1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $ 28 * $DragonFly: src/sys/bus/cam/scsi/scsi_cd.c,v 1.44 2008/07/18 00:07:23 dillon Exp $ 29 */ 30 /* 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include "opt_cd.h" 51 52 #include <sys/param.h> 53 #include <sys/bootmaj.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/buf.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/dtype.h> 60 #include <sys/malloc.h> 61 #include <sys/cdio.h> 62 #include <sys/cdrio.h> 63 #include <sys/dvdio.h> 64 #include <sys/devicestat.h> 65 #include <sys/sysctl.h> 66 #include <sys/taskqueue.h> 67 #include <sys/proc.h> 68 #include <sys/camlib.h> 69 #include <sys/udev.h> 70 71 #include <sys/buf2.h> 72 #include <sys/thread2.h> 73 #include <sys/mplock2.h> 74 75 #include "../cam.h" 76 #include "../cam_ccb.h" 77 #include "../cam_extend.h" 78 #include "../cam_periph.h" 79 #include "../cam_xpt_periph.h" 80 #include "../cam_queue.h" 81 #include "../cam_sim.h" 82 83 #include "scsi_message.h" 84 #include "scsi_da.h" 85 #include "scsi_cd.h" 86 87 #define LEADOUT 0xaa /* leadout toc entry */ 88 89 struct cd_params { 90 u_int32_t blksize; 91 u_long disksize; 92 }; 93 94 typedef enum { 95 CD_Q_NONE = 0x00, 96 CD_Q_NO_TOUCH = 0x01, 97 CD_Q_BCD_TRACKS = 0x02, 98 CD_Q_NO_CHANGER = 0x04, 99 CD_Q_CHANGER = 0x08, 100 CD_Q_10_BYTE_ONLY = 0x10 101 } cd_quirks; 102 103 typedef enum { 104 CD_FLAG_INVALID = 0x0001, 105 CD_FLAG_NEW_DISC = 0x0002, 106 CD_FLAG_DISC_LOCKED = 0x0004, 107 CD_FLAG_DISC_REMOVABLE = 0x0008, 108 CD_FLAG_TAGGED_QUEUING = 0x0010, 109 CD_FLAG_CHANGER = 0x0040, 110 CD_FLAG_ACTIVE = 0x0080, 111 CD_FLAG_SCHED_ON_COMP = 0x0100, 112 CD_FLAG_RETRY_UA = 0x0200, 113 CD_FLAG_VALID_MEDIA = 0x0400, 114 CD_FLAG_VALID_TOC = 0x0800, 115 CD_FLAG_SCTX_INIT = 0x1000, 116 CD_FLAG_OPEN = 0x2000 117 } cd_flags; 118 119 typedef enum { 120 CD_CCB_PROBE = 0x01, 121 CD_CCB_BUFFER_IO = 0x02, 122 CD_CCB_WAITING = 0x03, 123 CD_CCB_TYPE_MASK = 0x0F, 124 CD_CCB_RETRY_UA = 0x10 125 } cd_ccb_state; 126 127 typedef enum { 128 CHANGER_TIMEOUT_SCHED = 0x01, 129 CHANGER_SHORT_TMOUT_SCHED = 0x02, 130 CHANGER_MANUAL_CALL = 0x04, 131 CHANGER_NEED_TIMEOUT = 0x08 132 } cd_changer_flags; 133 134 #define ccb_state ppriv_field0 135 #define ccb_bio ppriv_ptr1 136 137 struct cd_tocdata { 138 struct ioc_toc_header header; 139 struct cd_toc_entry entries[100]; 140 }; 141 142 struct cd_toc_single { 143 struct ioc_toc_header header; 144 struct cd_toc_entry entry; 145 }; 146 147 typedef enum { 148 CD_STATE_PROBE, 149 CD_STATE_NORMAL 150 } cd_state; 151 152 struct cd_softc { 153 cam_pinfo pinfo; 154 cd_state state; 155 volatile cd_flags flags; 156 struct bio_queue_head bio_queue; 157 LIST_HEAD(, ccb_hdr) pending_ccbs; 158 struct cd_params params; 159 struct disk disk; 160 union ccb saved_ccb; 161 cd_quirks quirks; 162 struct devstat device_stats; 163 STAILQ_ENTRY(cd_softc) changer_links; 164 struct cdchanger *changer; 165 int bufs_left; 166 struct cam_periph *periph; 167 int minimum_command_size; 168 int outstanding_cmds; 169 struct task sysctl_task; 170 struct sysctl_ctx_list sysctl_ctx; 171 struct sysctl_oid *sysctl_tree; 172 STAILQ_HEAD(, cd_mode_params) mode_queue; 173 struct cd_tocdata toc; 174 }; 175 176 struct cd_page_sizes { 177 int page; 178 int page_size; 179 }; 180 181 static struct cd_page_sizes cd_page_size_table[] = 182 { 183 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 184 }; 185 186 struct cd_quirk_entry { 187 struct scsi_inquiry_pattern inq_pat; 188 cd_quirks quirks; 189 }; 190 191 /* 192 * The changer quirk entries aren't strictly necessary. Basically, what 193 * they do is tell cdregister() up front that a device is a changer. 194 * Otherwise, it will figure that fact out once it sees a LUN on the device 195 * that is greater than 0. If it is known up front that a device is a changer, 196 * all I/O to the device will go through the changer scheduling routines, as 197 * opposed to the "normal" CD code. 198 * 199 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 200 * your device hangs when it gets a 10 byte command. Adding a quirk just 201 * to get rid of the informative diagnostic message is not acceptable. All 202 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 203 * referenced in a comment along with the quirk) , and must be approved by 204 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 205 * be removed until the submitter can explain why they are needed. 206 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 207 * when the CAM_NEW_TRAN_CODE work is done. 208 */ 209 static struct cd_quirk_entry cd_quirk_table[] = 210 { 211 { 212 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 213 /*quirks*/ CD_Q_CHANGER 214 }, 215 { 216 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 217 "*"}, /* quirks */ CD_Q_CHANGER 218 }, 219 { 220 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 221 /* quirks */ CD_Q_CHANGER 222 }, 223 { 224 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 225 /* quirks */ CD_Q_BCD_TRACKS 226 } 227 }; 228 229 static d_open_t cdopen; 230 static d_close_t cdclose; 231 static d_ioctl_t cdioctl; 232 static d_strategy_t cdstrategy; 233 234 static periph_init_t cdinit; 235 static periph_ctor_t cdregister; 236 static periph_dtor_t cdcleanup; 237 static periph_start_t cdstart; 238 static periph_oninv_t cdoninvalidate; 239 static void cdasync(void *callback_arg, u_int32_t code, 240 struct cam_path *path, void *arg); 241 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 242 static void cdshorttimeout(void *arg); 243 static void cdschedule(struct cam_periph *periph, int priority); 244 static void cdrunchangerqueue(void *arg); 245 static void cdchangerschedule(struct cd_softc *softc); 246 static int cdrunccb(union ccb *ccb, 247 int (*error_routine)(union ccb *ccb, 248 u_int32_t cam_flags, 249 u_int32_t sense_flags), 250 u_int32_t cam_flags, u_int32_t sense_flags); 251 static union ccb *cdgetccb(struct cam_periph *periph, 252 u_int32_t priority); 253 static void cddone(struct cam_periph *periph, 254 union ccb *start_ccb); 255 static int cderror(union ccb *ccb, u_int32_t cam_flags, 256 u_int32_t sense_flags); 257 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 258 static int cdgetpagesize(int page_num); 259 static void cdprevent(struct cam_periph *periph, int action); 260 static int cdcheckmedia(struct cam_periph *periph); 261 static int cdsize(struct cam_periph *periph, u_int32_t *size); 262 static int cd6byteworkaround(union ccb *ccb); 263 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 264 u_int32_t start, u_int8_t *data, 265 u_int32_t len, u_int32_t sense_flags); 266 static int cdgetmode(struct cam_periph *periph, 267 struct cd_mode_params *data, u_int32_t page); 268 static int cdsetmode(struct cam_periph *periph, 269 struct cd_mode_params *data); 270 static int cdplay(struct cam_periph *periph, u_int32_t blk, 271 u_int32_t len); 272 static int cdreadsubchannel(struct cam_periph *periph, 273 u_int32_t mode, u_int32_t format, 274 int track, 275 struct cd_sub_channel_info *data, 276 u_int32_t len); 277 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 278 u_int32_t starts, u_int32_t startf, 279 u_int32_t endm, u_int32_t ends, 280 u_int32_t endf); 281 static int cdplaytracks(struct cam_periph *periph, 282 u_int32_t strack, u_int32_t sindex, 283 u_int32_t etrack, u_int32_t eindex); 284 static int cdpause(struct cam_periph *periph, u_int32_t go); 285 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 286 static int cdstartunit(struct cam_periph *periph, int load); 287 static int cdsetspeed(struct cam_periph *periph, 288 u_int32_t rdspeed, u_int32_t wrspeed); 289 static int cdreportkey(struct cam_periph *periph, 290 struct dvd_authinfo *authinfo); 291 static int cdsendkey(struct cam_periph *periph, 292 struct dvd_authinfo *authinfo); 293 static int cdreaddvdstructure(struct cam_periph *periph, 294 struct dvd_struct *dvdstruct); 295 296 static struct periph_driver cddriver = 297 { 298 cdinit, "cd", 299 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 300 }; 301 302 PERIPHDRIVER_DECLARE(cd, cddriver); 303 304 static struct dev_ops cd_ops = { 305 { "cd", SCSICD_CDEV_MAJOR, D_DISK | D_MPSAFE }, 306 .d_open = cdopen, 307 .d_close = cdclose, 308 .d_read = physread, 309 .d_write = physwrite, 310 .d_ioctl = cdioctl, 311 .d_strategy = cdstrategy 312 }; 313 314 static struct extend_array *cdperiphs; 315 316 #ifndef CHANGER_MIN_BUSY_SECONDS 317 #define CHANGER_MIN_BUSY_SECONDS 5 318 #endif 319 #ifndef CHANGER_MAX_BUSY_SECONDS 320 #define CHANGER_MAX_BUSY_SECONDS 15 321 #endif 322 323 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 324 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 325 326 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 327 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 328 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 329 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 330 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 331 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 332 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 333 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 334 335 struct cdchanger { 336 path_id_t path_id; 337 target_id_t target_id; 338 int num_devices; 339 struct camq devq; 340 struct timeval start_time; 341 struct cd_softc *cur_device; 342 struct callout short_handle; 343 struct callout long_handle; 344 volatile cd_changer_flags flags; 345 STAILQ_ENTRY(cdchanger) changer_links; 346 STAILQ_HEAD(chdevlist, cd_softc) chluns; 347 }; 348 349 static struct lock changerq_lock; 350 static STAILQ_HEAD(changerlist, cdchanger) changerq; 351 static int num_changers; 352 353 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 354 355 static void 356 cdinit(void) 357 { 358 cam_status status; 359 360 lockinit(&changerq_lock, "cdchangerq", 0, LK_CANRECURSE); 361 STAILQ_INIT(&changerq); 362 363 /* 364 * Create our extend array for storing the devices we attach to. 365 */ 366 cdperiphs = cam_extend_new(); 367 if (cdperiphs == NULL) { 368 kprintf("cd: Failed to alloc extend array!\n"); 369 return; 370 } 371 372 /* 373 * Install a global async callback. This callback will 374 * receive async callbacks like "new device found". 375 */ 376 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 377 378 if (status != CAM_REQ_CMP) { 379 kprintf("cd: Failed to attach master async callback " 380 "due to status 0x%x!\n", status); 381 } 382 } 383 384 static void 385 cdoninvalidate(struct cam_periph *periph) 386 { 387 struct cd_softc *softc; 388 struct buf *q_bp; 389 struct bio *q_bio; 390 391 softc = (struct cd_softc *)periph->softc; 392 393 /* 394 * De-register any async callbacks. 395 */ 396 xpt_register_async(0, cdasync, periph, periph->path); 397 398 softc->flags |= CD_FLAG_INVALID; 399 400 /* 401 * Return all queued I/O with ENXIO. 402 * XXX Handle any transactions queued to the card 403 * with XPT_ABORT_CCB. 404 */ 405 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 406 bioq_remove(&softc->bio_queue, q_bio); 407 q_bp = q_bio->bio_buf; 408 q_bp->b_resid = q_bp->b_bcount; 409 q_bp->b_error = ENXIO; 410 q_bp->b_flags |= B_ERROR; 411 biodone(q_bio); 412 } 413 414 /* 415 * If this device is part of a changer, and it was scheduled 416 * to run, remove it from the run queue since we just nuked 417 * all of its scheduled I/O. 418 */ 419 if ((softc->flags & CD_FLAG_CHANGER) 420 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 421 camq_remove(&softc->changer->devq, softc->pinfo.index); 422 423 xpt_print(periph->path, "lost device\n"); 424 } 425 426 static void 427 cdcleanup(struct cam_periph *periph) 428 { 429 struct cd_softc *softc; 430 431 softc = (struct cd_softc *)periph->softc; 432 433 xpt_print(periph->path, "removing device entry\n"); 434 435 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 436 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 437 xpt_print(periph->path, "can't remove sysctl context\n"); 438 } 439 440 /* 441 * In the queued, non-active case, the device in question 442 * has already been removed from the changer run queue. Since this 443 * device is active, we need to de-activate it, and schedule 444 * another device to run. (if there is another one to run) 445 */ 446 if ((softc->flags & CD_FLAG_CHANGER) 447 && (softc->flags & CD_FLAG_ACTIVE)) { 448 449 /* 450 * The purpose of the short timeout is soley to determine 451 * whether the current device has finished or not. Well, 452 * since we're removing the active device, we know that it 453 * is finished. So, get rid of the short timeout. 