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 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1039 cam_periph_unhold(periph, 1); 1040 /* stays acquired */ 1041 1042 return (0); 1043 } 1044 1045 static int 1046 cdclose(struct dev_close_args *ap) 1047 { 1048 cdev_t dev = ap->a_head.a_dev; 1049 struct cam_periph *periph; 1050 struct cd_softc *softc; 1051 struct disk_info *info; 1052 int unit; 1053 1054 unit = dkunit(dev); 1055 periph = cam_extend_get(cdperiphs, unit); 1056 if (periph == NULL) 1057 return (ENXIO); 1058 1059 softc = (struct cd_softc *)periph->softc; 1060 1061 cam_periph_lock(periph); 1062 cam_periph_hold(periph, 0); 1063 1064 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1065 cdprevent(periph, PR_ALLOW); 1066 1067 /* 1068 * Unconditionally set the dsopen() flags back to their default 1069 * state. 1070 */ 1071 info = &softc->disk.d_info; 1072 info->d_dsflags &= ~DSO_NOLABELS; 1073 info->d_dsflags |= DSO_COMPATLABEL; 1074 1075 /* 1076 * Since we're closing this CD, mark the blocksize as unavailable. 1077 * It will be marked as available when the CD is opened again. 1078 */ 1079 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1080 1081 /* 1082 * We'll check the media and toc again at the next open(). 1083 */ 1084 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1085 1086 cam_periph_unhold(periph, 1); 1087 cam_periph_release(periph); 1088 1089 return (0); 1090 } 1091 1092 static void 1093 cdshorttimeout(void *arg) 1094 { 1095 struct cdchanger *changer; 1096 1097 changer = (struct cdchanger *)arg; 1098 1099 /* Always clear the short timeout flag, since that's what we're in */ 1100 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1101 1102 /* 1103 * Check to see if there is any more pending or outstanding I/O for 1104 * this device. If not, move it out of the active slot. 1105 */ 1106 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1107 && (changer->cur_device->outstanding_cmds == 0)) { 1108 changer->flags |= CHANGER_MANUAL_CALL; 1109 cdrunchangerqueue(changer); 1110 } 1111 } 1112 1113 /* 1114 * This is a wrapper for xpt_schedule. It only applies to changers. 1115 */ 1116 static void 1117 cdschedule(struct cam_periph *periph, int priority) 1118 { 1119 struct cd_softc *softc; 1120 1121 softc = (struct cd_softc *)periph->softc; 1122 1123 /* 1124 * If this device isn't currently queued, and if it isn't 1125 * the active device, then we queue this device and run the 1126 * changer queue if there is no timeout scheduled to do it. 1127 * If this device is the active device, just schedule it 1128 * to run again. If this device is queued, there should be 1129 * a timeout in place already that will make sure it runs. 1130 */ 1131 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1132 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1133 /* 1134 * We don't do anything with the priority here. 1135 * This is strictly a fifo queue. 1136 */ 1137 softc->pinfo.priority = 1; 1138 softc->pinfo.generation = ++softc->changer->devq.generation; 1139 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1140 1141 /* 1142 * Since we just put a device in the changer queue, 1143 * check and see if there is a timeout scheduled for 1144 * this changer. If so, let the timeout handle 1145 * switching this device into the active slot. If 1146 * not, manually call the timeout routine to 1147 * bootstrap things. 1148 */ 1149 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1150 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1151 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1152 softc->changer->flags |= CHANGER_MANUAL_CALL; 1153 cdrunchangerqueue(softc->changer); 1154 } 1155 } else if ((softc->flags & CD_FLAG_ACTIVE) 1156 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1157 xpt_schedule(periph, priority); 1158 } 1159 } 1160 1161 static void 1162 cdrunchangerqueue(void *arg) 1163 { 1164 struct cd_softc *softc; 1165 struct cdchanger *changer; 1166 int called_from_timeout; 1167 1168 changer = (struct cdchanger *)arg; 1169 1170 /* 1171 * If we have NOT been called from cdstrategy() or cddone(), and 1172 * instead from a timeout routine, go ahead and clear the 1173 * timeout flag. 1174 */ 1175 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1176 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1177 called_from_timeout = 1; 1178 } else 1179 called_from_timeout = 0; 1180 1181 /* Always clear the manual call flag */ 1182 changer->flags &= ~CHANGER_MANUAL_CALL; 1183 1184 /* nothing to do if the queue is empty */ 1185 if (changer->devq.entries <= 0) { 1186 return; 1187 } 1188 1189 /* 1190 * If the changer queue is frozen, that means we have an active 1191 * device. 1192 */ 1193 if (changer->devq.qfrozen_cnt > 0) { 1194 1195 /* 1196 * We always need to reset the frozen count and clear the 1197 * active flag. 1198 */ 1199 changer->devq.qfrozen_cnt--; 1200 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1201 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1202 1203 if (changer->cur_device->outstanding_cmds > 0) { 1204 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1205 changer->cur_device->bufs_left = 1206 changer->cur_device->outstanding_cmds; 1207 if (called_from_timeout) { 1208 callout_reset(&changer->long_handle, 1209 changer_max_busy_seconds * hz, 1210 cdrunchangerqueue, changer); 1211 changer->flags |= CHANGER_TIMEOUT_SCHED; 1212 } 1213 return; 1214 } 1215 1216 /* 1217 * Check to see whether the current device has any I/O left 1218 * to do. If so, requeue it at the end of the queue. If 1219 * not, there is no need to requeue it. 1220 */ 1221 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1222 1223 changer->cur_device->pinfo.generation = 1224 ++changer->devq.generation; 1225 camq_insert(&changer->devq, 1226 (cam_pinfo *)changer->cur_device); 1227 } 1228 } 1229 1230 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1231 1232 changer->cur_device = softc; 1233 1234 changer->devq.qfrozen_cnt++; 1235 softc->flags |= CD_FLAG_ACTIVE; 1236 1237 /* Just in case this device is waiting */ 1238 wakeup(&softc->changer); 1239 xpt_schedule(softc->periph, /*priority*/ 1); 1240 1241 /* 1242 * Get rid of any pending timeouts, and set a flag to schedule new 1243 * ones so this device gets its full time quantum. 1244 */ 1245 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1246 callout_stop(&changer->long_handle); 1247 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1248 } 1249 1250 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1251 callout_stop(&changer->short_handle); 1252 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1253 } 1254 1255 /* 1256 * We need to schedule timeouts, but we only do this after the 1257 * first transaction has completed. This eliminates the changer 1258 * switch time. 1259 */ 1260 changer->flags |= CHANGER_NEED_TIMEOUT; 1261 } 1262 1263 static void 1264 cdchangerschedule(struct cd_softc *softc) 1265 { 1266 struct cdchanger *changer; 1267 1268 changer = softc->changer; 1269 1270 /* 1271 * If this is a changer, and this is the current device, 1272 * and this device has at least the minimum time quantum to 1273 * run, see if we can switch it out. 1274 */ 1275 if ((softc->flags & CD_FLAG_ACTIVE) 1276 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1277 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1278 /* 1279 * We try three things here. The first is that we 1280 * check to see whether the schedule on completion 1281 * flag is set. If it is, we decrement the number 1282 * of buffers left, and if it's zero, we reschedule. 1283 * Next, we check to see whether the pending buffer 1284 * queue is empty and whether there are no 1285 * outstanding transactions. If so, we reschedule. 1286 * Next, we see if the pending buffer queue is empty. 1287 * If it is, we set the number of buffers left to 1288 * the current active buffer count and set the 1289 * schedule on complete flag. 1290 */ 1291 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1292 if (--softc->bufs_left == 0) { 1293 softc->changer->flags |= 1294 CHANGER_MANUAL_CALL; 1295 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1296 cdrunchangerqueue(softc->changer); 1297 } 1298 } else if ((bioq_first(&softc->bio_queue) == NULL) 1299 && (softc->outstanding_cmds == 0)) { 1300 softc->changer->flags |= CHANGER_MANUAL_CALL; 1301 cdrunchangerqueue(softc->changer); 1302 } 1303 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1304 && (softc->flags & CD_FLAG_ACTIVE)) { 1305 1306 /* 1307 * Now that the first transaction to this 1308 * particular device has completed, we can go ahead 1309 * and schedule our timeouts. 1310 */ 1311 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1312 callout_reset(&changer->long_handle, 1313 changer_max_busy_seconds * hz, 1314 cdrunchangerqueue, changer); 1315 changer->flags |= CHANGER_TIMEOUT_SCHED; 1316 } else 1317 kprintf("cdchangerschedule: already have a long" 1318 " timeout!\n"); 1319 1320 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1321 callout_reset(&changer->short_handle, 1322 changer_min_busy_seconds * hz, 1323 cdshorttimeout, changer); 1324 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1325 } else 1326 kprintf("cdchangerschedule: already have a short " 1327 "timeout!\n"); 1328 1329 /* 1330 * We just scheduled timeouts, no need to schedule 1331 * more. 1332 */ 1333 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1334 1335 } 1336 } 1337 1338 static int 1339 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1340 u_int32_t cam_flags, 1341 u_int32_t sense_flags), 1342 u_int32_t cam_flags, u_int32_t sense_flags) 1343 { 1344 struct cd_softc *softc; 1345 struct cam_periph *periph; 1346 int error; 1347 1348 periph = xpt_path_periph(ccb->ccb_h.path); 1349 softc = (struct cd_softc *)periph->softc; 1350 1351 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1352 &softc->device_stats); 1353 1354 if (softc->flags & CD_FLAG_CHANGER) 1355 cdchangerschedule(softc); 1356 1357 return(error); 1358 } 1359 1360 static union ccb * 1361 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1362 { 1363 struct cd_softc *softc; 1364 1365 softc = (struct cd_softc *)periph->softc; 1366 1367 if (softc->flags & CD_FLAG_CHANGER) { 1368 /* 1369 * This should work the first time this device is woken up, 1370 * but just in case it doesn't, we use a while loop. 1371 */ 1372 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1373 /* 1374 * If this changer isn't already queued, queue it up. 1375 */ 1376 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1377 softc->pinfo.priority = 1; 1378 softc->pinfo.generation = 1379 ++softc->changer->devq.generation; 1380 camq_insert(&softc->changer->devq, 1381 (cam_pinfo *)softc); 1382 } 1383 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1384 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1385 && ((softc->changer->flags 1386 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1387 softc->changer->flags |= CHANGER_MANUAL_CALL; 1388 cdrunchangerqueue(softc->changer); 1389 } else 1390 sim_lock_sleep(&softc->changer, 0, "cgticb", 0, 1391 periph->sim->lock); 1392 } 1393 } 1394 return(cam_periph_getccb(periph, priority)); 1395 } 1396 1397 /* 1398 * Actually translate the requested transfer into one the physical driver 1399 * can understand. The transfer is described by a buf and will include 1400 * only one physical transfer. 