1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 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: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $ 28 * $DragonFly: src/sys/bus/cam/scsi/scsi_cd.c,v 1.22 2006/04/30 17:22:15 dillon Exp $ 29 */ 30 /* 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include "opt_cd.h" 51 52 #include <sys/param.h> 53 #include <sys/bootmaj.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/buf.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <sys/proc.h> 67 #include <sys/buf2.h> 68 #include <sys/thread2.h> 69 70 #include "../cam.h" 71 #include "../cam_ccb.h" 72 #include "../cam_extend.h" 73 #include "../cam_periph.h" 74 #include "../cam_xpt_periph.h" 75 #include "../cam_queue.h" 76 77 #include "scsi_message.h" 78 #include "scsi_da.h" 79 #include "scsi_cd.h" 80 81 #define LEADOUT 0xaa /* leadout toc entry */ 82 83 struct cd_params { 84 u_int32_t blksize; 85 u_long disksize; 86 }; 87 88 typedef enum { 89 CD_Q_NONE = 0x00, 90 CD_Q_NO_TOUCH = 0x01, 91 CD_Q_BCD_TRACKS = 0x02, 92 CD_Q_NO_CHANGER = 0x04, 93 CD_Q_CHANGER = 0x08, 94 CD_Q_10_BYTE_ONLY = 0x10 95 } cd_quirks; 96 97 typedef enum { 98 CD_FLAG_INVALID = 0x0001, 99 CD_FLAG_NEW_DISC = 0x0002, 100 CD_FLAG_DISC_LOCKED = 0x0004, 101 CD_FLAG_DISC_REMOVABLE = 0x0008, 102 CD_FLAG_TAGGED_QUEUING = 0x0010, 103 CD_FLAG_CHANGER = 0x0040, 104 CD_FLAG_ACTIVE = 0x0080, 105 CD_FLAG_SCHED_ON_COMP = 0x0100, 106 CD_FLAG_RETRY_UA = 0x0200, 107 CD_FLAG_VALID_MEDIA = 0x0400, 108 CD_FLAG_VALID_TOC = 0x0800, 109 CD_FLAG_OPEN = 0x1000, 110 CD_FLAG_SCTX_INIT = 0x2000 111 } cd_flags; 112 113 typedef enum { 114 CD_CCB_PROBE = 0x01, 115 CD_CCB_BUFFER_IO = 0x02, 116 CD_CCB_WAITING = 0x03, 117 CD_CCB_TYPE_MASK = 0x0F, 118 CD_CCB_RETRY_UA = 0x10 119 } cd_ccb_state; 120 121 typedef enum { 122 CHANGER_TIMEOUT_SCHED = 0x01, 123 CHANGER_SHORT_TMOUT_SCHED = 0x02, 124 CHANGER_MANUAL_CALL = 0x04, 125 CHANGER_NEED_TIMEOUT = 0x08 126 } cd_changer_flags; 127 128 #define ccb_state ppriv_field0 129 #define ccb_bio ppriv_ptr1 130 131 struct cd_tocdata { 132 struct ioc_toc_header header; 133 struct cd_toc_entry entries[100]; 134 }; 135 136 struct cd_toc_single { 137 struct ioc_toc_header header; 138 struct cd_toc_entry entry; 139 }; 140 141 typedef enum { 142 CD_STATE_PROBE, 143 CD_STATE_NORMAL 144 } cd_state; 145 146 struct cd_softc { 147 cam_pinfo pinfo; 148 cd_state state; 149 volatile cd_flags flags; 150 struct bio_queue_head bio_queue; 151 LIST_HEAD(, ccb_hdr) pending_ccbs; 152 struct cd_params params; 153 struct disk disk; 154 union ccb saved_ccb; 155 cd_quirks quirks; 156 struct devstat device_stats; 157 STAILQ_ENTRY(cd_softc) changer_links; 158 struct cdchanger *changer; 159 int bufs_left; 160 struct cam_periph *periph; 161 int minimum_command_size; 162 struct task sysctl_task; 163 struct sysctl_ctx_list sysctl_ctx; 164 struct sysctl_oid *sysctl_tree; 165 STAILQ_HEAD(, cd_mode_params) mode_queue; 166 struct cd_tocdata toc; 167 }; 168 169 struct cd_page_sizes { 170 int page; 171 int page_size; 172 }; 173 174 static struct cd_page_sizes cd_page_size_table[] = 175 { 176 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 177 }; 178 179 struct cd_quirk_entry { 180 struct scsi_inquiry_pattern inq_pat; 181 cd_quirks quirks; 182 }; 183 184 /* 185 * The changer quirk entries aren't strictly necessary. Basically, what 186 * they do is tell cdregister() up front that a device is a changer. 187 * Otherwise, it will figure that fact out once it sees a LUN on the device 188 * that is greater than 0. If it is known up front that a device is a changer, 189 * all I/O to the device will go through the changer scheduling routines, as 190 * opposed to the "normal" CD code. 191 * 192 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 193 * your device hangs when it gets a 10 byte command. Adding a quirk just 194 * to get rid of the informative diagnostic message is not acceptable. All 195 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 196 * referenced in a comment along with the quirk) , and must be approved by 197 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 198 * be removed until the submitter can explain why they are needed. 199 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 200 * when the CAM_NEW_TRAN_CODE work is done. 201 */ 202 static struct cd_quirk_entry cd_quirk_table[] = 203 { 204 { 205 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 206 /*quirks*/ CD_Q_CHANGER 207 }, 208 { 209 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 210 "*"}, /* quirks */ CD_Q_CHANGER 211 }, 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 214 /* quirks */ CD_Q_CHANGER 215 }, 216 { 217 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 218 /* quirks */ CD_Q_BCD_TRACKS 219 } 220 }; 221 222 static d_open_t cdopen; 223 static d_close_t cdclose; 224 static d_ioctl_t cdioctl; 225 static d_strategy_t cdstrategy; 226 227 static periph_init_t cdinit; 228 static periph_ctor_t cdregister; 229 static periph_dtor_t cdcleanup; 230 static periph_start_t cdstart; 231 static periph_oninv_t cdoninvalidate; 232 static void cdasync(void *callback_arg, u_int32_t code, 233 struct cam_path *path, void *arg); 234 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 235 static void cdshorttimeout(void *arg); 236 static void cdschedule(struct cam_periph *periph, int priority); 237 static void cdrunchangerqueue(void *arg); 238 static void cdchangerschedule(struct cd_softc *softc); 239 static int cdrunccb(union ccb *ccb, 240 int (*error_routine)(union ccb *ccb, 241 u_int32_t cam_flags, 242 u_int32_t sense_flags), 243 u_int32_t cam_flags, u_int32_t sense_flags); 244 static union ccb *cdgetccb(struct cam_periph *periph, 245 u_int32_t priority); 246 static void cddone(struct cam_periph *periph, 247 union ccb *start_ccb); 248 static int cderror(union ccb *ccb, u_int32_t cam_flags, 249 u_int32_t sense_flags); 250 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 251 static int cdgetpagesize(int page_num); 252 static void cdprevent(struct cam_periph *periph, int action); 253 static int cdcheckmedia(struct cam_periph *periph); 254 static int cdsize(struct cam_periph *periph, u_int32_t *size); 255 static int cd6byteworkaround(union ccb *ccb); 256 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 257 u_int32_t start, u_int8_t *data, 258 u_int32_t len, u_int32_t sense_flags); 259 static int cdgetmode(struct cam_periph *periph, 260 struct cd_mode_params *data, u_int32_t page); 261 static int cdsetmode(struct cam_periph *periph, 262 struct cd_mode_params *data); 263 static int cdplay(struct cam_periph *periph, u_int32_t blk, 264 u_int32_t len); 265 static int cdreadsubchannel(struct cam_periph *periph, 266 u_int32_t mode, u_int32_t format, 267 int track, 268 struct cd_sub_channel_info *data, 269 u_int32_t len); 270 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 271 u_int32_t starts, u_int32_t startf, 272 u_int32_t endm, u_int32_t ends, 273 u_int32_t endf); 274 static int cdplaytracks(struct cam_periph *periph, 275 u_int32_t strack, u_int32_t sindex, 276 u_int32_t etrack, u_int32_t eindex); 277 static int cdpause(struct cam_periph *periph, u_int32_t go); 278 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 279 static int cdstartunit(struct cam_periph *periph, int load); 280 static int cdsetspeed(struct cam_periph *periph, 281 u_int32_t rdspeed, u_int32_t wrspeed); 282 static int cdreportkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284 static int cdsendkey(struct cam_periph *periph, 285 struct dvd_authinfo *authinfo); 286 static int cdreaddvdstructure(struct cam_periph *periph, 287 struct dvd_struct *dvdstruct); 288 289 static struct periph_driver cddriver = 290 { 291 cdinit, "cd", 292 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 293 }; 294 295 DATA_SET(periphdriver_set, cddriver); 296 297 /* For 2.2-stable support */ 298 #ifndef D_DISK 299 #define D_DISK 0 300 #endif 301 static struct cdevsw cd_cdevsw = { 302 /* name */ "cd", 303 /* maj */ SCSICD_CDEV_MAJOR, 304 /* flags */ D_DISK, 305 /* port */ NULL, 306 /* clone */ NULL, 307 308 /* open */ cdopen, 309 /* close */ cdclose, 310 /* read */ physread, 311 /* write */ physwrite, 312 /* ioctl */ cdioctl, 313 /* poll */ nopoll, 314 /* mmap */ nommap, 315 /* strategy */ cdstrategy, 316 /* dump */ nodump, 317 /* psize */ nopsize, 318 }; 319 320 static struct extend_array *cdperiphs; 321 static int num_changers; 322 323 #ifndef CHANGER_MIN_BUSY_SECONDS 324 #define CHANGER_MIN_BUSY_SECONDS 5 325 #endif 326 #ifndef CHANGER_MAX_BUSY_SECONDS 327 #define CHANGER_MAX_BUSY_SECONDS 15 328 #endif 329 330 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 331 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 332 333 /* 334 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 335 * variables. 336 */ 337 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 338 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 339 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 340 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 341 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 342 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 343 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 344 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 345 346 struct cdchanger { 347 path_id_t path_id; 348 target_id_t target_id; 349 int num_devices; 350 struct camq devq; 351 struct timeval start_time; 352 struct cd_softc *cur_device; 353 struct callout short_handle; 354 struct callout long_handle; 355 volatile cd_changer_flags flags; 356 STAILQ_ENTRY(cdchanger) changer_links; 357 STAILQ_HEAD(chdevlist, cd_softc) chluns; 358 }; 359 360 static STAILQ_HEAD(changerlist, cdchanger) changerq; 361 362 void 363 cdinit(void) 364 { 365 cam_status status; 366 struct cam_path *path; 367 368 /* 369 * Create our extend array for storing the devices we attach to. 370 */ 371 cdperiphs = cam_extend_new(); 372 if (cdperiphs == NULL) { 373 printf("cd: Failed to alloc extend array!\n"); 374 return; 375 } 376 377 /* 378 * Install a global async callback. This callback will 379 * receive async callbacks like "new device found". 380 */ 381 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 382 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 383 384 if (status == CAM_REQ_CMP) { 385 struct ccb_setasync csa; 386 387 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 388 csa.ccb_h.func_code = XPT_SASYNC_CB; 389 csa.event_enable = AC_FOUND_DEVICE; 390 csa.callback = cdasync; 391 csa.callback_arg = NULL; 392 xpt_action((union ccb *)&csa); 393 status = csa.ccb_h.status; 394 xpt_free_path(path); 395 } 396 397 if (status != CAM_REQ_CMP) { 398 printf("cd: Failed to attach master async callback " 399 "due to status 0x%x!\n", status); 400 } 401 } 402 403 static void 404 cdoninvalidate(struct cam_periph *periph) 405 { 406 struct cd_softc *softc; 407 struct buf *q_bp; 408 struct bio *q_bio; 409 struct ccb_setasync csa; 410 411 softc = (struct cd_softc *)periph->softc; 412 413 /* 414 * De-register any async callbacks. 415 */ 416 xpt_setup_ccb(&csa.ccb_h, periph->path, 417 /* priority */ 5); 418 csa.ccb_h.func_code = XPT_SASYNC_CB; 419 csa.event_enable = 0; 420 csa.callback = cdasync; 421 csa.callback_arg = periph; 422 xpt_action((union ccb *)&csa); 423 424 softc->flags |= CD_FLAG_INVALID; 425 426 /* 427 * Although the oninvalidate() routines are always while in a 428 * critical section, we need to be in a critical section here to 429 * keep the buffer queue from being modified while we traverse it. 430 */ 431 crit_enter(); 432 433 /* 434 * Return all queued I/O with ENXIO. 435 * XXX Handle any transactions queued to the card 436 * with XPT_ABORT_CCB. 437 */ 438 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 439 bioq_remove(&softc->bio_queue, q_bio); 440 q_bp = q_bio->bio_buf; 441 q_bp->b_resid = q_bp->b_bcount; 442 q_bp->b_error = ENXIO; 443 q_bp->b_flags |= B_ERROR; 444 biodone(q_bio); 445 } 446 crit_exit(); 447 448 /* 449 * If this device is part of a changer, and it was scheduled 450 * to run, remove it from the run queue since we just nuked 451 * all of its scheduled I/O. 452 */ 453 if ((softc->flags & CD_FLAG_CHANGER) 454 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 455 camq_remove(&softc->changer->devq, softc->pinfo.index); 456 457 xpt_print_path(periph->path); 458 printf("lost device\n"); 459 } 460 461 static void 462 cdcleanup(struct cam_periph *periph) 463 { 464 struct cd_softc *softc; 465 466 softc = (struct cd_softc *)periph->softc; 467 468 xpt_print_path(periph->path); 469 printf("removing device entry\n"); 470 471 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 472 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 473 xpt_print_path(periph->path); 474 printf("can't remove sysctl context\n"); 475 } 476 477 crit_enter(); 478 /* 479 * In the queued, non-active case, the device in question 480 * has already been removed from the changer run queue. Since this 481 * device is active, we need to de-activate it, and schedule 482 * another device to run. (if there is another one to run) 483 */ 484 if ((softc->flags & CD_FLAG_CHANGER) 485 && (softc->flags & CD_FLAG_ACTIVE)) { 486 487 /* 488 * The purpose of the short timeout is soley to determine 489 * whether the current device has finished or not. Well, 490 * since we're removing the active device, we know that it 491 * is finished. So, get rid of the short timeout. 492 * Otherwise, if we're in the time period before the short 493 * timeout fires, and there are no other devices in the 494 * queue to run, there won't be any other device put in the 495 * active slot. i.e., when we call cdrunchangerqueue() 496 * below, it won't do anything. Then, when the short 497 * timeout fires, it'll look at the "current device", which 498 * we are free below, and possibly panic the kernel on a 499 * bogus pointer reference. 500 * 501 * The long timeout doesn't really matter, since we 502 * decrement the qfrozen_cnt to indicate that there is 503 * nothing in the active slot now. Therefore, there won't 504 * be any bogus pointer references there. 505 */ 506 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 507 callout_stop(&softc->changer->short_handle); 508 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 509 } 510 softc->changer->devq.qfrozen_cnt--; 511 softc->changer->flags |= CHANGER_MANUAL_CALL; 512 cdrunchangerqueue(softc->changer); 513 } 514 515 /* 516 * If we're removing the last device on the changer, go ahead and 517 * remove the changer device structure. 518 */ 519 if ((softc->flags & CD_FLAG_CHANGER) 520 && (--softc->changer->num_devices == 0)) { 521 522 /* 523 * Theoretically, there shouldn't be any timeouts left, but 524 * I'm not completely sure that that will be the case. So, 525 * it won't hurt to check and see if there are any left. 526 */ 527 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 528 callout_stop(&softc->changer->long_handle); 529 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 530 } 531 532 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 533 callout_stop(&softc->changer->short_handle); 534 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 535 } 536 537 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 538 changer_links); 539 xpt_print_path(periph->path); 540 printf("removing changer entry\n"); 541 free(softc->changer, M_DEVBUF); 542 num_changers--; 543 } 544 devstat_remove_entry(&softc->device_stats); 545 cam_extend_release(cdperiphs, periph->unit_number); 546 if (softc->disk.d_rawdev) { 547 disk_destroy(&softc->disk); 548 } 549 free(softc, M_DEVBUF); 550 crit_exit(); 551 } 552 553 static void 554 cdasync(void *callback_arg, u_int32_t code, 555 struct cam_path *path, void *arg) 556 { 557 struct cam_periph *periph; 558 559 periph = (struct cam_periph *)callback_arg; 560 switch (code) { 561 case AC_FOUND_DEVICE: 562 { 563 struct ccb_getdev *cgd; 564 cam_status status; 565 566 cgd = (struct ccb_getdev *)arg; 567 568 if (SID_TYPE(&cgd->inq_data) != T_CDROM 569 && SID_TYPE(&cgd->inq_data) != T_WORM) 570 break; 571 572 /* 573 * Allocate a peripheral instance for 574 * this device and start the probe 575 * process. 