scsi_cd.c revision 67752
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 67752 2000-10-28 03:14:59Z ken $ 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, "NAKAMICH", "MJ-*", "*"}, 166 /* quirks */ CD_Q_CHANGER 167 }, 168 { 169 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 170 /* quirks */ CD_Q_BCD_TRACKS 171 } 172}; 173 174#ifndef MIN 175#define MIN(x,y) ((x<y) ? x : y) 176#endif 177 178#define CD_CDEV_MAJOR 15 179#define CD_BDEV_MAJOR 6 180 181static d_open_t cdopen; 182static d_close_t cdclose; 183static d_ioctl_t cdioctl; 184static d_strategy_t cdstrategy; 185 186static periph_init_t cdinit; 187static periph_ctor_t cdregister; 188static periph_dtor_t cdcleanup; 189static periph_start_t cdstart; 190static periph_oninv_t cdoninvalidate; 191static void cdasync(void *callback_arg, u_int32_t code, 192 struct cam_path *path, void *arg); 193static void cdshorttimeout(void *arg); 194static void cdschedule(struct cam_periph *periph, int priority); 195static void cdrunchangerqueue(void *arg); 196static void cdchangerschedule(struct cd_softc *softc); 197static int cdrunccb(union ccb *ccb, 198 int (*error_routine)(union ccb *ccb, 199 u_int32_t cam_flags, 200 u_int32_t sense_flags), 201 u_int32_t cam_flags, u_int32_t sense_flags); 202static union ccb *cdgetccb(struct cam_periph *periph, 203 u_int32_t priority); 204static void cddone(struct cam_periph *periph, 205 union ccb *start_ccb); 206static int cderror(union ccb *ccb, u_int32_t cam_flags, 207 u_int32_t sense_flags); 208static void cdprevent(struct cam_periph *periph, int action); 209static int cdsize(dev_t dev, u_int32_t *size); 210static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 211 u_int32_t start, struct cd_toc_entry *data, 212 u_int32_t len); 213static int cdgetmode(struct cam_periph *periph, 214 struct cd_mode_data *data, u_int32_t page); 215static int cdsetmode(struct cam_periph *periph, 216 struct cd_mode_data *data); 217static int cdplay(struct cam_periph *periph, u_int32_t blk, 218 u_int32_t len); 219static int cdreadsubchannel(struct cam_periph *periph, 220 u_int32_t mode, u_int32_t format, 221 int track, 222 struct cd_sub_channel_info *data, 223 u_int32_t len); 224static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 225 u_int32_t starts, u_int32_t startf, 226 u_int32_t endm, u_int32_t ends, 227 u_int32_t endf); 228static int cdplaytracks(struct cam_periph *periph, 229 u_int32_t strack, u_int32_t sindex, 230 u_int32_t etrack, u_int32_t eindex); 231static int cdpause(struct cam_periph *periph, u_int32_t go); 232static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 233static int cdstartunit(struct cam_periph *periph); 234static int cdreportkey(struct cam_periph *periph, 235 struct dvd_authinfo *authinfo); 236static int cdsendkey(struct cam_periph *periph, 237 struct dvd_authinfo *authinfo); 238static int cdreaddvdstructure(struct cam_periph *periph, 239 struct dvd_struct *dvdstruct); 240 241static struct periph_driver cddriver = 242{ 243 cdinit, "cd", 244 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 245}; 246 247DATA_SET(periphdriver_set, cddriver); 248 249/* For 2.2-stable support */ 250#ifndef D_DISK 251#define D_DISK 0 252#endif 253static struct cdevsw cd_cdevsw = { 254 /* open */ cdopen, 255 /* close */ cdclose, 256 /* read */ physread, 257 /* write */ nowrite, 258 /* ioctl */ cdioctl, 259 /* poll */ nopoll, 260 /* mmap */ nommap, 261 /* strategy */ cdstrategy, 262 /* name */ "cd", 263 /* maj */ CD_CDEV_MAJOR, 264 /* dump */ nodump, 265 /* psize */ nopsize, 266 /* flags */ D_DISK, 267 /* bmaj */ CD_BDEV_MAJOR 268}; 269static struct cdevsw cddisk_cdevsw; 270 271static struct extend_array *cdperiphs; 272static int num_changers; 273 274#ifndef CHANGER_MIN_BUSY_SECONDS 275#define CHANGER_MIN_BUSY_SECONDS 5 276#endif 277#ifndef CHANGER_MAX_BUSY_SECONDS 278#define CHANGER_MAX_BUSY_SECONDS 15 279#endif 280 281static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 282static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 283 284/* 285 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 286 * variables. 287 */ 288SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 289SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 290SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 291SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 292 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 293SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 294 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 295 296struct cdchanger { 297 path_id_t path_id; 298 target_id_t target_id; 299 int num_devices; 300 struct camq devq; 301 struct timeval start_time; 302 struct cd_softc *cur_device; 303 struct callout_handle short_handle; 304 struct callout_handle long_handle; 305 volatile cd_changer_flags flags; 306 STAILQ_ENTRY(cdchanger) changer_links; 307 STAILQ_HEAD(chdevlist, cd_softc) chluns; 308}; 309 310static STAILQ_HEAD(changerlist, cdchanger) changerq; 311 312void 313cdinit(void) 314{ 315 cam_status status; 316 struct cam_path *path; 317 318 /* 319 * Create our extend array for storing the devices we attach to. 320 */ 321 cdperiphs = cam_extend_new(); 322 if (cdperiphs == NULL) { 323 printf("cd: Failed to alloc extend array!\n"); 324 return; 325 } 326 327 /* 328 * Install a global async callback. This callback will 329 * receive async callbacks like "new device found". 330 */ 331 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 332 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 333 334 if (status == CAM_REQ_CMP) { 335 struct ccb_setasync csa; 336 337 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 338 csa.ccb_h.func_code = XPT_SASYNC_CB; 339 csa.event_enable = AC_FOUND_DEVICE; 340 csa.callback = cdasync; 341 csa.callback_arg = NULL; 342 xpt_action((union ccb *)&csa); 343 status = csa.ccb_h.status; 344 xpt_free_path(path); 345 } 346 347 if (status != CAM_REQ_CMP) { 348 printf("cd: Failed to attach master async callback " 349 "due to status 0x%x!\n", status); 350 } 351} 352 353static void 354cdoninvalidate(struct cam_periph *periph) 355{ 356 int s; 357 struct cd_softc *softc; 358 struct bio *q_bp; 359 struct ccb_setasync csa; 360 361 softc = (struct cd_softc *)periph->softc; 362 363 /* 364 * De-register any async callbacks. 365 */ 366 xpt_setup_ccb(&csa.ccb_h, periph->path, 367 /* priority */ 5); 368 csa.ccb_h.func_code = XPT_SASYNC_CB; 369 csa.event_enable = 0; 370 csa.callback = cdasync; 371 csa.callback_arg = periph; 372 xpt_action((union ccb *)&csa); 373 374 softc->flags |= CD_FLAG_INVALID; 375 376 /* 377 * Although the oninvalidate() routines are always called at 378 * splsoftcam, we need to be at splbio() here to keep the buffer 379 * queue from being modified while we traverse it. 380 */ 381 s = splbio(); 382 383 /* 384 * Return all queued I/O with ENXIO. 385 * XXX Handle any transactions queued to the card 386 * with XPT_ABORT_CCB. 387 */ 388 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 389 bioq_remove(&softc->bio_queue, q_bp); 390 q_bp->bio_resid = q_bp->bio_bcount; 391 q_bp->bio_error = ENXIO; 392 q_bp->bio_flags |= BIO_ERROR; 393 biodone(q_bp); 394 } 395 splx(s); 396 397 /* 398 * If this device is part of a changer, and it was scheduled 399 * to run, remove it from the run queue since we just nuked 400 * all of its scheduled I/O. 401 */ 402 if ((softc->flags & CD_FLAG_CHANGER) 403 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 404 camq_remove(&softc->changer->devq, softc->pinfo.index); 405 406 xpt_print_path(periph->path); 407 printf("lost device\n"); 408} 409 410static void 411cdcleanup(struct cam_periph *periph) 412{ 413 struct cd_softc *softc; 414 int s; 415 416 softc = (struct cd_softc *)periph->softc; 417 418 xpt_print_path(periph->path); 419 printf("removing device entry\n"); 420 421 s = splsoftcam(); 422 /* 423 * In the queued, non-active case, the device in question 424 * has already been removed from the changer run queue. Since this 425 * device is active, we need to de-activate it, and schedule 426 * another device to run. (if there is another one to run) 427 */ 428 if ((softc->flags & CD_FLAG_CHANGER) 429 && (softc->flags & CD_FLAG_ACTIVE)) { 430 431 /* 432 * The purpose of the short timeout is soley to determine 433 * whether the current device has finished or not. Well, 434 * since we're removing the active device, we know that it 435 * is finished. So, get rid of the short timeout. 436 * Otherwise, if we're in the time period before the short 437 * timeout fires, and there are no other devices in the 438 * queue to run, there won't be any other device put in the 439 * active slot. i.e., when we call cdrunchangerqueue() 440 * below, it won't do anything. Then, when the short 441 * timeout fires, it'll look at the "current device", which 442 * we are free below, and possibly panic the kernel on a 443 * bogus pointer reference. 444 * 445 * The long timeout doesn't really matter, since we 446 * decrement the qfrozen_cnt to indicate that there is 447 * nothing in the active slot now. Therefore, there won't 448 * be any bogus pointer references there. 449 */ 450 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 451 untimeout(cdshorttimeout, softc->changer, 452 softc->changer->short_handle); 453 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 454 } 455 softc->changer->devq.qfrozen_cnt--; 456 softc->changer->flags |= CHANGER_MANUAL_CALL; 457 cdrunchangerqueue(softc->changer); 458 } 459 460 /* 461 * If we're removing the last device on the changer, go ahead and 462 * remove the changer device structure. 463 */ 464 if ((softc->flags & CD_FLAG_CHANGER) 465 && (--softc->changer->num_devices == 0)) { 466 467 /* 468 * Theoretically, there shouldn't be any timeouts left, but 469 * I'm not completely sure that that will be the case. So, 470 * it won't hurt to check and see if there are any left. 471 */ 472 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 473 untimeout(cdrunchangerqueue, softc->changer, 474 softc->changer->long_handle); 475 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 476 } 477 478 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 479 untimeout(cdshorttimeout, softc->changer, 480 softc->changer->short_handle); 481 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 482 } 483 484 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 485 changer_links); 486 xpt_print_path(periph->path); 487 printf("removing changer entry\n"); 488 free(softc->changer, M_DEVBUF); 489 num_changers--; 490 } 491 devstat_remove_entry(&softc->device_stats); 492 cam_extend_release(cdperiphs, periph->unit_number); 493 free(softc, M_DEVBUF); 494 splx(s); 495} 496 497static void 498cdasync(void *callback_arg, u_int32_t code, 499 struct cam_path *path, void *arg) 500{ 501 struct cam_periph *periph; 502 503 periph = (struct cam_periph *)callback_arg; 504 switch (code) { 505 case AC_FOUND_DEVICE: 506 { 507 struct ccb_getdev *cgd; 508 cam_status status; 509 510 cgd = (struct ccb_getdev *)arg; 511 512 if (SID_TYPE(&cgd->inq_data) != T_CDROM 513 && SID_TYPE(&cgd->inq_data) != T_WORM) 514 break; 515 516 /* 517 * Allocate a peripheral instance for 518 * this device and start the probe 519 * process. 520 */ 521 status = cam_periph_alloc(cdregister, cdoninvalidate, 522 cdcleanup, cdstart, 523 "cd", CAM_PERIPH_BIO, 524 cgd->ccb_h.path, cdasync, 525 AC_FOUND_DEVICE, cgd); 526 527 if (status != CAM_REQ_CMP 528 && status != CAM_REQ_INPROG) 529 printf("cdasync: Unable to attach new device " 530 "due to status 0x%x\n", status); 531 532 break; 533 } 534 case AC_SENT_BDR: 535 case AC_BUS_RESET: 536 { 537 struct cd_softc *softc; 538 struct ccb_hdr *ccbh; 539 int s; 540 541 softc = (struct cd_softc *)periph->softc; 542 s = splsoftcam(); 543 /* 544 * Don't fail on the expected unit attention 545 * that will occur. 