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 72 #include "../cam.h" 73 #include "../cam_ccb.h" 74 #include "../cam_extend.h" 75 #include "../cam_periph.h" 76 #include "../cam_xpt_periph.h" 77 #include "../cam_queue.h" 78 #include "../cam_sim.h" 79 80 #include "scsi_message.h" 81 #include "scsi_da.h" 82 #include "scsi_cd.h" 83 84 #define LEADOUT 0xaa /* leadout toc entry */ 85 86 struct cd_params { 87 u_int32_t blksize; 88 u_long disksize; 89 }; 90 91 typedef enum { 92 CD_Q_NONE = 0x00, 93 CD_Q_NO_TOUCH = 0x01, 94 CD_Q_BCD_TRACKS = 0x02, 95 CD_Q_NO_CHANGER = 0x04, 96 CD_Q_CHANGER = 0x08, 97 CD_Q_10_BYTE_ONLY = 0x10 98 } cd_quirks; 99 100 typedef enum { 101 CD_FLAG_INVALID = 0x0001, 102 CD_FLAG_NEW_DISC = 0x0002, 103 CD_FLAG_DISC_LOCKED = 0x0004, 104 CD_FLAG_DISC_REMOVABLE = 0x0008, 105 CD_FLAG_TAGGED_QUEUING = 0x0010, 106 CD_FLAG_CHANGER = 0x0040, 107 CD_FLAG_ACTIVE = 0x0080, 108 CD_FLAG_SCHED_ON_COMP = 0x0100, 109 CD_FLAG_RETRY_UA = 0x0200, 110 CD_FLAG_VALID_MEDIA = 0x0400, 111 CD_FLAG_VALID_TOC = 0x0800, 112 CD_FLAG_SCTX_INIT = 0x1000, 113 CD_FLAG_OPEN = 0x2000 114 } cd_flags; 115 116 typedef enum { 117 CD_CCB_POLLED = 0x00, 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 periph = (struct cam_periph *)context; 590 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 591 return; 592 } 593 594 softc = (struct cd_softc *)periph->softc; 595 ksnprintf(tmpstr, sizeof(tmpstr), 596 "CAM CD unit %d", periph->unit_number); 597 ksnprintf(tmpstr2, sizeof(tmpstr2), 598 "%d", periph->unit_number); 599 600 sysctl_ctx_free(&softc->sysctl_ctx); 601 sysctl_ctx_init(&softc->sysctl_ctx); 602 softc->flags |= CD_FLAG_SCTX_INIT; 603 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 604 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 605 tmpstr2, CTLFLAG_RD, 0, tmpstr); 606 607 if (softc->sysctl_tree == NULL) { 608 kprintf("cdsysctlinit: unable to allocate sysctl tree\n"); 609 cam_periph_release(periph); 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 } 624 625 /* 626 * We have a handler function for this so we can check the values when the 627 * user sets them, instead of every time we look at them. 628 */ 629 static int 630 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 631 { 632 int error, value; 633 634 value = *(int *)arg1; 635 636 error = sysctl_handle_int(oidp, &value, 0, req); 637 638 if ((error != 0) || (req->newptr == NULL)) 639 return (error); 640 641 /* 642 * The only real values we can have here are 6 or 10. I don't 643 * really forsee having 12 be an option at any time in the future. 644 * So if the user sets something less than or equal to 6, we'll set 645 * it to 6. If he sets something greater than 6, we'll set it to 10. 646 * 647 * I suppose we could just return an error here for the wrong values, 648 * but I don't think it's necessary to do so, as long as we can 649 * determine the user's intent without too much trouble. 650 */ 651 if (value < 6) 652 value = 6; 653 else if (value > 6) 654 value = 10; 655 656 *(int *)arg1 = value; 657 658 return (0); 659 } 660 661 662 static cam_status 663 cdregister(struct cam_periph *periph, void *arg) 664 { 665 struct cd_softc *softc; 666 struct ccb_pathinq cpi; 667 struct ccb_getdev *cgd; 668 char tmpstr[80]; 669 caddr_t match; 670 671 cgd = (struct ccb_getdev *)arg; 672 if (periph == NULL) { 673 kprintf("cdregister: periph was NULL!!\n"); 674 return(CAM_REQ_CMP_ERR); 675 } 676 if (cgd == NULL) { 677 kprintf("cdregister: no getdev CCB, can't register device\n"); 678 return(CAM_REQ_CMP_ERR); 679 } 680 681 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 682 sysctl_ctx_init(&softc->sysctl_ctx); 683 LIST_INIT(&softc->pending_ccbs); 684 STAILQ_INIT(&softc->mode_queue); 685 softc->state = CD_STATE_PROBE; 686 bioq_init(&softc->bio_queue); 687 if (SID_IS_REMOVABLE(&cgd->inq_data)) 688 softc->flags |= CD_FLAG_DISC_REMOVABLE; 689 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 690 softc->flags |= CD_FLAG_TAGGED_QUEUING; 691 692 periph->softc = softc; 693 softc->periph = periph; 694 695 cam_extend_set(cdperiphs, periph->unit_number, periph); 696 697 /* 698 * See if this device has any quirks. 699 */ 700 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 701 (caddr_t)cd_quirk_table, 702 NELEM(cd_quirk_table), 703 sizeof(*cd_quirk_table), scsi_inquiry_match); 704 705 if (match != NULL) 706 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 707 else 708 softc->quirks = CD_Q_NONE; 709 710 /* Check if the SIM does not want 6 byte commands */ 711 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 712 cpi.ccb_h.func_code = XPT_PATH_INQ; 713 xpt_action((union ccb *)&cpi); 714 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 715 softc->quirks |= CD_Q_10_BYTE_ONLY; 716 717 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 718 719 /* The default is 6 byte commands, unless quirked otherwise */ 720 if (softc->quirks & CD_Q_10_BYTE_ONLY) 721 softc->minimum_command_size = 10; 722 else 723 softc->minimum_command_size = 6; 724 725 /* 726 * Load the user's default, if any. 727 */ 728 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 729 periph->unit_number); 730 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 731 732 /* 6 and 10 are the only permissible values here. */ 733 if (softc->minimum_command_size < 6) 734 softc->minimum_command_size = 6; 735 else if (softc->minimum_command_size > 6) 736 softc->minimum_command_size = 10; 737 738 /* 739 * We need to register the statistics structure for this device, 740 * but we don't have the blocksize yet for it. So, we register 741 * the structure and indicate that we don't have the blocksize 742 * yet. Unlike other SCSI peripheral drivers, we explicitly set 743 * the device type here to be CDROM, rather than just ORing in 744 * the device type. This is because this driver can attach to either 745 * CDROM or WORM devices, and we want this peripheral driver to 746 * show up in the devstat list as a CD peripheral driver, not a 747 * WORM peripheral driver. WORM drives will also have the WORM 748 * driver attached to them. 749 */ 750 cam_periph_unlock(periph); 751 devstat_add_entry(&softc->device_stats, "cd", 752 periph->unit_number, 0, 753 DEVSTAT_BS_UNAVAILABLE, 754 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 755 DEVSTAT_PRIORITY_CD); 756 disk_create(periph->unit_number, &softc->disk, &cd_ops); 757 disk_setdisktype(&softc->disk, "optical"); 758 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 759 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 760 DSO_COMPATPARTA; 761 cam_periph_lock(periph); 762 763 /* 764 * Add an async callback so that we get 765 * notified if this device goes away. 766 */ 767 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 768 cdasync, periph, periph->path); 769 770 /* 771 * If the target lun is greater than 0, we most likely have a CD 772 * changer device. Check the quirk entries as well, though, just 773 * in case someone has a CD tower with one lun per drive or 774 * something like that. Also, if we know up front that a 775 * particular device is a changer, we can mark it as such starting 776 * with lun 0, instead of lun 1. It shouldn't be necessary to have 777 * a quirk entry to define something as a changer, however. 778 */ 779 if (((cgd->ccb_h.target_lun > 0) 780 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 781 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 782 struct cdchanger *nchanger; 783 struct cam_periph *nperiph; 784 struct cam_path *path; 785 cam_status status; 786 int found; 787 788 /* Set the changer flag in the current device's softc */ 789 softc->flags |= CD_FLAG_CHANGER; 790 791 /* 792 * Now, look around for an existing changer device with the 793 * same path and target ID as the current device. 794 */ 795 lockmgr(&changerq_lock, LK_EXCLUSIVE); 796 for (found = 0, 797 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 798 nchanger != NULL; 799 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 800 if ((nchanger->path_id == cgd->ccb_h.path_id) 801 && (nchanger->target_id == cgd->ccb_h.target_id)) { 802 found = 1; 803 break; 804 } 805 } 806 lockmgr(&changerq_lock, LK_RELEASE); 807 808 /* 809 * If we found a matching entry, just add this device to 810 * the list of devices on this changer. 811 */ 812 if (found == 1) { 813 struct chdevlist *chlunhead; 814 815 chlunhead = &nchanger->chluns; 816 817 /* 818 * XXX KDM look at consolidating this code with the 819 * code below in a separate function. 820 */ 821 822 /* 823 * Create a path with lun id 0, and see if we can 824 * find a matching device 825 */ 826 status = xpt_create_path(&path, /*periph*/ periph, 827 cgd->ccb_h.path_id, 828 cgd->ccb_h.target_id, 0); 829 830 if ((status == CAM_REQ_CMP) 831 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 832 struct cd_softc *nsoftc; 833 834 nsoftc = (struct cd_softc *)nperiph->softc; 835 836 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 837 nsoftc->flags |= CD_FLAG_CHANGER; 838 nchanger->num_devices++; 839 if (camq_resize(&nchanger->devq, 840 nchanger->num_devices)!=CAM_REQ_CMP){ 841 kprintf("cdregister: " 842 "camq_resize " 843 "failed, changer " 844 "support may " 845 "be messed up\n"); 846 } 847 nsoftc->changer = nchanger; 848 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 849 850 STAILQ_INSERT_TAIL(&nchanger->chluns, 851 nsoftc,changer_links); 852 } 853 xpt_free_path(path); 854 } else if (status == CAM_REQ_CMP) 855 xpt_free_path(path); 856 else { 857 kprintf("cdregister: unable to allocate path\n" 858 "cdregister: changer support may be " 859 "broken\n"); 860 } 861 862 nchanger->num_devices++; 863 864 softc->changer = nchanger; 865 softc->pinfo.index = CAM_UNQUEUED_INDEX; 866 867 if (camq_resize(&nchanger->devq, 868 nchanger->num_devices) != CAM_REQ_CMP) { 869 kprintf("cdregister: camq_resize " 870 "failed, changer support may " 871 "be messed up\n"); 872 } 873 874 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 875 } 876 /* 877 * In this case, we don't already have an entry for this 878 * particular changer, so we need to create one, add it to 879 * the queue, and queue this device on the list for this 880 * changer. Before we queue this device, however, we need 881 * to search for lun id 0 on this target, and add it to the 882 * queue first, if it exists. (and if it hasn't already 883 * been marked as part of the changer.) 884 */ 885 else { 886 nchanger = kmalloc(sizeof(struct cdchanger), 887 M_DEVBUF, M_INTWAIT | M_ZERO); 888 callout_init(&nchanger->short_handle); 889 callout_init(&nchanger->long_handle); 890 if (camq_init(&nchanger->devq, 1) != 0) { 891 softc->flags &= ~CD_FLAG_CHANGER; 892 kprintf("cdregister: changer support " 893 "disabled\n"); 894 goto cdregisterexit; 895 } 896 897 nchanger->path_id = cgd->ccb_h.path_id; 898 nchanger->target_id = cgd->ccb_h.target_id; 899 900 /* this is superfluous, but it makes things clearer */ 901 nchanger->num_devices = 0; 902 903 STAILQ_INIT(&nchanger->chluns); 904 905 callout_init(&nchanger->long_handle); 906 callout_init(&nchanger->short_handle); 907 908 lockmgr(&changerq_lock, LK_EXCLUSIVE); 909 num_changers++; 910 STAILQ_INSERT_TAIL(&changerq, nchanger, 911 changer_links); 912 lockmgr(&changerq_lock, LK_RELEASE); 913 914 /* 915 * Create a path with lun id 0, and see if we can 916 * find a matching device 917 */ 918 status = xpt_create_path(&path, /*periph*/ periph, 919 cgd->ccb_h.path_id, 920 cgd->ccb_h.target_id, 0); 921 922 /* 923 * If we were able to allocate the path, and if we 924 * find a matching device and it isn't already 925 * marked as part of a changer, then we add it to 926 * the current changer. 927 */ 928 if ((status == CAM_REQ_CMP) 929 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 930 && ((((struct cd_softc *)periph->softc)->flags & 931 CD_FLAG_CHANGER) == 0)) { 932 struct cd_softc *nsoftc; 933 934 nsoftc = (struct cd_softc *)nperiph->softc; 935 936 nsoftc->flags |= CD_FLAG_CHANGER; 937 nchanger->num_devices++; 938 if (camq_resize(&nchanger->devq, 939 nchanger->num_devices) != CAM_REQ_CMP) { 940 kprintf("cdregister: camq_resize " 941 "failed, changer support may " 942 "be messed up\n"); 943 } 944 nsoftc->changer = nchanger; 945 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 946 947 STAILQ_INSERT_TAIL(&nchanger->chluns, 948 nsoftc, changer_links); 949 xpt_free_path(path); 950 } else if (status == CAM_REQ_CMP) 951 xpt_free_path(path); 952 else { 953 kprintf("cdregister: unable to allocate path\n" 954 "cdregister: changer support may be " 955 "broken\n"); 956 } 957 958 softc->changer = nchanger; 959 softc->pinfo.index = CAM_UNQUEUED_INDEX; 960 nchanger->num_devices++; 961 if (camq_resize(&nchanger->devq, 962 nchanger->num_devices) != CAM_REQ_CMP) { 963 kprintf("cdregister: camq_resize " 964 "failed, changer support may " 965 "be messed up\n"); 966 } 967 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 968 changer_links); 969 } 970 } 971 972 cdregisterexit: 973 974 /* 975 * Refcount and block open attempts until we are setup 976 * Can't block 977 */ 978 cam_periph_hold(periph, 0); 979 980 if ((softc->flags & CD_FLAG_CHANGER) == 0) 981 xpt_schedule(periph, /*priority*/5); 982 else 983 cdschedule(periph, /*priority*/ 5); 984 985 return(CAM_REQ_CMP); 986 } 987 988 static int 989 cdopen(struct dev_open_args *ap) 990 { 991 cdev_t dev = ap->a_head.a_dev; 992 struct cam_periph *periph; 993 struct cd_softc *softc; 994 int unit, error; 995 996 unit = dkunit(dev); 997 periph = cam_extend_get(cdperiphs, unit); 998 999 if (periph == NULL) 1000 return (ENXIO); 1001 1002 softc = (struct cd_softc *)periph->softc; 1003 1004 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1005 return(ENXIO); 1006 1007 cam_periph_lock(periph); 1008 1009 if (softc->flags & CD_FLAG_INVALID) { 1010 cam_periph_unlock(periph); 1011 cam_periph_release(periph); 1012 return(ENXIO); 1013 } 1014 1015 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1016 cam_periph_unlock(periph); 1017 cam_periph_release(periph); 1018 return (error); 1019 } 1020 1021 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1022 if (softc->flags & CD_FLAG_OPEN) 1023 cam_periph_release(periph); 1024 else 1025 softc->flags |= CD_FLAG_OPEN; 1026 1027 /* 1028 * Check for media, and set the appropriate flags. We don't bail 1029 * if we don't have media, but then we don't allow anything but the 1030 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1031 * 1032 * XXX KDM for now, we do fail the open if we don't have media. We 1033 * can change this once we've figured out how to make the slice 1034 * code work well with media changing underneath it. 1035 */ 1036 error = cdcheckmedia(periph); 1037 1038 cdprevent(periph, PR_PREVENT); 1039 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1040 cam_periph_unhold(periph, 1); 1041 /* stays acquired */ 1042 1043 return (0); 1044 } 1045 1046 static int 1047 cdclose(struct dev_close_args *ap) 1048 { 1049 cdev_t dev = ap->a_head.a_dev; 1050 struct cam_periph *periph; 1051 struct cd_softc *softc; 1052 struct disk_info *info; 1053 int unit; 1054 1055 unit = dkunit(dev); 1056 periph = cam_extend_get(cdperiphs, unit); 1057 if (periph == NULL) 1058 return (ENXIO); 1059 1060 softc = (struct cd_softc *)periph->softc; 1061 1062 cam_periph_lock(periph); 1063 cam_periph_hold(periph, 0); 1064 1065 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1066 cdprevent(periph, PR_ALLOW); 1067 1068 /* 1069 * Unconditionally set the dsopen() flags back to their default 1070 * state. 