454 * Otherwise, if we're in the time period before the short 455 * timeout fires, and there are no other devices in the 456 * queue to run, there won't be any other device put in the 457 * active slot. i.e., when we call cdrunchangerqueue() 458 * below, it won't do anything. Then, when the short 459 * timeout fires, it'll look at the "current device", which 460 * we are free below, and possibly panic the kernel on a 461 * bogus pointer reference. 462 * 463 * The long timeout doesn't really matter, since we 464 * decrement the qfrozen_cnt to indicate that there is 465 * nothing in the active slot now. Therefore, there won't 466 * be any bogus pointer references there. 467 */ 468 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 469 callout_stop(&softc->changer->short_handle); 470 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 471 } 472 softc->changer->devq.qfrozen_cnt--; 473 softc->changer->flags |= CHANGER_MANUAL_CALL; 474 cdrunchangerqueue(softc->changer); 475 } 476 477 /* 478 * If we're removing the last device on the changer, go ahead and 479 * remove the changer device structure. 480 */ 481 if ((softc->flags & CD_FLAG_CHANGER) 482 && (--softc->changer->num_devices == 0)) { 483 484 /* 485 * Theoretically, there shouldn't be any timeouts left, but 486 * I'm not completely sure that that will be the case. So, 487 * it won't hurt to check and see if there are any left. 488 */ 489 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 490 callout_stop(&softc->changer->long_handle); 491 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 492 } 493 494 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 495 callout_stop(&softc->changer->short_handle); 496 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 497 } 498 499 lockmgr(&changerq_lock, LK_EXCLUSIVE); 500 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 501 changer_links); 502 num_changers--; 503 lockmgr(&changerq_lock, LK_RELEASE); 504 xpt_print(periph->path, "removing changer entry\n"); 505 kfree(softc->changer, M_DEVBUF); 506 } 507 devstat_remove_entry(&softc->device_stats); 508 cam_extend_release(cdperiphs, periph->unit_number); 509 if (softc->disk.d_rawdev) { 510 cam_periph_unlock(periph); 511 disk_destroy(&softc->disk); 512 cam_periph_lock(periph); 513 } 514 kfree(softc, M_DEVBUF); 515 } 516 517 static void 518 cdasync(void *callback_arg, u_int32_t code, 519 struct cam_path *path, void *arg) 520 { 521 struct cam_periph *periph; 522 523 periph = (struct cam_periph *)callback_arg; 524 525 switch (code) { 526 case AC_FOUND_DEVICE: 527 { 528 struct ccb_getdev *cgd; 529 cam_status status; 530 531 cgd = (struct ccb_getdev *)arg; 532 if (cgd == NULL) 533 break; 534 535 if (SID_TYPE(&cgd->inq_data) != T_CDROM 536 && SID_TYPE(&cgd->inq_data) != T_WORM) 537 break; 538 539 /* 540 * Don't complain if a valid peripheral is already attached. 541 */ 542 periph = cam_periph_find(cgd->ccb_h.path, "cd"); 543 if (periph && (periph->flags & CAM_PERIPH_INVALID) == 0) 544 break; 545 546 /* 547 * Allocate a peripheral instance for 548 * this device and start the probe 549 * process. 550 */ 551 status = cam_periph_alloc(cdregister, cdoninvalidate, 552 cdcleanup, cdstart, 553 "cd", CAM_PERIPH_BIO, 554 cgd->ccb_h.path, cdasync, 555 AC_FOUND_DEVICE, cgd); 556 557 if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) { 558 kprintf("cdasync: Unable to attach new device " 559 "due to status 0x%x\n", status); 560 } 561 break; 562 } 563 case AC_SENT_BDR: 564 case AC_BUS_RESET: 565 { 566 struct cd_softc *softc; 567 struct ccb_hdr *ccbh; 568 569 softc = (struct cd_softc *)periph->softc; 570 /* 571 * Don't fail on the expected unit attention 572 * that will occur. 573 */ 574 softc->flags |= CD_FLAG_RETRY_UA; 575 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 576 ccbh->ccb_state |= CD_CCB_RETRY_UA; 577 /* FALLTHROUGH */ 578 } 579 default: 580 cam_periph_async(periph, code, path, arg); 581 break; 582 } 583 } 584 585 static void 586 cdsysctlinit(void *context, int pending) 587 { 588 struct cam_periph *periph; 589 struct cd_softc *softc; 590 char tmpstr[80], tmpstr2[80]; 591 592 get_mplock(); 593 periph = (struct cam_periph *)context; 594 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 595 rel_mplock(); 596 return; 597 } 598 599 softc = (struct cd_softc *)periph->softc; 600 ksnprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 601 ksnprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 602 603 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 LIST_INIT(&softc->pending_ccbs); 687 STAILQ_INIT(&softc->mode_queue); 688 softc->state = CD_STATE_PROBE; 689 bioq_init(&softc->bio_queue); 690 if (SID_IS_REMOVABLE(&cgd->inq_data)) 691 softc->flags |= CD_FLAG_DISC_REMOVABLE; 692 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 693 softc->flags |= CD_FLAG_TAGGED_QUEUING; 694 695 periph->softc = softc; 696 softc->periph = periph; 697 698 cam_extend_set(cdperiphs, periph->unit_number, periph); 699 700 /* 701 * See if this device has any quirks. 702 */ 703 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 704 (caddr_t)cd_quirk_table, 705 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 706 sizeof(*cd_quirk_table), scsi_inquiry_match); 707 708 if (match != NULL) 709 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 710 else 711 softc->quirks = CD_Q_NONE; 712 713 /* Check if the SIM does not want 6 byte commands */ 714 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 715 cpi.ccb_h.func_code = XPT_PATH_INQ; 716 xpt_action((union ccb *)&cpi); 717 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 718 softc->quirks |= CD_Q_10_BYTE_ONLY; 719 720 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 721 722 /* The default is 6 byte commands, unless quirked otherwise */ 723 if (softc->quirks & CD_Q_10_BYTE_ONLY) 724 softc->minimum_command_size = 10; 725 else 726 softc->minimum_command_size = 6; 727 728 /* 729 * Load the user's default, if any. 730 */ 731 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 732 periph->unit_number); 733 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 734 735 /* 6 and 10 are the only permissible values here. */ 736 if (softc->minimum_command_size < 6) 737 softc->minimum_command_size = 6; 738 else if (softc->minimum_command_size > 6) 739 softc->minimum_command_size = 10; 740 741 /* 742 * We need to register the statistics structure for this device, 743 * but we don't have the blocksize yet for it. So, we register 744 * the structure and indicate that we don't have the blocksize 745 * yet. Unlike other SCSI peripheral drivers, we explicitly set 746 * the device type here to be CDROM, rather than just ORing in 747 * the device type. This is because this driver can attach to either 748 * CDROM or WORM devices, and we want this peripheral driver to 749 * show up in the devstat list as a CD peripheral driver, not a 750 * WORM peripheral driver. WORM drives will also have the WORM 751 * driver attached to them. 752 */ 753 cam_periph_unlock(periph); 754 devstat_add_entry(&softc->device_stats, "cd", 755 periph->unit_number, 0, 756 DEVSTAT_BS_UNAVAILABLE, 757 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 758 DEVSTAT_PRIORITY_CD); 759 disk_create(periph->unit_number, &softc->disk, &cd_ops); 760 disk_setdisktype(&softc->disk, "optical"); 761 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 762 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 763 DSO_COMPATPARTA; 764 cam_periph_lock(periph); 765 766 /* 767 * Add an async callback so that we get 768 * notified if this device goes away. 769 */ 770 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 771 cdasync, periph, periph->path); 772 773 /* 774 * If the target lun is greater than 0, we most likely have a CD 775 * changer device. Check the quirk entries as well, though, just 776 * in case someone has a CD tower with one lun per drive or 777 * something like that. Also, if we know up front that a 778 * particular device is a changer, we can mark it as such starting 779 * with lun 0, instead of lun 1. It shouldn't be necessary to have 780 * a quirk entry to define something as a changer, however. 781 */ 782 if (((cgd->ccb_h.target_lun > 0) 783 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 784 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 785 struct cdchanger *nchanger; 786 struct cam_periph *nperiph; 787 struct cam_path *path; 788 cam_status status; 789 int found; 790 791 /* Set the changer flag in the current device's softc */ 792 softc->flags |= CD_FLAG_CHANGER; 793 794 /* 795 * Now, look around for an existing changer device with the 796 * same path and target ID as the current device. 797 */ 798 lockmgr(&changerq_lock, LK_EXCLUSIVE); 799 for (found = 0, 800 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 801 nchanger != NULL; 802 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 803 if ((nchanger->path_id == cgd->ccb_h.path_id) 804 && (nchanger->target_id == cgd->ccb_h.target_id)) { 805 found = 1; 806 break; 807 } 808 } 809 lockmgr(&changerq_lock, LK_RELEASE); 810 811 /* 812 * If we found a matching entry, just add this device to 813 * the list of devices on this changer. 814 */ 815 if (found == 1) { 816 struct chdevlist *chlunhead; 817 818 chlunhead = &nchanger->chluns; 819 820 /* 821 * XXX KDM look at consolidating this code with the 822 * code below in a separate function. 823 */ 824 825 /* 826 * Create a path with lun id 0, and see if we can 827 * find a matching device 828 */ 829 status = xpt_create_path(&path, /*periph*/ periph, 830 cgd->ccb_h.path_id, 831 cgd->ccb_h.target_id, 0); 832 833 if ((status == CAM_REQ_CMP) 834 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 835 struct cd_softc *nsoftc; 836 837 nsoftc = (struct cd_softc *)nperiph->softc; 838 839 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 840 nsoftc->flags |= CD_FLAG_CHANGER; 841 nchanger->num_devices++; 842 if (camq_resize(&nchanger->devq, 843 nchanger->num_devices)!=CAM_REQ_CMP){ 844 kprintf("cdregister: " 845 "camq_resize " 846 "failed, changer " 847 "support may " 848 "be messed up\n"); 849 } 850 nsoftc->changer = nchanger; 851 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 852 853 STAILQ_INSERT_TAIL(&nchanger->chluns, 854 nsoftc,changer_links); 855 } 856 xpt_free_path(path); 857 } else if (status == CAM_REQ_CMP) 858 xpt_free_path(path); 859 else { 860 kprintf("cdregister: unable to allocate path\n" 861 "cdregister: changer support may be " 862 "broken\n"); 863 } 864 865 nchanger->num_devices++; 866 867 softc->changer = nchanger; 868 softc->pinfo.index = CAM_UNQUEUED_INDEX; 869 870 if (camq_resize(&nchanger->devq, 871 nchanger->num_devices) != CAM_REQ_CMP) { 872 kprintf("cdregister: camq_resize " 873 "failed, changer support may " 874 "be messed up\n"); 875 } 876 877 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 878 } 879 /* 880 * In this case, we don't already have an entry for this 881 * particular changer, so we need to create one, add it to 882 * the queue, and queue this device on the list for this 883 * changer. Before we queue this device, however, we need 884 * to search for lun id 0 on this target, and add it to the 885 * queue first, if it exists. (and if it hasn't already 886 * been marked as part of the changer.) 