Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/pc98/pc98/wd_cd.c
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1 /*- 2 * Copyright (c) 1998, 1999 Sen Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. 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 ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: releng/5.0/sys/pc98/pc98/wd_cd.c 104516 2002-10-05 15:49:39Z phk $ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/malloc.h> 35 #include <sys/bio.h> 36 #include <sys/disklabel.h> 37 #include <sys/devicestat.h> 38 #include <sys/cdio.h> 39 #include <sys/fcntl.h> 40 #include <sys/conf.h> 41 #include <sys/stat.h> 42 #include <pc98/pc98/atapi.h> 43 #include <pc98/pc98/wormio.h> 44 #include <pc98/pc98/wd_cd.h> 45 46 static d_open_t acdopen; 47 static d_close_t acdclose; 48 static d_ioctl_t acdioctl; 49 static d_strategy_t acdstrategy; 50 51 #define CDEV_MAJOR 69 52 53 static struct cdevsw acd_cdevsw = { 54 /* open */ acdopen, 55 /* close */ acdclose, 56 /* read */ physread, 57 /* write */ physwrite, 58 /* ioctl */ acdioctl, 59 /* poll */ nopoll, 60 /* mmap */ nommap, 61 /* strategy */ acdstrategy, 62 /* name */ "wcd", 63 /* maj */ CDEV_MAJOR, 64 /* dump */ nodump, 65 /* psize */ nopsize, 66 /* flags */ D_DISK, 67 }; 68 69 #define NUNIT 16 /* Max # of devices */ 70 71 #define F_BOPEN 0x0001 /* The block device is opened */ 72 #define F_MEDIA_CHANGED 0x0002 /* The media have changed since open */ 73 #define F_DEBUG 0x0004 /* Print debug info */ 74 #define F_LOCKED 0x0008 /* This unit is locked (or should be) */ 75 #define F_TRACK_PREP 0x0010 /* Track should be prep'ed */ 76 #define F_TRACK_PREPED 0x0020 /* Track has been prep'ed */ 77 #define F_DISK_PREPED 0x0040 /* Disk has been prep'ed */ 78 #define F_WRITTEN 0x0080 /* The medium has been written to */ 79 80 static struct acd *acdtab[NUNIT]; 81 static int acdnlun = 0; /* Number of configured drives */ 82 83 int acdattach(struct atapi *, int, struct atapi_params *, int); 84 static struct acd *acd_init_lun(struct atapi *, int, struct atapi_params *, int, 85 struct devstat *); 86 static void acd_start(struct acd *); 87 static void acd_done(struct acd *, struct bio *, int, struct atapires); 88 static int acd_read_toc(struct acd *); 89 static int acd_request_wait(struct acd *, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, u_char, char *, int); 90 static void acd_describe(struct acd *); 91 static int acd_setchan(struct acd *, u_char, u_char, u_char, u_char); 92 static int acd_eject(struct acd *, int); 93 static void acd_select_slot(struct acd *); 94 static int acd_open_disk(struct acd *, int); 95 static int acd_open_track(struct acd *, struct wormio_prepare_track *); 96 static int acd_close_track(struct acd *); 97 static int acd_close_disk(struct acd *); 98 static int acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info); 99 static int acd_blank_disk(struct acd *); 100 static void atapi_dump(int ctrlr, int lun, char *label, void *data, int len); 101 static void atapi_error(struct atapi *ata, int unit, struct atapires result); 102 103 struct acd * 104 acd_init_lun(struct atapi *ata, int unit, struct atapi_params *ap, int lun, 105 struct devstat *device_stats) 106 { 107 struct acd *ptr; 108 dev_t pdev; 109 110 if (!(ptr = malloc(sizeof(struct acd), M_TEMP, M_NOWAIT | M_ZERO))) 111 return NULL; 112 bioq_init(&ptr->bio_queue); 113 ptr->ata = ata; 114 ptr->unit = unit; 115 ptr->lun = lun; 116 ptr->param = ap; 117 ptr->flags = F_MEDIA_CHANGED; 118 ptr->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 119 ptr->block_size = 2048; 120 ptr->refcnt = 0; 121 ptr->slot = -1; 122 ptr->changer_info = NULL; 123 if (device_stats == NULL) { 124 if (!(ptr->device_stats = malloc(sizeof(struct devstat), 125 M_TEMP, M_NOWAIT | M_ZERO))) 126 return NULL; 127 } 128 else 129 ptr->device_stats = device_stats; 130 131 pdev = make_dev(&acd_cdevsw, dkmakeminor(lun, 0, 0), 132 UID_ROOT, GID_OPERATOR, 0640, "wcd%da", lun); 133 make_dev_alias(pdev, "rwcd%da", lun); 134 pdev->si_drv1 = ptr; 135 136 pdev = make_dev(&acd_cdevsw, dkmakeminor(lun, 0, RAW_PART), 137 UID_ROOT, GID_OPERATOR, 0640, "wcd%dc", lun); 138 make_dev_alias(pdev, "rwcd%dc", lun); 139 pdev->si_drv1 = ptr; 140 141 return ptr; 142 } 143 144 int 145 acdattach(struct atapi *ata, int unit, struct atapi_params *ap, int debug) 146 { 147 struct acd *cdp; 148 struct atapires result; 149 struct changer *chp; 150 int i, count; 151 152 if (acdnlun >= NUNIT) { 153 printf("wcd: too many units\n"); 154 return 0; 155 } 156 if (!atapi_request_immediate) { 157 printf("wcd: configuration error, ATAPI code not present!