1071 */ 1072 info = &softc->disk.d_info; 1073 info->d_dsflags &= ~DSO_NOLABELS; 1074 info->d_dsflags |= DSO_COMPATLABEL; 1075 1076 /* 1077 * Since we're closing this CD, mark the blocksize as unavailable. 1078 * It will be marked as available when the CD is opened again. 1079 */ 1080 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1081 1082 /* 1083 * We'll check the media and toc again at the next open(). 1084 */ 1085 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); 1086 1087 cam_periph_unhold(periph, 1); 1088 cam_periph_release(periph); 1089 1090 return (0); 1091 } 1092 1093 static void 1094 cdshorttimeout(void *arg) 1095 { 1096 struct cdchanger *changer; 1097 1098 changer = (struct cdchanger *)arg; 1099 1100 /* Always clear the short timeout flag, since that's what we're in */ 1101 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1102 1103 /* 1104 * Check to see if there is any more pending or outstanding I/O for 1105 * this device. If not, move it out of the active slot. 1106 */ 1107 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1108 && (changer->cur_device->outstanding_cmds == 0)) { 1109 changer->flags |= CHANGER_MANUAL_CALL; 1110 cdrunchangerqueue(changer); 1111 } 1112 } 1113 1114 /* 1115 * This is a wrapper for xpt_schedule. It only applies to changers. 1116 */ 1117 static void 1118 cdschedule(struct cam_periph *periph, int priority) 1119 { 1120 struct cd_softc *softc; 1121 1122 softc = (struct cd_softc *)periph->softc; 1123 1124 /* 1125 * If this device isn't currently queued, and if it isn't 1126 * the active device, then we queue this device and run the 1127 * changer queue if there is no timeout scheduled to do it. 1128 * If this device is the active device, just schedule it 1129 * to run again. If this device is queued, there should be 1130 * a timeout in place already that will make sure it runs. 1131 */ 1132 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1133 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1134 /* 1135 * We don't do anything with the priority here. 1136 * This is strictly a fifo queue. 1137 */ 1138 softc->pinfo.priority = 1; 1139 softc->pinfo.generation = ++softc->changer->devq.generation; 1140 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1141 1142 /* 1143 * Since we just put a device in the changer queue, 1144 * check and see if there is a timeout scheduled for 1145 * this changer. If so, let the timeout handle 1146 * switching this device into the active slot. If 1147 * not, manually call the timeout routine to 1148 * bootstrap things. 1149 */ 1150 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1151 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1152 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1153 softc->changer->flags |= CHANGER_MANUAL_CALL; 1154 cdrunchangerqueue(softc->changer); 1155 } 1156 } else if ((softc->flags & CD_FLAG_ACTIVE) 1157 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1158 xpt_schedule(periph, priority); 1159 } 1160 } 1161 1162 static void 1163 cdrunchangerqueue(void *arg) 1164 { 1165 struct cd_softc *softc; 1166 struct cdchanger *changer; 1167 int called_from_timeout; 1168 1169 changer = (struct cdchanger *)arg; 1170 1171 /* 1172 * If we have NOT been called from cdstrategy() or cddone(), and 1173 * instead from a timeout routine, go ahead and clear the 1174 * timeout flag. 1175 */ 1176 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1177 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1178 called_from_timeout = 1; 1179 } else 1180 called_from_timeout = 0; 1181 1182 /* Always clear the manual call flag */ 1183 changer->flags &= ~CHANGER_MANUAL_CALL; 1184 1185 /* nothing to do if the queue is empty */ 1186 if (changer->devq.entries <= 0) { 1187 return; 1188 } 1189 1190 /* 1191 * If the changer queue is frozen, that means we have an active 1192 * device. 1193 */ 1194 if (changer->devq.qfrozen_cnt > 0) { 1195 1196 /* 1197 * We always need to reset the frozen count and clear the 1198 * active flag. 1199 */ 1200 changer->devq.qfrozen_cnt--; 1201 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1202 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1203 1204 if (changer->cur_device->outstanding_cmds > 0) { 1205 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1206 changer->cur_device->bufs_left = 1207 changer->cur_device->outstanding_cmds; 1208 if (called_from_timeout) { 1209 callout_reset(&changer->long_handle, 1210 changer_max_busy_seconds * hz, 1211 cdrunchangerqueue, changer); 1212 changer->flags |= CHANGER_TIMEOUT_SCHED; 1213 } 1214 return; 1215 } 1216 1217 /* 1218 * Check to see whether the current device has any I/O left 1219 * to do. If so, requeue it at the end of the queue. If 1220 * not, there is no need to requeue it. 1221 */ 1222 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1223 1224 changer->cur_device->pinfo.generation = 1225 ++changer->devq.generation; 1226 camq_insert(&changer->devq, 1227 (cam_pinfo *)changer->cur_device); 1228 } 1229 } 1230 1231 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1232 1233 changer->cur_device = softc; 1234 1235 changer->devq.qfrozen_cnt++; 1236 softc->flags |= CD_FLAG_ACTIVE; 1237 1238 /* Just in case this device is waiting */ 1239 wakeup(&softc->changer); 1240 xpt_schedule(softc->periph, /*priority*/ 1); 1241 1242 /* 1243 * Get rid of any pending timeouts, and set a flag to schedule new 1244 * ones so this device gets its full time quantum. 1245 */ 1246 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1247 callout_stop(&changer->long_handle); 1248 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1249 } 1250 1251 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1252 callout_stop(&changer->short_handle); 1253 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1254 } 1255 1256 /* 1257 * We need to schedule timeouts, but we only do this after the 1258 * first transaction has completed. This eliminates the changer 1259 * switch time. 1260 */ 1261 changer->flags |= CHANGER_NEED_TIMEOUT; 1262 } 1263 1264 static void 1265 cdchangerschedule(struct cd_softc *softc) 1266 { 1267 struct cdchanger *changer; 1268 1269 changer = softc->changer; 1270 1271 /* 1272 * If this is a changer, and this is the current device, 1273 * and this device has at least the minimum time quantum to 1274 * run, see if we can switch it out. 1275 */ 1276 if ((softc->flags & CD_FLAG_ACTIVE) 1277 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1278 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1279 /* 1280 * We try three things here. The first is that we 1281 * check to see whether the schedule on completion 1282 * flag is set. If it is, we decrement the number 1283 * of buffers left, and if it's zero, we reschedule. 1284 * Next, we check to see whether the pending buffer 1285 * queue is empty and whether there are no 1286 * outstanding transactions. If so, we reschedule. 1287 * Next, we see if the pending buffer queue is empty. 1288 * If it is, we set the number of buffers left to 1289 * the current active buffer count and set the 1290 * schedule on complete flag. 1291 */ 1292 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1293 if (--softc->bufs_left == 0) { 1294 softc->changer->flags |= 1295 CHANGER_MANUAL_CALL; 1296 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1297 cdrunchangerqueue(softc->changer); 1298 } 1299 } else if ((bioq_first(&softc->bio_queue) == NULL) 1300 && (softc->outstanding_cmds == 0)) { 1301 softc->changer->flags |= CHANGER_MANUAL_CALL; 1302 cdrunchangerqueue(softc->changer); 1303 } 1304 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1305 && (softc->flags & CD_FLAG_ACTIVE)) { 1306 1307 /* 1308 * Now that the first transaction to this 1309 * particular device has completed, we can go ahead 1310 * and schedule our timeouts. 1311 */ 1312 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1313 callout_reset(&changer->long_handle, 1314 changer_max_busy_seconds * hz, 1315 cdrunchangerqueue, changer); 1316 changer->flags |= CHANGER_TIMEOUT_SCHED; 1317 } else 1318 kprintf("cdchangerschedule: already have a long" 1319 " timeout!\n"); 1320 1321 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1322 callout_reset(&changer->short_handle, 1323 changer_min_busy_seconds * hz, 1324 cdshorttimeout, changer); 1325 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1326 } else 1327 kprintf("cdchangerschedule: already have a short " 1328 "timeout!\n"); 1329 1330 /* 1331 * We just scheduled timeouts, no need to schedule 1332 * more. 1333 */ 1334 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1335 1336 } 1337 } 1338 1339 static int 1340 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1341 u_int32_t cam_flags, 1342 u_int32_t sense_flags), 1343 u_int32_t cam_flags, u_int32_t sense_flags) 1344 { 1345 struct cd_softc *softc; 1346 struct cam_periph *periph; 1347 int error; 1348 1349 periph = xpt_path_periph(ccb->ccb_h.path); 1350 softc = (struct cd_softc *)periph->softc; 1351 1352 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1353 &softc->device_stats); 1354 1355 if (softc->flags & CD_FLAG_CHANGER) 1356 cdchangerschedule(softc); 1357 1358 return(error); 1359 } 1360 1361 static union ccb * 1362 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1363 { 1364 struct cd_softc *softc; 1365 static union ccb *ccb; 1366 1367 softc = (struct cd_softc *)periph->softc; 1368 1369 if (softc->flags & CD_FLAG_CHANGER) { 1370 /* 1371 * This should work the first time this device is woken up, 1372 * but just in case it doesn't, we use a while loop. 1373 */ 1374 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1375 /* 1376 * If this changer isn't already queued, queue it up. 1377 */ 1378 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1379 softc->pinfo.priority = 1; 1380 softc->pinfo.generation = 1381 ++softc->changer->devq.generation; 1382 camq_insert(&softc->changer->devq, 1383 (cam_pinfo *)softc); 1384 } 1385 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1386 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1387 && ((softc->changer->flags 1388 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1389 softc->changer->flags |= CHANGER_MANUAL_CALL; 1390 cdrunchangerqueue(softc->changer); 1391 } else 1392 sim_lock_sleep(&softc->changer, 0, "cgticb", 0, 1393 periph->sim->lock); 1394 } 1395 } 1396 ccb = cam_periph_getccb(periph, priority); 1397 ccb->ccb_h.ccb_state = CD_CCB_POLLED; 1398 1399 return ccb; 1400 } 1401 1402 /* 1403 * Actually translate the requested transfer into one the physical driver 1404 * can understand. The transfer is described by a buf and will include 1405 * only one physical transfer. 1406 */ 1407 static int 1408 cdstrategy(struct dev_strategy_args *ap) 1409 { 1410 cdev_t dev = ap->a_head.a_dev; 1411 struct bio *bio = ap->a_bio; 1412 struct buf *bp = bio->bio_buf; 1413 struct cam_periph *periph; 1414 struct cd_softc *softc; 1415 u_int unit; 1416 1417 unit = dkunit(dev); 1418 periph = cam_extend_get(cdperiphs, unit); 1419 if (periph == NULL) { 1420 bp->b_error = ENXIO; 1421 goto bad; 1422 } 1423 1424 cam_periph_lock(periph); 1425 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1426 1427 softc = (struct cd_softc *)periph->softc; 1428 1429 /* 1430 * If the device has been made invalid, error out 1431 */ 1432 if ((softc->flags & CD_FLAG_INVALID)) { 1433 cam_periph_unlock(periph); 1434 bp->b_error = ENXIO; 1435 goto bad; 1436 } 1437 1438 /* 1439 * If we don't have valid media, look for it before trying to 1440 * schedule the I/O. 1441 */ 1442 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1443 int error; 1444 1445 error = cdcheckmedia(periph); 1446 if (error != 0) { 1447 cam_periph_unlock(periph); 1448 bp->b_error = error; 1449 goto bad; 1450 } 1451 } 1452 1453 /* 1454 * Place it in the queue of disk activities for this disk 1455 */ 1456 bioqdisksort(&softc->bio_queue, bio); 1457 1458 /* 1459 * Schedule ourselves for performing the work. We do things 1460 * differently for changers. 