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 #include <sys/mplock2.h> 72 73 #include "../cam.h" 74 #include "../cam_ccb.h" 75 #include "../cam_extend.h" 76 #include "../cam_periph.h" 77 #include "../cam_xpt_periph.h" 78 #include "../cam_queue.h" 79 #include "../cam_sim.h" 80 81 #include "scsi_message.h" 82 #include "scsi_da.h" 83 #include "scsi_cd.h" 84 85 #define LEADOUT 0xaa /* leadout toc entry */ 86 87 struct cd_params { 88 u_int32_t blksize; 89 u_long disksize; 90 }; 91 92 typedef enum { 93 CD_Q_NONE = 0x00, 94 CD_Q_NO_TOUCH = 0x01, 95 CD_Q_BCD_TRACKS = 0x02, 96 CD_Q_NO_CHANGER = 0x04, 97 CD_Q_CHANGER = 0x08, 98 CD_Q_10_BYTE_ONLY = 0x10 99 } cd_quirks; 100 101 typedef enum { 102 CD_FLAG_INVALID = 0x0001, 103 CD_FLAG_NEW_DISC = 0x0002, 104 CD_FLAG_DISC_LOCKED = 0x0004, 105 CD_FLAG_DISC_REMOVABLE = 0x0008, 106 CD_FLAG_TAGGED_QUEUING = 0x0010, 107 CD_FLAG_CHANGER = 0x0040, 108 CD_FLAG_ACTIVE = 0x0080, 109 CD_FLAG_SCHED_ON_COMP = 0x0100, 110 CD_FLAG_RETRY_UA = 0x0200, 111 CD_FLAG_VALID_MEDIA = 0x0400, 112 CD_FLAG_VALID_TOC = 0x0800, 113 CD_FLAG_SCTX_INIT = 0x1000, 114 CD_FLAG_OPEN = 0x2000 115 } cd_flags; 116 117 typedef enum { 118 CD_CCB_PROBE = 0x01, 119 CD_CCB_BUFFER_IO = 0x02, 120 CD_CCB_WAITING = 0x03, 121 CD_CCB_TYPE_MASK = 0x0F, 122 CD_CCB_RETRY_UA = 0x10 123 } cd_ccb_state; 124 125 typedef enum { 126 CHANGER_TIMEOUT_SCHED = 0x01, 127 CHANGER_SHORT_TMOUT_SCHED = 0x02, 128 CHANGER_MANUAL_CALL = 0x04, 129 CHANGER_NEED_TIMEOUT = 0x08 130 } cd_changer_flags; 131 132 #define ccb_state ppriv_field0 133 #define ccb_bio ppriv_ptr1 134 135 struct cd_tocdata { 136 struct ioc_toc_header header; 137 struct cd_toc_entry entries[100]; 138 }; 139 140 struct cd_toc_single { 141 struct ioc_toc_header header; 142 struct cd_toc_entry entry; 143 }; 144 145 typedef enum { 146 CD_STATE_PROBE, 147 CD_STATE_NORMAL 148 } cd_state; 149 150 struct cd_softc { 151 cam_pinfo pinfo; 152 cd_state state; 153 volatile cd_flags flags; 154 struct bio_queue_head bio_queue; 155 LIST_HEAD(, ccb_hdr) pending_ccbs; 156 struct cd_params params; 157 struct disk disk; 158 union ccb saved_ccb; 159 cd_quirks quirks; 160 struct devstat device_stats; 161 STAILQ_ENTRY(cd_softc) changer_links; 162 struct cdchanger *changer; 163 int bufs_left; 164 struct cam_periph *periph; 165 int minimum_command_size; 166 int outstanding_cmds; 167 struct task sysctl_task; 168 struct sysctl_ctx_list sysctl_ctx; 169 struct sysctl_oid *sysctl_tree; 170 STAILQ_HEAD(, cd_mode_params) mode_queue; 171 struct cd_tocdata toc; 172 }; 173 174 struct cd_page_sizes { 175 int page; 176 int page_size; 177 }; 178 179 static struct cd_page_sizes cd_page_size_table[] = 180 { 181 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 182 }; 183 184 struct cd_quirk_entry { 185 struct scsi_inquiry_pattern inq_pat; 186 cd_quirks quirks; 187 }; 188 189 /* 190 * The changer quirk entries aren't strictly necessary. Basically, what 191 * they do is tell cdregister() up front that a device is a changer. 192 * Otherwise, it will figure that fact out once it sees a LUN on the device 193 * that is greater than 0. If it is known up front that a device is a changer, 194 * all I/O to the device will go through the changer scheduling routines, as 195 * opposed to the "normal" CD code. 196 * 197 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 198 * your device hangs when it gets a 10 byte command. Adding a quirk just 199 * to get rid of the informative diagnostic message is not acceptable. All 200 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 201 * referenced in a comment along with the quirk) , and must be approved by 202 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 203 * be removed until the submitter can explain why they are needed. 204 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 205 * when the CAM_NEW_TRAN_CODE work is done. 206 */ 207 static struct cd_quirk_entry cd_quirk_table[] = 208 { 209 { 210 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 211 /*quirks*/ CD_Q_CHANGER 212 }, 213 { 214 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 215 "*"}, /* quirks */ CD_Q_CHANGER 216 }, 217 { 218 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 219 /* quirks */ CD_Q_CHANGER 220 }, 221 { 222 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 223 /* quirks */ CD_Q_BCD_TRACKS 224 } 225 }; 226 227 static d_open_t cdopen; 228 static d_close_t cdclose; 229 static d_ioctl_t cdioctl; 230 static d_strategy_t cdstrategy; 231 232 static periph_init_t cdinit; 233 static periph_ctor_t cdregister; 234 static periph_dtor_t cdcleanup; 235 static periph_start_t cdstart; 236 static periph_oninv_t cdoninvalidate; 237 static void cdasync(void *callback_arg, u_int32_t code, 238 struct cam_path *path, void *arg); 239 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 240 static void cdshorttimeout(void *arg); 241 static void cdschedule(struct cam_periph *periph, int priority); 242 static void cdrunchangerqueue(void *arg); 243 static void cdchangerschedule(struct cd_softc *softc); 244 static int cdrunccb(union ccb *ccb, 245 int (*error_routine)(union ccb *ccb, 246 u_int32_t cam_flags, 247 u_int32_t sense_flags), 248 u_int32_t cam_flags, u_int32_t sense_flags); 249 static union ccb *cdgetccb(struct cam_periph *periph, 250 u_int32_t priority); 251 static void cddone(struct cam_periph *periph, 252 union ccb *start_ccb); 253 static int cderror(union ccb *ccb, u_int32_t cam_flags, 254 u_int32_t sense_flags); 255 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 256 static int cdgetpagesize(int page_num); 257 static void cdprevent(struct cam_periph *periph, int action); 258 static int cdcheckmedia(struct cam_periph *periph); 259 static int cdsize(struct cam_periph *periph, u_int32_t *size); 260 static int cd6byteworkaround(union ccb *ccb); 261 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 262 u_int32_t start, u_int8_t *data, 263 u_int32_t len, u_int32_t sense_flags); 264 static int cdgetmode(struct cam_periph *periph, 265 struct cd_mode_params *data, u_int32_t page); 266 static int cdsetmode(struct cam_periph *periph, 267 struct cd_mode_params *data); 268 static int cdplay(struct cam_periph *periph, u_int32_t blk, 269 u_int32_t len); 270 static int cdreadsubchannel(struct cam_periph *periph, 271 u_int32_t mode, u_int32_t format, 272 int track, 273 struct cd_sub_channel_info *data, 274 u_int32_t len); 275 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 276 u_int32_t starts, u_int32_t startf, 277 u_int32_t endm, u_int32_t ends, 278 u_int32_t endf); 279 static int cdplaytracks(struct cam_periph *periph, 280 u_int32_t strack, u_int32_t sindex, 281 u_int32_t etrack, u_int32_t eindex); 282 static int cdpause(struct cam_periph *periph, u_int32_t go); 283 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 284 static int cdstartunit(struct cam_periph *periph, int load); 285 static int cdsetspeed(struct cam_periph *periph, 286 u_int32_t rdspeed, u_int32_t wrspeed); 287 static int cdreportkey(struct cam_periph *periph, 288 struct dvd_authinfo *authinfo); 289 static int cdsendkey(struct cam_periph *periph, 290 struct dvd_authinfo *authinfo); 291 static int cdreaddvdstructure(struct cam_periph *periph, 292 struct dvd_struct *dvdstruct); 293 294 static struct periph_driver cddriver = 295 { 296 cdinit, "cd", 297 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 298 }; 299 300 PERIPHDRIVER_DECLARE(cd, cddriver); 301 302 static struct dev_ops cd_ops = { 303 { "cd", 0, D_DISK | D_MPSAFE }, 304 .d_open = cdopen, 305 .d_close = cdclose, 306 .d_read = physread, 307 .d_write = physwrite, 308 .d_ioctl = cdioctl, 309 .d_strategy = cdstrategy 310 }; 311 312 static struct extend_array *cdperiphs; 313 314 #ifndef CHANGER_MIN_BUSY_SECONDS 315 #define CHANGER_MIN_BUSY_SECONDS 5 316 #endif 317 #ifndef CHANGER_MAX_BUSY_SECONDS 318 #define CHANGER_MAX_BUSY_SECONDS 15 319 #endif 320 321 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 322 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 323 324 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 325 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 326 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 327 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 328 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 329 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 330 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 331 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 332 333 struct cdchanger { 334 path_id_t path_id; 335 target_id_t target_id; 336 int num_devices; 337 struct camq devq; 338 struct timeval start_time; 339 struct cd_softc *cur_device; 340 struct callout short_handle; 341 struct callout long_handle; 342 volatile cd_changer_flags flags; 343 STAILQ_ENTRY(cdchanger) changer_links; 344 STAILQ_HEAD(chdevlist, cd_softc) chluns; 345 }; 346 347 static struct lock changerq_lock; 348 static STAILQ_HEAD(changerlist, cdchanger) changerq; 349 static int num_changers; 350 351 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 352 353 static void 354 cdinit(void) 355 { 356 cam_status status; 357 358 lockinit(&changerq_lock, "cdchangerq", 0, LK_CANRECURSE); 359 STAILQ_INIT(&changerq); 360 361 /* 362 * Create our extend array for storing the devices we attach to. 363 */ 364 cdperiphs = cam_extend_new(); 365 if (cdperiphs == NULL) { 366 kprintf("cd: Failed to alloc extend array!\n"); 367 return; 368 } 369 370 /* 371 * Install a global async callback. This callback will 372 * receive async callbacks like "new device found". 373 */ 374 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 375 376 if (status != CAM_REQ_CMP) { 377 kprintf("cd: Failed to attach master async callback " 378 "due to status 0x%x!\n", status); 379 } 380 } 381 382 static void 383 cdoninvalidate(struct cam_periph *periph) 384 { 385 struct cd_softc *softc; 386 struct buf *q_bp; 387 struct bio *q_bio; 388 389 softc = (struct cd_softc *)periph->softc; 390 391 /* 392 * De-register any async callbacks. 393 */ 394 xpt_register_async(0, cdasync, periph, periph->path); 395 396 softc->flags |= CD_FLAG_INVALID; 397 398 /* 399 * Return all queued I/O with ENXIO. 400 * XXX Handle any transactions queued to the card 401 * with XPT_ABORT_CCB. 402 */ 403 while ((q_bio = bioq_takefirst(&softc->bio_queue)) != NULL) { 404 q_bp = q_bio->bio_buf; 405 q_bp->b_resid = q_bp->b_bcount; 406 q_bp->b_error = ENXIO; 407 q_bp->b_flags |= B_ERROR; 408 biodone(q_bio); 409 } 410 411 /* 412 * If this device is part of a changer, and it was scheduled 413 * to run, remove it from the run queue since we just nuked 414 * all of its scheduled I/O. 415 */ 416 if ((softc->flags & CD_FLAG_CHANGER) 417 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 418 camq_remove(&softc->changer->devq, softc->pinfo.index); 419 420 xpt_print(periph->path, "lost device\n"); 421 } 422 423 static void 424 cdcleanup(struct cam_periph *periph) 425 { 426 struct cd_softc *softc; 427 428 softc = (struct cd_softc *)periph->softc; 429 430 xpt_print(periph->path, "removing device entry\n"); 431 432 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 433 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 434 xpt_print(periph->path, "can't remove sysctl context\n"); 435 } 436 437 /* 438 * In the queued, non-active case, the device in question 439 * has already been removed from the changer run queue. Since this 440 * device is active, we need to de-activate it, and schedule 441 * another device to run. (if there is another one to run) 442 */ 443 if ((softc->flags & CD_FLAG_CHANGER) 444 && (softc->flags & CD_FLAG_ACTIVE)) { 445 446 /* 447 * The purpose of the short timeout is soley to determine 448 * whether the current device has finished or not. Well, 449 * since we're removing the active device, we know that it 450 * is finished. So, get rid of the short timeout. 451 * Otherwise, if we're in the time period before the short 452 * timeout fires, and there are no other devices in the 453 * queue to run, there won't be any other device put in the 454 * active slot. i.e., when we call cdrunchangerqueue() 455 * below, it won't do anything. Then, when the short 456 * timeout fires, it'll look at the "current device", which 457 * we are free below, and possibly panic the kernel on a 458 * bogus pointer reference. 459 * 460 * The long timeout doesn't really matter, since we 461 * decrement the qfrozen_cnt to indicate that there is 462 * nothing in the active slot now. Therefore, there won't 463 * be any bogus pointer references there. 464 */ 465 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 466 callout_stop(&softc->changer->short_handle); 467 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 468 } 469 softc->changer->devq.qfrozen_cnt--; 470 softc->changer->flags |= CHANGER_MANUAL_CALL; 471 cdrunchangerqueue(softc->changer); 472 } 473 474 /* 475 * If we're removing the last device on the changer, go ahead and 476 * remove the changer device structure. 477 */ 478 if ((softc->flags & CD_FLAG_CHANGER) 479 && (--softc->changer->num_devices == 0)) { 480 481 /* 482 * Theoretically, there shouldn't be any timeouts left, but 483 * I'm not completely sure that that will be the case. So, 484 * it won't hurt to check and see if there are any left. 485 */ 486 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 487 callout_stop(&softc->changer->long_handle); 488 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 489 } 490 491 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 492 callout_stop(&softc->changer->short_handle); 493 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 494 } 495 496 lockmgr(&changerq_lock, LK_EXCLUSIVE); 497 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 498 changer_links); 499 num_changers--; 500 lockmgr(&changerq_lock, LK_RELEASE); 501 xpt_print(periph->path, "removing changer entry\n"); 502 kfree(softc->changer, M_DEVBUF); 503 } 504 devstat_remove_entry(&softc->device_stats); 505 cam_extend_release(cdperiphs, periph->unit_number); 506 if (softc->disk.d_rawdev) { 507 cam_periph_unlock(periph); 508 disk_destroy(&softc->disk); 509 cam_periph_lock(periph); 510 } 511 kfree(softc, M_DEVBUF); 512 } 513 514 static void 515 cdasync(void *callback_arg, u_int32_t code, 516 struct cam_path *path, void *arg) 517 { 518 struct cam_periph *periph; 519 520 periph = (struct cam_periph *)callback_arg; 521 522 switch (code) { 523 case AC_FOUND_DEVICE: 524 { 525 struct ccb_getdev *cgd; 526 cam_status status; 527 528 cgd = (struct ccb_getdev *)arg; 529 if (cgd == NULL) 530 break; 531 532 if (SID_TYPE(&cgd->inq_data) != T_CDROM 533 && SID_TYPE(&cgd->inq_data) != T_WORM) 534 break; 535 536 /* 537 * Don't complain if a valid peripheral is already attached. 538 */ 539 periph = cam_periph_find(cgd->ccb_h.path, "cd"); 540 if (periph && (periph->flags & CAM_PERIPH_INVALID) == 0) 541 break; 542 543 /* 544 * Allocate a peripheral instance for 545 * this device and start the probe 546 * process. 547 */ 548 status = cam_periph_alloc(cdregister, cdoninvalidate, 549 cdcleanup, cdstart, 550 "cd", CAM_PERIPH_BIO, 551 cgd->ccb_h.path, cdasync, 552 AC_FOUND_DEVICE, cgd); 553 554 if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) { 555 kprintf("cdasync: Unable to attach new device " 556 "due to status 0x%x\n", status); 557 } 558 break; 559 } 560 case AC_SENT_BDR: 561 case AC_BUS_RESET: 562 { 563 struct cd_softc *softc; 564 struct ccb_hdr *ccbh; 565 566 softc = (struct cd_softc *)periph->softc; 567 /* 568 * Don't fail on the expected unit attention 569 * that will occur. 