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 1.11 2004/02/16 19:43:28 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 /* autoq */ 0, 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_handle short_handle; 353 struct callout_handle 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 untimeout(cdshorttimeout, softc->changer, 507 softc->changer->short_handle); 508 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 509 } 510 softc->changer->devq.qfrozen_cnt--; 511 softc->changer->flags |= CHANGER_MANUAL_CALL; 512 cdrunchangerqueue(softc->changer); 513 } 514 515 /* 516 * If we're removing the last device on the changer, go ahead and 517 * remove the changer device structure. 518 */ 519 if ((softc->flags & CD_FLAG_CHANGER) 520 && (--softc->changer->num_devices == 0)) { 521 522 /* 523 * Theoretically, there shouldn't be any timeouts left, but 524 * I'm not completely sure that that will be the case. So, 525 * it won't hurt to check and see if there are any left. 526 */ 527 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 528 untimeout(cdrunchangerqueue, softc->changer, 529 softc->changer->long_handle); 530 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 531 } 532 533 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 534 untimeout(cdshorttimeout, softc->changer, 535 softc->changer->short_handle); 536 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 537 } 538 539 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 540 changer_links); 541 xpt_print_path(periph->path); 542 printf("removing changer entry\n"); 543 free(softc->changer, M_DEVBUF); 544 num_changers--; 545 } 546 devstat_remove_entry(&softc->device_stats); 547 cam_extend_release(cdperiphs, periph->unit_number); 548 if (softc->disk.d_dev) { 549 disk_destroy(&softc->disk); 550 } 551 free(softc, M_DEVBUF); 552 splx(s); 553 } 554 555 static void 556 cdasync(void *callback_arg, u_int32_t code, 557 struct cam_path *path, void *arg) 558 { 559 struct cam_periph *periph; 560 561 periph = (struct cam_periph *)callback_arg; 562 switch (code) { 563 case AC_FOUND_DEVICE: 564 { 565 struct ccb_getdev *cgd; 566 cam_status status; 567 568 cgd = (struct ccb_getdev *)arg; 569 570 if (SID_TYPE(&cgd->inq_data) != T_CDROM 571 && SID_TYPE(&cgd->inq_data) != T_WORM) 572 break; 573 574 /* 575 * Allocate a peripheral instance for 576 * this device and start the probe 577 * process. 578 */ 579 status = cam_periph_alloc(cdregister, cdoninvalidate, 580 cdcleanup, cdstart, 581 "cd", CAM_PERIPH_BIO, 582 cgd->ccb_h.path, cdasync, 583 AC_FOUND_DEVICE, cgd); 584 585 if (status != CAM_REQ_CMP 586 && status != CAM_REQ_INPROG) 587 printf("cdasync: Unable to attach new device " 588 "due to status 0x%x\n", status); 589 590 break; 591 } 592 case AC_SENT_BDR: 593 case AC_BUS_RESET: 594 { 595 struct cd_softc *softc; 596 struct ccb_hdr *ccbh; 597 int s; 598 599 softc = (struct cd_softc *)periph->softc; 600 s = splsoftcam(); 601 /* 602 * Don't fail on the expected unit attention 603 * that will occur. 604 */ 605 softc->flags |= CD_FLAG_RETRY_UA; 606 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 607 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 608 ccbh->ccb_state |= CD_CCB_RETRY_UA; 609 splx(s); 610 /* FALLTHROUGH */ 611 } 612 default: 613 cam_periph_async(periph, code, path, arg); 614 break; 615 } 616 } 617 618 static void 619 cdsysctlinit(void *context, int pending) 620 { 621 struct cam_periph *periph; 622 struct cd_softc *softc; 623 char tmpstr[80], tmpstr2[80]; 624 625 periph = (struct cam_periph *)context; 626 softc = (struct cd_softc *)periph->softc; 627 628 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 629 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 630 631 sysctl_ctx_init(&softc->sysctl_ctx); 632 softc->flags |= CD_FLAG_SCTX_INIT; 633 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 634 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 635 tmpstr2, CTLFLAG_RD, 0, tmpstr); 636 637 if (softc->sysctl_tree == NULL) { 638 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 639 return; 640 } 641 642 /* 643 * Now register the sysctl handler, so the user can the value on 644 * the fly. 645 */ 646 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 647 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 648 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 649 "Minimum CDB size"); 650 } 651 652 /* 653 * We have a handler function for this so we can check the values when the 654 * user sets them, instead of every time we look at them. 655 */ 656 static int 657 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 658 { 659 int error, value; 660 661 value = *(int *)arg1; 662 663 error = sysctl_handle_int(oidp, &value, 0, req); 664 665 if ((error != 0) || (req->newptr == NULL)) 666 return (error); 667 668 /* 669 * The only real values we can have here are 6 or 10. I don't 670 * really forsee having 12 be an option at any time in the future. 671 * So if the user sets something less than or equal to 6, we'll set 672 * it to 6. If he sets something greater than 6, we'll set it to 10. 673 * 674 * I suppose we could just return an error here for the wrong values, 675 * but I don't think it's necessary to do so, as long as we can 676 * determine the user's intent without too much trouble. 677 */ 678 if (value < 6) 679 value = 6; 680 else if (value > 6) 681 value = 10; 682 683 *(int *)arg1 = value; 684 685 return (0); 686 } 687 688 689 static cam_status 690 cdregister(struct cam_periph *periph, void *arg) 691 { 692 struct cd_softc *softc; 693 struct ccb_setasync csa; 694 struct ccb_pathinq cpi; 695 struct ccb_getdev *cgd; 696 char tmpstr[80]; 697 caddr_t match; 698 699 cgd = (struct ccb_getdev *)arg; 700 if (periph == NULL) { 701 printf("cdregister: periph was NULL!!\n"); 702 return(CAM_REQ_CMP_ERR); 703 } 704 if (cgd == NULL) { 705 printf("cdregister: no getdev CCB, can't register device\n"); 706 return(CAM_REQ_CMP_ERR); 707 } 708 709 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); 710 711 if (softc == NULL) { 712 printf("cdregister: Unable to probe new device. " 713 "Unable to allocate softc\n"); 714 return(CAM_REQ_CMP_ERR); 715 } 716 717 bzero(softc, sizeof(*softc)); 718 LIST_INIT(&softc->pending_ccbs); 719 STAILQ_INIT(&softc->mode_queue); 720 softc->state = CD_STATE_PROBE; 721 bufq_init(&softc->buf_queue); 722 if (SID_IS_REMOVABLE(&cgd->inq_data)) 723 softc->flags |= CD_FLAG_DISC_REMOVABLE; 724 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 725 softc->flags |= CD_FLAG_TAGGED_QUEUING; 726 727 periph->softc = softc; 728 softc->periph = periph; 729 730 cam_extend_set(cdperiphs, periph->unit_number, periph); 731 732 /* 733 * See if this device has any quirks. 734 */ 735 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 736 (caddr_t)cd_quirk_table, 737 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 738 sizeof(*cd_quirk_table), scsi_inquiry_match); 739 740 if (match != NULL) 741 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 742 else 743 softc->quirks = CD_Q_NONE; 744 745 /* Check if the SIM does not want 6 byte commands */ 746 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 747 cpi.ccb_h.func_code = XPT_PATH_INQ; 748 xpt_action((union ccb *)&cpi); 749 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 750 softc->quirks |= CD_Q_10_BYTE_ONLY; 751 752 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 753 754 /* The default is 6 byte commands, unless quirked otherwise */ 755 if (softc->quirks & CD_Q_10_BYTE_ONLY) 756 softc->minimum_command_size = 10; 757 else 758 softc->minimum_command_size = 6; 759 760 /* 761 * Load the user's default, if any. 762 */ 763 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 764 periph->unit_number); 765 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 766 767 /* 6 and 10 are the only permissible values here. */ 768 if (softc->minimum_command_size < 6) 769 softc->minimum_command_size = 6; 770 else if (softc->minimum_command_size > 6) 771 softc->minimum_command_size = 10; 772 773 /* 774 * We need to register the statistics structure for this device, 775 * but we don't have the blocksize yet for it. So, we register 776 * the structure and indicate that we don't have the blocksize 777 * yet. Unlike other SCSI peripheral drivers, we explicitly set 778 * the device type here to be CDROM, rather than just ORing in 779 * the device type. This is because this driver can attach to either 780 * CDROM or WORM devices, and we want this peripheral driver to 781 * show up in the devstat list as a CD peripheral driver, not a 782 * WORM peripheral driver. WORM drives will also have the WORM 783 * driver attached to them. 784 */ 785 devstat_add_entry(&softc->device_stats, "cd", 786 periph->unit_number, 0, 787 DEVSTAT_BS_UNAVAILABLE, 788 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 789 DEVSTAT_PRIORITY_CD); 790 disk_create(periph->unit_number, &softc->disk, 791 DSO_ONESLICE | DSO_COMPATLABEL, &cd_cdevsw); 792 793 /* 794 * Add an async callback so that we get 795 * notified if this device goes away. 796 */ 797 xpt_setup_ccb(&csa.ccb_h, periph->path, 798 /* priority */ 5); 799 csa.ccb_h.func_code = XPT_SASYNC_CB; 800 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 801 csa.callback = cdasync; 802 csa.callback_arg = periph; 803 xpt_action((union ccb *)&csa); 804 805 /* 806 * If the target lun is greater than 0, we most likely have a CD 807 * changer device. Check the quirk entries as well, though, just 808 * in case someone has a CD tower with one lun per drive or 809 * something like that. Also, if we know up front that a 810 * particular device is a changer, we can mark it as such starting 811 * with lun 0, instead of lun 1. It shouldn't be necessary to have 812 * a quirk entry to define something as a changer, however. 813 */ 814 if (((cgd->ccb_h.target_lun > 0) 815 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 816 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 817 struct cdchanger *nchanger; 818 struct cam_periph *nperiph; 819 struct cam_path *path; 820 cam_status status; 821 int found; 822 823 /* Set the changer flag in the current device's softc */ 824 softc->flags |= CD_FLAG_CHANGER; 825 826 if (num_changers == 0) 827 STAILQ_INIT(&changerq); 828 829 /* 830 * Now, look around for an existing changer device with the 831 * same path and target ID as the current device. 832 */ 833 for (found = 0, 834 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 835 nchanger != NULL; 836 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 837 if ((nchanger->path_id == cgd->ccb_h.path_id) 838 && (nchanger->target_id == cgd->ccb_h.target_id)) { 839 found = 1; 840 break; 841 } 842 } 843 844 /* 845 * If we found a matching entry, just add this device to 846 * the list of devices on this changer. 847 */ 848 if (found == 1) { 849 struct chdevlist *chlunhead; 850 851 chlunhead = &nchanger->chluns; 852 853 /* 854 * XXX KDM look at consolidating this code with the 855 * code below in a separate function. 856 */ 857 858 /* 859 * Create a path with lun id 0, and see if we can 860 * find a matching device 861 */ 862 status = xpt_create_path(&path, /*periph*/ periph, 863 cgd->ccb_h.path_id, 864 cgd->ccb_h.target_id, 0); 865 866 if ((status == CAM_REQ_CMP) 867 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 868 struct cd_softc *nsoftc; 869 870 nsoftc = (struct cd_softc *)nperiph->softc; 871 872 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 873 nsoftc->flags |= CD_FLAG_CHANGER; 874 nchanger->num_devices++; 875 if (camq_resize(&nchanger->devq, 876 nchanger->num_devices)!=CAM_REQ_CMP){ 877 printf("cdregister: " 878 "camq_resize " 879 "failed, changer " 880 "support may " 881 "be messed up\n"); 882 } 883 nsoftc->changer = nchanger; 884 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 885 886 STAILQ_INSERT_TAIL(&nchanger->chluns, 887 nsoftc,changer_links); 888 } 889 xpt_free_path(path); 890 } else if (status == CAM_REQ_CMP) 891 xpt_free_path(path); 892 else { 893 printf("cdregister: unable to allocate path\n" 894 "cdregister: changer support may be " 895 "broken\n"); 896 } 897 898 nchanger->num_devices++; 899 900 softc->changer = nchanger; 901 softc->pinfo.index = CAM_UNQUEUED_INDEX; 902 903 if (camq_resize(&nchanger->devq, 904 nchanger->num_devices) != CAM_REQ_CMP) { 905 printf("cdregister: camq_resize " 906 "failed, changer support may " 907 "be messed up\n"); 908 } 909 910 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 911 } 912 /* 913 * In this case, we don't already have an entry for this 914 * particular changer, so we need to create one, add it to 915 * the queue, and queue this device on the list for this 916 * changer. Before we queue this device, however, we need 917 * to search for lun id 0 on this target, and add it to the 918 * queue first, if it exists. (and if it hasn't already 919 * been marked as part of the changer.) 920 */ 921 else { 922 nchanger = malloc(sizeof(struct cdchanger), 923 M_DEVBUF, M_NOWAIT); 924 925 if (nchanger == NULL) { 926 softc->flags &= ~CD_FLAG_CHANGER; 927 printf("cdregister: unable to malloc " 928 "changer structure\ncdregister: " 929 "changer support disabled\n"); 930 931 /* 932 * Yes, gotos can be gross but in this case 933 * I think it's justified.. 934 */ 935 goto cdregisterexit; 936 } 937 938 /* zero the structure */ 939 bzero(nchanger, sizeof(struct cdchanger)); 940 941 if (camq_init(&nchanger->devq, 1) != 0) { 942 softc->flags &= ~CD_FLAG_CHANGER; 943 printf("cdregister: changer support " 944 "disabled\n"); 945 goto cdregisterexit; 946 } 947 948 num_changers++; 949 950 nchanger->path_id = cgd->ccb_h.path_id; 951 nchanger->target_id = cgd->ccb_h.target_id; 952 953 /* this is superfluous, but it makes things clearer */ 954 nchanger->num_devices = 0; 955 956 STAILQ_INIT(&nchanger->chluns); 957 958 STAILQ_INSERT_TAIL(&changerq, nchanger, 959 changer_links); 960 961 /* 962 * Create a path with lun id 0, and see if we can 963 * find a matching device 964 */ 965 status = xpt_create_path(&path, /*periph*/ periph, 966 cgd->ccb_h.path_id, 967 cgd->ccb_h.target_id, 0); 968 969 /* 970 * If we were able to allocate the path, and if we 971 * find a matching device and it isn't already 972 * marked as part of a changer, then we add it to 973 * the current changer. 