576 */ 577 status = cam_periph_alloc(cdregister, cdoninvalidate, 578 cdcleanup, cdstart, 579 "cd", CAM_PERIPH_BIO, 580 cgd->ccb_h.path, cdasync, 581 AC_FOUND_DEVICE, cgd); 582 583 if (status != CAM_REQ_CMP 584 && status != CAM_REQ_INPROG) 585 printf("cdasync: Unable to attach new device " 586 "due to status 0x%x\n", status); 587 588 break; 589 } 590 case AC_SENT_BDR: 591 case AC_BUS_RESET: 592 { 593 struct cd_softc *softc; 594 struct ccb_hdr *ccbh; 595 596 softc = (struct cd_softc *)periph->softc; 597 crit_enter(); 598 /* 599 * Don't fail on the expected unit attention 600 * that will occur. 601 */ 602 softc->flags |= CD_FLAG_RETRY_UA; 603 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 604 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 605 ccbh->ccb_state |= CD_CCB_RETRY_UA; 606 crit_exit(); 607 /* FALLTHROUGH */ 608 } 609 default: 610 cam_periph_async(periph, code, path, arg); 611 break; 612 } 613 } 614 615 static void 616 cdsysctlinit(void *context, int pending) 617 { 618 struct cam_periph *periph; 619 struct cd_softc *softc; 620 char tmpstr[80], tmpstr2[80]; 621 622 periph = (struct cam_periph *)context; 623 softc = (struct cd_softc *)periph->softc; 624 625 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 626 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 627 628 sysctl_ctx_init(&softc->sysctl_ctx); 629 softc->flags |= CD_FLAG_SCTX_INIT; 630 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 631 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 632 tmpstr2, CTLFLAG_RD, 0, tmpstr); 633 634 if (softc->sysctl_tree == NULL) { 635 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 636 return; 637 } 638 639 /* 640 * Now register the sysctl handler, so the user can the value on 641 * the fly. 642 */ 643 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 644 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 645 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 646 "Minimum CDB size"); 647 } 648 649 /* 650 * We have a handler function for this so we can check the values when the 651 * user sets them, instead of every time we look at them. 652 */ 653 static int 654 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 655 { 656 int error, value; 657 658 value = *(int *)arg1; 659 660 error = sysctl_handle_int(oidp, &value, 0, req); 661 662 if ((error != 0) || (req->newptr == NULL)) 663 return (error); 664 665 /* 666 * The only real values we can have here are 6 or 10. I don't 667 * really forsee having 12 be an option at any time in the future. 668 * So if the user sets something less than or equal to 6, we'll set 669 * it to 6. If he sets something greater than 6, we'll set it to 10. 670 * 671 * I suppose we could just return an error here for the wrong values, 672 * but I don't think it's necessary to do so, as long as we can 673 * determine the user's intent without too much trouble. 674 */ 675 if (value < 6) 676 value = 6; 677 else if (value > 6) 678 value = 10; 679 680 *(int *)arg1 = value; 681 682 return (0); 683 } 684 685 686 static cam_status 687 cdregister(struct cam_periph *periph, void *arg) 688 { 689 struct cd_softc *softc; 690 struct ccb_setasync csa; 691 struct ccb_pathinq cpi; 692 struct ccb_getdev *cgd; 693 char tmpstr[80]; 694 caddr_t match; 695 696 cgd = (struct ccb_getdev *)arg; 697 if (periph == NULL) { 698 printf("cdregister: periph was NULL!!\n"); 699 return(CAM_REQ_CMP_ERR); 700 } 701 if (cgd == NULL) { 702 printf("cdregister: no getdev CCB, can't register device\n"); 703 return(CAM_REQ_CMP_ERR); 704 } 705 706 softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 707 LIST_INIT(&softc->pending_ccbs); 708 STAILQ_INIT(&softc->mode_queue); 709 softc->state = CD_STATE_PROBE; 710 bioq_init(&softc->bio_queue); 711 if (SID_IS_REMOVABLE(&cgd->inq_data)) 712 softc->flags |= CD_FLAG_DISC_REMOVABLE; 713 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 714 softc->flags |= CD_FLAG_TAGGED_QUEUING; 715 716 periph->softc = softc; 717 softc->periph = periph; 718 719 cam_extend_set(cdperiphs, periph->unit_number, periph); 720 721 /* 722 * See if this device has any quirks. 723 */ 724 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 725 (caddr_t)cd_quirk_table, 726 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 727 sizeof(*cd_quirk_table), scsi_inquiry_match); 728 729 if (match != NULL) 730 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 731 else 732 softc->quirks = CD_Q_NONE; 733 734 /* Check if the SIM does not want 6 byte commands */ 735 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 736 cpi.ccb_h.func_code = XPT_PATH_INQ; 737 xpt_action((union ccb *)&cpi); 738 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 739 softc->quirks |= CD_Q_10_BYTE_ONLY; 740 741 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 742 743 /* The default is 6 byte commands, unless quirked otherwise */ 744 if (softc->quirks & CD_Q_10_BYTE_ONLY) 745 softc->minimum_command_size = 10; 746 else 747 softc->minimum_command_size = 6; 748 749 /* 750 * Load the user's default, if any. 751 */ 752 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 753 periph->unit_number); 754 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 755 756 /* 6 and 10 are the only permissible values here. */ 757 if (softc->minimum_command_size < 6) 758 softc->minimum_command_size = 6; 759 else if (softc->minimum_command_size > 6) 760 softc->minimum_command_size = 10; 761 762 /* 763 * We need to register the statistics structure for this device, 764 * but we don't have the blocksize yet for it. So, we register 765 * the structure and indicate that we don't have the blocksize 766 * yet. Unlike other SCSI peripheral drivers, we explicitly set 767 * the device type here to be CDROM, rather than just ORing in 768 * the device type. This is because this driver can attach to either 769 * CDROM or WORM devices, and we want this peripheral driver to 770 * show up in the devstat list as a CD peripheral driver, not a 771 * WORM peripheral driver. WORM drives will also have the WORM 772 * driver attached to them. 773 */ 774 devstat_add_entry(&softc->device_stats, "cd", 775 periph->unit_number, 0, 776 DEVSTAT_BS_UNAVAILABLE, 777 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 778 DEVSTAT_PRIORITY_CD); 779 disk_create(periph->unit_number, &softc->disk, 780 DSO_ONESLICE | DSO_COMPATLABEL, &cd_cdevsw); 781 782 /* 783 * Add an async callback so that we get 784 * notified if this device goes away. 785 */ 786 xpt_setup_ccb(&csa.ccb_h, periph->path, 787 /* priority */ 5); 788 csa.ccb_h.func_code = XPT_SASYNC_CB; 789 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 790 csa.callback = cdasync; 791 csa.callback_arg = periph; 792 xpt_action((union ccb *)&csa); 793 794 /* 795 * If the target lun is greater than 0, we most likely have a CD 796 * changer device. Check the quirk entries as well, though, just 797 * in case someone has a CD tower with one lun per drive or 798 * something like that. Also, if we know up front that a 799 * particular device is a changer, we can mark it as such starting 800 * with lun 0, instead of lun 1. It shouldn't be necessary to have 801 * a quirk entry to define something as a changer, however. 802 */ 803 if (((cgd->ccb_h.target_lun > 0) 804 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 805 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 806 struct cdchanger *nchanger; 807 struct cam_periph *nperiph; 808 struct cam_path *path; 809 cam_status status; 810 int found; 811 812 /* Set the changer flag in the current device's softc */ 813 softc->flags |= CD_FLAG_CHANGER; 814 815 if (num_changers == 0) 816 STAILQ_INIT(&changerq); 817 818 /* 819 * Now, look around for an existing changer device with the 820 * same path and target ID as the current device. 821 */ 822 for (found = 0, 823 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 824 nchanger != NULL; 825 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 826 if ((nchanger->path_id == cgd->ccb_h.path_id) 827 && (nchanger->target_id == cgd->ccb_h.target_id)) { 828 found = 1; 829 break; 830 } 831 } 832 833 /* 834 * If we found a matching entry, just add this device to 835 * the list of devices on this changer. 836 */ 837 if (found == 1) { 838 struct chdevlist *chlunhead; 839 840 chlunhead = &nchanger->chluns; 841 842 /* 843 * XXX KDM look at consolidating this code with the 844 * code below in a separate function. 845 */ 846 847 /* 848 * Create a path with lun id 0, and see if we can 849 * find a matching device 850 */ 851 status = xpt_create_path(&path, /*periph*/ periph, 852 cgd->ccb_h.path_id, 853 cgd->ccb_h.target_id, 0); 854 855 if ((status == CAM_REQ_CMP) 856 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 857 struct cd_softc *nsoftc; 858 859 nsoftc = (struct cd_softc *)nperiph->softc; 860 861 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 862 nsoftc->flags |= CD_FLAG_CHANGER; 863 nchanger->num_devices++; 864 if (camq_resize(&nchanger->devq, 865 nchanger->num_devices)!=CAM_REQ_CMP){ 866 printf("cdregister: " 867 "camq_resize " 868 "failed, changer " 869 "support may " 870 "be messed up\n"); 871 } 872 nsoftc->changer = nchanger; 873 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 874 875 STAILQ_INSERT_TAIL(&nchanger->chluns, 876 nsoftc,changer_links); 877 } 878 xpt_free_path(path); 879 } else if (status == CAM_REQ_CMP) 880 xpt_free_path(path); 881 else { 882 printf("cdregister: unable to allocate path\n" 883 "cdregister: changer support may be " 884 "broken\n"); 885 } 886 887 nchanger->num_devices++; 888 889 softc->changer = nchanger; 890 softc->pinfo.index = CAM_UNQUEUED_INDEX; 891 892 if (camq_resize(&nchanger->devq, 893 nchanger->num_devices) != CAM_REQ_CMP) { 894 printf("cdregister: camq_resize " 895 "failed, changer support may " 896 "be messed up\n"); 897 } 898 899 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 900 } 901 /* 902 * In this case, we don't already have an entry for this 903 * particular changer, so we need to create one, add it to 904 * the queue, and queue this device on the list for this 905 * changer. Before we queue this device, however, we need 906 * to search for lun id 0 on this target, and add it to the 907 * queue first, if it exists. (and if it hasn't already 908 * been marked as part of the changer.) 909 */ 910 else { 911 nchanger = malloc(sizeof(struct cdchanger), 912 M_DEVBUF, M_INTWAIT | M_ZERO); 913 callout_init(&nchanger->short_handle); 914 callout_init(&nchanger->long_handle); 915 if (camq_init(&nchanger->devq, 1) != 0) { 916 softc->flags &= ~CD_FLAG_CHANGER; 917 printf("cdregister: changer support " 918 "disabled\n"); 919 goto cdregisterexit; 920 } 921 922 num_changers++; 923 924 nchanger->path_id = cgd->ccb_h.path_id; 925 nchanger->target_id = cgd->ccb_h.target_id; 926 927 /* this is superfluous, but it makes things clearer */ 928 nchanger->num_devices = 0; 929 930 STAILQ_INIT(&nchanger->chluns); 931 932 STAILQ_INSERT_TAIL(&changerq, nchanger, 933 changer_links); 934 935 /* 936 * Create a path with lun id 0, and see if we can 937 * find a matching device 938 */ 939 status = xpt_create_path(&path, /*periph*/ periph, 940 cgd->ccb_h.path_id, 941 cgd->ccb_h.target_id, 0); 942 943 /* 944 * If we were able to allocate the path, and if we 945 * find a matching device and it isn't already 946 * marked as part of a changer, then we add it to 947 * the current changer. 948 */ 949 if ((status == CAM_REQ_CMP) 950 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 951 && ((((struct cd_softc *)periph->softc)->flags & 952 CD_FLAG_CHANGER) == 0)) { 953 struct cd_softc *nsoftc; 954 955 nsoftc = (struct cd_softc *)nperiph->softc; 956 957 nsoftc->flags |= CD_FLAG_CHANGER; 958 nchanger->num_devices++; 959 if (camq_resize(&nchanger->devq, 960 nchanger->num_devices) != CAM_REQ_CMP) { 961 printf("cdregister: camq_resize " 962 "failed, changer support may " 963 "be messed up\n"); 964 } 965 nsoftc->changer = nchanger; 966 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 967 968 STAILQ_INSERT_TAIL(&nchanger->chluns, 969 nsoftc, changer_links); 970 xpt_free_path(path); 971 } else if (status == CAM_REQ_CMP) 972 xpt_free_path(path); 973 else { 974 printf("cdregister: unable to allocate path\n" 975 "cdregister: changer support may be " 976 "broken\n"); 977 } 978 979 softc->changer = nchanger; 980 softc->pinfo.index = CAM_UNQUEUED_INDEX; 981 nchanger->num_devices++; 982 if (camq_resize(&nchanger->devq, 983 nchanger->num_devices) != CAM_REQ_CMP) { 984 printf("cdregister: camq_resize " 985 "failed, changer support may " 986 "be messed up\n"); 987 } 988 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 989 changer_links); 990 } 991 } 992 993 cdregisterexit: 994 995 /* Lock this peripheral until we are setup */ 996 /* Can't block */ 997 cam_periph_lock(periph, 0); 998 999 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1000 xpt_schedule(periph, /*priority*/5); 1001 else 1002 cdschedule(periph, /*priority*/ 5); 1003 1004 return(CAM_REQ_CMP); 1005 } 1006 1007 static int 1008 cdopen(dev_t dev, int flags, int fmt, struct thread *td) 1009 { 1010 struct cam_periph *periph; 1011 struct cd_softc *softc; 1012 int unit, error; 1013 1014 unit = dkunit(dev); 1015 periph = cam_extend_get(cdperiphs, unit); 1016 1017 if (periph == NULL) 1018 return (ENXIO); 1019 1020 softc = (struct cd_softc *)periph->softc; 1021 1022 /* 1023 * Grab a critical section and hold it until we lock the peripheral. 1024 */ 1025 crit_enter(); 1026 if (softc->flags & CD_FLAG_INVALID) { 1027 crit_exit(); 1028 return(ENXIO); 1029 } 1030 1031 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1032 crit_exit(); 1033 return (error); 1034 } 1035 1036 crit_exit(); 1037 1038 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1039 return(ENXIO); 1040 1041 /* 1042 * Check for media, and set the appropriate flags. We don't bail 1043 * if we don't have media, but then we don't allow anything but the 1044 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1045 * 1046 * XXX KDM for now, we do fail the open if we don't have media. We 1047 * can change this once we've figured out how to make the slice 1048 * code work well with media changing underneath it. 1049 */ 1050 error = cdcheckmedia(periph); 1051 1052 if (error == 0) 1053 softc->flags |= CD_FLAG_OPEN; 1054 1055 cam_periph_unlock(periph); 1056 1057 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1058 1059 return (error); 1060 } 1061 1062 static int 1063 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1064 { 1065 struct cam_periph *periph; 1066 struct cd_softc *softc; 1067 int unit, error; 1068 1069 unit = dkunit(dev); 1070 periph = cam_extend_get(cdperiphs, unit); 1071 if (periph == NULL) 1072 return (ENXIO); 1073 1074 softc = (struct cd_softc *)periph->softc; 1075 1076 if ((error = cam_periph_lock(periph, 0)) != 0) 1077 return (error); 1078 1079 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1080 cdprevent(periph, PR_ALLOW); 1081 1082 /* 1083 * Unconditionally set the dsopen() flags back to their default 1084 * state. 1085 */ 1086 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1087 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1088 1089 /* 1090 * Since we're closing this CD, mark the blocksize as unavailable. 1091 * It will be marked as available when the CD is opened again. 