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 1.36 2007/11/18 17:53:01 pavalos Exp $ 29 */ 30 /* 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include "opt_cd.h" 51 52 #include <sys/param.h> 53 #include <sys/bootmaj.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/buf.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/dtype.h> 60 #include <sys/malloc.h> 61 #include <sys/cdio.h> 62 #include <sys/cdrio.h> 63 #include <sys/dvdio.h> 64 #include <sys/devicestat.h> 65 #include <sys/sysctl.h> 66 #include <sys/taskqueue.h> 67 #include <sys/proc.h> 68 #include <sys/buf2.h> 69 #include <sys/thread2.h> 70 71 #include "../cam.h" 72 #include "../cam_ccb.h" 73 #include "../cam_extend.h" 74 #include "../cam_periph.h" 75 #include "../cam_xpt_periph.h" 76 #include "../cam_queue.h" 77 78 #include "scsi_message.h" 79 #include "scsi_da.h" 80 #include "scsi_cd.h" 81 82 #define LEADOUT 0xaa /* leadout toc entry */ 83 84 struct cd_params { 85 u_int32_t blksize; 86 u_long disksize; 87 }; 88 89 typedef enum { 90 CD_Q_NONE = 0x00, 91 CD_Q_NO_TOUCH = 0x01, 92 CD_Q_BCD_TRACKS = 0x02, 93 CD_Q_NO_CHANGER = 0x04, 94 CD_Q_CHANGER = 0x08, 95 CD_Q_10_BYTE_ONLY = 0x10 96 } cd_quirks; 97 98 typedef enum { 99 CD_FLAG_INVALID = 0x0001, 100 CD_FLAG_NEW_DISC = 0x0002, 101 CD_FLAG_DISC_LOCKED = 0x0004, 102 CD_FLAG_DISC_REMOVABLE = 0x0008, 103 CD_FLAG_TAGGED_QUEUING = 0x0010, 104 CD_FLAG_CHANGER = 0x0040, 105 CD_FLAG_ACTIVE = 0x0080, 106 CD_FLAG_SCHED_ON_COMP = 0x0100, 107 CD_FLAG_RETRY_UA = 0x0200, 108 CD_FLAG_VALID_MEDIA = 0x0400, 109 CD_FLAG_VALID_TOC = 0x0800, 110 CD_FLAG_OPEN = 0x1000, 111 CD_FLAG_SCTX_INIT = 0x2000 112 } cd_flags; 113 114 typedef enum { 115 CD_CCB_PROBE = 0x01, 116 CD_CCB_BUFFER_IO = 0x02, 117 CD_CCB_WAITING = 0x03, 118 CD_CCB_TYPE_MASK = 0x0F, 119 CD_CCB_RETRY_UA = 0x10 120 } cd_ccb_state; 121 122 typedef enum { 123 CHANGER_TIMEOUT_SCHED = 0x01, 124 CHANGER_SHORT_TMOUT_SCHED = 0x02, 125 CHANGER_MANUAL_CALL = 0x04, 126 CHANGER_NEED_TIMEOUT = 0x08 127 } cd_changer_flags; 128 129 #define ccb_state ppriv_field0 130 #define ccb_bio ppriv_ptr1 131 132 struct cd_tocdata { 133 struct ioc_toc_header header; 134 struct cd_toc_entry entries[100]; 135 }; 136 137 struct cd_toc_single { 138 struct ioc_toc_header header; 139 struct cd_toc_entry entry; 140 }; 141 142 typedef enum { 143 CD_STATE_PROBE, 144 CD_STATE_NORMAL 145 } cd_state; 146 147 struct cd_softc { 148 cam_pinfo pinfo; 149 cd_state state; 150 volatile cd_flags flags; 151 struct bio_queue_head bio_queue; 152 LIST_HEAD(, ccb_hdr) pending_ccbs; 153 struct cd_params params; 154 struct disk disk; 155 union ccb saved_ccb; 156 cd_quirks quirks; 157 struct devstat device_stats; 158 STAILQ_ENTRY(cd_softc) changer_links; 159 struct cdchanger *changer; 160 int bufs_left; 161 struct cam_periph *periph; 162 int minimum_command_size; 163 struct task sysctl_task; 164 struct sysctl_ctx_list sysctl_ctx; 165 struct sysctl_oid *sysctl_tree; 166 STAILQ_HEAD(, cd_mode_params) mode_queue; 167 struct cd_tocdata toc; 168 }; 169 170 struct cd_page_sizes { 171 int page; 172 int page_size; 173 }; 174 175 static struct cd_page_sizes cd_page_size_table[] = 176 { 177 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 178 }; 179 180 struct cd_quirk_entry { 181 struct scsi_inquiry_pattern inq_pat; 182 cd_quirks quirks; 183 }; 184 185 /* 186 * The changer quirk entries aren't strictly necessary. Basically, what 187 * they do is tell cdregister() up front that a device is a changer. 188 * Otherwise, it will figure that fact out once it sees a LUN on the device 189 * that is greater than 0. If it is known up front that a device is a changer, 190 * all I/O to the device will go through the changer scheduling routines, as 191 * opposed to the "normal" CD code. 192 * 193 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 194 * your device hangs when it gets a 10 byte command. Adding a quirk just 195 * to get rid of the informative diagnostic message is not acceptable. All 196 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 197 * referenced in a comment along with the quirk) , and must be approved by 198 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 199 * be removed until the submitter can explain why they are needed. 200 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 201 * when the CAM_NEW_TRAN_CODE work is done. 202 */ 203 static struct cd_quirk_entry cd_quirk_table[] = 204 { 205 { 206 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 207 /*quirks*/ CD_Q_CHANGER 208 }, 209 { 210 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 211 "*"}, /* quirks */ CD_Q_CHANGER 212 }, 213 { 214 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 215 /* quirks */ CD_Q_CHANGER 216 }, 217 { 218 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 219 /* quirks */ CD_Q_BCD_TRACKS 220 } 221 }; 222 223 static d_open_t cdopen; 224 static d_close_t cdclose; 225 static d_ioctl_t cdioctl; 226 static d_strategy_t cdstrategy; 227 228 static periph_init_t cdinit; 229 static periph_ctor_t cdregister; 230 static periph_dtor_t cdcleanup; 231 static periph_start_t cdstart; 232 static periph_oninv_t cdoninvalidate; 233 static void cdasync(void *callback_arg, u_int32_t code, 234 struct cam_path *path, void *arg); 235 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 236 static void cdshorttimeout(void *arg); 237 static void cdschedule(struct cam_periph *periph, int priority); 238 static void cdrunchangerqueue(void *arg); 239 static void cdchangerschedule(struct cd_softc *softc); 240 static int cdrunccb(union ccb *ccb, 241 int (*error_routine)(union ccb *ccb, 242 u_int32_t cam_flags, 243 u_int32_t sense_flags), 244 u_int32_t cam_flags, u_int32_t sense_flags); 245 static union ccb *cdgetccb(struct cam_periph *periph, 246 u_int32_t priority); 247 static void cddone(struct cam_periph *periph, 248 union ccb *start_ccb); 249 static int cderror(union ccb *ccb, u_int32_t cam_flags, 250 u_int32_t sense_flags); 251 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 252 static int cdgetpagesize(int page_num); 253 static void cdprevent(struct cam_periph *periph, int action); 254 static int cdcheckmedia(struct cam_periph *periph); 255 static int cdsize(struct cam_periph *periph, u_int32_t *size); 256 static int cd6byteworkaround(union ccb *ccb); 257 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 258 u_int32_t start, u_int8_t *data, 259 u_int32_t len, u_int32_t sense_flags); 260 static int cdgetmode(struct cam_periph *periph, 261 struct cd_mode_params *data, u_int32_t page); 262 static int cdsetmode(struct cam_periph *periph, 263 struct cd_mode_params *data); 264 static int cdplay(struct cam_periph *periph, u_int32_t blk, 265 u_int32_t len); 266 static int cdreadsubchannel(struct cam_periph *periph, 267 u_int32_t mode, u_int32_t format, 268 int track, 269 struct cd_sub_channel_info *data, 270 u_int32_t len); 271 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 272 u_int32_t starts, u_int32_t startf, 273 u_int32_t endm, u_int32_t ends, 274 u_int32_t endf); 275 static int cdplaytracks(struct cam_periph *periph, 276 u_int32_t strack, u_int32_t sindex, 277 u_int32_t etrack, u_int32_t eindex); 278 static int cdpause(struct cam_periph *periph, u_int32_t go); 279 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 280 static int cdstartunit(struct cam_periph *periph, int load); 281 static int cdsetspeed(struct cam_periph *periph, 282 u_int32_t rdspeed, u_int32_t wrspeed); 283 static int cdreportkey(struct cam_periph *periph, 284 struct dvd_authinfo *authinfo); 285 static int cdsendkey(struct cam_periph *periph, 286 struct dvd_authinfo *authinfo); 287 static int cdreaddvdstructure(struct cam_periph *periph, 288 struct dvd_struct *dvdstruct); 289 290 static struct periph_driver cddriver = 291 { 292 cdinit, "cd", 293 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 294 }; 295 296 PERIPHDRIVER_DECLARE(cd, cddriver); 297 298 /* For 2.2-stable support */ 299 #ifndef D_DISK 300 #define D_DISK 0 301 #endif 302 static struct dev_ops cd_ops = { 303 { "cd", SCSICD_CDEV_MAJOR, D_DISK }, 304 .d_open = cdopen, 305 .d_close = cdclose, 306 .d_read = physread, 307 .d_write = physwrite, 308 .d_ioctl = cdioctl, 309 .d_strategy = cdstrategy 310 }; 311 312 static struct extend_array *cdperiphs; 313 static int num_changers; 314 315 #ifndef CHANGER_MIN_BUSY_SECONDS 316 #define CHANGER_MIN_BUSY_SECONDS 5 317 #endif 318 #ifndef CHANGER_MAX_BUSY_SECONDS 319 #define CHANGER_MAX_BUSY_SECONDS 15 320 #endif 321 322 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 323 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 324 325 /* 326 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 327 * variables. 328 */ 329 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 330 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 331 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 332 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 333 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 334 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 335 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 336 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 337 338 struct cdchanger { 339 path_id_t path_id; 340 target_id_t target_id; 341 int num_devices; 342 struct camq devq; 343 struct timeval start_time; 344 struct cd_softc *cur_device; 345 struct callout short_handle; 346 struct callout long_handle; 347 volatile cd_changer_flags flags; 348 STAILQ_ENTRY(cdchanger) changer_links; 349 STAILQ_HEAD(chdevlist, cd_softc) chluns; 350 }; 351 352 static STAILQ_HEAD(changerlist, cdchanger) changerq; 353 354 void 355 cdinit(void) 356 { 357 cam_status status; 358 struct cam_path *path; 359 360 /* 361 * Create our extend array for storing the devices we attach to. 362 */ 363 cdperiphs = cam_extend_new(); 364 if (cdperiphs == NULL) { 365 kprintf("cd: Failed to alloc extend array!\n"); 366 return; 367 } 368 369 /* 370 * Install a global async callback. This callback will 371 * receive async callbacks like "new device found". 372 */ 373 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 374 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 375 376 if (status == CAM_REQ_CMP) { 377 struct ccb_setasync csa; 378 379 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 380 csa.ccb_h.func_code = XPT_SASYNC_CB; 381 csa.event_enable = AC_FOUND_DEVICE; 382 csa.callback = cdasync; 383 csa.callback_arg = NULL; 384 xpt_action((union ccb *)&csa); 385 status = csa.ccb_h.status; 386 xpt_free_path(path); 387 } 388 389 if (status != CAM_REQ_CMP) { 390 kprintf("cd: Failed to attach master async callback " 391 "due to status 0x%x!\n", status); 392 } 393 } 394 395 static void 396 cdoninvalidate(struct cam_periph *periph) 397 { 398 struct cd_softc *softc; 399 struct buf *q_bp; 400 struct bio *q_bio; 401 struct ccb_setasync csa; 402 403 softc = (struct cd_softc *)periph->softc; 404 405 /* 406 * De-register any async callbacks. 407 */ 408 xpt_setup_ccb(&csa.ccb_h, periph->path, 409 /* priority */ 5); 410 csa.ccb_h.func_code = XPT_SASYNC_CB; 411 csa.event_enable = 0; 412 csa.callback = cdasync; 413 csa.callback_arg = periph; 414 xpt_action((union ccb *)&csa); 415 416 softc->flags |= CD_FLAG_INVALID; 417 418 /* 419 * Although the oninvalidate() routines are always while in a 420 * critical section, we need to be in a critical section here to 421 * keep the buffer queue from being modified while we traverse it. 422 */ 423 crit_enter(); 424 425 /* 426 * Return all queued I/O with ENXIO. 427 * XXX Handle any transactions queued to the card 428 * with XPT_ABORT_CCB. 429 */ 430 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 431 bioq_remove(&softc->bio_queue, q_bio); 432 q_bp = q_bio->bio_buf; 433 q_bp->b_resid = q_bp->b_bcount; 434 q_bp->b_error = ENXIO; 435 q_bp->b_flags |= B_ERROR; 436 biodone(q_bio); 437 } 438 crit_exit(); 439 440 /* 441 * If this device is part of a changer, and it was scheduled 442 * to run, remove it from the run queue since we just nuked 443 * all of its scheduled I/O. 444 */ 445 if ((softc->flags & CD_FLAG_CHANGER) 446 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 447 camq_remove(&softc->changer->devq, softc->pinfo.index); 448 449 xpt_print_path(periph->path); 450 kprintf("lost device\n"); 451 } 452 453 static void 454 cdcleanup(struct cam_periph *periph) 455 { 456 struct cd_softc *softc; 457 458 softc = (struct cd_softc *)periph->softc; 459 460 xpt_print_path(periph->path); 461 kprintf("removing device entry\n"); 462 463 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 464 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 465 xpt_print_path(periph->path); 466 kprintf("can't remove sysctl context\n"); 467 } 468 469 crit_enter(); 470 /* 471 * In the queued, non-active case, the device in question 472 * has already been removed from the changer run queue. Since this 473 * device is active, we need to de-activate it, and schedule 474 * another device to run. (if there is another one to run) 475 */ 476 if ((softc->flags & CD_FLAG_CHANGER) 477 && (softc->flags & CD_FLAG_ACTIVE)) { 478 479 /* 480 * The purpose of the short timeout is soley to determine 481 * whether the current device has finished or not. Well, 482 * since we're removing the active device, we know that it 483 * is finished. So, get rid of the short timeout. 484 * Otherwise, if we're in the time period before the short 485 * timeout fires, and there are no other devices in the 486 * queue to run, there won't be any other device put in the 487 * active slot. i.e., when we call cdrunchangerqueue() 488 * below, it won't do anything. Then, when the short 489 * timeout fires, it'll look at the "current device", which 490 * we are free below, and possibly panic the kernel on a 491 * bogus pointer reference. 492 * 493 * The long timeout doesn't really matter, since we 494 * decrement the qfrozen_cnt to indicate that there is 495 * nothing in the active slot now. Therefore, there won't 496 * be any bogus pointer references there. 497 */ 498 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 499 callout_stop(&softc->changer->short_handle); 500 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 501 } 502 softc->changer->devq.qfrozen_cnt--; 503 softc->changer->flags |= CHANGER_MANUAL_CALL; 504 cdrunchangerqueue(softc->changer); 505 } 506 507 /* 508 * If we're removing the last device on the changer, go ahead and 509 * remove the changer device structure. 