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 66 #include <cam/cam.h> 67 #include <cam/cam_ccb.h> 68 #include <cam/cam_periph.h> 69 #include <cam/cam_xpt_periph.h> 70 #include <cam/cam_queue.h> 71 72 #include <cam/scsi/scsi_message.h> 73 #include <cam/scsi/scsi_da.h> 74 #include <cam/scsi/scsi_cd.h> 75 76 #define LEADOUT 0xaa /* leadout toc entry */ 77 78 struct cd_params { 79 u_int32_t blksize; 80 u_long disksize; 81 }; 82 83 typedef enum { 84 CD_Q_NONE = 0x00, 85 CD_Q_NO_TOUCH = 0x01, 86 CD_Q_BCD_TRACKS = 0x02, 87 CD_Q_NO_CHANGER = 0x04, 88 CD_Q_CHANGER = 0x08, 89 CD_Q_10_BYTE_ONLY = 0x10 90 } cd_quirks; 91 92 typedef enum { 93 CD_FLAG_INVALID = 0x001, 94 CD_FLAG_NEW_DISC = 0x002, 95 CD_FLAG_DISC_LOCKED = 0x004, 96 CD_FLAG_DISC_REMOVABLE = 0x008, 97 CD_FLAG_TAGGED_QUEUING = 0x010, 98 CD_FLAG_CHANGER = 0x040, 99 CD_FLAG_ACTIVE = 0x080, 100 CD_FLAG_SCHED_ON_COMP = 0x100, 101 CD_FLAG_RETRY_UA = 0x200, 102 CD_FLAG_VALID_MEDIA = 0x400, 103 CD_FLAG_VALID_TOC = 0x800 104 } cd_flags; 105 106 typedef enum { 107 CD_CCB_PROBE = 0x01, 108 CD_CCB_BUFFER_IO = 0x02, 109 CD_CCB_WAITING = 0x03, 110 CD_CCB_TYPE_MASK = 0x0F, 111 CD_CCB_RETRY_UA = 0x10 112 } cd_ccb_state; 113 114 typedef enum { 115 CHANGER_TIMEOUT_SCHED = 0x01, 116 CHANGER_SHORT_TMOUT_SCHED = 0x02, 117 CHANGER_MANUAL_CALL = 0x04, 118 CHANGER_NEED_TIMEOUT = 0x08 119 } cd_changer_flags; 120 121 #define ccb_state ppriv_field0 122 #define ccb_bp ppriv_ptr1 123 124 struct cd_tocdata { 125 struct ioc_toc_header header; 126 struct cd_toc_entry entries[100]; 127 }; 128 129 struct cd_toc_single { 130 struct ioc_toc_header header; 131 struct cd_toc_entry entry; 132 }; 133 134 typedef enum { 135 CD_STATE_PROBE, 136 CD_STATE_NORMAL 137 } cd_state; 138 139 struct cd_softc { 140 cam_pinfo pinfo; 141 cd_state state; 142 volatile cd_flags flags; 143 struct bio_queue_head bio_queue; 144 LIST_HEAD(, ccb_hdr) pending_ccbs; 145 struct cd_params params; 146 union ccb saved_ccb; 147 cd_quirks quirks; 148 struct devstat *device_stats; 149 STAILQ_ENTRY(cd_softc) changer_links; 150 struct cdchanger *changer; 151 int bufs_left; 152 struct cam_periph *periph; 153 dev_t dev; 154 eventhandler_tag clonetag; 155 int minimum_command_size; 156 int outstanding_cmds; 157 struct sysctl_ctx_list sysctl_ctx; 158 struct sysctl_oid *sysctl_tree; 159 STAILQ_HEAD(, cd_mode_params) mode_queue; 160 struct cd_tocdata toc; 161 }; 162 163 struct cd_page_sizes { 164 int page; 165 int page_size; 166 }; 167 168 static struct cd_page_sizes cd_page_size_table[] = 169 { 170 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 171 }; 172 173 struct cd_quirk_entry { 174 struct scsi_inquiry_pattern inq_pat; 175 cd_quirks quirks; 176 }; 177 178 /* 179 * The changer quirk entries aren't strictly necessary. Basically, what 180 * they do is tell cdregister() up front that a device is a changer. 181 * Otherwise, it will figure that fact out once it sees a LUN on the device 182 * that is greater than 0. If it is known up front that a device is a changer, 183 * all I/O to the device will go through the changer scheduling routines, as 184 * opposed to the "normal" CD code. 185 * 186 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 187 * your device hangs when it gets a 10 byte command. Adding a quirk just 188 * to get rid of the informative diagnostic message is not acceptable. All 189 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 190 * referenced in a comment along with the quirk) , and must be approved by 191 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 192 * be removed until the submitter can explain why they are needed. 193 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 194 * when the CAM_NEW_TRAN_CODE work is done. 195 */ 196 static struct cd_quirk_entry cd_quirk_table[] = 197 { 198 { 199 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 200 /*quirks*/ CD_Q_CHANGER 201 }, 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 204 "*"}, /* quirks */ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 208 /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 212 /* quirks */ CD_Q_BCD_TRACKS 213 } 214 }; 215 216 #define CD_CDEV_MAJOR 15 217 218 static d_open_t cdopen; 219 static d_close_t cdclose; 220 static d_ioctl_t cdioctl; 221 static d_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 static struct cdevsw cd_cdevsw = { 294 .d_open = cdopen, 295 .d_close = cdclose, 296 .d_read = physread, 297 .d_write = physwrite, 298 .d_ioctl = cdioctl, 299 .d_strategy = cdstrategy, 300 .d_name = "cd", 301 .d_maj = CD_CDEV_MAJOR, 302 .d_flags = D_DISK, 303 }; 304 305 static int num_changers; 306 307 #ifndef CHANGER_MIN_BUSY_SECONDS 308 #define CHANGER_MIN_BUSY_SECONDS 5 309 #endif 310 #ifndef CHANGER_MAX_BUSY_SECONDS 311 #define CHANGER_MAX_BUSY_SECONDS 15 312 #endif 313 314 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 315 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 316 317 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 318 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 319 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 320 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 321 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 322 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 323 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 324 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 325 326 struct cdchanger { 327 path_id_t path_id; 328 target_id_t target_id; 329 int num_devices; 330 struct camq devq; 331 struct timeval start_time; 332 struct cd_softc *cur_device; 333 struct callout_handle short_handle; 334 struct callout_handle long_handle; 335 volatile cd_changer_flags flags; 336 STAILQ_ENTRY(cdchanger) changer_links; 337 STAILQ_HEAD(chdevlist, cd_softc) chluns; 338 }; 339 340 static STAILQ_HEAD(changerlist, cdchanger) changerq; 341 342 static void 343 cdclone(void *arg, char *name, int namelen, dev_t *dev) 344 { 345 struct cd_softc *softc; 346 const char *p; 347 int l; 348 349 softc = arg; 350 p = devtoname(softc->dev); 351 l = strlen(p); 352 if (bcmp(name, p, l)) 353 return; 354 if (name[l] != 'a' && name[l] != 'c') 355 return; 356 if (name[l + 1] != '\0') 357 return; 358 *dev = softc->dev; 359 return; 360 } 361 362 static void 363 cdinit(void) 364 { 365 cam_status status; 366 struct cam_path *path; 367 368 /* 369 * Install a global async callback. This callback will 370 * receive async callbacks like "new device found". 371 */ 372 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 373 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 374 375 if (status == CAM_REQ_CMP) { 376 struct ccb_setasync csa; 377 378 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 379 csa.ccb_h.func_code = XPT_SASYNC_CB; 380 csa.event_enable = AC_FOUND_DEVICE; 381 csa.callback = cdasync; 382 csa.callback_arg = NULL; 383 xpt_action((union ccb *)&csa); 384 status = csa.ccb_h.status; 385 xpt_free_path(path); 386 } 387 388 if (status != CAM_REQ_CMP) { 389 printf("cd: Failed to attach master async callback " 390 "due to status 0x%x!\n", status); 391 } 392 } 393 394 static void 395 cdoninvalidate(struct cam_periph *periph) 396 { 397 int s; 398 struct cd_softc *softc; 399 struct ccb_setasync csa; 400 401 softc = (struct cd_softc *)periph->softc; 402 403 /* 404 * De-register any async callbacks. 405 */ 406 xpt_setup_ccb(&csa.ccb_h, periph->path, 407 /* priority */ 5); 408 csa.ccb_h.func_code = XPT_SASYNC_CB; 409 csa.event_enable = 0; 410 csa.callback = cdasync; 411 csa.callback_arg = periph; 412 xpt_action((union ccb *)&csa); 413 414 softc->flags |= CD_FLAG_INVALID; 415 416 /* 417 * Although the oninvalidate() routines are always called at 418 * splsoftcam, we need to be at splbio() here to keep the buffer 419 * queue from being modified while we traverse it. 420 */ 421 s = splbio(); 422 423 /* 424 * Return all queued I/O with ENXIO. 425 * XXX Handle any transactions queued to the card 426 * with XPT_ABORT_CCB. 427 */ 428 bioq_flush(&softc->bio_queue, NULL, ENXIO); 429 splx(s); 430 431 /* 432 * If this device is part of a changer, and it was scheduled 433 * to run, remove it from the run queue since we just nuked 434 * all of its scheduled I/O. 435 */ 436 if ((softc->flags & CD_FLAG_CHANGER) 437 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 438 camq_remove(&softc->changer->devq, softc->pinfo.index); 439 440 xpt_print_path(periph->path); 441 printf("lost device\n"); 442 } 443 444 static void 445 cdcleanup(struct cam_periph *periph) 446 { 447 struct cd_softc *softc; 448 int s; 449 450 softc = (struct cd_softc *)periph->softc; 451 452 xpt_print_path(periph->path); 453 printf("removing device entry\n"); 454 455 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 456 xpt_print_path(periph->path); 457 printf("can't remove sysctl context\n"); 458 } 459 460 s = splsoftcam(); 461 /* 462 * In the queued, non-active case, the device in question 463 * has already been removed from the changer run queue. Since this 464 * device is active, we need to de-activate it, and schedule 465 * another device to run. (if there is another one to run) 466 */ 467 if ((softc->flags & CD_FLAG_CHANGER) 468 && (softc->flags & CD_FLAG_ACTIVE)) { 469 470 /* 471 * The purpose of the short timeout is soley to determine 472 * whether the current device has finished or not. Well, 473 * since we're removing the active device, we know that it 474 * is finished. So, get rid of the short timeout. 475 * Otherwise, if we're in the time period before the short 476 * timeout fires, and there are no other devices in the 477 * queue to run, there won't be any other device put in the 478 * active slot. i.e., when we call cdrunchangerqueue() 479 * below, it won't do anything. Then, when the short 480 * timeout fires, it'll look at the "current device", which 481 * we are free below, and possibly panic the kernel on a 482 * bogus pointer reference. 483 * 484 * The long timeout doesn't really matter, since we 485 * decrement the qfrozen_cnt to indicate that there is 486 * nothing in the active slot now. Therefore, there won't 487 * be any bogus pointer references there. 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 softc->changer->devq.qfrozen_cnt--; 495 softc->changer->flags |= CHANGER_MANUAL_CALL; 496 cdrunchangerqueue(softc->changer); 497 } 498 499 /* 500 * If we're removing the last device on the changer, go ahead and 501 * remove the changer device structure. 502 */ 503 if ((softc->flags & CD_FLAG_CHANGER) 504 && (--softc->changer->num_devices == 0)) { 505 506 /* 507 * Theoretically, there shouldn't be any timeouts left, but 508 * I'm not completely sure that that will be the case. So, 509 * it won't hurt to check and see if there are any left. 510 */ 511 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 512 untimeout(cdrunchangerqueue, softc->changer, 513 softc->changer->long_handle); 514 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 515 } 516 517 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 518 untimeout(cdshorttimeout, softc->changer, 519 softc->changer->short_handle); 520 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 521 } 522 523 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 524 changer_links); 525 xpt_print_path(periph->path); 526 printf("removing changer entry\n"); 527 free(softc->changer, M_DEVBUF); 528 num_changers--; 529 } 530 devstat_remove_entry(softc->device_stats); 531 destroy_dev(softc->dev); 532 EVENTHANDLER_DEREGISTER(dev_clone, softc->clonetag); 533 free(softc, M_DEVBUF); 534 splx(s); 535 } 536 537 static void 538 cdasync(void *callback_arg, u_int32_t code, 539 struct cam_path *path, void *arg) 540 { 541 struct cam_periph *periph; 542 543 periph = (struct cam_periph *)callback_arg; 544 switch (code) { 545 case AC_FOUND_DEVICE: 546 { 547 struct ccb_getdev *cgd; 548 cam_status status; 549 550 cgd = (struct ccb_getdev *)arg; 551 if (cgd == NULL) 552 break; 553 554 if (SID_TYPE(&cgd->inq_data) != T_CDROM 555 && SID_TYPE(&cgd->inq_data) != T_WORM) 556 break; 557 558 /* 559 * Allocate a peripheral instance for 560 * this device and start the probe 561 * process. 562 */ 563 status = cam_periph_alloc(cdregister, cdoninvalidate, 564 cdcleanup, cdstart, 565 "cd", CAM_PERIPH_BIO, 566 cgd->ccb_h.path, cdasync, 567 AC_FOUND_DEVICE, cgd); 568 569 if (status != CAM_REQ_CMP 570 && status != CAM_REQ_INPROG) 571 printf("cdasync: Unable to attach new device " 572 "due to status 0x%x\n", status); 573 574 break; 575 } 576 case AC_SENT_BDR: 577 case AC_BUS_RESET: 578 { 579 struct cd_softc *softc; 580 struct ccb_hdr *ccbh; 581 int s; 582 583 softc = (struct cd_softc *)periph->softc; 584 s = splsoftcam(); 585 /* 586 * Don't fail on the expected unit attention 587 * that will occur. 588 */ 589 softc->flags |= CD_FLAG_RETRY_UA; 590 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 591 ccbh->ccb_state |= CD_CCB_RETRY_UA; 592 splx(s); 593 /* FALLTHROUGH */ 594 } 595 default: 596 cam_periph_async(periph, code, path, arg); 597 break; 598 } 599 } 600 601 /* 602 * We have a handler function for this so we can check the values when the 603 * user sets them, instead of every time we look at them. 604 */ 605 static int 606 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 607 { 608 int error, value; 609 610 value = *(int *)arg1; 611 612 error = sysctl_handle_int(oidp, &value, 0, req); 613 614 if ((error != 0) 615 || (req->newptr == NULL)) 616 return (error); 617 618 /* 619 * The only real values we can have here are 6 or 10. I don't 620 * really forsee having 12 be an option at any time in the future. 621 * So if the user sets something less than or equal to 6, we'll set 622 * it to 6. If he sets something greater than 6, we'll set it to 10. 623 * 624 * I suppose we could just return an error here for the wrong values, 625 * but I don't think it's necessary to do so, as long as we can 626 * determine the user's intent without too much trouble. 627 */ 628 if (value < 6) 629 value = 6; 630 else if (value > 6) 631 value = 10; 632 633 *(int *)arg1 = value; 634 635 return (0); 636 } 637 638 static cam_status 639 cdregister(struct cam_periph *periph, void *arg) 640 { 641 struct cd_softc *softc; 642 struct ccb_setasync csa; 643 struct ccb_getdev *cgd; 644 char tmpstr[80], tmpstr2[80]; 645 caddr_t match; 646 647 cgd = (struct ccb_getdev *)arg; 648 if (periph == NULL) { 649 printf("cdregister: periph was NULL!!