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 1.12 2004/03/12 03:23:19 dillon Exp $ 29 */ 30 /* 31 * Portions of this driver taken from the original FreeBSD cd driver. 32 * Written by Julian Elischer (julian@tfs.com) 33 * for TRW Financial Systems for use under the MACH(2.5) operating system. 34 * 35 * TRW Financial Systems, in accordance with their agreement with Carnegie 36 * Mellon University, makes this software available to CMU to distribute 37 * or use in any manner that they see fit as long as this message is kept with 38 * the software. For this reason TFS also grants any other persons or 39 * organisations permission to use or modify this software. 40 * 41 * TFS supplies this software to be publicly redistributed 42 * on the understanding that TFS is not responsible for the correct 43 * functioning of this software in any circumstances. 44 * 45 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 46 * 47 * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ 48 */ 49 50 #include "opt_cd.h" 51 52 #include <sys/param.h> 53 #include <sys/bootmaj.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/buf.h> 57 #include <sys/conf.h> 58 #include <sys/disk.h> 59 #include <sys/malloc.h> 60 #include <sys/cdio.h> 61 #include <sys/cdrio.h> 62 #include <sys/dvdio.h> 63 #include <sys/devicestat.h> 64 #include <sys/sysctl.h> 65 #include <sys/taskqueue.h> 66 #include <sys/proc.h> 67 #include <sys/buf2.h> 68 69 #include "../cam.h" 70 #include "../cam_ccb.h" 71 #include "../cam_extend.h" 72 #include "../cam_periph.h" 73 #include "../cam_xpt_periph.h" 74 #include "../cam_queue.h" 75 76 #include "scsi_message.h" 77 #include "scsi_da.h" 78 #include "scsi_cd.h" 79 80 #define LEADOUT 0xaa /* leadout toc entry */ 81 82 struct cd_params { 83 u_int32_t blksize; 84 u_long disksize; 85 }; 86 87 typedef enum { 88 CD_Q_NONE = 0x00, 89 CD_Q_NO_TOUCH = 0x01, 90 CD_Q_BCD_TRACKS = 0x02, 91 CD_Q_NO_CHANGER = 0x04, 92 CD_Q_CHANGER = 0x08, 93 CD_Q_10_BYTE_ONLY = 0x10 94 } cd_quirks; 95 96 typedef enum { 97 CD_FLAG_INVALID = 0x0001, 98 CD_FLAG_NEW_DISC = 0x0002, 99 CD_FLAG_DISC_LOCKED = 0x0004, 100 CD_FLAG_DISC_REMOVABLE = 0x0008, 101 CD_FLAG_TAGGED_QUEUING = 0x0010, 102 CD_FLAG_CHANGER = 0x0040, 103 CD_FLAG_ACTIVE = 0x0080, 104 CD_FLAG_SCHED_ON_COMP = 0x0100, 105 CD_FLAG_RETRY_UA = 0x0200, 106 CD_FLAG_VALID_MEDIA = 0x0400, 107 CD_FLAG_VALID_TOC = 0x0800, 108 CD_FLAG_OPEN = 0x1000, 109 CD_FLAG_SCTX_INIT = 0x2000 110 } cd_flags; 111 112 typedef enum { 113 CD_CCB_PROBE = 0x01, 114 CD_CCB_BUFFER_IO = 0x02, 115 CD_CCB_WAITING = 0x03, 116 CD_CCB_TYPE_MASK = 0x0F, 117 CD_CCB_RETRY_UA = 0x10 118 } cd_ccb_state; 119 120 typedef enum { 121 CHANGER_TIMEOUT_SCHED = 0x01, 122 CHANGER_SHORT_TMOUT_SCHED = 0x02, 123 CHANGER_MANUAL_CALL = 0x04, 124 CHANGER_NEED_TIMEOUT = 0x08 125 } cd_changer_flags; 126 127 #define ccb_state ppriv_field0 128 #define ccb_bp ppriv_ptr1 129 130 struct cd_tocdata { 131 struct ioc_toc_header header; 132 struct cd_toc_entry entries[100]; 133 }; 134 135 struct cd_toc_single { 136 struct ioc_toc_header header; 137 struct cd_toc_entry entry; 138 }; 139 140 typedef enum { 141 CD_STATE_PROBE, 142 CD_STATE_NORMAL 143 } cd_state; 144 145 struct cd_softc { 146 cam_pinfo pinfo; 147 cd_state state; 148 volatile cd_flags flags; 149 struct buf_queue_head buf_queue; 150 LIST_HEAD(, ccb_hdr) pending_ccbs; 151 struct cd_params params; 152 struct disk disk; 153 union ccb saved_ccb; 154 cd_quirks quirks; 155 struct devstat device_stats; 156 STAILQ_ENTRY(cd_softc) changer_links; 157 struct cdchanger *changer; 158 int bufs_left; 159 struct cam_periph *periph; 160 int minimum_command_size; 161 struct task sysctl_task; 162 struct sysctl_ctx_list sysctl_ctx; 163 struct sysctl_oid *sysctl_tree; 164 STAILQ_HEAD(, cd_mode_params) mode_queue; 165 struct cd_tocdata toc; 166 }; 167 168 struct cd_page_sizes { 169 int page; 170 int page_size; 171 }; 172 173 static struct cd_page_sizes cd_page_size_table[] = 174 { 175 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 176 }; 177 178 struct cd_quirk_entry { 179 struct scsi_inquiry_pattern inq_pat; 180 cd_quirks quirks; 181 }; 182 183 /* 184 * The changer quirk entries aren't strictly necessary. Basically, what 185 * they do is tell cdregister() up front that a device is a changer. 186 * Otherwise, it will figure that fact out once it sees a LUN on the device 187 * that is greater than 0. If it is known up front that a device is a changer, 188 * all I/O to the device will go through the changer scheduling routines, as 189 * opposed to the "normal" CD code. 190 * 191 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 192 * your device hangs when it gets a 10 byte command. Adding a quirk just 193 * to get rid of the informative diagnostic message is not acceptable. All 194 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 195 * referenced in a comment along with the quirk) , and must be approved by 196 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 197 * be removed until the submitter can explain why they are needed. 198 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 199 * when the CAM_NEW_TRAN_CODE work is done. 200 */ 201 static struct cd_quirk_entry cd_quirk_table[] = 202 { 203 { 204 { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, 205 /*quirks*/ CD_Q_CHANGER 206 }, 207 { 208 { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", 209 "*"}, /* quirks */ CD_Q_CHANGER 210 }, 211 { 212 { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, 213 /* quirks */ CD_Q_CHANGER 214 }, 215 { 216 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 217 /* quirks */ CD_Q_BCD_TRACKS 218 } 219 }; 220 221 static d_open_t cdopen; 222 static d_close_t cdclose; 223 static d_ioctl_t cdioctl; 224 static d_strategy_t cdstrategy; 225 226 static periph_init_t cdinit; 227 static periph_ctor_t cdregister; 228 static periph_dtor_t cdcleanup; 229 static periph_start_t cdstart; 230 static periph_oninv_t cdoninvalidate; 231 static void cdasync(void *callback_arg, u_int32_t code, 232 struct cam_path *path, void *arg); 233 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 234 static void cdshorttimeout(void *arg); 235 static void cdschedule(struct cam_periph *periph, int priority); 236 static void cdrunchangerqueue(void *arg); 237 static void cdchangerschedule(struct cd_softc *softc); 238 static int cdrunccb(union ccb *ccb, 239 int (*error_routine)(union ccb *ccb, 240 u_int32_t cam_flags, 241 u_int32_t sense_flags), 242 u_int32_t cam_flags, u_int32_t sense_flags); 243 static union ccb *cdgetccb(struct cam_periph *periph, 244 u_int32_t priority); 245 static void cddone(struct cam_periph *periph, 246 union ccb *start_ccb); 247 static int cderror(union ccb *ccb, u_int32_t cam_flags, 248 u_int32_t sense_flags); 249 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 250 static int cdgetpagesize(int page_num); 251 static void cdprevent(struct cam_periph *periph, int action); 252 static int cdcheckmedia(struct cam_periph *periph); 253 static int cdsize(struct cam_periph *periph, u_int32_t *size); 254 static int cd6byteworkaround(union ccb *ccb); 255 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 256 u_int32_t start, u_int8_t *data, 257 u_int32_t len, u_int32_t sense_flags); 258 static int cdgetmode(struct cam_periph *periph, 259 struct cd_mode_params *data, u_int32_t page); 260 static int cdsetmode(struct cam_periph *periph, 261 struct cd_mode_params *data); 262 static int cdplay(struct cam_periph *periph, u_int32_t blk, 263 u_int32_t len); 264 static int cdreadsubchannel(struct cam_periph *periph, 265 u_int32_t mode, u_int32_t format, 266 int track, 267 struct cd_sub_channel_info *data, 268 u_int32_t len); 269 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 270 u_int32_t starts, u_int32_t startf, 271 u_int32_t endm, u_int32_t ends, 272 u_int32_t endf); 273 static int cdplaytracks(struct cam_periph *periph, 274 u_int32_t strack, u_int32_t sindex, 275 u_int32_t etrack, u_int32_t eindex); 276 static int cdpause(struct cam_periph *periph, u_int32_t go); 277 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 278 static int cdstartunit(struct cam_periph *periph, int load); 279 static int cdsetspeed(struct cam_periph *periph, 280 u_int32_t rdspeed, u_int32_t wrspeed); 281 static int cdreportkey(struct cam_periph *periph, 282 struct dvd_authinfo *authinfo); 283 static int cdsendkey(struct cam_periph *periph, 284 struct dvd_authinfo *authinfo); 285 static int cdreaddvdstructure(struct cam_periph *periph, 286 struct dvd_struct *dvdstruct); 287 288 static struct periph_driver cddriver = 289 { 290 cdinit, "cd", 291 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 292 }; 293 294 DATA_SET(periphdriver_set, cddriver); 295 296 /* For 2.2-stable support */ 297 #ifndef D_DISK 298 #define D_DISK 0 299 #endif 300 static struct cdevsw cd_cdevsw = { 301 /* name */ "cd", 302 /* maj */ SCSICD_CDEV_MAJOR, 303 /* flags */ D_DISK, 304 /* port */ NULL, 305 /* autoq */ 0, 306 307 /* open */ cdopen, 308 /* close */ cdclose, 309 /* read */ physread, 310 /* write */ physwrite, 311 /* ioctl */ cdioctl, 312 /* poll */ nopoll, 313 /* mmap */ nommap, 314 /* strategy */ cdstrategy, 315 /* dump */ nodump, 316 /* psize */ nopsize, 317 }; 318 319 static struct extend_array *cdperiphs; 320 static int num_changers; 321 322 #ifndef CHANGER_MIN_BUSY_SECONDS 323 #define CHANGER_MIN_BUSY_SECONDS 5 324 #endif 325 #ifndef CHANGER_MAX_BUSY_SECONDS 326 #define CHANGER_MAX_BUSY_SECONDS 15 327 #endif 328 329 static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; 330 static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; 331 332 /* 333 * XXX KDM this CAM node should be moved if we ever get more CAM sysctl 334 * variables. 335 */ 336 SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 337 SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); 338 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, 339 &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); 340 TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); 341 SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, 342 &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); 343 TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); 344 345 struct cdchanger { 346 path_id_t path_id; 347 target_id_t target_id; 348 int num_devices; 349 struct camq devq; 350 struct timeval start_time; 351 struct cd_softc *cur_device; 352 struct callout_handle short_handle; 353 struct callout_handle long_handle; 354 volatile cd_changer_flags flags; 355 STAILQ_ENTRY(cdchanger) changer_links; 356 STAILQ_HEAD(chdevlist, cd_softc) chluns; 357 }; 358 359 static STAILQ_HEAD(changerlist, cdchanger) changerq; 360 361 void 362 cdinit(void) 363 { 364 cam_status status; 365 struct cam_path *path; 366 367 /* 368 * Create our extend array for storing the devices we attach to. 369 */ 370 cdperiphs = cam_extend_new(); 371 if (cdperiphs == NULL) { 372 printf("cd: Failed to alloc extend array!\n"); 373 return; 374 } 375 376 /* 377 * Install a global async callback. This callback will 378 * receive async callbacks like "new device found". 379 */ 380 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 381 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 382 383 if (status == CAM_REQ_CMP) { 384 struct ccb_setasync csa; 385 386 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 387 csa.ccb_h.func_code = XPT_SASYNC_CB; 388 csa.event_enable = AC_FOUND_DEVICE; 389 csa.callback = cdasync; 390 csa.callback_arg = NULL; 391 xpt_action((union ccb *)&csa); 392 status = csa.ccb_h.status; 393 xpt_free_path(path); 394 } 395 396 if (status != CAM_REQ_CMP) { 397 printf("cd: Failed to attach master async callback " 398 "due to status 0x%x!\n", status); 399 } 400 } 401 402 static void 403 cdoninvalidate(struct cam_periph *periph) 404 { 405 int s; 406 struct cd_softc *softc; 407 struct buf *q_bp; 408 struct ccb_setasync csa; 409 410 softc = (struct cd_softc *)periph->softc; 411 412 /* 413 * De-register any async callbacks. 414 */ 415 xpt_setup_ccb(&csa.ccb_h, periph->path, 416 /* priority */ 5); 417 csa.ccb_h.func_code = XPT_SASYNC_CB; 418 csa.event_enable = 0; 419 csa.callback = cdasync; 420 csa.callback_arg = periph; 421 xpt_action((union ccb *)&csa); 422 423 softc->flags |= CD_FLAG_INVALID; 424 425 /* 426 * Although the oninvalidate() routines are always called at 427 * splsoftcam, we need to be at splbio() here to keep the buffer 428 * queue from being modified while we traverse it. 429 */ 430 s = splbio(); 431 432 /* 433 * Return all queued I/O with ENXIO. 434 * XXX Handle any transactions queued to the card 435 * with XPT_ABORT_CCB. 436 */ 437 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){ 438 bufq_remove(&softc->buf_queue, q_bp); 439 q_bp->b_resid = q_bp->b_bcount; 440 q_bp->b_error = ENXIO; 441 q_bp->b_flags |= B_ERROR; 442 biodone(q_bp); 443 } 444 splx(s); 445 446 /* 447 * If this device is part of a changer, and it was scheduled 448 * to run, remove it from the run queue since we just nuked 449 * all of its scheduled I/O. 450 */ 451 if ((softc->flags & CD_FLAG_CHANGER) 452 && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) 453 camq_remove(&softc->changer->devq, softc->pinfo.index); 454 455 xpt_print_path(periph->path); 456 printf("lost device\n"); 457 } 458 459 static void 460 cdcleanup(struct cam_periph *periph) 461 { 462 struct cd_softc *softc; 463 int s; 464 465 softc = (struct cd_softc *)periph->softc; 466 467 xpt_print_path(periph->path); 468 printf("removing device entry\n"); 469 470 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 471 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 472 xpt_print_path(periph->path); 473 printf("can't remove sysctl context\n"); 474 } 475 476 s = splsoftcam(); 477 /* 478 * In the queued, non-active case, the device in question 479 * has already been removed from the changer run queue. Since this 480 * device is active, we need to de-activate it, and schedule 481 * another device to run. (if there is another one to run) 482 */ 483 if ((softc->flags & CD_FLAG_CHANGER) 484 && (softc->flags & CD_FLAG_ACTIVE)) { 485 486 /* 487 * The purpose of the short timeout is soley to determine 488 * whether the current device has finished or not. Well, 489 * since we're removing the active device, we know that it 490 * is finished. So, get rid of the short timeout. 491 * Otherwise, if we're in the time period before the short 492 * timeout fires, and there are no other devices in the 493 * queue to run, there won't be any other device put in the 494 * active slot. i.e., when we call cdrunchangerqueue() 495 * below, it won't do anything. Then, when the short 496 * timeout fires, it'll look at the "current device", which 497 * we are free below, and possibly panic the kernel on a 498 * bogus pointer reference. 499 * 500 * The long timeout doesn't really matter, since we 501 * decrement the qfrozen_cnt to indicate that there is 502 * nothing in the active slot now. Therefore, there won't 503 * be any bogus pointer references there. 504 */ 505 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 506 untimeout(cdshorttimeout, softc->changer, 507 softc->changer->short_handle); 508 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 509 } 510 softc->changer->devq.qfrozen_cnt--; 511 softc->changer->flags |= CHANGER_MANUAL_CALL; 512 cdrunchangerqueue(softc->changer); 513 } 514 515 /* 516 * If we're removing the last device on the changer, go ahead and 517 * remove the changer device structure. 