disks.c revision 21772
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 21772 1997-01-16 14:42:21Z 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 <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_cyl > 65536 || d->bios_hd > 256 || d->bios_sect >= 64) { 81 dialog_clear_norefresh(); 82 msgConfirm("WARNING: A geometry of %d/%d/%d for %s is incorrect. Using\n" 83 "a more likely geometry. If this geometry is incorrect or you\n" 84 "are unsure as to whether or not it's correct, please consult\n" 85 "the Hardware Guide in the Documentation submenu or use the\n" 86 " (G)eometry command to change it now.", 87 d->bios_cyl, d->bios_hd, d->bios_sect, d->name); 88 Sanitize_Bios_Geom(d); 89 } 90 attrset(A_NORMAL); 91 mvaddstr(0, 0, "Disk name:\t"); 92 clrtobot(); 93 attrset(A_REVERSE); addstr(d->name); attrset(A_NORMAL); 94 attrset(A_REVERSE); mvaddstr(0, 55, "FDISK Partition Editor"); attrset(A_NORMAL); 95 mvprintw(1, 0, 96 "DISK Geometry:\t%lu cyls/%lu heads/%lu sectors = %lu sectors", 97 d->bios_cyl, d->bios_hd, d->bios_sect, 98 d->bios_cyl * d->bios_hd * d->bios_sect); 99 mvprintw(3, 1, "%10s %10s %10s %8s %8s %8s %8s %8s", 100 "Offset", "Size", "End", "Name", "PType", "Desc", 101 "Subtype", "Flags"); 102 for (i = 0, row = CHUNK_START_ROW; chunk_info[i]; i++, row++) { 103 if (i == current_chunk) 104 attrset(ATTR_SELECTED); 105 mvprintw(row, 2, "%10ld %10lu %10lu %8s %8d %8s %8d\t%-6s", 106 chunk_info[i]->offset, chunk_info[i]->size, 107 chunk_info[i]->end, chunk_info[i]->name, 108 chunk_info[i]->type, chunk_n[chunk_info[i]->type], 109 chunk_info[i]->subtype, ShowChunkFlags(chunk_info[i])); 110 if (i == current_chunk) 111 attrset(A_NORMAL); 112 } 113} 114 115static void 116print_command_summary() 117{ 118 mvprintw(14, 0, "The following commands are supported (in upper or lower case):"); 119 mvprintw(16, 0, "A = Use Entire Disk B = Bad Block Scan C = Create Partition"); 120 mvprintw(17, 0, "D = Delete Partition G = Set Drive Geometry S = Set Bootable"); 121 mvprintw(18, 0, "U = Undo All Changes Q = Finish"); 122 if (!RunningAsInit) 123 mvprintw(18, 46, "W = Write Changes"); 124 mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to select."); 125 move(0, 0); 126} 127 128static u_char * 129getBootMgr(char *dname) 130{ 131 extern u_char mbr[], bteasy17[]; 132 char str[80]; 133 char *cp; 134 int i = 0; 135 136 cp = variable_get(VAR_BOOTMGR); 137 if (!cp) { 138 /* Figure out what kind of MBR the user wants */ 139 sprintf(str, "Install Boot Manager for drive %s?", dname); 140 MenuMBRType.title = str; 141 i = dmenuOpenSimple(&MenuMBRType, FALSE); 142 } 143 else { 144 if (!strncmp(cp, "boot", 4)) 145 BootMgr = 0; 146 else if (!strcmp(cp, "standard")) 147 BootMgr = 1; 148 else 149 BootMgr = 2; 150 } 151 if (cp || i) { 152 switch (BootMgr) { 153 case 0: 154 return bteasy17; 155 156 case 1: 157 return mbr; 158 159 case 2: 160 default: 161 break; 162 } 163 } 164 return NULL; 165} 166 167void 168diskPartition(Device *dev, Disk *d) 169{ 170 char *cp, *p; 171 int rv, key = 0; 172 Boolean chunking; 173 char *msg = NULL; 174 u_char *mbrContents; 175 WINDOW *w = savescr(); 176 177 chunking = TRUE; 178 keypad(stdscr, TRUE); 179 180 /* Flush both the dialog and curses library views of the screen 181 since we don't always know who called us */ 182 dialog_clear_norefresh(), clear(); 183 current_chunk = 0; 184 185 /* Set up the chunk array */ 186 record_chunks(d); 187 188 while (chunking) { 189 char *val, geometry[80]; 190 