1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 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 <sys/cdefs.h> 51 __FBSDID("$FreeBSD$"); 52 53 #include "opt_cd.h" 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/kernel.h> 58 #include <sys/bio.h> 59 #include <sys/conf.h> 60 #include <sys/disk.h> 61 #include <sys/malloc.h> 62 #include <sys/cdio.h> 63 #include <sys/cdrio.h> 64 #include <sys/dvdio.h> 65 #include <sys/devicestat.h> 66 #include <sys/proc.h> 67 #include <sys/sbuf.h> 68 #include <sys/sysctl.h> 69 #include <sys/sysent.h> 70 #include <sys/taskqueue.h> 71 #include <geom/geom_disk.h> 72 73 #include <cam/cam.h> 74 #include <cam/cam_ccb.h> 75 #include <cam/cam_periph.h> 76 #include <cam/cam_xpt_periph.h> 77 #include <cam/cam_queue.h> 78 #include <cam/cam_sim.h> 79 80 #include <cam/scsi/scsi_message.h> 81 #include <cam/scsi/scsi_da.h> 82 #include <cam/scsi/scsi_cd.h> 83 84 #define LEADOUT 0xaa /* leadout toc entry */ 85 86 struct cd_params { 87 u_int32_t blksize; 88 u_long disksize; 89 }; 90 91 typedef enum { 92 CD_Q_NONE = 0x00, 93 CD_Q_NO_TOUCH = 0x01, 94 CD_Q_BCD_TRACKS = 0x02, 95 CD_Q_10_BYTE_ONLY = 0x10, 96 CD_Q_RETRY_BUSY = 0x40 97 } cd_quirks; 98 99 #define CD_Q_BIT_STRING \ 100 "\020" \ 101 "\001NO_TOUCH" \ 102 "\002BCD_TRACKS" \ 103 "\00510_BYTE_ONLY" \ 104 "\007RETRY_BUSY" 105 106 typedef enum { 107 CD_FLAG_INVALID = 0x0001, 108 CD_FLAG_NEW_DISC = 0x0002, 109 CD_FLAG_DISC_LOCKED = 0x0004, 110 CD_FLAG_DISC_REMOVABLE = 0x0008, 111 CD_FLAG_SAW_MEDIA = 0x0010, 112 CD_FLAG_ACTIVE = 0x0080, 113 CD_FLAG_SCHED_ON_COMP = 0x0100, 114 CD_FLAG_RETRY_UA = 0x0200, 115 CD_FLAG_VALID_MEDIA = 0x0400, 116 CD_FLAG_VALID_TOC = 0x0800, 117 CD_FLAG_SCTX_INIT = 0x1000 118 } cd_flags; 119 120 typedef enum { 121 CD_CCB_PROBE = 0x01, 122 CD_CCB_BUFFER_IO = 0x02, 123 CD_CCB_TUR = 0x04, 124 CD_CCB_TYPE_MASK = 0x0F, 125 CD_CCB_RETRY_UA = 0x10 126 } cd_ccb_state; 127 128 #define ccb_state ppriv_field0 129 #define ccb_bp ppriv_ptr1 130 131 struct cd_tocdata { 132 struct ioc_toc_header header; 133 struct cd_toc_entry entries[100]; 134 }; 135 136 struct cd_toc_single { 137 struct ioc_toc_header header; 138 struct cd_toc_entry entry; 139 }; 140 141 typedef enum { 142 CD_STATE_PROBE, 143 CD_STATE_NORMAL 144 } cd_state; 145 146 struct cd_softc { 147 cam_pinfo pinfo; 148 cd_state state; 149 volatile cd_flags flags; 150 struct bio_queue_head bio_queue; 151 LIST_HEAD(, ccb_hdr) pending_ccbs; 152 struct cd_params params; 153 union ccb saved_ccb; 154 cd_quirks quirks; 155 struct cam_periph *periph; 156 int minimum_command_size; 157 int outstanding_cmds; 158 int tur; 159 struct task sysctl_task; 160 struct sysctl_ctx_list sysctl_ctx; 161 struct sysctl_oid *sysctl_tree; 162 STAILQ_HEAD(, cd_mode_params) mode_queue; 163 struct cd_tocdata toc; 164 struct disk *disk; 165 struct callout mediapoll_c; 166 167 #define CD_ANNOUNCETMP_SZ 120 168 char announce_temp[CD_ANNOUNCETMP_SZ]; 169 #define CD_ANNOUNCE_SZ 400 170 char announce_buf[CD_ANNOUNCE_SZ]; 171 }; 172 173 struct cd_page_sizes { 174 int page; 175 int page_size; 176 }; 177 178 static struct cd_page_sizes cd_page_size_table[] = 179 { 180 { AUDIO_PAGE, sizeof(struct cd_audio_page)} 181 }; 182 183 struct cd_quirk_entry { 184 struct scsi_inquiry_pattern inq_pat; 185 cd_quirks quirks; 186 }; 187 188 /* 189 * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because 190 * your device hangs when it gets a 10 byte command. Adding a quirk just 191 * to get rid of the informative diagnostic message is not acceptable. All 192 * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be 193 * referenced in a comment along with the quirk) , and must be approved by 194 * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may 195 * be removed until the submitter can explain why they are needed. 196 * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) 197 * when the CAM_NEW_TRAN_CODE work is done. 198 */ 199 static struct cd_quirk_entry cd_quirk_table[] = 200 { 201 { 202 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, 203 /* quirks */ CD_Q_BCD_TRACKS 204 }, 205 { 206 /* 207 * VMware returns BUSY status when storage has transient 208 * connectivity problems, so better wait. 209 */ 210 {T_CDROM, SIP_MEDIA_REMOVABLE, "NECVMWar", "VMware IDE CDR10", "*"}, 211 /*quirks*/ CD_Q_RETRY_BUSY 212 } 213 }; 214 215 #ifdef COMPAT_FREEBSD32 216 struct ioc_read_toc_entry32 { 217 u_char address_format; 218 u_char starting_track; 219 u_short data_len; 220 uint32_t data; /* (struct cd_toc_entry *) */ 221 }; 222 #define CDIOREADTOCENTRYS_32 \ 223 _IOC_NEWTYPE(CDIOREADTOCENTRYS, struct ioc_read_toc_entry32) 224 #endif 225 226 static disk_open_t cdopen; 227 static disk_close_t cdclose; 228 static disk_ioctl_t cdioctl; 229 static disk_strategy_t cdstrategy; 230 231 static periph_init_t cdinit; 232 static periph_ctor_t cdregister; 233 static periph_dtor_t cdcleanup; 234 static periph_start_t cdstart; 235 static periph_oninv_t cdoninvalidate; 236 static void cdasync(void *callback_arg, u_int32_t code, 237 struct cam_path *path, void *arg); 238 static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); 239 static int cdrunccb(union ccb *ccb, 240 int (*error_routine)(union ccb *ccb, 241 u_int32_t cam_flags, 242 u_int32_t sense_flags), 243 u_int32_t cam_flags, u_int32_t sense_flags); 244 static void cddone(struct cam_periph *periph, 245 union ccb *start_ccb); 246 static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); 247 static int cdgetpagesize(int page_num); 248 static void cdprevent(struct cam_periph *periph, int action); 249 static int cdcheckmedia(struct cam_periph *periph); 250 static int cdsize(struct cam_periph *periph, u_int32_t *size); 251 static int cd6byteworkaround(union ccb *ccb); 252 static int cderror(union ccb *ccb, u_int32_t cam_flags, 253 u_int32_t sense_flags); 254 static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, 255 u_int32_t start, u_int8_t *data, 256 u_int32_t len, u_int32_t sense_flags); 257 static int cdgetmode(struct cam_periph *periph, 258 struct cd_mode_params *data, u_int32_t page); 259 static int cdsetmode(struct cam_periph *periph, 260 struct cd_mode_params *data); 261 static int cdplay(struct cam_periph *periph, u_int32_t blk, 262 u_int32_t len); 263 static int cdreadsubchannel(struct cam_periph *periph, 264 u_int32_t mode, u_int32_t format, 265 int track, 266 struct cd_sub_channel_info *data, 267 u_int32_t len); 268 static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, 269 u_int32_t starts, u_int32_t startf, 270 u_int32_t endm, u_int32_t ends, 271 u_int32_t endf); 272 static int cdplaytracks(struct cam_periph *periph, 273 u_int32_t strack, u_int32_t sindex, 274 u_int32_t etrack, u_int32_t eindex); 275 static int cdpause(struct cam_periph *periph, u_int32_t go); 276 static int cdstopunit(struct cam_periph *periph, u_int32_t eject); 277 static int cdstartunit(struct cam_periph *periph, int load); 278 static int cdsetspeed(struct cam_periph *periph, 279 u_int32_t rdspeed, u_int32_t wrspeed); 280 static int cdreportkey(struct cam_periph *periph, 281 struct dvd_authinfo *authinfo); 282 static int cdsendkey(struct cam_periph *periph, 283 struct dvd_authinfo *authinfo); 284 static int cdreaddvdstructure(struct cam_periph *periph, 285 struct dvd_struct *dvdstruct); 286 static timeout_t cdmediapoll; 287 288 static struct periph_driver cddriver = 289 { 290 cdinit, "cd", 291 TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 292 }; 293 294 PERIPHDRIVER_DECLARE(cd, cddriver); 295 296 #ifndef CD_DEFAULT_POLL_PERIOD 297 #define CD_DEFAULT_POLL_PERIOD 3 298 #endif 299 #ifndef CD_DEFAULT_RETRY 300 #define CD_DEFAULT_RETRY 4 301 #endif 302 #ifndef CD_DEFAULT_TIMEOUT 303 #define CD_DEFAULT_TIMEOUT 30000 304 #endif 305 306 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; 307 static int cd_retry_count = CD_DEFAULT_RETRY; 308 static int cd_timeout = CD_DEFAULT_TIMEOUT; 309 310 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); 311 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RWTUN, 312 &cd_poll_period, 0, "Media polling period in seconds"); 313 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RWTUN, 314 &cd_retry_count, 0, "Normal I/O retry count"); 315 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RWTUN, 316 &cd_timeout, 0, "Timeout, in us, for read operations"); 317 318 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); 319 320 static void 321 cdinit(void) 322 { 323 cam_status status; 324 325 /* 326 * Install a global async callback. This callback will 327 * receive async callbacks like "new device found". 328 */ 329 status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); 330 331 if (status != CAM_REQ_CMP) { 332 printf("cd: Failed to attach master async callback " 333 "due to status 0x%x!\n", status); 334 } 335 } 336 337 /* 338 * Callback from GEOM, called when it has finished cleaning up its 339 * resources. 340 */ 341 static void 342 cddiskgonecb(struct disk *dp) 343 { 344 struct cam_periph *periph; 345 346 periph = (struct cam_periph *)dp->d_drv1; 347 cam_periph_release(periph); 348 } 349 350 static void 351 cdoninvalidate(struct cam_periph *periph) 352 { 353 struct cd_softc *softc; 354 355 softc = (struct cd_softc *)periph->softc; 356 357 /* 358 * De-register any async callbacks. 359 */ 360 xpt_register_async(0, cdasync, periph, periph->path); 361 362 softc->flags |= CD_FLAG_INVALID; 363 364 /* 365 * Return all queued I/O with ENXIO. 366 * XXX Handle any transactions queued to the card 367 * with XPT_ABORT_CCB. 368 */ 369 bioq_flush(&softc->bio_queue, NULL, ENXIO); 370 371 disk_gone(softc->disk); 372 } 373 374 static void 375 cdcleanup(struct cam_periph *periph) 376 { 377 struct cd_softc *softc; 378 379 softc = (struct cd_softc *)periph->softc; 380 381 cam_periph_unlock(periph); 382 if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 383 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 384 xpt_print(periph->path, "can't remove sysctl context\n"); 385 } 386 387 callout_drain(&softc->mediapoll_c); 388 disk_destroy(softc->disk); 389 free(softc, M_DEVBUF); 390 cam_periph_lock(periph); 391 } 392 393 static void 394 cdasync(void *callback_arg, u_int32_t code, 395 struct cam_path *path, void *arg) 396 { 397 struct cam_periph *periph; 398 struct cd_softc *softc; 399 400 periph = (struct cam_periph *)callback_arg; 401 switch (code) { 402 case AC_FOUND_DEVICE: 403 { 404 struct ccb_getdev *cgd; 405 cam_status status; 406 407 cgd = (struct ccb_getdev *)arg; 408 if (cgd == NULL) 409 break; 410 411 if (cgd->protocol != PROTO_SCSI) 412 break; 413 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED) 414 break; 415 if (SID_TYPE(&cgd->inq_data) != T_CDROM 416 && SID_TYPE(&cgd->inq_data) != T_WORM) 417 break; 418 419 /* 420 * Allocate a peripheral instance for 421 * this device and start the probe 422 * process. 423 */ 424 status = cam_periph_alloc(cdregister, cdoninvalidate, 425 cdcleanup, cdstart, 426 "cd", CAM_PERIPH_BIO, 427 path, cdasync, 428 AC_FOUND_DEVICE, cgd); 429 430 if (status != CAM_REQ_CMP 431 && status != CAM_REQ_INPROG) 432 printf("cdasync: Unable to attach new device " 433 "due to status 0x%x\n", status); 434 435 break; 436 } 437 case AC_UNIT_ATTENTION: 438 { 439 union ccb *ccb; 440 int error_code, sense_key, asc, ascq; 441 442 softc = (struct cd_softc *)periph->softc; 443 ccb = (union ccb *)arg; 444 445 /* 446 * Handle all media change UNIT ATTENTIONs except 447 * our own, as they will be handled by cderror(). 448 */ 449 if (xpt_path_periph(ccb->ccb_h.path) != periph && 450 scsi_extract_sense_ccb(ccb, 451 &error_code, &sense_key, &asc, &ascq)) { 452 if (asc == 0x28 && ascq == 0x00) 453 disk_media_changed(softc->disk, M_NOWAIT); 454 } 455 cam_periph_async(periph, code, path, arg); 456 break; 457 } 458 case AC_SCSI_AEN: 459 softc = (struct cd_softc *)periph->softc; 460 if (softc->state == CD_STATE_NORMAL && !softc->tur) { 461 if (cam_periph_acquire(periph) == 0) { 462 softc->tur = 1; 463 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 464 } 465 } 466 /* FALLTHROUGH */ 467 case AC_SENT_BDR: 468 case AC_BUS_RESET: 469 { 470 struct ccb_hdr *ccbh; 471 472 softc = (struct cd_softc *)periph->softc; 473 /* 474 * Don't fail on the expected unit attention 475 * that will occur. 476 */ 477 softc->flags |= CD_FLAG_RETRY_UA; 478 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 479 ccbh->ccb_state |= CD_CCB_RETRY_UA; 480 /* FALLTHROUGH */ 481 } 482 default: 483 cam_periph_async(periph, code, path, arg); 484 break; 485 } 486 } 487 488 static void 489 cdsysctlinit(void *context, int pending) 490 { 491 struct cam_periph *periph; 492 struct cd_softc *softc; 493 char tmpstr[32], tmpstr2[16]; 494 495 periph = (struct cam_periph *)context; 496 if (cam_periph_acquire(periph) != 0) 497 return; 498 499 softc = (struct cd_softc *)periph->softc; 500 snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); 501 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 502 503 sysctl_ctx_init(&softc->sysctl_ctx); 504 softc->flags |= CD_FLAG_SCTX_INIT; 505 softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx, 506 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, 507 tmpstr2, CTLFLAG_RD, 0, tmpstr, "device_index"); 508 509 if (softc->sysctl_tree == NULL) { 510 printf("cdsysctlinit: unable to allocate sysctl tree\n"); 511 cam_periph_release(periph); 512 return; 513 } 514 515 /* 516 * Now register the sysctl handler, so the user can the value on 517 * the fly. 518 */ 519 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 520 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 521 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", 522 "Minimum CDB size"); 523 524 cam_periph_release(periph); 525 } 526 527 /* 528 * We have a handler function for this so we can check the values when the 529 * user sets them, instead of every time we look at them. 530 */ 531 static int 532 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) 533 { 534 int error, value; 535 536 value = *(int *)arg1; 537 538 error = sysctl_handle_int(oidp, &value, 0, req); 539 540 if ((error != 0) 541 || (req->newptr == NULL)) 542 return (error); 543 544 /* 545 * The only real values we can have here are 6 or 10. I don't 546 * really forsee having 12 be an option at any time in the future. 