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 1.27 2006/12/22 23:12:16 swildner 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/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <sys/proc.h> 67 #include <sys/buf2.h> 68 #include <sys/thread2.h> 69 70 #include "../cam.h" 71 #include "../cam_ccb.h" 72 #include "../cam_extend.h" 73 #include "../cam_periph.h" 74 #include "../cam_xpt_periph.h" 75 #include "../cam_queue.h" 76 77 #include "scsi_message.h" 78 #include "scsi_da.h" 79 #include "scsi_cd.h" 80 81 #define LEADOUT 0xaa /* leadout toc entry */ 82 83 struct cd_params { 84 u_int32_t blksize; 85 u_long disksize; 86 }; 87 88 typedef enum { 89 CD_Q_NONE = 0x00, 90 CD_Q_NO_TOUCH = 0x01, 91 CD_Q_BCD_TRACKS = 0x02, 92 CD_Q_NO_CHANGER = 0x04, 93 CD_Q_CHANGER = 0x08, 94 CD_Q_10_BYTE_ONLY = 0x10 95 } cd_quirks; 96 97 typedef enum { 98 CD_FLAG_INVALID = 0x0001, 99 CD_FLAG_NEW_DISC = 0x0002, 100 CD_FLAG_DISC_LOCKED = 0x0004, 101 CD_FLAG_DISC_REMOVABLE = 0x0008, 102 CD_FLAG_TAGGED_QUEUING = 0x0010, 103 CD_FLAG_CHANGER = 0x0040, 104 CD_FLAG_ACTIVE = 0x0080, 105 CD_FLAG_SCHED_ON_COMP = 0x0100, 106 CD_FLAG_RETRY_UA = 0x0200, 107 CD_FLAG_VALID_MEDIA = 0x0400, 108 CD_FLAG_VALID_TOC = 0x0800, 109 CD_FLAG_OPEN = 0x1000, 110 CD_FLAG_SCTX_INIT = 0x2000 111 } cd_flags; 112 113 typedef enum { 114 CD_CCB_PROBE = 0x01, 115 CD_CCB_BUFFER_IO = 0x02, 116 CD_CCB_WAITING = 0x03, 117 CD_CCB_TYPE_MASK = 0x0F, 118 CD_CCB_RETRY_UA = 0x10 119 } cd_ccb_state; 120 121 typedef enum { 122 CHANGER_TIMEOUT_SCHED = 0x01, 123 CHANGER_SHORT_TMOUT_SCHED = 0x02, 124 CHANGER_MANUAL_CALL = 0x04, 125 CHANGER_NEED_TIMEOUT = 0x08 126 } cd_changer_flags; 127 128 #define ccb_state ppriv_field0 129 #define ccb_bio ppriv_ptr1 130 131 struct cd_tocdata { 132 struct ioc_toc_header header; 133 struct cd_toc_entry entries[100]; 134 }; 135 136 struct cd_toc_single { 137 struct ioc_toc_header header; 138 struct cd_toc_entry entry; 139 }; 140 141 typedef enum { 142 CD_STATE_PROBE, 143 CD_STATE_NORMAL 144 } cd_state; 145 146 struct cd_softc { 147 cam_pinfo pinfo; 148 cd_state state; 149 volatile cd_flags flags; 150 struct bio_queue_head bio_queue; 151 LIST_HEAD(, ccb_hdr) pending_ccbs; 152 struct cd_params params; 153 struct disk disk; 154 union ccb saved_ccb; 155 cd_quirks quirks; 156 struct devstat device_stats; 157 STAILQ_ENTRY(cd_softc) changer_links; 158 struct cdchanger *changer; 159 int bufs_left; 160 struct cam_periph *periph; 161 int minimum_command_size; 162 struct task sysctl_task; 163 struct sysctl_ctx_list sysctl_ctx; 164 struct sysctl_oid *sysctl_tree; 165 STAILQ_HEAD(, cd_mode_params) mode_queue; 166 struct cd_tocdata toc; 167 }; 168 169 struct cd_page_sizes { 170 int page; 171 int page_size; 172 }; 173 174 static struct cd_page_sizes cd_page_size_table[] = 175 { 176 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 177 }; 178 179 struct cd_quirk_entry { 180 struct scsi_inquiry_pattern inq_pat; 181 cd_quirks quirks; 182 }; 183 184 /* 185 * The changer quirk entries aren't strictly necessary. Basically, what 186 * they do is tell cdregister() up front that a device is a changer. 187 * Otherwise, it will figure that fact out once it sees a LUN on the device 188 * that is greater than 0. If it is known up front that a device is a changer, 189 * all I/O to the device will go through the changer scheduling routines, as 190 * opposed to the "normal" CD code. 191 * 192 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 193 * your device hangs when it gets a 10 byte command. Adding a quirk just 194 * to get rid of the informative diagnostic message is not acceptable. All 195 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 196 * referenced in a comment along with the quirk) , and must be approved by 197 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 198 * be removed until the submitter can explain why they are needed. 199 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 200 * when the CAM_NEW_TRAN_CODE work is done. 201 */ 202 static struct cd_quirk_entry cd_quirk_table[] = 203 { 204 { 205 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 206 /*quirks*/ CD_Q_CHANGER 207 }, 208 { 209 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 210 "*"}, /* quirks */ CD_Q_CHANGER 211 }, 212 { 213 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 214 /* quirks */ CD_Q_CHANGER 215 }, 216 { 217 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 218 /* quirks */ CD_Q_BCD_TRACKS 219 } 220 }; 221 222 static d_open_t cdopen; 223 static d_close_t cdclose; 224 static d_ioctl_t cdioctl; 225 static d_strategy_t cdstrategy; 226 227 static periph_init_t cdinit; 228 static periph_ctor_t cdregister; 229 static periph_dtor_t cdcleanup; 230 static periph_start_t cdstart; 231 static periph_oninv_t cdoninvalidate; 232 static void cdasync(void *callback_arg, u_int32_t code, 233 struct cam_path *path, void *arg); 234 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 235 static void cdshorttimeout(void *arg); 236 static void cdschedule(struct cam_periph *periph, int priority); 237 static void cdrunchangerqueue(void *arg); 238 static void cdchangerschedule(struct cd_softc *softc); 239 static int cdrunccb(union ccb *ccb, 240 int (*error_routine)(union ccb *ccb, 241 u_int32_t cam_flags, 242 u_int32_t sense_flags), 243 u_int32_t cam_flags, u_int32_t sense_flags); 244 static union ccb *cdgetccb(struct cam_periph *periph, 245 u_int32_t priority); 246 static void cddone(struct cam_periph *periph, 247 union ccb *start_ccb); 248 static int cderror(union ccb *ccb, u_int32_t cam_flags, 249 u_int32_t sense_flags); 250 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 251 static int cdgetpagesize(int page_num); 252 static void cdprevent(struct cam_periph *periph, int action); 253 static int cdcheckmedia(struct cam_periph *periph); 254 static int cdsize(struct cam_periph *periph, u_int32_t *size); 255 static int cd6byteworkaround(union ccb *ccb); 256 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 257 u_int32_t start, u_int8_t *data, 258 u_int32_t len, u_int32_t sense_flags); 259 static int cdgetmode(struct cam_periph *periph, 260 struct cd_mode_params *data, u_int32_t page); 261 static int cdsetmode(struct cam_periph *periph, 262 struct cd_mode_params *data); 263 static int cdplay(struct cam_periph *periph, u_int32_t blk, 264 u_int32_t len); 265 static int cdreadsubchannel(struct cam_periph *periph, 266 u_int32_t mode, u_int32_t format, 267 int track, 268 struct cd_sub_channel_info *data, 269 u_int32_t len); 270 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 271 u_int32_t starts, u_int32_t startf, 272 u_int32_t endm, u_int32_t ends, 273 u_int32_t endf); 274 static int cdplaytracks(struct cam_periph *periph, 275 u_int32_t strack, u_int32_t sindex, 276 u_int32_t etrack, u_int32_t eindex); 277 static int cdpause(struct cam_periph *periph, u_int32_t go); 278 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 279 static int cdstartunit(struct cam_periph *periph, int load); 280 static int cdsetspeed(struct cam_periph *periph, 281 u_int32_t rdspeed, u_int32_t wrspeed); 282 static int cdreportkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284 static int cdsendkey(struct cam_periph *periph, 285 struct dvd_authinfo *authinfo); 286 static int cdreaddvdstructure(struct cam_periph *periph, 287 struct dvd_struct *dvdstruct); 288 289 static struct periph_driver cddriver = 290 { 291 cdinit, "cd", 292 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 293 }; 294 295 DATA_SET(periphdriver_set, cddriver); 296 297 /* For 2.2-stable support */ 298 #ifndef D_DISK 299 #define D_DISK 0 300 #endif 301 static struct dev_ops cd_ops = { 302 { "cd", SCSICD_CDEV_MAJOR, D_DISK }, 303 .d_open = cdopen, 304 .d_close = cdclose, 305 .d_read = physread, 306 .d_write = physwrite, 307 .d_ioctl = cdioctl, 308 .d_strategy = cdstrategy 309 }; 310 311 static struct extend_array *cdperiphs; 312 static int num_changers; 313 314 #ifndef CHANGER_MIN_BUSY_SECONDS 315 #define CHANGER_MIN_BUSY_SECONDS 5 316 #endif 317 #ifndef CHANGER_MAX_BUSY_SECONDS 318 #define CHANGER_MAX_BUSY_SECONDS 15 319 #endif 320 321 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 322 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 323 324 /* 325 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 326 * variables. 327 */ 328 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 329 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 330 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 331 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 332 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 333 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 334 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 335 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 336 337 struct cdchanger { 338 path_id_t path_id; 339 target_id_t target_id; 340 int num_devices; 341 struct camq devq; 342 struct timeval start_time; 343 struct cd_softc *cur_device; 344 struct callout short_handle; 345 struct callout long_handle; 346 volatile cd_changer_flags flags; 347 STAILQ_ENTRY(cdchanger) changer_links; 348 STAILQ_HEAD(chdevlist, cd_softc) chluns; 349 }; 350 351 static STAILQ_HEAD(changerlist, cdchanger) changerq; 352 353 void 354 cdinit(void) 355 { 356 cam_status status; 357 struct cam_path *path; 358 359 /* 360 * Create our extend array for storing the devices we attach to. 361 */ 362 cdperiphs = cam_extend_new(); 363 if (cdperiphs == NULL) { 364 kprintf("cd: Failed to alloc extend array!\n"); 365 return; 366 } 367 368 /* 369 * Install a global async callback. This callback will 370 * receive async callbacks like "new device found". 371 */ 372 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 373 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 374 375 if (status == CAM_REQ_CMP) { 376 struct ccb_setasync csa; 377 378 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 379 csa.ccb_h.func_code = XPT_SASYNC_CB; 380 csa.event_enable = AC_FOUND_DEVICE; 381 csa.callback = cdasync; 382 csa.callback_arg = NULL; 383 xpt_action((union ccb *)&csa); 384 status = csa.ccb_h.status; 385 xpt_free_path(path); 386 } 387 388 if (status != CAM_REQ_CMP) { 389 kprintf("cd: Failed to attach master async callback " 390 "due to status 0x%x!\n", status); 391 } 392 } 393 394 static void 395 cdoninvalidate(struct cam_periph *periph) 396 { 397 struct cd_softc *softc; 398 struct buf *q_bp; 399 struct bio *q_bio; 400 struct ccb_setasync csa; 401 402 softc = (struct cd_softc *)periph->softc; 403 404 /* 405 * De-register any async callbacks. 406 */ 407 xpt_setup_ccb(&csa.ccb_h, periph->path, 408 /* priority */ 5); 409 csa.ccb_h.func_code = XPT_SASYNC_CB; 410 csa.event_enable = 0; 411 csa.callback = cdasync; 412 csa.callback_arg = periph; 413 xpt_action((union ccb *)&csa); 414 415 softc->flags |= CD_FLAG_INVALID; 416 417 /* 418 * Although the oninvalidate() routines are always while in a 419 * critical section, we need to be in a critical section here to 420 * keep the buffer queue from being modified while we traverse it. 421 */ 422 crit_enter(); 423 424 /* 425 * Return all queued I/O with ENXIO. 426 * XXX Handle any transactions queued to the card 427 * with XPT_ABORT_CCB. 428 */ 429 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 430 bioq_remove(&softc->bio_queue, q_bio); 431 q_bp = q_bio->bio_buf; 432 q_bp->b_resid = q_bp->b_bcount; 433 q_bp->b_error = ENXIO; 434 q_bp->b_flags |= B_ERROR; 435 biodone(q_bio); 436 } 437 crit_exit(); 438 439 /* 440 * If this device is part of a changer, and it was scheduled 441 * to run, remove it from the run queue since we just nuked 442 * all of its scheduled I/O. 443 */ 444 if ((softc->flags & CD_FLAG_CHANGER) 445 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 446 camq_remove(&softc->changer->devq, softc->pinfo.index); 447 448 xpt_print_path(periph->path); 449 kprintf("lost device\n"); 450 } 451 452 static void 453 cdcleanup(struct cam_periph *periph) 454 { 455 struct cd_softc *softc; 456 457 softc = (struct cd_softc *)periph->softc; 458 459 xpt_print_path(periph->path); 460 kprintf("removing device entry\n"); 461 462 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 463 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 464 xpt_print_path(periph->path); 465 kprintf("can't remove sysctl context\n"); 466 } 467 468 crit_enter(); 469 /* 470 * In the queued, non-active case, the device in question 471 * has already been removed from the changer run queue. Since this 472 * device is active, we need to de-activate it, and schedule 473 * another device to run. (if there is another one to run) 474 */ 475 if ((softc->flags & CD_FLAG_CHANGER) 476 && (softc->flags & CD_FLAG_ACTIVE)) { 477 478 /* 479 * The purpose of the short timeout is soley to determine 480 * whether the current device has finished or not. Well, 481 * since we're removing the active device, we know that it 482 * is finished. So, get rid of the short timeout. 483 * Otherwise, if we're in the time period before the short 484 * timeout fires, and there are no other devices in the 485 * queue to run, there won't be any other device put in the 486 * active slot. i.e., when we call cdrunchangerqueue() 487 * below, it won't do anything. Then, when the short 488 * timeout fires, it'll look at the "current device", which 489 * we are free below, and possibly panic the kernel on a 490 * bogus pointer reference. 491 * 492 * The long timeout doesn't really matter, since we 493 * decrement the qfrozen_cnt to indicate that there is 494 * nothing in the active slot now. Therefore, there won't 495 * be any bogus pointer references there. 496 */ 497 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 498 callout_stop(&softc->changer->short_handle); 499 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 500 } 501 softc->changer->devq.qfrozen_cnt--; 502 softc->changer->flags |= CHANGER_MANUAL_CALL; 503 cdrunchangerqueue(softc->changer); 504 } 505 506 /* 507 * If we're removing the last device on the changer, go ahead and 508 * remove the changer device structure. 509 */ 510 if ((softc->flags & CD_FLAG_CHANGER) 511 && (--softc->changer->num_devices == 0)) { 512 513 /* 514 * Theoretically, there shouldn't be any timeouts left, but 515 * I'm not completely sure that that will be the case. So, 516 * it won't hurt to check and see if there are any left. 517 */ 518 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 519 callout_stop(&softc->changer->long_handle); 520 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 521 } 522 523 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 524 callout_stop(&softc->changer->short_handle); 525 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 526 } 527 528 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 529 changer_links); 530 xpt_print_path(periph->path); 531 kprintf("removing changer entry\n"); 532 kfree(softc->changer, M_DEVBUF); 533 num_changers--; 534 } 535 devstat_remove_entry(&softc->device_stats); 536 cam_extend_release(cdperiphs, periph->unit_number); 537 if (softc->disk.d_rawdev) { 538 disk_destroy(&softc->disk); 539 } 540 kfree(softc, M_DEVBUF); 541 crit_exit(); 542 } 543 544 static void 545 cdasync(void *callback_arg, u_int32_t code, 546 struct cam_path *path, void *arg) 547 { 548 struct cam_periph *periph; 549 550 periph = (struct cam_periph *)callback_arg; 551 switch (code) { 552 case AC_FOUND_DEVICE: 553 { 554 struct ccb_getdev *cgd; 555 cam_status status; 556 557 cgd = (struct ccb_getdev *)arg; 558 559 if (SID_TYPE(&cgd->inq_data) != T_CDROM 560 && SID_TYPE(&cgd->inq_data) != T_WORM) 561 break; 562 563 /* 564 * Allocate a peripheral instance for 565 * this device and start the probe 566 * process. 