disks.c revision 57617
1/* 2 * The new sysinstall program. 3 * 4 * This is probably the last program in the `sysinstall' line - the next 5 * generation being essentially a complete rewrite. 6 * 7 * $FreeBSD: head/usr.sbin/sade/disks.c 57617 2000-02-29 10:40:59Z jkh $ 8 * 9 * Copyright (c) 1995 10 * Jordan Hubbard. All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer, 17 * verbatim and that no modifications are made prior to this 18 * point in the file. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37#include "sysinstall.h" 38#include <ctype.h> 39#include <fcntl.h> 40#include <sys/stat.h> 41#include <sys/disklabel.h> 42 43/* Where we start displaying chunk information on the screen */ 44#define CHUNK_START_ROW 5 45 46/* Where we keep track of MBR chunks */ 47static struct chunk *chunk_info[16]; 48static int current_chunk; 49 50static void diskPartitionNonInteractive(Device *dev); 51 52static void 53record_chunks(Disk *d) 54{ 55 struct chunk *c1 = NULL; 56 int i = 0; 57 int last_free = 0; 58 59 if (!d->chunks) 60 msgFatal("No chunk list found for %s!", d->name); 61 62 for (c1 = d->chunks->part; c1; c1 = c1->next) { 63 if (c1->type == unused && c1->size > last_free) { 64 last_free = c1->size; 65 current_chunk = i; 66 } 67 chunk_info[i++] = c1; 68 } 69 chunk_info[i] = NULL; 70 if (current_chunk >= i) 71 current_chunk = i - 1; 72} 73 74static int Total; 75 76static void 77print_chunks(Disk *d) 78{ 79 int row; 80 int i; 81 82 for (i = Total = 0; chunk_info[i]; i++) 83 Total += chunk_info[i]->size; 84 if (d->bios_cyl > 65536 || d->bios_hd > 256 || d->bios_sect >= 64) { 85 dialog_clear_norefresh(); 86 msgConfirm("WARNING: A geometry of %d/%d/%d for %s is incorrect. Using\n" 87 "a more likely geometry. If this geometry is incorrect or you\n" 88 "are unsure as to whether or not it's correct, please consult\n" 89 "the Hardware Guide in the Documentation submenu or use the\n" 90 "(G)eometry command to change it now.\n\n" 91 "Remember: you need to enter whatever your BIOS thinks the\n" 92 "geometry is! For IDE, it's what you were told in the BIOS\n" 93 "setup. For SCSI, it's the translation mode your controller is\n" 94 "using. Do NOT use a ``physical geometry''.", 95 d->bios_cyl, d->bios_hd, d->bios_sect, d->name); 96 Sanitize_Bios_Geom(d); 97 } 98 attrset(A_NORMAL); 99 mvaddstr(0, 0, "Disk name:\t"); 100 clrtobot(); 101 attrset(A_REVERSE); addstr(d->name); attrset(A_NORMAL); 102 attrset(A_REVERSE); mvaddstr(0, 55, "FDISK Partition Editor"); attrset(A_NORMAL); 103 mvprintw(1, 0, 104 "DISK Geometry:\t%lu cyls/%lu heads/%lu sectors = %lu sectors", 105 d->bios_cyl, d->bios_hd, d->bios_sect, 106 d->bios_cyl * d->bios_hd * d->bios_sect); 107 mvprintw(3, 0, "%10s %10s %10s %8s %6s %10s %8s %8s", 108 "Offset", "Size", "End", "Name", "PType", "Desc", 109 "Subtype", "Flags"); 110 for (i = 0, row = CHUNK_START_ROW; chunk_info[i]; i++, row++) { 111 if (i == current_chunk) 112 attrset(ATTR_SELECTED); 113 mvprintw(row, 0, "%10ld %10lu %10lu %8s %6d %10s %8d\t%-6s", 114 chunk_info[i]->offset, chunk_info[i]->size, 115 chunk_info[i]->end, chunk_info[i]->name, 116 chunk_info[i]->type, 117 slice_type_name(chunk_info[i]->type, chunk_info[i]->subtype), 118 chunk_info[i]->subtype, ShowChunkFlags(chunk_info[i])); 119 if (i == current_chunk) 120 attrset(A_NORMAL); 121 } 122} 123 124static void 125print_command_summary() 126{ 127 mvprintw(14, 0, "The following commands are supported (in upper or lower case):"); 128 mvprintw(16, 0, "A = Use Entire Disk C = Create Slice"); 129 mvprintw(17, 0, "D = Delete Slice G = Set Drive