546 */ 547 softc->flags |= CD_FLAG_RETRY_UA; 548 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 549 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 550 ccbh->ccb_state |= CD_CCB_RETRY_UA; 551 splx(s); 552 /* FALLTHROUGH */ 553 } 554 default: 555 cam_periph_async(periph, code, path, arg); 556 break; 557 } 558} 559 560static cam_status 561cdregister(struct cam_periph *periph, void *arg) 562{ 563 struct cd_softc *softc; 564 struct ccb_setasync csa; 565 struct ccb_getdev *cgd; 566 caddr_t match; 567 568 cgd = (struct ccb_getdev *)arg; 569 if (periph == NULL) { 570 printf("cdregister: periph was NULL!!\n"); 571 return(CAM_REQ_CMP_ERR); 572 } 573 if (cgd == NULL) { 574 printf("cdregister: no getdev CCB, can't register device\n"); 575 return(CAM_REQ_CMP_ERR); 576 } 577 578 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 579 580 if (softc == NULL) { 581 printf("cdregister: Unable to probe new device. " 582 "Unable to allocate softc\n"); 583 return(CAM_REQ_CMP_ERR); 584 } 585 586 bzero(softc, sizeof(*softc)); 587 LIST_INIT(&softc->pending_ccbs); 588 softc->state = CD_STATE_PROBE; 589 bioq_init(&softc->bio_queue); 590 if (SID_IS_REMOVABLE(&cgd->inq_data)) 591 softc->flags |= CD_FLAG_DISC_REMOVABLE; 592 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 593 softc->flags |= CD_FLAG_TAGGED_QUEUING; 594 595 periph->softc = softc; 596 softc->periph = periph; 597 598 cam_extend_set(cdperiphs, periph->unit_number, periph); 599 600 /* 601 * See if this device has any quirks. 602 */ 603 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 604 (caddr_t)cd_quirk_table, 605 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 606 sizeof(*cd_quirk_table), scsi_inquiry_match); 607 608 if (match != NULL) 609 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 610 else 611 softc->quirks = CD_Q_NONE; 612 613 /* 614 * We need to register the statistics structure for this device, 615 * but we don't have the blocksize yet for it. So, we register 616 * the structure and indicate that we don't have the blocksize 617 * yet. Unlike other SCSI peripheral drivers, we explicitly set 618 * the device type here to be CDROM, rather than just ORing in 619 * the device type. This is because this driver can attach to either 620 * CDROM or WORM devices, and we want this peripheral driver to 621 * show up in the devstat list as a CD peripheral driver, not a 622 * WORM peripheral driver. WORM drives will also have the WORM 623 * driver attached to them. 624 */ 625 devstat_add_entry(&softc->device_stats, "cd", 626 periph->unit_number, 0, 627 DEVSTAT_BS_UNAVAILABLE, 628 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 629 DEVSTAT_PRIORITY_CD); 630 disk_create(periph->unit_number, &softc->disk, 631 DSO_NOLABELS | DSO_ONESLICE, 632 &cd_cdevsw, &cddisk_cdevsw); 633 634 /* 635 * Add an async callback so that we get 636 * notified if this device goes away. 637 */ 638 xpt_setup_ccb(&csa.ccb_h, periph->path, 639 /* priority */ 5); 640 csa.ccb_h.func_code = XPT_SASYNC_CB; 641 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 642 csa.callback = cdasync; 643 csa.callback_arg = periph; 644 xpt_action((union ccb *)&csa); 645 646 /* 647 * If the target lun is greater than 0, we most likely have a CD 648 * changer device. Check the quirk entries as well, though, just 649 * in case someone has a CD tower with one lun per drive or 650 * something like that. Also, if we know up front that a 651 * particular device is a changer, we can mark it as such starting 652 * with lun 0, instead of lun 1. It shouldn't be necessary to have 653 * a quirk entry to define something as a changer, however. 654 */ 655 if (((cgd->ccb_h.target_lun > 0) 656 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 657 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 658 struct cdchanger *nchanger; 659 struct cam_periph *nperiph; 660 struct cam_path *path; 661 cam_status status; 662 int found; 663 664 /* Set the changer flag in the current device's softc */ 665 softc->flags |= CD_FLAG_CHANGER; 666 667 if (num_changers == 0) 668 STAILQ_INIT(&changerq); 669 670 /* 671 * Now, look around for an existing changer device with the 672 * same path and target ID as the current device. 673 */ 674 for (found = 0, 675 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 676 nchanger != NULL; 677 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 678 if ((nchanger->path_id == cgd->ccb_h.path_id) 679 && (nchanger->target_id == cgd->ccb_h.target_id)) { 680 found = 1; 681 break; 682 } 683 } 684 685 /* 686 * If we found a matching entry, just add this device to 687 * the list of devices on this changer. 688 */ 689 if (found == 1) { 690 struct chdevlist *chlunhead; 691 692 chlunhead = &nchanger->chluns; 693 694 /* 695 * XXX KDM look at consolidating this code with the 696 * code below in a separate function. 697 */ 698 699 /* 700 * Create a path with lun id 0, and see if we can 701 * find a matching device 702 */ 703 status = xpt_create_path(&path, /*periph*/ periph, 704 cgd->ccb_h.path_id, 705 cgd->ccb_h.target_id, 0); 706 707 if ((status == CAM_REQ_CMP) 708 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 709 struct cd_softc *nsoftc; 710 711 nsoftc = (struct cd_softc *)nperiph->softc; 712 713 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 714 nsoftc->flags |= CD_FLAG_CHANGER; 715 nchanger->num_devices++; 716 if (camq_resize(&nchanger->devq, 717 nchanger->num_devices)!=CAM_REQ_CMP){ 718 printf("cdregister: " 719 "camq_resize " 720 "failed, changer " 721 "support may " 722 "be messed up\n"); 723 } 724 nsoftc->changer = nchanger; 725 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 726 727 STAILQ_INSERT_TAIL(&nchanger->chluns, 728 nsoftc,changer_links); 729 } 730 } else if (status == CAM_REQ_CMP) 731 xpt_free_path(path); 732 else { 733 printf("cdregister: unable to allocate path\n" 734 "cdregister: changer support may be " 735 "broken\n"); 736 } 737 738 nchanger->num_devices++; 739 740 softc->changer = nchanger; 741 softc->pinfo.index = CAM_UNQUEUED_INDEX; 742 743 if (camq_resize(&nchanger->devq, 744 nchanger->num_devices) != CAM_REQ_CMP) { 745 printf("cdregister: camq_resize " 746 "failed, changer support may " 747 "be messed up\n"); 748 } 749 750 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 751 } 752 /* 753 * In this case, we don't already have an entry for this 754 * particular changer, so we need to create one, add it to 755 * the queue, and queue this device on the list for this 756 * changer. Before we queue this device, however, we need 757 * to search for lun id 0 on this target, and add it to the 758 * queue first, if it exists. (and if it hasn't already 759 * been marked as part of the changer.) 760 */ 761 else { 762 nchanger = malloc(sizeof(struct cdchanger), 763 M_DEVBUF, M_NOWAIT); 764 765 if (nchanger == NULL) { 766 softc->flags &= ~CD_FLAG_CHANGER; 767 printf("cdregister: unable to malloc " 768 "changer structure\ncdregister: " 769 "changer support disabled\n"); 770 771 /* 772 * Yes, gotos can be gross but in this case 773 * I think it's justified.. 774 */ 775 goto cdregisterexit; 776 } 777 778 /* zero the structure */ 779 bzero(nchanger, sizeof(struct cdchanger)); 780 781 if (camq_init(&nchanger->devq, 1) != 0) { 782 softc->flags &= ~CD_FLAG_CHANGER; 783 printf("cdregister: changer support " 784 "disabled\n"); 785 goto cdregisterexit; 786 } 787 788 num_changers++; 789 790 nchanger->path_id = cgd->ccb_h.path_id; 791 nchanger->target_id = cgd->ccb_h.target_id; 792 793 /* this is superfluous, but it makes things clearer */ 794 nchanger->num_devices = 0; 795 796 STAILQ_INIT(&nchanger->chluns); 797 798 STAILQ_INSERT_TAIL(&changerq, nchanger, 799 changer_links); 800 801 /* 802 * Create a path with lun id 0, and see if we can 803 * find a matching device 804 */ 805 status = xpt_create_path(&path, /*periph*/ periph, 806 cgd->ccb_h.path_id, 807 cgd->ccb_h.target_id, 0); 808 809 /* 810 * If we were able to allocate the path, and if we 811 * find a matching device and it isn't already 812 * marked as part of a changer, then we add it to 813 * the current changer. 814 */ 815 if ((status == CAM_REQ_CMP) 816 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 817 && ((((struct cd_softc *)periph->softc)->flags & 818 CD_FLAG_CHANGER) == 0)) { 819 struct cd_softc *nsoftc; 820 821 nsoftc = (struct cd_softc *)nperiph->softc; 822 823 nsoftc->flags |= CD_FLAG_CHANGER; 824 nchanger->num_devices++; 825 if (camq_resize(&nchanger->devq, 826 nchanger->num_devices) != CAM_REQ_CMP) { 827 printf("cdregister: camq_resize " 828 "failed, changer support may " 829 "be messed up\n"); 830 } 831 nsoftc->changer = nchanger; 832 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 833 834 STAILQ_INSERT_TAIL(&nchanger->chluns, 835 nsoftc, changer_links); 836 } else if (status == CAM_REQ_CMP) 837 xpt_free_path(path); 838 else { 839 printf("cdregister: unable to allocate path\n" 840 "cdregister: changer support may be " 841 "broken\n"); 842 } 843 844 softc->changer = nchanger; 845 softc->pinfo.index = CAM_UNQUEUED_INDEX; 846 nchanger->num_devices++; 847 if (camq_resize(&nchanger->devq, 848 nchanger->num_devices) != CAM_REQ_CMP) { 849 printf("cdregister: camq_resize " 850 "failed, changer support may " 851 "be messed up\n"); 852 } 853 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 854 changer_links); 855 } 856 } 857 858cdregisterexit: 859 860 /* Lock this peripheral until we are setup */ 861 /* Can't block */ 862 cam_periph_lock(periph, PRIBIO); 863 864 if ((softc->flags & CD_FLAG_CHANGER) == 0) 865 xpt_schedule(periph, /*priority*/5); 866 else 867 cdschedule(periph, /*priority*/ 5); 868 869 return(CAM_REQ_CMP); 870} 871 872static int 873cdopen(dev_t dev, int flags, int fmt, struct proc *p) 874{ 875 struct disklabel *label; 876 struct cam_periph *periph; 877 struct cd_softc *softc; 878 struct ccb_getdev cgd; 879 u_int32_t size; 880 int unit, error; 881 int s; 882 883 unit = dkunit(dev); 884 periph = cam_extend_get(cdperiphs, unit); 885 886 if (periph == NULL) 887 return (ENXIO); 888 889 softc = (struct cd_softc *)periph->softc; 890 891 /* 892 * Grab splsoftcam and hold it until we lock the peripheral. 893 */ 894 s = splsoftcam(); 895 if (softc->flags & CD_FLAG_INVALID) { 896 splx(s); 897 return(ENXIO); 898 } 899 900 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 901 splx(s); 902 return (error); 903 } 904 905 splx(s); 906 907 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 908 return(ENXIO); 909 910 cdprevent(periph, PR_PREVENT); 911 912 /* find out the size */ 913 if ((error = cdsize(dev, &size)) != 0) { 914 cdprevent(periph, PR_ALLOW); 915 cam_periph_unlock(periph); 916 cam_periph_release(periph); 917 return(error); 918 } 919 920 /* 921 * Build prototype label for whole disk. 922 * Should take information about different data tracks from the 923 * TOC and put it in the partition table. 924 */ 925 label = &softc->disk.d_label; 926 bzero(label, sizeof(*label)); 927 label->d_type = DTYPE_SCSI; 928 929 /* 930 * Grab the inquiry data to get the vendor and product names. 931 * Put them in the typename and packname for the label. 932 */ 933 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 934 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 935 xpt_action((union ccb *)&cgd); 936 937 strncpy(label->d_typename, cgd.inq_data.vendor, 938 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 939 strncpy(label->d_packname, cgd.inq_data.product, 940 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 941 942 label->d_secsize = softc->params.blksize; 943 label->d_secperunit = softc->params.disksize; 944 label->d_flags = D_REMOVABLE; 945 /* 946 * Make partition 'a' cover the whole disk. This is a temporary 947 * compatibility hack. The 'a' partition should not exist, so 948 * the slice code won't create it. The slice code will make 949 * partition (RAW_PART + 'a') cover the whole disk and fill in 950 * some more defaults. 