1461 */ 1462 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1463 xpt_schedule(periph, /* XXX priority */1); 1464 else 1465 cdschedule(periph, /* priority */ 1); 1466 1467 cam_periph_unlock(periph); 1468 return(0); 1469 bad: 1470 bp->b_flags |= B_ERROR; 1471 /* 1472 * Correctly set the buf to indicate a completed xfer 1473 */ 1474 bp->b_resid = bp->b_bcount; 1475 biodone(bio); 1476 return(0); 1477 } 1478 1479 static void 1480 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1481 { 1482 struct cd_softc *softc; 1483 struct bio *bio; 1484 struct buf *bp; 1485 struct ccb_scsiio *csio; 1486 struct scsi_read_capacity_data *rcap; 1487 1488 softc = (struct cd_softc *)periph->softc; 1489 1490 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1491 1492 switch (softc->state) { 1493 case CD_STATE_NORMAL: 1494 { 1495 bio = bioq_first(&softc->bio_queue); 1496 if (periph->immediate_priority <= periph->pinfo.priority) { 1497 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1498 1499 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1500 periph_links.sle); 1501 periph->immediate_priority = CAM_PRIORITY_NONE; 1502 wakeup(&periph->ccb_list); 1503 } else if (bio == NULL) { 1504 xpt_release_ccb(start_ccb); 1505 } else { 1506 bp = bio->bio_buf; 1507 bioq_remove(&softc->bio_queue, bio); 1508 1509 devstat_start_transaction(&softc->device_stats); 1510 1511 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1512 1513 scsi_read_write(&start_ccb->csio, 1514 /*retries*/4, 1515 /* cbfcnp */ cddone, 1516 MSG_SIMPLE_Q_TAG, 1517 /* read */(bp->b_cmd == BUF_CMD_READ), 1518 /* byte2 */ 0, 1519 /* minimum_cmd_size */ 10, 1520 /* lba */ 1521 bio->bio_offset / softc->params.blksize, 1522 bp->b_bcount / softc->params.blksize, 1523 /* data_ptr */ bp->b_data, 1524 /* dxfer_len */ bp->b_bcount, 1525 /* sense_len */ SSD_FULL_SIZE, 1526 /* timeout */ 30000); 1527 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1528 1529 1530 LIST_INSERT_HEAD(&softc->pending_ccbs, 1531 &start_ccb->ccb_h, periph_links.le); 1532 1533 softc->outstanding_cmds++; 1534 /* We expect a unit attention from this device */ 1535 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1536 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1537 softc->flags &= ~CD_FLAG_RETRY_UA; 1538 } 1539 1540 start_ccb->ccb_h.ccb_bio = bio; 1541 bio = bioq_first(&softc->bio_queue); 1542 1543 xpt_action(start_ccb); 1544 } 1545 if (bio != NULL) { 1546 /* Have more work to do, so ensure we stay scheduled */ 1547 xpt_schedule(periph, /* XXX priority */1); 1548 } 1549 break; 1550 } 1551 case CD_STATE_PROBE: 1552 { 1553 1554 rcap = kmalloc(sizeof(*rcap), M_SCSICD, M_INTWAIT); 1555 csio = &start_ccb->csio; 1556 scsi_read_capacity(csio, 1557 /*retries*/1, 1558 cddone, 1559 MSG_SIMPLE_Q_TAG, 1560 rcap, 1561 SSD_FULL_SIZE, 1562 /*timeout*/20000); 1563 start_ccb->ccb_h.ccb_bio = NULL; 1564 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1565 xpt_action(start_ccb); 1566 break; 1567 } 1568 } 1569 } 1570 1571 static void 1572 cddone(struct cam_periph *periph, union ccb *done_ccb) 1573 { 1574 struct cd_softc *softc; 1575 struct ccb_scsiio *csio; 1576 1577 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1578 1579 softc = (struct cd_softc *)periph->softc; 1580 csio = &done_ccb->csio; 1581 1582 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1583 case CD_CCB_BUFFER_IO: 1584 { 1585 struct buf *bp; 1586 struct bio *bio; 1587 int error; 1588 1589 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1590 bp = bio->bio_buf; 1591 error = 0; 1592 1593 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1594 int sf; 1595 1596 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1597 sf = SF_RETRY_UA; 1598 else 1599 sf = 0; 1600 1601 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1602 if (error == ERESTART) { 1603 /* 1604 * A retry was scheuled, so 1605 * just return. 1606 */ 1607 return; 1608 } 1609 } 1610 1611 if (error != 0) { 1612 struct bio *q_bio; 1613 struct buf *q_bp; 1614 1615 xpt_print(periph->path, 1616 "cddone: got error %#x back\n", error); 1617 while ((q_bio = bioq_takefirst(&softc->bio_queue)) != NULL) { 1618 q_bp = q_bio->bio_buf; 1619 q_bp->b_resid = q_bp->b_bcount; 1620 q_bp->b_error = EIO; 1621 q_bp->b_flags |= B_ERROR; 1622 biodone(q_bio); 1623 } 1624 bp->b_resid = bp->b_bcount; 1625 bp->b_error = error; 1626 bp->b_flags |= B_ERROR; 1627 cam_release_devq(done_ccb->ccb_h.path, 1628 /*relsim_flags*/0, 1629 /*reduction*/0, 1630 /*timeout*/0, 1631 /*getcount_only*/0); 1632 1633 } else { 1634 bp->b_resid = csio->resid; 1635 bp->b_error = 0; 1636 if (bp->b_resid != 0) { 1637 /* Short transfer ??? */ 1638 bp->b_flags |= B_ERROR; 1639 } 1640 } 1641 1642 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1643 softc->outstanding_cmds--; 1644 1645 if (softc->flags & CD_FLAG_CHANGER) 1646 cdchangerschedule(softc); 1647 1648 devstat_end_transaction_buf(&softc->device_stats, bp); 1649 biodone(bio); 1650 break; 1651 } 1652 case CD_CCB_PROBE: 1653 { 1654 /* 1655 * Currently (9/30/97) the longest possible announce 1656 * buffer is 108 bytes, for the first error case below. 1657 * That is 39 bytes for the basic string, 16 bytes for the 1658 * biggest sense key (hardware error), 52 bytes for the 1659 * text of the largest sense qualifier valid for a CDROM, 1660 * (0x72, 0x03 or 0x04, 0x03), and one byte for the 1661 * null terminating character. To allow for longer strings, 1662 * the announce buffer is 120 bytes. 1663 * 1664 * We need to call disk_setdiskinfo() before the disk 1665 * subsystem will allow any opens. Because additional 1666 * probe code is in cdopen() we do this now whether a CD 1667 * is present or not. 1668 */ 1669 struct scsi_read_capacity_data *rdcap; 1670 struct disk_info info; 1671 char announce_buf[120]; 1672 struct cd_params *cdp; 1673 int doinfo = 0; 1674 1675 cdp = &softc->params; 1676 bzero(&info, sizeof(info)); 1677 info.d_type = DTYPE_SCSI; 1678 info.d_dsflags &= ~DSO_COMPATLABEL; 1679 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 1680 info.d_serialno = xpt_path_serialno(periph->path); 1681 1682 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1683 1684 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1685 cdp->blksize = scsi_4btoul (rdcap->length); 1686 1687 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1688 ksnprintf(announce_buf, sizeof(announce_buf), 1689 "cd present [%lu x %lu byte records]", 1690 cdp->disksize, (u_long)cdp->blksize); 1691 info.d_media_blksize = cdp->blksize; 1692 info.d_media_blocks = cdp->disksize; 1693 doinfo = 1; 1694 } else { 1695 int error; 1696 1697 /* 1698 * Retry any UNIT ATTENTION type errors. They 1699 * are expected at boot. 1700 */ 1701 error = cderror(done_ccb, CAM_RETRY_SELTO, 1702 SF_RETRY_UA | SF_NO_PRINT); 1703 if (error == ERESTART) { 1704 /* 1705 * A retry was scheuled, so 1706 * just return. 1707 */ 1708 return; 1709 } else if (error != 0) { 1710 struct scsi_sense_data *sense; 1711 int asc, ascq; 1712 int sense_key, error_code; 1713 int have_sense; 1714 cam_status status; 1715 struct ccb_getdev cgd; 1716 1717 /* Don't wedge this device's queue */ 1718 cam_release_devq(done_ccb->ccb_h.path, 1719 /*relsim_flags*/0, 1720 /*reduction*/0, 1721 /*timeout*/0, 1722 /*getcount_only*/0); 1723 1724 status = done_ccb->ccb_h.status; 1725 1726 xpt_setup_ccb(&cgd.ccb_h, 1727 done_ccb->ccb_h.path, 1728 /* priority */ 1); 1729 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1730 xpt_action((union ccb *)&cgd); 1731 1732 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1733 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1734 || ((status & CAM_AUTOSNS_VALID) == 0)) 1735 have_sense = FALSE; 1736 else 1737 have_sense = TRUE; 1738 1739 if (have_sense) { 1740 sense = &csio->sense_data; 1741 scsi_extract_sense(sense, &error_code, 1742 &sense_key, 1743 &asc, &ascq); 1744 } 1745 /* 1746 * Attach to anything that claims to be a 1747 * CDROM or WORM device, as long as it 1748 * doesn't return a "Logical unit not 1749 * supported" (0x25) error. 1750 */ 1751 if ((have_sense) && (asc != 0x25) 1752 && (error_code == SSD_CURRENT_ERROR)) { 1753 const char *sense_key_desc; 1754 const char *asc_desc; 1755 1756 scsi_sense_desc(sense_key, asc, ascq, 1757 &cgd.inq_data, 1758 &sense_key_desc, 1759 &asc_desc); 1760 ksnprintf(announce_buf, 1761 sizeof(announce_buf), 1762 "Attempt to query device " 1763 "size failed: %s, %s", 1764 sense_key_desc, 1765 asc_desc); 1766 info.d_media_blksize = 2048; 1767 doinfo = 1; 1768 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1769 /* 1770 * We only print out an error for 1771 * CDROM type devices. For WORM 1772 * devices, we don't print out an 1773 * error since a few WORM devices 1774 * don't support CDROM commands. 1775 * If we have sense information, go 1776 * ahead and print it out. 1777 * Otherwise, just say that we 1778 * couldn't attach. 1779 */ 1780 1781 /* 1782 * Just print out the error, not 1783 * the full probe message, when we 1784 * don't attach. 1785 */ 1786 if (have_sense) 1787 scsi_sense_print( 1788 &done_ccb->csio); 1789 else { 1790 xpt_print(periph->path, 1791 "got CAM status %#x\n", 1792 done_ccb->ccb_h.status); 1793 } 1794 xpt_print(periph->path, "fatal error, " 1795 "failed to attach to device\n"); 1796 /* 1797 * Invalidate this peripheral. 1798 */ 1799 cam_periph_invalidate(periph); 1800 1801 announce_buf[0] = '\0'; 1802 } else { 1803 1804 /* 1805 * Invalidate this peripheral. 1806 */ 1807 cam_periph_invalidate(periph); 1808 announce_buf[0] = '\0'; 1809 } 1810 } 1811 } 1812 kfree(rdcap, M_SCSICD); 1813 if (announce_buf[0] != '\0') { 1814 xpt_announce_periph(periph, announce_buf); 1815 if (softc->flags & CD_FLAG_CHANGER) 1816 cdchangerschedule(softc); 1817 /* 1818 * Create our sysctl variables, now that we know 1819 * we have successfully attached. 1820 */ 1821 taskqueue_enqueue(taskqueue_thread[mycpuid], 1822 &softc->sysctl_task); 1823 } 1824 softc->state = CD_STATE_NORMAL; 1825 /* 1826 * Since our peripheral may be invalidated by an error 1827 * above or an external event, we must release our CCB 1828 * before releasing the probe lock on the peripheral. 1829 * The peripheral will only go away once the last lock 1830 * is removed, and we need it around for the CCB release 1831 * operation. 1832 */ 1833 xpt_release_ccb(done_ccb); 1834 cam_periph_unhold(periph, 0); 1835 if (doinfo) { 1836 disk_setdiskinfo(&softc->disk, &info); 1837 } 1838 return; 1839 } 1840 case CD_CCB_WAITING: 1841 { 1842 /* Caller will release the CCB */ 1843 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1844 ("trying to wakeup ccbwait\n")); 1845 1846 wakeup(&done_ccb->ccb_h.cbfcnp); 1847 return; 1848 } 1849 case CD_CCB_POLLED: 1850 /* Caller releases CCB */ 1851 wakeup(&done_ccb->ccb_h.cbfcnp); 1852 return; 1853 default: 1854 break; 1855 } 1856 xpt_release_ccb(done_ccb); 1857 } 1858 1859 static union cd_pages * 1860 cdgetpage(struct cd_mode_params *mode_params) 1861 { 1862 union cd_pages *page; 1863 1864 if (mode_params->cdb_size == 10) 1865 page = (union cd_pages *)find_mode_page_10( 1866 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1867 else 1868 page = (union cd_pages *)find_mode_page_6( 1869 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1870 1871 return (page); 1872 } 1873 1874 static int 1875 cdgetpagesize(int page_num) 1876 { 1877 int i; 1878 1879 for (i = 0; i < NELEM(cd_page_size_table); i++) { 1880 if (cd_page_size_table[i].page == page_num) 1881 return (cd_page_size_table[i].page_size); 1882 } 1883 return (-1); 1884 } 1885 1886 static int 1887 cdioctl(struct dev_ioctl_args *ap) 1888 { 1889 cdev_t dev = ap->a_head.a_dev; 1890 caddr_t addr = ap->a_data; 1891 struct cam_periph *periph; 1892 struct cd_softc *softc; 1893 int unit, error = 0; 1894 1895 unit = dkunit(dev); 1896 1897 periph = cam_extend_get(cdperiphs, unit); 1898 if (periph == NULL) 1899 return(ENXIO); 1900 1901 cam_periph_lock(periph); 1902 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1903 1904 softc = (struct cd_softc *)periph->softc; 1905 1906 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1907 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1908 1909 if ((error = cam_periph_hold(periph, PCATCH)) != 0) { 1910 cam_periph_unlock(periph); 1911 cam_periph_release(periph); 1912 return (error); 1913 } 1914 1915 /* 1916 * If we don't have media loaded, check for it. If still don't 1917 * have media loaded, we can only do a load or eject. 1918 * 1919 * We only care whether media is loaded if this is a cd-specific ioctl 1920 * (thus the IOCGROUP check below). Note that this will break if 1921 * anyone adds any ioctls into the switch statement below that don't 1922 * have their ioctl group set to 'c'. 1923 */ 1924 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1925 && ((ap->a_cmd != CDIOCCLOSE) 1926 && (ap->a_cmd != CDIOCEJECT)) 1927 && (IOCGROUP(ap->a_cmd) == 'c')) { 1928 error = cdcheckmedia(periph); 1929 if (error != 0) { 1930 cam_periph_unhold(periph, 1); 1931 return (error); 1932 } 1933 } 1934 /* 1935 * Drop the lock here so later mallocs can use WAITOK. The periph 1936 * is essentially locked still with the cam_periph_hold call above. 1937 */ 1938 cam_periph_unlock(periph); 1939 1940 switch (ap->a_cmd) { 1941 1942 case CDIOCPLAYTRACKS: 1943 { 1944 struct ioc_play_track *args 1945 = (struct ioc_play_track *)addr; 1946 struct cd_mode_params params; 1947 union cd_pages *page; 1948 1949 params.alloc_len = sizeof(union cd_mode_data_6_10); 1950 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 1951 M_WAITOK | M_ZERO); 1952 1953 cam_periph_lock(periph); 1954 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1955 ("trying to do CDIOCPLAYTRACKS\n")); 1956 1957 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1958 if (error) { 1959 kfree(params.mode_buf, M_SCSICD); 1960 cam_periph_unlock(periph); 1961 break; 1962 } 1963 page = cdgetpage(¶ms); 1964 1965 page->audio.flags &= ~CD_PA_SOTC; 1966 page->audio.flags |= CD_PA_IMMED; 1967 error = cdsetmode(periph, ¶ms); 1968 kfree(params.mode_buf, M_SCSICD); 1969 if (error) { 1970 cam_periph_unlock(periph); 1971 break; 1972 } 1973 1974 /* 1975 * This was originally implemented with the PLAY 1976 * AUDIO TRACK INDEX command, but that command was 1977 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1978 * drives support it but ATAPI and ATAPI-derivative 1979 * drives don't seem to support it. So we keep a 1980 * cache of the table of contents and translate 1981 * track numbers to MSF format. 