1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 29 /* All Rights Reserved */ 30 31 /* Copyright (c) 1987, 1988 Microsoft Corporation */ 32 /* All Rights Reserved */ 33 34 /* 35 * PROGRAM: fdisk(1M) 36 * This program reads the partition table on the specified device and 37 * also reads the drive parameters. The user can perform various 38 * operations from a supplied menu or from the command line. Diagnostic 39 * options are also available. 40 */ 41 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 #include <errno.h> 47 #include <fcntl.h> 48 #include <ctype.h> 49 #include <sys/stat.h> 50 #include <sys/types.h> 51 #include <limits.h> 52 #include <sys/param.h> 53 #include <sys/systeminfo.h> 54 #include <sys/efi_partition.h> 55 #include <sys/byteorder.h> 56 #include <sys/systeminfo.h> 57 58 #include <sys/dktp/fdisk.h> 59 #include <sys/dkio.h> 60 #include <sys/vtoc.h> 61 62 #define CLR_SCR "[1;1H[0J" 63 #define CLR_LIN "[0K" 64 #define HOME "[1;1H[0K[2;1H[0K[3;1H[0K[4;1H[0K[5;1H[0K" \ 65 "[6;1H[0K[7;1H[0K[8;1H[0K[9;1H[0K[10;1H[0K[1;1H" 66 #define Q_LINE "[22;1H[0K[21;1H[0K[20;1H[0K" 67 #define W_LINE "[12;1H[0K[11;1H[0K" 68 #define E_LINE "[24;1H[0K[23;1H[0K" 69 #define M_LINE "[13;1H[0K[14;1H[0K[15;1H[0K[16;1H[0K[17;1H" \ 70 "[0K[18;1H[0K[19;1H[0K[13;1H" 71 #define T_LINE "[1;1H[0K" 72 73 #define DEFAULT_PATH "/dev/rdsk/" 74 75 /* XXX - should be in fdisk.h, used by sd as well */ 76 77 /* 78 * the MAX values are the maximum usable values for BIOS chs values 79 * The MAX_CYL value of 1022 is the maximum usable value 80 * the value of 1023 is a fence value, 81 * indicating no CHS geometry exists for the corresponding LBA value. 82 * HEAD range [ 0 .. MAX_HEAD ], so number of heads is (MAX_HEAD + 1) 83 * SECT range [ 1 .. MAX_SECT ], so number of sectors is (MAX_SECT) 84 */ 85 #define MAX_SECT (63) 86 #define MAX_CYL (1022) 87 #define MAX_HEAD (254) 88 89 #define DK_MAX_2TB UINT32_MAX /* Max # of sectors in 2TB */ 90 91 /* for clear_vtoc() */ 92 #define OLD 0 93 #define NEW 1 94 95 /* readvtoc/writevtoc return codes */ 96 #define VTOC_OK 0 /* Good VTOC */ 97 #define VTOC_INVAL 1 /* invalid VTOC */ 98 #define VTOC_NOTSUP 2 /* operation not supported - EFI label */ 99 #define VTOC_RWERR 3 /* couldn't read or write VTOC */ 100 101 /* 102 * Support for fdisk(1M) on the SPARC platform 103 * In order to convert little endian values to big endian for SPARC, 104 * byte/short and long values must be swapped. 105 * These swapping macros will be used to access information in the 106 * mboot and ipart structures. 107 */ 108 109 #ifdef sparc 110 #define les(val) ((((val)&0xFF)<<8)|(((val)>>8)&0xFF)) 111 #define lel(val) (((unsigned)(les((val)&0x0000FFFF))<<16) | \ 112 (les((unsigned)((val)&0xffff0000)>>16))) 113 #else 114 #define les(val) (val) 115 #define lel(val) (val) 116 #endif 117 118 #if defined(_SUNOS_VTOC_16) 119 #define VTOC_OFFSET 1 120 #elif defined(_SUNOS_VTOC_8) 121 #define VTOC_OFFSET 0 122 #else 123 #error No VTOC format defined. 124 #endif 125 126 static char Usage[] = "Usage: fdisk\n" 127 "[ -A id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect ]\n" 128 "[ -b masterboot ]\n" 129 "[ -D id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect ]\n" 130 "[ -F fdisk_file ] [ -h ] [ -o offset ] [ -P fill_patt ] [ -s size ]\n" 131 "[ -S geom_file ] [ [ -v ] -W { creat_fdisk_file | - } ]\n" 132 "[ -w | r | d | n | I | B | E | g | G | R | t | T ] rdevice"; 133 134 static char Usage1[] = " Partition options:\n" 135 " -A id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect\n" 136 " Create a partition with specific attributes:\n" 