1/*- 2 * Copyright (c) 1997 Justin T. Gibbs. 3 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 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: --- 32 unchanged lines hidden (view full) --- 41 * functioning of this software in any circumstances. 42 * 43 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 44 * 45 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 46 */ 47 48#include <sys/cdefs.h> |
49__FBSDID("$FreeBSD: head/sys/cam/scsi/scsi_cd.c 168752 2007-04-15 08:49:19Z scottl $"); |
50 51#include "opt_cd.h" 52 53#include <sys/param.h> 54#include <sys/systm.h> 55#include <sys/kernel.h> 56#include <sys/bio.h> 57#include <sys/conf.h> --- 7 unchanged lines hidden (view full) --- 65#include <sys/taskqueue.h> 66#include <geom/geom_disk.h> 67 68#include <cam/cam.h> 69#include <cam/cam_ccb.h> 70#include <cam/cam_periph.h> 71#include <cam/cam_xpt_periph.h> 72#include <cam/cam_queue.h> |
73#include <cam/cam_sim.h> |
74 75#include <cam/scsi/scsi_message.h> 76#include <cam/scsi/scsi_da.h> 77#include <cam/scsi/scsi_cd.h> 78 79#define LEADOUT 0xaa /* leadout toc entry */ 80 81struct cd_params { --- 17 unchanged lines hidden (view full) --- 99 CD_FLAG_DISC_REMOVABLE = 0x0008, 100 CD_FLAG_TAGGED_QUEUING = 0x0010, 101 CD_FLAG_CHANGER = 0x0040, 102 CD_FLAG_ACTIVE = 0x0080, 103 CD_FLAG_SCHED_ON_COMP = 0x0100, 104 CD_FLAG_RETRY_UA = 0x0200, 105 CD_FLAG_VALID_MEDIA = 0x0400, 106 CD_FLAG_VALID_TOC = 0x0800, |
107 CD_FLAG_SCTX_INIT = 0x1000, 108 CD_FLAG_OPEN = 0x2000 |
109} cd_flags; 110 111typedef enum { 112 CD_CCB_PROBE = 0x01, 113 CD_CCB_BUFFER_IO = 0x02, 114 CD_CCB_WAITING = 0x03, 115 CD_CCB_TYPE_MASK = 0x0F, 116 CD_CCB_RETRY_UA = 0x10 --- 170 unchanged lines hidden (view full) --- 287static struct periph_driver cddriver = 288{ 289 cdinit, "cd", 290 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 291}; 292 293PERIPHDRIVER_DECLARE(cd, cddriver); 294 |
295#ifndef CHANGER_MIN_BUSY_SECONDS 296#define CHANGER_MIN_BUSY_SECONDS 5 297#endif 298#ifndef CHANGER_MAX_BUSY_SECONDS 299#define CHANGER_MAX_BUSY_SECONDS 15 300#endif 301 302static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; --- 10 unchanged lines hidden (view full) --- 313 314struct cdchanger { 315 path_id_t path_id; 316 target_id_t target_id; 317 int num_devices; 318 struct camq devq; 319 struct timeval start_time; 320 struct cd_softc *cur_device; |
321 struct callout short_handle; 322 struct callout long_handle; |
323 volatile cd_changer_flags flags; 324 STAILQ_ENTRY(cdchanger) changer_links; 325 STAILQ_HEAD(chdevlist, cd_softc) chluns; 326}; 327 |
328static struct mtx changerq_mtx; |
329static STAILQ_HEAD(changerlist, cdchanger) changerq; |
330static int num_changers; |
331 |
332static void 333cdinit(void) 334{ 335 cam_status status; 336 struct cam_path *path; 337 |
338 mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); 339 STAILQ_INIT(&changerq); 340 |
341 /* 342 * Install a global async callback. This callback will 343 * receive async callbacks like "new device found". 344 */ 345 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 346 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 347 348 if (status == CAM_REQ_CMP) { --- 13 unchanged lines hidden (view full) --- 362 printf("cd: Failed to attach master async callback " 363 "due to status 0x%x!\n", status); 364 } 365} 366 367static void 368cdoninvalidate(struct cam_periph *periph) 369{ |
370 struct cd_softc *softc; 371 struct ccb_setasync csa; 372 373 softc = (struct cd_softc *)periph->softc; 374 375 /* 376 * De-register any async callbacks. 377 */ 378 xpt_setup_ccb(&csa.ccb_h, periph->path, 379 /* priority */ 5); 380 csa.ccb_h.func_code = XPT_SASYNC_CB; 381 csa.event_enable = 0; 382 csa.callback = cdasync; 383 csa.callback_arg = periph; 384 xpt_action((union ccb *)&csa); 385 386 softc->flags |= CD_FLAG_INVALID; 387 388 /* |
389 * Return all queued I/O with ENXIO. 390 * XXX Handle any transactions queued to the card 391 * with XPT_ABORT_CCB. 392 */ 393 bioq_flush(&softc->bio_queue, NULL, ENXIO); |
394 395 /* 396 * If this device is part of a changer, and it was scheduled 397 * to run, remove it from the run queue since we just nuked 398 * all of its scheduled I/O. 399 */ 400 if ((softc->flags & CD_FLAG_CHANGER) 401 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 402 camq_remove(&softc->changer->devq, softc->pinfo.index); 403 404 disk_gone(softc->disk); 405 xpt_print(periph->path, "lost device\n"); 406} 407 408static void 409cdcleanup(struct cam_periph *periph) 410{ 411 struct cd_softc *softc; |
412 413 softc = (struct cd_softc *)periph->softc; 414 415 xpt_print(periph->path, "removing device entry\n"); 416 417 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 418 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 419 xpt_print(periph->path, "can't remove sysctl context\n"); 420 } 421 |
422 /* 423 * In the queued, non-active case, the device in question 424 * has already been removed from the changer run queue. Since this 425 * device is active, we need to de-activate it, and schedule 426 * another device to run. (if there is another one to run) 427 */ 428 if ((softc->flags & CD_FLAG_CHANGER) 429 && (softc->flags & CD_FLAG_ACTIVE)) { --- 13 unchanged lines hidden (view full) --- 443 * bogus pointer reference. 444 * 445 * The long timeout doesn't really matter, since we 446 * decrement the qfrozen_cnt to indicate that there is 447 * nothing in the active slot now. Therefore, there won't 448 * be any bogus pointer references there. 449 */ 450 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { |
451 callout_stop(&softc->changer->short_handle); |
452 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 453 } 454 softc->changer->devq.qfrozen_cnt--; 455 softc->changer->flags |= CHANGER_MANUAL_CALL; 456 cdrunchangerqueue(softc->changer); 457 } 458 459 /* --- 4 unchanged lines hidden (view full) --- 464 && (--softc->changer->num_devices == 0)) { 465 466 /* 467 * Theoretically, there shouldn't be any timeouts left, but 468 * I'm not completely sure that that will be the case. So, 469 * it won't hurt to check and see if there are any left. 470 */ 471 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { |
472 callout_stop(&softc->changer->long_handle); |
473 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 474 } 475 476 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { |
477 callout_stop(&softc->changer->short_handle); |
478 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 479 } 480 |
481 mtx_lock(&changerq_mtx); |