974 */ 975 if ((status == CAM_REQ_CMP) 976 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 977 && ((((struct cd_softc *)periph->softc)->flags & 978 CD_FLAG_CHANGER) == 0)) { 979 struct cd_softc *nsoftc; 980 981 nsoftc = (struct cd_softc *)nperiph->softc; 982 983 nsoftc->flags |= CD_FLAG_CHANGER; 984 nchanger->num_devices++; 985 if (camq_resize(&nchanger->devq, 986 nchanger->num_devices) != CAM_REQ_CMP) { 987 printf("cdregister: camq_resize " 988 "failed, changer support may " 989 "be messed up\n"); 990 } 991 nsoftc->changer = nchanger; 992 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 993 994 STAILQ_INSERT_TAIL(&nchanger->chluns, 995 nsoftc, changer_links); 996 xpt_free_path(path); 997 } else if (status == CAM_REQ_CMP) 998 xpt_free_path(path); 999 else { 1000 printf("cdregister: unable to allocate path\n" 1001 "cdregister: changer support may be " 1002 "broken\n"); 1003 } 1004 1005 softc->changer = nchanger; 1006 softc->pinfo.index = CAM_UNQUEUED_INDEX; 1007 nchanger->num_devices++; 1008 if (camq_resize(&nchanger->devq, 1009 nchanger->num_devices) != CAM_REQ_CMP) { 1010 printf("cdregister: camq_resize " 1011 "failed, changer support may " 1012 "be messed up\n"); 1013 } 1014 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 1015 changer_links); 1016 } 1017 } 1018 1019 cdregisterexit: 1020 1021 /* Lock this peripheral until we are setup */ 1022 /* Can't block */ 1023 cam_periph_lock(periph, 0); 1024 1025 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1026 xpt_schedule(periph, /*priority*/5); 1027 else 1028 cdschedule(periph, /*priority*/ 5); 1029 1030 return(CAM_REQ_CMP); 1031 } 1032 1033 static int 1034 cdopen(dev_t dev, int flags, int fmt, struct thread *td) 1035 { 1036 struct cam_periph *periph; 1037 struct cd_softc *softc; 1038 int unit, error; 1039 int s; 1040 1041 unit = dkunit(dev); 1042 periph = cam_extend_get(cdperiphs, unit); 1043 1044 if (periph == NULL) 1045 return (ENXIO); 1046 1047 softc = (struct cd_softc *)periph->softc; 1048 1049 /* 1050 * Grab splsoftcam and hold it until we lock the peripheral. 1051 */ 1052 s = splsoftcam(); 1053 if (softc->flags & CD_FLAG_INVALID) { 1054 splx(s); 1055 return(ENXIO); 1056 } 1057 1058 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1059 splx(s); 1060 return (error); 1061 } 1062 1063 splx(s); 1064 1065 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1066 return(ENXIO); 1067 1068 /* 1069 * Check for media, and set the appropriate flags. We don't bail 1070 * if we don't have media, but then we don't allow anything but the 1071 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1072 * 1073 * XXX KDM for now, we do fail the open if we don't have media. We 1074 * can change this once we've figured out how to make the slice 1075 * code work well with media changing underneath it. 1076 */ 1077 error = cdcheckmedia(periph); 1078 1079 if (error == 0) 1080 softc->flags |= CD_FLAG_OPEN; 1081 1082 cam_periph_unlock(periph); 1083 1084 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1085 1086 return (error); 1087 } 1088 1089 static int 1090 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1091 { 1092 struct cam_periph *periph; 1093 struct cd_softc *softc; 1094 int unit, error; 1095 1096 unit = dkunit(dev); 1097 periph = cam_extend_get(cdperiphs, unit); 1098 if (periph == NULL) 1099 return (ENXIO); 1100 1101 softc = (struct cd_softc *)periph->softc; 1102 1103 if ((error = cam_periph_lock(periph, 0)) != 0) 1104 return (error); 1105 1106 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1107 cdprevent(periph, PR_ALLOW); 1108 1109 /* 1110 * Unconditionally set the dsopen() flags back to their default 1111 * state. 1112 */ 1113 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1114 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1115 1116 /* 1117 * Since we're closing this CD, mark the blocksize as unavailable. 1118 * It will be marked as available when the CD is opened again. 1119 */ 1120 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1121 1122 /* 1123 * We'll check the media and toc again at the next open(). 1124 */ 1125 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1126 1127 softc->flags &= ~CD_FLAG_OPEN; 1128 1129 cam_periph_unlock(periph); 1130 cam_periph_release(periph); 1131 1132 return (0); 1133 } 1134 1135 static void 1136 cdshorttimeout(void *arg) 1137 { 1138 struct cdchanger *changer; 1139 int s; 1140 1141 s = splsoftcam(); 1142 1143 changer = (struct cdchanger *)arg; 1144 1145 /* Always clear the short timeout flag, since that's what we're in */ 1146 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1147 1148 /* 1149 * Check to see if there is any more pending or outstanding I/O for 1150 * this device. If not, move it out of the active slot. 1151 */ 1152 if ((bufq_first(&changer->cur_device->buf_queue) == NULL) 1153 && (changer->cur_device->device_stats.busy_count == 0)) { 1154 changer->flags |= CHANGER_MANUAL_CALL; 1155 cdrunchangerqueue(changer); 1156 } 1157 1158 splx(s); 1159 } 1160 1161 /* 1162 * This is a wrapper for xpt_schedule. It only applies to changers. 1163 */ 1164 static void 1165 cdschedule(struct cam_periph *periph, int priority) 1166 { 1167 struct cd_softc *softc; 1168 int s; 1169 1170 s = splsoftcam(); 1171 1172 softc = (struct cd_softc *)periph->softc; 1173 1174 /* 1175 * If this device isn't currently queued, and if it isn't 1176 * the active device, then we queue this device and run the 1177 * changer queue if there is no timeout scheduled to do it. 1178 * If this device is the active device, just schedule it 1179 * to run again. If this device is queued, there should be 1180 * a timeout in place already that will make sure it runs. 1181 */ 1182 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1183 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1184 /* 1185 * We don't do anything with the priority here. 1186 * This is strictly a fifo queue. 1187 */ 1188 softc->pinfo.priority = 1; 1189 softc->pinfo.generation = ++softc->changer->devq.generation; 1190 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1191 1192 /* 1193 * Since we just put a device in the changer queue, 1194 * check and see if there is a timeout scheduled for 1195 * this changer. If so, let the timeout handle 1196 * switching this device into the active slot. If 1197 * not, manually call the timeout routine to 1198 * bootstrap things. 1199 */ 1200 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1201 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1202 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1203 softc->changer->flags |= CHANGER_MANUAL_CALL; 1204 cdrunchangerqueue(softc->changer); 1205 } 1206 } else if ((softc->flags & CD_FLAG_ACTIVE) 1207 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1208 xpt_schedule(periph, priority); 1209 1210 splx(s); 1211 1212 } 1213 1214 static void 1215 cdrunchangerqueue(void *arg) 1216 { 1217 struct cd_softc *softc; 1218 struct cdchanger *changer; 1219 int called_from_timeout; 1220 int s; 1221 1222 s = splsoftcam(); 1223 1224 changer = (struct cdchanger *)arg; 1225 1226 /* 1227 * If we have NOT been called from cdstrategy() or cddone(), and 1228 * instead from a timeout routine, go ahead and clear the 1229 * timeout flag. 1230 */ 1231 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1232 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1233 called_from_timeout = 1; 1234 } else 1235 called_from_timeout = 0; 1236 1237 /* Always clear the manual call flag */ 1238 changer->flags &= ~CHANGER_MANUAL_CALL; 1239 1240 /* nothing to do if the queue is empty */ 1241 if (changer->devq.entries <= 0) { 1242 splx(s); 1243 return; 1244 } 1245 1246 /* 1247 * If the changer queue is frozen, that means we have an active 1248 * device. 1249 */ 1250 if (changer->devq.qfrozen_cnt > 0) { 1251 1252 if (changer->cur_device->device_stats.busy_count > 0) { 1253 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1254 changer->cur_device->bufs_left = 1255 changer->cur_device->device_stats.busy_count; 1256 if (called_from_timeout) { 1257 changer->long_handle = 1258 timeout(cdrunchangerqueue, changer, 1259 changer_max_busy_seconds * hz); 1260 changer->flags |= CHANGER_TIMEOUT_SCHED; 1261 } 1262 splx(s); 1263 return; 1264 } 1265 1266 /* 1267 * We always need to reset the frozen count and clear the 1268 * active flag. 1269 */ 1270 changer->devq.qfrozen_cnt--; 1271 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1272 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1273 1274 /* 1275 * Check to see whether the current device has any I/O left 1276 * to do. If so, requeue it at the end of the queue. If 1277 * not, there is no need to requeue it. 1278 */ 1279 if (bufq_first(&changer->cur_device->buf_queue) != NULL) { 1280 1281 changer->cur_device->pinfo.generation = 1282 ++changer->devq.generation; 1283 camq_insert(&changer->devq, 1284 (cam_pinfo *)changer->cur_device); 1285 } 1286 } 1287 1288 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1289 1290 changer->cur_device = softc; 1291 1292 changer->devq.qfrozen_cnt++; 1293 softc->flags |= CD_FLAG_ACTIVE; 1294 1295 /* Just in case this device is waiting */ 1296 wakeup(&softc->changer); 1297 xpt_schedule(softc->periph, /*priority*/ 1); 1298 1299 /* 1300 * Get rid of any pending timeouts, and set a flag to schedule new 1301 * ones so this device gets its full time quantum. 1302 */ 1303 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1304 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1305 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1306 } 1307 1308 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1309 untimeout(cdshorttimeout, changer, changer->short_handle); 1310 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1311 } 1312 1313 /* 1314 * We need to schedule timeouts, but we only do this after the 1315 * first transaction has completed. This eliminates the changer 1316 * switch time. 1317 */ 1318 changer->flags |= CHANGER_NEED_TIMEOUT; 1319 1320 splx(s); 1321 } 1322 1323 static void 1324 cdchangerschedule(struct cd_softc *softc) 1325 { 1326 struct cdchanger *changer; 1327 int s; 1328 1329 s = splsoftcam(); 1330 1331 changer = softc->changer; 1332 1333 /* 1334 * If this is a changer, and this is the current device, 1335 * and this device has at least the minimum time quantum to 1336 * run, see if we can switch it out. 1337 */ 1338 if ((softc->flags & CD_FLAG_ACTIVE) 1339 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1340 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1341 /* 1342 * We try three things here. The first is that we 1343 * check to see whether the schedule on completion 1344 * flag is set. If it is, we decrement the number 1345 * of buffers left, and if it's zero, we reschedule. 1346 * Next, we check to see whether the pending buffer 1347 * queue is empty and whether there are no 1348 * outstanding transactions. If so, we reschedule. 1349 * Next, we see if the pending buffer queue is empty. 1350 * If it is, we set the number of buffers left to 1351 * the current active buffer count and set the 1352 * schedule on complete flag. 1353 */ 1354 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1355 if (--softc->bufs_left == 0) { 1356 softc->changer->flags |= 1357 CHANGER_MANUAL_CALL; 1358 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1359 cdrunchangerqueue(softc->changer); 1360 } 1361 } else if ((bufq_first(&softc->buf_queue) == NULL) 1362 && (softc->device_stats.busy_count == 0)) { 1363 softc->changer->flags |= CHANGER_MANUAL_CALL; 1364 cdrunchangerqueue(softc->changer); 1365 } 1366 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1367 && (softc->flags & CD_FLAG_ACTIVE)) { 1368 1369 /* 1370 * Now that the first transaction to this 1371 * particular device has completed, we can go ahead 1372 * and schedule our timeouts. 1373 */ 1374 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1375 changer->long_handle = 1376 timeout(cdrunchangerqueue, changer, 1377 changer_max_busy_seconds * hz); 1378 changer->flags |= CHANGER_TIMEOUT_SCHED; 1379 } else 1380 printf("cdchangerschedule: already have a long" 1381 " timeout!\n"); 1382 1383 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1384 changer->short_handle = 1385 timeout(cdshorttimeout, changer, 1386 changer_min_busy_seconds * hz); 1387 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1388 } else 1389 printf("cdchangerschedule: already have a short " 1390 "timeout!\n"); 1391 1392 /* 1393 * We just scheduled timeouts, no need to schedule 1394 * more. 1395 */ 1396 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1397 1398 } 1399 splx(s); 1400 } 1401 1402 static int 1403 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1404 u_int32_t cam_flags, 1405 u_int32_t sense_flags), 1406 u_int32_t cam_flags, u_int32_t sense_flags) 1407 { 1408 struct cd_softc *softc; 1409 struct cam_periph *periph; 1410 int error; 1411 1412 periph = xpt_path_periph(ccb->ccb_h.path); 1413 softc = (struct cd_softc *)periph->softc; 1414 1415 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1416 &softc->device_stats); 1417 1418 if (softc->flags & CD_FLAG_CHANGER) 1419 cdchangerschedule(softc); 1420 1421 return(error); 1422 } 1423 1424 static union ccb * 1425 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1426 { 1427 struct cd_softc *softc; 1428 int s; 1429 1430 softc = (struct cd_softc *)periph->softc; 1431 1432 if (softc->flags & CD_FLAG_CHANGER) { 1433 1434 s = splsoftcam(); 1435 1436 /* 1437 * This should work the first time this device is woken up, 1438 * but just in case it doesn't, we use a while loop. 1439 */ 1440 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1441 /* 1442 * If this changer isn't already queued, queue it up. 1443 */ 1444 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1445 softc->pinfo.priority = 1; 1446 softc->pinfo.generation = 1447 ++softc->changer->devq.generation; 1448 camq_insert(&softc->changer->devq, 1449 (cam_pinfo *)softc); 1450 } 1451 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1452 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1453 && ((softc->changer->flags 1454 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1455 softc->changer->flags |= CHANGER_MANUAL_CALL; 1456 cdrunchangerqueue(softc->changer); 1457 } else 1458 tsleep(&softc->changer, 0, "cgticb", 0); 1459 } 1460 splx(s); 1461 } 1462 return(cam_periph_getccb(periph, priority)); 1463 } 1464 1465 1466 /* 1467 * Actually translate the requested transfer into one the physical driver 1468 * can understand. The transfer is described by a buf and will include 1469 * only one physical transfer. 