1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Portions of this driver taken from the original FreeBSD cd driver. 30 * Written by Julian Elischer (julian@tfs.com) 31 * for TRW Financial Systems for use under the MACH(2.5) operating system. 32 * 33 * TRW Financial Systems, in accordance with their agreement with Carnegie 34 * Mellon University, makes this software available to CMU to distribute 35 * or use in any manner that they see fit as long as this message is kept with 36 * the software. For this reason TFS also grants any other persons or 37 * organisations permission to use or modify this software. 38 * 39 * TFS supplies this software to be publicly redistributed 40 * on the understanding that TFS is not responsible for the correct 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 50 51 #include "opt_cd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/bio.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 67 #include <cam/cam.h> 68 #include <cam/cam_ccb.h> 69 #include <cam/cam_periph.h> 70 #include <cam/cam_xpt_periph.h> 71 #include <cam/cam_queue.h> 72 73 #include <cam/scsi/scsi_message.h> 74 #include <cam/scsi/scsi_da.h> 75 #include <cam/scsi/scsi_cd.h> 76 77 #define LEADOUT 0xaa /* leadout toc entry */ 78 79 struct cd_params { 80 u_int32_t blksize; 81 u_long disksize; 82 }; 83 84 typedef enum { 85 CD_Q_NONE = 0x00, 86 CD_Q_NO_TOUCH = 0x01, 87 CD_Q_BCD_TRACKS = 0x02, 88 CD_Q_NO_CHANGER = 0x04, 89 CD_Q_CHANGER = 0x08, 90 CD_Q_10_BYTE_ONLY = 0x10 91 } cd_quirks; 92 93 typedef enum { 94 CD_FLAG_INVALID = 0x001, 95 CD_FLAG_NEW_DISC = 0x002, 96 CD_FLAG_DISC_LOCKED = 0x004, 97 CD_FLAG_DISC_REMOVABLE = 0x008, 98 CD_FLAG_TAGGED_QUEUING = 0x010, 99 CD_FLAG_CHANGER = 0x040, 100 CD_FLAG_ACTIVE = 0x080, 101 CD_FLAG_SCHED_ON_COMP = 0x100, 102 CD_FLAG_RETRY_UA = 0x200, 103 CD_FLAG_VALID_MEDIA = 0x400, 104 CD_FLAG_VALID_TOC = 0x800 105 } cd_flags; 106 107 typedef enum { 108 CD_CCB_PROBE = 0x01, 109 CD_CCB_BUFFER_IO = 0x02, 110 CD_CCB_WAITING = 0x03, 111 CD_CCB_TYPE_MASK = 0x0F, 112 CD_CCB_RETRY_UA = 0x10 113 } cd_ccb_state; 114 115 typedef enum { 116 CHANGER_TIMEOUT_SCHED = 0x01, 117 CHANGER_SHORT_TMOUT_SCHED = 0x02, 118 CHANGER_MANUAL_CALL = 0x04, 119 CHANGER_NEED_TIMEOUT = 0x08 120 } cd_changer_flags; 121 122 #define ccb_state ppriv_field0 123 #define ccb_bp ppriv_ptr1 124 125 struct cd_tocdata { 126 struct ioc_toc_header header; 127 struct cd_toc_entry entries[100]; 128 }; 129 130 struct cd_toc_single { 131 struct ioc_toc_header header; 132 struct cd_toc_entry entry; 133 }; 134 135 typedef enum { 136 CD_STATE_PROBE, 137 CD_STATE_NORMAL 138 } cd_state; 139 140 struct cd_softc { 141 cam_pinfo pinfo; 142 cd_state state; 143 volatile cd_flags flags; 144 struct bio_queue_head bio_queue; 145 LIST_HEAD(, ccb_hdr) pending_ccbs; 146 struct cd_params params; 147 union ccb saved_ccb; 148 cd_quirks quirks; 149 struct devstat *device_stats; 150 STAILQ_ENTRY(cd_softc) changer_links; 151 struct cdchanger *changer; 152 int bufs_left; 153 struct cam_periph *periph; 154 dev_t dev; 155 #ifdef GONE_IN_5 156 eventhandler_tag clonetag; 157 #endif 158 int minimum_command_size; 159 int outstanding_cmds; 160 struct task sysctl_task; 161 struct sysctl_ctx_list sysctl_ctx; 162 struct sysctl_oid *sysctl_tree; 163 STAILQ_HEAD(, cd_mode_params) mode_queue; 164 struct cd_tocdata toc; 165 }; 166 167 struct cd_page_sizes { 168 int page; 169 int page_size; 170 }; 171 172 static struct cd_page_sizes cd_page_size_table[] = 173 { 174 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 175 }; 176 177 struct cd_quirk_entry { 178 struct scsi_inquiry_pattern inq_pat; 179 cd_quirks quirks; 180 }; 181 182 /* 183 * The changer quirk entries aren't strictly necessary. Basically, what 184 * they do is tell cdregister() up front that a device is a changer. 185 * Otherwise, it will figure that fact out once it sees a LUN on the device 186 * that is greater than 0. If it is known up front that a device is a changer, 187 * all I/O to the device will go through the changer scheduling routines, as 188 * opposed to the "normal" CD code. 189 * 190 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 191 * your device hangs when it gets a 10 byte command. Adding a quirk just 192 * to get rid of the informative diagnostic message is not acceptable. All 193 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 194 * referenced in a comment along with the quirk) , and must be approved by 195 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 196 * be removed until the submitter can explain why they are needed. 197 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 198 * when the CAM_NEW_TRAN_CODE work is done. 199 */ 200 static struct cd_quirk_entry cd_quirk_table[] = 201 { 202 { 203 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 204 /*quirks*/ CD_Q_CHANGER 205 }, 206 { 207 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 208 "*"}, /* quirks */ CD_Q_CHANGER 209 }, 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 212 /* quirks */ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 216 /* quirks */ CD_Q_BCD_TRACKS 217 } 218 }; 219 220 #define CD_CDEV_MAJOR 15 221 222 static d_open_t cdopen; 223 static d_close_t cdclose; 224 static d_ioctl_t cdioctl; 225 static d_strategy_t cdstrategy; 226 227 static periph_init_t cdinit; 228 static periph_ctor_t cdregister; 229 static periph_dtor_t cdcleanup; 230 static periph_start_t cdstart; 231 static periph_oninv_t cdoninvalidate; 232 static void cdasync(void *callback_arg, u_int32_t code, 233 struct cam_path *path, void *arg); 234 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 235 static void cdshorttimeout(void *arg); 236 static void cdschedule(struct cam_periph *periph, int priority); 237 static void cdrunchangerqueue(void *arg); 238 static void cdchangerschedule(struct cd_softc *softc); 239 static int cdrunccb(union ccb *ccb, 240 int (*error_routine)(union ccb *ccb, 241 u_int32_t cam_flags, 242 u_int32_t sense_flags), 243 u_int32_t cam_flags, u_int32_t sense_flags); 244 static union ccb *cdgetccb(struct cam_periph *periph, 245 u_int32_t priority); 246 static void cddone(struct cam_periph *periph, 247 union ccb *start_ccb); 248 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 249 static int cdgetpagesize(int page_num); 250 static void cdprevent(struct cam_periph *periph, int action); 251 static int cdcheckmedia(struct cam_periph *periph); 252 static int cdsize(struct cam_periph *periph, u_int32_t *size); 253 static int cd6byteworkaround(union ccb *ccb); 254 static int cderror(union ccb *ccb, u_int32_t cam_flags, 255 u_int32_t sense_flags); 256 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 257 u_int32_t start, u_int8_t *data, 258 u_int32_t len, u_int32_t sense_flags); 259 static int cdgetmode(struct cam_periph *periph, 260 struct cd_mode_params *data, u_int32_t page); 261 static int cdsetmode(struct cam_periph *periph, 262 struct cd_mode_params *data); 263 static int cdplay(struct cam_periph *periph, u_int32_t blk, 264 u_int32_t len); 265 static int cdreadsubchannel(struct cam_periph *periph, 266 u_int32_t mode, u_int32_t format, 267 int track, 268 struct cd_sub_channel_info *data, 269 u_int32_t len); 270 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 271 u_int32_t starts, u_int32_t startf, 272 u_int32_t endm, u_int32_t ends, 273 u_int32_t endf); 274 static int cdplaytracks(struct cam_periph *periph, 275 u_int32_t strack, u_int32_t sindex, 276 u_int32_t etrack, u_int32_t eindex); 277 static int cdpause(struct cam_periph *periph, u_int32_t go); 278 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 279 static int cdstartunit(struct cam_periph *periph, int load); 280 static int cdsetspeed(struct cam_periph *periph, 281 u_int32_t rdspeed, u_int32_t wrspeed); 282 static int cdreportkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284 static int cdsendkey(struct cam_periph *periph, 285 struct dvd_authinfo *authinfo); 286 static int cdreaddvdstructure(struct cam_periph *periph, 287 struct dvd_struct *dvdstruct); 288 289 static struct periph_driver cddriver = 290 { 291 cdinit, "cd", 292 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 293 }; 294 295 PERIPHDRIVER_DECLARE(cd, cddriver); 296 297 static struct cdevsw cd_cdevsw = { 298 .d_open = cdopen, 299 .d_close = cdclose, 300 .d_read = physread, 301 .d_write = physwrite, 302 .d_ioctl = cdioctl, 303 .d_strategy = cdstrategy, 304 .d_name = "cd", 305 .d_maj = CD_CDEV_MAJOR, 306 .d_flags = D_DISK, 307 }; 308 309 static int num_changers; 310 311 #ifndef CHANGER_MIN_BUSY_SECONDS 312 #define CHANGER_MIN_BUSY_SECONDS 5 313 #endif 314 #ifndef CHANGER_MAX_BUSY_SECONDS 315 #define CHANGER_MAX_BUSY_SECONDS 15 316 #endif 317 318 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 319 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 320 321 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 322 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 323 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 324 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 325 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 326 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 327 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 328 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 329 330 struct cdchanger { 331 path_id_t path_id; 332 target_id_t target_id; 333 int num_devices; 334 struct camq devq; 335 struct timeval start_time; 336 struct cd_softc *cur_device; 337 struct callout_handle short_handle; 338 struct callout_handle long_handle; 339 volatile cd_changer_flags flags; 340 STAILQ_ENTRY(cdchanger) changer_links; 341 STAILQ_HEAD(chdevlist, cd_softc) chluns; 342 }; 343 344 static STAILQ_HEAD(changerlist, cdchanger) changerq; 345 346 #ifdef GONE_IN_5 347 static void 348 cdclone(void *arg, char *name, int namelen, dev_t *dev) 349 { 350 struct cd_softc *softc; 351 const char *p; 352 int l; 353 354 softc = arg; 355 p = devtoname(softc->dev); 356 l = strlen(p); 357 if (bcmp(name, p, l)) 358 return; 359 if (name[l] != 'a' && name[l] != 'c') 360 return; 361 if (name[l + 1] != '\0') 362 return; 363 *dev = softc->dev; 364 return; 365 } 366 #endif 367 368 static void 369 cdinit(void) 370 { 371 cam_status status; 372 struct cam_path *path; 373 374 /* 375 * Install a global async callback. This callback will 376 * receive async callbacks like "new device found". 377 */ 378 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 379 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 380 381 if (status == CAM_REQ_CMP) { 382 struct ccb_setasync csa; 383 384 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 385 csa.ccb_h.func_code = XPT_SASYNC_CB; 386 csa.event_enable = AC_FOUND_DEVICE; 387 csa.callback = cdasync; 388 csa.callback_arg = NULL; 389 xpt_action((union ccb *)&csa); 390 status = csa.ccb_h.status; 391 xpt_free_path(path); 392 } 393 394 if (status != CAM_REQ_CMP) { 395 printf("cd: Failed to attach master async callback " 396 "due to status 0x%x!\n", status); 397 } 398 } 399 400 static void 401 cdoninvalidate(struct cam_periph *periph) 402 { 403 int s; 404 struct cd_softc *softc; 405 struct ccb_setasync csa; 406 407 softc = (struct cd_softc *)periph->softc; 408 409 /* 410 * De-register any async callbacks. 411 */ 412 xpt_setup_ccb(&csa.ccb_h, periph->path, 413 /* priority */ 5); 414 csa.ccb_h.func_code = XPT_SASYNC_CB; 415 csa.event_enable = 0; 416 csa.callback = cdasync; 417 csa.callback_arg = periph; 418 xpt_action((union ccb *)&csa); 419 420 softc->flags |= CD_FLAG_INVALID; 421 422 /* 423 * Although the oninvalidate() routines are always called at 424 * splsoftcam, we need to be at splbio() here to keep the buffer 425 * queue from being modified while we traverse it. 426 */ 427 s = splbio(); 428 429 /* 430 * Return all queued I/O with ENXIO. 431 * XXX Handle any transactions queued to the card 432 * with XPT_ABORT_CCB. 433 */ 434 bioq_flush(&softc->bio_queue, NULL, ENXIO); 435 splx(s); 436 437 /* 438 * If this device is part of a changer, and it was scheduled 439 * to run, remove it from the run queue since we just nuked 440 * all of its scheduled I/O. 441 */ 442 if ((softc->flags & CD_FLAG_CHANGER) 443 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 444 camq_remove(&softc->changer->devq, softc->pinfo.index); 445 446 xpt_print_path(periph->path); 447 printf("lost device\n"); 448 } 449 450 static void 451 cdcleanup(struct cam_periph *periph) 452 { 453 struct cd_softc *softc; 454 int s; 455 456 softc = (struct cd_softc *)periph->softc; 457 458 xpt_print_path(periph->path); 459 printf("removing device entry\n"); 460 461 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 462 xpt_print_path(periph->path); 463 printf("can't remove sysctl context\n"); 464 } 465 466 s = splsoftcam(); 467 /* 468 * In the queued, non-active case, the device in question 469 * has already been removed from the changer run queue. Since this 470 * device is active, we need to de-activate it, and schedule 471 * another device to run. (if there is another one to run) 472 */ 473 if ((softc->flags & CD_FLAG_CHANGER) 474 && (softc->flags & CD_FLAG_ACTIVE)) { 475 476 /* 477 * The purpose of the short timeout is soley to determine 478 * whether the current device has finished or not. Well, 479 * since we're removing the active device, we know that it 480 * is finished. So, get rid of the short timeout. 481 * Otherwise, if we're in the time period before the short 482 * timeout fires, and there are no other devices in the 483 * queue to run, there won't be any other device put in the 484 * active slot. i.e., when we call cdrunchangerqueue() 485 * below, it won't do anything. Then, when the short 486 * timeout fires, it'll look at the "current device", which 487 * we are free below, and possibly panic the kernel on a 488 * bogus pointer reference. 489 * 490 * The long timeout doesn't really matter, since we 491 * decrement the qfrozen_cnt to indicate that there is 492 * nothing in the active slot now. Therefore, there won't 493 * be any bogus pointer references there. 494 */ 495 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 496 untimeout(cdshorttimeout, softc->changer, 497 softc->changer->short_handle); 498 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 499 } 500 softc->changer->devq.qfrozen_cnt--; 501 softc->changer->flags |= CHANGER_MANUAL_CALL; 502 cdrunchangerqueue(softc->changer); 503 } 504 505 /* 506 * If we're removing the last device on the changer, go ahead and 507 * remove the changer device structure. 