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 disk_gone(softc->disk); 411 xpt_print_path(periph->path); 412 printf("lost device\n"); 413 } 414 415 static void 416 cdcleanup(struct cam_periph *periph) 417 { 418 struct cd_softc *softc; 419 int s; 420 421 softc = (struct cd_softc *)periph->softc; 422 423 xpt_print_path(periph->path); 424 printf("removing device entry\n"); 425 426 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 427 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 428 xpt_print_path(periph->path); 429 printf("can't remove sysctl context\n"); 430 } 431 432 s = splsoftcam(); 433 /* 434 * In the queued, non-active case, the device in question 435 * has already been removed from the changer run queue. Since this 436 * device is active, we need to de-activate it, and schedule 437 * another device to run. (if there is another one to run) 438 */ 439 if ((softc->flags & CD_FLAG_CHANGER) 440 && (softc->flags & CD_FLAG_ACTIVE)) { 441 442 /* 443 * The purpose of the short timeout is soley to determine 444 * whether the current device has finished or not. Well, 445 * since we're removing the active device, we know that it 446 * is finished. So, get rid of the short timeout. 447 * Otherwise, if we're in the time period before the short 448 * timeout fires, and there are no other devices in the 449 * queue to run, there won't be any other device put in the 450 * active slot. i.e., when we call cdrunchangerqueue() 451 * below, it won't do anything. Then, when the short 452 * timeout fires, it'll look at the "current device", which 453 * we are free below, and possibly panic the kernel on a 454 * bogus pointer reference. 455 * 456 * The long timeout doesn't really matter, since we 457 * decrement the qfrozen_cnt to indicate that there is 458 * nothing in the active slot now. Therefore, there won't 459 * be any bogus pointer references there. 460 */ 461 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 462 untimeout(cdshorttimeout, softc->changer, 463 softc->changer->short_handle); 464 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 465 } 466 softc->changer->devq.qfrozen_cnt--; 467 softc->changer->flags |= CHANGER_MANUAL_CALL; 468 cdrunchangerqueue(softc->changer); 469 } 470 471 /* 472 * If we're removing the last device on the changer, go ahead and 473 * remove the changer device structure. 474 */ 475 if ((softc->flags & CD_FLAG_CHANGER) 476 && (--softc->changer->num_devices == 0)) { 477 478 /* 479 * Theoretically, there shouldn't be any timeouts left, but 480 * I'm not completely sure that that will be the case. So, 481 * it won't hurt to check and see if there are any left. 482 */ 483 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 484 untimeout(cdrunchangerqueue, softc->changer, 485 softc->changer->long_handle); 486 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 487 } 488 489 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 490 untimeout(cdshorttimeout, softc->changer, 491 softc->changer->short_handle); 492 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 493 } 494 495 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 496 changer_links); 497 xpt_print_path(periph->path); 498 printf("removing changer entry\n"); 499 free(softc->changer, M_DEVBUF); 500 num_changers--; 501 } 502 disk_destroy(softc->disk); 503 free(softc, M_DEVBUF); 504 splx(s); 505 } 506 507 static void 508 cdasync(void *callback_arg, u_int32_t code, 509 struct cam_path *path, void *arg) 510 { 511 struct cam_periph *periph; 512 513 periph = (struct cam_periph *)callback_arg; 514 switch (code) { 515 case AC_FOUND_DEVICE: 516 { 517 struct ccb_getdev *cgd; 518 cam_status status; 519 520 cgd = (struct ccb_getdev *)arg; 521 if (cgd == NULL) 522 break; 523 524 if (SID_TYPE(&cgd->inq_data) != T_CDROM 525 && SID_TYPE(&cgd->inq_data) != T_WORM) 526 break; 527 528 /* 529 * Allocate a peripheral instance for 530 * this device and start the probe 531 * process. 532 */ 533 status = cam_periph_alloc(cdregister, cdoninvalidate, 534 cdcleanup, cdstart, 535 "cd", CAM_PERIPH_BIO, 536 cgd->ccb_h.path, cdasync, 537 AC_FOUND_DEVICE, cgd); 538 539 if (status != CAM_REQ_CMP 540 && status != CAM_REQ_INPROG) 541 printf("cdasync: Unable to attach new device " 542 "due to status 0x%x\n", status); 543 544 break; 545 } 546 case AC_SENT_BDR: 547 case AC_BUS_RESET: 548 { 549 struct cd_softc *softc; 550 struct ccb_hdr *ccbh; 551 int s; 552 553 softc = (struct cd_softc *)periph->softc; 554 s = splsoftcam(); 555 /* 556 * Don't fail on the expected unit attention 557 * that will occur. 558 */ 559 softc->flags |= CD_FLAG_RETRY_UA; 560 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 561 ccbh->ccb_state |= CD_CCB_RETRY_UA; 562 splx(s); 563 /* FALLTHROUGH */ 564 } 565 default: 566 cam_periph_async(periph, code, path, arg); 567 break; 568 } 569 } 570 571 static void 572 cdsysctlinit(void *context, int pending) 573 { 574 struct cam_periph *periph; 575 struct cd_softc *softc; 576 char tmpstr[80], tmpstr2[80]; 577 578 periph = (struct cam_periph *)context; 579 softc = (struct cd_softc *)periph->softc; 580 581 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 582 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 583 584 mtx_lock(&Giant); 585 586 sysctl_ctx_init(&softc->sysctl_ctx); 587 softc->flags |= CD_FLAG_SCTX_INIT; 588 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 589 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 590 tmpstr2, CTLFLAG_RD, 0, tmpstr); 591 592 if (softc->sysctl_tree == NULL) { 593 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 594 return; 595 } 596 597 /* 598 * Now register the sysctl handler, so the user can the value on 599 * the fly. 600 */ 601 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 602 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 603 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 604 "Minimum CDB size"); 605 606 mtx_unlock(&Giant); 607 } 608 609 /* 610 * We have a handler function for this so we can check the values when the 611 * user sets them, instead of every time we look at them. 612 */ 613 static int 614 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 615 { 616 int error, value; 617 618 value = *(int *)arg1; 619 620 error = sysctl_handle_int(oidp, &value, 0, req); 621 622 if ((error != 0) 623 || (req->newptr == NULL)) 624 return (error); 625 626 /* 627 * The only real values we can have here are 6 or 10. I don't 628 * really forsee having 12 be an option at any time in the future. 629 * So if the user sets something less than or equal to 6, we'll set 630 * it to 6. If he sets something greater than 6, we'll set it to 10. 631 * 632 * I suppose we could just return an error here for the wrong values, 633 * but I don't think it's necessary to do so, as long as we can 634 * determine the user's intent without too much trouble. 635 */ 636 if (value < 6) 637 value = 6; 638 else if (value > 6) 639 value = 10; 640 641 *(int *)arg1 = value; 642 643 return (0); 644 } 645 646 static cam_status 647 cdregister(struct cam_periph *periph, void *arg) 648 { 649 struct cd_softc *softc; 650 struct ccb_setasync csa; 651 struct ccb_pathinq cpi; 652 struct ccb_getdev *cgd; 653 char tmpstr[80]; 654 caddr_t match; 655 656 cgd = (struct ccb_getdev *)arg; 657 if (periph == NULL) { 658 printf("cdregister: periph was NULL!!\n"); 659 return(CAM_REQ_CMP_ERR); 660 } 661 if (cgd == NULL) { 662 printf("cdregister: no getdev CCB, can't register device\n"); 663 return(CAM_REQ_CMP_ERR); 664 } 665 666 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 667 668 if (softc == NULL) { 669 printf("cdregister: Unable to probe new device. " 670 "Unable to allocate softc\n"); 671 return(CAM_REQ_CMP_ERR); 672 } 673 674 bzero(softc, sizeof(*softc)); 675 LIST_INIT(&softc->pending_ccbs); 676 STAILQ_INIT(&softc->mode_queue); 677 softc->state = CD_STATE_PROBE; 678 bioq_init(&softc->bio_queue); 679 if (SID_IS_REMOVABLE(&cgd->inq_data)) 680 softc->flags |= CD_FLAG_DISC_REMOVABLE; 681 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 682 softc->flags |= CD_FLAG_TAGGED_QUEUING; 683 684 periph->softc = softc; 685 softc->periph = periph; 686 687 /* 688 * See if this device has any quirks. 689 */ 690 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 691 (caddr_t)cd_quirk_table, 692 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 693 sizeof(*cd_quirk_table), scsi_inquiry_match); 694 695 if (match != NULL) 696 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 697 else 698 softc->quirks = CD_Q_NONE; 699 700 /* Check if the SIM does not want 6 byte commands */ 701 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 702 cpi.ccb_h.func_code = XPT_PATH_INQ; 703 xpt_action((union ccb *)&cpi); 704 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 705 softc->quirks |= CD_Q_10_BYTE_ONLY; 706 707 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 708 709 /* The default is 6 byte commands, unless quirked otherwise */ 710 if (softc->quirks & CD_Q_10_BYTE_ONLY) 711 softc->minimum_command_size = 10; 712 else 713 softc->minimum_command_size = 6; 714 715 /* 716 * Load the user's default, if any. 717 */ 718 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 719 periph->unit_number); 720 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 721 722 /* 6 and 10 are the only permissible values here. */ 723 if (softc->minimum_command_size < 6) 724 softc->minimum_command_size = 6; 725 else if (softc->minimum_command_size > 6) 726 softc->minimum_command_size = 10; 727 728 /* 729 * We need to register the statistics structure for this device, 730 * but we don't have the blocksize yet for it. So, we register 731 * the structure and indicate that we don't have the blocksize 732 * yet. Unlike other SCSI peripheral drivers, we explicitly set 733 * the device type here to be CDROM, rather than just ORing in 734 * the device type. This is because this driver can attach to either 735 * CDROM or WORM devices, and we want this peripheral driver to 736 * show up in the devstat list as a CD peripheral driver, not a 737 * WORM peripheral driver. WORM drives will also have the WORM 738 * driver attached to them. 739 */ 740 softc->disk = disk_alloc(); 741 softc->disk->d_devstat = devstat_new_entry("cd", 742 periph->unit_number, 0, 743 DEVSTAT_BS_UNAVAILABLE, 744 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 745 DEVSTAT_PRIORITY_CD); 746 softc->disk->d_open = cdopen; 747 softc->disk->d_close = cdclose; 748 softc->disk->d_strategy = cdstrategy; 749 softc->disk->d_ioctl = cdioctl; 750 softc->disk->d_name = "cd"; 751 softc->disk->d_unit = periph->unit_number; 752 softc->disk->d_drv1 = periph; 753 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 754 disk_create(softc->disk, DISK_VERSION); 755 756 /* 757 * Add an async callback so that we get 758 * notified if this device goes away. 759 */ 760 xpt_setup_ccb(&csa.ccb_h, periph->path, 761 /* priority */ 5); 762 csa.ccb_h.func_code = XPT_SASYNC_CB; 763 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 764 csa.callback = cdasync; 765 csa.callback_arg = periph; 766 xpt_action((union ccb *)&csa); 767 768 /* 769 * If the target lun is greater than 0, we most likely have a CD 770 * changer device. Check the quirk entries as well, though, just 771 * in case someone has a CD tower with one lun per drive or 772 * something like that. Also, if we know up front that a 773 * particular device is a changer, we can mark it as such starting 774 * with lun 0, instead of lun 1. It shouldn't be necessary to have 775 * a quirk entry to define something as a changer, however. 776 */ 777 if (((cgd->ccb_h.target_lun > 0) 778 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 779 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 780 struct cdchanger *nchanger; 781 struct cam_periph *nperiph; 782 struct cam_path *path; 783 cam_status status; 784 int found; 785 786 /* Set the changer flag in the current device's softc */ 787 softc->flags |= CD_FLAG_CHANGER; 788 789 if (num_changers == 0) 790 STAILQ_INIT(&changerq); 791 792 /* 793 * Now, look around for an existing changer device with the 794 * same path and target ID as the current device. 795 */ 796 for (found = 0, 797 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 798 nchanger != NULL; 799 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 800 if ((nchanger->path_id == cgd->ccb_h.path_id) 801 && (nchanger->target_id == cgd->ccb_h.target_id)) { 802 found = 1; 803 break; 804 } 805 } 806 807 /* 808 * If we found a matching entry, just add this device to 809 * the list of devices on this changer. 810 */ 811 if (found == 1) { 812 struct chdevlist *chlunhead; 813 814 chlunhead = &nchanger->chluns; 815 816 /* 817 * XXX KDM look at consolidating this code with the 818 * code below in a separate function. 819 */ 820 821 /* 822 * Create a path with lun id 0, and see if we can 823 * find a matching device 824 */ 825 status = xpt_create_path(&path, /*periph*/ periph, 826 cgd->ccb_h.path_id, 827 cgd->ccb_h.target_id, 0); 828 829 if ((status == CAM_REQ_CMP) 830 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 831 struct cd_softc *nsoftc; 832 833 nsoftc = (struct cd_softc *)nperiph->softc; 834 835 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 836 nsoftc->flags |= CD_FLAG_CHANGER; 837 nchanger->num_devices++; 838 if (camq_resize(&nchanger->devq, 839 nchanger->num_devices)!