1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $ 28 */ 29 /* 30 * Portions of this driver taken from the original FreeBSD cd driver. 31 * Written by Julian Elischer (julian@tfs.com) 32 * for TRW Financial Systems for use under the MACH(2.5) operating system. 33 * 34 * TRW Financial Systems, in accordance with their agreement with Carnegie 35 * Mellon University, makes this software available to CMU to distribute 36 * or use in any manner that they see fit as long as this message is kept with 37 * the software. For this reason TFS also grants any other persons or 38 * organisations permission to use or modify this software. 39 * 40 * TFS supplies this software to be publicly redistributed 41 * on the understanding that TFS is not responsible for the correct 42 * functioning of this software in any circumstances. 43 * 44 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 45 * 46 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 47 */ 48 49 #include "opt_cd.h" 50 51 #include <sys/param.h> 52 #include <sys/bootmaj.h> 53 #include <sys/systm.h> 54 #include <sys/kernel.h> 55 #include <sys/buf.h> 56 #include <sys/conf.h> 57 #include <sys/disk.h> 58 #include <sys/dtype.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <sys/proc.h> 67 #include <sys/camlib.h> 68 #include <sys/udev.h> 69 70 #include <sys/buf2.h> 71 #include <sys/thread2.h> 72 #include <sys/mplock2.h> 73 74 #include "../cam.h" 75 #include "../cam_ccb.h" 76 #include "../cam_extend.h" 77 #include "../cam_periph.h" 78 #include "../cam_xpt_periph.h" 79 #include "../cam_queue.h" 80 #include "../cam_sim.h" 81 82 #include "scsi_message.h" 83 #include "scsi_da.h" 84 #include "scsi_cd.h" 85 86 #define LEADOUT 0xaa /* leadout toc entry */ 87 88 struct cd_params { 89 u_int32_t blksize; 90 u_long disksize; 91 }; 92 93 typedef enum { 94 CD_Q_NONE = 0x00, 95 CD_Q_NO_TOUCH = 0x01, 96 CD_Q_BCD_TRACKS = 0x02, 97 CD_Q_NO_CHANGER = 0x04, 98 CD_Q_CHANGER = 0x08, 99 CD_Q_10_BYTE_ONLY = 0x10 100 } cd_quirks; 101 102 typedef enum { 103 CD_FLAG_INVALID = 0x0001, 104 CD_FLAG_NEW_DISC = 0x0002, 105 CD_FLAG_DISC_LOCKED = 0x0004, 106 CD_FLAG_DISC_REMOVABLE = 0x0008, 107 CD_FLAG_TAGGED_QUEUING = 0x0010, 108 CD_FLAG_CHANGER = 0x0040, 109 CD_FLAG_ACTIVE = 0x0080, 110 CD_FLAG_SCHED_ON_COMP = 0x0100, 111 CD_FLAG_RETRY_UA = 0x0200, 112 CD_FLAG_VALID_MEDIA = 0x0400, 113 CD_FLAG_VALID_TOC = 0x0800, 114 CD_FLAG_SCTX_INIT = 0x1000, 115 CD_FLAG_OPEN = 0x2000 116 } cd_flags; 117 118 typedef enum { 119 CD_CCB_PROBE = 0x01, 120 CD_CCB_BUFFER_IO = 0x02, 121 CD_CCB_WAITING = 0x03, 122 CD_CCB_TYPE_MASK = 0x0F, 123 CD_CCB_RETRY_UA = 0x10 124 } cd_ccb_state; 125 126 typedef enum { 127 CHANGER_TIMEOUT_SCHED = 0x01, 128 CHANGER_SHORT_TMOUT_SCHED = 0x02, 129 CHANGER_MANUAL_CALL = 0x04, 130 CHANGER_NEED_TIMEOUT = 0x08 131 } cd_changer_flags; 132 133 #define ccb_state ppriv_field0 134 #define ccb_bio ppriv_ptr1 135 136 struct cd_tocdata { 137 struct ioc_toc_header header; 138 struct cd_toc_entry entries[100]; 139 }; 140 141 struct cd_toc_single { 142 struct ioc_toc_header header; 143 struct cd_toc_entry entry; 144 }; 145 146 typedef enum { 147 CD_STATE_PROBE, 148 CD_STATE_NORMAL 149 } cd_state; 150 151 struct cd_softc { 152 cam_pinfo pinfo; 153 cd_state state; 154 volatile cd_flags flags; 155 struct bio_queue_head bio_queue; 156 LIST_HEAD(, ccb_hdr) pending_ccbs; 157 struct cd_params params; 158 struct disk disk; 159 union ccb saved_ccb; 160 cd_quirks quirks; 161 struct devstat device_stats; 162 STAILQ_ENTRY(cd_softc) changer_links; 163 struct cdchanger *changer; 164 int bufs_left; 165 struct cam_periph *periph; 166 int minimum_command_size; 167 int outstanding_cmds; 168 struct task sysctl_task; 169 struct sysctl_ctx_list sysctl_ctx; 170 struct sysctl_oid *sysctl_tree; 171 STAILQ_HEAD(, cd_mode_params) mode_queue; 172 struct cd_tocdata toc; 173 }; 174 175 struct cd_page_sizes { 176 int page; 177 int page_size; 178 }; 179 180 static struct cd_page_sizes cd_page_size_table[] = 181 { 182 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 183 }; 184 185 struct cd_quirk_entry { 186 struct scsi_inquiry_pattern inq_pat; 187 cd_quirks quirks; 188 }; 189 190 /* 191 * The changer quirk entries aren't strictly necessary. Basically, what 192 * they do is tell cdregister() up front that a device is a changer. 193 * Otherwise, it will figure that fact out once it sees a LUN on the device 194 * that is greater than 0. If it is known up front that a device is a changer, 195 * all I/O to the device will go through the changer scheduling routines, as 196 * opposed to the "normal" CD code. 197 * 198 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 199 * your device hangs when it gets a 10 byte command. Adding a quirk just 200 * to get rid of the informative diagnostic message is not acceptable. All 201 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 202 * referenced in a comment along with the quirk) , and must be approved by 203 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 204 * be removed until the submitter can explain why they are needed. 205 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 206 * when the CAM_NEW_TRAN_CODE work is done. 207 */ 208 static struct cd_quirk_entry cd_quirk_table[] = 209 { 210 { 211 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 212 /*quirks*/ CD_Q_CHANGER 213 }, 214 { 215 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 216 "*"}, /* quirks */ CD_Q_CHANGER 217 }, 218 { 219 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 220 /* quirks */ CD_Q_CHANGER 221 }, 222 { 223 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 224 /* quirks */ CD_Q_BCD_TRACKS 225 } 226 }; 227 228 static d_open_t cdopen; 229 static d_close_t cdclose; 230 static d_ioctl_t cdioctl; 231 static d_strategy_t cdstrategy; 232 233 static periph_init_t cdinit; 234 static periph_ctor_t cdregister; 235 static periph_dtor_t cdcleanup; 236 static periph_start_t cdstart; 237 static periph_oninv_t cdoninvalidate; 238 static void cdasync(void *callback_arg, u_int32_t code, 239 struct cam_path *path, void *arg); 240 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 241 static void cdshorttimeout(void *arg); 242 static void cdschedule(struct cam_periph *periph, int priority); 243 static void cdrunchangerqueue(void *arg); 244 static void cdchangerschedule(struct cd_softc *softc); 245 static int cdrunccb(union ccb *ccb, 246 int (*error_routine)(union ccb *ccb, 247 u_int32_t cam_flags, 248 u_int32_t sense_flags), 249 u_int32_t cam_flags, u_int32_t sense_flags); 250 static union ccb *cdgetccb(struct cam_periph *periph, 251 u_int32_t priority); 252 static void cddone(struct cam_periph *periph, 253 union ccb *start_ccb); 254 static int cderror(union ccb *ccb, u_int32_t cam_flags, 255 u_int32_t sense_flags); 256 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 257 static int cdgetpagesize(int page_num); 258 static void cdprevent(struct cam_periph *periph, int action); 259 static int cdcheckmedia(struct cam_periph *periph); 260 static int cdsize(struct cam_periph *periph, u_int32_t *size); 261 static int cd6byteworkaround(union ccb *ccb); 262 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 263 u_int32_t start, u_int8_t *data, 264 u_int32_t len, u_int32_t sense_flags); 265 static int cdgetmode(struct cam_periph *periph, 266 struct cd_mode_params *data, u_int32_t page); 267 static int cdsetmode(struct cam_periph *periph, 268 struct cd_mode_params *data); 269 static int cdplay(struct cam_periph *periph, u_int32_t blk, 270 u_int32_t len); 271 static int cdreadsubchannel(struct cam_periph *periph, 272 u_int32_t mode, u_int32_t format, 273 int track, 274 struct cd_sub_channel_info *data, 275 u_int32_t len); 276 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 277 u_int32_t starts, u_int32_t startf, 278 u_int32_t endm, u_int32_t ends, 279 u_int32_t endf); 280 static int cdplaytracks(struct cam_periph *periph, 281 u_int32_t strack, u_int32_t sindex, 282 u_int32_t etrack, u_int32_t eindex); 283 static int cdpause(struct cam_periph *periph, u_int32_t go); 284 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 285 static int cdstartunit(struct cam_periph *periph, int load); 286 static int cdsetspeed(struct cam_periph *periph, 287 u_int32_t rdspeed, u_int32_t wrspeed); 288 static int cdreportkey(struct cam_periph *periph, 289 struct dvd_authinfo *authinfo); 290 static int cdsendkey(struct cam_periph *periph, 291 struct dvd_authinfo *authinfo); 292 static int cdreaddvdstructure(struct cam_periph *periph, 293 struct dvd_struct *dvdstruct); 294 295 static struct periph_driver cddriver = 296 { 297 cdinit, "cd", 298 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 299 }; 300 301 PERIPHDRIVER_DECLARE(cd, cddriver); 302 303 static struct dev_ops cd_ops = { 304 { "cd", SCSICD_CDEV_MAJOR, D_DISK | D_MPSAFE }, 305 .d_open = cdopen, 306 .d_close = cdclose, 307 .d_read = physread, 308 .d_write = physwrite, 309 .d_ioctl = cdioctl, 310 .d_strategy = cdstrategy 311 }; 312 313 static struct extend_array *cdperiphs; 314 315 #ifndef CHANGER_MIN_BUSY_SECONDS 316 #define CHANGER_MIN_BUSY_SECONDS 5 317 #endif 318 #ifndef CHANGER_MAX_BUSY_SECONDS 319 #define CHANGER_MAX_BUSY_SECONDS 15 320 #endif 321 322 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 323 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 324 325 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 326 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 327 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 328 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 329 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 330 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 331 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 332 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 333 334 struct cdchanger { 335 path_id_t path_id; 336 target_id_t target_id; 337 int num_devices; 338 struct camq devq; 339 struct timeval start_time; 340 struct cd_softc *cur_device; 341 struct callout short_handle; 342 struct callout long_handle; 343 volatile cd_changer_flags flags; 344 STAILQ_ENTRY(cdchanger) changer_links; 345 STAILQ_HEAD(chdevlist, cd_softc) chluns; 346 }; 347 348 static struct lock changerq_lock; 349 static STAILQ_HEAD(changerlist, cdchanger) changerq; 350 static int num_changers; 351 352 MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 353 354 static void 355 cdinit(void) 356 { 357 cam_status status; 358 359 lockinit(&changerq_lock, "cdchangerq", 0, LK_CANRECURSE); 360 STAILQ_INIT(&changerq); 361 362 /* 363 * Create our extend array for storing the devices we attach to. 364 */ 365 cdperiphs = cam_extend_new(); 366 if (cdperiphs == NULL) { 367 kprintf("cd: Failed to alloc extend array!\n"); 368 return; 369 } 370 371 /* 372 * Install a global async callback. This callback will 373 * receive async callbacks like "new device found". 374 */ 375 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 376 377 if (status != CAM_REQ_CMP) { 378 kprintf("cd: Failed to attach master async callback " 379 "due to status 0x%x!\n", status); 380 } 381 } 382 383 static void 384 cdoninvalidate(struct cam_periph *periph) 385 { 386 struct cd_softc *softc; 387 struct buf *q_bp; 388 struct bio *q_bio; 389 390 softc = (struct cd_softc *)periph->softc; 391 392 /* 393 * De-register any async callbacks. 394 */ 395 xpt_register_async(0, cdasync, periph, periph->path); 396 397 softc->flags |= CD_FLAG_INVALID; 398 399 /* 400 * Return all queued I/O with ENXIO. 401 * XXX Handle any transactions queued to the card 402 * with XPT_ABORT_CCB. 403 */ 404 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 405 bioq_remove(&softc->bio_queue, q_bio); 406 q_bp = q_bio->bio_buf; 407 q_bp->b_resid = q_bp->b_bcount; 408 q_bp->b_error = ENXIO; 409 q_bp->b_flags |= B_ERROR; 410 biodone(q_bio); 411 } 412 413 /* 414 * If this device is part of a changer, and it was scheduled 415 * to run, remove it from the run queue since we just nuked 416 * all of its scheduled I/O. 417 */ 418 if ((softc->flags & CD_FLAG_CHANGER) 419 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 420 camq_remove(&softc->changer->devq, softc->pinfo.index); 421 422 xpt_print(periph->path, "lost device\n"); 423 } 424 425 static void 426 cdcleanup(struct cam_periph *periph) 427 { 428 struct cd_softc *softc; 429 430 softc = (struct cd_softc *)periph->softc; 431 432 xpt_print(periph->path, "removing device entry\n"); 433 434 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 435 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 436 xpt_print(periph->path, "can't remove sysctl context\n"); 437 } 438 439 /* 440 * In the queued, non-active case, the device in question 441 * has already been removed from the changer run queue. Since this 442 * device is active, we need to de-activate it, and schedule 443 * another device to run. (if there is another one to run) 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (softc->flags & CD_FLAG_ACTIVE)) { 447 448 /* 449 * The purpose of the short timeout is soley to determine 450 * whether the current device has finished or not. Well, 451 * since we're removing the active device, we know that it 452 * is finished. So, get rid of the short timeout. 453 * Otherwise, if we're in the time period before the short 454 * timeout fires, and there are no other devices in the 455 * queue to run, there won't be any other device put in the 456 * active slot. i.e., when we call cdrunchangerqueue() 457 * below, it won't do anything. Then, when the short 458 * timeout fires, it'll look at the "current device", which 459 * we are free below, and possibly panic the kernel on a 460 * bogus pointer reference. 461 * 462 * The long timeout doesn't really matter, since we 463 * decrement the qfrozen_cnt to indicate that there is 464 * nothing in the active slot now. Therefore, there won't 465 * be any bogus pointer references there. 466 */ 467 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 468 callout_stop(&softc->changer->short_handle); 469 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 470 } 471 softc->changer->devq.qfrozen_cnt--; 472 softc->changer->flags |= CHANGER_MANUAL_CALL; 473 cdrunchangerqueue(softc->changer); 474 } 475 476 /* 477 * If we're removing the last device on the changer, go ahead and 478 * remove the changer device structure. 479 */ 480 if ((softc->flags & CD_FLAG_CHANGER) 481 && (--softc->changer->num_devices == 0)) { 482 483 /* 484 * Theoretically, there shouldn't be any timeouts left, but 485 * I'm not completely sure that that will be the case. So, 486 * it won't hurt to check and see if there are any left. 487 */ 488 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 489 callout_stop(&softc->changer->long_handle); 490 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 491 } 492 493 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 494 callout_stop(&softc->changer->short_handle); 495 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 496 } 497 498 lockmgr(&changerq_lock, LK_EXCLUSIVE); 499 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 500 changer_links); 501 num_changers--; 502 lockmgr(&changerq_lock, LK_RELEASE); 503 xpt_print(periph->path, "removing changer entry\n"); 504 kfree(softc->changer, M_DEVBUF); 505 } 506 devstat_remove_entry(&softc->device_stats); 507 cam_extend_release(cdperiphs, periph->unit_number); 508 if (softc->disk.d_rawdev) { 509 cam_periph_unlock(periph); 510 disk_destroy(&softc->disk); 511 cam_periph_lock(periph); 512 } 513 kfree(softc, M_DEVBUF); 514 } 515 516 static void 517 cdasync(void *callback_arg, u_int32_t code, 518 struct cam_path *path, void *arg) 519 { 520 struct cam_periph *periph; 521 522 periph = (struct cam_periph *)callback_arg; 523 524 switch (code) { 525 case AC_FOUND_DEVICE: 526 { 527 struct ccb_getdev *cgd; 528 cam_status status; 529 530 cgd = (struct ccb_getdev *)arg; 531 if (cgd == NULL) 532 break; 533 534 if (SID_TYPE(&cgd->inq_data) != T_CDROM 535 && SID_TYPE(&cgd->inq_data) != T_WORM) 536 break; 537 538 /* 539 * Don't complain if a valid peripheral is already attached. 