newfs_udf.c revision 1.1.4.4
1 /* $NetBSD: newfs_udf.c,v 1.1.4.4 2008/09/28 11:17:14 mjf Exp $ */ 2 3 /* 4 * Copyright (c) 2006, 2008 Reinoud Zandijk 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 /* 30 * TODO 31 * - implement meta data partition formatting. 32 * - implement support for a read-only companion partition? 33 */ 34 35 #define _EXPOSE_MMC 36 #if 0 37 # define DEBUG 38 #endif 39 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <dirent.h> 43 #include <inttypes.h> 44 #include <stdint.h> 45 #include <string.h> 46 #include <errno.h> 47 #include <fcntl.h> 48 #include <unistd.h> 49 #include <util.h> 50 #include <time.h> 51 #include <assert.h> 52 #include <err.h> 53 54 #include <sys/ioctl.h> 55 #include <sys/stat.h> 56 #include <sys/types.h> 57 #include <sys/cdio.h> 58 #include <sys/disklabel.h> 59 #include <sys/dkio.h> 60 #include <sys/param.h> 61 #include <sys/queue.h> 62 63 #include <fs/udf/ecma167-udf.h> 64 #include <fs/udf/udf_mount.h> 65 66 #include "mountprog.h" 67 #include "udf_create.h" 68 69 /* general settings */ 70 #define UDF_512_TRACK 0 /* NOT recommended */ 71 #define UDF_META_PERC 20 /* picked */ 72 73 74 /* prototypes */ 75 int newfs_udf(int argc, char **argv); 76 static void usage(void) __attribute__((__noreturn__)); 77 78 int udf_derive_format(int req_en, int req_dis, int force); 79 int udf_proces_names(void); 80 int udf_do_newfs(void); 81 82 /* Identifying myself */ 83 #define APP_NAME "*NetBSD newfs" 84 #define APP_VERSION_MAIN 0 85 #define APP_VERSION_SUB 3 86 #define IMPL_NAME "*NetBSD userland UDF" 87 88 89 /* global variables describing disc and format requests */ 90 int fd; /* device: file descriptor */ 91 char *dev; /* device: name */ 92 struct mmc_discinfo mmc_discinfo; /* device: disc info */ 93 94 char *format_str; /* format: string representation */ 95 int format_flags; /* format: attribute flags */ 96 int media_accesstype; /* derived from current mmc cap */ 97 int check_surface; /* for rewritables */ 98 99 int wrtrack_skew; 100 int meta_perc = UDF_META_PERC; 101 float meta_fract = (float) UDF_META_PERC / 100.0; 102 103 104 /* shared structure between udf_create.c users */ 105 struct udf_create_context context; 106 struct udf_disclayout layout; 107 108 109 /* queue for temporary storage of sectors to be written out */ 110 struct wrsect { 111 uint32_t sectornr; 112 uint8_t *sector_data; 113 TAILQ_ENTRY(wrsect) next; 114 }; 115 116 /* write queue and track blocking skew */ 117 TAILQ_HEAD(wrsect_list, wrsect) write_queue; 118 119 120 /* --------------------------------------------------------------------- */ 121 122 /* 123 * write queue implementation 124 */ 125 126 static int 127 udf_write_sector(void *sector, uint32_t location) 128 { 129 struct wrsect *pos, *seekpos; 130 131 132 /* search location */ 133 TAILQ_FOREACH_REVERSE(seekpos, &write_queue, wrsect_list, next) { 134 if (seekpos->sectornr <= location) 135 break; 136 } 137 if ((seekpos == NULL) || (seekpos->sectornr != location)) { 138 pos = calloc(1, sizeof(struct wrsect)); 139 if (pos == NULL) 140 return ENOMEM; 141 /* allocate space for copy of sector data */ 142 pos->sector_data = calloc(1, context.sector_size); 143 if (pos->sector_data == NULL) 144 return ENOMEM; 145 pos->sectornr = location; 146 147 if (seekpos) { 148 TAILQ_INSERT_AFTER(&write_queue, seekpos, pos, next); 149 } else { 150 TAILQ_INSERT_HEAD(&write_queue, pos, next); 151 } 152 } else { 153 pos = seekpos; 154 } 155 memcpy(pos->sector_data, sector, context.sector_size); 156 157 return 0; 158 } 159 160 161 /* 162 * Now all write requests are queued in the TAILQ, write them out to the 163 * disc/file image. Special care needs to be taken for devices that are only 164 * strict overwritable i.e. only in packet size chunks 165 * 166 * XXX support for growing vnd? 167 */ 168 169 static int 170 writeout_write_queue(void) 171 { 172 struct wrsect *pos; 173 uint64_t offset; 174 uint32_t line_len, line_offset; 175 uint32_t line_start, new_line_start, relpos; 176 uint32_t blockingnr; 177 uint8_t *linebuf, *adr; 178 179 blockingnr = layout.blockingnr; 180 line_len = blockingnr * context.sector_size; 181 line_offset = wrtrack_skew * context.sector_size; 182 183 linebuf = malloc(line_len); 184 if (linebuf == NULL) 185 return ENOMEM; 186 187 pos = TAILQ_FIRST(&write_queue); 188 bzero(linebuf, line_len); 189 190 /* 191 * Always writing out in whole lines now; this is slightly wastefull 192 * on logical overwrite volumes but it reduces complexity and the loss 193 * is near zero compared to disc size. 194 */ 195 line_start = (pos->sectornr - wrtrack_skew) / blockingnr; 196 TAILQ_FOREACH(pos, &write_queue, next) { 197 new_line_start = (pos->sectornr - wrtrack_skew) / blockingnr; 198 if (new_line_start != line_start) { 199 /* write out */ 200 offset = (uint64_t) line_start * line_len + line_offset; 201 #ifdef DEBUG 202 printf("WRITEOUT %08"PRIu64" + %02d -- " 203 "[%08"PRIu64"..%08"PRIu64"]\n", 204 offset / context.sector_size, blockingnr, 205 offset / context.sector_size, 206 offset / context.sector_size + blockingnr-1); 207 #endif 208 if (pwrite(fd, linebuf, line_len, offset) < 0) { 209 perror("Writing failed"); 210 return errno; 211 } 212 line_start = new_line_start; 213 bzero(linebuf, line_len); 214 } 215 216 relpos = (pos->sectornr - wrtrack_skew) % blockingnr; 217 adr = linebuf + relpos * context.sector_size; 218 memcpy(adr, pos->sector_data, context.sector_size); 219 } 220 /* writeout last chunk */ 221 offset = (uint64_t) line_start * line_len + line_offset; 222 #ifdef DEBUG 223 printf("WRITEOUT %08"PRIu64" + %02d -- [%08"PRIu64"..