508 */ 509 if ((softc->flags & CD_FLAG_CHANGER) 510 && (--softc->changer->num_devices == 0)) { 511 512 /* 513 * Theoretically, there shouldn't be any timeouts left, but 514 * I'm not completely sure that that will be the case. So, 515 * it won't hurt to check and see if there are any left. 516 */ 517 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 518 untimeout(cdrunchangerqueue, softc->changer, 519 softc->changer->long_handle); 520 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 521 } 522 523 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 524 untimeout(cdshorttimeout, softc->changer, 525 softc->changer->short_handle); 526 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 527 } 528 529 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 530 changer_links); 531 xpt_print_path(periph->path); 532 printf("removing changer entry\n"); 533 free(softc->changer, M_DEVBUF); 534 num_changers--; 535 } 536 devstat_remove_entry(softc->device_stats); 537 destroy_dev(softc->dev); 538 #ifdef GONE_IN_5 539 EVENTHANDLER_DEREGISTER(dev_clone, softc->clonetag); 540 #endif 541 free(softc, M_DEVBUF); 542 splx(s); 543 } 544 545 static void 546 cdasync(void *callback_arg, u_int32_t code, 547 struct cam_path *path, void *arg) 548 { 549 struct cam_periph *periph; 550 551 periph = (struct cam_periph *)callback_arg; 552 switch (code) { 553 case AC_FOUND_DEVICE: 554 { 555 struct ccb_getdev *cgd; 556 cam_status status; 557 558 cgd = (struct ccb_getdev *)arg; 559 if (cgd == NULL) 560 break; 561 562 if (SID_TYPE(&cgd->inq_data) != T_CDROM 563 && SID_TYPE(&cgd->inq_data) != T_WORM) 564 break; 565 566 /* 567 * Allocate a peripheral instance for 568 * this device and start the probe 569 * process. 570 */ 571 status = cam_periph_alloc(cdregister, cdoninvalidate, 572 cdcleanup, cdstart, 573 "cd", CAM_PERIPH_BIO, 574 cgd->ccb_h.path, cdasync, 575 AC_FOUND_DEVICE, cgd); 576 577 if (status != CAM_REQ_CMP 578 && status != CAM_REQ_INPROG) 579 printf("cdasync: Unable to attach new device " 580 "due to status 0x%x\n", status); 581 582 break; 583 } 584 case AC_SENT_BDR: 585 case AC_BUS_RESET: 586 { 587 struct cd_softc *softc; 588 struct ccb_hdr *ccbh; 589 int s; 590 591 softc = (struct cd_softc *)periph->softc; 592 s = splsoftcam(); 593 /* 594 * Don't fail on the expected unit attention 595 * that will occur. 596 */ 597 softc->flags |= CD_FLAG_RETRY_UA; 598 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 599 ccbh->ccb_state |= CD_CCB_RETRY_UA; 600 splx(s); 601 /* FALLTHROUGH */ 602 } 603 default: 604 cam_periph_async(periph, code, path, arg); 605 break; 606 } 607 } 608 609 static void 610 cdsysctlinit(void *context, int pending) 611 { 612 struct cam_periph *periph; 613 struct cd_softc *softc; 614 char tmpstr[80], tmpstr2[80]; 615 616 periph = (struct cam_periph *)context; 617 softc = (struct cd_softc *)periph->softc; 618 619 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 620 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 621 622 mtx_lock(&Giant); 623 624 sysctl_ctx_init(&softc->sysctl_ctx); 625 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 626 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 627 tmpstr2, CTLFLAG_RD, 0, tmpstr); 628 629 if (softc->sysctl_tree == NULL) { 630 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 631 return; 632 } 633 634 /* 635 * Now register the sysctl handler, so the user can the value on 636 * the fly. 637 */ 638 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 639 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 640 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 641 "Minimum CDB size"); 642 643 mtx_unlock(&Giant); 644 } 645 646 /* 647 * We have a handler function for this so we can check the values when the 648 * user sets them, instead of every time we look at them. 649 */ 650 static int 651 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 652 { 653 int error, value; 654 655 value = *(int *)arg1; 656 657 error = sysctl_handle_int(oidp, &value, 0, req); 658 659 if ((error != 0) 660 || (req->newptr == NULL)) 661 return (error); 662 663 /* 664 * The only real values we can have here are 6 or 10. I don't 665 * really forsee having 12 be an option at any time in the future. 666 * So if the user sets something less than or equal to 6, we'll set 667 * it to 6. If he sets something greater than 6, we'll set it to 10. 668 * 669 * I suppose we could just return an error here for the wrong values, 670 * but I don't think it's necessary to do so, as long as we can 671 * determine the user's intent without too much trouble. 672 */ 673 if (value < 6) 674 value = 6; 675 else if (value > 6) 676 value = 10; 677 678 *(int *)arg1 = value; 679 680 return (0); 681 } 682 683 static cam_status 684 cdregister(struct cam_periph *periph, void *arg) 685 { 686 struct cd_softc *softc; 687 struct ccb_setasync csa; 688 struct ccb_pathinq cpi; 689 struct ccb_getdev *cgd; 690 char tmpstr[80]; 691 caddr_t match; 692 693 cgd = (struct ccb_getdev *)arg; 694 if (periph == NULL) { 695 printf("cdregister: periph was NULL!!\n"); 696 return(CAM_REQ_CMP_ERR); 697 } 698 if (cgd == NULL) { 699 printf("cdregister: no getdev CCB, can't register device\n"); 700 return(CAM_REQ_CMP_ERR); 701 } 702 703 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 704 705 if (softc == NULL) { 706 printf("cdregister: Unable to probe new device. " 707 "Unable to allocate softc\n"); 708 return(CAM_REQ_CMP_ERR); 709 } 710 711 bzero(softc, sizeof(*softc)); 712 LIST_INIT(&softc->pending_ccbs); 713 STAILQ_INIT(&softc->mode_queue); 714 softc->state = CD_STATE_PROBE; 715 bioq_init(&softc->bio_queue); 716 if (SID_IS_REMOVABLE(&cgd->inq_data)) 717 softc->flags |= CD_FLAG_DISC_REMOVABLE; 718 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 719 softc->flags |= CD_FLAG_TAGGED_QUEUING; 720 721 periph->softc = softc; 722 softc->periph = periph; 723 724 /* 725 * See if this device has any quirks. 726 */ 727 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 728 (caddr_t)cd_quirk_table, 729 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 730 sizeof(*cd_quirk_table), scsi_inquiry_match); 731 732 if (match != NULL) 733 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 734 else 735 softc->quirks = CD_Q_NONE; 736 737 /* Check if the SIM does not want 6 byte commands */ 738 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 739 cpi.ccb_h.func_code = XPT_PATH_INQ; 740 xpt_action((union ccb *)&cpi); 741 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 742 softc->quirks |= CD_Q_10_BYTE_ONLY; 743 744 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 745 746 /* The default is 6 byte commands, unless quirked otherwise */ 747 if (softc->quirks & CD_Q_10_BYTE_ONLY) 748 softc->minimum_command_size = 10; 749 else 750 softc->minimum_command_size = 6; 751 752 /* 753 * Load the user's default, if any. 754 */ 755 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 756 periph->unit_number); 757 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 758 759 /* 6 and 10 are the only permissible values here. */ 760 if (softc->minimum_command_size < 6) 761 softc->minimum_command_size = 6; 762 else if (softc->minimum_command_size > 6) 763 softc->minimum_command_size = 10; 764 765 /* 766 * We need to register the statistics structure for this device, 767 * but we don't have the blocksize yet for it. So, we register 768 * the structure and indicate that we don't have the blocksize 769 * yet. Unlike other SCSI peripheral drivers, we explicitly set 770 * the device type here to be CDROM, rather than just ORing in 771 * the device type. This is because this driver can attach to either 772 * CDROM or WORM devices, and we want this peripheral driver to 773 * show up in the devstat list as a CD peripheral driver, not a 774 * WORM peripheral driver. WORM drives will also have the WORM 775 * driver attached to them. 776 */ 777 softc->device_stats = devstat_new_entry("cd", 778 periph->unit_number, 0, 779 DEVSTAT_BS_UNAVAILABLE, 780 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 781 DEVSTAT_PRIORITY_CD); 782 softc->dev = make_dev(&cd_cdevsw, periph->unit_number, 783 UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number); 784 softc->dev->si_drv1 = periph; 785 #ifdef GONE_IN_5 786 softc->clonetag = 787 EVENTHANDLER_REGISTER(dev_clone, cdclone, softc, 1000); 788 #endif 789 790 /* 791 * Add an async callback so that we get 792 * notified if this device goes away. 793 */ 794 xpt_setup_ccb(&csa.ccb_h, periph->path, 795 /* priority */ 5); 796 csa.ccb_h.func_code = XPT_SASYNC_CB; 797 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 798 csa.callback = cdasync; 799 csa.callback_arg = periph; 800 xpt_action((union ccb *)&csa); 801 802 /* 803 * If the target lun is greater than 0, we most likely have a CD 804 * changer device. Check the quirk entries as well, though, just 805 * in case someone has a CD tower with one lun per drive or 806 * something like that. Also, if we know up front that a 807 * particular device is a changer, we can mark it as such starting 808 * with lun 0, instead of lun 1. It shouldn't be necessary to have 809 * a quirk entry to define something as a changer, however. 810 */ 811 if (((cgd->ccb_h.target_lun > 0) 812 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 813 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 814 struct cdchanger *nchanger; 815 struct cam_periph *nperiph; 816 struct cam_path *path; 817 cam_status status; 818 int found; 819 820 /* Set the changer flag in the current device's softc */ 821 softc->flags |= CD_FLAG_CHANGER; 822 823 if (num_changers == 0) 824 STAILQ_INIT(&changerq); 825 826 /* 827 * Now, look around for an existing changer device with the 828 * same path and target ID as the current device. 829 */ 830 for (found = 0, 831 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 832 nchanger != NULL; 833 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 834 if ((nchanger->path_id == cgd->ccb_h.path_id) 835 && (nchanger->target_id == cgd->ccb_h.target_id)) { 836 found = 1; 837 break; 838 } 839 } 840 841 /* 842 * If we found a matching entry, just add this device to 843 * the list of devices on this changer. 844 */ 845 if (found == 1) { 846 struct chdevlist *chlunhead; 847 848 chlunhead = &nchanger->chluns; 849 850 /* 851 * XXX KDM look at consolidating this code with the 852 * code below in a separate function. 853 */ 854 855 /* 856 * Create a path with lun id 0, and see if we can 857 * find a matching device 858 */ 859 status = xpt_create_path(&path, /*periph*/ periph, 860 cgd->ccb_h.path_id, 861 cgd->ccb_h.target_id, 0); 862 863 if ((status == CAM_REQ_CMP) 864 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 865 struct cd_softc *nsoftc; 866 867 nsoftc = (struct cd_softc *)nperiph->softc; 868 869 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 870 nsoftc->flags |= CD_FLAG_CHANGER; 871 nchanger->num_devices++; 872 if (camq_resize(&nchanger->devq, 873 nchanger->num_devices)!=CAM_REQ_CMP){ 874 printf("cdregister: " 875 "camq_resize " 876 "failed, changer " 877 "support may " 878 "be messed up\n"); 879 } 880 nsoftc->changer = nchanger; 881 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 882 883 STAILQ_INSERT_TAIL(&nchanger->chluns, 884 nsoftc,changer_links); 885 } 886 xpt_free_path(path); 887 } else if (status == CAM_REQ_CMP) 888 xpt_free_path(path); 889 else { 890 printf("cdregister: unable to allocate path\n" 891 "cdregister: changer support may be " 892 "broken\n"); 893 } 894 895 nchanger->num_devices++; 896 897 softc->changer = nchanger; 898 softc->pinfo.index = CAM_UNQUEUED_INDEX; 899 900 if (camq_resize(&nchanger->devq, 901 nchanger->num_devices) != CAM_REQ_CMP) { 902 printf("cdregister: camq_resize " 903 "failed, changer support may " 904 "be messed up\n"); 905 } 906 907 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 908 } 909 /* 910 * In this case, we don't already have an entry for this 911 * particular changer, so we need to create one, add it to 912 * the queue, and queue this device on the list for this 913 * changer. Before we queue this device, however, we need 914 * to search for lun id 0 on this target, and add it to the 915 * queue first, if it exists. (and if it hasn't already 916 * been marked as part of the changer.) 917 */ 918 else { 919 nchanger = malloc(sizeof(struct cdchanger), 920 M_DEVBUF, M_NOWAIT); 921 922 if (nchanger == NULL) { 923 softc->flags &= ~CD_FLAG_CHANGER; 924 printf("cdregister: unable to malloc " 925 "changer structure\ncdregister: " 926 "changer support disabled\n"); 927 928 /* 929 * Yes, gotos can be gross but in this case 930 * I think it's justified.. 931 */ 932 goto cdregisterexit; 933 } 934 935 /* zero the structure */ 936 bzero(nchanger, sizeof(struct cdchanger)); 937 938 if (camq_init(&nchanger->devq, 1) != 0) { 939 softc->flags &= ~CD_FLAG_CHANGER; 940 printf("cdregister: changer support " 941 "disabled\n"); 942 goto cdregisterexit; 943 } 944 945 num_changers++; 946 947 nchanger->path_id = cgd->ccb_h.path_id; 948 nchanger->target_id = cgd->ccb_h.target_id; 949 950 /* this is superfluous, but it makes things clearer */ 951 nchanger->num_devices = 0; 952 953 STAILQ_INIT(&nchanger->chluns); 954 955 STAILQ_INSERT_TAIL(&changerq, nchanger, 956 changer_links); 957 958 /* 959 * Create a path with lun id 0, and see if we can 960 * find a matching device 961 */ 962 status = xpt_create_path(&path, /*periph*/ periph, 963 cgd->ccb_h.path_id, 964 cgd->ccb_h.target_id, 0); 965 966 /* 967 * If we were able to allocate the path, and if we 968 * find a matching device and it isn't already 969 * marked as part of a changer, then we add it to 970 * the current changer. 971 */ 972 if ((status == CAM_REQ_CMP) 973 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 974 && ((((struct cd_softc *)periph->softc)->flags & 975 CD_FLAG_CHANGER) == 0)) { 976 struct cd_softc *nsoftc; 977 978 nsoftc = (struct cd_softc *)nperiph->softc; 979 980 nsoftc->flags |= CD_FLAG_CHANGER; 981 nchanger->num_devices++; 982 if (camq_resize(&nchanger->devq, 983 nchanger->num_devices) != CAM_REQ_CMP) { 984 printf("cdregister: camq_resize " 985 "failed, changer support may " 986 "be messed up\n"); 987 } 988 nsoftc->changer = nchanger; 989 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 990 991 STAILQ_INSERT_TAIL(&nchanger->chluns, 992 nsoftc, changer_links); 993 xpt_free_path(path); 994 } else if (status == CAM_REQ_CMP) 995 xpt_free_path(path); 996 else { 997 printf("cdregister: unable to allocate path\n" 998 "cdregister: changer support may be " 999 "broken\n"); 1000 } 1001 1002 softc->changer = nchanger; 1003 softc->pinfo.index = CAM_UNQUEUED_INDEX; 1004 nchanger->num_devices++; 1005 if (camq_resize(&nchanger->devq, 1006 nchanger->num_devices) != CAM_REQ_CMP) { 1007 printf("cdregister: camq_resize " 1008 "failed, changer support may " 1009 "be messed up\n"); 1010 } 1011 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 1012 changer_links); 1013 } 1014 } 1015 1016 cdregisterexit: 1017 1018 /* Lock this peripheral until we are setup */ 1019 /* Can't block */ 1020 cam_periph_lock(periph, PRIBIO); 1021 1022 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1023 xpt_schedule(periph, /*priority*/5); 1024 else 1025 cdschedule(periph, /*priority*/ 5); 1026 1027 return(CAM_REQ_CMP); 1028 } 1029 1030 static int 1031 cdopen(dev_t dev, int flags, int fmt, struct thread *td) 1032 { 1033 struct cam_periph *periph; 1034 struct cd_softc *softc; 1035 int error; 1036 int s; 1037 1038 periph = (struct cam_periph *)dev->si_drv1; 1039 if (periph == NULL) 1040 return (ENXIO); 1041 1042 softc = (struct cd_softc *)periph->softc; 1043 1044 /* 1045 * Grab splsoftcam and hold it until we lock the peripheral. 