540 */ 541 periph = cam_periph_find(cgd->ccb_h.path, "cd"); 542 if (periph && (periph->flags & CAM_PERIPH_INVALID) == 0) 543 break; 544 545 /* 546 * Allocate a peripheral instance for 547 * this device and start the probe 548 * process. 549 */ 550 status = cam_periph_alloc(cdregister, cdoninvalidate, 551 cdcleanup, cdstart, 552 "cd", CAM_PERIPH_BIO, 553 cgd->ccb_h.path, cdasync, 554 AC_FOUND_DEVICE, cgd); 555 556 if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) { 557 kprintf("cdasync: Unable to attach new device " 558 "due to status 0x%x\n", status); 559 } 560 break; 561 } 562 case AC_SENT_BDR: 563 case AC_BUS_RESET: 564 { 565 struct cd_softc *softc; 566 struct ccb_hdr *ccbh; 567 568 softc = (struct cd_softc *)periph->softc; 569 /* 570 * Don't fail on the expected unit attention 571 * that will occur. 572 */ 573 softc->flags |= CD_FLAG_RETRY_UA; 574 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 575 ccbh->ccb_state |= CD_CCB_RETRY_UA; 576 /* FALLTHROUGH */ 577 } 578 default: 579 cam_periph_async(periph, code, path, arg); 580 break; 581 } 582 } 583 584 static void 585 cdsysctlinit(void *context, int pending) 586 { 587 struct cam_periph *periph; 588 struct cd_softc *softc; 589 char tmpstr[80], tmpstr2[80]; 590 591 get_mplock(); 592 periph = (struct cam_periph *)context; 593 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 594 rel_mplock(); 595 return; 596 } 597 598 softc = (struct cd_softc *)periph->softc; 599 ksnprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 600 ksnprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 601 602 sysctl_ctx_init(&softc->sysctl_ctx); 603 softc->flags |= CD_FLAG_SCTX_INIT; 604 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 605 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 606 tmpstr2, CTLFLAG_RD, 0, tmpstr); 607 608 if (softc->sysctl_tree == NULL) { 609 kprintf("cdsysctlinit: unable to allocate sysctl tree\n"); 610 cam_periph_release(periph); 611 rel_mplock(); 612 return; 613 } 614 615 /* 616 * Now register the sysctl handler, so the user can the value on 617 * the fly. 618 */ 619 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 620 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 621 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 622 "Minimum CDB size"); 623 624 cam_periph_release(periph); 625 rel_mplock(); 626 } 627 628 /* 629 * We have a handler function for this so we can check the values when the 630 * user sets them, instead of every time we look at them. 631 */ 632 static int 633 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 634 { 635 int error, value; 636 637 value = *(int *)arg1; 638 639 error = sysctl_handle_int(oidp, &value, 0, req); 640 641 if ((error != 0) || (req->newptr == NULL)) 642 return (error); 643 644 /* 645 * The only real values we can have here are 6 or 10. I don't 646 * really forsee having 12 be an option at any time in the future. 647 * So if the user sets something less than or equal to 6, we'll set 648 * it to 6. If he sets something greater than 6, we'll set it to 10. 649 * 650 * I suppose we could just return an error here for the wrong values, 651 * but I don't think it's necessary to do so, as long as we can 652 * determine the user's intent without too much trouble. 653 */ 654 if (value < 6) 655 value = 6; 656 else if (value > 6) 657 value = 10; 658 659 *(int *)arg1 = value; 660 661 return (0); 662 } 663 664 665 static cam_status 666 cdregister(struct cam_periph *periph, void *arg) 667 { 668 struct cd_softc *softc; 669 struct ccb_pathinq cpi; 670 struct ccb_getdev *cgd; 671 char tmpstr[80]; 672 caddr_t match; 673 674 cgd = (struct ccb_getdev *)arg; 675 if (periph == NULL) { 676 kprintf("cdregister: periph was NULL!!\n"); 677 return(CAM_REQ_CMP_ERR); 678 } 679 if (cgd == NULL) { 680 kprintf("cdregister: no getdev CCB, can't register device\n"); 681 return(CAM_REQ_CMP_ERR); 682 } 683 684 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 685 LIST_INIT(&softc->pending_ccbs); 686 STAILQ_INIT(&softc->mode_queue); 687 softc->state = CD_STATE_PROBE; 688 bioq_init(&softc->bio_queue); 689 if (SID_IS_REMOVABLE(&cgd->inq_data)) 690 softc->flags |= CD_FLAG_DISC_REMOVABLE; 691 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 692 softc->flags |= CD_FLAG_TAGGED_QUEUING; 693 694 periph->softc = softc; 695 softc->periph = periph; 696 697 cam_extend_set(cdperiphs, periph->unit_number, periph); 698 699 /* 700 * See if this device has any quirks. 701 */ 702 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 703 (caddr_t)cd_quirk_table, 704 NELEM(cd_quirk_table), 705 sizeof(*cd_quirk_table), scsi_inquiry_match); 706 707 if (match != NULL) 708 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 709 else 710 softc->quirks = CD_Q_NONE; 711 712 /* Check if the SIM does not want 6 byte commands */ 713 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 714 cpi.ccb_h.func_code = XPT_PATH_INQ; 715 xpt_action((union ccb *)&cpi); 716 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 717 softc->quirks |= CD_Q_10_BYTE_ONLY; 718 719 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 720 721 /* The default is 6 byte commands, unless quirked otherwise */ 722 if (softc->quirks & CD_Q_10_BYTE_ONLY) 723 softc->minimum_command_size = 10; 724 else 725 softc->minimum_command_size = 6; 726 727 /* 728 * Load the user's default, if any. 729 */ 730 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 731 periph->unit_number); 732 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 733 734 /* 6 and 10 are the only permissible values here. */ 735 if (softc->minimum_command_size < 6) 736 softc->minimum_command_size = 6; 737 else if (softc->minimum_command_size > 6) 738 softc->minimum_command_size = 10; 739 740 /* 741 * We need to register the statistics structure for this device, 742 * but we don't have the blocksize yet for it. So, we register 743 * the structure and indicate that we don't have the blocksize 744 * yet. Unlike other SCSI peripheral drivers, we explicitly set 745 * the device type here to be CDROM, rather than just ORing in 746 * the device type. This is because this driver can attach to either 747 * CDROM or WORM devices, and we want this peripheral driver to 748 * show up in the devstat list as a CD peripheral driver, not a 749 * WORM peripheral driver. WORM drives will also have the WORM 750 * driver attached to them. 751 */ 752 cam_periph_unlock(periph); 753 devstat_add_entry(&softc->device_stats, "cd", 754 periph->unit_number, 0, 755 DEVSTAT_BS_UNAVAILABLE, 756 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 757 DEVSTAT_PRIORITY_CD); 758 disk_create(periph->unit_number, &softc->disk, &cd_ops); 759 disk_setdisktype(&softc->disk, "optical"); 760 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 761 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 762 DSO_COMPATPARTA; 763 cam_periph_lock(periph); 764 765 /* 766 * Add an async callback so that we get 767 * notified if this device goes away. 768 */ 769 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 770 cdasync, periph, periph->path); 771 772 /* 773 * If the target lun is greater than 0, we most likely have a CD 774 * changer device. Check the quirk entries as well, though, just 775 * in case someone has a CD tower with one lun per drive or 776 * something like that. Also, if we know up front that a 777 * particular device is a changer, we can mark it as such starting 778 * with lun 0, instead of lun 1. It shouldn't be necessary to have 779 * a quirk entry to define something as a changer, however. 780 */ 781 if (((cgd->ccb_h.target_lun > 0) 782 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 783 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 784 struct cdchanger *nchanger; 785 struct cam_periph *nperiph; 786 struct cam_path *path; 787 cam_status status; 788 int found; 789 790 /* Set the changer flag in the current device's softc */ 791 softc->flags |= CD_FLAG_CHANGER; 792 793 /* 794 * Now, look around for an existing changer device with the 795 * same path and target ID as the current device. 796 */ 797 lockmgr(&changerq_lock, LK_EXCLUSIVE); 798 for (found = 0, 799 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 800 nchanger != NULL; 801 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 802 if ((nchanger->path_id == cgd->ccb_h.path_id) 803 && (nchanger->target_id == cgd->ccb_h.target_id)) { 804 found = 1; 805 break; 806 } 807 } 808 lockmgr(&changerq_lock, LK_RELEASE); 809 810 /* 811 * If we found a matching entry, just add this device to 812 * the list of devices on this changer. 813 */ 814 if (found == 1) { 815 struct chdevlist *chlunhead; 816 817 chlunhead = &nchanger->chluns; 818 819 /* 820 * XXX KDM look at consolidating this code with the 821 * code below in a separate function. 822 */ 823 824 /* 825 * Create a path with lun id 0, and see if we can 826 * find a matching device 827 */ 828 status = xpt_create_path(&path, /*periph*/ periph, 829 cgd->ccb_h.path_id, 830 cgd->ccb_h.target_id, 0); 831 832 if ((status == CAM_REQ_CMP) 833 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 834 struct cd_softc *nsoftc; 835 836 nsoftc = (struct cd_softc *)nperiph->softc; 837 838 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 839 nsoftc->flags |= CD_FLAG_CHANGER; 840 nchanger->num_devices++; 841 if (camq_resize(&nchanger->devq, 842 nchanger->num_devices)!=CAM_REQ_CMP){ 843 kprintf("cdregister: " 844 "camq_resize " 845 "failed, changer " 846 "support may " 847 "be messed up\n"); 848 } 849 nsoftc->changer = nchanger; 850 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 851 852 STAILQ_INSERT_TAIL(&nchanger->chluns, 853 nsoftc,changer_links); 854 } 855 xpt_free_path(path); 856 } else if (status == CAM_REQ_CMP) 857 xpt_free_path(path); 858 else { 859 kprintf("cdregister: unable to allocate path\n" 860 "cdregister: changer support may be " 861 "broken\n"); 862 } 863 864 nchanger->num_devices++; 865 866 softc->changer = nchanger; 867 softc->pinfo.index = CAM_UNQUEUED_INDEX; 868 869 if (camq_resize(&nchanger->devq, 870 nchanger->num_devices) != CAM_REQ_CMP) { 871 kprintf("cdregister: camq_resize " 872 "failed, changer support may " 873 "be messed up\n"); 874 } 875 876 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 877 } 878 /* 879 * In this case, we don't already have an entry for this 880 * particular changer, so we need to create one, add it to 881 * the queue, and queue this device on the list for this 882 * changer. Before we queue this device, however, we need 883 * to search for lun id 0 on this target, and add it to the 884 * queue first, if it exists. (and if it hasn't already 885 * been marked as part of the changer.) 886 */ 887 else { 888 nchanger = kmalloc(sizeof(struct cdchanger), 889 M_DEVBUF, M_INTWAIT | M_ZERO); 890 callout_init(&nchanger->short_handle); 891 callout_init(&nchanger->long_handle); 892 if (camq_init(&nchanger->devq, 1) != 0) { 893 softc->flags &= ~CD_FLAG_CHANGER; 894 kprintf("cdregister: changer support " 895 "disabled\n"); 896 goto cdregisterexit; 897 } 898 899 nchanger->path_id = cgd->ccb_h.path_id; 900 nchanger->target_id = cgd->ccb_h.target_id; 901 902 /* this is superfluous, but it makes things clearer */ 903 nchanger->num_devices = 0; 904 905 STAILQ_INIT(&nchanger->chluns); 906 907 callout_init(&nchanger->long_handle); 908 callout_init(&nchanger->short_handle); 909 910 lockmgr(&changerq_lock, LK_EXCLUSIVE); 911 num_changers++; 912 STAILQ_INSERT_TAIL(&changerq, nchanger, 913 changer_links); 914 lockmgr(&changerq_lock, LK_RELEASE); 915 916 /* 917 * Create a path with lun id 0, and see if we can 918 * find a matching device 919 */ 920 status = xpt_create_path(&path, /*periph*/ periph, 921 cgd->ccb_h.path_id, 922 cgd->ccb_h.target_id, 0); 923 924 /* 925 * If we were able to allocate the path, and if we 926 * find a matching device and it isn't already 927 * marked as part of a changer, then we add it to 928 * the current changer. 929 */ 930 if ((status == CAM_REQ_CMP) 931 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 932 && ((((struct cd_softc *)periph->softc)->flags & 933 CD_FLAG_CHANGER) == 0)) { 934 struct cd_softc *nsoftc; 935 936 nsoftc = (struct cd_softc *)nperiph->softc; 937 938 nsoftc->flags |= CD_FLAG_CHANGER; 939 nchanger->num_devices++; 940 if (camq_resize(&nchanger->devq, 941 nchanger->num_devices) != CAM_REQ_CMP) { 942 kprintf("cdregister: camq_resize " 943 "failed, changer support may " 944 "be messed up\n"); 945 } 946 nsoftc->changer = nchanger; 947 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 948 949 STAILQ_INSERT_TAIL(&nchanger->chluns, 950 nsoftc, changer_links); 951 xpt_free_path(path); 952 } else if (status == CAM_REQ_CMP) 953 xpt_free_path(path); 954 else { 955 kprintf("cdregister: unable to allocate path\n" 956 "cdregister: changer support may be " 957 "broken\n"); 958 } 959 960 softc->changer = nchanger; 961 softc->pinfo.index = CAM_UNQUEUED_INDEX; 962 nchanger->num_devices++; 963 if (camq_resize(&nchanger->devq, 964 nchanger->num_devices) != CAM_REQ_CMP) { 965 kprintf("cdregister: camq_resize " 966 "failed, changer support may " 967 "be messed up\n"); 968 } 969 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 970 changer_links); 971 } 972 } 973 974 cdregisterexit: 975 976 /* 977 * Refcount and block open attempts until we are setup 978 * Can't block 979 */ 980 cam_periph_hold(periph, 0); 981 982 if ((softc->flags & CD_FLAG_CHANGER) == 0) 983 xpt_schedule(periph, /*priority*/5); 984 else 985 cdschedule(periph, /*priority*/ 5); 986 987 return(CAM_REQ_CMP); 988 } 989 990 static int 991 cdopen(struct dev_open_args *ap) 992 { 993 cdev_t dev = ap->a_head.a_dev; 994 struct cam_periph *periph; 995 struct cd_softc *softc; 996 int unit, error; 997 998 unit = dkunit(dev); 999 periph = cam_extend_get(cdperiphs, unit); 1000 1001 if (periph == NULL) 1002 return (ENXIO); 1003 1004 softc = (struct cd_softc *)periph->softc; 1005 1006 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1007 return(ENXIO); 1008 1009 cam_periph_lock(periph); 1010 1011 if (softc->flags & CD_FLAG_INVALID) { 1012 cam_periph_unlock(periph); 1013 cam_periph_release(periph); 1014 return(ENXIO); 1015 } 1016 1017 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1018 cam_periph_unlock(periph); 1019 cam_periph_release(periph); 1020 return (error); 1021 } 1022 1023 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1024 if (softc->flags & CD_FLAG_OPEN) 1025 cam_periph_release(periph); 1026 else 1027 softc->flags |= CD_FLAG_OPEN; 1028 1029 /* 1030 * Check for media, and set the appropriate flags. We don't bail 1031 * if we don't have media, but then we don't allow anything but the 1032 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1033 * 1034 * XXX KDM for now, we do fail the open if we don't have media. We 1035 * can change this once we've figured out how to make the slice 1036 * code work well with media changing underneath it. 1037 */ 1038 error = cdcheckmedia(periph); 1039 1040 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1041 cam_periph_unhold(periph, 1); 1042 /* stays acquired */ 1043 1044 return (0); 1045 } 1046 1047 static int 1048 cdclose(struct dev_close_args *ap) 1049 { 1050 cdev_t dev = ap->a_head.a_dev; 1051 struct cam_periph *periph; 1052 struct cd_softc *softc; 1053 struct disk_info *info; 1054 int unit; 1055 1056 unit = dkunit(dev); 1057 periph = cam_extend_get(cdperiphs, unit); 1058 if (periph == NULL) 1059 return (ENXIO); 1060 1061 softc = (struct cd_softc *)periph->softc; 1062 1063 cam_periph_lock(periph); 1064 cam_periph_hold(periph, 0); 1065 1066 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1067 cdprevent(periph, PR_ALLOW); 1068 1069 /* 1070 * Unconditionally set the dsopen() flags back to their default 1071 * state. 