1092 */ 1093 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1094 1095 /* 1096 * We'll check the media and toc again at the next open(). 1097 */ 1098 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1099 1100 softc->flags &= ~CD_FLAG_OPEN; 1101 1102 cam_periph_unlock(periph); 1103 cam_periph_release(periph); 1104 1105 return (0); 1106 } 1107 1108 static void 1109 cdshorttimeout(void *arg) 1110 { 1111 struct cdchanger *changer; 1112 1113 crit_enter(); 1114 1115 changer = (struct cdchanger *)arg; 1116 1117 /* Always clear the short timeout flag, since that's what we're in */ 1118 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1119 1120 /* 1121 * Check to see if there is any more pending or outstanding I/O for 1122 * this device. If not, move it out of the active slot. 1123 */ 1124 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1125 && (changer->cur_device->device_stats.busy_count == 0)) { 1126 changer->flags |= CHANGER_MANUAL_CALL; 1127 cdrunchangerqueue(changer); 1128 } 1129 crit_exit(); 1130 } 1131 1132 /* 1133 * This is a wrapper for xpt_schedule. It only applies to changers. 1134 */ 1135 static void 1136 cdschedule(struct cam_periph *periph, int priority) 1137 { 1138 struct cd_softc *softc; 1139 1140 crit_enter(); 1141 1142 softc = (struct cd_softc *)periph->softc; 1143 1144 /* 1145 * If this device isn't currently queued, and if it isn't 1146 * the active device, then we queue this device and run the 1147 * changer queue if there is no timeout scheduled to do it. 1148 * If this device is the active device, just schedule it 1149 * to run again. If this device is queued, there should be 1150 * a timeout in place already that will make sure it runs. 1151 */ 1152 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1153 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1154 /* 1155 * We don't do anything with the priority here. 1156 * This is strictly a fifo queue. 1157 */ 1158 softc->pinfo.priority = 1; 1159 softc->pinfo.generation = ++softc->changer->devq.generation; 1160 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1161 1162 /* 1163 * Since we just put a device in the changer queue, 1164 * check and see if there is a timeout scheduled for 1165 * this changer. If so, let the timeout handle 1166 * switching this device into the active slot. If 1167 * not, manually call the timeout routine to 1168 * bootstrap things. 1169 */ 1170 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1171 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1172 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1173 softc->changer->flags |= CHANGER_MANUAL_CALL; 1174 cdrunchangerqueue(softc->changer); 1175 } 1176 } else if ((softc->flags & CD_FLAG_ACTIVE) 1177 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1178 xpt_schedule(periph, priority); 1179 } 1180 crit_exit(); 1181 } 1182 1183 static void 1184 cdrunchangerqueue(void *arg) 1185 { 1186 struct cd_softc *softc; 1187 struct cdchanger *changer; 1188 int called_from_timeout; 1189 1190 crit_enter(); 1191 1192 changer = (struct cdchanger *)arg; 1193 1194 /* 1195 * If we have NOT been called from cdstrategy() or cddone(), and 1196 * instead from a timeout routine, go ahead and clear the 1197 * timeout flag. 1198 */ 1199 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1200 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1201 called_from_timeout = 1; 1202 } else 1203 called_from_timeout = 0; 1204 1205 /* Always clear the manual call flag */ 1206 changer->flags &= ~CHANGER_MANUAL_CALL; 1207 1208 /* nothing to do if the queue is empty */ 1209 if (changer->devq.entries <= 0) { 1210 crit_exit(); 1211 return; 1212 } 1213 1214 /* 1215 * If the changer queue is frozen, that means we have an active 1216 * device. 1217 */ 1218 if (changer->devq.qfrozen_cnt > 0) { 1219 1220 if (changer->cur_device->device_stats.busy_count > 0) { 1221 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1222 changer->cur_device->bufs_left = 1223 changer->cur_device->device_stats.busy_count; 1224 if (called_from_timeout) { 1225 callout_reset(&changer->long_handle, 1226 changer_max_busy_seconds * hz, 1227 cdrunchangerqueue, changer); 1228 changer->flags |= CHANGER_TIMEOUT_SCHED; 1229 } 1230 crit_exit(); 1231 return; 1232 } 1233 1234 /* 1235 * We always need to reset the frozen count and clear the 1236 * active flag. 1237 */ 1238 changer->devq.qfrozen_cnt--; 1239 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1240 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1241 1242 /* 1243 * Check to see whether the current device has any I/O left 1244 * to do. If so, requeue it at the end of the queue. If 1245 * not, there is no need to requeue it. 1246 */ 1247 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1248 1249 changer->cur_device->pinfo.generation = 1250 ++changer->devq.generation; 1251 camq_insert(&changer->devq, 1252 (cam_pinfo *)changer->cur_device); 1253 } 1254 } 1255 1256 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1257 1258 changer->cur_device = softc; 1259 1260 changer->devq.qfrozen_cnt++; 1261 softc->flags |= CD_FLAG_ACTIVE; 1262 1263 /* Just in case this device is waiting */ 1264 wakeup(&softc->changer); 1265 xpt_schedule(softc->periph, /*priority*/ 1); 1266 1267 /* 1268 * Get rid of any pending timeouts, and set a flag to schedule new 1269 * ones so this device gets its full time quantum. 1270 */ 1271 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1272 callout_stop(&changer->long_handle); 1273 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1274 } 1275 1276 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1277 callout_stop(&changer->short_handle); 1278 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1279 } 1280 1281 /* 1282 * We need to schedule timeouts, but we only do this after the 1283 * first transaction has completed. This eliminates the changer 1284 * switch time. 1285 */ 1286 changer->flags |= CHANGER_NEED_TIMEOUT; 1287 1288 crit_exit(); 1289 } 1290 1291 static void 1292 cdchangerschedule(struct cd_softc *softc) 1293 { 1294 struct cdchanger *changer; 1295 1296 crit_enter(); 1297 1298 changer = softc->changer; 1299 1300 /* 1301 * If this is a changer, and this is the current device, 1302 * and this device has at least the minimum time quantum to 1303 * run, see if we can switch it out. 1304 */ 1305 if ((softc->flags & CD_FLAG_ACTIVE) 1306 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1307 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1308 /* 1309 * We try three things here. The first is that we 1310 * check to see whether the schedule on completion 1311 * flag is set. If it is, we decrement the number 1312 * of buffers left, and if it's zero, we reschedule. 1313 * Next, we check to see whether the pending buffer 1314 * queue is empty and whether there are no 1315 * outstanding transactions. If so, we reschedule. 1316 * Next, we see if the pending buffer queue is empty. 1317 * If it is, we set the number of buffers left to 1318 * the current active buffer count and set the 1319 * schedule on complete flag. 1320 */ 1321 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1322 if (--softc->bufs_left == 0) { 1323 softc->changer->flags |= 1324 CHANGER_MANUAL_CALL; 1325 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1326 cdrunchangerqueue(softc->changer); 1327 } 1328 } else if ((bioq_first(&softc->bio_queue) == NULL) 1329 && (softc->device_stats.busy_count == 0)) { 1330 softc->changer->flags |= CHANGER_MANUAL_CALL; 1331 cdrunchangerqueue(softc->changer); 1332 } 1333 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1334 && (softc->flags & CD_FLAG_ACTIVE)) { 1335 1336 /* 1337 * Now that the first transaction to this 1338 * particular device has completed, we can go ahead 1339 * and schedule our timeouts. 1340 */ 1341 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1342 callout_reset(&changer->long_handle, 1343 changer_max_busy_seconds * hz, 1344 cdrunchangerqueue, changer); 1345 changer->flags |= CHANGER_TIMEOUT_SCHED; 1346 } else 1347 printf("cdchangerschedule: already have a long" 1348 " timeout!\n"); 1349 1350 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1351 callout_reset(&changer->short_handle, 1352 changer_min_busy_seconds * hz, 1353 cdshorttimeout, changer); 1354 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1355 } else 1356 printf("cdchangerschedule: already have a short " 1357 "timeout!\n"); 1358 1359 /* 1360 * We just scheduled timeouts, no need to schedule 1361 * more. 1362 */ 1363 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1364 1365 } 1366 crit_exit(); 1367 } 1368 1369 static int 1370 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1371 u_int32_t cam_flags, 1372 u_int32_t sense_flags), 1373 u_int32_t cam_flags, u_int32_t sense_flags) 1374 { 1375 struct cd_softc *softc; 1376 struct cam_periph *periph; 1377 int error; 1378 1379 periph = xpt_path_periph(ccb->ccb_h.path); 1380 softc = (struct cd_softc *)periph->softc; 1381 1382 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1383 &softc->device_stats); 1384 1385 if (softc->flags & CD_FLAG_CHANGER) 1386 cdchangerschedule(softc); 1387 1388 return(error); 1389 } 1390 1391 static union ccb * 1392 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1393 { 1394 struct cd_softc *softc; 1395 1396 softc = (struct cd_softc *)periph->softc; 1397 1398 if (softc->flags & CD_FLAG_CHANGER) { 1399 crit_enter(); 1400 1401 /* 1402 * This should work the first time this device is woken up, 1403 * but just in case it doesn't, we use a while loop. 1404 */ 1405 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1406 /* 1407 * If this changer isn't already queued, queue it up. 1408 */ 1409 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1410 softc->pinfo.priority = 1; 1411 softc->pinfo.generation = 1412 ++softc->changer->devq.generation; 1413 camq_insert(&softc->changer->devq, 1414 (cam_pinfo *)softc); 1415 } 1416 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1417 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1418 && ((softc->changer->flags 1419 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1420 softc->changer->flags |= CHANGER_MANUAL_CALL; 1421 cdrunchangerqueue(softc->changer); 1422 } else 1423 tsleep(&softc->changer, 0, "cgticb", 0); 1424 } 1425 crit_exit(); 1426 } 1427 return(cam_periph_getccb(periph, priority)); 1428 } 1429 1430 /* 1431 * Actually translate the requested transfer into one the physical driver 1432 * can understand. The transfer is described by a buf and will include 1433 * only one physical transfer. 1434 */ 1435 static void 1436 cdstrategy(dev_t dev, struct bio *bio) 1437 { 1438 struct buf *bp = bio->bio_buf; 1439 struct cam_periph *periph; 1440 struct cd_softc *softc; 1441 u_int unit, part; 1442 1443 unit = dkunit(dev); 1444 part = dkpart(dev); 1445 periph = cam_extend_get(cdperiphs, unit); 1446 if (periph == NULL) { 1447 bp->b_error = ENXIO; 1448 goto bad; 1449 } 1450 1451 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1452 1453 softc = (struct cd_softc *)periph->softc; 1454 1455 /* 1456 * Mask interrupts so that the pack cannot be invalidated until 1457 * after we are in the queue. Otherwise, we might not properly 1458 * clean up one of the buffers. 1459 */ 1460 crit_enter(); 1461 1462 /* 1463 * If the device has been made invalid, error out 1464 */ 1465 if ((softc->flags & CD_FLAG_INVALID)) { 1466 crit_exit(); 1467 bp->b_error = ENXIO; 1468 goto bad; 1469 } 1470 1471 /* 1472 * If we don't have valid media, look for it before trying to 1473 * schedule the I/O. 1474 */ 1475 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1476 int error; 1477 1478 error = cdcheckmedia(periph); 1479 if (error != 0) { 1480 crit_exit(); 1481 bp->b_error = error; 1482 goto bad; 1483 } 1484 } 1485 1486 /* 1487 * Place it in the queue of disk activities for this disk 1488 */ 1489 bioqdisksort(&softc->bio_queue, bio); 1490 1491 crit_exit(); 1492 1493 /* 1494 * Schedule ourselves for performing the work. We do things 1495 * differently for changers. 1496 */ 1497 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1498 xpt_schedule(periph, /* XXX priority */1); 1499 else 1500 cdschedule(periph, /* priority */ 1); 1501 1502 return; 1503 bad: 1504 bp->b_flags |= B_ERROR; 1505 /* 1506 * Correctly set the buf to indicate a completed xfer 1507 */ 1508 bp->b_resid = bp->b_bcount; 1509 biodone(bio); 1510 } 1511 1512 static void 1513 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1514 { 1515 struct cd_softc *softc; 1516 struct bio *bio; 1517 struct buf *bp; 1518 struct ccb_scsiio *csio; 1519 struct scsi_read_capacity_data *rcap; 1520 1521 softc = (struct cd_softc *)periph->softc; 1522 1523 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1524 1525 switch (softc->state) { 1526 case CD_STATE_NORMAL: 1527 { 1528 crit_enter(); 1529 bio = bioq_first(&softc->bio_queue); 1530 if (periph->immediate_priority <= periph->pinfo.priority) { 1531 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1532 1533 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1534 periph_links.sle); 1535 periph->immediate_priority = CAM_PRIORITY_NONE; 1536 crit_exit(); 1537 wakeup(&periph->ccb_list); 1538 } else if (bio == NULL) { 1539 crit_exit(); 1540 xpt_release_ccb(start_ccb); 1541 } else { 1542 bp = bio->bio_buf; 1543 bioq_remove(&softc->bio_queue, bio); 1544 1545 devstat_start_transaction(&softc->device_stats); 1546 1547 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1548 1549 scsi_read_write(&start_ccb->csio, 1550 /*retries*/4, 1551 /* cbfcnp */ cddone, 1552 (bp->b_flags & B_ORDERED) != 0 ? 1553 MSG_ORDERED_Q_TAG : 1554 MSG_SIMPLE_Q_TAG, 1555 /* read */(bp->b_cmd == BUF_CMD_READ), 1556 /* byte2 */ 0, 1557 /* minimum_cmd_size */ 10, 1558 /* lba */ 1559 bio->bio_offset / softc->params.blksize, 1560 bp->b_bcount / softc->params.blksize, 1561 /* data_ptr */ bp->b_data, 1562 /* dxfer_len */ bp->b_bcount, 1563 /* sense_len */ SSD_FULL_SIZE, 1564 /* timeout */ 30000); 1565 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1566 1567 1568 /* 1569 * Block out any asyncronous callbacks 1570 * while we touch the pending ccb list. 1571 */ 1572 LIST_INSERT_HEAD(&softc->pending_ccbs, 1573 &start_ccb->ccb_h, periph_links.le); 1574 1575 /* We expect a unit attention from this device */ 1576 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1577 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1578 softc->flags &= ~CD_FLAG_RETRY_UA; 1579 } 1580 1581 start_ccb->ccb_h.ccb_bio = bio; 1582 bio = bioq_first(&softc->bio_queue); 1583 crit_exit(); 1584 1585 xpt_action(start_ccb); 1586 } 1587 if (bio != NULL) { 1588 /* Have more work to do, so ensure we stay scheduled */ 1589 xpt_schedule(periph, /* XXX priority */1); 1590 } 1591 break; 1592 } 1593 case CD_STATE_PROBE: 1594 { 1595 1596 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1597 csio = &start_ccb->csio; 1598 scsi_read_capacity(csio, 1599 /*retries*/1, 1600 cddone, 1601 MSG_SIMPLE_Q_TAG, 1602 rcap, 1603 SSD_FULL_SIZE, 1604 /*timeout*/20000); 1605 start_ccb->ccb_h.ccb_bio = NULL; 1606 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1607 xpt_action(start_ccb); 1608 break; 1609 } 1610 } 1611 } 1612 1613 static void 1614 cddone(struct cam_periph *periph, union ccb *done_ccb) 1615 { 1616 struct cd_softc *softc; 1617 struct ccb_scsiio *csio; 1618 1619 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1620 1621 softc = (struct cd_softc *)periph->softc; 1622 csio = &done_ccb->csio; 1623 1624 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1625 case CD_CCB_BUFFER_IO: 1626 { 1627 struct buf *bp; 1628 struct bio *bio; 1629 int error; 1630 1631 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1632 bp = bio->bio_buf; 1633 error = 0; 1634 1635 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1636 int sf; 1637 1638 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1639 sf = SF_RETRY_UA; 1640 else 1641 sf = 0; 1642 1643 /* Retry selection timeouts */ 1644 sf |= SF_RETRY_SELTO; 1645 1646 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1647 /* 1648 * A retry was scheuled, so 1649 * just return. 