scsi_cd.c revision 72119
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/cam/scsi/scsi_cd.c 72119 2001-02-07 07:05:59Z peter $ 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 cdfirsttrackisdata(struct cam_periph *periph); 211static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 212 u_int32_t start, struct cd_toc_entry *data, 213 u_int32_t len); 214static int cdgetmode(struct cam_periph *periph, 215 struct cd_mode_data *data, u_int32_t page); 216static int cdsetmode(struct cam_periph *periph, 217 struct cd_mode_data *data); 218static int cdplay(struct cam_periph *periph, u_int32_t blk, 219 u_int32_t len); 220static int cdreadsubchannel(struct cam_periph *periph, 221 u_int32_t mode, u_int32_t format, 222 int track, 223 struct cd_sub_channel_info *data, 224 u_int32_t len); 225static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 226 u_int32_t starts, u_int32_t startf, 227 u_int32_t endm, u_int32_t ends, 228 u_int32_t endf); 229static int cdplaytracks(struct cam_periph *periph, 230 u_int32_t strack, u_int32_t sindex, 231 u_int32_t etrack, u_int32_t eindex); 232static int cdpause(struct cam_periph *periph, u_int32_t go); 233static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 234static int cdstartunit(struct cam_periph *periph); 235static int cdreportkey(struct cam_periph *periph, 236 struct dvd_authinfo *authinfo); 237static int cdsendkey(struct cam_periph *periph, 238 struct dvd_authinfo *authinfo); 239static int cdreaddvdstructure(struct cam_periph *periph, 240 struct dvd_struct *dvdstruct); 241 242static struct periph_driver cddriver = 243{ 244 cdinit, "cd", 245 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 246}; 247 248PERIPHDRIVER_DECLARE(cd, cddriver); 249 250/* For 2.2-stable support */ 251#ifndef D_DISK 252#define D_DISK 0 253#endif 254static struct cdevsw cd_cdevsw = { 255 /* open */ cdopen, 256 /* close */ cdclose, 257 /* read */ physread, 258 /* write */ physwrite, 259 /* ioctl */ cdioctl, 260 /* poll */ nopoll, 261 /* mmap */ nommap, 262 /* strategy */ cdstrategy, 263 /* name */ "cd", 264 /* maj */ CD_CDEV_MAJOR, 265 /* dump */ nodump, 266 /* psize */ nopsize, 267 /* flags */ D_DISK, 268 /* bmaj */ CD_BDEV_MAJOR 269}; 270static struct cdevsw cddisk_cdevsw; 271 272static struct extend_array *cdperiphs; 273static int num_changers; 274 275#ifndef CHANGER_MIN_BUSY_SECONDS 276#define CHANGER_MIN_BUSY_SECONDS 5 277#endif 278#ifndef CHANGER_MAX_BUSY_SECONDS 279#define CHANGER_MAX_BUSY_SECONDS 15 280#endif 281 282static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 283static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 284 285/* 286 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 287 * variables. 288 */ 289SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 290SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 291SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 292SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 293 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 294SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 295 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 296 297struct cdchanger { 298 path_id_t path_id; 299 target_id_t target_id; 300 int num_devices; 301 struct camq devq; 302 struct timeval start_time; 303 struct cd_softc *cur_device; 304 struct callout_handle short_handle; 305 struct callout_handle long_handle; 306 volatile cd_changer_flags flags; 307 STAILQ_ENTRY(cdchanger) changer_links; 308 STAILQ_HEAD(chdevlist, cd_softc) chluns; 309}; 310 311static STAILQ_HEAD(changerlist, cdchanger) changerq; 312 313void 314cdinit(void) 315{ 316 cam_status status; 317 struct cam_path *path; 318 319 /* 320 * Create our extend array for storing the devices we attach to. 321 */ 322 cdperiphs = cam_extend_new(); 323 if (cdperiphs == NULL) { 324 printf("cd: Failed to alloc extend array!\n"); 325 return; 326 } 327 328 /* 329 * Install a global async callback. This callback will 330 * receive async callbacks like "new device found". 331 */ 332 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 333 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 334 335 if (status == CAM_REQ_CMP) { 336 struct ccb_setasync csa; 337 338 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 339 csa.ccb_h.func_code = XPT_SASYNC_CB; 340 csa.event_enable = AC_FOUND_DEVICE; 341 csa.callback = cdasync; 342 csa.callback_arg = NULL; 343 xpt_action((union ccb *)&csa); 344 status = csa.ccb_h.status; 345 xpt_free_path(path); 346 } 347 348 if (status != CAM_REQ_CMP) { 349 printf("cd: Failed to attach master async callback " 350 "due to status 0x%x!\n", status); 351 } 352} 353 354static void 355cdoninvalidate(struct cam_periph *periph) 356{ 357 int s; 358 struct cd_softc *softc; 359 struct bio *q_bp; 360 struct ccb_setasync csa; 361 362 softc = (struct cd_softc *)periph->softc; 363 364 /* 365 * De-register any async callbacks. 366 */ 367 xpt_setup_ccb(&csa.ccb_h, periph->path, 368 /* priority */ 5); 369 csa.ccb_h.func_code = XPT_SASYNC_CB; 370 csa.event_enable = 0; 371 csa.callback = cdasync; 372 csa.callback_arg = periph; 373 xpt_action((union ccb *)&csa); 374 375 softc->flags |= CD_FLAG_INVALID; 376 377 /* 378 * Although the oninvalidate() routines are always called at 379 * splsoftcam, we need to be at splbio() here to keep the buffer 380 * queue from being modified while we traverse it. 381 */ 382 s = splbio(); 383 384 /* 385 * Return all queued I/O with ENXIO. 386 * XXX Handle any transactions queued to the card 387 * with XPT_ABORT_CCB. 388 */ 389 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 390 bioq_remove(&softc->bio_queue, q_bp); 391 q_bp->bio_resid = q_bp->bio_bcount; 392 q_bp->bio_error = ENXIO; 393 q_bp->bio_flags |= BIO_ERROR; 394 biodone(q_bp); 395 } 396 splx(s); 397 398 /* 399 * If this device is part of a changer, and it was scheduled 400 * to run, remove it from the run queue since we just nuked 401 * all of its scheduled I/O. 402 */ 403 if ((softc->flags & CD_FLAG_CHANGER) 404 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 405 camq_remove(&softc->changer->devq, softc->pinfo.index); 406 407 xpt_print_path(periph->path); 408 printf("lost device\n"); 409} 410 411static void 412cdcleanup(struct cam_periph *periph) 413{ 414 struct cd_softc *softc; 415 int s; 416 417 softc = (struct cd_softc *)periph->softc; 418 419 xpt_print_path(periph->path); 420 printf("removing device entry\n"); 421 422 s = splsoftcam(); 423 /* 424 * In the queued, non-active case, the device in question 425 * has already been removed from the changer run queue. Since this 426 * device is active, we need to de-activate it, and schedule 427 * another device to run. (if there is another one to run) 428 */ 429 if ((softc->flags & CD_FLAG_CHANGER) 430 && (softc->flags & CD_FLAG_ACTIVE)) { 431 432 /* 433 * The purpose of the short timeout is soley to determine 434 * whether the current device has finished or not. Well, 435 * since we're removing the active device, we know that it 436 * is finished. So, get rid of the short timeout. 437 * Otherwise, if we're in the time period before the short 438 * timeout fires, and there are no other devices in the 439 * queue to run, there won't be any other device put in the 440 * active slot. i.e., when we call cdrunchangerqueue() 441 * below, it won't do anything. Then, when the short 442 * timeout fires, it'll look at the "current device", which 443 * we are free below, and possibly panic the kernel on a 444 * bogus pointer reference. 445 * 446 * The long timeout doesn't really matter, since we 447 * decrement the qfrozen_cnt to indicate that there is 448 * nothing in the active slot now. Therefore, there won't 449 * be any bogus pointer references there. 450 */ 451 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 452 untimeout(cdshorttimeout, softc->changer, 453 softc->changer->short_handle); 454 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 455 } 456 softc->changer->devq.qfrozen_cnt--; 457 softc->changer->flags |= CHANGER_MANUAL_CALL; 458 cdrunchangerqueue(softc->changer); 459 } 460 461 /* 462 * If we're removing the last device on the changer, go ahead and 463 * remove the changer device structure. 464 */ 465 if ((softc->flags & CD_FLAG_CHANGER) 466 && (--softc->changer->num_devices == 0)) { 467 468 /* 469 * Theoretically, there shouldn't be any timeouts left, but 470 * I'm not completely sure that that will be the case. So, 471 * it won't hurt to check and see if there are any left. 472 */ 473 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 474 untimeout(cdrunchangerqueue, softc->changer, 475 softc->changer->long_handle); 476 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 477 } 478 479 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 480 untimeout(cdshorttimeout, softc->changer, 481 softc->changer->short_handle); 482 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 483 } 484 485 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 486 changer_links); 487 xpt_print_path(periph->path); 488 printf("removing changer entry\n"); 489 free(softc->changer, M_DEVBUF); 490 num_changers--; 491 } 492 devstat_remove_entry(&softc->device_stats); 493 cam_extend_release(cdperiphs, periph->unit_number); 494 free(softc, M_DEVBUF); 495 splx(s); 496} 497 498static void 499cdasync(void *callback_arg, u_int32_t code, 500 struct cam_path *path, void *arg) 501{ 502 struct cam_periph *periph; 503 504 periph = (struct cam_periph *)callback_arg; 505 switch (code) { 506 case AC_FOUND_DEVICE: 507 { 508 struct ccb_getdev *cgd; 509 cam_status status; 510 511 cgd = (struct ccb_getdev *)arg; 512 513 if (SID_TYPE(&cgd->inq_data) != T_CDROM 514 && SID_TYPE(&cgd->inq_data) != T_WORM) 515 break; 516 517 /* 518 * Allocate a peripheral instance for 519 * this device and start the probe 520 * process. 521 */ 522 status = cam_periph_alloc(cdregister, cdoninvalidate, 523 cdcleanup, cdstart, 524 "cd", CAM_PERIPH_BIO, 525 cgd->ccb_h.path, cdasync, 526 AC_FOUND_DEVICE, cgd); 527 528 if (status != CAM_REQ_CMP 529 && status != CAM_REQ_INPROG) 530 printf("cdasync: Unable to attach new device " 531 "due to status 0x%x\n", status); 532 533 break; 534 } 535 case AC_SENT_BDR: 536 case AC_BUS_RESET: 537 { 538 struct cd_softc *softc; 539 struct ccb_hdr *ccbh; 540 int s; 541 542 softc = (struct cd_softc *)periph->softc; 543 s = splsoftcam(); 544 /* 545 * Don't fail on the expected unit attention 546 * that will occur. 547 */ 548 softc->flags |= CD_FLAG_RETRY_UA; 549 LIST_FOREACH(ccbh, &softc->pending_ccbs, 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_ONESLICE | DSO_COMPATLABEL, 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 xpt_free_path(path); 731 } else if (status == CAM_REQ_CMP) 732 xpt_free_path(path); 733 else { 734 printf("cdregister: unable to allocate path\n" 735 "cdregister: changer support may be " 736 "broken\n"); 737 } 738 739 nchanger->num_devices++; 740 741 softc->changer = nchanger; 742 softc->pinfo.index = CAM_UNQUEUED_INDEX; 743 744 if (camq_resize(&nchanger->devq, 745 nchanger->num_devices) != CAM_REQ_CMP) { 746 printf("cdregister: camq_resize " 747 "failed, changer support may " 748 "be messed up\n"); 749 } 750 751 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 752 } 753 /* 754 * In this case, we don't already have an entry for this 755 * particular changer, so we need to create one, add it to 756 * the queue, and queue this device on the list for this 757 * changer. Before we queue this device, however, we need 758 * to search for lun id 0 on this target, and add it to the 759 * queue first, if it exists. (and if it hasn't already 760 * been marked as part of the changer.) 