1982 */ 1983 if (softc->flags & CD_FLAG_VALID_TOC) { 1984 union msf_lba *sentry, *eentry; 1985 int st, et; 1986 1987 if (args->end_track < 1988 softc->toc.header.ending_track + 1) 1989 args->end_track++; 1990 if (args->end_track > 1991 softc->toc.header.ending_track + 1) 1992 args->end_track = 1993 softc->toc.header.ending_track + 1; 1994 st = args->start_track - 1995 softc->toc.header.starting_track; 1996 et = args->end_track - 1997 softc->toc.header.starting_track; 1998 if ((st < 0) 1999 || (et < 0) 2000 || (st > (softc->toc.header.ending_track - 2001 softc->toc.header.starting_track))) { 2002 error = EINVAL; 2003 break; 2004 } 2005 sentry = &softc->toc.entries[st].addr; 2006 eentry = &softc->toc.entries[et].addr; 2007 error = cdplaymsf(periph, 2008 sentry->msf.minute, 2009 sentry->msf.second, 2010 sentry->msf.frame, 2011 eentry->msf.minute, 2012 eentry->msf.second, 2013 eentry->msf.frame); 2014 } else { 2015 /* 2016 * If we don't have a valid TOC, try the 2017 * play track index command. It is part of 2018 * the SCSI-2 spec, but was removed in the 2019 * MMC specs. ATAPI and ATAPI-derived 2020 * drives don't support it. 2021 */ 2022 if (softc->quirks & CD_Q_BCD_TRACKS) { 2023 args->start_track = 2024 bin2bcd(args->start_track); 2025 args->end_track = 2026 bin2bcd(args->end_track); 2027 } 2028 error = cdplaytracks(periph, 2029 args->start_track, 2030 args->start_index, 2031 args->end_track, 2032 args->end_index); 2033 } 2034 cam_periph_unlock(periph); 2035 } 2036 break; 2037 case CDIOCPLAYMSF: 2038 { 2039 struct ioc_play_msf *args 2040 = (struct ioc_play_msf *) addr; 2041 struct cd_mode_params params; 2042 union cd_pages *page; 2043 2044 params.alloc_len = sizeof(union cd_mode_data_6_10); 2045 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2046 M_WAITOK | M_ZERO); 2047 2048 cam_periph_lock(periph); 2049 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2050 ("trying to do CDIOCPLAYMSF\n")); 2051 2052 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2053 if (error) { 2054 kfree(params.mode_buf, M_SCSICD); 2055 cam_periph_unlock(periph); 2056 break; 2057 } 2058 page = cdgetpage(¶ms); 2059 2060 page->audio.flags &= ~CD_PA_SOTC; 2061 page->audio.flags |= CD_PA_IMMED; 2062 error = cdsetmode(periph, ¶ms); 2063 kfree(params.mode_buf, M_SCSICD); 2064 if (error) { 2065 cam_periph_unlock(periph); 2066 break; 2067 } 2068 error = cdplaymsf(periph, 2069 args->start_m, 2070 args->start_s, 2071 args->start_f, 2072 args->end_m, 2073 args->end_s, 2074 args->end_f); 2075 cam_periph_unlock(periph); 2076 } 2077 break; 2078 case CDIOCPLAYBLOCKS: 2079 { 2080 struct ioc_play_blocks *args 2081 = (struct ioc_play_blocks *) addr; 2082 struct cd_mode_params params; 2083 union cd_pages *page; 2084 2085 params.alloc_len = sizeof(union cd_mode_data_6_10); 2086 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2087 M_WAITOK | M_ZERO); 2088 cam_periph_lock(periph); 2089 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2090 ("trying to do CDIOCPLAYBLOCKS\n")); 2091 2092 2093 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2094 if (error) { 2095 kfree(params.mode_buf, M_SCSICD); 2096 cam_periph_unlock(periph); 2097 break; 2098 } 2099 page = cdgetpage(¶ms); 2100 2101 page->audio.flags &= ~CD_PA_SOTC; 2102 page->audio.flags |= CD_PA_IMMED; 2103 error = cdsetmode(periph, ¶ms); 2104 kfree(params.mode_buf, M_SCSICD); 2105 if (error) { 2106 cam_periph_unlock(periph); 2107 break; 2108 } 2109 error = cdplay(periph, args->blk, args->len); 2110 cam_periph_unlock(periph); 2111 } 2112 break; 2113 case CDIOCREADSUBCHANNEL: 2114 { 2115 struct ioc_read_subchannel *args 2116 = (struct ioc_read_subchannel *) addr; 2117 struct cd_sub_channel_info *data; 2118 u_int32_t len = args->data_len; 2119 2120 data = kmalloc(sizeof(struct cd_sub_channel_info), 2121 M_SCSICD, M_WAITOK); 2122 2123 cam_periph_lock(periph); 2124 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2125 ("trying to do CDIOCREADSUBCHANNEL\n")); 2126 2127 if ((len > sizeof(struct cd_sub_channel_info)) || 2128 (len < sizeof(struct cd_sub_channel_header))) { 2129 kprintf( 2130 "scsi_cd: cdioctl: " 2131 "cdioreadsubchannel: error, len=%d\n", 2132 len); 2133 error = EINVAL; 2134 kfree(data, M_SCSICD); 2135 cam_periph_unlock(periph); 2136 break; 2137 } 2138 2139 if (softc->quirks & CD_Q_BCD_TRACKS) 2140 args->track = bin2bcd(args->track); 2141 2142 error = cdreadsubchannel(periph, args->address_format, 2143 args->data_format, args->track, data, len); 2144 2145 if (error) { 2146 kfree(data, M_SCSICD); 2147 cam_periph_unlock(periph); 2148 break; 2149 } 2150 if (softc->quirks & CD_Q_BCD_TRACKS) 2151 data->what.track_info.track_number = 2152 bcd2bin(data->what.track_info.track_number); 2153 len = min(len, ((data->header.data_len[0] << 8) + 2154 data->header.data_len[1] + 2155 sizeof(struct cd_sub_channel_header))); 2156 cam_periph_unlock(periph); 2157 if (copyout(data, args->data, len) != 0) { 2158 error = EFAULT; 2159 } 2160 kfree(data, M_SCSICD); 2161 } 2162 break; 2163 2164 case CDIOREADTOCHEADER: 2165 { 2166 struct ioc_toc_header *th; 2167 2168 th = kmalloc(sizeof(struct ioc_toc_header), M_SCSICD, 2169 M_WAITOK); 2170 2171 cam_periph_lock(periph); 2172 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2173 ("trying to do CDIOREADTOCHEADER\n")); 2174 2175 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2176 sizeof (*th), /*sense_flags*/0); 2177 if (error) { 2178 kfree(th, M_SCSICD); 2179 cam_periph_unlock(periph); 2180 break; 2181 } 2182 if (softc->quirks & CD_Q_BCD_TRACKS) { 2183 /* we are going to have to convert the BCD 2184 * encoding on the cd to what is expected 2185 */ 2186 th->starting_track = 2187 bcd2bin(th->starting_track); 2188 th->ending_track = bcd2bin(th->ending_track); 2189 } 2190 th->len = ntohs(th->len); 2191 bcopy(th, addr, sizeof(*th)); 2192 kfree(th, M_SCSICD); 2193 cam_periph_unlock(periph); 2194 } 2195 break; 2196 case CDIOREADTOCENTRYS: 2197 { 2198 struct cd_tocdata *data; 2199 struct cd_toc_single *lead; 2200 struct ioc_read_toc_entry *te = 2201 (struct ioc_read_toc_entry *) addr; 2202 struct ioc_toc_header *th; 2203 u_int32_t len, readlen, idx, num; 2204 u_int32_t starting_track = te->starting_track; 2205 2206 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2207 lead = kmalloc(sizeof(*lead), M_SCSICD, M_WAITOK); 2208 2209 cam_periph_lock(periph); 2210 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2211 ("trying to do CDIOREADTOCENTRYS\n")); 2212 2213 if (te->data_len < sizeof(struct cd_toc_entry) 2214 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2215 || (te->address_format != CD_MSF_FORMAT 2216 && te->address_format != CD_LBA_FORMAT)) { 2217 error = EINVAL; 2218 kprintf("scsi_cd: error in readtocentries, " 2219 "returning EINVAL\n"); 2220 kfree(data, M_SCSICD); 2221 kfree(lead, M_SCSICD); 2222 cam_periph_unlock(periph); 2223 break; 2224 } 2225 2226 th = &data->header; 2227 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2228 sizeof (*th), /*sense_flags*/0); 2229 if (error) { 2230 kfree(data, M_SCSICD); 2231 kfree(lead, M_SCSICD); 2232 cam_periph_unlock(periph); 2233 break; 2234 } 2235 2236 if (softc->quirks & CD_Q_BCD_TRACKS) { 2237 /* we are going to have to convert the BCD 2238 * encoding on the cd to what is expected 2239 */ 2240 th->starting_track = 2241 bcd2bin(th->starting_track); 2242 th->ending_track = bcd2bin(th->ending_track); 2243 } 2244 2245 if (starting_track == 0) 2246 starting_track = th->starting_track; 2247 else if (starting_track == LEADOUT) 2248 starting_track = th->ending_track + 1; 2249 else if (starting_track < th->starting_track || 2250 starting_track > th->ending_track + 1) { 2251 kprintf("scsi_cd: error in readtocentries, " 2252 "returning EINVAL\n"); 2253 kfree(data, M_SCSICD); 2254 kfree(lead, M_SCSICD); 2255 cam_periph_unlock(periph); 2256 error = EINVAL; 2257 break; 2258 } 2259 2260 /* calculate reading length without leadout entry */ 2261 readlen = (th->ending_track - starting_track + 1) * 2262 sizeof(struct cd_toc_entry); 2263 2264 /* and with leadout entry */ 2265 len = readlen + sizeof(struct cd_toc_entry); 2266 if (te->data_len < len) { 2267 len = te->data_len; 2268 if (readlen > len) 2269 readlen = len; 2270 } 2271 if (len > sizeof(data->entries)) { 2272 kprintf("scsi_cd: error in readtocentries, " 2273 "returning EINVAL\n"); 2274 error = EINVAL; 2275 kfree(data, M_SCSICD); 2276 kfree(lead, M_SCSICD); 2277 cam_periph_unlock(periph); 2278 break; 2279 } 2280 num = len / sizeof(struct cd_toc_entry); 2281 2282 if (readlen > 0) { 2283 error = cdreadtoc(periph, te->address_format, 2284 starting_track, 2285 (u_int8_t *)data, 2286 readlen + sizeof (*th), 2287 /*sense_flags*/0); 2288 if (error) { 2289 kfree(data, M_SCSICD); 2290 kfree(lead, M_SCSICD); 2291 cam_periph_unlock(periph); 2292 break; 2293 } 2294 } 2295 2296 /* make leadout entry if needed */ 2297 idx = starting_track + num - 1; 2298 if (softc->quirks & CD_Q_BCD_TRACKS) 2299 th->ending_track = bcd2bin(th->ending_track); 2300 if (idx == th->ending_track + 1) { 2301 error = cdreadtoc(periph, te->address_format, 2302 LEADOUT, (u_int8_t *)lead, 2303 sizeof(*lead), 2304 /*sense_flags*/0); 2305 if (error) { 2306 kfree(data, M_SCSICD); 2307 kfree(lead, M_SCSICD); 2308 cam_periph_unlock(periph); 2309 break; 2310 } 2311 data->entries[idx - starting_track] = 2312 lead->entry; 2313 } 2314 if (softc->quirks & CD_Q_BCD_TRACKS) { 2315 for (idx = 0; idx < num - 1; idx++) { 2316 data->entries[idx].track = 2317 bcd2bin(data->entries[idx].track); 2318 } 2319 } 2320 2321 cam_periph_unlock(periph); 2322 error = copyout(data->entries, te->data, len); 2323 kfree(data, M_SCSICD); 2324 kfree(lead, M_SCSICD); 2325 } 2326 break; 2327 case CDIOREADTOCENTRY: 2328 { 2329 struct cd_toc_single *data; 2330 struct ioc_read_toc_single_entry *te = 2331 (struct ioc_read_toc_single_entry *) addr; 2332 struct ioc_toc_header *th; 2333 u_int32_t track; 2334 2335 data = kmalloc(sizeof(*data), M_SCSICD, M_WAITOK); 2336 2337 cam_periph_lock(periph); 2338 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2339 ("trying to do CDIOREADTOCENTRY\n")); 2340 2341 if (te->address_format != CD_MSF_FORMAT 2342 && te->address_format != CD_LBA_FORMAT) { 2343 kprintf("error in readtocentry, " 2344 " returning EINVAL\n"); 2345 kfree(data, M_SCSICD); 2346 error = EINVAL; 2347 cam_periph_unlock(periph); 2348 break; 2349 } 2350 2351 th = &data->header; 2352 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2353 sizeof (*th), /*sense_flags*/0); 2354 if (error) { 2355 kfree(data, M_SCSICD); 2356 cam_periph_unlock(periph); 2357 break; 2358 } 2359 2360 if (softc->quirks & CD_Q_BCD_TRACKS) { 2361 /* we are going to have to convert the BCD 2362 * encoding on the cd to what is expected 2363 */ 2364 th->starting_track = 2365 bcd2bin(th->starting_track); 2366 th->ending_track = bcd2bin(th->ending_track); 2367 } 2368 track = te->track; 2369 if (track == 0) 2370 track = th->starting_track; 2371 else if (track == LEADOUT) 2372 /* OK */; 2373 else if (track < th->starting_track || 2374 track > th->ending_track + 1) { 2375 kprintf("error in readtocentry, " 2376 " returning EINVAL\n"); 2377 kfree(data, M_SCSICD); 2378 error = EINVAL; 2379 cam_periph_unlock(periph); 2380 break; 2381 } 2382 2383 error = cdreadtoc(periph, te->address_format, track, 2384 (u_int8_t *)data, sizeof(*data), 2385 /*sense_flags*/0); 2386 if (error) { 2387 kfree(data, M_SCSICD); 2388 cam_periph_unlock(periph); 2389 break; 2390 } 2391 2392 if (softc->quirks & CD_Q_BCD_TRACKS) 2393 data->entry.track = bcd2bin(data->entry.track); 2394 bcopy(&data->entry, &te->entry, 2395 sizeof(struct cd_toc_entry)); 2396 kfree(data, M_SCSICD); 2397 cam_periph_unlock(periph); 2398 } 2399 break; 2400 case CDIOCSETPATCH: 2401 { 2402 struct ioc_patch *arg = (struct ioc_patch *)addr; 2403 struct cd_mode_params params; 2404 union cd_pages *page; 2405 2406 params.alloc_len = sizeof(union cd_mode_data_6_10); 2407 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2408 M_WAITOK | M_ZERO); 2409 2410 cam_periph_lock(periph); 2411 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2412 ("trying to do CDIOCSETPATCH\n")); 2413 2414 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2415 if (error) { 2416 kfree(params.mode_buf, M_SCSICD); 2417 cam_periph_unlock(periph); 2418 break; 2419 } 2420 page = cdgetpage(¶ms); 2421 2422 page->audio.port[LEFT_PORT].channels = 2423 arg->patch[0]; 2424 page->audio.port[RIGHT_PORT].channels = 2425 arg->patch[1]; 2426 page->audio.port[2].channels = arg->patch[2]; 2427 page->audio.port[3].channels = arg->patch[3]; 2428 error = cdsetmode(periph, ¶ms); 2429 kfree(params.mode_buf, M_SCSICD); 2430 cam_periph_unlock(periph); 2431 } 2432 break; 2433 case CDIOCGETVOL: 2434 { 2435 struct ioc_vol *arg = (struct ioc_vol *) addr; 2436 struct cd_mode_params params; 2437 union cd_pages *page; 2438 2439 params.alloc_len = sizeof(union cd_mode_data_6_10); 2440 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2441 M_WAITOK | M_ZERO); 2442 2443 cam_periph_lock(periph); 2444 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2445 ("trying to do CDIOCGETVOL\n")); 2446 2447 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2448 if (error) { 2449 kfree(params.mode_buf, M_SCSICD); 2450 cam_periph_unlock(periph); 2451 break; 2452 } 2453 page = cdgetpage(¶ms); 2454 2455 arg->vol[LEFT_PORT] = 2456 