547 * So if the user sets something less than or equal to 6, we'll set 548 * it to 6. If he sets something greater than 6, we'll set it to 10. 549 * 550 * I suppose we could just return an error here for the wrong values, 551 * but I don't think it's necessary to do so, as long as we can 552 * determine the user's intent without too much trouble. 553 */ 554 if (value < 6) 555 value = 6; 556 else if (value > 6) 557 value = 10; 558 559 *(int *)arg1 = value; 560 561 return (0); 562 } 563 564 static cam_status 565 cdregister(struct cam_periph *periph, void *arg) 566 { 567 struct cd_softc *softc; 568 struct ccb_pathinq cpi; 569 struct ccb_getdev *cgd; 570 char tmpstr[80]; 571 caddr_t match; 572 573 cgd = (struct ccb_getdev *)arg; 574 if (cgd == NULL) { 575 printf("cdregister: no getdev CCB, can't register device\n"); 576 return(CAM_REQ_CMP_ERR); 577 } 578 579 softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, 580 M_NOWAIT | M_ZERO); 581 if (softc == NULL) { 582 printf("cdregister: Unable to probe new device. " 583 "Unable to allocate softc\n"); 584 return(CAM_REQ_CMP_ERR); 585 } 586 587 LIST_INIT(&softc->pending_ccbs); 588 STAILQ_INIT(&softc->mode_queue); 589 softc->state = CD_STATE_PROBE; 590 bioq_init(&softc->bio_queue); 591 if (SID_IS_REMOVABLE(&cgd->inq_data)) 592 softc->flags |= CD_FLAG_DISC_REMOVABLE; 593 594 periph->softc = softc; 595 softc->periph = periph; 596 597 /* 598 * See if this device has any quirks. 599 */ 600 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 601 (caddr_t)cd_quirk_table, 602 nitems(cd_quirk_table), 603 sizeof(*cd_quirk_table), scsi_inquiry_match); 604 605 if (match != NULL) 606 softc->quirks = ((struct cd_quirk_entry *)match)->quirks; 607 else 608 softc->quirks = CD_Q_NONE; 609 610 /* Check if the SIM does not want 6 byte commands */ 611 xpt_path_inq(&cpi, periph->path); 612 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 613 softc->quirks |= CD_Q_10_BYTE_ONLY; 614 615 TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); 616 617 /* The default is 6 byte commands, unless quirked otherwise */ 618 if (softc->quirks & CD_Q_10_BYTE_ONLY) 619 softc->minimum_command_size = 10; 620 else 621 softc->minimum_command_size = 6; 622 623 /* 624 * Refcount and block open attempts until we are setup 625 * Can't block 626 */ 627 (void)cam_periph_hold(periph, PRIBIO); 628 cam_periph_unlock(periph); 629 /* 630 * Load the user's default, if any. 631 */ 632 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", 633 periph->unit_number); 634 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); 635 636 /* 6 and 10 are the only permissible values here. */ 637 if (softc->minimum_command_size < 6) 638 softc->minimum_command_size = 6; 639 else if (softc->minimum_command_size > 6) 640 softc->minimum_command_size = 10; 641 642 /* 643 * We need to register the statistics structure for this device, 644 * but we don't have the blocksize yet for it. So, we register 645 * the structure and indicate that we don't have the blocksize 646 * yet. Unlike other SCSI peripheral drivers, we explicitly set 647 * the device type here to be CDROM, rather than just ORing in 648 * the device type. This is because this driver can attach to either 649 * CDROM or WORM devices, and we want this peripheral driver to 650 * show up in the devstat list as a CD peripheral driver, not a 651 * WORM peripheral driver. WORM drives will also have the WORM 652 * driver attached to them. 653 */ 654 softc->disk = disk_alloc(); 655 softc->disk->d_devstat = devstat_new_entry("cd", 656 periph->unit_number, 0, 657 DEVSTAT_BS_UNAVAILABLE, 658 DEVSTAT_TYPE_CDROM | 659 XPORT_DEVSTAT_TYPE(cpi.transport), 660 DEVSTAT_PRIORITY_CD); 661 softc->disk->d_open = cdopen; 662 softc->disk->d_close = cdclose; 663 softc->disk->d_strategy = cdstrategy; 664 softc->disk->d_gone = cddiskgonecb; 665 softc->disk->d_ioctl = cdioctl; 666 softc->disk->d_name = "cd"; 667 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 668 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 669 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 670 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 671 cgd->inq_data.product, sizeof(cgd->inq_data.product), 672 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 673 softc->disk->d_unit = periph->unit_number; 674 softc->disk->d_drv1 = periph; 675 if (cpi.maxio == 0) 676 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 677 else if (cpi.maxio > MAXPHYS) 678 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 679 else 680 softc->disk->d_maxsize = cpi.maxio; 681 softc->disk->d_flags = 0; 682 softc->disk->d_hba_vendor = cpi.hba_vendor; 683 softc->disk->d_hba_device = cpi.hba_device; 684 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 685 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 686 687 /* 688 * Acquire a reference to the periph before we register with GEOM. 689 * We'll release this reference once GEOM calls us back (via 690 * dadiskgonecb()) telling us that our provider has been freed. 691 */ 692 if (cam_periph_acquire(periph) != 0) { 693 xpt_print(periph->path, "%s: lost periph during " 694 "registration!\n", __func__); 695 cam_periph_lock(periph); 696 return (CAM_REQ_CMP_ERR); 697 } 698 699 disk_create(softc->disk, DISK_VERSION); 700 cam_periph_lock(periph); 701 702 /* 703 * Add an async callback so that we get 704 * notified if this device goes away. 705 */ 706 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 707 AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); 708 709 /* 710 * Schedule a periodic media polling events. 711 */ 712 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 713 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && 714 (cgd->inq_flags & SID_AEN) == 0 && 715 cd_poll_period != 0) 716 callout_reset(&softc->mediapoll_c, cd_poll_period * hz, 717 cdmediapoll, periph); 718 719 xpt_schedule(periph, CAM_PRIORITY_DEV); 720 return(CAM_REQ_CMP); 721 } 722 723 static int 724 cdopen(struct disk *dp) 725 { 726 struct cam_periph *periph; 727 struct cd_softc *softc; 728 int error; 729 730 periph = (struct cam_periph *)dp->d_drv1; 731 softc = (struct cd_softc *)periph->softc; 732 733 if (cam_periph_acquire(periph) != 0) 734 return(ENXIO); 735 736 cam_periph_lock(periph); 737 738 if (softc->flags & CD_FLAG_INVALID) { 739 cam_periph_release_locked(periph); 740 cam_periph_unlock(periph); 741 return(ENXIO); 742 } 743 744 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 745 cam_periph_release_locked(periph); 746 cam_periph_unlock(periph); 747 return (error); 748 } 749 750 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 751 ("cdopen\n")); 752 753 /* 754 * Check for media, and set the appropriate flags. We don't bail 755 * if we don't have media, but then we don't allow anything but the 756 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. 757 */ 758 cdcheckmedia(periph); 759 760 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); 761 cam_periph_unhold(periph); 762 763 cam_periph_unlock(periph); 764 765 return (0); 766 } 767 768 static int 769 cdclose(struct disk *dp) 770 { 771 struct cam_periph *periph; 772 struct cd_softc *softc; 773 774 periph = (struct cam_periph *)dp->d_drv1; 775 softc = (struct cd_softc *)periph->softc; 776 777 cam_periph_lock(periph); 778 if (cam_periph_hold(periph, PRIBIO) != 0) { 779 cam_periph_unlock(periph); 780 cam_periph_release(periph); 781 return (0); 782 } 783 784 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 785 ("cdclose\n")); 786 787 if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) 788 cdprevent(periph, PR_ALLOW); 789 790 /* 791 * Since we're closing this CD, mark the blocksize as unavailable. 792 * It will be marked as available when the CD is opened again. 793 */ 794 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 795 796 /* 797 * We'll check the media and toc again at the next open(). 798 */ 799 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 800 801 cam_periph_unhold(periph); 802 cam_periph_release_locked(periph); 803 cam_periph_unlock(periph); 804 805 return (0); 806 } 807 808 static int 809 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, 810 u_int32_t cam_flags, 811 u_int32_t sense_flags), 812 u_int32_t cam_flags, u_int32_t sense_flags) 813 { 814 struct cd_softc *softc; 815 struct cam_periph *periph; 816 int error; 817 818 periph = xpt_path_periph(ccb->ccb_h.path); 819 softc = (struct cd_softc *)periph->softc; 820 821 error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, 822 softc->disk->d_devstat); 823 824 return(error); 825 } 826 827 /* 828 * Actually translate the requested transfer into one the physical driver 829 * can understand. The transfer is described by a buf and will include 830 * only one physical transfer. 831 */ 832 static void 833 cdstrategy(struct bio *bp) 834 { 835 struct cam_periph *periph; 836 struct cd_softc *softc; 837 838 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 839 cam_periph_lock(periph); 840 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 841 ("cdstrategy(%p)\n", bp)); 842 843 softc = (struct cd_softc *)periph->softc; 844 845 /* 846 * If the device has been made invalid, error out 847 */ 848 if ((softc->flags & CD_FLAG_INVALID)) { 849 cam_periph_unlock(periph); 850 biofinish(bp, NULL, ENXIO); 851 return; 852 } 853 854 /* 855 * If we don't have valid media, look for it before trying to 856 * schedule the I/O. 857 */ 858 if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { 859 int error; 860 861 error = cdcheckmedia(periph); 862 if (error != 0) { 863 cam_periph_unlock(periph); 864 biofinish(bp, NULL, error); 865 return; 866 } 867 } 868 869 /* 870 * Place it in the queue of disk activities for this disk 871 */ 872 bioq_disksort(&softc->bio_queue, bp); 873 874 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 875 876 cam_periph_unlock(periph); 877 return; 878 } 879 880 static void 881 cdstart(struct cam_periph *periph, union ccb *start_ccb) 882 { 883 struct cd_softc *softc; 884 struct bio *bp; 885 struct ccb_scsiio *csio; 886 struct scsi_read_capacity_data *rcap; 887 888 softc = (struct cd_softc *)periph->softc; 889 890 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); 891 892 switch (softc->state) { 893 case CD_STATE_NORMAL: 894 { 895 bp = bioq_first(&softc->bio_queue); 896 if (bp == NULL) { 897 if (softc->tur) { 898 softc->tur = 0; 899 csio = &start_ccb->csio; 900 scsi_test_unit_ready(csio, 901 /*retries*/ cd_retry_count, 902 cddone, 903 MSG_SIMPLE_Q_TAG, 904 SSD_FULL_SIZE, 905 cd_timeout); 906 start_ccb->ccb_h.ccb_bp = NULL; 907 start_ccb->ccb_h.ccb_state = CD_CCB_TUR; 908 xpt_action(start_ccb); 909 } else 910 xpt_release_ccb(start_ccb); 911 } else { 912 if (softc->tur) { 913 softc->tur = 0; 914 cam_periph_release_locked(periph); 915 } 916 bioq_remove(&softc->bio_queue, bp); 917 918 scsi_read_write(&start_ccb->csio, 919 /*retries*/ cd_retry_count, 920 /* cbfcnp */ cddone, 921 MSG_SIMPLE_Q_TAG, 922 /* read */bp->bio_cmd == BIO_READ ? 923 SCSI_RW_READ : SCSI_RW_WRITE, 924 /* byte2 */ 0, 925 /* minimum_cmd_size */ 10, 926 /* lba */ bp->bio_offset / 927 softc->params.blksize, 928 bp->bio_bcount / softc->params.blksize, 929 /* data_ptr */ bp->bio_data, 930 /* dxfer_len */ bp->bio_bcount, 931 /* sense_len */ cd_retry_count ? 