1046 */ 1047 s = splsoftcam(); 1048 if (softc->flags & CD_FLAG_INVALID) { 1049 splx(s); 1050 return(ENXIO); 1051 } 1052 1053 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1054 splx(s); 1055 return (error); 1056 } 1057 1058 splx(s); 1059 1060 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1061 return(ENXIO); 1062 1063 /* 1064 * Check for media, and set the appropriate flags. We don't bail 1065 * if we don't have media, but then we don't allow anything but the 1066 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1067 */ 1068 cdcheckmedia(periph); 1069 1070 cam_periph_unlock(periph); 1071 1072 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1073 1074 return (error); 1075 } 1076 1077 static int 1078 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1079 { 1080 struct cam_periph *periph; 1081 struct cd_softc *softc; 1082 int error; 1083 1084 periph = (struct cam_periph *)dev->si_drv1; 1085 if (periph == NULL) 1086 return (ENXIO); 1087 1088 softc = (struct cd_softc *)periph->softc; 1089 1090 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1091 return (error); 1092 1093 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1094 cdprevent(periph, PR_ALLOW); 1095 1096 /* 1097 * Since we're closing this CD, mark the blocksize as unavailable. 1098 * It will be marked as available when the CD is opened again. 1099 */ 1100 softc->device_stats->flags |= DEVSTAT_BS_UNAVAILABLE; 1101 1102 /* 1103 * We'll check the media and toc again at the next open(). 1104 */ 1105 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1106 1107 cam_periph_unlock(periph); 1108 cam_periph_release(periph); 1109 1110 return (0); 1111 } 1112 1113 static void 1114 cdshorttimeout(void *arg) 1115 { 1116 struct cdchanger *changer; 1117 int s; 1118 1119 s = splsoftcam(); 1120 1121 changer = (struct cdchanger *)arg; 1122 1123 /* Always clear the short timeout flag, since that's what we're in */ 1124 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1125 1126 /* 1127 * Check to see if there is any more pending or outstanding I/O for 1128 * this device. If not, move it out of the active slot. 1129 */ 1130 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1131 && (changer->cur_device->outstanding_cmds == 0)) { 1132 changer->flags |= CHANGER_MANUAL_CALL; 1133 cdrunchangerqueue(changer); 1134 } 1135 1136 splx(s); 1137 } 1138 1139 /* 1140 * This is a wrapper for xpt_schedule. It only applies to changers. 1141 */ 1142 static void 1143 cdschedule(struct cam_periph *periph, int priority) 1144 { 1145 struct cd_softc *softc; 1146 int s; 1147 1148 s = splsoftcam(); 1149 1150 softc = (struct cd_softc *)periph->softc; 1151 1152 /* 1153 * If this device isn't currently queued, and if it isn't 1154 * the active device, then we queue this device and run the 1155 * changer queue if there is no timeout scheduled to do it. 1156 * If this device is the active device, just schedule it 1157 * to run again. If this device is queued, there should be 1158 * a timeout in place already that will make sure it runs. 1159 */ 1160 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1161 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1162 /* 1163 * We don't do anything with the priority here. 1164 * This is strictly a fifo queue. 1165 */ 1166 softc->pinfo.priority = 1; 1167 softc->pinfo.generation = ++softc->changer->devq.generation; 1168 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1169 1170 /* 1171 * Since we just put a device in the changer queue, 1172 * check and see if there is a timeout scheduled for 1173 * this changer. If so, let the timeout handle 1174 * switching this device into the active slot. If 1175 * not, manually call the timeout routine to 1176 * bootstrap things. 1177 */ 1178 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1179 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1180 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1181 softc->changer->flags |= CHANGER_MANUAL_CALL; 1182 cdrunchangerqueue(softc->changer); 1183 } 1184 } else if ((softc->flags & CD_FLAG_ACTIVE) 1185 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1186 xpt_schedule(periph, priority); 1187 1188 splx(s); 1189 1190 } 1191 1192 static void 1193 cdrunchangerqueue(void *arg) 1194 { 1195 struct cd_softc *softc; 1196 struct cdchanger *changer; 1197 int called_from_timeout; 1198 int s; 1199 1200 s = splsoftcam(); 1201 1202 changer = (struct cdchanger *)arg; 1203 1204 /* 1205 * If we have NOT been called from cdstrategy() or cddone(), and 1206 * instead from a timeout routine, go ahead and clear the 1207 * timeout flag. 1208 */ 1209 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1210 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1211 called_from_timeout = 1; 1212 } else 1213 called_from_timeout = 0; 1214 1215 /* Always clear the manual call flag */ 1216 changer->flags &= ~CHANGER_MANUAL_CALL; 1217 1218 /* nothing to do if the queue is empty */ 1219 if (changer->devq.entries <= 0) { 1220 splx(s); 1221 return; 1222 } 1223 1224 /* 1225 * If the changer queue is frozen, that means we have an active 1226 * device. 1227 */ 1228 if (changer->devq.qfrozen_cnt > 0) { 1229 1230 if (changer->cur_device->outstanding_cmds > 0) { 1231 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1232 changer->cur_device->bufs_left = 1233 changer->cur_device->outstanding_cmds; 1234 if (called_from_timeout) { 1235 changer->long_handle = 1236 timeout(cdrunchangerqueue, changer, 1237 changer_max_busy_seconds * hz); 1238 changer->flags |= CHANGER_TIMEOUT_SCHED; 1239 } 1240 splx(s); 1241 return; 1242 } 1243 1244 /* 1245 * We always need to reset the frozen count and clear the 1246 * active flag. 1247 */ 1248 changer->devq.qfrozen_cnt--; 1249 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1250 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1251 1252 /* 1253 * Check to see whether the current device has any I/O left 1254 * to do. If so, requeue it at the end of the queue. If 1255 * not, there is no need to requeue it. 1256 */ 1257 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1258 1259 changer->cur_device->pinfo.generation = 1260 ++changer->devq.generation; 1261 camq_insert(&changer->devq, 1262 (cam_pinfo *)changer->cur_device); 1263 } 1264 } 1265 1266 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1267 1268 changer->cur_device = softc; 1269 1270 changer->devq.qfrozen_cnt++; 1271 softc->flags |= CD_FLAG_ACTIVE; 1272 1273 /* Just in case this device is waiting */ 1274 wakeup(&softc->changer); 1275 xpt_schedule(softc->periph, /*priority*/ 1); 1276 1277 /* 1278 * Get rid of any pending timeouts, and set a flag to schedule new 1279 * ones so this device gets its full time quantum. 1280 */ 1281 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1282 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1283 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1284 } 1285 1286 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1287 untimeout(cdshorttimeout, changer, changer->short_handle); 1288 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1289 } 1290 1291 /* 1292 * We need to schedule timeouts, but we only do this after the 1293 * first transaction has completed. This eliminates the changer 1294 * switch time. 1295 */ 1296 changer->flags |= CHANGER_NEED_TIMEOUT; 1297 1298 splx(s); 1299 } 1300 1301 static void 1302 cdchangerschedule(struct cd_softc *softc) 1303 { 1304 struct cdchanger *changer; 1305 int s; 1306 1307 s = splsoftcam(); 1308 1309 changer = softc->changer; 1310 1311 /* 1312 * If this is a changer, and this is the current device, 1313 * and this device has at least the minimum time quantum to 1314 * run, see if we can switch it out. 1315 */ 1316 if ((softc->flags & CD_FLAG_ACTIVE) 1317 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1318 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1319 /* 1320 * We try three things here. The first is that we 1321 * check to see whether the schedule on completion 1322 * flag is set. If it is, we decrement the number 1323 * of buffers left, and if it's zero, we reschedule. 1324 * Next, we check to see whether the pending buffer 1325 * queue is empty and whether there are no 1326 * outstanding transactions. If so, we reschedule. 1327 * Next, we see if the pending buffer queue is empty. 1328 * If it is, we set the number of buffers left to 1329 * the current active buffer count and set the 1330 * schedule on complete flag. 1331 */ 1332 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1333 if (--softc->bufs_left == 0) { 1334 softc->changer->flags |= 1335 CHANGER_MANUAL_CALL; 1336 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1337 cdrunchangerqueue(softc->changer); 1338 } 1339 } else if ((bioq_first(&softc->bio_queue) == NULL) 1340 && (softc->outstanding_cmds == 0)) { 1341 softc->changer->flags |= CHANGER_MANUAL_CALL; 1342 cdrunchangerqueue(softc->changer); 1343 } 1344 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1345 && (softc->flags & CD_FLAG_ACTIVE)) { 1346 1347 /* 1348 * Now that the first transaction to this 1349 * particular device has completed, we can go ahead 1350 * and schedule our timeouts. 1351 */ 1352 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1353 changer->long_handle = 1354 timeout(cdrunchangerqueue, changer, 1355 changer_max_busy_seconds * hz); 1356 changer->flags |= CHANGER_TIMEOUT_SCHED; 1357 } else 1358 printf("cdchangerschedule: already have a long" 1359 " timeout!\n"); 1360 1361 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1362 changer->short_handle = 1363 timeout(cdshorttimeout, changer, 1364 changer_min_busy_seconds * hz); 1365 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1366 } else 1367 printf("cdchangerschedule: already have a short " 1368 "timeout!\n"); 1369 1370 /* 1371 * We just scheduled timeouts, no need to schedule 1372 * more. 1373 */ 1374 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1375 1376 } 1377 splx(s); 1378 } 1379 1380 static int 1381 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1382 u_int32_t cam_flags, 1383 u_int32_t sense_flags), 1384 u_int32_t cam_flags, u_int32_t sense_flags) 1385 { 1386 struct cd_softc *softc; 1387 struct cam_periph *periph; 1388 int error; 1389 1390 periph = xpt_path_periph(ccb->ccb_h.path); 1391 softc = (struct cd_softc *)periph->softc; 1392 1393 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1394 softc->device_stats); 1395 1396 if (softc->flags & CD_FLAG_CHANGER) 1397 cdchangerschedule(softc); 1398 1399 return(error); 1400 } 1401 1402 static union ccb * 1403 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1404 { 1405 struct cd_softc *softc; 1406 int s; 1407 1408 softc = (struct cd_softc *)periph->softc; 1409 1410 if (softc->flags & CD_FLAG_CHANGER) { 1411 1412 s = splsoftcam(); 1413 1414 /* 1415 * This should work the first time this device is woken up, 1416 * but just in case it doesn't, we use a while loop. 1417 */ 1418 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1419 /* 1420 * If this changer isn't already queued, queue it up. 1421 */ 1422 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1423 softc->pinfo.priority = 1; 1424 softc->pinfo.generation = 1425 ++softc->changer->devq.generation; 1426 camq_insert(&softc->changer->devq, 1427 (cam_pinfo *)softc); 1428 } 1429 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1430 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1431 && ((softc->changer->flags 1432 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1433 softc->changer->flags |= CHANGER_MANUAL_CALL; 1434 cdrunchangerqueue(softc->changer); 1435 } else 1436 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1437 } 1438 splx(s); 1439 } 1440 return(cam_periph_getccb(periph, priority)); 1441 } 1442 1443 1444 /* 1445 * Actually translate the requested transfer into one the physical driver 1446 * can understand. The transfer is described by a buf and will include 1447 * only one physical transfer. 1448 */ 1449 static void 1450 cdstrategy(struct bio *bp) 1451 { 1452 struct cam_periph *periph; 1453 struct cd_softc *softc; 1454 int s; 1455 1456 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1457 if (periph == NULL) { 1458 biofinish(bp, NULL, ENXIO); 1459 return; 1460 } 1461 1462 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1463 1464 softc = (struct cd_softc *)periph->softc; 1465 1466 /* 1467 * Mask interrupts so that the pack cannot be invalidated until 1468 * after we are in the queue. Otherwise, we might not properly 1469 * clean up one of the buffers. 1470 */ 1471 s = splbio(); 1472 1473 /* 1474 * If the device has been made invalid, error out 1475 */ 1476 if ((softc->flags & CD_FLAG_INVALID)) { 1477 splx(s); 1478 biofinish(bp, NULL, ENXIO); 1479 return; 1480 } 1481 1482 /* 1483 * If we don't have valid media, look for it before trying to 1484 * schedule the I/O. 1485 */ 1486 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1487 int error; 1488 1489 error = cdcheckmedia(periph); 1490 if (error != 0) { 1491 splx(s); 1492 biofinish(bp, NULL, error); 1493 return; 1494 } 1495 } 1496 1497 /* 1498 * Place it in the queue of disk activities for this disk 1499 */ 1500 bioq_disksort(&softc->bio_queue, bp); 1501 1502 splx(s); 1503 1504 /* 1505 * Schedule ourselves for performing the work. We do things 1506 * differently for changers. 