137 " id = system id number (fdisk.h) for the partition type\n" 138 " act = active partition flag (0 is off and 128 is on)\n" 139 " bhead = beginning head for start of partition\n" 140 " bsect = beginning sector for start of partition\n" 141 " bcyl = beginning cylinder for start of partition\n" 142 " ehead = ending head for end of partition\n" 143 " esect = ending sector for end of partition\n" 144 " ecyl = ending cylinder for end of partition\n" 145 " rsect = sector number from start of disk for\n" 146 " start of partition\n" 147 " numsect = partition size in sectors\n" 148 " -b master_boot\n" 149 " Use master_boot as the master boot file.\n" 150 " -B Create one Solaris partition that uses the entire disk.\n" 151 " -E Create one EFI partition that uses the entire disk.\n" 152 " -D id:act:bhead:bsect:bcyl:ehead:esect:ecyl:rsect:numsect\n" 153 " Delete a partition. See attribute definitions for -A.\n" 154 " -F fdisk_file\n" 155 " Use fdisk_file to initialize on-line fdisk table.\n" 156 " -I Forego device checks. Generate a file image of what would go\n" 157 " on a disk using the geometry specified with the -S option.\n" 158 " -n Do not run in interactive mode.\n" 159 " -R Open the disk device as read-only.\n" 160 " -t Check and adjust VTOC to be consistent with fdisk table.\n" 161 " VTOC slices exceeding the partition size will be truncated.\n" 162 " -T Check and adjust VTOC to be consistent with fdisk table.\n" 163 " VTOC slices exceeding the partition size will be removed.\n" 164 " -W fdisk_file\n" 165 " Write on-disk table to fdisk_file.\n" 166 " -W - Write on-disk table to standard output.\n" 167 " -v Display virtual geometry. Must be used with the -W option.\n" 168 " Diagnostic options:\n" 169 " -d Activate debug information about progress.\n" 170 " -g Write label geometry to standard output:\n" 171 " PCYL number of physical cylinders\n" 172 " NCYL number of usable cylinders\n" 173 " ACYL number of alternate cylinders\n" 174 " BCYL cylinder offset\n" 175 " NHEADS number of heads\n" 176 " NSECTORS number of sectors per track\n" 177 " SECTSIZ size of a sector in bytes\n" 178 " -G Write physical geometry to standard output (see -g).\n" 179 " -h Issue this verbose help message.\n" 180 " -o offset\n" 181 " Block offset from start of disk (default 0). Ignored if\n" 182 " -P # specified.\n" 183 " -P fill_patt\n" 184 " Fill disk with pattern fill_patt. fill_patt can be decimal or\n" 185 " hexadecimal and is used as number for constant long word\n" 186 " pattern. If fill_patt is \"#\" then pattern of block #\n" 187 " for each block. Pattern is put in each block as long words\n" 188 " and fills each block (see -o and -s).\n" 189 " -r Read from a disk to stdout (see -o and -s).\n" 190 " -s size Number of blocks on which to perform operation (see -o).\n" 191 " -S geom_file\n" 192 " Use geom_file to set the label geometry (see -g).\n" 193 " -w Write to a disk from stdin (see -o and -s)."; 194 195 static char Ostr[] = "Other OS"; 196 static char Dstr[] = "DOS12"; 197 static char D16str[] = "DOS16"; 198 static char DDstr[] = "DOS-DATA"; 199 static char EDstr[] = "EXT-DOS"; 200 static char DBstr[] = "DOS-BIG"; 201 static char PCstr[] = "PCIX"; 202 static char Ustr[] = "UNIX System"; 203 static char SUstr[] = "Solaris"; 204 static char SU2str[] = "Solaris2"; 205 static char X86str[] = "x86 Boot"; 206 static char DIAGstr[] = "Diagnostic"; 207 static char IFSstr[] = "IFS: NTFS"; 208 static char AIXstr[] = "AIX Boot"; 209 static char AIXDstr[] = "AIX Data"; 210 static char OS2str[] = "OS/2 Boot"; 211 static char WINstr[] = "Win95 FAT32"; 212 static char