951 */ 952 label->d_partitions[0].p_size = label->d_secperunit; 953 label->d_partitions[0].p_fstype = FS_OTHER; 954 955 /* 956 * We unconditionally (re)set the blocksize each time the 957 * CD device is opened. This is because the CD can change, 958 * and therefore the blocksize might change. 959 * XXX problems here if some slice or partition is still 960 * open with the old size? 961 */ 962 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 963 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 964 softc->device_stats.block_size = softc->params.blksize; 965 966 cam_periph_unlock(periph); 967 968 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 969 970 return (error); 971} 972 973static int 974cdclose(dev_t dev, int flag, int fmt, struct proc *p) 975{ 976 struct cam_periph *periph; 977 struct cd_softc *softc; 978 int unit, error; 979 980 unit = dkunit(dev); 981 periph = cam_extend_get(cdperiphs, unit); 982 if (periph == NULL) 983 return (ENXIO); 984 985 softc = (struct cd_softc *)periph->softc; 986 987 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 988 return (error); 989 990 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 991 cdprevent(periph, PR_ALLOW); 992 993 /* 994 * Since we're closing this CD, mark the blocksize as unavailable. 995 * It will be marked as available whence the CD is opened again. 996 */ 997 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 998 999 cam_periph_unlock(periph); 1000 cam_periph_release(periph); 1001 1002 return (0); 1003} 1004 1005static void 1006cdshorttimeout(void *arg) 1007{ 1008 struct cdchanger *changer; 1009 int s; 1010 1011 s = splsoftcam(); 1012 1013 changer = (struct cdchanger *)arg; 1014 1015 /* Always clear the short timeout flag, since that's what we're in */ 1016 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1017 1018 /* 1019 * Check to see if there is any more pending or outstanding I/O for 1020 * this device. If not, move it out of the active slot. 1021 */ 1022 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1023 && (changer->cur_device->device_stats.busy_count == 0)) { 1024 changer->flags |= CHANGER_MANUAL_CALL; 1025 cdrunchangerqueue(changer); 1026 } 1027 1028 splx(s); 1029} 1030 1031/* 1032 * This is a wrapper for xpt_schedule. It only applies to changers. 1033 */ 1034static void 1035cdschedule(struct cam_periph *periph, int priority) 1036{ 1037 struct cd_softc *softc; 1038 int s; 1039 1040 s = splsoftcam(); 1041 1042 softc = (struct cd_softc *)periph->softc; 1043 1044 /* 1045 * If this device isn't currently queued, and if it isn't 1046 * the active device, then we queue this device and run the 1047 * changer queue if there is no timeout scheduled to do it. 1048 * If this device is the active device, just schedule it 1049 * to run again. If this device is queued, there should be 1050 * a timeout in place already that will make sure it runs. 1051 */ 1052 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1053 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1054 /* 1055 * We don't do anything with the priority here. 1056 * This is strictly a fifo queue. 1057 */ 1058 softc->pinfo.priority = 1; 1059 softc->pinfo.generation = ++softc->changer->devq.generation; 1060 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1061 1062 /* 1063 * Since we just put a device in the changer queue, 1064 * check and see if there is a timeout scheduled for 1065 * this changer. If so, let the timeout handle 1066 * switching this device into the active slot. If 1067 * not, manually call the timeout routine to 1068 * bootstrap things. 1069 */ 1070 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1071 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1072 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1073 softc->changer->flags |= CHANGER_MANUAL_CALL; 1074 cdrunchangerqueue(softc->changer); 1075 } 1076 } else if ((softc->flags & CD_FLAG_ACTIVE) 1077 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1078 xpt_schedule(periph, priority); 1079 1080 splx(s); 1081 1082} 1083 1084static void 1085cdrunchangerqueue(void *arg) 1086{ 1087 struct cd_softc *softc; 1088 struct cdchanger *changer; 1089 int called_from_timeout; 1090 int s; 1091 1092 s = splsoftcam(); 1093 1094 changer = (struct cdchanger *)arg; 1095 1096 /* 1097 * If we have NOT been called from cdstrategy() or cddone(), and 1098 * instead from a timeout routine, go ahead and clear the 1099 * timeout flag. 1100 */ 1101 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1102 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1103 called_from_timeout = 1; 1104 } else 1105 called_from_timeout = 0; 1106 1107 /* Always clear the manual call flag */ 1108 changer->flags &= ~CHANGER_MANUAL_CALL; 1109 1110 /* nothing to do if the queue is empty */ 1111 if (changer->devq.entries <= 0) { 1112 splx(s); 1113 return; 1114 } 1115 1116 /* 1117 * If the changer queue is frozen, that means we have an active 1118 * device. 1119 */ 1120 if (changer->devq.qfrozen_cnt > 0) { 1121 1122 if (changer->cur_device->device_stats.busy_count > 0) { 1123 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1124 changer->cur_device->bufs_left = 1125 changer->cur_device->device_stats.busy_count; 1126 if (called_from_timeout) { 1127 changer->long_handle = 1128 timeout(cdrunchangerqueue, changer, 1129 changer_max_busy_seconds * hz); 1130 changer->flags |= CHANGER_TIMEOUT_SCHED; 1131 } 1132 splx(s); 1133 return; 1134 } 1135 1136 /* 1137 * We always need to reset the frozen count and clear the 1138 * active flag. 1139 */ 1140 changer->devq.qfrozen_cnt--; 1141 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1142 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1143 1144 /* 1145 * Check to see whether the current device has any I/O left 1146 * to do. If so, requeue it at the end of the queue. If 1147 * not, there is no need to requeue it. 1148 */ 1149 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1150 1151 changer->cur_device->pinfo.generation = 1152 ++changer->devq.generation; 1153 camq_insert(&changer->devq, 1154 (cam_pinfo *)changer->cur_device); 1155 } 1156 } 1157 1158 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1159 1160 changer->cur_device = softc; 1161 1162 changer->devq.qfrozen_cnt++; 1163 softc->flags |= CD_FLAG_ACTIVE; 1164 1165 /* Just in case this device is waiting */ 1166 wakeup(&softc->changer); 1167 xpt_schedule(softc->periph, /*priority*/ 1); 1168 1169 /* 1170 * Get rid of any pending timeouts, and set a flag to schedule new 1171 * ones so this device gets its full time quantum. 1172 */ 1173 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1174 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1175 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1176 } 1177 1178 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1179 untimeout(cdshorttimeout, changer, changer->short_handle); 1180 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1181 } 1182 1183 /* 1184 * We need to schedule timeouts, but we only do this after the 1185 * first transaction has completed. This eliminates the changer 1186 * switch time. 1187 */ 1188 changer->flags |= CHANGER_NEED_TIMEOUT; 1189 1190 splx(s); 1191} 1192 1193static void 1194cdchangerschedule(struct cd_softc *softc) 1195{ 1196 struct cdchanger *changer; 1197 int s; 1198 1199 s = splsoftcam(); 1200 1201 changer = softc->changer; 1202 1203 /* 1204 * If this is a changer, and this is the current device, 1205 * and this device has at least the minimum time quantum to 1206 * run, see if we can switch it out. 1207 */ 1208 if ((softc->flags & CD_FLAG_ACTIVE) 1209 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1210 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1211 /* 1212 * We try three things here. The first is that we 1213 * check to see whether the schedule on completion 1214 * flag is set. If it is, we decrement the number 1215 * of buffers left, and if it's zero, we reschedule. 1216 * Next, we check to see whether the pending buffer 1217 * queue is empty and whether there are no 1218 * outstanding transactions. If so, we reschedule. 1219 * Next, we see if the pending buffer queue is empty. 1220 * If it is, we set the number of buffers left to 1221 * the current active buffer count and set the 1222 * schedule on complete flag. 1223 */ 1224 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1225 if (--softc->bufs_left == 0) { 1226 softc->changer->flags |= 1227 CHANGER_MANUAL_CALL; 1228 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1229 cdrunchangerqueue(softc->changer); 1230 } 1231 } else if ((bioq_first(&softc->bio_queue) == NULL) 1232 && (softc->device_stats.busy_count == 0)) { 1233 softc->changer->flags |= CHANGER_MANUAL_CALL; 1234 cdrunchangerqueue(softc->changer); 1235 } 1236 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1237 && (softc->flags & CD_FLAG_ACTIVE)) { 1238 1239 /* 1240 * Now that the first transaction to this 1241 * particular device has completed, we can go ahead 1242 * and schedule our timeouts. 1243 */ 1244 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1245 changer->long_handle = 1246 timeout(cdrunchangerqueue, changer, 1247 changer_max_busy_seconds * hz); 1248 changer->flags |= CHANGER_TIMEOUT_SCHED; 1249 } else 1250 printf("cdchangerschedule: already have a long" 1251 " timeout!\n"); 1252 1253 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1254 changer->short_handle = 1255 timeout(cdshorttimeout, changer, 1256 changer_min_busy_seconds * hz); 1257 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1258 } else 1259 printf("cdchangerschedule: already have a short " 1260 "timeout!\n"); 1261 1262 /* 1263 * We just scheduled timeouts, no need to schedule 1264 * more. 1265 */ 1266 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1267 1268 } 1269 splx(s); 1270} 1271 1272static int 1273cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1274 u_int32_t cam_flags, 1275 u_int32_t sense_flags), 1276 u_int32_t cam_flags, u_int32_t sense_flags) 1277{ 1278 struct cd_softc *softc; 1279 struct cam_periph *periph; 1280 int error; 1281 1282 periph = xpt_path_periph(ccb->ccb_h.path); 1283 softc = (struct cd_softc *)periph->softc; 1284 1285 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1286 &softc->device_stats); 1287 1288 if (softc->flags & CD_FLAG_CHANGER) 1289 cdchangerschedule(softc); 1290 1291 return(error); 1292} 1293 1294static union ccb * 1295cdgetccb(struct cam_periph *periph, u_int32_t priority) 1296{ 1297 struct cd_softc *softc; 1298 int s; 1299 1300 softc = (struct cd_softc *)periph->softc; 1301 1302 if (softc->flags & CD_FLAG_CHANGER) { 1303 1304 s = splsoftcam(); 1305 1306 /* 1307 * This should work the first time this device is woken up, 1308 * but just in case it doesn't, we use a while loop. 1309 */ 1310 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1311 /* 1312 * If this changer isn't already queued, queue it up. 1313 */ 1314 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1315 softc->pinfo.priority = 1; 1316 softc->pinfo.generation = 1317 ++softc->changer->devq.generation; 1318 camq_insert(&softc->changer->devq, 1319 (cam_pinfo *)softc); 1320 } 1321 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1322 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1323 && ((softc->changer->flags 1324 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1325 softc->changer->flags |= CHANGER_MANUAL_CALL; 1326 cdrunchangerqueue(softc->changer); 1327 } else 1328 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1329 } 1330 splx(s); 1331 } 1332 return(cam_periph_getccb(periph, priority)); 1333} 1334 1335 1336/* 1337 * Actually translate the requested transfer into one the physical driver 1338 * can understand. The transfer is described by a buf and will include 1339 * only one physical transfer. 