887 */ 888 else { 889 nchanger = kmalloc(sizeof(struct cdchanger), 890 M_DEVBUF, M_INTWAIT | M_ZERO); 891 callout_init(&nchanger->short_handle); 892 callout_init(&nchanger->long_handle); 893 if (camq_init(&nchanger->devq, 1) != 0) { 894 softc->flags &= ~CD_FLAG_CHANGER; 895 kprintf("cdregister: changer support " 896 "disabled\n"); 897 goto cdregisterexit; 898 } 899 900 nchanger->path_id = cgd->ccb_h.path_id; 901 nchanger->target_id = cgd->ccb_h.target_id; 902 903 /* this is superfluous, but it makes things clearer */ 904 nchanger->num_devices = 0; 905 906 STAILQ_INIT(&nchanger->chluns); 907 908 callout_init(&nchanger->long_handle); 909 callout_init(&nchanger->short_handle); 910 911 lockmgr(&changerq_lock, LK_EXCLUSIVE); 912 num_changers++; 913 STAILQ_INSERT_TAIL(&changerq, nchanger, 914 changer_links); 915 lockmgr(&changerq_lock, LK_RELEASE); 916 917 /* 918 * Create a path with lun id 0, and see if we can 919 * find a matching device 920 */ 921 status = xpt_create_path(&path, /*periph*/ periph, 922 cgd->ccb_h.path_id, 923 cgd->ccb_h.target_id, 0); 924 925 /* 926 * If we were able to allocate the path, and if we 927 * find a matching device and it isn't already 928 * marked as part of a changer, then we add it to 929 * the current changer. 930 */ 931 if ((status == CAM_REQ_CMP) 932 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 933 && ((((struct cd_softc *)periph->softc)->flags & 934 CD_FLAG_CHANGER) == 0)) { 935 struct cd_softc *nsoftc; 936 937 nsoftc = (struct cd_softc *)nperiph->softc; 938 939 nsoftc->flags |= CD_FLAG_CHANGER; 940 nchanger->num_devices++; 941 if (camq_resize(&nchanger->devq, 942 nchanger->num_devices) != CAM_REQ_CMP) { 943 kprintf("cdregister: camq_resize " 944 "failed, changer support may " 945 "be messed up\n"); 946 } 947 nsoftc->changer = nchanger; 948 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 949 950 STAILQ_INSERT_TAIL(&nchanger->chluns, 951 nsoftc, changer_links); 952 xpt_free_path(path); 953 } else if (status == CAM_REQ_CMP) 954 xpt_free_path(path); 955 else { 956 kprintf("cdregister: unable to allocate path\n" 957 "cdregister: changer support may be " 958 "broken\n"); 959 } 960 961 softc->changer = nchanger; 962 softc->pinfo.index = CAM_UNQUEUED_INDEX; 963 nchanger->num_devices++; 964 if (camq_resize(&nchanger->devq, 965 nchanger->num_devices) != CAM_REQ_CMP) { 966 kprintf("cdregister: camq_resize " 967 "failed, changer support may " 968 "be messed up\n"); 969 } 970 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 971 changer_links); 972 } 973 } 974 975 cdregisterexit: 976 977 /* 978 * Refcount and block open attempts until we are setup 979 * Can't block 980 */ 981 cam_periph_hold(periph, 0); 982 983 if ((softc->flags & CD_FLAG_CHANGER) == 0) 984 xpt_schedule(periph, /*priority*/5); 985 else 986 cdschedule(periph, /*priority*/ 5); 987 988 return(CAM_REQ_CMP); 989 } 990 991 static int 992 cdopen(struct dev_open_args *ap) 993 { 994 cdev_t dev = ap->a_head.a_dev; 995 struct cam_periph *periph; 996 struct cd_softc *softc; 997 int unit, error; 998 999 unit = dkunit(dev); 1000 periph = cam_extend_get(cdperiphs, unit); 1001 1002 if (periph == NULL) 1003 return (ENXIO); 1004 1005 softc = (struct cd_softc *)periph->softc; 1006 1007 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1008 return(ENXIO); 1009 1010 cam_periph_lock(periph); 1011 1012 if (softc->flags & CD_FLAG_INVALID) { 1013 cam_periph_unlock(periph); 1014 cam_periph_release(periph); 1015 return(ENXIO); 1016 } 1017 1018 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1019 cam_periph_unlock(periph); 1020 cam_periph_release(periph); 1021 return (error); 1022 } 1023 1024 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1025 if (softc->flags & CD_FLAG_OPEN) 1026 cam_periph_release(periph); 1027 else 1028 softc->flags |= CD_FLAG_OPEN; 1029 1030 /* 1031 * Check for media, and set the appropriate flags. We don't bail 1032 * if we don't have media, but then we don't allow anything but the 1033 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1034 * 1035 * XXX KDM for now, we do fail the open if we don't have media. We 1036 * can change this once we've figured out how to make the slice 1037 * code work well with media changing underneath it. 1038 */ 1039 error = cdcheckmedia(periph); 1040 1041 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1042 cam_periph_unhold(periph, 1); 1043 /* stays acquired */ 1044 1045 return (0); 1046 } 1047 1048 static int 1049 cdclose(struct dev_close_args *ap) 1050 { 1051 cdev_t dev = ap->a_head.a_dev; 1052 struct cam_periph *periph; 1053 struct cd_softc *softc; 1054 struct disk_info *info; 1055 int unit; 1056 1057 unit = dkunit(dev); 1058 periph = cam_extend_get(cdperiphs, unit); 1059 if (periph == NULL) 1060 return (ENXIO); 1061 1062 softc = (struct cd_softc *)periph->softc; 1063 1064 cam_periph_lock(periph); 1065 cam_periph_hold(periph, 0); 1066 1067 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1068 cdprevent(periph, PR_ALLOW); 1069 1070 /* 1071 * Unconditionally set the dsopen() flags back to their default 1072 * state. 1073 */ 1074 info = &softc->disk.d_info; 1075 info->d_dsflags &= ~DSO_NOLABELS; 1076 info->d_dsflags |= DSO_COMPATLABEL; 1077 1078 /* 1079 * Since we're closing this CD, mark the blocksize as unavailable. 1080 * It will be marked as available when the CD is opened again. 1081 */ 1082 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1083 1084 /* 1085 * We'll check the media and toc again at the next open(). 1086 */ 1087 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1088 1089 cam_periph_unhold(periph, 1); 1090 cam_periph_release(periph); 1091 1092 return (0); 1093 } 1094 1095 static void 1096 cdshorttimeout(void *arg) 1097 { 1098 struct cdchanger *changer; 1099 1100 changer = (struct cdchanger *)arg; 1101 1102 /* Always clear the short timeout flag, since that's what we're in */ 1103 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1104 1105 /* 1106 * Check to see if there is any more pending or outstanding I/O for 1107 * this device. If not, move it out of the active slot. 1108 */ 1109 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1110 && (changer->cur_device->outstanding_cmds == 0)) { 1111 changer->flags |= CHANGER_MANUAL_CALL; 1112 cdrunchangerqueue(changer); 1113 } 1114 } 1115 1116 /* 1117 * This is a wrapper for xpt_schedule. It only applies to changers. 1118 */ 1119 static void 1120 cdschedule(struct cam_periph *periph, int priority) 1121 { 1122 struct cd_softc *softc; 1123 1124 softc = (struct cd_softc *)periph->softc; 1125 1126 /* 1127 * If this device isn't currently queued, and if it isn't 1128 * the active device, then we queue this device and run the 1129 * changer queue if there is no timeout scheduled to do it. 1130 * If this device is the active device, just schedule it 1131 * to run again. If this device is queued, there should be 1132 * a timeout in place already that will make sure it runs. 1133 */ 1134 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1135 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1136 /* 1137 * We don't do anything with the priority here. 1138 * This is strictly a fifo queue. 1139 */ 1140 softc->pinfo.priority = 1; 1141 softc->pinfo.generation = ++softc->changer->devq.generation; 1142 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1143 1144 /* 1145 * Since we just put a device in the changer queue, 1146 * check and see if there is a timeout scheduled for 1147 * this changer. If so, let the timeout handle 1148 * switching this device into the active slot. If 1149 * not, manually call the timeout routine to 1150 * bootstrap things. 1151 */ 1152 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1153 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1154 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1155 softc->changer->flags |= CHANGER_MANUAL_CALL; 1156 cdrunchangerqueue(softc->changer); 1157 } 1158 } else if ((softc->flags & CD_FLAG_ACTIVE) 1159 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1160 xpt_schedule(periph, priority); 1161 } 1162 } 1163 1164 static void 1165 cdrunchangerqueue(void *arg) 1166 { 1167 struct cd_softc *softc; 1168 struct cdchanger *changer; 1169 int called_from_timeout; 1170 1171 changer = (struct cdchanger *)arg; 1172 1173 /* 1174 * If we have NOT been called from cdstrategy() or cddone(), and 1175 * instead from a timeout routine, go ahead and clear the 1176 * timeout flag. 1177 */ 1178 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1179 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1180 called_from_timeout = 1; 1181 } else 1182 called_from_timeout = 0; 1183 1184 /* Always clear the manual call flag */ 1185 changer->flags &= ~CHANGER_MANUAL_CALL; 1186 1187 /* nothing to do if the queue is empty */ 1188 if (changer->devq.entries <= 0) { 1189 return; 1190 } 1191 1192 /* 1193 * If the changer queue is frozen, that means we have an active 1194 * device. 1195 */ 1196 if (changer->devq.qfrozen_cnt > 0) { 1197 1198 /* 1199 * We always need to reset the frozen count and clear the 1200 * active flag. 1201 */ 1202 changer->devq.qfrozen_cnt--; 1203 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1204 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1205 1206 if (changer->cur_device->outstanding_cmds > 0) { 1207 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1208 changer->cur_device->bufs_left = 1209 changer->cur_device->outstanding_cmds; 1210 if (called_from_timeout) { 1211 callout_reset(&changer->long_handle, 1212 changer_max_busy_seconds * hz, 1213 cdrunchangerqueue, changer); 1214 changer->flags |= CHANGER_TIMEOUT_SCHED; 1215 } 1216 return; 1217 } 1218 1219 /* 1220 * Check to see whether the current device has any I/O left 1221 * to do. If so, requeue it at the end of the queue. If 1222 * not, there is no need to requeue it. 1223 */ 1224 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1225 1226 changer->cur_device->pinfo.generation = 1227 ++changer->devq.generation; 1228 camq_insert(&changer->devq, 1229 (cam_pinfo *)changer->cur_device); 1230 } 1231 } 1232 1233 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1234 1235 changer->cur_device = softc; 1236 1237 changer->devq.qfrozen_cnt++; 1238 softc->flags |= CD_FLAG_ACTIVE; 1239 1240 /* Just in case this device is waiting */ 1241 wakeup(&softc->changer); 1242 xpt_schedule(softc->periph, /*priority*/ 1); 1243 1244 /* 1245 * Get rid of any pending timeouts, and set a flag to schedule new 1246 * ones so this device gets its full time quantum. 1247 */ 1248 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1249 callout_stop(&changer->long_handle); 1250 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1251 } 1252 1253 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1254 callout_stop(&changer->short_handle); 1255 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1256 } 1257 1258 /* 1259 * We need to schedule timeouts, but we only do this after the 1260 * first transaction has completed. This eliminates the changer 1261 * switch time. 1262 */ 1263 changer->flags |= CHANGER_NEED_TIMEOUT; 1264 } 1265 1266 static void 1267 cdchangerschedule(struct cd_softc *softc) 1268 { 1269 struct cdchanger *changer; 1270 1271 changer = softc->changer; 1272 1273 /* 1274 * If this is a changer, and this is the current device, 1275 * and this device has at least the minimum time quantum to 1276 * run, see if we can switch it out. 1277 */ 1278 if ((softc->flags & CD_FLAG_ACTIVE) 1279 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1280 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1281 /* 1282 * We try three things here. The first is that we 1283 * check to see whether the schedule on completion 1284 * flag is set. If it is, we decrement the number 1285 * of buffers left, and if it's zero, we reschedule. 1286 * Next, we check to see whether the pending buffer 1287 * queue is empty and whether there are no 1288 * outstanding transactions. If so, we reschedule. 1289 * Next, we see if the pending buffer queue is empty. 1290 * If it is, we set the number of buffers left to 1291 * the current active buffer count and set the 1292 * schedule on complete flag. 1293 */ 1294 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1295 if (--softc->bufs_left == 0) { 1296 softc->changer->flags |= 1297 CHANGER_MANUAL_CALL; 1298 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1299 cdrunchangerqueue(softc->changer); 1300 } 1301 } else if ((bioq_first(&softc->bio_queue) == NULL) 1302 && (softc->outstanding_cmds == 0)) { 1303 softc->changer->flags |= CHANGER_MANUAL_CALL; 1304 cdrunchangerqueue(softc->changer); 1305 } 1306 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1307 && (softc->flags & CD_FLAG_ACTIVE)) { 1308 1309 /* 1310 * Now that the first transaction to this 1311 * particular device has completed, we can go ahead 1312 * and schedule our timeouts. 