EWINstr[] = "Ext Win95"; 213 static char FAT95str[] = "FAT16 LBA"; 214 static char EXTLstr[] = "EXT LBA"; 215 static char LINUXstr[] = "Linux"; 216 static char CPMstr[] = "CP/M"; 217 static char NOVstr[] = "Netware 3.x+"; 218 static char QNXstr[] = "QNX 4.x"; 219 static char QNX2str[] = "QNX part 2"; 220 static char QNX3str[] = "QNX part 3"; 221 static char LINNATstr[] = "Linux native"; 222 static char NTFSVOL1str[] = "NT volset 1"; 223 static char NTFSVOL2str[] = "NT volset 2"; 224 static char BSDstr[] = "BSD OS"; 225 static char NEXTSTEPstr[] = "NeXTSTEP"; 226 static char BSDIFSstr[] = "BSDI FS"; 227 static char BSDISWAPstr[] = "BSDI swap"; 228 static char Actvstr[] = "Active"; 229 static char EFIstr[] = "EFI"; 230 static char NAstr[] = " "; 231 232 /* All the user options and flags */ 233 static char *Dfltdev; /* name of fixed disk drive */ 234 235 /* Diagnostic options */ 236 static int io_wrt = 0; /* write stdin to disk (-w) */ 237 static int io_rd = 0; /* read disk and write stdout (-r) */ 238 static char *io_fatt; /* user supplied pattern (-P pattern) */ 239 static int io_patt = 0; /* write pattern to disk (-P pattern) */ 240 static int io_lgeom = 0; /* get label geometry (-g) */ 241 static int io_pgeom = 0; /* get drive physical geometry (-G) */ 242 static char *io_sgeom = 0; /* set label geometry (-S geom_file) */ 243 static int io_readonly = 0; /* do not write to disk (-R) */ 244 245 /* The -o offset and -s size options specify the area of the disk on */ 246 /* which to perform the particular operation; i.e., -P, -r, or -w. */ 247 static off_t io_offset = 0; /* offset sector (-o offset) */ 248 static off_t io_size = 0; /* size in sectors (-s size) */ 249 250 /* Partition table flags */ 251 static int v_flag = 0; /* virtual geometry-HBA flag (-v) */ 252 static int stdo_flag = 0; /* stdout flag (-W -) */ 253 static int io_fdisk = 0; /* do fdisk operation */ 254 static int io_ifdisk = 0; /* interactive partition */ 255 static int io_nifdisk = 0; /* non-interactive partition (-n) */ 256 257 static int io_adjt = 0; /* check/adjust VTOC (truncate (-t)) */ 258 static int io_ADJT = 0; /* check/adjust VTOC (delete (-T)) */ 259 static char *io_ffdisk = 0; /* input fdisk file name (-F file) */ 260 static char *io_Wfdisk = 0; /* output fdisk file name (-W file) */ 261 static char *io_Afdisk = 0; /* add entry to partition table (-A) */ 262 static char *io_Dfdisk = 0; /* delete entry from part. table (-D) */ 263 264 static char *io_mboot = 0; /* master boot record (-b boot_file) */ 265 266 static struct mboot BootCod; /* buffer for master boot record */ 267 268 static int io_wholedisk = 0; /* use whole disk for Solaris (-B) */ 269 static int io_EFIdisk = 0; /* use whole disk for EFI (-E) */ 270 static int io_debug = 0; /* activate verbose mode (-d) */ 271 static int io_image = 0; /* create image using geometry (-I) */ 272 273 static struct mboot *Bootblk; /* pointer to cut/paste sector zero */ 274 static char *Bootsect; /* pointer to sector zero buffer */ 275 static char *Nullsect; 276 static struct extvtoc disk_vtoc; /* verify VTOC table */ 277 static int vt_inval = 0; 278 static int no_virtgeom_ioctl = 0; /* ioctl for virtual geometry failed */ 279 static int no_physgeom_ioctl = 0; /* ioctl for physical geometry failed */ 280 281 static struct ipart Table[FD_NUMPART]; 282 static struct ipart Old_Table[FD_NUMPART]; 283 284 /* Disk geometry information */ 285 static struct dk_minfo minfo; 286 static struct dk_geom disk_geom; 287 288 static int Dev; /* fd for open device */ 289 290 static diskaddr_t dev_capacity; /* number of blocks on device */ 291 