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 1.17 2004/09/18 19:40:24 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 69 #include "../cam.h" 70 #include "../cam_ccb.h" 71 #include "../cam_extend.h" 72 #include "../cam_periph.h" 73 #include "../cam_xpt_periph.h" 74 #include "../cam_queue.h" 75 76 #include "scsi_message.h" 77 #include "scsi_da.h" 78 #include "scsi_cd.h" 79 80 #define LEADOUT 0xaa /* leadout toc entry */ 81 82 struct cd_params { 83 u_int32_t blksize; 84 u_long disksize; 85 }; 86 87 typedef enum { 88 CD_Q_NONE = 0x00, 89 CD_Q_NO_TOUCH = 0x01, 90 CD_Q_BCD_TRACKS = 0x02, 91 CD_Q_NO_CHANGER = 0x04, 92 CD_Q_CHANGER = 0x08, 93 CD_Q_10_BYTE_ONLY = 0x10 94 } cd_quirks; 95 96 typedef enum { 97 CD_FLAG_INVALID = 0x0001, 98 CD_FLAG_NEW_DISC = 0x0002, 99 CD_FLAG_DISC_LOCKED = 0x0004, 100 CD_FLAG_DISC_REMOVABLE = 0x0008, 101 CD_FLAG_TAGGED_QUEUING = 0x0010, 102 CD_FLAG_CHANGER = 0x0040, 103 CD_FLAG_ACTIVE = 0x0080, 104 CD_FLAG_SCHED_ON_COMP = 0x0100, 105 CD_FLAG_RETRY_UA = 0x0200, 106 CD_FLAG_VALID_MEDIA = 0x0400, 107 CD_FLAG_VALID_TOC = 0x0800, 108 CD_FLAG_OPEN = 0x1000, 109 CD_FLAG_SCTX_INIT = 0x2000 110 } cd_flags; 111 112 typedef enum { 113 CD_CCB_PROBE = 0x01, 114 CD_CCB_BUFFER_IO = 0x02, 115 CD_CCB_WAITING = 0x03, 116 CD_CCB_TYPE_MASK = 0x0F, 117 CD_CCB_RETRY_UA = 0x10 118 } cd_ccb_state; 119 120 typedef enum { 121 CHANGER_TIMEOUT_SCHED = 0x01, 122 CHANGER_SHORT_TMOUT_SCHED = 0x02, 123 CHANGER_MANUAL_CALL = 0x04, 124 CHANGER_NEED_TIMEOUT = 0x08 125 } cd_changer_flags; 126 127 #define ccb_state ppriv_field0 128 #define ccb_bp ppriv_ptr1 129 130 struct cd_tocdata { 131 struct ioc_toc_header header; 132 struct cd_toc_entry entries[100]; 133 }; 134 135 struct cd_toc_single { 136 struct ioc_toc_header header; 137 struct cd_toc_entry entry; 138 }; 139 140 typedef enum { 141 CD_STATE_PROBE, 142 CD_STATE_NORMAL 143 } cd_state; 144 145 struct cd_softc { 146 cam_pinfo pinfo; 147 cd_state state; 148 volatile cd_flags flags; 149 struct buf_queue_head buf_queue; 150 LIST_HEAD(, ccb_hdr) pending_ccbs; 151 struct cd_params params; 152 struct disk disk; 153 union ccb saved_ccb; 154 cd_quirks quirks; 155 struct devstat device_stats; 156 STAILQ_ENTRY(cd_softc) changer_links; 157 struct cdchanger *changer; 158 int bufs_left; 159 struct cam_periph *periph; 160 int minimum_command_size; 161 struct task sysctl_task; 162 struct sysctl_ctx_list sysctl_ctx; 163 struct sysctl_oid *sysctl_tree; 164 STAILQ_HEAD(, cd_mode_params) mode_queue; 165 struct cd_tocdata toc; 166 }; 167 168 struct cd_page_sizes { 169 int page; 170 int page_size; 171 }; 172 173 static struct cd_page_sizes cd_page_size_table[] = 174 { 175 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 176 }; 177 178 struct cd_quirk_entry { 179 struct scsi_inquiry_pattern inq_pat; 180 cd_quirks quirks; 181 }; 182 183 /* 184 * The changer quirk entries aren't strictly necessary. Basically, what 185 * they do is tell cdregister() up front that a device is a changer. 186 * Otherwise, it will figure that fact out once it sees a LUN on the device 187 * that is greater than 0. If it is known up front that a device is a changer, 188 * all I/O to the device will go through the changer scheduling routines, as 189 * opposed to the "normal" CD code. 190 * 191 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 192 * your device hangs when it gets a 10 byte command. Adding a quirk just 193 * to get rid of the informative diagnostic message is not acceptable. All 194 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 195 * referenced in a comment along with the quirk) , and must be approved by 196 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 197 * be removed until the submitter can explain why they are needed. 198 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 199 * when the CAM_NEW_TRAN_CODE work is done. 200 */ 201 static struct cd_quirk_entry cd_quirk_table[] = 202 { 203 { 204 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 205 /*quirks*/ CD_Q_CHANGER 206 }, 207 { 208 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 209 "*"}, /* quirks */ CD_Q_CHANGER 210 }, 211 { 212 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 213 /* quirks */ CD_Q_CHANGER 214 }, 215 { 216 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 217 /* quirks */ CD_Q_BCD_TRACKS 218 } 219 }; 220 221 static d_open_t cdopen; 222 static d_close_t cdclose; 223 static d_ioctl_t cdioctl; 224 static d_strategy_t cdstrategy; 225 226 static periph_init_t cdinit; 227 static periph_ctor_t cdregister; 228 static periph_dtor_t cdcleanup; 229 static periph_start_t cdstart; 230 static periph_oninv_t cdoninvalidate; 231 static void cdasync(void *callback_arg, u_int32_t code, 232 struct cam_path *path, void *arg); 233 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 234 static void cdshorttimeout(void *arg); 235 static void cdschedule(struct cam_periph *periph, int priority); 236 static void cdrunchangerqueue(void *arg); 237 static void cdchangerschedule(struct cd_softc *softc); 238 static int cdrunccb(union ccb *ccb, 239 int (*error_routine)(union ccb *ccb, 240 u_int32_t cam_flags, 241 u_int32_t sense_flags), 242 u_int32_t cam_flags, u_int32_t sense_flags); 243 static union ccb *cdgetccb(struct cam_periph *periph, 244 u_int32_t priority); 245 static void cddone(struct cam_periph *periph, 246 union ccb *start_ccb); 247 static int cderror(union ccb *ccb, u_int32_t cam_flags, 248 u_int32_t sense_flags); 249 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 250 static int cdgetpagesize(int page_num); 251 static void cdprevent(struct cam_periph *periph, int action); 252 static int cdcheckmedia(struct cam_periph *periph); 253 static int cdsize(struct cam_periph *periph, u_int32_t *size); 254 static int cd6byteworkaround(union ccb *ccb); 255 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 256 u_int32_t start, u_int8_t *data, 257 u_int32_t len, u_int32_t sense_flags); 258 static int cdgetmode(struct cam_periph *periph, 259 struct cd_mode_params *data, u_int32_t page); 260 static int cdsetmode(struct cam_periph *periph, 261 struct cd_mode_params *data); 262 static int cdplay(struct cam_periph *periph, u_int32_t blk, 263 u_int32_t len); 264 static int cdreadsubchannel(struct cam_periph *periph, 265 u_int32_t mode, u_int32_t format, 266 int track, 267 struct cd_sub_channel_info *data, 268 u_int32_t len); 269 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 270 u_int32_t starts, u_int32_t startf, 271 u_int32_t endm, u_int32_t ends, 272 u_int32_t endf); 273 static int cdplaytracks(struct cam_periph *periph, 274 u_int32_t strack, u_int32_t sindex, 275 u_int32_t etrack, u_int32_t eindex); 276 static int cdpause(struct cam_periph *periph, u_int32_t go); 277 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 278 static int cdstartunit(struct cam_periph *periph, int load); 279 static int cdsetspeed(struct cam_periph *periph, 280 u_int32_t rdspeed, u_int32_t wrspeed); 281 static int cdreportkey(struct cam_periph *periph, 282 struct dvd_authinfo *authinfo); 283 static int cdsendkey(struct cam_periph *periph, 284 struct dvd_authinfo *authinfo); 285 static int cdreaddvdstructure(struct cam_periph *periph, 286 struct dvd_struct *dvdstruct); 287 288 static struct periph_driver cddriver = 289 { 290 cdinit, "cd", 291 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 292 }; 293 294 DATA_SET(periphdriver_set, cddriver); 295 296 /* For 2.2-stable support */ 297 #ifndef D_DISK 298 #define D_DISK 0 299 #endif 300 static struct cdevsw cd_cdevsw = { 301 /* name */ "cd", 302 /* maj */ SCSICD_CDEV_MAJOR, 303 /* flags */ D_DISK, 304 /* port */ NULL, 305 /* clone */ NULL, 306 307 /* open */ cdopen, 308 /* close */ cdclose, 309 /* read */ physread, 310 /* write */ physwrite, 311 /* ioctl */ cdioctl, 312 /* poll */ nopoll, 313 /* mmap */ nommap, 314 /* strategy */ cdstrategy, 315 /* dump */ nodump, 316 /* psize */ nopsize, 317 }; 318 319 static struct extend_array *cdperiphs; 320 static int num_changers; 321 322 #ifndef CHANGER_MIN_BUSY_SECONDS 323 #define CHANGER_MIN_BUSY_SECONDS 5 324 #endif 325 #ifndef CHANGER_MAX_BUSY_SECONDS 326 #define CHANGER_MAX_BUSY_SECONDS 15 327 #endif 328 329 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 330 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 331 332 /* 333 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 334 * variables. 335 */ 336 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 337 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 338 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 339 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 340 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 341 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 342 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 343 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 344 345 struct cdchanger { 346 path_id_t path_id; 347 target_id_t target_id; 348 int num_devices; 349 struct camq devq; 350 struct timeval start_time; 351 struct cd_softc *cur_device; 352 struct callout short_handle; 353 struct callout long_handle; 354 volatile cd_changer_flags flags; 355 STAILQ_ENTRY(cdchanger) changer_links; 356 STAILQ_HEAD(chdevlist, cd_softc) chluns; 357 }; 358 359 static STAILQ_HEAD(changerlist, cdchanger) changerq; 360 361 void 362 cdinit(void) 363 { 364 cam_status status; 365 struct cam_path *path; 366 367 /* 368 * Create our extend array for storing the devices we attach to. 369 */ 370 cdperiphs = cam_extend_new(); 371 if (cdperiphs == NULL) { 372 printf("cd: Failed to alloc extend array!\n"); 373 return; 374 } 375 376 /* 377 * Install a global async callback. This callback will 378 * receive async callbacks like "new device found". 379 */ 380 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 381 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 382 383 if (status == CAM_REQ_CMP) { 384 struct ccb_setasync csa; 385 386 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 387 csa.ccb_h.func_code = XPT_SASYNC_CB; 388 csa.event_enable = AC_FOUND_DEVICE; 389 csa.callback = cdasync; 390 csa.callback_arg = NULL; 391 xpt_action((union ccb *)&csa); 392 status = csa.ccb_h.status; 393 xpt_free_path(path); 394 } 395 396 if (status != CAM_REQ_CMP) { 397 printf("cd: Failed to attach master async callback " 398 "due to status 0x%x!\n", status); 399 } 400 } 401 402 static void 403 cdoninvalidate(struct cam_periph *periph) 404 { 405 int s; 406 struct cd_softc *softc; 407 struct buf *q_bp; 408 struct ccb_setasync csa; 409 410 softc = (struct cd_softc *)periph->softc; 411 412 /* 413 * De-register any async callbacks. 414 */ 415 xpt_setup_ccb(&csa.ccb_h, periph->path, 416 /* priority */ 5); 417 csa.ccb_h.func_code = XPT_SASYNC_CB; 418 csa.event_enable = 0; 419 csa.callback = cdasync; 420 csa.callback_arg = periph; 421 xpt_action((union ccb *)&csa); 422 423 softc->flags |= CD_FLAG_INVALID; 424 425 /* 426 * Although the oninvalidate() routines are always called at 427 * splsoftcam, we need to be at splbio() here to keep the buffer 428 * queue from being modified while we traverse it. 429 */ 430 s = splbio(); 431 432 /* 433 * Return all queued I/O with ENXIO. 434 * XXX Handle any transactions queued to the card 435 * with XPT_ABORT_CCB. 436 */ 437 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){ 438 bufq_remove(&softc->buf_queue, q_bp); 439 q_bp->b_resid = q_bp->b_bcount; 440 q_bp->b_error = ENXIO; 441 q_bp->b_flags |= B_ERROR; 442 biodone(q_bp); 443 } 444 splx(s); 445 446 /* 447 * If this device is part of a changer, and it was scheduled 448 * to run, remove it from the run queue since we just nuked 449 * all of its scheduled I/O. 450 */ 451 if ((softc->flags & CD_FLAG_CHANGER) 452 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 453 camq_remove(&softc->changer->devq, softc->pinfo.index); 454 455 xpt_print_path(periph->path); 456 printf("lost device\n"); 457 } 458 459 static void 460 cdcleanup(struct cam_periph *periph) 461 { 462 struct cd_softc *softc; 463 int s; 464 465 softc = (struct cd_softc *)periph->softc; 466 467 xpt_print_path(periph->path); 468 printf("removing device entry\n"); 469 470 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 471 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 472 xpt_print_path(periph->path); 473 printf("can't remove sysctl context\n"); 474 } 475 476 s = splsoftcam(); 477 /* 478 * In the queued, non-active case, the device in question 479 * has already been removed from the changer run queue. Since this 480 * device is active, we need to de-activate it, and schedule 481 * another device to run. (if there is another one to run) 482 */ 483 if ((softc->flags & CD_FLAG_CHANGER) 484 && (softc->flags & CD_FLAG_ACTIVE)) { 485 486 /* 487 * The purpose of the short timeout is soley to determine 488 * whether the current device has finished or not. Well, 489 * since we're removing the active device, we know that it 490 * is finished. So, get rid of the short timeout. 491 * Otherwise, if we're in the time period before the short 492 * timeout fires, and there are no other devices in the 493 * queue to run, there won't be any other device put in the 494 * active slot. i.e., when we call cdrunchangerqueue() 495 * below, it won't do anything. Then, when the short 496 * timeout fires, it'll look at the "current device", which 497 * we are free below, and possibly panic the kernel on a 498 * bogus pointer reference. 499 * 500 * The long timeout doesn't really matter, since we 501 * decrement the qfrozen_cnt to indicate that there is 502 * nothing in the active slot now. Therefore, there won't 503 * be any bogus pointer references there. 504 */ 505 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 506 callout_stop(&softc->changer->short_handle); 507 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 508 } 509 softc->changer->devq.qfrozen_cnt--; 510 softc->changer->flags |= CHANGER_MANUAL_CALL; 511 cdrunchangerqueue(softc->changer); 512 } 513 514 /* 515 * If we're removing the last device on the changer, go ahead and 516 * remove the changer device structure. 