482 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 483 changer_links); |
484 num_changers--; 485 mtx_unlock(&changerq_mtx); |
486 xpt_print(periph->path, "removing changer entry\n"); 487 free(softc->changer, M_DEVBUF); |
488 } 489 disk_destroy(softc->disk); 490 free(softc, M_DEVBUF); |
491} 492 493static void 494cdasync(void *callback_arg, u_int32_t code, 495 struct cam_path *path, void *arg) 496{ 497 struct cam_periph *periph; 498 --- 30 unchanged lines hidden (view full) --- 529 530 break; 531 } 532 case AC_SENT_BDR: 533 case AC_BUS_RESET: 534 { 535 struct cd_softc *softc; 536 struct ccb_hdr *ccbh; |
537 538 softc = (struct cd_softc *)periph->softc; |
539 /* 540 * Don't fail on the expected unit attention 541 * that will occur. 542 */ 543 softc->flags |= CD_FLAG_RETRY_UA; 544 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 545 ccbh->ccb_state |= CD_CCB_RETRY_UA; |
546 /* FALLTHROUGH */ 547 } 548 default: 549 cam_periph_async(periph, code, path, arg); 550 break; 551 } 552} 553 554static void 555cdsysctlinit(void *context, int pending) 556{ 557 struct cam_periph *periph; 558 struct cd_softc *softc; 559 char tmpstr[80], tmpstr2[80]; 560 561 periph = (struct cam_periph *)context; |
562 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 563 return; |
564 |
565 softc = (struct cd_softc *)periph->softc; |
566 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 567 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 568 569 mtx_lock(&Giant); 570 571 sysctl_ctx_init(&softc->sysctl_ctx); 572 softc->flags |= CD_FLAG_SCTX_INIT; 573 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 574 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 575 tmpstr2, CTLFLAG_RD, 0, tmpstr); 576 577 if (softc->sysctl_tree == NULL) { 578 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 579 mtx_unlock(&Giant); |
580 cam_periph_release(periph); |
581 return; 582 } 583 584 /* 585 * Now register the sysctl handler, so the user can the value on 586 * the fly. 587 */ 588 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 589 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 590 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 591 "Minimum CDB size"); 592 593 mtx_unlock(&Giant); |
594 cam_periph_release(periph); |
595} 596 597/* 598 * We have a handler function for this so we can check the values when the 599 * user sets them, instead of every time we look at them. 600 */ 601static int 602cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) --- 117 unchanged lines hidden (view full) --- 720 * yet. Unlike other SCSI peripheral drivers, we explicitly set 721 * the device type here to be CDROM, rather than just ORing in 722 * the device type. This is because this driver can attach to either 723 * CDROM or WORM devices, and we want this peripheral driver to 724 * show up in the devstat list as a CD peripheral driver, not a 725 * WORM peripheral driver. WORM drives will also have the WORM 726 * driver attached to them. 727 */ |
728 cam_periph_unlock(periph); |
729 softc->disk = disk_alloc(); 730 softc->disk->d_devstat = devstat_new_entry("cd", 731 periph->unit_number, 0, 732 DEVSTAT_BS_UNAVAILABLE, 733 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 734 DEVSTAT_PRIORITY_CD); 735 softc->disk->d_open = cdopen; 736 softc->disk->d_close = cdclose; 737 softc->disk->d_strategy = cdstrategy; 738 softc->disk->d_ioctl = cdioctl; 739 softc->disk->d_name = "cd"; 740 softc->disk->d_unit = periph->unit_number; 741 softc->disk->d_drv1 = periph; |
742 softc->disk->d_flags = 0; |
743 disk_create(softc->disk, DISK_VERSION); |
744 cam_periph_lock(periph); |
745 746 /* 747 * Add an async callback so that we get 748 * notified if this device goes away. 749 */ 750 xpt_setup_ccb(&csa.ccb_h, periph->path, 751 /* priority */ 5); 752 csa.ccb_h.func_code = XPT_SASYNC_CB; --- 18 unchanged lines hidden (view full) --- 771 struct cam_periph *nperiph; 772 struct cam_path *path; 773 cam_status status; 774 int found; 775 776 /* Set the changer flag in the current device's softc */ 777 softc->flags |= CD_FLAG_CHANGER; 778 |
779 /* 780 * Now, look around for an existing changer device with the 781 * same path and target ID as the current device. 782 */ |
783 mtx_lock(&changerq_mtx); |
784 for (found = 0, 785 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 786 nchanger != NULL; 787 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 788 if ((nchanger->path_id == cgd->ccb_h.path_id) 789 && (nchanger->target_id == cgd->ccb_h.target_id)) { 790 found = 1; 791 break; 792 } 793 } |
794 mtx_unlock(&changerq_mtx); |
795 796 /* 797 * If we found a matching entry, just add this device to 798 * the list of devices on this changer. 799 */ 800 if (found == 1) { 801 struct chdevlist *chlunhead; 802 --- 89 unchanged lines hidden (view full) --- 892 893 if (camq_init(&nchanger->devq, 1) != 0) { 894 softc->flags &= ~CD_FLAG_CHANGER; 895 printf("cdregister: changer support " 896 "disabled\n"); 897 goto cdregisterexit; 898 } 899 |
900 nchanger->path_id = cgd->ccb_h.path_id; 901 nchanger->target_id = cgd->ccb_h.target_id; 902 903 /* this is superfluous, but it makes things clearer */ 904 nchanger->num_devices = 0; 905 906 STAILQ_INIT(&nchanger->chluns); 907 |
908 callout_init_mtx(&nchanger->long_handle, 909 periph->sim->mtx, 0); 910 callout_init_mtx(&nchanger->short_handle, 911 periph->sim->mtx, 0); 912 913 mtx_lock(&changerq_mtx); 914 num_changers++; |
915 STAILQ_INSERT_TAIL(&changerq, nchanger, 916 changer_links); |
917 mtx_unlock(&changerq_mtx); |
918 919 /* 920 * Create a path with lun id 0, and see if we can 921 * find a matching device 922 */ 923 status = xpt_create_path(&path, /*periph*/ periph, 924 cgd->ccb_h.path_id, 925 cgd->ccb_h.target_id, 0); --- 45 unchanged lines hidden (view full) --- 971 } 972 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 973 changer_links); 974 } 975 } 976 977cdregisterexit: 978 |
979 /* 980 * Refcount and block open attempts until we are setup 981 * Can't block 982 */ 983 (void)cam_periph_hold(periph, PRIBIO); |
984 985 if ((softc->flags & CD_FLAG_CHANGER) == 0) 986 xpt_schedule(periph, /*priority*/5); 987 else 988 cdschedule(periph, /*priority*/ 5); 989 990 return(CAM_REQ_CMP); 991} 992 993static int 994cdopen(struct disk *dp) 995{ 996 struct cam_periph *periph; 997 struct cd_softc *softc; 998 int error; |
999 1000 periph = (struct cam_periph *)dp->d_drv1; 1001 if (periph == NULL) 1002 return (ENXIO); 1003 1004 softc = (struct cd_softc *)periph->softc; 1005 |