761 */ 762 else { 763 nchanger = malloc(sizeof(struct cdchanger), 764 M_DEVBUF, M_NOWAIT); 765 766 if (nchanger == NULL) { 767 softc->flags &= ~CD_FLAG_CHANGER; 768 printf("cdregister: unable to malloc " 769 "changer structure\ncdregister: " 770 "changer support disabled\n"); 771 772 /* 773 * Yes, gotos can be gross but in this case 774 * I think it's justified.. 775 */ 776 goto cdregisterexit; 777 } 778 779 /* zero the structure */ 780 bzero(nchanger, sizeof(struct cdchanger)); 781 782 if (camq_init(&nchanger->devq, 1) != 0) { 783 softc->flags &= ~CD_FLAG_CHANGER; 784 printf("cdregister: changer support " 785 "disabled\n"); 786 goto cdregisterexit; 787 } 788 789 num_changers++; 790 791 nchanger->path_id = cgd->ccb_h.path_id; 792 nchanger->target_id = cgd->ccb_h.target_id; 793 794 /* this is superfluous, but it makes things clearer */ 795 nchanger->num_devices = 0; 796 797 STAILQ_INIT(&nchanger->chluns); 798 799 STAILQ_INSERT_TAIL(&changerq, nchanger, 800 changer_links); 801 802 /* 803 * Create a path with lun id 0, and see if we can 804 * find a matching device 805 */ 806 status = xpt_create_path(&path, /*periph*/ periph, 807 cgd->ccb_h.path_id, 808 cgd->ccb_h.target_id, 0); 809 810 /* 811 * If we were able to allocate the path, and if we 812 * find a matching device and it isn't already 813 * marked as part of a changer, then we add it to 814 * the current changer. 815 */ 816 if ((status == CAM_REQ_CMP) 817 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 818 && ((((struct cd_softc *)periph->softc)->flags & 819 CD_FLAG_CHANGER) == 0)) { 820 struct cd_softc *nsoftc; 821 822 nsoftc = (struct cd_softc *)nperiph->softc; 823 824 nsoftc->flags |= CD_FLAG_CHANGER; 825 nchanger->num_devices++; 826 if (camq_resize(&nchanger->devq, 827 nchanger->num_devices) != CAM_REQ_CMP) { 828 printf("cdregister: camq_resize " 829 "failed, changer support may " 830 "be messed up\n"); 831 } 832 nsoftc->changer = nchanger; 833 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 834 835 STAILQ_INSERT_TAIL(&nchanger->chluns, 836 nsoftc, changer_links); 837 xpt_free_path(path); 838 } else if (status == CAM_REQ_CMP) 839 xpt_free_path(path); 840 else { 841 printf("cdregister: unable to allocate path\n" 842 "cdregister: changer support may be " 843 "broken\n"); 844 } 845 846 softc->changer = nchanger; 847 softc->pinfo.index = CAM_UNQUEUED_INDEX; 848 nchanger->num_devices++; 849 if (camq_resize(&nchanger->devq, 850 nchanger->num_devices) != CAM_REQ_CMP) { 851 printf("cdregister: camq_resize " 852 "failed, changer support may " 853 "be messed up\n"); 854 } 855 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 856 changer_links); 857 } 858 } 859 860cdregisterexit: 861 862 /* Lock this peripheral until we are setup */ 863 /* Can't block */ 864 cam_periph_lock(periph, PRIBIO); 865 866 if ((softc->flags & CD_FLAG_CHANGER) == 0) 867 xpt_schedule(periph, /*priority*/5); 868 else 869 cdschedule(periph, /*priority*/ 5); 870 871 return(CAM_REQ_CMP); 872} 873 874static int 875cdopen(dev_t dev, int flags, int fmt, struct proc *p) 876{ 877 struct disklabel *label; 878 struct cam_periph *periph; 879 struct cd_softc *softc; 880 struct ccb_getdev cgd; 881 u_int32_t size; 882 int unit, error; 883 int s; 884 885 unit = dkunit(dev); 886 periph = cam_extend_get(cdperiphs, unit); 887 888 if (periph == NULL) 889 return (ENXIO); 890 891 softc = (struct cd_softc *)periph->softc; 892 893 /* 894 * Grab splsoftcam and hold it until we lock the peripheral. 895 */ 896 s = splsoftcam(); 897 if (softc->flags & CD_FLAG_INVALID) { 898 splx(s); 899 return(ENXIO); 900 } 901 902 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 903 splx(s); 904 return (error); 905 } 906 907 splx(s); 908 909 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 910 return(ENXIO); 911 912 cdprevent(periph, PR_PREVENT); 913 914 /* find out the size */ 915 if ((error = cdsize(dev, &size)) != 0) { 916 cdprevent(periph, PR_ALLOW); 917 cam_periph_unlock(periph); 918 cam_periph_release(periph); 919 return(error); 920 } 921 922 /* 923 * If we get a non-zero return, revert back to not reading the 924 * label off the disk. The first track is likely audio, which 925 * won't have a disklabel. 926 */ 927 if ((error = cdfirsttrackisdata(periph)) != 0) { 928 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 929 softc->disk.d_dsflags |= DSO_NOLABELS; 930 error = 0; 931 } 932 933 /* 934 * Build prototype label for whole disk. 935 * Should take information about different data tracks from the 936 * TOC and put it in the partition table. 937 */ 938 label = &softc->disk.d_label; 939 bzero(label, sizeof(*label)); 940 label->d_type = DTYPE_SCSI; 941 942 /* 943 * Grab the inquiry data to get the vendor and product names. 944 * Put them in the typename and packname for the label. 945 */ 946 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 947 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 948 xpt_action((union ccb *)&cgd); 949 950 strncpy(label->d_typename, cgd.inq_data.vendor, 951 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 952 strncpy(label->d_packname, cgd.inq_data.product, 953 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 954 955 label->d_secsize = softc->params.blksize; 956 label->d_secperunit = softc->params.disksize; 957 label->d_flags = D_REMOVABLE; 958 /* 959 * Make partition 'a' cover the whole disk. This is a temporary 960 * compatibility hack. The 'a' partition should not exist, so 961 * the slice code won't create it. The slice code will make 962 * partition (RAW_PART + 'a') cover the whole disk and fill in 963 * some more defaults. 964 */ 965 label->d_partitions[0].p_size = label->d_secperunit; 966 label->d_partitions[0].p_fstype = FS_OTHER; 967 968 /* 969 * We unconditionally (re)set the blocksize each time the 970 * CD device is opened. This is because the CD can change, 971 * and therefore the blocksize might change. 972 * XXX problems here if some slice or partition is still 973 * open with the old size? 974 */ 975 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 976 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 977 softc->device_stats.block_size = softc->params.blksize; 978 979 cam_periph_unlock(periph); 980 981 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 982 983 return (error); 984} 985 986static int 987cdclose(dev_t dev, int flag, int fmt, struct proc *p) 988{ 989 struct cam_periph *periph; 990 struct cd_softc *softc; 991 int unit, error; 992 993 unit = dkunit(dev); 994 periph = cam_extend_get(cdperiphs, unit); 995 if (periph == NULL) 996 return (ENXIO); 997 998 softc = (struct cd_softc *)periph->softc; 999 1000 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1001 return (error); 1002 1003 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1004 cdprevent(periph, PR_ALLOW); 1005 1006 /* 1007 * Unconditionally set the dsopen() flags back to their default 1008 * state. 1009 */ 1010 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1011 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1012 1013 /* 1014 * Since we're closing this CD, mark the blocksize as unavailable. 1015 * It will be marked as available whence the CD is opened again. 1016 */ 1017 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1018 1019 cam_periph_unlock(periph); 1020 cam_periph_release(periph); 1021 1022 return (0); 1023} 1024 1025static void 1026cdshorttimeout(void *arg) 1027{ 1028 struct cdchanger *changer; 1029 int s; 1030 1031 s = splsoftcam(); 1032 1033 changer = (struct cdchanger *)arg; 1034 1035 /* Always clear the short timeout flag, since that's what we're in */ 1036 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1037 1038 /* 1039 * Check to see if there is any more pending or outstanding I/O for 1040 * this device. If not, move it out of the active slot. 1041 */ 1042 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1043 && (changer->cur_device->device_stats.busy_count == 0)) { 1044 changer->flags |= CHANGER_MANUAL_CALL; 1045 cdrunchangerqueue(changer); 1046 } 1047 1048 splx(s); 1049} 1050 1051/* 1052 * This is a wrapper for xpt_schedule. It only applies to changers. 1053 */ 1054static void 1055cdschedule(struct cam_periph *periph, int priority) 1056{ 1057 struct cd_softc *softc; 1058 int s; 1059 1060 s = splsoftcam(); 1061 1062 softc = (struct cd_softc *)periph->softc; 1063 1064 /* 1065 * If this device isn't currently queued, and if it isn't 1066 * the active device, then we queue this device and run the 1067 * changer queue if there is no timeout scheduled to do it. 1068 * If this device is the active device, just schedule it 1069 * to run again. If this device is queued, there should be 1070 * a timeout in place already that will make sure it runs. 1071 */ 1072 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1073 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1074 /* 1075 * We don't do anything with the priority here. 1076 * This is strictly a fifo queue. 1077 */ 1078 softc->pinfo.priority = 1; 1079 softc->pinfo.generation = ++softc->changer->devq.generation; 1080 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1081 1082 /* 1083 * Since we just put a device in the changer queue, 1084 * check and see if there is a timeout scheduled for 1085 * this changer. If so, let the timeout handle 1086 * switching this device into the active slot. If 1087 * not, manually call the timeout routine to 1088 * bootstrap things. 1089 */ 1090 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1091 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1092 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1093 softc->changer->flags |= CHANGER_MANUAL_CALL; 1094 cdrunchangerqueue(softc->changer); 1095 } 1096 } else if ((softc->flags & CD_FLAG_ACTIVE) 1097 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1098 xpt_schedule(periph, priority); 1099 1100 splx(s); 1101 1102} 1103 1104static void 1105cdrunchangerqueue(void *arg) 1106{ 1107 struct cd_softc *softc; 1108 struct cdchanger *changer; 1109 int called_from_timeout; 1110 int s; 1111 1112 s = splsoftcam(); 1113 1114 changer = (struct cdchanger *)arg; 1115 1116 /* 1117 * If we have NOT been called from cdstrategy() or cddone(), and 1118 * instead from a timeout routine, go ahead and clear the 1119 * timeout flag. 1120 */ 1121 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1122 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1123 called_from_timeout = 1; 1124 } else 1125 called_from_timeout = 0; 1126 1127 /* Always clear the manual call flag */ 1128 changer->flags &= ~CHANGER_MANUAL_CALL; 1129 1130 /* nothing to do if the queue is empty */ 1131 if (changer->devq.entries <= 0) { 1132 splx(s); 1133 return; 1134 } 1135 1136 /* 1137 * If the changer queue is frozen, that means we have an active 1138 * device. 