517 */ 518 if ((softc->flags & CD_FLAG_CHANGER) 519 && (--softc->changer->num_devices == 0)) { 520 521 /* 522 * Theoretically, there shouldn't be any timeouts left, but 523 * I'm not completely sure that that will be the case. So, 524 * it won't hurt to check and see if there are any left. 525 */ 526 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 527 callout_stop(&softc->changer->long_handle); 528 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 529 } 530 531 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 532 callout_stop(&softc->changer->short_handle); 533 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 534 } 535 536 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 537 changer_links); 538 xpt_print_path(periph->path); 539 printf("removing changer entry\n"); 540 free(softc->changer, M_DEVBUF); 541 num_changers--; 542 } 543 devstat_remove_entry(&softc->device_stats); 544 cam_extend_release(cdperiphs, periph->unit_number); 545 if (softc->disk.d_rawdev) { 546 disk_destroy(&softc->disk); 547 } 548 free(softc, M_DEVBUF); 549 splx(s); 550 } 551 552 static void 553 cdasync(void *callback_arg, u_int32_t code, 554 struct cam_path *path, void *arg) 555 { 556 struct cam_periph *periph; 557 558 periph = (struct cam_periph *)callback_arg; 559 switch (code) { 560 case AC_FOUND_DEVICE: 561 { 562 struct ccb_getdev *cgd; 563 cam_status status; 564 565 cgd = (struct ccb_getdev *)arg; 566 567 if (SID_TYPE(&cgd->inq_data) != T_CDROM 568 && SID_TYPE(&cgd->inq_data) != T_WORM) 569 break; 570 571 /* 572 * Allocate a peripheral instance for 573 * this device and start the probe 574 * process. 575 */ 576 status = cam_periph_alloc(cdregister, cdoninvalidate, 577 cdcleanup, cdstart, 578 "cd", CAM_PERIPH_BIO, 579 cgd->ccb_h.path, cdasync, 580 AC_FOUND_DEVICE, cgd); 581 582 if (status != CAM_REQ_CMP 583 && status != CAM_REQ_INPROG) 584 printf("cdasync: Unable to attach new device " 585 "due to status 0x%x\n", status); 586 587 break; 588 } 589 case AC_SENT_BDR: 590 case AC_BUS_RESET: 591 { 592 struct cd_softc *softc; 593 struct ccb_hdr *ccbh; 594 int s; 595 596 softc = (struct cd_softc *)periph->softc; 597 s = splsoftcam(); 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 splx(s); 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 bufq_init(&softc->buf_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 int s; 1014 1015 unit = dkunit(dev); 1016 periph = cam_extend_get(cdperiphs, unit); 1017 1018 if (periph == NULL) 1019 return (ENXIO); 1020 1021 softc = (struct cd_softc *)periph->softc; 1022 1023 /* 1024 * Grab splsoftcam and hold it until we lock the peripheral. 1025 */ 1026 s = splsoftcam(); 1027 if (softc->flags & CD_FLAG_INVALID) { 1028 splx(s); 1029 return(ENXIO); 1030 } 1031 1032 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1033 splx(s); 1034 return (error); 1035 } 1036 1037 splx(s); 1038 1039 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1040 return(ENXIO); 1041 1042 /* 1043 * Check for media, and set the appropriate flags. We don't bail 1044 * if we don't have media, but then we don't allow anything but the 1045 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1046 * 1047 * XXX KDM for now, we do fail the open if we don't have media. We 1048 * can change this once we've figured out how to make the slice 1049 * code work well with media changing underneath it. 1050 */ 1051 error = cdcheckmedia(periph); 1052 1053 if (error == 0) 1054 softc->flags |= CD_FLAG_OPEN; 1055 1056 cam_periph_unlock(periph); 1057 1058 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1059 1060 return (error); 1061 } 1062 1063 static int 1064 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1065 { 1066 struct cam_periph *periph; 1067 struct cd_softc *softc; 1068 int unit, error; 1069 1070 unit = dkunit(dev); 1071 periph = cam_extend_get(cdperiphs, unit); 1072 if (periph == NULL) 1073 return (ENXIO); 1074 1075 softc = (struct cd_softc *)periph->softc; 1076 1077 if ((error = cam_periph_lock(periph, 0)) != 0) 1078 return (error); 1079 1080 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1081 cdprevent(periph, PR_ALLOW); 1082 1083 /* 1084 * Unconditionally set the dsopen() flags back to their default 1085 * state. 1086 */ 1087 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1088 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1089 1090 /* 1091 * Since we're closing this CD, mark the blocksize as unavailable. 1092 * It will be marked as available when the CD is opened again. 1093 */ 1094 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1095 1096 /* 1097 * We'll check the media and toc again at the next open(). 1098 */ 1099 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1100 1101 softc->flags &= ~CD_FLAG_OPEN; 1102 1103 cam_periph_unlock(periph); 1104 cam_periph_release(periph); 1105 1106 return (0); 1107 } 1108 1109 static void 1110 cdshorttimeout(void *arg) 1111 { 1112 struct cdchanger *changer; 1113 int s; 1114 1115 s = splsoftcam(); 1116 1117 changer = (struct cdchanger *)arg; 1118 1119 /* Always clear the short timeout flag, since that's what we're in */ 1120 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1121 1122 /* 1123 * Check to see if there is any more pending or outstanding I/O for 1124 * this device. If not, move it out of the active slot. 1125 */ 1126 if ((bufq_first(&changer->cur_device->buf_queue) == NULL) 1127 && (changer->cur_device->device_stats.busy_count == 0)) { 1128 changer->flags |= CHANGER_MANUAL_CALL; 1129 cdrunchangerqueue(changer); 1130 } 1131 1132 splx(s); 1133 } 1134 1135 /* 1136 * This is a wrapper for xpt_schedule. It only applies to changers. 1137 */ 1138 static void 1139 cdschedule(struct cam_periph *periph, int priority) 1140 { 1141 struct cd_softc *softc; 1142 int s; 1143 1144 s = splsoftcam(); 1145 1146 softc = (struct cd_softc *)periph->softc; 1147 1148 /* 1149 * If this device isn't currently queued, and if it isn't 1150 * the active device, then we queue this device and run the 1151 * changer queue if there is no timeout scheduled to do it. 1152 * If this device is the active device, just schedule it 1153 * to run again. If this device is queued, there should be 1154 * a timeout in place already that will make sure it runs. 1155 */ 1156 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1157 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1158 /* 1159 * We don't do anything with the priority here. 1160 * This is strictly a fifo queue. 1161 */ 1162 softc->pinfo.priority = 1; 1163 softc->pinfo.generation = ++softc->changer->devq.generation; 1164 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1165 1166 /* 1167 * Since we just put a device in the changer queue, 1168 * check and see if there is a timeout scheduled for 1169 * this changer. If so, let the timeout handle 1170 * switching this device into the active slot. If 1171 * not, manually call the timeout routine to 1172 * bootstrap things. 1173 */ 1174 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1175 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1176 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1177 softc->changer->flags |= CHANGER_MANUAL_CALL; 1178 cdrunchangerqueue(softc->changer); 1179 } 1180 } else if ((softc->flags & CD_FLAG_ACTIVE) 1181 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1182 xpt_schedule(periph, priority); 1183 1184 splx(s); 1185 1186 } 1187 1188 static void 1189 cdrunchangerqueue(void *arg) 1190 { 1191 struct cd_softc *softc; 1192 struct cdchanger *changer; 1193 int called_from_timeout; 1194 int s; 1195 1196 s = splsoftcam(); 1197 1198 changer = (struct cdchanger *)arg; 1199 1200 /* 1201 * If we have NOT been called from cdstrategy() or cddone(), and 1202 * instead from a timeout routine, go ahead and clear the 1203 * timeout flag. 1204 */ 1205 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1206 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1207 called_from_timeout = 1; 1208 } else 1209 called_from_timeout = 0; 1210 1211 /* Always clear the manual call flag */ 1212 changer->flags &= ~CHANGER_MANUAL_CALL; 1213 1214 /* nothing to do if the queue is empty */ 1215 if (changer->devq.entries <= 0) { 1216 splx(s); 1217 return; 1218 } 1219 1220 /* 1221 * If the changer queue is frozen, that means we have an active 1222 * device. 1223 */ 1224 if (changer->devq.qfrozen_cnt > 0) { 1225 1226 if (changer->cur_device->device_stats.busy_count > 0) { 1227 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1228 changer->cur_device->bufs_left = 1229 changer->cur_device->device_stats.busy_count; 1230 if (called_from_timeout) { 1231 callout_reset(&changer->long_handle, 1232 changer_max_busy_seconds * hz, 1233 cdrunchangerqueue, changer); 1234 changer->flags |= CHANGER_TIMEOUT_SCHED; 1235 } 1236 splx(s); 1237 return; 1238 } 1239 1240 /* 1241 * We always need to reset the frozen count and clear the 1242 * active flag. 1243 */ 1244 changer->devq.qfrozen_cnt--; 1245 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1246 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1247 1248 /* 1249 * Check to see whether the current device has any I/O left 1250 * to do. If so, requeue it at the end of the queue. If 1251 * not, there is no need to requeue it. 1252 */ 1253 if (bufq_first(&changer->cur_device->buf_queue) != NULL) { 1254 1255 changer->cur_device->pinfo.generation = 1256 ++changer->devq.generation; 1257 camq_insert(&changer->devq, 1258 (cam_pinfo *)changer->cur_device); 1259 } 1260 } 1261 1262 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1263 1264 changer->cur_device = softc; 1265 1266 changer->devq.qfrozen_cnt++; 1267 softc->flags |= CD_FLAG_ACTIVE; 1268 1269 /* Just in case this device is waiting */ 1270 wakeup(&softc->changer); 1271 xpt_schedule(softc->periph, /*priority*/ 1); 1272 1273 /* 1274 * Get rid of any pending timeouts, and set a flag to schedule new 1275 * ones so this device gets its full time quantum. 1276 */ 1277 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1278 callout_stop(&changer->long_handle); 1279 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1280 } 1281 1282 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1283 callout_stop(&changer->short_handle); 1284 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1285 } 1286 1287 /* 1288 * We need to schedule timeouts, but we only do this after the 1289 * first transaction has completed. This eliminates the changer 1290 * switch time. 1291 */ 1292 changer->flags |= CHANGER_NEED_TIMEOUT; 1293 1294 splx(s); 1295 } 1296 1297 static void 1298 cdchangerschedule(struct cd_softc *softc) 1299 { 1300 struct cdchanger *changer; 1301 int s; 1302 1303 s = splsoftcam(); 1304 1305 changer = softc->changer; 1306 1307 /* 1308 * If this is a changer, and this is the current device, 1309 * and this device has at least the minimum time quantum to 1310 * run, see if we can switch it out. 1311 */ 1312 if ((softc->flags & CD_FLAG_ACTIVE) 1313 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1314 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1315 /* 1316 * We try three things here. The first is that we 1317 * check to see whether the schedule on completion 1318 * flag is set. If it is, we decrement the number 1319 * of buffers left, and if it's zero, we reschedule. 1320 * Next, we check to see whether the pending buffer 1321 * queue is empty and whether there are no 1322 * outstanding transactions. If so, we reschedule. 1323 * Next, we see if the pending buffer queue is empty. 1324 * If it is, we set the number of buffers left to 1325 * the current active buffer count and set the 1326 * schedule on complete flag. 1327 */ 1328 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1329 if (--softc->bufs_left == 0) { 1330 softc->changer->flags |= 1331 CHANGER_MANUAL_CALL; 1332 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1333 cdrunchangerqueue(softc->changer); 1334 } 1335 } else if ((bufq_first(&softc->buf_queue) == NULL) 1336 && (softc->device_stats.busy_count == 0)) { 1337 softc->changer->flags |= CHANGER_MANUAL_CALL; 1338 cdrunchangerqueue(softc->changer); 1339 } 1340 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1341 && (softc->flags & CD_FLAG_ACTIVE)) { 1342 1343 /* 1344 * Now that the first transaction to this 1345 * particular device has completed, we can go ahead 1346 * and schedule our timeouts. 1347 */ 1348 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1349 callout_reset(&changer->long_handle, 1350 changer_max_busy_seconds * hz, 1351 cdrunchangerqueue, changer); 1352 changer->flags |= CHANGER_TIMEOUT_SCHED; 1353 } else 1354 printf("cdchangerschedule: already have a long" 1355 " timeout!\n"); 1356 1357 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1358 callout_reset(&changer->short_handle, 1359 changer_min_busy_seconds * hz, 1360 cdshorttimeout, changer); 1361 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1362 } else 1363 printf("cdchangerschedule: already have a short " 1364 "timeout!\n"); 1365 1366 /* 1367 * We just scheduled timeouts, no need to schedule 1368 * more. 1369 */ 1370 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1371 1372 } 1373 splx(s); 1374 } 1375 1376 static int 1377 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1378 u_int32_t cam_flags, 1379 u_int32_t sense_flags), 1380 u_int32_t cam_flags, u_int32_t sense_flags) 1381 { 1382 struct cd_softc *softc; 1383 struct cam_periph *periph; 1384 int error; 1385 1386 periph = xpt_path_periph(ccb->ccb_h.path); 1387 softc = (struct cd_softc *)periph->softc; 1388 1389 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1390 &softc->device_stats); 1391 1392 if (softc->flags & CD_FLAG_CHANGER) 1393 cdchangerschedule(softc); 1394 1395 return(error); 1396 } 1397 1398 static union ccb * 1399 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1400 { 1401 struct cd_softc *softc; 1402 int s; 1403 1404 softc = (struct cd_softc *)periph->softc; 1405 1406 if (softc->flags & CD_FLAG_CHANGER) { 1407 1408 s = splsoftcam(); 1409 1410 /* 1411 * This should work the first time this device is woken up, 1412 * but just in case it doesn't, we use a while loop. 1413 */ 1414 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1415 /* 1416 * If this changer isn't already queued, queue it up. 1417 */ 1418 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1419 softc->pinfo.priority = 1; 1420 softc->pinfo.generation = 1421 ++softc->changer->devq.generation; 1422 camq_insert(&softc->changer->devq, 1423 (cam_pinfo *)softc); 1424 } 1425 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1426 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1427 && ((softc->changer->flags 1428 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1429 softc->changer->flags |= CHANGER_MANUAL_CALL; 1430 cdrunchangerqueue(softc->changer); 1431 } else 1432 tsleep(&softc->changer, 0, "cgticb", 0); 1433 } 1434 splx(s); 1435 } 1436 return(cam_periph_getccb(periph, priority)); 1437 } 1438 1439 1440 /* 1441 * Actually translate the requested transfer into one the physical driver 1442 * can understand. The transfer is described by a buf and will include 1443 * only one physical transfer. 