Geometry S = Set Bootable"); 130 mvprintw(18, 0, "T = Change Type U = Undo All Changes Q = Finish"); 131 if (!RunningAsInit) 132 mvprintw(18, 48, "W = Write Changes"); 133 mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to select."); 134 move(0, 0); 135} 136 137static u_char * 138getBootMgr(char *dname) 139{ 140#ifndef __alpha__ /* only meaningful on x86 */ 141 extern u_char mbr[], boot0[]; 142 char str[80]; 143 char *cp; 144 int i = 0; 145 146 cp = variable_get(VAR_BOOTMGR); 147 if (!cp) { 148 /* Figure out what kind of MBR the user wants */ 149 sprintf(str, "Install Boot Manager for drive %s?", dname); 150 MenuMBRType.title = str; 151 i = dmenuOpenSimple(&MenuMBRType, FALSE); 152 } 153 else { 154 if (!strncmp(cp, "boot", 4)) 155 BootMgr = 0; 156 else if (!strcmp(cp, "standard")) 157 BootMgr = 1; 158 else 159 BootMgr = 2; 160 } 161 if (cp || i) { 162 switch (BootMgr) { 163 case 0: 164 return boot0; 165 166 case 1: 167 return mbr; 168 169 case 2: 170 default: 171 break; 172 } 173 } 174#endif 175 return NULL; 176} 177 178int 179diskGetSelectCount(Device ***devs) 180{ 181 int i, cnt, enabled; 182 char *cp; 183 Device **dp; 184 185 cp = variable_get(VAR_DISK); 186 dp = *devs = deviceFind(cp, DEVICE_TYPE_DISK); 187 cnt = deviceCount(dp); 188 if (!cnt) 189 return -1; 190 for (i = 0, enabled = 0; i < cnt; i++) { 191 if (dp[i]->enabled) 192 ++enabled; 193 } 194 return enabled; 195} 196 197void 198diskPartition(Device *dev) 199{ 200 char *cp, *p; 201 int rv, key = 0; 202 Boolean chunking; 203 char *msg = NULL; 204 u_char *mbrContents; 205 WINDOW *w = savescr(); 206 Disk *d = (Disk *)dev->private; 207 208 chunking = TRUE; 209 keypad(stdscr, TRUE); 210 211 /* Flush both the dialog and curses library views of the screen 212 since we don't always know who called us */ 213 dialog_clear_norefresh(), clear(); 214 current_chunk = 0; 215 216 /* Set up the chunk array */ 217 record_chunks(d); 218 219 while (chunking) { 220 char *val, geometry[80]; 221 222 /* Now print our overall state */ 223 if (d) 224 print_chunks(d); 225 print_command_summary(); 226 if (msg) { 227 attrset(title_attr); mvprintw(23, 0, msg); attrset(A_NORMAL); 228 beep(); 229 msg = NULL; 230 } 231 else { 232 move(23, 0); 233 clrtoeol(); 234 } 235 236 /* Get command character */ 237 key = getch(); 238 switch (toupper(key)) { 239 case '\014': /* ^L (redraw) */ 240 clear(); 241 msg = NULL; 242 break; 243 244 case '\020': /* ^P */ 245 case KEY_UP: 246 case '-': 247 if (current_chunk != 0) 248 --current_chunk; 249 break; 250 251 case '\016': /* ^N */ 252 case KEY_DOWN: 253 case '+': 254 case '\r': 255 case '\n': 256 if (chunk_info[current_chunk + 1]) 257 ++current_chunk; 258 break; 259 260 case KEY_HOME: 261 current_chunk = 0; 262 break; 263 264 case KEY_END: 265 while (chunk_info[current_chunk + 1]) 266 ++current_chunk; 267 break; 268 269 case KEY_F(1): 270 case '?': 271 systemDisplayHelp("slice"); 272 clear(); 273 break; 274 275 case 'A': 276#ifdef __alpha__ 277 rv = 1; 278#else /* The rest is only relevant on x86 */ 279 cp = variable_get(VAR_DEDICATE_DISK); 280 if (cp && !strcasecmp(cp, "always")) 281 rv = 1; 282 else { 283 rv = msgYesNo("Do you want to do this with a true partition entry\n" 284 "so as to remain cooperative with any future possible\n" 285 "operating systems on the drive(s)?