scsi_cd.c revision 60938
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000 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 60938 2000-05-26 02:09:24Z jake $ 28 */ 29/* 30 * Portions of this driver taken from the original FreeBSD cd driver. 31 * Written by Julian Elischer (julian@tfs.com) 32 * for TRW Financial Systems for use under the MACH(2.5) operating system. 33 * 34 * TRW Financial Systems, in accordance with their agreement with Carnegie 35 * Mellon University, makes this software available to CMU to distribute 36 * or use in any manner that they see fit as long as this message is kept with 37 * the software. For this reason TFS also grants any other persons or 38 * organisations permission to use or modify this software. 39 * 40 * TFS supplies this software to be publicly redistributed 41 * on the understanding that TFS is not responsible for the correct 42 * functioning of this software in any circumstances. 43 * 44 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 45 * 46 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 47 */ 48 49#include "opt_cd.h" 50 51#include <sys/param.h> 52#include <sys/systm.h> 53#include <sys/kernel.h> 54#include <sys/bio.h> 55#include <sys/conf.h> 56#include <sys/disk.h> 57#include <sys/malloc.h> 58#include <sys/cdio.h> 59#include <sys/dvdio.h> 60#include <sys/devicestat.h> 61#include <sys/sysctl.h> 62 63#include <cam/cam.h> 64#include <cam/cam_ccb.h> 65#include <cam/cam_extend.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 struct disk disk; 132 union ccb saved_ccb; 133 cd_quirks quirks; 134 struct devstat device_stats; 135 STAILQ_ENTRY(cd_softc) changer_links; 136 struct cdchanger *changer; 137 int bufs_left; 138 struct cam_periph *periph; 139}; 140 141struct cd_quirk_entry { 142 struct scsi_inquiry_pattern inq_pat; 143 cd_quirks quirks; 144}; 145 146/* 147 * These quirk entries aren't strictly necessary. Basically, what they do 148 * is tell cdregister() up front that a device is a changer. Otherwise, it 149 * will figure that fact out once it sees a LUN on the device that is 150 * greater than 0. If it is known up front that a device is a changer, all 151 * I/O to the device will go through the changer scheduling routines, as 152 * opposed to the "normal" CD code. 153 */ 154static struct cd_quirk_entry cd_quirk_table[] = 155{ 156 { 157 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 158 /*quirks*/ CD_Q_CHANGER 159 }, 160 { 161 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 162 "*"}, /* quirks */ CD_Q_CHANGER 163 }, 164 { 165 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 166 /* quirks */ CD_Q_BCD_TRACKS 167 } 168}; 169 170#ifndef MIN 171#define MIN(x,y) ((x<y) ? x : y) 172#endif 173 174#define CD_CDEV_MAJOR 15 175#define CD_BDEV_MAJOR 6 176 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 cdreportkey(struct cam_periph *periph, 231 struct dvd_authinfo *authinfo); 232static int cdsendkey(struct cam_periph *periph, 233 struct dvd_authinfo *authinfo); 234static int cdreaddvdstructure(struct cam_periph *periph, 235 struct dvd_struct *dvdstruct); 236 237static struct periph_driver cddriver = 238{ 239 cdinit, "cd", 240 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 241}; 242 243DATA_SET(periphdriver_set, cddriver); 244 245/* For 2.2-stable support */ 246#ifndef D_DISK 247#define D_DISK 0 248#endif 249static struct cdevsw cd_cdevsw = { 250 /* open */ cdopen, 251 /* close */ cdclose, 252 /* read */ physread, 253 /* write */ nowrite, 254 /* ioctl */ cdioctl, 255 /* poll */ nopoll, 256 /* mmap */ nommap, 257 /* strategy */ cdstrategy, 258 /* name */ "cd", 259 /* maj */ CD_CDEV_MAJOR, 260 /* dump */ nodump, 261 /* psize */ nopsize, 262 /* flags */ D_DISK, 263 /* bmaj */ CD_BDEV_MAJOR 264}; 265static struct cdevsw cddisk_cdevsw; 266 267static struct extend_array *cdperiphs; 268static int num_changers; 269 270#ifndef CHANGER_MIN_BUSY_SECONDS 271#define CHANGER_MIN_BUSY_SECONDS 5 272#endif 273#ifndef CHANGER_MAX_BUSY_SECONDS 274#define CHANGER_MAX_BUSY_SECONDS 15 275#endif 276 277static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 278static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 279 280/* 281 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 282 * variables. 283 */ 284SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 285SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 286SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 287SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 288 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 289SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 290 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 291 292struct cdchanger { 293 path_id_t path_id; 294 target_id_t target_id; 295 int num_devices; 296 struct camq devq; 297 struct timeval start_time; 298 struct cd_softc *cur_device; 299 struct callout_handle short_handle; 300 struct callout_handle long_handle; 301 volatile cd_changer_flags flags; 302 STAILQ_ENTRY(cdchanger) changer_links; 303 STAILQ_HEAD(chdevlist, cd_softc) chluns; 304}; 305 306static STAILQ_HEAD(changerlist, cdchanger) changerq; 307 308void 309cdinit(void) 310{ 311 cam_status status; 312 struct cam_path *path; 313 314 /* 315 * Create our extend array for storing the devices we attach to. 316 */ 317 cdperiphs = cam_extend_new(); 318 if (cdperiphs == NULL) { 319 printf("cd: Failed to alloc extend array!\n"); 320 return; 321 } 322 323 /* 324 * Install a global async callback. This callback will 325 * receive async callbacks like "new device found". 326 */ 327 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 328 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 329 330 if (status == CAM_REQ_CMP) { 331 struct ccb_setasync csa; 332 333 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 334 csa.ccb_h.func_code = XPT_SASYNC_CB; 335 csa.event_enable = AC_FOUND_DEVICE; 336 csa.callback = cdasync; 337 csa.callback_arg = NULL; 338 xpt_action((union ccb *)&csa); 339 status = csa.ccb_h.status; 340 xpt_free_path(path); 341 } 342 343 if (status != CAM_REQ_CMP) { 344 printf("cd: Failed to attach master async callback " 345 "due to status 0x%x!\n", status); 346 } 347} 348 349static void 350cdoninvalidate(struct cam_periph *periph) 351{ 352 int s; 353 struct cd_softc *softc; 354 struct bio *q_bp; 355 struct ccb_setasync csa; 356 357 softc = (struct cd_softc *)periph->softc; 358 359 /* 360 * De-register any async callbacks. 361 */ 362 xpt_setup_ccb(&csa.ccb_h, periph->path, 363 /* priority */ 5); 364 csa.ccb_h.func_code = XPT_SASYNC_CB; 365 csa.event_enable = 0; 366 csa.callback = cdasync; 367 csa.callback_arg = periph; 368 xpt_action((union ccb *)&csa); 369 370 softc->flags |= CD_FLAG_INVALID; 371 372 /* 373 * Although the oninvalidate() routines are always called at 374 * splsoftcam, we need to be at splbio() here to keep the buffer 375 * queue from being modified while we traverse it. 376 */ 377 s = splbio(); 378 379 /* 380 * Return all queued I/O with ENXIO. 381 * XXX Handle any transactions queued to the card 382 * with XPT_ABORT_CCB. 383 */ 384 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 385 bioq_remove(&softc->bio_queue, q_bp); 386 q_bp->bio_resid = q_bp->bio_bcount; 387 q_bp->bio_error = ENXIO; 388 q_bp->bio_flags |= BIO_ERROR; 389 biodone(q_bp); 390 } 391 splx(s); 392 393 /* 394 * If this device is part of a changer, and it was scheduled 395 * to run, remove it from the run queue since we just nuked 396 * all of its scheduled I/O. 397 */ 398 if ((softc->flags & CD_FLAG_CHANGER) 399 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 400 camq_remove(&softc->changer->devq, softc->pinfo.index); 401 402 xpt_print_path(periph->path); 403 printf("lost device\n"); 404} 405 406static void 407cdcleanup(struct cam_periph *periph) 408{ 409 struct cd_softc *softc; 410 int s; 411 412 softc = (struct cd_softc *)periph->softc; 413 414 xpt_print_path(periph->path); 415 printf("removing device entry\n"); 416 417 s = splsoftcam(); 418 /* 419 * In the queued, non-active case, the device in question 420 * has already been removed from the changer run queue. Since this 421 * device is active, we need to de-activate it, and schedule 422 * another device to run. (if there is another one to run) 423 */ 424 if ((softc->flags & CD_FLAG_CHANGER) 425 && (softc->flags & CD_FLAG_ACTIVE)) { 426 427 /* 428 * The purpose of the short timeout is soley to determine 429 * whether the current device has finished or not. Well, 430 * since we're removing the active device, we know that it 431 * is finished. So, get rid of the short timeout. 432 * Otherwise, if we're in the time period before the short 433 * timeout fires, and there are no other devices in the 434 * queue to run, there won't be any other device put in the 435 * active slot. i.e., when we call cdrunchangerqueue() 436 * below, it won't do anything. Then, when the short 437 * timeout fires, it'll look at the "current device", which 438 * we are free below, and possibly panic the kernel on a 439 * bogus pointer reference. 440 * 441 * The long timeout doesn't really matter, since we 442 * decrement the qfrozen_cnt to indicate that there is 443 * nothing in the active slot now. Therefore, there won't 444 * be any bogus pointer references there. 445 */ 446 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 447 untimeout(cdshorttimeout, softc->changer, 448 softc->changer->short_handle); 449 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 450 } 451 softc->changer->devq.qfrozen_cnt--; 452 softc->changer->flags |= CHANGER_MANUAL_CALL; 453 cdrunchangerqueue(softc->changer); 454 } 455 456 /* 457 * If we're removing the last device on the changer, go ahead and 458 * remove the changer device structure. 459 */ 460 if ((softc->flags & CD_FLAG_CHANGER) 461 && (--softc->changer->num_devices == 0)) { 462 463 /* 464 * Theoretically, there shouldn't be any timeouts left, but 465 * I'm not completely sure that that will be the case. So, 466 * it won't hurt to check and see if there are any left. 467 */ 468 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 469 untimeout(cdrunchangerqueue, softc->changer, 470 softc->changer->long_handle); 471 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 472 } 473 474 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 475 untimeout(cdshorttimeout, softc->changer, 476 softc->changer->short_handle); 477 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 478 } 479 480 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 481 changer_links); 482 xpt_print_path(periph->path); 483 printf("removing changer entry\n"); 484 free(softc->changer, M_DEVBUF); 485 num_changers--; 486 } 487 devstat_remove_entry(&softc->device_stats); 488 cam_extend_release(cdperiphs, periph->unit_number); 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; 507 508 if (SID_TYPE(&cgd->inq_data) != T_CDROM 509 && SID_TYPE(&cgd->inq_data) != T_WORM) 510 break; 511 512 /* 513 * Allocate a peripheral instance for 514 * this device and start the probe 515 * process. 516 */ 517 status = cam_periph_alloc(cdregister, cdoninvalidate, 518 cdcleanup, cdstart, 519 "cd", CAM_PERIPH_BIO, 520 cgd->ccb_h.path, cdasync, 521 AC_FOUND_DEVICE, cgd); 522 523 if (status != CAM_REQ_CMP 524 && status != CAM_REQ_INPROG) 525 printf("cdasync: Unable to attach new device " 526 "due to status 0x%x\n", status); 527 528 break; 529 } 530 case AC_SENT_BDR: 531 case AC_BUS_RESET: 532 { 533 struct cd_softc *softc; 534 struct ccb_hdr *ccbh; 535 int s; 536 537 softc = (struct cd_softc *)periph->softc; 538 s = splsoftcam(); 539 /* 540 * Don't fail on the expected unit attention 541 * that will occur. 