1139 */ 1140 if (changer->devq.qfrozen_cnt > 0) { 1141 1142 if (changer->cur_device->device_stats.busy_count > 0) { 1143 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1144 changer->cur_device->bufs_left = 1145 changer->cur_device->device_stats.busy_count; 1146 if (called_from_timeout) { 1147 changer->long_handle = 1148 timeout(cdrunchangerqueue, changer, 1149 changer_max_busy_seconds * hz); 1150 changer->flags |= CHANGER_TIMEOUT_SCHED; 1151 } 1152 splx(s); 1153 return; 1154 } 1155 1156 /* 1157 * We always need to reset the frozen count and clear the 1158 * active flag. 1159 */ 1160 changer->devq.qfrozen_cnt--; 1161 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1162 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1163 1164 /* 1165 * Check to see whether the current device has any I/O left 1166 * to do. If so, requeue it at the end of the queue. If 1167 * not, there is no need to requeue it. 1168 */ 1169 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1170 1171 changer->cur_device->pinfo.generation = 1172 ++changer->devq.generation; 1173 camq_insert(&changer->devq, 1174 (cam_pinfo *)changer->cur_device); 1175 } 1176 } 1177 1178 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1179 1180 changer->cur_device = softc; 1181 1182 changer->devq.qfrozen_cnt++; 1183 softc->flags |= CD_FLAG_ACTIVE; 1184 1185 /* Just in case this device is waiting */ 1186 wakeup(&softc->changer); 1187 xpt_schedule(softc->periph, /*priority*/ 1); 1188 1189 /* 1190 * Get rid of any pending timeouts, and set a flag to schedule new 1191 * ones so this device gets its full time quantum. 1192 */ 1193 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1194 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1195 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1196 } 1197 1198 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1199 untimeout(cdshorttimeout, changer, changer->short_handle); 1200 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1201 } 1202 1203 /* 1204 * We need to schedule timeouts, but we only do this after the 1205 * first transaction has completed. This eliminates the changer 1206 * switch time. 1207 */ 1208 changer->flags |= CHANGER_NEED_TIMEOUT; 1209 1210 splx(s); 1211} 1212 1213static void 1214cdchangerschedule(struct cd_softc *softc) 1215{ 1216 struct cdchanger *changer; 1217 int s; 1218 1219 s = splsoftcam(); 1220 1221 changer = softc->changer; 1222 1223 /* 1224 * If this is a changer, and this is the current device, 1225 * and this device has at least the minimum time quantum to 1226 * run, see if we can switch it out. 1227 */ 1228 if ((softc->flags & CD_FLAG_ACTIVE) 1229 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1230 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1231 /* 1232 * We try three things here. The first is that we 1233 * check to see whether the schedule on completion 1234 * flag is set. If it is, we decrement the number 1235 * of buffers left, and if it's zero, we reschedule. 1236 * Next, we check to see whether the pending buffer 1237 * queue is empty and whether there are no 1238 * outstanding transactions. If so, we reschedule. 1239 * Next, we see if the pending buffer queue is empty. 1240 * If it is, we set the number of buffers left to 1241 * the current active buffer count and set the 1242 * schedule on complete flag. 1243 */ 1244 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1245 if (--softc->bufs_left == 0) { 1246 softc->changer->flags |= 1247 CHANGER_MANUAL_CALL; 1248 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1249 cdrunchangerqueue(softc->changer); 1250 } 1251 } else if ((bioq_first(&softc->bio_queue) == NULL) 1252 && (softc->device_stats.busy_count == 0)) { 1253 softc->changer->flags |= CHANGER_MANUAL_CALL; 1254 cdrunchangerqueue(softc->changer); 1255 } 1256 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1257 && (softc->flags & CD_FLAG_ACTIVE)) { 1258 1259 /* 1260 * Now that the first transaction to this 1261 * particular device has completed, we can go ahead 1262 * and schedule our timeouts. 1263 */ 1264 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1265 changer->long_handle = 1266 timeout(cdrunchangerqueue, changer, 1267 changer_max_busy_seconds * hz); 1268 changer->flags |= CHANGER_TIMEOUT_SCHED; 1269 } else 1270 printf("cdchangerschedule: already have a long" 1271 " timeout!\n"); 1272 1273 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1274 changer->short_handle = 1275 timeout(cdshorttimeout, changer, 1276 changer_min_busy_seconds * hz); 1277 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1278 } else 1279 printf("cdchangerschedule: already have a short " 1280 "timeout!\n"); 1281 1282 /* 1283 * We just scheduled timeouts, no need to schedule 1284 * more. 1285 */ 1286 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1287 1288 } 1289 splx(s); 1290} 1291 1292static int 1293cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1294 u_int32_t cam_flags, 1295 u_int32_t sense_flags), 1296 u_int32_t cam_flags, u_int32_t sense_flags) 1297{ 1298 struct cd_softc *softc; 1299 struct cam_periph *periph; 1300 int error; 1301 1302 periph = xpt_path_periph(ccb->ccb_h.path); 1303 softc = (struct cd_softc *)periph->softc; 1304 1305 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1306 &softc->device_stats); 1307 1308 if (softc->flags & CD_FLAG_CHANGER) 1309 cdchangerschedule(softc); 1310 1311 return(error); 1312} 1313 1314static union ccb * 1315cdgetccb(struct cam_periph *periph, u_int32_t priority) 1316{ 1317 struct cd_softc *softc; 1318 int s; 1319 1320 softc = (struct cd_softc *)periph->softc; 1321 1322 if (softc->flags & CD_FLAG_CHANGER) { 1323 1324 s = splsoftcam(); 1325 1326 /* 1327 * This should work the first time this device is woken up, 1328 * but just in case it doesn't, we use a while loop. 1329 */ 1330 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1331 /* 1332 * If this changer isn't already queued, queue it up. 1333 */ 1334 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1335 softc->pinfo.priority = 1; 1336 softc->pinfo.generation = 1337 ++softc->changer->devq.generation; 1338 camq_insert(&softc->changer->devq, 1339 (cam_pinfo *)softc); 1340 } 1341 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1342 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1343 && ((softc->changer->flags 1344 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1345 softc->changer->flags |= CHANGER_MANUAL_CALL; 1346 cdrunchangerqueue(softc->changer); 1347 } else 1348 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1349 } 1350 splx(s); 1351 } 1352 return(cam_periph_getccb(periph, priority)); 1353} 1354 1355 1356/* 1357 * Actually translate the requested transfer into one the physical driver 1358 * can understand. The transfer is described by a buf and will include 1359 * only one physical transfer. 1360 */ 1361static void 1362cdstrategy(struct bio *bp) 1363{ 1364 struct cam_periph *periph; 1365 struct cd_softc *softc; 1366 u_int unit, part; 1367 int s; 1368 1369 unit = dkunit(bp->bio_dev); 1370 part = dkpart(bp->bio_dev); 1371 periph = cam_extend_get(cdperiphs, unit); 1372 if (periph == NULL) { 1373 bp->bio_error = ENXIO; 1374 goto bad; 1375 } 1376 1377 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1378 1379 softc = (struct cd_softc *)periph->softc; 1380 1381 /* 1382 * Mask interrupts so that the pack cannot be invalidated until 1383 * after we are in the queue. Otherwise, we might not properly 1384 * clean up one of the buffers. 1385 */ 1386 s = splbio(); 1387 1388 /* 1389 * If the device has been made invalid, error out 1390 */ 1391 if ((softc->flags & CD_FLAG_INVALID)) { 1392 splx(s); 1393 bp->bio_error = ENXIO; 1394 goto bad; 1395 } 1396 1397 /* 1398 * Place it in the queue of disk activities for this disk 1399 */ 1400 bioqdisksort(&softc->bio_queue, bp); 1401 1402 splx(s); 1403 1404 /* 1405 * Schedule ourselves for performing the work. We do things 1406 * differently for changers. 1407 */ 1408 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1409 xpt_schedule(periph, /* XXX priority */1); 1410 else 1411 cdschedule(periph, /* priority */ 1); 1412 1413 return; 1414bad: 1415 bp->bio_flags |= BIO_ERROR; 1416 /* 1417 * Correctly set the buf to indicate a completed xfer 1418 */ 1419 bp->bio_resid = bp->bio_bcount; 1420 biodone(bp); 1421 return; 1422} 1423 1424static void 1425cdstart(struct cam_periph *periph, union ccb *start_ccb) 1426{ 1427 struct cd_softc *softc; 1428 struct bio *bp; 1429 struct ccb_scsiio *csio; 1430 struct scsi_read_capacity_data *rcap; 1431 int s; 1432 1433 softc = (struct cd_softc *)periph->softc; 1434 1435 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1436 1437 switch (softc->state) { 1438 case CD_STATE_NORMAL: 1439 { 1440 int oldspl; 1441 1442 s = splbio(); 1443 bp = bioq_first(&softc->bio_queue); 1444 if (periph->immediate_priority <= periph->pinfo.priority) { 1445 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1446 1447 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1448 periph_links.sle); 1449 periph->immediate_priority = CAM_PRIORITY_NONE; 1450 splx(s); 1451 wakeup(&periph->ccb_list); 1452 } else if (bp == NULL) { 1453 splx(s); 1454 xpt_release_ccb(start_ccb); 1455 } else { 1456 bioq_remove(&softc->bio_queue, bp); 1457 1458 devstat_start_transaction(&softc->device_stats); 1459 1460 scsi_read_write(&start_ccb->csio, 1461 /*retries*/4, 1462 /* cbfcnp */ cddone, 1463 (bp->bio_flags & BIO_ORDERED) != 0 ? 1464 MSG_ORDERED_Q_TAG : 1465 MSG_SIMPLE_Q_TAG, 1466 /* read */bp->bio_cmd == BIO_READ, 1467 /* byte2 */ 0, 1468 /* minimum_cmd_size */ 10, 1469 /* lba */ bp->bio_pblkno, 1470 bp->bio_bcount / softc->params.blksize, 1471 /* data_ptr */ bp->bio_data, 1472 /* dxfer_len */ bp->bio_bcount, 1473 /* sense_len */ SSD_FULL_SIZE, 1474 /* timeout */ 30000); 1475 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1476 1477 1478 /* 1479 * Block out any asyncronous callbacks 1480 * while we touch the pending ccb list. 1481 */ 1482 oldspl = splcam(); 1483 LIST_INSERT_HEAD(&softc->pending_ccbs, 1484 &start_ccb->ccb_h, periph_links.le); 1485 splx(oldspl); 1486 1487 /* We expect a unit attention from this device */ 1488 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1489 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1490 softc->flags &= ~CD_FLAG_RETRY_UA; 1491 } 1492 1493 start_ccb->ccb_h.ccb_bp = bp; 1494 bp = bioq_first(&softc->bio_queue); 1495 splx(s); 1496 1497 xpt_action(start_ccb); 1498 } 1499 if (bp != NULL) { 1500 /* Have more work to do, so ensure we stay scheduled */ 1501 xpt_schedule(periph, /* XXX priority */1); 1502 } 1503 break; 1504 } 1505 case CD_STATE_PROBE: 1506 { 1507 1508 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1509 M_TEMP, 1510 M_NOWAIT); 1511 if (rcap == NULL) { 1512 xpt_print_path(periph->path); 1513 printf("cdstart: Couldn't malloc read_capacity data\n"); 1514 /* cd_free_periph??? */ 1515 break; 1516 } 1517 csio = &start_ccb->csio; 1518 scsi_read_capacity(csio, 1519 /*retries*/1, 1520 cddone, 1521 MSG_SIMPLE_Q_TAG, 1522 rcap, 1523 SSD_FULL_SIZE, 1524 /*timeout*/20000); 1525 start_ccb->ccb_h.ccb_bp = NULL; 1526 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1527 xpt_action(start_ccb); 1528 break; 1529 } 1530 } 1531} 1532 1533static void 1534cddone(struct cam_periph *periph, union ccb *done_ccb) 1535{ 1536 struct cd_softc *softc; 1537 struct ccb_scsiio *csio; 1538 1539 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1540 1541 softc = (struct cd_softc *)periph->softc; 1542 csio = &done_ccb->csio; 1543 1544 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1545 case CD_CCB_BUFFER_IO: 1546 { 1547 struct bio *bp; 1548 int error; 1549 int oldspl; 1550 1551 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1552 error = 0; 1553 1554 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1555 int sf; 1556 1557 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1558 sf = SF_RETRY_UA; 1559 else 1560 sf = 0; 1561 1562 /* Retry selection timeouts */ 1563 sf |= SF_RETRY_SELTO; 1564 1565 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1566 /* 1567 * A retry was scheuled, so 1568 * just return. 