1006 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1007 return(ENXIO); 1008 1009 cam_periph_lock(periph); 1010 |
1011 if (softc->flags & CD_FLAG_INVALID) { |
1012 cam_periph_unlock(periph); 1013 cam_periph_release(periph); |
1014 return(ENXIO); 1015 } 1016 |
1017 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1018 cam_periph_unlock(periph); 1019 cam_periph_release(periph); |
1020 return (error); 1021 } 1022 |
1023 /* Closes aren't symmetrical with opens, so fix up the refcounting. */ 1024 if (softc->flags & CD_FLAG_OPEN) 1025 cam_periph_release(periph); 1026 else 1027 softc->flags |= CD_FLAG_OPEN; |
1028 |
1029 /* 1030 * Check for media, and set the appropriate flags. We don't bail 1031 * if we don't have media, but then we don't allow anything but the 1032 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1033 */ 1034 cdcheckmedia(periph); 1035 |
1036 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1037 cam_periph_unhold(periph); |
1038 cam_periph_unlock(periph); 1039 |
1040 return (0); |
1041} 1042 1043static int 1044cdclose(struct disk *dp) 1045{ 1046 struct cam_periph *periph; 1047 struct cd_softc *softc; |
1048 1049 periph = (struct cam_periph *)dp->d_drv1; 1050 if (periph == NULL) 1051 return (ENXIO); 1052 1053 softc = (struct cd_softc *)periph->softc; 1054 |
1055 cam_periph_lock(periph); 1056 cam_periph_hold(periph, PRIBIO); |
1057 1058 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1059 cdprevent(periph, PR_ALLOW); 1060 1061 /* 1062 * Since we're closing this CD, mark the blocksize as unavailable. 1063 * It will be marked as available when the CD is opened again. 1064 */ 1065 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1066 1067 /* 1068 * We'll check the media and toc again at the next open(). 1069 */ |
1070 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC|CD_FLAG_OPEN); |
1071 |
1072 cam_periph_unhold(periph); |
1073 cam_periph_unlock(periph); 1074 cam_periph_release(periph); 1075 1076 return (0); 1077} 1078 1079static void 1080cdshorttimeout(void *arg) 1081{ 1082 struct cdchanger *changer; |
1083 |
1084 changer = (struct cdchanger *)arg; 1085 1086 /* Always clear the short timeout flag, since that's what we're in */ 1087 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1088 1089 /* 1090 * Check to see if there is any more pending or outstanding I/O for 1091 * this device. If not, move it out of the active slot. 1092 */ 1093 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1094 && (changer->cur_device->outstanding_cmds == 0)) { 1095 changer->flags |= CHANGER_MANUAL_CALL; 1096 cdrunchangerqueue(changer); 1097 } |
1098} 1099 1100/* 1101 * This is a wrapper for xpt_schedule. It only applies to changers. 1102 */ 1103static void 1104cdschedule(struct cam_periph *periph, int priority) 1105{ 1106 struct cd_softc *softc; |
1107 |
1108 softc = (struct cd_softc *)periph->softc; 1109 1110 /* 1111 * If this device isn't currently queued, and if it isn't 1112 * the active device, then we queue this device and run the 1113 * changer queue if there is no timeout scheduled to do it. 1114 * If this device is the active device, just schedule it 1115 * to run again. If this device is queued, there should be --- 21 unchanged lines hidden (view full) --- 1137 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1138 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1139 softc->changer->flags |= CHANGER_MANUAL_CALL; 1140 cdrunchangerqueue(softc->changer); 1141 } 1142 } else if ((softc->flags & CD_FLAG_ACTIVE) 1143 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1144 xpt_schedule(periph, priority); |
1145} 1146 1147static void 1148cdrunchangerqueue(void *arg) 1149{ 1150 struct cd_softc *softc; 1151 struct cdchanger *changer; 1152 int called_from_timeout; |
1153 |
1154 changer = (struct cdchanger *)arg; 1155 1156 /* 1157 * If we have NOT been called from cdstrategy() or cddone(), and 1158 * instead from a timeout routine, go ahead and clear the 1159 * timeout flag. 1160 */ 1161 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1162 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1163 called_from_timeout = 1; 1164 } else 1165 called_from_timeout = 0; 1166 1167 /* Always clear the manual call flag */ 1168 changer->flags &= ~CHANGER_MANUAL_CALL; 1169 1170 /* nothing to do if the queue is empty */ 1171 if (changer->devq.entries <= 0) { |
1172 return; 1173 } 1174 1175 /* 1176 * If the changer queue is frozen, that means we have an active 1177 * device. 1178 */ 1179 if (changer->devq.qfrozen_cnt > 0) { 1180 |
1181 /* 1182 * We always need to reset the frozen count and clear the 1183 * active flag. 1184 */ 1185 changer->devq.qfrozen_cnt--; 1186 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1187 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1188 |
1189 if (changer->cur_device->outstanding_cmds > 0) { 1190 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1191 changer->cur_device->bufs_left = 1192 changer->cur_device->outstanding_cmds; 1193 if (called_from_timeout) { |
1194 callout_reset(&changer->long_handle, 1195 changer_max_busy_seconds * hz, 1196 cdrunchangerqueue, changer); |
1197 changer->flags |= CHANGER_TIMEOUT_SCHED; 1198 } |
1199 return; 1200 } 1201 1202 /* |
1203 * Check to see whether the current device has any I/O left 1204 * to do. If so, requeue it at the end of the queue. If 1205 * not, there is no need to requeue it. 1206 */ 1207 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1208 1209 changer->cur_device->pinfo.generation = 1210 ++changer->devq.generation; --- 13 unchanged lines hidden (view full) --- 1224 wakeup(&softc->changer); 1225 xpt_schedule(softc->periph, /*priority*/ 1); 1226 1227 /* 1228 * Get rid of any pending timeouts, and set a flag to schedule new 1229 * ones so this device gets its full time quantum. 1230 */ 1231 if (changer->flags & CHANGER_TIMEOUT_SCHED) { |
1232 callout_stop(&changer->long_handle); |
1233 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1234 } 1235 1236 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { |
1237 callout_stop(&changer->short_handle); |
1238 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1239 } 1240 1241 /* 1242 * We need to schedule timeouts, but we only do this after the 1243 * first transaction has completed. This eliminates the changer 1244 * switch time. 1245 */ 1246 changer->flags |= CHANGER_NEED_TIMEOUT; |
1247} 1248 1249static void 1250cdchangerschedule(struct cd_softc *softc) 1251{ 1252 struct cdchanger *changer; |
1253 |
