disks.c revision 54587
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 54587 1999-12-14 04:25:29Z 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 strcpy(tmp, "165"); 313 val = msgGetInput(tmp, "Enter type of partition to create:\n\n" 314 "Pressing Enter will choose the default, a native FreeBSD\n" 315 "slice (type 165). You can choose other types, 6 for a\n" 316 "DOS partition or 131 for a Linux partition, for example.\n\n" 317 "Note: If you choose a non-FreeBSD partition type, it will not\n" 318 "be formatted or otherwise prepared, it will simply reserve space\n" 319 "for you to use another tool, such as DOS FORMAT, to later format\n" 320 "and use the partition."); 321 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 322 if (subtype == 165) 323 partitiontype = freebsd; 324 else if (subtype == 6) 325 partitiontype = fat; 326 else 327 partitiontype = unknown; 328#ifdef __alpha__ 329 if (partitiontype == freebsd && size == chunk_info[current_chunk]->size) 330 All_FreeBSD(d, 1); 331 else 332#endif 333 Create_Chunk(d, chunk_info[current_chunk]->offset, size, partitiontype, subtype, 334 (chunk_info[current_chunk]->flags & CHUNK_ALIGN)); 335 variable_set2(DISK_PARTITIONED, "yes", 0); 336 record_chunks(d); 337 } 338 } 339 clear(); 340 } 341 break; 342 343 case KEY_DC: 344 case 'D': 345 if (chunk_info[current_chunk]->type == unused) 346 msg = "Slice is already unused!"; 347 else { 348 Delete_Chunk(d, chunk_info[current_chunk]); 349 variable_set2(DISK_PARTITIONED, "yes", 0); 350 record_chunks(d); 351 } 352 break; 353 354 case 'T': 355 if (chunk_info[current_chunk]->type == unused) 356 msg = "Slice is currently unused (use create instead)"; 357 else { 358 char *val, tmp[20]; 359 int subtype; 360 chunk_e partitiontype; 361 362 strcpy(tmp, "165"); 363 val = msgGetInput(tmp, "New partition type:\n\n" 364 "Pressing Enter will choose the default, a native FreeBSD\n" 365 "slice (type 165). Other popular values are 6 for\n" 366 "DOS FAT partition, 131 for a Linux ext2fs partition or\n" 367 "130 for a Linux swap partition.\n\n" 368 "Note: If you choose a non-FreeBSD partition type, it will not\n" 369 "be formatted or otherwise prepared, it will simply reserve space\n" 370 "for you to use another tool, such as DOS format, to later format\n" 371 "and actually use the partition."); 372 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 373 if (subtype == 165) 374 partitiontype = freebsd; 375 else if (subtype == 6) 376 partitiontype = fat; 377 else 378 partitiontype = unknown; 379 chunk_info[current_chunk]->type = partitiontype; 380 chunk_info[current_chunk]->subtype = subtype; 381 } 382 } 383 break; 384 385 case 'G': 386 snprintf(geometry, 80, "%lu/%lu/%lu", d->bios_cyl, d->bios_hd, d->bios_sect); 387 val = msgGetInput(geometry, "Please specify the new geometry in cyl/hd/sect format.\n" 388 "Don't forget to use the two slash (/) separator characters!\n" 389 "It's not possible to parse the field without them."); 390 if (val) { 391 long nc, nh, ns; 392 nc = strtol(val, &val, 0); 393 nh = strtol(val + 1, &val, 0); 394 ns = strtol(val + 1, 0, 0); 395 Set_Bios_Geom(d, nc, nh, ns); 396 } 397 clear(); 398 break; 399 400 case 'S': 401 /* Set Bootable */ 402 chunk_info[current_chunk]->flags |= CHUNK_ACTIVE; 403 break; 404 405 case 'U': 406 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 407 msgConfirm("You've already written this information out - you\n" 408 "can't undo it."); 