=CAM_REQ_CMP){ 840 printf("cdregister: " 841 "camq_resize " 842 "failed, changer " 843 "support may " 844 "be messed up\n"); 845 } 846 nsoftc->changer = nchanger; 847 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 848 849 STAILQ_INSERT_TAIL(&nchanger->chluns, 850 nsoftc,changer_links); 851 } 852 xpt_free_path(path); 853 } else if (status == CAM_REQ_CMP) 854 xpt_free_path(path); 855 else { 856 printf("cdregister: unable to allocate path\n" 857 "cdregister: changer support may be " 858 "broken\n"); 859 } 860 861 nchanger->num_devices++; 862 863 softc->changer = nchanger; 864 softc->pinfo.index = CAM_UNQUEUED_INDEX; 865 866 if (camq_resize(&nchanger->devq, 867 nchanger->num_devices) != CAM_REQ_CMP) { 868 printf("cdregister: camq_resize " 869 "failed, changer support may " 870 "be messed up\n"); 871 } 872 873 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 874 } 875 /* 876 * In this case, we don't already have an entry for this 877 * particular changer, so we need to create one, add it to 878 * the queue, and queue this device on the list for this 879 * changer. Before we queue this device, however, we need 880 * to search for lun id 0 on this target, and add it to the 881 * queue first, if it exists. (and if it hasn't already 882 * been marked as part of the changer.) 883 */ 884 else { 885 nchanger = malloc(sizeof(struct cdchanger), 886 M_DEVBUF, M_NOWAIT); 887 888 if (nchanger == NULL) { 889 softc->flags &= ~CD_FLAG_CHANGER; 890 printf("cdregister: unable to malloc " 891 "changer structure\ncdregister: " 892 "changer support disabled\n"); 893 894 /* 895 * Yes, gotos can be gross but in this case 896 * I think it's justified.. 897 */ 898 goto cdregisterexit; 899 } 900 901 /* zero the structure */ 902 bzero(nchanger, sizeof(struct cdchanger)); 903 904 if (camq_init(&nchanger->devq, 1) != 0) { 905 softc->flags &= ~CD_FLAG_CHANGER; 906 printf("cdregister: changer support " 907 "disabled\n"); 908 goto cdregisterexit; 909 } 910 911 num_changers++; 912 913 nchanger->path_id = cgd->ccb_h.path_id; 914 nchanger->target_id = cgd->ccb_h.target_id; 915 916 /* this is superfluous, but it makes things clearer */ 917 nchanger->num_devices = 0; 918 919 STAILQ_INIT(&nchanger->chluns); 920 921 STAILQ_INSERT_TAIL(&changerq, nchanger, 922 changer_links); 923 924 /* 925 * Create a path with lun id 0, and see if we can 926 * find a matching device 927 */ 928 status = xpt_create_path(&path, /*periph*/ periph, 929 cgd->ccb_h.path_id, 930 cgd->ccb_h.target_id, 0); 931 932 /* 933 * If we were able to allocate the path, and if we 934 * find a matching device and it isn't already 935 * marked as part of a changer, then we add it to 936 * the current changer. 937 */ 938 if ((status == CAM_REQ_CMP) 939 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 940 && ((((struct cd_softc *)periph->softc)->flags & 941 CD_FLAG_CHANGER) == 0)) { 942 struct cd_softc *nsoftc; 943 944 nsoftc = (struct cd_softc *)nperiph->softc; 945 946 nsoftc->flags |= CD_FLAG_CHANGER; 947 nchanger->num_devices++; 948 if (camq_resize(&nchanger->devq, 949 nchanger->num_devices) != CAM_REQ_CMP) { 950 printf("cdregister: camq_resize " 951 "failed, changer support may " 952 "be messed up\n"); 953 } 954 nsoftc->changer = nchanger; 955 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 956 957 STAILQ_INSERT_TAIL(&nchanger->chluns, 958 nsoftc, changer_links); 959 xpt_free_path(path); 960 } else if (status == CAM_REQ_CMP) 961 xpt_free_path(path); 962 else { 963 printf("cdregister: unable to allocate path\n" 964 "cdregister: changer support may be " 965 "broken\n"); 966 } 967 968 softc->changer = nchanger; 969 softc->pinfo.index = CAM_UNQUEUED_INDEX; 970 nchanger->num_devices++; 971 if (camq_resize(&nchanger->devq, 972 nchanger->num_devices) != CAM_REQ_CMP) { 973 printf("cdregister: camq_resize " 974 "failed, changer support may " 975 "be messed up\n"); 976 } 977 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 978 changer_links); 979 } 980 } 981 982 cdregisterexit: 983 984 /* Lock this peripheral until we are setup */ 985 /* Can't block */ 986 cam_periph_lock(periph, PRIBIO); 987 988 if ((softc->flags & CD_FLAG_CHANGER) == 0) 989 xpt_schedule(periph, /*priority*/5); 990 else 991 cdschedule(periph, /*priority*/ 5); 992 993 return(CAM_REQ_CMP); 994 } 995 996 static int 997 cdopen(struct disk *dp) 998 { 999 struct cam_periph *periph; 1000 struct cd_softc *softc; 1001 int error; 1002 int s; 1003 1004 periph = (struct cam_periph *)dp->d_drv1; 1005 if (periph == NULL) 1006 return (ENXIO); 1007 1008 softc = (struct cd_softc *)periph->softc; 1009 1010 /* 1011 * Grab splsoftcam and hold it until we lock the peripheral. 1012 */ 1013 s = splsoftcam(); 1014 if (softc->flags & CD_FLAG_INVALID) { 1015 splx(s); 1016 return(ENXIO); 1017 } 1018 1019 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1020 splx(s); 1021 return (error); 1022 } 1023 1024 splx(s); 1025 1026 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1027 return(ENXIO); 1028 1029 /* 1030 * Check for media, and set the appropriate flags. We don't bail 1031 * if we don't have media, but then we don't allow anything but the 1032 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1033 */ 1034 cdcheckmedia(periph); 1035 1036 cam_periph_unlock(periph); 1037 1038 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1039 1040 return (error); 1041 } 1042 1043 static int 1044 cdclose(struct disk *dp) 1045 { 1046 struct cam_periph *periph; 1047 struct cd_softc *softc; 1048 int error; 1049 1050 periph = (struct cam_periph *)dp->d_drv1; 1051 if (periph == NULL) 1052 return (ENXIO); 1053 1054 softc = (struct cd_softc *)periph->softc; 1055 1056 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1057 return (error); 1058 1059 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1060 cdprevent(periph, PR_ALLOW); 1061 1062 /* 1063 * Since we're closing this CD, mark the blocksize as unavailable. 1064 * It will be marked as available when the CD is opened again. 1065 */ 1066 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1067 1068 /* 1069 * We'll check the media and toc again at the next open(). 1070 */ 1071 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1072 1073 cam_periph_unlock(periph); 1074 cam_periph_release(periph); 1075 1076 return (0); 1077 } 1078 1079 static void 1080 cdshorttimeout(void *arg) 1081 { 1082 struct cdchanger *changer; 1083 int s; 1084 1085 s = splsoftcam(); 1086 1087 changer = (struct cdchanger *)arg; 1088 1089 /* Always clear the short timeout flag, since that's what we're in */ 1090 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1091 1092 /* 1093 * Check to see if there is any more pending or outstanding I/O for 1094 * this device. If not, move it out of the active slot. 1095 */ 1096 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1097 && (changer->cur_device->outstanding_cmds == 0)) { 1098 changer->flags |= CHANGER_MANUAL_CALL; 1099 cdrunchangerqueue(changer); 1100 } 1101 1102 splx(s); 1103 } 1104 1105 /* 1106 * This is a wrapper for xpt_schedule. It only applies to changers. 1107 */ 1108 static void 1109 cdschedule(struct cam_periph *periph, int priority) 1110 { 1111 struct cd_softc *softc; 1112 int s; 1113 1114 s = splsoftcam(); 1115 1116 softc = (struct cd_softc *)periph->softc; 1117 1118 /* 1119 * If this device isn't currently queued, and if it isn't 1120 * the active device, then we queue this device and run the 1121 * changer queue if there is no timeout scheduled to do it. 1122 * If this device is the active device, just schedule it 1123 * to run again. If this device is queued, there should be 1124 * a timeout in place already that will make sure it runs. 1125 */ 1126 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1127 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1128 /* 1129 * We don't do anything with the priority here. 1130 * This is strictly a fifo queue. 1131 */ 1132 softc->pinfo.priority = 1; 1133 softc->pinfo.generation = ++softc->changer->devq.generation; 1134 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1135 1136 /* 1137 * Since we just put a device in the changer queue, 1138 * check and see if there is a timeout scheduled for 1139 * this changer. If so, let the timeout handle 1140 * switching this device into the active slot. If 1141 * not, manually call the timeout routine to 1142 * bootstrap things. 1143 */ 1144 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1145 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1146 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1147 softc->changer->flags |= CHANGER_MANUAL_CALL; 1148 cdrunchangerqueue(softc->changer); 1149 } 1150 } else if ((softc->flags & CD_FLAG_ACTIVE) 1151 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1152 xpt_schedule(periph, priority); 1153 1154 splx(s); 1155 1156 } 1157 1158 static void 1159 cdrunchangerqueue(void *arg) 1160 { 1161 struct cd_softc *softc; 1162 struct cdchanger *changer; 1163 int called_from_timeout; 1164 int s; 1165 1166 s = splsoftcam(); 1167 1168 changer = (struct cdchanger *)arg; 1169 1170 /* 1171 * If we have NOT been called from cdstrategy() or cddone(), and 1172 * instead from a timeout routine, go ahead and clear the 1173 * timeout flag. 1174 */ 1175 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1176 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1177 called_from_timeout = 1; 1178 } else 1179 called_from_timeout = 0; 1180 1181 /* Always clear the manual call flag */ 1182 changer->flags &= ~CHANGER_MANUAL_CALL; 1183 1184 /* nothing to do if the queue is empty */ 1185 if (changer->devq.entries <= 0) { 1186 splx(s); 1187 return; 1188 } 1189 1190 /* 1191 * If the changer queue is frozen, that means we have an active 1192 * device. 1193 */ 1194 if (changer->devq.qfrozen_cnt > 0) { 1195 1196 if (changer->cur_device->outstanding_cmds > 0) { 1197 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1198 changer->cur_device->bufs_left = 1199 changer->cur_device->outstanding_cmds; 1200 if (called_from_timeout) { 1201 changer->long_handle = 1202 timeout(cdrunchangerqueue, changer, 1203 changer_max_busy_seconds * hz); 1204 changer->flags |= CHANGER_TIMEOUT_SCHED; 1205 } 1206 splx(s); 1207 return; 1208 } 1209 1210 /* 1211 * We always need to reset the frozen count and clear the 1212 * active flag. 1213 */ 1214 changer->devq.qfrozen_cnt--; 1215 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1216 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1217 1218 /* 1219 * Check to see whether the current device has any I/O left 1220 * to do. If so, requeue it at the end of the queue. If 1221 * not, there is no need to requeue it. 1222 */ 1223 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1224 1225 changer->cur_device->pinfo.generation = 1226 ++changer->devq.generation; 1227 camq_insert(&changer->devq, 1228 (cam_pinfo *)changer->cur_device); 1229 } 1230 } 1231 1232 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1233 1234 changer->cur_device = softc; 1235 1236 changer->devq.qfrozen_cnt++; 1237 softc->flags |= CD_FLAG_ACTIVE; 1238 1239 /* Just in case this device is waiting */ 1240 wakeup(&softc->changer); 1241 xpt_schedule(softc->periph, /*priority*/ 1); 1242 1243 /* 1244 * Get rid of any pending timeouts, and set a flag to schedule new 1245 * ones so this device gets its full time quantum. 1246 */ 1247 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1248 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1249 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1250 } 1251 1252 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1253 untimeout(cdshorttimeout, changer, changer->short_handle); 1254 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1255 } 1256 1257 /* 1258 * We need to schedule timeouts, but we only do this after the 1259 * first transaction has completed. This eliminates the changer 1260 * switch time. 1261 */ 1262 changer->flags |= CHANGER_NEED_TIMEOUT; 1263 1264 splx(s); 1265 } 1266 1267 static void 1268 cdchangerschedule(struct cd_softc *softc) 1269 { 1270 struct cdchanger *changer; 1271 int s; 1272 1273 s = splsoftcam(); 1274 1275 changer = softc->changer; 1276 1277 /* 1278 * If this is a changer, and this is the current device, 1279 * and this device has at least the minimum time quantum to 1280 * run, see if we can switch it out. 1281 */ 1282 if ((softc->flags & CD_FLAG_ACTIVE) 1283 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1284 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1285 /* 1286 * We try three things here. The first is that we 1287 * check to see whether the schedule on completion 1288 * flag is set. If it is, we decrement the number 1289 * of buffers left, and if it's zero, we reschedule. 1290 * Next, we check to see whether the pending buffer 1291 * queue is empty and whether there are no 1292 * outstanding transactions. If so, we reschedule. 1293 * Next, we see if the pending buffer queue is empty. 1294 * If it is, we set the number of buffers left to 1295 * the current active buffer count and set the 1296 * schedule on complete flag. 1297 */ 1298 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1299 if (--softc->bufs_left == 0) { 1300 softc->changer->flags |= 1301 CHANGER_MANUAL_CALL; 1302 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1303 cdrunchangerqueue(softc->changer); 1304 } 1305 } else if ((bioq_first(&softc->bio_queue) == NULL) 1306 && (softc->outstanding_cmds == 0)) { 1307 softc->changer->flags |= CHANGER_MANUAL_CALL; 1308 cdrunchangerqueue(softc->changer); 1309 } 1310 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1311 && (softc->flags & CD_FLAG_ACTIVE)) { 1312 1313 /* 1314 * Now that the first transaction to this 1315 * particular device has completed, we can go ahead 1316 * and schedule our timeouts. 1317 */ 1318 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1319 changer->long_handle = 1320 timeout(cdrunchangerqueue, changer, 1321 changer_max_busy_seconds * hz); 1322 changer->flags |= CHANGER_TIMEOUT_SCHED; 1323 } else 1324 printf("cdchangerschedule: already have a long" 1325 " timeout!