scsi_cd.c revision 79177
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 79177 2001-07-04 05:22:42Z mjacob $ 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 180static d_open_t cdopen; 181static d_close_t cdclose; 182static d_ioctl_t cdioctl; 183static d_strategy_t cdstrategy; 184 185static periph_init_t cdinit; 186static periph_ctor_t cdregister; 187static periph_dtor_t cdcleanup; 188static periph_start_t cdstart; 189static periph_oninv_t cdoninvalidate; 190static void cdasync(void *callback_arg, u_int32_t code, 191 struct cam_path *path, void *arg); 192static void cdshorttimeout(void *arg); 193static void cdschedule(struct cam_periph *periph, int priority); 194static void cdrunchangerqueue(void *arg); 195static void cdchangerschedule(struct cd_softc *softc); 196static int cdrunccb(union ccb *ccb, 197 int (*error_routine)(union ccb *ccb, 198 u_int32_t cam_flags, 199 u_int32_t sense_flags), 200 u_int32_t cam_flags, u_int32_t sense_flags); 201static union ccb *cdgetccb(struct cam_periph *periph, 202 u_int32_t priority); 203static void cddone(struct cam_periph *periph, 204 union ccb *start_ccb); 205static int cderror(union ccb *ccb, u_int32_t cam_flags, 206 u_int32_t sense_flags); 207static void cdprevent(struct cam_periph *periph, int action); 208static int cdsize(dev_t dev, u_int32_t *size); 209static int cdfirsttrackisdata(struct cam_periph *periph); 210static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 211 u_int32_t start, struct cd_toc_entry *data, 212 u_int32_t len); 213static int cdgetmode(struct cam_periph *periph, 214 struct cd_mode_data *data, u_int32_t page); 215static int cdsetmode(struct cam_periph *periph, 216 struct cd_mode_data *data); 217static int cdplay(struct cam_periph *periph, u_int32_t blk, 218 u_int32_t len); 219static int cdreadsubchannel(struct cam_periph *periph, 220 u_int32_t mode, u_int32_t format, 221 int track, 222 struct cd_sub_channel_info *data, 223 u_int32_t len); 224static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 225 u_int32_t starts, u_int32_t startf, 226 u_int32_t endm, u_int32_t ends, 227 u_int32_t endf); 228static int cdplaytracks(struct cam_periph *periph, 229 u_int32_t strack, u_int32_t sindex, 230 u_int32_t etrack, u_int32_t eindex); 231static int cdpause(struct cam_periph *periph, u_int32_t go); 232static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 233static int cdstartunit(struct cam_periph *periph); 234static int cdreportkey(struct cam_periph *periph, 235 struct dvd_authinfo *authinfo); 236static int cdsendkey(struct cam_periph *periph, 237 struct dvd_authinfo *authinfo); 238static int cdreaddvdstructure(struct cam_periph *periph, 239 struct dvd_struct *dvdstruct); 240 241static struct periph_driver cddriver = 242{ 243 cdinit, "cd", 244 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 245}; 246 247PERIPHDRIVER_DECLARE(cd, cddriver); 248 249/* For 2.2-stable support */ 250#ifndef D_DISK 251#define D_DISK 0 252#endif 253static struct cdevsw cd_cdevsw = { 254 /* open */ cdopen, 255 /* close */ cdclose, 256 /* read */ physread, 257 /* write */ physwrite, 258 /* ioctl */ cdioctl, 259 /* poll */ nopoll, 260 /* mmap */ nommap, 261 /* strategy */ cdstrategy, 262 /* name */ "cd", 263 /* maj */ CD_CDEV_MAJOR, 264 /* dump */ nodump, 265 /* psize */ nopsize, 266 /* flags */ D_DISK, 267}; 268static struct cdevsw cddisk_cdevsw; 269 270static struct extend_array *cdperiphs; 271static int num_changers; 272 273#ifndef CHANGER_MIN_BUSY_SECONDS 274#define CHANGER_MIN_BUSY_SECONDS 5 275#endif 276#ifndef CHANGER_MAX_BUSY_SECONDS 277#define CHANGER_MAX_BUSY_SECONDS 15 278#endif 279 280static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 281static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 282 283/* 284 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 285 * variables. 286 */ 287SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem"); 288SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 289SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 290SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 291 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 292SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 293 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 294 295struct cdchanger { 296 path_id_t path_id; 297 target_id_t target_id; 298 int num_devices; 299 struct camq devq; 300 struct timeval start_time; 301 struct cd_softc *cur_device; 302 struct callout_handle short_handle; 303 struct callout_handle long_handle; 304 volatile cd_changer_flags flags; 305 STAILQ_ENTRY(cdchanger) changer_links; 306 STAILQ_HEAD(chdevlist, cd_softc) chluns; 307}; 308 309static STAILQ_HEAD(changerlist, cdchanger) changerq; 310 311void 312cdinit(void) 313{ 314 cam_status status; 315 struct cam_path *path; 316 317 /* 318 * Create our extend array for storing the devices we attach to. 319 */ 320 cdperiphs = cam_extend_new(); 321 if (cdperiphs == NULL) { 322 printf("cd: Failed to alloc extend array!\n"); 323 return; 324 } 325 326 /* 327 * Install a global async callback. This callback will 328 * receive async callbacks like "new device found". 329 */ 330 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 331 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 332 333 if (status == CAM_REQ_CMP) { 334 struct ccb_setasync csa; 335 336 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 337 csa.ccb_h.func_code = XPT_SASYNC_CB; 338 csa.event_enable = AC_FOUND_DEVICE; 339 csa.callback = cdasync; 340 csa.callback_arg = NULL; 341 xpt_action((union ccb *)&csa); 342 status = csa.ccb_h.status; 343 xpt_free_path(path); 344 } 345 346 if (status != CAM_REQ_CMP) { 347 printf("cd: Failed to attach master async callback " 348 "due to status 0x%x!\n", status); 349 } 350} 351 352static void 353cdoninvalidate(struct cam_periph *periph) 354{ 355 int s; 356 struct cd_softc *softc; 357 struct bio *q_bp; 358 struct ccb_setasync csa; 359 360 softc = (struct cd_softc *)periph->softc; 361 362 /* 363 * De-register any async callbacks. 364 */ 365 xpt_setup_ccb(&csa.ccb_h, periph->path, 366 /* priority */ 5); 367 csa.ccb_h.func_code = XPT_SASYNC_CB; 368 csa.event_enable = 0; 369 csa.callback = cdasync; 370 csa.callback_arg = periph; 371 xpt_action((union ccb *)&csa); 372 373 softc->flags |= CD_FLAG_INVALID; 374 375 /* 376 * Although the oninvalidate() routines are always called at 377 * splsoftcam, we need to be at splbio() here to keep the buffer 378 * queue from being modified while we traverse it. 379 */ 380 s = splbio(); 381 382 /* 383 * Return all queued I/O with ENXIO. 384 * XXX Handle any transactions queued to the card 385 * with XPT_ABORT_CCB. 386 */ 387 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 388 bioq_remove(&softc->bio_queue, q_bp); 389 q_bp->bio_resid = q_bp->bio_bcount; 390 biofinish(q_bp, NULL, ENXIO); 391 } 392 splx(s); 393 394 /* 395 * If this device is part of a changer, and it was scheduled 396 * to run, remove it from the run queue since we just nuked 397 * all of its scheduled I/O. 398 */ 399 if ((softc->flags & CD_FLAG_CHANGER) 400 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 401 camq_remove(&softc->changer->devq, softc->pinfo.index); 402 403 xpt_print_path(periph->path); 404 printf("lost device\n"); 405} 406 407static void 408cdcleanup(struct cam_periph *periph) 409{ 410 struct cd_softc *softc; 411 int s; 412 413 softc = (struct cd_softc *)periph->softc; 414 415 xpt_print_path(periph->path); 416 printf("removing device entry\n"); 417 418 s = splsoftcam(); 419 /* 420 * In the queued, non-active case, the device in question 421 * has already been removed from the changer run queue. Since this 422 * device is active, we need to de-activate it, and schedule 423 * another device to run. (if there is another one to run) 424 */ 425 if ((softc->flags & CD_FLAG_CHANGER) 426 && (softc->flags & CD_FLAG_ACTIVE)) { 427 428 /* 429 * The purpose of the short timeout is soley to determine 430 * whether the current device has finished or not. Well, 431 * since we're removing the active device, we know that it 432 * is finished. So, get rid of the short timeout. 433 * Otherwise, if we're in the time period before the short 434 * timeout fires, and there are no other devices in the 435 * queue to run, there won't be any other device put in the 436 * active slot. i.e., when we call cdrunchangerqueue() 437 * below, it won't do anything. Then, when the short 438 * timeout fires, it'll look at the "current device", which 439 * we are free below, and possibly panic the kernel on a 440 * bogus pointer reference. 441 * 442 * The long timeout doesn't really matter, since we 443 * decrement the qfrozen_cnt to indicate that there is 444 * nothing in the active slot now. Therefore, there won't 445 * be any bogus pointer references there. 446 */ 447 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 448 untimeout(cdshorttimeout, softc->changer, 449 softc->changer->short_handle); 450 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 451 } 452 softc->changer->devq.qfrozen_cnt--; 453 softc->changer->flags |= CHANGER_MANUAL_CALL; 454 cdrunchangerqueue(softc->changer); 455 } 456 457 /* 458 * If we're removing the last device on the changer, go ahead and 459 * remove the changer device structure. 460 */ 461 if ((softc->flags & CD_FLAG_CHANGER) 462 && (--softc->changer->num_devices == 0)) { 463 464 /* 465 * Theoretically, there shouldn't be any timeouts left, but 466 * I'm not completely sure that that will be the case. So, 467 * it won't hurt to check and see if there are any left. 468 */ 469 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 470 untimeout(cdrunchangerqueue, softc->changer, 471 softc->changer->long_handle); 472 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 473 } 474 475 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 476 untimeout(cdshorttimeout, softc->changer, 477 softc->changer->short_handle); 478 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 479 } 480 481 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 482 changer_links); 483 xpt_print_path(periph->path); 484 printf("removing changer entry\n"); 485 free(softc->changer, M_DEVBUF); 486 num_changers--; 487 } 488 devstat_remove_entry(&softc->device_stats); 489 cam_extend_release(cdperiphs, periph->unit_number); 490 free(softc, M_DEVBUF); 491 splx(s); 492} 493 494static void 495cdasync(void *callback_arg, u_int32_t code, 496 struct cam_path *path, void *arg) 497{ 498 struct cam_periph *periph; 499 500 periph = (struct cam_periph *)callback_arg; 501 switch (code) { 502 case AC_FOUND_DEVICE: 503 { 504 struct ccb_getdev *cgd; 505 cam_status status; 506 507 cgd = (struct ccb_getdev *)arg; 508 if (cgd == NULL) 509 break; 510 511 if (SID_TYPE(&cgd->inq_data) != T_CDROM 512 && SID_TYPE(&cgd->inq_data) != T_WORM) 513 break; 514 515 /* 516 * Allocate a peripheral instance for 517 * this device and start the probe 518 * process. 519 */ 520 status = cam_periph_alloc(cdregister, cdoninvalidate, 521 cdcleanup, cdstart, 522 "cd", CAM_PERIPH_BIO, 523 cgd->ccb_h.path, cdasync, 524 AC_FOUND_DEVICE, cgd); 525 526 if (status != CAM_REQ_CMP 527 && status != CAM_REQ_INPROG) 528 printf("cdasync: Unable to attach new device " 529 "due to status 0x%x\n", status); 530 531 break; 532 } 533 case AC_SENT_BDR: 534 case AC_BUS_RESET: 535 { 536 struct cd_softc *softc; 537 struct ccb_hdr *ccbh; 538 int s; 539 540 softc = (struct cd_softc *)periph->softc; 541 s = splsoftcam(); 542 /* 543 * Don't fail on the expected unit attention 544 * that will occur. 545 */ 546 softc->flags |= CD_FLAG_RETRY_UA; 547 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 548 ccbh->ccb_state |= CD_CCB_RETRY_UA; 549 splx(s); 550 /* FALLTHROUGH */ 551 } 552 default: 553 cam_periph_async(periph, code, path, arg); 554 break; 555 } 556} 557 558static cam_status 559cdregister(struct cam_periph *periph, void *arg) 560{ 561 struct cd_softc *softc; 562 struct ccb_setasync csa; 563 struct ccb_getdev *cgd; 564 caddr_t match; 565 566 cgd = (struct ccb_getdev *)arg; 567 if (periph == NULL) { 568 printf("cdregister: periph was NULL!!