%08"PRIu64"]\n", 224 offset / context.sector_size, blockingnr, 225 offset / context.sector_size, 226 offset / context.sector_size + blockingnr-1); 227 #endif 228 if (pwrite(fd, linebuf, line_len, offset) < 0) { 229 perror("Writing failed"); 230 return errno; 231 } 232 233 /* success */ 234 return 0; 235 } 236 237 /* --------------------------------------------------------------------- */ 238 239 /* 240 * mmc_discinfo and mmc_trackinfo readers modified from origional in udf main 241 * code in sys/fs/udf/ 242 */ 243 244 #ifdef DEBUG 245 static void 246 udf_dump_discinfo(struct mmc_discinfo *di) 247 { 248 char bits[128]; 249 250 printf("Device/media info :\n"); 251 printf("\tMMC profile 0x%02x\n", di->mmc_profile); 252 printf("\tderived class %d\n", di->mmc_class); 253 printf("\tsector size %d\n", di->sector_size); 254 printf("\tdisc state %d\n", di->disc_state); 255 printf("\tlast ses state %d\n", di->last_session_state); 256 printf("\tbg format state %d\n", di->bg_format_state); 257 printf("\tfrst track %d\n", di->first_track); 258 printf("\tfst on last ses %d\n", di->first_track_last_session); 259 printf("\tlst on last ses %d\n", di->last_track_last_session); 260 printf("\tlink block penalty %d\n", di->link_block_penalty); 261 snprintb(bits, sizeof(bits), MMC_DFLAGS_FLAGBITS, (uint64_t) di->disc_flags); 262 printf("\tdisc flags %s\n", bits); 263 printf("\tdisc id %x\n", di->disc_id); 264 printf("\tdisc barcode %"PRIx64"\n", di->disc_barcode); 265 266 printf("\tnum sessions %d\n", di->num_sessions); 267 printf("\tnum tracks %d\n", di->num_tracks); 268 269 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cur); 270 printf("\tcapabilities cur %s\n", bits); 271 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cap); 272 printf("\tcapabilities cap %s\n", bits); 273 printf("\n"); 274 printf("\tlast_possible_lba %d\n", di->last_possible_lba); 275 printf("\n"); 276 } 277 #else 278 #define udf_dump_discinfo(a); 279 #endif 280 281 /* --------------------------------------------------------------------- */ 282 283 static int 284 udf_update_discinfo(struct mmc_discinfo *di) 285 { 286 struct disklabel disklab; 287 struct partition *dp; 288 struct stat st; 289 int partnr, error; 290 291 memset(di, 0, sizeof(struct mmc_discinfo)); 292 293 /* check if we're on a MMC capable device, i.e. CD/DVD */ 294 error = ioctl(fd, MMCGETDISCINFO, di); 295 if (error == 0) 296 return 0; 297 298 /* 299 * disc partition support; note we can't use DIOCGPART in userland so 300 * get disc label and use the stat info to get the partition number. 301 */ 302 if (ioctl(fd, DIOCGDINFO, &disklab) == -1) { 303 /* failed to get disclabel! */ 304 perror("disklabel"); 305 return errno; 306 } 307 308 /* get disk partition it refers to */ 309 fstat(fd, &st); 310 partnr = DISKPART(st.st_rdev); 311 dp = &disklab.d_partitions[partnr]; 312 313 /* set up a disc info profile for partitions */ 314 di->mmc_profile = 0x01; /* disc type */ 315 di->mmc_class = MMC_CLASS_DISC; 316 di->disc_state = MMC_STATE_CLOSED; 317 di->last_session_state = MMC_STATE_CLOSED; 318 di->bg_format_state = MMC_BGFSTATE_COMPLETED; 319 di->link_block_penalty = 0; 320 321 di->mmc_cur = MMC_CAP_RECORDABLE | MMC_CAP_REWRITABLE | 322 MMC_CAP_ZEROLINKBLK | MMC_CAP_HW_DEFECTFREE; 323 di->mmc_cap = di->mmc_cur; 324 di->disc_flags = MMC_DFLAGS_UNRESTRICTED; 325 326 /* TODO problem with last_possible_lba on resizable VND; request */ 327 if (dp->p_size == 0) { 328 perror("faulty disklabel partition returned, check label\n"); 329 return EIO; 330 } 331 di->last_possible_lba = dp->p_size - 1; 332 di->sector_size = disklab.d_secsize; 333 334 di->num_sessions = 1; 335 di->num_tracks = 1; 336 337 di->first_track = 1; 338 di->first_track_last_session = di->last_track_last_session = 1; 339 340 return 0; 341 } 342 343 344 static int 345 udf_update_trackinfo(struct mmc_discinfo *di, struct mmc_trackinfo *ti) 346 { 347 int error, class; 348 349 class = di->mmc_class; 350 if (class != MMC_CLASS_DISC) { 351 /* tracknr specified in struct ti */ 352 error = ioctl(fd, MMCGETTRACKINFO, ti); 353 return error; 354 } 355 356 /* discs partition support */ 357 if (ti->tracknr != 1) 358 return EIO; 359 360 /* create fake ti (TODO check for resized vnds) */ 361 ti->sessionnr = 1; 362 363 ti->track_mode = 0; /* XXX */ 364 ti->data_mode = 0; /* XXX */ 365 ti->flags = MMC_TRACKINFO_LRA_VALID | MMC_TRACKINFO_NWA_VALID; 366 367 ti->track_start = 0; 368 ti->packet_size = 1; 369 370 /* TODO support for resizable vnd */ 371 ti->track_size = di->last_possible_lba; 372 ti->next_writable = di->last_possible_lba; 373 ti->last_recorded = ti->next_writable; 374 ti->free_blocks = 0; 375 376 return 0; 377 } 378 379 380 static int 381 udf_setup_writeparams(struct mmc_discinfo *di) 382 { 383 struct mmc_writeparams mmc_writeparams; 384 int error; 385 386 if (di->mmc_class == MMC_CLASS_DISC) 387 return 0; 388 389 /* 390 * only CD burning normally needs setting up, but other disc types 391 * might need other settings to be made. The MMC framework will set up 392 * the nessisary recording parameters according to the disc 393 * characteristics read in. Modifications can be made in the discinfo 394 * structure passed to change the nature of the disc. 395 */ 396 memset(&mmc_writeparams, 0, sizeof(struct mmc_writeparams)); 397 mmc_writeparams.mmc_class = di->mmc_class; 398 mmc_writeparams.mmc_cur = di->mmc_cur; 399 400 /* 401 * UDF dictates first track to determine track mode for the whole 402 * disc. [UDF 1.50/6.10.1.1, UDF 1.50/6.10.2.1] 403 * To prevent problems with a `reserved' track in front we start with 404 * the 2nd track and if that is not valid, go for the 1st. 405 */ 406 mmc_writeparams.tracknr = 2; 407 mmc_writeparams.data_mode = MMC_DATAMODE_DEFAULT; /* XA disc */ 408 mmc_writeparams.track_mode = MMC_TRACKMODE_DEFAULT; /* data */ 409 410 error = ioctl(fd, MMCSETUPWRITEPARAMS, &mmc_writeparams); 411 if (error) { 412 mmc_writeparams.tracknr = 1; 413 error = ioctl(fd, MMCSETUPWRITEPARAMS, &mmc_writeparams); 