570 */ 571 softc->flags |= CD_FLAG_RETRY_UA; 572 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 573 ccbh->ccb_state |= CD_CCB_RETRY_UA; 574 /* FALLTHROUGH */ 575 } 576 default: 577 cam_periph_async(periph, code, path, arg); 578 break; 579 } 580 } 581 582 static void 583 cdsysctlinit(void *context, int pending) 584 { 585 struct cam_periph *periph; 586 struct cd_softc *softc; 587 char tmpstr[80], tmpstr2[80]; 588 589 get_mplock(); 590 periph = (struct cam_periph *)context; 591 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 592 rel_mplock(); 593 return; 594 } 595 596 softc = (struct cd_softc *)periph->softc; 597 ksnprintf(tmpstr, sizeof(tmpstr), 598 "CAM CD unit %d", periph->unit_number); 599 ksnprintf(tmpstr2, sizeof(tmpstr2), 600 "%d", periph->unit_number); 601 602 sysctl_ctx_free(&softc->sysctl_ctx); 603 sysctl_ctx_init(&softc->sysctl_ctx); 604 softc->flags |= CD_FLAG_SCTX_INIT; 605 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 606 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 607 tmpstr2, CTLFLAG_RD, 0, tmpstr); 608 609 if (softc->sysctl_tree == NULL) { 610 kprintf("cdsysctlinit: unable to allocate sysctl tree\n"); 611 cam_periph_release(periph); 612 rel_mplock(); 613 return; 614 } 615 616 /* 617 * Now register the sysctl handler, so the user can the value on 618 * the fly. 619 */ 620 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 621 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 622 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 623 "Minimum CDB size"); 624 625 cam_periph_release(periph); 626 rel_mplock(); 627 } 628 629 /* 630 * We have a handler function for this so we can check the values when the 631 * user sets them, instead of every time we look at them. 632 */ 633 static int 634 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 635 { 636 int error, value; 637 638 value = *(int *)arg1; 639 640 error = sysctl_handle_int(oidp, &value, 0, req); 641 642 if ((error != 0) || (req->newptr == NULL)) 643 return (error); 644 645 /* 646 * The only real values we can have here are 6 or 10. I don't 647 * really forsee having 12 be an option at any time in the future. 648 * So if the user sets something less than or equal to 6, we'll set 649 * it to 6. If he sets something greater than 6, we'll set it to 10. 650 * 651 * I suppose we could just return an error here for the wrong values, 652 * but I don't think it's necessary to do so, as long as we can 653 * determine the user's intent without too much trouble. 654 */ 655 if (value < 6) 656 value = 6; 657 else if (value > 6) 658 value = 10; 659 660 *(int *)arg1 = value; 661 662 return (0); 663 } 664 665 666 static cam_status 667 cdregister(struct cam_periph *periph, void *arg) 668 { 669 struct cd_softc *softc; 670 struct ccb_pathinq cpi; 671 struct ccb_getdev *cgd; 672 char tmpstr[80]; 673 caddr_t match; 674 675 cgd = (struct ccb_getdev *)arg; 676 if (periph == NULL) { 677 kprintf("cdregister: periph was NULL!!\n"); 678 return(CAM_REQ_CMP_ERR); 679 } 680 if (cgd == NULL) { 681 kprintf("cdregister: no getdev CCB, can't register device\n"); 682 return(CAM_REQ_CMP_ERR); 683 } 684 685 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 686 sysctl_ctx_init(&softc->sysctl_ctx); 687 LIST_INIT(&softc->pending_ccbs); 688 STAILQ_INIT(&softc->mode_queue); 689 softc->state = CD_STATE_PROBE; 690 bioq_init(&softc->bio_queue); 691 if (SID_IS_REMOVABLE(&cgd->inq_data)) 692 softc->flags |= CD_FLAG_DISC_REMOVABLE; 693 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 694 softc->flags |= CD_FLAG_TAGGED_QUEUING; 695 696 periph->softc = softc; 697 softc->periph = periph; 698 699 cam_extend_set(cdperiphs, periph->unit_number, periph); 700 701 /* 702 * See if this device has any quirks. 703 */ 704 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 705 (caddr_t)cd_quirk_table, 706 NELEM(cd_quirk_table), 707 sizeof(*cd_quirk_table), scsi_inquiry_match); 708 709 if (match != NULL) 710 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 711 else 712 softc->quirks = CD_Q_NONE; 713 714 /* Check if the SIM does not want 6 byte commands */ 715 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 716 cpi.ccb_h.func_code = XPT_PATH_INQ; 717 xpt_action((union ccb *)&cpi); 718 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 719 softc->quirks |= CD_Q_10_BYTE_ONLY; 720 721 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 722 723 /* The default is 6 byte commands, unless quirked otherwise */ 724 if (softc->quirks & CD_Q_10_BYTE_ONLY) 725 softc->minimum_command_size = 10; 726 else 727 softc->minimum_command_size = 6; 728 729 /* 730 * Load the user's default, if any. 731 */ 732 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 733 periph->unit_number); 734 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 735 736 /* 6 and 10 are the only permissible values here. */ 737 if (softc->minimum_command_size < 6) 738 softc->minimum_command_size = 6; 739 else if (softc->minimum_command_size > 6) 740 softc->minimum_command_size = 10; 741 742 /* 743 * We need to register the statistics structure for this device, 744 * but we don't have the blocksize yet for it. So, we register 745 * the structure and indicate that we don't have the blocksize 746 * yet. Unlike other SCSI peripheral drivers, we explicitly set 747 * the device type here to be CDROM, rather than just ORing in 748 * the device type. This is because this driver can attach to either 749 * CDROM or WORM devices, and we want this peripheral driver to 750 * show up in the devstat list as a CD peripheral driver, not a 751 * WORM peripheral driver. WORM drives will also have the WORM 752 * driver attached to them. 753 */ 754 cam_periph_unlock(periph); 755 devstat_add_entry(&softc->device_stats, "cd", 756 periph->unit_number, 0, 757 DEVSTAT_BS_UNAVAILABLE, 758 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 759 DEVSTAT_PRIORITY_CD); 760 disk_create(periph->unit_number, &softc->disk, &cd_ops); 761 disk_setdisktype(&softc->disk, "optical"); 762 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 763 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 764 DSO_COMPATPARTA; 765 cam_periph_lock(periph); 766 767 /* 768 * Add an async callback so that we get 769 * notified if this device goes away. 770 */ 771 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 772 cdasync, periph, periph->path); 773 774 /* 775 * If the target lun is greater than 0, we most likely have a CD 776 * changer device. Check the quirk entries as well, though, just 777 * in case someone has a CD tower with one lun per drive or 778 * something like that. Also, if we know up front that a 779 * particular device is a changer, we can mark it as such starting 780 * with lun 0, instead of lun 1. It shouldn't be necessary to have 781 * a quirk entry to define something as a changer, however. 782 */ 783 if (((cgd->ccb_h.target_lun > 0) 784 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 785 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 786 struct cdchanger *nchanger; 787 struct cam_periph *nperiph; 788 struct cam_path *path; 789 cam_status status; 790 int found; 791 792 /* Set the changer flag in the current device's softc */ 793 softc->flags |= CD_FLAG_CHANGER; 794 795 /* 796 * Now, look around for an existing changer device with the 797 * same path and target ID as the current device. 798 */ 799 lockmgr(&changerq_lock, LK_EXCLUSIVE); 800 for (found = 0, 801 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 802 nchanger != NULL; 803 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 804 if ((nchanger->path_id == cgd->ccb_h.path_id) 805 && (nchanger->target_id == cgd->ccb_h.target_id)) { 806 found = 1; 807 break; 808 } 809 } 810 lockmgr(&changerq_lock, LK_RELEASE); 811 812 /* 813 * If we found a matching entry, just add this device to 814 * the list of devices on this changer. 815 */ 816 if (found == 1) { 817 struct chdevlist *chlunhead; 818 819 chlunhead = &nchanger->chluns; 820 821 /* 822 * XXX KDM look at consolidating this code with the 823 * code below in a separate function. 824 */ 825 826 /* 827 * Create a path with lun id 0, and see if we can 828 * find a matching device 829 */ 830 status = xpt_create_path(&path, /*periph*/ periph, 831 cgd->ccb_h.path_id, 832 cgd->ccb_h.target_id, 0); 833 834 if ((status == CAM_REQ_CMP) 835 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 836 struct cd_softc *nsoftc; 837 838 nsoftc = (struct cd_softc *)nperiph->softc; 839 840 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 841 nsoftc->flags |= CD_FLAG_CHANGER; 842 nchanger->num_devices++; 843 if (camq_resize(&nchanger->devq, 844 nchanger->num_devices)!=CAM_REQ_CMP){ 845 kprintf("cdregister: " 846 "camq_resize " 847 "failed, changer " 848 "support may " 849 "be messed up\n"); 850 } 851 nsoftc->changer = nchanger; 852 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 853 854 STAILQ_INSERT_TAIL(&nchanger->chluns, 855 nsoftc,changer_links); 856 } 857 xpt_free_path(path); 858 } else if (status == CAM_REQ_CMP) 859 xpt_free_path(path); 860 else { 861 kprintf("cdregister: unable to allocate path\n" 862 "cdregister: changer support may be " 863 "broken\n"); 864 } 865 866 nchanger->num_devices++; 867 868 softc->changer = nchanger; 869 softc->pinfo.index = CAM_UNQUEUED_INDEX; 870 871 if (camq_resize(&nchanger->devq, 872 nchanger->num_devices) != CAM_REQ_CMP) { 873 kprintf("cdregister: camq_resize " 874 "failed, changer support may " 875 "be messed up\n"); 876 } 877 878 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 879 } 880 /* 881 * In this case, we don't already have an entry for this 882 * particular changer, so we need to create one, add it to 883 * the queue, and queue this device on the list for this 884 * changer. Before we queue this device, however, we need 885 * to search for lun id 0 on this target, and add it to the 886 * queue first, if it exists. (and if it hasn't already 887 * been marked as part of the changer.) 888 */ 889 else { 890 nchanger = kmalloc(sizeof(struct cdchanger), 891 M_DEVBUF, M_INTWAIT | M_ZERO); 892 callout_init(&nchanger->short_handle); 893 callout_init(&nchanger->long_handle); 894 if (camq_init(&nchanger->devq, 1) != 0) { 895 softc->flags &= ~CD_FLAG_CHANGER; 896 kprintf("cdregister: changer support " 897 "disabled\n"); 898 goto cdregisterexit; 899 } 900 901 nchanger->path_id = cgd->ccb_h.path_id; 902 nchanger->target_id = cgd->ccb_h.target_id; 903 904 /* this is superfluous, but it makes things clearer */ 905 nchanger->num_devices = 0; 906 907 STAILQ_INIT(&nchanger->chluns); 908 909 callout_init(&nchanger->long_handle); 910 callout_init(&nchanger->short_handle); 911 912 lockmgr(&changerq_lock, LK_EXCLUSIVE); 913 num_changers++; 914 STAILQ_INSERT_TAIL(&changerq, nchanger, 915 changer_links); 916 lockmgr(&changerq_lock, LK_RELEASE); 917 918 /* 919 * Create a path with lun id 0, and see if we can 920 * find a matching device 921 */ 922 status = xpt_create_path(&path, /*periph*/ periph, 923 cgd->ccb_h.path_id, 924 cgd->ccb_h.target_id, 0); 925 926 /* 927 * If we were able to allocate the path, and if we 928 * find a matching device and it isn't already 929 * marked as part of a changer, then we add it to 930 * the current changer. 931 */ 932 if ((status == CAM_REQ_CMP) 933 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 934 && ((((struct cd_softc *)periph->softc)->flags & 935 CD_FLAG_CHANGER) == 0)) { 936 struct cd_softc *nsoftc; 937 938 nsoftc = (struct cd_softc *)nperiph->softc; 939 940 nsoftc->flags |= CD_FLAG_CHANGER; 941 nchanger->num_devices++; 942 if (camq_resize(&nchanger->devq, 943 nchanger->num_devices) != CAM_REQ_CMP) { 944 kprintf("cdregister: camq_resize " 945 "failed, changer support may " 946 "be messed up\n"); 947 } 948 nsoftc->changer = nchanger; 949 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 950 951 STAILQ_INSERT_TAIL(&nchanger->chluns, 952 nsoftc, changer_links); 953 xpt_free_path(path); 954 } else if (status == CAM_REQ_CMP) 955 xpt_free_path(path); 956 else { 957 kprintf("cdregister: unable to allocate path\n" 958 "cdregister: changer support may be " 959 "broken\n"); 960 } 961 962 softc->changer = nchanger; 963 softc->pinfo.index = CAM_UNQUEUED_INDEX; 964 nchanger->num_devices++; 965 if (camq_resize(&nchanger->devq, 966 nchanger->num_devices) != CAM_REQ_CMP) { 967 kprintf("cdregister: camq_resize " 968 "failed, changer support may " 969 "be messed up\n"); 970 } 971 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 972 changer_links); 973 } 974 } 975 976 cdregisterexit: 977 978 /* 979 * Refcount and block open attempts until we are setup 980 * Can't block 981 */ 982 cam_periph_hold(periph, 0); 983 984 if ((softc->flags & CD_FLAG_CHANGER) == 0) 985 xpt_schedule(periph, /*priority*/5); 986 else 987 cdschedule(periph, /*priority*/ 5); 988 989 return(CAM_REQ_CMP); 990 } 991 992 static int 993 cdopen(struct dev_open_args *ap) 994 { 995 cdev_t dev = ap->a_head.a_dev; 996 struct cam_periph *periph; 997 struct cd_softc *softc; 998 int unit, error; 999 1000 unit = dkunit(dev); 1001 periph = cam_extend_get(cdperiphs, unit); 1002 1003 if (periph == NULL) 1004 return (ENXIO); 1005 1006 softc = (struct cd_softc *)periph->softc; 1007 1008 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1009 return(ENXIO); 1010 1011 cam_periph_lock(periph); 1012 1013 if (softc->flags & CD_FLAG_INVALID) { 1014 cam_periph_unlock(periph); 1015 cam_periph_release(periph); 1016 return(ENXIO); 1017 } 1018 1019 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1020 cam_periph_unlock(periph); 1021 cam_periph_release(periph); 1022 return (error); 1023 } 1024 1025 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1026 if (softc->flags & CD_FLAG_OPEN) 1027 cam_periph_release(periph); 1028 else 1029 softc->flags |= CD_FLAG_OPEN; 1030 1031 /* 1032 * Check for media, and set the appropriate flags. We don't bail 1033 * if we don't have media, but then we don't allow anything but the 1034 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1035 * 1036 * XXX KDM for now, we do fail the open if we don't have media. We 1037 * can change this once we've figured out how to make the slice 1038 * code work well with media changing underneath it. 1039 */ 1040 error = cdcheckmedia(periph); 1041 1042 cdprevent(periph, PR_PREVENT); 1043 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1044 cam_periph_unhold(periph, 1); 1045 /* stays acquired */ 1046 1047 return (0); 1048 } 1049 1050 static int 1051 cdclose(struct dev_close_args *ap) 1052 { 1053 cdev_t dev = ap->a_head.a_dev; 1054 struct cam_periph *periph; 1055 struct cd_softc *softc; 1056 struct disk_info *info; 1057 int unit; 1058 1059 unit = dkunit(dev); 1060 periph = cam_extend_get(cdperiphs, unit); 1061 if (periph == NULL) 1062 return (ENXIO); 1063 1064 softc = (struct cd_softc *)periph->softc; 1065 1066 cam_periph_lock(periph); 1067 cam_periph_hold(periph, 0); 1068 1069 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1070 cdprevent(periph, PR_ALLOW); 1071 1072 /* 1073 * Unconditionally set the dsopen() flags back to their default 1074 * state. 1075 */ 1076 info = &softc->disk.d_info; 1077 info->d_dsflags &= ~DSO_NOLABELS; 1078 info->d_dsflags |= DSO_COMPATLABEL; 1079 1080 /* 1081 * Since we're closing this CD, mark the blocksize as unavailable. 1082 * It will be marked as available when the CD is opened again. 1083 */ 1084 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1085 1086 /* 1087 * We'll check the media and toc again at the next open(). 