\n"); 569 return(CAM_REQ_CMP_ERR); 570 } 571 if (cgd == NULL) { 572 printf("cdregister: no getdev CCB, can't register device\n"); 573 return(CAM_REQ_CMP_ERR); 574 } 575 576 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 577 578 if (softc == NULL) { 579 printf("cdregister: Unable to probe new device. " 580 "Unable to allocate softc\n"); 581 return(CAM_REQ_CMP_ERR); 582 } 583 584 bzero(softc, sizeof(*softc)); 585 LIST_INIT(&softc->pending_ccbs); 586 softc->state = CD_STATE_PROBE; 587 bioq_init(&softc->bio_queue); 588 if (SID_IS_REMOVABLE(&cgd->inq_data)) 589 softc->flags |= CD_FLAG_DISC_REMOVABLE; 590 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 591 softc->flags |= CD_FLAG_TAGGED_QUEUING; 592 593 periph->softc = softc; 594 softc->periph = periph; 595 596 cam_extend_set(cdperiphs, periph->unit_number, periph); 597 598 /* 599 * See if this device has any quirks. 600 */ 601 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 602 (caddr_t)cd_quirk_table, 603 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 604 sizeof(*cd_quirk_table), scsi_inquiry_match); 605 606 if (match != NULL) 607 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 608 else 609 softc->quirks = CD_Q_NONE; 610 611 /* 612 * We need to register the statistics structure for this device, 613 * but we don't have the blocksize yet for it. So, we register 614 * the structure and indicate that we don't have the blocksize 615 * yet. Unlike other SCSI peripheral drivers, we explicitly set 616 * the device type here to be CDROM, rather than just ORing in 617 * the device type. This is because this driver can attach to either 618 * CDROM or WORM devices, and we want this peripheral driver to 619 * show up in the devstat list as a CD peripheral driver, not a 620 * WORM peripheral driver. WORM drives will also have the WORM 621 * driver attached to them. 622 */ 623 devstat_add_entry(&softc->device_stats, "cd", 624 periph->unit_number, 0, 625 DEVSTAT_BS_UNAVAILABLE, 626 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 627 DEVSTAT_PRIORITY_CD); 628 disk_create(periph->unit_number, &softc->disk, 629 DSO_ONESLICE | DSO_COMPATLABEL, 630 &cd_cdevsw, &cddisk_cdevsw); 631 632 /* 633 * Add an async callback so that we get 634 * notified if this device goes away. 635 */ 636 xpt_setup_ccb(&csa.ccb_h, periph->path, 637 /* priority */ 5); 638 csa.ccb_h.func_code = XPT_SASYNC_CB; 639 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 640 csa.callback = cdasync; 641 csa.callback_arg = periph; 642 xpt_action((union ccb *)&csa); 643 644 /* 645 * If the target lun is greater than 0, we most likely have a CD 646 * changer device. Check the quirk entries as well, though, just 647 * in case someone has a CD tower with one lun per drive or 648 * something like that. Also, if we know up front that a 649 * particular device is a changer, we can mark it as such starting 650 * with lun 0, instead of lun 1. It shouldn't be necessary to have 651 * a quirk entry to define something as a changer, however. 652 */ 653 if (((cgd->ccb_h.target_lun > 0) 654 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 655 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 656 struct cdchanger *nchanger; 657 struct cam_periph *nperiph; 658 struct cam_path *path; 659 cam_status status; 660 int found; 661 662 /* Set the changer flag in the current device's softc */ 663 softc->flags |= CD_FLAG_CHANGER; 664 665 if (num_changers == 0) 666 STAILQ_INIT(&changerq); 667 668 /* 669 * Now, look around for an existing changer device with the 670 * same path and target ID as the current device. 671 */ 672 for (found = 0, 673 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 674 nchanger != NULL; 675 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 676 if ((nchanger->path_id == cgd->ccb_h.path_id) 677 && (nchanger->target_id == cgd->ccb_h.target_id)) { 678 found = 1; 679 break; 680 } 681 } 682 683 /* 684 * If we found a matching entry, just add this device to 685 * the list of devices on this changer. 686 */ 687 if (found == 1) { 688 struct chdevlist *chlunhead; 689 690 chlunhead = &nchanger->chluns; 691 692 /* 693 * XXX KDM look at consolidating this code with the 694 * code below in a separate function. 695 */ 696 697 /* 698 * Create a path with lun id 0, and see if we can 699 * find a matching device 700 */ 701 status = xpt_create_path(&path, /*periph*/ periph, 702 cgd->ccb_h.path_id, 703 cgd->ccb_h.target_id, 0); 704 705 if ((status == CAM_REQ_CMP) 706 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 707 struct cd_softc *nsoftc; 708 709 nsoftc = (struct cd_softc *)nperiph->softc; 710 711 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 712 nsoftc->flags |= CD_FLAG_CHANGER; 713 nchanger->num_devices++; 714 if (camq_resize(&nchanger->devq, 715 nchanger->num_devices)!=CAM_REQ_CMP){ 716 printf("cdregister: " 717 "camq_resize " 718 "failed, changer " 719 "support may " 720 "be messed up\n"); 721 } 722 nsoftc->changer = nchanger; 723 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 724 725 STAILQ_INSERT_TAIL(&nchanger->chluns, 726 nsoftc,changer_links); 727 } 728 xpt_free_path(path); 729 } else if (status == CAM_REQ_CMP) 730 xpt_free_path(path); 731 else { 732 printf("cdregister: unable to allocate path\n" 733 "cdregister: changer support may be " 734 "broken\n"); 735 } 736 737 nchanger->num_devices++; 738 739 softc->changer = nchanger; 740 softc->pinfo.index = CAM_UNQUEUED_INDEX; 741 742 if (camq_resize(&nchanger->devq, 743 nchanger->num_devices) != CAM_REQ_CMP) { 744 printf("cdregister: camq_resize " 745 "failed, changer support may " 746 "be messed up\n"); 747 } 748 749 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 750 } 751 /* 752 * In this case, we don't already have an entry for this 753 * particular changer, so we need to create one, add it to 754 * the queue, and queue this device on the list for this 755 * changer. Before we queue this device, however, we need 756 * to search for lun id 0 on this target, and add it to the 757 * queue first, if it exists. (and if it hasn't already 758 * been marked as part of the changer.) 759 */ 760 else { 761 nchanger = malloc(sizeof(struct cdchanger), 762 M_DEVBUF, M_NOWAIT); 763 764 if (nchanger == NULL) { 765 softc->flags &= ~CD_FLAG_CHANGER; 766 printf("cdregister: unable to malloc " 767 "changer structure\ncdregister: " 768 "changer support disabled\n"); 769 770 /* 771 * Yes, gotos can be gross but in this case 772 * I think it's justified.. 773 */ 774 goto cdregisterexit; 775 } 776 777 /* zero the structure */ 778 bzero(nchanger, sizeof(struct cdchanger)); 779 780 if (camq_init(&nchanger->devq, 1) != 0) { 781 softc->flags &= ~CD_FLAG_CHANGER; 782 printf("cdregister: changer support " 783 "disabled\n"); 784 goto cdregisterexit; 785 } 786 787 num_changers++; 788 789 nchanger->path_id = cgd->ccb_h.path_id; 790 nchanger->target_id = cgd->ccb_h.target_id; 791 792 /* this is superfluous, but it makes things clearer */ 793 nchanger->num_devices = 0; 794 795 STAILQ_INIT(&nchanger->chluns); 796 797 STAILQ_INSERT_TAIL(&changerq, nchanger, 798 changer_links); 799 800 /* 801 * Create a path with lun id 0, and see if we can 802 * find a matching device 803 */ 804 status = xpt_create_path(&path, /*periph*/ periph, 805 cgd->ccb_h.path_id, 806 cgd->ccb_h.target_id, 0); 807 808 /* 809 * If we were able to allocate the path, and if we 810 * find a matching device and it isn't already 811 * marked as part of a changer, then we add it to 812 * the current changer. 813 */ 814 if ((status == CAM_REQ_CMP) 815 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 816 && ((((struct cd_softc *)periph->softc)->flags & 817 CD_FLAG_CHANGER) == 0)) { 818 struct cd_softc *nsoftc; 819 820 nsoftc = (struct cd_softc *)nperiph->softc; 821 822 nsoftc->flags |= CD_FLAG_CHANGER; 823 nchanger->num_devices++; 824 if (camq_resize(&nchanger->devq, 825 nchanger->num_devices) != CAM_REQ_CMP) { 826 printf("cdregister: camq_resize " 827 "failed, changer support may " 828 "be messed up\n"); 829 } 830 nsoftc->changer = nchanger; 831 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 832 833 STAILQ_INSERT_TAIL(&nchanger->chluns, 834 nsoftc, changer_links); 835 xpt_free_path(path); 836 } else if (status == CAM_REQ_CMP) 837 xpt_free_path(path); 838 else { 839 printf("cdregister: unable to allocate path\n" 840 "cdregister: changer support may be " 841 "broken\n"); 842 } 843 844 softc->changer = nchanger; 845 softc->pinfo.index = CAM_UNQUEUED_INDEX; 846 nchanger->num_devices++; 847 if (camq_resize(&nchanger->devq, 848 nchanger->num_devices) != CAM_REQ_CMP) { 849 printf("cdregister: camq_resize " 850 "failed, changer support may " 851 "be messed up\n"); 852 } 853 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 854 changer_links); 855 } 856 } 857 858cdregisterexit: 859 860 /* Lock this peripheral until we are setup */ 861 /* Can't block */ 862 cam_periph_lock(periph, PRIBIO); 863 864 if ((softc->flags & CD_FLAG_CHANGER) == 0) 865 xpt_schedule(periph, /*priority*/5); 866 else 867 cdschedule(periph, /*priority*/ 5); 868 869 return(CAM_REQ_CMP); 870} 871 872static int 873cdopen(dev_t dev, int flags, int fmt, struct proc *p) 874{ 875 struct disklabel *label; 876 struct cam_periph *periph; 877 struct cd_softc *softc; 878 struct ccb_getdev cgd; 879 u_int32_t size; 880 int unit, error; 881 int s; 882 883 unit = dkunit(dev); 884 periph = cam_extend_get(cdperiphs, unit); 885 886 if (periph == NULL) 887 return (ENXIO); 888 889 softc = (struct cd_softc *)periph->softc; 890 891 /* 892 * Grab splsoftcam and hold it until we lock the peripheral. 893 */ 894 s = splsoftcam(); 895 if (softc->flags & CD_FLAG_INVALID) { 896 splx(s); 897 return(ENXIO); 898 } 899 900 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 901 splx(s); 902 return (error); 903 } 904 905 splx(s); 906 907 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 908 return(ENXIO); 909 910 cdprevent(periph, PR_PREVENT); 911 912 /* find out the size */ 913 if ((error = cdsize(dev, &size)) != 0) { 914 cdprevent(periph, PR_ALLOW); 915 cam_periph_unlock(periph); 916 cam_periph_release(periph); 917 return(error); 918 } 919 920 /* 921 * If we get a non-zero return, revert back to not reading the 922 * label off the disk. The first track is likely audio, which 923 * won't have a disklabel. 924 */ 925 if ((error = cdfirsttrackisdata(periph)) != 0) { 926 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 927 softc->disk.d_dsflags |= DSO_NOLABELS; 928 error = 0; 929 } 930 931 /* 932 * Build prototype label for whole disk. 933 * Should take information about different data tracks from the 934 * TOC and put it in the partition table. 935 */ 936 label = &softc->disk.d_label; 937 bzero(label, sizeof(*label)); 938 label->d_type = DTYPE_SCSI; 939 940 /* 941 * Grab the inquiry data to get the vendor and product names. 942 * Put them in the typename and packname for the label. 943 */ 944 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 945 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 946 xpt_action((union ccb *)&cgd); 947 948 strncpy(label->d_typename, cgd.inq_data.vendor, 949 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 950 strncpy(label->d_packname, cgd.inq_data.product, 951 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 952 953 label->d_secsize = softc->params.blksize; 954 label->d_secperunit = softc->params.disksize; 955 label->d_flags = D_REMOVABLE; 956 /* 957 * Make partition 'a' cover the whole disk. This is a temporary 958 * compatibility hack. The 'a' partition should not exist, so 959 * the slice code won't create it. The slice code will make 960 * partition (RAW_PART + 'a') cover the whole disk and fill in 961 * some more defaults. 962 */ 963 label->d_partitions[0].p_size = label->d_secperunit; 964 label->d_partitions[0].p_fstype = FS_OTHER; 965 966 /* 967 * We unconditionally (re)set the blocksize each time the 968 * CD device is opened. This is because the CD can change, 969 * and therefore the blocksize might change. 