static diskaddr_t chs_capacity; /* Numcyl_usable * heads * sectors */ 292 293 static int Numcyl_usable; /* Number of usable cylinders */ 294 /* used to limit fdisk to 2TB */ 295 296 /* Physical geometry for the drive */ 297 static int Numcyl; /* number of cylinders */ 298 static int heads; /* number of heads */ 299 static int sectors; /* number of sectors per track */ 300 static int acyl; /* number of alternate sectors */ 301 302 /* HBA (virtual) geometry for the drive */ 303 static int hba_Numcyl; /* number of cylinders */ 304 static int hba_heads; /* number of heads */ 305 static int hba_sectors; /* number of sectors per track */ 306 307 static int sectsiz; /* sector size */ 308 309 /* Load functions for fdisk table modification */ 310 #define LOADFILE 0 /* load fdisk from file */ 311 #define LOADDEL 1 /* delete an fdisk entry */ 312 #define LOADADD 2 /* add an fdisk entry */ 313 314 #define CBUFLEN 80 315 static char s[CBUFLEN]; 316 317 static void update_disk_and_exit(boolean_t table_changed); 318 int main(int argc, char *argv[]); 319 static int read_geom(char *sgeom); 320 static void dev_mboot_read(void); 321 static void dev_mboot_write(off_t sect, char *buff, int bootsiz); 322 static void mboot_read(void); 323 static void fill_patt(void); 324 static void abs_read(void); 325 static void abs_write(void); 326 static void load(int funct, char *file); 327 static void Set_Table_CHS_Values(int ti); 328 static int insert_tbl(int id, int act, 329 int bhead, int bsect, int bcyl, 330 int ehead, int esect, int ecyl, 331 uint32_t rsect, uint32_t numsect); 332 static int verify_tbl(void); 333 static int pars_fdisk(char *line, 334 int *id, int *act, 335 int *bhead, int *bsect, int *bcyl, 336 int *ehead, int *esect, int *ecyl, 337 uint32_t *rsect, uint32_t *numsect); 338 static int validate_part(int id, uint32_t rsect, uint32_t numsect); 339 static void stage0(void); 340 static int pcreate(void); 341 static int specify(uchar_t tsystid); 342 static void dispmenu(void); 343 static int pchange(void); 344 static int ppartid(void); 345 static char pdelete(void); 346 static void rm_blanks(char *s); 347 static int getcyl(void); 348 static void disptbl(void); 349 static void print_Table(void); 350 static void copy_Table_to_Old_Table(void); 351 static void nulltbl(void); 352 static void copy_Bootblk_to_Table(void); 353 static void fill_ipart(char *bootptr, struct ipart *partp); 354 #ifdef sparc 355 uchar_t getbyte(char **bp); 356 uint32_t getlong(char **bp); 357 #endif 358 static void copy_Table_to_Bootblk(void); 359 static int TableChanged(void); 360 static void ffile_write(char *file); 361 static void fix_slice(void); 362 static int yesno(void); 363 static int readvtoc(void); 364 static int writevtoc(void); 365 static int efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc); 366 static int clear_efi(void); 367 static void clear_vtoc(int table, int part); 368 static int lecture_and_query(char *warning, char *devname); 369 static void sanity_check_provided_device(char *devname, int fd); 370 static char *get_node(char *devname); 371 372 static void 373 update_disk_and_exit(boolean_t table_changed) 374 { 375 if (table_changed) { 376 /* 377 * Copy the new table back to the sector buffer 378 * and write it to disk 379 */ 380 copy_Table_to_Bootblk(); 381 dev_mboot_write(0, Bootsect, sectsiz); 382 } 383 384 /* If the VTOC table is wrong fix it (truncation only) */ 385 if (io_adjt) 386 fix_slice(); 387 388 exit(0); 389 } 390 391 392 393 /* 394 * main 395 * Process command-line options. 