\n"); 650 return(CAM_REQ_CMP_ERR); 651 } 652 if (cgd == NULL) { 653 printf("cdregister: no getdev CCB, can't register device\n"); 654 return(CAM_REQ_CMP_ERR); 655 } 656 657 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 658 659 if (softc == NULL) { 660 printf("cdregister: Unable to probe new device. " 661 "Unable to allocate softc\n"); 662 return(CAM_REQ_CMP_ERR); 663 } 664 665 bzero(softc, sizeof(*softc)); 666 LIST_INIT(&softc->pending_ccbs); 667 STAILQ_INIT(&softc->mode_queue); 668 softc->state = CD_STATE_PROBE; 669 bioq_init(&softc->bio_queue); 670 if (SID_IS_REMOVABLE(&cgd->inq_data)) 671 softc->flags |= CD_FLAG_DISC_REMOVABLE; 672 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 673 softc->flags |= CD_FLAG_TAGGED_QUEUING; 674 675 periph->softc = softc; 676 softc->periph = periph; 677 678 /* 679 * See if this device has any quirks. 680 */ 681 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 682 (caddr_t)cd_quirk_table, 683 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 684 sizeof(*cd_quirk_table), scsi_inquiry_match); 685 686 if (match != NULL) 687 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 688 else 689 softc->quirks = CD_Q_NONE; 690 691 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 692 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 693 sysctl_ctx_init(&softc->sysctl_ctx); 694 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 695 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 696 tmpstr2, CTLFLAG_RD, 0, tmpstr); 697 if (softc->sysctl_tree == NULL) { 698 printf("cdregister: unable to allocate sysctl tree\n"); 699 free(softc, M_DEVBUF); 700 return (CAM_REQ_CMP_ERR); 701 } 702 703 /* The default is 6 byte commands, unless quirked otherwise */ 704 if (softc->quirks & CD_Q_10_BYTE_ONLY) 705 softc->minimum_command_size = 10; 706 else 707 softc->minimum_command_size = 6; 708 709 /* 710 * Load the user's default, if any. 711 */ 712 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 713 periph->unit_number); 714 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 715 716 /* 6 and 10 are the only permissible values here. */ 717 if (softc->minimum_command_size < 6) 718 softc->minimum_command_size = 6; 719 else if (softc->minimum_command_size > 6) 720 softc->minimum_command_size = 10; 721 722 /* 723 * Now register the sysctl handler, so the user can the value on 724 * the fly. 725 */ 726 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 727 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 728 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 729 "Minimum CDB size"); 730 731 /* 732 * We need to register the statistics structure for this device, 733 * but we don't have the blocksize yet for it. So, we register 734 * the structure and indicate that we don't have the blocksize 735 * yet. Unlike other SCSI peripheral drivers, we explicitly set 736 * the device type here to be CDROM, rather than just ORing in 737 * the device type. This is because this driver can attach to either 738 * CDROM or WORM devices, and we want this peripheral driver to 739 * show up in the devstat list as a CD peripheral driver, not a 740 * WORM peripheral driver. WORM drives will also have the WORM 741 * driver attached to them. 742 */ 743 softc->device_stats = devstat_new_entry("cd", 744 periph->unit_number, 0, 745 DEVSTAT_BS_UNAVAILABLE, 746 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 747 DEVSTAT_PRIORITY_CD); 748 softc->dev = make_dev(&cd_cdevsw, periph->unit_number, 749 UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number); 750 softc->dev->si_drv1 = periph; 751 softc->clonetag = 752 EVENTHANDLER_REGISTER(dev_clone, cdclone, softc, 1000); 753 754 /* 755 * Add an async callback so that we get 756 * notified if this device goes away. 757 */ 758 xpt_setup_ccb(&csa.ccb_h, periph->path, 759 /* priority */ 5); 760 csa.ccb_h.func_code = XPT_SASYNC_CB; 761 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 762 csa.callback = cdasync; 763 csa.callback_arg = periph; 764 xpt_action((union ccb *)&csa); 765 766 /* 767 * If the target lun is greater than 0, we most likely have a CD 768 * changer device. Check the quirk entries as well, though, just 769 * in case someone has a CD tower with one lun per drive or 770 * something like that. Also, if we know up front that a 771 * particular device is a changer, we can mark it as such starting 772 * with lun 0, instead of lun 1. It shouldn't be necessary to have 773 * a quirk entry to define something as a changer, however. 774 */ 775 if (((cgd->ccb_h.target_lun > 0) 776 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 777 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 778 struct cdchanger *nchanger; 779 struct cam_periph *nperiph; 780 struct cam_path *path; 781 cam_status status; 782 int found; 783 784 /* Set the changer flag in the current device's softc */ 785 softc->flags |= CD_FLAG_CHANGER; 786 787 if (num_changers == 0) 788 STAILQ_INIT(&changerq); 789 790 /* 791 * Now, look around for an existing changer device with the 792 * same path and target ID as the current device. 793 */ 794 for (found = 0, 795 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 796 nchanger != NULL; 797 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 798 if ((nchanger->path_id == cgd->ccb_h.path_id) 799 && (nchanger->target_id == cgd->ccb_h.target_id)) { 800 found = 1; 801 break; 802 } 803 } 804 805 /* 806 * If we found a matching entry, just add this device to 807 * the list of devices on this changer. 808 */ 809 if (found == 1) { 810 struct chdevlist *chlunhead; 811 812 chlunhead = &nchanger->chluns; 813 814 /* 815 * XXX KDM look at consolidating this code with the 816 * code below in a separate function. 817 */ 818 819 /* 820 * Create a path with lun id 0, and see if we can 821 * find a matching device 822 */ 823 status = xpt_create_path(&path, /*periph*/ periph, 824 cgd->ccb_h.path_id, 825 cgd->ccb_h.target_id, 0); 826 827 if ((status == CAM_REQ_CMP) 828 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 829 struct cd_softc *nsoftc; 830 831 nsoftc = (struct cd_softc *)nperiph->softc; 832 833 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 834 nsoftc->flags |= CD_FLAG_CHANGER; 835 nchanger->num_devices++; 836 if (camq_resize(&nchanger->devq, 837 nchanger->num_devices)!=CAM_REQ_CMP){ 838 printf("cdregister: " 839 "camq_resize " 840 "failed, changer " 841 "support may " 842 "be messed up\n"); 843 } 844 nsoftc->changer = nchanger; 845 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 846 847 STAILQ_INSERT_TAIL(&nchanger->chluns, 848 nsoftc,changer_links); 849 } 850 xpt_free_path(path); 851 } else if (status == CAM_REQ_CMP) 852 xpt_free_path(path); 853 else { 854 printf("cdregister: unable to allocate path\n" 855 "cdregister: changer support may be " 856 "broken\n"); 857 } 858 859 nchanger->num_devices++; 860 861 softc->changer = nchanger; 862 softc->pinfo.index = CAM_UNQUEUED_INDEX; 863 864 if (camq_resize(&nchanger->devq, 865 nchanger->num_devices) != CAM_REQ_CMP) { 866 printf("cdregister: camq_resize " 867 "failed, changer support may " 868 "be messed up\n"); 869 } 870 871 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 872 } 873 /* 874 * In this case, we don't already have an entry for this 875 * particular changer, so we need to create one, add it to 876 * the queue, and queue this device on the list for this 877 * changer. Before we queue this device, however, we need 878 * to search for lun id 0 on this target, and add it to the 879 * queue first, if it exists. (and if it hasn't already 880 * been marked as part of the changer.) 881 */ 882 else { 883 nchanger = malloc(sizeof(struct cdchanger), 884 M_DEVBUF, M_NOWAIT); 885 886 if (nchanger == NULL) { 887 softc->flags &= ~CD_FLAG_CHANGER; 888 printf("cdregister: unable to malloc " 889 "changer structure\ncdregister: " 890 "changer support disabled\n"); 891 892 /* 893 * Yes, gotos can be gross but in this case 894 * I think it's justified.. 895 */ 896 goto cdregisterexit; 897 } 898 899 /* zero the structure */ 900 bzero(nchanger, sizeof(struct cdchanger)); 901 902 if (camq_init(&nchanger->devq, 1) != 0) { 903 softc->flags &= ~CD_FLAG_CHANGER; 904 printf("cdregister: changer support " 905 "disabled\n"); 906 goto cdregisterexit; 907 } 908 909 num_changers++; 910 911 nchanger->path_id = cgd->ccb_h.path_id; 912 nchanger->target_id = cgd->ccb_h.target_id; 913 914 /* this is superfluous, but it makes things clearer */ 915 nchanger->num_devices = 0; 916 917 STAILQ_INIT(&nchanger->chluns); 918 919 STAILQ_INSERT_TAIL(&changerq, nchanger, 920 changer_links); 921 922 /* 923 * Create a path with lun id 0, and see if we can 924 * find a matching device 925 */ 926 status = xpt_create_path(&path, /*periph*/ periph, 927 cgd->ccb_h.path_id, 928 cgd->ccb_h.target_id, 0); 929 930 /* 931 * If we were able to allocate the path, and if we 932 * find a matching device and it isn't already 933 * marked as part of a changer, then we add it to 934 * the current changer. 935 */ 936 if ((status == CAM_REQ_CMP) 937 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 938 && ((((struct cd_softc *)periph->softc)->flags & 939 CD_FLAG_CHANGER) == 0)) { 940 struct cd_softc *nsoftc; 941 942 nsoftc = (struct cd_softc *)nperiph->softc; 943 944 nsoftc->flags |= CD_FLAG_CHANGER; 945 nchanger->num_devices++; 946 if (camq_resize(&nchanger->devq, 947 nchanger->num_devices) != CAM_REQ_CMP) { 948 printf("cdregister: camq_resize " 949 "failed, changer support may " 950 "be messed up\n"); 951 } 952 nsoftc->changer = nchanger; 953 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 954 955 STAILQ_INSERT_TAIL(&nchanger->chluns, 956 nsoftc, changer_links); 957 xpt_free_path(path); 958 } else if (status == CAM_REQ_CMP) 959 xpt_free_path(path); 960 else { 961 printf("cdregister: unable to allocate path\n" 962 "cdregister: changer support may be " 963 "broken\n"); 964 } 965 966 softc->changer = nchanger; 967 softc->pinfo.index = CAM_UNQUEUED_INDEX; 968 nchanger->num_devices++; 969 if (camq_resize(&nchanger->devq, 970 nchanger->num_devices) != CAM_REQ_CMP) { 971 printf("cdregister: camq_resize " 972 "failed, changer support may " 973 "be messed up\n"); 974 } 975 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 976 changer_links); 977 } 978 } 979 980 cdregisterexit: 981 982 /* Lock this peripheral until we are setup */ 983 /* Can't block */ 984 cam_periph_lock(periph, PRIBIO); 985 986 if ((softc->flags & CD_FLAG_CHANGER) == 0) 987 xpt_schedule(periph, /*priority*/5); 988 else 989 cdschedule(periph, /*priority*/ 5); 990 991 return(CAM_REQ_CMP); 992 } 993 994 static int 995 cdopen(dev_t dev, int flags, int fmt, struct thread *td) 996 { 997 struct cam_periph *periph; 998 struct cd_softc *softc; 999 int error; 1000 int s; 1001 1002 periph = (struct cam_periph *)dev->si_drv1; 1003 if (periph == NULL) 1004 return (ENXIO); 1005 1006 softc = (struct cd_softc *)periph->softc; 1007 1008 /* 1009 * Grab splsoftcam and hold it until we lock the peripheral. 1010 */ 1011 s = splsoftcam(); 1012 if (softc->flags & CD_FLAG_INVALID) { 1013 splx(s); 1014 return(ENXIO); 1015 } 1016 1017 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1018 splx(s); 1019 return (error); 1020 } 1021 1022 splx(s); 1023 1024 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1025 return(ENXIO); 1026 1027 /* 1028 * Check for media, and set the appropriate flags. We don't bail 1029 * if we don't have media, but then we don't allow anything but the 1030 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1031 */ 1032 cdcheckmedia(periph); 1033 1034 cam_periph_unlock(periph); 1035 1036 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1037 1038 return (error); 1039 } 1040 1041 static int 1042 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1043 { 1044 struct cam_periph *periph; 1045 struct cd_softc *softc; 1046 int error; 1047 1048 periph = (struct cam_periph *)dev->si_drv1; 1049 if (periph == NULL) 1050 return (ENXIO); 1051 1052 softc = (struct cd_softc *)periph->softc; 1053 1054 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1055 return (error); 1056 1057 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1058 cdprevent(periph, PR_ALLOW); 1059 1060 /* 1061 * Since we're closing this CD, mark the blocksize as unavailable. 1062 * It will be marked as available when the CD is opened again. 1063 */ 1064 softc->device_stats->flags |= DEVSTAT_BS_UNAVAILABLE; 1065 1066 /* 1067 * We'll check the media and toc again at the next open(). 1068 */ 1069 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1070 1071 cam_periph_unlock(periph); 1072 cam_periph_release(periph); 1073 1074 return (0); 1075 } 1076 1077 static void 1078 cdshorttimeout(void *arg) 1079 { 1080 struct cdchanger *changer; 1081 int s; 1082 1083 s = splsoftcam(); 1084 1085 changer = (struct cdchanger *)arg; 1086 1087 /* Always clear the short timeout flag, since that's what we're in */ 1088 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1089 1090 /* 1091 * Check to see if there is any more pending or outstanding I/O for 1092 * this device. If not, move it out of the active slot. 1093 */ 1094 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1095 && (changer->cur_device->outstanding_cmds == 0)) { 1096 changer->flags |= CHANGER_MANUAL_CALL; 1097 cdrunchangerqueue(changer); 1098 } 1099 1100 splx(s); 1101 } 1102 1103 /* 1104 * This is a wrapper for xpt_schedule. It only applies to changers. 1105 */ 1106 static void 1107 cdschedule(struct cam_periph *periph, int priority) 1108 { 1109 struct cd_softc *softc; 1110 int s; 1111 1112 s = splsoftcam(); 1113 1114 softc = (struct cd_softc *)periph->softc; 1115 1116 /* 1117 * If this device isn't currently queued, and if it isn't 1118 * the active device, then we queue this device and run the 1119 * changer queue if there is no timeout scheduled to do it. 1120 * If this device is the active device, just schedule it 1121 * to run again. If this device is queued, there should be 1122 * a timeout in place already that will make sure it runs. 1123 */ 1124 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1125 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1126 /* 1127 * We don't do anything with the priority here. 1128 * This is strictly a fifo queue. 1129 */ 1130 softc->pinfo.priority = 1; 1131 softc->pinfo.generation = ++softc->changer->devq.generation; 1132 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1133 1134 /* 1135 * Since we just put a device in the changer queue, 1136 * check and see if there is a timeout scheduled for 1137 * this changer. If so, let the timeout handle 1138 * switching this device into the active slot. If 1139 * not, manually call the timeout routine to 1140 * bootstrap things. 