510 */ 511 if ((softc->flags & CD_FLAG_CHANGER) 512 && (--softc->changer->num_devices == 0)) { 513 514 /* 515 * Theoretically, there shouldn't be any timeouts left, but 516 * I'm not completely sure that that will be the case. So, 517 * it won't hurt to check and see if there are any left. 518 */ 519 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 520 callout_stop(&softc->changer->long_handle); 521 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 522 } 523 524 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 525 callout_stop(&softc->changer->short_handle); 526 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 527 } 528 529 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 530 changer_links); 531 xpt_print_path(periph->path); 532 kprintf("removing changer entry\n"); 533 kfree(softc->changer, M_DEVBUF); 534 num_changers--; 535 } 536 devstat_remove_entry(&softc->device_stats); 537 cam_extend_release(cdperiphs, periph->unit_number); 538 if (softc->disk.d_rawdev) { 539 disk_destroy(&softc->disk); 540 } 541 kfree(softc, M_DEVBUF); 542 crit_exit(); 543 } 544 545 static void 546 cdasync(void *callback_arg, u_int32_t code, 547 struct cam_path *path, void *arg) 548 { 549 struct cam_periph *periph; 550 551 periph = (struct cam_periph *)callback_arg; 552 switch (code) { 553 case AC_FOUND_DEVICE: 554 { 555 struct ccb_getdev *cgd; 556 cam_status status; 557 558 cgd = (struct ccb_getdev *)arg; 559 560 if (SID_TYPE(&cgd->inq_data) != T_CDROM 561 && SID_TYPE(&cgd->inq_data) != T_WORM) 562 break; 563 564 /* 565 * Allocate a peripheral instance for 566 * this device and start the probe 567 * process. 568 */ 569 status = cam_periph_alloc(cdregister, cdoninvalidate, 570 cdcleanup, cdstart, 571 "cd", CAM_PERIPH_BIO, 572 cgd->ccb_h.path, cdasync, 573 AC_FOUND_DEVICE, cgd); 574 575 if (status != CAM_REQ_CMP 576 && status != CAM_REQ_INPROG) 577 kprintf("cdasync: Unable to attach new device " 578 "due to status 0x%x\n", status); 579 580 break; 581 } 582 case AC_SENT_BDR: 583 case AC_BUS_RESET: 584 { 585 struct cd_softc *softc; 586 struct ccb_hdr *ccbh; 587 588 softc = (struct cd_softc *)periph->softc; 589 crit_enter(); 590 /* 591 * Don't fail on the expected unit attention 592 * that will occur. 593 */ 594 softc->flags |= CD_FLAG_RETRY_UA; 595 LIST_FOREACH(ccbh, &softc->pending_ccbs, 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, &cd_ops); 771 softc->disk.d_rawdev->si_iosize_max = MAXPHYS; 772 softc->disk.d_info.d_dsflags = DSO_ONESLICE | DSO_COMPATLABEL | 773 DSO_COMPATPARTA; 774 775 /* 776 * Add an async callback so that we get 777 * notified if this device goes away. 778 */ 779 xpt_setup_ccb(&csa.ccb_h, periph->path, 780 /* priority */ 5); 781 csa.ccb_h.func_code = XPT_SASYNC_CB; 782 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 783 csa.callback = cdasync; 784 csa.callback_arg = periph; 785 xpt_action((union ccb *)&csa); 786 787 /* 788 * If the target lun is greater than 0, we most likely have a CD 789 * changer device. Check the quirk entries as well, though, just 790 * in case someone has a CD tower with one lun per drive or 791 * something like that. Also, if we know up front that a 792 * particular device is a changer, we can mark it as such starting 793 * with lun 0, instead of lun 1. It shouldn't be necessary to have 794 * a quirk entry to define something as a changer, however. 795 */ 796 if (((cgd->ccb_h.target_lun > 0) 797 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 798 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 799 struct cdchanger *nchanger; 800 struct cam_periph *nperiph; 801 struct cam_path *path; 802 cam_status status; 803 int found; 804 805 /* Set the changer flag in the current device's softc */ 806 softc->flags |= CD_FLAG_CHANGER; 807 808 if (num_changers == 0) 809 STAILQ_INIT(&changerq); 810 811 /* 812 * Now, look around for an existing changer device with the 813 * same path and target ID as the current device. 814 */ 815 for (found = 0, 816 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 817 nchanger != NULL; 818 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 819 if ((nchanger->path_id == cgd->ccb_h.path_id) 820 && (nchanger->target_id == cgd->ccb_h.target_id)) { 821 found = 1; 822 break; 823 } 824 } 825 826 /* 827 * If we found a matching entry, just add this device to 828 * the list of devices on this changer. 829 */ 830 if (found == 1) { 831 struct chdevlist *chlunhead; 832 833 chlunhead = &nchanger->chluns; 834 835 /* 836 * XXX KDM look at consolidating this code with the 837 * code below in a separate function. 838 */ 839 840 /* 841 * Create a path with lun id 0, and see if we can 842 * find a matching device 843 */ 844 status = xpt_create_path(&path, /*periph*/ periph, 845 cgd->ccb_h.path_id, 846 cgd->ccb_h.target_id, 0); 847 848 if ((status == CAM_REQ_CMP) 849 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 850 struct cd_softc *nsoftc; 851 852 nsoftc = (struct cd_softc *)nperiph->softc; 853 854 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 855 nsoftc->flags |= CD_FLAG_CHANGER; 856 nchanger->num_devices++; 857 if (camq_resize(&nchanger->devq, 858 nchanger->num_devices)!=CAM_REQ_CMP){ 859 kprintf("cdregister: " 860 "camq_resize " 861 "failed, changer " 862 "support may " 863 "be messed up\n"); 864 } 865 nsoftc->changer = nchanger; 866 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 867 868 STAILQ_INSERT_TAIL(&nchanger->chluns, 869 nsoftc,changer_links); 870 } 871 xpt_free_path(path); 872 } else if (status == CAM_REQ_CMP) 873 xpt_free_path(path); 874 else { 875 kprintf("cdregister: unable to allocate path\n" 876 "cdregister: changer support may be " 877 "broken\n"); 878 } 879 880 nchanger->num_devices++; 881 882 softc->changer = nchanger; 883 softc->pinfo.index = CAM_UNQUEUED_INDEX; 884 885 if (camq_resize(&nchanger->devq, 886 nchanger->num_devices) != CAM_REQ_CMP) { 887 kprintf("cdregister: camq_resize " 888 "failed, changer support may " 889 "be messed up\n"); 890 } 891 892 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 893 } 894 /* 895 * In this case, we don't already have an entry for this 896 * particular changer, so we need to create one, add it to 897 * the queue, and queue this device on the list for this 898 * changer. Before we queue this device, however, we need 899 * to search for lun id 0 on this target, and add it to the 900 * queue first, if it exists. (and if it hasn't already 901 * been marked as part of the changer.) 902 */ 903 else { 904 nchanger = kmalloc(sizeof(struct cdchanger), 905 M_DEVBUF, M_INTWAIT | M_ZERO); 906 callout_init(&nchanger->short_handle); 907 callout_init(&nchanger->long_handle); 908 if (camq_init(&nchanger->devq, 1) != 0) { 909 softc->flags &= ~CD_FLAG_CHANGER; 910 kprintf("cdregister: changer support " 911 "disabled\n"); 912 goto cdregisterexit; 913 } 914 915 num_changers++; 916 917 nchanger->path_id = cgd->ccb_h.path_id; 918 nchanger->target_id = cgd->ccb_h.target_id; 919 920 /* this is superfluous, but it makes things clearer */ 921 nchanger->num_devices = 0; 922 923 STAILQ_INIT(&nchanger->chluns); 924 925 STAILQ_INSERT_TAIL(&changerq, nchanger, 926 changer_links); 927 928 /* 929 * Create a path with lun id 0, and see if we can 930 * find a matching device 931 */ 932 status = xpt_create_path(&path, /*periph*/ periph, 933 cgd->ccb_h.path_id, 934 cgd->ccb_h.target_id, 0); 935 936 /* 937 * If we were able to allocate the path, and if we 938 * find a matching device and it isn't already 939 * marked as part of a changer, then we add it to 940 * the current changer. 941 */ 942 if ((status == CAM_REQ_CMP) 943 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 944 && ((((struct cd_softc *)periph->softc)->flags & 945 CD_FLAG_CHANGER) == 0)) { 946 struct cd_softc *nsoftc; 947 948 nsoftc = (struct cd_softc *)nperiph->softc; 949 950 nsoftc->flags |= CD_FLAG_CHANGER; 951 nchanger->num_devices++; 952 if (camq_resize(&nchanger->devq, 953 nchanger->num_devices) != CAM_REQ_CMP) { 954 kprintf("cdregister: camq_resize " 955 "failed, changer support may " 956 "be messed up\n"); 957 } 958 nsoftc->changer = nchanger; 959 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 960 961 STAILQ_INSERT_TAIL(&nchanger->chluns, 962 nsoftc, changer_links); 963 xpt_free_path(path); 964 } else if (status == CAM_REQ_CMP) 965 xpt_free_path(path); 966 else { 967 kprintf("cdregister: unable to allocate path\n" 968 "cdregister: changer support may be " 969 "broken\n"); 970 } 971 972 softc->changer = nchanger; 973 softc->pinfo.index = CAM_UNQUEUED_INDEX; 974 nchanger->num_devices++; 975 if (camq_resize(&nchanger->devq, 976 nchanger->num_devices) != CAM_REQ_CMP) { 977 kprintf("cdregister: camq_resize " 978 "failed, changer support may " 979 "be messed up\n"); 980 } 981 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 982 changer_links); 983 } 984 } 985 986 cdregisterexit: 987 988 /* Lock this peripheral until we are setup */ 989 /* Can't block */ 990 cam_periph_lock(periph, 0); 991 992 if ((softc->flags & CD_FLAG_CHANGER) == 0) 993 xpt_schedule(periph, /*priority*/5); 994 else 995 cdschedule(periph, /*priority*/ 5); 996 997 return(CAM_REQ_CMP); 998 } 999 1000 static int 1001 cdopen(struct dev_open_args *ap) 1002 { 1003 cdev_t dev = ap->a_head.a_dev; 1004 struct cam_periph *periph; 1005 struct cd_softc *softc; 1006 int unit, error; 1007 1008 unit = dkunit(dev); 1009 periph = cam_extend_get(cdperiphs, unit); 1010 1011 if (periph == NULL) 1012 return (ENXIO); 1013 1014 softc = (struct cd_softc *)periph->softc; 1015 1016 /* 1017 * Grab a critical section and hold it until we lock the peripheral. 1018 */ 1019 crit_enter(); 1020 if (softc->flags & CD_FLAG_INVALID) { 1021 crit_exit(); 1022 return(ENXIO); 1023 } 1024 1025 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1026 crit_exit(); 1027 return (error); 1028 } 1029 1030 crit_exit(); 1031 1032 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1033 return(ENXIO); 1034 1035 /* 1036 * Check for media, and set the appropriate flags. We don't bail 1037 * if we don't have media, but then we don't allow anything but the 1038 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1039 * 1040 * XXX KDM for now, we do fail the open if we don't have media. We 1041 * can change this once we've figured out how to make the slice 1042 * code work well with media changing underneath it. 1043 */ 1044 error = cdcheckmedia(periph); 1045 1046 if (error == 0) 1047 softc->flags |= CD_FLAG_OPEN; 1048 1049 cam_periph_unlock(periph); 1050 1051 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1052 1053 return (error); 1054 } 1055 1056 static int 1057 cdclose(struct dev_close_args *ap) 1058 { 1059 cdev_t dev = ap->a_head.a_dev; 1060 struct cam_periph *periph; 1061 struct cd_softc *softc; 1062 struct disk_info *info; 1063 int unit, error; 1064 1065 unit = dkunit(dev); 1066 periph = cam_extend_get(cdperiphs, unit); 1067 if (periph == NULL) 1068 return (ENXIO); 1069 1070 softc = (struct cd_softc *)periph->softc; 1071 1072 if ((error = cam_periph_lock(periph, 0)) != 0) 1073 return (error); 1074 1075 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1076 cdprevent(periph, PR_ALLOW); 1077 1078 /* 1079 * Unconditionally set the dsopen() flags back to their default 1080 * state. 1081 */ 1082 info = &softc->disk.d_info; 1083 info->d_dsflags &= ~DSO_NOLABELS; 1084 info->d_dsflags |= DSO_COMPATLABEL; 1085 1086 /* 1087 * Since we're closing this CD, mark the blocksize as unavailable. 1088 * It will be marked as available when the CD is opened again. 1089 */ 1090 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1091 1092 /* 1093 * We'll check the media and toc again at the next open(). 1094 */ 1095 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1096 1097 softc->flags &= ~CD_FLAG_OPEN; 1098 1099 cam_periph_unlock(periph); 1100 cam_periph_release(periph); 1101 1102 return (0); 1103 } 1104 1105 static void 1106 cdshorttimeout(void *arg) 1107 { 1108 struct cdchanger *changer; 1109 1110 crit_enter(); 1111 1112 changer = (struct cdchanger *)arg; 1113 1114 /* Always clear the short timeout flag, since that's what we're in */ 1115 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1116 1117 /* 1118 * Check to see if there is any more pending or outstanding I/O for 1119 * this device. If not, move it out of the active slot. 1120 */ 1121 if ((bioq_first(&changer->cur_device->bio_queue) == NULL) 1122 && (changer->cur_device->device_stats.busy_count == 0)) { 1123 changer->flags |= CHANGER_MANUAL_CALL; 1124 cdrunchangerqueue(changer); 1125 } 1126 crit_exit(); 1127 } 1128 1129 /* 1130 * This is a wrapper for xpt_schedule. It only applies to changers. 1131 */ 1132 static void 1133 cdschedule(struct cam_periph *periph, int priority) 1134 { 1135 struct cd_softc *softc; 1136 1137 crit_enter(); 1138 1139 softc = (struct cd_softc *)periph->softc; 1140 1141 /* 1142 * If this device isn't currently queued, and if it isn't 1143 * the active device, then we queue this device and run the 1144 * changer queue if there is no timeout scheduled to do it. 1145 * If this device is the active device, just schedule it 1146 * to run again. If this device is queued, there should be 1147 * a timeout in place already that will make sure it runs. 1148 */ 1149 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1150 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1151 /* 1152 * We don't do anything with the priority here. 1153 * This is strictly a fifo queue. 1154 */ 1155 softc->pinfo.priority = 1; 1156 softc->pinfo.generation = ++softc->changer->devq.generation; 1157 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1158 1159 /* 1160 * Since we just put a device in the changer queue, 1161 * check and see if there is a timeout scheduled for 1162 * this changer. If so, let the timeout handle 1163 * switching this device into the active slot. If 1164 * not, manually call the timeout routine to 1165 * bootstrap things. 1166 */ 1167 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1168 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1169 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1170 softc->changer->flags |= CHANGER_MANUAL_CALL; 1171 cdrunchangerqueue(softc->changer); 1172 } 1173 } else if ((softc->flags & CD_FLAG_ACTIVE) 1174 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) { 1175 xpt_schedule(periph, priority); 1176 } 1177 crit_exit(); 1178 } 1179 1180 static void 1181 cdrunchangerqueue(void *arg) 1182 { 1183 struct cd_softc *softc; 1184 struct cdchanger *changer; 1185 int called_from_timeout; 1186 1187 crit_enter(); 1188 1189 changer = (struct cdchanger *)arg; 1190 1191 /* 1192 * If we have NOT been called from cdstrategy() or cddone(), and 1193 * instead from a timeout routine, go ahead and clear the 1194 * timeout flag. 1195 */ 1196 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1197 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1198 called_from_timeout = 1; 1199 } else 1200 called_from_timeout = 0; 1201 1202 /* Always clear the manual call flag */ 1203 changer->flags &= ~CHANGER_MANUAL_CALL; 1204 1205 /* nothing to do if the queue is empty */ 1206 if (changer->devq.entries <= 0) { 1207 crit_exit(); 1208 return; 1209 } 1210 1211 /* 1212 * If the changer queue is frozen, that means we have an active 1213 * device. 