1072 */ 1073 info = &softc->disk.d_info; 1074 info->d_dsflags &= ~DSO_NOLABELS; 1075 info->d_dsflags |= DSO_COMPATLABEL; 1076 1077 /* 1078 * Since we're closing this CD, mark the blocksize as unavailable. 1079 * It will be marked as available when the CD is opened again. 1080 */ 1081 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1082 1083 /* 1084 * We'll check the media and toc again at the next open(). 1085 */ 1086 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1087 1088 cam_periph_unhold(periph, 1); 1089 cam_periph_release(periph); 1090 1091 return (0); 1092 } 1093 1094 static void 1095 cdshorttimeout(void *arg) 1096 { 1097 struct cdchanger *changer; 1098 1099 changer = (struct cdchanger *)arg; 1100 1101 /* Always clear the short timeout flag, since that's what we're in */ 1102 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1103 1104 /* 1105 * Check to see if there is any more pending or outstanding I/O for 1106 * this device. If not, move it out of the active slot. 1107 */ 1108 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1109 && (changer->cur_device->outstanding_cmds == 0)) { 1110 changer->flags |= CHANGER_MANUAL_CALL; 1111 cdrunchangerqueue(changer); 1112 } 1113 } 1114 1115 /* 1116 * This is a wrapper for xpt_schedule. It only applies to changers. 1117 */ 1118 static void 1119 cdschedule(struct cam_periph *periph, int priority) 1120 { 1121 struct cd_softc *softc; 1122 1123 softc = (struct cd_softc *)periph->softc; 1124 1125 /* 1126 * If this device isn't currently queued, and if it isn't 1127 * the active device, then we queue this device and run the 1128 * changer queue if there is no timeout scheduled to do it. 1129 * If this device is the active device, just schedule it 1130 * to run again. If this device is queued, there should be 1131 * a timeout in place already that will make sure it runs. 1132 */ 1133 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1134 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1135 /* 1136 * We don't do anything with the priority here. 1137 * This is strictly a fifo queue. 1138 */ 1139 softc->pinfo.priority = 1; 1140 softc->pinfo.generation = ++softc->changer->devq.generation; 1141 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1142 1143 /* 1144 * Since we just put a device in the changer queue, 1145 * check and see if there is a timeout scheduled for 1146 * this changer. If so, let the timeout handle 1147 * switching this device into the active slot. If 1148 * not, manually call the timeout routine to 1149 * bootstrap things. 1150 */ 1151 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1152 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1153 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1154 softc->changer->flags |= CHANGER_MANUAL_CALL; 1155 cdrunchangerqueue(softc->changer); 1156 } 1157 } else if ((softc->flags & CD_FLAG_ACTIVE) 1158 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1159 xpt_schedule(periph, priority); 1160 } 1161 } 1162 1163 static void 1164 cdrunchangerqueue(void *arg) 1165 { 1166 struct cd_softc *softc; 1167 struct cdchanger *changer; 1168 int called_from_timeout; 1169 1170 changer = (struct cdchanger *)arg; 1171 1172 /* 1173 * If we have NOT been called from cdstrategy() or cddone(), and 1174 * instead from a timeout routine, go ahead and clear the 1175 * timeout flag. 1176 */ 1177 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1178 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1179 called_from_timeout = 1; 1180 } else 1181 called_from_timeout = 0; 1182 1183 /* Always clear the manual call flag */ 1184 changer->flags &= ~CHANGER_MANUAL_CALL; 1185 1186 /* nothing to do if the queue is empty */ 1187 if (changer->devq.entries <= 0) { 1188 return; 1189 } 1190 1191 /* 1192 * If the changer queue is frozen, that means we have an active 1193 * device. 1194 */ 1195 if (changer->devq.qfrozen_cnt > 0) { 1196 1197 /* 1198 * We always need to reset the frozen count and clear the 1199 * active flag. 1200 */ 1201 changer->devq.qfrozen_cnt--; 1202 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1203 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1204 1205 if (changer->cur_device->outstanding_cmds > 0) { 1206 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1207 changer->cur_device->bufs_left = 1208 changer->cur_device->outstanding_cmds; 1209 if (called_from_timeout) { 1210 callout_reset(&changer->long_handle, 1211 changer_max_busy_seconds * hz, 1212 cdrunchangerqueue, changer); 1213 changer->flags |= CHANGER_TIMEOUT_SCHED; 1214 } 1215 return; 1216 } 1217 1218 /* 1219 * Check to see whether the current device has any I/O left 1220 * to do. If so, requeue it at the end of the queue. If 1221 * not, there is no need to requeue it. 1222 */ 1223 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1224 1225 changer->cur_device->pinfo.generation = 1226 ++changer->devq.generation; 1227 camq_insert(&changer->devq, 1228 (cam_pinfo *)changer->cur_device); 1229 } 1230 } 1231 1232 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1233 1234 changer->cur_device = softc; 1235 1236 changer->devq.qfrozen_cnt++; 1237 softc->flags |= CD_FLAG_ACTIVE; 1238 1239 /* Just in case this device is waiting */ 1240 wakeup(&softc->changer); 1241 xpt_schedule(softc->periph, /*priority*/ 1); 1242 1243 /* 1244 * Get rid of any pending timeouts, and set a flag to schedule new 1245 * ones so this device gets its full time quantum. 1246 */ 1247 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1248 callout_stop(&changer->long_handle); 1249 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1250 } 1251 1252 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1253 callout_stop(&changer->short_handle); 1254 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1255 } 1256 1257 /* 1258 * We need to schedule timeouts, but we only do this after the 1259 * first transaction has completed. This eliminates the changer 1260 * switch time. 1261 */ 1262 changer->flags |= CHANGER_NEED_TIMEOUT; 1263 } 1264 1265 static void 1266 cdchangerschedule(struct cd_softc *softc) 1267 { 1268 struct cdchanger *changer; 1269 1270 changer = softc->changer; 1271 1272 /* 1273 * If this is a changer, and this is the current device, 1274 * and this device has at least the minimum time quantum to 1275 * run, see if we can switch it out. 1276 */ 1277 if ((softc->flags & CD_FLAG_ACTIVE) 1278 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1279 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1280 /* 1281 * We try three things here. The first is that we 1282 * check to see whether the schedule on completion 1283 * flag is set. If it is, we decrement the number 1284 * of buffers left, and if it's zero, we reschedule. 1285 * Next, we check to see whether the pending buffer 1286 * queue is empty and whether there are no 1287 * outstanding transactions. If so, we reschedule. 1288 * Next, we see if the pending buffer queue is empty. 1289 * If it is, we set the number of buffers left to 1290 * the current active buffer count and set the 1291 * schedule on complete flag. 1292 */ 1293 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1294 if (--softc->bufs_left == 0) { 1295 softc->changer->flags |= 1296 CHANGER_MANUAL_CALL; 1297 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1298 cdrunchangerqueue(softc->changer); 1299 } 1300 } else if ((bioq_first(&softc->bio_queue) == NULL) 1301 && (softc->outstanding_cmds == 0)) { 1302 softc->changer->flags |= CHANGER_MANUAL_CALL; 1303 cdrunchangerqueue(softc->changer); 1304 } 1305 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1306 && (softc->flags & CD_FLAG_ACTIVE)) { 1307 1308 /* 1309 * Now that the first transaction to this 1310 * particular device has completed, we can go ahead 1311 * and schedule our timeouts. 1312 */ 1313 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1314 callout_reset(&changer->long_handle, 1315 changer_max_busy_seconds * hz, 1316 cdrunchangerqueue, changer); 1317 changer->flags |= CHANGER_TIMEOUT_SCHED; 1318 } else 1319 kprintf("cdchangerschedule: already have a long" 1320 " timeout!\n"); 1321 1322 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1323 callout_reset(&changer->short_handle, 1324 changer_min_busy_seconds * hz, 1325 cdshorttimeout, changer); 1326 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1327 } else 1328 kprintf("cdchangerschedule: already have a short " 1329 "timeout!\n"); 1330 1331 /* 1332 * We just scheduled timeouts, no need to schedule 1333 * more. 1334 */ 1335 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1336 1337 } 1338 } 1339 1340 static int 1341 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1342 u_int32_t cam_flags, 1343 u_int32_t sense_flags), 1344 u_int32_t cam_flags, u_int32_t sense_flags) 1345 { 1346 struct cd_softc *softc; 1347 struct cam_periph *periph; 1348 int error; 1349 1350 periph = xpt_path_periph(ccb->ccb_h.path); 1351 softc = (struct cd_softc *)periph->softc; 1352 1353 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1354 &softc->device_stats); 1355 1356 if (softc->flags & CD_FLAG_CHANGER) 1357 cdchangerschedule(softc); 1358 1359 return(error); 1360 } 1361 1362 static union ccb * 1363 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1364 { 1365 struct cd_softc *softc; 1366 1367 softc = (struct cd_softc *)periph->softc; 1368 1369 if (softc->flags & CD_FLAG_CHANGER) { 1370 /* 1371 * This should work the first time this device is woken up, 1372 * but just in case it doesn't, we use a while loop. 1373 */ 1374 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1375 /* 1376 * If this changer isn't already queued, queue it up. 1377 */ 1378 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1379 softc->pinfo.priority = 1; 1380 softc->pinfo.generation = 1381 ++softc->changer->devq.generation; 1382 camq_insert(&softc->changer->devq, 1383 (cam_pinfo *)softc); 1384 } 1385 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1386 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1387 && ((softc->changer->flags 1388 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1389 softc->changer->flags |= CHANGER_MANUAL_CALL; 1390 cdrunchangerqueue(softc->changer); 1391 } else 1392 sim_lock_sleep(&softc->changer, 0, "cgticb", 0, 1393 periph->sim->lock); 1394 } 1395 } 1396 return(cam_periph_getccb(periph, priority)); 1397 } 1398 1399 /* 1400 * Actually translate the requested transfer into one the physical driver 1401 * can understand. The transfer is described by a buf and will include 1402 * only one physical transfer. 1403 */ 1404 static int 1405 cdstrategy(struct dev_strategy_args *ap) 1406 { 1407 cdev_t dev = ap->a_head.a_dev; 1408 struct bio *bio = ap->a_bio; 1409 struct buf *bp = bio->bio_buf; 1410 struct cam_periph *periph; 1411 struct cd_softc *softc; 1412 u_int unit; 1413 1414 unit = dkunit(dev); 1415 periph = cam_extend_get(cdperiphs, unit); 1416 if (periph == NULL) { 1417 bp->b_error = ENXIO; 1418 goto bad; 1419 } 1420 1421 cam_periph_lock(periph); 1422 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1423 1424 softc = (struct cd_softc *)periph->softc; 1425 1426 /* 1427 * If the device has been made invalid, error out 1428 */ 1429 if ((softc->flags & CD_FLAG_INVALID)) { 1430 cam_periph_unlock(periph); 1431 bp->b_error = ENXIO; 1432 goto bad; 1433 } 1434 1435 /* 1436 * If we don't have valid media, look for it before trying to 1437 * schedule the I/O. 1438 */ 1439 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1440 int error; 1441 1442 error = cdcheckmedia(periph); 1443 if (error != 0) { 1444 cam_periph_unlock(periph); 1445 bp->b_error = error; 1446 goto bad; 1447 } 1448 } 1449 1450 /* 1451 * Place it in the queue of disk activities for this disk 1452 */ 1453 bioqdisksort(&softc->bio_queue, bio); 1454 1455 /* 1456 * Schedule ourselves for performing the work. We do things 1457 * differently for changers. 1458 */ 1459 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1460 xpt_schedule(periph, /* XXX priority */1); 1461 else 1462 cdschedule(periph, /* priority */ 1); 1463 1464 cam_periph_unlock(periph); 1465 return(0); 1466 bad: 1467 bp->b_flags |= B_ERROR; 1468 /* 1469 * Correctly set the buf to indicate a completed xfer 1470 */ 1471 bp->b_resid = bp->b_bcount; 1472 biodone(bio); 1473 return(0); 1474 } 1475 1476 static void 1477 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1478 { 1479 struct cd_softc *softc; 1480 struct bio *bio; 1481 struct buf *bp; 1482 struct ccb_scsiio *csio; 1483 struct scsi_read_capacity_data *rcap; 1484 1485 softc = (struct cd_softc *)periph->softc; 1486 1487 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1488 1489 switch (softc->state) { 1490 case CD_STATE_NORMAL: 1491 { 1492 bio = bioq_first(&softc->bio_queue); 1493 if (periph->immediate_priority <= periph->pinfo.priority) { 1494 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1495 1496 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1497 periph_links.sle); 1498 periph->immediate_priority = CAM_PRIORITY_NONE; 1499 wakeup(&periph->ccb_list); 1500 } else if (bio == NULL) { 1501 xpt_release_ccb(start_ccb); 1502 } else { 1503 bp = bio->bio_buf; 1504 bioq_remove(&softc->bio_queue, bio); 1505 1506 devstat_start_transaction(&softc->device_stats); 1507 1508 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1509 1510 scsi_read_write(&start_ccb->csio, 1511 /*retries*/4, 1512 /* cbfcnp */ cddone, 1513 (bp->b_flags & B_ORDERED) != 0 ? 1514 MSG_ORDERED_Q_TAG : 1515 MSG_SIMPLE_Q_TAG, 1516 /* read */(bp->b_cmd == BUF_CMD_READ), 1517 /* byte2 */ 0, 1518 /* minimum_cmd_size */ 10, 1519 /* lba */ 1520 bio->bio_offset / softc->params.blksize, 1521 bp->b_bcount / softc->params.blksize, 1522 /* data_ptr */ bp->b_data, 1523 /* dxfer_len */ bp->b_bcount, 1524 /* sense_len */ SSD_FULL_SIZE, 1525 /* timeout */ 30000); 1526 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1527 1528 1529 LIST_INSERT_HEAD(&softc->pending_ccbs, 1530 &start_ccb->ccb_h, periph_links.le); 1531 1532 softc->outstanding_cmds++; 1533 /* We expect a unit attention from this device */ 1534 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1535 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1536 softc->flags &= ~CD_FLAG_RETRY_UA; 1537 } 1538 1539 start_ccb->ccb_h.ccb_bio = bio; 1540 bio = bioq_first(&softc->bio_queue); 1541 1542 xpt_action(start_ccb); 1543 } 1544 if (bio != NULL) { 1545 /* Have more work to do, so ensure we stay scheduled */ 1546 xpt_schedule(periph, /* XXX priority */1); 1547 } 1548 break; 1549 } 1550 case CD_STATE_PROBE: 1551 { 1552 1553 rcap = kmalloc(sizeof(*rcap), M_SCSICD, M_INTWAIT); 1554 csio = &start_ccb->csio; 1555 scsi_read_capacity(csio, 1556 /*retries*/1, 1557 cddone, 1558 MSG_SIMPLE_Q_TAG, 1559 rcap, 1560 SSD_FULL_SIZE, 1561 /*timeout*/20000); 1562 start_ccb->ccb_h.ccb_bio = NULL; 1563 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1564 xpt_action(start_ccb); 1565 break; 1566 } 1567 } 1568 } 1569 1570 static void 1571 cddone(struct cam_periph *periph, union ccb *done_ccb) 1572 { 1573 struct cd_softc *softc; 1574 struct ccb_scsiio *csio; 1575 1576 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1577 1578 softc = (struct cd_softc *)periph->softc; 1579 csio = &done_ccb->csio; 1580 1581 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1582 case CD_CCB_BUFFER_IO: 1583 { 1584 struct buf *bp; 1585 struct bio *bio; 1586 int error; 1587 1588 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1589 bp = bio->bio_buf; 1590 error = 0; 1591 1592 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1593 int sf; 1594 1595 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1596 sf = SF_RETRY_UA; 1597 else 1598 sf = 0; 1599 1600 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1601 if (error == ERESTART) { 1602 /* 1603 * A retry was scheuled, so 1604 * just return. 