1141 */ 1142 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1143 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1144 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1145 softc->changer->flags |= CHANGER_MANUAL_CALL; 1146 cdrunchangerqueue(softc->changer); 1147 } 1148 } else if ((softc->flags & CD_FLAG_ACTIVE) 1149 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1150 xpt_schedule(periph, priority); 1151 1152 splx(s); 1153 1154 } 1155 1156 static void 1157 cdrunchangerqueue(void *arg) 1158 { 1159 struct cd_softc *softc; 1160 struct cdchanger *changer; 1161 int called_from_timeout; 1162 int s; 1163 1164 s = splsoftcam(); 1165 1166 changer = (struct cdchanger *)arg; 1167 1168 /* 1169 * If we have NOT been called from cdstrategy() or cddone(), and 1170 * instead from a timeout routine, go ahead and clear the 1171 * timeout flag. 1172 */ 1173 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1174 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1175 called_from_timeout = 1; 1176 } else 1177 called_from_timeout = 0; 1178 1179 /* Always clear the manual call flag */ 1180 changer->flags &= ~CHANGER_MANUAL_CALL; 1181 1182 /* nothing to do if the queue is empty */ 1183 if (changer->devq.entries <= 0) { 1184 splx(s); 1185 return; 1186 } 1187 1188 /* 1189 * If the changer queue is frozen, that means we have an active 1190 * device. 1191 */ 1192 if (changer->devq.qfrozen_cnt > 0) { 1193 1194 if (changer->cur_device->outstanding_cmds > 0) { 1195 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1196 changer->cur_device->bufs_left = 1197 changer->cur_device->outstanding_cmds; 1198 if (called_from_timeout) { 1199 changer->long_handle = 1200 timeout(cdrunchangerqueue, changer, 1201 changer_max_busy_seconds * hz); 1202 changer->flags |= CHANGER_TIMEOUT_SCHED; 1203 } 1204 splx(s); 1205 return; 1206 } 1207 1208 /* 1209 * We always need to reset the frozen count and clear the 1210 * active flag. 1211 */ 1212 changer->devq.qfrozen_cnt--; 1213 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1214 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1215 1216 /* 1217 * Check to see whether the current device has any I/O left 1218 * to do. If so, requeue it at the end of the queue. If 1219 * not, there is no need to requeue it. 1220 */ 1221 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1222 1223 changer->cur_device->pinfo.generation = 1224 ++changer->devq.generation; 1225 camq_insert(&changer->devq, 1226 (cam_pinfo *)changer->cur_device); 1227 } 1228 } 1229 1230 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1231 1232 changer->cur_device = softc; 1233 1234 changer->devq.qfrozen_cnt++; 1235 softc->flags |= CD_FLAG_ACTIVE; 1236 1237 /* Just in case this device is waiting */ 1238 wakeup(&softc->changer); 1239 xpt_schedule(softc->periph, /*priority*/ 1); 1240 1241 /* 1242 * Get rid of any pending timeouts, and set a flag to schedule new 1243 * ones so this device gets its full time quantum. 1244 */ 1245 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1246 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1247 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1248 } 1249 1250 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1251 untimeout(cdshorttimeout, changer, changer->short_handle); 1252 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1253 } 1254 1255 /* 1256 * We need to schedule timeouts, but we only do this after the 1257 * first transaction has completed. This eliminates the changer 1258 * switch time. 1259 */ 1260 changer->flags |= CHANGER_NEED_TIMEOUT; 1261 1262 splx(s); 1263 } 1264 1265 static void 1266 cdchangerschedule(struct cd_softc *softc) 1267 { 1268 struct cdchanger *changer; 1269 int s; 1270 1271 s = splsoftcam(); 1272 1273 changer = softc->changer; 1274 1275 /* 1276 * If this is a changer, and this is the current device, 1277 * and this device has at least the minimum time quantum to 1278 * run, see if we can switch it out. 1279 */ 1280 if ((softc->flags & CD_FLAG_ACTIVE) 1281 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1282 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1283 /* 1284 * We try three things here. The first is that we 1285 * check to see whether the schedule on completion 1286 * flag is set. If it is, we decrement the number 1287 * of buffers left, and if it's zero, we reschedule. 1288 * Next, we check to see whether the pending buffer 1289 * queue is empty and whether there are no 1290 * outstanding transactions. If so, we reschedule. 1291 * Next, we see if the pending buffer queue is empty. 1292 * If it is, we set the number of buffers left to 1293 * the current active buffer count and set the 1294 * schedule on complete flag. 1295 */ 1296 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1297 if (--softc->bufs_left == 0) { 1298 softc->changer->flags |= 1299 CHANGER_MANUAL_CALL; 1300 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1301 cdrunchangerqueue(softc->changer); 1302 } 1303 } else if ((bioq_first(&softc->bio_queue) == NULL) 1304 && (softc->outstanding_cmds == 0)) { 1305 softc->changer->flags |= CHANGER_MANUAL_CALL; 1306 cdrunchangerqueue(softc->changer); 1307 } 1308 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1309 && (softc->flags & CD_FLAG_ACTIVE)) { 1310 1311 /* 1312 * Now that the first transaction to this 1313 * particular device has completed, we can go ahead 1314 * and schedule our timeouts. 1315 */ 1316 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1317 changer->long_handle = 1318 timeout(cdrunchangerqueue, changer, 1319 changer_max_busy_seconds * hz); 1320 changer->flags |= CHANGER_TIMEOUT_SCHED; 1321 } else 1322 printf("cdchangerschedule: already have a long" 1323 " timeout!\n"); 1324 1325 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1326 changer->short_handle = 1327 timeout(cdshorttimeout, changer, 1328 changer_min_busy_seconds * hz); 1329 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1330 } else 1331 printf("cdchangerschedule: already have a short " 1332 "timeout!\n"); 1333 1334 /* 1335 * We just scheduled timeouts, no need to schedule 1336 * more. 1337 */ 1338 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1339 1340 } 1341 splx(s); 1342 } 1343 1344 static int 1345 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1346 u_int32_t cam_flags, 1347 u_int32_t sense_flags), 1348 u_int32_t cam_flags, u_int32_t sense_flags) 1349 { 1350 struct cd_softc *softc; 1351 struct cam_periph *periph; 1352 int error; 1353 1354 periph = xpt_path_periph(ccb->ccb_h.path); 1355 softc = (struct cd_softc *)periph->softc; 1356 1357 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1358 softc->device_stats); 1359 1360 if (softc->flags & CD_FLAG_CHANGER) 1361 cdchangerschedule(softc); 1362 1363 return(error); 1364 } 1365 1366 static union ccb * 1367 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1368 { 1369 struct cd_softc *softc; 1370 int s; 1371 1372 softc = (struct cd_softc *)periph->softc; 1373 1374 if (softc->flags & CD_FLAG_CHANGER) { 1375 1376 s = splsoftcam(); 1377 1378 /* 1379 * This should work the first time this device is woken up, 1380 * but just in case it doesn't, we use a while loop. 1381 */ 1382 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1383 /* 1384 * If this changer isn't already queued, queue it up. 1385 */ 1386 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1387 softc->pinfo.priority = 1; 1388 softc->pinfo.generation = 1389 ++softc->changer->devq.generation; 1390 camq_insert(&softc->changer->devq, 1391 (cam_pinfo *)softc); 1392 } 1393 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1394 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1395 && ((softc->changer->flags 1396 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1397 softc->changer->flags |= CHANGER_MANUAL_CALL; 1398 cdrunchangerqueue(softc->changer); 1399 } else 1400 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1401 } 1402 splx(s); 1403 } 1404 return(cam_periph_getccb(periph, priority)); 1405 } 1406 1407 1408 /* 1409 * Actually translate the requested transfer into one the physical driver 1410 * can understand. The transfer is described by a buf and will include 1411 * only one physical transfer. 1412 */ 1413 static void 1414 cdstrategy(struct bio *bp) 1415 { 1416 struct cam_periph *periph; 1417 struct cd_softc *softc; 1418 int s; 1419 1420 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1421 if (periph == NULL) { 1422 biofinish(bp, NULL, ENXIO); 1423 return; 1424 } 1425 1426 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1427 1428 softc = (struct cd_softc *)periph->softc; 1429 1430 /* 1431 * Mask interrupts so that the pack cannot be invalidated until 1432 * after we are in the queue. Otherwise, we might not properly 1433 * clean up one of the buffers. 1434 */ 1435 s = splbio(); 1436 1437 /* 1438 * If the device has been made invalid, error out 1439 */ 1440 if ((softc->flags & CD_FLAG_INVALID)) { 1441 splx(s); 1442 biofinish(bp, NULL, ENXIO); 1443 return; 1444 } 1445 1446 /* 1447 * If we don't have valid media, look for it before trying to 1448 * schedule the I/O. 1449 */ 1450 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1451 int error; 1452 1453 error = cdcheckmedia(periph); 1454 if (error != 0) { 1455 splx(s); 1456 biofinish(bp, NULL, error); 1457 return; 1458 } 1459 } 1460 1461 /* 1462 * Place it in the queue of disk activities for this disk 1463 */ 1464 bioq_disksort(&softc->bio_queue, bp); 1465 1466 splx(s); 1467 1468 /* 1469 * Schedule ourselves for performing the work. We do things 1470 * differently for changers. 1471 */ 1472 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1473 xpt_schedule(periph, /* XXX priority */1); 1474 else 1475 cdschedule(periph, /* priority */ 1); 1476 1477 return; 1478 } 1479 1480 static void 1481 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1482 { 1483 struct cd_softc *softc; 1484 struct bio *bp; 1485 struct ccb_scsiio *csio; 1486 struct scsi_read_capacity_data *rcap; 1487 int s; 1488 1489 softc = (struct cd_softc *)periph->softc; 1490 1491 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1492 1493 switch (softc->state) { 1494 case CD_STATE_NORMAL: 1495 { 1496 int oldspl; 1497 1498 s = splbio(); 1499 bp = bioq_first(&softc->bio_queue); 1500 if (periph->immediate_priority <= periph->pinfo.priority) { 1501 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1502 1503 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1504 periph_links.sle); 1505 periph->immediate_priority = CAM_PRIORITY_NONE; 1506 splx(s); 1507 wakeup(&periph->ccb_list); 1508 } else if (bp == NULL) { 1509 splx(s); 1510 xpt_release_ccb(start_ccb); 1511 } else { 1512 bioq_remove(&softc->bio_queue, bp); 1513 1514 devstat_start_transaction_bio(softc->device_stats, bp); 1515 1516 scsi_read_write(&start_ccb->csio, 1517 /*retries*/4, 1518 /* cbfcnp */ cddone, 1519 MSG_SIMPLE_Q_TAG, 1520 /* read */bp->bio_cmd == BIO_READ, 1521 /* byte2 */ 0, 1522 /* minimum_cmd_size */ 10, 1523 /* lba */ bp->bio_blkno / 1524 (softc->params.blksize / DEV_BSIZE), 1525 bp->bio_bcount / softc->params.blksize, 1526 /* data_ptr */ bp->bio_data, 1527 /* dxfer_len */ bp->bio_bcount, 1528 /* sense_len */ SSD_FULL_SIZE, 1529 /* timeout */ 30000); 1530 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1531 1532 1533 /* 1534 * Block out any asyncronous callbacks 1535 * while we touch the pending ccb list. 1536 */ 1537 oldspl = splcam(); 1538 LIST_INSERT_HEAD(&softc->pending_ccbs, 1539 &start_ccb->ccb_h, periph_links.le); 1540 softc->outstanding_cmds++; 1541 splx(oldspl); 1542 1543 /* We expect a unit attention from this device */ 1544 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1545 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1546 softc->flags &= ~CD_FLAG_RETRY_UA; 1547 } 1548 1549 start_ccb->ccb_h.ccb_bp = bp; 1550 bp = bioq_first(&softc->bio_queue); 1551 splx(s); 1552 1553 xpt_action(start_ccb); 1554 } 1555 if (bp != NULL) { 1556 /* Have more work to do, so ensure we stay scheduled */ 1557 xpt_schedule(periph, /* XXX priority */1); 1558 } 1559 break; 1560 } 1561 case CD_STATE_PROBE: 1562 { 1563 1564 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1565 M_TEMP, 1566 M_NOWAIT); 1567 if (rcap == NULL) { 1568 xpt_print_path(periph->path); 1569 printf("cdstart: Couldn't malloc read_capacity data\n"); 1570 /* cd_free_periph??? */ 1571 break; 1572 } 1573 csio = &start_ccb->csio; 1574 scsi_read_capacity(csio, 1575 /*retries*/1, 1576 cddone, 1577 MSG_SIMPLE_Q_TAG, 1578 rcap, 1579 SSD_FULL_SIZE, 1580 /*timeout*/20000); 1581 start_ccb->ccb_h.ccb_bp = NULL; 1582 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1583 xpt_action(start_ccb); 1584 break; 1585 } 1586 } 1587 } 1588 1589 static void 1590 cddone(struct cam_periph *periph, union ccb *done_ccb) 1591 { 1592 struct cd_softc *softc; 1593 struct ccb_scsiio *csio; 1594 1595 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1596 1597 softc = (struct cd_softc *)periph->softc; 1598 csio = &done_ccb->csio; 1599 1600 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1601 case CD_CCB_BUFFER_IO: 1602 { 1603 struct bio *bp; 1604 int error; 1605 int oldspl; 1606 1607 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1608 error = 0; 1609 1610 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1611 int sf; 1612 1613 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1614 sf = SF_RETRY_UA; 1615 else 1616 sf = 0; 1617 1618 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1619 if (error == ERESTART) { 1620 /* 1621 * A retry was scheuled, so 1622 * just return. 1623 */ 1624 return; 1625 } 1626 } 1627 1628 if (error != 0) { 1629 int s; 1630 1631 xpt_print_path(periph->path); 1632 printf("cddone: got error %#x back\n", error); 1633 s = splbio(); 1634 bioq_flush(&softc->bio_queue, NULL, EIO); 1635 splx(s); 1636 bp->bio_resid = bp->bio_bcount; 1637 bp->bio_error = error; 1638 bp->bio_flags |= BIO_ERROR; 1639 cam_release_devq(done_ccb->ccb_h.path, 1640 /*relsim_flags*/0, 1641 /*reduction*/0, 1642 /*timeout*/0, 1643 /*getcount_only*/0); 1644 1645 } else { 1646 bp->bio_resid = csio->resid; 1647 bp->bio_error = 0; 1648 if (bp->bio_resid != 0) { 1649 /* 1650 * Short transfer ??? 