1470 */ 1471 static void 1472 cdstrategy(struct buf *bp) 1473 { 1474 struct cam_periph *periph; 1475 struct cd_softc *softc; 1476 u_int unit, part; 1477 int s; 1478 1479 unit = dkunit(bp->b_dev); 1480 part = dkpart(bp->b_dev); 1481 periph = cam_extend_get(cdperiphs, unit); 1482 if (periph == NULL) { 1483 bp->b_error = ENXIO; 1484 goto bad; 1485 } 1486 1487 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1488 1489 softc = (struct cd_softc *)periph->softc; 1490 1491 /* 1492 * Mask interrupts so that the pack cannot be invalidated until 1493 * after we are in the queue. Otherwise, we might not properly 1494 * clean up one of the buffers. 1495 */ 1496 s = splbio(); 1497 1498 /* 1499 * If the device has been made invalid, error out 1500 */ 1501 if ((softc->flags & CD_FLAG_INVALID)) { 1502 splx(s); 1503 bp->b_error = ENXIO; 1504 goto bad; 1505 } 1506 1507 /* 1508 * If we don't have valid media, look for it before trying to 1509 * schedule the I/O. 1510 */ 1511 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1512 int error; 1513 1514 error = cdcheckmedia(periph); 1515 if (error != 0) { 1516 splx(s); 1517 bp->b_error = error; 1518 goto bad; 1519 } 1520 } 1521 1522 /* 1523 * Place it in the queue of disk activities for this disk 1524 */ 1525 bufqdisksort(&softc->buf_queue, bp); 1526 1527 splx(s); 1528 1529 /* 1530 * Schedule ourselves for performing the work. We do things 1531 * differently for changers. 1532 */ 1533 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1534 xpt_schedule(periph, /* XXX priority */1); 1535 else 1536 cdschedule(periph, /* priority */ 1); 1537 1538 return; 1539 bad: 1540 bp->b_flags |= B_ERROR; 1541 /* 1542 * Correctly set the buf to indicate a completed xfer 1543 */ 1544 bp->b_resid = bp->b_bcount; 1545 biodone(bp); 1546 return; 1547 } 1548 1549 static void 1550 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1551 { 1552 struct cd_softc *softc; 1553 struct buf *bp; 1554 struct ccb_scsiio *csio; 1555 struct scsi_read_capacity_data *rcap; 1556 int s; 1557 1558 softc = (struct cd_softc *)periph->softc; 1559 1560 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1561 1562 switch (softc->state) { 1563 case CD_STATE_NORMAL: 1564 { 1565 int oldspl; 1566 1567 s = splbio(); 1568 bp = bufq_first(&softc->buf_queue); 1569 if (periph->immediate_priority <= periph->pinfo.priority) { 1570 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1571 1572 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1573 periph_links.sle); 1574 periph->immediate_priority = CAM_PRIORITY_NONE; 1575 splx(s); 1576 wakeup(&periph->ccb_list); 1577 } else if (bp == NULL) { 1578 splx(s); 1579 xpt_release_ccb(start_ccb); 1580 } else { 1581 bufq_remove(&softc->buf_queue, bp); 1582 1583 devstat_start_transaction(&softc->device_stats); 1584 1585 scsi_read_write(&start_ccb->csio, 1586 /*retries*/4, 1587 /* cbfcnp */ cddone, 1588 (bp->b_flags & B_ORDERED) != 0 ? 1589 MSG_ORDERED_Q_TAG : 1590 MSG_SIMPLE_Q_TAG, 1591 /* read */bp->b_flags & B_READ, 1592 /* byte2 */ 0, 1593 /* minimum_cmd_size */ 10, 1594 /* lba */ bp->b_pblkno, 1595 bp->b_bcount / softc->params.blksize, 1596 /* data_ptr */ bp->b_data, 1597 /* dxfer_len */ bp->b_bcount, 1598 /* sense_len */ SSD_FULL_SIZE, 1599 /* timeout */ 30000); 1600 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1601 1602 1603 /* 1604 * Block out any asyncronous callbacks 1605 * while we touch the pending ccb list. 1606 */ 1607 oldspl = splcam(); 1608 LIST_INSERT_HEAD(&softc->pending_ccbs, 1609 &start_ccb->ccb_h, periph_links.le); 1610 splx(oldspl); 1611 1612 /* We expect a unit attention from this device */ 1613 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1614 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1615 softc->flags &= ~CD_FLAG_RETRY_UA; 1616 } 1617 1618 start_ccb->ccb_h.ccb_bp = bp; 1619 bp = bufq_first(&softc->buf_queue); 1620 splx(s); 1621 1622 xpt_action(start_ccb); 1623 } 1624 if (bp != NULL) { 1625 /* Have more work to do, so ensure we stay scheduled */ 1626 xpt_schedule(periph, /* XXX priority */1); 1627 } 1628 break; 1629 } 1630 case CD_STATE_PROBE: 1631 { 1632 1633 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1634 M_TEMP, 1635 M_NOWAIT); 1636 if (rcap == NULL) { 1637 xpt_print_path(periph->path); 1638 printf("cdstart: Couldn't malloc read_capacity data\n"); 1639 /* cd_free_periph??? */ 1640 break; 1641 } 1642 csio = &start_ccb->csio; 1643 scsi_read_capacity(csio, 1644 /*retries*/1, 1645 cddone, 1646 MSG_SIMPLE_Q_TAG, 1647 rcap, 1648 SSD_FULL_SIZE, 1649 /*timeout*/20000); 1650 start_ccb->ccb_h.ccb_bp = NULL; 1651 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1652 xpt_action(start_ccb); 1653 break; 1654 } 1655 } 1656 } 1657 1658 static void 1659 cddone(struct cam_periph *periph, union ccb *done_ccb) 1660 { 1661 struct cd_softc *softc; 1662 struct ccb_scsiio *csio; 1663 1664 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1665 1666 softc = (struct cd_softc *)periph->softc; 1667 csio = &done_ccb->csio; 1668 1669 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1670 case CD_CCB_BUFFER_IO: 1671 { 1672 struct buf *bp; 1673 int error; 1674 int oldspl; 1675 1676 bp = (struct buf *)done_ccb->ccb_h.ccb_bp; 1677 error = 0; 1678 1679 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1680 int sf; 1681 1682 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1683 sf = SF_RETRY_UA; 1684 else 1685 sf = 0; 1686 1687 /* Retry selection timeouts */ 1688 sf |= SF_RETRY_SELTO; 1689 1690 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1691 /* 1692 * A retry was scheuled, so 1693 * just return. 1694 */ 1695 return; 1696 } 1697 } 1698 1699 if (error != 0) { 1700 int s; 1701 struct buf *q_bp; 1702 1703 xpt_print_path(periph->path); 1704 printf("cddone: got error %#x back\n", error); 1705 s = splbio(); 1706 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) { 1707 bufq_remove(&softc->buf_queue, q_bp); 1708 q_bp->b_resid = q_bp->b_bcount; 1709 q_bp->b_error = EIO; 1710 q_bp->b_flags |= B_ERROR; 1711 biodone(q_bp); 1712 } 1713 splx(s); 1714 bp->b_resid = bp->b_bcount; 1715 bp->b_error = error; 1716 bp->b_flags |= B_ERROR; 1717 cam_release_devq(done_ccb->ccb_h.path, 1718 /*relsim_flags*/0, 1719 /*reduction*/0, 1720 /*timeout*/0, 1721 /*getcount_only*/0); 1722 1723 } else { 1724 bp->b_resid = csio->resid; 1725 bp->b_error = 0; 1726 if (bp->b_resid != 0) { 1727 /* Short transfer ??? */ 1728 bp->b_flags |= B_ERROR; 1729 } 1730 } 1731 1732 /* 1733 * Block out any asyncronous callbacks 1734 * while we touch the pending ccb list. 1735 */ 1736 oldspl = splcam(); 1737 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1738 splx(oldspl); 1739 1740 if (softc->flags & CD_FLAG_CHANGER) 1741 cdchangerschedule(softc); 1742 1743 devstat_end_transaction_buf(&softc->device_stats, bp); 1744 biodone(bp); 1745 break; 1746 } 1747 case CD_CCB_PROBE: 1748 { 1749 struct scsi_read_capacity_data *rdcap; 1750 char announce_buf[120]; /* 1751 * Currently (9/30/97) the 1752 * longest possible announce 1753 * buffer is 108 bytes, for the 1754 * first error case below. 1755 * That is 39 bytes for the 1756 * basic string, 16 bytes for the 1757 * biggest sense key (hardware 1758 * error), 52 bytes for the 1759 * text of the largest sense 1760 * qualifier valid for a CDROM, 1761 * (0x72, 0x03 or 0x04, 1762 * 0x03), and one byte for the 1763 * null terminating character. 1764 * To allow for longer strings, 1765 * the announce buffer is 120 1766 * bytes. 1767 */ 1768 struct cd_params *cdp; 1769 1770 cdp = &softc->params; 1771 1772 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1773 1774 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1775 cdp->blksize = scsi_4btoul (rdcap->length); 1776 1777 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1778 1779 snprintf(announce_buf, sizeof(announce_buf), 1780 "cd present [%lu x %lu byte records]", 1781 cdp->disksize, (u_long)cdp->blksize); 1782 1783 } else { 1784 int error; 1785 /* 1786 * Retry any UNIT ATTENTION type errors. They 1787 * are expected at boot. 1788 */ 1789 error = cderror(done_ccb, 0, SF_RETRY_UA | 1790 SF_NO_PRINT | SF_RETRY_SELTO); 1791 if (error == ERESTART) { 1792 /* 1793 * A retry was scheuled, so 1794 * just return. 1795 */ 1796 return; 1797 } else if (error != 0) { 1798 1799 struct scsi_sense_data *sense; 1800 int asc, ascq; 1801 int sense_key, error_code; 1802 int have_sense; 1803 cam_status status; 1804 struct ccb_getdev cgd; 1805 1806 /* Don't wedge this device's queue */ 1807 cam_release_devq(done_ccb->ccb_h.path, 1808 /*relsim_flags*/0, 1809 /*reduction*/0, 1810 /*timeout*/0, 1811 /*getcount_only*/0); 1812 1813 status = done_ccb->ccb_h.status; 1814 1815 xpt_setup_ccb(&cgd.ccb_h, 1816 done_ccb->ccb_h.path, 1817 /* priority */ 1); 1818 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1819 xpt_action((union ccb *)&cgd); 1820 1821 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1822 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1823 || ((status & CAM_AUTOSNS_VALID) == 0)) 1824 have_sense = FALSE; 1825 else 1826 have_sense = TRUE; 1827 1828 if (have_sense) { 1829 sense = &csio->sense_data; 1830 scsi_extract_sense(sense, &error_code, 1831 &sense_key, 1832 &asc, &ascq); 1833 } 1834 /* 1835 * Attach to anything that claims to be a 1836 * CDROM or WORM device, as long as it 1837 * doesn't return a "Logical unit not 1838 * supported" (0x25) error. 1839 */ 1840 if ((have_sense) && (asc != 0x25) 1841 && (error_code == SSD_CURRENT_ERROR)) 1842 snprintf(announce_buf, 1843 sizeof(announce_buf), 1844 "Attempt to query device " 1845 "size failed: %s, %s", 1846 scsi_sense_key_text[sense_key], 1847 scsi_sense_desc(asc,ascq, 1848 &cgd.inq_data)); 1849 else if ((have_sense == 0) 1850 && ((status & CAM_STATUS_MASK) == 1851 CAM_SCSI_STATUS_ERROR) 1852 && (csio->scsi_status == 1853 SCSI_STATUS_BUSY)) { 1854 snprintf(announce_buf, 1855 sizeof(announce_buf), 1856 "Attempt to query device " 1857 "size failed: SCSI status: BUSY"); 1858 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1859 /* 1860 * We only print out an error for 1861 * CDROM type devices. For WORM 1862 * devices, we don't print out an 1863 * error since a few WORM devices 1864 * don't support CDROM commands. 1865 * If we have sense information, go 1866 * ahead and print it out. 1867 * Otherwise, just say that we 1868 * couldn't attach. 1869 */ 1870 1871 /* 1872 * Just print out the error, not 1873 * the full probe message, when we 1874 * don't attach. 1875 */ 1876 if (have_sense) 1877 scsi_sense_print( 1878 &done_ccb->csio); 1879 else { 1880 xpt_print_path(periph->path); 1881 printf("got CAM status %#x\n", 1882 done_ccb->ccb_h.status); 1883 } 1884 xpt_print_path(periph->path); 1885 printf("fatal error, failed" 1886 " to attach to device\n"); 1887 1888 /* 1889 * Invalidate this peripheral. 1890 */ 1891 cam_periph_invalidate(periph); 1892 1893 announce_buf[0] = '\0'; 1894 } else { 1895 1896 /* 1897 * Invalidate this peripheral. 1898 */ 1899 cam_periph_invalidate(periph); 1900 announce_buf[0] = '\0'; 1901 } 1902 } 1903 } 1904 free(rdcap, M_TEMP); 1905 if (announce_buf[0] != '\0') { 1906 xpt_announce_periph(periph, announce_buf); 1907 if (softc->flags & CD_FLAG_CHANGER) 1908 cdchangerschedule(softc); 1909 /* 1910 * Create our sysctl variables, now that we know 1911 * we have successfully attached. 1912 */ 1913 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1914 } 1915 softc->state = CD_STATE_NORMAL; 1916 /* 1917 * Since our peripheral may be invalidated by an error 1918 * above or an external event, we must release our CCB 1919 * before releasing the probe lock on the peripheral. 1920 * The peripheral will only go away once the last lock 1921 * is removed, and we need it around for the CCB release 1922 * operation. 1923 */ 1924 xpt_release_ccb(done_ccb); 1925 cam_periph_unlock(periph); 1926 return; 1927 } 1928 case CD_CCB_WAITING: 1929 { 1930 /* Caller will release the CCB */ 1931 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1932 ("trying to wakeup ccbwait\n")); 1933 1934 wakeup(&done_ccb->ccb_h.cbfcnp); 1935 return; 1936 } 1937 default: 1938 break; 1939 } 1940 xpt_release_ccb(done_ccb); 1941 } 1942 1943 static union cd_pages * 1944 cdgetpage(struct cd_mode_params *mode_params) 1945 { 1946 union cd_pages *page; 1947 1948 if (mode_params->cdb_size == 10) 1949 page = (union cd_pages *)find_mode_page_10( 1950 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1951 else 1952 page = (union cd_pages *)find_mode_page_6( 1953 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1954 1955 return (page); 1956 } 1957 1958 static int 1959 cdgetpagesize(int page_num) 1960 { 1961 int i; 1962 1963 for (i = 0; i < (sizeof(cd_page_size_table)/ 1964 sizeof(cd_page_size_table[0])); i++) { 1965 if (cd_page_size_table[i].page == page_num) 1966 return (cd_page_size_table[i].page_size); 1967 } 1968 return (-1); 1969 } 1970 1971 static int 1972 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1973 { 1974 1975 struct cam_periph *periph; 1976 struct cd_softc *softc; 1977 int error, unit; 1978 1979 unit = dkunit(dev); 1980 1981 periph = cam_extend_get(cdperiphs, unit); 1982 if (periph == NULL) 1983 return(ENXIO); 1984 1985 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1986 1987 softc = (struct cd_softc *)periph->softc; 1988 1989 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1990 ("trying to do ioctl %#lx\n", cmd)); 1991 1992 error = cam_periph_lock(periph, PCATCH); 1993 1994 if (error != 0) 1995 return(error); 1996 1997 /* 1998 * If we don't have media loaded, check for it. If still don't 1999 * have media loaded, we can only do a load or eject. 