409 } 410 else if (!msgYesNo("Are you SURE you want to Undo everything?")) { 411 char cp[BUFSIZ]; 412 413 sstrncpy(cp, d->name, sizeof cp); 414 Free_Disk(dev->private); 415 d = Open_Disk(cp); 416 if (!d) 417 msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", cp); 418 dev->private = d; 419 variable_unset(DISK_PARTITIONED); 420 variable_unset(DISK_LABELLED); 421 if (d) 422 record_chunks(d); 423 } 424 clear(); 425 break; 426 427 case 'W': 428 if (!msgYesNo("WARNING: This should only be used when modifying an EXISTING\n" 429 "installation. If you are installing FreeBSD for the first time\n" 430 "then you should simply type Q when you're finished here and your\n" 431 "changes will be committed in one batch automatically at the end of\n" 432 "these questions. If you're adding a disk, you should NOT write\n" 433 "from this screen, you should do it from the label editor.\n\n" 434 "Are you absolutely sure you want to do this now?")) { 435 variable_set2(DISK_PARTITIONED, "yes", 0); 436 437 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 438 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 439 * booteasy or a "standard" MBR -- both would be fatal in this case. 440 */ 441 /* 442 * Don't offer to update the MBR on this disk if the first "real" chunk looks like 443 * a FreeBSD "all disk" partition, or the disk is entirely FreeBSD. 444 */ 445 if (((d->chunks->part->type != freebsd) || (d->chunks->part->offset > 1))) 446 mbrContents = getBootMgr(d->name); 447 else 448 mbrContents = NULL; 449 Set_Boot_Mgr(d, mbrContents); 450 451 if (DITEM_STATUS(diskPartitionWrite(NULL)) != DITEM_SUCCESS) 452 msgConfirm("Disk partition write returned an error status!"); 453 else 454 msgConfirm("Wrote FDISK partition information out successfully."); 455 } 456 clear(); 457 break; 458 459 case '|': 460 if (!msgYesNo("Are you SURE you want to go into Wizard mode?\n" 461 "No seat belts whatsoever are provided!")) { 462 clear(); 463 refresh(); 464 slice_wizard(d); 465 variable_set2(DISK_PARTITIONED, "yes", 0); 466 record_chunks(d); 467 } 468 else 469 msg = "Wise choice!"; 470 clear(); 471 break; 472 473 case '\033': /* ESC */ 474 case 'Q': 475 chunking = FALSE; 476 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 477 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 478 * booteasy or a "standard" MBR -- both would be fatal in this case. 479 */ 480#if 0 481 if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL 482 && (mbrContents = getBootMgr(d->name)) != NULL) 483 Set_Boot_Mgr(d, mbrContents); 484#else 485 /* 486 * Don't offer to update the MBR on this disk if the first "real" chunk looks like 487 * a FreeBSD "all disk" partition, or the disk is entirely FreeBSD. 488 */ 489 if (((d->chunks->part->type != freebsd) || (d->chunks->part->offset > 1)) && 490 (mbrContents = getBootMgr(d->name)) != NULL) 491 Set_Boot_Mgr(d, mbrContents); 492#endif 493 break; 494 495 default: 496 beep(); 497 msg = "Type F1 or ? for help"; 498 break; 499 } 500 } 501 p = CheckRules(d); 502 if (p) { 503 char buf[FILENAME_MAX]; 504 505 use_helpline("Press F1 to read more about disk slices."); 506 use_helpfile(systemHelpFile("partition", buf)); 507 if (!variable_get(VAR_NO_WARN)) 508 dialog_mesgbox("Disk slicing warning:", p, -1, -1); 509 free(p); 510 } 511 restorescr(w); 512} 513 514static u_char * 515bootalloc(char *name) 516{ 517 char buf[FILENAME_MAX]; 518 struct stat sb; 519 520 snprintf(buf, sizeof