\n" 286 "(See also the section about ``dangerously dedicated''\n" 287 "disks in the FreeBSD FAQ.)"); 288 if (rv == -1) 289 rv = 0; 290 } 291#endif 292 All_FreeBSD(d, rv); 293 variable_set2(DISK_PARTITIONED, "yes", 0); 294 record_chunks(d); 295 clear(); 296 break; 297 298 case 'C': 299 if (chunk_info[current_chunk]->type != unused) 300 msg = "Slice in use, delete it first or move to an unused one."; 301 else { 302 char *val, tmp[20], *cp; 303 int size, subtype; 304 chunk_e partitiontype; 305 306 snprintf(tmp, 20, "%lu", chunk_info[current_chunk]->size); 307 val = msgGetInput(tmp, "Please specify the size for new FreeBSD slice in blocks\n" 308 "or append a trailing `M' for megabytes (e.g. 20M)."); 309 if (val && (size = strtol(val, &cp, 0)) > 0) { 310 if (*cp && toupper(*cp) == 'M') 311 size *= ONE_MEG; 312 else if (*cp && toupper(*cp) == 'G') 313 size *= ONE_GIG; 314 strcpy(tmp, "165"); 315 val = msgGetInput(tmp, "Enter type of partition to create:\n\n" 316 "Pressing Enter will choose the default, a native FreeBSD\n" 317 "slice (type 165). You can choose other types, 6 for a\n" 318 "DOS partition or 131 for a Linux partition, for example.\n\n" 319 "Note: If you choose a non-FreeBSD partition type, it will not\n" 320 "be formatted or otherwise prepared, it will simply reserve space\n" 321 "for you to use another tool, such as DOS FORMAT, to later format\n" 322 "and use the partition."); 323 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 324 if (subtype == 165) 325 partitiontype = freebsd; 326 else if (subtype == 6) 327 partitiontype = fat; 328 else 329 partitiontype = unknown; 330#ifdef __alpha__ 331 if (partitiontype == freebsd && size == chunk_info[current_chunk]->size) 332 All_FreeBSD(d, 1); 333 else 334#endif 335 Create_Chunk(d, chunk_info[current_chunk]->offset, size, partitiontype, subtype, 336 (chunk_info[current_chunk]->flags & CHUNK_ALIGN)); 337 variable_set2(DISK_PARTITIONED, "yes", 0); 338 record_chunks(d); 339 } 340 } 341 clear(); 342 } 343 break; 344 345 case KEY_DC: 346 case 'D': 347 if (chunk_info[current_chunk]->type == unused) 348 msg = "Slice is already unused!"; 349 else { 350 Delete_Chunk(d, chunk_info[current_chunk]); 351 variable_set2(DISK_PARTITIONED, "yes", 0); 352 record_chunks(d); 353 } 354 break; 355 356 case 'T': 357 if (chunk_info[current_chunk]->type == unused) 358 msg = "Slice is currently unused (use create instead)"; 359 else { 360 char *val, tmp[20]; 361 int subtype; 362 chunk_e partitiontype; 363 364 strcpy(tmp, "165"); 365 val = msgGetInput(tmp, "New partition type:\n\n" 366 "Pressing Enter will choose the default, a native FreeBSD\n" 367 "slice (type 165). Other popular values are 6 for\n" 368 "DOS FAT partition, 131 for a Linux ext2fs partition or\n" 369 "130 for a Linux swap partition.\n\n" 370 "Note: If you choose a non-FreeBSD partition type, it will not\n" 371 "be formatted or otherwise prepared, it will simply reserve space\n" 372 "for you to use another tool, such as DOS format, to later format\n" 373 "and actually use the partition."); 374 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 375 if (subtype == 165) 376 partitiontype = freebsd; 377 else if (subtype == 6) 378 partitiontype = fat; 379 else 380 partitiontype = unknown; 381 chunk_info[current_chunk]->type = partitiontype; 382 chunk_info[current_chunk]->subtype = subtype; 383 } 384 } 385 break; 386 387 case 'G': 388 snprintf(geometry, 80, "%lu/%lu/%lu", d->bios_cyl, d->bios_hd, d->bios_sect); 389 val = msgGetInput(geometry, "Please specify the new geometry in cyl/hd/sect format.\n" 390 "Don't forget to use the two slash (/) separator characters!