1254 changer = softc->changer; 1255 1256 /* 1257 * If this is a changer, and this is the current device, 1258 * and this device has at least the minimum time quantum to 1259 * run, see if we can switch it out. 1260 */ 1261 if ((softc->flags & CD_FLAG_ACTIVE) --- 28 unchanged lines hidden (view full) --- 1290 && (softc->flags & CD_FLAG_ACTIVE)) { 1291 1292 /* 1293 * Now that the first transaction to this 1294 * particular device has completed, we can go ahead 1295 * and schedule our timeouts. 1296 */ 1297 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { |
1298 callout_reset(&changer->long_handle, 1299 changer_max_busy_seconds * hz, 1300 cdrunchangerqueue, changer); |
1301 changer->flags |= CHANGER_TIMEOUT_SCHED; 1302 } else 1303 printf("cdchangerschedule: already have a long" 1304 " timeout!\n"); 1305 1306 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { |
1307 callout_reset(&changer->short_handle, 1308 changer_min_busy_seconds * hz, 1309 cdshorttimeout, changer); |
1310 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1311 } else 1312 printf("cdchangerschedule: already have a short " 1313 "timeout!\n"); 1314 1315 /* 1316 * We just scheduled timeouts, no need to schedule 1317 * more. 1318 */ 1319 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1320 1321 } |
1322} 1323 1324static int 1325cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1326 u_int32_t cam_flags, 1327 u_int32_t sense_flags), 1328 u_int32_t cam_flags, u_int32_t sense_flags) 1329{ --- 12 unchanged lines hidden (view full) --- 1342 1343 return(error); 1344} 1345 1346static union ccb * 1347cdgetccb(struct cam_periph *periph, u_int32_t priority) 1348{ 1349 struct cd_softc *softc; |
1350 1351 softc = (struct cd_softc *)periph->softc; 1352 1353 if (softc->flags & CD_FLAG_CHANGER) { |
1354 /* 1355 * This should work the first time this device is woken up, 1356 * but just in case it doesn't, we use a while loop. 1357 */ 1358 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1359 /* 1360 * If this changer isn't already queued, queue it up. 1361 */ --- 6 unchanged lines hidden (view full) --- 1368 } 1369 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1370 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1371 && ((softc->changer->flags 1372 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1373 softc->changer->flags |= CHANGER_MANUAL_CALL; 1374 cdrunchangerqueue(softc->changer); 1375 } else |
1376 msleep(&softc->changer, periph->sim->mtx, 1377 PRIBIO, "cgticb", 0); |
1378 } |
1379 } 1380 return(cam_periph_getccb(periph, priority)); 1381} 1382 1383 1384/* 1385 * Actually translate the requested transfer into one the physical driver 1386 * can understand. The transfer is described by a buf and will include 1387 * only one physical transfer. 1388 */ 1389static void 1390cdstrategy(struct bio *bp) 1391{ 1392 struct cam_periph *periph; 1393 struct cd_softc *softc; |
1394 1395 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1396 if (periph == NULL) { 1397 biofinish(bp, NULL, ENXIO); 1398 return; 1399 } 1400 |
1401 cam_periph_lock(periph); |
1402 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1403 1404 softc = (struct cd_softc *)periph->softc; 1405 1406 /* |
1407 * If the device has been made invalid, error out 1408 */ 1409 if ((softc->flags & CD_FLAG_INVALID)) { |
1410 cam_periph_unlock(periph); |
1411 biofinish(bp, NULL, ENXIO); 1412 return; 1413 } 1414 1415 /* 1416 * If we don't have valid media, look for it before trying to 1417 * schedule the I/O. 1418 */ 1419 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1420 int error; 1421 1422 error = cdcheckmedia(periph); 1423 if (error != 0) { |
1424 cam_periph_unlock(periph); |
1425 biofinish(bp, NULL, error); 1426 return; 1427 } 1428 } 1429 1430 /* 1431 * Place it in the queue of disk activities for this disk 1432 */ 1433 bioq_disksort(&softc->bio_queue, bp); 1434 |
1435 /* 1436 * Schedule ourselves for performing the work. We do things 1437 * differently for changers. 1438 */ 1439 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1440 xpt_schedule(periph, /* XXX priority */1); 1441 else 1442 cdschedule(periph, /* priority */ 1); 1443 |
1444 cam_periph_unlock(periph); |
1445 return; 1446} 1447 1448static void 1449cdstart(struct cam_periph *periph, union ccb *start_ccb) 1450{ 1451 struct cd_softc *softc; 1452 struct bio *bp; 1453 struct ccb_scsiio *csio; 1454 struct scsi_read_capacity_data *rcap; |
1455 1456 softc = (struct cd_softc *)periph->softc; 1457 1458 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1459 1460 switch (softc->state) { 1461 case CD_STATE_NORMAL: 1462 { |
1463 bp = bioq_first(&softc->bio_queue); 1464 if (periph->immediate_priority <= periph->pinfo.priority) { 1465 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1466 1467 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1468 periph_links.sle); 1469 periph->immediate_priority = CAM_PRIORITY_NONE; |
1470 wakeup(&periph->ccb_list); 1471 } else if (bp == NULL) { |
1472 xpt_release_ccb(start_ccb); 1473 } else { 1474 bioq_remove(&softc->bio_queue, bp); 1475 1476 devstat_start_transaction_bio(softc->disk->d_devstat, bp); 1477 1478 scsi_read_write(&start_ccb->csio, 1479 /*retries*/4, --- 7 unchanged lines hidden (view full) --- 1487 bp->bio_bcount / softc->params.blksize, 1488 /* data_ptr */ bp->bio_data, 1489 /* dxfer_len */ bp->bio_bcount, 1490 /* sense_len */ SSD_FULL_SIZE, 1491 /* timeout */ 30000); 1492 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1493 1494 |
1495 LIST_INSERT_HEAD(&softc->pending_ccbs, 1496 &start_ccb->ccb_h, periph_links.le); 1497 softc->outstanding_cmds++; |
1498 1499 /* We expect a unit attention from this device */ 1500 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1501 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1502 softc->flags &= ~CD_FLAG_RETRY_UA; 1503 } 1504 1505 start_ccb->ccb_h.ccb_bp = bp; 1506 bp = bioq_first(&softc->bio_queue); |
1507 1508 xpt_action(start_ccb); 1509 } 1510 if (bp != NULL) { 1511 /* Have more work to do, so ensure we stay scheduled */ 1512 xpt_schedule(periph, /* XXX priority */1); 1513 } 1514 break; --- 37 unchanged lines hidden (view full) --- 1552 softc = (struct cd_softc *)periph->softc; 1553 csio = &done_ccb->csio; 1554 1555 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1556 case CD_CCB_BUFFER_IO: 1557 { 1558 struct bio *bp; 1559 int error; |