1651 * XXX: not sure this is correct for partial 1652 * transfers at EOM 1653 */ 1654 bp->bio_flags |= BIO_ERROR; 1655 } 1656 } 1657 1658 /* 1659 * Block out any asyncronous callbacks 1660 * while we touch the pending ccb list. 1661 */ 1662 oldspl = splcam(); 1663 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1664 softc->outstanding_cmds--; 1665 splx(oldspl); 1666 1667 if (softc->flags & CD_FLAG_CHANGER) 1668 cdchangerschedule(softc); 1669 1670 biofinish(bp, softc->device_stats, 0); 1671 break; 1672 } 1673 case CD_CCB_PROBE: 1674 { 1675 struct scsi_read_capacity_data *rdcap; 1676 char announce_buf[120]; /* 1677 * Currently (9/30/97) the 1678 * longest possible announce 1679 * buffer is 108 bytes, for the 1680 * first error case below. 1681 * That is 39 bytes for the 1682 * basic string, 16 bytes for the 1683 * biggest sense key (hardware 1684 * error), 52 bytes for the 1685 * text of the largest sense 1686 * qualifier valid for a CDROM, 1687 * (0x72, 0x03 or 0x04, 1688 * 0x03), and one byte for the 1689 * null terminating character. 1690 * To allow for longer strings, 1691 * the announce buffer is 120 1692 * bytes. 1693 */ 1694 struct cd_params *cdp; 1695 1696 cdp = &softc->params; 1697 1698 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1699 1700 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1701 cdp->blksize = scsi_4btoul (rdcap->length); 1702 1703 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1704 1705 snprintf(announce_buf, sizeof(announce_buf), 1706 "cd present [%lu x %lu byte records]", 1707 cdp->disksize, (u_long)cdp->blksize); 1708 1709 } else { 1710 int error; 1711 /* 1712 * Retry any UNIT ATTENTION type errors. They 1713 * are expected at boot. 1714 */ 1715 error = cderror(done_ccb, CAM_RETRY_SELTO, 1716 SF_RETRY_UA | SF_NO_PRINT); 1717 if (error == ERESTART) { 1718 /* 1719 * A retry was scheuled, so 1720 * just return. 1721 */ 1722 return; 1723 } else if (error != 0) { 1724 1725 struct scsi_sense_data *sense; 1726 int asc, ascq; 1727 int sense_key, error_code; 1728 int have_sense; 1729 cam_status status; 1730 struct ccb_getdev cgd; 1731 1732 /* Don't wedge this device's queue */ 1733 cam_release_devq(done_ccb->ccb_h.path, 1734 /*relsim_flags*/0, 1735 /*reduction*/0, 1736 /*timeout*/0, 1737 /*getcount_only*/0); 1738 1739 status = done_ccb->ccb_h.status; 1740 1741 xpt_setup_ccb(&cgd.ccb_h, 1742 done_ccb->ccb_h.path, 1743 /* priority */ 1); 1744 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1745 xpt_action((union ccb *)&cgd); 1746 1747 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1748 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1749 || ((status & CAM_AUTOSNS_VALID) == 0)) 1750 have_sense = FALSE; 1751 else 1752 have_sense = TRUE; 1753 1754 if (have_sense) { 1755 sense = &csio->sense_data; 1756 scsi_extract_sense(sense, &error_code, 1757 &sense_key, 1758 &asc, &ascq); 1759 } 1760 /* 1761 * Attach to anything that claims to be a 1762 * CDROM or WORM device, as long as it 1763 * doesn't return a "Logical unit not 1764 * supported" (0x25) error. 1765 */ 1766 if ((have_sense) && (asc != 0x25) 1767 && (error_code == SSD_CURRENT_ERROR)) { 1768 const char *sense_key_desc; 1769 const char *asc_desc; 1770 1771 scsi_sense_desc(sense_key, asc, ascq, 1772 &cgd.inq_data, 1773 &sense_key_desc, 1774 &asc_desc); 1775 snprintf(announce_buf, 1776 sizeof(announce_buf), 1777 "Attempt to query device " 1778 "size failed: %s, %s", 1779 sense_key_desc, 1780 asc_desc); 1781 } else if ((have_sense == 0) 1782 && ((status & CAM_STATUS_MASK) == 1783 CAM_SCSI_STATUS_ERROR) 1784 && (csio->scsi_status == 1785 SCSI_STATUS_BUSY)) { 1786 snprintf(announce_buf, 1787 sizeof(announce_buf), 1788 "Attempt to query device " 1789 "size failed: SCSI Status: %s", 1790 scsi_status_string(csio)); 1791 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1792 /* 1793 * We only print out an error for 1794 * CDROM type devices. For WORM 1795 * devices, we don't print out an 1796 * error since a few WORM devices 1797 * don't support CDROM commands. 1798 * If we have sense information, go 1799 * ahead and print it out. 1800 * Otherwise, just say that we 1801 * couldn't attach. 1802 */ 1803 1804 /* 1805 * Just print out the error, not 1806 * the full probe message, when we 1807 * don't attach. 1808 */ 1809 if (have_sense) 1810 scsi_sense_print( 1811 &done_ccb->csio); 1812 else { 1813 xpt_print_path(periph->path); 1814 printf("got CAM status %#x\n", 1815 done_ccb->ccb_h.status); 1816 } 1817 xpt_print_path(periph->path); 1818 printf("fatal error, failed" 1819 " to attach to device\n"); 1820 1821 /* 1822 * Invalidate this peripheral. 1823 */ 1824 cam_periph_invalidate(periph); 1825 1826 announce_buf[0] = '\0'; 1827 } else { 1828 1829 /* 1830 * Invalidate this peripheral. 1831 */ 1832 cam_periph_invalidate(periph); 1833 announce_buf[0] = '\0'; 1834 } 1835 } 1836 } 1837 free(rdcap, M_TEMP); 1838 if (announce_buf[0] != '\0') { 1839 xpt_announce_periph(periph, announce_buf); 1840 if (softc->flags & CD_FLAG_CHANGER) 1841 cdchangerschedule(softc); 1842 } 1843 softc->state = CD_STATE_NORMAL; 1844 /* 1845 * Since our peripheral may be invalidated by an error 1846 * above or an external event, we must release our CCB 1847 * before releasing the probe lock on the peripheral. 1848 * The peripheral will only go away once the last lock 1849 * is removed, and we need it around for the CCB release 1850 * operation. 1851 */ 1852 xpt_release_ccb(done_ccb); 1853 cam_periph_unlock(periph); 1854 return; 1855 } 1856 case CD_CCB_WAITING: 1857 { 1858 /* Caller will release the CCB */ 1859 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1860 ("trying to wakeup ccbwait\n")); 1861 1862 wakeup(&done_ccb->ccb_h.cbfcnp); 1863 return; 1864 } 1865 default: 1866 break; 1867 } 1868 xpt_release_ccb(done_ccb); 1869 } 1870 1871 static union cd_pages * 1872 cdgetpage(struct cd_mode_params *mode_params) 1873 { 1874 union cd_pages *page; 1875 1876 if (mode_params->cdb_size == 10) 1877 page = (union cd_pages *)find_mode_page_10( 1878 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1879 else 1880 page = (union cd_pages *)find_mode_page_6( 1881 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1882 1883 return (page); 1884 } 1885 1886 static int 1887 cdgetpagesize(int page_num) 1888 { 1889 int i; 1890 1891 for (i = 0; i < (sizeof(cd_page_size_table)/ 1892 sizeof(cd_page_size_table[0])); i++) { 1893 if (cd_page_size_table[i].page == page_num) 1894 return (cd_page_size_table[i].page_size); 1895 } 1896 1897 return (-1); 1898 } 1899 1900 static int 1901 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1902 { 1903 1904 struct cam_periph *periph; 1905 struct cd_softc *softc; 1906 int error; 1907 1908 periph = (struct cam_periph *)dev->si_drv1; 1909 if (periph == NULL) 1910 return(ENXIO); 1911 1912 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1913 1914 softc = (struct cd_softc *)periph->softc; 1915 1916 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1917 ("trying to do ioctl %#lx\n", cmd)); 1918 1919 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1920 1921 if (error != 0) 1922 return(error); 1923 /* 1924 * If we don't have media loaded, check for it. If still don't 1925 * have media loaded, we can only do a load or eject. 1926 */ 1927 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1928 && ((cmd != CDIOCCLOSE) 1929 && (cmd != CDIOCEJECT))) { 1930 error = cdcheckmedia(periph); 1931 if (error != 0) { 1932 cam_periph_unlock(periph); 1933 return (error); 1934 } 1935 } 1936 1937 switch (cmd) { 1938 1939 case DIOCGMEDIASIZE: 1940 *(off_t *)addr = 1941 (off_t)softc->params.blksize * softc->params.disksize; 1942 break; 1943 case DIOCGSECTORSIZE: 1944 *(u_int *)addr = softc->params.blksize; 1945 break; 1946 1947 case CDIOCPLAYTRACKS: 1948 { 1949 struct ioc_play_track *args 1950 = (struct ioc_play_track *) addr; 1951 struct cd_mode_params params; 1952 union cd_pages *page; 1953 1954 params.alloc_len = sizeof(union cd_mode_data_6_10); 1955 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1956 M_WAITOK | M_ZERO); 1957 1958 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1959 ("trying to do CDIOCPLAYTRACKS\n")); 1960 1961 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1962 if (error) { 1963 free(params.mode_buf, M_TEMP); 1964 break; 1965 } 1966 page = cdgetpage(¶ms); 1967 1968 page->audio.flags &= ~CD_PA_SOTC; 1969 page->audio.flags |= CD_PA_IMMED; 1970 error = cdsetmode(periph, ¶ms); 1971 free(params.mode_buf, M_TEMP); 1972 if (error) 1973 break; 1974 1975 /* 1976 * This was originally implemented with the PLAY 1977 * AUDIO TRACK INDEX command, but that command was 1978 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1979 * drives support it but ATAPI and ATAPI-derivative 1980 * drives don't seem to support it. So we keep a 1981 * cache of the table of contents and translate 1982 * track numbers to MSF format. 1983 */ 1984 if (softc->flags & CD_FLAG_VALID_TOC) { 1985 union msf_lba *sentry, *eentry; 1986 int st, et; 1987 1988 if (args->end_track < 1989 softc->toc.header.ending_track + 1) 1990 args->end_track++; 1991 if (args->end_track > 1992 softc->toc.header.ending_track + 1) 1993 args->end_track = 1994 softc->toc.header.ending_track + 1; 1995 st = args->start_track - 1996 softc->toc.header.starting_track; 1997 et = args->end_track - 1998 softc->toc.header.starting_track; 1999 if ((st < 0) 2000 || (et < 0) 2001 || (st > (softc->toc.header.ending_track - 2002 softc->toc.header.starting_track))) { 2003 error = EINVAL; 2004 break; 2005 } 2006 sentry = &softc->toc.entries[st].addr; 2007 eentry = &softc->toc.entries[et].addr; 2008 error = cdplaymsf(periph, 2009 sentry->msf.minute, 2010 sentry->msf.second, 2011 sentry->msf.frame, 2012 eentry->msf.minute, 2013 eentry->msf.second, 2014 eentry->msf.frame); 2015 } else { 2016 /* 2017 * If we don't have a valid TOC, try the 2018 * play track index command. It is part of 2019 * the SCSI-2 spec, but was removed in the 2020 * MMC specs. ATAPI and ATAPI-derived 2021 * drives don't support it. 2022 */ 2023 if (softc->quirks & CD_Q_BCD_TRACKS) { 2024 args->start_track = 2025 bin2bcd(args->start_track); 2026 args->end_track = 2027 bin2bcd(args->end_track); 2028 } 2029 error = cdplaytracks(periph, 2030 args->start_track, 2031 args->start_index, 2032 args->end_track, 2033 args->end_index); 2034 } 2035 } 2036 break; 2037 case CDIOCPLAYMSF: 2038 { 2039 struct ioc_play_msf *args 2040 = (struct ioc_play_msf *) addr; 2041 struct cd_mode_params params; 2042 union cd_pages *page; 2043 2044 params.alloc_len = sizeof(union cd_mode_data_6_10); 2045 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2046 M_WAITOK | M_ZERO); 2047 2048 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2049 ("trying to do CDIOCPLAYMSF\n")); 2050 2051 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2052 if (error) { 2053 free(params.mode_buf, M_TEMP); 2054 break; 2055 } 2056 page = cdgetpage(¶ms); 2057 2058 page->audio.flags &= ~CD_PA_SOTC; 2059 page->audio.flags |= CD_PA_IMMED; 2060 error = cdsetmode(periph, ¶ms); 2061 free(params.mode_buf, M_TEMP); 2062 if (error) 2063 break; 2064 error = cdplaymsf(periph, 2065 args->start_m, 2066 args->start_s, 2067 args->start_f, 2068 args->end_m, 2069 args->end_s, 2070 args->end_f); 2071 } 2072 break; 2073 case CDIOCPLAYBLOCKS: 2074 { 2075 struct ioc_play_blocks *args 2076 = (struct ioc_play_blocks *) addr; 2077 struct cd_mode_params params; 2078 union cd_pages *page; 2079 2080 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2081 ("trying to do CDIOCPLAYBLOCKS\n")); 2082 2083 params.alloc_len = sizeof(union cd_mode_data_6_10); 2084 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2085 M_WAITOK | M_ZERO); 2086 2087 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2088 if (error) { 2089 free(params.mode_buf, M_TEMP); 2090 break; 2091 } 2092 page = cdgetpage(¶ms); 2093 2094 page->audio.flags &= ~CD_PA_SOTC; 2095 page->audio.flags |= CD_PA_IMMED; 2096 error = cdsetmode(periph, ¶ms); 2097 free(params.mode_buf, M_TEMP); 2098 if (error) 2099 break; 2100 error = cdplay(periph, args->blk, args->len); 2101 } 2102 break; 2103 case CDIOCREADSUBCHANNEL: 2104 { 2105 struct ioc_read_subchannel *args 2106 = (struct ioc_read_subchannel *) addr; 2107 struct cd_sub_channel_info *data; 2108 u_int32_t len = args->data_len; 2109 2110 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2111 ("trying to do CDIOCREADSUBCHANNEL\n")); 2112 2113 data = malloc(sizeof(struct cd_sub_channel_info), 2114 M_TEMP, M_WAITOK); 2115 2116 if ((len > sizeof(struct cd_sub_channel_info)) || 2117 (len < sizeof(struct cd_sub_channel_header))) { 2118 printf( 2119 "scsi_cd: cdioctl: " 2120 "cdioreadsubchannel: error, len=%d\n", 2121 len); 2122 error = EINVAL; 2123 free(data, M_TEMP); 2124 break; 2125 } 2126 2127 if (softc->quirks & CD_Q_BCD_TRACKS) 2128 args->track = bin2bcd(args->track); 2129 2130 error = cdreadsubchannel(periph, args->address_format, 2131 args->data_format, args->track, data, len); 2132 2133 if (error) { 2134 free(data, M_TEMP); 2135 break; 2136 } 2137 if (softc->quirks & CD_Q_BCD_TRACKS) 2138 data->what.track_info.track_number = 2139 bcd2bin(data->what.track_info.track_number); 2140 len = min(len, ((data->header.data_len[0] << 8) + 2141 data->header.data_len[1] + 2142 sizeof(struct cd_sub_channel_header))); 2143 if (copyout(data, args->data, len) != 0) { 2144 error = EFAULT; 2145 } 2146 free(data, M_TEMP); 2147 } 2148 break; 2149 2150 case CDIOREADTOCHEADER: 2151 { 2152 struct ioc_toc_header *th; 2153 2154 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2155 ("trying to do CDIOREADTOCHEADER\n")); 2156 2157 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2158 M_WAITOK); 2159 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2160 sizeof (*th), /*sense_flags*/0); 2161 if (error) { 2162 free(th, M_TEMP); 2163 break; 2164 } 2165 if (softc->quirks & CD_Q_BCD_TRACKS) { 2166 /* we are going to have to convert the BCD 2167 * encoding on the cd to what is expected 2168 */ 2169 th->starting_track = 2170 bcd2bin(th->starting_track); 2171 th->ending_track = bcd2bin(th->ending_track); 2172 } 2173 th->len = ntohs(th->len); 2174 bcopy(th, addr, sizeof(*th)); 2175 free(th, M_TEMP); 2176 } 2177 break; 2178 case CDIOREADTOCENTRYS: 2179 { 2180 struct cd_tocdata *data; 2181 struct cd_toc_single *lead; 2182 struct ioc_read_toc_entry *te = 2183 (struct ioc_read_toc_entry *) addr; 2184 struct ioc_toc_header *th; 2185 u_int32_t len, readlen, idx, num; 2186 u_int32_t starting_track = te->starting_track; 2187 2188 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2189 ("trying to do CDIOREADTOCENTRYS\n")); 2190 2191 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2192 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2193 2194 if (te->data_len < sizeof(struct cd_toc_entry) 2195 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2196 || (te->address_format != CD_MSF_FORMAT 2197 && te->address_format != CD_LBA_FORMAT)) { 2198 error = EINVAL; 2199 printf("scsi_cd: error in readtocentries, " 2200 "returning EINVAL\n"); 2201 free(data, M_TEMP); 2202 free(lead, M_TEMP); 2203 break; 2204 } 2205 2206 th = &data->header; 2207 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2208 sizeof (*th), /*sense_flags*/0); 2209 if (error) { 2210 free(data, M_TEMP); 2211 free(lead, M_TEMP); 2212 break; 2213 } 2214 2215 if (softc->quirks & CD_Q_BCD_TRACKS) { 2216 /* we are going to have to convert the BCD 2217 * encoding on the cd to what is expected 2218 */ 2219 th->starting_track = 2220 bcd2bin(th->starting_track); 2221 th->ending_track = bcd2bin(th->ending_track); 2222 } 2223 2224 if (starting_track == 0) 2225 starting_track = th->starting_track; 2226 else if (starting_track == LEADOUT) 2227 starting_track = th->ending_track + 1; 2228 else if (starting_track < th->starting_track || 2229 starting_track > th->ending_track + 1) { 2230 printf("scsi_cd: error in readtocentries, " 2231 "returning EINVAL\n"); 2232 free(data, M_TEMP); 2233 free(lead, M_TEMP); 2234 error = EINVAL; 2235 break; 2236 } 2237 2238 /* calculate reading length without leadout entry */ 2239 readlen = (th->ending_track - starting_track + 1) * 2240 sizeof(struct cd_toc_entry); 2241 2242 /* and with leadout entry */ 2243 len = readlen + sizeof(struct cd_toc_entry); 2244 if (te->data_len < len) { 2245 len = te->data_len; 2246 if (readlen > len) 2247 readlen = len; 2248 } 2249 if (len > sizeof(data->entries)) { 2250 printf("scsi_cd: error in readtocentries, " 2251 "returning EINVAL\n"); 2252 error = EINVAL; 2253 free(data, M_TEMP); 2254 free(lead, M_TEMP); 2255 break; 2256 } 2257 num = len / sizeof(struct cd_toc_entry); 2258 2259 if (readlen > 0) { 2260 error = cdreadtoc(periph, te->address_format, 2261 starting_track, 2262 (u_int8_t *)data, 2263 readlen + sizeof (*th), 2264 /*sense_flags*/0); 2265 if (error) { 2266 free(data, M_TEMP); 2267 free(lead, M_TEMP); 2268 break; 2269 } 2270 } 2271 2272 /* make leadout entry if needed */ 2273 idx = starting_track + num - 1; 2274 if (softc->quirks & CD_Q_BCD_TRACKS) 2275 th->ending_track = bcd2bin(th->ending_track); 2276 if (idx == th->ending_track + 1) { 2277 error = cdreadtoc(periph, te->address_format, 2278 LEADOUT, (u_int8_t *)lead, 2279 sizeof(*lead), 2280 /*sense_flags*/0); 2281 if (error) { 2282 free(data, M_TEMP); 2283 free(lead, M_TEMP); 2284 break; 2285 } 2286 data->entries[idx - starting_track] = 2287 lead->entry; 2288 } 2289 if (softc->quirks & CD_Q_BCD_TRACKS) { 2290 for (idx = 0; idx < num - 1; idx++) { 2291 data->entries[idx].track = 2292 bcd2bin(data->entries[idx].track); 2293 } 2294 } 2295 2296 error = copyout(data->entries, te->data, len); 2297 free(data, M_TEMP); 2298 free(lead, M_TEMP); 2299 } 2300 break; 2301 case CDIOREADTOCENTRY: 2302 { 2303 struct cd_toc_single *data; 2304 struct ioc_read_toc_single_entry *te = 2305 (struct ioc_read_toc_single_entry *) addr; 2306 struct ioc_toc_header *th; 2307 u_int32_t track; 2308 2309 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2310 ("trying to do CDIOREADTOCENTRY\n")); 2311 2312 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2313 2314 if (te->address_format != CD_MSF_FORMAT 2315 && te->address_format != CD_LBA_FORMAT) { 2316 printf("error in readtocentry, " 2317 " returning EINVAL\n"); 2318 free(data, M_TEMP); 2319 error = EINVAL; 2320 break; 2321 } 2322 2323 th = &data->header; 2324 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2325 sizeof (*th), /*sense_flags*/0); 2326 if (error) { 2327 free(data, M_TEMP); 2328 break; 2329 } 2330 2331 if (softc->quirks & CD_Q_BCD_TRACKS) { 2332 /* we are going to have to convert the BCD 2333 * encoding on the cd to what is expected 2334 */ 2335 th->starting_track = 2336 bcd2bin(th->starting_track); 2337 th->ending_track = bcd2bin(th->ending_track); 2338 } 2339 track = te->track; 2340 if (track == 0) 2341 track = th->starting_track; 2342 else if (track == LEADOUT) 2343 /* OK */; 2344 else if (track < th->starting_track || 2345 track > th->ending_track + 1) { 2346 printf("error in readtocentry, " 2347 " returning EINVAL\n"); 2348 free(data, M_TEMP); 2349 error = EINVAL; 2350 break; 2351 } 2352 2353 error = cdreadtoc(periph, te->address_format, track, 2354 (u_int8_t *)data, sizeof(*data), 2355 /*sense_flags*/0); 2356 if (error) { 2357 free(data, M_TEMP); 2358 break; 2359 } 2360 2361 if (softc->quirks & CD_Q_BCD_TRACKS) 2362 data->entry.track = bcd2bin(data->entry.track); 2363 bcopy(&data->entry, &te->entry, 2364 sizeof(struct cd_toc_entry)); 2365 free(data, M_TEMP); 2366 } 2367 break; 2368 case CDIOCSETPATCH: 2369 { 2370 struct ioc_patch *arg = (struct ioc_patch *)addr; 2371 struct cd_mode_params params; 2372 union cd_pages *page; 2373 2374 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2375 ("trying to do CDIOCSETPATCH\n")); 2376 2377 params.alloc_len = sizeof(union cd_mode_data_6_10); 2378 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2379 M_WAITOK | M_ZERO); 2380 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2381 if (error) { 2382 free(params.mode_buf, M_TEMP); 2383 break; 2384 } 2385 page = cdgetpage(¶ms); 2386 2387 page->audio.port[LEFT_PORT].channels = 2388 arg->patch[0]; 2389 page->audio.port[RIGHT_PORT].channels = 2390 arg->patch[1]; 2391 page->audio.port[2].channels = arg->patch[2]; 2392 page->audio.port[3].channels = arg->patch[3]; 2393 error = cdsetmode(periph, ¶ms); 2394 free(params.mode_buf, M_TEMP); 2395 } 2396 break; 2397 case CDIOCGETVOL: 2398 { 2399 struct ioc_vol *arg = (struct ioc_vol *) addr; 2400 struct cd_mode_params params; 2401 union cd_pages *page; 2402 2403 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2404 ("trying to do CDIOCGETVOL\n")); 2405 2406 params.alloc_len = sizeof(union cd_mode_data_6_10); 2407 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2408 M_WAITOK | M_ZERO); 2409 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2410 if (error) { 2411 free(params.mode_buf, M_TEMP); 2412 break; 2413 } 2414 page = cdgetpage(¶ms); 2415 2416 arg->vol[LEFT_PORT] = 2417 page->audio.port[LEFT_PORT].volume; 2418 arg->vol[RIGHT_PORT] = 2419 page->audio.port[RIGHT_PORT].volume; 2420 arg->vol[2] = page->audio.port[2].volume; 2421 arg->vol[3] = page->audio.port[3].volume; 2422 free(params.mode_buf, M_TEMP); 2423 } 2424 break; 2425 case CDIOCSETVOL: 2426 { 2427 struct ioc_vol *arg = (struct ioc_vol *) addr; 2428 struct cd_mode_params params; 2429 union cd_pages *page; 2430 2431 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2432 ("trying to do CDIOCSETVOL\n")); 2433 2434 params.alloc_len = sizeof(union cd_mode_data_6_10); 2435 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2436 M_WAITOK | M_ZERO); 2437 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2438 if (error) { 2439 free(params.mode_buf, M_TEMP); 2440 break; 2441 } 2442 page = cdgetpage(¶ms); 2443 2444 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2445 page->audio.port[LEFT_PORT].volume = 2446 arg->vol[LEFT_PORT]; 2447 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2448 page->audio.port[RIGHT_PORT].volume = 2449 arg->vol[RIGHT_PORT]; 2450 page->audio.port[2].volume = arg->vol[2]; 2451 page->audio.port[3].volume = arg->vol[3]; 2452 error = cdsetmode(periph, ¶ms); 2453 free(params.mode_buf, M_TEMP); 2454 } 2455 break; 2456 case CDIOCSETMONO: 2457 { 2458 struct cd_mode_params params; 2459 union cd_pages *page; 2460 2461 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2462 ("trying to do CDIOCSETMONO\n")); 2463 2464 params.alloc_len = sizeof(union cd_mode_data_6_10); 2465 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2466 M_WAITOK | M_ZERO); 2467 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2468 if (error) { 2469 free(params.mode_buf, M_TEMP); 2470 break; 2471 } 2472 page = cdgetpage(¶ms); 2473 2474 page->audio.port[LEFT_PORT].channels = 2475 LEFT_CHANNEL | RIGHT_CHANNEL; 2476 page->audio.port[RIGHT_PORT].channels = 2477 LEFT_CHANNEL | RIGHT_CHANNEL; 2478 page->audio.port[2].channels = 0; 2479 page->audio.port[3].channels = 0; 2480 error = cdsetmode(periph, ¶ms); 2481 free(params.mode_buf, M_TEMP); 2482 } 2483 break; 2484 case CDIOCSETSTEREO: 2485 { 2486 struct cd_mode_params params; 2487 union cd_pages *page; 2488 2489 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2490 ("trying to do CDIOCSETSTEREO\n")); 2491 2492 params.alloc_len = sizeof(union cd_mode_data_6_10); 2493 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2494 M_WAITOK | M_ZERO); 2495 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2496 if (error) { 2497 free(params.mode_buf, M_TEMP); 2498 break; 2499 } 2500 page = cdgetpage(¶ms); 2501 2502 page->audio.port[LEFT_PORT].channels = 2503 LEFT_CHANNEL; 2504 page->audio.port[RIGHT_PORT].channels = 2505 RIGHT_CHANNEL; 2506 page->audio.port[2].channels = 0; 2507 page->audio.port[3].channels = 0; 2508 error = cdsetmode(periph, ¶ms); 2509 free(params.mode_buf, M_TEMP); 2510 } 2511 break; 2512 case CDIOCSETMUTE: 2513 { 2514 struct cd_mode_params params; 2515 union cd_pages *page; 2516 2517 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2518 ("trying to do CDIOCSETMUTE\n")); 2519 2520 params.alloc_len = sizeof(union cd_mode_data_6_10); 2521 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2522 M_WAITOK | M_ZERO); 2523 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2524 if (error) { 2525 free(¶ms, M_TEMP); 2526 break; 2527 } 2528 page = cdgetpage(¶ms); 2529 2530 page->audio.port[LEFT_PORT].channels = 0; 2531 page->audio.port[RIGHT_PORT].channels = 0; 2532 page->audio.port[2].channels = 0; 2533 page->audio.port[3].channels = 0; 2534 error = cdsetmode(periph, ¶ms); 2535 free(params.mode_buf, M_TEMP); 2536 } 2537 break; 2538 case CDIOCSETLEFT: 2539 { 2540 struct cd_mode_params params; 2541 union cd_pages *page; 2542 2543 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2544 ("trying to do CDIOCSETLEFT\n")); 2545 2546 params.alloc_len = sizeof(union cd_mode_data_6_10); 2547 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2548 M_WAITOK | M_ZERO); 2549 2550 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2551 if (error) { 2552 free(params.mode_buf, M_TEMP); 2553 break; 2554 } 2555 page = cdgetpage(¶ms); 2556 2557 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2558 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2559 page->audio.port[2].channels = 0; 2560 page->audio.port[3].channels = 0; 2561 error = cdsetmode(periph, ¶ms); 2562 free(params.mode_buf, M_TEMP); 2563 } 2564 break; 2565 case CDIOCSETRIGHT: 2566 { 2567 struct cd_mode_params params; 2568 union cd_pages *page; 2569 2570 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2571 ("trying to do CDIOCSETRIGHT\n")); 2572 2573 params.alloc_len = sizeof(union cd_mode_data_6_10); 2574 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2575 M_WAITOK | M_ZERO); 2576 2577 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2578 if (error) { 2579 free(params.mode_buf, M_TEMP); 2580 break; 2581 } 2582 page = cdgetpage(¶ms); 2583 2584 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2585 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2586 page->audio.port[2].channels = 0; 2587 page->audio.port[3].channels = 0; 2588 error = cdsetmode(periph, ¶ms); 2589 free(params.mode_buf, M_TEMP); 2590 } 2591 break; 2592 case CDIOCRESUME: 2593 error = cdpause(periph, 1); 2594 break; 2595 case CDIOCPAUSE: 2596 error = cdpause(periph, 0); 2597 break; 2598 case CDIOCSTART: 2599 error = cdstartunit(periph, 0); 2600 break; 2601 case CDIOCCLOSE: 2602 error = cdstartunit(periph, 1); 2603 break; 2604 case CDIOCSTOP: 2605 error = cdstopunit(periph, 0); 2606 break; 2607 case CDIOCEJECT: 2608 error = cdstopunit(periph, 1); 2609 break; 2610 case CDIOCALLOW: 2611 cdprevent(periph, PR_ALLOW); 2612 break; 2613 case CDIOCPREVENT: 2614 cdprevent(periph, PR_PREVENT); 2615 break; 2616 case CDIOCSETDEBUG: 2617 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2618 error = ENOTTY; 2619 break; 2620 case CDIOCCLRDEBUG: 2621 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2622 error = ENOTTY; 2623 break; 2624 case CDIOCRESET: 2625 /* return (cd_reset(periph)); */ 2626 error = ENOTTY; 2627 break; 2628 case CDRIOCREADSPEED: 2629 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2630 break; 2631 case CDRIOCWRITESPEED: 2632 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2633 break; 2634 case DVDIOCSENDKEY: 2635 case DVDIOCREPORTKEY: { 2636 struct dvd_authinfo *authinfo; 2637 2638 authinfo = (struct dvd_authinfo *)addr; 2639 2640 if (cmd == DVDIOCREPORTKEY) 2641 error = cdreportkey(periph, authinfo); 2642 else 2643 error = cdsendkey(periph, authinfo); 2644 break; 2645 } 2646 case DVDIOCREADSTRUCTURE: { 2647 struct dvd_struct *dvdstruct; 2648 2649 dvdstruct = (struct dvd_struct *)addr; 2650 2651 error = cdreaddvdstructure(periph, dvdstruct); 2652 2653 break; 2654 } 2655 default: 2656 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2657 break; 2658 } 2659 2660 cam_periph_unlock(periph); 2661 2662 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2663 if (error && bootverbose) { 2664 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2665 } 2666 2667 return (error); 2668 } 2669 2670 static void 2671 cdprevent(struct cam_periph *periph, int action) 2672 { 2673 union ccb *ccb; 2674 struct cd_softc *softc; 2675 int error; 2676 2677 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2678 2679 softc = (struct cd_softc *)periph->softc; 2680 2681 if (((action == PR_ALLOW) 2682 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2683 || ((action == PR_PREVENT) 2684 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2685 return; 2686 } 2687 2688 ccb = cdgetccb(periph, /* priority */ 1); 2689 2690 scsi_prevent(&ccb->csio, 2691 /*retries*/ 1, 2692 cddone, 2693 MSG_SIMPLE_Q_TAG, 2694 action, 2695 SSD_FULL_SIZE, 2696 /* timeout */60000); 2697 2698 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2699 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2700 2701 xpt_release_ccb(ccb); 2702 2703 if (error == 0) { 2704 if (action == PR_ALLOW) 2705 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2706 else 2707 softc->flags |= CD_FLAG_DISC_LOCKED; 2708 } 2709 } 2710 2711 static int 2712 cdcheckmedia(struct cam_periph *periph) 2713 { 2714 struct cd_softc *softc; 2715 struct ioc_toc_header *toch; 2716 struct cd_toc_single leadout; 2717 u_int32_t size, toclen; 2718 int error, num_entries, cdindex; 2719 2720 softc = (struct cd_softc *)periph->softc; 2721 2722 cdprevent(periph, PR_PREVENT); 2723 2724 /* 2725 * Get the disc size and block size. If we can't get it, we don't 2726 * have media, most likely. 