scsi_cd.c revision 101940
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 101940 2002-08-15 20:54:03Z njl $ 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_periph.h> 66#include <cam/cam_xpt_periph.h> 67#include <cam/cam_queue.h> 68 69#include <cam/scsi/scsi_message.h> 70#include <cam/scsi/scsi_da.h> 71#include <cam/scsi/scsi_cd.h> 72 73#define LEADOUT 0xaa /* leadout toc entry */ 74 75struct cd_params { 76 u_int32_t blksize; 77 u_long disksize; 78}; 79 80typedef enum { 81 CD_Q_NONE = 0x00, 82 CD_Q_NO_TOUCH = 0x01, 83 CD_Q_BCD_TRACKS = 0x02, 84 CD_Q_NO_CHANGER = 0x04, 85 CD_Q_CHANGER = 0x08 86} cd_quirks; 87 88typedef enum { 89 CD_FLAG_INVALID = 0x001, 90 CD_FLAG_NEW_DISC = 0x002, 91 CD_FLAG_DISC_LOCKED = 0x004, 92 CD_FLAG_DISC_REMOVABLE = 0x008, 93 CD_FLAG_TAGGED_QUEUING = 0x010, 94 CD_FLAG_CHANGER = 0x040, 95 CD_FLAG_ACTIVE = 0x080, 96 CD_FLAG_SCHED_ON_COMP = 0x100, 97 CD_FLAG_RETRY_UA = 0x200 98} cd_flags; 99 100typedef enum { 101 CD_CCB_PROBE = 0x01, 102 CD_CCB_BUFFER_IO = 0x02, 103 CD_CCB_WAITING = 0x03, 104 CD_CCB_TYPE_MASK = 0x0F, 105 CD_CCB_RETRY_UA = 0x10 106} cd_ccb_state; 107 108typedef enum { 109 CHANGER_TIMEOUT_SCHED = 0x01, 110 CHANGER_SHORT_TMOUT_SCHED = 0x02, 111 CHANGER_MANUAL_CALL = 0x04, 112 CHANGER_NEED_TIMEOUT = 0x08 113} cd_changer_flags; 114 115#define ccb_state ppriv_field0 116#define ccb_bp ppriv_ptr1 117 118typedef enum { 119 CD_STATE_PROBE, 120 CD_STATE_NORMAL 121} cd_state; 122 123struct cd_softc { 124 cam_pinfo pinfo; 125 cd_state state; 126 volatile cd_flags flags; 127 struct bio_queue_head bio_queue; 128 LIST_HEAD(, ccb_hdr) pending_ccbs; 129 struct cd_params params; 130 struct disk disk; 131 union ccb saved_ccb; 132 cd_quirks quirks; 133 struct devstat device_stats; 134 STAILQ_ENTRY(cd_softc) changer_links; 135 struct cdchanger *changer; 136 int bufs_left; 137 struct cam_periph *periph; 138}; 139 140struct cd_quirk_entry { 141 struct scsi_inquiry_pattern inq_pat; 142 cd_quirks quirks; 143}; 144 145/* 146 * These quirk entries aren't strictly necessary. Basically, what they do 147 * is tell cdregister() up front that a device is a changer. Otherwise, it 148 * will figure that fact out once it sees a LUN on the device that is 149 * greater than 0. If it is known up front that a device is a changer, all 150 * I/O to the device will go through the changer scheduling routines, as 151 * opposed to the "normal" CD code. 152 */ 153static struct cd_quirk_entry cd_quirk_table[] = 154{ 155 { 156 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 157 /*quirks*/ CD_Q_CHANGER 158 }, 159 { 160 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 161 "*"}, /* quirks */ CD_Q_CHANGER 162 }, 163 { 164 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 165 /* quirks */ CD_Q_CHANGER 166 }, 167 { 168 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 169 /* quirks */ CD_Q_BCD_TRACKS 170 } 171}; 172 173#ifndef MIN 174#define MIN(x,y) ((x<y) ? x : y) 175#endif 176 177#define CD_CDEV_MAJOR 15 178 179static d_open_t cdopen; 180static d_close_t cdclose; 181static d_ioctl_t cdioctl; 182static d_strategy_t cdstrategy; 183 184static periph_init_t cdinit; 185static periph_ctor_t cdregister; 186static periph_dtor_t cdcleanup; 187static periph_start_t cdstart; 188static periph_oninv_t cdoninvalidate; 189static void cdasync(void *callback_arg, u_int32_t code, 190 struct cam_path *path, void *arg); 191static void cdshorttimeout(void *arg); 192static void cdschedule(struct cam_periph *periph, int priority); 193static void cdrunchangerqueue(void *arg); 194static void cdchangerschedule(struct cd_softc *softc); 195static int cdrunccb(union ccb *ccb, 196 int (*error_routine)(union ccb *ccb, 197 u_int32_t cam_flags, 198 u_int32_t sense_flags), 199 u_int32_t cam_flags, u_int32_t sense_flags); 200static union ccb *cdgetccb(struct cam_periph *periph, 201 u_int32_t priority); 202static void cddone(struct cam_periph *periph, 203 union ccb *start_ccb); 204static int cderror(union ccb *ccb, u_int32_t cam_flags, 205 u_int32_t sense_flags); 206static void cdprevent(struct cam_periph *periph, int action); 207static int cdsize(dev_t dev, u_int32_t *size); 208static int cdfirsttrackisdata(struct cam_periph *periph); 209static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 210 u_int32_t start, struct cd_toc_entry *data, 211 u_int32_t len); 212static int cdgetmode(struct cam_periph *periph, 213 struct cd_mode_data *data, u_int32_t page); 214static int cdsetmode(struct cam_periph *periph, 215 struct cd_mode_data *data); 216static int cdplay(struct cam_periph *periph, u_int32_t blk, 217 u_int32_t len); 218static int cdreadsubchannel(struct cam_periph *periph, 219 u_int32_t mode, u_int32_t format, 220 int track, 221 struct cd_sub_channel_info *data, 222 u_int32_t len); 223static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 224 u_int32_t starts, u_int32_t startf, 225 u_int32_t endm, u_int32_t ends, 226 u_int32_t endf); 227static int cdplaytracks(struct cam_periph *periph, 228 u_int32_t strack, u_int32_t sindex, 229 u_int32_t etrack, u_int32_t eindex); 230static int cdpause(struct cam_periph *periph, u_int32_t go); 231static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 232static int cdstartunit(struct cam_periph *periph); 233static int cdreportkey(struct cam_periph *periph, 234 struct dvd_authinfo *authinfo); 235static int cdsendkey(struct cam_periph *periph, 236 struct dvd_authinfo *authinfo); 237static int cdreaddvdstructure(struct cam_periph *periph, 238 struct dvd_struct *dvdstruct); 239 240static struct periph_driver cddriver = 241{ 242 cdinit, "cd", 243 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 244}; 245 246PERIPHDRIVER_DECLARE(cd, cddriver); 247 248/* For 2.2-stable support */ 249#ifndef D_DISK 250#define D_DISK 0 251#endif 252static struct cdevsw cd_cdevsw = { 253 /* open */ cdopen, 254 /* close */ cdclose, 255 /* read */ physread, 256 /* write */ physwrite, 257 /* ioctl */ cdioctl, 258 /* poll */ nopoll, 259 /* mmap */ nommap, 260 /* strategy */ cdstrategy, 261 /* name */ "cd", 262 /* maj */ CD_CDEV_MAJOR, 263 /* dump */ nodump, 264 /* psize */ nopsize, 265 /* flags */ D_DISK, 266}; 267static struct cdevsw cddisk_cdevsw; 268 269static int num_changers; 270 271#ifndef CHANGER_MIN_BUSY_SECONDS 272#define CHANGER_MIN_BUSY_SECONDS 5 273#endif 274#ifndef CHANGER_MAX_BUSY_SECONDS 275#define CHANGER_MAX_BUSY_SECONDS 15 276#endif 277 278static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 279static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 280 281SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 282SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 283SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 284 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 285SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 286 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 287 288struct cdchanger { 289 path_id_t path_id; 290 target_id_t target_id; 291 int num_devices; 292 struct camq devq; 293 struct timeval start_time; 294 struct cd_softc *cur_device; 295 struct callout_handle short_handle; 296 struct callout_handle long_handle; 297 volatile cd_changer_flags flags; 298 STAILQ_ENTRY(cdchanger) changer_links; 299 STAILQ_HEAD(chdevlist, cd_softc) chluns; 300}; 301 302static STAILQ_HEAD(changerlist, cdchanger) changerq; 303 304void 305cdinit(void) 306{ 307 cam_status status; 308 struct cam_path *path; 309 310 /* 311 * Install a global async callback. This callback will 312 * receive async callbacks like "new device found". 313 */ 314 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 315 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 316 317 if (status == CAM_REQ_CMP) { 318 struct ccb_setasync csa; 319 320 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 321 csa.ccb_h.func_code = XPT_SASYNC_CB; 322 csa.event_enable = AC_FOUND_DEVICE; 323 csa.callback = cdasync; 324 csa.callback_arg = NULL; 325 xpt_action((union ccb *)&csa); 326 status = csa.ccb_h.status; 327 xpt_free_path(path); 328 } 329 330 if (status != CAM_REQ_CMP) { 331 printf("cd: Failed to attach master async callback " 332 "due to status 0x%x!\n", status); 333 } 334} 335 336static void 337cdoninvalidate(struct cam_periph *periph) 338{ 339 int s; 340 struct cd_softc *softc; 341 struct bio *q_bp; 342 struct ccb_setasync csa; 343 344 softc = (struct cd_softc *)periph->softc; 345 346 /* 347 * De-register any async callbacks. 348 */ 349 xpt_setup_ccb(&csa.ccb_h, periph->path, 350 /* priority */ 5); 351 csa.ccb_h.func_code = XPT_SASYNC_CB; 352 csa.event_enable = 0; 353 csa.callback = cdasync; 354 csa.callback_arg = periph; 355 xpt_action((union ccb *)&csa); 356 357 softc->flags |= CD_FLAG_INVALID; 358 359 /* 360 * Although the oninvalidate() routines are always called at 361 * splsoftcam, we need to be at splbio() here to keep the buffer 362 * queue from being modified while we traverse it. 363 */ 364 s = splbio(); 365 366 /* 367 * Return all queued I/O with ENXIO. 368 * XXX Handle any transactions queued to the card 369 * with XPT_ABORT_CCB. 370 */ 371 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 372 bioq_remove(&softc->bio_queue, q_bp); 373 q_bp->bio_resid = q_bp->bio_bcount; 374 biofinish(q_bp, NULL, ENXIO); 375 } 376 splx(s); 377 378 /* 379 * If this device is part of a changer, and it was scheduled 380 * to run, remove it from the run queue since we just nuked 381 * all of its scheduled I/O. 382 */ 383 if ((softc->flags & CD_FLAG_CHANGER) 384 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 385 camq_remove(&softc->changer->devq, softc->pinfo.index); 386 387 xpt_print_path(periph->path); 388 printf("lost device\n"); 389} 390 391static void 392cdcleanup(struct cam_periph *periph) 393{ 394 struct cd_softc *softc; 395 int s; 396 397 softc = (struct cd_softc *)periph->softc; 398 399 xpt_print_path(periph->path); 400 printf("removing device entry\n"); 401 402 s = splsoftcam(); 403 /* 404 * In the queued, non-active case, the device in question 405 * has already been removed from the changer run queue. Since this 406 * device is active, we need to de-activate it, and schedule 407 * another device to run. (if there is another one to run) 408 */ 409 if ((softc->flags & CD_FLAG_CHANGER) 410 && (softc->flags & CD_FLAG_ACTIVE)) { 411 412 /* 413 * The purpose of the short timeout is soley to determine 414 * whether the current device has finished or not. Well, 415 * since we're removing the active device, we know that it 416 * is finished. So, get rid of the short timeout. 417 * Otherwise, if we're in the time period before the short 418 * timeout fires, and there are no other devices in the 419 * queue to run, there won't be any other device put in the 420 * active slot. i.e., when we call cdrunchangerqueue() 421 * below, it won't do anything. Then, when the short 422 * timeout fires, it'll look at the "current device", which 423 * we are free below, and possibly panic the kernel on a 424 * bogus pointer reference. 425 * 426 * The long timeout doesn't really matter, since we 427 * decrement the qfrozen_cnt to indicate that there is 428 * nothing in the active slot now. Therefore, there won't 429 * be any bogus pointer references there. 430 */ 431 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 432 untimeout(cdshorttimeout, softc->changer, 433 softc->changer->short_handle); 434 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 435 } 436 softc->changer->devq.qfrozen_cnt--; 437 softc->changer->flags |= CHANGER_MANUAL_CALL; 438 cdrunchangerqueue(softc->changer); 439 } 440 441 /* 442 * If we're removing the last device on the changer, go ahead and 443 * remove the changer device structure. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (--softc->changer->num_devices == 0)) { 447 448 /* 449 * Theoretically, there shouldn't be any timeouts left, but 450 * I'm not completely sure that that will be the case. So, 451 * it won't hurt to check and see if there are any left. 452 */ 453 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 454 untimeout(cdrunchangerqueue, softc->changer, 455 softc->changer->long_handle); 456 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 457 } 458 459 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 460 untimeout(cdshorttimeout, softc->changer, 461 softc->changer->short_handle); 462 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 463 } 464 465 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 466 changer_links); 467 xpt_print_path(periph->path); 468 printf("removing changer entry\n"); 469 free(softc->changer, M_DEVBUF); 470 num_changers--; 471 } 472 devstat_remove_entry(&softc->device_stats); 473 if (softc->disk.d_dev) { 474 disk_destroy(softc->disk.d_dev); 475 } 476 free(softc, M_DEVBUF); 477 splx(s); 478} 479 480static void 481cdasync(void *callback_arg, u_int32_t code, 482 struct cam_path *path, void *arg) 483{ 484 struct cam_periph *periph; 485 486 periph = (struct cam_periph *)callback_arg; 487 switch (code) { 488 case AC_FOUND_DEVICE: 489 { 490 struct ccb_getdev *cgd; 491 cam_status status; 492 493 cgd = (struct ccb_getdev *)arg; 494 if (cgd == NULL) 495 break; 496 497 if (SID_TYPE(&cgd->inq_data) != T_CDROM 498 && SID_TYPE(&cgd->inq_data) != T_WORM) 499 break; 500 501 /* 502 * Allocate a peripheral instance for 503 * this device and start the probe 504 * process. 505 */ 506 status = cam_periph_alloc(cdregister, cdoninvalidate, 507 cdcleanup, cdstart, 508 "cd", CAM_PERIPH_BIO, 509 cgd->ccb_h.path, cdasync, 510 AC_FOUND_DEVICE, cgd); 511 512 if (status != CAM_REQ_CMP 513 && status != CAM_REQ_INPROG) 514 printf("cdasync: Unable to attach new device " 515 "due to status 0x%x\n", status); 516 517 break; 518 } 519 case AC_SENT_BDR: 520 case AC_BUS_RESET: 521 { 522 struct cd_softc *softc; 523 struct ccb_hdr *ccbh; 524 int s; 525 526 softc = (struct cd_softc *)periph->softc; 527 s = splsoftcam(); 528 /* 529 * Don't fail on the expected unit attention 530 * that will occur. 531 */ 532 softc->flags |= CD_FLAG_RETRY_UA; 533 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 534 ccbh->ccb_state |= CD_CCB_RETRY_UA; 535 splx(s); 536 /* FALLTHROUGH */ 537 } 538 default: 539 cam_periph_async(periph, code, path, arg); 540 break; 541 } 542} 543 544static cam_status 545cdregister(struct cam_periph *periph, void *arg) 546{ 547 struct cd_softc *softc; 548 struct ccb_setasync csa; 549 struct ccb_getdev *cgd; 550 caddr_t match; 551 dev_t disk_dev; 552 553 cgd = (struct ccb_getdev *)arg; 554 if (periph == NULL) { 555 printf("cdregister: periph was NULL!!\n"); 556 return(CAM_REQ_CMP_ERR); 557 } 558 if (cgd == NULL) { 559 printf("cdregister: no getdev CCB, can't register device\n"); 560 return(CAM_REQ_CMP_ERR); 561 } 562 563 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 564 565 if (softc == NULL) { 566 printf("cdregister: Unable to probe new device. " 567 "Unable to allocate softc\n"); 568 return(CAM_REQ_CMP_ERR); 569 } 570 571 bzero(softc, sizeof(*softc)); 572 LIST_INIT(&softc->pending_ccbs); 573 softc->state = CD_STATE_PROBE; 574 bioq_init(&softc->bio_queue); 575 if (SID_IS_REMOVABLE(&cgd->inq_data)) 576 softc->flags |= CD_FLAG_DISC_REMOVABLE; 577 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 578 softc->flags |= CD_FLAG_TAGGED_QUEUING; 579 580 periph->softc = softc; 581 softc->periph = periph; 582 583 /* 584 * See if this device has any quirks. 585 */ 586 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 587 (caddr_t)cd_quirk_table, 588 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 589 sizeof(*cd_quirk_table), scsi_inquiry_match); 590 591 if (match != NULL) 592 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 593 else 594 softc->quirks = CD_Q_NONE; 595 596 /* 597 * We need to register the statistics structure for this device, 598 * but we don't have the blocksize yet for it. So, we register 599 * the structure and indicate that we don't have the blocksize 600 * yet. Unlike other SCSI peripheral drivers, we explicitly set 601 * the device type here to be CDROM, rather than just ORing in 602 * the device type. This is because this driver can attach to either 603 * CDROM or WORM devices, and we want this peripheral driver to 604 * show up in the devstat list as a CD peripheral driver, not a 605 * WORM peripheral driver. WORM drives will also have the WORM 606 * driver attached to them. 607 */ 608 devstat_add_entry(&softc->device_stats, "cd", 609 periph->unit_number, 0, 610 DEVSTAT_BS_UNAVAILABLE, 611 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 612 DEVSTAT_PRIORITY_CD); 613 disk_dev = disk_create(periph->unit_number, &softc->disk, 614 DSO_ONESLICE | DSO_COMPATLABEL, 615 &cd_cdevsw, &cddisk_cdevsw); 616 disk_dev->si_drv1 = periph; 617 618 /* 619 * Add an async callback so that we get 620 * notified if this device goes away. 621 */ 622 xpt_setup_ccb(&csa.ccb_h, periph->path, 623 /* priority */ 5); 624 csa.ccb_h.func_code = XPT_SASYNC_CB; 625 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 626 csa.callback = cdasync; 627 csa.callback_arg = periph; 628 xpt_action((union ccb *)&csa); 629 630 /* 631 * If the target lun is greater than 0, we most likely have a CD 632 * changer device. Check the quirk entries as well, though, just 633 * in case someone has a CD tower with one lun per drive or 634 * something like that. Also, if we know up front that a 635 * particular device is a changer, we can mark it as such starting 636 * with lun 0, instead of lun 1. It shouldn't be necessary to have 637 * a quirk entry to define something as a changer, however. 638 */ 639 if (((cgd->ccb_h.target_lun > 0) 640 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 641 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 642 struct cdchanger *nchanger; 643 struct cam_periph *nperiph; 644 struct cam_path *path; 645 cam_status status; 646 int found; 647 648 /* Set the changer flag in the current device's softc */ 649 softc->flags |= CD_FLAG_CHANGER; 650 651 if (num_changers == 0) 652 STAILQ_INIT(&changerq); 653 654 /* 655 * Now, look around for an existing changer device with the 656 * same path and target ID as the current device. 657 */ 658 for (found = 0, 659 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 660 nchanger != NULL; 661 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 662 if ((nchanger->path_id == cgd->ccb_h.path_id) 663 && (nchanger->target_id == cgd->ccb_h.target_id)) { 664 found = 1; 665 break; 666 } 667 } 668 669 /* 670 * If we found a matching entry, just add this device to 671 * the list of devices on this changer. 672 */ 673 if (found == 1) { 674 struct chdevlist *chlunhead; 675 676 chlunhead = &nchanger->chluns; 677 678 /* 679 * XXX KDM look at consolidating this code with the 680 * code below in a separate function. 681 */ 682 683 /* 684 * Create a path with lun id 0, and see if we can 685 * find a matching device 686 */ 687 status = xpt_create_path(&path, /*periph*/ periph, 688 cgd->ccb_h.path_id, 689 cgd->ccb_h.target_id, 0); 690 691 if ((status == CAM_REQ_CMP) 692 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 693 struct cd_softc *nsoftc; 694 695 nsoftc = (struct cd_softc *)nperiph->softc; 696 697 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 698 nsoftc->flags |= CD_FLAG_CHANGER; 699 nchanger->num_devices++; 700 if (camq_resize(&nchanger->devq, 701 nchanger->num_devices)!=CAM_REQ_CMP){ 702 printf("cdregister: " 703 "camq_resize " 704 "failed, changer " 705 "support may " 706 "be messed up\n"); 707 } 708 nsoftc->changer = nchanger; 709 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 710 711 STAILQ_INSERT_TAIL(&nchanger->chluns, 712 nsoftc,changer_links); 713 } 714 xpt_free_path(path); 715 } else if (status == CAM_REQ_CMP) 716 xpt_free_path(path); 717 else { 718 printf("cdregister: unable to allocate path\n" 719 "cdregister: changer support may be " 720 "broken\n"); 721 } 722 723 nchanger->num_devices++; 724 725 softc->changer = nchanger; 726 softc->pinfo.index = CAM_UNQUEUED_INDEX; 727 728 if (camq_resize(&nchanger->devq, 729 nchanger->num_devices) != CAM_REQ_CMP) { 730 printf("cdregister: camq_resize " 731 "failed, changer support may " 732 "be messed up\n"); 733 } 734 735 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 736 } 737 /* 738 * In this case, we don't already have an entry for this 739 * particular changer, so we need to create one, add it to 740 * the queue, and queue this device on the list for this 741 * changer. Before we queue this device, however, we need 742 * to search for lun id 0 on this target, and add it to the 743 * queue first, if it exists. (and if it hasn't already 744 * been marked as part of the changer.) 745 */ 746 else { 747 nchanger = malloc(sizeof(struct cdchanger), 748 M_DEVBUF, M_NOWAIT); 749 750 if (nchanger == NULL) { 751 softc->flags &= ~CD_FLAG_CHANGER; 752 printf("cdregister: unable to malloc " 753 "changer structure\ncdregister: " 754 "changer support disabled\n"); 755 756 /* 757 * Yes, gotos can be gross but in this case 758 * I think it's justified.. 759 */ 760 goto cdregisterexit; 761 } 762 763 /* zero the structure */ 764 bzero(nchanger, sizeof(struct cdchanger)); 765 766 if (camq_init(&nchanger->devq, 1) != 0) { 767 softc->flags &= ~CD_FLAG_CHANGER; 768 printf("cdregister: changer support " 769 "disabled\n"); 770 goto cdregisterexit; 771 } 772 773 num_changers++; 774 775 nchanger->path_id = cgd->ccb_h.path_id; 776 nchanger->target_id = cgd->ccb_h.target_id; 777 778 /* this is superfluous, but it makes things clearer */ 779 nchanger->num_devices = 0; 780 781 STAILQ_INIT(&nchanger->chluns); 782 783 STAILQ_INSERT_TAIL(&changerq, nchanger, 784 changer_links); 785 786 /* 787 * Create a path with lun id 0, and see if we can 788 * find a matching device 789 */ 790 status = xpt_create_path(&path, /*periph*/ periph, 791 cgd->ccb_h.path_id, 792 cgd->ccb_h.target_id, 0); 793 794 /* 795 * If we were able to allocate the path, and if we 796 * find a matching device and it isn't already 797 * marked as part of a changer, then we add it to 798 * the current changer. 799 */ 800 if ((status == CAM_REQ_CMP) 801 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 802 && ((((struct cd_softc *)periph->softc)->flags & 803 CD_FLAG_CHANGER) == 0)) { 804 struct cd_softc *nsoftc; 805 806 nsoftc = (struct cd_softc *)nperiph->softc; 807 808 nsoftc->flags |= CD_FLAG_CHANGER; 809 nchanger->num_devices++; 810 if (camq_resize(&nchanger->devq, 811 nchanger->num_devices) != CAM_REQ_CMP) { 812 printf("cdregister: camq_resize " 813 "failed, changer support may " 814 "be messed up\n"); 815 } 816 nsoftc->changer = nchanger; 817 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 818 819 STAILQ_INSERT_TAIL(&nchanger->chluns, 820 nsoftc, changer_links); 821 xpt_free_path(path); 822 } else if (status == CAM_REQ_CMP) 823 xpt_free_path(path); 824 else { 825 printf("cdregister: unable to allocate path\n" 826 "cdregister: changer support may be " 827 "broken\n"); 828 } 829 830 softc->changer = nchanger; 831 softc->pinfo.index = CAM_UNQUEUED_INDEX; 832 nchanger->num_devices++; 833 if (camq_resize(&nchanger->devq, 834 nchanger->num_devices) != CAM_REQ_CMP) { 835 printf("cdregister: camq_resize " 836 "failed, changer support may " 837 "be messed up\n"); 838 } 839 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 840 changer_links); 841 } 842 } 843 844cdregisterexit: 845 846 /* Lock this peripheral until we are setup */ 847 /* Can't block */ 848 cam_periph_lock(periph, PRIBIO); 849 850 if ((softc->flags & CD_FLAG_CHANGER) == 0) 851 xpt_schedule(periph, /*priority*/5); 852 else 853 cdschedule(periph, /*priority*/ 5); 854 855 return(CAM_REQ_CMP); 856} 857 858static int 859cdopen(dev_t dev, int flags, int fmt, struct thread *td) 860{ 861 struct disklabel *label; 862 struct cam_periph *periph; 863 struct cd_softc *softc; 864 struct ccb_getdev cgd; 865 u_int32_t size; 866 int error; 867 int s; 868 869 periph = (struct cam_periph *)dev->si_drv1; 870 if (periph == NULL) 871 return (ENXIO); 872 873 softc = (struct cd_softc *)periph->softc; 874 875 /* 876 * Grab splsoftcam and hold it until we lock the peripheral. 877 */ 878 s = splsoftcam(); 879 if (softc->flags & CD_FLAG_INVALID) { 880 splx(s); 881 return(ENXIO); 882 } 883 884 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 885 splx(s); 886 return (error); 887 } 888 889 splx(s); 890 891 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 892 return(ENXIO); 893 894 cdprevent(periph, PR_PREVENT); 895 896 /* find out the size */ 897 if ((error = cdsize(dev, &size)) != 0) { 898 cdprevent(periph, PR_ALLOW); 899 cam_periph_unlock(periph); 900 cam_periph_release(periph); 901 return(error); 902 } 903 904 /* 905 * If we get a non-zero return, revert back to not reading the 906 * label off the disk. The first track is likely audio, which 907 * won't have a disklabel. 