1560 1561 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1562 error = 0; 1563 1564 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1565 int sf; 1566 1567 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) --- 7 unchanged lines hidden (view full) --- 1575 * A retry was scheuled, so 1576 * just return. 1577 */ 1578 return; 1579 } 1580 } 1581 1582 if (error != 0) { |
1583 xpt_print(periph->path, 1584 "cddone: got error %#x back\n", error); |
1585 bioq_flush(&softc->bio_queue, NULL, EIO); |
1586 bp->bio_resid = bp->bio_bcount; 1587 bp->bio_error = error; 1588 bp->bio_flags |= BIO_ERROR; 1589 cam_release_devq(done_ccb->ccb_h.path, 1590 /*relsim_flags*/0, 1591 /*reduction*/0, 1592 /*timeout*/0, 1593 /*getcount_only*/0); --- 6 unchanged lines hidden (view full) --- 1600 * Short transfer ??? 1601 * XXX: not sure this is correct for partial 1602 * transfers at EOM 1603 */ 1604 bp->bio_flags |= BIO_ERROR; 1605 } 1606 } 1607 |
1608 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1609 softc->outstanding_cmds--; |
1610 1611 if (softc->flags & CD_FLAG_CHANGER) 1612 cdchangerschedule(softc); 1613 1614 biofinish(bp, NULL, 0); 1615 break; 1616 } 1617 case CD_CCB_PROBE: --- 174 unchanged lines hidden (view full) --- 1792 * Since our peripheral may be invalidated by an error 1793 * above or an external event, we must release our CCB 1794 * before releasing the probe lock on the peripheral. 1795 * The peripheral will only go away once the last lock 1796 * is removed, and we need it around for the CCB release 1797 * operation. 1798 */ 1799 xpt_release_ccb(done_ccb); |
1800 cam_periph_unhold(periph); |
1801 return; 1802 } 1803 case CD_CCB_WAITING: 1804 { 1805 /* Caller will release the CCB */ 1806 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1807 ("trying to wakeup ccbwait\n")); 1808 --- 36 unchanged lines hidden (view full) --- 1845} 1846 1847static int 1848cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1849{ 1850 1851 struct cam_periph *periph; 1852 struct cd_softc *softc; |
1853 int nocopyout, error = 0; |
1854 1855 periph = (struct cam_periph *)dp->d_drv1; 1856 if (periph == NULL) 1857 return(ENXIO); 1858 |
1859 cam_periph_lock(periph); |
1860 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1861 1862 softc = (struct cd_softc *)periph->softc; 1863 1864 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1865 ("trying to do ioctl %#lx\n", cmd)); 1866 |
1867 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1868 cam_periph_unlock(periph); 1869 cam_periph_release(periph); 1870 return (error); 1871 } |
1872 |
1873 /* 1874 * If we don't have media loaded, check for it. If still don't 1875 * have media loaded, we can only do a load or eject. 1876 * 1877 * We only care whether media is loaded if this is a cd-specific ioctl 1878 * (thus the IOCGROUP check below). Note that this will break if 1879 * anyone adds any ioctls into the switch statement below that don't 1880 * have their ioctl group set to 'c'. 1881 */ 1882 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1883 && ((cmd != CDIOCCLOSE) 1884 && (cmd != CDIOCEJECT)) 1885 && (IOCGROUP(cmd) == 'c')) { 1886 error = cdcheckmedia(periph); |
1887 } |
1888 /* 1889 * Drop the lock here so later mallocs can use WAITOK. The periph 1890 * is essentially locked still with the cam_periph_hold call above. 1891 */ 1892 cam_periph_unlock(periph); 1893 if (error != 0) 1894 return (error); |
1895 1896 nocopyout = 0; 1897 switch (cmd) { 1898 1899 case CDIOCPLAYTRACKS: 1900 { 1901 struct ioc_play_track *args 1902 = (struct ioc_play_track *) addr; 1903 struct cd_mode_params params; 1904 union cd_pages *page; 1905 1906 params.alloc_len = sizeof(union cd_mode_data_6_10); 1907 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1908 M_WAITOK | M_ZERO); 1909 |
1910 cam_periph_lock(periph); |
1911 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1912 ("trying to do CDIOCPLAYTRACKS\n")); 1913 1914 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1915 if (error) { 1916 free(params.mode_buf, M_TEMP); |
1917 cam_periph_unlock(periph); |
1918 break; 1919 } 1920 page = cdgetpage(¶ms); 1921 1922 page->audio.flags &= ~CD_PA_SOTC; 1923 page->audio.flags |= CD_PA_IMMED; 1924 error = cdsetmode(periph, ¶ms); 1925 free(params.mode_buf, M_TEMP); |
1926 if (error) { 1927 cam_periph_unlock(periph); |
1928 break; |
1929 } |
1930 1931 /* 1932 * This was originally implemented with the PLAY 1933 * AUDIO TRACK INDEX command, but that command was 1934 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1935 * drives support it but ATAPI and ATAPI-derivative 1936 * drives don't seem to support it. So we keep a 1937 * cache of the table of contents and translate --- 45 unchanged lines hidden (view full) --- 1983 bin2bcd(args->end_track); 1984 } 1985 error = cdplaytracks(periph, 1986 args->start_track, 1987 args->start_index, 1988 args->end_track, 1989 args->end_index); 1990 } |
1991 cam_periph_unlock(periph); |
1992 } 1993 break; 1994 case CDIOCPLAYMSF: 1995 { 1996 struct ioc_play_msf *args 1997 = (struct ioc_play_msf *) addr; 1998 struct cd_mode_params params; 1999 union cd_pages *page; 2000 2001 params.alloc_len = sizeof(union cd_mode_data_6_10); 2002 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2003 M_WAITOK | M_ZERO); 2004 |
2005 cam_periph_lock(periph); |
2006 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2007 ("trying to do CDIOCPLAYMSF\n")); 2008 2009 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2010 if (error) { 2011 free(params.mode_buf, M_TEMP); |
2012 cam_periph_unlock(periph); |
2013 break; 2014 } 2015 page = cdgetpage(¶ms); 2016 2017 page->audio.flags &= ~CD_PA_SOTC; 2018 page->audio.flags |= CD_PA_IMMED; 2019 error = cdsetmode(periph, ¶ms); 2020 free(params.mode_buf, M_TEMP); |
2021 if (error) { 2022 cam_periph_unlock(periph); |
2023 break; |
2024 } |
2025 error = cdplaymsf(periph, 2026 args->start_m, 2027 args->start_s, 2028 args->start_f, 2029 args->end_m, 2030 args->end_s, 2031 args->end_f); |
2032 cam_periph_unlock(periph); |
2033 } 2034 break; 2035 case CDIOCPLAYBLOCKS: 2036 { 2037 struct ioc_play_blocks *args 2038 = (struct ioc_play_blocks *) addr; 2039 struct cd_mode_params params; 2040 union cd_pages *page; 2041 |
2042 params.alloc_len = sizeof(union cd_mode_data_6_10); 2043 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2044 M_WAITOK | M_ZERO); 2045 |
2046 cam_periph_lock(periph); 2047 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2048 ("trying to do CDIOCPLAYBLOCKS\n")); 2049 2050 |
2051 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2052 if (error) { 2053 free(params.mode_buf, M_TEMP); |
2054 cam_periph_unlock(periph); |