1569 */ 1570 return; 1571 } 1572 } 1573 1574 if (error != 0) { 1575 int s; 1576 struct bio *q_bp; 1577 1578 xpt_print_path(periph->path); 1579 printf("cddone: got error %#x back\n", error); 1580 s = splbio(); 1581 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1582 bioq_remove(&softc->bio_queue, q_bp); 1583 q_bp->bio_resid = q_bp->bio_bcount; 1584 q_bp->bio_error = EIO; 1585 q_bp->bio_flags |= BIO_ERROR; 1586 biodone(q_bp); 1587 } 1588 splx(s); 1589 bp->bio_resid = bp->bio_bcount; 1590 bp->bio_error = error; 1591 bp->bio_flags |= BIO_ERROR; 1592 cam_release_devq(done_ccb->ccb_h.path, 1593 /*relsim_flags*/0, 1594 /*reduction*/0, 1595 /*timeout*/0, 1596 /*getcount_only*/0); 1597 1598 } else { 1599 bp->bio_resid = csio->resid; 1600 bp->bio_error = 0; 1601 if (bp->bio_resid != 0) { 1602 /* Short transfer ??? */ 1603 bp->bio_flags |= BIO_ERROR; 1604 } 1605 } 1606 1607 /* 1608 * Block out any asyncronous callbacks 1609 * while we touch the pending ccb list. 1610 */ 1611 oldspl = splcam(); 1612 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1613 splx(oldspl); 1614 1615 if (softc->flags & CD_FLAG_CHANGER) 1616 cdchangerschedule(softc); 1617 1618 devstat_end_transaction_bio(&softc->device_stats, bp); 1619 biodone(bp); 1620 break; 1621 } 1622 case CD_CCB_PROBE: 1623 { 1624 struct scsi_read_capacity_data *rdcap; 1625 char announce_buf[120]; /* 1626 * Currently (9/30/97) the 1627 * longest possible announce 1628 * buffer is 108 bytes, for the 1629 * first error case below. 1630 * That is 39 bytes for the 1631 * basic string, 16 bytes for the 1632 * biggest sense key (hardware 1633 * error), 52 bytes for the 1634 * text of the largest sense 1635 * qualifier valid for a CDROM, 1636 * (0x72, 0x03 or 0x04, 1637 * 0x03), and one byte for the 1638 * null terminating character. 1639 * To allow for longer strings, 1640 * the announce buffer is 120 1641 * bytes. 1642 */ 1643 struct cd_params *cdp; 1644 1645 cdp = &softc->params; 1646 1647 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1648 1649 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1650 cdp->blksize = scsi_4btoul (rdcap->length); 1651 1652 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1653 1654 snprintf(announce_buf, sizeof(announce_buf), 1655 "cd present [%lu x %lu byte records]", 1656 cdp->disksize, (u_long)cdp->blksize); 1657 1658 } else { 1659 int error; 1660 /* 1661 * Retry any UNIT ATTENTION type errors. They 1662 * are expected at boot. 1663 */ 1664 error = cderror(done_ccb, 0, SF_RETRY_UA | 1665 SF_NO_PRINT | SF_RETRY_SELTO); 1666 if (error == ERESTART) { 1667 /* 1668 * A retry was scheuled, so 1669 * just return. 1670 */ 1671 return; 1672 } else if (error != 0) { 1673 1674 struct scsi_sense_data *sense; 1675 int asc, ascq; 1676 int sense_key, error_code; 1677 int have_sense; 1678 cam_status status; 1679 struct ccb_getdev cgd; 1680 1681 /* Don't wedge this device's queue */ 1682 cam_release_devq(done_ccb->ccb_h.path, 1683 /*relsim_flags*/0, 1684 /*reduction*/0, 1685 /*timeout*/0, 1686 /*getcount_only*/0); 1687 1688 status = done_ccb->ccb_h.status; 1689 1690 xpt_setup_ccb(&cgd.ccb_h, 1691 done_ccb->ccb_h.path, 1692 /* priority */ 1); 1693 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1694 xpt_action((union ccb *)&cgd); 1695 1696 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1697 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1698 || ((status & CAM_AUTOSNS_VALID) == 0)) 1699 have_sense = FALSE; 1700 else 1701 have_sense = TRUE; 1702 1703 if (have_sense) { 1704 sense = &csio->sense_data; 1705 scsi_extract_sense(sense, &error_code, 1706 &sense_key, 1707 &asc, &ascq); 1708 } 1709 /* 1710 * Attach to anything that claims to be a 1711 * CDROM or WORM device, as long as it 1712 * doesn't return a "Logical unit not 1713 * supported" (0x25) error. 1714 */ 1715 if ((have_sense) && (asc != 0x25) 1716 && (error_code == SSD_CURRENT_ERROR)) 1717 snprintf(announce_buf, 1718 sizeof(announce_buf), 1719 "Attempt to query device " 1720 "size failed: %s, %s", 1721 scsi_sense_key_text[sense_key], 1722 scsi_sense_desc(asc,ascq, 1723 &cgd.inq_data)); 1724 else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1725 /* 1726 * We only print out an error for 1727 * CDROM type devices. For WORM 1728 * devices, we don't print out an 1729 * error since a few WORM devices 1730 * don't support CDROM commands. 1731 * If we have sense information, go 1732 * ahead and print it out. 1733 * Otherwise, just say that we 1734 * couldn't attach. 1735 */ 1736 1737 /* 1738 * Just print out the error, not 1739 * the full probe message, when we 1740 * don't attach. 1741 */ 1742 if (have_sense) 1743 scsi_sense_print( 1744 &done_ccb->csio); 1745 else { 1746 xpt_print_path(periph->path); 1747 printf("got CAM status %#x\n", 1748 done_ccb->ccb_h.status); 1749 } 1750 xpt_print_path(periph->path); 1751 printf("fatal error, failed" 1752 " to attach to device\n"); 1753 1754 /* 1755 * Invalidate this peripheral. 1756 */ 1757 cam_periph_invalidate(periph); 1758 1759 announce_buf[0] = '\0'; 1760 } else { 1761 1762 /* 1763 * Invalidate this peripheral. 1764 */ 1765 cam_periph_invalidate(periph); 1766 announce_buf[0] = '\0'; 1767 } 1768 } 1769 } 1770 free(rdcap, M_TEMP); 1771 if (announce_buf[0] != '\0') { 1772 xpt_announce_periph(periph, announce_buf); 1773 if (softc->flags & CD_FLAG_CHANGER) 1774 cdchangerschedule(softc); 1775 } 1776 softc->state = CD_STATE_NORMAL; 1777 /* 1778 * Since our peripheral may be invalidated by an error 1779 * above or an external event, we must release our CCB 1780 * before releasing the probe lock on the peripheral. 1781 * The peripheral will only go away once the last lock 1782 * is removed, and we need it around for the CCB release 1783 * operation. 1784 */ 1785 xpt_release_ccb(done_ccb); 1786 cam_periph_unlock(periph); 1787 return; 1788 } 1789 case CD_CCB_WAITING: 1790 { 1791 /* Caller will release the CCB */ 1792 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1793 ("trying to wakeup ccbwait\n")); 1794 1795 wakeup(&done_ccb->ccb_h.cbfcnp); 1796 return; 1797 } 1798 default: 1799 break; 1800 } 1801 xpt_release_ccb(done_ccb); 1802} 1803 1804static int 1805cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1806{ 1807 1808 struct cam_periph *periph; 1809 struct cd_softc *softc; 1810 int error, unit; 1811 1812 unit = dkunit(dev); 1813 1814 periph = cam_extend_get(cdperiphs, unit); 1815 if (periph == NULL) 1816 return(ENXIO); 1817 1818 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1819 1820 softc = (struct cd_softc *)periph->softc; 1821 1822 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1823 ("trying to do ioctl %#lx\n", cmd)); 1824 1825 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1826 1827 if (error != 0) 1828 return(error); 1829 1830 switch (cmd) { 1831 1832 case CDIOCPLAYTRACKS: 1833 { 1834 struct ioc_play_track *args 1835 = (struct ioc_play_track *) addr; 1836 struct cd_mode_data *data; 1837 1838 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1839 M_WAITOK); 1840 1841 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1842 ("trying to do CDIOCPLAYTRACKS\n")); 1843 1844 error = cdgetmode(periph, data, AUDIO_PAGE); 1845 if (error) { 1846 free(data, M_TEMP); 1847 break; 1848 } 1849 data->page.audio.flags &= ~CD_PA_SOTC; 1850 data->page.audio.flags |= CD_PA_IMMED; 1851 error = cdsetmode(periph, data); 1852 free(data, M_TEMP); 1853 if (error) 1854 break; 1855 if (softc->quirks & CD_Q_BCD_TRACKS) { 1856 args->start_track = bin2bcd(args->start_track); 1857 args->end_track = bin2bcd(args->end_track); 1858 } 1859 error = cdplaytracks(periph, 1860 args->start_track, 1861 args->start_index, 1862 args->end_track, 1863 args->end_index); 1864 } 1865 break; 1866 case CDIOCPLAYMSF: 1867 { 1868 struct ioc_play_msf *args 1869 = (struct ioc_play_msf *) addr; 1870 struct cd_mode_data *data; 1871 1872 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1873 M_WAITOK); 1874 1875 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1876 ("trying to do CDIOCPLAYMSF\n")); 1877 1878 error = cdgetmode(periph, data, AUDIO_PAGE); 1879 if (error) { 1880 free(data, M_TEMP); 1881 break; 1882 } 1883 data->page.audio.flags &= ~CD_PA_SOTC; 1884 data->page.audio.flags |= CD_PA_IMMED; 1885 error = cdsetmode(periph, data); 1886 free(data, M_TEMP); 1887 if (error) 1888 break; 1889 error = cdplaymsf(periph, 1890 args->start_m, 1891 args->start_s, 1892 args->start_f, 1893 args->end_m, 1894 args->end_s, 1895 args->end_f); 1896 } 1897 break; 1898 case CDIOCPLAYBLOCKS: 1899 { 1900 struct ioc_play_blocks *args 1901 = (struct ioc_play_blocks *) addr; 1902 struct cd_mode_data *data; 1903 1904 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1905 ("trying to do CDIOCPLAYBLOCKS\n")); 1906 1907 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1908 M_WAITOK); 1909 1910 error = cdgetmode(periph, data, AUDIO_PAGE); 1911 if (error) { 1912 free(data, M_TEMP); 1913 break; 1914 } 1915 data->page.audio.flags &= ~CD_PA_SOTC; 1916 data->page.audio.flags |= CD_PA_IMMED; 1917 error = cdsetmode(periph, data); 1918 free(data, M_TEMP); 1919 if (error) 1920 break; 1921 error = cdplay(periph, args->blk, args->len); 1922 } 1923 break; 1924 case CDIOCREADSUBCHANNEL: 1925 { 1926 struct ioc_read_subchannel *args 1927 = (struct ioc_read_subchannel *) addr; 1928 struct cd_sub_channel_info *data; 1929 u_int32_t len = args->data_len; 1930 1931 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1932 ("trying to do CDIOCREADSUBCHANNEL\n")); 1933 1934 data = malloc(sizeof(struct cd_sub_channel_info), 1935 M_TEMP, M_WAITOK); 1936 1937 if ((len > sizeof(struct cd_sub_channel_info)) || 1938 (len < sizeof(struct cd_sub_channel_header))) { 1939 printf( 1940 "scsi_cd: cdioctl: " 1941 "cdioreadsubchannel: error, len=%d\n", 1942 len); 1943 error = EINVAL; 1944 free(data, M_TEMP); 1945 break; 1946 } 1947 1948 if (softc->quirks & CD_Q_BCD_TRACKS) 1949 args->track = bin2bcd(args->track); 1950 1951 error = cdreadsubchannel(periph, args->address_format, 1952 args->data_format, args->track, data, len); 1953 1954 if (error) { 1955 free(data, M_TEMP); 1956 break; 1957 } 1958 if (softc->quirks & CD_Q_BCD_TRACKS) 1959 data->what.track_info.track_number = 1960 bcd2bin(data->what.track_info.track_number); 1961 len = min(len, ((data->header.data_len[0] << 8) + 1962 data->header.data_len[1] + 1963 sizeof(struct cd_sub_channel_header))); 1964 if (copyout(data, args->data, len) != 0) { 1965 error = EFAULT; 1966 } 1967 free(data, M_TEMP); 1968 } 1969 break; 1970 1971 case CDIOREADTOCHEADER: 1972 { 1973 struct ioc_toc_header *th; 1974 1975 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1976 ("trying to do CDIOREADTOCHEADER\n")); 1977 1978 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1979 