1088 */ 1089 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1090 1091 cam_periph_unhold(periph, 1); 1092 cam_periph_release(periph); 1093 1094 return (0); 1095 } 1096 1097 static void 1098 cdshorttimeout(void *arg) 1099 { 1100 struct cdchanger *changer; 1101 1102 changer = (struct cdchanger *)arg; 1103 1104 /* Always clear the short timeout flag, since that's what we're in */ 1105 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1106 1107 /* 1108 * Check to see if there is any more pending or outstanding I/O for 1109 * this device. If not, move it out of the active slot. 1110 */ 1111 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1112 && (changer->cur_device->outstanding_cmds == 0)) { 1113 changer->flags |= CHANGER_MANUAL_CALL; 1114 cdrunchangerqueue(changer); 1115 } 1116 } 1117 1118 /* 1119 * This is a wrapper for xpt_schedule. It only applies to changers. 1120 */ 1121 static void 1122 cdschedule(struct cam_periph *periph, int priority) 1123 { 1124 struct cd_softc *softc; 1125 1126 softc = (struct cd_softc *)periph->softc; 1127 1128 /* 1129 * If this device isn't currently queued, and if it isn't 1130 * the active device, then we queue this device and run the 1131 * changer queue if there is no timeout scheduled to do it. 1132 * If this device is the active device, just schedule it 1133 * to run again. If this device is queued, there should be 1134 * a timeout in place already that will make sure it runs. 1135 */ 1136 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1137 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1138 /* 1139 * We don't do anything with the priority here. 1140 * This is strictly a fifo queue. 1141 */ 1142 softc->pinfo.priority = 1; 1143 softc->pinfo.generation = ++softc->changer->devq.generation; 1144 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1145 1146 /* 1147 * Since we just put a device in the changer queue, 1148 * check and see if there is a timeout scheduled for 1149 * this changer. If so, let the timeout handle 1150 * switching this device into the active slot. If 1151 * not, manually call the timeout routine to 1152 * bootstrap things. 1153 */ 1154 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1155 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1156 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1157 softc->changer->flags |= CHANGER_MANUAL_CALL; 1158 cdrunchangerqueue(softc->changer); 1159 } 1160 } else if ((softc->flags & CD_FLAG_ACTIVE) 1161 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1162 xpt_schedule(periph, priority); 1163 } 1164 } 1165 1166 static void 1167 cdrunchangerqueue(void *arg) 1168 { 1169 struct cd_softc *softc; 1170 struct cdchanger *changer; 1171 int called_from_timeout; 1172 1173 changer = (struct cdchanger *)arg; 1174 1175 /* 1176 * If we have NOT been called from cdstrategy() or cddone(), and 1177 * instead from a timeout routine, go ahead and clear the 1178 * timeout flag. 1179 */ 1180 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1181 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1182 called_from_timeout = 1; 1183 } else 1184 called_from_timeout = 0; 1185 1186 /* Always clear the manual call flag */ 1187 changer->flags &= ~CHANGER_MANUAL_CALL; 1188 1189 /* nothing to do if the queue is empty */ 1190 if (changer->devq.entries <= 0) { 1191 return; 1192 } 1193 1194 /* 1195 * If the changer queue is frozen, that means we have an active 1196 * device. 1197 */ 1198 if (changer->devq.qfrozen_cnt > 0) { 1199 1200 /* 1201 * We always need to reset the frozen count and clear the 1202 * active flag. 1203 */ 1204 changer->devq.qfrozen_cnt--; 1205 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1206 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1207 1208 if (changer->cur_device->outstanding_cmds > 0) { 1209 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1210 changer->cur_device->bufs_left = 1211 changer->cur_device->outstanding_cmds; 1212 if (called_from_timeout) { 1213 callout_reset(&changer->long_handle, 1214 changer_max_busy_seconds * hz, 1215 cdrunchangerqueue, changer); 1216 changer->flags |= CHANGER_TIMEOUT_SCHED; 1217 } 1218 return; 1219 } 1220 1221 /* 1222 * Check to see whether the current device has any I/O left 1223 * to do. If so, requeue it at the end of the queue. If 1224 * not, there is no need to requeue it. 1225 */ 1226 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1227 1228 changer->cur_device->pinfo.generation = 1229 ++changer->devq.generation; 1230 camq_insert(&changer->devq, 1231 (cam_pinfo *)changer->cur_device); 1232 } 1233 } 1234 1235 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1236 1237 changer->cur_device = softc; 1238 1239 changer->devq.qfrozen_cnt++; 1240 softc->flags |= CD_FLAG_ACTIVE; 1241 1242 /* Just in case this device is waiting */ 1243 wakeup(&softc->changer); 1244 xpt_schedule(softc->periph, /*priority*/ 1); 1245 1246 /* 1247 * Get rid of any pending timeouts, and set a flag to schedule new 1248 * ones so this device gets its full time quantum. 1249 */ 1250 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1251 callout_stop(&changer->long_handle); 1252 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1253 } 1254 1255 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1256 callout_stop(&changer->short_handle); 1257 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1258 } 1259 1260 /* 1261 * We need to schedule timeouts, but we only do this after the 1262 * first transaction has completed. This eliminates the changer 1263 * switch time. 1264 */ 1265 changer->flags |= CHANGER_NEED_TIMEOUT; 1266 } 1267 1268 static void 1269 cdchangerschedule(struct cd_softc *softc) 1270 { 1271 struct cdchanger *changer; 1272 1273 changer = softc->changer; 1274 1275 /* 1276 * If this is a changer, and this is the current device, 1277 * and this device has at least the minimum time quantum to 1278 * run, see if we can switch it out. 1279 */ 1280 if ((softc->flags & CD_FLAG_ACTIVE) 1281 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1282 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1283 /* 1284 * We try three things here. The first is that we 1285 * check to see whether the schedule on completion 1286 * flag is set. If it is, we decrement the number 1287 * of buffers left, and if it's zero, we reschedule. 1288 * Next, we check to see whether the pending buffer 1289 * queue is empty and whether there are no 1290 * outstanding transactions. If so, we reschedule. 1291 * Next, we see if the pending buffer queue is empty. 1292 * If it is, we set the number of buffers left to 1293 * the current active buffer count and set the 1294 * schedule on complete flag. 1295 */ 1296 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1297 if (--softc->bufs_left == 0) { 1298 softc->changer->flags |= 1299 CHANGER_MANUAL_CALL; 1300 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1301 cdrunchangerqueue(softc->changer); 1302 } 1303 } else if ((bioq_first(&softc->bio_queue) == NULL) 1304 && (softc->outstanding_cmds == 0)) { 1305 softc->changer->flags |= CHANGER_MANUAL_CALL; 1306 cdrunchangerqueue(softc->changer); 1307 } 1308 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1309 && (softc->flags & CD_FLAG_ACTIVE)) { 1310 1311 /* 1312 * Now that the first transaction to this 1313 * particular device has completed, we can go ahead 1314 * and schedule our timeouts. 1315 */ 1316 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1317 callout_reset(&changer->long_handle, 1318 changer_max_busy_seconds * hz, 1319 cdrunchangerqueue, changer); 1320 changer->flags |= CHANGER_TIMEOUT_SCHED; 1321 } else 1322 kprintf("cdchangerschedule: already have a long" 1323 " timeout!\n"); 1324 1325 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1326 callout_reset(&changer->short_handle, 1327 changer_min_busy_seconds * hz, 1328 cdshorttimeout, changer); 1329 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1330 } else 1331 kprintf("cdchangerschedule: already have a short " 1332 "timeout!\n"); 1333 1334 /* 1335 * We just scheduled timeouts, no need to schedule 1336 * more. 1337 */ 1338 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1339 1340 } 1341 } 1342 1343 static int 1344 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1345 u_int32_t cam_flags, 1346 u_int32_t sense_flags), 1347 u_int32_t cam_flags, u_int32_t sense_flags) 1348 { 1349 struct cd_softc *softc; 1350 struct cam_periph *periph; 1351 int error; 1352 1353 periph = xpt_path_periph(ccb->ccb_h.path); 1354 softc = (struct cd_softc *)periph->softc; 1355 1356 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1357 &softc->device_stats); 1358 1359 if (softc->flags & CD_FLAG_CHANGER) 1360 cdchangerschedule(softc); 1361 1362 return(error); 1363 } 1364 1365 static union ccb * 1366 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1367 { 1368 struct cd_softc *softc; 1369 1370 softc = (struct cd_softc *)periph->softc; 1371 1372 if (softc->flags & CD_FLAG_CHANGER) { 1373 /* 1374 * This should work the first time this device is woken up, 1375 * but just in case it doesn't, we use a while loop. 1376 */ 1377 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1378 /* 1379 * If this changer isn't already queued, queue it up. 1380 */ 1381 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1382 softc->pinfo.priority = 1; 1383 softc->pinfo.generation = 1384 ++softc->changer->devq.generation; 1385 camq_insert(&softc->changer->devq, 1386 (cam_pinfo *)softc); 1387 } 1388 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1389 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1390 && ((softc->changer->flags 1391 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1392 softc->changer->flags |= CHANGER_MANUAL_CALL; 1393 cdrunchangerqueue(softc->changer); 1394 } else 1395 sim_lock_sleep(&softc->changer, 0, "cgticb", 0, 1396 periph->sim->lock); 1397 } 1398 } 1399 return(cam_periph_getccb(periph, priority)); 1400 } 1401 1402 /* 1403 * Actually translate the requested transfer into one the physical driver 1404 * can understand. The transfer is described by a buf and will include 1405 * only one physical transfer. 1406 */ 1407 static int 1408 cdstrategy(struct dev_strategy_args *ap) 1409 { 1410 cdev_t dev = ap->a_head.a_dev; 1411 struct bio *bio = ap->a_bio; 1412 struct buf *bp = bio->bio_buf; 1413 struct cam_periph *periph; 1414 struct cd_softc *softc; 1415 u_int unit; 1416 1417 unit = dkunit(dev); 1418 periph = cam_extend_get(cdperiphs, unit); 1419 if (periph == NULL) { 1420 bp->b_error = ENXIO; 1421 goto bad; 1422 } 1423 1424 cam_periph_lock(periph); 1425 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1426 1427 softc = (struct cd_softc *)periph->softc; 1428 1429 /* 1430 * If the device has been made invalid, error out 1431 */ 1432 if ((softc->flags & CD_FLAG_INVALID)) { 1433 cam_periph_unlock(periph); 1434 bp->b_error = ENXIO; 1435 goto bad; 1436 } 1437 1438 /* 1439 * If we don't have valid media, look for it before trying to 1440 * schedule the I/O. 1441 */ 1442 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1443 int error; 1444 1445 error = cdcheckmedia(periph); 1446 if (error != 0) { 1447 cam_periph_unlock(periph); 1448 bp->b_error = error; 1449 goto bad; 1450 } 1451 } 1452 1453 /* 1454 * Place it in the queue of disk activities for this disk 1455 */ 1456 bioqdisksort(&softc->bio_queue, bio); 1457 1458 /* 1459 * Schedule ourselves for performing the work. We do things 1460 * differently for changers. 1461 */ 1462 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1463 xpt_schedule(periph, /* XXX priority */1); 1464 else 1465 cdschedule(periph, /* priority */ 1); 1466 1467 cam_periph_unlock(periph); 1468 return(0); 1469 bad: 1470 bp->b_flags |= B_ERROR; 1471 /* 1472 * Correctly set the buf to indicate a completed xfer 1473 */ 1474 bp->b_resid = bp->b_bcount; 1475 biodone(bio); 1476 return(0); 1477 } 1478 1479 static void 1480 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1481 { 1482 struct cd_softc *softc; 1483 struct bio *bio; 1484 struct buf *bp; 1485 struct ccb_scsiio *csio; 1486 struct scsi_read_capacity_data *rcap; 1487 1488 softc = (struct cd_softc *)periph->softc; 1489 1490 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1491 1492 switch (softc->state) { 1493 case CD_STATE_NORMAL: 1494 { 1495 bio = bioq_first(&softc->bio_queue); 1496 if (periph->immediate_priority <= periph->pinfo.priority) { 1497 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1498 1499 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1500 periph_links.sle); 1501 periph->immediate_priority = CAM_PRIORITY_NONE; 1502 wakeup(&periph->ccb_list); 1503 } else if (bio == NULL) { 1504 xpt_release_ccb(start_ccb); 1505 } else { 1506 bp = bio->bio_buf; 1507 bioq_remove(&softc->bio_queue, bio); 1508 1509 devstat_start_transaction(&softc->device_stats); 1510 1511 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1512 1513 scsi_read_write(&start_ccb->csio, 1514 /*retries*/4, 1515 /* cbfcnp */ cddone, 1516 (bp->b_flags & B_ORDERED) != 0 ? 1517 MSG_ORDERED_Q_TAG : 1518 MSG_SIMPLE_Q_TAG, 1519 /* read */(bp->b_cmd == BUF_CMD_READ), 1520 /* byte2 */ 0, 1521 /* minimum_cmd_size */ 10, 1522 /* lba */ 1523 bio->bio_offset / softc->params.blksize, 1524 bp->b_bcount / softc->params.blksize, 1525 /* data_ptr */ bp->b_data, 1526 /* dxfer_len */ bp->b_bcount, 1527 /* sense_len */ SSD_FULL_SIZE, 1528 /* timeout */ 30000); 1529 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1530 1531 1532 LIST_INSERT_HEAD(&softc->pending_ccbs, 1533 &start_ccb->ccb_h, periph_links.le); 1534 1535 softc->outstanding_cmds++; 1536 /* We expect a unit attention from this device */ 1537 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1538 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1539 softc->flags &= ~CD_FLAG_RETRY_UA; 1540 } 1541 1542 start_ccb->ccb_h.ccb_bio = bio; 1543 bio = bioq_first(&softc->bio_queue); 1544 1545 xpt_action(start_ccb); 1546 } 1547 if (bio != NULL) { 1548 /* Have more work to do, so ensure we stay scheduled */ 1549 xpt_schedule(periph, /* XXX priority */1); 1550 } 1551 break; 1552 } 1553 case CD_STATE_PROBE: 1554 { 1555 1556 rcap = kmalloc(sizeof(*rcap), M_SCSICD, M_INTWAIT); 1557 csio = &start_ccb->csio; 1558 scsi_read_capacity(csio, 1559 /*retries*/1, 1560 cddone, 1561 MSG_SIMPLE_Q_TAG, 1562 rcap, 1563 SSD_FULL_SIZE, 1564 /*timeout*/20000); 1565 start_ccb->ccb_h.ccb_bio = NULL; 1566 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1567 xpt_action(start_ccb); 1568 break; 1569 } 1570 } 1571 } 1572 1573 static void 1574 cddone(struct cam_periph *periph, union ccb *done_ccb) 1575 { 1576 struct cd_softc *softc; 1577 struct ccb_scsiio *csio; 1578 1579 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1580 1581 softc = (struct cd_softc *)periph->softc; 1582 csio = &done_ccb->csio; 1583 1584 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1585 case CD_CCB_BUFFER_IO: 1586 { 1587 struct buf *bp; 1588 struct bio *bio; 1589 int error; 1590 1591 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1592 bp = bio->bio_buf; 1593 error = 0; 1594 1595 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1596 int sf; 1597 1598 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1599 sf = SF_RETRY_UA; 1600 else 1601 sf = 0; 1602 1603 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1604 if (error == ERESTART) { 1605 /* 1606 * A retry was scheuled, so 1607 * just return. 1608 */ 1609 return; 1610 } 1611 } 1612 1613 if (error != 0) { 1614 struct bio *q_bio; 1615 struct buf *q_bp; 1616 1617 xpt_print(periph->path, 1618 "cddone: got error %#x back\n", error); 1619 while ((q_bio = bioq_takefirst(&softc->bio_queue)) != NULL) { 1620 q_bp = q_bio->bio_buf; 1621 q_bp->b_resid = q_bp->b_bcount; 1622 q_bp->b_error = EIO; 1623 q_bp->b_flags |= B_ERROR; 1624 biodone(q_bio); 1625 } 1626 bp->b_resid = bp->b_bcount; 1627 bp->b_error = error; 1628 bp->b_flags |= B_ERROR; 1629 cam_release_devq(done_ccb->ccb_h.path, 1630 /*relsim_flags*/0, 1631 /*reduction*/0, 1632 /*timeout*/0, 1633 /*getcount_only*/0); 1634 1635 } else { 1636 bp->b_resid = csio->resid; 1637 bp->b_error = 0; 1638 if (bp->b_resid != 0) { 1639 /* Short transfer ??? */ 1640 bp->b_flags |= B_ERROR; 1641 } 1642 } 1643 1644 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1645 softc->outstanding_cmds--; 1646 1647 if (softc->flags & CD_FLAG_CHANGER) 1648 cdchangerschedule(softc); 1649 1650 devstat_end_transaction_buf(&softc->device_stats, bp); 1651 biodone(bio); 1652 break; 1653 } 1654 case CD_CCB_PROBE: 1655 { 1656 /* 1657 * Currently (9/30/97) the longest possible announce 1658 * buffer is 108 bytes, for the first error case below. 