567 */ 568 status = cam_periph_alloc(cdregister, cdoninvalidate, 569 cdcleanup, cdstart, 570 "cd", CAM_PERIPH_BIO, 571 cgd->ccb_h.path, cdasync, 572 AC_FOUND_DEVICE, cgd); 573 574 if (status != CAM_REQ_CMP 575 && status != CAM_REQ_INPROG) 576 kprintf("cdasync: Unable to attach new device " 577 "due to status 0x%x\n", status); 578 579 break; 580 } 581 case AC_SENT_BDR: 582 case AC_BUS_RESET: 583 { 584 struct cd_softc *softc; 585 struct ccb_hdr *ccbh; 586 587 softc = (struct cd_softc *)periph->softc; 588 crit_enter(); 589 /* 590 * Don't fail on the expected unit attention 591 * that will occur. 592 */ 593 softc->flags |= CD_FLAG_RETRY_UA; 594 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 595 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 596 ccbh->ccb_state |= CD_CCB_RETRY_UA; 597 crit_exit(); 598 /* FALLTHROUGH */ 599 } 600 default: 601 cam_periph_async(periph, code, path, arg); 602 break; 603 } 604 } 605 606 static void 607 cdsysctlinit(void *context, int pending) 608 { 609 struct cam_periph *periph; 610 struct cd_softc *softc; 611 char tmpstr[80], tmpstr2[80]; 612 613 periph = (struct cam_periph *)context; 614 softc = (struct cd_softc *)periph->softc; 615 616 ksnprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 617 ksnprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 618 619 sysctl_ctx_init(&softc->sysctl_ctx); 620 softc->flags |= CD_FLAG_SCTX_INIT; 621 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 622 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 623 tmpstr2, CTLFLAG_RD, 0, tmpstr); 624 625 if (softc->sysctl_tree == NULL) { 626 kprintf("cdsysctlinit: unable to allocate sysctl tree\n"); 627 return; 628 } 629 630 /* 631 * Now register the sysctl handler, so the user can the value on 632 * the fly. 633 */ 634 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 635 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 636 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 637 "Minimum CDB size"); 638 } 639 640 /* 641 * We have a handler function for this so we can check the values when the 642 * user sets them, instead of every time we look at them. 643 */ 644 static int 645 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 646 { 647 int error, value; 648 649 value = *(int *)arg1; 650 651 error = sysctl_handle_int(oidp, &value, 0, req); 652 653 if ((error != 0) || (req->newptr == NULL)) 654 return (error); 655 656 /* 657 * The only real values we can have here are 6 or 10. I don't 658 * really forsee having 12 be an option at any time in the future. 659 * So if the user sets something less than or equal to 6, we'll set 660 * it to 6. If he sets something greater than 6, we'll set it to 10. 661 * 662 * I suppose we could just return an error here for the wrong values, 663 * but I don't think it's necessary to do so, as long as we can 664 * determine the user's intent without too much trouble. 665 */ 666 if (value < 6) 667 value = 6; 668 else if (value > 6) 669 value = 10; 670 671 *(int *)arg1 = value; 672 673 return (0); 674 } 675 676 677 static cam_status 678 cdregister(struct cam_periph *periph, void *arg) 679 { 680 struct cd_softc *softc; 681 struct ccb_setasync csa; 682 struct ccb_pathinq cpi; 683 struct ccb_getdev *cgd; 684 char tmpstr[80]; 685 caddr_t match; 686 687 cgd = (struct ccb_getdev *)arg; 688 if (periph == NULL) { 689 kprintf("cdregister: periph was NULL!!\n"); 690 return(CAM_REQ_CMP_ERR); 691 } 692 if (cgd == NULL) { 693 kprintf("cdregister: no getdev CCB, can't register device\n"); 694 return(CAM_REQ_CMP_ERR); 695 } 696 697 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 698 LIST_INIT(&softc->pending_ccbs); 699 STAILQ_INIT(&softc->mode_queue); 700 softc->state = CD_STATE_PROBE; 701 bioq_init(&softc->bio_queue); 702 if (SID_IS_REMOVABLE(&cgd->inq_data)) 703 softc->flags |= CD_FLAG_DISC_REMOVABLE; 704 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 705 softc->flags |= CD_FLAG_TAGGED_QUEUING; 706 707 periph->softc = softc; 708 softc->periph = periph; 709 710 cam_extend_set(cdperiphs, periph->unit_number, periph); 711 712 /* 713 * See if this device has any quirks. 714 */ 715 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 716 (caddr_t)cd_quirk_table, 717 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 718 sizeof(*cd_quirk_table), scsi_inquiry_match); 719 720 if (match != NULL) 721 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 722 else 723 softc->quirks = CD_Q_NONE; 724 725 /* Check if the SIM does not want 6 byte commands */ 726 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 727 cpi.ccb_h.func_code = XPT_PATH_INQ; 728 xpt_action((union ccb *)&cpi); 729 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 730 softc->quirks |= CD_Q_10_BYTE_ONLY; 731 732 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 733 734 /* The default is 6 byte commands, unless quirked otherwise */ 735 if (softc->quirks & CD_Q_10_BYTE_ONLY) 736 softc->minimum_command_size = 10; 737 else 738 softc->minimum_command_size = 6; 739 740 /* 741 * Load the user's default, if any. 742 */ 743 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 744 periph->unit_number); 745 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 746 747 /* 6 and 10 are the only permissible values here. */ 748 if (softc->minimum_command_size < 6) 749 softc->minimum_command_size = 6; 750 else if (softc->minimum_command_size > 6) 751 softc->minimum_command_size = 10; 752 753 /* 754 * We need to register the statistics structure for this device, 755 * but we don't have the blocksize yet for it. So, we register 756 * the structure and indicate that we don't have the blocksize 757 * yet. Unlike other SCSI peripheral drivers, we explicitly set 758 * the device type here to be CDROM, rather than just ORing in 759 * the device type. This is because this driver can attach to either 760 * CDROM or WORM devices, and we want this peripheral driver to 761 * show up in the devstat list as a CD peripheral driver, not a 762 * WORM peripheral driver. WORM drives will also have the WORM 763 * driver attached to them. 764 */ 765 devstat_add_entry(&softc->device_stats, "cd", 766 periph->unit_number, 0, 767 DEVSTAT_BS_UNAVAILABLE, 768 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 769 DEVSTAT_PRIORITY_CD); 770 disk_create(periph->unit_number, &softc->disk, 771 DSO_ONESLICE | DSO_COMPATLABEL, &cd_ops); 772 773 /* 774 * Add an async callback so that we get 775 * notified if this device goes away. 776 */ 777 xpt_setup_ccb(&csa.ccb_h, periph->path, 778 /* priority */ 5); 779 csa.ccb_h.func_code = XPT_SASYNC_CB; 780 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 781 csa.callback = cdasync; 782 csa.callback_arg = periph; 783 xpt_action((union ccb *)&csa); 784 785 /* 786 * If the target lun is greater than 0, we most likely have a CD 787 * changer device. Check the quirk entries as well, though, just 788 * in case someone has a CD tower with one lun per drive or 789 * something like that. Also, if we know up front that a 790 * particular device is a changer, we can mark it as such starting 791 * with lun 0, instead of lun 1. It shouldn't be necessary to have 792 * a quirk entry to define something as a changer, however. 793 */ 794 if (((cgd->ccb_h.target_lun > 0) 795 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 796 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 797 struct cdchanger *nchanger; 798 struct cam_periph *nperiph; 799 struct cam_path *path; 800 cam_status status; 801 int found; 802 803 /* Set the changer flag in the current device's softc */ 804 softc->flags |= CD_FLAG_CHANGER; 805 806 if (num_changers == 0) 807 STAILQ_INIT(&changerq); 808 809 /* 810 * Now, look around for an existing changer device with the 811 * same path and target ID as the current device. 812 */ 813 for (found = 0, 814 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 815 nchanger != NULL; 816 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 817 if ((nchanger->path_id == cgd->ccb_h.path_id) 818 && (nchanger->target_id == cgd->ccb_h.target_id)) { 819 found = 1; 820 break; 821 } 822 } 823 824 /* 825 * If we found a matching entry, just add this device to 826 * the list of devices on this changer. 827 */ 828 if (found == 1) { 829 struct chdevlist *chlunhead; 830 831 chlunhead = &nchanger->chluns; 832 833 /* 834 * XXX KDM look at consolidating this code with the 835 * code below in a separate function. 836 */ 837 838 /* 839 * Create a path with lun id 0, and see if we can 840 * find a matching device 841 */ 842 status = xpt_create_path(&path, /*periph*/ periph, 843 cgd->ccb_h.path_id, 844 cgd->ccb_h.target_id, 0); 845 846 if ((status == CAM_REQ_CMP) 847 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 848 struct cd_softc *nsoftc; 849 850 nsoftc = (struct cd_softc *)nperiph->softc; 851 852 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 853 nsoftc->flags |= CD_FLAG_CHANGER; 854 nchanger->num_devices++; 855 if (camq_resize(&nchanger->devq, 856 nchanger->num_devices)!=CAM_REQ_CMP){ 857 kprintf("cdregister: " 858 "camq_resize " 859 "failed, changer " 860 "support may " 861 "be messed up\n"); 862 } 863 nsoftc->changer = nchanger; 864 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 865 866 STAILQ_INSERT_TAIL(&nchanger->chluns, 867 nsoftc,changer_links); 868 } 869 xpt_free_path(path); 870 } else if (status == CAM_REQ_CMP) 871 xpt_free_path(path); 872 else { 873 kprintf("cdregister: unable to allocate path\n" 874 "cdregister: changer support may be " 875 "broken\n"); 876 } 877 878 nchanger->num_devices++; 879 880 softc->changer = nchanger; 881 softc->pinfo.index = CAM_UNQUEUED_INDEX; 882 883 if (camq_resize(&nchanger->devq, 884 nchanger->num_devices) != CAM_REQ_CMP) { 885 kprintf("cdregister: camq_resize " 886 "failed, changer support may " 887 "be messed up\n"); 888 } 889 890 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 891 } 892 /* 893 * In this case, we don't already have an entry for this 894 * particular changer, so we need to create one, add it to 895 * the queue, and queue this device on the list for this 896 * changer. Before we queue this device, however, we need 897 * to search for lun id 0 on this target, and add it to the 898 * queue first, if it exists. (and if it hasn't already 899 * been marked as part of the changer.) 900 */ 901 else { 902 nchanger = kmalloc(sizeof(struct cdchanger), 903 M_DEVBUF, M_INTWAIT | M_ZERO); 904 callout_init(&nchanger->short_handle); 905 callout_init(&nchanger->long_handle); 906 if (camq_init(&nchanger->devq, 1) != 0) { 907 softc->flags &= ~CD_FLAG_CHANGER; 908 kprintf("cdregister: changer support " 909 "disabled\n"); 910 goto cdregisterexit; 911 } 912 913 num_changers++; 914 915 nchanger->path_id = cgd->ccb_h.path_id; 916 nchanger->target_id = cgd->ccb_h.target_id; 917 918 /* this is superfluous, but it makes things clearer */ 919 nchanger->num_devices = 0; 920 921 STAILQ_INIT(&nchanger->chluns); 922 923 STAILQ_INSERT_TAIL(&changerq, nchanger, 924 changer_links); 925 926 /* 927 * Create a path with lun id 0, and see if we can 928 * find a matching device 929 */ 930 status = xpt_create_path(&path, /*periph*/ periph, 931 cgd->ccb_h.path_id, 932 cgd->ccb_h.target_id, 0); 933 934 /* 935 * If we were able to allocate the path, and if we 936 * find a matching device and it isn't already 937 * marked as part of a changer, then we add it to 938 * the current changer. 939 */ 940 if ((status == CAM_REQ_CMP) 941 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 942 && ((((struct cd_softc *)periph->softc)->flags & 943 CD_FLAG_CHANGER) == 0)) { 944 struct cd_softc *nsoftc; 945 946 nsoftc = (struct cd_softc *)nperiph->softc; 947 948 nsoftc->flags |= CD_FLAG_CHANGER; 949 nchanger->num_devices++; 950 if (camq_resize(&nchanger->devq, 951 nchanger->num_devices) != CAM_REQ_CMP) { 952 kprintf("cdregister: camq_resize " 953 "failed, changer support may " 954 "be messed up\n"); 955 } 956 nsoftc->changer = nchanger; 957 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 958 959 STAILQ_INSERT_TAIL(&nchanger->chluns, 960 nsoftc, changer_links); 961 xpt_free_path(path); 962 } else if (status == CAM_REQ_CMP) 963 xpt_free_path(path); 964 else { 965 kprintf("cdregister: unable to allocate path\n" 966 "cdregister: changer support may be " 967 "broken\n"); 968 } 969 970 softc->changer = nchanger; 971 softc->pinfo.index = CAM_UNQUEUED_INDEX; 972 nchanger->num_devices++; 973 if (camq_resize(&nchanger->devq, 974 nchanger->num_devices) != CAM_REQ_CMP) { 975 kprintf("cdregister: camq_resize " 976 "failed, changer support may " 977 "be messed up\n"); 978 } 979 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 980 changer_links); 981 } 982 } 983 984 cdregisterexit: 985 986 /* Lock this peripheral until we are setup */ 987 /* Can't block */ 988 cam_periph_lock(periph, 0); 989 990 if ((softc->flags & CD_FLAG_CHANGER) == 0) 991 xpt_schedule(periph, /*priority*/5); 992 else 993 cdschedule(periph, /*priority*/ 5); 994 995 return(CAM_REQ_CMP); 996 } 997 998 static int 999 cdopen(struct dev_open_args *ap) 1000 { 1001 cdev_t dev = ap->a_head.a_dev; 1002 struct cam_periph *periph; 1003 struct cd_softc *softc; 1004 int unit, error; 1005 1006 unit = dkunit(dev); 1007 periph = cam_extend_get(cdperiphs, unit); 1008 1009 if (periph == NULL) 1010 return (ENXIO); 1011 1012 softc = (struct cd_softc *)periph->softc; 1013 1014 /* 1015 * Grab a critical section and hold it until we lock the peripheral. 1016 */ 1017 crit_enter(); 1018 if (softc->flags & CD_FLAG_INVALID) { 1019 crit_exit(); 1020 return(ENXIO); 1021 } 1022 1023 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1024 crit_exit(); 1025 return (error); 1026 } 1027 1028 crit_exit(); 1029 1030 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1031 return(ENXIO); 1032 1033 /* 1034 * Check for media, and set the appropriate flags. We don't bail 1035 * if we don't have media, but then we don't allow anything but the 1036 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1037 * 1038 * XXX KDM for now, we do fail the open if we don't have media. We 1039 * can change this once we've figured out how to make the slice 1040 * code work well with media changing underneath it. 1041 */ 1042 error = cdcheckmedia(periph); 1043 1044 if (error == 0) 1045 softc->flags |= CD_FLAG_OPEN; 1046 1047 cam_periph_unlock(periph); 1048 1049 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1050 1051 return (error); 1052 } 1053 1054 static int 1055 cdclose(struct dev_close_args *ap) 1056 { 1057 cdev_t dev = ap->a_head.a_dev; 1058 struct cam_periph *periph; 1059 struct cd_softc *softc; 1060 int unit, error; 1061 1062 unit = dkunit(dev); 1063 periph = cam_extend_get(cdperiphs, unit); 1064 if (periph == NULL) 1065 return (ENXIO); 1066 1067 softc = (struct cd_softc *)periph->softc; 1068 1069 if ((error = cam_periph_lock(periph, 0)) != 0) 1070 return (error); 1071 1072 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1073 cdprevent(periph, PR_ALLOW); 1074 1075 /* 1076 * Unconditionally set the dsopen() flags back to their default 1077 * state. 1078 */ 1079 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1080 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1081 1082 /* 1083 * Since we're closing this CD, mark the blocksize as unavailable. 1084 * It will be marked as available when the CD is opened again. 1085 */ 1086 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1087 1088 /* 1089 * We'll check the media and toc again at the next open(). 