\n"); 158 return 0; 159 } 160 if ((cdp = acd_init_lun(ata, unit, ap, acdnlun, NULL)) == NULL) { 161 printf("wcd: out of memory\n"); 162 return 0; 163 } 164 acdtab[acdnlun] = cdp; 165 166 if (debug) { 167 cdp->flags |= F_DEBUG; 168 atapi_dump(cdp->ata->ctrlr, cdp->lun, "info", ap, sizeof(*ap)); 169 } 170 171 /* Get drive capabilities, some drives needs this repeated */ 172 for (count = 0 ; count < 5 ; count++) { 173 result = atapi_request_immediate(ata, unit, 174 ATAPI_MODE_SENSE, 175 0, ATAPI_CDROM_CAP_PAGE, 176 0, 0, 0, 0, 177 sizeof(cdp->cap)>>8, sizeof(cdp->cap), 178 0, 0, 0, 0, 0, 0, 0, 179 (char *)&cdp->cap, sizeof(cdp->cap)); 180 if (result.code == 0 || result.code == RES_UNDERRUN) 181 break; 182 } 183 184 /* Some drives have shorter capabilities page. */ 185 if (result.code == RES_UNDERRUN) 186 result.code = 0; 187 188 if (result.code == 0) { 189 cdp->cap.max_speed = ntohs(cdp->cap.max_speed); 190 cdp->cap.max_vol_levels = ntohs(cdp->cap.max_vol_levels); 191 cdp->cap.buf_size = ntohs(cdp->cap.buf_size); 192 cdp->cap.cur_speed = ntohs(cdp->cap.cur_speed); 193 acd_describe(cdp); 194 if (cdp->flags & F_DEBUG) 195 atapi_dump(cdp->ata->ctrlr, cdp->lun, "cap", &cdp->cap, 196 sizeof(cdp->cap)); 197 } 198 /* If this is a changer device, allocate the neeeded lun's */ 199 if (cdp->cap.mech == MST_MECH_CHANGER) { 200 char string[16]; 201 struct acd *tmpcdp = cdp; 202 203 chp = malloc(sizeof(struct changer), M_TEMP, M_NOWAIT | M_ZERO); 204 if (chp == NULL) { 205 printf("wcd: out of memory\n"); 206 return 0; 207 } 208 result = atapi_request_immediate(ata, unit, ATAPI_MECH_STATUS, 209 0, 0, 0, 0, 0, 0, 0, 210 sizeof(struct changer)>>8, 211 sizeof(struct changer), 212 0, 0, 0, 0, 0, 0, 213 (char *)chp, sizeof(struct changer)); 214 if (cdp->flags & F_DEBUG) { 215 printf("result.code=%d curr=%02x slots=%d len=%d\n", 216 result.code, chp->current_slot, chp->slots, 217 htons(chp->table_length)); 218 } 219 if (result.code == RES_UNDERRUN) 220 result.code = 0; 221 222 if (result.code == 0) { 223 chp->table_length = htons(chp->table_length); 224 for (i = 0; i < chp->slots && acdnlun < NUNIT; i++) { 225 if (i > 0) { 226 tmpcdp = acd_init_lun(ata, unit, ap, acdnlun, 227 cdp->device_stats); 228 if (!tmpcdp) { 229 printf("wcd: out of memory\n"); 230 return 0; 231 } 232 } 233 tmpcdp->slot = i; 234 tmpcdp->changer_info = chp; 235 printf("wcd%d: changer slot %d %s\n", acdnlun, i, 236 (chp->slot[i].present ? "disk present" : "no disk")); 237 acdtab[acdnlun++] = tmpcdp; 238 } 239 if (acdnlun >= NUNIT) { 240 printf("wcd: too many units\n"); 241 return 0; 242 } 243 } 244 sprintf(string, "wcd%d-", cdp->lun); 245 devstat_add_entry(cdp->device_stats, string, tmpcdp->lun, DEV_BSIZE, 246 DEVSTAT_NO_ORDERED_TAGS, 247 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE, 248 DEVSTAT_PRIORITY_CD); 249 } 250 else { 251 acdnlun++; 252 devstat_add_entry(cdp->device_stats, "wcd", cdp->lun, DEV_BSIZE, 253 DEVSTAT_NO_ORDERED_TAGS, 254 DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_IDE, 255 DEVSTAT_PRIORITY_CD); 256 } 257 return 1; 258 } 259 260 void 261 acd_describe(struct acd *cdp) 262 { 263 int comma; 264 char *mechanism; 265 266 printf("wcd%d: drive speed ", cdp->lun); 267 if (cdp->cap.cur_speed != cdp->cap.max_speed) 268 printf("%d - ", cdp->cap.cur_speed * 1000 / 1024); 269 printf("%dKB/sec", cdp->cap.max_speed * 1000 / 1024); 270 if (cdp->cap.buf_size) 271 printf(", %dKB cache\n", cdp->cap.buf_size); 272 273 printf("wcd%d: supported read types:", cdp->lun); 274 comma = 0; 275 if (cdp->cap.read_cdr) { 276 printf(" CD-R"); comma = 1; 277 } 278 if (cdp->cap.read_cdrw) { 279 printf("%s CD-RW", comma ? "," : ""); comma = 1; 280 } 281 if (cdp->cap.cd_da) { 282 printf("%s CD-DA", comma ? "," : ""); comma = 1; 283 } 284 if (cdp->cap.method2) 285 printf("%s packet track", comma ? "," : ""); 286 if (cdp->cap.write_cdr || cdp->cap.write_cdrw) { 287 printf("\nwcd%d: supported write types:", cdp->lun); 288 comma = 0; 289 if (cdp->cap.write_cdr) { 290 printf(" CD-R" ); comma = 1; 291 } 292 if (cdp->cap.write_cdrw) { 293 printf("%s CD-RW", comma ? "," : ""); comma = 1; 294 } 295 if (cdp->cap.test_write) { 296 printf("%s test write", comma ? "," : ""); comma = 1; 297 } 298 } 299 if (cdp->cap.audio_play) { 300 printf("\nwcd%d: Audio: ", cdp->lun); 301 if (cdp->cap.audio_play) 302 printf("play"); 303 if (cdp->cap.max_vol_levels) 304 printf(", %d volume levels", cdp->cap.max_vol_levels); 305 } 306 printf("\nwcd%d: Mechanism: ", cdp->lun); 307 switch (cdp->cap.mech) { 308 case MST_MECH_CADDY: 309 mechanism = "caddy"; break; 310 case MST_MECH_TRAY: 311 mechanism = "tray"; break; 312 case MST_MECH_POPUP: 313 mechanism = "popup"; break; 314 case MST_MECH_CHANGER: 315 mechanism = "changer"; break; 316 case MST_MECH_CARTRIDGE: 317 mechanism = "cartridge"; break; 318 default: 319 mechanism = 0; break; 320 } 321 if (mechanism) 322 printf("%s%s", cdp->cap.eject ? "ejectable " : "", mechanism); 323 else if (cdp->cap.eject) 324 printf("ejectable"); 325 326 if (cdp->cap.mech != MST_MECH_CHANGER) { 327 printf("\nwcd%d: Medium: ", cdp->lun); 328 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 329 case MST_CDROM: 330 printf("CD-ROM "); break; 331 case MST_CDR: 332 printf("CD-R "); break; 333 case MST_CDRW: 334 printf("CD-RW "); break; 335 case MST_DOOR_OPEN: 336 printf("door open"); break; 337 case MST_NO_DISC: 338 printf("no/blank disc inside"); break; 339 case MST_FMT_ERROR: 340 printf("medium format error"); break; 341 } 342 if ((cdp->cap.medium_type & MST_TYPE_MASK_HIGH) < MST_TYPE_MASK_HIGH) { 343 switch (cdp->cap.medium_type & MST_TYPE_MASK_LOW) { 344 case MST_DATA_120: 345 printf("120mm data disc loaded"); break; 346 case MST_AUDIO_120: 347 printf("120mm audio disc loaded"); break; 348 case MST_COMB_120: 349 printf("120mm data/audio disc