scsi_cd.c revision 111815
1/* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 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 111815 2003-03-03 12:15:54Z phk $ 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/cdrio.h> 60#include <sys/dvdio.h> 61#include <sys/devicestat.h> 62#include <sys/sysctl.h> 63 64#include <cam/cam.h> 65#include <cam/cam_ccb.h> 66#include <cam/cam_periph.h> 67#include <cam/cam_xpt_periph.h> 68#include <cam/cam_queue.h> 69 70#include <cam/scsi/scsi_message.h> 71#include <cam/scsi/scsi_da.h> 72#include <cam/scsi/scsi_cd.h> 73 74#define LEADOUT 0xaa /* leadout toc entry */ 75 76struct cd_params { 77 u_int32_t blksize; 78 u_long disksize; 79}; 80 81typedef enum { 82 CD_Q_NONE = 0x00, 83 CD_Q_NO_TOUCH = 0x01, 84 CD_Q_BCD_TRACKS = 0x02, 85 CD_Q_NO_CHANGER = 0x04, 86 CD_Q_CHANGER = 0x08, 87 CD_Q_10_BYTE_ONLY = 0x10 88} cd_quirks; 89 90typedef enum { 91 CD_FLAG_INVALID = 0x001, 92 CD_FLAG_NEW_DISC = 0x002, 93 CD_FLAG_DISC_LOCKED = 0x004, 94 CD_FLAG_DISC_REMOVABLE = 0x008, 95 CD_FLAG_TAGGED_QUEUING = 0x010, 96 CD_FLAG_CHANGER = 0x040, 97 CD_FLAG_ACTIVE = 0x080, 98 CD_FLAG_SCHED_ON_COMP = 0x100, 99 CD_FLAG_RETRY_UA = 0x200, 100 CD_FLAG_VALID_MEDIA = 0x400, 101 CD_FLAG_VALID_TOC = 0x800 102} cd_flags; 103 104typedef enum { 105 CD_CCB_PROBE = 0x01, 106 CD_CCB_BUFFER_IO = 0x02, 107 CD_CCB_WAITING = 0x03, 108 CD_CCB_TYPE_MASK = 0x0F, 109 CD_CCB_RETRY_UA = 0x10 110} cd_ccb_state; 111 112typedef enum { 113 CHANGER_TIMEOUT_SCHED = 0x01, 114 CHANGER_SHORT_TMOUT_SCHED = 0x02, 115 CHANGER_MANUAL_CALL = 0x04, 116 CHANGER_NEED_TIMEOUT = 0x08 117} cd_changer_flags; 118 119#define ccb_state ppriv_field0 120#define ccb_bp ppriv_ptr1 121 122struct cd_tocdata { 123 struct ioc_toc_header header; 124 struct cd_toc_entry entries[100]; 125}; 126 127struct cd_toc_single { 128 struct ioc_toc_header header; 129 struct cd_toc_entry entry; 130}; 131 132typedef enum { 133 CD_STATE_PROBE, 134 CD_STATE_NORMAL 135} cd_state; 136 137struct cd_softc { 138 cam_pinfo pinfo; 139 cd_state state; 140 volatile cd_flags flags; 141 struct bio_queue_head bio_queue; 142 LIST_HEAD(, ccb_hdr) pending_ccbs; 143 struct cd_params params; 144 union ccb saved_ccb; 145 cd_quirks quirks; 146 struct devstat device_stats; 147 STAILQ_ENTRY(cd_softc) changer_links; 148 struct cdchanger *changer; 149 int bufs_left; 150 struct cam_periph *periph; 151 dev_t dev; 152 eventhandler_tag clonetag; 153 int minimum_command_size; 154 struct sysctl_ctx_list sysctl_ctx; 155 struct sysctl_oid *sysctl_tree; 156 STAILQ_HEAD(, cd_mode_params) mode_queue; 157 struct cd_tocdata toc; 158}; 159 160struct cd_page_sizes { 161 int page; 162 int page_size; 163}; 164 165static struct cd_page_sizes cd_page_size_table[] = 166{ 167 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 168}; 169 170struct cd_quirk_entry { 171 struct scsi_inquiry_pattern inq_pat; 172 cd_quirks quirks; 173}; 174 175/* 176 * The changer quirk entries aren't strictly necessary. Basically, what 177 * they do is tell cdregister() up front that a device is a changer. 178 * Otherwise, it will figure that fact out once it sees a LUN on the device 179 * that is greater than 0. If it is known up front that a device is a changer, 180 * all I/O to the device will go through the changer scheduling routines, as 181 * opposed to the "normal" CD code. 182 * 183 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 184 * your device hangs when it gets a 10 byte command. Adding a quirk just 185 * to get rid of the informative diagnostic message is not acceptable. All 186 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 187 * referenced in a comment along with the quirk) , and must be approved by 188 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 189 * be removed until the submitter can explain why they are needed. 190 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 191 * when the CAM_NEW_TRAN_CODE work is done. 192 */ 193static struct cd_quirk_entry cd_quirk_table[] = 194{ 195 { 196 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 197 /*quirks*/ CD_Q_CHANGER 198 }, 199 { 200 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 201 "*"}, /* quirks */ CD_Q_CHANGER 202 }, 203 { 204 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 205 /* quirks */ CD_Q_CHANGER 206 }, 207 { 208 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 209 /* quirks */ CD_Q_BCD_TRACKS 210 } 211}; 212 213#define CD_CDEV_MAJOR 15 214 215static d_open_t cdopen; 216static d_close_t cdclose; 217static d_ioctl_t cdioctl; 218static d_strategy_t cdstrategy; 219 220static periph_init_t cdinit; 221static periph_ctor_t cdregister; 222static periph_dtor_t cdcleanup; 223static periph_start_t cdstart; 224static periph_oninv_t cdoninvalidate; 225static void cdasync(void *callback_arg, u_int32_t code, 226 struct cam_path *path, void *arg); 227static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 228static void cdshorttimeout(void *arg); 229static void cdschedule(struct cam_periph *periph, int priority); 230static void cdrunchangerqueue(void *arg); 231static void cdchangerschedule(struct cd_softc *softc); 232static int cdrunccb(union ccb *ccb, 233 int (*error_routine)(union ccb *ccb, 234 u_int32_t cam_flags, 235 u_int32_t sense_flags), 236 u_int32_t cam_flags, u_int32_t sense_flags); 237static union ccb *cdgetccb(struct cam_periph *periph, 238 u_int32_t priority); 239static void cddone(struct cam_periph *periph, 240 union ccb *start_ccb); 241static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 242static int cdgetpagesize(int page_num); 243static void cdprevent(struct cam_periph *periph, int action); 244static int cdcheckmedia(struct cam_periph *periph); 245static int cdsize(struct cam_periph *periph, u_int32_t *size); 246static int cd6byteworkaround(union ccb *ccb); 247static int cderror(union ccb *ccb, u_int32_t cam_flags, 248 u_int32_t sense_flags); 249static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 250 u_int32_t start, u_int8_t *data, 251 u_int32_t len, u_int32_t sense_flags); 252static int cdgetmode(struct cam_periph *periph, 253 struct cd_mode_params *data, u_int32_t page); 254static int cdsetmode(struct cam_periph *periph, 255 struct cd_mode_params *data); 256static int cdplay(struct cam_periph *periph, u_int32_t blk, 257 u_int32_t len); 258static int cdreadsubchannel(struct cam_periph *periph, 259 u_int32_t mode, u_int32_t format, 260 int track, 261 struct cd_sub_channel_info *data, 262 u_int32_t len); 263static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 264 u_int32_t starts, u_int32_t startf, 265 u_int32_t endm, u_int32_t ends, 266 u_int32_t endf); 267static int cdplaytracks(struct cam_periph *periph, 268 u_int32_t strack, u_int32_t sindex, 269 u_int32_t etrack, u_int32_t eindex); 270static int cdpause(struct cam_periph *periph, u_int32_t go); 271static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 272static int cdstartunit(struct cam_periph *periph, int load); 273static int cdsetspeed(struct cam_periph *periph, 274 u_int32_t rdspeed, u_int32_t wrspeed); 275static int cdreportkey(struct cam_periph *periph, 276 struct dvd_authinfo *authinfo); 277static int cdsendkey(struct cam_periph *periph, 278 struct dvd_authinfo *authinfo); 279static int cdreaddvdstructure(struct cam_periph *periph, 280 struct dvd_struct *dvdstruct); 281 282static struct periph_driver cddriver = 283{ 284 cdinit, "cd", 285 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 286}; 287 288PERIPHDRIVER_DECLARE(cd, cddriver); 289 290static struct cdevsw cd_cdevsw = { 291 .d_open = cdopen, 292 .d_close = cdclose, 293 .d_read = physread, 294 .d_write = physwrite, 295 .d_ioctl = cdioctl, 296 .d_strategy = cdstrategy, 297 .d_name = "cd", 298 .d_maj = CD_CDEV_MAJOR, 299 .d_flags = D_DISK, 300}; 301 302static int num_changers; 303 304#ifndef CHANGER_MIN_BUSY_SECONDS 305#define CHANGER_MIN_BUSY_SECONDS 5 306#endif 307#ifndef CHANGER_MAX_BUSY_SECONDS 308#define CHANGER_MAX_BUSY_SECONDS 15 309#endif 310 311static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 312static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 313 314SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 315SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 316SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 317 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 318TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 319SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 320 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 321TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 322 323struct cdchanger { 324 path_id_t path_id; 325 target_id_t target_id; 326 int num_devices; 327 struct camq devq; 328 struct timeval start_time; 329 struct cd_softc *cur_device; 330 struct callout_handle short_handle; 331 struct callout_handle long_handle; 332 volatile cd_changer_flags flags; 333 STAILQ_ENTRY(cdchanger) changer_links; 334 STAILQ_HEAD(chdevlist, cd_softc) chluns; 335}; 336 337static STAILQ_HEAD(changerlist, cdchanger) changerq; 338 339static void 340cdclone(void *arg, char *name, int namelen, dev_t *dev) 341{ 342 struct cd_softc *softc; 343 const char *p; 344 int l; 345 346 softc = arg; 347 p = devtoname(softc->dev); 348 l = strlen(p); 349 if (bcmp(name, p, l)) 350 return; 351 if (name[l] != 'a' && name[l] != 'c') 352 return; 353 if (name[l + 1] != '\0') 354 return; 355 *dev = softc->dev; 356 return; 357} 358 359static void 360cdinit(void) 361{ 362 cam_status status; 363 struct cam_path *path; 364 365 /* 366 * Install a global async callback. This callback will 367 * receive async callbacks like "new device found". 368 */ 369 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 370 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 371 372 if (status == CAM_REQ_CMP) { 373 struct ccb_setasync csa; 374 375 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 376 csa.ccb_h.func_code = XPT_SASYNC_CB; 377 csa.event_enable = AC_FOUND_DEVICE; 378 csa.callback = cdasync; 379 csa.callback_arg = NULL; 380 xpt_action((union ccb *)&csa); 381 status = csa.ccb_h.status; 382 xpt_free_path(path); 383 } 384 385 if (status != CAM_REQ_CMP) { 386 printf("cd: Failed to attach master async callback " 387 "due to status 0x%x!\n", status); 388 } 389} 390 391static void 392cdoninvalidate(struct cam_periph *periph) 393{ 394 int s; 395 struct cd_softc *softc; 396 struct bio *q_bp; 397 struct ccb_setasync csa; 398 399 softc = (struct cd_softc *)periph->softc; 400 401 /* 402 * De-register any async callbacks. 403 */ 404 xpt_setup_ccb(&csa.ccb_h, periph->path, 405 /* priority */ 5); 406 csa.ccb_h.func_code = XPT_SASYNC_CB; 407 csa.event_enable = 0; 408 csa.callback = cdasync; 409 csa.callback_arg = periph; 410 xpt_action((union ccb *)&csa); 411 412 softc->flags |= CD_FLAG_INVALID; 413 414 /* 415 * Although the oninvalidate() routines are always called at 416 * splsoftcam, we need to be at splbio() here to keep the buffer 417 * queue from being modified while we traverse it. 418 */ 419 s = splbio(); 420 421 /* 422 * Return all queued I/O with ENXIO. 423 * XXX Handle any transactions queued to the card 424 * with XPT_ABORT_CCB. 425 */ 426 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){ 427 bioq_remove(&softc->bio_queue, q_bp); 428 q_bp->bio_resid = q_bp->bio_bcount; 429 biofinish(q_bp, NULL, ENXIO); 430 } 431 splx(s); 432 433 /* 434 * If this device is part of a changer, and it was scheduled 435 * to run, remove it from the run queue since we just nuked 436 * all of its scheduled I/O. 437 */ 438 if ((softc->flags & CD_FLAG_CHANGER) 439 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 440 camq_remove(&softc->changer->devq, softc->pinfo.index); 441 442 xpt_print_path(periph->path); 443 printf("lost device\n"); 444} 445 446static void 447cdcleanup(struct cam_periph *periph) 448{ 449 struct cd_softc *softc; 450 int s; 451 452 softc = (struct cd_softc *)periph->softc; 453 454 xpt_print_path(periph->path); 455 printf("removing device entry\n"); 456 457 s = splsoftcam(); 458 /* 459 * In the queued, non-active case, the device in question 460 * has already been removed from the changer run queue. Since this 461 * device is active, we need to de-activate it, and schedule 462 * another device to run. (if there is another one to run) 463 */ 464 if ((softc->flags & CD_FLAG_CHANGER) 465 && (softc->flags & CD_FLAG_ACTIVE)) { 466 467 /* 468 * The purpose of the short timeout is soley to determine 469 * whether the current device has finished or not. Well, 470 * since we're removing the active device, we know that it 471 * is finished. So, get rid of the short timeout. 472 * Otherwise, if we're in the time period before the short 473 * timeout fires, and there are no other devices in the 474 * queue to run, there won't be any other device put in the 475 * active slot. i.e., when we call cdrunchangerqueue() 476 * below, it won't do anything. Then, when the short 477 * timeout fires, it'll look at the "current device", which 478 * we are free below, and possibly panic the kernel on a 479 * bogus pointer reference. 480 * 481 * The long timeout doesn't really matter, since we 482 * decrement the qfrozen_cnt to indicate that there is 483 * nothing in the active slot now. Therefore, there won't 484 * be any bogus pointer references there. 485 */ 486 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 487 untimeout(cdshorttimeout, softc->changer, 488 softc->changer->short_handle); 489 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 490 } 491 softc->changer->devq.qfrozen_cnt--; 492 softc->changer->flags |= CHANGER_MANUAL_CALL; 493 cdrunchangerqueue(softc->changer); 494 } 495 496 /* 497 * If we're removing the last device on the changer, go ahead and 498 * remove the changer device structure. 499 */ 500 if ((softc->flags & CD_FLAG_CHANGER) 501 && (--softc->changer->num_devices == 0)) { 502 503 /* 504 * Theoretically, there shouldn't be any timeouts left, but 505 * I'm not completely sure that that will be the case. So, 506 * it won't hurt to check and see if there are any left. 507 */ 508 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 509 untimeout(cdrunchangerqueue, softc->changer, 510 softc->changer->long_handle); 511 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 512 } 513 514 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 515 untimeout(cdshorttimeout, softc->changer, 516 softc->changer->short_handle); 517 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 518 } 519 520 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 521 changer_links); 522 xpt_print_path(periph->path); 523 printf("removing changer entry\n"); 524 free(softc->changer, M_DEVBUF); 525 num_changers--; 526 } 527 devstat_remove_entry(&softc->device_stats); 528 destroy_dev(softc->dev); 529 EVENTHANDLER_DEREGISTER(dev_clone, softc->clonetag); 530 free(softc, M_DEVBUF); 531 splx(s); 532} 533 534static void 535cdasync(void *callback_arg, u_int32_t code, 536 struct cam_path *path, void *arg) 537{ 538 struct cam_periph *periph; 539 540 periph = (struct cam_periph *)callback_arg; 541 switch (code) { 542 case AC_FOUND_DEVICE: 543 { 544 struct ccb_getdev *cgd; 545 cam_status status; 546 547 cgd = (struct ccb_getdev *)arg; 548 if (cgd == NULL) 549 break; 550 551 if (SID_TYPE(&cgd->inq_data) != T_CDROM 552 && SID_TYPE(&cgd->inq_data) != T_WORM) 553 break; 554 555 /* 556 * Allocate a peripheral instance for 557 * this device and start the probe 558 * process. 