542 */ 543 softc->flags |= CD_FLAG_RETRY_UA; 544 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 545 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 546 ccbh->ccb_state |= CD_CCB_RETRY_UA; 547 splx(s); 548 /* FALLTHROUGH */ 549 } 550 default: 551 cam_periph_async(periph, code, path, arg); 552 break; 553 } 554} 555 556static cam_status 557cdregister(struct cam_periph *periph, void *arg) 558{ 559 struct cd_softc *softc; 560 struct ccb_setasync csa; 561 struct ccb_getdev *cgd; 562 caddr_t match; 563 564 cgd = (struct ccb_getdev *)arg; 565 if (periph == NULL) { 566 printf("cdregister: periph was NULL!!\n"); 567 return(CAM_REQ_CMP_ERR); 568 } 569 if (cgd == NULL) { 570 printf("cdregister: no getdev CCB, can't register device\n"); 571 return(CAM_REQ_CMP_ERR); 572 } 573 574 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 575 576 if (softc == NULL) { 577 printf("cdregister: Unable to probe new device. " 578 "Unable to allocate softc\n"); 579 return(CAM_REQ_CMP_ERR); 580 } 581 582 bzero(softc, sizeof(*softc)); 583 LIST_INIT(&softc->pending_ccbs); 584 softc->state = CD_STATE_PROBE; 585 bioq_init(&softc->bio_queue); 586 if (SID_IS_REMOVABLE(&cgd->inq_data)) 587 softc->flags |= CD_FLAG_DISC_REMOVABLE; 588 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 589 softc->flags |= CD_FLAG_TAGGED_QUEUING; 590 591 periph->softc = softc; 592 softc->periph = periph; 593 594 cam_extend_set(cdperiphs, periph->unit_number, periph); 595 596 /* 597 * See if this device has any quirks. 598 */ 599 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 600 (caddr_t)cd_quirk_table, 601 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 602 sizeof(*cd_quirk_table), scsi_inquiry_match); 603 604 if (match != NULL) 605 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 606 else 607 softc->quirks = CD_Q_NONE; 608 609 /* 610 * We need to register the statistics structure for this device, 611 * but we don't have the blocksize yet for it. So, we register 612 * the structure and indicate that we don't have the blocksize 613 * yet. Unlike other SCSI peripheral drivers, we explicitly set 614 * the device type here to be CDROM, rather than just ORing in 615 * the device type. This is because this driver can attach to either 616 * CDROM or WORM devices, and we want this peripheral driver to 617 * show up in the devstat list as a CD peripheral driver, not a 618 * WORM peripheral driver. WORM drives will also have the WORM 619 * driver attached to them. 620 */ 621 devstat_add_entry(&softc->device_stats, "cd", 622 periph->unit_number, 0, 623 DEVSTAT_BS_UNAVAILABLE, 624 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 625 DEVSTAT_PRIORITY_CD); 626 disk_create(periph->unit_number, &softc->disk, 627 DSO_NOLABELS | DSO_ONESLICE, 628 &cd_cdevsw, &cddisk_cdevsw); 629 630 /* 631 * Add an async callback so that we get 632 * notified if this device goes away. 633 */ 634 xpt_setup_ccb(&csa.ccb_h, periph->path, 635 /* priority */ 5); 636 csa.ccb_h.func_code = XPT_SASYNC_CB; 637 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 638 csa.callback = cdasync; 639 csa.callback_arg = periph; 640 xpt_action((union ccb *)&csa); 641 642 /* 643 * If the target lun is greater than 0, we most likely have a CD 644 * changer device. Check the quirk entries as well, though, just 645 * in case someone has a CD tower with one lun per drive or 646 * something like that. Also, if we know up front that a 647 * particular device is a changer, we can mark it as such starting 648 * with lun 0, instead of lun 1. It shouldn't be necessary to have 649 * a quirk entry to define something as a changer, however. 650 */ 651 if (((cgd->ccb_h.target_lun > 0) 652 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 653 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 654 struct cdchanger *nchanger; 655 struct cam_periph *nperiph; 656 struct cam_path *path; 657 cam_status status; 658 int found; 659 660 /* Set the changer flag in the current device's softc */ 661 softc->flags |= CD_FLAG_CHANGER; 662 663 if (num_changers == 0) 664 STAILQ_INIT(&changerq); 665 666 /* 667 * Now, look around for an existing changer device with the 668 * same path and target ID as the current device. 669 */ 670 for (found = 0, 671 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 672 nchanger != NULL; 673 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 674 if ((nchanger->path_id == cgd->ccb_h.path_id) 675 && (nchanger->target_id == cgd->ccb_h.target_id)) { 676 found = 1; 677 break; 678 } 679 } 680 681 /* 682 * If we found a matching entry, just add this device to 683 * the list of devices on this changer. 684 */ 685 if (found == 1) { 686 struct chdevlist *chlunhead; 687 688 chlunhead = &nchanger->chluns; 689 690 /* 691 * XXX KDM look at consolidating this code with the 692 * code below in a separate function. 693 */ 694 695 /* 696 * Create a path with lun id 0, and see if we can 697 * find a matching device 698 */ 699 status = xpt_create_path(&path, /*periph*/ periph, 700 cgd->ccb_h.path_id, 701 cgd->ccb_h.target_id, 0); 702 703 if ((status == CAM_REQ_CMP) 704 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 705 struct cd_softc *nsoftc; 706 707 nsoftc = (struct cd_softc *)nperiph->softc; 708 709 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 710 nsoftc->flags |= CD_FLAG_CHANGER; 711 nchanger->num_devices++; 712 if (camq_resize(&nchanger->devq, 713 nchanger->num_devices)!=CAM_REQ_CMP){ 714 printf("cdregister: " 715 "camq_resize " 716 "failed, changer " 717 "support may " 718 "be messed up\n"); 719 } 720 nsoftc->changer = nchanger; 721 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 722 723 STAILQ_INSERT_TAIL(&nchanger->chluns, 724 nsoftc,changer_links); 725 } 726 } else if (status == CAM_REQ_CMP) 727 xpt_free_path(path); 728 else { 729 printf("cdregister: unable to allocate path\n" 730 "cdregister: changer support may be " 731 "broken\n"); 732 } 733 734 nchanger->num_devices++; 735 736 softc->changer = nchanger; 737 softc->pinfo.index = CAM_UNQUEUED_INDEX; 738 739 if (camq_resize(&nchanger->devq, 740 nchanger->num_devices) != CAM_REQ_CMP) { 741 printf("cdregister: camq_resize " 742 "failed, changer support may " 743 "be messed up\n"); 744 } 745 746 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 747 } 748 /* 749 * In this case, we don't already have an entry for this 750 * particular changer, so we need to create one, add it to 751 * the queue, and queue this device on the list for this 752 * changer. Before we queue this device, however, we need 753 * to search for lun id 0 on this target, and add it to the 754 * queue first, if it exists. (and if it hasn't already 755 * been marked as part of the changer.) 756 */ 757 else { 758 nchanger = malloc(sizeof(struct cdchanger), 759 M_DEVBUF, M_NOWAIT); 760 761 if (nchanger == NULL) { 762 softc->flags &= ~CD_FLAG_CHANGER; 763 printf("cdregister: unable to malloc " 764 "changer structure\ncdregister: " 765 "changer support disabled\n"); 766 767 /* 768 * Yes, gotos can be gross but in this case 769 * I think it's justified.. 770 */ 771 goto cdregisterexit; 772 } 773 774 /* zero the structure */ 775 bzero(nchanger, sizeof(struct cdchanger)); 776 777 if (camq_init(&nchanger->devq, 1) != 0) { 778 softc->flags &= ~CD_FLAG_CHANGER; 779 printf("cdregister: changer support " 780 "disabled\n"); 781 goto cdregisterexit; 782 } 783 784 num_changers++; 785 786 nchanger->path_id = cgd->ccb_h.path_id; 787 nchanger->target_id = cgd->ccb_h.target_id; 788 789 /* this is superfluous, but it makes things clearer */ 790 nchanger->num_devices = 0; 791 792 STAILQ_INIT(&nchanger->chluns); 793 794 STAILQ_INSERT_TAIL(&changerq, nchanger, 795 changer_links); 796 797 /* 798 * Create a path with lun id 0, and see if we can 799 * find a matching device 800 */ 801 status = xpt_create_path(&path, /*periph*/ periph, 802 cgd->ccb_h.path_id, 803 cgd->ccb_h.target_id, 0); 804 805 /* 806 * If we were able to allocate the path, and if we 807 * find a matching device and it isn't already 808 * marked as part of a changer, then we add it to 809 * the current changer. 810 */ 811 if ((status == CAM_REQ_CMP) 812 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 813 && ((((struct cd_softc *)periph->softc)->flags & 814 CD_FLAG_CHANGER) == 0)) { 815 struct cd_softc *nsoftc; 816 817 nsoftc = (struct cd_softc *)nperiph->softc; 818 819 nsoftc->flags |= CD_FLAG_CHANGER; 820 nchanger->num_devices++; 821 if (camq_resize(&nchanger->devq, 822 nchanger->num_devices) != CAM_REQ_CMP) { 823 printf("cdregister: camq_resize " 824 "failed, changer support may " 825 "be messed up\n"); 826 } 827 nsoftc->changer = nchanger; 828 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 829 830 STAILQ_INSERT_TAIL(&nchanger->chluns, 831 nsoftc, changer_links); 832 } else if (status == CAM_REQ_CMP) 833 xpt_free_path(path); 834 else { 835 printf("cdregister: unable to allocate path\n" 836 "cdregister: changer support may be " 837 "broken\n"); 838 } 839 840 softc->changer = nchanger; 841 softc->pinfo.index = CAM_UNQUEUED_INDEX; 842 nchanger->num_devices++; 843 if (camq_resize(&nchanger->devq, 844 nchanger->num_devices) != CAM_REQ_CMP) { 845 printf("cdregister: camq_resize " 846 "failed, changer support may " 847 "be messed up\n"); 848 } 849 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 850 changer_links); 851 } 852 } 853 854cdregisterexit: 855 856 /* Lock this peripheral until we are setup */ 857 /* Can't block */ 858 cam_periph_lock(periph, PRIBIO); 859 860 if ((softc->flags & CD_FLAG_CHANGER) == 0) 861 xpt_schedule(periph, /*priority*/5); 862 else 863 cdschedule(periph, /*priority*/ 5); 864 865 return(CAM_REQ_CMP); 866} 867 868static int 869cdopen(dev_t dev, int flags, int fmt, struct proc *p) 870{ 871 struct disklabel *label; 872 struct cam_periph *periph; 873 struct cd_softc *softc; 874 struct ccb_getdev cgd; 875 u_int32_t size; 876 int unit, error; 877 int s; 878 879 unit = dkunit(dev); 880 periph = cam_extend_get(cdperiphs, unit); 881 882 if (periph == NULL) 883 return (ENXIO); 884 885 softc = (struct cd_softc *)periph->softc; 886 887 /* 888 * Grab splsoftcam and hold it until we lock the peripheral. 889 */ 890 s = splsoftcam(); 891 if (softc->flags & CD_FLAG_INVALID) { 892 splx(s); 893 return(ENXIO); 894 } 895 896 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 897 splx(s); 898 return (error); 899 } 900 901 splx(s); 902 903 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 904 return(ENXIO); 905 906 cdprevent(periph, PR_PREVENT); 907 908 /* find out the size */ 909 if ((error = cdsize(dev, &size)) != 0) { 910 cdprevent(periph, PR_ALLOW); 911 cam_periph_unlock(periph); 912 cam_periph_release(periph); 913 return(error); 914 } 915 916 /* 917 * Build prototype label for whole disk. 918 * Should take information about different data tracks from the 919 * TOC and put it in the partition table. 920 */ 921 label = &softc->disk.d_label; 922 bzero(label, sizeof(*label)); 923 label->d_type = DTYPE_SCSI; 924 925 /* 926 * Grab the inquiry data to get the vendor and product names. 927 * Put them in the typename and packname for the label. 928 */ 929 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 930 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 931 xpt_action((union ccb *)&cgd); 932 933 strncpy(label->d_typename, cgd.inq_data.vendor, 934 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 935 strncpy(label->d_packname, cgd.inq_data.product, 936 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 937 938 label->d_secsize = softc->params.blksize; 939 label->d_secperunit = softc->params.disksize; 940 label->d_flags = D_REMOVABLE; 941 /* 942 * Make partition 'a' cover the whole disk. This is a temporary 943 * compatibility hack. The 'a' partition should not exist, so 944 * the slice code won't create it. The slice code will make 945 * partition (RAW_PART + 'a') cover the whole disk and fill in 946 * some more defaults. 