page->audio.port[LEFT_PORT].volume; 2457 arg->vol[RIGHT_PORT] = 2458 page->audio.port[RIGHT_PORT].volume; 2459 arg->vol[2] = page->audio.port[2].volume; 2460 arg->vol[3] = page->audio.port[3].volume; 2461 kfree(params.mode_buf, M_SCSICD); 2462 cam_periph_unlock(periph); 2463 } 2464 break; 2465 case CDIOCSETVOL: 2466 { 2467 struct ioc_vol *arg = (struct ioc_vol *) addr; 2468 struct cd_mode_params params; 2469 union cd_pages *page; 2470 2471 params.alloc_len = sizeof(union cd_mode_data_6_10); 2472 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2473 M_WAITOK | M_ZERO); 2474 2475 cam_periph_lock(periph); 2476 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2477 ("trying to do CDIOCSETVOL\n")); 2478 2479 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2480 if (error) { 2481 kfree(params.mode_buf, M_SCSICD); 2482 cam_periph_unlock(periph); 2483 break; 2484 } 2485 page = cdgetpage(¶ms); 2486 2487 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2488 page->audio.port[LEFT_PORT].volume = 2489 arg->vol[LEFT_PORT]; 2490 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2491 page->audio.port[RIGHT_PORT].volume = 2492 arg->vol[RIGHT_PORT]; 2493 page->audio.port[2].volume = arg->vol[2]; 2494 page->audio.port[3].volume = arg->vol[3]; 2495 error = cdsetmode(periph, ¶ms); 2496 cam_periph_unlock(periph); 2497 kfree(params.mode_buf, M_SCSICD); 2498 } 2499 break; 2500 case CDIOCSETMONO: 2501 { 2502 struct cd_mode_params params; 2503 union cd_pages *page; 2504 2505 params.alloc_len = sizeof(union cd_mode_data_6_10); 2506 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2507 M_WAITOK | M_ZERO); 2508 2509 cam_periph_lock(periph); 2510 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2511 ("trying to do CDIOCSETMONO\n")); 2512 2513 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2514 if (error) { 2515 kfree(params.mode_buf, M_SCSICD); 2516 cam_periph_unlock(periph); 2517 break; 2518 } 2519 page = cdgetpage(¶ms); 2520 2521 page->audio.port[LEFT_PORT].channels = 2522 LEFT_CHANNEL | RIGHT_CHANNEL; 2523 page->audio.port[RIGHT_PORT].channels = 2524 LEFT_CHANNEL | RIGHT_CHANNEL; 2525 page->audio.port[2].channels = 0; 2526 page->audio.port[3].channels = 0; 2527 error = cdsetmode(periph, ¶ms); 2528 cam_periph_unlock(periph); 2529 kfree(params.mode_buf, M_SCSICD); 2530 } 2531 break; 2532 case CDIOCSETSTEREO: 2533 { 2534 struct cd_mode_params params; 2535 union cd_pages *page; 2536 2537 params.alloc_len = sizeof(union cd_mode_data_6_10); 2538 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2539 M_WAITOK | M_ZERO); 2540 2541 cam_periph_lock(periph); 2542 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2543 ("trying to do CDIOCSETSTEREO\n")); 2544 2545 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2546 if (error) { 2547 kfree(params.mode_buf, M_SCSICD); 2548 cam_periph_unlock(periph); 2549 break; 2550 } 2551 page = cdgetpage(¶ms); 2552 2553 page->audio.port[LEFT_PORT].channels = 2554 LEFT_CHANNEL; 2555 page->audio.port[RIGHT_PORT].channels = 2556 RIGHT_CHANNEL; 2557 page->audio.port[2].channels = 0; 2558 page->audio.port[3].channels = 0; 2559 error = cdsetmode(periph, ¶ms); 2560 kfree(params.mode_buf, M_SCSICD); 2561 cam_periph_unlock(periph); 2562 } 2563 break; 2564 case CDIOCSETMUTE: 2565 { 2566 struct cd_mode_params params; 2567 union cd_pages *page; 2568 2569 params.alloc_len = sizeof(union cd_mode_data_6_10); 2570 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2571 M_WAITOK | M_ZERO); 2572 2573 cam_periph_lock(periph); 2574 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2575 ("trying to do CDIOCSETMUTE\n")); 2576 2577 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2578 if (error) { 2579 kfree(¶ms, M_SCSICD); 2580 cam_periph_unlock(periph); 2581 break; 2582 } 2583 page = cdgetpage(¶ms); 2584 2585 page->audio.port[LEFT_PORT].channels = 0; 2586 page->audio.port[RIGHT_PORT].channels = 0; 2587 page->audio.port[2].channels = 0; 2588 page->audio.port[3].channels = 0; 2589 error = cdsetmode(periph, ¶ms); 2590 kfree(params.mode_buf, M_SCSICD); 2591 cam_periph_unlock(periph); 2592 } 2593 break; 2594 case CDIOCSETLEFT: 2595 { 2596 struct cd_mode_params params; 2597 union cd_pages *page; 2598 2599 params.alloc_len = sizeof(union cd_mode_data_6_10); 2600 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2601 M_WAITOK | M_ZERO); 2602 2603 cam_periph_lock(periph); 2604 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2605 ("trying to do CDIOCSETLEFT\n")); 2606 2607 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2608 if (error) { 2609 kfree(params.mode_buf, M_SCSICD); 2610 cam_periph_unlock(periph); 2611 break; 2612 } 2613 page = cdgetpage(¶ms); 2614 2615 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2616 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2617 page->audio.port[2].channels = 0; 2618 page->audio.port[3].channels = 0; 2619 error = cdsetmode(periph, ¶ms); 2620 kfree(params.mode_buf, M_SCSICD); 2621 cam_periph_unlock(periph); 2622 } 2623 break; 2624 case CDIOCSETRIGHT: 2625 { 2626 struct cd_mode_params params; 2627 union cd_pages *page; 2628 2629 params.alloc_len = sizeof(union cd_mode_data_6_10); 2630 params.mode_buf = kmalloc(params.alloc_len, M_SCSICD, 2631 M_WAITOK | M_ZERO); 2632 2633 cam_periph_lock(periph); 2634 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2635 ("trying to do CDIOCSETRIGHT\n")); 2636 2637 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2638 if (error) { 2639 kfree(params.mode_buf, M_SCSICD); 2640 cam_periph_unlock(periph); 2641 break; 2642 } 2643 page = cdgetpage(¶ms); 2644 2645 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2646 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2647 page->audio.port[2].channels = 0; 2648 page->audio.port[3].channels = 0; 2649 error = cdsetmode(periph, ¶ms); 2650 kfree(params.mode_buf, M_SCSICD); 2651 cam_periph_unlock(periph); 2652 } 2653 break; 2654 case CDIOCRESUME: 2655 cam_periph_lock(periph); 2656 error = cdpause(periph, 1); 2657 cam_periph_unlock(periph); 2658 break; 2659 case CDIOCPAUSE: 2660 cam_periph_lock(periph); 2661 error = cdpause(periph, 0); 2662 cam_periph_unlock(periph); 2663 break; 2664 case CDIOCSTART: 2665 cam_periph_lock(periph); 2666 error = cdstartunit(periph, 0); 2667 cam_periph_unlock(periph); 2668 break; 2669 case CDIOCCLOSE: 2670 cam_periph_lock(periph); 2671 error = cdstartunit(periph, 1); 2672 cam_periph_unlock(periph); 2673 break; 2674 case CDIOCSTOP: 2675 cam_periph_lock(periph); 2676 error = cdstopunit(periph, 0); 2677 cam_periph_unlock(periph); 2678 break; 2679 case CDIOCEJECT: 2680 cam_periph_lock(periph); 2681 error = cdstopunit(periph, 1); 2682 cam_periph_unlock(periph); 2683 break; 2684 case CDIOCALLOW: 2685 cam_periph_lock(periph); 2686 cdprevent(periph, PR_ALLOW); 2687 cam_periph_unlock(periph); 2688 break; 2689 case CDIOCPREVENT: 2690 cam_periph_lock(periph); 2691 cdprevent(periph, PR_PREVENT); 2692 cam_periph_unlock(periph); 2693 break; 2694 case CDIOCSETDEBUG: 2695 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2696 error = ENOTTY; 2697 break; 2698 case CDIOCCLRDEBUG: 2699 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2700 error = ENOTTY; 2701 break; 2702 case CDIOCRESET: 2703 /* return (cd_reset(periph)); */ 2704 error = ENOTTY; 2705 break; 2706 case CDRIOCREADSPEED: 2707 cam_periph_lock(periph); 2708 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2709 cam_periph_unlock(periph); 2710 break; 2711 case CDRIOCWRITESPEED: 2712 cam_periph_lock(periph); 2713 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2714 cam_periph_unlock(periph); 2715 break; 2716 case DVDIOCSENDKEY: 2717 case DVDIOCREPORTKEY: { 2718 struct dvd_authinfo *authinfo; 2719 2720 authinfo = (struct dvd_authinfo *)addr; 2721 2722 cam_periph_lock(periph); 2723 if (ap->a_cmd == DVDIOCREPORTKEY) 2724 error = cdreportkey(periph, authinfo); 2725 else 2726 error = cdsendkey(periph, authinfo); 2727 cam_periph_unlock(periph); 2728 break; 2729 } 2730 case DVDIOCREADSTRUCTURE: { 2731 struct dvd_struct *dvdstruct; 2732 2733 dvdstruct = (struct dvd_struct *)addr; 2734 2735 cam_periph_lock(periph); 2736 error = cdreaddvdstructure(periph, dvdstruct); 2737 cam_periph_unlock(periph); 2738 2739 break; 2740 } 2741 default: 2742 cam_periph_lock(periph); 2743 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2744 cam_periph_unlock(periph); 2745 break; 2746 } 2747 2748 cam_periph_lock(periph); 2749 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2750 cam_periph_unhold(periph, 1); 2751 2752 return (error); 2753 } 2754 2755 static void 2756 cdprevent(struct cam_periph *periph, int action) 2757 { 2758 union ccb *ccb; 2759 struct cd_softc *softc; 2760 int error; 2761 2762 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2763 2764 softc = (struct cd_softc *)periph->softc; 2765 2766 if (((action == PR_ALLOW) 2767 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2768 || ((action == PR_PREVENT) 2769 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2770 return; 2771 } 2772 2773 ccb = cdgetccb(periph, /* priority */ 1); 2774 2775 scsi_prevent(&ccb->csio, 2776 /*retries*/ 1, 2777 cddone, 2778 MSG_SIMPLE_Q_TAG, 2779 action, 2780 SSD_FULL_SIZE, 2781 /* timeout */60000); 2782 2783 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2784 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2785 2786 xpt_release_ccb(ccb); 2787 2788 if (error == 0) { 2789 if (action == PR_ALLOW) 2790 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2791 else 2792 softc->flags |= CD_FLAG_DISC_LOCKED; 2793 } 2794 } 2795 2796 static int 2797 cdcheckmedia(struct cam_periph *periph) 2798 { 2799 struct cd_softc *softc; 2800 struct ioc_toc_header *toch; 2801 struct cd_toc_single leadout; 2802 struct ccb_getdev cgd; 2803 u_int32_t size, toclen; 2804 int error, num_entries, cdindex; 2805 int first_track_audio; 2806 struct disk_info info; 2807 2808 softc = (struct cd_softc *)periph->softc; 2809 2810 first_track_audio = -1; 2811 error = 0; 2812 2813 /* 2814 * Set up disk info fields and tell the disk subsystem to reset 2815 * its internal copy of the label. 2816 */ 2817 bzero(&info, sizeof(info)); 2818 info.d_type = DTYPE_SCSI; 2819 info.d_dsflags &= ~DSO_COMPATLABEL; 2820 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2821 info.d_serialno = xpt_path_serialno(periph->path); 2822 2823 /* 2824 * Grab the inquiry data to get the vendor and product names. 2825 * Put them in the typename and packname for the label. 2826 */ 2827 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2828 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2829 xpt_action((union ccb *)&cgd); 2830 2831 #if 0 2832 strncpy(label->d_typename, cgd.inq_data.vendor, 2833 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2834 strncpy(label->d_packname, cgd.inq_data.product, 2835 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2836 #endif 2837 /* 2838 * Clear the valid media and TOC flags until we've verified that we 2839 * have both. 2840 */ 2841 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2842 2843 /* 2844 * Get the disc size and block size. If we can't get it, we don't 2845 * have media, most likely. 2846 */ 2847 if ((error = cdsize(periph, &size)) != 0) { 2848 /* 2849 * Set a bogus sector size, so the slice code won't try to 2850 * divide by 0 and panic the kernel. 2851 */ 2852 info.d_media_blksize = 2048; 2853 disk_setdiskinfo(&softc->disk, &info); 2854 2855 /* 2856 * Tell devstat(9) we don't have a blocksize. 2857 */ 2858 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2859 2860 return (error); 2861 } else { 2862 info.d_media_blksize = softc->params.blksize; 2863 info.d_media_blocks = softc->params.disksize; 2864 disk_setdiskinfo(&softc->disk, &info); 2865 2866 /* 2867 * We unconditionally (re)set the blocksize each time the 2868 * CD device is opened. This is because the CD can change, 2869 * and therefore the blocksize might change. 2870 * XXX problems here if some slice or partition is still 2871 * open with the old size? 2872 */ 2873 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2874 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2875 softc->device_stats.block_size = softc->params.blksize; 2876 2877 softc->flags |= CD_FLAG_VALID_MEDIA; 2878 } 2879 2880 /* 2881 * Now we check the table of contents. This (currently) is only 2882 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2883 * things like present a separate entry in /dev for each track, 2884 * like that acd(4) driver does. 2885 */ 2886 bzero(&softc->toc, sizeof(softc->toc)); 2887 toch = &softc->toc.header; 2888 2889 /* 2890 * We will get errors here for media that doesn't have a table of 2891 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2892 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2893 * has not been recorded (no complete session) and the Format codes 2894 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2895 * with an INVALID FIELD IN CDB. Devices that are not capable of 2896 * reading an incomplete session on DDC/CD-R/RW media shall report 2897 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2898 * 2899 * So this isn't fatal if we can't read the table of contents, it 2900 * just means that the user won't be able to issue the play tracks 2901 * ioctl, and likely lots of other stuff won't work either. They 2902 * need to burn the CD before we can do a whole lot with it. So 2903 * we don't print anything here if we get an error back. 2904 */ 2905 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2906 SF_NO_PRINT); 2907 /* 2908 * Errors in reading the table of contents aren't fatal, we just 2909 * won't have a valid table of contents cached. 