414 } 415 return error; 416 } 417 418 419 static void 420 udf_synchronise_caches(void) 421 { 422 struct mmc_op mmc_op; 423 424 bzero(&mmc_op, sizeof(struct mmc_op)); 425 mmc_op.operation = MMC_OP_SYNCHRONISECACHE; 426 427 /* this device might not know this ioct, so just be ignorant */ 428 (void) ioctl(fd, MMCOP, &mmc_op); 429 } 430 431 /* --------------------------------------------------------------------- */ 432 433 static int 434 udf_write_dscr_phys(union dscrptr *dscr, uint32_t location, 435 uint32_t sects) 436 { 437 uint32_t phys; 438 uint8_t *bpos; 439 int error, cnt; 440 441 dscr->tag.tag_loc = udf_rw32(location); 442 (void) udf_validate_tag_and_crc_sums(dscr); 443 444 for (cnt = 0; cnt < sects; cnt++) { 445 bpos = (uint8_t *) dscr; 446 bpos += context.sector_size * cnt; 447 448 phys = location + cnt; 449 error = udf_write_sector(bpos, phys); 450 if (error) 451 return error; 452 } 453 return 0; 454 } 455 456 457 static int 458 udf_write_dscr_virt(union dscrptr *dscr, uint32_t location, uint32_t vpart, 459 uint32_t sects) 460 { 461 struct file_entry *fe; 462 struct extfile_entry *efe; 463 struct extattrhdr_desc *extattrhdr; 464 uint32_t phys; 465 uint8_t *bpos; 466 int error, cnt; 467 468 extattrhdr = NULL; 469 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 470 fe = (struct file_entry *) dscr; 471 if (udf_rw32(fe->l_ea) > 0) 472 extattrhdr = (struct extattrhdr_desc *) fe->data; 473 } 474 if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 475 efe = (struct extfile_entry *) dscr; 476 if (udf_rw32(efe->l_ea) > 0) 477 extattrhdr = (struct extattrhdr_desc *) efe->data; 478 } 479 if (extattrhdr) { 480 extattrhdr->tag.tag_loc = udf_rw32(location); 481 udf_validate_tag_and_crc_sums((union dscrptr *) extattrhdr); 482 } 483 484 dscr->tag.tag_loc = udf_rw32(location); 485 udf_validate_tag_and_crc_sums(dscr); 486 487 for (cnt = 0; cnt < sects; cnt++) { 488 bpos = (uint8_t *) dscr; 489 bpos += context.sector_size * cnt; 490 491 /* NOTE linear mapping assumed in the ranges used */ 492 phys = context.vtop_offset[vpart] + location + cnt; 493 494 error = udf_write_sector(bpos, phys); 495 if (error) 496 return error; 497 } 498 return 0; 499 } 500 501 /* --------------------------------------------------------------------- */ 502 503 /* 504 * udf_derive_format derives the format_flags from the disc's mmc_discinfo. 505 * The resulting flags uniquely define a disc format. Note there are at least 506 * 7 distinct format types defined in UDF. 507 */ 508 509 #define UDF_VERSION(a) \ 510 (((a) == 0x100) || ((a) == 0x102) || ((a) == 0x150) || ((a) == 0x200) || \ 511 ((a) == 0x201) || ((a) == 0x250) || ((a) == 0x260)) 512 513 int 514 udf_derive_format(int req_enable, int req_disable, int force) 515 { 516 /* disc writability, formatted, appendable */ 517 if ((mmc_discinfo.mmc_cur & MMC_CAP_RECORDABLE) == 0) { 518 (void)printf("Can't newfs readonly device\n"); 519 return EROFS; 520 } 521 if (mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) { 522 /* sequentials need sessions appended */ 523 if (mmc_discinfo.disc_state == MMC_STATE_CLOSED) { 524 (void)printf("Can't append session to a closed disc\n"); 525 return EROFS; 526 } 527 if ((mmc_discinfo.disc_state != MMC_STATE_EMPTY) && !force) { 528 (void)printf("Disc not empty! Use -F to force " 529 "initialisation\n"); 530 return EROFS; 531 } 532 } else { 533 /* check if disc (being) formatted or has been started on */ 534 if (mmc_discinfo.disc_state == MMC_STATE_EMPTY) { 535 (void)printf("Disc is not formatted\n"); 536 return EROFS; 537 } 538 } 539 540 /* determine UDF format */ 541 format_flags = 0; 542 if (mmc_discinfo.mmc_cur & MMC_CAP_REWRITABLE) { 543 /* all rewritable media */ 544 format_flags |= FORMAT_REWRITABLE; 545 if (context.min_udf >= 0x0250) { 546 /* standard dictates meta as default */ 547 format_flags |= FORMAT_META; 548 } 549 550 if ((mmc_discinfo.mmc_cur & MMC_CAP_HW_DEFECTFREE) == 0) { 551 /* sparables for defect management */ 552 if (context.min_udf >= 0x150) 553 format_flags |= FORMAT_SPARABLE; 554 } 555 } else { 556 /* all once recordable media */ 557 format_flags |= FORMAT_WRITEONCE; 558 if (mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) { 559 format_flags |= FORMAT_SEQUENTIAL; 560 561 if (mmc_discinfo.mmc_cur & MMC_CAP_PSEUDOOVERWRITE) { 562 /* logical overwritable */ 563 format_flags |= FORMAT_LOW; 564 } else { 565 /* have to use VAT for overwriting */ 566 format_flags |= FORMAT_VAT; 567 } 568 } else { 569 /* rare WORM devices, but BluRay has one, strat4096 */ 570 format_flags |= FORMAT_WORM; 571 } 572 } 573 574 /* enable/disable requests */ 575 if (req_disable & FORMAT_META) { 576 format_flags &= ~FORMAT_META; 577 req_disable &= ~FORMAT_META; 578 } 579 if (req_disable || req_enable) { 580 (void)printf("Internal error\n"); 581 (void)printf("\tunrecognised enable/disable req.\n"); 582 return EIO; 583 } 584 if ((format_flags && FORMAT_VAT) && UDF_512_TRACK) 585 format_flags |= FORMAT_TRACK512; 586 587 /* determine partition/media access type */ 588 media_accesstype = UDF_ACCESSTYPE_NOT_SPECIFIED; 589 if (mmc_discinfo.mmc_cur & MMC_CAP_REWRITABLE) { 590 media_accesstype = UDF_ACCESSTYPE_OVERWRITABLE; 591 if (mmc_discinfo.mmc_cur & MMC_CAP_ERASABLE) 592 media_accesstype = UDF_ACCESSTYPE_REWRITEABLE; 593 } else { 594 /* all once recordable media */ 595 media_accesstype = UDF_ACCESSTYPE_WRITE_ONCE; 596 } 597 if (mmc_discinfo.mmc_cur & MMC_CAP_PSEUDOOVERWRITE) 598 media_accesstype = UDF_ACCESSTYPE_PSEUDO_OVERWITE; 599 600 /* adjust minimum version limits */ 601 if (format_flags & FORMAT_VAT) 602 context.min_udf = MAX(context.min_udf, 0x0150); 603 if (format_flags & FORMAT_SPARABLE) 604 context.min_udf = MAX(context.min_udf, 0x0150); 605 if (format_flags & FORMAT_META) 606 context.min_udf = MAX(context.min_udf, 0x0250); 607 if (format_flags & FORMAT_LOW) 608 context.min_udf = MAX(context.min_udf, 0x0260); 609 610 /* adjust maximum version limits not to tease or break things */ 611 if (!