559 */ 560 status = cam_periph_alloc(cdregister, cdoninvalidate, 561 cdcleanup, cdstart, 562 "cd", CAM_PERIPH_BIO, 563 cgd->ccb_h.path, cdasync, 564 AC_FOUND_DEVICE, cgd); 565 566 if (status != CAM_REQ_CMP 567 && status != CAM_REQ_INPROG) 568 printf("cdasync: Unable to attach new device " 569 "due to status 0x%x\n", status); 570 571 break; 572 } 573 case AC_SENT_BDR: 574 case AC_BUS_RESET: 575 { 576 struct cd_softc *softc; 577 struct ccb_hdr *ccbh; 578 int s; 579 580 softc = (struct cd_softc *)periph->softc; 581 s = splsoftcam(); 582 /* 583 * Don't fail on the expected unit attention 584 * that will occur. 585 */ 586 softc->flags |= CD_FLAG_RETRY_UA; 587 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 588 ccbh->ccb_state |= CD_CCB_RETRY_UA; 589 splx(s); 590 /* FALLTHROUGH */ 591 } 592 default: 593 cam_periph_async(periph, code, path, arg); 594 break; 595 } 596} 597 598/* 599 * We have a handler function for this so we can check the values when the 600 * user sets them, instead of every time we look at them. 601 */ 602static int 603cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 604{ 605 int error, value; 606 607 value = *(int *)arg1; 608 609 error = sysctl_handle_int(oidp, &value, 0, req); 610 611 if ((error != 0) 612 || (req->newptr == NULL)) 613 return (error); 614 615 /* 616 * The only real values we can have here are 6 or 10. I don't 617 * really forsee having 12 be an option at any time in the future. 618 * So if the user sets something less than or equal to 6, we'll set 619 * it to 6. If he sets something greater than 6, we'll set it to 10. 620 * 621 * I suppose we could just return an error here for the wrong values, 622 * but I don't think it's necessary to do so, as long as we can 623 * determine the user's intent without too much trouble. 624 */ 625 if (value < 6) 626 value = 6; 627 else if (value > 6) 628 value = 10; 629 630 *(int *)arg1 = value; 631 632 return (0); 633} 634 635static cam_status 636cdregister(struct cam_periph *periph, void *arg) 637{ 638 struct cd_softc *softc; 639 struct ccb_setasync csa; 640 struct ccb_getdev *cgd; 641 char tmpstr[80], tmpstr2[80]; 642 caddr_t match; 643 644 cgd = (struct ccb_getdev *)arg; 645 if (periph == NULL) { 646 printf("cdregister: periph was NULL!!\n"); 647 return(CAM_REQ_CMP_ERR); 648 } 649 if (cgd == NULL) { 650 printf("cdregister: no getdev CCB, can't register device\n"); 651 return(CAM_REQ_CMP_ERR); 652 } 653 654 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 655 656 if (softc == NULL) { 657 printf("cdregister: Unable to probe new device. " 658 "Unable to allocate softc\n"); 659 return(CAM_REQ_CMP_ERR); 660 } 661 662 bzero(softc, sizeof(*softc)); 663 LIST_INIT(&softc->pending_ccbs); 664 STAILQ_INIT(&softc->mode_queue); 665 softc->state = CD_STATE_PROBE; 666 bioq_init(&softc->bio_queue); 667 if (SID_IS_REMOVABLE(&cgd->inq_data)) 668 softc->flags |= CD_FLAG_DISC_REMOVABLE; 669 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 670 softc->flags |= CD_FLAG_TAGGED_QUEUING; 671 672 periph->softc = softc; 673 softc->periph = periph; 674 675 /* 676 * See if this device has any quirks. 677 */ 678 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 679 (caddr_t)cd_quirk_table, 680 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 681 sizeof(*cd_quirk_table), scsi_inquiry_match); 682 683 if (match != NULL) 684 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 685 else 686 softc->quirks = CD_Q_NONE; 687 688 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 689 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 690 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 691 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 692 tmpstr2, CTLFLAG_RD, 0, tmpstr); 693 if (softc->sysctl_tree == NULL) { 694 printf("cdregister: unable to allocate sysctl tree\n"); 695 free(softc, M_DEVBUF); 696 return (CAM_REQ_CMP_ERR); 697 } 698 699 /* The default is 6 byte commands, unless quirked otherwise */ 700 if (softc->quirks & CD_Q_10_BYTE_ONLY) 701 softc->minimum_command_size = 10; 702 else 703 softc->minimum_command_size = 6; 704 705 /* 706 * Load the user's default, if any. 707 */ 708 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 709 periph->unit_number); 710 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 711 712 /* 6 and 10 are the only permissible values here. */ 713 if (softc->minimum_command_size < 6) 714 softc->minimum_command_size = 6; 715 else if (softc->minimum_command_size > 6) 716 softc->minimum_command_size = 10; 717 718 /* 719 * Now register the sysctl handler, so the user can the value on 720 * the fly. 721 */ 722 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 723 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 724 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 725 "Minimum CDB size"); 726 727 /* 728 * We need to register the statistics structure for this device, 729 * but we don't have the blocksize yet for it. So, we register 730 * the structure and indicate that we don't have the blocksize 731 * yet. Unlike other SCSI peripheral drivers, we explicitly set 732 * the device type here to be CDROM, rather than just ORing in 733 * the device type. This is because this driver can attach to either 734 * CDROM or WORM devices, and we want this peripheral driver to 735 * show up in the devstat list as a CD peripheral driver, not a 736 * WORM peripheral driver. WORM drives will also have the WORM 737 * driver attached to them. 738 */ 739 devstat_add_entry(&softc->device_stats, "cd", 740 periph->unit_number, 0, 741 DEVSTAT_BS_UNAVAILABLE, 742 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 743 DEVSTAT_PRIORITY_CD); 744 softc->dev = make_dev(&cd_cdevsw, periph->unit_number, 745 UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number); 746 softc->dev->si_drv1 = periph; 747 softc->clonetag = 748 EVENTHANDLER_REGISTER(dev_clone, cdclone, softc, 1000); 749 750 /* 751 * Add an async callback so that we get 752 * notified if this device goes away. 753 */ 754 xpt_setup_ccb(&csa.ccb_h, periph->path, 755 /* priority */ 5); 756 csa.ccb_h.func_code = XPT_SASYNC_CB; 757 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 758 csa.callback = cdasync; 759 csa.callback_arg = periph; 760 xpt_action((union ccb *)&csa); 761 762 /* 763 * If the target lun is greater than 0, we most likely have a CD 764 * changer device. Check the quirk entries as well, though, just 765 * in case someone has a CD tower with one lun per drive or 766 * something like that. Also, if we know up front that a 767 * particular device is a changer, we can mark it as such starting 768 * with lun 0, instead of lun 1. It shouldn't be necessary to have 769 * a quirk entry to define something as a changer, however. 770 */ 771 if (((cgd->ccb_h.target_lun > 0) 772 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 773 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 774 struct cdchanger *nchanger; 775 struct cam_periph *nperiph; 776 struct cam_path *path; 777 cam_status status; 778 int found; 779 780 /* Set the changer flag in the current device's softc */ 781 softc->flags |= CD_FLAG_CHANGER; 782 783 if (num_changers == 0) 784 STAILQ_INIT(&changerq); 785 786 /* 787 * Now, look around for an existing changer device with the 788 * same path and target ID as the current device. 789 */ 790 for (found = 0, 791 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 792 nchanger != NULL; 793 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 794 if ((nchanger->path_id == cgd->ccb_h.path_id) 795 && (nchanger->target_id == cgd->ccb_h.target_id)) { 796 found = 1; 797 break; 798 } 799 } 800 801 /* 802 * If we found a matching entry, just add this device to 803 * the list of devices on this changer. 804 */ 805 if (found == 1) { 806 struct chdevlist *chlunhead; 807 808 chlunhead = &nchanger->chluns; 809 810 /* 811 * XXX KDM look at consolidating this code with the 812 * code below in a separate function. 813 */ 814 815 /* 816 * Create a path with lun id 0, and see if we can 817 * find a matching device 818 */ 819 status = xpt_create_path(&path, /*periph*/ periph, 820 cgd->ccb_h.path_id, 821 cgd->ccb_h.target_id, 0); 822 823 if ((status == CAM_REQ_CMP) 824 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 825 struct cd_softc *nsoftc; 826 827 nsoftc = (struct cd_softc *)nperiph->softc; 828 829 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 830 nsoftc->flags |= CD_FLAG_CHANGER; 831 nchanger->num_devices++; 832 if (camq_resize(&nchanger->devq, 833 nchanger->num_devices)!=CAM_REQ_CMP){ 834 printf("cdregister: " 835 "camq_resize " 836 "failed, changer " 837 "support may " 838 "be messed up\n"); 839 } 840 nsoftc->changer = nchanger; 841 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 842 843 STAILQ_INSERT_TAIL(&nchanger->chluns, 844 nsoftc,changer_links); 845 } 846 xpt_free_path(path); 847 } else if (status == CAM_REQ_CMP) 848 xpt_free_path(path); 849 else { 850 printf("cdregister: unable to allocate path\n" 851 "cdregister: changer support may be " 852 "broken\n"); 853 } 854 855 nchanger->num_devices++; 856 857 softc->changer = nchanger; 858 softc->pinfo.index = CAM_UNQUEUED_INDEX; 859 860 if (camq_resize(&nchanger->devq, 861 nchanger->num_devices) != CAM_REQ_CMP) { 862 printf("cdregister: camq_resize " 863 "failed, changer support may " 864 "be messed up\n"); 865 } 866 867 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 868 } 869 /* 870 * In this case, we don't already have an entry for this 871 * particular changer, so we need to create one, add it to 872 * the queue, and queue this device on the list for this 873 * changer. Before we queue this device, however, we need 874 * to search for lun id 0 on this target, and add it to the 875 * queue first, if it exists. (and if it hasn't already 876 * been marked as part of the changer.) 877 */ 878 else { 879 nchanger = malloc(sizeof(struct cdchanger), 880 M_DEVBUF, M_NOWAIT); 881 882 if (nchanger == NULL) { 883 softc->flags &= ~CD_FLAG_CHANGER; 884 printf("cdregister: unable to malloc " 885 "changer structure\ncdregister: " 886 "changer support disabled\n"); 887 888 /* 889 * Yes, gotos can be gross but in this case 890 * I think it's justified.. 891 */ 892 goto cdregisterexit; 893 } 894 895 /* zero the structure */ 896 bzero(nchanger, sizeof(struct cdchanger)); 897 898 if (camq_init(&nchanger->devq, 1) != 0) { 899 softc->flags &= ~CD_FLAG_CHANGER; 900 printf("cdregister: changer support " 901 "disabled\n"); 902 goto cdregisterexit; 903 } 904 905 num_changers++; 906 907 nchanger->path_id = cgd->ccb_h.path_id; 908 nchanger->target_id = cgd->ccb_h.target_id; 909 910 /* this is superfluous, but it makes things clearer */ 911 nchanger->num_devices = 0; 912 913 STAILQ_INIT(&nchanger->chluns); 914 915 STAILQ_INSERT_TAIL(&changerq, nchanger, 916 changer_links); 917 918 /* 919 * Create a path with lun id 0, and see if we can 920 * find a matching device 921 */ 922 status = xpt_create_path(&path, /*periph*/ periph, 923 cgd->ccb_h.path_id, 924 cgd->ccb_h.target_id, 0); 925 926 /* 927 * If we were able to allocate the path, and if we 928 * find a matching device and it isn't already 929 * marked as part of a changer, then we add it to 930 * the current changer. 931 */ 932 if ((status == CAM_REQ_CMP) 933 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 934 && ((((struct cd_softc *)periph->softc)->flags & 935 CD_FLAG_CHANGER) == 0)) { 936 struct cd_softc *nsoftc; 937 938 nsoftc = (struct cd_softc *)nperiph->softc; 939 940 nsoftc->flags |= CD_FLAG_CHANGER; 941 nchanger->num_devices++; 942 if (camq_resize(&nchanger->devq, 943 nchanger->num_devices) != CAM_REQ_CMP) { 944 printf("cdregister: camq_resize " 945 "failed, changer support may " 946 "be messed up\n"); 947 } 948 nsoftc->changer = nchanger; 949 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 950 951 STAILQ_INSERT_TAIL(&nchanger->chluns, 952 nsoftc, changer_links); 953 xpt_free_path(path); 954 } else if (status == CAM_REQ_CMP) 955 xpt_free_path(path); 956 else { 957 printf("cdregister: unable to allocate path\n" 958 "cdregister: changer support may be " 959 "broken\n"); 960 } 961 962 softc->changer = nchanger; 963 softc->pinfo.index = CAM_UNQUEUED_INDEX; 964 nchanger->num_devices++; 965 if (camq_resize(&nchanger->devq, 966 nchanger->num_devices) != CAM_REQ_CMP) { 967 printf("cdregister: camq_resize " 968 "failed, changer support may " 969 "be messed up\n"); 970 } 971 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 972 changer_links); 973 } 974 } 975 976cdregisterexit: 977 978 /* Lock this peripheral until we are setup */ 979 /* Can't block */ 980 cam_periph_lock(periph, PRIBIO); 981 982 if ((softc->flags & CD_FLAG_CHANGER) == 0) 983 xpt_schedule(periph, /*priority*/5); 984 else 985 cdschedule(periph, /*priority*/ 5); 986 987 return(CAM_REQ_CMP); 988} 989 990static int 991cdopen(dev_t dev, int flags, int fmt, struct thread *td) 992{ 993 struct cam_periph *periph; 994 struct cd_softc *softc; 995 int error; 996 int s; 997 998 periph = (struct cam_periph *)dev->si_drv1; 999 if (periph == NULL) 1000 return (ENXIO); 1001 1002 softc = (struct cd_softc *)periph->softc; 1003 1004 /* 1005 * Grab splsoftcam and hold it until we lock the peripheral. 1006 */ 1007 s = splsoftcam(); 1008 if (softc->flags & CD_FLAG_INVALID) { 1009 splx(s); 1010 return(ENXIO); 1011 } 1012 1013 if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) { 1014 splx(s); 1015 return (error); 1016 } 1017 1018 splx(s); 1019 1020 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1021 return(ENXIO); 1022 1023 /* 1024 * Check for media, and set the appropriate flags. We don't bail 1025 * if we don't have media, but then we don't allow anything but the 1026 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1027 */ 1028 cdcheckmedia(periph); 1029 1030 cam_periph_unlock(periph); 1031 1032 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1033 1034 return (error); 1035} 1036 1037static int 1038cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1039{ 1040 struct cam_periph *periph; 1041 struct cd_softc *softc; 1042 int error; 1043 1044 periph = (struct cam_periph *)dev->si_drv1; 1045 if (periph == NULL) 1046 return (ENXIO); 1047 1048 softc = (struct cd_softc *)periph->softc; 1049 1050 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) 1051 return (error); 1052 1053 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1054 cdprevent(periph, PR_ALLOW); 1055 1056 /* 1057 * Since we're closing this CD, mark the blocksize as unavailable. 