1 /* 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 2003 Kenneth D. Merry. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $ 28 * $DragonFly: src/sys/bus/cam/scsi/scsi_cd.c,v 1.33 2007/07/23 19:20:43 dillon Exp $ 29 */ 30 /* 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include "opt_cd.h" 51 52 #include <sys/param.h> 53 #include <sys/bootmaj.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/buf.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/dtype.h> 60 #include <sys/malloc.h> 61 #include <sys/cdio.h> 62 #include <sys/cdrio.h> 63 #include <sys/dvdio.h> 64 #include <sys/devicestat.h> 65 #include <sys/sysctl.h> 66 #include <sys/taskqueue.h> 67 #include <sys/proc.h> 68 #include <sys/buf2.h> 69 #include <sys/thread2.h> 70 71 #include "../cam.h" 72 #include "../cam_ccb.h" 73 #include "../cam_extend.h" 74 #include "../cam_periph.h" 75 #include "../cam_xpt_periph.h" 76 #include "../cam_queue.h" 77 78 #include "scsi_message.h" 79 #include "scsi_da.h" 80 #include "scsi_cd.h" 81 82 #define LEADOUT 0xaa /* leadout toc entry */ 83 84 struct cd_params { 85 u_int32_t blksize; 86 u_long disksize; 87 }; 88 89 typedef enum { 90 CD_Q_NONE = 0x00, 91 CD_Q_NO_TOUCH = 0x01, 92 CD_Q_BCD_TRACKS = 0x02, 93 CD_Q_NO_CHANGER = 0x04, 94 CD_Q_CHANGER = 0x08, 95 CD_Q_10_BYTE_ONLY = 0x10 96 } cd_quirks; 97 98 typedef enum { 99 CD_FLAG_INVALID = 0x0001, 100 CD_FLAG_NEW_DISC = 0x0002, 101 CD_FLAG_DISC_LOCKED = 0x0004, 102 CD_FLAG_DISC_REMOVABLE = 0x0008, 103 CD_FLAG_TAGGED_QUEUING = 0x0010, 104 CD_FLAG_CHANGER = 0x0040, 105 CD_FLAG_ACTIVE = 0x0080, 106 CD_FLAG_SCHED_ON_COMP = 0x0100, 107 CD_FLAG_RETRY_UA = 0x0200, 108 CD_FLAG_VALID_MEDIA = 0x0400, 109 CD_FLAG_VALID_TOC = 0x0800, 110 CD_FLAG_OPEN = 0x1000, 111 CD_FLAG_SCTX_INIT = 0x2000 112 } cd_flags; 113 114 typedef enum { 115 CD_CCB_PROBE = 0x01, 116 CD_CCB_BUFFER_IO = 0x02, 117 CD_CCB_WAITING = 0x03, 118 CD_CCB_TYPE_MASK = 0x0F, 119 CD_CCB_RETRY_UA = 0x10 120 } cd_ccb_state; 121 122 typedef enum { 123 CHANGER_TIMEOUT_SCHED = 0x01, 124 CHANGER_SHORT_TMOUT_SCHED = 0x02, 125 CHANGER_MANUAL_CALL = 0x04, 126 CHANGER_NEED_TIMEOUT = 0x08 127 } cd_changer_flags; 128 129 #define ccb_state ppriv_field0 130 #define ccb_bio ppriv_ptr1 131 132 struct cd_tocdata { 133 struct ioc_toc_header header; 134 struct cd_toc_entry entries[100]; 135 }; 136 137 struct cd_toc_single { 138 struct ioc_toc_header header; 139 struct cd_toc_entry entry; 140 }; 141 142 typedef enum { 143 CD_STATE_PROBE, 144 CD_STATE_NORMAL 145 } cd_state; 146 147 struct cd_softc { 148 cam_pinfo pinfo; 149 cd_state state; 150 volatile cd_flags flags; 151 struct bio_queue_head bio_queue; 152 LIST_HEAD(, ccb_hdr) pending_ccbs; 153 struct cd_params params; 154 struct disk disk; 155 union ccb saved_ccb; 156 cd_quirks quirks; 157 struct devstat device_stats; 158 STAILQ_ENTRY(cd_softc) changer_links; 159 struct cdchanger *changer; 160 int bufs_left; 161 struct cam_periph *periph; 162 int minimum_command_size; 163 struct task sysctl_task; 164 struct sysctl_ctx_list sysctl_ctx; 165 struct sysctl_oid *sysctl_tree; 166 STAILQ_HEAD(, cd_mode_params) mode_queue; 167 struct cd_tocdata toc; 168 }; 169 170 struct cd_page_sizes { 171 int page; 172 int page_size; 173 }; 174 175 static struct cd_page_sizes cd_page_size_table[] = 176 { 177 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 178 }; 179 180 struct cd_quirk_entry { 181 struct scsi_inquiry_pattern inq_pat; 182 cd_quirks quirks; 183 }; 184 185 /* 186 * The changer quirk entries aren't strictly necessary. Basically, what 187 * they do is tell cdregister() up front that a device is a changer. 188 * Otherwise, it will figure that fact out once it sees a LUN on the device 189 * that is greater than 0. If it is known up front that a device is a changer, 190 * all I/O to the device will go through the changer scheduling routines, as 191 * opposed to the "normal" CD code. 192 * 193 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 194 * your device hangs when it gets a 10 byte command. Adding a quirk just 195 * to get rid of the informative diagnostic message is not acceptable. All 196 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 197 * referenced in a comment along with the quirk) , and must be approved by 198 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 199 * be removed until the submitter can explain why they are needed. 200 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 201 * when the CAM_NEW_TRAN_CODE work is done. 202 */ 203 static struct cd_quirk_entry cd_quirk_table[] = 204 { 205 { 206 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 207 /*quirks*/ CD_Q_CHANGER 208 }, 209 { 210 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 211 "*"}, /* quirks */ CD_Q_CHANGER 212 }, 213 { 214 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 215 /* quirks */ CD_Q_CHANGER 216 }, 217 { 218 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 219 /* quirks */ CD_Q_BCD_TRACKS 220 } 221 }; 222 223 static d_open_t cdopen; 224 static d_close_t cdclose; 225 static d_ioctl_t cdioctl; 226 static d_strategy_t cdstrategy; 227 228 static periph_init_t cdinit; 229 static periph_ctor_t cdregister; 230 static periph_dtor_t cdcleanup; 231 static periph_start_t cdstart; 232 static periph_oninv_t cdoninvalidate; 233 static void cdasync(void *callback_arg, u_int32_t code, 234 struct cam_path *path, void *arg); 235 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 236 static void cdshorttimeout(void *arg); 237 static void cdschedule(struct cam_periph *periph, int priority); 238 static void cdrunchangerqueue(void *arg); 239 static void cdchangerschedule(struct cd_softc *softc); 240 static int cdrunccb(union ccb *ccb, 241 int (*error_routine)(union ccb *ccb, 242 u_int32_t cam_flags, 243 u_int32_t sense_flags), 244 u_int32_t cam_flags, u_int32_t sense_flags); 245 static union ccb *cdgetccb(struct cam_periph *periph, 246 u_int32_t priority); 247 static void cddone(struct cam_periph *periph, 248 union ccb *start_ccb); 249 static int cderror(union ccb *ccb, u_int32_t cam_flags, 250 u_int32_t sense_flags); 251 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 252 static int cdgetpagesize(int page_num); 253 static void cdprevent(struct cam_periph *periph, int action); 254 static int cdcheckmedia(struct cam_periph *periph); 255 static int cdsize(struct cam_periph *periph, u_int32_t *size); 256 static int cd6byteworkaround(union ccb *ccb); 257 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 258 u_int32_t start, u_int8_t *data, 259 u_int32_t len, u_int32_t sense_flags); 260 static int cdgetmode(struct cam_periph *periph, 261 struct cd_mode_params *data, u_int32_t page); 262 static int cdsetmode(struct cam_periph *periph, 263 struct cd_mode_params *data); 264 static int cdplay(struct cam_periph *periph, u_int32_t blk, 265 u_int32_t len); 266 static int cdreadsubchannel(struct cam_periph *periph, 267 u_int32_t mode, u_int32_t format, 268 int track, 269 struct cd_sub_channel_info *data, 270 u_int32_t len); 271 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 272 u_int32_t starts, u_int32_t startf, 273 u_int32_t endm, u_int32_t ends, 274 u_int32_t endf); 275 static int cdplaytracks(struct cam_periph *periph, 276 u_int32_t strack, u_int32_t sindex, 277 u_int32_t etrack, u_int32_t eindex); 278 static int cdpause(struct cam_periph *periph, u_int32_t go); 279 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 280 static int cdstartunit(struct cam_periph *periph, int load); 281 static int cdsetspeed(struct cam_periph *periph, 282 u_int32_t rdspeed, u_int32_t wrspeed); 283 static int cdreportkey(struct cam_periph *periph, 284 struct dvd_authinfo *authinfo); 285 static int cdsendkey(struct cam_periph *periph, 286 struct dvd_authinfo *authinfo); 287 static int cdreaddvdstructure(struct cam_periph *periph, 288 struct dvd_struct *dvdstruct); 289 290 static struct periph_driver cddriver = 291 { 292 cdinit, "cd", 293 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 294 }; 295 296 DATA_SET(periphdriver_set, cddriver); 297 298 /* For 2.2-stable support */ 299 #ifndef D_DISK 300 #define D_DISK 0 301 #endif 302 static struct dev_ops cd_ops = { 303 { "cd", SCSICD_CDEV_MAJOR, D_DISK }, 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 static int num_changers; 314 315 #ifndef CHANGER_MIN_BUSY_SECONDS 316 #define CHANGER_MIN_BUSY_SECONDS 5 317 #endif 318 #ifndef CHANGER_MAX_BUSY_SECONDS 319 #define CHANGER_MAX_BUSY_SECONDS 15 320 #endif 321 322 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 323 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 324 325 /* 326 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 327 * variables. 328 */ 329 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 330 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 331 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 332 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 333 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 334 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 335 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 336 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 337 338 struct cdchanger { 339 path_id_t path_id; 340 target_id_t target_id; 341 int num_devices; 342 struct camq devq; 343 struct timeval start_time; 344 struct cd_softc *cur_device; 345 struct callout short_handle; 346 struct callout long_handle; 347 volatile cd_changer_flags flags; 348 STAILQ_ENTRY(cdchanger) changer_links; 349 STAILQ_HEAD(chdevlist, cd_softc) chluns; 350 }; 351 352 static STAILQ_HEAD(changerlist, cdchanger) changerq; 353 354 void 355 cdinit(void) 356 { 357 cam_status status; 358 struct cam_path *path; 359 360 /* 361 * Create our extend array for storing the devices we attach to. 362 */ 363 cdperiphs = cam_extend_new(); 364 if (cdperiphs == NULL) { 365 kprintf("cd: Failed to alloc extend array!\n"); 366 return; 367 } 368 369 /* 370 * Install a global async callback. This callback will 371 * receive async callbacks like "new device found". 372 */ 373 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 374 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 375 376 if (status == CAM_REQ_CMP) { 377 struct ccb_setasync csa; 378 379 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 380 csa.ccb_h.func_code = XPT_SASYNC_CB; 381 csa.event_enable = AC_FOUND_DEVICE; 382 csa.callback = cdasync; 383 csa.callback_arg = NULL; 384 xpt_action((union ccb *)&csa); 385 status = csa.ccb_h.status; 386 xpt_free_path(path); 387 } 388 389 if (status != CAM_REQ_CMP) { 390 kprintf("cd: Failed to attach master async callback " 391 "due to status 0x%x!\n", status); 392 } 393 } 394 395 static void 396 cdoninvalidate(struct cam_periph *periph) 397 { 398 struct cd_softc *softc; 399 struct buf *q_bp; 400 struct bio *q_bio; 401 struct ccb_setasync csa; 402 403 softc = (struct cd_softc *)periph->softc; 404 405 /* 406 * De-register any async callbacks. 407 */ 408 xpt_setup_ccb(&csa.ccb_h, periph->path, 409 /* priority */ 5); 410 csa.ccb_h.func_code = XPT_SASYNC_CB; 411 csa.event_enable = 0; 412 csa.callback = cdasync; 413 csa.callback_arg = periph; 414 xpt_action((union ccb *)&csa); 415 416 softc->flags |= CD_FLAG_INVALID; 417 418 /* 419 * Although the oninvalidate() routines are always while in a 420 * critical section, we need to be in a critical section here to 421 * keep the buffer queue from being modified while we traverse it. 422 */ 423 crit_enter(); 424 425 /* 426 * Return all queued I/O with ENXIO. 427 * XXX Handle any transactions queued to the card 428 * with XPT_ABORT_CCB. 429 */ 430 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 431 bioq_remove(&softc->bio_queue, q_bio); 432 q_bp = q_bio->bio_buf; 433 q_bp->b_resid = q_bp->b_bcount; 434 q_bp->b_error = ENXIO; 435 q_bp->b_flags |= B_ERROR; 436 biodone(q_bio); 437 } 438 crit_exit(); 439 440 /* 441 * If this device is part of a changer, and it was scheduled 442 * to run, remove it from the run queue since we just nuked 443 * all of its scheduled I/O. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 447 camq_remove(&softc->changer->devq, softc->pinfo.index); 448 449 xpt_print_path(periph->path); 450 kprintf("lost device\n"); 451 } 452 453 static void 454 cdcleanup(struct cam_periph *periph) 455 { 456 struct cd_softc *softc; 457 458 softc = (struct cd_softc *)periph->softc; 459 460 xpt_print_path(periph->path); 461 kprintf("removing device entry\n"); 462 463 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 464 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 465 xpt_print_path(periph->path); 466 kprintf("can't remove sysctl context\n"); 467 } 468 469 crit_enter(); 470 /* 471 * In the queued, non-active case, the device in question 472 * has already been removed from the changer run queue. Since this 473 * device is active, we need to de-activate it, and schedule 474 * another device to run. (if there is another one to run) 475 */ 476 if ((softc->flags & CD_FLAG_CHANGER) 477 && (softc->flags & CD_FLAG_ACTIVE)) { 478 479 /* 480 * The purpose of the short timeout is soley to determine 481 * whether the current device has finished or not. Well, 482 * since we're removing the active device, we know that it 483 * is finished. So, get rid of the short timeout. 484 * Otherwise, if we're in the time period before the short 485 * timeout fires, and there are no other devices in the 486 * queue to run, there won't be any other device put in the 487 * active slot. i.e., when we call cdrunchangerqueue() 488 * below, it won't do anything. Then, when the short 489 * timeout fires, it'll look at the "current device", which 490 * we are free below, and possibly panic the kernel on a 491 * bogus pointer reference. 492 * 493 * The long timeout doesn't really matter, since we 494 * decrement the qfrozen_cnt to indicate that there is 495 * nothing in the active slot now. Therefore, there won't 496 * be any bogus pointer references there. 497 */ 498 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 499 callout_stop(&softc->changer->short_handle); 500 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 501 } 502 softc->changer->devq.qfrozen_cnt--; 503 softc->changer->flags |= CHANGER_MANUAL_CALL; 504 cdrunchangerqueue(softc->changer); 505 } 506 507 /* 508 * If we're removing the last device on the changer, go ahead and 509 * remove the changer device structure. 510 */ 511 if ((softc->flags & CD_FLAG_CHANGER) 512 && (--softc->changer->num_devices == 0)) { 513 514 /* 515 * Theoretically, there shouldn't be any timeouts left, but 516 * I'm not completely sure that that will be the case. So, 517 * it won't hurt to check and see if there are any left. 518 */ 519 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 520 callout_stop(&softc->changer->long_handle); 521 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 522 } 523 524 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 525 callout_stop(&softc->changer->short_handle); 526 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 527 } 528 529 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 530 changer_links); 531 xpt_print_path(periph->path); 532 kprintf("removing changer entry\n"); 533 kfree(softc->changer, M_DEVBUF); 534 num_changers--; 535 } 536 devstat_remove_entry(&softc->device_stats); 537 cam_extend_release(cdperiphs, periph->unit_number); 538 if (softc->disk.d_rawdev) { 539 disk_destroy(&softc->disk); 540 } 541 kfree(softc, M_DEVBUF); 542 crit_exit(); 543 } 544 545 static void 546 cdasync(void *callback_arg, u_int32_t code, 547 struct cam_path *path, void *arg) 548 { 549 struct cam_periph *periph; 550 551 periph = (struct cam_periph *)callback_arg; 552 switch (code) { 553 case AC_FOUND_DEVICE: 554 { 555 struct ccb_getdev *cgd; 556 cam_status status; 557 558 cgd = (struct ccb_getdev *)arg; 559 560 if (SID_TYPE(&cgd->inq_data) != T_CDROM 561 && SID_TYPE(&cgd->inq_data) != T_WORM) 562 break; 563 564 /* 565 * Allocate a peripheral instance for 566 * this device and start the probe 567 * process. 