(format_flags & FORMAT_META) && (context.max_udf > 0x200)) 612 context.max_udf = 0x201; 613 614 if ((format_flags & (FORMAT_VAT | FORMAT_SPARABLE)) == 0) 615 if (context.max_udf <= 0x150) 616 context.min_udf = 0x102; 617 618 /* limit Ecma 167 descriptor if possible/needed */ 619 context.dscrver = 3; 620 if ((context.min_udf < 0x200) || (context.max_udf < 0x200)) { 621 context.dscrver = 2; 622 context.max_udf = 0x150; /* last version < 0x200 */ 623 } 624 625 /* is it possible ? */ 626 if (context.min_udf > context.max_udf) { 627 (void)printf("Initialisation prohibited by specified maximum " 628 "UDF version 0x%04x. Minimum version required 0x%04x\n", 629 context.max_udf, context.min_udf); 630 return EPERM; 631 } 632 633 if (!UDF_VERSION(context.min_udf) || !UDF_VERSION(context.max_udf)) { 634 printf("Choose UDF version numbers from " 635 "0x102, 0x150, 0x200, 0x201, 0x250 and 0x260\n"); 636 printf("Default version is 0x201\n"); 637 return EPERM; 638 } 639 640 return 0; 641 } 642 643 #undef UDF_VERSION 644 645 646 /* --------------------------------------------------------------------- */ 647 648 int 649 udf_proces_names(void) 650 { 651 uint32_t primary_nr; 652 uint64_t volset_nr; 653 654 if (context.logvol_name == NULL) 655 context.logvol_name = strdup("anonymous"); 656 if (context.primary_name == NULL) { 657 if (mmc_discinfo.disc_flags & MMC_DFLAGS_DISCIDVALID) { 658 primary_nr = mmc_discinfo.disc_id; 659 } else { 660 primary_nr = (uint32_t) random(); 661 } 662 context.primary_name = calloc(32, 1); 663 sprintf(context.primary_name, "%08"PRIx32, primary_nr); 664 } 665 if (context.volset_name == NULL) { 666 if (mmc_discinfo.disc_flags & MMC_DFLAGS_BARCODEVALID) { 667 volset_nr = mmc_discinfo.disc_barcode; 668 } else { 669 volset_nr = (uint32_t) random(); 670 volset_nr |= ((uint64_t) random()) << 32; 671 } 672 context.volset_name = calloc(128,1); 673 sprintf(context.volset_name, "%016"PRIx64, volset_nr); 674 } 675 if (context.fileset_name == NULL) 676 context.fileset_name = strdup("anonymous"); 677 678 /* check passed/created identifiers */ 679 if (strlen(context.logvol_name) > 128) { 680 (void)printf("Logical volume name too long\n"); 681 return EINVAL; 682 } 683 if (strlen(context.primary_name) > 32) { 684 (void)printf("Primary volume name too long\n"); 685 return EINVAL; 686 } 687 if (strlen(context.volset_name) > 128) { 688 (void)printf("Volume set name too long\n"); 689 return EINVAL; 690 } 691 if (strlen(context.fileset_name) > 32) { 692 (void)printf("Fileset name too long\n"); 693 return EINVAL; 694 } 695 696 /* signal all OK */ 697 return 0; 698 } 699 700 /* --------------------------------------------------------------------- */ 701 702 static int 703 udf_prepare_disc(void) 704 { 705 struct mmc_trackinfo ti; 706 struct mmc_op op; 707 int tracknr, error; 708 709 /* If the last track is damaged, repair it */ 710 ti.tracknr = mmc_discinfo.last_track_last_session; 711 error = udf_update_trackinfo(&mmc_discinfo, &ti); 712 if (error) 713 return error; 714 715 if (ti.flags & MMC_TRACKINFO_DAMAGED) { 716 /* 717 * Need to repair last track before anything can be done. 718 * this is an optional command, so ignore its error but report 719 * warning. 720 */ 721 memset(&op, 0, sizeof(op)); 722 op.operation = MMC_OP_REPAIRTRACK; 723 op.mmc_profile = mmc_discinfo.mmc_profile; 724 op.tracknr = ti.tracknr; 725 error = ioctl(fd, MMCOP, &op); 726 727 if (error) 728 (void)printf("Drive can't explicitly repair last " 729 "damaged track, but it might autorepair\n"); 730 } 731 /* last track (if any) might not be damaged now, operations are ok now */ 732 733 /* setup write parameters from discinfo */ 734 error = udf_setup_writeparams(&mmc_discinfo); 735 if (error) 736 return error; 737 738 /* if the drive is not sequential, we're done */ 739 if ((mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) == 0) 740 return 0; 741 742 #ifdef notyet 743 /* if last track is not the reserved but an empty track, unreserve it */ 744 if (ti.flags & MMC_TRACKINFO_BLANK) { 745 if (ti.flags & MMC_TRACKINFO_RESERVED == 0) { 746 memset(&op, 0, sizeof(op)); 747 op.operation = MMC_OP_UNRESERVETRACK; 748 op.mmc_profile = mmc_discinfo.mmc_profile; 749 op.tracknr = ti.tracknr; 750 error = ioctl(fd, MMCOP, &op); 751 if (error) 752 return error; 753 754 /* update discinfo since it changed by the operation */ 755 error = udf_update_discinfo(&mmc_discinfo); 756 if (error) 757 return error; 758 } 759 } 760 #endif 761 762 /* close the last session if its still open */ 763 if (mmc_discinfo.last_session_state == MMC_STATE_INCOMPLETE) { 764 printf("Closing last open session if present\n"); 765 /* close all associated tracks */ 766 tracknr = mmc_discinfo.first_track_last_session; 767 while (tracknr <= mmc_discinfo.last_track_last_session) { 768 ti.tracknr = tracknr; 769 error = udf_update_trackinfo(&mmc_discinfo, &ti); 770 if (error) 771 return error; 772 printf("\tClosing open track %d\n", tracknr); 773 memset(&op, 0, sizeof(op)); 774 op.operation = MMC_OP_CLOSETRACK; 775 op.mmc_profile = mmc_discinfo.mmc_profile; 776 op.tracknr = tracknr; 777 error = ioctl(fd, MMCOP, &op); 778 if (error) 779 return error; 780 tracknr ++; 781 } 782 printf("Closing session\n"); 783 memset(&op, 0, sizeof(op)); 784 op.operation = MMC_OP_CLOSESESSION; 785 op.mmc_profile = mmc_discinfo.mmc_profile; 786 op.sessionnr = mmc_discinfo.num_sessions; 787 error = ioctl(fd, MMCOP, &op); 788 if (error) 789 return error; 790 791 /* update discinfo since it changed by the operations */ 792 error = udf_update_discinfo(&mmc_discinfo); 793 if (error) 794 