\n"); 1326 1327 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1328 changer->short_handle = 1329 timeout(cdshorttimeout, changer, 1330 changer_min_busy_seconds * hz); 1331 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1332 } else 1333 printf("cdchangerschedule: already have a short " 1334 "timeout!\n"); 1335 1336 /* 1337 * We just scheduled timeouts, no need to schedule 1338 * more. 1339 */ 1340 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1341 1342 } 1343 splx(s); 1344 } 1345 1346 static int 1347 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1348 u_int32_t cam_flags, 1349 u_int32_t sense_flags), 1350 u_int32_t cam_flags, u_int32_t sense_flags) 1351 { 1352 struct cd_softc *softc; 1353 struct cam_periph *periph; 1354 int error; 1355 1356 periph = xpt_path_periph(ccb->ccb_h.path); 1357 softc = (struct cd_softc *)periph->softc; 1358 1359 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1360 softc->disk->d_devstat); 1361 1362 if (softc->flags & CD_FLAG_CHANGER) 1363 cdchangerschedule(softc); 1364 1365 return(error); 1366 } 1367 1368 static union ccb * 1369 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1370 { 1371 struct cd_softc *softc; 1372 int s; 1373 1374 softc = (struct cd_softc *)periph->softc; 1375 1376 if (softc->flags & CD_FLAG_CHANGER) { 1377 1378 s = splsoftcam(); 1379 1380 /* 1381 * This should work the first time this device is woken up, 1382 * but just in case it doesn't, we use a while loop. 1383 */ 1384 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1385 /* 1386 * If this changer isn't already queued, queue it up. 1387 */ 1388 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1389 softc->pinfo.priority = 1; 1390 softc->pinfo.generation = 1391 ++softc->changer->devq.generation; 1392 camq_insert(&softc->changer->devq, 1393 (cam_pinfo *)softc); 1394 } 1395 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1396 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1397 && ((softc->changer->flags 1398 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1399 softc->changer->flags |= CHANGER_MANUAL_CALL; 1400 cdrunchangerqueue(softc->changer); 1401 } else 1402 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1403 } 1404 splx(s); 1405 } 1406 return(cam_periph_getccb(periph, priority)); 1407 } 1408 1409 1410 /* 1411 * Actually translate the requested transfer into one the physical driver 1412 * can understand. The transfer is described by a buf and will include 1413 * only one physical transfer. 1414 */ 1415 static void 1416 cdstrategy(struct bio *bp) 1417 { 1418 struct cam_periph *periph; 1419 struct cd_softc *softc; 1420 int s; 1421 1422 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1423 if (periph == NULL) { 1424 biofinish(bp, NULL, ENXIO); 1425 return; 1426 } 1427 1428 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1429 1430 softc = (struct cd_softc *)periph->softc; 1431 1432 /* 1433 * Mask interrupts so that the pack cannot be invalidated until 1434 * after we are in the queue. Otherwise, we might not properly 1435 * clean up one of the buffers. 1436 */ 1437 s = splbio(); 1438 1439 /* 1440 * If the device has been made invalid, error out 1441 */ 1442 if ((softc->flags & CD_FLAG_INVALID)) { 1443 splx(s); 1444 biofinish(bp, NULL, ENXIO); 1445 return; 1446 } 1447 1448 /* 1449 * If we don't have valid media, look for it before trying to 1450 * schedule the I/O. 1451 */ 1452 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1453 int error; 1454 1455 error = cdcheckmedia(periph); 1456 if (error != 0) { 1457 splx(s); 1458 biofinish(bp, NULL, error); 1459 return; 1460 } 1461 } 1462 1463 /* 1464 * Place it in the queue of disk activities for this disk 1465 */ 1466 bioq_disksort(&softc->bio_queue, bp); 1467 1468 splx(s); 1469 1470 /* 1471 * Schedule ourselves for performing the work. We do things 1472 * differently for changers. 1473 */ 1474 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1475 xpt_schedule(periph, /* XXX priority */1); 1476 else 1477 cdschedule(periph, /* priority */ 1); 1478 1479 return; 1480 } 1481 1482 static void 1483 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1484 { 1485 struct cd_softc *softc; 1486 struct bio *bp; 1487 struct ccb_scsiio *csio; 1488 struct scsi_read_capacity_data *rcap; 1489 int s; 1490 1491 softc = (struct cd_softc *)periph->softc; 1492 1493 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1494 1495 switch (softc->state) { 1496 case CD_STATE_NORMAL: 1497 { 1498 int oldspl; 1499 1500 s = splbio(); 1501 bp = bioq_first(&softc->bio_queue); 1502 if (periph->immediate_priority <= periph->pinfo.priority) { 1503 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1504 1505 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1506 periph_links.sle); 1507 periph->immediate_priority = CAM_PRIORITY_NONE; 1508 splx(s); 1509 wakeup(&periph->ccb_list); 1510 } else if (bp == NULL) { 1511 splx(s); 1512 xpt_release_ccb(start_ccb); 1513 } else { 1514 bioq_remove(&softc->bio_queue, bp); 1515 1516 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1517 1518 scsi_read_write(&start_ccb->csio, 1519 /*retries*/4, 1520 /* cbfcnp */ cddone, 1521 MSG_SIMPLE_Q_TAG, 1522 /* read */bp->bio_cmd == BIO_READ, 1523 /* byte2 */ 0, 1524 /* minimum_cmd_size */ 10, 1525 /* lba */ bp->bio_offset / 1526 softc->params.blksize, 1527 bp->bio_bcount / softc->params.blksize, 1528 /* data_ptr */ bp->bio_data, 1529 /* dxfer_len */ bp->bio_bcount, 1530 /* sense_len */ SSD_FULL_SIZE, 1531 /* timeout */ 30000); 1532 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1533 1534 1535 /* 1536 * Block out any asyncronous callbacks 1537 * while we touch the pending ccb list. 1538 */ 1539 oldspl = splcam(); 1540 LIST_INSERT_HEAD(&softc->pending_ccbs, 1541 &start_ccb->ccb_h, periph_links.le); 1542 softc->outstanding_cmds++; 1543 splx(oldspl); 1544 1545 /* We expect a unit attention from this device */ 1546 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1547 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1548 softc->flags &= ~CD_FLAG_RETRY_UA; 1549 } 1550 1551 start_ccb->ccb_h.ccb_bp = bp; 1552 bp = bioq_first(&softc->bio_queue); 1553 splx(s); 1554 1555 xpt_action(start_ccb); 1556 } 1557 if (bp != NULL) { 1558 /* Have more work to do, so ensure we stay scheduled */ 1559 xpt_schedule(periph, /* XXX priority */1); 1560 } 1561 break; 1562 } 1563 case CD_STATE_PROBE: 1564 { 1565 1566 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1567 M_TEMP, 1568 M_NOWAIT); 1569 if (rcap == NULL) { 1570 xpt_print_path(periph->path); 1571 printf("cdstart: Couldn't malloc read_capacity data\n"); 1572 /* cd_free_periph??? */ 1573 break; 1574 } 1575 csio = &start_ccb->csio; 1576 scsi_read_capacity(csio, 1577 /*retries*/1, 1578 cddone, 1579 MSG_SIMPLE_Q_TAG, 1580 rcap, 1581 SSD_FULL_SIZE, 1582 /*timeout*/20000); 1583 start_ccb->ccb_h.ccb_bp = NULL; 1584 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1585 xpt_action(start_ccb); 1586 break; 1587 } 1588 } 1589 } 1590 1591 static void 1592 cddone(struct cam_periph *periph, union ccb *done_ccb) 1593 { 1594 struct cd_softc *softc; 1595 struct ccb_scsiio *csio; 1596 1597 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1598 1599 softc = (struct cd_softc *)periph->softc; 1600 csio = &done_ccb->csio; 1601 1602 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1603 case CD_CCB_BUFFER_IO: 1604 { 1605 struct bio *bp; 1606 int error; 1607 int oldspl; 1608 1609 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1610 error = 0; 1611 1612 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1613 int sf; 1614 1615 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1616 sf = SF_RETRY_UA; 1617 else 1618 sf = 0; 1619 1620 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1621 if (error == ERESTART) { 1622 /* 1623 * A retry was scheuled, so 1624 * just return. 1625 */ 1626 return; 1627 } 1628 } 1629 1630 if (error != 0) { 1631 int s; 1632 1633 xpt_print_path(periph->path); 1634 printf("cddone: got error %#x back\n", error); 1635 s = splbio(); 1636 bioq_flush(&softc->bio_queue, NULL, EIO); 1637 splx(s); 1638 bp->bio_resid = bp->bio_bcount; 1639 bp->bio_error = error; 1640 bp->bio_flags |= BIO_ERROR; 1641 cam_release_devq(done_ccb->ccb_h.path, 1642 /*relsim_flags*/0, 1643 /*reduction*/0, 1644 /*timeout*/0, 1645 /*getcount_only*/0); 1646 1647 } else { 1648 bp->bio_resid = csio->resid; 1649 bp->bio_error = 0; 1650 if (bp->bio_resid != 0) { 1651 /* 1652 * Short transfer ??? 1653 * XXX: not sure this is correct for partial 1654 * transfers at EOM 1655 */ 1656 bp->bio_flags |= BIO_ERROR; 1657 } 1658 } 1659 1660 /* 1661 * Block out any asyncronous callbacks 1662 * while we touch the pending ccb list. 1663 */ 1664 oldspl = splcam(); 1665 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1666 softc->outstanding_cmds--; 1667 splx(oldspl); 1668 1669 if (softc->flags & CD_FLAG_CHANGER) 1670 cdchangerschedule(softc); 1671 1672 biofinish(bp, NULL, 0); 1673 break; 1674 } 1675 case CD_CCB_PROBE: 1676 { 1677 struct scsi_read_capacity_data *rdcap; 1678 char announce_buf[120]; /* 1679 * Currently (9/30/97) the 1680 * longest possible announce 1681 * buffer is 108 bytes, for the 1682 * first error case below. 1683 * That is 39 bytes for the 1684 * basic string, 16 bytes for the 1685 * biggest sense key (hardware 1686 * error), 52 bytes for the 1687 * text of the largest sense 1688 * qualifier valid for a CDROM, 1689 * (0x72, 0x03 or 0x04, 1690 * 0x03), and one byte for the 1691 * null terminating character. 1692 * To allow for longer strings, 1693 * the announce buffer is 120 1694 * bytes. 1695 */ 1696 struct cd_params *cdp; 1697 1698 cdp = &softc->params; 1699 1700 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1701 1702 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1703 cdp->blksize = scsi_4btoul (rdcap->length); 1704 1705 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1706 1707 snprintf(announce_buf, sizeof(announce_buf), 1708 "cd present [%lu x %lu byte records]", 1709 cdp->disksize, (u_long)cdp->blksize); 1710 1711 } else { 1712 int error; 1713 /* 1714 * Retry any UNIT ATTENTION type errors. They 1715 * are expected at boot. 1716 */ 1717 error = cderror(done_ccb, CAM_RETRY_SELTO, 1718 SF_RETRY_UA | SF_NO_PRINT); 1719 if (error == ERESTART) { 1720 /* 1721 * A retry was scheuled, so 1722 * just return. 1723 */ 1724 return; 1725 } else if (error != 0) { 1726 1727 struct scsi_sense_data *sense; 1728 int asc, ascq; 1729 int sense_key, error_code; 1730 int have_sense; 1731 cam_status status; 1732 struct ccb_getdev cgd; 1733 1734 /* Don't wedge this device's queue */ 1735 cam_release_devq(done_ccb->ccb_h.path, 1736 /*relsim_flags*/0, 1737 /*reduction*/0, 1738 /*timeout*/0, 1739 /*getcount_only*/0); 1740 1741 status = done_ccb->ccb_h.status; 1742 1743 xpt_setup_ccb(&cgd.ccb_h, 1744 done_ccb->ccb_h.path, 1745 /* priority */ 1); 1746 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1747 xpt_action((union ccb *)&cgd); 1748 1749 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1750 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1751 || ((status & CAM_AUTOSNS_VALID) == 0)) 1752 have_sense = FALSE; 1753 else 1754 have_sense = TRUE; 1755 1756 if (have_sense) { 1757 sense = &csio->sense_data; 1758 scsi_extract_sense(sense, &error_code, 1759 &sense_key, 1760 &asc, &ascq); 1761 } 1762 /* 1763 * Attach to anything that claims to be a 1764 * CDROM or WORM device, as long as it 1765 * doesn't return a "Logical unit not 1766 * supported" (0x25) error. 1767 */ 1768 if ((have_sense) && (asc != 0x25) 1769 && (error_code == SSD_CURRENT_ERROR)) { 1770 const char *sense_key_desc; 1771 const char *asc_desc; 1772 1773 scsi_sense_desc(sense_key, asc, ascq, 1774 &cgd.inq_data, 1775 &sense_key_desc, 1776 &asc_desc); 1777 snprintf(announce_buf, 1778 sizeof(announce_buf), 1779 "Attempt to query device " 1780 "size failed: %s, %s", 1781 sense_key_desc, 1782 asc_desc); 1783 } else if ((have_sense == 0) 1784 && ((status & CAM_STATUS_MASK) == 1785 CAM_SCSI_STATUS_ERROR) 1786 && (csio->scsi_status == 1787 SCSI_STATUS_BUSY)) { 1788 snprintf(announce_buf, 1789 sizeof(announce_buf), 1790 "Attempt to query device " 1791 "size failed: SCSI Status: %s", 1792 scsi_status_string(csio)); 1793 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1794 /* 1795 * We only print out an error for 1796 * CDROM type devices. For WORM 1797 * devices, we don't print out an 1798 * error since a few WORM devices 1799 * don't support CDROM commands. 1800 * If we have sense information, go 1801 * ahead and print it out. 1802 * Otherwise, just say that we 1803 * couldn't attach. 1804 */ 1805 1806 /* 1807 * Just print out the error, not 1808 * the full probe message, when we 1809 * don't attach. 1810 */ 1811 if (have_sense) 1812 scsi_sense_print( 1813 &done_ccb->csio); 1814 else { 1815 xpt_print_path(periph->path); 1816 printf("got CAM status %#x\n", 1817 done_ccb->ccb_h.status); 1818 } 1819 xpt_print_path(periph->path); 1820 printf("fatal error, failed" 1821 " to attach to device\n"); 1822 1823 /* 1824 * Invalidate this peripheral. 1825 */ 1826 cam_periph_invalidate(periph); 1827 1828 announce_buf[0] = '\0'; 1829 } else { 1830 1831 /* 1832 * Invalidate this peripheral. 1833 */ 1834 cam_periph_invalidate(periph); 1835 announce_buf[0] = '\0'; 1836 } 1837 } 1838 } 1839 free(rdcap, M_TEMP); 1840 if (announce_buf[0] != '\0') { 1841 xpt_announce_periph(periph, announce_buf); 1842 if (softc->flags & CD_FLAG_CHANGER) 1843 cdchangerschedule(softc); 1844 /* 1845 * Create our sysctl variables, now that we know 1846 * we have successfully attached. 