568 */ 569 status = cam_periph_alloc(cdregister, cdoninvalidate, 570 cdcleanup, cdstart, 571 "cd", CAM_PERIPH_BIO, 572 cgd->ccb_h.path, cdasync, 573 AC_FOUND_DEVICE, cgd); 574 575 if (status != CAM_REQ_CMP 576 && status != CAM_REQ_INPROG) 577 kprintf("cdasync: Unable to attach new device " 578 "due to status 0x%x\n", status); 579 580 break; 581 } 582 case AC_SENT_BDR: 583 case AC_BUS_RESET: 584 { 585 struct cd_softc *softc; 586 struct ccb_hdr *ccbh; 587 588 softc = (struct cd_softc *)periph->softc; 589 crit_enter(); 590 /* 591 * Don't fail on the expected unit attention 592 * that will occur. 593 */ 594 softc->flags |= CD_FLAG_RETRY_UA; 595 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 596 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 597 ccbh->ccb_state |= CD_CCB_RETRY_UA; 598 crit_exit(); 599 /* FALLTHROUGH */ 600 } 601 default: 602 cam_periph_async(periph, code, path, arg); 603 break; 604 } 605 } 606 607 static void 608 cdsysctlinit(void *context, int pending) 609 { 610 struct cam_periph *periph; 611 struct cd_softc *softc; 612 char tmpstr[80], tmpstr2[80]; 613 614 periph = (struct cam_periph *)context; 615 softc = (struct cd_softc *)periph->softc; 616 617 ksnprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 618 ksnprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 619 620 sysctl_ctx_init(&softc->sysctl_ctx); 621 softc->flags |= CD_FLAG_SCTX_INIT; 622 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 623 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 624 tmpstr2, CTLFLAG_RD, 0, tmpstr); 625 626 if (softc->sysctl_tree == NULL) { 627 kprintf("cdsysctlinit: unable to allocate sysctl tree\n"); 628 return; 629 } 630 631 /* 632 * Now register the sysctl handler, so the user can the value on 633 * the fly. 634 */ 635 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 636 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 637 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 638 "Minimum CDB size"); 639 } 640 641 /* 642 * We have a handler function for this so we can check the values when the 643 * user sets them, instead of every time we look at them. 644 */ 645 static int 646 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 647 { 648 int error, value; 649 650 value = *(int *)arg1; 651 652 error = sysctl_handle_int(oidp, &value, 0, req); 653 654 if ((error != 0) || (req->newptr == NULL)) 655 return (error); 656 657 /* 658 * The only real values we can have here are 6 or 10. I don't 659 * really forsee having 12 be an option at any time in the future. 660 * So if the user sets something less than or equal to 6, we'll set 661 * it to 6. If he sets something greater than 6, we'll set it to 10. 662 * 663 * I suppose we could just return an error here for the wrong values, 664 * but I don't think it's necessary to do so, as long as we can 665 * determine the user's intent without too much trouble. 666 */ 667 if (value < 6) 668 value = 6; 669 else if (value > 6) 670 value = 10; 671 672 *(int *)arg1 = value; 673 674 return (0); 675 } 676 677 678 static cam_status 679 cdregister(struct cam_periph *periph, void *arg) 680 { 681 struct cd_softc *softc; 682 struct ccb_setasync csa; 683 struct ccb_pathinq cpi; 684 struct ccb_getdev *cgd; 685 char tmpstr[80]; 686 caddr_t match; 687 688 cgd = (struct ccb_getdev *)arg; 689 if (periph == NULL) { 690 kprintf("cdregister: periph was NULL!!\n"); 691 return(CAM_REQ_CMP_ERR); 692 } 693 if (cgd == NULL) { 694 kprintf("cdregister: no getdev CCB, can't register device\n"); 695 return(CAM_REQ_CMP_ERR); 696 } 697 698 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 699 LIST_INIT(&softc->pending_ccbs); 700 STAILQ_INIT(&softc->mode_queue); 701 softc->state = CD_STATE_PROBE; 702 bioq_init(&softc->bio_queue); 703 if (SID_IS_REMOVABLE(&cgd->inq_data)) 704 softc->flags |= CD_FLAG_DISC_REMOVABLE; 705 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 706 softc->flags |= CD_FLAG_TAGGED_QUEUING; 707 708 periph->softc = softc; 709 softc->periph = periph; 710 711 cam_extend_set(cdperiphs, periph->unit_number, periph); 712 713 /* 714 * See if this device has any quirks. 715 */ 716 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 717 (caddr_t)cd_quirk_table, 718 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 719 sizeof(*cd_quirk_table), scsi_inquiry_match); 720 721 if (match != NULL) 722 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 723 else 724 softc->quirks = CD_Q_NONE; 725 726 /* Check if the SIM does not want 6 byte commands */ 727 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 728 cpi.ccb_h.func_code = XPT_PATH_INQ; 729 xpt_action((union ccb *)&cpi); 730 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 731 softc->quirks |= CD_Q_10_BYTE_ONLY; 732 733 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 734 735 /* The default is 6 byte commands, unless quirked otherwise */ 736 if (softc->quirks & CD_Q_10_BYTE_ONLY) 737 softc->minimum_command_size = 10; 738 else 739 softc->minimum_command_size = 6; 740 741 /* 742 * Load the user's default, if any. 743 */ 744 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 745 periph->unit_number); 746 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 747 748 /* 6 and 10 are the only permissible values here. */ 749 if (softc->minimum_command_size < 6) 750 softc->minimum_command_size = 6; 751 else if (softc->minimum_command_size > 6) 752 softc->minimum_command_size = 10; 753 754 /* 755 * We need to register the statistics structure for this device, 756 * but we don't have the blocksize yet for it. So, we register 757 * the structure and indicate that we don't have the blocksize 758 * yet. Unlike other SCSI peripheral drivers, we explicitly set 759 * the device type here to be CDROM, rather than just ORing in 760 * the device type. This is because this driver can attach to either 761 * CDROM or WORM devices, and we want this peripheral driver to 762 * show up in the devstat list as a CD peripheral driver, not a 763 * WORM peripheral driver. WORM drives will also have the WORM 764 * driver attached to them. 765 */ 766 devstat_add_entry(&softc->device_stats, "cd", 767 periph->unit_number, 0, 768 DEVSTAT_BS_UNAVAILABLE, 769 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 770 DEVSTAT_PRIORITY_CD); 771 disk_create(periph->unit_number, &softc->disk, &cd_ops); 772 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 773 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 774 DSO_COMPATPARTA; 775 776 /* 777 * Add an async callback so that we get 778 * notified if this device goes away. 779 */ 780 xpt_setup_ccb(&csa.ccb_h, periph->path, 781 /* priority */ 5); 782 csa.ccb_h.func_code = XPT_SASYNC_CB; 783 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 784 csa.callback = cdasync; 785 csa.callback_arg = periph; 786 xpt_action((union ccb *)&csa); 787 788 /* 789 * If the target lun is greater than 0, we most likely have a CD 790 * changer device. Check the quirk entries as well, though, just 791 * in case someone has a CD tower with one lun per drive or 792 * something like that. Also, if we know up front that a 793 * particular device is a changer, we can mark it as such starting 794 * with lun 0, instead of lun 1. It shouldn't be necessary to have 795 * a quirk entry to define something as a changer, however. 796 */ 797 if (((cgd->ccb_h.target_lun > 0) 798 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 799 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 800 struct cdchanger *nchanger; 801 struct cam_periph *nperiph; 802 struct cam_path *path; 803 cam_status status; 804 int found; 805 806 /* Set the changer flag in the current device's softc */ 807 softc->flags |= CD_FLAG_CHANGER; 808 809 if (num_changers == 0) 810 STAILQ_INIT(&changerq); 811 812 /* 813 * Now, look around for an existing changer device with the 814 * same path and target ID as the current device. 815 */ 816 for (found = 0, 817 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 818 nchanger != NULL; 819 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 820 if ((nchanger->path_id == cgd->ccb_h.path_id) 821 && (nchanger->target_id == cgd->ccb_h.target_id)) { 822 found = 1; 823 break; 824 } 825 } 826 827 /* 828 * If we found a matching entry, just add this device to 829 * the list of devices on this changer. 830 */ 831 if (found == 1) { 832 struct chdevlist *chlunhead; 833 834 chlunhead = &nchanger->chluns; 835 836 /* 837 * XXX KDM look at consolidating this code with the 838 * code below in a separate function. 839 */ 840 841 /* 842 * Create a path with lun id 0, and see if we can 843 * find a matching device 844 */ 845 status = xpt_create_path(&path, /*periph*/ periph, 846 cgd->ccb_h.path_id, 847 cgd->ccb_h.target_id, 0); 848 849 if ((status == CAM_REQ_CMP) 850 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 851 struct cd_softc *nsoftc; 852 853 nsoftc = (struct cd_softc *)nperiph->softc; 854 855 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 856 nsoftc->flags |= CD_FLAG_CHANGER; 857 nchanger->num_devices++; 858 if (camq_resize(&nchanger->devq, 859 nchanger->num_devices)!=CAM_REQ_CMP){ 860 kprintf("cdregister: " 861 "camq_resize " 862 "failed, changer " 863 "support may " 864 "be messed up\n"); 865 } 866 nsoftc->changer = nchanger; 867 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 868 869 STAILQ_INSERT_TAIL(&nchanger->chluns, 870 nsoftc,changer_links); 871 } 872 xpt_free_path(path); 873 } else if (status == CAM_REQ_CMP) 874 xpt_free_path(path); 875 else { 876 kprintf("cdregister: unable to allocate path\n" 877 "cdregister: changer support may be " 878 "broken\n"); 879 } 880 881 nchanger->num_devices++; 882 883 softc->changer = nchanger; 884 softc->pinfo.index = CAM_UNQUEUED_INDEX; 885 886 if (camq_resize(&nchanger->devq, 887 nchanger->num_devices) != CAM_REQ_CMP) { 888 kprintf("cdregister: camq_resize " 889 "failed, changer support may " 890 "be messed up\n"); 891 } 892 893 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 894 } 895 /* 896 * In this case, we don't already have an entry for this 897 * particular changer, so we need to create one, add it to 898 * the queue, and queue this device on the list for this 899 * changer. Before we queue this device, however, we need 900 * to search for lun id 0 on this target, and add it to the 901 * queue first, if it exists. (and if it hasn't already 902 * been marked as part of the changer.) 903 */ 904 else { 905 nchanger = kmalloc(sizeof(struct cdchanger), 906 M_DEVBUF, M_INTWAIT | M_ZERO); 907 callout_init(&nchanger->short_handle); 908 callout_init(&nchanger->long_handle); 909 if (camq_init(&nchanger->devq, 1) != 0) { 910 softc->flags &= ~CD_FLAG_CHANGER; 911 kprintf("cdregister: changer support " 912 "disabled\n"); 913 goto cdregisterexit; 914 } 915 916 num_changers++; 917 918 nchanger->path_id = cgd->ccb_h.path_id; 919 nchanger->target_id = cgd->ccb_h.target_id; 920 921 /* this is superfluous, but it makes things clearer */ 922 nchanger->num_devices = 0; 923 924 STAILQ_INIT(&nchanger->chluns); 925 926 STAILQ_INSERT_TAIL(&changerq, nchanger, 927 changer_links); 928 929 /* 930 * Create a path with lun id 0, and see if we can 931 * find a matching device 932 */ 933 status = xpt_create_path(&path, /*periph*/ periph, 934 cgd->ccb_h.path_id, 935 cgd->ccb_h.target_id, 0); 936 937 /* 938 * If we were able to allocate the path, and if we 939 * find a matching device and it isn't already 940 * marked as part of a changer, then we add it to 941 * the current changer. 942 */ 943 if ((status == CAM_REQ_CMP) 944 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 945 && ((((struct cd_softc *)periph->softc)->flags & 946 CD_FLAG_CHANGER) == 0)) { 947 struct cd_softc *nsoftc; 948 949 nsoftc = (struct cd_softc *)nperiph->softc; 950 951 nsoftc->flags |= CD_FLAG_CHANGER; 952 nchanger->num_devices++; 953 if (camq_resize(&nchanger->devq, 954 nchanger->num_devices) != CAM_REQ_CMP) { 955 kprintf("cdregister: camq_resize " 956 "failed, changer support may " 957 "be messed up\n"); 958 } 959 nsoftc->changer = nchanger; 960 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 961 962 STAILQ_INSERT_TAIL(&nchanger->chluns, 963 nsoftc, changer_links); 964 xpt_free_path(path); 965 } else if (status == CAM_REQ_CMP) 966 xpt_free_path(path); 967 else { 968 kprintf("cdregister: unable to allocate path\n" 969 "cdregister: changer support may be " 970 "broken\n"); 971 } 972 973 softc->changer = nchanger; 974 softc->pinfo.index = CAM_UNQUEUED_INDEX; 975 nchanger->num_devices++; 976 if (camq_resize(&nchanger->devq, 977 nchanger->num_devices) != CAM_REQ_CMP) { 978 kprintf("cdregister: camq_resize " 979 "failed, changer support may " 980 "be messed up\n"); 981 } 982 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 983 changer_links); 984 } 985 } 986 987 cdregisterexit: 988 989 /* Lock this peripheral until we are setup */ 990 /* Can't block */ 991 cam_periph_lock(periph, 0); 992 993 if ((softc->flags & CD_FLAG_CHANGER) == 0) 994 xpt_schedule(periph, /*priority*/5); 995 else 996 cdschedule(periph, /*priority*/ 5); 997 998 return(CAM_REQ_CMP); 999 } 1000 1001 static int 1002 cdopen(struct dev_open_args *ap) 1003 { 1004 cdev_t dev = ap->a_head.a_dev; 1005 struct cam_periph *periph; 1006 struct cd_softc *softc; 1007 int unit, error; 1008 1009 unit = dkunit(dev); 1010 periph = cam_extend_get(cdperiphs, unit); 1011 1012 if (periph == NULL) 1013 return (ENXIO); 1014 1015 softc = (struct cd_softc *)periph->softc; 1016 1017 /* 1018 * Grab a critical section and hold it until we lock the peripheral. 1019 */ 1020 crit_enter(); 1021 if (softc->flags & CD_FLAG_INVALID) { 1022 crit_exit(); 1023 return(ENXIO); 1024 } 1025 1026 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1027 crit_exit(); 1028 return (error); 1029 } 1030 1031 crit_exit(); 1032 1033 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1034 return(ENXIO); 1035 1036 /* 1037 * Check for media, and set the appropriate flags. We don't bail 1038 * if we don't have media, but then we don't allow anything but the 1039 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1040 * 1041 * XXX KDM for now, we do fail the open if we don't have media. We 1042 * can change this once we've figured out how to make the slice 1043 * code work well with media changing underneath it. 1044 */ 1045 error = cdcheckmedia(periph); 1046 1047 if (error == 0) 1048 softc->flags |= CD_FLAG_OPEN; 1049 1050 cam_periph_unlock(periph); 1051 1052 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1053 1054 return (error); 1055 } 1056 1057 static int 1058 cdclose(struct dev_close_args *ap) 1059 { 1060 cdev_t dev = ap->a_head.a_dev; 1061 struct cam_periph *periph; 1062 struct cd_softc *softc; 1063 struct disk_info *info; 1064 int unit, error; 1065 1066 unit = dkunit(dev); 1067 periph = cam_extend_get(cdperiphs, unit); 1068 if (periph == NULL) 1069 return (ENXIO); 1070 1071 softc = (struct cd_softc *)periph->softc; 1072 1073 if ((error = cam_periph_lock(periph, 0)) != 0) 1074 return (error); 1075 1076 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1077 cdprevent(periph, PR_ALLOW); 1078 1079 /* 1080 * Unconditionally set the dsopen() flags back to their default 1081 * state. 1082 */ 1083 info = &softc->disk.d_info; 1084 info->d_dsflags &= ~DSO_NOLABELS; 1085 info->d_dsflags |= DSO_COMPATLABEL; 1086 1087 /* 1088 * Since we're closing this CD, mark the blocksize as unavailable. 