buf, "/boot/%s", name); 521 if (stat(buf, &sb) != -1) { 522 int fd; 523 524 fd = open(buf, O_RDONLY); 525 if (fd != -1) { 526 u_char *cp; 527 528 cp = malloc(sb.st_size); 529 if (read(fd, cp, sb.st_size) != sb.st_size) { 530 free(cp); 531 close(fd); 532 msgDebug("bootalloc: couldn't read %d bytes from %s\n", sb.st_size, buf); 533 return NULL; 534 } 535 close(fd); 536 return cp; 537 } 538 msgDebug("bootalloc: couldn't open %s\n", buf); 539 } 540 else 541 msgDebug("bootalloc: can't stat %s\n", buf); 542 return NULL; 543} 544 545static int 546partitionHook(dialogMenuItem *selected) 547{ 548 Device **devs = NULL; 549 550 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 551 if (!devs) { 552 msgConfirm("Unable to find disk %s!", selected->prompt); 553 return DITEM_FAILURE; 554 } 555 /* Toggle enabled status? */ 556 if (!devs[0]->enabled) { 557 devs[0]->enabled = TRUE; 558 diskPartition(devs[0]); 559 } 560 else 561 devs[0]->enabled = FALSE; 562 return DITEM_SUCCESS; 563} 564 565static int 566partitionCheck(dialogMenuItem *selected) 567{ 568 Device **devs = NULL; 569 570 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 571 if (!devs || devs[0]->enabled == FALSE) 572 return FALSE; 573 return TRUE; 574} 575 576int 577diskPartitionEditor(dialogMenuItem *self) 578{ 579 DMenu *menu; 580 Device **devs; 581 int i, cnt, devcnt; 582 583 cnt = diskGetSelectCount(&devs); 584 devcnt = deviceCount(devs); 585 if (cnt == -1) { 586 msgConfirm("No disks found! Please verify that your disk controller is being\n" 587 "properly probed at boot time. See the Hardware Guide on the\n" 588 "Documentation menu for clues on diagnosing this type of problem."); 589 return DITEM_FAILURE; 590 } 591 else if (cnt) { 592 /* Some are already selected */ 593 for (i = 0; i < devcnt; i++) { 594 if (devs[i]->enabled) { 595 if (variable_get(VAR_NONINTERACTIVE)) 596 diskPartitionNonInteractive(devs[i]); 597 else 598 diskPartition(devs[i]); 599 } 600 } 601 } 602 else { 603 /* No disks are selected, fall-back case now */ 604 if (devcnt == 1) { 605 devs[0]->enabled = TRUE; 606 if (variable_get(VAR_NONINTERACTIVE)) 607 diskPartitionNonInteractive(devs[0]); 608 else 609 diskPartition(devs[0]); 610 return DITEM_SUCCESS; 611 } 612 else { 613 menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook, partitionCheck); 614 if (!menu) { 615 msgConfirm("No devices suitable for installation found!\n\n" 616 "Please verify that your disk controller (and attached drives)\n" 617 "were detected properly. This can be done by pressing the\n" 618 "[Scroll Lock] key and using the Arrow keys to move back to\n" 619 "the boot messages. Press [Scroll Lock] again to return."); 620 return DITEM_FAILURE; 621 } 622 else { 623 i = dmenuOpenSimple(menu, FALSE) ? DITEM_SUCCESS : DITEM_FAILURE; 624 free(menu); 625 } 626 return i; 627 } 628 } 629 return DITEM_SUCCESS; 630} 631 632int 633diskPartitionWrite(dialogMenuItem *self) 634{ 635 Device **devs; 636 int i; 637 char *cp; 638 639 devs = deviceFind(NULL, DEVICE_TYPE_DISK); 640 if (!devs) { 641 msgConfirm("Unable to find any disks to write to??"); 642 return DITEM_FAILURE; 643 } 644 if (isDebug()) 645 msgDebug("diskPartitionWrite: Examining %d devices\n", deviceCount(devs)); 646 cp = variable_get(DISK_PARTITIONED); 647 if (cp && !strcmp(cp, "written")) 648 return DITEM_SUCCESS; 649 650 for (i = 0; devs[i]; i++) { 651 Disk *d = (Disk *)devs[i]->private; 652 static u_char *boot1; 653#ifndef __alpha__ 