1659 * That is 39 bytes for the basic string, 16 bytes for the 1660 * biggest sense key (hardware error), 52 bytes for the 1661 * text of the largest sense qualifier valid for a CDROM, 1662 * (0x72, 0x03 or 0x04, 0x03), and one byte for the 1663 * null terminating character. To allow for longer strings, 1664 * the announce buffer is 120 bytes. 1665 * 1666 * We need to call disk_setdiskinfo() before the disk 1667 * subsystem will allow any opens. Because additional 1668 * probe code is in cdopen() we do this now whether a CD 1669 * is present or not. 1670 */ 1671 struct scsi_read_capacity_data *rdcap; 1672 struct disk_info info; 1673 char announce_buf[120]; 1674 struct cd_params *cdp; 1675 1676 cdp = &softc->params; 1677 bzero(&info, sizeof(info)); 1678 info.d_type = DTYPE_SCSI; 1679 info.d_dsflags &= ~DSO_COMPATLABEL; 1680 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 1681 info.d_serialno = xpt_path_serialno(periph->path); 1682 1683 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1684 1685 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1686 cdp->blksize = scsi_4btoul (rdcap->length); 1687 1688 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1689 ksnprintf(announce_buf, sizeof(announce_buf), 1690 "cd present [%lu x %lu byte records]", 1691 cdp->disksize, (u_long)cdp->blksize); 1692 info.d_media_blksize = cdp->blksize; 1693 info.d_media_blocks = cdp->disksize; 1694 disk_setdiskinfo(&softc->disk, &info); 1695 } else { 1696 int error; 1697 1698 /* 1699 * Retry any UNIT ATTENTION type errors. They 1700 * are expected at boot. 1701 */ 1702 error = cderror(done_ccb, CAM_RETRY_SELTO, 1703 SF_RETRY_UA | SF_NO_PRINT); 1704 if (error == ERESTART) { 1705 /* 1706 * A retry was scheuled, so 1707 * just return. 1708 */ 1709 return; 1710 } else if (error != 0) { 1711 struct scsi_sense_data *sense; 1712 int asc, ascq; 1713 int sense_key, error_code; 1714 int have_sense; 1715 cam_status status; 1716 struct ccb_getdev cgd; 1717 1718 /* Don't wedge this device's queue */ 1719 cam_release_devq(done_ccb->ccb_h.path, 1720 /*relsim_flags*/0, 1721 /*reduction*/0, 1722 /*timeout*/0, 1723 /*getcount_only*/0); 1724 1725 status = done_ccb->ccb_h.status; 1726 1727 xpt_setup_ccb(&cgd.ccb_h, 1728 done_ccb->ccb_h.path, 1729 /* priority */ 1); 1730 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1731 xpt_action((union ccb *)&cgd); 1732 1733 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1734 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1735 || ((status & CAM_AUTOSNS_VALID) == 0)) 1736 have_sense = FALSE; 1737 else 1738 have_sense = TRUE; 1739 1740 if (have_sense) { 1741 sense = &csio->sense_data; 1742 scsi_extract_sense(sense, &error_code, 1743 &sense_key, 1744 &asc, &ascq); 1745 } 1746 /* 1747 * Attach to anything that claims to be a 1748 * CDROM or WORM device, as long as it 1749 * doesn't return a "Logical unit not 1750 * supported" (0x25) error. 1751 */ 1752 if ((have_sense) && (asc != 0x25) 1753 && (error_code == SSD_CURRENT_ERROR)) { 1754 const char *sense_key_desc; 1755 const char *asc_desc; 1756 1757 scsi_sense_desc(sense_key, asc, ascq, 1758 &cgd.inq_data, 1759 &sense_key_desc, 1760 &asc_desc); 1761 ksnprintf(announce_buf, 1762 sizeof(announce_buf), 1763 "Attempt to query device " 1764 "size failed: %s, %s", 1765 sense_key_desc, 1766 asc_desc); 1767 info.d_media_blksize = 2048; 1768 disk_setdiskinfo(&softc->disk, &info); 1769 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1770 /* 1771 * We only print out an error for 1772 * CDROM type devices. For WORM 1773 * devices, we don't print out an 1774 * error since a few WORM devices 1775 * don't support CDROM commands. 1776 * If we have sense information, go 1777 * ahead and print it out. 1778 * Otherwise, just say that we 1779 * couldn't attach. 1780 */ 1781 1782 /* 1783 * Just print out the error, not 1784 * the full probe message, when we 1785 * don't attach. 1786 */ 1787 if (have_sense) 1788 scsi_sense_print( 1789 &done_ccb->csio); 1790 else { 1791 xpt_print(periph->path, 1792 "got CAM status %#x\n", 1793 done_ccb->ccb_h.status); 1794 } 1795 xpt_print(periph->path, "fatal error, " 1796 "failed to attach to device\n"); 1797 /* 1798 * Invalidate this peripheral. 1799 */ 1800 cam_periph_invalidate(periph); 1801 1802 announce_buf[0] = '\0'; 1803 } else { 1804 1805 /* 1806 * Invalidate this peripheral. 1807 */ 1808 cam_periph_invalidate(periph); 1809 announce_buf[0] = '\0'; 1810 } 1811 } 1812 } 1813 kfree(rdcap, M_SCSICD); 1814 if (announce_buf[0] != '\0') { 1815 xpt_announce_periph(periph, announce_buf); 1816 if (softc->flags & CD_FLAG_CHANGER) 1817 cdchangerschedule(softc); 1818 /* 1819 * Create our sysctl variables, now that we know 1820 * we have successfully attached. 1821 */ 1822 taskqueue_enqueue(taskqueue_thread[mycpuid], 1823 &softc->sysctl_task); 1824 } 1825 softc->state = CD_STATE_NORMAL; 1826 /* 1827 * Since our peripheral may be invalidated by an error 1828 * above or an external event, we must release our CCB 1829 * before releasing the probe lock on the peripheral. 1830 * The peripheral will only go away once the last lock 1831 * is removed, and we need it around for the CCB release 1832 * operation. 1833 */ 1834 xpt_release_ccb(done_ccb); 1835 cam_periph_unhold(periph, 0); 1836 return; 1837 } 1838 case CD_CCB_WAITING: 1839 { 1840 /* Caller will release the CCB */ 1841 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1842 ("trying to wakeup ccbwait\n")); 1843 1844 wakeup(&done_ccb->ccb_h.cbfcnp); 1845 return; 1846 } 1847 default: 1848 break; 1849 } 1850 xpt_release_ccb(done_ccb); 1851 } 1852 1853 static union cd_pages * 1854 cdgetpage(struct cd_mode_params *mode_params) 1855 { 1856 union cd_pages *page; 1857 1858 if (mode_params->cdb_size == 10) 1859 page = (union cd_pages *)find_mode_page_10( 1860 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1861 else 1862 page = (union cd_pages *)find_mode_page_6( 1863 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1864 1865 return (page); 1866 } 1867 1868 static int 1869 cdgetpagesize(int page_num) 1870 { 1871 int i; 1872 1873 for (i = 0; i < NELEM(cd_page_size_table); i++) { 1874 if (cd_page_size_table[i].page == page_num) 1875 return (cd_page_size_table[i].page_size); 1876 } 1877 return (-1); 1878 } 1879 1880 static int 1881 cdioctl(struct dev_ioctl_args *ap) 1882 { 1883 cdev_t dev = ap->a_head.a_dev; 1884 caddr_t addr = ap->a_data; 1885 struct cam_periph *periph; 1886 struct cd_softc *softc; 1887 int unit, error = 0; 1888 1889 unit = dkunit(dev); 1890 1891 periph = cam_extend_get(cdperiphs, unit); 1892 if (periph == NULL) 1893 return(ENXIO); 1894 1895 cam_periph_lock(periph); 1896 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1897 1898 softc = (struct cd_softc *)periph->softc; 1899 1900 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1901 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1902 1903 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1904 cam_periph_unlock(periph); 1905 cam_periph_release(periph); 1906 return (error); 1907 } 1908 1909 /* 1910 * If we don't have media loaded, check for it. If still don't 1911 * have media loaded, we can only do a load or eject. 1912 * 1913 * We only care whether media is loaded if this is a cd-specific ioctl 1914 * (thus the IOCGROUP check below). Note that this will break if 1915 * anyone adds any ioctls into the switch statement below that don't 1916 * have their ioctl group set to 'c'. 1917 */ 1918 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1919 && ((ap->a_cmd != CDIOCCLOSE) 1920 && (ap->a_cmd != CDIOCEJECT)) 1921 && (IOCGROUP(ap->a_cmd) == 'c')) { 1922 error = cdcheckmedia(periph); 1923 if (error != 0) { 1924 cam_periph_unhold(periph, 1); 1925 return (error); 1926 } 1927 } 1928 /* 1929 * Drop the lock here so later mallocs can use WAITOK. The periph 1930 * is essentially locked still with the cam_periph_hold call above. 1931 */ 1932 cam_periph_unlock(periph); 1933 1934 switch (ap->a_cmd) { 1935 1936 case CDIOCPLAYTRACKS: 1937 { 1938 struct ioc_play_track *args 1939 = (struct ioc_play_track *)addr; 1940 struct cd_mode_params params; 1941 union cd_pages *page; 1942 1943 params.alloc_len = sizeof(union cd_mode_data_6_10); 1944 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 1945 M_WAITOK | M_ZERO); 1946 1947 cam_periph_lock(periph); 1948 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1949 ("trying to do CDIOCPLAYTRACKS\n")); 1950 1951 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1952 if (error) { 1953 kfree(params.mode_buf, M_SCSICD); 1954 cam_periph_unlock(periph); 1955 break; 1956 } 1957 page = cdgetpage(¶ms); 1958 1959 page->audio.flags &= ~CD_PA_SOTC; 1960 page->audio.flags |= CD_PA_IMMED; 1961 error = cdsetmode(periph, ¶ms); 1962 kfree(params.mode_buf, M_SCSICD); 1963 if (error) { 1964 cam_periph_unlock(periph); 1965 break; 1966 } 1967 1968 /* 1969 * This was originally implemented with the PLAY 1970 * AUDIO TRACK INDEX command, but that command was 1971 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1972 * drives support it but ATAPI and ATAPI-derivative 1973 * drives don't seem to support it. So we keep a 1974 * cache of the table of contents and translate 1975 * track numbers to MSF format. 1976 */ 1977 if (softc->flags & CD_FLAG_VALID_TOC) { 1978 union msf_lba *sentry, *eentry; 1979 int st, et; 1980 1981 if (args->end_track < 1982 softc->toc.header.ending_track + 1) 1983 args->end_track++; 1984 if (args->end_track > 1985 softc->toc.header.ending_track + 1) 1986 args->end_track = 1987 softc->toc.header.ending_track + 1; 1988 st = args->start_track - 1989 softc->toc.header.starting_track; 1990 et = args->end_track - 1991 softc->toc.header.starting_track; 1992 if ((st < 0) 1993 || (et < 0) 1994 || (st > (softc->toc.header.ending_track - 1995 softc->toc.header.starting_track))) { 1996 error = EINVAL; 1997 break; 1998 } 1999 sentry = &softc->toc.entries[st].addr; 2000 eentry = &softc->toc.entries[et].addr; 2001 error = cdplaymsf(periph, 2002 sentry->msf.minute, 2003 sentry->msf.second, 2004 sentry->msf.frame, 2005 eentry->msf.minute, 2006 eentry->msf.second, 2007 eentry->msf.frame); 2008 } else { 2009 /* 2010 * If we don't have a valid TOC, try the 2011 * play track index command. It is part of 2012 * the SCSI-2 spec, but was removed in the 2013 * MMC specs. ATAPI and ATAPI-derived 2014 * drives don't support it. 2015 */ 2016 if (softc->quirks & CD_Q_BCD_TRACKS) { 2017 args->start_track = 2018 bin2bcd(args->start_track); 2019 args->end_track = 2020 bin2bcd(args->end_track); 2021 } 2022 error = cdplaytracks(periph, 2023 args->start_track, 2024 args->start_index, 2025 args->end_track, 2026 args->end_index); 2027 } 2028 cam_periph_unlock(periph); 2029 } 2030 break; 2031 case CDIOCPLAYMSF: 2032 { 2033 struct ioc_play_msf *args 2034 = (struct ioc_play_msf *) addr; 2035 struct cd_mode_params params; 2036 union cd_pages *page; 2037 2038 params.alloc_len = sizeof(union cd_mode_data_6_10); 2039 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2040 M_WAITOK | M_ZERO); 2041 2042 cam_periph_lock(periph); 2043 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2044 ("trying to do CDIOCPLAYMSF\n")); 2045 2046 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2047 if (error) { 2048 kfree(params.mode_buf, M_SCSICD); 2049 cam_periph_unlock(periph); 2050 break; 2051 } 2052 page = cdgetpage(¶ms); 2053 2054 page->audio.flags &= ~CD_PA_SOTC; 2055 page->audio.flags |= CD_PA_IMMED; 2056 error = cdsetmode(periph, ¶ms); 2057 kfree(params.mode_buf, M_SCSICD); 2058 if (error) { 2059 cam_periph_unlock(periph); 2060 break; 2061 } 2062 error = cdplaymsf(periph, 2063 args->start_m, 2064 args->start_s, 2065 args->start_f, 2066 args->end_m, 2067 args->end_s, 2068 args->end_f); 2069 cam_periph_unlock(periph); 2070 } 2071 break; 2072 case CDIOCPLAYBLOCKS: 2073 { 2074 struct ioc_play_blocks *args 2075 = (struct ioc_play_blocks *) addr; 2076 struct cd_mode_params params; 2077 union cd_pages *page; 2078 2079 params.alloc_len = sizeof(union cd_mode_data_6_10); 2080 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2081 M_WAITOK | M_ZERO); 2082 cam_periph_lock(periph); 2083 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2084 ("trying to do CDIOCPLAYBLOCKS\n")); 2085 2086 2087 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2088 if (error) { 2089 kfree(params.mode_buf, M_SCSICD); 2090 cam_periph_unlock(periph); 2091 break; 2092 } 2093 page = cdgetpage(¶ms); 2094 2095 page->audio.flags &= ~CD_PA_SOTC; 2096 page->audio.flags |= CD_PA_IMMED; 2097 error = cdsetmode(periph, ¶ms); 2098 kfree(params.mode_buf, M_SCSICD); 2099 if (error) { 2100 cam_periph_unlock(periph); 2101 break; 2102 } 2103 error = cdplay(periph, args->blk, args->len); 2104 cam_periph_unlock(periph); 2105 } 2106 break; 2107 case CDIOCREADSUBCHANNEL: 2108 { 2109 struct ioc_read_subchannel *args 2110 = (struct ioc_read_subchannel *) addr; 2111 struct cd_sub_channel_info *data; 2112 u_int32_t len = args->data_len; 2113 2114 data = kmalloc(sizeof(struct cd_sub_channel_info), 2115 M_SCSICD, M_WAITOK); 2116 2117 cam_periph_lock(periph); 2118 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2119 ("trying to do CDIOCREADSUBCHANNEL\n")); 2120 2121 if ((len > sizeof(struct cd_sub_channel_info)) || 2122 (len < sizeof(struct cd_sub_channel_header))) { 2123 kprintf( 2124 "scsi_cd: cdioctl: " 2125 "cdioreadsubchannel: error, len=%d\n", 2126 len); 2127 error = EINVAL; 2128 kfree(data, M_SCSICD); 2129 cam_periph_unlock(periph); 2130 break; 2131 } 2132 2133 if (softc->quirks & CD_Q_BCD_TRACKS) 2134 args->track = bin2bcd(args->track); 2135 2136 error = cdreadsubchannel(periph, args->address_format, 2137 args->data_format, args->track, data, len); 2138 2139 if (error) { 2140 kfree(data, M_SCSICD); 2141 cam_periph_unlock(periph); 2142 break; 2143 } 2144 if (softc->quirks & CD_Q_BCD_TRACKS) 2145 data->what.track_info.track_number = 2146 bcd2bin(data->what.track_info.track_number); 2147 len = min(len, ((data->header.data_len[0] << 8) + 2148 data->header.data_len[1] + 2149 sizeof(struct cd_sub_channel_header))); 2150 cam_periph_unlock(periph); 2151 if (copyout(data, args->data, len) != 0) { 2152 error = EFAULT; 2153 } 2154 kfree(data, M_SCSICD); 2155 } 2156 break; 2157 2158 case CDIOREADTOCHEADER: 2159 { 2160 struct ioc_toc_header *th; 2161 2162 th = kmalloc(sizeof(struct ioc_toc_header), M_SCSICD, 2163 M_WAITOK); 2164 2165 cam_periph_lock(periph); 2166 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2167 ("trying to do CDIOREADTOCHEADER\n")); 2168 2169 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2170 sizeof (*th), /*sense_flags*/0); 2171 if (error) { 2172 kfree(th, M_SCSICD); 2173 cam_periph_unlock(periph); 2174 break; 2175 } 2176 if (softc->quirks & CD_Q_BCD_TRACKS) { 2177 /* we are going to have to convert the BCD 2178 * encoding on the cd to what is expected 2179 */ 2180 th->starting_track = 2181 bcd2bin(th->starting_track); 2182 th->ending_track = bcd2bin(th->ending_track); 2183 } 2184 th->len = ntohs(th->len); 2185 bcopy(th, addr, sizeof(*th)); 2186 kfree(th, M_SCSICD); 2187 cam_periph_unlock(periph); 2188 } 2189 