1089 * It will be marked as available when the CD is opened again. 1090 */ 1091 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1092 1093 /* 1094 * We'll check the media and toc again at the next open(). 1095 */ 1096 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1097 1098 softc->flags &= ~CD_FLAG_OPEN; 1099 1100 cam_periph_unlock(periph); 1101 cam_periph_release(periph); 1102 1103 return (0); 1104 } 1105 1106 static void 1107 cdshorttimeout(void *arg) 1108 { 1109 struct cdchanger *changer; 1110 1111 crit_enter(); 1112 1113 changer = (struct cdchanger *)arg; 1114 1115 /* Always clear the short timeout flag, since that's what we're in */ 1116 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1117 1118 /* 1119 * Check to see if there is any more pending or outstanding I/O for 1120 * this device. If not, move it out of the active slot. 1121 */ 1122 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1123 && (changer->cur_device->device_stats.busy_count == 0)) { 1124 changer->flags |= CHANGER_MANUAL_CALL; 1125 cdrunchangerqueue(changer); 1126 } 1127 crit_exit(); 1128 } 1129 1130 /* 1131 * This is a wrapper for xpt_schedule. It only applies to changers. 1132 */ 1133 static void 1134 cdschedule(struct cam_periph *periph, int priority) 1135 { 1136 struct cd_softc *softc; 1137 1138 crit_enter(); 1139 1140 softc = (struct cd_softc *)periph->softc; 1141 1142 /* 1143 * If this device isn't currently queued, and if it isn't 1144 * the active device, then we queue this device and run the 1145 * changer queue if there is no timeout scheduled to do it. 1146 * If this device is the active device, just schedule it 1147 * to run again. If this device is queued, there should be 1148 * a timeout in place already that will make sure it runs. 1149 */ 1150 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1151 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1152 /* 1153 * We don't do anything with the priority here. 1154 * This is strictly a fifo queue. 1155 */ 1156 softc->pinfo.priority = 1; 1157 softc->pinfo.generation = ++softc->changer->devq.generation; 1158 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1159 1160 /* 1161 * Since we just put a device in the changer queue, 1162 * check and see if there is a timeout scheduled for 1163 * this changer. If so, let the timeout handle 1164 * switching this device into the active slot. If 1165 * not, manually call the timeout routine to 1166 * bootstrap things. 1167 */ 1168 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1169 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1170 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1171 softc->changer->flags |= CHANGER_MANUAL_CALL; 1172 cdrunchangerqueue(softc->changer); 1173 } 1174 } else if ((softc->flags & CD_FLAG_ACTIVE) 1175 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1176 xpt_schedule(periph, priority); 1177 } 1178 crit_exit(); 1179 } 1180 1181 static void 1182 cdrunchangerqueue(void *arg) 1183 { 1184 struct cd_softc *softc; 1185 struct cdchanger *changer; 1186 int called_from_timeout; 1187 1188 crit_enter(); 1189 1190 changer = (struct cdchanger *)arg; 1191 1192 /* 1193 * If we have NOT been called from cdstrategy() or cddone(), and 1194 * instead from a timeout routine, go ahead and clear the 1195 * timeout flag. 1196 */ 1197 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1198 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1199 called_from_timeout = 1; 1200 } else 1201 called_from_timeout = 0; 1202 1203 /* Always clear the manual call flag */ 1204 changer->flags &= ~CHANGER_MANUAL_CALL; 1205 1206 /* nothing to do if the queue is empty */ 1207 if (changer->devq.entries <= 0) { 1208 crit_exit(); 1209 return; 1210 } 1211 1212 /* 1213 * If the changer queue is frozen, that means we have an active 1214 * device. 1215 */ 1216 if (changer->devq.qfrozen_cnt > 0) { 1217 1218 if (changer->cur_device->device_stats.busy_count > 0) { 1219 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1220 changer->cur_device->bufs_left = 1221 changer->cur_device->device_stats.busy_count; 1222 if (called_from_timeout) { 1223 callout_reset(&changer->long_handle, 1224 changer_max_busy_seconds * hz, 1225 cdrunchangerqueue, changer); 1226 changer->flags |= CHANGER_TIMEOUT_SCHED; 1227 } 1228 crit_exit(); 1229 return; 1230 } 1231 1232 /* 1233 * We always need to reset the frozen count and clear the 1234 * active flag. 1235 */ 1236 changer->devq.qfrozen_cnt--; 1237 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1238 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1239 1240 /* 1241 * Check to see whether the current device has any I/O left 1242 * to do. If so, requeue it at the end of the queue. If 1243 * not, there is no need to requeue it. 1244 */ 1245 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1246 1247 changer->cur_device->pinfo.generation = 1248 ++changer->devq.generation; 1249 camq_insert(&changer->devq, 1250 (cam_pinfo *)changer->cur_device); 1251 } 1252 } 1253 1254 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1255 1256 changer->cur_device = softc; 1257 1258 changer->devq.qfrozen_cnt++; 1259 softc->flags |= CD_FLAG_ACTIVE; 1260 1261 /* Just in case this device is waiting */ 1262 wakeup(&softc->changer); 1263 xpt_schedule(softc->periph, /*priority*/ 1); 1264 1265 /* 1266 * Get rid of any pending timeouts, and set a flag to schedule new 1267 * ones so this device gets its full time quantum. 1268 */ 1269 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1270 callout_stop(&changer->long_handle); 1271 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1272 } 1273 1274 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1275 callout_stop(&changer->short_handle); 1276 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1277 } 1278 1279 /* 1280 * We need to schedule timeouts, but we only do this after the 1281 * first transaction has completed. This eliminates the changer 1282 * switch time. 1283 */ 1284 changer->flags |= CHANGER_NEED_TIMEOUT; 1285 1286 crit_exit(); 1287 } 1288 1289 static void 1290 cdchangerschedule(struct cd_softc *softc) 1291 { 1292 struct cdchanger *changer; 1293 1294 crit_enter(); 1295 1296 changer = softc->changer; 1297 1298 /* 1299 * If this is a changer, and this is the current device, 1300 * and this device has at least the minimum time quantum to 1301 * run, see if we can switch it out. 1302 */ 1303 if ((softc->flags & CD_FLAG_ACTIVE) 1304 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1305 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1306 /* 1307 * We try three things here. The first is that we 1308 * check to see whether the schedule on completion 1309 * flag is set. If it is, we decrement the number 1310 * of buffers left, and if it's zero, we reschedule. 1311 * Next, we check to see whether the pending buffer 1312 * queue is empty and whether there are no 1313 * outstanding transactions. If so, we reschedule. 1314 * Next, we see if the pending buffer queue is empty. 1315 * If it is, we set the number of buffers left to 1316 * the current active buffer count and set the 1317 * schedule on complete flag. 1318 */ 1319 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1320 if (--softc->bufs_left == 0) { 1321 softc->changer->flags |= 1322 CHANGER_MANUAL_CALL; 1323 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1324 cdrunchangerqueue(softc->changer); 1325 } 1326 } else if ((bioq_first(&softc->bio_queue) == NULL) 1327 && (softc->device_stats.busy_count == 0)) { 1328 softc->changer->flags |= CHANGER_MANUAL_CALL; 1329 cdrunchangerqueue(softc->changer); 1330 } 1331 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1332 && (softc->flags & CD_FLAG_ACTIVE)) { 1333 1334 /* 1335 * Now that the first transaction to this 1336 * particular device has completed, we can go ahead 1337 * and schedule our timeouts. 1338 */ 1339 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1340 callout_reset(&changer->long_handle, 1341 changer_max_busy_seconds * hz, 1342 cdrunchangerqueue, changer); 1343 changer->flags |= CHANGER_TIMEOUT_SCHED; 1344 } else 1345 kprintf("cdchangerschedule: already have a long" 1346 " timeout!\n"); 1347 1348 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1349 callout_reset(&changer->short_handle, 1350 changer_min_busy_seconds * hz, 1351 cdshorttimeout, changer); 1352 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1353 } else 1354 kprintf("cdchangerschedule: already have a short " 1355 "timeout!\n"); 1356 1357 /* 1358 * We just scheduled timeouts, no need to schedule 1359 * more. 1360 */ 1361 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1362 1363 } 1364 crit_exit(); 1365 } 1366 1367 static int 1368 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1369 u_int32_t cam_flags, 1370 u_int32_t sense_flags), 1371 u_int32_t cam_flags, u_int32_t sense_flags) 1372 { 1373 struct cd_softc *softc; 1374 struct cam_periph *periph; 1375 int error; 1376 1377 periph = xpt_path_periph(ccb->ccb_h.path); 1378 softc = (struct cd_softc *)periph->softc; 1379 1380 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1381 &softc->device_stats); 1382 1383 if (softc->flags & CD_FLAG_CHANGER) 1384 cdchangerschedule(softc); 1385 1386 return(error); 1387 } 1388 1389 static union ccb * 1390 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1391 { 1392 struct cd_softc *softc; 1393 1394 softc = (struct cd_softc *)periph->softc; 1395 1396 if (softc->flags & CD_FLAG_CHANGER) { 1397 crit_enter(); 1398 1399 /* 1400 * This should work the first time this device is woken up, 1401 * but just in case it doesn't, we use a while loop. 1402 */ 1403 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1404 /* 1405 * If this changer isn't already queued, queue it up. 1406 */ 1407 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1408 softc->pinfo.priority = 1; 1409 softc->pinfo.generation = 1410 ++softc->changer->devq.generation; 1411 camq_insert(&softc->changer->devq, 1412 (cam_pinfo *)softc); 1413 } 1414 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1415 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1416 && ((softc->changer->flags 1417 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1418 softc->changer->flags |= CHANGER_MANUAL_CALL; 1419 cdrunchangerqueue(softc->changer); 1420 } else 1421 tsleep(&softc->changer, 0, "cgticb", 0); 1422 } 1423 crit_exit(); 1424 } 1425 return(cam_periph_getccb(periph, priority)); 1426 } 1427 1428 /* 1429 * Actually translate the requested transfer into one the physical driver 1430 * can understand. The transfer is described by a buf and will include 1431 * only one physical transfer. 1432 */ 1433 static int 1434 cdstrategy(struct dev_strategy_args *ap) 1435 { 1436 cdev_t dev = ap->a_head.a_dev; 1437 struct bio *bio = ap->a_bio; 1438 struct buf *bp = bio->bio_buf; 1439 struct cam_periph *periph; 1440 struct cd_softc *softc; 1441 u_int unit; 1442 1443 unit = dkunit(dev); 1444 periph = cam_extend_get(cdperiphs, unit); 1445 if (periph == NULL) { 1446 bp->b_error = ENXIO; 1447 goto bad; 1448 } 1449 1450 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1451 1452 softc = (struct cd_softc *)periph->softc; 1453 1454 /* 1455 * Mask interrupts so that the pack cannot be invalidated until 1456 * after we are in the queue. Otherwise, we might not properly 1457 * clean up one of the buffers. 1458 */ 1459 crit_enter(); 1460 1461 /* 1462 * If the device has been made invalid, error out 1463 */ 1464 if ((softc->flags & CD_FLAG_INVALID)) { 1465 crit_exit(); 1466 bp->b_error = ENXIO; 1467 goto bad; 1468 } 1469 1470 /* 1471 * If we don't have valid media, look for it before trying to 1472 * schedule the I/O. 1473 */ 1474 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1475 int error; 1476 1477 error = cdcheckmedia(periph); 1478 if (error != 0) { 1479 crit_exit(); 1480 bp->b_error = error; 1481 goto bad; 1482 } 1483 } 1484 1485 /* 1486 * Place it in the queue of disk activities for this disk 1487 */ 1488 bioqdisksort(&softc->bio_queue, bio); 1489 1490 crit_exit(); 1491 1492 /* 1493 * Schedule ourselves for performing the work. We do things 1494 * differently for changers. 1495 */ 1496 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1497 xpt_schedule(periph, /* XXX priority */1); 1498 else 1499 cdschedule(periph, /* priority */ 1); 1500 1501 return(0); 1502 bad: 1503 bp->b_flags |= B_ERROR; 1504 /* 1505 * Correctly set the buf to indicate a completed xfer 1506 */ 1507 bp->b_resid = bp->b_bcount; 1508 biodone(bio); 1509 return(0); 1510 } 1511 1512 static void 1513 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1514 { 1515 struct cd_softc *softc; 1516 struct bio *bio; 1517 struct buf *bp; 1518 struct ccb_scsiio *csio; 1519 struct scsi_read_capacity_data *rcap; 1520 1521 softc = (struct cd_softc *)periph->softc; 1522 1523 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1524 1525 switch (softc->state) { 1526 case CD_STATE_NORMAL: 1527 { 1528 crit_enter(); 1529 bio = bioq_first(&softc->bio_queue); 1530 if (periph->immediate_priority <= periph->pinfo.priority) { 1531 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1532 1533 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1534 periph_links.sle); 1535 periph->immediate_priority = CAM_PRIORITY_NONE; 1536 crit_exit(); 1537 wakeup(&periph->ccb_list); 1538 } else if (bio == NULL) { 1539 crit_exit(); 1540 xpt_release_ccb(start_ccb); 1541 } else { 1542 bp = bio->bio_buf; 1543 bioq_remove(&softc->bio_queue, bio); 1544 1545 devstat_start_transaction(&softc->device_stats); 1546 1547 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1548 1549 scsi_read_write(&start_ccb->csio, 1550 /*retries*/4, 1551 /* cbfcnp */ cddone, 1552 (bp->b_flags & B_ORDERED) != 0 ? 1553 MSG_ORDERED_Q_TAG : 1554 MSG_SIMPLE_Q_TAG, 1555 /* read */(bp->b_cmd == BUF_CMD_READ), 1556 /* byte2 */ 0, 1557 /* minimum_cmd_size */ 10, 1558 /* lba */ 1559 bio->bio_offset / softc->params.blksize, 1560 bp->b_bcount / softc->params.blksize, 1561 /* data_ptr */ bp->b_data, 1562 /* dxfer_len */ bp->b_bcount, 1563 /* sense_len */ SSD_FULL_SIZE, 1564 /* timeout */ 30000); 1565 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1566 1567 1568 /* 1569 * Block out any asyncronous callbacks 1570 * while we touch the pending ccb list. 1571 */ 1572 LIST_INSERT_HEAD(&softc->pending_ccbs, 1573 &start_ccb->ccb_h, periph_links.le); 1574 1575 /* We expect a unit attention from this device */ 1576 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1577 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1578 softc->flags &= ~CD_FLAG_RETRY_UA; 1579 } 1580 1581 start_ccb->ccb_h.ccb_bio = bio; 1582 bio = bioq_first(&softc->bio_queue); 1583 crit_exit(); 1584 1585 xpt_action(start_ccb); 1586 } 1587 if (bio != NULL) { 1588 /* Have more work to do, so ensure we stay scheduled */ 1589 xpt_schedule(periph, /* XXX priority */1); 1590 } 1591 break; 1592 } 1593 case CD_STATE_PROBE: 1594 { 1595 1596 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1597 csio = &start_ccb->csio; 1598 scsi_read_capacity(csio, 1599 /*retries*/1, 1600 cddone, 1601 MSG_SIMPLE_Q_TAG, 1602 rcap, 1603 SSD_FULL_SIZE, 1604 /*timeout*/20000); 1605 start_ccb->ccb_h.ccb_bio = NULL; 1606 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1607 xpt_action(start_ccb); 1608 break; 1609 } 1610 } 1611 } 1612 1613 static void 1614 cddone(struct cam_periph *periph, union ccb *done_ccb) 1615 { 1616 struct cd_softc *softc; 1617 struct ccb_scsiio *csio; 1618 1619 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1620 1621 softc = (struct cd_softc *)periph->softc; 1622 csio = &done_ccb->csio; 1623 1624 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1625 case CD_CCB_BUFFER_IO: 1626 { 1627 struct buf *bp; 1628 struct bio *bio; 1629 int error; 1630 1631 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1632 bp = bio->bio_buf; 1633 error = 0; 1634 1635 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1636 int sf; 1637 1638 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1639 sf = SF_RETRY_UA; 1640 else 1641 sf = 0; 1642 1643 /* Retry selection timeouts */ 1644 sf |= SF_RETRY_SELTO; 1645 1646 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1647 /* 1648 * A retry was scheuled, so 1649 * just return. 