1650 */ 1651 return; 1652 } 1653 } 1654 1655 if (error != 0) { 1656 struct bio *q_bio; 1657 struct buf *q_bp; 1658 1659 xpt_print_path(periph->path); 1660 printf("cddone: got error %#x back\n", error); 1661 crit_enter(); 1662 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1663 bioq_remove(&softc->bio_queue, q_bio); 1664 q_bp = q_bio->bio_buf; 1665 q_bp->b_resid = q_bp->b_bcount; 1666 q_bp->b_error = EIO; 1667 q_bp->b_flags |= B_ERROR; 1668 biodone(q_bio); 1669 } 1670 crit_exit(); 1671 bp->b_resid = bp->b_bcount; 1672 bp->b_error = error; 1673 bp->b_flags |= B_ERROR; 1674 cam_release_devq(done_ccb->ccb_h.path, 1675 /*relsim_flags*/0, 1676 /*reduction*/0, 1677 /*timeout*/0, 1678 /*getcount_only*/0); 1679 1680 } else { 1681 bp->b_resid = csio->resid; 1682 bp->b_error = 0; 1683 if (bp->b_resid != 0) { 1684 /* Short transfer ??? */ 1685 bp->b_flags |= B_ERROR; 1686 } 1687 } 1688 1689 /* 1690 * Block out any asyncronous callbacks 1691 * while we touch the pending ccb list. 1692 */ 1693 crit_enter(); 1694 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1695 crit_exit(); 1696 1697 if (softc->flags & CD_FLAG_CHANGER) 1698 cdchangerschedule(softc); 1699 1700 devstat_end_transaction_buf(&softc->device_stats, bp); 1701 biodone(bio); 1702 break; 1703 } 1704 case CD_CCB_PROBE: 1705 { 1706 struct scsi_read_capacity_data *rdcap; 1707 char announce_buf[120]; /* 1708 * Currently (9/30/97) the 1709 * longest possible announce 1710 * buffer is 108 bytes, for the 1711 * first error case below. 1712 * That is 39 bytes for the 1713 * basic string, 16 bytes for the 1714 * biggest sense key (hardware 1715 * error), 52 bytes for the 1716 * text of the largest sense 1717 * qualifier valid for a CDROM, 1718 * (0x72, 0x03 or 0x04, 1719 * 0x03), and one byte for the 1720 * null terminating character. 1721 * To allow for longer strings, 1722 * the announce buffer is 120 1723 * bytes. 1724 */ 1725 struct cd_params *cdp; 1726 1727 cdp = &softc->params; 1728 1729 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1730 1731 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1732 cdp->blksize = scsi_4btoul (rdcap->length); 1733 1734 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1735 1736 snprintf(announce_buf, sizeof(announce_buf), 1737 "cd present [%lu x %lu byte records]", 1738 cdp->disksize, (u_long)cdp->blksize); 1739 1740 } else { 1741 int error; 1742 /* 1743 * Retry any UNIT ATTENTION type errors. They 1744 * are expected at boot. 1745 */ 1746 error = cderror(done_ccb, 0, SF_RETRY_UA | 1747 SF_NO_PRINT | SF_RETRY_SELTO); 1748 if (error == ERESTART) { 1749 /* 1750 * A retry was scheuled, so 1751 * just return. 1752 */ 1753 return; 1754 } else if (error != 0) { 1755 1756 struct scsi_sense_data *sense; 1757 int asc, ascq; 1758 int sense_key, error_code; 1759 int have_sense; 1760 cam_status status; 1761 struct ccb_getdev cgd; 1762 1763 /* Don't wedge this device's queue */ 1764 cam_release_devq(done_ccb->ccb_h.path, 1765 /*relsim_flags*/0, 1766 /*reduction*/0, 1767 /*timeout*/0, 1768 /*getcount_only*/0); 1769 1770 status = done_ccb->ccb_h.status; 1771 1772 xpt_setup_ccb(&cgd.ccb_h, 1773 done_ccb->ccb_h.path, 1774 /* priority */ 1); 1775 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1776 xpt_action((union ccb *)&cgd); 1777 1778 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1779 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1780 || ((status & CAM_AUTOSNS_VALID) == 0)) 1781 have_sense = FALSE; 1782 else 1783 have_sense = TRUE; 1784 1785 if (have_sense) { 1786 sense = &csio->sense_data; 1787 scsi_extract_sense(sense, &error_code, 1788 &sense_key, 1789 &asc, &ascq); 1790 } 1791 /* 1792 * Attach to anything that claims to be a 1793 * CDROM or WORM device, as long as it 1794 * doesn't return a "Logical unit not 1795 * supported" (0x25) error. 1796 */ 1797 if ((have_sense) && (asc != 0x25) 1798 && (error_code == SSD_CURRENT_ERROR)) 1799 snprintf(announce_buf, 1800 sizeof(announce_buf), 1801 "Attempt to query device " 1802 "size failed: %s, %s", 1803 scsi_sense_key_text[sense_key], 1804 scsi_sense_desc(asc,ascq, 1805 &cgd.inq_data)); 1806 else if ((have_sense == 0) 1807 && ((status & CAM_STATUS_MASK) == 1808 CAM_SCSI_STATUS_ERROR) 1809 && (csio->scsi_status == 1810 SCSI_STATUS_BUSY)) { 1811 snprintf(announce_buf, 1812 sizeof(announce_buf), 1813 "Attempt to query device " 1814 "size failed: SCSI status: BUSY"); 1815 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1816 /* 1817 * We only print out an error for 1818 * CDROM type devices. For WORM 1819 * devices, we don't print out an 1820 * error since a few WORM devices 1821 * don't support CDROM commands. 1822 * If we have sense information, go 1823 * ahead and print it out. 1824 * Otherwise, just say that we 1825 * couldn't attach. 1826 */ 1827 1828 /* 1829 * Just print out the error, not 1830 * the full probe message, when we 1831 * don't attach. 1832 */ 1833 if (have_sense) 1834 scsi_sense_print( 1835 &done_ccb->csio); 1836 else { 1837 xpt_print_path(periph->path); 1838 printf("got CAM status %#x\n", 1839 done_ccb->ccb_h.status); 1840 } 1841 xpt_print_path(periph->path); 1842 printf("fatal error, failed" 1843 " to attach to device\n"); 1844 1845 /* 1846 * Invalidate this peripheral. 1847 */ 1848 cam_periph_invalidate(periph); 1849 1850 announce_buf[0] = '\0'; 1851 } else { 1852 1853 /* 1854 * Invalidate this peripheral. 1855 */ 1856 cam_periph_invalidate(periph); 1857 announce_buf[0] = '\0'; 1858 } 1859 } 1860 } 1861 free(rdcap, M_TEMP); 1862 if (announce_buf[0] != '\0') { 1863 xpt_announce_periph(periph, announce_buf); 1864 if (softc->flags & CD_FLAG_CHANGER) 1865 cdchangerschedule(softc); 1866 /* 1867 * Create our sysctl variables, now that we know 1868 * we have successfully attached. 1869 */ 1870 taskqueue_enqueue(taskqueue_thread[mycpuid], 1871 &softc->sysctl_task); 1872 } 1873 softc->state = CD_STATE_NORMAL; 1874 /* 1875 * Since our peripheral may be invalidated by an error 1876 * above or an external event, we must release our CCB 1877 * before releasing the probe lock on the peripheral. 1878 * The peripheral will only go away once the last lock 1879 * is removed, and we need it around for the CCB release 1880 * operation. 1881 */ 1882 xpt_release_ccb(done_ccb); 1883 cam_periph_unlock(periph); 1884 return; 1885 } 1886 case CD_CCB_WAITING: 1887 { 1888 /* Caller will release the CCB */ 1889 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1890 ("trying to wakeup ccbwait\n")); 1891 1892 wakeup(&done_ccb->ccb_h.cbfcnp); 1893 return; 1894 } 1895 default: 1896 break; 1897 } 1898 xpt_release_ccb(done_ccb); 1899 } 1900 1901 static union cd_pages * 1902 cdgetpage(struct cd_mode_params *mode_params) 1903 { 1904 union cd_pages *page; 1905 1906 if (mode_params->cdb_size == 10) 1907 page = (union cd_pages *)find_mode_page_10( 1908 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1909 else 1910 page = (union cd_pages *)find_mode_page_6( 1911 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1912 1913 return (page); 1914 } 1915 1916 static int 1917 cdgetpagesize(int page_num) 1918 { 1919 int i; 1920 1921 for (i = 0; i < (sizeof(cd_page_size_table)/ 1922 sizeof(cd_page_size_table[0])); i++) { 1923 if (cd_page_size_table[i].page == page_num) 1924 return (cd_page_size_table[i].page_size); 1925 } 1926 return (-1); 1927 } 1928 1929 static int 1930 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1931 { 1932 1933 struct cam_periph *periph; 1934 struct cd_softc *softc; 1935 int error, unit; 1936 1937 unit = dkunit(dev); 1938 1939 periph = cam_extend_get(cdperiphs, unit); 1940 if (periph == NULL) 1941 return(ENXIO); 1942 1943 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1944 1945 softc = (struct cd_softc *)periph->softc; 1946 1947 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1948 ("trying to do ioctl %#lx\n", cmd)); 1949 1950 error = cam_periph_lock(periph, PCATCH); 1951 1952 if (error != 0) 1953 return(error); 1954 1955 /* 1956 * If we don't have media loaded, check for it. If still don't 1957 * have media loaded, we can only do a load or eject. 1958 */ 1959 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1960 && ((cmd != CDIOCCLOSE) 1961 && (cmd != CDIOCEJECT))) { 1962 error = cdcheckmedia(periph); 1963 if (error != 0) { 1964 cam_periph_unlock(periph); 1965 return (error); 1966 } 1967 } 1968 1969 switch (cmd) { 1970 1971 case CDIOCPLAYTRACKS: 1972 { 1973 struct ioc_play_track *args 1974 = (struct ioc_play_track *) addr; 1975 struct cd_mode_params params; 1976 union cd_pages *page; 1977 1978 params.alloc_len = sizeof(union cd_mode_data_6_10); 1979 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1980 M_WAITOK | M_ZERO); 1981 1982 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1983 ("trying to do CDIOCPLAYTRACKS\n")); 1984 1985 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1986 if (error) { 1987 free(params.mode_buf, M_TEMP); 1988 break; 1989 } 1990 page = cdgetpage(¶ms); 1991 1992 page->audio.flags &= ~CD_PA_SOTC; 1993 page->audio.flags |= CD_PA_IMMED; 1994 error = cdsetmode(periph, ¶ms); 1995 free(params.mode_buf, M_TEMP); 1996 if (error) 1997 break; 1998 1999 /* 2000 * This was originally implemented with the PLAY 2001 * AUDIO TRACK INDEX command, but that command was 2002 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2003 * drives support it but ATAPI and ATAPI-derivative 2004 * drives don't seem to support it. So we keep a 2005 * cache of the table of contents and translate 2006 * track numbers to MSF format. 2007 */ 2008 if (softc->flags & CD_FLAG_VALID_TOC) { 2009 union msf_lba *sentry, *eentry; 2010 int st, et; 2011 2012 if (args->end_track < 2013 softc->toc.header.ending_track + 1) 2014 args->end_track++; 2015 if (args->end_track > 2016 softc->toc.header.ending_track + 1) 2017 args->end_track = 2018 softc->toc.header.ending_track + 1; 2019 st = args->start_track - 2020 softc->toc.header.starting_track; 2021 et = args->end_track - 2022 softc->toc.header.starting_track; 2023 if ((st < 0) 2024 || (et < 0) 2025 || (st > (softc->toc.header.ending_track - 2026 softc->toc.header.starting_track))) { 2027 error = EINVAL; 2028 break; 2029 } 2030 sentry = &softc->toc.entries[st].addr; 2031 eentry = &softc->toc.entries[et].addr; 2032 error = cdplaymsf(periph, 2033 sentry->msf.minute, 2034 sentry->msf.second, 2035 sentry->msf.frame, 2036 eentry->msf.minute, 2037 eentry->msf.second, 2038 eentry->msf.frame); 2039 } else { 2040 /* 2041 * If we don't have a valid TOC, try the 2042 * play track index command. It is part of 2043 * the SCSI-2 spec, but was removed in the 2044 * MMC specs. ATAPI and ATAPI-derived 2045 * drives don't support it. 2046 */ 2047 if (softc->quirks & CD_Q_BCD_TRACKS) { 2048 args->start_track = 2049 bin2bcd(args->start_track); 2050 args->end_track = 2051 bin2bcd(args->end_track); 2052 } 2053 error = cdplaytracks(periph, 2054 args->start_track, 2055 args->start_index, 2056 args->end_track, 2057 args->end_index); 2058 } 2059 } 2060 break; 2061 case CDIOCPLAYMSF: 2062 { 2063 struct ioc_play_msf *args 2064 = (struct ioc_play_msf *) addr; 2065 struct cd_mode_params params; 2066 union cd_pages *page; 2067 2068 params.alloc_len = sizeof(union cd_mode_data_6_10); 2069 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2070 M_WAITOK | M_ZERO); 2071 2072 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2073 ("trying to do CDIOCPLAYMSF\n")); 2074 2075 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2076 if (error) { 2077 free(params.mode_buf, M_TEMP); 2078 break; 2079 } 2080 page = cdgetpage(¶ms); 2081 2082 page->audio.flags &= ~CD_PA_SOTC; 2083 page->audio.flags |= CD_PA_IMMED; 2084 error = cdsetmode(periph, ¶ms); 2085 free(params.mode_buf, M_TEMP); 2086 if (error) 2087 break; 2088 error = cdplaymsf(periph, 2089 args->start_m, 2090 args->start_s, 2091 args->start_f, 2092 args->end_m, 2093 args->end_s, 2094 args->end_f); 2095 } 2096 break; 2097 case CDIOCPLAYBLOCKS: 2098 { 2099 struct ioc_play_blocks *args 2100 = (struct ioc_play_blocks *) addr; 2101 struct cd_mode_params params; 2102 union cd_pages *page; 2103 2104 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2105 ("trying to do CDIOCPLAYBLOCKS\n")); 2106 2107 params.alloc_len = sizeof(union cd_mode_data_6_10); 2108 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2109 M_WAITOK | M_ZERO); 2110 2111 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2112 if (error) { 2113 free(params.mode_buf, M_TEMP); 2114 break; 2115 } 2116 page = cdgetpage(¶ms); 2117 2118 page->audio.flags &= ~CD_PA_SOTC; 2119 page->audio.flags |= CD_PA_IMMED; 2120 error = cdsetmode(periph, ¶ms); 2121 free(params.mode_buf, M_TEMP); 2122 if (error) 2123 break; 2124 error = cdplay(periph, args->blk, args->len); 2125 } 2126 break; 2127 case CDIOCREADSUBCHANNEL: 2128 { 2129 struct ioc_read_subchannel *args 2130 = (struct ioc_read_subchannel *) addr; 2131 struct cd_sub_channel_info *data; 2132 u_int32_t len = args->data_len; 2133 2134 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2135 ("trying to do CDIOCREADSUBCHANNEL\n")); 2136 2137 data = malloc(sizeof(struct cd_sub_channel_info), 2138 M_TEMP, M_WAITOK); 2139 2140 if ((len > sizeof(struct cd_sub_channel_info)) || 2141 (len < sizeof(struct cd_sub_channel_header))) { 2142 printf( 2143 "scsi_cd: cdioctl: " 2144 "cdioreadsubchannel: error, len=%d\n", 2145 len); 2146 error = EINVAL; 2147 free(data, M_TEMP); 2148 break; 2149 } 2150 2151 if (softc->quirks & CD_Q_BCD_TRACKS) 2152 args->track = bin2bcd(args->track); 2153 2154 error = cdreadsubchannel(periph, args->address_format, 2155 args->data_format, args->track, data, len); 2156 2157 if (error) { 2158 free(data, M_TEMP); 2159 break; 2160 } 2161 if (softc->quirks & CD_Q_BCD_TRACKS) 2162 data->what.track_info.track_number = 2163 bcd2bin(data->what.track_info.track_number); 2164 len = min(len, ((data->header.data_len[0] << 8) + 2165 data->header.data_len[1] + 2166 sizeof(struct cd_sub_channel_header))); 2167 if (copyout(data, args->data, len) != 0) { 2168 error = EFAULT; 2169 } 2170 free(data, M_TEMP); 2171 } 2172 break; 2173 2174 case CDIOREADTOCHEADER: 2175 { 2176 struct ioc_toc_header *th; 2177 2178 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2179 ("trying to do CDIOREADTOCHEADER\n")); 2180 2181 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2182 M_WAITOK); 2183 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2184 sizeof (*th), /*sense_flags*/0); 2185 if (error) { 2186 free(th, M_TEMP); 2187 break; 2188 } 2189 if (softc->quirks & CD_Q_BCD_TRACKS) { 2190 /* we are going to have to convert the BCD 2191 * encoding on the cd to what is expected 2192 */ 2193 th->starting_track = 2194 bcd2bin(th->starting_track); 2195 th->ending_track = bcd2bin(th->ending_track); 2196 } 2197 th->len = ntohs(th->len); 2198 bcopy(th, addr, sizeof(*th)); 2199 free(th, M_TEMP); 2200 } 2201 break; 2202 case CDIOREADTOCENTRYS: 2203 { 2204 struct cd_tocdata *data; 2205 struct cd_toc_single *lead; 2206 struct ioc_read_toc_entry *te = 2207 (struct ioc_read_toc_entry *) addr; 2208 struct ioc_toc_header *th; 2209 u_int32_t len, readlen, idx, num; 2210 u_int32_t starting_track = te->starting_track; 2211 2212 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2213 ("trying to do CDIOREADTOCENTRYS\n")); 2214 2215 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2216 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2217 2218 if (te->data_len < sizeof(struct cd_toc_entry) 2219 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2220 || (te->address_format != CD_MSF_FORMAT 2221 && te->address_format != CD_LBA_FORMAT)) { 2222 error = EINVAL; 2223 printf("scsi_cd: error in readtocentries, " 2224 "returning EINVAL\n"); 2225 free(data, M_TEMP); 2226 free(lead, M_TEMP); 2227 break; 2228 } 2229 2230 th = &data->header; 2231 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2232 sizeof (*th), /*sense_flags*/0); 2233 if (error) { 2234 free(data, M_TEMP); 2235 free(lead, M_TEMP); 2236 break; 2237 } 2238 2239 if (softc->quirks & CD_Q_BCD_TRACKS) { 2240 /* we are going to have to convert the BCD 2241 * encoding on the cd to what is expected 2242 */ 2243 th->starting_track = 2244 bcd2bin(th->starting_track); 2245 th->ending_track = bcd2bin(th->ending_track); 2246 } 2247 2248 if (starting_track == 0) 2249 starting_track = th->starting_track; 2250 else if (starting_track == LEADOUT) 2251 starting_track = th->ending_track + 1; 2252 else if (starting_track < th->starting_track || 2253 starting_track > th->ending_track + 1) { 2254 printf("scsi_cd: error in readtocentries, " 2255 "returning EINVAL\n"); 2256 free(data, M_TEMP); 2257 free(lead, M_TEMP); 2258 error = EINVAL; 2259 break; 2260 } 2261 2262 /* calculate reading length without leadout entry */ 2263 readlen = (th->ending_track - starting_track + 1) * 2264 sizeof(struct cd_toc_entry); 2265 2266 /* and with leadout entry */ 2267 len = readlen + sizeof(struct cd_toc_entry); 2268 if (te->data_len < len) { 2269 len = te->data_len; 2270 if (readlen > len) 2271 readlen = len; 2272 } 2273 if (len > sizeof(data->entries)) { 2274 printf("scsi_cd: error in readtocentries, " 2275 "returning EINVAL\n"); 2276 error = EINVAL; 2277 free(data, M_TEMP); 2278 free(lead, M_TEMP); 2279 break; 2280 } 2281 num = len / sizeof(struct cd_toc_entry); 2282 2283 if (readlen > 0) { 2284 error = cdreadtoc(periph, te->address_format, 2285 starting_track, 2286 (u_int8_t *)data, 2287 readlen + sizeof (*th), 2288 /*sense_flags*/0); 2289 if (error) { 2290 free(data, M_TEMP); 2291 free(lead, M_TEMP); 2292 break; 2293 } 2294 } 2295 2296 /* make leadout entry if needed */ 2297 idx = starting_track + num - 1; 2298 if (softc->quirks & CD_Q_BCD_TRACKS) 2299 th->ending_track = bcd2bin(th->ending_track); 2300 if (idx == th->ending_track + 1) { 2301 error = cdreadtoc(periph, te->address_format, 2302 LEADOUT, (u_int8_t *)lead, 2303 sizeof(*lead), 2304 /*sense_flags*/0); 2305 if (error) { 2306 free(data, M_TEMP); 2307 free(lead, M_TEMP); 2308 break; 2309 } 2310 data->entries[idx - starting_track] = 2311 lead->entry; 2312 } 2313 if (softc->quirks & CD_Q_BCD_TRACKS) { 2314 for (idx = 0; idx < num - 1; idx++) { 2315 data->entries[idx].track = 2316 bcd2bin(data->entries[idx].track); 2317 } 2318 } 2319 2320 error = copyout(data->entries, te->data, len); 2321 free(data, M_TEMP); 2322 free(lead, M_TEMP); 2323 } 2324 break; 2325 case CDIOREADTOCENTRY: 2326 { 2327 struct cd_toc_single *data; 2328 struct ioc_read_toc_single_entry *te = 2329 (struct ioc_read_toc_single_entry *) addr; 2330 struct ioc_toc_header *th; 2331 u_int32_t track; 2332 2333 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2334 ("trying to do CDIOREADTOCENTRY\n")); 2335 2336 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2337 2338 if (te->address_format != CD_MSF_FORMAT 2339 && te->address_format != CD_LBA_FORMAT) { 2340 printf("error in readtocentry, " 2341 " returning EINVAL\n"); 2342 free(data, M_TEMP); 2343 error = EINVAL; 2344 break; 2345 } 2346 2347 th = &data->header; 2348 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2349 sizeof (*th), /*sense_flags*/0); 2350 if (error) { 2351 free(data, M_TEMP); 2352 break; 2353 } 2354 2355 if (softc->quirks & CD_Q_BCD_TRACKS) { 2356 /* we are going to have to convert the BCD 2357 * encoding on the cd to what is expected 2358 */ 2359 th->starting_track = 2360 bcd2bin(th->starting_track); 2361 th->ending_track = bcd2bin(th->ending_track); 2362 } 2363 track = te->track; 2364 if (track == 0) 2365 track = th->starting_track; 2366 else if (track == LEADOUT) 2367 /* OK */; 2368 else if (track < th->starting_track || 2369 track > th->ending_track + 1) { 2370 printf("error in readtocentry, " 2371 " returning EINVAL\n"); 2372 free(data, M_TEMP); 2373 error = EINVAL; 2374 break; 2375 } 2376 2377 error = cdreadtoc(periph, te->address_format, track, 2378 (u_int8_t *)data, sizeof(*data), 2379 /*sense_flags*/0); 2380 if (error) { 2381 free(data, M_TEMP); 2382 break; 2383 } 2384 2385 if (softc->quirks & CD_Q_BCD_TRACKS) 2386 data->entry.track = bcd2bin(data->entry.track); 2387 bcopy(&data->entry, &te->entry, 2388 sizeof(struct cd_toc_entry)); 2389 free(data, M_TEMP); 2390 } 2391 break; 2392 case CDIOCSETPATCH: 2393 { 2394 struct ioc_patch *arg = (struct ioc_patch *)addr; 2395 struct cd_mode_params params; 2396 union cd_pages *page; 2397 2398 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2399 ("trying to do CDIOCSETPATCH\n")); 2400 2401 params.alloc_len = sizeof(union cd_mode_data_6_10); 2402 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2403 M_WAITOK | M_ZERO); 2404 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2405 if (error) { 2406 free(params.mode_buf, M_TEMP); 2407 break; 2408 } 2409 page = cdgetpage(¶ms); 2410 2411 page->audio.port[LEFT_PORT].channels = 2412 arg->patch[0]; 2413 page->audio.port[RIGHT_PORT].channels = 2414 arg->patch[1]; 2415 page->audio.port[2].channels = arg->patch[2]; 2416 page->audio.port[3].channels = arg->patch[3]; 2417 error = cdsetmode(periph, ¶ms); 2418 free(params.mode_buf, M_TEMP); 2419 } 2420 break; 2421 case CDIOCGETVOL: 2422 { 2423 struct ioc_vol *arg = (struct ioc_vol *) addr; 2424 struct cd_mode_params params; 2425 union cd_pages *page; 2426 2427 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2428 ("trying to do CDIOCGETVOL\n")); 2429 2430 params.alloc_len = sizeof(union cd_mode_data_6_10); 2431 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2432 M_WAITOK | M_ZERO); 2433 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2434 if (error) { 2435 free(params.mode_buf, M_TEMP); 2436 break; 2437 } 2438 page = cdgetpage(¶ms); 2439 2440 arg->vol[LEFT_PORT] = 2441 page->audio.port[LEFT_PORT].volume; 2442 arg->vol[RIGHT_PORT] = 2443 page->audio.port[RIGHT_PORT].volume; 2444 arg->vol[2] = page->audio.port[2].volume; 2445 arg->vol[3] = page->audio.port[3].volume; 2446 free(params.mode_buf, M_TEMP); 2447 } 2448 break; 2449 case CDIOCSETVOL: 2450 { 2451 struct ioc_vol *arg = (struct ioc_vol *) addr; 2452 struct cd_mode_params params; 2453 union cd_pages *page; 2454 2455 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2456 ("trying to do CDIOCSETVOL\n")); 2457 2458 params.alloc_len = sizeof(union cd_mode_data_6_10); 2459 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2460 M_WAITOK | M_ZERO); 2461 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2462 if (error) { 2463 free(params.mode_buf, M_TEMP); 2464 break; 2465 } 2466 page = cdgetpage(¶ms); 2467 2468 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2469 page->audio.port[LEFT_PORT].volume = 2470 arg->vol[LEFT_PORT]; 2471 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2472 page->audio.port[RIGHT_PORT].volume = 2473 arg->vol[RIGHT_PORT]; 2474 page->audio.port[2].volume = arg->vol[2]; 2475 page->audio.port[3].volume = arg->vol[3]; 2476 error = cdsetmode(periph, ¶ms); 2477 free(params.mode_buf, M_TEMP); 2478 } 2479 break; 2480 case CDIOCSETMONO: 2481 { 2482 struct cd_mode_params params; 2483 union cd_pages *page; 2484 2485 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2486 ("trying to do CDIOCSETMONO\n")); 2487 2488 params.alloc_len = sizeof(union cd_mode_data_6_10); 2489 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2490 M_WAITOK | M_ZERO); 2491 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2492 if (error) { 2493 free(params.mode_buf, M_TEMP); 2494 break; 2495 } 2496 page = cdgetpage(¶ms); 2497 2498 page->audio.port[LEFT_PORT].channels = 2499 LEFT_CHANNEL | RIGHT_CHANNEL; 2500 page->audio.port[RIGHT_PORT].channels = 2501 LEFT_CHANNEL | RIGHT_CHANNEL; 2502 page->audio.port[2].channels = 0; 2503 page->audio.port[3].channels = 0; 2504 error = cdsetmode(periph, ¶ms); 2505 free(params.mode_buf, M_TEMP); 2506 } 2507 break; 2508 case CDIOCSETSTEREO: 2509 { 2510 struct cd_mode_params params; 2511 union cd_pages *page; 2512 2513 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2514 ("trying to do CDIOCSETSTEREO\n")); 2515 2516 params.alloc_len = sizeof(union cd_mode_data_6_10); 2517 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2518 M_WAITOK | M_ZERO); 2519 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2520 if (error) { 2521 free(params.mode_buf, M_TEMP); 2522 break; 2523 } 2524 page = cdgetpage(¶ms); 2525 2526 page->audio.port[LEFT_PORT].channels = 2527 LEFT_CHANNEL; 2528 page->audio.port[RIGHT_PORT].channels = 2529 RIGHT_CHANNEL; 2530 page->audio.port[2].channels = 0; 2531 page->audio.port[3].channels = 0; 2532 error = cdsetmode(periph, ¶ms); 2533 free(params.mode_buf, M_TEMP); 2534 } 2535 break; 2536 case CDIOCSETMUTE: 2537 { 2538 struct cd_mode_params params; 2539 union cd_pages *page; 2540 2541 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2542 ("trying to do CDIOCSETMUTE\n")); 2543 2544 params.alloc_len = sizeof(union cd_mode_data_6_10); 2545 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2546 M_WAITOK | M_ZERO); 2547 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2548 if (error) { 2549 free(¶ms, M_TEMP); 2550 break; 2551 } 2552 page = cdgetpage(¶ms); 2553 2554 page->audio.port[LEFT_PORT].channels = 0; 2555 page->audio.port[RIGHT_PORT].channels = 0; 2556 page->audio.port[2].channels = 0; 2557 page->audio.port[3].channels = 0; 2558 error = cdsetmode(periph, ¶ms); 2559 free(params.mode_buf, M_TEMP); 2560 } 2561 break; 2562 case CDIOCSETLEFT: 2563 { 2564 struct cd_mode_params params; 2565 union cd_pages *page; 2566 2567 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2568 ("trying to do CDIOCSETLEFT\n")); 2569 2570 params.alloc_len = sizeof(union cd_mode_data_6_10); 2571 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2572 M_WAITOK | M_ZERO); 2573 2574 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2575 if (error) { 2576 free(params.mode_buf, M_TEMP); 2577 break; 2578 } 2579 page = cdgetpage(¶ms); 2580 2581 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2582 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2583 page->audio.port[2].channels = 0; 2584 page->audio.port[3].channels = 0; 2585 error = cdsetmode(periph, ¶ms); 2586 free(params.mode_buf, M_TEMP); 2587 } 2588 break; 2589 case CDIOCSETRIGHT: 2590 { 2591 struct cd_mode_params params; 2592 union cd_pages *page; 2593 2594 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2595 ("trying to do CDIOCSETRIGHT\n")); 2596 2597 params.alloc_len = sizeof(union cd_mode_data_6_10); 2598 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2599 M_WAITOK | M_ZERO); 2600 2601 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2602 if (error) { 2603 free(params.mode_buf, M_TEMP); 2604 break; 2605 } 2606 page = cdgetpage(¶ms); 2607 2608 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2609 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2610 page->audio.port[2].channels = 0; 2611 page->audio.port[3].channels = 0; 2612 error = cdsetmode(periph, ¶ms); 2613 free(params.mode_buf, M_TEMP); 2614 } 2615 break; 2616 case CDIOCRESUME: 2617 error = cdpause(periph, 1); 2618 break; 2619 case CDIOCPAUSE: 2620 error = cdpause(periph, 0); 2621 break; 2622 case CDIOCSTART: 2623 error = cdstartunit(periph, 0); 2624 break; 2625 case CDIOCCLOSE: 2626 error = cdstartunit(periph, 1); 2627 2628 #ifdef notyet 2629 if (error != 0) 2630 break; 2631 2632 /* 2633 * The user successfully closed the tray, run 2634 * cdcheckmedia() again so we can re-sync the disklabel 2635 * information. 2636 */ 2637 cdcheckmedia(periph); 2638 #endif /* notyet */ 2639 break; 2640 case CDIOCSTOP: 2641 error = cdstopunit(periph, 0); 2642 break; 2643 case CDIOCEJECT: 2644 error = cdstopunit(periph, 1); 2645 2646 #ifdef notyet 2647 if (error != 0) 2648 break; 2649 2650 /* 2651 * Since we've successfully ejected the media, run 2652 * cdcheckmedia() again so we re-sync the disklabel 2653 * information. 2654 */ 2655 cdcheckmedia(periph); 2656 #endif /* notyet */ 2657 break; 2658 case CDIOCALLOW: 2659 cdprevent(periph, PR_ALLOW); 2660 break; 2661 case CDIOCPREVENT: 2662 cdprevent(periph, PR_PREVENT); 2663 break; 2664 case CDIOCSETDEBUG: 2665 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2666 error = ENOTTY; 2667 break; 2668 case CDIOCCLRDEBUG: 2669 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2670 error = ENOTTY; 2671 break; 2672 case CDIOCRESET: 2673 /* return (cd_reset(periph)); */ 2674 error = ENOTTY; 2675 break; 2676 case CDRIOCREADSPEED: 2677 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2678 break; 2679 case CDRIOCWRITESPEED: 2680 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2681 break; 2682 case DVDIOCSENDKEY: 2683 case DVDIOCREPORTKEY: { 2684 struct dvd_authinfo *authinfo; 2685 2686 authinfo = (struct dvd_authinfo *)addr; 2687 2688 if (cmd == DVDIOCREPORTKEY) 2689 error = cdreportkey(periph, authinfo); 2690 else 2691 error = cdsendkey(periph, authinfo); 2692 break; 2693 } 2694 case DVDIOCREADSTRUCTURE: { 2695 struct dvd_struct *dvdstruct; 2696 2697 dvdstruct = (struct dvd_struct *)addr; 2698 2699 error = cdreaddvdstructure(periph, dvdstruct); 2700 2701 break; 2702 } 2703 default: 2704 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2705 break; 2706 } 2707 2708 cam_periph_unlock(periph); 2709 2710 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2711 2712 return (error); 2713 } 2714 2715 static void 2716 cdprevent(struct cam_periph *periph, int action) 2717 { 2718 union ccb *ccb; 2719 struct cd_softc *softc; 2720 int error; 2721 2722 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2723 2724 softc = (struct cd_softc *)periph->softc; 2725 2726 if (((action == PR_ALLOW) 2727 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2728 || ((action == PR_PREVENT) 2729 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2730 return; 2731 } 2732 2733 ccb = cdgetccb(periph, /* priority */ 1); 2734 2735 scsi_prevent(&ccb->csio, 2736 /*retries*/ 1, 2737 cddone, 2738 MSG_SIMPLE_Q_TAG, 2739 action, 2740 SSD_FULL_SIZE, 2741 /* timeout */60000); 2742 2743 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2744 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2745 2746 xpt_release_ccb(ccb); 2747 2748 if (error == 0) { 2749 if (action == PR_ALLOW) 2750 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2751 else 2752 softc->flags |= CD_FLAG_DISC_LOCKED; 2753 } 2754 } 2755 2756 int 2757 cdcheckmedia(struct cam_periph *periph) 2758 { 2759 struct cd_softc *softc; 2760 struct ioc_toc_header *toch; 2761 struct cd_toc_single leadout; 2762 struct ccb_getdev cgd; 2763 u_int32_t size, toclen; 2764 int error, num_entries, cdindex; 2765 int first_track_audio; 2766 struct disklabel *label; 2767 2768 softc = (struct cd_softc *)periph->softc; 2769 2770 first_track_audio = -1; 2771 error = 0; 2772 2773 cdprevent(periph, PR_PREVENT); 2774 2775 /* 2776 * Build prototype label for whole disk. 2777 * Should take information about different data tracks from the 2778 * TOC and put it in the partition table. 2779 */ 2780 label = &softc->disk.d_label; 2781 bzero(label, sizeof(*label)); 2782 label->d_type = DTYPE_SCSI; 2783 2784 /* 2785 * Grab the inquiry data to get the vendor and product names. 2786 * Put them in the typename and packname for the label. 