1340 */ 1341static void 1342cdstrategy(struct bio *bp) 1343{ 1344 struct cam_periph *periph; 1345 struct cd_softc *softc; 1346 u_int unit, part; 1347 int s; 1348 1349 unit = dkunit(bp->bio_dev); 1350 part = dkpart(bp->bio_dev); 1351 periph = cam_extend_get(cdperiphs, unit); 1352 if (periph == NULL) { 1353 bp->bio_error = ENXIO; 1354 goto bad; 1355 } 1356 1357 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1358 1359 softc = (struct cd_softc *)periph->softc; 1360 1361 /* 1362 * Mask interrupts so that the pack cannot be invalidated until 1363 * after we are in the queue. Otherwise, we might not properly 1364 * clean up one of the buffers. 1365 */ 1366 s = splbio(); 1367 1368 /* 1369 * If the device has been made invalid, error out 1370 */ 1371 if ((softc->flags & CD_FLAG_INVALID)) { 1372 splx(s); 1373 bp->bio_error = ENXIO; 1374 goto bad; 1375 } 1376 1377 /* 1378 * Place it in the queue of disk activities for this disk 1379 */ 1380 bioqdisksort(&softc->bio_queue, bp); 1381 1382 splx(s); 1383 1384 /* 1385 * Schedule ourselves for performing the work. We do things 1386 * differently for changers. 1387 */ 1388 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1389 xpt_schedule(periph, /* XXX priority */1); 1390 else 1391 cdschedule(periph, /* priority */ 1); 1392 1393 return; 1394bad: 1395 bp->bio_flags |= BIO_ERROR; 1396 /* 1397 * Correctly set the buf to indicate a completed xfer 1398 */ 1399 bp->bio_resid = bp->bio_bcount; 1400 biodone(bp); 1401 return; 1402} 1403 1404static void 1405cdstart(struct cam_periph *periph, union ccb *start_ccb) 1406{ 1407 struct cd_softc *softc; 1408 struct bio *bp; 1409 struct ccb_scsiio *csio; 1410 struct scsi_read_capacity_data *rcap; 1411 int s; 1412 1413 softc = (struct cd_softc *)periph->softc; 1414 1415 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1416 1417 switch (softc->state) { 1418 case CD_STATE_NORMAL: 1419 { 1420 int oldspl; 1421 1422 s = splbio(); 1423 bp = bioq_first(&softc->bio_queue); 1424 if (periph->immediate_priority <= periph->pinfo.priority) { 1425 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1426 1427 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1428 periph_links.sle); 1429 periph->immediate_priority = CAM_PRIORITY_NONE; 1430 splx(s); 1431 wakeup(&periph->ccb_list); 1432 } else if (bp == NULL) { 1433 splx(s); 1434 xpt_release_ccb(start_ccb); 1435 } else { 1436 bioq_remove(&softc->bio_queue, bp); 1437 1438 devstat_start_transaction(&softc->device_stats); 1439 1440 scsi_read_write(&start_ccb->csio, 1441 /*retries*/4, 1442 /* cbfcnp */ cddone, 1443 (bp->bio_flags & BIO_ORDERED) != 0 ? 1444 MSG_ORDERED_Q_TAG : 1445 MSG_SIMPLE_Q_TAG, 1446 /* read */bp->bio_cmd == BIO_READ, 1447 /* byte2 */ 0, 1448 /* minimum_cmd_size */ 10, 1449 /* lba */ bp->bio_pblkno, 1450 bp->bio_bcount / softc->params.blksize, 1451 /* data_ptr */ bp->bio_data, 1452 /* dxfer_len */ bp->bio_bcount, 1453 /* sense_len */ SSD_FULL_SIZE, 1454 /* timeout */ 30000); 1455 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1456 1457 1458 /* 1459 * Block out any asyncronous callbacks 1460 * while we touch the pending ccb list. 1461 */ 1462 oldspl = splcam(); 1463 LIST_INSERT_HEAD(&softc->pending_ccbs, 1464 &start_ccb->ccb_h, periph_links.le); 1465 splx(oldspl); 1466 1467 /* We expect a unit attention from this device */ 1468 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1469 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1470 softc->flags &= ~CD_FLAG_RETRY_UA; 1471 } 1472 1473 start_ccb->ccb_h.ccb_bp = bp; 1474 bp = bioq_first(&softc->bio_queue); 1475 splx(s); 1476 1477 xpt_action(start_ccb); 1478 } 1479 if (bp != NULL) { 1480 /* Have more work to do, so ensure we stay scheduled */ 1481 xpt_schedule(periph, /* XXX priority */1); 1482 } 1483 break; 1484 } 1485 case CD_STATE_PROBE: 1486 { 1487 1488 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1489 M_TEMP, 1490 M_NOWAIT); 1491 if (rcap == NULL) { 1492 xpt_print_path(periph->path); 1493 printf("cdstart: Couldn't malloc read_capacity data\n"); 1494 /* cd_free_periph??? */ 1495 break; 1496 } 1497 csio = &start_ccb->csio; 1498 scsi_read_capacity(csio, 1499 /*retries*/1, 1500 cddone, 1501 MSG_SIMPLE_Q_TAG, 1502 rcap, 1503 SSD_FULL_SIZE, 1504 /*timeout*/20000); 1505 start_ccb->ccb_h.ccb_bp = NULL; 1506 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1507 xpt_action(start_ccb); 1508 break; 1509 } 1510 } 1511} 1512 1513static void 1514cddone(struct cam_periph *periph, union ccb *done_ccb) 1515{ 1516 struct cd_softc *softc; 1517 struct ccb_scsiio *csio; 1518 1519 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1520 1521 softc = (struct cd_softc *)periph->softc; 1522 csio = &done_ccb->csio; 1523 1524 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1525 case CD_CCB_BUFFER_IO: 1526 { 1527 struct bio *bp; 1528 int error; 1529 int oldspl; 1530 1531 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1532 error = 0; 1533 1534 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1535 int sf; 1536 1537 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1538 sf = SF_RETRY_UA; 1539 else 1540 sf = 0; 1541 1542 /* Retry selection timeouts */ 1543 sf |= SF_RETRY_SELTO; 1544 1545 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1546 /* 1547 * A retry was scheuled, so 1548 * just return. 1549 */ 1550 return; 1551 } 1552 } 1553 1554 if (error != 0) { 1555 int s; 1556 struct bio *q_bp; 1557 1558 xpt_print_path(periph->path); 1559 printf("cddone: got error %#x back\n", error); 1560 s = splbio(); 1561 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1562 bioq_remove(&softc->bio_queue, q_bp); 1563 q_bp->bio_resid = q_bp->bio_bcount; 1564 q_bp->bio_error = EIO; 1565 q_bp->bio_flags |= BIO_ERROR; 1566 biodone(q_bp); 1567 } 1568 splx(s); 1569 bp->bio_resid = bp->bio_bcount; 1570 bp->bio_error = error; 1571 bp->bio_flags |= BIO_ERROR; 1572 cam_release_devq(done_ccb->ccb_h.path, 1573 /*relsim_flags*/0, 1574 /*reduction*/0, 1575 /*timeout*/0, 1576 /*getcount_only*/0); 1577 1578 } else { 1579 bp->bio_resid = csio->resid; 1580 bp->bio_error = 0; 1581 if (bp->bio_resid != 0) { 1582 /* Short transfer ??? */ 1583 bp->bio_flags |= BIO_ERROR; 1584 } 1585 } 1586 1587 /* 1588 * Block out any asyncronous callbacks 1589 * while we touch the pending ccb list. 1590 */ 1591 oldspl = splcam(); 1592 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1593 splx(oldspl); 1594 1595 if (softc->flags & CD_FLAG_CHANGER) 1596 cdchangerschedule(softc); 1597 1598 devstat_end_transaction_bio(&softc->device_stats, bp); 1599 biodone(bp); 1600 break; 1601 } 1602 case CD_CCB_PROBE: 1603 { 1604 struct scsi_read_capacity_data *rdcap; 1605 char announce_buf[120]; /* 1606 * Currently (9/30/97) the 1607 * longest possible announce 1608 * buffer is 108 bytes, for the 1609 * first error case below. 1610 * That is 39 bytes for the 1611 * basic string, 16 bytes for the 1612 * biggest sense key (hardware 1613 * error), 52 bytes for the 1614 * text of the largest sense 1615 * qualifier valid for a CDROM, 1616 * (0x72, 0x03 or 0x04, 1617 * 0x03), and one byte for the 1618 * null terminating character. 1619 * To allow for longer strings, 1620 * the announce buffer is 120 1621 * bytes. 1622 */ 1623 struct cd_params *cdp; 1624 1625 cdp = &softc->params; 1626 1627 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1628 1629 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1630 cdp->blksize = scsi_4btoul (rdcap->length); 1631 1632 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1633 1634 snprintf(announce_buf, sizeof(announce_buf), 1635 "cd present [%lu x %lu byte records]", 1636 cdp->disksize, (u_long)cdp->blksize); 1637 1638 } else { 1639 int error; 1640 /* 1641 * Retry any UNIT ATTENTION type errors. They 1642 * are expected at boot. 1643 */ 1644 error = cderror(done_ccb, 0, SF_RETRY_UA | 1645 SF_NO_PRINT | SF_RETRY_SELTO); 1646 if (error == ERESTART) { 1647 /* 1648 * A retry was scheuled, so 1649 * just return. 1650 */ 1651 return; 1652 } else if (error != 0) { 1653 1654 struct scsi_sense_data *sense; 1655 int asc, ascq; 1656 int sense_key, error_code; 1657 int have_sense; 1658 cam_status status; 1659 struct ccb_getdev cgd; 1660 1661 /* Don't wedge this device's queue */ 1662 cam_release_devq(done_ccb->ccb_h.path, 1663 /*relsim_flags*/0, 1664 /*reduction*/0, 1665 /*timeout*/0, 1666 /*getcount_only*/0); 1667 1668 status = done_ccb->ccb_h.status; 1669 1670 xpt_setup_ccb(&cgd.ccb_h, 1671 done_ccb->ccb_h.path, 1672 /* priority */ 1); 1673 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1674 xpt_action((union ccb *)&cgd); 1675 1676 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1677 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1678 || ((status & CAM_AUTOSNS_VALID) == 0)) 1679 have_sense = FALSE; 1680 else 1681 have_sense = TRUE; 1682 1683 if (have_sense) { 1684 sense = &csio->sense_data; 1685 scsi_extract_sense(sense, &error_code, 1686 &sense_key, 1687 &asc, &ascq); 1688 } 1689 /* 1690 * Attach to anything that claims to be a 1691 * CDROM or WORM device, as long as it 1692 * doesn't return a "Logical unit not 1693 * supported" (0x25) error. 1694 */ 1695 if ((have_sense) && (asc != 0x25) 1696 && (error_code == SSD_CURRENT_ERROR)) 1697 snprintf(announce_buf, 1698 sizeof(announce_buf), 1699 "Attempt to query device " 1700 "size failed: %s, %s", 1701 scsi_sense_key_text[sense_key], 1702 scsi_sense_desc(asc,ascq, 1703 &cgd.inq_data)); 1704 else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1705 /* 1706 * We only print out an error for 1707 * CDROM type devices. For WORM 1708 * devices, we don't print out an 1709 * error since a few WORM devices 1710 * don't support CDROM commands. 1711 * If we have sense information, go 1712 * ahead and print it out. 1713 * Otherwise, just say that we 1714 * couldn't attach. 1715 */ 1716 1717 /* 1718 * Just print out the error, not 1719 * the full probe message, when we 1720 * don't attach. 1721 */ 1722 if (have_sense) 1723 scsi_sense_print( 1724 &done_ccb->csio); 1725 else { 1726 xpt_print_path(periph->path); 1727 printf("got CAM status %#x\n", 1728 done_ccb->ccb_h.status); 1729 } 1730 xpt_print_path(periph->path); 1731 printf("fatal error, failed" 1732 " to attach to device\n"); 1733 1734 /* 1735 * Invalidate this peripheral. 1736 */ 1737 cam_periph_invalidate(periph); 1738 1739 announce_buf[0] = '\0'; 1740 } else { 1741 1742 /* 1743 * Invalidate this peripheral. 1744 */ 1745 cam_periph_invalidate(periph); 1746 announce_buf[0] = '\0'; 1747 } 1748 } 1749 } 1750 free(rdcap, M_TEMP); 1751 if (announce_buf[0] != '\0') { 1752 xpt_announce_periph(periph, announce_buf); 1753 if (softc->flags & CD_FLAG_CHANGER) 1754 cdchangerschedule(softc); 1755 } 1756 softc->state = CD_STATE_NORMAL; 1757 /* 1758 * Since our peripheral may be invalidated by an error 1759 * above or an external event, we must release our CCB 1760 * before releasing the probe lock on the peripheral. 1761 * The peripheral will only go away once the last lock 1762 * is removed, and we need it around for the CCB release 1763 * operation. 