disks.c revision 18744
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 * $Id: disks.c,v 1.68 1996/10/04 14:53:48 jkh Exp $ 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 <sys/disklabel.h> 40 41/* Where we start displaying chunk information on the screen */ 42#define CHUNK_START_ROW 5 43 44/* Where we keep track of MBR chunks */ 45static struct chunk *chunk_info[16]; 46static int current_chunk; 47 48static void 49record_chunks(Disk *d) 50{ 51 struct chunk *c1 = NULL; 52 int i = 0; 53 int last_free = 0; 54 55 if (!d->chunks) 56 msgFatal("No chunk list found for %s!", d->name); 57 58 for (c1 = d->chunks->part; c1; c1 = c1->next) { 59 if (c1->type == unused && c1->size > last_free) { 60 last_free = c1->size; 61 current_chunk = i; 62 } 63 chunk_info[i++] = c1; 64 } 65 chunk_info[i] = NULL; 66 if (current_chunk >= i) 67 current_chunk = i - 1; 68} 69 70static int Total; 71 72static void 73print_chunks(Disk *d) 74{ 75 int row; 76 int i; 77 78 for (i = Total = 0; chunk_info[i]; i++) 79 Total += chunk_info[i]->size; 80 if (d->bios_hd <= 1 && d->bios_sect <= 1) { 81 All_FreeBSD(d, TRUE); 82 d->bios_hd = d->bios_sect = d->bios_cyl = 1; 83 } 84 else 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 default geometry of 64 heads and 32 sectors. If this geometry\n" 88 "is incorrect or you are unsure as to whether or not it's correct,\n" 89 "please consult the Hardware Guide in the Documentation submenu\n" 90 "or use the (G)eometry command to change it now.", d->bios_cyl, d->bios_hd, d->bios_sect, d->name); 91 d->bios_hd = 64; 92 d->bios_sect = 32; 93 d->bios_cyl = Total / ONE_MEG; 94 } 95 attrset(A_NORMAL); 96 mvaddstr(0, 0, "Disk name:\t"); 97 clrtobot(); 98 attrset(A_REVERSE); addstr(d->name); attrset(A_NORMAL); 99 attrset(A_REVERSE); mvaddstr(0, 55, "FDISK Partition Editor"); attrset(A_NORMAL); 100 mvprintw(1, 0, 101 "DISK Geometry:\t%lu cyls/%lu heads/%lu sectors", 102 d->bios_cyl, d->bios_hd, d->bios_sect); 103 mvprintw(3, 1, "%10s %10s %10s %8s %8s %8s %8s %8s", 104 "Offset", "Size", "End", "Name", "PType", "Desc", 105 "Subtype", "Flags"); 106 for (i = 0, row = CHUNK_START_ROW; chunk_info[i]; i++, row++) { 107 if (i == current_chunk) 108 attrset(ATTR_SELECTED); 109 mvprintw(row, 2, "%10ld %10lu %10lu %8s %8d %8s %8d\t%-6s", 110 chunk_info[i]->offset, chunk_info[i]->size, 111 chunk_info[i]->end, chunk_info[i]->name, 112 chunk_info[i]->type, chunk_n[chunk_info[i]->type], 113 chunk_info[i]->subtype, ShowChunkFlags(chunk_info[i])); 114 if (i == current_chunk) 115 attrset(A_NORMAL); 116 } 117} 118 119static void 120print_command_summary() 121{ 122 mvprintw(14, 0, "The following commands are supported (in upper or lower case):"); 123 mvprintw(16, 0, "A = Use Entire Disk B = Bad Block Scan C = Create Partition"); 124 mvprintw(17, 0, "D = Delete Partition G = Set Drive Geometry S = Set Bootable"); 125 mvprintw(18, 0, "U = Undo All Changes Q = Finish"); 126 if (!RunningAsInit) 127 mvprintw(18, 46, "W = Write Changes"); 128 mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to select."); 129 move(0, 0); 130} 131 132static u_char * 133getBootMgr(char *dname) 134{ 135 extern u_char mbr[], bteasy17[]; 136 char str[80]; 137 char *cp; 138 int i = 0; 139 140 cp = variable_get(VAR_BOOTMGR); 141 if (!cp) { 142 /* Figure out what kind of MBR the user wants */ 143 sprintf(str, "Install Boot Manager for drive %s?", dname); 144 MenuMBRType.title = str; 145 i = dmenuOpenSimple(&MenuMBRType, FALSE); 146 } 147 else { 148 if (!strncmp(cp, "boot", 4)) 149 BootMgr = 0; 150 else if (!strcmp(cp, "standard")) 151 BootMgr = 1; 152 else 153 BootMgr = 2; 154 } 155 if (cp || i) { 156 switch (BootMgr) { 157 case 0: 158 return bteasy17; 159 160 case 1: 161 return mbr; 162 163 case 2: 164 default: 165 break; 166 } 167 } 168 return NULL; 169} 170 171void 172diskPartition(Device *dev, Disk *d) 173{ 174 char *cp, *p; 175 int rv, key = 0; 176 Boolean chunking; 177 char *msg = NULL; 178 u_char *mbrContents; 179 WINDOW *w = savescr(); 180 