loaded"); break; 350 case MST_PHOTO_120: 351 printf("120mm photo disc loaded"); break; 352 case MST_DATA_80: 353 printf("80mm data disc loaded"); break; 354 case MST_AUDIO_80: 355 printf("80mm audio disc loaded"); break; 356 case MST_COMB_80: 357 printf("80mm data/audio disc loaded"); break; 358 case MST_PHOTO_80: 359 printf("80mm photo disc loaded"); break; 360 case MST_FMT_NONE: 361 switch (cdp->cap.medium_type & MST_TYPE_MASK_HIGH) { 362 case MST_CDROM: 363 printf("unknown medium"); break; 364 case MST_CDR: 365 case MST_CDRW: 366 printf("blank medium"); break; 367 } 368 break; 369 default: 370 printf("unknown type=0x%x", cdp->cap.medium_type); break; 371 } 372 } 373 } 374 if (cdp->cap.lock) 375 printf(cdp->cap.locked ? ", locked" : ", unlocked"); 376 if (cdp->cap.prevent) 377 printf(", lock protected"); 378 printf("\n"); 379 } 380 381 static int 382 acdopen(dev_t dev, int flags, int fmt, struct thread *td) 383 { 384 struct acd *cdp; 385 386 cdp = dev->si_drv1; 387 if (cdp == NULL) 388 return ENXIO; 389 390 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 391 /* Prevent user eject */ 392 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 393 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 394 cdp->flags |= F_LOCKED; 395 } 396 if (fmt == S_IFBLK) 397 cdp->flags |= F_BOPEN; 398 else 399 ++cdp->refcnt; 400 dev->si_bsize_phys = cdp->block_size; 401 if (!(flags & O_NONBLOCK) && acd_read_toc(cdp) && !(flags & FWRITE)) 402 printf("acd%d: read_toc failed\n", cdp->unit); 403 return 0; 404 } 405 406 int 407 acdclose(dev_t dev, int flags, int fmt, struct thread *td) 408 { 409 struct acd *cdp = dev->si_drv1; 410 411 if (fmt == S_IFBLK) 412 cdp->flags &= ~F_BOPEN; 413 else 414 --cdp->refcnt; 415 416 /* Are we the last open ?? */ 417 if (!(cdp->flags & F_BOPEN) && !cdp->refcnt) { 418 /* Yup, do we need to close any written tracks */ 419 if ((flags & FWRITE) != 0) { 420 if ((cdp->flags & F_TRACK_PREPED) != 0) { 421 acd_close_track(cdp); 422 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 423 } 424 } 425 /* Allow the user eject */ 426 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 427 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 428 } 429 cdp->flags &= ~F_LOCKED; 430 return 0; 431 } 432 433 void 434 acdstrategy(struct bio *bp) 435 { 436 struct acd *cdp = bp->bio_dev->si_drv1; 437 int x; 438 439 #ifdef NOTYET 440 /* allow write only on CD-R/RW media */ /* all for now SOS */ 441 if ((bp->bio_cmd == BIO_WRITE) && !(writeable_media)) { 442 biofinish(bp, NULL, EROFS); 443 return; 444 } 445 #endif 446 447 if (bp->bio_bcount == 0) { 448 bp->bio_resid = 0; 449 biodone(bp); 450 return; 451 } 452 453 bp->bio_pblkno = bp->bio_blkno; 454 bp->bio_resid = bp->bio_bcount; 455 456 x = splbio(); 457 bioqdisksort(&cdp->bio_queue, bp); 458 acd_start(cdp); 459 splx(x); 460 } 461 462 static void 463 acd_start(struct acd *cdp) 464 { 465 struct bio *bp = bioq_first(&cdp->bio_queue); 466 u_long lba, blocks; 467 int cmd; 468 int count; 469 470 if (!bp) 471 return; 472 473 bioq_remove(&cdp->bio_queue, bp); 474 475 /* Should reject all queued entries if media have changed. */ 476 if (cdp->flags & F_MEDIA_CHANGED) { 477 biofinish(bp, NULL, EIO); 478 return; 479 } 480 481 acd_select_slot(cdp); 482 483 if (bp->bio_cmd == BIO_WRITE) { 484 if ((cdp->flags & F_TRACK_PREPED) == 0) { 485 if ((cdp->flags & F_TRACK_PREP) == 0) { 486 printf("wcd%d: sequence error\n", cdp->lun); 487 biofinish(bp, NULL, EIO); 488 return; 489 } else { 490 if (acd_open_track(cdp, &cdp->preptrack) != 0) { 491 biodone(bp); 492 return; 493 } 494 cdp->flags |= F_TRACK_PREPED; 495 } 496 } 497 } 498 499 if (bp->bio_cmd == BIO_READ) 500 #ifdef NOTYET 501 lba = bp->bio_offset / cdp->block_size; 502 #else 503 lba = bp->bio_blkno / (cdp->block_size / DEV_BSIZE); 504 #endif 505 else 506 lba = cdp->next_writeable_lba + (bp->bio_offset / cdp->block_size); 507 blocks = (bp->bio_bcount + (cdp->block_size - 1)) / cdp->block_size; 508 509 if (bp->bio_cmd == BIO_WRITE) { 510 cmd = ATAPI_WRITE_BIG; 511 count = -bp->bio_bcount; 512 } else { 513 cmd = ATAPI_READ_BIG; 514 count = bp->bio_bcount; 515 } 516 517 devstat_start_transaction(cdp->device_stats); 518 519 atapi_request_callback(cdp->ata, cdp->unit, cmd, 0, 520 lba>>24, lba>>16, lba>>8, lba, 0, 521 blocks>>8, blocks, 0, 0, 0, 0, 0, 0, 0, 522 (u_char *)bp->bio_data, count, 523 (atapi_callback_t *)acd_done, cdp, bp); 524 } 525 526 static void 527 acd_done(struct acd *cdp, struct bio *bp, int resid, struct atapires result) 528 { 529 530 if (result.code) { 531 atapi_error(cdp->ata, cdp->unit, result); 532 bp->bio_error = EIO; 533 bp->bio_flags |= BIO_ERROR; 534 } else { 535 bp->bio_resid = resid; 536 if (bp->bio_cmd == BIO_WRITE) 537 cdp->flags |= F_WRITTEN; 538 } 539 biofinish(bp, cdp->device_stats, 0); 540 acd_start(cdp); 541 } 542 543 static int 544 acd_request_wait(struct acd *cdp, u_char cmd, u_char a1, u_char a2, 545 u_char a3, u_char a4, u_char a5, u_char a6, u_char a7, u_char a8, 546 u_char a9, char *addr, int count) 547 { 548 struct atapires result; 549 550 result = atapi_request_wait(cdp->ata, cdp->unit, cmd, a1, a2, a3, a4, a5, 551 a6, a7, a8, a9, 0, 0, 0, 0, 0, 0, addr, count); 552 if (result.code) { 