396 */ 397 int 398 main(int argc, char *argv[]) 399 { 400 int c, i; 401 extern int optind; 402 extern char *optarg; 403 int errflg = 0; 404 int diag_cnt = 0; 405 int openmode; 406 407 setbuf(stderr, 0); /* so all output gets out on exit */ 408 setbuf(stdout, 0); 409 410 /* Process the options. */ 411 while ((c = getopt(argc, argv, "o:s:P:F:b:A:D:W:S:tTIhwvrndgGRBE")) 412 != EOF) { 413 switch (c) { 414 415 case 'o': 416 io_offset = (off_t)strtoull(optarg, 0, 0); 417 continue; 418 case 's': 419 io_size = (off_t)strtoull(optarg, 0, 0); 420 continue; 421 case 'P': 422 diag_cnt++; 423 io_patt++; 424 io_fatt = optarg; 425 continue; 426 case 'w': 427 diag_cnt++; 428 io_wrt++; 429 continue; 430 case 'r': 431 diag_cnt++; 432 io_rd++; 433 continue; 434 case 'd': 435 io_debug++; 436 continue; 437 case 'I': 438 io_image++; 439 continue; 440 case 'R': 441 io_readonly++; 442 continue; 443 case 'S': 444 diag_cnt++; 445 io_sgeom = optarg; 446 continue; 447 case 'T': 448 io_ADJT++; 449 /* FALLTHRU */ 450 case 't': 451 io_adjt++; 452 continue; 453 case 'B': 454 io_wholedisk++; 455 io_fdisk++; 456 continue; 457 case 'E': 458 io_EFIdisk++; 459 io_fdisk++; 460 continue; 461 case 'g': 462 diag_cnt++; 463 io_lgeom++; 464 continue; 465 case 'G': 466 diag_cnt++; 467 io_pgeom++; 468 continue; 469 case 'n': 470 io_nifdisk++; 471 io_fdisk++; 472 continue; 473 case 'F': 474 io_fdisk++; 475 io_ffdisk = optarg; 476 continue; 477 case 'b': 478 io_mboot = optarg; 479 continue; 480 case 'W': 481 /* 482 * If '-' is the -W argument, then write 483 * to standard output, otherwise write 484 * to the specified file. 485 */ 486 if (strncmp(optarg, "-", 1) == 0) 487 stdo_flag = 1; 488 else 489 io_Wfdisk = optarg; 490 io_fdisk++; 491 continue; 492 case 'A': 493 io_fdisk++; 494 io_Afdisk = optarg; 495 continue; 496 case 'D': 497 io_fdisk++; 498 io_Dfdisk = optarg; 499 continue; 500 case 'h': 501 (void) fprintf(stderr, "%s\n", Usage); 502 (void) fprintf(stderr, "%s\n", Usage1); 503 exit(0); 504 /* FALLTHRU */ 505 case 'v': 506 v_flag = 1; 507 continue; 508 case '?': 509 errflg++; 510 break; 511 } 512 break; 513 } 514 515 if (io_image && io_sgeom && diag_cnt == 1) { 516 diag_cnt = 0; 517 } 518 519 /* User option checking */ 520 521 /* By default, run in interactive mode */ 522 if (!io_fdisk && !diag_cnt && !io_nifdisk) { 523 io_ifdisk++; 524 io_fdisk++; 525 } 526 if (((io_fdisk || io_adjt) && diag_cnt) || (diag_cnt > 1)) { 527 errflg++; 528 } 529 530 /* Was any error detected? */ 531 if (errflg || argc == optind) { 532 (void) fprintf(stderr, "%s\n", Usage); 533 (void) fprintf(stderr, 534 "\nDetailed help is available with the -h option.\n"); 535 exit(2); 536 } 537 538 539 /* Figure out the correct device node to open */ 540 Dfltdev = get_node(argv[optind]); 541 542 if (io_readonly) 543 openmode = O_RDONLY; 544 else 545 openmode = O_RDWR|O_CREAT; 546 547 if ((Dev = open(Dfltdev, openmode, 0666)) == -1) { 548 (void) fprintf(stderr, 549 "fdisk: Cannot open device %s.\n", 550 Dfltdev); 551 exit(1); 552 } 553 /* 554 * not all disk (or disklike) drivers support DKIOCGMEDIAINFO 555 * in that case leave the minfo structure zeroed 556 */ 557 if (ioctl(Dev, DKIOCGMEDIAINFO, &minfo)) { 558 memset(&minfo, 0, sizeof (minfo)); 559 } 560 561 /* Get the disk geometry */ 562 if (!io_image) { 563 /* Get disk's HBA (virtual) geometry */ 564 errno = 0; 565 if (ioctl(Dev, DKIOCG_VIRTGEOM, &disk_geom)) { 566 567 /* 568 * If ioctl isn't implemented on this platform, then 569 * turn off flag to print out virtual geometry (-v), 570 * otherwise use the virtual geometry. 