181 chunking = TRUE; 182 keypad(stdscr, TRUE); 183 184 /* Flush both the dialog and curses library views of the screen 185 since we don't always know who called us */ 186 dialog_clear_norefresh(), clear(); 187 188 /* Set up the chunk array */ 189 record_chunks(d); 190 191 while (chunking) { 192 char *val, geometry[80]; 193 194 /* Now print our overall state */ 195 print_chunks(d); 196 print_command_summary(); 197 if (msg) { 198 attrset(title_attr); mvprintw(23, 0, msg); attrset(A_NORMAL); 199 beep(); 200 msg = NULL; 201 } 202 else { 203 move(23, 0); 204 clrtoeol(); 205 } 206 207 /* Get command character */ 208 key = getch(); 209 switch (toupper(key)) { 210 case '\014': /* ^L (redraw) */ 211 clear(); 212 msg = NULL; 213 break; 214 215 case KEY_UP: 216 case '-': 217 if (current_chunk != 0) 218 --current_chunk; 219 break; 220 221 case KEY_DOWN: 222 case '+': 223 case '\r': 224 case '\n': 225 if (chunk_info[current_chunk + 1]) 226 ++current_chunk; 227 break; 228 229 case KEY_HOME: 230 current_chunk = 0; 231 break; 232 233 case KEY_END: 234 while (chunk_info[current_chunk + 1]) 235 ++current_chunk; 236 break; 237 238 case KEY_F(1): 239 case '?': 240 systemDisplayHelp("slice"); 241 clear(); 242 break; 243 244 case 'A': 245 rv = msgYesNo("Do you want to do this with a true partition entry\n" 246 "so as to remain cooperative with any future possible\n" 247 "operating systems on the drive(s)?"); 248 if (rv) { 249 rv = !msgYesNo("This is dangerous in that it will make the drive totally\n" 250 "uncooperative with other potential operating systems on the\n" 251 "same disk. It will lead instead to a totally dedicated disk,\n" 252 "starting at the very first sector, bypassing all BIOS geometry\n" 253 "considerations. This precludes the existance of any boot\n" 254 "manager or other stuff in sector 0, since the BSD bootstrap\n" 255 "will live there.\n" 256 "You will run into serious trouble with ST-506 and ESDI drives\n" 257 "and possibly some IDE drives (e.g. drives running under the\n" 258 "control of sort of disk manager). SCSI drives are considerably\n" 259 "less at risk.\n\n" 260 "Do you insist on dedicating the entire disk this way?"); 261 } 262 All_FreeBSD(d, rv); 263 if (rv) 264 d->bios_hd = d->bios_sect = d->bios_cyl = 1; 265 else { 266 d->bios_hd = 64; 267 d->bios_sect = 32; 268 d->bios_cyl = Total / ONE_MEG; 269 } 270 variable_set2(DISK_PARTITIONED, "yes"); 271 record_chunks(d); 272 clear(); 273 break; 274 275 case 'B': 276 if (chunk_info[current_chunk]->type != freebsd) 277 msg = "Can only scan for bad blocks in FreeBSD partition."; 278 else if (strncmp(d->name, "sd", 2) || 279 !msgYesNo("This typically makes sense only for ESDI, IDE or MFM drives.\n" 280 "Are you sure you want to do this on a SCSI disk?")) { 281 if (chunk_info[current_chunk]->flags & CHUNK_BAD144) 282 chunk_info[current_chunk]->flags &= ~CHUNK_BAD144; 283 else 284 chunk_info[current_chunk]->flags |= CHUNK_BAD144; 285 } 286 clear(); 287 break; 288 289 case 'C': 290 if (chunk_info[current_chunk]->type != unused) 291 msg = "Partition in use, delete it first or move to an unused one."; 292 else { 293 char *val, tmp[20], *cp; 294 int size, subtype; 295 chunk_e partitiontype; 296 297 snprintf(tmp, 20, "%d", chunk_info[current_chunk]->size); 298 val = msgGetInput(tmp, "Please specify the size for new FreeBSD partition in blocks\n" 299 "or append a trailing `M' for megabytes (e.g. 20M)."); 300 if (val && (size = strtol(val, &cp, 0)) > 0) { 301 if (*cp && toupper(*cp) == 'M') 302 size *= ONE_MEG; 303 strcpy(tmp, "165"); 304 val = msgGetInput(tmp, "Enter type of partition to create:\n\n" 305 "Pressing Enter will choose the default, a native FreeBSD\n" 306 "partition (type 165). You can choose other types, 6 for a\n" 307 "DOS partition or 131 for a Linux partition, for example.