1058 * It will be marked as available when the CD is opened again. 1059 */ 1060 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1061 1062 /* 1063 * We'll check the media and toc again at the next open(). 1064 */ 1065 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1066 1067 cam_periph_unlock(periph); 1068 cam_periph_release(periph); 1069 1070 return (0); 1071} 1072 1073static void 1074cdshorttimeout(void *arg) 1075{ 1076 struct cdchanger *changer; 1077 int s; 1078 1079 s = splsoftcam(); 1080 1081 changer = (struct cdchanger *)arg; 1082 1083 /* Always clear the short timeout flag, since that's what we're in */ 1084 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1085 1086 /* 1087 * Check to see if there is any more pending or outstanding I/O for 1088 * this device. If not, move it out of the active slot. 1089 */ 1090 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1091 && (changer->cur_device->device_stats.busy_count == 0)) { 1092 changer->flags |= CHANGER_MANUAL_CALL; 1093 cdrunchangerqueue(changer); 1094 } 1095 1096 splx(s); 1097} 1098 1099/* 1100 * This is a wrapper for xpt_schedule. It only applies to changers. 1101 */ 1102static void 1103cdschedule(struct cam_periph *periph, int priority) 1104{ 1105 struct cd_softc *softc; 1106 int s; 1107 1108 s = splsoftcam(); 1109 1110 softc = (struct cd_softc *)periph->softc; 1111 1112 /* 1113 * If this device isn't currently queued, and if it isn't 1114 * the active device, then we queue this device and run the 1115 * changer queue if there is no timeout scheduled to do it. 1116 * If this device is the active device, just schedule it 1117 * to run again. If this device is queued, there should be 1118 * a timeout in place already that will make sure it runs. 1119 */ 1120 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1121 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1122 /* 1123 * We don't do anything with the priority here. 1124 * This is strictly a fifo queue. 1125 */ 1126 softc->pinfo.priority = 1; 1127 softc->pinfo.generation = ++softc->changer->devq.generation; 1128 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1129 1130 /* 1131 * Since we just put a device in the changer queue, 1132 * check and see if there is a timeout scheduled for 1133 * this changer. If so, let the timeout handle 1134 * switching this device into the active slot. If 1135 * not, manually call the timeout routine to 1136 * bootstrap things. 1137 */ 1138 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1139 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1140 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1141 softc->changer->flags |= CHANGER_MANUAL_CALL; 1142 cdrunchangerqueue(softc->changer); 1143 } 1144 } else if ((softc->flags & CD_FLAG_ACTIVE) 1145 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1146 xpt_schedule(periph, priority); 1147 1148 splx(s); 1149 1150} 1151 1152static void 1153cdrunchangerqueue(void *arg) 1154{ 1155 struct cd_softc *softc; 1156 struct cdchanger *changer; 1157 int called_from_timeout; 1158 int s; 1159 1160 s = splsoftcam(); 1161 1162 changer = (struct cdchanger *)arg; 1163 1164 /* 1165 * If we have NOT been called from cdstrategy() or cddone(), and 1166 * instead from a timeout routine, go ahead and clear the 1167 * timeout flag. 1168 */ 1169 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1170 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1171 called_from_timeout = 1; 1172 } else 1173 called_from_timeout = 0; 1174 1175 /* Always clear the manual call flag */ 1176 changer->flags &= ~CHANGER_MANUAL_CALL; 1177 1178 /* nothing to do if the queue is empty */ 1179 if (changer->devq.entries <= 0) { 1180 splx(s); 1181 return; 1182 } 1183 1184 /* 1185 * If the changer queue is frozen, that means we have an active 1186 * device. 1187 */ 1188 if (changer->devq.qfrozen_cnt > 0) { 1189 1190 if (changer->cur_device->device_stats.busy_count > 0) { 1191 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1192 changer->cur_device->bufs_left = 1193 changer->cur_device->device_stats.busy_count; 1194 if (called_from_timeout) { 1195 changer->long_handle = 1196 timeout(cdrunchangerqueue, changer, 1197 changer_max_busy_seconds * hz); 1198 changer->flags |= CHANGER_TIMEOUT_SCHED; 1199 } 1200 splx(s); 1201 return; 1202 } 1203 1204 /* 1205 * We always need to reset the frozen count and clear the 1206 * active flag. 1207 */ 1208 changer->devq.qfrozen_cnt--; 1209 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1210 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1211 1212 /* 1213 * Check to see whether the current device has any I/O left 1214 * to do. If so, requeue it at the end of the queue. If 1215 * not, there is no need to requeue it. 1216 */ 1217 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1218 1219 changer->cur_device->pinfo.generation = 1220 ++changer->devq.generation; 1221 camq_insert(&changer->devq, 1222 (cam_pinfo *)changer->cur_device); 1223 } 1224 } 1225 1226 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1227 1228 changer->cur_device = softc; 1229 1230 changer->devq.qfrozen_cnt++; 1231 softc->flags |= CD_FLAG_ACTIVE; 1232 1233 /* Just in case this device is waiting */ 1234 wakeup(&softc->changer); 1235 xpt_schedule(softc->periph, /*priority*/ 1); 1236 1237 /* 1238 * Get rid of any pending timeouts, and set a flag to schedule new 1239 * ones so this device gets its full time quantum. 1240 */ 1241 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1242 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1243 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1244 } 1245 1246 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1247 untimeout(cdshorttimeout, changer, changer->short_handle); 1248 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1249 } 1250 1251 /* 1252 * We need to schedule timeouts, but we only do this after the 1253 * first transaction has completed. This eliminates the changer 1254 * switch time. 1255 */ 1256 changer->flags |= CHANGER_NEED_TIMEOUT; 1257 1258 splx(s); 1259} 1260 1261static void 1262cdchangerschedule(struct cd_softc *softc) 1263{ 1264 struct cdchanger *changer; 1265 int s; 1266 1267 s = splsoftcam(); 1268 1269 changer = softc->changer; 1270 1271 /* 1272 * If this is a changer, and this is the current device, 1273 * and this device has at least the minimum time quantum to 1274 * run, see if we can switch it out. 1275 */ 1276 if ((softc->flags & CD_FLAG_ACTIVE) 1277 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1278 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1279 /* 1280 * We try three things here. The first is that we 1281 * check to see whether the schedule on completion 1282 * flag is set. If it is, we decrement the number 1283 * of buffers left, and if it's zero, we reschedule. 1284 * Next, we check to see whether the pending buffer 1285 * queue is empty and whether there are no 1286 * outstanding transactions. If so, we reschedule. 1287 * Next, we see if the pending buffer queue is empty. 1288 * If it is, we set the number of buffers left to 1289 * the current active buffer count and set the 1290 * schedule on complete flag. 1291 */ 1292 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1293 if (--softc->bufs_left == 0) { 1294 softc->changer->flags |= 1295 CHANGER_MANUAL_CALL; 1296 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1297 cdrunchangerqueue(softc->changer); 1298 } 1299 } else if ((bioq_first(&softc->bio_queue) == NULL) 1300 && (softc->device_stats.busy_count == 0)) { 1301 softc->changer->flags |= CHANGER_MANUAL_CALL; 1302 cdrunchangerqueue(softc->changer); 1303 } 1304 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1305 && (softc->flags & CD_FLAG_ACTIVE)) { 1306 1307 /* 1308 * Now that the first transaction to this 1309 * particular device has completed, we can go ahead 1310 * and schedule our timeouts. 1311 */ 1312 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1313 changer->long_handle = 1314 timeout(cdrunchangerqueue, changer, 1315 changer_max_busy_seconds * hz); 1316 changer->flags |= CHANGER_TIMEOUT_SCHED; 1317 } else 1318 printf("cdchangerschedule: already have a long" 1319 " timeout!\n"); 1320 1321 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1322 changer->short_handle = 1323 timeout(cdshorttimeout, changer, 1324 changer_min_busy_seconds * hz); 1325 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1326 } else 1327 printf("cdchangerschedule: already have a short " 1328 "timeout!\n"); 1329 1330 /* 1331 * We just scheduled timeouts, no need to schedule 1332 * more. 1333 */ 1334 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1335 1336 } 1337 splx(s); 1338} 1339 1340static int 1341cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1342 u_int32_t cam_flags, 1343 u_int32_t sense_flags), 1344 u_int32_t cam_flags, u_int32_t sense_flags) 1345{ 1346 struct cd_softc *softc; 1347 struct cam_periph *periph; 1348 int error; 1349 1350 periph = xpt_path_periph(ccb->ccb_h.path); 1351 softc = (struct cd_softc *)periph->softc; 1352 1353 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1354 &softc->device_stats); 1355 1356 if (softc->flags & CD_FLAG_CHANGER) 1357 cdchangerschedule(softc); 1358 1359 return(error); 1360} 1361 1362static union ccb * 1363cdgetccb(struct cam_periph *periph, u_int32_t priority) 1364{ 1365 struct cd_softc *softc; 1366 int s; 1367 1368 softc = (struct cd_softc *)periph->softc; 1369 1370 if (softc->flags & CD_FLAG_CHANGER) { 1371 1372 s = splsoftcam(); 1373 1374 /* 1375 * This should work the first time this device is woken up, 1376 * but just in case it doesn't, we use a while loop. 1377 */ 1378 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1379 /* 1380 * If this changer isn't already queued, queue it up. 1381 */ 1382 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1383 softc->pinfo.priority = 1; 1384 softc->pinfo.generation = 1385 ++softc->changer->devq.generation; 1386 camq_insert(&softc->changer->devq, 1387 (cam_pinfo *)softc); 1388 } 1389 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1390 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1391 && ((softc->changer->flags 1392 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1393 softc->changer->flags |= CHANGER_MANUAL_CALL; 1394 cdrunchangerqueue(softc->changer); 1395 } else 1396 tsleep(&softc->changer, PRIBIO, "cgticb", 0); 1397 } 1398 splx(s); 1399 } 1400 return(cam_periph_getccb(periph, priority)); 1401} 1402 1403 1404/* 1405 * Actually translate the requested transfer into one the physical driver 1406 * can understand. The transfer is described by a buf and will include 1407 * only one physical transfer. 1408 */ 1409static void 1410cdstrategy(struct bio *bp) 1411{ 1412 struct cam_periph *periph; 1413 struct cd_softc *softc; 1414 int s; 1415 1416 periph = (struct cam_periph *)bp->bio_dev->si_drv1; 1417 if (periph == NULL) { 1418 biofinish(bp, NULL, ENXIO); 1419 return; 1420 } 1421 1422 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1423 1424 softc = (struct cd_softc *)periph->softc; 1425 1426 /* 1427 * Mask interrupts so that the pack cannot be invalidated until 1428 * after we are in the queue. Otherwise, we might not properly 1429 * clean up one of the buffers. 1430 */ 1431 s = splbio(); 1432 1433 /* 1434 * If the device has been made invalid, error out 1435 */ 1436 if ((softc->flags & CD_FLAG_INVALID)) { 1437 splx(s); 1438 biofinish(bp, NULL, ENXIO); 1439 return; 1440 } 1441 1442 /* 1443 * If we don't have valid media, look for it before trying to 1444 * schedule the I/O. 1445 */ 1446 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1447 int error; 1448 1449 error = cdcheckmedia(periph); 1450 if (error != 0) { 1451 splx(s); 1452 biofinish(bp, NULL, error); 1453 return; 1454 } 1455 } 1456 1457 /* 1458 * Place it in the queue of disk activities for this disk 1459 */ 1460 bioqdisksort(&softc->bio_queue, bp); 1461 1462 splx(s); 1463 1464 /* 1465 * Schedule ourselves for performing the work. We do things 1466 * differently for changers. 1467 */ 1468 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1469 xpt_schedule(periph, /* XXX priority */1); 1470 else 1471 cdschedule(periph, /* priority */ 1); 1472 1473 return; 1474} 1475 1476static void 1477cdstart(struct cam_periph *periph, union ccb *start_ccb) 1478{ 1479 struct cd_softc *softc; 1480 struct bio *bp; 1481 struct ccb_scsiio *csio; 1482 struct scsi_read_capacity_data *rcap; 1483 int s; 1484 1485 softc = (struct cd_softc *)periph->softc; 1486 1487 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1488 1489 switch (softc->state) { 1490 case CD_STATE_NORMAL: 1491 { 1492 int oldspl; 1493 1494 s = splbio(); 1495 bp = bioq_first(&softc->bio_queue); 1496 if (periph->immediate_priority <= periph->pinfo.priority) { 1497 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1498 1499 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1500 periph_links.sle); 1501 periph->immediate_priority = CAM_PRIORITY_NONE; 1502 splx(s); 1503 wakeup(&periph->ccb_list); 1504 } else if (bp == NULL) { 1505 splx(s); 1506 xpt_release_ccb(start_ccb); 1507 } else { 1508 bioq_remove(&softc->bio_queue, bp); 1509 1510 devstat_start_transaction(&softc->device_stats); 1511 1512 scsi_read_write(&start_ccb->csio, 1513 /*retries*/4, 1514 /* cbfcnp */ cddone, 1515 MSG_SIMPLE_Q_TAG, 1516 /* read */bp->bio_cmd == BIO_READ, 1517 /* byte2 */ 0, 1518 /* minimum_cmd_size */ 10, 1519 /* lba */ bp->bio_blkno / 1520 (softc->params.blksize / DEV_BSIZE), 1521 bp->bio_bcount / softc->params.blksize, 1522 /* data_ptr */ bp->bio_data, 1523 /* dxfer_len */ bp->bio_bcount, 1524 /* sense_len */ SSD_FULL_SIZE, 1525 /* timeout */ 30000); 1526 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1527 1528 1529 /* 1530 * Block out any asyncronous callbacks 1531 * while we touch the pending ccb list. 1532 */ 1533 oldspl = splcam(); 1534 LIST_INSERT_HEAD(&softc->pending_ccbs, 1535 &start_ccb->ccb_h, periph_links.le); 1536 splx(oldspl); 1537 1538 /* We expect a unit attention from this device */ 1539 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1540 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1541 softc->flags &= ~CD_FLAG_RETRY_UA; 1542 } 1543 1544 start_ccb->ccb_h.ccb_bp = bp; 1545 bp = bioq_first(&softc->bio_queue); 1546 splx(s); 1547 1548 xpt_action(start_ccb); 1549 } 1550 if (bp != NULL) { 1551 /* Have more work to do, so ensure we stay scheduled */ 1552 xpt_schedule(periph, /* XXX priority */1); 1553 } 1554 break; 1555 } 1556 case CD_STATE_PROBE: 1557 { 1558 1559 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1560 M_TEMP, 1561 M_NOWAIT); 1562 if (rcap == NULL) { 1563 xpt_print_path(periph->path); 1564 printf("cdstart: Couldn't malloc read_capacity data\n"); 1565 /* cd_free_periph??? */ 1566 break; 1567 } 1568 csio = &start_ccb->csio; 1569 scsi_read_capacity(csio, 1570 /*retries*/1, 1571 cddone, 1572 MSG_SIMPLE_Q_TAG, 1573 rcap, 1574 SSD_FULL_SIZE, 1575 /*timeout*/20000); 1576 start_ccb->ccb_h.ccb_bp = NULL; 1577 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1578 xpt_action(start_ccb); 1579 break; 1580 } 1581 } 1582} 1583 1584static void 1585cddone(struct cam_periph *periph, union ccb *done_ccb) 1586{ 1587 struct cd_softc *softc; 1588 struct ccb_scsiio *csio; 1589 1590 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1591 1592 softc = (struct cd_softc *)periph->softc; 1593 csio = &done_ccb->csio; 1594 1595 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1596 case CD_CCB_BUFFER_IO: 1597 { 1598 struct bio *bp; 1599 int error; 1600 int oldspl; 1601 1602 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1603 error = 0; 1604 1605 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1606 int sf; 1607 1608 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1609 sf = SF_RETRY_UA; 1610 else 1611 sf = 0; 1612 1613 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1614 if (error == ERESTART) { 1615 /* 1616 * A retry was scheuled, so 1617 * just return. 