1605 */ 1606 return; 1607 } 1608 } 1609 1610 if (error != 0) { 1611 struct bio *q_bio; 1612 struct buf *q_bp; 1613 1614 xpt_print(periph->path, 1615 "cddone: got error %#x back\n", error); 1616 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1617 bioq_remove(&softc->bio_queue, q_bio); 1618 q_bp = q_bio->bio_buf; 1619 q_bp->b_resid = q_bp->b_bcount; 1620 q_bp->b_error = EIO; 1621 q_bp->b_flags |= B_ERROR; 1622 biodone(q_bio); 1623 } 1624 bp->b_resid = bp->b_bcount; 1625 bp->b_error = error; 1626 bp->b_flags |= B_ERROR; 1627 cam_release_devq(done_ccb->ccb_h.path, 1628 /*relsim_flags*/0, 1629 /*reduction*/0, 1630 /*timeout*/0, 1631 /*getcount_only*/0); 1632 1633 } else { 1634 bp->b_resid = csio->resid; 1635 bp->b_error = 0; 1636 if (bp->b_resid != 0) { 1637 /* Short transfer ??? */ 1638 bp->b_flags |= B_ERROR; 1639 } 1640 } 1641 1642 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1643 softc->outstanding_cmds--; 1644 1645 if (softc->flags & CD_FLAG_CHANGER) 1646 cdchangerschedule(softc); 1647 1648 devstat_end_transaction_buf(&softc->device_stats, bp); 1649 biodone(bio); 1650 break; 1651 } 1652 case CD_CCB_PROBE: 1653 { 1654 /* 1655 * Currently (9/30/97) the longest possible announce 1656 * buffer is 108 bytes, for the first error case below. 1657 * That is 39 bytes for the basic string, 16 bytes for the 1658 * biggest sense key (hardware error), 52 bytes for the 1659 * text of the largest sense qualifier valid for a CDROM, 1660 * (0x72, 0x03 or 0x04, 0x03), and one byte for the 1661 * null terminating character. To allow for longer strings, 1662 * the announce buffer is 120 bytes. 1663 * 1664 * We need to call disk_setdiskinfo() before the disk 1665 * subsystem will allow any opens. Because additional 1666 * probe code is in cdopen() we do this now whether a CD 1667 * is present or not. 1668 */ 1669 struct scsi_read_capacity_data *rdcap; 1670 struct disk_info info; 1671 char announce_buf[120]; 1672 struct cd_params *cdp; 1673 1674 cdp = &softc->params; 1675 bzero(&info, sizeof(info)); 1676 info.d_type = DTYPE_SCSI; 1677 info.d_dsflags &= ~DSO_COMPATLABEL; 1678 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 1679 info.d_serialno = xpt_path_serialno(periph->path); 1680 1681 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1682 1683 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1684 cdp->blksize = scsi_4btoul (rdcap->length); 1685 1686 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1687 ksnprintf(announce_buf, sizeof(announce_buf), 1688 "cd present [%lu x %lu byte records]", 1689 cdp->disksize, (u_long)cdp->blksize); 1690 info.d_media_blksize = cdp->blksize; 1691 info.d_media_blocks = cdp->disksize; 1692 disk_setdiskinfo(&softc->disk, &info); 1693 } else { 1694 int error; 1695 1696 /* 1697 * Retry any UNIT ATTENTION type errors. They 1698 * are expected at boot. 1699 */ 1700 error = cderror(done_ccb, CAM_RETRY_SELTO, 1701 SF_RETRY_UA | SF_NO_PRINT); 1702 if (error == ERESTART) { 1703 /* 1704 * A retry was scheuled, so 1705 * just return. 1706 */ 1707 return; 1708 } else if (error != 0) { 1709 struct scsi_sense_data *sense; 1710 int asc, ascq; 1711 int sense_key, error_code; 1712 int have_sense; 1713 cam_status status; 1714 struct ccb_getdev cgd; 1715 1716 /* Don't wedge this device's queue */ 1717 cam_release_devq(done_ccb->ccb_h.path, 1718 /*relsim_flags*/0, 1719 /*reduction*/0, 1720 /*timeout*/0, 1721 /*getcount_only*/0); 1722 1723 status = done_ccb->ccb_h.status; 1724 1725 xpt_setup_ccb(&cgd.ccb_h, 1726 done_ccb->ccb_h.path, 1727 /* priority */ 1); 1728 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1729 xpt_action((union ccb *)&cgd); 1730 1731 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1732 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1733 || ((status & CAM_AUTOSNS_VALID) == 0)) 1734 have_sense = FALSE; 1735 else 1736 have_sense = TRUE; 1737 1738 if (have_sense) { 1739 sense = &csio->sense_data; 1740 scsi_extract_sense(sense, &error_code, 1741 &sense_key, 1742 &asc, &ascq); 1743 } 1744 /* 1745 * Attach to anything that claims to be a 1746 * CDROM or WORM device, as long as it 1747 * doesn't return a "Logical unit not 1748 * supported" (0x25) error. 1749 */ 1750 if ((have_sense) && (asc != 0x25) 1751 && (error_code == SSD_CURRENT_ERROR)) { 1752 const char *sense_key_desc; 1753 const char *asc_desc; 1754 1755 scsi_sense_desc(sense_key, asc, ascq, 1756 &cgd.inq_data, 1757 &sense_key_desc, 1758 &asc_desc); 1759 ksnprintf(announce_buf, 1760 sizeof(announce_buf), 1761 "Attempt to query device " 1762 "size failed: %s, %s", 1763 sense_key_desc, 1764 asc_desc); 1765 info.d_media_blksize = 2048; 1766 disk_setdiskinfo(&softc->disk, &info); 1767 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1768 /* 1769 * We only print out an error for 1770 * CDROM type devices. For WORM 1771 * devices, we don't print out an 1772 * error since a few WORM devices 1773 * don't support CDROM commands. 1774 * If we have sense information, go 1775 * ahead and print it out. 1776 * Otherwise, just say that we 1777 * couldn't attach. 1778 */ 1779 1780 /* 1781 * Just print out the error, not 1782 * the full probe message, when we 1783 * don't attach. 1784 */ 1785 if (have_sense) 1786 scsi_sense_print( 1787 &done_ccb->csio); 1788 else { 1789 xpt_print(periph->path, 1790 "got CAM status %#x\n", 1791 done_ccb->ccb_h.status); 1792 } 1793 xpt_print(periph->path, "fatal error, " 1794 "failed to attach to device\n"); 1795 /* 1796 * Invalidate this peripheral. 1797 */ 1798 cam_periph_invalidate(periph); 1799 1800 announce_buf[0] = '\0'; 1801 } else { 1802 1803 /* 1804 * Invalidate this peripheral. 1805 */ 1806 cam_periph_invalidate(periph); 1807 announce_buf[0] = '\0'; 1808 } 1809 } 1810 } 1811 kfree(rdcap, M_SCSICD); 1812 if (announce_buf[0] != '\0') { 1813 xpt_announce_periph(periph, announce_buf); 1814 if (softc->flags & CD_FLAG_CHANGER) 1815 cdchangerschedule(softc); 1816 /* 1817 * Create our sysctl variables, now that we know 1818 * we have successfully attached. 1819 */ 1820 taskqueue_enqueue(taskqueue_thread[mycpuid], 1821 &softc->sysctl_task); 1822 } 1823 softc->state = CD_STATE_NORMAL; 1824 /* 1825 * Since our peripheral may be invalidated by an error 1826 * above or an external event, we must release our CCB 1827 * before releasing the probe lock on the peripheral. 1828 * The peripheral will only go away once the last lock 1829 * is removed, and we need it around for the CCB release 1830 * operation. 1831 */ 1832 xpt_release_ccb(done_ccb); 1833 cam_periph_unhold(periph, 0); 1834 return; 1835 } 1836 case CD_CCB_WAITING: 1837 { 1838 /* Caller will release the CCB */ 1839 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1840 ("trying to wakeup ccbwait\n")); 1841 1842 wakeup(&done_ccb->ccb_h.cbfcnp); 1843 return; 1844 } 1845 default: 1846 break; 1847 } 1848 xpt_release_ccb(done_ccb); 1849 } 1850 1851 static union cd_pages * 1852 cdgetpage(struct cd_mode_params *mode_params) 1853 { 1854 union cd_pages *page; 1855 1856 if (mode_params->cdb_size == 10) 1857 page = (union cd_pages *)find_mode_page_10( 1858 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1859 else 1860 page = (union cd_pages *)find_mode_page_6( 1861 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1862 1863 return (page); 1864 } 1865 1866 static int 1867 cdgetpagesize(int page_num) 1868 { 1869 int i; 1870 1871 for (i = 0; i < NELEM(cd_page_size_table); i++) { 1872 if (cd_page_size_table[i].page == page_num) 1873 return (cd_page_size_table[i].page_size); 1874 } 1875 return (-1); 1876 } 1877 1878 static int 1879 cdioctl(struct dev_ioctl_args *ap) 1880 { 1881 cdev_t dev = ap->a_head.a_dev; 1882 caddr_t addr = ap->a_data; 1883 struct cam_periph *periph; 1884 struct cd_softc *softc; 1885 int unit, error = 0; 1886 1887 unit = dkunit(dev); 1888 1889 periph = cam_extend_get(cdperiphs, unit); 1890 if (periph == NULL) 1891 return(ENXIO); 1892 1893 cam_periph_lock(periph); 1894 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1895 1896 softc = (struct cd_softc *)periph->softc; 1897 1898 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1899 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1900 1901 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1902 cam_periph_unlock(periph); 1903 cam_periph_release(periph); 1904 return (error); 1905 } 1906 1907 /* 1908 * If we don't have media loaded, check for it. If still don't 1909 * have media loaded, we can only do a load or eject. 1910 * 1911 * We only care whether media is loaded if this is a cd-specific ioctl 1912 * (thus the IOCGROUP check below). Note that this will break if 1913 * anyone adds any ioctls into the switch statement below that don't 1914 * have their ioctl group set to 'c'. 1915 */ 1916 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1917 && ((ap->a_cmd != CDIOCCLOSE) 1918 && (ap->a_cmd != CDIOCEJECT)) 1919 && (IOCGROUP(ap->a_cmd) == 'c')) { 1920 error = cdcheckmedia(periph); 1921 if (error != 0) { 1922 cam_periph_unhold(periph, 1); 1923 return (error); 1924 } 1925 } 1926 /* 1927 * Drop the lock here so later mallocs can use WAITOK. The periph 1928 * is essentially locked still with the cam_periph_hold call above. 1929 */ 1930 cam_periph_unlock(periph); 1931 1932 switch (ap->a_cmd) { 1933 1934 case CDIOCPLAYTRACKS: 1935 { 1936 struct ioc_play_track *args 1937 = (struct ioc_play_track *)addr; 1938 struct cd_mode_params params; 1939 union cd_pages *page; 1940 1941 params.alloc_len = sizeof(union cd_mode_data_6_10); 1942 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 1943 M_WAITOK | M_ZERO); 1944 1945 cam_periph_lock(periph); 1946 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1947 ("trying to do CDIOCPLAYTRACKS\n")); 1948 1949 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1950 if (error) { 1951 kfree(params.mode_buf, M_SCSICD); 1952 cam_periph_unlock(periph); 1953 break; 1954 } 1955 page = cdgetpage(¶ms); 1956 1957 page->audio.flags &= ~CD_PA_SOTC; 1958 page->audio.flags |= CD_PA_IMMED; 1959 error = cdsetmode(periph, ¶ms); 1960 kfree(params.mode_buf, M_SCSICD); 1961 if (error) { 1962 cam_periph_unlock(periph); 1963 break; 1964 } 1965 1966 /* 1967 * This was originally implemented with the PLAY 1968 * AUDIO TRACK INDEX command, but that command was 1969 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1970 * drives support it but ATAPI and ATAPI-derivative 1971 * drives don't seem to support it. So we keep a 1972 * cache of the table of contents and translate 1973 * track numbers to MSF format. 1974 */ 1975 if (softc->flags & CD_FLAG_VALID_TOC) { 1976 union msf_lba *sentry, *eentry; 1977 int st, et; 1978 1979 if (args->end_track < 1980 softc->toc.header.ending_track + 1) 1981 args->end_track++; 1982 if (args->end_track > 1983 softc->toc.header.ending_track + 1) 1984 args->end_track = 1985 softc->toc.header.ending_track + 1; 1986 st = args->start_track - 1987 softc->toc.header.starting_track; 1988 et = args->end_track - 1989 softc->toc.header.starting_track; 1990 if ((st < 0) 1991 || (et < 0) 1992 || (st > (softc->toc.header.ending_track - 1993 softc->toc.header.starting_track))) { 1994 error = EINVAL; 1995 break; 1996 } 1997 sentry = &softc->toc.entries[st].addr; 1998 eentry = &softc->toc.entries[et].addr; 1999 error = cdplaymsf(periph, 2000 sentry->msf.minute, 2001 sentry->msf.second, 2002 sentry->msf.frame, 2003 eentry->msf.minute, 2004 eentry->msf.second, 2005 eentry->msf.frame); 2006 } else { 2007 /* 2008 * If we don't have a valid TOC, try the 2009 * play track index command. It is part of 2010 * the SCSI-2 spec, but was removed in the 2011 * MMC specs. ATAPI and ATAPI-derived 2012 * drives don't support it. 2013 */ 2014 if (softc->quirks & CD_Q_BCD_TRACKS) { 2015 args->start_track = 2016 bin2bcd(args->start_track); 2017 args->end_track = 2018 bin2bcd(args->end_track); 2019 } 2020 error = cdplaytracks(periph, 2021 args->start_track, 2022 args->start_index, 2023 args->end_track, 2024 args->end_index); 2025 } 2026 cam_periph_unlock(periph); 2027 } 2028 break; 2029 case CDIOCPLAYMSF: 2030 { 2031 struct ioc_play_msf *args 2032 = (struct ioc_play_msf *) addr; 2033 struct cd_mode_params params; 2034 union cd_pages *page; 2035 2036 params.alloc_len = sizeof(union cd_mode_data_6_10); 2037 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2038 M_WAITOK | M_ZERO); 2039 2040 cam_periph_lock(periph); 2041 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2042 ("trying to do CDIOCPLAYMSF\n")); 2043 2044 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2045 if (error) { 2046 kfree(params.mode_buf, M_SCSICD); 2047 cam_periph_unlock(periph); 2048 break; 2049 } 2050 page = cdgetpage(¶ms); 2051 2052 page->audio.flags &= ~CD_PA_SOTC; 2053 page->audio.flags |= CD_PA_IMMED; 2054 error = cdsetmode(periph, ¶ms); 2055 kfree(params.mode_buf, M_SCSICD); 2056 if (error) { 2057 cam_periph_unlock(periph); 2058 break; 2059 } 2060 error = cdplaymsf(periph, 2061 args->start_m, 2062 args->start_s, 2063 args->start_f, 2064 args->end_m, 2065 args->end_s, 2066 args->end_f); 2067 cam_periph_unlock(periph); 2068 } 2069 break; 2070 case CDIOCPLAYBLOCKS: 2071 { 2072 struct ioc_play_blocks *args 2073 = (struct ioc_play_blocks *) addr; 2074 struct cd_mode_params params; 2075 union cd_pages *page; 2076 2077 params.alloc_len = sizeof(union cd_mode_data_6_10); 2078 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2079 M_WAITOK | M_ZERO); 2080 cam_periph_lock(periph); 2081 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2082 ("trying to do CDIOCPLAYBLOCKS\n")); 2083 2084 2085 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2086 if (error) { 2087 kfree(params.mode_buf, M_SCSICD); 2088 cam_periph_unlock(periph); 2089 break; 2090 } 2091 page = cdgetpage(¶ms); 2092 2093 page->audio.flags &= ~CD_PA_SOTC; 2094 page->audio.flags |= CD_PA_IMMED; 2095 error = cdsetmode(periph, ¶ms); 2096 kfree(params.mode_buf, M_SCSICD); 2097 if (error) { 2098 cam_periph_unlock(periph); 2099 break; 2100 } 2101 error = cdplay(periph, args->blk, args->len); 2102 cam_periph_unlock(periph); 2103 } 2104 break; 2105 case CDIOCREADSUBCHANNEL: 2106 { 2107 struct ioc_read_subchannel *args 2108 = (struct ioc_read_subchannel *) addr; 2109 struct cd_sub_channel_info *data; 2110 u_int32_t len = args->data_len; 2111 2112 data = kmalloc(sizeof(struct cd_sub_channel_info), 2113 M_SCSICD, M_WAITOK); 2114 2115 cam_periph_lock(periph); 2116 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2117 ("trying to do CDIOCREADSUBCHANNEL\n")); 2118 2119 if ((len > sizeof(struct cd_sub_channel_info)) || 2120 (len < sizeof(struct cd_sub_channel_header))) { 2121 kprintf( 2122 "scsi_cd: cdioctl: " 2123 "cdioreadsubchannel: error, len=%d\n", 2124 len); 2125 error = EINVAL; 2126 kfree(data, M_SCSICD); 2127 cam_periph_unlock(periph); 2128 break; 2129 } 2130 2131 if (softc->quirks & CD_Q_BCD_TRACKS) 2132 args->track = bin2bcd(args->track); 2133 2134 error = cdreadsubchannel(periph, args->address_format, 2135 args->data_format, args->track, data, len); 2136 2137 if (error) { 2138 kfree(data, M_SCSICD); 2139 cam_periph_unlock(periph); 2140 break; 2141 } 2142 if (softc->quirks & CD_Q_BCD_TRACKS) 2143 data->what.track_info.track_number = 2144 bcd2bin(data->what.track_info.track_number); 2145 len = min(len, ((data->header.data_len[0] << 8) + 2146 data->header.data_len[1] + 2147 sizeof(struct cd_sub_channel_header))); 2148 cam_periph_unlock(periph); 2149 if (copyout(data, args->data, len) != 0) { 2150 error = EFAULT; 2151 } 2152 kfree(data, M_SCSICD); 2153 } 2154 break; 2155 2156 case CDIOREADTOCHEADER: 2157 { 2158 struct ioc_toc_header *th; 2159 2160 th = kmalloc(sizeof(struct ioc_toc_header), M_SCSICD, 2161 M_WAITOK); 2162 2163 cam_periph_lock(periph); 2164 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2165 ("trying to do CDIOREADTOCHEADER\n")); 2166 2167 