553 atapi_error(cdp->ata, cdp->unit, result); 554 return EIO; 555 } 556 return 0; 557 } 558 559 static __inline void 560 lba2msf(int lba, u_char *m, u_char *s, u_char *f) 561 { 562 lba += 150; 563 lba &= 0xffffff; 564 *m = lba / (60 * 75); 565 lba %= (60 * 75); 566 *s = lba / 75; 567 *f = lba % 75; 568 } 569 570 static __inline int 571 msf2lba(u_char m, u_char s, u_char f) 572 { 573 return (m * 60 + s) * 75 + f - 150; 574 } 575 576 int 577 acdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 578 { 579 struct acd *cdp = dev->si_drv1; 580 int error = 0; 581 582 if (cdp->flags & F_MEDIA_CHANGED) 583 switch (cmd) { 584 case CDIOCRESET: 585 break; 586 default: 587 acd_read_toc(cdp); 588 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 589 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 590 cdp->flags |= F_LOCKED; 591 break; 592 } 593 switch (cmd) { 594 /* 595 case CDIOCRESUME: 596 bzero(cdb); 597 cdb->cmd = ATAPI_PAUSE; 598 cdb->b8 = 0x01; 599 return atapi_cmd_wait(cdp->ata, cdp->unit, cdb, 0, 0, timout, 0); 600 */ 601 case CDIOCRESUME: 602 return acd_request_wait(cdp, ATAPI_PAUSE, 603 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0); 604 605 case CDIOCPAUSE: 606 return acd_request_wait(cdp, ATAPI_PAUSE, 607 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 608 609 case CDIOCSTART: 610 return acd_request_wait(cdp, ATAPI_START_STOP, 611 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 612 613 case CDIOCSTOP: 614 return acd_request_wait(cdp, ATAPI_START_STOP, 615 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 616 617 case CDIOCALLOW: 618 acd_select_slot(cdp); 619 cdp->flags &= ~F_LOCKED; 620 return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 621 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 622 623 case CDIOCPREVENT: 624 acd_select_slot(cdp); 625 cdp->flags |= F_LOCKED; 626 return acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 627 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0); 628 629 case CDIOCRESET: 630 error = suser(td); 631 if (error) 632 return (error); 633 return acd_request_wait(cdp, ATAPI_TEST_UNIT_READY, 634 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 635 636 case CDIOCEJECT: 637 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 638 return EBUSY; 639 return acd_eject(cdp, 0); 640 641 case CDIOCCLOSE: 642 if ((cdp->flags & F_BOPEN) && cdp->refcnt) 643 return 0; 644 return acd_eject(cdp, 1); 645 646 case CDIOREADTOCHEADER: 647 if (!cdp->toc.hdr.ending_track) 648 return EIO; 649 bcopy(&cdp->toc.hdr, addr, sizeof(cdp->toc.hdr)); 650 break; 651 652 case CDIOREADTOCENTRYS: 653 { 654 struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *)addr; 655 struct toc *toc = &cdp->toc; 656 struct toc buf; 657 u_long len; 658 u_char starting_track = te->starting_track; 659 660 if (!cdp->toc.hdr.ending_track) 661 return EIO; 662 663 if (te->data_len < sizeof(toc->tab[0]) || 664 (te->data_len % sizeof(toc->tab[0])) != 0 || 665 (te->address_format != CD_MSF_FORMAT && 666 te->address_format != CD_LBA_FORMAT)) 667 return EINVAL; 668 669 if (!starting_track) 670 starting_track = toc->hdr.starting_track; 671 else if (starting_track == 170) 672 starting_track = toc->hdr.ending_track + 1; 673 else if (starting_track < toc->hdr.starting_track || 674 starting_track > toc->hdr.ending_track + 1) 675 return EINVAL; 676 677 len = ((toc->hdr.ending_track + 1 - starting_track) + 1) * 678 sizeof(toc->tab[0]); 679 if (te->data_len < len) 680 len = te->data_len; 681 if (len > sizeof(toc->tab)) 682 return EINVAL; 683 684 if (te->address_format == CD_MSF_FORMAT) { 685 struct cd_toc_entry *entry; 686 687 buf = cdp->toc; 688 toc = &buf; 689 entry = toc->tab + (toc->hdr.ending_track + 1 - 690 toc->hdr.starting_track) + 1; 691 while (--entry >= toc->tab) 692 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 693 &entry->addr.msf.second, &entry->addr.msf.frame); 694 } 695 return copyout(toc->tab + starting_track - toc->hdr.starting_track, 696 te->data, len); 697 } 698 699 case CDIOREADTOCENTRY: 700 { 701 struct ioc_read_toc_single_entry *te = 702 (struct ioc_read_toc_single_entry *)addr; 703 struct toc *toc = &cdp->toc; 704 struct toc buf; 705 u_char track = te->track; 706 707 if (!cdp->toc.hdr.ending_track) 708 return EIO; 709 710 if (te->address_format != CD_MSF_FORMAT && 711 te->address_format != CD_LBA_FORMAT) 712 return EINVAL; 713 714 if (!track) 715 track = toc->hdr.starting_track; 716 else if (track == 170) 717 track = toc->hdr.ending_track + 1; 718 else if (track < toc->hdr.starting_track || 719 track > toc->hdr.ending_track + 1) 720 return EINVAL; 721 722 if (te->address_format == CD_MSF_FORMAT) { 723 struct cd_toc_entry *entry; 724 725 buf = cdp->toc; 726 toc = &buf; 727 entry = toc->tab + (track - toc->hdr.starting_track); 728 lba2msf(ntohl(entry->addr.lba), &entry->addr.msf.minute, 729 &entry->addr.msf.second, &entry->addr.msf.frame); 730 } 731 bcopy(toc->tab + track - toc->hdr.starting_track, 732 &te->entry, sizeof(struct cd_toc_entry)); 733 } 734 break; 735 736 case CDIOCREADSUBCHANNEL: 737 { 738 struct ioc_read_subchannel *args = 739 (struct ioc_read_subchannel *)addr; 740 struct cd_sub_channel_info data; 741 u_long len = args->data_len; 