1444 */ 1445 static void 1446 cdstrategy(struct buf *bp) 1447 { 1448 struct cam_periph *periph; 1449 struct cd_softc *softc; 1450 u_int unit, part; 1451 int s; 1452 1453 unit = dkunit(bp->b_dev); 1454 part = dkpart(bp->b_dev); 1455 periph = cam_extend_get(cdperiphs, unit); 1456 if (periph == NULL) { 1457 bp->b_error = ENXIO; 1458 goto bad; 1459 } 1460 1461 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1462 1463 softc = (struct cd_softc *)periph->softc; 1464 1465 /* 1466 * Mask interrupts so that the pack cannot be invalidated until 1467 * after we are in the queue. Otherwise, we might not properly 1468 * clean up one of the buffers. 1469 */ 1470 s = splbio(); 1471 1472 /* 1473 * If the device has been made invalid, error out 1474 */ 1475 if ((softc->flags & CD_FLAG_INVALID)) { 1476 splx(s); 1477 bp->b_error = ENXIO; 1478 goto bad; 1479 } 1480 1481 /* 1482 * If we don't have valid media, look for it before trying to 1483 * schedule the I/O. 1484 */ 1485 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1486 int error; 1487 1488 error = cdcheckmedia(periph); 1489 if (error != 0) { 1490 splx(s); 1491 bp->b_error = error; 1492 goto bad; 1493 } 1494 } 1495 1496 /* 1497 * Place it in the queue of disk activities for this disk 1498 */ 1499 bufqdisksort(&softc->buf_queue, bp); 1500 1501 splx(s); 1502 1503 /* 1504 * Schedule ourselves for performing the work. We do things 1505 * differently for changers. 1506 */ 1507 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1508 xpt_schedule(periph, /* XXX priority */1); 1509 else 1510 cdschedule(periph, /* priority */ 1); 1511 1512 return; 1513 bad: 1514 bp->b_flags |= B_ERROR; 1515 /* 1516 * Correctly set the buf to indicate a completed xfer 1517 */ 1518 bp->b_resid = bp->b_bcount; 1519 biodone(bp); 1520 return; 1521 } 1522 1523 static void 1524 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1525 { 1526 struct cd_softc *softc; 1527 struct buf *bp; 1528 struct ccb_scsiio *csio; 1529 struct scsi_read_capacity_data *rcap; 1530 int s; 1531 1532 softc = (struct cd_softc *)periph->softc; 1533 1534 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1535 1536 switch (softc->state) { 1537 case CD_STATE_NORMAL: 1538 { 1539 int oldspl; 1540 1541 s = splbio(); 1542 bp = bufq_first(&softc->buf_queue); 1543 if (periph->immediate_priority <= periph->pinfo.priority) { 1544 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1545 1546 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1547 periph_links.sle); 1548 periph->immediate_priority = CAM_PRIORITY_NONE; 1549 splx(s); 1550 wakeup(&periph->ccb_list); 1551 } else if (bp == NULL) { 1552 splx(s); 1553 xpt_release_ccb(start_ccb); 1554 } else { 1555 bufq_remove(&softc->buf_queue, bp); 1556 1557 devstat_start_transaction(&softc->device_stats); 1558 1559 scsi_read_write(&start_ccb->csio, 1560 /*retries*/4, 1561 /* cbfcnp */ cddone, 1562 (bp->b_flags & B_ORDERED) != 0 ? 1563 MSG_ORDERED_Q_TAG : 1564 MSG_SIMPLE_Q_TAG, 1565 /* read */bp->b_flags & B_READ, 1566 /* byte2 */ 0, 1567 /* minimum_cmd_size */ 10, 1568 /* lba */ bp->b_pblkno, 1569 bp->b_bcount / softc->params.blksize, 1570 /* data_ptr */ bp->b_data, 1571 /* dxfer_len */ bp->b_bcount, 1572 /* sense_len */ SSD_FULL_SIZE, 1573 /* timeout */ 30000); 1574 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1575 1576 1577 /* 1578 * Block out any asyncronous callbacks 1579 * while we touch the pending ccb list. 1580 */ 1581 oldspl = splcam(); 1582 LIST_INSERT_HEAD(&softc->pending_ccbs, 1583 &start_ccb->ccb_h, periph_links.le); 1584 splx(oldspl); 1585 1586 /* We expect a unit attention from this device */ 1587 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1588 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1589 softc->flags &= ~CD_FLAG_RETRY_UA; 1590 } 1591 1592 start_ccb->ccb_h.ccb_bp = bp; 1593 bp = bufq_first(&softc->buf_queue); 1594 splx(s); 1595 1596 xpt_action(start_ccb); 1597 } 1598 if (bp != NULL) { 1599 /* Have more work to do, so ensure we stay scheduled */ 1600 xpt_schedule(periph, /* XXX priority */1); 1601 } 1602 break; 1603 } 1604 case CD_STATE_PROBE: 1605 { 1606 1607 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1608 csio = &start_ccb->csio; 1609 scsi_read_capacity(csio, 1610 /*retries*/1, 1611 cddone, 1612 MSG_SIMPLE_Q_TAG, 1613 rcap, 1614 SSD_FULL_SIZE, 1615 /*timeout*/20000); 1616 start_ccb->ccb_h.ccb_bp = NULL; 1617 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1618 xpt_action(start_ccb); 1619 break; 1620 } 1621 } 1622 } 1623 1624 static void 1625 cddone(struct cam_periph *periph, union ccb *done_ccb) 1626 { 1627 struct cd_softc *softc; 1628 struct ccb_scsiio *csio; 1629 1630 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1631 1632 softc = (struct cd_softc *)periph->softc; 1633 csio = &done_ccb->csio; 1634 1635 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1636 case CD_CCB_BUFFER_IO: 1637 { 1638 struct buf *bp; 1639 int error; 1640 int oldspl; 1641 1642 bp = (struct buf *)done_ccb->ccb_h.ccb_bp; 1643 error = 0; 1644 1645 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1646 int sf; 1647 1648 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1649 sf = SF_RETRY_UA; 1650 else 1651 sf = 0; 1652 1653 /* Retry selection timeouts */ 1654 sf |= SF_RETRY_SELTO; 1655 1656 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1657 /* 1658 * A retry was scheuled, so 1659 * just return. 1660 */ 1661 return; 1662 } 1663 } 1664 1665 if (error != 0) { 1666 int s; 1667 struct buf *q_bp; 1668 1669 xpt_print_path(periph->path); 1670 printf("cddone: got error %#x back\n", error); 1671 s = splbio(); 1672 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) { 1673 bufq_remove(&softc->buf_queue, q_bp); 1674 q_bp->b_resid = q_bp->b_bcount; 1675 q_bp->b_error = EIO; 1676 q_bp->b_flags |= B_ERROR; 1677 biodone(q_bp); 1678 } 1679 splx(s); 1680 bp->b_resid = bp->b_bcount; 1681 bp->b_error = error; 1682 bp->b_flags |= B_ERROR; 1683 cam_release_devq(done_ccb->ccb_h.path, 1684 /*relsim_flags*/0, 1685 /*reduction*/0, 1686 /*timeout*/0, 1687 /*getcount_only*/0); 1688 1689 } else { 1690 bp->b_resid = csio->resid; 1691 bp->b_error = 0; 1692 if (bp->b_resid != 0) { 1693 /* Short transfer ??? */ 1694 bp->b_flags |= B_ERROR; 1695 } 1696 } 1697 1698 /* 1699 * Block out any asyncronous callbacks 1700 * while we touch the pending ccb list. 1701 */ 1702 oldspl = splcam(); 1703 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1704 splx(oldspl); 1705 1706 if (softc->flags & CD_FLAG_CHANGER) 1707 cdchangerschedule(softc); 1708 1709 devstat_end_transaction_buf(&softc->device_stats, bp); 1710 biodone(bp); 1711 break; 1712 } 1713 case CD_CCB_PROBE: 1714 { 1715 struct scsi_read_capacity_data *rdcap; 1716 char announce_buf[120]; /* 1717 * Currently (9/30/97) the 1718 * longest possible announce 1719 * buffer is 108 bytes, for the 1720 * first error case below. 1721 * That is 39 bytes for the 1722 * basic string, 16 bytes for the 1723 * biggest sense key (hardware 1724 * error), 52 bytes for the 1725 * text of the largest sense 1726 * qualifier valid for a CDROM, 1727 * (0x72, 0x03 or 0x04, 1728 * 0x03), and one byte for the 1729 * null terminating character. 1730 * To allow for longer strings, 1731 * the announce buffer is 120 1732 * bytes. 1733 */ 1734 struct cd_params *cdp; 1735 1736 cdp = &softc->params; 1737 1738 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1739 1740 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1741 cdp->blksize = scsi_4btoul (rdcap->length); 1742 1743 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1744 1745 snprintf(announce_buf, sizeof(announce_buf), 1746 "cd present [%lu x %lu byte records]", 1747 cdp->disksize, (u_long)cdp->blksize); 1748 1749 } else { 1750 int error; 1751 /* 1752 * Retry any UNIT ATTENTION type errors. They 1753 * are expected at boot. 1754 */ 1755 error = cderror(done_ccb, 0, SF_RETRY_UA | 1756 SF_NO_PRINT | SF_RETRY_SELTO); 1757 if (error == ERESTART) { 1758 /* 1759 * A retry was scheuled, so 1760 * just return. 1761 */ 1762 return; 1763 } else if (error != 0) { 1764 1765 struct scsi_sense_data *sense; 1766 int asc, ascq; 1767 int sense_key, error_code; 1768 int have_sense; 1769 cam_status status; 1770 struct ccb_getdev cgd; 1771 1772 /* Don't wedge this device's queue */ 1773 cam_release_devq(done_ccb->ccb_h.path, 1774 /*relsim_flags*/0, 1775 /*reduction*/0, 1776 /*timeout*/0, 1777 /*getcount_only*/0); 1778 1779 status = done_ccb->ccb_h.status; 1780 1781 xpt_setup_ccb(&cgd.ccb_h, 1782 done_ccb->ccb_h.path, 1783 /* priority */ 1); 1784 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1785 xpt_action((union ccb *)&cgd); 1786 1787 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1788 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1789 || ((status & CAM_AUTOSNS_VALID) == 0)) 1790 have_sense = FALSE; 1791 else 1792 have_sense = TRUE; 1793 1794 if (have_sense) { 1795 sense = &csio->sense_data; 1796 scsi_extract_sense(sense, &error_code, 1797 &sense_key, 1798 &asc, &ascq); 1799 } 1800 /* 1801 * Attach to anything that claims to be a 1802 * CDROM or WORM device, as long as it 1803 * doesn't return a "Logical unit not 1804 * supported" (0x25) error. 1805 */ 1806 if ((have_sense) && (asc != 0x25) 1807 && (error_code == SSD_CURRENT_ERROR)) 1808 snprintf(announce_buf, 1809 sizeof(announce_buf), 1810 "Attempt to query device " 1811 "size failed: %s, %s", 1812 scsi_sense_key_text[sense_key], 1813 scsi_sense_desc(asc,ascq, 1814 &cgd.inq_data)); 1815 else if ((have_sense == 0) 1816 && ((status & CAM_STATUS_MASK) == 1817 CAM_SCSI_STATUS_ERROR) 1818 && (csio->scsi_status == 1819 SCSI_STATUS_BUSY)) { 1820 snprintf(announce_buf, 1821 sizeof(announce_buf), 1822 "Attempt to query device " 1823 "size failed: SCSI status: BUSY"); 1824 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1825 /* 1826 * We only print out an error for 1827 * CDROM type devices. For WORM 1828 * devices, we don't print out an 1829 * error since a few WORM devices 1830 * don't support CDROM commands. 1831 * If we have sense information, go 1832 * ahead and print it out. 1833 * Otherwise, just say that we 1834 * couldn't attach. 1835 */ 1836 1837 /* 1838 * Just print out the error, not 1839 * the full probe message, when we 1840 * don't attach. 1841 */ 1842 if (have_sense) 1843 scsi_sense_print( 1844 &done_ccb->csio); 1845 else { 1846 xpt_print_path(periph->path); 1847 printf("got CAM status %#x\n", 1848 done_ccb->ccb_h.status); 1849 } 1850 xpt_print_path(periph->path); 1851 printf("fatal error, failed" 1852 " to attach to device\n"); 1853 1854 /* 1855 * Invalidate this peripheral. 1856 */ 1857 cam_periph_invalidate(periph); 1858 1859 announce_buf[0] = '\0'; 1860 } else { 1861 1862 /* 1863 * Invalidate this peripheral. 1864 */ 1865 cam_periph_invalidate(periph); 1866 announce_buf[0] = '\0'; 1867 } 1868 } 1869 } 1870 free(rdcap, M_TEMP); 1871 if (announce_buf[0] != '\0') { 1872 xpt_announce_periph(periph, announce_buf); 1873 if (softc->flags & CD_FLAG_CHANGER) 1874 cdchangerschedule(softc); 1875 /* 1876 * Create our sysctl variables, now that we know 1877 * we have successfully attached. 1878 */ 1879 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1880 } 1881 softc->state = CD_STATE_NORMAL; 1882 /* 1883 * Since our peripheral may be invalidated by an error 1884 * above or an external event, we must release our CCB 1885 * before releasing the probe lock on the peripheral. 1886 * The peripheral will only go away once the last lock 1887 * is removed, and we need it around for the CCB release 1888 * operation. 1889 */ 1890 xpt_release_ccb(done_ccb); 1891 cam_periph_unlock(periph); 1892 return; 1893 } 1894 case CD_CCB_WAITING: 1895 { 1896 /* Caller will release the CCB */ 1897 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1898 ("trying to wakeup ccbwait\n")); 1899 1900 wakeup(&done_ccb->ccb_h.cbfcnp); 1901 return; 1902 } 1903 default: 1904 break; 1905 } 1906 xpt_release_ccb(done_ccb); 1907 } 1908 1909 static union cd_pages * 1910 cdgetpage(struct cd_mode_params *mode_params) 1911 { 1912 union cd_pages *page; 1913 1914 if (mode_params->cdb_size == 10) 1915 page = (union cd_pages *)find_mode_page_10( 1916 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1917 else 1918 page = (union cd_pages *)find_mode_page_6( 1919 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1920 1921 return (page); 1922 } 1923 1924 static int 1925 cdgetpagesize(int page_num) 1926 { 1927 int i; 1928 1929 for (i = 0; i < (sizeof(cd_page_size_table)/ 1930 sizeof(cd_page_size_table[0])); i++) { 1931 if (cd_page_size_table[i].page == page_num) 1932 return (cd_page_size_table[i].page_size); 1933 } 1934 return (-1); 1935 } 1936 1937 static int 1938 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1939 { 1940 1941 struct cam_periph *periph; 1942 struct cd_softc *softc; 1943 int error, unit; 1944 1945 unit = dkunit(dev); 1946 1947 periph = cam_extend_get(cdperiphs, unit); 1948 if (periph == NULL) 1949 return(ENXIO); 1950 1951 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1952 1953 softc = (struct cd_softc *)periph->softc; 1954 1955 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1956 ("trying to do ioctl %#lx\n", cmd)); 1957 1958 error = cam_periph_lock(periph, PCATCH); 1959 1960 if (error != 0) 1961 return(error); 1962 1963 /* 1964 * If we don't have media loaded, check for it. If still don't 1965 * have media loaded, we can only do a load or eject. 