970 * XXX problems here if some slice or partition is still 971 * open with the old size? 972 */ 973 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 974 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 975 softc->device_stats.block_size = softc->params.blksize; 976 977 cam_periph_unlock(periph); 978 979 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 980 981 return (error); 982} 983 984static int 985cdclose(dev_t dev, int flag, int fmt, struct proc *p) 986{ 987 struct cam_periph *periph; 988 struct cd_softc *softc; 989 int unit, error; 990 991 unit = dkunit(dev); 992 periph = cam_extend_get(cdperiphs, unit); 993 if (periph == NULL) 994 return (ENXIO); 995 996 softc = (struct cd_softc *)periph->softc; 997 998 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 999 return (error); 1000 1001 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1002 cdprevent(periph, PR_ALLOW); 1003 1004 /* 1005 * Unconditionally set the dsopen() flags back to their default 1006 * state. 1007 */ 1008 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1009 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1010 1011 /* 1012 * Since we're closing this CD, mark the blocksize as unavailable. 1013 * It will be marked as available whence the CD is opened again. 1014 */ 1015 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1016 1017 cam_periph_unlock(periph); 1018 cam_periph_release(periph); 1019 1020 return (0); 1021} 1022 1023static void 1024cdshorttimeout(void *arg) 1025{ 1026 struct cdchanger *changer; 1027 int s; 1028 1029 s = splsoftcam(); 1030 1031 changer = (struct cdchanger *)arg; 1032 1033 /* Always clear the short timeout flag, since that's what we're in */ 1034 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1035 1036 /* 1037 * Check to see if there is any more pending or outstanding I/O for 1038 * this device. If not, move it out of the active slot. 1039 */ 1040 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1041 && (changer->cur_device->device_stats.busy_count == 0)) { 1042 changer->flags |= CHANGER_MANUAL_CALL; 1043 cdrunchangerqueue(changer); 1044 } 1045 1046 splx(s); 1047} 1048 1049/* 1050 * This is a wrapper for xpt_schedule. It only applies to changers. 1051 */ 1052static void 1053cdschedule(struct cam_periph *periph, int priority) 1054{ 1055 struct cd_softc *softc; 1056 int s; 1057 1058 s = splsoftcam(); 1059 1060 softc = (struct cd_softc *)periph->softc; 1061 1062 /* 1063 * If this device isn't currently queued, and if it isn't 1064 * the active device, then we queue this device and run the 1065 * changer queue if there is no timeout scheduled to do it. 1066 * If this device is the active device, just schedule it 1067 * to run again. If this device is queued, there should be 1068 * a timeout in place already that will make sure it runs. 1069 */ 1070 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1071 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1072 /* 1073 * We don't do anything with the priority here. 1074 * This is strictly a fifo queue. 1075 */ 1076 softc->pinfo.priority = 1; 1077 softc->pinfo.generation = ++softc->changer->devq.generation; 1078 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1079 1080 /* 1081 * Since we just put a device in the changer queue, 1082 * check and see if there is a timeout scheduled for 1083 * this changer. If so, let the timeout handle 1084 * switching this device into the active slot. If 1085 * not, manually call the timeout routine to 1086 * bootstrap things. 1087 */ 1088 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1089 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1090 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1091 softc->changer->flags |= CHANGER_MANUAL_CALL; 1092 cdrunchangerqueue(softc->changer); 1093 } 1094 } else if ((softc->flags & CD_FLAG_ACTIVE) 1095 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1096 xpt_schedule(periph, priority); 1097 1098 splx(s); 1099 1100} 1101 1102static void 1103cdrunchangerqueue(void *arg) 1104{ 1105 struct cd_softc *softc; 1106 struct cdchanger *changer; 1107 int called_from_timeout; 1108 int s; 1109 1110 s = splsoftcam(); 1111 1112 changer = (struct cdchanger *)arg; 1113 1114 /* 1115 * If we have NOT been called from cdstrategy() or cddone(), and 1116 * instead from a timeout routine, go ahead and clear the 1117 * timeout flag. 1118 */ 1119 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1120 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1121 called_from_timeout = 1; 1122 } else 1123 called_from_timeout = 0; 1124 1125 /* Always clear the manual call flag */ 1126 changer->flags &= ~CHANGER_MANUAL_CALL; 1127 1128 /* nothing to do if the queue is empty */ 1129 if (changer->devq.entries <= 0) { 1130 splx(s); 1131 return; 1132 } 1133 1134 /* 1135 * If the changer queue is frozen, that means we have an active 1136 * device. 1137 */ 1138 if (changer->devq.qfrozen_cnt > 0) { 1139 1140 if (changer->cur_device->device_stats.busy_count > 0) { 1141 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1142 changer->cur_device->bufs_left = 1143 changer->cur_device->device_stats.busy_count; 1144 if (called_from_timeout) { 1145 changer->long_handle = 1146 timeout(cdrunchangerqueue, changer, 1147 changer_max_busy_seconds * hz); 1148 changer->flags |= CHANGER_TIMEOUT_SCHED; 1149 } 1150 splx(s); 1151 return; 1152 } 1153 1154 /* 1155 * We always need to reset the frozen count and clear the 1156 * active flag. 1157 */ 1158 changer->devq.qfrozen_cnt--; 1159 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1160 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1161 1162 /* 1163 * Check to see whether the current device has any I/O left 1164 * to do. If so, requeue it at the end of the queue. If 1165 * not, there is no need to requeue it. 1166 */ 1167 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1168 1169 changer->cur_device->pinfo.generation = 1170 ++changer->devq.generation; 1171 camq_insert(&changer->devq, 1172 (cam_pinfo *)changer->cur_device); 1173 } 1174 } 1175 1176 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1177 1178 changer->cur_device = softc; 1179 1180 changer->devq.qfrozen_cnt++; 1181 softc->flags |= CD_FLAG_ACTIVE; 1182 1183 /* Just in case this device is waiting */ 1184 wakeup(&softc->changer); 1185 xpt_schedule(softc->periph, /*priority*/ 1); 1186 1187 /* 1188 * Get rid of any pending timeouts, and set a flag to schedule new 1189 * ones so this device gets its full time quantum. 1190 */ 1191 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1192 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1193 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1194 } 1195 1196 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1197 untimeout(cdshorttimeout, changer, changer->short_handle); 1198 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1199 } 1200 1201 /* 1202 * We need to schedule timeouts, but we only do this after the 1203 * first transaction has completed. This eliminates the changer 1204 * switch time. 1205 */ 1206 changer->flags |= CHANGER_NEED_TIMEOUT; 1207 1208 splx(s); 1209} 1210 1211static void 1212cdchangerschedule(struct cd_softc *softc) 1213{ 1214 struct cdchanger *changer; 1215 int s; 1216 1217 s = splsoftcam(); 1218 1219 changer = softc->changer; 1220 1221 /* 1222 * If this is a changer, and this is the current device, 1223 * and this device has at least the minimum time quantum to 1224 * run, see if we can switch it out. 1225 */ 1226 if ((softc->flags & CD_FLAG_ACTIVE) 1227 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1228 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1229 /* 1230 * We try three things here. The first is that we 1231 * check to see whether the schedule on completion 1232 * flag is set. If it is, we decrement the number 1233 * of buffers left, and if it's zero, we reschedule. 1234 * Next, we check to see whether the pending buffer 1235 * queue is empty and whether there are no 1236 * outstanding transactions. If so, we reschedule. 1237 * Next, we see if the pending buffer queue is empty. 1238 * If it is, we set the number of buffers left to 1239 * the current active buffer count and set the 1240 * schedule on complete flag. 1241 */ 1242 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1243 if (--softc->bufs_left == 0) { 1244 softc->changer->flags |= 1245 CHANGER_MANUAL_CALL; 1246 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1247 cdrunchangerqueue(softc->changer); 1248 } 1249 } else if ((bioq_first(&softc->bio_queue) == NULL) 1250 && (softc->device_stats.busy_count == 0)) { 1251 softc->changer->flags |= CHANGER_MANUAL_CALL; 1252 cdrunchangerqueue(softc->changer); 1253 } 1254 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1255 && (softc->flags & CD_FLAG_ACTIVE)) { 1256 1257 /* 1258 * Now that the first transaction to this 1259 * particular device has completed, we can go ahead 1260 * and schedule our timeouts. 1261 */ 1262 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1263 changer->long_handle = 1264 timeout(cdrunchangerqueue, changer, 1265 changer_max_busy_seconds * hz); 1266 changer->flags |= CHANGER_TIMEOUT_SCHED; 1267 } else 1268 printf("cdchangerschedule: already have a long" 1269 " timeout!\n"); 1270 1271 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1272 changer->short_handle = 1273 timeout(cdshorttimeout, changer, 1274 changer_min_busy_seconds * hz); 1275 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1276 } else 1277 printf("cdchangerschedule: already have a short " 1278 "timeout!\n"); 1279 1280 /* 1281 * We just scheduled timeouts, no need to schedule 1282 * more. 1283 */ 1284 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1285 1286 } 1287 splx(s); 1288} 1289 1290static int 1291cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1292 u_int32_t cam_flags, 1293 u_int32_t sense_flags), 1294 u_int32_t cam_flags, u_int32_t sense_flags) 1295{ 1296 struct cd_softc *softc; 1297 struct cam_periph *periph; 1298 int error; 1299 1300 periph = xpt_path_periph(ccb->ccb_h.path); 1301 softc = (struct cd_softc *)periph->softc; 1302 1303 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1304 &softc->device_stats); 1305 1306 if (softc->flags & CD_FLAG_CHANGER) 1307 cdchangerschedule(softc); 1308 1309 return(error); 1310} 1311 1312static union ccb * 1313cdgetccb(struct cam_periph *periph, u_int32_t priority) 1314{ 1315 struct cd_softc *softc; 1316 int s; 1317 1318 softc = (struct cd_softc *)periph->softc; 1319 1320 if (softc->flags & CD_FLAG_CHANGER) { 1321 1322 s = splsoftcam(); 1323 1324 /* 1325 * This should work the first time this device is woken up, 1326 * but just in case it doesn't, we use a while loop. 1327 */ 1328 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1329 /* 1330 * If this changer isn't already queued, queue it up. 1331 */ 1332 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1333 softc->pinfo.priority = 1; 1334 softc->pinfo.generation = 1335 ++softc->changer->devq.generation; 1336 camq_insert(&softc->changer->devq, 1337 (cam_pinfo *)softc); 1338 } 1339 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1340 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1341 && ((softc->changer->flags 1342 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1343 softc->changer->flags |= CHANGER_MANUAL_CALL; 1344 cdrunchangerqueue(softc->changer); 1345 } else 1346 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1347 } 1348 splx(s); 1349 } 1350 return(cam_periph_getccb(periph, priority)); 1351} 1352 1353 1354/* 1355 * Actually translate the requested transfer into one the physical driver 1356 * can understand. The transfer is described by a buf and will include 1357 * only one physical transfer. 1358 */ 1359static void 1360cdstrategy(struct bio *bp) 1361{ 1362 struct cam_periph *periph; 1363 struct cd_softc *softc; 1364 u_int unit, part; 1365 int s; 1366 1367 unit = dkunit(bp->bio_dev); 1368 part = dkpart(bp->bio_dev); 1369 periph = cam_extend_get(cdperiphs, unit); 1370 if (periph == NULL) { 1371 biofinish(bp, NULL, ENXIO); 1372 return; 1373 } 1374 1375 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1376 1377 softc = (struct cd_softc *)periph->softc; 1378 1379 /* 1380 * Mask interrupts so that the pack cannot be invalidated until 1381 * after we are in the queue. Otherwise, we might not properly 1382 * clean up one of the buffers. 