\n" 391 "It's not possible to parse the field without them."); 392 if (val) { 393 long nc, nh, ns; 394 nc = strtol(val, &val, 0); 395 nh = strtol(val + 1, &val, 0); 396 ns = strtol(val + 1, 0, 0); 397 Set_Bios_Geom(d, nc, nh, ns); 398 } 399 clear(); 400 break; 401 402 case 'S': 403 /* Set Bootable */ 404 chunk_info[current_chunk]->flags |= CHUNK_ACTIVE; 405 break; 406 407 case 'U': 408 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 409 msgConfirm("You've already written this information out - you\n" 410 "can't undo it."); 411 } 412 else if (!msgYesNo("Are you SURE you want to Undo everything?")) { 413 char cp[BUFSIZ]; 414 415 sstrncpy(cp, d->name, sizeof cp); 416 Free_Disk(dev->private); 417 d = Open_Disk(cp); 418 if (!d) 419 msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", cp); 420 dev->private = d; 421 variable_unset(DISK_PARTITIONED); 422 variable_unset(DISK_LABELLED); 423 if (d) 424 record_chunks(d); 425 } 426 clear(); 427 break; 428 429 case 'W': 430 if (!msgYesNo("WARNING: This should only be used when modifying an EXISTING\n" 431 "installation. If you are installing FreeBSD for the first time\n" 432 "then you should simply type Q when you're finished here and your\n" 433 "changes will be committed in one batch automatically at the end of\n" 434 "these questions. If you're adding a disk, you should NOT write\n" 435 "from this screen, you should do it from the label editor.\n\n" 436 "Are you absolutely sure you want to do this now?")) { 437 variable_set2(DISK_PARTITIONED, "yes", 0); 438 439 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 440 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 441 * booteasy or a "standard" MBR -- both would be fatal in this case. 442 */ 443 /* 444 * Don't offer to update the MBR on this disk if the first "real" chunk looks like 445 * a FreeBSD "all disk" partition, or the disk is entirely FreeBSD. 446 */ 447 if (((d->chunks->part->type != freebsd) || (d->chunks->part->offset > 1))) 448 mbrContents = getBootMgr(d->name); 449 else 450 mbrContents = NULL; 451 Set_Boot_Mgr(d, mbrContents); 452 453 if (DITEM_STATUS(diskPartitionWrite(NULL)) != DITEM_SUCCESS) 454 msgConfirm("Disk partition write returned an error status!"); 455 else 456 msgConfirm("Wrote FDISK partition information out successfully."); 457 } 458 clear(); 459 break; 460 461 case '|': 462 if (!msgYesNo("Are you SURE you want to go into Wizard mode?\n" 463 "No seat belts whatsoever are provided!")) { 464 clear(); 465 refresh(); 466 slice_wizard(d); 467 variable_set2(DISK_PARTITIONED, "yes", 0); 468 record_chunks(d); 469 } 470 else 471 msg = "Wise choice!"; 472 clear(); 473 break; 474 475 case '\033': /* ESC */ 476 case 'Q': 477 chunking = FALSE; 478 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 479 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 480 * booteasy or a "standard" MBR -- both would be fatal in this case. 481 */ 482#if 0 483 if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL 484 && (mbrContents = getBootMgr(d->name)) != NULL) 485 Set_Boot_Mgr(d, mbrContents); 486#else 487 /* 488 * Don't offer to update the MBR on this disk if the first "real" chunk looks like 489 * a FreeBSD "all disk" partition, or the disk is entirely FreeBSD. 490 */ 491 if (((d->chunks->part->type != freebsd) || (d->chunks->part->offset > 1)) && 492 (mbrContents = getBootMgr(d->name)) != NULL) 493 Set_Boot_Mgr(d, mbrContents); 494#endif 495 break; 496 497 default: 498 beep(); 499 msg = "Type F1 or ? for help"; 500 break; 501 } 502 } 503 p = CheckRules(d); 504 if (p) { 505 char buf[FILENAME_MAX]; 506 507 use_helpline("Press F1 to read more about disk slices."); 508 use_helpfile(systemHelpFile("partition", buf)); 509 if (!variable_get(VAR_NO_WARN)) 510 dialog_mesgbox("Disk slicing warning:", p, -1, -1); 