1618 */ 1619 return; 1620 } 1621 } 1622 1623 if (error != 0) { 1624 int s; 1625 struct bio *q_bp; 1626 1627 xpt_print_path(periph->path); 1628 printf("cddone: got error %#x back\n", error); 1629 s = splbio(); 1630 while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) { 1631 bioq_remove(&softc->bio_queue, q_bp); 1632 q_bp->bio_resid = q_bp->bio_bcount; 1633 biofinish(q_bp, NULL, EIO); 1634 } 1635 splx(s); 1636 bp->bio_resid = bp->bio_bcount; 1637 bp->bio_error = error; 1638 bp->bio_flags |= BIO_ERROR; 1639 cam_release_devq(done_ccb->ccb_h.path, 1640 /*relsim_flags*/0, 1641 /*reduction*/0, 1642 /*timeout*/0, 1643 /*getcount_only*/0); 1644 1645 } else { 1646 bp->bio_resid = csio->resid; 1647 bp->bio_error = 0; 1648 if (bp->bio_resid != 0) { 1649 /* 1650 * Short transfer ??? 1651 * XXX: not sure this is correct for partial 1652 * transfers at EOM 1653 */ 1654 bp->bio_flags |= BIO_ERROR; 1655 } 1656 } 1657 1658 /* 1659 * Block out any asyncronous callbacks 1660 * while we touch the pending ccb list. 1661 */ 1662 oldspl = splcam(); 1663 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1664 splx(oldspl); 1665 1666 if (softc->flags & CD_FLAG_CHANGER) 1667 cdchangerschedule(softc); 1668 1669 biofinish(bp, &softc->device_stats, 0); 1670 break; 1671 } 1672 case CD_CCB_PROBE: 1673 { 1674 struct scsi_read_capacity_data *rdcap; 1675 char announce_buf[120]; /* 1676 * Currently (9/30/97) the 1677 * longest possible announce 1678 * buffer is 108 bytes, for the 1679 * first error case below. 1680 * That is 39 bytes for the 1681 * basic string, 16 bytes for the 1682 * biggest sense key (hardware 1683 * error), 52 bytes for the 1684 * text of the largest sense 1685 * qualifier valid for a CDROM, 1686 * (0x72, 0x03 or 0x04, 1687 * 0x03), and one byte for the 1688 * null terminating character. 1689 * To allow for longer strings, 1690 * the announce buffer is 120 1691 * bytes. 1692 */ 1693 struct cd_params *cdp; 1694 1695 cdp = &softc->params; 1696 1697 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1698 1699 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1700 cdp->blksize = scsi_4btoul (rdcap->length); 1701 1702 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1703 1704 snprintf(announce_buf, sizeof(announce_buf), 1705 "cd present [%lu x %lu byte records]", 1706 cdp->disksize, (u_long)cdp->blksize); 1707 1708 } else { 1709 int error; 1710 /* 1711 * Retry any UNIT ATTENTION type errors. They 1712 * are expected at boot. 1713 */ 1714 error = cderror(done_ccb, CAM_RETRY_SELTO, 1715 SF_RETRY_UA | SF_NO_PRINT); 1716 if (error == ERESTART) { 1717 /* 1718 * A retry was scheuled, so 1719 * just return. 1720 */ 1721 return; 1722 } else if (error != 0) { 1723 1724 struct scsi_sense_data *sense; 1725 int asc, ascq; 1726 int sense_key, error_code; 1727 int have_sense; 1728 cam_status status; 1729 struct ccb_getdev cgd; 1730 1731 /* Don't wedge this device's queue */ 1732 cam_release_devq(done_ccb->ccb_h.path, 1733 /*relsim_flags*/0, 1734 /*reduction*/0, 1735 /*timeout*/0, 1736 /*getcount_only*/0); 1737 1738 status = done_ccb->ccb_h.status; 1739 1740 xpt_setup_ccb(&cgd.ccb_h, 1741 done_ccb->ccb_h.path, 1742 /* priority */ 1); 1743 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1744 xpt_action((union ccb *)&cgd); 1745 1746 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1747 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1748 || ((status & CAM_AUTOSNS_VALID) == 0)) 1749 have_sense = FALSE; 1750 else 1751 have_sense = TRUE; 1752 1753 if (have_sense) { 1754 sense = &csio->sense_data; 1755 scsi_extract_sense(sense, &error_code, 1756 &sense_key, 1757 &asc, &ascq); 1758 } 1759 /* 1760 * Attach to anything that claims to be a 1761 * CDROM or WORM device, as long as it 1762 * doesn't return a "Logical unit not 1763 * supported" (0x25) error. 1764 */ 1765 if ((have_sense) && (asc != 0x25) 1766 && (error_code == SSD_CURRENT_ERROR)) { 1767 const char *sense_key_desc; 1768 const char *asc_desc; 1769 1770 scsi_sense_desc(sense_key, asc, ascq, 1771 &cgd.inq_data, 1772 &sense_key_desc, 1773 &asc_desc); 1774 snprintf(announce_buf, 1775 sizeof(announce_buf), 1776 "Attempt to query device " 1777 "size failed: %s, %s", 1778 sense_key_desc, 1779 asc_desc); 1780 } else if ((have_sense == 0) 1781 && ((status & CAM_STATUS_MASK) == 1782 CAM_SCSI_STATUS_ERROR) 1783 && (csio->scsi_status == 1784 SCSI_STATUS_BUSY)) { 1785 snprintf(announce_buf, 1786 sizeof(announce_buf), 1787 "Attempt to query device " 1788 "size failed: SCSI Status: %s", 1789 scsi_status_string(csio)); 1790 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1791 /* 1792 * We only print out an error for 1793 * CDROM type devices. For WORM 1794 * devices, we don't print out an 1795 * error since a few WORM devices 1796 * don't support CDROM commands. 1797 * If we have sense information, go 1798 * ahead and print it out. 1799 * Otherwise, just say that we 1800 * couldn't attach. 1801 */ 1802 1803 /* 1804 * Just print out the error, not 1805 * the full probe message, when we 1806 * don't attach. 1807 */ 1808 if (have_sense) 1809 scsi_sense_print( 1810 &done_ccb->csio); 1811 else { 1812 xpt_print_path(periph->path); 1813 printf("got CAM status %#x\n", 1814 done_ccb->ccb_h.status); 1815 } 1816 xpt_print_path(periph->path); 1817 printf("fatal error, failed" 1818 " to attach to device\n"); 1819 1820 /* 1821 * Invalidate this peripheral. 1822 */ 1823 cam_periph_invalidate(periph); 1824 1825 announce_buf[0] = '\0'; 1826 } else { 1827 1828 /* 1829 * Invalidate this peripheral. 1830 */ 1831 cam_periph_invalidate(periph); 1832 announce_buf[0] = '\0'; 1833 } 1834 } 1835 } 1836 free(rdcap, M_TEMP); 1837 if (announce_buf[0] != '\0') { 1838 xpt_announce_periph(periph, announce_buf); 1839 if (softc->flags & CD_FLAG_CHANGER) 1840 cdchangerschedule(softc); 1841 } 1842 softc->state = CD_STATE_NORMAL; 1843 /* 1844 * Since our peripheral may be invalidated by an error 1845 * above or an external event, we must release our CCB 1846 * before releasing the probe lock on the peripheral. 1847 * The peripheral will only go away once the last lock 1848 * is removed, and we need it around for the CCB release 1849 * operation. 1850 */ 1851 xpt_release_ccb(done_ccb); 1852 cam_periph_unlock(periph); 1853 return; 1854 } 1855 case CD_CCB_WAITING: 1856 { 1857 /* Caller will release the CCB */ 1858 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1859 ("trying to wakeup ccbwait\n")); 1860 1861 wakeup(&done_ccb->ccb_h.cbfcnp); 1862 return; 1863 } 1864 default: 1865 break; 1866 } 1867 xpt_release_ccb(done_ccb); 1868} 1869 1870static union cd_pages * 1871cdgetpage(struct cd_mode_params *mode_params) 1872{ 1873 union cd_pages *page; 1874 1875 if (mode_params->cdb_size == 10) 1876 page = (union cd_pages *)find_mode_page_10( 1877 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1878 else 1879 page = (union cd_pages *)find_mode_page_6( 1880 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1881 1882 return (page); 1883} 1884 1885static int 1886cdgetpagesize(int page_num) 1887{ 1888 int i; 1889 1890 for (i = 0; i < (sizeof(cd_page_size_table)/ 1891 sizeof(cd_page_size_table[0])); i++) { 1892 if (cd_page_size_table[i].page == page_num) 1893 return (cd_page_size_table[i].page_size); 1894 } 1895 1896 return (-1); 1897} 1898 1899static int 1900cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1901{ 1902 1903 struct cam_periph *periph; 1904 struct cd_softc *softc; 1905 int error; 1906 1907 periph = (struct cam_periph *)dev->si_drv1; 1908 if (periph == NULL) 1909 return(ENXIO); 1910 1911 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1912 1913 softc = (struct cd_softc *)periph->softc; 1914 1915 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1916 ("trying to do ioctl %#lx\n", cmd)); 1917 1918 error = cam_periph_lock(periph, PRIBIO | PCATCH); 1919 1920 if (error != 0) 1921 return(error); 1922 /* 1923 * If we don't have media loaded, check for it. If still don't 1924 * have media loaded, we can only do a load or eject. 1925 */ 1926 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1927 && ((cmd != CDIOCCLOSE) 1928 && (cmd != CDIOCEJECT))) { 1929 error = cdcheckmedia(periph); 1930 if (error != 0) { 1931 cam_periph_unlock(periph); 1932 return (error); 1933 } 1934 } 1935 1936 switch (cmd) { 1937 1938 case DIOCGMEDIASIZE: 1939 *(off_t *)addr = 1940 (off_t)softc->params.blksize * softc->params.disksize; 1941 break; 1942 case DIOCGSECTORSIZE: 1943 *(u_int *)addr = softc->params.blksize; 1944 break; 1945 1946 case CDIOCPLAYTRACKS: 1947 { 1948 struct ioc_play_track *args 1949 = (struct ioc_play_track *) addr; 1950 struct cd_mode_params params; 1951 union cd_pages *page; 1952 1953 params.alloc_len = sizeof(union cd_mode_data_6_10); 1954 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1955 M_WAITOK | M_ZERO); 1956 1957 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1958 ("trying to do CDIOCPLAYTRACKS\n")); 1959 1960 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1961 if (error) { 1962 free(params.mode_buf, M_TEMP); 1963 break; 1964 } 1965 page = cdgetpage(¶ms); 1966 1967 page->audio.flags &= ~CD_PA_SOTC; 1968 page->audio.flags |= CD_PA_IMMED; 1969 error = cdsetmode(periph, ¶ms); 1970 free(params.mode_buf, M_TEMP); 1971 if (error) 1972 break; 1973 1974 /* 1975 * This was originally implemented with the PLAY 1976 * AUDIO TRACK INDEX command, but that command was 1977 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1978 * drives support it but ATAPI and ATAPI-derivative 1979 * drives don't seem to support it. So we keep a 1980 * cache of the table of contents and translate 1981 * track numbers to MSF format. 1982 */ 1983 if (softc->flags & CD_FLAG_VALID_TOC) { 1984 union msf_lba *sentry, *eentry; 1985 int st, et; 1986 1987 if (args->end_track < 1988 softc->toc.header.ending_track + 1) 1989 args->end_track++; 1990 if (args->end_track > 1991 softc->toc.header.ending_track + 1) 1992 args->end_track = 1993 softc->toc.header.ending_track + 1; 1994 st = args->start_track - 1995 softc->toc.header.starting_track; 1996 et = args->end_track - 1997 softc->toc.header.starting_track; 1998 if ((st < 0) 1999 || (et < 0) 2000 || (st > (softc->toc.header.ending_track - 2001 softc->toc.header.starting_track))) { 2002 error = EINVAL; 2003 break; 2004 } 2005 sentry = &softc->toc.entries[st].addr; 2006 eentry = &softc->toc.entries[et].addr; 2007 error = cdplaymsf(periph, 2008 sentry->msf.minute, 2009 sentry->msf.second, 2010 sentry->msf.frame, 2011 eentry->msf.minute, 2012 eentry->msf.second, 2013 eentry->msf.frame); 2014 } else { 2015 /* 2016 * If we don't have a valid TOC, try the 2017 * play track index command. It is part of 2018 * the SCSI-2 spec, but was removed in the 2019 * MMC specs. ATAPI and ATAPI-derived 2020 * drives don't support it. 2021 */ 2022 if (softc->quirks & CD_Q_BCD_TRACKS) { 2023 args->start_track = 2024 bin2bcd(args->start_track); 2025 args->end_track = 2026 bin2bcd(args->end_track); 2027 } 2028 error = cdplaytracks(periph, 2029 args->start_track, 2030 args->start_index, 2031 args->end_track, 2032 args->end_index); 2033 } 2034 } 2035 break; 2036 case CDIOCPLAYMSF: 2037 { 2038 struct ioc_play_msf *args 2039 = (struct ioc_play_msf *) addr; 2040 struct cd_mode_params params; 2041 union cd_pages *page; 2042 2043 params.alloc_len = sizeof(union cd_mode_data_6_10); 2044 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2045 M_WAITOK | M_ZERO); 2046 2047 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2048 ("trying to do CDIOCPLAYMSF\n")); 2049 2050 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2051 if (error) { 2052 free(params.mode_buf, M_TEMP); 2053 break; 2054 } 2055 page = cdgetpage(¶ms); 2056 2057 page->audio.flags &= ~CD_PA_SOTC; 2058 page->audio.flags |= CD_PA_IMMED; 2059 error = cdsetmode(periph, ¶ms); 2060 free(params.mode_buf, M_TEMP); 2061 if (error) 2062 break; 2063 error = cdplaymsf(periph, 2064 args->start_m, 2065 args->start_s, 2066 args->start_f, 2067 args->end_m, 2068 args->end_s, 2069 args->end_f); 2070 } 2071 break; 2072 case CDIOCPLAYBLOCKS: 2073 { 2074 struct ioc_play_blocks *args 2075 = (struct ioc_play_blocks *) addr; 2076 struct cd_mode_params params; 2077 union cd_pages *page; 2078 2079 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2080 ("trying to do CDIOCPLAYBLOCKS\n")); 2081 2082 params.alloc_len = sizeof(union cd_mode_data_6_10); 2083 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2084 M_WAITOK | M_ZERO); 2085 2086 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2087 if (error) { 2088 free(params.mode_buf, M_TEMP); 2089 break; 2090 } 2091 page = cdgetpage(¶ms); 2092 2093 page->audio.flags &= ~CD_PA_SOTC; 2094 page->audio.flags |= CD_PA_IMMED; 2095 error = cdsetmode(periph, ¶ms); 2096 free(params.mode_buf, M_TEMP); 2097 if (error) 2098 break; 2099 error = cdplay(periph, args->blk, args->len); 2100 } 2101 break; 2102 case CDIOCREADSUBCHANNEL: 2103 { 2104 struct ioc_read_subchannel *args 2105 = (struct ioc_read_subchannel *) addr; 2106 struct cd_sub_channel_info *data; 2107 u_int32_t len = args->data_len; 2108 2109 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2110 ("trying to do CDIOCREADSUBCHANNEL\n")); 2111 2112 data = malloc(sizeof(struct cd_sub_channel_info), 2113 M_TEMP, M_WAITOK); 2114 2115 if ((len > sizeof(struct cd_sub_channel_info)) || 2116 (len < sizeof(struct cd_sub_channel_header))) { 2117 printf( 2118 "scsi_cd: cdioctl: " 2119 "cdioreadsubchannel: error, len=%d\n", 2120 len); 2121 error = EINVAL; 2122 free(data, M_TEMP); 2123 break; 2124 } 2125 2126 if (softc->quirks & CD_Q_BCD_TRACKS) 