1401 */ 1402 static int 1403 cdstrategy(struct dev_strategy_args *ap) 1404 { 1405 cdev_t dev = ap->a_head.a_dev; 1406 struct bio *bio = ap->a_bio; 1407 struct buf *bp = bio->bio_buf; 1408 struct cam_periph *periph; 1409 struct cd_softc *softc; 1410 u_int unit; 1411 1412 unit = dkunit(dev); 1413 periph = cam_extend_get(cdperiphs, unit); 1414 if (periph == NULL) { 1415 bp->b_error = ENXIO; 1416 goto bad; 1417 } 1418 1419 cam_periph_lock(periph); 1420 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1421 1422 softc = (struct cd_softc *)periph->softc; 1423 1424 /* 1425 * If the device has been made invalid, error out 1426 */ 1427 if ((softc->flags & CD_FLAG_INVALID)) { 1428 cam_periph_unlock(periph); 1429 bp->b_error = ENXIO; 1430 goto bad; 1431 } 1432 1433 /* 1434 * If we don't have valid media, look for it before trying to 1435 * schedule the I/O. 1436 */ 1437 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1438 int error; 1439 1440 error = cdcheckmedia(periph); 1441 if (error != 0) { 1442 cam_periph_unlock(periph); 1443 bp->b_error = error; 1444 goto bad; 1445 } 1446 } 1447 1448 /* 1449 * Place it in the queue of disk activities for this disk 1450 */ 1451 bioqdisksort(&softc->bio_queue, bio); 1452 1453 /* 1454 * Schedule ourselves for performing the work. We do things 1455 * differently for changers. 1456 */ 1457 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1458 xpt_schedule(periph, /* XXX priority */1); 1459 else 1460 cdschedule(periph, /* priority */ 1); 1461 1462 cam_periph_unlock(periph); 1463 return(0); 1464 bad: 1465 bp->b_flags |= B_ERROR; 1466 /* 1467 * Correctly set the buf to indicate a completed xfer 1468 */ 1469 bp->b_resid = bp->b_bcount; 1470 biodone(bio); 1471 return(0); 1472 } 1473 1474 static void 1475 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1476 { 1477 struct cd_softc *softc; 1478 struct bio *bio; 1479 struct buf *bp; 1480 struct ccb_scsiio *csio; 1481 struct scsi_read_capacity_data *rcap; 1482 1483 softc = (struct cd_softc *)periph->softc; 1484 1485 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1486 1487 switch (softc->state) { 1488 case CD_STATE_NORMAL: 1489 { 1490 bio = bioq_first(&softc->bio_queue); 1491 if (periph->immediate_priority <= periph->pinfo.priority) { 1492 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1493 1494 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1495 periph_links.sle); 1496 periph->immediate_priority = CAM_PRIORITY_NONE; 1497 wakeup(&periph->ccb_list); 1498 } else if (bio == NULL) { 1499 xpt_release_ccb(start_ccb); 1500 } else { 1501 bp = bio->bio_buf; 1502 bioq_remove(&softc->bio_queue, bio); 1503 1504 devstat_start_transaction(&softc->device_stats); 1505 1506 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1507 1508 scsi_read_write(&start_ccb->csio, 1509 /*retries*/4, 1510 /* cbfcnp */ cddone, 1511 (bp->b_flags & B_ORDERED) != 0 ? 1512 MSG_ORDERED_Q_TAG : 1513 MSG_SIMPLE_Q_TAG, 1514 /* read */(bp->b_cmd == BUF_CMD_READ), 1515 /* byte2 */ 0, 1516 /* minimum_cmd_size */ 10, 1517 /* lba */ 1518 bio->bio_offset / softc->params.blksize, 1519 bp->b_bcount / softc->params.blksize, 1520 /* data_ptr */ bp->b_data, 1521 /* dxfer_len */ bp->b_bcount, 1522 /* sense_len */ SSD_FULL_SIZE, 1523 /* timeout */ 30000); 1524 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1525 1526 1527 LIST_INSERT_HEAD(&softc->pending_ccbs, 1528 &start_ccb->ccb_h, periph_links.le); 1529 1530 softc->outstanding_cmds++; 1531 /* We expect a unit attention from this device */ 1532 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1533 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1534 softc->flags &= ~CD_FLAG_RETRY_UA; 1535 } 1536 1537 start_ccb->ccb_h.ccb_bio = bio; 1538 bio = bioq_first(&softc->bio_queue); 1539 1540 xpt_action(start_ccb); 1541 } 1542 if (bio != NULL) { 1543 /* Have more work to do, so ensure we stay scheduled */ 1544 xpt_schedule(periph, /* XXX priority */1); 1545 } 1546 break; 1547 } 1548 case CD_STATE_PROBE: 1549 { 1550 1551 rcap = kmalloc(sizeof(*rcap), M_SCSICD, M_INTWAIT); 1552 csio = &start_ccb->csio; 1553 scsi_read_capacity(csio, 1554 /*retries*/1, 1555 cddone, 1556 MSG_SIMPLE_Q_TAG, 1557 rcap, 1558 SSD_FULL_SIZE, 1559 /*timeout*/20000); 1560 start_ccb->ccb_h.ccb_bio = NULL; 1561 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1562 xpt_action(start_ccb); 1563 break; 1564 } 1565 } 1566 } 1567 1568 static void 1569 cddone(struct cam_periph *periph, union ccb *done_ccb) 1570 { 1571 struct cd_softc *softc; 1572 struct ccb_scsiio *csio; 1573 1574 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1575 1576 softc = (struct cd_softc *)periph->softc; 1577 csio = &done_ccb->csio; 1578 1579 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1580 case CD_CCB_BUFFER_IO: 1581 { 1582 struct buf *bp; 1583 struct bio *bio; 1584 int error; 1585 1586 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1587 bp = bio->bio_buf; 1588 error = 0; 1589 1590 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1591 int sf; 1592 1593 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1594 sf = SF_RETRY_UA; 1595 else 1596 sf = 0; 1597 1598 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1599 if (error == ERESTART) { 1600 /* 1601 * A retry was scheuled, so 1602 * just return. 1603 */ 1604 return; 1605 } 1606 } 1607 1608 if (error != 0) { 1609 struct bio *q_bio; 1610 struct buf *q_bp; 1611 1612 xpt_print(periph->path, 1613 "cddone: got error %#x back\n", error); 1614 while ((q_bio = bioq_takefirst(&softc->bio_queue)) != NULL) { 1615 q_bp = q_bio->bio_buf; 1616 q_bp->b_resid = q_bp->b_bcount; 1617 q_bp->b_error = EIO; 1618 q_bp->b_flags |= B_ERROR; 1619 biodone(q_bio); 1620 } 1621 bp->b_resid = bp->b_bcount; 1622 bp->b_error = error; 1623 bp->b_flags |= B_ERROR; 1624 cam_release_devq(done_ccb->ccb_h.path, 1625 /*relsim_flags*/0, 1626 /*reduction*/0, 1627 /*timeout*/0, 1628 /*getcount_only*/0); 1629 1630 } else { 1631 bp->b_resid = csio->resid; 1632 bp->b_error = 0; 1633 if (bp->b_resid != 0) { 1634 /* Short transfer ??? */ 1635 bp->b_flags |= B_ERROR; 1636 } 1637 } 1638 1639 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1640 softc->outstanding_cmds--; 1641 1642 if (softc->flags & CD_FLAG_CHANGER) 1643 cdchangerschedule(softc); 1644 1645 devstat_end_transaction_buf(&softc->device_stats, bp); 1646 biodone(bio); 1647 break; 1648 } 1649 case CD_CCB_PROBE: 1650 { 1651 /* 1652 * Currently (9/30/97) the longest possible announce 1653 * buffer is 108 bytes, for the first error case below. 1654 * That is 39 bytes for the basic string, 16 bytes for the 1655 * biggest sense key (hardware error), 52 bytes for the 1656 * text of the largest sense qualifier valid for a CDROM, 1657 * (0x72, 0x03 or 0x04, 0x03), and one byte for the 1658 * null terminating character. To allow for longer strings, 1659 * the announce buffer is 120 bytes. 1660 * 1661 * We need to call disk_setdiskinfo() before the disk 1662 * subsystem will allow any opens. Because additional 1663 * probe code is in cdopen() we do this now whether a CD 1664 * is present or not. 1665 */ 1666 struct scsi_read_capacity_data *rdcap; 1667 struct disk_info info; 1668 char announce_buf[120]; 1669 struct cd_params *cdp; 1670 1671 cdp = &softc->params; 1672 bzero(&info, sizeof(info)); 1673 info.d_type = DTYPE_SCSI; 1674 info.d_dsflags &= ~DSO_COMPATLABEL; 1675 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 1676 info.d_serialno = xpt_path_serialno(periph->path); 1677 1678 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1679 1680 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1681 cdp->blksize = scsi_4btoul (rdcap->length); 1682 1683 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1684 ksnprintf(announce_buf, sizeof(announce_buf), 1685 "cd present [%lu x %lu byte records]", 1686 cdp->disksize, (u_long)cdp->blksize); 1687 info.d_media_blksize = cdp->blksize; 1688 info.d_media_blocks = cdp->disksize; 1689 disk_setdiskinfo(&softc->disk, &info); 1690 } else { 1691 int error; 1692 1693 /* 1694 * Retry any UNIT ATTENTION type errors. They 1695 * are expected at boot. 1696 */ 1697 error = cderror(done_ccb, CAM_RETRY_SELTO, 1698 SF_RETRY_UA | SF_NO_PRINT); 1699 if (error == ERESTART) { 1700 /* 1701 * A retry was scheuled, so 1702 * just return. 1703 */ 1704 return; 1705 } else if (error != 0) { 1706 struct scsi_sense_data *sense; 1707 int asc, ascq; 1708 int sense_key, error_code; 1709 int have_sense; 1710 cam_status status; 1711 struct ccb_getdev cgd; 1712 1713 /* Don't wedge this device's queue */ 1714 cam_release_devq(done_ccb->ccb_h.path, 1715 /*relsim_flags*/0, 1716 /*reduction*/0, 1717 /*timeout*/0, 1718 /*getcount_only*/0); 1719 1720 status = done_ccb->ccb_h.status; 1721 1722 xpt_setup_ccb(&cgd.ccb_h, 1723 done_ccb->ccb_h.path, 1724 /* priority */ 1); 1725 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1726 xpt_action((union ccb *)&cgd); 1727 1728 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1729 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1730 || ((status & CAM_AUTOSNS_VALID) == 0)) 1731 have_sense = FALSE; 1732 else 1733 have_sense = TRUE; 1734 1735 if (have_sense) { 1736 sense = &csio->sense_data; 1737 scsi_extract_sense(sense, &error_code, 1738 &sense_key, 1739 &asc, &ascq); 1740 } 1741 /* 1742 * Attach to anything that claims to be a 1743 * CDROM or WORM device, as long as it 1744 * doesn't return a "Logical unit not 1745 * supported" (0x25) error. 1746 */ 1747 if ((have_sense) && (asc != 0x25) 1748 && (error_code == SSD_CURRENT_ERROR)) { 1749 const char *sense_key_desc; 1750 const char *asc_desc; 1751 1752 scsi_sense_desc(sense_key, asc, ascq, 1753 &cgd.inq_data, 1754 &sense_key_desc, 1755 &asc_desc); 1756 ksnprintf(announce_buf, 1757 sizeof(announce_buf), 1758 "Attempt to query device " 1759 "size failed: %s, %s", 1760 sense_key_desc, 1761 asc_desc); 1762 info.d_media_blksize = 2048; 1763 disk_setdiskinfo(&softc->disk, &info); 1764 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1765 /* 1766 * We only print out an error for 1767 * CDROM type devices. For WORM 1768 * devices, we don't print out an 1769 * error since a few WORM devices 1770 * don't support CDROM commands. 1771 * If we have sense information, go 1772 * ahead and print it out. 1773 * Otherwise, just say that we 1774 * couldn't attach. 1775 */ 1776 1777 /* 1778 * Just print out the error, not 1779 * the full probe message, when we 1780 * don't attach. 1781 */ 1782 if (have_sense) 1783 scsi_sense_print( 1784 &done_ccb->csio); 1785 else { 1786 xpt_print(periph->path, 1787 "got CAM status %#x\n", 1788 done_ccb->ccb_h.status); 1789 } 1790 xpt_print(periph->path, "fatal error, " 1791 "failed to attach to device\n"); 1792 /* 1793 * Invalidate this peripheral. 1794 */ 1795 cam_periph_invalidate(periph); 1796 1797 announce_buf[0] = '\0'; 1798 } else { 1799 1800 /* 1801 * Invalidate this peripheral. 1802 */ 1803 cam_periph_invalidate(periph); 1804 announce_buf[0] = '\0'; 1805 } 1806 } 1807 } 1808 kfree(rdcap, M_SCSICD); 1809 if (announce_buf[0] != '\0') { 1810 xpt_announce_periph(periph, announce_buf); 1811 if (softc->flags & CD_FLAG_CHANGER) 1812 cdchangerschedule(softc); 1813 /* 1814 * Create our sysctl variables, now that we know 1815 * we have successfully attached. 1816 */ 1817 taskqueue_enqueue(taskqueue_thread[mycpuid], 1818 &softc->sysctl_task); 1819 } 1820 softc->state = CD_STATE_NORMAL; 1821 /* 1822 * Since our peripheral may be invalidated by an error 1823 * above or an external event, we must release our CCB 1824 * before releasing the probe lock on the peripheral. 1825 * The peripheral will only go away once the last lock 1826 * is removed, and we need it around for the CCB release 1827 * operation. 