return error; 795 } 796 797 if (format_flags & FORMAT_TRACK512) { 798 /* get last track again */ 799 ti.tracknr = mmc_discinfo.last_track_last_session; 800 error = udf_update_trackinfo(&mmc_discinfo, &ti); 801 if (error) 802 return error; 803 804 /* Split up the space at 512 for iso cd9660 hooking */ 805 memset(&op, 0, sizeof(op)); 806 op.operation = MMC_OP_RESERVETRACK_NWA; /* UPTO nwa */ 807 op.mmc_profile = mmc_discinfo.mmc_profile; 808 op.extent = 512; /* size */ 809 error = ioctl(fd, MMCOP, &op); 810 if (error) 811 return error; 812 } 813 814 return 0; 815 } 816 817 /* --------------------------------------------------------------------- */ 818 819 static int 820 udf_surface_check(void) 821 { 822 uint32_t loc, block_bytes; 823 uint32_t sector_size, blockingnr; 824 uint8_t *buffer; 825 int error, num_errors; 826 int bpos; 827 828 sector_size = context.sector_size; 829 blockingnr = layout.blockingnr; 830 831 block_bytes = layout.blockingnr * sector_size; 832 if ((buffer = malloc(block_bytes)) == NULL) 833 return ENOMEM; 834 835 /* set all one to not kill Flash memory? */ 836 for (bpos = 0; bpos < block_bytes; bpos++) 837 buffer[bpos] = 0x00; 838 839 printf("\nChecking disc surface : phase 1 - writing\n"); 840 num_errors = 0; 841 loc = layout.first_lba; 842 while (loc <= layout.last_lba) { 843 /* write blockingnr sectors */ 844 error = pwrite(fd, buffer, block_bytes, loc*sector_size); 845 printf(" %08d + %d (%02d %%)\r", loc, blockingnr, 846 (int)((100.0 * loc)/layout.last_lba)); 847 fflush(stdout); 848 if (error == -1) { 849 /* block is bad */ 850 printf("BAD block at %08d + %d \n", 851 loc, layout.blockingnr); 852 if ((error = udf_register_bad_block(loc))) 853 return error; 854 num_errors ++; 855 } 856 loc += layout.blockingnr; 857 } 858 859 printf("\nChecking disc surface : phase 2 - reading\n"); 860 num_errors = 0; 861 loc = layout.first_lba; 862 while (loc <= layout.last_lba) { 863 /* read blockingnr sectors */ 864 error = pread(fd, buffer, block_bytes, loc*sector_size); 865 printf(" %08d + %d (%02d %%)\r", loc, blockingnr, 866 (int)((100.0 * loc)/layout.last_lba)); 867 fflush(stdout); 868 if (error == -1) { 869 /* block is bad */ 870 printf("BAD block at %08d + %d \n", 871 loc, layout.blockingnr); 872 if ((error = udf_register_bad_block(loc))) 873 return error; 874 num_errors ++; 875 } 876 loc += layout.blockingnr; 877 } 878 printf("Scan complete : %d bad blocks found\n", num_errors); 879 free(buffer); 880 881 return 0; 882 } 883 884 /* --------------------------------------------------------------------- */ 885 886 static int 887 udf_write_iso9660_vrs(void) 888 { 889 struct vrs_desc *iso9660_vrs_desc; 890 uint32_t pos; 891 int error, cnt, dpos; 892 893 /* create ISO/Ecma-167 identification descriptors */ 894 if ((iso9660_vrs_desc = calloc(1, context.sector_size)) == NULL) 895 return ENOMEM; 896 897 /* 898 * All UDF formats should have their ISO/Ecma-167 descriptors written 899 * except when not possible due to track reservation in the case of 900 * VAT 901 */ 902 if ((format_flags & FORMAT_TRACK512) == 0) { 903 dpos = (2048 + context.sector_size - 1) / context.sector_size; 904 905 /* wipe at least 6 times 2048 byte `sectors' */ 906 for (cnt = 0; cnt < 6 *dpos; cnt++) { 907 pos = layout.iso9660_vrs + cnt; 908 if ((error = udf_write_sector(iso9660_vrs_desc, pos))) 909 return error; 910 } 911 912 /* common VRS fields in all written out ISO descriptors */ 913 iso9660_vrs_desc->struct_type = 0; 914 iso9660_vrs_desc->version = 1; 915 pos = layout.iso9660_vrs; 916 917 /* BEA01, NSR[23], TEA01 */ 918 memcpy(iso9660_vrs_desc->identifier, "BEA01", 5); 919 if ((error = udf_write_sector(iso9660_vrs_desc, pos))) 920 return error; 921 pos += dpos; 922 923 if (context.dscrver == 2) 924 memcpy(iso9660_vrs_desc->identifier, "NSR02", 5); 925 else 926 memcpy(iso9660_vrs_desc->identifier, "NSR03", 5); 927 ; 928 if ((error = udf_write_sector(iso9660_vrs_desc, pos))) 929 return error; 930 pos += dpos; 931 932 memcpy(iso9660_vrs_desc->identifier, "TEA01", 5); 933 if ((error = udf_write_sector(iso9660_vrs_desc, pos))) 934 return error; 935 } 936 937 /* return success */ 938 return 0; 939 } 940 941 942 /* --------------------------------------------------------------------- */ 943 944 /* 945 * Main function that creates and writes out disc contents based on the 946 * format_flags's that uniquely define the type of disc to create. 947 */ 948 949 int 950 udf_do_newfs(void) 951 { 952 union dscrptr *zero_dscr; 953 union dscrptr *terminator_dscr; 954 union dscrptr *root_dscr; 955 union dscrptr *vat_dscr; 956 union dscrptr *dscr; 957 struct mmc_trackinfo ti; 958 uint32_t sparable_blocks; 959 uint32_t sector_size, blockingnr; 960 uint32_t cnt, loc, len; 961 int sectcopy; 962 int error, integrity_type; 963 int data_part, metadata_part; 964 965 /* init */ 966 sector_size = mmc_discinfo.sector_size; 967 968 /* determine span/size */ 969 ti.tracknr = mmc_discinfo.first_track_last_session; 970 error = udf_update_trackinfo(&mmc_discinfo, &ti); 971 if (error) 972 return error; 973 974 if (mmc_discinfo.sector_size < context.sector_size) { 975 fprintf(stderr, "Impossible to format: sectorsize too small\n"); 976 return EIO; 977 } 978 context.sector_size = sector_size; 979 980 /* determine blockingnr */ 981 blockingnr = ti.packet_size; 982 if (blockingnr <= 1) { 983 /* paranoia on blockingnr */ 984 switch (mmc_discinfo.mmc_profile) { 985 case 0x09 : /* CD-R */ 986 case 0x0a : /* CD-RW */ 987 blockingnr = 32; /* UDF requirement */ 988 break; 989 case 0x11 : /* DVD-R (DL) */ 990 case 0x1b : /* DVD+R */ 991 case 0x2b : /* DVD+R Dual layer */ 992 case 0x13 : /* DVD-RW restricted overwrite */ 993 case 0x14 : /* DVD-RW sequential */ 994 blockingnr = 16; /* SCSI definition */ 995 break; 996 case 0x41 : /* BD-R Sequential recording (SRM) */ 997 case 0x51 : /* HD DVD-R */ 998 blockingnr = 32; /* SCSI definition */ 999 break; 1000 default: 1001 break; 1002 } 1003 1004 } 1005 if (blockingnr <= 0) { 1006 printf("Can't fixup blockingnumber for device " 1007 "type %d\n", mmc_discinfo.mmc_profile); 1008 1009 printf("Device is not returning valid blocking" 1010 " number and media type is unknown.