1650 */ 1651 return; 1652 } 1653 } 1654 1655 if (error != 0) { 1656 struct bio *q_bio; 1657 struct buf *q_bp; 1658 1659 xpt_print_path(periph->path); 1660 kprintf("cddone: got error %#x back\n", error); 1661 crit_enter(); 1662 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1663 bioq_remove(&softc->bio_queue, q_bio); 1664 q_bp = q_bio->bio_buf; 1665 q_bp->b_resid = q_bp->b_bcount; 1666 q_bp->b_error = EIO; 1667 q_bp->b_flags |= B_ERROR; 1668 biodone(q_bio); 1669 } 1670 crit_exit(); 1671 bp->b_resid = bp->b_bcount; 1672 bp->b_error = error; 1673 bp->b_flags |= B_ERROR; 1674 cam_release_devq(done_ccb->ccb_h.path, 1675 /*relsim_flags*/0, 1676 /*reduction*/0, 1677 /*timeout*/0, 1678 /*getcount_only*/0); 1679 1680 } else { 1681 bp->b_resid = csio->resid; 1682 bp->b_error = 0; 1683 if (bp->b_resid != 0) { 1684 /* Short transfer ??? */ 1685 bp->b_flags |= B_ERROR; 1686 } 1687 } 1688 1689 /* 1690 * Block out any asyncronous callbacks 1691 * while we touch the pending ccb list. 1692 */ 1693 crit_enter(); 1694 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1695 crit_exit(); 1696 1697 if (softc->flags & CD_FLAG_CHANGER) 1698 cdchangerschedule(softc); 1699 1700 devstat_end_transaction_buf(&softc->device_stats, bp); 1701 biodone(bio); 1702 break; 1703 } 1704 case CD_CCB_PROBE: 1705 { 1706 struct scsi_read_capacity_data *rdcap; 1707 char announce_buf[120]; /* 1708 * Currently (9/30/97) the 1709 * longest possible announce 1710 * buffer is 108 bytes, for the 1711 * first error case below. 1712 * That is 39 bytes for the 1713 * basic string, 16 bytes for the 1714 * biggest sense key (hardware 1715 * error), 52 bytes for the 1716 * text of the largest sense 1717 * qualifier valid for a CDROM, 1718 * (0x72, 0x03 or 0x04, 1719 * 0x03), and one byte for the 1720 * null terminating character. 1721 * To allow for longer strings, 1722 * the announce buffer is 120 1723 * bytes. 1724 */ 1725 struct cd_params *cdp; 1726 1727 cdp = &softc->params; 1728 1729 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1730 1731 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1732 cdp->blksize = scsi_4btoul (rdcap->length); 1733 1734 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1735 1736 ksnprintf(announce_buf, sizeof(announce_buf), 1737 "cd present [%lu x %lu byte records]", 1738 cdp->disksize, (u_long)cdp->blksize); 1739 1740 } else { 1741 int error; 1742 /* 1743 * Retry any UNIT ATTENTION type errors. They 1744 * are expected at boot. 1745 */ 1746 error = cderror(done_ccb, 0, SF_RETRY_UA | 1747 SF_NO_PRINT | SF_RETRY_SELTO); 1748 if (error == ERESTART) { 1749 /* 1750 * A retry was scheuled, so 1751 * just return. 1752 */ 1753 return; 1754 } else if (error != 0) { 1755 1756 struct scsi_sense_data *sense; 1757 int asc, ascq; 1758 int sense_key, error_code; 1759 int have_sense; 1760 cam_status status; 1761 struct ccb_getdev cgd; 1762 1763 /* Don't wedge this device's queue */ 1764 cam_release_devq(done_ccb->ccb_h.path, 1765 /*relsim_flags*/0, 1766 /*reduction*/0, 1767 /*timeout*/0, 1768 /*getcount_only*/0); 1769 1770 status = done_ccb->ccb_h.status; 1771 1772 xpt_setup_ccb(&cgd.ccb_h, 1773 done_ccb->ccb_h.path, 1774 /* priority */ 1); 1775 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1776 xpt_action((union ccb *)&cgd); 1777 1778 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1779 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1780 || ((status & CAM_AUTOSNS_VALID) == 0)) 1781 have_sense = FALSE; 1782 else 1783 have_sense = TRUE; 1784 1785 if (have_sense) { 1786 sense = &csio->sense_data; 1787 scsi_extract_sense(sense, &error_code, 1788 &sense_key, 1789 &asc, &ascq); 1790 } 1791 /* 1792 * Attach to anything that claims to be a 1793 * CDROM or WORM device, as long as it 1794 * doesn't return a "Logical unit not 1795 * supported" (0x25) error. 1796 */ 1797 if ((have_sense) && (asc != 0x25) 1798 && (error_code == SSD_CURRENT_ERROR)) 1799 ksnprintf(announce_buf, 1800 sizeof(announce_buf), 1801 "Attempt to query device " 1802 "size failed: %s, %s", 1803 scsi_sense_key_text[sense_key], 1804 scsi_sense_desc(asc,ascq, 1805 &cgd.inq_data)); 1806 else if ((have_sense == 0) 1807 && ((status & CAM_STATUS_MASK) == 1808 CAM_SCSI_STATUS_ERROR) 1809 && (csio->scsi_status == 1810 SCSI_STATUS_BUSY)) { 1811 ksnprintf(announce_buf, 1812 sizeof(announce_buf), 1813 "Attempt to query device " 1814 "size failed: SCSI status: BUSY"); 1815 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1816 /* 1817 * We only print out an error for 1818 * CDROM type devices. For WORM 1819 * devices, we don't print out an 1820 * error since a few WORM devices 1821 * don't support CDROM commands. 1822 * If we have sense information, go 1823 * ahead and print it out. 1824 * Otherwise, just say that we 1825 * couldn't attach. 1826 */ 1827 1828 /* 1829 * Just print out the error, not 1830 * the full probe message, when we 1831 * don't attach. 1832 */ 1833 if (have_sense) 1834 scsi_sense_print( 1835 &done_ccb->csio); 1836 else { 1837 xpt_print_path(periph->path); 1838 kprintf("got CAM status %#x\n", 1839 done_ccb->ccb_h.status); 1840 } 1841 xpt_print_path(periph->path); 1842 kprintf("fatal error, failed" 1843 " to attach to device\n"); 1844 1845 /* 1846 * Invalidate this peripheral. 1847 */ 1848 cam_periph_invalidate(periph); 1849 1850 announce_buf[0] = '\0'; 1851 } else { 1852 1853 /* 1854 * Invalidate this peripheral. 1855 */ 1856 cam_periph_invalidate(periph); 1857 announce_buf[0] = '\0'; 1858 } 1859 } 1860 } 1861 kfree(rdcap, M_TEMP); 1862 if (announce_buf[0] != '\0') { 1863 xpt_announce_periph(periph, announce_buf); 1864 if (softc->flags & CD_FLAG_CHANGER) 1865 cdchangerschedule(softc); 1866 /* 1867 * Create our sysctl variables, now that we know 1868 * we have successfully attached. 1869 */ 1870 taskqueue_enqueue(taskqueue_thread[mycpuid], 1871 &softc->sysctl_task); 1872 } 1873 softc->state = CD_STATE_NORMAL; 1874 /* 1875 * Since our peripheral may be invalidated by an error 1876 * above or an external event, we must release our CCB 1877 * before releasing the probe lock on the peripheral. 1878 * The peripheral will only go away once the last lock 1879 * is removed, and we need it around for the CCB release 1880 * operation. 1881 */ 1882 xpt_release_ccb(done_ccb); 1883 cam_periph_unlock(periph); 1884 return; 1885 } 1886 case CD_CCB_WAITING: 1887 { 1888 /* Caller will release the CCB */ 1889 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1890 ("trying to wakeup ccbwait\n")); 1891 1892 wakeup(&done_ccb->ccb_h.cbfcnp); 1893 return; 1894 } 1895 default: 1896 break; 1897 } 1898 xpt_release_ccb(done_ccb); 1899 } 1900 1901 static union cd_pages * 1902 cdgetpage(struct cd_mode_params *mode_params) 1903 { 1904 union cd_pages *page; 1905 1906 if (mode_params->cdb_size == 10) 1907 page = (union cd_pages *)find_mode_page_10( 1908 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1909 else 1910 page = (union cd_pages *)find_mode_page_6( 1911 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1912 1913 return (page); 1914 } 1915 1916 static int 1917 cdgetpagesize(int page_num) 1918 { 1919 int i; 1920 1921 for (i = 0; i < (sizeof(cd_page_size_table)/ 1922 sizeof(cd_page_size_table[0])); i++) { 1923 if (cd_page_size_table[i].page == page_num) 1924 return (cd_page_size_table[i].page_size); 1925 } 1926 return (-1); 1927 } 1928 1929 static int 1930 cdioctl(struct dev_ioctl_args *ap) 1931 { 1932 cdev_t dev = ap->a_head.a_dev; 1933 caddr_t addr = ap->a_data; 1934 struct cam_periph *periph; 1935 struct cd_softc *softc; 1936 int error, unit; 1937 1938 unit = dkunit(dev); 1939 1940 periph = cam_extend_get(cdperiphs, unit); 1941 if (periph == NULL) 1942 return(ENXIO); 1943 1944 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1945 1946 softc = (struct cd_softc *)periph->softc; 1947 1948 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1949 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1950 1951 error = cam_periph_lock(periph, PCATCH); 1952 1953 if (error != 0) 1954 return(error); 1955 1956 /* 1957 * If we don't have media loaded, check for it. If still don't 1958 * have media loaded, we can only do a load or eject. 1959 */ 1960 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1961 && ((ap->a_cmd != CDIOCCLOSE) 1962 && (ap->a_cmd != CDIOCEJECT))) { 1963 error = cdcheckmedia(periph); 1964 if (error != 0) { 1965 cam_periph_unlock(periph); 1966 return (error); 1967 } 1968 } 1969 1970 switch (ap->a_cmd) { 1971 1972 case CDIOCPLAYTRACKS: 1973 { 1974 struct ioc_play_track *args 1975 = (struct ioc_play_track *)addr; 1976 struct cd_mode_params params; 1977 union cd_pages *page; 1978 1979 params.alloc_len = sizeof(union cd_mode_data_6_10); 1980 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 1981 M_WAITOK | M_ZERO); 1982 1983 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1984 ("trying to do CDIOCPLAYTRACKS\n")); 1985 1986 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1987 if (error) { 1988 kfree(params.mode_buf, M_TEMP); 1989 break; 1990 } 1991 page = cdgetpage(¶ms); 1992 1993 page->audio.flags &= ~CD_PA_SOTC; 1994 page->audio.flags |= CD_PA_IMMED; 1995 error = cdsetmode(periph, ¶ms); 1996 kfree(params.mode_buf, M_TEMP); 1997 if (error) 1998 break; 1999 2000 /* 2001 * This was originally implemented with the PLAY 2002 * AUDIO TRACK INDEX command, but that command was 2003 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2004 * drives support it but ATAPI and ATAPI-derivative 2005 * drives don't seem to support it. So we keep a 2006 * cache of the table of contents and translate 2007 * track numbers to MSF format. 2008 */ 2009 if (softc->flags & CD_FLAG_VALID_TOC) { 2010 union msf_lba *sentry, *eentry; 2011 int st, et; 2012 2013 if (args->end_track < 2014 softc->toc.header.ending_track + 1) 2015 args->end_track++; 2016 if (args->end_track > 2017 softc->toc.header.ending_track + 1) 2018 args->end_track = 2019 softc->toc.header.ending_track + 1; 2020 st = args->start_track - 2021 softc->toc.header.starting_track; 2022 et = args->end_track - 2023 softc->toc.header.starting_track; 2024 if ((st < 0) 2025 || (et < 0) 2026 || (st > (softc->toc.header.ending_track - 2027 softc->toc.header.starting_track))) { 2028 error = EINVAL; 2029 break; 2030 } 2031 sentry = &softc->toc.entries[st].addr; 2032 eentry = &softc->toc.entries[et].addr; 2033 error = cdplaymsf(periph, 2034 sentry->msf.minute, 2035 sentry->msf.second, 2036 sentry->msf.frame, 2037 eentry->msf.minute, 2038 eentry->msf.second, 2039 eentry->msf.frame); 2040 } else { 2041 /* 2042 * If we don't have a valid TOC, try the 2043 * play track index command. It is part of 2044 * the SCSI-2 spec, but was removed in the 2045 * MMC specs. ATAPI and ATAPI-derived 2046 * drives don't support it. 2047 */ 2048 if (softc->quirks & CD_Q_BCD_TRACKS) { 2049 args->start_track = 2050 bin2bcd(args->start_track); 2051 args->end_track = 2052 bin2bcd(args->end_track); 2053 } 2054 error = cdplaytracks(periph, 2055 args->start_track, 2056 args->start_index, 2057 args->end_track, 2058 args->end_index); 2059 } 2060 } 2061 break; 2062 case CDIOCPLAYMSF: 2063 { 2064 struct ioc_play_msf *args 2065 = (struct ioc_play_msf *) addr; 2066 struct cd_mode_params params; 2067 union cd_pages *page; 2068 2069 params.alloc_len = sizeof(union cd_mode_data_6_10); 2070 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2071 M_WAITOK | M_ZERO); 2072 2073 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2074 ("trying to do CDIOCPLAYMSF\n")); 2075 2076 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2077 if (error) { 2078 kfree(params.mode_buf, M_TEMP); 2079 break; 2080 } 2081 page = cdgetpage(¶ms); 2082 2083 page->audio.flags &= ~CD_PA_SOTC; 2084 page->audio.flags |= CD_PA_IMMED; 2085 error = cdsetmode(periph, ¶ms); 2086 kfree(params.mode_buf, M_TEMP); 2087 if (error) 2088 break; 2089 error = cdplaymsf(periph, 2090 args->start_m, 2091 args->start_s, 2092 args->start_f, 2093 args->end_m, 2094 args->end_s, 2095 args->end_f); 2096 } 2097 break; 2098 case CDIOCPLAYBLOCKS: 2099 { 2100 struct ioc_play_blocks *args 2101 = (struct ioc_play_blocks *) addr; 2102 struct cd_mode_params params; 2103 union cd_pages *page; 2104 2105 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2106 ("trying to do CDIOCPLAYBLOCKS\n")); 2107 2108 params.alloc_len = sizeof(union cd_mode_data_6_10); 2109 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2110 M_WAITOK | M_ZERO); 2111 2112 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2113 if (error) { 2114 kfree(params.mode_buf, M_TEMP); 2115 break; 2116 } 2117 page = cdgetpage(¶ms); 2118 2119 page->audio.flags &= ~CD_PA_SOTC; 2120 page->audio.flags |= CD_PA_IMMED; 2121 error = cdsetmode(periph, ¶ms); 2122 kfree(params.mode_buf, M_TEMP); 2123 if (error) 2124 break; 2125 error = cdplay(periph, args->blk, args->len); 2126 } 2127 break; 2128 case CDIOCREADSUBCHANNEL: 2129 { 2130 struct ioc_read_subchannel *args 2131 = (struct ioc_read_subchannel *) addr; 2132 struct cd_sub_channel_info *data; 2133 u_int32_t len = args->data_len; 2134 2135 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2136 ("trying to do CDIOCREADSUBCHANNEL\n")); 2137 2138 data = kmalloc(sizeof(struct cd_sub_channel_info), 2139 M_TEMP, M_WAITOK); 2140 2141 if ((len > sizeof(struct cd_sub_channel_info)) || 2142 (len < sizeof(struct cd_sub_channel_header))) { 2143 kprintf( 2144 "scsi_cd: cdioctl: " 2145 "cdioreadsubchannel: error, len=%d\n", 2146 len); 2147 error = EINVAL; 2148 kfree(data, M_TEMP); 2149 break; 2150 } 2151 2152 if (softc->quirks & CD_Q_BCD_TRACKS) 2153 args->track = bin2bcd(args->track); 2154 2155 error = cdreadsubchannel(periph, args->address_format, 2156 args->data_format, args->track, data, len); 2157 2158 if (error) { 2159 kfree(data, M_TEMP); 2160 break; 2161 } 2162 if (softc->quirks & CD_Q_BCD_TRACKS) 2163 data->what.track_info.track_number = 2164 bcd2bin(data->what.track_info.track_number); 2165 len = min(len, ((data->header.data_len[0] << 8) + 2166 data->header.data_len[1] + 2167 sizeof(struct cd_sub_channel_header))); 2168 if (copyout(data, args->data, len) != 0) { 2169 error = EFAULT; 2170 } 2171 kfree(data, M_TEMP); 2172 } 2173 break; 2174 2175 case CDIOREADTOCHEADER: 2176 { 2177 struct ioc_toc_header *th; 2178 2179 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2180 ("trying to do CDIOREADTOCHEADER\n")); 2181 2182 th = kmalloc(sizeof(struct ioc_toc_header), M_TEMP, 2183 M_WAITOK); 2184 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2185 sizeof (*th), /*sense_flags*/0); 2186 if (error) { 2187 kfree(th, M_TEMP); 2188 break; 2189 } 2190 if (softc->quirks & CD_Q_BCD_TRACKS) { 2191 /* we are going to have to convert the BCD 2192 * encoding on the cd to what is expected 2193 */ 2194 th->starting_track = 2195 bcd2bin(th->starting_track); 2196 th->ending_track = bcd2bin(th->ending_track); 2197 } 2198 th->len = ntohs(th->len); 2199 bcopy(th, addr, sizeof(*th)); 2200 kfree(th, M_TEMP); 2201 } 2202 break; 2203 case CDIOREADTOCENTRYS: 2204 { 2205 struct cd_tocdata *data; 2206 struct cd_toc_single *lead; 2207 struct