1828 */ 1829 xpt_release_ccb(done_ccb); 1830 cam_periph_unhold(periph, 0); 1831 return; 1832 } 1833 case CD_CCB_WAITING: 1834 { 1835 /* Caller will release the CCB */ 1836 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1837 ("trying to wakeup ccbwait\n")); 1838 1839 wakeup(&done_ccb->ccb_h.cbfcnp); 1840 return; 1841 } 1842 default: 1843 break; 1844 } 1845 xpt_release_ccb(done_ccb); 1846 } 1847 1848 static union cd_pages * 1849 cdgetpage(struct cd_mode_params *mode_params) 1850 { 1851 union cd_pages *page; 1852 1853 if (mode_params->cdb_size == 10) 1854 page = (union cd_pages *)find_mode_page_10( 1855 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1856 else 1857 page = (union cd_pages *)find_mode_page_6( 1858 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1859 1860 return (page); 1861 } 1862 1863 static int 1864 cdgetpagesize(int page_num) 1865 { 1866 int i; 1867 1868 for (i = 0; i < NELEM(cd_page_size_table); i++) { 1869 if (cd_page_size_table[i].page == page_num) 1870 return (cd_page_size_table[i].page_size); 1871 } 1872 return (-1); 1873 } 1874 1875 static int 1876 cdioctl(struct dev_ioctl_args *ap) 1877 { 1878 cdev_t dev = ap->a_head.a_dev; 1879 caddr_t addr = ap->a_data; 1880 struct cam_periph *periph; 1881 struct cd_softc *softc; 1882 int unit, error = 0; 1883 1884 unit = dkunit(dev); 1885 1886 periph = cam_extend_get(cdperiphs, unit); 1887 if (periph == NULL) 1888 return(ENXIO); 1889 1890 cam_periph_lock(periph); 1891 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1892 1893 softc = (struct cd_softc *)periph->softc; 1894 1895 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1896 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1897 1898 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1899 cam_periph_unlock(periph); 1900 cam_periph_release(periph); 1901 return (error); 1902 } 1903 1904 /* 1905 * If we don't have media loaded, check for it. If still don't 1906 * have media loaded, we can only do a load or eject. 1907 * 1908 * We only care whether media is loaded if this is a cd-specific ioctl 1909 * (thus the IOCGROUP check below). Note that this will break if 1910 * anyone adds any ioctls into the switch statement below that don't 1911 * have their ioctl group set to 'c'. 1912 */ 1913 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1914 && ((ap->a_cmd != CDIOCCLOSE) 1915 && (ap->a_cmd != CDIOCEJECT)) 1916 && (IOCGROUP(ap->a_cmd) == 'c')) { 1917 error = cdcheckmedia(periph); 1918 if (error != 0) { 1919 cam_periph_unhold(periph, 1); 1920 return (error); 1921 } 1922 } 1923 /* 1924 * Drop the lock here so later mallocs can use WAITOK. The periph 1925 * is essentially locked still with the cam_periph_hold call above. 1926 */ 1927 cam_periph_unlock(periph); 1928 1929 switch (ap->a_cmd) { 1930 1931 case CDIOCPLAYTRACKS: 1932 { 1933 struct ioc_play_track *args 1934 = (struct ioc_play_track *)addr; 1935 struct cd_mode_params params; 1936 union cd_pages *page; 1937 1938 params.alloc_len = sizeof(union cd_mode_data_6_10); 1939 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 1940 M_WAITOK | M_ZERO); 1941 1942 cam_periph_lock(periph); 1943 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1944 ("trying to do CDIOCPLAYTRACKS\n")); 1945 1946 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1947 if (error) { 1948 kfree(params.mode_buf, M_SCSICD); 1949 cam_periph_unlock(periph); 1950 break; 1951 } 1952 page = cdgetpage(¶ms); 1953 1954 page->audio.flags &= ~CD_PA_SOTC; 1955 page->audio.flags |= CD_PA_IMMED; 1956 error = cdsetmode(periph, ¶ms); 1957 kfree(params.mode_buf, M_SCSICD); 1958 if (error) { 1959 cam_periph_unlock(periph); 1960 break; 1961 } 1962 1963 /* 1964 * This was originally implemented with the PLAY 1965 * AUDIO TRACK INDEX command, but that command was 1966 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1967 * drives support it but ATAPI and ATAPI-derivative 1968 * drives don't seem to support it. So we keep a 1969 * cache of the table of contents and translate 1970 * track numbers to MSF format. 1971 */ 1972 if (softc->flags & CD_FLAG_VALID_TOC) { 1973 union msf_lba *sentry, *eentry; 1974 int st, et; 1975 1976 if (args->end_track < 1977 softc->toc.header.ending_track + 1) 1978 args->end_track++; 1979 if (args->end_track > 1980 softc->toc.header.ending_track + 1) 1981 args->end_track = 1982 softc->toc.header.ending_track + 1; 1983 st = args->start_track - 1984 softc->toc.header.starting_track; 1985 et = args->end_track - 1986 softc->toc.header.starting_track; 1987 if ((st < 0) 1988 || (et < 0) 1989 || (st > (softc->toc.header.ending_track - 1990 softc->toc.header.starting_track))) { 1991 error = EINVAL; 1992 break; 1993 } 1994 sentry = &softc->toc.entries[st].addr; 1995 eentry = &softc->toc.entries[et].addr; 1996 error = cdplaymsf(periph, 1997 sentry->msf.minute, 1998 sentry->msf.second, 1999 sentry->msf.frame, 2000 eentry->msf.minute, 2001 eentry->msf.second, 2002 eentry->msf.frame); 2003 } else { 2004 /* 2005 * If we don't have a valid TOC, try the 2006 * play track index command. It is part of 2007 * the SCSI-2 spec, but was removed in the 2008 * MMC specs. ATAPI and ATAPI-derived 2009 * drives don't support it. 2010 */ 2011 if (softc->quirks & CD_Q_BCD_TRACKS) { 2012 args->start_track = 2013 bin2bcd(args->start_track); 2014 args->end_track = 2015 bin2bcd(args->end_track); 2016 } 2017 error = cdplaytracks(periph, 2018 args->start_track, 2019 args->start_index, 2020 args->end_track, 2021 args->end_index); 2022 } 2023 cam_periph_unlock(periph); 2024 } 2025 break; 2026 case CDIOCPLAYMSF: 2027 { 2028 struct ioc_play_msf *args 2029 = (struct ioc_play_msf *) addr; 2030 struct cd_mode_params params; 2031 union cd_pages *page; 2032 2033 params.alloc_len = sizeof(union cd_mode_data_6_10); 2034 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2035 M_WAITOK | M_ZERO); 2036 2037 cam_periph_lock(periph); 2038 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2039 ("trying to do CDIOCPLAYMSF\n")); 2040 2041 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2042 if (error) { 2043 kfree(params.mode_buf, M_SCSICD); 2044 cam_periph_unlock(periph); 2045 break; 2046 } 2047 page = cdgetpage(¶ms); 2048 2049 page->audio.flags &= ~CD_PA_SOTC; 2050 page->audio.flags |= CD_PA_IMMED; 2051 error = cdsetmode(periph, ¶ms); 2052 kfree(params.mode_buf, M_SCSICD); 2053 if (error) { 2054 cam_periph_unlock(periph); 2055 break; 2056 } 2057 error = cdplaymsf(periph, 2058 args->start_m, 2059 args->start_s, 2060 args->start_f, 2061 args->end_m, 2062 args->end_s, 2063 args->end_f); 2064 cam_periph_unlock(periph); 2065 } 2066 break; 2067 case CDIOCPLAYBLOCKS: 2068 { 2069 struct ioc_play_blocks *args 2070 = (struct ioc_play_blocks *) addr; 2071 struct cd_mode_params params; 2072 union cd_pages *page; 2073 2074 params.alloc_len = sizeof(union cd_mode_data_6_10); 2075 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2076 M_WAITOK | M_ZERO); 2077 cam_periph_lock(periph); 2078 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2079 ("trying to do CDIOCPLAYBLOCKS\n")); 2080 2081 2082 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2083 if (error) { 2084 kfree(params.mode_buf, M_SCSICD); 2085 cam_periph_unlock(periph); 2086 break; 2087 } 2088 page = cdgetpage(¶ms); 2089 2090 page->audio.flags &= ~CD_PA_SOTC; 2091 page->audio.flags |= CD_PA_IMMED; 2092 error = cdsetmode(periph, ¶ms); 2093 kfree(params.mode_buf, M_SCSICD); 2094 if (error) { 2095 cam_periph_unlock(periph); 2096 break; 2097 } 2098 error = cdplay(periph, args->blk, args->len); 2099 cam_periph_unlock(periph); 2100 } 2101 break; 2102 case CDIOCREADSUBCHANNEL: 2103 { 2104 struct ioc_read_subchannel *args 2105 = (struct ioc_read_subchannel *) addr; 2106 struct cd_sub_channel_info *data; 2107 u_int32_t len = args->data_len; 2108 2109 data = kmalloc(sizeof(struct cd_sub_channel_info), 2110 M_SCSICD, M_WAITOK); 2111 2112 cam_periph_lock(periph); 2113 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2114 ("trying to do CDIOCREADSUBCHANNEL\n")); 2115 2116 if ((len > sizeof(struct cd_sub_channel_info)) || 2117 (len < sizeof(struct cd_sub_channel_header))) { 2118 kprintf( 2119 "scsi_cd: cdioctl: " 2120 "cdioreadsubchannel: error, len=%d\n", 2121 len); 2122 error = EINVAL; 2123 kfree(data, M_SCSICD); 2124 cam_periph_unlock(periph); 2125 break; 2126 } 2127 2128 if (softc->quirks & CD_Q_BCD_TRACKS) 2129 args->track = bin2bcd(args->track); 2130 2131 error = cdreadsubchannel(periph, args->address_format, 2132 args->data_format, args->track, data, len); 2133 2134 if (error) { 2135 kfree(data, M_SCSICD); 2136 cam_periph_unlock(periph); 2137 break; 2138 } 2139 if (softc->quirks & CD_Q_BCD_TRACKS) 2140 data->what.track_info.track_number = 2141 bcd2bin(data->what.track_info.track_number); 2142 len = min(len, ((data->header.data_len[0] << 8) + 2143 data->header.data_len[1] + 2144 sizeof(struct cd_sub_channel_header))); 2145 cam_periph_unlock(periph); 2146 if (copyout(data, args->data, len) != 0) { 2147 error = EFAULT; 2148 } 2149 kfree(data, M_SCSICD); 2150 } 2151 break; 2152 2153 case CDIOREADTOCHEADER: 2154 { 2155 struct ioc_toc_header *th; 2156 2157 th = kmalloc(sizeof(struct ioc_toc_header), M_SCSICD, 2158 M_WAITOK); 2159 2160 cam_periph_lock(periph); 2161 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2162 ("trying to do CDIOREADTOCHEADER\n")); 2163 2164 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2165 sizeof (*th), /*sense_flags*/0); 2166 if (error) { 2167 kfree(th, M_SCSICD); 2168 cam_periph_unlock(periph); 2169 break; 2170 } 2171 if (softc->quirks & CD_Q_BCD_TRACKS) { 2172 /* we are going to have to convert the BCD 2173 * encoding on the cd to what is expected 2174 */ 2175 th->starting_track = 2176 bcd2bin(th->starting_track); 2177 th->ending_track = bcd2bin(th->ending_track); 2178 } 2179 th->len = ntohs(th->len); 2180 bcopy(th, addr, sizeof(*th)); 2181 kfree(th, M_SCSICD); 2182 cam_periph_unlock(periph); 2183 } 2184 break; 2185 case CDIOREADTOCENTRYS: 2186 { 2187 struct cd_tocdata *data; 2188 struct cd_toc_single *lead; 2189 struct ioc_read_toc_entry *te = 2190 (struct ioc_read_toc_entry *) addr; 2191 struct ioc_toc_header *th; 2192 u_int32_t len, readlen, idx, num; 2193 u_int32_t starting_track = te->starting_track; 2194 2195 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2196 lead = kmalloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2197 2198 cam_periph_lock(periph); 2199 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2200 ("trying to do CDIOREADTOCENTRYS\n")); 2201 2202 if (te->data_len < sizeof(struct cd_toc_entry) 2203 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2204 || (te->address_format != CD_MSF_FORMAT 2205 && te->address_format != CD_LBA_FORMAT)) { 2206 error = EINVAL; 2207 kprintf("scsi_cd: error in readtocentries, " 2208 "returning EINVAL\n"); 2209 kfree(data, M_SCSICD); 2210 kfree(lead, M_SCSICD); 2211 cam_periph_unlock(periph); 2212 break; 2213 } 2214 2215 th = &data->header; 2216 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2217 sizeof (*th), /*sense_flags*/0); 2218 if (error) { 2219 kfree(data, M_SCSICD); 2220 kfree(lead, M_SCSICD); 2221 cam_periph_unlock(periph); 2222 break; 2223 } 2224 2225 if (softc->quirks & CD_Q_BCD_TRACKS) { 2226 /* we are going to have to convert the BCD 2227 * encoding on the cd to what is expected 2228 */ 2229 th->starting_track = 2230 bcd2bin(th->starting_track); 2231 th->ending_track = bcd2bin(th->ending_track); 2232 } 2233 2234 if (starting_track == 0) 2235 starting_track = th->starting_track; 2236 else if (starting_track == LEADOUT) 2237 starting_track = th->ending_track + 1; 2238 else if (starting_track < th->starting_track || 2239 starting_track > th->ending_track + 1) { 2240 kprintf("scsi_cd: error in readtocentries, " 2241 "returning EINVAL\n"); 2242 kfree(data, M_SCSICD); 2243 kfree(lead, M_SCSICD); 2244 cam_periph_unlock(periph); 2245 error = EINVAL; 2246 break; 2247 } 2248 2249 /* calculate reading length without leadout entry */ 2250 readlen = (th->ending_track - starting_track + 1) * 2251 sizeof(struct cd_toc_entry); 2252 2253 /* and with leadout entry */ 2254 len = readlen + sizeof(struct cd_toc_entry); 2255 if (te->data_len < len) { 2256 len = te->data_len; 2257 if (readlen > len) 2258 readlen = len; 2259 } 2260 if (len > sizeof(data->entries)) { 2261 kprintf("scsi_cd: error in readtocentries, " 2262 "returning EINVAL\n"); 2263 error = EINVAL; 2264 kfree(data, M_SCSICD); 2265 kfree(lead, M_SCSICD); 2266 cam_periph_unlock(periph); 2267 break; 2268 } 2269 num = len / sizeof(struct cd_toc_entry); 2270 2271 if (readlen > 0) { 2272 error = cdreadtoc(periph, te->address_format, 2273 starting_track, 2274 (u_int8_t *)data, 2275 readlen + sizeof (*th), 2276 /*sense_flags*/0); 2277 if (error) { 2278 kfree(data, M_SCSICD); 2279 kfree(lead, M_SCSICD); 2280 cam_periph_unlock(periph); 2281 break; 2282 } 2283 } 