1847 */ 1848 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1849 } 1850 softc->state = CD_STATE_NORMAL; 1851 /* 1852 * Since our peripheral may be invalidated by an error 1853 * above or an external event, we must release our CCB 1854 * before releasing the probe lock on the peripheral. 1855 * The peripheral will only go away once the last lock 1856 * is removed, and we need it around for the CCB release 1857 * operation. 1858 */ 1859 xpt_release_ccb(done_ccb); 1860 cam_periph_unlock(periph); 1861 return; 1862 } 1863 case CD_CCB_WAITING: 1864 { 1865 /* Caller will release the CCB */ 1866 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1867 ("trying to wakeup ccbwait\n")); 1868 1869 wakeup(&done_ccb->ccb_h.cbfcnp); 1870 return; 1871 } 1872 default: 1873 break; 1874 } 1875 xpt_release_ccb(done_ccb); 1876 } 1877 1878 static union cd_pages * 1879 cdgetpage(struct cd_mode_params *mode_params) 1880 { 1881 union cd_pages *page; 1882 1883 if (mode_params->cdb_size == 10) 1884 page = (union cd_pages *)find_mode_page_10( 1885 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1886 else 1887 page = (union cd_pages *)find_mode_page_6( 1888 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1889 1890 return (page); 1891 } 1892 1893 static int 1894 cdgetpagesize(int page_num) 1895 { 1896 int i; 1897 1898 for (i = 0; i < (sizeof(cd_page_size_table)/ 1899 sizeof(cd_page_size_table[0])); i++) { 1900 if (cd_page_size_table[i].page == page_num) 1901 return (cd_page_size_table[i].page_size); 1902 } 1903 1904 return (-1); 1905 } 1906 1907 static int 1908 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1909 { 1910 1911 struct cam_periph *periph; 1912 struct cd_softc *softc; 1913 int error, nocopyout; 1914 1915 periph = (struct cam_periph *)dp->d_drv1; 1916 if (periph == NULL) 1917 return(ENXIO); 1918 1919 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1920 1921 softc = (struct cd_softc *)periph->softc; 1922 1923 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1924 ("trying to do ioctl %#lx\n", cmd)); 1925 1926 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1927 1928 if (error != 0) 1929 return(error); 1930 /* 1931 * If we don't have media loaded, check for it. If still don't 1932 * have media loaded, we can only do a load or eject. 1933 * 1934 * We only care whether media is loaded if this is a cd-specific ioctl 1935 * (thus the IOCGROUP check below). Note that this will break if 1936 * anyone adds any ioctls into the switch statement below that don't 1937 * have their ioctl group set to 'c'. 1938 */ 1939 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1940 && ((cmd != CDIOCCLOSE) 1941 && (cmd != CDIOCEJECT)) 1942 && (IOCGROUP(cmd) == 'c')) { 1943 error = cdcheckmedia(periph); 1944 if (error != 0) { 1945 cam_periph_unlock(periph); 1946 return (error); 1947 } 1948 } 1949 1950 nocopyout = 0; 1951 switch (cmd) { 1952 1953 case CDIOCPLAYTRACKS: 1954 { 1955 struct ioc_play_track *args 1956 = (struct ioc_play_track *) addr; 1957 struct cd_mode_params params; 1958 union cd_pages *page; 1959 1960 params.alloc_len = sizeof(union cd_mode_data_6_10); 1961 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1962 M_WAITOK | M_ZERO); 1963 1964 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1965 ("trying to do CDIOCPLAYTRACKS\n")); 1966 1967 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1968 if (error) { 1969 free(params.mode_buf, M_TEMP); 1970 break; 1971 } 1972 page = cdgetpage(¶ms); 1973 1974 page->audio.flags &= ~CD_PA_SOTC; 1975 page->audio.flags |= CD_PA_IMMED; 1976 error = cdsetmode(periph, ¶ms); 1977 free(params.mode_buf, M_TEMP); 1978 if (error) 1979 break; 1980 1981 /* 1982 * This was originally implemented with the PLAY 1983 * AUDIO TRACK INDEX command, but that command was 1984 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1985 * drives support it but ATAPI and ATAPI-derivative 1986 * drives don't seem to support it. So we keep a 1987 * cache of the table of contents and translate 1988 * track numbers to MSF format. 1989 */ 1990 if (softc->flags & CD_FLAG_VALID_TOC) { 1991 union msf_lba *sentry, *eentry; 1992 int st, et; 1993 1994 if (args->end_track < 1995 softc->toc.header.ending_track + 1) 1996 args->end_track++; 1997 if (args->end_track > 1998 softc->toc.header.ending_track + 1) 1999 args->end_track = 2000 softc->toc.header.ending_track + 1; 2001 st = args->start_track - 2002 softc->toc.header.starting_track; 2003 et = args->end_track - 2004 softc->toc.header.starting_track; 2005 if ((st < 0) 2006 || (et < 0) 2007 || (st > (softc->toc.header.ending_track - 2008 softc->toc.header.starting_track))) { 2009 error = EINVAL; 2010 break; 2011 } 2012 sentry = &softc->toc.entries[st].addr; 2013 eentry = &softc->toc.entries[et].addr; 2014 error = cdplaymsf(periph, 2015 sentry->msf.minute, 2016 sentry->msf.second, 2017 sentry->msf.frame, 2018 eentry->msf.minute, 2019 eentry->msf.second, 2020 eentry->msf.frame); 2021 } else { 2022 /* 2023 * If we don't have a valid TOC, try the 2024 * play track index command. It is part of 2025 * the SCSI-2 spec, but was removed in the 2026 * MMC specs. ATAPI and ATAPI-derived 2027 * drives don't support it. 2028 */ 2029 if (softc->quirks & CD_Q_BCD_TRACKS) { 2030 args->start_track = 2031 bin2bcd(args->start_track); 2032 args->end_track = 2033 bin2bcd(args->end_track); 2034 } 2035 error = cdplaytracks(periph, 2036 args->start_track, 2037 args->start_index, 2038 args->end_track, 2039 args->end_index); 2040 } 2041 } 2042 break; 2043 case CDIOCPLAYMSF: 2044 { 2045 struct ioc_play_msf *args 2046 = (struct ioc_play_msf *) addr; 2047 struct cd_mode_params params; 2048 union cd_pages *page; 2049 2050 params.alloc_len = sizeof(union cd_mode_data_6_10); 2051 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2052 M_WAITOK | M_ZERO); 2053 2054 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2055 ("trying to do CDIOCPLAYMSF\n")); 2056 2057 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2058 if (error) { 2059 free(params.mode_buf, M_TEMP); 2060 break; 2061 } 2062 page = cdgetpage(¶ms); 2063 2064 page->audio.flags &= ~CD_PA_SOTC; 2065 page->audio.flags |= CD_PA_IMMED; 2066 error = cdsetmode(periph, ¶ms); 2067 free(params.mode_buf, M_TEMP); 2068 if (error) 2069 break; 2070 error = cdplaymsf(periph, 2071 args->start_m, 2072 args->start_s, 2073 args->start_f, 2074 args->end_m, 2075 args->end_s, 2076 args->end_f); 2077 } 2078 break; 2079 case CDIOCPLAYBLOCKS: 2080 { 2081 struct ioc_play_blocks *args 2082 = (struct ioc_play_blocks *) addr; 2083 struct cd_mode_params params; 2084 union cd_pages *page; 2085 2086 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2087 ("trying to do CDIOCPLAYBLOCKS\n")); 2088 2089 params.alloc_len = sizeof(union cd_mode_data_6_10); 2090 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2091 M_WAITOK | M_ZERO); 2092 2093 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2094 if (error) { 2095 free(params.mode_buf, M_TEMP); 2096 break; 2097 } 2098 page = cdgetpage(¶ms); 2099 2100 page->audio.flags &= ~CD_PA_SOTC; 2101 page->audio.flags |= CD_PA_IMMED; 2102 error = cdsetmode(periph, ¶ms); 2103 free(params.mode_buf, M_TEMP); 2104 if (error) 2105 break; 2106 error = cdplay(periph, args->blk, args->len); 2107 } 2108 break; 2109 case CDIOCREADSUBCHANNEL_SYSSPACE: 2110 nocopyout = 1; 2111 /* Fallthrough */ 2112 case CDIOCREADSUBCHANNEL: 2113 { 2114 struct ioc_read_subchannel *args 2115 = (struct ioc_read_subchannel *) addr; 2116 struct cd_sub_channel_info *data; 2117 u_int32_t len = args->data_len; 2118 2119 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2120 ("trying to do CDIOCREADSUBCHANNEL\n")); 2121 2122 data = malloc(sizeof(struct cd_sub_channel_info), 2123 M_TEMP, M_WAITOK); 2124 2125 if ((len > sizeof(struct cd_sub_channel_info)) || 2126 (len < sizeof(struct cd_sub_channel_header))) { 2127 printf( 2128 "scsi_cd: cdioctl: " 2129 "cdioreadsubchannel: error, len=%d\n", 2130 len); 2131 error = EINVAL; 2132 free(data, M_TEMP); 2133 break; 2134 } 2135 2136 if (softc->quirks & CD_Q_BCD_TRACKS) 2137 args->track = bin2bcd(args->track); 2138 2139 error = cdreadsubchannel(periph, args->address_format, 2140 args->data_format, args->track, data, len); 2141 2142 if (error) { 2143 free(data, M_TEMP); 2144 break; 2145 } 2146 if (softc->quirks & CD_Q_BCD_TRACKS) 2147 data->what.track_info.track_number = 2148 bcd2bin(data->what.track_info.track_number); 2149 len = min(len, ((data->header.data_len[0] << 8) + 2150 data->header.data_len[1] + 2151 sizeof(struct cd_sub_channel_header))); 2152 if (nocopyout == 0) { 2153 if (copyout(data, args->data, len) != 0) { 2154 error = EFAULT; 2155 } 2156 } else { 2157 bcopy(data, args->data, len); 2158 } 2159 free(data, M_TEMP); 2160 } 2161 break; 2162 2163 case CDIOREADTOCHEADER: 2164 { 2165 struct ioc_toc_header *th; 2166 2167 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2168 ("trying to do CDIOREADTOCHEADER\n")); 2169 2170 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2171 M_WAITOK); 2172 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2173 sizeof (*th), /*sense_flags*/0); 2174 if (error) { 2175 free(th, M_TEMP); 2176 break; 2177 } 2178 if (softc->quirks & CD_Q_BCD_TRACKS) { 2179 /* we are going to have to convert the BCD 2180 * encoding on the cd to what is expected 2181 */ 2182 th->starting_track = 2183 bcd2bin(th->starting_track); 2184 th->ending_track = bcd2bin(th->ending_track); 2185 } 2186 th->len = ntohs(th->len); 2187 bcopy(th, addr, sizeof(*th)); 2188 free(th, M_TEMP); 2189 } 2190 break; 2191 case CDIOREADTOCENTRYS: 2192 { 2193 struct cd_tocdata *data; 2194 struct cd_toc_single *lead; 2195 struct ioc_read_toc_entry *te = 2196 (struct ioc_read_toc_entry *) addr; 2197 struct ioc_toc_header *th; 2198 u_int32_t len, readlen, idx, num; 2199 u_int32_t starting_track = te->starting_track; 2200 2201 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2202 ("trying to do CDIOREADTOCENTRYS\n")); 2203 2204 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2205 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2206 2207 if (te->data_len < sizeof(struct cd_toc_entry) 2208 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2209 || (te->address_format != CD_MSF_FORMAT 2210 && te->address_format != CD_LBA_FORMAT)) { 2211 error = EINVAL; 2212 printf("scsi_cd: error in readtocentries, " 2213 "returning EINVAL\n"); 2214 free(data, M_TEMP); 2215 free(lead, M_TEMP); 2216 break; 2217 } 2218 2219 th = &data->header; 2220 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2221 sizeof (*th), /*sense_flags*/0); 2222 if (error) { 2223 free(data, M_TEMP); 2224 free(lead, M_TEMP); 2225 break; 2226 } 2227 2228 if (softc->quirks & CD_Q_BCD_TRACKS) { 2229 /* we are going to have to convert the BCD 2230 * encoding on the cd to what is expected 2231 */ 2232 th->starting_track = 2233 bcd2bin(th->starting_track); 2234 th->ending_track = bcd2bin(th->ending_track); 2235 } 2236 2237 if (starting_track == 0) 2238 starting_track = th->starting_track; 2239 else if (starting_track == LEADOUT) 2240 starting_track = th->ending_track + 1; 2241 else if (starting_track < th->starting_track || 2242 starting_track > th->ending_track + 1) { 2243 printf("scsi_cd: error in readtocentries, " 2244 "returning EINVAL\n"); 2245 free(data, M_TEMP); 2246 free(lead, M_TEMP); 2247 error = EINVAL; 2248 break; 2249 } 2250 2251 /* calculate reading length without leadout entry */ 2252 readlen = (th->ending_track - starting_track + 1) * 2253 sizeof(struct cd_toc_entry); 2254 2255 /* and with leadout entry */ 2256 len = readlen + sizeof(struct cd_toc_entry); 2257 if (te->data_len < len) { 2258 len = te->data_len; 2259 if (readlen > len) 2260 readlen = len; 2261 } 2262 if (len > sizeof(data->entries)) { 2263 printf("scsi_cd: error in readtocentries, " 2264 "returning EINVAL\n"); 2265 error = EINVAL; 2266 free(data, M_TEMP); 2267 free(lead, M_TEMP); 2268 break; 2269 } 2270 num = len / sizeof(struct cd_toc_entry); 2271 2272 if (readlen > 0) { 2273 error = cdreadtoc(periph, te->address_format, 2274 starting_track, 2275 (u_int8_t *)data, 2276 readlen + sizeof (*th), 2277 /*sense_flags*/0); 2278 if (error) { 2279 free(data, M_TEMP); 2280 free(lead, M_TEMP); 2281 break; 2282 } 2283 } 2284 2285 /* make leadout entry if needed */ 2286 idx = starting_track + num - 1; 2287 if (softc->quirks & CD_Q_BCD_TRACKS) 2288 th->ending_track = bcd2bin(th->ending_track); 2289 if (idx == th->ending_track + 1) { 2290 error = cdreadtoc(periph, te->address_format, 2291 LEADOUT, (u_int8_t *)lead, 2292 sizeof(*lead), 2293 /*sense_flags*/0); 2294 if (error) { 2295 free(data, M_TEMP); 2296 free(lead, M_TEMP); 2297 break; 2298 } 2299 data->entries[idx - starting_track] = 2300 lead->entry; 2301 } 2302 if (softc->quirks & CD_Q_BCD_TRACKS) { 2303 for (idx = 0; idx < num - 1; idx++) { 2304 data->entries[idx].track = 2305 bcd2bin(data->entries[idx].track); 2306 } 2307 } 2308 2309 error = copyout(data->entries, te->data, len); 2310 free(data, M_TEMP); 2311 free(lead, M_TEMP); 2312 } 2313 break; 2314 case CDIOREADTOCENTRY: 2315 { 2316 struct cd_toc_single *data; 2317 struct ioc_read_toc_single_entry *te = 2318 (struct ioc_read_toc_single_entry *) addr; 2319 struct ioc_toc_header *th; 2320 u_int32_t track; 2321 2322 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2323 ("trying to do CDIOREADTOCENTRY\n")); 2324 2325 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2326 2327 if (te->address_format != CD_MSF_FORMAT 2328 && te->address_format != CD_LBA_FORMAT) { 2329 printf("error in readtocentry, " 2330 " returning EINVAL\n"); 2331 free(data, M_TEMP); 2332 error = EINVAL; 2333 break; 2334 } 2335 2336 th = &data->header; 2337 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2338 sizeof (*th), /*sense_flags*/0); 2339 if (error) { 2340 free(data, M_TEMP); 2341 break; 2342 } 2343 2344 if (softc->quirks & CD_Q_BCD_TRACKS) { 2345 /* we are going to have to convert the BCD 2346 * encoding on the cd to what is expected 2347 */ 2348 th->starting_track = 2349 bcd2bin(th->starting_track); 2350 th->ending_track = bcd2bin(th->ending_track); 2351 } 2352 track = te->track; 2353 if (track == 0) 2354 track = th->starting_track; 2355 else if (track == LEADOUT) 2356 /* OK */; 2357 else if (track < th->starting_track || 2358 track > th->ending_track + 1) { 2359 printf("error in readtocentry, " 2360 " returning EINVAL\n"); 2361 free(data, M_TEMP); 2362 error = EINVAL; 2363 break; 2364 } 2365 2366 error = cdreadtoc(periph, te->address_format, track, 2367 (u_int8_t *)data, sizeof(*data), 2368 /*sense_flags*/0); 2369 if (error) { 2370 free(data, M_TEMP); 2371 break; 2372 } 2373 2374 if (softc->quirks & CD_Q_BCD_TRACKS) 2375 data->entry.track = bcd2bin(data->entry.track); 2376 bcopy(&data->entry, &te->entry, 2377 sizeof(struct cd_toc_entry)); 2378 free(data, M_TEMP); 2379 } 2380 break; 2381 case CDIOCSETPATCH: 2382 { 2383 struct ioc_patch *arg = (struct ioc_patch *)addr; 2384 struct cd_mode_params params; 2385 union cd_pages *page; 2386 2387 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2388 ("trying to do CDIOCSETPATCH\n")); 2389 2390 params.alloc_len = sizeof(union cd_mode_data_6_10); 2391 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2392 M_WAITOK | M_ZERO); 2393 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2394 if (error) { 2395 free(params.mode_buf, M_TEMP); 2396 break; 2397 } 2398 page = cdgetpage(¶ms); 2399 2400 page->audio.port[LEFT_PORT].channels = 2401 arg->patch[0]; 2402 page->audio.port[RIGHT_PORT].channels = 2403 arg->patch[1]; 2404 page->audio.port[2].channels = arg->patch[2]; 2405 page->audio.port[3].channels = arg->patch[3]; 2406 error = cdsetmode(periph, ¶ms); 2407 free(params.mode_buf, M_TEMP); 2408 } 2409 break; 2410 case CDIOCGETVOL: 2411 { 2412 struct ioc_vol *arg = (struct ioc_vol *) addr; 2413 struct cd_mode_params params; 2414 union cd_pages *page; 2415 2416 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2417 ("trying to do CDIOCGETVOL\n")); 2418 2419 params.alloc_len = sizeof(union cd_mode_data_6_10); 2420 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2421 M_WAITOK | M_ZERO); 2422 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2423 if (error) { 2424 free(params.mode_buf, M_TEMP); 2425 break; 2426 } 2427 page = cdgetpage(¶ms); 2428 2429 arg->vol[LEFT_PORT] = 2430 page->audio.port[LEFT_PORT].volume; 2431 arg->vol[RIGHT_PORT] = 2432 page->audio.port[RIGHT_PORT].volume; 2433 arg->vol[2] = page->audio.port[2].volume; 2434 arg->vol[3] = page->audio.port[3].volume; 2435 free(params.mode_buf, M_TEMP); 2436 } 2437 break; 2438 case CDIOCSETVOL: 2439 { 2440 struct ioc_vol *arg = (struct ioc_vol *) addr; 2441 struct cd_mode_params params; 2442 union cd_pages *page; 2443 2444 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2445 ("trying to do CDIOCSETVOL\n")); 2446 2447 params.alloc_len = sizeof(union cd_mode_data_6_10); 2448 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2449 M_WAITOK | M_ZERO); 2450 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2451 if (error) { 2452 free(params.mode_buf, M_TEMP); 2453 break; 2454 } 2455 page = cdgetpage(¶ms); 2456 2457 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2458 page->audio.port[LEFT_PORT].volume = 2459 arg->vol[LEFT_PORT]; 2460 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2461 page->audio.port[RIGHT_PORT].volume = 2462 arg->vol[RIGHT_PORT]; 2463 page->audio.port[2].volume = arg->vol[2]; 2464 page->audio.port[3].volume = arg->vol[3]; 2465 error = cdsetmode(periph, ¶ms); 2466 free(params.mode_buf, M_TEMP); 2467 } 2468 break; 2469 case CDIOCSETMONO: 2470 { 2471 struct cd_mode_params params; 2472 union cd_pages *page; 2473 2474 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2475 ("trying to do CDIOCSETMONO\n")); 2476 2477 params.alloc_len = sizeof(union cd_mode_data_6_10); 2478 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2479 M_WAITOK | M_ZERO); 2480 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2481 if (error) { 2482 free(params.mode_buf, M_TEMP); 2483 break; 2484 } 2485 page = cdgetpage(¶ms); 2486 2487 page->audio.port[LEFT_PORT].channels = 2488 LEFT_CHANNEL | RIGHT_CHANNEL; 2489 page->audio.port[RIGHT_PORT].channels = 2490 LEFT_CHANNEL | RIGHT_CHANNEL; 2491 page->audio.port[2].channels = 0; 2492 page->audio.port[3].channels = 0; 2493 error = cdsetmode(periph, ¶ms); 2494 free(params.mode_buf, M_TEMP); 2495 } 2496 break; 2497 case CDIOCSETSTEREO: 2498 { 2499 struct cd_mode_params params; 2500 union cd_pages *page; 2501 2502 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2503 ("trying to do CDIOCSETSTEREO\n")); 2504 2505 params.alloc_len = sizeof(union cd_mode_data_6_10); 2506 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2507 M_WAITOK | M_ZERO); 2508 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2509 if (error) { 2510 free(params.mode_buf, M_TEMP); 2511 break; 2512 } 2513 page = cdgetpage(¶ms); 2514 2515 page->audio.port[LEFT_PORT].channels = 2516 LEFT_CHANNEL; 2517 page->audio.port[RIGHT_PORT].channels = 2518 RIGHT_CHANNEL; 2519 page->audio.port[2].channels = 0; 2520 page->audio.port[3].channels = 0; 2521 error = cdsetmode(periph, ¶ms); 2522 free(params.mode_buf, M_TEMP); 2523 } 2524 break; 2525 case CDIOCSETMUTE: 2526 { 2527 struct cd_mode_params params; 2528 union cd_pages *page; 2529 2530 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2531 ("trying to do CDIOCSETMUTE\n")); 2532 2533 params.alloc_len = sizeof(union cd_mode_data_6_10); 2534 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2535 M_WAITOK | M_ZERO); 2536 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2537 if (error) { 2538 free(¶ms, M_TEMP); 2539 break; 2540 } 2541 page = cdgetpage(¶ms); 2542 2543 page->audio.port[LEFT_PORT].channels = 0; 2544 page->audio.port[RIGHT_PORT].channels = 0; 2545 page->audio.port[2].channels = 0; 2546 page->audio.port[3].channels = 0; 2547 error = cdsetmode(periph, ¶ms); 2548 free(params.mode_buf, M_TEMP); 2549 } 2550 break; 2551 case CDIOCSETLEFT: 2552 { 2553 struct cd_mode_params params; 2554 union cd_pages *page; 2555 2556 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2557 ("trying to do CDIOCSETLEFT\n")); 2558 2559 params.alloc_len = sizeof(union cd_mode_data_6_10); 2560 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2561 M_WAITOK | M_ZERO); 2562 2563 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2564 if (error) { 2565 free(params.mode_buf, M_TEMP); 2566 break; 2567 } 2568 page = cdgetpage(¶ms); 2569 2570 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2571 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2572 page->audio.port[2].channels = 0; 2573 page->audio.port[3].channels = 0; 2574 error = cdsetmode(periph, ¶ms); 2575 free(params.mode_buf, M_TEMP); 2576 } 2577 break; 2578 case CDIOCSETRIGHT: 2579 { 2580 struct cd_mode_params params; 2581 union cd_pages *page; 2582 2583 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2584 ("trying to do CDIOCSETRIGHT\n")); 2585 2586 params.alloc_len = sizeof(union cd_mode_data_6_10); 2587 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2588 M_WAITOK | M_ZERO); 2589 2590 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2591 if (error) { 2592 free(params.mode_buf, M_TEMP); 2593 break; 2594 } 2595 page = cdgetpage(¶ms); 2596 2597 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2598 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2599 page->audio.port[2].channels = 0; 2600 page->audio.port[3].channels = 0; 2601 error = cdsetmode(periph, ¶ms); 2602 free(params.mode_buf, M_TEMP); 2603 } 2604 break; 2605 case CDIOCRESUME: 2606 error = cdpause(periph, 1); 2607 break; 2608 case CDIOCPAUSE: 2609 error = cdpause(periph, 0); 2610 break; 2611 case CDIOCSTART: 2612 error = cdstartunit(periph, 0); 2613 break; 2614 case CDIOCCLOSE: 2615 error = cdstartunit(periph, 1); 2616 break; 2617 case CDIOCSTOP: 2618 error = cdstopunit(periph, 0); 2619 break; 2620 case CDIOCEJECT: 2621 error = cdstopunit(periph, 1); 2622 break; 2623 case CDIOCALLOW: 2624 cdprevent(periph, PR_ALLOW); 2625 break; 2626 case CDIOCPREVENT: 2627 cdprevent(periph, PR_PREVENT); 2628 break; 2629 case CDIOCSETDEBUG: 2630 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2631 error = ENOTTY; 2632 break; 2633 case CDIOCCLRDEBUG: 2634 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2635 error = ENOTTY; 2636 break; 2637 case CDIOCRESET: 2638 /* return (cd_reset(periph)); */ 2639 error = ENOTTY; 2640 break; 2641 case CDRIOCREADSPEED: 2642 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2643 break; 2644 case CDRIOCWRITESPEED: 2645 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2646 break; 2647 case DVDIOCSENDKEY: 2648 case DVDIOCREPORTKEY: { 2649 struct dvd_authinfo *authinfo; 2650 2651 authinfo = (struct dvd_authinfo *)addr; 2652 2653 if (cmd == DVDIOCREPORTKEY) 2654 error = cdreportkey(periph, authinfo); 2655 else 2656 error = cdsendkey(periph, authinfo); 2657 break; 2658 } 2659 case DVDIOCREADSTRUCTURE: { 2660 struct dvd_struct *dvdstruct; 2661 2662 dvdstruct = (struct dvd_struct *)addr; 2663 2664 error = cdreaddvdstructure(periph, dvdstruct); 2665 2666 break; 2667 } 2668 default: 2669 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2670 break; 2671 } 2672 2673 cam_periph_unlock(periph); 2674 2675 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2676 if (error && bootverbose) { 2677 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2678 } 2679 2680 return (error); 2681 } 2682 2683 static void 2684 cdprevent(struct cam_periph *periph, int action) 2685 { 2686 union ccb *ccb; 2687 struct cd_softc *softc; 2688 int error; 2689 2690 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2691 2692 softc = (struct cd_softc *)periph->softc; 2693 2694 if (((action == PR_ALLOW) 2695 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2696 || ((action == PR_PREVENT) 2697 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2698 return; 2699 } 2700 2701 ccb = cdgetccb(periph, /* priority */ 1); 2702 2703 scsi_prevent(&ccb->csio, 2704 /*retries*/ 1, 2705 cddone, 2706 MSG_SIMPLE_Q_TAG, 2707 action, 2708 SSD_FULL_SIZE, 2709 /* timeout */60000); 2710 2711 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2712 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2713 2714 xpt_release_ccb(ccb); 2715 2716 if (error == 0) { 2717 if (action == PR_ALLOW) 2718 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2719 else 2720 softc->flags |= CD_FLAG_DISC_LOCKED; 2721 } 2722 } 2723 2724 /* 2725 * XXX: the disk media and sector size is only really able to change 2726 * XXX: while the device is closed. 2727 */ 2728 static int 2729 cdcheckmedia(struct cam_periph *periph) 2730 { 2731 struct cd_softc *softc; 2732 struct ioc_toc_header *toch; 2733 struct cd_toc_single leadout; 2734 u_int32_t size, toclen; 2735 int error, num_entries, cdindex; 2736 2737 softc = (struct cd_softc *)periph->softc; 2738 2739 cdprevent(periph, PR_PREVENT); 2740 softc->disk->d_maxsize = DFLTPHYS; 2741 softc->disk->d_sectorsize = 2048; 2742 softc->disk->d_mediasize = 0; 2743 2744 /* 2745 * Get the disc size and block size. If we can't get it, we don't 2746 * have media, most likely. 2747 */ 2748 if ((error = cdsize(periph, &size)) != 0) { 2749 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2750 cdprevent(periph, PR_ALLOW); 2751 return (error); 2752 } else 2753 softc->flags |= CD_FLAG_VALID_MEDIA; 2754 2755 /* 2756 * Now we check the table of contents. This (currently) is only 2757 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2758 * things like present a separate entry in /dev for each track, 2759 * like that acd(4) driver does. 2760 */ 2761 bzero(&softc->toc, sizeof(softc->toc)); 2762 toch = &softc->toc.header; 2763 /* 2764 * We will get errors here for media that doesn't have a table of 2765 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2766 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2767 * has not been recorded (no complete session) and the Format codes 2768 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2769 * with an INVALID FIELD IN CDB. Devices that are not capable of 2770 * reading an incomplete session on DDC/CD-R/RW media shall report 2771 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2772 * 2773 * So this isn't fatal if we can't read the table of contents, it 2774 * just means that the user won't be able to issue the play tracks 2775 * ioctl, and likely lots of other stuff won't work either. They 2776 * need to burn the CD before we can do a whole lot with it. So 2777 * we don't print anything here if we get an error back. 2778 */ 2779 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2780 SF_NO_PRINT); 2781 /* 2782 * Errors in reading the table of contents aren't fatal, we just 2783 * won't have a valid table of contents cached. 