571 */ 572 573 if (errno == ENOTTY) { 574 v_flag = 0; 575 no_virtgeom_ioctl = 1; 576 } else if (errno == EINVAL) { 577 /* 578 * This means that the ioctl exists, but 579 * is invalid for this disk, meaning the 580 * disk doesn't have an HBA geometry 581 * (like, say, it's larger than 8GB). 582 */ 583 v_flag = 0; 584 hba_Numcyl = hba_heads = hba_sectors = 0; 585 } else { 586 (void) fprintf(stderr, 587 "%s: Cannot get virtual disk geometry.\n", 588 argv[optind]); 589 exit(1); 590 } 591 } else { 592 /* save virtual geometry values obtained by ioctl */ 593 hba_Numcyl = disk_geom.dkg_ncyl; 594 hba_heads = disk_geom.dkg_nhead; 595 hba_sectors = disk_geom.dkg_nsect; 596 } 597 598 errno = 0; 599 if (ioctl(Dev, DKIOCG_PHYGEOM, &disk_geom)) { 600 if (errno == ENOTTY) { 601 no_physgeom_ioctl = 1; 602 } else { 603 (void) fprintf(stderr, 604 "%s: Cannot get physical disk geometry.\n", 605 argv[optind]); 606 exit(1); 607 } 608 609 } 610 /* 611 * Call DKIOCGGEOM if the ioctls for physical and virtual 612 * geometry fail. Get both from this generic call. 613 */ 614 if (no_virtgeom_ioctl && no_physgeom_ioctl) { 615 errno = 0; 616 if (ioctl(Dev, DKIOCGGEOM, &disk_geom)) { 617 (void) fprintf(stderr, 618 "%s: Cannot get disk label geometry.\n", 619 argv[optind]); 620 exit(1); 621 } 622 } 623 624 Numcyl = disk_geom.dkg_ncyl; 625 heads = disk_geom.dkg_nhead; 626 sectors = disk_geom.dkg_nsect; 627 sectsiz = 512; 628 acyl = disk_geom.dkg_acyl; 629 630 /* 631 * if hba geometry was not set by DKIOC_VIRTGEOM 632 * or we got an invalid hba geometry 633 * then set hba geometry based on max values 634 */ 635 if (no_virtgeom_ioctl || 636 disk_geom.dkg_ncyl == 0 || 637 disk_geom.dkg_nhead == 0 || 638 disk_geom.dkg_nsect == 0 || 639 disk_geom.dkg_ncyl > MAX_CYL || 640 disk_geom.dkg_nhead > MAX_HEAD || 641 disk_geom.dkg_nsect > MAX_SECT) { 642 643 /* 644 * turn off flag to print out virtual geometry (-v) 645 */ 646 v_flag = 0; 647 hba_sectors = MAX_SECT; 648 hba_heads = MAX_HEAD + 1; 649 hba_Numcyl = (Numcyl * heads * sectors) / 650 (hba_sectors * hba_heads); 651 } 652 653 if (io_debug) { 654 (void) fprintf(stderr, "Physical Geometry:\n"); 655 (void) fprintf(stderr, 656 " cylinders[%d] heads[%d] sectors[%d]\n" 657 " sector size[%d] blocks[%d] mbytes[%d]\n", 658 Numcyl, 659 heads, 660 sectors, 661 sectsiz, 662 Numcyl * heads * sectors, 663 (Numcyl * heads * sectors * sectsiz) / 1048576); 664 (void) fprintf(stderr, "Virtual (HBA) Geometry:\n"); 665 (void) fprintf(stderr, 666 " cylinders[%d] heads[%d] sectors[%d]\n" 667 " sector size[%d] blocks[%d] mbytes[%d]\n", 668 hba_Numcyl, 669 hba_heads, 670 hba_sectors, 671 sectsiz, 672 hba_Numcyl * hba_heads * hba_sectors, 673 (hba_Numcyl * hba_heads * hba_sectors * sectsiz) / 674 1048576); 675 } 676 } 677 678 /* If user has requested a geometry report just do it and exit */ 679 if (io_lgeom) { 680 if (ioctl(Dev, DKIOCGGEOM, &disk_geom)) { 681 (void) fprintf(stderr, 682 "%s: Cannot get disk label geometry.\n", 683 argv[optind]); 684 exit(1); 685 } 686 Numcyl = disk_geom.dkg_ncyl; 687 heads = disk_geom.dkg_nhead; 688 sectors = disk_geom.dkg_nsect; 689 sectsiz = 512; 690 acyl = disk_geom.dkg_acyl; 691 (void) printf("* Label geometry for device %s\n", Dfltdev); 692 (void) printf( 693 "* PCYL NCYL ACYL BCYL NHEAD NSECT" 694 " SECSIZ\n"); 695 (void) printf(" %-8d %-8d %-8d %-8d %-5d %-5d %-6d\n", 696 Numcyl, 697 disk_geom.dkg_ncyl, 698 disk_geom.dkg_acyl, 699 disk_geom.dkg_bcyl, 700 heads, 701 sectors, 702 sectsiz); 703 exit(0); 704 } else if (io_pgeom) { 705 if (ioctl(Dev, DKIOCG_PHYGEOM, &disk_geom)) { 706 (void) fprintf(stderr, 707 "%s: Cannot get physical disk geometry.