908 */ 909 if ((error = cdfirsttrackisdata(periph)) != 0) { 910 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 911 softc->disk.d_dsflags |= DSO_NOLABELS; 912 error = 0; 913 } 914 915 /* 916 * Build prototype label for whole disk. 917 * Should take information about different data tracks from the 918 * TOC and put it in the partition table. 919 */ 920 label = &softc->disk.d_label; 921 bzero(label, sizeof(*label)); 922 label->d_type = DTYPE_SCSI; 923 924 /* 925 * Grab the inquiry data to get the vendor and product names. 926 * Put them in the typename and packname for the label. 927 */ 928 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 929 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 930 xpt_action((union ccb *)&cgd); 931 932 strncpy(label->d_typename, cgd.inq_data.vendor, 933 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 934 strncpy(label->d_packname, cgd.inq_data.product, 935 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 936 937 label->d_secsize = softc->params.blksize; 938 label->d_secperunit = softc->params.disksize; 939 label->d_flags = D_REMOVABLE; 940 /* 941 * Make partition 'a' cover the whole disk. This is a temporary 942 * compatibility hack. The 'a' partition should not exist, so 943 * the slice code won't create it. The slice code will make 944 * partition (RAW_PART + 'a') cover the whole disk and fill in 945 * some more defaults. 946 */ 947 label->d_partitions[0].p_size = label->d_secperunit; 948 label->d_partitions[0].p_fstype = FS_OTHER; 949 950 /* 951 * We unconditionally (re)set the blocksize each time the 952 * CD device is opened. This is because the CD can change, 953 * and therefore the blocksize might change. 954 * XXX problems here if some slice or partition is still 955 * open with the old size? 956 */ 957 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 958 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 959 softc->device_stats.block_size = softc->params.blksize; 960 961 cam_periph_unlock(periph); 962 963 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 964 965 return (error); 966} 967 968static int 969cdclose(dev_t dev, int flag, int fmt, struct thread *td) 970{ 971 struct cam_periph *periph; 972 struct cd_softc *softc; 973 int error; 974 975 periph = (struct cam_periph *)dev->si_drv1; 976 if (periph == NULL) 977 return (ENXIO); 978 979 softc = (struct cd_softc *)periph->softc; 980 981 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 982 return (error); 983 984 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 985 cdprevent(periph, PR_ALLOW); 986 987 /* 988 * Unconditionally set the dsopen() flags back to their default 989 * state. 990 */ 991 softc->disk.d_dsflags &= ~DSO_NOLABELS; 992 softc->disk.d_dsflags |= DSO_COMPATLABEL; 993 994 /* 995 * Since we're closing this CD, mark the blocksize as unavailable. 996 * It will be marked as available whence the CD is opened again. 997 */ 998 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 999 1000 cam_periph_unlock(periph); 1001 cam_periph_release(periph); 1002 1003 return (0); 1004} 1005 1006static void 1007cdshorttimeout(void *arg) 1008{ 1009 struct cdchanger *changer; 1010 int s; 1011 1012 s = splsoftcam(); 1013 1014 changer = (struct cdchanger *)arg; 1015 1016 /* Always clear the short timeout flag, since that's what we're in */ 1017 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1018 1019 /* 1020 * Check to see if there is any more pending or outstanding I/O for 1021 * this device. If not, move it out of the active slot. 1022 */ 1023 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1024 && (changer->cur_device->device_stats.busy_count == 0)) { 1025 changer->flags |= CHANGER_MANUAL_CALL; 1026 cdrunchangerqueue(changer); 1027 } 1028 1029 splx(s); 1030} 1031 1032/* 1033 * This is a wrapper for xpt_schedule. It only applies to changers. 1034 */ 1035static void 1036cdschedule(struct cam_periph *periph, int priority) 1037{ 1038 struct cd_softc *softc; 1039 int s; 1040 1041 s = splsoftcam(); 1042 1043 softc = (struct cd_softc *)periph->softc; 1044 1045 /* 1046 * If this device isn't currently queued, and if it isn't 1047 * the active device, then we queue this device and run the 1048 * changer queue if there is no timeout scheduled to do it. 1049 * If this device is the active device, just schedule it 1050 * to run again. If this device is queued, there should be 1051 * a timeout in place already that will make sure it runs. 1052 */ 1053 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1054 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1055 /* 1056 * We don't do anything with the priority here. 1057 * This is strictly a fifo queue. 1058 */ 1059 softc->pinfo.priority = 1; 1060 softc->pinfo.generation = ++softc->changer->devq.generation; 1061 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1062 1063 /* 1064 * Since we just put a device in the changer queue, 1065 * check and see if there is a timeout scheduled for 1066 * this changer. If so, let the timeout handle 1067 * switching this device into the active slot. If 1068 * not, manually call the timeout routine to 1069 * bootstrap things. 1070 */ 1071 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1072 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1073 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1074 softc->changer->flags |= CHANGER_MANUAL_CALL; 1075 cdrunchangerqueue(softc->changer); 1076 } 1077 } else if ((softc->flags & CD_FLAG_ACTIVE) 1078 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1079 xpt_schedule(periph, priority); 1080 1081 splx(s); 1082 1083} 1084 1085static void 1086cdrunchangerqueue(void *arg) 1087{ 1088 struct cd_softc *softc; 1089 struct cdchanger *changer; 1090 int called_from_timeout; 1091 int s; 1092 1093 s = splsoftcam(); 1094 1095 changer = (struct cdchanger *)arg; 1096 1097 /* 1098 * If we have NOT been called from cdstrategy() or cddone(), and 1099 * instead from a timeout routine, go ahead and clear the 1100 * timeout flag. 1101 */ 1102 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1103 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1104 called_from_timeout = 1; 1105 } else 1106 called_from_timeout = 0; 1107 1108 /* Always clear the manual call flag */ 1109 changer->flags &= ~CHANGER_MANUAL_CALL; 1110 1111 /* nothing to do if the queue is empty */ 1112 if (changer->devq.entries <= 0) { 1113 splx(s); 1114 return; 1115 } 1116 1117 /* 1118 * If the changer queue is frozen, that means we have an active 1119 * device. 1120 */ 1121 if (changer->devq.qfrozen_cnt > 0) { 1122 1123 if (changer->cur_device->device_stats.busy_count > 0) { 1124 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1125 changer->cur_device->bufs_left = 1126 changer->cur_device->device_stats.busy_count; 1127 if (called_from_timeout) { 1128 changer->long_handle = 1129 timeout(cdrunchangerqueue, changer, 1130 changer_max_busy_seconds * hz); 1131 changer->flags |= CHANGER_TIMEOUT_SCHED; 1132 } 1133 splx(s); 1134 return; 1135 } 1136 1137 /* 1138 * We always need to reset the frozen count and clear the 1139 * active flag. 1140 */ 1141 changer->devq.qfrozen_cnt--; 1142 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1143 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1144 1145 /* 1146 * Check to see whether the current device has any I/O left 1147 * to do. If so, requeue it at the end of the queue. If 1148 * not, there is no need to requeue it. 1149 */ 1150 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1151 1152 changer->cur_device->pinfo.generation = 1153 ++changer->devq.generation; 1154 camq_insert(&changer->devq, 1155 (cam_pinfo *)changer->cur_device); 1156 } 1157 } 1158 1159 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1160 1161 changer->cur_device = softc; 1162 1163 changer->devq.qfrozen_cnt++; 1164 softc->flags |= CD_FLAG_ACTIVE; 1165 1166 /* Just in case this device is waiting */ 1167 wakeup(&softc->changer); 1168 xpt_schedule(softc->periph, /*priority*/ 1); 1169 1170 /* 1171 * Get rid of any pending timeouts, and set a flag to schedule new 1172 * ones so this device gets its full time quantum. 1173 */ 1174 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1175 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1176 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1177 } 1178 1179 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1180 untimeout(cdshorttimeout, changer, changer->short_handle); 1181 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1182 } 1183 1184 /* 1185 * We need to schedule timeouts, but we only do this after the 1186 * first transaction has completed. This eliminates the changer 1187 * switch time. 1188 */ 1189 changer->flags |= CHANGER_NEED_TIMEOUT; 1190 1191 splx(s); 1192} 1193 1194static void 1195cdchangerschedule(struct cd_softc *softc) 1196{ 1197 struct cdchanger *changer; 1198 int s; 1199 1200 s = splsoftcam(); 1201 1202 changer = softc->changer; 1203 1204 /* 1205 * If this is a changer, and this is the current device, 1206 * and this device has at least the minimum time quantum to 1207 * run, see if we can switch it out. 1208 */ 1209 if ((softc->flags & CD_FLAG_ACTIVE) 1210 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1211 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1212 /* 1213 * We try three things here. The first is that we 1214 * check to see whether the schedule on completion 1215 * flag is set. If it is, we decrement the number 1216 * of buffers left, and if it's zero, we reschedule. 1217 * Next, we check to see whether the pending buffer 1218 * queue is empty and whether there are no 1219 * outstanding transactions. If so, we reschedule. 1220 * Next, we see if the pending buffer queue is empty. 1221 * If it is, we set the number of buffers left to 1222 * the current active buffer count and set the 1223 * schedule on complete flag. 1224 */ 1225 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1226 if (--softc->bufs_left == 0) { 1227 softc->changer->flags |= 1228 CHANGER_MANUAL_CALL; 1229 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1230 cdrunchangerqueue(softc->changer); 1231 } 1232 } else if ((bioq_first(&softc->bio_queue) == NULL) 1233 && (softc->device_stats.busy_count == 0)) { 1234 softc->changer->flags |= CHANGER_MANUAL_CALL; 1235 cdrunchangerqueue(softc->changer); 1236 } 1237 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1238 && (softc->flags & CD_FLAG_ACTIVE)) { 1239 1240 /* 1241 * Now that the first transaction to this 1242 * particular device has completed, we can go ahead 1243 * and schedule our timeouts. 1244 */ 1245 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1246 changer->long_handle = 1247 timeout(cdrunchangerqueue, changer, 1248 changer_max_busy_seconds * hz); 1249 changer->flags |= CHANGER_TIMEOUT_SCHED; 1250 } else 1251 printf("cdchangerschedule: already have a long" 1252 " timeout!\n"); 1253 1254 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1255 changer->short_handle = 1256 timeout(cdshorttimeout, changer, 1257 changer_min_busy_seconds * hz); 1258 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1259 } else 1260 printf("cdchangerschedule: already have a short " 1261 "timeout!\n"); 1262 1263 /* 1264 * We just scheduled timeouts, no need to schedule 1265 * more. 1266 */ 1267 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1268 1269 } 1270 splx(s); 1271} 1272 1273static int 1274cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1275 u_int32_t cam_flags, 1276 u_int32_t sense_flags), 1277 u_int32_t cam_flags, u_int32_t sense_flags) 1278{ 1279 struct cd_softc *softc; 1280 struct cam_periph *periph; 1281 int error; 1282 1283 periph = xpt_path_periph(ccb->ccb_h.path); 1284 softc = (struct cd_softc *)periph->softc; 1285 1286 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1287 &softc->device_stats); 1288 1289 if (softc->flags & CD_FLAG_CHANGER) 1290 cdchangerschedule(softc); 1291 1292 return(error); 1293} 1294 1295static union ccb * 1296cdgetccb(struct cam_periph *periph, u_int32_t priority) 1297{ 1298 struct cd_softc *softc; 1299 int s; 1300 1301 softc = (struct cd_softc *)periph->softc; 1302 1303 if (softc->flags & CD_FLAG_CHANGER) { 1304 1305 s = splsoftcam(); 1306 1307 /* 1308 * This should work the first time this device is woken up, 1309 * but just in case it doesn't, we use a while loop. 1310 */ 1311 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1312 /* 1313 * If this changer isn't already queued, queue it up. 1314 */ 1315 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1316 softc->pinfo.priority = 1; 1317 softc->pinfo.generation = 1318 ++softc->changer->devq.generation; 1319 camq_insert(&softc->changer->devq, 1320 (cam_pinfo *)softc); 1321 } 1322 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1323 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1324 && ((softc->changer->flags 1325 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1326 softc->changer->flags |= CHANGER_MANUAL_CALL; 1327 cdrunchangerqueue(softc->changer); 1328 } else 1329 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1330 } 1331 splx(s); 1332 } 1333 return(cam_periph_getccb(periph, priority)); 1334} 1335 1336 1337/* 1338 * Actually translate the requested transfer into one the physical driver 1339 * can understand. The transfer is described by a buf and will include 1340 * only one physical transfer. 