2910 */ 2911 if (error != 0) { 2912 error = 0; 2913 bzero(&softc->toc, sizeof(softc->toc)); 2914 goto bailout; 2915 } 2916 2917 if (softc->quirks & CD_Q_BCD_TRACKS) { 2918 toch->starting_track = bcd2bin(toch->starting_track); 2919 toch->ending_track = bcd2bin(toch->ending_track); 2920 } 2921 2922 /* Number of TOC entries, plus leadout */ 2923 num_entries = (toch->ending_track - toch->starting_track) + 2; 2924 2925 if (num_entries <= 0) 2926 goto bailout; 2927 2928 toclen = num_entries * sizeof(struct cd_toc_entry); 2929 2930 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2931 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2932 SF_NO_PRINT); 2933 if (error != 0) { 2934 error = 0; 2935 bzero(&softc->toc, sizeof(softc->toc)); 2936 goto bailout; 2937 } 2938 2939 if (softc->quirks & CD_Q_BCD_TRACKS) { 2940 toch->starting_track = bcd2bin(toch->starting_track); 2941 toch->ending_track = bcd2bin(toch->ending_track); 2942 } 2943 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2944 2945 /* 2946 * XXX KDM is this necessary? Probably only if the drive doesn't 2947 * return leadout information with the table of contents. 2948 */ 2949 cdindex = toch->starting_track + num_entries -1; 2950 if (cdindex == toch->ending_track + 1) { 2951 2952 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2953 (u_int8_t *)&leadout, sizeof(leadout), 2954 SF_NO_PRINT); 2955 if (error != 0) { 2956 error = 0; 2957 goto bailout; 2958 } 2959 softc->toc.entries[cdindex - toch->starting_track] = 2960 leadout.entry; 2961 } 2962 if (softc->quirks & CD_Q_BCD_TRACKS) { 2963 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2964 softc->toc.entries[cdindex].track = 2965 bcd2bin(softc->toc.entries[cdindex].track); 2966 } 2967 } 2968 2969 /* 2970 * Run through the TOC entries, find the first entry and determine 2971 * whether it is an audio or data track. 2972 */ 2973 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2974 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2975 if (softc->toc.entries[cdindex].control & 0x04) 2976 first_track_audio = 0; 2977 else 2978 first_track_audio = 1; 2979 break; 2980 } 2981 } 2982 2983 /* 2984 * If first_track_audio is non-zero, we either have an error (e.g. 2985 * couldn't find the starting track) or the first track is an audio 2986 * track. If first_track_audio is 0, the first track is a data 2987 * track that could have a disklabel. Attempt to read the 2988 * disklabel off the media, just in case the user put one there. 2989 */ 2990 if (first_track_audio == 0) { 2991 info.d_dsflags |= DSO_COMPATLABEL; 2992 info.d_dsflags &= ~DSO_NOLABELS; 2993 disk_setdiskinfo(&softc->disk, &info); 2994 } 2995 softc->flags |= CD_FLAG_VALID_TOC; 2996 2997 bailout: 2998 return (error); 2999 } 3000 3001 static int 3002 cdsize(struct cam_periph *periph, u_int32_t *size) 3003 { 3004 struct cd_softc *softc; 3005 union ccb *ccb; 3006 struct scsi_read_capacity_data *rcap_buf; 3007 int error; 3008 3009 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3010 3011 softc = (struct cd_softc *)periph->softc; 3012 3013 ccb = cdgetccb(periph, /* priority */ 1); 3014 3015 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3016 M_SCSICD, M_INTWAIT | M_ZERO); 3017 3018 scsi_read_capacity(&ccb->csio, 3019 /*retries*/ 1, 3020 cddone, 3021 MSG_SIMPLE_Q_TAG, 3022 rcap_buf, 3023 SSD_FULL_SIZE, 3024 /* timeout */20000); 3025 3026 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3027 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3028 3029 xpt_release_ccb(ccb); 3030 3031 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3032 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3033 /* 3034 * SCSI-3 mandates that the reported blocksize shall be 2048. 3035 * Older drives sometimes report funny values, trim it down to 3036 * 2048, or other parts of the kernel will get confused. 3037 * 3038 * XXX we leave drives alone that might report 512 bytes, as 3039 * well as drives reporting more weird sizes like perhaps 4K. 3040 */ 3041 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3042 softc->params.blksize = 2048; 3043 3044 kfree(rcap_buf, M_SCSICD); 3045 *size = softc->params.disksize; 3046 3047 return (error); 3048 3049 } 3050 3051 static int 3052 cd6byteworkaround(union ccb *ccb) 3053 { 3054 u_int8_t *cdb; 3055 struct cam_periph *periph; 3056 struct cd_softc *softc; 3057 struct cd_mode_params *params; 3058 int frozen, found; 3059 3060 periph = xpt_path_periph(ccb->ccb_h.path); 3061 softc = (struct cd_softc *)periph->softc; 3062 3063 cdb = ccb->csio.cdb_io.cdb_bytes; 3064 3065 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3066 || ((cdb[0] != MODE_SENSE_6) 3067 && (cdb[0] != MODE_SELECT_6))) 3068 return (0); 3069 3070 /* 3071 * Because there is no convenient place to stash the overall 3072 * cd_mode_params structure pointer, we have to grab it like this. 3073 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3074 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3075 * 3076 * XXX It would be nice if, at some point, we could increase the 3077 * number of available peripheral private pointers. Both pointers 3078 * are currently used in most every peripheral driver. 3079 */ 3080 found = 0; 3081 3082 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3083 if (params->mode_buf == ccb->csio.data_ptr) { 3084 found = 1; 3085 break; 3086 } 3087 } 3088 3089 /* 3090 * This shouldn't happen. All mode sense and mode select 3091 * operations in the cd(4) driver MUST go through cdgetmode() and 3092 * cdsetmode()! 3093 */ 3094 if (found == 0) { 3095 xpt_print(periph->path, 3096 "mode buffer not found in mode queue!\n"); 3097 return (0); 3098 } 3099 3100 params->cdb_size = 10; 3101 softc->minimum_command_size = 10; 3102 xpt_print(ccb->ccb_h.path, 3103 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3104 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3105 3106 if (cdb[0] == MODE_SENSE_6) { 3107 struct scsi_mode_sense_10 ms10; 3108 struct scsi_mode_sense_6 *ms6; 3109 int len; 3110 3111 ms6 = (struct scsi_mode_sense_6 *)cdb; 3112 3113 bzero(&ms10, sizeof(ms10)); 3114 ms10.opcode = MODE_SENSE_10; 3115 ms10.byte2 = ms6->byte2; 3116 ms10.page = ms6->page; 3117 3118 /* 3119 * 10 byte mode header, block descriptor, 3120 * sizeof(union cd_pages) 3121 */ 3122 len = sizeof(struct cd_mode_data_10); 3123 ccb->csio.dxfer_len = len; 3124 3125 scsi_ulto2b(len, ms10.length); 3126 ms10.control = ms6->control; 3127 bcopy(&ms10, cdb, 10); 3128 ccb->csio.cdb_len = 10; 3129 } else { 3130 struct scsi_mode_select_10 ms10; 3131 struct scsi_mode_select_6 *ms6; 3132 struct scsi_mode_header_6 *header6; 3133 struct scsi_mode_header_10 *header10; 3134 struct scsi_mode_page_header *page_header; 3135 int blk_desc_len, page_num, page_size, len; 3136 3137 ms6 = (struct scsi_mode_select_6 *)cdb; 3138 3139 bzero(&ms10, sizeof(ms10)); 3140 ms10.opcode = MODE_SELECT_10; 3141 ms10.byte2 = ms6->byte2; 3142 3143 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3144 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3145 3146 page_header = find_mode_page_6(header6); 3147 page_num = page_header->page_code; 3148 3149 blk_desc_len = header6->blk_desc_len; 3150 3151 page_size = cdgetpagesize(page_num); 3152 3153 if (page_size != (page_header->page_length + 3154 sizeof(*page_header))) 3155 page_size = page_header->page_length + 3156 sizeof(*page_header); 3157 3158 len = sizeof(*header10) + blk_desc_len + page_size; 3159 3160 len = min(params->alloc_len, len); 3161 3162 /* 3163 * Since the 6 byte parameter header is shorter than the 10 3164 * byte parameter header, we need to copy the actual mode 3165 * page data, and the block descriptor, if any, so things wind 3166 * up in the right place. The regions will overlap, but 3167 * bcopy() does the right thing. 3168 */ 3169 bcopy(params->mode_buf + sizeof(*header6), 3170 params->mode_buf + sizeof(*header10), 3171 len - sizeof(*header10)); 3172 3173 /* Make sure these fields are set correctly. */ 3174 scsi_ulto2b(0, header10->data_length); 3175 header10->medium_type = 0; 3176 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3177 3178 ccb->csio.dxfer_len = len; 3179 3180 scsi_ulto2b(len, ms10.length); 3181 ms10.control = ms6->control; 3182 bcopy(&ms10, cdb, 10); 3183 ccb->csio.cdb_len = 10; 3184 } 3185 3186 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3187 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3188 xpt_action(ccb); 3189 if (frozen) { 3190 cam_release_devq(ccb->ccb_h.path, 3191 /*relsim_flags*/0, 3192 /*openings*/0, 3193 /*timeout*/0, 3194 /*getcount_only*/0); 3195 } 3196 3197 return (ERESTART); 3198 } 3199 3200 static int 3201 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3202 { 3203 struct cd_softc *softc; 3204 struct cam_periph *periph; 3205 int error; 3206 3207 periph = xpt_path_periph(ccb->ccb_h.path); 3208 softc = (struct cd_softc *)periph->softc; 3209 3210 error = 0; 3211 3212 /* 3213 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3214 * CDB comes back with this particular error, try transforming it 3215 * into the 10 byte version. 3216 */ 3217 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3218 error = cd6byteworkaround(ccb); 3219 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3220 CAM_SCSI_STATUS_ERROR) 3221 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3222 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3223 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3224 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3225 int sense_key, error_code, asc, ascq; 3226 3227 scsi_extract_sense(&ccb->csio.sense_data, 3228 &error_code, &sense_key, &asc, &ascq); 3229 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3230 error = cd6byteworkaround(ccb); 3231 } 3232 3233 if (error == ERESTART) 3234 return (error); 3235 3236 /* 3237 * XXX 3238 * Until we have a better way of doing pack validation, 3239 * don't treat UAs as errors. 3240 */ 3241 sense_flags |= SF_RETRY_UA; 3242 return (cam_periph_error(ccb, cam_flags, sense_flags, 3243 &softc->saved_ccb)); 3244 } 3245 3246 /* 3247 * Read table of contents 3248 */ 3249 static int 3250 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3251 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3252 { 3253 struct scsi_read_toc *scsi_cmd; 3254 u_int32_t ntoc; 3255 struct ccb_scsiio *csio; 3256 union ccb *ccb; 3257 int error; 3258 3259 ntoc = len; 3260 error = 0; 3261 3262 ccb = cdgetccb(periph, /* priority */ 1); 3263 3264 csio = &ccb->csio; 3265 3266 cam_fill_csio(csio, 3267 /* retries */ 1, 3268 /* cbfcnp */ cddone, 3269 /* flags */ CAM_DIR_IN, 3270 /* tag_action */ MSG_SIMPLE_Q_TAG, 3271 /* data_ptr */ data, 3272 /* dxfer_len */ len, 3273 /* sense_len */ SSD_FULL_SIZE, 3274 sizeof(struct scsi_read_toc), 3275 /* timeout */ 50000); 3276 3277 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3278 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3279 3280 if (mode == CD_MSF_FORMAT) 3281 scsi_cmd->byte2 |= CD_MSF; 3282 scsi_cmd->from_track = start; 3283 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3284 scsi_cmd->data_len[0] = (ntoc) >> 8; 3285 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3286 3287 scsi_cmd->op_code = READ_TOC; 3288 3289 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3290 /*sense_flags*/SF_RETRY_UA | sense_flags); 3291 3292 xpt_release_ccb(ccb); 3293 3294 return(error); 3295 } 3296 3297 static int 3298 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3299 u_int32_t format, int track, 3300 struct cd_sub_channel_info *data, u_int32_t len) 3301 { 3302 struct scsi_read_subchannel *scsi_cmd; 3303 struct ccb_scsiio *csio; 3304 union ccb *ccb; 3305 int error; 3306 3307 error = 0; 3308 3309 ccb = cdgetccb(periph, /* priority */ 1); 3310 3311 csio = &ccb->csio; 3312 3313 cam_fill_csio(csio, 3314 /* retries */ 1, 3315 /* cbfcnp */ cddone, 3316 /* flags */ CAM_DIR_IN, 3317 /* tag_action */ MSG_SIMPLE_Q_TAG, 3318 /* data_ptr */ (u_int8_t *)data, 3319 /* dxfer_len */ len, 3320 /* sense_len */ SSD_FULL_SIZE, 3321 sizeof(struct scsi_read_subchannel), 3322 /* timeout */ 50000); 3323 3324 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3325 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3326 3327 scsi_cmd->op_code = READ_SUBCHANNEL; 3328 if (mode == CD_MSF_FORMAT) 3329 scsi_cmd->byte1 |= CD_MSF; 3330 scsi_cmd->byte2 = SRS_SUBQ; 3331 scsi_cmd->subchan_format = format; 3332 scsi_cmd->track = track; 3333 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3334 scsi_cmd->control = 0; 3335 3336 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3337 /*sense_flags*/SF_RETRY_UA); 3338 3339 xpt_release_ccb(ccb); 3340 3341 return(error); 3342 } 3343 3344 /* 3345 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3346 * routine. See comments in cd6byteworkaround() for details. 3347 */ 3348 static int 3349 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3350 u_int32_t page) 3351 { 3352 struct ccb_scsiio *csio; 3353 struct cd_softc *softc; 3354 union ccb *ccb; 3355 int param_len; 3356 int error; 3357 3358 softc = (struct cd_softc *)periph->softc; 3359 3360 ccb = cdgetccb(periph, /* priority */ 1); 3361 3362 csio = &ccb->csio; 3363 3364 data->cdb_size = softc->minimum_command_size; 3365 if (data->cdb_size < 10) 3366 param_len = sizeof(struct cd_mode_data); 3367 else 3368 param_len = sizeof(struct cd_mode_data_10); 3369 3370 /* Don't say we've got more room than we actually allocated */ 3371 param_len = min(param_len, data->alloc_len); 3372 3373 scsi_mode_sense_len(csio, 3374 /* retries */ 1, 3375 /* cbfcnp */ cddone, 3376 /* tag_action */ MSG_SIMPLE_Q_TAG, 3377 /* dbd */ 0, 3378 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3379 /* page */ page, 3380 /* param_buf */ data->mode_buf, 3381 /* param_len */ param_len, 3382 /* minimum_cmd_size */ softc->minimum_command_size, 3383 /* sense_len */ SSD_FULL_SIZE, 3384 /* timeout */ 50000); 3385 3386 /* 3387 * It would be nice not to have to do this, but there's no 3388 * available pointer in the CCB that would allow us to stuff the 3389 * mode params structure in there and retrieve it in 3390 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3391 * lets the caller know what CDB size we ended up using, so they 3392 * can find the actual mode page offset. 