scsi_cd.c revision 104456
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001 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 * $FreeBSD: head/sys/cam/scsi/scsi_cd.c 104456 2002-10-04 13:33:30Z phk $ 28 */ 29/* 30 * Portions of this driver taken from the original FreeBSD cd driver. 31 * Written by Julian Elischer (julian@tfs.com) 32 * for TRW Financial Systems for use under the MACH(2.5) operating system. 33 * 34 * TRW Financial Systems, in accordance with their agreement with Carnegie 35 * Mellon University, makes this software available to CMU to distribute 36 * or use in any manner that they see fit as long as this message is kept with 37 * the software. For this reason TFS also grants any other persons or 38 * organisations permission to use or modify this software. 39 * 40 * TFS supplies this software to be publicly redistributed 41 * on the understanding that TFS is not responsible for the correct 42 * functioning of this software in any circumstances. 43 * 44 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 45 * 46 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 47 */ 48 49#include "opt_cd.h" 50 51#include <sys/param.h> 52#include <sys/systm.h> 53#include <sys/kernel.h> 54#include <sys/bio.h> 55#include <sys/conf.h> 56#include <sys/disk.h> 57#include <sys/malloc.h> 58#include <sys/cdio.h> 59#include <sys/dvdio.h> 60#include <sys/devicestat.h> 61#include <sys/sysctl.h> 62 63#include <cam/cam.h> 64#include <cam/cam_ccb.h> 65#include <cam/cam_periph.h> 66#include <cam/cam_xpt_periph.h> 67#include <cam/cam_queue.h> 68 69#include <cam/scsi/scsi_message.h> 70#include <cam/scsi/scsi_da.h> 71#include <cam/scsi/scsi_cd.h> 72 73#define LEADOUT 0xaa /* leadout toc entry */ 74 75struct cd_params { 76 u_int32_t blksize; 77 u_long disksize; 78}; 79 80typedef enum { 81 CD_Q_NONE = 0x00, 82 CD_Q_NO_TOUCH = 0x01, 83 CD_Q_BCD_TRACKS = 0x02, 84 CD_Q_NO_CHANGER = 0x04, 85 CD_Q_CHANGER = 0x08 86} cd_quirks; 87 88typedef enum { 89 CD_FLAG_INVALID = 0x001, 90 CD_FLAG_NEW_DISC = 0x002, 91 CD_FLAG_DISC_LOCKED = 0x004, 92 CD_FLAG_DISC_REMOVABLE = 0x008, 93 CD_FLAG_TAGGED_QUEUING = 0x010, 94 CD_FLAG_CHANGER = 0x040, 95 CD_FLAG_ACTIVE = 0x080, 96 CD_FLAG_SCHED_ON_COMP = 0x100, 97 CD_FLAG_RETRY_UA = 0x200 98} cd_flags; 99 100typedef enum { 101 CD_CCB_PROBE = 0x01, 102 CD_CCB_BUFFER_IO = 0x02, 103 CD_CCB_WAITING = 0x03, 104 CD_CCB_TYPE_MASK = 0x0F, 105 CD_CCB_RETRY_UA = 0x10 106} cd_ccb_state; 107 108typedef enum { 109 CHANGER_TIMEOUT_SCHED = 0x01, 110 CHANGER_SHORT_TMOUT_SCHED = 0x02, 111 CHANGER_MANUAL_CALL = 0x04, 112 CHANGER_NEED_TIMEOUT = 0x08 113} cd_changer_flags; 114 115#define ccb_state ppriv_field0 116#define ccb_bp ppriv_ptr1 117 118typedef enum { 119 CD_STATE_PROBE, 120 CD_STATE_NORMAL 121} cd_state; 122 123struct cd_softc { 124 cam_pinfo pinfo; 125 cd_state state; 126 volatile cd_flags flags; 127 struct bio_queue_head bio_queue; 128 LIST_HEAD(, ccb_hdr) pending_ccbs; 129 struct cd_params params; 130 union ccb saved_ccb; 131 cd_quirks quirks; 132 struct devstat device_stats; 133 STAILQ_ENTRY(cd_softc) changer_links; 134 struct cdchanger *changer; 135 int bufs_left; 136 struct cam_periph *periph; 137 dev_t dev; 138}; 139 140struct cd_quirk_entry { 141 struct scsi_inquiry_pattern inq_pat; 142 cd_quirks quirks; 143}; 144 145/* 146 * These quirk entries aren't strictly necessary. Basically, what they do 147 * is tell cdregister() up front that a device is a changer. Otherwise, it 148 * will figure that fact out once it sees a LUN on the device that is 149 * greater than 0. If it is known up front that a device is a changer, all 150 * I/O to the device will go through the changer scheduling routines, as 151 * opposed to the "normal" CD code. 152 */ 153static struct cd_quirk_entry cd_quirk_table[] = 154{ 155 { 156 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 157 /*quirks*/ CD_Q_CHANGER 158 }, 159 { 160 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 161 "*"}, /* quirks */ CD_Q_CHANGER 162 }, 163 { 164 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 165 /* quirks */ CD_Q_CHANGER 166 }, 167 { 168 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 169 /* quirks */ CD_Q_BCD_TRACKS 170 } 171}; 172 173#ifndef MIN 174#define MIN(x,y) ((x<y) ? x : y) 175#endif 176 177#define CD_CDEV_MAJOR 15 178 179static d_open_t cdopen; 180static d_close_t cdclose; 181static d_ioctl_t cdioctl; 182static d_strategy_t cdstrategy; 183 184static periph_init_t cdinit; 185static periph_ctor_t cdregister; 186static periph_dtor_t cdcleanup; 187static periph_start_t cdstart; 188static periph_oninv_t cdoninvalidate; 189static void cdasync(void *callback_arg, u_int32_t code, 190 struct cam_path *path, void *arg); 191static void cdshorttimeout(void *arg); 192static void cdschedule(struct cam_periph *periph, int priority); 193static void cdrunchangerqueue(void *arg); 194static void cdchangerschedule(struct cd_softc *softc); 195static int cdrunccb(union ccb *ccb, 196 int (*error_routine)(union ccb *ccb, 197 u_int32_t cam_flags, 198 u_int32_t sense_flags), 199 u_int32_t cam_flags, u_int32_t sense_flags); 200static union ccb *cdgetccb(struct cam_periph *periph, 201 u_int32_t priority); 202static void cddone(struct cam_periph *periph, 203 union ccb *start_ccb); 204static int cderror(union ccb *ccb, u_int32_t cam_flags, 205 u_int32_t sense_flags); 206static void cdprevent(struct cam_periph *periph, int action); 207static int cdsize(dev_t dev, u_int32_t *size); 208static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 209 u_int32_t start, struct cd_toc_entry *data, 210 u_int32_t len); 211static int cdgetmode(struct cam_periph *periph, 212 struct cd_mode_data *data, u_int32_t page); 213static int cdsetmode(struct cam_periph *periph, 214 struct cd_mode_data *data); 215static int cdplay(struct cam_periph *periph, u_int32_t blk, 216 u_int32_t len); 217static int cdreadsubchannel(struct cam_periph *periph, 218 u_int32_t mode, u_int32_t format, 219 int track, 220 struct cd_sub_channel_info *data, 221 u_int32_t len); 222static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 223 u_int32_t starts, u_int32_t startf, 224 u_int32_t endm, u_int32_t ends, 225 u_int32_t endf); 226static int cdplaytracks(struct cam_periph *periph, 227 u_int32_t strack, u_int32_t sindex, 228 u_int32_t etrack, u_int32_t eindex); 229static int cdpause(struct cam_periph *periph, u_int32_t go); 230static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 231static int cdstartunit(struct cam_periph *periph); 232static int cdreportkey(struct cam_periph *periph, 233 struct dvd_authinfo *authinfo); 234static int cdsendkey(struct cam_periph *periph, 235 struct dvd_authinfo *authinfo); 236static int cdreaddvdstructure(struct cam_periph *periph, 237 struct dvd_struct *dvdstruct); 238 239static struct periph_driver cddriver = 240{ 241 cdinit, "cd", 242 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 243}; 244 245PERIPHDRIVER_DECLARE(cd, cddriver); 246 247static struct cdevsw cd_cdevsw = { 248 /* open */ cdopen, 249 /* close */ cdclose, 250 /* read */ physread, 251 /* write */ physwrite, 252 /* ioctl */ cdioctl, 253 /* poll */ nopoll, 254 /* mmap */ nommap, 255 /* strategy */ cdstrategy, 256 /* name */ "cd", 257 /* maj */ CD_CDEV_MAJOR, 258 /* dump */ nodump, 259 /* psize */ nopsize, 260 /* flags */ D_DISK, 261}; 262 263static int num_changers; 264 265#ifndef CHANGER_MIN_BUSY_SECONDS 266#define CHANGER_MIN_BUSY_SECONDS 5 267#endif 268#ifndef CHANGER_MAX_BUSY_SECONDS 269#define CHANGER_MAX_BUSY_SECONDS 15 270#endif 271 272static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 273static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 274 275SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 276SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 277SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 278 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 279SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 280 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 281 282struct cdchanger { 283 path_id_t path_id; 284 target_id_t target_id; 285 int num_devices; 286 struct camq devq; 287 struct timeval start_time; 288 struct cd_softc *cur_device; 289 struct callout_handle short_handle; 290 struct callout_handle long_handle; 291 volatile cd_changer_flags flags; 292 STAILQ_ENTRY(cdchanger) changer_links; 293 STAILQ_HEAD(chdevlist, cd_softc) chluns; 294}; 295 296static STAILQ_HEAD(changerlist, cdchanger) changerq; 297 298static void 299cdinit(void) 300{ 301 cam_status status; 302 struct cam_path *path; 303 304 /* 305 * Install a global async callback. This callback will 306 * receive async callbacks like "new device found". 307 */ 308 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 309 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 310 311 if (status == CAM_REQ_CMP) { 312 struct ccb_setasync csa; 313 314 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 315 csa.ccb_h.func_code = XPT_SASYNC_CB; 316 csa.event_enable = AC_FOUND_DEVICE; 317 csa.callback = cdasync; 318 csa.callback_arg = NULL; 319 xpt_action((union ccb *)&csa); 320 status = csa.ccb_h.status; 321 xpt_free_path(path); 322 } 323 324 if (status != CAM_REQ_CMP) { 325 printf("cd: Failed to attach master async callback " 326 "due to status 0x%x!\n", status); 327 } 328} 329 330static void 331cdoninvalidate(struct cam_periph *periph) 332{ 333 int s; 334 struct cd_softc *softc; 335 struct bio *q_bp; 336 struct ccb_setasync csa; 337 338 softc = (struct cd_softc *)periph->softc; 339 340 /* 341 * De-register any async callbacks. 342 */ 343 xpt_setup_ccb(&csa.ccb_h, periph->path, 344 /* priority */ 5); 345 csa.ccb_h.func_code = XPT_SASYNC_CB; 346 csa.event_enable = 0; 347 csa.callback = cdasync; 348 csa.callback_arg = periph; 349 xpt_action((union ccb *)&csa); 350 351 softc->flags |= CD_FLAG_INVALID; 352 353 /* 354 * Although the oninvalidate() routines are always called at 355 * splsoftcam, we need to be at splbio() here to keep the buffer 356 * queue from being modified while we traverse it. 357 */ 358 s = splbio(); 359 360 /* 361 * Return all queued I/O with ENXIO. 362 * XXX Handle any transactions queued to the card 363 * with XPT_ABORT_CCB. 364 */ 365 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 366 bioq_remove(&softc->bio_queue, q_bp); 367 q_bp->bio_resid = q_bp->bio_bcount; 368 biofinish(q_bp, NULL, ENXIO); 369 } 370 splx(s); 371 372 /* 373 * If this device is part of a changer, and it was scheduled 374 * to run, remove it from the run queue since we just nuked 375 * all of its scheduled I/O. 376 */ 377 if ((softc->flags & CD_FLAG_CHANGER) 378 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 379 camq_remove(&softc->changer->devq, softc->pinfo.index); 380 381 xpt_print_path(periph->path); 382 printf("lost device\n"); 383} 384 385static void 386cdcleanup(struct cam_periph *periph) 387{ 388 struct cd_softc *softc; 389 int s; 390 391 softc = (struct cd_softc *)periph->softc; 392 393 xpt_print_path(periph->path); 394 printf("removing device entry\n"); 395 396 s = splsoftcam(); 397 /* 398 * In the queued, non-active case, the device in question 399 * has already been removed from the changer run queue. Since this 400 * device is active, we need to de-activate it, and schedule 401 * another device to run. (if there is another one to run) 402 */ 403 if ((softc->flags & CD_FLAG_CHANGER) 404 && (softc->flags & CD_FLAG_ACTIVE)) { 405 406 /* 407 * The purpose of the short timeout is soley to determine 408 * whether the current device has finished or not. Well, 409 * since we're removing the active device, we know that it 410 * is finished. So, get rid of the short timeout. 411 * Otherwise, if we're in the time period before the short 412 * timeout fires, and there are no other devices in the 413 * queue to run, there won't be any other device put in the 414 * active slot. i.e., when we call cdrunchangerqueue() 415 * below, it won't do anything. Then, when the short 416 * timeout fires, it'll look at the "current device", which 417 * we are free below, and possibly panic the kernel on a 418 * bogus pointer reference. 