1383 */ 1384 s = splbio(); 1385 1386 /* 1387 * If the device has been made invalid, error out 1388 */ 1389 if ((softc->flags & CD_FLAG_INVALID)) { 1390 splx(s); 1391 biofinish(bp, NULL, ENXIO); 1392 return; 1393 } 1394 1395 /* 1396 * Place it in the queue of disk activities for this disk 1397 */ 1398 bioqdisksort(&softc->bio_queue, bp); 1399 1400 splx(s); 1401 1402 /* 1403 * Schedule ourselves for performing the work. We do things 1404 * differently for changers. 1405 */ 1406 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1407 xpt_schedule(periph, /* XXX priority */1); 1408 else 1409 cdschedule(periph, /* priority */ 1); 1410 1411 return; 1412} 1413 1414static void 1415cdstart(struct cam_periph *periph, union ccb *start_ccb) 1416{ 1417 struct cd_softc *softc; 1418 struct bio *bp; 1419 struct ccb_scsiio *csio; 1420 struct scsi_read_capacity_data *rcap; 1421 int s; 1422 1423 softc = (struct cd_softc *)periph->softc; 1424 1425 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1426 1427 switch (softc->state) { 1428 case CD_STATE_NORMAL: 1429 { 1430 int oldspl; 1431 1432 s = splbio(); 1433 bp = bioq_first(&softc->bio_queue); 1434 if (periph->immediate_priority <= periph->pinfo.priority) { 1435 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1436 1437 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1438 periph_links.sle); 1439 periph->immediate_priority = CAM_PRIORITY_NONE; 1440 splx(s); 1441 wakeup(&periph->ccb_list); 1442 } else if (bp == NULL) { 1443 splx(s); 1444 xpt_release_ccb(start_ccb); 1445 } else { 1446 bioq_remove(&softc->bio_queue, bp); 1447 1448 devstat_start_transaction(&softc->device_stats); 1449 1450 scsi_read_write(&start_ccb->csio, 1451 /*retries*/4, 1452 /* cbfcnp */ cddone, 1453 (bp->bio_flags & BIO_ORDERED) != 0 ? 1454 MSG_ORDERED_Q_TAG : 1455 MSG_SIMPLE_Q_TAG, 1456 /* read */bp->bio_cmd == BIO_READ, 1457 /* byte2 */ 0, 1458 /* minimum_cmd_size */ 10, 1459 /* lba */ bp->bio_pblkno, 1460 bp->bio_bcount / softc->params.blksize, 1461 /* data_ptr */ bp->bio_data, 1462 /* dxfer_len */ bp->bio_bcount, 1463 /* sense_len */ SSD_FULL_SIZE, 1464 /* timeout */ 30000); 1465 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1466 1467 1468 /* 1469 * Block out any asyncronous callbacks 1470 * while we touch the pending ccb list. 1471 */ 1472 oldspl = splcam(); 1473 LIST_INSERT_HEAD(&softc->pending_ccbs, 1474 &start_ccb->ccb_h, periph_links.le); 1475 splx(oldspl); 1476 1477 /* We expect a unit attention from this device */ 1478 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1479 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1480 softc->flags &= ~CD_FLAG_RETRY_UA; 1481 } 1482 1483 start_ccb->ccb_h.ccb_bp = bp; 1484 bp = bioq_first(&softc->bio_queue); 1485 splx(s); 1486 1487 xpt_action(start_ccb); 1488 } 1489 if (bp != NULL) { 1490 /* Have more work to do, so ensure we stay scheduled */ 1491 xpt_schedule(periph, /* XXX priority */1); 1492 } 1493 break; 1494 } 1495 case CD_STATE_PROBE: 1496 { 1497 1498 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1499 M_TEMP, 1500 M_NOWAIT); 1501 if (rcap == NULL) { 1502 xpt_print_path(periph->path); 1503 printf("cdstart: Couldn't malloc read_capacity data\n"); 1504 /* cd_free_periph??? */ 1505 break; 1506 } 1507 csio = &start_ccb->csio; 1508 scsi_read_capacity(csio, 1509 /*retries*/1, 1510 cddone, 1511 MSG_SIMPLE_Q_TAG, 1512 rcap, 1513 SSD_FULL_SIZE, 1514 /*timeout*/20000); 1515 start_ccb->ccb_h.ccb_bp = NULL; 1516 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1517 xpt_action(start_ccb); 1518 break; 1519 } 1520 } 1521} 1522 1523static void 1524cddone(struct cam_periph *periph, union ccb *done_ccb) 1525{ 1526 struct cd_softc *softc; 1527 struct ccb_scsiio *csio; 1528 1529 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1530 1531 softc = (struct cd_softc *)periph->softc; 1532 csio = &done_ccb->csio; 1533 1534 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1535 case CD_CCB_BUFFER_IO: 1536 { 1537 struct bio *bp; 1538 int error; 1539 int oldspl; 1540 1541 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1542 error = 0; 1543 1544 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1545 int sf; 1546 1547 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1548 sf = SF_RETRY_UA; 1549 else 1550 sf = 0; 1551 1552 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1553 if (error == ERESTART) { 1554 /* 1555 * A retry was scheuled, so 1556 * just return. 1557 */ 1558 return; 1559 } 1560 } 1561 1562 if (error != 0) { 1563 int s; 1564 struct bio *q_bp; 1565 1566 xpt_print_path(periph->path); 1567 printf("cddone: got error %#x back\n", error); 1568 s = splbio(); 1569 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1570 bioq_remove(&softc->bio_queue, q_bp); 1571 q_bp->bio_resid = q_bp->bio_bcount; 1572 biofinish(q_bp, NULL, EIO); 1573 } 1574 splx(s); 1575 bp->bio_resid = bp->bio_bcount; 1576 bp->bio_error = error; 1577 bp->bio_flags |= BIO_ERROR; 1578 cam_release_devq(done_ccb->ccb_h.path, 1579 /*relsim_flags*/0, 1580 /*reduction*/0, 1581 /*timeout*/0, 1582 /*getcount_only*/0); 1583 1584 } else { 1585 bp->bio_resid = csio->resid; 1586 bp->bio_error = 0; 1587 if (bp->bio_resid != 0) { 1588 /* Short transfer ??? */ 1589 bp->bio_flags |= BIO_ERROR; 1590 } 1591 } 1592 1593 /* 1594 * Block out any asyncronous callbacks 1595 * while we touch the pending ccb list. 1596 */ 1597 oldspl = splcam(); 1598 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1599 splx(oldspl); 1600 1601 if (softc->flags & CD_FLAG_CHANGER) 1602 cdchangerschedule(softc); 1603 1604 biofinish(bp, &softc->device_stats, 0); 1605 break; 1606 } 1607 case CD_CCB_PROBE: 1608 { 1609 struct scsi_read_capacity_data *rdcap; 1610 char announce_buf[120]; /* 1611 * Currently (9/30/97) the 1612 * longest possible announce 1613 * buffer is 108 bytes, for the 1614 * first error case below. 1615 * That is 39 bytes for the 1616 * basic string, 16 bytes for the 1617 * biggest sense key (hardware 1618 * error), 52 bytes for the 1619 * text of the largest sense 1620 * qualifier valid for a CDROM, 1621 * (0x72, 0x03 or 0x04, 1622 * 0x03), and one byte for the 1623 * null terminating character. 1624 * To allow for longer strings, 1625 * the announce buffer is 120 1626 * bytes. 1627 */ 1628 struct cd_params *cdp; 1629 1630 cdp = &softc->params; 1631 1632 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1633 1634 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1635 cdp->blksize = scsi_4btoul (rdcap->length); 1636 1637 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1638 1639 snprintf(announce_buf, sizeof(announce_buf), 1640 "cd present [%lu x %lu byte records]", 1641 cdp->disksize, (u_long)cdp->blksize); 1642 1643 } else { 1644 int error; 1645 /* 1646 * Retry any UNIT ATTENTION type errors. They 1647 * are expected at boot. 1648 */ 1649 error = cderror(done_ccb, CAM_RETRY_SELTO, 1650 SF_RETRY_UA | SF_NO_PRINT); 1651 if (error == ERESTART) { 1652 /* 1653 * A retry was scheuled, so 1654 * just return. 1655 */ 1656 return; 1657 } else if (error != 0) { 1658 1659 struct scsi_sense_data *sense; 1660 int asc, ascq; 1661 int sense_key, error_code; 1662 int have_sense; 1663 cam_status status; 1664 struct ccb_getdev cgd; 1665 1666 /* Don't wedge this device's queue */ 1667 cam_release_devq(done_ccb->ccb_h.path, 1668 /*relsim_flags*/0, 1669 /*reduction*/0, 1670 /*timeout*/0, 1671 /*getcount_only*/0); 1672 1673 status = done_ccb->ccb_h.status; 1674 1675 xpt_setup_ccb(&cgd.ccb_h, 1676 done_ccb->ccb_h.path, 1677 /* priority */ 1); 1678 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1679 xpt_action((union ccb *)&cgd); 1680 1681 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1682 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1683 || ((status & CAM_AUTOSNS_VALID) == 0)) 1684 have_sense = FALSE; 1685 else 1686 have_sense = TRUE; 1687 1688 if (have_sense) { 1689 sense = &csio->sense_data; 1690 scsi_extract_sense(sense, &error_code, 1691 &sense_key, 1692 &asc, &ascq); 1693 } 1694 /* 1695 * Attach to anything that claims to be a 1696 * CDROM or WORM device, as long as it 1697 * doesn't return a "Logical unit not 1698 * supported" (0x25) error. 1699 */ 1700 if ((have_sense) && (asc != 0x25) 1701 && (error_code == SSD_CURRENT_ERROR)) { 1702 const char *sense_key_desc; 1703 const char *asc_desc; 1704 1705 scsi_sense_desc(sense_key, asc, ascq, 1706 &cgd.inq_data, 1707 &sense_key_desc, 1708 &asc_desc); 1709 snprintf(announce_buf, 1710 sizeof(announce_buf), 1711 "Attempt to query device " 1712 "size failed: %s, %s", 1713 sense_key_desc, 1714 asc_desc); 1715 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1716 /* 1717 * We only print out an error for 1718 * CDROM type devices. For WORM 1719 * devices, we don't print out an 1720 * error since a few WORM devices 1721 * don't support CDROM commands. 1722 * If we have sense information, go 1723 * ahead and print it out. 1724 * Otherwise, just say that we 1725 * couldn't attach. 1726 */ 1727 1728 /* 1729 * Just print out the error, not 1730 * the full probe message, when we 1731 * don't attach. 1732 */ 1733 if (have_sense) 1734 scsi_sense_print( 1735 &done_ccb->csio); 1736 else { 1737 xpt_print_path(periph->path); 1738 printf("got CAM status %#x\n", 1739 done_ccb->ccb_h.status); 1740 } 1741 xpt_print_path(periph->path); 1742 printf("fatal error, failed" 1743 " to attach to device\n"); 1744 1745 /* 1746 * Invalidate this peripheral. 1747 */ 1748 cam_periph_invalidate(periph); 1749 1750 announce_buf[0] = '\0'; 1751 } else { 1752 1753 /* 1754 * Invalidate this peripheral. 1755 */ 1756 cam_periph_invalidate(periph); 1757 announce_buf[0] = '\0'; 1758 } 1759 } 1760 } 1761 free(rdcap, M_TEMP); 1762 if (announce_buf[0] != '\0') { 1763 xpt_announce_periph(periph, announce_buf); 1764 if (softc->flags & CD_FLAG_CHANGER) 1765 cdchangerschedule(softc); 1766 } 1767 softc->state = CD_STATE_NORMAL; 1768 /* 1769 * Since our peripheral may be invalidated by an error 1770 * above or an external event, we must release our CCB 1771 * before releasing the probe lock on the peripheral. 1772 * The peripheral will only go away once the last lock 1773 * is removed, and we need it around for the CCB release 1774 * operation. 