\n"); 1011 1012 return EINVAL; 1013 } 1014 1015 /* setup sector writeout queue's */ 1016 TAILQ_INIT(&write_queue); 1017 wrtrack_skew = ti.track_start % blockingnr; 1018 1019 if (mmc_discinfo.mmc_class == MMC_CLASS_CD) { 1020 /* not too much for CD-RW, still 20Mb */ 1021 sparable_blocks = 32; 1022 } else { 1023 /* take a value for DVD*RW mainly, BD is `defect free' */ 1024 sparable_blocks = 512; 1025 } 1026 1027 /* get layout */ 1028 error = udf_calculate_disc_layout(format_flags, context.min_udf, 1029 wrtrack_skew, 1030 ti.track_start, mmc_discinfo.last_possible_lba, 1031 sector_size, blockingnr, sparable_blocks, 1032 meta_fract); 1033 1034 /* cache partition for we need it often */ 1035 data_part = context.data_part; 1036 metadata_part = context.metadata_part; 1037 1038 /* Create sparing table descriptor if applicable */ 1039 if (format_flags & FORMAT_SPARABLE) { 1040 if ((error = udf_create_sparing_tabled())) 1041 return error; 1042 1043 if (check_surface) { 1044 if ((error = udf_surface_check())) 1045 return error; 1046 } 1047 } 1048 1049 /* Create a generic terminator descriptor */ 1050 terminator_dscr = calloc(1, sector_size); 1051 if (terminator_dscr == NULL) 1052 return ENOMEM; 1053 udf_create_terminator(terminator_dscr, 0); 1054 1055 /* 1056 * Start with wipeout of VRS1 upto start of partition. This allows 1057 * formatting for sequentials with the track reservation and it 1058 * cleans old rubbish on rewritables. For sequentuals without the 1059 * track reservation all is wiped from track start. 1060 */ 1061 if ((zero_dscr = calloc(1, context.sector_size)) == NULL) 1062 return ENOMEM; 1063 1064 loc = (format_flags & FORMAT_TRACK512) ? layout.vds1 : ti.track_start; 1065 for (; loc < layout.part_start_lba; loc++) { 1066 if ((error = udf_write_sector(zero_dscr, loc))) 1067 return error; 1068 } 1069 1070 /* Create anchors */ 1071 for (cnt = 0; cnt < 3; cnt++) { 1072 if ((error = udf_create_anchor(cnt))) 1073 return error; 1074 } 1075 1076 /* 1077 * Create the two Volume Descriptor Sets (VDS) each containing the 1078 * following descriptors : primary volume, partition space, 1079 * unallocated space, logical volume, implementation use and the 1080 * terminator 1081 */ 1082 1083 /* start of volume recognision sequence building */ 1084 context.vds_seq = 0; 1085 1086 /* Create primary volume descriptor */ 1087 if ((error = udf_create_primaryd())) 1088 return error; 1089 1090 /* Create partition descriptor */ 1091 if ((error = udf_create_partitiond(context.data_part, media_accesstype))) 1092 return error; 1093 1094 /* Create unallocated space descriptor */ 1095 if ((error = udf_create_unalloc_spaced())) 1096 return error; 1097 1098 /* Create logical volume descriptor */ 1099 if ((error = udf_create_logical_dscr(format_flags))) 1100 return error; 1101 1102 /* Create implementation use descriptor */ 1103 /* TODO input of fields 1,2,3 and passing them */ 1104 if ((error = udf_create_impvold(NULL, NULL, NULL))) 1105 return error; 1106 1107 /* write out what we've created so far */ 1108 1109 /* writeout iso9660 vrs */ 1110 if ((error = udf_write_iso9660_vrs())) 1111 return error; 1112 1113 /* Writeout anchors */ 1114 for (cnt = 0; cnt < 3; cnt++) { 1115 dscr = (union dscrptr *) context.anchors[cnt]; 1116 loc = layout.anchors[cnt]; 1117 if ((error = udf_write_dscr_phys(dscr, loc, 1))) 1118 return error; 1119 1120 /* sequential media has only one anchor */ 1121 if (format_flags & FORMAT_SEQUENTIAL) 1122 break; 1123 } 1124 1125 /* write out main and secondary VRS */ 1126 for (sectcopy = 1; sectcopy <= 2; sectcopy++) { 1127 loc = (sectcopy == 1) ? layout.vds1 : layout.vds2; 1128 1129 /* primary volume descriptor */ 1130 dscr = (union dscrptr *) context.primary_vol; 1131 error = udf_write_dscr_phys(dscr, loc, 1); 1132 if (error) 1133 return error; 1134 loc++; 1135 1136 /* partition descriptor(s) */ 1137 for (cnt = 0; cnt < UDF_PARTITIONS; cnt++) { 1138 dscr = (union dscrptr *) context.partitions[cnt]; 1139 if (dscr) { 1140 error = udf_write_dscr_phys(dscr, loc, 1); 1141 if (error) 1142 return error; 1143 loc++; 1144 } 1145 } 1146 1147 /* unallocated space descriptor */ 1148 dscr = (union dscrptr *) context.unallocated; 1149 error = udf_write_dscr_phys(dscr, loc, 1); 1150 if (error) 1151 return error; 1152 loc++; 1153 1154 /* logical volume descriptor */ 1155 dscr = (union dscrptr *) context.logical_vol; 1156 error = udf_write_dscr_phys(dscr, loc, 1); 1157 if (error) 1158 return error; 1159 loc++; 1160 1161 /* implementation use descriptor */ 1162 dscr = (union dscrptr *) context.implementation; 1163 error = udf_write_dscr_phys(dscr, loc, 1); 1164 if (error) 1165 return error; 1166 loc++; 1167 1168 /* terminator descriptor */ 1169 error = udf_write_dscr_phys(terminator_dscr, loc, 1); 1170 if (error) 1171 return error; 1172 loc++; 1173 } 1174 1175 /* writeout the two sparable table descriptors (if needed) */ 1176 if (format_flags & FORMAT_SPARABLE) { 1177 for (sectcopy = 1; sectcopy <= 2; sectcopy++) { 1178 loc = (sectcopy == 1) ? layout.spt_1 : layout.spt_2; 1179 dscr = (union dscrptr *) context.sparing_table; 1180 len = layout.sparing_table_dscr_lbas; 1181 1182 /* writeout */ 1183 error = udf_write_dscr_phys(dscr, loc, len); 1184 if (error) 1185 return error; 1186 } 1187 } 1188 1189 /* 1190 * Create unallocated space bitmap descriptor. Sequential recorded 1191 * media report their own free/used space; no free/used space tables 1192 * should be recorded for these. 