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2168 sizeof (*th), /*sense_flags*/0); 2169 if (error) { 2170 kfree(th, M_SCSICD); 2171 cam_periph_unlock(periph); 2172 break; 2173 } 2174 if (softc->quirks & CD_Q_BCD_TRACKS) { 2175 /* we are going to have to convert the BCD 2176 * encoding on the cd to what is expected 2177 */ 2178 th->starting_track = 2179 bcd2bin(th->starting_track); 2180 th->ending_track = bcd2bin(th->ending_track); 2181 } 2182 th->len = ntohs(th->len); 2183 bcopy(th, addr, sizeof(*th)); 2184 kfree(th, M_SCSICD); 2185 cam_periph_unlock(periph); 2186 } 2187 break; 2188 case CDIOREADTOCENTRYS: 2189 { 2190 struct cd_tocdata *data; 2191 struct cd_toc_single *lead; 2192 struct ioc_read_toc_entry *te = 2193 (struct ioc_read_toc_entry *) addr; 2194 struct ioc_toc_header *th; 2195 u_int32_t len, readlen, idx, num; 2196 u_int32_t starting_track = te->starting_track; 2197 2198 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2199 lead = kmalloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2200 2201 cam_periph_lock(periph); 2202 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2203 ("trying to do CDIOREADTOCENTRYS\n")); 2204 2205 if (te->data_len < sizeof(struct cd_toc_entry) 2206 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2207 || (te->address_format != CD_MSF_FORMAT 2208 && te->address_format != CD_LBA_FORMAT)) { 2209 error = EINVAL; 2210 kprintf("scsi_cd: error in readtocentries, " 2211 "returning EINVAL\n"); 2212 kfree(data, M_SCSICD); 2213 kfree(lead, M_SCSICD); 2214 cam_periph_unlock(periph); 2215 break; 2216 } 2217 2218 th = &data->header; 2219 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2220 sizeof (*th), /*sense_flags*/0); 2221 if (error) { 2222 kfree(data, M_SCSICD); 2223 kfree(lead, M_SCSICD); 2224 cam_periph_unlock(periph); 2225 break; 2226 } 2227 2228 if (softc->quirks & CD_Q_BCD_TRACKS) { 2229 /* we are going to have to convert the BCD 2230 * encoding on the cd to what is expected 2231 */ 2232 th->starting_track = 2233 bcd2bin(th->starting_track); 2234 th->ending_track = bcd2bin(th->ending_track); 2235 } 2236 2237 if (starting_track == 0) 2238 starting_track = th->starting_track; 2239 else if (starting_track == LEADOUT) 2240 starting_track = th->ending_track + 1; 2241 else if (starting_track < th->starting_track || 2242 starting_track > th->ending_track + 1) { 2243 kprintf("scsi_cd: error in readtocentries, " 2244 "returning EINVAL\n"); 2245 kfree(data, M_SCSICD); 2246 kfree(lead, M_SCSICD); 2247 cam_periph_unlock(periph); 2248 error = EINVAL; 2249 break; 2250 } 2251 2252 /* calculate reading length without leadout entry */ 2253 readlen = (th->ending_track - starting_track + 1) * 2254 sizeof(struct cd_toc_entry); 2255 2256 /* and with leadout entry */ 2257 len = readlen + sizeof(struct cd_toc_entry); 2258 if (te->data_len < len) { 2259 len = te->data_len; 2260 if (readlen > len) 2261 readlen = len; 2262 } 2263 if (len > sizeof(data->entries)) { 2264 kprintf("scsi_cd: error in readtocentries, " 2265 "returning EINVAL\n"); 2266 error = EINVAL; 2267 kfree(data, M_SCSICD); 2268 kfree(lead, M_SCSICD); 2269 cam_periph_unlock(periph); 2270 break; 2271 } 2272 num = len / sizeof(struct cd_toc_entry); 2273 2274 if (readlen > 0) { 2275 error = cdreadtoc(periph, te->address_format, 2276 starting_track, 2277 (u_int8_t *)data, 2278 readlen + sizeof (*th), 2279 /*sense_flags*/0); 2280 if (error) { 2281 kfree(data, M_SCSICD); 2282 kfree(lead, M_SCSICD); 2283 cam_periph_unlock(periph); 2284 break; 2285 } 2286 } 2287 2288 /* make leadout entry if needed */ 2289 idx = starting_track + num - 1; 2290 if (softc->quirks & CD_Q_BCD_TRACKS) 2291 th->ending_track = bcd2bin(th->ending_track); 2292 if (idx == th->ending_track + 1) { 2293 error = cdreadtoc(periph, te->address_format, 2294 LEADOUT, (u_int8_t *)lead, 2295 sizeof(*lead), 2296 /*sense_flags*/0); 2297 if (error) { 2298 kfree(data, M_SCSICD); 2299 kfree(lead, M_SCSICD); 2300 cam_periph_unlock(periph); 2301 break; 2302 } 2303 data->entries[idx - starting_track] = 2304 lead->entry; 2305 } 2306 if (softc->quirks & CD_Q_BCD_TRACKS) { 2307 for (idx = 0; idx < num - 1; idx++) { 2308 data->entries[idx].track = 2309 bcd2bin(data->entries[idx].track); 2310 } 2311 } 2312 2313 cam_periph_unlock(periph); 2314 error = copyout(data->entries, te->data, len); 2315 kfree(data, M_SCSICD); 2316 kfree(lead, M_SCSICD); 2317 } 2318 break; 2319 case CDIOREADTOCENTRY: 2320 { 2321 struct cd_toc_single *data; 2322 struct ioc_read_toc_single_entry *te = 2323 (struct ioc_read_toc_single_entry *) addr; 2324 struct ioc_toc_header *th; 2325 u_int32_t track; 2326 2327 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2328 2329 cam_periph_lock(periph); 2330 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2331 ("trying to do CDIOREADTOCENTRY\n")); 2332 2333 if (te->address_format != CD_MSF_FORMAT 2334 && te->address_format != CD_LBA_FORMAT) { 2335 kprintf("error in readtocentry, " 2336 " returning EINVAL\n"); 2337 kfree(data, M_SCSICD); 2338 error = EINVAL; 2339 cam_periph_unlock(periph); 2340 break; 2341 } 2342 2343 th = &data->header; 2344 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2345 sizeof (*th), /*sense_flags*/0); 2346 if (error) { 2347 kfree(data, M_SCSICD); 2348 cam_periph_unlock(periph); 2349 break; 2350 } 2351 2352 if (softc->quirks & CD_Q_BCD_TRACKS) { 2353 /* we are going to have to convert the BCD 2354 * encoding on the cd to what is expected 2355 */ 2356 th->starting_track = 2357 bcd2bin(th->starting_track); 2358 th->ending_track = bcd2bin(th->ending_track); 2359 } 2360 track = te->track; 2361 if (track == 0) 2362 track = th->starting_track; 2363 else if (track == LEADOUT) 2364 /* OK */; 2365 else if (track < th->starting_track || 2366 track > th->ending_track + 1) { 2367 kprintf("error in readtocentry, " 2368 " returning EINVAL\n"); 2369 kfree(data, M_SCSICD); 2370 error = EINVAL; 2371 cam_periph_unlock(periph); 2372 break; 2373 } 2374 2375 error = cdreadtoc(periph, te->address_format, track, 2376 (u_int8_t *)data, sizeof(*data), 2377 /*sense_flags*/0); 2378 if (error) { 2379 kfree(data, M_SCSICD); 2380 cam_periph_unlock(periph); 2381 break; 2382 } 2383 2384 if (softc->quirks & CD_Q_BCD_TRACKS) 2385 data->entry.track = bcd2bin(data->entry.track); 2386 bcopy(&data->entry, &te->entry, 2387 sizeof(struct cd_toc_entry)); 2388 kfree(data, M_SCSICD); 2389 cam_periph_unlock(periph); 2390 } 2391 break; 2392 case CDIOCSETPATCH: 2393 { 2394 struct ioc_patch *arg = (struct ioc_patch *)addr; 2395 struct cd_mode_params params; 2396 union cd_pages *page; 2397 2398 params.alloc_len = sizeof(union cd_mode_data_6_10); 2399 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2400 M_WAITOK | M_ZERO); 2401 2402 cam_periph_lock(periph); 2403 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2404 ("trying to do CDIOCSETPATCH\n")); 2405 2406 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2407 if (error) { 2408 kfree(params.mode_buf, M_SCSICD); 2409 cam_periph_unlock(periph); 2410 break; 2411 } 2412 page = cdgetpage(¶ms); 2413 2414 page->audio.port[LEFT_PORT].channels = 2415 arg->patch[0]; 2416 page->audio.port[RIGHT_PORT].channels = 2417 arg->patch[1]; 2418 page->audio.port[2].channels = arg->patch[2]; 2419 page->audio.port[3].channels = arg->patch[3]; 2420 error = cdsetmode(periph, ¶ms); 2421 kfree(params.mode_buf, M_SCSICD); 2422 cam_periph_unlock(periph); 2423 } 2424 break; 2425 case CDIOCGETVOL: 2426 { 2427 struct ioc_vol *arg = (struct ioc_vol *) addr; 2428 struct cd_mode_params params; 2429 union cd_pages *page; 2430 2431 params.alloc_len = sizeof(union cd_mode_data_6_10); 2432 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2433 M_WAITOK | M_ZERO); 2434 2435 cam_periph_lock(periph); 2436 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2437 ("trying to do CDIOCGETVOL\n")); 2438 2439 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2440 if (error) { 2441 kfree(params.mode_buf, M_SCSICD); 2442 cam_periph_unlock(periph); 2443 break; 2444 } 2445 page = cdgetpage(¶ms); 2446 2447 arg->vol[LEFT_PORT] = 2448 page->audio.port[LEFT_PORT].volume; 2449 arg->vol[RIGHT_PORT] = 2450 page->audio.port[RIGHT_PORT].volume; 2451 arg->vol[2] = page->audio.port[2].volume; 2452 arg->vol[3] = page->audio.port[3].volume; 2453 kfree(params.mode_buf, M_SCSICD); 2454 cam_periph_unlock(periph); 2455 } 2456 break; 2457 case CDIOCSETVOL: 2458 { 2459 struct ioc_vol *arg = (struct ioc_vol *) addr; 2460 struct cd_mode_params params; 2461 union cd_pages *page; 2462 2463 params.alloc_len = sizeof(union cd_mode_data_6_10); 2464 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2465 M_WAITOK | M_ZERO); 2466 2467 cam_periph_lock(periph); 2468 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2469 ("trying to do CDIOCSETVOL\n")); 2470 2471 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2472 if (error) { 2473 kfree(params.mode_buf, M_SCSICD); 2474 cam_periph_unlock(periph); 2475 break; 2476 } 2477 page = cdgetpage(¶ms); 2478 2479 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2480 page->audio.port[LEFT_PORT].volume = 2481 arg->vol[LEFT_PORT]; 2482 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2483 page->audio.port[RIGHT_PORT].volume = 2484 arg->vol[RIGHT_PORT]; 2485 page->audio.port[2].volume = arg->vol[2]; 2486 page->audio.port[3].volume = arg->vol[3]; 2487 error = cdsetmode(periph, ¶ms); 2488 cam_periph_unlock(periph); 2489 kfree(params.mode_buf, M_SCSICD); 2490 } 2491 break; 2492 case CDIOCSETMONO: 2493 { 2494 struct cd_mode_params params; 2495 union cd_pages *page; 2496 2497 params.alloc_len = sizeof(union cd_mode_data_6_10); 2498 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2499 M_WAITOK | M_ZERO); 2500 2501 cam_periph_lock(periph); 2502 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2503 ("trying to do CDIOCSETMONO\n")); 2504 2505 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2506 if (error) { 2507 kfree(params.mode_buf, M_SCSICD); 2508 cam_periph_unlock(periph); 2509 break; 2510 } 2511 page = cdgetpage(¶ms); 2512 2513 page->audio.port[LEFT_PORT].channels = 2514 LEFT_CHANNEL | RIGHT_CHANNEL; 2515 page->audio.port[RIGHT_PORT].channels = 2516 LEFT_CHANNEL | RIGHT_CHANNEL; 2517 page->audio.port[2].channels = 0; 2518 page->audio.port[3].channels = 0; 2519 error = cdsetmode(periph, ¶ms); 2520 cam_periph_unlock(periph); 2521 kfree(params.mode_buf, M_SCSICD); 2522 } 2523 break; 2524 case CDIOCSETSTEREO: 2525 { 2526 struct cd_mode_params params; 2527 union cd_pages *page; 2528 2529 params.alloc_len = sizeof(union cd_mode_data_6_10); 2530 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2531 M_WAITOK | M_ZERO); 2532 2533 cam_periph_lock(periph); 2534 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2535 ("trying to do CDIOCSETSTEREO\n")); 2536 2537 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2538 if (error) { 2539 kfree(params.mode_buf, M_SCSICD); 2540 cam_periph_unlock(periph); 2541 break; 2542 } 2543 page = cdgetpage(¶ms); 2544 2545 page->audio.port[LEFT_PORT].channels = 2546 LEFT_CHANNEL; 2547 page->audio.port[RIGHT_PORT].channels = 2548 RIGHT_CHANNEL; 2549 page->audio.port[2].channels = 0; 2550 page->audio.port[3].channels = 0; 2551 error = cdsetmode(periph, ¶ms); 2552 kfree(params.mode_buf, M_SCSICD); 2553 cam_periph_unlock(periph); 2554 } 2555 break; 2556 case CDIOCSETMUTE: 2557 { 2558 struct cd_mode_params params; 2559 union cd_pages *page; 2560 2561 params.alloc_len = sizeof(union cd_mode_data_6_10); 2562 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2563 M_WAITOK | M_ZERO); 2564 2565 cam_periph_lock(periph); 2566 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2567 ("trying to do CDIOCSETMUTE\n")); 2568 2569 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2570 if (error) { 2571 kfree(¶ms, M_SCSICD); 2572 cam_periph_unlock(periph); 2573 break; 2574 } 2575 page = cdgetpage(¶ms); 2576 2577 page->audio.port[LEFT_PORT].channels = 0; 2578 page->audio.port[RIGHT_PORT].channels = 0; 2579 page->audio.port[2].channels = 0; 2580 page->audio.port[3].channels = 0; 2581 error = cdsetmode(periph, ¶ms); 2582 kfree(params.mode_buf, M_SCSICD); 2583 cam_periph_unlock(periph); 2584 } 2585 break; 2586 case CDIOCSETLEFT: 2587 { 2588 struct cd_mode_params params; 2589 union cd_pages *page; 2590 2591 params.alloc_len = sizeof(union cd_mode_data_6_10); 2592 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2593 M_WAITOK | M_ZERO); 2594 2595 cam_periph_lock(periph); 2596 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2597 ("trying to do CDIOCSETLEFT\n")); 2598 2599 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2600 if (error) { 2601 kfree(params.mode_buf, M_SCSICD); 2602 cam_periph_unlock(periph); 2603 break; 2604 } 2605 page = cdgetpage(¶ms); 2606 2607 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2608 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2609 page->audio.port[2].channels = 0; 2610 page->audio.port[3].channels = 0; 2611 error = cdsetmode(periph, ¶ms); 2612 kfree(params.mode_buf, M_SCSICD); 2613 cam_periph_unlock(periph); 2614 } 2615 break; 2616 case CDIOCSETRIGHT: 2617 { 2618 struct cd_mode_params params; 2619 union cd_pages *page; 2620 2621 params.alloc_len = sizeof(union cd_mode_data_6_10); 2622 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2623 M_WAITOK | M_ZERO); 2624 2625 cam_periph_lock(periph); 2626 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2627 ("trying to do CDIOCSETRIGHT\n")); 2628 2629 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2630 if (error) { 2631 kfree(params.mode_buf, M_SCSICD); 2632 cam_periph_unlock(periph); 2633 break; 2634 } 2635 page = cdgetpage(¶ms); 2636 2637 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2638 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2639 page->audio.port[2].channels = 0; 2640 page->audio.port[3].channels = 0; 2641 error = cdsetmode(periph, ¶ms); 2642 kfree(params.mode_buf, M_SCSICD); 2643 cam_periph_unlock(periph); 2644 } 2645 break; 2646 case CDIOCRESUME: 2647 cam_periph_lock(periph); 2648 error = cdpause(periph, 1); 2649 cam_periph_unlock(periph); 2650 break; 2651 case CDIOCPAUSE: 2652 cam_periph_lock(periph); 2653 error = cdpause(periph, 0); 2654 cam_periph_unlock(periph); 2655 break; 2656 case CDIOCSTART: 2657 cam_periph_lock(periph); 2658 error = cdstartunit(periph, 0); 2659 cam_periph_unlock(periph); 2660 break; 2661 case CDIOCCLOSE: 2662 cam_periph_lock(periph); 2663 error = cdstartunit(periph, 1); 2664 cam_periph_unlock(periph); 2665 break; 2666 case CDIOCSTOP: 2667 cam_periph_lock(periph); 2668 error = cdstopunit(periph, 0); 2669 cam_periph_unlock(periph); 2670 break; 2671 case CDIOCEJECT: 2672 cam_periph_lock(periph); 2673 error = cdstopunit(periph, 1); 2674 cam_periph_unlock(periph); 2675 break; 2676 case CDIOCALLOW: 2677 cam_periph_lock(periph); 2678 cdprevent(periph, PR_ALLOW); 2679 cam_periph_unlock(periph); 2680 break; 2681 case CDIOCPREVENT: 2682 cam_periph_lock(periph); 2683 cdprevent(periph, PR_PREVENT); 2684 cam_periph_unlock(periph); 2685 break; 2686 case CDIOCSETDEBUG: 2687 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2688 error = ENOTTY; 2689 break; 2690 case CDIOCCLRDEBUG: 2691 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2692 error = ENOTTY; 2693 break; 2694 case CDIOCRESET: 2695 /* return (cd_reset(periph)); */ 2696 error = ENOTTY; 2697 break; 2698 case CDRIOCREADSPEED: 2699 cam_periph_lock(periph); 2700 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2701 cam_periph_unlock(periph); 2702 break; 2703 case CDRIOCWRITESPEED: 2704 cam_periph_lock(periph); 2705 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2706 cam_periph_unlock(periph); 2707 break; 2708 case DVDIOCSENDKEY: 2709 case DVDIOCREPORTKEY: { 2710 struct dvd_authinfo *authinfo; 2711 2712 authinfo = (struct dvd_authinfo *)addr; 2713 2714 cam_periph_lock(periph); 2715 if (ap->a_cmd == DVDIOCREPORTKEY) 2716 error = cdreportkey(periph, authinfo); 2717 else 2718 error = cdsendkey(periph, authinfo); 2719 cam_periph_unlock(periph); 2720 break; 2721 } 2722 case DVDIOCREADSTRUCTURE: { 2723 struct dvd_struct *dvdstruct; 2724 2725 dvdstruct = (struct dvd_struct *)addr; 2726 2727 cam_periph_lock(periph); 2728 error = cdreaddvdstructure(periph, dvdstruct); 2729 cam_periph_unlock(periph); 2730 2731 break; 2732 } 2733 default: 2734 cam_periph_lock(periph); 2735 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2736 cam_periph_unlock(periph); 2737 break; 2738 } 2739 2740 cam_periph_lock(periph); 2741 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2742 cam_periph_unhold(periph, 1); 2743 2744 return (error); 2745 } 2746 2747 static void 2748 cdprevent(struct cam_periph *periph, int action) 2749 { 2750 union ccb *ccb; 2751 struct cd_softc *softc; 2752 int error; 2753 2754 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2755 2756 softc = (struct cd_softc *)periph->softc; 2757 2758 if (((action == PR_ALLOW) 2759 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2760 || ((action == PR_PREVENT) 2761 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2762 return; 2763 } 2764 2765 ccb = cdgetccb(periph, /* priority */ 1); 2766 2767 scsi_prevent(&ccb->csio, 2768 /*retries*/ 1, 2769 cddone, 2770 MSG_SIMPLE_Q_TAG, 2771 action, 2772 SSD_FULL_SIZE, 2773 /* timeout */60000); 2774 2775 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2776 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2777 2778 xpt_release_ccb(ccb); 2779 2780 if (error == 0) { 2781 if (action == PR_ALLOW) 2782 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2783 else 2784 softc->flags |= CD_FLAG_DISC_LOCKED; 2785 } 2786 } 2787 2788 int 2789 cdcheckmedia(struct cam_periph *periph) 2790 { 2791 struct cd_softc *softc; 2792 struct ioc_toc_header *toch; 2793 struct cd_toc_single leadout; 2794 struct ccb_getdev cgd; 2795 u_int32_t size, toclen; 2796 int error, num_entries, cdindex; 2797 int first_track_audio; 2798 struct disk_info info; 2799 2800 softc = (struct cd_softc *)periph->softc; 2801 2802 first_track_audio = -1; 2803 error = 0; 2804 2805 cdprevent(periph, PR_PREVENT); 2806 2807 /* 2808 * Set up disk info fields and tell the disk subsystem to reset 2809 * its internal copy of the label. 