2000 */ 2001 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 2002 && ((cmd != CDIOCCLOSE) 2003 && (cmd != CDIOCEJECT))) { 2004 error = cdcheckmedia(periph); 2005 if (error != 0) { 2006 cam_periph_unlock(periph); 2007 return (error); 2008 } 2009 } 2010 2011 switch (cmd) { 2012 2013 case CDIOCPLAYTRACKS: 2014 { 2015 struct ioc_play_track *args 2016 = (struct ioc_play_track *) addr; 2017 struct cd_mode_params params; 2018 union cd_pages *page; 2019 2020 params.alloc_len = sizeof(union cd_mode_data_6_10); 2021 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2022 M_WAITOK | M_ZERO); 2023 2024 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2025 ("trying to do CDIOCPLAYTRACKS\n")); 2026 2027 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2028 if (error) { 2029 free(params.mode_buf, M_TEMP); 2030 break; 2031 } 2032 page = cdgetpage(¶ms); 2033 2034 page->audio.flags &= ~CD_PA_SOTC; 2035 page->audio.flags |= CD_PA_IMMED; 2036 error = cdsetmode(periph, ¶ms); 2037 free(params.mode_buf, M_TEMP); 2038 if (error) 2039 break; 2040 2041 /* 2042 * This was originally implemented with the PLAY 2043 * AUDIO TRACK INDEX command, but that command was 2044 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2045 * drives support it but ATAPI and ATAPI-derivative 2046 * drives don't seem to support it. So we keep a 2047 * cache of the table of contents and translate 2048 * track numbers to MSF format. 2049 */ 2050 if (softc->flags & CD_FLAG_VALID_TOC) { 2051 union msf_lba *sentry, *eentry; 2052 int st, et; 2053 2054 if (args->end_track < 2055 softc->toc.header.ending_track + 1) 2056 args->end_track++; 2057 if (args->end_track > 2058 softc->toc.header.ending_track + 1) 2059 args->end_track = 2060 softc->toc.header.ending_track + 1; 2061 st = args->start_track - 2062 softc->toc.header.starting_track; 2063 et = args->end_track - 2064 softc->toc.header.starting_track; 2065 if ((st < 0) 2066 || (et < 0) 2067 || (st > (softc->toc.header.ending_track - 2068 softc->toc.header.starting_track))) { 2069 error = EINVAL; 2070 break; 2071 } 2072 sentry = &softc->toc.entries[st].addr; 2073 eentry = &softc->toc.entries[et].addr; 2074 error = cdplaymsf(periph, 2075 sentry->msf.minute, 2076 sentry->msf.second, 2077 sentry->msf.frame, 2078 eentry->msf.minute, 2079 eentry->msf.second, 2080 eentry->msf.frame); 2081 } else { 2082 /* 2083 * If we don't have a valid TOC, try the 2084 * play track index command. It is part of 2085 * the SCSI-2 spec, but was removed in the 2086 * MMC specs. ATAPI and ATAPI-derived 2087 * drives don't support it. 2088 */ 2089 if (softc->quirks & CD_Q_BCD_TRACKS) { 2090 args->start_track = 2091 bin2bcd(args->start_track); 2092 args->end_track = 2093 bin2bcd(args->end_track); 2094 } 2095 error = cdplaytracks(periph, 2096 args->start_track, 2097 args->start_index, 2098 args->end_track, 2099 args->end_index); 2100 } 2101 } 2102 break; 2103 case CDIOCPLAYMSF: 2104 { 2105 struct ioc_play_msf *args 2106 = (struct ioc_play_msf *) addr; 2107 struct cd_mode_params params; 2108 union cd_pages *page; 2109 2110 params.alloc_len = sizeof(union cd_mode_data_6_10); 2111 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2112 M_WAITOK | M_ZERO); 2113 2114 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2115 ("trying to do CDIOCPLAYMSF\n")); 2116 2117 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2118 if (error) { 2119 free(params.mode_buf, M_TEMP); 2120 break; 2121 } 2122 page = cdgetpage(¶ms); 2123 2124 page->audio.flags &= ~CD_PA_SOTC; 2125 page->audio.flags |= CD_PA_IMMED; 2126 error = cdsetmode(periph, ¶ms); 2127 free(params.mode_buf, M_TEMP); 2128 if (error) 2129 break; 2130 error = cdplaymsf(periph, 2131 args->start_m, 2132 args->start_s, 2133 args->start_f, 2134 args->end_m, 2135 args->end_s, 2136 args->end_f); 2137 } 2138 break; 2139 case CDIOCPLAYBLOCKS: 2140 { 2141 struct ioc_play_blocks *args 2142 = (struct ioc_play_blocks *) addr; 2143 struct cd_mode_params params; 2144 union cd_pages *page; 2145 2146 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2147 ("trying to do CDIOCPLAYBLOCKS\n")); 2148 2149 params.alloc_len = sizeof(union cd_mode_data_6_10); 2150 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2151 M_WAITOK | M_ZERO); 2152 2153 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2154 if (error) { 2155 free(params.mode_buf, M_TEMP); 2156 break; 2157 } 2158 page = cdgetpage(¶ms); 2159 2160 page->audio.flags &= ~CD_PA_SOTC; 2161 page->audio.flags |= CD_PA_IMMED; 2162 error = cdsetmode(periph, ¶ms); 2163 free(params.mode_buf, M_TEMP); 2164 if (error) 2165 break; 2166 error = cdplay(periph, args->blk, args->len); 2167 } 2168 break; 2169 case CDIOCREADSUBCHANNEL: 2170 { 2171 struct ioc_read_subchannel *args 2172 = (struct ioc_read_subchannel *) addr; 2173 struct cd_sub_channel_info *data; 2174 u_int32_t len = args->data_len; 2175 2176 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2177 ("trying to do CDIOCREADSUBCHANNEL\n")); 2178 2179 data = malloc(sizeof(struct cd_sub_channel_info), 2180 M_TEMP, M_WAITOK); 2181 2182 if ((len > sizeof(struct cd_sub_channel_info)) || 2183 (len < sizeof(struct cd_sub_channel_header))) { 2184 printf( 2185 "scsi_cd: cdioctl: " 2186 "cdioreadsubchannel: error, len=%d\n", 2187 len); 2188 error = EINVAL; 2189 free(data, M_TEMP); 2190 break; 2191 } 2192 2193 if (softc->quirks & CD_Q_BCD_TRACKS) 2194 args->track = bin2bcd(args->track); 2195 2196 error = cdreadsubchannel(periph, args->address_format, 2197 args->data_format, args->track, data, len); 2198 2199 if (error) { 2200 free(data, M_TEMP); 2201 break; 2202 } 2203 if (softc->quirks & CD_Q_BCD_TRACKS) 2204 data->what.track_info.track_number = 2205 bcd2bin(data->what.track_info.track_number); 2206 len = min(len, ((data->header.data_len[0] << 8) + 2207 data->header.data_len[1] + 2208 sizeof(struct cd_sub_channel_header))); 2209 if (copyout(data, args->data, len) != 0) { 2210 error = EFAULT; 2211 } 2212 free(data, M_TEMP); 2213 } 2214 break; 2215 2216 case CDIOREADTOCHEADER: 2217 { 2218 struct ioc_toc_header *th; 2219 2220 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2221 ("trying to do CDIOREADTOCHEADER\n")); 2222 2223 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2224 M_WAITOK); 2225 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2226 sizeof (*th), /*sense_flags*/0); 2227 if (error) { 2228 free(th, M_TEMP); 2229 break; 2230 } 2231 if (softc->quirks & CD_Q_BCD_TRACKS) { 2232 /* we are going to have to convert the BCD 2233 * encoding on the cd to what is expected 2234 */ 2235 th->starting_track = 2236 bcd2bin(th->starting_track); 2237 th->ending_track = bcd2bin(th->ending_track); 2238 } 2239 NTOHS(th->len); 2240 bcopy(th, addr, sizeof(*th)); 2241 free(th, M_TEMP); 2242 } 2243 break; 2244 case CDIOREADTOCENTRYS: 2245 { 2246 struct cd_tocdata *data; 2247 struct cd_toc_single *lead; 2248 struct ioc_read_toc_entry *te = 2249 (struct ioc_read_toc_entry *) addr; 2250 struct ioc_toc_header *th; 2251 u_int32_t len, readlen, idx, num; 2252 u_int32_t starting_track = te->starting_track; 2253 2254 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2255 ("trying to do CDIOREADTOCENTRYS\n")); 2256 2257 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2258 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2259 2260 if (te->data_len < sizeof(struct cd_toc_entry) 2261 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2262 || (te->address_format != CD_MSF_FORMAT 2263 && te->address_format != CD_LBA_FORMAT)) { 2264 error = EINVAL; 2265 printf("scsi_cd: error in readtocentries, " 2266 "returning EINVAL\n"); 2267 free(data, M_TEMP); 2268 free(lead, M_TEMP); 2269 break; 2270 } 2271 2272 th = &data->header; 2273 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2274 sizeof (*th), /*sense_flags*/0); 2275 if (error) { 2276 free(data, M_TEMP); 2277 free(lead, M_TEMP); 2278 break; 2279 } 2280 2281 if (softc->quirks & CD_Q_BCD_TRACKS) { 2282 /* we are going to have to convert the BCD 2283 * encoding on the cd to what is expected 2284 */ 2285 th->starting_track = 2286 bcd2bin(th->starting_track); 2287 th->ending_track = bcd2bin(th->ending_track); 2288 } 2289 2290 if (starting_track == 0) 2291 starting_track = th->starting_track; 2292 else if (starting_track == LEADOUT) 2293 starting_track = th->ending_track + 1; 2294 else if (starting_track < th->starting_track || 2295 starting_track > th->ending_track + 1) { 2296 printf("scsi_cd: error in readtocentries, " 2297 "returning EINVAL\n"); 2298 free(data, M_TEMP); 2299 free(lead, M_TEMP); 2300 error = EINVAL; 2301 break; 2302 } 2303 2304 /* calculate reading length without leadout entry */ 2305 readlen = (th->ending_track - starting_track + 1) * 2306 sizeof(struct cd_toc_entry); 2307 2308 /* and with leadout entry */ 2309 len = readlen + sizeof(struct cd_toc_entry); 2310 if (te->data_len < len) { 2311 len = te->data_len; 2312 if (readlen > len) 2313 readlen = len; 2314 } 2315 if (len > sizeof(data->entries)) { 2316 printf("scsi_cd: error in readtocentries, " 2317 "returning EINVAL\n"); 2318 error = EINVAL; 2319 free(data, M_TEMP); 2320 free(lead, M_TEMP); 2321 break; 2322 } 2323 num = len / sizeof(struct cd_toc_entry); 2324 2325 if (readlen > 0) { 2326 error = cdreadtoc(periph, te->address_format, 2327 starting_track, 2328 (u_int8_t *)data, 2329 readlen + sizeof (*th), 2330 /*sense_flags*/0); 2331 if (error) { 2332 free(data, M_TEMP); 2333 free(lead, M_TEMP); 2334 break; 2335 } 2336 } 2337 2338 /* make leadout entry if needed */ 2339 idx = starting_track + num - 1; 2340 if (softc->quirks & CD_Q_BCD_TRACKS) 2341 th->ending_track = bcd2bin(th->ending_track); 2342 if (idx == th->ending_track + 1) { 2343 error = cdreadtoc(periph, te->address_format, 2344 LEADOUT, (u_int8_t *)lead, 2345 sizeof(*lead), 2346 /*sense_flags*/0); 2347 if (error) { 2348 free(data, M_TEMP); 2349 free(lead, M_TEMP); 2350 break; 2351 } 2352 data->entries[idx - starting_track] = 2353 lead->entry; 2354 } 2355 if (softc->quirks & CD_Q_BCD_TRACKS) { 2356 for (idx = 0; idx < num - 1; idx++) { 2357 data->entries[idx].track = 2358 bcd2bin(data->entries[idx].track); 2359 } 2360 } 2361 2362 error = copyout(data->entries, te->data, len); 2363 free(data, M_TEMP); 2364 free(lead, M_TEMP); 2365 } 2366 break; 2367 case CDIOREADTOCENTRY: 2368 { 2369 struct cd_toc_single *data; 2370 struct ioc_read_toc_single_entry *te = 2371 (struct ioc_read_toc_single_entry *) addr; 2372 struct ioc_toc_header *th; 2373 u_int32_t track; 2374 2375 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2376 ("trying to do CDIOREADTOCENTRY\n")); 2377 2378 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2379 2380 if (te->address_format != CD_MSF_FORMAT 2381 && te->address_format != CD_LBA_FORMAT) { 2382 printf("error in readtocentry, " 2383 " returning EINVAL\n"); 2384 free(data, M_TEMP); 2385 error = EINVAL; 2386 break; 2387 } 2388 2389 th = &data->header; 2390 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2391 sizeof (*th), /*sense_flags*/0); 2392 if (error) { 2393 free(data, M_TEMP); 2394 break; 2395 } 2396 2397 if (softc->quirks & CD_Q_BCD_TRACKS) { 2398 /* we are going to have to convert the BCD 2399 * encoding on the cd to what is expected 2400 */ 2401 th->starting_track = 2402 bcd2bin(th->starting_track); 2403 th->ending_track = bcd2bin(th->ending_track); 2404 } 2405 track = te->track; 2406 if (track == 0) 2407 track = th->starting_track; 2408 else if (track == LEADOUT) 2409 /* OK */; 2410 else if (track < th->starting_track || 2411 track > th->ending_track + 1) { 2412 printf("error in readtocentry, " 2413 " returning EINVAL\n"); 2414 free(data, M_TEMP); 2415 error = EINVAL; 2416 break; 2417 } 2418 2419 error = cdreadtoc(periph, te->address_format, track, 2420 (u_int8_t *)data, sizeof(*data), 2421 /*sense_flags*/0); 2422 if (error) { 2423 free(data, M_TEMP); 2424 break; 2425 } 2426 2427 if (softc->quirks & CD_Q_BCD_TRACKS) 2428 data->entry.track = bcd2bin(data->entry.track); 2429 bcopy(&data->entry, &te->entry, 2430 sizeof(struct cd_toc_entry)); 2431 free(data, M_TEMP); 2432 } 2433 break; 2434 case CDIOCSETPATCH: 2435 { 2436 struct ioc_patch *arg = (struct ioc_patch *)addr; 2437 struct cd_mode_params params; 2438 union cd_pages *page; 2439 2440 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2441 ("trying to do CDIOCSETPATCH\n")); 2442 2443 params.alloc_len = sizeof(union cd_mode_data_6_10); 2444 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2445 M_WAITOK | M_ZERO); 2446 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2447 if (error) { 2448 free(params.mode_buf, M_TEMP); 2449 break; 2450 } 2451 page = cdgetpage(¶ms); 2452 2453 page->audio.port[LEFT_PORT].channels = 2454 arg->patch[0]; 2455 page->audio.port[RIGHT_PORT].channels = 2456 arg->patch[1]; 2457 page->audio.port[2].channels = arg->patch[2]; 2458 page->audio.port[3].channels = arg->patch[3]; 2459 error = cdsetmode(periph, ¶ms); 2460 free(params.mode_buf, M_TEMP); 2461 } 2462 break; 2463 case CDIOCGETVOL: 2464 { 2465 struct ioc_vol *arg = (struct ioc_vol *) addr; 2466 struct cd_mode_params params; 2467 union cd_pages *page; 2468 2469 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2470 ("trying to do CDIOCGETVOL\n")); 2471 2472 params.alloc_len = sizeof(union cd_mode_data_6_10); 2473 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2474 M_WAITOK | M_ZERO); 2475 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2476 if (error) { 2477 free(params.mode_buf, M_TEMP); 2478 break; 2479 } 2480 page = cdgetpage(¶ms); 2481 2482 arg->vol[LEFT_PORT] = 2483 page->audio.port[LEFT_PORT].volume; 2484 arg->vol[RIGHT_PORT] = 2485 page->audio.port[RIGHT_PORT].volume; 2486 arg->vol[2] = page->audio.port[2].volume; 2487 arg->vol[3] = page->audio.port[3].volume; 2488 free(params.mode_buf, M_TEMP); 2489 } 2490 break; 2491 case CDIOCSETVOL: 2492 { 2493 struct ioc_vol *arg = (struct ioc_vol *) addr; 2494 struct cd_mode_params params; 2495 union cd_pages *page; 2496 2497 