); 3586 } 3587 3588 static int 3589 cdstartunit(struct cam_periph *periph, int load) 3590 { 3591 union ccb *ccb; 3592 int error; 3593 3594 error = 0; 3595 3596 ccb = cdgetccb(periph, /* priority */ 1); 3597 3598 scsi_start_stop(&ccb->csio, 3599 /* retries */ 1, 3600 /* cbfcnp */ cddone, 3601 /* tag_action */ MSG_SIMPLE_Q_TAG, 3602 /* start */ TRUE, 3603 /* load_eject */ load, 3604 /* immediate */ FALSE, 3605 /* sense_len */ SSD_FULL_SIZE, 3606 /* timeout */ 50000); 3607 3608 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3609 /*sense_flags*/SF_RETRY_UA); 3610 3611 xpt_release_ccb(ccb); 3612 3613 return(error); 3614 } 3615 3616 static int 3617 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3618 { 3619 union ccb *ccb; 3620 int error; 3621 3622 error = 0; 3623 3624 ccb = cdgetccb(periph, /* priority */ 1); 3625 3626 scsi_start_stop(&ccb->csio, 3627 /* retries */ 1, 3628 /* cbfcnp */ cddone, 3629 /* tag_action */ MSG_SIMPLE_Q_TAG, 3630 /* start */ FALSE, 3631 /* load_eject */ eject, 3632 /* immediate */ FALSE, 3633 /* sense_len */ SSD_FULL_SIZE, 3634 /* timeout */ 50000); 3635 3636 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3637 /*sense_flags*/SF_RETRY_UA); 3638 3639 xpt_release_ccb(ccb); 3640 3641 return(error); 3642 } 3643 3644 static int 3645 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3646 { 3647 struct scsi_set_speed *scsi_cmd; 3648 struct ccb_scsiio *csio; 3649 union ccb *ccb; 3650 int error; 3651 3652 error = 0; 3653 ccb = cdgetccb(periph, /* priority */ 1); 3654 csio = &ccb->csio; 3655 3656 /* Preserve old behavior: units in multiples of CDROM speed */ 3657 if (rdspeed < 177) 3658 rdspeed *= 177; 3659 if (wrspeed < 177) 3660 wrspeed *= 177; 3661 3662 cam_fill_csio(csio, 3663 /* retries */ 1, 3664 /* cbfcnp */ cddone, 3665 /* flags */ CAM_DIR_NONE, 3666 /* tag_action */ MSG_SIMPLE_Q_TAG, 3667 /* data_ptr */ NULL, 3668 /* dxfer_len */ 0, 3669 /* sense_len */ SSD_FULL_SIZE, 3670 sizeof(struct scsi_set_speed), 3671 /* timeout */ 50000); 3672 3673 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3674 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3675 3676 scsi_cmd->opcode = SET_CD_SPEED; 3677 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3678 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3679 3680 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3681 /*sense_flags*/SF_RETRY_UA); 3682 3683 xpt_release_ccb(ccb); 3684 3685 return(error); 3686 } 3687 3688 static int 3689 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3690 { 3691 union ccb *ccb; 3692 u_int8_t *databuf; 3693 u_int32_t lba; 3694 int error; 3695 int length; 3696 3697 error = 0; 3698 databuf = NULL; 3699 lba = 0; 3700 3701 ccb = cdgetccb(periph, /* priority */ 1); 3702 3703 switch (authinfo->format) { 3704 case DVD_REPORT_AGID: 3705 length = sizeof(struct scsi_report_key_data_agid); 3706 break; 3707 case DVD_REPORT_CHALLENGE: 3708 length = sizeof(struct scsi_report_key_data_challenge); 3709 break; 3710 case DVD_REPORT_KEY1: 3711 length = sizeof(struct scsi_report_key_data_key1_key2); 3712 break; 3713 case DVD_REPORT_TITLE_KEY: 3714 length = sizeof(struct scsi_report_key_data_title); 3715 /* The lba field is only set for the title key */ 3716 lba = authinfo->lba; 3717 break; 3718 case DVD_REPORT_ASF: 3719 length = sizeof(struct scsi_report_key_data_asf); 3720 break; 3721 case DVD_REPORT_RPC: 3722 length = sizeof(struct scsi_report_key_data_rpc); 3723 break; 3724 case DVD_INVALIDATE_AGID: 3725 length = 0; 3726 break; 3727 default: 3728 error = EINVAL; 3729 goto bailout; 3730 break; /* NOTREACHED */ 3731 } 3732 3733 if (length != 0) { 3734 