1507 */ 1508 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1509 xpt_schedule(periph, /* XXX priority */1); 1510 else 1511 cdschedule(periph, /* priority */ 1); 1512 1513 return; 1514 } 1515 1516 static void 1517 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1518 { 1519 struct cd_softc *softc; 1520 struct bio *bp; 1521 struct ccb_scsiio *csio; 1522 struct scsi_read_capacity_data *rcap; 1523 int s; 1524 1525 softc = (struct cd_softc *)periph->softc; 1526 1527 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1528 1529 switch (softc->state) { 1530 case CD_STATE_NORMAL: 1531 { 1532 int oldspl; 1533 1534 s = splbio(); 1535 bp = bioq_first(&softc->bio_queue); 1536 if (periph->immediate_priority <= periph->pinfo.priority) { 1537 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1538 1539 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1540 periph_links.sle); 1541 periph->immediate_priority = CAM_PRIORITY_NONE; 1542 splx(s); 1543 wakeup(&periph->ccb_list); 1544 } else if (bp == NULL) { 1545 splx(s); 1546 xpt_release_ccb(start_ccb); 1547 } else { 1548 bioq_remove(&softc->bio_queue, bp); 1549 1550 devstat_start_transaction_bio(softc->device_stats, bp); 1551 1552 scsi_read_write(&start_ccb->csio, 1553 /*retries*/4, 1554 /* cbfcnp */ cddone, 1555 MSG_SIMPLE_Q_TAG, 1556 /* read */bp->bio_cmd == BIO_READ, 1557 /* byte2 */ 0, 1558 /* minimum_cmd_size */ 10, 1559 /* lba */ bp->bio_blkno / 1560 (softc->params.blksize / DEV_BSIZE), 1561 bp->bio_bcount / softc->params.blksize, 1562 /* data_ptr */ bp->bio_data, 1563 /* dxfer_len */ bp->bio_bcount, 1564 /* sense_len */ SSD_FULL_SIZE, 1565 /* timeout */ 30000); 1566 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1567 1568 1569 /* 1570 * Block out any asyncronous callbacks 1571 * while we touch the pending ccb list. 1572 */ 1573 oldspl = splcam(); 1574 LIST_INSERT_HEAD(&softc->pending_ccbs, 1575 &start_ccb->ccb_h, periph_links.le); 1576 softc->outstanding_cmds++; 1577 splx(oldspl); 1578 1579 /* We expect a unit attention from this device */ 1580 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1581 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1582 softc->flags &= ~CD_FLAG_RETRY_UA; 1583 } 1584 1585 start_ccb->ccb_h.ccb_bp = bp; 1586 bp = bioq_first(&softc->bio_queue); 1587 splx(s); 1588 1589 xpt_action(start_ccb); 1590 } 1591 if (bp != NULL) { 1592 /* Have more work to do, so ensure we stay scheduled */ 1593 xpt_schedule(periph, /* XXX priority */1); 1594 } 1595 break; 1596 } 1597 case CD_STATE_PROBE: 1598 { 1599 1600 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1601 M_TEMP, 1602 M_NOWAIT); 1603 if (rcap == NULL) { 1604 xpt_print_path(periph->path); 1605 printf("cdstart: Couldn't malloc read_capacity data\n"); 1606 /* cd_free_periph??? */ 1607 break; 1608 } 1609 csio = &start_ccb->csio; 1610 scsi_read_capacity(csio, 1611 /*retries*/1, 1612 cddone, 1613 MSG_SIMPLE_Q_TAG, 1614 rcap, 1615 SSD_FULL_SIZE, 1616 /*timeout*/20000); 1617 start_ccb->ccb_h.ccb_bp = NULL; 1618 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1619 xpt_action(start_ccb); 1620 break; 1621 } 1622 } 1623 } 1624 1625 static void 1626 cddone(struct cam_periph *periph, union ccb *done_ccb) 1627 { 1628 struct cd_softc *softc; 1629 struct ccb_scsiio *csio; 1630 1631 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1632 1633 softc = (struct cd_softc *)periph->softc; 1634 csio = &done_ccb->csio; 1635 1636 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1637 case CD_CCB_BUFFER_IO: 1638 { 1639 struct bio *bp; 1640 int error; 1641 int oldspl; 1642 1643 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1644 error = 0; 1645 1646 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1647 int sf; 1648 1649 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1650 sf = SF_RETRY_UA; 1651 else 1652 sf = 0; 1653 1654 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1655 if (error == ERESTART) { 1656 /* 1657 * A retry was scheuled, so 1658 * just return. 1659 */ 1660 return; 1661 } 1662 } 1663 1664 if (error != 0) { 1665 int s; 1666 1667 xpt_print_path(periph->path); 1668 printf("cddone: got error %#x back\n", error); 1669 s = splbio(); 1670 bioq_flush(&softc->bio_queue, NULL, EIO); 1671 splx(s); 1672 bp->bio_resid = bp->bio_bcount; 1673 bp->bio_error = error; 1674 bp->bio_flags |= BIO_ERROR; 1675 cam_release_devq(done_ccb->ccb_h.path, 1676 /*relsim_flags*/0, 1677 /*reduction*/0, 1678 /*timeout*/0, 1679 /*getcount_only*/0); 1680 1681 } else { 1682 bp->bio_resid = csio->resid; 1683 bp->bio_error = 0; 1684 if (bp->bio_resid != 0) { 1685 /* 1686 * Short transfer ??? 1687 * XXX: not sure this is correct for partial 1688 * transfers at EOM 1689 */ 1690 bp->bio_flags |= BIO_ERROR; 1691 } 1692 } 1693 1694 /* 1695 * Block out any asyncronous callbacks 1696 * while we touch the pending ccb list. 1697 */ 1698 oldspl = splcam(); 1699 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1700 softc->outstanding_cmds--; 1701 splx(oldspl); 1702 1703 if (softc->flags & CD_FLAG_CHANGER) 1704 cdchangerschedule(softc); 1705 1706 biofinish(bp, softc->device_stats, 0); 1707 break; 1708 } 1709 case CD_CCB_PROBE: 1710 { 1711 struct scsi_read_capacity_data *rdcap; 1712 char announce_buf[120]; /* 1713 * Currently (9/30/97) the 1714 * longest possible announce 1715 * buffer is 108 bytes, for the 1716 * first error case below. 1717 * That is 39 bytes for the 1718 * basic string, 16 bytes for the 1719 * biggest sense key (hardware 1720 * error), 52 bytes for the 1721 * text of the largest sense 1722 * qualifier valid for a CDROM, 1723 * (0x72, 0x03 or 0x04, 1724 * 0x03), and one byte for the 1725 * null terminating character. 1726 * To allow for longer strings, 1727 * the announce buffer is 120 1728 * bytes. 1729 */ 1730 struct cd_params *cdp; 1731 1732 cdp = &softc->params; 1733 1734 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1735 1736 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1737 cdp->blksize = scsi_4btoul (rdcap->length); 1738 1739 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1740 1741 snprintf(announce_buf, sizeof(announce_buf), 1742 "cd present [%lu x %lu byte records]", 1743 cdp->disksize, (u_long)cdp->blksize); 1744 1745 } else { 1746 int error; 1747 /* 1748 * Retry any UNIT ATTENTION type errors. They 1749 * are expected at boot. 1750 */ 1751 error = cderror(done_ccb, CAM_RETRY_SELTO, 1752 SF_RETRY_UA | SF_NO_PRINT); 1753 if (error == ERESTART) { 1754 /* 1755 * A retry was scheuled, so 1756 * just return. 1757 */ 1758 return; 1759 } else if (error != 0) { 1760 1761 struct scsi_sense_data *sense; 1762 int asc, ascq; 1763 int sense_key, error_code; 1764 int have_sense; 1765 cam_status status; 1766 struct ccb_getdev cgd; 1767 1768 /* Don't wedge this device's queue */ 1769 cam_release_devq(done_ccb->ccb_h.path, 1770 /*relsim_flags*/0, 1771 /*reduction*/0, 1772 /*timeout*/0, 1773 /*getcount_only*/0); 1774 1775 status = done_ccb->ccb_h.status; 1776 1777 xpt_setup_ccb(&cgd.ccb_h, 1778 done_ccb->ccb_h.path, 1779 /* priority */ 1); 1780 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1781 xpt_action((union ccb *)&cgd); 1782 1783 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1784 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1785 || ((status & CAM_AUTOSNS_VALID) == 0)) 1786 have_sense = FALSE; 1787 else 1788 have_sense = TRUE; 1789 1790 if (have_sense) { 1791 sense = &csio->sense_data; 1792 scsi_extract_sense(sense, &error_code, 1793 &sense_key, 1794 &asc, &ascq); 1795 } 1796 /* 1797 * Attach to anything that claims to be a 1798 * CDROM or WORM device, as long as it 1799 * doesn't return a "Logical unit not 1800 * supported" (0x25) error. 1801 */ 1802 if ((have_sense) && (asc != 0x25) 1803 && (error_code == SSD_CURRENT_ERROR)) { 1804 const char *sense_key_desc; 1805 const char *asc_desc; 1806 1807 scsi_sense_desc(sense_key, asc, ascq, 1808 &cgd.inq_data, 1809 &sense_key_desc, 1810 &asc_desc); 1811 snprintf(announce_buf, 1812 sizeof(announce_buf), 1813 "Attempt to query device " 1814 "size failed: %s, %s", 1815 sense_key_desc, 1816 asc_desc); 1817 } else if ((have_sense == 0) 1818 && ((status & CAM_STATUS_MASK) == 1819 CAM_SCSI_STATUS_ERROR) 1820 && (csio->scsi_status == 1821 SCSI_STATUS_BUSY)) { 1822 snprintf(announce_buf, 1823 sizeof(announce_buf), 1824 "Attempt to query device " 1825 "size failed: SCSI Status: %s", 1826 scsi_status_string(csio)); 1827 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1828 /* 1829 * We only print out an error for 1830 * CDROM type devices. For WORM 1831 * devices, we don't print out an 1832 * error since a few WORM devices 1833 * don't support CDROM commands. 1834 * If we have sense information, go 1835 * ahead and print it out. 1836 * Otherwise, just say that we 1837 * couldn't attach. 1838 */ 1839 1840 /* 1841 * Just print out the error, not 1842 * the full probe message, when we 1843 * don't attach. 1844 */ 1845 if (have_sense) 1846 scsi_sense_print( 1847 &done_ccb->csio); 1848 else { 1849 xpt_print_path(periph->path); 1850 printf("got CAM status %#x\n", 1851 done_ccb->ccb_h.status); 1852 } 1853 xpt_print_path(periph->path); 1854 printf("fatal error, failed" 1855 " to attach to device\n"); 1856 1857 /* 1858 * Invalidate this peripheral. 1859 */ 1860 cam_periph_invalidate(periph); 1861 1862 announce_buf[0] = '\0'; 1863 } else { 1864 1865 /* 1866 * Invalidate this peripheral. 1867 */ 1868 cam_periph_invalidate(periph); 1869 announce_buf[0] = '\0'; 1870 } 1871 } 1872 } 1873 free(rdcap, M_TEMP); 1874 if (announce_buf[0] != '\0') { 1875 xpt_announce_periph(periph, announce_buf); 1876 if (softc->flags & CD_FLAG_CHANGER) 1877 cdchangerschedule(softc); 1878 /* 1879 * Create our sysctl variables, now that we know 1880 * we have successfully attached. 1881 */ 1882 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1883 } 1884 softc->state = CD_STATE_NORMAL; 1885 /* 1886 * Since our peripheral may be invalidated by an error 1887 * above or an external event, we must release our CCB 1888 * before releasing the probe lock on the peripheral. 1889 * The peripheral will only go away once the last lock 1890 * is removed, and we need it around for the CCB release 1891 * operation. 1892 */ 1893 xpt_release_ccb(done_ccb); 1894 cam_periph_unlock(periph); 1895 return; 1896 } 1897 case CD_CCB_WAITING: 1898 { 1899 /* Caller will release the CCB */ 1900 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1901 ("trying to wakeup ccbwait\n")); 1902 1903 wakeup(&done_ccb->ccb_h.cbfcnp); 1904 return; 1905 } 1906 default: 1907 break; 1908 } 1909 xpt_release_ccb(done_ccb); 1910 } 1911 1912 static union cd_pages * 1913 cdgetpage(struct cd_mode_params *mode_params) 1914 { 1915 union cd_pages *page; 1916 1917 if (mode_params->cdb_size == 10) 1918 page = (union cd_pages *)find_mode_page_10( 1919 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1920 else 1921 page = (union cd_pages *)find_mode_page_6( 1922 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1923 1924 return (page); 1925 } 1926 1927 static int 1928 cdgetpagesize(int page_num) 1929 { 1930 int i; 1931 1932 for (i = 0; i < (sizeof(cd_page_size_table)/ 1933 sizeof(cd_page_size_table[0])); i++) { 1934 if (cd_page_size_table[i].page == page_num) 1935 return (cd_page_size_table[i].page_size); 1936 } 1937 1938 return (-1); 1939 } 1940 1941 static int 1942 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1943 { 1944 1945 struct cam_periph *periph; 1946 struct cd_softc *softc; 1947 int error; 1948 1949 periph = (struct cam_periph *)dev->si_drv1; 1950 if (periph == NULL) 1951 return(ENXIO); 1952 1953 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1954 1955 softc = (struct cd_softc *)periph->softc; 1956 1957 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1958 ("trying to do ioctl %#lx\n", cmd)); 1959 1960 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1961 1962 if (error != 0) 1963 return(error); 1964 /* 1965 * If we don't have media loaded, check for it. If still don't 1966 * have media loaded, we can only do a load or eject. 1967 */ 1968 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1969 && ((cmd != CDIOCCLOSE) 1970 && (cmd != CDIOCEJECT))) { 1971 error = cdcheckmedia(periph); 1972 if (error != 0) { 1973 cam_periph_unlock(periph); 1974 return (error); 1975 } 1976 } 1977 1978 switch (cmd) { 1979 1980 case DIOCGMEDIASIZE: 1981 *(off_t *)addr = 1982 (off_t)softc->params.blksize * softc->params.disksize; 1983 break; 1984 case DIOCGSECTORSIZE: 1985 *(u_int *)addr = softc->params.blksize; 1986 break; 1987 1988 case CDIOCPLAYTRACKS: 1989 { 1990 struct ioc_play_track *args 1991 = (struct ioc_play_track *) addr; 1992 struct cd_mode_params params; 1993 union cd_pages *page; 1994 1995 params.alloc_len = sizeof(union cd_mode_data_6_10); 1996 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1997 M_WAITOK | M_ZERO); 1998 1999 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2000 ("trying to do CDIOCPLAYTRACKS\n")); 2001 2002 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2003 if (error) { 2004 free(params.mode_buf, M_TEMP); 2005 break; 2006 } 2007 page = cdgetpage(¶ms); 2008 2009 page->audio.flags &= ~CD_PA_SOTC; 2010 page->audio.flags |= CD_PA_IMMED; 2011 error = cdsetmode(periph, ¶ms); 2012 free(params.mode_buf, M_TEMP); 2013 if (error) 2014 break; 2015 2016 /* 2017 * This was originally implemented with the PLAY 2018 * AUDIO TRACK INDEX command, but that command was 2019 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2020 * drives support it but ATAPI and ATAPI-derivative 2021 * drives don't seem to support it. So we keep a 2022 * cache of the table of contents and translate 2023 * track numbers to MSF format. 2024 */ 2025 if (softc->flags & CD_FLAG_VALID_TOC) { 2026 union msf_lba *sentry, *eentry; 2027 int st, et; 2028 2029 if (args->end_track < 2030 softc->toc.header.ending_track + 1) 2031 args->end_track++; 2032 if (args->end_track > 2033 softc->toc.header.ending_track + 1) 2034 args->end_track = 2035 softc->toc.header.ending_track + 1; 2036 st = args->start_track - 2037 softc->toc.header.starting_track; 2038 et = args->end_track - 2039 softc->toc.header.starting_track; 2040 if ((st < 0) 2041 || (et < 0) 2042 || (st > (softc->toc.header.ending_track - 2043 softc->toc.header.starting_track))) { 2044 error = EINVAL; 2045 break; 2046 } 2047 sentry = &softc->toc.entries[st].addr; 2048 eentry = &softc->toc.entries[et].addr; 2049 error = cdplaymsf(periph, 2050 sentry->msf.minute, 2051 sentry->msf.second, 2052 sentry->msf.frame, 2053 eentry->msf.minute, 2054 eentry->msf.second, 2055 eentry->msf.frame); 2056 } else { 2057 /* 2058 * If we don't have a valid TOC, try the 2059 * play track index command. It is part of 2060 * the SCSI-2 spec, but was removed in the 2061 * MMC specs. ATAPI and ATAPI-derived 2062 * drives don't support it. 2063 */ 2064 if (softc->quirks & CD_Q_BCD_TRACKS) { 2065 args->start_track = 2066 bin2bcd(args->start_track); 2067 args->end_track = 2068 bin2bcd(args->end_track); 2069 } 2070 error = cdplaytracks(periph, 2071 args->start_track, 2072 args->start_index, 2073 args->end_track, 2074 args->end_index); 2075 } 2076 } 2077 break; 2078 case CDIOCPLAYMSF: 2079 { 2080 struct ioc_play_msf *args 2081 = (struct ioc_play_msf *) addr; 2082 struct cd_mode_params params; 2083 union cd_pages *page; 2084 2085 params.alloc_len = sizeof(union cd_mode_data_6_10); 2086 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2087 M_WAITOK | M_ZERO); 2088 2089 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2090 ("trying to do CDIOCPLAYMSF\n")); 2091 2092 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2093 if (error) { 2094 free(params.mode_buf, M_TEMP); 2095 break; 2096 } 2097 page = cdgetpage(¶ms); 2098 2099 page->audio.flags &= ~CD_PA_SOTC; 2100 page->audio.flags |= CD_PA_IMMED; 2101 error = cdsetmode(periph, ¶ms); 2102 free(params.mode_buf, M_TEMP); 2103 if (error) 2104 break; 2105 error = cdplaymsf(periph, 2106 args->start_m, 2107 args->start_s, 2108 args->start_f, 2109 args->end_m, 2110 args->end_s, 2111 args->end_f); 2112 } 2113 break; 2114 case CDIOCPLAYBLOCKS: 2115 { 2116 struct ioc_play_blocks *args 2117 = (struct ioc_play_blocks *) addr; 2118 struct cd_mode_params params; 2119 union cd_pages *page; 2120 2121 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2122 ("trying to do CDIOCPLAYBLOCKS\n")); 2123 2124 params.alloc_len = sizeof(union cd_mode_data_6_10); 2125 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2126 M_WAITOK | M_ZERO); 2127 2128 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2129 if (error) { 2130 free(params.mode_buf, M_TEMP); 2131 break; 2132 } 2133 page = cdgetpage(¶ms); 2134 2135 page->audio.flags &= ~CD_PA_SOTC; 2136 page->audio.flags |= CD_PA_IMMED; 2137 error = cdsetmode(periph, ¶ms); 2138 free(params.mode_buf, M_TEMP); 2139 if (error) 2140 break; 2141 error = cdplay(periph, args->blk, args->len); 2142 } 2143 break; 2144 case CDIOCREADSUBCHANNEL: 2145 { 2146 struct ioc_read_subchannel *args 2147 = (struct ioc_read_subchannel *) addr; 2148 struct cd_sub_channel_info *data; 2149 u_int32_t len = args->data_len; 2150 2151 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2152 ("trying to do CDIOCREADSUBCHANNEL\n")); 2153 2154 data = malloc(sizeof(struct cd_sub_channel_info), 2155 M_TEMP, M_WAITOK); 2156 2157 if ((len > sizeof(struct cd_sub_channel_info)) || 2158 (len < sizeof(struct cd_sub_channel_header))) { 2159 printf( 2160 "scsi_cd: cdioctl: " 2161 "cdioreadsubchannel: error, len=%d\n", 2162 len); 2163 error = EINVAL; 2164 free(data, M_TEMP); 2165 break; 2166 } 2167 2168 if (softc->quirks & CD_Q_BCD_TRACKS) 2169 args->track = bin2bcd(args->track); 2170 2171 error = cdreadsubchannel(periph, args->address_format, 2172 args->data_format, args->track, data, len); 2173 2174 if (error) { 2175 free(data, M_TEMP); 2176 break; 2177 } 2178 if (softc->quirks & CD_Q_BCD_TRACKS) 2179 data->what.track_info.track_number = 2180 bcd2bin(data->what.track_info.track_number); 2181 len = min(len, ((data->header.data_len[0] << 8) + 2182 data->header.data_len[1] + 2183 sizeof(struct cd_sub_channel_header))); 2184 if (copyout(data, args->data, len) != 0) { 2185 error = EFAULT; 2186 } 2187 free(data, M_TEMP); 2188 } 2189 break; 2190 2191 case CDIOREADTOCHEADER: 2192 { 2193 struct ioc_toc_header *th; 2194 2195 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2196 ("trying to do CDIOREADTOCHEADER\n")); 2197 2198 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2199 M_WAITOK); 2200 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2201 sizeof (*th), /*sense_flags*/0); 2202 if (error) { 2203 free(th, M_TEMP); 2204 break; 2205 } 2206 if (softc->quirks & CD_Q_BCD_TRACKS) { 2207 /* we are going to have to convert the BCD 2208 * encoding on the cd to what is expected 2209 */ 2210 th->starting_track = 2211 bcd2bin(th->starting_track); 2212 th->ending_track = bcd2bin(th->ending_track); 2213 } 2214 th->len = ntohs(th->len); 2215 bcopy(th, addr, sizeof(*th)); 2216 free(th, M_TEMP); 2217 } 2218 break; 2219 case CDIOREADTOCENTRYS: 2220 { 2221 struct cd_tocdata *data; 2222 struct cd_toc_single *lead; 2223 struct ioc_read_toc_entry *te = 2224 (struct ioc_read_toc_entry *) addr; 2225 struct ioc_toc_header *th; 2226 u_int32_t len, readlen, idx, num; 2227 u_int32_t starting_track = te->starting_track; 2228 2229 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2230 ("trying to do CDIOREADTOCENTRYS\n")); 2231 2232 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2233 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2234 2235 if (te->data_len < sizeof(struct cd_toc_entry) 2236 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2237 || (te->address_format != CD_MSF_FORMAT 2238 && te->address_format != CD_LBA_FORMAT)) { 2239 error = EINVAL; 2240 printf("scsi_cd: error in readtocentries, " 2241 "returning EINVAL\n"); 2242 free(data, M_TEMP); 2243 free(lead, M_TEMP); 2244 break; 2245 } 2246 2247 th = &data->header; 2248 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2249 sizeof (*th), /*sense_flags*/0); 2250 if (error) { 2251 free(data, M_TEMP); 2252 free(lead, M_TEMP); 2253 break; 2254 } 2255 2256 if (softc->quirks & CD_Q_BCD_TRACKS) { 2257 /* we are going to have to convert the BCD 2258 * encoding on the cd to what is expected 2259 */ 2260 th->starting_track = 2261 bcd2bin(th->starting_track); 2262 th->ending_track = bcd2bin(th->ending_track); 2263 } 2264 2265 if (starting_track == 0) 2266 starting_track = th->starting_track; 2267 else if (starting_track == LEADOUT) 2268 starting_track = th->ending_track + 1; 2269 else if (starting_track < th->starting_track || 2270 starting_track > th->ending_track + 1) { 2271 printf("scsi_cd: error in readtocentries, " 2272 "returning EINVAL\n"); 2273 free(data, M_TEMP); 2274 free(lead, M_TEMP); 2275 error = EINVAL; 2276 break; 2277 } 2278 2279 /* calculate reading length without leadout entry */ 2280 readlen = (th->ending_track - starting_track + 1) * 2281 sizeof(struct cd_toc_entry); 2282 2283 /* and with leadout entry */ 2284 len = readlen + sizeof(struct cd_toc_entry); 2285 if (te->data_len < len) { 2286 len = te->data_len; 2287 if (readlen > len) 2288 readlen = len; 2289 } 2290 if (len > sizeof(data->entries)) { 2291 printf("scsi_cd: error in readtocentries, " 2292 "returning EINVAL\n"); 2293 error = EINVAL; 2294 free(data, M_TEMP); 2295 free(lead, M_TEMP); 2296 break; 2297 } 2298 num = len / sizeof(struct cd_toc_entry); 2299 2300 if (readlen > 0) { 2301 error = cdreadtoc(periph, te->address_format, 2302 starting_track, 2303 (u_int8_t *)data, 2304 readlen + sizeof (*th), 2305 /*sense_flags*/0); 2306 if (error) { 2307 free(data, M_TEMP); 2308 free(lead, M_TEMP); 2309 break; 2310 } 2311 } 2312 2313 /* make leadout entry if needed */ 2314 idx = starting_track + num - 1; 2315 if (softc->quirks & CD_Q_BCD_TRACKS) 2316 th->ending_track = bcd2bin(th->ending_track); 2317 if (idx == th->ending_track + 1) { 2318 error = cdreadtoc(periph, te->address_format, 2319 LEADOUT, (u_int8_t *)lead, 2320 sizeof(*lead), 2321 /*sense_flags*/0); 2322 if (error) { 2323 free(data, M_TEMP); 2324 free(lead, M_TEMP); 2325 break; 2326 } 2327 data->entries[idx - starting_track] = 2328 lead->entry; 2329 } 2330 if (softc->quirks & CD_Q_BCD_TRACKS) { 2331 for (idx = 0; idx < num - 1; idx++) { 2332 data->entries[idx].track = 2333 bcd2bin(data->entries[idx].track); 2334 } 2335 } 2336 2337 error = copyout(data->entries, te->data, len); 2338 free(data, M_TEMP); 2339 free(lead, M_TEMP); 2340 } 2341 break; 2342 case CDIOREADTOCENTRY: 2343 { 2344 struct cd_toc_single *data; 2345 struct ioc_read_toc_single_entry *te = 2346 (struct ioc_read_toc_single_entry *) addr; 2347 struct ioc_toc_header *th; 2348 u_int32_t track; 2349 2350 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2351 ("trying to do CDIOREADTOCENTRY\n")); 2352 2353 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2354 2355 if (te->address_format != CD_MSF_FORMAT 2356 && te->address_format != CD_LBA_FORMAT) { 2357 printf("error in readtocentry, " 2358 " returning EINVAL\n"); 2359 free(data, M_TEMP); 2360 error = EINVAL; 2361 break; 2362 } 2363 2364 th = &data->header; 2365 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2366 sizeof (*th), /*sense_flags*/0); 2367 if (error) { 2368 free(data, M_TEMP); 2369 break; 2370 } 2371 2372 if (softc->quirks & CD_Q_BCD_TRACKS) { 2373 /* we are going to have to convert the BCD 2374 * encoding on the cd to what is expected 2375 */ 2376 th->starting_track = 2377 bcd2bin(th->starting_track); 2378 th->ending_track = bcd2bin(th->ending_track); 2379 } 2380 track = te->track; 2381 if (track == 0) 2382 track = th->starting_track; 2383 else if (track == LEADOUT) 2384 /* OK */; 2385 else if (track < th->starting_track || 2386 track > th->ending_track + 1) { 2387 printf("error in readtocentry, " 2388 " returning EINVAL\n"); 2389 free(data, M_TEMP); 2390 error = EINVAL; 2391 break; 2392 } 2393 2394 error = cdreadtoc(periph, te->address_format, track, 2395 (u_int8_t *)data, sizeof(*data), 2396 /*sense_flags*/0); 2397 if (error) { 2398 free(data, M_TEMP); 2399 break; 2400 } 2401 2402 if (softc->quirks & CD_Q_BCD_TRACKS) 2403 data->entry.track = bcd2bin(data->entry.track); 2404 bcopy(&data->entry, &te->entry, 2405 sizeof(struct cd_toc_entry)); 2406 free(data, M_TEMP); 2407 } 2408 break; 2409 case CDIOCSETPATCH: 2410 { 2411 struct ioc_patch *arg = (struct ioc_patch *)addr; 2412 struct cd_mode_params params; 2413 union cd_pages *page; 2414 2415 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2416 ("trying to do CDIOCSETPATCH\n")); 2417 2418 params.alloc_len = sizeof(union cd_mode_data_6_10); 2419 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2420 M_WAITOK | M_ZERO); 2421 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2422 if (error) { 2423 free(params.mode_buf, M_TEMP); 2424 break; 2425 } 2426 page = cdgetpage(¶ms); 2427 2428 page->audio.port[LEFT_PORT].channels = 2429 arg->patch[0]; 2430 page->audio.port[RIGHT_PORT].channels = 2431 arg->patch[1]; 2432 page->audio.port[2].channels = arg->patch[2]; 2433 page->audio.port[3].channels = arg->patch[3]; 2434 error = cdsetmode(periph, ¶ms); 2435 free(params.mode_buf, M_TEMP); 2436 } 2437 break; 2438 case CDIOCGETVOL: 2439 { 2440 struct ioc_vol *arg = (struct ioc_vol *) addr; 2441 struct cd_mode_params params; 2442 union cd_pages *page; 2443 2444 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2445 ("trying to do CDIOCGETVOL\n")); 2446 2447 params.alloc_len = sizeof(union cd_mode_data_6_10); 2448 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2449 M_WAITOK | M_ZERO); 2450 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2451 if (error) { 2452 free(params.mode_buf, M_TEMP); 2453 break; 2454 } 2455 page = cdgetpage(¶ms); 2456 2457 arg->vol[LEFT_PORT] = 2458 page->audio.port[LEFT_PORT].volume; 2459 arg->vol[RIGHT_PORT] = 2460 page->audio.port[RIGHT_PORT].volume; 2461 arg->vol[2] = page->audio.port[2].volume; 2462 arg->vol[3] = page->audio.port[3].volume; 2463 free(params.mode_buf, M_TEMP); 2464 } 2465 break; 2466 case CDIOCSETVOL: 2467 { 2468 struct ioc_vol *arg = (struct ioc_vol *) addr; 2469 struct cd_mode_params params; 2470 union cd_pages *page; 2471 2472 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2473 ("trying to do CDIOCSETVOL\n")); 2474 2475 params.alloc_len = sizeof(union cd_mode_data_6_10); 2476 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2477 M_WAITOK | M_ZERO); 2478 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2479 if (error) { 2480 free(params.mode_buf, M_TEMP); 2481 break; 2482 } 2483 page = cdgetpage(¶ms); 2484 2485 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2486 page->audio.port[LEFT_PORT].volume = 2487 arg->vol[LEFT_PORT]; 2488 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2489 page->audio.port[RIGHT_PORT].volume = 2490 arg->vol[RIGHT_PORT]; 2491 page->audio.port[2].volume = arg->vol[2]; 2492 page->audio.port[3].volume = arg->vol[3]; 2493 error = cdsetmode(periph, ¶ms); 2494 free(params.mode_buf, M_TEMP); 2495 } 2496 break; 2497 case CDIOCSETMONO: 2498 { 2499 struct cd_mode_params params; 2500 union cd_pages *page; 2501 2502 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2503 ("trying to do CDIOCSETMONO\n")); 2504 2505 params.alloc_len = sizeof(union cd_mode_data_6_10); 2506 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2507 M_WAITOK | M_ZERO); 2508 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2509 if (error) { 2510 free(params.mode_buf, M_TEMP); 2511 break; 2512 } 2513 page = cdgetpage(¶ms); 2514 2515 page->audio.port[LEFT_PORT].channels = 2516 LEFT_CHANNEL | RIGHT_CHANNEL; 2517 page->audio.port[RIGHT_PORT].channels = 2518 LEFT_CHANNEL | RIGHT_CHANNEL; 2519 page->audio.port[2].channels = 0; 2520 page->audio.port[3].channels = 0; 2521 error = cdsetmode(periph, ¶ms); 2522 free(params.mode_buf, M_TEMP); 2523 } 2524 break; 2525 case CDIOCSETSTEREO: 2526 { 2527 struct cd_mode_params params; 2528 union cd_pages *page; 2529 2530 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2531 ("trying to do CDIOCSETSTEREO\n")); 2532 2533 params.alloc_len = sizeof(union cd_mode_data_6_10); 2534 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2535 M_WAITOK | M_ZERO); 2536 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2537 if (error) { 2538 free(params.mode_buf, M_TEMP); 2539 break; 2540 } 2541 page = cdgetpage(¶ms); 2542 2543 page->audio.port[LEFT_PORT].channels = 2544 LEFT_CHANNEL; 2545 page->audio.port[RIGHT_PORT].channels = 2546 RIGHT_CHANNEL; 2547 page->audio.port[2].channels = 0; 2548 page->audio.port[3].channels = 0; 2549 error = cdsetmode(periph, ¶ms); 2550 free(params.mode_buf, M_TEMP); 2551 } 2552 break; 2553 case CDIOCSETMUTE: 2554 { 2555 struct cd_mode_params params; 2556 union cd_pages *page; 2557 2558 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2559 ("trying to do CDIOCSETMUTE\n")); 2560 2561 params.alloc_len = sizeof(union cd_mode_data_6_10); 2562 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2563 M_WAITOK | M_ZERO); 2564 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2565 if (error) { 2566 free(¶ms, M_TEMP); 2567 break; 2568 } 2569 page = cdgetpage(¶ms); 2570 2571 page->audio.port[LEFT_PORT].channels = 0; 2572 page->audio.port[RIGHT_PORT].channels = 0; 2573 page->audio.port[2].channels = 0; 2574 page->audio.port[3].channels = 0; 2575 error = cdsetmode(periph, ¶ms); 2576 free(params.mode_buf, M_TEMP); 2577 } 2578 break; 2579 case CDIOCSETLEFT: 2580 { 2581 struct cd_mode_params params; 2582 union cd_pages *page; 2583 2584 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2585 ("trying to do CDIOCSETLEFT\n")); 2586 2587 params.alloc_len = sizeof(union cd_mode_data_6_10); 2588 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2589 M_WAITOK | M_ZERO); 2590 2591 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2592 if (error) { 2593 free(params.mode_buf, M_TEMP); 2594 break; 2595 } 2596 page = cdgetpage(¶ms); 2597 2598 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2599 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2600 page->audio.port[2].channels = 0; 2601 page->audio.port[3].channels = 0; 2602 error = cdsetmode(periph, ¶ms); 2603 free(params.mode_buf, M_TEMP); 2604 } 2605 break; 2606 case CDIOCSETRIGHT: 2607 { 2608 struct cd_mode_params params; 2609 union cd_pages *page; 2610 2611 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2612 ("trying to do CDIOCSETRIGHT\n")); 2613 2614 params.alloc_len = sizeof(union cd_mode_data_6_10); 2615 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2616 M_WAITOK | M_ZERO); 2617 2618 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2619 if (error) { 2620 free(params.mode_buf, M_TEMP); 2621 break; 2622 } 2623 page = cdgetpage(¶ms); 2624 2625 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2626 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2627 page->audio.port[2].channels = 0; 2628 page->audio.port[3].channels = 0; 2629 error = cdsetmode(periph, ¶ms); 2630 free(params.mode_buf, M_TEMP); 2631 } 2632 break; 2633 case CDIOCRESUME: 2634 error = cdpause(periph, 1); 2635 break; 2636 case CDIOCPAUSE: 2637 error = cdpause(periph, 0); 2638 break; 2639 case CDIOCSTART: 2640 error = cdstartunit(periph, 0); 2641 break; 2642 case CDIOCCLOSE: 2643 error = cdstartunit(periph, 1); 2644 break; 2645 case CDIOCSTOP: 2646 error = cdstopunit(periph, 0); 2647 break; 2648 case CDIOCEJECT: 2649 error = cdstopunit(periph, 1); 2650 break; 2651 case CDIOCALLOW: 2652 cdprevent(periph, PR_ALLOW); 2653 break; 2654 case CDIOCPREVENT: 2655 cdprevent(periph, PR_PREVENT); 2656 break; 2657 case CDIOCSETDEBUG: 2658 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2659 error = ENOTTY; 2660 break; 2661 case CDIOCCLRDEBUG: 2662 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2663 error = ENOTTY; 2664 break; 2665 case CDIOCRESET: 2666 /* return (cd_reset(periph)); */ 2667 error = ENOTTY; 2668 break; 2669 case CDRIOCREADSPEED: 