M_WAITOK); 1980 error = cdreadtoc(periph, 0, 0, 1981 (struct cd_toc_entry *)th, 1982 sizeof (*th)); 1983 if (error) { 1984 free(th, M_TEMP); 1985 break; 1986 } 1987 if (softc->quirks & CD_Q_BCD_TRACKS) { 1988 /* we are going to have to convert the BCD 1989 * encoding on the cd to what is expected 1990 */ 1991 th->starting_track = 1992 bcd2bin(th->starting_track); 1993 th->ending_track = bcd2bin(th->ending_track); 1994 } 1995 NTOHS(th->len); 1996 bcopy(th, addr, sizeof(*th)); 1997 free(th, M_TEMP); 1998 } 1999 break; 2000 case CDIOREADTOCENTRYS: 2001 { 2002 typedef struct { 2003 struct ioc_toc_header header; 2004 struct cd_toc_entry entries[100]; 2005 } data_t; 2006 typedef struct { 2007 struct ioc_toc_header header; 2008 struct cd_toc_entry entry; 2009 } lead_t; 2010 2011 data_t *data; 2012 lead_t *lead; 2013 struct ioc_read_toc_entry *te = 2014 (struct ioc_read_toc_entry *) addr; 2015 struct ioc_toc_header *th; 2016 u_int32_t len, readlen, idx, num; 2017 u_int32_t starting_track = te->starting_track; 2018 2019 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2020 ("trying to do CDIOREADTOCENTRYS\n")); 2021 2022 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2023 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2024 2025 if (te->data_len < sizeof(struct cd_toc_entry) 2026 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2027 || (te->address_format != CD_MSF_FORMAT 2028 && te->address_format != CD_LBA_FORMAT)) { 2029 error = EINVAL; 2030 printf("scsi_cd: error in readtocentries, " 2031 "returning EINVAL\n"); 2032 free(data, M_TEMP); 2033 free(lead, M_TEMP); 2034 break; 2035 } 2036 2037 th = &data->header; 2038 error = cdreadtoc(periph, 0, 0, 2039 (struct cd_toc_entry *)th, 2040 sizeof (*th)); 2041 if (error) { 2042 free(data, M_TEMP); 2043 free(lead, M_TEMP); 2044 break; 2045 } 2046 2047 if (softc->quirks & CD_Q_BCD_TRACKS) { 2048 /* we are going to have to convert the BCD 2049 * encoding on the cd to what is expected 2050 */ 2051 th->starting_track = 2052 bcd2bin(th->starting_track); 2053 th->ending_track = bcd2bin(th->ending_track); 2054 } 2055 2056 if (starting_track == 0) 2057 starting_track = th->starting_track; 2058 else if (starting_track == LEADOUT) 2059 starting_track = th->ending_track + 1; 2060 else if (starting_track < th->starting_track || 2061 starting_track > th->ending_track + 1) { 2062 printf("scsi_cd: error in readtocentries, " 2063 "returning EINVAL\n"); 2064 free(data, M_TEMP); 2065 free(lead, M_TEMP); 2066 error = EINVAL; 2067 break; 2068 } 2069 2070 /* calculate reading length without leadout entry */ 2071 readlen = (th->ending_track - starting_track + 1) * 2072 sizeof(struct cd_toc_entry); 2073 2074 /* and with leadout entry */ 2075 len = readlen + sizeof(struct cd_toc_entry); 2076 if (te->data_len < len) { 2077 len = te->data_len; 2078 if (readlen > len) 2079 readlen = len; 2080 } 2081 if (len > sizeof(data->entries)) { 2082 printf("scsi_cd: error in readtocentries, " 2083 "returning EINVAL\n"); 2084 error = EINVAL; 2085 free(data, M_TEMP); 2086 free(lead, M_TEMP); 2087 break; 2088 } 2089 num = len / sizeof(struct cd_toc_entry); 2090 2091 if (readlen > 0) { 2092 error = cdreadtoc(periph, te->address_format, 2093 starting_track, 2094 (struct cd_toc_entry *)data, 2095 readlen + sizeof (*th)); 2096 if (error) { 2097 free(data, M_TEMP); 2098 free(lead, M_TEMP); 2099 break; 2100 } 2101 } 2102 2103 /* make leadout entry if needed */ 2104 idx = starting_track + num - 1; 2105 if (softc->quirks & CD_Q_BCD_TRACKS) 2106 th->ending_track = bcd2bin(th->ending_track); 2107 if (idx == th->ending_track + 1) { 2108 error = cdreadtoc(periph, te->address_format, 2109 LEADOUT, 2110 (struct cd_toc_entry *)lead, 2111 sizeof(*lead)); 2112 if (error) { 2113 free(data, M_TEMP); 2114 free(lead, M_TEMP); 2115 break; 2116 } 2117 data->entries[idx - starting_track] = 2118 lead->entry; 2119 } 2120 if (softc->quirks & CD_Q_BCD_TRACKS) { 2121 for (idx = 0; idx < num - 1; idx++) { 2122 data->entries[idx].track = 2123 bcd2bin(data->entries[idx].track); 2124 } 2125 } 2126 2127 error = copyout(data->entries, te->data, len); 2128 free(data, M_TEMP); 2129 free(lead, M_TEMP); 2130 } 2131 break; 2132 case CDIOREADTOCENTRY: 2133 { 2134 /* yeah yeah, this is ugly */ 2135 typedef struct { 2136 struct ioc_toc_header header; 2137 struct cd_toc_entry entry; 2138 } data_t; 2139 2140 data_t *data; 2141 struct ioc_read_toc_single_entry *te = 2142 (struct ioc_read_toc_single_entry *) addr; 2143 struct ioc_toc_header *th; 2144 u_int32_t track; 2145 2146 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2147 ("trying to do CDIOREADTOCENTRY\n")); 2148 2149 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2150 2151 if (te->address_format != CD_MSF_FORMAT 2152 && te->address_format != CD_LBA_FORMAT) { 2153 printf("error in readtocentry, " 2154 " returning EINVAL\n"); 2155 free(data, M_TEMP); 2156 error = EINVAL; 2157 break; 2158 } 2159 2160 th = &data->header; 2161 error = cdreadtoc(periph, 0, 0, 2162 (struct cd_toc_entry *)th, 2163 sizeof (*th)); 2164 if (error) { 2165 free(data, M_TEMP); 2166 break; 2167 } 2168 2169 if (softc->quirks & CD_Q_BCD_TRACKS) { 2170 /* we are going to have to convert the BCD 2171 * encoding on the cd to what is expected 2172 */ 2173 th->starting_track = 2174 bcd2bin(th->starting_track); 2175 th->ending_track = bcd2bin(th->ending_track); 2176 } 2177 track = te->track; 2178 if (track == 0) 2179 track = th->starting_track; 2180 else if (track == LEADOUT) 2181 /* OK */; 2182 else if (track < th->starting_track || 2183 track > th->ending_track + 1) { 2184 printf("error in readtocentry, " 2185 " returning EINVAL\n"); 2186 free(data, M_TEMP); 2187 error = EINVAL; 2188 break; 2189 } 2190 2191 error = cdreadtoc(periph, te->address_format, track, 2192 (struct cd_toc_entry *)data, 2193 sizeof(data_t)); 2194 if (error) { 2195 free(data, M_TEMP); 2196 break; 2197 } 2198 2199 if (softc->quirks & CD_Q_BCD_TRACKS) 2200 data->entry.track = bcd2bin(data->entry.track); 2201 bcopy(&data->entry, &te->entry, 2202 sizeof(struct cd_toc_entry)); 2203 free(data, M_TEMP); 2204 } 2205 break; 2206 case CDIOCSETPATCH: 2207 { 2208 struct ioc_patch *arg = (struct ioc_patch *) addr; 2209 struct cd_mode_data *data; 2210 2211 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2212 ("trying to do CDIOCSETPATCH\n")); 2213 2214 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2215 M_WAITOK); 2216 error = cdgetmode(periph, data, AUDIO_PAGE); 2217 if (error) { 2218 free(data, M_TEMP); 2219 break; 2220 } 2221 data->page.audio.port[LEFT_PORT].channels = 2222 arg->patch[0]; 2223 data->page.audio.port[RIGHT_PORT].channels = 2224 arg->patch[1]; 2225 data->page.audio.port[2].channels = arg->patch[2]; 2226 data->page.audio.port[3].channels = arg->patch[3]; 2227 error = cdsetmode(periph, data); 2228 free(data, M_TEMP); 2229 } 2230 break; 2231 case CDIOCGETVOL: 2232 { 2233 struct ioc_vol *arg = (struct ioc_vol *) addr; 2234 struct cd_mode_data *data; 2235 2236 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2237 ("trying to do CDIOCGETVOL\n")); 2238 2239 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2240 M_WAITOK); 2241 error = cdgetmode(periph, data, AUDIO_PAGE); 2242 if (error) { 2243 free(data, M_TEMP); 2244 break; 2245 } 2246 arg->vol[LEFT_PORT] = 2247 data->page.audio.port[LEFT_PORT].volume; 2248 arg->vol[RIGHT_PORT] = 2249 data->page.audio.port[RIGHT_PORT].volume; 2250 arg->vol[2] = data->page.audio.port[2].volume; 2251 arg->vol[3] = data->page.audio.port[3].volume; 2252 free(data, M_TEMP); 2253 } 2254 break; 2255 case CDIOCSETVOL: 2256 { 2257 struct ioc_vol *arg = (struct ioc_vol *) addr; 2258 struct cd_mode_data *data; 2259 2260 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2261 ("trying to do CDIOCSETVOL\n")); 2262 2263 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2264 M_WAITOK); 2265 error = cdgetmode(periph, data, AUDIO_PAGE); 2266 if (error) { 2267 free(data, M_TEMP); 2268 break; 2269 } 2270 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2271 data->page.audio.port[LEFT_PORT].volume = 2272 arg->vol[LEFT_PORT]; 2273 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2274 data->page.audio.port[RIGHT_PORT].volume = 2275 arg->vol[RIGHT_PORT]; 2276 data->page.audio.port[2].volume = arg->vol[2]; 2277 data->page.audio.port[3].volume = arg->vol[3]; 2278 error = cdsetmode(periph, data); 2279 free(data, M_TEMP); 2280 } 2281 break; 2282 case CDIOCSETMONO: 2283 { 2284 struct cd_mode_data *data; 2285 2286 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2287 ("trying to do CDIOCSETMONO\n")); 2288 2289 data = malloc(sizeof(struct cd_mode_data), 2290 M_TEMP, M_WAITOK); 2291 error = cdgetmode(periph, data, AUDIO_PAGE); 2292 if (error) { 2293 free(data, M_TEMP); 2294 break; 2295 } 2296 data->page.audio.port[LEFT_PORT].channels = 2297 LEFT_CHANNEL | RIGHT_CHANNEL; 2298 data->page.audio.port[RIGHT_PORT].channels = 2299 LEFT_CHANNEL | RIGHT_CHANNEL; 2300 data->page.audio.port[2].channels = 0; 2301 data->page.audio.port[3].channels = 0; 2302 error = cdsetmode(periph, data); 2303 free(data, M_TEMP); 2304 } 2305 break; 2306 case CDIOCSETSTEREO: 2307 { 2308 struct cd_mode_data *data; 2309 2310 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2311 ("trying to do CDIOCSETSTEREO\n")); 2312 2313 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2314 M_WAITOK); 2315 error = cdgetmode(periph, data, AUDIO_PAGE); 2316 if (error) { 2317 free(data, M_TEMP); 2318 break; 2319 } 2320 data->page.audio.port[LEFT_PORT].channels = 2321 LEFT_CHANNEL; 2322 data->page.audio.port[RIGHT_PORT].channels = 2323 RIGHT_CHANNEL; 2324 data->page.audio.port[2].channels = 0; 2325 data->page.audio.port[3].channels = 0; 2326 error = cdsetmode(periph, data); 2327 free(data, M_TEMP); 2328 } 2329 break; 2330 case CDIOCSETMUTE: 2331 { 2332 struct cd_mode_data *data; 2333 2334 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2335 ("trying to do CDIOCSETMUTE\n")); 2336 2337 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2338 M_WAITOK); 2339 error = cdgetmode(periph, data, AUDIO_PAGE); 2340 if (error) { 2341 free(data, M_TEMP); 2342 break; 2343 } 2344 data->page.audio.port[LEFT_PORT].channels = 0; 2345 data->page.audio.port[RIGHT_PORT].channels = 0; 2346 data->page.audio.port[2].channels = 0; 2347 data->page.audio.port[3].channels = 0; 2348 error = cdsetmode(periph, data); 2349 free(data, M_TEMP); 2350 } 2351 break; 2352 case CDIOCSETLEFT: 2353 { 2354 struct cd_mode_data *data; 2355 2356 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2357 ("trying to do CDIOCSETLEFT\n")); 2358 2359 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2360 M_WAITOK); 2361 error = cdgetmode(periph, data, AUDIO_PAGE); 2362 if (error) { 2363 free(data, M_TEMP); 2364 break; 2365 } 2366 data->page.audio.port[LEFT_PORT].channels = 2367 LEFT_CHANNEL; 2368 data->page.audio.port[RIGHT_PORT].channels = 2369 LEFT_CHANNEL; 2370 data->page.audio.port[2].channels = 0; 2371 data->page.audio.port[3].channels = 0; 2372 error = cdsetmode(periph, data); 2373 free(data, M_TEMP); 2374 } 2375 break; 2376 case CDIOCSETRIGHT: 2377 { 2378 struct cd_mode_data *data; 2379 2380 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2381 ("trying to do CDIOCSETRIGHT\n")); 2382 2383 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2384 M_WAITOK); 2385 