2284 2285 /* make leadout entry if needed */ 2286 idx = starting_track + num - 1; 2287 if (softc->quirks & CD_Q_BCD_TRACKS) 2288 th->ending_track = bcd2bin(th->ending_track); 2289 if (idx == th->ending_track + 1) { 2290 error = cdreadtoc(periph, te->address_format, 2291 LEADOUT, (u_int8_t *)lead, 2292 sizeof(*lead), 2293 /*sense_flags*/0); 2294 if (error) { 2295 kfree(data, M_SCSICD); 2296 kfree(lead, M_SCSICD); 2297 cam_periph_unlock(periph); 2298 break; 2299 } 2300 data->entries[idx - starting_track] = 2301 lead->entry; 2302 } 2303 if (softc->quirks & CD_Q_BCD_TRACKS) { 2304 for (idx = 0; idx < num - 1; idx++) { 2305 data->entries[idx].track = 2306 bcd2bin(data->entries[idx].track); 2307 } 2308 } 2309 2310 cam_periph_unlock(periph); 2311 error = copyout(data->entries, te->data, len); 2312 kfree(data, M_SCSICD); 2313 kfree(lead, M_SCSICD); 2314 } 2315 break; 2316 case CDIOREADTOCENTRY: 2317 { 2318 struct cd_toc_single *data; 2319 struct ioc_read_toc_single_entry *te = 2320 (struct ioc_read_toc_single_entry *) addr; 2321 struct ioc_toc_header *th; 2322 u_int32_t track; 2323 2324 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2325 2326 cam_periph_lock(periph); 2327 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2328 ("trying to do CDIOREADTOCENTRY\n")); 2329 2330 if (te->address_format != CD_MSF_FORMAT 2331 && te->address_format != CD_LBA_FORMAT) { 2332 kprintf("error in readtocentry, " 2333 " returning EINVAL\n"); 2334 kfree(data, M_SCSICD); 2335 error = EINVAL; 2336 cam_periph_unlock(periph); 2337 break; 2338 } 2339 2340 th = &data->header; 2341 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2342 sizeof (*th), /*sense_flags*/0); 2343 if (error) { 2344 kfree(data, M_SCSICD); 2345 cam_periph_unlock(periph); 2346 break; 2347 } 2348 2349 if (softc->quirks & CD_Q_BCD_TRACKS) { 2350 /* we are going to have to convert the BCD 2351 * encoding on the cd to what is expected 2352 */ 2353 th->starting_track = 2354 bcd2bin(th->starting_track); 2355 th->ending_track = bcd2bin(th->ending_track); 2356 } 2357 track = te->track; 2358 if (track == 0) 2359 track = th->starting_track; 2360 else if (track == LEADOUT) 2361 /* OK */; 2362 else if (track < th->starting_track || 2363 track > th->ending_track + 1) { 2364 kprintf("error in readtocentry, " 2365 " returning EINVAL\n"); 2366 kfree(data, M_SCSICD); 2367 error = EINVAL; 2368 cam_periph_unlock(periph); 2369 break; 2370 } 2371 2372 error = cdreadtoc(periph, te->address_format, track, 2373 (u_int8_t *)data, sizeof(*data), 2374 /*sense_flags*/0); 2375 if (error) { 2376 kfree(data, M_SCSICD); 2377 cam_periph_unlock(periph); 2378 break; 2379 } 2380 2381 if (softc->quirks & CD_Q_BCD_TRACKS) 2382 data->entry.track = bcd2bin(data->entry.track); 2383 bcopy(&data->entry, &te->entry, 2384 sizeof(struct cd_toc_entry)); 2385 kfree(data, M_SCSICD); 2386 cam_periph_unlock(periph); 2387 } 2388 break; 2389 case CDIOCSETPATCH: 2390 { 2391 struct ioc_patch *arg = (struct ioc_patch *)addr; 2392 struct cd_mode_params params; 2393 union cd_pages *page; 2394 2395 params.alloc_len = sizeof(union cd_mode_data_6_10); 2396 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2397 M_WAITOK | M_ZERO); 2398 2399 cam_periph_lock(periph); 2400 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2401 ("trying to do CDIOCSETPATCH\n")); 2402 2403 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2404 if (error) { 2405 kfree(params.mode_buf, M_SCSICD); 2406 cam_periph_unlock(periph); 2407 break; 2408 } 2409 page = cdgetpage(¶ms); 2410 2411 page->audio.port[LEFT_PORT].channels = 2412 arg->patch[0]; 2413 page->audio.port[RIGHT_PORT].channels = 2414 arg->patch[1]; 2415 page->audio.port[2].channels = arg->patch[2]; 2416 page->audio.port[3].channels = arg->patch[3]; 2417 error = cdsetmode(periph, ¶ms); 2418 kfree(params.mode_buf, M_SCSICD); 2419 cam_periph_unlock(periph); 2420 } 2421 break; 2422 case CDIOCGETVOL: 2423 { 2424 struct ioc_vol *arg = (struct ioc_vol *) addr; 2425 struct cd_mode_params params; 2426 union cd_pages *page; 2427 2428 params.alloc_len = sizeof(union cd_mode_data_6_10); 2429 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2430 M_WAITOK | M_ZERO); 2431 2432 cam_periph_lock(periph); 2433 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2434 ("trying to do CDIOCGETVOL\n")); 2435 2436 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2437 if (error) { 2438 kfree(params.mode_buf, M_SCSICD); 2439 cam_periph_unlock(periph); 2440 break; 2441 } 2442 page = cdgetpage(¶ms); 2443 2444 arg->vol[LEFT_PORT] = 2445 page->audio.port[LEFT_PORT].volume; 2446 arg->vol[RIGHT_PORT] = 2447 page->audio.port[RIGHT_PORT].volume; 2448 arg->vol[2] = page->audio.port[2].volume; 2449 arg->vol[3] = page->audio.port[3].volume; 2450 kfree(params.mode_buf, M_SCSICD); 2451 cam_periph_unlock(periph); 2452 } 2453 break; 2454 case CDIOCSETVOL: 2455 { 2456 struct ioc_vol *arg = (struct ioc_vol *) addr; 2457 struct cd_mode_params params; 2458 union cd_pages *page; 2459 2460 params.alloc_len = sizeof(union cd_mode_data_6_10); 2461 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2462 M_WAITOK | M_ZERO); 2463 2464 cam_periph_lock(periph); 2465 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2466 ("trying to do CDIOCSETVOL\n")); 2467 2468 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2469 if (error) { 2470 kfree(params.mode_buf, M_SCSICD); 2471 cam_periph_unlock(periph); 2472 break; 2473 } 2474 page = cdgetpage(¶ms); 2475 2476 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2477 page->audio.port[LEFT_PORT].volume = 2478 arg->vol[LEFT_PORT]; 2479 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2480 page->audio.port[RIGHT_PORT].volume = 2481 arg->vol[RIGHT_PORT]; 2482 page->audio.port[2].volume = arg->vol[2]; 2483 page->audio.port[3].volume = arg->vol[3]; 2484 error = cdsetmode(periph, ¶ms); 2485 cam_periph_unlock(periph); 2486 kfree(params.mode_buf, M_SCSICD); 2487 } 2488 break; 2489 case CDIOCSETMONO: 2490 { 2491 struct cd_mode_params params; 2492 union cd_pages *page; 2493 2494 params.alloc_len = sizeof(union cd_mode_data_6_10); 2495 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2496 M_WAITOK | M_ZERO); 2497 2498 cam_periph_lock(periph); 2499 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2500 ("trying to do CDIOCSETMONO\n")); 2501 2502 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2503 if (error) { 2504 kfree(params.mode_buf, M_SCSICD); 2505 cam_periph_unlock(periph); 2506 break; 2507 } 2508 page = cdgetpage(¶ms); 2509 2510 page->audio.port[LEFT_PORT].channels = 2511 LEFT_CHANNEL | RIGHT_CHANNEL; 2512 page->audio.port[RIGHT_PORT].channels = 2513 LEFT_CHANNEL | RIGHT_CHANNEL; 2514 page->audio.port[2].channels = 0; 2515 page->audio.port[3].channels = 0; 2516 error = cdsetmode(periph, ¶ms); 2517 cam_periph_unlock(periph); 2518 kfree(params.mode_buf, M_SCSICD); 2519 } 2520 break; 2521 case CDIOCSETSTEREO: 2522 { 2523 struct cd_mode_params params; 2524 union cd_pages *page; 2525 2526 params.alloc_len = sizeof(union cd_mode_data_6_10); 2527 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2528 M_WAITOK | M_ZERO); 2529 2530 cam_periph_lock(periph); 2531 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2532 ("trying to do CDIOCSETSTEREO\n")); 2533 2534 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2535 if (error) { 2536 kfree(params.mode_buf, M_SCSICD); 2537 cam_periph_unlock(periph); 2538 break; 2539 } 2540 page = cdgetpage(¶ms); 2541 2542 page->audio.port[LEFT_PORT].channels = 2543 LEFT_CHANNEL; 2544 page->audio.port[RIGHT_PORT].channels = 2545 RIGHT_CHANNEL; 2546 page->audio.port[2].channels = 0; 2547 page->audio.port[3].channels = 0; 2548 error = cdsetmode(periph, ¶ms); 2549 kfree(params.mode_buf, M_SCSICD); 2550 cam_periph_unlock(periph); 2551 } 2552 break; 2553 case CDIOCSETMUTE: 2554 { 2555 struct cd_mode_params params; 2556 union cd_pages *page; 2557 2558 params.alloc_len = sizeof(union cd_mode_data_6_10); 2559 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2560 M_WAITOK | M_ZERO); 2561 2562 cam_periph_lock(periph); 2563 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2564 ("trying to do CDIOCSETMUTE\n")); 2565 2566 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2567 if (error) { 2568 kfree(¶ms, M_SCSICD); 2569 cam_periph_unlock(periph); 2570 break; 2571 } 2572 page = cdgetpage(¶ms); 2573 2574 page->audio.port[LEFT_PORT].channels = 0; 2575 page->audio.port[RIGHT_PORT].channels = 0; 2576 page->audio.port[2].channels = 0; 2577 page->audio.port[3].channels = 0; 2578 error = cdsetmode(periph, ¶ms); 2579 kfree(params.mode_buf, M_SCSICD); 2580 cam_periph_unlock(periph); 2581 } 2582 break; 2583 case CDIOCSETLEFT: 2584 { 2585 struct cd_mode_params params; 2586 union cd_pages *page; 2587 2588 params.alloc_len = sizeof(union cd_mode_data_6_10); 2589 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2590 M_WAITOK | M_ZERO); 2591 2592 cam_periph_lock(periph); 2593 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2594 ("trying to do CDIOCSETLEFT\n")); 2595 2596 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2597 if (error) { 2598 kfree(params.mode_buf, M_SCSICD); 2599 cam_periph_unlock(periph); 2600 break; 2601 } 2602 page = cdgetpage(¶ms); 2603 2604 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2605 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2606 page->audio.port[2].channels = 0; 2607 page->audio.port[3].channels = 0; 2608 error = cdsetmode(periph, ¶ms); 2609 kfree(params.mode_buf, M_SCSICD); 2610 cam_periph_unlock(periph); 2611 } 2612 break; 2613 case CDIOCSETRIGHT: 2614 { 2615 struct cd_mode_params params; 2616 union cd_pages *page; 2617 2618 params.alloc_len = sizeof(union cd_mode_data_6_10); 2619 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2620 M_WAITOK | M_ZERO); 2621 2622 cam_periph_lock(periph); 2623 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2624 ("trying to do CDIOCSETRIGHT\n")); 2625 2626 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2627 if (error) { 2628 kfree(params.mode_buf, M_SCSICD); 2629 cam_periph_unlock(periph); 2630 break; 2631 } 2632 page = cdgetpage(¶ms); 2633 2634 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2635 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2636 page->audio.port[2].channels = 0; 2637 page->audio.port[3].channels = 0; 2638 error = cdsetmode(periph, ¶ms); 2639 kfree(params.mode_buf, M_SCSICD); 2640 cam_periph_unlock(periph); 2641 } 2642 break; 2643 case CDIOCRESUME: 2644 cam_periph_lock(periph); 2645 error = cdpause(periph, 1); 2646 cam_periph_unlock(periph); 2647 break; 2648 case CDIOCPAUSE: 2649 cam_periph_lock(periph); 2650 error = cdpause(periph, 0); 2651 cam_periph_unlock(periph); 2652 break; 2653 case CDIOCSTART: 2654 cam_periph_lock(periph); 2655 error = cdstartunit(periph, 0); 2656 cam_periph_unlock(periph); 2657 break; 2658 case CDIOCCLOSE: 2659 cam_periph_lock(periph); 2660 error = cdstartunit(periph, 1); 2661 cam_periph_unlock(periph); 2662 break; 2663 case CDIOCSTOP: 2664 cam_periph_lock(periph); 2665 error = cdstopunit(periph, 0); 2666 cam_periph_unlock(periph); 2667 break; 2668 case CDIOCEJECT: 2669 cam_periph_lock(periph); 2670 error = cdstopunit(periph, 1); 2671 cam_periph_unlock(periph); 2672 break; 2673 case CDIOCALLOW: 2674 cam_periph_lock(periph); 2675 cdprevent(periph, PR_ALLOW); 2676 cam_periph_unlock(periph); 2677 break; 2678 case CDIOCPREVENT: 2679 cam_periph_lock(periph); 2680 cdprevent(periph, PR_PREVENT); 2681 cam_periph_unlock(periph); 2682 break; 2683 case CDIOCSETDEBUG: 2684 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2685 error = ENOTTY; 2686 break; 2687 case CDIOCCLRDEBUG: 2688 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2689 error = ENOTTY; 2690 break; 2691 case CDIOCRESET: 2692 /* return (cd_reset(periph)); */ 2693 error = ENOTTY; 2694 break; 2695 case CDRIOCREADSPEED: 2696 cam_periph_lock(periph); 2697 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2698 cam_periph_unlock(periph); 2699 break; 2700 