2055 break; 2056 } 2057 page = cdgetpage(¶ms); 2058 2059 page->audio.flags &= ~CD_PA_SOTC; 2060 page->audio.flags |= CD_PA_IMMED; 2061 error = cdsetmode(periph, ¶ms); 2062 free(params.mode_buf, M_TEMP); |
2063 if (error) { 2064 cam_periph_unlock(periph); |
2065 break; |
2066 } |
2067 error = cdplay(periph, args->blk, args->len); |
2068 cam_periph_unlock(periph); |
2069 } 2070 break; 2071 case CDIOCREADSUBCHANNEL_SYSSPACE: 2072 nocopyout = 1; 2073 /* Fallthrough */ 2074 case CDIOCREADSUBCHANNEL: 2075 { 2076 struct ioc_read_subchannel *args 2077 = (struct ioc_read_subchannel *) addr; 2078 struct cd_sub_channel_info *data; 2079 u_int32_t len = args->data_len; 2080 |
2081 data = malloc(sizeof(struct cd_sub_channel_info), 2082 M_TEMP, M_WAITOK); 2083 |
2084 cam_periph_lock(periph); 2085 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2086 ("trying to do CDIOCREADSUBCHANNEL\n")); 2087 |
2088 if ((len > sizeof(struct cd_sub_channel_info)) || 2089 (len < sizeof(struct cd_sub_channel_header))) { 2090 printf( 2091 "scsi_cd: cdioctl: " 2092 "cdioreadsubchannel: error, len=%d\n", 2093 len); 2094 error = EINVAL; 2095 free(data, M_TEMP); |
2096 cam_periph_unlock(periph); |
2097 break; 2098 } 2099 2100 if (softc->quirks & CD_Q_BCD_TRACKS) 2101 args->track = bin2bcd(args->track); 2102 2103 error = cdreadsubchannel(periph, args->address_format, 2104 args->data_format, args->track, data, len); 2105 2106 if (error) { 2107 free(data, M_TEMP); |
2108 cam_periph_unlock(periph); |
2109 break; 2110 } 2111 if (softc->quirks & CD_Q_BCD_TRACKS) 2112 data->what.track_info.track_number = 2113 bcd2bin(data->what.track_info.track_number); 2114 len = min(len, ((data->header.data_len[0] << 8) + 2115 data->header.data_len[1] + 2116 sizeof(struct cd_sub_channel_header))); |
2117 cam_periph_unlock(periph); |
2118 if (nocopyout == 0) { 2119 if (copyout(data, args->data, len) != 0) { 2120 error = EFAULT; 2121 } 2122 } else { 2123 bcopy(data, args->data, len); 2124 } 2125 free(data, M_TEMP); 2126 } 2127 break; 2128 2129 case CDIOREADTOCHEADER: 2130 { 2131 struct ioc_toc_header *th; 2132 |
2133 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2134 M_WAITOK); 2135 2136 cam_periph_lock(periph); |
2137 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2138 ("trying to do CDIOREADTOCHEADER\n")); 2139 |
2140 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2141 sizeof (*th), /*sense_flags*/0); 2142 if (error) { 2143 free(th, M_TEMP); |
2144 cam_periph_unlock(periph); |
2145 break; 2146 } 2147 if (softc->quirks & CD_Q_BCD_TRACKS) { 2148 /* we are going to have to convert the BCD 2149 * encoding on the cd to what is expected 2150 */ 2151 th->starting_track = 2152 bcd2bin(th->starting_track); 2153 th->ending_track = bcd2bin(th->ending_track); 2154 } 2155 th->len = ntohs(th->len); 2156 bcopy(th, addr, sizeof(*th)); 2157 free(th, M_TEMP); |
2158 cam_periph_unlock(periph); |
2159 } 2160 break; 2161 case CDIOREADTOCENTRYS: 2162 { 2163 struct cd_tocdata *data; 2164 struct cd_toc_single *lead; 2165 struct ioc_read_toc_entry *te = 2166 (struct ioc_read_toc_entry *) addr; 2167 struct ioc_toc_header *th; 2168 u_int32_t len, readlen, idx, num; 2169 u_int32_t starting_track = te->starting_track; 2170 |
2171 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2172 lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK); 2173 |
2174 cam_periph_lock(periph); 2175 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2176 ("trying to do CDIOREADTOCENTRYS\n")); 2177 |
2178 if (te->data_len < sizeof(struct cd_toc_entry) 2179 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2180 || (te->address_format != CD_MSF_FORMAT 2181 && te->address_format != CD_LBA_FORMAT)) { 2182 error = EINVAL; 2183 printf("scsi_cd: error in readtocentries, " 2184 "returning EINVAL\n"); 2185 free(data, M_TEMP); 2186 free(lead, M_TEMP); |
2187 cam_periph_unlock(periph); |
2188 break; 2189 } 2190 2191 th = &data->header; 2192 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2193 sizeof (*th), /*sense_flags*/0); 2194 if (error) { 2195 free(data, M_TEMP); 2196 free(lead, M_TEMP); |
2197 cam_periph_unlock(periph); |
2198 break; 2199 } 2200 2201 if (softc->quirks & CD_Q_BCD_TRACKS) { 2202 /* we are going to have to convert the BCD 2203 * encoding on the cd to what is expected 2204 */ 2205 th->starting_track = --- 6 unchanged lines hidden (view full) --- 2212 else if (starting_track == LEADOUT) 2213 starting_track = th->ending_track + 1; 2214 else if (starting_track < th->starting_track || 2215 starting_track > th->ending_track + 1) { 2216 printf("scsi_cd: error in readtocentries, " 2217 "returning EINVAL\n"); 2218 free(data, M_TEMP); 2219 free(lead, M_TEMP); |
2220 cam_periph_unlock(periph); |
2221 error = EINVAL; 2222 break; 2223 } 2224 2225 /* calculate reading length without leadout entry */ 2226 readlen = (th->ending_track - starting_track + 1) * 2227 sizeof(struct cd_toc_entry); 2228 --- 5 unchanged lines hidden (view full) --- 2234 readlen = len; 2235 } 2236 if (len > sizeof(data->entries)) { 2237 printf("scsi_cd: error in readtocentries, " 2238 "returning EINVAL\n"); 2239 error = EINVAL; 2240 free(data, M_TEMP); 2241 free(lead, M_TEMP); |
2242 cam_periph_unlock(periph); |
2243 break; 2244 } 2245 num = len / sizeof(struct cd_toc_entry); 2246 2247 if (readlen > 0) { 2248 error = cdreadtoc(periph, te->address_format, 2249 starting_track, 2250 (u_int8_t *)data, 2251 readlen + sizeof (*th), 2252 /*sense_flags*/0); 2253 if (error) { 2254 free(data, M_TEMP); 2255 free(lead, M_TEMP); |
2256 cam_periph_unlock(periph); |
2257 break; 2258 } 2259 } 2260 2261 /* make leadout entry if needed */ 2262 idx = starting_track + num - 1; 2263 if (softc->quirks & CD_Q_BCD_TRACKS) 2264 th->ending_track = bcd2bin(th->ending_track); 2265 if (idx == th->ending_track + 1) { 2266 error = cdreadtoc(periph, te->address_format, 2267 LEADOUT, (u_int8_t *)lead, 2268 sizeof(*lead), 2269 /*sense_flags*/0); 2270 if (error) { 2271 free(data, M_TEMP); 2272 free(lead, M_TEMP); |
2273 cam_periph_unlock(periph); |
2274 break; 2275 } 2276 data->entries[idx - starting_track] = 2277 lead->entry; 2278 } 2279 if (softc->quirks & CD_Q_BCD_TRACKS) { 2280 for (idx = 0; idx < num - 1; idx++) { 2281 data->entries[idx].track = 2282 bcd2bin(data->entries[idx].track); 2283 } 2284 } 2285 |
2286 cam_periph_unlock(periph); |
2287 error = copyout(data->entries, te->data, len); 2288 free(data, M_TEMP); 2289 free(lead, M_TEMP); 2290 } 2291 break; 2292 case CDIOREADTOCENTRY: 2293 { 2294 struct cd_toc_single *data; 2295 struct ioc_read_toc_single_entry *te = 2296 (struct ioc_read_toc_single_entry *) addr; 2297 struct ioc_toc_header *th; 2298 u_int32_t track; 2299 |