1090 */ 1091 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1092 1093 softc->flags &= ~CD_FLAG_OPEN; 1094 1095 cam_periph_unlock(periph); 1096 cam_periph_release(periph); 1097 1098 return (0); 1099 } 1100 1101 static void 1102 cdshorttimeout(void *arg) 1103 { 1104 struct cdchanger *changer; 1105 1106 crit_enter(); 1107 1108 changer = (struct cdchanger *)arg; 1109 1110 /* Always clear the short timeout flag, since that's what we're in */ 1111 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1112 1113 /* 1114 * Check to see if there is any more pending or outstanding I/O for 1115 * this device. If not, move it out of the active slot. 1116 */ 1117 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1118 && (changer->cur_device->device_stats.busy_count == 0)) { 1119 changer->flags |= CHANGER_MANUAL_CALL; 1120 cdrunchangerqueue(changer); 1121 } 1122 crit_exit(); 1123 } 1124 1125 /* 1126 * This is a wrapper for xpt_schedule. It only applies to changers. 1127 */ 1128 static void 1129 cdschedule(struct cam_periph *periph, int priority) 1130 { 1131 struct cd_softc *softc; 1132 1133 crit_enter(); 1134 1135 softc = (struct cd_softc *)periph->softc; 1136 1137 /* 1138 * If this device isn't currently queued, and if it isn't 1139 * the active device, then we queue this device and run the 1140 * changer queue if there is no timeout scheduled to do it. 1141 * If this device is the active device, just schedule it 1142 * to run again. If this device is queued, there should be 1143 * a timeout in place already that will make sure it runs. 1144 */ 1145 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1146 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1147 /* 1148 * We don't do anything with the priority here. 1149 * This is strictly a fifo queue. 1150 */ 1151 softc->pinfo.priority = 1; 1152 softc->pinfo.generation = ++softc->changer->devq.generation; 1153 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1154 1155 /* 1156 * Since we just put a device in the changer queue, 1157 * check and see if there is a timeout scheduled for 1158 * this changer. If so, let the timeout handle 1159 * switching this device into the active slot. If 1160 * not, manually call the timeout routine to 1161 * bootstrap things. 1162 */ 1163 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1164 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1165 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1166 softc->changer->flags |= CHANGER_MANUAL_CALL; 1167 cdrunchangerqueue(softc->changer); 1168 } 1169 } else if ((softc->flags & CD_FLAG_ACTIVE) 1170 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1171 xpt_schedule(periph, priority); 1172 } 1173 crit_exit(); 1174 } 1175 1176 static void 1177 cdrunchangerqueue(void *arg) 1178 { 1179 struct cd_softc *softc; 1180 struct cdchanger *changer; 1181 int called_from_timeout; 1182 1183 crit_enter(); 1184 1185 changer = (struct cdchanger *)arg; 1186 1187 /* 1188 * If we have NOT been called from cdstrategy() or cddone(), and 1189 * instead from a timeout routine, go ahead and clear the 1190 * timeout flag. 1191 */ 1192 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1193 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1194 called_from_timeout = 1; 1195 } else 1196 called_from_timeout = 0; 1197 1198 /* Always clear the manual call flag */ 1199 changer->flags &= ~CHANGER_MANUAL_CALL; 1200 1201 /* nothing to do if the queue is empty */ 1202 if (changer->devq.entries <= 0) { 1203 crit_exit(); 1204 return; 1205 } 1206 1207 /* 1208 * If the changer queue is frozen, that means we have an active 1209 * device. 1210 */ 1211 if (changer->devq.qfrozen_cnt > 0) { 1212 1213 if (changer->cur_device->device_stats.busy_count > 0) { 1214 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1215 changer->cur_device->bufs_left = 1216 changer->cur_device->device_stats.busy_count; 1217 if (called_from_timeout) { 1218 callout_reset(&changer->long_handle, 1219 changer_max_busy_seconds * hz, 1220 cdrunchangerqueue, changer); 1221 changer->flags |= CHANGER_TIMEOUT_SCHED; 1222 } 1223 crit_exit(); 1224 return; 1225 } 1226 1227 /* 1228 * We always need to reset the frozen count and clear the 1229 * active flag. 1230 */ 1231 changer->devq.qfrozen_cnt--; 1232 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1233 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1234 1235 /* 1236 * Check to see whether the current device has any I/O left 1237 * to do. If so, requeue it at the end of the queue. If 1238 * not, there is no need to requeue it. 1239 */ 1240 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1241 1242 changer->cur_device->pinfo.generation = 1243 ++changer->devq.generation; 1244 camq_insert(&changer->devq, 1245 (cam_pinfo *)changer->cur_device); 1246 } 1247 } 1248 1249 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1250 1251 changer->cur_device = softc; 1252 1253 changer->devq.qfrozen_cnt++; 1254 softc->flags |= CD_FLAG_ACTIVE; 1255 1256 /* Just in case this device is waiting */ 1257 wakeup(&softc->changer); 1258 xpt_schedule(softc->periph, /*priority*/ 1); 1259 1260 /* 1261 * Get rid of any pending timeouts, and set a flag to schedule new 1262 * ones so this device gets its full time quantum. 1263 */ 1264 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1265 callout_stop(&changer->long_handle); 1266 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1267 } 1268 1269 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1270 callout_stop(&changer->short_handle); 1271 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1272 } 1273 1274 /* 1275 * We need to schedule timeouts, but we only do this after the 1276 * first transaction has completed. This eliminates the changer 1277 * switch time. 1278 */ 1279 changer->flags |= CHANGER_NEED_TIMEOUT; 1280 1281 crit_exit(); 1282 } 1283 1284 static void 1285 cdchangerschedule(struct cd_softc *softc) 1286 { 1287 struct cdchanger *changer; 1288 1289 crit_enter(); 1290 1291 changer = softc->changer; 1292 1293 /* 1294 * If this is a changer, and this is the current device, 1295 * and this device has at least the minimum time quantum to 1296 * run, see if we can switch it out. 1297 */ 1298 if ((softc->flags & CD_FLAG_ACTIVE) 1299 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1300 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1301 /* 1302 * We try three things here. The first is that we 1303 * check to see whether the schedule on completion 1304 * flag is set. If it is, we decrement the number 1305 * of buffers left, and if it's zero, we reschedule. 1306 * Next, we check to see whether the pending buffer 1307 * queue is empty and whether there are no 1308 * outstanding transactions. If so, we reschedule. 1309 * Next, we see if the pending buffer queue is empty. 1310 * If it is, we set the number of buffers left to 1311 * the current active buffer count and set the 1312 * schedule on complete flag. 1313 */ 1314 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1315 if (--softc->bufs_left == 0) { 1316 softc->changer->flags |= 1317 CHANGER_MANUAL_CALL; 1318 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1319 cdrunchangerqueue(softc->changer); 1320 } 1321 } else if ((bioq_first(&softc->bio_queue) == NULL) 1322 && (softc->device_stats.busy_count == 0)) { 1323 softc->changer->flags |= CHANGER_MANUAL_CALL; 1324 cdrunchangerqueue(softc->changer); 1325 } 1326 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1327 && (softc->flags & CD_FLAG_ACTIVE)) { 1328 1329 /* 1330 * Now that the first transaction to this 1331 * particular device has completed, we can go ahead 1332 * and schedule our timeouts. 1333 */ 1334 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1335 callout_reset(&changer->long_handle, 1336 changer_max_busy_seconds * hz, 1337 cdrunchangerqueue, changer); 1338 changer->flags |= CHANGER_TIMEOUT_SCHED; 1339 } else 1340 kprintf("cdchangerschedule: already have a long" 1341 " timeout!\n"); 1342 1343 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1344 callout_reset(&changer->short_handle, 1345 changer_min_busy_seconds * hz, 1346 cdshorttimeout, changer); 1347 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1348 } else 1349 kprintf("cdchangerschedule: already have a short " 1350 "timeout!\n"); 1351 1352 /* 1353 * We just scheduled timeouts, no need to schedule 1354 * more. 1355 */ 1356 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1357 1358 } 1359 crit_exit(); 1360 } 1361 1362 static int 1363 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1364 u_int32_t cam_flags, 1365 u_int32_t sense_flags), 1366 u_int32_t cam_flags, u_int32_t sense_flags) 1367 { 1368 struct cd_softc *softc; 1369 struct cam_periph *periph; 1370 int error; 1371 1372 periph = xpt_path_periph(ccb->ccb_h.path); 1373 softc = (struct cd_softc *)periph->softc; 1374 1375 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1376 &softc->device_stats); 1377 1378 if (softc->flags & CD_FLAG_CHANGER) 1379 cdchangerschedule(softc); 1380 1381 return(error); 1382 } 1383 1384 static union ccb * 1385 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1386 { 1387 struct cd_softc *softc; 1388 1389 softc = (struct cd_softc *)periph->softc; 1390 1391 if (softc->flags & CD_FLAG_CHANGER) { 1392 crit_enter(); 1393 1394 /* 1395 * This should work the first time this device is woken up, 1396 * but just in case it doesn't, we use a while loop. 1397 */ 1398 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1399 /* 1400 * If this changer isn't already queued, queue it up. 1401 */ 1402 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1403 softc->pinfo.priority = 1; 1404 softc->pinfo.generation = 1405 ++softc->changer->devq.generation; 1406 camq_insert(&softc->changer->devq, 1407 (cam_pinfo *)softc); 1408 } 1409 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1410 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1411 && ((softc->changer->flags 1412 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1413 softc->changer->flags |= CHANGER_MANUAL_CALL; 1414 cdrunchangerqueue(softc->changer); 1415 } else 1416 tsleep(&softc->changer, 0, "cgticb", 0); 1417 } 1418 crit_exit(); 1419 } 1420 return(cam_periph_getccb(periph, priority)); 1421 } 1422 1423 /* 1424 * Actually translate the requested transfer into one the physical driver 1425 * can understand. The transfer is described by a buf and will include 1426 * only one physical transfer. 1427 */ 1428 static int 1429 cdstrategy(struct dev_strategy_args *ap) 1430 { 1431 cdev_t dev = ap->a_head.a_dev; 1432 struct bio *bio = ap->a_bio; 1433 struct buf *bp = bio->bio_buf; 1434 struct cam_periph *periph; 1435 struct cd_softc *softc; 1436 u_int unit, part; 1437 1438 unit = dkunit(dev); 1439 part = dkpart(dev); 1440 periph = cam_extend_get(cdperiphs, unit); 1441 if (periph == NULL) { 1442 bp->b_error = ENXIO; 1443 goto bad; 1444 } 1445 1446 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1447 1448 softc = (struct cd_softc *)periph->softc; 1449 1450 /* 1451 * Mask interrupts so that the pack cannot be invalidated until 1452 * after we are in the queue. Otherwise, we might not properly 1453 * clean up one of the buffers. 1454 */ 1455 crit_enter(); 1456 1457 /* 1458 * If the device has been made invalid, error out 1459 */ 1460 if ((softc->flags & CD_FLAG_INVALID)) { 1461 crit_exit(); 1462 bp->b_error = ENXIO; 1463 goto bad; 1464 } 1465 1466 /* 1467 * If we don't have valid media, look for it before trying to 1468 * schedule the I/O. 1469 */ 1470 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1471 int error; 1472 1473 error = cdcheckmedia(periph); 1474 if (error != 0) { 1475 crit_exit(); 1476 bp->b_error = error; 1477 goto bad; 1478 } 1479 } 1480 1481 /* 1482 * Place it in the queue of disk activities for this disk 1483 */ 1484 bioqdisksort(&softc->bio_queue, bio); 1485 1486 crit_exit(); 1487 1488 /* 1489 * Schedule ourselves for performing the work. We do things 1490 * differently for changers. 1491 */ 1492 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1493 xpt_schedule(periph, /* XXX priority */1); 1494 else 1495 cdschedule(periph, /* priority */ 1); 1496 1497 return(0); 1498 bad: 1499 bp->b_flags |= B_ERROR; 1500 /* 1501 * Correctly set the buf to indicate a completed xfer 1502 */ 1503 bp->b_resid = bp->b_bcount; 1504 biodone(bio); 1505 return(0); 1506 } 1507 1508 static void 1509 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1510 { 1511 struct cd_softc *softc; 1512 struct bio *bio; 1513 struct buf *bp; 1514 struct ccb_scsiio *csio; 1515 struct scsi_read_capacity_data *rcap; 1516 1517 softc = (struct cd_softc *)periph->softc; 1518 1519 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1520 1521 switch (softc->state) { 1522 case CD_STATE_NORMAL: 1523 { 1524 crit_enter(); 1525 bio = bioq_first(&softc->bio_queue); 1526 if (periph->immediate_priority <= periph->pinfo.priority) { 1527 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1528 1529 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1530 periph_links.sle); 1531 periph->immediate_priority = CAM_PRIORITY_NONE; 1532 crit_exit(); 1533 wakeup(&periph->ccb_list); 1534 } else if (bio == NULL) { 1535 crit_exit(); 1536 xpt_release_ccb(start_ccb); 1537 } else { 1538 bp = bio->bio_buf; 1539 bioq_remove(&softc->bio_queue, bio); 1540 1541 devstat_start_transaction(&softc->device_stats); 1542 1543 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1544 1545 scsi_read_write(&start_ccb->csio, 1546 /*retries*/4, 1547 /* cbfcnp */ cddone, 1548 (bp->b_flags & B_ORDERED) != 0 ? 1549 MSG_ORDERED_Q_TAG : 1550 MSG_SIMPLE_Q_TAG, 1551 /* read */(bp->b_cmd == BUF_CMD_READ), 1552 /* byte2 */ 0, 1553 /* minimum_cmd_size */ 10, 1554 /* lba */ 1555 bio->bio_offset / softc->params.blksize, 1556 bp->b_bcount / softc->params.blksize, 1557 /* data_ptr */ bp->b_data, 1558 /* dxfer_len */ bp->b_bcount, 1559 /* sense_len */ SSD_FULL_SIZE, 1560 /* timeout */ 30000); 1561 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1562 1563 1564 /* 1565 * Block out any asyncronous callbacks 1566 * while we touch the pending ccb list. 1567 */ 1568 LIST_INSERT_HEAD(&softc->pending_ccbs, 1569 &start_ccb->ccb_h, periph_links.le); 1570 1571 /* We expect a unit attention from this device */ 1572 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1573 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1574 softc->flags &= ~CD_FLAG_RETRY_UA; 1575 } 1576 1577 start_ccb->ccb_h.ccb_bio = bio; 1578 bio = bioq_first(&softc->bio_queue); 1579 crit_exit(); 1580 1581 xpt_action(start_ccb); 1582 } 1583 if (bio != NULL) { 1584 /* Have more work to do, so ensure we stay scheduled */ 1585 xpt_schedule(periph, /* XXX priority */1); 1586 } 1587 break; 1588 } 1589 case CD_STATE_PROBE: 1590 { 1591 1592 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1593 csio = &start_ccb->csio; 1594 scsi_read_capacity(csio, 1595 /*retries*/1, 1596 cddone, 1597 MSG_SIMPLE_Q_TAG, 1598 rcap, 1599 SSD_FULL_SIZE, 1600 /*timeout*/20000); 1601 start_ccb->ccb_h.ccb_bio = NULL; 1602 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1603 xpt_action(start_ccb); 1604 break; 1605 } 1606 } 1607 } 1608 1609 static void 1610 cddone(struct cam_periph *periph, union ccb *done_ccb) 1611 { 1612 struct cd_softc *softc; 1613 struct ccb_scsiio *csio; 1614 1615 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1616 1617 softc = (struct cd_softc *)periph->softc; 1618 csio = &done_ccb->csio; 1619 1620 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1621 case CD_CCB_BUFFER_IO: 1622 { 1623 struct buf *bp; 1624 struct bio *bio; 1625 int error; 1626 1627 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1628 bp = bio->bio_buf; 1629 error = 0; 1630 1631 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1632 int sf; 1633 1634 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1635 sf = SF_RETRY_UA; 1636 else 1637 sf = 0; 1638 1639 /* Retry selection timeouts */ 1640 sf |= SF_RETRY_SELTO; 1641 1642 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1643 /* 1644 * A retry was scheuled, so 1645 * just return. 