1966 */ 1967 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1968 && ((cmd != CDIOCCLOSE) 1969 && (cmd != CDIOCEJECT))) { 1970 error = cdcheckmedia(periph); 1971 if (error != 0) { 1972 cam_periph_unlock(periph); 1973 return (error); 1974 } 1975 } 1976 1977 switch (cmd) { 1978 1979 case CDIOCPLAYTRACKS: 1980 { 1981 struct ioc_play_track *args 1982 = (struct ioc_play_track *) addr; 1983 struct cd_mode_params params; 1984 union cd_pages *page; 1985 1986 params.alloc_len = sizeof(union cd_mode_data_6_10); 1987 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1988 M_WAITOK | M_ZERO); 1989 1990 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1991 ("trying to do CDIOCPLAYTRACKS\n")); 1992 1993 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1994 if (error) { 1995 free(params.mode_buf, M_TEMP); 1996 break; 1997 } 1998 page = cdgetpage(¶ms); 1999 2000 page->audio.flags &= ~CD_PA_SOTC; 2001 page->audio.flags |= CD_PA_IMMED; 2002 error = cdsetmode(periph, ¶ms); 2003 free(params.mode_buf, M_TEMP); 2004 if (error) 2005 break; 2006 2007 /* 2008 * This was originally implemented with the PLAY 2009 * AUDIO TRACK INDEX command, but that command was 2010 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2011 * drives support it but ATAPI and ATAPI-derivative 2012 * drives don't seem to support it. So we keep a 2013 * cache of the table of contents and translate 2014 * track numbers to MSF format. 2015 */ 2016 if (softc->flags & CD_FLAG_VALID_TOC) { 2017 union msf_lba *sentry, *eentry; 2018 int st, et; 2019 2020 if (args->end_track < 2021 softc->toc.header.ending_track + 1) 2022 args->end_track++; 2023 if (args->end_track > 2024 softc->toc.header.ending_track + 1) 2025 args->end_track = 2026 softc->toc.header.ending_track + 1; 2027 st = args->start_track - 2028 softc->toc.header.starting_track; 2029 et = args->end_track - 2030 softc->toc.header.starting_track; 2031 if ((st < 0) 2032 || (et < 0) 2033 || (st > (softc->toc.header.ending_track - 2034 softc->toc.header.starting_track))) { 2035 error = EINVAL; 2036 break; 2037 } 2038 sentry = &softc->toc.entries[st].addr; 2039 eentry = &softc->toc.entries[et].addr; 2040 error = cdplaymsf(periph, 2041 sentry->msf.minute, 2042 sentry->msf.second, 2043 sentry->msf.frame, 2044 eentry->msf.minute, 2045 eentry->msf.second, 2046 eentry->msf.frame); 2047 } else { 2048 /* 2049 * If we don't have a valid TOC, try the 2050 * play track index command. It is part of 2051 * the SCSI-2 spec, but was removed in the 2052 * MMC specs. ATAPI and ATAPI-derived 2053 * drives don't support it. 2054 */ 2055 if (softc->quirks & CD_Q_BCD_TRACKS) { 2056 args->start_track = 2057 bin2bcd(args->start_track); 2058 args->end_track = 2059 bin2bcd(args->end_track); 2060 } 2061 error = cdplaytracks(periph, 2062 args->start_track, 2063 args->start_index, 2064 args->end_track, 2065 args->end_index); 2066 } 2067 } 2068 break; 2069 case CDIOCPLAYMSF: 2070 { 2071 struct ioc_play_msf *args 2072 = (struct ioc_play_msf *) addr; 2073 struct cd_mode_params params; 2074 union cd_pages *page; 2075 2076 params.alloc_len = sizeof(union cd_mode_data_6_10); 2077 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2078 M_WAITOK | M_ZERO); 2079 2080 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2081 ("trying to do CDIOCPLAYMSF\n")); 2082 2083 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2084 if (error) { 2085 free(params.mode_buf, M_TEMP); 2086 break; 2087 } 2088 page = cdgetpage(¶ms); 2089 2090 page->audio.flags &= ~CD_PA_SOTC; 2091 page->audio.flags |= CD_PA_IMMED; 2092 error = cdsetmode(periph, ¶ms); 2093 free(params.mode_buf, M_TEMP); 2094 if (error) 2095 break; 2096 error = cdplaymsf(periph, 2097 args->start_m, 2098 args->start_s, 2099 args->start_f, 2100 args->end_m, 2101 args->end_s, 2102 args->end_f); 2103 } 2104 break; 2105 case CDIOCPLAYBLOCKS: 2106 { 2107 struct ioc_play_blocks *args 2108 = (struct ioc_play_blocks *) addr; 2109 struct cd_mode_params params; 2110 union cd_pages *page; 2111 2112 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2113 ("trying to do CDIOCPLAYBLOCKS\n")); 2114 2115 params.alloc_len = sizeof(union cd_mode_data_6_10); 2116 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2117 M_WAITOK | M_ZERO); 2118 2119 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2120 if (error) { 2121 free(params.mode_buf, M_TEMP); 2122 break; 2123 } 2124 page = cdgetpage(¶ms); 2125 2126 page->audio.flags &= ~CD_PA_SOTC; 2127 page->audio.flags |= CD_PA_IMMED; 2128 error = cdsetmode(periph, ¶ms); 2129 free(params.mode_buf, M_TEMP); 2130 if (error) 2131 break; 2132 error = cdplay(periph, args->blk, args->len); 2133 } 2134 break; 2135 case CDIOCREADSUBCHANNEL: 2136 { 2137 struct ioc_read_subchannel *args 2138 = (struct ioc_read_subchannel *) addr; 2139 struct cd_sub_channel_info *data; 2140 u_int32_t len = args->data_len; 2141 2142 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2143 ("trying to do CDIOCREADSUBCHANNEL\n")); 2144 2145 data = malloc(sizeof(struct cd_sub_channel_info), 2146 M_TEMP, M_WAITOK); 2147 2148 if ((len > sizeof(struct cd_sub_channel_info)) || 2149 (len < sizeof(struct cd_sub_channel_header))) { 2150 printf( 2151 "scsi_cd: cdioctl: " 2152 "cdioreadsubchannel: error, len=%d\n", 2153 len); 2154 error = EINVAL; 2155 free(data, M_TEMP); 2156 break; 2157 } 2158 2159 if (softc->quirks & CD_Q_BCD_TRACKS) 2160 args->track = bin2bcd(args->track); 2161 2162 error = cdreadsubchannel(periph, args->address_format, 2163 args->data_format, args->track, data, len); 2164 2165 if (error) { 2166 free(data, M_TEMP); 2167 break; 2168 } 2169 if (softc->quirks & CD_Q_BCD_TRACKS) 2170 data->what.track_info.track_number = 2171 bcd2bin(data->what.track_info.track_number); 2172 len = min(len, ((data->header.data_len[0] << 8) + 2173 data->header.data_len[1] + 2174 sizeof(struct cd_sub_channel_header))); 2175 if (copyout(data, args->data, len) != 0) { 2176 error = EFAULT; 2177 } 2178 free(data, M_TEMP); 2179 } 2180 break; 2181 2182 case CDIOREADTOCHEADER: 2183 { 2184 struct ioc_toc_header *th; 2185 2186 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2187 ("trying to do CDIOREADTOCHEADER\n")); 2188 2189 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2190 M_WAITOK); 2191 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2192 sizeof (*th), /*sense_flags*/0); 2193 if (error) { 2194 free(th, M_TEMP); 2195 break; 2196 } 2197 if (softc->quirks & CD_Q_BCD_TRACKS) { 2198 /* we are going to have to convert the BCD 2199 * encoding on the cd to what is expected 2200 */ 2201 th->starting_track = 2202 bcd2bin(th->starting_track); 2203 th->ending_track = bcd2bin(th->ending_track); 2204 } 2205 th->len = ntohs(th->len); 2206 bcopy(th, addr, sizeof(*th)); 2207 free(th, M_TEMP); 2208 } 2209 break; 2210 case CDIOREADTOCENTRYS: 2211 { 2212 struct cd_tocdata *data; 2213 struct cd_toc_single *lead; 2214 struct ioc_read_toc_entry *te = 2215 (struct ioc_read_toc_entry *) addr; 2216 struct ioc_toc_header *th; 2217 u_int32_t len, readlen, idx, num; 2218 u_int32_t starting_track = te->starting_track; 2219 2220 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2221 ("trying to do CDIOREADTOCENTRYS\n")); 2222 2223 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2224 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2225 2226 if (te->data_len < sizeof(struct cd_toc_entry) 2227 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2228 || (te->address_format != CD_MSF_FORMAT 2229 && te->address_format != CD_LBA_FORMAT)) { 2230 error = EINVAL; 2231 printf("scsi_cd: error in readtocentries, " 2232 "returning EINVAL\n"); 2233 free(data, M_TEMP); 2234 free(lead, M_TEMP); 2235 break; 2236 } 2237 2238 th = &data->header; 2239 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2240 sizeof (*th), /*sense_flags*/0); 2241 if (error) { 2242 free(data, M_TEMP); 2243 free(lead, M_TEMP); 2244 break; 2245 } 2246 2247 if (softc->quirks & CD_Q_BCD_TRACKS) { 2248 /* we are going to have to convert the BCD 2249 * encoding on the cd to what is expected 2250 */ 2251 th->starting_track = 2252 bcd2bin(th->starting_track); 2253 th->ending_track = bcd2bin(th->ending_track); 2254 } 2255 2256 if (starting_track == 0) 2257 starting_track = th->starting_track; 2258 else if (starting_track == LEADOUT) 2259 starting_track = th->ending_track + 1; 2260 else if (starting_track < th->starting_track || 2261 starting_track > th->ending_track + 1) { 2262 printf("scsi_cd: error in readtocentries, " 2263 "returning EINVAL\n"); 2264 free(data, M_TEMP); 2265 free(lead, M_TEMP); 2266 error = EINVAL; 2267 break; 2268 } 2269 2270 /* calculate reading length without leadout entry */ 2271 readlen = (th->ending_track - starting_track + 1) * 2272 sizeof(struct cd_toc_entry); 2273 2274 /* and with leadout entry */ 2275 len = readlen + sizeof(struct cd_toc_entry); 2276 if (te->data_len < len) { 2277 len = te->data_len; 2278 if (readlen > len) 2279 readlen = len; 2280 } 2281 if (len > sizeof(data->entries)) { 2282 printf("scsi_cd: error in readtocentries, " 2283 "returning EINVAL\n"); 2284 error = EINVAL; 2285 free(data, M_TEMP); 2286 free(lead, M_TEMP); 2287 break; 2288 } 2289 num = len / sizeof(struct cd_toc_entry); 2290 2291 if (readlen > 0) { 2292 error = cdreadtoc(periph, te->address_format, 2293 starting_track, 2294 (u_int8_t *)data, 2295 readlen + sizeof (*th), 2296 /*sense_flags*/0); 2297 if (error) { 2298 free(data, M_TEMP); 2299 free(lead, M_TEMP); 2300 break; 2301 } 2302 } 2303 2304 /* make leadout entry if needed */ 2305 idx = starting_track + num - 1; 2306 if (softc->quirks & CD_Q_BCD_TRACKS) 2307 th->ending_track = bcd2bin(th->ending_track); 2308 if (idx == th->ending_track + 1) { 2309 error = cdreadtoc(periph, te->address_format, 2310 LEADOUT, (u_int8_t *)lead, 2311 sizeof(*lead), 2312 /*sense_flags*/0); 2313 if (error) { 2314 free(data, M_TEMP); 2315 free(lead, M_TEMP); 2316 break; 2317 } 2318 data->entries[idx - starting_track] = 2319 lead->entry; 2320 } 2321 if (softc->quirks & CD_Q_BCD_TRACKS) { 2322 for (idx = 0; idx < num - 1; idx++) { 2323 data->entries[idx].track = 2324 bcd2bin(data->entries[idx].track); 2325 } 2326 } 2327 2328 error = copyout(data->entries, te->data, len); 2329 free(data, M_TEMP); 2330 free(lead, M_TEMP); 2331 } 2332 break; 2333 case CDIOREADTOCENTRY: 2334 { 2335 struct cd_toc_single *data; 2336 struct ioc_read_toc_single_entry *te = 2337 (struct ioc_read_toc_single_entry *) addr; 2338 struct ioc_toc_header *th; 2339 u_int32_t track; 2340 2341 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2342 ("trying to do CDIOREADTOCENTRY\n")); 2343 2344 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2345 2346 if (te->address_format != CD_MSF_FORMAT 2347 && te->address_format != CD_LBA_FORMAT) { 2348 printf("error in readtocentry, " 2349 " returning EINVAL\n"); 2350 free(data, M_TEMP); 2351 error = EINVAL; 2352 break; 2353 } 2354 2355 th = &data->header; 2356 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2357 sizeof (*th), /*sense_flags*/0); 2358 if (error) { 2359 free(data, M_TEMP); 2360 break; 2361 } 2362 2363 if (softc->quirks & CD_Q_BCD_TRACKS) { 2364 /* we are going to have to convert the BCD 2365 * encoding on the cd to what is expected 2366 */ 2367 th->starting_track = 2368 bcd2bin(th->starting_track); 2369 th->ending_track = bcd2bin(th->ending_track); 2370 } 2371 track = te->track; 2372 if (track == 0) 2373 track = th->starting_track; 2374 else if (track == LEADOUT) 2375 /* OK */; 2376 else if (track < th->starting_track || 2377 track > th->ending_track + 1) { 2378 printf("error in readtocentry, " 2379 " returning EINVAL\n"); 2380 free(data, M_TEMP); 2381 error = EINVAL; 2382 break; 2383 } 2384 2385 error = cdreadtoc(periph, te->address_format, track, 2386 (u_int8_t *)data, sizeof(*data), 2387 /*sense_flags*/0); 2388 if (error) { 2389 free(data, M_TEMP); 2390 break; 2391 } 2392 2393 if (softc->quirks & CD_Q_BCD_TRACKS) 2394 data->entry.track = bcd2bin(data->entry.track); 2395 bcopy(&data->entry, &te->entry, 2396 sizeof(struct cd_toc_entry)); 2397 free(data, M_TEMP); 2398 } 2399 break; 2400 case CDIOCSETPATCH: 2401 { 2402 struct ioc_patch *arg = (struct ioc_patch *)addr; 2403 struct cd_mode_params params; 2404 union cd_pages *page; 2405 2406 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2407 ("trying to do CDIOCSETPATCH\n")); 2408 2409 params.alloc_len = sizeof(union cd_mode_data_6_10); 2410 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2411 M_WAITOK | M_ZERO); 2412 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2413 if (error) { 2414 free(params.mode_buf, M_TEMP); 2415 break; 2416 } 2417 page = cdgetpage(¶ms); 2418 2419 page->audio.port[LEFT_PORT].channels = 2420 arg->patch[0]; 2421 page->audio.port[RIGHT_PORT].channels = 2422 arg->patch[1]; 2423 page->audio.port[2].channels = arg->patch[2]; 2424 page->audio.port[3].channels = arg->patch[3]; 2425 error = cdsetmode(periph, ¶ms); 2426 free(params.mode_buf, M_TEMP); 2427 } 2428 break; 2429 case CDIOCGETVOL: 2430 { 2431 struct ioc_vol *arg = (struct ioc_vol *) addr; 2432 struct cd_mode_params params; 2433 union cd_pages *page; 2434 2435 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2436 ("trying to do CDIOCGETVOL\n")); 2437 2438 params.alloc_len = sizeof(union cd_mode_data_6_10); 2439 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2440 M_WAITOK | M_ZERO); 2441 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2442 if (error) { 2443 free(params.mode_buf, M_TEMP); 2444 break; 2445 } 2446 page = cdgetpage(¶ms); 2447 2448 arg->vol[LEFT_PORT] = 2449 page->audio.port[LEFT_PORT].volume; 2450 arg->vol[RIGHT_PORT] = 2451 page->audio.port[RIGHT_PORT].volume; 2452 arg->vol[2] = page->audio.port[2].volume; 2453 arg->vol[3] = page->audio.port[3].volume; 2454 free(params.mode_buf, M_TEMP); 2455 } 2456 break; 2457 case CDIOCSETVOL: 2458 { 2459 struct ioc_vol *arg = (struct ioc_vol *) addr; 2460 struct cd_mode_params