2300 data = malloc(sizeof(*data), M_TEMP, M_WAITOK); 2301 2302 cam_periph_lock(periph); |
2303 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2304 ("trying to do CDIOREADTOCENTRY\n")); 2305 |
2306 if (te->address_format != CD_MSF_FORMAT 2307 && te->address_format != CD_LBA_FORMAT) { 2308 printf("error in readtocentry, " 2309 " returning EINVAL\n"); 2310 free(data, M_TEMP); 2311 error = EINVAL; |
2312 cam_periph_unlock(periph); |
2313 break; 2314 } 2315 2316 th = &data->header; 2317 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2318 sizeof (*th), /*sense_flags*/0); 2319 if (error) { 2320 free(data, M_TEMP); |
2321 cam_periph_unlock(periph); |
2322 break; 2323 } 2324 2325 if (softc->quirks & CD_Q_BCD_TRACKS) { 2326 /* we are going to have to convert the BCD 2327 * encoding on the cd to what is expected 2328 */ 2329 th->starting_track = --- 6 unchanged lines hidden (view full) --- 2336 else if (track == LEADOUT) 2337 /* OK */; 2338 else if (track < th->starting_track || 2339 track > th->ending_track + 1) { 2340 printf("error in readtocentry, " 2341 " returning EINVAL\n"); 2342 free(data, M_TEMP); 2343 error = EINVAL; |
2344 cam_periph_unlock(periph); |
2345 break; 2346 } 2347 2348 error = cdreadtoc(periph, te->address_format, track, 2349 (u_int8_t *)data, sizeof(*data), 2350 /*sense_flags*/0); 2351 if (error) { 2352 free(data, M_TEMP); |
2353 cam_periph_unlock(periph); |
2354 break; 2355 } 2356 2357 if (softc->quirks & CD_Q_BCD_TRACKS) 2358 data->entry.track = bcd2bin(data->entry.track); 2359 bcopy(&data->entry, &te->entry, 2360 sizeof(struct cd_toc_entry)); 2361 free(data, M_TEMP); |
2362 cam_periph_unlock(periph); |
2363 } 2364 break; 2365 case CDIOCSETPATCH: 2366 { 2367 struct ioc_patch *arg = (struct ioc_patch *)addr; 2368 struct cd_mode_params params; 2369 union cd_pages *page; 2370 |
2371 params.alloc_len = sizeof(union cd_mode_data_6_10); 2372 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2373 M_WAITOK | M_ZERO); |
2374 2375 cam_periph_lock(periph); 2376 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2377 ("trying to do CDIOCSETPATCH\n")); 2378 |
2379 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2380 if (error) { 2381 free(params.mode_buf, M_TEMP); |
2382 cam_periph_unlock(periph); |
2383 break; 2384 } 2385 page = cdgetpage(¶ms); 2386 2387 page->audio.port[LEFT_PORT].channels = 2388 arg->patch[0]; 2389 page->audio.port[RIGHT_PORT].channels = 2390 arg->patch[1]; 2391 page->audio.port[2].channels = arg->patch[2]; 2392 page->audio.port[3].channels = arg->patch[3]; 2393 error = cdsetmode(periph, ¶ms); 2394 free(params.mode_buf, M_TEMP); |
2395 cam_periph_unlock(periph); |
2396 } 2397 break; 2398 case CDIOCGETVOL: 2399 { 2400 struct ioc_vol *arg = (struct ioc_vol *) addr; 2401 struct cd_mode_params params; 2402 union cd_pages *page; 2403 |
2404 params.alloc_len = sizeof(union cd_mode_data_6_10); 2405 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2406 M_WAITOK | M_ZERO); |
2407 2408 cam_periph_lock(periph); 2409 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2410 ("trying to do CDIOCGETVOL\n")); 2411 |
2412 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2413 if (error) { 2414 free(params.mode_buf, M_TEMP); |
2415 cam_periph_unlock(periph); |
2416 break; 2417 } 2418 page = cdgetpage(¶ms); 2419 2420 arg->vol[LEFT_PORT] = 2421 page->audio.port[LEFT_PORT].volume; 2422 arg->vol[RIGHT_PORT] = 2423 page->audio.port[RIGHT_PORT].volume; 2424 arg->vol[2] = page->audio.port[2].volume; 2425 arg->vol[3] = page->audio.port[3].volume; 2426 free(params.mode_buf, M_TEMP); |
2427 cam_periph_unlock(periph); |
2428 } 2429 break; 2430 case CDIOCSETVOL: 2431 { 2432 struct ioc_vol *arg = (struct ioc_vol *) addr; 2433 struct cd_mode_params params; 2434 union cd_pages *page; 2435 |
2436 params.alloc_len = sizeof(union cd_mode_data_6_10); 2437 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2438 M_WAITOK | M_ZERO); |
2439 2440 cam_periph_lock(periph); 2441 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2442 ("trying to do CDIOCSETVOL\n")); 2443 |
2444 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2445 if (error) { 2446 free(params.mode_buf, M_TEMP); |
2447 cam_periph_unlock(periph); |
2448 break; 2449 } 2450 page = cdgetpage(¶ms); 2451 2452 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2453 page->audio.port[LEFT_PORT].volume = 2454 arg->vol[LEFT_PORT]; 2455 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2456 page->audio.port[RIGHT_PORT].volume = 2457 arg->vol[RIGHT_PORT]; 2458 page->audio.port[2].volume = arg->vol[2]; 2459 page->audio.port[3].volume = arg->vol[3]; 2460 error = cdsetmode(periph, ¶ms); |
2461 cam_periph_unlock(periph); |
2462 free(params.mode_buf, M_TEMP); 2463 } 2464 break; 2465 case CDIOCSETMONO: 2466 { 2467 struct cd_mode_params params; 2468 union cd_pages *page; 2469 |
2470 params.alloc_len = sizeof(union cd_mode_data_6_10); 2471 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2472 M_WAITOK | M_ZERO); |
2473 2474 cam_periph_lock(periph); 2475 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2476 ("trying to do CDIOCSETMONO\n")); 2477 |
2478 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2479 if (error) { 2480 free(params.mode_buf, M_TEMP); |
2481 cam_periph_unlock(periph); |
2482 break; 2483 } 2484 page = cdgetpage(¶ms); 2485 2486 page->audio.port[LEFT_PORT].channels = 2487 LEFT_CHANNEL | RIGHT_CHANNEL; 2488 page->audio.port[RIGHT_PORT].channels = 2489 LEFT_CHANNEL | RIGHT_CHANNEL; 2490 page->audio.port[2].channels = 0; 2491 page->audio.port[3].channels = 0; 2492 error = cdsetmode(periph, ¶ms); |
2493 cam_periph_unlock(periph); |
2494 free(params.mode_buf, M_TEMP); 2495 } 2496 break; 2497 case CDIOCSETSTEREO: 2498 { 2499 struct cd_mode_params params; 2500 union cd_pages *page; 2501 |
2502 params.alloc_len = sizeof(union cd_mode_data_6_10); 2503 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2504 M_WAITOK | M_ZERO); |
2505 2506 cam_periph_lock(periph); 2507 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2508 ("trying to do CDIOCSETSTEREO\n")); 2509 |
2510 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2511 if (error) { 2512 free(params.mode_buf, M_TEMP); |
2513 cam_periph_unlock(periph); |