case CDRIOCWRITESPEED: 2701 cam_periph_lock(periph); 2702 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2703 cam_periph_unlock(periph); 2704 break; 2705 case DVDIOCSENDKEY: 2706 case DVDIOCREPORTKEY: { 2707 struct dvd_authinfo *authinfo; 2708 2709 authinfo = (struct dvd_authinfo *)addr; 2710 2711 cam_periph_lock(periph); 2712 if (ap->a_cmd == DVDIOCREPORTKEY) 2713 error = cdreportkey(periph, authinfo); 2714 else 2715 error = cdsendkey(periph, authinfo); 2716 cam_periph_unlock(periph); 2717 break; 2718 } 2719 case DVDIOCREADSTRUCTURE: { 2720 struct dvd_struct *dvdstruct; 2721 2722 dvdstruct = (struct dvd_struct *)addr; 2723 2724 cam_periph_lock(periph); 2725 error = cdreaddvdstructure(periph, dvdstruct); 2726 cam_periph_unlock(periph); 2727 2728 break; 2729 } 2730 default: 2731 cam_periph_lock(periph); 2732 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2733 cam_periph_unlock(periph); 2734 break; 2735 } 2736 2737 cam_periph_lock(periph); 2738 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2739 cam_periph_unhold(periph, 1); 2740 2741 return (error); 2742 } 2743 2744 static void 2745 cdprevent(struct cam_periph *periph, int action) 2746 { 2747 union ccb *ccb; 2748 struct cd_softc *softc; 2749 int error; 2750 2751 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2752 2753 softc = (struct cd_softc *)periph->softc; 2754 2755 if (((action == PR_ALLOW) 2756 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2757 || ((action == PR_PREVENT) 2758 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2759 return; 2760 } 2761 2762 ccb = cdgetccb(periph, /* priority */ 1); 2763 2764 scsi_prevent(&ccb->csio, 2765 /*retries*/ 1, 2766 cddone, 2767 MSG_SIMPLE_Q_TAG, 2768 action, 2769 SSD_FULL_SIZE, 2770 /* timeout */60000); 2771 2772 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2773 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2774 2775 xpt_release_ccb(ccb); 2776 2777 if (error == 0) { 2778 if (action == PR_ALLOW) 2779 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2780 else 2781 softc->flags |= CD_FLAG_DISC_LOCKED; 2782 } 2783 } 2784 2785 int 2786 cdcheckmedia(struct cam_periph *periph) 2787 { 2788 struct cd_softc *softc; 2789 struct ioc_toc_header *toch; 2790 struct cd_toc_single leadout; 2791 struct ccb_getdev cgd; 2792 u_int32_t size, toclen; 2793 int error, num_entries, cdindex; 2794 int first_track_audio; 2795 struct disk_info info; 2796 2797 softc = (struct cd_softc *)periph->softc; 2798 2799 first_track_audio = -1; 2800 error = 0; 2801 2802 cdprevent(periph, PR_PREVENT); 2803 2804 /* 2805 * Set up disk info fields and tell the disk subsystem to reset 2806 * its internal copy of the label. 2807 */ 2808 bzero(&info, sizeof(info)); 2809 info.d_type = DTYPE_SCSI; 2810 info.d_dsflags &= ~DSO_COMPATLABEL; 2811 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2812 info.d_serialno = xpt_path_serialno(periph->path); 2813 2814 /* 2815 * Grab the inquiry data to get the vendor and product names. 2816 * Put them in the typename and packname for the label. 2817 */ 2818 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2819 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2820 xpt_action((union ccb *)&cgd); 2821 2822 #if 0 2823 strncpy(label->d_typename, cgd.inq_data.vendor, 2824 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2825 strncpy(label->d_packname, cgd.inq_data.product, 2826 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2827 #endif 2828 /* 2829 * Clear the valid media and TOC flags until we've verified that we 2830 * have both. 2831 */ 2832 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2833 2834 /* 2835 * Get the disc size and block size. If we can't get it, we don't 2836 * have media, most likely. 2837 */ 2838 if ((error = cdsize(periph, &size)) != 0) { 2839 /* 2840 * Set a bogus sector size, so the slice code won't try to 2841 * divide by 0 and panic the kernel. 2842 */ 2843 info.d_media_blksize = 2048; 2844 disk_setdiskinfo(&softc->disk, &info); 2845 2846 /* 2847 * Tell devstat(9) we don't have a blocksize. 2848 */ 2849 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2850 2851 cdprevent(periph, PR_ALLOW); 2852 2853 return (error); 2854 } else { 2855 info.d_media_blksize = softc->params.blksize; 2856 info.d_media_blocks = softc->params.disksize; 2857 disk_setdiskinfo(&softc->disk, &info); 2858 2859 /* 2860 * We unconditionally (re)set the blocksize each time the 2861 * CD device is opened. This is because the CD can change, 2862 * and therefore the blocksize might change. 2863 * XXX problems here if some slice or partition is still 2864 * open with the old size? 2865 */ 2866 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2867 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2868 softc->device_stats.block_size = softc->params.blksize; 2869 2870 softc->flags |= CD_FLAG_VALID_MEDIA; 2871 } 2872 2873 /* 2874 * Now we check the table of contents. This (currently) is only 2875 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2876 * things like present a separate entry in /dev for each track, 2877 * like that acd(4) driver does. 2878 */ 2879 bzero(&softc->toc, sizeof(softc->toc)); 2880 toch = &softc->toc.header; 2881 2882 /* 2883 * We will get errors here for media that doesn't have a table of 2884 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2885 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2886 * has not been recorded (no complete session) and the Format codes 2887 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2888 * with an INVALID FIELD IN CDB. Devices that are not capable of 2889 * reading an incomplete session on DDC/CD-R/RW media shall report 2890 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2891 * 2892 * So this isn't fatal if we can't read the table of contents, it 2893 * just means that the user won't be able to issue the play tracks 2894 * ioctl, and likely lots of other stuff won't work either. They 2895 * need to burn the CD before we can do a whole lot with it. So 2896 * we don't print anything here if we get an error back. 2897 */ 2898 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2899 SF_NO_PRINT); 2900 /* 2901 * Errors in reading the table of contents aren't fatal, we just 2902 * won't have a valid table of contents cached. 2903 */ 2904 if (error != 0) { 2905 error = 0; 2906 bzero(&softc->toc, sizeof(softc->toc)); 2907 goto bailout; 2908 } 2909 2910 if (softc->quirks & CD_Q_BCD_TRACKS) { 2911 toch->starting_track = bcd2bin(toch->starting_track); 2912 toch->ending_track = bcd2bin(toch->ending_track); 2913 } 2914 2915 /* Number of TOC entries, plus leadout */ 2916 num_entries = (toch->ending_track - toch->starting_track) + 2; 2917 2918 if (num_entries <= 0) 2919 goto bailout; 2920 2921 toclen = num_entries * sizeof(struct cd_toc_entry); 2922 2923 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2924 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2925 SF_NO_PRINT); 2926 if (error != 0) { 2927 error = 0; 2928 bzero(&softc->toc, sizeof(softc->toc)); 2929 goto bailout; 2930 } 2931 2932 if (softc->quirks & CD_Q_BCD_TRACKS) { 2933 toch->starting_track = bcd2bin(toch->starting_track); 2934 toch->ending_track = bcd2bin(toch->ending_track); 2935 } 2936 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2937 2938 /* 2939 * XXX KDM is this necessary? Probably only if the drive doesn't 2940 * return leadout information with the table of contents. 2941 */ 2942 cdindex = toch->starting_track + num_entries -1; 2943 if (cdindex == toch->ending_track + 1) { 2944 2945 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2946 (u_int8_t *)&leadout, sizeof(leadout), 2947 SF_NO_PRINT); 2948 if (error != 0) { 2949 error = 0; 2950 goto bailout; 2951 } 2952 softc->toc.entries[cdindex - toch->starting_track] = 2953 leadout.entry; 2954 } 2955 if (softc->quirks & CD_Q_BCD_TRACKS) { 2956 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2957 softc->toc.entries[cdindex].track = 2958 bcd2bin(softc->toc.entries[cdindex].track); 2959 } 2960 } 2961 2962 /* 2963 * Run through the TOC entries, find the first entry and determine 2964 * whether it is an audio or data track. 2965 */ 2966 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2967 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2968 if (softc->toc.entries[cdindex].control & 0x04) 2969 first_track_audio = 0; 2970 else 2971 first_track_audio = 1; 2972 break; 2973 } 2974 } 2975 2976 /* 2977 * If first_track_audio is non-zero, we either have an error (e.g. 2978 * couldn't find the starting track) or the first track is an audio 2979 * track. If first_track_audio is 0, the first track is a data 2980 * track that could have a disklabel. Attempt to read the 2981 * disklabel off the media, just in case the user put one there. 2982 */ 2983 if (first_track_audio == 0) { 2984 info.d_dsflags |= DSO_COMPATLABEL; 2985 info.d_dsflags &= ~DSO_NOLABELS; 2986 disk_setdiskinfo(&softc->disk, &info); 2987 } 2988 softc->flags |= CD_FLAG_VALID_TOC; 2989 2990 bailout: 2991 return (error); 2992 } 2993 2994 static int 2995 cdsize(struct cam_periph *periph, u_int32_t *size) 2996 { 2997 struct cd_softc *softc; 2998 union ccb *ccb; 2999 struct scsi_read_capacity_data *rcap_buf; 3000 int error; 3001 3002 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3003 3004 softc = (struct cd_softc *)periph->softc; 3005 3006 ccb = cdgetccb(periph, /* priority */ 1); 3007 3008 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3009 M_SCSICD, M_INTWAIT | M_ZERO); 3010 3011 scsi_read_capacity(&ccb->csio, 3012 /*retries*/ 1, 3013 cddone, 3014 MSG_SIMPLE_Q_TAG, 3015 rcap_buf, 3016 SSD_FULL_SIZE, 3017 /* timeout */20000); 3018 3019 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3020 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3021 3022 xpt_release_ccb(ccb); 3023 3024 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3025 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3026 /* 3027 * SCSI-3 mandates that the reported blocksize shall be 2048. 3028 * Older drives sometimes report funny values, trim it down to 3029 * 2048, or other parts of the kernel will get confused. 3030 * 3031 * XXX we leave drives alone that might report 512 bytes, as 3032 * well as drives reporting more weird sizes like perhaps 4K. 3033 */ 3034 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3035 softc->params.blksize = 2048; 3036 3037 kfree(rcap_buf, M_SCSICD); 3038 *size = softc->params.disksize; 3039 3040 return (error); 3041 3042 } 3043 3044 static int 3045 cd6byteworkaround(union ccb *ccb) 3046 { 3047 u_int8_t *cdb; 3048 struct cam_periph *periph; 3049 struct cd_softc *softc; 3050 struct cd_mode_params *params; 3051 int frozen, found; 3052 3053 periph = xpt_path_periph(ccb->ccb_h.path); 3054 softc = (struct cd_softc *)periph->softc; 3055 3056 cdb = ccb->csio.cdb_io.cdb_bytes; 3057 3058 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3059 || ((cdb[0] != MODE_SENSE_6) 3060 && (cdb[0] != MODE_SELECT_6))) 3061 return (0); 3062 3063 /* 3064 * Because there is no convenient place to stash the overall 3065 * cd_mode_params structure pointer, we have to grab it like this. 3066 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3067 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3068 * 3069 * XXX It would be nice if, at some point, we could increase the 3070 * number of available peripheral private pointers. Both pointers 3071 * are currently used in most every peripheral driver. 3072 */ 3073 found = 0; 3074 3075 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3076 if (params->mode_buf == ccb->csio.data_ptr) { 3077 found = 1; 3078 break; 3079 } 3080 } 3081 3082 /* 3083 * This shouldn't happen. All mode sense and mode select 3084 * operations in the cd(4) driver MUST go through cdgetmode() and 3085 * cdsetmode()! 3086 */ 3087 if (found == 0) { 3088 xpt_print(periph->path, 3089 "mode buffer not found in mode queue!