419 * 420 * The long timeout doesn't really matter, since we 421 * decrement the qfrozen_cnt to indicate that there is 422 * nothing in the active slot now. Therefore, there won't 423 * be any bogus pointer references there. 424 */ 425 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 426 untimeout(cdshorttimeout, softc->changer, 427 softc->changer->short_handle); 428 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 429 } 430 softc->changer->devq.qfrozen_cnt--; 431 softc->changer->flags |= CHANGER_MANUAL_CALL; 432 cdrunchangerqueue(softc->changer); 433 } 434 435 /* 436 * If we're removing the last device on the changer, go ahead and 437 * remove the changer device structure. 438 */ 439 if ((softc->flags & CD_FLAG_CHANGER) 440 && (--softc->changer->num_devices == 0)) { 441 442 /* 443 * Theoretically, there shouldn't be any timeouts left, but 444 * I'm not completely sure that that will be the case. So, 445 * it won't hurt to check and see if there are any left. 446 */ 447 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 448 untimeout(cdrunchangerqueue, softc->changer, 449 softc->changer->long_handle); 450 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 451 } 452 453 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 454 untimeout(cdshorttimeout, softc->changer, 455 softc->changer->short_handle); 456 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 457 } 458 459 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 460 changer_links); 461 xpt_print_path(periph->path); 462 printf("removing changer entry\n"); 463 free(softc->changer, M_DEVBUF); 464 num_changers--; 465 } 466 devstat_remove_entry(&softc->device_stats); 467 destroy_dev(softc->dev); 468 free(softc, M_DEVBUF); 469 splx(s); 470} 471 472static void 473cdasync(void *callback_arg, u_int32_t code, 474 struct cam_path *path, void *arg) 475{ 476 struct cam_periph *periph; 477 478 periph = (struct cam_periph *)callback_arg; 479 switch (code) { 480 case AC_FOUND_DEVICE: 481 { 482 struct ccb_getdev *cgd; 483 cam_status status; 484 485 cgd = (struct ccb_getdev *)arg; 486 if (cgd == NULL) 487 break; 488 489 if (SID_TYPE(&cgd->inq_data) != T_CDROM 490 && SID_TYPE(&cgd->inq_data) != T_WORM) 491 break; 492 493 /* 494 * Allocate a peripheral instance for 495 * this device and start the probe 496 * process. 497 */ 498 status = cam_periph_alloc(cdregister, cdoninvalidate, 499 cdcleanup, cdstart, 500 "cd", CAM_PERIPH_BIO, 501 cgd->ccb_h.path, cdasync, 502 AC_FOUND_DEVICE, cgd); 503 504 if (status != CAM_REQ_CMP 505 && status != CAM_REQ_INPROG) 506 printf("cdasync: Unable to attach new device " 507 "due to status 0x%x\n", status); 508 509 break; 510 } 511 case AC_SENT_BDR: 512 case AC_BUS_RESET: 513 { 514 struct cd_softc *softc; 515 struct ccb_hdr *ccbh; 516 int s; 517 518 softc = (struct cd_softc *)periph->softc; 519 s = splsoftcam(); 520 /* 521 * Don't fail on the expected unit attention 522 * that will occur. 523 */ 524 softc->flags |= CD_FLAG_RETRY_UA; 525 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 526 ccbh->ccb_state |= CD_CCB_RETRY_UA; 527 splx(s); 528 /* FALLTHROUGH */ 529 } 530 default: 531 cam_periph_async(periph, code, path, arg); 532 break; 533 } 534} 535 536static cam_status 537cdregister(struct cam_periph *periph, void *arg) 538{ 539 struct cd_softc *softc; 540 struct ccb_setasync csa; 541 struct ccb_getdev *cgd; 542 caddr_t match; 543 544 cgd = (struct ccb_getdev *)arg; 545 if (periph == NULL) { 546 printf("cdregister: periph was NULL!!\n"); 547 return(CAM_REQ_CMP_ERR); 548 } 549 if (cgd == NULL) { 550 printf("cdregister: no getdev CCB, can't register device\n"); 551 return(CAM_REQ_CMP_ERR); 552 } 553 554 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 555 556 if (softc == NULL) { 557 printf("cdregister: Unable to probe new device. " 558 "Unable to allocate softc\n"); 559 return(CAM_REQ_CMP_ERR); 560 } 561 562 bzero(softc, sizeof(*softc)); 563 LIST_INIT(&softc->pending_ccbs); 564 softc->state = CD_STATE_PROBE; 565 bioq_init(&softc->bio_queue); 566 if (SID_IS_REMOVABLE(&cgd->inq_data)) 567 softc->flags |= CD_FLAG_DISC_REMOVABLE; 568 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 569 softc->flags |= CD_FLAG_TAGGED_QUEUING; 570 571 periph->softc = softc; 572 softc->periph = periph; 573 574 /* 575 * See if this device has any quirks. 576 */ 577 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 578 (caddr_t)cd_quirk_table, 579 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 580 sizeof(*cd_quirk_table), scsi_inquiry_match); 581 582 if (match != NULL) 583 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 584 else 585 softc->quirks = CD_Q_NONE; 586 587 /* 588 * We need to register the statistics structure for this device, 589 * but we don't have the blocksize yet for it. So, we register 590 * the structure and indicate that we don't have the blocksize 591 * yet. Unlike other SCSI peripheral drivers, we explicitly set 592 * the device type here to be CDROM, rather than just ORing in 593 * the device type. This is because this driver can attach to either 594 * CDROM or WORM devices, and we want this peripheral driver to 595 * show up in the devstat list as a CD peripheral driver, not a 596 * WORM peripheral driver. WORM drives will also have the WORM 597 * driver attached to them. 598 */ 599 devstat_add_entry(&softc->device_stats, "cd", 600 periph->unit_number, 0, 601 DEVSTAT_BS_UNAVAILABLE, 602 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 603 DEVSTAT_PRIORITY_CD); 604 softc->dev = make_dev(&cd_cdevsw, periph->unit_number, 605 UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number); 606 softc->dev->si_drv1 = periph; 607 608 /* 609 * Add an async callback so that we get 610 * notified if this device goes away. 611 */ 612 xpt_setup_ccb(&csa.ccb_h, periph->path, 613 /* priority */ 5); 614 csa.ccb_h.func_code = XPT_SASYNC_CB; 615 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 616 csa.callback = cdasync; 617 csa.callback_arg = periph; 618 xpt_action((union ccb *)&csa); 619 620 /* 621 * If the target lun is greater than 0, we most likely have a CD 622 * changer device. Check the quirk entries as well, though, just 623 * in case someone has a CD tower with one lun per drive or 624 * something like that. Also, if we know up front that a 625 * particular device is a changer, we can mark it as such starting 626 * with lun 0, instead of lun 1. It shouldn't be necessary to have 627 * a quirk entry to define something as a changer, however. 628 */ 629 if (((cgd->ccb_h.target_lun > 0) 630 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 631 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 632 struct cdchanger *nchanger; 633 struct cam_periph *nperiph; 634 struct cam_path *path; 635 cam_status status; 636 int found; 637 638 /* Set the changer flag in the current device's softc */ 639 softc->flags |= CD_FLAG_CHANGER; 640 641 if (num_changers == 0) 642 STAILQ_INIT(&changerq); 643 644 /* 645 * Now, look around for an existing changer device with the 646 * same path and target ID as the current device. 647 */ 648 for (found = 0, 649 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 650 nchanger != NULL; 651 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 652 if ((nchanger->path_id == cgd->ccb_h.path_id) 653 && (nchanger->target_id == cgd->ccb_h.target_id)) { 654 found = 1; 655 break; 656 } 657 } 658 659 /* 660 * If we found a matching entry, just add this device to 661 * the list of devices on this changer. 662 */ 663 if (found == 1) { 664 struct chdevlist *chlunhead; 665 666 chlunhead = &nchanger->chluns; 667 668 /* 669 * XXX KDM look at consolidating this code with the 670 * code below in a separate function. 671 */ 672 673 /* 674 * Create a path with lun id 0, and see if we can 675 * find a matching device 676 */ 677 status = xpt_create_path(&path, /*periph*/ periph, 678 cgd->ccb_h.path_id, 679 cgd->ccb_h.target_id, 0); 680 681 if ((status == CAM_REQ_CMP) 682 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 683 struct cd_softc *nsoftc; 684 685 nsoftc = (struct cd_softc *)nperiph->softc; 686 687 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 688 nsoftc->flags |= CD_FLAG_CHANGER; 689 nchanger->num_devices++; 690 if (camq_resize(&nchanger->devq, 691 nchanger->num_devices)!=CAM_REQ_CMP){ 692 printf("cdregister: " 693 "camq_resize " 694 "failed, changer " 695 "support may " 696 "be messed up\n"); 697 } 698 nsoftc->changer = nchanger; 699 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 700 701 STAILQ_INSERT_TAIL(&nchanger->chluns, 702 nsoftc,changer_links); 703 } 704 xpt_free_path(path); 705 } else if (status == CAM_REQ_CMP) 706 xpt_free_path(path); 707 else { 708 printf("cdregister: unable to allocate path\n" 709 "cdregister: changer support may be " 710 "broken\n"); 711 } 712 713 nchanger->num_devices++; 714 715 softc->changer = nchanger; 716 softc->pinfo.index = CAM_UNQUEUED_INDEX; 717 718 if (camq_resize(&nchanger->devq, 719 nchanger->num_devices) != CAM_REQ_CMP) { 720 printf("cdregister: camq_resize " 721 "failed, changer support may " 722 "be messed up\n"); 723 } 724 725 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 726 } 727 /* 728 * In this case, we don't already have an entry for this 729 * particular changer, so we need to create one, add it to 730 * the queue, and queue this device on the list for this 731 * changer. Before we queue this device, however, we need 732 * to search for lun id 0 on this target, and add it to the 733 * queue first, if it exists. (and if it hasn't already 734 * been marked as part of the changer.) 735 */ 736 else { 737 nchanger = malloc(sizeof(struct cdchanger), 738 M_DEVBUF, M_NOWAIT); 739 740 if (nchanger == NULL) { 741 softc->flags &= ~CD_FLAG_CHANGER; 742 printf("cdregister: unable to malloc " 743 "changer structure\ncdregister: " 744 "changer support disabled\n"); 745 746 /* 747 * Yes, gotos can be gross but in this case 748 * I think it's justified.. 749 */ 750 goto cdregisterexit; 751 } 752 753 /* zero the structure */ 754 bzero(nchanger, sizeof(struct cdchanger)); 755 756 if (camq_init(&nchanger->devq, 1) != 0) { 757 softc->flags &= ~CD_FLAG_CHANGER; 758 printf("cdregister: changer support " 759 "disabled\n"); 760 goto cdregisterexit; 761 } 762 763 num_changers++; 764 765 nchanger->path_id = cgd->ccb_h.path_id; 766 nchanger->target_id = cgd->ccb_h.target_id; 767 768 /* this is superfluous, but it makes things clearer */ 769 nchanger->num_devices = 0; 770 771 STAILQ_INIT(&nchanger->chluns); 772 773 STAILQ_INSERT_TAIL(&changerq, nchanger, 774 changer_links); 775 776 /* 777 * Create a path with lun id 0, and see if we can 778 * find a matching device 779 */ 780 status = xpt_create_path(&path, /*periph*/ periph, 781 cgd->ccb_h.path_id, 782 cgd->ccb_h.target_id, 0); 783 784 /* 785 * If we were able to allocate the path, and if we 786 * find a matching device and it isn't already 787 * marked as part of a changer, then we add it to 788 * the current changer. 789 */ 790 if ((status == CAM_REQ_CMP) 791 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 792 && ((((struct cd_softc *)periph->softc)->flags & 793 CD_FLAG_CHANGER) == 0)) { 794 struct cd_softc *nsoftc; 795 796 nsoftc = (struct cd_softc *)nperiph->softc; 797 798 nsoftc->flags |= CD_FLAG_CHANGER; 799 nchanger->num_devices++; 800 if (camq_resize(&nchanger->devq, 801 nchanger->num_devices) != CAM_REQ_CMP) { 802 printf("cdregister: camq_resize " 803 "failed, changer support may " 804 "be messed up\n"); 805 } 806 nsoftc->changer = nchanger; 807 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 808 809 STAILQ_INSERT_TAIL(&nchanger->chluns, 810 nsoftc, changer_links); 811 xpt_free_path(path); 812 } else if (status == CAM_REQ_CMP) 813 xpt_free_path(path); 814 else { 815 printf("cdregister: unable to allocate path\n" 816 "cdregister: changer support may be " 817 "broken\n"); 818 } 819 820 softc->changer = nchanger; 821 softc->pinfo.index = CAM_UNQUEUED_INDEX; 822 nchanger->num_devices++; 823 if (camq_resize(&nchanger->devq, 824 nchanger->num_devices) != CAM_REQ_CMP) { 825 printf("cdregister: camq_resize " 826 "failed, changer support may " 827 "be messed up\n"); 828 } 829 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 830 changer_links); 831 } 832 } 833 834cdregisterexit: 835 836 /* Lock this peripheral until we are setup */ 837 /* Can't block */ 838 cam_periph_lock(periph, PRIBIO); 839 840 if ((softc->flags & CD_FLAG_CHANGER) == 0) 841 xpt_schedule(periph, /*priority*/5); 842 else 843 cdschedule(periph, /*priority*/ 5); 844 845 return(CAM_REQ_CMP); 846} 847 848static int 849cdopen(dev_t dev, int flags, int fmt, struct thread *td) 850{ 851 struct cam_periph *periph; 852 struct cd_softc *softc; 853 u_int32_t size; 854 int error; 855 int s; 856 857 periph = (struct cam_periph *)dev->si_drv1; 858 if (periph == NULL) 859 return (ENXIO); 860 861 softc = (struct cd_softc *)periph->softc; 862 863 /* 864 * Grab splsoftcam and hold it until we lock the peripheral. 