2784 */ 2785 if (error != 0) { 2786 error = 0; 2787 bzero(&softc->toc, sizeof(softc->toc)); 2788 goto bailout; 2789 } 2790 2791 if (softc->quirks & CD_Q_BCD_TRACKS) { 2792 toch->starting_track = bcd2bin(toch->starting_track); 2793 toch->ending_track = bcd2bin(toch->ending_track); 2794 } 2795 2796 /* Number of TOC entries, plus leadout */ 2797 num_entries = (toch->ending_track - toch->starting_track) + 2; 2798 2799 if (num_entries <= 0) 2800 goto bailout; 2801 2802 toclen = num_entries * sizeof(struct cd_toc_entry); 2803 2804 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2805 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2806 SF_NO_PRINT); 2807 if (error != 0) { 2808 error = 0; 2809 bzero(&softc->toc, sizeof(softc->toc)); 2810 goto bailout; 2811 } 2812 2813 if (softc->quirks & CD_Q_BCD_TRACKS) { 2814 toch->starting_track = bcd2bin(toch->starting_track); 2815 toch->ending_track = bcd2bin(toch->ending_track); 2816 } 2817 /* 2818 * XXX KDM is this necessary? Probably only if the drive doesn't 2819 * return leadout information with the table of contents. 2820 */ 2821 cdindex = toch->starting_track + num_entries -1; 2822 if (cdindex == toch->ending_track + 1) { 2823 2824 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2825 (u_int8_t *)&leadout, sizeof(leadout), 2826 SF_NO_PRINT); 2827 if (error != 0) { 2828 error = 0; 2829 goto bailout; 2830 } 2831 softc->toc.entries[cdindex - toch->starting_track] = 2832 leadout.entry; 2833 } 2834 if (softc->quirks & CD_Q_BCD_TRACKS) { 2835 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2836 softc->toc.entries[cdindex].track = 2837 bcd2bin(softc->toc.entries[cdindex].track); 2838 } 2839 } 2840 2841 softc->flags |= CD_FLAG_VALID_TOC; 2842 softc->disk->d_maxsize = DFLTPHYS; 2843 softc->disk->d_sectorsize = softc->params.blksize; 2844 softc->disk->d_mediasize = 2845 (off_t)softc->params.blksize * softc->params.disksize; 2846 2847 bailout: 2848 2849 /* 2850 * We unconditionally (re)set the blocksize each time the 2851 * CD device is opened. This is because the CD can change, 2852 * and therefore the blocksize might change. 2853 * XXX problems here if some slice or partition is still 2854 * open with the old size? 2855 */ 2856 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2857 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2858 softc->disk->d_devstat->block_size = softc->params.blksize; 2859 2860 return (error); 2861 } 2862 2863 static int 2864 cdsize(struct cam_periph *periph, u_int32_t *size) 2865 { 2866 struct cd_softc *softc; 2867 union ccb *ccb; 2868 struct scsi_read_capacity_data *rcap_buf; 2869 int error; 2870 2871 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2872 2873 softc = (struct cd_softc *)periph->softc; 2874 2875 ccb = cdgetccb(periph, /* priority */ 1); 2876 2877 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2878 M_TEMP, M_WAITOK); 2879 2880 scsi_read_capacity(&ccb->csio, 2881 /*retries*/ 1, 2882 cddone, 2883 MSG_SIMPLE_Q_TAG, 2884 rcap_buf, 2885 SSD_FULL_SIZE, 2886 /* timeout */20000); 2887 2888 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2889 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2890 2891 xpt_release_ccb(ccb); 2892 2893 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2894 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2895 /* 2896 * SCSI-3 mandates that the reported blocksize shall be 2048. 2897 * Older drives sometimes report funny values, trim it down to 2898 * 2048, or other parts of the kernel will get confused. 2899 * 2900 * XXX we leave drives alone that might report 512 bytes, as 2901 * well as drives reporting more weird sizes like perhaps 4K. 2902 */ 2903 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2904 softc->params.blksize = 2048; 2905 2906 free(rcap_buf, M_TEMP); 2907 *size = softc->params.disksize; 2908 2909 return (error); 2910 2911 } 2912 2913 static int 2914 cd6byteworkaround(union ccb *ccb) 2915 { 2916 u_int8_t *cdb; 2917 struct cam_periph *periph; 2918 struct cd_softc *softc; 2919 struct cd_mode_params *params; 2920 int frozen, found; 2921 2922 periph = xpt_path_periph(ccb->ccb_h.path); 2923 softc = (struct cd_softc *)periph->softc; 2924 2925 cdb = ccb->csio.cdb_io.cdb_bytes; 2926 2927 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2928 || ((cdb[0] != MODE_SENSE_6) 2929 && (cdb[0] != MODE_SELECT_6))) 2930 return (0); 2931 2932 /* 2933 * Because there is no convenient place to stash the overall 2934 * cd_mode_params structure pointer, we have to grab it like this. 2935 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2936 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2937 * 2938 * XXX It would be nice if, at some point, we could increase the 2939 * number of available peripheral private pointers. Both pointers 2940 * are currently used in most every peripheral driver. 2941 */ 2942 found = 0; 2943 2944 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2945 if (params->mode_buf == ccb->csio.data_ptr) { 2946 found = 1; 2947 break; 2948 } 2949 } 2950 2951 /* 2952 * This shouldn't happen. All mode sense and mode select 2953 * operations in the cd(4) driver MUST go through cdgetmode() and 2954 * cdsetmode()! 2955 */ 2956 if (found == 0) { 2957 xpt_print_path(periph->path); 2958 printf("mode buffer not found in mode queue!\n"); 2959 return (0); 2960 } 2961 2962 params->cdb_size = 10; 2963 softc->minimum_command_size = 10; 2964 xpt_print_path(ccb->ccb_h.path); 2965 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2966 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2967 2968 if (cdb[0] == MODE_SENSE_6) { 2969 struct scsi_mode_sense_10 ms10; 2970 struct scsi_mode_sense_6 *ms6; 2971 int len; 2972 2973 ms6 = (struct scsi_mode_sense_6 *)cdb; 2974 2975 bzero(&ms10, sizeof(ms10)); 2976 ms10.opcode = MODE_SENSE_10; 2977 ms10.byte2 = ms6->byte2; 2978 ms10.page = ms6->page; 2979 2980 /* 2981 * 10 byte mode header, block descriptor, 2982 * sizeof(union cd_pages) 2983 */ 2984 len = sizeof(struct cd_mode_data_10); 2985 ccb->csio.dxfer_len = len; 2986 2987 scsi_ulto2b(len, ms10.length); 2988 ms10.control = ms6->control; 2989 bcopy(&ms10, cdb, 10); 2990 ccb->csio.cdb_len = 10; 2991 } else { 2992 struct scsi_mode_select_10 ms10; 2993 struct scsi_mode_select_6 *ms6; 2994 struct scsi_mode_header_6 *header6; 2995 struct scsi_mode_header_10 *header10; 2996 struct scsi_mode_page_header *page_header; 2997 int blk_desc_len, page_num, page_size, len; 2998 2999 ms6 = (struct scsi_mode_select_6 *)cdb; 3000 3001 bzero(&ms10, sizeof(ms10)); 3002 ms10.opcode = MODE_SELECT_10; 3003 ms10.byte2 = ms6->byte2; 3004 3005 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3006 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3007 3008 page_header = find_mode_page_6(header6); 3009 page_num = page_header->page_code; 3010 3011 blk_desc_len = header6->blk_desc_len; 3012 3013 page_size = cdgetpagesize(page_num); 3014 3015 if (page_size != (page_header->page_length + 3016 sizeof(*page_header))) 3017 page_size = page_header->page_length + 3018 sizeof(*page_header); 3019 3020 len = sizeof(*header10) + blk_desc_len + page_size; 3021 3022 len = min(params->alloc_len, len); 3023 3024 /* 3025 * Since the 6 byte parameter header is shorter than the 10 3026 * byte parameter header, we need to copy the actual mode 3027 * page data, and the block descriptor, if any, so things wind 3028 * up in the right place. The regions will overlap, but 3029 * bcopy() does the right thing. 3030 */ 3031 bcopy(params->mode_buf + sizeof(*header6), 3032 params->mode_buf + sizeof(*header10), 3033 len - sizeof(*header10)); 3034 3035 /* Make sure these fields are set correctly. */ 3036 scsi_ulto2b(0, header10->data_length); 3037 header10->medium_type = 0; 3038 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3039 3040 ccb->csio.dxfer_len = len; 3041 3042 scsi_ulto2b(len, ms10.length); 3043 ms10.control = ms6->control; 3044 bcopy(&ms10, cdb, 10); 3045 ccb->csio.cdb_len = 10; 3046 } 3047 3048 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3049 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3050 xpt_action(ccb); 3051 if (frozen) { 3052 cam_release_devq(ccb->ccb_h.path, 3053 /*relsim_flags*/0, 3054 /*openings*/0, 3055 /*timeout*/0, 3056 /*getcount_only*/0); 3057 } 3058 3059 return (ERESTART); 3060 } 3061 3062 static int 3063 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3064 { 3065 struct cd_softc *softc; 3066 struct cam_periph *periph; 3067 int error; 3068 3069 periph = xpt_path_periph(ccb->ccb_h.path); 3070 softc = (struct cd_softc *)periph->softc; 3071 3072 error = 0; 3073 3074 /* 3075 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3076 * CDB comes back with this particular error, try transforming it 3077 * into the 10 byte version. 3078 */ 3079 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3080 error = cd6byteworkaround(ccb); 3081 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3082 CAM_SCSI_STATUS_ERROR) 3083 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3084 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3085 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3086 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3087 int sense_key, error_code, asc, ascq; 3088 3089 scsi_extract_sense(&ccb->csio.sense_data, 3090 &error_code, &sense_key, &asc, &ascq); 3091 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3092 error = cd6byteworkaround(ccb); 3093 } 3094 3095 if (error == ERESTART) 3096 return (error); 3097 3098 /* 3099 * XXX 3100 * Until we have a better way of doing pack validation, 3101 * don't treat UAs as errors. 3102 */ 3103 sense_flags |= SF_RETRY_UA; 3104 return (cam_periph_error(ccb, cam_flags, sense_flags, 3105 &softc->saved_ccb)); 3106 } 3107 3108 /* 3109 * Read table of contents 3110 */ 3111 static int 3112 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3113 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3114 { 3115 struct scsi_read_toc *scsi_cmd; 3116 u_int32_t ntoc; 3117 struct ccb_scsiio *csio; 3118 union ccb *ccb; 3119 int error; 3120 3121 ntoc = len; 3122 error = 0; 3123 3124 ccb = cdgetccb(periph, /* priority */ 1); 3125 3126 csio = &ccb->csio; 3127 3128 cam_fill_csio(csio, 3129 /* retries */ 1, 3130 /* cbfcnp */ cddone, 3131 /* flags */ CAM_DIR_IN, 3132 /* tag_action */ MSG_SIMPLE_Q_TAG, 3133 /* data_ptr */ data, 3134 /* dxfer_len */ len, 3135 /* sense_len */ SSD_FULL_SIZE, 3136 sizeof(struct scsi_read_toc), 3137 /* timeout */ 50000); 3138 3139 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3140 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3141 3142 if (mode == CD_MSF_FORMAT) 3143 scsi_cmd->byte2 |= CD_MSF; 3144 scsi_cmd->from_track = start; 3145 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3146 scsi_cmd->data_len[0] = (ntoc) >> 8; 3147 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3148 3149 scsi_cmd->op_code = READ_TOC; 3150 3151 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3152 /*sense_flags*/SF_RETRY_UA | sense_flags); 3153 3154 xpt_release_ccb(ccb); 3155 3156 return(error); 3157 } 3158 3159 static int 3160 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3161 u_int32_t format, int track, 3162 struct cd_sub_channel_info *data, u_int32_t len) 3163 { 3164 struct scsi_read_subchannel *scsi_cmd; 3165 struct ccb_scsiio *csio; 3166 union ccb *ccb; 3167 int error; 3168 3169 error = 0; 3170 3171 ccb = cdgetccb(periph, /* priority */ 1); 3172 3173 csio = &ccb->csio; 3174 3175 cam_fill_csio(csio, 3176 /* retries */ 1, 3177 /* cbfcnp */ cddone, 3178 /* flags */ CAM_DIR_IN, 3179 /* tag_action */ MSG_SIMPLE_Q_TAG, 3180 /* data_ptr */ (u_int8_t *)data, 3181 /* dxfer_len */ len, 3182 /* sense_len */ SSD_FULL_SIZE, 3183 sizeof(struct scsi_read_subchannel), 3184 /* timeout */ 50000); 3185 3186 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3187 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3188 3189 scsi_cmd->op_code = READ_SUBCHANNEL; 3190 if (mode == CD_MSF_FORMAT) 3191 scsi_cmd->byte1 |= CD_MSF; 3192 scsi_cmd->byte2 = SRS_SUBQ; 3193 scsi_cmd->subchan_format = format; 3194 scsi_cmd->track = track; 3195 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3196 scsi_cmd->control = 0; 3197 3198 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3199 /*sense_flags*/SF_RETRY_UA); 3200 3201 xpt_release_ccb(ccb); 3202 3203 return(error); 3204 } 3205 3206 3207 /* 3208 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3209 * routine. See comments in cd6byteworkaround() for details. 3210 */ 3211 static int 3212 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3213 u_int32_t page) 3214 { 3215 struct ccb_scsiio *csio; 3216 struct cd_softc *softc; 3217 union ccb *ccb; 3218 int param_len; 3219 int error; 3220 3221 softc = (struct cd_softc *)periph->softc; 3222 3223 ccb = cdgetccb(periph, /* priority */ 1); 3224 3225 csio = &ccb->csio; 3226 3227 data->cdb_size = softc->minimum_command_size; 3228 if (data->cdb_size < 10) 3229 param_len = sizeof(struct cd_mode_data); 3230 else 3231 param_len = sizeof(struct cd_mode_data_10); 3232 3233 /* Don't say we've got more room than we actually allocated */ 3234 param_len = min(param_len, data->alloc_len); 3235 3236 scsi_mode_sense_len(csio, 3237 /* retries */ 1, 3238 /* cbfcnp */ cddone, 3239 /* tag_action */ MSG_SIMPLE_Q_TAG, 3240 /* dbd */ 0, 3241 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3242 /* page */ page, 3243 /* param_buf */ data->mode_buf, 3244 /* param_len */ param_len, 3245 /* minimum_cmd_size */ softc->minimum_command_size, 3246 /* sense_len */ SSD_FULL_SIZE, 3247 /* timeout */ 50000); 3248 3249 /* 3250 * It would be nice not to have to do this, but there's no 3251 * available pointer in the CCB that would allow us to stuff the 3252 * mode params structure in there and retrieve it in 3253 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3254 * lets the caller know what CDB size we ended up using, so they 3255 * can find the actual mode page offset. 