\n"); 3090 return (0); 3091 } 3092 3093 params->cdb_size = 10; 3094 softc->minimum_command_size = 10; 3095 xpt_print(ccb->ccb_h.path, 3096 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3097 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3098 3099 if (cdb[0] == MODE_SENSE_6) { 3100 struct scsi_mode_sense_10 ms10; 3101 struct scsi_mode_sense_6 *ms6; 3102 int len; 3103 3104 ms6 = (struct scsi_mode_sense_6 *)cdb; 3105 3106 bzero(&ms10, sizeof(ms10)); 3107 ms10.opcode = MODE_SENSE_10; 3108 ms10.byte2 = ms6->byte2; 3109 ms10.page = ms6->page; 3110 3111 /* 3112 * 10 byte mode header, block descriptor, 3113 * sizeof(union cd_pages) 3114 */ 3115 len = sizeof(struct cd_mode_data_10); 3116 ccb->csio.dxfer_len = len; 3117 3118 scsi_ulto2b(len, ms10.length); 3119 ms10.control = ms6->control; 3120 bcopy(&ms10, cdb, 10); 3121 ccb->csio.cdb_len = 10; 3122 } else { 3123 struct scsi_mode_select_10 ms10; 3124 struct scsi_mode_select_6 *ms6; 3125 struct scsi_mode_header_6 *header6; 3126 struct scsi_mode_header_10 *header10; 3127 struct scsi_mode_page_header *page_header; 3128 int blk_desc_len, page_num, page_size, len; 3129 3130 ms6 = (struct scsi_mode_select_6 *)cdb; 3131 3132 bzero(&ms10, sizeof(ms10)); 3133 ms10.opcode = MODE_SELECT_10; 3134 ms10.byte2 = ms6->byte2; 3135 3136 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3137 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3138 3139 page_header = find_mode_page_6(header6); 3140 page_num = page_header->page_code; 3141 3142 blk_desc_len = header6->blk_desc_len; 3143 3144 page_size = cdgetpagesize(page_num); 3145 3146 if (page_size != (page_header->page_length + 3147 sizeof(*page_header))) 3148 page_size = page_header->page_length + 3149 sizeof(*page_header); 3150 3151 len = sizeof(*header10) + blk_desc_len + page_size; 3152 3153 len = min(params->alloc_len, len); 3154 3155 /* 3156 * Since the 6 byte parameter header is shorter than the 10 3157 * byte parameter header, we need to copy the actual mode 3158 * page data, and the block descriptor, if any, so things wind 3159 * up in the right place. The regions will overlap, but 3160 * bcopy() does the right thing. 3161 */ 3162 bcopy(params->mode_buf + sizeof(*header6), 3163 params->mode_buf + sizeof(*header10), 3164 len - sizeof(*header10)); 3165 3166 /* Make sure these fields are set correctly. */ 3167 scsi_ulto2b(0, header10->data_length); 3168 header10->medium_type = 0; 3169 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3170 3171 ccb->csio.dxfer_len = len; 3172 3173 scsi_ulto2b(len, ms10.length); 3174 ms10.control = ms6->control; 3175 bcopy(&ms10, cdb, 10); 3176 ccb->csio.cdb_len = 10; 3177 } 3178 3179 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3180 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3181 xpt_action(ccb); 3182 if (frozen) { 3183 cam_release_devq(ccb->ccb_h.path, 3184 /*relsim_flags*/0, 3185 /*openings*/0, 3186 /*timeout*/0, 3187 /*getcount_only*/0); 3188 } 3189 3190 return (ERESTART); 3191 } 3192 3193 static int 3194 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3195 { 3196 struct cd_softc *softc; 3197 struct cam_periph *periph; 3198 int error; 3199 3200 periph = xpt_path_periph(ccb->ccb_h.path); 3201 softc = (struct cd_softc *)periph->softc; 3202 3203 error = 0; 3204 3205 /* 3206 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3207 * CDB comes back with this particular error, try transforming it 3208 * into the 10 byte version. 3209 */ 3210 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3211 error = cd6byteworkaround(ccb); 3212 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3213 CAM_SCSI_STATUS_ERROR) 3214 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3215 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3216 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3217 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3218 int sense_key, error_code, asc, ascq; 3219 3220 scsi_extract_sense(&ccb->csio.sense_data, 3221 &error_code, &sense_key, &asc, &ascq); 3222 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3223 error = cd6byteworkaround(ccb); 3224 } 3225 3226 if (error == ERESTART) 3227 return (error); 3228 3229 /* 3230 * XXX 3231 * Until we have a better way of doing pack validation, 3232 * don't treat UAs as errors. 3233 */ 3234 sense_flags |= SF_RETRY_UA; 3235 return (cam_periph_error(ccb, cam_flags, sense_flags, 3236 &softc->saved_ccb)); 3237 } 3238 3239 /* 3240 * Read table of contents 3241 */ 3242 static int 3243 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3244 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3245 { 3246 struct scsi_read_toc *scsi_cmd; 3247 u_int32_t ntoc; 3248 struct ccb_scsiio *csio; 3249 union ccb *ccb; 3250 int error; 3251 3252 ntoc = len; 3253 error = 0; 3254 3255 ccb = cdgetccb(periph, /* priority */ 1); 3256 3257 csio = &ccb->csio; 3258 3259 cam_fill_csio(csio, 3260 /* retries */ 1, 3261 /* cbfcnp */ cddone, 3262 /* flags */ CAM_DIR_IN, 3263 /* tag_action */ MSG_SIMPLE_Q_TAG, 3264 /* data_ptr */ data, 3265 /* dxfer_len */ len, 3266 /* sense_len */ SSD_FULL_SIZE, 3267 sizeof(struct scsi_read_toc), 3268 /* timeout */ 50000); 3269 3270 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3271 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3272 3273 if (mode == CD_MSF_FORMAT) 3274 scsi_cmd->byte2 |= CD_MSF; 3275 scsi_cmd->from_track = start; 3276 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3277 scsi_cmd->data_len[0] = (ntoc) >> 8; 3278 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3279 3280 scsi_cmd->op_code = READ_TOC; 3281 3282 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3283 /*sense_flags*/SF_RETRY_UA | sense_flags); 3284 3285 xpt_release_ccb(ccb); 3286 3287 return(error); 3288 } 3289 3290 static int 3291 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3292 u_int32_t format, int track, 3293 struct cd_sub_channel_info *data, u_int32_t len) 3294 { 3295 struct scsi_read_subchannel *scsi_cmd; 3296 struct ccb_scsiio *csio; 3297 union ccb *ccb; 3298 int error; 3299 3300 error = 0; 3301 3302 ccb = cdgetccb(periph, /* priority */ 1); 3303 3304 csio = &ccb->csio; 3305 3306 cam_fill_csio(csio, 3307 /* retries */ 1, 3308 /* cbfcnp */ cddone, 3309 /* flags */ CAM_DIR_IN, 3310 /* tag_action */ MSG_SIMPLE_Q_TAG, 3311 /* data_ptr */ (u_int8_t *)data, 3312 /* dxfer_len */ len, 3313 /* sense_len */ SSD_FULL_SIZE, 3314 sizeof(struct scsi_read_subchannel), 3315 /* timeout */ 50000); 3316 3317 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3318 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3319 3320 scsi_cmd->op_code = READ_SUBCHANNEL; 3321 if (mode == CD_MSF_FORMAT) 3322 scsi_cmd->byte1 |= CD_MSF; 3323 scsi_cmd->byte2 = SRS_SUBQ; 3324 scsi_cmd->subchan_format = format; 3325 scsi_cmd->track = track; 3326 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3327 scsi_cmd->control = 0; 3328 3329 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3330 /*sense_flags*/SF_RETRY_UA); 3331 3332 xpt_release_ccb(ccb); 3333 3334 return(error); 3335 } 3336 3337 /* 3338 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3339 * routine. See comments in cd6byteworkaround() for details. 3340 */ 3341 static int 3342 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3343 u_int32_t page) 3344 { 3345 struct ccb_scsiio *csio; 3346 struct cd_softc *softc; 3347 union ccb *ccb; 3348 int param_len; 3349 int error; 3350 3351 softc = (struct cd_softc *)periph->softc; 3352 3353 ccb = cdgetccb(periph, /* priority */ 1); 3354 3355 csio = &ccb->csio; 3356 3357 data->cdb_size = softc->minimum_command_size; 3358 if (data->cdb_size < 10) 3359 param_len = sizeof(struct cd_mode_data); 3360 else 3361 param_len = sizeof(struct cd_mode_data_10); 3362 3363 /* Don't say we've got more room than we actually allocated */ 3364 param_len = min(param_len, data->alloc_len); 3365 3366 scsi_mode_sense_len(csio, 3367 /* retries */ 1, 3368 /* cbfcnp */ cddone, 3369 /* tag_action */ MSG_SIMPLE_Q_TAG, 3370 /* dbd */ 0, 3371 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3372 /* page */ page, 3373 /* param_buf */ data->mode_buf, 3374 /* param_len */ param_len, 3375 /* minimum_cmd_size */ softc->minimum_command_size, 3376 /* sense_len */ SSD_FULL_SIZE, 3377 /* timeout */ 50000); 3378 3379 /* 3380 * It would be nice not to have to do this, but there's no 3381 * available pointer in the CCB that would allow us to stuff the 3382 * mode params structure in there and retrieve it in 3383 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3384 * lets the caller know what CDB size we ended up using, so they 3385 * can find the actual mode page offset. 3386 */ 3387 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3388 3389 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3390 /*sense_flags*/SF_RETRY_UA); 3391 3392 xpt_release_ccb(ccb); 3393 3394 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3395 3396 /* 3397 * This is a bit of belt-and-suspenders checking, but if we run 3398 * into a situation where the target sends back multiple block 3399 * descriptors, we might not have enough space in the buffer to 3400 * see the whole mode page. Better to return an error than 3401 * potentially access memory beyond our malloced region. 3402 */ 3403 if (error == 0) { 3404 u_int32_t data_len; 3405 3406 if (data->cdb_size == 10) { 3407 struct scsi_mode_header_10 *hdr10; 3408 3409 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3410 data_len = scsi_2btoul(hdr10->data_length); 3411 data_len += sizeof(hdr10->data_length); 3412 } else { 3413 struct scsi_mode_header_6 *hdr6; 3414 3415 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3416 data_len = hdr6->data_length; 3417 data_len += sizeof(hdr6->data_length); 3418 } 3419 3420 /* 3421 * Complain if there is more mode data available than we 3422 * allocated space for. This could potentially happen if 3423 * we miscalculated the page length for some reason, if the 3424 * drive returns multiple block descriptors, or if it sets 3425 * the data length incorrectly. 3426 */ 3427 if (data_len > data->alloc_len) { 3428 xpt_print(periph->path, "allocated modepage %d length " 3429 "%d < returned length %d\n", page, data->alloc_len, 3430 data_len); 3431 error = ENOSPC; 3432 } 3433 } 3434 return (error); 3435 } 3436 3437 /* 3438 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3439 * routine. See comments in cd6byteworkaround() for details. 3440 */ 3441 static int 3442 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3443 { 3444 struct ccb_scsiio *csio; 3445 struct cd_softc *softc; 3446 union ccb *ccb; 3447 int cdb_size, param_len; 3448 int error; 3449 3450 softc = (struct cd_softc *)periph->softc; 3451 3452 ccb = cdgetccb(periph, /* priority */ 1); 3453 3454 csio = &ccb->csio; 3455 3456 error = 0; 3457 3458 /* 3459 * If the data is formatted for the 10 byte version of the mode 3460 * select parameter list, we need to use the 10 byte CDB. 3461 * Otherwise, we use whatever the stored minimum command size. 3462 */ 3463 if (data->cdb_size == 10) 3464 cdb_size = data->cdb_size; 3465 else 3466 cdb_size = softc->minimum_command_size; 3467 3468 if (cdb_size >= 10) { 3469 struct scsi_mode_header_10 *mode_header; 3470 u_int32_t data_len; 3471 3472 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3473 3474 data_len = scsi_2btoul(mode_header->data_length); 3475 3476 scsi_ulto2b(0, mode_header->data_length); 3477 /* 3478 * SONY drives do not allow a mode select with a medium_type 3479 * value that has just been returned by a mode sense; use a 3480 * medium_type of 0 (Default) instead. 3481 */ 3482 mode_header->medium_type = 0; 3483 3484 /* 3485 * Pass back whatever the drive passed to us, plus the size 3486 * of the data length field. 3487 */ 3488 param_len = data_len + sizeof(mode_header->data_length); 3489 3490 } else { 3491 struct scsi_mode_header_6 *mode_header; 3492 3493 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3494 3495 param_len = mode_header->data_length + 1; 3496 3497 mode_header->data_length = 0; 3498 /* 3499 * SONY drives do not allow a mode select with a medium_type 3500 * value that has just been returned by a mode sense; use a 3501 * medium_type of 0 (Default) instead. 