params; 2461 union cd_pages *page; 2462 2463 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2464 ("trying to do CDIOCSETVOL\n")); 2465 2466 params.alloc_len = sizeof(union cd_mode_data_6_10); 2467 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2468 M_WAITOK | M_ZERO); 2469 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2470 if (error) { 2471 free(params.mode_buf, M_TEMP); 2472 break; 2473 } 2474 page = cdgetpage(¶ms); 2475 2476 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2477 page->audio.port[LEFT_PORT].volume = 2478 arg->vol[LEFT_PORT]; 2479 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2480 page->audio.port[RIGHT_PORT].volume = 2481 arg->vol[RIGHT_PORT]; 2482 page->audio.port[2].volume = arg->vol[2]; 2483 page->audio.port[3].volume = arg->vol[3]; 2484 error = cdsetmode(periph, ¶ms); 2485 free(params.mode_buf, M_TEMP); 2486 } 2487 break; 2488 case CDIOCSETMONO: 2489 { 2490 struct cd_mode_params params; 2491 union cd_pages *page; 2492 2493 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2494 ("trying to do CDIOCSETMONO\n")); 2495 2496 params.alloc_len = sizeof(union cd_mode_data_6_10); 2497 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2498 M_WAITOK | M_ZERO); 2499 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2500 if (error) { 2501 free(params.mode_buf, M_TEMP); 2502 break; 2503 } 2504 page = cdgetpage(¶ms); 2505 2506 page->audio.port[LEFT_PORT].channels = 2507 LEFT_CHANNEL | RIGHT_CHANNEL; 2508 page->audio.port[RIGHT_PORT].channels = 2509 LEFT_CHANNEL | RIGHT_CHANNEL; 2510 page->audio.port[2].channels = 0; 2511 page->audio.port[3].channels = 0; 2512 error = cdsetmode(periph, ¶ms); 2513 free(params.mode_buf, M_TEMP); 2514 } 2515 break; 2516 case CDIOCSETSTEREO: 2517 { 2518 struct cd_mode_params params; 2519 union cd_pages *page; 2520 2521 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2522 ("trying to do CDIOCSETSTEREO\n")); 2523 2524 params.alloc_len = sizeof(union cd_mode_data_6_10); 2525 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2526 M_WAITOK | M_ZERO); 2527 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2528 if (error) { 2529 free(params.mode_buf, M_TEMP); 2530 break; 2531 } 2532 page = cdgetpage(¶ms); 2533 2534 page->audio.port[LEFT_PORT].channels = 2535 LEFT_CHANNEL; 2536 page->audio.port[RIGHT_PORT].channels = 2537 RIGHT_CHANNEL; 2538 page->audio.port[2].channels = 0; 2539 page->audio.port[3].channels = 0; 2540 error = cdsetmode(periph, ¶ms); 2541 free(params.mode_buf, M_TEMP); 2542 } 2543 break; 2544 case CDIOCSETMUTE: 2545 { 2546 struct cd_mode_params params; 2547 union cd_pages *page; 2548 2549 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2550 ("trying to do CDIOCSETMUTE\n")); 2551 2552 params.alloc_len = sizeof(union cd_mode_data_6_10); 2553 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2554 M_WAITOK | M_ZERO); 2555 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2556 if (error) { 2557 free(¶ms, M_TEMP); 2558 break; 2559 } 2560 page = cdgetpage(¶ms); 2561 2562 page->audio.port[LEFT_PORT].channels = 0; 2563 page->audio.port[RIGHT_PORT].channels = 0; 2564 page->audio.port[2].channels = 0; 2565 page->audio.port[3].channels = 0; 2566 error = cdsetmode(periph, ¶ms); 2567 free(params.mode_buf, M_TEMP); 2568 } 2569 break; 2570 case CDIOCSETLEFT: 2571 { 2572 struct cd_mode_params params; 2573 union cd_pages *page; 2574 2575 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2576 ("trying to do CDIOCSETLEFT\n")); 2577 2578 params.alloc_len = sizeof(union cd_mode_data_6_10); 2579 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2580 M_WAITOK | M_ZERO); 2581 2582 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2583 if (error) { 2584 free(params.mode_buf, M_TEMP); 2585 break; 2586 } 2587 page = cdgetpage(¶ms); 2588 2589 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2590 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2591 page->audio.port[2].channels = 0; 2592 page->audio.port[3].channels = 0; 2593 error = cdsetmode(periph, ¶ms); 2594 free(params.mode_buf, M_TEMP); 2595 } 2596 break; 2597 case CDIOCSETRIGHT: 2598 { 2599 struct cd_mode_params params; 2600 union cd_pages *page; 2601 2602 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2603 ("trying to do CDIOCSETRIGHT\n")); 2604 2605 params.alloc_len = sizeof(union cd_mode_data_6_10); 2606 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2607 M_WAITOK | M_ZERO); 2608 2609 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2610 if (error) { 2611 free(params.mode_buf, M_TEMP); 2612 break; 2613 } 2614 page = cdgetpage(¶ms); 2615 2616 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2617 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2618 page->audio.port[2].channels = 0; 2619 page->audio.port[3].channels = 0; 2620 error = cdsetmode(periph, ¶ms); 2621 free(params.mode_buf, M_TEMP); 2622 } 2623 break; 2624 case CDIOCRESUME: 2625 error = cdpause(periph, 1); 2626 break; 2627 case CDIOCPAUSE: 2628 error = cdpause(periph, 0); 2629 break; 2630 case CDIOCSTART: 2631 error = cdstartunit(periph, 0); 2632 break; 2633 case CDIOCCLOSE: 2634 error = cdstartunit(periph, 1); 2635 2636 #ifdef notyet 2637 if (error != 0) 2638 break; 2639 2640 /* 2641 * The user successfully closed the tray, run 2642 * cdcheckmedia() again so we can re-sync the disklabel 2643 * information. 2644 */ 2645 cdcheckmedia(periph); 2646 #endif /* notyet */ 2647 break; 2648 case CDIOCSTOP: 2649 error = cdstopunit(periph, 0); 2650 break; 2651 case CDIOCEJECT: 2652 error = cdstopunit(periph, 1); 2653 2654 #ifdef notyet 2655 if (error != 0) 2656 break; 2657 2658 /* 2659 * Since we've successfully ejected the media, run 2660 * cdcheckmedia() again so we re-sync the disklabel 2661 * information. 2662 */ 2663 cdcheckmedia(periph); 2664 #endif /* notyet */ 2665 break; 2666 case CDIOCALLOW: 2667 cdprevent(periph, PR_ALLOW); 2668 break; 2669 case CDIOCPREVENT: 2670 cdprevent(periph, PR_PREVENT); 2671 break; 2672 case CDIOCSETDEBUG: 2673 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2674 error = ENOTTY; 2675 break; 2676 case CDIOCCLRDEBUG: 2677 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2678 error = ENOTTY; 2679 break; 2680 case CDIOCRESET: 2681 /* return (cd_reset(periph)); */ 2682 error = ENOTTY; 2683 break; 2684 case CDRIOCREADSPEED: 2685 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2686 break; 2687 case CDRIOCWRITESPEED: 2688 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2689 break; 2690 case DVDIOCSENDKEY: 2691 case DVDIOCREPORTKEY: { 2692 struct dvd_authinfo *authinfo; 2693 2694 authinfo = (struct dvd_authinfo *)addr; 2695 2696 if (cmd == DVDIOCREPORTKEY) 2697 error = cdreportkey(periph, authinfo); 2698 else 2699 error = cdsendkey(periph, authinfo); 2700 break; 2701 } 2702 case DVDIOCREADSTRUCTURE: { 2703 struct dvd_struct *dvdstruct; 2704 2705 dvdstruct = (struct dvd_struct *)addr; 2706 2707 error = cdreaddvdstructure(periph, dvdstruct); 2708 2709 break; 2710 } 2711 default: 2712 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2713 break; 2714 } 2715 2716 cam_periph_unlock(periph); 2717 2718 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2719 2720 return (error); 2721 } 2722 2723 static void 2724 cdprevent(struct cam_periph *periph, int action) 2725 { 2726 union ccb *ccb; 2727 struct cd_softc *softc; 2728 int error; 2729 2730 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2731 2732 softc = (struct cd_softc *)periph->softc; 2733 2734 if (((action == PR_ALLOW) 2735 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2736 || ((action == PR_PREVENT) 2737 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2738 return; 2739 } 2740 2741 ccb = cdgetccb(periph, /* priority */ 1); 2742 2743 scsi_prevent(&ccb->csio, 2744 /*retries*/ 1, 2745 cddone, 2746 MSG_SIMPLE_Q_TAG, 2747 action, 2748 SSD_FULL_SIZE, 2749 /* timeout */60000); 2750 2751 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2752 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2753 2754 xpt_release_ccb(ccb); 2755 2756 if (error == 0) { 2757 if (action == PR_ALLOW) 2758 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2759 else 2760 softc->flags |= CD_FLAG_DISC_LOCKED; 2761 } 2762 } 2763 2764 int 2765 cdcheckmedia(struct cam_periph *periph) 2766 { 2767 struct cd_softc *softc; 2768 struct ioc_toc_header *toch; 2769 struct cd_toc_single leadout; 2770 struct ccb_getdev cgd; 2771 u_int32_t size, toclen; 2772 int error, num_entries, cdindex; 2773 int first_track_audio; 2774 struct disklabel *label; 2775 2776 softc = (struct cd_softc *)periph->softc; 2777 2778 first_track_audio = -1; 2779 error = 0; 2780 2781 cdprevent(periph, PR_PREVENT); 2782 2783 /* 2784 * Build prototype label for whole disk. 2785 * Should take information about different data tracks from the 2786 * TOC and put it in the partition table. 2787 */ 2788 label = &softc->disk.d_label; 2789 bzero(label, sizeof(*label)); 2790 label->d_type = DTYPE_SCSI; 2791 2792 /* 2793 * Grab the inquiry data to get the vendor and product names. 2794 * Put them in the typename and packname for the label. 2795 */ 2796 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2797 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2798 xpt_action((union ccb *)&cgd); 2799 2800 strncpy(label->d_typename, cgd.inq_data.vendor, 2801 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2802 strncpy(label->d_packname, cgd.inq_data.product, 2803 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2804 2805 label->d_flags = D_REMOVABLE; 2806 /* 2807 * Make partition 'a' cover the whole disk. This is a temporary 2808 * compatibility hack. The 'a' partition should not exist, so 2809 * the slice code won't create it. The slice code will make 2810 * partition (RAW_PART + 'a') cover the whole disk and fill in 2811 * some more defaults. 2812 */ 2813 label->d_partitions[0].p_size = label->d_secperunit; 2814 label->d_partitions[0].p_fstype = FS_OTHER; 2815 2816 /* 2817 * Default to not reading the disklabel off the disk, until we can 2818 * verify that we have media, that we have a table of contents, and 2819 * that the first track is a data track (which could theoretically 2820 * contain a disklabel). 2821 */ 2822 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 2823 softc->disk.d_dsflags |= DSO_NOLABELS; 2824 2825 /* 2826 * Clear the valid media and TOC flags until we've verified that we 2827 * have both. 2828 */ 2829 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2830 2831 /* 2832 * Get the disc size and block size. If we can't get it, we don't 2833 * have media, most likely. 2834 */ 2835 if ((error = cdsize(periph, &size)) != 0) { 2836 /* 2837 * Set a bogus sector size, so the slice code won't try to 2838 * divide by 0 and panic the kernel. 2839 */ 2840 label->d_secsize = 2048; 2841 2842 label->d_secperunit = 0; 2843 2844 /* 2845 * XXX KDM is this a good idea? Seems to cause more 2846 * problems. 2847 */ 2848 if (softc->flags & CD_FLAG_OPEN) { 2849 int force; 2850 2851 force = 1; 2852 2853 /* 2854 * We don't bother checking the return value here, 2855 * since we already have an error... 2856 */ 2857 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2858 /*data*/(caddr_t)&force, /*flags*/ 0, 2859 &softc->disk.d_slice); 2860 } 2861 2862 /* 2863 * Tell devstat(9) we don't have a blocksize. 2864 */ 2865 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2866 2867 cdprevent(periph, PR_ALLOW); 2868 2869 return (error); 2870 } else { 2871 2872 label->d_secsize = softc->params.blksize; 2873 label->d_secperunit = softc->params.disksize; 2874 2875 /* 2876 * Force a re-sync of slice information, like the blocksize, 2877 * now that we know it. It isn't pretty...but according to 2878 * Bruce Evans, this is probably the best way to do it in 2879 * -stable. We only do this if we're already open, and 2880 * therefore dsopen() has already run. If CD_FLAG_OPEN 2881 * isn't set, this isn't necessary. 2882 */ 2883 if (softc->flags & CD_FLAG_OPEN) { 2884 int force; 2885 2886 force = 1; 2887 2888 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2889 /*data*/(caddr_t)&force, /*flags*/ 0, 2890 &softc->disk.d_slice); 2891 if (error != 0) { 2892 /* 2893 * Set a bogus sector size, so the slice code 2894 * won't try to divide by 0 and panic the 2895 * kernel. 2896 */ 2897 label->d_secsize = 2048; 2898 2899 label->d_secperunit = 0; 2900 2901 /* 2902 * Tell devstat(9) we don't have a blocksize. 2903 */ 2904 softc->device_stats.flags |= 2905 DEVSTAT_BS_UNAVAILABLE; 2906 2907 cdprevent(periph, PR_ALLOW); 2908 } 2909 } 2910 2911 /* 2912 * We unconditionally (re)set the blocksize each time the 2913 * CD device is opened. This is because the CD can change, 2914 * and therefore the blocksize might change. 2915 * XXX problems here if some slice or partition is still 2916 * open with the old size? 2917 */ 2918 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2919 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2920 softc->device_stats.block_size = softc->params.blksize; 2921 2922 softc->flags |= CD_FLAG_VALID_MEDIA; 2923 } 2924 2925 /* 2926 * Now we check the table of contents. This (currently) is only 2927 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2928 * things like present a separate entry in /dev for each track, 2929 * like that acd(4) driver does. 2930 */ 2931 bzero(&softc->toc, sizeof(softc->toc)); 2932 toch = &softc->toc.header; 2933 2934 /* 2935 * We will get errors here for media that doesn't have a table of 2936 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2937 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2938 * has not been recorded (no complete session) and the Format codes 2939 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2940 * with an INVALID FIELD IN CDB. Devices that are not capable of 2941 * reading an incomplete session on DDC/CD-R/RW media shall report 2942 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2943 * 2944 * So this isn't fatal if we can't read the table of contents, it 2945 * just means that the user won't be able to issue the play tracks 2946 * ioctl, and likely lots of other stuff won't work either. They 2947 * need to burn the CD before we can do a whole lot with it. So 2948 * we don't print anything here if we get an error back. 2949 */ 2950 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2951 SF_NO_PRINT); 2952 /* 2953 * Errors in reading the table of contents aren't fatal, we just 2954 * won't have a valid table of contents cached. 