\n\n" 308 "Note: If you choose a non-FreeBSD partition type, it will not\n" 309 "be formatted or otherwise prepared, it will simply reserve space\n" 310 "for you to use another tool, such as DOS FORMAT, to later format\n" 311 "and use the partition."); 312 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 313 if (subtype==165) 314 partitiontype=freebsd; 315 else if (subtype==6) 316 partitiontype=fat; 317 else 318 partitiontype=unknown; 319 Create_Chunk(d, chunk_info[current_chunk]->offset, size, partitiontype, subtype, 320 (chunk_info[current_chunk]->flags & CHUNK_ALIGN)); 321 variable_set2(DISK_PARTITIONED, "yes"); 322 record_chunks(d); 323 } 324 } 325 clear(); 326 } 327 break; 328 329 case KEY_DC: 330 case 'D': 331 if (chunk_info[current_chunk]->type == unused) 332 msg = "Partition is already unused!"; 333 else { 334 Delete_Chunk(d, chunk_info[current_chunk]); 335 variable_set2(DISK_PARTITIONED, "yes"); 336 record_chunks(d); 337 } 338 break; 339 340 case 'G': 341 snprintf(geometry, 80, "%lu/%lu/%lu", d->bios_cyl, d->bios_hd, d->bios_sect); 342 val = msgGetInput(geometry, "Please specify the new geometry in cyl/hd/sect format.\n" 343 "Don't forget to use the two slash (/) separator characters!\n" 344 "It's not possible to parse the field without them."); 345 if (val) { 346 d->bios_cyl = strtol(val, &val, 0); 347 d->bios_hd = strtol(val + 1, &val, 0); 348 d->bios_sect = strtol(val + 1, 0, 0); 349 } 350 clear(); 351 break; 352 353 case 'S': 354 /* Set Bootable */ 355 chunk_info[current_chunk]->flags |= CHUNK_ACTIVE; 356 break; 357 358 case 'U': 359 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 360 msgConfirm("You've already written this information out - you\n" 361 "can't undo it."); 362 } 363 else if (!msgYesNo("Are you SURE you want to Undo everything?")) { 364 d = Open_Disk(d->name); 365 if (!d) { 366 msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", d->name); 367 clear(); 368 break; 369 } 370 Free_Disk(dev->private); 371 dev->private = d; 372 variable_unset(DISK_PARTITIONED); 373 variable_unset(DISK_LABELLED); 374 record_chunks(d); 375 } 376 clear(); 377 break; 378 379 case 'W': 380 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 381 msgConfirm("You've already written this information out - if\n" 382 "you wish to overwrite it, you'll have to restart."); 383 } 384 else if (!msgYesNo("WARNING: This should only be used when modifying an EXISTING\n" 385 "installation. If you are installing FreeBSD for the first time\n" 386 "then you should simply type Q when you're finished here and your\n" 387 "changes will be committed in one batch automatically at the end of\n" 388 "these questions.\n\n" 389 "Are you absolutely sure you want to do this now?")) { 390 variable_set2(DISK_PARTITIONED, "yes"); 391 392 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 393 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 394 * booteasy or a "standard" MBR -- both would be fatal in this case. 395 */ 396 if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL 397 && (mbrContents = getBootMgr(d->name)) != NULL) 398 Set_Boot_Mgr(d, mbrContents); 399 400 if (DITEM_STATUS(diskPartitionWrite(NULL)) != DITEM_SUCCESS) 401 msgConfirm("Disk partition write returned an error status!"); 402 else 403 msgConfirm("Wrote FDISK partition information out successfully."); 404 } 405 clear(); 406 break; 407 408 case '|': 409 if (!msgYesNo("Are you SURE you want to go into Wizard mode?\n" 410 "No seat belts whatsoever are provided!")) { 411 clear(); 412 refresh(); 413 slice_wizard(d); 414 variable_set2(DISK_PARTITIONED, "yes"); 415 record_chunks(d); 416 } 417 else 418 msg = "Wise choice!"; 419 clear(); 420 break; 421 422 case 'Q': 423 chunking = FALSE; 424 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 425 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 426 * booteasy or a "standard" MBR -- both would be fatal in this case. 427 */ 428 if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL 429 && (mbrContents = getBootMgr(d->name)) != NULL) 430 Set_Boot_Mgr(d, mbrContents); 431 break; 432 433 default: 434 beep(); 435 msg = "Type F1 or ? for help"; 436 break; 437 } 438 } 