1775 */ 1776 xpt_release_ccb(done_ccb); 1777 cam_periph_unlock(periph); 1778 return; 1779 } 1780 case CD_CCB_WAITING: 1781 { 1782 /* Caller will release the CCB */ 1783 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1784 ("trying to wakeup ccbwait\n")); 1785 1786 wakeup(&done_ccb->ccb_h.cbfcnp); 1787 return; 1788 } 1789 default: 1790 break; 1791 } 1792 xpt_release_ccb(done_ccb); 1793} 1794 1795static int 1796cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1797{ 1798 1799 struct cam_periph *periph; 1800 struct cd_softc *softc; 1801 int error, unit; 1802 1803 unit = dkunit(dev); 1804 1805 periph = cam_extend_get(cdperiphs, unit); 1806 if (periph == NULL) 1807 return(ENXIO); 1808 1809 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1810 1811 softc = (struct cd_softc *)periph->softc; 1812 1813 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1814 ("trying to do ioctl %#lx\n", cmd)); 1815 1816 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1817 1818 if (error != 0) 1819 return(error); 1820 1821 switch (cmd) { 1822 1823 case CDIOCPLAYTRACKS: 1824 { 1825 struct ioc_play_track *args 1826 = (struct ioc_play_track *) addr; 1827 struct cd_mode_data *data; 1828 1829 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1830 M_WAITOK); 1831 1832 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1833 ("trying to do CDIOCPLAYTRACKS\n")); 1834 1835 error = cdgetmode(periph, data, AUDIO_PAGE); 1836 if (error) { 1837 free(data, M_TEMP); 1838 break; 1839 } 1840 data->page.audio.flags &= ~CD_PA_SOTC; 1841 data->page.audio.flags |= CD_PA_IMMED; 1842 error = cdsetmode(periph, data); 1843 free(data, M_TEMP); 1844 if (error) 1845 break; 1846 if (softc->quirks & CD_Q_BCD_TRACKS) { 1847 args->start_track = bin2bcd(args->start_track); 1848 args->end_track = bin2bcd(args->end_track); 1849 } 1850 error = cdplaytracks(periph, 1851 args->start_track, 1852 args->start_index, 1853 args->end_track, 1854 args->end_index); 1855 } 1856 break; 1857 case CDIOCPLAYMSF: 1858 { 1859 struct ioc_play_msf *args 1860 = (struct ioc_play_msf *) addr; 1861 struct cd_mode_data *data; 1862 1863 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1864 M_WAITOK); 1865 1866 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1867 ("trying to do CDIOCPLAYMSF\n")); 1868 1869 error = cdgetmode(periph, data, AUDIO_PAGE); 1870 if (error) { 1871 free(data, M_TEMP); 1872 break; 1873 } 1874 data->page.audio.flags &= ~CD_PA_SOTC; 1875 data->page.audio.flags |= CD_PA_IMMED; 1876 error = cdsetmode(periph, data); 1877 free(data, M_TEMP); 1878 if (error) 1879 break; 1880 error = cdplaymsf(periph, 1881 args->start_m, 1882 args->start_s, 1883 args->start_f, 1884 args->end_m, 1885 args->end_s, 1886 args->end_f); 1887 } 1888 break; 1889 case CDIOCPLAYBLOCKS: 1890 { 1891 struct ioc_play_blocks *args 1892 = (struct ioc_play_blocks *) addr; 1893 struct cd_mode_data *data; 1894 1895 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1896 ("trying to do CDIOCPLAYBLOCKS\n")); 1897 1898 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1899 M_WAITOK); 1900 1901 error = cdgetmode(periph, data, AUDIO_PAGE); 1902 if (error) { 1903 free(data, M_TEMP); 1904 break; 1905 } 1906 data->page.audio.flags &= ~CD_PA_SOTC; 1907 data->page.audio.flags |= CD_PA_IMMED; 1908 error = cdsetmode(periph, data); 1909 free(data, M_TEMP); 1910 if (error) 1911 break; 1912 error = cdplay(periph, args->blk, args->len); 1913 } 1914 break; 1915 case CDIOCREADSUBCHANNEL: 1916 { 1917 struct ioc_read_subchannel *args 1918 = (struct ioc_read_subchannel *) addr; 1919 struct cd_sub_channel_info *data; 1920 u_int32_t len = args->data_len; 1921 1922 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1923 ("trying to do CDIOCREADSUBCHANNEL\n")); 1924 1925 data = malloc(sizeof(struct cd_sub_channel_info), 1926 M_TEMP, M_WAITOK); 1927 1928 if ((len > sizeof(struct cd_sub_channel_info)) || 1929 (len < sizeof(struct cd_sub_channel_header))) { 1930 printf( 1931 "scsi_cd: cdioctl: " 1932 "cdioreadsubchannel: error, len=%d\n", 1933 len); 1934 error = EINVAL; 1935 free(data, M_TEMP); 1936 break; 1937 } 1938 1939 if (softc->quirks & CD_Q_BCD_TRACKS) 1940 args->track = bin2bcd(args->track); 1941 1942 error = cdreadsubchannel(periph, args->address_format, 1943 args->data_format, args->track, data, len); 1944 1945 if (error) { 1946 free(data, M_TEMP); 1947 break; 1948 } 1949 if (softc->quirks & CD_Q_BCD_TRACKS) 1950 data->what.track_info.track_number = 1951 bcd2bin(data->what.track_info.track_number); 1952 len = min(len, ((data->header.data_len[0] << 8) + 1953 data->header.data_len[1] + 1954 sizeof(struct cd_sub_channel_header))); 1955 if (copyout(data, args->data, len) != 0) { 1956 error = EFAULT; 1957 } 1958 free(data, M_TEMP); 1959 } 1960 break; 1961 1962 case CDIOREADTOCHEADER: 1963 { 1964 struct ioc_toc_header *th; 1965 1966 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1967 ("trying to do CDIOREADTOCHEADER\n")); 1968 1969 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1970 M_WAITOK); 1971 error = cdreadtoc(periph, 0, 0, 1972 (struct cd_toc_entry *)th, 1973 sizeof (*th)); 1974 if (error) { 1975 free(th, M_TEMP); 1976 break; 1977 } 1978 if (softc->quirks & CD_Q_BCD_TRACKS) { 1979 /* we are going to have to convert the BCD 1980 * encoding on the cd to what is expected 1981 */ 1982 th->starting_track = 1983 bcd2bin(th->starting_track); 1984 th->ending_track = bcd2bin(th->ending_track); 1985 } 1986 NTOHS(th->len); 1987 bcopy(th, addr, sizeof(*th)); 1988 free(th, M_TEMP); 1989 } 1990 break; 1991 case CDIOREADTOCENTRYS: 1992 { 1993 typedef struct { 1994 struct ioc_toc_header header; 1995 struct cd_toc_entry entries[100]; 1996 } data_t; 1997 typedef struct { 1998 struct ioc_toc_header header; 1999 struct cd_toc_entry entry; 2000 } lead_t; 2001 2002 data_t *data; 2003 lead_t *lead; 2004 struct ioc_read_toc_entry *te = 2005 (struct ioc_read_toc_entry *) addr; 2006 struct ioc_toc_header *th; 2007 u_int32_t len, readlen, idx, num; 2008 u_int32_t starting_track = te->starting_track; 2009 2010 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2011 ("trying to do CDIOREADTOCENTRYS\n")); 2012 2013 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2014 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2015 2016 if (te->data_len < sizeof(struct cd_toc_entry) 2017 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2018 || (te->address_format != CD_MSF_FORMAT 2019 && te->address_format != CD_LBA_FORMAT)) { 2020 error = EINVAL; 2021 printf("scsi_cd: error in readtocentries, " 2022 "returning EINVAL\n"); 2023 free(data, M_TEMP); 2024 free(lead, M_TEMP); 2025 break; 2026 } 2027 2028 th = &data->header; 2029 error = cdreadtoc(periph, 0, 0, 2030 (struct cd_toc_entry *)th, 2031 sizeof (*th)); 2032 if (error) { 2033 free(data, M_TEMP); 2034 free(lead, M_TEMP); 2035 break; 2036 } 2037 2038 if (softc->quirks & CD_Q_BCD_TRACKS) { 2039 /* we are going to have to convert the BCD 2040 * encoding on the cd to what is expected 2041 */ 2042 th->starting_track = 2043 bcd2bin(th->starting_track); 2044 th->ending_track = bcd2bin(th->ending_track); 2045 } 2046 2047 if (starting_track == 0) 2048 starting_track = th->starting_track; 2049 else if (starting_track == LEADOUT) 2050 starting_track = th->ending_track + 1; 2051 else if (starting_track < th->starting_track || 2052 starting_track > th->ending_track + 1) { 2053 printf("scsi_cd: error in readtocentries, " 2054 "returning EINVAL\n"); 2055 free(data, M_TEMP); 2056 free(lead, M_TEMP); 2057 error = EINVAL; 2058 break; 2059 } 2060 2061 /* calculate reading length without leadout entry */ 2062 readlen = (th->ending_track - starting_track + 1) * 2063 sizeof(struct cd_toc_entry); 2064 2065 /* and with leadout entry */ 2066 len = readlen + sizeof(struct cd_toc_entry); 2067 if (te->data_len < len) { 2068 len = te->data_len; 2069 if (readlen > len) 2070 readlen = len; 2071 } 2072 if (len > sizeof(data->entries)) { 2073 printf("scsi_cd: error in readtocentries, " 2074 "returning EINVAL\n"); 2075 error = EINVAL; 2076 free(data, M_TEMP); 2077 free(lead, M_TEMP); 2078 break; 2079 } 2080 num = len / sizeof(struct cd_toc_entry); 2081 2082 if (readlen > 0) { 2083 error = cdreadtoc(periph, te->address_format, 2084 starting_track, 2085 (struct cd_toc_entry *)data, 2086 readlen + sizeof (*th)); 2087 if (error) { 2088 free(data, M_TEMP); 2089 free(lead, M_TEMP); 2090 break; 2091 } 2092 } 2093 2094 /* make leadout entry if needed */ 2095 idx = starting_track + num - 1; 2096 if (softc->quirks & CD_Q_BCD_TRACKS) 2097 th->ending_track = bcd2bin(th->ending_track); 2098 if (idx == th->ending_track + 1) { 2099 error = cdreadtoc(periph, te->address_format, 2100 LEADOUT, 2101 (struct cd_toc_entry *)lead, 2102 sizeof(*lead)); 2103 if (error) { 2104 free(data, M_TEMP); 2105 free(lead, M_TEMP); 2106 break; 2107 } 2108 data->entries[idx - starting_track] = 2109 lead->entry; 2110 } 2111 if (softc->quirks & CD_Q_BCD_TRACKS) { 2112 for (idx = 0; idx < num - 1; idx++) { 2113 data->entries[idx].track = 2114 bcd2bin(data->entries[idx].track); 2115 } 2116 } 2117 2118 error = copyout(data->entries, te->data, len); 2119 free(data, M_TEMP); 2120 free(lead, M_TEMP); 2121 } 2122 break; 2123 case CDIOREADTOCENTRY: 2124 { 2125 /* yeah yeah, this is ugly */ 2126 typedef struct { 2127 struct ioc_toc_header header; 2128 struct cd_toc_entry entry; 2129 } data_t; 2130 2131 data_t *data; 2132 struct ioc_read_toc_single_entry *te = 2133 (struct ioc_read_toc_single_entry *) addr; 2134 struct ioc_toc_header *th; 2135 u_int32_t track; 2136 2137 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2138 ("trying to do CDIOREADTOCENTRY\n")); 2139 2140 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2141 2142 if (te->address_format != CD_MSF_FORMAT 2143 && te->address_format != CD_LBA_FORMAT) { 2144 printf("error in readtocentry, " 2145 " returning EINVAL\n"); 2146 free(data, M_TEMP); 2147 error = EINVAL; 2148 break; 2149 } 2150 2151 th = &data->header; 2152 error = cdreadtoc(periph, 0, 0, 2153 (struct cd_toc_entry *)th, 2154 sizeof (*th)); 2155 if (error) { 2156 free(data, M_TEMP); 2157 break; 2158 } 2159 2160 if (softc->quirks & CD_Q_BCD_TRACKS) { 2161 /* we are going to have to convert the BCD 2162 * encoding on the cd to what is expected 2163 */ 2164 th->starting_track = 2165 bcd2bin(th->starting_track); 2166 th->ending_track = bcd2bin(th->ending_track); 2167 } 2168 track = te->track; 2169 if (track == 0) 2170 track = th->starting_track; 2171 else if (track == LEADOUT) 2172 /* OK */; 2173 else if (track < th->starting_track || 2174 track > th->ending_track + 1) { 2175 printf("error in readtocentry, " 2176 " returning EINVAL\n"); 2177 free(data, M_TEMP); 2178 error = EINVAL; 2179 break; 2180 } 2181 2182 error = cdreadtoc(periph, te->address_format, track, 2183 (struct cd_toc_entry *)data, 2184 sizeof(data_t)); 2185 if (error) { 2186 free(data, M_TEMP); 2187 break; 2188 } 2189 2190 if (softc->quirks & CD_Q_BCD_TRACKS) 2191 data->entry.track = bcd2bin(data->entry.track); 2192 bcopy(&data->entry, &te->entry, 2193 sizeof(struct cd_toc_entry)); 2194 free(data, M_TEMP); 2195 } 2196 break; 2197 case CDIOCSETPATCH: 2198 { 2199 struct ioc_patch *arg = (struct ioc_patch *) addr; 2200 struct cd_mode_data *data; 2201 2202 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2203 ("trying to do CDIOCSETPATCH\n")); 2204 2205 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2206 M_WAITOK); 2207 error = cdgetmode(periph, data, AUDIO_PAGE); 2208 if (error) { 2209 free(data, M_TEMP); 2210 break; 2211 } 2212 data->page.audio.port[LEFT_PORT].channels = 2213 arg->patch[0]; 2214 data->page.audio.port[RIGHT_PORT].channels = 2215 arg->patch[1]; 2216 data->page.audio.port[2].channels = arg->patch[2]; 2217 data->page.audio.port[3].channels = arg->patch[3]; 2218 error = cdsetmode(periph, data); 2219 free(data, M_TEMP); 2220 } 2221 break; 2222 case CDIOCGETVOL: 2223 { 2224 struct ioc_vol *arg = (struct ioc_vol *) addr; 2225 struct cd_mode_data *data; 2226 2227 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2228 ("trying to do CDIOCGETVOL\n")); 2229 2230 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2231 M_WAITOK); 2232 error = cdgetmode(periph, data, AUDIO_PAGE); 2233 if (error) { 2234 free(data, M_TEMP); 2235 break; 2236 } 2237 arg->vol[LEFT_PORT] = 2238 data->page.audio.port[LEFT_PORT].volume; 2239 arg->vol[RIGHT_PORT] = 2240 data->page.audio.port[RIGHT_PORT].volume; 2241 arg->vol[2] = data->page.audio.port[2].volume; 2242 arg->vol[3] = data->page.audio.port[3].volume; 2243 free(data, M_TEMP); 2244 } 2245 break; 2246 case CDIOCSETVOL: 2247 { 2248 struct ioc_vol *arg = (struct ioc_vol *) addr; 2249 struct cd_mode_data *data; 2250 2251 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2252 ("trying to do CDIOCSETVOL\n")); 2253 2254 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2255 M_WAITOK); 2256 error = cdgetmode(periph, data, AUDIO_PAGE); 2257 if (error) { 2258 free(data, M_TEMP); 2259 break; 2260 } 2261 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2262 data->page.audio.port[LEFT_PORT].volume = 2263 arg->vol[LEFT_PORT]; 2264 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2265 data->page.audio.port[RIGHT_PORT].volume = 2266 arg->vol[RIGHT_PORT]; 2267 data->page.audio.port[2].volume = arg->vol[2]; 2268 data->page.audio.port[3].volume = arg->vol[3]; 2269 error = cdsetmode(periph, data); 2270 free(data, M_TEMP); 2271 } 2272 break; 2273 case CDIOCSETMONO: 2274 { 2275 struct cd_mode_data *data; 2276 2277 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2278 ("trying to do CDIOCSETMONO\n")); 2279 2280 data = malloc(sizeof(struct cd_mode_data), 2281 M_TEMP, M_WAITOK); 2282 error = cdgetmode(periph, data, AUDIO_PAGE); 2283 if (error) { 2284 