742 int abslba, rellba; 743 744 if (len > sizeof(data) || 745 len < sizeof(struct cd_sub_channel_header)) 746 return EINVAL; 747 748 if (acd_request_wait(cdp, ATAPI_READ_SUBCHANNEL, 749 0, 0x40, 1, 0, 0, 0, 750 sizeof(cdp->subchan)>>8, sizeof(cdp->subchan), 751 0, 752 (char *)&cdp->subchan, 753 sizeof(cdp->subchan)) != 0) 754 return EIO; 755 if (cdp->flags & F_DEBUG) 756 atapi_dump(cdp->ata->ctrlr, cdp->lun, "subchan", &cdp->subchan, 757 sizeof(cdp->subchan)); 758 759 abslba = cdp->subchan.abslba; 760 rellba = cdp->subchan.rellba; 761 if (args->address_format == CD_MSF_FORMAT) { 762 lba2msf(ntohl(abslba), 763 &data.what.position.absaddr.msf.minute, 764 &data.what.position.absaddr.msf.second, 765 &data.what.position.absaddr.msf.frame); 766 lba2msf(ntohl(rellba), 767 &data.what.position.reladdr.msf.minute, 768 &data.what.position.reladdr.msf.second, 769 &data.what.position.reladdr.msf.frame); 770 } else { 771 data.what.position.absaddr.lba = abslba; 772 data.what.position.reladdr.lba = rellba; 773 } 774 data.header.audio_status = cdp->subchan.audio_status; 775 data.what.position.control = cdp->subchan.control & 0xf; 776 data.what.position.addr_type = cdp->subchan.control >> 4; 777 data.what.position.track_number = cdp->subchan.track; 778 data.what.position.index_number = cdp->subchan.indx; 779 return copyout(&data, args->data, len); 780 } 781 782 case CDIOCPLAYMSF: 783 { 784 struct ioc_play_msf *args = (struct ioc_play_msf *)addr; 785 786 return acd_request_wait(cdp, ATAPI_PLAY_MSF, 0, 0, 787 args->start_m, args->start_s, args->start_f, 788 args->end_m, args->end_s, args->end_f, 789 0, 0, 0); 790 } 791 792 case CDIOCPLAYBLOCKS: 793 { 794 struct ioc_play_blocks *args = (struct ioc_play_blocks *)addr; 795 796 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 797 args->blk>>24 & 0xff, args->blk>>16 & 0xff, 798 args->blk>>8 & 0xff, args->blk & 0xff, 799 args->len>>24 & 0xff, args->len>>16 & 0xff, 800 args->len>>8 & 0xff, args->len & 0xff, 801 0, 0); 802 } 803 804 case CDIOCPLAYTRACKS: 805 { 806 struct ioc_play_track *args = (struct ioc_play_track *)addr; 807 u_long start, len; 808 int t1, t2; 809 810 if (!cdp->toc.hdr.ending_track) 811 return EIO; 812 813 if (args->end_track < cdp->toc.hdr.ending_track + 1) 814 ++args->end_track; 815 if (args->end_track > cdp->toc.hdr.ending_track + 1) 816 args->end_track = cdp->toc.hdr.ending_track + 1; 817 t1 = args->start_track - cdp->toc.hdr.starting_track; 818 t2 = args->end_track - cdp->toc.hdr.starting_track; 819 if (t1 < 0 || t2 < 0) 820 return EINVAL; 821 start = ntohl(cdp->toc.tab[t1].addr.lba); 822 len = ntohl(cdp->toc.tab[t2].addr.lba) - start; 823 824 return acd_request_wait(cdp, ATAPI_PLAY_BIG, 0, 825 start>>24 & 0xff, start>>16 & 0xff, 826 start>>8 & 0xff, start & 0xff, 827 len>>24 & 0xff, len>>16 & 0xff, 828 len>>8 & 0xff, len & 0xff, 0, 0); 829 } 830 831 case CDIOCREADAUDIO: 832 { 833 struct ioc_read_audio* args = (struct ioc_read_audio*) addr; 834 int lba, frames, result = 0; 835 u_char *buffer, *ubuf = args->buffer; 836 837 if (!cdp->toc.hdr.ending_track) 838 return EIO; 839 840 if ((frames = args->nframes) < 0) 841 return EINVAL; 842 843 if (args->address_format == CD_LBA_FORMAT) 844 lba = args->address.lba; 845 else if (args->address_format == CD_MSF_FORMAT) 846 lba = msf2lba(args->address.msf.minute, 847 args->address.msf.second, 848 args->address.msf.frame); 849 else 850 return EINVAL; 851 #ifndef CD_BUFFER_BLOCKS 852 #define CD_BUFFER_BLOCKS 8 853 #endif 854 if (!(buffer = malloc(CD_BUFFER_BLOCKS * 2352, M_TEMP, M_NOWAIT))) 855 return ENOMEM; 856 857 while (frames > 0) { 858 u_char blocks; 859 int size; 860 861 blocks = (frames>CD_BUFFER_BLOCKS) ? CD_BUFFER_BLOCKS : frames; 862 size = blocks * 2352; 863 864 result = acd_request_wait(cdp, ATAPI_READ_CD, 4, 865 lba>>24, (lba>>16)&0xff, 866 (lba>>8)&0xff, lba&0xff, 0, 0, 867 blocks, 0xf0, buffer, size); 868 if (result != 0) 869 break; 870 871 result = copyout(buffer, ubuf, size); 872 if (result != 0) 873 break; 874 875 ubuf += size; 876 frames -= blocks; 877 lba += blocks; 878 } 879 880 free(buffer, M_TEMP); 881 return result; 882 } 883 884 case CDIOCGETVOL: 885 { 886 struct ioc_vol *arg = (struct ioc_vol *)addr; 887 888 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 889 0, 0, 0, 0, 890 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 891 (char *)&cdp->au, sizeof(cdp->au)); 892 if (error) 893 return error; 894 if (cdp->flags & F_DEBUG) 895 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 896 sizeof(cdp->au)); 897 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 898 return EIO; 899 arg->vol[0] = cdp->au.port[0].volume; 900 arg->vol[1] = cdp->au.port[1].volume; 901 arg->vol[2] = cdp->au.port[2].volume; 902 arg->vol[3] = cdp->au.port[3].volume; 903 } 904 break; 905 906 case CDIOCSETVOL: 907 { 908 struct ioc_vol *arg = (struct ioc_vol *)addr; 909 910 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 911 0, 0, 0, 0, 912 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 913 (char *)&cdp->au, sizeof(cdp->au)); 914 if (error) 915 return error; 916 if (cdp->flags & F_DEBUG) 917 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, 918 sizeof(cdp->au)); 919 