1764 */ 1765 xpt_release_ccb(done_ccb); 1766 cam_periph_unlock(periph); 1767 return; 1768 } 1769 case CD_CCB_WAITING: 1770 { 1771 /* Caller will release the CCB */ 1772 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1773 ("trying to wakeup ccbwait\n")); 1774 1775 wakeup(&done_ccb->ccb_h.cbfcnp); 1776 return; 1777 } 1778 default: 1779 break; 1780 } 1781 xpt_release_ccb(done_ccb); 1782} 1783 1784static int 1785cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1786{ 1787 1788 struct cam_periph *periph; 1789 struct cd_softc *softc; 1790 int error, unit; 1791 1792 unit = dkunit(dev); 1793 1794 periph = cam_extend_get(cdperiphs, unit); 1795 if (periph == NULL) 1796 return(ENXIO); 1797 1798 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1799 1800 softc = (struct cd_softc *)periph->softc; 1801 1802 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1803 ("trying to do ioctl %#lx\n", cmd)); 1804 1805 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1806 1807 if (error != 0) 1808 return(error); 1809 1810 switch (cmd) { 1811 1812 case CDIOCPLAYTRACKS: 1813 { 1814 struct ioc_play_track *args 1815 = (struct ioc_play_track *) addr; 1816 struct cd_mode_data *data; 1817 1818 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1819 M_WAITOK); 1820 1821 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1822 ("trying to do CDIOCPLAYTRACKS\n")); 1823 1824 error = cdgetmode(periph, data, AUDIO_PAGE); 1825 if (error) { 1826 free(data, M_TEMP); 1827 break; 1828 } 1829 data->page.audio.flags &= ~CD_PA_SOTC; 1830 data->page.audio.flags |= CD_PA_IMMED; 1831 error = cdsetmode(periph, data); 1832 free(data, M_TEMP); 1833 if (error) 1834 break; 1835 if (softc->quirks & CD_Q_BCD_TRACKS) { 1836 args->start_track = bin2bcd(args->start_track); 1837 args->end_track = bin2bcd(args->end_track); 1838 } 1839 error = cdplaytracks(periph, 1840 args->start_track, 1841 args->start_index, 1842 args->end_track, 1843 args->end_index); 1844 } 1845 break; 1846 case CDIOCPLAYMSF: 1847 { 1848 struct ioc_play_msf *args 1849 = (struct ioc_play_msf *) addr; 1850 struct cd_mode_data *data; 1851 1852 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1853 M_WAITOK); 1854 1855 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1856 ("trying to do CDIOCPLAYMSF\n")); 1857 1858 error = cdgetmode(periph, data, AUDIO_PAGE); 1859 if (error) { 1860 free(data, M_TEMP); 1861 break; 1862 } 1863 data->page.audio.flags &= ~CD_PA_SOTC; 1864 data->page.audio.flags |= CD_PA_IMMED; 1865 error = cdsetmode(periph, data); 1866 free(data, M_TEMP); 1867 if (error) 1868 break; 1869 error = cdplaymsf(periph, 1870 args->start_m, 1871 args->start_s, 1872 args->start_f, 1873 args->end_m, 1874 args->end_s, 1875 args->end_f); 1876 } 1877 break; 1878 case CDIOCPLAYBLOCKS: 1879 { 1880 struct ioc_play_blocks *args 1881 = (struct ioc_play_blocks *) addr; 1882 struct cd_mode_data *data; 1883 1884 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1885 ("trying to do CDIOCPLAYBLOCKS\n")); 1886 1887 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1888 M_WAITOK); 1889 1890 error = cdgetmode(periph, data, AUDIO_PAGE); 1891 if (error) { 1892 free(data, M_TEMP); 1893 break; 1894 } 1895 data->page.audio.flags &= ~CD_PA_SOTC; 1896 data->page.audio.flags |= CD_PA_IMMED; 1897 error = cdsetmode(periph, data); 1898 free(data, M_TEMP); 1899 if (error) 1900 break; 1901 error = cdplay(periph, args->blk, args->len); 1902 } 1903 break; 1904 case CDIOCREADSUBCHANNEL: 1905 { 1906 struct ioc_read_subchannel *args 1907 = (struct ioc_read_subchannel *) addr; 1908 struct cd_sub_channel_info *data; 1909 u_int32_t len = args->data_len; 1910 1911 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1912 ("trying to do CDIOCREADSUBCHANNEL\n")); 1913 1914 data = malloc(sizeof(struct cd_sub_channel_info), 1915 M_TEMP, M_WAITOK); 1916 1917 if ((len > sizeof(struct cd_sub_channel_info)) || 1918 (len < sizeof(struct cd_sub_channel_header))) { 1919 printf( 1920 "scsi_cd: cdioctl: " 1921 "cdioreadsubchannel: error, len=%d\n", 1922 len); 1923 error = EINVAL; 1924 free(data, M_TEMP); 1925 break; 1926 } 1927 1928 if (softc->quirks & CD_Q_BCD_TRACKS) 1929 args->track = bin2bcd(args->track); 1930 1931 error = cdreadsubchannel(periph, args->address_format, 1932 args->data_format, args->track, data, len); 1933 1934 if (error) { 1935 free(data, M_TEMP); 1936 break; 1937 } 1938 if (softc->quirks & CD_Q_BCD_TRACKS) 1939 data->what.track_info.track_number = 1940 bcd2bin(data->what.track_info.track_number); 1941 len = min(len, ((data->header.data_len[0] << 8) + 1942 data->header.data_len[1] + 1943 sizeof(struct cd_sub_channel_header))); 1944 if (copyout(data, args->data, len) != 0) { 1945 error = EFAULT; 1946 } 1947 free(data, M_TEMP); 1948 } 1949 break; 1950 1951 case CDIOREADTOCHEADER: 1952 { 1953 struct ioc_toc_header *th; 1954 1955 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1956 ("trying to do CDIOREADTOCHEADER\n")); 1957 1958 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1959 M_WAITOK); 1960 error = cdreadtoc(periph, 0, 0, 1961 (struct cd_toc_entry *)th, 1962 sizeof (*th)); 1963 if (error) { 1964 free(th, M_TEMP); 1965 break; 1966 } 1967 if (softc->quirks & CD_Q_BCD_TRACKS) { 1968 /* we are going to have to convert the BCD 1969 * encoding on the cd to what is expected 1970 */ 1971 th->starting_track = 1972 bcd2bin(th->starting_track); 1973 th->ending_track = bcd2bin(th->ending_track); 1974 } 1975 NTOHS(th->len); 1976 bcopy(th, addr, sizeof(*th)); 1977 free(th, M_TEMP); 1978 } 1979 break; 1980 case CDIOREADTOCENTRYS: 1981 { 1982 typedef struct { 1983 struct ioc_toc_header header; 1984 struct cd_toc_entry entries[100]; 1985 } data_t; 1986 typedef struct { 1987 struct ioc_toc_header header; 1988 struct cd_toc_entry entry; 1989 } lead_t; 1990 1991 data_t *data; 1992 lead_t *lead; 1993 struct ioc_read_toc_entry *te = 1994 (struct ioc_read_toc_entry *) addr; 1995 struct ioc_toc_header *th; 1996 u_int32_t len, readlen, idx, num; 1997 u_int32_t starting_track = te->starting_track; 1998 1999 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2000 ("trying to do CDIOREADTOCENTRYS\n")); 2001 2002 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2003 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2004 2005 if (te->data_len < sizeof(struct cd_toc_entry) 2006 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2007 || (te->address_format != CD_MSF_FORMAT 2008 && te->address_format != CD_LBA_FORMAT)) { 2009 error = EINVAL; 2010 printf("scsi_cd: error in readtocentries, " 2011 "returning EINVAL\n"); 2012 free(data, M_TEMP); 2013 free(lead, M_TEMP); 2014 break; 2015 } 2016 2017 th = &data->header; 2018 error = cdreadtoc(periph, 0, 0, 2019 (struct cd_toc_entry *)th, 2020 sizeof (*th)); 2021 if (error) { 2022 free(data, M_TEMP); 2023 free(lead, M_TEMP); 2024 break; 2025 } 2026 2027 if (softc->quirks & CD_Q_BCD_TRACKS) { 2028 /* we are going to have to convert the BCD 2029 * encoding on the cd to what is expected 2030 */ 2031 th->starting_track = 2032 bcd2bin(th->starting_track); 2033 th->ending_track = bcd2bin(th->ending_track); 2034 } 2035 2036 if (starting_track == 0) 2037 starting_track = th->starting_track; 2038 else if (starting_track == LEADOUT) 2039 starting_track = th->ending_track + 1; 2040 else if (starting_track < th->starting_track || 2041 starting_track > th->ending_track + 1) { 2042 printf("scsi_cd: error in readtocentries, " 2043 "returning EINVAL\n"); 2044 free(data, M_TEMP); 2045 free(lead, M_TEMP); 2046 error = EINVAL; 2047 break; 2048 } 2049 2050 /* calculate reading length without leadout entry */ 2051 readlen = (th->ending_track - starting_track + 1) * 2052 sizeof(struct cd_toc_entry); 2053 2054 /* and with leadout entry */ 2055 len = readlen + sizeof(struct cd_toc_entry); 2056 if (te->data_len < len) { 2057 len = te->data_len; 2058 if (readlen > len) 2059 readlen = len; 2060 } 2061 if (len > sizeof(data->entries)) { 2062 printf("scsi_cd: error in readtocentries, " 2063 "returning EINVAL\n"); 2064 error = EINVAL; 2065 free(data, M_TEMP); 2066 free(lead, M_TEMP); 2067 break; 2068 } 2069 num = len / sizeof(struct cd_toc_entry); 2070 2071 if (readlen > 0) { 2072 error = cdreadtoc(periph, te->address_format, 2073 starting_track, 2074 (struct cd_toc_entry *)data, 2075 readlen + sizeof (*th)); 2076 if (error) { 2077 free(data, M_TEMP); 2078 free(lead, M_TEMP); 2079 break; 2080 } 2081 } 2082 2083 /* make leadout entry if needed */ 2084 idx = starting_track + num - 1; 2085 if (softc->quirks & CD_Q_BCD_TRACKS) 2086 th->ending_track = bcd2bin(th->ending_track); 2087 if (idx == th->ending_track + 1) { 2088 error = cdreadtoc(periph, te->address_format, 2089 LEADOUT, 2090 (struct cd_toc_entry *)lead, 2091 sizeof(*lead)); 2092 if (error) { 2093 free(data, M_TEMP); 2094 free(lead, M_TEMP); 2095 break; 2096 } 2097 data->entries[idx - starting_track] = 2098 lead->entry; 2099 } 2100 if (softc->quirks & CD_Q_BCD_TRACKS) { 2101 for (idx = 0; idx < num - 1; idx++) { 2102 data->entries[idx].track = 2103 bcd2bin(data->entries[idx].track); 2104 } 2105 } 2106 2107 error = copyout(data->entries, te->data, len); 2108 free(data, M_TEMP); 2109 free(lead, M_TEMP); 2110 } 2111 break; 2112 case CDIOREADTOCENTRY: 2113 { 2114 /* yeah yeah, this is ugly */ 2115 typedef struct { 2116 struct ioc_toc_header header; 2117 struct cd_toc_entry entry; 2118 } data_t; 2119 2120 data_t *data; 2121 struct ioc_read_toc_single_entry *te = 2122 (struct ioc_read_toc_single_entry *) addr; 2123 struct ioc_toc_header *th; 2124 u_int32_t track; 2125 2126 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2127 ("trying to do CDIOREADTOCENTRY\n")); 2128 2129 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2130 2131 if (te->address_format != CD_MSF_FORMAT 2132 && te->address_format != CD_LBA_FORMAT) { 2133 printf("error in readtocentry, " 2134 " returning EINVAL\n"); 2135 free(data, M_TEMP); 2136 error = EINVAL; 2137 break; 2138 } 2139 2140 th = &data->header; 2141 error = cdreadtoc(periph, 0, 0, 2142 (struct cd_toc_entry *)th, 2143 sizeof (*th)); 2144 if (error) { 2145 free(data, M_TEMP); 2146 break; 2147 } 2148 2149 if (softc->quirks & CD_Q_BCD_TRACKS) { 2150 /* we are going to have to convert the BCD 2151 * encoding on the cd to what is expected 2152 */ 2153 th->starting_track = 2154 bcd2bin(th->starting_track); 2155 th->ending_track = bcd2bin(th->ending_track); 2156 } 2157 track = te->track; 2158 if (track == 0) 2159 track = th->starting_track; 2160 else if (track == LEADOUT) 2161 /* OK */; 2162 else if (track < th->starting_track || 2163 track > th->ending_track + 1) { 2164 printf("error in readtocentry, " 2165 " returning EINVAL\n"); 2166 free(data, M_TEMP); 2167 error = EINVAL; 2168 break; 2169 } 2170 2171 error = cdreadtoc(periph, te->address_format, track, 2172 (struct cd_toc_entry *)data, 2173 sizeof(data_t)); 2174 if (error) { 2175 free(data, M_TEMP); 2176 break; 2177 } 2178 2179 if (softc->quirks & CD_Q_BCD_TRACKS) 2180 data->entry.track = bcd2bin(data->entry.track); 2181 bcopy(&data->entry, &te->entry, 2182 sizeof(struct cd_toc_entry)); 2183 free(data, M_TEMP); 2184 } 2185 break; 2186 case CDIOCSETPATCH: 2187 { 2188 struct ioc_patch *arg = (struct ioc_patch *) addr; 2189 struct cd_mode_data *data; 2190 2191 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2192 ("trying to do CDIOCSETPATCH\n")); 2193 2194 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2195 M_WAITOK); 2196 error = cdgetmode(periph, data, AUDIO_PAGE); 2197 if (error) { 2198 free(data, M_TEMP); 2199 break; 2200 } 2201 data->page.audio.port[LEFT_PORT].channels = 2202 arg->patch[0]; 2203 data->page.audio.port[RIGHT_PORT].channels = 2204 arg->patch[1]; 2205 data->page.audio.port[2].channels = arg->patch[2]; 2206 data->page.audio.port[3].channels = arg->patch[3]; 2207 error = cdsetmode(periph, data); 2208 free(data, M_TEMP); 2209 } 2210 break; 2211 case CDIOCGETVOL: 2212 { 2213 struct ioc_vol *arg = (struct ioc_vol *) addr; 2214 struct cd_mode_data *data; 2215 2216 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2217 ("trying to do CDIOCGETVOL\n")); 2218 2219 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2220 M_WAITOK); 2221 error = cdgetmode(periph, data, AUDIO_PAGE); 2222 if (error) { 2223 free(data, M_TEMP); 2224 break; 2225 } 2226 arg->vol[LEFT_PORT] = 2227 data->page.audio.port[LEFT_PORT].volume; 2228 arg->vol[RIGHT_PORT] = 2229 data->page.audio.port[RIGHT_PORT].volume; 2230 arg->vol[2] = data->page.audio.port[2].volume; 2231 arg->vol[3] = data->page.audio.port[3].volume; 2232 free(data, M_TEMP); 2233 } 2234 break; 2235 case CDIOCSETVOL: 2236 { 2237 struct ioc_vol *arg = (struct ioc_vol *) addr; 2238 struct cd_mode_data *data; 2239 2240 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2241 ("trying to do CDIOCSETVOL\n")); 