1646 */ 1647 return; 1648 } 1649 } 1650 1651 if (error != 0) { 1652 struct bio *q_bio; 1653 struct buf *q_bp; 1654 1655 xpt_print_path(periph->path); 1656 kprintf("cddone: got error %#x back\n", error); 1657 crit_enter(); 1658 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1659 bioq_remove(&softc->bio_queue, q_bio); 1660 q_bp = q_bio->bio_buf; 1661 q_bp->b_resid = q_bp->b_bcount; 1662 q_bp->b_error = EIO; 1663 q_bp->b_flags |= B_ERROR; 1664 biodone(q_bio); 1665 } 1666 crit_exit(); 1667 bp->b_resid = bp->b_bcount; 1668 bp->b_error = error; 1669 bp->b_flags |= B_ERROR; 1670 cam_release_devq(done_ccb->ccb_h.path, 1671 /*relsim_flags*/0, 1672 /*reduction*/0, 1673 /*timeout*/0, 1674 /*getcount_only*/0); 1675 1676 } else { 1677 bp->b_resid = csio->resid; 1678 bp->b_error = 0; 1679 if (bp->b_resid != 0) { 1680 /* Short transfer ??? */ 1681 bp->b_flags |= B_ERROR; 1682 } 1683 } 1684 1685 /* 1686 * Block out any asyncronous callbacks 1687 * while we touch the pending ccb list. 1688 */ 1689 crit_enter(); 1690 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1691 crit_exit(); 1692 1693 if (softc->flags & CD_FLAG_CHANGER) 1694 cdchangerschedule(softc); 1695 1696 devstat_end_transaction_buf(&softc->device_stats, bp); 1697 biodone(bio); 1698 break; 1699 } 1700 case CD_CCB_PROBE: 1701 { 1702 struct scsi_read_capacity_data *rdcap; 1703 char announce_buf[120]; /* 1704 * Currently (9/30/97) the 1705 * longest possible announce 1706 * buffer is 108 bytes, for the 1707 * first error case below. 1708 * That is 39 bytes for the 1709 * basic string, 16 bytes for the 1710 * biggest sense key (hardware 1711 * error), 52 bytes for the 1712 * text of the largest sense 1713 * qualifier valid for a CDROM, 1714 * (0x72, 0x03 or 0x04, 1715 * 0x03), and one byte for the 1716 * null terminating character. 1717 * To allow for longer strings, 1718 * the announce buffer is 120 1719 * bytes. 1720 */ 1721 struct cd_params *cdp; 1722 1723 cdp = &softc->params; 1724 1725 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1726 1727 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1728 cdp->blksize = scsi_4btoul (rdcap->length); 1729 1730 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1731 1732 ksnprintf(announce_buf, sizeof(announce_buf), 1733 "cd present [%lu x %lu byte records]", 1734 cdp->disksize, (u_long)cdp->blksize); 1735 1736 } else { 1737 int error; 1738 /* 1739 * Retry any UNIT ATTENTION type errors. They 1740 * are expected at boot. 1741 */ 1742 error = cderror(done_ccb, 0, SF_RETRY_UA | 1743 SF_NO_PRINT | SF_RETRY_SELTO); 1744 if (error == ERESTART) { 1745 /* 1746 * A retry was scheuled, so 1747 * just return. 1748 */ 1749 return; 1750 } else if (error != 0) { 1751 1752 struct scsi_sense_data *sense; 1753 int asc, ascq; 1754 int sense_key, error_code; 1755 int have_sense; 1756 cam_status status; 1757 struct ccb_getdev cgd; 1758 1759 /* Don't wedge this device's queue */ 1760 cam_release_devq(done_ccb->ccb_h.path, 1761 /*relsim_flags*/0, 1762 /*reduction*/0, 1763 /*timeout*/0, 1764 /*getcount_only*/0); 1765 1766 status = done_ccb->ccb_h.status; 1767 1768 xpt_setup_ccb(&cgd.ccb_h, 1769 done_ccb->ccb_h.path, 1770 /* priority */ 1); 1771 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1772 xpt_action((union ccb *)&cgd); 1773 1774 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1775 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1776 || ((status & CAM_AUTOSNS_VALID) == 0)) 1777 have_sense = FALSE; 1778 else 1779 have_sense = TRUE; 1780 1781 if (have_sense) { 1782 sense = &csio->sense_data; 1783 scsi_extract_sense(sense, &error_code, 1784 &sense_key, 1785 &asc, &ascq); 1786 } 1787 /* 1788 * Attach to anything that claims to be a 1789 * CDROM or WORM device, as long as it 1790 * doesn't return a "Logical unit not 1791 * supported" (0x25) error. 1792 */ 1793 if ((have_sense) && (asc != 0x25) 1794 && (error_code == SSD_CURRENT_ERROR)) 1795 ksnprintf(announce_buf, 1796 sizeof(announce_buf), 1797 "Attempt to query device " 1798 "size failed: %s, %s", 1799 scsi_sense_key_text[sense_key], 1800 scsi_sense_desc(asc,ascq, 1801 &cgd.inq_data)); 1802 else if ((have_sense == 0) 1803 && ((status & CAM_STATUS_MASK) == 1804 CAM_SCSI_STATUS_ERROR) 1805 && (csio->scsi_status == 1806 SCSI_STATUS_BUSY)) { 1807 ksnprintf(announce_buf, 1808 sizeof(announce_buf), 1809 "Attempt to query device " 1810 "size failed: SCSI status: BUSY"); 1811 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1812 /* 1813 * We only print out an error for 1814 * CDROM type devices. For WORM 1815 * devices, we don't print out an 1816 * error since a few WORM devices 1817 * don't support CDROM commands. 1818 * If we have sense information, go 1819 * ahead and print it out. 1820 * Otherwise, just say that we 1821 * couldn't attach. 1822 */ 1823 1824 /* 1825 * Just print out the error, not 1826 * the full probe message, when we 1827 * don't attach. 1828 */ 1829 if (have_sense) 1830 scsi_sense_print( 1831 &done_ccb->csio); 1832 else { 1833 xpt_print_path(periph->path); 1834 kprintf("got CAM status %#x\n", 1835 done_ccb->ccb_h.status); 1836 } 1837 xpt_print_path(periph->path); 1838 kprintf("fatal error, failed" 1839 " to attach to device\n"); 1840 1841 /* 1842 * Invalidate this peripheral. 1843 */ 1844 cam_periph_invalidate(periph); 1845 1846 announce_buf[0] = '\0'; 1847 } else { 1848 1849 /* 1850 * Invalidate this peripheral. 1851 */ 1852 cam_periph_invalidate(periph); 1853 announce_buf[0] = '\0'; 1854 } 1855 } 1856 } 1857 kfree(rdcap, M_TEMP); 1858 if (announce_buf[0] != '\0') { 1859 xpt_announce_periph(periph, announce_buf); 1860 if (softc->flags & CD_FLAG_CHANGER) 1861 cdchangerschedule(softc); 1862 /* 1863 * Create our sysctl variables, now that we know 1864 * we have successfully attached. 1865 */ 1866 taskqueue_enqueue(taskqueue_thread[mycpuid], 1867 &softc->sysctl_task); 1868 } 1869 softc->state = CD_STATE_NORMAL; 1870 /* 1871 * Since our peripheral may be invalidated by an error 1872 * above or an external event, we must release our CCB 1873 * before releasing the probe lock on the peripheral. 1874 * The peripheral will only go away once the last lock 1875 * is removed, and we need it around for the CCB release 1876 * operation. 1877 */ 1878 xpt_release_ccb(done_ccb); 1879 cam_periph_unlock(periph); 1880 return; 1881 } 1882 case CD_CCB_WAITING: 1883 { 1884 /* Caller will release the CCB */ 1885 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1886 ("trying to wakeup ccbwait\n")); 1887 1888 wakeup(&done_ccb->ccb_h.cbfcnp); 1889 return; 1890 } 1891 default: 1892 break; 1893 } 1894 xpt_release_ccb(done_ccb); 1895 } 1896 1897 static union cd_pages * 1898 cdgetpage(struct cd_mode_params *mode_params) 1899 { 1900 union cd_pages *page; 1901 1902 if (mode_params->cdb_size == 10) 1903 page = (union cd_pages *)find_mode_page_10( 1904 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1905 else 1906 page = (union cd_pages *)find_mode_page_6( 1907 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1908 1909 return (page); 1910 } 1911 1912 static int 1913 cdgetpagesize(int page_num) 1914 { 1915 int i; 1916 1917 for (i = 0; i < (sizeof(cd_page_size_table)/ 1918 sizeof(cd_page_size_table[0])); i++) { 1919 if (cd_page_size_table[i].page == page_num) 1920 return (cd_page_size_table[i].page_size); 1921 } 1922 return (-1); 1923 } 1924 1925 static int 1926 cdioctl(struct dev_ioctl_args *ap) 1927 { 1928 cdev_t dev = ap->a_head.a_dev; 1929 caddr_t addr = ap->a_data; 1930 struct cam_periph *periph; 1931 struct cd_softc *softc; 1932 int error, unit; 1933 1934 unit = dkunit(dev); 1935 1936 periph = cam_extend_get(cdperiphs, unit); 1937 if (periph == NULL) 1938 return(ENXIO); 1939 1940 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1941 1942 softc = (struct cd_softc *)periph->softc; 1943 1944 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1945 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1946 1947 error = cam_periph_lock(periph, PCATCH); 1948 1949 if (error != 0) 1950 return(error); 1951 1952 /* 1953 * If we don't have media loaded, check for it. If still don't 1954 * have media loaded, we can only do a load or eject. 1955 */ 1956 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1957 && ((ap->a_cmd != CDIOCCLOSE) 1958 && (ap->a_cmd != CDIOCEJECT))) { 1959 error = cdcheckmedia(periph); 1960 if (error != 0) { 1961 cam_periph_unlock(periph); 1962 return (error); 1963 } 1964 } 1965 1966 switch (ap->a_cmd) { 1967 1968 case CDIOCPLAYTRACKS: 1969 { 1970 struct ioc_play_track *args 1971 = (struct ioc_play_track *)addr; 1972 struct cd_mode_params params; 1973 union cd_pages *page; 1974 1975 params.alloc_len = sizeof(union cd_mode_data_6_10); 1976 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 1977 M_WAITOK | M_ZERO); 1978 1979 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1980 ("trying to do CDIOCPLAYTRACKS\n")); 1981 1982 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1983 if (error) { 1984 kfree(params.mode_buf, M_TEMP); 1985 break; 1986 } 1987 page = cdgetpage(¶ms); 1988 1989 page->audio.flags &= ~CD_PA_SOTC; 1990 page->audio.flags |= CD_PA_IMMED; 1991 error = cdsetmode(periph, ¶ms); 1992 kfree(params.mode_buf, M_TEMP); 1993 if (error) 1994 break; 1995 1996 /* 1997 * This was originally implemented with the PLAY 1998 * AUDIO TRACK INDEX command, but that command was 1999 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2000 * drives support it but ATAPI and ATAPI-derivative 2001 * drives don't seem to support it. So we keep a 2002 * cache of the table of contents and translate 2003 * track numbers to MSF format. 2004 */ 2005 if (softc->flags & CD_FLAG_VALID_TOC) { 2006 union msf_lba *sentry, *eentry; 2007 int st, et; 2008 2009 if (args->end_track < 2010 softc->toc.header.ending_track + 1) 2011 args->end_track++; 2012 if (args->end_track > 2013 softc->toc.header.ending_track + 1) 2014 args->end_track = 2015 softc->toc.header.ending_track + 1; 2016 st = args->start_track - 2017 softc->toc.header.starting_track; 2018 et = args->end_track - 2019 softc->toc.header.starting_track; 2020 if ((st < 0) 2021 || (et < 0) 2022 || (st > (softc->toc.header.ending_track - 2023 softc->toc.header.starting_track))) { 2024 error = EINVAL; 2025 break; 2026 } 2027 sentry = &softc->toc.entries[st].addr; 2028 eentry = &softc->toc.entries[et].addr; 2029 error = cdplaymsf(periph, 2030 sentry->msf.minute, 2031 sentry->msf.second, 2032 sentry->msf.frame, 2033 eentry->msf.minute, 2034 eentry->msf.second, 2035 eentry->msf.frame); 2036 } else { 2037 /* 2038 * If we don't have a valid TOC, try the 2039 * play track index command. It is part of 2040 * the SCSI-2 spec, but was removed in the 2041 * MMC specs. ATAPI and ATAPI-derived 2042 * drives don't support it. 2043 */ 2044 if (softc->quirks & CD_Q_BCD_TRACKS) { 2045 args->start_track = 2046 bin2bcd(args->start_track); 2047 args->end_track = 2048 bin2bcd(args->end_track); 2049 } 2050 error = cdplaytracks(periph, 2051 args->start_track, 2052 args->start_index, 2053 args->end_track, 2054 args->end_index); 2055 } 2056 } 2057 break; 2058 case CDIOCPLAYMSF: 2059 { 2060 struct ioc_play_msf *args 2061 = (struct ioc_play_msf *) addr; 2062 struct cd_mode_params params; 2063 union cd_pages *page; 2064 2065 params.alloc_len = sizeof(union cd_mode_data_6_10); 2066 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2067 M_WAITOK | M_ZERO); 2068 2069 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2070 ("trying to do CDIOCPLAYMSF\n")); 2071 2072 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2073 if (error) { 2074 kfree(params.mode_buf, M_TEMP); 2075 break; 2076 } 2077 page = cdgetpage(¶ms); 2078 2079 page->audio.flags &= ~CD_PA_SOTC; 2080 page->audio.flags |= CD_PA_IMMED; 2081 error = cdsetmode(periph, ¶ms); 2082 kfree(params.mode_buf, M_TEMP); 2083 if (error) 2084 break; 2085 error = cdplaymsf(periph, 2086 args->start_m, 2087 args->start_s, 2088 args->start_f, 2089 args->end_m, 2090 args->end_s, 2091 args->end_f); 2092 } 2093 break; 2094 case CDIOCPLAYBLOCKS: 2095 { 2096 struct ioc_play_blocks *args 2097 = (struct ioc_play_blocks *) addr; 2098 struct cd_mode_params params; 2099 union cd_pages *page; 2100 2101 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2102 ("trying to do CDIOCPLAYBLOCKS\n")); 2103 2104 params.alloc_len = sizeof(union cd_mode_data_6_10); 2105 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2106 M_WAITOK | M_ZERO); 2107 2108 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2109 if (error) { 2110 kfree(params.mode_buf, M_TEMP); 2111 break; 2112 } 2113 page = cdgetpage(¶ms); 2114 2115 page->audio.flags &= ~CD_PA_SOTC; 2116 page->audio.flags |= CD_PA_IMMED; 2117 error = cdsetmode(periph, ¶ms); 2118 kfree(params.mode_buf, M_TEMP); 2119 if (error) 2120 break; 2121 error = cdplay(periph, args->blk, args->len); 2122 } 2123 break; 2124 case CDIOCREADSUBCHANNEL: 2125 { 2126 struct ioc_read_subchannel *args 2127 = (struct ioc_read_subchannel *) addr; 2128 struct cd_sub_channel_info *data; 2129 u_int32_t len = args->data_len; 2130 2131 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2132 ("trying to do CDIOCREADSUBCHANNEL\n")); 2133 2134 data = kmalloc(sizeof(struct cd_sub_channel_info), 2135 M_TEMP, M_WAITOK); 2136 2137 if ((len > sizeof(struct cd_sub_channel_info)) || 2138 (len < sizeof(struct cd_sub_channel_header))) { 2139 kprintf( 2140 "scsi_cd: cdioctl: " 2141 "cdioreadsubchannel: error, len=%d\n", 2142 len); 2143 error = EINVAL; 2144 kfree(data, M_TEMP); 2145 break; 2146 } 2147 2148 if (softc->quirks & CD_Q_BCD_TRACKS) 2149 args->track = bin2bcd(args->track); 2150 2151 error = cdreadsubchannel(periph, args->address_format, 2152 args->data_format, args->track, data, len); 2153 2154 if (error) { 2155 kfree(data, M_TEMP); 2156 break; 2157 } 2158 if (softc->quirks & CD_Q_BCD_TRACKS) 2159 data->what.track_info.track_number = 2160 bcd2bin(data->what.track_info.track_number); 2161 len = min(len, ((data->header.data_len[0] << 8) + 2162 data->header.data_len[1] + 2163 sizeof(struct cd_sub_channel_header))); 2164 if (copyout(data, args->data, len) != 0) { 2165 error = EFAULT; 2166 } 2167 kfree(data, M_TEMP); 2168 } 2169 break; 2170 2171 case CDIOREADTOCHEADER: 2172 { 2173 struct ioc_toc_header *th; 2174 2175 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2176 ("trying to do CDIOREADTOCHEADER\n")); 2177 2178 th = kmalloc(sizeof(struct ioc_toc_header), M_TEMP, 2179 M_WAITOK); 2180 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2181 sizeof (*th), /*sense_flags*/0); 2182 if (error) { 2183 kfree(th, M_TEMP); 2184 break; 2185 } 2186 if (softc->quirks & CD_Q_BCD_TRACKS) { 2187 /* we are going to have to convert the BCD 2188 * encoding on the cd to what is expected 2189 */ 2190 th->starting_track = 2191 bcd2bin(th->starting_track); 2192 th->ending_track = bcd2bin(th->ending_track); 2193 } 2194 th->len = ntohs(th->len); 2195 bcopy(th, addr, sizeof(*th)); 2196 kfree(th, M_TEMP); 2197 } 2198 break; 2199 case CDIOREADTOCENTRYS: 2200 { 2201 struct cd_tocdata *data; 2202 struct cd_toc_single *lead; 2203 struct ioc_read_toc_entry *te = 2204 (struct ioc_read_toc_entry *) addr; 2205 struct ioc_toc_header *th; 2206 u_int32_t len, readlen, idx, num; 2207 u_int32_t starting_track = te->starting_track; 2208 2209 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2210 ("trying to do CDIOREADTOCENTRYS\n")); 2211 2212 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2213 lead = kmalloc(sizeof(*lead), M_TEMP, M_WAITOK); 2214 2215 if (te->data_len < sizeof(struct cd_toc_entry) 2216 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2217 || (te->address_format != CD_MSF_FORMAT 2218 && te->address_format != CD_LBA_FORMAT)) { 2219 error = EINVAL; 2220 kprintf("scsi_cd: error in readtocentries, " 2221 "returning EINVAL\n"); 2222 kfree(data, M_TEMP); 2223 kfree(lead, M_TEMP); 2224 break; 2225 } 2226 2227 th = &data->header; 2228 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2229 sizeof (*th), /*sense_flags*/0); 2230 if (error) { 2231 kfree(data, M_TEMP); 2232 kfree(lead, M_TEMP); 2233 break; 2234 } 2235 2236 if (softc->quirks & CD_Q_BCD_TRACKS) { 2237 /* we are going to have to convert the BCD 2238 * encoding on the cd to what is expected 2239 */ 2240 th->starting_track = 2241 bcd2bin(th->starting_track); 2242 th->ending_track = bcd2bin(th->ending_track); 2243 } 2244 2245 if (starting_track == 0) 2246 starting_track = th->starting_track; 2247 else if (starting_track == LEADOUT) 2248 starting_track = th->ending_track + 1; 2249 else if (starting_track < th->starting_track || 2250 starting_track > th->ending_track + 1) { 2251 kprintf("scsi_cd: error in readtocentries, " 2252 "returning EINVAL\n"); 2253 kfree(data, M_TEMP); 2254 kfree(lead, M_TEMP); 2255 error = EINVAL; 2256 break; 2257 } 2258 2259 /* calculate reading length without leadout entry */ 2260 readlen = (th->ending_track - starting_track + 1) * 2261 sizeof(struct cd_toc_entry); 2262 2263 /* and with leadout entry */ 2264 len = readlen + sizeof(struct cd_toc_entry); 2265 if (te->data_len < len) { 2266 len = te->data_len; 2267 if (readlen > len) 2268 readlen = len; 2269 } 2270 if (len > sizeof(data->entries)) { 2271 kprintf("scsi_cd: error in readtocentries, " 2272 "returning EINVAL\n"); 2273 error = EINVAL; 2274 kfree(data, M_TEMP); 2275 kfree(lead, M_TEMP); 2276 break; 2277 } 2278 num = len / sizeof(struct cd_toc_entry); 2279 2280 if (readlen > 0) { 2281 error = cdreadtoc(periph, te->address_format, 2282 starting_track, 2283 (u_int8_t *)data, 2284 readlen + sizeof (*th), 2285 /*sense_flags*/0); 2286 if (error) { 2287 kfree(data, M_TEMP); 2288 kfree(lead, M_TEMP); 2289 break; 2290 } 2291 } 2292 2293 /* make leadout entry if needed */ 2294 idx = starting_track + num - 1; 2295 if (softc->quirks & CD_Q_BCD_TRACKS) 2296 th->ending_track = bcd2bin(th->ending_track); 2297 if (idx == th->ending_track + 1) { 2298 error = cdreadtoc(periph, te->address_format, 2299 LEADOUT, (u_int8_t *)lead, 2300 sizeof(*lead), 2301 /*sense_flags*/0); 2302 if (error) { 2303 kfree(data, M_TEMP); 2304 kfree(lead, M_TEMP); 2305 break; 2306 } 2307 data->entries[idx - starting_track] = 2308 lead->entry; 2309 } 2310 if (softc->quirks & CD_Q_BCD_TRACKS) { 2311 for (idx = 0; idx < num - 1; idx++) { 2312 data->entries[idx].track = 2313 bcd2bin(data->entries[idx].track); 2314 } 2315 } 2316 2317 error = copyout(data->entries, te->data, len); 2318 kfree(data, M_TEMP); 2319 kfree(lead, M_TEMP); 2320 } 2321 break; 2322 case CDIOREADTOCENTRY: 2323 { 2324 struct cd_toc_single *data; 2325 struct ioc_read_toc_single_entry *te = 2326 (struct ioc_read_toc_single_entry *) addr; 2327 struct ioc_toc_header *th; 2328 u_int32_t track; 2329 2330 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2331 ("trying to do CDIOREADTOCENTRY\n")); 2332 2333 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2334 2335 if (te->address_format != CD_MSF_FORMAT 2336 && te->address_format != CD_LBA_FORMAT) { 2337 kprintf("error in readtocentry, " 2338 " returning EINVAL\n"); 2339 kfree(data, M_TEMP); 2340 error = EINVAL; 2341 break; 2342 } 2343 2344 th = &data->header; 2345 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2346 sizeof (*th), /*sense_flags*/0); 2347 if (error) { 2348 kfree(data, M_TEMP); 2349 break; 2350 } 2351 2352 if (softc->quirks & CD_Q_BCD_TRACKS) { 2353 /* we are going to have to convert the BCD 2354 * encoding on the cd to what is expected 2355 */ 2356 th->starting_track = 2357 bcd2bin(th->starting_track); 2358 th->ending_track = bcd2bin(th->ending_track); 2359 } 2360 track = te->track; 2361 if (track == 0) 2362 track = th->starting_track; 2363 else if (track == LEADOUT) 2364 /* OK */; 2365 else if (track < th->starting_track || 2366 track > th->ending_track + 1) { 2367 kprintf("error in readtocentry, " 2368 " returning EINVAL\n"); 2369 kfree(data, M_TEMP); 2370 error = EINVAL; 2371 break; 2372 } 2373 2374 error = cdreadtoc(periph, te->address_format, track, 2375 (u_int8_t *)data, sizeof(*data), 2376 /*sense_flags*/0); 2377 if (error) { 2378 kfree(data, M_TEMP); 2379 break; 2380 } 2381 2382 if (softc->quirks & CD_Q_BCD_TRACKS) 2383 data->entry.track = bcd2bin(data->entry.track); 2384 bcopy(&data->entry, &te->entry, 2385 sizeof(struct cd_toc_entry)); 2386 kfree(data, M_TEMP); 2387 } 2388 break; 2389 case CDIOCSETPATCH: 2390 { 2391 struct ioc_patch *arg = (struct ioc_patch *)addr; 2392 struct cd_mode_params params; 2393 union cd_pages *page; 2394 2395 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2396 ("trying to do CDIOCSETPATCH\n")); 2397 2398 params.alloc_len = sizeof(union cd_mode_data_6_10); 2399 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2400 M_WAITOK | M_ZERO); 2401 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2402 if (error) { 2403 kfree(params.mode_buf, M_TEMP); 2404 break; 2405 } 2406 page = cdgetpage(¶ms); 2407 2408 page->audio.port[LEFT_PORT].channels = 2409 arg->patch[0]; 2410 page->audio.port[RIGHT_PORT].channels = 2411 arg->patch[1]; 2412 page->audio.port[2].channels = arg->patch[2]; 2413 page->audio.port[3].channels = arg->patch[3]; 2414 error = cdsetmode(periph, ¶ms); 2415 kfree(params.mode_buf, M_TEMP); 2416 } 2417 break; 2418 case CDIOCGETVOL: 2419 { 2420 struct ioc_vol *arg = (struct ioc_vol *) addr; 2421 struct cd_mode_params params; 2422 union cd_pages *page; 2423 2424 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2425 ("trying to do CDIOCGETVOL\n")); 2426 2427 params.alloc_len = sizeof(union cd_mode_data_6_10); 2428 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2429 M_WAITOK | M_ZERO); 2430 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2431 if (error) { 2432 kfree(params.mode_buf, M_TEMP); 2433 break; 2434 } 2435 page = cdgetpage(¶ms); 2436 2437 arg->vol[LEFT_PORT] = 2438 page->audio.port[LEFT_PORT].volume; 2439 arg->vol[RIGHT_PORT] = 2440 page->audio.port[RIGHT_PORT].volume; 2441 arg->vol[2] = page->audio.port[2].volume; 2442 arg->vol[3] = page->audio.port[3].volume; 2443 kfree(params.mode_buf, M_TEMP); 2444 } 2445 break; 2446 case CDIOCSETVOL: 2447 { 2448 struct ioc_vol *arg = (struct ioc_vol *) addr; 2449 struct cd_mode_params params; 2450 union cd_pages *page; 2451 2452 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2453 ("trying to do CDIOCSETVOL\n")); 2454 2455 params.alloc_len = sizeof(union cd_mode_data_6_10); 2456 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2457 M_WAITOK | M_ZERO); 2458 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2459 if (error) { 2460 kfree(params.mode_buf, M_TEMP); 2461 break; 2462 } 2463 page = cdgetpage(¶ms); 2464 2465 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2466 page->audio.port[LEFT_PORT].volume = 2467 arg->vol[LEFT_PORT]; 2468 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2469 page->audio.port[RIGHT_PORT].volume = 2470 arg->vol[RIGHT_PORT]; 2471 page->audio.port[2].volume = arg->vol[2]; 2472 page->audio.port[3].volume = arg->vol[3]; 2473 error = cdsetmode(periph, ¶ms); 2474 kfree(params.mode_buf, M_TEMP); 2475 } 2476 break; 2477 case CDIOCSETMONO: 2478 { 2479 struct cd_mode_params params; 2480 union cd_pages *page; 2481 2482 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2483 ("trying to do CDIOCSETMONO\n")); 2484 2485 params.alloc_len = sizeof(union cd_mode_data_6_10); 2486 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2487 M_WAITOK | M_ZERO); 2488 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2489 if (error) { 2490 kfree(params.mode_buf, M_TEMP); 2491 break; 2492 } 2493 page = cdgetpage(¶ms); 2494 2495 page->audio.port[LEFT_PORT].channels = 2496 LEFT_CHANNEL | RIGHT_CHANNEL; 2497 page->audio.port[RIGHT_PORT].channels = 2498 LEFT_CHANNEL | RIGHT_CHANNEL; 2499 page->audio.port[2].channels = 0; 2500 page->audio.port[3].channels = 0; 2501 error = cdsetmode(periph, ¶ms); 2502 kfree(params.mode_buf, M_TEMP); 2503 } 2504 break; 2505 case CDIOCSETSTEREO: 2506 { 2507 struct cd_mode_params params; 2508 union cd_pages *page; 2509 2510 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2511 ("trying to do CDIOCSETSTEREO\n")); 2512 2513 params.alloc_len = sizeof(union cd_mode_data_6_10); 2514 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2515 M_WAITOK | M_ZERO); 2516 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2517 if (error) { 2518 kfree(params.mode_buf, M_TEMP); 2519 break; 2520 } 2521 page = cdgetpage(¶ms); 2522 2523 page->audio.port[LEFT_PORT].channels = 2524 LEFT_CHANNEL; 2525 page->audio.port[RIGHT_PORT].channels = 2526 RIGHT_CHANNEL; 2527 page->audio.port[2].channels = 0; 2528 page->audio.port[3].channels = 0; 2529 error = cdsetmode(periph, ¶ms); 2530 kfree(params.mode_buf, M_TEMP); 2531 } 2532 break; 2533 case CDIOCSETMUTE: 2534 { 2535 struct cd_mode_params params; 2536 union cd_pages *page; 2537 2538 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2539 ("trying to do CDIOCSETMUTE\n")); 2540 2541 params.alloc_len = sizeof(union cd_mode_data_6_10); 2542 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2543 M_WAITOK | M_ZERO); 2544 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2545 if (error) { 2546 kfree(¶ms, M_TEMP); 2547 break; 2548 } 2549 page = cdgetpage(¶ms); 2550 2551 page->audio.port[LEFT_PORT].channels = 0; 2552 page->audio.port[RIGHT_PORT].channels = 0; 2553 page->audio.port[2].channels = 0; 2554 page->audio.port[3].channels = 0; 2555 error = cdsetmode(periph, ¶ms); 2556 kfree(params.mode_buf, M_TEMP); 2557 } 2558 break; 2559 case CDIOCSETLEFT: 2560 { 2561 struct cd_mode_params params; 2562 union cd_pages *page; 2563 2564 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2565 ("trying to do CDIOCSETLEFT\n")); 2566 2567 params.alloc_len = sizeof(union cd_mode_data_6_10); 2568 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2569 M_WAITOK | M_ZERO); 2570 2571 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2572 if (error) { 2573 kfree(params.mode_buf, M_TEMP); 2574 break; 2575 } 2576 page = cdgetpage(¶ms); 2577 2578 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2579 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2580 page->audio.port[2].channels = 0; 2581 page->audio.port[3].channels = 0; 2582 error = cdsetmode(periph, ¶ms); 2583 kfree(params.mode_buf, M_TEMP); 2584 } 2585 break; 2586 case CDIOCSETRIGHT: 2587 { 2588 struct cd_mode_params params; 2589 union cd_pages *page; 2590 2591 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2592 ("trying to do CDIOCSETRIGHT\n")); 2593 2594 params.alloc_len = sizeof(union cd_mode_data_6_10); 2595 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2596 M_WAITOK | M_ZERO); 2597 2598 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2599 if (error) { 2600 kfree(params.mode_buf, M_TEMP); 2601 break; 2602 } 2603 page = cdgetpage(¶ms); 2604 2605 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2606 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2607 page->audio.port[2].channels = 0; 2608 page->audio.port[3].channels = 0; 2609 error = cdsetmode(periph, ¶ms); 2610 kfree(params.mode_buf, M_TEMP); 2611 } 2612 break; 2613 case CDIOCRESUME: 2614 error = cdpause(periph, 1); 2615 break; 2616 case CDIOCPAUSE: 2617 error = cdpause(periph, 0); 2618 break; 2619 case CDIOCSTART: 2620 error = cdstartunit(periph, 0); 2621 break; 2622 case CDIOCCLOSE: 2623 error = cdstartunit(periph, 1); 2624 2625 #ifdef notyet 2626 if (error != 0) 2627 break; 2628 2629 /* 2630 * The user successfully closed the tray, run 2631 * cdcheckmedia() again so we can re-sync the disklabel 2632 * information. 2633 */ 2634 cdcheckmedia(periph); 2635 #endif /* notyet */ 2636 break; 2637 case CDIOCSTOP: 2638 error = cdstopunit(periph, 0); 2639 break; 2640 case CDIOCEJECT: 2641 error = cdstopunit(periph, 1); 2642 2643 #ifdef notyet 2644 if (error != 0) 2645 break; 2646 2647 /* 2648 * Since we've successfully ejected the media, run 2649 * cdcheckmedia() again so we re-sync the disklabel 2650 * information. 2651 */ 2652 cdcheckmedia(periph); 2653 #endif /* notyet */ 2654 break; 2655 case CDIOCALLOW: 2656 cdprevent(periph, PR_ALLOW); 2657 break; 2658 case CDIOCPREVENT: 2659 cdprevent(periph, PR_PREVENT); 2660 break; 2661 case CDIOCSETDEBUG: 2662 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2663 error = ENOTTY; 2664 break; 2665 case CDIOCCLRDEBUG: 2666 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2667 error = ENOTTY; 2668 break; 2669 case CDIOCRESET: 2670 /* return (cd_reset(periph)); */ 2671 error = ENOTTY; 2672 break; 2673 case CDRIOCREADSPEED: 2674 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2675 break; 2676 case CDRIOCWRITESPEED: 2677 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2678 break; 2679 case DVDIOCSENDKEY: 2680 case DVDIOCREPORTKEY: { 2681 struct dvd_authinfo *authinfo; 2682 2683 authinfo = (struct dvd_authinfo *)addr; 2684 2685 if (ap->a_cmd == DVDIOCREPORTKEY) 2686 error = cdreportkey(periph, authinfo); 2687 else 2688 error = cdsendkey(periph, authinfo); 2689 break; 2690 } 2691 case DVDIOCREADSTRUCTURE: { 2692 struct dvd_struct *dvdstruct; 2693 2694 dvdstruct = (struct dvd_struct *)addr; 2695 2696 error = cdreaddvdstructure(periph, dvdstruct); 2697 2698 break; 2699 } 2700 default: 2701 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2702 break; 2703 } 2704 2705 cam_periph_unlock(periph); 2706 2707 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2708 2709 return (error); 2710 } 2711 2712 static void 2713 cdprevent(struct cam_periph *periph, int action) 2714 { 2715 union ccb *ccb; 2716 struct cd_softc *softc; 2717 int error; 2718 2719 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2720 2721 softc = (struct cd_softc *)periph->softc; 2722 2723 if (((action == PR_ALLOW) 2724 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2725 || ((action == PR_PREVENT) 2726 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2727 return; 2728 } 2729 2730 ccb = cdgetccb(periph, /* priority */ 1); 2731 2732 scsi_prevent(&ccb->csio, 2733 /*retries*/ 1, 2734 cddone, 2735 MSG_SIMPLE_Q_TAG, 2736 action, 2737 SSD_FULL_SIZE, 2738 /* timeout */60000); 2739 2740 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2741 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2742 2743 xpt_release_ccb(ccb); 2744 2745 if (error == 0) { 2746 if (action == PR_ALLOW) 2747 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2748 else 2749 softc->flags |= CD_FLAG_DISC_LOCKED; 2750 } 2751 } 2752 2753 int 2754 cdcheckmedia(struct cam_periph *periph) 2755 { 2756 struct cd_softc *softc; 2757 struct ioc_toc_header *toch; 2758 struct cd_toc_single leadout; 2759 struct ccb_getdev cgd; 2760 u_int32_t size, toclen; 2761 int error, num_entries, cdindex; 2762 int first_track_audio; 2763 struct disklabel *label; 2764 2765 softc = (struct cd_softc *)periph->softc; 2766 2767 first_track_audio = -1; 2768 error = 0; 2769 2770 cdprevent(periph, PR_PREVENT); 2771 2772 /* 2773 * Build prototype label for whole disk. 2774 * Should take information about different data tracks from the 2775 * TOC and put it in the partition table. 2776 */ 2777 label = &softc->disk.d_label; 2778 bzero(label, sizeof(*label)); 2779 label->d_type = DTYPE_SCSI; 2780 2781 /* 2782 * Grab the inquiry data to get the vendor and product names. 2783 * Put them in the typename and packname for the label. 