ioc_read_toc_entry *te = 2208 (struct ioc_read_toc_entry *) addr; 2209 struct ioc_toc_header *th; 2210 u_int32_t len, readlen, idx, num; 2211 u_int32_t starting_track = te->starting_track; 2212 2213 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2214 ("trying to do CDIOREADTOCENTRYS\n")); 2215 2216 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2217 lead = kmalloc(sizeof(*lead), M_TEMP, M_WAITOK); 2218 2219 if (te->data_len < sizeof(struct cd_toc_entry) 2220 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2221 || (te->address_format != CD_MSF_FORMAT 2222 && te->address_format != CD_LBA_FORMAT)) { 2223 error = EINVAL; 2224 kprintf("scsi_cd: error in readtocentries, " 2225 "returning EINVAL\n"); 2226 kfree(data, M_TEMP); 2227 kfree(lead, M_TEMP); 2228 break; 2229 } 2230 2231 th = &data->header; 2232 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2233 sizeof (*th), /*sense_flags*/0); 2234 if (error) { 2235 kfree(data, M_TEMP); 2236 kfree(lead, M_TEMP); 2237 break; 2238 } 2239 2240 if (softc->quirks & CD_Q_BCD_TRACKS) { 2241 /* we are going to have to convert the BCD 2242 * encoding on the cd to what is expected 2243 */ 2244 th->starting_track = 2245 bcd2bin(th->starting_track); 2246 th->ending_track = bcd2bin(th->ending_track); 2247 } 2248 2249 if (starting_track == 0) 2250 starting_track = th->starting_track; 2251 else if (starting_track == LEADOUT) 2252 starting_track = th->ending_track + 1; 2253 else if (starting_track < th->starting_track || 2254 starting_track > th->ending_track + 1) { 2255 kprintf("scsi_cd: error in readtocentries, " 2256 "returning EINVAL\n"); 2257 kfree(data, M_TEMP); 2258 kfree(lead, M_TEMP); 2259 error = EINVAL; 2260 break; 2261 } 2262 2263 /* calculate reading length without leadout entry */ 2264 readlen = (th->ending_track - starting_track + 1) * 2265 sizeof(struct cd_toc_entry); 2266 2267 /* and with leadout entry */ 2268 len = readlen + sizeof(struct cd_toc_entry); 2269 if (te->data_len < len) { 2270 len = te->data_len; 2271 if (readlen > len) 2272 readlen = len; 2273 } 2274 if (len > sizeof(data->entries)) { 2275 kprintf("scsi_cd: error in readtocentries, " 2276 "returning EINVAL\n"); 2277 error = EINVAL; 2278 kfree(data, M_TEMP); 2279 kfree(lead, M_TEMP); 2280 break; 2281 } 2282 num = len / sizeof(struct cd_toc_entry); 2283 2284 if (readlen > 0) { 2285 error = cdreadtoc(periph, te->address_format, 2286 starting_track, 2287 (u_int8_t *)data, 2288 readlen + sizeof (*th), 2289 /*sense_flags*/0); 2290 if (error) { 2291 kfree(data, M_TEMP); 2292 kfree(lead, M_TEMP); 2293 break; 2294 } 2295 } 2296 2297 /* make leadout entry if needed */ 2298 idx = starting_track + num - 1; 2299 if (softc->quirks & CD_Q_BCD_TRACKS) 2300 th->ending_track = bcd2bin(th->ending_track); 2301 if (idx == th->ending_track + 1) { 2302 error = cdreadtoc(periph, te->address_format, 2303 LEADOUT, (u_int8_t *)lead, 2304 sizeof(*lead), 2305 /*sense_flags*/0); 2306 if (error) { 2307 kfree(data, M_TEMP); 2308 kfree(lead, M_TEMP); 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 error = copyout(data->entries, te->data, len); 2322 kfree(data, M_TEMP); 2323 kfree(lead, M_TEMP); 2324 } 2325 break; 2326 case CDIOREADTOCENTRY: 2327 { 2328 struct cd_toc_single *data; 2329 struct ioc_read_toc_single_entry *te = 2330 (struct ioc_read_toc_single_entry *) addr; 2331 struct ioc_toc_header *th; 2332 u_int32_t track; 2333 2334 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2335 ("trying to do CDIOREADTOCENTRY\n")); 2336 2337 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2338 2339 if (te->address_format != CD_MSF_FORMAT 2340 && te->address_format != CD_LBA_FORMAT) { 2341 kprintf("error in readtocentry, " 2342 " returning EINVAL\n"); 2343 kfree(data, M_TEMP); 2344 error = EINVAL; 2345 break; 2346 } 2347 2348 th = &data->header; 2349 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2350 sizeof (*th), /*sense_flags*/0); 2351 if (error) { 2352 kfree(data, M_TEMP); 2353 break; 2354 } 2355 2356 if (softc->quirks & CD_Q_BCD_TRACKS) { 2357 /* we are going to have to convert the BCD 2358 * encoding on the cd to what is expected 2359 */ 2360 th->starting_track = 2361 bcd2bin(th->starting_track); 2362 th->ending_track = bcd2bin(th->ending_track); 2363 } 2364 track = te->track; 2365 if (track == 0) 2366 track = th->starting_track; 2367 else if (track == LEADOUT) 2368 /* OK */; 2369 else if (track < th->starting_track || 2370 track > th->ending_track + 1) { 2371 kprintf("error in readtocentry, " 2372 " returning EINVAL\n"); 2373 kfree(data, M_TEMP); 2374 error = EINVAL; 2375 break; 2376 } 2377 2378 error = cdreadtoc(periph, te->address_format, track, 2379 (u_int8_t *)data, sizeof(*data), 2380 /*sense_flags*/0); 2381 if (error) { 2382 kfree(data, M_TEMP); 2383 break; 2384 } 2385 2386 if (softc->quirks & CD_Q_BCD_TRACKS) 2387 data->entry.track = bcd2bin(data->entry.track); 2388 bcopy(&data->entry, &te->entry, 2389 sizeof(struct cd_toc_entry)); 2390 kfree(data, M_TEMP); 2391 } 2392 break; 2393 case CDIOCSETPATCH: 2394 { 2395 struct ioc_patch *arg = (struct ioc_patch *)addr; 2396 struct cd_mode_params params; 2397 union cd_pages *page; 2398 2399 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2400 ("trying to do CDIOCSETPATCH\n")); 2401 2402 params.alloc_len = sizeof(union cd_mode_data_6_10); 2403 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2404 M_WAITOK | M_ZERO); 2405 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2406 if (error) { 2407 kfree(params.mode_buf, M_TEMP); 2408 break; 2409 } 2410 page = cdgetpage(¶ms); 2411 2412 page->audio.port[LEFT_PORT].channels = 2413 arg->patch[0]; 2414 page->audio.port[RIGHT_PORT].channels = 2415 arg->patch[1]; 2416 page->audio.port[2].channels = arg->patch[2]; 2417 page->audio.port[3].channels = arg->patch[3]; 2418 error = cdsetmode(periph, ¶ms); 2419 kfree(params.mode_buf, M_TEMP); 2420 } 2421 break; 2422 case CDIOCGETVOL: 2423 { 2424 struct ioc_vol *arg = (struct ioc_vol *) addr; 2425 struct cd_mode_params params; 2426 union cd_pages *page; 2427 2428 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2429 ("trying to do CDIOCGETVOL\n")); 2430 2431 params.alloc_len = sizeof(union cd_mode_data_6_10); 2432 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2433 M_WAITOK | M_ZERO); 2434 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2435 if (error) { 2436 kfree(params.mode_buf, M_TEMP); 2437 break; 2438 } 2439 page = cdgetpage(¶ms); 2440 2441 arg->vol[LEFT_PORT] = 2442 page->audio.port[LEFT_PORT].volume; 2443 arg->vol[RIGHT_PORT] = 2444 page->audio.port[RIGHT_PORT].volume; 2445 arg->vol[2] = page->audio.port[2].volume; 2446 arg->vol[3] = page->audio.port[3].volume; 2447 kfree(params.mode_buf, M_TEMP); 2448 } 2449 break; 2450 case CDIOCSETVOL: 2451 { 2452 struct ioc_vol *arg = (struct ioc_vol *) addr; 2453 struct cd_mode_params params; 2454 union cd_pages *page; 2455 2456 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2457 ("trying to do CDIOCSETVOL\n")); 2458 2459 params.alloc_len = sizeof(union cd_mode_data_6_10); 2460 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2461 M_WAITOK | M_ZERO); 2462 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2463 if (error) { 2464 kfree(params.mode_buf, M_TEMP); 2465 break; 2466 } 2467 page = cdgetpage(¶ms); 2468 2469 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2470 page->audio.port[LEFT_PORT].volume = 2471 arg->vol[LEFT_PORT]; 2472 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2473 page->audio.port[RIGHT_PORT].volume = 2474 arg->vol[RIGHT_PORT]; 2475 page->audio.port[2].volume = arg->vol[2]; 2476 page->audio.port[3].volume = arg->vol[3]; 2477 error = cdsetmode(periph, ¶ms); 2478 kfree(params.mode_buf, M_TEMP); 2479 } 2480 break; 2481 case CDIOCSETMONO: 2482 { 2483 struct cd_mode_params params; 2484 union cd_pages *page; 2485 2486 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2487 ("trying to do CDIOCSETMONO\n")); 2488 2489 params.alloc_len = sizeof(union cd_mode_data_6_10); 2490 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2491 M_WAITOK | M_ZERO); 2492 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2493 if (error) { 2494 kfree(params.mode_buf, M_TEMP); 2495 break; 2496 } 2497 page = cdgetpage(¶ms); 2498 2499 page->audio.port[LEFT_PORT].channels = 2500 LEFT_CHANNEL | RIGHT_CHANNEL; 2501 page->audio.port[RIGHT_PORT].channels = 2502 LEFT_CHANNEL | RIGHT_CHANNEL; 2503 page->audio.port[2].channels = 0; 2504 page->audio.port[3].channels = 0; 2505 error = cdsetmode(periph, ¶ms); 2506 kfree(params.mode_buf, M_TEMP); 2507 } 2508 break; 2509 case CDIOCSETSTEREO: 2510 { 2511 struct cd_mode_params params; 2512 union cd_pages *page; 2513 2514 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2515 ("trying to do CDIOCSETSTEREO\n")); 2516 2517 params.alloc_len = sizeof(union cd_mode_data_6_10); 2518 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2519 M_WAITOK | M_ZERO); 2520 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2521 if (error) { 2522 kfree(params.mode_buf, M_TEMP); 2523 break; 2524 } 2525 page = cdgetpage(¶ms); 2526 2527 page->audio.port[LEFT_PORT].channels = 2528 LEFT_CHANNEL; 2529 page->audio.port[RIGHT_PORT].channels = 2530 RIGHT_CHANNEL; 2531 page->audio.port[2].channels = 0; 2532 page->audio.port[3].channels = 0; 2533 error = cdsetmode(periph, ¶ms); 2534 kfree(params.mode_buf, M_TEMP); 2535 } 2536 break; 2537 case CDIOCSETMUTE: 2538 { 2539 struct cd_mode_params params; 2540 union cd_pages *page; 2541 2542 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2543 ("trying to do CDIOCSETMUTE\n")); 2544 2545 params.alloc_len = sizeof(union cd_mode_data_6_10); 2546 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2547 M_WAITOK | M_ZERO); 2548 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2549 if (error) { 2550 kfree(¶ms, M_TEMP); 2551 break; 2552 } 2553 page = cdgetpage(¶ms); 2554 2555 page->audio.port[LEFT_PORT].channels = 0; 2556 page->audio.port[RIGHT_PORT].channels = 0; 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_TEMP); 2561 } 2562 break; 2563 case CDIOCSETLEFT: 2564 { 2565 struct cd_mode_params params; 2566 union cd_pages *page; 2567 2568 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2569 ("trying to do CDIOCSETLEFT\n")); 2570 2571 params.alloc_len = sizeof(union cd_mode_data_6_10); 2572 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2573 M_WAITOK | M_ZERO); 2574 2575 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2576 if (error) { 2577 kfree(params.mode_buf, M_TEMP); 2578 break; 2579 } 2580 page = cdgetpage(¶ms); 2581 2582 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2583 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2584 page->audio.port[2].channels = 0; 2585 page->audio.port[3].channels = 0; 2586 error = cdsetmode(periph, ¶ms); 2587 kfree(params.mode_buf, M_TEMP); 2588 } 2589 break; 2590 case CDIOCSETRIGHT: 2591 { 2592 struct cd_mode_params params; 2593 union cd_pages *page; 2594 2595 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2596 ("trying to do CDIOCSETRIGHT\n")); 2597 2598 params.alloc_len = sizeof(union cd_mode_data_6_10); 2599 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2600 M_WAITOK | M_ZERO); 2601 2602 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2603 if (error) { 2604 kfree(params.mode_buf, M_TEMP); 2605 break; 2606 } 2607 page = cdgetpage(¶ms); 2608 2609 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2610 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2611 page->audio.port[2].channels = 0; 2612 page->audio.port[3].channels = 0; 2613 error = cdsetmode(periph, ¶ms); 2614 kfree(params.mode_buf, M_TEMP); 2615 } 2616 break; 2617 case CDIOCRESUME: 2618 error = cdpause(periph, 1); 2619 break; 2620 case CDIOCPAUSE: 2621 error = cdpause(periph, 0); 2622 break; 2623 case CDIOCSTART: 2624 error = cdstartunit(periph, 0); 2625 break; 2626 case CDIOCCLOSE: 2627 error = cdstartunit(periph, 1); 2628 2629 #ifdef notyet 2630 if (error != 0) 2631 break; 2632 2633 /* 2634 * The user successfully closed the tray, run 2635 * cdcheckmedia() again so we can re-sync the disklabel 2636 * information. 2637 */ 2638 cdcheckmedia(periph); 2639 #endif /* notyet */ 2640 break; 2641 case CDIOCSTOP: 2642 error = cdstopunit(periph, 0); 2643 break; 2644 case CDIOCEJECT: 2645 error = cdstopunit(periph, 1); 2646 2647 #ifdef notyet 2648 if (error != 0) 2649 break; 2650 2651 /* 2652 * Since we've successfully ejected the media, run 2653 * cdcheckmedia() again so we re-sync the disklabel 2654 * information. 2655 */ 2656 cdcheckmedia(periph); 2657 #endif /* notyet */ 2658 break; 2659 case CDIOCALLOW: 2660 cdprevent(periph, PR_ALLOW); 2661 break; 2662 case CDIOCPREVENT: 2663 cdprevent(periph, PR_PREVENT); 2664 break; 2665 case CDIOCSETDEBUG: 2666 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2667 error = ENOTTY; 2668 break; 2669 case CDIOCCLRDEBUG: 2670 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2671 error = ENOTTY; 2672 break; 2673 case CDIOCRESET: 2674 /* return (cd_reset(periph)); */ 2675 error = ENOTTY; 2676 break; 2677 case CDRIOCREADSPEED: 2678 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2679 break; 2680 case CDRIOCWRITESPEED: 2681 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2682 break; 2683 case DVDIOCSENDKEY: 2684 case DVDIOCREPORTKEY: { 2685 struct dvd_authinfo *authinfo; 2686 2687 authinfo = (struct dvd_authinfo *)addr; 2688 2689 if (ap->a_cmd == DVDIOCREPORTKEY) 2690 error = cdreportkey(periph, authinfo); 2691 else 2692 error = cdsendkey(periph, authinfo); 2693 break; 2694 } 2695 case DVDIOCREADSTRUCTURE: { 2696 struct dvd_struct *dvdstruct; 2697 2698 dvdstruct = (struct dvd_struct *)addr; 2699 2700 error = cdreaddvdstructure(periph, dvdstruct); 2701 2702 break; 2703 } 2704 default: 2705 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2706 break; 2707 } 2708 2709 cam_periph_unlock(periph); 2710 2711 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2712 2713 return (error); 2714 } 2715 2716 static void 2717 cdprevent(struct cam_periph *periph, int action) 2718 { 2719 union ccb *ccb; 2720 struct cd_softc *softc; 2721 int error; 2722 2723 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2724 2725 softc = (struct cd_softc *)periph->softc; 2726 2727 if (((action == PR_ALLOW) 2728 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2729 || ((action == PR_PREVENT) 2730 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2731 return; 2732 } 2733 2734 ccb = cdgetccb(periph, /* priority */ 1); 2735 2736 scsi_prevent(&ccb->csio, 2737 /*retries*/ 1, 2738 cddone, 2739 MSG_SIMPLE_Q_TAG, 2740 action, 2741 SSD_FULL_SIZE, 2742 /* timeout */60000); 2743 2744 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2745 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2746 2747 xpt_release_ccb(ccb); 2748 2749 if (error == 0) { 2750 if (action == PR_ALLOW) 2751 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2752 else 2753 softc->flags |= CD_FLAG_DISC_LOCKED; 2754 } 2755 } 2756 2757 int 2758 cdcheckmedia(struct cam_periph *periph) 2759 { 2760 struct cd_softc *softc; 2761 struct ioc_toc_header *toch; 2762 struct cd_toc_single leadout; 2763 struct ccb_getdev cgd; 2764 u_int32_t size, toclen; 2765 int error, num_entries, cdindex; 2766 int first_track_audio; 2767 struct disk_info info; 2768 2769 softc = (struct cd_softc *)periph->softc; 2770 2771 first_track_audio = -1; 2772 error = 0; 2773 2774 cdprevent(periph, PR_PREVENT); 2775 2776 /* 2777 * Set up disk info fields and tell the disk subsystem to reset 2778 * its internal copy of the label. 2779 */ 2780 bzero(&info, sizeof(info)); 2781 info.d_type = DTYPE_SCSI; 2782 info.d_dsflags &= ~DSO_COMPATLABEL; 2783 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2784 2785 /* 2786 * Grab the inquiry data to get the vendor and product names. 