439 p = CheckRules(d); 440 if (p) { 441 char buf[FILENAME_MAX]; 442 443 dialog_clear_norefresh(); 444 use_helpline("Press F1 to read more about disk partitioning."); 445 use_helpfile(systemHelpFile("partition", buf)); 446 dialog_mesgbox("Disk partitioning warning:", p, -1, -1); 447 free(p); 448 } 449 restorescr(w); 450} 451 452static int 453partitionHook(dialogMenuItem *selected) 454{ 455 Device **devs = NULL; 456 457 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 458 if (!devs) { 459 msgConfirm("Unable to find disk %s!", selected->prompt); 460 return DITEM_FAILURE; 461 } 462 /* Toggle enabled status? */ 463 if (!devs[0]->enabled) { 464 devs[0]->enabled = TRUE; 465 diskPartition(devs[0], (Disk *)devs[0]->private); 466 } 467 else 468 devs[0]->enabled = FALSE; 469 return DITEM_SUCCESS | DITEM_REDRAW; 470} 471 472static int 473partitionCheck(dialogMenuItem *selected) 474{ 475 Device **devs = NULL; 476 477 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 478 if (!devs || devs[0]->enabled == FALSE) 479 return FALSE; 480 return TRUE; 481} 482 483int 484diskPartitionEditor(dialogMenuItem *self) 485{ 486 DMenu *menu; 487 Device **devs; 488 int i, cnt; 489 char *cp; 490 491 cp = variable_get(VAR_DISK); 492 devs = deviceFind(cp, DEVICE_TYPE_DISK); 493 cnt = deviceCount(devs); 494 if (!cnt) { 495 msgConfirm("No disks found! Please verify that your disk controller is being\n" 496 "properly probed at boot time. See the Hardware Guide on the\n" 497 "Documentation menu for clues on diagnosing this type of problem."); 498 i = DITEM_FAILURE; 499 } 500 else if (cnt == 1) { 501 devs[0]->enabled = TRUE; 502 diskPartition(devs[0], (Disk *)devs[0]->private); 503 i = DITEM_SUCCESS; 504 } 505 else { 506 menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook, partitionCheck); 507 if (!menu) { 508 msgConfirm("No devices suitable for installation found!\n\n" 509 "Please verify that your disk controller (and attached drives)\n" 510 "were detected properly. This can be done by pressing the\n" 511 "[Scroll Lock] key and using the Arrow keys to move back to\n" 512 "the boot messages. Press [Scroll Lock] again to return."); 513 i = DITEM_FAILURE; 514 } 515 else { 516 i = dmenuOpenSimple(menu, FALSE) ? DITEM_SUCCESS : DITEM_FAILURE; 517 free(menu); 518 } 519 i = i | DITEM_RECREATE; 520 } 521 return i; 522} 523 524int 525diskPartitionWrite(dialogMenuItem *self) 526{ 527 Device **devs; 528 char *cp; 529 int i; 530 531 if ((cp = variable_get(DISK_PARTITIONED)) && strcmp(cp, "yes")) 532 return DITEM_SUCCESS; 533 else if (!cp) { 534 msgConfirm("You must partition the disk(s) before this option can be used."); 535 return DITEM_FAILURE; 536 } 537 538 devs = deviceFind(NULL, DEVICE_TYPE_DISK); 539 if (!devs) { 540 msgConfirm("Unable to find any disks to write to??"); 541 return DITEM_FAILURE; 542 } 543 if (isDebug()) 544 msgDebug("diskPartitionWrite: Examining %d devices\n", deviceCount(devs)); 545 546 for (i = 0; devs[i]; i++) { 547 Chunk *c1; 548 Disk *d = (Disk *)devs[i]->private; 549 550 if (!devs[i]->enabled) 551 continue; 552 553 Set_Boot_Blocks(d, boot1, boot2); 554 msgNotify("Writing partition information to drive %s", d->name); 555 if (!Fake && Write_Disk(d)) { 556 msgConfirm("ERROR: Unable to write data to disk %s!", d->name); 557 return DITEM_FAILURE; 558 } 559 /* Now scan for bad blocks, if necessary */ 560 for (c1 = d->chunks->part; c1; c1 = c1->next) { 561 if (c1->flags & CHUNK_BAD144) { 562 int ret; 563 564 msgNotify("Running bad block scan on partition %s", c1->name); 565 if (!Fake) { 566 ret = vsystem("bad144 -v /dev/r%s 1234", c1->name); 567 if (ret) 568 msgConfirm("Bad144 init on %s returned status of %d!", c1->name, ret); 569 ret = vsystem("bad144 -v -s /dev/r%s", c1->name); 570 if (ret) 571 msgConfirm("Bad144 scan on %s returned status of %d!", c1->name, ret); 572 } 573 } 574 } 575 } 576 /* Now it's not "yes", but "written" */ 577 variable_set2(DISK_PARTITIONED, "written"); 578 return DITEM_SUCCESS; 579} 580