2514 break; 2515 } 2516 page = cdgetpage(¶ms); 2517 2518 page->audio.port[LEFT_PORT].channels = 2519 LEFT_CHANNEL; 2520 page->audio.port[RIGHT_PORT].channels = 2521 RIGHT_CHANNEL; 2522 page->audio.port[2].channels = 0; 2523 page->audio.port[3].channels = 0; 2524 error = cdsetmode(periph, ¶ms); 2525 free(params.mode_buf, M_TEMP); |
2526 cam_periph_unlock(periph); |
2527 } 2528 break; 2529 case CDIOCSETMUTE: 2530 { 2531 struct cd_mode_params params; 2532 union cd_pages *page; 2533 |
2534 params.alloc_len = sizeof(union cd_mode_data_6_10); 2535 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2536 M_WAITOK | M_ZERO); |
2537 2538 cam_periph_lock(periph); 2539 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2540 ("trying to do CDIOCSETMUTE\n")); 2541 |
2542 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2543 if (error) { 2544 free(¶ms, M_TEMP); |
2545 cam_periph_unlock(periph); |
2546 break; 2547 } 2548 page = cdgetpage(¶ms); 2549 2550 page->audio.port[LEFT_PORT].channels = 0; 2551 page->audio.port[RIGHT_PORT].channels = 0; 2552 page->audio.port[2].channels = 0; 2553 page->audio.port[3].channels = 0; 2554 error = cdsetmode(periph, ¶ms); 2555 free(params.mode_buf, M_TEMP); |
2556 cam_periph_unlock(periph); |
2557 } 2558 break; 2559 case CDIOCSETLEFT: 2560 { 2561 struct cd_mode_params params; 2562 union cd_pages *page; 2563 |
2564 params.alloc_len = sizeof(union cd_mode_data_6_10); 2565 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2566 M_WAITOK | M_ZERO); |
2567 2568 cam_periph_lock(periph); 2569 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2570 ("trying to do CDIOCSETLEFT\n")); 2571 |
2572 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2573 if (error) { 2574 free(params.mode_buf, M_TEMP); |
2575 cam_periph_unlock(periph); |
2576 break; 2577 } 2578 page = cdgetpage(¶ms); 2579 2580 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2581 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2582 page->audio.port[2].channels = 0; 2583 page->audio.port[3].channels = 0; 2584 error = cdsetmode(periph, ¶ms); 2585 free(params.mode_buf, M_TEMP); |
2586 cam_periph_unlock(periph); |
2587 } 2588 break; 2589 case CDIOCSETRIGHT: 2590 { 2591 struct cd_mode_params params; 2592 union cd_pages *page; 2593 |
2594 params.alloc_len = sizeof(union cd_mode_data_6_10); 2595 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2596 M_WAITOK | M_ZERO); 2597 |
2598 cam_periph_lock(periph); 2599 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2600 ("trying to do CDIOCSETRIGHT\n")); 2601 |
2602 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2603 if (error) { 2604 free(params.mode_buf, M_TEMP); |
2605 cam_periph_unlock(periph); |
2606 break; 2607 } 2608 page = cdgetpage(¶ms); 2609 2610 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2611 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2612 page->audio.port[2].channels = 0; 2613 page->audio.port[3].channels = 0; 2614 error = cdsetmode(periph, ¶ms); 2615 free(params.mode_buf, M_TEMP); |
2616 cam_periph_unlock(periph); |
2617 } 2618 break; 2619 case CDIOCRESUME: |
2620 cam_periph_lock(periph); |
2621 error = cdpause(periph, 1); |
2622 cam_periph_unlock(periph); |
2623 break; 2624 case CDIOCPAUSE: |
2625 cam_periph_lock(periph); |
2626 error = cdpause(periph, 0); |
2627 cam_periph_unlock(periph); |
2628 break; 2629 case CDIOCSTART: |
2630 cam_periph_lock(periph); |
2631 error = cdstartunit(periph, 0); |
2632 cam_periph_unlock(periph); |
2633 break; 2634 case CDIOCCLOSE: |
2635 cam_periph_lock(periph); |
2636 error = cdstartunit(periph, 1); |
2637 cam_periph_unlock(periph); |
2638 break; 2639 case CDIOCSTOP: |
2640 cam_periph_lock(periph); |
2641 error = cdstopunit(periph, 0); |
2642 cam_periph_unlock(periph); |
2643 break; 2644 case CDIOCEJECT: |
2645 cam_periph_lock(periph); |
2646 error = cdstopunit(periph, 1); |
2647 cam_periph_unlock(periph); |
2648 break; 2649 case CDIOCALLOW: |
2650 cam_periph_lock(periph); |
2651 cdprevent(periph, PR_ALLOW); |
2652 cam_periph_unlock(periph); |
2653 break; 2654 case CDIOCPREVENT: |
2655 cam_periph_lock(periph); |
2656 cdprevent(periph, PR_PREVENT); |
2657 cam_periph_unlock(periph); |
2658 break; 2659 case CDIOCSETDEBUG: 2660 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2661 error = ENOTTY; 2662 break; 2663 case CDIOCCLRDEBUG: 2664 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2665 error = ENOTTY; 2666 break; 2667 case CDIOCRESET: 2668 /* return (cd_reset(periph)); */ 2669 error = ENOTTY; 2670 break; 2671 case CDRIOCREADSPEED: |
2672 cam_periph_lock(periph); |
2673 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); |
2674 cam_periph_unlock(periph); |
2675 break; 2676 case CDRIOCWRITESPEED: |
2677 cam_periph_lock(periph); |
2678 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); |
2679 cam_periph_unlock(periph); |
2680 break; 2681 case DVDIOCSENDKEY: 2682 case DVDIOCREPORTKEY: { 2683 struct dvd_authinfo *authinfo; 2684 2685 authinfo = (struct dvd_authinfo *)addr; 2686 |
2687 cam_periph_lock(periph); |
2688 if (cmd == DVDIOCREPORTKEY) 2689 error = cdreportkey(periph, authinfo); 2690 else 2691 error = cdsendkey(periph, authinfo); |
2692 cam_periph_unlock(periph); |
2693 break; 2694 } 2695 case DVDIOCREADSTRUCTURE: { 2696 struct dvd_struct *dvdstruct; 2697 2698 dvdstruct = (struct dvd_struct *)addr; 2699 |
2700 cam_periph_lock(periph); |
2701 error = cdreaddvdstructure(periph, dvdstruct); |
2702 cam_periph_unlock(periph); |
2703 2704 break; 2705 } 2706 default: |
2707 cam_periph_lock(periph); |
2708 error = cam_periph_ioctl(periph, cmd, addr, cderror); |
2709 cam_periph_unlock(periph); |
2710 break; 2711 } 2712 |
2713 cam_periph_lock(periph); 2714 cam_periph_unhold(periph); 2715 |
2716 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2717 if (error && bootverbose) { 2718 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2719 } |
2720 cam_periph_unlock(periph); |
2721 2722 return (error); 2723} 2724 2725static void 2726cdprevent(struct cam_periph *periph, int action) 2727{ 2728 union ccb *ccb; --- 182 unchanged lines hidden (view full) --- 2911 int error; 2912 2913 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2914 2915 softc = (struct cd_softc *)periph->softc; 2916 2917 ccb = cdgetccb(periph, /* priority */ 1); 2918 |
2919 /* XXX Should be M_WAITOK */ |
2920 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), |
2921 M_TEMP, M_NOWAIT); 2922 if (rcap_buf == NULL) 2923 return (ENOMEM); |
2924 2925 scsi_read_capacity(&ccb->csio, 2926 /*retries*/ 1, 2927 cddone, 2928 MSG_SIMPLE_Q_TAG, 2929 rcap_buf, 2930 SSD_FULL_SIZE, 2931 /* timeout */20000); --- 1347 unchanged lines hidden --- |