2670 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2671 break; 2672 case CDRIOCWRITESPEED: 2673 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2674 break; 2675 case DVDIOCSENDKEY: 2676 case DVDIOCREPORTKEY: { 2677 struct dvd_authinfo *authinfo; 2678 2679 authinfo = (struct dvd_authinfo *)addr; 2680 2681 if (cmd == DVDIOCREPORTKEY) 2682 error = cdreportkey(periph, authinfo); 2683 else 2684 error = cdsendkey(periph, authinfo); 2685 break; 2686 } 2687 case DVDIOCREADSTRUCTURE: { 2688 struct dvd_struct *dvdstruct; 2689 2690 dvdstruct = (struct dvd_struct *)addr; 2691 2692 error = cdreaddvdstructure(periph, dvdstruct); 2693 2694 break; 2695 } 2696 default: 2697 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2698 break; 2699 } 2700 2701 cam_periph_unlock(periph); 2702 2703 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2704 if (error && bootverbose) { 2705 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2706 } 2707 2708 return (error); 2709 } 2710 2711 static void 2712 cdprevent(struct cam_periph *periph, int action) 2713 { 2714 union ccb *ccb; 2715 struct cd_softc *softc; 2716 int error; 2717 2718 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2719 2720 softc = (struct cd_softc *)periph->softc; 2721 2722 if (((action == PR_ALLOW) 2723 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2724 || ((action == PR_PREVENT) 2725 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2726 return; 2727 } 2728 2729 ccb = cdgetccb(periph, /* priority */ 1); 2730 2731 scsi_prevent(&ccb->csio, 2732 /*retries*/ 1, 2733 cddone, 2734 MSG_SIMPLE_Q_TAG, 2735 action, 2736 SSD_FULL_SIZE, 2737 /* timeout */60000); 2738 2739 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2740 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2741 2742 xpt_release_ccb(ccb); 2743 2744 if (error == 0) { 2745 if (action == PR_ALLOW) 2746 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2747 else 2748 softc->flags |= CD_FLAG_DISC_LOCKED; 2749 } 2750 } 2751 2752 static int 2753 cdcheckmedia(struct cam_periph *periph) 2754 { 2755 struct cd_softc *softc; 2756 struct ioc_toc_header *toch; 2757 struct cd_toc_single leadout; 2758 u_int32_t size, toclen; 2759 int error, num_entries, cdindex; 2760 2761 softc = (struct cd_softc *)periph->softc; 2762 2763 cdprevent(periph, PR_PREVENT); 2764 2765 /* 2766 * Get the disc size and block size. If we can't get it, we don't 2767 * have media, most likely. 2768 */ 2769 if ((error = cdsize(periph, &size)) != 0) { 2770 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2771 cdprevent(periph, PR_ALLOW); 2772 return (error); 2773 } else 2774 softc->flags |= CD_FLAG_VALID_MEDIA; 2775 2776 /* 2777 * Now we check the table of contents. This (currently) is only 2778 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2779 * things like present a separate entry in /dev for each track, 2780 * like that acd(4) driver does. 2781 */ 2782 bzero(&softc->toc, sizeof(softc->toc)); 2783 toch = &softc->toc.header; 2784 /* 2785 * We will get errors here for media that doesn't have a table of 2786 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2787 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2788 * has not been recorded (no complete session) and the Format codes 2789 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2790 * with an INVALID FIELD IN CDB. Devices that are not capable of 2791 * reading an incomplete session on DDC/CD-R/RW media shall report 2792 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2793 * 2794 * So this isn't fatal if we can't read the table of contents, it 2795 * just means that the user won't be able to issue the play tracks 2796 * ioctl, and likely lots of other stuff won't work either. They 2797 * need to burn the CD before we can do a whole lot with it. So 2798 * we don't print anything here if we get an error back. 2799 */ 2800 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2801 SF_NO_PRINT); 2802 /* 2803 * Errors in reading the table of contents aren't fatal, we just 2804 * won't have a valid table of contents cached. 2805 */ 2806 if (error != 0) { 2807 error = 0; 2808 bzero(&softc->toc, sizeof(softc->toc)); 2809 goto bailout; 2810 } 2811 2812 if (softc->quirks & CD_Q_BCD_TRACKS) { 2813 toch->starting_track = bcd2bin(toch->starting_track); 2814 toch->ending_track = bcd2bin(toch->ending_track); 2815 } 2816 2817 /* Number of TOC entries, plus leadout */ 2818 num_entries = (toch->ending_track - toch->starting_track) + 2; 2819 2820 if (num_entries <= 0) 2821 goto bailout; 2822 2823 toclen = num_entries * sizeof(struct cd_toc_entry); 2824 2825 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2826 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2827 SF_NO_PRINT); 2828 if (error != 0) { 2829 error = 0; 2830 bzero(&softc->toc, sizeof(softc->toc)); 2831 goto bailout; 2832 } 2833 2834 if (softc->quirks & CD_Q_BCD_TRACKS) { 2835 toch->starting_track = bcd2bin(toch->starting_track); 2836 toch->ending_track = bcd2bin(toch->ending_track); 2837 } 2838 /* 2839 * XXX KDM is this necessary? Probably only if the drive doesn't 2840 * return leadout information with the table of contents. 2841 */ 2842 cdindex = toch->starting_track + num_entries -1; 2843 if (cdindex == toch->ending_track + 1) { 2844 2845 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2846 (u_int8_t *)&leadout, sizeof(leadout), 2847 SF_NO_PRINT); 2848 if (error != 0) { 2849 error = 0; 2850 goto bailout; 2851 } 2852 softc->toc.entries[cdindex - toch->starting_track] = 2853 leadout.entry; 2854 } 2855 if (softc->quirks & CD_Q_BCD_TRACKS) { 2856 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2857 softc->toc.entries[cdindex].track = 2858 bcd2bin(softc->toc.entries[cdindex].track); 2859 } 2860 } 2861 2862 softc->flags |= CD_FLAG_VALID_TOC; 2863 2864 bailout: 2865 2866 /* 2867 * We unconditionally (re)set the blocksize each time the 2868 * CD device is opened. This is because the CD can change, 2869 * and therefore the blocksize might change. 2870 * XXX problems here if some slice or partition is still 2871 * open with the old size? 2872 */ 2873 if ((softc->device_stats->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2874 softc->device_stats->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2875 softc->device_stats->block_size = softc->params.blksize; 2876 2877 return (error); 2878 } 2879 2880 static int 2881 cdsize(struct cam_periph *periph, u_int32_t *size) 2882 { 2883 struct cd_softc *softc; 2884 union ccb *ccb; 2885 struct scsi_read_capacity_data *rcap_buf; 2886 int error; 2887 2888 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2889 2890 softc = (struct cd_softc *)periph->softc; 2891 2892 ccb = cdgetccb(periph, /* priority */ 1); 2893 2894 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2895 M_TEMP, M_WAITOK); 2896 2897 scsi_read_capacity(&ccb->csio, 2898 /*retries*/ 1, 2899 cddone, 2900 MSG_SIMPLE_Q_TAG, 2901 rcap_buf, 2902 SSD_FULL_SIZE, 2903 /* timeout */20000); 2904 2905 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2906 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2907 2908 xpt_release_ccb(ccb); 2909 2910 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2911 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2912 /* 2913 * SCSI-3 mandates that the reported blocksize shall be 2048. 2914 * Older drives sometimes report funny values, trim it down to 2915 * 2048, or other parts of the kernel will get confused. 2916 * 2917 * XXX we leave drives alone that might report 512 bytes, as 2918 * well as drives reporting more weird sizes like perhaps 4K. 2919 */ 2920 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2921 softc->params.blksize = 2048; 2922 2923 free(rcap_buf, M_TEMP); 2924 *size = softc->params.disksize; 2925 2926 return (error); 2927 2928 } 2929 2930 static int 2931 cd6byteworkaround(union ccb *ccb) 2932 { 2933 u_int8_t *cdb; 2934 struct cam_periph *periph; 2935 struct cd_softc *softc; 2936 struct cd_mode_params *params; 2937 int frozen, found; 2938 2939 periph = xpt_path_periph(ccb->ccb_h.path); 2940 softc = (struct cd_softc *)periph->softc; 2941 2942 cdb = ccb->csio.cdb_io.cdb_bytes; 2943 2944 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2945 || ((cdb[0] != MODE_SENSE_6) 2946 && (cdb[0] != MODE_SELECT_6))) 2947 return (0); 2948 2949 /* 2950 * Because there is no convenient place to stash the overall 2951 * cd_mode_params structure pointer, we have to grab it like this. 2952 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2953 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2954 * 2955 * XXX It would be nice if, at some point, we could increase the 2956 * number of available peripheral private pointers. Both pointers 2957 * are currently used in most every peripheral driver. 2958 */ 2959 found = 0; 2960 2961 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2962 if (params->mode_buf == ccb->csio.data_ptr) { 2963 found = 1; 2964 break; 2965 } 2966 } 2967 2968 /* 2969 * This shouldn't happen. All mode sense and mode select 2970 * operations in the cd(4) driver MUST go through cdgetmode() and 2971 * cdsetmode()! 2972 */ 2973 if (found == 0) { 2974 xpt_print_path(periph->path); 2975 printf("mode buffer not found in mode queue!\n"); 2976 return (0); 2977 } 2978 2979 params->cdb_size = 10; 2980 softc->minimum_command_size = 10; 2981 xpt_print_path(ccb->ccb_h.path); 2982 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2983 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2984 2985 if (cdb[0] == MODE_SENSE_6) { 2986 struct scsi_mode_sense_10 ms10; 2987 struct scsi_mode_sense_6 *ms6; 2988 int len; 2989 2990 ms6 = (struct scsi_mode_sense_6 *)cdb; 2991 2992 bzero(&ms10, sizeof(ms10)); 2993 ms10.opcode = MODE_SENSE_10; 2994 ms10.byte2 = ms6->byte2; 2995 ms10.page = ms6->page; 2996 2997 /* 2998 * 10 byte mode header, block descriptor, 2999 * sizeof(union cd_pages) 3000 */ 3001 len = sizeof(struct cd_mode_data_10); 3002 ccb->csio.dxfer_len = len; 3003 3004 scsi_ulto2b(len, ms10.length); 3005 ms10.control = ms6->control; 3006 bcopy(&ms10, cdb, 10); 3007 ccb->csio.cdb_len = 10; 3008 } else { 3009 struct scsi_mode_select_10 ms10; 3010 struct scsi_mode_select_6 *ms6; 3011 struct scsi_mode_header_6 *header6; 3012 struct scsi_mode_header_10 *header10; 3013 struct scsi_mode_page_header *page_header; 3014 int blk_desc_len, page_num, page_size, len; 3015 3016 ms6 = (struct scsi_mode_select_6 *)cdb; 3017 3018 bzero(&ms10, sizeof(ms10)); 3019 ms10.opcode = MODE_SELECT_10; 3020 ms10.byte2 = ms6->byte2; 3021 3022 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3023 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3024 3025 page_header = find_mode_page_6(header6); 3026 page_num = page_header->page_code; 3027 3028 blk_desc_len = header6->blk_desc_len; 3029 3030 page_size = cdgetpagesize(page_num); 3031 3032 if (page_size != (page_header->page_length + 3033 sizeof(*page_header))) 3034 page_size = page_header->page_length + 3035 sizeof(*page_header); 3036 3037 len = sizeof(*header10) + blk_desc_len + page_size; 3038 3039 len = min(params->alloc_len, len); 3040 3041 /* 3042 * Since the 6 byte parameter header is shorter than the 10 3043 * byte parameter header, we need to copy the actual mode 3044 * page data, and the block descriptor, if any, so things wind 3045 * up in the right place. The regions will overlap, but 3046 * bcopy() does the right thing. 3047 */ 3048 bcopy(params->mode_buf + sizeof(*header6), 3049 params->mode_buf + sizeof(*header10), 3050 len - sizeof(*header10)); 3051 3052 /* Make sure these fields are set correctly. */ 3053 scsi_ulto2b(0, header10->data_length); 3054 header10->medium_type = 0; 3055 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3056 3057 ccb->csio.dxfer_len = len; 3058 3059 scsi_ulto2b(len, ms10.length); 3060 ms10.control = ms6->control; 3061 bcopy(&ms10, cdb, 10); 3062 ccb->csio.cdb_len = 10; 3063 } 3064 3065 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3066 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3067 xpt_action(ccb); 3068 if (frozen) { 3069 cam_release_devq(ccb->ccb_h.path, 3070 /*relsim_flags*/0, 3071 /*openings*/0, 3072 /*timeout*/0, 3073 /*getcount_only*/0); 3074 } 3075 3076 return (ERESTART); 3077 } 3078 3079 static int 3080 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3081 { 3082 struct cd_softc *softc; 3083 struct cam_periph *periph; 3084 int error; 3085 3086 periph = xpt_path_periph(ccb->ccb_h.path); 3087 softc = (struct cd_softc *)periph->softc; 3088 3089 error = 0; 3090 3091 /* 3092 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3093 * CDB comes back with this particular error, try transforming it 3094 * into the 10 byte version. 3095 */ 3096 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3097 error = cd6byteworkaround(ccb); 3098 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3099 CAM_SCSI_STATUS_ERROR) 3100 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3101 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3102 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3103 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3104 int sense_key, error_code, asc, ascq; 3105 3106 scsi_extract_sense(&ccb->csio.sense_data, 3107 &error_code, &sense_key, &asc, &ascq); 3108 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3109 error = cd6byteworkaround(ccb); 3110 } 3111 3112 if (error == ERESTART) 3113 return (error); 3114 3115 /* 3116 * XXX 3117 * Until we have a better way of doing pack validation, 3118 * don't treat UAs as errors. 3119 */ 3120 sense_flags |= SF_RETRY_UA; 3121 return (cam_periph_error(ccb, cam_flags, sense_flags, 3122 &softc->saved_ccb)); 3123 } 3124 3125 /* 3126 * Read table of contents 3127 */ 3128 static int 3129 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3130 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3131 { 3132 struct scsi_read_toc *scsi_cmd; 3133 u_int32_t ntoc; 3134 struct ccb_scsiio *csio; 3135 union ccb *ccb; 3136 int error; 3137 3138 ntoc = len; 3139 error = 0; 3140 3141 ccb = cdgetccb(periph, /* priority */ 1); 3142 3143 csio = &ccb->csio; 3144 3145 cam_fill_csio(csio, 3146 /* retries */ 1, 3147 /* cbfcnp */ cddone, 3148 /* flags */ CAM_DIR_IN, 3149 /* tag_action */ MSG_SIMPLE_Q_TAG, 3150 /* data_ptr */ data, 3151 /* dxfer_len */ len, 3152 /* sense_len */ SSD_FULL_SIZE, 3153 sizeof(struct scsi_read_toc), 3154 /* timeout */ 50000); 3155 3156 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3157 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3158 3159 if (mode == CD_MSF_FORMAT) 3160 scsi_cmd->byte2 |= CD_MSF; 3161 scsi_cmd->from_track = start; 3162 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3163 scsi_cmd->data_len[0] = (ntoc) >> 8; 3164 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3165 3166 scsi_cmd->op_code = READ_TOC; 3167 3168 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3169 /*sense_flags*/SF_RETRY_UA | sense_flags); 3170 3171 xpt_release_ccb(ccb); 3172 3173 return(error); 3174 } 3175 3176 static int 3177 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3178 u_int32_t format, int track, 3179 struct cd_sub_channel_info *data, u_int32_t len) 3180 { 3181 struct scsi_read_subchannel *scsi_cmd; 3182 struct ccb_scsiio *csio; 3183 union ccb *ccb; 3184 int error; 3185 3186 error = 0; 3187 3188 ccb = cdgetccb(periph, /* priority */ 1); 3189 3190 csio = &ccb->csio; 3191 3192 cam_fill_csio(csio, 3193 /* retries */ 1, 3194 /* cbfcnp */ cddone, 3195 /* flags */ CAM_DIR_IN, 3196 /* tag_action */ MSG_SIMPLE_Q_TAG, 3197 /* data_ptr */ (u_int8_t *)data, 3198 /* dxfer_len */ len, 3199 /* sense_len */ SSD_FULL_SIZE, 3200 sizeof(struct scsi_read_subchannel), 3201 /* timeout */ 50000); 3202 3203 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3204 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3205 3206 scsi_cmd->op_code = READ_SUBCHANNEL; 3207 if (mode == CD_MSF_FORMAT) 3208 scsi_cmd->byte1 |= CD_MSF; 3209 scsi_cmd->byte2 = SRS_SUBQ; 3210 scsi_cmd->subchan_format = format; 3211 scsi_cmd->track = track; 3212 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3213 scsi_cmd->control = 0; 3214 3215 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3216 /*sense_flags*/SF_RETRY_UA); 3217 3218 xpt_release_ccb(ccb); 3219 3220 return(error); 3221 } 3222 3223 3224 /* 3225 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3226 * routine. See comments in cd6byteworkaround() for details. 