1193 */ 1194 if ((format_flags & FORMAT_SEQUENTIAL) == 0) { 1195 error = udf_create_space_bitmap( 1196 layout.alloc_bitmap_dscr_size, 1197 layout.part_size_lba, 1198 &context.part_unalloc_bits[data_part]); 1199 if (error) 1200 return error; 1201 /* TODO: freed space bitmap if applicable */ 1202 1203 /* mark space allocated for the unallocated space bitmap */ 1204 udf_mark_allocated(layout.unalloc_space, data_part, 1205 layout.alloc_bitmap_dscr_size); 1206 } 1207 1208 /* 1209 * Create metadata partition file entries and allocate and init their 1210 * space and free space maps. 1211 */ 1212 if (format_flags & FORMAT_META) { 1213 error = udf_create_space_bitmap( 1214 layout.meta_bitmap_dscr_size, 1215 layout.meta_part_size_lba, 1216 &context.part_unalloc_bits[metadata_part]); 1217 if (error) 1218 return error; 1219 1220 error = udf_create_meta_files(); 1221 if (error) 1222 return error; 1223 1224 /* mark space allocated for meta partition and its bitmap */ 1225 udf_mark_allocated(layout.meta_file, data_part, 1); 1226 udf_mark_allocated(layout.meta_mirror, data_part, 1); 1227 udf_mark_allocated(layout.meta_bitmap, data_part, 1); 1228 udf_mark_allocated(layout.meta_part_start_lba, data_part, 1229 layout.meta_part_size_lba); 1230 1231 /* mark space allocated for the unallocated space bitmap */ 1232 udf_mark_allocated(layout.meta_bitmap_space, data_part, 1233 layout.meta_bitmap_dscr_size); 1234 } 1235 1236 /* create logical volume integrity descriptor */ 1237 context.num_files = 0; 1238 context.num_directories = 0; 1239 integrity_type = UDF_INTEGRITY_OPEN; 1240 if ((error = udf_create_lvintd(integrity_type))) 1241 return error; 1242 1243 /* create FSD */ 1244 if ((error = udf_create_fsd())) 1245 return error; 1246 udf_mark_allocated(layout.fsd, metadata_part, 1); 1247 1248 /* create root directory */ 1249 assert(context.unique_id == 0x10); 1250 context.unique_id = 0; 1251 if ((error = udf_create_new_rootdir(&root_dscr))) 1252 return error; 1253 udf_mark_allocated(layout.rootdir, metadata_part, 1); 1254 1255 /* writeout FSD + rootdir */ 1256 dscr = (union dscrptr *) context.fileset_desc; 1257 error = udf_write_dscr_virt(dscr, layout.fsd, metadata_part, 1); 1258 if (error) 1259 return error; 1260 1261 error = udf_write_dscr_virt(root_dscr, layout.rootdir, metadata_part, 1); 1262 if (error) 1263 return error; 1264 1265 /* writeout initial open integrity sequence + terminator */ 1266 loc = layout.lvis; 1267 dscr = (union dscrptr *) context.logvol_integrity; 1268 error = udf_write_dscr_phys(dscr, loc, 1); 1269 if (error) 1270 return error; 1271 loc++; 1272 error = udf_write_dscr_phys(terminator_dscr, loc, 1); 1273 if (error) 1274 return error; 1275 1276 1277 /* XXX the place to add more files */ 1278 1279 1280 if ((format_flags & FORMAT_SEQUENTIAL) == 0) { 1281 /* update lvint and mark it closed */ 1282 udf_update_lvintd(UDF_INTEGRITY_CLOSED); 1283 1284 /* overwrite initial terminator */ 1285 loc = layout.lvis+1; 1286 dscr = (union dscrptr *) context.logvol_integrity; 1287 error = udf_write_dscr_phys(dscr, loc, 1); 1288 if (error) 1289 return error; 1290 loc++; 1291 1292 /* mark end of integrity desciptor sequence again */ 1293 error = udf_write_dscr_phys(terminator_dscr, loc, 1); 1294 if (error) 1295 return error; 1296 } 1297 1298 /* write out unallocated space bitmap on non sequential media */ 1299 if ((format_flags & FORMAT_SEQUENTIAL) == 0) { 1300 /* writeout unallocated space bitmap */ 1301 loc = layout.unalloc_space; 1302 dscr = (union dscrptr *) (context.part_unalloc_bits[data_part]); 1303 len = layout.alloc_bitmap_dscr_size; 1304 error = udf_write_dscr_virt(dscr, loc, data_part, len); 1305 if (error) 1306 return error; 1307 } 1308 1309 if (format_flags & FORMAT_META) { 1310 loc = layout.meta_file; 1311 dscr = (union dscrptr *) context.meta_file; 1312 error = udf_write_dscr_virt(dscr, loc, data_part, 1); 1313 if (error) 1314 return error; 1315 1316 loc = layout.meta_mirror; 1317 dscr = (union dscrptr *) context.meta_mirror; 1318 error = udf_write_dscr_virt(dscr, loc, data_part, 1); 1319 if (error) 1320 return error; 1321 1322 loc = layout.meta_bitmap; 1323 dscr = (union dscrptr *) context.meta_bitmap; 1324 error = udf_write_dscr_virt(dscr, loc, data_part, 1); 1325 if (error) 1326 return error; 1327 1328 /* writeout unallocated space bitmap */ 1329 loc = layout.meta_bitmap_space; 1330 dscr = (union dscrptr *) (context.part_unalloc_bits[metadata_part]); 1331 len = layout.meta_bitmap_dscr_size; 1332 error = udf_write_dscr_virt(dscr, loc, data_part, len); 1333 if (error) 1334 return error; 1335 } 1336 1337 /* create a VAT and account for FSD+root */ 1338 vat_dscr = NULL; 1339 if (format_flags & FORMAT_VAT) { 1340 /* update lvint to reflect the newest values (no writeout) */ 1341 udf_update_lvintd(UDF_INTEGRITY_CLOSED); 1342 1343 error = udf_create_new_VAT(&vat_dscr); 1344 if (error) 1345 return error; 1346 1347 loc = layout.vat; 1348 error = udf_write_dscr_virt(vat_dscr, loc, metadata_part, 1); 1349 if (error) 1350 return error; 1351 } 1352 1353 /* write out sectors */ 1354 if ((error = writeout_write_queue())) 1355 return error; 1356 1357 /* done */ 1358 return 0; 1359 } 1360 1361 /* --------------------------------------------------------------------- */ 1362 1363 /* version can be specified as 0xabc or a.bc */ 1364 static int 1365 parse_udfversion(const char *pos, uint32_t *version) { 1366 int hex = 0; 1367 char c1, c2, c3, c4; 1368 1369 *version = 0; 1370 if (*pos == '0') { 1371 pos++; 1372 /* expect hex format */ 1373 hex = 1; 1374 if (*pos++ != 'x') 1375 return 1; 1376 } 1377 1378 c1 = *pos++; 1379 if (c1 < '0' || c1 > '9') 1380 return 1; 1381 c1 -= '0'; 1382 1383 c2 = *pos++; 1384 if (!hex) { 1385 if (c2 != '.') 