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2498 ("trying to do CDIOCSETVOL\n")); 2499 2500 params.alloc_len = sizeof(union cd_mode_data_6_10); 2501 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2502 M_WAITOK | M_ZERO); 2503 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2504 if (error) { 2505 free(params.mode_buf, M_TEMP); 2506 break; 2507 } 2508 page = cdgetpage(¶ms); 2509 2510 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2511 page->audio.port[LEFT_PORT].volume = 2512 arg->vol[LEFT_PORT]; 2513 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2514 page->audio.port[RIGHT_PORT].volume = 2515 arg->vol[RIGHT_PORT]; 2516 page->audio.port[2].volume = arg->vol[2]; 2517 page->audio.port[3].volume = arg->vol[3]; 2518 error = cdsetmode(periph, ¶ms); 2519 free(params.mode_buf, M_TEMP); 2520 } 2521 break; 2522 case CDIOCSETMONO: 2523 { 2524 struct cd_mode_params params; 2525 union cd_pages *page; 2526 2527 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2528 ("trying to do CDIOCSETMONO\n")); 2529 2530 params.alloc_len = sizeof(union cd_mode_data_6_10); 2531 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2532 M_WAITOK | M_ZERO); 2533 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2534 if (error) { 2535 free(params.mode_buf, M_TEMP); 2536 break; 2537 } 2538 page = cdgetpage(¶ms); 2539 2540 page->audio.port[LEFT_PORT].channels = 2541 LEFT_CHANNEL | RIGHT_CHANNEL; 2542 page->audio.port[RIGHT_PORT].channels = 2543 LEFT_CHANNEL | RIGHT_CHANNEL; 2544 page->audio.port[2].channels = 0; 2545 page->audio.port[3].channels = 0; 2546 error = cdsetmode(periph, ¶ms); 2547 free(params.mode_buf, M_TEMP); 2548 } 2549 break; 2550 case CDIOCSETSTEREO: 2551 { 2552 struct cd_mode_params params; 2553 union cd_pages *page; 2554 2555 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2556 ("trying to do CDIOCSETSTEREO\n")); 2557 2558 params.alloc_len = sizeof(union cd_mode_data_6_10); 2559 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2560 M_WAITOK | M_ZERO); 2561 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2562 if (error) { 2563 free(params.mode_buf, M_TEMP); 2564 break; 2565 } 2566 page = cdgetpage(¶ms); 2567 2568 page->audio.port[LEFT_PORT].channels = 2569 LEFT_CHANNEL; 2570 page->audio.port[RIGHT_PORT].channels = 2571 RIGHT_CHANNEL; 2572 page->audio.port[2].channels = 0; 2573 page->audio.port[3].channels = 0; 2574 error = cdsetmode(periph, ¶ms); 2575 free(params.mode_buf, M_TEMP); 2576 } 2577 break; 2578 case CDIOCSETMUTE: 2579 { 2580 struct cd_mode_params params; 2581 union cd_pages *page; 2582 2583 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2584 ("trying to do CDIOCSETMUTE\n")); 2585 2586 params.alloc_len = sizeof(union cd_mode_data_6_10); 2587 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2588 M_WAITOK | M_ZERO); 2589 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2590 if (error) { 2591 free(¶ms, M_TEMP); 2592 break; 2593 } 2594 page = cdgetpage(¶ms); 2595 2596 page->audio.port[LEFT_PORT].channels = 0; 2597 page->audio.port[RIGHT_PORT].channels = 0; 2598 page->audio.port[2].channels = 0; 2599 page->audio.port[3].channels = 0; 2600 error = cdsetmode(periph, ¶ms); 2601 free(params.mode_buf, M_TEMP); 2602 } 2603 break; 2604 case CDIOCSETLEFT: 2605 { 2606 struct cd_mode_params params; 2607 union cd_pages *page; 2608 2609 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2610 ("trying to do CDIOCSETLEFT\n")); 2611 2612 params.alloc_len = sizeof(union cd_mode_data_6_10); 2613 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2614 M_WAITOK | M_ZERO); 2615 2616 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2617 if (error) { 2618 free(params.mode_buf, M_TEMP); 2619 break; 2620 } 2621 page = cdgetpage(¶ms); 2622 2623 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2624 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2625 page->audio.port[2].channels = 0; 2626 page->audio.port[3].channels = 0; 2627 error = cdsetmode(periph, ¶ms); 2628 free(params.mode_buf, M_TEMP); 2629 } 2630 break; 2631 case CDIOCSETRIGHT: 2632 { 2633 struct cd_mode_params params; 2634 union cd_pages *page; 2635 2636 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2637 ("trying to do CDIOCSETRIGHT\n")); 2638 2639 params.alloc_len = sizeof(union cd_mode_data_6_10); 2640 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2641 M_WAITOK | M_ZERO); 2642 2643 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2644 if (error) { 2645 free(params.mode_buf, M_TEMP); 2646 break; 2647 } 2648 page = cdgetpage(¶ms); 2649 2650 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2651 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2652 page->audio.port[2].channels = 0; 2653 page->audio.port[3].channels = 0; 2654 error = cdsetmode(periph, ¶ms); 2655 free(params.mode_buf, M_TEMP); 2656 } 2657 break; 2658 case CDIOCRESUME: 2659 error = cdpause(periph, 1); 2660 break; 2661 case CDIOCPAUSE: 2662 error = cdpause(periph, 0); 2663 break; 2664 case CDIOCSTART: 2665 error = cdstartunit(periph, 0); 2666 break; 2667 case CDIOCCLOSE: 2668 error = cdstartunit(periph, 1); 2669 2670 #ifdef notyet 2671 if (error != 0) 2672 break; 2673 2674 /* 2675 * The user successfully closed the tray, run 2676 * cdcheckmedia() again so we can re-sync the disklabel 2677 * information. 2678 */ 2679 cdcheckmedia(periph); 2680 #endif /* notyet */ 2681 break; 2682 case CDIOCSTOP: 2683 error = cdstopunit(periph, 0); 2684 break; 2685 case CDIOCEJECT: 2686 error = cdstopunit(periph, 1); 2687 2688 #ifdef notyet 2689 if (error != 0) 2690 break; 2691 2692 /* 2693 * Since we've successfully ejected the media, run 2694 * cdcheckmedia() again so we re-sync the disklabel 2695 * information. 2696 */ 2697 cdcheckmedia(periph); 2698 #endif /* notyet */ 2699 break; 2700 case CDIOCALLOW: 2701 cdprevent(periph, PR_ALLOW); 2702 break; 2703 case CDIOCPREVENT: 2704 cdprevent(periph, PR_PREVENT); 2705 break; 2706 case CDIOCSETDEBUG: 2707 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2708 error = ENOTTY; 2709 break; 2710 case CDIOCCLRDEBUG: 2711 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2712 error = ENOTTY; 2713 break; 2714 case CDIOCRESET: 2715 /* return (cd_reset(periph)); */ 2716 error = ENOTTY; 2717 break; 2718 case CDRIOCREADSPEED: 2719 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2720 break; 2721 case CDRIOCWRITESPEED: 2722 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2723 break; 2724 case DVDIOCSENDKEY: 2725 case DVDIOCREPORTKEY: { 2726 struct dvd_authinfo *authinfo; 2727 2728 authinfo = (struct dvd_authinfo *)addr; 2729 2730 if (cmd == DVDIOCREPORTKEY) 2731 error = cdreportkey(periph, authinfo); 2732 else 2733 error = cdsendkey(periph, authinfo); 2734 break; 2735 } 2736 case DVDIOCREADSTRUCTURE: { 2737 struct dvd_struct *dvdstruct; 2738 2739 dvdstruct = (struct dvd_struct *)addr; 2740 2741 error = cdreaddvdstructure(periph, dvdstruct); 2742 2743 break; 2744 } 2745 default: 2746 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2747 break; 2748 } 2749 2750 cam_periph_unlock(periph); 2751 2752 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2753 2754 return (error); 2755 } 2756 2757 static void 2758 cdprevent(struct cam_periph *periph, int action) 2759 { 2760 union ccb *ccb; 2761 struct cd_softc *softc; 2762 int error; 2763 2764 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2765 2766 softc = (struct cd_softc *)periph->softc; 2767 2768 if (((action == PR_ALLOW) 2769 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2770 || ((action == PR_PREVENT) 2771 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2772 return; 2773 } 2774 2775 ccb = cdgetccb(periph, /* priority */ 1); 2776 2777 scsi_prevent(&ccb->csio, 2778 /*retries*/ 1, 2779 cddone, 2780 MSG_SIMPLE_Q_TAG, 2781 action, 2782 SSD_FULL_SIZE, 2783 /* timeout */60000); 2784 2785 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2786 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2787 2788 xpt_release_ccb(ccb); 2789 2790 if (error == 0) { 2791 if (action == PR_ALLOW) 2792 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2793 else 2794 softc->flags |= CD_FLAG_DISC_LOCKED; 2795 } 2796 } 2797 2798 int 2799 cdcheckmedia(struct cam_periph *periph) 2800 { 2801 struct cd_softc *softc; 2802 struct ioc_toc_header *toch; 2803 struct cd_toc_single leadout; 2804 struct ccb_getdev cgd; 2805 u_int32_t size, toclen; 2806 int error, num_entries, cdindex; 2807 int first_track_audio; 2808 struct disklabel *label; 2809 2810 softc = (struct cd_softc *)periph->softc; 2811 2812 first_track_audio = -1; 2813 error = 0; 2814 2815 cdprevent(periph, PR_PREVENT); 2816 2817 /* 2818 * Build prototype label for whole disk. 2819 * Should take information about different data tracks from the 2820 * TOC and put it in the partition table. 2821 */ 2822 label = &softc->disk.d_label; 2823 bzero(label, sizeof(*label)); 2824 label->d_type = DTYPE_SCSI; 2825 2826 /* 2827 * Grab the inquiry data to get the vendor and product names. 2828 * Put them in the typename and packname for the label. 2829 */ 2830 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2831 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2832 xpt_action((union ccb *)&cgd); 2833 2834 strncpy(label->d_typename, cgd.inq_data.vendor, 2835 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2836 strncpy(label->d_packname, cgd.inq_data.product, 2837 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2838 2839 label->d_flags = D_REMOVABLE; 2840 /* 2841 * Make partition 'a' cover the whole disk. This is a temporary 2842 * compatibility hack. The 'a' partition should not exist, so 2843 * the slice code won't create it. The slice code will make 2844 * partition (RAW_PART + 'a') cover the whole disk and fill in 2845 * some more defaults. 2846 */ 2847 label->d_partitions[0].p_size = label->d_secperunit; 2848 label->d_partitions[0].p_fstype = FS_OTHER; 2849 2850 /* 2851 * Default to not reading the disklabel off the disk, until we can 2852 * verify that we have media, that we have a table of contents, and 2853 * that the first track is a data track (which could theoretically 2854 * contain a disklabel). 2855 */ 2856 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 2857 softc->disk.d_dsflags |= DSO_NOLABELS; 2858 2859 /* 2860 * Clear the valid media and TOC flags until we've verified that we 2861 * have both. 2862 */ 2863 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2864 2865 /* 2866 * Get the disc size and block size. If we can't get it, we don't 2867 * have media, most likely. 2868 */ 2869 if ((error = cdsize(periph, &size)) != 0) { 2870 /* 2871 * Set a bogus sector size, so the slice code won't try to 2872 * divide by 0 and panic the kernel. 2873 */ 2874 label->d_secsize = 2048; 2875 2876 label->d_secperunit = 0; 2877 2878 /* 2879 * XXX KDM is this a good idea? Seems to cause more 2880 * problems. 2881 */ 2882 if (softc->flags & CD_FLAG_OPEN) { 2883 int force; 2884 2885 force = 1; 2886 2887 /* 2888 * We don't bother checking the return value here, 2889 * since we already have an error... 2890 */ 2891 dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO, 2892 /*data*/(caddr_t)&force, /*flags*/ 0, 2893 &softc->disk.d_slice); 2894 } 2895 2896 /* 2897 * Tell devstat(9) we don't have a blocksize. 2898 */ 2899 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2900 2901 cdprevent(periph, PR_ALLOW); 2902 2903 return (error); 2904 } else { 2905 2906 label->d_secsize = softc->params.blksize; 2907 label->d_secperunit = softc->params.disksize; 2908 2909 /* 2910 * Force a re-sync of slice information, like the blocksize, 2911 * now that we know it. It isn't pretty...but according to 2912 * Bruce Evans, this is probably the best way to do it in 2913 * -stable. We only do this if we're already open, and 2914 * therefore dsopen() has already run. If CD_FLAG_OPEN 2915 * isn't set, this isn't necessary. 2916 */ 2917 if (softc->flags & CD_FLAG_OPEN) { 2918 int force; 2919 2920 force = 1; 2921 2922 error = dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO, 2923 /*data*/(caddr_t)&force, /*flags*/ 0, 2924 &softc->disk.d_slice); 2925 if (error != 0) { 2926 /* 2927 * Set a bogus sector size, so the slice code 2928 * won't try to divide by 0 and panic the 2929 * kernel. 2930 */ 2931 label->d_secsize = 2048; 2932 2933 label->d_secperunit = 0; 2934 2935 /* 2936 * Tell devstat(9) we don't have a blocksize. 2937 */ 2938 softc->device_stats.flags |= 2939 DEVSTAT_BS_UNAVAILABLE; 2940 2941 cdprevent(periph, PR_ALLOW); 2942 } 2943 } 2944 2945 /* 2946 * We unconditionally (re)set the blocksize each time the 2947 * CD device is opened. This is because the CD can change, 2948 * and therefore the blocksize might change. 2949 * XXX problems here if some slice or partition is still 2950 * open with the old size? 2951 */ 2952 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2953 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2954 softc->device_stats.block_size = softc->params.blksize; 2955 2956 softc->flags |= CD_FLAG_VALID_MEDIA; 2957 } 2958 2959 /* 2960 * Now we check the table of contents. This (currently) is only 2961 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2962 * things like present a separate entry in /dev for each track, 2963 * like that acd(4) driver does. 2964 */ 2965 bzero(&softc->toc, sizeof(softc->toc)); 2966 toch = &softc->toc.header; 2967 2968 /* 2969 * We will get errors here for media that doesn't have a table of 2970 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2971 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2972 * has not been recorded (no complete session) and the Format codes 2973 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2974 * with an INVALID FIELD IN CDB. Devices that are not capable of 2975 * reading an incomplete session on DDC/CD-R/RW media shall report 2976 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2977 * 2978 * So this isn't fatal if we can't read the table of contents, it 2979 * just means that the user won't be able to issue the play tracks 2980 * ioctl, and likely lots of other stuff won't work either. They 2981 * need to burn the CD before we can do a whole lot with it. So 2982 * we don't print anything here if we get an error back. 2983 */ 2984 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2985 SF_NO_PRINT); 2986 /* 2987 * Errors in reading the table of contents aren't fatal, we just 2988 * won't have a valid table of contents cached. 