3256 */ 3257 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3258 3259 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3260 /*sense_flags*/SF_RETRY_UA); 3261 3262 xpt_release_ccb(ccb); 3263 3264 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3265 3266 /* 3267 * This is a bit of belt-and-suspenders checking, but if we run 3268 * into a situation where the target sends back multiple block 3269 * descriptors, we might not have enough space in the buffer to 3270 * see the whole mode page. Better to return an error than 3271 * potentially access memory beyond our malloced region. 3272 */ 3273 if (error == 0) { 3274 u_int32_t data_len; 3275 3276 if (data->cdb_size == 10) { 3277 struct scsi_mode_header_10 *hdr10; 3278 3279 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3280 data_len = scsi_2btoul(hdr10->data_length); 3281 data_len += sizeof(hdr10->data_length); 3282 } else { 3283 struct scsi_mode_header_6 *hdr6; 3284 3285 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3286 data_len = hdr6->data_length; 3287 data_len += sizeof(hdr6->data_length); 3288 } 3289 3290 /* 3291 * Complain if there is more mode data available than we 3292 * allocated space for. This could potentially happen if 3293 * we miscalculated the page length for some reason, if the 3294 * drive returns multiple block descriptors, or if it sets 3295 * the data length incorrectly. 3296 */ 3297 if (data_len > data->alloc_len) { 3298 xpt_print_path(periph->path); 3299 printf("allocated modepage %d length %d < returned " 3300 "length %d\n", page, data->alloc_len, data_len); 3301 3302 error = ENOSPC; 3303 } 3304 } 3305 return (error); 3306 } 3307 3308 /* 3309 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3310 * routine. See comments in cd6byteworkaround() for details. 3311 */ 3312 static int 3313 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3314 { 3315 struct ccb_scsiio *csio; 3316 struct cd_softc *softc; 3317 union ccb *ccb; 3318 int cdb_size, param_len; 3319 int error; 3320 3321 softc = (struct cd_softc *)periph->softc; 3322 3323 ccb = cdgetccb(periph, /* priority */ 1); 3324 3325 csio = &ccb->csio; 3326 3327 error = 0; 3328 3329 /* 3330 * If the data is formatted for the 10 byte version of the mode 3331 * select parameter list, we need to use the 10 byte CDB. 3332 * Otherwise, we use whatever the stored minimum command size. 3333 */ 3334 if (data->cdb_size == 10) 3335 cdb_size = data->cdb_size; 3336 else 3337 cdb_size = softc->minimum_command_size; 3338 3339 if (cdb_size >= 10) { 3340 struct scsi_mode_header_10 *mode_header; 3341 u_int32_t data_len; 3342 3343 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3344 3345 data_len = scsi_2btoul(mode_header->data_length); 3346 3347 scsi_ulto2b(0, mode_header->data_length); 3348 /* 3349 * SONY drives do not allow a mode select with a medium_type 3350 * value that has just been returned by a mode sense; use a 3351 * medium_type of 0 (Default) instead. 3352 */ 3353 mode_header->medium_type = 0; 3354 3355 /* 3356 * Pass back whatever the drive passed to us, plus the size 3357 * of the data length field. 3358 */ 3359 param_len = data_len + sizeof(mode_header->data_length); 3360 3361 } else { 3362 struct scsi_mode_header_6 *mode_header; 3363 3364 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3365 3366 param_len = mode_header->data_length + 1; 3367 3368 mode_header->data_length = 0; 3369 /* 3370 * SONY drives do not allow a mode select with a medium_type 3371 * value that has just been returned by a mode sense; use a 3372 * medium_type of 0 (Default) instead. 3373 */ 3374 mode_header->medium_type = 0; 3375 } 3376 3377 /* Don't say we've got more room than we actually allocated */ 3378 param_len = min(param_len, data->alloc_len); 3379 3380 scsi_mode_select_len(csio, 3381 /* retries */ 1, 3382 /* cbfcnp */ cddone, 3383 /* tag_action */ MSG_SIMPLE_Q_TAG, 3384 /* scsi_page_fmt */ 1, 3385 /* save_pages */ 0, 3386 /* param_buf */ data->mode_buf, 3387 /* param_len */ param_len, 3388 /* minimum_cmd_size */ cdb_size, 3389 /* sense_len */ SSD_FULL_SIZE, 3390 /* timeout */ 50000); 3391 3392 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3393 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3394 3395 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3396 /*sense_flags*/SF_RETRY_UA); 3397 3398 xpt_release_ccb(ccb); 3399 3400 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3401 3402 return (error); 3403 } 3404 3405 3406 static int 3407 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3408 { 3409 struct ccb_scsiio *csio; 3410 union ccb *ccb; 3411 int error; 3412 u_int8_t cdb_len; 3413 3414 error = 0; 3415 ccb = cdgetccb(periph, /* priority */ 1); 3416 csio = &ccb->csio; 3417 /* 3418 * Use the smallest possible command to perform the operation. 3419 */ 3420 if ((len & 0xffff0000) == 0) { 3421 /* 3422 * We can fit in a 10 byte cdb. 3423 */ 3424 struct scsi_play_10 *scsi_cmd; 3425 3426 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3427 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3428 scsi_cmd->op_code = PLAY_10; 3429 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3430 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3431 cdb_len = sizeof(*scsi_cmd); 3432 } else { 3433 struct scsi_play_12 *scsi_cmd; 3434 3435 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3436 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3437 scsi_cmd->op_code = PLAY_12; 3438 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3439 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3440 cdb_len = sizeof(*scsi_cmd); 3441 } 3442 cam_fill_csio(csio, 3443 /*retries*/2, 3444 cddone, 3445 /*flags*/CAM_DIR_NONE, 3446 MSG_SIMPLE_Q_TAG, 3447 /*dataptr*/NULL, 3448 /*datalen*/0, 3449 /*sense_len*/SSD_FULL_SIZE, 3450 cdb_len, 3451 /*timeout*/50 * 1000); 3452 3453 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3454 /*sense_flags*/SF_RETRY_UA); 3455 3456 xpt_release_ccb(ccb); 3457 3458 return(error); 3459 } 3460 3461 static int 3462 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3463 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3464 { 3465 struct scsi_play_msf *scsi_cmd; 3466 struct ccb_scsiio *csio; 3467 union ccb *ccb; 3468 int error; 3469 3470 error = 0; 3471 3472 ccb = cdgetccb(periph, /* priority */ 1); 3473 3474 csio = &ccb->csio; 3475 3476 cam_fill_csio(csio, 3477 /* retries */ 1, 3478 /* cbfcnp */ cddone, 3479 /* flags */ CAM_DIR_NONE, 3480 /* tag_action */ MSG_SIMPLE_Q_TAG, 3481 /* data_ptr */ NULL, 3482 /* dxfer_len */ 0, 3483 /* sense_len */ SSD_FULL_SIZE, 3484 sizeof(struct scsi_play_msf), 3485 /* timeout */ 50000); 3486 3487 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3488 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3489 3490 scsi_cmd->op_code = PLAY_MSF; 3491 scsi_cmd->start_m = startm; 3492 scsi_cmd->start_s = starts; 3493 scsi_cmd->start_f = startf; 3494 scsi_cmd->end_m = endm; 3495 scsi_cmd->end_s = ends; 3496 scsi_cmd->end_f = endf; 3497 3498 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3499 /*sense_flags*/SF_RETRY_UA); 3500 3501 xpt_release_ccb(ccb); 3502 3503 return(error); 3504 } 3505 3506 3507 static int 3508 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3509 u_int32_t etrack, u_int32_t eindex) 3510 { 3511 struct scsi_play_track *scsi_cmd; 3512 struct ccb_scsiio *csio; 3513 union ccb *ccb; 3514 int error; 3515 3516 error = 0; 3517 3518 ccb = cdgetccb(periph, /* priority */ 1); 3519 3520 csio = &ccb->csio; 3521 3522 cam_fill_csio(csio, 3523 /* retries */ 1, 3524 /* cbfcnp */ cddone, 3525 /* flags */ CAM_DIR_NONE, 3526 /* tag_action */ MSG_SIMPLE_Q_TAG, 3527 /* data_ptr */ NULL, 3528 /* dxfer_len */ 0, 3529 /* sense_len */ SSD_FULL_SIZE, 3530 sizeof(struct scsi_play_track), 3531 /* timeout */ 50000); 3532 3533 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3534 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3535 3536 scsi_cmd->op_code = PLAY_TRACK; 3537 scsi_cmd->start_track = strack; 3538 scsi_cmd->start_index = sindex; 3539 scsi_cmd->end_track = etrack; 3540 scsi_cmd->end_index = eindex; 3541 3542 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3543 /*sense_flags*/SF_RETRY_UA); 3544 3545 xpt_release_ccb(ccb); 3546 3547 return(error); 3548 } 3549 3550 static int 3551 cdpause(struct cam_periph *periph, u_int32_t go) 3552 { 3553 struct scsi_pause *scsi_cmd; 3554 struct ccb_scsiio *csio; 3555 union ccb *ccb; 3556 int error; 3557 3558 error = 0; 3559 3560 ccb = cdgetccb(periph, /* priority */ 1); 3561 3562 csio = &ccb->csio; 3563 3564 cam_fill_csio(csio, 3565 /* retries */ 1, 3566 /* cbfcnp */ cddone, 3567 /* flags */ CAM_DIR_NONE, 3568 /* tag_action */ MSG_SIMPLE_Q_TAG, 3569 /* data_ptr */ NULL, 3570 /* dxfer_len */ 0, 3571 /* sense_len */ SSD_FULL_SIZE, 3572 sizeof(struct scsi_pause), 3573 /* timeout */ 50000); 3574 3575 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3576 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3577 3578 scsi_cmd->op_code = PAUSE; 3579 scsi_cmd->resume = go; 3580 3581 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3582 /*sense_flags*/SF_RETRY_UA); 3583 3584 xpt_release_ccb(ccb); 3585 3586 return(error); 3587 } 3588 3589 static int 3590 cdstartunit(struct cam_periph *periph, int load) 3591 { 3592 union ccb *ccb; 3593 int error; 3594 3595 error = 0; 3596 3597 ccb = cdgetccb(periph, /* priority */ 1); 3598 3599 scsi_start_stop(&ccb->csio, 3600 /* retries */ 1, 3601 /* cbfcnp */ cddone, 3602 /* tag_action */ MSG_SIMPLE_Q_TAG, 3603 /* start */ TRUE, 3604 /* load_eject */ load, 3605 /* immediate */ FALSE, 3606 /* sense_len */ SSD_FULL_SIZE, 3607 /* timeout */ 50000); 3608 3609 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3610 /*sense_flags*/SF_RETRY_UA); 3611 3612 xpt_release_ccb(ccb); 3613 3614 return(error); 3615 } 3616 3617 static int 3618 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3619 { 3620 union ccb *ccb; 3621 int error; 3622 3623 error = 0; 3624 3625 ccb = cdgetccb(periph, /* priority */ 1); 3626 3627 scsi_start_stop(&ccb->csio, 3628 /* retries */ 1, 3629 /* cbfcnp */ cddone, 3630 /* tag_action */ MSG_SIMPLE_Q_TAG, 3631 /* start */ FALSE, 3632 /* load_eject */ eject, 3633 /* immediate */ FALSE, 3634 /* sense_len */ SSD_FULL_SIZE, 3635 /* timeout */ 50000); 3636 3637 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3638 /*sense_flags*/SF_RETRY_UA); 3639 3640 xpt_release_ccb(ccb); 3641 3642 return(error); 3643 } 3644 3645 static int 3646 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3647 { 3648 struct scsi_set_speed *scsi_cmd; 3649 struct ccb_scsiio *csio; 3650 union ccb *ccb; 3651 int error; 3652 3653 error = 0; 3654 ccb = cdgetccb(periph, /* priority */ 1); 3655 csio = &ccb->csio; 3656 3657 /* Preserve old behavior: units in multiples of CDROM speed */ 3658 if (rdspeed < 177) 3659 rdspeed *= 177; 3660 if (wrspeed < 177) 3661 wrspeed *= 177; 3662 3663 cam_fill_csio(csio, 3664 /* retries */ 1, 3665 /* cbfcnp */ cddone, 3666 /* flags */ CAM_DIR_NONE, 3667 /* tag_action */ MSG_SIMPLE_Q_TAG, 3668 /* data_ptr */ NULL, 3669 /* dxfer_len */ 0, 3670 /* sense_len */ SSD_FULL_SIZE, 3671 sizeof(struct scsi_set_speed), 3672 /* timeout */ 50000); 3673 3674 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3675 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3676 3677 scsi_cmd->opcode = SET_CD_SPEED; 3678 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3679 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3680 3681 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3682 /*sense_flags*/SF_RETRY_UA); 3683 3684 xpt_release_ccb(ccb); 3685 3686 return(error); 3687 } 3688 3689 static int 3690 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3691 { 3692 union ccb *ccb; 3693 u_int8_t *databuf; 3694 u_int32_t lba; 3695 int error; 3696 int length; 3697 3698 error = 0; 3699 databuf = NULL; 3700 lba = 0; 3701 3702 ccb = cdgetccb(periph, /* priority */ 1); 3703 3704 switch (authinfo->format) { 3705 case DVD_REPORT_AGID: 3706 length = sizeof(struct scsi_report_key_data_agid); 3707 break; 3708 case DVD_REPORT_CHALLENGE: 3709 length = sizeof(struct scsi_report_key_data_challenge); 3710 break; 3711 case DVD_REPORT_KEY1: 3712 length = sizeof(struct scsi_report_key_data_key1_key2); 3713 break; 3714 case DVD_REPORT_TITLE_KEY: 3715 length = sizeof(struct scsi_report_key_data_title); 3716 /* The lba field is only set for the title key */ 3717 lba = authinfo->lba; 3718 break; 3719 case DVD_REPORT_ASF: 3720 length = sizeof(struct scsi_report_key_data_asf); 3721 break; 3722 case DVD_REPORT_RPC: 3723 length = sizeof(struct scsi_report_key_data_rpc); 3724 break; 3725 case DVD_INVALIDATE_AGID: 3726 length = 0; 3727 break; 3728 default: 3729 error = EINVAL; 3730 goto bailout; 3731 break; /* NOTREACHED */ 3732 } 3733 3734 if (length != 0) { 3735 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3736 } else 3737 databuf = NULL; 3738 3739 3740 scsi_report_key(&ccb->csio, 3741 /* retries */ 1, 3742 /* cbfcnp */ cddone, 3743 /* tag_action */ MSG_SIMPLE_Q_TAG, 3744 /* lba */ lba, 3745 /* agid */ authinfo->agid, 3746 /* key_format */ authinfo->format, 3747 /* data_ptr */ databuf, 3748 /* dxfer_len */ length, 3749 /* sense_len */ SSD_FULL_SIZE, 3750 /* timeout */ 50000); 3751 3752 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3753 /*sense_flags*/SF_RETRY_UA); 3754 3755 if (error != 0) 3756 goto bailout; 3757 3758 if (ccb->csio.resid != 0) { 3759 xpt_print_path(periph->path); 3760 printf("warning, residual for report key command is %d\n", 3761 ccb->csio.resid); 3762 } 3763 3764 switch(authinfo->format) { 3765 case DVD_REPORT_AGID: { 3766 struct scsi_report_key_data_agid *agid_data; 3767 3768 agid_data = (struct scsi_report_key_data_agid *)databuf; 3769 3770 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3771 