947 */ 948 label->d_partitions[0].p_size = label->d_secperunit; 949 label->d_partitions[0].p_fstype = FS_OTHER; 950 951 /* 952 * We unconditionally (re)set the blocksize each time the 953 * CD device is opened. This is because the CD can change, 954 * and therefore the blocksize might change. 955 * XXX problems here if some slice or partition is still 956 * open with the old size? 957 */ 958 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 959 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 960 softc->device_stats.block_size = softc->params.blksize; 961 962 cam_periph_unlock(periph); 963 964 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 965 966 return (error); 967} 968 969static int 970cdclose(dev_t dev, int flag, int fmt, struct proc *p) 971{ 972 struct cam_periph *periph; 973 struct cd_softc *softc; 974 int unit, error; 975 976 unit = dkunit(dev); 977 periph = cam_extend_get(cdperiphs, unit); 978 if (periph == NULL) 979 return (ENXIO); 980 981 softc = (struct cd_softc *)periph->softc; 982 983 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 984 return (error); 985 986 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 987 cdprevent(periph, PR_ALLOW); 988 989 /* 990 * Since we're closing this CD, mark the blocksize as unavailable. 991 * It will be marked as available whence the CD is opened again. 992 */ 993 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 994 995 cam_periph_unlock(periph); 996 cam_periph_release(periph); 997 998 return (0); 999} 1000 1001static void 1002cdshorttimeout(void *arg) 1003{ 1004 struct cdchanger *changer; 1005 int s; 1006 1007 s = splsoftcam(); 1008 1009 changer = (struct cdchanger *)arg; 1010 1011 /* Always clear the short timeout flag, since that's what we're in */ 1012 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1013 1014 /* 1015 * Check to see if there is any more pending or outstanding I/O for 1016 * this device. If not, move it out of the active slot. 1017 */ 1018 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1019 && (changer->cur_device->device_stats.busy_count == 0)) { 1020 changer->flags |= CHANGER_MANUAL_CALL; 1021 cdrunchangerqueue(changer); 1022 } 1023 1024 splx(s); 1025} 1026 1027/* 1028 * This is a wrapper for xpt_schedule. It only applies to changers. 1029 */ 1030static void 1031cdschedule(struct cam_periph *periph, int priority) 1032{ 1033 struct cd_softc *softc; 1034 int s; 1035 1036 s = splsoftcam(); 1037 1038 softc = (struct cd_softc *)periph->softc; 1039 1040 /* 1041 * If this device isn't currently queued, and if it isn't 1042 * the active device, then we queue this device and run the 1043 * changer queue if there is no timeout scheduled to do it. 1044 * If this device is the active device, just schedule it 1045 * to run again. If this device is queued, there should be 1046 * a timeout in place already that will make sure it runs. 1047 */ 1048 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1049 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1050 /* 1051 * We don't do anything with the priority here. 1052 * This is strictly a fifo queue. 1053 */ 1054 softc->pinfo.priority = 1; 1055 softc->pinfo.generation = ++softc->changer->devq.generation; 1056 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1057 1058 /* 1059 * Since we just put a device in the changer queue, 1060 * check and see if there is a timeout scheduled for 1061 * this changer. If so, let the timeout handle 1062 * switching this device into the active slot. If 1063 * not, manually call the timeout routine to 1064 * bootstrap things. 1065 */ 1066 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1067 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1068 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1069 softc->changer->flags |= CHANGER_MANUAL_CALL; 1070 cdrunchangerqueue(softc->changer); 1071 } 1072 } else if ((softc->flags & CD_FLAG_ACTIVE) 1073 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1074 xpt_schedule(periph, priority); 1075 1076 splx(s); 1077 1078} 1079 1080static void 1081cdrunchangerqueue(void *arg) 1082{ 1083 struct cd_softc *softc; 1084 struct cdchanger *changer; 1085 int called_from_timeout; 1086 int s; 1087 1088 s = splsoftcam(); 1089 1090 changer = (struct cdchanger *)arg; 1091 1092 /* 1093 * If we have NOT been called from cdstrategy() or cddone(), and 1094 * instead from a timeout routine, go ahead and clear the 1095 * timeout flag. 1096 */ 1097 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1098 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1099 called_from_timeout = 1; 1100 } else 1101 called_from_timeout = 0; 1102 1103 /* Always clear the manual call flag */ 1104 changer->flags &= ~CHANGER_MANUAL_CALL; 1105 1106 /* nothing to do if the queue is empty */ 1107 if (changer->devq.entries <= 0) { 1108 splx(s); 1109 return; 1110 } 1111 1112 /* 1113 * If the changer queue is frozen, that means we have an active 1114 * device. 1115 */ 1116 if (changer->devq.qfrozen_cnt > 0) { 1117 1118 if (changer->cur_device->device_stats.busy_count > 0) { 1119 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1120 changer->cur_device->bufs_left = 1121 changer->cur_device->device_stats.busy_count; 1122 if (called_from_timeout) { 1123 changer->long_handle = 1124 timeout(cdrunchangerqueue, changer, 1125 changer_max_busy_seconds * hz); 1126 changer->flags |= CHANGER_TIMEOUT_SCHED; 1127 } 1128 splx(s); 1129 return; 1130 } 1131 1132 /* 1133 * We always need to reset the frozen count and clear the 1134 * active flag. 1135 */ 1136 changer->devq.qfrozen_cnt--; 1137 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1138 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1139 1140 /* 1141 * Check to see whether the current device has any I/O left 1142 * to do. If so, requeue it at the end of the queue. If 1143 * not, there is no need to requeue it. 1144 */ 1145 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1146 1147 changer->cur_device->pinfo.generation = 1148 ++changer->devq.generation; 1149 camq_insert(&changer->devq, 1150 (cam_pinfo *)changer->cur_device); 1151 } 1152 } 1153 1154 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1155 1156 changer->cur_device = softc; 1157 1158 changer->devq.qfrozen_cnt++; 1159 softc->flags |= CD_FLAG_ACTIVE; 1160 1161 /* Just in case this device is waiting */ 1162 wakeup(&softc->changer); 1163 xpt_schedule(softc->periph, /*priority*/ 1); 1164 1165 /* 1166 * Get rid of any pending timeouts, and set a flag to schedule new 1167 * ones so this device gets its full time quantum. 1168 */ 1169 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1170 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1171 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1172 } 1173 1174 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1175 untimeout(cdshorttimeout, changer, changer->short_handle); 1176 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1177 } 1178 1179 /* 1180 * We need to schedule timeouts, but we only do this after the 1181 * first transaction has completed. This eliminates the changer 1182 * switch time. 1183 */ 1184 changer->flags |= CHANGER_NEED_TIMEOUT; 1185 1186 splx(s); 1187} 1188 1189static void 1190cdchangerschedule(struct cd_softc *softc) 1191{ 1192 struct cdchanger *changer; 1193 int s; 1194 1195 s = splsoftcam(); 1196 1197 changer = softc->changer; 1198 1199 /* 1200 * If this is a changer, and this is the current device, 1201 * and this device has at least the minimum time quantum to 1202 * run, see if we can switch it out. 1203 */ 1204 if ((softc->flags & CD_FLAG_ACTIVE) 1205 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1206 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1207 /* 1208 * We try three things here. The first is that we 1209 * check to see whether the schedule on completion 1210 * flag is set. If it is, we decrement the number 1211 * of buffers left, and if it's zero, we reschedule. 1212 * Next, we check to see whether the pending buffer 1213 * queue is empty and whether there are no 1214 * outstanding transactions. If so, we reschedule. 1215 * Next, we see if the pending buffer queue is empty. 1216 * If it is, we set the number of buffers left to 1217 * the current active buffer count and set the 1218 * schedule on complete flag. 1219 */ 1220 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1221 if (--softc->bufs_left == 0) { 1222 softc->changer->flags |= 1223 CHANGER_MANUAL_CALL; 1224 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1225 cdrunchangerqueue(softc->changer); 1226 } 1227 } else if ((bioq_first(&softc->bio_queue) == NULL) 1228 && (softc->device_stats.busy_count == 0)) { 1229 softc->changer->flags |= CHANGER_MANUAL_CALL; 1230 cdrunchangerqueue(softc->changer); 1231 } 1232 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1233 && (softc->flags & CD_FLAG_ACTIVE)) { 1234 1235 /* 1236 * Now that the first transaction to this 1237 * particular device has completed, we can go ahead 1238 * and schedule our timeouts. 1239 */ 1240 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1241 changer->long_handle = 1242 timeout(cdrunchangerqueue, changer, 1243 changer_max_busy_seconds * hz); 1244 changer->flags |= CHANGER_TIMEOUT_SCHED; 1245 } else 1246 printf("cdchangerschedule: already have a long" 1247 " timeout!\n"); 1248 1249 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1250 changer->short_handle = 1251 timeout(cdshorttimeout, changer, 1252 changer_min_busy_seconds * hz); 1253 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1254 } else 1255 printf("cdchangerschedule: already have a short " 1256 "timeout!\n"); 1257 1258 /* 1259 * We just scheduled timeouts, no need to schedule 1260 * more. 1261 */ 1262 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1263 1264 } 1265 splx(s); 1266} 1267 1268static int 1269cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1270 u_int32_t cam_flags, 1271 u_int32_t sense_flags), 1272 u_int32_t cam_flags, u_int32_t sense_flags) 1273{ 1274 struct cd_softc *softc; 1275 struct cam_periph *periph; 1276 int error; 1277 1278 periph = xpt_path_periph(ccb->ccb_h.path); 1279 softc = (struct cd_softc *)periph->softc; 1280 1281 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1282 &softc->device_stats); 1283 1284 if (softc->flags & CD_FLAG_CHANGER) 1285 cdchangerschedule(softc); 1286 1287 return(error); 1288} 1289 1290static union ccb * 1291cdgetccb(struct cam_periph *periph, u_int32_t priority) 1292{ 1293 struct cd_softc *softc; 1294 int s; 1295 1296 softc = (struct cd_softc *)periph->softc; 1297 1298 if (softc->flags & CD_FLAG_CHANGER) { 1299 1300 s = splsoftcam(); 1301 1302 /* 1303 * This should work the first time this device is woken up, 1304 * but just in case it doesn't, we use a while loop. 1305 */ 1306 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1307 /* 1308 * If this changer isn't already queued, queue it up. 1309 */ 1310 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1311 softc->pinfo.priority = 1; 1312 softc->pinfo.generation = 1313 ++softc->changer->devq.generation; 1314 camq_insert(&softc->changer->devq, 1315 (cam_pinfo *)softc); 1316 } 1317 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1318 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1319 && ((softc->changer->flags 1320 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1321 softc->changer->flags |= CHANGER_MANUAL_CALL; 1322 cdrunchangerqueue(softc->changer); 1323 } else 1324 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1325 } 1326 splx(s); 1327 } 1328 return(cam_periph_getccb(periph, priority)); 1329} 1330 1331 1332/* 1333 * Actually translate the requested transfer into one the physical driver 1334 * can understand. The transfer is described by a buf and will include 1335 * only one physical transfer. 