1313 */ 1314 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1315 callout_reset(&changer->long_handle, 1316 changer_max_busy_seconds * hz, 1317 cdrunchangerqueue, changer); 1318 changer->flags |= CHANGER_TIMEOUT_SCHED; 1319 } else 1320 kprintf("cdchangerschedule: already have a long" 1321 " timeout!\n"); 1322 1323 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1324 callout_reset(&changer->short_handle, 1325 changer_min_busy_seconds * hz, 1326 cdshorttimeout, changer); 1327 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1328 } else 1329 kprintf("cdchangerschedule: already have a short " 1330 "timeout!\n"); 1331 1332 /* 1333 * We just scheduled timeouts, no need to schedule 1334 * more. 1335 */ 1336 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1337 1338 } 1339 } 1340 1341 static int 1342 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1343 u_int32_t cam_flags, 1344 u_int32_t sense_flags), 1345 u_int32_t cam_flags, u_int32_t sense_flags) 1346 { 1347 struct cd_softc *softc; 1348 struct cam_periph *periph; 1349 int error; 1350 1351 periph = xpt_path_periph(ccb->ccb_h.path); 1352 softc = (struct cd_softc *)periph->softc; 1353 1354 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1355 &softc->device_stats); 1356 1357 if (softc->flags & CD_FLAG_CHANGER) 1358 cdchangerschedule(softc); 1359 1360 return(error); 1361 } 1362 1363 static union ccb * 1364 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1365 { 1366 struct cd_softc *softc; 1367 1368 softc = (struct cd_softc *)periph->softc; 1369 1370 if (softc->flags & CD_FLAG_CHANGER) { 1371 /* 1372 * This should work the first time this device is woken up, 1373 * but just in case it doesn't, we use a while loop. 1374 */ 1375 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1376 /* 1377 * If this changer isn't already queued, queue it up. 1378 */ 1379 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1380 softc->pinfo.priority = 1; 1381 softc->pinfo.generation = 1382 ++softc->changer->devq.generation; 1383 camq_insert(&softc->changer->devq, 1384 (cam_pinfo *)softc); 1385 } 1386 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1387 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1388 && ((softc->changer->flags 1389 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1390 softc->changer->flags |= CHANGER_MANUAL_CALL; 1391 cdrunchangerqueue(softc->changer); 1392 } else 1393 sim_lock_sleep(&softc->changer, 0, "cgticb", 0, 1394 periph->sim->lock); 1395 } 1396 } 1397 return(cam_periph_getccb(periph, priority)); 1398 } 1399 1400 /* 1401 * Actually translate the requested transfer into one the physical driver 1402 * can understand. The transfer is described by a buf and will include 1403 * only one physical transfer. 1404 */ 1405 static int 1406 cdstrategy(struct dev_strategy_args *ap) 1407 { 1408 cdev_t dev = ap->a_head.a_dev; 1409 struct bio *bio = ap->a_bio; 1410 struct buf *bp = bio->bio_buf; 1411 struct cam_periph *periph; 1412 struct cd_softc *softc; 1413 u_int unit; 1414 1415 unit = dkunit(dev); 1416 periph = cam_extend_get(cdperiphs, unit); 1417 if (periph == NULL) { 1418 bp->b_error = ENXIO; 1419 goto bad; 1420 } 1421 1422 cam_periph_lock(periph); 1423 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1424 1425 softc = (struct cd_softc *)periph->softc; 1426 1427 /* 1428 * If the device has been made invalid, error out 1429 */ 1430 if ((softc->flags & CD_FLAG_INVALID)) { 1431 cam_periph_unlock(periph); 1432 bp->b_error = ENXIO; 1433 goto bad; 1434 } 1435 1436 /* 1437 * If we don't have valid media, look for it before trying to 1438 * schedule the I/O. 1439 */ 1440 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1441 int error; 1442 1443 error = cdcheckmedia(periph); 1444 if (error != 0) { 1445 cam_periph_unlock(periph); 1446 bp->b_error = error; 1447 goto bad; 1448 } 1449 } 1450 1451 /* 1452 * Place it in the queue of disk activities for this disk 1453 */ 1454 bioqdisksort(&softc->bio_queue, bio); 1455 1456 /* 1457 * Schedule ourselves for performing the work. We do things 1458 * differently for changers. 1459 */ 1460 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1461 xpt_schedule(periph, /* XXX priority */1); 1462 else 1463 cdschedule(periph, /* priority */ 1); 1464 1465 cam_periph_unlock(periph); 1466 return(0); 1467 bad: 1468 bp->b_flags |= B_ERROR; 1469 /* 1470 * Correctly set the buf to indicate a completed xfer 1471 */ 1472 bp->b_resid = bp->b_bcount; 1473 biodone(bio); 1474 return(0); 1475 } 1476 1477 static void 1478 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1479 { 1480 struct cd_softc *softc; 1481 struct bio *bio; 1482 struct buf *bp; 1483 struct ccb_scsiio *csio; 1484 struct scsi_read_capacity_data *rcap; 1485 1486 softc = (struct cd_softc *)periph->softc; 1487 1488 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1489 1490 switch (softc->state) { 1491 case CD_STATE_NORMAL: 1492 { 1493 bio = bioq_first(&softc->bio_queue); 1494 if (periph->immediate_priority <= periph->pinfo.priority) { 1495 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1496 1497 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1498 periph_links.sle); 1499 periph->immediate_priority = CAM_PRIORITY_NONE; 1500 wakeup(&periph->ccb_list); 1501 } else if (bio == NULL) { 1502 xpt_release_ccb(start_ccb); 1503 } else { 1504 bp = bio->bio_buf; 1505 bioq_remove(&softc->bio_queue, bio); 1506 1507 devstat_start_transaction(&softc->device_stats); 1508 1509 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1510 1511 scsi_read_write(&start_ccb->csio, 1512 /*retries*/4, 1513 /* cbfcnp */ cddone, 1514 (bp->b_flags & B_ORDERED) != 0 ? 1515 MSG_ORDERED_Q_TAG : 1516 MSG_SIMPLE_Q_TAG, 1517 /* read */(bp->b_cmd == BUF_CMD_READ), 1518 /* byte2 */ 0, 1519 /* minimum_cmd_size */ 10, 1520 /* lba */ 1521 bio->bio_offset / softc->params.blksize, 1522 bp->b_bcount / softc->params.blksize, 1523 /* data_ptr */ bp->b_data, 1524 /* dxfer_len */ bp->b_bcount, 1525 /* sense_len */ SSD_FULL_SIZE, 1526 /* timeout */ 30000); 1527 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1528 1529 1530 LIST_INSERT_HEAD(&softc->pending_ccbs, 1531 &start_ccb->ccb_h, periph_links.le); 1532 1533 softc->outstanding_cmds++; 1534 /* We expect a unit attention from this device */ 1535 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1536 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1537 softc->flags &= ~CD_FLAG_RETRY_UA; 1538 } 1539 1540 start_ccb->ccb_h.ccb_bio = bio; 1541 bio = bioq_first(&softc->bio_queue); 1542 1543 xpt_action(start_ccb); 1544 } 1545 if (bio != NULL) { 1546 /* Have more work to do, so ensure we stay scheduled */ 1547 xpt_schedule(periph, /* XXX priority */1); 1548 } 1549 break; 1550 } 1551 case CD_STATE_PROBE: 1552 { 1553 1554 rcap = kmalloc(sizeof(*rcap), M_SCSICD, M_INTWAIT); 1555 csio = &start_ccb->csio; 1556 scsi_read_capacity(csio, 1557 /*retries*/1, 1558 cddone, 1559 MSG_SIMPLE_Q_TAG, 1560 rcap, 1561 SSD_FULL_SIZE, 1562 /*timeout*/20000); 1563 start_ccb->ccb_h.ccb_bio = NULL; 1564 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1565 xpt_action(start_ccb); 1566 break; 1567 } 1568 } 1569 } 1570 1571 static void 1572 cddone(struct cam_periph *periph, union ccb *done_ccb) 1573 { 1574 struct cd_softc *softc; 1575 struct ccb_scsiio *csio; 1576 1577 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1578 1579 softc = (struct cd_softc *)periph->softc; 1580 csio = &done_ccb->csio; 1581 1582 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1583 case CD_CCB_BUFFER_IO: 1584 { 1585 struct buf *bp; 1586 struct bio *bio; 1587 int error; 1588 1589 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1590 bp = bio->bio_buf; 1591 error = 0; 1592 1593 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1594 int sf; 1595 1596 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1597 sf = SF_RETRY_UA; 1598 else 1599 sf = 0; 1600 1601 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1602 if (error == ERESTART) { 1603 /* 1604 * A retry was scheuled, so 1605 * just return. 1606 */ 1607 return; 1608 } 1609 } 1610 1611 if (error != 0) { 1612 struct bio *q_bio; 1613 struct buf *q_bp; 1614 1615 xpt_print(periph->path, 1616 "cddone: got error %#x back\n", error); 1617 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1618 bioq_remove(&softc->bio_queue, q_bio); 1619 q_bp = q_bio->bio_buf; 1620 q_bp->b_resid = q_bp->b_bcount; 1621 q_bp->b_error = EIO; 1622 q_bp->b_flags |= B_ERROR; 1623 biodone(q_bio); 1624 } 1625 bp->b_resid = bp->b_bcount; 1626 bp->b_error = error; 1627 bp->b_flags |= B_ERROR; 1628 cam_release_devq(done_ccb->ccb_h.path, 1629 /*relsim_flags*/0, 1630 /*reduction*/0, 1631 /*timeout*/0, 1632 /*getcount_only*/0); 1633 1634 } else { 1635 bp->b_resid = csio->resid; 1636 bp->b_error = 0; 1637 if (bp->b_resid != 0) { 1638 /* Short transfer ??? */ 1639 bp->b_flags |= B_ERROR; 1640 } 1641 } 1642 1643 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1644 softc->outstanding_cmds--; 1645 1646 if (softc->flags & CD_FLAG_CHANGER) 1647 cdchangerschedule(softc); 1648 1649 devstat_end_transaction_buf(&softc->device_stats, bp); 1650 biodone(bio); 1651 break; 1652 } 1653 case CD_CCB_PROBE: 1654 { 1655 /* 1656 * Currently (9/30/97) the longest possible announce 1657 * buffer is 108 bytes, for the first error case below. 1658 * That is 39 bytes for the basic string, 16 bytes for the 1659 * biggest sense key (hardware error), 52 bytes for the 1660 * text of the largest sense qualifier valid for a CDROM, 1661 * (0x72, 0x03 or 0x04, 0x03), and one byte for the 1662 * null terminating character. To allow for longer strings, 1663 * the announce buffer is 120 bytes. 1664 * 1665 * We need to call disk_setdiskinfo() before the disk 1666 * subsystem will allow any opens. Because additional 1667 * probe code is in cdopen() we do this now whether a CD 1668 * is present or not. 1669 */ 1670 struct scsi_read_capacity_data *rdcap; 1671 struct disk_info info; 1672 char announce_buf[120]; 1673 struct cd_params *cdp; 1674 1675 cdp = &softc->params; 1676 bzero(&info, sizeof(info)); 1677 info.d_type = DTYPE_SCSI; 1678 info.d_dsflags &= ~DSO_COMPATLABEL; 1679 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 1680 info.d_serialno = xpt_path_serialno(periph->path); 1681 1682 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1683 1684 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1685 cdp->blksize = scsi_4btoul (rdcap->length); 1686 1687 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1688 ksnprintf(announce_buf, sizeof(announce_buf), 1689 "cd present [%lu x %lu byte records]", 1690 cdp->disksize, (u_long)cdp->blksize); 1691 info.d_media_blksize = cdp->blksize; 1692 info.d_media_blocks = cdp->disksize; 1693 disk_setdiskinfo(&softc->disk, &info); 1694 } else { 1695 int error; 1696 1697 /* 1698 * Retry any UNIT ATTENTION type errors. They 1699 * are expected at boot. 1700 */ 1701 error = cderror(done_ccb, CAM_RETRY_SELTO, 1702 SF_RETRY_UA | SF_NO_PRINT); 1703 if (error == ERESTART) { 1704 /* 1705 * A retry was scheuled, so 1706 * just return. 1707 */ 1708 return; 1709 } else if (error != 0) { 1710 struct scsi_sense_data *sense; 1711 int asc, ascq; 1712 int sense_key, error_code; 1713 int have_sense; 1714 cam_status status; 1715 struct ccb_getdev cgd; 1716 1717 /* Don't wedge this device's queue */ 1718 cam_release_devq(done_ccb->ccb_h.path, 1719 /*relsim_flags*/0, 1720 /*reduction*/0, 1721 /*timeout*/0, 1722 /*getcount_only*/0); 1723 1724 status = done_ccb->ccb_h.status; 1725 1726 xpt_setup_ccb(&cgd.ccb_h, 1727 done_ccb->ccb_h.path, 1728 /* priority */ 1); 1729 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1730 xpt_action((union ccb *)&cgd); 1731 1732 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1733 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1734 || ((status & CAM_AUTOSNS_VALID) == 0)) 1735 have_sense = FALSE; 1736 else 1737 have_sense = TRUE; 1738 1739 if (have_sense) { 1740 sense = &csio->sense_data; 1741 scsi_extract_sense(sense, &error_code, 1742 &sense_key, 1743 &asc, &ascq); 1744 } 1745 /* 1746 * Attach to anything that claims to be a 1747 * CDROM or WORM device, as long as it 1748 * doesn't return a "Logical unit not 1749 * supported" (0x25) error. 