2787 * Put them in the typename and packname for the label. 2788 */ 2789 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2790 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2791 xpt_action((union ccb *)&cgd); 2792 2793 #if 0 2794 strncpy(label->d_typename, cgd.inq_data.vendor, 2795 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2796 strncpy(label->d_packname, cgd.inq_data.product, 2797 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2798 #endif 2799 /* 2800 * Clear the valid media and TOC flags until we've verified that we 2801 * have both. 2802 */ 2803 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2804 2805 /* 2806 * Get the disc size and block size. If we can't get it, we don't 2807 * have media, most likely. 2808 */ 2809 if ((error = cdsize(periph, &size)) != 0) { 2810 /* 2811 * Set a bogus sector size, so the slice code won't try to 2812 * divide by 0 and panic the kernel. 2813 */ 2814 info.d_media_blksize = 2048; 2815 disk_setdiskinfo(&softc->disk, &info); 2816 2817 /* 2818 * XXX KDM is this a good idea? Seems to cause more 2819 * problems. 2820 */ 2821 if (softc->flags & CD_FLAG_OPEN) { 2822 int force; 2823 2824 force = 1; 2825 2826 /* 2827 * We don't bother checking the return value here, 2828 * since we already have an error... 2829 */ 2830 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2831 /*data*/(caddr_t)&force, /*flags*/ 0, 2832 &softc->disk.d_slice, &softc->disk.d_info); 2833 } 2834 2835 /* 2836 * Tell devstat(9) we don't have a blocksize. 2837 */ 2838 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2839 2840 cdprevent(periph, PR_ALLOW); 2841 2842 return (error); 2843 } else { 2844 info.d_media_blksize = softc->params.blksize; 2845 info.d_media_blocks = softc->params.disksize; 2846 disk_setdiskinfo(&softc->disk, &info); 2847 2848 /* 2849 * Force a re-sync of slice information, like the blocksize, 2850 * now that we know it. It isn't pretty...but according to 2851 * Bruce Evans, this is probably the best way to do it in 2852 * -stable. We only do this if we're already open, and 2853 * therefore dsopen() has already run. If CD_FLAG_OPEN 2854 * isn't set, this isn't necessary. 2855 */ 2856 if (softc->flags & CD_FLAG_OPEN) { 2857 int force; 2858 2859 force = 1; 2860 2861 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2862 /*data*/(caddr_t)&force, /*flags*/ 0, 2863 &softc->disk.d_slice, 2864 &softc->disk.d_info); 2865 if (error != 0) { 2866 /* 2867 * Set a bogus sector size, so the slice code 2868 * won't try to divide by 0 and panic the 2869 * kernel. 2870 */ 2871 info.d_media_blksize = 2048; 2872 info.d_media_blocks = 0; 2873 info.d_media_size = 0; 2874 disk_setdiskinfo(&softc->disk, &info); 2875 2876 /* 2877 * Tell devstat(9) we don't have a blocksize. 2878 */ 2879 softc->device_stats.flags |= 2880 DEVSTAT_BS_UNAVAILABLE; 2881 2882 cdprevent(periph, PR_ALLOW); 2883 } 2884 } 2885 2886 /* 2887 * We unconditionally (re)set the blocksize each time the 2888 * CD device is opened. This is because the CD can change, 2889 * and therefore the blocksize might change. 2890 * XXX problems here if some slice or partition is still 2891 * open with the old size? 2892 */ 2893 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2894 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2895 softc->device_stats.block_size = softc->params.blksize; 2896 2897 softc->flags |= CD_FLAG_VALID_MEDIA; 2898 } 2899 2900 /* 2901 * Now we check the table of contents. This (currently) is only 2902 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2903 * things like present a separate entry in /dev for each track, 2904 * like that acd(4) driver does. 2905 */ 2906 bzero(&softc->toc, sizeof(softc->toc)); 2907 toch = &softc->toc.header; 2908 2909 /* 2910 * We will get errors here for media that doesn't have a table of 2911 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2912 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2913 * has not been recorded (no complete session) and the Format codes 2914 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2915 * with an INVALID FIELD IN CDB. Devices that are not capable of 2916 * reading an incomplete session on DDC/CD-R/RW media shall report 2917 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2918 * 2919 * So this isn't fatal if we can't read the table of contents, it 2920 * just means that the user won't be able to issue the play tracks 2921 * ioctl, and likely lots of other stuff won't work either. They 2922 * need to burn the CD before we can do a whole lot with it. So 2923 * we don't print anything here if we get an error back. 2924 */ 2925 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2926 SF_NO_PRINT); 2927 /* 2928 * Errors in reading the table of contents aren't fatal, we just 2929 * won't have a valid table of contents cached. 2930 */ 2931 if (error != 0) { 2932 error = 0; 2933 bzero(&softc->toc, sizeof(softc->toc)); 2934 goto bailout; 2935 } 2936 2937 if (softc->quirks & CD_Q_BCD_TRACKS) { 2938 toch->starting_track = bcd2bin(toch->starting_track); 2939 toch->ending_track = bcd2bin(toch->ending_track); 2940 } 2941 2942 /* Number of TOC entries, plus leadout */ 2943 num_entries = (toch->ending_track - toch->starting_track) + 2; 2944 2945 if (num_entries <= 0) 2946 goto bailout; 2947 2948 toclen = num_entries * sizeof(struct cd_toc_entry); 2949 2950 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2951 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2952 SF_NO_PRINT); 2953 if (error != 0) { 2954 error = 0; 2955 bzero(&softc->toc, sizeof(softc->toc)); 2956 goto bailout; 2957 } 2958 2959 if (softc->quirks & CD_Q_BCD_TRACKS) { 2960 toch->starting_track = bcd2bin(toch->starting_track); 2961 toch->ending_track = bcd2bin(toch->ending_track); 2962 } 2963 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2964 2965 /* 2966 * XXX KDM is this necessary? Probably only if the drive doesn't 2967 * return leadout information with the table of contents. 2968 */ 2969 cdindex = toch->starting_track + num_entries -1; 2970 if (cdindex == toch->ending_track + 1) { 2971 2972 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2973 (u_int8_t *)&leadout, sizeof(leadout), 2974 SF_NO_PRINT); 2975 if (error != 0) { 2976 error = 0; 2977 goto bailout; 2978 } 2979 softc->toc.entries[cdindex - toch->starting_track] = 2980 leadout.entry; 2981 } 2982 if (softc->quirks & CD_Q_BCD_TRACKS) { 2983 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2984 softc->toc.entries[cdindex].track = 2985 bcd2bin(softc->toc.entries[cdindex].track); 2986 } 2987 } 2988 2989 /* 2990 * Run through the TOC entries, find the first entry and determine 2991 * whether it is an audio or data track. 2992 */ 2993 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2994 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2995 if (softc->toc.entries[cdindex].control & 0x04) 2996 first_track_audio = 0; 2997 else 2998 first_track_audio = 1; 2999 break; 3000 } 3001 } 3002 3003 /* 3004 * If first_track_audio is non-zero, we either have an error (e.g. 3005 * couldn't find the starting track) or the first track is an audio 3006 * track. If first_track_audio is 0, the first track is a data 3007 * track that could have a disklabel. Attempt to read the 3008 * disklabel off the media, just in case the user put one there. 3009 */ 3010 if (first_track_audio == 0) { 3011 info.d_dsflags |= DSO_COMPATLABEL; 3012 info.d_dsflags &= ~DSO_NOLABELS; 3013 disk_setdiskinfo(&softc->disk, &info); 3014 } 3015 softc->flags |= CD_FLAG_VALID_TOC; 3016 3017 bailout: 3018 return (error); 3019 } 3020 3021 static int 3022 cdsize(struct cam_periph *periph, u_int32_t *size) 3023 { 3024 struct cd_softc *softc; 3025 union ccb *ccb; 3026 struct scsi_read_capacity_data *rcap_buf; 3027 int error; 3028 3029 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3030 3031 softc = (struct cd_softc *)periph->softc; 3032 3033 ccb = cdgetccb(periph, /* priority */ 1); 3034 3035 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3036 M_TEMP, M_INTWAIT | M_ZERO); 3037 3038 scsi_read_capacity(&ccb->csio, 3039 /*retries*/ 1, 3040 cddone, 3041 MSG_SIMPLE_Q_TAG, 3042 rcap_buf, 3043 SSD_FULL_SIZE, 3044 /* timeout */20000); 3045 3046 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3047 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3048 3049 xpt_release_ccb(ccb); 3050 3051 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3052 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3053 /* 3054 * SCSI-3 mandates that the reported blocksize shall be 2048. 3055 * Older drives sometimes report funny values, trim it down to 3056 * 2048, or other parts of the kernel will get confused. 3057 * 3058 * XXX we leave drives alone that might report 512 bytes, as 3059 * well as drives reporting more weird sizes like perhaps 4K. 3060 */ 3061 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3062 softc->params.blksize = 2048; 3063 3064 kfree(rcap_buf, M_TEMP); 3065 *size = softc->params.disksize; 3066 3067 return (error); 3068 3069 } 3070 3071 static int 3072 cd6byteworkaround(union ccb *ccb) 3073 { 3074 u_int8_t *cdb; 3075 struct cam_periph *periph; 3076 struct cd_softc *softc; 3077 struct cd_mode_params *params; 3078 int frozen, found; 3079 3080 periph = xpt_path_periph(ccb->ccb_h.path); 3081 softc = (struct cd_softc *)periph->softc; 3082 3083 cdb = ccb->csio.cdb_io.cdb_bytes; 3084 3085 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3086 || ((cdb[0] != MODE_SENSE_6) 3087 && (cdb[0] != MODE_SELECT_6))) 3088 return (0); 3089 3090 /* 3091 * Because there is no convenient place to stash the overall 3092 * cd_mode_params structure pointer, we have to grab it like this. 3093 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3094 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3095 * 3096 * XXX It would be nice if, at some point, we could increase the 3097 * number of available peripheral private pointers. Both pointers 3098 * are currently used in most every peripheral driver. 3099 */ 3100 found = 0; 3101 3102 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3103 if (params->mode_buf == ccb->csio.data_ptr) { 3104 found = 1; 3105 break; 3106 } 3107 } 3108 3109 /* 3110 * This shouldn't happen. All mode sense and mode select 3111 * operations in the cd(4) driver MUST go through cdgetmode() and 3112 * cdsetmode()! 3113 */ 3114 if (found == 0) { 3115 xpt_print_path(periph->path); 3116 kprintf("mode buffer not found in mode queue!\n"); 3117 return (0); 3118 } 3119 3120 params->cdb_size = 10; 3121 softc->minimum_command_size = 10; 3122 xpt_print_path(ccb->ccb_h.path); 3123 kprintf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3124 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3125 3126 if (cdb[0] == MODE_SENSE_6) { 3127 struct scsi_mode_sense_10 ms10; 3128 struct scsi_mode_sense_6 *ms6; 3129 int len; 3130 3131 ms6 = (struct scsi_mode_sense_6 *)cdb; 3132 3133 bzero(&ms10, sizeof(ms10)); 3134 ms10.opcode = MODE_SENSE_10; 3135 ms10.byte2 = ms6->byte2; 3136 ms10.page = ms6->page; 3137 3138 /* 3139 * 10 byte mode header, block descriptor, 3140 * sizeof(union cd_pages) 3141 */ 3142 len = sizeof(struct cd_mode_data_10); 3143 ccb->csio.dxfer_len = len; 3144 3145 scsi_ulto2b(len, ms10.length); 3146 ms10.control = ms6->control; 3147 bcopy(&ms10, cdb, 10); 3148 ccb->csio.cdb_len = 10; 3149 } else { 3150 struct scsi_mode_select_10 ms10; 3151 struct scsi_mode_select_6 *ms6; 3152 struct scsi_mode_header_6 *header6; 3153 struct scsi_mode_header_10 *header10; 3154 struct scsi_mode_page_header *page_header; 3155 int blk_desc_len, page_num, page_size, len; 3156 3157 ms6 = (struct scsi_mode_select_6 *)cdb; 3158 3159 bzero(&ms10, sizeof(ms10)); 3160 ms10.opcode = MODE_SELECT_10; 3161 ms10.byte2 = ms6->byte2; 3162 3163 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3164 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3165 3166 page_header = find_mode_page_6(header6); 3167 page_num = page_header->page_code; 3168 3169 blk_desc_len = header6->blk_desc_len; 3170 3171 page_size = cdgetpagesize(page_num); 3172 3173 if (page_size != (page_header->page_length + 3174 sizeof(*page_header))) 3175 page_size = page_header->page_length + 3176 sizeof(*page_header); 3177 3178 len = sizeof(*header10) + blk_desc_len + page_size; 3179 3180 len = min(params->alloc_len, len); 3181 3182 /* 3183 * Since the 6 byte parameter header is shorter than the 10 3184 * byte parameter header, we need to copy the actual mode 3185 * page data, and the block descriptor, if any, so things wind 3186 * up in the right place. The regions will overlap, but 3187 * bcopy() does the right thing. 3188 */ 3189 bcopy(params->mode_buf + sizeof(*header6), 3190 params->mode_buf + sizeof(*header10), 3191 len - sizeof(*header10)); 3192 3193 /* Make sure these fields are set correctly. */ 3194 scsi_ulto2b(0, header10->data_length); 3195 header10->medium_type = 0; 3196 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3197 3198 ccb->csio.dxfer_len = len; 3199 3200 scsi_ulto2b(len, ms10.length); 3201 ms10.control = ms6->control; 3202 bcopy(&ms10, cdb, 10); 3203 ccb->csio.cdb_len = 10; 3204 } 3205 3206 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3207 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3208 xpt_action(ccb); 3209 if (frozen) { 3210 cam_release_devq(ccb->ccb_h.path, 3211 /*relsim_flags*/0, 3212 /*openings*/0, 3213 /*timeout*/0, 3214 /*getcount_only*/0); 3215 } 3216 3217 return (ERESTART); 3218 } 3219 3220 static int 3221 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3222 { 3223 struct cd_softc *softc; 3224 struct cam_periph *periph; 3225 int error; 3226 3227 periph = xpt_path_periph(ccb->ccb_h.path); 3228 softc = (struct cd_softc *)periph->softc; 3229 3230 error = 0; 3231 3232 /* 3233 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3234 * CDB comes back with this particular error, try transforming it 3235 * into the 10 byte version. 3236 */ 3237 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3238 error = cd6byteworkaround(ccb); 3239 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3240 CAM_SCSI_STATUS_ERROR) 3241 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3242 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3243 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3244 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3245 int sense_key, error_code, asc, ascq; 3246 3247 scsi_extract_sense(&ccb->csio.sense_data, 3248 &error_code, &sense_key, &asc, &ascq); 3249 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3250 error = cd6byteworkaround(ccb); 3251 } 3252 3253 if (error == ERESTART) 3254 return (error); 3255 3256 /* 3257 * XXX 3258 * Until we have a better way of doing pack validation, 3259 * don't treat UAs as errors. 