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 920 return EIO; 921 922 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, 923 CDROM_AUDIO_PAGE_MASK, 0, 0, 0, 0, 924 sizeof(cdp->aumask)>>8,sizeof(cdp->aumask), 925 0, 926 (char *)&cdp->aumask, sizeof(cdp->aumask)); 927 if (error) 928 return error; 929 if (cdp->flags & F_DEBUG) 930 atapi_dump(cdp->ata->ctrlr, cdp->lun, "mask", &cdp->aumask, 931 sizeof(cdp->aumask)); 932 933 cdp->au.data_length = 0; 934 cdp->au.port[0].channels = CHANNEL_0; 935 cdp->au.port[1].channels = CHANNEL_1; 936 cdp->au.port[0].volume = arg->vol[0] & cdp->aumask.port[0].volume; 937 cdp->au.port[1].volume = arg->vol[1] & cdp->aumask.port[1].volume; 938 cdp->au.port[2].volume = arg->vol[2] & cdp->aumask.port[2].volume; 939 cdp->au.port[3].volume = arg->vol[3] & cdp->aumask.port[3].volume; 940 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 941 0, 0, 0, 0, 0, 942 sizeof(cdp->au)>>8, sizeof(cdp->au), 943 0, (char *)&cdp->au, -sizeof(cdp->au)); 944 } 945 946 case CDIOCSETPATCH: 947 { 948 struct ioc_patch *arg = (struct ioc_patch *)addr; 949 950 return acd_setchan(cdp, arg->patch[0], arg->patch[1], 951 arg->patch[2], arg->patch[3]); 952 } 953 954 case CDIOCSETMONO: 955 return acd_setchan(cdp, CHANNEL_0|CHANNEL_1, CHANNEL_0|CHANNEL_1, 0, 0); 956 957 case CDIOCSETSTEREO: 958 return acd_setchan(cdp, CHANNEL_0, CHANNEL_1, 0, 0); 959 960 case CDIOCSETMUTE: 961 return acd_setchan(cdp, 0, 0, 0, 0); 962 963 case CDIOCSETLEFT: 964 return acd_setchan(cdp, CHANNEL_0, CHANNEL_0, 0, 0); 965 966 case CDIOCSETRIGHT: 967 return acd_setchan(cdp, CHANNEL_1, CHANNEL_1, 0, 0); 968 969 case CDRIOCNEXTWRITEABLEADDR: 970 { 971 struct acd_track_info track_info; 972 973 if ((error = acd_read_track_info(cdp, 0xff, &track_info))) 974 break; 975 if (!track_info.nwa_valid) 976 return EINVAL; 977 cdp->next_writeable_lba = track_info.next_writeable_addr; 978 *(int*)addr = track_info.next_writeable_addr; 979 } 980 break; 981 982 case WORMIOCPREPDISK: 983 { 984 struct wormio_prepare_disk *w = (struct wormio_prepare_disk *)addr; 985 986 if (w->dummy != 0 && w->dummy != 1) 987 error = EINVAL; 988 else { 989 error = acd_open_disk(cdp, w->dummy); 990 if (error == 0) { 991 cdp->flags |= F_DISK_PREPED; 992 cdp->dummy = w->dummy; 993 cdp->speed = w->speed; 994 } 995 } 996 } 997 break; 998 999 case WORMIOCPREPTRACK: 1000 { 1001 struct wormio_prepare_track *w =(struct wormio_prepare_track *)addr; 1002 1003 if (w->audio != 0 && w->audio != 1) 1004 error = EINVAL; 1005 else if (w->audio == 0 && w->preemp) 1006 error = EINVAL; 1007 else if ((cdp->flags & F_DISK_PREPED) == 0) { 1008 error = EINVAL; 1009 printf("wcd%d: sequence error (PREP_TRACK)\n", cdp->lun); 1010 } else { 1011 cdp->flags |= F_TRACK_PREP; 1012 cdp->preptrack = *w; 1013 } 1014 } 1015 break; 1016 1017 case WORMIOCFINISHTRACK: 1018 if ((cdp->flags & F_TRACK_PREPED) != 0) 1019 error = acd_close_track(cdp); 1020 cdp->flags &= ~(F_TRACK_PREPED | F_TRACK_PREP); 1021 break; 1022 1023 case WORMIOCFIXATION: 1024 { 1025 struct wormio_fixation *w = 1026 (struct wormio_fixation *)addr; 1027 1028 if ((cdp->flags & F_WRITTEN) == 0) 1029 error = EINVAL; 1030 else if (w->toc_type < 0 /* WORM_TOC_TYPE_AUDIO */ || 1031 w->toc_type > 4 /* WORM_TOC_TYPE_CDI */ ) 1032 error = EINVAL; 1033 else if (w->onp != 0 && w->onp != 1) 1034 error = EINVAL; 1035 else { 1036 /* no fixation needed if dummy write */ 1037 if (cdp->dummy == 0) 1038 error = acd_close_disk(cdp); 1039 cdp->flags &= 1040 ~(F_WRITTEN|F_DISK_PREPED|F_TRACK_PREP|F_TRACK_PREPED); 1041 } 1042 } 1043 break; 1044 1045 case CDRIOCBLANK: 1046 return acd_blank_disk(cdp); 1047 1048 default: 1049 return ENOTTY; 1050 } 1051 return error; 1052 } 1053 1054 static int 1055 acd_read_toc(struct acd *cdp) 1056 { 1057 int ntracks, len; 1058 struct atapires result; 1059 1060 bzero(&cdp->toc, sizeof(cdp->toc)); 1061 bzero(&cdp->info, sizeof(cdp->info)); 1062 1063 acd_select_slot(cdp); 1064 1065 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1066 0, 0, 0, 0, 0, 0, 0, 0, 1067 0, 0, 0, 0, 0, 0, 0, 0, 0); 1068 1069 if (result.code == RES_ERR && 1070 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION) { 1071 cdp->flags |= F_MEDIA_CHANGED; 1072 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1073 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_TEST_UNIT_READY, 1074 0, 0, 0, 0, 0, 0, 0, 0, 1075 0, 0, 0, 0, 0, 0, 0, 0, 0); 1076 } 1077 1078 if (result.code) { 1079 atapi_error(cdp->ata, cdp->unit, result); 1080 return EIO; 1081 } 1082 1083 cdp->flags &= ~F_MEDIA_CHANGED; 1084 1085 len = sizeof(struct ioc_toc_header) + sizeof(struct cd_toc_entry); 1086 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1087 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) != 0) { 1088 bzero(&cdp->toc, sizeof(cdp->toc)); 1089 return 0; 1090 } 1091 ntracks = cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1; 1092 if (ntracks <= 0 || ntracks > MAXTRK) { 1093 bzero(&cdp->toc, sizeof(cdp->toc)); 1094 return 0; 1095 } 1096 1097 len = sizeof(struct ioc_toc_header) + ntracks * sizeof(struct cd_toc_entry); 1098 if (acd_request_wait(cdp, ATAPI_READ_TOC, 0, 0, 0, 0, 0, 0, 1099 len>>8, len & 0xff, 0, (char *)&cdp->toc, len) & 0xff){ 1100 bzero(&cdp->toc, sizeof(cdp->toc)); 