free(data, M_TEMP); 2285 break; 2286 } 2287 data->page.audio.port[LEFT_PORT].channels = 2288 LEFT_CHANNEL | RIGHT_CHANNEL; 2289 data->page.audio.port[RIGHT_PORT].channels = 2290 LEFT_CHANNEL | RIGHT_CHANNEL; 2291 data->page.audio.port[2].channels = 0; 2292 data->page.audio.port[3].channels = 0; 2293 error = cdsetmode(periph, data); 2294 free(data, M_TEMP); 2295 } 2296 break; 2297 case CDIOCSETSTEREO: 2298 { 2299 struct cd_mode_data *data; 2300 2301 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2302 ("trying to do CDIOCSETSTEREO\n")); 2303 2304 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2305 M_WAITOK); 2306 error = cdgetmode(periph, data, AUDIO_PAGE); 2307 if (error) { 2308 free(data, M_TEMP); 2309 break; 2310 } 2311 data->page.audio.port[LEFT_PORT].channels = 2312 LEFT_CHANNEL; 2313 data->page.audio.port[RIGHT_PORT].channels = 2314 RIGHT_CHANNEL; 2315 data->page.audio.port[2].channels = 0; 2316 data->page.audio.port[3].channels = 0; 2317 error = cdsetmode(periph, data); 2318 free(data, M_TEMP); 2319 } 2320 break; 2321 case CDIOCSETMUTE: 2322 { 2323 struct cd_mode_data *data; 2324 2325 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2326 ("trying to do CDIOCSETMUTE\n")); 2327 2328 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2329 M_WAITOK); 2330 error = cdgetmode(periph, data, AUDIO_PAGE); 2331 if (error) { 2332 free(data, M_TEMP); 2333 break; 2334 } 2335 data->page.audio.port[LEFT_PORT].channels = 0; 2336 data->page.audio.port[RIGHT_PORT].channels = 0; 2337 data->page.audio.port[2].channels = 0; 2338 data->page.audio.port[3].channels = 0; 2339 error = cdsetmode(periph, data); 2340 free(data, M_TEMP); 2341 } 2342 break; 2343 case CDIOCSETLEFT: 2344 { 2345 struct cd_mode_data *data; 2346 2347 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2348 ("trying to do CDIOCSETLEFT\n")); 2349 2350 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2351 M_WAITOK); 2352 error = cdgetmode(periph, data, AUDIO_PAGE); 2353 if (error) { 2354 free(data, M_TEMP); 2355 break; 2356 } 2357 data->page.audio.port[LEFT_PORT].channels = 2358 LEFT_CHANNEL; 2359 data->page.audio.port[RIGHT_PORT].channels = 2360 LEFT_CHANNEL; 2361 data->page.audio.port[2].channels = 0; 2362 data->page.audio.port[3].channels = 0; 2363 error = cdsetmode(periph, data); 2364 free(data, M_TEMP); 2365 } 2366 break; 2367 case CDIOCSETRIGHT: 2368 { 2369 struct cd_mode_data *data; 2370 2371 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2372 ("trying to do CDIOCSETRIGHT\n")); 2373 2374 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2375 M_WAITOK); 2376 error = cdgetmode(periph, data, AUDIO_PAGE); 2377 if (error) { 2378 free(data, M_TEMP); 2379 break; 2380 } 2381 data->page.audio.port[LEFT_PORT].channels = 2382 RIGHT_CHANNEL; 2383 data->page.audio.port[RIGHT_PORT].channels = 2384 RIGHT_CHANNEL; 2385 data->page.audio.port[2].channels = 0; 2386 data->page.audio.port[3].channels = 0; 2387 error = cdsetmode(periph, data); 2388 free(data, M_TEMP); 2389 } 2390 break; 2391 case CDIOCRESUME: 2392 error = cdpause(periph, 1); 2393 break; 2394 case CDIOCPAUSE: 2395 error = cdpause(periph, 0); 2396 break; 2397 case CDIOCSTART: 2398 error = cdstartunit(periph); 2399 break; 2400 case CDIOCSTOP: 2401 error = cdstopunit(periph, 0); 2402 break; 2403 case CDIOCEJECT: 2404 error = cdstopunit(periph, 1); 2405 break; 2406 case CDIOCALLOW: 2407 cdprevent(periph, PR_ALLOW); 2408 break; 2409 case CDIOCPREVENT: 2410 cdprevent(periph, PR_PREVENT); 2411 break; 2412 case CDIOCSETDEBUG: 2413 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2414 error = ENOTTY; 2415 break; 2416 case CDIOCCLRDEBUG: 2417 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2418 error = ENOTTY; 2419 break; 2420 case CDIOCRESET: 2421 /* return (cd_reset(periph)); */ 2422 error = ENOTTY; 2423 break; 2424 case DVDIOCSENDKEY: 2425 case DVDIOCREPORTKEY: { 2426 struct dvd_authinfo *authinfo; 2427 2428 authinfo = (struct dvd_authinfo *)addr; 2429 2430 if (cmd == DVDIOCREPORTKEY) 2431 error = cdreportkey(periph, authinfo); 2432 else 2433 error = cdsendkey(periph, authinfo); 2434 break; 2435 } 2436 case DVDIOCREADSTRUCTURE: { 2437 struct dvd_struct *dvdstruct; 2438 2439 dvdstruct = (struct dvd_struct *)addr; 2440 2441 error = cdreaddvdstructure(periph, dvdstruct); 2442 2443 break; 2444 } 2445 default: 2446 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2447 break; 2448 } 2449 2450 cam_periph_unlock(periph); 2451 2452 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2453 2454 return (error); 2455} 2456 2457static void 2458cdprevent(struct cam_periph *periph, int action) 2459{ 2460 union ccb *ccb; 2461 struct cd_softc *softc; 2462 int error; 2463 2464 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2465 2466 softc = (struct cd_softc *)periph->softc; 2467 2468 if (((action == PR_ALLOW) 2469 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2470 || ((action == PR_PREVENT) 2471 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2472 return; 2473 } 2474 2475 ccb = cdgetccb(periph, /* priority */ 1); 2476 2477 scsi_prevent(&ccb->csio, 2478 /*retries*/ 1, 2479 cddone, 2480 MSG_SIMPLE_Q_TAG, 2481 action, 2482 SSD_FULL_SIZE, 2483 /* timeout */60000); 2484 2485 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2486 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2487 2488 xpt_release_ccb(ccb); 2489 2490 if (error == 0) { 2491 if (action == PR_ALLOW) 2492 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2493 else 2494 softc->flags |= CD_FLAG_DISC_LOCKED; 2495 } 2496} 2497 2498static int 2499cdsize(dev_t dev, u_int32_t *size) 2500{ 2501 struct cam_periph *periph; 2502 struct cd_softc *softc; 2503 union ccb *ccb; 2504 struct scsi_read_capacity_data *rcap_buf; 2505 int error; 2506 2507 periph = cam_extend_get(cdperiphs, dkunit(dev)); 2508 2509 if (periph == NULL) 2510 return (ENXIO); 2511 2512 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2513 2514 softc = (struct cd_softc *)periph->softc; 2515 2516 ccb = cdgetccb(periph, /* priority */ 1); 2517 2518 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2519 M_TEMP, M_WAITOK); 2520 2521 scsi_read_capacity(&ccb->csio, 2522 /*retries*/ 1, 2523 cddone, 2524 MSG_SIMPLE_Q_TAG, 2525 rcap_buf, 2526 SSD_FULL_SIZE, 2527 /* timeout */20000); 2528 2529 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2530 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2531 2532 xpt_release_ccb(ccb); 2533 2534 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2535 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2536 /* 2537 * SCSI-3 mandates that the reported blocksize shall be 2048. 2538 * Older drives sometimes report funny values, trim it down to 2539 * 2048, or other parts of the kernel will get confused. 2540 * 2541 * XXX we leave drives alone that might report 512 bytes, as 2542 * well as drives reporting more weird sizes like perhaps 4K. 2543 */ 2544 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2545 softc->params.blksize = 2048; 2546 2547 free(rcap_buf, M_TEMP); 2548 *size = softc->params.disksize; 2549 2550 return (error); 2551 2552} 2553 2554/* 2555 * The idea here is to try to figure out whether the first track is data or 2556 * audio. If it is data, we can at least attempt to read a disklabel off 2557 * the first sector of the disk. If it is audio, there won't be a 2558 * disklabel. 2559 * 2560 * This routine returns 0 if the first track is data, and non-zero if there 2561 * is an error or the first track is audio. (If either non-zero case, we 2562 * should not attempt to read the disklabel.) 2563 */ 2564static int 2565cdfirsttrackisdata(struct cam_periph *periph) 2566{ 2567 struct cdtocdata { 2568 struct ioc_toc_header header; 2569 struct cd_toc_entry entries[100]; 2570 }; 2571 struct cd_softc *softc; 2572 struct ioc_toc_header *th; 2573 struct cdtocdata *data; 2574 int num_entries, i; 2575 int error, first_track_audio; 2576 2577 error = 0; 2578 first_track_audio = -1; 2579 2580 softc = (struct cd_softc *)periph->softc; 2581 2582 data = malloc(sizeof(struct cdtocdata), M_TEMP, M_WAITOK); 2583 2584 th = &data->header; 2585 error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)data, 2586 sizeof(*data)); 2587 2588 if (error) 2589 goto bailout; 2590 2591 if (softc->quirks & CD_Q_BCD_TRACKS) { 2592 /* we are going to have to convert the BCD 2593 * encoding on the cd to what is expected 2594 */ 2595 th->starting_track = 2596 bcd2bin(th->starting_track); 2597 th->ending_track = bcd2bin(th->ending_track); 2598 } 2599 th->len = scsi_2btoul((u_int8_t *)&th->len); 2600 2601 if ((th->len - 2) > 0) 2602 num_entries = (th->len - 2) / sizeof(struct cd_toc_entry); 2603 else 2604 num_entries = 0; 2605 2606 for (i = 0; i < num_entries; i++) { 2607 if (data->entries[i].track == th->starting_track) { 2608 if (data->entries[i].control & 0x4) 2609 first_track_audio = 0; 2610 else 2611 first_track_audio = 1; 2612 break; 2613 } 2614 } 2615 2616 if (first_track_audio == -1) 2617 error = ENOENT; 2618 else if (first_track_audio == 1) 2619 error = EINVAL; 2620 else 2621 error = 0; 2622bailout: 2623 free(data, M_TEMP); 2624 2625 return(error); 2626} 2627 2628static int 2629cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2630{ 2631 struct cd_softc *softc; 2632 struct cam_periph *periph; 2633 2634 periph = xpt_path_periph(ccb->ccb_h.path); 2635 softc = (struct cd_softc *)periph->softc; 2636 2637 /* 2638 * XXX 2639 * Until we have a better way of doing pack validation, 2640 * don't treat UAs as errors. 2641 */ 2642 sense_flags |= SF_RETRY_UA; 2643 return (cam_periph_error(ccb, cam_flags, sense_flags, 2644 &softc->saved_ccb)); 2645} 2646 2647/* 2648 * Read table of contents 2649 */ 2650static int 2651cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2652 struct cd_toc_entry *data, u_int32_t len) 2653{ 2654 struct scsi_read_toc *scsi_cmd; 2655 u_int32_t ntoc; 2656 struct ccb_scsiio *csio; 2657 union ccb *ccb; 2658 int error; 2659 2660 ntoc = len; 2661 error = 0; 2662 2663 ccb = cdgetccb(periph, /* priority */ 1); 2664 2665 csio = &ccb->csio; 2666 2667 cam_fill_csio(csio, 2668 /* retries */ 1, 2669 /* cbfcnp */ cddone, 2670 /* flags */ CAM_DIR_IN, 2671 /* tag_action */ MSG_SIMPLE_Q_TAG, 2672 /* data_ptr */ (u_int8_t *)data, 2673 /* dxfer_len */ len, 2674 /* sense_len */ SSD_FULL_SIZE, 2675 sizeof(struct scsi_read_toc), 2676 /* timeout */ 50000); 2677 2678 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2679 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2680 2681 if (mode == CD_MSF_FORMAT) 2682 scsi_cmd->byte2 |= CD_MSF; 2683 scsi_cmd->from_track = start; 2684 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2685 scsi_cmd->data_len[0] = (ntoc) >> 8; 2686 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2687 2688 scsi_cmd->op_code = READ_TOC; 2689 2690 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2691 /*sense_flags*/SF_RETRY_UA); 2692 2693 xpt_release_ccb(ccb); 2694 2695 return(error); 2696} 2697 2698static int 2699cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2700 u_int32_t format, int track, 2701 struct cd_sub_channel_info *data, u_int32_t len) 2702{ 2703 struct scsi_read_subchannel *scsi_cmd; 2704 struct ccb_scsiio *csio; 2705 union ccb *ccb; 2706 int error; 2707 2708 error = 0; 2709 2710 ccb = cdgetccb(periph, /* priority */ 1); 2711 2712 csio = &ccb->csio; 2713 2714 cam_fill_csio(csio, 2715 /* retries */ 1, 2716 /* cbfcnp */ cddone, 2717 /* flags */ CAM_DIR_IN, 2718 /* tag_action */ MSG_SIMPLE_Q_TAG, 2719 /* data_ptr */ (u_int8_t *)data, 2720 /* dxfer_len */ len, 2721 /* sense_len */ SSD_FULL_SIZE, 2722 sizeof(struct scsi_read_subchannel), 2723 /* timeout */ 50000); 2724 2725 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2726 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2727 2728 scsi_cmd->op_code = READ_SUBCHANNEL; 2729 if (mode == CD_MSF_FORMAT) 2730 scsi_cmd->byte1 |= CD_MSF; 2731 scsi_cmd->byte2 = SRS_SUBQ; 2732 scsi_cmd->subchan_format = format; 2733 scsi_cmd->track = track; 2734 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2735 scsi_cmd->control = 0; 2736 2737 