518 */ 519 if ((softc->flags & CD_FLAG_CHANGER) 520 && (--softc->changer->num_devices == 0)) { 521 522 /* 523 * Theoretically, there shouldn't be any timeouts left, but 524 * I'm not completely sure that that will be the case. So, 525 * it won't hurt to check and see if there are any left. 526 */ 527 if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { 528 untimeout(cdrunchangerqueue, softc->changer, 529 softc->changer->long_handle); 530 softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; 531 } 532 533 if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 534 untimeout(cdshorttimeout, softc->changer, 535 softc->changer->short_handle); 536 softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 537 } 538 539 STAILQ_REMOVE(&changerq, softc->changer, cdchanger, 540 changer_links); 541 xpt_print_path(periph->path); 542 printf("removing changer entry\n"); 543 free(softc->changer, M_DEVBUF); 544 num_changers--; 545 } 546 devstat_remove_entry(&softc->device_stats); 547 cam_extend_release(cdperiphs, periph->unit_number); 548 if (softc->disk.d_dev) { 549 disk_destroy(&softc->disk); 550 } 551 free(softc, M_DEVBUF); 552 splx(s); 553 } 554 555 static void 556 cdasync(void *callback_arg, u_int32_t code, 557 struct cam_path *path, void *arg) 558 { 559 struct cam_periph *periph; 560 561 periph = (struct cam_periph *)callback_arg; 562 switch (code) { 563 case AC_FOUND_DEVICE: 564 { 565 struct ccb_getdev *cgd; 566 cam_status status; 567 568 cgd = (struct ccb_getdev *)arg; 569 570 if (SID_TYPE(&cgd->inq_data) != T_CDROM 571 && SID_TYPE(&cgd->inq_data) != T_WORM) 572 break; 573 574 /* 575 * Allocate a peripheral instance for 576 * this device and start the probe 577 * process. 578 */ 579 status = cam_periph_alloc(cdregister, cdoninvalidate, 580 cdcleanup, cdstart, 581 "cd", CAM_PERIPH_BIO, 582 cgd->ccb_h.path, cdasync, 583 AC_FOUND_DEVICE, cgd); 584 585 if (status != CAM_REQ_CMP 586 && status != CAM_REQ_INPROG) 587 printf("cdasync: Unable to attach new device " 588 "due to status 0x%x\n", status); 589 590 break; 591 } 592 case AC_SENT_BDR: 593 case AC_BUS_RESET: 594 { 595 struct cd_softc *softc; 596 struct ccb_hdr *ccbh; 597 int s; 598 599 softc = (struct cd_softc *)periph->softc; 600 s = splsoftcam(); 601 /* 602 * Don't fail on the expected unit attention 603 * that will occur. 604 */ 605 softc->flags |= CD_FLAG_RETRY_UA; 606 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 607 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 608 ccbh->ccb_state |= CD_CCB_RETRY_UA; 609 splx(s); 610 /* FALLTHROUGH */ 611 } 612 default: 613 cam_periph_async(periph, code, path, arg); 614 break; 615 } 616 } 617 618 static void 619 cdsysctlinit(void *context, int pending) 620 { 621 struct cam_periph *periph; 622 struct cd_softc *softc; 623 char tmpstr[80], tmpstr2[80]; 624 625 periph = (struct cam_periph *)context; 626 softc = (struct cd_softc *)periph->softc; 627 628 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 629 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 630 631 sysctl_ctx_init(&softc->sysctl_ctx); 632 softc->flags |= CD_FLAG_SCTX_INIT; 633 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 634 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 635 tmpstr2, CTLFLAG_RD, 0, tmpstr); 636 637 if (softc->sysctl_tree == NULL) { 638 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 639 return; 640 } 641 642 /* 643 * Now register the sysctl handler, so the user can the value on 644 * the fly. 645 */ 646 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 647 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 648 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 649 "Minimum CDB size"); 650 } 651 652 /* 653 * We have a handler function for this so we can check the values when the 654 * user sets them, instead of every time we look at them. 655 */ 656 static int 657 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 658 { 659 int error, value; 660 661 value = *(int *)arg1; 662 663 error = sysctl_handle_int(oidp, &value, 0, req); 664 665 if ((error != 0) || (req->newptr == NULL)) 666 return (error); 667 668 /* 669 * The only real values we can have here are 6 or 10. I don't 670 * really forsee having 12 be an option at any time in the future. 671 * So if the user sets something less than or equal to 6, we'll set 672 * it to 6. If he sets something greater than 6, we'll set it to 10. 673 * 674 * I suppose we could just return an error here for the wrong values, 675 * but I don't think it's necessary to do so, as long as we can 676 * determine the user's intent without too much trouble. 677 */ 678 if (value < 6) 679 value = 6; 680 else if (value > 6) 681 value = 10; 682 683 *(int *)arg1 = value; 684 685 return (0); 686 } 687 688 689 static cam_status 690 cdregister(struct cam_periph *periph, void *arg) 691 { 692 struct cd_softc *softc; 693 struct ccb_setasync csa; 694 struct ccb_pathinq cpi; 695 struct ccb_getdev *cgd; 696 char tmpstr[80]; 697 caddr_t match; 698 699 cgd = (struct ccb_getdev *)arg; 700 if (periph == NULL) { 701 printf("cdregister: periph was NULL!!\n"); 702 return(CAM_REQ_CMP_ERR); 703 } 704 if (cgd == NULL) { 705 printf("cdregister: no getdev CCB, can't register device\n"); 706 return(CAM_REQ_CMP_ERR); 707 } 708 709 softc = malloc(sizeof(*softc), M_DEVBUF, M_WAITOK | M_ZERO); 710 LIST_INIT(&softc->pending_ccbs); 711 STAILQ_INIT(&softc->mode_queue); 712 softc->state = CD_STATE_PROBE; 713 bufq_init(&softc->buf_queue); 714 if (SID_IS_REMOVABLE(&cgd->inq_data)) 715 softc->flags |= CD_FLAG_DISC_REMOVABLE; 716 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 717 softc->flags |= CD_FLAG_TAGGED_QUEUING; 718 719 periph->softc = softc; 720 softc->periph = periph; 721 722 cam_extend_set(cdperiphs, periph->unit_number, periph); 723 724 /* 725 * See if this device has any quirks. 726 */ 727 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 728 (caddr_t)cd_quirk_table, 729 sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), 730 sizeof(*cd_quirk_table), scsi_inquiry_match); 731 732 if (match != NULL) 733 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 734 else 735 softc->quirks = CD_Q_NONE; 736 737 /* Check if the SIM does not want 6 byte commands */ 738 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 739 cpi.ccb_h.func_code = XPT_PATH_INQ; 740 xpt_action((union ccb *)&cpi); 741 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 742 softc->quirks |= CD_Q_10_BYTE_ONLY; 743 744 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 745 746 /* The default is 6 byte commands, unless quirked otherwise */ 747 if (softc->quirks & CD_Q_10_BYTE_ONLY) 748 softc->minimum_command_size = 10; 749 else 750 softc->minimum_command_size = 6; 751 752 /* 753 * Load the user's default, if any. 754 */ 755 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 756 periph->unit_number); 757 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 758 759 /* 6 and 10 are the only permissible values here. */ 760 if (softc->minimum_command_size < 6) 761 softc->minimum_command_size = 6; 762 else if (softc->minimum_command_size > 6) 763 softc->minimum_command_size = 10; 764 765 /* 766 * We need to register the statistics structure for this device, 767 * but we don't have the blocksize yet for it. So, we register 768 * the structure and indicate that we don't have the blocksize 769 * yet. Unlike other SCSI peripheral drivers, we explicitly set 770 * the device type here to be CDROM, rather than just ORing in 771 * the device type. This is because this driver can attach to either 772 * CDROM or WORM devices, and we want this peripheral driver to 773 * show up in the devstat list as a CD peripheral driver, not a 774 * WORM peripheral driver. WORM drives will also have the WORM 775 * driver attached to them. 776 */ 777 devstat_add_entry(&softc->device_stats, "cd", 778 periph->unit_number, 0, 779 DEVSTAT_BS_UNAVAILABLE, 780 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI, 781 DEVSTAT_PRIORITY_CD); 782 disk_create(periph->unit_number, &softc->disk, 783 DSO_ONESLICE | DSO_COMPATLABEL, &cd_cdevsw); 784 785 /* 786 * Add an async callback so that we get 787 * notified if this device goes away. 788 */ 789 xpt_setup_ccb(&csa.ccb_h, periph->path, 790 /* priority */ 5); 791 csa.ccb_h.func_code = XPT_SASYNC_CB; 792 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 793 csa.callback = cdasync; 794 csa.callback_arg = periph; 795 xpt_action((union ccb *)&csa); 796 797 /* 798 * If the target lun is greater than 0, we most likely have a CD 799 * changer device. Check the quirk entries as well, though, just 800 * in case someone has a CD tower with one lun per drive or 801 * something like that. Also, if we know up front that a 802 * particular device is a changer, we can mark it as such starting 803 * with lun 0, instead of lun 1. It shouldn't be necessary to have 804 * a quirk entry to define something as a changer, however. 805 */ 806 if (((cgd->ccb_h.target_lun > 0) 807 && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) 808 || ((softc->quirks & CD_Q_CHANGER) != 0)) { 809 struct cdchanger *nchanger; 810 struct cam_periph *nperiph; 811 struct cam_path *path; 812 cam_status status; 813 int found; 814 815 /* Set the changer flag in the current device's softc */ 816 softc->flags |= CD_FLAG_CHANGER; 817 818 if (num_changers == 0) 819 STAILQ_INIT(&changerq); 820 821 /* 822 * Now, look around for an existing changer device with the 823 * same path and target ID as the current device. 824 */ 825 for (found = 0, 826 nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); 827 nchanger != NULL; 828 nchanger = STAILQ_NEXT(nchanger, changer_links)){ 829 if ((nchanger->path_id == cgd->ccb_h.path_id) 830 && (nchanger->target_id == cgd->ccb_h.target_id)) { 831 found = 1; 832 break; 833 } 834 } 835 836 /* 837 * If we found a matching entry, just add this device to 838 * the list of devices on this changer. 839 */ 840 if (found == 1) { 841 struct chdevlist *chlunhead; 842 843 chlunhead = &nchanger->chluns; 844 845 /* 846 * XXX KDM look at consolidating this code with the 847 * code below in a separate function. 848 */ 849 850 /* 851 * Create a path with lun id 0, and see if we can 852 * find a matching device 853 */ 854 status = xpt_create_path(&path, /*periph*/ periph, 855 cgd->ccb_h.path_id, 856 cgd->ccb_h.target_id, 0); 857 858 if ((status == CAM_REQ_CMP) 859 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ 860 struct cd_softc *nsoftc; 861 862 nsoftc = (struct cd_softc *)nperiph->softc; 863 864 if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ 865 nsoftc->flags |= CD_FLAG_CHANGER; 866 nchanger->num_devices++; 867 if (camq_resize(&nchanger->devq, 868 nchanger->num_devices)!=CAM_REQ_CMP){ 869 printf("cdregister: " 870 "camq_resize " 871 "failed, changer " 872 "support may " 873 "be messed up\n"); 874 } 875 nsoftc->changer = nchanger; 876 nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; 877 878 STAILQ_INSERT_TAIL(&nchanger->chluns, 879 nsoftc,changer_links); 880 } 881 xpt_free_path(path); 882 } else if (status == CAM_REQ_CMP) 883 xpt_free_path(path); 884 else { 885 printf("cdregister: unable to allocate path\n" 886 "cdregister: changer support may be " 887 "broken\n"); 888 } 889 890 nchanger->num_devices++; 891 892 softc->changer = nchanger; 893 softc->pinfo.index = CAM_UNQUEUED_INDEX; 894 895 if (camq_resize(&nchanger->devq, 896 nchanger->num_devices) != CAM_REQ_CMP) { 897 printf("cdregister: camq_resize " 898 "failed, changer support may " 899 "be messed up\n"); 900 } 901 902 STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); 903 } 904 /* 905 * In this case, we don't already have an entry for this 906 * particular changer, so we need to create one, add it to 907 * the queue, and queue this device on the list for this 908 * changer. Before we queue this device, however, we need 909 * to search for lun id 0 on this target, and add it to the 910 * queue first, if it exists. (and if it hasn't already 911 * been marked as part of the changer.) 912 */ 913 else { 914 nchanger = malloc(sizeof(struct cdchanger), 915 M_DEVBUF, M_INTWAIT | M_ZERO); 916 917 if (camq_init(&nchanger->devq, 1) != 0) { 918 softc->flags &= ~CD_FLAG_CHANGER; 919 printf("cdregister: changer support " 920 "disabled\n"); 921 goto cdregisterexit; 922 } 923 924 num_changers++; 925 926 nchanger->path_id = cgd->ccb_h.path_id; 927 nchanger->target_id = cgd->ccb_h.target_id; 928 929 /* this is superfluous, but it makes things clearer */ 930 nchanger->num_devices = 0; 931 932 STAILQ_INIT(&nchanger->chluns); 933 934 STAILQ_INSERT_TAIL(&changerq, nchanger, 935 changer_links); 936 937 /* 938 * Create a path with lun id 0, and see if we can 939 * find a matching device 940 */ 941 status = xpt_create_path(&path, /*periph*/ periph, 942 cgd->ccb_h.path_id, 943 cgd->ccb_h.target_id, 0); 944 945 /* 946 * If we were able to allocate the path, and if we 947 * find a matching device and it isn't already 948 * marked as part of a changer, then we add it to 949 * the current changer. 950 */ 951 if ((status == CAM_REQ_CMP) 952 && ((nperiph = cam_periph_find(path, "cd")) != NULL) 953 && ((((struct cd_softc *)periph->softc)->flags & 954 CD_FLAG_CHANGER) == 0)) { 955 struct cd_softc *nsoftc; 956 957 nsoftc = (struct cd_softc *)nperiph->softc; 958 959 nsoftc->flags |= CD_FLAG_CHANGER; 960 nchanger->num_devices++; 961 if (camq_resize(&nchanger->devq, 962 nchanger->num_devices) != CAM_REQ_CMP) { 963 printf("cdregister: camq_resize " 964 "failed, changer support may " 965 "be messed up\n"); 966 } 967 nsoftc->changer = nchanger; 968 nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; 969 970 STAILQ_INSERT_TAIL(&nchanger->chluns, 971 nsoftc, changer_links); 972 xpt_free_path(path); 973 } else if (status == CAM_REQ_CMP) 974 xpt_free_path(path); 975 else { 976 printf("cdregister: unable to allocate path\n" 977 "cdregister: changer support may be " 978 "broken\n"); 979 } 980 981 softc->changer = nchanger; 982 softc->pinfo.index = CAM_UNQUEUED_INDEX; 983 nchanger->num_devices++; 984 if (camq_resize(&nchanger->devq, 985 nchanger->num_devices) != CAM_REQ_CMP) { 986 printf("cdregister: camq_resize " 987 "failed, changer support may " 988 "be messed up\n"); 989 } 990 STAILQ_INSERT_TAIL(&nchanger->chluns, softc, 991 changer_links); 992 } 993 } 994 995 cdregisterexit: 996 997 /* Lock this peripheral until we are setup */ 998 /* Can't block */ 999 cam_periph_lock(periph, 0); 1000 1001 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1002 xpt_schedule(periph, /*priority*/5); 1003 else 1004 cdschedule(periph, /*priority*/ 5); 1005 1006 return(CAM_REQ_CMP); 1007 } 1008 1009 static int 1010 cdopen(dev_t dev, int flags, int fmt, struct thread *td) 1011 { 1012 struct cam_periph *periph; 1013 struct cd_softc *softc; 1014 int unit, error; 1015 int s; 1016 1017 unit = dkunit(dev); 1018 periph = cam_extend_get(cdperiphs, unit); 1019 1020 if (periph == NULL) 1021 return (ENXIO); 1022 1023 softc = (struct cd_softc *)periph->softc; 1024 1025 /* 1026 * Grab splsoftcam and hold it until we lock the peripheral. 1027 */ 1028 s = splsoftcam(); 1029 if (softc->flags & CD_FLAG_INVALID) { 1030 splx(s); 1031 return(ENXIO); 1032 } 1033 1034 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 1035 splx(s); 1036 return (error); 1037 } 1038 1039 splx(s); 1040 1041 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1042 return(ENXIO); 1043 1044 /* 1045 * Check for media, and set the appropriate flags. We don't bail 1046 * if we don't have media, but then we don't allow anything but the 1047 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 1048 * 1049 * XXX KDM for now, we do fail the open if we don't have media. We 1050 * can change this once we've figured out how to make the slice 1051 * code work well with media changing underneath it. 1052 */ 1053 error = cdcheckmedia(periph); 1054 1055 if (error == 0) 1056 softc->flags |= CD_FLAG_OPEN; 1057 1058 cam_periph_unlock(periph); 1059 1060 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 1061 1062 return (error); 1063 } 1064 1065 static int 1066 cdclose(dev_t dev, int flag, int fmt, struct thread *td) 1067 { 1068 struct cam_periph *periph; 1069 struct cd_softc *softc; 1070 int unit, error; 1071 1072 unit = dkunit(dev); 1073 periph = cam_extend_get(cdperiphs, unit); 1074 if (periph == NULL) 1075 return (ENXIO); 1076 1077 softc = (struct cd_softc *)periph->softc; 1078 1079 if ((error = cam_periph_lock(periph, 0)) != 0) 1080 return (error); 1081 1082 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 1083 cdprevent(periph, PR_ALLOW); 1084 1085 /* 1086 * Unconditionally set the dsopen() flags back to their default 1087 * state. 