2127 args->track = bin2bcd(args->track); 2128 2129 error = cdreadsubchannel(periph, args->address_format, 2130 args->data_format, args->track, data, len); 2131 2132 if (error) { 2133 free(data, M_TEMP); 2134 break; 2135 } 2136 if (softc->quirks & CD_Q_BCD_TRACKS) 2137 data->what.track_info.track_number = 2138 bcd2bin(data->what.track_info.track_number); 2139 len = min(len, ((data->header.data_len[0] << 8) + 2140 data->header.data_len[1] + 2141 sizeof(struct cd_sub_channel_header))); 2142 if (copyout(data, args->data, len) != 0) { 2143 error = EFAULT; 2144 } 2145 free(data, M_TEMP); 2146 } 2147 break; 2148 2149 case CDIOREADTOCHEADER: 2150 { 2151 struct ioc_toc_header *th; 2152 2153 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2154 ("trying to do CDIOREADTOCHEADER\n")); 2155 2156 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2157 M_WAITOK); 2158 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2159 sizeof (*th), /*sense_flags*/0); 2160 if (error) { 2161 free(th, M_TEMP); 2162 break; 2163 } 2164 if (softc->quirks & CD_Q_BCD_TRACKS) { 2165 /* we are going to have to convert the BCD 2166 * encoding on the cd to what is expected 2167 */ 2168 th->starting_track = 2169 bcd2bin(th->starting_track); 2170 th->ending_track = bcd2bin(th->ending_track); 2171 } 2172 th->len = ntohs(th->len); 2173 bcopy(th, addr, sizeof(*th)); 2174 free(th, M_TEMP); 2175 } 2176 break; 2177 case CDIOREADTOCENTRYS: 2178 { 2179 struct cd_tocdata *data; 2180 struct cd_toc_single *lead; 2181 struct ioc_read_toc_entry *te = 2182 (struct ioc_read_toc_entry *) addr; 2183 struct ioc_toc_header *th; 2184 u_int32_t len, readlen, idx, num; 2185 u_int32_t starting_track = te->starting_track; 2186 2187 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2188 ("trying to do CDIOREADTOCENTRYS\n")); 2189 2190 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2191 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2192 2193 if (te->data_len < sizeof(struct cd_toc_entry) 2194 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2195 || (te->address_format != CD_MSF_FORMAT 2196 && te->address_format != CD_LBA_FORMAT)) { 2197 error = EINVAL; 2198 printf("scsi_cd: error in readtocentries, " 2199 "returning EINVAL\n"); 2200 free(data, M_TEMP); 2201 free(lead, M_TEMP); 2202 break; 2203 } 2204 2205 th = &data->header; 2206 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2207 sizeof (*th), /*sense_flags*/0); 2208 if (error) { 2209 free(data, M_TEMP); 2210 free(lead, M_TEMP); 2211 break; 2212 } 2213 2214 if (softc->quirks & CD_Q_BCD_TRACKS) { 2215 /* we are going to have to convert the BCD 2216 * encoding on the cd to what is expected 2217 */ 2218 th->starting_track = 2219 bcd2bin(th->starting_track); 2220 th->ending_track = bcd2bin(th->ending_track); 2221 } 2222 2223 if (starting_track == 0) 2224 starting_track = th->starting_track; 2225 else if (starting_track == LEADOUT) 2226 starting_track = th->ending_track + 1; 2227 else if (starting_track < th->starting_track || 2228 starting_track > th->ending_track + 1) { 2229 printf("scsi_cd: error in readtocentries, " 2230 "returning EINVAL\n"); 2231 free(data, M_TEMP); 2232 free(lead, M_TEMP); 2233 error = EINVAL; 2234 break; 2235 } 2236 2237 /* calculate reading length without leadout entry */ 2238 readlen = (th->ending_track - starting_track + 1) * 2239 sizeof(struct cd_toc_entry); 2240 2241 /* and with leadout entry */ 2242 len = readlen + sizeof(struct cd_toc_entry); 2243 if (te->data_len < len) { 2244 len = te->data_len; 2245 if (readlen > len) 2246 readlen = len; 2247 } 2248 if (len > sizeof(data->entries)) { 2249 printf("scsi_cd: error in readtocentries, " 2250 "returning EINVAL\n"); 2251 error = EINVAL; 2252 free(data, M_TEMP); 2253 free(lead, M_TEMP); 2254 break; 2255 } 2256 num = len / sizeof(struct cd_toc_entry); 2257 2258 if (readlen > 0) { 2259 error = cdreadtoc(periph, te->address_format, 2260 starting_track, 2261 (u_int8_t *)data, 2262 readlen + sizeof (*th), 2263 /*sense_flags*/0); 2264 if (error) { 2265 free(data, M_TEMP); 2266 free(lead, M_TEMP); 2267 break; 2268 } 2269 } 2270 2271 /* make leadout entry if needed */ 2272 idx = starting_track + num - 1; 2273 if (softc->quirks & CD_Q_BCD_TRACKS) 2274 th->ending_track = bcd2bin(th->ending_track); 2275 if (idx == th->ending_track + 1) { 2276 error = cdreadtoc(periph, te->address_format, 2277 LEADOUT, (u_int8_t *)lead, 2278 sizeof(*lead), 2279 /*sense_flags*/0); 2280 if (error) { 2281 free(data, M_TEMP); 2282 free(lead, M_TEMP); 2283 break; 2284 } 2285 data->entries[idx - starting_track] = 2286 lead->entry; 2287 } 2288 if (softc->quirks & CD_Q_BCD_TRACKS) { 2289 for (idx = 0; idx < num - 1; idx++) { 2290 data->entries[idx].track = 2291 bcd2bin(data->entries[idx].track); 2292 } 2293 } 2294 2295 error = copyout(data->entries, te->data, len); 2296 free(data, M_TEMP); 2297 free(lead, M_TEMP); 2298 } 2299 break; 2300 case CDIOREADTOCENTRY: 2301 { 2302 struct cd_toc_single *data; 2303 struct ioc_read_toc_single_entry *te = 2304 (struct ioc_read_toc_single_entry *) addr; 2305 struct ioc_toc_header *th; 2306 u_int32_t track; 2307 2308 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2309 ("trying to do CDIOREADTOCENTRY\n")); 2310 2311 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2312 2313 if (te->address_format != CD_MSF_FORMAT 2314 && te->address_format != CD_LBA_FORMAT) { 2315 printf("error in readtocentry, " 2316 " returning EINVAL\n"); 2317 free(data, M_TEMP); 2318 error = EINVAL; 2319 break; 2320 } 2321 2322 th = &data->header; 2323 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2324 sizeof (*th), /*sense_flags*/0); 2325 if (error) { 2326 free(data, M_TEMP); 2327 break; 2328 } 2329 2330 if (softc->quirks & CD_Q_BCD_TRACKS) { 2331 /* we are going to have to convert the BCD 2332 * encoding on the cd to what is expected 2333 */ 2334 th->starting_track = 2335 bcd2bin(th->starting_track); 2336 th->ending_track = bcd2bin(th->ending_track); 2337 } 2338 track = te->track; 2339 if (track == 0) 2340 track = th->starting_track; 2341 else if (track == LEADOUT) 2342 /* OK */; 2343 else if (track < th->starting_track || 2344 track > th->ending_track + 1) { 2345 printf("error in readtocentry, " 2346 " returning EINVAL\n"); 2347 free(data, M_TEMP); 2348 error = EINVAL; 2349 break; 2350 } 2351 2352 error = cdreadtoc(periph, te->address_format, track, 2353 (u_int8_t *)data, sizeof(*data), 2354 /*sense_flags*/0); 2355 if (error) { 2356 free(data, M_TEMP); 2357 break; 2358 } 2359 2360 if (softc->quirks & CD_Q_BCD_TRACKS) 2361 data->entry.track = bcd2bin(data->entry.track); 2362 bcopy(&data->entry, &te->entry, 2363 sizeof(struct cd_toc_entry)); 2364 free(data, M_TEMP); 2365 } 2366 break; 2367 case CDIOCSETPATCH: 2368 { 2369 struct ioc_patch *arg = (struct ioc_patch *)addr; 2370 struct cd_mode_params params; 2371 union cd_pages *page; 2372 2373 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2374 ("trying to do CDIOCSETPATCH\n")); 2375 2376 params.alloc_len = sizeof(union cd_mode_data_6_10); 2377 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2378 M_WAITOK | M_ZERO); 2379 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2380 if (error) { 2381 free(params.mode_buf, M_TEMP); 2382 break; 2383 } 2384 page = cdgetpage(¶ms); 2385 2386 page->audio.port[LEFT_PORT].channels = 2387 arg->patch[0]; 2388 page->audio.port[RIGHT_PORT].channels = 2389 arg->patch[1]; 2390 page->audio.port[2].channels = arg->patch[2]; 2391 page->audio.port[3].channels = arg->patch[3]; 2392 error = cdsetmode(periph, ¶ms); 2393 free(params.mode_buf, M_TEMP); 2394 } 2395 break; 2396 case CDIOCGETVOL: 2397 { 2398 struct ioc_vol *arg = (struct ioc_vol *) addr; 2399 struct cd_mode_params params; 2400 union cd_pages *page; 2401 2402 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2403 ("trying to do CDIOCGETVOL\n")); 2404 2405 params.alloc_len = sizeof(union cd_mode_data_6_10); 2406 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2407 M_WAITOK | M_ZERO); 2408 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2409 if (error) { 2410 free(params.mode_buf, M_TEMP); 2411 break; 2412 } 2413 page = cdgetpage(¶ms); 2414 2415 arg->vol[LEFT_PORT] = 2416 page->audio.port[LEFT_PORT].volume; 2417 arg->vol[RIGHT_PORT] = 2418 page->audio.port[RIGHT_PORT].volume; 2419 arg->vol[2] = page->audio.port[2].volume; 2420 arg->vol[3] = page->audio.port[3].volume; 2421 free(params.mode_buf, M_TEMP); 2422 } 2423 break; 2424 case CDIOCSETVOL: 2425 { 2426 struct ioc_vol *arg = (struct ioc_vol *) addr; 2427 struct cd_mode_params params; 2428 union cd_pages *page; 2429 2430 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2431 ("trying to do CDIOCSETVOL\n")); 2432 2433 params.alloc_len = sizeof(union cd_mode_data_6_10); 2434 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2435 M_WAITOK | M_ZERO); 2436 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2437 if (error) { 2438 free(params.mode_buf, M_TEMP); 2439 break; 2440 } 2441 page = cdgetpage(¶ms); 2442 2443 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2444 page->audio.port[LEFT_PORT].volume = 2445 arg->vol[LEFT_PORT]; 2446 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2447 page->audio.port[RIGHT_PORT].volume = 2448 arg->vol[RIGHT_PORT]; 2449 page->audio.port[2].volume = arg->vol[2]; 2450 page->audio.port[3].volume = arg->vol[3]; 2451 error = cdsetmode(periph, ¶ms); 2452 free(params.mode_buf, M_TEMP); 2453 } 2454 break; 2455 case CDIOCSETMONO: 2456 { 2457 struct cd_mode_params params; 2458 union cd_pages *page; 2459 2460 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2461 ("trying to do CDIOCSETMONO\n")); 2462 2463 params.alloc_len = sizeof(union cd_mode_data_6_10); 2464 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2465 M_WAITOK | M_ZERO); 2466 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2467 if (error) { 2468 free(params.mode_buf, M_TEMP); 2469 break; 2470 } 2471 page = cdgetpage(¶ms); 2472 2473 page->audio.port[LEFT_PORT].channels = 2474 LEFT_CHANNEL | RIGHT_CHANNEL; 2475 page->audio.port[RIGHT_PORT].channels = 2476 LEFT_CHANNEL | RIGHT_CHANNEL; 2477 page->audio.port[2].channels = 0; 2478 page->audio.port[3].channels = 0; 2479 error = cdsetmode(periph, ¶ms); 2480 free(params.mode_buf, M_TEMP); 2481 } 2482 break; 2483 case CDIOCSETSTEREO: 2484 { 2485 struct cd_mode_params params; 2486 union cd_pages *page; 2487 2488 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2489 ("trying to do CDIOCSETSTEREO\n")); 2490 2491 params.alloc_len = sizeof(union cd_mode_data_6_10); 2492 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2493 M_WAITOK | M_ZERO); 2494 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2495 if (error) { 2496 free(params.mode_buf, M_TEMP); 2497 break; 2498 } 2499 page = cdgetpage(¶ms); 2500 2501 page->audio.port[LEFT_PORT].channels = 2502 LEFT_CHANNEL; 2503 page->audio.port[RIGHT_PORT].channels = 2504 RIGHT_CHANNEL; 2505 page->audio.port[2].channels = 0; 2506 page->audio.port[3].channels = 0; 2507 error = cdsetmode(periph, ¶ms); 2508 free(params.mode_buf, M_TEMP); 2509 } 2510 break; 2511 case CDIOCSETMUTE: 2512 { 2513 struct cd_mode_params params; 2514 union cd_pages *page; 2515 2516 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2517 ("trying to do CDIOCSETMUTE\n")); 2518 2519 params.alloc_len = sizeof(union cd_mode_data_6_10); 2520 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2521 M_WAITOK | M_ZERO); 2522 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2523 if (error) { 2524 free(¶ms, M_TEMP); 2525 break; 2526 } 2527 page = cdgetpage(¶ms); 2528 2529 page->audio.port[LEFT_PORT].channels = 0; 2530 page->audio.port[RIGHT_PORT].channels = 0; 2531 page->audio.port[2].channels = 0; 2532 page->audio.port[3].channels = 0; 2533 error = cdsetmode(periph, ¶ms); 2534 free(params.mode_buf, M_TEMP); 2535 } 2536 break; 2537 case CDIOCSETLEFT: 2538 { 2539 struct cd_mode_params params; 2540 union cd_pages *page; 2541 2542 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2543 ("trying to do CDIOCSETLEFT\n")); 2544 2545 params.alloc_len = sizeof(union cd_mode_data_6_10); 2546 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2547 M_WAITOK | M_ZERO); 2548 2549 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2550 if (error) { 2551 free(params.mode_buf, M_TEMP); 2552 break; 2553 } 2554 page = cdgetpage(¶ms); 2555 2556 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2557 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2558 page->audio.port[2].channels = 0; 2559 page->audio.port[3].channels = 0; 2560 error = cdsetmode(periph, ¶ms); 2561 free(params.mode_buf, M_TEMP); 2562 } 2563 break; 2564 case CDIOCSETRIGHT: 2565 { 2566 struct cd_mode_params params; 2567 union cd_pages *page; 2568 2569 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2570 ("trying to do CDIOCSETRIGHT\n")); 2571 2572 params.alloc_len = sizeof(union cd_mode_data_6_10); 2573 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2574 M_WAITOK | M_ZERO); 2575 2576 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2577 if (error) { 2578 free(params.mode_buf, M_TEMP); 2579 break; 2580 } 2581 page = cdgetpage(¶ms); 2582 2583 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2584 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2585 page->audio.port[2].channels = 0; 2586 page->audio.port[3].channels = 0; 2587 error = cdsetmode(periph, ¶ms); 2588 free(params.mode_buf, M_TEMP); 2589 } 2590 break; 2591 case CDIOCRESUME: 2592 error = cdpause(periph, 1); 2593 break; 2594 case CDIOCPAUSE: 2595 error = cdpause(periph, 0); 2596 break; 2597 case CDIOCSTART: 2598 error = cdstartunit(periph, 0); 2599 break; 2600 case CDIOCCLOSE: 2601 error = cdstartunit(periph, 1); 2602 break; 2603 case CDIOCSTOP: 2604 error = cdstopunit(periph, 0); 2605 break; 2606 case CDIOCEJECT: 2607 error = cdstopunit(periph, 1); 2608 break; 2609 case CDIOCALLOW: 2610 cdprevent(periph, PR_ALLOW); 2611 break; 2612 case CDIOCPREVENT: 2613 cdprevent(periph, PR_PREVENT); 2614 break; 2615 case CDIOCSETDEBUG: 2616 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2617 error = ENOTTY; 2618 break; 2619 case CDIOCCLRDEBUG: 2620 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2621 error = ENOTTY; 2622 break; 2623 case CDIOCRESET: 2624 /* return (cd_reset(periph)); */ 2625 error = ENOTTY; 2626 break; 2627 case CDRIOCREADSPEED: 2628 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2629 break; 2630 case CDRIOCWRITESPEED: 2631 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2632 break; 2633 case DVDIOCSENDKEY: 2634 case DVDIOCREPORTKEY: { 2635 struct dvd_authinfo *authinfo; 2636 2637 authinfo = (struct dvd_authinfo *)addr; 2638 2639 if (cmd == DVDIOCREPORTKEY) 2640 error = cdreportkey(periph, authinfo); 2641 else 2642 error = cdsendkey(periph, authinfo); 2643 break; 2644 } 2645 case DVDIOCREADSTRUCTURE: { 2646 struct dvd_struct *dvdstruct; 2647 2648 dvdstruct = (struct dvd_struct *)addr; 2649 2650 error = cdreaddvdstructure(periph, dvdstruct); 2651 2652 break; 2653 } 2654 default: 2655 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2656 break; 2657 } 2658 2659 cam_periph_unlock(periph); 2660 2661 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2662 if (error && bootverbose) { 2663 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2664 } 2665 2666 return (error); 2667} 2668 2669static void 2670cdprevent(struct cam_periph *periph, int action) 2671{ 2672 union ccb *ccb; 2673 struct cd_softc *softc; 2674 int error; 2675 2676 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2677 2678 softc = (struct cd_softc *)periph->softc; 2679 2680 if (((action == PR_ALLOW) 2681 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2682 || ((action == PR_PREVENT) 2683 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2684 return; 2685 } 2686 2687 ccb = cdgetccb(periph, /* priority */ 1); 2688 2689 scsi_prevent(&ccb->csio, 2690 /*retries*/ 1, 2691 cddone, 2692 MSG_SIMPLE_Q_TAG, 2693 action, 2694 SSD_FULL_SIZE, 2695 /* timeout */60000); 2696 2697 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2698 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2699 2700 xpt_release_ccb(ccb); 2701 2702 if (error == 0) { 2703 if (action == PR_ALLOW) 2704 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2705 else 2706 softc->flags |= CD_FLAG_DISC_LOCKED; 2707 } 2708} 2709 2710static int 2711cdcheckmedia(struct cam_periph *periph) 2712{ 2713 struct cd_softc *softc; 2714 struct ioc_toc_header *toch; 2715 struct cd_toc_single leadout; 2716 u_int32_t size, toclen; 2717 int error, num_entries, cdindex; 2718 2719 softc = (struct cd_softc *)periph->softc; 2720 2721 cdprevent(periph, PR_PREVENT); 2722 2723 /* 2724 * Get the disc size and block size. If we can't get it, we don't 2725 * have media, most likely. 