1101 return 0; 1102 } 1103 1104 cdp->toc.hdr.len = ntohs(cdp->toc.hdr.len); 1105 1106 if (acd_request_wait(cdp, ATAPI_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1107 (char *)&cdp->info, sizeof(cdp->info)) != 0) 1108 bzero(&cdp->info, sizeof(cdp->info)); 1109 1110 cdp->toc.tab[ntracks].control = cdp->toc.tab[ntracks - 1].control; 1111 cdp->toc.tab[ntracks].addr_type = cdp->toc.tab[ntracks - 1].addr_type; 1112 cdp->toc.tab[ntracks].track = 170; 1113 cdp->toc.tab[ntracks].addr.lba = cdp->info.volsize; 1114 1115 cdp->info.volsize = ntohl(cdp->info.volsize); 1116 cdp->info.blksize = ntohl(cdp->info.blksize); 1117 1118 if (cdp->info.volsize && cdp->toc.hdr.ending_track 1119 && (cdp->flags & F_DEBUG)) { 1120 printf("wcd%d: ", cdp->lun); 1121 if (cdp->toc.tab[0].control & 4) 1122 printf("%ldMB ", cdp->info.volsize / 512); 1123 else 1124 printf("%ld:%ld audio ", cdp->info.volsize / 75 / 60, 1125 cdp->info.volsize / 75 % 60); 1126 printf("(%ld sectors (%ld bytes)), %d tracks\n", 1127 cdp->info.volsize, cdp->info.blksize, 1128 cdp->toc.hdr.ending_track - cdp->toc.hdr.starting_track + 1); 1129 } 1130 return 0; 1131 } 1132 1133 /* 1134 * Set up the audio channel masks. 1135 */ 1136 static int 1137 acd_setchan(struct acd *cdp, u_char c0, u_char c1, u_char c2, u_char c3) 1138 { 1139 int error; 1140 1141 error = acd_request_wait(cdp, ATAPI_MODE_SENSE, 0, CDROM_AUDIO_PAGE, 1142 0, 0, 0, 0, 1143 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1144 (char *)&cdp->au, sizeof(cdp->au)); 1145 if (error) 1146 return error; 1147 if (cdp->flags & F_DEBUG) 1148 atapi_dump(cdp->ata->ctrlr, cdp->lun, "au", &cdp->au, sizeof(cdp->au)); 1149 if (cdp->au.page_code != CDROM_AUDIO_PAGE) 1150 return EIO; 1151 1152 cdp->au.data_length = 0; 1153 cdp->au.port[0].channels = c0; 1154 cdp->au.port[1].channels = c1; 1155 cdp->au.port[2].channels = c2; 1156 cdp->au.port[3].channels = c3; 1157 return acd_request_wait(cdp, ATAPI_MODE_SELECT, 0x10, 1158 0, 0, 0, 0, 0, 1159 sizeof(cdp->au)>>8, sizeof(cdp->au), 0, 1160 (char *)&cdp->au, -sizeof(cdp->au)); 1161 } 1162 1163 static int 1164 acd_eject(struct acd *cdp, int close) 1165 { 1166 struct atapires result; 1167 1168 acd_select_slot(cdp); 1169 1170 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_START_STOP, 1, 1171 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1172 1173 if (result.code == RES_ERR && 1174 ((result.error & AER_SKEY) == AER_SK_NOT_READY || 1175 (result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION)) { 1176 int err; 1177 1178 if (!close) 1179 return 0; 1180 err = acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 3, 1181 0, 0, 0, 0, 0, 0, 0); 1182 if (err) 1183 return err; 1184 1185 acd_read_toc(cdp); 1186 1187 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1188 0, 0, 0, 0, 0, 0, 0); 1189 cdp->flags |= F_LOCKED; 1190 return 0; 1191 } 1192 if (result.code) { 1193 atapi_error(cdp->ata, cdp->unit, result); 1194 return EIO; 1195 } 1196 if (close) 1197 return 0; 1198 1199 tsleep((caddr_t) &lbolt, PRIBIO, "wcdej1", 0); 1200 tsleep((caddr_t) &lbolt, PRIBIO, "wcdej2", 0); 1201 1202 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1203 cdp->flags &= ~F_LOCKED; 1204 1205 cdp->flags |= F_MEDIA_CHANGED; 1206 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1207 return acd_request_wait(cdp, ATAPI_START_STOP, 0, 0, 0, 2, 1208 0, 0, 0, 0, 0, 0, 0); 1209 } 1210 1211 static void 1212 acd_select_slot(struct acd *cdp) 1213 { 1214 if (cdp->slot < 0 || cdp->changer_info->current_slot == cdp->slot) 1215 return; 1216 1217 /* Unlock (might not be needed but its cheaper than asking) */ 1218 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1219 1220 /* Unload the current media from player */ 1221 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 2, 1222 0, 0, 0, cdp->changer_info->current_slot, 0, 0, 0); 1223 1224 /* load the wanted slot */ 1225 acd_request_wait(cdp, ATAPI_LOAD_UNLOAD, 0, 0, 0, 3, 1226 0, 0, 0, cdp->slot, 0, 0, 0); 1227 1228 cdp->changer_info->current_slot = cdp->slot; 1229 1230 /* Lock the media if needed */ 1231 if (cdp->flags & F_LOCKED) { 1232 acd_request_wait(cdp, ATAPI_PREVENT_ALLOW, 0, 0, 0, 1, 1233 0, 0, 0, 0, 0, 0, 0); 1234 } 1235 } 1236 1237 static int 1238 acd_open_disk(struct acd *cdp, int test) 1239 { 1240 cdp->next_writeable_lba = 0; 1241 return 0; 1242 } 1243 1244 static int 1245 acd_close_disk(struct acd *cdp) 1246 { 1247 return acd_request_wait(cdp, ATAPI_CLOSE_TRACK, 0x00, 1248 0x02, 0, 0, 0/*track*/, 0, 0, 0, 0, 0, 0); 1249 } 1250 1251 static int 1252 acd_open_track(struct acd *cdp, struct wormio_prepare_track *ptp) 1253 { 1254 struct write_param param; 1255 struct atapires result; 1256 1257 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SENSE, 1258 0, 0x05, 0, 0, 0, 0, 1259 sizeof(param)>>8, sizeof(param), 1260 0, 0, 0, 0, 0, 0, 0, 1261 (char *)¶m, sizeof(param)); 1262 1263 if (cdp->flags & F_DEBUG) 1264 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1265 1266 if (result.code == RES_UNDERRUN) 1267 result.code = 0; 1268 1269 if (result.code) { 1270 atapi_error(cdp->ata, cdp->unit, result); 1271 return EIO; 1272 } 1273 param.page_code = 0x05; 1274 param.page_length = 0x32; 1275 param.test_write = cdp->dummy ? 