932 SSD_FULL_SIZE : SF_NO_PRINT, 933 /* timeout */ cd_timeout); 934 /* Use READ CD command for audio tracks. */ 935 if (softc->params.blksize == 2352) { 936 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; 937 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; 938 start_ccb->csio.cdb_io.cdb_bytes[10] = 0; 939 start_ccb->csio.cdb_io.cdb_bytes[11] = 0; 940 start_ccb->csio.cdb_len = 12; 941 } 942 start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; 943 944 945 LIST_INSERT_HEAD(&softc->pending_ccbs, 946 &start_ccb->ccb_h, periph_links.le); 947 softc->outstanding_cmds++; 948 949 /* We expect a unit attention from this device */ 950 if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { 951 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; 952 softc->flags &= ~CD_FLAG_RETRY_UA; 953 } 954 955 start_ccb->ccb_h.ccb_bp = bp; 956 bp = bioq_first(&softc->bio_queue); 957 958 xpt_action(start_ccb); 959 } 960 if (bp != NULL || softc->tur) { 961 /* Have more work to do, so ensure we stay scheduled */ 962 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 963 } 964 break; 965 } 966 case CD_STATE_PROBE: 967 { 968 969 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 970 M_SCSICD, M_NOWAIT | M_ZERO); 971 if (rcap == NULL) { 972 xpt_print(periph->path, 973 "cdstart: Couldn't malloc read_capacity data\n"); 974 /* cd_free_periph??? */ 975 break; 976 } 977 csio = &start_ccb->csio; 978 scsi_read_capacity(csio, 979 /*retries*/ cd_retry_count, 980 cddone, 981 MSG_SIMPLE_Q_TAG, 982 rcap, 983 SSD_FULL_SIZE, 984 /*timeout*/20000); 985 start_ccb->ccb_h.ccb_bp = NULL; 986 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; 987 xpt_action(start_ccb); 988 break; 989 } 990 } 991 } 992 993 static void 994 cddone(struct cam_periph *periph, union ccb *done_ccb) 995 { 996 struct cd_softc *softc; 997 struct ccb_scsiio *csio; 998 999 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); 1000 1001 softc = (struct cd_softc *)periph->softc; 1002 csio = &done_ccb->csio; 1003 1004 switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { 1005 case CD_CCB_BUFFER_IO: 1006 { 1007 struct bio *bp; 1008 int error; 1009 1010 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1011 error = 0; 1012 1013 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1014 int sf; 1015 1016 if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) 1017 sf = SF_RETRY_UA; 1018 else 1019 sf = 0; 1020 1021 error = cderror(done_ccb, CAM_RETRY_SELTO, sf); 1022 if (error == ERESTART) { 1023 /* 1024 * A retry was scheuled, so 1025 * just return. 1026 */ 1027 return; 1028 } 1029 } 1030 1031 if (error != 0) { 1032 xpt_print(periph->path, 1033 "cddone: got error %#x back\n", error); 1034 bioq_flush(&softc->bio_queue, NULL, EIO); 1035 bp->bio_resid = bp->bio_bcount; 1036 bp->bio_error = error; 1037 bp->bio_flags |= BIO_ERROR; 1038 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1039 cam_release_devq(done_ccb->ccb_h.path, 1040 /*relsim_flags*/0, 1041 /*reduction*/0, 1042 /*timeout*/0, 1043 /*getcount_only*/0); 1044 1045 } else { 1046 bp->bio_resid = csio->resid; 1047 bp->bio_error = 0; 1048 if (bp->bio_resid != 0) { 1049 /* 1050 * Short transfer ??? 1051 * XXX: not sure this is correct for partial 1052 * transfers at EOM 1053 */ 1054 bp->bio_flags |= BIO_ERROR; 1055 } 1056 } 1057 1058 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1059 softc->outstanding_cmds--; 1060 1061 biofinish(bp, NULL, 0); 1062 break; 1063 } 1064 case CD_CCB_PROBE: 1065 { 1066 struct scsi_read_capacity_data *rdcap; 1067 char *announce_buf; 1068 struct cd_params *cdp; 1069 int error; 1070 1071 cdp = &softc->params; 1072 announce_buf = softc->announce_temp; 1073 bzero(announce_buf, CD_ANNOUNCETMP_SZ); 1074 1075 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1076 1077 cdp->disksize = scsi_4btoul (rdcap->addr) + 1; 1078 cdp->blksize = scsi_4btoul (rdcap->length); 1079 1080 /* 1081 * Retry any UNIT ATTENTION type errors. They 1082 * are expected at boot. 1083 */ 1084 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || 1085 (error = cderror(done_ccb, CAM_RETRY_SELTO, 1086 SF_RETRY_UA | SF_NO_PRINT)) == 0) { 1087 snprintf(announce_buf, CD_ANNOUNCETMP_SZ, 1088 "%juMB (%ju %u byte sectors)", 1089 ((uintmax_t)cdp->disksize * cdp->blksize) / 1090 (1024 * 1024), 1091 (uintmax_t)cdp->disksize, cdp->blksize); 1092 } else { 1093 if (error == ERESTART) { 1094 /* 1095 * A retry was scheuled, so 1096 * just return. 1097 */ 1098 return; 1099 } else { 1100 int asc, ascq; 1101 int sense_key, error_code; 1102 int have_sense; 1103 cam_status status; 1104 struct ccb_getdev cgd; 1105 1106 /* Don't wedge this device's queue */ 1107 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1108 cam_release_devq(done_ccb->ccb_h.path, 1109 /*relsim_flags*/0, 1110 /*reduction*/0, 1111 /*timeout*/0, 1112 /*getcount_only*/0); 1113 1114 status = done_ccb->ccb_h.status; 1115 1116 xpt_setup_ccb(&cgd.ccb_h, 1117 done_ccb->ccb_h.path, 1118 CAM_PRIORITY_NORMAL); 1119 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1120 xpt_action((union ccb *)&cgd); 1121 1122 if (scsi_extract_sense_ccb(done_ccb, 1123 &error_code, &sense_key, &asc, &ascq)) 1124 have_sense = TRUE; 1125 else 1126 have_sense = FALSE; 1127 1128 /* 1129 * Attach to anything that claims to be a 1130 * CDROM or WORM device, as long as it 1131 * doesn't return a "Logical unit not 1132 * supported" (0x25) error. 1133 */ 1134 if ((have_sense) && (asc != 0x25) 1135 && (error_code == SSD_CURRENT_ERROR 1136 || error_code == SSD_DESC_CURRENT_ERROR)) { 1137 const char *sense_key_desc; 1138 const char *asc_desc; 1139 1140 scsi_sense_desc(sense_key, asc, ascq, 1141 &cgd.inq_data, 1142 &sense_key_desc, 1143 &asc_desc); 1144 snprintf(announce_buf, 1145 CD_ANNOUNCETMP_SZ, 1146 "Attempt to query device " 1147 "size failed: %s, %s", 1148 sense_key_desc, 1149 asc_desc); 1150 } else if ((have_sense == 0) 1151 && ((status & CAM_STATUS_MASK) == 1152 CAM_SCSI_STATUS_ERROR) 1153 && (csio->scsi_status == 1154 SCSI_STATUS_BUSY)) { 1155 snprintf(announce_buf, 1156 CD_ANNOUNCETMP_SZ, 1157 "Attempt to query device " 1158 "size failed: SCSI Status: %s", 1159 scsi_status_string(csio)); 1160 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { 1161 /* 1162 * We only print out an error for 1163 * CDROM type devices. For WORM 1164 * devices, we don't print out an 1165 * error since a few WORM devices 1166 * don't support CDROM commands. 1167 * If we have sense information, go 1168 * ahead and print it out. 1169 * Otherwise, just say that we 1170 * couldn't attach. 1171 */ 1172 1173 /* 1174 * Just print out the error, not 1175 * the full probe message, when we 1176 * don't attach. 1177 */ 1178 if (have_sense) 1179 scsi_sense_print( 1180 &done_ccb->csio); 1181 else { 1182 xpt_print(periph->path, 1183 "got CAM status %#x\n", 1184 done_ccb->ccb_h.status); 1185 } 1186 xpt_print(periph->path, "fatal error, " 1187 "failed to attach to device\n"); 1188 /* 1189 * Invalidate this peripheral. 1190 */ 1191 cam_periph_invalidate(periph); 1192 1193 announce_buf = NULL; 1194 } else { 1195 1196 /* 1197 * Invalidate this peripheral. 1198 */ 1199 cam_periph_invalidate(periph); 1200 announce_buf = NULL; 1201 } 1202 } 1203 } 1204 free(rdcap, M_SCSICD); 1205 if (announce_buf != NULL) { 1206 struct sbuf sb; 1207 1208 sbuf_new(&sb, softc->announce_buf, CD_ANNOUNCE_SZ, 1209 SBUF_FIXEDLEN); 1210 xpt_announce_periph_sbuf(periph, &sb, announce_buf); 1211 xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, 1212 CD_Q_BIT_STRING); 1213 sbuf_finish(&sb); 1214 sbuf_putbuf(&sb); 1215 1216 /* 1217 * Create our sysctl variables, now that we know 1218 * we have successfully attached. 1219 */ 1220 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1221 } 1222 softc->state = CD_STATE_NORMAL; 1223 /* 1224 * Since our peripheral may be invalidated by an error 1225 * above or an external event, we must release our CCB 1226 * before releasing the probe lock on the peripheral. 1227 * The peripheral will only go away once the last lock 1228 * is removed, and we need it around for the CCB release 1229 * operation. 1230 */ 1231 xpt_release_ccb(done_ccb); 1232 cam_periph_unhold(periph); 1233 return; 1234 } 1235 case CD_CCB_TUR: 1236 { 1237 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1238 1239 if (cderror(done_ccb, CAM_RETRY_SELTO, 1240 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 1241 ERESTART) 1242 return; 1243 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1244 cam_release_devq(done_ccb->ccb_h.path, 1245 /*relsim_flags*/0, 1246 /*reduction*/0, 1247 /*timeout*/0, 1248 /*getcount_only*/0); 1249 } 1250 xpt_release_ccb(done_ccb); 1251 cam_periph_release_locked(periph); 1252 return; 1253 } 1254 default: 1255 break; 1256 } 1257 xpt_release_ccb(done_ccb); 1258 } 1259 1260 static union cd_pages * 1261 cdgetpage(struct cd_mode_params *mode_params) 1262 { 1263 union cd_pages *page; 1264 1265 if (mode_params->cdb_size == 10) 1266 page = (union cd_pages *)find_mode_page_10( 1267 (struct scsi_mode_header_10 *)mode_params->mode_buf); 1268 else 1269 page = (union cd_pages *)find_mode_page_6( 1270 (struct scsi_mode_header_6 *)mode_params->mode_buf); 1271 1272 return (page); 1273 } 1274 1275 static int 1276 cdgetpagesize(int page_num) 1277 { 1278 u_int i; 1279 1280 for (i = 0; i < nitems(cd_page_size_table); i++) { 1281 if (cd_page_size_table[i].page == page_num) 1282 return (cd_page_size_table[i].page_size); 1283 } 1284 1285 return (-1); 1286 } 1287 1288 static struct cd_toc_entry * 1289 te_data_get_ptr(void *irtep, u_long cmd) 1290 { 1291 union { 1292 struct ioc_read_toc_entry irte; 1293 #ifdef COMPAT_FREEBSD32 1294 struct ioc_read_toc_entry32 irte32; 1295 #endif 1296 } *irteup; 1297 1298 irteup = irtep; 1299 switch (IOCPARM_LEN(cmd)) { 1300 case sizeof(irteup->irte): 1301 return (irteup->irte.data); 1302 #ifdef COMPAT_FREEBSD32 1303 case sizeof(irteup->irte32): 1304 return ((struct cd_toc_entry *)(uintptr_t)irteup->irte32.data); 1305 #endif 1306 default: 1307 panic("Unhandled ioctl command %ld", cmd); 1308 } 1309 } 1310 1311 static int 1312 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) 1313 { 1314 1315 struct cam_periph *periph; 1316 struct cd_softc *softc; 1317 int nocopyout, error = 0; 1318 1319 periph = (struct cam_periph *)dp->d_drv1; 1320 cam_periph_lock(periph); 1321 1322 softc = (struct cd_softc *)periph->softc; 1323 1324 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 1325 ("cdioctl(%#lx)\n", cmd)); 1326 1327 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { 1328 cam_periph_unlock(periph); 1329 cam_periph_release(periph); 1330 return (error); 1331 } 1332 1333 /* 1334 * If we don't have media loaded, check for it. If still don't 1335 * have media loaded, we can only do a load or eject. 1336 * 1337 * We only care whether media is loaded if this is a cd-specific ioctl 1338 * (thus the IOCGROUP check below). Note that this will break if 1339 * anyone adds any ioctls into the switch statement below that don't 1340 * have their ioctl group set to 'c'. 1341 */ 1342 if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) 1343 && ((cmd != CDIOCCLOSE) 1344 && (cmd != CDIOCEJECT)) 1345 && (IOCGROUP(cmd) == 'c')) { 1346 error = cdcheckmedia(periph); 1347 if (error != 0) { 1348 cam_periph_unhold(periph); 1349 cam_periph_unlock(periph); 1350 return (error); 1351 } 1352 } 1353 /* 1354 * Drop the lock here so later mallocs can use WAITOK. The periph 1355 * is essentially locked still with the cam_periph_hold call above. 1356 */ 1357 cam_periph_unlock(periph); 1358 1359 nocopyout = 0; 1360 switch (cmd) { 1361 1362 case CDIOCPLAYTRACKS: 1363 { 1364 struct ioc_play_track *args 1365 = (struct ioc_play_track *) addr; 1366 struct cd_mode_params params; 1367 union cd_pages *page; 1368 1369 params.alloc_len = sizeof(union cd_mode_data_6_10); 1370 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1371 M_WAITOK | M_ZERO); 1372 1373 cam_periph_lock(periph); 1374 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1375 ("trying to do CDIOCPLAYTRACKS\n")); 1376 1377 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1378 if (error) { 1379 free(params.mode_buf, M_SCSICD); 1380 cam_periph_unlock(periph); 1381 break; 1382 } 1383 page = cdgetpage(¶ms); 1384 1385 page->audio.flags &= ~CD_PA_SOTC; 1386 page->audio.flags |= CD_PA_IMMED; 1387 error = cdsetmode(periph, ¶ms); 1388 free(params.mode_buf, M_SCSICD); 1389 if (error) { 1390 cam_periph_unlock(periph); 1391 break; 1392 } 1393 1394 /* 1395 * This was originally implemented with the PLAY 1396 * AUDIO TRACK INDEX command, but that command was 1397 * deprecated after SCSI-2. Most (all?) SCSI CDROM 1398 * drives support it but ATAPI and ATAPI-derivative 1399 * drives don't seem to support it. So we keep a 1400 * cache of the table of contents and translate 1401 * track numbers to MSF format. 