654 static u_char *boot2; 655#endif 656 657 if (!devs[i]->enabled) 658 continue; 659 660#ifdef __alpha__ 661 if (!boot1) boot1 = bootalloc("boot1"); 662 Set_Boot_Blocks(d, boot1, NULL); 663#else 664 if (!boot1) boot1 = bootalloc("boot1"); 665 if (!boot2) boot2 = bootalloc("boot2"); 666 Set_Boot_Blocks(d, boot1, boot2); 667#endif 668 669 msgNotify("Writing partition information to drive %s", d->name); 670 if (!Fake && Write_Disk(d)) { 671 msgConfirm("ERROR: Unable to write data to disk %s!", d->name); 672 return DITEM_FAILURE; 673 } 674 675 /* If we've been through here before, we don't need to do the rest */ 676 if (cp && !strcmp(cp, "written")) 677 return DITEM_SUCCESS; 678 } 679 /* Now it's not "yes", but "written" */ 680 variable_set2(DISK_PARTITIONED, "written", 0); 681 return DITEM_SUCCESS; 682} 683 684/* Partition a disk based wholly on which variables are set */ 685static void 686diskPartitionNonInteractive(Device *dev) 687{ 688 char *cp; 689 int i, sz, all_disk = 0; 690 u_char *mbrContents; 691 Disk *d = (Disk *)dev->private; 692 693 record_chunks(d); 694 cp = variable_get(VAR_GEOMETRY); 695 if (cp) { 696 msgDebug("Setting geometry from script to: %s\n", cp); 697 d->bios_cyl = strtol(cp, &cp, 0); 698 d->bios_hd = strtol(cp + 1, &cp, 0); 699 d->bios_sect = strtol(cp + 1, 0, 0); 700 } 701 702 cp = variable_get(VAR_PARTITION); 703 if (cp) { 704 if (!strcmp(cp, "free")) { 705 /* Do free disk space case */ 706 for (i = 0; chunk_info[i]; i++) { 707 /* If a chunk is at least 10MB in size, use it. */ 708 if (chunk_info[i]->type == unused && chunk_info[i]->size > (10 * ONE_MEG)) { 709 Create_Chunk(d, chunk_info[i]->offset, chunk_info[i]->size, freebsd, 3, 710 (chunk_info[i]->flags & CHUNK_ALIGN)); 711 variable_set2(DISK_PARTITIONED, "yes", 0); 712 break; 713 } 714 } 715 if (!chunk_info[i]) { 716 msgConfirm("Unable to find any free space on this disk!"); 717 return; 718 } 719 } 720 else if (!strcmp(cp, "all")) { 721 /* Do all disk space case */ 722 msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name); 723 724 All_FreeBSD(d, FALSE); 725 } 726 else if (!strcmp(cp, "exclusive")) { 727 /* Do really-all-the-disk-space case */ 728 msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name); 729 730 All_FreeBSD(d, all_disk = TRUE); 731 } 732 else if ((sz = strtol(cp, &cp, 0))) { 733 /* Look for sz bytes free */ 734 if (*cp && toupper(*cp) == 'M') 735 sz *= ONE_MEG; 736 for (i = 0; chunk_info[i]; i++) { 737 /* If a chunk is at least sz MB, use it. */ 738 if (chunk_info[i]->type == unused && chunk_info[i]->size >= sz) { 739 Create_Chunk(d, chunk_info[i]->offset, sz, freebsd, 3, (chunk_info[i]->flags & CHUNK_ALIGN)); 740 variable_set2(DISK_PARTITIONED, "yes", 0); 741 break; 742 } 743 } 744 if (!chunk_info[i]) { 745 msgConfirm("Unable to find %d free blocks on this disk!", sz); 746 return; 747 } 748 } 749 else if (!strcmp(cp, "existing")) { 750 /* Do existing FreeBSD case */ 751 for (i = 0; chunk_info[i]; i++) { 752 if (chunk_info[i]->type == freebsd) 753 break; 754 } 755 if (!chunk_info[i]) { 756 msgConfirm("Unable to find any existing FreeBSD partitions on this disk!"); 757 return; 758 } 759 } 760 else { 761 msgConfirm("`%s' is an invalid value for %s - is config file valid?", cp, VAR_PARTITION); 762 return; 763 } 764 if (!all_disk) { 765 mbrContents = getBootMgr(d->name); 766 Set_Boot_Mgr(d, mbrContents); 767 } 768 variable_set2(DISK_PARTITIONED, "yes", 0); 769 } 770} 771