2242 2243 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2244 M_WAITOK); 2245 error = cdgetmode(periph, data, AUDIO_PAGE); 2246 if (error) { 2247 free(data, M_TEMP); 2248 break; 2249 } 2250 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2251 data->page.audio.port[LEFT_PORT].volume = 2252 arg->vol[LEFT_PORT]; 2253 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2254 data->page.audio.port[RIGHT_PORT].volume = 2255 arg->vol[RIGHT_PORT]; 2256 data->page.audio.port[2].volume = arg->vol[2]; 2257 data->page.audio.port[3].volume = arg->vol[3]; 2258 error = cdsetmode(periph, data); 2259 free(data, M_TEMP); 2260 } 2261 break; 2262 case CDIOCSETMONO: 2263 { 2264 struct cd_mode_data *data; 2265 2266 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2267 ("trying to do CDIOCSETMONO\n")); 2268 2269 data = malloc(sizeof(struct cd_mode_data), 2270 M_TEMP, M_WAITOK); 2271 error = cdgetmode(periph, data, AUDIO_PAGE); 2272 if (error) { 2273 free(data, M_TEMP); 2274 break; 2275 } 2276 data->page.audio.port[LEFT_PORT].channels = 2277 LEFT_CHANNEL | RIGHT_CHANNEL; 2278 data->page.audio.port[RIGHT_PORT].channels = 2279 LEFT_CHANNEL | RIGHT_CHANNEL; 2280 data->page.audio.port[2].channels = 0; 2281 data->page.audio.port[3].channels = 0; 2282 error = cdsetmode(periph, data); 2283 free(data, M_TEMP); 2284 } 2285 break; 2286 case CDIOCSETSTEREO: 2287 { 2288 struct cd_mode_data *data; 2289 2290 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2291 ("trying to do CDIOCSETSTEREO\n")); 2292 2293 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2294 M_WAITOK); 2295 error = cdgetmode(periph, data, AUDIO_PAGE); 2296 if (error) { 2297 free(data, M_TEMP); 2298 break; 2299 } 2300 data->page.audio.port[LEFT_PORT].channels = 2301 LEFT_CHANNEL; 2302 data->page.audio.port[RIGHT_PORT].channels = 2303 RIGHT_CHANNEL; 2304 data->page.audio.port[2].channels = 0; 2305 data->page.audio.port[3].channels = 0; 2306 error = cdsetmode(periph, data); 2307 free(data, M_TEMP); 2308 } 2309 break; 2310 case CDIOCSETMUTE: 2311 { 2312 struct cd_mode_data *data; 2313 2314 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2315 ("trying to do CDIOCSETMUTE\n")); 2316 2317 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2318 M_WAITOK); 2319 error = cdgetmode(periph, data, AUDIO_PAGE); 2320 if (error) { 2321 free(data, M_TEMP); 2322 break; 2323 } 2324 data->page.audio.port[LEFT_PORT].channels = 0; 2325 data->page.audio.port[RIGHT_PORT].channels = 0; 2326 data->page.audio.port[2].channels = 0; 2327 data->page.audio.port[3].channels = 0; 2328 error = cdsetmode(periph, data); 2329 free(data, M_TEMP); 2330 } 2331 break; 2332 case CDIOCSETLEFT: 2333 { 2334 struct cd_mode_data *data; 2335 2336 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2337 ("trying to do CDIOCSETLEFT\n")); 2338 2339 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2340 M_WAITOK); 2341 error = cdgetmode(periph, data, AUDIO_PAGE); 2342 if (error) { 2343 free(data, M_TEMP); 2344 break; 2345 } 2346 data->page.audio.port[LEFT_PORT].channels = 2347 LEFT_CHANNEL; 2348 data->page.audio.port[RIGHT_PORT].channels = 2349 LEFT_CHANNEL; 2350 data->page.audio.port[2].channels = 0; 2351 data->page.audio.port[3].channels = 0; 2352 error = cdsetmode(periph, data); 2353 free(data, M_TEMP); 2354 } 2355 break; 2356 case CDIOCSETRIGHT: 2357 { 2358 struct cd_mode_data *data; 2359 2360 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2361 ("trying to do CDIOCSETRIGHT\n")); 2362 2363 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2364 M_WAITOK); 2365 error = cdgetmode(periph, data, AUDIO_PAGE); 2366 if (error) { 2367 free(data, M_TEMP); 2368 break; 2369 } 2370 data->page.audio.port[LEFT_PORT].channels = 2371 RIGHT_CHANNEL; 2372 data->page.audio.port[RIGHT_PORT].channels = 2373 RIGHT_CHANNEL; 2374 data->page.audio.port[2].channels = 0; 2375 data->page.audio.port[3].channels = 0; 2376 error = cdsetmode(periph, data); 2377 free(data, M_TEMP); 2378 } 2379 break; 2380 case CDIOCRESUME: 2381 error = cdpause(periph, 1); 2382 break; 2383 case CDIOCPAUSE: 2384 error = cdpause(periph, 0); 2385 break; 2386 case CDIOCSTART: 2387 error = cdstartunit(periph); 2388 break; 2389 case CDIOCSTOP: 2390 error = cdstopunit(periph, 0); 2391 break; 2392 case CDIOCEJECT: 2393 error = cdstopunit(periph, 1); 2394 break; 2395 case CDIOCALLOW: 2396 cdprevent(periph, PR_ALLOW); 2397 break; 2398 case CDIOCPREVENT: 2399 cdprevent(periph, PR_PREVENT); 2400 break; 2401 case CDIOCSETDEBUG: 2402 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2403 error = ENOTTY; 2404 break; 2405 case CDIOCCLRDEBUG: 2406 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2407 error = ENOTTY; 2408 break; 2409 case CDIOCRESET: 2410 /* return (cd_reset(periph)); */ 2411 error = ENOTTY; 2412 break; 2413 case DVDIOCSENDKEY: 2414 case DVDIOCREPORTKEY: { 2415 struct dvd_authinfo *authinfo; 2416 2417 authinfo = (struct dvd_authinfo *)addr; 2418 2419 if (cmd == DVDIOCREPORTKEY) 2420 error = cdreportkey(periph, authinfo); 2421 else 2422 error = cdsendkey(periph, authinfo); 2423 break; 2424 } 2425 case DVDIOCREADSTRUCTURE: { 2426 struct dvd_struct *dvdstruct; 2427 2428 dvdstruct = (struct dvd_struct *)addr; 2429 2430 error = cdreaddvdstructure(periph, dvdstruct); 2431 2432 break; 2433 } 2434 default: 2435 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2436 break; 2437 } 2438 2439 cam_periph_unlock(periph); 2440 2441 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2442 2443 return (error); 2444} 2445 2446static void 2447cdprevent(struct cam_periph *periph, int action) 2448{ 2449 union ccb *ccb; 2450 struct cd_softc *softc; 2451 int error; 2452 2453 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2454 2455 softc = (struct cd_softc *)periph->softc; 2456 2457 if (((action == PR_ALLOW) 2458 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2459 || ((action == PR_PREVENT) 2460 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2461 return; 2462 } 2463 2464 ccb = cdgetccb(periph, /* priority */ 1); 2465 2466 scsi_prevent(&ccb->csio, 2467 /*retries*/ 1, 2468 cddone, 2469 MSG_SIMPLE_Q_TAG, 2470 action, 2471 SSD_FULL_SIZE, 2472 /* timeout */60000); 2473 2474 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2475 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2476 2477 xpt_release_ccb(ccb); 2478 2479 if (error == 0) { 2480 if (action == PR_ALLOW) 2481 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2482 else 2483 softc->flags |= CD_FLAG_DISC_LOCKED; 2484 } 2485} 2486 2487static int 2488cdsize(dev_t dev, u_int32_t *size) 2489{ 2490 struct cam_periph *periph; 2491 struct cd_softc *softc; 2492 union ccb *ccb; 2493 struct scsi_read_capacity_data *rcap_buf; 2494 int error; 2495 2496 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2497 2498 if (periph == NULL) 2499 return (ENXIO); 2500 2501 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2502 2503 softc = (struct cd_softc *)periph->softc; 2504 2505 ccb = cdgetccb(periph, /* priority */ 1); 2506 2507 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2508 M_TEMP, M_WAITOK); 2509 2510 scsi_read_capacity(&ccb->csio, 2511 /*retries*/ 1, 2512 cddone, 2513 MSG_SIMPLE_Q_TAG, 2514 rcap_buf, 2515 SSD_FULL_SIZE, 2516 /* timeout */20000); 2517 2518 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2519 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2520 2521 xpt_release_ccb(ccb); 2522 2523 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2524 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2525 /* 2526 * SCSI-3 mandates that the reported blocksize shall be 2048. 2527 * Older drives sometimes report funny values, trim it down to 2528 * 2048, or other parts of the kernel will get confused. 2529 * 2530 * XXX we leave drives alone that might report 512 bytes, as 2531 * well as drives reporting more weird sizes like perhaps 4K. 2532 */ 2533 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2534 softc->params.blksize = 2048; 2535 2536 free(rcap_buf, M_TEMP); 2537 *size = softc->params.disksize; 2538 2539 return (error); 2540 2541} 2542 2543static int 2544cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2545{ 2546 struct cd_softc *softc; 2547 struct cam_periph *periph; 2548 2549 periph = xpt_path_periph(ccb->ccb_h.path); 2550 softc = (struct cd_softc *)periph->softc; 2551 2552 /* 2553 * XXX 2554 * Until we have a better way of doing pack validation, 2555 * don't treat UAs as errors. 2556 */ 2557 sense_flags |= SF_RETRY_UA; 2558 return (cam_periph_error(ccb, cam_flags, sense_flags, 2559 &softc->saved_ccb)); 2560} 2561 2562/* 2563 * Read table of contents 2564 */ 2565static int 2566cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2567 struct cd_toc_entry *data, u_int32_t len) 2568{ 2569 struct scsi_read_toc *scsi_cmd; 2570 u_int32_t ntoc; 2571 struct ccb_scsiio *csio; 2572 union ccb *ccb; 2573 int error; 2574 2575 ntoc = len; 2576 error = 0; 2577 2578 ccb = cdgetccb(periph, /* priority */ 1); 2579 2580 csio = &ccb->csio; 2581 2582 cam_fill_csio(csio, 2583 /* retries */ 1, 2584 /* cbfcnp */ cddone, 2585 /* flags */ CAM_DIR_IN, 2586 /* tag_action */ MSG_SIMPLE_Q_TAG, 2587 /* data_ptr */ (u_int8_t *)data, 2588 /* dxfer_len */ len, 2589 /* sense_len */ SSD_FULL_SIZE, 2590 sizeof(struct scsi_read_toc), 2591 /* timeout */ 50000); 2592 2593 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2594 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2595 2596 if (mode == CD_MSF_FORMAT) 2597 scsi_cmd->byte2 |= CD_MSF; 2598 scsi_cmd->from_track = start; 2599 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2600 scsi_cmd->data_len[0] = (ntoc) >> 8; 2601 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2602 2603 scsi_cmd->op_code = READ_TOC; 2604 2605 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2606 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2607 2608 xpt_release_ccb(ccb); 2609 2610 return(error); 2611} 2612 2613static int 2614cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2615 u_int32_t format, int track, 2616 struct cd_sub_channel_info *data, u_int32_t len) 2617{ 2618 struct scsi_read_subchannel *scsi_cmd; 2619 struct ccb_scsiio *csio; 2620 union ccb *ccb; 2621 int error; 2622 2623 error = 0; 2624 2625 ccb = cdgetccb(periph, /* priority */ 1); 2626 2627 csio = &ccb->csio; 2628 2629 cam_fill_csio(csio, 2630 /* retries */ 1, 2631 /* cbfcnp */ cddone, 2632 /* flags */ CAM_DIR_IN, 2633 /* tag_action */ MSG_SIMPLE_Q_TAG, 2634 /* data_ptr */ (u_int8_t *)data, 2635 /* dxfer_len */ len, 2636 /* sense_len */ SSD_FULL_SIZE, 2637 sizeof(struct scsi_read_subchannel), 2638 /* timeout */ 50000); 2639 2640 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2641 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2642 2643 scsi_cmd->op_code = READ_SUBCHANNEL; 2644 if (mode == CD_MSF_FORMAT) 2645 scsi_cmd->byte1 |= CD_MSF; 2646 scsi_cmd->byte2 = SRS_SUBQ; 2647 scsi_cmd->subchan_format = format; 2648 scsi_cmd->track = track; 2649 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2650 scsi_cmd->control = 0; 2651 2652 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2653 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2654 2655 xpt_release_ccb(ccb); 2656 2657 return(error); 2658} 2659 2660 2661static int 2662cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2663{ 2664 struct scsi_mode_sense_6 *scsi_cmd; 2665 struct ccb_scsiio *csio; 2666 union ccb *ccb; 2667 int error; 2668 2669 ccb = cdgetccb(periph, /* priority */ 1); 2670 2671 csio = &ccb->csio; 2672 2673 bzero(data, sizeof(*data)); 2674 cam_fill_csio(csio, 2675 /* retries */ 1, 2676 /* cbfcnp */ cddone, 2677 /* flags */ CAM_DIR_IN, 2678 /* tag_action */ MSG_SIMPLE_Q_TAG, 2679 /* data_ptr */ (u_int8_t *)data, 2680 /* dxfer_len */ sizeof(*data), 2681 /* sense_len */ SSD_FULL_SIZE, 2682 sizeof(struct scsi_mode_sense_6), 2683 /* timeout */ 50000); 2684 2685 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2686 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2687 2688 scsi_cmd->page = page; 2689 scsi_cmd->length = sizeof(*data) & 0xff; 2690 scsi_cmd->opcode = MODE_SENSE; 2691 2692 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2693 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2694 2695 xpt_release_ccb(ccb); 2696 2697 return(error); 2698} 2699 2700static int 2701cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2702{ 2703 struct scsi_mode_select_6 *scsi_cmd; 2704 struct ccb_scsiio *csio; 2705 union ccb *ccb; 2706 int error; 2707 2708 ccb = cdgetccb(periph, /* priority */ 1); 2709 2710 csio = &ccb->csio; 2711 2712 error = 0; 2713 2714 cam_fill_csio(csio, 2715 /* retries */ 1, 2716 /* cbfcnp */ cddone, 2717 /* flags */ CAM_DIR_OUT, 2718 /* tag_action */ MSG_SIMPLE_Q_TAG, 2719 /* data_ptr */ (u_int8_t *)data, 2720 /* dxfer_len */ sizeof(*data), 2721 /* sense_len */ SSD_FULL_SIZE, 2722 sizeof(struct scsi_mode_select_6), 2723 /* timeout */ 50000); 2724 2725 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2726 2727 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2728 scsi_cmd->opcode = MODE_SELECT; 2729 scsi_cmd->byte2 |= SMS_PF; 2730 scsi_cmd->length = sizeof(*data) & 0xff; 2731 data->header.data_length = 0; 2732 /* 2733 * SONY drives do not allow a mode select with a medium_type 2734 * value that has just been returned by a mode sense; use a 2735 * medium_type of 0 (Default) instead. 