1214 */ 1215 if (changer->devq.qfrozen_cnt > 0) { 1216 1217 if (changer->cur_device->device_stats.busy_count > 0) { 1218 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1219 changer->cur_device->bufs_left = 1220 changer->cur_device->device_stats.busy_count; 1221 if (called_from_timeout) { 1222 callout_reset(&changer->long_handle, 1223 changer_max_busy_seconds * hz, 1224 cdrunchangerqueue, changer); 1225 changer->flags |= CHANGER_TIMEOUT_SCHED; 1226 } 1227 crit_exit(); 1228 return; 1229 } 1230 1231 /* 1232 * We always need to reset the frozen count and clear the 1233 * active flag. 1234 */ 1235 changer->devq.qfrozen_cnt--; 1236 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1237 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1238 1239 /* 1240 * Check to see whether the current device has any I/O left 1241 * to do. If so, requeue it at the end of the queue. If 1242 * not, there is no need to requeue it. 1243 */ 1244 if (bioq_first(&changer->cur_device->bio_queue) != NULL) { 1245 1246 changer->cur_device->pinfo.generation = 1247 ++changer->devq.generation; 1248 camq_insert(&changer->devq, 1249 (cam_pinfo *)changer->cur_device); 1250 } 1251 } 1252 1253 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1254 1255 changer->cur_device = softc; 1256 1257 changer->devq.qfrozen_cnt++; 1258 softc->flags |= CD_FLAG_ACTIVE; 1259 1260 /* Just in case this device is waiting */ 1261 wakeup(&softc->changer); 1262 xpt_schedule(softc->periph, /*priority*/ 1); 1263 1264 /* 1265 * Get rid of any pending timeouts, and set a flag to schedule new 1266 * ones so this device gets its full time quantum. 1267 */ 1268 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1269 callout_stop(&changer->long_handle); 1270 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1271 } 1272 1273 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1274 callout_stop(&changer->short_handle); 1275 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1276 } 1277 1278 /* 1279 * We need to schedule timeouts, but we only do this after the 1280 * first transaction has completed. This eliminates the changer 1281 * switch time. 1282 */ 1283 changer->flags |= CHANGER_NEED_TIMEOUT; 1284 1285 crit_exit(); 1286 } 1287 1288 static void 1289 cdchangerschedule(struct cd_softc *softc) 1290 { 1291 struct cdchanger *changer; 1292 1293 crit_enter(); 1294 1295 changer = softc->changer; 1296 1297 /* 1298 * If this is a changer, and this is the current device, 1299 * and this device has at least the minimum time quantum to 1300 * run, see if we can switch it out. 1301 */ 1302 if ((softc->flags & CD_FLAG_ACTIVE) 1303 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1304 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1305 /* 1306 * We try three things here. The first is that we 1307 * check to see whether the schedule on completion 1308 * flag is set. If it is, we decrement the number 1309 * of buffers left, and if it's zero, we reschedule. 1310 * Next, we check to see whether the pending buffer 1311 * queue is empty and whether there are no 1312 * outstanding transactions. If so, we reschedule. 1313 * Next, we see if the pending buffer queue is empty. 1314 * If it is, we set the number of buffers left to 1315 * the current active buffer count and set the 1316 * schedule on complete flag. 1317 */ 1318 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1319 if (--softc->bufs_left == 0) { 1320 softc->changer->flags |= 1321 CHANGER_MANUAL_CALL; 1322 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1323 cdrunchangerqueue(softc->changer); 1324 } 1325 } else if ((bioq_first(&softc->bio_queue) == NULL) 1326 && (softc->device_stats.busy_count == 0)) { 1327 softc->changer->flags |= CHANGER_MANUAL_CALL; 1328 cdrunchangerqueue(softc->changer); 1329 } 1330 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1331 && (softc->flags & CD_FLAG_ACTIVE)) { 1332 1333 /* 1334 * Now that the first transaction to this 1335 * particular device has completed, we can go ahead 1336 * and schedule our timeouts. 1337 */ 1338 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1339 callout_reset(&changer->long_handle, 1340 changer_max_busy_seconds * hz, 1341 cdrunchangerqueue, changer); 1342 changer->flags |= CHANGER_TIMEOUT_SCHED; 1343 } else 1344 kprintf("cdchangerschedule: already have a long" 1345 " timeout!\n"); 1346 1347 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1348 callout_reset(&changer->short_handle, 1349 changer_min_busy_seconds * hz, 1350 cdshorttimeout, changer); 1351 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1352 } else 1353 kprintf("cdchangerschedule: already have a short " 1354 "timeout!\n"); 1355 1356 /* 1357 * We just scheduled timeouts, no need to schedule 1358 * more. 1359 */ 1360 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1361 1362 } 1363 crit_exit(); 1364 } 1365 1366 static int 1367 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1368 u_int32_t cam_flags, 1369 u_int32_t sense_flags), 1370 u_int32_t cam_flags, u_int32_t sense_flags) 1371 { 1372 struct cd_softc *softc; 1373 struct cam_periph *periph; 1374 int error; 1375 1376 periph = xpt_path_periph(ccb->ccb_h.path); 1377 softc = (struct cd_softc *)periph->softc; 1378 1379 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1380 &softc->device_stats); 1381 1382 if (softc->flags & CD_FLAG_CHANGER) 1383 cdchangerschedule(softc); 1384 1385 return(error); 1386 } 1387 1388 static union ccb * 1389 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1390 { 1391 struct cd_softc *softc; 1392 1393 softc = (struct cd_softc *)periph->softc; 1394 1395 if (softc->flags & CD_FLAG_CHANGER) { 1396 crit_enter(); 1397 1398 /* 1399 * This should work the first time this device is woken up, 1400 * but just in case it doesn't, we use a while loop. 1401 */ 1402 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1403 /* 1404 * If this changer isn't already queued, queue it up. 1405 */ 1406 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1407 softc->pinfo.priority = 1; 1408 softc->pinfo.generation = 1409 ++softc->changer->devq.generation; 1410 camq_insert(&softc->changer->devq, 1411 (cam_pinfo *)softc); 1412 } 1413 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1414 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1415 && ((softc->changer->flags 1416 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1417 softc->changer->flags |= CHANGER_MANUAL_CALL; 1418 cdrunchangerqueue(softc->changer); 1419 } else 1420 tsleep(&softc->changer, 0, "cgticb", 0); 1421 } 1422 crit_exit(); 1423 } 1424 return(cam_periph_getccb(periph, priority)); 1425 } 1426 1427 /* 1428 * Actually translate the requested transfer into one the physical driver 1429 * can understand. The transfer is described by a buf and will include 1430 * only one physical transfer. 1431 */ 1432 static int 1433 cdstrategy(struct dev_strategy_args *ap) 1434 { 1435 cdev_t dev = ap->a_head.a_dev; 1436 struct bio *bio = ap->a_bio; 1437 struct buf *bp = bio->bio_buf; 1438 struct cam_periph *periph; 1439 struct cd_softc *softc; 1440 u_int unit; 1441 1442 unit = dkunit(dev); 1443 periph = cam_extend_get(cdperiphs, unit); 1444 if (periph == NULL) { 1445 bp->b_error = ENXIO; 1446 goto bad; 1447 } 1448 1449 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1450 1451 softc = (struct cd_softc *)periph->softc; 1452 1453 /* 1454 * Mask interrupts so that the pack cannot be invalidated until 1455 * after we are in the queue. Otherwise, we might not properly 1456 * clean up one of the buffers. 1457 */ 1458 crit_enter(); 1459 1460 /* 1461 * If the device has been made invalid, error out 1462 */ 1463 if ((softc->flags & CD_FLAG_INVALID)) { 1464 crit_exit(); 1465 bp->b_error = ENXIO; 1466 goto bad; 1467 } 1468 1469 /* 1470 * If we don't have valid media, look for it before trying to 1471 * schedule the I/O. 1472 */ 1473 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1474 int error; 1475 1476 error = cdcheckmedia(periph); 1477 if (error != 0) { 1478 crit_exit(); 1479 bp->b_error = error; 1480 goto bad; 1481 } 1482 } 1483 1484 /* 1485 * Place it in the queue of disk activities for this disk 1486 */ 1487 bioqdisksort(&softc->bio_queue, bio); 1488 1489 crit_exit(); 1490 1491 /* 1492 * Schedule ourselves for performing the work. We do things 1493 * differently for changers. 1494 */ 1495 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1496 xpt_schedule(periph, /* XXX priority */1); 1497 else 1498 cdschedule(periph, /* priority */ 1); 1499 1500 return(0); 1501 bad: 1502 bp->b_flags |= B_ERROR; 1503 /* 1504 * Correctly set the buf to indicate a completed xfer 1505 */ 1506 bp->b_resid = bp->b_bcount; 1507 biodone(bio); 1508 return(0); 1509 } 1510 1511 static void 1512 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1513 { 1514 struct cd_softc *softc; 1515 struct bio *bio; 1516 struct buf *bp; 1517 struct ccb_scsiio *csio; 1518 struct scsi_read_capacity_data *rcap; 1519 1520 softc = (struct cd_softc *)periph->softc; 1521 1522 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1523 1524 switch (softc->state) { 1525 case CD_STATE_NORMAL: 1526 { 1527 crit_enter(); 1528 bio = bioq_first(&softc->bio_queue); 1529 if (periph->immediate_priority <= periph->pinfo.priority) { 1530 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1531 1532 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1533 periph_links.sle); 1534 periph->immediate_priority = CAM_PRIORITY_NONE; 1535 crit_exit(); 1536 wakeup(&periph->ccb_list); 1537 } else if (bio == NULL) { 1538 crit_exit(); 1539 xpt_release_ccb(start_ccb); 1540 } else { 1541 bp = bio->bio_buf; 1542 bioq_remove(&softc->bio_queue, bio); 1543 1544 devstat_start_transaction(&softc->device_stats); 1545 1546 KKASSERT(bio->bio_offset % softc->params.blksize == 0); 1547 1548 scsi_read_write(&start_ccb->csio, 1549 /*retries*/4, 1550 /* cbfcnp */ cddone, 1551 (bp->b_flags & B_ORDERED) != 0 ? 1552 MSG_ORDERED_Q_TAG : 1553 MSG_SIMPLE_Q_TAG, 1554 /* read */(bp->b_cmd == BUF_CMD_READ), 1555 /* byte2 */ 0, 1556 /* minimum_cmd_size */ 10, 1557 /* lba */ 1558 bio->bio_offset / softc->params.blksize, 1559 bp->b_bcount / softc->params.blksize, 1560 /* data_ptr */ bp->b_data, 1561 /* dxfer_len */ bp->b_bcount, 1562 /* sense_len */ SSD_FULL_SIZE, 1563 /* timeout */ 30000); 1564 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1565 1566 1567 /* 1568 * Block out any asyncronous callbacks 1569 * while we touch the pending ccb list. 1570 */ 1571 LIST_INSERT_HEAD(&softc->pending_ccbs, 1572 &start_ccb->ccb_h, periph_links.le); 1573 1574 /* We expect a unit attention from this device */ 1575 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1576 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1577 softc->flags &= ~CD_FLAG_RETRY_UA; 1578 } 1579 1580 start_ccb->ccb_h.ccb_bio = bio; 1581 bio = bioq_first(&softc->bio_queue); 1582 crit_exit(); 1583 1584 xpt_action(start_ccb); 1585 } 1586 if (bio != NULL) { 1587 /* Have more work to do, so ensure we stay scheduled */ 1588 xpt_schedule(periph, /* XXX priority */1); 1589 } 1590 break; 1591 } 1592 case CD_STATE_PROBE: 1593 { 1594 1595 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1596 csio = &start_ccb->csio; 1597 scsi_read_capacity(csio, 1598 /*retries*/1, 1599 cddone, 1600 MSG_SIMPLE_Q_TAG, 1601 rcap, 1602 SSD_FULL_SIZE, 1603 /*timeout*/20000); 1604 start_ccb->ccb_h.ccb_bio = NULL; 1605 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1606 xpt_action(start_ccb); 1607 break; 1608 } 1609 } 1610 } 1611 1612 static void 1613 cddone(struct cam_periph *periph, union ccb *done_ccb) 1614 { 1615 struct cd_softc *softc; 1616 struct ccb_scsiio *csio; 1617 1618 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1619 1620 softc = (struct cd_softc *)periph->softc; 1621 csio = &done_ccb->csio; 1622 1623 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1624 case CD_CCB_BUFFER_IO: 1625 { 1626 struct buf *bp; 1627 struct bio *bio; 1628 int error; 1629 1630 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1631 bp = bio->bio_buf; 1632 error = 0; 1633 1634 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1635 int sf; 1636 1637 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1638 sf = SF_RETRY_UA; 1639 else 1640 sf = 0; 1641 1642 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1643 if (error == ERESTART) { 1644 /* 1645 * A retry was scheuled, so 1646 * just return. 1647 */ 1648 return; 1649 } 1650 } 1651 1652 if (error != 0) { 1653 struct bio *q_bio; 1654 struct buf *q_bp; 1655 1656 xpt_print_path(periph->path); 1657 kprintf("cddone: got error %#x back\n", error); 1658 crit_enter(); 1659 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL) { 1660 bioq_remove(&softc->bio_queue, q_bio); 1661 q_bp = q_bio->bio_buf; 1662 q_bp->b_resid = q_bp->b_bcount; 1663 q_bp->b_error = EIO; 1664 q_bp->b_flags |= B_ERROR; 1665 biodone(q_bio); 1666 } 1667 crit_exit(); 1668 bp->b_resid = bp->b_bcount; 1669 bp->b_error = error; 1670 bp->b_flags |= B_ERROR; 1671 cam_release_devq(done_ccb->ccb_h.path, 1672 /*relsim_flags*/0, 1673 /*reduction*/0, 1674 /*timeout*/0, 1675 /*getcount_only*/0); 1676 1677 } else { 1678 bp->b_resid = csio->resid; 1679 bp->b_error = 0; 1680 if (bp->b_resid != 0) { 1681 /* Short transfer ??? */ 1682 bp->b_flags |= B_ERROR; 1683 } 1684 } 1685 1686 /* 1687 * Block out any asyncronous callbacks 1688 * while we touch the pending ccb list. 1689 */ 1690 crit_enter(); 1691 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1692 crit_exit(); 1693 1694 if (softc->flags & CD_FLAG_CHANGER) 1695 cdchangerschedule(softc); 1696 1697 devstat_end_transaction_buf(&softc->device_stats, bp); 1698 biodone(bio); 1699 break; 1700 } 1701 case CD_CCB_PROBE: 1702 { 1703 struct scsi_read_capacity_data *rdcap; 1704 char announce_buf[120]; /* 1705 * Currently (9/30/97) the 1706 * longest possible announce 1707 * buffer is 108 bytes, for the 1708 * first error case below. 1709 * That is 39 bytes for the 1710 * basic string, 16 bytes for the 1711 * biggest sense key (hardware 1712 * error), 52 bytes for the 1713 * text of the largest sense 1714 * qualifier valid for a CDROM, 1715 * (0x72, 0x03 or 0x04, 1716 * 0x03), and one byte for the 1717 * null terminating character. 1718 * To allow for longer strings, 1719 * the announce buffer is 120 1720 * bytes. 1721 */ 1722 struct cd_params *cdp; 1723 1724 cdp = &softc->params; 1725 1726 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1727 1728 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1729 cdp->blksize = scsi_4btoul (rdcap->length); 1730 1731 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1732 1733 ksnprintf(announce_buf, sizeof(announce_buf), 1734 "cd present [%lu x %lu byte records]", 1735 cdp->disksize, (u_long)cdp->blksize); 1736 1737 } else { 1738 int error; 1739 /* 1740 * Retry any UNIT ATTENTION type errors. They 1741 * are expected at boot. 1742 */ 1743 error = cderror(done_ccb, CAM_RETRY_SELTO, 1744 SF_RETRY_UA | SF_NO_PRINT); 1745 if (error == ERESTART) { 1746 /* 1747 * A retry was scheuled, so 1748 * just return. 