865 */ 866 s = splsoftcam(); 867 if (softc->flags & CD_FLAG_INVALID) { 868 splx(s); 869 return(ENXIO); 870 } 871 872 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 873 splx(s); 874 return (error); 875 } 876 877 splx(s); 878 879 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 880 return(ENXIO); 881 882 cdprevent(periph, PR_PREVENT); 883 884 /* find out the size */ 885 if ((error = cdsize(dev, &size)) != 0) { 886 cdprevent(periph, PR_ALLOW); 887 cam_periph_unlock(periph); 888 cam_periph_release(periph); 889 return(error); 890 } 891 892 /* 893 * We unconditionally (re)set the blocksize each time the 894 * CD device is opened. This is because the CD can change, 895 * and therefore the blocksize might change. 896 * XXX problems here if some slice or partition is still 897 * open with the old size? 898 */ 899 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 900 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 901 softc->device_stats.block_size = softc->params.blksize; 902 903 cam_periph_unlock(periph); 904 905 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 906 907 return (error); 908} 909 910static int 911cdclose(dev_t dev, int flag, int fmt, struct thread *td) 912{ 913 struct cam_periph *periph; 914 struct cd_softc *softc; 915 int error; 916 917 periph = (struct cam_periph *)dev->si_drv1; 918 if (periph == NULL) 919 return (ENXIO); 920 921 softc = (struct cd_softc *)periph->softc; 922 923 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 924 return (error); 925 926 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 927 cdprevent(periph, PR_ALLOW); 928 929 /* 930 * Since we're closing this CD, mark the blocksize as unavailable. 931 * It will be marked as available whence the CD is opened again. 932 */ 933 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 934 935 cam_periph_unlock(periph); 936 cam_periph_release(periph); 937 938 return (0); 939} 940 941static void 942cdshorttimeout(void *arg) 943{ 944 struct cdchanger *changer; 945 int s; 946 947 s = splsoftcam(); 948 949 changer = (struct cdchanger *)arg; 950 951 /* Always clear the short timeout flag, since that's what we're in */ 952 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 953 954 /* 955 * Check to see if there is any more pending or outstanding I/O for 956 * this device. If not, move it out of the active slot. 957 */ 958 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 959 && (changer->cur_device->device_stats.busy_count == 0)) { 960 changer->flags |= CHANGER_MANUAL_CALL; 961 cdrunchangerqueue(changer); 962 } 963 964 splx(s); 965} 966 967/* 968 * This is a wrapper for xpt_schedule. It only applies to changers. 969 */ 970static void 971cdschedule(struct cam_periph *periph, int priority) 972{ 973 struct cd_softc *softc; 974 int s; 975 976 s = splsoftcam(); 977 978 softc = (struct cd_softc *)periph->softc; 979 980 /* 981 * If this device isn't currently queued, and if it isn't 982 * the active device, then we queue this device and run the 983 * changer queue if there is no timeout scheduled to do it. 984 * If this device is the active device, just schedule it 985 * to run again. If this device is queued, there should be 986 * a timeout in place already that will make sure it runs. 987 */ 988 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 989 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 990 /* 991 * We don't do anything with the priority here. 992 * This is strictly a fifo queue. 993 */ 994 softc->pinfo.priority = 1; 995 softc->pinfo.generation = ++softc->changer->devq.generation; 996 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 997 998 /* 999 * Since we just put a device in the changer queue, 1000 * check and see if there is a timeout scheduled for 1001 * this changer. If so, let the timeout handle 1002 * switching this device into the active slot. If 1003 * not, manually call the timeout routine to 1004 * bootstrap things. 1005 */ 1006 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1007 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1008 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1009 softc->changer->flags |= CHANGER_MANUAL_CALL; 1010 cdrunchangerqueue(softc->changer); 1011 } 1012 } else if ((softc->flags & CD_FLAG_ACTIVE) 1013 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1014 xpt_schedule(periph, priority); 1015 1016 splx(s); 1017 1018} 1019 1020static void 1021cdrunchangerqueue(void *arg) 1022{ 1023 struct cd_softc *softc; 1024 struct cdchanger *changer; 1025 int called_from_timeout; 1026 int s; 1027 1028 s = splsoftcam(); 1029 1030 changer = (struct cdchanger *)arg; 1031 1032 /* 1033 * If we have NOT been called from cdstrategy() or cddone(), and 1034 * instead from a timeout routine, go ahead and clear the 1035 * timeout flag. 1036 */ 1037 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1038 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1039 called_from_timeout = 1; 1040 } else 1041 called_from_timeout = 0; 1042 1043 /* Always clear the manual call flag */ 1044 changer->flags &= ~CHANGER_MANUAL_CALL; 1045 1046 /* nothing to do if the queue is empty */ 1047 if (changer->devq.entries <= 0) { 1048 splx(s); 1049 return; 1050 } 1051 1052 /* 1053 * If the changer queue is frozen, that means we have an active 1054 * device. 1055 */ 1056 if (changer->devq.qfrozen_cnt > 0) { 1057 1058 if (changer->cur_device->device_stats.busy_count > 0) { 1059 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1060 changer->cur_device->bufs_left = 1061 changer->cur_device->device_stats.busy_count; 1062 if (called_from_timeout) { 1063 changer->long_handle = 1064 timeout(cdrunchangerqueue, changer, 1065 changer_max_busy_seconds * hz); 1066 changer->flags |= CHANGER_TIMEOUT_SCHED; 1067 } 1068 splx(s); 1069 return; 1070 } 1071 1072 /* 1073 * We always need to reset the frozen count and clear the 1074 * active flag. 1075 */ 1076 changer->devq.qfrozen_cnt--; 1077 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1078 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1079 1080 /* 1081 * Check to see whether the current device has any I/O left 1082 * to do. If so, requeue it at the end of the queue. If 1083 * not, there is no need to requeue it. 1084 */ 1085 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1086 1087 changer->cur_device->pinfo.generation = 1088 ++changer->devq.generation; 1089 camq_insert(&changer->devq, 1090 (cam_pinfo *)changer->cur_device); 1091 } 1092 } 1093 1094 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1095 1096 changer->cur_device = softc; 1097 1098 changer->devq.qfrozen_cnt++; 1099 softc->flags |= CD_FLAG_ACTIVE; 1100 1101 /* Just in case this device is waiting */ 1102 wakeup(&softc->changer); 1103 xpt_schedule(softc->periph, /*priority*/ 1); 1104 1105 /* 1106 * Get rid of any pending timeouts, and set a flag to schedule new 1107 * ones so this device gets its full time quantum. 1108 */ 1109 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1110 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1111 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1112 } 1113 1114 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1115 untimeout(cdshorttimeout, changer, changer->short_handle); 1116 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1117 } 1118 1119 /* 1120 * We need to schedule timeouts, but we only do this after the 1121 * first transaction has completed. This eliminates the changer 1122 * switch time. 1123 */ 1124 changer->flags |= CHANGER_NEED_TIMEOUT; 1125 1126 splx(s); 1127} 1128 1129static void 1130cdchangerschedule(struct cd_softc *softc) 1131{ 1132 struct cdchanger *changer; 1133 int s; 1134 1135 s = splsoftcam(); 1136 1137 changer = softc->changer; 1138 1139 /* 1140 * If this is a changer, and this is the current device, 1141 * and this device has at least the minimum time quantum to 1142 * run, see if we can switch it out. 1143 */ 1144 if ((softc->flags & CD_FLAG_ACTIVE) 1145 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1146 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1147 /* 1148 * We try three things here. The first is that we 1149 * check to see whether the schedule on completion 1150 * flag is set. If it is, we decrement the number 1151 * of buffers left, and if it's zero, we reschedule. 1152 * Next, we check to see whether the pending buffer 1153 * queue is empty and whether there are no 1154 * outstanding transactions. If so, we reschedule. 1155 * Next, we see if the pending buffer queue is empty. 1156 * If it is, we set the number of buffers left to 1157 * the current active buffer count and set the 1158 * schedule on complete flag. 1159 */ 1160 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1161 if (--softc->bufs_left == 0) { 1162 softc->changer->flags |= 1163 CHANGER_MANUAL_CALL; 1164 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1165 cdrunchangerqueue(softc->changer); 1166 } 1167 } else if ((bioq_first(&softc->bio_queue) == NULL) 1168 && (softc->device_stats.busy_count == 0)) { 1169 softc->changer->flags |= CHANGER_MANUAL_CALL; 1170 cdrunchangerqueue(softc->changer); 1171 } 1172 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1173 && (softc->flags & CD_FLAG_ACTIVE)) { 1174 1175 /* 1176 * Now that the first transaction to this 1177 * particular device has completed, we can go ahead 1178 * and schedule our timeouts. 1179 */ 1180 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1181 changer->long_handle = 1182 timeout(cdrunchangerqueue, changer, 1183 changer_max_busy_seconds * hz); 1184 changer->flags |= CHANGER_TIMEOUT_SCHED; 1185 } else 1186 printf("cdchangerschedule: already have a long" 1187 " timeout!\n"); 1188 1189 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1190 changer->short_handle = 1191 timeout(cdshorttimeout, changer, 1192 changer_min_busy_seconds * hz); 1193 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1194 } else 1195 printf("cdchangerschedule: already have a short " 1196 "timeout!\n"); 1197 1198 /* 1199 * We just scheduled timeouts, no need to schedule 1200 * more. 1201 */ 1202 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1203 1204 } 1205 splx(s); 1206} 1207 1208static int 1209cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1210 u_int32_t cam_flags, 1211 u_int32_t sense_flags), 1212 u_int32_t cam_flags, u_int32_t sense_flags) 1213{ 1214 struct cd_softc *softc; 1215 struct cam_periph *periph; 1216 int error; 1217 1218 periph = xpt_path_periph(ccb->ccb_h.path); 1219 softc = (struct cd_softc *)periph->softc; 1220 1221 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1222 &softc->device_stats); 1223 1224 if (softc->flags & CD_FLAG_CHANGER) 1225 cdchangerschedule(softc); 1226 1227 return(error); 1228} 1229 1230static union ccb * 1231cdgetccb(struct cam_periph *periph, u_int32_t priority) 1232{ 1233 struct cd_softc *softc; 1234 int s; 1235 1236 softc = (struct cd_softc *)periph->softc; 1237 1238 if (softc->flags & CD_FLAG_CHANGER) { 1239 1240 s = splsoftcam(); 1241 1242 /* 1243 * This should work the first time this device is woken up, 1244 * but just in case it doesn't, we use a while loop. 1245 */ 1246 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1247 /* 1248 * If this changer isn't already queued, queue it up. 1249 */ 1250 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1251 softc->pinfo.priority = 1; 1252 softc->pinfo.generation = 1253 ++softc->changer->devq.generation; 1254 camq_insert(&softc->changer->devq, 1255 (cam_pinfo *)softc); 1256 } 1257 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1258 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1259 && ((softc->changer->flags 1260 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1261 softc->changer->flags |= CHANGER_MANUAL_CALL; 1262 cdrunchangerqueue(softc->changer); 1263 } else 1264 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1265 } 1266 splx(s); 1267 } 1268 return(cam_periph_getccb(periph, priority)); 1269} 1270 1271 1272/* 1273 * Actually translate the requested transfer into one the physical driver 1274 * can understand. The transfer is described by a buf and will include 1275 * only one physical transfer. 