2787 */ 2788 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2789 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2790 xpt_action((union ccb *)&cgd); 2791 2792 strncpy(label->d_typename, cgd.inq_data.vendor, 2793 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2794 strncpy(label->d_packname, cgd.inq_data.product, 2795 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2796 2797 label->d_flags = D_REMOVABLE; 2798 /* 2799 * Make partition 'a' cover the whole disk. This is a temporary 2800 * compatibility hack. The 'a' partition should not exist, so 2801 * the slice code won't create it. The slice code will make 2802 * partition (RAW_PART + 'a') cover the whole disk and fill in 2803 * some more defaults. 2804 */ 2805 label->d_partitions[0].p_size = label->d_secperunit; 2806 label->d_partitions[0].p_fstype = FS_OTHER; 2807 2808 /* 2809 * Default to not reading the disklabel off the disk, until we can 2810 * verify that we have media, that we have a table of contents, and 2811 * that the first track is a data track (which could theoretically 2812 * contain a disklabel). 2813 */ 2814 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 2815 softc->disk.d_dsflags |= DSO_NOLABELS; 2816 2817 /* 2818 * Clear the valid media and TOC flags until we've verified that we 2819 * have both. 2820 */ 2821 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2822 2823 /* 2824 * Get the disc size and block size. If we can't get it, we don't 2825 * have media, most likely. 2826 */ 2827 if ((error = cdsize(periph, &size)) != 0) { 2828 /* 2829 * Set a bogus sector size, so the slice code won't try to 2830 * divide by 0 and panic the kernel. 2831 */ 2832 label->d_secsize = 2048; 2833 2834 label->d_secperunit = 0; 2835 2836 /* 2837 * XXX KDM is this a good idea? Seems to cause more 2838 * problems. 2839 */ 2840 if (softc->flags & CD_FLAG_OPEN) { 2841 int force; 2842 2843 force = 1; 2844 2845 /* 2846 * We don't bother checking the return value here, 2847 * since we already have an error... 2848 */ 2849 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2850 /*data*/(caddr_t)&force, /*flags*/ 0, 2851 &softc->disk.d_slice); 2852 } 2853 2854 /* 2855 * Tell devstat(9) we don't have a blocksize. 2856 */ 2857 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2858 2859 cdprevent(periph, PR_ALLOW); 2860 2861 return (error); 2862 } else { 2863 2864 label->d_secsize = softc->params.blksize; 2865 label->d_secperunit = softc->params.disksize; 2866 2867 /* 2868 * Force a re-sync of slice information, like the blocksize, 2869 * now that we know it. It isn't pretty...but according to 2870 * Bruce Evans, this is probably the best way to do it in 2871 * -stable. We only do this if we're already open, and 2872 * therefore dsopen() has already run. If CD_FLAG_OPEN 2873 * isn't set, this isn't necessary. 2874 */ 2875 if (softc->flags & CD_FLAG_OPEN) { 2876 int force; 2877 2878 force = 1; 2879 2880 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2881 /*data*/(caddr_t)&force, /*flags*/ 0, 2882 &softc->disk.d_slice); 2883 if (error != 0) { 2884 /* 2885 * Set a bogus sector size, so the slice code 2886 * won't try to divide by 0 and panic the 2887 * kernel. 2888 */ 2889 label->d_secsize = 2048; 2890 2891 label->d_secperunit = 0; 2892 2893 /* 2894 * Tell devstat(9) we don't have a blocksize. 2895 */ 2896 softc->device_stats.flags |= 2897 DEVSTAT_BS_UNAVAILABLE; 2898 2899 cdprevent(periph, PR_ALLOW); 2900 } 2901 } 2902 2903 /* 2904 * We unconditionally (re)set the blocksize each time the 2905 * CD device is opened. This is because the CD can change, 2906 * and therefore the blocksize might change. 2907 * XXX problems here if some slice or partition is still 2908 * open with the old size? 2909 */ 2910 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2911 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2912 softc->device_stats.block_size = softc->params.blksize; 2913 2914 softc->flags |= CD_FLAG_VALID_MEDIA; 2915 } 2916 2917 /* 2918 * Now we check the table of contents. This (currently) is only 2919 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2920 * things like present a separate entry in /dev for each track, 2921 * like that acd(4) driver does. 2922 */ 2923 bzero(&softc->toc, sizeof(softc->toc)); 2924 toch = &softc->toc.header; 2925 2926 /* 2927 * We will get errors here for media that doesn't have a table of 2928 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2929 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2930 * has not been recorded (no complete session) and the Format codes 2931 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2932 * with an INVALID FIELD IN CDB. Devices that are not capable of 2933 * reading an incomplete session on DDC/CD-R/RW media shall report 2934 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2935 * 2936 * So this isn't fatal if we can't read the table of contents, it 2937 * just means that the user won't be able to issue the play tracks 2938 * ioctl, and likely lots of other stuff won't work either. They 2939 * need to burn the CD before we can do a whole lot with it. So 2940 * we don't print anything here if we get an error back. 2941 */ 2942 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2943 SF_NO_PRINT); 2944 /* 2945 * Errors in reading the table of contents aren't fatal, we just 2946 * won't have a valid table of contents cached. 2947 */ 2948 if (error != 0) { 2949 error = 0; 2950 bzero(&softc->toc, sizeof(softc->toc)); 2951 goto bailout; 2952 } 2953 2954 if (softc->quirks & CD_Q_BCD_TRACKS) { 2955 toch->starting_track = bcd2bin(toch->starting_track); 2956 toch->ending_track = bcd2bin(toch->ending_track); 2957 } 2958 2959 /* Number of TOC entries, plus leadout */ 2960 num_entries = (toch->ending_track - toch->starting_track) + 2; 2961 2962 if (num_entries <= 0) 2963 goto bailout; 2964 2965 toclen = num_entries * sizeof(struct cd_toc_entry); 2966 2967 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2968 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2969 SF_NO_PRINT); 2970 if (error != 0) { 2971 error = 0; 2972 bzero(&softc->toc, sizeof(softc->toc)); 2973 goto bailout; 2974 } 2975 2976 if (softc->quirks & CD_Q_BCD_TRACKS) { 2977 toch->starting_track = bcd2bin(toch->starting_track); 2978 toch->ending_track = bcd2bin(toch->ending_track); 2979 } 2980 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2981 2982 /* 2983 * XXX KDM is this necessary? Probably only if the drive doesn't 2984 * return leadout information with the table of contents. 2985 */ 2986 cdindex = toch->starting_track + num_entries -1; 2987 if (cdindex == toch->ending_track + 1) { 2988 2989 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2990 (u_int8_t *)&leadout, sizeof(leadout), 2991 SF_NO_PRINT); 2992 if (error != 0) { 2993 error = 0; 2994 goto bailout; 2995 } 2996 softc->toc.entries[cdindex - toch->starting_track] = 2997 leadout.entry; 2998 } 2999 if (softc->quirks & CD_Q_BCD_TRACKS) { 3000 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3001 softc->toc.entries[cdindex].track = 3002 bcd2bin(softc->toc.entries[cdindex].track); 3003 } 3004 } 3005 3006 /* 3007 * Run through the TOC entries, find the first entry and determine 3008 * whether it is an audio or data track. 3009 */ 3010 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3011 if (softc->toc.entries[cdindex].track == toch->starting_track) { 3012 if (softc->toc.entries[cdindex].control & 0x04) 3013 first_track_audio = 0; 3014 else 3015 first_track_audio = 1; 3016 break; 3017 } 3018 } 3019 3020 /* 3021 * If first_track_audio is non-zero, we either have an error (e.g. 3022 * couldn't find the starting track) or the first track is an audio 3023 * track. If first_track_audio is 0, the first track is a data 3024 * track that could have a disklabel. Attempt to read the 3025 * disklabel off the media, just in case the user put one there. 3026 */ 3027 if (first_track_audio == 0) { 3028 softc->disk.d_dsflags |= DSO_COMPATLABEL; 3029 softc->disk.d_dsflags &= ~DSO_NOLABELS; 3030 } 3031 softc->flags |= CD_FLAG_VALID_TOC; 3032 3033 bailout: 3034 return (error); 3035 } 3036 3037 static int 3038 cdsize(struct cam_periph *periph, u_int32_t *size) 3039 { 3040 struct cd_softc *softc; 3041 union ccb *ccb; 3042 struct scsi_read_capacity_data *rcap_buf; 3043 int error; 3044 3045 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3046 3047 softc = (struct cd_softc *)periph->softc; 3048 3049 ccb = cdgetccb(periph, /* priority */ 1); 3050 3051 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 3052 M_TEMP, M_INTWAIT | M_ZERO); 3053 3054 scsi_read_capacity(&ccb->csio, 3055 /*retries*/ 1, 3056 cddone, 3057 MSG_SIMPLE_Q_TAG, 3058 rcap_buf, 3059 SSD_FULL_SIZE, 3060 /* timeout */20000); 3061 3062 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3063 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3064 3065 xpt_release_ccb(ccb); 3066 3067 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3068 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3069 /* 3070 * SCSI-3 mandates that the reported blocksize shall be 2048. 3071 * Older drives sometimes report funny values, trim it down to 3072 * 2048, or other parts of the kernel will get confused. 3073 * 3074 * XXX we leave drives alone that might report 512 bytes, as 3075 * well as drives reporting more weird sizes like perhaps 4K. 3076 */ 3077 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3078 softc->params.blksize = 2048; 3079 3080 free(rcap_buf, M_TEMP); 3081 *size = softc->params.disksize; 3082 3083 return (error); 3084 3085 } 3086 3087 static int 3088 cd6byteworkaround(union ccb *ccb) 3089 { 3090 u_int8_t *cdb; 3091 struct cam_periph *periph; 3092 struct cd_softc *softc; 3093 struct cd_mode_params *params; 3094 int frozen, found; 3095 3096 periph = xpt_path_periph(ccb->ccb_h.path); 3097 softc = (struct cd_softc *)periph->softc; 3098 3099 cdb = ccb->csio.cdb_io.cdb_bytes; 3100 3101 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3102 || ((cdb[0] != MODE_SENSE_6) 3103 && (cdb[0] != MODE_SELECT_6))) 3104 return (0); 3105 3106 /* 3107 * Because there is no convenient place to stash the overall 3108 * cd_mode_params structure pointer, we have to grab it like this. 3109 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3110 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3111 * 3112 * XXX It would be nice if, at some point, we could increase the 3113 * number of available peripheral private pointers. Both pointers 3114 * are currently used in most every peripheral driver. 3115 */ 3116 found = 0; 3117 3118 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3119 if (params->mode_buf == ccb->csio.data_ptr) { 3120 found = 1; 3121 break; 3122 } 3123 } 3124 3125 /* 3126 * This shouldn't happen. All mode sense and mode select 3127 * operations in the cd(4) driver MUST go through cdgetmode() and 3128 * cdsetmode()! 3129 */ 3130 if (found == 0) { 3131 xpt_print_path(periph->path); 3132 printf("mode buffer not found in mode queue!\n"); 3133 return (0); 3134 } 3135 3136 params->cdb_size = 10; 3137 softc->minimum_command_size = 10; 3138 xpt_print_path(ccb->ccb_h.path); 3139 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3140 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3141 3142 if (cdb[0] == MODE_SENSE_6) { 3143 struct scsi_mode_sense_10 ms10; 3144 struct scsi_mode_sense_6 *ms6; 3145 int len; 3146 3147 ms6 = (struct scsi_mode_sense_6 *)cdb; 3148 3149 bzero(&ms10, sizeof(ms10)); 3150 ms10.opcode = MODE_SENSE_10; 3151 ms10.byte2 = ms6->byte2; 3152 ms10.page = ms6->page; 3153 3154 /* 3155 * 10 byte mode header, block descriptor, 3156 * sizeof(union cd_pages) 3157 */ 3158 len = sizeof(struct cd_mode_data_10); 3159 ccb->csio.dxfer_len = len; 3160 3161 scsi_ulto2b(len, ms10.length); 3162 ms10.control = ms6->control; 3163 bcopy(&ms10, cdb, 10); 3164 ccb->csio.cdb_len = 10; 3165 } else { 3166 struct scsi_mode_select_10 ms10; 3167 struct scsi_mode_select_6 *ms6; 3168 struct scsi_mode_header_6 *header6; 3169 struct scsi_mode_header_10 *header10; 3170 struct scsi_mode_page_header *page_header; 3171 int blk_desc_len, page_num, page_size, len; 3172 3173 ms6 = (struct scsi_mode_select_6 *)cdb; 3174 3175 bzero(&ms10, sizeof(ms10)); 3176 ms10.opcode = MODE_SELECT_10; 3177 ms10.byte2 = ms6->byte2; 3178 3179 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3180 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3181 3182 page_header = find_mode_page_6(header6); 3183 page_num = page_header->page_code; 3184 3185 blk_desc_len = header6->blk_desc_len; 3186 3187 page_size = cdgetpagesize(page_num); 3188 3189 if (page_size != (page_header->page_length + 3190 sizeof(*page_header))) 3191 page_size = page_header->page_length + 3192 sizeof(*page_header); 3193 3194 len = sizeof(*header10) + blk_desc_len + page_size; 3195 3196 len = min(params->alloc_len, len); 3197 3198 /* 3199 * Since the 6 byte parameter header is shorter than the 10 3200 * byte parameter header, we need to copy the actual mode 3201 * page data, and the block descriptor, if any, so things wind 3202 * up in the right place. The regions will overlap, but 3203 * bcopy() does the right thing. 3204 */ 3205 bcopy(params->mode_buf + sizeof(*header6), 3206 params->mode_buf + sizeof(*header10), 3207 len - sizeof(*header10)); 3208 3209 /* Make sure these fields are set correctly. */ 3210 scsi_ulto2b(0, header10->data_length); 3211 header10->medium_type = 0; 3212 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3213 3214 ccb->csio.dxfer_len = len; 3215 3216 scsi_ulto2b(len, ms10.length); 3217 ms10.control = ms6->control; 3218 bcopy(&ms10, cdb, 10); 3219 ccb->csio.cdb_len = 10; 3220 } 3221 3222 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3223 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3224 xpt_action(ccb); 3225 if (frozen) { 3226 cam_release_devq(ccb->ccb_h.path, 3227 /*relsim_flags*/0, 3228 /*openings*/0, 3229 /*timeout*/0, 3230 /*getcount_only*/0); 3231 } 3232 3233 return (ERESTART); 3234 } 3235 3236 static int 3237 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3238 { 3239 struct cd_softc *softc; 3240 struct cam_periph *periph; 3241 int error; 3242 3243 periph = xpt_path_periph(ccb->ccb_h.path); 3244 softc = (struct cd_softc *)periph->softc; 3245 3246 error = 0; 3247 3248 /* 3249 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3250 * CDB comes back with this particular error, try transforming it 3251 * into the 10 byte version. 3252 */ 3253 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3254 error = cd6byteworkaround(ccb); 3255 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3256 CAM_SCSI_STATUS_ERROR) 3257 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3258 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3259 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3260 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3261 int sense_key, error_code, asc, ascq; 3262 3263 scsi_extract_sense(&ccb->csio.sense_data, 3264 &error_code, &sense_key, &asc, &ascq); 3265 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3266 error = cd6byteworkaround(ccb); 3267 } 3268 3269 if (error == ERESTART) 3270 return (error); 3271 3272 /* 3273 * XXX 3274 * Until we have a better way of doing pack validation, 3275 * don't treat UAs as errors. 