scsi_cd.c revision 111119
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 111119 2003-02-19 05:47:46Z imp $ 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/cdrio.h> 60#include <sys/dvdio.h> 61#include <sys/devicestat.h> 62#include <sys/sysctl.h> 63 64#include <cam/cam.h> 65#include <cam/cam_ccb.h> 66#include <cam/cam_periph.h> 67#include <cam/cam_xpt_periph.h> 68#include <cam/cam_queue.h> 69 70#include <cam/scsi/scsi_message.h> 71#include <cam/scsi/scsi_da.h> 72#include <cam/scsi/scsi_cd.h> 73 74#define LEADOUT 0xaa /* leadout toc entry */ 75 76struct cd_params { 77 u_int32_t blksize; 78 u_long disksize; 79}; 80 81typedef enum { 82 CD_Q_NONE = 0x00, 83 CD_Q_NO_TOUCH = 0x01, 84 CD_Q_BCD_TRACKS = 0x02, 85 CD_Q_NO_CHANGER = 0x04, 86 CD_Q_CHANGER = 0x08 87} cd_quirks; 88 89typedef enum { 90 CD_FLAG_INVALID = 0x001, 91 CD_FLAG_NEW_DISC = 0x002, 92 CD_FLAG_DISC_LOCKED = 0x004, 93 CD_FLAG_DISC_REMOVABLE = 0x008, 94 CD_FLAG_TAGGED_QUEUING = 0x010, 95 CD_FLAG_CHANGER = 0x040, 96 CD_FLAG_ACTIVE = 0x080, 97 CD_FLAG_SCHED_ON_COMP = 0x100, 98 CD_FLAG_RETRY_UA = 0x200 99} cd_flags; 100 101typedef enum { 102 CD_CCB_PROBE = 0x01, 103 CD_CCB_BUFFER_IO = 0x02, 104 CD_CCB_WAITING = 0x03, 105 CD_CCB_TYPE_MASK = 0x0F, 106 CD_CCB_RETRY_UA = 0x10 107} cd_ccb_state; 108 109typedef enum { 110 CHANGER_TIMEOUT_SCHED = 0x01, 111 CHANGER_SHORT_TMOUT_SCHED = 0x02, 112 CHANGER_MANUAL_CALL = 0x04, 113 CHANGER_NEED_TIMEOUT = 0x08 114} cd_changer_flags; 115 116#define ccb_state ppriv_field0 117#define ccb_bp ppriv_ptr1 118 119typedef enum { 120 CD_STATE_PROBE, 121 CD_STATE_NORMAL 122} cd_state; 123 124struct cd_softc { 125 cam_pinfo pinfo; 126 cd_state state; 127 volatile cd_flags flags; 128 struct bio_queue_head bio_queue; 129 LIST_HEAD(, ccb_hdr) pending_ccbs; 130 struct cd_params params; 131 union ccb saved_ccb; 132 cd_quirks quirks; 133 struct devstat device_stats; 134 STAILQ_ENTRY(cd_softc) changer_links; 135 struct cdchanger *changer; 136 int bufs_left; 137 struct cam_periph *periph; 138 dev_t dev; 139 eventhandler_tag clonetag; 140}; 141 142struct cd_quirk_entry { 143 struct scsi_inquiry_pattern inq_pat; 144 cd_quirks quirks; 145}; 146 147/* 148 * These quirk entries aren't strictly necessary. Basically, what they do 149 * is tell cdregister() up front that a device is a changer. Otherwise, it 150 * will figure that fact out once it sees a LUN on the device that is 151 * greater than 0. If it is known up front that a device is a changer, all 152 * I/O to the device will go through the changer scheduling routines, as 153 * opposed to the "normal" CD code. 154 */ 155static struct cd_quirk_entry cd_quirk_table[] = 156{ 157 { 158 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 159 /*quirks*/ CD_Q_CHANGER 160 }, 161 { 162 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 163 "*"}, /* quirks */ CD_Q_CHANGER 164 }, 165 { 166 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 167 /* quirks */ CD_Q_CHANGER 168 }, 169 { 170 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 171 /* quirks */ CD_Q_BCD_TRACKS 172 } 173}; 174 175#define CD_CDEV_MAJOR 15 176 177static d_open_t cdopen; 178static d_close_t cdclose; 179static d_ioctl_t cdioctl; 180static d_strategy_t cdstrategy; 181 182static periph_init_t cdinit; 183static periph_ctor_t cdregister; 184static periph_dtor_t cdcleanup; 185static periph_start_t cdstart; 186static periph_oninv_t cdoninvalidate; 187static void cdasync(void *callback_arg, u_int32_t code, 188 struct cam_path *path, void *arg); 189static void cdshorttimeout(void *arg); 190static void cdschedule(struct cam_periph *periph, int priority); 191static void cdrunchangerqueue(void *arg); 192static void cdchangerschedule(struct cd_softc *softc); 193static int cdrunccb(union ccb *ccb, 194 int (*error_routine)(union ccb *ccb, 195 u_int32_t cam_flags, 196 u_int32_t sense_flags), 197 u_int32_t cam_flags, u_int32_t sense_flags); 198static union ccb *cdgetccb(struct cam_periph *periph, 199 u_int32_t priority); 200static void cddone(struct cam_periph *periph, 201 union ccb *start_ccb); 202static int cderror(union ccb *ccb, u_int32_t cam_flags, 203 u_int32_t sense_flags); 204static void cdprevent(struct cam_periph *periph, int action); 205static int cdsize(dev_t dev, u_int32_t *size); 206static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 207 u_int32_t start, struct cd_toc_entry *data, 208 u_int32_t len); 209static int cdgetmode(struct cam_periph *periph, 210 struct cd_mode_data *data, u_int32_t page); 211static int cdsetmode(struct cam_periph *periph, 212 struct cd_mode_data *data); 213static int cdplay(struct cam_periph *periph, u_int32_t blk, 214 u_int32_t len); 215static int cdreadsubchannel(struct cam_periph *periph, 216 u_int32_t mode, u_int32_t format, 217 int track, 218 struct cd_sub_channel_info *data, 219 u_int32_t len); 220static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 221 u_int32_t starts, u_int32_t startf, 222 u_int32_t endm, u_int32_t ends, 223 u_int32_t endf); 224static int cdplaytracks(struct cam_periph *periph, 225 u_int32_t strack, u_int32_t sindex, 226 u_int32_t etrack, u_int32_t eindex); 227static int cdpause(struct cam_periph *periph, u_int32_t go); 228static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 229static int cdstartunit(struct cam_periph *periph); 230static int cdsetspeed(struct cam_periph *periph, 231 u_int32_t rdspeed, u_int32_t wrspeed); 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 299cdclone(void *arg, char *name, int namelen, dev_t *dev) 300{ 301 struct cd_softc *softc; 302 const char *p; 303 int l; 304 305 softc = arg; 306 p = devtoname(softc->dev); 307 l = strlen(p); 308 if (bcmp(name, p, l)) 309 return; 310 if (name[l] != 'a' && name[l] != 'c') 311 return; 312 if (name[l + 1] != '\0') 313 return; 314 *dev = softc->dev; 315 return; 316} 317 318static void 319cdinit(void) 320{ 321 cam_status status; 322 struct cam_path *path; 323 324 /* 325 * Install a global async callback. This callback will 326 * receive async callbacks like "new device found". 327 */ 328 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 329 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 330 331 if (status == CAM_REQ_CMP) { 332 struct ccb_setasync csa; 333 334 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 335 csa.ccb_h.func_code = XPT_SASYNC_CB; 336 csa.event_enable = AC_FOUND_DEVICE; 337 csa.callback = cdasync; 338 csa.callback_arg = NULL; 339 xpt_action((union ccb *)&csa); 340 status = csa.ccb_h.status; 341 xpt_free_path(path); 342 } 343 344 if (status != CAM_REQ_CMP) { 345 printf("cd: Failed to attach master async callback " 346 "due to status 0x%x!\n", status); 347 } 348} 349 350static void 351cdoninvalidate(struct cam_periph *periph) 352{ 353 int s; 354 struct cd_softc *softc; 355 struct bio *q_bp; 356 struct ccb_setasync csa; 357 358 softc = (struct cd_softc *)periph->softc; 359 360 /* 361 * De-register any async callbacks. 362 */ 363 xpt_setup_ccb(&csa.ccb_h, periph->path, 364 /* priority */ 5); 365 csa.ccb_h.func_code = XPT_SASYNC_CB; 366 csa.event_enable = 0; 367 csa.callback = cdasync; 368 csa.callback_arg = periph; 369 xpt_action((union ccb *)&csa); 370 371 softc->flags |= CD_FLAG_INVALID; 372 373 /* 374 * Although the oninvalidate() routines are always called at 375 * splsoftcam, we need to be at splbio() here to keep the buffer 376 * queue from being modified while we traverse it. 377 */ 378 s = splbio(); 379 380 /* 381 * Return all queued I/O with ENXIO. 382 * XXX Handle any transactions queued to the card 383 * with XPT_ABORT_CCB. 384 */ 385 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 386 bioq_remove(&softc->bio_queue, q_bp); 387 q_bp->bio_resid = q_bp->bio_bcount; 388 biofinish(q_bp, NULL, ENXIO); 389 } 390 splx(s); 391 392 /* 393 * If this device is part of a changer, and it was scheduled 394 * to run, remove it from the run queue since we just nuked 395 * all of its scheduled I/O. 396 */ 397 if ((softc->flags & CD_FLAG_CHANGER) 398 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 399 camq_remove(&softc->changer->devq, softc->pinfo.index); 400 401 xpt_print_path(periph->path); 402 printf("lost device\n"); 403} 404 405static void 406cdcleanup(struct cam_periph *periph) 407{ 408 struct cd_softc *softc; 409 int s; 410 411 softc = (struct cd_softc *)periph->softc; 412 413 xpt_print_path(periph->path); 414 printf("removing device entry\n"); 415 416 s = splsoftcam(); 417 /* 418 * In the queued, non-active case, the device in question 419 * has already been removed from the changer run queue. Since this 420 * device is active, we need to de-activate it, and schedule 421 * another device to run. (if there is another one to run) 422 */ 423 if ((softc->flags & CD_FLAG_CHANGER) 424 && (softc->flags & CD_FLAG_ACTIVE)) { 425 426 /* 427 * The purpose of the short timeout is soley to determine 428 * whether the current device has finished or not. Well, 429 * since we're removing the active device, we know that it 430 * is finished. So, get rid of the short timeout. 431 * Otherwise, if we're in the time period before the short 432 * timeout fires, and there are no other devices in the 433 * queue to run, there won't be any other device put in the 434 * active slot. i.e., when we call cdrunchangerqueue() 435 * below, it won't do anything. Then, when the short 436 * timeout fires, it'll look at the "current device", which 437 * we are free below, and possibly panic the kernel on a 438 * bogus pointer reference. 439 * 440 * The long timeout doesn't really matter, since we 441 * decrement the qfrozen_cnt to indicate that there is 442 * nothing in the active slot now. Therefore, there won't 443 * be any bogus pointer references there. 444 */ 445 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 446 untimeout(cdshorttimeout, softc->changer, 447 softc->changer->short_handle); 448 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 449 } 450 softc->changer->devq.qfrozen_cnt--; 451 softc->changer->flags |= CHANGER_MANUAL_CALL; 452 cdrunchangerqueue(softc->changer); 453 } 454 455 /* 456 * If we're removing the last device on the changer, go ahead and 457 * remove the changer device structure. 458 */ 459 if ((softc->flags & CD_FLAG_CHANGER) 460 && (--softc->changer->num_devices == 0)) { 461 462 /* 463 * Theoretically, there shouldn't be any timeouts left, but 464 * I'm not completely sure that that will be the case. So, 465 * it won't hurt to check and see if there are any left. 466 */ 467 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 468 untimeout(cdrunchangerqueue, softc->changer, 469 softc->changer->long_handle); 470 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 471 } 472 473 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 474 untimeout(cdshorttimeout, softc->changer, 475 softc->changer->short_handle); 476 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 477 } 478 479 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 480 changer_links); 481 xpt_print_path(periph->path); 482 printf("removing changer entry\n"); 483 free(softc->changer, M_DEVBUF); 484 num_changers--; 485 } 486 devstat_remove_entry(&softc->device_stats); 487 destroy_dev(softc->dev); 488 EVENTHANDLER_DEREGISTER(dev_clone, softc->clonetag); 489 free(softc, M_DEVBUF); 490 splx(s); 491} 492 493static void 494cdasync(void *callback_arg, u_int32_t code, 495 struct cam_path *path, void *arg) 496{ 497 struct cam_periph *periph; 498 499 periph = (struct cam_periph *)callback_arg; 500 switch (code) { 501 case AC_FOUND_DEVICE: 502 { 503 struct ccb_getdev *cgd; 504 cam_status status; 505 506 cgd = (struct ccb_getdev *)arg; 507 if (cgd == NULL) 508 break; 509 510 if (SID_TYPE(&cgd->inq_data) != T_CDROM 511 && SID_TYPE(&cgd->inq_data) != T_WORM) 512 break; 513 514 /* 515 * Allocate a peripheral instance for 516 * this device and start the probe 517 * process. 