1276 */ 1277static void 1278cdstrategy(struct bio *bp) 1279{ 1280 struct cam_periph *periph; 1281 struct cd_softc *softc; 1282 int s; 1283 1284 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1285 if (periph == NULL) { 1286 biofinish(bp, NULL, ENXIO); 1287 return; 1288 } 1289 1290 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1291 1292 softc = (struct cd_softc *)periph->softc; 1293 1294 /* 1295 * Mask interrupts so that the pack cannot be invalidated until 1296 * after we are in the queue. Otherwise, we might not properly 1297 * clean up one of the buffers. 1298 */ 1299 s = splbio(); 1300 1301 /* 1302 * If the device has been made invalid, error out 1303 */ 1304 if ((softc->flags & CD_FLAG_INVALID)) { 1305 splx(s); 1306 biofinish(bp, NULL, ENXIO); 1307 return; 1308 } 1309 1310 /* 1311 * Place it in the queue of disk activities for this disk 1312 */ 1313 bioqdisksort(&softc->bio_queue, bp); 1314 1315 splx(s); 1316 1317 /* 1318 * Schedule ourselves for performing the work. We do things 1319 * differently for changers. 1320 */ 1321 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1322 xpt_schedule(periph, /* XXX priority */1); 1323 else 1324 cdschedule(periph, /* priority */ 1); 1325 1326 return; 1327} 1328 1329static void 1330cdstart(struct cam_periph *periph, union ccb *start_ccb) 1331{ 1332 struct cd_softc *softc; 1333 struct bio *bp; 1334 struct ccb_scsiio *csio; 1335 struct scsi_read_capacity_data *rcap; 1336 int s; 1337 1338 softc = (struct cd_softc *)periph->softc; 1339 1340 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1341 1342 switch (softc->state) { 1343 case CD_STATE_NORMAL: 1344 { 1345 int oldspl; 1346 1347 s = splbio(); 1348 bp = bioq_first(&softc->bio_queue); 1349 if (periph->immediate_priority <= periph->pinfo.priority) { 1350 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1351 1352 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1353 periph_links.sle); 1354 periph->immediate_priority = CAM_PRIORITY_NONE; 1355 splx(s); 1356 wakeup(&periph->ccb_list); 1357 } else if (bp == NULL) { 1358 splx(s); 1359 xpt_release_ccb(start_ccb); 1360 } else { 1361 bioq_remove(&softc->bio_queue, bp); 1362 1363 devstat_start_transaction(&softc->device_stats); 1364 1365 scsi_read_write(&start_ccb->csio, 1366 /*retries*/4, 1367 /* cbfcnp */ cddone, 1368 MSG_SIMPLE_Q_TAG, 1369 /* read */bp->bio_cmd == BIO_READ, 1370 /* byte2 */ 0, 1371 /* minimum_cmd_size */ 10, 1372 /* lba */ bp->bio_blkno, 1373 bp->bio_bcount / softc->params.blksize, 1374 /* data_ptr */ bp->bio_data, 1375 /* dxfer_len */ bp->bio_bcount, 1376 /* sense_len */ SSD_FULL_SIZE, 1377 /* timeout */ 30000); 1378 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1379 1380 1381 /* 1382 * Block out any asyncronous callbacks 1383 * while we touch the pending ccb list. 1384 */ 1385 oldspl = splcam(); 1386 LIST_INSERT_HEAD(&softc->pending_ccbs, 1387 &start_ccb->ccb_h, periph_links.le); 1388 splx(oldspl); 1389 1390 /* We expect a unit attention from this device */ 1391 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1392 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1393 softc->flags &= ~CD_FLAG_RETRY_UA; 1394 } 1395 1396 start_ccb->ccb_h.ccb_bp = bp; 1397 bp = bioq_first(&softc->bio_queue); 1398 splx(s); 1399 1400 xpt_action(start_ccb); 1401 } 1402 if (bp != NULL) { 1403 /* Have more work to do, so ensure we stay scheduled */ 1404 xpt_schedule(periph, /* XXX priority */1); 1405 } 1406 break; 1407 } 1408 case CD_STATE_PROBE: 1409 { 1410 1411 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1412 M_TEMP, 1413 M_NOWAIT); 1414 if (rcap == NULL) { 1415 xpt_print_path(periph->path); 1416 printf("cdstart: Couldn't malloc read_capacity data\n"); 1417 /* cd_free_periph??? */ 1418 break; 1419 } 1420 csio = &start_ccb->csio; 1421 scsi_read_capacity(csio, 1422 /*retries*/1, 1423 cddone, 1424 MSG_SIMPLE_Q_TAG, 1425 rcap, 1426 SSD_FULL_SIZE, 1427 /*timeout*/20000); 1428 start_ccb->ccb_h.ccb_bp = NULL; 1429 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1430 xpt_action(start_ccb); 1431 break; 1432 } 1433 } 1434} 1435 1436static void 1437cddone(struct cam_periph *periph, union ccb *done_ccb) 1438{ 1439 struct cd_softc *softc; 1440 struct ccb_scsiio *csio; 1441 1442 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1443 1444 softc = (struct cd_softc *)periph->softc; 1445 csio = &done_ccb->csio; 1446 1447 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1448 case CD_CCB_BUFFER_IO: 1449 { 1450 struct bio *bp; 1451 int error; 1452 int oldspl; 1453 1454 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1455 error = 0; 1456 1457 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1458 int sf; 1459 1460 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1461 sf = SF_RETRY_UA; 1462 else 1463 sf = 0; 1464 1465 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1466 if (error == ERESTART) { 1467 /* 1468 * A retry was scheuled, so 1469 * just return. 1470 */ 1471 return; 1472 } 1473 } 1474 1475 if (error != 0) { 1476 int s; 1477 struct bio *q_bp; 1478 1479 xpt_print_path(periph->path); 1480 printf("cddone: got error %#x back\n", error); 1481 s = splbio(); 1482 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1483 bioq_remove(&softc->bio_queue, q_bp); 1484 q_bp->bio_resid = q_bp->bio_bcount; 1485 biofinish(q_bp, NULL, EIO); 1486 } 1487 splx(s); 1488 bp->bio_resid = bp->bio_bcount; 1489 bp->bio_error = error; 1490 bp->bio_flags |= BIO_ERROR; 1491 cam_release_devq(done_ccb->ccb_h.path, 1492 /*relsim_flags*/0, 1493 /*reduction*/0, 1494 /*timeout*/0, 1495 /*getcount_only*/0); 1496 1497 } else { 1498 bp->bio_resid = csio->resid; 1499 bp->bio_error = 0; 1500 if (bp->bio_resid != 0) { 1501 /* 1502 * Short transfer ??? 1503 * XXX: not sure this is correct for partial 1504 * transfers at EOM 1505 */ 1506 bp->bio_flags |= BIO_ERROR; 1507 } 1508 } 1509 1510 /* 1511 * Block out any asyncronous callbacks 1512 * while we touch the pending ccb list. 1513 */ 1514 oldspl = splcam(); 1515 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1516 splx(oldspl); 1517 1518 if (softc->flags & CD_FLAG_CHANGER) 1519 cdchangerschedule(softc); 1520 1521 biofinish(bp, &softc->device_stats, 0); 1522 break; 1523 } 1524 case CD_CCB_PROBE: 1525 { 1526 struct scsi_read_capacity_data *rdcap; 1527 char announce_buf[120]; /* 1528 * Currently (9/30/97) the 1529 * longest possible announce 1530 * buffer is 108 bytes, for the 1531 * first error case below. 1532 * That is 39 bytes for the 1533 * basic string, 16 bytes for the 1534 * biggest sense key (hardware 1535 * error), 52 bytes for the 1536 * text of the largest sense 1537 * qualifier valid for a CDROM, 1538 * (0x72, 0x03 or 0x04, 1539 * 0x03), and one byte for the 1540 * null terminating character. 1541 * To allow for longer strings, 1542 * the announce buffer is 120 1543 * bytes. 1544 */ 1545 struct cd_params *cdp; 1546 1547 cdp = &softc->params; 1548 1549 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1550 1551 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1552 cdp->blksize = scsi_4btoul (rdcap->length); 1553 1554 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1555 1556 snprintf(announce_buf, sizeof(announce_buf), 1557 "cd present [%lu x %lu byte records]", 1558 cdp->disksize, (u_long)cdp->blksize); 1559 1560 } else { 1561 int error; 1562 /* 1563 * Retry any UNIT ATTENTION type errors. They 1564 * are expected at boot. 1565 */ 1566 error = cderror(done_ccb, CAM_RETRY_SELTO, 1567 SF_RETRY_UA | SF_NO_PRINT); 1568 if (error == ERESTART) { 1569 /* 1570 * A retry was scheuled, so 1571 * just return. 1572 */ 1573 return; 1574 } else if (error != 0) { 1575 1576 struct scsi_sense_data *sense; 1577 int asc, ascq; 1578 int sense_key, error_code; 1579 int have_sense; 1580 cam_status status; 1581 struct ccb_getdev cgd; 1582 1583 /* Don't wedge this device's queue */ 1584 cam_release_devq(done_ccb->ccb_h.path, 1585 /*relsim_flags*/0, 1586 /*reduction*/0, 1587 /*timeout*/0, 1588 /*getcount_only*/0); 1589 1590 status = done_ccb->ccb_h.status; 1591 1592 xpt_setup_ccb(&cgd.ccb_h, 1593 done_ccb->ccb_h.path, 1594 /* priority */ 1); 1595 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1596 xpt_action((union ccb *)&cgd); 1597 1598 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1599 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1600 || ((status & CAM_AUTOSNS_VALID) == 0)) 1601 have_sense = FALSE; 1602 else 1603 have_sense = TRUE; 1604 1605 if (have_sense) { 1606 sense = &csio->sense_data; 1607 scsi_extract_sense(sense, &error_code, 1608 &sense_key, 1609 &asc, &ascq); 1610 } 1611 /* 1612 * Attach to anything that claims to be a 1613 * CDROM or WORM device, as long as it 1614 * doesn't return a "Logical unit not 1615 * supported" (0x25) error. 1616 */ 1617 if ((have_sense) && (asc != 0x25) 1618 && (error_code == SSD_CURRENT_ERROR)) { 1619 const char *sense_key_desc; 1620 const char *asc_desc; 1621 1622 scsi_sense_desc(sense_key, asc, ascq, 1623 &cgd.inq_data, 1624 &sense_key_desc, 1625 &asc_desc); 1626 snprintf(announce_buf, 1627 sizeof(announce_buf), 1628 "Attempt to query device " 1629 "size failed: %s, %s", 1630 sense_key_desc, 1631 asc_desc); 1632 } else if ((have_sense == 0) 1633 && ((status & CAM_STATUS_MASK) == 1634 CAM_SCSI_STATUS_ERROR) 1635 && (csio->scsi_status == 1636 SCSI_STATUS_BUSY)) { 1637 snprintf(announce_buf, 1638 sizeof(announce_buf), 1639 "Attempt to query device " 1640 "size failed: SCSI Status: %s", 1641 scsi_status_string(csio)); 1642 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1643 /* 1644 * We only print out an error for 1645 * CDROM type devices. For WORM 1646 * devices, we don't print out an 1647 * error since a few WORM devices 1648 * don't support CDROM commands. 1649 * If we have sense information, go 1650 * ahead and print it out. 1651 * Otherwise, just say that we 1652 * couldn't attach. 1653 */ 1654 1655 /* 1656 * Just print out the error, not 1657 * the full probe message, when we 1658 * don't attach. 1659 */ 1660 if (have_sense) 1661 scsi_sense_print( 1662 &done_ccb->csio); 1663 else { 1664 xpt_print_path(periph->path); 1665 printf("got CAM status %#x\n", 1666 done_ccb->ccb_h.status); 1667 } 1668 xpt_print_path(periph->path); 1669 printf("fatal error, failed" 1670 " to attach to device\n"); 1671 1672 /* 1673 * Invalidate this peripheral. 1674 */ 1675 cam_periph_invalidate(periph); 1676 1677 announce_buf[0] = '\0'; 1678 } else { 1679 1680 /* 1681 * Invalidate this peripheral. 1682 */ 1683 cam_periph_invalidate(periph); 1684 announce_buf[0] = '\0'; 1685 } 1686 } 1687 } 1688 free(rdcap, M_TEMP); 1689 if (announce_buf[0] != '\0') { 1690 xpt_announce_periph(periph, announce_buf); 1691 if (softc->flags & CD_FLAG_CHANGER) 1692 cdchangerschedule(softc); 1693 } 1694 softc->state = CD_STATE_NORMAL; 1695 /* 1696 * Since our peripheral may be invalidated by an error 1697 * above or an external event, we must release our CCB 1698 * before releasing the probe lock on the peripheral. 1699 * The peripheral will only go away once the last lock 1700 * is removed, and we need it around for the CCB release 1701 * operation. 