2810 */ 2811 bzero(&info, sizeof(info)); 2812 info.d_type = DTYPE_SCSI; 2813 info.d_dsflags &= ~DSO_COMPATLABEL; 2814 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2815 info.d_serialno = xpt_path_serialno(periph->path); 2816 2817 /* 2818 * Grab the inquiry data to get the vendor and product names. 2819 * Put them in the typename and packname for the label. 2820 */ 2821 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2822 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2823 xpt_action((union ccb *)&cgd); 2824 2825 #if 0 2826 strncpy(label->d_typename, cgd.inq_data.vendor, 2827 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2828 strncpy(label->d_packname, cgd.inq_data.product, 2829 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2830 #endif 2831 /* 2832 * Clear the valid media and TOC flags until we've verified that we 2833 * have both. 2834 */ 2835 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2836 2837 /* 2838 * Get the disc size and block size. If we can't get it, we don't 2839 * have media, most likely. 2840 */ 2841 if ((error = cdsize(periph, &size)) != 0) { 2842 /* 2843 * Set a bogus sector size, so the slice code won't try to 2844 * divide by 0 and panic the kernel. 2845 */ 2846 info.d_media_blksize = 2048; 2847 disk_setdiskinfo(&softc->disk, &info); 2848 2849 /* 2850 * Tell devstat(9) we don't have a blocksize. 2851 */ 2852 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2853 2854 cdprevent(periph, PR_ALLOW); 2855 2856 return (error); 2857 } else { 2858 info.d_media_blksize = softc->params.blksize; 2859 info.d_media_blocks = softc->params.disksize; 2860 disk_setdiskinfo(&softc->disk, &info); 2861 2862 /* 2863 * We unconditionally (re)set the blocksize each time the 2864 * CD device is opened. This is because the CD can change, 2865 * and therefore the blocksize might change. 2866 * XXX problems here if some slice or partition is still 2867 * open with the old size? 2868 */ 2869 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2870 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2871 softc->device_stats.block_size = softc->params.blksize; 2872 2873 softc->flags |= CD_FLAG_VALID_MEDIA; 2874 } 2875 2876 /* 2877 * Now we check the table of contents. This (currently) is only 2878 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2879 * things like present a separate entry in /dev for each track, 2880 * like that acd(4) driver does. 2881 */ 2882 bzero(&softc->toc, sizeof(softc->toc)); 2883 toch = &softc->toc.header; 2884 2885 /* 2886 * We will get errors here for media that doesn't have a table of 2887 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2888 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2889 * has not been recorded (no complete session) and the Format codes 2890 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2891 * with an INVALID FIELD IN CDB. Devices that are not capable of 2892 * reading an incomplete session on DDC/CD-R/RW media shall report 2893 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2894 * 2895 * So this isn't fatal if we can't read the table of contents, it 2896 * just means that the user won't be able to issue the play tracks 2897 * ioctl, and likely lots of other stuff won't work either. They 2898 * need to burn the CD before we can do a whole lot with it. So 2899 * we don't print anything here if we get an error back. 2900 */ 2901 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2902 SF_NO_PRINT); 2903 /* 2904 * Errors in reading the table of contents aren't fatal, we just 2905 * won't have a valid table of contents cached. 2906 */ 2907 if (error != 0) { 2908 error = 0; 2909 bzero(&softc->toc, sizeof(softc->toc)); 2910 goto bailout; 2911 } 2912 2913 if (softc->quirks & CD_Q_BCD_TRACKS) { 2914 toch->starting_track = bcd2bin(toch->starting_track); 2915 toch->ending_track = bcd2bin(toch->ending_track); 2916 } 2917 2918 /* Number of TOC entries, plus leadout */ 2919 num_entries = (toch->ending_track - toch->starting_track) + 2; 2920 2921 if (num_entries <= 0) 2922 goto bailout; 2923 2924 toclen = num_entries * sizeof(struct cd_toc_entry); 2925 2926 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2927 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2928 SF_NO_PRINT); 2929 if (error != 0) { 2930 error = 0; 2931 bzero(&softc->toc, sizeof(softc->toc)); 2932 goto bailout; 2933 } 2934 2935 if (softc->quirks & CD_Q_BCD_TRACKS) { 2936 toch->starting_track = bcd2bin(toch->starting_track); 2937 toch->ending_track = bcd2bin(toch->ending_track); 2938 } 2939 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2940 2941 /* 2942 * XXX KDM is this necessary? Probably only if the drive doesn't 2943 * return leadout information with the table of contents. 2944 */ 2945 cdindex = toch->starting_track + num_entries -1; 2946 if (cdindex == toch->ending_track + 1) { 2947 2948 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2949 (u_int8_t *)&leadout, sizeof(leadout), 2950 SF_NO_PRINT); 2951 if (error != 0) { 2952 error = 0; 2953 goto bailout; 2954 } 2955 softc->toc.entries[cdindex - toch->starting_track] = 2956 leadout.entry; 2957 } 2958 if (softc->quirks & CD_Q_BCD_TRACKS) { 2959 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2960 softc->toc.entries[cdindex].track = 2961 bcd2bin(softc->toc.entries[cdindex].track); 2962 } 2963 } 2964 2965 /* 2966 * Run through the TOC entries, find the first entry and determine 2967 * whether it is an audio or data track. 2968 */ 2969 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2970 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2971 if (softc->toc.entries[cdindex].control & 0x04) 2972 first_track_audio = 0; 2973 else 2974 first_track_audio = 1; 2975 break; 2976 } 2977 } 2978 2979 /* 2980 * If first_track_audio is non-zero, we either have an error (e.g. 2981 * couldn't find the starting track) or the first track is an audio 2982 * track. If first_track_audio is 0, the first track is a data 2983 * track that could have a disklabel. Attempt to read the 2984 * disklabel off the media, just in case the user put one there. 2985 */ 2986 if (first_track_audio == 0) { 2987 info.d_dsflags |= DSO_COMPATLABEL; 2988 info.d_dsflags &= ~DSO_NOLABELS; 2989 disk_setdiskinfo(&softc->disk, &info); 2990 } 2991 softc->flags |= CD_FLAG_VALID_TOC; 2992 2993 bailout: 2994 return (error); 2995 } 2996 2997 static int 2998 cdsize(struct cam_periph *periph, u_int32_t *size) 2999 { 3000 struct cd_softc *softc; 3001 union ccb *ccb; 3002 struct scsi_read_capacity_data *rcap_buf; 3003 int error; 3004 3005 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3006 3007 softc = (struct cd_softc *)periph->softc; 3008 3009 ccb = cdgetccb(periph, /* priority */ 1); 3010 3011 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3012 M_SCSICD, M_INTWAIT | M_ZERO); 3013 3014 scsi_read_capacity(&ccb->csio, 3015 /*retries*/ 1, 3016 cddone, 3017 MSG_SIMPLE_Q_TAG, 3018 rcap_buf, 3019 SSD_FULL_SIZE, 3020 /* timeout */20000); 3021 3022 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3023 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3024 3025 xpt_release_ccb(ccb); 3026 3027 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3028 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3029 /* 3030 * SCSI-3 mandates that the reported blocksize shall be 2048. 3031 * Older drives sometimes report funny values, trim it down to 3032 * 2048, or other parts of the kernel will get confused. 3033 * 3034 * XXX we leave drives alone that might report 512 bytes, as 3035 * well as drives reporting more weird sizes like perhaps 4K. 3036 */ 3037 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3038 softc->params.blksize = 2048; 3039 3040 kfree(rcap_buf, M_SCSICD); 3041 *size = softc->params.disksize; 3042 3043 return (error); 3044 3045 } 3046 3047 static int 3048 cd6byteworkaround(union ccb *ccb) 3049 { 3050 u_int8_t *cdb; 3051 struct cam_periph *periph; 3052 struct cd_softc *softc; 3053 struct cd_mode_params *params; 3054 int frozen, found; 3055 3056 periph = xpt_path_periph(ccb->ccb_h.path); 3057 softc = (struct cd_softc *)periph->softc; 3058 3059 cdb = ccb->csio.cdb_io.cdb_bytes; 3060 3061 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3062 || ((cdb[0] != MODE_SENSE_6) 3063 && (cdb[0] != MODE_SELECT_6))) 3064 return (0); 3065 3066 /* 3067 * Because there is no convenient place to stash the overall 3068 * cd_mode_params structure pointer, we have to grab it like this. 3069 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3070 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3071 * 3072 * XXX It would be nice if, at some point, we could increase the 3073 * number of available peripheral private pointers. Both pointers 3074 * are currently used in most every peripheral driver. 3075 */ 3076 found = 0; 3077 3078 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3079 if (params->mode_buf == ccb->csio.data_ptr) { 3080 found = 1; 3081 break; 3082 } 3083 } 3084 3085 /* 3086 * This shouldn't happen. All mode sense and mode select 3087 * operations in the cd(4) driver MUST go through cdgetmode() and 3088 * cdsetmode()! 3089 */ 3090 if (found == 0) { 3091 xpt_print(periph->path, 3092 "mode buffer not found in mode queue!\n"); 3093 return (0); 3094 } 3095 3096 params->cdb_size = 10; 3097 softc->minimum_command_size = 10; 3098 xpt_print(ccb->ccb_h.path, 3099 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3100 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3101 3102 if (cdb[0] == MODE_SENSE_6) { 3103 struct scsi_mode_sense_10 ms10; 3104 struct scsi_mode_sense_6 *ms6; 3105 int len; 3106 3107 ms6 = (struct scsi_mode_sense_6 *)cdb; 3108 3109 bzero(&ms10, sizeof(ms10)); 3110 ms10.opcode = MODE_SENSE_10; 3111 ms10.byte2 = ms6->byte2; 3112 ms10.page = ms6->page; 3113 3114 /* 3115 * 10 byte mode header, block descriptor, 3116 * sizeof(union cd_pages) 3117 */ 3118 len = sizeof(struct cd_mode_data_10); 3119 ccb->csio.dxfer_len = len; 3120 3121 scsi_ulto2b(len, ms10.length); 3122 ms10.control = ms6->control; 3123 bcopy(&ms10, cdb, 10); 3124 ccb->csio.cdb_len = 10; 3125 } else { 3126 struct scsi_mode_select_10 ms10; 3127 struct scsi_mode_select_6 *ms6; 3128 struct scsi_mode_header_6 *header6; 3129 struct scsi_mode_header_10 *header10; 3130 struct scsi_mode_page_header *page_header; 3131 int blk_desc_len, page_num, page_size, len; 3132 3133 ms6 = (struct scsi_mode_select_6 *)cdb; 3134 3135 bzero(&ms10, sizeof(ms10)); 3136 ms10.opcode = MODE_SELECT_10; 3137 ms10.byte2 = ms6->byte2; 3138 3139 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3140 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3141 3142 page_header = find_mode_page_6(header6); 3143 page_num = page_header->page_code; 3144 3145 blk_desc_len = header6->blk_desc_len; 3146 3147 page_size = cdgetpagesize(page_num); 3148 3149 if (page_size != (page_header->page_length + 3150 sizeof(*page_header))) 3151 page_size = page_header->page_length + 3152 sizeof(*page_header); 3153 3154 len = sizeof(*header10) + blk_desc_len + page_size; 3155 3156 len = min(params->alloc_len, len); 3157 3158 /* 3159 * Since the 6 byte parameter header is shorter than the 10 3160 * byte parameter header, we need to copy the actual mode 3161 * page data, and the block descriptor, if any, so things wind 3162 * up in the right place. The regions will overlap, but 3163 * bcopy() does the right thing. 3164 */ 3165 bcopy(params->mode_buf + sizeof(*header6), 3166 params->mode_buf + sizeof(*header10), 3167 len - sizeof(*header10)); 3168 3169 /* Make sure these fields are set correctly. */ 3170 scsi_ulto2b(0, header10->data_length); 3171 header10->medium_type = 0; 3172 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3173 3174 ccb->csio.dxfer_len = len; 3175 3176 scsi_ulto2b(len, ms10.length); 3177 ms10.control = ms6->control; 3178 bcopy(&ms10, cdb, 10); 3179 ccb->csio.cdb_len = 10; 3180 } 3181 3182 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3183 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3184 xpt_action(ccb); 3185 if (frozen) { 3186 cam_release_devq(ccb->ccb_h.path, 3187 /*relsim_flags*/0, 3188 /*openings*/0, 3189 /*timeout*/0, 3190 /*getcount_only*/0); 3191 } 3192 3193 return (ERESTART); 3194 } 3195 3196 static int 3197 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3198 { 3199 struct cd_softc *softc; 3200 struct cam_periph *periph; 3201 int error; 3202 3203 periph = xpt_path_periph(ccb->ccb_h.path); 3204 softc = (struct cd_softc *)periph->softc; 3205 3206 error = 0; 3207 3208 /* 3209 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3210 * CDB comes back with this particular error, try transforming it 3211 * into the 10 byte version. 3212 */ 3213 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3214 error = cd6byteworkaround(ccb); 3215 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3216 CAM_SCSI_STATUS_ERROR) 3217 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3218 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3219 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3220 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3221 int sense_key, error_code, asc, ascq; 3222 3223 scsi_extract_sense(&ccb->csio.sense_data, 3224 &error_code, &sense_key, &asc, &ascq); 3225 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3226 error = cd6byteworkaround(ccb); 3227 } 3228 3229 if (error == ERESTART) 3230 return (error); 3231 3232 /* 3233 * XXX 3234 * Until we have a better way of doing pack validation, 3235 * don't treat UAs as errors. 