break; 2190 case CDIOREADTOCENTRYS: 2191 { 2192 struct cd_tocdata *data; 2193 struct cd_toc_single *lead; 2194 struct ioc_read_toc_entry *te = 2195 (struct ioc_read_toc_entry *) addr; 2196 struct ioc_toc_header *th; 2197 u_int32_t len, readlen, idx, num; 2198 u_int32_t starting_track = te->starting_track; 2199 2200 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2201 lead = kmalloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2202 2203 cam_periph_lock(periph); 2204 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2205 ("trying to do CDIOREADTOCENTRYS\n")); 2206 2207 if (te->data_len < sizeof(struct cd_toc_entry) 2208 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2209 || (te->address_format != CD_MSF_FORMAT 2210 && te->address_format != CD_LBA_FORMAT)) { 2211 error = EINVAL; 2212 kprintf("scsi_cd: error in readtocentries, " 2213 "returning EINVAL\n"); 2214 kfree(data, M_SCSICD); 2215 kfree(lead, M_SCSICD); 2216 cam_periph_unlock(periph); 2217 break; 2218 } 2219 2220 th = &data->header; 2221 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2222 sizeof (*th), /*sense_flags*/0); 2223 if (error) { 2224 kfree(data, M_SCSICD); 2225 kfree(lead, M_SCSICD); 2226 cam_periph_unlock(periph); 2227 break; 2228 } 2229 2230 if (softc->quirks & CD_Q_BCD_TRACKS) { 2231 /* we are going to have to convert the BCD 2232 * encoding on the cd to what is expected 2233 */ 2234 th->starting_track = 2235 bcd2bin(th->starting_track); 2236 th->ending_track = bcd2bin(th->ending_track); 2237 } 2238 2239 if (starting_track == 0) 2240 starting_track = th->starting_track; 2241 else if (starting_track == LEADOUT) 2242 starting_track = th->ending_track + 1; 2243 else if (starting_track < th->starting_track || 2244 starting_track > th->ending_track + 1) { 2245 kprintf("scsi_cd: error in readtocentries, " 2246 "returning EINVAL\n"); 2247 kfree(data, M_SCSICD); 2248 kfree(lead, M_SCSICD); 2249 cam_periph_unlock(periph); 2250 error = EINVAL; 2251 break; 2252 } 2253 2254 /* calculate reading length without leadout entry */ 2255 readlen = (th->ending_track - starting_track + 1) * 2256 sizeof(struct cd_toc_entry); 2257 2258 /* and with leadout entry */ 2259 len = readlen + sizeof(struct cd_toc_entry); 2260 if (te->data_len < len) { 2261 len = te->data_len; 2262 if (readlen > len) 2263 readlen = len; 2264 } 2265 if (len > sizeof(data->entries)) { 2266 kprintf("scsi_cd: error in readtocentries, " 2267 "returning EINVAL\n"); 2268 error = EINVAL; 2269 kfree(data, M_SCSICD); 2270 kfree(lead, M_SCSICD); 2271 cam_periph_unlock(periph); 2272 break; 2273 } 2274 num = len / sizeof(struct cd_toc_entry); 2275 2276 if (readlen > 0) { 2277 error = cdreadtoc(periph, te->address_format, 2278 starting_track, 2279 (u_int8_t *)data, 2280 readlen + sizeof (*th), 2281 /*sense_flags*/0); 2282 if (error) { 2283 kfree(data, M_SCSICD); 2284 kfree(lead, M_SCSICD); 2285 cam_periph_unlock(periph); 2286 break; 2287 } 2288 } 2289 2290 /* make leadout entry if needed */ 2291 idx = starting_track + num - 1; 2292 if (softc->quirks & CD_Q_BCD_TRACKS) 2293 th->ending_track = bcd2bin(th->ending_track); 2294 if (idx == th->ending_track + 1) { 2295 error = cdreadtoc(periph, te->address_format, 2296 LEADOUT, (u_int8_t *)lead, 2297 sizeof(*lead), 2298 /*sense_flags*/0); 2299 if (error) { 2300 kfree(data, M_SCSICD); 2301 kfree(lead, M_SCSICD); 2302 cam_periph_unlock(periph); 2303 break; 2304 } 2305 data->entries[idx - starting_track] = 2306 lead->entry; 2307 } 2308 if (softc->quirks & CD_Q_BCD_TRACKS) { 2309 for (idx = 0; idx < num - 1; idx++) { 2310 data->entries[idx].track = 2311 bcd2bin(data->entries[idx].track); 2312 } 2313 } 2314 2315 cam_periph_unlock(periph); 2316 error = copyout(data->entries, te->data, len); 2317 kfree(data, M_SCSICD); 2318 kfree(lead, M_SCSICD); 2319 } 2320 break; 2321 case CDIOREADTOCENTRY: 2322 { 2323 struct cd_toc_single *data; 2324 struct ioc_read_toc_single_entry *te = 2325 (struct ioc_read_toc_single_entry *) addr; 2326 struct ioc_toc_header *th; 2327 u_int32_t track; 2328 2329 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2330 2331 cam_periph_lock(periph); 2332 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2333 ("trying to do CDIOREADTOCENTRY\n")); 2334 2335 if (te->address_format != CD_MSF_FORMAT 2336 && te->address_format != CD_LBA_FORMAT) { 2337 kprintf("error in readtocentry, " 2338 " returning EINVAL\n"); 2339 kfree(data, M_SCSICD); 2340 error = EINVAL; 2341 cam_periph_unlock(periph); 2342 break; 2343 } 2344 2345 th = &data->header; 2346 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2347 sizeof (*th), /*sense_flags*/0); 2348 if (error) { 2349 kfree(data, M_SCSICD); 2350 cam_periph_unlock(periph); 2351 break; 2352 } 2353 2354 if (softc->quirks & CD_Q_BCD_TRACKS) { 2355 /* we are going to have to convert the BCD 2356 * encoding on the cd to what is expected 2357 */ 2358 th->starting_track = 2359 bcd2bin(th->starting_track); 2360 th->ending_track = bcd2bin(th->ending_track); 2361 } 2362 track = te->track; 2363 if (track == 0) 2364 track = th->starting_track; 2365 else if (track == LEADOUT) 2366 /* OK */; 2367 else if (track < th->starting_track || 2368 track > th->ending_track + 1) { 2369 kprintf("error in readtocentry, " 2370 " returning EINVAL\n"); 2371 kfree(data, M_SCSICD); 2372 error = EINVAL; 2373 cam_periph_unlock(periph); 2374 break; 2375 } 2376 2377 error = cdreadtoc(periph, te->address_format, track, 2378 (u_int8_t *)data, sizeof(*data), 2379 /*sense_flags*/0); 2380 if (error) { 2381 kfree(data, M_SCSICD); 2382 cam_periph_unlock(periph); 2383 break; 2384 } 2385 2386 if (softc->quirks & CD_Q_BCD_TRACKS) 2387 data->entry.track = bcd2bin(data->entry.track); 2388 bcopy(&data->entry, &te->entry, 2389 sizeof(struct cd_toc_entry)); 2390 kfree(data, M_SCSICD); 2391 cam_periph_unlock(periph); 2392 } 2393 break; 2394 case CDIOCSETPATCH: 2395 { 2396 struct ioc_patch *arg = (struct ioc_patch *)addr; 2397 struct cd_mode_params params; 2398 union cd_pages *page; 2399 2400 params.alloc_len = sizeof(union cd_mode_data_6_10); 2401 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2402 M_WAITOK | M_ZERO); 2403 2404 cam_periph_lock(periph); 2405 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2406 ("trying to do CDIOCSETPATCH\n")); 2407 2408 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2409 if (error) { 2410 kfree(params.mode_buf, M_SCSICD); 2411 cam_periph_unlock(periph); 2412 break; 2413 } 2414 page = cdgetpage(¶ms); 2415 2416 page->audio.port[LEFT_PORT].channels = 2417 arg->patch[0]; 2418 page->audio.port[RIGHT_PORT].channels = 2419 arg->patch[1]; 2420 page->audio.port[2].channels = arg->patch[2]; 2421 page->audio.port[3].channels = arg->patch[3]; 2422 error = cdsetmode(periph, ¶ms); 2423 kfree(params.mode_buf, M_SCSICD); 2424 cam_periph_unlock(periph); 2425 } 2426 break; 2427 case CDIOCGETVOL: 2428 { 2429 struct ioc_vol *arg = (struct ioc_vol *) addr; 2430 struct cd_mode_params params; 2431 union cd_pages *page; 2432 2433 params.alloc_len = sizeof(union cd_mode_data_6_10); 2434 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2435 M_WAITOK | M_ZERO); 2436 2437 cam_periph_lock(periph); 2438 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2439 ("trying to do CDIOCGETVOL\n")); 2440 2441 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2442 if (error) { 2443 kfree(params.mode_buf, M_SCSICD); 2444 cam_periph_unlock(periph); 2445 break; 2446 } 2447 page = cdgetpage(¶ms); 2448 2449 arg->vol[LEFT_PORT] = 2450 page->audio.port[LEFT_PORT].volume; 2451 arg->vol[RIGHT_PORT] = 2452 page->audio.port[RIGHT_PORT].volume; 2453 arg->vol[2] = page->audio.port[2].volume; 2454 arg->vol[3] = page->audio.port[3].volume; 2455 kfree(params.mode_buf, M_SCSICD); 2456 cam_periph_unlock(periph); 2457 } 2458 break; 2459 case CDIOCSETVOL: 2460 { 2461 struct ioc_vol *arg = (struct ioc_vol *) addr; 2462 struct cd_mode_params params; 2463 union cd_pages *page; 2464 2465 params.alloc_len = sizeof(union cd_mode_data_6_10); 2466 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2467 M_WAITOK | M_ZERO); 2468 2469 cam_periph_lock(periph); 2470 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2471 ("trying to do CDIOCSETVOL\n")); 2472 2473 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2474 if (error) { 2475 kfree(params.mode_buf, M_SCSICD); 2476 cam_periph_unlock(periph); 2477 break; 2478 } 2479 page = cdgetpage(¶ms); 2480 2481 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2482 page->audio.port[LEFT_PORT].volume = 2483 arg->vol[LEFT_PORT]; 2484 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2485 page->audio.port[RIGHT_PORT].volume = 2486 arg->vol[RIGHT_PORT]; 2487 page->audio.port[2].volume = arg->vol[2]; 2488 page->audio.port[3].volume = arg->vol[3]; 2489 error = cdsetmode(periph, ¶ms); 2490 cam_periph_unlock(periph); 2491 kfree(params.mode_buf, M_SCSICD); 2492 } 2493 break; 2494 case CDIOCSETMONO: 2495 { 2496 struct cd_mode_params params; 2497 union cd_pages *page; 2498 2499 params.alloc_len = sizeof(union cd_mode_data_6_10); 2500 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2501 M_WAITOK | M_ZERO); 2502 2503 cam_periph_lock(periph); 2504 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2505 ("trying to do CDIOCSETMONO\n")); 2506 2507 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2508 if (error) { 2509 kfree(params.mode_buf, M_SCSICD); 2510 cam_periph_unlock(periph); 2511 break; 2512 } 2513 page = cdgetpage(¶ms); 2514 2515 page->audio.port[LEFT_PORT].channels = 2516 LEFT_CHANNEL | RIGHT_CHANNEL; 2517 page->audio.port[RIGHT_PORT].channels = 2518 LEFT_CHANNEL | RIGHT_CHANNEL; 2519 page->audio.port[2].channels = 0; 2520 page->audio.port[3].channels = 0; 2521 error = cdsetmode(periph, ¶ms); 2522 cam_periph_unlock(periph); 2523 kfree(params.mode_buf, M_SCSICD); 2524 } 2525 break; 2526 case CDIOCSETSTEREO: 2527 { 2528 struct cd_mode_params params; 2529 union cd_pages *page; 2530 2531 params.alloc_len = sizeof(union cd_mode_data_6_10); 2532 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2533 M_WAITOK | M_ZERO); 2534 2535 cam_periph_lock(periph); 2536 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2537 ("trying to do CDIOCSETSTEREO\n")); 2538 2539 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2540 if (error) { 2541 kfree(params.mode_buf, M_SCSICD); 2542 cam_periph_unlock(periph); 2543 break; 2544 } 2545 page = cdgetpage(¶ms); 2546 2547 page->audio.port[LEFT_PORT].channels = 2548 LEFT_CHANNEL; 2549 page->audio.port[RIGHT_PORT].channels = 2550 RIGHT_CHANNEL; 2551 page->audio.port[2].channels = 0; 2552 page->audio.port[3].channels = 0; 2553 error = cdsetmode(periph, ¶ms); 2554 kfree(params.mode_buf, M_SCSICD); 2555 cam_periph_unlock(periph); 2556 } 2557 break; 2558 case CDIOCSETMUTE: 2559 { 2560 struct cd_mode_params params; 2561 union cd_pages *page; 2562 2563 params.alloc_len = sizeof(union cd_mode_data_6_10); 2564 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2565 M_WAITOK | M_ZERO); 2566 2567 cam_periph_lock(periph); 2568 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2569 ("trying to do CDIOCSETMUTE\n")); 2570 2571 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2572 if (error) { 2573 kfree(¶ms, M_SCSICD); 2574 cam_periph_unlock(periph); 2575 break; 2576 } 2577 page = cdgetpage(¶ms); 2578 2579 page->audio.port[LEFT_PORT].channels = 0; 2580 page->audio.port[RIGHT_PORT].channels = 0; 2581 page->audio.port[2].channels = 0; 2582 page->audio.port[3].channels = 0; 2583 error = cdsetmode(periph, ¶ms); 2584 kfree(params.mode_buf, M_SCSICD); 2585 cam_periph_unlock(periph); 2586 } 2587 break; 2588 case CDIOCSETLEFT: 2589 { 2590 struct cd_mode_params params; 2591 union cd_pages *page; 2592 2593 params.alloc_len = sizeof(union cd_mode_data_6_10); 2594 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2595 M_WAITOK | M_ZERO); 2596 2597 cam_periph_lock(periph); 2598 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2599 ("trying to do CDIOCSETLEFT\n")); 2600 2601 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2602 if (error) { 2603 kfree(params.mode_buf, M_SCSICD); 2604 cam_periph_unlock(periph); 2605 break; 2606 } 2607 page = cdgetpage(¶ms); 2608 2609 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2610 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2611 page->audio.port[2].channels = 0; 2612 page->audio.port[3].channels = 0; 2613 error = cdsetmode(periph, ¶ms); 2614 kfree(params.mode_buf, M_SCSICD); 2615 cam_periph_unlock(periph); 2616 } 2617 break; 2618 case CDIOCSETRIGHT: 2619 { 2620 struct cd_mode_params params; 2621 union cd_pages *page; 2622 2623 params.alloc_len = sizeof(union cd_mode_data_6_10); 2624 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2625 M_WAITOK | M_ZERO); 2626 2627 cam_periph_lock(periph); 2628 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2629 ("trying to do CDIOCSETRIGHT\n")); 2630 2631 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2632 if (error) { 2633 kfree(params.mode_buf, M_SCSICD); 2634 cam_periph_unlock(periph); 2635 break; 2636 } 2637 page = cdgetpage(¶ms); 2638 2639 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2640 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2641 page->audio.port[2].channels = 0; 2642 page->audio.port[3].channels = 0; 2643 error = cdsetmode(periph, ¶ms); 2644 kfree(params.mode_buf, M_SCSICD); 2645 cam_periph_unlock(periph); 2646 } 2647 break; 2648 case CDIOCRESUME: 2649 cam_periph_lock(periph); 2650 error = cdpause(periph, 1); 2651 cam_periph_unlock(periph); 2652 break; 2653 case CDIOCPAUSE: 2654 cam_periph_lock(periph); 2655 error = cdpause(periph, 0); 2656 cam_periph_unlock(periph); 2657 break; 2658 case CDIOCSTART: 2659 cam_periph_lock(periph); 2660 error = cdstartunit(periph, 0); 2661 cam_periph_unlock(periph); 2662 break; 2663 case CDIOCCLOSE: 2664 cam_periph_lock(periph); 2665 error = cdstartunit(periph, 1); 2666 cam_periph_unlock(periph); 2667 break; 2668 case CDIOCSTOP: 2669 cam_periph_lock(periph); 2670 error = cdstopunit(periph, 0); 2671 cam_periph_unlock(periph); 2672 break; 2673 case CDIOCEJECT: 2674 cam_periph_lock(periph); 2675 error = cdstopunit(periph, 1); 2676 cam_periph_unlock(periph); 2677 break; 2678 case CDIOCALLOW: 2679 cam_periph_lock(periph); 2680 cdprevent(periph, PR_ALLOW); 2681 cam_periph_unlock(periph); 2682 break; 2683 case CDIOCPREVENT: 2684 cam_periph_lock(periph); 2685 cdprevent(periph, PR_PREVENT); 2686 cam_periph_unlock(periph); 2687 break; 2688 case CDIOCSETDEBUG: 2689 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2690 error = ENOTTY; 2691 break; 2692 case CDIOCCLRDEBUG: 2693 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2694 error = ENOTTY; 2695 break; 2696 case CDIOCRESET: 2697 /* return (cd_reset(periph)); */ 2698 error = ENOTTY; 2699 break; 2700 case CDRIOCREADSPEED: 2701 cam_periph_lock(periph); 2702 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2703 cam_periph_unlock(periph); 2704 break; 2705 case CDRIOCWRITESPEED: 2706 cam_periph_lock(periph); 2707 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2708 cam_periph_unlock(periph); 2709 break; 2710 case DVDIOCSENDKEY: 2711 case DVDIOCREPORTKEY: { 2712 struct dvd_authinfo *authinfo; 2713 2714 authinfo = (struct dvd_authinfo *)addr; 2715 2716 cam_periph_lock(periph); 2717 if (ap->a_cmd == DVDIOCREPORTKEY) 2718 error = cdreportkey(periph, authinfo); 2719 else 2720 error = cdsendkey(periph, authinfo); 2721 cam_periph_unlock(periph); 2722 break; 2723 } 2724 case DVDIOCREADSTRUCTURE: { 2725 struct dvd_struct *dvdstruct; 2726 2727 dvdstruct = (struct dvd_struct *)addr; 2728 2729 cam_periph_lock(periph); 2730 error = cdreaddvdstructure(periph, dvdstruct); 2731 cam_periph_unlock(periph); 2732 2733 break; 2734 } 2735 default: 2736 cam_periph_lock(periph); 2737 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2738 cam_periph_unlock(periph); 2739 break; 2740 } 2741 2742 cam_periph_lock(periph); 2743 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2744 cam_periph_unhold(periph, 1); 2745 2746 return (error); 2747 } 2748 2749 static void 2750 cdprevent(struct cam_periph *periph, int action) 2751 { 2752 union ccb *ccb; 2753 struct cd_softc *softc; 2754 int error; 2755 2756 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2757 2758 softc = (struct cd_softc *)periph->softc; 2759 2760 if (((action == PR_ALLOW) 2761 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2762 || ((action == PR_PREVENT) 2763 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2764 return; 2765 } 2766 2767 ccb = cdgetccb(periph, /* priority */ 1); 2768 2769 scsi_prevent(&ccb->csio, 2770 /*retries*/ 1, 2771 cddone, 2772 MSG_SIMPLE_Q_TAG, 2773 action, 2774 SSD_FULL_SIZE, 2775 /* timeout */60000); 2776 2777 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2778 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2779 2780 xpt_release_ccb(ccb); 2781 2782 if (error == 0) { 2783 if (action == PR_ALLOW) 2784 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2785 else 2786 softc->flags |= CD_FLAG_DISC_LOCKED; 2787 } 2788 } 2789 2790 static int 2791 cdcheckmedia(struct cam_periph *periph) 2792 { 2793 struct cd_softc *softc; 2794 struct ioc_toc_header *toch; 2795 struct cd_toc_single leadout; 2796 struct ccb_getdev cgd; 2797 u_int32_t size, toclen; 2798 int error, num_entries, cdindex; 2799 int first_track_audio; 2800 struct disk_info info; 2801 2802 softc = (struct cd_softc *)periph->softc; 2803 2804 first_track_audio = -1; 2805 error = 0; 2806 2807 /* 2808 * Set up disk info fields and tell the disk subsystem to reset 2809 * its internal copy of the label. 