2727 */ 2728 if ((error = cdsize(periph, &size)) != 0) { 2729 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2730 cdprevent(periph, PR_ALLOW); 2731 return (error); 2732 } else 2733 softc->flags |= CD_FLAG_VALID_MEDIA; 2734 2735 /* 2736 * Now we check the table of contents. This (currently) is only 2737 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2738 * things like present a separate entry in /dev for each track, 2739 * like that acd(4) driver does. 2740 */ 2741 bzero(&softc->toc, sizeof(softc->toc)); 2742 toch = &softc->toc.header; 2743 /* 2744 * We will get errors here for media that doesn't have a table of 2745 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2746 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2747 * has not been recorded (no complete session) and the Format codes 2748 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2749 * with an INVALID FIELD IN CDB. Devices that are not capable of 2750 * reading an incomplete session on DDC/CD-R/RW media shall report 2751 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2752 * 2753 * So this isn't fatal if we can't read the table of contents, it 2754 * just means that the user won't be able to issue the play tracks 2755 * ioctl, and likely lots of other stuff won't work either. They 2756 * need to burn the CD before we can do a whole lot with it. So 2757 * we don't print anything here if we get an error back. 2758 */ 2759 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2760 SF_NO_PRINT); 2761 /* 2762 * Errors in reading the table of contents aren't fatal, we just 2763 * won't have a valid table of contents cached. 2764 */ 2765 if (error != 0) { 2766 error = 0; 2767 bzero(&softc->toc, sizeof(softc->toc)); 2768 goto bailout; 2769 } 2770 2771 if (softc->quirks & CD_Q_BCD_TRACKS) { 2772 toch->starting_track = bcd2bin(toch->starting_track); 2773 toch->ending_track = bcd2bin(toch->ending_track); 2774 } 2775 2776 /* Number of TOC entries, plus leadout */ 2777 num_entries = (toch->ending_track - toch->starting_track) + 2; 2778 2779 if (num_entries <= 0) 2780 goto bailout; 2781 2782 toclen = num_entries * sizeof(struct cd_toc_entry); 2783 2784 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2785 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2786 SF_NO_PRINT); 2787 if (error != 0) { 2788 error = 0; 2789 bzero(&softc->toc, sizeof(softc->toc)); 2790 goto bailout; 2791 } 2792 2793 if (softc->quirks & CD_Q_BCD_TRACKS) { 2794 toch->starting_track = bcd2bin(toch->starting_track); 2795 toch->ending_track = bcd2bin(toch->ending_track); 2796 } 2797 /* 2798 * XXX KDM is this necessary? Probably only if the drive doesn't 2799 * return leadout information with the table of contents. 2800 */ 2801 cdindex = toch->starting_track + num_entries -1; 2802 if (cdindex == toch->ending_track + 1) { 2803 2804 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2805 (u_int8_t *)&leadout, sizeof(leadout), 2806 SF_NO_PRINT); 2807 if (error != 0) { 2808 error = 0; 2809 goto bailout; 2810 } 2811 softc->toc.entries[cdindex - toch->starting_track] = 2812 leadout.entry; 2813 } 2814 if (softc->quirks & CD_Q_BCD_TRACKS) { 2815 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2816 softc->toc.entries[cdindex].track = 2817 bcd2bin(softc->toc.entries[cdindex].track); 2818 } 2819 } 2820 2821 softc->flags |= CD_FLAG_VALID_TOC; 2822 2823 bailout: 2824 2825 /* 2826 * We unconditionally (re)set the blocksize each time the 2827 * CD device is opened. This is because the CD can change, 2828 * and therefore the blocksize might change. 2829 * XXX problems here if some slice or partition is still 2830 * open with the old size? 2831 */ 2832 if ((softc->device_stats->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2833 softc->device_stats->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2834 softc->device_stats->block_size = softc->params.blksize; 2835 2836 return (error); 2837 } 2838 2839 static int 2840 cdsize(struct cam_periph *periph, u_int32_t *size) 2841 { 2842 struct cd_softc *softc; 2843 union ccb *ccb; 2844 struct scsi_read_capacity_data *rcap_buf; 2845 int error; 2846 2847 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2848 2849 softc = (struct cd_softc *)periph->softc; 2850 2851 ccb = cdgetccb(periph, /* priority */ 1); 2852 2853 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2854 M_TEMP, M_WAITOK); 2855 2856 scsi_read_capacity(&ccb->csio, 2857 /*retries*/ 1, 2858 cddone, 2859 MSG_SIMPLE_Q_TAG, 2860 rcap_buf, 2861 SSD_FULL_SIZE, 2862 /* timeout */20000); 2863 2864 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2865 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2866 2867 xpt_release_ccb(ccb); 2868 2869 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2870 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2871 /* 2872 * SCSI-3 mandates that the reported blocksize shall be 2048. 2873 * Older drives sometimes report funny values, trim it down to 2874 * 2048, or other parts of the kernel will get confused. 2875 * 2876 * XXX we leave drives alone that might report 512 bytes, as 2877 * well as drives reporting more weird sizes like perhaps 4K. 2878 */ 2879 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2880 softc->params.blksize = 2048; 2881 2882 free(rcap_buf, M_TEMP); 2883 *size = softc->params.disksize; 2884 2885 return (error); 2886 2887 } 2888 2889 static int 2890 cd6byteworkaround(union ccb *ccb) 2891 { 2892 u_int8_t *cdb; 2893 struct cam_periph *periph; 2894 struct cd_softc *softc; 2895 struct cd_mode_params *params; 2896 int frozen, found; 2897 2898 periph = xpt_path_periph(ccb->ccb_h.path); 2899 softc = (struct cd_softc *)periph->softc; 2900 2901 cdb = ccb->csio.cdb_io.cdb_bytes; 2902 2903 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2904 || ((cdb[0] != MODE_SENSE_6) 2905 && (cdb[0] != MODE_SELECT_6))) 2906 return (0); 2907 2908 /* 2909 * Because there is no convenient place to stash the overall 2910 * cd_mode_params structure pointer, we have to grab it like this. 2911 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2912 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2913 * 2914 * XXX It would be nice if, at some point, we could increase the 2915 * number of available peripheral private pointers. Both pointers 2916 * are currently used in most every peripheral driver. 2917 */ 2918 found = 0; 2919 2920 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2921 if (params->mode_buf == ccb->csio.data_ptr) { 2922 found = 1; 2923 break; 2924 } 2925 } 2926 2927 /* 2928 * This shouldn't happen. All mode sense and mode select 2929 * operations in the cd(4) driver MUST go through cdgetmode() and 2930 * cdsetmode()! 2931 */ 2932 if (found == 0) { 2933 xpt_print_path(periph->path); 2934 printf("mode buffer not found in mode queue!\n"); 2935 return (0); 2936 } 2937 2938 params->cdb_size = 10; 2939 softc->minimum_command_size = 10; 2940 xpt_print_path(ccb->ccb_h.path); 2941 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2942 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2943 2944 if (cdb[0] == MODE_SENSE_6) { 2945 struct scsi_mode_sense_10 ms10; 2946 struct scsi_mode_sense_6 *ms6; 2947 int len; 2948 2949 ms6 = (struct scsi_mode_sense_6 *)cdb; 2950 2951 bzero(&ms10, sizeof(ms10)); 2952 ms10.opcode = MODE_SENSE_10; 2953 ms10.byte2 = ms6->byte2; 2954 ms10.page = ms6->page; 2955 2956 /* 2957 * 10 byte mode header, block descriptor, 2958 * sizeof(union cd_pages) 2959 */ 2960 len = sizeof(struct cd_mode_data_10); 2961 ccb->csio.dxfer_len = len; 2962 2963 scsi_ulto2b(len, ms10.length); 2964 ms10.control = ms6->control; 2965 bcopy(&ms10, cdb, 10); 2966 ccb->csio.cdb_len = 10; 2967 } else { 2968 struct scsi_mode_select_10 ms10; 2969 struct scsi_mode_select_6 *ms6; 2970 struct scsi_mode_header_6 *header6; 2971 struct scsi_mode_header_10 *header10; 2972 struct scsi_mode_page_header *page_header; 2973 int blk_desc_len, page_num, page_size, len; 2974 2975 ms6 = (struct scsi_mode_select_6 *)cdb; 2976 2977 bzero(&ms10, sizeof(ms10)); 2978 ms10.opcode = MODE_SELECT_10; 2979 ms10.byte2 = ms6->byte2; 2980 2981 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2982 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2983 2984 page_header = find_mode_page_6(header6); 2985 page_num = page_header->page_code; 2986 2987 blk_desc_len = header6->blk_desc_len; 2988 2989 page_size = cdgetpagesize(page_num); 2990 2991 if (page_size != (page_header->page_length + 2992 sizeof(*page_header))) 2993 page_size = page_header->page_length + 2994 sizeof(*page_header); 2995 2996 len = sizeof(*header10) + blk_desc_len + page_size; 2997 2998 len = min(params->alloc_len, len); 2999 3000 /* 3001 * Since the 6 byte parameter header is shorter than the 10 3002 * byte parameter header, we need to copy the actual mode 3003 * page data, and the block descriptor, if any, so things wind 3004 * up in the right place. The regions will overlap, but 3005 * bcopy() does the right thing. 3006 */ 3007 bcopy(params->mode_buf + sizeof(*header6), 3008 params->mode_buf + sizeof(*header10), 3009 len - sizeof(*header10)); 3010 3011 /* Make sure these fields are set correctly. */ 3012 scsi_ulto2b(0, header10->data_length); 3013 header10->medium_type = 0; 3014 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3015 3016 ccb->csio.dxfer_len = len; 3017 3018 scsi_ulto2b(len, ms10.length); 3019 ms10.control = ms6->control; 3020 bcopy(&ms10, cdb, 10); 3021 ccb->csio.cdb_len = 10; 3022 } 3023 3024 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3025 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3026 xpt_action(ccb); 3027 if (frozen) { 3028 cam_release_devq(ccb->ccb_h.path, 3029 /*relsim_flags*/0, 3030 /*openings*/0, 3031 /*timeout*/0, 3032 /*getcount_only*/0); 3033 } 3034 3035 return (ERESTART); 3036 } 3037 3038 static int 3039 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3040 { 3041 struct cd_softc *softc; 3042 struct cam_periph *periph; 3043 int error; 3044 3045 periph = xpt_path_periph(ccb->ccb_h.path); 3046 softc = (struct cd_softc *)periph->softc; 3047 3048 error = 0; 3049 3050 /* 3051 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3052 * CDB comes back with this particular error, try transforming it 3053 * into the 10 byte version. 3054 */ 3055 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3056 error = cd6byteworkaround(ccb); 3057 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3058 CAM_SCSI_STATUS_ERROR) 3059 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3060 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3061 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3062 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3063 int sense_key, error_code, asc, ascq; 3064 3065 scsi_extract_sense(&ccb->csio.sense_data, 3066 &error_code, &sense_key, &asc, &ascq); 3067 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3068 error = cd6byteworkaround(ccb); 3069 } 3070 3071 if (error == ERESTART) 3072 return (error); 3073 3074 /* 3075 * XXX 3076 * Until we have a better way of doing pack validation, 3077 * don't treat UAs as errors. 3078 */ 3079 sense_flags |= SF_RETRY_UA; 3080 return (cam_periph_error(ccb, cam_flags, sense_flags, 3081 &softc->saved_ccb)); 3082 } 3083 3084 /* 3085 * Read table of contents 3086 */ 3087 static int 3088 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3089 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3090 { 3091 struct scsi_read_toc *scsi_cmd; 3092 u_int32_t ntoc; 3093 struct ccb_scsiio *csio; 3094 union ccb *ccb; 3095 int error; 3096 3097 ntoc = len; 3098 error = 0; 3099 3100 ccb = cdgetccb(periph, /* priority */ 1); 3101 3102 csio = &ccb->csio; 3103 3104 cam_fill_csio(csio, 3105 /* retries */ 1, 3106 /* cbfcnp */ cddone, 3107 /* flags */ CAM_DIR_IN, 3108 /* tag_action */ MSG_SIMPLE_Q_TAG, 3109 /* data_ptr */ data, 3110 /* dxfer_len */ len, 3111 /* sense_len */ SSD_FULL_SIZE, 3112 sizeof(struct scsi_read_toc), 3113 /* timeout */ 50000); 3114 3115 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3116 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3117 3118 if (mode == CD_MSF_FORMAT) 3119 scsi_cmd->byte2 |= CD_MSF; 3120 scsi_cmd->from_track = start; 3121 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3122 scsi_cmd->data_len[0] = (ntoc) >> 8; 3123 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3124 3125 scsi_cmd->op_code = READ_TOC; 3126 3127 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3128 /*sense_flags*/SF_RETRY_UA | sense_flags); 3129 3130 xpt_release_ccb(ccb); 3131 3132 return(error); 3133 } 3134 3135 static int 3136 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3137 u_int32_t format, int track, 3138 struct cd_sub_channel_info *data, u_int32_t len) 3139 { 3140 struct scsi_read_subchannel *scsi_cmd; 3141 struct ccb_scsiio *csio; 3142 union ccb *ccb; 3143 int error; 3144 3145 error = 0; 3146 3147 ccb = cdgetccb(periph, /* priority */ 1); 3148 3149 csio = &ccb->csio; 3150 3151 cam_fill_csio(csio, 3152 /* retries */ 1, 3153 /* cbfcnp */ cddone, 3154 /* flags */ CAM_DIR_IN, 3155 /* tag_action */ MSG_SIMPLE_Q_TAG, 3156 /* data_ptr */ (u_int8_t *)data, 3157 /* dxfer_len */ len, 3158 /* sense_len */ SSD_FULL_SIZE, 3159 sizeof(struct scsi_read_subchannel), 3160 /* timeout */ 50000); 3161 3162 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3163 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3164 3165 scsi_cmd->op_code = READ_SUBCHANNEL; 3166 if (mode == CD_MSF_FORMAT) 3167 scsi_cmd->byte1 |= CD_MSF; 3168 scsi_cmd->byte2 = SRS_SUBQ; 3169 scsi_cmd->subchan_format = format; 3170 scsi_cmd->track = track; 3171 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3172 scsi_cmd->control = 0; 3173 3174 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3175 /*sense_flags*/SF_RETRY_UA); 3176 3177 xpt_release_ccb(ccb); 3178 3179 return(error); 3180 } 3181 3182 3183 /* 3184 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3185 * routine. See comments in cd6byteworkaround() for details. 