1341 */ 1342static void 1343cdstrategy(struct bio *bp) 1344{ 1345 struct cam_periph *periph; 1346 struct cd_softc *softc; 1347 int s; 1348 1349 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1350 if (periph == NULL) { 1351 biofinish(bp, NULL, ENXIO); 1352 return; 1353 } 1354 1355 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1356 1357 softc = (struct cd_softc *)periph->softc; 1358 1359 /* 1360 * Mask interrupts so that the pack cannot be invalidated until 1361 * after we are in the queue. Otherwise, we might not properly 1362 * clean up one of the buffers. 1363 */ 1364 s = splbio(); 1365 1366 /* 1367 * If the device has been made invalid, error out 1368 */ 1369 if ((softc->flags & CD_FLAG_INVALID)) { 1370 splx(s); 1371 biofinish(bp, NULL, ENXIO); 1372 return; 1373 } 1374 1375 /* 1376 * Place it in the queue of disk activities for this disk 1377 */ 1378 bioqdisksort(&softc->bio_queue, bp); 1379 1380 splx(s); 1381 1382 /* 1383 * Schedule ourselves for performing the work. We do things 1384 * differently for changers. 1385 */ 1386 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1387 xpt_schedule(periph, /* XXX priority */1); 1388 else 1389 cdschedule(periph, /* priority */ 1); 1390 1391 return; 1392} 1393 1394static void 1395cdstart(struct cam_periph *periph, union ccb *start_ccb) 1396{ 1397 struct cd_softc *softc; 1398 struct bio *bp; 1399 struct ccb_scsiio *csio; 1400 struct scsi_read_capacity_data *rcap; 1401 int s; 1402 1403 softc = (struct cd_softc *)periph->softc; 1404 1405 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1406 1407 switch (softc->state) { 1408 case CD_STATE_NORMAL: 1409 { 1410 int oldspl; 1411 1412 s = splbio(); 1413 bp = bioq_first(&softc->bio_queue); 1414 if (periph->immediate_priority <= periph->pinfo.priority) { 1415 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1416 1417 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1418 periph_links.sle); 1419 periph->immediate_priority = CAM_PRIORITY_NONE; 1420 splx(s); 1421 wakeup(&periph->ccb_list); 1422 } else if (bp == NULL) { 1423 splx(s); 1424 xpt_release_ccb(start_ccb); 1425 } else { 1426 bioq_remove(&softc->bio_queue, bp); 1427 1428 devstat_start_transaction(&softc->device_stats); 1429 1430 scsi_read_write(&start_ccb->csio, 1431 /*retries*/4, 1432 /* cbfcnp */ cddone, 1433 MSG_SIMPLE_Q_TAG, 1434 /* read */bp->bio_cmd == BIO_READ, 1435 /* byte2 */ 0, 1436 /* minimum_cmd_size */ 10, 1437 /* lba */ bp->bio_pblkno, 1438 bp->bio_bcount / softc->params.blksize, 1439 /* data_ptr */ bp->bio_data, 1440 /* dxfer_len */ bp->bio_bcount, 1441 /* sense_len */ SSD_FULL_SIZE, 1442 /* timeout */ 30000); 1443 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1444 1445 1446 /* 1447 * Block out any asyncronous callbacks 1448 * while we touch the pending ccb list. 1449 */ 1450 oldspl = splcam(); 1451 LIST_INSERT_HEAD(&softc->pending_ccbs, 1452 &start_ccb->ccb_h, periph_links.le); 1453 splx(oldspl); 1454 1455 /* We expect a unit attention from this device */ 1456 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1457 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1458 softc->flags &= ~CD_FLAG_RETRY_UA; 1459 } 1460 1461 start_ccb->ccb_h.ccb_bp = bp; 1462 bp = bioq_first(&softc->bio_queue); 1463 splx(s); 1464 1465 xpt_action(start_ccb); 1466 } 1467 if (bp != NULL) { 1468 /* Have more work to do, so ensure we stay scheduled */ 1469 xpt_schedule(periph, /* XXX priority */1); 1470 } 1471 break; 1472 } 1473 case CD_STATE_PROBE: 1474 { 1475 1476 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1477 M_TEMP, 1478 M_NOWAIT); 1479 if (rcap == NULL) { 1480 xpt_print_path(periph->path); 1481 printf("cdstart: Couldn't malloc read_capacity data\n"); 1482 /* cd_free_periph??? */ 1483 break; 1484 } 1485 csio = &start_ccb->csio; 1486 scsi_read_capacity(csio, 1487 /*retries*/1, 1488 cddone, 1489 MSG_SIMPLE_Q_TAG, 1490 rcap, 1491 SSD_FULL_SIZE, 1492 /*timeout*/20000); 1493 start_ccb->ccb_h.ccb_bp = NULL; 1494 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1495 xpt_action(start_ccb); 1496 break; 1497 } 1498 } 1499} 1500 1501static void 1502cddone(struct cam_periph *periph, union ccb *done_ccb) 1503{ 1504 struct cd_softc *softc; 1505 struct ccb_scsiio *csio; 1506 1507 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1508 1509 softc = (struct cd_softc *)periph->softc; 1510 csio = &done_ccb->csio; 1511 1512 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1513 case CD_CCB_BUFFER_IO: 1514 { 1515 struct bio *bp; 1516 int error; 1517 int oldspl; 1518 1519 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1520 error = 0; 1521 1522 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1523 int sf; 1524 1525 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1526 sf = SF_RETRY_UA; 1527 else 1528 sf = 0; 1529 1530 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1531 if (error == ERESTART) { 1532 /* 1533 * A retry was scheuled, so 1534 * just return. 1535 */ 1536 return; 1537 } 1538 } 1539 1540 if (error != 0) { 1541 int s; 1542 struct bio *q_bp; 1543 1544 xpt_print_path(periph->path); 1545 printf("cddone: got error %#x back\n", error); 1546 s = splbio(); 1547 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1548 bioq_remove(&softc->bio_queue, q_bp); 1549 q_bp->bio_resid = q_bp->bio_bcount; 1550 biofinish(q_bp, NULL, EIO); 1551 } 1552 splx(s); 1553 bp->bio_resid = bp->bio_bcount; 1554 bp->bio_error = error; 1555 bp->bio_flags |= BIO_ERROR; 1556 cam_release_devq(done_ccb->ccb_h.path, 1557 /*relsim_flags*/0, 1558 /*reduction*/0, 1559 /*timeout*/0, 1560 /*getcount_only*/0); 1561 1562 } else { 1563 bp->bio_resid = csio->resid; 1564 bp->bio_error = 0; 1565 if (bp->bio_resid != 0) { 1566 /* Short transfer ??? */ 1567 bp->bio_flags |= BIO_ERROR; 1568 } 1569 } 1570 1571 /* 1572 * Block out any asyncronous callbacks 1573 * while we touch the pending ccb list. 1574 */ 1575 oldspl = splcam(); 1576 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1577 splx(oldspl); 1578 1579 if (softc->flags & CD_FLAG_CHANGER) 1580 cdchangerschedule(softc); 1581 1582 biofinish(bp, &softc->device_stats, 0); 1583 break; 1584 } 1585 case CD_CCB_PROBE: 1586 { 1587 struct scsi_read_capacity_data *rdcap; 1588 char announce_buf[120]; /* 1589 * Currently (9/30/97) the 1590 * longest possible announce 1591 * buffer is 108 bytes, for the 1592 * first error case below. 1593 * That is 39 bytes for the 1594 * basic string, 16 bytes for the 1595 * biggest sense key (hardware 1596 * error), 52 bytes for the 1597 * text of the largest sense 1598 * qualifier valid for a CDROM, 1599 * (0x72, 0x03 or 0x04, 1600 * 0x03), and one byte for the 1601 * null terminating character. 1602 * To allow for longer strings, 1603 * the announce buffer is 120 1604 * bytes. 1605 */ 1606 struct cd_params *cdp; 1607 1608 cdp = &softc->params; 1609 1610 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1611 1612 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1613 cdp->blksize = scsi_4btoul (rdcap->length); 1614 1615 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1616 1617 snprintf(announce_buf, sizeof(announce_buf), 1618 "cd present [%lu x %lu byte records]", 1619 cdp->disksize, (u_long)cdp->blksize); 1620 1621 } else { 1622 int error; 1623 /* 1624 * Retry any UNIT ATTENTION type errors. They 1625 * are expected at boot. 1626 */ 1627 error = cderror(done_ccb, CAM_RETRY_SELTO, 1628 SF_RETRY_UA | SF_NO_PRINT); 1629 if (error == ERESTART) { 1630 /* 1631 * A retry was scheuled, so 1632 * just return. 1633 */ 1634 return; 1635 } else if (error != 0) { 1636 1637 struct scsi_sense_data *sense; 1638 int asc, ascq; 1639 int sense_key, error_code; 1640 int have_sense; 1641 cam_status status; 1642 struct ccb_getdev cgd; 1643 1644 /* Don't wedge this device's queue */ 1645 cam_release_devq(done_ccb->ccb_h.path, 1646 /*relsim_flags*/0, 1647 /*reduction*/0, 1648 /*timeout*/0, 1649 /*getcount_only*/0); 1650 1651 status = done_ccb->ccb_h.status; 1652 1653 xpt_setup_ccb(&cgd.ccb_h, 1654 done_ccb->ccb_h.path, 1655 /* priority */ 1); 1656 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1657 xpt_action((union ccb *)&cgd); 1658 1659 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1660 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1661 || ((status & CAM_AUTOSNS_VALID) == 0)) 1662 have_sense = FALSE; 1663 else 1664 have_sense = TRUE; 1665 1666 if (have_sense) { 1667 sense = &csio->sense_data; 1668 scsi_extract_sense(sense, &error_code, 1669 &sense_key, 1670 &asc, &ascq); 1671 } 1672 /* 1673 * Attach to anything that claims to be a 1674 * CDROM or WORM device, as long as it 1675 * doesn't return a "Logical unit not 1676 * supported" (0x25) error. 1677 */ 1678 if ((have_sense) && (asc != 0x25) 1679 && (error_code == SSD_CURRENT_ERROR)) { 1680 const char *sense_key_desc; 1681 const char *asc_desc; 1682 1683 scsi_sense_desc(sense_key, asc, ascq, 1684 &cgd.inq_data, 1685 &sense_key_desc, 1686 &asc_desc); 1687 snprintf(announce_buf, 1688 sizeof(announce_buf), 1689 "Attempt to query device " 1690 "size failed: %s, %s", 1691 sense_key_desc, 1692 asc_desc); 1693 } else if ((have_sense == 0) 1694 && ((status & CAM_STATUS_MASK) == 1695 CAM_SCSI_STATUS_ERROR) 1696 && (csio->scsi_status == 1697 SCSI_STATUS_BUSY)) { 1698 snprintf(announce_buf, 1699 sizeof(announce_buf), 1700 "Attempt to query device " 1701 "size failed: SCSI Status: %s", 1702 scsi_status_string(csio)); 1703 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1704 /* 1705 * We only print out an error for 1706 * CDROM type devices. For WORM 1707 * devices, we don't print out an 1708 * error since a few WORM devices 1709 * don't support CDROM commands. 1710 * If we have sense information, go 1711 * ahead and print it out. 1712 * Otherwise, just say that we 1713 * couldn't attach. 1714 */ 1715 1716 /* 1717 * Just print out the error, not 1718 * the full probe message, when we 1719 * don't attach. 1720 */ 1721 if (have_sense) 1722 scsi_sense_print( 1723 &done_ccb->csio); 1724 else { 1725 xpt_print_path(periph->path); 1726 printf("got CAM status %#x\n", 1727 done_ccb->ccb_h.status); 1728 } 1729 xpt_print_path(periph->path); 1730 printf("fatal error, failed" 1731 " to attach to device\n"); 1732 1733 /* 1734 * Invalidate this peripheral. 1735 */ 1736 cam_periph_invalidate(periph); 1737 1738 announce_buf[0] = '\0'; 1739 } else { 1740 1741 /* 1742 * Invalidate this peripheral. 1743 */ 1744 cam_periph_invalidate(periph); 1745 announce_buf[0] = '\0'; 1746 } 1747 } 1748 } 1749 free(rdcap, M_TEMP); 1750 if (announce_buf[0] != '\0') { 1751 xpt_announce_periph(periph, announce_buf); 1752 if (softc->flags & CD_FLAG_CHANGER) 1753 cdchangerschedule(softc); 1754 } 1755 softc->state = CD_STATE_NORMAL; 1756 /* 1757 * Since our peripheral may be invalidated by an error 1758 * above or an external event, we must release our CCB 1759 * before releasing the probe lock on the peripheral. 1760 * The peripheral will only go away once the last lock 1761 * is removed, and we need it around for the CCB release 1762 * operation. 