1088 */ 1089 softc->disk.d_dsflags &= ~DSO_NOLABELS; 1090 softc->disk.d_dsflags |= DSO_COMPATLABEL; 1091 1092 /* 1093 * Since we're closing this CD, mark the blocksize as unavailable. 1094 * It will be marked as available when the CD is opened again. 1095 */ 1096 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 1097 1098 /* 1099 * We'll check the media and toc again at the next open(). 1100 */ 1101 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 1102 1103 softc->flags &= ~CD_FLAG_OPEN; 1104 1105 cam_periph_unlock(periph); 1106 cam_periph_release(periph); 1107 1108 return (0); 1109 } 1110 1111 static void 1112 cdshorttimeout(void *arg) 1113 { 1114 struct cdchanger *changer; 1115 int s; 1116 1117 s = splsoftcam(); 1118 1119 changer = (struct cdchanger *)arg; 1120 1121 /* Always clear the short timeout flag, since that's what we're in */ 1122 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1123 1124 /* 1125 * Check to see if there is any more pending or outstanding I/O for 1126 * this device. If not, move it out of the active slot. 1127 */ 1128 if ((bufq_first(&changer->cur_device->buf_queue) == NULL) 1129 && (changer->cur_device->device_stats.busy_count == 0)) { 1130 changer->flags |= CHANGER_MANUAL_CALL; 1131 cdrunchangerqueue(changer); 1132 } 1133 1134 splx(s); 1135 } 1136 1137 /* 1138 * This is a wrapper for xpt_schedule. It only applies to changers. 1139 */ 1140 static void 1141 cdschedule(struct cam_periph *periph, int priority) 1142 { 1143 struct cd_softc *softc; 1144 int s; 1145 1146 s = splsoftcam(); 1147 1148 softc = (struct cd_softc *)periph->softc; 1149 1150 /* 1151 * If this device isn't currently queued, and if it isn't 1152 * the active device, then we queue this device and run the 1153 * changer queue if there is no timeout scheduled to do it. 1154 * If this device is the active device, just schedule it 1155 * to run again. If this device is queued, there should be 1156 * a timeout in place already that will make sure it runs. 1157 */ 1158 if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 1159 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { 1160 /* 1161 * We don't do anything with the priority here. 1162 * This is strictly a fifo queue. 1163 */ 1164 softc->pinfo.priority = 1; 1165 softc->pinfo.generation = ++softc->changer->devq.generation; 1166 camq_insert(&softc->changer->devq, (cam_pinfo *)softc); 1167 1168 /* 1169 * Since we just put a device in the changer queue, 1170 * check and see if there is a timeout scheduled for 1171 * this changer. If so, let the timeout handle 1172 * switching this device into the active slot. If 1173 * not, manually call the timeout routine to 1174 * bootstrap things. 1175 */ 1176 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1177 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1178 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ 1179 softc->changer->flags |= CHANGER_MANUAL_CALL; 1180 cdrunchangerqueue(softc->changer); 1181 } 1182 } else if ((softc->flags & CD_FLAG_ACTIVE) 1183 && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) 1184 xpt_schedule(periph, priority); 1185 1186 splx(s); 1187 1188 } 1189 1190 static void 1191 cdrunchangerqueue(void *arg) 1192 { 1193 struct cd_softc *softc; 1194 struct cdchanger *changer; 1195 int called_from_timeout; 1196 int s; 1197 1198 s = splsoftcam(); 1199 1200 changer = (struct cdchanger *)arg; 1201 1202 /* 1203 * If we have NOT been called from cdstrategy() or cddone(), and 1204 * instead from a timeout routine, go ahead and clear the 1205 * timeout flag. 1206 */ 1207 if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { 1208 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1209 called_from_timeout = 1; 1210 } else 1211 called_from_timeout = 0; 1212 1213 /* Always clear the manual call flag */ 1214 changer->flags &= ~CHANGER_MANUAL_CALL; 1215 1216 /* nothing to do if the queue is empty */ 1217 if (changer->devq.entries <= 0) { 1218 splx(s); 1219 return; 1220 } 1221 1222 /* 1223 * If the changer queue is frozen, that means we have an active 1224 * device. 1225 */ 1226 if (changer->devq.qfrozen_cnt > 0) { 1227 1228 if (changer->cur_device->device_stats.busy_count > 0) { 1229 changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; 1230 changer->cur_device->bufs_left = 1231 changer->cur_device->device_stats.busy_count; 1232 if (called_from_timeout) { 1233 changer->long_handle = 1234 timeout(cdrunchangerqueue, changer, 1235 changer_max_busy_seconds * hz); 1236 changer->flags |= CHANGER_TIMEOUT_SCHED; 1237 } 1238 splx(s); 1239 return; 1240 } 1241 1242 /* 1243 * We always need to reset the frozen count and clear the 1244 * active flag. 1245 */ 1246 changer->devq.qfrozen_cnt--; 1247 changer->cur_device->flags &= ~CD_FLAG_ACTIVE; 1248 changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; 1249 1250 /* 1251 * Check to see whether the current device has any I/O left 1252 * to do. If so, requeue it at the end of the queue. If 1253 * not, there is no need to requeue it. 1254 */ 1255 if (bufq_first(&changer->cur_device->buf_queue) != NULL) { 1256 1257 changer->cur_device->pinfo.generation = 1258 ++changer->devq.generation; 1259 camq_insert(&changer->devq, 1260 (cam_pinfo *)changer->cur_device); 1261 } 1262 } 1263 1264 softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); 1265 1266 changer->cur_device = softc; 1267 1268 changer->devq.qfrozen_cnt++; 1269 softc->flags |= CD_FLAG_ACTIVE; 1270 1271 /* Just in case this device is waiting */ 1272 wakeup(&softc->changer); 1273 xpt_schedule(softc->periph, /*priority*/ 1); 1274 1275 /* 1276 * Get rid of any pending timeouts, and set a flag to schedule new 1277 * ones so this device gets its full time quantum. 1278 */ 1279 if (changer->flags & CHANGER_TIMEOUT_SCHED) { 1280 untimeout(cdrunchangerqueue, changer, changer->long_handle); 1281 changer->flags &= ~CHANGER_TIMEOUT_SCHED; 1282 } 1283 1284 if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { 1285 untimeout(cdshorttimeout, changer, changer->short_handle); 1286 changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; 1287 } 1288 1289 /* 1290 * We need to schedule timeouts, but we only do this after the 1291 * first transaction has completed. This eliminates the changer 1292 * switch time. 1293 */ 1294 changer->flags |= CHANGER_NEED_TIMEOUT; 1295 1296 splx(s); 1297 } 1298 1299 static void 1300 cdchangerschedule(struct cd_softc *softc) 1301 { 1302 struct cdchanger *changer; 1303 int s; 1304 1305 s = splsoftcam(); 1306 1307 changer = softc->changer; 1308 1309 /* 1310 * If this is a changer, and this is the current device, 1311 * and this device has at least the minimum time quantum to 1312 * run, see if we can switch it out. 1313 */ 1314 if ((softc->flags & CD_FLAG_ACTIVE) 1315 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) 1316 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { 1317 /* 1318 * We try three things here. The first is that we 1319 * check to see whether the schedule on completion 1320 * flag is set. If it is, we decrement the number 1321 * of buffers left, and if it's zero, we reschedule. 1322 * Next, we check to see whether the pending buffer 1323 * queue is empty and whether there are no 1324 * outstanding transactions. If so, we reschedule. 1325 * Next, we see if the pending buffer queue is empty. 1326 * If it is, we set the number of buffers left to 1327 * the current active buffer count and set the 1328 * schedule on complete flag. 1329 */ 1330 if (softc->flags & CD_FLAG_SCHED_ON_COMP) { 1331 if (--softc->bufs_left == 0) { 1332 softc->changer->flags |= 1333 CHANGER_MANUAL_CALL; 1334 softc->flags &= ~CD_FLAG_SCHED_ON_COMP; 1335 cdrunchangerqueue(softc->changer); 1336 } 1337 } else if ((bufq_first(&softc->buf_queue) == NULL) 1338 && (softc->device_stats.busy_count == 0)) { 1339 softc->changer->flags |= CHANGER_MANUAL_CALL; 1340 cdrunchangerqueue(softc->changer); 1341 } 1342 } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 1343 && (softc->flags & CD_FLAG_ACTIVE)) { 1344 1345 /* 1346 * Now that the first transaction to this 1347 * particular device has completed, we can go ahead 1348 * and schedule our timeouts. 1349 */ 1350 if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { 1351 changer->long_handle = 1352 timeout(cdrunchangerqueue, changer, 1353 changer_max_busy_seconds * hz); 1354 changer->flags |= CHANGER_TIMEOUT_SCHED; 1355 } else 1356 printf("cdchangerschedule: already have a long" 1357 " timeout!\n"); 1358 1359 if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { 1360 changer->short_handle = 1361 timeout(cdshorttimeout, changer, 1362 changer_min_busy_seconds * hz); 1363 changer->flags |= CHANGER_SHORT_TMOUT_SCHED; 1364 } else 1365 printf("cdchangerschedule: already have a short " 1366 "timeout!\n"); 1367 1368 /* 1369 * We just scheduled timeouts, no need to schedule 1370 * more. 1371 */ 1372 changer->flags &= ~CHANGER_NEED_TIMEOUT; 1373 1374 } 1375 splx(s); 1376 } 1377 1378 static int 1379 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 1380 u_int32_t cam_flags, 1381 u_int32_t sense_flags), 1382 u_int32_t cam_flags, u_int32_t sense_flags) 1383 { 1384 struct cd_softc *softc; 1385 struct cam_periph *periph; 1386 int error; 1387 1388 periph = xpt_path_periph(ccb->ccb_h.path); 1389 softc = (struct cd_softc *)periph->softc; 1390 1391 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 1392 &softc->device_stats); 1393 1394 if (softc->flags & CD_FLAG_CHANGER) 1395 cdchangerschedule(softc); 1396 1397 return(error); 1398 } 1399 1400 static union ccb * 1401 cdgetccb(struct cam_periph *periph, u_int32_t priority) 1402 { 1403 struct cd_softc *softc; 1404 int s; 1405 1406 softc = (struct cd_softc *)periph->softc; 1407 1408 if (softc->flags & CD_FLAG_CHANGER) { 1409 1410 s = splsoftcam(); 1411 1412 /* 1413 * This should work the first time this device is woken up, 1414 * but just in case it doesn't, we use a while loop. 1415 */ 1416 while ((softc->flags & CD_FLAG_ACTIVE) == 0) { 1417 /* 1418 * If this changer isn't already queued, queue it up. 1419 */ 1420 if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { 1421 softc->pinfo.priority = 1; 1422 softc->pinfo.generation = 1423 ++softc->changer->devq.generation; 1424 camq_insert(&softc->changer->devq, 1425 (cam_pinfo *)softc); 1426 } 1427 if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) 1428 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) 1429 && ((softc->changer->flags 1430 & CHANGER_SHORT_TMOUT_SCHED)==0)) { 1431 softc->changer->flags |= CHANGER_MANUAL_CALL; 1432 cdrunchangerqueue(softc->changer); 1433 } else 1434 tsleep(&softc->changer, 0, "cgticb", 0); 1435 } 1436 splx(s); 1437 } 1438 return(cam_periph_getccb(periph, priority)); 1439 } 1440 1441 1442 /* 1443 * Actually translate the requested transfer into one the physical driver 1444 * can understand. The transfer is described by a buf and will include 1445 * only one physical transfer. 1446 */ 1447 static void 1448 cdstrategy(struct buf *bp) 1449 { 1450 struct cam_periph *periph; 1451 struct cd_softc *softc; 1452 u_int unit, part; 1453 int s; 1454 1455 unit = dkunit(bp->b_dev); 1456 part = dkpart(bp->b_dev); 1457 periph = cam_extend_get(cdperiphs, unit); 1458 if (periph == NULL) { 1459 bp->b_error = ENXIO; 1460 goto bad; 1461 } 1462 1463 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n")); 1464 1465 softc = (struct cd_softc *)periph->softc; 1466 1467 /* 1468 * Mask interrupts so that the pack cannot be invalidated until 1469 * after we are in the queue. Otherwise, we might not properly 1470 * clean up one of the buffers. 1471 */ 1472 s = splbio(); 1473 1474 /* 1475 * If the device has been made invalid, error out 1476 */ 1477 if ((softc->flags & CD_FLAG_INVALID)) { 1478 splx(s); 1479 bp->b_error = ENXIO; 1480 goto bad; 1481 } 1482 1483 /* 1484 * If we don't have valid media, look for it before trying to 1485 * schedule the I/O. 1486 */ 1487 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 1488 int error; 1489 1490 error = cdcheckmedia(periph); 1491 if (error != 0) { 1492 splx(s); 1493 bp->b_error = error; 1494 goto bad; 1495 } 1496 } 1497 1498 /* 1499 * Place it in the queue of disk activities for this disk 1500 */ 1501 bufqdisksort(&softc->buf_queue, bp); 1502 1503 splx(s); 1504 1505 /* 1506 * Schedule ourselves for performing the work. We do things 1507 * differently for changers. 1508 */ 1509 if ((softc->flags & CD_FLAG_CHANGER) == 0) 1510 xpt_schedule(periph, /* XXX priority */1); 1511 else 1512 cdschedule(periph, /* priority */ 1); 1513 1514 return; 1515 bad: 1516 bp->b_flags |= B_ERROR; 1517 /* 1518 * Correctly set the buf to indicate a completed xfer 1519 */ 1520 bp->b_resid = bp->b_bcount; 1521 biodone(bp); 1522 return; 1523 } 1524 1525 static void 1526 cdstart(struct cam_periph *periph, union ccb *start_ccb) 1527 { 1528 struct cd_softc *softc; 1529 struct buf *bp; 1530 struct ccb_scsiio *csio; 1531 struct scsi_read_capacity_data *rcap; 1532 int s; 1533 1534 softc = (struct cd_softc *)periph->softc; 1535 1536 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 1537 1538 switch (softc->state) { 1539 case CD_STATE_NORMAL: 1540 { 1541 int oldspl; 1542 1543 s = splbio(); 1544 bp = bufq_first(&softc->buf_queue); 1545 if (periph->immediate_priority <= periph->pinfo.priority) { 1546 start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; 1547 1548 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1549 periph_links.sle); 1550 periph->immediate_priority = CAM_PRIORITY_NONE; 1551 splx(s); 1552 wakeup(&periph->ccb_list); 1553 } else if (bp == NULL) { 1554 splx(s); 1555 xpt_release_ccb(start_ccb); 1556 } else { 1557 bufq_remove(&softc->buf_queue, bp); 1558 1559 devstat_start_transaction(&softc->device_stats); 1560 1561 scsi_read_write(&start_ccb->csio, 1562 /*retries*/4, 1563 /* cbfcnp */ cddone, 1564 (bp->b_flags & B_ORDERED) != 0 ? 1565 MSG_ORDERED_Q_TAG : 1566 MSG_SIMPLE_Q_TAG, 1567 /* read */bp->b_flags & B_READ, 1568 /* byte2 */ 0, 1569 /* minimum_cmd_size */ 10, 1570 /* lba */ bp->b_pblkno, 1571 bp->b_bcount / softc->params.blksize, 1572 /* data_ptr */ bp->b_data, 1573 /* dxfer_len */ bp->b_bcount, 1574 /* sense_len */ SSD_FULL_SIZE, 1575 /* timeout */ 30000); 1576 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 1577 1578 1579 /* 1580 * Block out any asyncronous callbacks 1581 * while we touch the pending ccb list. 1582 */ 1583 oldspl = splcam(); 1584 LIST_INSERT_HEAD(&softc->pending_ccbs, 1585 &start_ccb->ccb_h, periph_links.le); 1586 splx(oldspl); 1587 1588 /* We expect a unit attention from this device */ 1589 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 1590 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 1591 softc->flags &= ~CD_FLAG_RETRY_UA; 1592 } 1593 1594 start_ccb->ccb_h.ccb_bp = bp; 1595 bp = bufq_first(&softc->buf_queue); 1596 splx(s); 1597 1598 xpt_action(start_ccb); 1599 } 1600 if (bp != NULL) { 1601 /* Have more work to do, so ensure we stay scheduled */ 1602 xpt_schedule(periph, /* XXX priority */1); 1603 } 1604 break; 1605 } 1606 case CD_STATE_PROBE: 1607 { 1608 1609 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT); 1610 csio = &start_ccb->csio; 1611 scsi_read_capacity(csio, 1612 /*retries*/1, 1613 cddone, 1614 MSG_SIMPLE_Q_TAG, 1615 rcap, 1616 SSD_FULL_SIZE, 1617 /*timeout*/20000); 1618 start_ccb->ccb_h.ccb_bp = NULL; 1619 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 1620 xpt_action(start_ccb); 1621 break; 1622 } 1623 } 1624 } 1625 1626 static void 1627 cddone(struct cam_periph *periph, union ccb *done_ccb) 1628 { 1629 struct cd_softc *softc; 1630 struct ccb_scsiio *csio; 1631 1632 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1633 1634 softc = (struct cd_softc *)periph->softc; 1635 csio = &done_ccb->csio; 1636 1637 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1638 case CD_CCB_BUFFER_IO: 1639 { 1640 struct buf *bp; 1641 int error; 1642 int oldspl; 1643 1644 bp = (struct buf *)done_ccb->ccb_h.ccb_bp; 1645 error = 0; 1646 1647 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1648 int sf; 1649 1650 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1651 sf = SF_RETRY_UA; 1652 else 1653 sf = 0; 1654 1655 /* Retry selection timeouts */ 1656 sf |= SF_RETRY_SELTO; 1657 1658 if ((error = cderror(done_ccb, 0, sf)) == ERESTART) { 1659 /* 1660 * A retry was scheuled, so 1661 * just return. 