518 */ 519 status = cam_periph_alloc(cdregister, cdoninvalidate, 520 cdcleanup, cdstart, 521 "cd", CAM_PERIPH_BIO, 522 cgd->ccb_h.path, cdasync, 523 AC_FOUND_DEVICE, cgd); 524 525 if (status != CAM_REQ_CMP 526 && status != CAM_REQ_INPROG) 527 printf("cdasync: Unable to attach new device " 528 "due to status 0x%x\n", status); 529 530 break; 531 } 532 case AC_SENT_BDR: 533 case AC_BUS_RESET: 534 { 535 struct cd_softc *softc; 536 struct ccb_hdr *ccbh; 537 int s; 538 539 softc = (struct cd_softc *)periph->softc; 540 s = splsoftcam(); 541 /* 542 * Don't fail on the expected unit attention 543 * that will occur. 544 */ 545 softc->flags |= CD_FLAG_RETRY_UA; 546 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 547 ccbh->ccb_state |= CD_CCB_RETRY_UA; 548 splx(s); 549 /* FALLTHROUGH */ 550 } 551 default: 552 cam_periph_async(periph, code, path, arg); 553 break; 554 } 555} 556 557static cam_status 558cdregister(struct cam_periph *periph, void *arg) 559{ 560 struct cd_softc *softc; 561 struct ccb_setasync csa; 562 struct ccb_getdev *cgd; 563 caddr_t match; 564 565 cgd = (struct ccb_getdev *)arg; 566 if (periph == NULL) { 567 printf("cdregister: periph was NULL!!\n"); 568 return(CAM_REQ_CMP_ERR); 569 } 570 if (cgd == NULL) { 571 printf("cdregister: no getdev CCB, can't register device\n"); 572 return(CAM_REQ_CMP_ERR); 573 } 574 575 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 576 577 if (softc == NULL) { 578 printf("cdregister: Unable to probe new device. " 579 "Unable to allocate softc\n"); 580 return(CAM_REQ_CMP_ERR); 581 } 582 583 bzero(softc, sizeof(*softc)); 584 LIST_INIT(&softc->pending_ccbs); 585 softc->state = CD_STATE_PROBE; 586 bioq_init(&softc->bio_queue); 587 if (SID_IS_REMOVABLE(&cgd->inq_data)) 588 softc->flags |= CD_FLAG_DISC_REMOVABLE; 589 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 590 softc->flags |= CD_FLAG_TAGGED_QUEUING; 591 592 periph->softc = softc; 593 softc->periph = periph; 594 595 /* 596 * See if this device has any quirks. 597 */ 598 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 599 (caddr_t)cd_quirk_table, 600 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 601 sizeof(*cd_quirk_table), scsi_inquiry_match); 602 603 if (match != NULL) 604 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 605 else 606 softc->quirks = CD_Q_NONE; 607 608 /* 609 * We need to register the statistics structure for this device, 610 * but we don't have the blocksize yet for it. So, we register 611 * the structure and indicate that we don't have the blocksize 612 * yet. Unlike other SCSI peripheral drivers, we explicitly set 613 * the device type here to be CDROM, rather than just ORing in 614 * the device type. This is because this driver can attach to either 615 * CDROM or WORM devices, and we want this peripheral driver to 616 * show up in the devstat list as a CD peripheral driver, not a 617 * WORM peripheral driver. WORM drives will also have the WORM 618 * driver attached to them. 619 */ 620 devstat_add_entry(&softc->device_stats, "cd", 621 periph->unit_number, 0, 622 DEVSTAT_BS_UNAVAILABLE, 623 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 624 DEVSTAT_PRIORITY_CD); 625 softc->dev = make_dev(&cd_cdevsw, periph->unit_number, 626 UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number); 627 softc->dev->si_drv1 = periph; 628 softc->clonetag = 629 EVENTHANDLER_REGISTER(dev_clone, cdclone, softc, 1000); 630 631 /* 632 * Add an async callback so that we get 633 * notified if this device goes away. 634 */ 635 xpt_setup_ccb(&csa.ccb_h, periph->path, 636 /* priority */ 5); 637 csa.ccb_h.func_code = XPT_SASYNC_CB; 638 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 639 csa.callback = cdasync; 640 csa.callback_arg = periph; 641 xpt_action((union ccb *)&csa); 642 643 /* 644 * If the target lun is greater than 0, we most likely have a CD 645 * changer device. Check the quirk entries as well, though, just 646 * in case someone has a CD tower with one lun per drive or 647 * something like that. Also, if we know up front that a 648 * particular device is a changer, we can mark it as such starting 649 * with lun 0, instead of lun 1. It shouldn't be necessary to have 650 * a quirk entry to define something as a changer, however. 651 */ 652 if (((cgd->ccb_h.target_lun > 0) 653 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 654 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 655 struct cdchanger *nchanger; 656 struct cam_periph *nperiph; 657 struct cam_path *path; 658 cam_status status; 659 int found; 660 661 /* Set the changer flag in the current device's softc */ 662 softc->flags |= CD_FLAG_CHANGER; 663 664 if (num_changers == 0) 665 STAILQ_INIT(&changerq); 666 667 /* 668 * Now, look around for an existing changer device with the 669 * same path and target ID as the current device. 670 */ 671 for (found = 0, 672 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 673 nchanger != NULL; 674 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 675 if ((nchanger->path_id == cgd->ccb_h.path_id) 676 && (nchanger->target_id == cgd->ccb_h.target_id)) { 677 found = 1; 678 break; 679 } 680 } 681 682 /* 683 * If we found a matching entry, just add this device to 684 * the list of devices on this changer. 685 */ 686 if (found == 1) { 687 struct chdevlist *chlunhead; 688 689 chlunhead = &nchanger->chluns; 690 691 /* 692 * XXX KDM look at consolidating this code with the 693 * code below in a separate function. 694 */ 695 696 /* 697 * Create a path with lun id 0, and see if we can 698 * find a matching device 699 */ 700 status = xpt_create_path(&path, /*periph*/ periph, 701 cgd->ccb_h.path_id, 702 cgd->ccb_h.target_id, 0); 703 704 if ((status == CAM_REQ_CMP) 705 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 706 struct cd_softc *nsoftc; 707 708 nsoftc = (struct cd_softc *)nperiph->softc; 709 710 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 711 nsoftc->flags |= CD_FLAG_CHANGER; 712 nchanger->num_devices++; 713 if (camq_resize(&nchanger->devq, 714 nchanger->num_devices)!=CAM_REQ_CMP){ 715 printf("cdregister: " 716 "camq_resize " 717 "failed, changer " 718 "support may " 719 "be messed up\n"); 720 } 721 nsoftc->changer = nchanger; 722 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 723 724 STAILQ_INSERT_TAIL(&nchanger->chluns, 725 nsoftc,changer_links); 726 } 727 xpt_free_path(path); 728 } else if (status == CAM_REQ_CMP) 729 xpt_free_path(path); 730 else { 731 printf("cdregister: unable to allocate path\n" 732 "cdregister: changer support may be " 733 "broken\n"); 734 } 735 736 nchanger->num_devices++; 737 738 softc->changer = nchanger; 739 softc->pinfo.index = CAM_UNQUEUED_INDEX; 740 741 if (camq_resize(&nchanger->devq, 742 nchanger->num_devices) != CAM_REQ_CMP) { 743 printf("cdregister: camq_resize " 744 "failed, changer support may " 745 "be messed up\n"); 746 } 747 748 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 749 } 750 /* 751 * In this case, we don't already have an entry for this 752 * particular changer, so we need to create one, add it to 753 * the queue, and queue this device on the list for this 754 * changer. Before we queue this device, however, we need 755 * to search for lun id 0 on this target, and add it to the 756 * queue first, if it exists. (and if it hasn't already 757 * been marked as part of the changer.) 758 */ 759 else { 760 nchanger = malloc(sizeof(struct cdchanger), 761 M_DEVBUF, M_NOWAIT); 762 763 if (nchanger == NULL) { 764 softc->flags &= ~CD_FLAG_CHANGER; 765 printf("cdregister: unable to malloc " 766 "changer structure\ncdregister: " 767 "changer support disabled\n"); 768 769 /* 770 * Yes, gotos can be gross but in this case 771 * I think it's justified.. 772 */ 773 goto cdregisterexit; 774 } 775 776 /* zero the structure */ 777 bzero(nchanger, sizeof(struct cdchanger)); 778 779 if (camq_init(&nchanger->devq, 1) != 0) { 780 softc->flags &= ~CD_FLAG_CHANGER; 781 printf("cdregister: changer support " 782 "disabled\n"); 783 goto cdregisterexit; 784 } 785 786 num_changers++; 787 788 nchanger->path_id = cgd->ccb_h.path_id; 789 nchanger->target_id = cgd->ccb_h.target_id; 790 791 /* this is superfluous, but it makes things clearer */ 792 nchanger->num_devices = 0; 793 794 STAILQ_INIT(&nchanger->chluns); 795 796 STAILQ_INSERT_TAIL(&changerq, nchanger, 797 changer_links); 798 799 /* 800 * Create a path with lun id 0, and see if we can 801 * find a matching device 802 */ 803 status = xpt_create_path(&path, /*periph*/ periph, 804 cgd->ccb_h.path_id, 805 cgd->ccb_h.target_id, 0); 806 807 /* 808 * If we were able to allocate the path, and if we 809 * find a matching device and it isn't already 810 * marked as part of a changer, then we add it to 811 * the current changer. 812 */ 813 if ((status == CAM_REQ_CMP) 814 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 815 && ((((struct cd_softc *)periph->softc)->flags & 816 CD_FLAG_CHANGER) == 0)) { 817 struct cd_softc *nsoftc; 818 819 nsoftc = (struct cd_softc *)nperiph->softc; 820 821 nsoftc->flags |= CD_FLAG_CHANGER; 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 nsoftc->changer = nchanger; 830 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 831 832 STAILQ_INSERT_TAIL(&nchanger->chluns, 833 nsoftc, changer_links); 834 xpt_free_path(path); 835 } else if (status == CAM_REQ_CMP) 836 xpt_free_path(path); 837 else { 838 printf("cdregister: unable to allocate path\n" 839 "cdregister: changer support may be " 840 "broken\n"); 841 } 842 843 softc->changer = nchanger; 844 softc->pinfo.index = CAM_UNQUEUED_INDEX; 845 nchanger->num_devices++; 846 if (camq_resize(&nchanger->devq, 847 nchanger->num_devices) != CAM_REQ_CMP) { 848 printf("cdregister: camq_resize " 849 "failed, changer support may " 850 "be messed up\n"); 851 } 852 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 853 changer_links); 854 } 855 } 856 857cdregisterexit: 858 859 /* Lock this peripheral until we are setup */ 860 /* Can't block */ 861 cam_periph_lock(periph, PRIBIO); 862 863 if ((softc->flags & CD_FLAG_CHANGER) == 0) 864 xpt_schedule(periph, /*priority*/5); 865 else 866 cdschedule(periph, /*priority*/ 5); 867 868 return(CAM_REQ_CMP); 869} 870 871static int 872cdopen(dev_t dev, int flags, int fmt, struct thread *td) 873{ 874 struct cam_periph *periph; 875 struct cd_softc *softc; 876 u_int32_t size; 877 int error; 878 int s; 879 880 periph = (struct cam_periph *)dev->si_drv1; 881 if (periph == NULL) 882 return (ENXIO); 883 884 softc = (struct cd_softc *)periph->softc; 885 886 /* 887 * Grab splsoftcam and hold it until we lock the peripheral. 888 */ 889 s = splsoftcam(); 890 if (softc->flags & CD_FLAG_INVALID) { 891 splx(s); 892 return(ENXIO); 893 } 894 895 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 896 splx(s); 897 return (error); 898 } 899 900 splx(s); 901 902 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 903 return(ENXIO); 904 905 cdprevent(periph, PR_PREVENT); 906 907 /* find out the size */ 908 if ((error = cdsize(dev, &size)) != 0) { 909 cdprevent(periph, PR_ALLOW); 910 cam_periph_unlock(periph); 911 cam_periph_release(periph); 912 return(error); 913 } 914 915 /* 916 * We unconditionally (re)set the blocksize each time the 917 * CD device is opened. This is because the CD can change, 918 * and therefore the blocksize might change. 