3236 */ 3237 sense_flags |= SF_RETRY_UA; 3238 return (cam_periph_error(ccb, cam_flags, sense_flags, 3239 &softc->saved_ccb)); 3240 } 3241 3242 /* 3243 * Read table of contents 3244 */ 3245 static int 3246 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3247 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3248 { 3249 struct scsi_read_toc *scsi_cmd; 3250 u_int32_t ntoc; 3251 struct ccb_scsiio *csio; 3252 union ccb *ccb; 3253 int error; 3254 3255 ntoc = len; 3256 error = 0; 3257 3258 ccb = cdgetccb(periph, /* priority */ 1); 3259 3260 csio = &ccb->csio; 3261 3262 cam_fill_csio(csio, 3263 /* retries */ 1, 3264 /* cbfcnp */ cddone, 3265 /* flags */ CAM_DIR_IN, 3266 /* tag_action */ MSG_SIMPLE_Q_TAG, 3267 /* data_ptr */ data, 3268 /* dxfer_len */ len, 3269 /* sense_len */ SSD_FULL_SIZE, 3270 sizeof(struct scsi_read_toc), 3271 /* timeout */ 50000); 3272 3273 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3274 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3275 3276 if (mode == CD_MSF_FORMAT) 3277 scsi_cmd->byte2 |= CD_MSF; 3278 scsi_cmd->from_track = start; 3279 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3280 scsi_cmd->data_len[0] = (ntoc) >> 8; 3281 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3282 3283 scsi_cmd->op_code = READ_TOC; 3284 3285 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3286 /*sense_flags*/SF_RETRY_UA | sense_flags); 3287 3288 xpt_release_ccb(ccb); 3289 3290 return(error); 3291 } 3292 3293 static int 3294 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3295 u_int32_t format, int track, 3296 struct cd_sub_channel_info *data, u_int32_t len) 3297 { 3298 struct scsi_read_subchannel *scsi_cmd; 3299 struct ccb_scsiio *csio; 3300 union ccb *ccb; 3301 int error; 3302 3303 error = 0; 3304 3305 ccb = cdgetccb(periph, /* priority */ 1); 3306 3307 csio = &ccb->csio; 3308 3309 cam_fill_csio(csio, 3310 /* retries */ 1, 3311 /* cbfcnp */ cddone, 3312 /* flags */ CAM_DIR_IN, 3313 /* tag_action */ MSG_SIMPLE_Q_TAG, 3314 /* data_ptr */ (u_int8_t *)data, 3315 /* dxfer_len */ len, 3316 /* sense_len */ SSD_FULL_SIZE, 3317 sizeof(struct scsi_read_subchannel), 3318 /* timeout */ 50000); 3319 3320 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3321 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3322 3323 scsi_cmd->op_code = READ_SUBCHANNEL; 3324 if (mode == CD_MSF_FORMAT) 3325 scsi_cmd->byte1 |= CD_MSF; 3326 scsi_cmd->byte2 = SRS_SUBQ; 3327 scsi_cmd->subchan_format = format; 3328 scsi_cmd->track = track; 3329 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3330 scsi_cmd->control = 0; 3331 3332 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3333 /*sense_flags*/SF_RETRY_UA); 3334 3335 xpt_release_ccb(ccb); 3336 3337 return(error); 3338 } 3339 3340 /* 3341 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3342 * routine. See comments in cd6byteworkaround() for details. 3343 */ 3344 static int 3345 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3346 u_int32_t page) 3347 { 3348 struct ccb_scsiio *csio; 3349 struct cd_softc *softc; 3350 union ccb *ccb; 3351 int param_len; 3352 int error; 3353 3354 softc = (struct cd_softc *)periph->softc; 3355 3356 ccb = cdgetccb(periph, /* priority */ 1); 3357 3358 csio = &ccb->csio; 3359 3360 data->cdb_size = softc->minimum_command_size; 3361 if (data->cdb_size < 10) 3362 param_len = sizeof(struct cd_mode_data); 3363 else 3364 param_len = sizeof(struct cd_mode_data_10); 3365 3366 /* Don't say we've got more room than we actually allocated */ 3367 param_len = min(param_len, data->alloc_len); 3368 3369 scsi_mode_sense_len(csio, 3370 /* retries */ 1, 3371 /* cbfcnp */ cddone, 3372 /* tag_action */ MSG_SIMPLE_Q_TAG, 3373 /* dbd */ 0, 3374 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3375 /* page */ page, 3376 /* param_buf */ data->mode_buf, 3377 /* param_len */ param_len, 3378 /* minimum_cmd_size */ softc->minimum_command_size, 3379 /* sense_len */ SSD_FULL_SIZE, 3380 /* timeout */ 50000); 3381 3382 /* 3383 * It would be nice not to have to do this, but there's no 3384 * available pointer in the CCB that would allow us to stuff the 3385 * mode params structure in there and retrieve it in 3386 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3387 * lets the caller know what CDB size we ended up using, so they 3388 * can find the actual mode page offset. 3389 */ 3390 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3391 3392 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3393 /*sense_flags*/SF_RETRY_UA); 3394 3395 xpt_release_ccb(ccb); 3396 3397 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3398 3399 /* 3400 * This is a bit of belt-and-suspenders checking, but if we run 3401 * into a situation where the target sends back multiple block 3402 * descriptors, we might not have enough space in the buffer to 3403 * see the whole mode page. Better to return an error than 3404 * potentially access memory beyond our malloced region. 3405 */ 3406 if (error == 0) { 3407 u_int32_t data_len; 3408 3409 if (data->cdb_size == 10) { 3410 struct scsi_mode_header_10 *hdr10; 3411 3412 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3413 data_len = scsi_2btoul(hdr10->data_length); 3414 data_len += sizeof(hdr10->data_length); 3415 } else { 3416 struct scsi_mode_header_6 *hdr6; 3417 3418 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3419 data_len = hdr6->data_length; 3420 data_len += sizeof(hdr6->data_length); 3421 } 3422 3423 /* 3424 * Complain if there is more mode data available than we 3425 * allocated space for. This could potentially happen if 3426 * we miscalculated the page length for some reason, if the 3427 * drive returns multiple block descriptors, or if it sets 3428 * the data length incorrectly. 3429 */ 3430 if (data_len > data->alloc_len) { 3431 xpt_print(periph->path, "allocated modepage %d length " 3432 "%d < returned length %d\n", page, data->alloc_len, 3433 data_len); 3434 error = ENOSPC; 3435 } 3436 } 3437 return (error); 3438 } 3439 3440 /* 3441 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3442 * routine. See comments in cd6byteworkaround() for details. 3443 */ 3444 static int 3445 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3446 { 3447 struct ccb_scsiio *csio; 3448 struct cd_softc *softc; 3449 union ccb *ccb; 3450 int cdb_size, param_len; 3451 int error; 3452 3453 softc = (struct cd_softc *)periph->softc; 3454 3455 ccb = cdgetccb(periph, /* priority */ 1); 3456 3457 csio = &ccb->csio; 3458 3459 error = 0; 3460 3461 /* 3462 * If the data is formatted for the 10 byte version of the mode 3463 * select parameter list, we need to use the 10 byte CDB. 3464 * Otherwise, we use whatever the stored minimum command size. 3465 */ 3466 if (data->cdb_size == 10) 3467 cdb_size = data->cdb_size; 3468 else 3469 cdb_size = softc->minimum_command_size; 3470 3471 if (cdb_size >= 10) { 3472 struct scsi_mode_header_10 *mode_header; 3473 u_int32_t data_len; 3474 3475 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3476 3477 data_len = scsi_2btoul(mode_header->data_length); 3478 3479 scsi_ulto2b(0, mode_header->data_length); 3480 /* 3481 * SONY drives do not allow a mode select with a medium_type 3482 * value that has just been returned by a mode sense; use a 3483 * medium_type of 0 (Default) instead. 3484 */ 3485 mode_header->medium_type = 0; 3486 3487 /* 3488 * Pass back whatever the drive passed to us, plus the size 3489 * of the data length field. 3490 */ 3491 param_len = data_len + sizeof(mode_header->data_length); 3492 3493 } else { 3494 struct scsi_mode_header_6 *mode_header; 3495 3496 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3497 3498 param_len = mode_header->data_length + 1; 3499 3500 mode_header->data_length = 0; 3501 /* 3502 * SONY drives do not allow a mode select with a medium_type 3503 * value that has just been returned by a mode sense; use a 3504 * medium_type of 0 (Default) instead. 3505 */ 3506 mode_header->medium_type = 0; 3507 } 3508 3509 /* Don't say we've got more room than we actually allocated */ 3510 param_len = min(param_len, data->alloc_len); 3511 3512 scsi_mode_select_len(csio, 3513 /* retries */ 1, 3514 /* cbfcnp */ cddone, 3515 /* tag_action */ MSG_SIMPLE_Q_TAG, 3516 /* scsi_page_fmt */ 1, 3517 /* save_pages */ 0, 3518 /* param_buf */ data->mode_buf, 3519 /* param_len */ param_len, 3520 /* minimum_cmd_size */ cdb_size, 3521 /* sense_len */ SSD_FULL_SIZE, 3522 /* timeout */ 50000); 3523 3524 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3525 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3526 3527 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3528 /*sense_flags*/SF_RETRY_UA); 3529 3530 xpt_release_ccb(ccb); 3531 3532 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3533 3534 return (error); 3535 } 3536 3537 3538 3539 static int 3540 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3541 { 3542 struct ccb_scsiio *csio; 3543 union ccb *ccb; 3544 int error; 3545 u_int8_t cdb_len; 3546 3547 error = 0; 3548 ccb = cdgetccb(periph, /* priority */ 1); 3549 csio = &ccb->csio; 3550 /* 3551 * Use the smallest possible command to perform the operation. 3552 */ 3553 if ((len & 0xffff0000) == 0) { 3554 /* 3555 * We can fit in a 10 byte cdb. 3556 */ 3557 struct scsi_play_10 *scsi_cmd; 3558 3559 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3560 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3561 scsi_cmd->op_code = PLAY_10; 3562 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3563 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3564 cdb_len = sizeof(*scsi_cmd); 3565 } else { 3566 struct scsi_play_12 *scsi_cmd; 3567 3568 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3569 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3570 scsi_cmd->op_code = PLAY_12; 3571 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3572 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3573 cdb_len = sizeof(*scsi_cmd); 3574 } 3575 cam_fill_csio(csio, 3576 /*retries*/2, 3577 cddone, 3578 /*flags*/CAM_DIR_NONE, 3579 MSG_SIMPLE_Q_TAG, 3580 /*dataptr*/NULL, 3581 /*datalen*/0, 3582 /*sense_len*/SSD_FULL_SIZE, 3583 cdb_len, 3584 /*timeout*/50 * 1000); 3585 3586 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3587 /*sense_flags*/SF_RETRY_UA); 3588 3589 xpt_release_ccb(ccb); 3590 3591 return(error); 3592 } 3593 3594 static int 3595 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3596 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3597 { 3598 struct scsi_play_msf *scsi_cmd; 3599 struct ccb_scsiio *csio; 3600 union ccb *ccb; 3601 int error; 3602 3603 error = 0; 3604 3605 ccb = cdgetccb(periph, /* priority */ 1); 3606 3607 csio = &ccb->csio; 3608 3609 cam_fill_csio(csio, 3610 /* retries */ 1, 3611 /* cbfcnp */ cddone, 3612 /* flags */ CAM_DIR_NONE, 3613 /* tag_action */ MSG_SIMPLE_Q_TAG, 3614 /* data_ptr */ NULL, 3615 /* dxfer_len */ 0, 3616 /* sense_len */ SSD_FULL_SIZE, 3617 sizeof(struct scsi_play_msf), 3618 /* timeout */ 50000); 3619 3620 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3621 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3622 3623 scsi_cmd->op_code = PLAY_MSF; 3624 scsi_cmd->start_m = startm; 3625 scsi_cmd->start_s = starts; 3626 scsi_cmd->start_f = startf; 3627 scsi_cmd->end_m = endm; 3628 scsi_cmd->end_s = ends; 3629 scsi_cmd->end_f = endf; 3630 3631 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3632 /*sense_flags*/SF_RETRY_UA); 3633 3634 xpt_release_ccb(ccb); 3635 3636 return(error); 3637 } 3638 3639 3640 static int 3641 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3642 u_int32_t etrack, u_int32_t eindex) 3643 { 3644 struct scsi_play_track *scsi_cmd; 3645 struct ccb_scsiio *csio; 3646 union ccb *ccb; 3647 int error; 3648 3649 error = 0; 3650 3651 ccb = cdgetccb(periph, /* priority */ 1); 3652 3653 csio = &ccb->csio; 3654 3655 cam_fill_csio(csio, 3656 /* retries */ 1, 3657 /* cbfcnp */ cddone, 3658 /* flags */ CAM_DIR_NONE, 3659 /* tag_action */ MSG_SIMPLE_Q_TAG, 3660 /* data_ptr */ NULL, 3661 /* dxfer_len */ 0, 3662 /* sense_len */ SSD_FULL_SIZE, 3663 sizeof(struct scsi_play_track), 3664 /* timeout */ 50000); 3665 3666 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3667 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3668 3669 scsi_cmd->op_code = PLAY_TRACK; 3670 scsi_cmd->start_track = strack; 3671 scsi_cmd->start_index = sindex; 3672 scsi_cmd->end_track = etrack; 3673 scsi_cmd->end_index = eindex; 3674 3675 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3676 /*sense_flags*/SF_RETRY_UA); 3677 3678 xpt_release_ccb(ccb); 3679 3680 return(error); 3681 } 3682 3683 static int 3684 cdpause(struct cam_periph *periph, u_int32_t go) 3685 { 3686 struct scsi_pause *scsi_cmd; 3687 struct ccb_scsiio *csio; 3688 union ccb *ccb; 3689 int error; 3690 3691 error = 0; 3692 3693 ccb = cdgetccb(periph, /* priority */ 1); 3694 3695 csio = &ccb->csio; 3696 3697 cam_fill_csio(csio, 3698 /* retries */ 1, 3699 /* cbfcnp */ cddone, 3700 /* flags */ CAM_DIR_NONE, 3701 /* tag_action */ MSG_SIMPLE_Q_TAG, 3702 /* data_ptr */ NULL, 3703 /* dxfer_len */ 0, 3704 /* sense_len */ SSD_FULL_SIZE, 3705 sizeof(struct scsi_pause), 3706 /* timeout */ 50000); 3707 3708 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3709 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3710 3711 scsi_cmd->op_code = PAUSE; 3712 scsi_cmd->resume = go; 3713 3714 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3715 /*sense_flags*/SF_RETRY_UA); 3716 3717 xpt_release_ccb(ccb); 3718 3719 return(error); 3720 } 3721 3722 static int 3723 cdstartunit(struct cam_periph *periph, int load) 3724 { 3725 union ccb *ccb; 3726 int error; 3727 3728 error = 0; 3729 3730 ccb = cdgetccb(periph, /* priority */ 1); 3731 3732 scsi_start_stop(&ccb->csio, 3733 /* retries */ 1, 3734 /* cbfcnp */ cddone, 3735 /* tag_action */ MSG_SIMPLE_Q_TAG, 3736 /* start */ TRUE, 3737 /* load_eject */ load, 3738 /* immediate */ FALSE, 3739 /* sense_len */ SSD_FULL_SIZE, 3740 /* timeout */ 50000); 3741 3742 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3743 /*sense_flags*/SF_RETRY_UA); 3744 3745 xpt_release_ccb(ccb); 3746 3747 return(error); 3748 } 3749 3750 static int 3751 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3752 { 3753 union ccb *ccb; 3754 int error; 3755 3756 error = 0; 3757 3758 ccb = cdgetccb(periph, /* priority */ 1); 3759 3760 scsi_start_stop(&ccb->csio, 3761 /* retries */ 1, 3762 /* cbfcnp */ cddone, 3763 /* tag_action */ MSG_SIMPLE_Q_TAG, 3764 /* start */ FALSE, 3765 /* load_eject */ eject, 3766 /* immediate */ FALSE, 3767 /* sense_len */ SSD_FULL_SIZE, 3768 /* timeout */ 50000); 3769 3770 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3771 /*sense_flags*/SF_RETRY_UA); 3772 3773 xpt_release_ccb(ccb); 3774 3775 return(error); 3776 } 3777 3778 static int 3779 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3780 { 3781 struct scsi_set_speed *scsi_cmd; 3782 struct ccb_scsiio *csio; 3783 union ccb *ccb; 3784 int error; 3785 3786 error = 0; 3787 ccb = cdgetccb(periph, /* priority */ 1); 3788 csio = &ccb->csio; 3789 3790 /* Preserve old behavior: units in multiples of CDROM speed */ 3791 if (rdspeed < 177) 3792 rdspeed *= 177; 3793 if (wrspeed < 177) 3794 wrspeed *= 177; 3795 3796 cam_fill_csio(csio, 3797 /* retries */ 1, 3798 /* cbfcnp */ cddone, 3799 /* flags */ CAM_DIR_NONE, 3800 /* tag_action */ MSG_SIMPLE_Q_TAG, 3801 /* data_ptr */ NULL, 3802 /* dxfer_len */ 0, 3803 /* sense_len */ SSD_FULL_SIZE, 3804 sizeof(struct scsi_set_speed), 3805 /* timeout */ 50000); 3806 3807 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3808 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3809 3810 scsi_cmd->opcode = SET_CD_SPEED; 3811 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3812 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3813 3814 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3815 /*sense_flags*/SF_RETRY_UA); 3816 3817 