3260 */ 3261 sense_flags |= SF_RETRY_UA; 3262 return (cam_periph_error(ccb, cam_flags, sense_flags, 3263 &softc->saved_ccb)); 3264 } 3265 3266 /* 3267 * Read table of contents 3268 */ 3269 static int 3270 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3271 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3272 { 3273 struct scsi_read_toc *scsi_cmd; 3274 u_int32_t ntoc; 3275 struct ccb_scsiio *csio; 3276 union ccb *ccb; 3277 int error; 3278 3279 ntoc = len; 3280 error = 0; 3281 3282 ccb = cdgetccb(periph, /* priority */ 1); 3283 3284 csio = &ccb->csio; 3285 3286 cam_fill_csio(csio, 3287 /* retries */ 1, 3288 /* cbfcnp */ cddone, 3289 /* flags */ CAM_DIR_IN, 3290 /* tag_action */ MSG_SIMPLE_Q_TAG, 3291 /* data_ptr */ data, 3292 /* dxfer_len */ len, 3293 /* sense_len */ SSD_FULL_SIZE, 3294 sizeof(struct scsi_read_toc), 3295 /* timeout */ 50000); 3296 3297 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3298 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3299 3300 if (mode == CD_MSF_FORMAT) 3301 scsi_cmd->byte2 |= CD_MSF; 3302 scsi_cmd->from_track = start; 3303 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3304 scsi_cmd->data_len[0] = (ntoc) >> 8; 3305 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3306 3307 scsi_cmd->op_code = READ_TOC; 3308 3309 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3310 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3311 sense_flags); 3312 3313 xpt_release_ccb(ccb); 3314 3315 return(error); 3316 } 3317 3318 static int 3319 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3320 u_int32_t format, int track, 3321 struct cd_sub_channel_info *data, u_int32_t len) 3322 { 3323 struct scsi_read_subchannel *scsi_cmd; 3324 struct ccb_scsiio *csio; 3325 union ccb *ccb; 3326 int error; 3327 3328 error = 0; 3329 3330 ccb = cdgetccb(periph, /* priority */ 1); 3331 3332 csio = &ccb->csio; 3333 3334 cam_fill_csio(csio, 3335 /* retries */ 1, 3336 /* cbfcnp */ cddone, 3337 /* flags */ CAM_DIR_IN, 3338 /* tag_action */ MSG_SIMPLE_Q_TAG, 3339 /* data_ptr */ (u_int8_t *)data, 3340 /* dxfer_len */ len, 3341 /* sense_len */ SSD_FULL_SIZE, 3342 sizeof(struct scsi_read_subchannel), 3343 /* timeout */ 50000); 3344 3345 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3346 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3347 3348 scsi_cmd->op_code = READ_SUBCHANNEL; 3349 if (mode == CD_MSF_FORMAT) 3350 scsi_cmd->byte1 |= CD_MSF; 3351 scsi_cmd->byte2 = SRS_SUBQ; 3352 scsi_cmd->subchan_format = format; 3353 scsi_cmd->track = track; 3354 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3355 scsi_cmd->control = 0; 3356 3357 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3358 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3359 3360 xpt_release_ccb(ccb); 3361 3362 return(error); 3363 } 3364 3365 /* 3366 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3367 * routine. See comments in cd6byteworkaround() for details. 3368 */ 3369 static int 3370 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3371 u_int32_t page) 3372 { 3373 struct ccb_scsiio *csio; 3374 struct cd_softc *softc; 3375 union ccb *ccb; 3376 int param_len; 3377 int error; 3378 3379 softc = (struct cd_softc *)periph->softc; 3380 3381 ccb = cdgetccb(periph, /* priority */ 1); 3382 3383 csio = &ccb->csio; 3384 3385 data->cdb_size = softc->minimum_command_size; 3386 if (data->cdb_size < 10) 3387 param_len = sizeof(struct cd_mode_data); 3388 else 3389 param_len = sizeof(struct cd_mode_data_10); 3390 3391 /* Don't say we've got more room than we actually allocated */ 3392 param_len = min(param_len, data->alloc_len); 3393 3394 scsi_mode_sense_len(csio, 3395 /* retries */ 1, 3396 /* cbfcnp */ cddone, 3397 /* tag_action */ MSG_SIMPLE_Q_TAG, 3398 /* dbd */ 0, 3399 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3400 /* page */ page, 3401 /* param_buf */ data->mode_buf, 3402 /* param_len */ param_len, 3403 /* minimum_cmd_size */ softc->minimum_command_size, 3404 /* sense_len */ SSD_FULL_SIZE, 3405 /* timeout */ 50000); 3406 3407 /* 3408 * It would be nice not to have to do this, but there's no 3409 * available pointer in the CCB that would allow us to stuff the 3410 * mode params structure in there and retrieve it in 3411 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3412 * lets the caller know what CDB size we ended up using, so they 3413 * can find the actual mode page offset. 3414 */ 3415 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3416 3417 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3418 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3419 3420 xpt_release_ccb(ccb); 3421 3422 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3423 3424 /* 3425 * This is a bit of belt-and-suspenders checking, but if we run 3426 * into a situation where the target sends back multiple block 3427 * descriptors, we might not have enough space in the buffer to 3428 * see the whole mode page. Better to return an error than 3429 * potentially access memory beyond our malloced region. 3430 */ 3431 if (error == 0) { 3432 u_int32_t data_len; 3433 3434 if (data->cdb_size == 10) { 3435 struct scsi_mode_header_10 *hdr10; 3436 3437 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3438 data_len = scsi_2btoul(hdr10->data_length); 3439 data_len += sizeof(hdr10->data_length); 3440 } else { 3441 struct scsi_mode_header_6 *hdr6; 3442 3443 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3444 data_len = hdr6->data_length; 3445 data_len += sizeof(hdr6->data_length); 3446 } 3447 3448 /* 3449 * Complain if there is more mode data available than we 3450 * allocated space for. This could potentially happen if 3451 * we miscalculated the page length for some reason, if the 3452 * drive returns multiple block descriptors, or if it sets 3453 * the data length incorrectly. 3454 */ 3455 if (data_len > data->alloc_len) { 3456 xpt_print_path(periph->path); 3457 kprintf("allocated modepage %d length %d < returned " 3458 "length %d\n", page, data->alloc_len, data_len); 3459 3460 error = ENOSPC; 3461 } 3462 } 3463 return (error); 3464 } 3465 3466 /* 3467 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3468 * routine. See comments in cd6byteworkaround() for details. 3469 */ 3470 static int 3471 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3472 { 3473 struct ccb_scsiio *csio; 3474 struct cd_softc *softc; 3475 union ccb *ccb; 3476 int cdb_size, param_len; 3477 int error; 3478 3479 softc = (struct cd_softc *)periph->softc; 3480 3481 ccb = cdgetccb(periph, /* priority */ 1); 3482 3483 csio = &ccb->csio; 3484 3485 error = 0; 3486 3487 /* 3488 * If the data is formatted for the 10 byte version of the mode 3489 * select parameter list, we need to use the 10 byte CDB. 3490 * Otherwise, we use whatever the stored minimum command size. 3491 */ 3492 if (data->cdb_size == 10) 3493 cdb_size = data->cdb_size; 3494 else 3495 cdb_size = softc->minimum_command_size; 3496 3497 if (cdb_size >= 10) { 3498 struct scsi_mode_header_10 *mode_header; 3499 u_int32_t data_len; 3500 3501 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3502 3503 data_len = scsi_2btoul(mode_header->data_length); 3504 3505 scsi_ulto2b(0, mode_header->data_length); 3506 /* 3507 * SONY drives do not allow a mode select with a medium_type 3508 * value that has just been returned by a mode sense; use a 3509 * medium_type of 0 (Default) instead. 3510 */ 3511 mode_header->medium_type = 0; 3512 3513 /* 3514 * Pass back whatever the drive passed to us, plus the size 3515 * of the data length field. 3516 */ 3517 param_len = data_len + sizeof(mode_header->data_length); 3518 3519 } else { 3520 struct scsi_mode_header_6 *mode_header; 3521 3522 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3523 3524 param_len = mode_header->data_length + 1; 3525 3526 mode_header->data_length = 0; 3527 /* 3528 * SONY drives do not allow a mode select with a medium_type 3529 * value that has just been returned by a mode sense; use a 3530 * medium_type of 0 (Default) instead. 3531 */ 3532 mode_header->medium_type = 0; 3533 } 3534 3535 /* Don't say we've got more room than we actually allocated */ 3536 param_len = min(param_len, data->alloc_len); 3537 3538 scsi_mode_select_len(csio, 3539 /* retries */ 1, 3540 /* cbfcnp */ cddone, 3541 /* tag_action */ MSG_SIMPLE_Q_TAG, 3542 /* scsi_page_fmt */ 1, 3543 /* save_pages */ 0, 3544 /* param_buf */ data->mode_buf, 3545 /* param_len */ param_len, 3546 /* minimum_cmd_size */ cdb_size, 3547 /* sense_len */ SSD_FULL_SIZE, 3548 /* timeout */ 50000); 3549 3550 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3551 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3552 3553 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3554 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3555 3556 xpt_release_ccb(ccb); 3557 3558 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3559 3560 return (error); 3561 } 3562 3563 3564 3565 static int 3566 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3567 { 3568 struct ccb_scsiio *csio; 3569 union ccb *ccb; 3570 int error; 3571 u_int8_t cdb_len; 3572 3573 error = 0; 3574 ccb = cdgetccb(periph, /* priority */ 1); 3575 csio = &ccb->csio; 3576 /* 3577 * Use the smallest possible command to perform the operation. 3578 */ 3579 if ((len & 0xffff0000) == 0) { 3580 /* 3581 * We can fit in a 10 byte cdb. 3582 */ 3583 struct scsi_play_10 *scsi_cmd; 3584 3585 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3586 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3587 scsi_cmd->op_code = PLAY_10; 3588 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3589 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3590 cdb_len = sizeof(*scsi_cmd); 3591 } else { 3592 struct scsi_play_12 *scsi_cmd; 3593 3594 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3595 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3596 scsi_cmd->op_code = PLAY_12; 3597 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3598 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3599 cdb_len = sizeof(*scsi_cmd); 3600 } 3601 cam_fill_csio(csio, 3602 /*retries*/2, 3603 cddone, 3604 /*flags*/CAM_DIR_NONE, 3605 MSG_SIMPLE_Q_TAG, 3606 /*dataptr*/NULL, 3607 /*datalen*/0, 3608 /*sense_len*/SSD_FULL_SIZE, 3609 cdb_len, 3610 /*timeout*/50 * 1000); 3611 3612 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3613 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3614 3615 xpt_release_ccb(ccb); 3616 3617 return(error); 3618 } 3619 3620 static int 3621 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3622 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3623 { 3624 struct scsi_play_msf *scsi_cmd; 3625 struct ccb_scsiio *csio; 3626 union ccb *ccb; 3627 int error; 3628 3629 error = 0; 3630 3631 ccb = cdgetccb(periph, /* priority */ 1); 3632 3633 csio = &ccb->csio; 3634 3635 cam_fill_csio(csio, 3636 /* retries */ 1, 3637 /* cbfcnp */ cddone, 3638 /* flags */ CAM_DIR_NONE, 3639 /* tag_action */ MSG_SIMPLE_Q_TAG, 3640 /* data_ptr */ NULL, 3641 /* dxfer_len */ 0, 3642 /* sense_len */ SSD_FULL_SIZE, 3643 sizeof(struct scsi_play_msf), 3644 /* timeout */ 50000); 3645 3646 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3647 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3648 3649 scsi_cmd->op_code = PLAY_MSF; 3650 scsi_cmd->start_m = startm; 3651 scsi_cmd->start_s = starts; 3652 scsi_cmd->start_f = startf; 3653 scsi_cmd->end_m = endm; 3654 scsi_cmd->end_s = ends; 3655 scsi_cmd->end_f = endf; 3656 3657 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3658 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3659 3660 xpt_release_ccb(ccb); 3661 3662 return(error); 3663 } 3664 3665 3666 static int 3667 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3668 u_int32_t etrack, u_int32_t eindex) 3669 { 3670 struct scsi_play_track *scsi_cmd; 3671 struct ccb_scsiio *csio; 3672 union ccb *ccb; 3673 int error; 3674 3675 error = 0; 3676 3677 ccb = cdgetccb(periph, /* priority */ 1); 3678 3679 csio = &ccb->csio; 3680 3681 cam_fill_csio(csio, 3682 /* retries */ 1, 3683 /* cbfcnp */ cddone, 3684 /* flags */ CAM_DIR_NONE, 3685 /* tag_action */ MSG_SIMPLE_Q_TAG, 3686 /* data_ptr */ NULL, 3687 /* dxfer_len */ 0, 3688 /* sense_len */ SSD_FULL_SIZE, 3689 sizeof(struct scsi_play_track), 3690 /* timeout */ 50000); 3691 3692 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3693 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3694 3695 scsi_cmd->op_code = PLAY_TRACK; 3696 scsi_cmd->start_track = strack; 3697 scsi_cmd->start_index = sindex; 3698 scsi_cmd->end_track = etrack; 3699 scsi_cmd->end_index = eindex; 3700 3701 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3702 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3703 3704 xpt_release_ccb(ccb); 3705 3706 return(error); 3707 } 3708 3709 static int 3710 cdpause(struct cam_periph *periph, u_int32_t go) 3711 { 3712 struct scsi_pause *scsi_cmd; 3713 struct ccb_scsiio *csio; 3714 union ccb *ccb; 3715 int error; 3716 3717 error = 0; 3718 3719 ccb = cdgetccb(periph, /* priority */ 1); 3720 3721 csio = &ccb->csio; 3722 3723 cam_fill_csio(csio, 3724 /* retries */ 1, 3725 /* cbfcnp */ cddone, 3726 /* flags */ CAM_DIR_NONE, 3727 /* tag_action */ MSG_SIMPLE_Q_TAG, 3728 /* data_ptr */ NULL, 3729 /* dxfer_len */ 0, 3730 /* sense_len */ SSD_FULL_SIZE, 3731 sizeof(struct scsi_pause), 3732 /* timeout */ 50000); 3733 3734 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3735 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3736 3737 scsi_cmd->op_code = PAUSE; 3738 scsi_cmd->resume = go; 3739 3740 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3741 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3742 3743 xpt_release_ccb(ccb); 3744 3745 return(error); 3746 } 3747 3748 static int 3749 cdstartunit(struct cam_periph *periph, int load) 3750 { 3751 union ccb *ccb; 3752 int error; 3753 3754 error = 0; 3755 3756 ccb = cdgetccb(periph, /* priority */ 1); 3757 3758 scsi_start_stop(&ccb->csio, 3759 /* retries */ 1, 3760 /* cbfcnp */ cddone, 3761 /* tag_action */ MSG_SIMPLE_Q_TAG, 3762 /* start */ TRUE, 3763 /* load_eject */ load, 3764 /* immediate */ FALSE, 3765 /* sense_len */ SSD_FULL_SIZE, 3766 /* timeout */ 50000); 3767 3768 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3769 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3770 3771 xpt_release_ccb(ccb); 3772 3773 return(error); 3774 } 3775 3776 static int 3777 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3778 { 3779 union ccb *ccb; 3780 int error; 3781 3782 error = 0; 3783 3784 ccb = cdgetccb(periph, /* priority */ 1); 3785 3786 scsi_start_stop(&ccb->csio, 3787 /* retries */ 1, 3788 /* cbfcnp */ cddone, 3789 /* tag_action */ MSG_SIMPLE_Q_TAG, 3790 /* start */ FALSE, 3791 /* load_eject */ eject, 3792 /* immediate */ FALSE, 3793 /* sense_len */ SSD_FULL_SIZE, 3794 /* timeout */ 50000); 3795 3796 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3797 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3798 3799 xpt_release_ccb(ccb); 3800 3801 return(error); 3802 } 3803 3804 static int 3805 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3806 { 3807 struct scsi_set_speed *scsi_cmd; 3808 struct ccb_scsiio *csio; 3809 union ccb *ccb; 3810 int error; 3811 3812 error = 0; 3813 ccb = cdgetccb(periph, /* priority */ 1); 3814 csio = &ccb->csio; 3815 3816 /* Preserve old behavior: units in multiples of CDROM speed */ 3817 if (rdspeed < 177) 3818 rdspeed *= 177; 3819 if (wrspeed < 177) 3820 wrspeed *= 177; 3821 3822 cam_fill_csio(csio, 3823 /* retries */ 1, 3824 /* cbfcnp */ cddone, 3825 /* flags */ CAM_DIR_NONE, 3826 /* tag_action */ MSG_SIMPLE_Q_TAG, 3827 /* data_ptr */ NULL, 3828 /* dxfer_len */ 0, 3829 /* sense_len */ SSD_FULL_SIZE, 3830 sizeof(struct scsi_set_speed), 3831 /* timeout */ 50000); 3832 3833 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3834 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3835 3836 scsi_cmd->opcode = SET_CD_SPEED; 3837 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3838 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3839 3840 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3841 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3842 3843 xpt_release_ccb(ccb); 3844 3845 return(error); 3846 } 3847 3848 static int 3849 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3850 { 3851 union ccb *ccb; 3852 u_int8_t *databuf; 3853 u_int32_t lba; 3854 int error; 3855 int length; 3856 3857 error = 0; 3858 databuf = NULL; 