1386 return 1; 1387 c2 = *pos++; 1388 } 1389 if (c2 < '0' || c2 > '9') 1390 return 1; 1391 c2 -= '0'; 1392 1393 c3 = *pos++; 1394 if (c3 < '0' || c3 > '9') 1395 return 1; 1396 c3 -= '0'; 1397 1398 c4 = *pos++; 1399 if (c4 != 0) 1400 return 1; 1401 1402 *version = c1 * 0x100 + c2 * 0x10 + c3; 1403 return 0; 1404 } 1405 1406 1407 static int 1408 a_udf_version(const char *s, const char *id_type) 1409 { 1410 uint32_t version; 1411 1412 if (parse_udfversion(s, &version)) 1413 errx(1, "unknown %s id %s; specify as hex or float", id_type, s); 1414 return version; 1415 } 1416 1417 /* --------------------------------------------------------------------- */ 1418 1419 static void 1420 usage(void) 1421 { 1422 (void)fprintf(stderr, "Usage: %s [-cFM] [-L loglabel] " 1423 "[-P discid] [-S setlabel] [-s size] [-p perc] " 1424 "[-t gmtoff] [-v min_udf] [-V max_udf] special\n", getprogname()); 1425 exit(EXIT_FAILURE); 1426 } 1427 1428 1429 int 1430 main(int argc, char **argv) 1431 { 1432 struct tm *tm; 1433 struct stat st; 1434 time_t now; 1435 char scrap[255]; 1436 int ch, req_enable, req_disable, force; 1437 int error; 1438 1439 setprogname(argv[0]); 1440 1441 /* initialise */ 1442 format_str = strdup(""); 1443 req_enable = req_disable = 0; 1444 format_flags = FORMAT_INVALID; 1445 force = 0; 1446 check_surface = 0; 1447 1448 srandom((unsigned long) time(NULL)); 1449 udf_init_create_context(); 1450 context.app_name = APP_NAME; 1451 context.impl_name = IMPL_NAME; 1452 context.app_version_main = APP_VERSION_MAIN; 1453 context.app_version_sub = APP_VERSION_SUB; 1454 1455 /* minimum and maximum UDF versions we advise */ 1456 context.min_udf = 0x201; 1457 context.max_udf = 0x201; 1458 1459 /* use user's time zone as default */ 1460 (void)time(&now); 1461 tm = localtime(&now); 1462 context.gmtoff = tm->tm_gmtoff; 1463 1464 /* process options */ 1465 while ((ch = getopt(argc, argv, "cFL:Mp:P:s:S:t:v:V:")) != -1) { 1466 switch (ch) { 1467 case 'c' : 1468 check_surface = 1; 1469 break; 1470 case 'F' : 1471 force = 1; 1472 break; 1473 case 'L' : 1474 if (context.logvol_name) free(context.logvol_name); 1475 context.logvol_name = strdup(optarg); 1476 break; 1477 case 'M' : 1478 req_disable |= FORMAT_META; 1479 break; 1480 case 'p' : 1481 meta_perc = a_num(optarg, "meta_perc"); 1482 /* limit to `sensible` values */ 1483 meta_perc = MIN(meta_perc, 99); 1484 meta_perc = MAX(meta_perc, 1); 1485 meta_fract = (float) meta_perc/100.0; 1486 break; 1487 case 'v' : 1488 context.min_udf = a_udf_version(optarg, "min_udf"); 1489 if (context.min_udf > context.max_udf) 1490 context.max_udf = context.min_udf; 1491 break; 1492 case 'V' : 1493 context.max_udf = a_udf_version(optarg, "max_udf"); 1494 if (context.min_udf > context.max_udf) 1495 context.min_udf = context.max_udf; 1496 break; 1497 case 'P' : 1498 context.primary_name = strdup(optarg); 1499 break; 1500 case 's' : 1501 /* TODO size argument; recordable emulation */ 1502 break; 1503 case 'S' : 1504 if (context.volset_name) free(context.volset_name); 1505 context.volset_name = strdup(optarg); 1506 break; 1507 case 't' : 1508 /* time zone overide */ 1509 context.gmtoff = a_num(optarg, "gmtoff"); 1510 break; 1511 default : 1512 usage(); 1513 /* NOTREACHED */ 1514 } 1515 } 1516 1517 if (optind + 1 != argc) 1518 usage(); 1519 1520 /* get device and directory specifier */ 1521 dev = argv[optind]; 1522 1523 /* open device */ 1524 if ((fd = open(dev, O_RDWR, 0)) == -1) { 1525 perror("can't open device"); 1526 return EXIT_FAILURE; 1527 } 1528 1529 /* stat the device */ 1530 if (fstat(fd, &st) != 0) { 1531 perror("can't stat the device"); 1532 close(fd); 1533 return EXIT_FAILURE; 1534 } 1535 1536 /* Formatting can only be done on raw devices */ 1537 if (!S_ISCHR(st.st_mode)) { 1538 printf("%s is not a raw device\n", dev); 1539 close(fd); 1540 return EXIT_FAILURE; 1541 } 1542 1543 /* just in case something went wrong, synchronise the drive's cache */ 1544 udf_synchronise_caches(); 1545 1546 /* get disc information */ 1547 error = udf_update_discinfo(&mmc_discinfo); 1548 if (error) { 1549 perror("can't retrieve discinfo"); 1550 close(fd); 1551 return EXIT_FAILURE; 1552 } 1553 1554 /* derive disc identifiers when not specified and check given */ 1555 error = udf_proces_names(); 1556 if (error) { 1557 /* error message has been printed */ 1558 close(fd); 1559 return EXIT_FAILURE; 1560 } 1561 1562 /* derive newfs disc format from disc profile */ 1563 error = udf_derive_format(req_enable, req_disable, force); 1564 if (error) { 1565 /* error message has been printed */ 1566 close(fd); 1567 return EXIT_FAILURE; 1568 } 1569 1570 udf_dump_discinfo(&mmc_discinfo); 1571 printf("Formatting disc compatible with UDF version %x to %x\n\n", 1572 context.min_udf, context.max_udf); 1573 (void)snprintb(scrap, sizeof(scrap), FORMAT_FLAGBITS, 1574 (uint64_t) format_flags); 1575 printf("UDF properties %s\n", scrap); 1576 printf("Volume set `%s'\n", context.volset_name); 1577 printf("Primary volume `%s`\n", context.primary_name); 1578 printf("Logical volume `%s`\n", context.logvol_name); 1579 if (format_flags & FORMAT_META) 1580 printf("Metadata percentage %d %%\n", meta_perc); 1581 printf("\n"); 1582 1583 /* prepare disc if nessisary (recordables mainly) */ 1584 error = udf_prepare_disc(); 1585 if (error) { 1586 perror("preparing disc failed"); 1587 close(fd); 1588 return EXIT_FAILURE; 1589 }; 1590 1591 /* set up administration */ 1592 error = udf_do_newfs(); 1593 1594 /* in any case, synchronise the drive's cache to prevent lockups */ 1595 udf_synchronise_caches(); 1596 1597 close(fd); 1598 if (error) 1599 return EXIT_FAILURE; 1600 1601 return EXIT_SUCCESS; 1602 } 1603 1604 /* --------------------------------------------------------------------- */ 1605 1606
Indexes created Tue Oct 14 11:09:46 GMT 2025