1662 */ 1663 return; 1664 } 1665 } 1666 1667 if (error != 0) { 1668 int s; 1669 struct buf *q_bp; 1670 1671 xpt_print_path(periph->path); 1672 printf("cddone: got error %#x back\n", error); 1673 s = splbio(); 1674 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) { 1675 bufq_remove(&softc->buf_queue, q_bp); 1676 q_bp->b_resid = q_bp->b_bcount; 1677 q_bp->b_error = EIO; 1678 q_bp->b_flags |= B_ERROR; 1679 biodone(q_bp); 1680 } 1681 splx(s); 1682 bp->b_resid = bp->b_bcount; 1683 bp->b_error = error; 1684 bp->b_flags |= B_ERROR; 1685 cam_release_devq(done_ccb->ccb_h.path, 1686 /*relsim_flags*/0, 1687 /*reduction*/0, 1688 /*timeout*/0, 1689 /*getcount_only*/0); 1690 1691 } else { 1692 bp->b_resid = csio->resid; 1693 bp->b_error = 0; 1694 if (bp->b_resid != 0) { 1695 /* Short transfer ??? */ 1696 bp->b_flags |= B_ERROR; 1697 } 1698 } 1699 1700 /* 1701 * Block out any asyncronous callbacks 1702 * while we touch the pending ccb list. 1703 */ 1704 oldspl = splcam(); 1705 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1706 splx(oldspl); 1707 1708 if (softc->flags & CD_FLAG_CHANGER) 1709 cdchangerschedule(softc); 1710 1711 devstat_end_transaction_buf(&softc->device_stats, bp); 1712 biodone(bp); 1713 break; 1714 } 1715 case CD_CCB_PROBE: 1716 { 1717 struct scsi_read_capacity_data *rdcap; 1718 char announce_buf[120]; /* 1719 * Currently (9/30/97) the 1720 * longest possible announce 1721 * buffer is 108 bytes, for the 1722 * first error case below. 1723 * That is 39 bytes for the 1724 * basic string, 16 bytes for the 1725 * biggest sense key (hardware 1726 * error), 52 bytes for the 1727 * text of the largest sense 1728 * qualifier valid for a CDROM, 1729 * (0x72, 0x03 or 0x04, 1730 * 0x03), and one byte for the 1731 * null terminating character. 1732 * To allow for longer strings, 1733 * the announce buffer is 120 1734 * bytes. 1735 */ 1736 struct cd_params *cdp; 1737 1738 cdp = &softc->params; 1739 1740 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1741 1742 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1743 cdp->blksize = scsi_4btoul (rdcap->length); 1744 1745 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1746 1747 snprintf(announce_buf, sizeof(announce_buf), 1748 "cd present [%lu x %lu byte records]", 1749 cdp->disksize, (u_long)cdp->blksize); 1750 1751 } else { 1752 int error; 1753 /* 1754 * Retry any UNIT ATTENTION type errors. They 1755 * are expected at boot. 1756 */ 1757 error = cderror(done_ccb, 0, SF_RETRY_UA | 1758 SF_NO_PRINT | SF_RETRY_SELTO); 1759 if (error == ERESTART) { 1760 /* 1761 * A retry was scheuled, so 1762 * just return. 1763 */ 1764 return; 1765 } else if (error != 0) { 1766 1767 struct scsi_sense_data *sense; 1768 int asc, ascq; 1769 int sense_key, error_code; 1770 int have_sense; 1771 cam_status status; 1772 struct ccb_getdev cgd; 1773 1774 /* Don't wedge this device's queue */ 1775 cam_release_devq(done_ccb->ccb_h.path, 1776 /*relsim_flags*/0, 1777 /*reduction*/0, 1778 /*timeout*/0, 1779 /*getcount_only*/0); 1780 1781 status = done_ccb->ccb_h.status; 1782 1783 xpt_setup_ccb(&cgd.ccb_h, 1784 done_ccb->ccb_h.path, 1785 /* priority */ 1); 1786 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1787 xpt_action((union ccb *)&cgd); 1788 1789 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1790 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1791 || ((status & CAM_AUTOSNS_VALID) == 0)) 1792 have_sense = FALSE; 1793 else 1794 have_sense = TRUE; 1795 1796 if (have_sense) { 1797 sense = &csio->sense_data; 1798 scsi_extract_sense(sense, &error_code, 1799 &sense_key, 1800 &asc, &ascq); 1801 } 1802 /* 1803 * Attach to anything that claims to be a 1804 * CDROM or WORM device, as long as it 1805 * doesn't return a "Logical unit not 1806 * supported" (0x25) error. 1807 */ 1808 if ((have_sense) && (asc != 0x25) 1809 && (error_code == SSD_CURRENT_ERROR)) 1810 snprintf(announce_buf, 1811 sizeof(announce_buf), 1812 "Attempt to query device " 1813 "size failed: %s, %s", 1814 scsi_sense_key_text[sense_key], 1815 scsi_sense_desc(asc,ascq, 1816 &cgd.inq_data)); 1817 else if ((have_sense == 0) 1818 && ((status & CAM_STATUS_MASK) == 1819 CAM_SCSI_STATUS_ERROR) 1820 && (csio->scsi_status == 1821 SCSI_STATUS_BUSY)) { 1822 snprintf(announce_buf, 1823 sizeof(announce_buf), 1824 "Attempt to query device " 1825 "size failed: SCSI status: BUSY"); 1826 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1827 /* 1828 * We only print out an error for 1829 * CDROM type devices. For WORM 1830 * devices, we don't print out an 1831 * error since a few WORM devices 1832 * don't support CDROM commands. 1833 * If we have sense information, go 1834 * ahead and print it out. 1835 * Otherwise, just say that we 1836 * couldn't attach. 1837 */ 1838 1839 /* 1840 * Just print out the error, not 1841 * the full probe message, when we 1842 * don't attach. 1843 */ 1844 if (have_sense) 1845 scsi_sense_print( 1846 &done_ccb->csio); 1847 else { 1848 xpt_print_path(periph->path); 1849 printf("got CAM status %#x\n", 1850 done_ccb->ccb_h.status); 1851 } 1852 xpt_print_path(periph->path); 1853 printf("fatal error, failed" 1854 " to attach to device\n"); 1855 1856 /* 1857 * Invalidate this peripheral. 1858 */ 1859 cam_periph_invalidate(periph); 1860 1861 announce_buf[0] = '\0'; 1862 } else { 1863 1864 /* 1865 * Invalidate this peripheral. 1866 */ 1867 cam_periph_invalidate(periph); 1868 announce_buf[0] = '\0'; 1869 } 1870 } 1871 } 1872 free(rdcap, M_TEMP); 1873 if (announce_buf[0] != '\0') { 1874 xpt_announce_periph(periph, announce_buf); 1875 if (softc->flags & CD_FLAG_CHANGER) 1876 cdchangerschedule(softc); 1877 /* 1878 * Create our sysctl variables, now that we know 1879 * we have successfully attached. 1880 */ 1881 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1882 } 1883 softc->state = CD_STATE_NORMAL; 1884 /* 1885 * Since our peripheral may be invalidated by an error 1886 * above or an external event, we must release our CCB 1887 * before releasing the probe lock on the peripheral. 1888 * The peripheral will only go away once the last lock 1889 * is removed, and we need it around for the CCB release 1890 * operation. 1891 */ 1892 xpt_release_ccb(done_ccb); 1893 cam_periph_unlock(periph); 1894 return; 1895 } 1896 case CD_CCB_WAITING: 1897 { 1898 /* Caller will release the CCB */ 1899 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1900 ("trying to wakeup ccbwait\n")); 1901 1902 wakeup(&done_ccb->ccb_h.cbfcnp); 1903 return; 1904 } 1905 default: 1906 break; 1907 } 1908 xpt_release_ccb(done_ccb); 1909 } 1910 1911 static union cd_pages * 1912 cdgetpage(struct cd_mode_params *mode_params) 1913 { 1914 union cd_pages *page; 1915 1916 if (mode_params->cdb_size == 10) 1917 page = (union cd_pages *)find_mode_page_10( 1918 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1919 else 1920 page = (union cd_pages *)find_mode_page_6( 1921 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1922 1923 return (page); 1924 } 1925 1926 static int 1927 cdgetpagesize(int page_num) 1928 { 1929 int i; 1930 1931 for (i = 0; i < (sizeof(cd_page_size_table)/ 1932 sizeof(cd_page_size_table[0])); i++) { 1933 if (cd_page_size_table[i].page == page_num) 1934 return (cd_page_size_table[i].page_size); 1935 } 1936 return (-1); 1937 } 1938 1939 static int 1940 cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1941 { 1942 1943 struct cam_periph *periph; 1944 struct cd_softc *softc; 1945 int error, unit; 1946 1947 unit = dkunit(dev); 1948 1949 periph = cam_extend_get(cdperiphs, unit); 1950 if (periph == NULL) 1951 return(ENXIO); 1952 1953 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n")); 1954 1955 softc = (struct cd_softc *)periph->softc; 1956 1957 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1958 ("trying to do ioctl %#lx\n", cmd)); 1959 1960 error = cam_periph_lock(periph, PCATCH); 1961 1962 if (error != 0) 1963 return(error); 1964 1965 /* 1966 * If we don't have media loaded, check for it. If still don't 1967 * have media loaded, we can only do a load or eject. 1968 */ 1969 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1970 && ((cmd != CDIOCCLOSE) 1971 && (cmd != CDIOCEJECT))) { 1972 error = cdcheckmedia(periph); 1973 if (error != 0) { 1974 cam_periph_unlock(periph); 1975 return (error); 1976 } 1977 } 1978 1979 switch (cmd) { 1980 1981 case CDIOCPLAYTRACKS: 1982 { 1983 struct ioc_play_track *args 1984 = (struct ioc_play_track *) addr; 1985 struct cd_mode_params params; 1986 union cd_pages *page; 1987 1988 params.alloc_len = sizeof(union cd_mode_data_6_10); 1989 params.mode_buf = malloc(params.alloc_len, M_TEMP, 1990 M_INTWAIT | M_ZERO); 1991 1992 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1993 ("trying to do CDIOCPLAYTRACKS\n")); 1994 1995 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1996 if (error) { 1997 free(params.mode_buf, M_TEMP); 1998 break; 1999 } 2000 page = cdgetpage(¶ms); 2001 2002 page->audio.flags &= ~CD_PA_SOTC; 2003 page->audio.flags |= CD_PA_IMMED; 2004 error = cdsetmode(periph, ¶ms); 2005 free(params.mode_buf, M_TEMP); 2006 if (error) 2007 break; 2008 2009 /* 2010 * This was originally implemented with the PLAY 2011 * AUDIO TRACK INDEX command, but that command was 2012 * deprecated after SCSI-2. Most (all?) SCSI CDROM 2013 * drives support it but ATAPI and ATAPI-derivative 2014 * drives don't seem to support it. So we keep a 2015 * cache of the table of contents and translate 2016 * track numbers to MSF format. 2017 */ 2018 if (softc->flags & CD_FLAG_VALID_TOC) { 2019 union msf_lba *sentry, *eentry; 2020 int st, et; 2021 2022 if (args->end_track < 2023 softc->toc.header.ending_track + 1) 2024 args->end_track++; 2025 if (args->end_track > 2026 softc->toc.header.ending_track + 1) 2027 args->end_track = 2028 softc->toc.header.ending_track + 1; 2029 st = args->start_track - 2030 softc->toc.header.starting_track; 2031 et = args->end_track - 2032 softc->toc.header.starting_track; 2033 if ((st < 0) 2034 || (et < 0) 2035 || (st > (softc->toc.header.ending_track - 2036 softc->toc.header.starting_track))) { 2037 error = EINVAL; 2038 break; 2039 } 2040 sentry = &softc->toc.entries[st].addr; 2041 eentry = &softc->toc.entries[et].addr; 2042 error = cdplaymsf(periph, 2043 sentry->msf.minute, 2044 sentry->msf.second, 2045 sentry->msf.frame, 2046 eentry->msf.minute, 2047 eentry->msf.second, 2048 eentry->msf.frame); 2049 } else { 2050 /* 2051 * If we don't have a valid TOC, try the 2052 * play track index command. It is part of 2053 * the SCSI-2 spec, but was removed in the 2054 * MMC specs. ATAPI and ATAPI-derived 2055 * drives don't support it. 2056 */ 2057 if (softc->quirks & CD_Q_BCD_TRACKS) { 2058 args->start_track = 2059 bin2bcd(args->start_track); 2060 args->end_track = 2061 bin2bcd(args->end_track); 2062 } 2063 error = cdplaytracks(periph, 2064 args->start_track, 2065 args->start_index, 2066 args->end_track, 2067 args->end_index); 2068 } 2069 } 2070 break; 2071 case CDIOCPLAYMSF: 2072 { 2073 struct ioc_play_msf *args 2074 = (struct ioc_play_msf *) addr; 2075 struct cd_mode_params params; 2076 union cd_pages *page; 2077 2078 params.alloc_len = sizeof(union cd_mode_data_6_10); 2079 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2080 M_INTWAIT | M_ZERO); 2081 2082 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2083 ("trying to do CDIOCPLAYMSF\n")); 2084 2085 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2086 if (error) { 2087 free(params.mode_buf, M_TEMP); 2088 break; 2089 } 2090 page = cdgetpage(¶ms); 2091 2092 page->audio.flags &= ~CD_PA_SOTC; 2093 page->audio.flags |= CD_PA_IMMED; 2094 error = cdsetmode(periph, ¶ms); 2095 free(params.mode_buf, M_TEMP); 2096 if (error) 2097 break; 2098 error = cdplaymsf(periph, 2099 args->start_m, 2100 args->start_s, 2101 args->start_f, 2102 args->end_m, 2103 args->end_s, 2104 args->end_f); 2105 } 2106 break; 2107 case CDIOCPLAYBLOCKS: 2108 { 2109 struct ioc_play_blocks *args 2110 = (struct ioc_play_blocks *) addr; 2111 struct cd_mode_params params; 2112 union cd_pages *page; 2113 2114 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2115 ("trying to do CDIOCPLAYBLOCKS\n")); 2116 2117 params.alloc_len = sizeof(union cd_mode_data_6_10); 2118 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2119 M_INTWAIT | M_ZERO); 2120 2121 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2122 if (error) { 2123 free(params.mode_buf, M_TEMP); 2124 break; 2125 } 2126 page = cdgetpage(¶ms); 2127 2128 page->audio.flags &= ~CD_PA_SOTC; 2129 page->audio.flags |= CD_PA_IMMED; 2130 error = cdsetmode(periph, ¶ms); 2131 free(params.mode_buf, M_TEMP); 2132 if (error) 2133 break; 2134 error = cdplay(periph, args->blk, args->len); 2135 } 2136 break; 2137 case CDIOCREADSUBCHANNEL: 2138 { 2139 struct ioc_read_subchannel *args 2140 = (struct ioc_read_subchannel *) addr; 2141 struct cd_sub_channel_info *data; 2142 u_int32_t len = args->data_len; 2143 2144 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2145 ("trying to do CDIOCREADSUBCHANNEL\n")); 2146 2147 data = malloc(sizeof(struct cd_sub_channel_info), 2148 M_TEMP, M_INTWAIT); 2149 2150 if ((len > sizeof(struct cd_sub_channel_info)) || 2151 (len < sizeof(struct cd_sub_channel_header))) { 2152 printf( 2153 "scsi_cd: cdioctl: " 2154 "cdioreadsubchannel: error, len=%d\n", 2155 len); 2156 error = EINVAL; 2157 free(data, M_TEMP); 2158 break; 2159 } 2160 2161 if (softc->quirks & CD_Q_BCD_TRACKS) 2162 args->track = bin2bcd(args->track); 2163 2164 error = cdreadsubchannel(periph, args->address_format, 2165 args->data_format, args->track, data, len); 2166 2167 if (error) { 2168 free(data, M_TEMP); 2169 break; 2170 } 2171 if (softc->quirks & CD_Q_BCD_TRACKS) 2172 data->what.track_info.track_number = 2173 bcd2bin(data->what.track_info.track_number); 2174 len = min(len, ((data->header.data_len[0] << 8) + 2175 data->header.data_len[1] + 2176 sizeof(struct cd_sub_channel_header))); 2177 if (copyout(data, args->data, len) != 0) { 2178 error = EFAULT; 2179 } 2180 free(data, M_TEMP); 2181 } 2182 break; 2183 2184 case CDIOREADTOCHEADER: 2185 { 2186 struct ioc_toc_header *th; 2187 2188 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2189 ("trying to do CDIOREADTOCHEADER\n")); 2190 2191 th = malloc(sizeof(struct ioc_toc_header), M_TEMP, 2192 M_INTWAIT); 2193 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2194 sizeof (*th), /*sense_flags*/0); 2195 if (error) { 2196 free(th, M_TEMP); 2197 break; 2198 } 2199 if (softc->quirks & CD_Q_BCD_TRACKS) { 2200 /* we are going to have to convert the BCD 2201 * encoding on the cd to what is expected 2202 */ 2203 th->starting_track = 2204 bcd2bin(th->starting_track); 2205 th->ending_track = bcd2bin(th->ending_track); 2206 } 2207 NTOHS(th->len); 2208 bcopy(th, addr, sizeof(*th)); 2209 free(th, M_TEMP); 2210 } 2211 break; 2212 case CDIOREADTOCENTRYS: 2213 { 2214 struct cd_tocdata *data; 2215 struct cd_toc_single *lead; 2216 struct ioc_read_toc_entry *te = 2217 (struct ioc_read_toc_entry *) addr; 2218 struct ioc_toc_header *th; 2219 u_int32_t len, readlen, idx, num; 2220 u_int32_t starting_track = te->starting_track; 2221 2222 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2223 ("trying to do CDIOREADTOCENTRYS\n")); 2224 2225 data = malloc(sizeof(*data), M_TEMP, M_INTWAIT); 2226 lead = malloc(sizeof(*lead), M_TEMP, M_INTWAIT); 2227 2228 if (te->data_len < sizeof(struct cd_toc_entry) 2229 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 2230 || (te->address_format != CD_MSF_FORMAT 2231 && te->address_format != CD_LBA_FORMAT)) { 2232 error = EINVAL; 2233 printf("scsi_cd: error in readtocentries, " 2234 "returning EINVAL\n"); 2235 free(data, M_TEMP); 2236 free(lead, M_TEMP); 2237 break; 2238 } 2239 2240 th = &data->header; 2241 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2242 sizeof (*th), /*sense_flags*/0); 2243 if (error) { 2244 free(data, M_TEMP); 2245 free(lead, M_TEMP); 2246 break; 2247 } 2248 2249 if (softc->quirks & CD_Q_BCD_TRACKS) { 2250 /* we are going to have to convert the BCD 2251 * encoding on the cd to what is expected 2252 */ 2253 th->starting_track = 2254 bcd2bin(th->starting_track); 2255 th->ending_track = bcd2bin(th->ending_track); 2256 } 2257 2258 if (starting_track == 0) 2259 starting_track = th->starting_track; 2260 else if (starting_track == LEADOUT) 2261 starting_track = th->ending_track + 1; 2262 else if (starting_track < th->starting_track || 2263 starting_track > th->ending_track + 1) { 2264 printf("scsi_cd: error in readtocentries, " 2265 "returning EINVAL\n"); 2266 free(data, M_TEMP); 2267 free(lead, M_TEMP); 2268 error = EINVAL; 2269 break; 2270 } 2271 2272 /* calculate reading length without leadout entry */ 2273 readlen = (th->ending_track - starting_track + 1) * 2274 sizeof(struct cd_toc_entry); 2275 2276 /* and with leadout entry */ 2277 len = readlen + sizeof(struct cd_toc_entry); 2278 if (te->data_len < len) { 2279 len = te->data_len; 2280 if (readlen > len) 2281 readlen = len; 2282 } 2283 if (len > sizeof(data->entries)) { 2284 printf("scsi_cd: error in readtocentries, " 2285 "returning EINVAL\n"); 2286 error = EINVAL; 2287 free(data, M_TEMP); 2288 free(lead, M_TEMP); 2289 break; 2290 } 2291 num = len / sizeof(struct cd_toc_entry); 2292 2293 if (readlen > 0) { 2294 error = cdreadtoc(periph, te->address_format, 2295 starting_track, 2296 (u_int8_t *)data, 2297 readlen + sizeof (*th), 2298 /*sense_flags*/0); 2299 if (error) { 2300 free(data, M_TEMP); 2301 free(lead, M_TEMP); 2302 break; 2303 } 2304 } 2305 2306 /* make leadout entry if needed */ 2307 idx = starting_track + num - 1; 2308 if (softc->quirks & CD_Q_BCD_TRACKS) 2309 th->ending_track = bcd2bin(th->ending_track); 2310 if (idx == th->ending_track + 1) { 2311 error = cdreadtoc(periph, te->address_format, 2312 LEADOUT, (u_int8_t *)lead, 2313 sizeof(*lead), 2314 /*sense_flags*/0); 2315 if (error) { 2316 free(data, M_TEMP); 2317 free(lead, M_TEMP); 2318 break; 2319 } 2320 data->entries[idx - starting_track] = 2321 lead->entry; 2322 } 2323 if (softc->quirks & CD_Q_BCD_TRACKS) { 2324 for (idx = 0; idx < num - 1; idx++) { 2325 data->entries[idx].track = 2326 bcd2bin(data->entries[idx].track); 2327 } 2328 } 2329 2330 error = copyout(data->entries, te->data, len); 2331 free(data, M_TEMP); 2332 free(lead, M_TEMP); 2333 } 2334 break; 2335 case CDIOREADTOCENTRY: 2336 { 2337 struct cd_toc_single *data; 2338 struct ioc_read_toc_single_entry *te = 2339 (struct ioc_read_toc_single_entry *) addr; 2340 struct ioc_toc_header *th; 2341 u_int32_t track; 2342 2343 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2344 ("trying to do CDIOREADTOCENTRY\n")); 2345 2346 data = malloc(sizeof(*data), M_TEMP, M_INTWAIT); 2347 2348 if (te->address_format != CD_MSF_FORMAT 2349 && te->address_format != CD_LBA_FORMAT) { 2350 printf("error in readtocentry, " 2351 " returning EINVAL\n"); 2352 free(data, M_TEMP); 2353 error = EINVAL; 2354 break; 2355 } 2356 2357 th = &data->header; 2358 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 2359 sizeof (*th), /*sense_flags*/0); 2360 if (error) { 2361 free(data, M_TEMP); 2362 break; 2363 } 2364 2365 if (softc->quirks & CD_Q_BCD_TRACKS) { 2366 /* we are going to have to convert the BCD 2367 * encoding on the cd to what is expected 2368 */ 2369 th->starting_track = 2370 bcd2bin(th->starting_track); 2371 th->ending_track = bcd2bin(th->ending_track); 2372 } 2373 track = te->track; 2374 if (track == 0) 2375 track = th->starting_track; 2376 else if (track == LEADOUT) 2377 /* OK */; 2378 else if (track < th->starting_track || 2379 track > th->ending_track + 1) { 2380 printf("error in readtocentry, " 2381 " returning EINVAL\n"); 2382 free(data, M_TEMP); 2383 error = EINVAL; 2384 break; 2385 } 2386 2387 error = cdreadtoc(periph, te->address_format, track, 2388 (u_int8_t *)data, sizeof(*data), 2389 /*sense_flags*/0); 2390 if (error) { 2391 free(data, M_TEMP); 2392 break; 2393 } 2394 2395 if (softc->quirks & CD_Q_BCD_TRACKS) 2396 data->entry.track = bcd2bin(data->entry.track); 2397 bcopy(&data->entry, &te->entry, 2398 sizeof(struct cd_toc_entry)); 2399 free(data, M_TEMP); 2400 } 2401 break; 2402 case CDIOCSETPATCH: 2403 { 2404 struct ioc_patch *arg = (struct ioc_patch *)addr; 2405 struct cd_mode_params params; 2406 union cd_pages *page; 2407 2408 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2409 ("trying to do CDIOCSETPATCH\n")); 2410 2411 params.alloc_len = sizeof(union cd_mode_data_6_10); 2412 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2413 M_INTWAIT | M_ZERO); 2414 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2415 if (error) { 2416 free(params.mode_buf, M_TEMP); 2417 break; 2418 } 2419 page = cdgetpage(¶ms); 2420 2421 page->audio.port[LEFT_PORT].channels = 2422 arg->patch[0]; 2423 page->audio.port[RIGHT_PORT].channels = 2424 arg->patch[1]; 2425 page->audio.port[2].channels = arg->patch[2]; 2426 page->audio.port[3].channels = arg->patch[3]; 2427 error = cdsetmode(periph, ¶ms); 2428 free(params.mode_buf, M_TEMP); 2429 } 2430 break; 2431 case CDIOCGETVOL: 2432 { 2433 struct ioc_vol *arg = (struct ioc_vol *) addr; 2434 struct cd_mode_params params; 2435 union cd_pages *page; 2436 2437 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2438 ("trying to do CDIOCGETVOL\n")); 2439 2440 params.alloc_len = sizeof(union cd_mode_data_6_10); 2441 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2442 M_INTWAIT | M_ZERO); 2443 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2444 if (error) { 2445 free(params.mode_buf, M_TEMP); 2446 break; 2447 } 2448 page = cdgetpage(¶ms); 2449 2450 arg->vol[LEFT_PORT] = 2451 page->audio.port[LEFT_PORT].volume; 2452 arg->vol[RIGHT_PORT] = 2453 page->audio.port[RIGHT_PORT].volume; 2454 arg->vol[2] = page->audio.port[2].volume; 2455 arg->vol[3] = page->audio.port[3].volume; 2456 free(params.mode_buf, M_TEMP); 2457 } 2458 break; 2459 case CDIOCSETVOL: 2460 { 2461 struct ioc_vol *arg = (struct ioc_vol *) addr; 2462 struct cd_mode_params params; 2463 union cd_pages *page; 2464 2465 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2466 ("trying to do CDIOCSETVOL\n")); 2467 2468 params.alloc_len = sizeof(union cd_mode_data_6_10); 2469 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2470 M_INTWAIT | M_ZERO); 2471 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2472 if (error) { 2473 free(params.mode_buf, M_TEMP); 2474 break; 2475 } 2476 page = cdgetpage(¶ms); 2477 2478 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 2479 page->audio.port[LEFT_PORT].volume = 2480 arg->vol[LEFT_PORT]; 2481 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 2482 page->audio.port[RIGHT_PORT].volume = 2483 arg->vol[RIGHT_PORT]; 2484 page->audio.port[2].volume = arg->vol[2]; 2485 page->audio.port[3].volume = arg->vol[3]; 2486 error = cdsetmode(periph, ¶ms); 2487 free(params.mode_buf, M_TEMP); 2488 } 2489 break; 2490 case CDIOCSETMONO: 2491 { 2492 struct cd_mode_params params; 2493 union cd_pages *page; 2494 2495 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2496 ("trying to do CDIOCSETMONO\n")); 2497 2498 params.alloc_len = sizeof(union cd_mode_data_6_10); 2499 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2500 M_INTWAIT | M_ZERO); 2501 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2502 if (error) { 2503 free(params.mode_buf, M_TEMP); 2504 break; 2505 } 2506 page = cdgetpage(¶ms); 2507 2508 page->audio.port[LEFT_PORT].channels = 2509 LEFT_CHANNEL | RIGHT_CHANNEL; 2510 page->audio.port[RIGHT_PORT].channels = 2511 LEFT_CHANNEL | RIGHT_CHANNEL; 2512 page->audio.port[2].channels = 0; 2513 page->audio.port[3].channels = 0; 2514 error = cdsetmode(periph, ¶ms); 2515 free(params.mode_buf, M_TEMP); 2516 } 2517 break; 2518 case CDIOCSETSTEREO: 2519 { 2520 struct cd_mode_params params; 2521 union cd_pages *page; 2522 2523 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2524 ("trying to do CDIOCSETSTEREO\n")); 2525 2526 params.alloc_len = sizeof(union cd_mode_data_6_10); 2527 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2528 M_INTWAIT | M_ZERO); 2529 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2530 if (error) { 2531 free(params.mode_buf, M_TEMP); 2532 break; 2533 } 2534 page = cdgetpage(¶ms); 2535 2536 page->audio.port[LEFT_PORT].channels = 2537 LEFT_CHANNEL; 2538 page->audio.port[RIGHT_PORT].channels = 2539 RIGHT_CHANNEL; 2540 page->audio.port[2].channels = 0; 2541 page->audio.port[3].channels = 0; 2542 error = cdsetmode(periph, ¶ms); 2543 free(params.mode_buf, M_TEMP); 2544 } 2545 break; 2546 case CDIOCSETMUTE: 2547 { 2548 struct cd_mode_params params; 2549 union cd_pages *page; 2550 2551 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2552 ("trying to do CDIOCSETMUTE\n")); 2553 2554 params.alloc_len = sizeof(union cd_mode_data_6_10); 2555 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2556 M_INTWAIT | M_ZERO); 2557 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2558 if (error) { 2559 free(¶ms, M_TEMP); 2560 break; 2561 } 2562 page = cdgetpage(¶ms); 2563 2564 page->audio.port[LEFT_PORT].channels = 0; 2565 page->audio.port[RIGHT_PORT].channels = 0; 2566 page->audio.port[2].channels = 0; 2567 page->audio.port[3].channels = 0; 2568 error = cdsetmode(periph, ¶ms); 2569 free(params.mode_buf, M_TEMP); 2570 } 2571 break; 2572 case CDIOCSETLEFT: 2573 { 2574 struct cd_mode_params params; 2575 union cd_pages *page; 2576 2577 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2578 ("trying to do CDIOCSETLEFT\n")); 2579 2580 params.alloc_len = sizeof(union cd_mode_data_6_10); 2581 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2582 M_INTWAIT | M_ZERO); 2583 2584 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2585 if (error) { 2586 free(params.mode_buf, M_TEMP); 2587 break; 2588 } 2589 page = cdgetpage(¶ms); 2590 2591 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2592 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2593 page->audio.port[2].channels = 0; 2594 page->audio.port[3].channels = 0; 2595 error = cdsetmode(periph, ¶ms); 2596 free(params.mode_buf, M_TEMP); 2597 } 2598 break; 2599 case CDIOCSETRIGHT: 2600 { 2601 struct cd_mode_params params; 2602 union cd_pages *page; 2603 2604 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2605 ("trying to do CDIOCSETRIGHT\n")); 2606 2607 params.alloc_len = sizeof(union cd_mode_data_6_10); 2608 params.mode_buf = malloc(params.alloc_len, M_TEMP, 2609 M_INTWAIT | M_ZERO); 2610 2611 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2612 if (error) { 2613 free(params.mode_buf, M_TEMP); 2614 break; 2615 } 2616 page = cdgetpage(¶ms); 2617 2618 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2619 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2620 page->audio.port[2].channels = 0; 2621 page->audio.port[3].channels = 0; 2622 error = cdsetmode(periph, ¶ms); 2623 free(params.mode_buf, M_TEMP); 2624 } 2625 break; 2626 case CDIOCRESUME: 2627 error = cdpause(periph, 1); 2628 break; 2629 case CDIOCPAUSE: 2630 error = cdpause(periph, 0); 2631 break; 2632 case CDIOCSTART: 2633 error = cdstartunit(periph, 0); 2634 break; 2635 case CDIOCCLOSE: 2636 error = cdstartunit(periph, 1); 2637 2638 #ifdef notyet 2639 if (error != 0) 2640 break; 2641 2642 /* 2643 * The user successfully closed the tray, run 2644 * cdcheckmedia() again so we can re-sync the disklabel 2645 * information. 2646 */ 2647 cdcheckmedia(periph); 2648 #endif /* notyet */ 2649 break; 2650 case CDIOCSTOP: 2651 error = cdstopunit(periph, 0); 2652 break; 2653 case CDIOCEJECT: 2654 error = cdstopunit(periph, 1); 2655 2656 #ifdef notyet 2657 if (error != 0) 2658 break; 2659 2660 /* 2661 * Since we've successfully ejected the media, run 2662 * cdcheckmedia() again so we re-sync the disklabel 2663 * information. 2664 */ 2665 cdcheckmedia(periph); 2666 #endif /* notyet */ 2667 break; 2668 case CDIOCALLOW: 2669 cdprevent(periph, PR_ALLOW); 2670 break; 2671 case CDIOCPREVENT: 2672 cdprevent(periph, PR_PREVENT); 2673 break; 2674 case CDIOCSETDEBUG: 2675 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2676 error = ENOTTY; 2677 break; 2678 case CDIOCCLRDEBUG: 2679 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2680 error = ENOTTY; 2681 break; 2682 case CDIOCRESET: 2683 /* return (cd_reset(periph)); */ 2684 error = ENOTTY; 2685 break; 2686 case CDRIOCREADSPEED: 2687 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2688 break; 2689 case CDRIOCWRITESPEED: 2690 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2691 break; 2692 case DVDIOCSENDKEY: 2693 case DVDIOCREPORTKEY: { 2694 struct dvd_authinfo *authinfo; 2695 2696 authinfo = (struct dvd_authinfo *)addr; 2697 2698 if (cmd == DVDIOCREPORTKEY) 2699 error = cdreportkey(periph, authinfo); 2700 else 2701 error = cdsendkey(periph, authinfo); 2702 break; 2703 } 2704 case DVDIOCREADSTRUCTURE: { 2705 struct dvd_struct *dvdstruct; 2706 2707 dvdstruct = (struct dvd_struct *)addr; 2708 2709 error = cdreaddvdstructure(periph, dvdstruct); 2710 2711 break; 2712 } 2713 default: 2714 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2715 break; 2716 } 2717 2718 cam_periph_unlock(periph); 2719 2720 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2721 2722 return (error); 2723 } 2724 2725 static void 2726 cdprevent(struct cam_periph *periph, int action) 2727 { 2728 union ccb *ccb; 2729 struct cd_softc *softc; 2730 int error; 2731 2732 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2733 2734 softc = (struct cd_softc *)periph->softc; 2735 2736 if (((action == PR_ALLOW) 2737 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2738 || ((action == PR_PREVENT) 2739 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2740 return; 2741 } 2742 2743 ccb = cdgetccb(periph, /* priority */ 1); 2744 2745 scsi_prevent(&ccb->csio, 2746 /*retries*/ 1, 2747 cddone, 2748 MSG_SIMPLE_Q_TAG, 2749 action, 2750 SSD_FULL_SIZE, 2751 /* timeout */60000); 2752 2753 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 2754 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 2755 2756 xpt_release_ccb(ccb); 2757 2758 if (error == 0) { 2759 if (action == PR_ALLOW) 2760 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2761 else 2762 softc->flags |= CD_FLAG_DISC_LOCKED; 2763 } 2764 } 2765 2766 int 2767 cdcheckmedia(struct cam_periph *periph) 2768 { 2769 struct cd_softc *softc; 2770 struct ioc_toc_header *toch; 2771 struct cd_toc_single leadout; 2772 struct ccb_getdev cgd; 2773 u_int32_t size, toclen; 2774 int error, num_entries, cdindex; 2775 int first_track_audio; 2776 struct disklabel *label; 2777 2778 softc = (struct cd_softc *)periph->softc; 2779 2780 first_track_audio = -1; 2781 error = 0; 2782 2783 cdprevent(periph, PR_PREVENT); 2784 2785 /* 2786 * Build prototype label for whole disk. 2787 * Should take information about different data tracks from the 2788 * TOC and put it in the partition table. 2789 */ 2790 label = &softc->disk.d_label; 2791 bzero(label, sizeof(*label)); 2792 label->d_type = DTYPE_SCSI; 2793 2794 /* 2795 * Grab the inquiry data to get the vendor and product names. 