3393 */ 3394 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3395 3396 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3397 /*sense_flags*/SF_RETRY_UA); 3398 3399 xpt_release_ccb(ccb); 3400 3401 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3402 3403 /* 3404 * This is a bit of belt-and-suspenders checking, but if we run 3405 * into a situation where the target sends back multiple block 3406 * descriptors, we might not have enough space in the buffer to 3407 * see the whole mode page. Better to return an error than 3408 * potentially access memory beyond our malloced region. 3409 */ 3410 if (error == 0) { 3411 u_int32_t data_len; 3412 3413 if (data->cdb_size == 10) { 3414 struct scsi_mode_header_10 *hdr10; 3415 3416 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3417 data_len = scsi_2btoul(hdr10->data_length); 3418 data_len += sizeof(hdr10->data_length); 3419 } else { 3420 struct scsi_mode_header_6 *hdr6; 3421 3422 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3423 data_len = hdr6->data_length; 3424 data_len += sizeof(hdr6->data_length); 3425 } 3426 3427 /* 3428 * Complain if there is more mode data available than we 3429 * allocated space for. This could potentially happen if 3430 * we miscalculated the page length for some reason, if the 3431 * drive returns multiple block descriptors, or if it sets 3432 * the data length incorrectly. 3433 */ 3434 if (data_len > data->alloc_len) { 3435 xpt_print(periph->path, "allocated modepage %d length " 3436 "%d < returned length %d\n", page, data->alloc_len, 3437 data_len); 3438 error = ENOSPC; 3439 } 3440 } 3441 return (error); 3442 } 3443 3444 /* 3445 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3446 * routine. See comments in cd6byteworkaround() for details. 3447 */ 3448 static int 3449 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3450 { 3451 struct ccb_scsiio *csio; 3452 struct cd_softc *softc; 3453 union ccb *ccb; 3454 int cdb_size, param_len; 3455 int error; 3456 3457 softc = (struct cd_softc *)periph->softc; 3458 3459 ccb = cdgetccb(periph, /* priority */ 1); 3460 3461 csio = &ccb->csio; 3462 3463 error = 0; 3464 3465 /* 3466 * If the data is formatted for the 10 byte version of the mode 3467 * select parameter list, we need to use the 10 byte CDB. 3468 * Otherwise, we use whatever the stored minimum command size. 3469 */ 3470 if (data->cdb_size == 10) 3471 cdb_size = data->cdb_size; 3472 else 3473 cdb_size = softc->minimum_command_size; 3474 3475 if (cdb_size >= 10) { 3476 struct scsi_mode_header_10 *mode_header; 3477 u_int32_t data_len; 3478 3479 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3480 3481 data_len = scsi_2btoul(mode_header->data_length); 3482 3483 scsi_ulto2b(0, mode_header->data_length); 3484 /* 3485 * SONY drives do not allow a mode select with a medium_type 3486 * value that has just been returned by a mode sense; use a 3487 * medium_type of 0 (Default) instead. 3488 */ 3489 mode_header->medium_type = 0; 3490 3491 /* 3492 * Pass back whatever the drive passed to us, plus the size 3493 * of the data length field. 3494 */ 3495 param_len = data_len + sizeof(mode_header->data_length); 3496 3497 } else { 3498 struct scsi_mode_header_6 *mode_header; 3499 3500 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3501 3502 param_len = mode_header->data_length + 1; 3503 3504 mode_header->data_length = 0; 3505 /* 3506 * SONY drives do not allow a mode select with a medium_type 3507 * value that has just been returned by a mode sense; use a 3508 * medium_type of 0 (Default) instead. 3509 */ 3510 mode_header->medium_type = 0; 3511 } 3512 3513 /* Don't say we've got more room than we actually allocated */ 3514 param_len = min(param_len, data->alloc_len); 3515 3516 scsi_mode_select_len(csio, 3517 /* retries */ 1, 3518 /* cbfcnp */ cddone, 3519 /* tag_action */ MSG_SIMPLE_Q_TAG, 3520 /* scsi_page_fmt */ 1, 3521 /* save_pages */ 0, 3522 /* param_buf */ data->mode_buf, 3523 /* param_len */ param_len, 3524 /* minimum_cmd_size */ cdb_size, 3525 /* sense_len */ SSD_FULL_SIZE, 3526 /* timeout */ 50000); 3527 3528 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3529 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3530 3531 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3532 /*sense_flags*/SF_RETRY_UA); 3533 3534 xpt_release_ccb(ccb); 3535 3536 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3537 3538 return (error); 3539 } 3540 3541 3542 3543 static int 3544 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3545 { 3546 struct ccb_scsiio *csio; 3547 union ccb *ccb; 3548 int error; 3549 u_int8_t cdb_len; 3550 3551 error = 0; 3552 ccb = cdgetccb(periph, /* priority */ 1); 3553 csio = &ccb->csio; 3554 /* 3555 * Use the smallest possible command to perform the operation. 3556 */ 3557 if ((len & 0xffff0000) == 0) { 3558 /* 3559 * We can fit in a 10 byte cdb. 3560 */ 3561 struct scsi_play_10 *scsi_cmd; 3562 3563 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3564 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3565 scsi_cmd->op_code = PLAY_10; 3566 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3567 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3568 cdb_len = sizeof(*scsi_cmd); 3569 } else { 3570 struct scsi_play_12 *scsi_cmd; 3571 3572 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3573 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3574 scsi_cmd->op_code = PLAY_12; 3575 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3576 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3577 cdb_len = sizeof(*scsi_cmd); 3578 } 3579 cam_fill_csio(csio, 3580 /*retries*/2, 3581 cddone, 3582 /*flags*/CAM_DIR_NONE, 3583 MSG_SIMPLE_Q_TAG, 3584 /*dataptr*/NULL, 3585 /*datalen*/0, 3586 /*sense_len*/SSD_FULL_SIZE, 3587 cdb_len, 3588 /*timeout*/50 * 1000); 3589 3590 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3591 /*sense_flags*/SF_RETRY_UA); 3592 3593 xpt_release_ccb(ccb); 3594 3595 return(error); 3596 } 3597 3598 static int 3599 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3600 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3601 { 3602 struct scsi_play_msf *scsi_cmd; 3603 struct ccb_scsiio *csio; 3604 union ccb *ccb; 3605 int error; 3606 3607 error = 0; 3608 3609 ccb = cdgetccb(periph, /* priority */ 1); 3610 3611 csio = &ccb->csio; 3612 3613 cam_fill_csio(csio, 3614 /* retries */ 1, 3615 /* cbfcnp */ cddone, 3616 /* flags */ CAM_DIR_NONE, 3617 /* tag_action */ MSG_SIMPLE_Q_TAG, 3618 /* data_ptr */ NULL, 3619 /* dxfer_len */ 0, 3620 /* sense_len */ SSD_FULL_SIZE, 3621 sizeof(struct scsi_play_msf), 3622 /* timeout */ 50000); 3623 3624 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3625 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3626 3627 scsi_cmd->op_code = PLAY_MSF; 3628 scsi_cmd->start_m = startm; 3629 scsi_cmd->start_s = starts; 3630 scsi_cmd->start_f = startf; 3631 scsi_cmd->end_m = endm; 3632 scsi_cmd->end_s = ends; 3633 scsi_cmd->end_f = endf; 3634 3635 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3636 /*sense_flags*/SF_RETRY_UA); 3637 3638 xpt_release_ccb(ccb); 3639 3640 return(error); 3641 } 3642 3643 3644 static int 3645 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3646 u_int32_t etrack, u_int32_t eindex) 3647 { 3648 struct scsi_play_track *scsi_cmd; 3649 struct ccb_scsiio *csio; 3650 union ccb *ccb; 3651 int error; 3652 3653 error = 0; 3654 3655 ccb = cdgetccb(periph, /* priority */ 1); 3656 3657 csio = &ccb->csio; 3658 3659 cam_fill_csio(csio, 3660 /* retries */ 1, 3661 /* cbfcnp */ cddone, 3662 /* flags */ CAM_DIR_NONE, 3663 /* tag_action */ MSG_SIMPLE_Q_TAG, 3664 /* data_ptr */ NULL, 3665 /* dxfer_len */ 0, 3666 /* sense_len */ SSD_FULL_SIZE, 3667 sizeof(struct scsi_play_track), 3668 /* timeout */ 50000); 3669 3670 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3671 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3672 3673 scsi_cmd->op_code = PLAY_TRACK; 3674 scsi_cmd->start_track = strack; 3675 scsi_cmd->start_index = sindex; 3676 scsi_cmd->end_track = etrack; 3677 scsi_cmd->end_index = eindex; 3678 3679 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3680 /*sense_flags*/SF_RETRY_UA); 3681 3682 xpt_release_ccb(ccb); 3683 3684 return(error); 3685 } 3686 3687 static int 3688 cdpause(struct cam_periph *periph, u_int32_t go) 3689 { 3690 struct scsi_pause *scsi_cmd; 3691 struct ccb_scsiio *csio; 3692 union ccb *ccb; 3693 int error; 3694 3695 error = 0; 3696 3697 ccb = cdgetccb(periph, /* priority */ 1); 3698 3699 csio = &ccb->csio; 3700 3701 cam_fill_csio(csio, 3702 /* retries */ 1, 3703 /* cbfcnp */ cddone, 3704 /* flags */ CAM_DIR_NONE, 3705 /* tag_action */ MSG_SIMPLE_Q_TAG, 3706 /* data_ptr */ NULL, 3707 /* dxfer_len */ 0, 3708 /* sense_len */ SSD_FULL_SIZE, 3709 sizeof(struct scsi_pause), 3710 /* timeout */ 50000); 3711 3712 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3713 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3714 3715 scsi_cmd->op_code = PAUSE; 3716 scsi_cmd->resume = go; 3717 3718 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3719 /*sense_flags*/SF_RETRY_UA); 3720 3721 xpt_release_ccb(ccb); 3722 3723 return(error); 3724 } 3725 3726 static int 3727 cdstartunit(struct cam_periph *periph, int load) 3728 { 3729 union ccb *ccb; 3730 int error; 3731 3732 error = 0; 3733 3734 ccb = cdgetccb(periph, /* priority */ 1); 3735 3736 scsi_start_stop(&ccb->csio, 3737 /* retries */ 1, 3738 /* cbfcnp */ cddone, 3739 /* tag_action */ MSG_SIMPLE_Q_TAG, 3740 /* start */ TRUE, 3741 /* load_eject */ load, 3742 /* immediate */ FALSE, 3743 /* sense_len */ SSD_FULL_SIZE, 3744 /* timeout */ 50000); 3745 3746 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3747 /*sense_flags*/SF_RETRY_UA); 3748 3749 xpt_release_ccb(ccb); 3750 3751 return(error); 3752 } 3753 3754 static int 3755 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3756 { 3757 union ccb *ccb; 3758 int error; 3759 3760 error = 0; 3761 3762 ccb = cdgetccb(periph, /* priority */ 1); 3763 3764 scsi_start_stop(&ccb->csio, 3765 /* retries */ 1, 3766 /* cbfcnp */ cddone, 3767 /* tag_action */ MSG_SIMPLE_Q_TAG, 3768 /* start */ FALSE, 3769 /* load_eject */ eject, 3770 /* immediate */ FALSE, 3771 /* sense_len */ SSD_FULL_SIZE, 3772 /* timeout */ 50000); 3773 3774 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3775 /*sense_flags*/SF_RETRY_UA); 3776 3777 xpt_release_ccb(ccb); 3778 3779 return(error); 3780 } 3781 3782 static int 3783 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3784 { 3785 struct scsi_set_speed *scsi_cmd; 3786 struct ccb_scsiio *csio; 3787 union ccb *ccb; 3788 int error; 3789 3790 error = 0; 3791 ccb = cdgetccb(periph, /* priority */ 1); 3792 csio = &ccb->csio; 3793 3794 /* Preserve old behavior: units in multiples of CDROM speed */ 3795 if (rdspeed < 177) 3796 rdspeed *= 177; 3797 if (wrspeed < 177) 3798 wrspeed *= 177; 3799 3800 cam_fill_csio(csio, 3801 /* retries */ 1, 3802 /* cbfcnp */ cddone, 3803 /* flags */ CAM_DIR_NONE, 3804 /* tag_action */ MSG_SIMPLE_Q_TAG, 3805 /* data_ptr */ NULL, 3806 /* dxfer_len */ 0, 3807 /* sense_len */ SSD_FULL_SIZE, 3808 sizeof(struct scsi_set_speed), 3809 /* timeout */ 50000); 3810 3811 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3812 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3813 3814 scsi_cmd->opcode = SET_CD_SPEED; 3815 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3816 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3817 3818 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3819 /*sense_flags*/SF_RETRY_UA); 3820 3821 xpt_release_ccb(ccb); 3822 3823 return(error); 3824 } 3825 3826 static int 3827 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3828 { 3829 union ccb *ccb; 3830 u_int8_t *databuf; 3831 u_int32_t lba; 3832 int error; 3833 int length; 3834 3835 error = 0; 3836 databuf = NULL; 3837 lba = 0; 3838 3839 ccb = cdgetccb(periph, /* priority */ 1); 3840 3841 switch (authinfo->format) { 3842 case DVD_REPORT_AGID: 3843 length = sizeof(struct scsi_report_key_data_agid); 3844 break; 3845 case DVD_REPORT_CHALLENGE: 3846 length = sizeof(struct scsi_report_key_data_challenge); 3847 break; 3848 case DVD_REPORT_KEY1: 3849 length = sizeof(struct scsi_report_key_data_key1_key2); 3850 break; 3851 case DVD_REPORT_TITLE_KEY: 3852 length = sizeof(struct scsi_report_key_data_title); 3853 /* The lba field is only set for the title key */ 3854 lba = authinfo->lba; 3855 break; 3856 case DVD_REPORT_ASF: 3857 length = sizeof(struct scsi_report_key_data_asf); 3858 break; 3859 case DVD_REPORT_RPC: 3860 length = sizeof(struct scsi_report_key_data_rpc); 3861 break; 3862 case DVD_INVALIDATE_AGID: 3863 length = 0; 3864 break; 3865 default: 3866 error = EINVAL; 3867 goto bailout; 3868 break; /* NOTREACHED */ 3869 } 3870 3871 if (length != 0) { 3872 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3873 } else { 3874 databuf = NULL; 3875 } 3876 3877 3878 scsi_report_key(&ccb->csio, 3879 /* retries */ 1, 3880 /* cbfcnp */ cddone, 3881 /* tag_action */ MSG_SIMPLE_Q_TAG, 3882 /* lba */ lba, 3883 /* agid */ authinfo->agid, 3884 /* key_format */ authinfo->format, 3885 /* data_ptr */ databuf, 3886 /* dxfer_len */ length, 3887 /* sense_len */ SSD_FULL_SIZE, 3888 /* timeout */ 50000); 3889 3890 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3891 /*sense_flags*/SF_RETRY_UA); 3892 3893 if (error != 0) 3894 goto bailout; 3895 3896 if (ccb->csio.resid != 0) { 3897 xpt_print(periph->path, "warning, residual for report key " 3898 "command is %d\n", ccb->csio.resid); 3899 } 3900 3901 switch(authinfo->format) { 3902 case DVD_REPORT_AGID: { 3903 struct scsi_report_key_data_agid *agid_data; 3904 3905 agid_data = (struct scsi_report_key_data_agid *)databuf; 3906 3907 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3908 RKD_AGID_SHIFT; 3909 break; 3910 } 3911 case DVD_REPORT_CHALLENGE: { 3912 struct scsi_report_key_data_challenge *chal_data; 3913 3914 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3915 3916 bcopy(chal_data->challenge_key, authinfo->keychal, 3917 min(sizeof(chal_data->challenge_key), 3918 sizeof(authinfo->keychal))); 3919 break; 3920 } 3921 case DVD_REPORT_KEY1: { 3922 struct scsi_report_key_data_key1_key2 *key1_data; 3923 3924 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3925 3926 bcopy(key1_data->key1, authinfo->keychal, 3927 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3928 break; 3929 } 3930 case DVD_REPORT_TITLE_KEY: { 3931 struct scsi_report_key_data_title *title_data; 3932 3933 title_data = (struct scsi_report_key_data_title *)databuf; 3934 3935 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3936 RKD_TITLE_CPM_SHIFT; 3937 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3938 RKD_TITLE_CP_SEC_SHIFT; 3939 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3940 RKD_TITLE_CMGS_SHIFT; 3941 bcopy(title_data->title_key, authinfo->keychal, 3942 min(sizeof(title_data->title_key), 3943 sizeof(authinfo->keychal))); 3944 break; 3945 } 3946 case DVD_REPORT_ASF: { 3947 struct scsi_report_key_data_asf *asf_data; 3948 3949 asf_data = (struct scsi_report_key_data_asf *)databuf; 3950 3951 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3952 break; 3953 } 3954 case DVD_REPORT_RPC: { 3955 struct scsi_report_key_data_rpc *rpc_data; 3956 3957 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3958 3959 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3960 RKD_RPC_TYPE_SHIFT; 3961 authinfo->vend_rsts = 3962 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3963 RKD_RPC_VENDOR_RESET_SHIFT; 3964 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3965 authinfo->region = rpc_data->region_mask; 3966 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3967 break; 3968 } 3969 case DVD_INVALIDATE_AGID: 3970 break; 3971 default: 3972 /* This should be impossible, since we checked above */ 3973 error = EINVAL; 3974 goto bailout; 3975 break; /* NOTREACHED */ 3976 } 3977 bailout: 3978 if (databuf != NULL) 3979 kfree(databuf, M_DEVBUF); 3980 3981 xpt_release_ccb(ccb); 3982 3983 return(error); 3984 } 3985 3986 static int 3987 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3988 { 3989 union ccb *ccb; 3990 u_int8_t *databuf; 3991 int length; 3992 int error; 3993 3994 error = 0; 3995 databuf = NULL; 3996 3997 ccb = cdgetccb(periph, /* priority */ 1); 3998 3999 switch(authinfo->format) { 4000 case DVD_SEND_CHALLENGE: { 4001 struct scsi_report_key_data_challenge *challenge_data; 4002 4003 length = sizeof(*challenge_data); 4004 4005 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4006 4007 databuf = (u_int8_t *)challenge_data; 4008 4009 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4010 challenge_data->data_len); 4011 4012 bcopy(authinfo->keychal, challenge_data->challenge_key, 4013 min(sizeof(authinfo->keychal), 4014 sizeof(challenge_data->challenge_key))); 4015 break; 4016 } 4017 case DVD_SEND_KEY2: { 4018 struct scsi_report_key_data_key1_key2 *key2_data; 4019 4020 length = sizeof(*key2_data); 4021 4022 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4023 4024 databuf = (u_int8_t *)key2_data; 4025 4026 scsi_ulto2b(length - sizeof(key2_data->data_len), 4027 key2_data->data_len); 4028 4029 bcopy(authinfo->keychal, key2_data->key1, 4030 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4031 4032 break; 4033 } 4034 case DVD_SEND_RPC: { 4035 struct scsi_send_key_data_rpc *rpc_data; 4036 4037 length = sizeof(*rpc_data); 4038 4039 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4040 4041 databuf = (u_int8_t *)rpc_data; 4042 4043 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4044 rpc_data->data_len); 4045 4046 rpc_data->region_code = authinfo->region; 4047 break; 4048 } 4049 default: 4050 error = EINVAL; 4051 goto bailout; 4052 break; /* NOTREACHED */ 4053 } 4054 4055 scsi_send_key(&ccb->csio, 4056 /* retries */ 1, 4057 /* cbfcnp */ cddone, 4058 /* tag_action */ MSG_SIMPLE_Q_TAG, 4059 /* agid */ authinfo->agid, 4060 /* key_format */ authinfo->format, 4061 /* data_ptr */ databuf, 4062 /* dxfer_len */ length, 4063 /* sense_len */ SSD_FULL_SIZE, 4064 /* timeout */ 50000); 4065 4066 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4067 /*sense_flags*/SF_RETRY_UA); 4068 4069 bailout: 4070 4071 if (databuf != NULL) 4072 kfree(databuf, M_DEVBUF); 4073 4074 xpt_release_ccb(ccb); 4075 4076 return(error); 4077 } 4078 4079 static int 4080 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4081 { 4082 union ccb *ccb; 4083 u_int8_t *databuf; 4084 u_int32_t address; 4085 int error; 4086 int length; 4087 4088 error = 0; 4089 databuf = NULL; 4090 /* The address is reserved for many of the formats */ 4091 address = 0; 4092 4093 ccb = cdgetccb(periph, /* priority */ 1); 4094 4095 switch(dvdstruct->format) { 4096 case DVD_STRUCT_PHYSICAL: 4097 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4098 break; 4099 case DVD_STRUCT_COPYRIGHT: 4100 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4101 break; 4102 case DVD_STRUCT_DISCKEY: 4103 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4104 break; 4105 case DVD_STRUCT_BCA: 4106 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4107 break; 4108 case DVD_STRUCT_MANUFACT: 4109 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4110 break; 4111 case DVD_STRUCT_CMI: 4112 error = ENODEV; 4113 goto bailout; 4114 #ifdef notyet 4115 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4116 address = dvdstruct->address; 4117 #endif 4118 break; /* NOTREACHED */ 4119 case DVD_STRUCT_PROTDISCID: 4120 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4121 break; 4122 case DVD_STRUCT_DISCKEYBLOCK: 4123 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4124 break; 4125 case DVD_STRUCT_DDS: 4126 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4127 break; 4128 case DVD_STRUCT_MEDIUM_STAT: 4129 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4130 break; 4131 case DVD_STRUCT_SPARE_AREA: 4132 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4133 break; 4134 case DVD_STRUCT_RMD_LAST: 4135 error = ENODEV; 4136 goto bailout; 4137 #ifdef notyet 4138 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4139 address = dvdstruct->address; 4140 #endif 4141 break; /* NOTREACHED */ 4142 case DVD_STRUCT_RMD_RMA: 4143 error = ENODEV; 4144 goto bailout; 4145 #ifdef notyet 4146 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4147 address = dvdstruct->address; 4148 #endif 4149 break; /* NOTREACHED */ 4150 case DVD_STRUCT_PRERECORDED: 4151 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4152 break; 4153 case DVD_STRUCT_UNIQUEID: 4154 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4155 break; 4156 case DVD_STRUCT_DCB: 4157 error = ENODEV; 4158 goto bailout; 4159 #ifdef notyet 4160 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4161 address = dvdstruct->address; 4162 #endif 4163 break; /* NOTREACHED */ 4164 case DVD_STRUCT_LIST: 4165 /* 4166 * This is the maximum allocation length for the READ DVD 4167 * STRUCTURE command. There's nothing in the MMC3 spec 4168 * that indicates a limit in the amount of data that can 4169 * be returned from this call, other than the limits 4170 * imposed by the 2-byte length variables. 4171 */ 4172 length = 65535; 4173 break; 4174 default: 4175 error = EINVAL; 4176 goto bailout; 4177 break; /* NOTREACHED */ 4178 } 4179 4180 if (length != 0) { 4181 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4182 } else { 4183 databuf = NULL; 4184 } 4185 4186 scsi_read_dvd_structure(&ccb->csio, 4187 /* retries */ 1, 4188 /* cbfcnp */ cddone, 4189 /* tag_action */ MSG_SIMPLE_Q_TAG, 4190 /* lba */ address, 4191 /* layer_number */ dvdstruct->layer_num, 4192 /* key_format */ dvdstruct->format, 4193 /* agid */ dvdstruct->agid, 4194 /* data_ptr */ databuf, 4195 /* dxfer_len */ length, 4196 /* sense_len */ SSD_FULL_SIZE, 4197 /* timeout */ 50000); 4198 4199 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4200 /*sense_flags*/SF_RETRY_UA); 4201 4202 if (error != 0) 4203 goto bailout; 4204 4205 switch(dvdstruct->format) { 4206 case DVD_STRUCT_PHYSICAL: { 4207 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4208 struct dvd_layer *outlayer; 4209 struct scsi_read_dvd_struct_data_physical *phys_data; 4210 4211 phys_data = 4212 (struct scsi_read_dvd_struct_data_physical *)databuf; 4213 inlayer = &phys_data->layer_desc; 4214 outlayer = (struct dvd_layer *)&dvdstruct->data; 4215 4216 dvdstruct->length = sizeof(*inlayer); 4217 4218 outlayer->book_type = (inlayer->book_type_version & 4219 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4220 outlayer->book_version = (inlayer->book_type_version & 4221 RDSD_BOOK_VERSION_MASK); 4222 outlayer->disc_size = (inlayer->disc_size_max_rate & 4223 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4224 outlayer->max_rate = (inlayer->disc_size_max_rate & 4225 RDSD_MAX_RATE_MASK); 4226 outlayer->nlayers = (inlayer->layer_info & 4227 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4228 outlayer->track_path = (inlayer->layer_info & 4229 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4230 outlayer->layer_type = (inlayer->layer_info & 4231 RDSD_LAYER_TYPE_MASK); 4232 outlayer->linear_density = (inlayer->density & 4233 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4234 outlayer->track_density = (inlayer->density & 4235 RDSD_TRACK_DENSITY_MASK); 4236 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4237 RDSD_BCA_SHIFT; 4238 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4239 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4240 outlayer->end_sector_l0 = 4241 scsi_3btoul(inlayer->end_sector_layer0); 4242 break; 4243 } 4244 case DVD_STRUCT_COPYRIGHT: { 4245 struct scsi_read_dvd_struct_data_copyright *copy_data; 4246 4247 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4248 databuf; 4249 4250 dvdstruct->cpst = copy_data->cps_type; 4251 dvdstruct->rmi = copy_data->region_info; 4252 dvdstruct->length = 0; 4253 4254 break; 4255 } 4256 default: 4257 /* 4258 * Tell the user what the overall length is, no matter 4259 * what we can actually fit in the data buffer. 4260 */ 4261 dvdstruct->length = length - ccb->csio.resid - 4262 sizeof(struct scsi_read_dvd_struct_data_header); 4263 4264 /* 4265 * But only actually copy out the smaller of what we read 4266 * in or what the structure can take. 4267 */ 4268 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4269 dvdstruct->data, 4270 min(sizeof(dvdstruct->data), dvdstruct->length)); 4271 break; 4272 } 4273 bailout: 4274 4275 if (databuf != NULL) 4276 kfree(databuf, M_DEVBUF); 4277 4278 xpt_release_ccb(ccb); 4279 4280 return(error); 4281 } 4282 4283 void 4284 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4285 void (*cbfcnp)(struct cam_periph *, union ccb *), 4286 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4287 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4288 u_int8_t sense_len, u_int32_t timeout) 4289 { 4290 struct scsi_report_key *scsi_cmd; 4291 4292 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4293 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4294 scsi_cmd->opcode = REPORT_KEY; 4295 scsi_ulto4b(lba, scsi_cmd->lba); 4296 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4297 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4298 (key_format & RK_KF_KEYFORMAT_MASK); 4299 4300 cam_fill_csio(csio, 4301 retries, 4302 cbfcnp, 4303 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4304 tag_action, 4305 /*data_ptr*/ data_ptr, 4306 /*dxfer_len*/ dxfer_len, 4307 sense_len, 4308 sizeof(*scsi_cmd), 4309 timeout); 4310 } 4311 4312 void 4313 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4314 void (*cbfcnp)(struct cam_periph *, union ccb *), 4315 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4316 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4317 u_int32_t timeout) 4318 { 4319 struct scsi_send_key *scsi_cmd; 4320 4321 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4322 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4323 scsi_cmd->opcode = SEND_KEY; 4324 4325 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4326 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4327 (key_format & RK_KF_KEYFORMAT_MASK); 4328 4329 cam_fill_csio(csio, 4330 retries, 4331 cbfcnp, 4332 /*flags*/ CAM_DIR_OUT, 4333 tag_action, 4334 /*data_ptr*/ data_ptr, 4335 /*dxfer_len*/ dxfer_len, 4336 sense_len, 4337 sizeof(*scsi_cmd), 4338 timeout); 4339 } 4340 4341 4342 void 4343 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4344 void (*cbfcnp)(struct cam_periph *, union ccb *), 4345 u_int8_t tag_action, u_int32_t address, 4346 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4347 u_int8_t *data_ptr, u_int32_t dxfer_len, 4348 u_int8_t sense_len, u_int32_t timeout) 4349 { 4350 struct scsi_read_dvd_structure *scsi_cmd; 4351 4352 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4353 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4354 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4355 4356 scsi_ulto4b(address, scsi_cmd->address); 4357 scsi_cmd->layer_number = layer_number; 4358 scsi_cmd->format = format; 4359 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4360 /* The AGID is the top two bits of this byte */ 4361 scsi_cmd->agid = agid << 6; 4362 4363 cam_fill_csio(csio, 4364 retries, 4365 cbfcnp, 4366 /*flags*/ CAM_DIR_IN, 4367 tag_action, 4368 /*data_ptr*/ data_ptr, 4369 /*dxfer_len*/ dxfer_len, 4370 sense_len, 4371 sizeof(*scsi_cmd), 4372 timeout); 4373 } 4374