1336 */ 1337static void 1338cdstrategy(struct bio *bp) 1339{ 1340 struct cam_periph *periph; 1341 struct cd_softc *softc; 1342 u_int unit, part; 1343 int s; 1344 1345 unit = dkunit(bp->bio_dev); 1346 part = dkpart(bp->bio_dev); 1347 periph = cam_extend_get(cdperiphs, unit); 1348 if (periph == NULL) { 1349 bp->bio_error = ENXIO; 1350 goto bad; 1351 } 1352 1353 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1354 1355 softc = (struct cd_softc *)periph->softc; 1356 1357 /* 1358 * Mask interrupts so that the pack cannot be invalidated until 1359 * after we are in the queue. Otherwise, we might not properly 1360 * clean up one of the buffers. 1361 */ 1362 s = splbio(); 1363 1364 /* 1365 * If the device has been made invalid, error out 1366 */ 1367 if ((softc->flags & CD_FLAG_INVALID)) { 1368 splx(s); 1369 bp->bio_error = ENXIO; 1370 goto bad; 1371 } 1372 1373 /* 1374 * Place it in the queue of disk activities for this disk 1375 */ 1376 bioqdisksort(&softc->bio_queue, bp); 1377 1378 splx(s); 1379 1380 /* 1381 * Schedule ourselves for performing the work. We do things 1382 * differently for changers. 1383 */ 1384 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1385 xpt_schedule(periph, /* XXX priority */1); 1386 else 1387 cdschedule(periph, /* priority */ 1); 1388 1389 return; 1390bad: 1391 bp->bio_flags |= BIO_ERROR; 1392 /* 1393 * Correctly set the buf to indicate a completed xfer 1394 */ 1395 bp->bio_resid = bp->bio_bcount; 1396 biodone(bp); 1397 return; 1398} 1399 1400static void 1401cdstart(struct cam_periph *periph, union ccb *start_ccb) 1402{ 1403 struct cd_softc *softc; 1404 struct bio *bp; 1405 struct ccb_scsiio *csio; 1406 struct scsi_read_capacity_data *rcap; 1407 int s; 1408 1409 softc = (struct cd_softc *)periph->softc; 1410 1411 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1412 1413 switch (softc->state) { 1414 case CD_STATE_NORMAL: 1415 { 1416 int oldspl; 1417 1418 s = splbio(); 1419 bp = bioq_first(&softc->bio_queue); 1420 if (periph->immediate_priority <= periph->pinfo.priority) { 1421 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1422 1423 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1424 periph_links.sle); 1425 periph->immediate_priority = CAM_PRIORITY_NONE; 1426 splx(s); 1427 wakeup(&periph->ccb_list); 1428 } else if (bp == NULL) { 1429 splx(s); 1430 xpt_release_ccb(start_ccb); 1431 } else { 1432 bioq_remove(&softc->bio_queue, bp); 1433 1434 devstat_start_transaction(&softc->device_stats); 1435 1436 scsi_read_write(&start_ccb->csio, 1437 /*retries*/4, 1438 /* cbfcnp */ cddone, 1439 (bp->bio_flags & BIO_ORDERED) != 0 ? 1440 MSG_ORDERED_Q_TAG : 1441 MSG_SIMPLE_Q_TAG, 1442 /* read */bp->bio_cmd == BIO_READ, 1443 /* byte2 */ 0, 1444 /* minimum_cmd_size */ 10, 1445 /* lba */ bp->bio_pblkno, 1446 bp->bio_bcount / softc->params.blksize, 1447 /* data_ptr */ bp->bio_data, 1448 /* dxfer_len */ bp->bio_bcount, 1449 /* sense_len */ SSD_FULL_SIZE, 1450 /* timeout */ 30000); 1451 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1452 1453 1454 /* 1455 * Block out any asyncronous callbacks 1456 * while we touch the pending ccb list. 1457 */ 1458 oldspl = splcam(); 1459 LIST_INSERT_HEAD(&softc->pending_ccbs, 1460 &start_ccb->ccb_h, periph_links.le); 1461 splx(oldspl); 1462 1463 /* We expect a unit attention from this device */ 1464 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1465 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1466 softc->flags &= ~CD_FLAG_RETRY_UA; 1467 } 1468 1469 start_ccb->ccb_h.ccb_bp = bp; 1470 bp = bioq_first(&softc->bio_queue); 1471 splx(s); 1472 1473 xpt_action(start_ccb); 1474 } 1475 if (bp != NULL) { 1476 /* Have more work to do, so ensure we stay scheduled */ 1477 xpt_schedule(periph, /* XXX priority */1); 1478 } 1479 break; 1480 } 1481 case CD_STATE_PROBE: 1482 { 1483 1484 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1485 M_TEMP, 1486 M_NOWAIT); 1487 if (rcap == NULL) { 1488 xpt_print_path(periph->path); 1489 printf("cdstart: Couldn't malloc read_capacity data\n"); 1490 /* cd_free_periph??? */ 1491 break; 1492 } 1493 csio = &start_ccb->csio; 1494 scsi_read_capacity(csio, 1495 /*retries*/1, 1496 cddone, 1497 MSG_SIMPLE_Q_TAG, 1498 rcap, 1499 SSD_FULL_SIZE, 1500 /*timeout*/20000); 1501 start_ccb->ccb_h.ccb_bp = NULL; 1502 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1503 xpt_action(start_ccb); 1504 break; 1505 } 1506 } 1507} 1508 1509static void 1510cddone(struct cam_periph *periph, union ccb *done_ccb) 1511{ 1512 struct cd_softc *softc; 1513 struct ccb_scsiio *csio; 1514 1515 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1516 1517 softc = (struct cd_softc *)periph->softc; 1518 csio = &done_ccb->csio; 1519 1520 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1521 case CD_CCB_BUFFER_IO: 1522 { 1523 struct bio *bp; 1524 int error; 1525 int oldspl; 1526 1527 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1528 error = 0; 1529 1530 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1531 int sf; 1532 1533 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1534 sf = SF_RETRY_UA; 1535 else 1536 sf = 0; 1537 1538 /* Retry selection timeouts */ 1539 sf |= SF_RETRY_SELTO; 1540 1541 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1542 /* 1543 * A retry was scheuled, so 1544 * just return. 1545 */ 1546 return; 1547 } 1548 } 1549 1550 if (error != 0) { 1551 int s; 1552 struct bio *q_bp; 1553 1554 xpt_print_path(periph->path); 1555 printf("cddone: got error %#x back\n", error); 1556 s = splbio(); 1557 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1558 bioq_remove(&softc->bio_queue, q_bp); 1559 q_bp->bio_resid = q_bp->bio_bcount; 1560 q_bp->bio_error = EIO; 1561 q_bp->bio_flags |= BIO_ERROR; 1562 biodone(q_bp); 1563 } 1564 splx(s); 1565 bp->bio_resid = bp->bio_bcount; 1566 bp->bio_error = error; 1567 bp->bio_flags |= BIO_ERROR; 1568 cam_release_devq(done_ccb->ccb_h.path, 1569 /*relsim_flags*/0, 1570 /*reduction*/0, 1571 /*timeout*/0, 1572 /*getcount_only*/0); 1573 1574 } else { 1575 bp->bio_resid = csio->resid; 1576 bp->bio_error = 0; 1577 if (bp->bio_resid != 0) { 1578 /* Short transfer ??? */ 1579 bp->bio_flags |= BIO_ERROR; 1580 } 1581 } 1582 1583 /* 1584 * Block out any asyncronous callbacks 1585 * while we touch the pending ccb list. 1586 */ 1587 oldspl = splcam(); 1588 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1589 splx(oldspl); 1590 1591 if (softc->flags & CD_FLAG_CHANGER) 1592 cdchangerschedule(softc); 1593 1594 devstat_end_transaction_bio(&softc->device_stats, bp); 1595 biodone(bp); 1596 break; 1597 } 1598 case CD_CCB_PROBE: 1599 { 1600 struct scsi_read_capacity_data *rdcap; 1601 char announce_buf[120]; /* 1602 * Currently (9/30/97) the 1603 * longest possible announce 1604 * buffer is 108 bytes, for the 1605 * first error case below. 1606 * That is 39 bytes for the 1607 * basic string, 16 bytes for the 1608 * biggest sense key (hardware 1609 * error), 52 bytes for the 1610 * text of the largest sense 1611 * qualifier valid for a CDROM, 1612 * (0x72, 0x03 or 0x04, 1613 * 0x03), and one byte for the 1614 * null terminating character. 1615 * To allow for longer strings, 1616 * the announce buffer is 120 1617 * bytes. 1618 */ 1619 struct cd_params *cdp; 1620 1621 cdp = &softc->params; 1622 1623 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1624 1625 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1626 cdp->blksize = scsi_4btoul (rdcap->length); 1627 1628 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1629 1630 snprintf(announce_buf, sizeof(announce_buf), 1631 "cd present [%lu x %lu byte records]", 1632 cdp->disksize, (u_long)cdp->blksize); 1633 1634 } else { 1635 int error; 1636 /* 1637 * Retry any UNIT ATTENTION type errors. They 1638 * are expected at boot. 1639 */ 1640 error = cderror(done_ccb, 0, SF_RETRY_UA | 1641 SF_NO_PRINT | SF_RETRY_SELTO); 1642 if (error == ERESTART) { 1643 /* 1644 * A retry was scheuled, so 1645 * just return. 1646 */ 1647 return; 1648 } else if (error != 0) { 1649 1650 struct scsi_sense_data *sense; 1651 int asc, ascq; 1652 int sense_key, error_code; 1653 int have_sense; 1654 cam_status status; 1655 struct ccb_getdev cgd; 1656 1657 /* Don't wedge this device's queue */ 1658 cam_release_devq(done_ccb->ccb_h.path, 1659 /*relsim_flags*/0, 1660 /*reduction*/0, 1661 /*timeout*/0, 1662 /*getcount_only*/0); 1663 1664 status = done_ccb->ccb_h.status; 1665 1666 xpt_setup_ccb(&cgd.ccb_h, 1667 done_ccb->ccb_h.path, 1668 /* priority */ 1); 1669 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1670 xpt_action((union ccb *)&cgd); 1671 1672 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1673 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1674 || ((status & CAM_AUTOSNS_VALID) == 0)) 1675 have_sense = FALSE; 1676 else 1677 have_sense = TRUE; 1678 1679 if (have_sense) { 1680 sense = &csio->sense_data; 1681 scsi_extract_sense(sense, &error_code, 1682 &sense_key, 1683 &asc, &ascq); 1684 } 1685 /* 1686 * Attach to anything that claims to be a 1687 * CDROM or WORM device, as long as it 1688 * doesn't return a "Logical unit not 1689 * supported" (0x25) error. 1690 */ 1691 if ((have_sense) && (asc != 0x25) 1692 && (error_code == SSD_CURRENT_ERROR)) 1693 snprintf(announce_buf, 1694 sizeof(announce_buf), 1695 "Attempt to query device " 1696 "size failed: %s, %s", 1697 scsi_sense_key_text[sense_key], 1698 scsi_sense_desc(asc,ascq, 1699 &cgd.inq_data)); 1700 else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1701 /* 1702 * We only print out an error for 1703 * CDROM type devices. For WORM 1704 * devices, we don't print out an 1705 * error since a few WORM devices 1706 * don't support CDROM commands. 1707 * If we have sense information, go 1708 * ahead and print it out. 1709 * Otherwise, just say that we 1710 * couldn't attach. 1711 */ 1712 1713 /* 1714 * Just print out the error, not 1715 * the full probe message, when we 1716 * don't attach. 1717 */ 1718 if (have_sense) 1719 scsi_sense_print( 1720 &done_ccb->csio); 1721 else { 1722 xpt_print_path(periph->path); 1723 printf("got CAM status %#x\n", 1724 done_ccb->ccb_h.status); 1725 } 1726 xpt_print_path(periph->path); 1727 printf("fatal error, failed" 1728 " to attach to device\n"); 1729 1730 /* 1731 * Invalidate this peripheral. 1732 */ 1733 cam_periph_invalidate(periph); 1734 1735 announce_buf[0] = '\0'; 1736 } else { 1737 1738 /* 1739 * Invalidate this peripheral. 1740 */ 1741 cam_periph_invalidate(periph); 1742 announce_buf[0] = '\0'; 1743 } 1744 } 1745 } 1746 free(rdcap, M_TEMP); 1747 if (announce_buf[0] != '\0') { 1748 xpt_announce_periph(periph, announce_buf); 1749 if (softc->flags & CD_FLAG_CHANGER) 1750 cdchangerschedule(softc); 1751 } 1752 softc->state = CD_STATE_NORMAL; 1753 /* 1754 * Since our peripheral may be invalidated by an error 1755 * above or an external event, we must release our CCB 1756 * before releasing the probe lock on the peripheral. 1757 * The peripheral will only go away once the last lock 1758 * is removed, and we need it around for the CCB release 1759 * operation. 