191 /* Now print our overall state */ 192 if (d) 193 print_chunks(d); 194 print_command_summary(); 195 if (msg) { 196 attrset(title_attr); mvprintw(23, 0, msg); attrset(A_NORMAL); 197 beep(); 198 msg = NULL; 199 } 200 else { 201 move(23, 0); 202 clrtoeol(); 203 } 204 205 /* Get command character */ 206 key = getch(); 207 switch (toupper(key)) { 208 case '\014': /* ^L (redraw) */ 209 clear(); 210 msg = NULL; 211 break; 212 213 case '\020': /* ^P */ 214 case KEY_UP: 215 case '-': 216 if (current_chunk != 0) 217 --current_chunk; 218 break; 219 220 case '\016': /* ^N */ 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 != 0) { 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 if (rv == -1) 263 rv = 0; 264 All_FreeBSD(d, rv); 265 variable_set2(DISK_PARTITIONED, "yes"); 266 record_chunks(d); 267 clear(); 268 break; 269 270 case 'B': 271 if (chunk_info[current_chunk]->type != freebsd) 272 msg = "Can only scan for bad blocks in FreeBSD partition."; 273 else if (strncmp(d->name, "sd", 2) || 274 !msgYesNo("This typically makes sense only for ESDI, IDE or MFM drives.\n" 275 "Are you sure you want to do this on a SCSI disk?")) { 276 if (chunk_info[current_chunk]->flags & CHUNK_BAD144) 277 chunk_info[current_chunk]->flags &= ~CHUNK_BAD144; 278 else 279 chunk_info[current_chunk]->flags |= CHUNK_BAD144; 280 } 281 clear(); 282 break; 283 284 case 'C': 285 if (chunk_info[current_chunk]->type != unused) 286 msg = "Partition in use, delete it first or move to an unused one."; 287 else { 288 char *val, tmp[20], *cp; 289 int size, subtype; 290 chunk_e partitiontype; 291 292 snprintf(tmp, 20, "%d", chunk_info[current_chunk]->size); 293 val = msgGetInput(tmp, "Please specify the size for new FreeBSD partition in blocks\n" 294 "or append a trailing `M' for megabytes (e.g. 20M)."); 295 if (val && (size = strtol(val, &cp, 0)) > 0) { 296 if (*cp && toupper(*cp) == 'M') 297 size *= ONE_MEG; 298 strcpy(tmp, "165"); 299 val = msgGetInput(tmp, "Enter type of partition to create:\n\n" 300 "Pressing Enter will choose the default, a native FreeBSD\n" 301 "partition (type 165). You can choose other types, 6 for a\n" 302 "DOS partition or 131 for a Linux partition, for example.\n\n" 303 "Note: If you choose a non-FreeBSD partition type, it will not\n" 304 "be formatted or otherwise prepared, it will simply reserve space\n" 305 "for you to use another tool, such as DOS FORMAT, to later format\n" 306 "and use the partition."); 307 if (val && (subtype = strtol(val, NULL, 0)) > 0) { 308 if (subtype==165) 309 partitiontype=freebsd; 310 else if (subtype==6) 311 partitiontype=fat; 312 else 313 partitiontype=unknown; 314 Create_Chunk(d, chunk_info[current_chunk]->offset, size, partitiontype, subtype, 315 (chunk_info[current_chunk]->flags & CHUNK_ALIGN)); 316 variable_set2(DISK_PARTITIONED, "yes"); 317 record_chunks(d); 318 } 319 } 320 clear(); 321 } 322 break; 323 324 case KEY_DC: 325 case 'D': 326 if (chunk_info[current_chunk]->type == unused) 327 msg = "Partition is already unused!"; 328 else { 329 Delete_Chunk(d, chunk_info[current_chunk]); 330 variable_set2(DISK_PARTITIONED, "yes"); 331 record_chunks(d); 332 } 333 break; 334 335 case 'G': 336 snprintf(geometry, 80, "%lu/%lu/%lu", d->bios_cyl, d->bios_hd, d->bios_sect); 337 val = msgGetInput(geometry, "Please specify the new geometry in cyl/hd/sect format.\n" 338 "Don't forget to use the two slash (/) separator characters!