3276 */ 3277 sense_flags |= SF_RETRY_UA; 3278 return (cam_periph_error(ccb, cam_flags, sense_flags, 3279 &softc->saved_ccb)); 3280 } 3281 3282 /* 3283 * Read table of contents 3284 */ 3285 static int 3286 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3287 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3288 { 3289 struct scsi_read_toc *scsi_cmd; 3290 u_int32_t ntoc; 3291 struct ccb_scsiio *csio; 3292 union ccb *ccb; 3293 int error; 3294 3295 ntoc = len; 3296 error = 0; 3297 3298 ccb = cdgetccb(periph, /* priority */ 1); 3299 3300 csio = &ccb->csio; 3301 3302 cam_fill_csio(csio, 3303 /* retries */ 1, 3304 /* cbfcnp */ cddone, 3305 /* flags */ CAM_DIR_IN, 3306 /* tag_action */ MSG_SIMPLE_Q_TAG, 3307 /* data_ptr */ data, 3308 /* dxfer_len */ len, 3309 /* sense_len */ SSD_FULL_SIZE, 3310 sizeof(struct scsi_read_toc), 3311 /* timeout */ 50000); 3312 3313 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3314 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3315 3316 if (mode == CD_MSF_FORMAT) 3317 scsi_cmd->byte2 |= CD_MSF; 3318 scsi_cmd->from_track = start; 3319 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3320 scsi_cmd->data_len[0] = (ntoc) >> 8; 3321 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3322 3323 scsi_cmd->op_code = READ_TOC; 3324 3325 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3326 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3327 sense_flags); 3328 3329 xpt_release_ccb(ccb); 3330 3331 return(error); 3332 } 3333 3334 static int 3335 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3336 u_int32_t format, int track, 3337 struct cd_sub_channel_info *data, u_int32_t len) 3338 { 3339 struct scsi_read_subchannel *scsi_cmd; 3340 struct ccb_scsiio *csio; 3341 union ccb *ccb; 3342 int error; 3343 3344 error = 0; 3345 3346 ccb = cdgetccb(periph, /* priority */ 1); 3347 3348 csio = &ccb->csio; 3349 3350 cam_fill_csio(csio, 3351 /* retries */ 1, 3352 /* cbfcnp */ cddone, 3353 /* flags */ CAM_DIR_IN, 3354 /* tag_action */ MSG_SIMPLE_Q_TAG, 3355 /* data_ptr */ (u_int8_t *)data, 3356 /* dxfer_len */ len, 3357 /* sense_len */ SSD_FULL_SIZE, 3358 sizeof(struct scsi_read_subchannel), 3359 /* timeout */ 50000); 3360 3361 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3362 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3363 3364 scsi_cmd->op_code = READ_SUBCHANNEL; 3365 if (mode == CD_MSF_FORMAT) 3366 scsi_cmd->byte1 |= CD_MSF; 3367 scsi_cmd->byte2 = SRS_SUBQ; 3368 scsi_cmd->subchan_format = format; 3369 scsi_cmd->track = track; 3370 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3371 scsi_cmd->control = 0; 3372 3373 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3374 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3375 3376 xpt_release_ccb(ccb); 3377 3378 return(error); 3379 } 3380 3381 /* 3382 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3383 * routine. See comments in cd6byteworkaround() for details. 3384 */ 3385 static int 3386 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3387 u_int32_t page) 3388 { 3389 struct ccb_scsiio *csio; 3390 struct cd_softc *softc; 3391 union ccb *ccb; 3392 int param_len; 3393 int error; 3394 3395 softc = (struct cd_softc *)periph->softc; 3396 3397 ccb = cdgetccb(periph, /* priority */ 1); 3398 3399 csio = &ccb->csio; 3400 3401 data->cdb_size = softc->minimum_command_size; 3402 if (data->cdb_size < 10) 3403 param_len = sizeof(struct cd_mode_data); 3404 else 3405 param_len = sizeof(struct cd_mode_data_10); 3406 3407 /* Don't say we've got more room than we actually allocated */ 3408 param_len = min(param_len, data->alloc_len); 3409 3410 scsi_mode_sense_len(csio, 3411 /* retries */ 1, 3412 /* cbfcnp */ cddone, 3413 /* tag_action */ MSG_SIMPLE_Q_TAG, 3414 /* dbd */ 0, 3415 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3416 /* page */ page, 3417 /* param_buf */ data->mode_buf, 3418 /* param_len */ param_len, 3419 /* minimum_cmd_size */ softc->minimum_command_size, 3420 /* sense_len */ SSD_FULL_SIZE, 3421 /* timeout */ 50000); 3422 3423 /* 3424 * It would be nice not to have to do this, but there's no 3425 * available pointer in the CCB that would allow us to stuff the 3426 * mode params structure in there and retrieve it in 3427 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3428 * lets the caller know what CDB size we ended up using, so they 3429 * can find the actual mode page offset. 3430 */ 3431 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3432 3433 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3434 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3435 3436 xpt_release_ccb(ccb); 3437 3438 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3439 3440 /* 3441 * This is a bit of belt-and-suspenders checking, but if we run 3442 * into a situation where the target sends back multiple block 3443 * descriptors, we might not have enough space in the buffer to 3444 * see the whole mode page. Better to return an error than 3445 * potentially access memory beyond our malloced region. 3446 */ 3447 if (error == 0) { 3448 u_int32_t data_len; 3449 3450 if (data->cdb_size == 10) { 3451 struct scsi_mode_header_10 *hdr10; 3452 3453 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3454 data_len = scsi_2btoul(hdr10->data_length); 3455 data_len += sizeof(hdr10->data_length); 3456 } else { 3457 struct scsi_mode_header_6 *hdr6; 3458 3459 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3460 data_len = hdr6->data_length; 3461 data_len += sizeof(hdr6->data_length); 3462 } 3463 3464 /* 3465 * Complain if there is more mode data available than we 3466 * allocated space for. This could potentially happen if 3467 * we miscalculated the page length for some reason, if the 3468 * drive returns multiple block descriptors, or if it sets 3469 * the data length incorrectly. 3470 */ 3471 if (data_len > data->alloc_len) { 3472 xpt_print_path(periph->path); 3473 printf("allocated modepage %d length %d < returned " 3474 "length %d\n", page, data->alloc_len, data_len); 3475 3476 error = ENOSPC; 3477 } 3478 } 3479 return (error); 3480 } 3481 3482 /* 3483 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3484 * routine. See comments in cd6byteworkaround() for details. 3485 */ 3486 static int 3487 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3488 { 3489 struct ccb_scsiio *csio; 3490 struct cd_softc *softc; 3491 union ccb *ccb; 3492 int cdb_size, param_len; 3493 int error; 3494 3495 softc = (struct cd_softc *)periph->softc; 3496 3497 ccb = cdgetccb(periph, /* priority */ 1); 3498 3499 csio = &ccb->csio; 3500 3501 error = 0; 3502 3503 /* 3504 * If the data is formatted for the 10 byte version of the mode 3505 * select parameter list, we need to use the 10 byte CDB. 3506 * Otherwise, we use whatever the stored minimum command size. 3507 */ 3508 if (data->cdb_size == 10) 3509 cdb_size = data->cdb_size; 3510 else 3511 cdb_size = softc->minimum_command_size; 3512 3513 if (cdb_size >= 10) { 3514 struct scsi_mode_header_10 *mode_header; 3515 u_int32_t data_len; 3516 3517 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3518 3519 data_len = scsi_2btoul(mode_header->data_length); 3520 3521 scsi_ulto2b(0, mode_header->data_length); 3522 /* 3523 * SONY drives do not allow a mode select with a medium_type 3524 * value that has just been returned by a mode sense; use a 3525 * medium_type of 0 (Default) instead. 3526 */ 3527 mode_header->medium_type = 0; 3528 3529 /* 3530 * Pass back whatever the drive passed to us, plus the size 3531 * of the data length field. 3532 */ 3533 param_len = data_len + sizeof(mode_header->data_length); 3534 3535 } else { 3536 struct scsi_mode_header_6 *mode_header; 3537 3538 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3539 3540 param_len = mode_header->data_length + 1; 3541 3542 mode_header->data_length = 0; 3543 /* 3544 * SONY drives do not allow a mode select with a medium_type 3545 * value that has just been returned by a mode sense; use a 3546 * medium_type of 0 (Default) instead. 3547 */ 3548 mode_header->medium_type = 0; 3549 } 3550 3551 /* Don't say we've got more room than we actually allocated */ 3552 param_len = min(param_len, data->alloc_len); 3553 3554 scsi_mode_select_len(csio, 3555 /* retries */ 1, 3556 /* cbfcnp */ cddone, 3557 /* tag_action */ MSG_SIMPLE_Q_TAG, 3558 /* scsi_page_fmt */ 1, 3559 /* save_pages */ 0, 3560 /* param_buf */ data->mode_buf, 3561 /* param_len */ param_len, 3562 /* minimum_cmd_size */ cdb_size, 3563 /* sense_len */ SSD_FULL_SIZE, 3564 /* timeout */ 50000); 3565 3566 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3567 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3568 3569 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3570 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3571 3572 xpt_release_ccb(ccb); 3573 3574 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3575 3576 return (error); 3577 } 3578 3579 3580 3581 static int 3582 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3583 { 3584 struct ccb_scsiio *csio; 3585 union ccb *ccb; 3586 int error; 3587 u_int8_t cdb_len; 3588 3589 error = 0; 3590 ccb = cdgetccb(periph, /* priority */ 1); 3591 csio = &ccb->csio; 3592 /* 3593 * Use the smallest possible command to perform the operation. 3594 */ 3595 if ((len & 0xffff0000) == 0) { 3596 /* 3597 * We can fit in a 10 byte cdb. 3598 */ 3599 struct scsi_play_10 *scsi_cmd; 3600 3601 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3602 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3603 scsi_cmd->op_code = PLAY_10; 3604 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3605 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3606 cdb_len = sizeof(*scsi_cmd); 3607 } else { 3608 struct scsi_play_12 *scsi_cmd; 3609 3610 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3611 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3612 scsi_cmd->op_code = PLAY_12; 3613 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3614 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3615 cdb_len = sizeof(*scsi_cmd); 3616 } 3617 cam_fill_csio(csio, 3618 /*retries*/2, 3619 cddone, 3620 /*flags*/CAM_DIR_NONE, 3621 MSG_SIMPLE_Q_TAG, 3622 /*dataptr*/NULL, 3623 /*datalen*/0, 3624 /*sense_len*/SSD_FULL_SIZE, 3625 cdb_len, 3626 /*timeout*/50 * 1000); 3627 3628 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3629 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3630 3631 xpt_release_ccb(ccb); 3632 3633 return(error); 3634 } 3635 3636 static int 3637 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3638 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3639 { 3640 struct scsi_play_msf *scsi_cmd; 3641 struct ccb_scsiio *csio; 3642 union ccb *ccb; 3643 int error; 3644 3645 error = 0; 3646 3647 ccb = cdgetccb(periph, /* priority */ 1); 3648 3649 csio = &ccb->csio; 3650 3651 cam_fill_csio(csio, 3652 /* retries */ 1, 3653 /* cbfcnp */ cddone, 3654 /* flags */ CAM_DIR_NONE, 3655 /* tag_action */ MSG_SIMPLE_Q_TAG, 3656 /* data_ptr */ NULL, 3657 /* dxfer_len */ 0, 3658 /* sense_len */ SSD_FULL_SIZE, 3659 sizeof(struct scsi_play_msf), 3660 /* timeout */ 50000); 3661 3662 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3663 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3664 3665 scsi_cmd->op_code = PLAY_MSF; 3666 scsi_cmd->start_m = startm; 3667 scsi_cmd->start_s = starts; 3668 scsi_cmd->start_f = startf; 3669 scsi_cmd->end_m = endm; 3670 scsi_cmd->end_s = ends; 3671 scsi_cmd->end_f = endf; 3672 3673 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3674 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3675 3676 xpt_release_ccb(ccb); 3677 3678 return(error); 3679 } 3680 3681 3682 static int 3683 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3684 u_int32_t etrack, u_int32_t eindex) 3685 { 3686 struct scsi_play_track *scsi_cmd; 3687 struct ccb_scsiio *csio; 3688 union ccb *ccb; 3689 int error; 3690 3691 error = 0; 3692 3693 ccb = cdgetccb(periph, /* priority */ 1); 3694 3695 csio = &ccb->csio; 3696 3697 cam_fill_csio(csio, 3698 /* retries */ 1, 3699 /* cbfcnp */ cddone, 3700 /* flags */ CAM_DIR_NONE, 3701 /* tag_action */ MSG_SIMPLE_Q_TAG, 3702 /* data_ptr */ NULL, 3703 /* dxfer_len */ 0, 3704 /* sense_len */ SSD_FULL_SIZE, 3705 sizeof(struct scsi_play_track), 3706 /* timeout */ 50000); 3707 3708 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3709 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3710 3711 scsi_cmd->op_code = PLAY_TRACK; 3712 scsi_cmd->start_track = strack; 3713 scsi_cmd->start_index = sindex; 3714 scsi_cmd->end_track = etrack; 3715 scsi_cmd->end_index = eindex; 3716 3717 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3718 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3719 3720 xpt_release_ccb(ccb); 3721 3722 return(error); 3723 } 3724 3725 static int 3726 cdpause(struct cam_periph *periph, u_int32_t go) 3727 { 3728 struct scsi_pause *scsi_cmd; 3729 struct ccb_scsiio *csio; 3730 union ccb *ccb; 3731 int error; 3732 3733 error = 0; 3734 3735 ccb = cdgetccb(periph, /* priority */ 1); 3736 3737 csio = &ccb->csio; 3738 3739 cam_fill_csio(csio, 3740 /* retries */ 1, 3741 /* cbfcnp */ cddone, 3742 /* flags */ CAM_DIR_NONE, 3743 /* tag_action */ MSG_SIMPLE_Q_TAG, 3744 /* data_ptr */ NULL, 3745 /* dxfer_len */ 0, 3746 /* sense_len */ SSD_FULL_SIZE, 3747 sizeof(struct scsi_pause), 3748 /* timeout */ 50000); 3749 3750 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3751 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3752 3753 scsi_cmd->op_code = PAUSE; 3754 scsi_cmd->resume = go; 3755 3756 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3757 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3758 3759 xpt_release_ccb(ccb); 3760 3761 return(error); 3762 } 3763 3764 static int 3765 cdstartunit(struct cam_periph *periph, int load) 3766 { 3767 union ccb *ccb; 3768 int error; 3769 3770 error = 0; 3771 3772 ccb = cdgetccb(periph, /* priority */ 1); 3773 3774 scsi_start_stop(&ccb->csio, 3775 /* retries */ 1, 3776 /* cbfcnp */ cddone, 3777 /* tag_action */ MSG_SIMPLE_Q_TAG, 3778 /* start */ TRUE, 3779 /* load_eject */ load, 3780 /* immediate */ FALSE, 3781 /* sense_len */ SSD_FULL_SIZE, 3782 /* timeout */ 50000); 3783 3784 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3785 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3786 3787 xpt_release_ccb(ccb); 3788 3789 return(error); 3790 } 3791 3792 static int 3793 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3794 { 3795 union ccb *ccb; 3796 int error; 3797 3798 error = 0; 3799 3800 ccb = cdgetccb(periph, /* priority */ 1); 3801 3802 scsi_start_stop(&ccb->csio, 3803 /* retries */ 1, 3804 /* cbfcnp */ cddone, 3805 /* tag_action */ MSG_SIMPLE_Q_TAG, 3806 /* start */ FALSE, 3807 /* load_eject */ eject, 3808 /* immediate */ FALSE, 3809 /* sense_len */ SSD_FULL_SIZE, 3810 /* timeout */ 50000); 3811 3812 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3813 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3814 3815 xpt_release_ccb(ccb); 3816 3817 return(error); 3818 } 3819 3820 static int 3821 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3822 { 3823 struct scsi_set_speed *scsi_cmd; 3824 struct ccb_scsiio *csio; 3825 union ccb *ccb; 3826 int error; 3827 3828 error = 0; 3829 ccb = cdgetccb(periph, /* priority */ 1); 3830 csio = &ccb->csio; 3831 3832 /* Preserve old behavior: units in multiples of CDROM speed */ 3833 if (rdspeed < 177) 3834 rdspeed *= 177; 3835 if (wrspeed < 177) 3836 wrspeed *= 177; 3837 3838 cam_fill_csio(csio, 3839 /* retries */ 1, 3840 /* cbfcnp */ cddone, 3841 /* flags */ CAM_DIR_NONE, 3842 /* tag_action */ MSG_SIMPLE_Q_TAG, 3843 /* data_ptr */ NULL, 3844 /* dxfer_len */ 0, 3845 /* sense_len */ SSD_FULL_SIZE, 3846 sizeof(struct scsi_set_speed), 3847 /* timeout */ 50000); 3848 3849 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3850 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3851 3852 scsi_cmd->opcode = SET_CD_SPEED; 3853 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3854 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3855 3856 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3857 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3858 3859 xpt_release_ccb(ccb); 3860 3861 return(error); 3862 } 3863 3864 static int 3865 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3866 { 3867 union ccb *ccb; 3868 u_int8_t *databuf; 3869 u_int32_t lba; 