1402 */ 1403 if (softc->flags & CD_FLAG_VALID_TOC) { 1404 union msf_lba *sentry, *eentry; 1405 int st, et; 1406 1407 if (args->end_track < 1408 softc->toc.header.ending_track + 1) 1409 args->end_track++; 1410 if (args->end_track > 1411 softc->toc.header.ending_track + 1) 1412 args->end_track = 1413 softc->toc.header.ending_track + 1; 1414 st = args->start_track - 1415 softc->toc.header.starting_track; 1416 et = args->end_track - 1417 softc->toc.header.starting_track; 1418 if ((st < 0) 1419 || (et < 0) 1420 || (st > (softc->toc.header.ending_track - 1421 softc->toc.header.starting_track))) { 1422 error = EINVAL; 1423 cam_periph_unlock(periph); 1424 break; 1425 } 1426 sentry = &softc->toc.entries[st].addr; 1427 eentry = &softc->toc.entries[et].addr; 1428 error = cdplaymsf(periph, 1429 sentry->msf.minute, 1430 sentry->msf.second, 1431 sentry->msf.frame, 1432 eentry->msf.minute, 1433 eentry->msf.second, 1434 eentry->msf.frame); 1435 } else { 1436 /* 1437 * If we don't have a valid TOC, try the 1438 * play track index command. It is part of 1439 * the SCSI-2 spec, but was removed in the 1440 * MMC specs. ATAPI and ATAPI-derived 1441 * drives don't support it. 1442 */ 1443 if (softc->quirks & CD_Q_BCD_TRACKS) { 1444 args->start_track = 1445 bin2bcd(args->start_track); 1446 args->end_track = 1447 bin2bcd(args->end_track); 1448 } 1449 error = cdplaytracks(periph, 1450 args->start_track, 1451 args->start_index, 1452 args->end_track, 1453 args->end_index); 1454 } 1455 cam_periph_unlock(periph); 1456 } 1457 break; 1458 case CDIOCPLAYMSF: 1459 { 1460 struct ioc_play_msf *args 1461 = (struct ioc_play_msf *) addr; 1462 struct cd_mode_params params; 1463 union cd_pages *page; 1464 1465 params.alloc_len = sizeof(union cd_mode_data_6_10); 1466 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1467 M_WAITOK | M_ZERO); 1468 1469 cam_periph_lock(periph); 1470 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1471 ("trying to do CDIOCPLAYMSF\n")); 1472 1473 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1474 if (error) { 1475 free(params.mode_buf, M_SCSICD); 1476 cam_periph_unlock(periph); 1477 break; 1478 } 1479 page = cdgetpage(¶ms); 1480 1481 page->audio.flags &= ~CD_PA_SOTC; 1482 page->audio.flags |= CD_PA_IMMED; 1483 error = cdsetmode(periph, ¶ms); 1484 free(params.mode_buf, M_SCSICD); 1485 if (error) { 1486 cam_periph_unlock(periph); 1487 break; 1488 } 1489 error = cdplaymsf(periph, 1490 args->start_m, 1491 args->start_s, 1492 args->start_f, 1493 args->end_m, 1494 args->end_s, 1495 args->end_f); 1496 cam_periph_unlock(periph); 1497 } 1498 break; 1499 case CDIOCPLAYBLOCKS: 1500 { 1501 struct ioc_play_blocks *args 1502 = (struct ioc_play_blocks *) addr; 1503 struct cd_mode_params params; 1504 union cd_pages *page; 1505 1506 params.alloc_len = sizeof(union cd_mode_data_6_10); 1507 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1508 M_WAITOK | M_ZERO); 1509 1510 cam_periph_lock(periph); 1511 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1512 ("trying to do CDIOCPLAYBLOCKS\n")); 1513 1514 1515 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1516 if (error) { 1517 free(params.mode_buf, M_SCSICD); 1518 cam_periph_unlock(periph); 1519 break; 1520 } 1521 page = cdgetpage(¶ms); 1522 1523 page->audio.flags &= ~CD_PA_SOTC; 1524 page->audio.flags |= CD_PA_IMMED; 1525 error = cdsetmode(periph, ¶ms); 1526 free(params.mode_buf, M_SCSICD); 1527 if (error) { 1528 cam_periph_unlock(periph); 1529 break; 1530 } 1531 error = cdplay(periph, args->blk, args->len); 1532 cam_periph_unlock(periph); 1533 } 1534 break; 1535 case CDIOCREADSUBCHANNEL_SYSSPACE: 1536 nocopyout = 1; 1537 /* Fallthrough */ 1538 case CDIOCREADSUBCHANNEL: 1539 { 1540 struct ioc_read_subchannel *args 1541 = (struct ioc_read_subchannel *) addr; 1542 struct cd_sub_channel_info *data; 1543 u_int32_t len = args->data_len; 1544 1545 data = malloc(sizeof(struct cd_sub_channel_info), 1546 M_SCSICD, M_WAITOK | M_ZERO); 1547 1548 cam_periph_lock(periph); 1549 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1550 ("trying to do CDIOCREADSUBCHANNEL\n")); 1551 1552 if ((len > sizeof(struct cd_sub_channel_info)) || 1553 (len < sizeof(struct cd_sub_channel_header))) { 1554 printf( 1555 "scsi_cd: cdioctl: " 1556 "cdioreadsubchannel: error, len=%d\n", 1557 len); 1558 error = EINVAL; 1559 free(data, M_SCSICD); 1560 cam_periph_unlock(periph); 1561 break; 1562 } 1563 1564 if (softc->quirks & CD_Q_BCD_TRACKS) 1565 args->track = bin2bcd(args->track); 1566 1567 error = cdreadsubchannel(periph, args->address_format, 1568 args->data_format, args->track, data, len); 1569 1570 if (error) { 1571 free(data, M_SCSICD); 1572 cam_periph_unlock(periph); 1573 break; 1574 } 1575 if (softc->quirks & CD_Q_BCD_TRACKS) 1576 data->what.track_info.track_number = 1577 bcd2bin(data->what.track_info.track_number); 1578 len = min(len, ((data->header.data_len[0] << 8) + 1579 data->header.data_len[1] + 1580 sizeof(struct cd_sub_channel_header))); 1581 cam_periph_unlock(periph); 1582 if (nocopyout == 0) { 1583 if (copyout(data, args->data, len) != 0) { 1584 error = EFAULT; 1585 } 1586 } else { 1587 bcopy(data, args->data, len); 1588 } 1589 free(data, M_SCSICD); 1590 } 1591 break; 1592 1593 case CDIOREADTOCHEADER: 1594 { 1595 struct ioc_toc_header *th; 1596 1597 th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, 1598 M_WAITOK | M_ZERO); 1599 1600 cam_periph_lock(periph); 1601 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1602 ("trying to do CDIOREADTOCHEADER\n")); 1603 1604 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1605 sizeof (*th), /*sense_flags*/SF_NO_PRINT); 1606 if (error) { 1607 free(th, M_SCSICD); 1608 cam_periph_unlock(periph); 1609 break; 1610 } 1611 if (softc->quirks & CD_Q_BCD_TRACKS) { 1612 /* we are going to have to convert the BCD 1613 * encoding on the cd to what is expected 1614 */ 1615 th->starting_track = 1616 bcd2bin(th->starting_track); 1617 th->ending_track = bcd2bin(th->ending_track); 1618 } 1619 th->len = ntohs(th->len); 1620 bcopy(th, addr, sizeof(*th)); 1621 free(th, M_SCSICD); 1622 cam_periph_unlock(periph); 1623 } 1624 break; 1625 case CDIOREADTOCENTRYS: 1626 #ifdef COMPAT_FREEBSD32 1627 case CDIOREADTOCENTRYS_32: 1628 #endif 1629 { 1630 struct cd_tocdata *data; 1631 struct cd_toc_single *lead; 1632 struct ioc_read_toc_entry *te = 1633 (struct ioc_read_toc_entry *) addr; 1634 struct ioc_toc_header *th; 1635 u_int32_t len, readlen, idx, num; 1636 u_int32_t starting_track = te->starting_track; 1637 1638 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1639 lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); 1640 1641 cam_periph_lock(periph); 1642 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1643 ("trying to do CDIOREADTOCENTRYS\n")); 1644 1645 if (te->data_len < sizeof(struct cd_toc_entry) 1646 || (te->data_len % sizeof(struct cd_toc_entry)) != 0 1647 || (te->address_format != CD_MSF_FORMAT 1648 && te->address_format != CD_LBA_FORMAT)) { 1649 error = EINVAL; 1650 printf("scsi_cd: error in readtocentries, " 1651 "returning EINVAL\n"); 1652 free(data, M_SCSICD); 1653 free(lead, M_SCSICD); 1654 cam_periph_unlock(periph); 1655 break; 1656 } 1657 1658 th = &data->header; 1659 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1660 sizeof (*th), /*sense_flags*/0); 1661 if (error) { 1662 free(data, M_SCSICD); 1663 free(lead, M_SCSICD); 1664 cam_periph_unlock(periph); 1665 break; 1666 } 1667 1668 if (softc->quirks & CD_Q_BCD_TRACKS) { 1669 /* we are going to have to convert the BCD 1670 * encoding on the cd to what is expected 1671 */ 1672 th->starting_track = 1673 bcd2bin(th->starting_track); 1674 th->ending_track = bcd2bin(th->ending_track); 1675 } 1676 1677 if (starting_track == 0) 1678 starting_track = th->starting_track; 1679 else if (starting_track == LEADOUT) 1680 starting_track = th->ending_track + 1; 1681 else if (starting_track < th->starting_track || 1682 starting_track > th->ending_track + 1) { 1683 printf("scsi_cd: error in readtocentries, " 1684 "returning EINVAL\n"); 1685 free(data, M_SCSICD); 1686 free(lead, M_SCSICD); 1687 cam_periph_unlock(periph); 1688 error = EINVAL; 1689 break; 1690 } 1691 1692 /* calculate reading length without leadout entry */ 1693 readlen = (th->ending_track - starting_track + 1) * 1694 sizeof(struct cd_toc_entry); 1695 1696 /* and with leadout entry */ 1697 len = readlen + sizeof(struct cd_toc_entry); 1698 if (te->data_len < len) { 1699 len = te->data_len; 1700 if (readlen > len) 1701 readlen = len; 1702 } 1703 if (len > sizeof(data->entries)) { 1704 printf("scsi_cd: error in readtocentries, " 1705 "returning EINVAL\n"); 1706 error = EINVAL; 1707 free(data, M_SCSICD); 1708 free(lead, M_SCSICD); 1709 cam_periph_unlock(periph); 1710 break; 1711 } 1712 num = len / sizeof(struct cd_toc_entry); 1713 1714 if (readlen > 0) { 1715 error = cdreadtoc(periph, te->address_format, 1716 starting_track, 1717 (u_int8_t *)data, 1718 readlen + sizeof (*th), 1719 /*sense_flags*/0); 1720 if (error) { 1721 free(data, M_SCSICD); 1722 free(lead, M_SCSICD); 1723 cam_periph_unlock(periph); 1724 break; 1725 } 1726 } 1727 1728 /* make leadout entry if needed */ 1729 idx = starting_track + num - 1; 1730 if (softc->quirks & CD_Q_BCD_TRACKS) 1731 th->ending_track = bcd2bin(th->ending_track); 1732 if (idx == th->ending_track + 1) { 1733 error = cdreadtoc(periph, te->address_format, 1734 LEADOUT, (u_int8_t *)lead, 1735 sizeof(*lead), 1736 /*sense_flags*/0); 1737 if (error) { 1738 free(data, M_SCSICD); 1739 free(lead, M_SCSICD); 1740 cam_periph_unlock(periph); 1741 break; 1742 } 1743 data->entries[idx - starting_track] = 1744 lead->entry; 1745 } 1746 if (softc->quirks & CD_Q_BCD_TRACKS) { 1747 for (idx = 0; idx < num - 1; idx++) { 1748 data->entries[idx].track = 1749 bcd2bin(data->entries[idx].track); 1750 } 1751 } 1752 1753 cam_periph_unlock(periph); 1754 error = copyout(data->entries, te_data_get_ptr(te, cmd), 1755 len); 1756 free(data, M_SCSICD); 1757 free(lead, M_SCSICD); 1758 } 1759 break; 1760 case CDIOREADTOCENTRY: 1761 { 1762 struct cd_toc_single *data; 1763 struct ioc_read_toc_single_entry *te = 1764 (struct ioc_read_toc_single_entry *) addr; 1765 struct ioc_toc_header *th; 1766 u_int32_t track; 1767 1768 data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); 1769 1770 cam_periph_lock(periph); 1771 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1772 ("trying to do CDIOREADTOCENTRY\n")); 1773 1774 if (te->address_format != CD_MSF_FORMAT 1775 && te->address_format != CD_LBA_FORMAT) { 1776 printf("error in readtocentry, " 1777 " returning EINVAL\n"); 1778 free(data, M_SCSICD); 1779 error = EINVAL; 1780 cam_periph_unlock(periph); 1781 break; 1782 } 1783 1784 th = &data->header; 1785 error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 1786 sizeof (*th), /*sense_flags*/0); 1787 if (error) { 1788 free(data, M_SCSICD); 1789 cam_periph_unlock(periph); 1790 break; 1791 } 1792 1793 if (softc->quirks & CD_Q_BCD_TRACKS) { 1794 /* we are going to have to convert the BCD 1795 * encoding on the cd to what is expected 1796 */ 1797 th->starting_track = 1798 bcd2bin(th->starting_track); 1799 th->ending_track = bcd2bin(th->ending_track); 1800 } 1801 track = te->track; 1802 if (track == 0) 1803 track = th->starting_track; 1804 else if (track == LEADOUT) 1805 /* OK */; 1806 else if (track < th->starting_track || 1807 track > th->ending_track + 1) { 1808 printf("error in readtocentry, " 1809 " returning EINVAL\n"); 1810 free(data, M_SCSICD); 1811 error = EINVAL; 1812 cam_periph_unlock(periph); 1813 break; 1814 } 1815 1816 error = cdreadtoc(periph, te->address_format, track, 1817 (u_int8_t *)data, sizeof(*data), 1818 /*sense_flags*/0); 1819 if (error) { 1820 free(data, M_SCSICD); 1821 cam_periph_unlock(periph); 1822 break; 1823 } 1824 1825 if (softc->quirks & CD_Q_BCD_TRACKS) 1826 data->entry.track = bcd2bin(data->entry.track); 1827 bcopy(&data->entry, &te->entry, 1828 sizeof(struct cd_toc_entry)); 1829 free(data, M_SCSICD); 1830 cam_periph_unlock(periph); 1831 } 1832 break; 1833 case CDIOCSETPATCH: 1834 { 1835 struct ioc_patch *arg = (struct ioc_patch *)addr; 1836 struct cd_mode_params params; 1837 union cd_pages *page; 1838 1839 params.alloc_len = sizeof(union cd_mode_data_6_10); 1840 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1841 M_WAITOK | M_ZERO); 1842 1843 cam_periph_lock(periph); 1844 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1845 ("trying to do CDIOCSETPATCH\n")); 1846 1847 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1848 if (error) { 1849 free(params.mode_buf, M_SCSICD); 1850 cam_periph_unlock(periph); 1851 break; 1852 } 1853 page = cdgetpage(¶ms); 1854 1855 page->audio.port[LEFT_PORT].channels = 1856 arg->patch[0]; 1857 page->audio.port[RIGHT_PORT].channels = 1858 arg->patch[1]; 1859 page->audio.port[2].channels = arg->patch[2]; 1860 page->audio.port[3].channels = arg->patch[3]; 1861 error = cdsetmode(periph, ¶ms); 1862 free(params.mode_buf, M_SCSICD); 1863 cam_periph_unlock(periph); 1864 } 1865 break; 1866 case CDIOCGETVOL: 1867 { 1868 struct ioc_vol *arg = (struct ioc_vol *) addr; 1869 struct cd_mode_params params; 1870 union cd_pages *page; 1871 1872 params.alloc_len = sizeof(union cd_mode_data_6_10); 1873 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1874 M_WAITOK | M_ZERO); 1875 1876 cam_periph_lock(periph); 1877 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1878 ("trying to do CDIOCGETVOL\n")); 1879 1880 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1881 if (error) { 1882 free(params.mode_buf, M_SCSICD); 1883 cam_periph_unlock(periph); 1884 break; 1885 } 1886 page = cdgetpage(¶ms); 1887 1888 arg->vol[LEFT_PORT] = 1889 page->audio.port[LEFT_PORT].volume; 1890 arg->vol[RIGHT_PORT] = 1891 page->audio.port[RIGHT_PORT].volume; 1892 arg->vol[2] = page->audio.port[2].volume; 1893 arg->vol[3] = page->audio.port[3].volume; 1894 free(params.mode_buf, M_SCSICD); 1895 cam_periph_unlock(periph); 1896 } 1897 break; 1898 case CDIOCSETVOL: 1899 { 1900 struct ioc_vol *arg = (struct ioc_vol *) addr; 1901 struct cd_mode_params params; 1902 union cd_pages *page; 1903 1904 params.alloc_len = sizeof(union cd_mode_data_6_10); 1905 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1906 M_WAITOK | M_ZERO); 1907 1908 cam_periph_lock(periph); 1909 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1910 ("trying to do CDIOCSETVOL\n")); 1911 1912 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1913 if (error) { 1914 free(params.mode_buf, M_SCSICD); 1915 cam_periph_unlock(periph); 1916 break; 1917 } 1918 page = cdgetpage(¶ms); 1919 1920 page->audio.port[LEFT_PORT].channels = CHANNEL_0; 1921 page->audio.port[LEFT_PORT].volume = 1922 arg->vol[LEFT_PORT]; 1923 page->audio.port[RIGHT_PORT].channels = CHANNEL_1; 1924 page->audio.port[RIGHT_PORT].volume = 1925 arg->vol[RIGHT_PORT]; 1926 page->audio.port[2].volume = arg->vol[2]; 1927 page->audio.port[3].volume = arg->vol[3]; 1928 error = cdsetmode(periph, ¶ms); 1929 cam_periph_unlock(periph); 1930 free(params.mode_buf, M_SCSICD); 1931 } 1932 break; 1933 case CDIOCSETMONO: 1934 { 1935 struct cd_mode_params params; 1936 union cd_pages *page; 1937 1938 params.alloc_len = sizeof(union cd_mode_data_6_10); 1939 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1940 M_WAITOK | M_ZERO); 1941 1942 cam_periph_lock(periph); 1943 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1944 ("trying to do CDIOCSETMONO\n")); 1945 1946 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1947 if (error) { 1948 free(params.mode_buf, M_SCSICD); 1949 cam_periph_unlock(periph); 1950 break; 1951 } 1952 page = cdgetpage(¶ms); 1953 1954 page->audio.port[LEFT_PORT].channels = 1955 LEFT_CHANNEL | RIGHT_CHANNEL; 1956 page->audio.port[RIGHT_PORT].channels = 1957 LEFT_CHANNEL | RIGHT_CHANNEL; 1958 page->audio.port[2].channels = 0; 1959 page->audio.port[3].channels = 0; 1960 error = cdsetmode(periph, ¶ms); 1961 cam_periph_unlock(periph); 1962 free(params.mode_buf, M_SCSICD); 1963 } 1964 break; 1965 case CDIOCSETSTEREO: 1966 { 1967 struct cd_mode_params params; 1968 union cd_pages *page; 1969 1970 params.alloc_len = sizeof(union cd_mode_data_6_10); 1971 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 1972 M_WAITOK | M_ZERO); 1973 1974 cam_periph_lock(periph); 1975 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1976 ("trying to do CDIOCSETSTEREO\n")); 1977 1978 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 1979 if (error) { 1980 free(params.mode_buf, M_SCSICD); 1981 cam_periph_unlock(periph); 1982 break; 1983 } 1984 page = cdgetpage(¶ms); 1985 1986 page->audio.port[LEFT_PORT].channels = 1987 LEFT_CHANNEL; 1988 page->audio.port[RIGHT_PORT].channels = 1989 RIGHT_CHANNEL; 1990 page->audio.port[2].channels = 0; 1991 page->audio.port[3].channels = 0; 1992 error = cdsetmode(periph, ¶ms); 1993 free(params.mode_buf, M_SCSICD); 1994 cam_periph_unlock(periph); 1995 } 1996 break; 1997 case CDIOCSETMUTE: 1998 { 1999 struct cd_mode_params params; 2000 union cd_pages *page; 2001 2002 params.alloc_len = sizeof(union cd_mode_data_6_10); 2003 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2004 M_WAITOK | M_ZERO); 2005 2006 cam_periph_lock(periph); 2007 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2008 ("trying to do CDIOCSETMUTE\n")); 2009 2010 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2011 if (error) { 2012 free(params.mode_buf, M_SCSICD); 2013 cam_periph_unlock(periph); 2014 break; 2015 } 2016 page = cdgetpage(¶ms); 2017 2018 page->audio.port[LEFT_PORT].channels = 0; 2019 page->audio.port[RIGHT_PORT].channels = 0; 2020 page->audio.port[2].channels = 0; 2021 page->audio.port[3].channels = 0; 2022 error = cdsetmode(periph, ¶ms); 2023 free(params.mode_buf, M_SCSICD); 2024 cam_periph_unlock(periph); 2025 } 2026 break; 2027 case CDIOCSETLEFT: 2028 { 2029 struct cd_mode_params params; 2030 union cd_pages *page; 2031 2032 params.alloc_len = sizeof(union cd_mode_data_6_10); 2033 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2034 M_WAITOK | M_ZERO); 2035 2036 cam_periph_lock(periph); 2037 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2038 ("trying to do CDIOCSETLEFT\n")); 2039 2040 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2041 if (error) { 2042 free(params.mode_buf, M_SCSICD); 2043 cam_periph_unlock(periph); 2044 break; 2045 } 2046 page = cdgetpage(¶ms); 2047 2048 page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; 2049 page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; 2050 page->audio.port[2].channels = 0; 2051 page->audio.port[3].channels = 0; 2052 error = cdsetmode(periph, ¶ms); 2053 free(params.mode_buf, M_SCSICD); 2054 cam_periph_unlock(periph); 2055 } 2056 break; 2057 case CDIOCSETRIGHT: 2058 { 2059 struct cd_mode_params params; 2060 union cd_pages *page; 2061 2062 params.alloc_len = sizeof(union cd_mode_data_6_10); 2063 params.mode_buf = malloc(params.alloc_len, M_SCSICD, 2064 M_WAITOK | M_ZERO); 2065 2066 cam_periph_lock(periph); 2067 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2068 ("trying to do CDIOCSETRIGHT\n")); 2069 2070 error = cdgetmode(periph, ¶ms, AUDIO_PAGE); 2071 if (error) { 2072 free(params.mode_buf, M_SCSICD); 2073 cam_periph_unlock(periph); 2074 break; 2075 } 2076 page = cdgetpage(¶ms); 2077 2078 page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; 2079 page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; 2080 page->audio.port[2].channels = 0; 2081 page->audio.port[3].channels = 0; 2082 error = cdsetmode(periph, ¶ms); 2083 free(params.mode_buf, M_SCSICD); 2084 cam_periph_unlock(periph); 2085 } 2086 break; 2087 case CDIOCRESUME: 2088 cam_periph_lock(periph); 2089 error = cdpause(periph, 1); 2090 cam_periph_unlock(periph); 2091 break; 2092 case CDIOCPAUSE: 2093 cam_periph_lock(periph); 2094 error = cdpause(periph, 0); 2095 cam_periph_unlock(periph); 2096 break; 2097 case CDIOCSTART: 2098 cam_periph_lock(periph); 2099 error = cdstartunit(periph, 0); 2100 cam_periph_unlock(periph); 2101 break; 2102 case CDIOCCLOSE: 2103 cam_periph_lock(periph); 2104 error = cdstartunit(periph, 1); 2105 cam_periph_unlock(periph); 2106 break; 2107 case CDIOCSTOP: 2108 cam_periph_lock(periph); 2109 error = cdstopunit(periph, 0); 2110 cam_periph_unlock(periph); 2111 break; 2112 case CDIOCEJECT: 2113 cam_periph_lock(periph); 2114 error = cdstopunit(periph, 1); 2115 cam_periph_unlock(periph); 2116 break; 2117 case CDIOCALLOW: 2118 cam_periph_lock(periph); 2119 cdprevent(periph, PR_ALLOW); 2120 cam_periph_unlock(periph); 2121 break; 2122 case CDIOCPREVENT: 2123 cam_periph_lock(periph); 2124 cdprevent(periph, PR_PREVENT); 2125 cam_periph_unlock(periph); 2126 break; 2127 case CDIOCSETDEBUG: 2128 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ 2129 error = ENOTTY; 2130 break; 2131 case CDIOCCLRDEBUG: 2132 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ 2133 error = ENOTTY; 2134 break; 2135 case CDIOCRESET: 2136 /* return (cd_reset(periph)); */ 2137 error = ENOTTY; 2138 break; 2139 case CDRIOCREADSPEED: 2140 cam_periph_lock(periph); 2141 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); 2142 cam_periph_unlock(periph); 2143 break; 2144 case CDRIOCWRITESPEED: 2145 cam_periph_lock(periph); 2146 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); 2147 cam_periph_unlock(periph); 2148 break; 2149 case CDRIOCGETBLOCKSIZE: 2150 *(int *)addr = softc->params.blksize; 2151 break; 2152 case CDRIOCSETBLOCKSIZE: 2153 if (*(int *)addr <= 0) { 2154 error = EINVAL; 2155 break; 2156 } 2157 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; 2158 break; 2159 case DVDIOCSENDKEY: 2160 case DVDIOCREPORTKEY: { 2161 struct dvd_authinfo *authinfo; 2162 2163 authinfo = (struct dvd_authinfo *)addr; 2164 2165 if (cmd == DVDIOCREPORTKEY) 2166 error = cdreportkey(periph, authinfo); 2167 else 2168 error = cdsendkey(periph, authinfo); 2169 break; 2170 } 2171 case DVDIOCREADSTRUCTURE: { 2172 struct dvd_struct *dvdstruct; 2173 2174 dvdstruct = (struct dvd_struct *)addr; 2175 2176 error = cdreaddvdstructure(periph, dvdstruct); 2177 2178 break; 2179 } 2180 default: 2181 cam_periph_lock(periph); 2182 error = cam_periph_ioctl(periph, cmd, addr, cderror); 2183 cam_periph_unlock(periph); 2184 break; 2185 } 2186 2187 cam_periph_lock(periph); 2188 cam_periph_unhold(periph); 2189 2190 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); 2191 if (error && bootverbose) { 2192 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); 2193 } 2194 cam_periph_unlock(periph); 2195 2196 return (error); 2197 } 2198 2199 static void 2200 cdprevent(struct cam_periph *periph, int action) 2201 { 2202 union ccb *ccb; 2203 struct cd_softc *softc; 2204 int error; 2205 2206 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); 2207 2208 softc = (struct cd_softc *)periph->softc; 2209 2210 if (((action == PR_ALLOW) 2211 && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) 2212 || ((action == PR_PREVENT) 2213 && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { 2214 return; 2215 } 2216 2217 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2218 2219 scsi_prevent(&ccb->csio, 2220 /*retries*/ cd_retry_count, 2221 /*cbfcnp*/NULL, 2222 MSG_SIMPLE_Q_TAG, 2223 action, 2224 SSD_FULL_SIZE, 2225 /* timeout */60000); 2226 2227 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2228 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2229 2230 xpt_release_ccb(ccb); 2231 2232 if (error == 0) { 2233 if (action == PR_ALLOW) 2234 softc->flags &= ~CD_FLAG_DISC_LOCKED; 2235 else 2236 softc->flags |= CD_FLAG_DISC_LOCKED; 2237 } 2238 } 2239 2240 /* 2241 * XXX: the disk media and sector size is only really able to change 2242 * XXX: while the device is closed. 2243 */ 2244 static int 2245 cdcheckmedia(struct cam_periph *periph) 2246 { 2247 struct cd_softc *softc; 2248 struct ioc_toc_header *toch; 2249 struct cd_toc_single leadout; 2250 u_int32_t size, toclen; 2251 int error, num_entries, cdindex; 2252 2253 softc = (struct cd_softc *)periph->softc; 2254 2255 cdprevent(periph, PR_PREVENT); 2256 softc->disk->d_sectorsize = 2048; 2257 softc->disk->d_mediasize = 0; 2258 2259 /* 2260 * Get the disc size and block size. If we can't get it, we don't 2261 * have media, most likely. 2262 */ 2263 if ((error = cdsize(periph, &size)) != 0) { 2264 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); 2265 cdprevent(periph, PR_ALLOW); 2266 return (error); 2267 } else { 2268 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; 2269 softc->disk->d_sectorsize = softc->params.blksize; 2270 softc->disk->d_mediasize = 2271 (off_t)softc->params.blksize * softc->params.disksize; 2272 } 2273 2274 /* 2275 * Now we check the table of contents. This (currently) is only 2276 * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do 2277 * things like present a separate entry in /dev for each track, 2278 * like that acd(4) driver does. 2279 */ 2280 bzero(&softc->toc, sizeof(softc->toc)); 2281 toch = &softc->toc.header; 2282 /* 2283 * We will get errors here for media that doesn't have a table of 2284 * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP 2285 * command is presented for a DDCD/CD-R/RW media, where the first TOC 2286 * has not been recorded (no complete session) and the Format codes 2287 * 0000b, 0001b, or 0010b are specified, this command shall be rejected 2288 * with an INVALID FIELD IN CDB. Devices that are not capable of 2289 * reading an incomplete session on DDC/CD-R/RW media shall report 2290 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." 2291 * 2292 * So this isn't fatal if we can't read the table of contents, it 2293 * just means that the user won't be able to issue the play tracks 2294 * ioctl, and likely lots of other stuff won't work either. They 2295 * need to burn the CD before we can do a whole lot with it. So 2296 * we don't print anything here if we get an error back. 2297 */ 2298 error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), 2299 SF_NO_PRINT); 2300 /* 2301 * Errors in reading the table of contents aren't fatal, we just 2302 * won't have a valid table of contents cached. 2303 */ 2304 if (error != 0) { 2305 error = 0; 2306 bzero(&softc->toc, sizeof(softc->toc)); 2307 goto bailout; 2308 } 2309 2310 if (softc->quirks & CD_Q_BCD_TRACKS) { 2311 toch->starting_track = bcd2bin(toch->starting_track); 2312 toch->ending_track = bcd2bin(toch->ending_track); 2313 } 2314 2315 /* Number of TOC entries, plus leadout */ 2316 num_entries = (toch->ending_track - toch->starting_track) + 2; 2317 2318 if (num_entries <= 0) 2319 goto bailout; 2320 2321 toclen = num_entries * sizeof(struct cd_toc_entry); 2322 2323 error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, 2324 (u_int8_t *)&softc->toc, toclen + sizeof(*toch), 2325 SF_NO_PRINT); 2326 if (error != 0) { 2327 error = 0; 2328 bzero(&softc->toc, sizeof(softc->toc)); 2329 goto bailout; 2330 } 2331 2332 if (softc->quirks & CD_Q_BCD_TRACKS) { 2333 toch->starting_track = bcd2bin(toch->starting_track); 2334 toch->ending_track = bcd2bin(toch->ending_track); 2335 } 2336 /* 2337 * XXX KDM is this necessary? Probably only if the drive doesn't 2338 * return leadout information with the table of contents. 2339 */ 2340 cdindex = toch->starting_track + num_entries -1; 2341 if (cdindex == toch->ending_track + 1) { 2342 2343 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 2344 (u_int8_t *)&leadout, sizeof(leadout), 2345 SF_NO_PRINT); 2346 if (error != 0) { 2347 error = 0; 2348 goto bailout; 2349 } 2350 softc->toc.entries[cdindex - toch->starting_track] = 2351 leadout.entry; 2352 } 2353 if (softc->quirks & CD_Q_BCD_TRACKS) { 2354 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { 2355 softc->toc.entries[cdindex].track = 2356 bcd2bin(softc->toc.entries[cdindex].track); 2357 } 2358 } 2359 2360 softc->flags |= CD_FLAG_VALID_TOC; 2361 2362 /* If the first track is audio, correct sector size. */ 2363 if ((softc->toc.entries[0].control & 4) == 0) { 2364 softc->disk->d_sectorsize = softc->params.blksize = 2352; 2365 softc->disk->d_mediasize = 2366 (off_t)softc->params.blksize * softc->params.disksize; 2367 } 2368 2369 bailout: 2370 2371 /* 2372 * We unconditionally (re)set the blocksize each time the 2373 * CD device is opened. This is because the CD can change, 2374 * and therefore the blocksize might change. 