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2738 /*sense_flags*/SF_RETRY_UA); 2739 2740 xpt_release_ccb(ccb); 2741 2742 return(error); 2743} 2744 2745 2746static int 2747cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2748{ 2749 struct scsi_mode_sense_6 *scsi_cmd; 2750 struct ccb_scsiio *csio; 2751 union ccb *ccb; 2752 int error; 2753 2754 ccb = cdgetccb(periph, /* priority */ 1); 2755 2756 csio = &ccb->csio; 2757 2758 bzero(data, sizeof(*data)); 2759 cam_fill_csio(csio, 2760 /* retries */ 1, 2761 /* cbfcnp */ cddone, 2762 /* flags */ CAM_DIR_IN, 2763 /* tag_action */ MSG_SIMPLE_Q_TAG, 2764 /* data_ptr */ (u_int8_t *)data, 2765 /* dxfer_len */ sizeof(*data), 2766 /* sense_len */ SSD_FULL_SIZE, 2767 sizeof(struct scsi_mode_sense_6), 2768 /* timeout */ 50000); 2769 2770 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2771 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2772 2773 scsi_cmd->page = page; 2774 scsi_cmd->length = sizeof(*data) & 0xff; 2775 scsi_cmd->opcode = MODE_SENSE; 2776 2777 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2778 /*sense_flags*/SF_RETRY_UA); 2779 2780 xpt_release_ccb(ccb); 2781 2782 return(error); 2783} 2784 2785static int 2786cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2787{ 2788 struct scsi_mode_select_6 *scsi_cmd; 2789 struct ccb_scsiio *csio; 2790 union ccb *ccb; 2791 int error; 2792 2793 ccb = cdgetccb(periph, /* priority */ 1); 2794 2795 csio = &ccb->csio; 2796 2797 error = 0; 2798 2799 cam_fill_csio(csio, 2800 /* retries */ 1, 2801 /* cbfcnp */ cddone, 2802 /* flags */ CAM_DIR_OUT, 2803 /* tag_action */ MSG_SIMPLE_Q_TAG, 2804 /* data_ptr */ (u_int8_t *)data, 2805 /* dxfer_len */ sizeof(*data), 2806 /* sense_len */ SSD_FULL_SIZE, 2807 sizeof(struct scsi_mode_select_6), 2808 /* timeout */ 50000); 2809 2810 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2811 2812 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2813 scsi_cmd->opcode = MODE_SELECT; 2814 scsi_cmd->byte2 |= SMS_PF; 2815 scsi_cmd->length = sizeof(*data) & 0xff; 2816 data->header.data_length = 0; 2817 /* 2818 * SONY drives do not allow a mode select with a medium_type 2819 * value that has just been returned by a mode sense; use a 2820 * medium_type of 0 (Default) instead. 2821 */ 2822 data->header.medium_type = 0; 2823 2824 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2825 /*sense_flags*/SF_RETRY_UA); 2826 2827 xpt_release_ccb(ccb); 2828 2829 return(error); 2830} 2831 2832 2833static int 2834cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2835{ 2836 struct ccb_scsiio *csio; 2837 union ccb *ccb; 2838 int error; 2839 u_int8_t cdb_len; 2840 2841 error = 0; 2842 ccb = cdgetccb(periph, /* priority */ 1); 2843 csio = &ccb->csio; 2844 /* 2845 * Use the smallest possible command to perform the operation. 2846 */ 2847 if ((len & 0xffff0000) == 0) { 2848 /* 2849 * We can fit in a 10 byte cdb. 2850 */ 2851 struct scsi_play_10 *scsi_cmd; 2852 2853 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2854 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2855 scsi_cmd->op_code = PLAY_10; 2856 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2857 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2858 cdb_len = sizeof(*scsi_cmd); 2859 } else { 2860 struct scsi_play_12 *scsi_cmd; 2861 2862 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2863 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2864 scsi_cmd->op_code = PLAY_12; 2865 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2866 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2867 cdb_len = sizeof(*scsi_cmd); 2868 } 2869 cam_fill_csio(csio, 2870 /*retries*/2, 2871 cddone, 2872 /*flags*/CAM_DIR_NONE, 2873 MSG_SIMPLE_Q_TAG, 2874 /*dataptr*/NULL, 2875 /*datalen*/0, 2876 /*sense_len*/SSD_FULL_SIZE, 2877 cdb_len, 2878 /*timeout*/50 * 1000); 2879 2880 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2881 /*sense_flags*/SF_RETRY_UA); 2882 2883 xpt_release_ccb(ccb); 2884 2885 return(error); 2886} 2887 2888static int 2889cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2890 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2891{ 2892 struct scsi_play_msf *scsi_cmd; 2893 struct ccb_scsiio *csio; 2894 union ccb *ccb; 2895 int error; 2896 2897 error = 0; 2898 2899 ccb = cdgetccb(periph, /* priority */ 1); 2900 2901 csio = &ccb->csio; 2902 2903 cam_fill_csio(csio, 2904 /* retries */ 1, 2905 /* cbfcnp */ cddone, 2906 /* flags */ CAM_DIR_NONE, 2907 /* tag_action */ MSG_SIMPLE_Q_TAG, 2908 /* data_ptr */ NULL, 2909 /* dxfer_len */ 0, 2910 /* sense_len */ SSD_FULL_SIZE, 2911 sizeof(struct scsi_play_msf), 2912 /* timeout */ 50000); 2913 2914 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2915 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2916 2917 scsi_cmd->op_code = PLAY_MSF; 2918 scsi_cmd->start_m = startm; 2919 scsi_cmd->start_s = starts; 2920 scsi_cmd->start_f = startf; 2921 scsi_cmd->end_m = endm; 2922 scsi_cmd->end_s = ends; 2923 scsi_cmd->end_f = endf; 2924 2925 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2926 /*sense_flags*/SF_RETRY_UA); 2927 2928 xpt_release_ccb(ccb); 2929 2930 return(error); 2931} 2932 2933 2934static int 2935cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2936 u_int32_t etrack, u_int32_t eindex) 2937{ 2938 struct scsi_play_track *scsi_cmd; 2939 struct ccb_scsiio *csio; 2940 union ccb *ccb; 2941 int error; 2942 2943 error = 0; 2944 2945 ccb = cdgetccb(periph, /* priority */ 1); 2946 2947 csio = &ccb->csio; 2948 2949 cam_fill_csio(csio, 2950 /* retries */ 1, 2951 /* cbfcnp */ cddone, 2952 /* flags */ CAM_DIR_NONE, 2953 /* tag_action */ MSG_SIMPLE_Q_TAG, 2954 /* data_ptr */ NULL, 2955 /* dxfer_len */ 0, 2956 /* sense_len */ SSD_FULL_SIZE, 2957 sizeof(struct scsi_play_track), 2958 /* timeout */ 50000); 2959 2960 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2961 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2962 2963 scsi_cmd->op_code = PLAY_TRACK; 2964 scsi_cmd->start_track = strack; 2965 scsi_cmd->start_index = sindex; 2966 scsi_cmd->end_track = etrack; 2967 scsi_cmd->end_index = eindex; 2968 2969 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2970 /*sense_flags*/SF_RETRY_UA); 2971 2972 xpt_release_ccb(ccb); 2973 2974 return(error); 2975} 2976 2977static int 2978cdpause(struct cam_periph *periph, u_int32_t go) 2979{ 2980 struct scsi_pause *scsi_cmd; 2981 struct ccb_scsiio *csio; 2982 union ccb *ccb; 2983 int error; 2984 2985 error = 0; 2986 2987 ccb = cdgetccb(periph, /* priority */ 1); 2988 2989 csio = &ccb->csio; 2990 2991 cam_fill_csio(csio, 2992 /* retries */ 1, 2993 /* cbfcnp */ cddone, 2994 /* flags */ CAM_DIR_NONE, 2995 /* tag_action */ MSG_SIMPLE_Q_TAG, 2996 /* data_ptr */ NULL, 2997 /* dxfer_len */ 0, 2998 /* sense_len */ SSD_FULL_SIZE, 2999 sizeof(struct scsi_pause), 3000 /* timeout */ 50000); 3001 3002 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3003 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3004 3005 scsi_cmd->op_code = PAUSE; 3006 scsi_cmd->resume = go; 3007 3008 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3009 /*sense_flags*/SF_RETRY_UA); 3010 3011 xpt_release_ccb(ccb); 3012 3013 return(error); 3014} 3015 3016static int 3017cdstartunit(struct cam_periph *periph) 3018{ 3019 union ccb *ccb; 3020 int error; 3021 3022 error = 0; 3023 3024 ccb = cdgetccb(periph, /* priority */ 1); 3025 3026 scsi_start_stop(&ccb->csio, 3027 /* retries */ 1, 3028 /* cbfcnp */ cddone, 3029 /* tag_action */ MSG_SIMPLE_Q_TAG, 3030 /* start */ TRUE, 3031 /* load_eject */ FALSE, 3032 /* immediate */ FALSE, 3033 /* sense_len */ SSD_FULL_SIZE, 3034 /* timeout */ 50000); 3035 3036 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3037 /*sense_flags*/SF_RETRY_UA); 3038 3039 xpt_release_ccb(ccb); 3040 3041 return(error); 3042} 3043 3044static int 3045cdstopunit(struct cam_periph *periph, u_int32_t eject) 3046{ 3047 union ccb *ccb; 3048 int error; 3049 3050 error = 0; 3051 3052 ccb = cdgetccb(periph, /* priority */ 1); 3053 3054 scsi_start_stop(&ccb->csio, 3055 /* retries */ 1, 3056 /* cbfcnp */ cddone, 3057 /* tag_action */ MSG_SIMPLE_Q_TAG, 3058 /* start */ FALSE, 3059 /* load_eject */ eject, 3060 /* immediate */ FALSE, 3061 /* sense_len */ SSD_FULL_SIZE, 3062 /* timeout */ 50000); 3063 3064 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3065 /*sense_flags*/SF_RETRY_UA); 3066 3067 xpt_release_ccb(ccb); 3068 3069 return(error); 3070} 3071 3072static int 3073cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3074{ 3075 union ccb *ccb; 3076 u_int8_t *databuf; 3077 u_int32_t lba; 3078 int error; 3079 int length; 3080 3081 error = 0; 3082 databuf = NULL; 3083 lba = 0; 3084 3085 ccb = cdgetccb(periph, /* priority */ 1); 3086 3087 switch (authinfo->format) { 3088 case DVD_REPORT_AGID: 3089 length = sizeof(struct scsi_report_key_data_agid); 3090 break; 3091 case DVD_REPORT_CHALLENGE: 3092 length = sizeof(struct scsi_report_key_data_challenge); 3093 break; 3094 case DVD_REPORT_KEY1: 3095 length = sizeof(struct scsi_report_key_data_key1_key2); 3096 break; 3097 case DVD_REPORT_TITLE_KEY: 3098 length = sizeof(struct scsi_report_key_data_title); 3099 /* The lba field is only set for the title key */ 3100 lba = authinfo->lba; 3101 break; 3102 case DVD_REPORT_ASF: 3103 length = sizeof(struct scsi_report_key_data_asf); 3104 break; 3105 case DVD_REPORT_RPC: 3106 length = sizeof(struct scsi_report_key_data_rpc); 3107 break; 3108 case DVD_INVALIDATE_AGID: 3109 length = 0; 3110 break; 3111 default: 3112 error = EINVAL; 3113 goto bailout; 3114 break; /* NOTREACHED */ 3115 } 3116 3117 if (length != 0) { 3118 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3119 } else 3120 databuf = NULL; 3121 3122 3123 scsi_report_key(&ccb->csio, 3124 /* retries */ 1, 3125 /* cbfcnp */ cddone, 3126 /* tag_action */ MSG_SIMPLE_Q_TAG, 3127 /* lba */ lba, 3128 /* agid */ authinfo->agid, 3129 /* key_format */ authinfo->format, 3130 /* data_ptr */ databuf, 3131 /* dxfer_len */ length, 3132 /* sense_len */ SSD_FULL_SIZE, 3133 /* timeout */ 50000); 3134 3135 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3136 /*sense_flags*/SF_RETRY_UA); 3137 3138 if (error != 0) 3139 goto bailout; 3140 3141 if (ccb->csio.resid != 0) { 3142 xpt_print_path(periph->path); 3143 printf("warning, residual for report key command is %d\n", 3144 ccb->csio.resid); 3145 } 3146 3147 switch(authinfo->format) { 3148 case DVD_REPORT_AGID: { 3149 struct scsi_report_key_data_agid *agid_data; 3150 3151 agid_data = (struct scsi_report_key_data_agid *)databuf; 3152 3153 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3154 RKD_AGID_SHIFT; 3155 break; 3156 } 3157 case DVD_REPORT_CHALLENGE: { 3158 struct scsi_report_key_data_challenge *chal_data; 3159 3160 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3161 3162 bcopy(chal_data->challenge_key, authinfo->keychal, 3163 min(sizeof(chal_data->challenge_key), 3164 sizeof(authinfo->keychal))); 3165 break; 3166 } 3167 case DVD_REPORT_KEY1: { 3168 struct scsi_report_key_data_key1_key2 *key1_data; 3169 3170 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3171 3172 bcopy(key1_data->key1, authinfo->keychal, 3173 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3174 break; 3175 } 3176 case DVD_REPORT_TITLE_KEY: { 3177 struct scsi_report_key_data_title *title_data; 3178 3179 title_data = (struct scsi_report_key_data_title *)databuf; 3180 3181 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3182 RKD_TITLE_CPM_SHIFT; 3183 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3184 RKD_TITLE_CP_SEC_SHIFT; 3185 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3186 RKD_TITLE_CMGS_SHIFT; 3187 bcopy(title_data->title_key, authinfo->keychal, 3188 min(sizeof(title_data->title_key), 3189 sizeof(authinfo->keychal))); 3190 break; 3191 } 3192 case DVD_REPORT_ASF: { 3193 struct scsi_report_key_data_asf *asf_data; 3194 3195 asf_data = (struct scsi_report_key_data_asf *)databuf; 3196 3197 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3198 break; 3199 } 3200 case DVD_REPORT_RPC: { 3201 struct scsi_report_key_data_rpc *rpc_data; 3202 3203 