3186 */ 3187 static int 3188 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3189 u_int32_t page) 3190 { 3191 struct ccb_scsiio *csio; 3192 struct cd_softc *softc; 3193 union ccb *ccb; 3194 int param_len; 3195 int error; 3196 3197 softc = (struct cd_softc *)periph->softc; 3198 3199 ccb = cdgetccb(periph, /* priority */ 1); 3200 3201 csio = &ccb->csio; 3202 3203 data->cdb_size = softc->minimum_command_size; 3204 if (data->cdb_size < 10) 3205 param_len = sizeof(struct cd_mode_data); 3206 else 3207 param_len = sizeof(struct cd_mode_data_10); 3208 3209 /* Don't say we've got more room than we actually allocated */ 3210 param_len = min(param_len, data->alloc_len); 3211 3212 scsi_mode_sense_len(csio, 3213 /* retries */ 1, 3214 /* cbfcnp */ cddone, 3215 /* tag_action */ MSG_SIMPLE_Q_TAG, 3216 /* dbd */ 0, 3217 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3218 /* page */ page, 3219 /* param_buf */ data->mode_buf, 3220 /* param_len */ param_len, 3221 /* minimum_cmd_size */ softc->minimum_command_size, 3222 /* sense_len */ SSD_FULL_SIZE, 3223 /* timeout */ 50000); 3224 3225 /* 3226 * It would be nice not to have to do this, but there's no 3227 * available pointer in the CCB that would allow us to stuff the 3228 * mode params structure in there and retrieve it in 3229 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3230 * lets the caller know what CDB size we ended up using, so they 3231 * can find the actual mode page offset. 3232 */ 3233 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3234 3235 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3236 /*sense_flags*/SF_RETRY_UA); 3237 3238 xpt_release_ccb(ccb); 3239 3240 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3241 3242 /* 3243 * This is a bit of belt-and-suspenders checking, but if we run 3244 * into a situation where the target sends back multiple block 3245 * descriptors, we might not have enough space in the buffer to 3246 * see the whole mode page. Better to return an error than 3247 * potentially access memory beyond our malloced region. 3248 */ 3249 if (error == 0) { 3250 u_int32_t data_len; 3251 3252 if (data->cdb_size == 10) { 3253 struct scsi_mode_header_10 *hdr10; 3254 3255 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3256 data_len = scsi_2btoul(hdr10->data_length); 3257 data_len += sizeof(hdr10->data_length); 3258 } else { 3259 struct scsi_mode_header_6 *hdr6; 3260 3261 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3262 data_len = hdr6->data_length; 3263 data_len += sizeof(hdr6->data_length); 3264 } 3265 3266 /* 3267 * Complain if there is more mode data available than we 3268 * allocated space for. This could potentially happen if 3269 * we miscalculated the page length for some reason, if the 3270 * drive returns multiple block descriptors, or if it sets 3271 * the data length incorrectly. 3272 */ 3273 if (data_len > data->alloc_len) { 3274 xpt_print_path(periph->path); 3275 printf("allocated modepage %d length %d < returned " 3276 "length %d\n", page, data->alloc_len, data_len); 3277 3278 error = ENOSPC; 3279 } 3280 } 3281 return (error); 3282 } 3283 3284 /* 3285 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3286 * routine. See comments in cd6byteworkaround() for details. 3287 */ 3288 static int 3289 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3290 { 3291 struct ccb_scsiio *csio; 3292 struct cd_softc *softc; 3293 union ccb *ccb; 3294 int cdb_size, param_len; 3295 int error; 3296 3297 softc = (struct cd_softc *)periph->softc; 3298 3299 ccb = cdgetccb(periph, /* priority */ 1); 3300 3301 csio = &ccb->csio; 3302 3303 error = 0; 3304 3305 /* 3306 * If the data is formatted for the 10 byte version of the mode 3307 * select parameter list, we need to use the 10 byte CDB. 3308 * Otherwise, we use whatever the stored minimum command size. 3309 */ 3310 if (data->cdb_size == 10) 3311 cdb_size = data->cdb_size; 3312 else 3313 cdb_size = softc->minimum_command_size; 3314 3315 if (cdb_size >= 10) { 3316 struct scsi_mode_header_10 *mode_header; 3317 u_int32_t data_len; 3318 3319 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3320 3321 data_len = scsi_2btoul(mode_header->data_length); 3322 3323 scsi_ulto2b(0, mode_header->data_length); 3324 /* 3325 * SONY drives do not allow a mode select with a medium_type 3326 * value that has just been returned by a mode sense; use a 3327 * medium_type of 0 (Default) instead. 3328 */ 3329 mode_header->medium_type = 0; 3330 3331 /* 3332 * Pass back whatever the drive passed to us, plus the size 3333 * of the data length field. 3334 */ 3335 param_len = data_len + sizeof(mode_header->data_length); 3336 3337 } else { 3338 struct scsi_mode_header_6 *mode_header; 3339 3340 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3341 3342 param_len = mode_header->data_length + 1; 3343 3344 mode_header->data_length = 0; 3345 /* 3346 * SONY drives do not allow a mode select with a medium_type 3347 * value that has just been returned by a mode sense; use a 3348 * medium_type of 0 (Default) instead. 3349 */ 3350 mode_header->medium_type = 0; 3351 } 3352 3353 /* Don't say we've got more room than we actually allocated */ 3354 param_len = min(param_len, data->alloc_len); 3355 3356 scsi_mode_select_len(csio, 3357 /* retries */ 1, 3358 /* cbfcnp */ cddone, 3359 /* tag_action */ MSG_SIMPLE_Q_TAG, 3360 /* scsi_page_fmt */ 1, 3361 /* save_pages */ 0, 3362 /* param_buf */ data->mode_buf, 3363 /* param_len */ param_len, 3364 /* minimum_cmd_size */ cdb_size, 3365 /* sense_len */ SSD_FULL_SIZE, 3366 /* timeout */ 50000); 3367 3368 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3369 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3370 3371 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3372 /*sense_flags*/SF_RETRY_UA); 3373 3374 xpt_release_ccb(ccb); 3375 3376 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3377 3378 return (error); 3379 } 3380 3381 3382 static int 3383 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3384 { 3385 struct ccb_scsiio *csio; 3386 union ccb *ccb; 3387 int error; 3388 u_int8_t cdb_len; 3389 3390 error = 0; 3391 ccb = cdgetccb(periph, /* priority */ 1); 3392 csio = &ccb->csio; 3393 /* 3394 * Use the smallest possible command to perform the operation. 3395 */ 3396 if ((len & 0xffff0000) == 0) { 3397 /* 3398 * We can fit in a 10 byte cdb. 3399 */ 3400 struct scsi_play_10 *scsi_cmd; 3401 3402 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3403 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3404 scsi_cmd->op_code = PLAY_10; 3405 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3406 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3407 cdb_len = sizeof(*scsi_cmd); 3408 } else { 3409 struct scsi_play_12 *scsi_cmd; 3410 3411 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3412 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3413 scsi_cmd->op_code = PLAY_12; 3414 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3415 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3416 cdb_len = sizeof(*scsi_cmd); 3417 } 3418 cam_fill_csio(csio, 3419 /*retries*/2, 3420 cddone, 3421 /*flags*/CAM_DIR_NONE, 3422 MSG_SIMPLE_Q_TAG, 3423 /*dataptr*/NULL, 3424 /*datalen*/0, 3425 /*sense_len*/SSD_FULL_SIZE, 3426 cdb_len, 3427 /*timeout*/50 * 1000); 3428 3429 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3430 /*sense_flags*/SF_RETRY_UA); 3431 3432 xpt_release_ccb(ccb); 3433 3434 return(error); 3435 } 3436 3437 static int 3438 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3439 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3440 { 3441 struct scsi_play_msf *scsi_cmd; 3442 struct ccb_scsiio *csio; 3443 union ccb *ccb; 3444 int error; 3445 3446 error = 0; 3447 3448 ccb = cdgetccb(periph, /* priority */ 1); 3449 3450 csio = &ccb->csio; 3451 3452 cam_fill_csio(csio, 3453 /* retries */ 1, 3454 /* cbfcnp */ cddone, 3455 /* flags */ CAM_DIR_NONE, 3456 /* tag_action */ MSG_SIMPLE_Q_TAG, 3457 /* data_ptr */ NULL, 3458 /* dxfer_len */ 0, 3459 /* sense_len */ SSD_FULL_SIZE, 3460 sizeof(struct scsi_play_msf), 3461 /* timeout */ 50000); 3462 3463 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3464 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3465 3466 scsi_cmd->op_code = PLAY_MSF; 3467 scsi_cmd->start_m = startm; 3468 scsi_cmd->start_s = starts; 3469 scsi_cmd->start_f = startf; 3470 scsi_cmd->end_m = endm; 3471 scsi_cmd->end_s = ends; 3472 scsi_cmd->end_f = endf; 3473 3474 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3475 /*sense_flags*/SF_RETRY_UA); 3476 3477 xpt_release_ccb(ccb); 3478 3479 return(error); 3480 } 3481 3482 3483 static int 3484 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3485 u_int32_t etrack, u_int32_t eindex) 3486 { 3487 struct scsi_play_track *scsi_cmd; 3488 struct ccb_scsiio *csio; 3489 union ccb *ccb; 3490 int error; 3491 3492 error = 0; 3493 3494 ccb = cdgetccb(periph, /* priority */ 1); 3495 3496 csio = &ccb->csio; 3497 3498 cam_fill_csio(csio, 3499 /* retries */ 1, 3500 /* cbfcnp */ cddone, 3501 /* flags */ CAM_DIR_NONE, 3502 /* tag_action */ MSG_SIMPLE_Q_TAG, 3503 /* data_ptr */ NULL, 3504 /* dxfer_len */ 0, 3505 /* sense_len */ SSD_FULL_SIZE, 3506 sizeof(struct scsi_play_track), 3507 /* timeout */ 50000); 3508 3509 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3510 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3511 3512 scsi_cmd->op_code = PLAY_TRACK; 3513 scsi_cmd->start_track = strack; 3514 scsi_cmd->start_index = sindex; 3515 scsi_cmd->end_track = etrack; 3516 scsi_cmd->end_index = eindex; 3517 3518 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3519 /*sense_flags*/SF_RETRY_UA); 3520 3521 xpt_release_ccb(ccb); 3522 3523 return(error); 3524 } 3525 3526 static int 3527 cdpause(struct cam_periph *periph, u_int32_t go) 3528 { 3529 struct scsi_pause *scsi_cmd; 3530 struct ccb_scsiio *csio; 3531 union ccb *ccb; 3532 int error; 3533 3534 error = 0; 3535 3536 ccb = cdgetccb(periph, /* priority */ 1); 3537 3538 csio = &ccb->csio; 3539 3540 cam_fill_csio(csio, 3541 /* retries */ 1, 3542 /* cbfcnp */ cddone, 3543 /* flags */ CAM_DIR_NONE, 3544 /* tag_action */ MSG_SIMPLE_Q_TAG, 3545 /* data_ptr */ NULL, 3546 /* dxfer_len */ 0, 3547 /* sense_len */ SSD_FULL_SIZE, 3548 sizeof(struct scsi_pause), 3549 /* timeout */ 50000); 3550 3551 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3552 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3553 3554 scsi_cmd->op_code = PAUSE; 3555 scsi_cmd->resume = go; 3556 3557 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3558 /*sense_flags*/SF_RETRY_UA); 3559 3560 xpt_release_ccb(ccb); 3561 3562 return(error); 3563 } 3564 3565 static int 3566 cdstartunit(struct cam_periph *periph, int load) 3567 { 3568 union ccb *ccb; 3569 int error; 3570 3571 error = 0; 3572 3573 ccb = cdgetccb(periph, /* priority */ 1); 3574 3575 scsi_start_stop(&ccb->csio, 3576 /* retries */ 1, 3577 /* cbfcnp */ cddone, 3578 /* tag_action */ MSG_SIMPLE_Q_TAG, 3579 /* start */ TRUE, 3580 /* load_eject */ load, 3581 /* immediate */ FALSE, 3582 /* sense_len */ SSD_FULL_SIZE, 3583 /* timeout */ 50000); 3584 3585 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3586 /*sense_flags*/SF_RETRY_UA); 3587 3588 xpt_release_ccb(ccb); 3589 3590 return(error); 3591 } 3592 3593 static int 3594 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3595 { 3596 union ccb *ccb; 3597 int error; 3598 3599 error = 0; 3600 3601 ccb = cdgetccb(periph, /* priority */ 1); 3602 3603 scsi_start_stop(&ccb->csio, 3604 /* retries */ 1, 3605 /* cbfcnp */ cddone, 3606 /* tag_action */ MSG_SIMPLE_Q_TAG, 3607 /* start */ FALSE, 3608 /* load_eject */ eject, 3609 /* immediate */ FALSE, 3610 /* sense_len */ SSD_FULL_SIZE, 3611 /* timeout */ 50000); 3612 3613 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3614 /*sense_flags*/SF_RETRY_UA); 3615 3616 xpt_release_ccb(ccb); 3617 3618 return(error); 3619 } 3620 3621 static int 3622 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3623 { 3624 struct scsi_set_speed *scsi_cmd; 3625 struct ccb_scsiio *csio; 3626 union ccb *ccb; 3627 int error; 3628 3629 error = 0; 3630 ccb = cdgetccb(periph, /* priority */ 1); 3631 csio = &ccb->csio; 3632 3633 /* Preserve old behavior: units in multiples of CDROM speed */ 3634 if (rdspeed < 177) 3635 rdspeed *= 177; 3636 if (wrspeed < 177) 3637 wrspeed *= 177; 3638 3639 cam_fill_csio(csio, 3640 /* retries */ 1, 3641 /* cbfcnp */ cddone, 3642 /* flags */ CAM_DIR_NONE, 3643 /* tag_action */ MSG_SIMPLE_Q_TAG, 3644 /* data_ptr */ NULL, 3645 /* dxfer_len */ 0, 3646 /* sense_len */ SSD_FULL_SIZE, 3647 sizeof(struct scsi_set_speed), 3648 /* timeout */ 50000); 3649 3650 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3651 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3652 3653 scsi_cmd->opcode = SET_CD_SPEED; 3654 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3655 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3656 3657 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3658 /*sense_flags*/SF_RETRY_UA); 3659 3660 xpt_release_ccb(ccb); 3661 3662 return(error); 3663 } 3664 3665 static int 3666 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3667 { 3668 union ccb *ccb; 3669 u_int8_t *databuf; 3670 u_int32_t lba; 3671 int error; 3672 int length; 3673 3674 error = 0; 3675 databuf = NULL; 3676 lba = 0; 3677 3678 ccb = cdgetccb(periph, /* priority */ 1); 3679 3680 switch (authinfo->format) { 3681 case DVD_REPORT_AGID: 3682 length = sizeof(struct scsi_report_key_data_agid); 3683 break; 3684 case DVD_REPORT_CHALLENGE: 3685 length = sizeof(struct scsi_report_key_data_challenge); 3686 break; 3687 case DVD_REPORT_KEY1: 3688 length = sizeof(struct scsi_report_key_data_key1_key2); 3689 break; 3690 case DVD_REPORT_TITLE_KEY: 3691 length = sizeof(struct scsi_report_key_data_title); 3692 /* The lba field is only set for the title key */ 3693 lba = authinfo->lba; 3694 break; 3695 case DVD_REPORT_ASF: 3696 length = sizeof(struct scsi_report_key_data_asf); 3697 break; 3698 case DVD_REPORT_RPC: 3699 length = sizeof(struct scsi_report_key_data_rpc); 3700 break; 3701 case DVD_INVALIDATE_AGID: 3702 length = 0; 3703 break; 3704 default: 3705 error = EINVAL; 3706 goto bailout; 3707 break; /* NOTREACHED */ 3708 } 3709 3710 if (length != 0) { 3711 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3712 } else 3713 databuf = NULL; 3714 3715 3716 scsi_report_key(&ccb->csio, 3717 /* retries */ 1, 