\n" 339 "It's not possible to parse the field without them."); 340 if (val) { 341 long nc, nh, ns; 342 nc = strtol(val, &val, 0); 343 nh = strtol(val + 1, &val, 0); 344 ns = strtol(val + 1, 0, 0); 345 Set_Bios_Geom(d, nc, nh, ns); 346 } 347 clear(); 348 break; 349 350 case 'S': 351 /* Set Bootable */ 352 chunk_info[current_chunk]->flags |= CHUNK_ACTIVE; 353 break; 354 355 case 'U': 356 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 357 msgConfirm("You've already written this information out - you\n" 358 "can't undo it."); 359 } 360 else if (!msgYesNo("Are you SURE you want to Undo everything?")) { 361 char cp[BUFSIZ]; 362 363 sstrncpy(cp, d->name, sizeof cp); 364 Free_Disk(dev->private); 365 d = Open_Disk(cp); 366 if (!d) 367 msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", cp); 368 dev->private = d; 369 variable_unset(DISK_PARTITIONED); 370 variable_unset(DISK_LABELLED); 371 if (d) 372 record_chunks(d); 373 } 374 clear(); 375 break; 376 377 case 'W': 378 if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) { 379 msgConfirm("You've already written this information out - if\n" 380 "you wish to overwrite it, you'll have to restart."); 381 } 382 else if (!msgYesNo("WARNING: This should only be used when modifying an EXISTING\n" 383 "installation. If you are installing FreeBSD for the first time\n" 384 "then you should simply type Q when you're finished here and your\n" 385 "changes will be committed in one batch automatically at the end of\n" 386 "these questions.\n\n" 387 "Are you absolutely sure you want to do this now?")) { 388 variable_set2(DISK_PARTITIONED, "yes"); 389 390 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 391 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 392 * booteasy or a "standard" MBR -- both would be fatal in this case. 393 */ 394 if (!(d->chunks->part->flags & CHUNK_FORCE_ALL) && (mbrContents = getBootMgr(d->name)) != NULL) 395 Set_Boot_Mgr(d, mbrContents); 396 397 if (DITEM_STATUS(diskPartitionWrite(NULL)) != DITEM_SUCCESS) 398 msgConfirm("Disk partition write returned an error status!"); 399 else 400 msgConfirm("Wrote FDISK partition information out successfully."); 401 } 402 clear(); 403 break; 404 405 case '|': 406 if (!msgYesNo("Are you SURE you want to go into Wizard mode?\n" 407 "No seat belts whatsoever are provided!")) { 408 clear(); 409 refresh(); 410 slice_wizard(d); 411 variable_set2(DISK_PARTITIONED, "yes"); 412 record_chunks(d); 413 } 414 else 415 msg = "Wise choice!"; 416 clear(); 417 break; 418 419 case '\033': /* ESC */ 420 case 'Q': 421 chunking = FALSE; 422 /* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated 423 * disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested 424 * booteasy or a "standard" MBR -- both would be fatal in this case. 425 */ 426 if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL 427 && (mbrContents = getBootMgr(d->name)) != NULL) 428 Set_Boot_Mgr(d, mbrContents); 429 break; 430 431 default: 432 beep(); 433 msg = "Type F1 or ? for help"; 434 break; 435 } 436 } 437 p = CheckRules(d); 438 if (p) { 439 char buf[FILENAME_MAX]; 440 441 dialog_clear_norefresh(); 442 use_helpline("Press F1 to read more about disk partitioning."); 443 use_helpfile(systemHelpFile("partition", buf)); 444 dialog_mesgbox("Disk partitioning warning:", p, -1, -1); 445 free(p); 446 } 447 restorescr(w); 448} 449 450static int 451partitionHook(dialogMenuItem *selected) 452{ 453 Device **devs = NULL; 454 455 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 456 if (!devs) { 457 msgConfirm("Unable