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3735 } else 3736 databuf = NULL; 3737 3738 3739 scsi_report_key(&ccb->csio, 3740 /* retries */ 1, 3741 /* cbfcnp */ cddone, 3742 /* tag_action */ MSG_SIMPLE_Q_TAG, 3743 /* lba */ lba, 3744 /* agid */ authinfo->agid, 3745 /* key_format */ authinfo->format, 3746 /* data_ptr */ databuf, 3747 /* dxfer_len */ length, 3748 /* sense_len */ SSD_FULL_SIZE, 3749 /* timeout */ 50000); 3750 3751 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3752 /*sense_flags*/SF_RETRY_UA); 3753 3754 if (error != 0) 3755 goto bailout; 3756 3757 if (ccb->csio.resid != 0) { 3758 xpt_print_path(periph->path); 3759 printf("warning, residual for report key command is %d\n", 3760 ccb->csio.resid); 3761 } 3762 3763 switch(authinfo->format) { 3764 case DVD_REPORT_AGID: { 3765 struct scsi_report_key_data_agid *agid_data; 3766 3767 agid_data = (struct scsi_report_key_data_agid *)databuf; 3768 3769 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3770 RKD_AGID_SHIFT; 3771 break; 3772 } 3773 case DVD_REPORT_CHALLENGE: { 3774 struct scsi_report_key_data_challenge *chal_data; 3775 3776 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3777 3778 bcopy(chal_data->challenge_key, authinfo->keychal, 3779 min(sizeof(chal_data->challenge_key), 3780 sizeof(authinfo->keychal))); 3781 break; 3782 } 3783 case DVD_REPORT_KEY1: { 3784 struct scsi_report_key_data_key1_key2 *key1_data; 3785 3786 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3787 3788 bcopy(key1_data->key1, authinfo->keychal, 3789 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3790 break; 3791 } 3792 case DVD_REPORT_TITLE_KEY: { 3793 struct scsi_report_key_data_title *title_data; 3794 3795 title_data = (struct scsi_report_key_data_title *)databuf; 3796 3797 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3798 RKD_TITLE_CPM_SHIFT; 3799 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3800 RKD_TITLE_CP_SEC_SHIFT; 3801 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3802 RKD_TITLE_CMGS_SHIFT; 3803 bcopy(title_data->title_key, authinfo->keychal, 3804 min(sizeof(title_data->title_key), 3805 sizeof(authinfo->keychal))); 3806 break; 3807 } 3808 case DVD_REPORT_ASF: { 3809 struct scsi_report_key_data_asf *asf_data; 3810 3811 asf_data = (struct scsi_report_key_data_asf *)databuf; 3812 3813 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3814 break; 3815 } 3816 case DVD_REPORT_RPC: { 3817 struct scsi_report_key_data_rpc *rpc_data; 3818 3819 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3820 3821 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3822 RKD_RPC_TYPE_SHIFT; 3823 authinfo->vend_rsts = 3824 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3825 RKD_RPC_VENDOR_RESET_SHIFT; 3826 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3827 authinfo->region = rpc_data->region_mask; 3828 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3829 break; 3830 } 3831 case DVD_INVALIDATE_AGID: 3832 break; 3833 default: 3834 /* This should be impossible, since we checked above */ 3835 error = EINVAL; 3836 goto bailout; 3837 break; /* NOTREACHED */ 3838 } 3839 bailout: 3840 if (databuf != NULL) 3841 free(databuf, M_DEVBUF); 3842 3843 xpt_release_ccb(ccb); 3844 3845 return(error); 3846 } 3847 3848 static int 3849 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3850 { 3851 union ccb *ccb; 3852 u_int8_t *databuf; 3853 int length; 3854 int error; 3855 3856 error = 0; 3857 databuf = NULL; 3858 3859 ccb = cdgetccb(periph, /* priority */ 1); 3860 3861 switch(authinfo->format) { 3862 case DVD_SEND_CHALLENGE: { 3863 struct scsi_report_key_data_challenge *challenge_data; 3864 3865 length = sizeof(*challenge_data); 3866 3867 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3868 3869 databuf = (u_int8_t *)challenge_data; 3870 3871 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3872 challenge_data->data_len); 3873 3874 bcopy(authinfo->keychal, challenge_data->challenge_key, 3875 min(sizeof(authinfo->keychal), 3876 sizeof(challenge_data->challenge_key))); 3877 break; 3878 } 3879 case DVD_SEND_KEY2: { 3880 struct scsi_report_key_data_key1_key2 *key2_data; 3881 3882 length = sizeof(*key2_data); 3883 3884 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3885 3886 databuf = (u_int8_t *)key2_data; 3887 3888 scsi_ulto2b(length - sizeof(key2_data->data_len), 3889 key2_data->data_len); 3890 3891 bcopy(authinfo->keychal, key2_data->key1, 3892 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3893 3894 break; 3895 } 3896 case DVD_SEND_RPC: { 3897 struct scsi_send_key_data_rpc *rpc_data; 3898 3899 length = sizeof(*rpc_data); 3900 3901 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3902 3903 databuf = (u_int8_t *)rpc_data; 3904 3905 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3906 rpc_data->data_len); 3907 3908 rpc_data->region_code = authinfo->region; 3909 break; 3910 } 3911 default: 3912 error = EINVAL; 3913 goto bailout; 3914 break; /* NOTREACHED */ 3915 } 3916 3917 scsi_send_key(&ccb->csio, 3918 /* retries */ 1, 3919 /* cbfcnp */ cddone, 3920 /* tag_action */ MSG_SIMPLE_Q_TAG, 3921 /* agid */ authinfo->agid, 3922 /* key_format */ authinfo->format, 3923 /* data_ptr */ databuf, 3924 /* dxfer_len */ length, 3925 /* sense_len */ SSD_FULL_SIZE, 3926 /* timeout */ 50000); 3927 3928 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3929 /*sense_flags*/SF_RETRY_UA); 3930 3931 bailout: 3932 3933 if (databuf != NULL) 3934 free(databuf, M_DEVBUF); 3935 3936 xpt_release_ccb(ccb); 3937 3938 return(error); 3939 } 3940 3941 static int 3942 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3943 { 3944 union ccb *ccb; 3945 u_int8_t *databuf; 3946 u_int32_t address; 3947 int error; 3948 int length; 3949 3950 error = 0; 3951 databuf = NULL; 3952 /* The address is reserved for many of the formats */ 3953 address = 0; 3954 3955 ccb = cdgetccb(periph, /* priority */ 1); 3956 3957 switch(dvdstruct->format) { 3958 case DVD_STRUCT_PHYSICAL: 3959 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3960 break; 3961 case DVD_STRUCT_COPYRIGHT: 3962 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3963 break; 3964 case DVD_STRUCT_DISCKEY: 3965 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3966 break; 3967 case DVD_STRUCT_BCA: 3968 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3969 break; 3970 case DVD_STRUCT_MANUFACT: 3971 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3972 break; 3973 case DVD_STRUCT_CMI: 3974 error = ENODEV; 3975 goto bailout; 3976 #ifdef notyet 3977 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3978 address = dvdstruct->address; 3979 #endif 3980 break; /* NOTREACHED */ 3981 case DVD_STRUCT_PROTDISCID: 3982 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3983 break; 3984 case DVD_STRUCT_DISCKEYBLOCK: 3985 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3986 break; 3987 case DVD_STRUCT_DDS: 3988 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3989 break; 3990 case DVD_STRUCT_MEDIUM_STAT: 3991 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3992 break; 3993 case DVD_STRUCT_SPARE_AREA: 3994 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3995 break; 3996 case DVD_STRUCT_RMD_LAST: 3997 error = ENODEV; 3998 goto bailout; 3999 #ifdef notyet 4000 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4001 