2726 */ 2727 if ((error = cdsize(periph, &size)) != 0) { 2728 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2729 cdprevent(periph, PR_ALLOW); 2730 return (error); 2731 } else 2732 softc->flags |= CD_FLAG_VALID_MEDIA; 2733 2734 /* 2735 * Now we check the table of contents. This (currently) is only 2736 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2737 * things like present a separate entry in /dev for each track, 2738 * like that acd(4) driver does. 2739 */ 2740 bzero(&softc->toc, sizeof(softc->toc)); 2741 toch = &softc->toc.header; 2742 /* 2743 * We will get errors here for media that doesn't have a table of 2744 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2745 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2746 * has not been recorded (no complete session) and the Format codes 2747 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2748 * with an INVALID FIELD IN CDB. Devices that are not capable of 2749 * reading an incomplete session on DDC/CD-R/RW media shall report 2750 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2751 * 2752 * So this isn't fatal if we can't read the table of contents, it 2753 * just means that the user won't be able to issue the play tracks 2754 * ioctl, and likely lots of other stuff won't work either. They 2755 * need to burn the CD before we can do a whole lot with it. So 2756 * we don't print anything here if we get an error back. 2757 */ 2758 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2759 SF_NO_PRINT); 2760 /* 2761 * Errors in reading the table of contents aren't fatal, we just 2762 * won't have a valid table of contents cached. 2763 */ 2764 if (error != 0) { 2765 error = 0; 2766 bzero(&softc->toc, sizeof(softc->toc)); 2767 goto bailout; 2768 } 2769 2770 if (softc->quirks & CD_Q_BCD_TRACKS) { 2771 toch->starting_track = bcd2bin(toch->starting_track); 2772 toch->ending_track = bcd2bin(toch->ending_track); 2773 } 2774 2775 /* Number of TOC entries, plus leadout */ 2776 num_entries = (toch->ending_track - toch->starting_track) + 2; 2777 2778 if (num_entries <= 0) 2779 goto bailout; 2780 2781 toclen = num_entries * sizeof(struct cd_toc_entry); 2782 2783 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2784 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2785 SF_NO_PRINT); 2786 if (error != 0) { 2787 error = 0; 2788 bzero(&softc->toc, sizeof(softc->toc)); 2789 goto bailout; 2790 } 2791 2792 if (softc->quirks & CD_Q_BCD_TRACKS) { 2793 toch->starting_track = bcd2bin(toch->starting_track); 2794 toch->ending_track = bcd2bin(toch->ending_track); 2795 } 2796 /* 2797 * XXX KDM is this necessary? Probably only if the drive doesn't 2798 * return leadout information with the table of contents. 2799 */ 2800 cdindex = toch->starting_track + num_entries -1; 2801 if (cdindex == toch->ending_track + 1) { 2802 2803 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2804 (u_int8_t *)&leadout, sizeof(leadout), 2805 SF_NO_PRINT); 2806 if (error != 0) { 2807 error = 0; 2808 goto bailout; 2809 } 2810 softc->toc.entries[cdindex - toch->starting_track] = 2811 leadout.entry; 2812 } 2813 if (softc->quirks & CD_Q_BCD_TRACKS) { 2814 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2815 softc->toc.entries[cdindex].track = 2816 bcd2bin(softc->toc.entries[cdindex].track); 2817 } 2818 } 2819 2820 softc->flags |= CD_FLAG_VALID_TOC; 2821 2822bailout: 2823 2824 /* 2825 * We unconditionally (re)set the blocksize each time the 2826 * CD device is opened. This is because the CD can change, 2827 * and therefore the blocksize might change. 2828 * XXX problems here if some slice or partition is still 2829 * open with the old size? 2830 */ 2831 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2832 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2833 softc->device_stats.block_size = softc->params.blksize; 2834 2835 return (error); 2836} 2837 2838static int 2839cdsize(struct cam_periph *periph, u_int32_t *size) 2840{ 2841 struct cd_softc *softc; 2842 union ccb *ccb; 2843 struct scsi_read_capacity_data *rcap_buf; 2844 int error; 2845 2846 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2847 2848 softc = (struct cd_softc *)periph->softc; 2849 2850 ccb = cdgetccb(periph, /* priority */ 1); 2851 2852 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2853 M_TEMP, M_WAITOK); 2854 2855 scsi_read_capacity(&ccb->csio, 2856 /*retries*/ 1, 2857 cddone, 2858 MSG_SIMPLE_Q_TAG, 2859 rcap_buf, 2860 SSD_FULL_SIZE, 2861 /* timeout */20000); 2862 2863 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2864 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2865 2866 xpt_release_ccb(ccb); 2867 2868 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2869 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2870 /* 2871 * SCSI-3 mandates that the reported blocksize shall be 2048. 2872 * Older drives sometimes report funny values, trim it down to 2873 * 2048, or other parts of the kernel will get confused. 2874 * 2875 * XXX we leave drives alone that might report 512 bytes, as 2876 * well as drives reporting more weird sizes like perhaps 4K. 2877 */ 2878 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2879 softc->params.blksize = 2048; 2880 2881 free(rcap_buf, M_TEMP); 2882 *size = softc->params.disksize; 2883 2884 return (error); 2885 2886} 2887 2888static int 2889cd6byteworkaround(union ccb *ccb) 2890{ 2891 u_int8_t *cdb; 2892 struct cam_periph *periph; 2893 struct cd_softc *softc; 2894 struct cd_mode_params *params; 2895 int frozen, found; 2896 2897 periph = xpt_path_periph(ccb->ccb_h.path); 2898 softc = (struct cd_softc *)periph->softc; 2899 2900 cdb = ccb->csio.cdb_io.cdb_bytes; 2901 2902 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2903 || ((cdb[0] != MODE_SENSE_6) 2904 && (cdb[0] != MODE_SELECT_6))) 2905 return (0); 2906 2907 /* 2908 * Because there is no convenient place to stash the overall 2909 * cd_mode_params structure pointer, we have to grab it like this. 2910 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2911 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2912 * 2913 * XXX It would be nice if, at some point, we could increase the 2914 * number of available peripheral private pointers. Both pointers 2915 * are currently used in most every peripheral driver. 2916 */ 2917 found = 0; 2918 2919 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2920 if (params->mode_buf == ccb->csio.data_ptr) { 2921 found = 1; 2922 break; 2923 } 2924 } 2925 2926 /* 2927 * This shouldn't happen. All mode sense and mode select 2928 * operations in the cd(4) driver MUST go through cdgetmode() and 2929 * cdsetmode()! 2930 */ 2931 if (found == 0) { 2932 xpt_print_path(periph->path); 2933 printf("mode buffer not found in mode queue!\n"); 2934 return (0); 2935 } 2936 2937 params->cdb_size = 10; 2938 softc->minimum_command_size = 10; 2939 xpt_print_path(ccb->ccb_h.path); 2940 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2941 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2942 2943 if (cdb[0] == MODE_SENSE_6) { 2944 struct scsi_mode_sense_10 ms10; 2945 struct scsi_mode_sense_6 *ms6; 2946 int len; 2947 2948 ms6 = (struct scsi_mode_sense_6 *)cdb; 2949 2950 bzero(&ms10, sizeof(ms10)); 2951 ms10.opcode = MODE_SENSE_10; 2952 ms10.byte2 = ms6->byte2; 2953 ms10.page = ms6->page; 2954 2955 /* 2956 * 10 byte mode header, block descriptor, 2957 * sizeof(union cd_pages) 2958 */ 2959 len = sizeof(struct cd_mode_data_10); 2960 ccb->csio.dxfer_len = len; 2961 2962 scsi_ulto2b(len, ms10.length); 2963 ms10.control = ms6->control; 2964 bcopy(&ms10, cdb, 10); 2965 ccb->csio.cdb_len = 10; 2966 } else { 2967 struct scsi_mode_select_10 ms10; 2968 struct scsi_mode_select_6 *ms6; 2969 struct scsi_mode_header_6 *header6; 2970 struct scsi_mode_header_10 *header10; 2971 struct scsi_mode_page_header *page_header; 2972 int blk_desc_len, page_num, page_size, len; 2973 2974 ms6 = (struct scsi_mode_select_6 *)cdb; 2975 2976 bzero(&ms10, sizeof(ms10)); 2977 ms10.opcode = MODE_SELECT_10; 2978 ms10.byte2 = ms6->byte2; 2979 2980 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2981 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2982 2983 page_header = find_mode_page_6(header6); 2984 page_num = page_header->page_code; 2985 2986 blk_desc_len = header6->blk_desc_len; 2987 2988 page_size = cdgetpagesize(page_num); 2989 2990 if (page_size != (page_header->page_length + 2991 sizeof(*page_header))) 2992 page_size = page_header->page_length + 2993 sizeof(*page_header); 2994 2995 len = sizeof(*header10) + blk_desc_len + page_size; 2996 2997 len = min(params->alloc_len, len); 2998 2999 /* 3000 * Since the 6 byte parameter header is shorter than the 10 3001 * byte parameter header, we need to copy the actual mode 3002 * page data, and the block descriptor, if any, so things wind 3003 * up in the right place. The regions will overlap, but 3004 * bcopy() does the right thing. 3005 */ 3006 bcopy(params->mode_buf + sizeof(*header6), 3007 params->mode_buf + sizeof(*header10), 3008 len - sizeof(*header10)); 3009 3010 /* Make sure these fields are set correctly. */ 3011 scsi_ulto2b(0, header10->data_length); 3012 header10->medium_type = 0; 3013 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3014 3015 ccb->csio.dxfer_len = len; 3016 3017 scsi_ulto2b(len, ms10.length); 3018 ms10.control = ms6->control; 3019 bcopy(&ms10, cdb, 10); 3020 ccb->csio.cdb_len = 10; 3021 } 3022 3023 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3024 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3025 xpt_action(ccb); 3026 if (frozen) { 3027 cam_release_devq(ccb->ccb_h.path, 3028 /*relsim_flags*/0, 3029 /*openings*/0, 3030 /*timeout*/0, 3031 /*getcount_only*/0); 3032 } 3033 3034 return (ERESTART); 3035} 3036 3037static int 3038cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3039{ 3040 struct cd_softc *softc; 3041 struct cam_periph *periph; 3042 int error; 3043 3044 periph = xpt_path_periph(ccb->ccb_h.path); 3045 softc = (struct cd_softc *)periph->softc; 3046 3047 error = 0; 3048 3049 /* 3050 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3051 * CDB comes back with this particular error, try transforming it 3052 * into the 10 byte version. 3053 */ 3054 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3055 error = cd6byteworkaround(ccb); 3056 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3057 CAM_SCSI_STATUS_ERROR) 3058 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3059 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3060 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3061 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3062 int sense_key, error_code, asc, ascq; 3063 3064 scsi_extract_sense(&ccb->csio.sense_data, 3065 &error_code, &sense_key, &asc, &ascq); 3066 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3067 error = cd6byteworkaround(ccb); 3068 } 3069 3070 if (error == ERESTART) 3071 return (error); 3072 3073 /* 3074 * XXX 3075 * Until we have a better way of doing pack validation, 3076 * don't treat UAs as errors. 3077 */ 3078 sense_flags |= SF_RETRY_UA; 3079 return (cam_periph_error(ccb, cam_flags, sense_flags, 3080 &softc->saved_ccb)); 3081} 3082 3083/* 3084 * Read table of contents 3085 */ 3086static int 3087cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3088 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3089{ 3090 struct scsi_read_toc *scsi_cmd; 3091 u_int32_t ntoc; 3092 struct ccb_scsiio *csio; 3093 union ccb *ccb; 3094 int error; 3095 3096 ntoc = len; 3097 error = 0; 3098 3099 ccb = cdgetccb(periph, /* priority */ 1); 3100 3101 csio = &ccb->csio; 3102 3103 cam_fill_csio(csio, 3104 /* retries */ 1, 3105 /* cbfcnp */ cddone, 3106 /* flags */ CAM_DIR_IN, 3107 /* tag_action */ MSG_SIMPLE_Q_TAG, 3108 /* data_ptr */ data, 3109 /* dxfer_len */ len, 3110 /* sense_len */ SSD_FULL_SIZE, 3111 sizeof(struct scsi_read_toc), 3112 /* timeout */ 50000); 3113 3114 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3115 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3116 3117 if (mode == CD_MSF_FORMAT) 3118 scsi_cmd->byte2 |= CD_MSF; 3119 scsi_cmd->from_track = start; 3120 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3121 scsi_cmd->data_len[0] = (ntoc) >> 8; 3122 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3123 3124 scsi_cmd->op_code = READ_TOC; 3125 3126 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3127 /*sense_flags*/SF_RETRY_UA | sense_flags); 3128 3129 xpt_release_ccb(ccb); 3130 3131 return(error); 3132} 3133 3134static int 3135cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3136 u_int32_t format, int track, 3137 struct cd_sub_channel_info *data, u_int32_t len) 3138{ 3139 struct scsi_read_subchannel *scsi_cmd; 3140 struct ccb_scsiio *csio; 3141 union ccb *ccb; 3142 int error; 3143 3144 error = 0; 3145 3146 ccb = cdgetccb(periph, /* priority */ 1); 3147 3148 csio = &ccb->csio; 3149 3150 cam_fill_csio(csio, 3151 /* retries */ 1, 3152 /* cbfcnp */ cddone, 3153 /* flags */ CAM_DIR_IN, 3154 /* tag_action */ MSG_SIMPLE_Q_TAG, 3155 /* data_ptr */ (u_int8_t *)data, 3156 /* dxfer_len */ len, 3157 /* sense_len */ SSD_FULL_SIZE, 3158 sizeof(struct scsi_read_subchannel), 3159 /* timeout */ 50000); 3160 3161 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3162 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3163 3164 scsi_cmd->op_code = READ_SUBCHANNEL; 3165 if (mode == CD_MSF_FORMAT) 3166 scsi_cmd->byte1 |= CD_MSF; 3167 scsi_cmd->byte2 = SRS_SUBQ; 3168 scsi_cmd->subchan_format = format; 3169 scsi_cmd->track = track; 3170 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3171 scsi_cmd->control = 0; 3172 3173 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3174 /*sense_flags*/SF_RETRY_UA); 3175 3176 xpt_release_ccb(ccb); 3177 3178 return(error); 3179} 3180 3181 3182/* 3183 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3184 * routine. See comments in cd6byteworkaround() for details. 