3227 */ 3228 static int 3229 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3230 u_int32_t page) 3231 { 3232 struct ccb_scsiio *csio; 3233 struct cd_softc *softc; 3234 union ccb *ccb; 3235 int param_len; 3236 int error; 3237 3238 softc = (struct cd_softc *)periph->softc; 3239 3240 ccb = cdgetccb(periph, /* priority */ 1); 3241 3242 csio = &ccb->csio; 3243 3244 data->cdb_size = softc->minimum_command_size; 3245 if (data->cdb_size < 10) 3246 param_len = sizeof(struct cd_mode_data); 3247 else 3248 param_len = sizeof(struct cd_mode_data_10); 3249 3250 /* Don't say we've got more room than we actually allocated */ 3251 param_len = min(param_len, data->alloc_len); 3252 3253 scsi_mode_sense_len(csio, 3254 /* retries */ 1, 3255 /* cbfcnp */ cddone, 3256 /* tag_action */ MSG_SIMPLE_Q_TAG, 3257 /* dbd */ 0, 3258 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3259 /* page */ page, 3260 /* param_buf */ data->mode_buf, 3261 /* param_len */ param_len, 3262 /* minimum_cmd_size */ softc->minimum_command_size, 3263 /* sense_len */ SSD_FULL_SIZE, 3264 /* timeout */ 50000); 3265 3266 /* 3267 * It would be nice not to have to do this, but there's no 3268 * available pointer in the CCB that would allow us to stuff the 3269 * mode params structure in there and retrieve it in 3270 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3271 * lets the caller know what CDB size we ended up using, so they 3272 * can find the actual mode page offset. 3273 */ 3274 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3275 3276 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3277 /*sense_flags*/SF_RETRY_UA); 3278 3279 xpt_release_ccb(ccb); 3280 3281 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3282 3283 /* 3284 * This is a bit of belt-and-suspenders checking, but if we run 3285 * into a situation where the target sends back multiple block 3286 * descriptors, we might not have enough space in the buffer to 3287 * see the whole mode page. Better to return an error than 3288 * potentially access memory beyond our malloced region. 3289 */ 3290 if (error == 0) { 3291 u_int32_t data_len; 3292 3293 if (data->cdb_size == 10) { 3294 struct scsi_mode_header_10 *hdr10; 3295 3296 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3297 data_len = scsi_2btoul(hdr10->data_length); 3298 data_len += sizeof(hdr10->data_length); 3299 } else { 3300 struct scsi_mode_header_6 *hdr6; 3301 3302 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3303 data_len = hdr6->data_length; 3304 data_len += sizeof(hdr6->data_length); 3305 } 3306 3307 /* 3308 * Complain if there is more mode data available than we 3309 * allocated space for. This could potentially happen if 3310 * we miscalculated the page length for some reason, if the 3311 * drive returns multiple block descriptors, or if it sets 3312 * the data length incorrectly. 3313 */ 3314 if (data_len > data->alloc_len) { 3315 xpt_print_path(periph->path); 3316 printf("allocated modepage %d length %d < returned " 3317 "length %d\n", page, data->alloc_len, data_len); 3318 3319 error = ENOSPC; 3320 } 3321 } 3322 return (error); 3323 } 3324 3325 /* 3326 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3327 * routine. See comments in cd6byteworkaround() for details. 3328 */ 3329 static int 3330 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3331 { 3332 struct ccb_scsiio *csio; 3333 struct cd_softc *softc; 3334 union ccb *ccb; 3335 int cdb_size, param_len; 3336 int error; 3337 3338 softc = (struct cd_softc *)periph->softc; 3339 3340 ccb = cdgetccb(periph, /* priority */ 1); 3341 3342 csio = &ccb->csio; 3343 3344 error = 0; 3345 3346 /* 3347 * If the data is formatted for the 10 byte version of the mode 3348 * select parameter list, we need to use the 10 byte CDB. 3349 * Otherwise, we use whatever the stored minimum command size. 3350 */ 3351 if (data->cdb_size == 10) 3352 cdb_size = data->cdb_size; 3353 else 3354 cdb_size = softc->minimum_command_size; 3355 3356 if (cdb_size >= 10) { 3357 struct scsi_mode_header_10 *mode_header; 3358 u_int32_t data_len; 3359 3360 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3361 3362 data_len = scsi_2btoul(mode_header->data_length); 3363 3364 scsi_ulto2b(0, mode_header->data_length); 3365 /* 3366 * SONY drives do not allow a mode select with a medium_type 3367 * value that has just been returned by a mode sense; use a 3368 * medium_type of 0 (Default) instead. 3369 */ 3370 mode_header->medium_type = 0; 3371 3372 /* 3373 * Pass back whatever the drive passed to us, plus the size 3374 * of the data length field. 3375 */ 3376 param_len = data_len + sizeof(mode_header->data_length); 3377 3378 } else { 3379 struct scsi_mode_header_6 *mode_header; 3380 3381 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3382 3383 param_len = mode_header->data_length + 1; 3384 3385 mode_header->data_length = 0; 3386 /* 3387 * SONY drives do not allow a mode select with a medium_type 3388 * value that has just been returned by a mode sense; use a 3389 * medium_type of 0 (Default) instead. 3390 */ 3391 mode_header->medium_type = 0; 3392 } 3393 3394 /* Don't say we've got more room than we actually allocated */ 3395 param_len = min(param_len, data->alloc_len); 3396 3397 scsi_mode_select_len(csio, 3398 /* retries */ 1, 3399 /* cbfcnp */ cddone, 3400 /* tag_action */ MSG_SIMPLE_Q_TAG, 3401 /* scsi_page_fmt */ 1, 3402 /* save_pages */ 0, 3403 /* param_buf */ data->mode_buf, 3404 /* param_len */ param_len, 3405 /* minimum_cmd_size */ cdb_size, 3406 /* sense_len */ SSD_FULL_SIZE, 3407 /* timeout */ 50000); 3408 3409 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3410 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3411 3412 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3413 /*sense_flags*/SF_RETRY_UA); 3414 3415 xpt_release_ccb(ccb); 3416 3417 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3418 3419 return (error); 3420 } 3421 3422 3423 static int 3424 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3425 { 3426 struct ccb_scsiio *csio; 3427 union ccb *ccb; 3428 int error; 3429 u_int8_t cdb_len; 3430 3431 error = 0; 3432 ccb = cdgetccb(periph, /* priority */ 1); 3433 csio = &ccb->csio; 3434 /* 3435 * Use the smallest possible command to perform the operation. 3436 */ 3437 if ((len & 0xffff0000) == 0) { 3438 /* 3439 * We can fit in a 10 byte cdb. 3440 */ 3441 struct scsi_play_10 *scsi_cmd; 3442 3443 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3444 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3445 scsi_cmd->op_code = PLAY_10; 3446 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3447 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3448 cdb_len = sizeof(*scsi_cmd); 3449 } else { 3450 struct scsi_play_12 *scsi_cmd; 3451 3452 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3453 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3454 scsi_cmd->op_code = PLAY_12; 3455 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3456 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3457 cdb_len = sizeof(*scsi_cmd); 3458 } 3459 cam_fill_csio(csio, 3460 /*retries*/2, 3461 cddone, 3462 /*flags*/CAM_DIR_NONE, 3463 MSG_SIMPLE_Q_TAG, 3464 /*dataptr*/NULL, 3465 /*datalen*/0, 3466 /*sense_len*/SSD_FULL_SIZE, 3467 cdb_len, 3468 /*timeout*/50 * 1000); 3469 3470 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3471 /*sense_flags*/SF_RETRY_UA); 3472 3473 xpt_release_ccb(ccb); 3474 3475 return(error); 3476 } 3477 3478 static int 3479 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3480 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3481 { 3482 struct scsi_play_msf *scsi_cmd; 3483 struct ccb_scsiio *csio; 3484 union ccb *ccb; 3485 int error; 3486 3487 error = 0; 3488 3489 ccb = cdgetccb(periph, /* priority */ 1); 3490 3491 csio = &ccb->csio; 3492 3493 cam_fill_csio(csio, 3494 /* retries */ 1, 3495 /* cbfcnp */ cddone, 3496 /* flags */ CAM_DIR_NONE, 3497 /* tag_action */ MSG_SIMPLE_Q_TAG, 3498 /* data_ptr */ NULL, 3499 /* dxfer_len */ 0, 3500 /* sense_len */ SSD_FULL_SIZE, 3501 sizeof(struct scsi_play_msf), 3502 /* timeout */ 50000); 3503 3504 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3505 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3506 3507 scsi_cmd->op_code = PLAY_MSF; 3508 scsi_cmd->start_m = startm; 3509 scsi_cmd->start_s = starts; 3510 scsi_cmd->start_f = startf; 3511 scsi_cmd->end_m = endm; 3512 scsi_cmd->end_s = ends; 3513 scsi_cmd->end_f = endf; 3514 3515 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3516 /*sense_flags*/SF_RETRY_UA); 3517 3518 xpt_release_ccb(ccb); 3519 3520 return(error); 3521 } 3522 3523 3524 static int 3525 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3526 u_int32_t etrack, u_int32_t eindex) 3527 { 3528 struct scsi_play_track *scsi_cmd; 3529 struct ccb_scsiio *csio; 3530 union ccb *ccb; 3531 int error; 3532 3533 error = 0; 3534 3535 ccb = cdgetccb(periph, /* priority */ 1); 3536 3537 csio = &ccb->csio; 3538 3539 cam_fill_csio(csio, 3540 /* retries */ 1, 3541 /* cbfcnp */ cddone, 3542 /* flags */ CAM_DIR_NONE, 3543 /* tag_action */ MSG_SIMPLE_Q_TAG, 3544 /* data_ptr */ NULL, 3545 /* dxfer_len */ 0, 3546 /* sense_len */ SSD_FULL_SIZE, 3547 sizeof(struct scsi_play_track), 3548 /* timeout */ 50000); 3549 3550 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3551 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3552 3553 scsi_cmd->op_code = PLAY_TRACK; 3554 scsi_cmd->start_track = strack; 3555 scsi_cmd->start_index = sindex; 3556 scsi_cmd->end_track = etrack; 3557 scsi_cmd->end_index = eindex; 3558 3559 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3560 /*sense_flags*/SF_RETRY_UA); 3561 3562 xpt_release_ccb(ccb); 3563 3564 return(error); 3565 } 3566 3567 static int 3568 cdpause(struct cam_periph *periph, u_int32_t go) 3569 { 3570 struct scsi_pause *scsi_cmd; 3571 struct ccb_scsiio *csio; 3572 union ccb *ccb; 3573 int error; 3574 3575 error = 0; 3576 3577 ccb = cdgetccb(periph, /* priority */ 1); 3578 3579 csio = &ccb->csio; 3580 3581 cam_fill_csio(csio, 3582 /* retries */ 1, 3583 /* cbfcnp */ cddone, 3584 /* flags */ CAM_DIR_NONE, 3585 /* tag_action */ MSG_SIMPLE_Q_TAG, 3586 /* data_ptr */ NULL, 3587 /* dxfer_len */ 0, 3588 /* sense_len */ SSD_FULL_SIZE, 3589 sizeof(struct scsi_pause), 3590 /* timeout */ 50000); 3591 3592 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3593 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3594 3595 scsi_cmd->op_code = PAUSE; 3596 scsi_cmd->resume = go; 3597 3598 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3599 /*sense_flags*/SF_RETRY_UA); 3600 3601 xpt_release_ccb(ccb); 3602 3603 return(error); 3604 } 3605 3606 static int 3607 cdstartunit(struct cam_periph *periph, int load) 3608 { 3609 union ccb *ccb; 3610 int error; 3611 3612 error = 0; 3613 3614 ccb = cdgetccb(periph, /* priority */ 1); 3615 3616 scsi_start_stop(&ccb->csio, 3617 /* retries */ 1, 3618 /* cbfcnp */ cddone, 3619 /* tag_action */ MSG_SIMPLE_Q_TAG, 3620 /* start */ TRUE, 3621 /* load_eject */ load, 3622 /* immediate */ FALSE, 3623 /* sense_len */ SSD_FULL_SIZE, 3624 /* timeout */ 50000); 3625 3626 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3627 /*sense_flags*/SF_RETRY_UA); 3628 3629 xpt_release_ccb(ccb); 3630 3631 return(error); 3632 } 3633 3634 static int 3635 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3636 { 3637 union ccb *ccb; 3638 int error; 3639 3640 error = 0; 3641 3642 ccb = cdgetccb(periph, /* priority */ 1); 3643 3644 scsi_start_stop(&ccb->csio, 3645 /* retries */ 1, 3646 /* cbfcnp */ cddone, 3647 /* tag_action */ MSG_SIMPLE_Q_TAG, 3648 /* start */ FALSE, 3649 /* load_eject */ eject, 3650 /* immediate */ FALSE, 3651 /* sense_len */ SSD_FULL_SIZE, 3652 /* timeout */ 50000); 3653 3654 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3655 /*sense_flags*/SF_RETRY_UA); 3656 3657 xpt_release_ccb(ccb); 3658 3659 return(error); 3660 } 3661 3662 static int 3663 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3664 { 3665 struct scsi_set_speed *scsi_cmd; 3666 struct ccb_scsiio *csio; 3667 union ccb *ccb; 3668 int error; 3669 3670 error = 0; 3671 ccb = cdgetccb(periph, /* priority */ 1); 3672 csio = &ccb->csio; 3673 3674 /* Preserve old behavior: units in multiples of CDROM speed */ 3675 if (rdspeed < 177) 3676 rdspeed *= 177; 3677 if (wrspeed < 177) 3678 wrspeed *= 177; 3679 3680 cam_fill_csio(csio, 3681 /* retries */ 1, 3682 /* cbfcnp */ cddone, 3683 /* flags */ CAM_DIR_NONE, 3684 /* tag_action */ MSG_SIMPLE_Q_TAG, 3685 /* data_ptr */ NULL, 3686 /* dxfer_len */ 0, 3687 /* sense_len */ SSD_FULL_SIZE, 3688 sizeof(struct scsi_set_speed), 3689 /* timeout */ 50000); 3690 3691 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3692 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3693 3694 scsi_cmd->opcode = SET_CD_SPEED; 3695 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3696 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3697 3698 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3699 /*sense_flags*/SF_RETRY_UA); 3700 3701 xpt_release_ccb(ccb); 3702 3703 return(error); 3704 } 3705 3706 static int 3707 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3708 { 3709 union ccb *ccb; 3710 u_int8_t *databuf; 3711 u_int32_t lba; 3712 int error; 3713 int length; 3714 3715 error = 0; 3716 databuf = NULL; 3717 lba = 0; 3718 3719 ccb = cdgetccb(periph, /* priority */ 1); 3720 3721 switch (authinfo->format) { 3722 case DVD_REPORT_AGID: 3723 length = sizeof(struct scsi_report_key_data_agid); 3724 break; 3725 case DVD_REPORT_CHALLENGE: 3726 length = sizeof(struct scsi_report_key_data_challenge); 3727 break; 3728 case DVD_REPORT_KEY1: 3729 length = sizeof(struct scsi_report_key_data_key1_key2); 3730 break; 3731 case DVD_REPORT_TITLE_KEY: 3732 length = sizeof(struct scsi_report_key_data_title); 