1749 */ 1750 return; 1751 } else if (error != 0) { 1752 1753 struct scsi_sense_data *sense; 1754 int asc, ascq; 1755 int sense_key, error_code; 1756 int have_sense; 1757 cam_status status; 1758 struct ccb_getdev cgd; 1759 1760 /* Don't wedge this device's queue */ 1761 cam_release_devq(done_ccb->ccb_h.path, 1762 /*relsim_flags*/0, 1763 /*reduction*/0, 1764 /*timeout*/0, 1765 /*getcount_only*/0); 1766 1767 status = done_ccb->ccb_h.status; 1768 1769 xpt_setup_ccb(&cgd.ccb_h, 1770 done_ccb->ccb_h.path, 1771 /* priority */ 1); 1772 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1773 xpt_action((union ccb *)&cgd); 1774 1775 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1776 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1777 || ((status & CAM_AUTOSNS_VALID) == 0)) 1778 have_sense = FALSE; 1779 else 1780 have_sense = TRUE; 1781 1782 if (have_sense) { 1783 sense = &csio->sense_data; 1784 scsi_extract_sense(sense, &error_code, 1785 &sense_key, 1786 &asc, &ascq); 1787 } 1788 /* 1789 * Attach to anything that claims to be a 1790 * CDROM or WORM device, as long as it 1791 * doesn't return a "Logical unit not 1792 * supported" (0x25) error. 1793 */ 1794 if ((have_sense) && (asc != 0x25) 1795 && (error_code == SSD_CURRENT_ERROR)) { 1796 const char *sense_key_desc; 1797 const char *asc_desc; 1798 1799 scsi_sense_desc(sense_key, asc, ascq, 1800 &cgd.inq_data, 1801 &sense_key_desc, 1802 &asc_desc); 1803 ksnprintf(announce_buf, 1804 sizeof(announce_buf), 1805 "Attempt to query device " 1806 "size failed: %s, %s", 1807 sense_key_desc, 1808 asc_desc); 1809 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1810 /* 1811 * We only print out an error for 1812 * CDROM type devices. For WORM 1813 * devices, we don't print out an 1814 * error since a few WORM devices 1815 * don't support CDROM commands. 1816 * If we have sense information, go 1817 * ahead and print it out. 1818 * Otherwise, just say that we 1819 * couldn't attach. 1820 */ 1821 1822 /* 1823 * Just print out the error, not 1824 * the full probe message, when we 1825 * don't attach. 1826 */ 1827 if (have_sense) 1828 scsi_sense_print( 1829 &done_ccb->csio); 1830 else { 1831 xpt_print_path(periph->path); 1832 kprintf("got CAM status %#x\n", 1833 done_ccb->ccb_h.status); 1834 } 1835 xpt_print_path(periph->path); 1836 kprintf("fatal error, failed" 1837 " to attach to device\n"); 1838 1839 /* 1840 * Invalidate this peripheral. 1841 */ 1842 cam_periph_invalidate(periph); 1843 1844 announce_buf[0] = '\0'; 1845 } else { 1846 1847 /* 1848 * Invalidate this peripheral. 1849 */ 1850 cam_periph_invalidate(periph); 1851 announce_buf[0] = '\0'; 1852 } 1853 } 1854 } 1855 kfree(rdcap, M_TEMP); 1856 if (announce_buf[0] != '\0') { 1857 xpt_announce_periph(periph, announce_buf); 1858 if (softc->flags & CD_FLAG_CHANGER) 1859 cdchangerschedule(softc); 1860 /* 1861 * Create our sysctl variables, now that we know 1862 * we have successfully attached. 1863 */ 1864 taskqueue_enqueue(taskqueue_thread[mycpuid], 1865 &softc->sysctl_task); 1866 } 1867 softc->state = CD_STATE_NORMAL; 1868 /* 1869 * Since our peripheral may be invalidated by an error 1870 * above or an external event, we must release our CCB 1871 * before releasing the probe lock on the peripheral. 1872 * The peripheral will only go away once the last lock 1873 * is removed, and we need it around for the CCB release 1874 * operation. 1875 */ 1876 xpt_release_ccb(done_ccb); 1877 cam_periph_unlock(periph); 1878 return; 1879 } 1880 case CD_CCB_WAITING: 1881 { 1882 /* Caller will release the CCB */ 1883 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1884 ("trying to wakeup ccbwait\n")); 1885 1886 wakeup(&done_ccb->ccb_h.cbfcnp); 1887 return; 1888 } 1889 default: 1890 break; 1891 } 1892 xpt_release_ccb(done_ccb); 1893 } 1894 1895 static union cd_pages * 1896 cdgetpage(struct cd_mode_params *mode_params) 1897 { 1898 union cd_pages *page; 1899 1900 if (mode_params->cdb_size == 10) 1901 page = (union cd_pages *)find_mode_page_10( 1902 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1903 else 1904 page = (union cd_pages *)find_mode_page_6( 1905 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1906 1907 return (page); 1908 } 1909 1910 static int 1911 cdgetpagesize(int page_num) 1912 { 1913 int i; 1914 1915 for (i = 0; i < (sizeof(cd_page_size_table)/ 1916 sizeof(cd_page_size_table[0])); i++) { 1917 if (cd_page_size_table[i].page == page_num) 1918 return (cd_page_size_table[i].page_size); 1919 } 1920 return (-1); 1921 } 1922 1923 static int 1924 cdioctl(struct dev_ioctl_args *ap) 1925 { 1926 cdev_t dev = ap->a_head.a_dev; 1927 caddr_t addr = ap->a_data; 1928 struct cam_periph *periph; 1929 struct cd_softc *softc; 1930 int error, unit; 1931 1932 unit = dkunit(dev); 1933 1934 periph = cam_extend_get(cdperiphs, unit); 1935 if (periph == NULL) 1936 return(ENXIO); 1937 1938 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1939 1940 softc = (struct cd_softc *)periph->softc; 1941 1942 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1943 ("trying to do ioctl %#lx\n", ap->a_cmd)); 1944 1945 error = cam_periph_lock(periph, PCATCH); 1946 1947 if (error != 0) 1948 return(error); 1949 1950 /* 1951 * If we don't have media loaded, check for it. If still don't 1952 * have media loaded, we can only do a load or eject. 1953 */ 1954 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1955 && ((ap->a_cmd != CDIOCCLOSE) 1956 && (ap->a_cmd != CDIOCEJECT))) { 1957 error = cdcheckmedia(periph); 1958 if (error != 0) { 1959 cam_periph_unlock(periph); 1960 return (error); 1961 } 1962 } 1963 1964 switch (ap->a_cmd) { 1965 1966 case CDIOCPLAYTRACKS: 1967 { 1968 struct ioc_play_track *args 1969 = (struct ioc_play_track *)addr; 1970 struct cd_mode_params params; 1971 union cd_pages *page; 1972 1973 params.alloc_len = sizeof(union cd_mode_data_6_10); 1974 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 1975 M_WAITOK | M_ZERO); 1976 1977 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1978 ("trying to do CDIOCPLAYTRACKS\n")); 1979 1980 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1981 if (error) { 1982 kfree(params.mode_buf, M_TEMP); 1983 break; 1984 } 1985 page = cdgetpage(¶ms); 1986 1987 page->audio.flags &= ~CD_PA_SOTC; 1988 page->audio.flags |= CD_PA_IMMED; 1989 error = cdsetmode(periph, ¶ms); 1990 kfree(params.mode_buf, M_TEMP); 1991 if (error) 1992 break; 1993 1994 /* 1995 * This was originally implemented with the PLAY 1996 * AUDIO TRACK INDEX command, but that command was 1997 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1998 * drives support it but ATAPI and ATAPI-derivative 1999 * drives don't seem to support it. So we keep a 2000 * cache of the table of contents and translate 2001 * track numbers to MSF format. 2002 */ 2003 if (softc->flags & CD_FLAG_VALID_TOC) { 2004 union msf_lba *sentry, *eentry; 2005 int st, et; 2006 2007 if (args->end_track < 2008 softc->toc.header.ending_track + 1) 2009 args->end_track++; 2010 if (args->end_track > 2011 softc->toc.header.ending_track + 1) 2012 args->end_track = 2013 softc->toc.header.ending_track + 1; 2014 st = args->start_track - 2015 softc->toc.header.starting_track; 2016 et = args->end_track - 2017 softc->toc.header.starting_track; 2018 if ((st < 0) 2019 || (et < 0) 2020 || (st > (softc->toc.header.ending_track - 2021 softc->toc.header.starting_track))) { 2022 error = EINVAL; 2023 break; 2024 } 2025 sentry = &softc->toc.entries[st].addr; 2026 eentry = &softc->toc.entries[et].addr; 2027 error = cdplaymsf(periph, 2028 sentry->msf.minute, 2029 sentry->msf.second, 2030 sentry->msf.frame, 2031 eentry->msf.minute, 2032 eentry->msf.second, 2033 eentry->msf.frame); 2034 } else { 2035 /* 2036 * If we don't have a valid TOC, try the 2037 * play track index command. It is part of 2038 * the SCSI-2 spec, but was removed in the 2039 * MMC specs. ATAPI and ATAPI-derived 2040 * drives don't support it. 2041 */ 2042 if (softc->quirks & CD_Q_BCD_TRACKS) { 2043 args->start_track = 2044 bin2bcd(args->start_track); 2045 args->end_track = 2046 bin2bcd(args->end_track); 2047 } 2048 error = cdplaytracks(periph, 2049 args->start_track, 2050 args->start_index, 2051 args->end_track, 2052 args->end_index); 2053 } 2054 } 2055 break; 2056 case CDIOCPLAYMSF: 2057 { 2058 struct ioc_play_msf *args 2059 = (struct ioc_play_msf *) addr; 2060 struct cd_mode_params params; 2061 union cd_pages *page; 2062 2063 params.alloc_len = sizeof(union cd_mode_data_6_10); 2064 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2065 M_WAITOK | M_ZERO); 2066 2067 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2068 ("trying to do CDIOCPLAYMSF\n")); 2069 2070 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2071 if (error) { 2072 kfree(params.mode_buf, M_TEMP); 2073 break; 2074 } 2075 page = cdgetpage(¶ms); 2076 2077 page->audio.flags &= ~CD_PA_SOTC; 2078 page->audio.flags |= CD_PA_IMMED; 2079 error = cdsetmode(periph, ¶ms); 2080 kfree(params.mode_buf, M_TEMP); 2081 if (error) 2082 break; 2083 error = cdplaymsf(periph, 2084 args->start_m, 2085 args->start_s, 2086 args->start_f, 2087 args->end_m, 2088 args->end_s, 2089 args->end_f); 2090 } 2091 break; 2092 case CDIOCPLAYBLOCKS: 2093 { 2094 struct ioc_play_blocks *args 2095 = (struct ioc_play_blocks *) addr; 2096 struct cd_mode_params params; 2097 union cd_pages *page; 2098 2099 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2100 ("trying to do CDIOCPLAYBLOCKS\n")); 2101 2102 params.alloc_len = sizeof(union cd_mode_data_6_10); 2103 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2104 M_WAITOK | M_ZERO); 2105 2106 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2107 if (error) { 2108 kfree(params.mode_buf, M_TEMP); 2109 break; 2110 } 2111 page = cdgetpage(¶ms); 2112 2113 page->audio.flags &= ~CD_PA_SOTC; 2114 page->audio.flags |= CD_PA_IMMED; 2115 error = cdsetmode(periph, ¶ms); 2116 kfree(params.mode_buf, M_TEMP); 2117 if (error) 2118 break; 2119 error = cdplay(periph, args->blk, args->len); 2120 } 2121 break; 2122 case CDIOCREADSUBCHANNEL: 2123 { 2124 struct ioc_read_subchannel *args 2125 = (struct ioc_read_subchannel *) addr; 2126 struct cd_sub_channel_info *data; 2127 u_int32_t len = args->data_len; 2128 2129 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2130 ("trying to do CDIOCREADSUBCHANNEL\n")); 2131 2132 data = kmalloc(sizeof(struct cd_sub_channel_info), 2133 M_TEMP, M_WAITOK); 2134 2135 if ((len > sizeof(struct cd_sub_channel_info)) || 2136 (len < sizeof(struct cd_sub_channel_header))) { 2137 kprintf( 2138 "scsi_cd: cdioctl: " 2139 "cdioreadsubchannel: error, len=%d\n", 2140 len); 2141 error = EINVAL; 2142 kfree(data, M_TEMP); 2143 break; 2144 } 2145 2146 if (softc->quirks & CD_Q_BCD_TRACKS) 2147 args->track = bin2bcd(args->track); 2148 2149 error = cdreadsubchannel(periph, args->address_format, 2150 args->data_format, args->track, data, len); 2151 2152 if (error) { 2153 kfree(data, M_TEMP); 2154 break; 2155 } 2156 if (softc->quirks & CD_Q_BCD_TRACKS) 2157 data->what.track_info.track_number = 2158 bcd2bin(data->what.track_info.track_number); 2159 len = min(len, ((data->header.data_len[0] << 8) + 2160 data->header.data_len[1] + 2161 sizeof(struct cd_sub_channel_header))); 2162 if (copyout(data, args->data, len) != 0) { 2163 error = EFAULT; 2164 } 2165 kfree(data, M_TEMP); 2166 } 2167 break; 2168 2169 case CDIOREADTOCHEADER: 2170 { 2171 struct ioc_toc_header *th; 2172 2173 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2174 ("trying to do CDIOREADTOCHEADER\n")); 2175 2176 th = kmalloc(sizeof(struct ioc_toc_header), M_TEMP, 2177 M_WAITOK); 2178 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2179 sizeof (*th), /*sense_flags*/0); 2180 if (error) { 2181 kfree(th, M_TEMP); 2182 break; 2183 } 2184 if (softc->quirks & CD_Q_BCD_TRACKS) { 2185 /* we are going to have to convert the BCD 2186 * encoding on the cd to what is expected 2187 */ 2188 th->starting_track = 2189 bcd2bin(th->starting_track); 2190 th->ending_track = bcd2bin(th->ending_track); 2191 } 2192 th->len = ntohs(th->len); 2193 bcopy(th, addr, sizeof(*th)); 2194 kfree(th, M_TEMP); 2195 } 2196 break; 2197 case CDIOREADTOCENTRYS: 2198 { 2199 struct cd_tocdata *data; 2200 struct cd_toc_single *lead; 2201 struct ioc_read_toc_entry *te = 2202 (struct ioc_read_toc_entry *) addr; 2203 struct ioc_toc_header *th; 2204 u_int32_t len, readlen, idx, num; 2205 u_int32_t starting_track = te->starting_track; 2206 2207 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2208 ("trying to do CDIOREADTOCENTRYS\n")); 2209 2210 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2211 lead = kmalloc(sizeof(*lead), M_TEMP, M_WAITOK); 2212 2213 if (te->data_len < sizeof(struct cd_toc_entry) 2214 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2215 || (te->address_format != CD_MSF_FORMAT 2216 && te->address_format != CD_LBA_FORMAT)) { 2217 error = EINVAL; 2218 kprintf("scsi_cd: error in readtocentries, " 2219 "returning EINVAL\n"); 2220 kfree(data, M_TEMP); 2221 kfree(lead, M_TEMP); 2222 break; 2223 } 2224 2225 th = &data->header; 2226 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2227 sizeof (*th), /*sense_flags*/0); 2228 if (error) { 2229 kfree(data, M_TEMP); 2230 kfree(lead, M_TEMP); 2231 break; 2232 } 2233 2234 if (softc->quirks & CD_Q_BCD_TRACKS) { 2235 /* we are going to have to convert the BCD 2236 * encoding on the cd to what is expected 2237 */ 2238 th->starting_track = 2239 bcd2bin(th->starting_track); 2240 th->ending_track = bcd2bin(th->ending_track); 2241 } 2242 2243 if (starting_track == 0) 2244 starting_track = th->starting_track; 2245 else if (starting_track == LEADOUT) 2246 starting_track = th->ending_track + 1; 2247 else if (starting_track < th->starting_track || 2248 starting_track > th->ending_track + 1) { 2249 kprintf("scsi_cd: error in readtocentries, " 2250 "returning EINVAL\n"); 2251 kfree(data, M_TEMP); 2252 kfree(lead, M_TEMP); 2253 error = EINVAL; 2254 break; 2255 } 2256 2257 /* calculate reading length without leadout entry */ 2258 readlen = (th->ending_track - starting_track + 1) * 2259 sizeof(struct cd_toc_entry); 2260 2261 /* and with leadout entry */ 2262 len = readlen + sizeof(struct cd_toc_entry); 2263 if (te->data_len < len) { 2264 len = te->data_len; 2265 if (readlen > len) 2266 readlen = len; 2267 } 2268 if (len > sizeof(data->entries)) { 2269 kprintf("scsi_cd: error in readtocentries, " 2270 "returning EINVAL\n"); 2271 error = EINVAL; 2272 kfree(data, M_TEMP); 2273 kfree(lead, M_TEMP); 2274 break; 2275 } 2276 num = len / sizeof(struct cd_toc_entry); 2277 2278 if (readlen > 0) { 2279 error = cdreadtoc(periph, te->address_format, 2280 starting_track, 2281 (u_int8_t *)data, 2282 readlen + sizeof (*th), 2283 /*sense_flags*/0); 2284 if (error) { 2285 kfree(data, M_TEMP); 2286 kfree(lead, M_TEMP); 2287 break; 2288 } 2289 } 2290 2291 /* make leadout entry if needed */ 2292 idx = starting_track + num - 1; 2293 if (softc->quirks & CD_Q_BCD_TRACKS) 2294 th->ending_track = bcd2bin(th->ending_track); 2295 if (idx == th->ending_track + 1) { 2296 error = cdreadtoc(periph, te->address_format, 2297 