2796 * Put them in the typename and packname for the label. 2797 */ 2798 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 2799 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2800 xpt_action((union ccb *)&cgd); 2801 2802 strncpy(label->d_typename, cgd.inq_data.vendor, 2803 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 2804 strncpy(label->d_packname, cgd.inq_data.product, 2805 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 2806 2807 label->d_flags = D_REMOVABLE; 2808 /* 2809 * Make partition 'a' cover the whole disk. This is a temporary 2810 * compatibility hack. The 'a' partition should not exist, so 2811 * the slice code won't create it. The slice code will make 2812 * partition (RAW_PART + 'a') cover the whole disk and fill in 2813 * some more defaults. 2814 */ 2815 label->d_partitions[0].p_size = label->d_secperunit; 2816 label->d_partitions[0].p_fstype = FS_OTHER; 2817 2818 /* 2819 * Default to not reading the disklabel off the disk, until we can 2820 * verify that we have media, that we have a table of contents, and 2821 * that the first track is a data track (which could theoretically 2822 * contain a disklabel). 2823 */ 2824 softc->disk.d_dsflags &= ~DSO_COMPATLABEL; 2825 softc->disk.d_dsflags |= DSO_NOLABELS; 2826 2827 /* 2828 * Clear the valid media and TOC flags until we've verified that we 2829 * have both. 2830 */ 2831 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2832 2833 /* 2834 * Get the disc size and block size. If we can't get it, we don't 2835 * have media, most likely. 2836 */ 2837 if ((error = cdsize(periph, &size)) != 0) { 2838 /* 2839 * Set a bogus sector size, so the slice code won't try to 2840 * divide by 0 and panic the kernel. 2841 */ 2842 label->d_secsize = 2048; 2843 2844 label->d_secperunit = 0; 2845 2846 /* 2847 * XXX KDM is this a good idea? Seems to cause more 2848 * problems. 2849 */ 2850 if (softc->flags & CD_FLAG_OPEN) { 2851 int force; 2852 2853 force = 1; 2854 2855 /* 2856 * We don't bother checking the return value here, 2857 * since we already have an error... 2858 */ 2859 dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO, 2860 /*data*/(caddr_t)&force, /*flags*/ 0, 2861 &softc->disk.d_slice); 2862 } 2863 2864 /* 2865 * Tell devstat(9) we don't have a blocksize. 2866 */ 2867 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 2868 2869 cdprevent(periph, PR_ALLOW); 2870 2871 return (error); 2872 } else { 2873 2874 label->d_secsize = softc->params.blksize; 2875 label->d_secperunit = softc->params.disksize; 2876 2877 /* 2878 * Force a re-sync of slice information, like the blocksize, 2879 * now that we know it. It isn't pretty...but according to 2880 * Bruce Evans, this is probably the best way to do it in 2881 * -stable. We only do this if we're already open, and 2882 * therefore dsopen() has already run. If CD_FLAG_OPEN 2883 * isn't set, this isn't necessary. 2884 */ 2885 if (softc->flags & CD_FLAG_OPEN) { 2886 int force; 2887 2888 force = 1; 2889 2890 error = dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO, 2891 /*data*/(caddr_t)&force, /*flags*/ 0, 2892 &softc->disk.d_slice); 2893 if (error != 0) { 2894 /* 2895 * Set a bogus sector size, so the slice code 2896 * won't try to divide by 0 and panic the 2897 * kernel. 2898 */ 2899 label->d_secsize = 2048; 2900 2901 label->d_secperunit = 0; 2902 2903 /* 2904 * Tell devstat(9) we don't have a blocksize. 2905 */ 2906 softc->device_stats.flags |= 2907 DEVSTAT_BS_UNAVAILABLE; 2908 2909 cdprevent(periph, PR_ALLOW); 2910 } 2911 } 2912 2913 /* 2914 * We unconditionally (re)set the blocksize each time the 2915 * CD device is opened. This is because the CD can change, 2916 * and therefore the blocksize might change. 2917 * XXX problems here if some slice or partition is still 2918 * open with the old size? 2919 */ 2920 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2921 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 2922 softc->device_stats.block_size = softc->params.blksize; 2923 2924 softc->flags |= CD_FLAG_VALID_MEDIA; 2925 } 2926 2927 /* 2928 * Now we check the table of contents. This (currently) is only 2929 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2930 * things like present a separate entry in /dev for each track, 2931 * like that acd(4) driver does. 2932 */ 2933 bzero(&softc->toc, sizeof(softc->toc)); 2934 toch = &softc->toc.header; 2935 2936 /* 2937 * We will get errors here for media that doesn't have a table of 2938 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2939 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2940 * has not been recorded (no complete session) and the Format codes 2941 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2942 * with an INVALID FIELD IN CDB. Devices that are not capable of 2943 * reading an incomplete session on DDC/CD-R/RW media shall report 2944 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2945 * 2946 * So this isn't fatal if we can't read the table of contents, it 2947 * just means that the user won't be able to issue the play tracks 2948 * ioctl, and likely lots of other stuff won't work either. They 2949 * need to burn the CD before we can do a whole lot with it. So 2950 * we don't print anything here if we get an error back. 2951 */ 2952 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2953 SF_NO_PRINT); 2954 /* 2955 * Errors in reading the table of contents aren't fatal, we just 2956 * won't have a valid table of contents cached. 2957 */ 2958 if (error != 0) { 2959 error = 0; 2960 bzero(&softc->toc, sizeof(softc->toc)); 2961 goto bailout; 2962 } 2963 2964 if (softc->quirks & CD_Q_BCD_TRACKS) { 2965 toch->starting_track = bcd2bin(toch->starting_track); 2966 toch->ending_track = bcd2bin(toch->ending_track); 2967 } 2968 2969 /* Number of TOC entries, plus leadout */ 2970 num_entries = (toch->ending_track - toch->starting_track) + 2; 2971 2972 if (num_entries <= 0) 2973 goto bailout; 2974 2975 toclen = num_entries * sizeof(struct cd_toc_entry); 2976 2977 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2978 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2979 SF_NO_PRINT); 2980 if (error != 0) { 2981 error = 0; 2982 bzero(&softc->toc, sizeof(softc->toc)); 2983 goto bailout; 2984 } 2985 2986 if (softc->quirks & CD_Q_BCD_TRACKS) { 2987 toch->starting_track = bcd2bin(toch->starting_track); 2988 toch->ending_track = bcd2bin(toch->ending_track); 2989 } 2990 toch->len = scsi_2btoul((uint8_t *)&toch->len); 2991 2992 /* 2993 * XXX KDM is this necessary? Probably only if the drive doesn't 2994 * return leadout information with the table of contents. 2995 */ 2996 cdindex = toch->starting_track + num_entries -1; 2997 if (cdindex == toch->ending_track + 1) { 2998 2999 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 3000 (u_int8_t *)&leadout, sizeof(leadout), 3001 SF_NO_PRINT); 3002 if (error != 0) { 3003 error = 0; 3004 goto bailout; 3005 } 3006 softc->toc.entries[cdindex - toch->starting_track] = 3007 leadout.entry; 3008 } 3009 if (softc->quirks & CD_Q_BCD_TRACKS) { 3010 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3011 softc->toc.entries[cdindex].track = 3012 bcd2bin(softc->toc.entries[cdindex].track); 3013 } 3014 } 3015 3016 /* 3017 * Run through the TOC entries, find the first entry and determine 3018 * whether it is an audio or data track. 3019 */ 3020 for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) { 3021 if (softc->toc.entries[cdindex].track == toch->starting_track) { 3022 if (softc->toc.entries[cdindex].control & 0x04) 3023 first_track_audio = 0; 3024 else 3025 first_track_audio = 1; 3026 break; 3027 } 3028 } 3029 3030 /* 3031 * If first_track_audio is non-zero, we either have an error (e.g. 3032 * couldn't find the starting track) or the first track is an audio 3033 * track. If first_track_audio is 0, the first track is a data 3034 * track that could have a disklabel. Attempt to read the 3035 * disklabel off the media, just in case the user put one there. 3036 */ 3037 if (first_track_audio == 0) { 3038 softc->disk.d_dsflags |= DSO_COMPATLABEL; 3039 softc->disk.d_dsflags &= ~DSO_NOLABELS; 3040 } 3041 softc->flags |= CD_FLAG_VALID_TOC; 3042 3043 bailout: 3044 return (error); 3045 } 3046 3047 static int 3048 cdsize(struct cam_periph *periph, u_int32_t *size) 3049 { 3050 struct cd_softc *softc; 3051 union ccb *ccb; 3052 struct scsi_read_capacity_data *rcap_buf; 3053 int error; 3054 3055 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 3056 3057 softc = (struct cd_softc *)periph->softc; 3058 3059 ccb = cdgetccb(periph, /* priority */ 1); 3060 3061 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 3062 M_TEMP, M_INTWAIT | M_ZERO); 3063 3064 scsi_read_capacity(&ccb->csio, 3065 /*retries*/ 1, 3066 cddone, 3067 MSG_SIMPLE_Q_TAG, 3068 rcap_buf, 3069 SSD_FULL_SIZE, 3070 /* timeout */20000); 3071 3072 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3073 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO); 3074 3075 xpt_release_ccb(ccb); 3076 3077 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 3078 softc->params.blksize = scsi_4btoul(rcap_buf->length); 3079 /* 3080 * SCSI-3 mandates that the reported blocksize shall be 2048. 3081 * Older drives sometimes report funny values, trim it down to 3082 * 2048, or other parts of the kernel will get confused. 3083 * 3084 * XXX we leave drives alone that might report 512 bytes, as 3085 * well as drives reporting more weird sizes like perhaps 4K. 3086 */ 3087 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 3088 softc->params.blksize = 2048; 3089 3090 free(rcap_buf, M_TEMP); 3091 *size = softc->params.disksize; 3092 3093 return (error); 3094 3095 } 3096 3097 static int 3098 cd6byteworkaround(union ccb *ccb) 3099 { 3100 u_int8_t *cdb; 3101 struct cam_periph *periph; 3102 struct cd_softc *softc; 3103 struct cd_mode_params *params; 3104 int frozen, found; 3105 3106 periph = xpt_path_periph(ccb->ccb_h.path); 3107 softc = (struct cd_softc *)periph->softc; 3108 3109 cdb = ccb->csio.cdb_io.cdb_bytes; 3110 3111 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 3112 || ((cdb[0] != MODE_SENSE_6) 3113 && (cdb[0] != MODE_SELECT_6))) 3114 return (0); 3115 3116 /* 3117 * Because there is no convenient place to stash the overall 3118 * cd_mode_params structure pointer, we have to grab it like this. 3119 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 3120 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 3121 * 3122 * XXX It would be nice if, at some point, we could increase the 3123 * number of available peripheral private pointers. Both pointers 3124 * are currently used in most every peripheral driver. 3125 */ 3126 found = 0; 3127 3128 STAILQ_FOREACH(params, &softc->mode_queue, links) { 3129 if (params->mode_buf == ccb->csio.data_ptr) { 3130 found = 1; 3131 break; 3132 } 3133 } 3134 3135 /* 3136 * This shouldn't happen. All mode sense and mode select 3137 * operations in the cd(4) driver MUST go through cdgetmode() and 3138 * cdsetmode()! 3139 */ 3140 if (found == 0) { 3141 xpt_print_path(periph->path); 3142 printf("mode buffer not found in mode queue!\n"); 3143 return (0); 3144 } 3145 3146 params->cdb_size = 10; 3147 softc->minimum_command_size = 10; 3148 xpt_print_path(ccb->ccb_h.path); 3149 printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n", 3150 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 3151 3152 if (cdb[0] == MODE_SENSE_6) { 3153 struct scsi_mode_sense_10 ms10; 3154 struct scsi_mode_sense_6 *ms6; 3155 int len; 3156 3157 ms6 = (struct scsi_mode_sense_6 *)cdb; 3158 3159 bzero(&ms10, sizeof(ms10)); 3160 ms10.opcode = MODE_SENSE_10; 3161 ms10.byte2 = ms6->byte2; 3162 ms10.page = ms6->page; 3163 3164 /* 3165 * 10 byte mode header, block descriptor, 3166 * sizeof(union cd_pages) 3167 */ 3168 len = sizeof(struct cd_mode_data_10); 3169 ccb->csio.dxfer_len = len; 3170 3171 scsi_ulto2b(len, ms10.length); 3172 ms10.control = ms6->control; 3173 bcopy(&ms10, cdb, 10); 3174 ccb->csio.cdb_len = 10; 3175 } else { 3176 struct scsi_mode_select_10 ms10; 3177 struct scsi_mode_select_6 *ms6; 3178 struct scsi_mode_header_6 *header6; 3179 struct scsi_mode_header_10 *header10; 3180 struct scsi_mode_page_header *page_header; 3181 int blk_desc_len, page_num, page_size, len; 3182 3183 ms6 = (struct scsi_mode_select_6 *)cdb; 3184 3185 bzero(&ms10, sizeof(ms10)); 3186 ms10.opcode = MODE_SELECT_10; 3187 ms10.byte2 = ms6->byte2; 3188 3189 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 3190 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 3191 3192 page_header = find_mode_page_6(header6); 3193 page_num = page_header->page_code; 3194 3195 blk_desc_len = header6->blk_desc_len; 3196 3197 page_size = cdgetpagesize(page_num); 3198 3199 if (page_size != (page_header->page_length + 3200 sizeof(*page_header))) 3201 page_size = page_header->page_length + 3202 sizeof(*page_header); 3203 3204 len = sizeof(*header10) + blk_desc_len + page_size; 3205 3206 len = min(params->alloc_len, len); 3207 3208 /* 3209 * Since the 6 byte parameter header is shorter than the 10 3210 * byte parameter header, we need to copy the actual mode 3211 * page data, and the block descriptor, if any, so things wind 3212 * up in the right place. The regions will overlap, but 3213 * bcopy() does the right thing. 3214 */ 3215 bcopy(params->mode_buf + sizeof(*header6), 3216 params->mode_buf + sizeof(*header10), 3217 len - sizeof(*header10)); 3218 3219 /* Make sure these fields are set correctly. */ 3220 scsi_ulto2b(0, header10->data_length); 3221 header10->medium_type = 0; 3222 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 3223 3224 ccb->csio.dxfer_len = len; 3225 3226 scsi_ulto2b(len, ms10.length); 3227 ms10.control = ms6->control; 3228 bcopy(&ms10, cdb, 10); 3229 ccb->csio.cdb_len = 10; 3230 } 3231 3232 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 3233 ccb->ccb_h.status = CAM_REQUEUE_REQ; 3234 xpt_action(ccb); 3235 if (frozen) { 3236 cam_release_devq(ccb->ccb_h.path, 3237 /*relsim_flags*/0, 3238 /*openings*/0, 3239 /*timeout*/0, 3240 /*getcount_only*/0); 3241 } 3242 3243 return (ERESTART); 3244 } 3245 3246 static int 3247 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3248 { 3249 struct cd_softc *softc; 3250 struct cam_periph *periph; 3251 int error; 3252 3253 periph = xpt_path_periph(ccb->ccb_h.path); 3254 softc = (struct cd_softc *)periph->softc; 3255 3256 error = 0; 3257 3258 /* 3259 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 3260 * CDB comes back with this particular error, try transforming it 3261 * into the 10 byte version. 3262 */ 3263 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3264 error = cd6byteworkaround(ccb); 3265 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3266 CAM_SCSI_STATUS_ERROR) 3267 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3268 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3269 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3270 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3271 int sense_key, error_code, asc, ascq; 3272 3273 scsi_extract_sense(&ccb->csio.sense_data, 3274 &error_code, &sense_key, &asc, &ascq); 3275 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3276 error = cd6byteworkaround(ccb); 3277 } 3278 3279 if (error == ERESTART) 3280 return (error); 3281 3282 /* 3283 * XXX 3284 * Until we have a better way of doing pack validation, 3285 * don't treat UAs as errors. 