2989 */ 2990 if (error != 0) { 2991 error = 0; 2992 bzero(&softc->toc, sizeof(softc->toc)); 2993 goto bailout; 2994 } 2995 2996 if (softc->quirks & CD_Q_BCD_TRACKS) { 2997 toch->starting_track = bcd2bin(toch->starting_track); 2998 toch->ending_track = bcd2bin(toch->ending_track); 2999 } 3000 3001 /* Number of TOC entries, plus leadout */ 3002 num_entries = (toch->ending_track - toch->starting_track) + 2; 3003 3004 if (num_entries <= 0) 3005 goto bailout; 3006 3007 toclen = num_entries * sizeof(struct cd_toc_entry); 3008 3009 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 3010 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 3011 SF_NO_PRINT); 3012 if (error != 0) { 3013 error = 0; 3014 bzero(&softc->toc, sizeof(softc->toc)); 3015 goto bailout; 3016 } 3017 3018 if (softc->quirks & CD_Q_BCD_TRACKS) { 3019 toch->starting_track = bcd2bin(toch->starting_track); 3020 toch->ending_track = bcd2bin(toch->ending_track); 3021 } 3022 toch->len = scsi_2btoul((uint8_t *)&toch->len); 3023 3024 /* 3025 * XXX KDM is this necessary? Probably only if the drive doesn't 3026 * return leadout information with the table of contents. 3027 */ 3028 cdindex = toch->starting_track + num_entries -1; 3029 if (cdindex == toch->ending_track + 1) { 3030 3031 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 3032 (u_int8_t *)&leadout, sizeof(leadout), 3033 SF_NO_PRINT); 3034 if (error != 0) { 3035 error = 0; 3036 goto bailout; 3037 } 3038 softc->toc.entries[cdindex - toch->starting_track] = 3039 leadout.entry; 3040 } 3041 if (softc->quirks & CD_Q_BCD_TRACKS) { 3042 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3043 softc->toc.entries[cdindex].track = 3044 bcd2bin(softc->toc.entries[cdindex].track); 3045 } 3046 } 3047 3048 /* 3049 * Run through the TOC entries, find the first entry and determine 3050 * whether it is an audio or data track. 3051 */ 3052 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3053 if (softc->toc.entries[cdindex].track == toch->starting_track) { 3054 if (softc->toc.entries[cdindex].control & 0x04) 3055 first_track_audio = 0; 3056 else 3057 first_track_audio = 1; 3058 break; 3059 } 3060 } 3061 3062 /* 3063 * If first_track_audio is non-zero, we either have an error (e.g. 3064 * couldn't find the starting track) or the first track is an audio 3065 * track. If first_track_audio is 0, the first track is a data 3066 * track that could have a disklabel. Attempt to read the 3067 * disklabel off the media, just in case the user put one there. 3068 */ 3069 if (first_track_audio == 0) { 3070 softc->disk.d_dsflags |= DSO_COMPATLABEL; 3071 softc->disk.d_dsflags &= ~DSO_NOLABELS; 3072 } 3073 softc->flags |= CD_FLAG_VALID_TOC; 3074 3075 bailout: 3076 return (error); 3077 } 3078 3079 static int 3080 cdsize(struct cam_periph *periph, u_int32_t *size) 3081 { 3082 struct cd_softc *softc; 3083 union ccb *ccb; 3084 struct scsi_read_capacity_data *rcap_buf; 3085 int error; 3086 3087 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3088 3089 softc = (struct cd_softc *)periph->softc; 3090 3091 ccb = cdgetccb(periph, /* priority */ 1); 3092 3093 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 3094 M_TEMP, M_WAITOK); 3095 3096 scsi_read_capacity(&ccb->csio, 3097 /*retries*/ 1, 3098 cddone, 3099 MSG_SIMPLE_Q_TAG, 3100 rcap_buf, 3101 SSD_FULL_SIZE, 3102 /* timeout */20000); 3103 3104 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3105 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3106 3107 xpt_release_ccb(ccb); 3108 3109 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3110 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3111 /* 3112 * SCSI-3 mandates that the reported blocksize shall be 2048. 3113 * Older drives sometimes report funny values, trim it down to 3114 * 2048, or other parts of the kernel will get confused. 3115 * 3116 * XXX we leave drives alone that might report 512 bytes, as 3117 * well as drives reporting more weird sizes like perhaps 4K. 3118 */ 3119 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3120 softc->params.blksize = 2048; 3121 3122 free(rcap_buf, M_TEMP); 3123 *size = softc->params.disksize; 3124 3125 return (error); 3126 3127 } 3128 3129 static int 3130 cd6byteworkaround(union ccb *ccb) 3131 { 3132 u_int8_t *cdb; 3133 struct cam_periph *periph; 3134 struct cd_softc *softc; 3135 struct cd_mode_params *params; 3136 int frozen, found; 3137 3138 periph = xpt_path_periph(ccb->ccb_h.path); 3139 softc = (struct cd_softc *)periph->softc; 3140 3141 cdb = ccb->csio.cdb_io.cdb_bytes; 3142 3143 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3144 || ((cdb[0] != MODE_SENSE_6) 3145 && (cdb[0] != MODE_SELECT_6))) 3146 return (0); 3147 3148 /* 3149 * Because there is no convenient place to stash the overall 3150 * cd_mode_params structure pointer, we have to grab it like this. 3151 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3152 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3153 * 3154 * XXX It would be nice if, at some point, we could increase the 3155 * number of available peripheral private pointers. Both pointers 3156 * are currently used in most every peripheral driver. 3157 */ 3158 found = 0; 3159 3160 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3161 if (params->mode_buf == ccb->csio.data_ptr) { 3162 found = 1; 3163 break; 3164 } 3165 } 3166 3167 /* 3168 * This shouldn't happen. All mode sense and mode select 3169 * operations in the cd(4) driver MUST go through cdgetmode() and 3170 * cdsetmode()! 3171 */ 3172 if (found == 0) { 3173 xpt_print_path(periph->path); 3174 printf("mode buffer not found in mode queue!\n"); 3175 return (0); 3176 } 3177 3178 params->cdb_size = 10; 3179 softc->minimum_command_size = 10; 3180 xpt_print_path(ccb->ccb_h.path); 3181 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3182 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3183 3184 if (cdb[0] == MODE_SENSE_6) { 3185 struct scsi_mode_sense_10 ms10; 3186 struct scsi_mode_sense_6 *ms6; 3187 int len; 3188 3189 ms6 = (struct scsi_mode_sense_6 *)cdb; 3190 3191 bzero(&ms10, sizeof(ms10)); 3192 ms10.opcode = MODE_SENSE_10; 3193 ms10.byte2 = ms6->byte2; 3194 ms10.page = ms6->page; 3195 3196 /* 3197 * 10 byte mode header, block descriptor, 3198 * sizeof(union cd_pages) 3199 */ 3200 len = sizeof(struct cd_mode_data_10); 3201 ccb->csio.dxfer_len = len; 3202 3203 scsi_ulto2b(len, ms10.length); 3204 ms10.control = ms6->control; 3205 bcopy(&ms10, cdb, 10); 3206 ccb->csio.cdb_len = 10; 3207 } else { 3208 struct scsi_mode_select_10 ms10; 3209 struct scsi_mode_select_6 *ms6; 3210 struct scsi_mode_header_6 *header6; 3211 struct scsi_mode_header_10 *header10; 3212 struct scsi_mode_page_header *page_header; 3213 int blk_desc_len, page_num, page_size, len; 3214 3215 ms6 = (struct scsi_mode_select_6 *)cdb; 3216 3217 bzero(&ms10, sizeof(ms10)); 3218 ms10.opcode = MODE_SELECT_10; 3219 ms10.byte2 = ms6->byte2; 3220 3221 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3222 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3223 3224 page_header = find_mode_page_6(header6); 3225 page_num = page_header->page_code; 3226 3227 blk_desc_len = header6->blk_desc_len; 3228 3229 page_size = cdgetpagesize(page_num); 3230 3231 if (page_size != (page_header->page_length + 3232 sizeof(*page_header))) 3233 page_size = page_header->page_length + 3234 sizeof(*page_header); 3235 3236 len = sizeof(*header10) + blk_desc_len + page_size; 3237 3238 len = min(params->alloc_len, len); 3239 3240 /* 3241 * Since the 6 byte parameter header is shorter than the 10 3242 * byte parameter header, we need to copy the actual mode 3243 * page data, and the block descriptor, if any, so things wind 3244 * up in the right place. The regions will overlap, but 3245 * bcopy() does the right thing. 3246 */ 3247 bcopy(params->mode_buf + sizeof(*header6), 3248 params->mode_buf + sizeof(*header10), 3249 len - sizeof(*header10)); 3250 3251 /* Make sure these fields are set correctly. */ 3252 scsi_ulto2b(0, header10->data_length); 3253 header10->medium_type = 0; 3254 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3255 3256 ccb->csio.dxfer_len = len; 3257 3258 scsi_ulto2b(len, ms10.length); 3259 ms10.control = ms6->control; 3260 bcopy(&ms10, cdb, 10); 3261 ccb->csio.cdb_len = 10; 3262 } 3263 3264 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3265 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3266 xpt_action(ccb); 3267 if (frozen) { 3268 cam_release_devq(ccb->ccb_h.path, 3269 /*relsim_flags*/0, 3270 /*openings*/0, 3271 /*timeout*/0, 3272 /*getcount_only*/0); 3273 } 3274 3275 return (ERESTART); 3276 } 3277 3278 static int 3279 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3280 { 3281 struct cd_softc *softc; 3282 struct cam_periph *periph; 3283 int error; 3284 3285 periph = xpt_path_periph(ccb->ccb_h.path); 3286 softc = (struct cd_softc *)periph->softc; 3287 3288 error = 0; 3289 3290 /* 3291 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3292 * CDB comes back with this particular error, try transforming it 3293 * into the 10 byte version. 3294 */ 3295 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3296 error = cd6byteworkaround(ccb); 3297 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3298 CAM_SCSI_STATUS_ERROR) 3299 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3300 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3301 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3302 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3303 int sense_key, error_code, asc, ascq; 3304 3305 scsi_extract_sense(&ccb->csio.sense_data, 3306 &error_code, &sense_key, &asc, &ascq); 3307 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3308 error = cd6byteworkaround(ccb); 3309 } 3310 3311 if (error == ERESTART) 3312 return (error); 3313 3314 /* 3315 * XXX 3316 * Until we have a better way of doing pack validation, 3317 * don't treat UAs as errors. 3318 */ 3319 sense_flags |= SF_RETRY_UA; 3320 return (cam_periph_error(ccb, cam_flags, sense_flags, 3321 &softc->saved_ccb)); 3322 } 3323 3324 /* 3325 * Read table of contents 3326 */ 3327 static int 3328 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3329 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3330 { 3331 struct scsi_read_toc *scsi_cmd; 3332 u_int32_t ntoc; 3333 struct ccb_scsiio *csio; 3334 union ccb *ccb; 3335 int error; 3336 3337 ntoc = len; 3338 error = 0; 3339 3340 ccb = cdgetccb(periph, /* priority */ 1); 3341 3342 csio = &ccb->csio; 3343 3344 cam_fill_csio(csio, 3345 /* retries */ 1, 3346 /* cbfcnp */ cddone, 3347 /* flags */ CAM_DIR_IN, 3348 /* tag_action */ MSG_SIMPLE_Q_TAG, 3349 /* data_ptr */ data, 3350 /* dxfer_len */ len, 3351 /* sense_len */ SSD_FULL_SIZE, 3352 sizeof(struct scsi_read_toc), 3353 /* timeout */ 50000); 3354 3355 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3356 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3357 3358 if (mode == CD_MSF_FORMAT) 3359 scsi_cmd->byte2 |= CD_MSF; 3360 scsi_cmd->from_track = start; 3361 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3362 scsi_cmd->data_len[0] = (ntoc) >> 8; 3363 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3364 3365 scsi_cmd->op_code = READ_TOC; 3366 3367 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3368 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3369 sense_flags); 3370 3371 xpt_release_ccb(ccb); 3372 3373 return(error); 3374 } 3375 3376 static int 3377 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3378 u_int32_t format, int track, 3379 struct cd_sub_channel_info *data, u_int32_t len) 3380 { 3381 struct scsi_read_subchannel *scsi_cmd; 3382 struct ccb_scsiio *csio; 3383 union ccb *ccb; 3384 int error; 3385 3386 error = 0; 3387 3388 ccb = cdgetccb(periph, /* priority */ 1); 3389 3390 csio = &ccb->csio; 3391 3392 cam_fill_csio(csio, 3393 /* retries */ 1, 3394 /* cbfcnp */ cddone, 3395 /* flags */ CAM_DIR_IN, 3396 /* tag_action */ MSG_SIMPLE_Q_TAG, 3397 /* data_ptr */ (u_int8_t *)data, 3398 /* dxfer_len */ len, 3399 /* sense_len */ SSD_FULL_SIZE, 3400 sizeof(struct scsi_read_subchannel), 3401 /* timeout */ 50000); 3402 3403 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3404 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3405 3406 scsi_cmd->op_code = READ_SUBCHANNEL; 3407 if (mode == CD_MSF_FORMAT) 3408 scsi_cmd->byte1 |= CD_MSF; 3409 scsi_cmd->byte2 = SRS_SUBQ; 3410 scsi_cmd->subchan_format = format; 3411 scsi_cmd->track = track; 3412 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3413 scsi_cmd->control = 0; 3414 3415 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3416 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3417 3418 xpt_release_ccb(ccb); 3419 3420 return(error); 3421 } 3422 3423 /* 3424 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3425 * routine. See comments in cd6byteworkaround() for details. 3426 */ 3427 static int 3428 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3429 u_int32_t page) 3430 { 3431 struct ccb_scsiio *csio; 3432 struct cd_softc *softc; 3433 union ccb *ccb; 3434 int param_len; 3435 int error; 3436 3437 softc = (struct cd_softc *)periph->softc; 3438 3439 ccb = cdgetccb(periph, /* priority */ 1); 3440 3441 csio = &ccb->csio; 3442 3443 data->cdb_size = softc->minimum_command_size; 3444 if (data->cdb_size < 10) 3445 param_len = sizeof(struct cd_mode_data); 3446 else 3447 param_len = sizeof(struct cd_mode_data_10); 3448 3449 /* Don't say we've got more room than we actually allocated */ 3450 param_len = min(param_len, data->alloc_len); 3451 3452 scsi_mode_sense_len(csio, 3453 /* retries */ 1, 3454 /* cbfcnp */ cddone, 3455 /* tag_action */ MSG_SIMPLE_Q_TAG, 3456 /* dbd */ 0, 3457 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3458 /* page */ page, 3459 /* param_buf */ data->mode_buf, 3460 /* param_len */ param_len, 3461 /* minimum_cmd_size */ softc->minimum_command_size, 3462 /* sense_len */ SSD_FULL_SIZE, 3463 /* timeout */ 50000); 3464 3465 /* 3466 * It would be nice not to have to do this, but there's no 3467 * available pointer in the CCB that would allow us to stuff the 3468 * mode params structure in there and retrieve it in 3469 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3470 * lets the caller know what CDB size we ended up using, so they 3471 * can find the actual mode page offset. 