2736 */ 2737 data->header.medium_type = 0; 2738 2739 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2740 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2741 2742 xpt_release_ccb(ccb); 2743 2744 return(error); 2745} 2746 2747 2748static int 2749cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2750{ 2751 struct ccb_scsiio *csio; 2752 union ccb *ccb; 2753 int error; 2754 u_int8_t cdb_len; 2755 2756 error = 0; 2757 ccb = cdgetccb(periph, /* priority */ 1); 2758 csio = &ccb->csio; 2759 /* 2760 * Use the smallest possible command to perform the operation. 2761 */ 2762 if ((len & 0xffff0000) == 0) { 2763 /* 2764 * We can fit in a 10 byte cdb. 2765 */ 2766 struct scsi_play_10 *scsi_cmd; 2767 2768 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2769 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2770 scsi_cmd->op_code = PLAY_10; 2771 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2772 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2773 cdb_len = sizeof(*scsi_cmd); 2774 } else { 2775 struct scsi_play_12 *scsi_cmd; 2776 2777 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2778 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2779 scsi_cmd->op_code = PLAY_12; 2780 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2781 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2782 cdb_len = sizeof(*scsi_cmd); 2783 } 2784 cam_fill_csio(csio, 2785 /*retries*/2, 2786 cddone, 2787 /*flags*/CAM_DIR_NONE, 2788 MSG_SIMPLE_Q_TAG, 2789 /*dataptr*/NULL, 2790 /*datalen*/0, 2791 /*sense_len*/SSD_FULL_SIZE, 2792 cdb_len, 2793 /*timeout*/50 * 1000); 2794 2795 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2796 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2797 2798 xpt_release_ccb(ccb); 2799 2800 return(error); 2801} 2802 2803static int 2804cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2805 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2806{ 2807 struct scsi_play_msf *scsi_cmd; 2808 struct ccb_scsiio *csio; 2809 union ccb *ccb; 2810 int error; 2811 2812 error = 0; 2813 2814 ccb = cdgetccb(periph, /* priority */ 1); 2815 2816 csio = &ccb->csio; 2817 2818 cam_fill_csio(csio, 2819 /* retries */ 1, 2820 /* cbfcnp */ cddone, 2821 /* flags */ CAM_DIR_NONE, 2822 /* tag_action */ MSG_SIMPLE_Q_TAG, 2823 /* data_ptr */ NULL, 2824 /* dxfer_len */ 0, 2825 /* sense_len */ SSD_FULL_SIZE, 2826 sizeof(struct scsi_play_msf), 2827 /* timeout */ 50000); 2828 2829 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2830 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2831 2832 scsi_cmd->op_code = PLAY_MSF; 2833 scsi_cmd->start_m = startm; 2834 scsi_cmd->start_s = starts; 2835 scsi_cmd->start_f = startf; 2836 scsi_cmd->end_m = endm; 2837 scsi_cmd->end_s = ends; 2838 scsi_cmd->end_f = endf; 2839 2840 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2841 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2842 2843 xpt_release_ccb(ccb); 2844 2845 return(error); 2846} 2847 2848 2849static int 2850cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2851 u_int32_t etrack, u_int32_t eindex) 2852{ 2853 struct scsi_play_track *scsi_cmd; 2854 struct ccb_scsiio *csio; 2855 union ccb *ccb; 2856 int error; 2857 2858 error = 0; 2859 2860 ccb = cdgetccb(periph, /* priority */ 1); 2861 2862 csio = &ccb->csio; 2863 2864 cam_fill_csio(csio, 2865 /* retries */ 1, 2866 /* cbfcnp */ cddone, 2867 /* flags */ CAM_DIR_NONE, 2868 /* tag_action */ MSG_SIMPLE_Q_TAG, 2869 /* data_ptr */ NULL, 2870 /* dxfer_len */ 0, 2871 /* sense_len */ SSD_FULL_SIZE, 2872 sizeof(struct scsi_play_track), 2873 /* timeout */ 50000); 2874 2875 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2876 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2877 2878 scsi_cmd->op_code = PLAY_TRACK; 2879 scsi_cmd->start_track = strack; 2880 scsi_cmd->start_index = sindex; 2881 scsi_cmd->end_track = etrack; 2882 scsi_cmd->end_index = eindex; 2883 2884 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2885 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2886 2887 xpt_release_ccb(ccb); 2888 2889 return(error); 2890} 2891 2892static int 2893cdpause(struct cam_periph *periph, u_int32_t go) 2894{ 2895 struct scsi_pause *scsi_cmd; 2896 struct ccb_scsiio *csio; 2897 union ccb *ccb; 2898 int error; 2899 2900 error = 0; 2901 2902 ccb = cdgetccb(periph, /* priority */ 1); 2903 2904 csio = &ccb->csio; 2905 2906 cam_fill_csio(csio, 2907 /* retries */ 1, 2908 /* cbfcnp */ cddone, 2909 /* flags */ CAM_DIR_NONE, 2910 /* tag_action */ MSG_SIMPLE_Q_TAG, 2911 /* data_ptr */ NULL, 2912 /* dxfer_len */ 0, 2913 /* sense_len */ SSD_FULL_SIZE, 2914 sizeof(struct scsi_pause), 2915 /* timeout */ 50000); 2916 2917 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 2918 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2919 2920 scsi_cmd->op_code = PAUSE; 2921 scsi_cmd->resume = go; 2922 2923 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2924 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 2925 2926 xpt_release_ccb(ccb); 2927 2928 return(error); 2929} 2930 2931static int 2932cdstartunit(struct cam_periph *periph) 2933{ 2934 union ccb *ccb; 2935 int error; 2936 2937 error = 0; 2938 2939 ccb = cdgetccb(periph, /* priority */ 1); 2940 2941 scsi_start_stop(&ccb->csio, 2942 /* retries */ 1, 2943 /* cbfcnp */ cddone, 2944 /* tag_action */ MSG_SIMPLE_Q_TAG, 2945 /* start */ TRUE, 2946 /* load_eject */ TRUE, 2947 /* immediate */ FALSE, 2948 /* sense_len */ SSD_FULL_SIZE, 2949 /* timeout */ 50000); 2950 2951 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2952 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2953 2954 xpt_release_ccb(ccb); 2955 2956 return(error); 2957} 2958 2959static int 2960cdstopunit(struct cam_periph *periph, u_int32_t eject) 2961{ 2962 union ccb *ccb; 2963 int error; 2964 2965 error = 0; 2966 2967 ccb = cdgetccb(periph, /* priority */ 1); 2968 2969 scsi_start_stop(&ccb->csio, 2970 /* retries */ 1, 2971 /* cbfcnp */ cddone, 2972 /* tag_action */ MSG_SIMPLE_Q_TAG, 2973 /* start */ FALSE, 2974 /* load_eject */ eject, 2975 /* immediate */ FALSE, 2976 /* sense_len */ SSD_FULL_SIZE, 2977 /* timeout */ 50000); 2978 2979 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2980 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2981 2982 xpt_release_ccb(ccb); 2983 2984 return(error); 2985} 2986 2987static int 2988cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 2989{ 2990 union ccb *ccb; 2991 u_int8_t *databuf; 2992 u_int32_t lba; 2993 int error; 2994 int length; 2995 2996 error = 0; 2997 databuf = NULL; 2998 lba = 0; 2999 3000 ccb = cdgetccb(periph, /* priority */ 1); 3001 3002 switch (authinfo->format) { 3003 case DVD_REPORT_AGID: 3004 length = sizeof(struct scsi_report_key_data_agid); 3005 break; 3006 case DVD_REPORT_CHALLENGE: 3007 length = sizeof(struct scsi_report_key_data_challenge); 3008 break; 3009 case DVD_REPORT_KEY1: 3010 length = sizeof(struct scsi_report_key_data_key1_key2); 3011 break; 3012 case DVD_REPORT_TITLE_KEY: 3013 length = sizeof(struct scsi_report_key_data_title); 3014 /* The lba field is only set for the title key */ 3015 lba = authinfo->lba; 3016 break; 3017 case DVD_REPORT_ASF: 3018 length = sizeof(struct scsi_report_key_data_asf); 3019 break; 3020 case DVD_REPORT_RPC: 3021 length = sizeof(struct scsi_report_key_data_rpc); 3022 break; 3023 case DVD_INVALIDATE_AGID: 3024 length = 0; 3025 break; 3026 default: 3027 error = EINVAL; 3028 goto bailout; 3029 break; /* NOTREACHED */ 3030 } 3031 3032 if (length != 0) { 3033 databuf = malloc(length, M_DEVBUF, M_WAITOK); 3034 bzero(databuf, length); 3035 } else 3036 databuf = NULL; 3037 3038 3039 scsi_report_key(&ccb->csio, 3040 /* retries */ 1, 3041 /* cbfcnp */ cddone, 3042 /* tag_action */ MSG_SIMPLE_Q_TAG, 3043 /* lba */ lba, 3044 /* agid */ authinfo->agid, 3045 /* key_format */ authinfo->format, 3046 /* data_ptr */ databuf, 3047 /* dxfer_len */ length, 3048 /* sense_len */ SSD_FULL_SIZE, 3049 /* timeout */ 50000); 3050 3051 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3052 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3053 3054 if (error != 0) 3055 goto bailout; 3056 3057 if (ccb->csio.resid != 0) { 3058 xpt_print_path(periph->path); 3059 printf("warning, residual for report key command is %d\n", 3060 ccb->csio.resid); 3061 } 3062 3063 switch(authinfo->format) { 3064 case DVD_REPORT_AGID: { 3065 struct scsi_report_key_data_agid *agid_data; 3066 3067 agid_data = (struct scsi_report_key_data_agid *)databuf; 3068 3069 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3070 RKD_AGID_SHIFT; 3071 break; 3072 } 3073 case DVD_REPORT_CHALLENGE: { 3074 struct scsi_report_key_data_challenge *chal_data; 3075 3076 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3077 3078 bcopy(chal_data->challenge_key, authinfo->keychal, 3079 min(sizeof(chal_data->challenge_key), 3080 sizeof(authinfo->keychal))); 3081 break; 3082 } 3083 case DVD_REPORT_KEY1: { 3084 struct scsi_report_key_data_key1_key2 *key1_data; 3085 3086 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3087 3088 bcopy(key1_data->key1, authinfo->keychal, 3089 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3090 break; 3091 } 3092 case DVD_REPORT_TITLE_KEY: { 3093 struct scsi_report_key_data_title *title_data; 3094 3095 title_data = (struct scsi_report_key_data_title *)databuf; 3096 3097 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3098 RKD_TITLE_CPM_SHIFT; 3099 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3100 RKD_TITLE_CP_SEC_SHIFT; 3101 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3102 RKD_TITLE_CMGS_SHIFT; 3103 bcopy(title_data->title_key, authinfo->keychal, 3104 min(sizeof(title_data->title_key), 3105 sizeof(authinfo->keychal))); 3106 break; 3107 } 3108 case DVD_REPORT_ASF: { 3109 struct scsi_report_key_data_asf *asf_data; 3110 3111 asf_data = (struct scsi_report_key_data_asf *)databuf; 3112 3113 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3114 break; 3115 } 3116 case DVD_REPORT_RPC: { 3117 struct scsi_report_key_data_rpc *rpc_data; 3118 3119 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3120 3121 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3122 RKD_RPC_TYPE_SHIFT; 3123 authinfo->vend_rsts = 3124 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3125 RKD_RPC_VENDOR_RESET_SHIFT; 3126 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3127 break; 3128 } 3129 case DVD_INVALIDATE_AGID: 3130 