3286 */ 3287 sense_flags |= SF_RETRY_UA; 3288 return (cam_periph_error(ccb, cam_flags, sense_flags, 3289 &softc->saved_ccb)); 3290 } 3291 3292 /* 3293 * Read table of contents 3294 */ 3295 static int 3296 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 3297 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 3298 { 3299 struct scsi_read_toc *scsi_cmd; 3300 u_int32_t ntoc; 3301 struct ccb_scsiio *csio; 3302 union ccb *ccb; 3303 int error; 3304 3305 ntoc = len; 3306 error = 0; 3307 3308 ccb = cdgetccb(periph, /* priority */ 1); 3309 3310 csio = &ccb->csio; 3311 3312 cam_fill_csio(csio, 3313 /* retries */ 1, 3314 /* cbfcnp */ cddone, 3315 /* flags */ CAM_DIR_IN, 3316 /* tag_action */ MSG_SIMPLE_Q_TAG, 3317 /* data_ptr */ data, 3318 /* dxfer_len */ len, 3319 /* sense_len */ SSD_FULL_SIZE, 3320 sizeof(struct scsi_read_toc), 3321 /* timeout */ 50000); 3322 3323 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 3324 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3325 3326 if (mode == CD_MSF_FORMAT) 3327 scsi_cmd->byte2 |= CD_MSF; 3328 scsi_cmd->from_track = start; 3329 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 3330 scsi_cmd->data_len[0] = (ntoc) >> 8; 3331 scsi_cmd->data_len[1] = (ntoc) & 0xff; 3332 3333 scsi_cmd->op_code = READ_TOC; 3334 3335 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3336 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO | 3337 sense_flags); 3338 3339 xpt_release_ccb(ccb); 3340 3341 return(error); 3342 } 3343 3344 static int 3345 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 3346 u_int32_t format, int track, 3347 struct cd_sub_channel_info *data, u_int32_t len) 3348 { 3349 struct scsi_read_subchannel *scsi_cmd; 3350 struct ccb_scsiio *csio; 3351 union ccb *ccb; 3352 int error; 3353 3354 error = 0; 3355 3356 ccb = cdgetccb(periph, /* priority */ 1); 3357 3358 csio = &ccb->csio; 3359 3360 cam_fill_csio(csio, 3361 /* retries */ 1, 3362 /* cbfcnp */ cddone, 3363 /* flags */ CAM_DIR_IN, 3364 /* tag_action */ MSG_SIMPLE_Q_TAG, 3365 /* data_ptr */ (u_int8_t *)data, 3366 /* dxfer_len */ len, 3367 /* sense_len */ SSD_FULL_SIZE, 3368 sizeof(struct scsi_read_subchannel), 3369 /* timeout */ 50000); 3370 3371 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 3372 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3373 3374 scsi_cmd->op_code = READ_SUBCHANNEL; 3375 if (mode == CD_MSF_FORMAT) 3376 scsi_cmd->byte1 |= CD_MSF; 3377 scsi_cmd->byte2 = SRS_SUBQ; 3378 scsi_cmd->subchan_format = format; 3379 scsi_cmd->track = track; 3380 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 3381 scsi_cmd->control = 0; 3382 3383 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3384 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3385 3386 xpt_release_ccb(ccb); 3387 3388 return(error); 3389 } 3390 3391 /* 3392 * All MODE_SENSE requests in the cd(4) driver MUST go through this 3393 * routine. See comments in cd6byteworkaround() for details. 3394 */ 3395 static int 3396 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 3397 u_int32_t page) 3398 { 3399 struct ccb_scsiio *csio; 3400 struct cd_softc *softc; 3401 union ccb *ccb; 3402 int param_len; 3403 int error; 3404 3405 softc = (struct cd_softc *)periph->softc; 3406 3407 ccb = cdgetccb(periph, /* priority */ 1); 3408 3409 csio = &ccb->csio; 3410 3411 data->cdb_size = softc->minimum_command_size; 3412 if (data->cdb_size < 10) 3413 param_len = sizeof(struct cd_mode_data); 3414 else 3415 param_len = sizeof(struct cd_mode_data_10); 3416 3417 /* Don't say we've got more room than we actually allocated */ 3418 param_len = min(param_len, data->alloc_len); 3419 3420 scsi_mode_sense_len(csio, 3421 /* retries */ 1, 3422 /* cbfcnp */ cddone, 3423 /* tag_action */ MSG_SIMPLE_Q_TAG, 3424 /* dbd */ 0, 3425 /* page_code */ SMS_PAGE_CTRL_CURRENT, 3426 /* page */ page, 3427 /* param_buf */ data->mode_buf, 3428 /* param_len */ param_len, 3429 /* minimum_cmd_size */ softc->minimum_command_size, 3430 /* sense_len */ SSD_FULL_SIZE, 3431 /* timeout */ 50000); 3432 3433 /* 3434 * It would be nice not to have to do this, but there's no 3435 * available pointer in the CCB that would allow us to stuff the 3436 * mode params structure in there and retrieve it in 3437 * cd6byteworkaround(), so we can set the cdb size. The cdb size 3438 * lets the caller know what CDB size we ended up using, so they 3439 * can find the actual mode page offset. 3440 */ 3441 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3442 3443 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3444 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO); 3445 3446 xpt_release_ccb(ccb); 3447 3448 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3449 3450 /* 3451 * This is a bit of belt-and-suspenders checking, but if we run 3452 * into a situation where the target sends back multiple block 3453 * descriptors, we might not have enough space in the buffer to 3454 * see the whole mode page. Better to return an error than 3455 * potentially access memory beyond our malloced region. 3456 */ 3457 if (error == 0) { 3458 u_int32_t data_len; 3459 3460 if (data->cdb_size == 10) { 3461 struct scsi_mode_header_10 *hdr10; 3462 3463 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 3464 data_len = scsi_2btoul(hdr10->data_length); 3465 data_len += sizeof(hdr10->data_length); 3466 } else { 3467 struct scsi_mode_header_6 *hdr6; 3468 3469 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 3470 data_len = hdr6->data_length; 3471 data_len += sizeof(hdr6->data_length); 3472 } 3473 3474 /* 3475 * Complain if there is more mode data available than we 3476 * allocated space for. This could potentially happen if 3477 * we miscalculated the page length for some reason, if the 3478 * drive returns multiple block descriptors, or if it sets 3479 * the data length incorrectly. 3480 */ 3481 if (data_len > data->alloc_len) { 3482 xpt_print_path(periph->path); 3483 printf("allocated modepage %d length %d < returned " 3484 "length %d\n", page, data->alloc_len, data_len); 3485 3486 error = ENOSPC; 3487 } 3488 } 3489 return (error); 3490 } 3491 3492 /* 3493 * All MODE_SELECT requests in the cd(4) driver MUST go through this 3494 * routine. See comments in cd6byteworkaround() for details. 3495 */ 3496 static int 3497 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 3498 { 3499 struct ccb_scsiio *csio; 3500 struct cd_softc *softc; 3501 union ccb *ccb; 3502 int cdb_size, param_len; 3503 int error; 3504 3505 softc = (struct cd_softc *)periph->softc; 3506 3507 ccb = cdgetccb(periph, /* priority */ 1); 3508 3509 csio = &ccb->csio; 3510 3511 error = 0; 3512 3513 /* 3514 * If the data is formatted for the 10 byte version of the mode 3515 * select parameter list, we need to use the 10 byte CDB. 3516 * Otherwise, we use whatever the stored minimum command size. 3517 */ 3518 if (data->cdb_size == 10) 3519 cdb_size = data->cdb_size; 3520 else 3521 cdb_size = softc->minimum_command_size; 3522 3523 if (cdb_size >= 10) { 3524 struct scsi_mode_header_10 *mode_header; 3525 u_int32_t data_len; 3526 3527 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 3528 3529 data_len = scsi_2btoul(mode_header->data_length); 3530 3531 scsi_ulto2b(0, mode_header->data_length); 3532 /* 3533 * SONY drives do not allow a mode select with a medium_type 3534 * value that has just been returned by a mode sense; use a 3535 * medium_type of 0 (Default) instead. 3536 */ 3537 mode_header->medium_type = 0; 3538 3539 /* 3540 * Pass back whatever the drive passed to us, plus the size 3541 * of the data length field. 3542 */ 3543 param_len = data_len + sizeof(mode_header->data_length); 3544 3545 } else { 3546 struct scsi_mode_header_6 *mode_header; 3547 3548 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 3549 3550 param_len = mode_header->data_length + 1; 3551 3552 mode_header->data_length = 0; 3553 /* 3554 * SONY drives do not allow a mode select with a medium_type 3555 * value that has just been returned by a mode sense; use a 3556 * medium_type of 0 (Default) instead. 3557 */ 3558 mode_header->medium_type = 0; 3559 } 3560 3561 /* Don't say we've got more room than we actually allocated */ 3562 param_len = min(param_len, data->alloc_len); 3563 3564 scsi_mode_select_len(csio, 3565 /* retries */ 1, 3566 /* cbfcnp */ cddone, 3567 /* tag_action */ MSG_SIMPLE_Q_TAG, 3568 /* scsi_page_fmt */ 1, 3569 /* save_pages */ 0, 3570 /* param_buf */ data->mode_buf, 3571 /* param_len */ param_len, 3572 /* minimum_cmd_size */ cdb_size, 3573 /* sense_len */ SSD_FULL_SIZE, 3574 /* timeout */ 50000); 3575 3576 /* See comments in cdgetmode() and cd6byteworkaround(). */ 3577 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 3578 3579 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3580 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3581 3582 xpt_release_ccb(ccb); 3583 3584 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 3585 3586 return (error); 3587 } 3588 3589 3590 3591 static int 3592 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 3593 { 3594 struct ccb_scsiio *csio; 3595 union ccb *ccb; 3596 int error; 3597 u_int8_t cdb_len; 3598 3599 error = 0; 3600 ccb = cdgetccb(periph, /* priority */ 1); 3601 csio = &ccb->csio; 3602 /* 3603 * Use the smallest possible command to perform the operation. 3604 */ 3605 if ((len & 0xffff0000) == 0) { 3606 /* 3607 * We can fit in a 10 byte cdb. 3608 */ 3609 struct scsi_play_10 *scsi_cmd; 3610 3611 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 3612 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3613 scsi_cmd->op_code = PLAY_10; 3614 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3615 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 3616 cdb_len = sizeof(*scsi_cmd); 3617 } else { 3618 struct scsi_play_12 *scsi_cmd; 3619 3620 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 3621 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3622 scsi_cmd->op_code = PLAY_12; 3623 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 3624 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 3625 cdb_len = sizeof(*scsi_cmd); 3626 } 3627 cam_fill_csio(csio, 3628 /*retries*/2, 3629 cddone, 3630 /*flags*/CAM_DIR_NONE, 3631 MSG_SIMPLE_Q_TAG, 3632 /*dataptr*/NULL, 3633 /*datalen*/0, 3634 /*sense_len*/SSD_FULL_SIZE, 3635 cdb_len, 3636 /*timeout*/50 * 1000); 3637 3638 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3639 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3640 3641 xpt_release_ccb(ccb); 3642 3643 return(error); 3644 } 3645 3646 static int 3647 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3648 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3649 { 3650 struct scsi_play_msf *scsi_cmd; 3651 struct ccb_scsiio *csio; 3652 union ccb *ccb; 3653 int error; 3654 3655 error = 0; 3656 3657 ccb = cdgetccb(periph, /* priority */ 1); 3658 3659 csio = &ccb->csio; 3660 3661 cam_fill_csio(csio, 3662 /* retries */ 1, 3663 /* cbfcnp */ cddone, 3664 /* flags */ CAM_DIR_NONE, 3665 /* tag_action */ MSG_SIMPLE_Q_TAG, 3666 /* data_ptr */ NULL, 3667 /* dxfer_len */ 0, 3668 /* sense_len */ SSD_FULL_SIZE, 3669 sizeof(struct scsi_play_msf), 3670 /* timeout */ 50000); 3671 3672 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3673 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3674 3675 scsi_cmd->op_code = PLAY_MSF; 3676 scsi_cmd->start_m = startm; 3677 scsi_cmd->start_s = starts; 3678 scsi_cmd->start_f = startf; 3679 scsi_cmd->end_m = endm; 3680 scsi_cmd->end_s = ends; 3681 scsi_cmd->end_f = endf; 3682 3683 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3684 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3685 3686 xpt_release_ccb(ccb); 3687 3688 return(error); 3689 } 3690 3691 3692 static int 3693 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3694 u_int32_t etrack, u_int32_t eindex) 3695 { 3696 struct scsi_play_track *scsi_cmd; 3697 struct ccb_scsiio *csio; 3698 union ccb *ccb; 3699 int error; 3700 3701 error = 0; 3702 3703 ccb = cdgetccb(periph, /* priority */ 1); 3704 3705 csio = &ccb->csio; 3706 3707 cam_fill_csio(csio, 3708 /* retries */ 1, 3709 /* cbfcnp */ cddone, 3710 /* flags */ CAM_DIR_NONE, 3711 /* tag_action */ MSG_SIMPLE_Q_TAG, 3712 /* data_ptr */ NULL, 3713 /* dxfer_len */ 0, 3714 /* sense_len */ SSD_FULL_SIZE, 3715 sizeof(struct scsi_play_track), 3716 /* timeout */ 50000); 3717 3718 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3719 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3720 3721 scsi_cmd->op_code = PLAY_TRACK; 3722 scsi_cmd->start_track = strack; 3723 scsi_cmd->start_index = sindex; 3724 scsi_cmd->end_track = etrack; 3725 scsi_cmd->end_index = eindex; 3726 3727 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3728 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3729 3730 xpt_release_ccb(ccb); 3731 3732 return(error); 3733 } 3734 3735 static int 3736 cdpause(struct cam_periph *periph, u_int32_t go) 3737 { 3738 struct scsi_pause *scsi_cmd; 3739 struct ccb_scsiio *csio; 3740 union ccb *ccb; 3741 int error; 3742 3743 error = 0; 3744 3745 ccb = cdgetccb(periph, /* priority */ 1); 3746 3747 csio = &ccb->csio; 3748 3749 cam_fill_csio(csio, 3750 /* retries */ 1, 3751 /* cbfcnp */ cddone, 3752 /* flags */ CAM_DIR_NONE, 3753 /* tag_action */ MSG_SIMPLE_Q_TAG, 3754 /* data_ptr */ NULL, 3755 /* dxfer_len */ 0, 3756 /* sense_len */ SSD_FULL_SIZE, 3757 sizeof(struct scsi_pause), 3758 /* timeout */ 50000); 3759 3760 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3761 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3762 3763 scsi_cmd->op_code = PAUSE; 3764 scsi_cmd->resume = go; 3765 3766 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3767 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO); 3768 3769 xpt_release_ccb(ccb); 3770 3771 return(error); 3772 } 3773 3774 static int 3775 cdstartunit(struct cam_periph *periph, int load) 3776 { 3777 union ccb *ccb; 3778 int error; 3779 3780 error = 0; 3781 3782 ccb = cdgetccb(periph, /* priority */ 1); 3783 3784 scsi_start_stop(&ccb->csio, 3785 /* retries */ 1, 3786 /* cbfcnp */ cddone, 3787 /* tag_action */ MSG_SIMPLE_Q_TAG, 3788 /* start */ TRUE, 3789 /* load_eject */ load, 3790 /* immediate */ FALSE, 3791 /* sense_len */ SSD_FULL_SIZE, 3792 /* timeout */ 50000); 3793 3794 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3795 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3796 3797 xpt_release_ccb(ccb); 3798 3799 return(error); 3800 } 3801 3802 static int 3803 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3804 { 3805 union ccb *ccb; 3806 int error; 3807 3808 error = 0; 3809 3810 ccb = cdgetccb(periph, /* priority */ 1); 3811 3812 scsi_start_stop(&ccb->csio, 3813 /* retries */ 1, 3814 /* cbfcnp */ cddone, 3815 /* tag_action */ MSG_SIMPLE_Q_TAG, 3816 /* start */ FALSE, 3817 /* load_eject */ eject, 3818 /* immediate */ FALSE, 3819 /* sense_len */ SSD_FULL_SIZE, 3820 /* timeout */ 50000); 3821 3822 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3823 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3824 3825 xpt_release_ccb(ccb); 3826 3827 return(error); 3828 } 3829 3830 static int 3831 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3832 { 3833 struct scsi_set_speed *scsi_cmd; 3834 struct ccb_scsiio *csio; 3835 union ccb *ccb; 3836 int error; 3837 3838 error = 0; 3839 ccb = cdgetccb(periph, /* priority */ 1); 3840 csio = &ccb->csio; 3841 3842 /* Preserve old behavior: units in multiples of CDROM speed */ 3843 if (rdspeed < 177) 3844 rdspeed *= 177; 3845 if (wrspeed < 177) 3846 wrspeed *= 177; 3847 3848 cam_fill_csio(csio, 3849 /* retries */ 1, 3850 /* cbfcnp */ cddone, 3851 /* flags */ CAM_DIR_NONE, 3852 /* tag_action */ MSG_SIMPLE_Q_TAG, 3853 /* data_ptr */ NULL, 3854 /* dxfer_len */ 0, 3855 /* sense_len */ SSD_FULL_SIZE, 3856 sizeof(struct scsi_set_speed), 3857 /* timeout */ 50000); 3858 3859 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3860 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3861 3862 scsi_cmd->opcode = SET_CD_SPEED; 3863 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3864 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3865 3866 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3867 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3868 3869 xpt_release_ccb(ccb); 3870 3871 return(error); 3872 } 3873 3874 static int 3875 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3876 { 3877 