919 * XXX problems here if some slice or partition is still 920 * open with the old size? 921 */ 922 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 923 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 924 softc->device_stats.block_size = softc->params.blksize; 925 926 cam_periph_unlock(periph); 927 928 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 929 930 return (error); 931} 932 933static int 934cdclose(dev_t dev, int flag, int fmt, struct thread *td) 935{ 936 struct cam_periph *periph; 937 struct cd_softc *softc; 938 int error; 939 940 periph = (struct cam_periph *)dev->si_drv1; 941 if (periph == NULL) 942 return (ENXIO); 943 944 softc = (struct cd_softc *)periph->softc; 945 946 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 947 return (error); 948 949 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 950 cdprevent(periph, PR_ALLOW); 951 952 /* 953 * Since we're closing this CD, mark the blocksize as unavailable. 954 * It will be marked as available whence the CD is opened again. 955 */ 956 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 957 958 cam_periph_unlock(periph); 959 cam_periph_release(periph); 960 961 return (0); 962} 963 964static void 965cdshorttimeout(void *arg) 966{ 967 struct cdchanger *changer; 968 int s; 969 970 s = splsoftcam(); 971 972 changer = (struct cdchanger *)arg; 973 974 /* Always clear the short timeout flag, since that's what we're in */ 975 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 976 977 /* 978 * Check to see if there is any more pending or outstanding I/O for 979 * this device. If not, move it out of the active slot. 980 */ 981 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 982 && (changer->cur_device->device_stats.busy_count == 0)) { 983 changer->flags |= CHANGER_MANUAL_CALL; 984 cdrunchangerqueue(changer); 985 } 986 987 splx(s); 988} 989 990/* 991 * This is a wrapper for xpt_schedule. It only applies to changers. 992 */ 993static void 994cdschedule(struct cam_periph *periph, int priority) 995{ 996 struct cd_softc *softc; 997 int s; 998 999 s = splsoftcam(); 1000 1001 softc = (struct cd_softc *)periph->softc; 1002 1003 /* 1004 * If this device isn't currently queued, and if it isn't 1005 * the active device, then we queue this device and run the 1006 * changer queue if there is no timeout scheduled to do it. 1007 * If this device is the active device, just schedule it 1008 * to run again. If this device is queued, there should be 1009 * a timeout in place already that will make sure it runs. 1010 */ 1011 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1012 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1013 /* 1014 * We don't do anything with the priority here. 1015 * This is strictly a fifo queue. 1016 */ 1017 softc->pinfo.priority = 1; 1018 softc->pinfo.generation = ++softc->changer->devq.generation; 1019 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1020 1021 /* 1022 * Since we just put a device in the changer queue, 1023 * check and see if there is a timeout scheduled for 1024 * this changer. If so, let the timeout handle 1025 * switching this device into the active slot. If 1026 * not, manually call the timeout routine to 1027 * bootstrap things. 1028 */ 1029 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1030 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1031 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1032 softc->changer->flags |= CHANGER_MANUAL_CALL; 1033 cdrunchangerqueue(softc->changer); 1034 } 1035 } else if ((softc->flags & CD_FLAG_ACTIVE) 1036 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1037 xpt_schedule(periph, priority); 1038 1039 splx(s); 1040 1041} 1042 1043static void 1044cdrunchangerqueue(void *arg) 1045{ 1046 struct cd_softc *softc; 1047 struct cdchanger *changer; 1048 int called_from_timeout; 1049 int s; 1050 1051 s = splsoftcam(); 1052 1053 changer = (struct cdchanger *)arg; 1054 1055 /* 1056 * If we have NOT been called from cdstrategy() or cddone(), and 1057 * instead from a timeout routine, go ahead and clear the 1058 * timeout flag. 1059 */ 1060 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1061 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1062 called_from_timeout = 1; 1063 } else 1064 called_from_timeout = 0; 1065 1066 /* Always clear the manual call flag */ 1067 changer->flags &= ~CHANGER_MANUAL_CALL; 1068 1069 /* nothing to do if the queue is empty */ 1070 if (changer->devq.entries <= 0) { 1071 splx(s); 1072 return; 1073 } 1074 1075 /* 1076 * If the changer queue is frozen, that means we have an active 1077 * device. 1078 */ 1079 if (changer->devq.qfrozen_cnt > 0) { 1080 1081 if (changer->cur_device->device_stats.busy_count > 0) { 1082 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1083 changer->cur_device->bufs_left = 1084 changer->cur_device->device_stats.busy_count; 1085 if (called_from_timeout) { 1086 changer->long_handle = 1087 timeout(cdrunchangerqueue, changer, 1088 changer_max_busy_seconds * hz); 1089 changer->flags |= CHANGER_TIMEOUT_SCHED; 1090 } 1091 splx(s); 1092 return; 1093 } 1094 1095 /* 1096 * We always need to reset the frozen count and clear the 1097 * active flag. 1098 */ 1099 changer->devq.qfrozen_cnt--; 1100 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1101 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1102 1103 /* 1104 * Check to see whether the current device has any I/O left 1105 * to do. If so, requeue it at the end of the queue. If 1106 * not, there is no need to requeue it. 1107 */ 1108 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1109 1110 changer->cur_device->pinfo.generation = 1111 ++changer->devq.generation; 1112 camq_insert(&changer->devq, 1113 (cam_pinfo *)changer->cur_device); 1114 } 1115 } 1116 1117 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1118 1119 changer->cur_device = softc; 1120 1121 changer->devq.qfrozen_cnt++; 1122 softc->flags |= CD_FLAG_ACTIVE; 1123 1124 /* Just in case this device is waiting */ 1125 wakeup(&softc->changer); 1126 xpt_schedule(softc->periph, /*priority*/ 1); 1127 1128 /* 1129 * Get rid of any pending timeouts, and set a flag to schedule new 1130 * ones so this device gets its full time quantum. 1131 */ 1132 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1133 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1134 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1135 } 1136 1137 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1138 untimeout(cdshorttimeout, changer, changer->short_handle); 1139 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1140 } 1141 1142 /* 1143 * We need to schedule timeouts, but we only do this after the 1144 * first transaction has completed. This eliminates the changer 1145 * switch time. 1146 */ 1147 changer->flags |= CHANGER_NEED_TIMEOUT; 1148 1149 splx(s); 1150} 1151 1152static void 1153cdchangerschedule(struct cd_softc *softc) 1154{ 1155 struct cdchanger *changer; 1156 int s; 1157 1158 s = splsoftcam(); 1159 1160 changer = softc->changer; 1161 1162 /* 1163 * If this is a changer, and this is the current device, 1164 * and this device has at least the minimum time quantum to 1165 * run, see if we can switch it out. 1166 */ 1167 if ((softc->flags & CD_FLAG_ACTIVE) 1168 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1169 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1170 /* 1171 * We try three things here. The first is that we 1172 * check to see whether the schedule on completion 1173 * flag is set. If it is, we decrement the number 1174 * of buffers left, and if it's zero, we reschedule. 1175 * Next, we check to see whether the pending buffer 1176 * queue is empty and whether there are no 1177 * outstanding transactions. If so, we reschedule. 1178 * Next, we see if the pending buffer queue is empty. 1179 * If it is, we set the number of buffers left to 1180 * the current active buffer count and set the 1181 * schedule on complete flag. 1182 */ 1183 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1184 if (--softc->bufs_left == 0) { 1185 softc->changer->flags |= 1186 CHANGER_MANUAL_CALL; 1187 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1188 cdrunchangerqueue(softc->changer); 1189 } 1190 } else if ((bioq_first(&softc->bio_queue) == NULL) 1191 && (softc->device_stats.busy_count == 0)) { 1192 softc->changer->flags |= CHANGER_MANUAL_CALL; 1193 cdrunchangerqueue(softc->changer); 1194 } 1195 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1196 && (softc->flags & CD_FLAG_ACTIVE)) { 1197 1198 /* 1199 * Now that the first transaction to this 1200 * particular device has completed, we can go ahead 1201 * and schedule our timeouts. 1202 */ 1203 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1204 changer->long_handle = 1205 timeout(cdrunchangerqueue, changer, 1206 changer_max_busy_seconds * hz); 1207 changer->flags |= CHANGER_TIMEOUT_SCHED; 1208 } else 1209 printf("cdchangerschedule: already have a long" 1210 " timeout!\n"); 1211 1212 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1213 changer->short_handle = 1214 timeout(cdshorttimeout, changer, 1215 changer_min_busy_seconds * hz); 1216 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1217 } else 1218 printf("cdchangerschedule: already have a short " 1219 "timeout!\n"); 1220 1221 /* 1222 * We just scheduled timeouts, no need to schedule 1223 * more. 1224 */ 1225 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1226 1227 } 1228 splx(s); 1229} 1230 1231static int 1232cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1233 u_int32_t cam_flags, 1234 u_int32_t sense_flags), 1235 u_int32_t cam_flags, u_int32_t sense_flags) 1236{ 1237 struct cd_softc *softc; 1238 struct cam_periph *periph; 1239 int error; 1240 1241 periph = xpt_path_periph(ccb->ccb_h.path); 1242 softc = (struct cd_softc *)periph->softc; 1243 1244 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1245 &softc->device_stats); 1246 1247 if (softc->flags & CD_FLAG_CHANGER) 1248 cdchangerschedule(softc); 1249 1250 return(error); 1251} 1252 1253static union ccb * 1254cdgetccb(struct cam_periph *periph, u_int32_t priority) 1255{ 1256 struct cd_softc *softc; 1257 int s; 1258 1259 softc = (struct cd_softc *)periph->softc; 1260 1261 if (softc->flags & CD_FLAG_CHANGER) { 1262 1263 s = splsoftcam(); 1264 1265 /* 1266 * This should work the first time this device is woken up, 1267 * but just in case it doesn't, we use a while loop. 1268 */ 1269 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1270 /* 1271 * If this changer isn't already queued, queue it up. 1272 */ 1273 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1274 softc->pinfo.priority = 1; 1275 softc->pinfo.generation = 1276 ++softc->changer->devq.generation; 1277 camq_insert(&softc->changer->devq, 1278 (cam_pinfo *)softc); 1279 } 1280 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1281 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1282 && ((softc->changer->flags 1283 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1284 softc->changer->flags |= CHANGER_MANUAL_CALL; 1285 cdrunchangerqueue(softc->changer); 1286 } else 1287 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1288 } 1289 splx(s); 1290 } 1291 return(cam_periph_getccb(periph, priority)); 1292} 1293 1294 1295/* 1296 * Actually translate the requested transfer into one the physical driver 1297 * can understand. The transfer is described by a buf and will include 1298 * only one physical transfer. 1299 */ 1300static void 1301cdstrategy(struct bio *bp) 1302{ 1303 struct cam_periph *periph; 1304 struct cd_softc *softc; 1305 int s; 1306 1307 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1308 if (periph == NULL) { 1309 biofinish(bp, NULL, ENXIO); 1310 return; 1311 } 1312 1313 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1314 1315 softc = (struct cd_softc *)periph->softc; 1316 1317 /* 1318 * Mask interrupts so that the pack cannot be invalidated until 1319 * after we are in the queue. Otherwise, we might not properly 1320 * clean up one of the buffers. 