2955 */ 2956 if (error != 0) { 2957 error = 0; 2958 bzero(&softc->toc, sizeof(softc->toc)); 2959 goto bailout; 2960 } 2961 2962 if (softc->quirks & CD_Q_BCD_TRACKS) { 2963 toch->starting_track = bcd2bin(toch->starting_track); 2964 toch->ending_track = bcd2bin(toch->ending_track); 2965 } 2966 2967 /* Number of TOC entries, plus leadout */ 2968 num_entries = (toch->ending_track - toch->starting_track) + 2; 2969 2970 if (num_entries <= 0) 2971 goto bailout; 2972 2973 toclen = num_entries * sizeof(struct cd_toc_entry); 2974 2975 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2976 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2977 SF_NO_PRINT); 2978 if (error != 0) { 2979 error = 0; 2980 bzero(&softc->toc, sizeof(softc->toc)); 2981 goto bailout; 2982 } 2983 2984 if (softc->quirks & CD_Q_BCD_TRACKS) { 2985 toch->starting_track = bcd2bin(toch->starting_track); 2986 toch->ending_track = bcd2bin(toch->ending_track); 2987 } 2988 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2989 2990 /* 2991 * XXX KDM is this necessary? Probably only if the drive doesn't 2992 * return leadout information with the table of contents. 2993 */ 2994 cdindex = toch->starting_track + num_entries -1; 2995 if (cdindex == toch->ending_track + 1) { 2996 2997 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2998 (u_int8_t *)&leadout, sizeof(leadout), 2999 SF_NO_PRINT); 3000 if (error != 0) { 3001 error = 0; 3002 goto bailout; 3003 } 3004 softc->toc.entries[cdindex - toch->starting_track] = 3005 leadout.entry; 3006 } 3007 if (softc->quirks & CD_Q_BCD_TRACKS) { 3008 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3009 softc->toc.entries[cdindex].track = 3010 bcd2bin(softc->toc.entries[cdindex].track); 3011 } 3012 } 3013 3014 /* 3015 * Run through the TOC entries, find the first entry and determine 3016 * whether it is an audio or data track. 3017 */ 3018 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3019 if (softc->toc.entries[cdindex].track == toch->starting_track) { 3020 if (softc->toc.entries[cdindex].control & 0x04) 3021 first_track_audio = 0; 3022 else 3023 first_track_audio = 1; 3024 break; 3025 } 3026 } 3027 3028 /* 3029 * If first_track_audio is non-zero, we either have an error (e.g. 3030 * couldn't find the starting track) or the first track is an audio 3031 * track. If first_track_audio is 0, the first track is a data 3032 * track that could have a disklabel. Attempt to read the 3033 * disklabel off the media, just in case the user put one there. 3034 */ 3035 if (first_track_audio == 0) { 3036 softc->disk.d_dsflags |= DSO_COMPATLABEL; 3037 softc->disk.d_dsflags &= ~DSO_NOLABELS; 3038 } 3039 softc->flags |= CD_FLAG_VALID_TOC; 3040 3041 bailout: 3042 return (error); 3043 } 3044 3045 static int 3046 cdsize(struct cam_periph *periph, u_int32_t *size) 3047 { 3048 struct cd_softc *softc; 3049 union ccb *ccb; 3050 struct scsi_read_capacity_data *rcap_buf; 3051 int error; 3052 3053 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3054 3055 softc = (struct cd_softc *)periph->softc; 3056 3057 ccb = cdgetccb(periph, /* priority */ 1); 3058 3059 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 3060 M_TEMP, M_INTWAIT | M_ZERO); 3061 3062 scsi_read_capacity(&ccb->csio, 3063 /*retries*/ 1, 3064 cddone, 3065 MSG_SIMPLE_Q_TAG, 3066 rcap_buf, 3067 SSD_FULL_SIZE, 3068 /* timeout */20000); 3069 3070 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3071 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3072 3073 xpt_release_ccb(ccb); 3074 3075 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3076 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3077 /* 3078 * SCSI-3 mandates that the reported blocksize shall be 2048. 3079 * Older drives sometimes report funny values, trim it down to 3080 * 2048, or other parts of the kernel will get confused. 3081 * 3082 * XXX we leave drives alone that might report 512 bytes, as 3083 * well as drives reporting more weird sizes like perhaps 4K. 3084 */ 3085 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3086 softc->params.blksize = 2048; 3087 3088 free(rcap_buf, M_TEMP); 3089 *size = softc->params.disksize; 3090 3091 return (error); 3092 3093 } 3094 3095 static int 3096 cd6byteworkaround(union ccb *ccb) 3097 { 3098 u_int8_t *cdb; 3099 struct cam_periph *periph; 3100 struct cd_softc *softc; 3101 struct cd_mode_params *params; 3102 int frozen, found; 3103 3104 periph = xpt_path_periph(ccb->ccb_h.path); 3105 softc = (struct cd_softc *)periph->softc; 3106 3107 cdb = ccb->csio.cdb_io.cdb_bytes; 3108 3109 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3110 || ((cdb[0] != MODE_SENSE_6) 3111 && (cdb[0] != MODE_SELECT_6))) 3112 return (0); 3113 3114 /* 3115 * Because there is no convenient place to stash the overall 3116 * cd_mode_params structure pointer, we have to grab it like this. 3117 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3118 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3119 * 3120 * XXX It would be nice if, at some point, we could increase the 3121 * number of available peripheral private pointers. Both pointers 3122 * are currently used in most every peripheral driver. 3123 */ 3124 found = 0; 3125 3126 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3127 if (params->mode_buf == ccb->csio.data_ptr) { 3128 found = 1; 3129 break; 3130 } 3131 } 3132 3133 /* 3134 * This shouldn't happen. All mode sense and mode select 3135 * operations in the cd(4) driver MUST go through cdgetmode() and 3136 * cdsetmode()! 3137 */ 3138 if (found == 0) { 3139 xpt_print_path(periph->path); 3140 printf("mode buffer not found in mode queue!\n"); 3141 return (0); 3142 } 3143 3144 params->cdb_size = 10; 3145 softc->minimum_command_size = 10; 3146 xpt_print_path(ccb->ccb_h.path); 3147 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3148 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3149 3150 if (cdb[0] == MODE_SENSE_6) { 3151 struct scsi_mode_sense_10 ms10; 3152 struct scsi_mode_sense_6 *ms6; 3153 int len; 3154 3155 ms6 = (struct scsi_mode_sense_6 *)cdb; 3156 3157 bzero(&ms10, sizeof(ms10)); 3158 ms10.opcode = MODE_SENSE_10; 3159 ms10.byte2 = ms6->byte2; 3160 ms10.page = ms6->page; 3161 3162 /* 3163 * 10 byte mode header, block descriptor, 3164 * sizeof(union cd_pages) 3165 */ 3166 len = sizeof(struct cd_mode_data_10); 3167 ccb->csio.dxfer_len = len; 3168 3169 scsi_ulto2b(len, ms10.length); 3170 ms10.control = ms6->control; 3171 bcopy(&ms10, cdb, 10); 3172 ccb->csio.cdb_len = 10; 3173 } else { 3174 struct scsi_mode_select_10 ms10; 3175 struct scsi_mode_select_6 *ms6; 3176 struct scsi_mode_header_6 *header6; 3177 struct scsi_mode_header_10 *header10; 3178 struct scsi_mode_page_header *page_header; 3179 int blk_desc_len, page_num, page_size, len; 3180 3181 ms6 = (struct scsi_mode_select_6 *)cdb; 3182 3183 bzero(&ms10, sizeof(ms10)); 3184 ms10.opcode = MODE_SELECT_10; 3185 ms10.byte2 = ms6->byte2; 3186 3187 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3188 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3189 3190 page_header = find_mode_page_6(header6); 3191 page_num = page_header->page_code; 3192 3193 blk_desc_len = header6->blk_desc_len; 3194 3195 page_size = cdgetpagesize(page_num); 3196 3197 if (page_size != (page_header->page_length + 3198 sizeof(*page_header))) 3199 page_size = page_header->page_length + 3200 sizeof(*page_header); 3201 3202 len = sizeof(*header10) + blk_desc_len + page_size; 3203 3204 len = min(params->alloc_len, len); 3205 3206 /* 3207 * Since the 6 byte parameter header is shorter than the 10 3208 * byte parameter header, we need to copy the actual mode 3209 * page data, and the block descriptor, if any, so things wind 3210 * up in the right place. The regions will overlap, but 3211 * bcopy() does the right thing. 3212 */ 3213 bcopy(params->mode_buf + sizeof(*header6), 3214 params->mode_buf + sizeof(*header10), 3215 len - sizeof(*header10)); 3216 3217 /* Make sure these fields are set correctly. */ 3218 scsi_ulto2b(0, header10->data_length); 3219 header10->medium_type = 0; 3220 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3221 3222 ccb->csio.dxfer_len = len; 3223 3224 scsi_ulto2b(len, ms10.length); 3225 ms10.control = ms6->control; 3226 bcopy(&ms10, cdb, 10); 3227 ccb->csio.cdb_len = 10; 3228 } 3229 3230 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3231 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3232 xpt_action(ccb); 3233 if (frozen) { 3234 cam_release_devq(ccb->ccb_h.path, 3235 /*relsim_flags*/0, 3236 /*openings*/0, 3237 /*timeout*/0, 3238 /*getcount_only*/0); 3239 } 3240 3241 return (ERESTART); 3242 } 3243 3244 static int 3245 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3246 { 3247 struct cd_softc *softc; 3248 struct cam_periph *periph; 3249 int error; 3250 3251 periph = xpt_path_periph(ccb->ccb_h.path); 3252 softc = (struct cd_softc *)periph->softc; 3253 3254 error = 0; 3255 3256 /* 3257 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3258 * CDB comes back with this particular error, try transforming it 3259 * into the 10 byte version. 3260 */ 3261 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3262 error = cd6byteworkaround(ccb); 3263 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3264 CAM_SCSI_STATUS_ERROR) 3265 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3266 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3267 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3268 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3269 int sense_key, error_code, asc, ascq; 3270 3271 scsi_extract_sense(&ccb->csio.sense_data, 3272 &error_code, &sense_key, &asc, &ascq); 3273 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3274 error = cd6byteworkaround(ccb); 3275 } 3276 3277 if (error == ERESTART) 3278 return (error); 3279 3280 /* 3281 * XXX 3282 * Until we have a better way of doing pack validation, 3283 * don't treat UAs as errors. 3284 */ 3285 sense_flags |= SF_RETRY_UA; 3286 return (cam_periph_error(ccb, cam_flags, sense_flags, 3287 &softc->saved_ccb)); 3288 } 3289 3290 /* 3291 * Read table of contents 3292 */ 3293 static int 3294 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3295 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3296 { 3297 struct scsi_read_toc *scsi_cmd; 3298 u_int32_t ntoc; 3299 struct ccb_scsiio *csio; 3300 union ccb *ccb; 3301 int error; 3302 3303 ntoc = len; 3304 error = 0; 3305 3306 ccb = cdgetccb(periph, /* priority */ 1); 3307 3308 csio = &ccb->csio; 3309 3310 cam_fill_csio(csio, 3311 /* retries */ 1, 3312 /* cbfcnp */ cddone, 3313 /* flags */ CAM_DIR_IN, 3314 /* tag_action */ MSG_SIMPLE_Q_TAG, 3315 /* data_ptr */ data, 3316 /* dxfer_len */ len, 3317 /* sense_len */ SSD_FULL_SIZE, 3318 sizeof(struct scsi_read_toc), 3319 /* timeout */ 50000); 3320 3321 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3322 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3323 3324 if (mode == CD_MSF_FORMAT) 3325 scsi_cmd->byte2 |= CD_MSF; 3326 scsi_cmd->from_track = start; 3327 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3328 scsi_cmd->data_len[0] = (ntoc) >> 8; 3329 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3330 3331 scsi_cmd->op_code = READ_TOC; 3332 3333 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3334 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3335 sense_flags); 3336 3337 xpt_release_ccb(ccb); 3338 3339 return(error); 3340 } 3341 3342 static int 3343 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3344 u_int32_t format, int track, 3345 struct cd_sub_channel_info *data, u_int32_t len) 3346 { 3347 struct scsi_read_subchannel *scsi_cmd; 3348 struct ccb_scsiio *csio; 3349 union ccb *ccb; 3350 int error; 3351 3352 error = 0; 3353 3354 ccb = cdgetccb(periph, /* priority */ 1); 3355 3356 csio = &ccb->csio; 3357 3358 cam_fill_csio(csio, 3359 /* retries */ 1, 3360 /* cbfcnp */ cddone, 3361 /* flags */ CAM_DIR_IN, 3362 /* tag_action */ MSG_SIMPLE_Q_TAG, 3363 /* data_ptr */ (u_int8_t *)data, 3364 /* dxfer_len */ len, 3365 /* sense_len */ SSD_FULL_SIZE, 3366 sizeof(struct scsi_read_subchannel), 3367 /* timeout */ 50000); 3368 3369 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3370 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3371 3372 scsi_cmd->op_code = READ_SUBCHANNEL; 3373 if (mode == CD_MSF_FORMAT) 3374 scsi_cmd->byte1 |= CD_MSF; 3375 scsi_cmd->byte2 = SRS_SUBQ; 3376 scsi_cmd->subchan_format = format; 3377 scsi_cmd->track = track; 3378 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3379 scsi_cmd->control = 0; 3380 3381 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3382 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3383 3384 xpt_release_ccb(ccb); 3385 3386 return(error); 3387 } 3388 3389 /* 3390 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3391 * routine. See comments in cd6byteworkaround() for details. 3392 */ 3393 static int 3394 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3395 u_int32_t page) 3396 { 3397 struct ccb_scsiio *csio; 3398 struct cd_softc *softc; 3399 union ccb *ccb; 3400 int param_len; 3401 int error; 3402 3403 softc = (struct cd_softc *)periph->softc; 3404 3405 ccb = cdgetccb(periph, /* priority */ 1); 3406 3407 csio = &ccb->csio; 3408 3409 data->cdb_size = softc->minimum_command_size; 3410 if (data->cdb_size < 10) 3411 param_len = sizeof(struct cd_mode_data); 3412 else 3413 param_len = sizeof(struct cd_mode_data_10); 3414 3415 /* Don't say we've got more room than we actually allocated */ 3416 param_len = min(param_len, data->alloc_len); 3417 3418 scsi_mode_sense_len(csio, 3419 /* retries */ 1, 3420 /* cbfcnp */ cddone, 3421 /* tag_action */ MSG_SIMPLE_Q_TAG, 3422 /* dbd */ 0, 3423 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3424 /* page */ page, 3425 /* param_buf */ data->mode_buf, 3426 /* param_len */ param_len, 3427 /* minimum_cmd_size */ softc->minimum_command_size, 3428 /* sense_len */ SSD_FULL_SIZE, 3429 /* timeout */ 50000); 3430 3431 /* 3432 * It would be nice not to have to do this, but there's no 3433 * available pointer in the CCB that would allow us to stuff the 3434 * mode params structure in there and retrieve it in 3435 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3436 * lets the caller know what CDB size we ended up using, so they 3437 * can find the actual mode page offset. 