2784 */ 2785 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2786 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2787 xpt_action((union ccb *)&cgd); 2788 2789 strncpy(label->d_typename, cgd.inq_data.vendor, 2790 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2791 strncpy(label->d_packname, cgd.inq_data.product, 2792 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2793 2794 label->d_flags = D_REMOVABLE; 2795 /* 2796 * Make partition 'a' cover the whole disk. This is a temporary 2797 * compatibility hack. The 'a' partition should not exist, so 2798 * the slice code won't create it. The slice code will make 2799 * partition (RAW_PART + 'a') cover the whole disk and fill in 2800 * some more defaults. 2801 */ 2802 label->d_partitions[0].p_size = label->d_secperunit; 2803 label->d_partitions[0].p_fstype = FS_OTHER; 2804 2805 /* 2806 * Default to not reading the disklabel off the disk, until we can 2807 * verify that we have media, that we have a table of contents, and 2808 * that the first track is a data track (which could theoretically 2809 * contain a disklabel). 2810 */ 2811 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 2812 softc->disk.d_dsflags |= DSO_NOLABELS; 2813 2814 /* 2815 * Clear the valid media and TOC flags until we've verified that we 2816 * have both. 2817 */ 2818 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2819 2820 /* 2821 * Get the disc size and block size. If we can't get it, we don't 2822 * have media, most likely. 2823 */ 2824 if ((error = cdsize(periph, &size)) != 0) { 2825 /* 2826 * Set a bogus sector size, so the slice code won't try to 2827 * divide by 0 and panic the kernel. 2828 */ 2829 label->d_secsize = 2048; 2830 2831 label->d_secperunit = 0; 2832 2833 /* 2834 * XXX KDM is this a good idea? Seems to cause more 2835 * problems. 2836 */ 2837 if (softc->flags & CD_FLAG_OPEN) { 2838 int force; 2839 2840 force = 1; 2841 2842 /* 2843 * We don't bother checking the return value here, 2844 * since we already have an error... 2845 */ 2846 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2847 /*data*/(caddr_t)&force, /*flags*/ 0, 2848 &softc->disk.d_slice); 2849 } 2850 2851 /* 2852 * Tell devstat(9) we don't have a blocksize. 2853 */ 2854 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2855 2856 cdprevent(periph, PR_ALLOW); 2857 2858 return (error); 2859 } else { 2860 2861 label->d_secsize = softc->params.blksize; 2862 label->d_secperunit = softc->params.disksize; 2863 2864 /* 2865 * Force a re-sync of slice information, like the blocksize, 2866 * now that we know it. It isn't pretty...but according to 2867 * Bruce Evans, this is probably the best way to do it in 2868 * -stable. We only do this if we're already open, and 2869 * therefore dsopen() has already run. If CD_FLAG_OPEN 2870 * isn't set, this isn't necessary. 2871 */ 2872 if (softc->flags & CD_FLAG_OPEN) { 2873 int force; 2874 2875 force = 1; 2876 2877 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2878 /*data*/(caddr_t)&force, /*flags*/ 0, 2879 &softc->disk.d_slice); 2880 if (error != 0) { 2881 /* 2882 * Set a bogus sector size, so the slice code 2883 * won't try to divide by 0 and panic the 2884 * kernel. 2885 */ 2886 label->d_secsize = 2048; 2887 2888 label->d_secperunit = 0; 2889 2890 /* 2891 * Tell devstat(9) we don't have a blocksize. 2892 */ 2893 softc->device_stats.flags |= 2894 DEVSTAT_BS_UNAVAILABLE; 2895 2896 cdprevent(periph, PR_ALLOW); 2897 } 2898 } 2899 2900 /* 2901 * We unconditionally (re)set the blocksize each time the 2902 * CD device is opened. This is because the CD can change, 2903 * and therefore the blocksize might change. 2904 * XXX problems here if some slice or partition is still 2905 * open with the old size? 2906 */ 2907 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2908 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2909 softc->device_stats.block_size = softc->params.blksize; 2910 2911 softc->flags |= CD_FLAG_VALID_MEDIA; 2912 } 2913 2914 /* 2915 * Now we check the table of contents. This (currently) is only 2916 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2917 * things like present a separate entry in /dev for each track, 2918 * like that acd(4) driver does. 2919 */ 2920 bzero(&softc->toc, sizeof(softc->toc)); 2921 toch = &softc->toc.header; 2922 2923 /* 2924 * We will get errors here for media that doesn't have a table of 2925 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2926 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2927 * has not been recorded (no complete session) and the Format codes 2928 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2929 * with an INVALID FIELD IN CDB. Devices that are not capable of 2930 * reading an incomplete session on DDC/CD-R/RW media shall report 2931 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2932 * 2933 * So this isn't fatal if we can't read the table of contents, it 2934 * just means that the user won't be able to issue the play tracks 2935 * ioctl, and likely lots of other stuff won't work either. They 2936 * need to burn the CD before we can do a whole lot with it. So 2937 * we don't print anything here if we get an error back. 2938 */ 2939 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2940 SF_NO_PRINT); 2941 /* 2942 * Errors in reading the table of contents aren't fatal, we just 2943 * won't have a valid table of contents cached. 2944 */ 2945 if (error != 0) { 2946 error = 0; 2947 bzero(&softc->toc, sizeof(softc->toc)); 2948 goto bailout; 2949 } 2950 2951 if (softc->quirks & CD_Q_BCD_TRACKS) { 2952 toch->starting_track = bcd2bin(toch->starting_track); 2953 toch->ending_track = bcd2bin(toch->ending_track); 2954 } 2955 2956 /* Number of TOC entries, plus leadout */ 2957 num_entries = (toch->ending_track - toch->starting_track) + 2; 2958 2959 if (num_entries <= 0) 2960 goto bailout; 2961 2962 toclen = num_entries * sizeof(struct cd_toc_entry); 2963 2964 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2965 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2966 SF_NO_PRINT); 2967 if (error != 0) { 2968 error = 0; 2969 bzero(&softc->toc, sizeof(softc->toc)); 2970 goto bailout; 2971 } 2972 2973 if (softc->quirks & CD_Q_BCD_TRACKS) { 2974 toch->starting_track = bcd2bin(toch->starting_track); 2975 toch->ending_track = bcd2bin(toch->ending_track); 2976 } 2977 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2978 2979 /* 2980 * XXX KDM is this necessary? Probably only if the drive doesn't 2981 * return leadout information with the table of contents. 2982 */ 2983 cdindex = toch->starting_track + num_entries -1; 2984 if (cdindex == toch->ending_track + 1) { 2985 2986 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2987 (u_int8_t *)&leadout, sizeof(leadout), 2988 SF_NO_PRINT); 2989 if (error != 0) { 2990 error = 0; 2991 goto bailout; 2992 } 2993 softc->toc.entries[cdindex - toch->starting_track] = 2994 leadout.entry; 2995 } 2996 if (softc->quirks & CD_Q_BCD_TRACKS) { 2997 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2998 softc->toc.entries[cdindex].track = 2999 bcd2bin(softc->toc.entries[cdindex].track); 3000 } 3001 } 3002 3003 /* 3004 * Run through the TOC entries, find the first entry and determine 3005 * whether it is an audio or data track. 3006 */ 3007 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3008 if (softc->toc.entries[cdindex].track == toch->starting_track) { 3009 if (softc->toc.entries[cdindex].control & 0x04) 3010 first_track_audio = 0; 3011 else 3012 first_track_audio = 1; 3013 break; 3014 } 3015 } 3016 3017 /* 3018 * If first_track_audio is non-zero, we either have an error (e.g. 3019 * couldn't find the starting track) or the first track is an audio 3020 * track. If first_track_audio is 0, the first track is a data 3021 * track that could have a disklabel. Attempt to read the 3022 * disklabel off the media, just in case the user put one there. 3023 */ 3024 if (first_track_audio == 0) { 3025 softc->disk.d_dsflags |= DSO_COMPATLABEL; 3026 softc->disk.d_dsflags &= ~DSO_NOLABELS; 3027 } 3028 softc->flags |= CD_FLAG_VALID_TOC; 3029 3030 bailout: 3031 return (error); 3032 } 3033 3034 static int 3035 cdsize(struct cam_periph *periph, u_int32_t *size) 3036 { 3037 struct cd_softc *softc; 3038 union ccb *ccb; 3039 struct scsi_read_capacity_data *rcap_buf; 3040 int error; 3041 3042 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3043 3044 softc = (struct cd_softc *)periph->softc; 3045 3046 ccb = cdgetccb(periph, /* priority */ 1); 3047 3048 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3049 M_TEMP, M_INTWAIT | M_ZERO); 3050 3051 scsi_read_capacity(&ccb->csio, 3052 /*retries*/ 1, 3053 cddone, 3054 MSG_SIMPLE_Q_TAG, 3055 rcap_buf, 3056 SSD_FULL_SIZE, 3057 /* timeout */20000); 3058 3059 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3060 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3061 3062 xpt_release_ccb(ccb); 3063 3064 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3065 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3066 /* 3067 * SCSI-3 mandates that the reported blocksize shall be 2048. 3068 * Older drives sometimes report funny values, trim it down to 3069 * 2048, or other parts of the kernel will get confused. 3070 * 3071 * XXX we leave drives alone that might report 512 bytes, as 3072 * well as drives reporting more weird sizes like perhaps 4K. 3073 */ 3074 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3075 softc->params.blksize = 2048; 3076 3077 kfree(rcap_buf, M_TEMP); 3078 *size = softc->params.disksize; 3079 3080 return (error); 3081 3082 } 3083 3084 static int 3085 cd6byteworkaround(union ccb *ccb) 3086 { 3087 u_int8_t *cdb; 3088 struct cam_periph *periph; 3089 struct cd_softc *softc; 3090 struct cd_mode_params *params; 3091 int frozen, found; 3092 3093 periph = xpt_path_periph(ccb->ccb_h.path); 3094 softc = (struct cd_softc *)periph->softc; 3095 3096 cdb = ccb->csio.cdb_io.cdb_bytes; 3097 3098 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3099 || ((cdb[0] != MODE_SENSE_6) 3100 && (cdb[0] != MODE_SELECT_6))) 3101 return (0); 3102 3103 /* 3104 * Because there is no convenient place to stash the overall 3105 * cd_mode_params structure pointer, we have to grab it like this. 3106 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3107 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3108 * 3109 * XXX It would be nice if, at some point, we could increase the 3110 * number of available peripheral private pointers. Both pointers 3111 * are currently used in most every peripheral driver. 3112 */ 3113 found = 0; 3114 3115 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3116 if (params->mode_buf == ccb->csio.data_ptr) { 3117 found = 1; 3118 break; 3119 } 3120 } 3121 3122 /* 3123 * This shouldn't happen. All mode sense and mode select 3124 * operations in the cd(4) driver MUST go through cdgetmode() and 3125 * cdsetmode()! 3126 */ 3127 if (found == 0) { 3128 xpt_print_path(periph->path); 3129 kprintf("mode buffer not found in mode queue!\n"); 3130 return (0); 3131 } 3132 3133 params->cdb_size = 10; 3134 softc->minimum_command_size = 10; 3135 xpt_print_path(ccb->ccb_h.path); 3136 kprintf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3137 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3138 3139 if (cdb[0] == MODE_SENSE_6) { 3140 struct scsi_mode_sense_10 ms10; 3141 struct scsi_mode_sense_6 *ms6; 3142 int len; 3143 3144 ms6 = (struct scsi_mode_sense_6 *)cdb; 3145 3146 bzero(&ms10, sizeof(ms10)); 3147 ms10.opcode = MODE_SENSE_10; 3148 ms10.byte2 = ms6->byte2; 3149 ms10.page = ms6->page; 3150 3151 /* 3152 * 10 byte mode header, block descriptor, 3153 * sizeof(union cd_pages) 3154 */ 3155 len = sizeof(struct cd_mode_data_10); 3156 ccb->csio.dxfer_len = len; 3157 3158 scsi_ulto2b(len, ms10.length); 3159 ms10.control = ms6->control; 3160 bcopy(&ms10, cdb, 10); 3161 ccb->csio.cdb_len = 10; 3162 } else { 3163 struct scsi_mode_select_10 ms10; 3164 struct scsi_mode_select_6 *ms6; 3165 struct scsi_mode_header_6 *header6; 3166 struct scsi_mode_header_10 *header10; 3167 struct scsi_mode_page_header *page_header; 3168 int blk_desc_len, page_num, page_size, len; 3169 3170 ms6 = (struct scsi_mode_select_6 *)cdb; 3171 3172 bzero(&ms10, sizeof(ms10)); 3173 ms10.opcode = MODE_SELECT_10; 3174 ms10.byte2 = ms6->byte2; 3175 3176 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3177 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3178 3179 page_header = find_mode_page_6(header6); 3180 page_num = page_header->page_code; 3181 3182 blk_desc_len = header6->blk_desc_len; 3183 3184 page_size = cdgetpagesize(page_num); 3185 3186 if (page_size != (page_header->page_length + 3187 sizeof(*page_header))) 3188 page_size = page_header->page_length + 3189 sizeof(*page_header); 3190 3191 len = sizeof(*header10) + blk_desc_len + page_size; 3192 3193 len = min(params->alloc_len, len); 3194 3195 /* 3196 * Since the 6 byte parameter header is shorter than the 10 3197 * byte parameter header, we need to copy the actual mode 3198 * page data, and the block descriptor, if any, so things wind 3199 * up in the right place. The regions will overlap, but 3200 * bcopy() does the right thing. 3201 */ 3202 bcopy(params->mode_buf + sizeof(*header6), 3203 params->mode_buf + sizeof(*header10), 3204 len - sizeof(*header10)); 3205 3206 /* Make sure these fields are set correctly. */ 3207 scsi_ulto2b(0, header10->data_length); 3208 header10->medium_type = 0; 3209 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3210 3211 ccb->csio.dxfer_len = len; 3212 3213 scsi_ulto2b(len, ms10.length); 3214 ms10.control = ms6->control; 3215 bcopy(&ms10, cdb, 10); 3216 ccb->csio.cdb_len = 10; 3217 } 3218 3219 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3220 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3221 xpt_action(ccb); 3222 if (frozen) { 3223 cam_release_devq(ccb->ccb_h.path, 3224 /*relsim_flags*/0, 3225 /*openings*/0, 3226 /*timeout*/0, 3227 /*getcount_only*/0); 3228 } 3229 3230 return (ERESTART); 3231 } 3232 3233 static int 3234 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3235 { 3236 struct cd_softc *softc; 3237 struct cam_periph *periph; 3238 int error; 3239 3240 periph = xpt_path_periph(ccb->ccb_h.path); 3241 softc = (struct cd_softc *)periph->softc; 3242 3243 error = 0; 3244 3245 /* 3246 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3247 * CDB comes back with this particular error, try transforming it 3248 * into the 10 byte version. 3249 */ 3250 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3251 error = cd6byteworkaround(ccb); 3252 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3253 CAM_SCSI_STATUS_ERROR) 3254 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3255 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3256 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3257 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3258 int sense_key, error_code, asc, ascq; 3259 3260 scsi_extract_sense(&ccb->csio.sense_data, 3261 &error_code, &sense_key, &asc, &ascq); 3262 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3263 error = cd6byteworkaround(ccb); 3264 } 3265 3266 if (error == ERESTART) 3267 return (error); 3268 3269 /* 3270 * XXX 3271 * Until we have a better way of doing pack validation, 3272 * don't treat UAs as errors. 