address = dvdstruct->address; 4002 #endif 4003 break; /* NOTREACHED */ 4004 case DVD_STRUCT_RMD_RMA: 4005 error = ENODEV; 4006 goto bailout; 4007 #ifdef notyet 4008 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4009 address = dvdstruct->address; 4010 #endif 4011 break; /* NOTREACHED */ 4012 case DVD_STRUCT_PRERECORDED: 4013 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4014 break; 4015 case DVD_STRUCT_UNIQUEID: 4016 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4017 break; 4018 case DVD_STRUCT_DCB: 4019 error = ENODEV; 4020 goto bailout; 4021 #ifdef notyet 4022 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4023 address = dvdstruct->address; 4024 #endif 4025 break; /* NOTREACHED */ 4026 case DVD_STRUCT_LIST: 4027 /* 4028 * This is the maximum allocation length for the READ DVD 4029 * STRUCTURE command. There's nothing in the MMC3 spec 4030 * that indicates a limit in the amount of data that can 4031 * be returned from this call, other than the limits 4032 * imposed by the 2-byte length variables. 4033 */ 4034 length = 65535; 4035 break; 4036 default: 4037 error = EINVAL; 4038 goto bailout; 4039 break; /* NOTREACHED */ 4040 } 4041 4042 if (length != 0) { 4043 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4044 } else 4045 databuf = NULL; 4046 4047 scsi_read_dvd_structure(&ccb->csio, 4048 /* retries */ 1, 4049 /* cbfcnp */ cddone, 4050 /* tag_action */ MSG_SIMPLE_Q_TAG, 4051 /* lba */ address, 4052 /* layer_number */ dvdstruct->layer_num, 4053 /* key_format */ dvdstruct->format, 4054 /* agid */ dvdstruct->agid, 4055 /* data_ptr */ databuf, 4056 /* dxfer_len */ length, 4057 /* sense_len */ SSD_FULL_SIZE, 4058 /* timeout */ 50000); 4059 4060 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4061 /*sense_flags*/SF_RETRY_UA); 4062 4063 if (error != 0) 4064 goto bailout; 4065 4066 switch(dvdstruct->format) { 4067 case DVD_STRUCT_PHYSICAL: { 4068 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4069 struct dvd_layer *outlayer; 4070 struct scsi_read_dvd_struct_data_physical *phys_data; 4071 4072 phys_data = 4073 (struct scsi_read_dvd_struct_data_physical *)databuf; 4074 inlayer = &phys_data->layer_desc; 4075 outlayer = (struct dvd_layer *)&dvdstruct->data; 4076 4077 dvdstruct->length = sizeof(*inlayer); 4078 4079 outlayer->book_type = (inlayer->book_type_version & 4080 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4081 outlayer->book_version = (inlayer->book_type_version & 4082 RDSD_BOOK_VERSION_MASK); 4083 outlayer->disc_size = (inlayer->disc_size_max_rate & 4084 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4085 outlayer->max_rate = (inlayer->disc_size_max_rate & 4086 RDSD_MAX_RATE_MASK); 4087 outlayer->nlayers = (inlayer->layer_info & 4088 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4089 outlayer->track_path = (inlayer->layer_info & 4090 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4091 outlayer->layer_type = (inlayer->layer_info & 4092 RDSD_LAYER_TYPE_MASK); 4093 outlayer->linear_density = (inlayer->density & 4094 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4095 outlayer->track_density = (inlayer->density & 4096 RDSD_TRACK_DENSITY_MASK); 4097 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4098 RDSD_BCA_SHIFT; 4099 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4100 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4101 outlayer->end_sector_l0 = 4102 scsi_3btoul(inlayer->end_sector_layer0); 4103 break; 4104 } 4105 case DVD_STRUCT_COPYRIGHT: { 4106 struct scsi_read_dvd_struct_data_copyright *copy_data; 4107 4108 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4109 databuf; 4110 4111 dvdstruct->cpst = copy_data->cps_type; 4112 dvdstruct->rmi = copy_data->region_info; 4113 dvdstruct->length = 0; 4114 4115 break; 4116 } 4117 default: 4118 /* 4119 * Tell the user what the overall length is, no matter 4120 * what we can actually fit in the data buffer. 