RKD_AGID_SHIFT; 3772 break; 3773 } 3774 case DVD_REPORT_CHALLENGE: { 3775 struct scsi_report_key_data_challenge *chal_data; 3776 3777 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3778 3779 bcopy(chal_data->challenge_key, authinfo->keychal, 3780 min(sizeof(chal_data->challenge_key), 3781 sizeof(authinfo->keychal))); 3782 break; 3783 } 3784 case DVD_REPORT_KEY1: { 3785 struct scsi_report_key_data_key1_key2 *key1_data; 3786 3787 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3788 3789 bcopy(key1_data->key1, authinfo->keychal, 3790 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3791 break; 3792 } 3793 case DVD_REPORT_TITLE_KEY: { 3794 struct scsi_report_key_data_title *title_data; 3795 3796 title_data = (struct scsi_report_key_data_title *)databuf; 3797 3798 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3799 RKD_TITLE_CPM_SHIFT; 3800 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3801 RKD_TITLE_CP_SEC_SHIFT; 3802 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3803 RKD_TITLE_CMGS_SHIFT; 3804 bcopy(title_data->title_key, authinfo->keychal, 3805 min(sizeof(title_data->title_key), 3806 sizeof(authinfo->keychal))); 3807 break; 3808 } 3809 case DVD_REPORT_ASF: { 3810 struct scsi_report_key_data_asf *asf_data; 3811 3812 asf_data = (struct scsi_report_key_data_asf *)databuf; 3813 3814 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3815 break; 3816 } 3817 case DVD_REPORT_RPC: { 3818 struct scsi_report_key_data_rpc *rpc_data; 3819 3820 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3821 3822 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3823 RKD_RPC_TYPE_SHIFT; 3824 authinfo->vend_rsts = 3825 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3826 RKD_RPC_VENDOR_RESET_SHIFT; 3827 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3828 authinfo->region = rpc_data->region_mask; 3829 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3830 break; 3831 } 3832 case DVD_INVALIDATE_AGID: 3833 break; 3834 default: 3835 /* This should be impossible, since we checked above */ 3836 error = EINVAL; 3837 goto bailout; 3838 break; /* NOTREACHED */ 3839 } 3840 bailout: 3841 if (databuf != NULL) 3842 free(databuf, M_DEVBUF); 3843 3844 xpt_release_ccb(ccb); 3845 3846 return(error); 3847 } 3848 3849 static int 3850 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3851 { 3852 union ccb *ccb; 3853 u_int8_t *databuf; 3854 int length; 3855 int error; 3856 3857 error = 0; 3858 databuf = NULL; 3859 3860 ccb = cdgetccb(periph, /* priority */ 1); 3861 3862 switch(authinfo->format) { 3863 case DVD_SEND_CHALLENGE: { 3864 struct scsi_report_key_data_challenge *challenge_data; 3865 3866 length = sizeof(*challenge_data); 3867 3868 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3869 3870 databuf = (u_int8_t *)challenge_data; 3871 3872 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3873 challenge_data->data_len); 3874 3875 bcopy(authinfo->keychal, challenge_data->challenge_key, 3876 min(sizeof(authinfo->keychal), 3877 sizeof(challenge_data->challenge_key))); 3878 break; 3879 } 3880 case DVD_SEND_KEY2: { 3881 struct scsi_report_key_data_key1_key2 *key2_data; 3882 3883 length = sizeof(*key2_data); 3884 3885 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3886 3887 databuf = (u_int8_t *)key2_data; 3888 3889 scsi_ulto2b(length - sizeof(key2_data->data_len), 3890 key2_data->data_len); 3891 3892 bcopy(authinfo->keychal, key2_data->key1, 3893 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3894 3895 break; 3896 } 3897 case DVD_SEND_RPC: { 3898 struct scsi_send_key_data_rpc *rpc_data; 3899 3900 length = sizeof(*rpc_data); 3901 3902 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3903 3904 databuf = (u_int8_t *)rpc_data; 3905 3906 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3907 rpc_data->data_len); 3908 3909 rpc_data->region_code = authinfo->region; 3910 break; 3911 } 3912 default: 3913 error = EINVAL; 3914 goto bailout; 3915 break; /* NOTREACHED */ 3916 } 3917 3918 scsi_send_key(&ccb->csio, 3919 /* retries */ 1, 3920 /* cbfcnp */ cddone, 3921 /* tag_action */ MSG_SIMPLE_Q_TAG, 3922 /* agid */ authinfo->agid, 3923 /* key_format */ authinfo->format, 3924 /* data_ptr */ databuf, 3925 /* dxfer_len */ length, 3926 /* sense_len */ SSD_FULL_SIZE, 3927 /* timeout */ 50000); 3928 3929 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3930 /*sense_flags*/SF_RETRY_UA); 3931 3932 bailout: 3933 3934 if (databuf != NULL) 3935 free(databuf, M_DEVBUF); 3936 3937 xpt_release_ccb(ccb); 3938 3939 return(error); 3940 } 3941 3942 static int 3943 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3944 { 3945 union ccb *ccb; 3946 u_int8_t *databuf; 3947 u_int32_t address; 3948 int error; 3949 int length; 3950 3951 error = 0; 3952 databuf = NULL; 3953 /* The address is reserved for many of the formats */ 3954 address = 0; 3955 3956 ccb = cdgetccb(periph, /* priority */ 1); 3957 3958 switch(dvdstruct->format) { 3959 case DVD_STRUCT_PHYSICAL: 3960 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3961 break; 3962 case DVD_STRUCT_COPYRIGHT: 3963 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3964 break; 3965 case DVD_STRUCT_DISCKEY: 3966 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3967 break; 3968 case DVD_STRUCT_BCA: 3969 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3970 break; 3971 case DVD_STRUCT_MANUFACT: 3972 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3973 break; 3974 case DVD_STRUCT_CMI: 3975 error = ENODEV; 3976 goto bailout; 3977 #ifdef notyet 3978 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3979 address = dvdstruct->address; 3980 #endif 3981 break; /* NOTREACHED */ 3982 case DVD_STRUCT_PROTDISCID: 3983 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3984 break; 3985 case DVD_STRUCT_DISCKEYBLOCK: 3986 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3987 break; 3988 case DVD_STRUCT_DDS: 3989 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3990 break; 3991 case DVD_STRUCT_MEDIUM_STAT: 3992 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3993 break; 3994 case DVD_STRUCT_SPARE_AREA: 3995 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3996 break; 3997 case DVD_STRUCT_RMD_LAST: 3998 error = ENODEV; 3999 goto bailout; 4000 #ifdef notyet 4001 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4002 address = dvdstruct->address; 4003 #endif 4004 break; /* NOTREACHED */ 4005 case DVD_STRUCT_RMD_RMA: 4006 error = ENODEV; 4007 goto bailout; 4008 #ifdef notyet 4009 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4010 address = dvdstruct->address; 4011 #endif 4012 break; /* NOTREACHED */ 4013 case DVD_STRUCT_PRERECORDED: 4014 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4015 break; 4016 case DVD_STRUCT_UNIQUEID: 4017 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4018 break; 4019 case DVD_STRUCT_DCB: 4020 error = ENODEV; 4021 goto bailout; 4022 #ifdef notyet 4023 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4024 address = dvdstruct->address; 4025 #endif 4026 break; /* NOTREACHED */ 4027 case DVD_STRUCT_LIST: 4028 /* 4029 * This is the maximum allocation length for the READ DVD 4030 * STRUCTURE command. There's nothing in the MMC3 spec 4031 * that indicates a limit in the amount of data that can 4032 * be returned from this call, other than the limits 4033 * imposed by the 2-byte length variables. 4034 */ 4035 length = 65535; 4036 break; 4037 default: 4038 error = EINVAL; 4039 goto bailout; 4040 break; /* NOTREACHED */ 4041 } 4042 4043 if (length != 0) { 4044 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4045 } else 4046 databuf = NULL; 4047 4048 scsi_read_dvd_structure(&ccb->csio, 4049 /* retries */ 1, 4050 /* cbfcnp */ cddone, 4051 /* tag_action */ MSG_SIMPLE_Q_TAG, 4052 /* lba */ address, 4053 /* layer_number */ dvdstruct->layer_num, 4054 /* key_format */ dvdstruct->format, 4055 /* agid */ dvdstruct->agid, 4056 /* data_ptr */ databuf, 4057 /* dxfer_len */ length, 4058 /* sense_len */ SSD_FULL_SIZE, 4059 /* timeout */ 50000); 4060 4061 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4062 /*sense_flags*/SF_RETRY_UA); 4063 4064 if (error != 0) 4065 goto bailout; 4066 4067 switch(dvdstruct->format) { 4068 case DVD_STRUCT_PHYSICAL: { 4069 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4070 struct dvd_layer *outlayer; 4071 struct scsi_read_dvd_struct_data_physical *phys_data; 4072 4073 phys_data = 4074 (struct scsi_read_dvd_struct_data_physical *)databuf; 4075 inlayer = &phys_data->layer_desc; 4076 outlayer = (struct dvd_layer *)&dvdstruct->data; 4077 4078 dvdstruct->length = sizeof(*inlayer); 4079 4080 outlayer->book_type = (inlayer->book_type_version & 4081 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4082 outlayer->book_version = (inlayer->book_type_version & 4083 RDSD_BOOK_VERSION_MASK); 4084 outlayer->disc_size = (inlayer->disc_size_max_rate & 4085 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4086 outlayer->max_rate = (inlayer->disc_size_max_rate & 4087 RDSD_MAX_RATE_MASK); 4088 outlayer->nlayers = (inlayer->layer_info & 4089 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4090 outlayer->track_path = (inlayer->layer_info & 4091 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4092 outlayer->layer_type = (inlayer->layer_info & 4093 RDSD_LAYER_TYPE_MASK); 4094 outlayer->linear_density = (inlayer->density & 4095 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4096 outlayer->track_density = (inlayer->density & 4097 RDSD_TRACK_DENSITY_MASK); 4098 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4099 RDSD_BCA_SHIFT; 4100 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4101 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4102 outlayer->end_sector_l0 = 4103 scsi_3btoul(inlayer->end_sector_layer0); 4104 break; 4105 } 4106 case DVD_STRUCT_COPYRIGHT: { 4107 struct scsi_read_dvd_struct_data_copyright *copy_data; 4108 4109 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4110 databuf; 4111 4112 dvdstruct->cpst = copy_data->cps_type; 4113 dvdstruct->rmi = copy_data->region_info; 4114 dvdstruct->length = 0; 4115 4116 break; 4117 } 4118 default: 4119 /* 4120 * Tell the user what the overall length is, no matter 4121 * what we can actually fit in the data buffer. 4122 */ 4123 dvdstruct->length = length - ccb->csio.resid - 4124 sizeof(struct scsi_read_dvd_struct_data_header); 4125 4126 /* 4127 * But only actually copy out the smaller of what we read 4128 * in or what the structure can take. 4129 */ 4130 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4131 dvdstruct->data, 4132 min(sizeof(dvdstruct->data), dvdstruct->length)); 4133 break; 4134 } 4135 bailout: 4136 4137 if (databuf != NULL) 4138 free(databuf, M_DEVBUF); 4139 4140 xpt_release_ccb(ccb); 4141 4142 return(error); 4143 } 4144 4145 void 4146 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4147 void (*cbfcnp)(struct cam_periph *, union ccb *), 4148 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4149 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4150 u_int8_t sense_len, u_int32_t timeout) 4151 { 4152 struct scsi_report_key *scsi_cmd; 4153 4154 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4155 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4156 scsi_cmd->opcode = REPORT_KEY; 4157 scsi_ulto4b(lba, scsi_cmd->lba); 4158 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4159 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4160 (key_format & RK_KF_KEYFORMAT_MASK); 4161 4162 cam_fill_csio(csio, 4163 retries, 4164 cbfcnp, 4165 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4166 tag_action, 4167 /*data_ptr*/ data_ptr, 4168 /*dxfer_len*/ dxfer_len, 4169 sense_len, 4170 sizeof(*scsi_cmd), 4171 timeout); 4172 } 4173 4174 void 4175 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4176 void (*cbfcnp)(struct cam_periph *, union ccb *), 4177 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4178 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4179 u_int32_t timeout) 4180 { 4181 struct scsi_send_key *scsi_cmd; 4182 4183 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4184 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4185 scsi_cmd->opcode = SEND_KEY; 4186 4187 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4188 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4189 (key_format & RK_KF_KEYFORMAT_MASK); 4190 4191 cam_fill_csio(csio, 4192 retries, 4193 cbfcnp, 4194 /*flags*/ CAM_DIR_OUT, 4195 tag_action, 4196 /*data_ptr*/ data_ptr, 4197 /*dxfer_len*/ dxfer_len, 4198 sense_len, 4199 sizeof(*scsi_cmd), 4200 timeout); 4201 } 4202 4203 4204 void 4205 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4206 void (*cbfcnp)(struct cam_periph *, union ccb *), 4207 u_int8_t tag_action, u_int32_t address, 4208 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4209 u_int8_t *data_ptr, u_int32_t dxfer_len, 4210 u_int8_t sense_len, u_int32_t timeout) 4211 { 4212 struct scsi_read_dvd_structure *scsi_cmd; 4213 4214 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4215 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4216 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4217 4218 scsi_ulto4b(address, scsi_cmd->address); 4219 scsi_cmd->layer_number = layer_number; 4220 scsi_cmd->format = format; 4221 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4222 /* The AGID is the top two bits of this byte */ 4223 scsi_cmd->agid = agid << 6; 4224 4225 cam_fill_csio(csio, 4226 retries, 4227 cbfcnp, 4228 /*flags*/ CAM_DIR_IN, 4229 tag_action, 4230 /*data_ptr*/ data_ptr, 4231 /*dxfer_len*/ dxfer_len, 4232 sense_len, 4233 sizeof(*scsi_cmd), 4234 timeout); 4235 } 4236