3273 */ 3274 sense_flags |= SF_RETRY_UA; 3275 return (cam_periph_error(ccb, cam_flags, sense_flags, 3276 &softc->saved_ccb)); 3277 } 3278 3279 /* 3280 * Read table of contents 3281 */ 3282 static int 3283 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3284 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3285 { 3286 struct scsi_read_toc *scsi_cmd; 3287 u_int32_t ntoc; 3288 struct ccb_scsiio *csio; 3289 union ccb *ccb; 3290 int error; 3291 3292 ntoc = len; 3293 error = 0; 3294 3295 ccb = cdgetccb(periph, /* priority */ 1); 3296 3297 csio = &ccb->csio; 3298 3299 cam_fill_csio(csio, 3300 /* retries */ 1, 3301 /* cbfcnp */ cddone, 3302 /* flags */ CAM_DIR_IN, 3303 /* tag_action */ MSG_SIMPLE_Q_TAG, 3304 /* data_ptr */ data, 3305 /* dxfer_len */ len, 3306 /* sense_len */ SSD_FULL_SIZE, 3307 sizeof(struct scsi_read_toc), 3308 /* timeout */ 50000); 3309 3310 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3311 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3312 3313 if (mode == CD_MSF_FORMAT) 3314 scsi_cmd->byte2 |= CD_MSF; 3315 scsi_cmd->from_track = start; 3316 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3317 scsi_cmd->data_len[0] = (ntoc) >> 8; 3318 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3319 3320 scsi_cmd->op_code = READ_TOC; 3321 3322 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3323 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3324 sense_flags); 3325 3326 xpt_release_ccb(ccb); 3327 3328 return(error); 3329 } 3330 3331 static int 3332 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3333 u_int32_t format, int track, 3334 struct cd_sub_channel_info *data, u_int32_t len) 3335 { 3336 struct scsi_read_subchannel *scsi_cmd; 3337 struct ccb_scsiio *csio; 3338 union ccb *ccb; 3339 int error; 3340 3341 error = 0; 3342 3343 ccb = cdgetccb(periph, /* priority */ 1); 3344 3345 csio = &ccb->csio; 3346 3347 cam_fill_csio(csio, 3348 /* retries */ 1, 3349 /* cbfcnp */ cddone, 3350 /* flags */ CAM_DIR_IN, 3351 /* tag_action */ MSG_SIMPLE_Q_TAG, 3352 /* data_ptr */ (u_int8_t *)data, 3353 /* dxfer_len */ len, 3354 /* sense_len */ SSD_FULL_SIZE, 3355 sizeof(struct scsi_read_subchannel), 3356 /* timeout */ 50000); 3357 3358 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3359 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3360 3361 scsi_cmd->op_code = READ_SUBCHANNEL; 3362 if (mode == CD_MSF_FORMAT) 3363 scsi_cmd->byte1 |= CD_MSF; 3364 scsi_cmd->byte2 = SRS_SUBQ; 3365 scsi_cmd->subchan_format = format; 3366 scsi_cmd->track = track; 3367 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3368 scsi_cmd->control = 0; 3369 3370 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3371 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3372 3373 xpt_release_ccb(ccb); 3374 3375 return(error); 3376 } 3377 3378 /* 3379 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3380 * routine. See comments in cd6byteworkaround() for details. 3381 */ 3382 static int 3383 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3384 u_int32_t page) 3385 { 3386 struct ccb_scsiio *csio; 3387 struct cd_softc *softc; 3388 union ccb *ccb; 3389 int param_len; 3390 int error; 3391 3392 softc = (struct cd_softc *)periph->softc; 3393 3394 ccb = cdgetccb(periph, /* priority */ 1); 3395 3396 csio = &ccb->csio; 3397 3398 data->cdb_size = softc->minimum_command_size; 3399 if (data->cdb_size < 10) 3400 param_len = sizeof(struct cd_mode_data); 3401 else 3402 param_len = sizeof(struct cd_mode_data_10); 3403 3404 /* Don't say we've got more room than we actually allocated */ 3405 param_len = min(param_len, data->alloc_len); 3406 3407 scsi_mode_sense_len(csio, 3408 /* retries */ 1, 3409 /* cbfcnp */ cddone, 3410 /* tag_action */ MSG_SIMPLE_Q_TAG, 3411 /* dbd */ 0, 3412 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3413 /* page */ page, 3414 /* param_buf */ data->mode_buf, 3415 /* param_len */ param_len, 3416 /* minimum_cmd_size */ softc->minimum_command_size, 3417 /* sense_len */ SSD_FULL_SIZE, 3418 /* timeout */ 50000); 3419 3420 /* 3421 * It would be nice not to have to do this, but there's no 3422 * available pointer in the CCB that would allow us to stuff the 3423 * mode params structure in there and retrieve it in 3424 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3425 * lets the caller know what CDB size we ended up using, so they 3426 * can find the actual mode page offset. 3427 */ 3428 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3429 3430 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3431 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3432 3433 xpt_release_ccb(ccb); 3434 3435 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3436 3437 /* 3438 * This is a bit of belt-and-suspenders checking, but if we run 3439 * into a situation where the target sends back multiple block 3440 * descriptors, we might not have enough space in the buffer to 3441 * see the whole mode page. Better to return an error than 3442 * potentially access memory beyond our malloced region. 3443 */ 3444 if (error == 0) { 3445 u_int32_t data_len; 3446 3447 if (data->cdb_size == 10) { 3448 struct scsi_mode_header_10 *hdr10; 3449 3450 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3451 data_len = scsi_2btoul(hdr10->data_length); 3452 data_len += sizeof(hdr10->data_length); 3453 } else { 3454 struct scsi_mode_header_6 *hdr6; 3455 3456 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3457 data_len = hdr6->data_length; 3458 data_len += sizeof(hdr6->data_length); 3459 } 3460 3461 /* 3462 * Complain if there is more mode data available than we 3463 * allocated space for. This could potentially happen if 3464 * we miscalculated the page length for some reason, if the 3465 * drive returns multiple block descriptors, or if it sets 3466 * the data length incorrectly. 3467 */ 3468 if (data_len > data->alloc_len) { 3469 xpt_print_path(periph->path); 3470 kprintf("allocated modepage %d length %d < returned " 3471 "length %d\n", page, data->alloc_len, data_len); 3472 3473 error = ENOSPC; 3474 } 3475 } 3476 return (error); 3477 } 3478 3479 /* 3480 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3481 * routine. See comments in cd6byteworkaround() for details. 3482 */ 3483 static int 3484 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3485 { 3486 struct ccb_scsiio *csio; 3487 struct cd_softc *softc; 3488 union ccb *ccb; 3489 int cdb_size, param_len; 3490 int error; 3491 3492 softc = (struct cd_softc *)periph->softc; 3493 3494 ccb = cdgetccb(periph, /* priority */ 1); 3495 3496 csio = &ccb->csio; 3497 3498 error = 0; 3499 3500 /* 3501 * If the data is formatted for the 10 byte version of the mode 3502 * select parameter list, we need to use the 10 byte CDB. 3503 * Otherwise, we use whatever the stored minimum command size. 3504 */ 3505 if (data->cdb_size == 10) 3506 cdb_size = data->cdb_size; 3507 else 3508 cdb_size = softc->minimum_command_size; 3509 3510 if (cdb_size >= 10) { 3511 struct scsi_mode_header_10 *mode_header; 3512 u_int32_t data_len; 3513 3514 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3515 3516 data_len = scsi_2btoul(mode_header->data_length); 3517 3518 scsi_ulto2b(0, mode_header->data_length); 3519 /* 3520 * SONY drives do not allow a mode select with a medium_type 3521 * value that has just been returned by a mode sense; use a 3522 * medium_type of 0 (Default) instead. 3523 */ 3524 mode_header->medium_type = 0; 3525 3526 /* 3527 * Pass back whatever the drive passed to us, plus the size 3528 * of the data length field. 3529 */ 3530 param_len = data_len + sizeof(mode_header->data_length); 3531 3532 } else { 3533 struct scsi_mode_header_6 *mode_header; 3534 3535 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3536 3537 param_len = mode_header->data_length + 1; 3538 3539 mode_header->data_length = 0; 3540 /* 3541 * SONY drives do not allow a mode select with a medium_type 3542 * value that has just been returned by a mode sense; use a 3543 * medium_type of 0 (Default) instead. 3544 */ 3545 mode_header->medium_type = 0; 3546 } 3547 3548 /* Don't say we've got more room than we actually allocated */ 3549 param_len = min(param_len, data->alloc_len); 3550 3551 scsi_mode_select_len(csio, 3552 /* retries */ 1, 3553 /* cbfcnp */ cddone, 3554 /* tag_action */ MSG_SIMPLE_Q_TAG, 3555 /* scsi_page_fmt */ 1, 3556 /* save_pages */ 0, 3557 /* param_buf */ data->mode_buf, 3558 /* param_len */ param_len, 3559 /* minimum_cmd_size */ cdb_size, 3560 /* sense_len */ SSD_FULL_SIZE, 3561 /* timeout */ 50000); 3562 3563 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3564 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3565 3566 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3567 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3568 3569 xpt_release_ccb(ccb); 3570 3571 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3572 3573 return (error); 3574 } 3575 3576 3577 3578 static int 3579 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3580 { 3581 struct ccb_scsiio *csio; 3582 union ccb *ccb; 3583 int error; 3584 u_int8_t cdb_len; 3585 3586 error = 0; 3587 ccb = cdgetccb(periph, /* priority */ 1); 3588 csio = &ccb->csio; 3589 /* 3590 * Use the smallest possible command to perform the operation. 3591 */ 3592 if ((len & 0xffff0000) == 0) { 3593 /* 3594 * We can fit in a 10 byte cdb. 3595 */ 3596 struct scsi_play_10 *scsi_cmd; 3597 3598 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3599 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3600 scsi_cmd->op_code = PLAY_10; 3601 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3602 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3603 cdb_len = sizeof(*scsi_cmd); 3604 } else { 3605 struct scsi_play_12 *scsi_cmd; 3606 3607 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3608 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3609 scsi_cmd->op_code = PLAY_12; 3610 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3611 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3612 cdb_len = sizeof(*scsi_cmd); 3613 } 3614 cam_fill_csio(csio, 3615 /*retries*/2, 3616 cddone, 3617 /*flags*/CAM_DIR_NONE, 3618 MSG_SIMPLE_Q_TAG, 3619 /*dataptr*/NULL, 3620 /*datalen*/0, 3621 /*sense_len*/SSD_FULL_SIZE, 3622 cdb_len, 3623 /*timeout*/50 * 1000); 3624 3625 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3626 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3627 3628 xpt_release_ccb(ccb); 3629 3630 return(error); 3631 } 3632 3633 static int 3634 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3635 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3636 { 3637 struct scsi_play_msf *scsi_cmd; 3638 struct ccb_scsiio *csio; 3639 union ccb *ccb; 3640 int error; 3641 3642 error = 0; 3643 3644 ccb = cdgetccb(periph, /* priority */ 1); 3645 3646 csio = &ccb->csio; 3647 3648 cam_fill_csio(csio, 3649 /* retries */ 1, 3650 /* cbfcnp */ cddone, 3651 /* flags */ CAM_DIR_NONE, 3652 /* tag_action */ MSG_SIMPLE_Q_TAG, 3653 /* data_ptr */ NULL, 3654 /* dxfer_len */ 0, 3655 /* sense_len */ SSD_FULL_SIZE, 3656 sizeof(struct scsi_play_msf), 3657 /* timeout */ 50000); 3658 3659 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3660 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3661 3662 scsi_cmd->op_code = PLAY_MSF; 3663 scsi_cmd->start_m = startm; 3664 scsi_cmd->start_s = starts; 3665 scsi_cmd->start_f = startf; 3666 scsi_cmd->end_m = endm; 3667 scsi_cmd->end_s = ends; 3668 scsi_cmd->end_f = endf; 3669 3670 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3671 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3672 3673 xpt_release_ccb(ccb); 3674 3675 return(error); 3676 } 3677 3678 3679 static int 3680 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3681 u_int32_t etrack, u_int32_t eindex) 3682 { 3683 struct scsi_play_track *scsi_cmd; 3684 struct ccb_scsiio *csio; 3685 union ccb *ccb; 3686 int error; 3687 3688 error = 0; 3689 3690 ccb = cdgetccb(periph, /* priority */ 1); 3691 3692 csio = &ccb->csio; 3693 3694 cam_fill_csio(csio, 3695 /* retries */ 1, 3696 /* cbfcnp */ cddone, 3697 /* flags */ CAM_DIR_NONE, 3698 /* tag_action */ MSG_SIMPLE_Q_TAG, 3699 /* data_ptr */ NULL, 3700 /* dxfer_len */ 0, 3701 /* sense_len */ SSD_FULL_SIZE, 3702 sizeof(struct scsi_play_track), 3703 /* timeout */ 50000); 3704 3705 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3706 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3707 3708 scsi_cmd->op_code = PLAY_TRACK; 3709 scsi_cmd->start_track = strack; 3710 scsi_cmd->start_index = sindex; 3711 scsi_cmd->end_track = etrack; 3712 scsi_cmd->end_index = eindex; 3713 3714 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3715 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3716 3717 xpt_release_ccb(ccb); 3718 3719 return(error); 3720 } 3721 3722 static int 3723 cdpause(struct cam_periph *periph, u_int32_t go) 3724 { 3725 struct scsi_pause *scsi_cmd; 3726 struct ccb_scsiio *csio; 3727 union ccb *ccb; 3728 int error; 3729 3730 error = 0; 3731 3732 ccb = cdgetccb(periph, /* priority */ 1); 3733 3734 csio = &ccb->csio; 3735 3736 cam_fill_csio(csio, 3737 /* retries */ 1, 3738 /* cbfcnp */ cddone, 3739 /* flags */ CAM_DIR_NONE, 3740 /* tag_action */ MSG_SIMPLE_Q_TAG, 3741 /* data_ptr */ NULL, 3742 /* dxfer_len */ 0, 3743 /* sense_len */ SSD_FULL_SIZE, 3744 sizeof(struct scsi_pause), 3745 /* timeout */ 50000); 3746 3747 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3748 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3749 3750 scsi_cmd->op_code = PAUSE; 3751 scsi_cmd->resume = go; 3752 3753 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3754 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3755 3756 xpt_release_ccb(ccb); 3757 3758 return(error); 3759 } 3760 3761 static int 3762 cdstartunit(struct cam_periph *periph, int load) 3763 { 3764 union ccb *ccb; 3765 int error; 3766 3767 error = 0; 3768 3769 ccb = cdgetccb(periph, /* priority */ 1); 3770 3771 scsi_start_stop(&ccb->csio, 3772 /* retries */ 1, 3773 /* cbfcnp */ cddone, 3774 /* tag_action */ MSG_SIMPLE_Q_TAG, 3775 /* start */ TRUE, 3776 /* load_eject */ load, 3777 /* immediate */ FALSE, 3778 /* sense_len */ SSD_FULL_SIZE, 3779 /* timeout */ 50000); 3780 3781 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3782 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3783 3784 xpt_release_ccb(ccb); 3785 3786 return(error); 3787 } 3788 3789 static int 3790 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3791 { 3792 union ccb *ccb; 3793 int error; 3794 3795 error = 0; 3796 3797 ccb = cdgetccb(periph, /* priority */ 1); 3798 3799 scsi_start_stop(&ccb->csio, 3800 /* retries */ 1, 3801 /* cbfcnp */ cddone, 3802 /* tag_action */ MSG_SIMPLE_Q_TAG, 3803 /* start */ FALSE, 3804 /* load_eject */ eject, 3805 /* immediate */ FALSE, 3806 /* sense_len */ SSD_FULL_SIZE, 3807 /* timeout */ 50000); 3808 3809 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3810 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3811 3812 xpt_release_ccb(ccb); 3813 3814 return(error); 3815 } 3816 3817 static int 3818 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3819 { 3820 struct scsi_set_speed *scsi_cmd; 3821 struct ccb_scsiio *csio; 3822 union ccb *ccb; 3823 int error; 3824 3825 error = 0; 3826 ccb = cdgetccb(periph, /* priority */ 1); 3827 csio = &ccb->csio; 3828 3829 /* Preserve old behavior: units in multiples of CDROM speed */ 3830 if (rdspeed < 177) 3831 rdspeed *= 177; 3832 if (wrspeed < 177) 3833 wrspeed *= 177; 3834 3835 cam_fill_csio(csio, 3836 /* retries */ 1, 3837 /* cbfcnp */ cddone, 3838 /* flags */ CAM_DIR_NONE, 3839 /* tag_action */ MSG_SIMPLE_Q_TAG, 3840 /* data_ptr */ NULL, 3841 /* dxfer_len */ 0, 3842 /* sense_len */ SSD_FULL_SIZE, 3843 sizeof(struct scsi_set_speed), 3844 /* timeout */ 50000); 3845 3846 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3847 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3848 3849 scsi_cmd->opcode = SET_CD_SPEED; 3850 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3851 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3852 3853 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3854 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3855 3856 xpt_release_ccb(ccb); 3857 3858 return(error); 3859 } 3860 3861 static int 3862 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3863 { 3864 union ccb *ccb; 3865 u_int8_t *databuf; 3866 u_int32_t lba; 3867 int