3718 /* cbfcnp */ cddone, 3719 /* tag_action */ MSG_SIMPLE_Q_TAG, 3720 /* lba */ lba, 3721 /* agid */ authinfo->agid, 3722 /* key_format */ authinfo->format, 3723 /* data_ptr */ databuf, 3724 /* dxfer_len */ length, 3725 /* sense_len */ SSD_FULL_SIZE, 3726 /* timeout */ 50000); 3727 3728 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3729 /*sense_flags*/SF_RETRY_UA); 3730 3731 if (error != 0) 3732 goto bailout; 3733 3734 if (ccb->csio.resid != 0) { 3735 xpt_print_path(periph->path); 3736 printf("warning, residual for report key command is %d\n", 3737 ccb->csio.resid); 3738 } 3739 3740 switch(authinfo->format) { 3741 case DVD_REPORT_AGID: { 3742 struct scsi_report_key_data_agid *agid_data; 3743 3744 agid_data = (struct scsi_report_key_data_agid *)databuf; 3745 3746 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3747 RKD_AGID_SHIFT; 3748 break; 3749 } 3750 case DVD_REPORT_CHALLENGE: { 3751 struct scsi_report_key_data_challenge *chal_data; 3752 3753 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3754 3755 bcopy(chal_data->challenge_key, authinfo->keychal, 3756 min(sizeof(chal_data->challenge_key), 3757 sizeof(authinfo->keychal))); 3758 break; 3759 } 3760 case DVD_REPORT_KEY1: { 3761 struct scsi_report_key_data_key1_key2 *key1_data; 3762 3763 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3764 3765 bcopy(key1_data->key1, authinfo->keychal, 3766 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3767 break; 3768 } 3769 case DVD_REPORT_TITLE_KEY: { 3770 struct scsi_report_key_data_title *title_data; 3771 3772 title_data = (struct scsi_report_key_data_title *)databuf; 3773 3774 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3775 RKD_TITLE_CPM_SHIFT; 3776 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3777 RKD_TITLE_CP_SEC_SHIFT; 3778 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3779 RKD_TITLE_CMGS_SHIFT; 3780 bcopy(title_data->title_key, authinfo->keychal, 3781 min(sizeof(title_data->title_key), 3782 sizeof(authinfo->keychal))); 3783 break; 3784 } 3785 case DVD_REPORT_ASF: { 3786 struct scsi_report_key_data_asf *asf_data; 3787 3788 asf_data = (struct scsi_report_key_data_asf *)databuf; 3789 3790 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3791 break; 3792 } 3793 case DVD_REPORT_RPC: { 3794 struct scsi_report_key_data_rpc *rpc_data; 3795 3796 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3797 3798 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3799 RKD_RPC_TYPE_SHIFT; 3800 authinfo->vend_rsts = 3801 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3802 RKD_RPC_VENDOR_RESET_SHIFT; 3803 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3804 authinfo->region = rpc_data->region_mask; 3805 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3806 break; 3807 } 3808 case DVD_INVALIDATE_AGID: 3809 break; 3810 default: 3811 /* This should be impossible, since we checked above */ 3812 error = EINVAL; 3813 goto bailout; 3814 break; /* NOTREACHED */ 3815 } 3816 bailout: 3817 if (databuf != NULL) 3818 free(databuf, M_DEVBUF); 3819 3820 xpt_release_ccb(ccb); 3821 3822 return(error); 3823 } 3824 3825 static int 3826 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3827 { 3828 union ccb *ccb; 3829 u_int8_t *databuf; 3830 int length; 3831 int error; 3832 3833 error = 0; 3834 databuf = NULL; 3835 3836 ccb = cdgetccb(periph, /* priority */ 1); 3837 3838 switch(authinfo->format) { 3839 case DVD_SEND_CHALLENGE: { 3840 struct scsi_report_key_data_challenge *challenge_data; 3841 3842 length = sizeof(*challenge_data); 3843 3844 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3845 3846 databuf = (u_int8_t *)challenge_data; 3847 3848 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3849 challenge_data->data_len); 3850 3851 bcopy(authinfo->keychal, challenge_data->challenge_key, 3852 min(sizeof(authinfo->keychal), 3853 sizeof(challenge_data->challenge_key))); 3854 break; 3855 } 3856 case DVD_SEND_KEY2: { 3857 struct scsi_report_key_data_key1_key2 *key2_data; 3858 3859 length = sizeof(*key2_data); 3860 3861 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3862 3863 databuf = (u_int8_t *)key2_data; 3864 3865 scsi_ulto2b(length - sizeof(key2_data->data_len), 3866 key2_data->data_len); 3867 3868 bcopy(authinfo->keychal, key2_data->key1, 3869 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3870 3871 break; 3872 } 3873 case DVD_SEND_RPC: { 3874 struct scsi_send_key_data_rpc *rpc_data; 3875 3876 length = sizeof(*rpc_data); 3877 3878 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3879 3880 databuf = (u_int8_t *)rpc_data; 3881 3882 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3883 rpc_data->data_len); 3884 3885 rpc_data->region_code = authinfo->region; 3886 break; 3887 } 3888 default: 3889 error = EINVAL; 3890 goto bailout; 3891 break; /* NOTREACHED */ 3892 } 3893 3894 scsi_send_key(&ccb->csio, 3895 /* retries */ 1, 3896 /* cbfcnp */ cddone, 3897 /* tag_action */ MSG_SIMPLE_Q_TAG, 3898 /* agid */ authinfo->agid, 3899 /* key_format */ authinfo->format, 3900 /* data_ptr */ databuf, 3901 /* dxfer_len */ length, 3902 /* sense_len */ SSD_FULL_SIZE, 3903 /* timeout */ 50000); 3904 3905 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3906 /*sense_flags*/SF_RETRY_UA); 3907 3908 bailout: 3909 3910 if (databuf != NULL) 3911 free(databuf, M_DEVBUF); 3912 3913 xpt_release_ccb(ccb); 3914 3915 return(error); 3916 } 3917 3918 static int 3919 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3920 { 3921 union ccb *ccb; 3922 u_int8_t *databuf; 3923 u_int32_t address; 3924 int error; 3925 int length; 3926 3927 error = 0; 3928 databuf = NULL; 3929 /* The address is reserved for many of the formats */ 3930 address = 0; 3931 3932 ccb = cdgetccb(periph, /* priority */ 1); 3933 3934 switch(dvdstruct->format) { 3935 case DVD_STRUCT_PHYSICAL: 3936 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3937 break; 3938 case DVD_STRUCT_COPYRIGHT: 3939 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3940 break; 3941 case DVD_STRUCT_DISCKEY: 3942 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3943 break; 3944 case DVD_STRUCT_BCA: 3945 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3946 break; 3947 case DVD_STRUCT_MANUFACT: 3948 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3949 break; 3950 case DVD_STRUCT_CMI: 3951 error = ENODEV; 3952 goto bailout; 3953 #ifdef notyet 3954 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3955 address = dvdstruct->address; 3956 #endif 3957 break; /* NOTREACHED */ 3958 case DVD_STRUCT_PROTDISCID: 3959 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3960 break; 3961 case DVD_STRUCT_DISCKEYBLOCK: 3962 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3963 break; 3964 case DVD_STRUCT_DDS: 3965 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3966 break; 3967 case DVD_STRUCT_MEDIUM_STAT: 3968 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3969 break; 3970 case DVD_STRUCT_SPARE_AREA: 3971 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3972 break; 3973 case DVD_STRUCT_RMD_LAST: 3974 error = ENODEV; 3975 goto bailout; 3976 #ifdef notyet 3977 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3978 address = dvdstruct->address; 3979 #endif 3980 break; /* NOTREACHED */ 3981 case DVD_STRUCT_RMD_RMA: 3982 error = ENODEV; 3983 goto bailout; 3984 #ifdef notyet 3985 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3986 address = dvdstruct->address; 3987 #endif 3988 break; /* NOTREACHED */ 3989 case DVD_STRUCT_PRERECORDED: 3990 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3991 break; 3992 case DVD_STRUCT_UNIQUEID: 3993 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3994 break; 3995 case DVD_STRUCT_DCB: 3996 error = ENODEV; 3997 goto bailout; 3998 #ifdef notyet 3999 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4000 address = dvdstruct->address; 4001 #endif 4002 break; /* NOTREACHED */ 4003 case DVD_STRUCT_LIST: 4004 /* 4005 * This is the maximum allocation length for the READ DVD 4006 * STRUCTURE command. There's nothing in the MMC3 spec 4007 * that indicates a limit in the amount of data that can 4008 * be returned from this call, other than the limits 4009 * imposed by the 2-byte length variables. 4010 */ 4011 length = 65535; 4012 break; 4013 default: 4014 error = EINVAL; 4015 goto bailout; 4016 break; /* NOTREACHED */ 4017 } 4018 4019 if (length != 0) { 4020 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4021 } else 4022 databuf = NULL; 4023 4024 scsi_read_dvd_structure(&ccb->csio, 4025 /* retries */ 1, 4026 /* cbfcnp */ cddone, 4027 /* tag_action */ MSG_SIMPLE_Q_TAG, 4028 /* lba */ address, 4029 /* layer_number */ dvdstruct->layer_num, 4030 /* key_format */ dvdstruct->format, 4031 /* agid */ dvdstruct->agid, 4032 /* data_ptr */ databuf, 4033 /* dxfer_len */ length, 4034 /* sense_len */ SSD_FULL_SIZE, 4035 /* timeout */ 50000); 4036 4037 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4038 /*sense_flags*/SF_RETRY_UA); 4039 4040 if (error != 0) 4041 goto bailout; 4042 4043 switch(dvdstruct->format) { 4044 case DVD_STRUCT_PHYSICAL: { 4045 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4046 struct dvd_layer *outlayer; 4047 struct scsi_read_dvd_struct_data_physical *phys_data; 4048 4049 phys_data = 4050 (struct scsi_read_dvd_struct_data_physical *)databuf; 4051 inlayer = &phys_data->layer_desc; 4052 outlayer = (struct dvd_layer *)&dvdstruct->data; 4053 4054 dvdstruct->length = sizeof(*inlayer); 4055 4056 outlayer->book_type = (inlayer->book_type_version & 4057 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4058 outlayer->book_version = (inlayer->book_type_version & 4059 RDSD_BOOK_VERSION_MASK); 4060 outlayer->disc_size = (inlayer->disc_size_max_rate & 4061 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4062 outlayer->max_rate = (inlayer->disc_size_max_rate & 4063 RDSD_MAX_RATE_MASK); 4064 outlayer->nlayers = (inlayer->layer_info & 4065 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4066 outlayer->track_path = (inlayer->layer_info & 4067 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4068 outlayer->layer_type = (inlayer->layer_info & 4069 RDSD_LAYER_TYPE_MASK); 4070 outlayer->linear_density = (inlayer->density & 4071 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4072 outlayer->track_density = (inlayer->density & 4073 RDSD_TRACK_DENSITY_MASK); 4074 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4075 RDSD_BCA_SHIFT; 4076 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4077 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4078 outlayer->end_sector_l0 = 4079 scsi_3btoul(inlayer->end_sector_layer0); 4080 break; 4081 } 4082 case DVD_STRUCT_COPYRIGHT: { 4083 struct scsi_read_dvd_struct_data_copyright *copy_data; 4084 4085 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4086 databuf; 4087 4088 dvdstruct->cpst = copy_data->cps_type; 4089 dvdstruct->rmi = copy_data->region_info; 4090 dvdstruct->length = 0; 4091 4092 break; 4093 } 4094 default: 4095 /* 4096 * Tell the user what the overall length is, no matter 4097 * what we can actually fit in the data buffer. 4098 */ 4099 dvdstruct->length = length - ccb->csio.resid - 4100 sizeof(struct scsi_read_dvd_struct_data_header); 4101 4102 /* 4103 * But only actually copy out the smaller of what we read 4104 * in or what the structure can take. 4105 */ 4106 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4107 dvdstruct->data, 4108 min(sizeof(dvdstruct->data), dvdstruct->length)); 4109 break; 4110 } 4111 bailout: 4112 4113 if (databuf != NULL) 4114 free(databuf, M_DEVBUF); 4115 4116 xpt_release_ccb(ccb); 4117 4118 return(error); 4119 } 4120 4121 void 4122 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4123 void (*cbfcnp)(struct cam_periph *, union ccb *), 4124 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4125 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4126 u_int8_t sense_len, u_int32_t timeout) 4127 { 4128 struct scsi_report_key *scsi_cmd; 4129 4130 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4131 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4132 scsi_cmd->opcode = REPORT_KEY; 4133 scsi_ulto4b(lba, scsi_cmd->lba); 4134 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4135 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4136 (key_format & RK_KF_KEYFORMAT_MASK); 4137 4138 cam_fill_csio(csio, 4139 retries, 4140 cbfcnp, 4141 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4142 tag_action, 4143 /*data_ptr*/ data_ptr, 4144 /*dxfer_len*/ dxfer_len, 4145 sense_len, 4146 sizeof(*scsi_cmd), 4147 timeout); 4148 } 4149 4150 void 4151 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4152 void (*cbfcnp)(struct cam_periph *, union ccb *), 4153 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4154 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4155 u_int32_t timeout) 4156 { 4157 struct scsi_send_key *scsi_cmd; 4158 4159 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4160 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4161 scsi_cmd->opcode = SEND_KEY; 4162 4163 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4164 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4165 (key_format & RK_KF_KEYFORMAT_MASK); 4166 4167 cam_fill_csio(csio, 4168 retries, 4169 cbfcnp, 4170 /*flags*/ CAM_DIR_OUT, 4171 tag_action, 4172 /*data_ptr*/ data_ptr, 4173 /*dxfer_len*/ dxfer_len, 4174 sense_len, 4175 sizeof(*scsi_cmd), 4176 timeout); 4177 } 4178 4179 4180 void 4181 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4182 void (*cbfcnp)(struct cam_periph *, union ccb *), 4183 u_int8_t tag_action, u_int32_t address, 4184 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4185 u_int8_t *data_ptr, u_int32_t dxfer_len, 4186 u_int8_t sense_len, u_int32_t timeout) 4187 { 4188 struct scsi_read_dvd_structure *scsi_cmd; 4189 4190 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4191 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4192 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4193 4194 scsi_ulto4b(address, scsi_cmd->address); 4195 scsi_cmd->layer_number = layer_number; 4196 scsi_cmd->format = format; 4197 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4198 /* The AGID is the top two bits of this byte */ 4199 scsi_cmd->agid = agid << 6; 4200 4201 cam_fill_csio(csio, 4202 retries, 4203 cbfcnp, 4204 /*flags*/ CAM_DIR_IN, 4205 tag_action, 4206 /*data_ptr*/ data_ptr, 4207 /*dxfer_len*/ dxfer_len, 4208 sense_len, 4209 sizeof(*scsi_cmd), 4210 timeout); 4211 } 4212