1760 */ 1761 xpt_release_ccb(done_ccb); 1762 cam_periph_unlock(periph); 1763 return; 1764 } 1765 case CD_CCB_WAITING: 1766 { 1767 /* Caller will release the CCB */ 1768 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1769 ("trying to wakeup ccbwait\n")); 1770 1771 wakeup(&done_ccb->ccb_h.cbfcnp); 1772 return; 1773 } 1774 default: 1775 break; 1776 } 1777 xpt_release_ccb(done_ccb); 1778} 1779 1780static int 1781cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1782{ 1783 1784 struct cam_periph *periph; 1785 struct cd_softc *softc; 1786 int error, unit; 1787 1788 unit = dkunit(dev); 1789 1790 periph = cam_extend_get(cdperiphs, unit); 1791 if (periph == NULL) 1792 return(ENXIO); 1793 1794 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1795 1796 softc = (struct cd_softc *)periph->softc; 1797 1798 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1799 ("trying to do ioctl %#lx\n", cmd)); 1800 1801 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1802 1803 if (error != 0) 1804 return(error); 1805 1806 switch (cmd) { 1807 1808 case CDIOCPLAYTRACKS: 1809 { 1810 struct ioc_play_track *args 1811 = (struct ioc_play_track *) addr; 1812 struct cd_mode_data *data; 1813 1814 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1815 M_WAITOK); 1816 1817 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1818 ("trying to do CDIOCPLAYTRACKS\n")); 1819 1820 error = cdgetmode(periph, data, AUDIO_PAGE); 1821 if (error) { 1822 free(data, M_TEMP); 1823 break; 1824 } 1825 data->page.audio.flags &= ~CD_PA_SOTC; 1826 data->page.audio.flags |= CD_PA_IMMED; 1827 error = cdsetmode(periph, data); 1828 free(data, M_TEMP); 1829 if (error) 1830 break; 1831 if (softc->quirks & CD_Q_BCD_TRACKS) { 1832 args->start_track = bin2bcd(args->start_track); 1833 args->end_track = bin2bcd(args->end_track); 1834 } 1835 error = cdplaytracks(periph, 1836 args->start_track, 1837 args->start_index, 1838 args->end_track, 1839 args->end_index); 1840 } 1841 break; 1842 case CDIOCPLAYMSF: 1843 { 1844 struct ioc_play_msf *args 1845 = (struct ioc_play_msf *) addr; 1846 struct cd_mode_data *data; 1847 1848 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1849 M_WAITOK); 1850 1851 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1852 ("trying to do CDIOCPLAYMSF\n")); 1853 1854 error = cdgetmode(periph, data, AUDIO_PAGE); 1855 if (error) { 1856 free(data, M_TEMP); 1857 break; 1858 } 1859 data->page.audio.flags &= ~CD_PA_SOTC; 1860 data->page.audio.flags |= CD_PA_IMMED; 1861 error = cdsetmode(periph, data); 1862 free(data, M_TEMP); 1863 if (error) 1864 break; 1865 error = cdplaymsf(periph, 1866 args->start_m, 1867 args->start_s, 1868 args->start_f, 1869 args->end_m, 1870 args->end_s, 1871 args->end_f); 1872 } 1873 break; 1874 case CDIOCPLAYBLOCKS: 1875 { 1876 struct ioc_play_blocks *args 1877 = (struct ioc_play_blocks *) addr; 1878 struct cd_mode_data *data; 1879 1880 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1881 ("trying to do CDIOCPLAYBLOCKS\n")); 1882 1883 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1884 M_WAITOK); 1885 1886 error = cdgetmode(periph, data, AUDIO_PAGE); 1887 if (error) { 1888 free(data, M_TEMP); 1889 break; 1890 } 1891 data->page.audio.flags &= ~CD_PA_SOTC; 1892 data->page.audio.flags |= CD_PA_IMMED; 1893 error = cdsetmode(periph, data); 1894 free(data, M_TEMP); 1895 if (error) 1896 break; 1897 error = cdplay(periph, args->blk, args->len); 1898 } 1899 break; 1900 case CDIOCREADSUBCHANNEL: 1901 { 1902 struct ioc_read_subchannel *args 1903 = (struct ioc_read_subchannel *) addr; 1904 struct cd_sub_channel_info *data; 1905 u_int32_t len = args->data_len; 1906 1907 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1908 ("trying to do CDIOCREADSUBCHANNEL\n")); 1909 1910 data = malloc(sizeof(struct cd_sub_channel_info), 1911 M_TEMP, M_WAITOK); 1912 1913 if ((len > sizeof(struct cd_sub_channel_info)) || 1914 (len < sizeof(struct cd_sub_channel_header))) { 1915 printf( 1916 "scsi_cd: cdioctl: " 1917 "cdioreadsubchannel: error, len=%d\n", 1918 len); 1919 error = EINVAL; 1920 free(data, M_TEMP); 1921 break; 1922 } 1923 1924 if (softc->quirks & CD_Q_BCD_TRACKS) 1925 args->track = bin2bcd(args->track); 1926 1927 error = cdreadsubchannel(periph, args->address_format, 1928 args->data_format, args->track, data, len); 1929 1930 if (error) { 1931 free(data, M_TEMP); 1932 break; 1933 } 1934 if (softc->quirks & CD_Q_BCD_TRACKS) 1935 data->what.track_info.track_number = 1936 bcd2bin(data->what.track_info.track_number); 1937 len = min(len, ((data->header.data_len[0] << 8) + 1938 data->header.data_len[1] + 1939 sizeof(struct cd_sub_channel_header))); 1940 if (copyout(data, args->data, len) != 0) { 1941 error = EFAULT; 1942 } 1943 free(data, M_TEMP); 1944 } 1945 break; 1946 1947 case CDIOREADTOCHEADER: 1948 { 1949 struct ioc_toc_header *th; 1950 1951 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1952 ("trying to do CDIOREADTOCHEADER\n")); 1953 1954 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1955 M_WAITOK); 1956 error = cdreadtoc(periph, 0, 0, 1957 (struct cd_toc_entry *)th, 1958 sizeof (*th)); 1959 if (error) { 1960 free(th, M_TEMP); 1961 break; 1962 } 1963 if (softc->quirks & CD_Q_BCD_TRACKS) { 1964 /* we are going to have to convert the BCD 1965 * encoding on the cd to what is expected 1966 */ 1967 th->starting_track = 1968 bcd2bin(th->starting_track); 1969 th->ending_track = bcd2bin(th->ending_track); 1970 } 1971 NTOHS(th->len); 1972 bcopy(th, addr, sizeof(*th)); 1973 free(th, M_TEMP); 1974 } 1975 break; 1976 case CDIOREADTOCENTRYS: 1977 { 1978 typedef struct { 1979 struct ioc_toc_header header; 1980 struct cd_toc_entry entries[100]; 1981 } data_t; 1982 typedef struct { 1983 struct ioc_toc_header header; 1984 struct cd_toc_entry entry; 1985 } lead_t; 1986 1987 data_t *data; 1988 lead_t *lead; 1989 struct ioc_read_toc_entry *te = 1990 (struct ioc_read_toc_entry *) addr; 1991 struct ioc_toc_header *th; 1992 u_int32_t len, readlen, idx, num; 1993 u_int32_t starting_track = te->starting_track; 1994 1995 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1996 ("trying to do CDIOREADTOCENTRYS\n")); 1997 1998 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 1999 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2000 2001 if (te->data_len < sizeof(struct cd_toc_entry) 2002 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2003 || (te->address_format != CD_MSF_FORMAT 2004 && te->address_format != CD_LBA_FORMAT)) { 2005 error = EINVAL; 2006 printf("scsi_cd: error in readtocentries, " 2007 "returning EINVAL\n"); 2008 free(data, M_TEMP); 2009 free(lead, M_TEMP); 2010 break; 2011 } 2012 2013 th = &data->header; 2014 error = cdreadtoc(periph, 0, 0, 2015 (struct cd_toc_entry *)th, 2016 sizeof (*th)); 2017 if (error) { 2018 free(data, M_TEMP); 2019 free(lead, M_TEMP); 2020 break; 2021 } 2022 2023 if (softc->quirks & CD_Q_BCD_TRACKS) { 2024 /* we are going to have to convert the BCD 2025 * encoding on the cd to what is expected 2026 */ 2027 th->starting_track = 2028 bcd2bin(th->starting_track); 2029 th->ending_track = bcd2bin(th->ending_track); 2030 } 2031 2032 if (starting_track == 0) 2033 starting_track = th->starting_track; 2034 else if (starting_track == LEADOUT) 2035 starting_track = th->ending_track + 1; 2036 else if (starting_track < th->starting_track || 2037 starting_track > th->ending_track + 1) { 2038 printf("scsi_cd: error in readtocentries, " 2039 "returning EINVAL\n"); 2040 free(data, M_TEMP); 2041 free(lead, M_TEMP); 2042 error = EINVAL; 2043 break; 2044 } 2045 2046 /* calculate reading length without leadout entry */ 2047 readlen = (th->ending_track - starting_track + 1) * 2048 sizeof(struct cd_toc_entry); 2049 2050 /* and with leadout entry */ 2051 len = readlen + sizeof(struct cd_toc_entry); 2052 if (te->data_len < len) { 2053 len = te->data_len; 2054 if (readlen > len) 2055 readlen = len; 2056 } 2057 if (len > sizeof(data->entries)) { 2058 printf("scsi_cd: error in readtocentries, " 2059 "returning EINVAL\n"); 2060 error = EINVAL; 2061 free(data, M_TEMP); 2062 free(lead, M_TEMP); 2063 break; 2064 } 2065 num = len / sizeof(struct cd_toc_entry); 2066 2067 if (readlen > 0) { 2068 error = cdreadtoc(periph, te->address_format, 2069 starting_track, 2070 (struct cd_toc_entry *)data, 2071 readlen + sizeof (*th)); 2072 if (error) { 2073 free(data, M_TEMP); 2074 free(lead, M_TEMP); 2075 break; 2076 } 2077 } 2078 2079 /* make leadout entry if needed */ 2080 idx = starting_track + num - 1; 2081 if (softc->quirks & CD_Q_BCD_TRACKS) 2082 th->ending_track = bcd2bin(th->ending_track); 2083 if (idx == th->ending_track + 1) { 2084 error = cdreadtoc(periph, te->address_format, 2085 LEADOUT, 2086 (struct cd_toc_entry *)lead, 2087 sizeof(*lead)); 2088 if (error) { 2089 free(data, M_TEMP); 2090 free(lead, M_TEMP); 2091 break; 2092 } 2093 data->entries[idx - starting_track] = 2094 lead->entry; 2095 } 2096 if (softc->quirks & CD_Q_BCD_TRACKS) { 2097 for (idx = 0; idx < num - 1; idx++) { 2098 data->entries[idx].track = 2099 bcd2bin(data->entries[idx].track); 2100 } 2101 } 2102 2103 error = copyout(data->entries, te->data, len); 2104 free(data, M_TEMP); 2105 free(lead, M_TEMP); 2106 } 2107 break; 2108 case CDIOREADTOCENTRY: 2109 { 2110 /* yeah yeah, this is ugly */ 2111 typedef struct { 2112 struct ioc_toc_header header; 2113 struct cd_toc_entry entry; 2114 } data_t; 2115 2116 data_t *data; 2117 struct ioc_read_toc_single_entry *te = 2118 (struct ioc_read_toc_single_entry *) addr; 2119 struct ioc_toc_header *th; 2120 u_int32_t track; 2121 2122 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2123 ("trying to do CDIOREADTOCENTRY\n")); 2124 2125 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2126 2127 if (te->address_format != CD_MSF_FORMAT 2128 && te->address_format != CD_LBA_FORMAT) { 2129 printf("error in readtocentry, " 2130 " returning EINVAL\n"); 2131 free(data, M_TEMP); 2132 error = EINVAL; 2133 break; 2134 } 2135 2136 th = &data->header; 2137 error = cdreadtoc(periph, 0, 0, 2138 (struct cd_toc_entry *)th, 2139 sizeof (*th)); 2140 if (error) { 2141 free(data, M_TEMP); 2142 break; 2143 } 2144 2145 if (softc->quirks & CD_Q_BCD_TRACKS) { 2146 /* we are going to have to convert the BCD 2147 * encoding on the cd to what is expected 2148 */ 2149 th->starting_track = 2150 bcd2bin(th->starting_track); 2151 th->ending_track = bcd2bin(th->ending_track); 2152 } 2153 track = te->track; 2154 if (track == 0) 2155 track = th->starting_track; 2156 else if (track == LEADOUT) 2157 /* OK */; 2158 else if (track < th->starting_track || 2159 track > th->ending_track + 1) { 2160 printf("error in readtocentry, " 2161 " returning EINVAL\n"); 2162 free(data, M_TEMP); 2163 error = EINVAL; 2164 break; 2165 } 2166 2167 error = cdreadtoc(periph, te->address_format, track, 2168 (struct cd_toc_entry *)data, 2169 sizeof(data_t)); 2170 if (error) { 2171 free(data, M_TEMP); 2172 break; 2173 } 2174 2175 if (softc->quirks & CD_Q_BCD_TRACKS) 2176 data->entry.track = bcd2bin(data->entry.track); 2177 bcopy(&data->entry, &te->entry, 2178 sizeof(struct cd_toc_entry)); 2179 free(data, M_TEMP); 2180 } 2181 break; 2182 case CDIOCSETPATCH: 2183 { 2184 struct ioc_patch *arg = (struct ioc_patch *) addr; 2185 struct cd_mode_data *data; 2186 2187 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2188 ("trying to do CDIOCSETPATCH\n")); 2189 2190 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2191 M_WAITOK); 2192 error = cdgetmode(periph, data, AUDIO_PAGE); 2193 if (error) { 2194 free(data, M_TEMP); 2195 break; 2196 } 2197 data->page.audio.port[LEFT_PORT].channels = 2198 arg->patch[0]; 2199 data->page.audio.port[RIGHT_PORT].channels = 2200 arg->patch[1]; 2201 data->page.audio.port[2].channels = arg->patch[2]; 2202 data->page.audio.port[3].channels = arg->patch[3]; 2203 error = cdsetmode(periph, data); 2204 free(data, M_TEMP); 2205 } 2206 break; 2207 case CDIOCGETVOL: 2208 { 2209 struct ioc_vol *arg = (struct ioc_vol *) addr; 2210 struct cd_mode_data *data; 2211 2212 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2213 ("trying to do CDIOCGETVOL\n")); 2214 2215 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2216 M_WAITOK); 2217 error = cdgetmode(periph, data, AUDIO_PAGE); 2218 if (error) { 2219 free(data, M_TEMP); 2220 break; 2221 } 2222 arg->vol[LEFT_PORT] = 2223 data->page.audio.port[LEFT_PORT].volume; 2224 arg->vol[RIGHT_PORT] = 2225 data->page.audio.port[RIGHT_PORT].volume; 2226 arg->vol[2] = data->page.audio.port[2].volume; 2227 arg->vol[3] = data->page.audio.port[3].volume; 2228 free(data, M_TEMP); 2229 } 2230 break; 2231 case CDIOCSETVOL: 2232 { 2233 struct ioc_vol *arg = (struct ioc_vol *) addr; 2234 struct cd_mode_data *data; 2235 2236 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2237 ("trying to do CDIOCSETVOL\n")); 2238 2239 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2240 