3438 */ 3439 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3440 3441 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3442 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3443 3444 xpt_release_ccb(ccb); 3445 3446 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3447 3448 /* 3449 * This is a bit of belt-and-suspenders checking, but if we run 3450 * into a situation where the target sends back multiple block 3451 * descriptors, we might not have enough space in the buffer to 3452 * see the whole mode page. Better to return an error than 3453 * potentially access memory beyond our malloced region. 3454 */ 3455 if (error == 0) { 3456 u_int32_t data_len; 3457 3458 if (data->cdb_size == 10) { 3459 struct scsi_mode_header_10 *hdr10; 3460 3461 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3462 data_len = scsi_2btoul(hdr10->data_length); 3463 data_len += sizeof(hdr10->data_length); 3464 } else { 3465 struct scsi_mode_header_6 *hdr6; 3466 3467 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3468 data_len = hdr6->data_length; 3469 data_len += sizeof(hdr6->data_length); 3470 } 3471 3472 /* 3473 * Complain if there is more mode data available than we 3474 * allocated space for. This could potentially happen if 3475 * we miscalculated the page length for some reason, if the 3476 * drive returns multiple block descriptors, or if it sets 3477 * the data length incorrectly. 3478 */ 3479 if (data_len > data->alloc_len) { 3480 xpt_print_path(periph->path); 3481 printf("allocated modepage %d length %d < returned " 3482 "length %d\n", page, data->alloc_len, data_len); 3483 3484 error = ENOSPC; 3485 } 3486 } 3487 return (error); 3488 } 3489 3490 /* 3491 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3492 * routine. See comments in cd6byteworkaround() for details. 3493 */ 3494 static int 3495 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3496 { 3497 struct ccb_scsiio *csio; 3498 struct cd_softc *softc; 3499 union ccb *ccb; 3500 int cdb_size, param_len; 3501 int error; 3502 3503 softc = (struct cd_softc *)periph->softc; 3504 3505 ccb = cdgetccb(periph, /* priority */ 1); 3506 3507 csio = &ccb->csio; 3508 3509 error = 0; 3510 3511 /* 3512 * If the data is formatted for the 10 byte version of the mode 3513 * select parameter list, we need to use the 10 byte CDB. 3514 * Otherwise, we use whatever the stored minimum command size. 3515 */ 3516 if (data->cdb_size == 10) 3517 cdb_size = data->cdb_size; 3518 else 3519 cdb_size = softc->minimum_command_size; 3520 3521 if (cdb_size >= 10) { 3522 struct scsi_mode_header_10 *mode_header; 3523 u_int32_t data_len; 3524 3525 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3526 3527 data_len = scsi_2btoul(mode_header->data_length); 3528 3529 scsi_ulto2b(0, mode_header->data_length); 3530 /* 3531 * SONY drives do not allow a mode select with a medium_type 3532 * value that has just been returned by a mode sense; use a 3533 * medium_type of 0 (Default) instead. 3534 */ 3535 mode_header->medium_type = 0; 3536 3537 /* 3538 * Pass back whatever the drive passed to us, plus the size 3539 * of the data length field. 3540 */ 3541 param_len = data_len + sizeof(mode_header->data_length); 3542 3543 } else { 3544 struct scsi_mode_header_6 *mode_header; 3545 3546 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3547 3548 param_len = mode_header->data_length + 1; 3549 3550 mode_header->data_length = 0; 3551 /* 3552 * SONY drives do not allow a mode select with a medium_type 3553 * value that has just been returned by a mode sense; use a 3554 * medium_type of 0 (Default) instead. 3555 */ 3556 mode_header->medium_type = 0; 3557 } 3558 3559 /* Don't say we've got more room than we actually allocated */ 3560 param_len = min(param_len, data->alloc_len); 3561 3562 scsi_mode_select_len(csio, 3563 /* retries */ 1, 3564 /* cbfcnp */ cddone, 3565 /* tag_action */ MSG_SIMPLE_Q_TAG, 3566 /* scsi_page_fmt */ 1, 3567 /* save_pages */ 0, 3568 /* param_buf */ data->mode_buf, 3569 /* param_len */ param_len, 3570 /* minimum_cmd_size */ cdb_size, 3571 /* sense_len */ SSD_FULL_SIZE, 3572 /* timeout */ 50000); 3573 3574 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3575 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3576 3577 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3578 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3579 3580 xpt_release_ccb(ccb); 3581 3582 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3583 3584 return (error); 3585 } 3586 3587 3588 3589 static int 3590 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3591 { 3592 struct ccb_scsiio *csio; 3593 union ccb *ccb; 3594 int error; 3595 u_int8_t cdb_len; 3596 3597 error = 0; 3598 ccb = cdgetccb(periph, /* priority */ 1); 3599 csio = &ccb->csio; 3600 /* 3601 * Use the smallest possible command to perform the operation. 3602 */ 3603 if ((len & 0xffff0000) == 0) { 3604 /* 3605 * We can fit in a 10 byte cdb. 3606 */ 3607 struct scsi_play_10 *scsi_cmd; 3608 3609 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3610 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3611 scsi_cmd->op_code = PLAY_10; 3612 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3613 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3614 cdb_len = sizeof(*scsi_cmd); 3615 } else { 3616 struct scsi_play_12 *scsi_cmd; 3617 3618 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3619 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3620 scsi_cmd->op_code = PLAY_12; 3621 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3622 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3623 cdb_len = sizeof(*scsi_cmd); 3624 } 3625 cam_fill_csio(csio, 3626 /*retries*/2, 3627 cddone, 3628 /*flags*/CAM_DIR_NONE, 3629 MSG_SIMPLE_Q_TAG, 3630 /*dataptr*/NULL, 3631 /*datalen*/0, 3632 /*sense_len*/SSD_FULL_SIZE, 3633 cdb_len, 3634 /*timeout*/50 * 1000); 3635 3636 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3637 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3638 3639 xpt_release_ccb(ccb); 3640 3641 return(error); 3642 } 3643 3644 static int 3645 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3646 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3647 { 3648 struct scsi_play_msf *scsi_cmd; 3649 struct ccb_scsiio *csio; 3650 union ccb *ccb; 3651 int error; 3652 3653 error = 0; 3654 3655 ccb = cdgetccb(periph, /* priority */ 1); 3656 3657 csio = &ccb->csio; 3658 3659 cam_fill_csio(csio, 3660 /* retries */ 1, 3661 /* cbfcnp */ cddone, 3662 /* flags */ CAM_DIR_NONE, 3663 /* tag_action */ MSG_SIMPLE_Q_TAG, 3664 /* data_ptr */ NULL, 3665 /* dxfer_len */ 0, 3666 /* sense_len */ SSD_FULL_SIZE, 3667 sizeof(struct scsi_play_msf), 3668 /* timeout */ 50000); 3669 3670 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3671 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3672 3673 scsi_cmd->op_code = PLAY_MSF; 3674 scsi_cmd->start_m = startm; 3675 scsi_cmd->start_s = starts; 3676 scsi_cmd->start_f = startf; 3677 scsi_cmd->end_m = endm; 3678 scsi_cmd->end_s = ends; 3679 scsi_cmd->end_f = endf; 3680 3681 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3682 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3683 3684 xpt_release_ccb(ccb); 3685 3686 return(error); 3687 } 3688 3689 3690 static int 3691 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3692 u_int32_t etrack, u_int32_t eindex) 3693 { 3694 struct scsi_play_track *scsi_cmd; 3695 struct ccb_scsiio *csio; 3696 union ccb *ccb; 3697 int error; 3698 3699 error = 0; 3700 3701 ccb = cdgetccb(periph, /* priority */ 1); 3702 3703 csio = &ccb->csio; 3704 3705 cam_fill_csio(csio, 3706 /* retries */ 1, 3707 /* cbfcnp */ cddone, 3708 /* flags */ CAM_DIR_NONE, 3709 /* tag_action */ MSG_SIMPLE_Q_TAG, 3710 /* data_ptr */ NULL, 3711 /* dxfer_len */ 0, 3712 /* sense_len */ SSD_FULL_SIZE, 3713 sizeof(struct scsi_play_track), 3714 /* timeout */ 50000); 3715 3716 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3717 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3718 3719 scsi_cmd->op_code = PLAY_TRACK; 3720 scsi_cmd->start_track = strack; 3721 scsi_cmd->start_index = sindex; 3722 scsi_cmd->end_track = etrack; 3723 scsi_cmd->end_index = eindex; 3724 3725 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3726 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3727 3728 xpt_release_ccb(ccb); 3729 3730 return(error); 3731 } 3732 3733 static int 3734 cdpause(struct cam_periph *periph, u_int32_t go) 3735 { 3736 struct scsi_pause *scsi_cmd; 3737 struct ccb_scsiio *csio; 3738 union ccb *ccb; 3739 int error; 3740 3741 error = 0; 3742 3743 ccb = cdgetccb(periph, /* priority */ 1); 3744 3745 csio = &ccb->csio; 3746 3747 cam_fill_csio(csio, 3748 /* retries */ 1, 3749 /* cbfcnp */ cddone, 3750 /* flags */ CAM_DIR_NONE, 3751 /* tag_action */ MSG_SIMPLE_Q_TAG, 3752 /* data_ptr */ NULL, 3753 /* dxfer_len */ 0, 3754 /* sense_len */ SSD_FULL_SIZE, 3755 sizeof(struct scsi_pause), 3756 /* timeout */ 50000); 3757 3758 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3759 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3760 3761 scsi_cmd->op_code = PAUSE; 3762 scsi_cmd->resume = go; 3763 3764 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3765 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3766 3767 xpt_release_ccb(ccb); 3768 3769 return(error); 3770 } 3771 3772 static int 3773 cdstartunit(struct cam_periph *periph, int load) 3774 { 3775 union ccb *ccb; 3776 int error; 3777 3778 error = 0; 3779 3780 ccb = cdgetccb(periph, /* priority */ 1); 3781 3782 scsi_start_stop(&ccb->csio, 3783 /* retries */ 1, 3784 /* cbfcnp */ cddone, 3785 /* tag_action */ MSG_SIMPLE_Q_TAG, 3786 /* start */ TRUE, 3787 /* load_eject */ load, 3788 /* immediate */ FALSE, 3789 /* sense_len */ SSD_FULL_SIZE, 3790 /* timeout */ 50000); 3791 3792 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3793 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3794 3795 xpt_release_ccb(ccb); 3796 3797 return(error); 3798 } 3799 3800 static int 3801 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3802 { 3803 union ccb *ccb; 3804 int error; 3805 3806 error = 0; 3807 3808 ccb = cdgetccb(periph, /* priority */ 1); 3809 3810 scsi_start_stop(&ccb->csio, 3811 /* retries */ 1, 3812 /* cbfcnp */ cddone, 3813 /* tag_action */ MSG_SIMPLE_Q_TAG, 3814 /* start */ FALSE, 3815 /* load_eject */ eject, 3816 /* immediate */ FALSE, 3817 /* sense_len */ SSD_FULL_SIZE, 3818 /* timeout */ 50000); 3819 3820 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3821 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3822 3823 xpt_release_ccb(ccb); 3824 3825 return(error); 3826 } 3827 3828 static int 3829 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3830 { 3831 struct scsi_set_speed *scsi_cmd; 3832 struct ccb_scsiio *csio; 3833 union ccb *ccb; 3834 int error; 3835 3836 error = 0; 3837 ccb = cdgetccb(periph, /* priority */ 1); 3838 csio = &ccb->csio; 3839 3840 /* Preserve old behavior: units in multiples of CDROM speed */ 3841 if (rdspeed < 177) 3842 rdspeed *= 177; 3843 if (wrspeed < 177) 3844 wrspeed *= 177; 3845 3846 cam_fill_csio(csio, 3847 /* retries */ 1, 3848 /* cbfcnp */ cddone, 3849 /* flags */ CAM_DIR_NONE, 3850 /* tag_action */ MSG_SIMPLE_Q_TAG, 3851 /* data_ptr */ NULL, 3852 /* dxfer_len */ 0, 3853 /* sense_len */ SSD_FULL_SIZE, 3854 sizeof(struct scsi_set_speed), 3855 /* timeout */ 50000); 3856 3857 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3858 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3859 3860 scsi_cmd->opcode = SET_CD_SPEED; 3861 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3862 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3863 3864 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3865 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3866 3867 xpt_release_ccb(ccb); 3868 3869 return(error); 3870 } 3871 3872 static int 3873 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3874 { 3875 union ccb *ccb; 3876 u_int8_t *databuf; 3877 u_int32_t lba; 3878 int error; 3879 int length; 3880 3881 error = 0; 3882 databuf = NULL; 3883 lba = 0; 3884 3885 ccb = cdgetccb(periph, /* priority */ 1); 3886 3887 switch (authinfo->format) { 3888 case DVD_REPORT_AGID: 3889 length = sizeof(struct scsi_report_key_data_agid); 3890 break; 3891 case DVD_REPORT_CHALLENGE: 3892 length = sizeof(struct scsi_report_key_data_challenge); 3893 break; 3894 case DVD_REPORT_KEY1: 3895 length = sizeof(struct scsi_report_key_data_key1_key2); 3896 break; 3897 case DVD_REPORT_TITLE_KEY: 3898 length = sizeof(struct scsi_report_key_data_title); 3899 /* The lba field is only set for the title key */ 3900 lba = authinfo->lba; 3901 break; 3902 case DVD_REPORT_ASF: 3903 length = sizeof(struct scsi_report_key_data_asf); 3904 break; 3905 case DVD_REPORT_RPC: 3906 length = sizeof(struct scsi_report_key_data_rpc); 3907 break; 3908 case DVD_INVALIDATE_AGID: 3909 length = 0; 3910 break; 3911 default: 3912 error = EINVAL; 3913 goto bailout; 3914 break; /* NOTREACHED */ 3915 } 3916 3917 if (length != 0) { 3918 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3919 } else { 3920 databuf = NULL; 3921 } 3922 3923 3924 scsi_report_key(&ccb->csio, 3925 /* retries */ 1, 3926 /* cbfcnp */ cddone, 3927 /* tag_action */ MSG_SIMPLE_Q_TAG, 3928 /* lba */ lba, 3929 /* agid */ authinfo->agid, 3930 /* key_format */ authinfo->format, 3931 /* data_ptr */ databuf, 3932 /* dxfer_len */ length, 3933 /* sense_len */ SSD_FULL_SIZE, 3934 /* timeout */ 50000); 3935 3936 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3937 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3938 3939 if (error != 0) 3940 goto