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