M_WAITOK); 2241 error = cdgetmode(periph, data, AUDIO_PAGE); 2242 if (error) { 2243 free(data, M_TEMP); 2244 break; 2245 } 2246 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2247 data->page.audio.port[LEFT_PORT].volume = 2248 arg->vol[LEFT_PORT]; 2249 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2250 data->page.audio.port[RIGHT_PORT].volume = 2251 arg->vol[RIGHT_PORT]; 2252 data->page.audio.port[2].volume = arg->vol[2]; 2253 data->page.audio.port[3].volume = arg->vol[3]; 2254 error = cdsetmode(periph, data); 2255 free(data, M_TEMP); 2256 } 2257 break; 2258 case CDIOCSETMONO: 2259 { 2260 struct cd_mode_data *data; 2261 2262 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2263 ("trying to do CDIOCSETMONO\n")); 2264 2265 data = malloc(sizeof(struct cd_mode_data), 2266 M_TEMP, M_WAITOK); 2267 error = cdgetmode(periph, data, AUDIO_PAGE); 2268 if (error) { 2269 free(data, M_TEMP); 2270 break; 2271 } 2272 data->page.audio.port[LEFT_PORT].channels = 2273 LEFT_CHANNEL | RIGHT_CHANNEL; 2274 data->page.audio.port[RIGHT_PORT].channels = 2275 LEFT_CHANNEL | RIGHT_CHANNEL; 2276 data->page.audio.port[2].channels = 0; 2277 data->page.audio.port[3].channels = 0; 2278 error = cdsetmode(periph, data); 2279 free(data, M_TEMP); 2280 } 2281 break; 2282 case CDIOCSETSTEREO: 2283 { 2284 struct cd_mode_data *data; 2285 2286 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2287 ("trying to do CDIOCSETSTEREO\n")); 2288 2289 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2290 M_WAITOK); 2291 error = cdgetmode(periph, data, AUDIO_PAGE); 2292 if (error) { 2293 free(data, M_TEMP); 2294 break; 2295 } 2296 data->page.audio.port[LEFT_PORT].channels = 2297 LEFT_CHANNEL; 2298 data->page.audio.port[RIGHT_PORT].channels = 2299 RIGHT_CHANNEL; 2300 data->page.audio.port[2].channels = 0; 2301 data->page.audio.port[3].channels = 0; 2302 error = cdsetmode(periph, data); 2303 free(data, M_TEMP); 2304 } 2305 break; 2306 case CDIOCSETMUTE: 2307 { 2308 struct cd_mode_data *data; 2309 2310 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2311 ("trying to do CDIOCSETMUTE\n")); 2312 2313 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2314 M_WAITOK); 2315 error = cdgetmode(periph, data, AUDIO_PAGE); 2316 if (error) { 2317 free(data, M_TEMP); 2318 break; 2319 } 2320 data->page.audio.port[LEFT_PORT].channels = 0; 2321 data->page.audio.port[RIGHT_PORT].channels = 0; 2322 data->page.audio.port[2].channels = 0; 2323 data->page.audio.port[3].channels = 0; 2324 error = cdsetmode(periph, data); 2325 free(data, M_TEMP); 2326 } 2327 break; 2328 case CDIOCSETLEFT: 2329 { 2330 struct cd_mode_data *data; 2331 2332 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2333 ("trying to do CDIOCSETLEFT\n")); 2334 2335 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2336 M_WAITOK); 2337 error = cdgetmode(periph, data, AUDIO_PAGE); 2338 if (error) { 2339 free(data, M_TEMP); 2340 break; 2341 } 2342 data->page.audio.port[LEFT_PORT].channels = 2343 LEFT_CHANNEL; 2344 data->page.audio.port[RIGHT_PORT].channels = 2345 LEFT_CHANNEL; 2346 data->page.audio.port[2].channels = 0; 2347 data->page.audio.port[3].channels = 0; 2348 error = cdsetmode(periph, data); 2349 free(data, M_TEMP); 2350 } 2351 break; 2352 case CDIOCSETRIGHT: 2353 { 2354 struct cd_mode_data *data; 2355 2356 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2357 ("trying to do CDIOCSETRIGHT\n")); 2358 2359 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2360 M_WAITOK); 2361 error = cdgetmode(periph, data, AUDIO_PAGE); 2362 if (error) { 2363 free(data, M_TEMP); 2364 break; 2365 } 2366 data->page.audio.port[LEFT_PORT].channels = 2367 RIGHT_CHANNEL; 2368 data->page.audio.port[RIGHT_PORT].channels = 2369 RIGHT_CHANNEL; 2370 data->page.audio.port[2].channels = 0; 2371 data->page.audio.port[3].channels = 0; 2372 error = cdsetmode(periph, data); 2373 free(data, M_TEMP); 2374 } 2375 break; 2376 case CDIOCRESUME: 2377 error = cdpause(periph, 1); 2378 break; 2379 case CDIOCPAUSE: 2380 error = cdpause(periph, 0); 2381 break; 2382 case CDIOCSTART: 2383 error = cdstartunit(periph); 2384 break; 2385 case CDIOCSTOP: 2386 error = cdstopunit(periph, 0); 2387 break; 2388 case CDIOCEJECT: 2389 error = cdstopunit(periph, 1); 2390 break; 2391 case CDIOCALLOW: 2392 cdprevent(periph, PR_ALLOW); 2393 break; 2394 case CDIOCPREVENT: 2395 cdprevent(periph, PR_PREVENT); 2396 break; 2397 case CDIOCSETDEBUG: 2398 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2399 error = ENOTTY; 2400 break; 2401 case CDIOCCLRDEBUG: 2402 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2403 error = ENOTTY; 2404 break; 2405 case CDIOCRESET: 2406 /* return (cd_reset(periph)); */ 2407 error = ENOTTY; 2408 break; 2409 case DVDIOCSENDKEY: 2410 case DVDIOCREPORTKEY: { 2411 struct dvd_authinfo *authinfo; 2412 2413 authinfo = (struct dvd_authinfo *)addr; 2414 2415 if (cmd == DVDIOCREPORTKEY) 2416 error = cdreportkey(periph, authinfo); 2417 else 2418 error = cdsendkey(periph, authinfo); 2419 break; 2420 } 2421 case DVDIOCREADSTRUCTURE: { 2422 struct dvd_struct *dvdstruct; 2423 2424 dvdstruct = (struct dvd_struct *)addr; 2425 2426 error = cdreaddvdstructure(periph, dvdstruct); 2427 2428 break; 2429 } 2430 default: 2431 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2432 break; 2433 } 2434 2435 cam_periph_unlock(periph); 2436 2437 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2438 2439 return (error); 2440} 2441 2442static void 2443cdprevent(struct cam_periph *periph, int action) 2444{ 2445 union ccb *ccb; 2446 struct cd_softc *softc; 2447 int error; 2448 2449 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2450 2451 softc = (struct cd_softc *)periph->softc; 2452 2453 if (((action == PR_ALLOW) 2454 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2455 || ((action == PR_PREVENT) 2456 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2457 return; 2458 } 2459 2460 ccb = cdgetccb(periph, /* priority */ 1); 2461 2462 scsi_prevent(&ccb->csio, 2463 /*retries*/ 1, 2464 cddone, 2465 MSG_SIMPLE_Q_TAG, 2466 action, 2467 SSD_FULL_SIZE, 2468 /* timeout */60000); 2469 2470 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2471 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2472 2473 xpt_release_ccb(ccb); 2474 2475 if (error == 0) { 2476 if (action == PR_ALLOW) 2477 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2478 else 2479 softc->flags |= CD_FLAG_DISC_LOCKED; 2480 } 2481} 2482 2483static int 2484cdsize(dev_t dev, u_int32_t *size) 2485{ 2486 struct cam_periph *periph; 2487 struct cd_softc *softc; 2488 union ccb *ccb; 2489 struct scsi_read_capacity_data *rcap_buf; 2490 int error; 2491 2492 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2493 2494 if (periph == NULL) 2495 return (ENXIO); 2496 2497 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2498 2499 softc = (struct cd_softc *)periph->softc; 2500 2501 ccb = cdgetccb(periph, /* priority */ 1); 2502 2503 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2504 M_TEMP, M_WAITOK); 2505 2506 scsi_read_capacity(&ccb->csio, 2507 /*retries*/ 1, 2508 cddone, 2509 MSG_SIMPLE_Q_TAG, 2510 rcap_buf, 2511 SSD_FULL_SIZE, 2512 /* timeout */20000); 2513 2514 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2515 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2516 2517 xpt_release_ccb(ccb); 2518 2519 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2520 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2521 /* 2522 * SCSI-3 mandates that the reported blocksize shall be 2048. 2523 * Older drives sometimes report funny values, trim it down to 2524 * 2048, or other parts of the kernel will get confused. 2525 * 2526 * XXX we leave drives alone that might report 512 bytes, as 2527 * well as drives reporting more weird sizes like perhaps 4K. 2528 */ 2529 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2530 softc->params.blksize = 2048; 2531 2532 free(rcap_buf, M_TEMP); 2533 *size = softc->params.disksize; 2534 2535 return (error); 2536 2537} 2538 2539static int 2540cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2541{ 2542 struct cd_softc *softc; 2543 struct cam_periph *periph; 2544 2545 periph = xpt_path_periph(ccb->ccb_h.path); 2546 softc = (struct cd_softc *)periph->softc; 2547 2548 /* 2549 * XXX 2550 * Until we have a better way of doing pack validation, 2551 * don't treat UAs as errors. 2552 */ 2553 sense_flags |= SF_RETRY_UA; 2554 return (cam_periph_error(ccb, cam_flags, sense_flags, 2555 &softc->saved_ccb)); 2556} 2557 2558/* 2559 * Read table of contents 2560 */ 2561static int 2562cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2563 struct cd_toc_entry *data, u_int32_t len) 2564{ 2565 struct scsi_read_toc *scsi_cmd; 2566 u_int32_t ntoc; 2567 struct ccb_scsiio *csio; 2568 union ccb *ccb; 2569 int error; 2570 2571 ntoc = len; 2572 error = 0; 2573 2574 ccb = cdgetccb(periph, /* priority */ 1); 2575 2576 csio = &ccb->csio; 2577 2578 cam_fill_csio(csio, 2579 /* retries */ 1, 2580 /* cbfcnp */ cddone, 2581 /* flags */ CAM_DIR_IN, 2582 /* tag_action */ MSG_SIMPLE_Q_TAG, 2583 /* data_ptr */ (u_int8_t *)data, 2584 /* dxfer_len */ len, 2585 /* sense_len */ SSD_FULL_SIZE, 2586 sizeof(struct scsi_read_toc), 2587 /* timeout */ 50000); 2588 2589 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2590 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2591 2592 if (mode == CD_MSF_FORMAT) 2593 scsi_cmd->byte2 |= CD_MSF; 2594 scsi_cmd->from_track = start; 2595 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2596 scsi_cmd->data_len[0] = (ntoc) >> 8; 2597 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2598 2599 scsi_cmd->op_code = READ_TOC; 2600 2601 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2602 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2603 2604 xpt_release_ccb(ccb); 2605 2606 return(error); 2607} 2608 2609static int 2610cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2611 u_int32_t format, int track, 2612 struct cd_sub_channel_info *data, u_int32_t len) 2613{ 2614 struct scsi_read_subchannel *scsi_cmd; 2615 struct ccb_scsiio *csio; 2616 union ccb *ccb; 2617 int error; 2618 2619 error = 0; 2620 2621 ccb = cdgetccb(periph, /* priority */ 1); 2622 2623 csio = &ccb->csio; 2624 2625 cam_fill_csio(csio, 2626 /* retries */ 1, 2627 /* cbfcnp */ cddone, 2628 /* flags */ CAM_DIR_IN, 2629 /* tag_action */ MSG_SIMPLE_Q_TAG, 2630 /* data_ptr */ (u_int8_t *)data, 2631 /* dxfer_len */ len, 2632 /* sense_len */ SSD_FULL_SIZE, 2633 sizeof(struct scsi_read_subchannel), 2634 /* timeout */ 50000); 2635 2636 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2637 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2638 2639 scsi_cmd->op_code = READ_SUBCHANNEL; 2640 if (mode == CD_MSF_FORMAT) 2641 scsi_cmd->byte1 |= CD_MSF; 2642 scsi_cmd->byte2 = SRS_SUBQ; 2643 scsi_cmd->subchan_format = format; 2644 scsi_cmd->track = track; 2645 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2646 scsi_cmd->control = 0; 2647 2648 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2649 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2650 2651 xpt_release_ccb(ccb); 2652 2653 return(error); 2654} 2655 2656 2657static int 2658cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2659{ 2660 struct scsi_mode_sense_6 *scsi_cmd; 2661 struct ccb_scsiio *csio; 2662 union ccb *ccb; 2663 int error; 2664 2665 ccb = cdgetccb(periph, /* priority */ 1); 2666 2667 csio = &ccb->csio; 2668 2669 bzero(data, sizeof(*data)); 2670 cam_fill_csio(csio, 2671 /* retries */ 1, 2672 /* cbfcnp */ cddone, 2673 /* flags */ CAM_DIR_IN, 2674 /* tag_action */ MSG_SIMPLE_Q_TAG, 2675 /* data_ptr */ (u_int8_t *)data, 2676 /* dxfer_len */ sizeof(*data), 2677 /* sense_len */ SSD_FULL_SIZE, 2678 sizeof(struct scsi_mode_sense_6), 2679 /* timeout */ 50000); 2680 2681 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2682 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2683 2684 scsi_cmd->page = page; 2685 scsi_cmd->length = sizeof(*data) & 0xff; 2686 scsi_cmd->opcode = MODE_SENSE; 2687 2688 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2689 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2690 2691 xpt_release_ccb(ccb); 2692 2693 return(error); 2694} 2695 2696static int 2697cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2698{ 2699 struct scsi_mode_select_6 *scsi_cmd; 2700 struct ccb_scsiio *csio; 2701 union ccb *ccb; 2702 int error; 2703 2704 ccb = cdgetccb(periph, /* priority */ 1); 2705 2706 csio = &ccb->csio; 2707 2708 error = 0; 2709 2710 cam_fill_csio(csio, 2711 /* retries */ 1, 2712 /* cbfcnp */ cddone, 2713 /* flags */ CAM_DIR_OUT, 2714 /* tag_action */ MSG_SIMPLE_Q_TAG, 2715 /* data_ptr */ (u_int8_t *)data, 2716 /* dxfer_len */ sizeof(*data), 2717 /* sense_len */ SSD_FULL_SIZE, 2718 sizeof(struct scsi_mode_select_6), 2719 /* timeout */ 50000); 2720 2721 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2722 2723 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2724 scsi_cmd->opcode = MODE_SELECT; 2725 scsi_cmd->byte2 |= SMS_PF; 2726 scsi_cmd->length = sizeof(*data) & 0xff; 2727 data->header.data_length = 0; 2728 /* 2729 * SONY drives do not allow a mode select with a medium_type 2730 * value that has just been returned by a mode sense; use a 2731 * medium_type of 0 (Default) instead. 