1750 */ 1751 if ((have_sense) && (asc != 0x25) 1752 && (error_code == SSD_CURRENT_ERROR)) { 1753 const char *sense_key_desc; 1754 const char *asc_desc; 1755 1756 scsi_sense_desc(sense_key, asc, ascq, 1757 &cgd.inq_data, 1758 &sense_key_desc, 1759 &asc_desc); 1760 ksnprintf(announce_buf, 1761 sizeof(announce_buf), 1762 "Attempt to query device " 1763 "size failed: %s, %s", 1764 sense_key_desc, 1765 asc_desc); 1766 info.d_media_blksize = 2048; 1767 disk_setdiskinfo(&softc->disk, &info); 1768 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1769 /* 1770 * We only print out an error for 1771 * CDROM type devices. For WORM 1772 * devices, we don't print out an 1773 * error since a few WORM devices 1774 * don't support CDROM commands. 1775 * If we have sense information, go 1776 * ahead and print it out. 1777 * Otherwise, just say that we 1778 * couldn't attach. 1779 */ 1780 1781 /* 1782 * Just print out the error, not 1783 * the full probe message, when we 1784 * don't attach. 1785 */ 1786 if (have_sense) 1787 scsi_sense_print( 1788 &done_ccb->csio); 1789 else { 1790 xpt_print(periph->path, 1791 "got CAM status %#x\n", 1792 done_ccb->ccb_h.status); 1793 } 1794 xpt_print(periph->path, "fatal error, " 1795 "failed to attach to device\n"); 1796 /* 1797 * Invalidate this peripheral. 1798 */ 1799 cam_periph_invalidate(periph); 1800 1801 announce_buf[0] = '\0'; 1802 } else { 1803 1804 /* 1805 * Invalidate this peripheral. 1806 */ 1807 cam_periph_invalidate(periph); 1808 announce_buf[0] = '\0'; 1809 } 1810 } 1811 } 1812 kfree(rdcap, M_SCSICD); 1813 if (announce_buf[0] != '\0') { 1814 xpt_announce_periph(periph, announce_buf); 1815 if (softc->flags & CD_FLAG_CHANGER) 1816 cdchangerschedule(softc); 1817 /* 1818 * Create our sysctl variables, now that we know 1819 * we have successfully attached. 1820 */ 1821 taskqueue_enqueue(taskqueue_thread[mycpuid], 1822 &softc->sysctl_task); 1823 } 1824 softc->state = CD_STATE_NORMAL; 1825 /* 1826 * Since our peripheral may be invalidated by an error 1827 * above or an external event, we must release our CCB 1828 * before releasing the probe lock on the peripheral. 1829 * The peripheral will only go away once the last lock 1830 * is removed, and we need it around for the CCB release 1831 * operation. 1832 */ 1833 xpt_release_ccb(done_ccb); 1834 cam_periph_unhold(periph, 0); 1835 return; 1836 } 1837 case CD_CCB_WAITING: 1838 { 1839 /* Caller will release the CCB */ 1840 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1841 ("trying to wakeup ccbwait\n")); 1842 1843 wakeup(&done_ccb->ccb_h.cbfcnp); 1844 return; 1845 } 1846 default: 1847 break; 1848 } 1849 xpt_release_ccb(done_ccb); 1850 } 1851 1852 static union cd_pages * 1853 cdgetpage(struct cd_mode_params *mode_params) 1854 { 1855 union cd_pages *page; 1856 1857 if (mode_params->cdb_size == 10) 1858 page = (union cd_pages *)find_mode_page_10( 1859 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1860 else 1861 page = (union cd_pages *)find_mode_page_6( 1862 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1863 1864 return (page); 1865 } 1866 1867 static int 1868 cdgetpagesize(int page_num) 1869 { 1870 int i; 1871 1872 for (i = 0; i < (sizeof(cd_page_size_table)/ 1873 sizeof(cd_page_size_table[0])); 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 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 cdprevent(periph, PR_PREVENT); 2808 2809 /* 2810 * Set up disk info fields and tell the disk subsystem to reset 2811 * its internal copy of the label. 2812 */ 2813 bzero(&info, sizeof(info)); 2814 info.d_type = DTYPE_SCSI; 2815 info.d_dsflags &= ~DSO_COMPATLABEL; 2816 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2817 info.d_serialno = xpt_path_serialno(periph->path); 2818 2819 /* 2820 * Grab the inquiry data to get the vendor and product names. 2821 * Put them in the typename and packname for the label. 2822 */ 2823 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2824 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2825 xpt_action((union ccb *)&cgd); 2826 2827 #if 0 2828 strncpy(label->d_typename, cgd.inq_data.vendor, 2829 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2830 strncpy(label->d_packname, cgd.inq_data.product, 2831 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2832 #endif 2833 /* 2834 * Clear the valid media and TOC flags until we've verified that we 2835 * have both. 2836 */ 2837 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2838 2839 /* 2840 * Get the disc size and block size. If we can't get it, we don't 2841 * have media, most likely. 2842 */ 2843 if ((error = cdsize(periph, &size)) != 0) { 2844 /* 2845 * Set a bogus sector size, so the slice code won't try to 2846 * divide by 0 and panic the kernel. 2847 */ 2848 info.d_media_blksize = 2048; 2849 disk_setdiskinfo(&softc->disk, &info); 2850 2851 /* 2852 * Tell devstat(9) we don't have a blocksize. 2853 */ 2854 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2855 2856 cdprevent(periph, PR_ALLOW); 2857 2858 return (error); 2859 } else { 2860 info.d_media_blksize = softc->params.blksize; 2861 info.d_media_blocks = softc->params.disksize; 2862 disk_setdiskinfo(&softc->disk, &info); 2863 2864 /* 2865 * We unconditionally (re)set the blocksize each time the 2866 * CD device is opened. This is because the CD can change, 2867 * and therefore the blocksize might change. 2868 * XXX problems here if some slice or partition is still 2869 * open with the old size? 2870 */ 2871 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2872 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2873 softc->device_stats.block_size = softc->params.blksize; 2874 2875 softc->flags |= CD_FLAG_VALID_MEDIA; 2876 } 2877 2878 /* 2879 * Now we check the table of contents. This (currently) is only 2880 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2881 * things like present a separate entry in /dev for each track, 2882 * like that acd(4) driver does. 2883 */ 2884 bzero(&softc->toc, sizeof(softc->toc)); 2885 toch = &softc->toc.header; 2886 2887 /* 2888 * We will get errors here for media that doesn't have a table of 2889 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2890 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2891 * has not been recorded (no complete session) and the Format codes 2892 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2893 * with an INVALID FIELD IN CDB. Devices that are not capable of 2894 * reading an incomplete session on DDC/CD-R/RW media shall report 2895 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2896 * 2897 * So this isn't fatal if we can't read the table of contents, it 2898 * just means that the user won't be able to issue the play tracks 2899 * ioctl, and likely lots of other stuff won't work either. They 2900 * need to burn the CD before we can do a whole lot with it. So 2901 * we don't print anything here if we get an error back. 2902 */ 2903 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2904 SF_NO_PRINT); 2905 /* 2906 * Errors in reading the table of contents aren't fatal, we just 2907 * won't have a valid table of contents cached. 2908 */ 2909 if (error != 0) { 2910 error = 0; 2911 bzero(&softc->toc, sizeof(softc->toc)); 2912 goto bailout; 2913 } 2914 2915 if (softc->quirks & CD_Q_BCD_TRACKS) { 2916 toch->starting_track = bcd2bin(toch->starting_track); 2917 toch->ending_track = bcd2bin(toch->ending_track); 2918 } 2919 2920 /* Number of TOC entries, plus leadout */ 2921 num_entries = (toch->ending_track - toch->starting_track) + 2; 2922 2923 if (num_entries <= 0) 2924 goto bailout; 2925 2926 toclen = num_entries * sizeof(struct cd_toc_entry); 2927 2928 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2929 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2930 SF_NO_PRINT); 2931 if (error != 0) { 2932 error = 0; 2933 bzero(&softc->toc, sizeof(softc->toc)); 2934 goto bailout; 2935 } 2936 2937 if (softc->quirks & CD_Q_BCD_TRACKS) { 2938 toch->starting_track = bcd2bin(toch->starting_track); 2939 toch->ending_track = bcd2bin(toch->ending_track); 2940 } 2941 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2942 2943 /* 2944 * XXX KDM is this necessary? Probably only if the drive doesn't 2945 * return leadout information with the table of contents. 2946 */ 2947 cdindex = toch->starting_track + num_entries -1; 2948 if (cdindex == toch->ending_track + 1) { 2949 2950 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2951 (u_int8_t *)&leadout, sizeof(leadout), 2952 SF_NO_PRINT); 2953 if (error != 0) { 2954 error = 0; 2955 goto bailout; 2956 } 2957 softc->toc.entries[cdindex - toch->starting_track] = 2958 leadout.entry; 2959 } 2960 if (softc->quirks & CD_Q_BCD_TRACKS) { 2961 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2962 softc->toc.entries[cdindex].track = 2963 bcd2bin(softc->toc.entries[cdindex].track); 2964 } 2965 } 2966 2967 /* 2968 * Run through the TOC entries, find the first entry and determine 2969 * whether it is an audio or data track. 2970 */ 2971 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2972 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2973 if (softc->toc.entries[cdindex].control & 0x04) 2974 first_track_audio = 0; 2975 else 2976 first_track_audio = 1; 2977 break; 2978 } 2979 } 2980 2981 /* 2982 * If first_track_audio is non-zero, we either have an error (e.g. 2983 * couldn't find the starting track) or the first track is an audio 2984 * track. If first_track_audio is 0, the first track is a data 2985 * track that could have a disklabel. Attempt to read the 2986 * disklabel off the media, just in case the user put one there. 2987 */ 2988 if (first_track_audio == 0) { 2989 info.d_dsflags |= DSO_COMPATLABEL; 2990 info.d_dsflags &= ~DSO_NOLABELS; 2991 disk_setdiskinfo(&softc->disk, &info); 2992 } 2993 softc->flags |= CD_FLAG_VALID_TOC; 2994 2995 bailout: 2996 return (error); 2997 } 2998 2999 static int 3000 cdsize(struct cam_periph *periph, u_int32_t *size) 3001 { 3002 struct cd_softc *softc; 3003 union ccb *ccb; 3004 struct scsi_read_capacity_data *rcap_buf; 3005 int error; 3006 3007 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3008 3009 softc = (struct cd_softc *)periph->softc; 3010 3011 ccb = cdgetccb(periph, /* priority */ 1); 3012 3013 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3014 M_SCSICD, M_INTWAIT | M_ZERO); 3015 3016 scsi_read_capacity(&ccb->csio, 3017 /*retries*/ 1, 3018 cddone, 3019 MSG_SIMPLE_Q_TAG, 3020 rcap_buf, 3021 SSD_FULL_SIZE, 3022 /* timeout */20000); 3023 3024 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3025 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3026 3027 xpt_release_ccb(ccb); 3028 3029 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3030 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3031 /* 3032 * SCSI-3 mandates that the reported blocksize shall be 2048. 3033 * Older drives sometimes report funny values, trim it down to 3034 * 2048, or other parts of the kernel will get confused. 3035 * 3036 * XXX we leave drives alone that might report 512 bytes, as 3037 * well as drives reporting more weird sizes like perhaps 4K. 3038 */ 3039 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3040 softc->params.blksize = 2048; 3041 3042 kfree(rcap_buf, M_SCSICD); 3043 *size = softc->params.disksize; 3044 3045 return (error); 3046 3047 } 3048 3049 static int 3050 cd6byteworkaround(union ccb *ccb) 3051 { 3052 u_int8_t *cdb; 3053 struct cam_periph *periph; 3054 struct cd_softc *softc; 3055 struct cd_mode_params *params; 3056 int frozen, found; 3057 3058 periph = xpt_path_periph(ccb->ccb_h.path); 3059 softc = (struct cd_softc *)periph->softc; 3060 3061 cdb = ccb->csio.cdb_io.cdb_bytes; 3062 3063 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3064 || ((cdb[0] != MODE_SENSE_6) 3065 && (cdb[0] != MODE_SELECT_6))) 3066 return (0); 3067 3068 /* 3069 * Because there is no convenient place to stash the overall 3070 * cd_mode_params structure pointer, we have to grab it like this. 3071 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3072 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3073 * 3074 * XXX It would be nice if, at some point, we could increase the 3075 * number of available peripheral private pointers. Both pointers 3076 * are currently used in most every peripheral driver. 