1321 */ 1322 s = splbio(); 1323 1324 /* 1325 * If the device has been made invalid, error out 1326 */ 1327 if ((softc->flags & CD_FLAG_INVALID)) { 1328 splx(s); 1329 biofinish(bp, NULL, ENXIO); 1330 return; 1331 } 1332 1333 /* 1334 * Place it in the queue of disk activities for this disk 1335 */ 1336 bioqdisksort(&softc->bio_queue, bp); 1337 1338 splx(s); 1339 1340 /* 1341 * Schedule ourselves for performing the work. We do things 1342 * differently for changers. 1343 */ 1344 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1345 xpt_schedule(periph, /* XXX priority */1); 1346 else 1347 cdschedule(periph, /* priority */ 1); 1348 1349 return; 1350} 1351 1352static void 1353cdstart(struct cam_periph *periph, union ccb *start_ccb) 1354{ 1355 struct cd_softc *softc; 1356 struct bio *bp; 1357 struct ccb_scsiio *csio; 1358 struct scsi_read_capacity_data *rcap; 1359 int s; 1360 1361 softc = (struct cd_softc *)periph->softc; 1362 1363 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1364 1365 switch (softc->state) { 1366 case CD_STATE_NORMAL: 1367 { 1368 int oldspl; 1369 1370 s = splbio(); 1371 bp = bioq_first(&softc->bio_queue); 1372 if (periph->immediate_priority <= periph->pinfo.priority) { 1373 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1374 1375 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1376 periph_links.sle); 1377 periph->immediate_priority = CAM_PRIORITY_NONE; 1378 splx(s); 1379 wakeup(&periph->ccb_list); 1380 } else if (bp == NULL) { 1381 splx(s); 1382 xpt_release_ccb(start_ccb); 1383 } else { 1384 bioq_remove(&softc->bio_queue, bp); 1385 1386 devstat_start_transaction(&softc->device_stats); 1387 1388 scsi_read_write(&start_ccb->csio, 1389 /*retries*/4, 1390 /* cbfcnp */ cddone, 1391 MSG_SIMPLE_Q_TAG, 1392 /* read */bp->bio_cmd == BIO_READ, 1393 /* byte2 */ 0, 1394 /* minimum_cmd_size */ 10, 1395 /* lba */ bp->bio_blkno / 1396 (softc->params.blksize / DEV_BSIZE), 1397 bp->bio_bcount / softc->params.blksize, 1398 /* data_ptr */ bp->bio_data, 1399 /* dxfer_len */ bp->bio_bcount, 1400 /* sense_len */ SSD_FULL_SIZE, 1401 /* timeout */ 30000); 1402 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1403 1404 1405 /* 1406 * Block out any asyncronous callbacks 1407 * while we touch the pending ccb list. 1408 */ 1409 oldspl = splcam(); 1410 LIST_INSERT_HEAD(&softc->pending_ccbs, 1411 &start_ccb->ccb_h, periph_links.le); 1412 splx(oldspl); 1413 1414 /* We expect a unit attention from this device */ 1415 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1416 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1417 softc->flags &= ~CD_FLAG_RETRY_UA; 1418 } 1419 1420 start_ccb->ccb_h.ccb_bp = bp; 1421 bp = bioq_first(&softc->bio_queue); 1422 splx(s); 1423 1424 xpt_action(start_ccb); 1425 } 1426 if (bp != NULL) { 1427 /* Have more work to do, so ensure we stay scheduled */ 1428 xpt_schedule(periph, /* XXX priority */1); 1429 } 1430 break; 1431 } 1432 case CD_STATE_PROBE: 1433 { 1434 1435 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1436 M_TEMP, 1437 M_NOWAIT); 1438 if (rcap == NULL) { 1439 xpt_print_path(periph->path); 1440 printf("cdstart: Couldn't malloc read_capacity data\n"); 1441 /* cd_free_periph??? */ 1442 break; 1443 } 1444 csio = &start_ccb->csio; 1445 scsi_read_capacity(csio, 1446 /*retries*/1, 1447 cddone, 1448 MSG_SIMPLE_Q_TAG, 1449 rcap, 1450 SSD_FULL_SIZE, 1451 /*timeout*/20000); 1452 start_ccb->ccb_h.ccb_bp = NULL; 1453 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1454 xpt_action(start_ccb); 1455 break; 1456 } 1457 } 1458} 1459 1460static void 1461cddone(struct cam_periph *periph, union ccb *done_ccb) 1462{ 1463 struct cd_softc *softc; 1464 struct ccb_scsiio *csio; 1465 1466 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1467 1468 softc = (struct cd_softc *)periph->softc; 1469 csio = &done_ccb->csio; 1470 1471 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1472 case CD_CCB_BUFFER_IO: 1473 { 1474 struct bio *bp; 1475 int error; 1476 int oldspl; 1477 1478 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1479 error = 0; 1480 1481 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1482 int sf; 1483 1484 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1485 sf = SF_RETRY_UA; 1486 else 1487 sf = 0; 1488 1489 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1490 if (error == ERESTART) { 1491 /* 1492 * A retry was scheuled, so 1493 * just return. 1494 */ 1495 return; 1496 } 1497 } 1498 1499 if (error != 0) { 1500 int s; 1501 struct bio *q_bp; 1502 1503 xpt_print_path(periph->path); 1504 printf("cddone: got error %#x back\n", error); 1505 s = splbio(); 1506 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1507 bioq_remove(&softc->bio_queue, q_bp); 1508 q_bp->bio_resid = q_bp->bio_bcount; 1509 biofinish(q_bp, NULL, EIO); 1510 } 1511 splx(s); 1512 bp->bio_resid = bp->bio_bcount; 1513 bp->bio_error = error; 1514 bp->bio_flags |= BIO_ERROR; 1515 cam_release_devq(done_ccb->ccb_h.path, 1516 /*relsim_flags*/0, 1517 /*reduction*/0, 1518 /*timeout*/0, 1519 /*getcount_only*/0); 1520 1521 } else { 1522 bp->bio_resid = csio->resid; 1523 bp->bio_error = 0; 1524 if (bp->bio_resid != 0) { 1525 /* 1526 * Short transfer ??? 1527 * XXX: not sure this is correct for partial 1528 * transfers at EOM 1529 */ 1530 bp->bio_flags |= BIO_ERROR; 1531 } 1532 } 1533 1534 /* 1535 * Block out any asyncronous callbacks 1536 * while we touch the pending ccb list. 1537 */ 1538 oldspl = splcam(); 1539 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1540 splx(oldspl); 1541 1542 if (softc->flags & CD_FLAG_CHANGER) 1543 cdchangerschedule(softc); 1544 1545 biofinish(bp, &softc->device_stats, 0); 1546 break; 1547 } 1548 case CD_CCB_PROBE: 1549 { 1550 struct scsi_read_capacity_data *rdcap; 1551 char announce_buf[120]; /* 1552 * Currently (9/30/97) the 1553 * longest possible announce 1554 * buffer is 108 bytes, for the 1555 * first error case below. 1556 * That is 39 bytes for the 1557 * basic string, 16 bytes for the 1558 * biggest sense key (hardware 1559 * error), 52 bytes for the 1560 * text of the largest sense 1561 * qualifier valid for a CDROM, 1562 * (0x72, 0x03 or 0x04, 1563 * 0x03), and one byte for the 1564 * null terminating character. 1565 * To allow for longer strings, 1566 * the announce buffer is 120 1567 * bytes. 1568 */ 1569 struct cd_params *cdp; 1570 1571 cdp = &softc->params; 1572 1573 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1574 1575 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1576 cdp->blksize = scsi_4btoul (rdcap->length); 1577 1578 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1579 1580 snprintf(announce_buf, sizeof(announce_buf), 1581 "cd present [%lu x %lu byte records]", 1582 cdp->disksize, (u_long)cdp->blksize); 1583 1584 } else { 1585 int error; 1586 /* 1587 * Retry any UNIT ATTENTION type errors. They 1588 * are expected at boot. 1589 */ 1590 error = cderror(done_ccb, CAM_RETRY_SELTO, 1591 SF_RETRY_UA | SF_NO_PRINT); 1592 if (error == ERESTART) { 1593 /* 1594 * A retry was scheuled, so 1595 * just return. 1596 */ 1597 return; 1598 } else if (error != 0) { 1599 1600 struct scsi_sense_data *sense; 1601 int asc, ascq; 1602 int sense_key, error_code; 1603 int have_sense; 1604 cam_status status; 1605 struct ccb_getdev cgd; 1606 1607 /* Don't wedge this device's queue */ 1608 cam_release_devq(done_ccb->ccb_h.path, 1609 /*relsim_flags*/0, 1610 /*reduction*/0, 1611 /*timeout*/0, 1612 /*getcount_only*/0); 1613 1614 status = done_ccb->ccb_h.status; 1615 1616 xpt_setup_ccb(&cgd.ccb_h, 1617 done_ccb->ccb_h.path, 1618 /* priority */ 1); 1619 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1620 xpt_action((union ccb *)&cgd); 1621 1622 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1623 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1624 || ((status & CAM_AUTOSNS_VALID) == 0)) 1625 have_sense = FALSE; 1626 else 1627 have_sense = TRUE; 1628 1629 if (have_sense) { 1630 sense = &csio->sense_data; 1631 scsi_extract_sense(sense, &error_code, 1632 &sense_key, 1633 &asc, &ascq); 1634 } 1635 /* 1636 * Attach to anything that claims to be a 1637 * CDROM or WORM device, as long as it 1638 * doesn't return a "Logical unit not 1639 * supported" (0x25) error. 1640 */ 1641 if ((have_sense) && (asc != 0x25) 1642 && (error_code == SSD_CURRENT_ERROR)) { 1643 const char *sense_key_desc; 1644 const char *asc_desc; 1645 1646 scsi_sense_desc(sense_key, asc, ascq, 1647 &cgd.inq_data, 1648 &sense_key_desc, 1649 &asc_desc); 1650 snprintf(announce_buf, 1651 sizeof(announce_buf), 1652 "Attempt to query device " 1653 "size failed: %s, %s", 1654 sense_key_desc, 1655 asc_desc); 1656 } else if ((have_sense == 0) 1657 && ((status & CAM_STATUS_MASK) == 1658 CAM_SCSI_STATUS_ERROR) 1659 && (csio->scsi_status == 1660 SCSI_STATUS_BUSY)) { 1661 snprintf(announce_buf, 1662 sizeof(announce_buf), 1663 "Attempt to query device " 1664 "size failed: SCSI Status: %s", 1665 scsi_status_string(csio)); 1666 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1667 /* 1668 * We only print out an error for 1669 * CDROM type devices. For WORM 1670 * devices, we don't print out an 1671 * error since a few WORM devices 1672 * don't support CDROM commands. 1673 * If we have sense information, go 1674 * ahead and print it out. 1675 * Otherwise, just say that we 1676 * couldn't attach. 1677 */ 1678 1679 /* 1680 * Just print out the error, not 1681 * the full probe message, when we 1682 * don't attach. 1683 */ 1684 if (have_sense) 1685 scsi_sense_print( 1686 &done_ccb->csio); 1687 else { 1688 xpt_print_path(periph->path); 1689 printf("got CAM status %#x\n", 1690 done_ccb->ccb_h.status); 1691 } 1692 xpt_print_path(periph->path); 1693 printf("fatal error, failed" 1694 " to attach to device\n"); 1695 1696 /* 1697 * Invalidate this peripheral. 1698 */ 1699 cam_periph_invalidate(periph); 1700 1701 announce_buf[0] = '\0'; 1702 } else { 1703 1704 /* 1705 * Invalidate this peripheral. 1706 */ 1707 cam_periph_invalidate(periph); 1708 announce_buf[0] = '\0'; 1709 } 1710 } 1711 } 1712 free(rdcap, M_TEMP); 1713 if (announce_buf[0] != '\0') { 1714 xpt_announce_periph(periph, announce_buf); 1715 if (softc->flags & CD_FLAG_CHANGER) 1716 cdchangerschedule(softc); 1717 } 1718 softc->state = CD_STATE_NORMAL; 1719 /* 1720 * Since our peripheral may be invalidated by an error 1721 * above or an external event, we must release our CCB 1722 * before releasing the probe lock on the peripheral. 1723 * The peripheral will only go away once the last lock 1724 * is removed, and we need it around for the CCB release 1725 * operation. 