error; 3868 int length; 3869 3870 error = 0; 3871 databuf = NULL; 3872 lba = 0; 3873 3874 ccb = cdgetccb(periph, /* priority */ 1); 3875 3876 switch (authinfo->format) { 3877 case DVD_REPORT_AGID: 3878 length = sizeof(struct scsi_report_key_data_agid); 3879 break; 3880 case DVD_REPORT_CHALLENGE: 3881 length = sizeof(struct scsi_report_key_data_challenge); 3882 break; 3883 case DVD_REPORT_KEY1: 3884 length = sizeof(struct scsi_report_key_data_key1_key2); 3885 break; 3886 case DVD_REPORT_TITLE_KEY: 3887 length = sizeof(struct scsi_report_key_data_title); 3888 /* The lba field is only set for the title key */ 3889 lba = authinfo->lba; 3890 break; 3891 case DVD_REPORT_ASF: 3892 length = sizeof(struct scsi_report_key_data_asf); 3893 break; 3894 case DVD_REPORT_RPC: 3895 length = sizeof(struct scsi_report_key_data_rpc); 3896 break; 3897 case DVD_INVALIDATE_AGID: 3898 length = 0; 3899 break; 3900 default: 3901 error = EINVAL; 3902 goto bailout; 3903 break; /* NOTREACHED */ 3904 } 3905 3906 if (length != 0) { 3907 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3908 } else { 3909 databuf = NULL; 3910 } 3911 3912 3913 scsi_report_key(&ccb->csio, 3914 /* retries */ 1, 3915 /* cbfcnp */ cddone, 3916 /* tag_action */ MSG_SIMPLE_Q_TAG, 3917 /* lba */ lba, 3918 /* agid */ authinfo->agid, 3919 /* key_format */ authinfo->format, 3920 /* data_ptr */ databuf, 3921 /* dxfer_len */ length, 3922 /* sense_len */ SSD_FULL_SIZE, 3923 /* timeout */ 50000); 3924 3925 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3926 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3927 3928 if (error != 0) 3929 goto bailout; 3930 3931 if (ccb->csio.resid != 0) { 3932 xpt_print_path(periph->path); 3933 kprintf("warning, residual for report key command is %d\n", 3934 ccb->csio.resid); 3935 } 3936 3937 switch(authinfo->format) { 3938 case DVD_REPORT_AGID: { 3939 struct scsi_report_key_data_agid *agid_data; 3940 3941 agid_data = (struct scsi_report_key_data_agid *)databuf; 3942 3943 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3944 RKD_AGID_SHIFT; 3945 break; 3946 } 3947 case DVD_REPORT_CHALLENGE: { 3948 struct scsi_report_key_data_challenge *chal_data; 3949 3950 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3951 3952 bcopy(chal_data->challenge_key, authinfo->keychal, 3953 min(sizeof(chal_data->challenge_key), 3954 sizeof(authinfo->keychal))); 3955 break; 3956 } 3957 case DVD_REPORT_KEY1: { 3958 struct scsi_report_key_data_key1_key2 *key1_data; 3959 3960 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3961 3962 bcopy(key1_data->key1, authinfo->keychal, 3963 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3964 break; 3965 } 3966 case DVD_REPORT_TITLE_KEY: { 3967 struct scsi_report_key_data_title *title_data; 3968 3969 title_data = (struct scsi_report_key_data_title *)databuf; 3970 3971 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3972 RKD_TITLE_CPM_SHIFT; 3973 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3974 RKD_TITLE_CP_SEC_SHIFT; 3975 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3976 RKD_TITLE_CMGS_SHIFT; 3977 bcopy(title_data->title_key, authinfo->keychal, 3978 min(sizeof(title_data->title_key), 3979 sizeof(authinfo->keychal))); 3980 break; 3981 } 3982 case DVD_REPORT_ASF: { 3983 struct scsi_report_key_data_asf *asf_data; 3984 3985 asf_data = (struct scsi_report_key_data_asf *)databuf; 3986 3987 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3988 break; 3989 } 3990 case DVD_REPORT_RPC: { 3991 struct scsi_report_key_data_rpc *rpc_data; 3992 3993 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3994 3995 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3996 RKD_RPC_TYPE_SHIFT; 3997 authinfo->vend_rsts = 3998 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3999 RKD_RPC_VENDOR_RESET_SHIFT; 4000 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4001 authinfo->region = rpc_data->region_mask; 4002 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4003 break; 4004 } 4005 case DVD_INVALIDATE_AGID: 4006 break; 4007 default: 4008 /* This should be impossible, since we checked above */ 4009 error = EINVAL; 4010 goto bailout; 4011 break; /* NOTREACHED */ 4012 } 4013 bailout: 4014 if (databuf != NULL) 4015 kfree(databuf, M_DEVBUF); 4016 4017 xpt_release_ccb(ccb); 4018 4019 return(error); 4020 } 4021 4022 static int 4023 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4024 { 4025 union ccb *ccb; 4026 u_int8_t *databuf; 4027 int length; 4028 int error; 4029 4030 error = 0; 4031 databuf = NULL; 4032 4033 ccb = cdgetccb(periph, /* priority */ 1); 4034 4035 switch(authinfo->format) { 4036 case DVD_SEND_CHALLENGE: { 4037 struct scsi_report_key_data_challenge *challenge_data; 4038 4039 length = sizeof(*challenge_data); 4040 4041 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4042 4043 databuf = (u_int8_t *)challenge_data; 4044 4045 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4046 challenge_data->data_len); 4047 4048 bcopy(authinfo->keychal, challenge_data->challenge_key, 4049 min(sizeof(authinfo->keychal), 4050 sizeof(challenge_data->challenge_key))); 4051 break; 4052 } 4053 case DVD_SEND_KEY2: { 4054 struct scsi_report_key_data_key1_key2 *key2_data; 4055 4056 length = sizeof(*key2_data); 4057 4058 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4059 4060 databuf = (u_int8_t *)key2_data; 4061 4062 scsi_ulto2b(length - sizeof(key2_data->data_len), 4063 key2_data->data_len); 4064 4065 bcopy(authinfo->keychal, key2_data->key1, 4066 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4067 4068 break; 4069 } 4070 case DVD_SEND_RPC: { 4071 struct scsi_send_key_data_rpc *rpc_data; 4072 4073 length = sizeof(*rpc_data); 4074 4075 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4076 4077 databuf = (u_int8_t *)rpc_data; 4078 4079 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4080 rpc_data->data_len); 4081 4082 rpc_data->region_code = authinfo->region; 4083 break; 4084 } 4085 default: 4086 error = EINVAL; 4087 goto bailout; 4088 break; /* NOTREACHED */ 4089 } 4090 4091 scsi_send_key(&ccb->csio, 4092 /* retries */ 1, 4093 /* cbfcnp */ cddone, 4094 /* tag_action */ MSG_SIMPLE_Q_TAG, 4095 /* agid */ authinfo->agid, 4096 /* key_format */ authinfo->format, 4097 /* data_ptr */ databuf, 4098 /* dxfer_len */ length, 4099 /* sense_len */ SSD_FULL_SIZE, 4100 /* timeout */ 50000); 4101 4102 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4103 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4104 4105 bailout: 4106 4107 if (databuf != NULL) 4108 kfree(databuf, M_DEVBUF); 4109 4110 xpt_release_ccb(ccb); 4111 4112 return(error); 4113 } 4114 4115 static int 4116 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4117 { 4118 union ccb *ccb; 4119 u_int8_t *databuf; 4120 u_int32_t address; 4121 int error; 4122 int length; 4123 4124 error = 0; 4125 databuf = NULL; 4126 /* The address is reserved for many of the formats */ 4127 address = 0; 4128 4129 ccb = cdgetccb(periph, /* priority */ 1); 4130 4131 switch(dvdstruct->format) { 4132 case DVD_STRUCT_PHYSICAL: 4133 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4134 break; 4135 case DVD_STRUCT_COPYRIGHT: 4136 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4137 break; 4138 case DVD_STRUCT_DISCKEY: 4139 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4140 break; 4141 case DVD_STRUCT_BCA: 4142 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4143 break; 4144 case DVD_STRUCT_MANUFACT: 4145 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4146 break; 4147 case DVD_STRUCT_CMI: 4148 error = ENODEV; 4149 goto bailout; 4150 #ifdef notyet 4151 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4152 address = dvdstruct->address; 4153 #endif 4154 break; /* NOTREACHED */ 4155 case DVD_STRUCT_PROTDISCID: 4156 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4157 break; 4158 case DVD_STRUCT_DISCKEYBLOCK: 4159 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4160 break; 4161 case DVD_STRUCT_DDS: 4162 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4163 break; 4164 case DVD_STRUCT_MEDIUM_STAT: 4165 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4166 break; 4167 case DVD_STRUCT_SPARE_AREA: 4168 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4169 break; 4170 case DVD_STRUCT_RMD_LAST: 4171 error = ENODEV; 4172 goto bailout; 4173 #ifdef notyet 4174 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4175 address = dvdstruct->address; 4176 #endif 4177 break; /* NOTREACHED */ 4178 case DVD_STRUCT_RMD_RMA: 4179 error = ENODEV; 4180 goto bailout; 4181 #ifdef notyet 4182 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4183 address = dvdstruct->address; 4184 #endif 4185 break; /* NOTREACHED */ 4186 case DVD_STRUCT_PRERECORDED: 4187 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4188 break; 4189 case DVD_STRUCT_UNIQUEID: 4190 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4191 break; 4192 case DVD_STRUCT_DCB: 4193 error = ENODEV; 4194 goto bailout; 4195 #ifdef notyet 4196 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4197 address = dvdstruct->address; 4198 #endif 4199 break; /* NOTREACHED */ 4200 case DVD_STRUCT_LIST: 4201 /* 4202 * This is the maximum allocation length for the READ DVD 4203 * STRUCTURE command. There's nothing in the MMC3 spec 4204 * that indicates a limit in the amount of data that can 4205 * be returned from this call, other than the limits 4206 * imposed by the 2-byte length variables. 4207 */ 4208 length = 65535; 4209 break; 4210 default: 4211 error = EINVAL; 4212 goto bailout; 4213 break; /* NOTREACHED */ 4214 } 4215 4216 if (length != 0) { 4217 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4218 } else { 4219 databuf = NULL; 4220 } 4221 4222 scsi_read_dvd_structure(&ccb->csio, 4223 /* retries */ 1, 4224 /* cbfcnp */ cddone, 4225 /* tag_action */ MSG_SIMPLE_Q_TAG, 4226 /* lba */ address, 4227 /* layer_number */ dvdstruct->layer_num, 4228 /* key_format */ dvdstruct->format, 4229 /* agid */ dvdstruct->agid, 4230 /* data_ptr */ databuf, 4231 /* dxfer_len */ length, 4232 /* sense_len */ SSD_FULL_SIZE, 4233 /* timeout */ 50000); 4234 4235 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4236 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4237 4238 if (error != 0) 4239 goto bailout; 4240 4241 switch(dvdstruct->format) { 4242 case DVD_STRUCT_PHYSICAL: { 4243 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4244 struct dvd_layer *outlayer; 4245 struct scsi_read_dvd_struct_data_physical *phys_data; 4246 4247 phys_data = 4248 (struct scsi_read_dvd_struct_data_physical *)databuf; 4249 inlayer = &phys_data->layer_desc; 4250 outlayer = (struct dvd_layer *)&dvdstruct->data; 4251 4252 dvdstruct->length = sizeof(*inlayer); 4253 4254 outlayer->book_type = (inlayer->book_type_version & 4255 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4256 outlayer->book_version = (inlayer->book_type_version & 4257 RDSD_BOOK_VERSION_MASK); 4258 outlayer->disc_size = (inlayer->disc_size_max_rate & 4259 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4260 outlayer->max_rate = (inlayer->disc_size_max_rate & 4261 RDSD_MAX_RATE_MASK); 4262 outlayer->nlayers = (inlayer->layer_info & 4263 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4264 outlayer->track_path = (inlayer->layer_info & 4265 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4266 outlayer->layer_type = (inlayer->layer_info & 4267 RDSD_LAYER_TYPE_MASK); 4268 outlayer->linear_density = (inlayer->density & 4269 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4270 outlayer->track_density = (inlayer->density & 4271 RDSD_TRACK_DENSITY_MASK); 4272 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4273 RDSD_BCA_SHIFT; 4274 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4275 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4276 outlayer->end_sector_l0 = 4277 scsi_3btoul(inlayer->end_sector_layer0); 4278 break; 4279 } 4280 case DVD_STRUCT_COPYRIGHT: { 4281 struct scsi_read_dvd_struct_data_copyright *copy_data; 4282 4283 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4284 databuf; 4285 4286 dvdstruct->cpst = copy_data->cps_type; 4287 dvdstruct->rmi = copy_data->region_info; 4288 dvdstruct->length = 0; 4289 4290 break; 4291 } 4292 default: 4293 /* 4294 * Tell the user what the overall length is, no matter 4295 * what we can actually fit in the data buffer. 4296 */ 4297 dvdstruct->length = length - ccb->csio.resid - 4298 sizeof(struct scsi_read_dvd_struct_data_header); 4299 4300 /* 4301 * But only actually copy out the smaller of what we read 4302 * in or what the structure can take. 4303 */ 4304 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4305 dvdstruct->data, 4306 min(sizeof(dvdstruct->data), dvdstruct->length)); 4307 break; 4308 } 4309 bailout: 4310 4311 if (databuf != NULL) 4312 kfree(databuf, M_DEVBUF); 4313 4314 xpt_release_ccb(ccb); 4315 4316 return(error); 4317 } 4318 4319 void 4320 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4321 void (*cbfcnp)(struct cam_periph *, union ccb *), 4322 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4323 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4324 u_int8_t sense_len, u_int32_t timeout) 4325 { 4326 struct scsi_report_key *scsi_cmd; 4327 4328 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4329 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4330 scsi_cmd->opcode = REPORT_KEY; 4331 scsi_ulto4b(lba, scsi_cmd->lba); 4332 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4333 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4334 (key_format & RK_KF_KEYFORMAT_MASK); 4335 4336 cam_fill_csio(csio, 4337 retries, 4338 cbfcnp, 4339 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4340 tag_action, 4341 /*data_ptr*/ data_ptr, 4342 /*dxfer_len*/ dxfer_len, 4343 sense_len, 4344 sizeof(*scsi_cmd), 4345 timeout); 4346 } 4347 4348 void 4349 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4350 void (*cbfcnp)(struct cam_periph *, union ccb *), 4351 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4352 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4353 u_int32_t timeout) 4354 { 4355 struct scsi_send_key *scsi_cmd; 4356 4357 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4358 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4359 scsi_cmd->opcode = SEND_KEY; 4360 4361 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4362 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4363 (key_format & RK_KF_KEYFORMAT_MASK); 4364 4365 cam_fill_csio(csio, 4366 retries, 4367 cbfcnp, 4368 /*flags*/ CAM_DIR_OUT, 4369 tag_action, 4370 /*data_ptr*/ data_ptr, 4371 /*dxfer_len*/ dxfer_len, 4372 sense_len, 4373 sizeof(*scsi_cmd), 4374 timeout); 4375 } 4376 4377 4378 void 4379 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4380 void (*cbfcnp)(struct cam_periph *, union ccb *), 4381 u_int8_t tag_action, u_int32_t address, 4382 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4383 u_int8_t *data_ptr, u_int32_t dxfer_len, 4384 u_int8_t sense_len, u_int32_t timeout) 4385 { 4386 struct scsi_read_dvd_structure *scsi_cmd; 4387 4388 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4389 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4390 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4391 4392 scsi_ulto4b(address, scsi_cmd->address); 4393 scsi_cmd->layer_number = layer_number; 4394 scsi_cmd->format = format; 4395 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4396 /* The AGID is the top two bits of this byte */ 4397 scsi_cmd->agid = agid << 6; 4398 4399 cam_fill_csio(csio, 4400 retries, 4401 cbfcnp, 4402 /*flags*/ CAM_DIR_IN, 4403 tag_action, 4404 /*data_ptr*/ data_ptr, 4405 /*dxfer_len*/ dxfer_len, 4406 sense_len, 4407 sizeof(*scsi_cmd), 4408 timeout); 4409 } 4410