3077 */ 3078 found = 0; 3079 3080 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3081 if (params->mode_buf == ccb->csio.data_ptr) { 3082 found = 1; 3083 break; 3084 } 3085 } 3086 3087 /* 3088 * This shouldn't happen. All mode sense and mode select 3089 * operations in the cd(4) driver MUST go through cdgetmode() and 3090 * cdsetmode()! 3091 */ 3092 if (found == 0) { 3093 xpt_print(periph->path, 3094 "mode buffer not found in mode queue!\n"); 3095 return (0); 3096 } 3097 3098 params->cdb_size = 10; 3099 softc->minimum_command_size = 10; 3100 xpt_print(ccb->ccb_h.path, 3101 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3102 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3103 3104 if (cdb[0] == MODE_SENSE_6) { 3105 struct scsi_mode_sense_10 ms10; 3106 struct scsi_mode_sense_6 *ms6; 3107 int len; 3108 3109 ms6 = (struct scsi_mode_sense_6 *)cdb; 3110 3111 bzero(&ms10, sizeof(ms10)); 3112 ms10.opcode = MODE_SENSE_10; 3113 ms10.byte2 = ms6->byte2; 3114 ms10.page = ms6->page; 3115 3116 /* 3117 * 10 byte mode header, block descriptor, 3118 * sizeof(union cd_pages) 3119 */ 3120 len = sizeof(struct cd_mode_data_10); 3121 ccb->csio.dxfer_len = len; 3122 3123 scsi_ulto2b(len, ms10.length); 3124 ms10.control = ms6->control; 3125 bcopy(&ms10, cdb, 10); 3126 ccb->csio.cdb_len = 10; 3127 } else { 3128 struct scsi_mode_select_10 ms10; 3129 struct scsi_mode_select_6 *ms6; 3130 struct scsi_mode_header_6 *header6; 3131 struct scsi_mode_header_10 *header10; 3132 struct scsi_mode_page_header *page_header; 3133 int blk_desc_len, page_num, page_size, len; 3134 3135 ms6 = (struct scsi_mode_select_6 *)cdb; 3136 3137 bzero(&ms10, sizeof(ms10)); 3138 ms10.opcode = MODE_SELECT_10; 3139 ms10.byte2 = ms6->byte2; 3140 3141 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3142 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3143 3144 page_header = find_mode_page_6(header6); 3145 page_num = page_header->page_code; 3146 3147 blk_desc_len = header6->blk_desc_len; 3148 3149 page_size = cdgetpagesize(page_num); 3150 3151 if (page_size != (page_header->page_length + 3152 sizeof(*page_header))) 3153 page_size = page_header->page_length + 3154 sizeof(*page_header); 3155 3156 len = sizeof(*header10) + blk_desc_len + page_size; 3157 3158 len = min(params->alloc_len, len); 3159 3160 /* 3161 * Since the 6 byte parameter header is shorter than the 10 3162 * byte parameter header, we need to copy the actual mode 3163 * page data, and the block descriptor, if any, so things wind 3164 * up in the right place. The regions will overlap, but 3165 * bcopy() does the right thing. 3166 */ 3167 bcopy(params->mode_buf + sizeof(*header6), 3168 params->mode_buf + sizeof(*header10), 3169 len - sizeof(*header10)); 3170 3171 /* Make sure these fields are set correctly. */ 3172 scsi_ulto2b(0, header10->data_length); 3173 header10->medium_type = 0; 3174 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3175 3176 ccb->csio.dxfer_len = len; 3177 3178 scsi_ulto2b(len, ms10.length); 3179 ms10.control = ms6->control; 3180 bcopy(&ms10, cdb, 10); 3181 ccb->csio.cdb_len = 10; 3182 } 3183 3184 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3185 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3186 xpt_action(ccb); 3187 if (frozen) { 3188 cam_release_devq(ccb->ccb_h.path, 3189 /*relsim_flags*/0, 3190 /*openings*/0, 3191 /*timeout*/0, 3192 /*getcount_only*/0); 3193 } 3194 3195 return (ERESTART); 3196 } 3197 3198 static int 3199 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3200 { 3201 struct cd_softc *softc; 3202 struct cam_periph *periph; 3203 int error; 3204 3205 periph = xpt_path_periph(ccb->ccb_h.path); 3206 softc = (struct cd_softc *)periph->softc; 3207 3208 error = 0; 3209 3210 /* 3211 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3212 * CDB comes back with this particular error, try transforming it 3213 * into the 10 byte version. 3214 */ 3215 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3216 error = cd6byteworkaround(ccb); 3217 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3218 CAM_SCSI_STATUS_ERROR) 3219 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3220 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3221 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3222 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3223 int sense_key, error_code, asc, ascq; 3224 3225 scsi_extract_sense(&ccb->csio.sense_data, 3226 &error_code, &sense_key, &asc, &ascq); 3227 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3228 error = cd6byteworkaround(ccb); 3229 } 3230 3231 if (error == ERESTART) 3232 return (error); 3233 3234 /* 3235 * XXX 3236 * Until we have a better way of doing pack validation, 3237 * don't treat UAs as errors. 3238 */ 3239 sense_flags |= SF_RETRY_UA; 3240 return (cam_periph_error(ccb, cam_flags, sense_flags, 3241 &softc->saved_ccb)); 3242 } 3243 3244 /* 3245 * Read table of contents 3246 */ 3247 static int 3248 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3249 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3250 { 3251 struct scsi_read_toc *scsi_cmd; 3252 u_int32_t ntoc; 3253 struct ccb_scsiio *csio; 3254 union ccb *ccb; 3255 int error; 3256 3257 ntoc = len; 3258 error = 0; 3259 3260 ccb = cdgetccb(periph, /* priority */ 1); 3261 3262 csio = &ccb->csio; 3263 3264 cam_fill_csio(csio, 3265 /* retries */ 1, 3266 /* cbfcnp */ cddone, 3267 /* flags */ CAM_DIR_IN, 3268 /* tag_action */ MSG_SIMPLE_Q_TAG, 3269 /* data_ptr */ data, 3270 /* dxfer_len */ len, 3271 /* sense_len */ SSD_FULL_SIZE, 3272 sizeof(struct scsi_read_toc), 3273 /* timeout */ 50000); 3274 3275 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3276 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3277 3278 if (mode == CD_MSF_FORMAT) 3279 scsi_cmd->byte2 |= CD_MSF; 3280 scsi_cmd->from_track = start; 3281 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3282 scsi_cmd->data_len[0] = (ntoc) >> 8; 3283 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3284 3285 scsi_cmd->op_code = READ_TOC; 3286 3287 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3288 /*sense_flags*/SF_RETRY_UA | sense_flags); 3289 3290 xpt_release_ccb(ccb); 3291 3292 return(error); 3293 } 3294 3295 static int 3296 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3297 u_int32_t format, int track, 3298 struct cd_sub_channel_info *data, u_int32_t len) 3299 { 3300 struct scsi_read_subchannel *scsi_cmd; 3301 struct ccb_scsiio *csio; 3302 union ccb *ccb; 3303 int error; 3304 3305 error = 0; 3306 3307 ccb = cdgetccb(periph, /* priority */ 1); 3308 3309 csio = &ccb->csio; 3310 3311 cam_fill_csio(csio, 3312 /* retries */ 1, 3313 /* cbfcnp */ cddone, 3314 /* flags */ CAM_DIR_IN, 3315 /* tag_action */ MSG_SIMPLE_Q_TAG, 3316 /* data_ptr */ (u_int8_t *)data, 3317 /* dxfer_len */ len, 3318 /* sense_len */ SSD_FULL_SIZE, 3319 sizeof(struct scsi_read_subchannel), 3320 /* timeout */ 50000); 3321 3322 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3323 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3324 3325 scsi_cmd->op_code = READ_SUBCHANNEL; 3326 if (mode == CD_MSF_FORMAT) 3327 scsi_cmd->byte1 |= CD_MSF; 3328 scsi_cmd->byte2 = SRS_SUBQ; 3329 scsi_cmd->subchan_format = format; 3330 scsi_cmd->track = track; 3331 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3332 scsi_cmd->control = 0; 3333 3334 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3335 /*sense_flags*/SF_RETRY_UA); 3336 3337 xpt_release_ccb(ccb); 3338 3339 return(error); 3340 } 3341 3342 /* 3343 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3344 * routine. See comments in cd6byteworkaround() for details. 3345 */ 3346 static int 3347 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3348 u_int32_t page) 3349 { 3350 struct ccb_scsiio *csio; 3351 struct cd_softc *softc; 3352 union ccb *ccb; 3353 int param_len; 3354 int error; 3355 3356 softc = (struct cd_softc *)periph->softc; 3357 3358 ccb = cdgetccb(periph, /* priority */ 1); 3359 3360 csio = &ccb->csio; 3361 3362 data->cdb_size = softc->minimum_command_size; 3363 if (data->cdb_size < 10) 3364 param_len = sizeof(struct cd_mode_data); 3365 else 3366 param_len = sizeof(struct cd_mode_data_10); 3367 3368 /* Don't say we've got more room than we actually allocated */ 3369 param_len = min(param_len, data->alloc_len); 3370 3371 scsi_mode_sense_len(csio, 3372 /* retries */ 1, 3373 /* cbfcnp */ cddone, 3374 /* tag_action */ MSG_SIMPLE_Q_TAG, 3375 /* dbd */ 0, 3376 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3377 /* page */ page, 3378 /* param_buf */ data->mode_buf, 3379 /* param_len */ param_len, 3380 /* minimum_cmd_size */ softc->minimum_command_size, 3381 /* sense_len */ SSD_FULL_SIZE, 3382 /* timeout */ 50000); 3383 3384 /* 3385 * It would be nice not to have to do this, but there's no 3386 * available pointer in the CCB that would allow us to stuff the 3387 * mode params structure in there and retrieve it in 3388 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3389 * lets the caller know what CDB size we ended up using, so they 3390 * can find the actual mode page offset. 3391 */ 3392 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3393 3394 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3395 /*sense_flags*/SF_RETRY_UA); 3396 3397 xpt_release_ccb(ccb); 3398 3399 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3400 3401 /* 3402 * This is a bit of belt-and-suspenders checking, but if we run 3403 * into a situation where the target sends back multiple block 3404 * descriptors, we might not have enough space in the buffer to 3405 * see the whole mode page. Better to return an error than 3406 * potentially access memory beyond our malloced region. 3407 */ 3408 if (error == 0) { 3409 u_int32_t data_len; 3410 3411 if (data->cdb_size == 10) { 3412 struct scsi_mode_header_10 *hdr10; 3413 3414 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3415 data_len = scsi_2btoul(hdr10->data_length); 3416 data_len += sizeof(hdr10->data_length); 3417 } else { 3418 struct scsi_mode_header_6 *hdr6; 3419 3420 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3421 data_len = hdr6->data_length; 3422 data_len += sizeof(hdr6->data_length); 3423 } 3424 3425 /* 3426 * Complain if there is more mode data available than we 3427 * allocated space for. This could potentially happen if 3428 * we miscalculated the page length for some reason, if the 3429 * drive returns multiple block descriptors, or if it sets 3430 * the data length incorrectly. 3431 */ 3432 if (data_len > data->alloc_len) { 3433 xpt_print(periph->path, "allocated modepage %d length " 3434 "%d < returned length %d\n", page, data->alloc_len, 3435 data_len); 3436 error = ENOSPC; 3437 } 3438 } 3439 return (error); 3440 } 3441 3442 /* 3443 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3444 * routine. See comments in cd6byteworkaround() for details. 3445 */ 3446 static int 3447 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3448 { 3449 struct ccb_scsiio *csio; 3450 struct cd_softc *softc; 3451 union ccb *ccb; 3452 int cdb_size, param_len; 3453 int error; 3454 3455 softc = (struct cd_softc *)periph->softc; 3456 3457 ccb = cdgetccb(periph, /* priority */ 1); 3458 3459 csio = &ccb->csio; 3460 3461 error = 0; 3462 3463 /* 3464 * If the data is formatted for the 10 byte version of the mode 3465 * select parameter list, we need to use the 10 byte CDB. 3466 * Otherwise, we use whatever the stored minimum command size. 3467 */ 3468 if (data->cdb_size == 10) 3469 cdb_size = data->cdb_size; 3470 else 3471 cdb_size = softc->minimum_command_size; 3472 3473 if (cdb_size >= 10) { 3474 struct scsi_mode_header_10 *mode_header; 3475 u_int32_t data_len; 3476 3477 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3478 3479 data_len = scsi_2btoul(mode_header->data_length); 3480 3481 scsi_ulto2b(0, mode_header->data_length); 3482 /* 3483 * SONY drives do not allow a mode select with a medium_type 3484 * value that has just been returned by a mode sense; use a 3485 * medium_type of 0 (Default) instead. 