1 : 0; 1276 param.write_type = CDR_WTYPE_TRACK; 1277 1278 switch (ptp->audio) { 1279 /* switch (data_type) { */ 1280 1281 case 0: 1282 /* case CDR_DATA: */ 1283 cdp->block_size = 2048; 1284 param.track_mode = CDR_TMODE_DATA; 1285 param.data_block_type = CDR_DB_ROM_MODE1; 1286 param.session_format = CDR_SESS_CDROM; 1287 break; 1288 1289 default: 1290 /* case CDR_AUDIO: */ 1291 cdp->block_size = 2352; 1292 if (ptp->preemp) 1293 param.track_mode = CDR_TMODE_AUDIO; 1294 else 1295 param.track_mode = 0; 1296 param.data_block_type = CDR_DB_RAW; 1297 param.session_format = CDR_SESS_CDROM; 1298 break; 1299 1300 /* 1301 case CDR_MODE2: 1302 param.track_mode = CDR_TMODE_DATA; 1303 param.data_block_type = CDR_DB_ROM_MODE2; 1304 param.session_format = CDR_SESS_CDROM; 1305 break; 1306 1307 case CDR_XA1: 1308 param.track_mode = CDR_TMODE_DATA; 1309 param.data_block_type = CDR_DB_XA_MODE1; 1310 param.session_format = CDR_SESS_CDROM_XA; 1311 break; 1312 1313 case CDR_XA2: 1314 param.track_mode = CDR_TMODE_DATA; 1315 param.data_block_type = CDR_DB_XA_MODE2_F1; 1316 param.session_format = CDR_SESS_CDROM_XA; 1317 break; 1318 1319 case CDR_CDI: 1320 param.track_mode = CDR_TMODE_DATA; 1321 param.data_block_type = CDR_DB_XA_MODE2_F1; 1322 param.session_format = CDR_SESS_CDI; 1323 break; 1324 */ 1325 } 1326 1327 param.multi_session = CDR_MSES_NONE; 1328 param.fp = 0; 1329 param.packet_size = 0; 1330 1331 if (cdp->flags & F_DEBUG) 1332 atapi_dump(cdp->ata->ctrlr, cdp->lun, "0x05", ¶m, sizeof(param)); 1333 1334 result = atapi_request_wait(cdp->ata, cdp->unit, ATAPI_MODE_SELECT, 1335 0x10, 0, 0, 0, 0, 0, 1336 sizeof(param)>>8, sizeof(param), 1337 0, 0, 0, 0, 0, 0, 0, 1338 (char *)¶m, -sizeof(param)); 1339 1340 if (result.code == RES_UNDERRUN) 1341 result.code = 0; 1342 1343 if (result.code) { 1344 atapi_error(cdp->ata, cdp->unit, result); 1345 return EIO; 1346 } 1347 return 0; 1348 } 1349 1350 static int 1351 acd_close_track(struct acd *cdp) 1352 { 1353 return acd_request_wait(cdp, ATAPI_SYNCHRONIZE_CACHE, 0, 1354 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1355 } 1356 1357 static int 1358 acd_read_track_info(struct acd *cdp, int lba, struct acd_track_info *info) 1359 { 1360 int error; 1361 1362 error = acd_request_wait(cdp, ATAPI_READ_TRACK_INFO, 0x01, 1363 lba>>24, (lba>>16)&0xff, 1364 (lba>>8)&0xff, lba&0xff, 1365 0, 1366 sizeof(*info)>>8, sizeof(*info), 0, 1367 (char *)info, sizeof(*info)); 1368 if (error) 1369 return error; 1370 info->track_start_addr = ntohl(info->track_start_addr); 1371 info->next_writeable_addr = ntohl(info->next_writeable_addr); 1372 info->free_blocks = ntohl(info->free_blocks); 1373 info->fixed_packet_size = ntohl(info->fixed_packet_size); 1374 info->track_length = ntohl(info->track_length); 1375 return 0; 1376 } 1377 1378 static int 1379 acd_blank_disk(struct acd *cdp) 1380 { 1381 int error; 1382 1383 error = acd_request_wait(cdp, 0xa1, 0x01, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); 1384 cdp->flags |= F_MEDIA_CHANGED; 1385 cdp->flags &= ~(F_WRITTEN|F_TRACK_PREP|F_TRACK_PREPED); 1386 return error; 1387 } 1388 1389 static void 1390 atapi_error(struct atapi *ata, int unit, struct atapires result) 1391 { 1392 if (result.code != RES_ERR) { 1393 printf("atapi%d:%d: ERROR %d, status=%b, error=%b\n", 1394 ata->ctrlr, unit, result.code, result.status, 1395 ARS_BITS, result.error, AER_BITS); 1396 return; 1397 } 1398 switch (result.error & AER_SKEY) { 1399 case AER_SK_NOT_READY: 1400 if (ata->debug) 1401 printf("atapi%d:%d: not ready\n", ata->ctrlr, unit); 1402 break; 1403 1404 case AER_SK_BLANK_CHECK: 1405 if (ata->debug) 1406 printf("atapi%d:%d: blank check\n", ata->ctrlr, unit); 1407 break; 1408 1409 case AER_SK_MEDIUM_ERROR: 1410 if (ata->debug) 1411 printf("atapi%d:%d: medium error\n", ata->ctrlr, unit); 1412 break; 1413 1414 case AER_SK_HARDWARE_ERROR: 1415 if (ata->debug) 1416 printf("atapi%d:%d: hardware error\n", ata->ctrlr, unit); 1417 break; 1418 1419 case AER_SK_ILLEGAL_REQUEST: 1420 if (ata->debug) 1421 printf("atapi%d:%d: illegal request\n", ata->ctrlr, unit); 1422 break; 1423 1424 case AER_SK_UNIT_ATTENTION: 1425 if (ata->debug) 1426 printf("atapi%d:%d: unit attention\n", ata->ctrlr, unit); 1427 break; 1428 1429 case AER_SK_DATA_PROTECT: 1430 if (ata->debug) 1431 printf("atapi%d:%d: reading protected data\n", ata->ctrlr, unit); 1432 break; 1433 1434 case AER_SK_ABORTED_COMMAND: 1435 if (ata->debug) 1436 printf("atapi%d:%d: command aborted\n", ata->ctrlr, unit); 1437 break; 1438 1439 case AER_SK_MISCOMPARE: 1440 if (ata->debug) 1441 printf("atapi%d:%d: data don't match medium\n", ata->ctrlr, unit); 1442 break; 1443 1444 default: 1445 if (ata->debug) 1446 printf("atapi%d:%d: unknown error, status=%b, error=%b\n", 1447 ata->ctrlr, unit, result.status, ARS_BITS, 1448 result.error, AER_BITS); 1449 } 1450 } 1451 1452 static void 1453 atapi_dump(int ctrlr, int lun, char *label, void *data, int len) 1454 { 1455 u_char *p = data; 1456 1457 printf ("atapi%d%d: %s %x", ctrlr, lun, label, *p++); 1458 while (--len > 0) printf ("-%x", *p++); 1459 printf ("\n"); 1460 }
Cache object: b8afa0bfafc8eaa8af46c4f9bede2a21
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