2810 */ 2811 bzero(&info, sizeof(info)); 2812 info.d_type = DTYPE_SCSI; 2813 info.d_dsflags &= ~DSO_COMPATLABEL; 2814 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2815 info.d_serialno = xpt_path_serialno(periph->path); 2816 2817 /* 2818 * Grab the inquiry data to get the vendor and product names. 2819 * Put them in the typename and packname for the label. 2820 */ 2821 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2822 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2823 xpt_action((union ccb *)&cgd); 2824 2825 #if 0 2826 strncpy(label->d_typename, cgd.inq_data.vendor, 2827 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2828 strncpy(label->d_packname, cgd.inq_data.product, 2829 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2830 #endif 2831 /* 2832 * Clear the valid media and TOC flags until we've verified that we 2833 * have both. 2834 */ 2835 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2836 2837 /* 2838 * Get the disc size and block size. If we can't get it, we don't 2839 * have media, most likely. 2840 */ 2841 if ((error = cdsize(periph, &size)) != 0) { 2842 /* 2843 * Set a bogus sector size, so the slice code won't try to 2844 * divide by 0 and panic the kernel. 2845 */ 2846 info.d_media_blksize = 2048; 2847 disk_setdiskinfo(&softc->disk, &info); 2848 2849 /* 2850 * Tell devstat(9) we don't have a blocksize. 2851 */ 2852 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2853 2854 return (error); 2855 } else { 2856 info.d_media_blksize = softc->params.blksize; 2857 info.d_media_blocks = softc->params.disksize; 2858 disk_setdiskinfo(&softc->disk, &info); 2859 2860 /* 2861 * We unconditionally (re)set the blocksize each time the 2862 * CD device is opened. This is because the CD can change, 2863 * and therefore the blocksize might change. 2864 * XXX problems here if some slice or partition is still 2865 * open with the old size? 2866 */ 2867 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2868 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2869 softc->device_stats.block_size = softc->params.blksize; 2870 2871 softc->flags |= CD_FLAG_VALID_MEDIA; 2872 } 2873 2874 /* 2875 * Now we check the table of contents. This (currently) is only 2876 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2877 * things like present a separate entry in /dev for each track, 2878 * like that acd(4) driver does. 2879 */ 2880 bzero(&softc->toc, sizeof(softc->toc)); 2881 toch = &softc->toc.header; 2882 2883 /* 2884 * We will get errors here for media that doesn't have a table of 2885 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2886 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2887 * has not been recorded (no complete session) and the Format codes 2888 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2889 * with an INVALID FIELD IN CDB. Devices that are not capable of 2890 * reading an incomplete session on DDC/CD-R/RW media shall report 2891 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2892 * 2893 * So this isn't fatal if we can't read the table of contents, it 2894 * just means that the user won't be able to issue the play tracks 2895 * ioctl, and likely lots of other stuff won't work either. They 2896 * need to burn the CD before we can do a whole lot with it. So 2897 * we don't print anything here if we get an error back. 2898 */ 2899 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2900 SF_NO_PRINT); 2901 /* 2902 * Errors in reading the table of contents aren't fatal, we just 2903 * won't have a valid table of contents cached. 2904 */ 2905 if (error != 0) { 2906 error = 0; 2907 bzero(&softc->toc, sizeof(softc->toc)); 2908 goto bailout; 2909 } 2910 2911 if (softc->quirks & CD_Q_BCD_TRACKS) { 2912 toch->starting_track = bcd2bin(toch->starting_track); 2913 toch->ending_track = bcd2bin(toch->ending_track); 2914 } 2915 2916 /* Number of TOC entries, plus leadout */ 2917 num_entries = (toch->ending_track - toch->starting_track) + 2; 2918 2919 if (num_entries <= 0) 2920 goto bailout; 2921 2922 toclen = num_entries * sizeof(struct cd_toc_entry); 2923 2924 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2925 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2926 SF_NO_PRINT); 2927 if (error != 0) { 2928 error = 0; 2929 bzero(&softc->toc, sizeof(softc->toc)); 2930 goto bailout; 2931 } 2932 2933 if (softc->quirks & CD_Q_BCD_TRACKS) { 2934 toch->starting_track = bcd2bin(toch->starting_track); 2935 toch->ending_track = bcd2bin(toch->ending_track); 2936 } 2937 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2938 2939 /* 2940 * XXX KDM is this necessary? Probably only if the drive doesn't 2941 * return leadout information with the table of contents. 2942 */ 2943 cdindex = toch->starting_track + num_entries -1; 2944 if (cdindex == toch->ending_track + 1) { 2945 2946 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2947 (u_int8_t *)&leadout, sizeof(leadout), 2948 SF_NO_PRINT); 2949 if (error != 0) { 2950 error = 0; 2951 goto bailout; 2952 } 2953 softc->toc.entries[cdindex - toch->starting_track] = 2954 leadout.entry; 2955 } 2956 if (softc->quirks & CD_Q_BCD_TRACKS) { 2957 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2958 softc->toc.entries[cdindex].track = 2959 bcd2bin(softc->toc.entries[cdindex].track); 2960 } 2961 } 2962 2963 /* 2964 * Run through the TOC entries, find the first entry and determine 2965 * whether it is an audio or data track. 2966 */ 2967 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2968 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2969 if (softc->toc.entries[cdindex].control & 0x04) 2970 first_track_audio = 0; 2971 else 2972 first_track_audio = 1; 2973 break; 2974 } 2975 } 2976 2977 /* 2978 * If first_track_audio is non-zero, we either have an error (e.g. 2979 * couldn't find the starting track) or the first track is an audio 2980 * track. If first_track_audio is 0, the first track is a data 2981 * track that could have a disklabel. Attempt to read the 2982 * disklabel off the media, just in case the user put one there. 2983 */ 2984 if (first_track_audio == 0) { 2985 info.d_dsflags |= DSO_COMPATLABEL; 2986 info.d_dsflags &= ~DSO_NOLABELS; 2987 disk_setdiskinfo(&softc->disk, &info); 2988 } 2989 softc->flags |= CD_FLAG_VALID_TOC; 2990 2991 bailout: 2992 return (error); 2993 } 2994 2995 static int 2996 cdsize(struct cam_periph *periph, u_int32_t *size) 2997 { 2998 struct cd_softc *softc; 2999 union ccb *ccb; 3000 struct scsi_read_capacity_data *rcap_buf; 3001 int error; 3002 3003 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3004 3005 softc = (struct cd_softc *)periph->softc; 3006 3007 ccb = cdgetccb(periph, /* priority */ 1); 3008 3009 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3010 M_SCSICD, M_INTWAIT | M_ZERO); 3011 3012 scsi_read_capacity(&ccb->csio, 3013 /*retries*/ 1, 3014 cddone, 3015 MSG_SIMPLE_Q_TAG, 3016 rcap_buf, 3017 SSD_FULL_SIZE, 3018 /* timeout */20000); 3019 3020 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3021 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3022 3023 xpt_release_ccb(ccb); 3024 3025 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3026 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3027 /* 3028 * SCSI-3 mandates that the reported blocksize shall be 2048. 3029 * Older drives sometimes report funny values, trim it down to 3030 * 2048, or other parts of the kernel will get confused. 3031 * 3032 * XXX we leave drives alone that might report 512 bytes, as 3033 * well as drives reporting more weird sizes like perhaps 4K. 3034 */ 3035 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3036 softc->params.blksize = 2048; 3037 3038 kfree(rcap_buf, M_SCSICD); 3039 *size = softc->params.disksize; 3040 3041 return (error); 3042 3043 } 3044 3045 static int 3046 cd6byteworkaround(union ccb *ccb) 3047 { 3048 u_int8_t *cdb; 3049 struct cam_periph *periph; 3050 struct cd_softc *softc; 3051 struct cd_mode_params *params; 3052 int frozen, found; 3053 3054 periph = xpt_path_periph(ccb->ccb_h.path); 3055 softc = (struct cd_softc *)periph->softc; 3056 3057 cdb = ccb->csio.cdb_io.cdb_bytes; 3058 3059 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3060 || ((cdb[0] != MODE_SENSE_6) 3061 && (cdb[0] != MODE_SELECT_6))) 3062 return (0); 3063 3064 /* 3065 * Because there is no convenient place to stash the overall 3066 * cd_mode_params structure pointer, we have to grab it like this. 3067 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3068 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3069 * 3070 * XXX It would be nice if, at some point, we could increase the 3071 * number of available peripheral private pointers. Both pointers 3072 * are currently used in most every peripheral driver. 3073 */ 3074 found = 0; 3075 3076 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3077 if (params->mode_buf == ccb->csio.data_ptr) { 3078 found = 1; 3079 break; 3080 } 3081 } 3082 3083 /* 3084 * This shouldn't happen. All mode sense and mode select 3085 * operations in the cd(4) driver MUST go through cdgetmode() and 3086 * cdsetmode()! 3087 */ 3088 if (found == 0) { 3089 xpt_print(periph->path, 3090 "mode buffer not found in mode queue!\n"); 3091 return (0); 3092 } 3093 3094 params->cdb_size = 10; 3095 softc->minimum_command_size = 10; 3096 xpt_print(ccb->ccb_h.path, 3097 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3098 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3099 3100 if (cdb[0] == MODE_SENSE_6) { 3101 struct scsi_mode_sense_10 ms10; 3102 struct scsi_mode_sense_6 *ms6; 3103 int len; 3104 3105 ms6 = (struct scsi_mode_sense_6 *)cdb; 3106 3107 bzero(&ms10, sizeof(ms10)); 3108 ms10.opcode = MODE_SENSE_10; 3109 ms10.byte2 = ms6->byte2; 3110 ms10.page = ms6->page; 3111 3112 /* 3113 * 10 byte mode header, block descriptor, 3114 * sizeof(union cd_pages) 3115 */ 3116 len = sizeof(struct cd_mode_data_10); 3117 ccb->csio.dxfer_len = len; 3118 3119 scsi_ulto2b(len, ms10.length); 3120 ms10.control = ms6->control; 3121 bcopy(&ms10, cdb, 10); 3122 ccb->csio.cdb_len = 10; 3123 } else { 3124 struct scsi_mode_select_10 ms10; 3125 struct scsi_mode_select_6 *ms6; 3126 struct scsi_mode_header_6 *header6; 3127 struct scsi_mode_header_10 *header10; 3128 struct scsi_mode_page_header *page_header; 3129 int blk_desc_len, page_num, page_size, len; 3130 3131 ms6 = (struct scsi_mode_select_6 *)cdb; 3132 3133 bzero(&ms10, sizeof(ms10)); 3134 ms10.opcode = MODE_SELECT_10; 3135 ms10.byte2 = ms6->byte2; 3136 3137 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3138 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3139 3140 page_header = find_mode_page_6(header6); 3141 page_num = page_header->page_code; 3142 3143 blk_desc_len = header6->blk_desc_len; 3144 3145 page_size = cdgetpagesize(page_num); 3146 3147 if (page_size != (page_header->page_length + 3148 sizeof(*page_header))) 3149 page_size = page_header->page_length + 3150 sizeof(*page_header); 3151 3152 len = sizeof(*header10) + blk_desc_len + page_size; 3153 3154 len = min(params->alloc_len, len); 3155 3156 /* 3157 * Since the 6 byte parameter header is shorter than the 10 3158 * byte parameter header, we need to copy the actual mode 3159 * page data, and the block descriptor, if any, so things wind 3160 * up in the right place. The regions will overlap, but 3161 * bcopy() does the right thing. 3162 */ 3163 bcopy(params->mode_buf + sizeof(*header6), 3164 params->mode_buf + sizeof(*header10), 3165 len - sizeof(*header10)); 3166 3167 /* Make sure these fields are set correctly. */ 3168 scsi_ulto2b(0, header10->data_length); 3169 header10->medium_type = 0; 3170 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3171 3172 ccb->csio.dxfer_len = len; 3173 3174 scsi_ulto2b(len, ms10.length); 3175 ms10.control = ms6->control; 3176 bcopy(&ms10, cdb, 10); 3177 ccb->csio.cdb_len = 10; 3178 } 3179 3180 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3181 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3182 xpt_action(ccb); 3183 if (frozen) { 3184 cam_release_devq(ccb->ccb_h.path, 3185 /*relsim_flags*/0, 3186 /*openings*/0, 3187 /*timeout*/0, 3188 /*getcount_only*/0); 3189 } 3190 3191 return (ERESTART); 3192 } 3193 3194 static int 3195 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3196 { 3197 struct cd_softc *softc; 3198 struct cam_periph *periph; 3199 int error; 3200 3201 periph = xpt_path_periph(ccb->ccb_h.path); 3202 softc = (struct cd_softc *)periph->softc; 3203 3204 error = 0; 3205 3206 /* 3207 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3208 * CDB comes back with this particular error, try transforming it 3209 * into the 10 byte version. 3210 */ 3211 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3212 error = cd6byteworkaround(ccb); 3213 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3214 CAM_SCSI_STATUS_ERROR) 3215 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3216 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3217 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3218 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3219 int sense_key, error_code, asc, ascq; 3220 3221 scsi_extract_sense(&ccb->csio.sense_data, 3222 &error_code, &sense_key, &asc, &ascq); 3223 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3224 error = cd6byteworkaround(ccb); 3225 } 3226 3227 if (error == ERESTART) 3228 return (error); 3229 3230 /* 3231 * XXX 3232 * Until we have a better way of doing pack validation, 3233 * don't treat UAs as errors. 