3185 */ 3186static int 3187cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3188 u_int32_t page) 3189{ 3190 struct ccb_scsiio *csio; 3191 struct cd_softc *softc; 3192 union ccb *ccb; 3193 int param_len; 3194 int error; 3195 3196 softc = (struct cd_softc *)periph->softc; 3197 3198 ccb = cdgetccb(periph, /* priority */ 1); 3199 3200 csio = &ccb->csio; 3201 3202 data->cdb_size = softc->minimum_command_size; 3203 if (data->cdb_size < 10) 3204 param_len = sizeof(struct cd_mode_data); 3205 else 3206 param_len = sizeof(struct cd_mode_data_10); 3207 3208 /* Don't say we've got more room than we actually allocated */ 3209 param_len = min(param_len, data->alloc_len); 3210 3211 scsi_mode_sense_len(csio, 3212 /* retries */ 1, 3213 /* cbfcnp */ cddone, 3214 /* tag_action */ MSG_SIMPLE_Q_TAG, 3215 /* dbd */ 0, 3216 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3217 /* page */ page, 3218 /* param_buf */ data->mode_buf, 3219 /* param_len */ param_len, 3220 /* minimum_cmd_size */ softc->minimum_command_size, 3221 /* sense_len */ SSD_FULL_SIZE, 3222 /* timeout */ 50000); 3223 3224 /* 3225 * It would be nice not to have to do this, but there's no 3226 * available pointer in the CCB that would allow us to stuff the 3227 * mode params structure in there and retrieve it in 3228 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3229 * lets the caller know what CDB size we ended up using, so they 3230 * can find the actual mode page offset. 3231 */ 3232 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3233 3234 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3235 /*sense_flags*/SF_RETRY_UA); 3236 3237 xpt_release_ccb(ccb); 3238 3239 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3240 3241 /* 3242 * This is a bit of belt-and-suspenders checking, but if we run 3243 * into a situation where the target sends back multiple block 3244 * descriptors, we might not have enough space in the buffer to 3245 * see the whole mode page. Better to return an error than 3246 * potentially access memory beyond our malloced region. 3247 */ 3248 if (error == 0) { 3249 u_int32_t data_len; 3250 3251 if (data->cdb_size == 10) { 3252 struct scsi_mode_header_10 *hdr10; 3253 3254 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3255 data_len = scsi_2btoul(hdr10->data_length); 3256 data_len += sizeof(hdr10->data_length); 3257 } else { 3258 struct scsi_mode_header_6 *hdr6; 3259 3260 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3261 data_len = hdr6->data_length; 3262 data_len += sizeof(hdr6->data_length); 3263 } 3264 3265 /* 3266 * Complain if there is more mode data available than we 3267 * allocated space for. This could potentially happen if 3268 * we miscalculated the page length for some reason, if the 3269 * drive returns multiple block descriptors, or if it sets 3270 * the data length incorrectly. 3271 */ 3272 if (data_len > data->alloc_len) { 3273 xpt_print_path(periph->path); 3274 printf("allocated modepage %d length %d < returned " 3275 "length %d\n", page, data->alloc_len, data_len); 3276 3277 error = ENOSPC; 3278 } 3279 } 3280 return (error); 3281} 3282 3283/* 3284 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3285 * routine. See comments in cd6byteworkaround() for details. 3286 */ 3287static int 3288cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3289{ 3290 struct ccb_scsiio *csio; 3291 struct cd_softc *softc; 3292 union ccb *ccb; 3293 int cdb_size, param_len; 3294 int error; 3295 3296 softc = (struct cd_softc *)periph->softc; 3297 3298 ccb = cdgetccb(periph, /* priority */ 1); 3299 3300 csio = &ccb->csio; 3301 3302 error = 0; 3303 3304 /* 3305 * If the data is formatted for the 10 byte version of the mode 3306 * select parameter list, we need to use the 10 byte CDB. 3307 * Otherwise, we use whatever the stored minimum command size. 3308 */ 3309 if (data->cdb_size == 10) 3310 cdb_size = data->cdb_size; 3311 else 3312 cdb_size = softc->minimum_command_size; 3313 3314 if (cdb_size >= 10) { 3315 struct scsi_mode_header_10 *mode_header; 3316 u_int32_t data_len; 3317 3318 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3319 3320 data_len = scsi_2btoul(mode_header->data_length); 3321 3322 scsi_ulto2b(0, mode_header->data_length); 3323 /* 3324 * SONY drives do not allow a mode select with a medium_type 3325 * value that has just been returned by a mode sense; use a 3326 * medium_type of 0 (Default) instead. 3327 */ 3328 mode_header->medium_type = 0; 3329 3330 /* 3331 * Pass back whatever the drive passed to us, plus the size 3332 * of the data length field. 3333 */ 3334 param_len = data_len + sizeof(mode_header->data_length); 3335 3336 } else { 3337 struct scsi_mode_header_6 *mode_header; 3338 3339 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3340 3341 param_len = mode_header->data_length + 1; 3342 3343 mode_header->data_length = 0; 3344 /* 3345 * SONY drives do not allow a mode select with a medium_type 3346 * value that has just been returned by a mode sense; use a 3347 * medium_type of 0 (Default) instead. 3348 */ 3349 mode_header->medium_type = 0; 3350 } 3351 3352 /* Don't say we've got more room than we actually allocated */ 3353 param_len = min(param_len, data->alloc_len); 3354 3355 scsi_mode_select_len(csio, 3356 /* retries */ 1, 3357 /* cbfcnp */ cddone, 3358 /* tag_action */ MSG_SIMPLE_Q_TAG, 3359 /* scsi_page_fmt */ 1, 3360 /* save_pages */ 0, 3361 /* param_buf */ data->mode_buf, 3362 /* param_len */ param_len, 3363 /* minimum_cmd_size */ cdb_size, 3364 /* sense_len */ SSD_FULL_SIZE, 3365 /* timeout */ 50000); 3366 3367 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3368 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3369 3370 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3371 /*sense_flags*/SF_RETRY_UA); 3372 3373 xpt_release_ccb(ccb); 3374 3375 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3376 3377 return (error); 3378} 3379 3380 3381static int 3382cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3383{ 3384 struct ccb_scsiio *csio; 3385 union ccb *ccb; 3386 int error; 3387 u_int8_t cdb_len; 3388 3389 error = 0; 3390 ccb = cdgetccb(periph, /* priority */ 1); 3391 csio = &ccb->csio; 3392 /* 3393 * Use the smallest possible command to perform the operation. 3394 */ 3395 if ((len & 0xffff0000) == 0) { 3396 /* 3397 * We can fit in a 10 byte cdb. 3398 */ 3399 struct scsi_play_10 *scsi_cmd; 3400 3401 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3402 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3403 scsi_cmd->op_code = PLAY_10; 3404 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3405 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3406 cdb_len = sizeof(*scsi_cmd); 3407 } else { 3408 struct scsi_play_12 *scsi_cmd; 3409 3410 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3411 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3412 scsi_cmd->op_code = PLAY_12; 3413 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3414 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3415 cdb_len = sizeof(*scsi_cmd); 3416 } 3417 cam_fill_csio(csio, 3418 /*retries*/2, 3419 cddone, 3420 /*flags*/CAM_DIR_NONE, 3421 MSG_SIMPLE_Q_TAG, 3422 /*dataptr*/NULL, 3423 /*datalen*/0, 3424 /*sense_len*/SSD_FULL_SIZE, 3425 cdb_len, 3426 /*timeout*/50 * 1000); 3427 3428 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3429 /*sense_flags*/SF_RETRY_UA); 3430 3431 xpt_release_ccb(ccb); 3432 3433 return(error); 3434} 3435 3436static int 3437cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3438 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3439{ 3440 struct scsi_play_msf *scsi_cmd; 3441 struct ccb_scsiio *csio; 3442 union ccb *ccb; 3443 int error; 3444 3445 error = 0; 3446 3447 ccb = cdgetccb(periph, /* priority */ 1); 3448 3449 csio = &ccb->csio; 3450 3451 cam_fill_csio(csio, 3452 /* retries */ 1, 3453 /* cbfcnp */ cddone, 3454 /* flags */ CAM_DIR_NONE, 3455 /* tag_action */ MSG_SIMPLE_Q_TAG, 3456 /* data_ptr */ NULL, 3457 /* dxfer_len */ 0, 3458 /* sense_len */ SSD_FULL_SIZE, 3459 sizeof(struct scsi_play_msf), 3460 /* timeout */ 50000); 3461 3462 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3463 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3464 3465 scsi_cmd->op_code = PLAY_MSF; 3466 scsi_cmd->start_m = startm; 3467 scsi_cmd->start_s = starts; 3468 scsi_cmd->start_f = startf; 3469 scsi_cmd->end_m = endm; 3470 scsi_cmd->end_s = ends; 3471 scsi_cmd->end_f = endf; 3472 3473 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3474 /*sense_flags*/SF_RETRY_UA); 3475 3476 xpt_release_ccb(ccb); 3477 3478 return(error); 3479} 3480 3481 3482static int 3483cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3484 u_int32_t etrack, u_int32_t eindex) 3485{ 3486 struct scsi_play_track *scsi_cmd; 3487 struct ccb_scsiio *csio; 3488 union ccb *ccb; 3489 int error; 3490 3491 error = 0; 3492 3493 ccb = cdgetccb(periph, /* priority */ 1); 3494 3495 csio = &ccb->csio; 3496 3497 cam_fill_csio(csio, 3498 /* retries */ 1, 3499 /* cbfcnp */ cddone, 3500 /* flags */ CAM_DIR_NONE, 3501 /* tag_action */ MSG_SIMPLE_Q_TAG, 3502 /* data_ptr */ NULL, 3503 /* dxfer_len */ 0, 3504 /* sense_len */ SSD_FULL_SIZE, 3505 sizeof(struct scsi_play_track), 3506 /* timeout */ 50000); 3507 3508 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3509 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3510 3511 scsi_cmd->op_code = PLAY_TRACK; 3512 scsi_cmd->start_track = strack; 3513 scsi_cmd->start_index = sindex; 3514 scsi_cmd->end_track = etrack; 3515 scsi_cmd->end_index = eindex; 3516 3517 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3518 /*sense_flags*/SF_RETRY_UA); 3519 3520 xpt_release_ccb(ccb); 3521 3522 return(error); 3523} 3524 3525static int 3526cdpause(struct cam_periph *periph, u_int32_t go) 3527{ 3528 struct scsi_pause *scsi_cmd; 3529 struct ccb_scsiio *csio; 3530 union ccb *ccb; 3531 int error; 3532 3533 error = 0; 3534 3535 ccb = cdgetccb(periph, /* priority */ 1); 3536 3537 csio = &ccb->csio; 3538 3539 cam_fill_csio(csio, 3540 /* retries */ 1, 3541 /* cbfcnp */ cddone, 3542 /* flags */ CAM_DIR_NONE, 3543 /* tag_action */ MSG_SIMPLE_Q_TAG, 3544 /* data_ptr */ NULL, 3545 /* dxfer_len */ 0, 3546 /* sense_len */ SSD_FULL_SIZE, 3547 sizeof(struct scsi_pause), 3548 /* timeout */ 50000); 3549 3550 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3551 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3552 3553 scsi_cmd->op_code = PAUSE; 3554 scsi_cmd->resume = go; 3555 3556 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3557 /*sense_flags*/SF_RETRY_UA); 3558 3559 xpt_release_ccb(ccb); 3560 3561 return(error); 3562} 3563 3564static int 3565cdstartunit(struct cam_periph *periph, int load) 3566{ 3567 union ccb *ccb; 3568 int error; 3569 3570 error = 0; 3571 3572 ccb = cdgetccb(periph, /* priority */ 1); 3573 3574 scsi_start_stop(&ccb->csio, 3575 /* retries */ 1, 3576 /* cbfcnp */ cddone, 3577 /* tag_action */ MSG_SIMPLE_Q_TAG, 3578 /* start */ TRUE, 3579 /* load_eject */ load, 3580 /* immediate */ FALSE, 3581 /* sense_len */ SSD_FULL_SIZE, 3582 /* timeout */ 50000); 3583 3584 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3585 /*sense_flags*/SF_RETRY_UA); 3586 3587 xpt_release_ccb(ccb); 3588 3589 return(error); 3590} 3591 3592static int 3593cdstopunit(struct cam_periph *periph, u_int32_t eject) 3594{ 3595 union ccb *ccb; 3596 int error; 3597 3598 error = 0; 3599 3600 ccb = cdgetccb(periph, /* priority */ 1); 3601 3602 scsi_start_stop(&ccb->csio, 3603 /* retries */ 1, 3604 /* cbfcnp */ cddone, 3605 /* tag_action */ MSG_SIMPLE_Q_TAG, 3606 /* start */ FALSE, 3607 /* load_eject */ eject, 3608 /* immediate */ FALSE, 3609 /* sense_len */ SSD_FULL_SIZE, 3610 /* timeout */ 50000); 3611 3612 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3613 /*sense_flags*/SF_RETRY_UA); 3614 3615 xpt_release_ccb(ccb); 3616 3617 return(error); 3618} 3619 3620static int 3621cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3622{ 3623 struct scsi_set_speed *scsi_cmd; 3624 struct ccb_scsiio *csio; 3625 union ccb *ccb; 3626 int error; 3627 3628 error = 0; 3629 ccb = cdgetccb(periph, /* priority */ 1); 3630 csio = &ccb->csio; 3631 3632 /* Preserve old behavior: units in multiples of CDROM speed */ 3633 if (rdspeed < 177) 3634 rdspeed *= 177; 3635 if (wrspeed < 177) 3636 wrspeed *= 177; 3637 3638 cam_fill_csio(csio, 3639 /* retries */ 1, 3640 /* cbfcnp */ cddone, 3641 /* flags */ CAM_DIR_NONE, 3642 /* tag_action */ MSG_SIMPLE_Q_TAG, 3643 /* data_ptr */ NULL, 3644 /* dxfer_len */ 0, 3645 /* sense_len */ SSD_FULL_SIZE, 3646 sizeof(struct scsi_set_speed), 3647 /* timeout */ 50000); 3648 3649 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3650 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3651 3652 scsi_cmd->opcode = SET_CD_SPEED; 3653 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3654 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3655 3656 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3657 /*sense_flags*/SF_RETRY_UA); 3658 3659 xpt_release_ccb(ccb); 3660 3661 return(error); 3662} 3663 3664static int 3665cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3666{ 3667 union ccb *ccb; 3668 u_int8_t *databuf; 3669 u_int32_t lba; 3670 int error; 3671 int length; 3672 3673 error = 0; 3674 databuf = NULL; 3675 lba = 0; 3676 3677 ccb = cdgetccb(periph, /* priority */ 1); 3678 3679 switch (authinfo->format) { 3680 case DVD_REPORT_AGID: 3681 length = sizeof(struct scsi_report_key_data_agid); 3682 break; 3683 case DVD_REPORT_CHALLENGE: 3684 length = sizeof(struct scsi_report_key_data_challenge); 3685 break; 3686 case DVD_REPORT_KEY1: 3687 length = sizeof(struct scsi_report_key_data_key1_key2); 3688 break; 3689 case DVD_REPORT_TITLE_KEY: 3690 length = sizeof(struct scsi_report_key_data_title); 3691 /* The lba field is only set for the title key */ 3692 lba = authinfo->lba; 3693 break; 3694 case DVD_REPORT_ASF: 3695 length = sizeof(struct scsi_report_key_data_asf); 3696 break; 3697 