1726 */ 1727 xpt_release_ccb(done_ccb); 1728 cam_periph_unlock(periph); 1729 return; 1730 } 1731 case CD_CCB_WAITING: 1732 { 1733 /* Caller will release the CCB */ 1734 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1735 ("trying to wakeup ccbwait\n")); 1736 1737 wakeup(&done_ccb->ccb_h.cbfcnp); 1738 return; 1739 } 1740 default: 1741 break; 1742 } 1743 xpt_release_ccb(done_ccb); 1744} 1745 1746static int 1747cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1748{ 1749 1750 struct cam_periph *periph; 1751 struct cd_softc *softc; 1752 int error; 1753 1754 periph = (struct cam_periph *)dev->si_drv1; 1755 if (periph == NULL) 1756 return(ENXIO); 1757 1758 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1759 1760 softc = (struct cd_softc *)periph->softc; 1761 1762 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1763 ("trying to do ioctl %#lx\n", cmd)); 1764 1765 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1766 1767 if (error != 0) 1768 return(error); 1769 1770 switch (cmd) { 1771 1772 case DIOCGMEDIASIZE: 1773 *(off_t *)addr = 1774 (off_t)softc->params.blksize * softc->params.disksize; 1775 break; 1776 case DIOCGSECTORSIZE: 1777 *(u_int *)addr = softc->params.blksize; 1778 break; 1779 1780 case CDIOCPLAYTRACKS: 1781 { 1782 struct ioc_play_track *args 1783 = (struct ioc_play_track *) addr; 1784 struct cd_mode_data *data; 1785 1786 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1787 M_WAITOK); 1788 1789 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1790 ("trying to do CDIOCPLAYTRACKS\n")); 1791 1792 error = cdgetmode(periph, data, AUDIO_PAGE); 1793 if (error) { 1794 free(data, M_TEMP); 1795 break; 1796 } 1797 data->page.audio.flags &= ~CD_PA_SOTC; 1798 data->page.audio.flags |= CD_PA_IMMED; 1799 error = cdsetmode(periph, data); 1800 free(data, M_TEMP); 1801 if (error) 1802 break; 1803 if (softc->quirks & CD_Q_BCD_TRACKS) { 1804 args->start_track = bin2bcd(args->start_track); 1805 args->end_track = bin2bcd(args->end_track); 1806 } 1807 error = cdplaytracks(periph, 1808 args->start_track, 1809 args->start_index, 1810 args->end_track, 1811 args->end_index); 1812 } 1813 break; 1814 case CDIOCPLAYMSF: 1815 { 1816 struct ioc_play_msf *args 1817 = (struct ioc_play_msf *) addr; 1818 struct cd_mode_data *data; 1819 1820 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1821 M_WAITOK); 1822 1823 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1824 ("trying to do CDIOCPLAYMSF\n")); 1825 1826 error = cdgetmode(periph, data, AUDIO_PAGE); 1827 if (error) { 1828 free(data, M_TEMP); 1829 break; 1830 } 1831 data->page.audio.flags &= ~CD_PA_SOTC; 1832 data->page.audio.flags |= CD_PA_IMMED; 1833 error = cdsetmode(periph, data); 1834 free(data, M_TEMP); 1835 if (error) 1836 break; 1837 error = cdplaymsf(periph, 1838 args->start_m, 1839 args->start_s, 1840 args->start_f, 1841 args->end_m, 1842 args->end_s, 1843 args->end_f); 1844 } 1845 break; 1846 case CDIOCPLAYBLOCKS: 1847 { 1848 struct ioc_play_blocks *args 1849 = (struct ioc_play_blocks *) addr; 1850 struct cd_mode_data *data; 1851 1852 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1853 ("trying to do CDIOCPLAYBLOCKS\n")); 1854 1855 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1856 M_WAITOK); 1857 1858 error = cdgetmode(periph, data, AUDIO_PAGE); 1859 if (error) { 1860 free(data, M_TEMP); 1861 break; 1862 } 1863 data->page.audio.flags &= ~CD_PA_SOTC; 1864 data->page.audio.flags |= CD_PA_IMMED; 1865 error = cdsetmode(periph, data); 1866 free(data, M_TEMP); 1867 if (error) 1868 break; 1869 error = cdplay(periph, args->blk, args->len); 1870 } 1871 break; 1872 case CDIOCREADSUBCHANNEL: 1873 { 1874 struct ioc_read_subchannel *args 1875 = (struct ioc_read_subchannel *) addr; 1876 struct cd_sub_channel_info *data; 1877 u_int32_t len = args->data_len; 1878 1879 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1880 ("trying to do CDIOCREADSUBCHANNEL\n")); 1881 1882 data = malloc(sizeof(struct cd_sub_channel_info), 1883 M_TEMP, M_WAITOK); 1884 1885 if ((len > sizeof(struct cd_sub_channel_info)) || 1886 (len < sizeof(struct cd_sub_channel_header))) { 1887 printf( 1888 "scsi_cd: cdioctl: " 1889 "cdioreadsubchannel: error, len=%d\n", 1890 len); 1891 error = EINVAL; 1892 free(data, M_TEMP); 1893 break; 1894 } 1895 1896 if (softc->quirks & CD_Q_BCD_TRACKS) 1897 args->track = bin2bcd(args->track); 1898 1899 error = cdreadsubchannel(periph, args->address_format, 1900 args->data_format, args->track, data, len); 1901 1902 if (error) { 1903 free(data, M_TEMP); 1904 break; 1905 } 1906 if (softc->quirks & CD_Q_BCD_TRACKS) 1907 data->what.track_info.track_number = 1908 bcd2bin(data->what.track_info.track_number); 1909 len = min(len, ((data->header.data_len[0] << 8) + 1910 data->header.data_len[1] + 1911 sizeof(struct cd_sub_channel_header))); 1912 if (copyout(data, args->data, len) != 0) { 1913 error = EFAULT; 1914 } 1915 free(data, M_TEMP); 1916 } 1917 break; 1918 1919 case CDIOREADTOCHEADER: 1920 { 1921 struct ioc_toc_header *th; 1922 1923 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1924 ("trying to do CDIOREADTOCHEADER\n")); 1925 1926 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1927 M_WAITOK); 1928 error = cdreadtoc(periph, 0, 0, 1929 (struct cd_toc_entry *)th, 1930 sizeof (*th)); 1931 if (error) { 1932 free(th, M_TEMP); 1933 break; 1934 } 1935 if (softc->quirks & CD_Q_BCD_TRACKS) { 1936 /* we are going to have to convert the BCD 1937 * encoding on the cd to what is expected 1938 */ 1939 th->starting_track = 1940 bcd2bin(th->starting_track); 1941 th->ending_track = bcd2bin(th->ending_track); 1942 } 1943 th->len = ntohs(th->len); 1944 bcopy(th, addr, sizeof(*th)); 1945 free(th, M_TEMP); 1946 } 1947 break; 1948 case CDIOREADTOCENTRYS: 1949 { 1950 typedef struct { 1951 struct ioc_toc_header header; 1952 struct cd_toc_entry entries[100]; 1953 } data_t; 1954 typedef struct { 1955 struct ioc_toc_header header; 1956 struct cd_toc_entry entry; 1957 } lead_t; 1958 1959 data_t *data; 1960 lead_t *lead; 1961 struct ioc_read_toc_entry *te = 1962 (struct ioc_read_toc_entry *) addr; 1963 struct ioc_toc_header *th; 1964 u_int32_t len, readlen, idx, num; 1965 u_int32_t starting_track = te->starting_track; 1966 1967 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1968 ("trying to do CDIOREADTOCENTRYS\n")); 1969 1970 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 1971 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 1972 1973 if (te->data_len < sizeof(struct cd_toc_entry) 1974 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1975 || (te->address_format != CD_MSF_FORMAT 1976 && te->address_format != CD_LBA_FORMAT)) { 1977 error = EINVAL; 1978 printf("scsi_cd: error in readtocentries, " 1979 "returning EINVAL\n"); 1980 free(data, M_TEMP); 1981 free(lead, M_TEMP); 1982 break; 1983 } 1984 1985 th = &data->header; 1986 error = cdreadtoc(periph, 0, 0, 1987 (struct cd_toc_entry *)th, 1988 sizeof (*th)); 1989 if (error) { 1990 free(data, M_TEMP); 1991 free(lead, M_TEMP); 1992 break; 1993 } 1994 1995 if (softc->quirks & CD_Q_BCD_TRACKS) { 1996 /* we are going to have to convert the BCD 1997 * encoding on the cd to what is expected 1998 */ 1999 th->starting_track = 2000 bcd2bin(th->starting_track); 2001 th->ending_track = bcd2bin(th->ending_track); 2002 } 2003 2004 if (starting_track == 0) 2005 starting_track = th->starting_track; 2006 else if (starting_track == LEADOUT) 2007 starting_track = th->ending_track + 1; 2008 else if (starting_track < th->starting_track || 2009 starting_track > th->ending_track + 1) { 2010 printf("scsi_cd: error in readtocentries, " 2011 "returning EINVAL\n"); 2012 free(data, M_TEMP); 2013 free(lead, M_TEMP); 2014 error = EINVAL; 2015 break; 2016 } 2017 2018 /* calculate reading length without leadout entry */ 2019 readlen = (th->ending_track - starting_track + 1) * 2020 sizeof(struct cd_toc_entry); 2021 2022 /* and with leadout entry */ 2023 len = readlen + sizeof(struct cd_toc_entry); 2024 if (te->data_len < len) { 2025 len = te->data_len; 2026 if (readlen > len) 2027 readlen = len; 2028 } 2029 if (len > sizeof(data->entries)) { 2030 printf("scsi_cd: error in readtocentries, " 2031 "returning EINVAL\n"); 2032 error = EINVAL; 2033 free(data, M_TEMP); 2034 free(lead, M_TEMP); 2035 break; 2036 } 2037 num = len / sizeof(struct cd_toc_entry); 2038 2039 if (readlen > 0) { 2040 error = cdreadtoc(periph, te->address_format, 2041 starting_track, 2042 (struct cd_toc_entry *)data, 2043 readlen + sizeof (*th)); 2044 if (error) { 2045 free(data, M_TEMP); 2046 free(lead, M_TEMP); 2047 break; 2048 } 2049 } 2050 2051 /* make leadout entry if needed */ 2052 idx = starting_track + num - 1; 2053 if (softc->quirks & CD_Q_BCD_TRACKS) 2054 th->ending_track = bcd2bin(th->ending_track); 2055 if (idx == th->ending_track + 1) { 2056 error = cdreadtoc(periph, te->address_format, 2057 LEADOUT, 2058 (struct cd_toc_entry *)lead, 2059 sizeof(*lead)); 2060 if (error) { 2061 free(data, M_TEMP); 2062 free(lead, M_TEMP); 2063 break; 2064 } 2065 data->entries[idx - starting_track] = 2066 lead->entry; 2067 } 2068 if (softc->quirks & CD_Q_BCD_TRACKS) { 2069 for (idx = 0; idx < num - 1; idx++) { 2070 data->entries[idx].track = 2071 bcd2bin(data->entries[idx].track); 2072 } 2073 } 2074 2075 error = copyout(data->entries, te->data, len); 2076 free(data, M_TEMP); 2077 free(lead, M_TEMP); 2078 } 2079 break; 2080 case CDIOREADTOCENTRY: 2081 { 2082 /* yeah yeah, this is ugly */ 2083 typedef struct { 2084 struct ioc_toc_header header; 2085 struct cd_toc_entry entry; 2086 } data_t; 2087 2088 data_t *data; 2089 struct ioc_read_toc_single_entry *te = 2090 (struct ioc_read_toc_single_entry *) addr; 2091 struct ioc_toc_header *th; 2092 u_int32_t track; 2093 2094 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2095 ("trying to do CDIOREADTOCENTRY\n")); 2096 2097 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2098 2099 if (te->address_format != CD_MSF_FORMAT 2100 && te->address_format != CD_LBA_FORMAT) { 2101 printf("error in readtocentry, " 2102 " returning EINVAL\n"); 2103 free(data, M_TEMP); 2104 error = EINVAL; 2105 break; 2106 } 2107 2108 th = &data->header; 2109 error = cdreadtoc(periph, 0, 0, 2110 (struct cd_toc_entry *)th, 2111 sizeof (*th)); 2112 if (error) { 2113 free(data, M_TEMP); 2114 break; 2115 } 2116 2117 if (softc->quirks & CD_Q_BCD_TRACKS) { 2118 /* we are going to have to convert the BCD 2119 * encoding on the cd to what is expected 2120 */ 2121 th->starting_track = 2122 bcd2bin(th->starting_track); 2123 th->ending_track = bcd2bin(th->ending_track); 2124 } 2125 track = te->track; 2126 if (track == 0) 2127 track = th->starting_track; 2128 else if (track == LEADOUT) 2129 /* OK */; 2130 else if (track < th->starting_track || 2131 track > th->ending_track + 1) { 2132 printf("error in readtocentry, " 2133 " returning EINVAL\n"); 2134 free(data, M_TEMP); 2135 error = EINVAL; 2136 break; 2137 } 2138 2139 error = cdreadtoc(periph, te->address_format, track, 2140 (struct cd_toc_entry *)data, 2141 sizeof(data_t)); 2142 if (error) { 2143 free(data, M_TEMP); 2144 break; 2145 } 2146 2147 if (softc->quirks & CD_Q_BCD_TRACKS) 2148 data->entry.track = bcd2bin(data->entry.track); 2149 bcopy(&data->entry, &te->entry, 2150 sizeof(struct cd_toc_entry)); 2151 free(data, M_TEMP); 2152 } 2153 break; 2154 case CDIOCSETPATCH: 2155 { 2156 struct ioc_patch *arg = (struct ioc_patch *) addr; 2157 struct cd_mode_data *data; 2158 2159 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2160 ("trying to do CDIOCSETPATCH\n")); 2161 2162 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2163 M_WAITOK); 2164 error = cdgetmode(periph, data, AUDIO_PAGE); 2165 if (error) { 2166 free(data, M_TEMP); 2167 break; 2168 } 2169 data->page.audio.port[LEFT_PORT].channels = 2170 arg->patch[0]; 2171 data->page.audio.port[RIGHT_PORT].channels = 2172 arg->patch[1]; 2173 data->page.audio.port[2].channels = arg->patch[2]; 2174 data->page.audio.port[3].channels = arg->patch[3]; 2175 error = cdsetmode(periph, data); 2176 free(data, M_TEMP); 2177 } 2178 break; 2179 case CDIOCGETVOL: 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 CDIOCGETVOL\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 arg->vol[LEFT_PORT] = 2195 data->page.audio.port[LEFT_PORT].volume; 2196 arg->vol[RIGHT_PORT] = 2197 data->page.audio.port[RIGHT_PORT].volume; 2198 arg->vol[2] = data->page.audio.port[2].volume; 2199 arg->vol[3] = data->page.audio.port[3].volume; 2200 free(data, M_TEMP); 2201 } 2202 break; 2203 case CDIOCSETVOL: 2204 { 2205 struct ioc_vol *arg = (struct ioc_vol *) addr; 2206 struct cd_mode_data *data; 2207 2208 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2209 ("trying to do CDIOCSETVOL\n")); 2210 2211 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2212 M_WAITOK); 2213 error = cdgetmode(periph, data, AUDIO_PAGE); 2214 if (error) { 2215 free(data, M_TEMP); 2216 break; 2217 } 2218 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2219 data->page.audio.port[LEFT_PORT].volume = 2220 arg->vol[LEFT_PORT]; 2221 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2222 data->page.audio.port[RIGHT_PORT].volume = 2223 arg->vol[RIGHT_PORT]; 2224 data->page.audio.port[2].volume = arg->vol[2]; 2225 data->page.audio.port[3].volume = arg->vol[3]; 2226 error = cdsetmode(periph, data); 2227 free(data, M_TEMP); 2228 } 2229 break; 2230 case CDIOCSETMONO: 2231 { 2232 struct cd_mode_data *data; 2233 2234 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2235 ("trying to do CDIOCSETMONO\n")); 2236 2237 data = malloc(sizeof(struct cd_mode_data), 2238 M_TEMP, 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 | RIGHT_CHANNEL; 2246 data->page.audio.port[RIGHT_PORT].channels = 2247 LEFT_CHANNEL | 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 CDIOCSETSTEREO: 2255 { 2256 struct cd_mode_data *data; 2257 2258 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2259 ("trying to do CDIOCSETSTEREO\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 = 2269 LEFT_CHANNEL; 2270 data->page.audio.port[RIGHT_PORT].channels = 2271 RIGHT_CHANNEL; 2272 data->page.audio.port[2].channels = 0; 2273 data->page.audio.port[3].channels = 0; 2274 error = cdsetmode(periph, data); 2275 free(data, M_TEMP); 2276 } 2277 break; 2278 case CDIOCSETMUTE: 2279 { 2280 struct cd_mode_data *data; 2281 2282 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2283 ("trying to do CDIOCSETMUTE\n")); 2284 2285 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2286 M_WAITOK); 2287 error = cdgetmode(periph, data, AUDIO_PAGE); 2288 if (error) { 2289 free(data, M_TEMP); 2290 break; 2291 } 2292 data->page.audio.port[LEFT_PORT].channels = 0; 2293 data->page.audio.port[RIGHT_PORT].channels = 0; 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 CDIOCSETLEFT: 2301 { 2302 struct cd_mode_data *data; 2303 2304 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2305 ("trying to do CDIOCSETLEFT\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 LEFT_CHANNEL; 2316 data->page.audio.port[RIGHT_PORT].channels = 2317 LEFT_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 CDIOCSETRIGHT: 2325 { 2326 struct cd_mode_data *data; 2327 2328 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2329 ("trying to do CDIOCSETRIGHT\n")); 2330 2331 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2332 M_WAITOK); 2333 error = cdgetmode(periph, data, AUDIO_PAGE); 2334 if (error) { 2335 free(data, M_TEMP); 2336 break; 2337 } 2338 data->page.audio.port[LEFT_PORT].channels = 2339 RIGHT_CHANNEL; 2340 data->page.audio.port[RIGHT_PORT].channels = 2341 RIGHT_CHANNEL; 2342 data->page.audio.port[2].channels = 0; 2343 data->page.audio.port[3].channels = 0; 2344 error = cdsetmode(periph, data); 2345 free(data, M_TEMP); 2346 } 2347 break; 2348 case CDIOCRESUME: 2349 error = cdpause(periph, 1); 2350 break; 2351 case CDIOCPAUSE: 2352 error = cdpause(periph, 0); 2353 break; 2354 case CDIOCSTART: 2355 error = cdstartunit(periph); 2356 break; 2357 case CDIOCSTOP: 2358 error = cdstopunit(periph, 0); 2359 break; 2360 case CDIOCEJECT: 2361 error = cdstopunit(periph, 1); 2362 break; 2363 case CDIOCALLOW: 2364 cdprevent(periph, PR_ALLOW); 2365 break; 2366 case CDIOCPREVENT: 2367 cdprevent(periph, PR_PREVENT); 2368 break; 2369 case CDIOCSETDEBUG: 2370 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2371 error = ENOTTY; 2372 break; 2373 case CDIOCCLRDEBUG: 2374 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2375 error = ENOTTY; 2376 break; 2377 case CDIOCRESET: 2378 /* return (cd_reset(periph)); */ 2379 error = ENOTTY; 2380 break; 2381 case CDRIOCREADSPEED: 2382 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2383 break; 2384 case CDRIOCWRITESPEED: 2385 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2386 break; 2387 case DVDIOCSENDKEY: 2388 case DVDIOCREPORTKEY: { 2389 struct dvd_authinfo *authinfo; 2390 2391 authinfo = (struct dvd_authinfo *)addr; 2392 2393 if (cmd == DVDIOCREPORTKEY) 2394 error = cdreportkey(periph, authinfo); 2395 else 2396 error = cdsendkey(periph, authinfo); 2397 break; 2398 } 2399 case DVDIOCREADSTRUCTURE: { 2400 struct dvd_struct *dvdstruct; 2401 2402 dvdstruct = (struct dvd_struct *)addr; 2403 2404 error = cdreaddvdstructure(periph, dvdstruct); 2405 2406 break; 2407 } 2408 default: 2409 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2410 break; 2411 } 2412 2413 cam_periph_unlock(periph); 2414 2415 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2416 if (error && bootverbose) { 2417 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2418 } 2419 2420 return (error); 2421} 2422 2423static void 2424cdprevent(struct cam_periph *periph, int action) 2425{ 2426 union ccb *ccb; 2427 struct cd_softc *softc; 2428 int error; 2429 2430 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2431 2432 softc = (struct cd_softc *)periph->softc; 2433 2434 if (((action == PR_ALLOW) 2435 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2436 || ((action == PR_PREVENT) 2437 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2438 return; 2439 } 2440 2441 ccb = cdgetccb(periph, /* priority */ 1); 2442 2443 scsi_prevent(&ccb->csio, 2444 /*retries*/ 1, 2445 cddone, 2446 MSG_SIMPLE_Q_TAG, 2447 action, 2448 SSD_FULL_SIZE, 2449 /* timeout */60000); 2450 2451 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2452 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2453 2454 xpt_release_ccb(ccb); 2455 2456 if (error == 0) { 2457 if (action == PR_ALLOW) 2458 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2459 else 2460 softc->flags |= CD_FLAG_DISC_LOCKED; 2461 } 2462} 2463 2464static int 2465cdsize(dev_t dev, u_int32_t *size) 2466{ 2467 struct cam_periph *periph; 2468 struct cd_softc *softc; 2469 union ccb *ccb; 2470 struct scsi_read_capacity_data *rcap_buf; 2471 int error; 2472 2473 periph = (struct cam_periph *)dev->si_drv1; 2474 if (periph == NULL) 2475 return (ENXIO); 2476 2477 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2478 2479 softc = (struct cd_softc *)periph->softc; 2480 2481 ccb = cdgetccb(periph, /* priority */ 1); 2482 2483 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2484 M_TEMP, M_WAITOK); 2485 2486 scsi_read_capacity(&ccb->csio, 2487 /*retries*/ 1, 2488 cddone, 2489 MSG_SIMPLE_Q_TAG, 2490 rcap_buf, 2491 SSD_FULL_SIZE, 2492 /* timeout */20000); 2493 2494 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2495 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2496 2497 xpt_release_ccb(ccb); 2498 2499 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2500 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2501 /* 2502 * SCSI-3 mandates that the reported blocksize shall be 2048. 2503 * Older drives sometimes report funny values, trim it down to 2504 * 2048, or other parts of the kernel will get confused. 2505 * 2506 * XXX we leave drives alone that might report 512 bytes, as 2507 * well as drives reporting more weird sizes like perhaps 4K. 2508 */ 2509 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2510 softc->params.blksize = 2048; 2511 2512 free(rcap_buf, M_TEMP); 2513 *size = softc->params.disksize; 2514 2515 return (error); 2516 2517} 2518 2519static int 2520cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2521{ 2522 struct cd_softc *softc; 2523 struct cam_periph *periph; 2524 2525 periph = xpt_path_periph(ccb->ccb_h.path); 2526 softc = (struct cd_softc *)periph->softc; 2527 2528 /* 2529 * XXX 2530 * Until we have a better way of doing pack validation, 2531 * don't treat UAs as errors. 2532 */ 2533 sense_flags |= SF_RETRY_UA; 2534 return (cam_periph_error(ccb, cam_flags, sense_flags, 2535 &softc->saved_ccb)); 2536} 2537 2538/* 2539 * Read table of contents 2540 */ 2541static int 2542cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2543 struct cd_toc_entry *data, u_int32_t len) 2544{ 2545 struct scsi_read_toc *scsi_cmd; 2546 u_int32_t ntoc; 2547 struct ccb_scsiio *csio; 2548 union ccb *ccb; 2549 int error; 2550 2551 ntoc = len; 2552 error = 0; 2553 2554 ccb = cdgetccb(periph, /* priority */ 1); 2555 2556 csio = &ccb->csio; 2557 2558 cam_fill_csio(csio, 2559 /* retries */ 1, 2560 /* cbfcnp */ cddone, 2561 /* flags */ CAM_DIR_IN, 2562 /* tag_action */ MSG_SIMPLE_Q_TAG, 2563 /* data_ptr */ (u_int8_t *)data, 2564 /* dxfer_len */ len, 2565 /* sense_len */ SSD_FULL_SIZE, 2566 sizeof(struct scsi_read_toc), 2567 /* timeout */ 50000); 2568 2569 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2570 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2571 2572 if (mode == CD_MSF_FORMAT) 2573 scsi_cmd->byte2 |= CD_MSF; 2574 scsi_cmd->from_track = start; 2575 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2576 scsi_cmd->data_len[0] = (ntoc) >> 8; 2577 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2578 2579 scsi_cmd->op_code = READ_TOC; 2580 2581 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2582 /*sense_flags*/SF_RETRY_UA); 2583 2584 xpt_release_ccb(ccb); 2585 2586 return(error); 2587} 2588 2589static int 2590cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2591 u_int32_t format, int track, 2592 struct cd_sub_channel_info *data, u_int32_t len) 2593{ 2594 struct scsi_read_subchannel *scsi_cmd; 2595 struct ccb_scsiio *csio; 2596 union ccb *ccb; 2597 int error; 2598 2599 error = 0; 2600 2601 ccb = cdgetccb(periph, /* priority */ 1); 2602 2603 csio = &ccb->csio; 2604 2605 cam_fill_csio(csio, 2606 /* retries */ 1, 2607 /* cbfcnp */ cddone, 2608 /* flags */ CAM_DIR_IN, 2609 /* tag_action */ MSG_SIMPLE_Q_TAG, 2610 /* data_ptr */ (u_int8_t *)data, 2611 /* dxfer_len */ len, 2612 /* sense_len */ SSD_FULL_SIZE, 2613 sizeof(struct scsi_read_subchannel), 2614 /* timeout */ 50000); 2615 2616 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2617 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2618 2619 scsi_cmd->op_code = READ_SUBCHANNEL; 2620 if (mode == CD_MSF_FORMAT) 2621 scsi_cmd->byte1 |= CD_MSF; 2622 scsi_cmd->byte2 = SRS_SUBQ; 2623 scsi_cmd->subchan_format = format; 2624 scsi_cmd->track = track; 2625 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2626 scsi_cmd->control = 0; 2627 2628 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2629 /*sense_flags*/SF_RETRY_UA); 2630 2631 xpt_release_ccb(ccb); 2632 2633 return(error); 2634} 2635 2636 2637static int 2638cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2639{ 2640 struct scsi_mode_sense_6 *scsi_cmd; 2641 struct ccb_scsiio *csio; 2642 union ccb *ccb; 2643 int error; 2644 2645 ccb = cdgetccb(periph, /* priority */ 1); 2646 2647 csio = &ccb->csio; 2648 2649 bzero(data, sizeof(*data)); 2650 cam_fill_csio(csio, 2651 /* retries */ 1, 2652 /* cbfcnp */ cddone, 2653 /* flags */ CAM_DIR_IN, 2654 /* tag_action */ MSG_SIMPLE_Q_TAG, 2655 /* data_ptr */ (u_int8_t *)data, 2656 /* dxfer_len */ sizeof(*data), 2657 /* sense_len */ SSD_FULL_SIZE, 2658 sizeof(struct scsi_mode_sense_6), 2659 /* timeout */ 50000); 2660 2661 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2662 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2663 2664 scsi_cmd->page = page; 2665 scsi_cmd->length = sizeof(*data) & 0xff; 2666 scsi_cmd->opcode = MODE_SENSE; 2667 2668 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2669 /*sense_flags*/SF_RETRY_UA); 2670 2671 xpt_release_ccb(ccb); 2672 2673 return(error); 2674} 2675 2676static int 2677cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2678{ 2679 struct scsi_mode_select_6 *scsi_cmd; 2680 struct ccb_scsiio *csio; 2681 union ccb *ccb; 2682 int error; 2683 2684 ccb = cdgetccb(periph, /* priority */ 1); 2685 2686 csio = &ccb->csio; 2687 2688 error = 0; 2689 2690 cam_fill_csio(csio, 2691 /* retries */ 1, 2692 /* cbfcnp */ cddone, 2693 /* flags */ CAM_DIR_OUT, 2694 /* tag_action */ MSG_SIMPLE_Q_TAG, 2695 /* data_ptr */ (u_int8_t *)data, 2696 /* dxfer_len */ sizeof(*data), 2697 /* sense_len */ SSD_FULL_SIZE, 2698 sizeof(struct scsi_mode_select_6), 2699 /* timeout */ 50000); 2700 2701 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2702 2703 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2704 scsi_cmd->opcode = MODE_SELECT; 2705 scsi_cmd->byte2 |= SMS_PF; 2706 scsi_cmd->length = sizeof(*data) & 0xff; 2707 data->header.data_length = 0; 2708 /* 2709 * SONY drives do not allow a mode select with a medium_type 2710 * value that has just been returned by a mode sense; use a 2711 * medium_type of 0 (Default) instead. 