LEADOUT, (u_int8_t *)lead, 2298 sizeof(*lead), 2299 /*sense_flags*/0); 2300 if (error) { 2301 kfree(data, M_TEMP); 2302 kfree(lead, M_TEMP); 2303 break; 2304 } 2305 data->entries[idx - starting_track] = 2306 lead->entry; 2307 } 2308 if (softc->quirks & CD_Q_BCD_TRACKS) { 2309 for (idx = 0; idx < num - 1; idx++) { 2310 data->entries[idx].track = 2311 bcd2bin(data->entries[idx].track); 2312 } 2313 } 2314 2315 error = copyout(data->entries, te->data, len); 2316 kfree(data, M_TEMP); 2317 kfree(lead, M_TEMP); 2318 } 2319 break; 2320 case CDIOREADTOCENTRY: 2321 { 2322 struct cd_toc_single *data; 2323 struct ioc_read_toc_single_entry *te = 2324 (struct ioc_read_toc_single_entry *) addr; 2325 struct ioc_toc_header *th; 2326 u_int32_t track; 2327 2328 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2329 ("trying to do CDIOREADTOCENTRY\n")); 2330 2331 data = kmalloc(sizeof(*data), M_TEMP, M_WAITOK); 2332 2333 if (te->address_format != CD_MSF_FORMAT 2334 && te->address_format != CD_LBA_FORMAT) { 2335 kprintf("error in readtocentry, " 2336 " returning EINVAL\n"); 2337 kfree(data, M_TEMP); 2338 error = EINVAL; 2339 break; 2340 } 2341 2342 th = &data->header; 2343 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2344 sizeof (*th), /*sense_flags*/0); 2345 if (error) { 2346 kfree(data, M_TEMP); 2347 break; 2348 } 2349 2350 if (softc->quirks & CD_Q_BCD_TRACKS) { 2351 /* we are going to have to convert the BCD 2352 * encoding on the cd to what is expected 2353 */ 2354 th->starting_track = 2355 bcd2bin(th->starting_track); 2356 th->ending_track = bcd2bin(th->ending_track); 2357 } 2358 track = te->track; 2359 if (track == 0) 2360 track = th->starting_track; 2361 else if (track == LEADOUT) 2362 /* OK */; 2363 else if (track < th->starting_track || 2364 track > th->ending_track + 1) { 2365 kprintf("error in readtocentry, " 2366 " returning EINVAL\n"); 2367 kfree(data, M_TEMP); 2368 error = EINVAL; 2369 break; 2370 } 2371 2372 error = cdreadtoc(periph, te->address_format, track, 2373 (u_int8_t *)data, sizeof(*data), 2374 /*sense_flags*/0); 2375 if (error) { 2376 kfree(data, M_TEMP); 2377 break; 2378 } 2379 2380 if (softc->quirks & CD_Q_BCD_TRACKS) 2381 data->entry.track = bcd2bin(data->entry.track); 2382 bcopy(&data->entry, &te->entry, 2383 sizeof(struct cd_toc_entry)); 2384 kfree(data, M_TEMP); 2385 } 2386 break; 2387 case CDIOCSETPATCH: 2388 { 2389 struct ioc_patch *arg = (struct ioc_patch *)addr; 2390 struct cd_mode_params params; 2391 union cd_pages *page; 2392 2393 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2394 ("trying to do CDIOCSETPATCH\n")); 2395 2396 params.alloc_len = sizeof(union cd_mode_data_6_10); 2397 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2398 M_WAITOK | M_ZERO); 2399 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2400 if (error) { 2401 kfree(params.mode_buf, M_TEMP); 2402 break; 2403 } 2404 page = cdgetpage(¶ms); 2405 2406 page->audio.port[LEFT_PORT].channels = 2407 arg->patch[0]; 2408 page->audio.port[RIGHT_PORT].channels = 2409 arg->patch[1]; 2410 page->audio.port[2].channels = arg->patch[2]; 2411 page->audio.port[3].channels = arg->patch[3]; 2412 error = cdsetmode(periph, ¶ms); 2413 kfree(params.mode_buf, M_TEMP); 2414 } 2415 break; 2416 case CDIOCGETVOL: 2417 { 2418 struct ioc_vol *arg = (struct ioc_vol *) addr; 2419 struct cd_mode_params params; 2420 union cd_pages *page; 2421 2422 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2423 ("trying to do CDIOCGETVOL\n")); 2424 2425 params.alloc_len = sizeof(union cd_mode_data_6_10); 2426 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2427 M_WAITOK | M_ZERO); 2428 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2429 if (error) { 2430 kfree(params.mode_buf, M_TEMP); 2431 break; 2432 } 2433 page = cdgetpage(¶ms); 2434 2435 arg->vol[LEFT_PORT] = 2436 page->audio.port[LEFT_PORT].volume; 2437 arg->vol[RIGHT_PORT] = 2438 page->audio.port[RIGHT_PORT].volume; 2439 arg->vol[2] = page->audio.port[2].volume; 2440 arg->vol[3] = page->audio.port[3].volume; 2441 kfree(params.mode_buf, M_TEMP); 2442 } 2443 break; 2444 case CDIOCSETVOL: 2445 { 2446 struct ioc_vol *arg = (struct ioc_vol *) addr; 2447 struct cd_mode_params params; 2448 union cd_pages *page; 2449 2450 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2451 ("trying to do CDIOCSETVOL\n")); 2452 2453 params.alloc_len = sizeof(union cd_mode_data_6_10); 2454 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2455 M_WAITOK | M_ZERO); 2456 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2457 if (error) { 2458 kfree(params.mode_buf, M_TEMP); 2459 break; 2460 } 2461 page = cdgetpage(¶ms); 2462 2463 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2464 page->audio.port[LEFT_PORT].volume = 2465 arg->vol[LEFT_PORT]; 2466 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2467 page->audio.port[RIGHT_PORT].volume = 2468 arg->vol[RIGHT_PORT]; 2469 page->audio.port[2].volume = arg->vol[2]; 2470 page->audio.port[3].volume = arg->vol[3]; 2471 error = cdsetmode(periph, ¶ms); 2472 kfree(params.mode_buf, M_TEMP); 2473 } 2474 break; 2475 case CDIOCSETMONO: 2476 { 2477 struct cd_mode_params params; 2478 union cd_pages *page; 2479 2480 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2481 ("trying to do CDIOCSETMONO\n")); 2482 2483 params.alloc_len = sizeof(union cd_mode_data_6_10); 2484 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2485 M_WAITOK | M_ZERO); 2486 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2487 if (error) { 2488 kfree(params.mode_buf, M_TEMP); 2489 break; 2490 } 2491 page = cdgetpage(¶ms); 2492 2493 page->audio.port[LEFT_PORT].channels = 2494 LEFT_CHANNEL | RIGHT_CHANNEL; 2495 page->audio.port[RIGHT_PORT].channels = 2496 LEFT_CHANNEL | RIGHT_CHANNEL; 2497 page->audio.port[2].channels = 0; 2498 page->audio.port[3].channels = 0; 2499 error = cdsetmode(periph, ¶ms); 2500 kfree(params.mode_buf, M_TEMP); 2501 } 2502 break; 2503 case CDIOCSETSTEREO: 2504 { 2505 struct cd_mode_params params; 2506 union cd_pages *page; 2507 2508 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2509 ("trying to do CDIOCSETSTEREO\n")); 2510 2511 params.alloc_len = sizeof(union cd_mode_data_6_10); 2512 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2513 M_WAITOK | M_ZERO); 2514 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2515 if (error) { 2516 kfree(params.mode_buf, M_TEMP); 2517 break; 2518 } 2519 page = cdgetpage(¶ms); 2520 2521 page->audio.port[LEFT_PORT].channels = 2522 LEFT_CHANNEL; 2523 page->audio.port[RIGHT_PORT].channels = 2524 RIGHT_CHANNEL; 2525 page->audio.port[2].channels = 0; 2526 page->audio.port[3].channels = 0; 2527 error = cdsetmode(periph, ¶ms); 2528 kfree(params.mode_buf, M_TEMP); 2529 } 2530 break; 2531 case CDIOCSETMUTE: 2532 { 2533 struct cd_mode_params params; 2534 union cd_pages *page; 2535 2536 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2537 ("trying to do CDIOCSETMUTE\n")); 2538 2539 params.alloc_len = sizeof(union cd_mode_data_6_10); 2540 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2541 M_WAITOK | M_ZERO); 2542 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2543 if (error) { 2544 kfree(¶ms, M_TEMP); 2545 break; 2546 } 2547 page = cdgetpage(¶ms); 2548 2549 page->audio.port[LEFT_PORT].channels = 0; 2550 page->audio.port[RIGHT_PORT].channels = 0; 2551 page->audio.port[2].channels = 0; 2552 page->audio.port[3].channels = 0; 2553 error = cdsetmode(periph, ¶ms); 2554 kfree(params.mode_buf, M_TEMP); 2555 } 2556 break; 2557 case CDIOCSETLEFT: 2558 { 2559 struct cd_mode_params params; 2560 union cd_pages *page; 2561 2562 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2563 ("trying to do CDIOCSETLEFT\n")); 2564 2565 params.alloc_len = sizeof(union cd_mode_data_6_10); 2566 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2567 M_WAITOK | M_ZERO); 2568 2569 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2570 if (error) { 2571 kfree(params.mode_buf, M_TEMP); 2572 break; 2573 } 2574 page = cdgetpage(¶ms); 2575 2576 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2577 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2578 page->audio.port[2].channels = 0; 2579 page->audio.port[3].channels = 0; 2580 error = cdsetmode(periph, ¶ms); 2581 kfree(params.mode_buf, M_TEMP); 2582 } 2583 break; 2584 case CDIOCSETRIGHT: 2585 { 2586 struct cd_mode_params params; 2587 union cd_pages *page; 2588 2589 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2590 ("trying to do CDIOCSETRIGHT\n")); 2591 2592 params.alloc_len = sizeof(union cd_mode_data_6_10); 2593 params.mode_buf = kmalloc(params.alloc_len, M_TEMP, 2594 M_WAITOK | M_ZERO); 2595 2596 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2597 if (error) { 2598 kfree(params.mode_buf, M_TEMP); 2599 break; 2600 } 2601 page = cdgetpage(¶ms); 2602 2603 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2604 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2605 page->audio.port[2].channels = 0; 2606 page->audio.port[3].channels = 0; 2607 error = cdsetmode(periph, ¶ms); 2608 kfree(params.mode_buf, M_TEMP); 2609 } 2610 break; 2611 case CDIOCRESUME: 2612 error = cdpause(periph, 1); 2613 break; 2614 case CDIOCPAUSE: 2615 error = cdpause(periph, 0); 2616 break; 2617 case CDIOCSTART: 2618 error = cdstartunit(periph, 0); 2619 break; 2620 case CDIOCCLOSE: 2621 error = cdstartunit(periph, 1); 2622 2623 #ifdef notyet 2624 if (error != 0) 2625 break; 2626 2627 /* 2628 * The user successfully closed the tray, run 2629 * cdcheckmedia() again so we can re-sync the disklabel 2630 * information. 2631 */ 2632 cdcheckmedia(periph); 2633 #endif /* notyet */ 2634 break; 2635 case CDIOCSTOP: 2636 error = cdstopunit(periph, 0); 2637 break; 2638 case CDIOCEJECT: 2639 error = cdstopunit(periph, 1); 2640 2641 #ifdef notyet 2642 if (error != 0) 2643 break; 2644 2645 /* 2646 * Since we've successfully ejected the media, run 2647 * cdcheckmedia() again so we re-sync the disklabel 2648 * information. 2649 */ 2650 cdcheckmedia(periph); 2651 #endif /* notyet */ 2652 break; 2653 case CDIOCALLOW: 2654 cdprevent(periph, PR_ALLOW); 2655 break; 2656 case CDIOCPREVENT: 2657 cdprevent(periph, PR_PREVENT); 2658 break; 2659 case CDIOCSETDEBUG: 2660 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2661 error = ENOTTY; 2662 break; 2663 case CDIOCCLRDEBUG: 2664 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2665 error = ENOTTY; 2666 break; 2667 case CDIOCRESET: 2668 /* return (cd_reset(periph)); */ 2669 error = ENOTTY; 2670 break; 2671 case CDRIOCREADSPEED: 2672 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2673 break; 2674 case CDRIOCWRITESPEED: 2675 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2676 break; 2677 case DVDIOCSENDKEY: 2678 case DVDIOCREPORTKEY: { 2679 struct dvd_authinfo *authinfo; 2680 2681 authinfo = (struct dvd_authinfo *)addr; 2682 2683 if (ap->a_cmd == DVDIOCREPORTKEY) 2684 error = cdreportkey(periph, authinfo); 2685 else 2686 error = cdsendkey(periph, authinfo); 2687 break; 2688 } 2689 case DVDIOCREADSTRUCTURE: { 2690 struct dvd_struct *dvdstruct; 2691 2692 dvdstruct = (struct dvd_struct *)addr; 2693 2694 error = cdreaddvdstructure(periph, dvdstruct); 2695 2696 break; 2697 } 2698 default: 2699 error = cam_periph_ioctl(periph, ap->a_cmd, addr, cderror); 2700 break; 2701 } 2702 2703 cam_periph_unlock(periph); 2704 2705 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2706 2707 return (error); 2708 } 2709 2710 static void 2711 cdprevent(struct cam_periph *periph, int action) 2712 { 2713 union ccb *ccb; 2714 struct cd_softc *softc; 2715 int error; 2716 2717 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2718 2719 softc = (struct cd_softc *)periph->softc; 2720 2721 if (((action == PR_ALLOW) 2722 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2723 || ((action == PR_PREVENT) 2724 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2725 return; 2726 } 2727 2728 ccb = cdgetccb(periph, /* priority */ 1); 2729 2730 scsi_prevent(&ccb->csio, 2731 /*retries*/ 1, 2732 cddone, 2733 MSG_SIMPLE_Q_TAG, 2734 action, 2735 SSD_FULL_SIZE, 2736 /* timeout */60000); 2737 2738 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2739 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2740 2741 xpt_release_ccb(ccb); 2742 2743 if (error == 0) { 2744 if (action == PR_ALLOW) 2745 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2746 else 2747 softc->flags |= CD_FLAG_DISC_LOCKED; 2748 } 2749 } 2750 2751 int 2752 cdcheckmedia(struct cam_periph *periph) 2753 { 2754 struct cd_softc *softc; 2755 struct ioc_toc_header *toch; 2756 struct cd_toc_single leadout; 2757 struct ccb_getdev cgd; 2758 u_int32_t size, toclen; 2759 int error, num_entries, cdindex; 2760 int first_track_audio; 2761 struct disk_info info; 2762 2763 softc = (struct cd_softc *)periph->softc; 2764 2765 first_track_audio = -1; 2766 error = 0; 2767 2768 cdprevent(periph, PR_PREVENT); 2769 2770 /* 2771 * Set up disk info fields and tell the disk subsystem to reset 2772 * its internal copy of the label. 2773 */ 2774 bzero(&info, sizeof(info)); 2775 info.d_type = DTYPE_SCSI; 2776 info.d_dsflags &= ~DSO_COMPATLABEL; 2777 info.d_dsflags |= DSO_NOLABELS | DSO_COMPATPARTA; 2778 2779 /* 2780 * Grab the inquiry data to get the vendor and product names. 2781 * Put them in the typename and packname for the label. 2782 */ 2783 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2784 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2785 xpt_action((union ccb *)&cgd); 2786 2787 #if 0 2788 strncpy(label->d_typename, cgd.inq_data.vendor, 2789 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2790 strncpy(label->d_packname, cgd.inq_data.product, 2791 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2792 #endif 2793 /* 2794 * Clear the valid media and TOC flags until we've verified that we 2795 * have both. 2796 */ 2797 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2798 2799 /* 2800 * Get the disc size and block size. If we can't get it, we don't 2801 * have media, most likely. 2802 */ 2803 if ((error = cdsize(periph, &size)) != 0) { 2804 /* 2805 * Set a bogus sector size, so the slice code won't try to 2806 * divide by 0 and panic the kernel. 2807 */ 2808 info.d_media_blksize = 2048; 2809 disk_setdiskinfo(&softc->disk, &info); 2810 2811 /* 2812 * XXX KDM is this a good idea? Seems to cause more 2813 * problems. 2814 */ 2815 if (softc->flags & CD_FLAG_OPEN) { 2816 int force; 2817 2818 force = 1; 2819 2820 /* 2821 * We don't bother checking the return value here, 2822 * since we already have an error... 2823 */ 2824 dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2825 /*data*/(caddr_t)&force, /*flags*/ 0, 2826 &softc->disk.d_slice, &softc->disk.d_info); 2827 } 2828 2829 /* 2830 * Tell devstat(9) we don't have a blocksize. 