3234 */ 3235 sense_flags |= SF_RETRY_UA; 3236 return (cam_periph_error(ccb, cam_flags, sense_flags, 3237 &softc->saved_ccb)); 3238 } 3239 3240 /* 3241 * Read table of contents 3242 */ 3243 static int 3244 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3245 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3246 { 3247 struct scsi_read_toc *scsi_cmd; 3248 u_int32_t ntoc; 3249 struct ccb_scsiio *csio; 3250 union ccb *ccb; 3251 int error; 3252 3253 ntoc = len; 3254 error = 0; 3255 3256 ccb = cdgetccb(periph, /* priority */ 1); 3257 3258 csio = &ccb->csio; 3259 3260 cam_fill_csio(csio, 3261 /* retries */ 1, 3262 /* cbfcnp */ cddone, 3263 /* flags */ CAM_DIR_IN, 3264 /* tag_action */ MSG_SIMPLE_Q_TAG, 3265 /* data_ptr */ data, 3266 /* dxfer_len */ len, 3267 /* sense_len */ SSD_FULL_SIZE, 3268 sizeof(struct scsi_read_toc), 3269 /* timeout */ 50000); 3270 3271 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3272 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3273 3274 if (mode == CD_MSF_FORMAT) 3275 scsi_cmd->byte2 |= CD_MSF; 3276 scsi_cmd->from_track = start; 3277 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3278 scsi_cmd->data_len[0] = (ntoc) >> 8; 3279 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3280 3281 scsi_cmd->op_code = READ_TOC; 3282 3283 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3284 /*sense_flags*/SF_RETRY_UA | sense_flags); 3285 3286 xpt_release_ccb(ccb); 3287 3288 return(error); 3289 } 3290 3291 static int 3292 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3293 u_int32_t format, int track, 3294 struct cd_sub_channel_info *data, u_int32_t len) 3295 { 3296 struct scsi_read_subchannel *scsi_cmd; 3297 struct ccb_scsiio *csio; 3298 union ccb *ccb; 3299 int error; 3300 3301 error = 0; 3302 3303 ccb = cdgetccb(periph, /* priority */ 1); 3304 3305 csio = &ccb->csio; 3306 3307 cam_fill_csio(csio, 3308 /* retries */ 1, 3309 /* cbfcnp */ cddone, 3310 /* flags */ CAM_DIR_IN, 3311 /* tag_action */ MSG_SIMPLE_Q_TAG, 3312 /* data_ptr */ (u_int8_t *)data, 3313 /* dxfer_len */ len, 3314 /* sense_len */ SSD_FULL_SIZE, 3315 sizeof(struct scsi_read_subchannel), 3316 /* timeout */ 50000); 3317 3318 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3319 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3320 3321 scsi_cmd->op_code = READ_SUBCHANNEL; 3322 if (mode == CD_MSF_FORMAT) 3323 scsi_cmd->byte1 |= CD_MSF; 3324 scsi_cmd->byte2 = SRS_SUBQ; 3325 scsi_cmd->subchan_format = format; 3326 scsi_cmd->track = track; 3327 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3328 scsi_cmd->control = 0; 3329 3330 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3331 /*sense_flags*/SF_RETRY_UA); 3332 3333 xpt_release_ccb(ccb); 3334 3335 return(error); 3336 } 3337 3338 /* 3339 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3340 * routine. See comments in cd6byteworkaround() for details. 3341 */ 3342 static int 3343 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3344 u_int32_t page) 3345 { 3346 struct ccb_scsiio *csio; 3347 struct cd_softc *softc; 3348 union ccb *ccb; 3349 int param_len; 3350 int error; 3351 3352 softc = (struct cd_softc *)periph->softc; 3353 3354 ccb = cdgetccb(periph, /* priority */ 1); 3355 3356 csio = &ccb->csio; 3357 3358 data->cdb_size = softc->minimum_command_size; 3359 if (data->cdb_size < 10) 3360 param_len = sizeof(struct cd_mode_data); 3361 else 3362 param_len = sizeof(struct cd_mode_data_10); 3363 3364 /* Don't say we've got more room than we actually allocated */ 3365 param_len = min(param_len, data->alloc_len); 3366 3367 scsi_mode_sense_len(csio, 3368 /* retries */ 1, 3369 /* cbfcnp */ cddone, 3370 /* tag_action */ MSG_SIMPLE_Q_TAG, 3371 /* dbd */ 0, 3372 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3373 /* page */ page, 3374 /* param_buf */ data->mode_buf, 3375 /* param_len */ param_len, 3376 /* minimum_cmd_size */ softc->minimum_command_size, 3377 /* sense_len */ SSD_FULL_SIZE, 3378 /* timeout */ 50000); 3379 3380 /* 3381 * It would be nice not to have to do this, but there's no 3382 * available pointer in the CCB that would allow us to stuff the 3383 * mode params structure in there and retrieve it in 3384 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3385 * lets the caller know what CDB size we ended up using, so they 3386 * can find the actual mode page offset. 3387 */ 3388 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3389 3390 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3391 /*sense_flags*/SF_RETRY_UA); 3392 3393 xpt_release_ccb(ccb); 3394 3395 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3396 3397 /* 3398 * This is a bit of belt-and-suspenders checking, but if we run 3399 * into a situation where the target sends back multiple block 3400 * descriptors, we might not have enough space in the buffer to 3401 * see the whole mode page. Better to return an error than 3402 * potentially access memory beyond our malloced region. 3403 */ 3404 if (error == 0) { 3405 u_int32_t data_len; 3406 3407 if (data->cdb_size == 10) { 3408 struct scsi_mode_header_10 *hdr10; 3409 3410 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3411 data_len = scsi_2btoul(hdr10->data_length); 3412 data_len += sizeof(hdr10->data_length); 3413 } else { 3414 struct scsi_mode_header_6 *hdr6; 3415 3416 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3417 data_len = hdr6->data_length; 3418 data_len += sizeof(hdr6->data_length); 3419 } 3420 3421 /* 3422 * Complain if there is more mode data available than we 3423 * allocated space for. This could potentially happen if 3424 * we miscalculated the page length for some reason, if the 3425 * drive returns multiple block descriptors, or if it sets 3426 * the data length incorrectly. 3427 */ 3428 if (data_len > data->alloc_len) { 3429 xpt_print(periph->path, "allocated modepage %d length " 3430 "%d < returned length %d\n", page, data->alloc_len, 3431 data_len); 3432 error = ENOSPC; 3433 } 3434 } 3435 return (error); 3436 } 3437 3438 /* 3439 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3440 * routine. See comments in cd6byteworkaround() for details. 3441 */ 3442 static int 3443 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3444 { 3445 struct ccb_scsiio *csio; 3446 struct cd_softc *softc; 3447 union ccb *ccb; 3448 int cdb_size, param_len; 3449 int error; 3450 3451 softc = (struct cd_softc *)periph->softc; 3452 3453 ccb = cdgetccb(periph, /* priority */ 1); 3454 3455 csio = &ccb->csio; 3456 3457 error = 0; 3458 3459 /* 3460 * If the data is formatted for the 10 byte version of the mode 3461 * select parameter list, we need to use the 10 byte CDB. 3462 * Otherwise, we use whatever the stored minimum command size. 3463 */ 3464 if (data->cdb_size == 10) 3465 cdb_size = data->cdb_size; 3466 else 3467 cdb_size = softc->minimum_command_size; 3468 3469 if (cdb_size >= 10) { 3470 struct scsi_mode_header_10 *mode_header; 3471 u_int32_t data_len; 3472 3473 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3474 3475 data_len = scsi_2btoul(mode_header->data_length); 3476 3477 scsi_ulto2b(0, mode_header->data_length); 3478 /* 3479 * SONY drives do not allow a mode select with a medium_type 3480 * value that has just been returned by a mode sense; use a 3481 * medium_type of 0 (Default) instead. 3482 */ 3483 mode_header->medium_type = 0; 3484 3485 /* 3486 * Pass back whatever the drive passed to us, plus the size 3487 * of the data length field. 3488 */ 3489 param_len = data_len + sizeof(mode_header->data_length); 3490 3491 } else { 3492 struct scsi_mode_header_6 *mode_header; 3493 3494 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3495 3496 param_len = mode_header->data_length + 1; 3497 3498 mode_header->data_length = 0; 3499 /* 3500 * SONY drives do not allow a mode select with a medium_type 3501 * value that has just been returned by a mode sense; use a 3502 * medium_type of 0 (Default) instead. 3503 */ 3504 mode_header->medium_type = 0; 3505 } 3506 3507 /* Don't say we've got more room than we actually allocated */ 3508 param_len = min(param_len, data->alloc_len); 3509 3510 scsi_mode_select_len(csio, 3511 /* retries */ 1, 3512 /* cbfcnp */ cddone, 3513 /* tag_action */ MSG_SIMPLE_Q_TAG, 3514 /* scsi_page_fmt */ 1, 3515 /* save_pages */ 0, 3516 /* param_buf */ data->mode_buf, 3517 /* param_len */ param_len, 3518 /* minimum_cmd_size */ cdb_size, 3519 /* sense_len */ SSD_FULL_SIZE, 3520 /* timeout */ 50000); 3521 3522 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3523 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3524 3525 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3526 /*sense_flags*/SF_RETRY_UA); 3527 3528 xpt_release_ccb(ccb); 3529 3530 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3531 3532 return (error); 3533 } 3534 3535 3536 3537 static int 3538 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3539 { 3540 struct ccb_scsiio *csio; 3541 union ccb *ccb; 3542 int error; 3543 u_int8_t cdb_len; 3544 3545 error = 0; 3546 ccb = cdgetccb(periph, /* priority */ 1); 3547 csio = &ccb->csio; 3548 /* 3549 * Use the smallest possible command to perform the operation. 3550 */ 3551 if ((len & 0xffff0000) == 0) { 3552 /* 3553 * We can fit in a 10 byte cdb. 3554 */ 3555 struct scsi_play_10 *scsi_cmd; 3556 3557 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3558 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3559 scsi_cmd->op_code = PLAY_10; 3560 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3561 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3562 cdb_len = sizeof(*scsi_cmd); 3563 } else { 3564 struct scsi_play_12 *scsi_cmd; 3565 3566 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3567 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3568 scsi_cmd->op_code = PLAY_12; 3569 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3570 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3571 cdb_len = sizeof(*scsi_cmd); 3572 } 3573 cam_fill_csio(csio, 3574 /*retries*/2, 3575 cddone, 3576 /*flags*/CAM_DIR_NONE, 3577 MSG_SIMPLE_Q_TAG, 3578 /*dataptr*/NULL, 3579 /*datalen*/0, 3580 /*sense_len*/SSD_FULL_SIZE, 3581 cdb_len, 3582 /*timeout*/50 * 1000); 3583 3584 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3585 /*sense_flags*/SF_RETRY_UA); 3586 3587 xpt_release_ccb(ccb); 3588 3589 return(error); 3590 } 3591 3592 static int 3593 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3594 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3595 { 3596 struct scsi_play_msf *scsi_cmd; 3597 struct ccb_scsiio *csio; 3598 union ccb *ccb; 3599 int error; 3600 3601 error = 0; 3602 3603 ccb = cdgetccb(periph, /* priority */ 1); 3604 3605 csio = &ccb->csio; 3606 3607 cam_fill_csio(csio, 3608 /* retries */ 1, 3609 /* cbfcnp */ cddone, 3610 /* flags */ CAM_DIR_NONE, 3611 /* tag_action */ MSG_SIMPLE_Q_TAG, 3612 /* data_ptr */ NULL, 3613 /* dxfer_len */ 0, 3614 /* sense_len */ SSD_FULL_SIZE, 3615 sizeof(struct scsi_play_msf), 3616 /* timeout */ 50000); 3617 3618 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3619 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3620 3621 scsi_cmd->op_code = PLAY_MSF; 3622 scsi_cmd->start_m = startm; 3623 scsi_cmd->start_s = starts; 3624 scsi_cmd->start_f = startf; 3625 scsi_cmd->end_m = endm; 3626 scsi_cmd->end_s = ends; 3627 scsi_cmd->end_f = endf; 3628 3629 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3630 /*sense_flags*/SF_RETRY_UA); 3631 3632 xpt_release_ccb(ccb); 3633 3634 return(error); 3635 } 3636 3637 3638 static int 3639 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3640 u_int32_t etrack, u_int32_t eindex) 3641 { 3642 struct scsi_play_track *scsi_cmd; 3643 struct ccb_scsiio *csio; 3644 union ccb *ccb; 3645 int error; 3646 3647 error = 0; 3648 3649 ccb = cdgetccb(periph, /* priority */ 1); 3650 3651 csio = &ccb->csio; 3652 3653 cam_fill_csio(csio, 3654 /* retries */ 1, 3655 /* cbfcnp */ cddone, 3656 /* flags */ CAM_DIR_NONE, 3657 /* tag_action */ MSG_SIMPLE_Q_TAG, 3658 /* data_ptr */ NULL, 3659 /* dxfer_len */ 0, 3660 /* sense_len */ SSD_FULL_SIZE, 3661 sizeof(struct scsi_play_track), 3662 /* timeout */ 50000); 3663 3664 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3665 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3666 3667 scsi_cmd->op_code = PLAY_TRACK; 3668 scsi_cmd->start_track = strack; 3669 scsi_cmd->start_index = sindex; 3670 scsi_cmd->end_track = etrack; 3671 scsi_cmd->end_index = eindex; 3672 3673 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3674 /*sense_flags*/SF_RETRY_UA); 3675 3676 xpt_release_ccb(ccb); 3677 3678 return(error); 3679 } 3680 3681 static int 3682 cdpause(struct cam_periph *periph, u_int32_t go) 3683 { 3684 struct scsi_pause *scsi_cmd; 3685 struct ccb_scsiio *csio; 3686 union ccb *ccb; 3687 int error; 3688 3689 error = 0; 3690 3691 ccb = cdgetccb(periph, /* priority */ 1); 3692 3693 csio = &ccb->csio; 3694 3695 cam_fill_csio(csio, 3696 /* retries */ 1, 3697 /* cbfcnp */ cddone, 3698 /* flags */ CAM_DIR_NONE, 3699 /* tag_action */ MSG_SIMPLE_Q_TAG, 3700 /* data_ptr */ NULL, 3701 /* dxfer_len */ 0, 3702 /* sense_len */ SSD_FULL_SIZE, 3703 sizeof(struct scsi_pause), 3704 /* timeout */ 50000); 3705 3706 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3707 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3708 3709 scsi_cmd->op_code = PAUSE; 3710 scsi_cmd->resume = go; 3711 3712 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3713 /*sense_flags*/SF_RETRY_UA); 3714 3715 xpt_release_ccb(ccb); 3716 3717 return(error); 3718 } 3719 3720 static int 3721 cdstartunit(struct cam_periph *periph, int load) 3722 { 3723 union ccb *ccb; 3724 int error; 3725 3726 error = 0; 3727 3728 ccb = cdgetccb(periph, /* priority */ 1); 3729 3730 scsi_start_stop(&ccb->csio, 3731 /* retries */ 1, 3732 /* cbfcnp */ cddone, 3733 /* tag_action */ MSG_SIMPLE_Q_TAG, 3734 /* start */ TRUE, 3735 /* load_eject */ load, 3736 /* immediate */ FALSE, 3737 /* sense_len */ SSD_FULL_SIZE, 3738 /* timeout */ 50000); 3739 3740 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3741 /*sense_flags*/SF_RETRY_UA); 3742 3743 xpt_release_ccb(ccb); 3744 3745 return(error); 3746 } 3747 3748 static int 3749 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3750 { 3751 union ccb *ccb; 3752 int error; 3753 3754 error = 0; 3755 3756 ccb = cdgetccb(periph, /* priority */ 1); 3757 3758 scsi_start_stop(&ccb->csio, 3759 /* retries */ 1, 3760 /* cbfcnp */ cddone, 3761 /* tag_action */ MSG_SIMPLE_Q_TAG, 3762 /* start */ FALSE, 3763 /* load_eject */ eject, 3764 /* immediate */ FALSE, 3765 /* sense_len */ SSD_FULL_SIZE, 3766 /* timeout */ 50000); 3767 3768 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3769 /*sense_flags*/SF_RETRY_UA); 3770 3771 xpt_release_ccb(ccb); 3772 3773 return(error); 3774 } 3775 3776 static int 3777 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3778 { 3779 struct scsi_set_speed *scsi_cmd; 3780 struct ccb_scsiio *csio; 3781 union ccb *ccb; 3782 int error; 3783 3784 error = 0; 3785 ccb = cdgetccb(periph, /* priority */ 1); 3786 csio = &ccb->csio; 3787 3788 /* Preserve old behavior: units in multiples of CDROM speed */ 3789 if (rdspeed < 177) 3790 rdspeed *= 177; 3791 if (wrspeed < 177) 3792 wrspeed *= 177; 3793 3794 cam_fill_csio(csio, 3795 /* retries */ 1, 3796 /* cbfcnp */ cddone, 3797 /* flags */ CAM_DIR_NONE, 3798 /* tag_action */ MSG_SIMPLE_Q_TAG, 3799 /* data_ptr */ NULL, 3800 /* dxfer_len */ 0, 3801 /* sense_len */ SSD_FULL_SIZE, 3802 sizeof(struct scsi_set_speed), 3803 /* timeout */ 50000); 3804 3805 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3806 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3807 3808 scsi_cmd->opcode = SET_CD_SPEED; 3809 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3810 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3811 3812 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3813 /*sense_flags*/SF_RETRY_UA); 3814 3815 xpt_release_ccb(ccb); 3816 3817 return(error); 3818 } 3819 3820 static int 3821 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3822 { 3823 union ccb *ccb; 3824 