error = cdgetmode(periph, data, AUDIO_PAGE); 2386 if (error) { 2387 free(data, M_TEMP); 2388 break; 2389 } 2390 data->page.audio.port[LEFT_PORT].channels = 2391 RIGHT_CHANNEL; 2392 data->page.audio.port[RIGHT_PORT].channels = 2393 RIGHT_CHANNEL; 2394 data->page.audio.port[2].channels = 0; 2395 data->page.audio.port[3].channels = 0; 2396 error = cdsetmode(periph, data); 2397 free(data, M_TEMP); 2398 } 2399 break; 2400 case CDIOCRESUME: 2401 error = cdpause(periph, 1); 2402 break; 2403 case CDIOCPAUSE: 2404 error = cdpause(periph, 0); 2405 break; 2406 case CDIOCSTART: 2407 error = cdstartunit(periph); 2408 break; 2409 case CDIOCSTOP: 2410 error = cdstopunit(periph, 0); 2411 break; 2412 case CDIOCEJECT: 2413 error = cdstopunit(periph, 1); 2414 break; 2415 case CDIOCALLOW: 2416 cdprevent(periph, PR_ALLOW); 2417 break; 2418 case CDIOCPREVENT: 2419 cdprevent(periph, PR_PREVENT); 2420 break; 2421 case CDIOCSETDEBUG: 2422 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2423 error = ENOTTY; 2424 break; 2425 case CDIOCCLRDEBUG: 2426 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2427 error = ENOTTY; 2428 break; 2429 case CDIOCRESET: 2430 /* return (cd_reset(periph)); */ 2431 error = ENOTTY; 2432 break; 2433 case DVDIOCSENDKEY: 2434 case DVDIOCREPORTKEY: { 2435 struct dvd_authinfo *authinfo; 2436 2437 authinfo = (struct dvd_authinfo *)addr; 2438 2439 if (cmd == DVDIOCREPORTKEY) 2440 error = cdreportkey(periph, authinfo); 2441 else 2442 error = cdsendkey(periph, authinfo); 2443 break; 2444 } 2445 case DVDIOCREADSTRUCTURE: { 2446 struct dvd_struct *dvdstruct; 2447 2448 dvdstruct = (struct dvd_struct *)addr; 2449 2450 error = cdreaddvdstructure(periph, dvdstruct); 2451 2452 break; 2453 } 2454 default: 2455 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2456 break; 2457 } 2458 2459 cam_periph_unlock(periph); 2460 2461 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2462 2463 return (error); 2464} 2465 2466static void 2467cdprevent(struct cam_periph *periph, int action) 2468{ 2469 union ccb *ccb; 2470 struct cd_softc *softc; 2471 int error; 2472 2473 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2474 2475 softc = (struct cd_softc *)periph->softc; 2476 2477 if (((action == PR_ALLOW) 2478 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2479 || ((action == PR_PREVENT) 2480 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2481 return; 2482 } 2483 2484 ccb = cdgetccb(periph, /* priority */ 1); 2485 2486 scsi_prevent(&ccb->csio, 2487 /*retries*/ 1, 2488 cddone, 2489 MSG_SIMPLE_Q_TAG, 2490 action, 2491 SSD_FULL_SIZE, 2492 /* timeout */60000); 2493 2494 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2495 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2496 2497 xpt_release_ccb(ccb); 2498 2499 if (error == 0) { 2500 if (action == PR_ALLOW) 2501 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2502 else 2503 softc->flags |= CD_FLAG_DISC_LOCKED; 2504 } 2505} 2506 2507static int 2508cdsize(dev_t dev, u_int32_t *size) 2509{ 2510 struct cam_periph *periph; 2511 struct cd_softc *softc; 2512 union ccb *ccb; 2513 struct scsi_read_capacity_data *rcap_buf; 2514 int error; 2515 2516 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2517 2518 if (periph == NULL) 2519 return (ENXIO); 2520 2521 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2522 2523 softc = (struct cd_softc *)periph->softc; 2524 2525 ccb = cdgetccb(periph, /* priority */ 1); 2526 2527 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2528 M_TEMP, M_WAITOK); 2529 2530 scsi_read_capacity(&ccb->csio, 2531 /*retries*/ 1, 2532 cddone, 2533 MSG_SIMPLE_Q_TAG, 2534 rcap_buf, 2535 SSD_FULL_SIZE, 2536 /* timeout */20000); 2537 2538 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2539 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2540 2541 xpt_release_ccb(ccb); 2542 2543 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2544 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2545 /* 2546 * SCSI-3 mandates that the reported blocksize shall be 2048. 2547 * Older drives sometimes report funny values, trim it down to 2548 * 2048, or other parts of the kernel will get confused. 2549 * 2550 * XXX we leave drives alone that might report 512 bytes, as 2551 * well as drives reporting more weird sizes like perhaps 4K. 2552 */ 2553 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2554 softc->params.blksize = 2048; 2555 2556 free(rcap_buf, M_TEMP); 2557 *size = softc->params.disksize; 2558 2559 return (error); 2560 2561} 2562 2563/* 2564 * The idea here is to try to figure out whether the first track is data or 2565 * audio. If it is data, we can at least attempt to read a disklabel off 2566 * the first sector of the disk. If it is audio, there won't be a 2567 * disklabel. 2568 * 2569 * This routine returns 0 if the first track is data, and non-zero if there 2570 * is an error or the first track is audio. (If either non-zero case, we 2571 * should not attempt to read the disklabel.) 2572 */ 2573static int 2574cdfirsttrackisdata(struct cam_periph *periph) 2575{ 2576 struct cdtocdata { 2577 struct ioc_toc_header header; 2578 struct cd_toc_entry entries[100]; 2579 }; 2580 struct cd_softc *softc; 2581 struct ioc_toc_header *th; 2582 struct cdtocdata *data; 2583 int num_entries, i; 2584 int error, first_track_audio; 2585 2586 error = 0; 2587 first_track_audio = -1; 2588 2589 softc = (struct cd_softc *)periph->softc; 2590 2591 data = malloc(sizeof(struct cdtocdata), M_TEMP, M_WAITOK); 2592 2593 th = &data->header; 2594 error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)data, 2595 sizeof(*data)); 2596 2597 if (error) 2598 goto bailout; 2599 2600 if (softc->quirks & CD_Q_BCD_TRACKS) { 2601 /* we are going to have to convert the BCD 2602 * encoding on the cd to what is expected 2603 */ 2604 th->starting_track = 2605 bcd2bin(th->starting_track); 2606 th->ending_track = bcd2bin(th->ending_track); 2607 } 2608 th->len = scsi_2btoul((u_int8_t *)&th->len); 2609 2610 if ((th->len - 2) > 0) 2611 num_entries = (th->len - 2) / sizeof(struct cd_toc_entry); 2612 else 2613 num_entries = 0; 2614 2615 for (i = 0; i < num_entries; i++) { 2616 if (data->entries[i].track == th->starting_track) { 2617 if (data->entries[i].control & 0x4) 2618 first_track_audio = 0; 2619 else 2620 first_track_audio = 1; 2621 break; 2622 } 2623 } 2624 2625 if (first_track_audio == -1) 2626 error = ENOENT; 2627 else if (first_track_audio == 1) 2628 error = EINVAL; 2629 else 2630 error = 0; 2631bailout: 2632 free(data, M_TEMP); 2633 2634 return(error); 2635} 2636 2637static int 2638cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2639{ 2640 struct cd_softc *softc; 2641 struct cam_periph *periph; 2642 2643 periph = xpt_path_periph(ccb->ccb_h.path); 2644 softc = (struct cd_softc *)periph->softc; 2645 2646 /* 2647 * XXX 2648 * Until we have a better way of doing pack validation, 2649 * don't treat UAs as errors. 2650 */ 2651 sense_flags |= SF_RETRY_UA; 2652 return (cam_periph_error(ccb, cam_flags, sense_flags, 2653 &softc->saved_ccb)); 2654} 2655 2656/* 2657 * Read table of contents 2658 */ 2659static int 2660cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2661 struct cd_toc_entry *data, u_int32_t len) 2662{ 2663 struct scsi_read_toc *scsi_cmd; 2664 u_int32_t ntoc; 2665 struct ccb_scsiio *csio; 2666 union ccb *ccb; 2667 int error; 2668 2669 ntoc = len; 2670 error = 0; 2671 2672 ccb = cdgetccb(periph, /* priority */ 1); 2673 2674 csio = &ccb->csio; 2675 2676 cam_fill_csio(csio, 2677 /* retries */ 1, 2678 /* cbfcnp */ cddone, 2679 /* flags */ CAM_DIR_IN, 2680 /* tag_action */ MSG_SIMPLE_Q_TAG, 2681 /* data_ptr */ (u_int8_t *)data, 2682 /* dxfer_len */ len, 2683 /* sense_len */ SSD_FULL_SIZE, 2684 sizeof(struct scsi_read_toc), 2685 /* timeout */ 50000); 2686 2687 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2688 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2689 2690 if (mode == CD_MSF_FORMAT) 2691 scsi_cmd->byte2 |= CD_MSF; 2692 scsi_cmd->from_track = start; 2693 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2694 scsi_cmd->data_len[0] = (ntoc) >> 8; 2695 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2696 2697 scsi_cmd->op_code = READ_TOC; 2698 2699 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2700 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2701 2702 xpt_release_ccb(ccb); 2703 2704 return(error); 2705} 2706 2707static int 2708cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2709 u_int32_t format, int track, 2710 struct cd_sub_channel_info *data, u_int32_t len) 2711{ 2712 struct scsi_read_subchannel *scsi_cmd; 2713 struct ccb_scsiio *csio; 2714 union ccb *ccb; 2715 int error; 2716 2717 error = 0; 2718 2719 ccb = cdgetccb(periph, /* priority */ 1); 2720 2721 csio = &ccb->csio; 2722 2723 cam_fill_csio(csio, 2724 /* retries */ 1, 2725 /* cbfcnp */ cddone, 2726 /* flags */ CAM_DIR_IN, 2727 /* tag_action */ MSG_SIMPLE_Q_TAG, 2728 /* data_ptr */ (u_int8_t *)data, 2729 /* dxfer_len */ len, 2730 /* sense_len */ SSD_FULL_SIZE, 2731 sizeof(struct scsi_read_subchannel), 2732 /* timeout */ 50000); 2733 2734 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2735 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2736 2737 scsi_cmd->op_code = READ_SUBCHANNEL; 2738 if (mode == CD_MSF_FORMAT) 2739 scsi_cmd->byte1 |= CD_MSF; 2740 scsi_cmd->byte2 = SRS_SUBQ; 2741 scsi_cmd->subchan_format = format; 2742 scsi_cmd->track = track; 2743 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2744 scsi_cmd->control = 0; 2745 2746 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2747 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2748 2749 xpt_release_ccb(ccb); 2750 2751 return(error); 2752} 2753 2754 2755static int 2756cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2757{ 2758 struct scsi_mode_sense_6 *scsi_cmd; 2759 struct ccb_scsiio *csio; 2760 union ccb *ccb; 2761 int error; 2762 2763 ccb = cdgetccb(periph, /* priority */ 1); 2764 2765 csio = &ccb->csio; 2766 2767 bzero(data, sizeof(*data)); 2768 cam_fill_csio(csio, 2769 /* retries */ 1, 2770 /* cbfcnp */ cddone, 2771 /* flags */ CAM_DIR_IN, 2772 /* tag_action */ MSG_SIMPLE_Q_TAG, 2773 /* data_ptr */ (u_int8_t *)data, 2774 /* dxfer_len */ sizeof(*data), 2775 /* sense_len */ SSD_FULL_SIZE, 2776 sizeof(struct scsi_mode_sense_6), 2777 /* timeout */ 50000); 2778 2779 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2780 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2781 2782 scsi_cmd->page = page; 2783 scsi_cmd->length = sizeof(*data) & 0xff; 2784 scsi_cmd->opcode = MODE_SENSE; 2785 2786 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2787 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 2788 2789 xpt_release_ccb(ccb); 2790 2791 return(error); 2792} 2793 2794static int 2795cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2796{ 2797 struct scsi_mode_select_6 *scsi_cmd; 2798 struct ccb_scsiio *csio; 2799 union ccb *ccb; 2800 int error; 2801 2802 ccb = cdgetccb(periph, /* priority */ 1); 2803 2804 csio = &ccb->csio; 2805 2806 error = 0; 2807 2808 cam_fill_csio(csio, 2809 /* retries */ 1, 2810 /* cbfcnp */ cddone, 2811 /* flags */ CAM_DIR_OUT, 2812 /* tag_action */ MSG_SIMPLE_Q_TAG, 2813 /* data_ptr */ (u_int8_t *)data, 2814 /* dxfer_len */ sizeof(*data), 2815 /* sense_len */ SSD_FULL_SIZE, 2816 sizeof(struct scsi_mode_select_6), 2817 /* timeout */ 50000); 2818 2819 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2820 2821 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2822 scsi_cmd->opcode = MODE_SELECT; 2823 scsi_cmd->byte2 |= SMS_PF; 2824 scsi_cmd->length = sizeof(*data) & 0xff; 2825 data->header.data_length = 0; 2826 /* 2827 * SONY drives do not allow a mode select with a medium_type 2828 * value that has just been returned by a mode sense; use a 2829 * medium_type of 0 (Default) instead. 