2831 */ 2832 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2833 2834 cdprevent(periph, PR_ALLOW); 2835 2836 return (error); 2837 } else { 2838 info.d_media_blksize = softc->params.blksize; 2839 info.d_media_blocks = softc->params.disksize; 2840 disk_setdiskinfo(&softc->disk, &info); 2841 2842 /* 2843 * Force a re-sync of slice information, like the blocksize, 2844 * now that we know it. It isn't pretty...but according to 2845 * Bruce Evans, this is probably the best way to do it in 2846 * -stable. We only do this if we're already open, and 2847 * therefore dsopen() has already run. If CD_FLAG_OPEN 2848 * isn't set, this isn't necessary. 2849 */ 2850 if (softc->flags & CD_FLAG_OPEN) { 2851 int force; 2852 2853 force = 1; 2854 2855 error = dsioctl(softc->disk.d_cdev, DIOCSYNCSLICEINFO, 2856 /*data*/(caddr_t)&force, /*flags*/ 0, 2857 &softc->disk.d_slice, 2858 &softc->disk.d_info); 2859 if (error != 0) { 2860 /* 2861 * Set a bogus sector size, so the slice code 2862 * won't try to divide by 0 and panic the 2863 * kernel. 2864 */ 2865 info.d_media_blksize = 2048; 2866 info.d_media_blocks = 0; 2867 info.d_media_size = 0; 2868 disk_setdiskinfo(&softc->disk, &info); 2869 2870 /* 2871 * Tell devstat(9) we don't have a blocksize. 2872 */ 2873 softc->device_stats.flags |= 2874 DEVSTAT_BS_UNAVAILABLE; 2875 2876 cdprevent(periph, PR_ALLOW); 2877 } 2878 } 2879 2880 /* 2881 * We unconditionally (re)set the blocksize each time the 2882 * CD device is opened. This is because the CD can change, 2883 * and therefore the blocksize might change. 2884 * XXX problems here if some slice or partition is still 2885 * open with the old size? 2886 */ 2887 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2888 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2889 softc->device_stats.block_size = softc->params.blksize; 2890 2891 softc->flags |= CD_FLAG_VALID_MEDIA; 2892 } 2893 2894 /* 2895 * Now we check the table of contents. This (currently) is only 2896 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2897 * things like present a separate entry in /dev for each track, 2898 * like that acd(4) driver does. 2899 */ 2900 bzero(&softc->toc, sizeof(softc->toc)); 2901 toch = &softc->toc.header; 2902 2903 /* 2904 * We will get errors here for media that doesn't have a table of 2905 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2906 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2907 * has not been recorded (no complete session) and the Format codes 2908 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2909 * with an INVALID FIELD IN CDB. Devices that are not capable of 2910 * reading an incomplete session on DDC/CD-R/RW media shall report 2911 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2912 * 2913 * So this isn't fatal if we can't read the table of contents, it 2914 * just means that the user won't be able to issue the play tracks 2915 * ioctl, and likely lots of other stuff won't work either. They 2916 * need to burn the CD before we can do a whole lot with it. So 2917 * we don't print anything here if we get an error back. 2918 */ 2919 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2920 SF_NO_PRINT); 2921 /* 2922 * Errors in reading the table of contents aren't fatal, we just 2923 * won't have a valid table of contents cached. 2924 */ 2925 if (error != 0) { 2926 error = 0; 2927 bzero(&softc->toc, sizeof(softc->toc)); 2928 goto bailout; 2929 } 2930 2931 if (softc->quirks & CD_Q_BCD_TRACKS) { 2932 toch->starting_track = bcd2bin(toch->starting_track); 2933 toch->ending_track = bcd2bin(toch->ending_track); 2934 } 2935 2936 /* Number of TOC entries, plus leadout */ 2937 num_entries = (toch->ending_track - toch->starting_track) + 2; 2938 2939 if (num_entries <= 0) 2940 goto bailout; 2941 2942 toclen = num_entries * sizeof(struct cd_toc_entry); 2943 2944 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2945 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2946 SF_NO_PRINT); 2947 if (error != 0) { 2948 error = 0; 2949 bzero(&softc->toc, sizeof(softc->toc)); 2950 goto bailout; 2951 } 2952 2953 if (softc->quirks & CD_Q_BCD_TRACKS) { 2954 toch->starting_track = bcd2bin(toch->starting_track); 2955 toch->ending_track = bcd2bin(toch->ending_track); 2956 } 2957 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2958 2959 /* 2960 * XXX KDM is this necessary? Probably only if the drive doesn't 2961 * return leadout information with the table of contents. 2962 */ 2963 cdindex = toch->starting_track + num_entries -1; 2964 if (cdindex == toch->ending_track + 1) { 2965 2966 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2967 (u_int8_t *)&leadout, sizeof(leadout), 2968 SF_NO_PRINT); 2969 if (error != 0) { 2970 error = 0; 2971 goto bailout; 2972 } 2973 softc->toc.entries[cdindex - toch->starting_track] = 2974 leadout.entry; 2975 } 2976 if (softc->quirks & CD_Q_BCD_TRACKS) { 2977 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2978 softc->toc.entries[cdindex].track = 2979 bcd2bin(softc->toc.entries[cdindex].track); 2980 } 2981 } 2982 2983 /* 2984 * Run through the TOC entries, find the first entry and determine 2985 * whether it is an audio or data track. 2986 */ 2987 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 2988 if (softc->toc.entries[cdindex].track == toch->starting_track) { 2989 if (softc->toc.entries[cdindex].control & 0x04) 2990 first_track_audio = 0; 2991 else 2992 first_track_audio = 1; 2993 break; 2994 } 2995 } 2996 2997 /* 2998 * If first_track_audio is non-zero, we either have an error (e.g. 2999 * couldn't find the starting track) or the first track is an audio 3000 * track. If first_track_audio is 0, the first track is a data 3001 * track that could have a disklabel. Attempt to read the 3002 * disklabel off the media, just in case the user put one there. 3003 */ 3004 if (first_track_audio == 0) { 3005 info.d_dsflags |= DSO_COMPATLABEL; 3006 info.d_dsflags &= ~DSO_NOLABELS; 3007 disk_setdiskinfo(&softc->disk, &info); 3008 } 3009 softc->flags |= CD_FLAG_VALID_TOC; 3010 3011 bailout: 3012 return (error); 3013 } 3014 3015 static int 3016 cdsize(struct cam_periph *periph, u_int32_t *size) 3017 { 3018 struct cd_softc *softc; 3019 union ccb *ccb; 3020 struct scsi_read_capacity_data *rcap_buf; 3021 int error; 3022 3023 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3024 3025 softc = (struct cd_softc *)periph->softc; 3026 3027 ccb = cdgetccb(periph, /* priority */ 1); 3028 3029 rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_data), 3030 M_TEMP, M_INTWAIT | M_ZERO); 3031 3032 scsi_read_capacity(&ccb->csio, 3033 /*retries*/ 1, 3034 cddone, 3035 MSG_SIMPLE_Q_TAG, 3036 rcap_buf, 3037 SSD_FULL_SIZE, 3038 /* timeout */20000); 3039 3040 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3041 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 3042 3043 xpt_release_ccb(ccb); 3044 3045 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3046 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3047 /* 3048 * SCSI-3 mandates that the reported blocksize shall be 2048. 3049 * Older drives sometimes report funny values, trim it down to 3050 * 2048, or other parts of the kernel will get confused. 3051 * 3052 * XXX we leave drives alone that might report 512 bytes, as 3053 * well as drives reporting more weird sizes like perhaps 4K. 3054 */ 3055 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3056 softc->params.blksize = 2048; 3057 3058 kfree(rcap_buf, M_TEMP); 3059 *size = softc->params.disksize; 3060 3061 return (error); 3062 3063 } 3064 3065 static int 3066 cd6byteworkaround(union ccb *ccb) 3067 { 3068 u_int8_t *cdb; 3069 struct cam_periph *periph; 3070 struct cd_softc *softc; 3071 struct cd_mode_params *params; 3072 int frozen, found; 3073 3074 periph = xpt_path_periph(ccb->ccb_h.path); 3075 softc = (struct cd_softc *)periph->softc; 3076 3077 cdb = ccb->csio.cdb_io.cdb_bytes; 3078 3079 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3080 || ((cdb[0] != MODE_SENSE_6) 3081 && (cdb[0] != MODE_SELECT_6))) 3082 return (0); 3083 3084 /* 3085 * Because there is no convenient place to stash the overall 3086 * cd_mode_params structure pointer, we have to grab it like this. 3087 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3088 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3089 * 3090 * XXX It would be nice if, at some point, we could increase the 3091 * number of available peripheral private pointers. Both pointers 3092 * are currently used in most every peripheral driver. 3093 */ 3094 found = 0; 3095 3096 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3097 if (params->mode_buf == ccb->csio.data_ptr) { 3098 found = 1; 3099 break; 3100 } 3101 } 3102 3103 /* 3104 * This shouldn't happen. All mode sense and mode select 3105 * operations in the cd(4) driver MUST go through cdgetmode() and 3106 * cdsetmode()! 3107 */ 3108 if (found == 0) { 3109 xpt_print_path(periph->path); 3110 kprintf("mode buffer not found in mode queue!\n"); 3111 return (0); 3112 } 3113 3114 params->cdb_size = 10; 3115 softc->minimum_command_size = 10; 3116 xpt_print_path(ccb->ccb_h.path); 3117 kprintf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3118 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3119 3120 if (cdb[0] == MODE_SENSE_6) { 3121 struct scsi_mode_sense_10 ms10; 3122 struct scsi_mode_sense_6 *ms6; 3123 int len; 3124 3125 ms6 = (struct scsi_mode_sense_6 *)cdb; 3126 3127 bzero(&ms10, sizeof(ms10)); 3128 ms10.opcode = MODE_SENSE_10; 3129 ms10.byte2 = ms6->byte2; 3130 ms10.page = ms6->page; 3131 3132 /* 3133 * 10 byte mode header, block descriptor, 3134 * sizeof(union cd_pages) 3135 */ 3136 len = sizeof(struct cd_mode_data_10); 3137 ccb->csio.dxfer_len = len; 3138 3139 scsi_ulto2b(len, ms10.length); 3140 ms10.control = ms6->control; 3141 bcopy(&ms10, cdb, 10); 3142 ccb->csio.cdb_len = 10; 3143 } else { 3144 struct scsi_mode_select_10 ms10; 3145 struct scsi_mode_select_6 *ms6; 3146 struct scsi_mode_header_6 *header6; 3147 struct scsi_mode_header_10 *header10; 3148 struct scsi_mode_page_header *page_header; 3149 int blk_desc_len, page_num, page_size, len; 3150 3151 ms6 = (struct scsi_mode_select_6 *)cdb; 3152 3153 bzero(&ms10, sizeof(ms10)); 3154 ms10.opcode = MODE_SELECT_10; 3155 ms10.byte2 = ms6->byte2; 3156 3157 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3158 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3159 3160 page_header = find_mode_page_6(header6); 3161 page_num = page_header->page_code; 3162 3163 blk_desc_len = header6->blk_desc_len; 3164 3165 page_size = cdgetpagesize(page_num); 3166 3167 if (page_size != (page_header->page_length + 3168 sizeof(*page_header))) 3169 page_size = page_header->page_length + 3170 sizeof(*page_header); 3171 3172 len = sizeof(*header10) + blk_desc_len + page_size; 3173 3174 len = min(params->alloc_len, len); 3175 3176 /* 3177 * Since the 6 byte parameter header is shorter than the 10 3178 * byte parameter header, we need to copy the actual mode 3179 * page data, and the block descriptor, if any, so things wind 3180 * up in the right place. The regions will overlap, but 3181 * bcopy() does the right thing. 3182 */ 3183 bcopy(params->mode_buf + sizeof(*header6), 3184 params->mode_buf + sizeof(*header10), 3185 len - sizeof(*header10)); 3186 3187 /* Make sure these fields are set correctly. */ 3188 scsi_ulto2b(0, header10->data_length); 3189 header10->medium_type = 0; 3190 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3191 3192 ccb->csio.dxfer_len = len; 3193 3194 scsi_ulto2b(len, ms10.length); 3195 ms10.control = ms6->control; 3196 bcopy(&ms10, cdb, 10); 3197 ccb->csio.cdb_len = 10; 3198 } 3199 3200 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3201 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3202 xpt_action(ccb); 3203 if (frozen) { 3204 cam_release_devq(ccb->ccb_h.path, 3205 /*relsim_flags*/0, 3206 /*openings*/0, 3207 /*timeout*/0, 3208 /*getcount_only*/0); 3209 } 3210 3211 return (ERESTART); 3212 } 3213 3214 static int 3215 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3216 { 3217 struct cd_softc *softc; 3218 struct cam_periph *periph; 3219 int error; 3220 3221 periph = xpt_path_periph(ccb->ccb_h.path); 3222 softc = (struct cd_softc *)periph->softc; 3223 3224 error = 0; 3225 3226 /* 3227 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3228 * CDB comes back with this particular error, try transforming it 3229 * into the 10 byte version. 3230 */ 3231 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3232 error = cd6byteworkaround(ccb); 3233 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3234 CAM_SCSI_STATUS_ERROR) 3235 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3236 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3237 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3238 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3239 int sense_key, error_code, asc, ascq; 3240 3241 scsi_extract_sense(&ccb->csio.sense_data, 3242 &error_code, &sense_key, &asc, &ascq); 3243 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3244 error = cd6byteworkaround(ccb); 3245 } 3246 3247 if (error == ERESTART) 3248 return (error); 3249 3250 /* 3251 * XXX 3252 * Until we have a better way of doing pack validation, 3253 * don't treat UAs as errors. 3254 */ 3255 sense_flags |= SF_RETRY_UA; 3256 return (cam_periph_error(ccb, cam_flags, sense_flags, 3257 &softc->saved_ccb)); 3258 } 3259 3260 /* 3261 * Read table of contents 3262 */ 3263 static int 3264 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3265 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3266 { 3267 struct scsi_read_toc *scsi_cmd; 3268 u_int32_t ntoc; 3269 struct ccb_scsiio *csio; 3270 union ccb *ccb; 3271 int error; 3272 3273 ntoc = len; 3274 error = 0; 3275 3276 ccb = cdgetccb(periph, /* priority */ 1); 3277 3278 csio = &ccb->csio; 3279 3280 cam_fill_csio(csio, 3281 /* retries */ 1, 3282 /* cbfcnp */ cddone, 3283 /* flags */ CAM_DIR_IN, 3284 /* tag_action */ MSG_SIMPLE_Q_TAG, 3285 /* data_ptr */ data, 3286 /* dxfer_len */ len, 3287 /* sense_len */ SSD_FULL_SIZE, 3288 sizeof(struct scsi_read_toc), 3289 /* timeout */ 50000); 3290 3291 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3292 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3293 3294 if (mode == CD_MSF_FORMAT) 3295 scsi_cmd->byte2 |= CD_MSF; 3296 scsi_cmd->from_track = start; 3297 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3298 scsi_cmd->data_len[0] = (ntoc) >> 8; 3299 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3300 3301 scsi_cmd->op_code = READ_TOC; 3302 3303 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3304 /*sense_flags*/SF_RETRY_UA | sense_flags); 3305 3306 xpt_release_ccb(ccb); 3307 3308 return(error); 3309 } 3310 3311 static int 3312 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3313 u_int32_t format, int track, 3314 struct cd_sub_channel_info *data, u_int32_t len) 3315 { 3316 struct scsi_read_subchannel *scsi_cmd; 3317 struct ccb_scsiio *csio; 3318 union ccb *ccb; 3319 int error; 3320 3321 error = 0; 3322 3323 ccb = cdgetccb(periph, /* priority */ 1); 3324 3325 csio = &ccb->csio; 3326 3327 cam_fill_csio(csio, 3328 /* retries */ 1, 3329 /* cbfcnp */ cddone, 3330 /* flags */ CAM_DIR_IN, 3331 /* tag_action */ MSG_SIMPLE_Q_TAG, 3332 /* data_ptr */ (u_int8_t *)data, 3333 /* dxfer_len */ len, 3334 /* sense_len */ SSD_FULL_SIZE, 3335 sizeof(struct scsi_read_subchannel), 3336 /* timeout */ 50000); 3337 3338 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3339 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3340 3341 scsi_cmd->op_code = READ_SUBCHANNEL; 3342 if (mode == CD_MSF_FORMAT) 3343 scsi_cmd->byte1 |= CD_MSF; 3344 scsi_cmd->byte2 = SRS_SUBQ; 3345 scsi_cmd->subchan_format = format; 3346 scsi_cmd->track = track; 3347 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3348 scsi_cmd->control = 0; 3349 3350 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3351 /*sense_flags*/SF_RETRY_UA); 3352 3353 xpt_release_ccb(ccb); 3354 3355 return(error); 3356 } 3357 3358 /* 3359 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3360 * routine. See comments in cd6byteworkaround() for details. 