break; 3131 default: 3132 /* This should be impossible, since we checked above */ 3133 error = EINVAL; 3134 goto bailout; 3135 break; /* NOTREACHED */ 3136 } 3137bailout: 3138 if (databuf != NULL) 3139 free(databuf, M_DEVBUF); 3140 3141 xpt_release_ccb(ccb); 3142 3143 return(error); 3144} 3145 3146static int 3147cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3148{ 3149 union ccb *ccb; 3150 u_int8_t *databuf; 3151 int length; 3152 int error; 3153 3154 error = 0; 3155 databuf = NULL; 3156 3157 ccb = cdgetccb(periph, /* priority */ 1); 3158 3159 switch(authinfo->format) { 3160 case DVD_SEND_CHALLENGE: { 3161 struct scsi_report_key_data_challenge *challenge_data; 3162 3163 length = sizeof(*challenge_data); 3164 3165 challenge_data = malloc(length, M_DEVBUF, M_WAITOK); 3166 3167 databuf = (u_int8_t *)challenge_data; 3168 3169 bzero(databuf, length); 3170 3171 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3172 challenge_data->data_len); 3173 3174 bcopy(authinfo->keychal, challenge_data->challenge_key, 3175 min(sizeof(authinfo->keychal), 3176 sizeof(challenge_data->challenge_key))); 3177 break; 3178 } 3179 case DVD_SEND_KEY2: { 3180 struct scsi_report_key_data_key1_key2 *key2_data; 3181 3182 length = sizeof(*key2_data); 3183 3184 key2_data = malloc(length, M_DEVBUF, M_WAITOK); 3185 3186 databuf = (u_int8_t *)key2_data; 3187 3188 bzero(databuf, length); 3189 3190 scsi_ulto2b(length - sizeof(key2_data->data_len), 3191 key2_data->data_len); 3192 3193 bcopy(authinfo->keychal, key2_data->key1, 3194 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3195 3196 break; 3197 } 3198 case DVD_SEND_RPC: { 3199 struct scsi_send_key_data_rpc *rpc_data; 3200 3201 length = sizeof(*rpc_data); 3202 3203 rpc_data = malloc(length, M_DEVBUF, M_WAITOK); 3204 3205 databuf = (u_int8_t *)rpc_data; 3206 3207 bzero(databuf, length); 3208 3209 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3210 rpc_data->data_len); 3211 3212 /* 3213 * XXX KDM is this the right field from authinfo to use? 3214 */ 3215 rpc_data->region_code = authinfo->region; 3216 break; 3217 } 3218 default: 3219 error = EINVAL; 3220 goto bailout; 3221 break; /* NOTREACHED */ 3222 } 3223 3224 scsi_send_key(&ccb->csio, 3225 /* retries */ 1, 3226 /* cbfcnp */ cddone, 3227 /* tag_action */ MSG_SIMPLE_Q_TAG, 3228 /* agid */ authinfo->agid, 3229 /* key_format */ authinfo->format, 3230 /* data_ptr */ databuf, 3231 /* dxfer_len */ length, 3232 /* sense_len */ SSD_FULL_SIZE, 3233 /* timeout */ 50000); 3234 3235 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3236 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3237 3238bailout: 3239 3240 if (databuf != NULL) 3241 free(databuf, M_DEVBUF); 3242 3243 xpt_release_ccb(ccb); 3244 3245 return(error); 3246} 3247 3248static int 3249cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3250{ 3251 union ccb *ccb; 3252 u_int8_t *databuf; 3253 u_int32_t address; 3254 int error; 3255 int length; 3256 3257 error = 0; 3258 databuf = NULL; 3259 /* The address is reserved for many of the formats */ 3260 address = 0; 3261 3262 ccb = cdgetccb(periph, /* priority */ 1); 3263 3264 switch(dvdstruct->format) { 3265 case DVD_STRUCT_PHYSICAL: 3266 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3267 break; 3268 case DVD_STRUCT_COPYRIGHT: 3269 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3270 break; 3271 case DVD_STRUCT_DISCKEY: 3272 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3273 break; 3274 case DVD_STRUCT_BCA: 3275 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3276 break; 3277 case DVD_STRUCT_MANUFACT: 3278 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3279 break; 3280 case DVD_STRUCT_CMI: 3281 error = ENODEV; 3282 goto bailout; 3283#ifdef notyet 3284 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3285 address = dvdstruct->address; 3286#endif 3287 break; /* NOTREACHED */ 3288 case DVD_STRUCT_PROTDISCID: 3289 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3290 break; 3291 case DVD_STRUCT_DISCKEYBLOCK: 3292 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3293 break; 3294 case DVD_STRUCT_DDS: 3295 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3296 break; 3297 case DVD_STRUCT_MEDIUM_STAT: 3298 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3299 break; 3300 case DVD_STRUCT_SPARE_AREA: 3301 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3302 break; 3303 case DVD_STRUCT_RMD_LAST: 3304 error = ENODEV; 3305 goto bailout; 3306#ifdef notyet 3307 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3308 address = dvdstruct->address; 3309#endif 3310 break; /* NOTREACHED */ 3311 case DVD_STRUCT_RMD_RMA: 3312 error = ENODEV; 3313 goto bailout; 3314#ifdef notyet 3315 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3316 address = dvdstruct->address; 3317#endif 3318 break; /* NOTREACHED */ 3319 case DVD_STRUCT_PRERECORDED: 3320 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3321 break; 3322 case DVD_STRUCT_UNIQUEID: 3323 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3324 break; 3325 case DVD_STRUCT_DCB: 3326 error = ENODEV; 3327 goto bailout; 3328#ifdef notyet 3329 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3330 address = dvdstruct->address; 3331#endif 3332 break; /* NOTREACHED */ 3333 case DVD_STRUCT_LIST: 3334 /* 3335 * This is the maximum allocation length for the READ DVD 3336 * STRUCTURE command. There's nothing in the MMC3 spec 3337 * that indicates a limit in the amount of data that can 3338 * be returned from this call, other than the limits 3339 * imposed by the 2-byte length variables. 3340 */ 3341 length = 65535; 3342 break; 3343 default: 3344 error = EINVAL; 3345 goto bailout; 3346 break; /* NOTREACHED */ 3347 } 3348 3349 if (length != 0) { 3350 databuf = malloc(length, M_DEVBUF, M_WAITOK); 3351 bzero(databuf, length); 3352 } else 3353 databuf = NULL; 3354 3355 scsi_read_dvd_structure(&ccb->csio, 3356 /* retries */ 1, 3357 /* cbfcnp */ cddone, 3358 /* tag_action */ MSG_SIMPLE_Q_TAG, 3359 /* lba */ address, 3360 /* layer_number */ dvdstruct->layer_num, 3361 /* key_format */ dvdstruct->format, 3362 /* agid */ dvdstruct->agid, 3363 /* data_ptr */ databuf, 3364 /* dxfer_len */ length, 3365 /* sense_len */ SSD_FULL_SIZE, 3366 /* timeout */ 50000); 3367 3368 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3369 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3370 3371 if (error != 0) 3372 goto bailout; 3373 3374 switch(dvdstruct->format) { 3375 case DVD_STRUCT_PHYSICAL: { 3376 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3377 struct dvd_layer *outlayer; 3378 struct scsi_read_dvd_struct_data_physical *phys_data; 3379 3380 phys_data = 3381 (struct scsi_read_dvd_struct_data_physical *)databuf; 3382 inlayer = &phys_data->layer_desc; 3383 outlayer = (struct dvd_layer *)&dvdstruct->data; 3384 3385 dvdstruct->length = sizeof(*inlayer); 3386 3387 outlayer->book_type = (inlayer->book_type_version & 3388 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3389 outlayer->book_version = (inlayer->book_type_version & 3390 RDSD_BOOK_VERSION_MASK); 3391 outlayer->disc_size = (inlayer->disc_size_max_rate & 3392 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3393 outlayer->max_rate = (inlayer->disc_size_max_rate & 3394 RDSD_MAX_RATE_MASK); 3395 outlayer->nlayers = (inlayer->layer_info & 3396 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3397 outlayer->track_path = (inlayer->layer_info & 3398 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3399 outlayer->layer_type = (inlayer->layer_info & 3400 RDSD_LAYER_TYPE_MASK); 3401 outlayer->linear_density = (inlayer->density & 3402 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3403 outlayer->track_density = (inlayer->density & 3404 RDSD_TRACK_DENSITY_MASK); 3405 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3406 RDSD_BCA_SHIFT; 3407 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3408 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3409 outlayer->end_sector_l0 = 3410 scsi_3btoul(inlayer->end_sector_layer0); 3411 break; 3412 } 3413 case DVD_STRUCT_COPYRIGHT: { 3414 struct scsi_read_dvd_struct_data_copyright *copy_data; 3415 3416 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3417 databuf; 3418 3419 dvdstruct->cpst = copy_data->cps_type; 3420 dvdstruct->rmi = copy_data->region_info; 3421 dvdstruct->length = 0; 3422 3423 break; 3424 } 3425 default: 3426 /* 3427 * Tell the user what the overall length is, no matter 3428 * what we can actually fit in the data buffer. 3429 */ 3430 dvdstruct->length = length - ccb->csio.resid - 3431 sizeof(struct scsi_read_dvd_struct_data_header); 3432 3433 /* 3434 * But only actually copy out the smaller of what we read 3435 * in or what the structure can take. 3436 */ 3437 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3438 dvdstruct->data, 3439 min(sizeof(dvdstruct->data), dvdstruct->length)); 3440 break; 3441 } 3442bailout: 3443 3444 if (databuf != NULL) 3445 free(databuf, M_DEVBUF); 3446 3447 xpt_release_ccb(ccb); 3448 3449 return(error); 3450} 3451 3452void 3453scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3454 void (*cbfcnp)(struct cam_periph *, union ccb *), 3455 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3456 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3457 u_int8_t sense_len, u_int32_t timeout) 3458{ 3459 struct scsi_report_key *scsi_cmd; 3460 3461 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3462 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3463 scsi_cmd->opcode = REPORT_KEY; 3464 scsi_ulto4b(lba, scsi_cmd->lba); 3465 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3466 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3467 (key_format & RK_KF_KEYFORMAT_MASK); 3468 3469 cam_fill_csio(csio, 3470 retries, 3471 cbfcnp, 3472 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3473 tag_action, 3474 /*data_ptr*/ data_ptr, 3475 /*dxfer_len*/ dxfer_len, 3476 sense_len, 3477 sizeof(*scsi_cmd), 3478 timeout); 3479} 3480 3481void 3482scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3483 void (*cbfcnp)(struct cam_periph *, union ccb *), 3484 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3485 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3486 u_int32_t timeout) 3487{ 3488 struct scsi_send_key *scsi_cmd; 3489 3490 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3491 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3492 scsi_cmd->opcode = SEND_KEY; 3493 3494 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3495 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3496 (key_format & RK_KF_KEYFORMAT_MASK); 3497 3498 cam_fill_csio(csio, 3499 retries, 3500 cbfcnp, 3501 /*flags*/ CAM_DIR_OUT, 3502 tag_action, 3503 /*data_ptr*/ data_ptr, 3504 /*dxfer_len*/ dxfer_len, 3505 sense_len, 3506 sizeof(*scsi_cmd), 3507 timeout); 3508} 3509 3510 3511void 3512scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3513 void (*cbfcnp)(struct cam_periph *, union ccb *), 3514 u_int8_t tag_action, u_int32_t address, 3515 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3516 u_int8_t *data_ptr, u_int32_t dxfer_len, 3517 u_int8_t sense_len, u_int32_t timeout) 3518{ 3519 struct scsi_read_dvd_structure *scsi_cmd; 3520 3521 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3522 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3523 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3524 3525 scsi_ulto4b(address, scsi_cmd->address); 3526 scsi_cmd->layer_number = layer_number; 3527 scsi_cmd->format = format; 3528 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3529 /* The AGID is the top two bits of this byte */ 3530 scsi_cmd->agid = agid << 6; 3531 3532 cam_fill_csio(csio, 3533 retries, 3534 cbfcnp, 3535 /*flags*/ CAM_DIR_IN, 3536 tag_action, 3537 /*data_ptr*/ data_ptr, 3538 /*dxfer_len*/ dxfer_len, 3539 sense_len, 3540 sizeof(*scsi_cmd), 3541 timeout); 3542} 3543