3870 int error; 3871 int length; 3872 3873 error = 0; 3874 databuf = NULL; 3875 lba = 0; 3876 3877 ccb = cdgetccb(periph, /* priority */ 1); 3878 3879 switch (authinfo->format) { 3880 case DVD_REPORT_AGID: 3881 length = sizeof(struct scsi_report_key_data_agid); 3882 break; 3883 case DVD_REPORT_CHALLENGE: 3884 length = sizeof(struct scsi_report_key_data_challenge); 3885 break; 3886 case DVD_REPORT_KEY1: 3887 length = sizeof(struct scsi_report_key_data_key1_key2); 3888 break; 3889 case DVD_REPORT_TITLE_KEY: 3890 length = sizeof(struct scsi_report_key_data_title); 3891 /* The lba field is only set for the title key */ 3892 lba = authinfo->lba; 3893 break; 3894 case DVD_REPORT_ASF: 3895 length = sizeof(struct scsi_report_key_data_asf); 3896 break; 3897 case DVD_REPORT_RPC: 3898 length = sizeof(struct scsi_report_key_data_rpc); 3899 break; 3900 case DVD_INVALIDATE_AGID: 3901 length = 0; 3902 break; 3903 default: 3904 error = EINVAL; 3905 goto bailout; 3906 break; /* NOTREACHED */ 3907 } 3908 3909 if (length != 0) { 3910 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3911 } else { 3912 databuf = NULL; 3913 } 3914 3915 3916 scsi_report_key(&ccb->csio, 3917 /* retries */ 1, 3918 /* cbfcnp */ cddone, 3919 /* tag_action */ MSG_SIMPLE_Q_TAG, 3920 /* lba */ lba, 3921 /* agid */ authinfo->agid, 3922 /* key_format */ authinfo->format, 3923 /* data_ptr */ databuf, 3924 /* dxfer_len */ length, 3925 /* sense_len */ SSD_FULL_SIZE, 3926 /* timeout */ 50000); 3927 3928 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3929 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3930 3931 if (error != 0) 3932 goto bailout; 3933 3934 if (ccb->csio.resid != 0) { 3935 xpt_print_path(periph->path); 3936 printf("warning, residual for report key command is %d\n", 3937 ccb->csio.resid); 3938 } 3939 3940 switch(authinfo->format) { 3941 case DVD_REPORT_AGID: { 3942 struct scsi_report_key_data_agid *agid_data; 3943 3944 agid_data = (struct scsi_report_key_data_agid *)databuf; 3945 3946 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3947 RKD_AGID_SHIFT; 3948 break; 3949 } 3950 case DVD_REPORT_CHALLENGE: { 3951 struct scsi_report_key_data_challenge *chal_data; 3952 3953 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3954 3955 bcopy(chal_data->challenge_key, authinfo->keychal, 3956 min(sizeof(chal_data->challenge_key), 3957 sizeof(authinfo->keychal))); 3958 break; 3959 } 3960 case DVD_REPORT_KEY1: { 3961 struct scsi_report_key_data_key1_key2 *key1_data; 3962 3963 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3964 3965 bcopy(key1_data->key1, authinfo->keychal, 3966 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3967 break; 3968 } 3969 case DVD_REPORT_TITLE_KEY: { 3970 struct scsi_report_key_data_title *title_data; 3971 3972 title_data = (struct scsi_report_key_data_title *)databuf; 3973 3974 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3975 RKD_TITLE_CPM_SHIFT; 3976 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3977 RKD_TITLE_CP_SEC_SHIFT; 3978 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3979 RKD_TITLE_CMGS_SHIFT; 3980 bcopy(title_data->title_key, authinfo->keychal, 3981 min(sizeof(title_data->title_key), 3982 sizeof(authinfo->keychal))); 3983 break; 3984 } 3985 case DVD_REPORT_ASF: { 3986 struct scsi_report_key_data_asf *asf_data; 3987 3988 asf_data = (struct scsi_report_key_data_asf *)databuf; 3989 3990 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3991 break; 3992 } 3993 case DVD_REPORT_RPC: { 3994 struct scsi_report_key_data_rpc *rpc_data; 3995 3996 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3997 3998 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3999 RKD_RPC_TYPE_SHIFT; 4000 authinfo->vend_rsts = 4001 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 4002 RKD_RPC_VENDOR_RESET_SHIFT; 4003 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4004 authinfo->region = rpc_data->region_mask; 4005 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4006 break; 4007 } 4008 case DVD_INVALIDATE_AGID: 4009 break; 4010 default: 4011 /* This should be impossible, since we checked above */ 4012 error = EINVAL; 4013 goto bailout; 4014 break; /* NOTREACHED */ 4015 } 4016 bailout: 4017 if (databuf != NULL) 4018 free(databuf, M_DEVBUF); 4019 4020 xpt_release_ccb(ccb); 4021 4022 return(error); 4023 } 4024 4025 static int 4026 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4027 { 4028 union ccb *ccb; 4029 u_int8_t *databuf; 4030 int length; 4031 int error; 4032 4033 error = 0; 4034 databuf = NULL; 4035 4036 ccb = cdgetccb(periph, /* priority */ 1); 4037 4038 switch(authinfo->format) { 4039 case DVD_SEND_CHALLENGE: { 4040 struct scsi_report_key_data_challenge *challenge_data; 4041 4042 length = sizeof(*challenge_data); 4043 4044 challenge_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4045 4046 databuf = (u_int8_t *)challenge_data; 4047 4048 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4049 challenge_data->data_len); 4050 4051 bcopy(authinfo->keychal, challenge_data->challenge_key, 4052 min(sizeof(authinfo->keychal), 4053 sizeof(challenge_data->challenge_key))); 4054 break; 4055 } 4056 case DVD_SEND_KEY2: { 4057 struct scsi_report_key_data_key1_key2 *key2_data; 4058 4059 length = sizeof(*key2_data); 4060 4061 key2_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4062 4063 databuf = (u_int8_t *)key2_data; 4064 4065 scsi_ulto2b(length - sizeof(key2_data->data_len), 4066 key2_data->data_len); 4067 4068 bcopy(authinfo->keychal, key2_data->key1, 4069 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4070 4071 break; 4072 } 4073 case DVD_SEND_RPC: { 4074 struct scsi_send_key_data_rpc *rpc_data; 4075 4076 length = sizeof(*rpc_data); 4077 4078 rpc_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4079 4080 databuf = (u_int8_t *)rpc_data; 4081 4082 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4083 rpc_data->data_len); 4084 4085 rpc_data->region_code = authinfo->region; 4086 break; 4087 } 4088 default: 4089 error = EINVAL; 4090 goto bailout; 4091 break; /* NOTREACHED */ 4092 } 4093 4094 scsi_send_key(&ccb->csio, 4095 /* retries */ 1, 4096 /* cbfcnp */ cddone, 4097 /* tag_action */ MSG_SIMPLE_Q_TAG, 4098 /* agid */ authinfo->agid, 4099 /* key_format */ authinfo->format, 4100 /* data_ptr */ databuf, 4101 /* dxfer_len */ length, 4102 /* sense_len */ SSD_FULL_SIZE, 4103 /* timeout */ 50000); 4104 4105 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4106 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4107 4108 bailout: 4109 4110 if (databuf != NULL) 4111 free(databuf, M_DEVBUF); 4112 4113 xpt_release_ccb(ccb); 4114 4115 return(error); 4116 } 4117 4118 static int 4119 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4120 { 4121 union ccb *ccb; 4122 u_int8_t *databuf; 4123 u_int32_t address; 4124 int error; 4125 int length; 4126 4127 error = 0; 4128 databuf = NULL; 4129 /* The address is reserved for many of the formats */ 4130 address = 0; 4131 4132 ccb = cdgetccb(periph, /* priority */ 1); 4133 4134 switch(dvdstruct->format) { 4135 case DVD_STRUCT_PHYSICAL: 4136 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4137 break; 4138 case DVD_STRUCT_COPYRIGHT: 4139 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4140 break; 4141 case DVD_STRUCT_DISCKEY: 4142 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4143 break; 4144 case DVD_STRUCT_BCA: 4145 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4146 break; 4147 case DVD_STRUCT_MANUFACT: 4148 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4149 break; 4150 case DVD_STRUCT_CMI: 4151 error = ENODEV; 4152 goto bailout; 4153 #ifdef notyet 4154 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4155 address = dvdstruct->address; 4156 #endif 4157 break; /* NOTREACHED */ 4158 case DVD_STRUCT_PROTDISCID: 4159 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4160 break; 4161 case DVD_STRUCT_DISCKEYBLOCK: 4162 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4163 break; 4164 case DVD_STRUCT_DDS: 4165 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4166 break; 4167 case DVD_STRUCT_MEDIUM_STAT: 4168 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4169 break; 4170 case DVD_STRUCT_SPARE_AREA: 4171 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4172 break; 4173 case DVD_STRUCT_RMD_LAST: 4174 error = ENODEV; 4175 goto bailout; 4176 #ifdef notyet 4177 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4178 address = dvdstruct->address; 4179 #endif 4180 break; /* NOTREACHED */ 4181 case DVD_STRUCT_RMD_RMA: 4182 error = ENODEV; 4183 goto bailout; 4184 #ifdef notyet 4185 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4186 address = dvdstruct->address; 4187 #endif 4188 break; /* NOTREACHED */ 4189 case DVD_STRUCT_PRERECORDED: 4190 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4191 break; 4192 case DVD_STRUCT_UNIQUEID: 4193 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4194 break; 4195 case DVD_STRUCT_DCB: 4196 error = ENODEV; 4197 goto bailout; 4198 #ifdef notyet 4199 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4200 address = dvdstruct->address; 4201 #endif 4202 break; /* NOTREACHED */ 4203 case DVD_STRUCT_LIST: 4204 /* 4205 * This is the maximum allocation length for the READ DVD 4206 * STRUCTURE command. There's nothing in the MMC3 spec 4207 * that indicates a limit in the amount of data that can 4208 * be returned from this call, other than the limits 4209 * imposed by the 2-byte length variables. 4210 */ 4211 length = 65535; 4212 break; 4213 default: 4214 error = EINVAL; 4215 goto bailout; 4216 break; /* NOTREACHED */ 4217 } 4218 4219 if (length != 0) { 4220 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4221 } else { 4222 databuf = NULL; 4223 } 4224 4225 scsi_read_dvd_structure(&ccb->csio, 4226 /* retries */ 1, 4227 /* cbfcnp */ cddone, 4228 /* tag_action */ MSG_SIMPLE_Q_TAG, 4229 /* lba */ address, 4230 /* layer_number */ dvdstruct->layer_num, 4231 /* key_format */ dvdstruct->format, 4232 /* agid */ dvdstruct->agid, 4233 /* data_ptr */ databuf, 4234 /* dxfer_len */ length, 4235 /* sense_len */ SSD_FULL_SIZE, 4236 /* timeout */ 50000); 4237 4238 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4239 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4240 4241 if (error != 0) 4242 goto bailout; 4243 4244 switch(dvdstruct->format) { 4245 case DVD_STRUCT_PHYSICAL: { 4246 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4247 struct dvd_layer *outlayer; 4248 struct scsi_read_dvd_struct_data_physical *phys_data; 4249 4250 phys_data = 4251 (struct scsi_read_dvd_struct_data_physical *)databuf; 4252 inlayer = &phys_data->layer_desc; 4253 outlayer = (struct dvd_layer *)&dvdstruct->data; 4254 4255 dvdstruct->length = sizeof(*inlayer); 4256 4257 outlayer->book_type = (inlayer->book_type_version & 4258 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4259 outlayer->book_version = (inlayer->book_type_version & 4260 RDSD_BOOK_VERSION_MASK); 4261 outlayer->disc_size = (inlayer->disc_size_max_rate & 4262 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4263 outlayer->max_rate = (inlayer->disc_size_max_rate & 4264 RDSD_MAX_RATE_MASK); 4265 outlayer->nlayers = (inlayer->layer_info & 4266 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4267 outlayer->track_path = (inlayer->layer_info & 4268 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4269 outlayer->layer_type = (inlayer->layer_info & 4270 RDSD_LAYER_TYPE_MASK); 4271 outlayer->linear_density = (inlayer->density & 4272 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4273 outlayer->track_density = (inlayer->density & 4274 RDSD_TRACK_DENSITY_MASK); 4275 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4276 RDSD_BCA_SHIFT; 4277 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4278 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4279 outlayer->end_sector_l0 = 4280 scsi_3btoul(inlayer->end_sector_layer0); 4281 break; 4282 } 4283 case DVD_STRUCT_COPYRIGHT: { 4284 struct scsi_read_dvd_struct_data_copyright *copy_data; 4285 4286 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4287 databuf; 4288 4289 dvdstruct->cpst = copy_data->cps_type; 4290 dvdstruct->rmi = copy_data->region_info; 4291 dvdstruct->length = 0; 4292 4293 break; 4294 } 4295 default: 4296 /* 4297 * Tell the user what the overall length is, no matter 4298 * what we can actually fit in the data buffer. 4299 */ 4300 dvdstruct->length = length - ccb->csio.resid - 4301 sizeof(struct scsi_read_dvd_struct_data_header); 4302 4303 /* 4304 * But only actually copy out the smaller of what we read 4305 * in or what the structure can take. 4306 */ 4307 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4308 dvdstruct->data, 4309 min(sizeof(dvdstruct->data), dvdstruct->length)); 4310 break; 4311 } 4312 bailout: 4313 4314 if (databuf != NULL) 4315 free(databuf, M_DEVBUF); 4316 4317 xpt_release_ccb(ccb); 4318 4319 return(error); 4320 } 4321 4322 void 4323 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4324 void (*cbfcnp)(struct cam_periph *, union ccb *), 4325 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4326 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4327 u_int8_t sense_len, u_int32_t timeout) 4328 { 4329 struct scsi_report_key *scsi_cmd; 4330 4331 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4332 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4333 scsi_cmd->opcode = REPORT_KEY; 4334 scsi_ulto4b(lba, scsi_cmd->lba); 4335 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4336 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4337 (key_format & RK_KF_KEYFORMAT_MASK); 4338 4339 cam_fill_csio(csio, 4340 retries, 4341 cbfcnp, 4342 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4343 tag_action, 4344 /*data_ptr*/ data_ptr, 4345 /*dxfer_len*/ dxfer_len, 4346 sense_len, 4347 sizeof(*scsi_cmd), 4348 timeout); 4349 } 4350 4351 void 4352 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4353 void (*cbfcnp)(struct cam_periph *, union ccb *), 4354 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4355 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4356 u_int32_t timeout) 4357 { 4358 struct scsi_send_key *scsi_cmd; 4359 4360 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4361 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4362 scsi_cmd->opcode = SEND_KEY; 4363 4364 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4365 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4366 (key_format & RK_KF_KEYFORMAT_MASK); 4367 4368 cam_fill_csio(csio, 4369 retries, 4370 cbfcnp, 4371 /*flags*/ CAM_DIR_OUT, 4372 tag_action, 4373 /*data_ptr*/ data_ptr, 4374 /*dxfer_len*/ dxfer_len, 4375 sense_len, 4376 sizeof(*scsi_cmd), 4377 timeout); 4378 } 4379 4380 4381 void 4382 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4383 void (*cbfcnp)(struct cam_periph *, union ccb *), 4384 u_int8_t tag_action, u_int32_t address, 4385 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4386 u_int8_t *data_ptr, u_int32_t dxfer_len, 4387 u_int8_t sense_len, u_int32_t timeout) 4388 { 4389 struct scsi_read_dvd_structure *scsi_cmd; 4390 4391 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4392 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4393 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4394 4395 scsi_ulto4b(address, scsi_cmd->address); 4396 scsi_cmd->layer_number = layer_number; 4397 scsi_cmd->format = format; 4398 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4399 /* The AGID is the top two bits of this byte */ 4400 scsi_cmd->agid = agid << 6; 4401 4402 cam_fill_csio(csio, 4403 retries, 4404 cbfcnp, 4405 /*flags*/ CAM_DIR_IN, 4406 tag_action, 4407 /*data_ptr*/ data_ptr, 4408 /*dxfer_len*/ dxfer_len, 4409 sense_len, 4410 sizeof(*scsi_cmd), 4411 timeout); 4412 } 4413