4121 */ 4122 dvdstruct->length = length - ccb->csio.resid - 4123 sizeof(struct scsi_read_dvd_struct_data_header); 4124 4125 /* 4126 * But only actually copy out the smaller of what we read 4127 * in or what the structure can take. 4128 */ 4129 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4130 dvdstruct->data, 4131 min(sizeof(dvdstruct->data), dvdstruct->length)); 4132 break; 4133 } 4134 bailout: 4135 4136 if (databuf != NULL) 4137 free(databuf, M_DEVBUF); 4138 4139 xpt_release_ccb(ccb); 4140 4141 return(error); 4142 } 4143 4144 void 4145 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4146 void (*cbfcnp)(struct cam_periph *, union ccb *), 4147 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4148 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4149 u_int8_t sense_len, u_int32_t timeout) 4150 { 4151 struct scsi_report_key *scsi_cmd; 4152 4153 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4154 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4155 scsi_cmd->opcode = REPORT_KEY; 4156 scsi_ulto4b(lba, scsi_cmd->lba); 4157 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4158 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4159 (key_format & RK_KF_KEYFORMAT_MASK); 4160 4161 cam_fill_csio(csio, 4162 retries, 4163 cbfcnp, 4164 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4165 tag_action, 4166 /*data_ptr*/ data_ptr, 4167 /*dxfer_len*/ dxfer_len, 4168 sense_len, 4169 sizeof(*scsi_cmd), 4170 timeout); 4171 } 4172 4173 void 4174 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4175 void (*cbfcnp)(struct cam_periph *, union ccb *), 4176 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4177 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4178 u_int32_t timeout) 4179 { 4180 struct scsi_send_key *scsi_cmd; 4181 4182 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4183 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4184 scsi_cmd->opcode = SEND_KEY; 4185 4186 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4187 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4188 (key_format & RK_KF_KEYFORMAT_MASK); 4189 4190 cam_fill_csio(csio, 4191 retries, 4192 cbfcnp, 4193 /*flags*/ CAM_DIR_OUT, 4194 tag_action, 4195 /*data_ptr*/ data_ptr, 4196 /*dxfer_len*/ dxfer_len, 4197 sense_len, 4198 sizeof(*scsi_cmd), 4199 timeout); 4200 } 4201 4202 4203 void 4204 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4205 void (*cbfcnp)(struct cam_periph *, union ccb *), 4206 u_int8_t tag_action, u_int32_t address, 4207 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4208 u_int8_t *data_ptr, u_int32_t dxfer_len, 4209 u_int8_t sense_len, u_int32_t timeout) 4210 { 4211 struct scsi_read_dvd_structure *scsi_cmd; 4212 4213 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4214 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4215 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4216 4217 scsi_ulto4b(address, scsi_cmd->address); 4218 scsi_cmd->layer_number = layer_number; 4219 scsi_cmd->format = format; 4220 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4221 /* The AGID is the top two bits of this byte */ 4222 scsi_cmd->agid = agid << 6; 4223 4224 cam_fill_csio(csio, 4225 retries, 4226 cbfcnp, 4227 /*flags*/ CAM_DIR_IN, 4228 tag_action, 4229 /*data_ptr*/ data_ptr, 4230 /*dxfer_len*/ dxfer_len, 4231 sense_len, 4232 sizeof(*scsi_cmd), 4233 timeout); 4234 } 4235