1702 */ 1703 xpt_release_ccb(done_ccb); 1704 cam_periph_unlock(periph); 1705 return; 1706 } 1707 case CD_CCB_WAITING: 1708 { 1709 /* Caller will release the CCB */ 1710 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1711 ("trying to wakeup ccbwait\n")); 1712 1713 wakeup(&done_ccb->ccb_h.cbfcnp); 1714 return; 1715 } 1716 default: 1717 break; 1718 } 1719 xpt_release_ccb(done_ccb); 1720} 1721 1722static int 1723cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1724{ 1725 1726 struct cam_periph *periph; 1727 struct cd_softc *softc; 1728 int error; 1729 1730 periph = (struct cam_periph *)dev->si_drv1; 1731 if (periph == NULL) 1732 return(ENXIO); 1733 1734 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1735 1736 softc = (struct cd_softc *)periph->softc; 1737 1738 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1739 ("trying to do ioctl %#lx\n", cmd)); 1740 1741 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1742 1743 if (error != 0) 1744 return(error); 1745 1746 switch (cmd) { 1747 1748 case DIOCGMEDIASIZE: 1749 *(off_t *)addr = 1750 (off_t)softc->params.blksize * softc->params.disksize; 1751 break; 1752 case DIOCGSECTORSIZE: 1753 *(u_int *)addr = softc->params.blksize; 1754 break; 1755 1756 case CDIOCPLAYTRACKS: 1757 { 1758 struct ioc_play_track *args 1759 = (struct ioc_play_track *) addr; 1760 struct cd_mode_data *data; 1761 1762 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1763 M_WAITOK); 1764 1765 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1766 ("trying to do CDIOCPLAYTRACKS\n")); 1767 1768 error = cdgetmode(periph, data, AUDIO_PAGE); 1769 if (error) { 1770 free(data, M_TEMP); 1771 break; 1772 } 1773 data->page.audio.flags &= ~CD_PA_SOTC; 1774 data->page.audio.flags |= CD_PA_IMMED; 1775 error = cdsetmode(periph, data); 1776 free(data, M_TEMP); 1777 if (error) 1778 break; 1779 if (softc->quirks & CD_Q_BCD_TRACKS) { 1780 args->start_track = bin2bcd(args->start_track); 1781 args->end_track = bin2bcd(args->end_track); 1782 } 1783 error = cdplaytracks(periph, 1784 args->start_track, 1785 args->start_index, 1786 args->end_track, 1787 args->end_index); 1788 } 1789 break; 1790 case CDIOCPLAYMSF: 1791 { 1792 struct ioc_play_msf *args 1793 = (struct ioc_play_msf *) addr; 1794 struct cd_mode_data *data; 1795 1796 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1797 M_WAITOK); 1798 1799 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1800 ("trying to do CDIOCPLAYMSF\n")); 1801 1802 error = cdgetmode(periph, data, AUDIO_PAGE); 1803 if (error) { 1804 free(data, M_TEMP); 1805 break; 1806 } 1807 data->page.audio.flags &= ~CD_PA_SOTC; 1808 data->page.audio.flags |= CD_PA_IMMED; 1809 error = cdsetmode(periph, data); 1810 free(data, M_TEMP); 1811 if (error) 1812 break; 1813 error = cdplaymsf(periph, 1814 args->start_m, 1815 args->start_s, 1816 args->start_f, 1817 args->end_m, 1818 args->end_s, 1819 args->end_f); 1820 } 1821 break; 1822 case CDIOCPLAYBLOCKS: 1823 { 1824 struct ioc_play_blocks *args 1825 = (struct ioc_play_blocks *) addr; 1826 struct cd_mode_data *data; 1827 1828 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1829 ("trying to do CDIOCPLAYBLOCKS\n")); 1830 1831 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1832 M_WAITOK); 1833 1834 error = cdgetmode(periph, data, AUDIO_PAGE); 1835 if (error) { 1836 free(data, M_TEMP); 1837 break; 1838 } 1839 data->page.audio.flags &= ~CD_PA_SOTC; 1840 data->page.audio.flags |= CD_PA_IMMED; 1841 error = cdsetmode(periph, data); 1842 free(data, M_TEMP); 1843 if (error) 1844 break; 1845 error = cdplay(periph, args->blk, args->len); 1846 } 1847 break; 1848 case CDIOCREADSUBCHANNEL: 1849 { 1850 struct ioc_read_subchannel *args 1851 = (struct ioc_read_subchannel *) addr; 1852 struct cd_sub_channel_info *data; 1853 u_int32_t len = args->data_len; 1854 1855 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1856 ("trying to do CDIOCREADSUBCHANNEL\n")); 1857 1858 data = malloc(sizeof(struct cd_sub_channel_info), 1859 M_TEMP, M_WAITOK); 1860 1861 if ((len > sizeof(struct cd_sub_channel_info)) || 1862 (len < sizeof(struct cd_sub_channel_header))) { 1863 printf( 1864 "scsi_cd: cdioctl: " 1865 "cdioreadsubchannel: error, len=%d\n", 1866 len); 1867 error = EINVAL; 1868 free(data, M_TEMP); 1869 break; 1870 } 1871 1872 if (softc->quirks & CD_Q_BCD_TRACKS) 1873 args->track = bin2bcd(args->track); 1874 1875 error = cdreadsubchannel(periph, args->address_format, 1876 args->data_format, args->track, data, len); 1877 1878 if (error) { 1879 free(data, M_TEMP); 1880 break; 1881 } 1882 if (softc->quirks & CD_Q_BCD_TRACKS) 1883 data->what.track_info.track_number = 1884 bcd2bin(data->what.track_info.track_number); 1885 len = min(len, ((data->header.data_len[0] << 8) + 1886 data->header.data_len[1] + 1887 sizeof(struct cd_sub_channel_header))); 1888 if (copyout(data, args->data, len) != 0) { 1889 error = EFAULT; 1890 } 1891 free(data, M_TEMP); 1892 } 1893 break; 1894 1895 case CDIOREADTOCHEADER: 1896 { 1897 struct ioc_toc_header *th; 1898 1899 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1900 ("trying to do CDIOREADTOCHEADER\n")); 1901 1902 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1903 M_WAITOK); 1904 error = cdreadtoc(periph, 0, 0, 1905 (struct cd_toc_entry *)th, 1906 sizeof (*th)); 1907 if (error) { 1908 free(th, M_TEMP); 1909 break; 1910 } 1911 if (softc->quirks & CD_Q_BCD_TRACKS) { 1912 /* we are going to have to convert the BCD 1913 * encoding on the cd to what is expected 1914 */ 1915 th->starting_track = 1916 bcd2bin(th->starting_track); 1917 th->ending_track = bcd2bin(th->ending_track); 1918 } 1919 th->len = ntohs(th->len); 1920 bcopy(th, addr, sizeof(*th)); 1921 free(th, M_TEMP); 1922 } 1923 break; 1924 case CDIOREADTOCENTRYS: 1925 { 1926 typedef struct { 1927 struct ioc_toc_header header; 1928 struct cd_toc_entry entries[100]; 1929 } data_t; 1930 typedef struct { 1931 struct ioc_toc_header header; 1932 struct cd_toc_entry entry; 1933 } lead_t; 1934 1935 data_t *data; 1936 lead_t *lead; 1937 struct ioc_read_toc_entry *te = 1938 (struct ioc_read_toc_entry *) addr; 1939 struct ioc_toc_header *th; 1940 u_int32_t len, readlen, idx, num; 1941 u_int32_t starting_track = te->starting_track; 1942 1943 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1944 ("trying to do CDIOREADTOCENTRYS\n")); 1945 1946 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 1947 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 1948 1949 if (te->data_len < sizeof(struct cd_toc_entry) 1950 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1951 || (te->address_format != CD_MSF_FORMAT 1952 && te->address_format != CD_LBA_FORMAT)) { 1953 error = EINVAL; 1954 printf("scsi_cd: error in readtocentries, " 1955 "returning EINVAL\n"); 1956 free(data, M_TEMP); 1957 free(lead, M_TEMP); 1958 break; 1959 } 1960 1961 th = &data->header; 1962 error = cdreadtoc(periph, 0, 0, 1963 (struct cd_toc_entry *)th, 1964 sizeof (*th)); 1965 if (error) { 1966 free(data, M_TEMP); 1967 free(lead, M_TEMP); 1968 break; 1969 } 1970 1971 if (softc->quirks & CD_Q_BCD_TRACKS) { 1972 /* we are going to have to convert the BCD 1973 * encoding on the cd to what is expected 1974 */ 1975 th->starting_track = 1976 bcd2bin(th->starting_track); 1977 th->ending_track = bcd2bin(th->ending_track); 1978 } 1979 1980 if (starting_track == 0) 1981 starting_track = th->starting_track; 1982 else if (starting_track == LEADOUT) 1983 starting_track = th->ending_track + 1; 1984 else if (starting_track < th->starting_track || 1985 starting_track > th->ending_track + 1) { 1986 printf("scsi_cd: error in readtocentries, " 1987 "returning EINVAL\n"); 1988 free(data, M_TEMP); 1989 free(lead, M_TEMP); 1990 error = EINVAL; 1991 break; 1992 } 1993 1994 /* calculate reading length without leadout entry */ 1995 readlen = (th->ending_track - starting_track + 1) * 1996 sizeof(struct cd_toc_entry); 1997 1998 /* and with leadout entry */ 1999 len = readlen + sizeof(struct cd_toc_entry); 2000 if (te->data_len < len) { 2001 len = te->data_len; 2002 if (readlen > len) 2003 readlen = len; 2004 } 2005 if (len > sizeof(data->entries)) { 2006 printf("scsi_cd: error in readtocentries, " 2007 "returning EINVAL\n"); 2008 error = EINVAL; 2009 free(data, M_TEMP); 2010 free(lead, M_TEMP); 2011 break; 2012 } 2013 num = len / sizeof(struct cd_toc_entry); 2014 2015 if (readlen > 0) { 2016 error = cdreadtoc(periph, te->address_format, 2017 starting_track, 2018 (struct cd_toc_entry *)data, 2019 readlen + sizeof (*th)); 2020 if (error) { 2021 free(data, M_TEMP); 2022 free(lead, M_TEMP); 2023 break; 2024 } 2025 } 2026 2027 /* make leadout entry if needed */ 2028 idx = starting_track + num - 1; 2029 if (softc->quirks & CD_Q_BCD_TRACKS) 2030 th->ending_track = bcd2bin(th->ending_track); 2031 if (idx == th->ending_track + 1) { 2032 error = cdreadtoc(periph, te->address_format, 2033 LEADOUT, 2034 (struct cd_toc_entry *)lead, 2035 sizeof(*lead)); 2036 if (error) { 2037 free(data, M_TEMP); 2038 free(lead, M_TEMP); 2039 break; 2040 } 2041 data->entries[idx - starting_track] = 2042 lead->entry; 2043 } 2044 if (softc->quirks & CD_Q_BCD_TRACKS) { 2045 for (idx = 0; idx < num - 1; idx++) { 2046 data->entries[idx].track = 2047 bcd2bin(data->entries[idx].track); 2048 } 2049 } 2050 2051 error = copyout(data->entries, te->data, len); 2052 free(data, M_TEMP); 2053 free(lead, M_TEMP); 2054 } 2055 break; 2056 case CDIOREADTOCENTRY: 2057 { 2058 /* yeah yeah, this is ugly */ 2059 typedef struct { 2060 struct ioc_toc_header header; 2061 struct cd_toc_entry entry; 2062 } data_t; 2063 2064 data_t *data; 2065 struct ioc_read_toc_single_entry *te = 2066 (struct ioc_read_toc_single_entry *) addr; 2067 struct ioc_toc_header *th; 2068 u_int32_t track; 2069 2070 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2071 ("trying to do CDIOREADTOCENTRY\n")); 2072 2073 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2074 2075 if (te->address_format != CD_MSF_FORMAT 2076 && te->address_format != CD_LBA_FORMAT) { 2077 printf("error in readtocentry, " 2078 " returning EINVAL\n"); 2079 free(data, M_TEMP); 2080 error = EINVAL; 2081 break; 2082 } 2083 2084 th = &data->header; 2085 error = cdreadtoc(periph, 0, 0, 2086 (struct cd_toc_entry *)th, 2087 sizeof (*th)); 2088 if (error) { 2089 free(data, M_TEMP); 2090 break; 2091 } 2092 2093 if (softc->quirks & CD_Q_BCD_TRACKS) { 2094 /* we are going to have to convert the BCD 2095 * encoding on the cd to what is expected 2096 */ 2097 th->starting_track = 2098 bcd2bin(th->starting_track); 2099 th->ending_track = bcd2bin(th->ending_track); 2100 } 2101 track = te->track; 2102 if (track == 0) 2103 track = th->starting_track; 2104 else if (track == LEADOUT) 2105 /* OK */; 2106 else if (track < th->starting_track || 2107 track > th->ending_track + 1) { 2108 printf("error in readtocentry, " 2109 " returning EINVAL\n"); 2110 free(data, M_TEMP); 2111 error = EINVAL; 2112 break; 2113 } 2114 2115 error = cdreadtoc(periph, te->address_format, track, 2116 (struct cd_toc_entry *)data, 2117 sizeof(data_t)); 2118 if (error) { 2119 free(data, M_TEMP); 2120 break; 2121 } 2122 2123 if (softc->quirks & CD_Q_BCD_TRACKS) 2124 data->entry.track = bcd2bin(data->entry.track); 2125 bcopy(&data->entry, &te->entry, 2126 sizeof(struct cd_toc_entry)); 2127 free(data, M_TEMP); 2128 } 2129 break; 2130 case CDIOCSETPATCH: 2131 { 2132 struct ioc_patch *arg = (struct ioc_patch *) addr; 2133 struct cd_mode_data *data; 2134 2135 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2136 ("trying to do CDIOCSETPATCH\n")); 2137 2138 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2139 M_WAITOK); 2140 error = cdgetmode(periph, data, AUDIO_PAGE); 2141 if (error) { 2142 free(data, M_TEMP); 2143 break; 2144 } 2145 data->page.audio.port[LEFT_PORT].channels = 2146 arg->patch[0]; 2147 data->page.audio.port[RIGHT_PORT].channels = 2148 arg->patch[1]; 2149 data->page.audio.port[2].channels = arg->patch[2]; 2150 data->page.audio.port[3].channels = arg->patch[3]; 2151 error = cdsetmode(periph, data); 2152 