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3204 3205 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3206 RKD_RPC_TYPE_SHIFT; 3207 authinfo->vend_rsts = 3208 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3209 RKD_RPC_VENDOR_RESET_SHIFT; 3210 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3211 authinfo->region = rpc_data->region_mask; 3212 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3213 break; 3214 } 3215 case DVD_INVALIDATE_AGID: 3216 break; 3217 default: 3218 /* This should be impossible, since we checked above */ 3219 error = EINVAL; 3220 goto bailout; 3221 break; /* NOTREACHED */ 3222 } 3223bailout: 3224 if (databuf != NULL) 3225 free(databuf, M_DEVBUF); 3226 3227 xpt_release_ccb(ccb); 3228 3229 return(error); 3230} 3231 3232static int 3233cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3234{ 3235 union ccb *ccb; 3236 u_int8_t *databuf; 3237 int length; 3238 int error; 3239 3240 error = 0; 3241 databuf = NULL; 3242 3243 ccb = cdgetccb(periph, /* priority */ 1); 3244 3245 switch(authinfo->format) { 3246 case DVD_SEND_CHALLENGE: { 3247 struct scsi_report_key_data_challenge *challenge_data; 3248 3249 length = sizeof(*challenge_data); 3250 3251 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3252 3253 databuf = (u_int8_t *)challenge_data; 3254 3255 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3256 challenge_data->data_len); 3257 3258 bcopy(authinfo->keychal, challenge_data->challenge_key, 3259 min(sizeof(authinfo->keychal), 3260 sizeof(challenge_data->challenge_key))); 3261 break; 3262 } 3263 case DVD_SEND_KEY2: { 3264 struct scsi_report_key_data_key1_key2 *key2_data; 3265 3266 length = sizeof(*key2_data); 3267 3268 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3269 3270 databuf = (u_int8_t *)key2_data; 3271 3272 scsi_ulto2b(length - sizeof(key2_data->data_len), 3273 key2_data->data_len); 3274 3275 bcopy(authinfo->keychal, key2_data->key1, 3276 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3277 3278 break; 3279 } 3280 case DVD_SEND_RPC: { 3281 struct scsi_send_key_data_rpc *rpc_data; 3282 3283 length = sizeof(*rpc_data); 3284 3285 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3286 3287 databuf = (u_int8_t *)rpc_data; 3288 3289 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3290 rpc_data->data_len); 3291 3292 rpc_data->region_code = authinfo->region; 3293 break; 3294 } 3295 default: 3296 error = EINVAL; 3297 goto bailout; 3298 break; /* NOTREACHED */ 3299 } 3300 3301 scsi_send_key(&ccb->csio, 3302 /* retries */ 1, 3303 /* cbfcnp */ cddone, 3304 /* tag_action */ MSG_SIMPLE_Q_TAG, 3305 /* agid */ authinfo->agid, 3306 /* key_format */ authinfo->format, 3307 /* data_ptr */ databuf, 3308 /* dxfer_len */ length, 3309 /* sense_len */ SSD_FULL_SIZE, 3310 /* timeout */ 50000); 3311 3312 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3313 /*sense_flags*/SF_RETRY_UA); 3314 3315bailout: 3316 3317 if (databuf != NULL) 3318 free(databuf, M_DEVBUF); 3319 3320 xpt_release_ccb(ccb); 3321 3322 return(error); 3323} 3324 3325static int 3326cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3327{ 3328 union ccb *ccb; 3329 u_int8_t *databuf; 3330 u_int32_t address; 3331 int error; 3332 int length; 3333 3334 error = 0; 3335 databuf = NULL; 3336 /* The address is reserved for many of the formats */ 3337 address = 0; 3338 3339 ccb = cdgetccb(periph, /* priority */ 1); 3340 3341 switch(dvdstruct->format) { 3342 case DVD_STRUCT_PHYSICAL: 3343 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3344 break; 3345 case DVD_STRUCT_COPYRIGHT: 3346 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3347 break; 3348 case DVD_STRUCT_DISCKEY: 3349 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3350 break; 3351 case DVD_STRUCT_BCA: 3352 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3353 break; 3354 case DVD_STRUCT_MANUFACT: 3355 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3356 break; 3357 case DVD_STRUCT_CMI: 3358 error = ENODEV; 3359 goto bailout; 3360#ifdef notyet 3361 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3362 address = dvdstruct->address; 3363#endif 3364 break; /* NOTREACHED */ 3365 case DVD_STRUCT_PROTDISCID: 3366 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3367 break; 3368 case DVD_STRUCT_DISCKEYBLOCK: 3369 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3370 break; 3371 case DVD_STRUCT_DDS: 3372 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3373 break; 3374 case DVD_STRUCT_MEDIUM_STAT: 3375 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3376 break; 3377 case DVD_STRUCT_SPARE_AREA: 3378 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3379 break; 3380 case DVD_STRUCT_RMD_LAST: 3381 error = ENODEV; 3382 goto bailout; 3383#ifdef notyet 3384 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3385 address = dvdstruct->address; 3386#endif 3387 break; /* NOTREACHED */ 3388 case DVD_STRUCT_RMD_RMA: 3389 error = ENODEV; 3390 goto bailout; 3391#ifdef notyet 3392 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3393 address = dvdstruct->address; 3394#endif 3395 break; /* NOTREACHED */ 3396 case DVD_STRUCT_PRERECORDED: 3397 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3398 break; 3399 case DVD_STRUCT_UNIQUEID: 3400 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3401 break; 3402 case DVD_STRUCT_DCB: 3403 error = ENODEV; 3404 goto bailout; 3405#ifdef notyet 3406 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3407 address = dvdstruct->address; 3408#endif 3409 break; /* NOTREACHED */ 3410 case DVD_STRUCT_LIST: 3411 /* 3412 * This is the maximum allocation length for the READ DVD 3413 * STRUCTURE command. There's nothing in the MMC3 spec 3414 * that indicates a limit in the amount of data that can 3415 * be returned from this call, other than the limits 3416 * imposed by the 2-byte length variables. 3417 */ 3418 length = 65535; 3419 break; 3420 default: 3421 error = EINVAL; 3422 goto bailout; 3423 break; /* NOTREACHED */ 3424 } 3425 3426 if (length != 0) { 3427 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3428 } else 3429 databuf = NULL; 3430 3431 scsi_read_dvd_structure(&ccb->csio, 3432 /* retries */ 1, 3433 /* cbfcnp */ cddone, 3434 /* tag_action */ MSG_SIMPLE_Q_TAG, 3435 /* lba */ address, 3436 /* layer_number */ dvdstruct->layer_num, 3437 /* key_format */ dvdstruct->format, 3438 /* agid */ dvdstruct->agid, 3439 /* data_ptr */ databuf, 3440 /* dxfer_len */ length, 3441 /* sense_len */ SSD_FULL_SIZE, 3442 /* timeout */ 50000); 3443 3444 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3445 /*sense_flags*/SF_RETRY_UA); 3446 3447 if (error != 0) 3448 goto bailout; 3449 3450 switch(dvdstruct->format) { 3451 case DVD_STRUCT_PHYSICAL: { 3452 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3453 struct dvd_layer *outlayer; 3454 struct scsi_read_dvd_struct_data_physical *phys_data; 3455 3456 phys_data = 3457 (struct scsi_read_dvd_struct_data_physical *)databuf; 3458 inlayer = &phys_data->layer_desc; 3459 outlayer = (struct dvd_layer *)&dvdstruct->data; 3460 3461 dvdstruct->length = sizeof(*inlayer); 3462 3463 outlayer->book_type = (inlayer->book_type_version & 3464 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3465 outlayer->book_version = (inlayer->book_type_version & 3466 RDSD_BOOK_VERSION_MASK); 3467 outlayer->disc_size = (inlayer->disc_size_max_rate & 3468 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3469 outlayer->max_rate = (inlayer->disc_size_max_rate & 3470 RDSD_MAX_RATE_MASK); 3471 outlayer->nlayers = (inlayer->layer_info & 3472 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3473 outlayer->track_path = (inlayer->layer_info & 3474 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3475 outlayer->layer_type = (inlayer->layer_info & 3476 RDSD_LAYER_TYPE_MASK); 3477 outlayer->linear_density = (inlayer->density & 3478 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3479 outlayer->track_density = (inlayer->density & 3480 RDSD_TRACK_DENSITY_MASK); 3481 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3482 RDSD_BCA_SHIFT; 3483 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3484 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3485 outlayer->end_sector_l0 = 3486 scsi_3btoul(inlayer->end_sector_layer0); 3487 break; 3488 } 3489 case DVD_STRUCT_COPYRIGHT: { 3490 struct scsi_read_dvd_struct_data_copyright *copy_data; 3491 3492 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3493 databuf; 3494 3495 dvdstruct->cpst = copy_data->cps_type; 3496 dvdstruct->rmi = copy_data->region_info; 3497 dvdstruct->length = 0; 3498 3499 break; 3500 } 3501 default: 3502 /* 3503 * Tell the user what the overall length is, no matter 3504 * what we can actually fit in the data buffer. 3505 */ 3506 dvdstruct->length = length - ccb->csio.resid - 3507 sizeof(struct scsi_read_dvd_struct_data_header); 3508 3509 /* 3510 * But only actually copy out the smaller of what we read 3511 * in or what the structure can take. 3512 */ 3513 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3514 dvdstruct->data, 3515 min(sizeof(dvdstruct->data), dvdstruct->length)); 3516 break; 3517 } 3518bailout: 3519 3520 if (databuf != NULL) 3521 free(databuf, M_DEVBUF); 3522 3523 xpt_release_ccb(ccb); 3524 3525 return(error); 3526} 3527 3528void 3529scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3530 void (*cbfcnp)(struct cam_periph *, union ccb *), 3531 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3532 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3533 u_int8_t sense_len, u_int32_t timeout) 3534{ 3535 struct scsi_report_key *scsi_cmd; 3536 3537 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3538 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3539 scsi_cmd->opcode = REPORT_KEY; 3540 scsi_ulto4b(lba, scsi_cmd->lba); 3541 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3542 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3543 (key_format & RK_KF_KEYFORMAT_MASK); 3544 3545 cam_fill_csio(csio, 3546 retries, 3547 cbfcnp, 3548 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3549 tag_action, 3550 /*data_ptr*/ data_ptr, 3551 /*dxfer_len*/ dxfer_len, 3552 sense_len, 3553 sizeof(*scsi_cmd), 3554 timeout); 3555} 3556 3557void 3558scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3559 void (*cbfcnp)(struct cam_periph *, union ccb *), 3560 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3561 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3562 u_int32_t timeout) 3563{ 3564 struct scsi_send_key *scsi_cmd; 3565 3566 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3567 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3568 scsi_cmd->opcode = SEND_KEY; 3569 3570 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3571 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3572 (key_format & RK_KF_KEYFORMAT_MASK); 3573 3574 cam_fill_csio(csio, 3575 retries, 3576 cbfcnp, 3577 /*flags*/ CAM_DIR_OUT, 3578 tag_action, 3579 /*data_ptr*/ data_ptr, 3580 /*dxfer_len*/ dxfer_len, 3581 sense_len, 3582 sizeof(*scsi_cmd), 3583 timeout); 3584} 3585 3586 3587void 3588scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3589 void (*cbfcnp)(struct cam_periph *, union ccb *), 3590 u_int8_t tag_action, u_int32_t address, 3591 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3592 u_int8_t *data_ptr, u_int32_t dxfer_len, 3593 u_int8_t sense_len, u_int32_t timeout) 3594{ 3595 struct scsi_read_dvd_structure *scsi_cmd; 3596 3597 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3598 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3599 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3600 3601 scsi_ulto4b(address, scsi_cmd->address); 3602 scsi_cmd->layer_number = layer_number; 3603 scsi_cmd->format = format; 3604 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3605 /* The AGID is the top two bits of this byte */ 3606 scsi_cmd->agid = agid << 6; 3607 3608 cam_fill_csio(csio, 3609 retries, 3610 cbfcnp, 3611 /*flags*/ CAM_DIR_IN, 3612 tag_action, 3613 /*data_ptr*/ data_ptr, 3614 /*dxfer_len*/ dxfer_len, 3615 sense_len, 3616 sizeof(*scsi_cmd), 3617 timeout); 3618} 3619