union ccb *ccb; 3878 u_int8_t *databuf; 3879 u_int32_t lba; 3880 int error; 3881 int length; 3882 3883 error = 0; 3884 databuf = NULL; 3885 lba = 0; 3886 3887 ccb = cdgetccb(periph, /* priority */ 1); 3888 3889 switch (authinfo->format) { 3890 case DVD_REPORT_AGID: 3891 length = sizeof(struct scsi_report_key_data_agid); 3892 break; 3893 case DVD_REPORT_CHALLENGE: 3894 length = sizeof(struct scsi_report_key_data_challenge); 3895 break; 3896 case DVD_REPORT_KEY1: 3897 length = sizeof(struct scsi_report_key_data_key1_key2); 3898 break; 3899 case DVD_REPORT_TITLE_KEY: 3900 length = sizeof(struct scsi_report_key_data_title); 3901 /* The lba field is only set for the title key */ 3902 lba = authinfo->lba; 3903 break; 3904 case DVD_REPORT_ASF: 3905 length = sizeof(struct scsi_report_key_data_asf); 3906 break; 3907 case DVD_REPORT_RPC: 3908 length = sizeof(struct scsi_report_key_data_rpc); 3909 break; 3910 case DVD_INVALIDATE_AGID: 3911 length = 0; 3912 break; 3913 default: 3914 error = EINVAL; 3915 goto bailout; 3916 break; /* NOTREACHED */ 3917 } 3918 3919 if (length != 0) { 3920 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 3921 } else { 3922 databuf = NULL; 3923 } 3924 3925 3926 scsi_report_key(&ccb->csio, 3927 /* retries */ 1, 3928 /* cbfcnp */ cddone, 3929 /* tag_action */ MSG_SIMPLE_Q_TAG, 3930 /* lba */ lba, 3931 /* agid */ authinfo->agid, 3932 /* key_format */ authinfo->format, 3933 /* data_ptr */ databuf, 3934 /* dxfer_len */ length, 3935 /* sense_len */ SSD_FULL_SIZE, 3936 /* timeout */ 50000); 3937 3938 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 3939 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 3940 3941 if (error != 0) 3942 goto bailout; 3943 3944 if (ccb->csio.resid != 0) { 3945 xpt_print_path(periph->path); 3946 printf("warning, residual for report key command is %d\n", 3947 ccb->csio.resid); 3948 } 3949 3950 switch(authinfo->format) { 3951 case DVD_REPORT_AGID: { 3952 struct scsi_report_key_data_agid *agid_data; 3953 3954 agid_data = (struct scsi_report_key_data_agid *)databuf; 3955 3956 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3957 RKD_AGID_SHIFT; 3958 break; 3959 } 3960 case DVD_REPORT_CHALLENGE: { 3961 struct scsi_report_key_data_challenge *chal_data; 3962 3963 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3964 3965 bcopy(chal_data->challenge_key, authinfo->keychal, 3966 min(sizeof(chal_data->challenge_key), 3967 sizeof(authinfo->keychal))); 3968 break; 3969 } 3970 case DVD_REPORT_KEY1: { 3971 struct scsi_report_key_data_key1_key2 *key1_data; 3972 3973 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3974 3975 bcopy(key1_data->key1, authinfo->keychal, 3976 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3977 break; 3978 } 3979 case DVD_REPORT_TITLE_KEY: { 3980 struct scsi_report_key_data_title *title_data; 3981 3982 title_data = (struct scsi_report_key_data_title *)databuf; 3983 3984 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3985 RKD_TITLE_CPM_SHIFT; 3986 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3987 RKD_TITLE_CP_SEC_SHIFT; 3988 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3989 RKD_TITLE_CMGS_SHIFT; 3990 bcopy(title_data->title_key, authinfo->keychal, 3991 min(sizeof(title_data->title_key), 3992 sizeof(authinfo->keychal))); 3993 break; 3994 } 3995 case DVD_REPORT_ASF: { 3996 struct scsi_report_key_data_asf *asf_data; 3997 3998 asf_data = (struct scsi_report_key_data_asf *)databuf; 3999 4000 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 4001 break; 4002 } 4003 case DVD_REPORT_RPC: { 4004 struct scsi_report_key_data_rpc *rpc_data; 4005 4006 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 4007 4008 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 4009 RKD_RPC_TYPE_SHIFT; 4010 authinfo->vend_rsts = 4011 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 4012 RKD_RPC_VENDOR_RESET_SHIFT; 4013 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 4014 authinfo->region = rpc_data->region_mask; 4015 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 4016 break; 4017 } 4018 case DVD_INVALIDATE_AGID: 4019 break; 4020 default: 4021 /* This should be impossible, since we checked above */ 4022 error = EINVAL; 4023 goto bailout; 4024 break; /* NOTREACHED */ 4025 } 4026 bailout: 4027 if (databuf != NULL) 4028 free(databuf, M_DEVBUF); 4029 4030 xpt_release_ccb(ccb); 4031 4032 return(error); 4033 } 4034 4035 static int 4036 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 4037 { 4038 union ccb *ccb; 4039 u_int8_t *databuf; 4040 int length; 4041 int error; 4042 4043 error = 0; 4044 databuf = NULL; 4045 4046 ccb = cdgetccb(periph, /* priority */ 1); 4047 4048 switch(authinfo->format) { 4049 case DVD_SEND_CHALLENGE: { 4050 struct scsi_report_key_data_challenge *challenge_data; 4051 4052 length = sizeof(*challenge_data); 4053 4054 challenge_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4055 4056 databuf = (u_int8_t *)challenge_data; 4057 4058 scsi_ulto2b(length - sizeof(challenge_data->data_len), 4059 challenge_data->data_len); 4060 4061 bcopy(authinfo->keychal, challenge_data->challenge_key, 4062 min(sizeof(authinfo->keychal), 4063 sizeof(challenge_data->challenge_key))); 4064 break; 4065 } 4066 case DVD_SEND_KEY2: { 4067 struct scsi_report_key_data_key1_key2 *key2_data; 4068 4069 length = sizeof(*key2_data); 4070 4071 key2_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4072 4073 databuf = (u_int8_t *)key2_data; 4074 4075 scsi_ulto2b(length - sizeof(key2_data->data_len), 4076 key2_data->data_len); 4077 4078 bcopy(authinfo->keychal, key2_data->key1, 4079 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 4080 4081 break; 4082 } 4083 case DVD_SEND_RPC: { 4084 struct scsi_send_key_data_rpc *rpc_data; 4085 4086 length = sizeof(*rpc_data); 4087 4088 rpc_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4089 4090 databuf = (u_int8_t *)rpc_data; 4091 4092 scsi_ulto2b(length - sizeof(rpc_data->data_len), 4093 rpc_data->data_len); 4094 4095 rpc_data->region_code = authinfo->region; 4096 break; 4097 } 4098 default: 4099 error = EINVAL; 4100 goto bailout; 4101 break; /* NOTREACHED */ 4102 } 4103 4104 scsi_send_key(&ccb->csio, 4105 /* retries */ 1, 4106 /* cbfcnp */ cddone, 4107 /* tag_action */ MSG_SIMPLE_Q_TAG, 4108 /* agid */ authinfo->agid, 4109 /* key_format */ authinfo->format, 4110 /* data_ptr */ databuf, 4111 /* dxfer_len */ length, 4112 /* sense_len */ SSD_FULL_SIZE, 4113 /* timeout */ 50000); 4114 4115 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4116 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4117 4118 bailout: 4119 4120 if (databuf != NULL) 4121 free(databuf, M_DEVBUF); 4122 4123 xpt_release_ccb(ccb); 4124 4125 return(error); 4126 } 4127 4128 static int 4129 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 4130 { 4131 union ccb *ccb; 4132 u_int8_t *databuf; 4133 u_int32_t address; 4134 int error; 4135 int length; 4136 4137 error = 0; 4138 databuf = NULL; 4139 /* The address is reserved for many of the formats */ 4140 address = 0; 4141 4142 ccb = cdgetccb(periph, /* priority */ 1); 4143 4144 switch(dvdstruct->format) { 4145 case DVD_STRUCT_PHYSICAL: 4146 length = sizeof(struct scsi_read_dvd_struct_data_physical); 4147 break; 4148 case DVD_STRUCT_COPYRIGHT: 4149 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 4150 break; 4151 case DVD_STRUCT_DISCKEY: 4152 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 4153 break; 4154 case DVD_STRUCT_BCA: 4155 length = sizeof(struct scsi_read_dvd_struct_data_bca); 4156 break; 4157 case DVD_STRUCT_MANUFACT: 4158 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 4159 break; 4160 case DVD_STRUCT_CMI: 4161 error = ENODEV; 4162 goto bailout; 4163 #ifdef notyet 4164 length = sizeof(struct scsi_read_dvd_struct_data_copy_manage); 4165 address = dvdstruct->address; 4166 #endif 4167 break; /* NOTREACHED */ 4168 case DVD_STRUCT_PROTDISCID: 4169 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 4170 break; 4171 case DVD_STRUCT_DISCKEYBLOCK: 4172 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 4173 break; 4174 case DVD_STRUCT_DDS: 4175 length = sizeof(struct scsi_read_dvd_struct_data_dds); 4176 break; 4177 case DVD_STRUCT_MEDIUM_STAT: 4178 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 4179 break; 4180 case DVD_STRUCT_SPARE_AREA: 4181 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 4182 break; 4183 case DVD_STRUCT_RMD_LAST: 4184 error = ENODEV; 4185 goto bailout; 4186 #ifdef notyet 4187 length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout); 4188 address = dvdstruct->address; 4189 #endif 4190 break; /* NOTREACHED */ 4191 case DVD_STRUCT_RMD_RMA: 4192 error = ENODEV; 4193 goto bailout; 4194 #ifdef notyet 4195 length = sizeof(struct scsi_read_dvd_struct_data_rmd); 4196 address = dvdstruct->address; 4197 #endif 4198 break; /* NOTREACHED */ 4199 case DVD_STRUCT_PRERECORDED: 4200 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 4201 break; 4202 case DVD_STRUCT_UNIQUEID: 4203 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 4204 break; 4205 case DVD_STRUCT_DCB: 4206 error = ENODEV; 4207 goto bailout; 4208 #ifdef notyet 4209 length = sizeof(struct scsi_read_dvd_struct_data_dcb); 4210 address = dvdstruct->address; 4211 #endif 4212 break; /* NOTREACHED */ 4213 case DVD_STRUCT_LIST: 4214 /* 4215 * This is the maximum allocation length for the READ DVD 4216 * STRUCTURE command. There's nothing in the MMC3 spec 4217 * that indicates a limit in the amount of data that can 4218 * be returned from this call, other than the limits 4219 * imposed by the 2-byte length variables. 4220 */ 4221 length = 65535; 4222 break; 4223 default: 4224 error = EINVAL; 4225 goto bailout; 4226 break; /* NOTREACHED */ 4227 } 4228 4229 if (length != 0) { 4230 databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO); 4231 } else { 4232 databuf = NULL; 4233 } 4234 4235 scsi_read_dvd_structure(&ccb->csio, 4236 /* retries */ 1, 4237 /* cbfcnp */ cddone, 4238 /* tag_action */ MSG_SIMPLE_Q_TAG, 4239 /* lba */ address, 4240 /* layer_number */ dvdstruct->layer_num, 4241 /* key_format */ dvdstruct->format, 4242 /* agid */ dvdstruct->agid, 4243 /* data_ptr */ databuf, 4244 /* dxfer_len */ length, 4245 /* sense_len */ SSD_FULL_SIZE, 4246 /* timeout */ 50000); 4247 4248 error = cdrunccb(ccb, cderror, /*cam_flags*/0, 4249 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO); 4250 4251 if (error != 0) 4252 goto bailout; 4253 4254 switch(dvdstruct->format) { 4255 case DVD_STRUCT_PHYSICAL: { 4256 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 4257 struct dvd_layer *outlayer; 4258 struct scsi_read_dvd_struct_data_physical *phys_data; 4259 4260 phys_data = 4261 (struct scsi_read_dvd_struct_data_physical *)databuf; 4262 inlayer = &phys_data->layer_desc; 4263 outlayer = (struct dvd_layer *)&dvdstruct->data; 4264 4265 dvdstruct->length = sizeof(*inlayer); 4266 4267 outlayer->book_type = (inlayer->book_type_version & 4268 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 4269 outlayer->book_version = (inlayer->book_type_version & 4270 RDSD_BOOK_VERSION_MASK); 4271 outlayer->disc_size = (inlayer->disc_size_max_rate & 4272 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 4273 outlayer->max_rate = (inlayer->disc_size_max_rate & 4274 RDSD_MAX_RATE_MASK); 4275 outlayer->nlayers = (inlayer->layer_info & 4276 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 4277 outlayer->track_path = (inlayer->layer_info & 4278 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 4279 outlayer->layer_type = (inlayer->layer_info & 4280 RDSD_LAYER_TYPE_MASK); 4281 outlayer->linear_density = (inlayer->density & 4282 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 4283 outlayer->track_density = (inlayer->density & 4284 RDSD_TRACK_DENSITY_MASK); 4285 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 4286 RDSD_BCA_SHIFT; 4287 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 4288 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 4289 outlayer->end_sector_l0 = 4290 scsi_3btoul(inlayer->end_sector_layer0); 4291 break; 4292 } 4293 case DVD_STRUCT_COPYRIGHT: { 4294 struct scsi_read_dvd_struct_data_copyright *copy_data; 4295 4296 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 4297 databuf; 4298 4299 dvdstruct->cpst = copy_data->cps_type; 4300 dvdstruct->rmi = copy_data->region_info; 4301 dvdstruct->length = 0; 4302 4303 break; 4304 } 4305 default: 4306 /* 4307 * Tell the user what the overall length is, no matter 4308 * what we can actually fit in the data buffer. 4309 */ 4310 dvdstruct->length = length - ccb->csio.resid - 4311 sizeof(struct scsi_read_dvd_struct_data_header); 4312 4313 /* 4314 * But only actually copy out the smaller of what we read 4315 * in or what the structure can take. 4316 */ 4317 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 4318 dvdstruct->data, 4319 min(sizeof(dvdstruct->data), dvdstruct->length)); 4320 break; 4321 } 4322 bailout: 4323 4324 if (databuf != NULL) 4325 free(databuf, M_DEVBUF); 4326 4327 xpt_release_ccb(ccb); 4328 4329 return(error); 4330 } 4331 4332 void 4333 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 4334 void (*cbfcnp)(struct cam_periph *, union ccb *), 4335 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 4336 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 4337 u_int8_t sense_len, u_int32_t timeout) 4338 { 4339 struct scsi_report_key *scsi_cmd; 4340 4341 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 4342 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4343 scsi_cmd->opcode = REPORT_KEY; 4344 scsi_ulto4b(lba, scsi_cmd->lba); 4345 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4346 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4347 (key_format & RK_KF_KEYFORMAT_MASK); 4348 4349 cam_fill_csio(csio, 4350 retries, 4351 cbfcnp, 4352 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 4353 tag_action, 4354 /*data_ptr*/ data_ptr, 4355 /*dxfer_len*/ dxfer_len, 4356 sense_len, 4357 sizeof(*scsi_cmd), 4358 timeout); 4359 } 4360 4361 void 4362 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 4363 void (*cbfcnp)(struct cam_periph *, union ccb *), 4364 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 4365 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 4366 u_int32_t timeout) 4367 { 4368 struct scsi_send_key *scsi_cmd; 4369 4370 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 4371 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4372 scsi_cmd->opcode = SEND_KEY; 4373 4374 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 4375 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 4376 (key_format & RK_KF_KEYFORMAT_MASK); 4377 4378 cam_fill_csio(csio, 4379 retries, 4380 cbfcnp, 4381 /*flags*/ CAM_DIR_OUT, 4382 tag_action, 4383 /*data_ptr*/ data_ptr, 4384 /*dxfer_len*/ dxfer_len, 4385 sense_len, 4386 sizeof(*scsi_cmd), 4387 timeout); 4388 } 4389 4390 4391 void 4392 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 4393 void (*cbfcnp)(struct cam_periph *, union ccb *), 4394 u_int8_t tag_action, u_int32_t address, 4395 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 4396 u_int8_t *data_ptr, u_int32_t dxfer_len, 4397 u_int8_t sense_len, u_int32_t timeout) 4398 { 4399 struct scsi_read_dvd_structure *scsi_cmd; 4400 4401 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 4402 bzero(scsi_cmd, sizeof(*scsi_cmd)); 4403 scsi_cmd->opcode = READ_DVD_STRUCTURE; 4404 4405 scsi_ulto4b(address, scsi_cmd->address); 4406 scsi_cmd->layer_number = layer_number; 4407 scsi_cmd->format = format; 4408 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 4409 /* The AGID is the top two bits of this byte */ 4410 scsi_cmd->agid = agid << 6; 4411 4412 cam_fill_csio(csio, 4413 retries, 4414 cbfcnp, 4415 /*flags*/ CAM_DIR_IN, 4416 tag_action, 4417 /*data_ptr*/ data_ptr, 4418 /*dxfer_len*/ dxfer_len, 4419 sense_len, 4420 sizeof(*scsi_cmd), 4421 timeout); 4422 } 4423