2830 */ 2831 data->header.medium_type = 0; 2832 2833 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2834 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2835 2836 xpt_release_ccb(ccb); 2837 2838 return(error); 2839} 2840 2841 2842static int 2843cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2844{ 2845 struct ccb_scsiio *csio; 2846 union ccb *ccb; 2847 int error; 2848 u_int8_t cdb_len; 2849 2850 error = 0; 2851 ccb = cdgetccb(periph, /* priority */ 1); 2852 csio = &ccb->csio; 2853 /* 2854 * Use the smallest possible command to perform the operation. 2855 */ 2856 if ((len & 0xffff0000) == 0) { 2857 /* 2858 * We can fit in a 10 byte cdb. 2859 */ 2860 struct scsi_play_10 *scsi_cmd; 2861 2862 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2863 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2864 scsi_cmd->op_code = PLAY_10; 2865 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2866 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2867 cdb_len = sizeof(*scsi_cmd); 2868 } else { 2869 struct scsi_play_12 *scsi_cmd; 2870 2871 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2872 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2873 scsi_cmd->op_code = PLAY_12; 2874 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2875 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2876 cdb_len = sizeof(*scsi_cmd); 2877 } 2878 cam_fill_csio(csio, 2879 /*retries*/2, 2880 cddone, 2881 /*flags*/CAM_DIR_NONE, 2882 MSG_SIMPLE_Q_TAG, 2883 /*dataptr*/NULL, 2884 /*datalen*/0, 2885 /*sense_len*/SSD_FULL_SIZE, 2886 cdb_len, 2887 /*timeout*/50 * 1000); 2888 2889 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2890 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2891 2892 xpt_release_ccb(ccb); 2893 2894 return(error); 2895} 2896 2897static int 2898cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2899 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2900{ 2901 struct scsi_play_msf *scsi_cmd; 2902 struct ccb_scsiio *csio; 2903 union ccb *ccb; 2904 int error; 2905 2906 error = 0; 2907 2908 ccb = cdgetccb(periph, /* priority */ 1); 2909 2910 csio = &ccb->csio; 2911 2912 cam_fill_csio(csio, 2913 /* retries */ 1, 2914 /* cbfcnp */ cddone, 2915 /* flags */ CAM_DIR_NONE, 2916 /* tag_action */ MSG_SIMPLE_Q_TAG, 2917 /* data_ptr */ NULL, 2918 /* dxfer_len */ 0, 2919 /* sense_len */ SSD_FULL_SIZE, 2920 sizeof(struct scsi_play_msf), 2921 /* timeout */ 50000); 2922 2923 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2924 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2925 2926 scsi_cmd->op_code = PLAY_MSF; 2927 scsi_cmd->start_m = startm; 2928 scsi_cmd->start_s = starts; 2929 scsi_cmd->start_f = startf; 2930 scsi_cmd->end_m = endm; 2931 scsi_cmd->end_s = ends; 2932 scsi_cmd->end_f = endf; 2933 2934 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2935 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2936 2937 xpt_release_ccb(ccb); 2938 2939 return(error); 2940} 2941 2942 2943static int 2944cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2945 u_int32_t etrack, u_int32_t eindex) 2946{ 2947 struct scsi_play_track *scsi_cmd; 2948 struct ccb_scsiio *csio; 2949 union ccb *ccb; 2950 int error; 2951 2952 error = 0; 2953 2954 ccb = cdgetccb(periph, /* priority */ 1); 2955 2956 csio = &ccb->csio; 2957 2958 cam_fill_csio(csio, 2959 /* retries */ 1, 2960 /* cbfcnp */ cddone, 2961 /* flags */ CAM_DIR_NONE, 2962 /* tag_action */ MSG_SIMPLE_Q_TAG, 2963 /* data_ptr */ NULL, 2964 /* dxfer_len */ 0, 2965 /* sense_len */ SSD_FULL_SIZE, 2966 sizeof(struct scsi_play_track), 2967 /* timeout */ 50000); 2968 2969 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2970 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2971 2972 scsi_cmd->op_code = PLAY_TRACK; 2973 scsi_cmd->start_track = strack; 2974 scsi_cmd->start_index = sindex; 2975 scsi_cmd->end_track = etrack; 2976 scsi_cmd->end_index = eindex; 2977 2978 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2979 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 2980 2981 xpt_release_ccb(ccb); 2982 2983 return(error); 2984} 2985 2986static int 2987cdpause(struct cam_periph *periph, u_int32_t go) 2988{ 2989 struct scsi_pause *scsi_cmd; 2990 struct ccb_scsiio *csio; 2991 union ccb *ccb; 2992 int error; 2993 2994 error = 0; 2995 2996 ccb = cdgetccb(periph, /* priority */ 1); 2997 2998 csio = &ccb->csio; 2999 3000 cam_fill_csio(csio, 3001 /* retries */ 1, 3002 /* cbfcnp */ cddone, 3003 /* flags */ CAM_DIR_NONE, 3004 /* tag_action */ MSG_SIMPLE_Q_TAG, 3005 /* data_ptr */ NULL, 3006 /* dxfer_len */ 0, 3007 /* sense_len */ SSD_FULL_SIZE, 3008 sizeof(struct scsi_pause), 3009 /* timeout */ 50000); 3010 3011 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3012 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3013 3014 scsi_cmd->op_code = PAUSE; 3015 scsi_cmd->resume = go; 3016 3017 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3018 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3019 3020 xpt_release_ccb(ccb); 3021 3022 return(error); 3023} 3024 3025static int 3026cdstartunit(struct cam_periph *periph) 3027{ 3028 union ccb *ccb; 3029 int error; 3030 3031 error = 0; 3032 3033 ccb = cdgetccb(periph, /* priority */ 1); 3034 3035 scsi_start_stop(&ccb->csio, 3036 /* retries */ 1, 3037 /* cbfcnp */ cddone, 3038 /* tag_action */ MSG_SIMPLE_Q_TAG, 3039 /* start */ TRUE, 3040 /* load_eject */ FALSE, 3041 /* immediate */ FALSE, 3042 /* sense_len */ SSD_FULL_SIZE, 3043 /* timeout */ 50000); 3044 3045 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3046 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3047 3048 xpt_release_ccb(ccb); 3049 3050 return(error); 3051} 3052 3053static int 3054cdstopunit(struct cam_periph *periph, u_int32_t eject) 3055{ 3056 union ccb *ccb; 3057 int error; 3058 3059 error = 0; 3060 3061 ccb = cdgetccb(periph, /* priority */ 1); 3062 3063 scsi_start_stop(&ccb->csio, 3064 /* retries */ 1, 3065 /* cbfcnp */ cddone, 3066 /* tag_action */ MSG_SIMPLE_Q_TAG, 3067 /* start */ FALSE, 3068 /* load_eject */ eject, 3069 /* immediate */ FALSE, 3070 /* sense_len */ SSD_FULL_SIZE, 3071 /* timeout */ 50000); 3072 3073 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3074 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3075 3076 xpt_release_ccb(ccb); 3077 3078 return(error); 3079} 3080 3081static int 3082cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3083{ 3084 union ccb *ccb; 3085 u_int8_t *databuf; 3086 u_int32_t lba; 3087 int error; 3088 int length; 3089 3090 error = 0; 3091 databuf = NULL; 3092 lba = 0; 3093 3094 ccb = cdgetccb(periph, /* priority */ 1); 3095 3096 switch (authinfo->format) { 3097 case DVD_REPORT_AGID: 3098 length = sizeof(struct scsi_report_key_data_agid); 3099 break; 3100 case DVD_REPORT_CHALLENGE: 3101 length = sizeof(struct scsi_report_key_data_challenge); 3102 break; 3103 case DVD_REPORT_KEY1: 3104 length = sizeof(struct scsi_report_key_data_key1_key2); 3105 break; 3106 case DVD_REPORT_TITLE_KEY: 3107 length = sizeof(struct scsi_report_key_data_title); 3108 /* The lba field is only set for the title key */ 3109 lba = authinfo->lba; 3110 break; 3111 case DVD_REPORT_ASF: 3112 length = sizeof(struct scsi_report_key_data_asf); 3113 break; 3114 case DVD_REPORT_RPC: 3115 length = sizeof(struct scsi_report_key_data_rpc); 3116 break; 3117 case DVD_INVALIDATE_AGID: 3118 length = 0; 3119 break; 3120 default: 3121 error = EINVAL; 3122 goto bailout; 3123 break; /* NOTREACHED */ 3124 } 3125 3126 if (length != 0) { 3127 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3128 } else 3129 databuf = NULL; 3130 3131 3132 scsi_report_key(&ccb->csio, 3133 /* retries */ 1, 3134 /* cbfcnp */ cddone, 3135 /* tag_action */ MSG_SIMPLE_Q_TAG, 3136 /* lba */ lba, 3137 /* agid */ authinfo->agid, 3138 /* key_format */ authinfo->format, 3139 /* data_ptr */ databuf, 3140 /* dxfer_len */ length, 3141 /* sense_len */ SSD_FULL_SIZE, 3142 /* timeout */ 50000); 3143 3144 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3145 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3146 3147 if (error != 0) 3148 goto bailout; 3149 3150 if (ccb->csio.resid != 0) { 3151 xpt_print_path(periph->path); 3152 printf("warning, residual for report key command is %d\n", 3153 ccb->csio.resid); 3154 } 3155 3156 switch(authinfo->format) { 3157 case DVD_REPORT_AGID: { 3158 struct scsi_report_key_data_agid *agid_data; 3159 3160 agid_data = (struct scsi_report_key_data_agid *)databuf; 3161 3162 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3163 RKD_AGID_SHIFT; 3164 break; 3165 } 3166 case DVD_REPORT_CHALLENGE: { 3167 struct scsi_report_key_data_challenge *chal_data; 3168 3169 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3170 3171 bcopy(chal_data->challenge_key, authinfo->keychal, 3172 min(sizeof(chal_data->challenge_key), 3173 sizeof(authinfo->keychal))); 3174 break; 3175 } 3176 case DVD_REPORT_KEY1: { 3177 struct scsi_report_key_data_key1_key2 *key1_data; 3178 3179 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3180 3181 bcopy(key1_data->key1, authinfo->keychal, 3182 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3183 break; 3184 } 3185 case DVD_REPORT_TITLE_KEY: { 3186 struct scsi_report_key_data_title *title_data; 3187 3188 title_data = (struct scsi_report_key_data_title *)databuf; 3189 3190 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3191 RKD_TITLE_CPM_SHIFT; 3192 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3193 RKD_TITLE_CP_SEC_SHIFT; 3194 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3195 RKD_TITLE_CMGS_SHIFT; 3196 bcopy(title_data->title_key, authinfo->keychal, 3197 min(sizeof(title_data->title_key), 3198 sizeof(authinfo->keychal))); 3199 break; 3200 } 3201 case DVD_REPORT_ASF: { 3202 struct scsi_report_key_data_asf *asf_data; 3203 3204 asf_data = (struct scsi_report_key_data_asf *)databuf; 3205 3206 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3207 break; 3208 } 3209 case DVD_REPORT_RPC: { 3210 struct scsi_report_key_data_rpc *rpc_data; 3211 3212 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3213 3214 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3215 RKD_RPC_TYPE_SHIFT; 3216 authinfo->vend_rsts = 3217 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3218 RKD_RPC_VENDOR_RESET_SHIFT; 3219 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3220 authinfo->region = rpc_data->region_mask; 3221 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3222 break; 3223 } 3224 case DVD_INVALIDATE_AGID: 3225 break; 3226 default: 3227 /* This should be impossible, since we checked above */ 3228 error = EINVAL; 3229 goto bailout; 3230 break; /* NOTREACHED */ 3231 } 3232bailout: 3233 if (databuf != NULL) 3234 free(databuf, M_DEVBUF); 3235 3236 xpt_release_ccb(ccb); 3237 3238 return(error); 3239} 3240 3241static int 3242cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3243{ 