\n", 708 argv[optind]); 709 exit(1); 710 } 711 (void) printf("* Physical geometry for device %s\n", Dfltdev); 712 (void) printf( 713 "* PCYL NCYL ACYL BCYL NHEAD NSECT" 714 " SECSIZ\n"); 715 (void) printf(" %-8d %-8d %-8d %-8d %-5d %-5d %-6d\n", 716 disk_geom.dkg_pcyl, 717 disk_geom.dkg_ncyl, 718 disk_geom.dkg_acyl, 719 disk_geom.dkg_bcyl, 720 disk_geom.dkg_nhead, 721 disk_geom.dkg_nsect, 722 sectsiz); 723 exit(0); 724 } else if (io_sgeom) { 725 if (read_geom(io_sgeom)) { 726 exit(1); 727 } else if (!io_image) { 728 exit(0); 729 } 730 } 731 732 /* 733 * some drivers may not support DKIOCGMEDIAINFO 734 * in that case use CHS 735 */ 736 chs_capacity = (diskaddr_t)Numcyl * heads * sectors; 737 dev_capacity = chs_capacity; 738 Numcyl_usable = Numcyl; 739 740 if (chs_capacity > DK_MAX_2TB) { 741 /* limit to 2TB */ 742 Numcyl_usable = DK_MAX_2TB / (heads * sectors); 743 chs_capacity = (diskaddr_t)Numcyl_usable * heads * sectors; 744 } 745 746 if (minfo.dki_capacity > 0) 747 dev_capacity = minfo.dki_capacity; 748 749 /* Allocate memory to hold three complete sectors */ 750 Bootsect = (char *)malloc(3 * sectsiz); 751 if (Bootsect == NULL) { 752 (void) fprintf(stderr, 753 "fdisk: Unable to obtain enough buffer memory" 754 " (%d bytes).\n", 755 3 * sectsiz); 756 exit(1); 757 } 758 759 Nullsect = Bootsect + sectsiz; 760 /* Zero out the "NULL" sector */ 761 for (i = 0; i < sectsiz; i++) { 762 Nullsect[i] = 0; 763 } 764 765 /* Find out what the user wants done */ 766 if (io_rd) { /* abs disk read */ 767 abs_read(); /* will not return */ 768 } else if (io_wrt && !io_readonly) { 769 abs_write(); /* will not return */ 770 } else if (io_patt && !io_readonly) { 771 fill_patt(); /* will not return */ 772 } 773 774 775 /* This is the fdisk edit, the real reason for the program. */ 776 777 sanity_check_provided_device(Dfltdev, Dev); 778 779 /* Get the new BOOT program in case we write a new fdisk table */ 780 mboot_read(); 781 782 /* Read from disk master boot */ 783 dev_mboot_read(); 784 785 /* 786 * Verify and copy the device's fdisk table. This will be used 787 * as the prototype mboot if the device's mboot looks invalid. 788 */ 789 Bootblk = (struct mboot *)Bootsect; 790 copy_Bootblk_to_Table(); 791 792 /* save away a copy of Table in Old_Table for sensing changes */ 793 copy_Table_to_Old_Table(); 794 795 /* Load fdisk table from specified file (-F fdisk_file) */ 796 if (io_ffdisk) { 797 /* Load and verify user-specified table parameters */ 798 load(LOADFILE, io_ffdisk); 799 } 800 801 /* Does user want to delete or add an entry? */ 802 if (io_Dfdisk) { 803 load(LOADDEL, io_Dfdisk); 804 } 805 if (io_Afdisk) { 806 load(LOADADD, io_Afdisk); 807 } 808 809 if (!io_ffdisk && !io_Afdisk && !io_Dfdisk) { 810 /* Check if there is no fdisk table */ 811 if (Table[0].systid == UNUSED || io_wholedisk || io_EFIdisk) { 812 if (io_ifdisk && !io_wholedisk && !io_EFIdisk) { 813 (void) printf( 814 "No fdisk table exists. The default" 815 " partition for the disk is:\n\n" 816 " a 100%% \"SOLARIS System\" " 817 "partition\n\n" 818 "Type \"y\" to accept the default " 819 "partition, otherwise type \"n\" to " 820 "edit the\n partition table.\n"); 821 822 if (Numcyl > Numcyl_usable) 823 (void) printf("WARNING: Disk is larger" 824 " than 2TB. Solaris partition will" 825 " be limited to 2 TB.