3502 */ 3503 mode_header->medium_type = 0; 3504 } 3505 3506 /* Don't say we've got more room than we actually allocated */ 3507 param_len = min(param_len, data->alloc_len); 3508 3509 scsi_mode_select_len(csio, 3510 /* retries */ 1, 3511 /* cbfcnp */ cddone, 3512 /* tag_action */ MSG_SIMPLE_Q_TAG, 3513 /* scsi_page_fmt */ 1, 3514 /* save_pages */ 0, 3515 /* param_buf */ data->mode_buf, 3516 /* param_len */ param_len, 3517 /* minimum_cmd_size */ cdb_size, 3518 /* sense_len */ SSD_FULL_SIZE, 3519 /* timeout */ 50000); 3520 3521 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3522 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3523 3524 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3525 /*sense_flags*/SF_RETRY_UA); 3526 3527 xpt_release_ccb(ccb); 3528 3529 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3530 3531 return (error); 3532 } 3533 3534 3535 3536 static int 3537 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3538 { 3539 struct ccb_scsiio *csio; 3540 union ccb *ccb; 3541 int error; 3542 u_int8_t cdb_len; 3543 3544 error = 0; 3545 ccb = cdgetccb(periph, /* priority */ 1); 3546 csio = &ccb->csio; 3547 /* 3548 * Use the smallest possible command to perform the operation. 3549 */ 3550 if ((len & 0xffff0000) == 0) { 3551 /* 3552 * We can fit in a 10 byte cdb. 3553 */ 3554 struct scsi_play_10 *scsi_cmd; 3555 3556 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3557 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3558 scsi_cmd->op_code = PLAY_10; 3559 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3560 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3561 cdb_len = sizeof(*scsi_cmd); 3562 } else { 3563 struct scsi_play_12 *scsi_cmd; 3564 3565 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3566 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3567 scsi_cmd->op_code = PLAY_12; 3568 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3569 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3570 cdb_len = sizeof(*scsi_cmd); 3571 } 3572 cam_fill_csio(csio, 3573 /*retries*/2, 3574 cddone, 3575 /*flags*/CAM_DIR_NONE, 3576 MSG_SIMPLE_Q_TAG, 3577 /*dataptr*/NULL, 3578 /*datalen*/0, 3579 /*sense_len*/SSD_FULL_SIZE, 3580 cdb_len, 3581 /*timeout*/50 * 1000); 3582 3583 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3584 /*sense_flags*/SF_RETRY_UA); 3585 3586 xpt_release_ccb(ccb); 3587 3588 return(error); 3589 } 3590 3591 static int 3592 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3593 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3594 { 3595 struct scsi_play_msf *scsi_cmd; 3596 struct ccb_scsiio *csio; 3597 union ccb *ccb; 3598 int error; 3599 3600 error = 0; 3601 3602 ccb = cdgetccb(periph, /* priority */ 1); 3603 3604 csio = &ccb->csio; 3605 3606 cam_fill_csio(csio, 3607 /* retries */ 1, 3608 /* cbfcnp */ cddone, 3609 /* flags */ CAM_DIR_NONE, 3610 /* tag_action */ MSG_SIMPLE_Q_TAG, 3611 /* data_ptr */ NULL, 3612 /* dxfer_len */ 0, 3613 /* sense_len */ SSD_FULL_SIZE, 3614 sizeof(struct scsi_play_msf), 3615 /* timeout */ 50000); 3616 3617 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3618 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3619 3620 scsi_cmd->op_code = PLAY_MSF; 3621 scsi_cmd->start_m = startm; 3622 scsi_cmd->start_s = starts; 3623 scsi_cmd->start_f = startf; 3624 scsi_cmd->end_m = endm; 3625 scsi_cmd->end_s = ends; 3626 scsi_cmd->end_f = endf; 3627 3628 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3629 /*sense_flags*/SF_RETRY_UA); 3630 3631 xpt_release_ccb(ccb); 3632 3633 return(error); 3634 } 3635 3636 3637 static int 3638 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3639 u_int32_t etrack, u_int32_t eindex) 3640 { 3641 struct scsi_play_track *scsi_cmd; 3642 struct ccb_scsiio *csio; 3643 union ccb *ccb; 3644 int error; 3645 3646 error = 0; 3647 3648 ccb = cdgetccb(periph, /* priority */ 1); 3649 3650 csio = &ccb->csio; 3651 3652 cam_fill_csio(csio, 3653 /* retries */ 1, 3654 /* cbfcnp */ cddone, 3655 /* flags */ CAM_DIR_NONE, 3656 /* tag_action */ MSG_SIMPLE_Q_TAG, 3657 /* data_ptr */ NULL, 3658 /* dxfer_len */ 0, 3659 /* sense_len */ SSD_FULL_SIZE, 3660 sizeof(struct scsi_play_track), 3661 /* timeout */ 50000); 3662 3663 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3664 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3665 3666 scsi_cmd->op_code = PLAY_TRACK; 3667 scsi_cmd->start_track = strack; 3668 scsi_cmd->start_index = sindex; 3669 scsi_cmd->end_track = etrack; 3670 scsi_cmd->end_index = eindex; 3671 3672 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3673 /*sense_flags*/SF_RETRY_UA); 3674 3675 xpt_release_ccb(ccb); 3676 3677 return(error); 3678 } 3679 3680 static int 3681 cdpause(struct cam_periph *periph, u_int32_t go) 3682 { 3683 struct scsi_pause *scsi_cmd; 3684 struct ccb_scsiio *csio; 3685 union ccb *ccb; 3686 int error; 3687 3688 error = 0; 3689 3690 ccb = cdgetccb(periph, /* priority */ 1); 3691 3692 csio = &ccb->csio; 3693 3694 cam_fill_csio(csio, 3695 /* retries */ 1, 3696 /* cbfcnp */ cddone, 3697 /* flags */ CAM_DIR_NONE, 3698 /* tag_action */ MSG_SIMPLE_Q_TAG, 3699 /* data_ptr */ NULL, 3700 /* dxfer_len */ 0, 3701 /* sense_len */ SSD_FULL_SIZE, 3702 sizeof(struct scsi_pause), 3703 /* timeout */ 50000); 3704 3705 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3706 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3707 3708 scsi_cmd->op_code = PAUSE; 3709 scsi_cmd->resume = go; 3710 3711 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3712 /*sense_flags*/SF_RETRY_UA); 3713 3714 xpt_release_ccb(ccb); 3715 3716 return(error); 3717 } 3718 3719 static int 3720 cdstartunit(struct cam_periph *periph, int load) 3721 { 3722 union ccb *ccb; 3723 int error; 3724 3725 error = 0; 3726 3727 ccb = cdgetccb(periph, /* priority */ 1); 3728 3729 scsi_start_stop(&ccb->csio, 3730 /* retries */ 1, 3731 /* cbfcnp */ cddone, 3732 /* tag_action */ MSG_SIMPLE_Q_TAG, 3733 /* start */ TRUE, 3734 /* load_eject */ load, 3735 /* immediate */ FALSE, 3736 /* sense_len */ SSD_FULL_SIZE, 3737 /* timeout */ 50000); 3738 3739 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3740 /*sense_flags*/SF_RETRY_UA); 3741 3742 xpt_release_ccb(ccb); 3743 3744 return(error); 3745 } 3746 3747 static int 3748 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3749 { 3750 union ccb *ccb; 3751 int error; 3752 3753 error = 0; 3754 3755 ccb = cdgetccb(periph, /* priority */ 1); 3756 3757 scsi_start_stop(&ccb->csio, 3758 /* retries */ 1, 3759 /* cbfcnp */ cddone, 3760 /* tag_action */ MSG_SIMPLE_Q_TAG, 3761 /* start */ FALSE, 3762 /* load_eject */ eject, 3763 /* immediate */ FALSE, 3764 /* sense_len */ SSD_FULL_SIZE, 3765 /* timeout */ 50000); 3766 3767 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3768 /*sense_flags*/SF_RETRY_UA); 3769 3770 xpt_release_ccb(ccb); 3771 3772 return(error); 3773 } 3774 3775 static int 3776 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3777 { 3778 struct scsi_set_speed *scsi_cmd; 3779 struct ccb_scsiio *csio; 3780 union ccb *ccb; 3781 int error; 3782 3783 error = 0; 3784 ccb = cdgetccb(periph, /* priority */ 1); 3785 csio = &ccb->csio; 3786 3787 /* Preserve old behavior: units in multiples of CDROM speed */ 3788 if (rdspeed < 177) 3789 rdspeed *= 177; 3790 if (wrspeed < 177) 3791 wrspeed *= 177; 3792 3793 cam_fill_csio(csio, 3794 /* retries */ 1, 3795 /* cbfcnp */ cddone, 3796 /* flags */ CAM_DIR_NONE, 3797 /* tag_action */ MSG_SIMPLE_Q_TAG, 3798 /* data_ptr */ NULL, 3799 /* dxfer_len */ 0, 3800 /* sense_len */ SSD_FULL_SIZE, 3801 sizeof(struct scsi_set_speed), 3802 /* timeout */ 50000); 3803 3804 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3805 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3806 3807 scsi_cmd->opcode = SET_CD_SPEED; 3808 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3809 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3810 3811 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3812 /*sense_flags*/SF_RETRY_UA); 3813 3814 xpt_release_ccb(ccb); 3815 3816 return(error); 3817 } 3818 3819 static int 3820 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3821 { 3822 union ccb *ccb; 3823 u_int8_t *databuf; 3824 u_int32_t lba; 3825 int error; 3826 int length; 3827 3828 error = 0; 3829 databuf = NULL; 3830 lba = 0; 3831 3832 ccb = cdgetccb(periph, /* priority */ 1); 3833 3834 switch (authinfo->format) { 3835 case DVD_REPORT_AGID: 3836 length = sizeof(struct scsi_report_key_data_agid); 3837 break; 3838 case DVD_REPORT_CHALLENGE: 3839 length = sizeof(struct scsi_report_key_data_challenge); 3840 break; 3841 case DVD_REPORT_KEY1: 3842 length = sizeof(struct scsi_report_key_data_key1_key2); 3843 break; 3844 case DVD_REPORT_TITLE_KEY: 3845 length = sizeof(struct scsi_report_key_data_title); 3846 /* The lba field is only set for the title key */ 3847 lba = authinfo->lba; 3848 break; 3849 case DVD_REPORT_ASF: 3850 length = sizeof(struct scsi_report_key_data_asf); 3851 break; 3852 case DVD_REPORT_RPC: 3853 length = sizeof(struct scsi_report_key_data_rpc); 3854 break; 3855 case DVD_INVALIDATE_AGID: 3856 length = 0; 3857 break; 3858 default: 3859 error = EINVAL; 3860 goto bailout; 3861 break; /* NOTREACHED */ 3862 } 3863 3864 if (length != 0) { 3865 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3866 } else { 3867 databuf = NULL; 3868 } 3869 3870 3871 scsi_report_key(&ccb->csio, 3872 /* retries */ 1, 3873 /* cbfcnp */ cddone, 3874 /* tag_action */ MSG_SIMPLE_Q_TAG, 3875 /* lba */ lba, 3876 /* agid */ authinfo->agid, 3877 /* key_format */ authinfo->format, 3878 /* data_ptr */ databuf, 3879 /* dxfer_len */ length, 3880 /* sense_len */ SSD_FULL_SIZE, 3881 /* timeout */ 50000); 3882 3883 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3884 /*sense_flags*/SF_RETRY_UA); 3885 3886 if (error != 0) 3887 goto bailout; 3888 3889 if (ccb->csio.resid != 0) { 3890 xpt_print(periph->path, "warning, residual for report key " 3891 "command is %d\n", ccb->csio.resid); 3892 } 3893 3894 switch(authinfo->format) { 3895 case DVD_REPORT_AGID: { 3896 struct scsi_report_key_data_agid *agid_data; 3897 3898 agid_data = (struct scsi_report_key_data_agid *)databuf; 3899 3900 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3901 RKD_AGID_SHIFT; 3902 break; 3903 } 3904 case DVD_REPORT_CHALLENGE: { 3905 struct scsi_report_key_data_challenge *chal_data; 3906 3907 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3908 3909 bcopy(chal_data->challenge_key, authinfo->keychal, 3910 min(sizeof(chal_data->challenge_key), 3911 sizeof(authinfo->keychal))); 3912 break; 3913 } 3914 case DVD_REPORT_KEY1: { 3915 struct scsi_report_key_data_key1_key2 *key1_data; 3916 3917 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3918 3919 bcopy(key1_data->key1, authinfo->keychal, 3920 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3921 break; 3922 } 3923 case DVD_REPORT_TITLE_KEY: { 3924 struct scsi_report_key_data_title *title_data; 3925 3926 title_data = (struct scsi_report_key_data_title *)databuf; 3927 3928 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3929 RKD_TITLE_CPM_SHIFT; 3930 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3931 RKD_TITLE_CP_SEC_SHIFT; 3932 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3933 RKD_TITLE_CMGS_SHIFT; 3934 bcopy(title_data->title_key, authinfo->keychal, 3935 min(sizeof(title_data->title_key), 3936 sizeof(authinfo->keychal))); 3937 break; 3938 } 3939 case DVD_REPORT_ASF: { 3940 struct scsi_report_key_data_asf *asf_data; 3941 3942 asf_data = (struct scsi_report_key_data_asf *)databuf; 3943 3944 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3945 break; 3946 } 3947 case DVD_REPORT_RPC: { 3948 struct scsi_report_key_data_rpc *rpc_data; 3949 3950 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3951 3952 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3953 RKD_RPC_TYPE_SHIFT; 3954 authinfo->vend_rsts = 3955 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3956 RKD_RPC_VENDOR_RESET_SHIFT; 3957 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3958 authinfo->region = rpc_data->region_mask; 3959 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3960 break; 3961 } 3962 case DVD_INVALIDATE_AGID: 3963 break; 3964 default: 3965 /* This should be impossible, since we checked above */ 3966 error = EINVAL; 3967 goto bailout; 3968 break; /* NOTREACHED */ 3969 } 3970 bailout: 3971 if (databuf != NULL) 3972 kfree(databuf, M_DEVBUF); 3973 3974 xpt_release_ccb(ccb); 3975 3976 return(error); 3977 } 3978 3979 static int 3980 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3981 { 3982 union ccb *ccb; 3983 u_int8_t *databuf; 3984 int length; 3985 int error; 3986 3987 error = 0; 3988 databuf = NULL; 3989 3990 ccb = cdgetccb(periph, /* priority */ 1); 3991 3992 switch(authinfo->format) { 3993 case DVD_SEND_CHALLENGE: { 3994 struct scsi_report_key_data_challenge *challenge_data; 3995 3996 length = sizeof(*challenge_data); 3997 3998 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3999 4000 databuf = (u_int8_t *)challenge_data; 4001 4002 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4003 challenge_data->data_len); 4004 4005 bcopy(authinfo->keychal, challenge_data->challenge_key, 4006 min(sizeof(authinfo->keychal), 4007 sizeof(challenge_data->challenge_key))); 4008 break; 4009 } 4010 case DVD_SEND_KEY2: { 4011 struct scsi_report_key_data_key1_key2 *key2_data; 4012 4013 length = sizeof(*key2_data); 4014 4015 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4016 4017 databuf = (u_int8_t *)key2_data; 4018 4019 scsi_ulto2b(length - sizeof(key2_data->data_len), 4020 key2_data->data_len); 4021 4022 bcopy(authinfo->keychal, key2_data->key1, 4023 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4024 4025 break; 4026 } 4027 case DVD_SEND_RPC: { 4028 struct scsi_send_key_data_rpc *rpc_data; 4029 4030 length = sizeof(*rpc_data); 4031 4032 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4033 4034 databuf = (u_int8_t *)rpc_data; 4035 4036 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4037 rpc_data->data_len); 4038 4039 rpc_data->region_code = authinfo->region; 4040 break; 4041 } 4042 default: 4043 error = EINVAL; 4044 goto bailout; 4045 break; /* NOTREACHED */ 4046 } 4047 4048 scsi_send_key(&ccb->csio, 4049 /* retries */ 1, 4050 /* cbfcnp */ cddone, 4051 /* tag_action */ MSG_SIMPLE_Q_TAG, 4052 /* agid */ authinfo->agid, 4053 /* key_format */ authinfo->format, 4054 /* data_ptr */ databuf, 4055 /* dxfer_len */ length, 4056 /* sense_len */ SSD_FULL_SIZE, 4057 /* timeout */ 50000); 4058 4059 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4060 /*sense_flags*/SF_RETRY_UA); 4061 4062 bailout: 4063 4064 if (databuf != NULL) 4065 kfree(databuf, M_DEVBUF); 4066 4067 xpt_release_ccb(ccb); 4068 4069 return(error); 4070 } 4071 4072 static int 4073 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4074 { 4075 union ccb *ccb; 4076 u_int8_t *databuf; 4077 u_int32_t address; 4078 int error; 4079 int length; 4080 4081 error = 0; 4082 databuf = NULL; 4083 /* The address is reserved for many of the formats */ 4084 address = 0; 4085 4086 ccb = cdgetccb(periph, /* priority */ 1); 4087 4088 switch(dvdstruct->format) { 4089 case DVD_STRUCT_PHYSICAL: 4090 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4091 break; 4092 case DVD_STRUCT_COPYRIGHT: 4093 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4094 break; 4095 case DVD_STRUCT_DISCKEY: 4096 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4097 break; 4098 case DVD_STRUCT_BCA: 4099 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4100 break; 4101 case DVD_STRUCT_MANUFACT: 4102 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4103 break; 4104 case DVD_STRUCT_CMI: 4105 error = ENODEV; 4106 goto bailout; 4107 #ifdef notyet 4108 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4109 address = dvdstruct->address; 4110 #endif 4111 break; /* NOTREACHED */ 4112 case DVD_STRUCT_PROTDISCID: 4113 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4114 break; 4115 case DVD_STRUCT_DISCKEYBLOCK: 4116 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4117 break; 4118 case DVD_STRUCT_DDS: 4119 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4120 break; 4121 case DVD_STRUCT_MEDIUM_STAT: 4122 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4123 break; 4124 case DVD_STRUCT_SPARE_AREA: 4125 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4126 break; 4127 case DVD_STRUCT_RMD_LAST: 4128 error = ENODEV; 4129 goto bailout; 4130 #ifdef notyet 4131 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4132 address = dvdstruct->address; 4133 #endif 4134 break; /* NOTREACHED */ 4135 case DVD_STRUCT_RMD_RMA: 4136 error = ENODEV; 4137 goto bailout; 4138 #ifdef notyet 4139 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4140 address = dvdstruct->address; 4141 #endif 4142 break; /* NOTREACHED */ 4143 case DVD_STRUCT_PRERECORDED: 4144 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4145 break; 4146 case DVD_STRUCT_UNIQUEID: 4147 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4148 break; 4149 case DVD_STRUCT_DCB: 4150 error = ENODEV; 4151 goto bailout; 4152 #ifdef notyet 4153 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4154 address = dvdstruct->address; 4155 #endif 4156 break; /* NOTREACHED */ 4157 case DVD_STRUCT_LIST: 4158 /* 4159 * This is the maximum allocation length for the READ DVD 4160 * STRUCTURE command. There's nothing in the MMC3 spec 4161 * that indicates a limit in the amount of data that can 4162 * be returned from this call, other than the limits 4163 * imposed by the 2-byte length variables. 4164 */ 4165 length = 65535; 4166 break; 4167 default: 4168 error = EINVAL; 4169 goto bailout; 4170 break; /* NOTREACHED */ 4171 } 4172 4173 if (length != 0) { 4174 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4175 } else { 4176 databuf = NULL; 4177 } 4178 4179 scsi_read_dvd_structure(&ccb->csio, 4180 /* retries */ 1, 4181 /* cbfcnp */ cddone, 4182 /* tag_action */ MSG_SIMPLE_Q_TAG, 4183 /* lba */ address, 4184 /* layer_number */ dvdstruct->layer_num, 4185 /* key_format */ dvdstruct->format, 4186 /* agid */ dvdstruct->agid, 4187 /* data_ptr */ databuf, 4188 /* dxfer_len */ length, 4189 /* sense_len */ SSD_FULL_SIZE, 4190 /* timeout */ 50000); 4191 4192 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4193 /*sense_flags*/SF_RETRY_UA); 4194 4195 if (error != 0) 4196 goto bailout; 4197 4198 switch(dvdstruct->format) { 4199 case DVD_STRUCT_PHYSICAL: { 4200 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4201 struct dvd_layer *outlayer; 4202 struct scsi_read_dvd_struct_data_physical *phys_data; 4203 4204 phys_data = 4205 (struct scsi_read_dvd_struct_data_physical *)databuf; 4206 inlayer = &phys_data->layer_desc; 4207 outlayer = (struct dvd_layer *)&dvdstruct->data; 4208 4209 dvdstruct->length = sizeof(*inlayer); 4210 4211 outlayer->book_type = (inlayer->book_type_version & 4212 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4213 outlayer->book_version = (inlayer->book_type_version & 4214 RDSD_BOOK_VERSION_MASK); 4215 outlayer->disc_size = (inlayer->disc_size_max_rate & 4216 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4217 outlayer->max_rate = (inlayer->disc_size_max_rate & 4218 RDSD_MAX_RATE_MASK); 4219 outlayer->nlayers = (inlayer->layer_info & 4220 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4221 outlayer->track_path = (inlayer->layer_info & 4222 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4223 outlayer->layer_type = (inlayer->layer_info & 4224 RDSD_LAYER_TYPE_MASK); 4225 outlayer->linear_density = (inlayer->density & 4226 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4227 outlayer->track_density = (inlayer->density & 4228 RDSD_TRACK_DENSITY_MASK); 4229 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4230 RDSD_BCA_SHIFT; 4231 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4232 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4233 outlayer->end_sector_l0 = 4234 scsi_3btoul(inlayer->end_sector_layer0); 4235 break; 4236 } 4237 case DVD_STRUCT_COPYRIGHT: { 4238 struct scsi_read_dvd_struct_data_copyright *copy_data; 4239 4240 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4241 databuf; 4242 4243 dvdstruct->cpst = copy_data->cps_type; 4244 dvdstruct->rmi = copy_data->region_info; 4245 dvdstruct->length = 0; 4246 4247 break; 4248 } 4249 default: 4250 /* 4251 * Tell the user what the overall length is, no matter 4252 * what we can actually fit in the data buffer. 4253 */ 4254 dvdstruct->length = length - ccb->csio.resid - 4255 sizeof(struct scsi_read_dvd_struct_data_header); 4256 4257 /* 4258 * But only actually copy out the smaller of what we read 4259 * in or what the structure can take. 4260 */ 4261 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4262 dvdstruct->data, 4263 min(sizeof(dvdstruct->data), dvdstruct->length)); 4264 break; 4265 } 4266 bailout: 4267 4268 if (databuf != NULL) 4269 kfree(databuf, M_DEVBUF); 4270 4271 xpt_release_ccb(ccb); 4272 4273 return(error); 4274 } 4275 4276 void 4277 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4278 void (*cbfcnp)(struct cam_periph *, union ccb *), 4279 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4280 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4281 u_int8_t sense_len, u_int32_t timeout) 4282 { 4283 struct scsi_report_key *scsi_cmd; 4284 4285 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4286 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4287 scsi_cmd->opcode = REPORT_KEY; 4288 scsi_ulto4b(lba, scsi_cmd->lba); 4289 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4290 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4291 (key_format & RK_KF_KEYFORMAT_MASK); 4292 4293 cam_fill_csio(csio, 4294 retries, 4295 cbfcnp, 4296 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4297 tag_action, 4298 /*data_ptr*/ data_ptr, 4299 /*dxfer_len*/ dxfer_len, 4300 sense_len, 4301 sizeof(*scsi_cmd), 4302 timeout); 4303 } 4304 4305 void 4306 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4307 void (*cbfcnp)(struct cam_periph *, union ccb *), 4308 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4309 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4310 u_int32_t timeout) 4311 { 4312 struct scsi_send_key *scsi_cmd; 4313 4314 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4315 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4316 scsi_cmd->opcode = SEND_KEY; 4317 4318 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4319 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4320 (key_format & RK_KF_KEYFORMAT_MASK); 4321 4322 cam_fill_csio(csio, 4323 retries, 4324 cbfcnp, 4325 /*flags*/ CAM_DIR_OUT, 4326 tag_action, 4327 /*data_ptr*/ data_ptr, 4328 /*dxfer_len*/ dxfer_len, 4329 sense_len, 4330 sizeof(*scsi_cmd), 4331 timeout); 4332 } 4333 4334 4335 void 4336 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4337 void (*cbfcnp)(struct cam_periph *, union ccb *), 4338 u_int8_t tag_action, u_int32_t address, 4339 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4340 u_int8_t *data_ptr, u_int32_t dxfer_len, 4341 u_int8_t sense_len, u_int32_t timeout) 4342 { 4343 struct scsi_read_dvd_structure *scsi_cmd; 4344 4345 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4346 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4347 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4348 4349 scsi_ulto4b(address, scsi_cmd->address); 4350 scsi_cmd->layer_number = layer_number; 4351 scsi_cmd->format = format; 4352 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4353 /* The AGID is the top two bits of this byte */ 4354 scsi_cmd->agid = agid << 6; 4355 4356 cam_fill_csio(csio, 4357 retries, 4358 cbfcnp, 4359 /*flags*/ CAM_DIR_IN, 4360 tag_action, 4361 /*data_ptr*/ data_ptr, 4362 /*dxfer_len*/ dxfer_len, 4363 sense_len, 4364 sizeof(*scsi_cmd), 4365 timeout); 4366 } 4367