3361 */ 3362 static int 3363 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3364 u_int32_t page) 3365 { 3366 struct ccb_scsiio *csio; 3367 struct cd_softc *softc; 3368 union ccb *ccb; 3369 int param_len; 3370 int error; 3371 3372 softc = (struct cd_softc *)periph->softc; 3373 3374 ccb = cdgetccb(periph, /* priority */ 1); 3375 3376 csio = &ccb->csio; 3377 3378 data->cdb_size = softc->minimum_command_size; 3379 if (data->cdb_size < 10) 3380 param_len = sizeof(struct cd_mode_data); 3381 else 3382 param_len = sizeof(struct cd_mode_data_10); 3383 3384 /* Don't say we've got more room than we actually allocated */ 3385 param_len = min(param_len, data->alloc_len); 3386 3387 scsi_mode_sense_len(csio, 3388 /* retries */ 1, 3389 /* cbfcnp */ cddone, 3390 /* tag_action */ MSG_SIMPLE_Q_TAG, 3391 /* dbd */ 0, 3392 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3393 /* page */ page, 3394 /* param_buf */ data->mode_buf, 3395 /* param_len */ param_len, 3396 /* minimum_cmd_size */ softc->minimum_command_size, 3397 /* sense_len */ SSD_FULL_SIZE, 3398 /* timeout */ 50000); 3399 3400 /* 3401 * It would be nice not to have to do this, but there's no 3402 * available pointer in the CCB that would allow us to stuff the 3403 * mode params structure in there and retrieve it in 3404 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3405 * lets the caller know what CDB size we ended up using, so they 3406 * can find the actual mode page offset. 3407 */ 3408 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3409 3410 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3411 /*sense_flags*/SF_RETRY_UA); 3412 3413 xpt_release_ccb(ccb); 3414 3415 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3416 3417 /* 3418 * This is a bit of belt-and-suspenders checking, but if we run 3419 * into a situation where the target sends back multiple block 3420 * descriptors, we might not have enough space in the buffer to 3421 * see the whole mode page. Better to return an error than 3422 * potentially access memory beyond our malloced region. 3423 */ 3424 if (error == 0) { 3425 u_int32_t data_len; 3426 3427 if (data->cdb_size == 10) { 3428 struct scsi_mode_header_10 *hdr10; 3429 3430 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3431 data_len = scsi_2btoul(hdr10->data_length); 3432 data_len += sizeof(hdr10->data_length); 3433 } else { 3434 struct scsi_mode_header_6 *hdr6; 3435 3436 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3437 data_len = hdr6->data_length; 3438 data_len += sizeof(hdr6->data_length); 3439 } 3440 3441 /* 3442 * Complain if there is more mode data available than we 3443 * allocated space for. This could potentially happen if 3444 * we miscalculated the page length for some reason, if the 3445 * drive returns multiple block descriptors, or if it sets 3446 * the data length incorrectly. 3447 */ 3448 if (data_len > data->alloc_len) { 3449 xpt_print_path(periph->path); 3450 kprintf("allocated modepage %d length %d < returned " 3451 "length %d\n", page, data->alloc_len, data_len); 3452 3453 error = ENOSPC; 3454 } 3455 } 3456 return (error); 3457 } 3458 3459 /* 3460 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3461 * routine. See comments in cd6byteworkaround() for details. 3462 */ 3463 static int 3464 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3465 { 3466 struct ccb_scsiio *csio; 3467 struct cd_softc *softc; 3468 union ccb *ccb; 3469 int cdb_size, param_len; 3470 int error; 3471 3472 softc = (struct cd_softc *)periph->softc; 3473 3474 ccb = cdgetccb(periph, /* priority */ 1); 3475 3476 csio = &ccb->csio; 3477 3478 error = 0; 3479 3480 /* 3481 * If the data is formatted for the 10 byte version of the mode 3482 * select parameter list, we need to use the 10 byte CDB. 3483 * Otherwise, we use whatever the stored minimum command size. 3484 */ 3485 if (data->cdb_size == 10) 3486 cdb_size = data->cdb_size; 3487 else 3488 cdb_size = softc->minimum_command_size; 3489 3490 if (cdb_size >= 10) { 3491 struct scsi_mode_header_10 *mode_header; 3492 u_int32_t data_len; 3493 3494 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3495 3496 data_len = scsi_2btoul(mode_header->data_length); 3497 3498 scsi_ulto2b(0, mode_header->data_length); 3499 /* 3500 * SONY drives do not allow a mode select with a medium_type 3501 * value that has just been returned by a mode sense; use a 3502 * medium_type of 0 (Default) instead. 3503 */ 3504 mode_header->medium_type = 0; 3505 3506 /* 3507 * Pass back whatever the drive passed to us, plus the size 3508 * of the data length field. 3509 */ 3510 param_len = data_len + sizeof(mode_header->data_length); 3511 3512 } else { 3513 struct scsi_mode_header_6 *mode_header; 3514 3515 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3516 3517 param_len = mode_header->data_length + 1; 3518 3519 mode_header->data_length = 0; 3520 /* 3521 * SONY drives do not allow a mode select with a medium_type 3522 * value that has just been returned by a mode sense; use a 3523 * medium_type of 0 (Default) instead. 3524 */ 3525 mode_header->medium_type = 0; 3526 } 3527 3528 /* Don't say we've got more room than we actually allocated */ 3529 param_len = min(param_len, data->alloc_len); 3530 3531 scsi_mode_select_len(csio, 3532 /* retries */ 1, 3533 /* cbfcnp */ cddone, 3534 /* tag_action */ MSG_SIMPLE_Q_TAG, 3535 /* scsi_page_fmt */ 1, 3536 /* save_pages */ 0, 3537 /* param_buf */ data->mode_buf, 3538 /* param_len */ param_len, 3539 /* minimum_cmd_size */ cdb_size, 3540 /* sense_len */ SSD_FULL_SIZE, 3541 /* timeout */ 50000); 3542 3543 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3544 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3545 3546 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3547 /*sense_flags*/SF_RETRY_UA); 3548 3549 xpt_release_ccb(ccb); 3550 3551 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3552 3553 return (error); 3554 } 3555 3556 3557 3558 static int 3559 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3560 { 3561 struct ccb_scsiio *csio; 3562 union ccb *ccb; 3563 int error; 3564 u_int8_t cdb_len; 3565 3566 error = 0; 3567 ccb = cdgetccb(periph, /* priority */ 1); 3568 csio = &ccb->csio; 3569 /* 3570 * Use the smallest possible command to perform the operation. 3571 */ 3572 if ((len & 0xffff0000) == 0) { 3573 /* 3574 * We can fit in a 10 byte cdb. 3575 */ 3576 struct scsi_play_10 *scsi_cmd; 3577 3578 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3579 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3580 scsi_cmd->op_code = PLAY_10; 3581 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3582 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3583 cdb_len = sizeof(*scsi_cmd); 3584 } else { 3585 struct scsi_play_12 *scsi_cmd; 3586 3587 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3588 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3589 scsi_cmd->op_code = PLAY_12; 3590 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3591 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3592 cdb_len = sizeof(*scsi_cmd); 3593 } 3594 cam_fill_csio(csio, 3595 /*retries*/2, 3596 cddone, 3597 /*flags*/CAM_DIR_NONE, 3598 MSG_SIMPLE_Q_TAG, 3599 /*dataptr*/NULL, 3600 /*datalen*/0, 3601 /*sense_len*/SSD_FULL_SIZE, 3602 cdb_len, 3603 /*timeout*/50 * 1000); 3604 3605 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3606 /*sense_flags*/SF_RETRY_UA); 3607 3608 xpt_release_ccb(ccb); 3609 3610 return(error); 3611 } 3612 3613 static int 3614 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3615 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3616 { 3617 struct scsi_play_msf *scsi_cmd; 3618 struct ccb_scsiio *csio; 3619 union ccb *ccb; 3620 int error; 3621 3622 error = 0; 3623 3624 ccb = cdgetccb(periph, /* priority */ 1); 3625 3626 csio = &ccb->csio; 3627 3628 cam_fill_csio(csio, 3629 /* retries */ 1, 3630 /* cbfcnp */ cddone, 3631 /* flags */ CAM_DIR_NONE, 3632 /* tag_action */ MSG_SIMPLE_Q_TAG, 3633 /* data_ptr */ NULL, 3634 /* dxfer_len */ 0, 3635 /* sense_len */ SSD_FULL_SIZE, 3636 sizeof(struct scsi_play_msf), 3637 /* timeout */ 50000); 3638 3639 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3640 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3641 3642 scsi_cmd->op_code = PLAY_MSF; 3643 scsi_cmd->start_m = startm; 3644 scsi_cmd->start_s = starts; 3645 scsi_cmd->start_f = startf; 3646 scsi_cmd->end_m = endm; 3647 scsi_cmd->end_s = ends; 3648 scsi_cmd->end_f = endf; 3649 3650 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3651 /*sense_flags*/SF_RETRY_UA); 3652 3653 xpt_release_ccb(ccb); 3654 3655 return(error); 3656 } 3657 3658 3659 static int 3660 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3661 u_int32_t etrack, u_int32_t eindex) 3662 { 3663 struct scsi_play_track *scsi_cmd; 3664 struct ccb_scsiio *csio; 3665 union ccb *ccb; 3666 int error; 3667 3668 error = 0; 3669 3670 ccb = cdgetccb(periph, /* priority */ 1); 3671 3672 csio = &ccb->csio; 3673 3674 cam_fill_csio(csio, 3675 /* retries */ 1, 3676 /* cbfcnp */ cddone, 3677 /* flags */ CAM_DIR_NONE, 3678 /* tag_action */ MSG_SIMPLE_Q_TAG, 3679 /* data_ptr */ NULL, 3680 /* dxfer_len */ 0, 3681 /* sense_len */ SSD_FULL_SIZE, 3682 sizeof(struct scsi_play_track), 3683 /* timeout */ 50000); 3684 3685 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3686 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3687 3688 scsi_cmd->op_code = PLAY_TRACK; 3689 scsi_cmd->start_track = strack; 3690 scsi_cmd->start_index = sindex; 3691 scsi_cmd->end_track = etrack; 3692 scsi_cmd->end_index = eindex; 3693 3694 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3695 /*sense_flags*/SF_RETRY_UA); 3696 3697 xpt_release_ccb(ccb); 3698 3699 return(error); 3700 } 3701 3702 static int 3703 cdpause(struct cam_periph *periph, u_int32_t go) 3704 { 3705 struct scsi_pause *scsi_cmd; 3706 struct ccb_scsiio *csio; 3707 union ccb *ccb; 3708 int error; 3709 3710 error = 0; 3711 3712 ccb = cdgetccb(periph, /* priority */ 1); 3713 3714 csio = &ccb->csio; 3715 3716 cam_fill_csio(csio, 3717 /* retries */ 1, 3718 /* cbfcnp */ cddone, 3719 /* flags */ CAM_DIR_NONE, 3720 /* tag_action */ MSG_SIMPLE_Q_TAG, 3721 /* data_ptr */ NULL, 3722 /* dxfer_len */ 0, 3723 /* sense_len */ SSD_FULL_SIZE, 3724 sizeof(struct scsi_pause), 3725 /* timeout */ 50000); 3726 3727 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3728 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3729 3730 scsi_cmd->op_code = PAUSE; 3731 scsi_cmd->resume = go; 3732 3733 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3734 /*sense_flags*/SF_RETRY_UA); 3735 3736 xpt_release_ccb(ccb); 3737 3738 return(error); 3739 } 3740 3741 static int 3742 cdstartunit(struct cam_periph *periph, int load) 3743 { 3744 union ccb *ccb; 3745 int error; 3746 3747 error = 0; 3748 3749 ccb = cdgetccb(periph, /* priority */ 1); 3750 3751 scsi_start_stop(&ccb->csio, 3752 /* retries */ 1, 3753 /* cbfcnp */ cddone, 3754 /* tag_action */ MSG_SIMPLE_Q_TAG, 3755 /* start */ TRUE, 3756 /* load_eject */ load, 3757 /* immediate */ FALSE, 3758 /* sense_len */ SSD_FULL_SIZE, 3759 /* timeout */ 50000); 3760 3761 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3762 /*sense_flags*/SF_RETRY_UA); 3763 3764 xpt_release_ccb(ccb); 3765 3766 return(error); 3767 } 3768 3769 static int 3770 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3771 { 3772 union ccb *ccb; 3773 int error; 3774 3775 error = 0; 3776 3777 ccb = cdgetccb(periph, /* priority */ 1); 3778 3779 scsi_start_stop(&ccb->csio, 3780 /* retries */ 1, 3781 /* cbfcnp */ cddone, 3782 /* tag_action */ MSG_SIMPLE_Q_TAG, 3783 /* start */ FALSE, 3784 /* load_eject */ eject, 3785 /* immediate */ FALSE, 3786 /* sense_len */ SSD_FULL_SIZE, 3787 /* timeout */ 50000); 3788 3789 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3790 /*sense_flags*/SF_RETRY_UA); 3791 3792 xpt_release_ccb(ccb); 3793 3794 return(error); 3795 } 3796 3797 static int 3798 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3799 { 3800 struct scsi_set_speed *scsi_cmd; 3801 struct ccb_scsiio *csio; 3802 union ccb *ccb; 3803 int error; 3804 3805 error = 0; 3806 ccb = cdgetccb(periph, /* priority */ 1); 3807 csio = &ccb->csio; 3808 3809 /* Preserve old behavior: units in multiples of CDROM speed */ 3810 if (rdspeed < 177) 3811 rdspeed *= 177; 3812 if (wrspeed < 177) 3813 wrspeed *= 177; 3814 3815 cam_fill_csio(csio, 3816 /* retries */ 1, 3817 /* cbfcnp */ cddone, 3818 /* flags */ CAM_DIR_NONE, 3819 /* tag_action */ MSG_SIMPLE_Q_TAG, 3820 /* data_ptr */ NULL, 3821 /* dxfer_len */ 0, 3822 /* sense_len */ SSD_FULL_SIZE, 3823 sizeof(struct scsi_set_speed), 3824 /* timeout */ 50000); 3825 3826 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3827 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3828 3829 scsi_cmd->opcode = SET_CD_SPEED; 3830 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3831 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3832 3833 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3834 /*sense_flags*/SF_RETRY_UA); 3835 3836 xpt_release_ccb(ccb); 3837 3838 return(error); 3839 } 3840 3841 static int 3842 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3843 { 3844 union ccb *ccb; 3845 u_int8_t *databuf; 3846 u_int32_t lba; 3847 int error; 3848 int length; 3849 3850 error = 0; 3851 databuf = NULL; 3852 lba = 0; 3853 3854 ccb = cdgetccb(periph, /* priority */ 1); 3855 3856 switch (authinfo->format) { 3857 case DVD_REPORT_AGID: 3858 length = sizeof(struct scsi_report_key_data_agid); 3859 break; 3860 case DVD_REPORT_CHALLENGE: 3861 length = sizeof(struct scsi_report_key_data_challenge); 3862 break; 3863 case DVD_REPORT_KEY1: 3864 length = sizeof(struct scsi_report_key_data_key1_key2); 3865 break; 3866 case DVD_REPORT_TITLE_KEY: 3867 length = sizeof(struct scsi_report_key_data_title); 3868 /* The lba field is only set for the title key */ 3869 lba = authinfo->lba; 3870 break; 3871 case DVD_REPORT_ASF: 3872 length = sizeof(struct scsi_report_key_data_asf); 3873 break; 