u_int8_t *databuf; 3825 u_int32_t lba; 3826 int error; 3827 int length; 3828 3829 error = 0; 3830 databuf = NULL; 3831 lba = 0; 3832 3833 ccb = cdgetccb(periph, /* priority */ 1); 3834 3835 switch (authinfo->format) { 3836 case DVD_REPORT_AGID: 3837 length = sizeof(struct scsi_report_key_data_agid); 3838 break; 3839 case DVD_REPORT_CHALLENGE: 3840 length = sizeof(struct scsi_report_key_data_challenge); 3841 break; 3842 case DVD_REPORT_KEY1: 3843 length = sizeof(struct scsi_report_key_data_key1_key2); 3844 break; 3845 case DVD_REPORT_TITLE_KEY: 3846 length = sizeof(struct scsi_report_key_data_title); 3847 /* The lba field is only set for the title key */ 3848 lba = authinfo->lba; 3849 break; 3850 case DVD_REPORT_ASF: 3851 length = sizeof(struct scsi_report_key_data_asf); 3852 break; 3853 case DVD_REPORT_RPC: 3854 length = sizeof(struct scsi_report_key_data_rpc); 3855 break; 3856 case DVD_INVALIDATE_AGID: 3857 length = 0; 3858 break; 3859 default: 3860 error = EINVAL; 3861 goto bailout; 3862 break; /* NOTREACHED */ 3863 } 3864 3865 if (length != 0) { 3866 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3867 } else { 3868 databuf = NULL; 3869 } 3870 3871 3872 scsi_report_key(&ccb->csio, 3873 /* retries */ 1, 3874 /* cbfcnp */ cddone, 3875 /* tag_action */ MSG_SIMPLE_Q_TAG, 3876 /* lba */ lba, 3877 /* agid */ authinfo->agid, 3878 /* key_format */ authinfo->format, 3879 /* data_ptr */ databuf, 3880 /* dxfer_len */ length, 3881 /* sense_len */ SSD_FULL_SIZE, 3882 /* timeout */ 50000); 3883 3884 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3885 /*sense_flags*/SF_RETRY_UA); 3886 3887 if (error != 0) 3888 goto bailout; 3889 3890 if (ccb->csio.resid != 0) { 3891 xpt_print(periph->path, "warning, residual for report key " 3892 "command is %d\n", ccb->csio.resid); 3893 } 3894 3895 switch(authinfo->format) { 3896 case DVD_REPORT_AGID: { 3897 struct scsi_report_key_data_agid *agid_data; 3898 3899 agid_data = (struct scsi_report_key_data_agid *)databuf; 3900 3901 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3902 RKD_AGID_SHIFT; 3903 break; 3904 } 3905 case DVD_REPORT_CHALLENGE: { 3906 struct scsi_report_key_data_challenge *chal_data; 3907 3908 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3909 3910 bcopy(chal_data->challenge_key, authinfo->keychal, 3911 min(sizeof(chal_data->challenge_key), 3912 sizeof(authinfo->keychal))); 3913 break; 3914 } 3915 case DVD_REPORT_KEY1: { 3916 struct scsi_report_key_data_key1_key2 *key1_data; 3917 3918 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3919 3920 bcopy(key1_data->key1, authinfo->keychal, 3921 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3922 break; 3923 } 3924 case DVD_REPORT_TITLE_KEY: { 3925 struct scsi_report_key_data_title *title_data; 3926 3927 title_data = (struct scsi_report_key_data_title *)databuf; 3928 3929 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3930 RKD_TITLE_CPM_SHIFT; 3931 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3932 RKD_TITLE_CP_SEC_SHIFT; 3933 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3934 RKD_TITLE_CMGS_SHIFT; 3935 bcopy(title_data->title_key, authinfo->keychal, 3936 min(sizeof(title_data->title_key), 3937 sizeof(authinfo->keychal))); 3938 break; 3939 } 3940 case DVD_REPORT_ASF: { 3941 struct scsi_report_key_data_asf *asf_data; 3942 3943 asf_data = (struct scsi_report_key_data_asf *)databuf; 3944 3945 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3946 break; 3947 } 3948 case DVD_REPORT_RPC: { 3949 struct scsi_report_key_data_rpc *rpc_data; 3950 3951 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3952 3953 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3954 RKD_RPC_TYPE_SHIFT; 3955 authinfo->vend_rsts = 3956 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3957 RKD_RPC_VENDOR_RESET_SHIFT; 3958 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3959 authinfo->region = rpc_data->region_mask; 3960 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3961 break; 3962 } 3963 case DVD_INVALIDATE_AGID: 3964 break; 3965 default: 3966 /* This should be impossible, since we checked above */ 3967 error = EINVAL; 3968 goto bailout; 3969 break; /* NOTREACHED */ 3970 } 3971 bailout: 3972 if (databuf != NULL) 3973 kfree(databuf, M_DEVBUF); 3974 3975 xpt_release_ccb(ccb); 3976 3977 return(error); 3978 } 3979 3980 static int 3981 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3982 { 3983 union ccb *ccb; 3984 u_int8_t *databuf; 3985 int length; 3986 int error; 3987 3988 error = 0; 3989 databuf = NULL; 3990 3991 ccb = cdgetccb(periph, /* priority */ 1); 3992 3993 switch(authinfo->format) { 3994 case DVD_SEND_CHALLENGE: { 3995 struct scsi_report_key_data_challenge *challenge_data; 3996 3997 length = sizeof(*challenge_data); 3998 3999 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4000 4001 databuf = (u_int8_t *)challenge_data; 4002 4003 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4004 challenge_data->data_len); 4005 4006 bcopy(authinfo->keychal, challenge_data->challenge_key, 4007 min(sizeof(authinfo->keychal), 4008 sizeof(challenge_data->challenge_key))); 4009 break; 4010 } 4011 case DVD_SEND_KEY2: { 4012 struct scsi_report_key_data_key1_key2 *key2_data; 4013 4014 length = sizeof(*key2_data); 4015 4016 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4017 4018 databuf = (u_int8_t *)key2_data; 4019 4020 scsi_ulto2b(length - sizeof(key2_data->data_len), 4021 key2_data->data_len); 4022 4023 bcopy(authinfo->keychal, key2_data->key1, 4024 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4025 4026 break; 4027 } 4028 case DVD_SEND_RPC: { 4029 struct scsi_send_key_data_rpc *rpc_data; 4030 4031 length = sizeof(*rpc_data); 4032 4033 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4034 4035 databuf = (u_int8_t *)rpc_data; 4036 4037 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4038 rpc_data->data_len); 4039 4040 rpc_data->region_code = authinfo->region; 4041 break; 4042 } 4043 default: 4044 error = EINVAL; 4045 goto bailout; 4046 break; /* NOTREACHED */ 4047 } 4048 4049 scsi_send_key(&ccb->csio, 4050 /* retries */ 1, 4051 /* cbfcnp */ cddone, 4052 /* tag_action */ MSG_SIMPLE_Q_TAG, 4053 /* agid */ authinfo->agid, 4054 /* key_format */ authinfo->format, 4055 /* data_ptr */ databuf, 4056 /* dxfer_len */ length, 4057 /* sense_len */ SSD_FULL_SIZE, 4058 /* timeout */ 50000); 4059 4060 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4061 /*sense_flags*/SF_RETRY_UA); 4062 4063 bailout: 4064 4065 if (databuf != NULL) 4066 kfree(databuf, M_DEVBUF); 4067 4068 xpt_release_ccb(ccb); 4069 4070 return(error); 4071 } 4072 4073 static int 4074 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4075 { 4076 union ccb *ccb; 4077 u_int8_t *databuf; 4078 u_int32_t address; 4079 int error; 4080 int length; 4081 4082 error = 0; 4083 databuf = NULL; 4084 /* The address is reserved for many of the formats */ 4085 address = 0; 4086 4087 ccb = cdgetccb(periph, /* priority */ 1); 4088 4089 switch(dvdstruct->format) { 4090 case DVD_STRUCT_PHYSICAL: 4091 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4092 break; 4093 case DVD_STRUCT_COPYRIGHT: 4094 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4095 break; 4096 case DVD_STRUCT_DISCKEY: 4097 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4098 break; 4099 case DVD_STRUCT_BCA: 4100 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4101 break; 4102 case DVD_STRUCT_MANUFACT: 4103 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4104 break; 4105 case DVD_STRUCT_CMI: 4106 error = ENODEV; 4107 goto bailout; 4108 #ifdef notyet 4109 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4110 address = dvdstruct->address; 4111 #endif 4112 break; /* NOTREACHED */ 4113 case DVD_STRUCT_PROTDISCID: 4114 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4115 break; 4116 case DVD_STRUCT_DISCKEYBLOCK: 4117 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4118 break; 4119 case DVD_STRUCT_DDS: 4120 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4121 break; 4122 case DVD_STRUCT_MEDIUM_STAT: 4123 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4124 break; 4125 case DVD_STRUCT_SPARE_AREA: 4126 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4127 break; 4128 case DVD_STRUCT_RMD_LAST: 4129 error = ENODEV; 4130 goto bailout; 4131 #ifdef notyet 4132 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4133 address = dvdstruct->address; 4134 #endif 4135 break; /* NOTREACHED */ 4136 case DVD_STRUCT_RMD_RMA: 4137 error = ENODEV; 4138 goto bailout; 4139 #ifdef notyet 4140 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4141 address = dvdstruct->address; 4142 #endif 4143 break; /* NOTREACHED */ 4144 case DVD_STRUCT_PRERECORDED: 4145 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4146 break; 4147 case DVD_STRUCT_UNIQUEID: 4148 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4149 break; 4150 case DVD_STRUCT_DCB: 4151 error = ENODEV; 4152 goto bailout; 4153 #ifdef notyet 4154 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4155 address = dvdstruct->address; 4156 #endif 4157 break; /* NOTREACHED */ 4158 case DVD_STRUCT_LIST: 4159 /* 4160 * This is the maximum allocation length for the READ DVD 4161 * STRUCTURE command. There's nothing in the MMC3 spec 4162 * that indicates a limit in the amount of data that can 4163 * be returned from this call, other than the limits 4164 * imposed by the 2-byte length variables. 4165 */ 4166 length = 65535; 4167 break; 4168 default: 4169 error = EINVAL; 4170 goto bailout; 4171 break; /* NOTREACHED */ 4172 } 4173 4174 if (length != 0) { 4175 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4176 } else { 4177 databuf = NULL; 4178 } 4179 4180 scsi_read_dvd_structure(&ccb->csio, 4181 /* retries */ 1, 4182 /* cbfcnp */ cddone, 4183 /* tag_action */ MSG_SIMPLE_Q_TAG, 4184 /* lba */ address, 4185 /* layer_number */ dvdstruct->layer_num, 4186 /* key_format */ dvdstruct->format, 4187 /* agid */ dvdstruct->agid, 4188 /* data_ptr */ databuf, 4189 /* dxfer_len */ length, 4190 /* sense_len */ SSD_FULL_SIZE, 4191 /* timeout */ 50000); 4192 4193 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4194 /*sense_flags*/SF_RETRY_UA); 4195 4196 if (error != 0) 4197 goto bailout; 4198 4199 switch(dvdstruct->format) { 4200 case DVD_STRUCT_PHYSICAL: { 4201 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4202 struct dvd_layer *outlayer; 4203 struct scsi_read_dvd_struct_data_physical *phys_data; 4204 4205 phys_data = 4206 (struct scsi_read_dvd_struct_data_physical *)databuf; 4207 inlayer = &phys_data->layer_desc; 4208 outlayer = (struct dvd_layer *)&dvdstruct->data; 4209 4210 dvdstruct->length = sizeof(*inlayer); 4211 4212 outlayer->book_type = (inlayer->book_type_version & 4213 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4214 outlayer->book_version = (inlayer->book_type_version & 4215 RDSD_BOOK_VERSION_MASK); 4216 outlayer->disc_size = (inlayer->disc_size_max_rate & 4217 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4218 outlayer->max_rate = (inlayer->disc_size_max_rate & 4219 RDSD_MAX_RATE_MASK); 4220 outlayer->nlayers = (inlayer->layer_info & 4221 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4222 outlayer->track_path = (inlayer->layer_info & 4223 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4224 outlayer->layer_type = (inlayer->layer_info & 4225 RDSD_LAYER_TYPE_MASK); 4226 outlayer->linear_density = (inlayer->density & 4227 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4228 outlayer->track_density = (inlayer->density & 4229 RDSD_TRACK_DENSITY_MASK); 4230 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4231 RDSD_BCA_SHIFT; 4232 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4233 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4234 outlayer->end_sector_l0 = 4235 scsi_3btoul(inlayer->end_sector_layer0); 4236 break; 4237 } 4238 case DVD_STRUCT_COPYRIGHT: { 4239 struct scsi_read_dvd_struct_data_copyright *copy_data; 4240 4241 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4242 databuf; 4243 4244 dvdstruct->cpst = copy_data->cps_type; 4245 dvdstruct->rmi = copy_data->region_info; 4246 dvdstruct->length = 0; 4247 4248 break; 4249 } 4250 default: 4251 /* 4252 * Tell the user what the overall length is, no matter 4253 * what we can actually fit in the data buffer. 4254 */ 4255 dvdstruct->length = length - ccb->csio.resid - 4256 sizeof(struct scsi_read_dvd_struct_data_header); 4257 4258 /* 4259 * But only actually copy out the smaller of what we read 4260 * in or what the structure can take. 4261 */ 4262 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4263 dvdstruct->data, 4264 min(sizeof(dvdstruct->data), dvdstruct->length)); 4265 break; 4266 } 4267 bailout: 4268 4269 if (databuf != NULL) 4270 kfree(databuf, M_DEVBUF); 4271 4272 xpt_release_ccb(ccb); 4273 4274 return(error); 4275 } 4276 4277 void 4278 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4279 void (*cbfcnp)(struct cam_periph *, union ccb *), 4280 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4281 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4282 u_int8_t sense_len, u_int32_t timeout) 4283 { 4284 struct scsi_report_key *scsi_cmd; 4285 4286 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4287 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4288 scsi_cmd->opcode = REPORT_KEY; 4289 scsi_ulto4b(lba, scsi_cmd->lba); 4290 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4291 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4292 (key_format & RK_KF_KEYFORMAT_MASK); 4293 4294 cam_fill_csio(csio, 4295 retries, 4296 cbfcnp, 4297 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4298 tag_action, 4299 /*data_ptr*/ data_ptr, 4300 /*dxfer_len*/ dxfer_len, 4301 sense_len, 4302 sizeof(*scsi_cmd), 4303 timeout); 4304 } 4305 4306 void 4307 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4308 void (*cbfcnp)(struct cam_periph *, union ccb *), 4309 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4310 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4311 u_int32_t timeout) 4312 { 4313 struct scsi_send_key *scsi_cmd; 4314 4315 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4316 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4317 scsi_cmd->opcode = SEND_KEY; 4318 4319 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4320 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4321 (key_format & RK_KF_KEYFORMAT_MASK); 4322 4323 cam_fill_csio(csio, 4324 retries, 4325 cbfcnp, 4326 /*flags*/ CAM_DIR_OUT, 4327 tag_action, 4328 /*data_ptr*/ data_ptr, 4329 /*dxfer_len*/ dxfer_len, 4330 sense_len, 4331 sizeof(*scsi_cmd), 4332 timeout); 4333 } 4334 4335 4336 void 4337 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4338 void (*cbfcnp)(struct cam_periph *, union ccb *), 4339 u_int8_t tag_action, u_int32_t address, 4340 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4341 u_int8_t *data_ptr, u_int32_t dxfer_len, 4342 u_int8_t sense_len, u_int32_t timeout) 4343 { 4344 struct scsi_read_dvd_structure *scsi_cmd; 4345 4346 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4347 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4348 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4349 4350 scsi_ulto4b(address, scsi_cmd->address); 4351 scsi_cmd->layer_number = layer_number; 4352 scsi_cmd->format = format; 4353 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4354 /* The AGID is the top two bits of this byte */ 4355 scsi_cmd->agid = agid << 6; 4356 4357 cam_fill_csio(csio, 4358 retries, 4359 cbfcnp, 4360 /*flags*/ CAM_DIR_IN, 4361 tag_action, 4362 /*data_ptr*/ data_ptr, 4363 /*dxfer_len*/ dxfer_len, 4364 sense_len, 4365 sizeof(*scsi_cmd), 4366 timeout); 4367 } 4368