3472 */ 3473 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3474 3475 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3476 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3477 3478 xpt_release_ccb(ccb); 3479 3480 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3481 3482 /* 3483 * This is a bit of belt-and-suspenders checking, but if we run 3484 * into a situation where the target sends back multiple block 3485 * descriptors, we might not have enough space in the buffer to 3486 * see the whole mode page. Better to return an error than 3487 * potentially access memory beyond our malloced region. 3488 */ 3489 if (error == 0) { 3490 u_int32_t data_len; 3491 3492 if (data->cdb_size == 10) { 3493 struct scsi_mode_header_10 *hdr10; 3494 3495 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3496 data_len = scsi_2btoul(hdr10->data_length); 3497 data_len += sizeof(hdr10->data_length); 3498 } else { 3499 struct scsi_mode_header_6 *hdr6; 3500 3501 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3502 data_len = hdr6->data_length; 3503 data_len += sizeof(hdr6->data_length); 3504 } 3505 3506 /* 3507 * Complain if there is more mode data available than we 3508 * allocated space for. This could potentially happen if 3509 * we miscalculated the page length for some reason, if the 3510 * drive returns multiple block descriptors, or if it sets 3511 * the data length incorrectly. 3512 */ 3513 if (data_len > data->alloc_len) { 3514 xpt_print_path(periph->path); 3515 printf("allocated modepage %d length %d < returned " 3516 "length %d\n", page, data->alloc_len, data_len); 3517 3518 error = ENOSPC; 3519 } 3520 } 3521 return (error); 3522 } 3523 3524 /* 3525 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3526 * routine. See comments in cd6byteworkaround() for details. 3527 */ 3528 static int 3529 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3530 { 3531 struct ccb_scsiio *csio; 3532 struct cd_softc *softc; 3533 union ccb *ccb; 3534 int cdb_size, param_len; 3535 int error; 3536 3537 softc = (struct cd_softc *)periph->softc; 3538 3539 ccb = cdgetccb(periph, /* priority */ 1); 3540 3541 csio = &ccb->csio; 3542 3543 error = 0; 3544 3545 /* 3546 * If the data is formatted for the 10 byte version of the mode 3547 * select parameter list, we need to use the 10 byte CDB. 3548 * Otherwise, we use whatever the stored minimum command size. 3549 */ 3550 if (data->cdb_size == 10) 3551 cdb_size = data->cdb_size; 3552 else 3553 cdb_size = softc->minimum_command_size; 3554 3555 if (cdb_size >= 10) { 3556 struct scsi_mode_header_10 *mode_header; 3557 u_int32_t data_len; 3558 3559 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3560 3561 data_len = scsi_2btoul(mode_header->data_length); 3562 3563 scsi_ulto2b(0, mode_header->data_length); 3564 /* 3565 * SONY drives do not allow a mode select with a medium_type 3566 * value that has just been returned by a mode sense; use a 3567 * medium_type of 0 (Default) instead. 3568 */ 3569 mode_header->medium_type = 0; 3570 3571 /* 3572 * Pass back whatever the drive passed to us, plus the size 3573 * of the data length field. 3574 */ 3575 param_len = data_len + sizeof(mode_header->data_length); 3576 3577 } else { 3578 struct scsi_mode_header_6 *mode_header; 3579 3580 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3581 3582 param_len = mode_header->data_length + 1; 3583 3584 mode_header->data_length = 0; 3585 /* 3586 * SONY drives do not allow a mode select with a medium_type 3587 * value that has just been returned by a mode sense; use a 3588 * medium_type of 0 (Default) instead. 3589 */ 3590 mode_header->medium_type = 0; 3591 } 3592 3593 /* Don't say we've got more room than we actually allocated */ 3594 param_len = min(param_len, data->alloc_len); 3595 3596 scsi_mode_select_len(csio, 3597 /* retries */ 1, 3598 /* cbfcnp */ cddone, 3599 /* tag_action */ MSG_SIMPLE_Q_TAG, 3600 /* scsi_page_fmt */ 1, 3601 /* save_pages */ 0, 3602 /* param_buf */ data->mode_buf, 3603 /* param_len */ param_len, 3604 /* minimum_cmd_size */ cdb_size, 3605 /* sense_len */ SSD_FULL_SIZE, 3606 /* timeout */ 50000); 3607 3608 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3609 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3610 3611 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3612 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3613 3614 xpt_release_ccb(ccb); 3615 3616 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3617 3618 return (error); 3619 } 3620 3621 3622 3623 static int 3624 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3625 { 3626 struct ccb_scsiio *csio; 3627 union ccb *ccb; 3628 int error; 3629 u_int8_t cdb_len; 3630 3631 error = 0; 3632 ccb = cdgetccb(periph, /* priority */ 1); 3633 csio = &ccb->csio; 3634 /* 3635 * Use the smallest possible command to perform the operation. 3636 */ 3637 if ((len & 0xffff0000) == 0) { 3638 /* 3639 * We can fit in a 10 byte cdb. 3640 */ 3641 struct scsi_play_10 *scsi_cmd; 3642 3643 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3644 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3645 scsi_cmd->op_code = PLAY_10; 3646 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3647 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3648 cdb_len = sizeof(*scsi_cmd); 3649 } else { 3650 struct scsi_play_12 *scsi_cmd; 3651 3652 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3653 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3654 scsi_cmd->op_code = PLAY_12; 3655 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3656 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3657 cdb_len = sizeof(*scsi_cmd); 3658 } 3659 cam_fill_csio(csio, 3660 /*retries*/2, 3661 cddone, 3662 /*flags*/CAM_DIR_NONE, 3663 MSG_SIMPLE_Q_TAG, 3664 /*dataptr*/NULL, 3665 /*datalen*/0, 3666 /*sense_len*/SSD_FULL_SIZE, 3667 cdb_len, 3668 /*timeout*/50 * 1000); 3669 3670 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3671 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3672 3673 xpt_release_ccb(ccb); 3674 3675 return(error); 3676 } 3677 3678 static int 3679 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3680 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3681 { 3682 struct scsi_play_msf *scsi_cmd; 3683 struct ccb_scsiio *csio; 3684 union ccb *ccb; 3685 int error; 3686 3687 error = 0; 3688 3689 ccb = cdgetccb(periph, /* priority */ 1); 3690 3691 csio = &ccb->csio; 3692 3693 cam_fill_csio(csio, 3694 /* retries */ 1, 3695 /* cbfcnp */ cddone, 3696 /* flags */ CAM_DIR_NONE, 3697 /* tag_action */ MSG_SIMPLE_Q_TAG, 3698 /* data_ptr */ NULL, 3699 /* dxfer_len */ 0, 3700 /* sense_len */ SSD_FULL_SIZE, 3701 sizeof(struct scsi_play_msf), 3702 /* timeout */ 50000); 3703 3704 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3705 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3706 3707 scsi_cmd->op_code = PLAY_MSF; 3708 scsi_cmd->start_m = startm; 3709 scsi_cmd->start_s = starts; 3710 scsi_cmd->start_f = startf; 3711 scsi_cmd->end_m = endm; 3712 scsi_cmd->end_s = ends; 3713 scsi_cmd->end_f = endf; 3714 3715 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3716 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3717 3718 xpt_release_ccb(ccb); 3719 3720 return(error); 3721 } 3722 3723 3724 static int 3725 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3726 u_int32_t etrack, u_int32_t eindex) 3727 { 3728 struct scsi_play_track *scsi_cmd; 3729 struct ccb_scsiio *csio; 3730 union ccb *ccb; 3731 int error; 3732 3733 error = 0; 3734 3735 ccb = cdgetccb(periph, /* priority */ 1); 3736 3737 csio = &ccb->csio; 3738 3739 cam_fill_csio(csio, 3740 /* retries */ 1, 3741 /* cbfcnp */ cddone, 3742 /* flags */ CAM_DIR_NONE, 3743 /* tag_action */ MSG_SIMPLE_Q_TAG, 3744 /* data_ptr */ NULL, 3745 /* dxfer_len */ 0, 3746 /* sense_len */ SSD_FULL_SIZE, 3747 sizeof(struct scsi_play_track), 3748 /* timeout */ 50000); 3749 3750 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3751 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3752 3753 scsi_cmd->op_code = PLAY_TRACK; 3754 scsi_cmd->start_track = strack; 3755 scsi_cmd->start_index = sindex; 3756 scsi_cmd->end_track = etrack; 3757 scsi_cmd->end_index = eindex; 3758 3759 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3760 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3761 3762 xpt_release_ccb(ccb); 3763 3764 return(error); 3765 } 3766 3767 static int 3768 cdpause(struct cam_periph *periph, u_int32_t go) 3769 { 3770 struct scsi_pause *scsi_cmd; 3771 struct ccb_scsiio *csio; 3772 union ccb *ccb; 3773 int error; 3774 3775 error = 0; 3776 3777 ccb = cdgetccb(periph, /* priority */ 1); 3778 3779 csio = &ccb->csio; 3780 3781 cam_fill_csio(csio, 3782 /* retries */ 1, 3783 /* cbfcnp */ cddone, 3784 /* flags */ CAM_DIR_NONE, 3785 /* tag_action */ MSG_SIMPLE_Q_TAG, 3786 /* data_ptr */ NULL, 3787 /* dxfer_len */ 0, 3788 /* sense_len */ SSD_FULL_SIZE, 3789 sizeof(struct scsi_pause), 3790 /* timeout */ 50000); 3791 3792 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3793 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3794 3795 scsi_cmd->op_code = PAUSE; 3796 scsi_cmd->resume = go; 3797 3798 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3799 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3800 3801 xpt_release_ccb(ccb); 3802 3803 return(error); 3804 } 3805 3806 static int 3807 cdstartunit(struct cam_periph *periph, int load) 3808 { 3809 union ccb *ccb; 3810 int error; 3811 3812 error = 0; 3813 3814 ccb = cdgetccb(periph, /* priority */ 1); 3815 3816 scsi_start_stop(&ccb->csio, 3817 /* retries */ 1, 3818 /* cbfcnp */ cddone, 3819 /* tag_action */ MSG_SIMPLE_Q_TAG, 3820 /* start */ TRUE, 3821 /* load_eject */ load, 3822 /* immediate */ FALSE, 3823 /* sense_len */ SSD_FULL_SIZE, 3824 /* timeout */ 50000); 3825 3826 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3827 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3828 3829 xpt_release_ccb(ccb); 3830 3831 return(error); 3832 } 3833 3834 static int 3835 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3836 { 3837 union ccb *ccb; 3838 int error; 3839 3840 error = 0; 3841 3842 ccb = cdgetccb(periph, /* priority */ 1); 3843 3844 scsi_start_stop(&ccb->csio, 3845 /* retries */ 1, 3846 /* cbfcnp */ cddone, 3847 /* tag_action */ MSG_SIMPLE_Q_TAG, 3848 /* start */ FALSE, 3849 /* load_eject */ eject, 3850 /* immediate */ FALSE, 3851 /* sense_len */ SSD_FULL_SIZE, 3852 /* timeout */ 50000); 3853 3854 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3855 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3856 3857 xpt_release_ccb(ccb); 3858 3859 return(error); 3860 } 3861 3862 static int 3863 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3864 { 3865 struct scsi_set_speed *scsi_cmd; 3866 struct ccb_scsiio *csio; 3867 union ccb *ccb; 3868 int error; 3869 3870 error = 0; 3871 ccb = cdgetccb(periph, /* priority */ 1); 3872 csio = &ccb->csio; 3873 3874 /* Preserve old behavior: units in multiples of CDROM speed */ 3875 if (rdspeed < 177) 3876 rdspeed *= 177; 3877 if (wrspeed < 177) 3878 wrspeed *= 177; 3879 3880 cam_fill_csio(csio, 3881 /* retries */ 1, 3882 /* cbfcnp */ cddone, 3883 /* flags */ CAM_DIR_NONE, 3884 /* tag_action */ MSG_SIMPLE_Q_TAG, 3885 /* data_ptr */ NULL, 3886 /* dxfer_len */ 0, 3887 /* sense_len */ SSD_FULL_SIZE, 3888 sizeof(struct scsi_set_speed), 3889 /* timeout */ 50000); 3890 3891 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3892 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3893 3894 scsi_cmd->opcode = SET_CD_SPEED; 3895 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3896 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3897 3898 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3899 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3900 3901 xpt_release_ccb(ccb); 3902 3903 return(error); 3904 } 3905 3906 static int 3907 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3908 { 3909 union ccb *ccb; 3910 u_int8_t *databuf; 3911 u_int32_t lba; 3912 int error; 3913 int length; 3914 3915 error = 0; 3916 databuf = NULL; 3917 lba = 0; 3918 3919 ccb = cdgetccb(periph, /* priority */ 1); 3920 3921 switch (authinfo->format) { 3922 case DVD_REPORT_AGID: 3923 length = sizeof(struct scsi_report_key_data_agid); 3924 break; 3925 case DVD_REPORT_CHALLENGE: 3926 length = sizeof(struct scsi_report_key_data_challenge); 3927 break; 3928 case DVD_REPORT_KEY1: 3929 length = sizeof(struct scsi_report_key_data_key1_key2); 3930 break; 3931 case DVD_REPORT_TITLE_KEY: 3932 length = sizeof(struct scsi_report_key_data_title); 3933 /* The lba field is only set for the title key */ 3934 lba = authinfo->lba; 3935 break; 3936 case DVD_REPORT_ASF: 3937 length = sizeof(struct scsi_report_key_data_asf); 3938 break; 3939 case DVD_REPORT_RPC: 3940 length = sizeof(struct scsi_report_key_data_rpc); 3941 break; 3942 case DVD_INVALIDATE_AGID: 3943 length = 0; 3944 break; 3945 default: 3946 error = EINVAL; 3947 goto bailout; 3948 break; /* NOTREACHED */ 3949 } 3950 3951 if (length != 0) { 3952 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3953 } else 3954 databuf = NULL; 3955 3956 3957 scsi_report_key(&ccb->csio, 3958 /* retries */ 1, 3959 /* cbfcnp */ cddone, 3960 /* tag_action */ MSG_SIMPLE_Q_TAG, 3961 /* lba */ lba, 3962 /* agid */ authinfo->agid, 3963 /* key_format */ authinfo->format, 3964 /* data_ptr */ databuf, 3965 /* dxfer_len */ length, 3966 /* sense_len */ SSD_FULL_SIZE, 3967 /* timeout */ 50000); 3968 3969 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3970 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3971 3972 if (error != 0) 3973 goto