511 free(p); 512 } 513 restorescr(w); 514} 515 516static u_char * 517bootalloc(char *name) 518{ 519 char buf[FILENAME_MAX]; 520 struct stat sb; 521 522 snprintf(buf, sizeof buf, "/boot/%s", name); 523 if (stat(buf, &sb) != -1) { 524 int fd; 525 526 fd = open(buf, O_RDONLY); 527 if (fd != -1) { 528 u_char *cp; 529 530 cp = malloc(sb.st_size); 531 if (read(fd, cp, sb.st_size) != sb.st_size) { 532 free(cp); 533 close(fd); 534 msgDebug("bootalloc: couldn't read %d bytes from %s\n", sb.st_size, buf); 535 return NULL; 536 } 537 close(fd); 538 return cp; 539 } 540 msgDebug("bootalloc: couldn't open %s\n", buf); 541 } 542 else 543 msgDebug("bootalloc: can't stat %s\n", buf); 544 return NULL; 545} 546 547static int 548partitionHook(dialogMenuItem *selected) 549{ 550 Device **devs = NULL; 551 552 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 553 if (!devs) { 554 msgConfirm("Unable to find disk %s!", selected->prompt); 555 return DITEM_FAILURE; 556 } 557 /* Toggle enabled status? */ 558 if (!devs[0]->enabled) { 559 devs[0]->enabled = TRUE; 560 diskPartition(devs[0]); 561 } 562 else 563 devs[0]->enabled = FALSE; 564 return DITEM_SUCCESS; 565} 566 567static int 568partitionCheck(dialogMenuItem *selected) 569{ 570 Device **devs = NULL; 571 572 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 573 if (!devs || devs[0]->enabled == FALSE) 574 return FALSE; 575 return TRUE; 576} 577 578int 579diskPartitionEditor(dialogMenuItem *self) 580{ 581 DMenu *menu; 582 Device **devs; 583 int i, cnt, devcnt; 584 585 cnt = diskGetSelectCount(&devs); 586 devcnt = deviceCount(devs); 587 if (cnt == -1) { 588 msgConfirm("No disks found! Please verify that your disk controller is being\n" 589 "properly probed at boot time. See the Hardware Guide on the\n" 590 "Documentation menu for clues on diagnosing this type of problem."); 591 return DITEM_FAILURE; 592 } 593 else if (cnt) { 594 /* Some are already selected */ 595 for (i = 0; i < devcnt; i++) { 596 if (devs[i]->enabled) { 597 if (variable_get(VAR_NONINTERACTIVE)) 598 diskPartitionNonInteractive(devs[i]); 599 else 600 diskPartition(devs[i]); 601 } 602 } 603 } 604 else { 605 /* No disks are selected, fall-back case now */ 606 if (devcnt == 1) { 607 devs[0]->enabled = TRUE; 608 if (variable_get(VAR_NONINTERACTIVE)) 609 diskPartitionNonInteractive(devs[0]); 610 else 611 diskPartition(devs[0]); 612 return DITEM_SUCCESS; 613 } 614 else { 615 menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook, partitionCheck); 616 if (!menu) { 617 msgConfirm("No devices suitable for installation found!\n\n" 618 "Please verify that your disk controller (and attached drives)\n" 619 "were detected properly. This can be done by pressing the\n" 620 "[Scroll Lock] key and using the Arrow keys to move back to\n" 621 "the boot messages. Press [Scroll Lock] again to return."); 622 return DITEM_FAILURE; 623 } 624 else { 625 i = dmenuOpenSimple(menu, FALSE) ? DITEM_SUCCESS : DITEM_FAILURE; 626 free(menu); 627 } 628 return i; 629 } 630 } 631 return DITEM_SUCCESS; 632} 633 634int 635diskPartitionWrite(dialogMenuItem *self) 636{ 637 Device **devs; 638 int i; 639 char *cp; 640 641 devs = deviceFind(NULL, DEVICE_TYPE_DISK); 642 if (!devs) { 643 msgConfirm("Unable to find any disks to write to??"); 644 return DITEM_FAILURE; 645 } 646 if (isDebug()) 647 msgDebug("diskPartitionWrite: Examining %d devices\n", deviceCount(devs)); 648 cp = variable_get(DISK_PARTITIONED); 649 if (cp && !strcmp(cp, "written")) 650 return DITEM_SUCCESS; 651 652 for (i = 0; devs[i]; i++) { 653 Disk *d = (Disk *)devs[i]->private; 654 static u_char *boot1; 655#ifndef __alpha__ 656 static u_char *boot2; 657#endif 658 659 if (!devs[i]->enabled) 660 continue; 661 662#ifdef __alpha__ 663 if (!boot1) boot1 = bootalloc("boot1"); 664 Set_Boot_Blocks(d, boot1, NULL); 665#else 666 if (!boot1) boot1 = bootalloc("boot1"); 667 if (!boot2) boot2 = bootalloc("boot2"); 668 Set_Boot_Blocks(d, boot1, boot2); 669#endif 670 671 msgNotify("Writing partition information to drive %s", d->name); 672 if (!Fake && Write_Disk(d)) { 673 msgConfirm("ERROR: Unable to write data to disk %s!", d->name); 674 return DITEM_FAILURE; 675 } 676 677 /* If we've been through here before, we don't need to do the rest */ 678 if (cp && !strcmp(cp, "written")) 679 return DITEM_SUCCESS; 680 } 681 /* Now it's not "yes", but "written" */ 682 variable_set2(DISK_PARTITIONED, "written", 0); 683 return DITEM_SUCCESS | DITEM_RESTORE; 684} 685 686/* Partition a disk based wholly on which variables are set */ 687static void 688diskPartitionNonInteractive(Device *dev) 689{ 690 char *cp; 691 int i, sz, all_disk = 0; 692 u_char *mbrContents; 693 Disk *d = (Disk *)dev->private; 694 695 record_chunks(d); 696 cp = variable_get(VAR_GEOMETRY); 697 if (cp) { 698 msgDebug("Setting geometry from script to: %s\n", cp); 699 d->bios_cyl = strtol(cp, &cp, 0); 700 d->bios_hd = strtol(cp + 1, &cp, 0); 701 d->bios_sect = strtol(cp + 1, 0, 0); 702 } 703 704 cp = variable_get(VAR_PARTITION); 705 if (cp) { 706 if (!strcmp(cp, "free")) { 707 /* Do free disk space case */ 708 for (i = 0; chunk_info[i]; i++) { 709 /* If a chunk is at least 10MB in size, use it. */ 710 if (chunk_info[i]->type == unused && chunk_info[i]->size > (10 * ONE_MEG)) { 711 Create_Chunk(d, chunk_info[i]->offset, chunk_info[i]->size, freebsd, 3, 712 (chunk_info[i]->flags & CHUNK_ALIGN)); 713 variable_set2(DISK_PARTITIONED, "yes", 0); 714 break; 715 } 716 } 717 if (!chunk_info[i]) { 718 msgConfirm("Unable to find any free space on this disk!"); 719 return; 720 } 721 } 722 else if (!strcmp(cp, "all")) { 723 /* Do all disk space case */ 724 msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name); 725 726 All_FreeBSD(d, FALSE); 727 } 728 else if (!strcmp(cp, "exclusive")) { 729 /* Do really-all-the-disk-space case */ 730 msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name); 731 732 All_FreeBSD(d, all_disk = TRUE); 733 } 734 else if ((sz = strtol(cp, &cp, 0))) { 735 /* Look for sz bytes free */ 736 if (*cp && toupper(*cp) == 'M') 737 sz *= ONE_MEG; 738 else if (*cp && toupper(*cp) == 'G') 739 sz *= ONE_GIG; 740 for (i = 0; chunk_info[i]; i++) { 741 /* If a chunk is at least sz MB, use it. */ 742 if (chunk_info[i]->type == unused && chunk_info[i]->size >= sz) { 743 Create_Chunk(d, chunk_info[i]->offset, sz, freebsd, 3, (chunk_info[i]->flags & CHUNK_ALIGN)); 744 variable_set2(DISK_PARTITIONED, "yes", 0); 745 break; 746 } 747 } 748 if (!chunk_info[i]) { 749 msgConfirm("Unable to find %d free blocks on this disk!", sz); 750 return; 751 } 752 } 753 else if (!strcmp(cp, "existing")) { 754 /* Do existing FreeBSD case */ 755 for (i = 0; chunk_info[i]; i++) { 756 if (chunk_info[i]->type == freebsd) 757 break; 758 } 759 if (!chunk_info[i]) { 760 msgConfirm("Unable to find any existing FreeBSD partitions on this disk!"); 761 return; 762 } 763 } 764 else { 765 msgConfirm("`%s' is an invalid value for %s - is config file valid?", cp, VAR_PARTITION); 766 return; 767 } 768 if (!all_disk) { 769 mbrContents = getBootMgr(d->name); 770 Set_Boot_Mgr(d, mbrContents); 771 } 772 variable_set2(DISK_PARTITIONED, "yes", 0); 773 } 774} 775