free(data, M_TEMP); 2153 } 2154 break; 2155 case CDIOCGETVOL: 2156 { 2157 struct ioc_vol *arg = (struct ioc_vol *) addr; 2158 struct cd_mode_data *data; 2159 2160 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2161 ("trying to do CDIOCGETVOL\n")); 2162 2163 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2164 M_WAITOK); 2165 error = cdgetmode(periph, data, AUDIO_PAGE); 2166 if (error) { 2167 free(data, M_TEMP); 2168 break; 2169 } 2170 arg->vol[LEFT_PORT] = 2171 data->page.audio.port[LEFT_PORT].volume; 2172 arg->vol[RIGHT_PORT] = 2173 data->page.audio.port[RIGHT_PORT].volume; 2174 arg->vol[2] = data->page.audio.port[2].volume; 2175 arg->vol[3] = data->page.audio.port[3].volume; 2176 free(data, M_TEMP); 2177 } 2178 break; 2179 case CDIOCSETVOL: 2180 { 2181 struct ioc_vol *arg = (struct ioc_vol *) addr; 2182 struct cd_mode_data *data; 2183 2184 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2185 ("trying to do CDIOCSETVOL\n")); 2186 2187 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2188 M_WAITOK); 2189 error = cdgetmode(periph, data, AUDIO_PAGE); 2190 if (error) { 2191 free(data, M_TEMP); 2192 break; 2193 } 2194 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2195 data->page.audio.port[LEFT_PORT].volume = 2196 arg->vol[LEFT_PORT]; 2197 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2198 data->page.audio.port[RIGHT_PORT].volume = 2199 arg->vol[RIGHT_PORT]; 2200 data->page.audio.port[2].volume = arg->vol[2]; 2201 data->page.audio.port[3].volume = arg->vol[3]; 2202 error = cdsetmode(periph, data); 2203 free(data, M_TEMP); 2204 } 2205 break; 2206 case CDIOCSETMONO: 2207 { 2208 struct cd_mode_data *data; 2209 2210 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2211 ("trying to do CDIOCSETMONO\n")); 2212 2213 data = malloc(sizeof(struct cd_mode_data), 2214 M_TEMP, M_WAITOK); 2215 error = cdgetmode(periph, data, AUDIO_PAGE); 2216 if (error) { 2217 free(data, M_TEMP); 2218 break; 2219 } 2220 data->page.audio.port[LEFT_PORT].channels = 2221 LEFT_CHANNEL | RIGHT_CHANNEL; 2222 data->page.audio.port[RIGHT_PORT].channels = 2223 LEFT_CHANNEL | RIGHT_CHANNEL; 2224 data->page.audio.port[2].channels = 0; 2225 data->page.audio.port[3].channels = 0; 2226 error = cdsetmode(periph, data); 2227 free(data, M_TEMP); 2228 } 2229 break; 2230 case CDIOCSETSTEREO: 2231 { 2232 struct cd_mode_data *data; 2233 2234 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2235 ("trying to do CDIOCSETSTEREO\n")); 2236 2237 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2238 M_WAITOK); 2239 error = cdgetmode(periph, data, AUDIO_PAGE); 2240 if (error) { 2241 free(data, M_TEMP); 2242 break; 2243 } 2244 data->page.audio.port[LEFT_PORT].channels = 2245 LEFT_CHANNEL; 2246 data->page.audio.port[RIGHT_PORT].channels = 2247 RIGHT_CHANNEL; 2248 data->page.audio.port[2].channels = 0; 2249 data->page.audio.port[3].channels = 0; 2250 error = cdsetmode(periph, data); 2251 free(data, M_TEMP); 2252 } 2253 break; 2254 case CDIOCSETMUTE: 2255 { 2256 struct cd_mode_data *data; 2257 2258 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2259 ("trying to do CDIOCSETMUTE\n")); 2260 2261 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2262 M_WAITOK); 2263 error = cdgetmode(periph, data, AUDIO_PAGE); 2264 if (error) { 2265 free(data, M_TEMP); 2266 break; 2267 } 2268 data->page.audio.port[LEFT_PORT].channels = 0; 2269 data->page.audio.port[RIGHT_PORT].channels = 0; 2270 data->page.audio.port[2].channels = 0; 2271 data->page.audio.port[3].channels = 0; 2272 error = cdsetmode(periph, data); 2273 free(data, M_TEMP); 2274 } 2275 break; 2276 case CDIOCSETLEFT: 2277 { 2278 struct cd_mode_data *data; 2279 2280 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2281 ("trying to do CDIOCSETLEFT\n")); 2282 2283 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2284 M_WAITOK); 2285 error = cdgetmode(periph, data, AUDIO_PAGE); 2286 if (error) { 2287 free(data, M_TEMP); 2288 break; 2289 } 2290 data->page.audio.port[LEFT_PORT].channels = 2291 LEFT_CHANNEL; 2292 data->page.audio.port[RIGHT_PORT].channels = 2293 LEFT_CHANNEL; 2294 data->page.audio.port[2].channels = 0; 2295 data->page.audio.port[3].channels = 0; 2296 error = cdsetmode(periph, data); 2297 free(data, M_TEMP); 2298 } 2299 break; 2300 case CDIOCSETRIGHT: 2301 { 2302 struct cd_mode_data *data; 2303 2304 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2305 ("trying to do CDIOCSETRIGHT\n")); 2306 2307 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2308 M_WAITOK); 2309 error = cdgetmode(periph, data, AUDIO_PAGE); 2310 if (error) { 2311 free(data, M_TEMP); 2312 break; 2313 } 2314 data->page.audio.port[LEFT_PORT].channels = 2315 RIGHT_CHANNEL; 2316 data->page.audio.port[RIGHT_PORT].channels = 2317 RIGHT_CHANNEL; 2318 data->page.audio.port[2].channels = 0; 2319 data->page.audio.port[3].channels = 0; 2320 error = cdsetmode(periph, data); 2321 free(data, M_TEMP); 2322 } 2323 break; 2324 case CDIOCRESUME: 2325 error = cdpause(periph, 1); 2326 break; 2327 case CDIOCPAUSE: 2328 error = cdpause(periph, 0); 2329 break; 2330 case CDIOCSTART: 2331 error = cdstartunit(periph); 2332 break; 2333 case CDIOCSTOP: 2334 error = cdstopunit(periph, 0); 2335 break; 2336 case CDIOCEJECT: 2337 error = cdstopunit(periph, 1); 2338 break; 2339 case CDIOCALLOW: 2340 cdprevent(periph, PR_ALLOW); 2341 break; 2342 case CDIOCPREVENT: 2343 cdprevent(periph, PR_PREVENT); 2344 break; 2345 case CDIOCSETDEBUG: 2346 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2347 error = ENOTTY; 2348 break; 2349 case CDIOCCLRDEBUG: 2350 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2351 error = ENOTTY; 2352 break; 2353 case CDIOCRESET: 2354 /* return (cd_reset(periph)); */ 2355 error = ENOTTY; 2356 break; 2357 case DVDIOCSENDKEY: 2358 case DVDIOCREPORTKEY: { 2359 struct dvd_authinfo *authinfo; 2360 2361 authinfo = (struct dvd_authinfo *)addr; 2362 2363 if (cmd == DVDIOCREPORTKEY) 2364 error = cdreportkey(periph, authinfo); 2365 else 2366 error = cdsendkey(periph, authinfo); 2367 break; 2368 } 2369 case DVDIOCREADSTRUCTURE: { 2370 struct dvd_struct *dvdstruct; 2371 2372 dvdstruct = (struct dvd_struct *)addr; 2373 2374 error = cdreaddvdstructure(periph, dvdstruct); 2375 2376 break; 2377 } 2378 default: 2379 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2380 break; 2381 } 2382 2383 cam_periph_unlock(periph); 2384 2385 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2386 if (error && bootverbose) { 2387 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2388 } 2389 2390 return (error); 2391} 2392 2393static void 2394cdprevent(struct cam_periph *periph, int action) 2395{ 2396 union ccb *ccb; 2397 struct cd_softc *softc; 2398 int error; 2399 2400 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2401 2402 softc = (struct cd_softc *)periph->softc; 2403 2404 if (((action == PR_ALLOW) 2405 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2406 || ((action == PR_PREVENT) 2407 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2408 return; 2409 } 2410 2411 ccb = cdgetccb(periph, /* priority */ 1); 2412 2413 scsi_prevent(&ccb->csio, 2414 /*retries*/ 1, 2415 cddone, 2416 MSG_SIMPLE_Q_TAG, 2417 action, 2418 SSD_FULL_SIZE, 2419 /* timeout */60000); 2420 2421 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2422 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2423 2424 xpt_release_ccb(ccb); 2425 2426 if (error == 0) { 2427 if (action == PR_ALLOW) 2428 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2429 else 2430 softc->flags |= CD_FLAG_DISC_LOCKED; 2431 } 2432} 2433 2434static int 2435cdsize(dev_t dev, u_int32_t *size) 2436{ 2437 struct cam_periph *periph; 2438 struct cd_softc *softc; 2439 union ccb *ccb; 2440 struct scsi_read_capacity_data *rcap_buf; 2441 int error; 2442 2443 periph = (struct cam_periph *)dev->si_drv1; 2444 if (periph == NULL) 2445 return (ENXIO); 2446 2447 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2448 2449 softc = (struct cd_softc *)periph->softc; 2450 2451 ccb = cdgetccb(periph, /* priority */ 1); 2452 2453 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2454 M_TEMP, M_WAITOK); 2455 2456 scsi_read_capacity(&ccb->csio, 2457 /*retries*/ 1, 2458 cddone, 2459 MSG_SIMPLE_Q_TAG, 2460 rcap_buf, 2461 SSD_FULL_SIZE, 2462 /* timeout */20000); 2463 2464 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2465 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2466 2467 xpt_release_ccb(ccb); 2468 2469 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2470 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2471 /* 2472 * SCSI-3 mandates that the reported blocksize shall be 2048. 2473 * Older drives sometimes report funny values, trim it down to 2474 * 2048, or other parts of the kernel will get confused. 2475 * 2476 * XXX we leave drives alone that might report 512 bytes, as 2477 * well as drives reporting more weird sizes like perhaps 4K. 2478 */ 2479 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2480 softc->params.blksize = 2048; 2481 2482 free(rcap_buf, M_TEMP); 2483 *size = softc->params.disksize; 2484 2485 return (error); 2486 2487} 2488 2489static int 2490cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2491{ 2492 struct cd_softc *softc; 2493 struct cam_periph *periph; 2494 2495 periph = xpt_path_periph(ccb->ccb_h.path); 2496 softc = (struct cd_softc *)periph->softc; 2497 2498 /* 2499 * XXX 2500 * Until we have a better way of doing pack validation, 2501 * don't treat UAs as errors. 2502 */ 2503 sense_flags |= SF_RETRY_UA; 2504 return (cam_periph_error(ccb, cam_flags, sense_flags, 2505 &softc->saved_ccb)); 2506} 2507 2508/* 2509 * Read table of contents 2510 */ 2511static int 2512cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2513 struct cd_toc_entry *data, u_int32_t len) 2514{ 2515 struct scsi_read_toc *scsi_cmd; 2516 u_int32_t ntoc; 2517 struct ccb_scsiio *csio; 2518 union ccb *ccb; 2519 int error; 2520 2521 ntoc = len; 2522 error = 0; 2523 2524 ccb = cdgetccb(periph, /* priority */ 1); 2525 2526 csio = &ccb->csio; 2527 2528 cam_fill_csio(csio, 2529 /* retries */ 1, 2530 /* cbfcnp */ cddone, 2531 /* flags */ CAM_DIR_IN, 2532 /* tag_action */ MSG_SIMPLE_Q_TAG, 2533 /* data_ptr */ (u_int8_t *)data, 2534 /* dxfer_len */ len, 2535 /* sense_len */ SSD_FULL_SIZE, 2536 sizeof(struct scsi_read_toc), 2537 /* timeout */ 50000); 2538 2539 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2540 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2541 2542 if (mode == CD_MSF_FORMAT) 2543 scsi_cmd->byte2 |= CD_MSF; 2544 scsi_cmd->from_track = start; 2545 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2546 scsi_cmd->data_len[0] = (ntoc) >> 8; 2547 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2548 2549 scsi_cmd->op_code = READ_TOC; 2550 2551 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2552 /*sense_flags*/SF_RETRY_UA); 2553 2554 xpt_release_ccb(ccb); 2555 2556 return(error); 2557} 2558 2559static int 2560cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2561 u_int32_t format, int track, 2562 struct cd_sub_channel_info *data, u_int32_t len) 2563{ 2564 struct scsi_read_subchannel *scsi_cmd; 2565 struct ccb_scsiio *csio; 2566 union ccb *ccb; 2567 int error; 2568 2569 error = 0; 2570 2571 ccb = cdgetccb(periph, /* priority */ 1); 2572 2573 csio = &ccb->csio; 2574 2575 cam_fill_csio(csio, 2576 /* retries */ 1, 2577 /* cbfcnp */ cddone, 2578 /* flags */ CAM_DIR_IN, 2579 /* tag_action */ MSG_SIMPLE_Q_TAG, 2580 /* data_ptr */ (u_int8_t *)data, 2581 /* dxfer_len */ len, 2582 /* sense_len */ SSD_FULL_SIZE, 2583 sizeof(struct scsi_read_subchannel), 2584 /* timeout */ 50000); 2585 2586 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2587 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2588 2589 scsi_cmd->op_code = READ_SUBCHANNEL; 2590 if (mode == CD_MSF_FORMAT) 2591 scsi_cmd->byte1 |= CD_MSF; 2592 scsi_cmd->byte2 = SRS_SUBQ; 2593 scsi_cmd->subchan_format = format; 2594 scsi_cmd->track = track; 2595 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2596 scsi_cmd->control = 0; 2597 2598 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2599 /*sense_flags*/SF_RETRY_UA); 2600 2601 xpt_release_ccb(ccb); 2602 2603 return(error); 2604} 2605 2606 2607static int 2608cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2609{ 2610 struct scsi_mode_sense_6 *scsi_cmd; 2611 struct ccb_scsiio *csio; 2612 union ccb *ccb; 2613 int error; 2614 2615 ccb = cdgetccb(periph, /* priority */ 1); 2616 2617 csio = &ccb->csio; 2618 2619 bzero(data, sizeof(*data)); 2620 cam_fill_csio(csio, 2621 /* retries */ 1, 2622 /* cbfcnp */ cddone, 2623 /* flags */ CAM_DIR_IN, 2624 /* tag_action */ MSG_SIMPLE_Q_TAG, 2625 /* data_ptr */ (u_int8_t *)data, 2626 /* dxfer_len */ sizeof(*data), 2627 /* sense_len */ SSD_FULL_SIZE, 2628 sizeof(struct scsi_mode_sense_6), 2629 /* timeout */ 50000); 2630 2631 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2632 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2633 2634 scsi_cmd->page = page; 2635 scsi_cmd->length = sizeof(*data) & 0xff; 2636 scsi_cmd->opcode = MODE_SENSE; 2637 2638 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2639 /*sense_flags*/SF_RETRY_UA); 2640 2641 xpt_release_ccb(ccb); 2642 2643 return(error); 2644} 2645 2646static int 2647cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2648{ 2649 struct scsi_mode_select_6 *scsi_cmd; 2650 struct ccb_scsiio *csio; 2651 union ccb *ccb; 2652 int error; 2653 2654 ccb = cdgetccb(periph, /* priority */ 1); 2655 2656 csio = &ccb->csio; 2657 2658 error = 0; 2659 2660 cam_fill_csio(csio, 2661 /* retries */ 1, 2662 /* cbfcnp */ cddone, 2663 /* flags */ CAM_DIR_OUT, 2664 /* tag_action */ MSG_SIMPLE_Q_TAG, 2665 /* data_ptr */ (u_int8_t *)data, 2666 /* dxfer_len */ sizeof(*data), 2667 /* sense_len */ SSD_FULL_SIZE, 2668 sizeof(struct scsi_mode_select_6), 2669 /* timeout */ 50000); 2670 2671 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2672 2673 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2674 scsi_cmd->opcode = MODE_SELECT; 2675 scsi_cmd->byte2 |= SMS_PF; 2676 scsi_cmd->length = sizeof(*data) & 0xff; 2677 data->header.data_length = 0; 2678 /* 2679 * SONY drives do not allow a mode select with a medium_type 2680 * value that has just been returned by a mode sense; use a 2681 * medium_type of 0 (Default) instead. 2682 */ 2683 data->header.medium_type = 0; 2684 2685 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2686 /*sense_flags*/SF_RETRY_UA); 2687 2688 xpt_release_ccb(ccb); 2689 2690 return(error); 2691} 2692 2693 2694static int 2695cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2696{ 2697 struct ccb_scsiio *csio; 2698 union ccb *ccb; 2699 int error; 2700 u_int8_t cdb_len; 2701 2702 error = 0; 2703 ccb = cdgetccb(periph, /* priority */ 1); 2704 csio = &ccb->csio; 2705 /* 2706 * Use the smallest possible command to perform the operation. 2707 */ 2708 if ((len & 0xffff0000) == 0) { 2709 /* 2710 * We can fit in a 10 byte cdb. 2711 */ 2712 struct scsi_play_10 *scsi_cmd; 2713 2714 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2715 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2716 scsi_cmd->op_code = PLAY_10; 2717 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2718 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2719 cdb_len = sizeof(*scsi_cmd); 2720 } else { 2721 struct scsi_play_12 *scsi_cmd; 2722 2723 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2724 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2725 scsi_cmd->op_code = PLAY_12; 2726 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2727 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2728 cdb_len = sizeof(*scsi_cmd); 2729 } 2730 cam_fill_csio(csio, 2731 /*retries*/2, 2732 cddone, 2733 /*flags*/CAM_DIR_NONE, 2734 MSG_SIMPLE_Q_TAG, 2735 /*dataptr*/NULL, 2736 /*datalen*/0, 2737 /*sense_len*/SSD_FULL_SIZE, 2738 cdb_len, 2739 /*timeout*/50 * 1000); 2740 2741 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2742 /*sense_flags*/SF_RETRY_UA); 2743 2744 xpt_release_ccb(ccb); 2745 2746 return(error); 2747} 2748 2749static int 2750cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2751 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2752{ 2753 struct scsi_play_msf *scsi_cmd; 2754 struct ccb_scsiio *csio; 2755 union ccb *ccb; 2756 int error; 2757 2758 error = 0; 2759 2760 ccb = cdgetccb(periph, /* priority */ 1); 2761 2762 csio = &ccb->csio; 2763 2764 cam_fill_csio(csio, 2765 /* retries */ 1, 2766 /* cbfcnp */ cddone, 2767 /* flags */ CAM_DIR_NONE, 2768 /* tag_action */ MSG_SIMPLE_Q_TAG, 2769 /* data_ptr */ NULL, 2770 /* dxfer_len */ 0, 2771 /* sense_len */ SSD_FULL_SIZE, 2772 sizeof(struct scsi_play_msf), 2773 /* timeout */ 50000); 2774 2775 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2776 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2777 2778 scsi_cmd->op_code = PLAY_MSF; 2779 scsi_cmd->start_m = startm; 2780 scsi_cmd->start_s = starts; 2781 scsi_cmd->start_f = startf; 2782 scsi_cmd->end_m = endm; 2783 scsi_cmd->end_s = ends; 2784 scsi_cmd->end_f = endf; 2785 2786 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2787 /*sense_flags*/SF_RETRY_UA); 2788 2789 xpt_release_ccb(ccb); 2790 2791 return(error); 2792} 2793 2794 2795static int 2796cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2797 u_int32_t etrack, u_int32_t eindex) 2798{ 2799 struct scsi_play_track *scsi_cmd; 2800 struct ccb_scsiio *csio; 2801 union ccb *ccb; 2802 int error; 2803 2804 error = 0; 2805 2806 ccb = cdgetccb(periph, /* priority */ 1); 2807 2808 csio = &ccb->csio; 2809 2810 cam_fill_csio(csio, 2811 /* retries */ 1, 2812 /* cbfcnp */ cddone, 2813 /* flags */ CAM_DIR_NONE, 2814 /* tag_action */ MSG_SIMPLE_Q_TAG, 2815 /* data_ptr */ NULL, 2816 /* dxfer_len */ 0, 2817 /* sense_len */ SSD_FULL_SIZE, 2818 sizeof(struct scsi_play_track), 2819 /* timeout */ 50000); 2820 2821 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2822 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2823 2824 scsi_cmd->op_code = PLAY_TRACK; 2825 scsi_cmd->start_track = strack; 2826 scsi_cmd->start_index = sindex; 2827 scsi_cmd->end_track = etrack; 2828 scsi_cmd->end_index = eindex; 2829 2830 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2831 /*sense_flags*/SF_RETRY_UA); 2832 2833 xpt_release_ccb(ccb); 2834 2835 return(error); 2836} 2837 2838static int 2839cdpause(struct cam_periph *periph, u_int32_t go) 2840{ 2841 struct scsi_pause *scsi_cmd; 2842 struct ccb_scsiio *csio; 2843 union ccb *ccb; 2844 int error; 2845 2846 error = 0; 2847 2848 ccb = cdgetccb(periph, /* priority */ 1); 2849 2850 csio = &ccb->csio; 2851 2852 cam_fill_csio(csio, 2853 /* retries */ 1, 2854 /* cbfcnp */ cddone, 2855 /* flags */ CAM_DIR_NONE, 2856 /* tag_action */ MSG_SIMPLE_Q_TAG, 2857 /* data_ptr */ NULL, 2858 /* dxfer_len */ 0, 2859 /* sense_len */ SSD_FULL_SIZE, 2860 sizeof(struct scsi_pause), 2861 /* timeout */ 50000); 2862 2863 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 2864 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2865 2866 scsi_cmd->op_code = PAUSE; 2867 scsi_cmd->resume = go; 2868 2869 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2870 /*sense_flags*/SF_RETRY_UA); 2871 2872 xpt_release_ccb(ccb); 2873 2874 return(error); 2875} 2876 2877static int 2878cdstartunit(struct cam_periph *periph) 2879{ 2880 union ccb *ccb; 2881 int error; 2882 2883 error = 0; 2884 2885 ccb = cdgetccb(periph, /* priority */ 1); 2886 2887 scsi_start_stop(&ccb->csio, 2888 /* retries */ 1, 2889 /* cbfcnp */ cddone, 2890 /* tag_action */ MSG_SIMPLE_Q_TAG, 2891 /* start */ TRUE, 2892 /* load_eject */ FALSE, 2893 /* immediate */ FALSE, 2894 /* sense_len */ SSD_FULL_SIZE, 2895 /* timeout */ 50000); 2896 2897 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2898 /*sense_flags*/SF_RETRY_UA); 2899 2900 xpt_release_ccb(ccb); 2901 2902 return(error); 2903} 2904 2905static int 2906cdstopunit(struct cam_periph *periph, u_int32_t eject) 2907{ 2908 union ccb *ccb; 2909 int error; 2910 2911 error = 0; 2912 2913 ccb = cdgetccb(periph, /* priority */ 1); 2914 2915 scsi_start_stop(&ccb->csio, 2916 /* retries */ 1, 2917 /* cbfcnp */ cddone, 2918 /* tag_action */ MSG_SIMPLE_Q_TAG, 2919 /* start */ FALSE, 2920 /* load_eject */ eject, 2921 /* immediate */ FALSE, 2922 /* sense_len */ SSD_FULL_SIZE, 2923 /* timeout */ 50000); 2924 2925 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2926 /*sense_flags*/SF_RETRY_UA); 2927 2928 xpt_release_ccb(ccb); 2929 2930 return(error); 2931} 2932 2933static int 2934cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 2935{ 2936 union ccb *ccb; 2937 u_int8_t *databuf; 2938 u_int32_t lba; 2939 int error; 2940 int length; 2941 2942 error = 0; 2943 databuf = NULL; 2944 lba = 0; 2945 2946 ccb = cdgetccb(periph, /* priority */ 1); 2947 2948 switch (authinfo->format) { 2949 case DVD_REPORT_AGID: 2950 length = sizeof(struct scsi_report_key_data_agid); 2951 break; 2952 case DVD_REPORT_CHALLENGE: 2953 length = sizeof(struct scsi_report_key_data_challenge); 2954 break; 2955 case DVD_REPORT_KEY1: 2956 length = sizeof(struct scsi_report_key_data_key1_key2); 2957 break; 2958 case DVD_REPORT_TITLE_KEY: 2959 length = sizeof(struct scsi_report_key_data_title); 2960 /* The lba field is only set for the title key */ 2961 lba = authinfo->lba; 2962 break; 2963 case DVD_REPORT_ASF: 2964 length = sizeof(struct scsi_report_key_data_asf); 2965 break; 2966 case DVD_REPORT_RPC: 2967 length = sizeof(struct scsi_report_key_data_rpc); 2968 break; 2969 case DVD_INVALIDATE_AGID: 2970 length = 0; 2971 break; 2972 default: 2973 error = EINVAL; 2974 goto bailout; 2975 break; /* NOTREACHED */ 2976 } 2977 2978 if (length != 0) { 2979 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 2980 } else 2981 databuf = NULL; 2982 2983 2984 scsi_report_key(&ccb->csio, 2985 /* retries */ 1, 2986 /* cbfcnp */ cddone, 2987 /* tag_action */ MSG_SIMPLE_Q_TAG, 2988 /* lba */ lba, 2989 /* agid */ authinfo->agid, 2990 /* key_format */ authinfo->format, 2991 /* data_ptr */ databuf, 2992 /* dxfer_len */ length, 2993 /* sense_len */ SSD_FULL_SIZE, 2994 /* timeout */ 50000); 2995 2996 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2997 /*sense_flags*/SF_RETRY_UA); 2998 2999 if (error != 0) 3000 goto bailout; 3001 3002 if (ccb->csio.resid != 0) { 3003 xpt_print_path(periph->path); 3004 printf("warning, residual for report key command is %d\n", 3005 ccb->csio.resid); 3006 } 3007 3008 switch(authinfo->format) { 3009 case DVD_REPORT_AGID: { 3010 struct scsi_report_key_data_agid *agid_data; 3011 3012 agid_data = (struct scsi_report_key_data_agid *)databuf; 3013 3014 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3015 RKD_AGID_SHIFT; 3016 break; 3017 } 3018 case DVD_REPORT_CHALLENGE: { 3019 struct scsi_report_key_data_challenge *chal_data; 3020 3021 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3022 3023 bcopy(chal_data->challenge_key, authinfo->keychal, 3024 min(sizeof(chal_data->challenge_key), 3025 sizeof(authinfo->keychal))); 3026 break; 3027 } 3028 case DVD_REPORT_KEY1: { 3029 struct scsi_report_key_data_key1_key2 *key1_data; 3030 3031 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3032 3033 bcopy(key1_data->key1, authinfo->keychal, 3034 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3035 break; 3036 } 3037 case DVD_REPORT_TITLE_KEY: { 3038 struct scsi_report_key_data_title *title_data; 3039 3040 title_data = (struct scsi_report_key_data_title *)databuf; 3041 3042 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3043 RKD_TITLE_CPM_SHIFT; 3044 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3045 RKD_TITLE_CP_SEC_SHIFT; 3046 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3047 RKD_TITLE_CMGS_SHIFT; 3048 bcopy(title_data->title_key, authinfo->keychal, 3049 min(sizeof(title_data->title_key), 3050 sizeof(authinfo->keychal))); 3051 break; 3052 } 3053 case DVD_REPORT_ASF: { 3054 struct scsi_report_key_data_asf *asf_data; 3055 3056 asf_data = (struct scsi_report_key_data_asf *)databuf; 3057 3058 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3059 break; 3060 } 3061 case DVD_REPORT_RPC: { 3062 struct scsi_report_key_data_rpc *rpc_data; 3063 3064 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3065 