to find disk %s!", selected->prompt); 458 return DITEM_FAILURE; 459 } 460 /* Toggle enabled status? */ 461 if (!devs[0]->enabled) { 462 devs[0]->enabled = TRUE; 463 diskPartition(devs[0], (Disk *)devs[0]->private); 464 } 465 else 466 devs[0]->enabled = FALSE; 467 return DITEM_SUCCESS | DITEM_REDRAW; 468} 469 470static int 471partitionCheck(dialogMenuItem *selected) 472{ 473 Device **devs = NULL; 474 475 devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK); 476 if (!devs || devs[0]->enabled == FALSE) 477 return FALSE; 478 return TRUE; 479} 480 481int 482diskPartitionEditor(dialogMenuItem *self) 483{ 484 DMenu *menu; 485 Device **devs; 486 int i, cnt; 487 char *cp; 488 489 cp = variable_get(VAR_DISK); 490 devs = deviceFind(cp, DEVICE_TYPE_DISK); 491 cnt = deviceCount(devs); 492 if (!cnt) { 493 msgConfirm("No disks found! Please verify that your disk controller is being\n" 494 "properly probed at boot time. See the Hardware Guide on the\n" 495 "Documentation menu for clues on diagnosing this type of problem."); 496 i = DITEM_FAILURE; 497 } 498 else if (cnt == 1) { 499 devs[0]->enabled = TRUE; 500 diskPartition(devs[0], (Disk *)devs[0]->private); 501 i = DITEM_SUCCESS; 502 } 503 else { 504 menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook, partitionCheck); 505 if (!menu) { 506 msgConfirm("No devices suitable for installation found!\n\n" 507 "Please verify that your disk controller (and attached drives)\n" 508 "were detected properly. This can be done by pressing the\n" 509 "[Scroll Lock] key and using the Arrow keys to move back to\n" 510 "the boot messages. Press [Scroll Lock] again to return."); 511 i = DITEM_FAILURE; 512 } 513 else { 514 i = dmenuOpenSimple(menu, FALSE) ? DITEM_SUCCESS : DITEM_FAILURE; 515 free(menu); 516 } 517 i = i | DITEM_RECREATE; 518 } 519 return i; 520} 521 522int 523diskPartitionWrite(dialogMenuItem *self) 524{ 525 Device **devs; 526 char *cp; 527 int i; 528 529 if ((cp = variable_get(DISK_PARTITIONED)) && strcmp(cp, "yes")) 530 return DITEM_SUCCESS; 531 else if (!cp) { 532 msgConfirm("You must partition the disk(s) before this option can be used."); 533 return DITEM_FAILURE; 534 } 535 536 devs = deviceFind(NULL, DEVICE_TYPE_DISK); 537 if (!devs) { 538 msgConfirm("Unable to find any disks to write to??"); 539 return DITEM_FAILURE; 540 } 541 if (isDebug()) 542 msgDebug("diskPartitionWrite: Examining %d devices\n", deviceCount(devs)); 543 544 for (i = 0; devs[i]; i++) { 545 Chunk *c1; 546 Disk *d = (Disk *)devs[i]->private; 547 548 if (!devs[i]->enabled) 549 continue; 550 551 Set_Boot_Blocks(d, boot1, boot2); 552 msgNotify("Writing partition information to drive %s", d->name); 553 if (!Fake && Write_Disk(d)) { 554 msgConfirm("ERROR: Unable to write data to disk %s!", d->name); 555 return DITEM_FAILURE; 556 } 557 /* Now scan for bad blocks, if necessary */ 558 for (c1 = d->chunks->part; c1; c1 = c1->next) { 559 if (c1->flags & CHUNK_BAD144) { 560 int ret; 561 562 msgNotify("Running bad block scan on partition %s", c1->name); 563 if (!Fake) { 564 ret = vsystem("bad144 -v /dev/r%s 1234", c1->name); 565 if (ret) 566 msgConfirm("Bad144 init on %s returned status of %d!", c1->name, ret); 567 ret = vsystem("bad144 -v -s /dev/r%s", c1->name); 568 if (ret) 569 msgConfirm("Bad144 scan on %s returned status of %d!", c1->name, ret); 570 } 571 } 572 } 573 } 574 /* Now it's not "yes", but "written" */ 575 variable_set2(DISK_PARTITIONED, "written"); 576 return DITEM_SUCCESS; 577} 578