3874 case DVD_REPORT_RPC: 3875 length = sizeof(struct scsi_report_key_data_rpc); 3876 break; 3877 case DVD_INVALIDATE_AGID: 3878 length = 0; 3879 break; 3880 default: 3881 error = EINVAL; 3882 goto bailout; 3883 break; /* NOTREACHED */ 3884 } 3885 3886 if (length != 0) { 3887 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3888 } else { 3889 databuf = NULL; 3890 } 3891 3892 3893 scsi_report_key(&ccb->csio, 3894 /* retries */ 1, 3895 /* cbfcnp */ cddone, 3896 /* tag_action */ MSG_SIMPLE_Q_TAG, 3897 /* lba */ lba, 3898 /* agid */ authinfo->agid, 3899 /* key_format */ authinfo->format, 3900 /* data_ptr */ databuf, 3901 /* dxfer_len */ length, 3902 /* sense_len */ SSD_FULL_SIZE, 3903 /* timeout */ 50000); 3904 3905 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3906 /*sense_flags*/SF_RETRY_UA); 3907 3908 if (error != 0) 3909 goto bailout; 3910 3911 if (ccb->csio.resid != 0) { 3912 xpt_print_path(periph->path); 3913 kprintf("warning, residual for report key command is %d\n", 3914 ccb->csio.resid); 3915 } 3916 3917 switch(authinfo->format) { 3918 case DVD_REPORT_AGID: { 3919 struct scsi_report_key_data_agid *agid_data; 3920 3921 agid_data = (struct scsi_report_key_data_agid *)databuf; 3922 3923 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3924 RKD_AGID_SHIFT; 3925 break; 3926 } 3927 case DVD_REPORT_CHALLENGE: { 3928 struct scsi_report_key_data_challenge *chal_data; 3929 3930 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3931 3932 bcopy(chal_data->challenge_key, authinfo->keychal, 3933 min(sizeof(chal_data->challenge_key), 3934 sizeof(authinfo->keychal))); 3935 break; 3936 } 3937 case DVD_REPORT_KEY1: { 3938 struct scsi_report_key_data_key1_key2 *key1_data; 3939 3940 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3941 3942 bcopy(key1_data->key1, authinfo->keychal, 3943 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3944 break; 3945 } 3946 case DVD_REPORT_TITLE_KEY: { 3947 struct scsi_report_key_data_title *title_data; 3948 3949 title_data = (struct scsi_report_key_data_title *)databuf; 3950 3951 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3952 RKD_TITLE_CPM_SHIFT; 3953 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3954 RKD_TITLE_CP_SEC_SHIFT; 3955 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3956 RKD_TITLE_CMGS_SHIFT; 3957 bcopy(title_data->title_key, authinfo->keychal, 3958 min(sizeof(title_data->title_key), 3959 sizeof(authinfo->keychal))); 3960 break; 3961 } 3962 case DVD_REPORT_ASF: { 3963 struct scsi_report_key_data_asf *asf_data; 3964 3965 asf_data = (struct scsi_report_key_data_asf *)databuf; 3966 3967 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3968 break; 3969 } 3970 case DVD_REPORT_RPC: { 3971 struct scsi_report_key_data_rpc *rpc_data; 3972 3973 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3974 3975 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3976 RKD_RPC_TYPE_SHIFT; 3977 authinfo->vend_rsts = 3978 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3979 RKD_RPC_VENDOR_RESET_SHIFT; 3980 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3981 authinfo->region = rpc_data->region_mask; 3982 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3983 break; 3984 } 3985 case DVD_INVALIDATE_AGID: 3986 break; 3987 default: 3988 /* This should be impossible, since we checked above */ 3989 error = EINVAL; 3990 goto bailout; 3991 break; /* NOTREACHED */ 3992 } 3993 bailout: 3994 if (databuf != NULL) 3995 kfree(databuf, M_DEVBUF); 3996 3997 xpt_release_ccb(ccb); 3998 3999 return(error); 4000 } 4001 4002 static int 4003 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4004 { 4005 union ccb *ccb; 4006 u_int8_t *databuf; 4007 int length; 4008 int error; 4009 4010 error = 0; 4011 databuf = NULL; 4012 4013 ccb = cdgetccb(periph, /* priority */ 1); 4014 4015 switch(authinfo->format) { 4016 case DVD_SEND_CHALLENGE: { 4017 struct scsi_report_key_data_challenge *challenge_data; 4018 4019 length = sizeof(*challenge_data); 4020 4021 challenge_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4022 4023 databuf = (u_int8_t *)challenge_data; 4024 4025 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4026 challenge_data->data_len); 4027 4028 bcopy(authinfo->keychal, challenge_data->challenge_key, 4029 min(sizeof(authinfo->keychal), 4030 sizeof(challenge_data->challenge_key))); 4031 break; 4032 } 4033 case DVD_SEND_KEY2: { 4034 struct scsi_report_key_data_key1_key2 *key2_data; 4035 4036 length = sizeof(*key2_data); 4037 4038 key2_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4039 4040 databuf = (u_int8_t *)key2_data; 4041 4042 scsi_ulto2b(length - sizeof(key2_data->data_len), 4043 key2_data->data_len); 4044 4045 bcopy(authinfo->keychal, key2_data->key1, 4046 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4047 4048 break; 4049 } 4050 case DVD_SEND_RPC: { 4051 struct scsi_send_key_data_rpc *rpc_data; 4052 4053 length = sizeof(*rpc_data); 4054 4055 rpc_data = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4056 4057 databuf = (u_int8_t *)rpc_data; 4058 4059 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4060 rpc_data->data_len); 4061 4062 rpc_data->region_code = authinfo->region; 4063 break; 4064 } 4065 default: 4066 error = EINVAL; 4067 goto bailout; 4068 break; /* NOTREACHED */ 4069 } 4070 4071 scsi_send_key(&ccb->csio, 4072 /* retries */ 1, 4073 /* cbfcnp */ cddone, 4074 /* tag_action */ MSG_SIMPLE_Q_TAG, 4075 /* agid */ authinfo->agid, 4076 /* key_format */ authinfo->format, 4077 /* data_ptr */ databuf, 4078 /* dxfer_len */ length, 4079 /* sense_len */ SSD_FULL_SIZE, 4080 /* timeout */ 50000); 4081 4082 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4083 /*sense_flags*/SF_RETRY_UA); 4084 4085 bailout: 4086 4087 if (databuf != NULL) 4088 kfree(databuf, M_DEVBUF); 4089 4090 xpt_release_ccb(ccb); 4091 4092 return(error); 4093 } 4094 4095 static int 4096 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4097 { 4098 union ccb *ccb; 4099 u_int8_t *databuf; 4100 u_int32_t address; 4101 int error; 4102 int length; 4103 4104 error = 0; 4105 databuf = NULL; 4106 /* The address is reserved for many of the formats */ 4107 address = 0; 4108 4109 ccb = cdgetccb(periph, /* priority */ 1); 4110 4111 switch(dvdstruct->format) { 4112 case DVD_STRUCT_PHYSICAL: 4113 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4114 break; 4115 case DVD_STRUCT_COPYRIGHT: 4116 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4117 break; 4118 case DVD_STRUCT_DISCKEY: 4119 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4120 break; 4121 case DVD_STRUCT_BCA: 4122 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4123 break; 4124 case DVD_STRUCT_MANUFACT: 4125 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4126 break; 4127 case DVD_STRUCT_CMI: 4128 error = ENODEV; 4129 goto bailout; 4130 #ifdef notyet 4131 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4132 address = dvdstruct->address; 4133 #endif 4134 break; /* NOTREACHED */ 4135 case DVD_STRUCT_PROTDISCID: 4136 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4137 break; 4138 case DVD_STRUCT_DISCKEYBLOCK: 4139 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4140 break; 4141 case DVD_STRUCT_DDS: 4142 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4143 break; 4144 case DVD_STRUCT_MEDIUM_STAT: 4145 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4146 break; 4147 case DVD_STRUCT_SPARE_AREA: 4148 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4149 break; 4150 case DVD_STRUCT_RMD_LAST: 4151 error = ENODEV; 4152 goto bailout; 4153 #ifdef notyet 4154 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4155 address = dvdstruct->address; 4156 #endif 4157 break; /* NOTREACHED */ 4158 case DVD_STRUCT_RMD_RMA: 4159 error = ENODEV; 4160 goto bailout; 4161 #ifdef notyet 4162 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4163 address = dvdstruct->address; 4164 #endif 4165 break; /* NOTREACHED */ 4166 case DVD_STRUCT_PRERECORDED: 4167 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4168 break; 4169 case DVD_STRUCT_UNIQUEID: 4170 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4171 break; 4172 case DVD_STRUCT_DCB: 4173 error = ENODEV; 4174 goto bailout; 4175 #ifdef notyet 4176 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4177 address = dvdstruct->address; 4178 #endif 4179 break; /* NOTREACHED */ 4180 case DVD_STRUCT_LIST: 4181 /* 4182 * This is the maximum allocation length for the READ DVD 4183 * STRUCTURE command. There's nothing in the MMC3 spec 4184 * that indicates a limit in the amount of data that can 4185 * be returned from this call, other than the limits 4186 * imposed by the 2-byte length variables. 4187 */ 4188 length = 65535; 4189 break; 4190 default: 4191 error = EINVAL; 4192 goto bailout; 4193 break; /* NOTREACHED */ 4194 } 4195 4196 if (length != 0) { 4197 databuf = kmalloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4198 } else { 4199 databuf = NULL; 4200 } 4201 4202 scsi_read_dvd_structure(&ccb->csio, 4203 /* retries */ 1, 4204 /* cbfcnp */ cddone, 4205 /* tag_action */ MSG_SIMPLE_Q_TAG, 4206 /* lba */ address, 4207 /* layer_number */ dvdstruct->layer_num, 4208 /* key_format */ dvdstruct->format, 4209 /* agid */ dvdstruct->agid, 4210 /* data_ptr */ databuf, 4211 /* dxfer_len */ length, 4212 /* sense_len */ SSD_FULL_SIZE, 4213 /* timeout */ 50000); 4214 4215 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 4216 /*sense_flags*/SF_RETRY_UA); 4217 4218 if (error != 0) 4219 goto bailout; 4220 4221 switch(dvdstruct->format) { 4222 case DVD_STRUCT_PHYSICAL: { 4223 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4224 struct dvd_layer *outlayer; 4225 struct scsi_read_dvd_struct_data_physical *phys_data; 4226 4227 phys_data = 4228 (struct scsi_read_dvd_struct_data_physical *)databuf; 4229 inlayer = &phys_data->layer_desc; 4230 outlayer = (struct dvd_layer *)&dvdstruct->data; 4231 4232 dvdstruct->length = sizeof(*inlayer); 4233 4234 outlayer->book_type = (inlayer->book_type_version & 4235 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4236 outlayer->book_version = (inlayer->book_type_version & 4237 RDSD_BOOK_VERSION_MASK); 4238 outlayer->disc_size = (inlayer->disc_size_max_rate & 4239 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4240 outlayer->max_rate = (inlayer->disc_size_max_rate & 4241 RDSD_MAX_RATE_MASK); 4242 outlayer->nlayers = (inlayer->layer_info & 4243 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4244 outlayer->track_path = (inlayer->layer_info & 4245 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4246 outlayer->layer_type = (inlayer->layer_info & 4247 RDSD_LAYER_TYPE_MASK); 4248 outlayer->linear_density = (inlayer->density & 4249 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4250 outlayer->track_density = (inlayer->density & 4251 RDSD_TRACK_DENSITY_MASK); 4252 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4253 RDSD_BCA_SHIFT; 4254 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4255 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4256 outlayer->end_sector_l0 = 4257 scsi_3btoul(inlayer->end_sector_layer0); 4258 break; 4259 } 4260 case DVD_STRUCT_COPYRIGHT: { 4261 struct scsi_read_dvd_struct_data_copyright *copy_data; 4262 4263 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4264 databuf; 4265 4266 dvdstruct->cpst = copy_data->cps_type; 4267 dvdstruct->rmi = copy_data->region_info; 4268 dvdstruct->length = 0; 4269 4270 break; 4271 } 4272 default: 4273 /* 4274 * Tell the user what the overall length is, no matter 4275 * what we can actually fit in the data buffer. 4276 */ 4277 dvdstruct->length = length - ccb->csio.resid - 4278 sizeof(struct scsi_read_dvd_struct_data_header); 4279 4280 /* 4281 * But only actually copy out the smaller of what we read 4282 * in or what the structure can take. 4283 */ 4284 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4285 dvdstruct->data, 4286 min(sizeof(dvdstruct->data), dvdstruct->length)); 4287 break; 4288 } 4289 bailout: 4290 4291 if (databuf != NULL) 4292 kfree(databuf, M_DEVBUF); 4293 4294 xpt_release_ccb(ccb); 4295 4296 return(error); 4297 } 4298 4299 void 4300 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4301 void (*cbfcnp)(struct cam_periph *, union ccb *), 4302 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4303 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4304 u_int8_t sense_len, u_int32_t timeout) 4305 { 4306 struct scsi_report_key *scsi_cmd; 4307 4308 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4309 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4310 scsi_cmd->opcode = REPORT_KEY; 4311 scsi_ulto4b(lba, scsi_cmd->lba); 4312 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4313 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4314 (key_format & RK_KF_KEYFORMAT_MASK); 4315 4316 cam_fill_csio(csio, 4317 retries, 4318 cbfcnp, 4319 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4320 tag_action, 4321 /*data_ptr*/ data_ptr, 4322 /*dxfer_len*/ dxfer_len, 4323 sense_len, 4324 sizeof(*scsi_cmd), 4325 timeout); 4326 } 4327 4328 void 4329 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4330 void (*cbfcnp)(struct cam_periph *, union ccb *), 4331 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4332 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4333 u_int32_t timeout) 4334 { 4335 struct scsi_send_key *scsi_cmd; 4336 4337 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4338 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4339 scsi_cmd->opcode = SEND_KEY; 4340 4341 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4342 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4343 (key_format & RK_KF_KEYFORMAT_MASK); 4344 4345 cam_fill_csio(csio, 4346 retries, 4347 cbfcnp, 4348 /*flags*/ CAM_DIR_OUT, 4349 tag_action, 4350 /*data_ptr*/ data_ptr, 4351 /*dxfer_len*/ dxfer_len, 4352 sense_len, 4353 sizeof(*scsi_cmd), 4354 timeout); 4355 } 4356 4357 4358 void 4359 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4360 void (*cbfcnp)(struct cam_periph *, union ccb *), 4361 u_int8_t tag_action, u_int32_t address, 4362 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4363 u_int8_t *data_ptr, u_int32_t dxfer_len, 4364 u_int8_t sense_len, u_int32_t timeout) 4365 { 4366 struct scsi_read_dvd_structure *scsi_cmd; 4367 4368 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4369 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4370 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4371 4372 scsi_ulto4b(address, scsi_cmd->address); 4373 scsi_cmd->layer_number = layer_number; 4374 scsi_cmd->format = format; 4375 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4376 /* The AGID is the top two bits of this byte */ 4377 scsi_cmd->agid = agid << 6; 4378 4379 cam_fill_csio(csio, 4380 retries, 4381 cbfcnp, 4382 /*flags*/ CAM_DIR_IN, 4383 tag_action, 4384 /*data_ptr*/ data_ptr, 4385 /*dxfer_len*/ dxfer_len, 4386 sense_len, 4387 sizeof(*scsi_cmd), 4388 timeout); 4389 } 4390