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