2732 */ 2733 data->header.medium_type = 0; 2734 2735 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2736 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2737 2738 xpt_release_ccb(ccb); 2739 2740 return(error); 2741} 2742 2743 2744static int 2745cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2746{ 2747 struct ccb_scsiio *csio; 2748 union ccb *ccb; 2749 int error; 2750 u_int8_t cdb_len; 2751 2752 error = 0; 2753 ccb = cdgetccb(periph, /* priority */ 1); 2754 csio = &ccb->csio; 2755 /* 2756 * Use the smallest possible command to perform the operation. 2757 */ 2758 if ((len & 0xffff0000) == 0) { 2759 /* 2760 * We can fit in a 10 byte cdb. 2761 */ 2762 struct scsi_play_10 *scsi_cmd; 2763 2764 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2765 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2766 scsi_cmd->op_code = PLAY_10; 2767 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2768 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2769 cdb_len = sizeof(*scsi_cmd); 2770 } else { 2771 struct scsi_play_12 *scsi_cmd; 2772 2773 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2774 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2775 scsi_cmd->op_code = PLAY_12; 2776 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2777 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2778 cdb_len = sizeof(*scsi_cmd); 2779 } 2780 cam_fill_csio(csio, 2781 /*retries*/2, 2782 cddone, 2783 /*flags*/CAM_DIR_NONE, 2784 MSG_SIMPLE_Q_TAG, 2785 /*dataptr*/NULL, 2786 /*datalen*/0, 2787 /*sense_len*/SSD_FULL_SIZE, 2788 cdb_len, 2789 /*timeout*/50 * 1000); 2790 2791 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2792 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2793 2794 xpt_release_ccb(ccb); 2795 2796 return(error); 2797} 2798 2799static int 2800cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2801 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2802{ 2803 struct scsi_play_msf *scsi_cmd; 2804 struct ccb_scsiio *csio; 2805 union ccb *ccb; 2806 int error; 2807 2808 error = 0; 2809 2810 ccb = cdgetccb(periph, /* priority */ 1); 2811 2812 csio = &ccb->csio; 2813 2814 cam_fill_csio(csio, 2815 /* retries */ 1, 2816 /* cbfcnp */ cddone, 2817 /* flags */ CAM_DIR_NONE, 2818 /* tag_action */ MSG_SIMPLE_Q_TAG, 2819 /* data_ptr */ NULL, 2820 /* dxfer_len */ 0, 2821 /* sense_len */ SSD_FULL_SIZE, 2822 sizeof(struct scsi_play_msf), 2823 /* timeout */ 50000); 2824 2825 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2826 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2827 2828 scsi_cmd->op_code = PLAY_MSF; 2829 scsi_cmd->start_m = startm; 2830 scsi_cmd->start_s = starts; 2831 scsi_cmd->start_f = startf; 2832 scsi_cmd->end_m = endm; 2833 scsi_cmd->end_s = ends; 2834 scsi_cmd->end_f = endf; 2835 2836 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2837 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2838 2839 xpt_release_ccb(ccb); 2840 2841 return(error); 2842} 2843 2844 2845static int 2846cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2847 u_int32_t etrack, u_int32_t eindex) 2848{ 2849 struct scsi_play_track *scsi_cmd; 2850 struct ccb_scsiio *csio; 2851 union ccb *ccb; 2852 int error; 2853 2854 error = 0; 2855 2856 ccb = cdgetccb(periph, /* priority */ 1); 2857 2858 csio = &ccb->csio; 2859 2860 cam_fill_csio(csio, 2861 /* retries */ 1, 2862 /* cbfcnp */ cddone, 2863 /* flags */ CAM_DIR_NONE, 2864 /* tag_action */ MSG_SIMPLE_Q_TAG, 2865 /* data_ptr */ NULL, 2866 /* dxfer_len */ 0, 2867 /* sense_len */ SSD_FULL_SIZE, 2868 sizeof(struct scsi_play_track), 2869 /* timeout */ 50000); 2870 2871 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2872 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2873 2874 scsi_cmd->op_code = PLAY_TRACK; 2875 scsi_cmd->start_track = strack; 2876 scsi_cmd->start_index = sindex; 2877 scsi_cmd->end_track = etrack; 2878 scsi_cmd->end_index = eindex; 2879 2880 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2881 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2882 2883 xpt_release_ccb(ccb); 2884 2885 return(error); 2886} 2887 2888static int 2889cdpause(struct cam_periph *periph, u_int32_t go) 2890{ 2891 struct scsi_pause *scsi_cmd; 2892 struct ccb_scsiio *csio; 2893 union ccb *ccb; 2894 int error; 2895 2896 error = 0; 2897 2898 ccb = cdgetccb(periph, /* priority */ 1); 2899 2900 csio = &ccb->csio; 2901 2902 cam_fill_csio(csio, 2903 /* retries */ 1, 2904 /* cbfcnp */ cddone, 2905 /* flags */ CAM_DIR_NONE, 2906 /* tag_action */ MSG_SIMPLE_Q_TAG, 2907 /* data_ptr */ NULL, 2908 /* dxfer_len */ 0, 2909 /* sense_len */ SSD_FULL_SIZE, 2910 sizeof(struct scsi_pause), 2911 /* timeout */ 50000); 2912 2913 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 2914 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2915 2916 scsi_cmd->op_code = PAUSE; 2917 scsi_cmd->resume = go; 2918 2919 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2920 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 2921 2922 xpt_release_ccb(ccb); 2923 2924 return(error); 2925} 2926 2927static int 2928cdstartunit(struct cam_periph *periph) 2929{ 2930 union ccb *ccb; 2931 int error; 2932 2933 error = 0; 2934 2935 ccb = cdgetccb(periph, /* priority */ 1); 2936 2937 scsi_start_stop(&ccb->csio, 2938 /* retries */ 1, 2939 /* cbfcnp */ cddone, 2940 /* tag_action */ MSG_SIMPLE_Q_TAG, 2941 /* start */ TRUE, 2942 /* load_eject */ TRUE, 2943 /* immediate */ FALSE, 2944 /* sense_len */ SSD_FULL_SIZE, 2945 /* timeout */ 50000); 2946 2947 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2948 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2949 2950 xpt_release_ccb(ccb); 2951 2952 return(error); 2953} 2954 2955static int 2956cdstopunit(struct cam_periph *periph, u_int32_t eject) 2957{ 2958 union ccb *ccb; 2959 int error; 2960 2961 error = 0; 2962 2963 ccb = cdgetccb(periph, /* priority */ 1); 2964 2965 scsi_start_stop(&ccb->csio, 2966 /* retries */ 1, 2967 /* cbfcnp */ cddone, 2968 /* tag_action */ MSG_SIMPLE_Q_TAG, 2969 /* start */ FALSE, 2970 /* load_eject */ eject, 2971 /* immediate */ FALSE, 2972 /* sense_len */ SSD_FULL_SIZE, 2973 /* timeout */ 50000); 2974 2975 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2976 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2977 2978 xpt_release_ccb(ccb); 2979 2980 return(error); 2981} 2982 2983static int 2984cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 2985{ 2986 union ccb *ccb; 2987 u_int8_t *databuf; 2988 u_int32_t lba; 2989 int error; 2990 int length; 2991 2992 error = 0; 2993 databuf = NULL; 2994 lba = 0; 2995 2996 ccb = cdgetccb(periph, /* priority */ 1); 2997 2998 switch (authinfo->format) { 2999 case DVD_REPORT_AGID: 3000 length = sizeof(struct scsi_report_key_data_agid); 3001 break; 3002 case DVD_REPORT_CHALLENGE: 3003 length = sizeof(struct scsi_report_key_data_challenge); 3004 break; 3005 case DVD_REPORT_KEY1: 3006 length = sizeof(struct scsi_report_key_data_key1_key2); 3007 break; 3008 case DVD_REPORT_TITLE_KEY: 3009 length = sizeof(struct scsi_report_key_data_title); 3010 /* The lba field is only set for the title key */ 3011 lba = authinfo->lba; 3012 break; 3013 case DVD_REPORT_ASF: 3014 length = sizeof(struct scsi_report_key_data_asf); 3015 break; 3016 case DVD_REPORT_RPC: 3017 length = sizeof(struct scsi_report_key_data_rpc); 3018 break; 3019 case DVD_INVALIDATE_AGID: 3020 length = 0; 3021 break; 3022 default: 3023 error = EINVAL; 3024 goto bailout; 3025 break; /* NOTREACHED */ 3026 } 3027 3028 if (length != 0) { 3029 databuf = malloc(length, M_DEVBUF, M_WAITOK); 3030 bzero(databuf, length); 3031 } else 3032 databuf = NULL; 3033 3034 3035 scsi_report_key(&ccb->csio, 3036 /* retries */ 1, 3037 /* cbfcnp */ cddone, 3038 /* tag_action */ MSG_SIMPLE_Q_TAG, 3039 /* lba */ lba, 3040 /* agid */ authinfo->agid, 3041 /* key_format */ authinfo->format, 3042 /* data_ptr */ databuf, 3043 /* dxfer_len */ length, 3044 /* sense_len */ SSD_FULL_SIZE, 3045 /* timeout */ 50000); 3046 3047 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3048 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3049 3050 if (error != 0) 3051 goto bailout; 3052 3053 if (ccb->csio.resid != 0) { 3054 xpt_print_path(periph->path); 3055 printf("warning, residual for report key command is %d\n", 3056 ccb->csio.resid); 3057 } 3058 3059 switch(authinfo->format) { 3060 case DVD_REPORT_AGID: { 3061 struct scsi_report_key_data_agid *agid_data; 3062 3063 agid_data = (struct scsi_report_key_data_agid *)databuf; 3064 3065 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3066 RKD_AGID_SHIFT; 3067 break; 3068 } 3069 case DVD_REPORT_CHALLENGE: { 3070 struct scsi_report_key_data_challenge *chal_data; 3071 3072 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3073 3074 bcopy(chal_data->challenge_key, authinfo->keychal, 3075 min(sizeof(chal_data->challenge_key), 3076 sizeof(authinfo->keychal))); 3077 break; 3078 } 3079 case DVD_REPORT_KEY1: { 3080 struct scsi_report_key_data_key1_key2 *key1_data; 3081 3082 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3083 3084 bcopy(key1_data->key1, authinfo->keychal, 3085 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3086 break; 3087 } 3088 case DVD_REPORT_TITLE_KEY: { 3089 struct scsi_report_key_data_title *title_data; 3090 3091 title_data = (struct scsi_report_key_data_title *)databuf; 3092 3093 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3094 RKD_TITLE_CPM_SHIFT; 3095 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3096 RKD_TITLE_CP_SEC_SHIFT; 3097 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3098 RKD_TITLE_CMGS_SHIFT; 3099 bcopy(title_data->title_key, authinfo->keychal, 3100 min(sizeof(title_data->title_key), 3101 sizeof(authinfo->keychal))); 3102 break; 3103 } 3104 case DVD_REPORT_ASF: { 3105 struct scsi_report_key_data_asf *asf_data; 3106 3107 asf_data = (struct scsi_report_key_data_asf *)databuf; 3108 3109 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3110 break; 3111 } 3112 case DVD_REPORT_RPC: { 3113 struct scsi_report_key_data_rpc *rpc_data; 3114 3115 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3116 3117 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3118 RKD_RPC_TYPE_SHIFT; 3119 authinfo->vend_rsts = 3120 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3121 RKD_RPC_VENDOR_RESET_SHIFT; 3122 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3123 break; 3124 } 3125 case DVD_INVALIDATE_AGID: 3126 break; 3127 default: 