1763 */ 1764 xpt_release_ccb(done_ccb); 1765 cam_periph_unlock(periph); 1766 return; 1767 } 1768 case CD_CCB_WAITING: 1769 { 1770 /* Caller will release the CCB */ 1771 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1772 ("trying to wakeup ccbwait\n")); 1773 1774 wakeup(&done_ccb->ccb_h.cbfcnp); 1775 return; 1776 } 1777 default: 1778 break; 1779 } 1780 xpt_release_ccb(done_ccb); 1781} 1782 1783static int 1784cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1785{ 1786 1787 struct cam_periph *periph; 1788 struct cd_softc *softc; 1789 int error; 1790 1791 periph = (struct cam_periph *)dev->si_drv1; 1792 if (periph == NULL) 1793 return(ENXIO); 1794 1795 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1796 1797 softc = (struct cd_softc *)periph->softc; 1798 1799 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1800 ("trying to do ioctl %#lx\n", cmd)); 1801 1802 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1803 1804 if (error != 0) 1805 return(error); 1806 1807 switch (cmd) { 1808 1809 case CDIOCPLAYTRACKS: 1810 { 1811 struct ioc_play_track *args 1812 = (struct ioc_play_track *) addr; 1813 struct cd_mode_data *data; 1814 1815 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1816 M_WAITOK); 1817 1818 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1819 ("trying to do CDIOCPLAYTRACKS\n")); 1820 1821 error = cdgetmode(periph, data, AUDIO_PAGE); 1822 if (error) { 1823 free(data, M_TEMP); 1824 break; 1825 } 1826 data->page.audio.flags &= ~CD_PA_SOTC; 1827 data->page.audio.flags |= CD_PA_IMMED; 1828 error = cdsetmode(periph, data); 1829 free(data, M_TEMP); 1830 if (error) 1831 break; 1832 if (softc->quirks & CD_Q_BCD_TRACKS) { 1833 args->start_track = bin2bcd(args->start_track); 1834 args->end_track = bin2bcd(args->end_track); 1835 } 1836 error = cdplaytracks(periph, 1837 args->start_track, 1838 args->start_index, 1839 args->end_track, 1840 args->end_index); 1841 } 1842 break; 1843 case CDIOCPLAYMSF: 1844 { 1845 struct ioc_play_msf *args 1846 = (struct ioc_play_msf *) addr; 1847 struct cd_mode_data *data; 1848 1849 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1850 M_WAITOK); 1851 1852 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1853 ("trying to do CDIOCPLAYMSF\n")); 1854 1855 error = cdgetmode(periph, data, AUDIO_PAGE); 1856 if (error) { 1857 free(data, M_TEMP); 1858 break; 1859 } 1860 data->page.audio.flags &= ~CD_PA_SOTC; 1861 data->page.audio.flags |= CD_PA_IMMED; 1862 error = cdsetmode(periph, data); 1863 free(data, M_TEMP); 1864 if (error) 1865 break; 1866 error = cdplaymsf(periph, 1867 args->start_m, 1868 args->start_s, 1869 args->start_f, 1870 args->end_m, 1871 args->end_s, 1872 args->end_f); 1873 } 1874 break; 1875 case CDIOCPLAYBLOCKS: 1876 { 1877 struct ioc_play_blocks *args 1878 = (struct ioc_play_blocks *) addr; 1879 struct cd_mode_data *data; 1880 1881 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1882 ("trying to do CDIOCPLAYBLOCKS\n")); 1883 1884 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 1885 M_WAITOK); 1886 1887 error = cdgetmode(periph, data, AUDIO_PAGE); 1888 if (error) { 1889 free(data, M_TEMP); 1890 break; 1891 } 1892 data->page.audio.flags &= ~CD_PA_SOTC; 1893 data->page.audio.flags |= CD_PA_IMMED; 1894 error = cdsetmode(periph, data); 1895 free(data, M_TEMP); 1896 if (error) 1897 break; 1898 error = cdplay(periph, args->blk, args->len); 1899 } 1900 break; 1901 case CDIOCREADSUBCHANNEL: 1902 { 1903 struct ioc_read_subchannel *args 1904 = (struct ioc_read_subchannel *) addr; 1905 struct cd_sub_channel_info *data; 1906 u_int32_t len = args->data_len; 1907 1908 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1909 ("trying to do CDIOCREADSUBCHANNEL\n")); 1910 1911 data = malloc(sizeof(struct cd_sub_channel_info), 1912 M_TEMP, M_WAITOK); 1913 1914 if ((len > sizeof(struct cd_sub_channel_info)) || 1915 (len < sizeof(struct cd_sub_channel_header))) { 1916 printf( 1917 "scsi_cd: cdioctl: " 1918 "cdioreadsubchannel: error, len=%d\n", 1919 len); 1920 error = EINVAL; 1921 free(data, M_TEMP); 1922 break; 1923 } 1924 1925 if (softc->quirks & CD_Q_BCD_TRACKS) 1926 args->track = bin2bcd(args->track); 1927 1928 error = cdreadsubchannel(periph, args->address_format, 1929 args->data_format, args->track, data, len); 1930 1931 if (error) { 1932 free(data, M_TEMP); 1933 break; 1934 } 1935 if (softc->quirks & CD_Q_BCD_TRACKS) 1936 data->what.track_info.track_number = 1937 bcd2bin(data->what.track_info.track_number); 1938 len = min(len, ((data->header.data_len[0] << 8) + 1939 data->header.data_len[1] + 1940 sizeof(struct cd_sub_channel_header))); 1941 if (copyout(data, args->data, len) != 0) { 1942 error = EFAULT; 1943 } 1944 free(data, M_TEMP); 1945 } 1946 break; 1947 1948 case CDIOREADTOCHEADER: 1949 { 1950 struct ioc_toc_header *th; 1951 1952 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1953 ("trying to do CDIOREADTOCHEADER\n")); 1954 1955 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 1956 M_WAITOK); 1957 error = cdreadtoc(periph, 0, 0, 1958 (struct cd_toc_entry *)th, 1959 sizeof (*th)); 1960 if (error) { 1961 free(th, M_TEMP); 1962 break; 1963 } 1964 if (softc->quirks & CD_Q_BCD_TRACKS) { 1965 /* we are going to have to convert the BCD 1966 * encoding on the cd to what is expected 1967 */ 1968 th->starting_track = 1969 bcd2bin(th->starting_track); 1970 th->ending_track = bcd2bin(th->ending_track); 1971 } 1972 th->len = ntohs(th->len); 1973 bcopy(th, addr, sizeof(*th)); 1974 free(th, M_TEMP); 1975 } 1976 break; 1977 case CDIOREADTOCENTRYS: 1978 { 1979 typedef struct { 1980 struct ioc_toc_header header; 1981 struct cd_toc_entry entries[100]; 1982 } data_t; 1983 typedef struct { 1984 struct ioc_toc_header header; 1985 struct cd_toc_entry entry; 1986 } lead_t; 1987 1988 data_t *data; 1989 lead_t *lead; 1990 struct ioc_read_toc_entry *te = 1991 (struct ioc_read_toc_entry *) addr; 1992 struct ioc_toc_header *th; 1993 u_int32_t len, readlen, idx, num; 1994 u_int32_t starting_track = te->starting_track; 1995 1996 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1997 ("trying to do CDIOREADTOCENTRYS\n")); 1998 1999 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2000 lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK); 2001 2002 if (te->data_len < sizeof(struct cd_toc_entry) 2003 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2004 || (te->address_format != CD_MSF_FORMAT 2005 && te->address_format != CD_LBA_FORMAT)) { 2006 error = EINVAL; 2007 printf("scsi_cd: error in readtocentries, " 2008 "returning EINVAL\n"); 2009 free(data, M_TEMP); 2010 free(lead, M_TEMP); 2011 break; 2012 } 2013 2014 th = &data->header; 2015 error = cdreadtoc(periph, 0, 0, 2016 (struct cd_toc_entry *)th, 2017 sizeof (*th)); 2018 if (error) { 2019 free(data, M_TEMP); 2020 free(lead, M_TEMP); 2021 break; 2022 } 2023 2024 if (softc->quirks & CD_Q_BCD_TRACKS) { 2025 /* we are going to have to convert the BCD 2026 * encoding on the cd to what is expected 2027 */ 2028 th->starting_track = 2029 bcd2bin(th->starting_track); 2030 th->ending_track = bcd2bin(th->ending_track); 2031 } 2032 2033 if (starting_track == 0) 2034 starting_track = th->starting_track; 2035 else if (starting_track == LEADOUT) 2036 starting_track = th->ending_track + 1; 2037 else if (starting_track < th->starting_track || 2038 starting_track > th->ending_track + 1) { 2039 printf("scsi_cd: error in readtocentries, " 2040 "returning EINVAL\n"); 2041 free(data, M_TEMP); 2042 free(lead, M_TEMP); 2043 error = EINVAL; 2044 break; 2045 } 2046 2047 /* calculate reading length without leadout entry */ 2048 readlen = (th->ending_track - starting_track + 1) * 2049 sizeof(struct cd_toc_entry); 2050 2051 /* and with leadout entry */ 2052 len = readlen + sizeof(struct cd_toc_entry); 2053 if (te->data_len < len) { 2054 len = te->data_len; 2055 if (readlen > len) 2056 readlen = len; 2057 } 2058 if (len > sizeof(data->entries)) { 2059 printf("scsi_cd: error in readtocentries, " 2060 "returning EINVAL\n"); 2061 error = EINVAL; 2062 free(data, M_TEMP); 2063 free(lead, M_TEMP); 2064 break; 2065 } 2066 num = len / sizeof(struct cd_toc_entry); 2067 2068 if (readlen > 0) { 2069 error = cdreadtoc(periph, te->address_format, 2070 starting_track, 2071 (struct cd_toc_entry *)data, 2072 readlen + sizeof (*th)); 2073 if (error) { 2074 free(data, M_TEMP); 2075 free(lead, M_TEMP); 2076 break; 2077 } 2078 } 2079 2080 /* make leadout entry if needed */ 2081 idx = starting_track + num - 1; 2082 if (softc->quirks & CD_Q_BCD_TRACKS) 2083 th->ending_track = bcd2bin(th->ending_track); 2084 if (idx == th->ending_track + 1) { 2085 error = cdreadtoc(periph, te->address_format, 2086 LEADOUT, 2087 (struct cd_toc_entry *)lead, 2088 sizeof(*lead)); 2089 if (error) { 2090 free(data, M_TEMP); 2091 free(lead, M_TEMP); 2092 break; 2093 } 2094 data->entries[idx - starting_track] = 2095 lead->entry; 2096 } 2097 if (softc->quirks & CD_Q_BCD_TRACKS) { 2098 for (idx = 0; idx < num - 1; idx++) { 2099 data->entries[idx].track = 2100 bcd2bin(data->entries[idx].track); 2101 } 2102 } 2103 2104 error = copyout(data->entries, te->data, len); 2105 free(data, M_TEMP); 2106 free(lead, M_TEMP); 2107 } 2108 break; 2109 case CDIOREADTOCENTRY: 2110 { 2111 /* yeah yeah, this is ugly */ 2112 typedef struct { 2113 struct ioc_toc_header header; 2114 struct cd_toc_entry entry; 2115 } data_t; 2116 2117 data_t *data; 2118 struct ioc_read_toc_single_entry *te = 2119 (struct ioc_read_toc_single_entry *) addr; 2120 struct ioc_toc_header *th; 2121 u_int32_t track; 2122 2123 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2124 ("trying to do CDIOREADTOCENTRY\n")); 2125 2126 data = malloc(sizeof(data_t), M_TEMP, M_WAITOK); 2127 2128 if (te->address_format != CD_MSF_FORMAT 2129 && te->address_format != CD_LBA_FORMAT) { 2130 printf("error in readtocentry, " 2131 " returning EINVAL\n"); 2132 free(data, M_TEMP); 2133 error = EINVAL; 2134 break; 2135 } 2136 2137 th = &data->header; 2138 error = cdreadtoc(periph, 0, 0, 2139 (struct cd_toc_entry *)th, 2140 sizeof (*th)); 2141 if (error) { 2142 free(data, M_TEMP); 2143 break; 2144 } 2145 2146 if (softc->quirks & CD_Q_BCD_TRACKS) { 2147 /* we are going to have to convert the BCD 2148 * encoding on the cd to what is expected 2149 */ 2150 th->starting_track = 2151 bcd2bin(th->starting_track); 2152 th->ending_track = bcd2bin(th->ending_track); 2153 } 2154 track = te->track; 2155 if (track == 0) 2156 track = th->starting_track; 2157 else if (track == LEADOUT) 2158 /* OK */; 2159 else if (track < th->starting_track || 2160 track > th->ending_track + 1) { 2161 printf("error in readtocentry, " 2162 " returning EINVAL\n"); 2163 free(data, M_TEMP); 2164 error = EINVAL; 2165 break; 2166 } 2167 2168 error = cdreadtoc(periph, te->address_format, track, 2169 (struct cd_toc_entry *)data, 2170 sizeof(data_t)); 2171 if (error) { 2172 free(data, M_TEMP); 2173 break; 2174 } 2175 2176 if (softc->quirks & CD_Q_BCD_TRACKS) 2177 data->entry.track = bcd2bin(data->entry.track); 2178 bcopy(&data->entry, &te->entry, 2179 sizeof(struct cd_toc_entry)); 2180 free(data, M_TEMP); 2181 } 2182 break; 2183 case CDIOCSETPATCH: 2184 { 2185 struct ioc_patch *arg = (struct ioc_patch *) addr; 2186 struct cd_mode_data *data; 2187 2188 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2189 ("trying to do CDIOCSETPATCH\n")); 2190 2191 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2192 M_WAITOK); 2193 error = cdgetmode(periph, data, AUDIO_PAGE); 2194 if (error) { 2195 free(data, M_TEMP); 2196 break; 2197 } 2198 data->page.audio.port[LEFT_PORT].channels = 2199 arg->patch[0]; 2200 data->page.audio.port[RIGHT_PORT].channels = 2201 arg->patch[1]; 2202 data->page.audio.port[2].channels = arg->patch[2]; 2203 data->page.audio.port[3].channels = arg->patch[3]; 2204 error = cdsetmode(periph, data); 2205 free(data, M_TEMP); 2206 } 2207 break; 2208 case CDIOCGETVOL: 2209 { 2210 struct ioc_vol *arg = (struct ioc_vol *) addr; 2211 struct cd_mode_data *data; 2212 2213 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2214 ("trying to do CDIOCGETVOL\n")); 2215 2216 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2217 M_WAITOK); 2218 error = cdgetmode(periph, data, AUDIO_PAGE); 2219 if (error) { 2220 free(data, M_TEMP); 2221 break; 2222 } 2223 arg->vol[LEFT_PORT] = 2224 data->page.audio.port[LEFT_PORT].volume; 2225 arg->vol[RIGHT_PORT] = 2226 data->page.audio.port[RIGHT_PORT].volume; 2227 arg->vol[2] = data->page.audio.port[2].volume; 2228 arg->vol[3] = data->page.audio.port[3].volume; 2229 free(data, M_TEMP); 2230 } 2231 break; 2232 case CDIOCSETVOL: 2233 { 2234 struct ioc_vol *arg = (struct ioc_vol *) addr; 2235 struct cd_mode_data *data; 2236 2237 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2238 ("trying to do CDIOCSETVOL\n")); 2239 2240 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2241 