3486 */ 3487 mode_header->medium_type = 0; 3488 3489 /* 3490 * Pass back whatever the drive passed to us, plus the size 3491 * of the data length field. 3492 */ 3493 param_len = data_len + sizeof(mode_header->data_length); 3494 3495 } else { 3496 struct scsi_mode_header_6 *mode_header; 3497 3498 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3499 3500 param_len = mode_header->data_length + 1; 3501 3502 mode_header->data_length = 0; 3503 /* 3504 * SONY drives do not allow a mode select with a medium_type 3505 * value that has just been returned by a mode sense; use a 3506 * medium_type of 0 (Default) instead. 3507 */ 3508 mode_header->medium_type = 0; 3509 } 3510 3511 /* Don't say we've got more room than we actually allocated */ 3512 param_len = min(param_len, data->alloc_len); 3513 3514 scsi_mode_select_len(csio, 3515 /* retries */ 1, 3516 /* cbfcnp */ cddone, 3517 /* tag_action */ MSG_SIMPLE_Q_TAG, 3518 /* scsi_page_fmt */ 1, 3519 /* save_pages */ 0, 3520 /* param_buf */ data->mode_buf, 3521 /* param_len */ param_len, 3522 /* minimum_cmd_size */ cdb_size, 3523 /* sense_len */ SSD_FULL_SIZE, 3524 /* timeout */ 50000); 3525 3526 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3527 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3528 3529 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3530 /*sense_flags*/SF_RETRY_UA); 3531 3532 xpt_release_ccb(ccb); 3533 3534 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3535 3536 return (error); 3537 } 3538 3539 3540 3541 static int 3542 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3543 { 3544 struct ccb_scsiio *csio; 3545 union ccb *ccb; 3546 int error; 3547 u_int8_t cdb_len; 3548 3549 error = 0; 3550 ccb = cdgetccb(periph, /* priority */ 1); 3551 csio = &ccb->csio; 3552 /* 3553 * Use the smallest possible command to perform the operation. 3554 */ 3555 if ((len & 0xffff0000) == 0) { 3556 /* 3557 * We can fit in a 10 byte cdb. 3558 */ 3559 struct scsi_play_10 *scsi_cmd; 3560 3561 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3562 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3563 scsi_cmd->op_code = PLAY_10; 3564 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3565 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3566 cdb_len = sizeof(*scsi_cmd); 3567 } else { 3568 struct scsi_play_12 *scsi_cmd; 3569 3570 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3571 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3572 scsi_cmd->op_code = PLAY_12; 3573 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3574 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3575 cdb_len = sizeof(*scsi_cmd); 3576 } 3577 cam_fill_csio(csio, 3578 /*retries*/2, 3579 cddone, 3580 /*flags*/CAM_DIR_NONE, 3581 MSG_SIMPLE_Q_TAG, 3582 /*dataptr*/NULL, 3583 /*datalen*/0, 3584 /*sense_len*/SSD_FULL_SIZE, 3585 cdb_len, 3586 /*timeout*/50 * 1000); 3587 3588 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3589 /*sense_flags*/SF_RETRY_UA); 3590 3591 xpt_release_ccb(ccb); 3592 3593 return(error); 3594 } 3595 3596 static int 3597 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3598 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3599 { 3600 struct scsi_play_msf *scsi_cmd; 3601 struct ccb_scsiio *csio; 3602 union ccb *ccb; 3603 int error; 3604 3605 error = 0; 3606 3607 ccb = cdgetccb(periph, /* priority */ 1); 3608 3609 csio = &ccb->csio; 3610 3611 cam_fill_csio(csio, 3612 /* retries */ 1, 3613 /* cbfcnp */ cddone, 3614 /* flags */ CAM_DIR_NONE, 3615 /* tag_action */ MSG_SIMPLE_Q_TAG, 3616 /* data_ptr */ NULL, 3617 /* dxfer_len */ 0, 3618 /* sense_len */ SSD_FULL_SIZE, 3619 sizeof(struct scsi_play_msf), 3620 /* timeout */ 50000); 3621 3622 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3623 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3624 3625 scsi_cmd->op_code = PLAY_MSF; 3626 scsi_cmd->start_m = startm; 3627 scsi_cmd->start_s = starts; 3628 scsi_cmd->start_f = startf; 3629 scsi_cmd->end_m = endm; 3630 scsi_cmd->end_s = ends; 3631 scsi_cmd->end_f = endf; 3632 3633 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3634 /*sense_flags*/SF_RETRY_UA); 3635 3636 xpt_release_ccb(ccb); 3637 3638 return(error); 3639 } 3640 3641 3642 static int 3643 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3644 u_int32_t etrack, u_int32_t eindex) 3645 { 3646 struct scsi_play_track *scsi_cmd; 3647 struct ccb_scsiio *csio; 3648 union ccb *ccb; 3649 int error; 3650 3651 error = 0; 3652 3653 ccb = cdgetccb(periph, /* priority */ 1); 3654 3655 csio = &ccb->csio; 3656 3657 cam_fill_csio(csio, 3658 /* retries */ 1, 3659 /* cbfcnp */ cddone, 3660 /* flags */ CAM_DIR_NONE, 3661 /* tag_action */ MSG_SIMPLE_Q_TAG, 3662 /* data_ptr */ NULL, 3663 /* dxfer_len */ 0, 3664 /* sense_len */ SSD_FULL_SIZE, 3665 sizeof(struct scsi_play_track), 3666 /* timeout */ 50000); 3667 3668 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3669 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3670 3671 scsi_cmd->op_code = PLAY_TRACK; 3672 scsi_cmd->start_track = strack; 3673 scsi_cmd->start_index = sindex; 3674 scsi_cmd->end_track = etrack; 3675 scsi_cmd->end_index = eindex; 3676 3677 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3678 /*sense_flags*/SF_RETRY_UA); 3679 3680 xpt_release_ccb(ccb); 3681 3682 return(error); 3683 } 3684 3685 static int 3686 cdpause(struct cam_periph *periph, u_int32_t go) 3687 { 3688 struct scsi_pause *scsi_cmd; 3689 struct ccb_scsiio *csio; 3690 union ccb *ccb; 3691 int error; 3692 3693 error = 0; 3694 3695 ccb = cdgetccb(periph, /* priority */ 1); 3696 3697 csio = &ccb->csio; 3698 3699 cam_fill_csio(csio, 3700 /* retries */ 1, 3701 /* cbfcnp */ cddone, 3702 /* flags */ CAM_DIR_NONE, 3703 /* tag_action */ MSG_SIMPLE_Q_TAG, 3704 /* data_ptr */ NULL, 3705 /* dxfer_len */ 0, 3706 /* sense_len */ SSD_FULL_SIZE, 3707 sizeof(struct scsi_pause), 3708 /* timeout */ 50000); 3709 3710 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3711 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3712 3713 scsi_cmd->op_code = PAUSE; 3714 scsi_cmd->resume = go; 3715 3716 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3717 /*sense_flags*/SF_RETRY_UA); 3718 3719 xpt_release_ccb(ccb); 3720 3721 return(error); 3722 } 3723 3724 static int 3725 cdstartunit(struct cam_periph *periph, int load) 3726 { 3727 union ccb *ccb; 3728 int error; 3729 3730 error = 0; 3731 3732 ccb = cdgetccb(periph, /* priority */ 1); 3733 3734 scsi_start_stop(&ccb->csio, 3735 /* retries */ 1, 3736 /* cbfcnp */ cddone, 3737 /* tag_action */ MSG_SIMPLE_Q_TAG, 3738 /* start */ TRUE, 3739 /* load_eject */ load, 3740 /* immediate */ FALSE, 3741 /* sense_len */ SSD_FULL_SIZE, 3742 /* timeout */ 50000); 3743 3744 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3745 /*sense_flags*/SF_RETRY_UA); 3746 3747 xpt_release_ccb(ccb); 3748 3749 return(error); 3750 } 3751 3752 static int 3753 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3754 { 3755 union ccb *ccb; 3756 int error; 3757 3758 error = 0; 3759 3760 ccb = cdgetccb(periph, /* priority */ 1); 3761 3762 scsi_start_stop(&ccb->csio, 3763 /* retries */ 1, 3764 /* cbfcnp */ cddone, 3765 /* tag_action */ MSG_SIMPLE_Q_TAG, 3766 /* start */ FALSE, 3767 /* load_eject */ eject, 3768 /* immediate */ FALSE, 3769 /* sense_len */ SSD_FULL_SIZE, 3770 /* timeout */ 50000); 3771 3772 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3773 /*sense_flags*/SF_RETRY_UA); 3774 3775 xpt_release_ccb(ccb); 3776 3777 return(error); 3778 } 3779 3780 static int 3781 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3782 { 3783 struct scsi_set_speed *scsi_cmd; 3784 struct ccb_scsiio *csio; 3785 union ccb *ccb; 3786 int error; 3787 3788 error = 0; 3789 ccb = cdgetccb(periph, /* priority */ 1); 3790 csio = &ccb->csio; 3791 3792 /* Preserve old behavior: units in multiples of CDROM speed */ 3793 if (rdspeed < 177) 3794 rdspeed *= 177; 3795 if (wrspeed < 177) 3796 wrspeed *= 177; 3797 3798 cam_fill_csio(csio, 3799 /* retries */ 1, 3800 /* cbfcnp */ cddone, 3801 /* flags */ CAM_DIR_NONE, 3802 /* tag_action */ MSG_SIMPLE_Q_TAG, 3803 /* data_ptr */ NULL, 3804 /* dxfer_len */ 0, 3805 /* sense_len */ SSD_FULL_SIZE, 3806 sizeof(struct scsi_set_speed), 3807 /* timeout */ 50000); 3808 3809 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3810 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3811 3812 scsi_cmd->opcode = SET_CD_SPEED; 3813 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3814 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3815 3816 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3817 /*sense_flags*/SF_RETRY_UA); 3818 3819 xpt_release_ccb(ccb); 3820 3821 return(error); 3822 } 3823 3824 static int 3825 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3826 { 3827 union ccb *ccb; 3828 u_int8_t *databuf; 3829 u_int32_t lba; 3830 int error; 3831 int length; 3832 3833 error = 0; 3834 databuf = NULL; 3835 lba = 0; 3836 3837 ccb = cdgetccb(periph, /* priority */ 1); 3838 3839 switch (authinfo->format) { 3840 case DVD_REPORT_AGID: 3841 length = sizeof(struct scsi_report_key_data_agid); 3842 break; 3843 case DVD_REPORT_CHALLENGE: 3844 length = sizeof(struct scsi_report_key_data_challenge); 3845 break; 3846 case DVD_REPORT_KEY1: 3847 length = sizeof(struct scsi_report_key_data_key1_key2); 3848 break; 3849 case DVD_REPORT_TITLE_KEY: 3850 length = sizeof(struct scsi_report_key_data_title); 3851 /* The lba field is only set for the title key */ 3852 lba = authinfo->lba; 3853 break; 3854 case DVD_REPORT_ASF: 3855 length = sizeof(struct scsi_report_key_data_asf); 3856 break; 3857 case DVD_REPORT_RPC: 3858 length = sizeof(struct scsi_report_key_data_rpc); 3859 break; 3860 case DVD_INVALIDATE_AGID: 3861 length = 0; 3862 break; 3863 default: 3864 error = EINVAL; 3865 goto bailout; 3866 break; /* NOTREACHED */ 3867 } 3868 3869 if (length != 0) { 3870 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3871 } else { 3872 databuf = NULL; 3873 } 3874 3875 3876 scsi_report_key(&ccb->csio, 3877 /* retries */ 1, 3878 /* cbfcnp */ cddone, 3879 /* tag_action */ MSG_SIMPLE_Q_TAG, 3880 /* lba */ lba, 3881 /* agid */ authinfo->agid, 3882 /* key_format */ authinfo->format, 3883 /* data_ptr */ databuf, 3884 /* dxfer_len */ length, 3885 /* sense_len */ SSD_FULL_SIZE, 3886 /* timeout */ 50000); 3887 3888 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3889 /*sense_flags*/SF_RETRY_UA); 3890 3891 if (error != 0) 3892 goto bailout; 3893 3894 if (ccb->csio.resid != 0) { 3895 xpt_print(periph->path, "warning, residual for report key " 3896 "command is %d\n", ccb->csio.resid); 3897 } 3898 3899 switch(authinfo->format) { 3900 case DVD_REPORT_AGID: { 3901 struct scsi_report_key_data_agid *agid_data; 3902 3903 agid_data = (struct scsi_report_key_data_agid *)databuf; 3904 3905 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3906 RKD_AGID_SHIFT; 3907 break; 3908 } 3909 case DVD_REPORT_CHALLENGE: { 3910 struct scsi_report_key_data_challenge *chal_data; 3911 3912 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3913 3914 bcopy(chal_data->challenge_key, authinfo->keychal, 3915 min(sizeof(chal_data->challenge_key), 3916 sizeof(authinfo->keychal))); 3917 break; 3918 } 3919 case DVD_REPORT_KEY1: { 3920 struct scsi_report_key_data_key1_key2 *key1_data; 3921 3922 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3923 3924 bcopy(key1_data->key1, authinfo->keychal, 3925 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3926 break; 3927 } 3928 case DVD_REPORT_TITLE_KEY: { 3929 struct scsi_report_key_data_title *title_data; 3930 3931 title_data = (struct scsi_report_key_data_title *)databuf; 3932 3933 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3934 RKD_TITLE_CPM_SHIFT; 3935 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3936 RKD_TITLE_CP_SEC_SHIFT; 3937 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3938 RKD_TITLE_CMGS_SHIFT; 3939 bcopy(title_data->title_key, authinfo->keychal, 3940 min(sizeof(title_data->title_key), 3941 sizeof(authinfo->keychal))); 3942 break; 3943 } 3944 case DVD_REPORT_ASF: { 3945 struct scsi_report_key_data_asf *asf_data; 3946 3947 asf_data = (struct scsi_report_key_data_asf *)databuf; 3948 3949 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3950 break; 3951 } 3952 case DVD_REPORT_RPC: { 3953 struct scsi_report_key_data_rpc *rpc_data; 3954 3955 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3956 3957 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3958 RKD_RPC_TYPE_SHIFT; 3959 authinfo->vend_rsts = 3960 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3961 RKD_RPC_VENDOR_RESET_SHIFT; 3962 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3963 authinfo->region = rpc_data->region_mask; 3964 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3965 break; 3966 } 3967 case DVD_INVALIDATE_AGID: 3968 break; 3969 default: 3970 /* This should be impossible, since we checked above */ 3971 error = EINVAL; 3972 goto bailout; 3973 break; /* NOTREACHED */ 3974 } 3975 bailout: 3976 if (databuf != NULL) 3977 kfree(databuf, M_DEVBUF); 3978 3979 xpt_release_ccb(ccb); 3980 3981 return(error); 3982 } 3983 3984 static int 3985 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3986 { 3987 union ccb *ccb; 3988 u_int8_t *databuf; 3989 int length; 3990 int error; 3991 3992 error = 0; 3993 databuf = NULL; 3994 3995 ccb = cdgetccb(periph, /* priority */ 1); 3996 3997 switch(authinfo->format) { 3998 case DVD_SEND_CHALLENGE: { 3999 struct scsi_report_key_data_challenge *challenge_data; 4000 4001 length = sizeof(*challenge_data); 4002 4003 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4004 4005 databuf = (u_int8_t *)challenge_data; 4006 4007 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4008 challenge_data->data_len); 4009 4010 bcopy(authinfo->keychal, challenge_data->challenge_key, 4011 min(sizeof(authinfo->keychal), 4012 sizeof(challenge_data->challenge_key))); 4013 break; 4014 } 4015 case DVD_SEND_KEY2: { 4016 struct scsi_report_key_data_key1_key2 *key2_data; 4017 4018 length = sizeof(*key2_data); 4019 4020 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4021 4022 databuf = (u_int8_t *)key2_data; 4023 4024 scsi_ulto2b(length - sizeof(key2_data->data_len), 4025 key2_data->data_len); 4026 4027 bcopy(authinfo->keychal, key2_data->key1, 4028 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4029 4030 break; 4031 } 4032 case DVD_SEND_RPC: { 4033 struct scsi_send_key_data_rpc *rpc_data; 4034 4035 length = sizeof(*rpc_data); 4036 4037 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4038 4039 databuf = (u_int8_t *)rpc_data; 4040 4041 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4042 rpc_data->data_len); 4043 4044 rpc_data->region_code = authinfo->region; 4045 break; 4046 } 4047 default: 4048 error = EINVAL; 4049 goto bailout; 4050 break; /* NOTREACHED */ 4051 } 4052 4053 scsi_send_key(&ccb->csio, 4054 /* retries */ 1, 4055 /* cbfcnp */ cddone, 4056 /* tag_action */ MSG_SIMPLE_Q_TAG, 4057 /* agid */ authinfo->agid, 4058 /* key_format */ authinfo->format, 4059 /* data_ptr */ databuf, 4060 /* dxfer_len */ length, 4061 /* sense_len */ SSD_FULL_SIZE, 4062 /* timeout */ 50000); 4063 4064 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4065 /*sense_flags*/SF_RETRY_UA); 4066 4067 bailout: 4068 4069 if (databuf != NULL) 4070 kfree(databuf, M_DEVBUF); 4071 4072 xpt_release_ccb(ccb); 4073 4074 return(error); 4075 } 4076 4077 static int 4078 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4079 { 4080 union ccb *ccb; 4081 u_int8_t *databuf; 4082 u_int32_t address; 4083 int error; 4084 int length; 4085 4086 error = 0; 4087 databuf = NULL; 4088 /* The address is reserved for many of the formats */ 4089 address = 0; 4090 4091 ccb = cdgetccb(periph, /* priority */ 1); 4092 4093 switch(dvdstruct->format) { 4094 case DVD_STRUCT_PHYSICAL: 4095 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4096 break; 4097 case DVD_STRUCT_COPYRIGHT: 4098 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4099 break; 4100 case DVD_STRUCT_DISCKEY: 4101 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4102 break; 4103 case DVD_STRUCT_BCA: 4104 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4105 break; 4106 case DVD_STRUCT_MANUFACT: 4107 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4108 break; 4109 case DVD_STRUCT_CMI: 4110 error = ENODEV; 4111 goto bailout; 4112 #ifdef notyet 4113 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4114 address = dvdstruct->address; 4115 #endif 4116 break; /* NOTREACHED */ 4117 case DVD_STRUCT_PROTDISCID: 4118 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4119 break; 4120 case DVD_STRUCT_DISCKEYBLOCK: 4121 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4122 break; 4123 case DVD_STRUCT_DDS: 4124 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4125 break; 4126 case DVD_STRUCT_MEDIUM_STAT: 4127 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4128 break; 4129 case DVD_STRUCT_SPARE_AREA: 4130 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4131 break; 4132 case DVD_STRUCT_RMD_LAST: 4133 error = ENODEV; 4134 goto bailout; 4135 #ifdef notyet 4136 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4137 address = dvdstruct->address; 4138 #endif 4139 break; /* NOTREACHED */ 4140 case DVD_STRUCT_RMD_RMA: 4141 error = ENODEV; 4142 goto bailout; 4143 #ifdef notyet 4144 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4145 address = dvdstruct->address; 4146 #endif 4147 break; /* NOTREACHED */ 4148 case DVD_STRUCT_PRERECORDED: 4149 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4150 break; 4151 case DVD_STRUCT_UNIQUEID: 4152 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4153 break; 4154 case DVD_STRUCT_DCB: 4155 error = ENODEV; 4156 goto bailout; 4157 #ifdef notyet 4158 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4159 address = dvdstruct->address; 4160 #endif 4161 break; /* NOTREACHED */ 4162 case DVD_STRUCT_LIST: 4163 /* 4164 * This is the maximum allocation length for the READ DVD 4165 * STRUCTURE command. There's nothing in the MMC3 spec 4166 * that indicates a limit in the amount of data that can 4167 * be returned from this call, other than the limits 4168 * imposed by the 2-byte length variables. 4169 */ 4170 length = 65535; 4171 break; 4172 default: 4173 error = EINVAL; 4174 goto bailout; 4175 break; /* NOTREACHED */ 4176 } 4177 4178 if (length != 0) { 4179 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4180 } else { 4181 databuf = NULL; 4182 } 4183 4184 scsi_read_dvd_structure(&ccb->csio, 4185 /* retries */ 1, 4186 /* cbfcnp */ cddone, 4187 /* tag_action */ MSG_SIMPLE_Q_TAG, 4188 /* lba */ address, 4189 /* layer_number */ dvdstruct->layer_num, 4190 /* key_format */ dvdstruct->format, 4191 /* agid */ dvdstruct->agid, 4192 /* data_ptr */ databuf, 4193 /* dxfer_len */ length, 4194 /* sense_len */ SSD_FULL_SIZE, 4195 /* timeout */ 50000); 4196 4197 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4198 /*sense_flags*/SF_RETRY_UA); 4199 4200 if (error != 0) 4201 goto bailout; 4202 4203 switch(dvdstruct->format) { 4204 case DVD_STRUCT_PHYSICAL: { 4205 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4206 struct dvd_layer *outlayer; 4207 struct scsi_read_dvd_struct_data_physical *phys_data; 4208 4209 phys_data = 4210 (struct scsi_read_dvd_struct_data_physical *)databuf; 4211 inlayer = &phys_data->layer_desc; 4212 outlayer = (struct dvd_layer *)&dvdstruct->data; 4213 4214 dvdstruct->length = sizeof(*inlayer); 4215 4216 outlayer->book_type = (inlayer->book_type_version & 4217 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4218 outlayer->book_version = (inlayer->book_type_version & 4219 RDSD_BOOK_VERSION_MASK); 4220 outlayer->disc_size = (inlayer->disc_size_max_rate & 4221 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4222 outlayer->max_rate = (inlayer->disc_size_max_rate & 4223 RDSD_MAX_RATE_MASK); 4224 outlayer->nlayers = (inlayer->layer_info & 4225 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4226 outlayer->track_path = (inlayer->layer_info & 4227 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4228 outlayer->layer_type = (inlayer->layer_info & 4229 RDSD_LAYER_TYPE_MASK); 4230 outlayer->linear_density = (inlayer->density & 4231 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4232 outlayer->track_density = (inlayer->density & 4233 RDSD_TRACK_DENSITY_MASK); 4234 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4235 RDSD_BCA_SHIFT; 4236 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4237 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4238 outlayer->end_sector_l0 = 4239 scsi_3btoul(inlayer->end_sector_layer0); 4240 break; 4241 } 4242 case DVD_STRUCT_COPYRIGHT: { 4243 struct scsi_read_dvd_struct_data_copyright *copy_data; 4244 4245 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4246 databuf; 4247 4248 dvdstruct->cpst = copy_data->cps_type; 4249 dvdstruct->rmi = copy_data->region_info; 4250 dvdstruct->length = 0; 4251 4252 break; 4253 } 4254 default: 4255 /* 4256 * Tell the user what the overall length is, no matter 4257 * what we can actually fit in the data buffer. 4258 */ 4259 dvdstruct->length = length - ccb->csio.resid - 4260 sizeof(struct scsi_read_dvd_struct_data_header); 4261 4262 /* 4263 * But only actually copy out the smaller of what we read 4264 * in or what the structure can take. 4265 */ 4266 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4267 dvdstruct->data, 4268 min(sizeof(dvdstruct->data), dvdstruct->length)); 4269 break; 4270 } 4271 bailout: 4272 4273 if (databuf != NULL) 4274 kfree(databuf, M_DEVBUF); 4275 4276 xpt_release_ccb(ccb); 4277 4278 return(error); 4279 } 4280 4281 void 4282 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4283 void (*cbfcnp)(struct cam_periph *, union ccb *), 4284 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4285 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4286 u_int8_t sense_len, u_int32_t timeout) 4287 { 4288 struct scsi_report_key *scsi_cmd; 4289 4290 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4291 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4292 scsi_cmd->opcode = REPORT_KEY; 4293 scsi_ulto4b(lba, scsi_cmd->lba); 4294 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4295 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4296 (key_format & RK_KF_KEYFORMAT_MASK); 4297 4298 cam_fill_csio(csio, 4299 retries, 4300 cbfcnp, 4301 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4302 tag_action, 4303 /*data_ptr*/ data_ptr, 4304 /*dxfer_len*/ dxfer_len, 4305 sense_len, 4306 sizeof(*scsi_cmd), 4307 timeout); 4308 } 4309 4310 void 4311 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4312 void (*cbfcnp)(struct cam_periph *, union ccb *), 4313 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4314 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4315 u_int32_t timeout) 4316 { 4317 struct scsi_send_key *scsi_cmd; 4318 4319 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4320 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4321 scsi_cmd->opcode = SEND_KEY; 4322 4323 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4324 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4325 (key_format & RK_KF_KEYFORMAT_MASK); 4326 4327 cam_fill_csio(csio, 4328 retries, 4329 cbfcnp, 4330 /*flags*/ CAM_DIR_OUT, 4331 tag_action, 4332 /*data_ptr*/ data_ptr, 4333 /*dxfer_len*/ dxfer_len, 4334 sense_len, 4335 sizeof(*scsi_cmd), 4336 timeout); 4337 } 4338 4339 4340 void 4341 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4342 void (*cbfcnp)(struct cam_periph *, union ccb *), 4343 u_int8_t tag_action, u_int32_t address, 4344 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4345 u_int8_t *data_ptr, u_int32_t dxfer_len, 4346 u_int8_t sense_len, u_int32_t timeout) 4347 { 4348 struct scsi_read_dvd_structure *scsi_cmd; 4349 4350 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4351 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4352 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4353 4354 scsi_ulto4b(address, scsi_cmd->address); 4355 scsi_cmd->layer_number = layer_number; 4356 scsi_cmd->format = format; 4357 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4358 /* The AGID is the top two bits of this byte */ 4359 scsi_cmd->agid = agid << 6; 4360 4361 cam_fill_csio(csio, 4362 retries, 4363 cbfcnp, 4364 /*flags*/ CAM_DIR_IN, 4365 tag_action, 4366 /*data_ptr*/ data_ptr, 4367 /*dxfer_len*/ dxfer_len, 4368 sense_len, 4369 sizeof(*scsi_cmd), 4370 timeout); 4371 } 4372