xpt_release_ccb(ccb); 3818 3819 return(error); 3820 } 3821 3822 static int 3823 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3824 { 3825 union ccb *ccb; 3826 u_int8_t *databuf; 3827 u_int32_t lba; 3828 int error; 3829 int length; 3830 3831 error = 0; 3832 databuf = NULL; 3833 lba = 0; 3834 3835 ccb = cdgetccb(periph, /* priority */ 1); 3836 3837 switch (authinfo->format) { 3838 case DVD_REPORT_AGID: 3839 length = sizeof(struct scsi_report_key_data_agid); 3840 break; 3841 case DVD_REPORT_CHALLENGE: 3842 length = sizeof(struct scsi_report_key_data_challenge); 3843 break; 3844 case DVD_REPORT_KEY1: 3845 length = sizeof(struct scsi_report_key_data_key1_key2); 3846 break; 3847 case DVD_REPORT_TITLE_KEY: 3848 length = sizeof(struct scsi_report_key_data_title); 3849 /* The lba field is only set for the title key */ 3850 lba = authinfo->lba; 3851 break; 3852 case DVD_REPORT_ASF: 3853 length = sizeof(struct scsi_report_key_data_asf); 3854 break; 3855 case DVD_REPORT_RPC: 3856 length = sizeof(struct scsi_report_key_data_rpc); 3857 break; 3858 case DVD_INVALIDATE_AGID: 3859 length = 0; 3860 break; 3861 default: 3862 error = EINVAL; 3863 goto bailout; 3864 break; /* NOTREACHED */ 3865 } 3866 3867 if (length != 0) { 3868 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3869 } else { 3870 databuf = NULL; 3871 } 3872 3873 3874 scsi_report_key(&ccb->csio, 3875 /* retries */ 1, 3876 /* cbfcnp */ cddone, 3877 /* tag_action */ MSG_SIMPLE_Q_TAG, 3878 /* lba */ lba, 3879 /* agid */ authinfo->agid, 3880 /* key_format */ authinfo->format, 3881 /* data_ptr */ databuf, 3882 /* dxfer_len */ length, 3883 /* sense_len */ SSD_FULL_SIZE, 3884 /* timeout */ 50000); 3885 3886 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3887 /*sense_flags*/SF_RETRY_UA); 3888 3889 if (error != 0) 3890 goto bailout; 3891 3892 if (ccb->csio.resid != 0) { 3893 xpt_print(periph->path, "warning, residual for report key " 3894 "command is %d\n", ccb->csio.resid); 3895 } 3896 3897 switch(authinfo->format) { 3898 case DVD_REPORT_AGID: { 3899 struct scsi_report_key_data_agid *agid_data; 3900 3901 agid_data = (struct scsi_report_key_data_agid *)databuf; 3902 3903 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3904 RKD_AGID_SHIFT; 3905 break; 3906 } 3907 case DVD_REPORT_CHALLENGE: { 3908 struct scsi_report_key_data_challenge *chal_data; 3909 3910 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3911 3912 bcopy(chal_data->challenge_key, authinfo->keychal, 3913 min(sizeof(chal_data->challenge_key), 3914 sizeof(authinfo->keychal))); 3915 break; 3916 } 3917 case DVD_REPORT_KEY1: { 3918 struct scsi_report_key_data_key1_key2 *key1_data; 3919 3920 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3921 3922 bcopy(key1_data->key1, authinfo->keychal, 3923 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3924 break; 3925 } 3926 case DVD_REPORT_TITLE_KEY: { 3927 struct scsi_report_key_data_title *title_data; 3928 3929 title_data = (struct scsi_report_key_data_title *)databuf; 3930 3931 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3932 RKD_TITLE_CPM_SHIFT; 3933 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3934 RKD_TITLE_CP_SEC_SHIFT; 3935 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3936 RKD_TITLE_CMGS_SHIFT; 3937 bcopy(title_data->title_key, authinfo->keychal, 3938 min(sizeof(title_data->title_key), 3939 sizeof(authinfo->keychal))); 3940 break; 3941 } 3942 case DVD_REPORT_ASF: { 3943 struct scsi_report_key_data_asf *asf_data; 3944 3945 asf_data = (struct scsi_report_key_data_asf *)databuf; 3946 3947 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3948 break; 3949 } 3950 case DVD_REPORT_RPC: { 3951 struct scsi_report_key_data_rpc *rpc_data; 3952 3953 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3954 3955 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3956 RKD_RPC_TYPE_SHIFT; 3957 authinfo->vend_rsts = 3958 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3959 RKD_RPC_VENDOR_RESET_SHIFT; 3960 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3961 authinfo->region = rpc_data->region_mask; 3962 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3963 break; 3964 } 3965 case DVD_INVALIDATE_AGID: 3966 break; 3967 default: 3968 /* This should be impossible, since we checked above */ 3969 error = EINVAL; 3970 goto bailout; 3971 break; /* NOTREACHED */ 3972 } 3973 bailout: 3974 if (databuf != NULL) 3975 kfree(databuf, M_DEVBUF); 3976 3977 xpt_release_ccb(ccb); 3978 3979 return(error); 3980 } 3981 3982 static int 3983 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3984 { 3985 union ccb *ccb; 3986 u_int8_t *databuf; 3987 int length; 3988 int error; 3989 3990 error = 0; 3991 databuf = NULL; 3992 3993 ccb = cdgetccb(periph, /* priority */ 1); 3994 3995 switch(authinfo->format) { 3996 case DVD_SEND_CHALLENGE: { 3997 struct scsi_report_key_data_challenge *challenge_data; 3998 3999 length = sizeof(*challenge_data); 4000 4001 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4002 4003 databuf = (u_int8_t *)challenge_data; 4004 4005 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4006 challenge_data->data_len); 4007 4008 bcopy(authinfo->keychal, challenge_data->challenge_key, 4009 min(sizeof(authinfo->keychal), 4010 sizeof(challenge_data->challenge_key))); 4011 break; 4012 } 4013 case DVD_SEND_KEY2: { 4014 struct scsi_report_key_data_key1_key2 *key2_data; 4015 4016 length = sizeof(*key2_data); 4017 4018 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4019 4020 databuf = (u_int8_t *)key2_data; 4021 4022 scsi_ulto2b(length - sizeof(key2_data->data_len), 4023 key2_data->data_len); 4024 4025 bcopy(authinfo->keychal, key2_data->key1, 4026 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4027 4028 break; 4029 } 4030 case DVD_SEND_RPC: { 4031 struct scsi_send_key_data_rpc *rpc_data; 4032 4033 length = sizeof(*rpc_data); 4034 4035 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4036 4037 databuf = (u_int8_t *)rpc_data; 4038 4039 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4040 rpc_data->data_len); 4041 4042 rpc_data->region_code = authinfo->region; 4043 break; 4044 } 4045 default: 4046 error = EINVAL; 4047 goto bailout; 4048 break; /* NOTREACHED */ 4049 } 4050 4051 scsi_send_key(&ccb->csio, 4052 /* retries */ 1, 4053 /* cbfcnp */ cddone, 4054 /* tag_action */ MSG_SIMPLE_Q_TAG, 4055 /* agid */ authinfo->agid, 4056 /* key_format */ authinfo->format, 4057 /* data_ptr */ databuf, 4058 /* dxfer_len */ length, 4059 /* sense_len */ SSD_FULL_SIZE, 4060 /* timeout */ 50000); 4061 4062 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4063 /*sense_flags*/SF_RETRY_UA); 4064 4065 bailout: 4066 4067 if (databuf != NULL) 4068 kfree(databuf, M_DEVBUF); 4069 4070 xpt_release_ccb(ccb); 4071 4072 return(error); 4073 } 4074 4075 static int 4076 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4077 { 4078 union ccb *ccb; 4079 u_int8_t *databuf; 4080 u_int32_t address; 4081 int error; 4082 int length; 4083 4084 error = 0; 4085 databuf = NULL; 4086 /* The address is reserved for many of the formats */ 4087 address = 0; 4088 4089 ccb = cdgetccb(periph, /* priority */ 1); 4090 4091 switch(dvdstruct->format) { 4092 case DVD_STRUCT_PHYSICAL: 4093 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4094 break; 4095 case DVD_STRUCT_COPYRIGHT: 4096 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4097 break; 4098 case DVD_STRUCT_DISCKEY: 4099 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4100 break; 4101 case DVD_STRUCT_BCA: 4102 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4103 break; 4104 case DVD_STRUCT_MANUFACT: 4105 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4106 break; 4107 case DVD_STRUCT_CMI: 4108 error = ENODEV; 4109 goto bailout; 4110 #ifdef notyet 4111 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4112 address = dvdstruct->address; 4113 #endif 4114 break; /* NOTREACHED */ 4115 case DVD_STRUCT_PROTDISCID: 4116 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4117 break; 4118 case DVD_STRUCT_DISCKEYBLOCK: 4119 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4120 break; 4121 case DVD_STRUCT_DDS: 4122 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4123 break; 4124 case DVD_STRUCT_MEDIUM_STAT: 4125 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4126 break; 4127 case DVD_STRUCT_SPARE_AREA: 4128 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4129 break; 4130 case DVD_STRUCT_RMD_LAST: 4131 error = ENODEV; 4132 goto bailout; 4133 #ifdef notyet 4134 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4135 address = dvdstruct->address; 4136 #endif 4137 break; /* NOTREACHED */ 4138 case DVD_STRUCT_RMD_RMA: 4139 error = ENODEV; 4140 goto bailout; 4141 #ifdef notyet 4142 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4143 address = dvdstruct->address; 4144 #endif 4145 break; /* NOTREACHED */ 4146 case DVD_STRUCT_PRERECORDED: 4147 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4148 break; 4149 case DVD_STRUCT_UNIQUEID: 4150 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4151 break; 4152 case DVD_STRUCT_DCB: 4153 error = ENODEV; 4154 goto bailout; 4155 #ifdef notyet 4156 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4157 address = dvdstruct->address; 4158 #endif 4159 break; /* NOTREACHED */ 4160 case DVD_STRUCT_LIST: 4161 /* 4162 * This is the maximum allocation length for the READ DVD 4163 * STRUCTURE command. There's nothing in the MMC3 spec 4164 * that indicates a limit in the amount of data that can 4165 * be returned from this call, other than the limits 4166 * imposed by the 2-byte length variables. 4167 */ 4168 length = 65535; 4169 break; 4170 default: 4171 error = EINVAL; 4172 goto bailout; 4173 break; /* NOTREACHED */ 4174 } 4175 4176 if (length != 0) { 4177 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4178 } else { 4179 databuf = NULL; 4180 } 4181 4182 scsi_read_dvd_structure(&ccb->csio, 4183 /* retries */ 1, 4184 /* cbfcnp */ cddone, 4185 /* tag_action */ MSG_SIMPLE_Q_TAG, 4186 /* lba */ address, 4187 /* layer_number */ dvdstruct->layer_num, 4188 /* key_format */ dvdstruct->format, 4189 /* agid */ dvdstruct->agid, 4190 /* data_ptr */ databuf, 4191 /* dxfer_len */ length, 4192 /* sense_len */ SSD_FULL_SIZE, 4193 /* timeout */ 50000); 4194 4195 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4196 /*sense_flags*/SF_RETRY_UA); 4197 4198 if (error != 0) 4199 goto bailout; 4200 4201 switch(dvdstruct->format) { 4202 case DVD_STRUCT_PHYSICAL: { 4203 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4204 struct dvd_layer *outlayer; 4205 struct scsi_read_dvd_struct_data_physical *phys_data; 4206 4207 phys_data = 4208 (struct scsi_read_dvd_struct_data_physical *)databuf; 4209 inlayer = &phys_data->layer_desc; 4210 outlayer = (struct dvd_layer *)&dvdstruct->data; 4211 4212 dvdstruct->length = sizeof(*inlayer); 4213 4214 outlayer->book_type = (inlayer->book_type_version & 4215 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4216 outlayer->book_version = (inlayer->book_type_version & 4217 RDSD_BOOK_VERSION_MASK); 4218 outlayer->disc_size = (inlayer->disc_size_max_rate & 4219 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4220 outlayer->max_rate = (inlayer->disc_size_max_rate & 4221 RDSD_MAX_RATE_MASK); 4222 outlayer->nlayers = (inlayer->layer_info & 4223 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4224 outlayer->track_path = (inlayer->layer_info & 4225 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4226 outlayer->layer_type = (inlayer->layer_info & 4227 RDSD_LAYER_TYPE_MASK); 4228 outlayer->linear_density = (inlayer->density & 4229 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4230 outlayer->track_density = (inlayer->density & 4231 RDSD_TRACK_DENSITY_MASK); 4232 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4233 RDSD_BCA_SHIFT; 4234 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4235 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4236 outlayer->end_sector_l0 = 4237 scsi_3btoul(inlayer->end_sector_layer0); 4238 break; 4239 } 4240 case DVD_STRUCT_COPYRIGHT: { 4241 struct scsi_read_dvd_struct_data_copyright *copy_data; 4242 4243 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4244 databuf; 4245 4246 dvdstruct->cpst = copy_data->cps_type; 4247 dvdstruct->rmi = copy_data->region_info; 4248 dvdstruct->length = 0; 4249 4250 break; 4251 } 4252 default: 4253 /* 4254 * Tell the user what the overall length is, no matter 4255 * what we can actually fit in the data buffer. 4256 */ 4257 dvdstruct->length = length - ccb->csio.resid - 4258 sizeof(struct scsi_read_dvd_struct_data_header); 4259 4260 /* 4261 * But only actually copy out the smaller of what we read 4262 * in or what the structure can take. 4263 */ 4264 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4265 dvdstruct->data, 4266 min(sizeof(dvdstruct->data), dvdstruct->length)); 4267 break; 4268 } 4269 bailout: 4270 4271 if (databuf != NULL) 4272 kfree(databuf, M_DEVBUF); 4273 4274 xpt_release_ccb(ccb); 4275 4276 return(error); 4277 } 4278 4279 void 4280 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4281 void (*cbfcnp)(struct cam_periph *, union ccb *), 4282 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4283 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4284 u_int8_t sense_len, u_int32_t timeout) 4285 { 4286 struct scsi_report_key *scsi_cmd; 4287 4288 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4289 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4290 scsi_cmd->opcode = REPORT_KEY; 4291 scsi_ulto4b(lba, scsi_cmd->lba); 4292 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4293 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4294 (key_format & RK_KF_KEYFORMAT_MASK); 4295 4296 cam_fill_csio(csio, 4297 retries, 4298 cbfcnp, 4299 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4300 tag_action, 4301 /*data_ptr*/ data_ptr, 4302 /*dxfer_len*/ dxfer_len, 4303 sense_len, 4304 sizeof(*scsi_cmd), 4305 timeout); 4306 } 4307 4308 void 4309 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4310 void (*cbfcnp)(struct cam_periph *, union ccb *), 4311 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4312 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4313 u_int32_t timeout) 4314 { 4315 struct scsi_send_key *scsi_cmd; 4316 4317 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4318 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4319 scsi_cmd->opcode = SEND_KEY; 4320 4321 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4322 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4323 (key_format & RK_KF_KEYFORMAT_MASK); 4324 4325 cam_fill_csio(csio, 4326 retries, 4327 cbfcnp, 4328 /*flags*/ CAM_DIR_OUT, 4329 tag_action, 4330 /*data_ptr*/ data_ptr, 4331 /*dxfer_len*/ dxfer_len, 4332 sense_len, 4333 sizeof(*scsi_cmd), 4334 timeout); 4335 } 4336 4337 4338 void 4339 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4340 void (*cbfcnp)(struct cam_periph *, union ccb *), 4341 u_int8_t tag_action, u_int32_t address, 4342 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4343 u_int8_t *data_ptr, u_int32_t dxfer_len, 4344 u_int8_t sense_len, u_int32_t timeout) 4345 { 4346 struct scsi_read_dvd_structure *scsi_cmd; 4347 4348 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4349 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4350 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4351 4352 scsi_ulto4b(address, scsi_cmd->address); 4353 scsi_cmd->layer_number = layer_number; 4354 scsi_cmd->format = format; 4355 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4356 /* The AGID is the top two bits of this byte */ 4357 scsi_cmd->agid = agid << 6; 4358 4359 cam_fill_csio(csio, 4360 retries, 4361 cbfcnp, 4362 /*flags*/ CAM_DIR_IN, 4363 tag_action, 4364 /*data_ptr*/ data_ptr, 4365 /*dxfer_len*/ dxfer_len, 4366 sense_len, 4367 sizeof(*scsi_cmd), 4368 timeout); 4369 } 4370