bailout; 3941 3942 if (ccb->csio.resid != 0) { 3943 xpt_print_path(periph->path); 3944 printf("warning, residual for report key command is %d\n", 3945 ccb->csio.resid); 3946 } 3947 3948 switch(authinfo->format) { 3949 case DVD_REPORT_AGID: { 3950 struct scsi_report_key_data_agid *agid_data; 3951 3952 agid_data = (struct scsi_report_key_data_agid *)databuf; 3953 3954 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3955 RKD_AGID_SHIFT; 3956 break; 3957 } 3958 case DVD_REPORT_CHALLENGE: { 3959 struct scsi_report_key_data_challenge *chal_data; 3960 3961 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3962 3963 bcopy(chal_data->challenge_key, authinfo->keychal, 3964 min(sizeof(chal_data->challenge_key), 3965 sizeof(authinfo->keychal))); 3966 break; 3967 } 3968 case DVD_REPORT_KEY1: { 3969 struct scsi_report_key_data_key1_key2 *key1_data; 3970 3971 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3972 3973 bcopy(key1_data->key1, authinfo->keychal, 3974 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3975 break; 3976 } 3977 case DVD_REPORT_TITLE_KEY: { 3978 struct scsi_report_key_data_title *title_data; 3979 3980 title_data = (struct scsi_report_key_data_title *)databuf; 3981 3982 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3983 RKD_TITLE_CPM_SHIFT; 3984 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3985 RKD_TITLE_CP_SEC_SHIFT; 3986 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3987 RKD_TITLE_CMGS_SHIFT; 3988 bcopy(title_data->title_key, authinfo->keychal, 3989 min(sizeof(title_data->title_key), 3990 sizeof(authinfo->keychal))); 3991 break; 3992 } 3993 case DVD_REPORT_ASF: { 3994 struct scsi_report_key_data_asf *asf_data; 3995 3996 asf_data = (struct scsi_report_key_data_asf *)databuf; 3997 3998 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3999 break; 4000 } 4001 case DVD_REPORT_RPC: { 4002 struct scsi_report_key_data_rpc *rpc_data; 4003 4004 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 4005 4006 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 4007 RKD_RPC_TYPE_SHIFT; 4008 authinfo->vend_rsts = 4009 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 4010 RKD_RPC_VENDOR_RESET_SHIFT; 4011 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4012 authinfo->region = rpc_data->region_mask; 4013 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4014 break; 4015 } 4016 case DVD_INVALIDATE_AGID: 4017 break; 4018 default: 4019 /* This should be impossible, since we checked above */ 4020 error = EINVAL; 4021 goto bailout; 4022 break; /* NOTREACHED */ 4023 } 4024 bailout: 4025 if (databuf != NULL) 4026 free(databuf, M_DEVBUF); 4027 4028 xpt_release_ccb(ccb); 4029 4030 return(error); 4031 } 4032 4033 static int 4034 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4035 { 4036 union ccb *ccb; 4037 u_int8_t *databuf; 4038 int length; 4039 int error; 4040 4041 error = 0; 4042 databuf = NULL; 4043 4044 ccb = cdgetccb(periph, /* priority */ 1); 4045 4046 switch(authinfo->format) { 4047 case DVD_SEND_CHALLENGE: { 4048 struct scsi_report_key_data_challenge *challenge_data; 4049 4050 length = sizeof(*challenge_data); 4051 4052 challenge_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4053 4054 databuf = (u_int8_t *)challenge_data; 4055 4056 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4057 challenge_data->data_len); 4058 4059 bcopy(authinfo->keychal, challenge_data->challenge_key, 4060 min(sizeof(authinfo->keychal), 4061 sizeof(challenge_data->challenge_key))); 4062 break; 4063 } 4064 case DVD_SEND_KEY2: { 4065 struct scsi_report_key_data_key1_key2 *key2_data; 4066 4067 length = sizeof(*key2_data); 4068 4069 key2_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4070 4071 databuf = (u_int8_t *)key2_data; 4072 4073 scsi_ulto2b(length - sizeof(key2_data->data_len), 4074 key2_data->data_len); 4075 4076 bcopy(authinfo->keychal, key2_data->key1, 4077 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4078 4079 break; 4080 } 4081 case DVD_SEND_RPC: { 4082 struct scsi_send_key_data_rpc *rpc_data; 4083 4084 length = sizeof(*rpc_data); 4085 4086 rpc_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4087 4088 databuf = (u_int8_t *)rpc_data; 4089 4090 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4091 rpc_data->data_len); 4092 4093 rpc_data->region_code = authinfo->region; 4094 break; 4095 } 4096 default: 4097 error = EINVAL; 4098 goto bailout; 4099 break; /* NOTREACHED */ 4100 } 4101 4102 scsi_send_key(&ccb->csio, 4103 /* retries */ 1, 4104 /* cbfcnp */ cddone, 4105 /* tag_action */ MSG_SIMPLE_Q_TAG, 4106 /* agid */ authinfo->agid, 4107 /* key_format */ authinfo->format, 4108 /* data_ptr */ databuf, 4109 /* dxfer_len */ length, 4110 /* sense_len */ SSD_FULL_SIZE, 4111 /* timeout */ 50000); 4112 4113 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4114 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4115 4116 bailout: 4117 4118 if (databuf != NULL) 4119 free(databuf, M_DEVBUF); 4120 4121 xpt_release_ccb(ccb); 4122 4123 return(error); 4124 } 4125 4126 static int 4127 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4128 { 4129 union ccb *ccb; 4130 u_int8_t *databuf; 4131 u_int32_t address; 4132 int error; 4133 int length; 4134 4135 error = 0; 4136 databuf = NULL; 4137 /* The address is reserved for many of the formats */ 4138 address = 0; 4139 4140 ccb = cdgetccb(periph, /* priority */ 1); 4141 4142 switch(dvdstruct->format) { 4143 case DVD_STRUCT_PHYSICAL: 4144 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4145 break; 4146 case DVD_STRUCT_COPYRIGHT: 4147 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4148 break; 4149 case DVD_STRUCT_DISCKEY: 4150 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4151 break; 4152 case DVD_STRUCT_BCA: 4153 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4154 break; 4155 case DVD_STRUCT_MANUFACT: 4156 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4157 break; 4158 case DVD_STRUCT_CMI: 4159 error = ENODEV; 4160 goto bailout; 4161 #ifdef notyet 4162 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4163 address = dvdstruct->address; 4164 #endif 4165 break; /* NOTREACHED */ 4166 case DVD_STRUCT_PROTDISCID: 4167 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4168 break; 4169 case DVD_STRUCT_DISCKEYBLOCK: 4170 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4171 break; 4172 case DVD_STRUCT_DDS: 4173 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4174 break; 4175 case DVD_STRUCT_MEDIUM_STAT: 4176 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4177 break; 4178 case DVD_STRUCT_SPARE_AREA: 4179 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4180 break; 4181 case DVD_STRUCT_RMD_LAST: 4182 error = ENODEV; 4183 goto bailout; 4184 #ifdef notyet 4185 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4186 address = dvdstruct->address; 4187 #endif 4188 break; /* NOTREACHED */ 4189 case DVD_STRUCT_RMD_RMA: 4190 error = ENODEV; 4191 goto bailout; 4192 #ifdef notyet 4193 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4194 address = dvdstruct->address; 4195 #endif 4196 break; /* NOTREACHED */ 4197 case DVD_STRUCT_PRERECORDED: 4198 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4199 break; 4200 case DVD_STRUCT_UNIQUEID: 4201 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4202 break; 4203 case DVD_STRUCT_DCB: 4204 error = ENODEV; 4205 goto bailout; 4206 #ifdef notyet 4207 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4208 address = dvdstruct->address; 4209 #endif 4210 break; /* NOTREACHED */ 4211 case DVD_STRUCT_LIST: 4212 /* 4213 * This is the maximum allocation length for the READ DVD 4214 * STRUCTURE command. There's nothing in the MMC3 spec 4215 * that indicates a limit in the amount of data that can 4216 * be returned from this call, other than the limits 4217 * imposed by the 2-byte length variables. 4218 */ 4219 length = 65535; 4220 break; 4221 default: 4222 error = EINVAL; 4223 goto bailout; 4224 break; /* NOTREACHED */ 4225 } 4226 4227 if (length != 0) { 4228 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4229 } else { 4230 databuf = NULL; 4231 } 4232 4233 scsi_read_dvd_structure(&ccb->csio, 4234 /* retries */ 1, 4235 /* cbfcnp */ cddone, 4236 /* tag_action */ MSG_SIMPLE_Q_TAG, 4237 /* lba */ address, 4238 /* layer_number */ dvdstruct->layer_num, 4239 /* key_format */ dvdstruct->format, 4240 /* agid */ dvdstruct->agid, 4241 /* data_ptr */ databuf, 4242 /* dxfer_len */ length, 4243 /* sense_len */ SSD_FULL_SIZE, 4244 /* timeout */ 50000); 4245 4246 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4247 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4248 4249 if (error != 0) 4250 goto bailout; 4251 4252 switch(dvdstruct->format) { 4253 case DVD_STRUCT_PHYSICAL: { 4254 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4255 struct dvd_layer *outlayer; 4256 struct scsi_read_dvd_struct_data_physical *phys_data; 4257 4258 phys_data = 4259 (struct scsi_read_dvd_struct_data_physical *)databuf; 4260 inlayer = &phys_data->layer_desc; 4261 outlayer = (struct dvd_layer *)&dvdstruct->data; 4262 4263 dvdstruct->length = sizeof(*inlayer); 4264 4265 outlayer->book_type = (inlayer->book_type_version & 4266 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4267 outlayer->book_version = (inlayer->book_type_version & 4268 RDSD_BOOK_VERSION_MASK); 4269 outlayer->disc_size = (inlayer->disc_size_max_rate & 4270 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4271 outlayer->max_rate = (inlayer->disc_size_max_rate & 4272 RDSD_MAX_RATE_MASK); 4273 outlayer->nlayers = (inlayer->layer_info & 4274 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4275 outlayer->track_path = (inlayer->layer_info & 4276 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4277 outlayer->layer_type = (inlayer->layer_info & 4278 RDSD_LAYER_TYPE_MASK); 4279 outlayer->linear_density = (inlayer->density & 4280 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4281 outlayer->track_density = (inlayer->density & 4282 RDSD_TRACK_DENSITY_MASK); 4283 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4284 RDSD_BCA_SHIFT; 4285 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4286 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4287 outlayer->end_sector_l0 = 4288 scsi_3btoul(inlayer->end_sector_layer0); 4289 break; 4290 } 4291 case DVD_STRUCT_COPYRIGHT: { 4292 struct scsi_read_dvd_struct_data_copyright *copy_data; 4293 4294 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4295 databuf; 4296 4297 dvdstruct->cpst = copy_data->cps_type; 4298 dvdstruct->rmi = copy_data->region_info; 4299 dvdstruct->length = 0; 4300 4301 break; 4302 } 4303 default: 4304 /* 4305 * Tell the user what the overall length is, no matter 4306 * what we can actually fit in the data buffer. 4307 */ 4308 dvdstruct->length = length - ccb->csio.resid - 4309 sizeof(struct scsi_read_dvd_struct_data_header); 4310 4311 /* 4312 * But only actually copy out the smaller of what we read 4313 * in or what the structure can take. 4314 */ 4315 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4316 dvdstruct->data, 4317 min(sizeof(dvdstruct->data), dvdstruct->length)); 4318 break; 4319 } 4320 bailout: 4321 4322 if (databuf != NULL) 4323 free(databuf, M_DEVBUF); 4324 4325 xpt_release_ccb(ccb); 4326 4327 return(error); 4328 } 4329 4330 void 4331 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4332 void (*cbfcnp)(struct cam_periph *, union ccb *), 4333 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4334 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4335 u_int8_t sense_len, u_int32_t timeout) 4336 { 4337 struct scsi_report_key *scsi_cmd; 4338 4339 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4340 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4341 scsi_cmd->opcode = REPORT_KEY; 4342 scsi_ulto4b(lba, scsi_cmd->lba); 4343 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4344 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4345 (key_format & RK_KF_KEYFORMAT_MASK); 4346 4347 cam_fill_csio(csio, 4348 retries, 4349 cbfcnp, 4350 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4351 tag_action, 4352 /*data_ptr*/ data_ptr, 4353 /*dxfer_len*/ dxfer_len, 4354 sense_len, 4355 sizeof(*scsi_cmd), 4356 timeout); 4357 } 4358 4359 void 4360 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4361 void (*cbfcnp)(struct cam_periph *, union ccb *), 4362 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4363 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4364 u_int32_t timeout) 4365 { 4366 struct scsi_send_key *scsi_cmd; 4367 4368 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4369 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4370 scsi_cmd->opcode = SEND_KEY; 4371 4372 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4373 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4374 (key_format & RK_KF_KEYFORMAT_MASK); 4375 4376 cam_fill_csio(csio, 4377 retries, 4378 cbfcnp, 4379 /*flags*/ CAM_DIR_OUT, 4380 tag_action, 4381 /*data_ptr*/ data_ptr, 4382 /*dxfer_len*/ dxfer_len, 4383 sense_len, 4384 sizeof(*scsi_cmd), 4385 timeout); 4386 } 4387 4388 4389 void 4390 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4391 void (*cbfcnp)(struct cam_periph *, union ccb *), 4392 u_int8_t tag_action, u_int32_t address, 4393 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4394 u_int8_t *data_ptr, u_int32_t dxfer_len, 4395 u_int8_t sense_len, u_int32_t timeout) 4396 { 4397 struct scsi_read_dvd_structure *scsi_cmd; 4398 4399 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4400 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4401 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4402 4403 scsi_ulto4b(address, scsi_cmd->address); 4404 scsi_cmd->layer_number = layer_number; 4405 scsi_cmd->format = format; 4406 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4407 /* The AGID is the top two bits of this byte */ 4408 scsi_cmd->agid = agid << 6; 4409 4410 cam_fill_csio(csio, 4411 retries, 4412 cbfcnp, 4413 /*flags*/ CAM_DIR_IN, 4414 tag_action, 4415 /*data_ptr*/ data_ptr, 4416 /*dxfer_len*/ dxfer_len, 4417 sense_len, 4418 sizeof(*scsi_cmd), 4419 timeout); 4420 } 4421