2375 * XXX problems here if some slice or partition is still 2376 * open with the old size? 2377 */ 2378 if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) 2379 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 2380 softc->disk->d_devstat->block_size = softc->params.blksize; 2381 2382 return (error); 2383 } 2384 2385 static int 2386 cdsize(struct cam_periph *periph, u_int32_t *size) 2387 { 2388 struct cd_softc *softc; 2389 union ccb *ccb; 2390 struct scsi_read_capacity_data *rcap_buf; 2391 int error; 2392 2393 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); 2394 2395 softc = (struct cd_softc *)periph->softc; 2396 2397 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2398 2399 /* XXX Should be M_WAITOK */ 2400 rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 2401 M_SCSICD, M_NOWAIT | M_ZERO); 2402 if (rcap_buf == NULL) 2403 return (ENOMEM); 2404 2405 scsi_read_capacity(&ccb->csio, 2406 /*retries*/ cd_retry_count, 2407 /*cbfcnp*/NULL, 2408 MSG_SIMPLE_Q_TAG, 2409 rcap_buf, 2410 SSD_FULL_SIZE, 2411 /* timeout */20000); 2412 2413 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2414 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); 2415 2416 xpt_release_ccb(ccb); 2417 2418 softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; 2419 softc->params.blksize = scsi_4btoul(rcap_buf->length); 2420 /* Make sure we got at least some block size. */ 2421 if (error == 0 && softc->params.blksize == 0) 2422 error = EIO; 2423 /* 2424 * SCSI-3 mandates that the reported blocksize shall be 2048. 2425 * Older drives sometimes report funny values, trim it down to 2426 * 2048, or other parts of the kernel will get confused. 2427 * 2428 * XXX we leave drives alone that might report 512 bytes, as 2429 * well as drives reporting more weird sizes like perhaps 4K. 2430 */ 2431 if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) 2432 softc->params.blksize = 2048; 2433 2434 free(rcap_buf, M_SCSICD); 2435 *size = softc->params.disksize; 2436 2437 return (error); 2438 2439 } 2440 2441 static int 2442 cd6byteworkaround(union ccb *ccb) 2443 { 2444 u_int8_t *cdb; 2445 struct cam_periph *periph; 2446 struct cd_softc *softc; 2447 struct cd_mode_params *params; 2448 int frozen, found; 2449 2450 periph = xpt_path_periph(ccb->ccb_h.path); 2451 softc = (struct cd_softc *)periph->softc; 2452 2453 cdb = ccb->csio.cdb_io.cdb_bytes; 2454 2455 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) 2456 || ((cdb[0] != MODE_SENSE_6) 2457 && (cdb[0] != MODE_SELECT_6))) 2458 return (0); 2459 2460 /* 2461 * Because there is no convenient place to stash the overall 2462 * cd_mode_params structure pointer, we have to grab it like this. 2463 * This means that ALL MODE_SENSE and MODE_SELECT requests in the 2464 * cd(4) driver MUST go through cdgetmode() and cdsetmode()! 2465 * 2466 * XXX It would be nice if, at some point, we could increase the 2467 * number of available peripheral private pointers. Both pointers 2468 * are currently used in most every peripheral driver. 2469 */ 2470 found = 0; 2471 2472 STAILQ_FOREACH(params, &softc->mode_queue, links) { 2473 if (params->mode_buf == ccb->csio.data_ptr) { 2474 found = 1; 2475 break; 2476 } 2477 } 2478 2479 /* 2480 * This shouldn't happen. All mode sense and mode select 2481 * operations in the cd(4) driver MUST go through cdgetmode() and 2482 * cdsetmode()! 2483 */ 2484 if (found == 0) { 2485 xpt_print(periph->path, 2486 "mode buffer not found in mode queue!\n"); 2487 return (0); 2488 } 2489 2490 params->cdb_size = 10; 2491 softc->minimum_command_size = 10; 2492 xpt_print(ccb->ccb_h.path, 2493 "%s(6) failed, increasing minimum CDB size to 10 bytes\n", 2494 (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); 2495 2496 if (cdb[0] == MODE_SENSE_6) { 2497 struct scsi_mode_sense_10 ms10; 2498 struct scsi_mode_sense_6 *ms6; 2499 int len; 2500 2501 ms6 = (struct scsi_mode_sense_6 *)cdb; 2502 2503 bzero(&ms10, sizeof(ms10)); 2504 ms10.opcode = MODE_SENSE_10; 2505 ms10.byte2 = ms6->byte2; 2506 ms10.page = ms6->page; 2507 2508 /* 2509 * 10 byte mode header, block descriptor, 2510 * sizeof(union cd_pages) 2511 */ 2512 len = sizeof(struct cd_mode_data_10); 2513 ccb->csio.dxfer_len = len; 2514 2515 scsi_ulto2b(len, ms10.length); 2516 ms10.control = ms6->control; 2517 bcopy(&ms10, cdb, 10); 2518 ccb->csio.cdb_len = 10; 2519 } else { 2520 struct scsi_mode_select_10 ms10; 2521 struct scsi_mode_select_6 *ms6; 2522 struct scsi_mode_header_6 *header6; 2523 struct scsi_mode_header_10 *header10; 2524 struct scsi_mode_page_header *page_header; 2525 int blk_desc_len, page_num, page_size, len; 2526 2527 ms6 = (struct scsi_mode_select_6 *)cdb; 2528 2529 bzero(&ms10, sizeof(ms10)); 2530 ms10.opcode = MODE_SELECT_10; 2531 ms10.byte2 = ms6->byte2; 2532 2533 header6 = (struct scsi_mode_header_6 *)params->mode_buf; 2534 header10 = (struct scsi_mode_header_10 *)params->mode_buf; 2535 2536 page_header = find_mode_page_6(header6); 2537 page_num = page_header->page_code; 2538 2539 blk_desc_len = header6->blk_desc_len; 2540 2541 page_size = cdgetpagesize(page_num); 2542 2543 if (page_size != (page_header->page_length + 2544 sizeof(*page_header))) 2545 page_size = page_header->page_length + 2546 sizeof(*page_header); 2547 2548 len = sizeof(*header10) + blk_desc_len + page_size; 2549 2550 len = min(params->alloc_len, len); 2551 2552 /* 2553 * Since the 6 byte parameter header is shorter than the 10 2554 * byte parameter header, we need to copy the actual mode 2555 * page data, and the block descriptor, if any, so things wind 2556 * up in the right place. The regions will overlap, but 2557 * bcopy() does the right thing. 2558 */ 2559 bcopy(params->mode_buf + sizeof(*header6), 2560 params->mode_buf + sizeof(*header10), 2561 len - sizeof(*header10)); 2562 2563 /* Make sure these fields are set correctly. */ 2564 scsi_ulto2b(0, header10->data_length); 2565 header10->medium_type = 0; 2566 scsi_ulto2b(blk_desc_len, header10->blk_desc_len); 2567 2568 ccb->csio.dxfer_len = len; 2569 2570 scsi_ulto2b(len, ms10.length); 2571 ms10.control = ms6->control; 2572 bcopy(&ms10, cdb, 10); 2573 ccb->csio.cdb_len = 10; 2574 } 2575 2576 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2577 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2578 xpt_action(ccb); 2579 if (frozen) { 2580 cam_release_devq(ccb->ccb_h.path, 2581 /*relsim_flags*/0, 2582 /*openings*/0, 2583 /*timeout*/0, 2584 /*getcount_only*/0); 2585 } 2586 2587 return (ERESTART); 2588 } 2589 2590 static int 2591 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2592 { 2593 struct cd_softc *softc; 2594 struct cam_periph *periph; 2595 int error, error_code, sense_key, asc, ascq; 2596 2597 periph = xpt_path_periph(ccb->ccb_h.path); 2598 softc = (struct cd_softc *)periph->softc; 2599 2600 error = 0; 2601 2602 /* 2603 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte 2604 * CDB comes back with this particular error, try transforming it 2605 * into the 10 byte version. 2606 */ 2607 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 2608 error = cd6byteworkaround(ccb); 2609 } else if (scsi_extract_sense_ccb(ccb, 2610 &error_code, &sense_key, &asc, &ascq)) { 2611 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 2612 error = cd6byteworkaround(ccb); 2613 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 2614 asc == 0x28 && ascq == 0x00) 2615 disk_media_changed(softc->disk, M_NOWAIT); 2616 else if (sense_key == SSD_KEY_NOT_READY && 2617 asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { 2618 softc->flags &= ~CD_FLAG_SAW_MEDIA; 2619 disk_media_gone(softc->disk, M_NOWAIT); 2620 } 2621 } 2622 2623 if (error == ERESTART) 2624 return (error); 2625 2626 /* 2627 * XXX 2628 * Until we have a better way of doing pack validation, 2629 * don't treat UAs as errors. 2630 */ 2631 sense_flags |= SF_RETRY_UA; 2632 2633 if (softc->quirks & CD_Q_RETRY_BUSY) 2634 sense_flags |= SF_RETRY_BUSY; 2635 return (cam_periph_error(ccb, cam_flags, sense_flags)); 2636 } 2637 2638 static void 2639 cdmediapoll(void *arg) 2640 { 2641 struct cam_periph *periph = arg; 2642 struct cd_softc *softc = periph->softc; 2643 2644 if (softc->state == CD_STATE_NORMAL && !softc->tur && 2645 softc->outstanding_cmds == 0) { 2646 if (cam_periph_acquire(periph) == 0) { 2647 softc->tur = 1; 2648 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 2649 } 2650 } 2651 /* Queue us up again */ 2652 if (cd_poll_period != 0) 2653 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); 2654 } 2655 2656 /* 2657 * Read table of contents 2658 */ 2659 static int 2660 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 2661 u_int8_t *data, u_int32_t len, u_int32_t sense_flags) 2662 { 2663 struct scsi_read_toc *scsi_cmd; 2664 u_int32_t ntoc; 2665 struct ccb_scsiio *csio; 2666 union ccb *ccb; 2667 int error; 2668 2669 ntoc = len; 2670 error = 0; 2671 2672 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2673 2674 csio = &ccb->csio; 2675 2676 cam_fill_csio(csio, 2677 /* retries */ cd_retry_count, 2678 /* cbfcnp */ NULL, 2679 /* flags */ CAM_DIR_IN, 2680 /* tag_action */ MSG_SIMPLE_Q_TAG, 2681 /* data_ptr */ data, 2682 /* dxfer_len */ len, 2683 /* sense_len */ SSD_FULL_SIZE, 2684 sizeof(struct scsi_read_toc), 2685 /* timeout */ 50000); 2686 2687 scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; 2688 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2689 2690 if (mode == CD_MSF_FORMAT) 2691 scsi_cmd->byte2 |= CD_MSF; 2692 scsi_cmd->from_track = start; 2693 /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ 2694 scsi_cmd->data_len[0] = (ntoc) >> 8; 2695 scsi_cmd->data_len[1] = (ntoc) & 0xff; 2696 2697 scsi_cmd->op_code = READ_TOC; 2698 2699 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2700 /*sense_flags*/SF_RETRY_UA | sense_flags); 2701 2702 xpt_release_ccb(ccb); 2703 2704 return(error); 2705 } 2706 2707 static int 2708 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 2709 u_int32_t format, int track, 2710 struct cd_sub_channel_info *data, u_int32_t len) 2711 { 2712 struct scsi_read_subchannel *scsi_cmd; 2713 struct ccb_scsiio *csio; 2714 union ccb *ccb; 2715 int error; 2716 2717 error = 0; 2718 2719 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2720 2721 csio = &ccb->csio; 2722 2723 cam_fill_csio(csio, 2724 /* retries */ cd_retry_count, 2725 /* cbfcnp */ NULL, 2726 /* flags */ CAM_DIR_IN, 2727 /* tag_action */ MSG_SIMPLE_Q_TAG, 2728 /* data_ptr */ (u_int8_t *)data, 2729 /* dxfer_len */ len, 2730 /* sense_len */ SSD_FULL_SIZE, 2731 sizeof(struct scsi_read_subchannel), 2732 /* timeout */ 50000); 2733 2734 scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; 2735 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2736 2737 scsi_cmd->op_code = READ_SUBCHANNEL; 2738 if (mode == CD_MSF_FORMAT) 2739 scsi_cmd->byte1 |= CD_MSF; 2740 scsi_cmd->byte2 = SRS_SUBQ; 2741 scsi_cmd->subchan_format = format; 2742 scsi_cmd->track = track; 2743 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); 2744 scsi_cmd->control = 0; 2745 2746 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2747 /*sense_flags*/SF_RETRY_UA); 2748 2749 xpt_release_ccb(ccb); 2750 2751 return(error); 2752 } 2753 2754 2755 /* 2756 * All MODE_SENSE requests in the cd(4) driver MUST go through this 2757 * routine. See comments in cd6byteworkaround() for details. 2758 */ 2759 static int 2760 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, 2761 u_int32_t page) 2762 { 2763 struct ccb_scsiio *csio; 2764 struct cd_softc *softc; 2765 union ccb *ccb; 2766 int param_len; 2767 int error; 2768 2769 softc = (struct cd_softc *)periph->softc; 2770 2771 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2772 2773 csio = &ccb->csio; 2774 2775 data->cdb_size = softc->minimum_command_size; 2776 if (data->cdb_size < 10) 2777 param_len = sizeof(struct cd_mode_data); 2778 else 2779 param_len = sizeof(struct cd_mode_data_10); 2780 2781 /* Don't say we've got more room than we actually allocated */ 2782 param_len = min(param_len, data->alloc_len); 2783 2784 scsi_mode_sense_len(csio, 2785 /* retries */ cd_retry_count, 2786 /* cbfcnp */ NULL, 2787 /* tag_action */ MSG_SIMPLE_Q_TAG, 2788 /* dbd */ 0, 2789 /* page_code */ SMS_PAGE_CTRL_CURRENT, 2790 /* page */ page, 2791 /* param_buf */ data->mode_buf, 2792 /* param_len */ param_len, 2793 /* minimum_cmd_size */ softc->minimum_command_size, 2794 /* sense_len */ SSD_FULL_SIZE, 2795 /* timeout */ 50000); 2796 2797 /* 2798 * It would be nice not to have to do this, but there's no 2799 * available pointer in the CCB that would allow us to stuff the 2800 * mode params structure in there and retrieve it in 2801 * cd6byteworkaround(), so we can set the cdb size. The cdb size 2802 * lets the caller know what CDB size we ended up using, so they 2803 * can find the actual mode page offset. 2804 */ 2805 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2806 2807 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2808 /*sense_flags*/SF_RETRY_UA); 2809 2810 xpt_release_ccb(ccb); 2811 2812 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2813 2814 /* 2815 * This is a bit of belt-and-suspenders checking, but if we run 2816 * into a situation where the target sends back multiple block 2817 * descriptors, we might not have enough space in the buffer to 2818 * see the whole mode page. Better to return an error than 2819 * potentially access memory beyond our malloced region. 