bailout; 3974 3975 if (ccb->csio.resid != 0) { 3976 xpt_print_path(periph->path); 3977 printf("warning, residual for report key command is %d\n", 3978 ccb->csio.resid); 3979 } 3980 3981 switch(authinfo->format) { 3982 case DVD_REPORT_AGID: { 3983 struct scsi_report_key_data_agid *agid_data; 3984 3985 agid_data = (struct scsi_report_key_data_agid *)databuf; 3986 3987 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3988 RKD_AGID_SHIFT; 3989 break; 3990 } 3991 case DVD_REPORT_CHALLENGE: { 3992 struct scsi_report_key_data_challenge *chal_data; 3993 3994 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3995 3996 bcopy(chal_data->challenge_key, authinfo->keychal, 3997 min(sizeof(chal_data->challenge_key), 3998 sizeof(authinfo->keychal))); 3999 break; 4000 } 4001 case DVD_REPORT_KEY1: { 4002 struct scsi_report_key_data_key1_key2 *key1_data; 4003 4004 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 4005 4006 bcopy(key1_data->key1, authinfo->keychal, 4007 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 4008 break; 4009 } 4010 case DVD_REPORT_TITLE_KEY: { 4011 struct scsi_report_key_data_title *title_data; 4012 4013 title_data = (struct scsi_report_key_data_title *)databuf; 4014 4015 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 4016 RKD_TITLE_CPM_SHIFT; 4017 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 4018 RKD_TITLE_CP_SEC_SHIFT; 4019 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 4020 RKD_TITLE_CMGS_SHIFT; 4021 bcopy(title_data->title_key, authinfo->keychal, 4022 min(sizeof(title_data->title_key), 4023 sizeof(authinfo->keychal))); 4024 break; 4025 } 4026 case DVD_REPORT_ASF: { 4027 struct scsi_report_key_data_asf *asf_data; 4028 4029 asf_data = (struct scsi_report_key_data_asf *)databuf; 4030 4031 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 4032 break; 4033 } 4034 case DVD_REPORT_RPC: { 4035 struct scsi_report_key_data_rpc *rpc_data; 4036 4037 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 4038 4039 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 4040 RKD_RPC_TYPE_SHIFT; 4041 authinfo->vend_rsts = 4042 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 4043 RKD_RPC_VENDOR_RESET_SHIFT; 4044 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4045 authinfo->region = rpc_data->region_mask; 4046 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4047 break; 4048 } 4049 case DVD_INVALIDATE_AGID: 4050 break; 4051 default: 4052 /* This should be impossible, since we checked above */ 4053 error = EINVAL; 4054 goto bailout; 4055 break; /* NOTREACHED */ 4056 } 4057 bailout: 4058 if (databuf != NULL) 4059 free(databuf, M_DEVBUF); 4060 4061 xpt_release_ccb(ccb); 4062 4063 return(error); 4064 } 4065 4066 static int 4067 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4068 { 4069 union ccb *ccb; 4070 u_int8_t *databuf; 4071 int length; 4072 int error; 4073 4074 error = 0; 4075 databuf = NULL; 4076 4077 ccb = cdgetccb(periph, /* priority */ 1); 4078 4079 switch(authinfo->format) { 4080 case DVD_SEND_CHALLENGE: { 4081 struct scsi_report_key_data_challenge *challenge_data; 4082 4083 length = sizeof(*challenge_data); 4084 4085 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4086 4087 databuf = (u_int8_t *)challenge_data; 4088 4089 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4090 challenge_data->data_len); 4091 4092 bcopy(authinfo->keychal, challenge_data->challenge_key, 4093 min(sizeof(authinfo->keychal), 4094 sizeof(challenge_data->challenge_key))); 4095 break; 4096 } 4097 case DVD_SEND_KEY2: { 4098 struct scsi_report_key_data_key1_key2 *key2_data; 4099 4100 length = sizeof(*key2_data); 4101 4102 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4103 4104 databuf = (u_int8_t *)key2_data; 4105 4106 scsi_ulto2b(length - sizeof(key2_data->data_len), 4107 key2_data->data_len); 4108 4109 bcopy(authinfo->keychal, key2_data->key1, 4110 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4111 4112 break; 4113 } 4114 case DVD_SEND_RPC: { 4115 struct scsi_send_key_data_rpc *rpc_data; 4116 4117 length = sizeof(*rpc_data); 4118 4119 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4120 4121 databuf = (u_int8_t *)rpc_data; 4122 4123 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4124 rpc_data->data_len); 4125 4126 rpc_data->region_code = authinfo->region; 4127 break; 4128 } 4129 default: 4130 error = EINVAL; 4131 goto bailout; 4132 break; /* NOTREACHED */ 4133 } 4134 4135 scsi_send_key(&ccb->csio, 4136 /* retries */ 1, 4137 /* cbfcnp */ cddone, 4138 /* tag_action */ MSG_SIMPLE_Q_TAG, 4139 /* agid */ authinfo->agid, 4140 /* key_format */ authinfo->format, 4141 /* data_ptr */ databuf, 4142 /* dxfer_len */ length, 4143 /* sense_len */ SSD_FULL_SIZE, 4144 /* timeout */ 50000); 4145 4146 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4147 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4148 4149 bailout: 4150 4151 if (databuf != NULL) 4152 free(databuf, M_DEVBUF); 4153 4154 xpt_release_ccb(ccb); 4155 4156 return(error); 4157 } 4158 4159 static int 4160 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4161 { 4162 union ccb *ccb; 4163 u_int8_t *databuf; 4164 u_int32_t address; 4165 int error; 4166 int length; 4167 4168 error = 0; 4169 databuf = NULL; 4170 /* The address is reserved for many of the formats */ 4171 address = 0; 4172 4173 ccb = cdgetccb(periph, /* priority */ 1); 4174 4175 switch(dvdstruct->format) { 4176 case DVD_STRUCT_PHYSICAL: 4177 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4178 break; 4179 case DVD_STRUCT_COPYRIGHT: 4180 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4181 break; 4182 case DVD_STRUCT_DISCKEY: 4183 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4184 break; 4185 case DVD_STRUCT_BCA: 4186 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4187 break; 4188 case DVD_STRUCT_MANUFACT: 4189 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4190 break; 4191 case DVD_STRUCT_CMI: 4192 error = ENODEV; 4193 goto bailout; 4194 #ifdef notyet 4195 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4196 address = dvdstruct->address; 4197 #endif 4198 break; /* NOTREACHED */ 4199 case DVD_STRUCT_PROTDISCID: 4200 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4201 break; 4202 case DVD_STRUCT_DISCKEYBLOCK: 4203 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4204 break; 4205 case DVD_STRUCT_DDS: 4206 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4207 break; 4208 case DVD_STRUCT_MEDIUM_STAT: 4209 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4210 break; 4211 case DVD_STRUCT_SPARE_AREA: 4212 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4213 break; 4214 case DVD_STRUCT_RMD_LAST: 4215 error = ENODEV; 4216 goto bailout; 4217 #ifdef notyet 4218 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4219 address = dvdstruct->address; 4220 #endif 4221 break; /* NOTREACHED */ 4222 case DVD_STRUCT_RMD_RMA: 4223 error = ENODEV; 4224 goto bailout; 4225 #ifdef notyet 4226 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4227 address = dvdstruct->address; 4228 #endif 4229 break; /* NOTREACHED */ 4230 case DVD_STRUCT_PRERECORDED: 4231 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4232 break; 4233 case DVD_STRUCT_UNIQUEID: 4234 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4235 break; 4236 case DVD_STRUCT_DCB: 4237 error = ENODEV; 4238 goto bailout; 4239 #ifdef notyet 4240 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4241 address = dvdstruct->address; 4242 #endif 4243 break; /* NOTREACHED */ 4244 case DVD_STRUCT_LIST: 4245 /* 4246 * This is the maximum allocation length for the READ DVD 4247 * STRUCTURE command. There's nothing in the MMC3 spec 4248 * that indicates a limit in the amount of data that can 4249 * be returned from this call, other than the limits 4250 * imposed by the 2-byte length variables. 4251 */ 4252 length = 65535; 4253 break; 4254 default: 4255 error = EINVAL; 4256 goto bailout; 4257 break; /* NOTREACHED */ 4258 } 4259 4260 if (length != 0) { 4261 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 4262 } else 4263 databuf = NULL; 4264 4265 scsi_read_dvd_structure(&ccb->csio, 4266 /* retries */ 1, 4267 /* cbfcnp */ cddone, 4268 /* tag_action */ MSG_SIMPLE_Q_TAG, 4269 /* lba */ address, 4270 /* layer_number */ dvdstruct->layer_num, 4271 /* key_format */ dvdstruct->format, 4272 /* agid */ dvdstruct->agid, 4273 /* data_ptr */ databuf, 4274 /* dxfer_len */ length, 4275 /* sense_len */ SSD_FULL_SIZE, 4276 /* timeout */ 50000); 4277 4278 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4279 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4280 4281 if (error != 0) 4282 goto bailout; 4283 4284 switch(dvdstruct->format) { 4285 case DVD_STRUCT_PHYSICAL: { 4286 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4287 struct dvd_layer *outlayer; 4288 struct scsi_read_dvd_struct_data_physical *phys_data; 4289 4290 phys_data = 4291 (struct scsi_read_dvd_struct_data_physical *)databuf; 4292 inlayer = &phys_data->layer_desc; 4293 outlayer = (struct dvd_layer *)&dvdstruct->data; 4294 4295 dvdstruct->length = sizeof(*inlayer); 4296 4297 outlayer->book_type = (inlayer->book_type_version & 4298 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4299 outlayer->book_version = (inlayer->book_type_version & 4300 RDSD_BOOK_VERSION_MASK); 4301 outlayer->disc_size = (inlayer->disc_size_max_rate & 4302 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4303 outlayer->max_rate = (inlayer->disc_size_max_rate & 4304 RDSD_MAX_RATE_MASK); 4305 outlayer->nlayers = (inlayer->layer_info & 4306 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4307 outlayer->track_path = (inlayer->layer_info & 4308 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4309 outlayer->layer_type = (inlayer->layer_info & 4310 RDSD_LAYER_TYPE_MASK); 4311 outlayer->linear_density = (inlayer->density & 4312 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4313 outlayer->track_density = (inlayer->density & 4314 RDSD_TRACK_DENSITY_MASK); 4315 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4316 RDSD_BCA_SHIFT; 4317 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4318 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4319 outlayer->end_sector_l0 = 4320 scsi_3btoul(inlayer->end_sector_layer0); 4321 break; 4322 } 4323 case DVD_STRUCT_COPYRIGHT: { 4324 struct scsi_read_dvd_struct_data_copyright *copy_data; 4325 4326 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4327 databuf; 4328 4329 dvdstruct->cpst = copy_data->cps_type; 4330 dvdstruct->rmi = copy_data->region_info; 4331 dvdstruct->length = 0; 4332 4333 break; 4334 } 4335 default: 4336 /* 4337 * Tell the user what the overall length is, no matter 4338 * what we can actually fit in the data buffer. 4339 */ 4340 dvdstruct->length = length - ccb->csio.resid - 4341 sizeof(struct scsi_read_dvd_struct_data_header); 4342 4343 /* 4344 * But only actually copy out the smaller of what we read 4345 * in or what the structure can take. 4346 */ 4347 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4348 dvdstruct->data, 4349 min(sizeof(dvdstruct->data), dvdstruct->length)); 4350 break; 4351 } 4352 bailout: 4353 4354 if (databuf != NULL) 4355 free(databuf, M_DEVBUF); 4356 4357 xpt_release_ccb(ccb); 4358 4359 return(error); 4360 } 4361 4362 void 4363 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4364 void (*cbfcnp)(struct cam_periph *, union ccb *), 4365 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4366 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4367 u_int8_t sense_len, u_int32_t timeout) 4368 { 4369 struct scsi_report_key *scsi_cmd; 4370 4371 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4372 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4373 scsi_cmd->opcode = REPORT_KEY; 4374 scsi_ulto4b(lba, scsi_cmd->lba); 4375 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4376 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4377 (key_format & RK_KF_KEYFORMAT_MASK); 4378 4379 cam_fill_csio(csio, 4380 retries, 4381 cbfcnp, 4382 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4383 tag_action, 4384 /*data_ptr*/ data_ptr, 4385 /*dxfer_len*/ dxfer_len, 4386 sense_len, 4387 sizeof(*scsi_cmd), 4388 timeout); 4389 } 4390 4391 void 4392 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4393 void (*cbfcnp)(struct cam_periph *, union ccb *), 4394 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4395 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4396 u_int32_t timeout) 4397 { 4398 struct scsi_send_key *scsi_cmd; 4399 4400 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4401 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4402 scsi_cmd->opcode = SEND_KEY; 4403 4404 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4405 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4406 (key_format & RK_KF_KEYFORMAT_MASK); 4407 4408 cam_fill_csio(csio, 4409 retries, 4410 cbfcnp, 4411 /*flags*/ CAM_DIR_OUT, 4412 tag_action, 4413 /*data_ptr*/ data_ptr, 4414 /*dxfer_len*/ dxfer_len, 4415 sense_len, 4416 sizeof(*scsi_cmd), 4417 timeout); 4418 } 4419 4420 4421 void 4422 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4423 void (*cbfcnp)(struct cam_periph *, union ccb *), 4424 u_int8_t tag_action, u_int32_t address, 4425 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4426 u_int8_t *data_ptr, u_int32_t dxfer_len, 4427 u_int8_t sense_len, u_int32_t timeout) 4428 { 4429 struct scsi_read_dvd_structure *scsi_cmd; 4430 4431 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4432 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4433 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4434 4435 scsi_ulto4b(address, scsi_cmd->address); 4436 scsi_cmd->layer_number = layer_number; 4437 scsi_cmd->format = format; 4438 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4439 /* The AGID is the top two bits of this byte */ 4440 scsi_cmd->agid = agid << 6; 4441 4442 cam_fill_csio(csio, 4443 retries, 4444 cbfcnp, 4445 /*flags*/ CAM_DIR_IN, 4446 tag_action, 4447 /*data_ptr*/ data_ptr, 4448 /*dxfer_len*/ dxfer_len, 4449 sense_len, 4450 sizeof(*scsi_cmd), 4451 timeout); 4452 } 4453