2712 */ 2713 data->header.medium_type = 0; 2714 2715 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2716 /*sense_flags*/SF_RETRY_UA); 2717 2718 xpt_release_ccb(ccb); 2719 2720 return(error); 2721} 2722 2723 2724static int 2725cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2726{ 2727 struct ccb_scsiio *csio; 2728 union ccb *ccb; 2729 int error; 2730 u_int8_t cdb_len; 2731 2732 error = 0; 2733 ccb = cdgetccb(periph, /* priority */ 1); 2734 csio = &ccb->csio; 2735 /* 2736 * Use the smallest possible command to perform the operation. 2737 */ 2738 if ((len & 0xffff0000) == 0) { 2739 /* 2740 * We can fit in a 10 byte cdb. 2741 */ 2742 struct scsi_play_10 *scsi_cmd; 2743 2744 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2745 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2746 scsi_cmd->op_code = PLAY_10; 2747 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2748 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2749 cdb_len = sizeof(*scsi_cmd); 2750 } else { 2751 struct scsi_play_12 *scsi_cmd; 2752 2753 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2754 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2755 scsi_cmd->op_code = PLAY_12; 2756 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2757 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2758 cdb_len = sizeof(*scsi_cmd); 2759 } 2760 cam_fill_csio(csio, 2761 /*retries*/2, 2762 cddone, 2763 /*flags*/CAM_DIR_NONE, 2764 MSG_SIMPLE_Q_TAG, 2765 /*dataptr*/NULL, 2766 /*datalen*/0, 2767 /*sense_len*/SSD_FULL_SIZE, 2768 cdb_len, 2769 /*timeout*/50 * 1000); 2770 2771 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2772 /*sense_flags*/SF_RETRY_UA); 2773 2774 xpt_release_ccb(ccb); 2775 2776 return(error); 2777} 2778 2779static int 2780cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2781 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2782{ 2783 struct scsi_play_msf *scsi_cmd; 2784 struct ccb_scsiio *csio; 2785 union ccb *ccb; 2786 int error; 2787 2788 error = 0; 2789 2790 ccb = cdgetccb(periph, /* priority */ 1); 2791 2792 csio = &ccb->csio; 2793 2794 cam_fill_csio(csio, 2795 /* retries */ 1, 2796 /* cbfcnp */ cddone, 2797 /* flags */ CAM_DIR_NONE, 2798 /* tag_action */ MSG_SIMPLE_Q_TAG, 2799 /* data_ptr */ NULL, 2800 /* dxfer_len */ 0, 2801 /* sense_len */ SSD_FULL_SIZE, 2802 sizeof(struct scsi_play_msf), 2803 /* timeout */ 50000); 2804 2805 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2806 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2807 2808 scsi_cmd->op_code = PLAY_MSF; 2809 scsi_cmd->start_m = startm; 2810 scsi_cmd->start_s = starts; 2811 scsi_cmd->start_f = startf; 2812 scsi_cmd->end_m = endm; 2813 scsi_cmd->end_s = ends; 2814 scsi_cmd->end_f = endf; 2815 2816 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2817 /*sense_flags*/SF_RETRY_UA); 2818 2819 xpt_release_ccb(ccb); 2820 2821 return(error); 2822} 2823 2824 2825static int 2826cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2827 u_int32_t etrack, u_int32_t eindex) 2828{ 2829 struct scsi_play_track *scsi_cmd; 2830 struct ccb_scsiio *csio; 2831 union ccb *ccb; 2832 int error; 2833 2834 error = 0; 2835 2836 ccb = cdgetccb(periph, /* priority */ 1); 2837 2838 csio = &ccb->csio; 2839 2840 cam_fill_csio(csio, 2841 /* retries */ 1, 2842 /* cbfcnp */ cddone, 2843 /* flags */ CAM_DIR_NONE, 2844 /* tag_action */ MSG_SIMPLE_Q_TAG, 2845 /* data_ptr */ NULL, 2846 /* dxfer_len */ 0, 2847 /* sense_len */ SSD_FULL_SIZE, 2848 sizeof(struct scsi_play_track), 2849 /* timeout */ 50000); 2850 2851 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2852 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2853 2854 scsi_cmd->op_code = PLAY_TRACK; 2855 scsi_cmd->start_track = strack; 2856 scsi_cmd->start_index = sindex; 2857 scsi_cmd->end_track = etrack; 2858 scsi_cmd->end_index = eindex; 2859 2860 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2861 /*sense_flags*/SF_RETRY_UA); 2862 2863 xpt_release_ccb(ccb); 2864 2865 return(error); 2866} 2867 2868static int 2869cdpause(struct cam_periph *periph, u_int32_t go) 2870{ 2871 struct scsi_pause *scsi_cmd; 2872 struct ccb_scsiio *csio; 2873 union ccb *ccb; 2874 int error; 2875 2876 error = 0; 2877 2878 ccb = cdgetccb(periph, /* priority */ 1); 2879 2880 csio = &ccb->csio; 2881 2882 cam_fill_csio(csio, 2883 /* retries */ 1, 2884 /* cbfcnp */ cddone, 2885 /* flags */ CAM_DIR_NONE, 2886 /* tag_action */ MSG_SIMPLE_Q_TAG, 2887 /* data_ptr */ NULL, 2888 /* dxfer_len */ 0, 2889 /* sense_len */ SSD_FULL_SIZE, 2890 sizeof(struct scsi_pause), 2891 /* timeout */ 50000); 2892 2893 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 2894 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2895 2896 scsi_cmd->op_code = PAUSE; 2897 scsi_cmd->resume = go; 2898 2899 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2900 /*sense_flags*/SF_RETRY_UA); 2901 2902 xpt_release_ccb(ccb); 2903 2904 return(error); 2905} 2906 2907static int 2908cdstartunit(struct cam_periph *periph) 2909{ 2910 union ccb *ccb; 2911 int error; 2912 2913 error = 0; 2914 2915 ccb = cdgetccb(periph, /* priority */ 1); 2916 2917 scsi_start_stop(&ccb->csio, 2918 /* retries */ 1, 2919 /* cbfcnp */ cddone, 2920 /* tag_action */ MSG_SIMPLE_Q_TAG, 2921 /* start */ TRUE, 2922 /* load_eject */ FALSE, 2923 /* immediate */ FALSE, 2924 /* sense_len */ SSD_FULL_SIZE, 2925 /* timeout */ 50000); 2926 2927 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2928 /*sense_flags*/SF_RETRY_UA); 2929 2930 xpt_release_ccb(ccb); 2931 2932 return(error); 2933} 2934 2935static int 2936cdstopunit(struct cam_periph *periph, u_int32_t eject) 2937{ 2938 union ccb *ccb; 2939 int error; 2940 2941 error = 0; 2942 2943 ccb = cdgetccb(periph, /* priority */ 1); 2944 2945 scsi_start_stop(&ccb->csio, 2946 /* retries */ 1, 2947 /* cbfcnp */ cddone, 2948 /* tag_action */ MSG_SIMPLE_Q_TAG, 2949 /* start */ FALSE, 2950 /* load_eject */ eject, 2951 /* immediate */ FALSE, 2952 /* sense_len */ SSD_FULL_SIZE, 2953 /* timeout */ 50000); 2954 2955 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2956 /*sense_flags*/SF_RETRY_UA); 2957 2958 xpt_release_ccb(ccb); 2959 2960 return(error); 2961} 2962 2963static int 2964cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 2965{ 2966 struct scsi_set_speed *scsi_cmd; 2967 struct ccb_scsiio *csio; 2968 union ccb *ccb; 2969 int error; 2970 2971 error = 0; 2972 ccb = cdgetccb(periph, /* priority */ 1); 2973 csio = &ccb->csio; 2974 2975 /* Preserve old behavior: units in multiples of CDROM speed */ 2976 if (rdspeed < 177) 2977 rdspeed *= 177; 2978 if (wrspeed < 177) 2979 wrspeed *= 177; 2980 2981 cam_fill_csio(csio, 2982 /* retries */ 1, 2983 /* cbfcnp */ cddone, 2984 /* flags */ CAM_DIR_NONE, 2985 /* tag_action */ MSG_SIMPLE_Q_TAG, 2986 /* data_ptr */ NULL, 2987 /* dxfer_len */ 0, 2988 /* sense_len */ SSD_FULL_SIZE, 2989 sizeof(struct scsi_set_speed), 2990 /* timeout */ 50000); 2991 2992 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 2993 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2994 2995 scsi_cmd->opcode = SET_CD_SPEED; 2996 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 2997 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 2998 2999 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3000 /*sense_flags*/SF_RETRY_UA); 3001 3002 xpt_release_ccb(ccb); 3003 3004 return(error); 3005} 3006 3007static int 3008cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3009{ 3010 union ccb *ccb; 3011 u_int8_t *databuf; 3012 u_int32_t lba; 3013 int error; 3014 int length; 3015 3016 error = 0; 3017 databuf = NULL; 3018 lba = 0; 3019 3020 ccb = cdgetccb(periph, /* priority */ 1); 3021 3022 switch (authinfo->format) { 3023 case DVD_REPORT_AGID: 3024 length = sizeof(struct scsi_report_key_data_agid); 3025 break; 3026 case DVD_REPORT_CHALLENGE: 3027 length = sizeof(struct scsi_report_key_data_challenge); 3028 break; 3029 case DVD_REPORT_KEY1: 3030 length = sizeof(struct scsi_report_key_data_key1_key2); 3031 break; 3032 case DVD_REPORT_TITLE_KEY: 3033 length = sizeof(struct scsi_report_key_data_title); 3034 /* The lba field is only set for the title key */ 3035 lba = authinfo->lba; 3036 break; 3037 case DVD_REPORT_ASF: 3038 length = sizeof(struct scsi_report_key_data_asf); 3039 break; 3040 case DVD_REPORT_RPC: 3041 length = sizeof(struct scsi_report_key_data_rpc); 3042 break; 3043 case DVD_INVALIDATE_AGID: 3044 length = 0; 3045 break; 3046 default: 3047 error = EINVAL; 3048 goto bailout; 3049 break; /* NOTREACHED */ 3050 } 3051 3052 if (length != 0) { 3053 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3054 } else 3055 databuf = NULL; 3056 3057 3058 scsi_report_key(&ccb->csio, 3059 /* retries */ 1, 3060 /* cbfcnp */ cddone, 3061 /* tag_action */ MSG_SIMPLE_Q_TAG, 3062 /* lba */ lba, 3063 /* agid */ authinfo->agid, 3064 /* key_format */ authinfo->format, 3065 /* data_ptr */ databuf, 3066 /* dxfer_len */ length, 3067 /* sense_len */ SSD_FULL_SIZE, 3068 /* timeout */ 50000); 3069 3070 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3071 /*sense_flags*/SF_RETRY_UA); 3072 3073 if (error != 0) 3074 goto bailout; 3075 3076 if (ccb->csio.resid != 0) { 3077 xpt_print_path(periph->path); 3078 printf("warning, residual for report key command is %d\n", 3079 ccb->csio.resid); 3080 } 3081 3082 switch(authinfo->format) { 3083 case DVD_REPORT_AGID: { 3084 struct scsi_report_key_data_agid *agid_data; 3085 3086 agid_data = (struct scsi_report_key_data_agid *)databuf; 3087 3088 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3089 RKD_AGID_SHIFT; 3090 break; 3091 } 3092 case DVD_REPORT_CHALLENGE: { 3093 struct scsi_report_key_data_challenge *chal_data; 3094 3095 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3096 3097 bcopy(chal_data->challenge_key, authinfo->keychal, 3098 min(sizeof(chal_data->challenge_key), 3099 sizeof(authinfo->keychal))); 3100 break; 3101 } 3102 case DVD_REPORT_KEY1: { 3103 struct scsi_report_key_data_key1_key2 *key1_data; 3104 3105 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3106 3107 bcopy(key1_data->key1, authinfo->keychal, 3108 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3109 break; 3110 } 3111 case DVD_REPORT_TITLE_KEY: { 3112 struct scsi_report_key_data_title *title_data; 3113 3114 title_data = (struct scsi_report_key_data_title *)databuf; 3115 3116 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3117 RKD_TITLE_CPM_SHIFT; 3118 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3119 RKD_TITLE_CP_SEC_SHIFT; 3120 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3121 RKD_TITLE_CMGS_SHIFT; 3122 bcopy(title_data->title_key, authinfo->keychal, 3123 min(sizeof(title_data->title_key), 3124 sizeof(authinfo->keychal))); 3125 break; 3126 } 3127 case DVD_REPORT_ASF: { 3128 struct scsi_report_key_data_asf *asf_data; 3129 3130 asf_data = (struct scsi_report_key_data_asf *)databuf; 3131 3132 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3133 break; 3134 } 3135 case DVD_REPORT_RPC: { 3136 struct scsi_report_key_data_rpc *rpc_data; 3137 3138 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3139 3140 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3141 RKD_RPC_TYPE_SHIFT; 3142 authinfo->vend_rsts = 3143 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3144 RKD_RPC_VENDOR_RESET_SHIFT; 3145 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3146 authinfo->region = rpc_data->region_mask; 3147 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3148 break; 3149 } 3150 case DVD_INVALIDATE_AGID: 3151 break; 3152 default: 3153 /* This should be impossible, since we checked above */ 3154 error = EINVAL; 3155 goto bailout; 3156 break; /* NOTREACHED */ 3157 } 3158bailout: 3159 if (databuf != NULL) 3160 free(databuf, M_DEVBUF); 3161 3162 xpt_release_ccb(ccb); 3163 3164 return(error); 3165} 3166 3167static int 3168cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3169{ 3170 union ccb *ccb; 3171 u_int8_t *databuf; 3172 int length; 3173 int error; 3174 3175 error = 0; 3176 databuf = NULL; 3177 3178 ccb = cdgetccb(periph, /* priority */ 1); 3179 3180 switch(authinfo->format) { 3181 case DVD_SEND_CHALLENGE: { 3182 struct scsi_report_key_data_challenge *challenge_data; 3183 3184 length = sizeof(*challenge_data); 3185 3186 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3187 3188 databuf = (u_int8_t *)challenge_data; 3189 3190 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3191 challenge_data->data_len); 3192 3193 bcopy(authinfo->keychal, challenge_data->challenge_key, 3194 min(sizeof(authinfo->keychal), 3195 sizeof(challenge_data->challenge_key))); 3196 break; 3197 } 3198 case DVD_SEND_KEY2: { 3199 struct scsi_report_key_data_key1_key2 *key2_data; 3200 3201 length = sizeof(*key2_data); 3202 3203 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3204 3205 databuf = (u_int8_t *)key2_data; 3206 3207 scsi_ulto2b(length - sizeof(key2_data->data_len), 3208 key2_data->data_len); 3209 3210 bcopy(authinfo->keychal, key2_data->key1, 3211 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3212 3213 break; 3214 } 3215 case DVD_SEND_RPC: { 3216 struct scsi_send_key_data_rpc *rpc_data; 3217 3218 length = sizeof(*rpc_data); 3219 3220 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3221 3222 databuf = (u_int8_t *)rpc_data; 3223 3224 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3225 rpc_data->data_len); 3226 3227 rpc_data->region_code = authinfo->region; 3228 break; 3229 } 3230 default: 3231 error = EINVAL; 3232 goto bailout; 3233 break; /* NOTREACHED */ 3234 } 3235 3236 scsi_send_key(&ccb->csio, 3237 /* retries */ 1, 3238 /* cbfcnp */ cddone, 3239 /* tag_action */ MSG_SIMPLE_Q_TAG, 3240 /* agid */ authinfo->agid, 3241 /* key_format */ authinfo->format, 3242 /* data_ptr */ databuf, 3243 /* dxfer_len */ length, 3244 /* sense_len */ SSD_FULL_SIZE, 3245 /* timeout */ 50000); 3246 3247 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3248 /*sense_flags*/SF_RETRY_UA); 3249 3250bailout: 3251 3252 if (databuf != NULL) 3253 free(databuf, M_DEVBUF); 3254 3255 xpt_release_ccb(ccb); 3256 3257 return(error); 3258} 3259 3260static int 3261cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3262{ 3263 union ccb *ccb; 3264 u_int8_t *databuf; 3265 u_int32_t address; 3266 int error; 3267 int length; 3268 3269 error = 0; 3270 databuf = NULL; 3271 /* The address is reserved for many of the formats */ 3272 address = 0; 3273 3274 ccb = cdgetccb(periph, /* priority */ 1); 3275 3276 switch(dvdstruct->format) { 3277 case DVD_STRUCT_PHYSICAL: 3278 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3279 break; 3280 case DVD_STRUCT_COPYRIGHT: 3281 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3282 break; 3283 case DVD_STRUCT_DISCKEY: 3284 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3285 break; 3286 case DVD_STRUCT_BCA: 3287 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3288 break; 3289 case DVD_STRUCT_MANUFACT: 3290 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3291 break; 3292 case DVD_STRUCT_CMI: 3293 error = ENODEV; 3294 goto bailout; 3295#ifdef notyet 3296 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3297 address = dvdstruct->address; 3298#endif 3299 break; /* NOTREACHED */ 3300 case DVD_STRUCT_PROTDISCID: 3301 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3302 break; 3303 case DVD_STRUCT_DISCKEYBLOCK: 3304 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3305 break; 3306 case DVD_STRUCT_DDS: 3307 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3308 break; 3309 case DVD_STRUCT_MEDIUM_STAT: 3310 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3311 break; 3312 case DVD_STRUCT_SPARE_AREA: 3313 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3314 break; 3315 case DVD_STRUCT_RMD_LAST: 3316 error = ENODEV; 3317 goto bailout; 3318#ifdef notyet 3319 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3320 address = dvdstruct->address; 3321#endif 3322 break; /* NOTREACHED */ 3323 case DVD_STRUCT_RMD_RMA: 3324 error = ENODEV; 3325 goto bailout; 3326#ifdef notyet 3327 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3328 address = dvdstruct->address; 3329#endif 3330 break; /* NOTREACHED */ 3331 case DVD_STRUCT_PRERECORDED: 3332 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3333 break; 3334 case DVD_STRUCT_UNIQUEID: 3335 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3336 break; 3337 case DVD_STRUCT_DCB: 3338 error = ENODEV; 3339 goto bailout; 3340#ifdef notyet 3341 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3342 address = dvdstruct->address; 3343#endif 3344 break; /* NOTREACHED */ 3345 case DVD_STRUCT_LIST: 3346 /* 3347 * This is the maximum allocation length for the READ DVD 3348 * STRUCTURE command. There's nothing in the MMC3 spec 3349 * that indicates a limit in the amount of data that can 3350 * be returned from this call, other than the limits 3351 * imposed by the 2-byte length variables. 3352 */ 3353 length = 65535; 3354 break; 3355 default: 3356 error = EINVAL; 3357 goto bailout; 3358 break; /* NOTREACHED */ 3359 } 3360 3361 if (length != 0) { 3362 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3363 } else 3364 databuf = NULL; 3365 3366 scsi_read_dvd_structure(&ccb->csio, 3367 /* retries */ 1, 3368 /* cbfcnp */ cddone, 3369 /* tag_action */ MSG_SIMPLE_Q_TAG, 3370 /* lba */ address, 3371 /* layer_number */ dvdstruct->layer_num, 3372 /* key_format */ dvdstruct->format, 3373 /* agid */ dvdstruct->agid, 3374 /* data_ptr */ databuf, 3375 /* dxfer_len */ length, 3376 /* sense_len */ SSD_FULL_SIZE, 3377 /* timeout */ 50000); 3378 3379 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3380 /*sense_flags*/SF_RETRY_UA); 3381 3382 if (error != 0) 3383 goto bailout; 3384 3385 switch(dvdstruct->format) { 3386 case DVD_STRUCT_PHYSICAL: { 3387 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3388 struct dvd_layer *outlayer; 3389 struct scsi_read_dvd_struct_data_physical *phys_data; 3390 3391 phys_data = 3392 (struct scsi_read_dvd_struct_data_physical *)databuf; 3393 inlayer = &phys_data->layer_desc; 3394 outlayer = (struct dvd_layer *)&dvdstruct->data; 3395 3396 dvdstruct->length = sizeof(*inlayer); 3397 3398 outlayer->book_type = (inlayer->book_type_version & 3399 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3400 outlayer->book_version = (inlayer->book_type_version & 3401 RDSD_BOOK_VERSION_MASK); 3402 outlayer->disc_size = (inlayer->disc_size_max_rate & 3403 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3404 outlayer->max_rate = (inlayer->disc_size_max_rate & 3405 RDSD_MAX_RATE_MASK); 3406 outlayer->nlayers = (inlayer->layer_info & 3407 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3408 outlayer->track_path = (inlayer->layer_info & 3409 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3410 outlayer->layer_type = (inlayer->layer_info & 3411 RDSD_LAYER_TYPE_MASK); 3412 outlayer->linear_density = (inlayer->density & 3413 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3414 outlayer->track_density = (inlayer->density & 3415 RDSD_TRACK_DENSITY_MASK); 3416 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3417 RDSD_BCA_SHIFT; 3418 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3419 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3420 outlayer->end_sector_l0 = 3421 scsi_3btoul(inlayer->end_sector_layer0); 3422 break; 3423 } 3424 case DVD_STRUCT_COPYRIGHT: { 3425 struct scsi_read_dvd_struct_data_copyright *copy_data; 3426 3427 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3428 databuf; 3429 3430 dvdstruct->cpst = copy_data->cps_type; 3431 dvdstruct->rmi = copy_data->region_info; 3432 dvdstruct->length = 0; 3433 3434 break; 3435 } 3436 default: 3437 /* 3438 * Tell the user what the overall length is, no matter 3439 * what we can actually fit in the data buffer. 3440 */ 3441 dvdstruct->length = length - ccb->csio.resid - 3442 sizeof(struct scsi_read_dvd_struct_data_header); 3443 3444 /* 3445 * But only actually copy out the smaller of what we read 3446 * in or what the structure can take. 3447 */ 3448 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3449 dvdstruct->data, 3450 min(sizeof(dvdstruct->data), dvdstruct->length)); 3451 break; 3452 } 3453bailout: 3454 3455 if (databuf != NULL) 3456 free(databuf, M_DEVBUF); 3457 3458 xpt_release_ccb(ccb); 3459 3460 return(error); 3461} 3462 3463void 3464scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3465 void (*cbfcnp)(struct cam_periph *, union ccb *), 3466 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3467 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3468 u_int8_t sense_len, u_int32_t timeout) 3469{ 3470 struct scsi_report_key *scsi_cmd; 3471 3472 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3473 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3474 scsi_cmd->opcode = REPORT_KEY; 3475 scsi_ulto4b(lba, scsi_cmd->lba); 3476 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3477 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3478 (key_format & RK_KF_KEYFORMAT_MASK); 3479 3480 cam_fill_csio(csio, 3481 retries, 3482 cbfcnp, 3483 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3484 tag_action, 3485 /*data_ptr*/ data_ptr, 3486 /*dxfer_len*/ dxfer_len, 3487 sense_len, 3488 sizeof(*scsi_cmd), 3489 timeout); 3490} 3491 3492void 3493scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3494 void (*cbfcnp)(struct cam_periph *, union ccb *), 3495 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3496 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3497 u_int32_t timeout) 3498{ 3499 struct scsi_send_key *scsi_cmd; 3500 3501 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3502 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3503 scsi_cmd->opcode = SEND_KEY; 3504 3505 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3506 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3507 (key_format & RK_KF_KEYFORMAT_MASK); 3508 3509 cam_fill_csio(csio, 3510 retries, 3511 cbfcnp, 3512 /*flags*/ CAM_DIR_OUT, 3513 tag_action, 3514 /*data_ptr*/ data_ptr, 3515 /*dxfer_len*/ dxfer_len, 3516 sense_len, 3517 sizeof(*scsi_cmd), 3518 timeout); 3519} 3520 3521 3522void 3523scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3524 void (*cbfcnp)(struct cam_periph *, union ccb *), 3525 u_int8_t tag_action, u_int32_t address, 3526 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3527 u_int8_t *data_ptr, u_int32_t dxfer_len, 3528 u_int8_t sense_len, u_int32_t timeout) 3529{ 3530 struct scsi_read_dvd_structure *scsi_cmd; 3531 3532 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3533 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3534 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3535 3536 scsi_ulto4b(address, scsi_cmd->address); 3537 scsi_cmd->layer_number = layer_number; 3538 scsi_cmd->format = format; 3539 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3540 /* The AGID is the top two bits of this byte */ 3541 scsi_cmd->agid = agid << 6; 3542 3543 cam_fill_csio(csio, 3544 retries, 3545 cbfcnp, 3546 /*flags*/ CAM_DIR_IN, 3547 tag_action, 3548 /*data_ptr*/ data_ptr, 3549 /*dxfer_len*/ dxfer_len, 3550 sense_len, 3551 sizeof(*scsi_cmd), 3552 timeout); 3553} 3554