case DVD_REPORT_RPC: 3698 length = sizeof(struct scsi_report_key_data_rpc); 3699 break; 3700 case DVD_INVALIDATE_AGID: 3701 length = 0; 3702 break; 3703 default: 3704 error = EINVAL; 3705 goto bailout; 3706 break; /* NOTREACHED */ 3707 } 3708 3709 if (length != 0) { 3710 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3711 } else 3712 databuf = NULL; 3713 3714 3715 scsi_report_key(&ccb->csio, 3716 /* retries */ 1, 3717 /* cbfcnp */ cddone, 3718 /* tag_action */ MSG_SIMPLE_Q_TAG, 3719 /* lba */ lba, 3720 /* agid */ authinfo->agid, 3721 /* key_format */ authinfo->format, 3722 /* data_ptr */ databuf, 3723 /* dxfer_len */ length, 3724 /* sense_len */ SSD_FULL_SIZE, 3725 /* timeout */ 50000); 3726 3727 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3728 /*sense_flags*/SF_RETRY_UA); 3729 3730 if (error != 0) 3731 goto bailout; 3732 3733 if (ccb->csio.resid != 0) { 3734 xpt_print_path(periph->path); 3735 printf("warning, residual for report key command is %d\n", 3736 ccb->csio.resid); 3737 } 3738 3739 switch(authinfo->format) { 3740 case DVD_REPORT_AGID: { 3741 struct scsi_report_key_data_agid *agid_data; 3742 3743 agid_data = (struct scsi_report_key_data_agid *)databuf; 3744 3745 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3746 RKD_AGID_SHIFT; 3747 break; 3748 } 3749 case DVD_REPORT_CHALLENGE: { 3750 struct scsi_report_key_data_challenge *chal_data; 3751 3752 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3753 3754 bcopy(chal_data->challenge_key, authinfo->keychal, 3755 min(sizeof(chal_data->challenge_key), 3756 sizeof(authinfo->keychal))); 3757 break; 3758 } 3759 case DVD_REPORT_KEY1: { 3760 struct scsi_report_key_data_key1_key2 *key1_data; 3761 3762 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3763 3764 bcopy(key1_data->key1, authinfo->keychal, 3765 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3766 break; 3767 } 3768 case DVD_REPORT_TITLE_KEY: { 3769 struct scsi_report_key_data_title *title_data; 3770 3771 title_data = (struct scsi_report_key_data_title *)databuf; 3772 3773 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3774 RKD_TITLE_CPM_SHIFT; 3775 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3776 RKD_TITLE_CP_SEC_SHIFT; 3777 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3778 RKD_TITLE_CMGS_SHIFT; 3779 bcopy(title_data->title_key, authinfo->keychal, 3780 min(sizeof(title_data->title_key), 3781 sizeof(authinfo->keychal))); 3782 break; 3783 } 3784 case DVD_REPORT_ASF: { 3785 struct scsi_report_key_data_asf *asf_data; 3786 3787 asf_data = (struct scsi_report_key_data_asf *)databuf; 3788 3789 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3790 break; 3791 } 3792 case DVD_REPORT_RPC: { 3793 struct scsi_report_key_data_rpc *rpc_data; 3794 3795 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3796 3797 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3798 RKD_RPC_TYPE_SHIFT; 3799 authinfo->vend_rsts = 3800 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3801 RKD_RPC_VENDOR_RESET_SHIFT; 3802 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3803 authinfo->region = rpc_data->region_mask; 3804 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3805 break; 3806 } 3807 case DVD_INVALIDATE_AGID: 3808 break; 3809 default: 3810 /* This should be impossible, since we checked above */ 3811 error = EINVAL; 3812 goto bailout; 3813 break; /* NOTREACHED */ 3814 } 3815bailout: 3816 if (databuf != NULL) 3817 free(databuf, M_DEVBUF); 3818 3819 xpt_release_ccb(ccb); 3820 3821 return(error); 3822} 3823 3824static int 3825cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3826{ 3827 union ccb *ccb; 3828 u_int8_t *databuf; 3829 int length; 3830 int error; 3831 3832 error = 0; 3833 databuf = NULL; 3834 3835 ccb = cdgetccb(periph, /* priority */ 1); 3836 3837 switch(authinfo->format) { 3838 case DVD_SEND_CHALLENGE: { 3839 struct scsi_report_key_data_challenge *challenge_data; 3840 3841 length = sizeof(*challenge_data); 3842 3843 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3844 3845 databuf = (u_int8_t *)challenge_data; 3846 3847 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3848 challenge_data->data_len); 3849 3850 bcopy(authinfo->keychal, challenge_data->challenge_key, 3851 min(sizeof(authinfo->keychal), 3852 sizeof(challenge_data->challenge_key))); 3853 break; 3854 } 3855 case DVD_SEND_KEY2: { 3856 struct scsi_report_key_data_key1_key2 *key2_data; 3857 3858 length = sizeof(*key2_data); 3859 3860 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3861 3862 databuf = (u_int8_t *)key2_data; 3863 3864 scsi_ulto2b(length - sizeof(key2_data->data_len), 3865 key2_data->data_len); 3866 3867 bcopy(authinfo->keychal, key2_data->key1, 3868 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3869 3870 break; 3871 } 3872 case DVD_SEND_RPC: { 3873 struct scsi_send_key_data_rpc *rpc_data; 3874 3875 length = sizeof(*rpc_data); 3876 3877 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3878 3879 databuf = (u_int8_t *)rpc_data; 3880 3881 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3882 rpc_data->data_len); 3883 3884 rpc_data->region_code = authinfo->region; 3885 break; 3886 } 3887 default: 3888 error = EINVAL; 3889 goto bailout; 3890 break; /* NOTREACHED */ 3891 } 3892 3893 scsi_send_key(&ccb->csio, 3894 /* retries */ 1, 3895 /* cbfcnp */ cddone, 3896 /* tag_action */ MSG_SIMPLE_Q_TAG, 3897 /* agid */ authinfo->agid, 3898 /* key_format */ authinfo->format, 3899 /* data_ptr */ databuf, 3900 /* dxfer_len */ length, 3901 /* sense_len */ SSD_FULL_SIZE, 3902 /* timeout */ 50000); 3903 3904 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3905 /*sense_flags*/SF_RETRY_UA); 3906 3907bailout: 3908 3909 if (databuf != NULL) 3910 free(databuf, M_DEVBUF); 3911 3912 xpt_release_ccb(ccb); 3913 3914 return(error); 3915} 3916 3917static int 3918cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3919{ 3920 union ccb *ccb; 3921 u_int8_t *databuf; 3922 u_int32_t address; 3923 int error; 3924 int length; 3925 3926 error = 0; 3927 databuf = NULL; 3928 /* The address is reserved for many of the formats */ 3929 address = 0; 3930 3931 ccb = cdgetccb(periph, /* priority */ 1); 3932 3933 switch(dvdstruct->format) { 3934 case DVD_STRUCT_PHYSICAL: 3935 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3936 break; 3937 case DVD_STRUCT_COPYRIGHT: 3938 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3939 break; 3940 case DVD_STRUCT_DISCKEY: 3941 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3942 break; 3943 case DVD_STRUCT_BCA: 3944 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3945 break; 3946 case DVD_STRUCT_MANUFACT: 3947 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3948 break; 3949 case DVD_STRUCT_CMI: 3950 error = ENODEV; 3951 goto bailout; 3952#ifdef notyet 3953 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 3954 address = dvdstruct->address; 3955#endif 3956 break; /* NOTREACHED */ 3957 case DVD_STRUCT_PROTDISCID: 3958 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3959 break; 3960 case DVD_STRUCT_DISCKEYBLOCK: 3961 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3962 break; 3963 case DVD_STRUCT_DDS: 3964 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3965 break; 3966 case DVD_STRUCT_MEDIUM_STAT: 3967 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3968 break; 3969 case DVD_STRUCT_SPARE_AREA: 3970 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3971 break; 3972 case DVD_STRUCT_RMD_LAST: 3973 error = ENODEV; 3974 goto bailout; 3975#ifdef notyet 3976 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 3977 address = dvdstruct->address; 3978#endif 3979 break; /* NOTREACHED */ 3980 case DVD_STRUCT_RMD_RMA: 3981 error = ENODEV; 3982 goto bailout; 3983#ifdef notyet 3984 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 3985 address = dvdstruct->address; 3986#endif 3987 break; /* NOTREACHED */ 3988 case DVD_STRUCT_PRERECORDED: 3989 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3990 break; 3991 case DVD_STRUCT_UNIQUEID: 3992 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3993 break; 3994 case DVD_STRUCT_DCB: 3995 error = ENODEV; 3996 goto bailout; 3997#ifdef notyet 3998 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 3999 address = dvdstruct->address; 4000#endif 4001 break; /* NOTREACHED */ 4002 case DVD_STRUCT_LIST: 4003 /* 4004 * This is the maximum allocation length for the READ DVD 4005 * STRUCTURE command. There's nothing in the MMC3 spec 4006 * that indicates a limit in the amount of data that can 4007 * be returned from this call, other than the limits 4008 * imposed by the 2-byte length variables. 4009 */ 4010 length = 65535; 4011 break; 4012 default: 4013 error = EINVAL; 4014 goto bailout; 4015 break; /* NOTREACHED */ 4016 } 4017 4018 if (length != 0) { 4019 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4020 } else 4021 databuf = NULL; 4022 4023 scsi_read_dvd_structure(&ccb->csio, 4024 /* retries */ 1, 4025 /* cbfcnp */ cddone, 4026 /* tag_action */ MSG_SIMPLE_Q_TAG, 4027 /* lba */ address, 4028 /* layer_number */ dvdstruct->layer_num, 4029 /* key_format */ dvdstruct->format, 4030 /* agid */ dvdstruct->agid, 4031 /* data_ptr */ databuf, 4032 /* dxfer_len */ length, 4033 /* sense_len */ SSD_FULL_SIZE, 4034 /* timeout */ 50000); 4035 4036 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4037 /*sense_flags*/SF_RETRY_UA); 4038 4039 if (error != 0) 4040 goto bailout; 4041 4042 switch(dvdstruct->format) { 4043 case DVD_STRUCT_PHYSICAL: { 4044 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4045 struct dvd_layer *outlayer; 4046 struct scsi_read_dvd_struct_data_physical *phys_data; 4047 4048 phys_data = 4049 (struct scsi_read_dvd_struct_data_physical *)databuf; 4050 inlayer = &phys_data->layer_desc; 4051 outlayer = (struct dvd_layer *)&dvdstruct->data; 4052 4053 dvdstruct->length = sizeof(*inlayer); 4054 4055 outlayer->book_type = (inlayer->book_type_version & 4056 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4057 outlayer->book_version = (inlayer->book_type_version & 4058 RDSD_BOOK_VERSION_MASK); 4059 outlayer->disc_size = (inlayer->disc_size_max_rate & 4060 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4061 outlayer->max_rate = (inlayer->disc_size_max_rate & 4062 RDSD_MAX_RATE_MASK); 4063 outlayer->nlayers = (inlayer->layer_info & 4064 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4065 outlayer->track_path = (inlayer->layer_info & 4066 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4067 outlayer->layer_type = (inlayer->layer_info & 4068 RDSD_LAYER_TYPE_MASK); 4069 outlayer->linear_density = (inlayer->density & 4070 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4071 outlayer->track_density = (inlayer->density & 4072 RDSD_TRACK_DENSITY_MASK); 4073 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4074 RDSD_BCA_SHIFT; 4075 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4076 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4077 outlayer->end_sector_l0 = 4078 scsi_3btoul(inlayer->end_sector_layer0); 4079 break; 4080 } 4081 case DVD_STRUCT_COPYRIGHT: { 4082 struct scsi_read_dvd_struct_data_copyright *copy_data; 4083 4084 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4085 databuf; 4086 4087 dvdstruct->cpst = copy_data->cps_type; 4088 dvdstruct->rmi = copy_data->region_info; 4089 dvdstruct->length = 0; 4090 4091 break; 4092 } 4093 default: 4094 /* 4095 * Tell the user what the overall length is, no matter 4096 * what we can actually fit in the data buffer. 4097 */ 4098 dvdstruct->length = length - ccb->csio.resid - 4099 sizeof(struct scsi_read_dvd_struct_data_header); 4100 4101 /* 4102 * But only actually copy out the smaller of what we read 4103 * in or what the structure can take. 4104 */ 4105 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4106 dvdstruct->data, 4107 min(sizeof(dvdstruct->data), dvdstruct->length)); 4108 break; 4109 } 4110bailout: 4111 4112 if (databuf != NULL) 4113 free(databuf, M_DEVBUF); 4114 4115 xpt_release_ccb(ccb); 4116 4117 return(error); 4118} 4119 4120void 4121scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4122 void (*cbfcnp)(struct cam_periph *, union ccb *), 4123 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4124 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4125 u_int8_t sense_len, u_int32_t timeout) 4126{ 4127 struct scsi_report_key *scsi_cmd; 4128 4129 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4130 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4131 scsi_cmd->opcode = REPORT_KEY; 4132 scsi_ulto4b(lba, scsi_cmd->lba); 4133 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4134 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4135 (key_format & RK_KF_KEYFORMAT_MASK); 4136 4137 cam_fill_csio(csio, 4138 retries, 4139 cbfcnp, 4140 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4141 tag_action, 4142 /*data_ptr*/ data_ptr, 4143 /*dxfer_len*/ dxfer_len, 4144 sense_len, 4145 sizeof(*scsi_cmd), 4146 timeout); 4147} 4148 4149void 4150scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4151 void (*cbfcnp)(struct cam_periph *, union ccb *), 4152 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4153 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4154 u_int32_t timeout) 4155{ 4156 struct scsi_send_key *scsi_cmd; 4157 4158 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4159 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4160 scsi_cmd->opcode = SEND_KEY; 4161 4162 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4163 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4164 (key_format & RK_KF_KEYFORMAT_MASK); 4165 4166 cam_fill_csio(csio, 4167 retries, 4168 cbfcnp, 4169 /*flags*/ CAM_DIR_OUT, 4170 tag_action, 4171 /*data_ptr*/ data_ptr, 4172 /*dxfer_len*/ dxfer_len, 4173 sense_len, 4174 sizeof(*scsi_cmd), 4175 timeout); 4176} 4177 4178 4179void 4180scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4181 void (*cbfcnp)(struct cam_periph *, union ccb *), 4182 u_int8_t tag_action, u_int32_t address, 4183 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4184 u_int8_t *data_ptr, u_int32_t dxfer_len, 4185 u_int8_t sense_len, u_int32_t timeout) 4186{ 4187 struct scsi_read_dvd_structure *scsi_cmd; 4188 4189 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4190 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4191 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4192 4193 scsi_ulto4b(address, scsi_cmd->address); 4194 scsi_cmd->layer_number = layer_number; 4195 scsi_cmd->format = format; 4196 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4197 /* The AGID is the top two bits of this byte */ 4198 scsi_cmd->agid = agid << 6; 4199 4200 cam_fill_csio(csio, 4201 retries, 4202 cbfcnp, 4203 /*flags*/ CAM_DIR_IN, 4204 tag_action, 4205 /*data_ptr*/ data_ptr, 4206 /*dxfer_len*/ dxfer_len, 4207 sense_len, 4208 sizeof(*scsi_cmd), 4209 timeout); 4210} 4211