3244 union ccb *ccb; 3245 u_int8_t *databuf; 3246 int length; 3247 int error; 3248 3249 error = 0; 3250 databuf = NULL; 3251 3252 ccb = cdgetccb(periph, /* priority */ 1); 3253 3254 switch(authinfo->format) { 3255 case DVD_SEND_CHALLENGE: { 3256 struct scsi_report_key_data_challenge *challenge_data; 3257 3258 length = sizeof(*challenge_data); 3259 3260 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3261 3262 databuf = (u_int8_t *)challenge_data; 3263 3264 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3265 challenge_data->data_len); 3266 3267 bcopy(authinfo->keychal, challenge_data->challenge_key, 3268 min(sizeof(authinfo->keychal), 3269 sizeof(challenge_data->challenge_key))); 3270 break; 3271 } 3272 case DVD_SEND_KEY2: { 3273 struct scsi_report_key_data_key1_key2 *key2_data; 3274 3275 length = sizeof(*key2_data); 3276 3277 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3278 3279 databuf = (u_int8_t *)key2_data; 3280 3281 scsi_ulto2b(length - sizeof(key2_data->data_len), 3282 key2_data->data_len); 3283 3284 bcopy(authinfo->keychal, key2_data->key1, 3285 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3286 3287 break; 3288 } 3289 case DVD_SEND_RPC: { 3290 struct scsi_send_key_data_rpc *rpc_data; 3291 3292 length = sizeof(*rpc_data); 3293 3294 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3295 3296 databuf = (u_int8_t *)rpc_data; 3297 3298 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3299 rpc_data->data_len); 3300 3301 rpc_data->region_code = authinfo->region; 3302 break; 3303 } 3304 default: 3305 error = EINVAL; 3306 goto bailout; 3307 break; /* NOTREACHED */ 3308 } 3309 3310 scsi_send_key(&ccb->csio, 3311 /* retries */ 1, 3312 /* cbfcnp */ cddone, 3313 /* tag_action */ MSG_SIMPLE_Q_TAG, 3314 /* agid */ authinfo->agid, 3315 /* key_format */ authinfo->format, 3316 /* data_ptr */ databuf, 3317 /* dxfer_len */ length, 3318 /* sense_len */ SSD_FULL_SIZE, 3319 /* timeout */ 50000); 3320 3321 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3322 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3323 3324bailout: 3325 3326 if (databuf != NULL) 3327 free(databuf, M_DEVBUF); 3328 3329 xpt_release_ccb(ccb); 3330 3331 return(error); 3332} 3333 3334static int 3335cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3336{ 3337 union ccb *ccb; 3338 u_int8_t *databuf; 3339 u_int32_t address; 3340 int error; 3341 int length; 3342 3343 error = 0; 3344 databuf = NULL; 3345 /* The address is reserved for many of the formats */ 3346 address = 0; 3347 3348 ccb = cdgetccb(periph, /* priority */ 1); 3349 3350 switch(dvdstruct->format) { 3351 case DVD_STRUCT_PHYSICAL: 3352 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3353 break; 3354 case DVD_STRUCT_COPYRIGHT: 3355 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3356 break; 3357 case DVD_STRUCT_DISCKEY: 3358 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3359 break; 3360 case DVD_STRUCT_BCA: 3361 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3362 break; 3363 case DVD_STRUCT_MANUFACT: 3364 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3365 break; 3366 case DVD_STRUCT_CMI: 3367 error = ENODEV; 3368 goto bailout; 3369#ifdef notyet 3370 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3371 address = dvdstruct->address; 3372#endif 3373 break; /* NOTREACHED */ 3374 case DVD_STRUCT_PROTDISCID: 3375 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3376 break; 3377 case DVD_STRUCT_DISCKEYBLOCK: 3378 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3379 break; 3380 case DVD_STRUCT_DDS: 3381 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3382 break; 3383 case DVD_STRUCT_MEDIUM_STAT: 3384 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3385 break; 3386 case DVD_STRUCT_SPARE_AREA: 3387 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3388 break; 3389 case DVD_STRUCT_RMD_LAST: 3390 error = ENODEV; 3391 goto bailout; 3392#ifdef notyet 3393 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3394 address = dvdstruct->address; 3395#endif 3396 break; /* NOTREACHED */ 3397 case DVD_STRUCT_RMD_RMA: 3398 error = ENODEV; 3399 goto bailout; 3400#ifdef notyet 3401 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3402 address = dvdstruct->address; 3403#endif 3404 break; /* NOTREACHED */ 3405 case DVD_STRUCT_PRERECORDED: 3406 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3407 break; 3408 case DVD_STRUCT_UNIQUEID: 3409 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3410 break; 3411 case DVD_STRUCT_DCB: 3412 error = ENODEV; 3413 goto bailout; 3414#ifdef notyet 3415 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3416 address = dvdstruct->address; 3417#endif 3418 break; /* NOTREACHED */ 3419 case DVD_STRUCT_LIST: 3420 /* 3421 * This is the maximum allocation length for the READ DVD 3422 * STRUCTURE command. There's nothing in the MMC3 spec 3423 * that indicates a limit in the amount of data that can 3424 * be returned from this call, other than the limits 3425 * imposed by the 2-byte length variables. 3426 */ 3427 length = 65535; 3428 break; 3429 default: 3430 error = EINVAL; 3431 goto bailout; 3432 break; /* NOTREACHED */ 3433 } 3434 3435 if (length != 0) { 3436 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3437 } else 3438 databuf = NULL; 3439 3440 scsi_read_dvd_structure(&ccb->csio, 3441 /* retries */ 1, 3442 /* cbfcnp */ cddone, 3443 /* tag_action */ MSG_SIMPLE_Q_TAG, 3444 /* lba */ address, 3445 /* layer_number */ dvdstruct->layer_num, 3446 /* key_format */ dvdstruct->format, 3447 /* agid */ dvdstruct->agid, 3448 /* data_ptr */ databuf, 3449 /* dxfer_len */ length, 3450 /* sense_len */ SSD_FULL_SIZE, 3451 /* timeout */ 50000); 3452 3453 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3454 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3455 3456 if (error != 0) 3457 goto bailout; 3458 3459 switch(dvdstruct->format) { 3460 case DVD_STRUCT_PHYSICAL: { 3461 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3462 struct dvd_layer *outlayer; 3463 struct scsi_read_dvd_struct_data_physical *phys_data; 3464 3465 phys_data = 3466 (struct scsi_read_dvd_struct_data_physical *)databuf; 3467 inlayer = &phys_data->layer_desc; 3468 outlayer = (struct dvd_layer *)&dvdstruct->data; 3469 3470 dvdstruct->length = sizeof(*inlayer); 3471 3472 outlayer->book_type = (inlayer->book_type_version & 3473 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3474 outlayer->book_version = (inlayer->book_type_version & 3475 RDSD_BOOK_VERSION_MASK); 3476 outlayer->disc_size = (inlayer->disc_size_max_rate & 3477 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3478 outlayer->max_rate = (inlayer->disc_size_max_rate & 3479 RDSD_MAX_RATE_MASK); 3480 outlayer->nlayers = (inlayer->layer_info & 3481 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3482 outlayer->track_path = (inlayer->layer_info & 3483 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3484 outlayer->layer_type = (inlayer->layer_info & 3485 RDSD_LAYER_TYPE_MASK); 3486 outlayer->linear_density = (inlayer->density & 3487 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3488 outlayer->track_density = (inlayer->density & 3489 RDSD_TRACK_DENSITY_MASK); 3490 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3491 RDSD_BCA_SHIFT; 3492 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3493 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3494 outlayer->end_sector_l0 = 3495 scsi_3btoul(inlayer->end_sector_layer0); 3496 break; 3497 } 3498 case DVD_STRUCT_COPYRIGHT: { 3499 struct scsi_read_dvd_struct_data_copyright *copy_data; 3500 3501 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3502 databuf; 3503 3504 dvdstruct->cpst = copy_data->cps_type; 3505 dvdstruct->rmi = copy_data->region_info; 3506 dvdstruct->length = 0; 3507 3508 break; 3509 } 3510 default: 3511 /* 3512 * Tell the user what the overall length is, no matter 3513 * what we can actually fit in the data buffer. 3514 */ 3515 dvdstruct->length = length - ccb->csio.resid - 3516 sizeof(struct scsi_read_dvd_struct_data_header); 3517 3518 /* 3519 * But only actually copy out the smaller of what we read 3520 * in or what the structure can take. 3521 */ 3522 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3523 dvdstruct->data, 3524 min(sizeof(dvdstruct->data), dvdstruct->length)); 3525 break; 3526 } 3527bailout: 3528 3529 if (databuf != NULL) 3530 free(databuf, M_DEVBUF); 3531 3532 xpt_release_ccb(ccb); 3533 3534 return(error); 3535} 3536 3537void 3538scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3539 void (*cbfcnp)(struct cam_periph *, union ccb *), 3540 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3541 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3542 u_int8_t sense_len, u_int32_t timeout) 3543{ 3544 struct scsi_report_key *scsi_cmd; 3545 3546 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3547 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3548 scsi_cmd->opcode = REPORT_KEY; 3549 scsi_ulto4b(lba, scsi_cmd->lba); 3550 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3551 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3552 (key_format & RK_KF_KEYFORMAT_MASK); 3553 3554 cam_fill_csio(csio, 3555 retries, 3556 cbfcnp, 3557 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3558 tag_action, 3559 /*data_ptr*/ data_ptr, 3560 /*dxfer_len*/ dxfer_len, 3561 sense_len, 3562 sizeof(*scsi_cmd), 3563 timeout); 3564} 3565 3566void 3567scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3568 void (*cbfcnp)(struct cam_periph *, union ccb *), 3569 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3570 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3571 u_int32_t timeout) 3572{ 3573 struct scsi_send_key *scsi_cmd; 3574 3575 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3576 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3577 scsi_cmd->opcode = SEND_KEY; 3578 3579 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3580 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3581 (key_format & RK_KF_KEYFORMAT_MASK); 3582 3583 cam_fill_csio(csio, 3584 retries, 3585 cbfcnp, 3586 /*flags*/ CAM_DIR_OUT, 3587 tag_action, 3588 /*data_ptr*/ data_ptr, 3589 /*dxfer_len*/ dxfer_len, 3590 sense_len, 3591 sizeof(*scsi_cmd), 3592 timeout); 3593} 3594 3595 3596void 3597scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3598 void (*cbfcnp)(struct cam_periph *, union ccb *), 3599 u_int8_t tag_action, u_int32_t address, 3600 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3601 u_int8_t *data_ptr, u_int32_t dxfer_len, 3602 u_int8_t sense_len, u_int32_t timeout) 3603{ 3604 struct scsi_read_dvd_structure *scsi_cmd; 3605 3606 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3607 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3608 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3609 3610 scsi_ulto4b(address, scsi_cmd->address); 3611 scsi_cmd->layer_number = layer_number; 3612 scsi_cmd->format = format; 3613 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3614 /* The AGID is the top two bits of this byte */ 3615 scsi_cmd->agid = agid << 6; 3616 3617 cam_fill_csio(csio, 3618 retries, 3619 cbfcnp, 3620 /*flags*/ CAM_DIR_IN, 3621 tag_action, 3622 /*data_ptr*/ data_ptr, 3623 /*dxfer_len*/ dxfer_len, 3624 sense_len, 3625 sizeof(*scsi_cmd), 3626 timeout); 3627} 3628