3733 /* The lba field is only set for the title key */ 3734 lba = authinfo->lba; 3735 break; 3736 case DVD_REPORT_ASF: 3737 length = sizeof(struct scsi_report_key_data_asf); 3738 break; 3739 case DVD_REPORT_RPC: 3740 length = sizeof(struct scsi_report_key_data_rpc); 3741 break; 3742 case DVD_INVALIDATE_AGID: 3743 length = 0; 3744 break; 3745 default: 3746 error = EINVAL; 3747 goto bailout; 3748 break; /* NOTREACHED */ 3749 } 3750 3751 if (length != 0) { 3752 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3753 } else 3754 databuf = NULL; 3755 3756 3757 scsi_report_key(&ccb->csio, 3758 /* retries */ 1, 3759 /* cbfcnp */ cddone, 3760 /* tag_action */ MSG_SIMPLE_Q_TAG, 3761 /* lba */ lba, 3762 /* agid */ authinfo->agid, 3763 /* key_format */ authinfo->format, 3764 /* data_ptr */ databuf, 3765 /* dxfer_len */ length, 3766 /* sense_len */ SSD_FULL_SIZE, 3767 /* timeout */ 50000); 3768 3769 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3770 /*sense_flags*/SF_RETRY_UA); 3771 3772 if (error != 0) 3773 goto bailout; 3774 3775 if (ccb->csio.resid != 0) { 3776 xpt_print_path(periph->path); 3777 printf("warning, residual for report key command is %d\n", 3778 ccb->csio.resid); 3779 } 3780 3781 switch(authinfo->format) { 3782 case DVD_REPORT_AGID: { 3783 struct scsi_report_key_data_agid *agid_data; 3784 3785 agid_data = (struct scsi_report_key_data_agid *)databuf; 3786 3787 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3788 RKD_AGID_SHIFT; 3789 break; 3790 } 3791 case DVD_REPORT_CHALLENGE: { 3792 struct scsi_report_key_data_challenge *chal_data; 3793 3794 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3795 3796 bcopy(chal_data->challenge_key, authinfo->keychal, 3797 min(sizeof(chal_data->challenge_key), 3798 sizeof(authinfo->keychal))); 3799 break; 3800 } 3801 case DVD_REPORT_KEY1: { 3802 struct scsi_report_key_data_key1_key2 *key1_data; 3803 3804 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3805 3806 bcopy(key1_data->key1, authinfo->keychal, 3807 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3808 break; 3809 } 3810 case DVD_REPORT_TITLE_KEY: { 3811 struct scsi_report_key_data_title *title_data; 3812 3813 title_data = (struct scsi_report_key_data_title *)databuf; 3814 3815 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3816 RKD_TITLE_CPM_SHIFT; 3817 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3818 RKD_TITLE_CP_SEC_SHIFT; 3819 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3820 RKD_TITLE_CMGS_SHIFT; 3821 bcopy(title_data->title_key, authinfo->keychal, 3822 min(sizeof(title_data->title_key), 3823 sizeof(authinfo->keychal))); 3824 break; 3825 } 3826 case DVD_REPORT_ASF: { 3827 struct scsi_report_key_data_asf *asf_data; 3828 3829 asf_data = (struct scsi_report_key_data_asf *)databuf; 3830 3831 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3832 break; 3833 } 3834 case DVD_REPORT_RPC: { 3835 struct scsi_report_key_data_rpc *rpc_data; 3836 3837 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3838 3839 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3840 RKD_RPC_TYPE_SHIFT; 3841 authinfo->vend_rsts = 3842 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3843 RKD_RPC_VENDOR_RESET_SHIFT; 3844 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3845 authinfo->region = rpc_data->region_mask; 3846 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3847 break; 3848 } 3849 case DVD_INVALIDATE_AGID: 3850 break; 3851 default: 3852 /* This should be impossible, since we checked above */ 3853 error = EINVAL; 3854 goto bailout; 3855 break; /* NOTREACHED */ 3856 } 3857 bailout: 3858 if (databuf != NULL) 3859 free(databuf, M_DEVBUF); 3860 3861 xpt_release_ccb(ccb); 3862 3863 return(error); 3864 } 3865 3866 static int 3867 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3868 { 3869 union ccb *ccb; 3870 u_int8_t *databuf; 3871 int length; 3872 int error; 3873 3874 error = 0; 3875 databuf = NULL; 3876 3877 ccb = cdgetccb(periph, /* priority */ 1); 3878 3879 switch(authinfo->format) { 3880 case DVD_SEND_CHALLENGE: { 3881 struct scsi_report_key_data_challenge *challenge_data; 3882 3883 length = sizeof(*challenge_data); 3884 3885 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3886 3887 databuf = (u_int8_t *)challenge_data; 3888 3889 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3890 challenge_data->data_len); 3891 3892 bcopy(authinfo->keychal, challenge_data->challenge_key, 3893 min(sizeof(authinfo->keychal), 3894 sizeof(challenge_data->challenge_key))); 3895 break; 3896 } 3897 case DVD_SEND_KEY2: { 3898 struct scsi_report_key_data_key1_key2 *key2_data; 3899 3900 length = sizeof(*key2_data); 3901 3902 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3903 3904 databuf = (u_int8_t *)key2_data; 3905 3906 scsi_ulto2b(length - sizeof(key2_data->data_len), 3907 key2_data->data_len); 3908 3909 bcopy(authinfo->keychal, key2_data->key1, 3910 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3911 3912 break; 3913 } 3914 case DVD_SEND_RPC: { 3915 struct scsi_send_key_data_rpc *rpc_data; 3916 3917 length = sizeof(*rpc_data); 3918 3919 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3920 3921 databuf = (u_int8_t *)rpc_data; 3922 3923 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3924 rpc_data->data_len); 3925 3926 rpc_data->region_code = authinfo->region; 3927 break; 3928 } 3929 default: 3930 error = EINVAL; 3931 goto bailout; 3932 break; /* NOTREACHED */ 3933 } 3934 3935 scsi_send_key(&ccb->csio, 3936 /* retries */ 1, 3937 /* cbfcnp */ cddone, 3938 /* tag_action */ MSG_SIMPLE_Q_TAG, 3939 /* agid */ authinfo->agid, 3940 /* key_format */ authinfo->format, 3941 /* data_ptr */ databuf, 3942 /* dxfer_len */ length, 3943 /* sense_len */ SSD_FULL_SIZE, 3944 /* timeout */ 50000); 3945 3946 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3947 /*sense_flags*/SF_RETRY_UA); 3948 3949 bailout: 3950 3951 if (databuf != NULL) 3952 free(databuf, M_DEVBUF); 3953 3954 xpt_release_ccb(ccb); 3955 3956 return(error); 3957 } 3958 3959 static int 3960 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3961 { 3962 union ccb *ccb; 3963 u_int8_t *databuf; 3964 u_int32_t address; 3965 int error; 3966 int length; 3967 3968 error = 0; 3969 databuf = NULL; 3970 /* The address is reserved for many of the formats */ 3971 address = 0; 3972 3973 ccb = cdgetccb(periph, /* priority */ 1); 3974 3975 switch(dvdstruct->format) { 3976 case DVD_STRUCT_PHYSICAL: 3977 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3978 break; 3979 case DVD_STRUCT_COPYRIGHT: 3980 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3981 break; 3982 case DVD_STRUCT_DISCKEY: 3983 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3984 break; 3985 case DVD_STRUCT_BCA: 3986 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3987 break; 3988 case DVD_STRUCT_MANUFACT: 3989 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3990 break; 3991 case DVD_STRUCT_CMI: 3992 error = ENODEV; 3993 goto bailout; 3994 #ifdef notyet 3995 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3996 address = dvdstruct->address; 3997 #endif 3998 break; /* NOTREACHED */ 3999 case DVD_STRUCT_PROTDISCID: 4000 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4001 break; 4002 case DVD_STRUCT_DISCKEYBLOCK: 4003 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4004 break; 4005 case DVD_STRUCT_DDS: 4006 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4007 break; 4008 case DVD_STRUCT_MEDIUM_STAT: 4009 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4010 break; 4011 case DVD_STRUCT_SPARE_AREA: 4012 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4013 break; 4014 case DVD_STRUCT_RMD_LAST: 4015 error = ENODEV; 4016 goto bailout; 4017 #ifdef notyet 4018 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4019 address = dvdstruct->address; 4020 #endif 4021 break; /* NOTREACHED */ 4022 case DVD_STRUCT_RMD_RMA: 4023 error = ENODEV; 4024 goto bailout; 4025 #ifdef notyet 4026 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4027 address = dvdstruct->address; 4028 #endif 4029 break; /* NOTREACHED */ 4030 case DVD_STRUCT_PRERECORDED: 4031 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4032 break; 4033 case DVD_STRUCT_UNIQUEID: 4034 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4035 break; 4036 case DVD_STRUCT_DCB: 4037 error = ENODEV; 4038 goto bailout; 4039 #ifdef notyet 4040 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4041 address = dvdstruct->address; 4042 #endif 4043 break; /* NOTREACHED */ 4044 case DVD_STRUCT_LIST: 4045 /* 4046 * This is the maximum allocation length for the READ DVD 4047 * STRUCTURE command. There's nothing in the MMC3 spec 4048 * that indicates a limit in the amount of data that can 4049 * be returned from this call, other than the limits 4050 * imposed by the 2-byte length variables. 4051 */ 4052 length = 65535; 4053 break; 4054 default: 4055 error = EINVAL; 4056 goto bailout; 4057 break; /* NOTREACHED */ 4058 } 4059 4060 if (length != 0) { 4061 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4062 } else 4063 databuf = NULL; 4064 4065 scsi_read_dvd_structure(&ccb->csio, 4066 /* retries */ 1, 4067 /* cbfcnp */ cddone, 4068 /* tag_action */ MSG_SIMPLE_Q_TAG, 4069 /* lba */ address, 4070 /* layer_number */ dvdstruct->layer_num, 4071 /* key_format */ dvdstruct->format, 4072 /* agid */ dvdstruct->agid, 4073 /* data_ptr */ databuf, 4074 /* dxfer_len */ length, 4075 /* sense_len */ SSD_FULL_SIZE, 4076 /* timeout */ 50000); 4077 4078 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4079 /*sense_flags*/SF_RETRY_UA); 4080 4081 if (error != 0) 4082 goto bailout; 4083 4084 switch(dvdstruct->format) { 4085 case DVD_STRUCT_PHYSICAL: { 4086 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4087 struct dvd_layer *outlayer; 4088 struct scsi_read_dvd_struct_data_physical *phys_data; 4089 4090 phys_data = 4091 (struct scsi_read_dvd_struct_data_physical *)databuf; 4092 inlayer = &phys_data->layer_desc; 4093 outlayer = (struct dvd_layer *)&dvdstruct->data; 4094 4095 dvdstruct->length = sizeof(*inlayer); 4096 4097 outlayer->book_type = (inlayer->book_type_version & 4098 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4099 outlayer->book_version = (inlayer->book_type_version & 4100 RDSD_BOOK_VERSION_MASK); 4101 outlayer->disc_size = (inlayer->disc_size_max_rate & 4102 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4103 outlayer->max_rate = (inlayer->disc_size_max_rate & 4104 RDSD_MAX_RATE_MASK); 4105 outlayer->nlayers = (inlayer->layer_info & 4106 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4107 outlayer->track_path = (inlayer->layer_info & 4108 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4109 outlayer->layer_type = (inlayer->layer_info & 4110 RDSD_LAYER_TYPE_MASK); 4111 outlayer->linear_density = (inlayer->density & 4112 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4113 outlayer->track_density = (inlayer->density & 4114 RDSD_TRACK_DENSITY_MASK); 4115 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4116 RDSD_BCA_SHIFT; 4117 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4118 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4119 outlayer->end_sector_l0 = 4120 scsi_3btoul(inlayer->end_sector_layer0); 4121 break; 4122 } 4123 case DVD_STRUCT_COPYRIGHT: { 4124 struct scsi_read_dvd_struct_data_copyright *copy_data; 4125 4126 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4127 databuf; 4128 4129 dvdstruct->cpst = copy_data->cps_type; 4130 dvdstruct->rmi = copy_data->region_info; 4131 dvdstruct->length = 0; 4132 4133 break; 4134 } 4135 default: 4136 /* 4137 * Tell the user what the overall length is, no matter 4138 * what we can actually fit in the data buffer. 4139 */ 4140 dvdstruct->length = length - ccb->csio.resid - 4141 sizeof(struct scsi_read_dvd_struct_data_header); 4142 4143 /* 4144 * But only actually copy out the smaller of what we read 4145 * in or what the structure can take. 4146 */ 4147 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4148 dvdstruct->data, 4149 min(sizeof(dvdstruct->data), dvdstruct->length)); 4150 break; 4151 } 4152 bailout: 4153 4154 if (databuf != NULL) 4155 free(databuf, M_DEVBUF); 4156 4157 xpt_release_ccb(ccb); 4158 4159 return(error); 4160 } 4161 4162 void 4163 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4164 void (*cbfcnp)(struct cam_periph *, union ccb *), 4165 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4166 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4167 u_int8_t sense_len, u_int32_t timeout) 4168 { 4169 struct scsi_report_key *scsi_cmd; 4170 4171 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4172 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4173 scsi_cmd->opcode = REPORT_KEY; 4174 scsi_ulto4b(lba, scsi_cmd->lba); 4175 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4176 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4177 (key_format & RK_KF_KEYFORMAT_MASK); 4178 4179 cam_fill_csio(csio, 4180 retries, 4181 cbfcnp, 4182 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4183 tag_action, 4184 /*data_ptr*/ data_ptr, 4185 /*dxfer_len*/ dxfer_len, 4186 sense_len, 4187 sizeof(*scsi_cmd), 4188 timeout); 4189 } 4190 4191 void 4192 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4193 void (*cbfcnp)(struct cam_periph *, union ccb *), 4194 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4195 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4196 u_int32_t timeout) 4197 { 4198 struct scsi_send_key *scsi_cmd; 4199 4200 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4201 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4202 scsi_cmd->opcode = SEND_KEY; 4203 4204 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4205 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4206 (key_format & RK_KF_KEYFORMAT_MASK); 4207 4208 cam_fill_csio(csio, 4209 retries, 4210 cbfcnp, 4211 /*flags*/ CAM_DIR_OUT, 4212 tag_action, 4213 /*data_ptr*/ data_ptr, 4214 /*dxfer_len*/ dxfer_len, 4215 sense_len, 4216 sizeof(*scsi_cmd), 4217 timeout); 4218 } 4219 4220 4221 void 4222 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4223 void (*cbfcnp)(struct cam_periph *, union ccb *), 4224 u_int8_t tag_action, u_int32_t address, 4225 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4226 u_int8_t *data_ptr, u_int32_t dxfer_len, 4227 u_int8_t sense_len, u_int32_t timeout) 4228 { 4229 struct scsi_read_dvd_structure *scsi_cmd; 4230 4231 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4232 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4233 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4234 4235 scsi_ulto4b(address, scsi_cmd->address); 4236 scsi_cmd->layer_number = layer_number; 4237 scsi_cmd->format = format; 4238 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4239 /* The AGID is the top two bits of this byte */ 4240 scsi_cmd->agid = agid << 6; 4241 4242 cam_fill_csio(csio, 4243 retries, 4244 cbfcnp, 4245 /*flags*/ CAM_DIR_IN, 4246 tag_action, 4247 /*data_ptr*/ data_ptr, 4248 /*dxfer_len*/ dxfer_len, 4249 sense_len, 4250 sizeof(*scsi_cmd), 4251 timeout); 4252 } 4253