2820 */ 2821 if (error == 0) { 2822 u_int32_t data_len; 2823 2824 if (data->cdb_size == 10) { 2825 struct scsi_mode_header_10 *hdr10; 2826 2827 hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; 2828 data_len = scsi_2btoul(hdr10->data_length); 2829 data_len += sizeof(hdr10->data_length); 2830 } else { 2831 struct scsi_mode_header_6 *hdr6; 2832 2833 hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; 2834 data_len = hdr6->data_length; 2835 data_len += sizeof(hdr6->data_length); 2836 } 2837 2838 /* 2839 * Complain if there is more mode data available than we 2840 * allocated space for. This could potentially happen if 2841 * we miscalculated the page length for some reason, if the 2842 * drive returns multiple block descriptors, or if it sets 2843 * the data length incorrectly. 2844 */ 2845 if (data_len > data->alloc_len) { 2846 xpt_print(periph->path, "allocated modepage %d length " 2847 "%d < returned length %d\n", page, data->alloc_len, 2848 data_len); 2849 error = ENOSPC; 2850 } 2851 } 2852 return (error); 2853 } 2854 2855 /* 2856 * All MODE_SELECT requests in the cd(4) driver MUST go through this 2857 * routine. See comments in cd6byteworkaround() for details. 2858 */ 2859 static int 2860 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) 2861 { 2862 struct ccb_scsiio *csio; 2863 struct cd_softc *softc; 2864 union ccb *ccb; 2865 int cdb_size, param_len; 2866 int error; 2867 2868 softc = (struct cd_softc *)periph->softc; 2869 2870 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2871 2872 csio = &ccb->csio; 2873 2874 error = 0; 2875 2876 /* 2877 * If the data is formatted for the 10 byte version of the mode 2878 * select parameter list, we need to use the 10 byte CDB. 2879 * Otherwise, we use whatever the stored minimum command size. 2880 */ 2881 if (data->cdb_size == 10) 2882 cdb_size = data->cdb_size; 2883 else 2884 cdb_size = softc->minimum_command_size; 2885 2886 if (cdb_size >= 10) { 2887 struct scsi_mode_header_10 *mode_header; 2888 u_int32_t data_len; 2889 2890 mode_header = (struct scsi_mode_header_10 *)data->mode_buf; 2891 2892 data_len = scsi_2btoul(mode_header->data_length); 2893 2894 scsi_ulto2b(0, mode_header->data_length); 2895 /* 2896 * SONY drives do not allow a mode select with a medium_type 2897 * value that has just been returned by a mode sense; use a 2898 * medium_type of 0 (Default) instead. 2899 */ 2900 mode_header->medium_type = 0; 2901 2902 /* 2903 * Pass back whatever the drive passed to us, plus the size 2904 * of the data length field. 2905 */ 2906 param_len = data_len + sizeof(mode_header->data_length); 2907 2908 } else { 2909 struct scsi_mode_header_6 *mode_header; 2910 2911 mode_header = (struct scsi_mode_header_6 *)data->mode_buf; 2912 2913 param_len = mode_header->data_length + 1; 2914 2915 mode_header->data_length = 0; 2916 /* 2917 * SONY drives do not allow a mode select with a medium_type 2918 * value that has just been returned by a mode sense; use a 2919 * medium_type of 0 (Default) instead. 2920 */ 2921 mode_header->medium_type = 0; 2922 } 2923 2924 /* Don't say we've got more room than we actually allocated */ 2925 param_len = min(param_len, data->alloc_len); 2926 2927 scsi_mode_select_len(csio, 2928 /* retries */ cd_retry_count, 2929 /* cbfcnp */ NULL, 2930 /* tag_action */ MSG_SIMPLE_Q_TAG, 2931 /* scsi_page_fmt */ 1, 2932 /* save_pages */ 0, 2933 /* param_buf */ data->mode_buf, 2934 /* param_len */ param_len, 2935 /* minimum_cmd_size */ cdb_size, 2936 /* sense_len */ SSD_FULL_SIZE, 2937 /* timeout */ 50000); 2938 2939 /* See comments in cdgetmode() and cd6byteworkaround(). */ 2940 STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); 2941 2942 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 2943 /*sense_flags*/SF_RETRY_UA); 2944 2945 xpt_release_ccb(ccb); 2946 2947 STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); 2948 2949 return (error); 2950 } 2951 2952 2953 static int 2954 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) 2955 { 2956 struct ccb_scsiio *csio; 2957 union ccb *ccb; 2958 int error; 2959 u_int8_t cdb_len; 2960 2961 error = 0; 2962 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2963 csio = &ccb->csio; 2964 /* 2965 * Use the smallest possible command to perform the operation. 2966 */ 2967 if ((len & 0xffff0000) == 0) { 2968 /* 2969 * We can fit in a 10 byte cdb. 2970 */ 2971 struct scsi_play_10 *scsi_cmd; 2972 2973 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; 2974 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2975 scsi_cmd->op_code = PLAY_10; 2976 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2977 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); 2978 cdb_len = sizeof(*scsi_cmd); 2979 } else { 2980 struct scsi_play_12 *scsi_cmd; 2981 2982 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; 2983 bzero (scsi_cmd, sizeof(*scsi_cmd)); 2984 scsi_cmd->op_code = PLAY_12; 2985 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); 2986 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); 2987 cdb_len = sizeof(*scsi_cmd); 2988 } 2989 cam_fill_csio(csio, 2990 /*retries*/ cd_retry_count, 2991 /*cbfcnp*/NULL, 2992 /*flags*/CAM_DIR_NONE, 2993 MSG_SIMPLE_Q_TAG, 2994 /*dataptr*/NULL, 2995 /*datalen*/0, 2996 /*sense_len*/SSD_FULL_SIZE, 2997 cdb_len, 2998 /*timeout*/50 * 1000); 2999 3000 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3001 /*sense_flags*/SF_RETRY_UA); 3002 3003 xpt_release_ccb(ccb); 3004 3005 return(error); 3006 } 3007 3008 static int 3009 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, 3010 u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) 3011 { 3012 struct scsi_play_msf *scsi_cmd; 3013 struct ccb_scsiio *csio; 3014 union ccb *ccb; 3015 int error; 3016 3017 error = 0; 3018 3019 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3020 3021 csio = &ccb->csio; 3022 3023 cam_fill_csio(csio, 3024 /* retries */ cd_retry_count, 3025 /* cbfcnp */ NULL, 3026 /* flags */ CAM_DIR_NONE, 3027 /* tag_action */ MSG_SIMPLE_Q_TAG, 3028 /* data_ptr */ NULL, 3029 /* dxfer_len */ 0, 3030 /* sense_len */ SSD_FULL_SIZE, 3031 sizeof(struct scsi_play_msf), 3032 /* timeout */ 50000); 3033 3034 scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; 3035 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3036 3037 scsi_cmd->op_code = PLAY_MSF; 3038 scsi_cmd->start_m = startm; 3039 scsi_cmd->start_s = starts; 3040 scsi_cmd->start_f = startf; 3041 scsi_cmd->end_m = endm; 3042 scsi_cmd->end_s = ends; 3043 scsi_cmd->end_f = endf; 3044 3045 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3046 /*sense_flags*/SF_RETRY_UA); 3047 3048 xpt_release_ccb(ccb); 3049 3050 return(error); 3051 } 3052 3053 3054 static int 3055 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, 3056 u_int32_t etrack, u_int32_t eindex) 3057 { 3058 struct scsi_play_track *scsi_cmd; 3059 struct ccb_scsiio *csio; 3060 union ccb *ccb; 3061 int error; 3062 3063 error = 0; 3064 3065 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3066 3067 csio = &ccb->csio; 3068 3069 cam_fill_csio(csio, 3070 /* retries */ cd_retry_count, 3071 /* cbfcnp */ NULL, 3072 /* flags */ CAM_DIR_NONE, 3073 /* tag_action */ MSG_SIMPLE_Q_TAG, 3074 /* data_ptr */ NULL, 3075 /* dxfer_len */ 0, 3076 /* sense_len */ SSD_FULL_SIZE, 3077 sizeof(struct scsi_play_track), 3078 /* timeout */ 50000); 3079 3080 scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; 3081 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3082 3083 scsi_cmd->op_code = PLAY_TRACK; 3084 scsi_cmd->start_track = strack; 3085 scsi_cmd->start_index = sindex; 3086 scsi_cmd->end_track = etrack; 3087 scsi_cmd->end_index = eindex; 3088 3089 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3090 /*sense_flags*/SF_RETRY_UA); 3091 3092 xpt_release_ccb(ccb); 3093 3094 return(error); 3095 } 3096 3097 static int 3098 cdpause(struct cam_periph *periph, u_int32_t go) 3099 { 3100 struct scsi_pause *scsi_cmd; 3101 struct ccb_scsiio *csio; 3102 union ccb *ccb; 3103 int error; 3104 3105 error = 0; 3106 3107 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3108 3109 csio = &ccb->csio; 3110 3111 cam_fill_csio(csio, 3112 /* retries */ cd_retry_count, 3113 /* cbfcnp */ NULL, 3114 /* flags */ CAM_DIR_NONE, 3115 /* tag_action */ MSG_SIMPLE_Q_TAG, 3116 /* data_ptr */ NULL, 3117 /* dxfer_len */ 0, 3118 /* sense_len */ SSD_FULL_SIZE, 3119 sizeof(struct scsi_pause), 3120 /* timeout */ 50000); 3121 3122 scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; 3123 bzero (scsi_cmd, sizeof(*scsi_cmd)); 3124 3125 scsi_cmd->op_code = PAUSE; 3126 scsi_cmd->resume = go; 3127 3128 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3129 /*sense_flags*/SF_RETRY_UA); 3130 3131 xpt_release_ccb(ccb); 3132 3133 return(error); 3134 } 3135 3136 static int 3137 cdstartunit(struct cam_periph *periph, int load) 3138 { 3139 union ccb *ccb; 3140 int error; 3141 3142 error = 0; 3143 3144 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3145 3146 scsi_start_stop(&ccb->csio, 3147 /* retries */ cd_retry_count, 3148 /* cbfcnp */ NULL, 3149 /* tag_action */ MSG_SIMPLE_Q_TAG, 3150 /* start */ TRUE, 3151 /* load_eject */ load, 3152 /* immediate */ FALSE, 3153 /* sense_len */ SSD_FULL_SIZE, 3154 /* timeout */ 50000); 3155 3156 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3157 /*sense_flags*/SF_RETRY_UA); 3158 3159 xpt_release_ccb(ccb); 3160 3161 return(error); 3162 } 3163 3164 static int 3165 cdstopunit(struct cam_periph *periph, u_int32_t eject) 3166 { 3167 union ccb *ccb; 3168 int error; 3169 3170 error = 0; 3171 3172 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3173 3174 scsi_start_stop(&ccb->csio, 3175 /* retries */ cd_retry_count, 3176 /* cbfcnp */ NULL, 3177 /* tag_action */ MSG_SIMPLE_Q_TAG, 3178 /* start */ FALSE, 3179 /* load_eject */ eject, 3180 /* immediate */ FALSE, 3181 /* sense_len */ SSD_FULL_SIZE, 3182 /* timeout */ 50000); 3183 3184 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3185 /*sense_flags*/SF_RETRY_UA); 3186 3187 xpt_release_ccb(ccb); 3188 3189 return(error); 3190 } 3191 3192 static int 3193 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) 3194 { 3195 struct scsi_set_speed *scsi_cmd; 3196 struct ccb_scsiio *csio; 3197 union ccb *ccb; 3198 int error; 3199 3200 error = 0; 3201 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3202 csio = &ccb->csio; 3203 3204 /* Preserve old behavior: units in multiples of CDROM speed */ 3205 if (rdspeed < 177) 3206 rdspeed *= 177; 3207 if (wrspeed < 177) 3208 wrspeed *= 177; 3209 3210 cam_fill_csio(csio, 3211 /* retries */ cd_retry_count, 3212 /* cbfcnp */ NULL, 3213 /* flags */ CAM_DIR_NONE, 3214 /* tag_action */ MSG_SIMPLE_Q_TAG, 3215 /* data_ptr */ NULL, 3216 /* dxfer_len */ 0, 3217 /* sense_len */ SSD_FULL_SIZE, 3218 sizeof(struct scsi_set_speed), 3219 /* timeout */ 50000); 3220 3221 scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; 3222 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3223 3224 scsi_cmd->opcode = SET_CD_SPEED; 3225 scsi_ulto2b(rdspeed, scsi_cmd->readspeed); 3226 scsi_ulto2b(wrspeed, scsi_cmd->writespeed); 3227 3228 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3229 /*sense_flags*/SF_RETRY_UA); 3230 3231 xpt_release_ccb(ccb); 3232 3233 return(error); 3234 } 3235 3236 static int 3237 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3238 { 3239 union ccb *ccb; 3240 u_int8_t *databuf; 3241 u_int32_t lba; 3242 int error; 3243 int length; 3244 3245 error = 0; 3246 databuf = NULL; 3247 lba = 0; 3248 3249 switch (authinfo->format) { 3250 case DVD_REPORT_AGID: 3251 length = sizeof(struct scsi_report_key_data_agid); 3252 break; 3253 case DVD_REPORT_CHALLENGE: 3254 length = sizeof(struct scsi_report_key_data_challenge); 3255 break; 3256 case DVD_REPORT_KEY1: 3257 length = sizeof(struct scsi_report_key_data_key1_key2); 3258 break; 3259 case DVD_REPORT_TITLE_KEY: 3260 length = sizeof(struct scsi_report_key_data_title); 3261 /* The lba field is only set for the title key */ 3262 lba = authinfo->lba; 3263 break; 3264 case DVD_REPORT_ASF: 3265 length = sizeof(struct scsi_report_key_data_asf); 3266 break; 3267 case DVD_REPORT_RPC: 3268 length = sizeof(struct scsi_report_key_data_rpc); 3269 break; 3270 case DVD_INVALIDATE_AGID: 3271 length = 0; 3272 break; 3273 default: 3274 return (EINVAL); 3275 } 3276 3277 if (length != 0) { 3278 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3279 } else 3280 databuf = NULL; 3281 3282 cam_periph_lock(periph); 3283 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3284 3285 scsi_report_key(&ccb->csio, 3286 /* retries */ cd_retry_count, 3287 /* cbfcnp */ NULL, 3288 /* tag_action */ MSG_SIMPLE_Q_TAG, 3289 /* lba */ lba, 3290 /* agid */ authinfo->agid, 3291 /* key_format */ authinfo->format, 3292 /* data_ptr */ databuf, 3293 /* dxfer_len */ length, 3294 /* sense_len */ SSD_FULL_SIZE, 3295 /* timeout */ 50000); 3296 3297 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3298 /*sense_flags*/SF_RETRY_UA); 3299 3300 if (error != 0) 3301 goto bailout; 3302 3303 if (ccb->csio.resid != 0) { 3304 xpt_print(periph->path, "warning, residual for report key " 3305 "command is %d\n", ccb->csio.resid); 3306 } 3307 3308 switch(authinfo->format) { 3309 case DVD_REPORT_AGID: { 3310 struct scsi_report_key_data_agid *agid_data; 3311 3312 