M_WAITOK); 2242 error = cdgetmode(periph, data, AUDIO_PAGE); 2243 if (error) { 2244 free(data, M_TEMP); 2245 break; 2246 } 2247 data->page.audio.port[LEFT_PORT].channels = CHANNEL_0; 2248 data->page.audio.port[LEFT_PORT].volume = 2249 arg->vol[LEFT_PORT]; 2250 data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1; 2251 data->page.audio.port[RIGHT_PORT].volume = 2252 arg->vol[RIGHT_PORT]; 2253 data->page.audio.port[2].volume = arg->vol[2]; 2254 data->page.audio.port[3].volume = arg->vol[3]; 2255 error = cdsetmode(periph, data); 2256 free(data, M_TEMP); 2257 } 2258 break; 2259 case CDIOCSETMONO: 2260 { 2261 struct cd_mode_data *data; 2262 2263 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2264 ("trying to do CDIOCSETMONO\n")); 2265 2266 data = malloc(sizeof(struct cd_mode_data), 2267 M_TEMP, M_WAITOK); 2268 error = cdgetmode(periph, data, AUDIO_PAGE); 2269 if (error) { 2270 free(data, M_TEMP); 2271 break; 2272 } 2273 data->page.audio.port[LEFT_PORT].channels = 2274 LEFT_CHANNEL | RIGHT_CHANNEL; 2275 data->page.audio.port[RIGHT_PORT].channels = 2276 LEFT_CHANNEL | RIGHT_CHANNEL; 2277 data->page.audio.port[2].channels = 0; 2278 data->page.audio.port[3].channels = 0; 2279 error = cdsetmode(periph, data); 2280 free(data, M_TEMP); 2281 } 2282 break; 2283 case CDIOCSETSTEREO: 2284 { 2285 struct cd_mode_data *data; 2286 2287 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2288 ("trying to do CDIOCSETSTEREO\n")); 2289 2290 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2291 M_WAITOK); 2292 error = cdgetmode(periph, data, AUDIO_PAGE); 2293 if (error) { 2294 free(data, M_TEMP); 2295 break; 2296 } 2297 data->page.audio.port[LEFT_PORT].channels = 2298 LEFT_CHANNEL; 2299 data->page.audio.port[RIGHT_PORT].channels = 2300 RIGHT_CHANNEL; 2301 data->page.audio.port[2].channels = 0; 2302 data->page.audio.port[3].channels = 0; 2303 error = cdsetmode(periph, data); 2304 free(data, M_TEMP); 2305 } 2306 break; 2307 case CDIOCSETMUTE: 2308 { 2309 struct cd_mode_data *data; 2310 2311 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2312 ("trying to do CDIOCSETMUTE\n")); 2313 2314 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2315 M_WAITOK); 2316 error = cdgetmode(periph, data, AUDIO_PAGE); 2317 if (error) { 2318 free(data, M_TEMP); 2319 break; 2320 } 2321 data->page.audio.port[LEFT_PORT].channels = 0; 2322 data->page.audio.port[RIGHT_PORT].channels = 0; 2323 data->page.audio.port[2].channels = 0; 2324 data->page.audio.port[3].channels = 0; 2325 error = cdsetmode(periph, data); 2326 free(data, M_TEMP); 2327 } 2328 break; 2329 case CDIOCSETLEFT: 2330 { 2331 struct cd_mode_data *data; 2332 2333 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2334 ("trying to do CDIOCSETLEFT\n")); 2335 2336 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2337 M_WAITOK); 2338 error = cdgetmode(periph, data, AUDIO_PAGE); 2339 if (error) { 2340 free(data, M_TEMP); 2341 break; 2342 } 2343 data->page.audio.port[LEFT_PORT].channels = 2344 LEFT_CHANNEL; 2345 data->page.audio.port[RIGHT_PORT].channels = 2346 LEFT_CHANNEL; 2347 data->page.audio.port[2].channels = 0; 2348 data->page.audio.port[3].channels = 0; 2349 error = cdsetmode(periph, data); 2350 free(data, M_TEMP); 2351 } 2352 break; 2353 case CDIOCSETRIGHT: 2354 { 2355 struct cd_mode_data *data; 2356 2357 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2358 ("trying to do CDIOCSETRIGHT\n")); 2359 2360 data = malloc(sizeof(struct cd_mode_data), M_TEMP, 2361 M_WAITOK); 2362 error = cdgetmode(periph, data, AUDIO_PAGE); 2363 if (error) { 2364 free(data, M_TEMP); 2365 break; 2366 } 2367 data->page.audio.port[LEFT_PORT].channels = 2368 RIGHT_CHANNEL; 2369 data->page.audio.port[RIGHT_PORT].channels = 2370 RIGHT_CHANNEL; 2371 data->page.audio.port[2].channels = 0; 2372 data->page.audio.port[3].channels = 0; 2373 error = cdsetmode(periph, data); 2374 free(data, M_TEMP); 2375 } 2376 break; 2377 case CDIOCRESUME: 2378 error = cdpause(periph, 1); 2379 break; 2380 case CDIOCPAUSE: 2381 error = cdpause(periph, 0); 2382 break; 2383 case CDIOCSTART: 2384 error = cdstartunit(periph); 2385 break; 2386 case CDIOCSTOP: 2387 error = cdstopunit(periph, 0); 2388 break; 2389 case CDIOCEJECT: 2390 error = cdstopunit(periph, 1); 2391 break; 2392 case CDIOCALLOW: 2393 cdprevent(periph, PR_ALLOW); 2394 break; 2395 case CDIOCPREVENT: 2396 cdprevent(periph, PR_PREVENT); 2397 break; 2398 case CDIOCSETDEBUG: 2399 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2400 error = ENOTTY; 2401 break; 2402 case CDIOCCLRDEBUG: 2403 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2404 error = ENOTTY; 2405 break; 2406 case CDIOCRESET: 2407 /* return (cd_reset(periph)); */ 2408 error = ENOTTY; 2409 break; 2410 case DVDIOCSENDKEY: 2411 case DVDIOCREPORTKEY: { 2412 struct dvd_authinfo *authinfo; 2413 2414 authinfo = (struct dvd_authinfo *)addr; 2415 2416 if (cmd == DVDIOCREPORTKEY) 2417 error = cdreportkey(periph, authinfo); 2418 else 2419 error = cdsendkey(periph, authinfo); 2420 break; 2421 } 2422 case DVDIOCREADSTRUCTURE: { 2423 struct dvd_struct *dvdstruct; 2424 2425 dvdstruct = (struct dvd_struct *)addr; 2426 2427 error = cdreaddvdstructure(periph, dvdstruct); 2428 2429 break; 2430 } 2431 default: 2432 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2433 break; 2434 } 2435 2436 cam_periph_unlock(periph); 2437 2438 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2439 2440 return (error); 2441} 2442 2443static void 2444cdprevent(struct cam_periph *periph, int action) 2445{ 2446 union ccb *ccb; 2447 struct cd_softc *softc; 2448 int error; 2449 2450 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2451 2452 softc = (struct cd_softc *)periph->softc; 2453 2454 if (((action == PR_ALLOW) 2455 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2456 || ((action == PR_PREVENT) 2457 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2458 return; 2459 } 2460 2461 ccb = cdgetccb(periph, /* priority */ 1); 2462 2463 scsi_prevent(&ccb->csio, 2464 /*retries*/ 1, 2465 cddone, 2466 MSG_SIMPLE_Q_TAG, 2467 action, 2468 SSD_FULL_SIZE, 2469 /* timeout */60000); 2470 2471 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2472 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2473 2474 xpt_release_ccb(ccb); 2475 2476 if (error == 0) { 2477 if (action == PR_ALLOW) 2478 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2479 else 2480 softc->flags |= CD_FLAG_DISC_LOCKED; 2481 } 2482} 2483 2484static int 2485cdsize(dev_t dev, u_int32_t *size) 2486{ 2487 struct cam_periph *periph; 2488 struct cd_softc *softc; 2489 union ccb *ccb; 2490 struct scsi_read_capacity_data *rcap_buf; 2491 int error; 2492 2493 periph = (struct cam_periph *)dev->si_drv1; 2494 if (periph == NULL) 2495 return (ENXIO); 2496 2497 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2498 2499 softc = (struct cd_softc *)periph->softc; 2500 2501 ccb = cdgetccb(periph, /* priority */ 1); 2502 2503 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2504 M_TEMP, M_WAITOK); 2505 2506 scsi_read_capacity(&ccb->csio, 2507 /*retries*/ 1, 2508 cddone, 2509 MSG_SIMPLE_Q_TAG, 2510 rcap_buf, 2511 SSD_FULL_SIZE, 2512 /* timeout */20000); 2513 2514 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2515 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2516 2517 xpt_release_ccb(ccb); 2518 2519 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2520 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2521 /* 2522 * SCSI-3 mandates that the reported blocksize shall be 2048. 2523 * Older drives sometimes report funny values, trim it down to 2524 * 2048, or other parts of the kernel will get confused. 2525 * 2526 * XXX we leave drives alone that might report 512 bytes, as 2527 * well as drives reporting more weird sizes like perhaps 4K. 2528 */ 2529 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2530 softc->params.blksize = 2048; 2531 2532 free(rcap_buf, M_TEMP); 2533 *size = softc->params.disksize; 2534 2535 return (error); 2536 2537} 2538 2539/* 2540 * The idea here is to try to figure out whether the first track is data or 2541 * audio. If it is data, we can at least attempt to read a disklabel off 2542 * the first sector of the disk. If it is audio, there won't be a 2543 * disklabel. 2544 * 2545 * This routine returns 0 if the first track is data, and non-zero if there 2546 * is an error or the first track is audio. (If either non-zero case, we 2547 * should not attempt to read the disklabel.) 2548 */ 2549static int 2550cdfirsttrackisdata(struct cam_periph *periph) 2551{ 2552 struct cdtocdata { 2553 struct ioc_toc_header header; 2554 struct cd_toc_entry entries[100]; 2555 }; 2556 struct cd_softc *softc; 2557 struct ioc_toc_header *th; 2558 struct cdtocdata *data; 2559 int num_entries, i; 2560 int error, first_track_audio; 2561 2562 error = 0; 2563 first_track_audio = -1; 2564 2565 softc = (struct cd_softc *)periph->softc; 2566 2567 data = malloc(sizeof(struct cdtocdata), M_TEMP, M_WAITOK); 2568 2569 th = &data->header; 2570 error = cdreadtoc(periph, 0, 0, (struct cd_toc_entry *)data, 2571 sizeof(*data)); 2572 2573 if (error) 2574 goto bailout; 2575 2576 if (softc->quirks & CD_Q_BCD_TRACKS) { 2577 /* we are going to have to convert the BCD 2578 * encoding on the cd to what is expected 2579 */ 2580 th->starting_track = 2581 bcd2bin(th->starting_track); 2582 th->ending_track = bcd2bin(th->ending_track); 2583 } 2584 th->len = scsi_2btoul((u_int8_t *)&th->len); 2585 2586 if ((th->len - 2) > 0) 2587 num_entries = (th->len - 2) / sizeof(struct cd_toc_entry); 2588 else 2589 num_entries = 0; 2590 2591 for (i = 0; i < num_entries; i++) { 2592 if (data->entries[i].track == th->starting_track) { 2593 if (data->entries[i].control & 0x4) 2594 first_track_audio = 0; 2595 else 2596 first_track_audio = 1; 2597 break; 2598 } 2599 } 2600 2601 if (first_track_audio == -1) 2602 error = ENOENT; 2603 else if (first_track_audio == 1) 2604 error = EINVAL; 2605 else 2606 error = 0; 2607bailout: 2608 free(data, M_TEMP); 2609 2610 return(error); 2611} 2612 2613static int 2614cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2615{ 2616 struct cd_softc *softc; 2617 struct cam_periph *periph; 2618 2619 periph = xpt_path_periph(ccb->ccb_h.path); 2620 softc = (struct cd_softc *)periph->softc; 2621 2622 /* 2623 * XXX 2624 * Until we have a better way of doing pack validation, 2625 * don't treat UAs as errors. 2626 */ 2627 sense_flags |= SF_RETRY_UA; 2628 return (cam_periph_error(ccb, cam_flags, sense_flags, 2629 &softc->saved_ccb)); 2630} 2631 2632/* 2633 * Read table of contents 2634 */ 2635static int 2636cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2637 struct cd_toc_entry *data, u_int32_t len) 2638{ 2639 struct scsi_read_toc *scsi_cmd; 2640 u_int32_t ntoc; 2641 struct ccb_scsiio *csio; 2642 union ccb *ccb; 2643 int error; 2644 2645 ntoc = len; 2646 error = 0; 2647 2648 ccb = cdgetccb(periph, /* priority */ 1); 2649 2650 csio = &ccb->csio; 2651 2652 cam_fill_csio(csio, 2653 /* retries */ 1, 2654 /* cbfcnp */ cddone, 2655 /* flags */ CAM_DIR_IN, 2656 /* tag_action */ MSG_SIMPLE_Q_TAG, 2657 /* data_ptr */ (u_int8_t *)data, 2658 /* dxfer_len */ len, 2659 /* sense_len */ SSD_FULL_SIZE, 2660 sizeof(struct scsi_read_toc), 2661 /* timeout */ 50000); 2662 2663 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2664 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2665 2666 if (mode == CD_MSF_FORMAT) 2667 scsi_cmd->byte2 |= CD_MSF; 2668 scsi_cmd->from_track = start; 2669 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2670 scsi_cmd->data_len[0] = (ntoc) >> 8; 2671 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2672 2673 scsi_cmd->op_code = READ_TOC; 2674 2675 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2676 /*sense_flags*/SF_RETRY_UA); 2677 2678 xpt_release_ccb(ccb); 2679 2680 return(error); 2681} 2682 2683static int 2684cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2685 u_int32_t format, int track, 2686 struct cd_sub_channel_info *data, u_int32_t len) 2687{ 2688 struct scsi_read_subchannel *scsi_cmd; 2689 struct ccb_scsiio *csio; 2690 union ccb *ccb; 2691 int error; 2692 2693 error = 0; 2694 2695 ccb = cdgetccb(periph, /* priority */ 1); 2696 2697 csio = &ccb->csio; 2698 2699 cam_fill_csio(csio, 2700 /* retries */ 1, 2701 /* cbfcnp */ cddone, 2702 /* flags */ CAM_DIR_IN, 2703 /* tag_action */ MSG_SIMPLE_Q_TAG, 2704 /* data_ptr */ (u_int8_t *)data, 2705 /* dxfer_len */ len, 2706 /* sense_len */ SSD_FULL_SIZE, 2707 sizeof(struct scsi_read_subchannel), 2708 /* timeout */ 50000); 2709 2710 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2711 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2712 2713 scsi_cmd->op_code = READ_SUBCHANNEL; 2714 if (mode == CD_MSF_FORMAT) 2715 scsi_cmd->byte1 |= CD_MSF; 2716 scsi_cmd->byte2 = SRS_SUBQ; 2717 scsi_cmd->subchan_format = format; 2718 scsi_cmd->track = track; 2719 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2720 scsi_cmd->control = 0; 2721 2722 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2723 /*sense_flags*/SF_RETRY_UA); 2724 2725 xpt_release_ccb(ccb); 2726 2727 return(error); 2728} 2729 2730 2731static int 2732cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page) 2733{ 2734 struct scsi_mode_sense_6 *scsi_cmd; 2735 struct ccb_scsiio *csio; 2736 union ccb *ccb; 2737 int error; 2738 2739 ccb = cdgetccb(periph, /* priority */ 1); 2740 2741 csio = &ccb->csio; 2742 2743 bzero(data, sizeof(*data)); 2744 cam_fill_csio(csio, 2745 /* retries */ 1, 2746 /* cbfcnp */ cddone, 2747 /* flags */ CAM_DIR_IN, 2748 /* tag_action */ MSG_SIMPLE_Q_TAG, 2749 /* data_ptr */ (u_int8_t *)data, 2750 /* dxfer_len */ sizeof(*data), 2751 /* sense_len */ SSD_FULL_SIZE, 2752 sizeof(struct scsi_mode_sense_6), 2753 /* timeout */ 50000); 2754 2755 scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; 2756 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2757 2758 scsi_cmd->page = page; 2759 scsi_cmd->length = sizeof(*data) & 0xff; 2760 scsi_cmd->opcode = MODE_SENSE; 2761 2762 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2763 /*sense_flags*/SF_RETRY_UA); 2764 2765 xpt_release_ccb(ccb); 2766 2767 return(error); 2768} 2769 2770static int 2771cdsetmode(struct cam_periph *periph, struct cd_mode_data *data) 2772{ 2773 struct scsi_mode_select_6 *scsi_cmd; 2774 struct ccb_scsiio *csio; 2775 union ccb *ccb; 2776 int error; 2777 2778 ccb = cdgetccb(periph, /* priority */ 1); 2779 2780 csio = &ccb->csio; 2781 2782 error = 0; 2783 2784 cam_fill_csio(csio, 2785 /* retries */ 1, 2786 /* cbfcnp */ cddone, 2787 /* flags */ CAM_DIR_OUT, 2788 /* tag_action */ MSG_SIMPLE_Q_TAG, 2789 /* data_ptr */ (u_int8_t *)data, 2790 /* dxfer_len */ sizeof(*data), 2791 /* sense_len */ SSD_FULL_SIZE, 2792 sizeof(struct scsi_mode_select_6), 2793 /* timeout */ 50000); 2794 2795 scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; 2796 2797 bzero(scsi_cmd, sizeof(*scsi_cmd)); 2798 scsi_cmd->opcode = MODE_SELECT; 2799 scsi_cmd->byte2 |= SMS_PF; 2800 scsi_cmd->length = sizeof(*data) & 0xff; 2801 data->header.data_length = 0; 2802 /* 2803 * SONY drives do not allow a mode select with a medium_type 2804 * value that has just been returned by a mode sense; use a 2805 * medium_type of 0 (Default) instead. 2806 */ 2807 data->header.medium_type = 0; 2808 2809 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2810 /*sense_flags*/SF_RETRY_UA); 2811 2812 xpt_release_ccb(ccb); 2813 2814 return(error); 2815} 2816 2817 2818static int 2819cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2820{ 2821 struct ccb_scsiio *csio; 2822 union ccb *ccb; 2823 int error; 2824 u_int8_t cdb_len; 2825 2826 error = 0; 2827 ccb = cdgetccb(periph, /* priority */ 1); 2828 csio = &ccb->csio; 2829 /* 2830 * Use the smallest possible command to perform the operation. 2831 */ 2832 if ((len & 0xffff0000) == 0) { 2833 /* 2834 * We can fit in a 10 byte cdb. 2835 */ 2836 struct scsi_play_10 *scsi_cmd; 2837 2838 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2839 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2840 scsi_cmd->op_code = PLAY_10; 2841 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2842 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2843 cdb_len = sizeof(*scsi_cmd); 2844 } else { 2845 struct scsi_play_12 *scsi_cmd; 2846 2847 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2848 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2849 scsi_cmd->op_code = PLAY_12; 2850 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2851 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2852 cdb_len = sizeof(*scsi_cmd); 2853 } 2854 cam_fill_csio(csio, 2855 /*retries*/2, 2856 cddone, 2857 /*flags*/CAM_DIR_NONE, 2858 MSG_SIMPLE_Q_TAG, 2859 /*dataptr*/NULL, 2860 /*datalen*/0, 2861 /*sense_len*/SSD_FULL_SIZE, 2862 cdb_len, 2863 /*timeout*/50 * 1000); 2864 2865 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2866 /*sense_flags*/SF_RETRY_UA); 2867 2868 xpt_release_ccb(ccb); 2869 2870 return(error); 2871} 2872 2873static int 2874cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 2875 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 2876{ 2877 struct scsi_play_msf *scsi_cmd; 2878 struct ccb_scsiio *csio; 2879 union ccb *ccb; 2880 int error; 2881 2882 error = 0; 2883 2884 ccb = cdgetccb(periph, /* priority */ 1); 2885 2886 csio = &ccb->csio; 2887 2888 cam_fill_csio(csio, 2889 /* retries */ 1, 2890 /* cbfcnp */ cddone, 2891 /* flags */ CAM_DIR_NONE, 2892 /* tag_action */ MSG_SIMPLE_Q_TAG, 2893 /* data_ptr */ NULL, 2894 /* dxfer_len */ 0, 2895 /* sense_len */ SSD_FULL_SIZE, 2896 sizeof(struct scsi_play_msf), 2897 /* timeout */ 50000); 2898 2899 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 2900 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2901 2902 scsi_cmd->op_code = PLAY_MSF; 2903 scsi_cmd->start_m = startm; 2904 scsi_cmd->start_s = starts; 2905 scsi_cmd->start_f = startf; 2906 scsi_cmd->end_m = endm; 2907 scsi_cmd->end_s = ends; 2908 scsi_cmd->end_f = endf; 2909 2910 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2911 /*sense_flags*/SF_RETRY_UA); 2912 2913 xpt_release_ccb(ccb); 2914 2915 return(error); 2916} 2917 2918 2919static int 2920cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 2921 u_int32_t etrack, u_int32_t eindex) 2922{ 2923 struct scsi_play_track *scsi_cmd; 2924 struct ccb_scsiio *csio; 2925 union ccb *ccb; 2926 int error; 2927 2928 error = 0; 2929 2930 ccb = cdgetccb(periph, /* priority */ 1); 2931 2932 csio = &ccb->csio; 2933 2934 cam_fill_csio(csio, 2935 /* retries */ 1, 2936 /* cbfcnp */ cddone, 2937 /* flags */ CAM_DIR_NONE, 2938 /* tag_action */ MSG_SIMPLE_Q_TAG, 2939 /* data_ptr */ NULL, 2940 /* dxfer_len */ 0, 2941 /* sense_len */ SSD_FULL_SIZE, 2942 sizeof(struct scsi_play_track), 2943 /* timeout */ 50000); 2944 2945 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 2946 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2947 2948 scsi_cmd->op_code = PLAY_TRACK; 2949 scsi_cmd->start_track = strack; 2950 scsi_cmd->start_index = sindex; 2951 scsi_cmd->end_track = etrack; 2952 scsi_cmd->end_index = eindex; 2953 2954 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2955 /*sense_flags*/SF_RETRY_UA); 2956 2957 xpt_release_ccb(ccb); 2958 2959 return(error); 2960} 2961 2962static int 2963cdpause(struct cam_periph *periph, u_int32_t go) 2964{ 2965 struct scsi_pause *scsi_cmd; 2966 struct ccb_scsiio *csio; 2967 union ccb *ccb; 2968 int error; 2969 2970 error = 0; 2971 2972 ccb = cdgetccb(periph, /* priority */ 1); 2973 2974 csio = &ccb->csio; 2975 2976 cam_fill_csio(csio, 2977 /* retries */ 1, 2978 /* cbfcnp */ cddone, 2979 /* flags */ CAM_DIR_NONE, 2980 /* tag_action */ MSG_SIMPLE_Q_TAG, 2981 /* data_ptr */ NULL, 2982 /* dxfer_len */ 0, 2983 /* sense_len */ SSD_FULL_SIZE, 2984 sizeof(struct scsi_pause), 2985 /* timeout */ 50000); 2986 2987 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 2988 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2989 2990 scsi_cmd->op_code = PAUSE; 2991 scsi_cmd->resume = go; 2992 2993 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2994 /*sense_flags*/SF_RETRY_UA); 2995 2996 xpt_release_ccb(ccb); 2997 2998 return(error); 2999} 3000 3001static int 3002cdstartunit(struct cam_periph *periph) 3003{ 3004 union ccb *ccb; 3005 int error; 3006 3007 error = 0; 3008 3009 ccb = cdgetccb(periph, /* priority */ 1); 3010 3011 scsi_start_stop(&ccb->csio, 3012 /* retries */ 1, 3013 /* cbfcnp */ cddone, 3014 /* tag_action */ MSG_SIMPLE_Q_TAG, 3015 /* start */ TRUE, 3016 /* load_eject */ FALSE, 3017 /* immediate */ FALSE, 3018 /* sense_len */ SSD_FULL_SIZE, 3019 /* timeout */ 50000); 3020 3021 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3022 /*sense_flags*/SF_RETRY_UA); 3023 3024 xpt_release_ccb(ccb); 3025 3026 return(error); 3027} 3028 3029static int 3030cdstopunit(struct cam_periph *periph, u_int32_t eject) 3031{ 3032 union ccb *ccb; 3033 int error; 3034 3035 error = 0; 3036 3037 ccb = cdgetccb(periph, /* priority */ 1); 3038 3039 scsi_start_stop(&ccb->csio, 3040 /* retries */ 1, 3041 /* cbfcnp */ cddone, 3042 /* tag_action */ MSG_SIMPLE_Q_TAG, 3043 /* start */ FALSE, 3044 /* load_eject */ eject, 3045 /* immediate */ FALSE, 3046 /* sense_len */ SSD_FULL_SIZE, 3047 /* timeout */ 50000); 3048 3049 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3050 /*sense_flags*/SF_RETRY_UA); 3051 3052 xpt_release_ccb(ccb); 3053 3054 return(error); 3055} 3056 3057static int 3058cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3059{ 3060 union ccb *ccb; 3061 u_int8_t *databuf; 3062 u_int32_t lba; 3063 int error; 3064 int length; 3065 3066 error = 0; 3067 databuf = NULL; 3068 lba = 0; 3069 3070 ccb = cdgetccb(periph, /* priority */ 1); 3071 3072 switch (authinfo->format) { 3073 case DVD_REPORT_AGID: 3074 length = sizeof(struct scsi_report_key_data_agid); 3075 break; 3076 case DVD_REPORT_CHALLENGE: 3077 length = sizeof(struct scsi_report_key_data_challenge); 3078 break; 3079 case DVD_REPORT_KEY1: 3080 length = sizeof(struct scsi_report_key_data_key1_key2); 3081 break; 3082 case DVD_REPORT_TITLE_KEY: 3083 length = sizeof(struct scsi_report_key_data_title); 3084 /* The lba field is only set for the title key */ 3085 lba = authinfo->lba; 3086 break; 3087 case DVD_REPORT_ASF: 3088 length = sizeof(struct scsi_report_key_data_asf); 3089 break; 3090 case DVD_REPORT_RPC: 3091 length = sizeof(struct scsi_report_key_data_rpc); 3092 break; 3093 case DVD_INVALIDATE_AGID: 3094 length = 0; 3095 break; 3096 default: 3097 error = EINVAL; 3098 goto bailout; 3099 break; /* NOTREACHED */ 3100 } 3101 3102 if (length != 0) { 3103 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3104 } else 3105 databuf = NULL; 3106 3107 3108 scsi_report_key(&ccb->csio, 3109 /* retries */ 1, 3110 /* cbfcnp */ cddone, 3111 /* tag_action */ MSG_SIMPLE_Q_TAG, 3112 /* lba */ lba, 3113 /* agid */ authinfo->agid, 3114 /* key_format */ authinfo->format, 3115 /* data_ptr */ databuf, 3116 /* dxfer_len */ length, 3117 /* sense_len */ SSD_FULL_SIZE, 3118 /* timeout */ 50000); 3119 3120 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3121 /*sense_flags*/SF_RETRY_UA); 3122 3123 if (error != 0) 3124 goto bailout; 3125 3126 if (ccb->csio.resid != 0) { 3127 xpt_print_path(periph->path); 3128 printf("warning, residual for report key command is %d\n", 3129 ccb->csio.resid); 3130 } 3131 3132 switch(authinfo->format) { 3133 case DVD_REPORT_AGID: { 3134 struct scsi_report_key_data_agid *agid_data; 3135 3136 agid_data = (struct scsi_report_key_data_agid *)databuf; 3137 3138 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3139 RKD_AGID_SHIFT; 3140 break; 3141 } 3142 case DVD_REPORT_CHALLENGE: { 3143 struct scsi_report_key_data_challenge *chal_data; 3144 3145 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3146 3147 bcopy(chal_data->challenge_key, authinfo->keychal, 3148 min(sizeof(chal_data->challenge_key), 3149 sizeof(authinfo->keychal))); 3150 break; 3151 } 3152 case DVD_REPORT_KEY1: { 3153 struct scsi_report_key_data_key1_key2 *key1_data; 3154 3155 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3156 3157 bcopy(key1_data->key1, authinfo->keychal, 3158 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3159 break; 3160 } 3161 case DVD_REPORT_TITLE_KEY: { 3162 struct scsi_report_key_data_title *title_data; 3163 3164 title_data = (struct scsi_report_key_data_title *)databuf; 3165 3166 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3167 RKD_TITLE_CPM_SHIFT; 3168 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3169 RKD_TITLE_CP_SEC_SHIFT; 3170 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3171 RKD_TITLE_CMGS_SHIFT; 3172 bcopy(title_data->title_key, authinfo->keychal, 3173 min(sizeof(title_data->title_key), 3174 sizeof(authinfo->keychal))); 3175 break; 3176 } 3177 case DVD_REPORT_ASF: { 3178 struct scsi_report_key_data_asf *asf_data; 3179 3180 asf_data = (struct scsi_report_key_data_asf *)databuf; 3181 3182 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3183 break; 3184 } 3185 case DVD_REPORT_RPC: { 3186 struct scsi_report_key_data_rpc *rpc_data; 3187 3188 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3189 3190 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3191 RKD_RPC_TYPE_SHIFT; 3192 authinfo->vend_rsts = 3193 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3194 RKD_RPC_VENDOR_RESET_SHIFT; 3195 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3196 authinfo->region = rpc_data->region_mask; 3197 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3198 break; 3199 } 3200 case DVD_INVALIDATE_AGID: 3201 break; 3202 default: 3203 /* This should be impossible, since we checked above */ 3204 error = EINVAL; 3205 goto bailout; 3206 break; /* NOTREACHED */ 3207 } 3208bailout: 3209 if (databuf != NULL) 3210 free(databuf, M_DEVBUF); 3211 3212 xpt_release_ccb(ccb); 3213 3214 return(error); 3215} 3216 3217static int 3218cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3219{ 3220 union ccb *ccb; 3221 u_int8_t *databuf; 3222 int length; 3223 int error; 3224 3225 error = 0; 3226 databuf = NULL; 3227 3228 ccb = cdgetccb(periph, /* priority */ 1); 3229 3230 switch(authinfo->format) { 3231 case DVD_SEND_CHALLENGE: { 3232 struct scsi_report_key_data_challenge *challenge_data; 3233 3234 length = sizeof(*challenge_data); 3235 3236 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3237 3238 databuf = (u_int8_t *)challenge_data; 3239 3240 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3241 challenge_data->data_len); 3242 3243 bcopy(authinfo->keychal, challenge_data->challenge_key, 3244 min(sizeof(authinfo->keychal), 3245 sizeof(challenge_data->challenge_key))); 3246 break; 3247 } 3248 case DVD_SEND_KEY2: { 3249 struct scsi_report_key_data_key1_key2 *key2_data; 3250 3251 length = sizeof(*key2_data); 3252 3253 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3254 3255 databuf = (u_int8_t *)key2_data; 3256 3257 scsi_ulto2b(length - sizeof(key2_data->data_len), 3258 key2_data->data_len); 3259 3260 bcopy(authinfo->keychal, key2_data->key1, 3261 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3262 3263 break; 3264 } 3265 case DVD_SEND_RPC: { 3266 struct scsi_send_key_data_rpc *rpc_data; 3267 3268 length = sizeof(*rpc_data); 3269 3270 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3271 3272 databuf = (u_int8_t *)rpc_data; 3273 3274 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3275 rpc_data->data_len); 3276 3277 rpc_data->region_code = authinfo->region; 3278 break; 3279 } 3280 default: 3281 error = EINVAL; 3282 goto bailout; 3283 break; /* NOTREACHED */ 3284 } 3285 3286 scsi_send_key(&ccb->csio, 3287 /* retries */ 1, 3288 /* cbfcnp */ cddone, 3289 /* tag_action */ MSG_SIMPLE_Q_TAG, 3290 /* agid */ authinfo->agid, 3291 /* key_format */ authinfo->format, 3292 /* data_ptr */ databuf, 3293 /* dxfer_len */ length, 3294 /* sense_len */ SSD_FULL_SIZE, 3295 /* timeout */ 50000); 3296 3297 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3298 /*sense_flags*/SF_RETRY_UA); 3299 3300bailout: 3301 3302 if (databuf != NULL) 3303 free(databuf, M_DEVBUF); 3304 3305 xpt_release_ccb(ccb); 3306 3307 return(error); 3308} 3309 3310static int 3311cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3312{ 3313 union ccb *ccb; 3314 u_int8_t *databuf; 3315 u_int32_t address; 3316 int error; 3317 int length; 3318 3319 error = 0; 3320 databuf = NULL; 3321 /* The address is reserved for many of the formats */ 3322 address = 0; 3323 3324 ccb = cdgetccb(periph, /* priority */ 1); 3325 3326 switch(dvdstruct->format) { 3327 case DVD_STRUCT_PHYSICAL: 3328 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3329 break; 3330 case DVD_STRUCT_COPYRIGHT: 3331 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3332 break; 3333 case DVD_STRUCT_DISCKEY: 3334 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3335 break; 3336 case DVD_STRUCT_BCA: 3337 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3338 break; 3339 case DVD_STRUCT_MANUFACT: 3340 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3341 break; 3342 case DVD_STRUCT_CMI: 3343 error = ENODEV; 3344 goto bailout; 3345#ifdef notyet 3346 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3347 address = dvdstruct->address; 3348#endif 3349 break; /* NOTREACHED */ 3350 case DVD_STRUCT_PROTDISCID: 3351 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3352 break; 3353 case DVD_STRUCT_DISCKEYBLOCK: 3354 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3355 break; 3356 case DVD_STRUCT_DDS: 3357 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3358 break; 3359 case DVD_STRUCT_MEDIUM_STAT: 3360 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3361 break; 3362 case DVD_STRUCT_SPARE_AREA: 3363 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3364 break; 3365 case DVD_STRUCT_RMD_LAST: 3366 error = ENODEV; 3367 goto bailout; 3368#ifdef notyet 3369 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3370 address = dvdstruct->address; 3371#endif 3372 break; /* NOTREACHED */ 3373 case DVD_STRUCT_RMD_RMA: 3374 error = ENODEV; 3375 goto bailout; 3376#ifdef notyet 3377 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3378 address = dvdstruct->address; 3379#endif 3380 break; /* NOTREACHED */ 3381 case DVD_STRUCT_PRERECORDED: 3382 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3383 break; 3384 case DVD_STRUCT_UNIQUEID: 3385 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3386 break; 3387 case DVD_STRUCT_DCB: 3388 error = ENODEV; 3389 goto bailout; 3390#ifdef notyet 3391 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3392 address = dvdstruct->address; 3393#endif 3394 break; /* NOTREACHED */ 3395 case DVD_STRUCT_LIST: 3396 /* 3397 * This is the maximum allocation length for the READ DVD 3398 * STRUCTURE command. There's nothing in the MMC3 spec 3399 * that indicates a limit in the amount of data that can 3400 * be returned from this call, other than the limits 3401 * imposed by the 2-byte length variables. 3402 */ 3403 length = 65535; 3404 break; 3405 default: 3406 error = EINVAL; 3407 goto bailout; 3408 break; /* NOTREACHED */ 3409 } 3410 3411 if (length != 0) { 3412 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3413 } else 3414 databuf = NULL; 3415 3416 scsi_read_dvd_structure(&ccb->csio, 3417 /* retries */ 1, 3418 /* cbfcnp */ cddone, 3419 /* tag_action */ MSG_SIMPLE_Q_TAG, 3420 /* lba */ address, 3421 /* layer_number */ dvdstruct->layer_num, 3422 /* key_format */ dvdstruct->format, 3423 /* agid */ dvdstruct->agid, 3424 /* data_ptr */ databuf, 3425 /* dxfer_len */ length, 3426 /* sense_len */ SSD_FULL_SIZE, 3427 /* timeout */ 50000); 3428 3429 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3430 /*sense_flags*/SF_RETRY_UA); 3431 3432 if (error != 0) 3433 goto bailout; 3434 3435 switch(dvdstruct->format) { 3436 case DVD_STRUCT_PHYSICAL: { 3437 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3438 struct dvd_layer *outlayer; 3439 struct scsi_read_dvd_struct_data_physical *phys_data; 3440 3441 phys_data = 3442 (struct scsi_read_dvd_struct_data_physical *)databuf; 3443 inlayer = &phys_data->layer_desc; 3444 outlayer = (struct dvd_layer *)&dvdstruct->data; 3445 3446 dvdstruct->length = sizeof(*inlayer); 3447 3448 outlayer->book_type = (inlayer->book_type_version & 3449 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3450 outlayer->book_version = (inlayer->book_type_version & 3451 RDSD_BOOK_VERSION_MASK); 3452 outlayer->disc_size = (inlayer->disc_size_max_rate & 3453 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3454 outlayer->max_rate = (inlayer->disc_size_max_rate & 3455 RDSD_MAX_RATE_MASK); 3456 outlayer->nlayers = (inlayer->layer_info & 3457 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3458 outlayer->track_path = (inlayer->layer_info & 3459 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3460 outlayer->layer_type = (inlayer->layer_info & 3461 RDSD_LAYER_TYPE_MASK); 3462 outlayer->linear_density = (inlayer->density & 3463 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3464 outlayer->track_density = (inlayer->density & 3465 RDSD_TRACK_DENSITY_MASK); 3466 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3467 RDSD_BCA_SHIFT; 3468 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3469 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3470 outlayer->end_sector_l0 = 3471 scsi_3btoul(inlayer->end_sector_layer0); 3472 break; 3473 } 3474 case DVD_STRUCT_COPYRIGHT: { 3475 struct scsi_read_dvd_struct_data_copyright *copy_data; 3476 3477 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3478 databuf; 3479 3480 dvdstruct->cpst = copy_data->cps_type; 3481 dvdstruct->rmi = copy_data->region_info; 3482 dvdstruct->length = 0; 3483 3484 break; 3485 } 3486 default: 3487 /* 3488 * Tell the user what the overall length is, no matter 3489 * what we can actually fit in the data buffer. 3490 */ 3491 dvdstruct->length = length - ccb->csio.resid - 3492 sizeof(struct scsi_read_dvd_struct_data_header); 3493 3494 /* 3495 * But only actually copy out the smaller of what we read 3496 * in or what the structure can take. 3497 */ 3498 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3499 dvdstruct->data, 3500 min(sizeof(dvdstruct->data), dvdstruct->length)); 3501 break; 3502 } 3503bailout: 3504 3505 if (databuf != NULL) 3506 free(databuf, M_DEVBUF); 3507 3508 xpt_release_ccb(ccb); 3509 3510 return(error); 3511} 3512 3513void 3514scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3515 void (*cbfcnp)(struct cam_periph *, union ccb *), 3516 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3517 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3518 u_int8_t sense_len, u_int32_t timeout) 3519{ 3520 struct scsi_report_key *scsi_cmd; 3521 3522 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3523 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3524 scsi_cmd->opcode = REPORT_KEY; 3525 scsi_ulto4b(lba, scsi_cmd->lba); 3526 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3527 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3528 (key_format & RK_KF_KEYFORMAT_MASK); 3529 3530 cam_fill_csio(csio, 3531 retries, 3532 cbfcnp, 3533 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3534 tag_action, 3535 /*data_ptr*/ data_ptr, 3536 /*dxfer_len*/ dxfer_len, 3537 sense_len, 3538 sizeof(*scsi_cmd), 3539 timeout); 3540} 3541 3542void 3543scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3544 void (*cbfcnp)(struct cam_periph *, union ccb *), 3545 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3546 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3547 u_int32_t timeout) 3548{ 3549 struct scsi_send_key *scsi_cmd; 3550 3551 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3552 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3553 scsi_cmd->opcode = SEND_KEY; 3554 3555 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3556 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3557 (key_format & RK_KF_KEYFORMAT_MASK); 3558 3559 cam_fill_csio(csio, 3560 retries, 3561 cbfcnp, 3562 /*flags*/ CAM_DIR_OUT, 3563 tag_action, 3564 /*data_ptr*/ data_ptr, 3565 /*dxfer_len*/ dxfer_len, 3566 sense_len, 3567 sizeof(*scsi_cmd), 3568 timeout); 3569} 3570 3571 3572void 3573scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3574 void (*cbfcnp)(struct cam_periph *, union ccb *), 3575 u_int8_t tag_action, u_int32_t address, 3576 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3577 u_int8_t *data_ptr, u_int32_t dxfer_len, 3578 u_int8_t sense_len, u_int32_t timeout) 3579{ 3580 struct scsi_read_dvd_structure *scsi_cmd; 3581 3582 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3583 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3584 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3585 3586 scsi_ulto4b(address, scsi_cmd->address); 3587 scsi_cmd->layer_number = layer_number; 3588 scsi_cmd->format = format; 3589 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3590 /* The AGID is the top two bits of this byte */ 3591 scsi_cmd->agid = agid << 6; 3592 3593 cam_fill_csio(csio, 3594 retries, 3595 cbfcnp, 3596 /*flags*/ CAM_DIR_IN, 3597 tag_action, 3598 /*data_ptr*/ data_ptr, 3599 /*dxfer_len*/ dxfer_len, 3600 sense_len, 3601 sizeof(*scsi_cmd), 3602 timeout); 3603} 3604