3066 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3067 RKD_RPC_TYPE_SHIFT; 3068 authinfo->vend_rsts = 3069 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3070 RKD_RPC_VENDOR_RESET_SHIFT; 3071 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3072 authinfo->region = rpc_data->region_mask; 3073 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3074 break; 3075 } 3076 case DVD_INVALIDATE_AGID: 3077 break; 3078 default: 3079 /* This should be impossible, since we checked above */ 3080 error = EINVAL; 3081 goto bailout; 3082 break; /* NOTREACHED */ 3083 } 3084bailout: 3085 if (databuf != NULL) 3086 free(databuf, M_DEVBUF); 3087 3088 xpt_release_ccb(ccb); 3089 3090 return(error); 3091} 3092 3093static int 3094cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3095{ 3096 union ccb *ccb; 3097 u_int8_t *databuf; 3098 int length; 3099 int error; 3100 3101 error = 0; 3102 databuf = NULL; 3103 3104 ccb = cdgetccb(periph, /* priority */ 1); 3105 3106 switch(authinfo->format) { 3107 case DVD_SEND_CHALLENGE: { 3108 struct scsi_report_key_data_challenge *challenge_data; 3109 3110 length = sizeof(*challenge_data); 3111 3112 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3113 3114 databuf = (u_int8_t *)challenge_data; 3115 3116 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3117 challenge_data->data_len); 3118 3119 bcopy(authinfo->keychal, challenge_data->challenge_key, 3120 min(sizeof(authinfo->keychal), 3121 sizeof(challenge_data->challenge_key))); 3122 break; 3123 } 3124 case DVD_SEND_KEY2: { 3125 struct scsi_report_key_data_key1_key2 *key2_data; 3126 3127 length = sizeof(*key2_data); 3128 3129 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3130 3131 databuf = (u_int8_t *)key2_data; 3132 3133 scsi_ulto2b(length - sizeof(key2_data->data_len), 3134 key2_data->data_len); 3135 3136 bcopy(authinfo->keychal, key2_data->key1, 3137 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3138 3139 break; 3140 } 3141 case DVD_SEND_RPC: { 3142 struct scsi_send_key_data_rpc *rpc_data; 3143 3144 length = sizeof(*rpc_data); 3145 3146 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3147 3148 databuf = (u_int8_t *)rpc_data; 3149 3150 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3151 rpc_data->data_len); 3152 3153 rpc_data->region_code = authinfo->region; 3154 break; 3155 } 3156 default: 3157 error = EINVAL; 3158 goto bailout; 3159 break; /* NOTREACHED */ 3160 } 3161 3162 scsi_send_key(&ccb->csio, 3163 /* retries */ 1, 3164 /* cbfcnp */ cddone, 3165 /* tag_action */ MSG_SIMPLE_Q_TAG, 3166 /* agid */ authinfo->agid, 3167 /* key_format */ authinfo->format, 3168 /* data_ptr */ databuf, 3169 /* dxfer_len */ length, 3170 /* sense_len */ SSD_FULL_SIZE, 3171 /* timeout */ 50000); 3172 3173 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3174 /*sense_flags*/SF_RETRY_UA); 3175 3176bailout: 3177 3178 if (databuf != NULL) 3179 free(databuf, M_DEVBUF); 3180 3181 xpt_release_ccb(ccb); 3182 3183 return(error); 3184} 3185 3186static int 3187cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3188{ 3189 union ccb *ccb; 3190 u_int8_t *databuf; 3191 u_int32_t address; 3192 int error; 3193 int length; 3194 3195 error = 0; 3196 databuf = NULL; 3197 /* The address is reserved for many of the formats */ 3198 address = 0; 3199 3200 ccb = cdgetccb(periph, /* priority */ 1); 3201 3202 switch(dvdstruct->format) { 3203 case DVD_STRUCT_PHYSICAL: 3204 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3205 break; 3206 case DVD_STRUCT_COPYRIGHT: 3207 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3208 break; 3209 case DVD_STRUCT_DISCKEY: 3210 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3211 break; 3212 case DVD_STRUCT_BCA: 3213 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3214 break; 3215 case DVD_STRUCT_MANUFACT: 3216 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3217 break; 3218 case DVD_STRUCT_CMI: 3219 error = ENODEV; 3220 goto bailout; 3221#ifdef notyet 3222 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3223 address = dvdstruct->address; 3224#endif 3225 break; /* NOTREACHED */ 3226 case DVD_STRUCT_PROTDISCID: 3227 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3228 break; 3229 case DVD_STRUCT_DISCKEYBLOCK: 3230 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3231 break; 3232 case DVD_STRUCT_DDS: 3233 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3234 break; 3235 case DVD_STRUCT_MEDIUM_STAT: 3236 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3237 break; 3238 case DVD_STRUCT_SPARE_AREA: 3239 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3240 break; 3241 case DVD_STRUCT_RMD_LAST: 3242 error = ENODEV; 3243 goto bailout; 3244#ifdef notyet 3245 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3246 address = dvdstruct->address; 3247#endif 3248 break; /* NOTREACHED */ 3249 case DVD_STRUCT_RMD_RMA: 3250 error = ENODEV; 3251 goto bailout; 3252#ifdef notyet 3253 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3254 address = dvdstruct->address; 3255#endif 3256 break; /* NOTREACHED */ 3257 case DVD_STRUCT_PRERECORDED: 3258 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3259 break; 3260 case DVD_STRUCT_UNIQUEID: 3261 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3262 break; 3263 case DVD_STRUCT_DCB: 3264 error = ENODEV; 3265 goto bailout; 3266#ifdef notyet 3267 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3268 address = dvdstruct->address; 3269#endif 3270 break; /* NOTREACHED */ 3271 case DVD_STRUCT_LIST: 3272 /* 3273 * This is the maximum allocation length for the READ DVD 3274 * STRUCTURE command. There's nothing in the MMC3 spec 3275 * that indicates a limit in the amount of data that can 3276 * be returned from this call, other than the limits 3277 * imposed by the 2-byte length variables. 3278 */ 3279 length = 65535; 3280 break; 3281 default: 3282 error = EINVAL; 3283 goto bailout; 3284 break; /* NOTREACHED */ 3285 } 3286 3287 if (length != 0) { 3288 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3289 } else 3290 databuf = NULL; 3291 3292 scsi_read_dvd_structure(&ccb->csio, 3293 /* retries */ 1, 3294 /* cbfcnp */ cddone, 3295 /* tag_action */ MSG_SIMPLE_Q_TAG, 3296 /* lba */ address, 3297 /* layer_number */ dvdstruct->layer_num, 3298 /* key_format */ dvdstruct->format, 3299 /* agid */ dvdstruct->agid, 3300 /* data_ptr */ databuf, 3301 /* dxfer_len */ length, 3302 /* sense_len */ SSD_FULL_SIZE, 3303 /* timeout */ 50000); 3304 3305 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3306 /*sense_flags*/SF_RETRY_UA); 3307 3308 if (error != 0) 3309 goto bailout; 3310 3311 switch(dvdstruct->format) { 3312 case DVD_STRUCT_PHYSICAL: { 3313 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3314 struct dvd_layer *outlayer; 3315 struct scsi_read_dvd_struct_data_physical *phys_data; 3316 3317 phys_data = 3318 (struct scsi_read_dvd_struct_data_physical *)databuf; 3319 inlayer = &phys_data->layer_desc; 3320 outlayer = (struct dvd_layer *)&dvdstruct->data; 3321 3322 dvdstruct->length = sizeof(*inlayer); 3323 3324 outlayer->book_type = (inlayer->book_type_version & 3325 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3326 outlayer->book_version = (inlayer->book_type_version & 3327 RDSD_BOOK_VERSION_MASK); 3328 outlayer->disc_size = (inlayer->disc_size_max_rate & 3329 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3330 outlayer->max_rate = (inlayer->disc_size_max_rate & 3331 RDSD_MAX_RATE_MASK); 3332 outlayer->nlayers = (inlayer->layer_info & 3333 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3334 outlayer->track_path = (inlayer->layer_info & 3335 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3336 outlayer->layer_type = (inlayer->layer_info & 3337 RDSD_LAYER_TYPE_MASK); 3338 outlayer->linear_density = (inlayer->density & 3339 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3340 outlayer->track_density = (inlayer->density & 3341 RDSD_TRACK_DENSITY_MASK); 3342 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3343 RDSD_BCA_SHIFT; 3344 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3345 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3346 outlayer->end_sector_l0 = 3347 scsi_3btoul(inlayer->end_sector_layer0); 3348 break; 3349 } 3350 case DVD_STRUCT_COPYRIGHT: { 3351 struct scsi_read_dvd_struct_data_copyright *copy_data; 3352 3353 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3354 databuf; 3355 3356 dvdstruct->cpst = copy_data->cps_type; 3357 dvdstruct->rmi = copy_data->region_info; 3358 dvdstruct->length = 0; 3359 3360 break; 3361 } 3362 default: 3363 /* 3364 * Tell the user what the overall length is, no matter 3365 * what we can actually fit in the data buffer. 3366 */ 3367 dvdstruct->length = length - ccb->csio.resid - 3368 sizeof(struct scsi_read_dvd_struct_data_header); 3369 3370 /* 3371 * But only actually copy out the smaller of what we read 3372 * in or what the structure can take. 3373 */ 3374 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3375 dvdstruct->data, 3376 min(sizeof(dvdstruct->data), dvdstruct->length)); 3377 break; 3378 } 3379bailout: 3380 3381 if (databuf != NULL) 3382 free(databuf, M_DEVBUF); 3383 3384 xpt_release_ccb(ccb); 3385 3386 return(error); 3387} 3388 3389void 3390scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3391 void (*cbfcnp)(struct cam_periph *, union ccb *), 3392 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3393 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3394 u_int8_t sense_len, u_int32_t timeout) 3395{ 3396 struct scsi_report_key *scsi_cmd; 3397 3398 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3399 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3400 scsi_cmd->opcode = REPORT_KEY; 3401 scsi_ulto4b(lba, scsi_cmd->lba); 3402 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3403 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3404 (key_format & RK_KF_KEYFORMAT_MASK); 3405 3406 cam_fill_csio(csio, 3407 retries, 3408 cbfcnp, 3409 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3410 tag_action, 3411 /*data_ptr*/ data_ptr, 3412 /*dxfer_len*/ dxfer_len, 3413 sense_len, 3414 sizeof(*scsi_cmd), 3415 timeout); 3416} 3417 3418void 3419scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3420 void (*cbfcnp)(struct cam_periph *, union ccb *), 3421 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3422 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3423 u_int32_t timeout) 3424{ 3425 struct scsi_send_key *scsi_cmd; 3426 3427 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3428 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3429 scsi_cmd->opcode = SEND_KEY; 3430 3431 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3432 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3433 (key_format & RK_KF_KEYFORMAT_MASK); 3434 3435 cam_fill_csio(csio, 3436 retries, 3437 cbfcnp, 3438 /*flags*/ CAM_DIR_OUT, 3439 tag_action, 3440 /*data_ptr*/ data_ptr, 3441 /*dxfer_len*/ dxfer_len, 3442 sense_len, 3443 sizeof(*scsi_cmd), 3444 timeout); 3445} 3446 3447 3448void 3449scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3450 void (*cbfcnp)(struct cam_periph *, union ccb *), 3451 u_int8_t tag_action, u_int32_t address, 3452 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3453 u_int8_t *data_ptr, u_int32_t dxfer_len, 3454 u_int8_t sense_len, u_int32_t timeout) 3455{ 3456 struct scsi_read_dvd_structure *scsi_cmd; 3457 3458 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3459 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3460 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3461 3462 scsi_ulto4b(address, scsi_cmd->address); 3463 scsi_cmd->layer_number = layer_number; 3464 scsi_cmd->format = format; 3465 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3466 /* The AGID is the top two bits of this byte */ 3467 scsi_cmd->agid = agid << 6; 3468 3469 cam_fill_csio(csio, 3470 retries, 3471 cbfcnp, 3472 /*flags*/ CAM_DIR_IN, 3473 tag_action, 3474 /*data_ptr*/ data_ptr, 3475 /*dxfer_len*/ dxfer_len, 3476 sense_len, 3477 sizeof(*scsi_cmd), 3478 timeout); 3479} 3480