3128 /* This should be impossible, since we checked above */ 3129 error = EINVAL; 3130 goto bailout; 3131 break; /* NOTREACHED */ 3132 } 3133bailout: 3134 if (databuf != NULL) 3135 free(databuf, M_DEVBUF); 3136 3137 xpt_release_ccb(ccb); 3138 3139 return(error); 3140} 3141 3142static int 3143cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3144{ 3145 union ccb *ccb; 3146 u_int8_t *databuf; 3147 int length; 3148 int error; 3149 3150 error = 0; 3151 databuf = NULL; 3152 3153 ccb = cdgetccb(periph, /* priority */ 1); 3154 3155 switch(authinfo->format) { 3156 case DVD_SEND_CHALLENGE: { 3157 struct scsi_report_key_data_challenge *challenge_data; 3158 3159 length = sizeof(*challenge_data); 3160 3161 challenge_data = malloc(length, M_DEVBUF, M_WAITOK); 3162 3163 databuf = (u_int8_t *)challenge_data; 3164 3165 bzero(databuf, length); 3166 3167 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3168 challenge_data->data_len); 3169 3170 bcopy(authinfo->keychal, challenge_data->challenge_key, 3171 min(sizeof(authinfo->keychal), 3172 sizeof(challenge_data->challenge_key))); 3173 break; 3174 } 3175 case DVD_SEND_KEY2: { 3176 struct scsi_report_key_data_key1_key2 *key2_data; 3177 3178 length = sizeof(*key2_data); 3179 3180 key2_data = malloc(length, M_DEVBUF, M_WAITOK); 3181 3182 databuf = (u_int8_t *)key2_data; 3183 3184 bzero(databuf, length); 3185 3186 scsi_ulto2b(length - sizeof(key2_data->data_len), 3187 key2_data->data_len); 3188 3189 bcopy(authinfo->keychal, key2_data->key1, 3190 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3191 3192 break; 3193 } 3194 case DVD_SEND_RPC: { 3195 struct scsi_send_key_data_rpc *rpc_data; 3196 3197 length = sizeof(*rpc_data); 3198 3199 rpc_data = malloc(length, M_DEVBUF, M_WAITOK); 3200 3201 databuf = (u_int8_t *)rpc_data; 3202 3203 bzero(databuf, length); 3204 3205 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3206 rpc_data->data_len); 3207 3208 /* 3209 * XXX KDM is this the right field from authinfo to use? 3210 */ 3211 rpc_data->region_code = authinfo->region; 3212 break; 3213 } 3214 default: 3215 error = EINVAL; 3216 goto bailout; 3217 break; /* NOTREACHED */ 3218 } 3219 3220 scsi_send_key(&ccb->csio, 3221 /* retries */ 1, 3222 /* cbfcnp */ cddone, 3223 /* tag_action */ MSG_SIMPLE_Q_TAG, 3224 /* agid */ authinfo->agid, 3225 /* key_format */ authinfo->format, 3226 /* data_ptr */ databuf, 3227 /* dxfer_len */ length, 3228 /* sense_len */ SSD_FULL_SIZE, 3229 /* timeout */ 50000); 3230 3231 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3232 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3233 3234bailout: 3235 3236 if (databuf != NULL) 3237 free(databuf, M_DEVBUF); 3238 3239 xpt_release_ccb(ccb); 3240 3241 return(error); 3242} 3243 3244static int 3245cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3246{ 3247 union ccb *ccb; 3248 u_int8_t *databuf; 3249 u_int32_t address; 3250 int error; 3251 int length; 3252 3253 error = 0; 3254 databuf = NULL; 3255 /* The address is reserved for many of the formats */ 3256 address = 0; 3257 3258 ccb = cdgetccb(periph, /* priority */ 1); 3259 3260 switch(dvdstruct->format) { 3261 case DVD_STRUCT_PHYSICAL: 3262 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3263 break; 3264 case DVD_STRUCT_COPYRIGHT: 3265 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3266 break; 3267 case DVD_STRUCT_DISCKEY: 3268 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3269 break; 3270 case DVD_STRUCT_BCA: 3271 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3272 break; 3273 case DVD_STRUCT_MANUFACT: 3274 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3275 break; 3276 case DVD_STRUCT_CMI: 3277 error = ENODEV; 3278 goto bailout; 3279#ifdef notyet 3280 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3281 address = dvdstruct->address; 3282#endif 3283 break; /* NOTREACHED */ 3284 case DVD_STRUCT_PROTDISCID: 3285 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3286 break; 3287 case DVD_STRUCT_DISCKEYBLOCK: 3288 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3289 break; 3290 case DVD_STRUCT_DDS: 3291 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3292 break; 3293 case DVD_STRUCT_MEDIUM_STAT: 3294 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3295 break; 3296 case DVD_STRUCT_SPARE_AREA: 3297 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3298 break; 3299 case DVD_STRUCT_RMD_LAST: 3300 error = ENODEV; 3301 goto bailout; 3302#ifdef notyet 3303 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3304 address = dvdstruct->address; 3305#endif 3306 break; /* NOTREACHED */ 3307 case DVD_STRUCT_RMD_RMA: 3308 error = ENODEV; 3309 goto bailout; 3310#ifdef notyet 3311 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3312 address = dvdstruct->address; 3313#endif 3314 break; /* NOTREACHED */ 3315 case DVD_STRUCT_PRERECORDED: 3316 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3317 break; 3318 case DVD_STRUCT_UNIQUEID: 3319 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3320 break; 3321 case DVD_STRUCT_DCB: 3322 error = ENODEV; 3323 goto bailout; 3324#ifdef notyet 3325 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3326 address = dvdstruct->address; 3327#endif 3328 break; /* NOTREACHED */ 3329 case DVD_STRUCT_LIST: 3330 /* 3331 * This is the maximum allocation length for the READ DVD 3332 * STRUCTURE command. There's nothing in the MMC3 spec 3333 * that indicates a limit in the amount of data that can 3334 * be returned from this call, other than the limits 3335 * imposed by the 2-byte length variables. 3336 */ 3337 length = 65535; 3338 break; 3339 default: 3340 error = EINVAL; 3341 goto bailout; 3342 break; /* NOTREACHED */ 3343 } 3344 3345 if (length != 0) { 3346 databuf = malloc(length, M_DEVBUF, M_WAITOK); 3347 bzero(databuf, length); 3348 } else 3349 databuf = NULL; 3350 3351 scsi_read_dvd_structure(&ccb->csio, 3352 /* retries */ 1, 3353 /* cbfcnp */ cddone, 3354 /* tag_action */ MSG_SIMPLE_Q_TAG, 3355 /* lba */ address, 3356 /* layer_number */ dvdstruct->layer_num, 3357 /* key_format */ dvdstruct->format, 3358 /* agid */ dvdstruct->agid, 3359 /* data_ptr */ databuf, 3360 /* dxfer_len */ length, 3361 /* sense_len */ SSD_FULL_SIZE, 3362 /* timeout */ 50000); 3363 3364 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3365 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3366 3367 if (error != 0) 3368 goto bailout; 3369 3370 switch(dvdstruct->format) { 3371 case DVD_STRUCT_PHYSICAL: { 3372 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3373 struct dvd_layer *outlayer; 3374 struct scsi_read_dvd_struct_data_physical *phys_data; 3375 3376 phys_data = 3377 (struct scsi_read_dvd_struct_data_physical *)databuf; 3378 inlayer = &phys_data->layer_desc; 3379 outlayer = (struct dvd_layer *)&dvdstruct->data; 3380 3381 dvdstruct->length = sizeof(*inlayer); 3382 3383 outlayer->book_type = (inlayer->book_type_version & 3384 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3385 outlayer->book_version = (inlayer->book_type_version & 3386 RDSD_BOOK_VERSION_MASK); 3387 outlayer->disc_size = (inlayer->disc_size_max_rate & 3388 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3389 outlayer->max_rate = (inlayer->disc_size_max_rate & 3390 RDSD_MAX_RATE_MASK); 3391 outlayer->nlayers = (inlayer->layer_info & 3392 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3393 outlayer->track_path = (inlayer->layer_info & 3394 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3395 outlayer->layer_type = (inlayer->layer_info & 3396 RDSD_LAYER_TYPE_MASK); 3397 outlayer->linear_density = (inlayer->density & 3398 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3399 outlayer->track_density = (inlayer->density & 3400 RDSD_TRACK_DENSITY_MASK); 3401 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3402 RDSD_BCA_SHIFT; 3403 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3404 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3405 outlayer->end_sector_l0 = 3406 scsi_3btoul(inlayer->end_sector_layer0); 3407 break; 3408 } 3409 case DVD_STRUCT_COPYRIGHT: { 3410 struct scsi_read_dvd_struct_data_copyright *copy_data; 3411 3412 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3413 databuf; 3414 3415 dvdstruct->cpst = copy_data->cps_type; 3416 dvdstruct->rmi = copy_data->region_info; 3417 dvdstruct->length = 0; 3418 3419 break; 3420 } 3421 default: 3422 /* 3423 * Tell the user what the overall length is, no matter 3424 * what we can actually fit in the data buffer. 3425 */ 3426 dvdstruct->length = length - ccb->csio.resid - 3427 sizeof(struct scsi_read_dvd_struct_data_header); 3428 3429 /* 3430 * But only actually copy out the smaller of what we read 3431 * in or what the structure can take. 3432 */ 3433 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3434 dvdstruct->data, 3435 min(sizeof(dvdstruct->data), dvdstruct->length)); 3436 break; 3437 } 3438bailout: 3439 3440 if (databuf != NULL) 3441 free(databuf, M_DEVBUF); 3442 3443 xpt_release_ccb(ccb); 3444 3445 return(error); 3446} 3447 3448void 3449scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3450 void (*cbfcnp)(struct cam_periph *, union ccb *), 3451 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3452 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3453 u_int8_t sense_len, u_int32_t timeout) 3454{ 3455 struct scsi_report_key *scsi_cmd; 3456 3457 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3458 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3459 scsi_cmd->opcode = REPORT_KEY; 3460 scsi_ulto4b(lba, scsi_cmd->lba); 3461 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3462 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3463 (key_format & RK_KF_KEYFORMAT_MASK); 3464 3465 cam_fill_csio(csio, 3466 retries, 3467 cbfcnp, 3468 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3469 tag_action, 3470 /*data_ptr*/ data_ptr, 3471 /*dxfer_len*/ dxfer_len, 3472 sense_len, 3473 sizeof(*scsi_cmd), 3474 timeout); 3475} 3476 3477void 3478scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3479 void (*cbfcnp)(struct cam_periph *, union ccb *), 3480 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3481 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3482 u_int32_t timeout) 3483{ 3484 struct scsi_send_key *scsi_cmd; 3485 3486 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3487 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3488 scsi_cmd->opcode = SEND_KEY; 3489 3490 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3491 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3492 (key_format & RK_KF_KEYFORMAT_MASK); 3493 3494 cam_fill_csio(csio, 3495 retries, 3496 cbfcnp, 3497 /*flags*/ CAM_DIR_OUT, 3498 tag_action, 3499 /*data_ptr*/ data_ptr, 3500 /*dxfer_len*/ dxfer_len, 3501 sense_len, 3502 sizeof(*scsi_cmd), 3503 timeout); 3504} 3505 3506 3507void 3508scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3509 void (*cbfcnp)(struct cam_periph *, union ccb *), 3510 u_int8_t tag_action, u_int32_t address, 3511 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3512 u_int8_t *data_ptr, u_int32_t dxfer_len, 3513 u_int8_t sense_len, u_int32_t timeout) 3514{ 3515 struct scsi_read_dvd_structure *scsi_cmd; 3516 3517 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3518 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3519 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3520 3521 scsi_ulto4b(address, scsi_cmd->address); 3522 scsi_cmd->layer_number = layer_number; 3523 scsi_cmd->format = format; 3524 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3525 /* The AGID is the top two bits of this byte */ 3526 scsi_cmd->agid = agid << 6; 3527 3528 cam_fill_csio(csio, 3529 retries, 3530 cbfcnp, 3531 /*flags*/ CAM_DIR_IN, 3532 tag_action, 3533 /*data_ptr*/ data_ptr, 3534 /*dxfer_len*/ dxfer_len, 3535 sense_len, 3536 sizeof(*scsi_cmd), 3537 timeout); 3538} 3539