3859 lba = 0; 3860 3861 ccb = cdgetccb(periph, /* priority */ 1); 3862 3863 switch (authinfo->format) { 3864 case DVD_REPORT_AGID: 3865 length = sizeof(struct scsi_report_key_data_agid); 3866 break; 3867 case DVD_REPORT_CHALLENGE: 3868 length = sizeof(struct scsi_report_key_data_challenge); 3869 break; 3870 case DVD_REPORT_KEY1: 3871 length = sizeof(struct scsi_report_key_data_key1_key2); 3872 break; 3873 case DVD_REPORT_TITLE_KEY: 3874 length = sizeof(struct scsi_report_key_data_title); 3875 /* The lba field is only set for the title key */ 3876 lba = authinfo->lba; 3877 break; 3878 case DVD_REPORT_ASF: 3879 length = sizeof(struct scsi_report_key_data_asf); 3880 break; 3881 case DVD_REPORT_RPC: 3882 length = sizeof(struct scsi_report_key_data_rpc); 3883 break; 3884 case DVD_INVALIDATE_AGID: 3885 length = 0; 3886 break; 3887 default: 3888 error = EINVAL; 3889 goto bailout; 3890 break; /* NOTREACHED */ 3891 } 3892 3893 if (length != 0) { 3894 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3895 } else { 3896 databuf = NULL; 3897 } 3898 3899 3900 scsi_report_key(&ccb->csio, 3901 /* retries */ 1, 3902 /* cbfcnp */ cddone, 3903 /* tag_action */ MSG_SIMPLE_Q_TAG, 3904 /* lba */ lba, 3905 /* agid */ authinfo->agid, 3906 /* key_format */ authinfo->format, 3907 /* data_ptr */ databuf, 3908 /* dxfer_len */ length, 3909 /* sense_len */ SSD_FULL_SIZE, 3910 /* timeout */ 50000); 3911 3912 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3913 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3914 3915 if (error != 0) 3916 goto bailout; 3917 3918 if (ccb->csio.resid != 0) { 3919 xpt_print_path(periph->path); 3920 kprintf("warning, residual for report key command is %d\n", 3921 ccb->csio.resid); 3922 } 3923 3924 switch(authinfo->format) { 3925 case DVD_REPORT_AGID: { 3926 struct scsi_report_key_data_agid *agid_data; 3927 3928 agid_data = (struct scsi_report_key_data_agid *)databuf; 3929 3930 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3931 RKD_AGID_SHIFT; 3932 break; 3933 } 3934 case DVD_REPORT_CHALLENGE: { 3935 struct scsi_report_key_data_challenge *chal_data; 3936 3937 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3938 3939 bcopy(chal_data->challenge_key, authinfo->keychal, 3940 min(sizeof(chal_data->challenge_key), 3941 sizeof(authinfo->keychal))); 3942 break; 3943 } 3944 case DVD_REPORT_KEY1: { 3945 struct scsi_report_key_data_key1_key2 *key1_data; 3946 3947 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3948 3949 bcopy(key1_data->key1, authinfo->keychal, 3950 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3951 break; 3952 } 3953 case DVD_REPORT_TITLE_KEY: { 3954 struct scsi_report_key_data_title *title_data; 3955 3956 title_data = (struct scsi_report_key_data_title *)databuf; 3957 3958 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3959 RKD_TITLE_CPM_SHIFT; 3960 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3961 RKD_TITLE_CP_SEC_SHIFT; 3962 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3963 RKD_TITLE_CMGS_SHIFT; 3964 bcopy(title_data->title_key, authinfo->keychal, 3965 min(sizeof(title_data->title_key), 3966 sizeof(authinfo->keychal))); 3967 break; 3968 } 3969 case DVD_REPORT_ASF: { 3970 struct scsi_report_key_data_asf *asf_data; 3971 3972 asf_data = (struct scsi_report_key_data_asf *)databuf; 3973 3974 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3975 break; 3976 } 3977 case DVD_REPORT_RPC: { 3978 struct scsi_report_key_data_rpc *rpc_data; 3979 3980 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3981 3982 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3983 RKD_RPC_TYPE_SHIFT; 3984 authinfo->vend_rsts = 3985 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3986 RKD_RPC_VENDOR_RESET_SHIFT; 3987 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3988 authinfo->region = rpc_data->region_mask; 3989 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3990 break; 3991 } 3992 case DVD_INVALIDATE_AGID: 3993 break; 3994 default: 3995 /* This should be impossible, since we checked above */ 3996 error = EINVAL; 3997 goto bailout; 3998 break; /* NOTREACHED */ 3999 } 4000 bailout: 4001 if (databuf != NULL) 4002 kfree(databuf, M_DEVBUF); 4003 4004 xpt_release_ccb(ccb); 4005 4006 return(error); 4007 } 4008 4009 static int 4010 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4011 { 4012 union ccb *ccb; 4013 u_int8_t *databuf; 4014 int length; 4015 int error; 4016 4017 error = 0; 4018 databuf = NULL; 4019 4020 ccb = cdgetccb(periph, /* priority */ 1); 4021 4022 switch(authinfo->format) { 4023 case DVD_SEND_CHALLENGE: { 4024 struct scsi_report_key_data_challenge *challenge_data; 4025 4026 length = sizeof(*challenge_data); 4027 4028 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4029 4030 databuf = (u_int8_t *)challenge_data; 4031 4032 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4033 challenge_data->data_len); 4034 4035 bcopy(authinfo->keychal, challenge_data->challenge_key, 4036 min(sizeof(authinfo->keychal), 4037 sizeof(challenge_data->challenge_key))); 4038 break; 4039 } 4040 case DVD_SEND_KEY2: { 4041 struct scsi_report_key_data_key1_key2 *key2_data; 4042 4043 length = sizeof(*key2_data); 4044 4045 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4046 4047 databuf = (u_int8_t *)key2_data; 4048 4049 scsi_ulto2b(length - sizeof(key2_data->data_len), 4050 key2_data->data_len); 4051 4052 bcopy(authinfo->keychal, key2_data->key1, 4053 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4054 4055 break; 4056 } 4057 case DVD_SEND_RPC: { 4058 struct scsi_send_key_data_rpc *rpc_data; 4059 4060 length = sizeof(*rpc_data); 4061 4062 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4063 4064 databuf = (u_int8_t *)rpc_data; 4065 4066 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4067 rpc_data->data_len); 4068 4069 rpc_data->region_code = authinfo->region; 4070 break; 4071 } 4072 default: 4073 error = EINVAL; 4074 goto bailout; 4075 break; /* NOTREACHED */ 4076 } 4077 4078 scsi_send_key(&ccb->csio, 4079 /* retries */ 1, 4080 /* cbfcnp */ cddone, 4081 /* tag_action */ MSG_SIMPLE_Q_TAG, 4082 /* agid */ authinfo->agid, 4083 /* key_format */ authinfo->format, 4084 /* data_ptr */ databuf, 4085 /* dxfer_len */ length, 4086 /* sense_len */ SSD_FULL_SIZE, 4087 /* timeout */ 50000); 4088 4089 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4090 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4091 4092 bailout: 4093 4094 if (databuf != NULL) 4095 kfree(databuf, M_DEVBUF); 4096 4097 xpt_release_ccb(ccb); 4098 4099 return(error); 4100 } 4101 4102 static int 4103 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4104 { 4105 union ccb *ccb; 4106 u_int8_t *databuf; 4107 u_int32_t address; 4108 int error; 4109 int length; 4110 4111 error = 0; 4112 databuf = NULL; 4113 /* The address is reserved for many of the formats */ 4114 address = 0; 4115 4116 ccb = cdgetccb(periph, /* priority */ 1); 4117 4118 switch(dvdstruct->format) { 4119 case DVD_STRUCT_PHYSICAL: 4120 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4121 break; 4122 case DVD_STRUCT_COPYRIGHT: 4123 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4124 break; 4125 case DVD_STRUCT_DISCKEY: 4126 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4127 break; 4128 case DVD_STRUCT_BCA: 4129 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4130 break; 4131 case DVD_STRUCT_MANUFACT: 4132 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4133 break; 4134 case DVD_STRUCT_CMI: 4135 error = ENODEV; 4136 goto bailout; 4137 #ifdef notyet 4138 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4139 address = dvdstruct->address; 4140 #endif 4141 break; /* NOTREACHED */ 4142 case DVD_STRUCT_PROTDISCID: 4143 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4144 break; 4145 case DVD_STRUCT_DISCKEYBLOCK: 4146 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4147 break; 4148 case DVD_STRUCT_DDS: 4149 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4150 break; 4151 case DVD_STRUCT_MEDIUM_STAT: 4152 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4153 break; 4154 case DVD_STRUCT_SPARE_AREA: 4155 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4156 break; 4157 case DVD_STRUCT_RMD_LAST: 4158 error = ENODEV; 4159 goto bailout; 4160 #ifdef notyet 4161 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4162 address = dvdstruct->address; 4163 #endif 4164 break; /* NOTREACHED */ 4165 case DVD_STRUCT_RMD_RMA: 4166 error = ENODEV; 4167 goto bailout; 4168 #ifdef notyet 4169 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4170 address = dvdstruct->address; 4171 #endif 4172 break; /* NOTREACHED */ 4173 case DVD_STRUCT_PRERECORDED: 4174 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4175 break; 4176 case DVD_STRUCT_UNIQUEID: 4177 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4178 break; 4179 case DVD_STRUCT_DCB: 4180 error = ENODEV; 4181 goto bailout; 4182 #ifdef notyet 4183 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4184 address = dvdstruct->address; 4185 #endif 4186 break; /* NOTREACHED */ 4187 case DVD_STRUCT_LIST: 4188 /* 4189 * This is the maximum allocation length for the READ DVD 4190 * STRUCTURE command. There's nothing in the MMC3 spec 4191 * that indicates a limit in the amount of data that can 4192 * be returned from this call, other than the limits 4193 * imposed by the 2-byte length variables. 4194 */ 4195 length = 65535; 4196 break; 4197 default: 4198 error = EINVAL; 4199 goto bailout; 4200 break; /* NOTREACHED */ 4201 } 4202 4203 if (length != 0) { 4204 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4205 } else { 4206 databuf = NULL; 4207 } 4208 4209 scsi_read_dvd_structure(&ccb->csio, 4210 /* retries */ 1, 4211 /* cbfcnp */ cddone, 4212 /* tag_action */ MSG_SIMPLE_Q_TAG, 4213 /* lba */ address, 4214 /* layer_number */ dvdstruct->layer_num, 4215 /* key_format */ dvdstruct->format, 4216 /* agid */ dvdstruct->agid, 4217 /* data_ptr */ databuf, 4218 /* dxfer_len */ length, 4219 /* sense_len */ SSD_FULL_SIZE, 4220 /* timeout */ 50000); 4221 4222 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4223 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4224 4225 if (error != 0) 4226 goto bailout; 4227 4228 switch(dvdstruct->format) { 4229 case DVD_STRUCT_PHYSICAL: { 4230 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4231 struct dvd_layer *outlayer; 4232 struct scsi_read_dvd_struct_data_physical *phys_data; 4233 4234 phys_data = 4235 (struct scsi_read_dvd_struct_data_physical *)databuf; 4236 inlayer = &phys_data->layer_desc; 4237 outlayer = (struct dvd_layer *)&dvdstruct->data; 4238 4239 dvdstruct->length = sizeof(*inlayer); 4240 4241 outlayer->book_type = (inlayer->book_type_version & 4242 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4243 outlayer->book_version = (inlayer->book_type_version & 4244 RDSD_BOOK_VERSION_MASK); 4245 outlayer->disc_size = (inlayer->disc_size_max_rate & 4246 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4247 outlayer->max_rate = (inlayer->disc_size_max_rate & 4248 RDSD_MAX_RATE_MASK); 4249 outlayer->nlayers = (inlayer->layer_info & 4250 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4251 outlayer->track_path = (inlayer->layer_info & 4252 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4253 outlayer->layer_type = (inlayer->layer_info & 4254 RDSD_LAYER_TYPE_MASK); 4255 outlayer->linear_density = (inlayer->density & 4256 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4257 outlayer->track_density = (inlayer->density & 4258 RDSD_TRACK_DENSITY_MASK); 4259 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4260 RDSD_BCA_SHIFT; 4261 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4262 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4263 outlayer->end_sector_l0 = 4264 scsi_3btoul(inlayer->end_sector_layer0); 4265 break; 4266 } 4267 case DVD_STRUCT_COPYRIGHT: { 4268 struct scsi_read_dvd_struct_data_copyright *copy_data; 4269 4270 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4271 databuf; 4272 4273 dvdstruct->cpst = copy_data->cps_type; 4274 dvdstruct->rmi = copy_data->region_info; 4275 dvdstruct->length = 0; 4276 4277 break; 4278 } 4279 default: 4280 /* 4281 * Tell the user what the overall length is, no matter 4282 * what we can actually fit in the data buffer. 4283 */ 4284 dvdstruct->length = length - ccb->csio.resid - 4285 sizeof(struct scsi_read_dvd_struct_data_header); 4286 4287 /* 4288 * But only actually copy out the smaller of what we read 4289 * in or what the structure can take. 4290 */ 4291 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4292 dvdstruct->data, 4293 min(sizeof(dvdstruct->data), dvdstruct->length)); 4294 break; 4295 } 4296 bailout: 4297 4298 if (databuf != NULL) 4299 kfree(databuf, M_DEVBUF); 4300 4301 xpt_release_ccb(ccb); 4302 4303 return(error); 4304 } 4305 4306 void 4307 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4308 void (*cbfcnp)(struct cam_periph *, union ccb *), 4309 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4310 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4311 u_int8_t sense_len, u_int32_t timeout) 4312 { 4313 struct scsi_report_key *scsi_cmd; 4314 4315 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4316 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4317 scsi_cmd->opcode = REPORT_KEY; 4318 scsi_ulto4b(lba, scsi_cmd->lba); 4319 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4320 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4321 (key_format & RK_KF_KEYFORMAT_MASK); 4322 4323 cam_fill_csio(csio, 4324 retries, 4325 cbfcnp, 4326 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4327 tag_action, 4328 /*data_ptr*/ data_ptr, 4329 /*dxfer_len*/ dxfer_len, 4330 sense_len, 4331 sizeof(*scsi_cmd), 4332 timeout); 4333 } 4334 4335 void 4336 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4337 void (*cbfcnp)(struct cam_periph *, union ccb *), 4338 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4339 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4340 u_int32_t timeout) 4341 { 4342 struct scsi_send_key *scsi_cmd; 4343 4344 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4345 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4346 scsi_cmd->opcode = SEND_KEY; 4347 4348 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4349 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4350 (key_format & RK_KF_KEYFORMAT_MASK); 4351 4352 cam_fill_csio(csio, 4353 retries, 4354 cbfcnp, 4355 /*flags*/ CAM_DIR_OUT, 4356 tag_action, 4357 /*data_ptr*/ data_ptr, 4358 /*dxfer_len*/ dxfer_len, 4359 sense_len, 4360 sizeof(*scsi_cmd), 4361 timeout); 4362 } 4363 4364 4365 void 4366 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4367 void (*cbfcnp)(struct cam_periph *, union ccb *), 4368 u_int8_t tag_action, u_int32_t address, 4369 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4370 u_int8_t *data_ptr, u_int32_t dxfer_len, 4371 u_int8_t sense_len, u_int32_t timeout) 4372 { 4373 struct scsi_read_dvd_structure *scsi_cmd; 4374 4375 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4376 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4377 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4378 4379 scsi_ulto4b(address, scsi_cmd->address); 4380 scsi_cmd->layer_number = layer_number; 4381 scsi_cmd->format = format; 4382 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4383 /* The AGID is the top two bits of this byte */ 4384 scsi_cmd->agid = agid << 6; 4385 4386 cam_fill_csio(csio, 4387 retries, 4388 cbfcnp, 4389 /*flags*/ CAM_DIR_IN, 4390 tag_action, 4391 /*data_ptr*/ data_ptr, 4392 /*dxfer_len*/ dxfer_len, 4393 sense_len, 4394 sizeof(*scsi_cmd), 4395 timeout); 4396 } 4397