agid_data = (struct scsi_report_key_data_agid *)databuf; 3313 3314 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> 3315 RKD_AGID_SHIFT; 3316 break; 3317 } 3318 case DVD_REPORT_CHALLENGE: { 3319 struct scsi_report_key_data_challenge *chal_data; 3320 3321 chal_data = (struct scsi_report_key_data_challenge *)databuf; 3322 3323 bcopy(chal_data->challenge_key, authinfo->keychal, 3324 min(sizeof(chal_data->challenge_key), 3325 sizeof(authinfo->keychal))); 3326 break; 3327 } 3328 case DVD_REPORT_KEY1: { 3329 struct scsi_report_key_data_key1_key2 *key1_data; 3330 3331 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; 3332 3333 bcopy(key1_data->key1, authinfo->keychal, 3334 min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); 3335 break; 3336 } 3337 case DVD_REPORT_TITLE_KEY: { 3338 struct scsi_report_key_data_title *title_data; 3339 3340 title_data = (struct scsi_report_key_data_title *)databuf; 3341 3342 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> 3343 RKD_TITLE_CPM_SHIFT; 3344 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> 3345 RKD_TITLE_CP_SEC_SHIFT; 3346 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> 3347 RKD_TITLE_CMGS_SHIFT; 3348 bcopy(title_data->title_key, authinfo->keychal, 3349 min(sizeof(title_data->title_key), 3350 sizeof(authinfo->keychal))); 3351 break; 3352 } 3353 case DVD_REPORT_ASF: { 3354 struct scsi_report_key_data_asf *asf_data; 3355 3356 asf_data = (struct scsi_report_key_data_asf *)databuf; 3357 3358 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; 3359 break; 3360 } 3361 case DVD_REPORT_RPC: { 3362 struct scsi_report_key_data_rpc *rpc_data; 3363 3364 rpc_data = (struct scsi_report_key_data_rpc *)databuf; 3365 3366 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> 3367 RKD_RPC_TYPE_SHIFT; 3368 authinfo->vend_rsts = 3369 (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> 3370 RKD_RPC_VENDOR_RESET_SHIFT; 3371 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; 3372 authinfo->region = rpc_data->region_mask; 3373 authinfo->rpc_scheme = rpc_data->rpc_scheme1; 3374 break; 3375 } 3376 case DVD_INVALIDATE_AGID: 3377 break; 3378 default: 3379 /* This should be impossible, since we checked above */ 3380 error = EINVAL; 3381 goto bailout; 3382 break; /* NOTREACHED */ 3383 } 3384 3385 bailout: 3386 xpt_release_ccb(ccb); 3387 cam_periph_unlock(periph); 3388 3389 if (databuf != NULL) 3390 free(databuf, M_DEVBUF); 3391 3392 return(error); 3393 } 3394 3395 static int 3396 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) 3397 { 3398 union ccb *ccb; 3399 u_int8_t *databuf; 3400 int length; 3401 int error; 3402 3403 error = 0; 3404 databuf = NULL; 3405 3406 switch(authinfo->format) { 3407 case DVD_SEND_CHALLENGE: { 3408 struct scsi_report_key_data_challenge *challenge_data; 3409 3410 length = sizeof(*challenge_data); 3411 3412 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3413 3414 databuf = (u_int8_t *)challenge_data; 3415 3416 scsi_ulto2b(length - sizeof(challenge_data->data_len), 3417 challenge_data->data_len); 3418 3419 bcopy(authinfo->keychal, challenge_data->challenge_key, 3420 min(sizeof(authinfo->keychal), 3421 sizeof(challenge_data->challenge_key))); 3422 break; 3423 } 3424 case DVD_SEND_KEY2: { 3425 struct scsi_report_key_data_key1_key2 *key2_data; 3426 3427 length = sizeof(*key2_data); 3428 3429 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3430 3431 databuf = (u_int8_t *)key2_data; 3432 3433 scsi_ulto2b(length - sizeof(key2_data->data_len), 3434 key2_data->data_len); 3435 3436 bcopy(authinfo->keychal, key2_data->key1, 3437 min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); 3438 3439 break; 3440 } 3441 case DVD_SEND_RPC: { 3442 struct scsi_send_key_data_rpc *rpc_data; 3443 3444 length = sizeof(*rpc_data); 3445 3446 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3447 3448 databuf = (u_int8_t *)rpc_data; 3449 3450 scsi_ulto2b(length - sizeof(rpc_data->data_len), 3451 rpc_data->data_len); 3452 3453 rpc_data->region_code = authinfo->region; 3454 break; 3455 } 3456 default: 3457 return (EINVAL); 3458 } 3459 3460 cam_periph_lock(periph); 3461 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3462 3463 scsi_send_key(&ccb->csio, 3464 /* retries */ cd_retry_count, 3465 /* cbfcnp */ NULL, 3466 /* tag_action */ MSG_SIMPLE_Q_TAG, 3467 /* agid */ authinfo->agid, 3468 /* key_format */ authinfo->format, 3469 /* data_ptr */ databuf, 3470 /* dxfer_len */ length, 3471 /* sense_len */ SSD_FULL_SIZE, 3472 /* timeout */ 50000); 3473 3474 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3475 /*sense_flags*/SF_RETRY_UA); 3476 3477 xpt_release_ccb(ccb); 3478 cam_periph_unlock(periph); 3479 3480 if (databuf != NULL) 3481 free(databuf, M_DEVBUF); 3482 3483 return(error); 3484 } 3485 3486 static int 3487 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) 3488 { 3489 union ccb *ccb; 3490 u_int8_t *databuf; 3491 u_int32_t address; 3492 int error; 3493 int length; 3494 3495 error = 0; 3496 databuf = NULL; 3497 /* The address is reserved for many of the formats */ 3498 address = 0; 3499 3500 switch(dvdstruct->format) { 3501 case DVD_STRUCT_PHYSICAL: 3502 length = sizeof(struct scsi_read_dvd_struct_data_physical); 3503 break; 3504 case DVD_STRUCT_COPYRIGHT: 3505 length = sizeof(struct scsi_read_dvd_struct_data_copyright); 3506 break; 3507 case DVD_STRUCT_DISCKEY: 3508 length = sizeof(struct scsi_read_dvd_struct_data_disc_key); 3509 break; 3510 case DVD_STRUCT_BCA: 3511 length = sizeof(struct scsi_read_dvd_struct_data_bca); 3512 break; 3513 case DVD_STRUCT_MANUFACT: 3514 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); 3515 break; 3516 case DVD_STRUCT_CMI: 3517 return (ENODEV); 3518 case DVD_STRUCT_PROTDISCID: 3519 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); 3520 break; 3521 case DVD_STRUCT_DISCKEYBLOCK: 3522 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); 3523 break; 3524 case DVD_STRUCT_DDS: 3525 length = sizeof(struct scsi_read_dvd_struct_data_dds); 3526 break; 3527 case DVD_STRUCT_MEDIUM_STAT: 3528 length = sizeof(struct scsi_read_dvd_struct_data_medium_status); 3529 break; 3530 case DVD_STRUCT_SPARE_AREA: 3531 length = sizeof(struct scsi_read_dvd_struct_data_spare_area); 3532 break; 3533 case DVD_STRUCT_RMD_LAST: 3534 return (ENODEV); 3535 case DVD_STRUCT_RMD_RMA: 3536 return (ENODEV); 3537 case DVD_STRUCT_PRERECORDED: 3538 length = sizeof(struct scsi_read_dvd_struct_data_leadin); 3539 break; 3540 case DVD_STRUCT_UNIQUEID: 3541 length = sizeof(struct scsi_read_dvd_struct_data_disc_id); 3542 break; 3543 case DVD_STRUCT_DCB: 3544 return (ENODEV); 3545 case DVD_STRUCT_LIST: 3546 /* 3547 * This is the maximum allocation length for the READ DVD 3548 * STRUCTURE command. There's nothing in the MMC3 spec 3549 * that indicates a limit in the amount of data that can 3550 * be returned from this call, other than the limits 3551 * imposed by the 2-byte length variables. 3552 */ 3553 length = 65535; 3554 break; 3555 default: 3556 return (EINVAL); 3557 } 3558 3559 if (length != 0) { 3560 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); 3561 } else 3562 databuf = NULL; 3563 3564 cam_periph_lock(periph); 3565 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3566 3567 scsi_read_dvd_structure(&ccb->csio, 3568 /* retries */ cd_retry_count, 3569 /* cbfcnp */ NULL, 3570 /* tag_action */ MSG_SIMPLE_Q_TAG, 3571 /* lba */ address, 3572 /* layer_number */ dvdstruct->layer_num, 3573 /* key_format */ dvdstruct->format, 3574 /* agid */ dvdstruct->agid, 3575 /* data_ptr */ databuf, 3576 /* dxfer_len */ length, 3577 /* sense_len */ SSD_FULL_SIZE, 3578 /* timeout */ 50000); 3579 3580 error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, 3581 /*sense_flags*/SF_RETRY_UA); 3582 3583 if (error != 0) 3584 goto bailout; 3585 3586 switch(dvdstruct->format) { 3587 case DVD_STRUCT_PHYSICAL: { 3588 struct scsi_read_dvd_struct_data_layer_desc *inlayer; 3589 struct dvd_layer *outlayer; 3590 struct scsi_read_dvd_struct_data_physical *phys_data; 3591 3592 phys_data = 3593 (struct scsi_read_dvd_struct_data_physical *)databuf; 3594 inlayer = &phys_data->layer_desc; 3595 outlayer = (struct dvd_layer *)&dvdstruct->data; 3596 3597 dvdstruct->length = sizeof(*inlayer); 3598 3599 outlayer->book_type = (inlayer->book_type_version & 3600 RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; 3601 outlayer->book_version = (inlayer->book_type_version & 3602 RDSD_BOOK_VERSION_MASK); 3603 outlayer->disc_size = (inlayer->disc_size_max_rate & 3604 RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; 3605 outlayer->max_rate = (inlayer->disc_size_max_rate & 3606 RDSD_MAX_RATE_MASK); 3607 outlayer->nlayers = (inlayer->layer_info & 3608 RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; 3609 outlayer->track_path = (inlayer->layer_info & 3610 RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; 3611 outlayer->layer_type = (inlayer->layer_info & 3612 RDSD_LAYER_TYPE_MASK); 3613 outlayer->linear_density = (inlayer->density & 3614 RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; 3615 outlayer->track_density = (inlayer->density & 3616 RDSD_TRACK_DENSITY_MASK); 3617 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> 3618 RDSD_BCA_SHIFT; 3619 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); 3620 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); 3621 outlayer->end_sector_l0 = 3622 scsi_3btoul(inlayer->end_sector_layer0); 3623 break; 3624 } 3625 case DVD_STRUCT_COPYRIGHT: { 3626 struct scsi_read_dvd_struct_data_copyright *copy_data; 3627 3628 copy_data = (struct scsi_read_dvd_struct_data_copyright *) 3629 databuf; 3630 3631 dvdstruct->cpst = copy_data->cps_type; 3632 dvdstruct->rmi = copy_data->region_info; 3633 dvdstruct->length = 0; 3634 3635 break; 3636 } 3637 default: 3638 /* 3639 * Tell the user what the overall length is, no matter 3640 * what we can actually fit in the data buffer. 3641 */ 3642 dvdstruct->length = length - ccb->csio.resid - 3643 sizeof(struct scsi_read_dvd_struct_data_header); 3644 3645 /* 3646 * But only actually copy out the smaller of what we read 3647 * in or what the structure can take. 3648 */ 3649 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), 3650 dvdstruct->data, 3651 min(sizeof(dvdstruct->data), dvdstruct->length)); 3652 break; 3653 } 3654 3655 bailout: 3656 xpt_release_ccb(ccb); 3657 cam_periph_unlock(periph); 3658 3659 if (databuf != NULL) 3660 free(databuf, M_DEVBUF); 3661 3662 return(error); 3663 } 3664 3665 void 3666 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, 3667 void (*cbfcnp)(struct cam_periph *, union ccb *), 3668 u_int8_t tag_action, u_int32_t lba, u_int8_t agid, 3669 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, 3670 u_int8_t sense_len, u_int32_t timeout) 3671 { 3672 struct scsi_report_key *scsi_cmd; 3673 3674 scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; 3675 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3676 scsi_cmd->opcode = REPORT_KEY; 3677 scsi_ulto4b(lba, scsi_cmd->lba); 3678 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3679 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3680 (key_format & RK_KF_KEYFORMAT_MASK); 3681 3682 cam_fill_csio(csio, 3683 retries, 3684 cbfcnp, 3685 /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, 3686 tag_action, 3687 /*data_ptr*/ data_ptr, 3688 /*dxfer_len*/ dxfer_len, 3689 sense_len, 3690 sizeof(*scsi_cmd), 3691 timeout); 3692 } 3693 3694 void 3695 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, 3696 void (*cbfcnp)(struct cam_periph *, union ccb *), 3697 u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, 3698 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3699 u_int32_t timeout) 3700 { 3701 struct scsi_send_key *scsi_cmd; 3702 3703 scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; 3704 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3705 scsi_cmd->opcode = SEND_KEY; 3706 3707 scsi_ulto2b(dxfer_len, scsi_cmd->param_len); 3708 scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | 3709 (key_format & RK_KF_KEYFORMAT_MASK); 3710 3711 cam_fill_csio(csio, 3712 retries, 3713 cbfcnp, 3714 /*flags*/ CAM_DIR_OUT, 3715 tag_action, 3716 /*data_ptr*/ data_ptr, 3717 /*dxfer_len*/ dxfer_len, 3718 sense_len, 3719 sizeof(*scsi_cmd), 3720 timeout); 3721 } 3722 3723 3724 void 3725 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, 3726 void (*cbfcnp)(struct cam_periph *, union ccb *), 3727 u_int8_t tag_action, u_int32_t address, 3728 u_int8_t layer_number, u_int8_t format, u_int8_t agid, 3729 u_int8_t *data_ptr, u_int32_t dxfer_len, 3730 u_int8_t sense_len, u_int32_t timeout) 3731 { 3732 struct scsi_read_dvd_structure *scsi_cmd; 3733 3734 scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; 3735 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3736 scsi_cmd->opcode = READ_DVD_STRUCTURE; 3737 3738 scsi_ulto4b(address, scsi_cmd->address); 3739 scsi_cmd->layer_number = layer_number; 3740 scsi_cmd->format = format; 3741 scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); 3742 /* The AGID is the top two bits of this byte */ 3743 scsi_cmd->agid = agid << 6; 3744 3745 cam_fill_csio(csio, 3746 retries, 3747 cbfcnp, 3748 /*flags*/ CAM_DIR_IN, 3749 tag_action, 3750 /*data_ptr*/ data_ptr, 3751 /*dxfer_len*/ dxfer_len, 3752 sense_len, 3753 sizeof(*scsi_cmd), 3754 timeout); 3755 } 3756