\n"); 826 } 827 828 /* Edit the partition table as directed */ 829 if (io_wholedisk ||(io_ifdisk && yesno())) { 830 831 /* Default scenario */ 832 nulltbl(); 833 /* now set up UNIX System partition */ 834 Table[0].bootid = ACTIVE; 835 Table[0].relsect = lel(heads * sectors); 836 837 Table[0].numsect = 838 lel((ulong_t)((Numcyl_usable - 1) * 839 heads * sectors)); 840 841 Table[0].systid = SUNIXOS2; /* Solaris */ 842 843 /* calculate CHS values for table entry 0 */ 844 Set_Table_CHS_Values(0); 845 update_disk_and_exit(B_TRUE); 846 } else if (io_EFIdisk) { 847 /* create an EFI partition for the whole disk */ 848 nulltbl(); 849 i = insert_tbl(EFI_PMBR, 0, 0, 0, 0, 0, 0, 0, 1, 850 (dev_capacity > DK_MAX_2TB) ? DK_MAX_2TB : 851 (dev_capacity - 1)); 852 if (i != 0) { 853 (void) fprintf(stderr, 854 "Error creating EFI partition\n"); 855 exit(1); 856 } 857 update_disk_and_exit(B_TRUE); 858 } 859 } 860 } 861 862 /* Display complete fdisk table entries for debugging purposes */ 863 if (io_debug) { 864 (void) fprintf(stderr, "Partition Table Entry Values:\n"); 865 print_Table(); 866 if (io_ifdisk) { 867 (void) fprintf(stderr, "\n"); 868 (void) fprintf(stderr, "Press Enter to continue.\n"); 869 (void) gets(s); 870 } 871 } 872 873 /* Interactive fdisk mode */ 874 if (io_ifdisk) { 875 (void) printf(CLR_SCR); 876 disptbl(); 877 for (;;) { 878 stage0(); 879 copy_Bootblk_to_Table(); 880 disptbl(); 881 } 882 } 883 884 /* If user wants to write the table to a file, do it */ 885 if (io_Wfdisk) 886 ffile_write(io_Wfdisk); 887 else if (stdo_flag) 888 ffile_write((char *)stdout); 889 890 update_disk_and_exit(TableChanged() == 1); 891 return (0); 892 } 893 894 /* 895 * read_geom 896 * Read geometry from specified file (-S). 897 */ 898 899 static int 900 read_geom(char *sgeom) 901 { 902 char line[256]; 903 FILE *fp; 904 905 /* open the prototype file */ 906 if ((fp = fopen(sgeom, "r")) == NULL) { 907 (void) fprintf(stderr, "fdisk: Cannot open file %s.\n", 908 io_sgeom); 909 return (1); 910 } 911 912 /* Read a line from the file */ 913 while (fgets(line, sizeof (line) - 1, fp)) { 914 if (line[0] == '\0' || line[0] == '\n' || line[0] == '*') 915 continue; 916 else { 917 line[strlen(line)] = '\0'; 918 if (sscanf(line, "%hu %hu %hu %hu %hu %hu %d", 919 &disk_geom.dkg_pcyl, 920 &disk_geom.dkg_ncyl, 921 &disk_geom.dkg_acyl, 922 &disk_geom.dkg_bcyl, 923 &disk_geom.dkg_nhead, 924 &disk_geom.dkg_nsect, 925 §siz) != 7) { 926 (void) fprintf(stderr, 927 "Syntax error:\n \"%s\".\n", 928 line); 929 return (1); 930 } 931 break; 932 } /* else */ 933 } /* while (fgets(line, sizeof (line) - 1, fp)) */ 934 935 if (!io_image) { 936 if (ioctl(Dev, DKIOCSGEOM, &disk_geom)) { 937 (void) fprintf(stderr, 938 "fdisk: Cannot set label geometry.\n"); 939 return (1); 940 } 941 } else { 942 Numcyl = hba_Numcyl = disk_geom.dkg_ncyl; 943 heads = hba_heads = disk_geom.dkg_nhead; 944 sectors = hba_sectors = disk_geom.dkg_nsect; 945 acyl = disk_geom.dkg_acyl; 946 } 947 948 (void) fclose(fp); 949 return (0); 950 } 951 952 /* 953 * dev_mboot_read 954 * Read the master boot sector from the device. 955 */ 956 static void 957 dev_mboot_read(void) 958 { 959 if ((ioctl(Dev, DKIOCGMBOOT, Bootsect) < 0) && (errno != ENOTTY)) { 960 perror("Error in ioctl DKIOCGMBOOT"); 961 } 962 if (errno == 0) 963 return; 964 if (lseek(Dev, 0, SEEK_SET) == -1) { 965 (void) fprintf(stderr, 966 "fdisk: Error seeking to partition table on %s.\n", 967 Dfltdev); 968 if (!io_image) 969 exit(1); 970 } 971 if (read(Dev, Bootsect, sectsiz) != sectsiz) { 972 (void) fprintf(stderr, 973 "fdisk: Error reading partition table from %s.\n", 974 Dfltdev); 975 if (!io_image) 976 exit(1); 977 } 978 } 979 980 /* 981 * dev_mboot_write 982 * Write the master boot sector to the device. 983 */ 984 static void 985 dev_mboot_write(off_t sect, char *buff, int bootsiz) 986 { 987 int new_pt, old_pt, error; 988 int clr_efi = -1; 989 990 if (io_readonly) 991 return; 992 993 if (io_debug) { 994 (void) fprintf(stderr, "About to write fdisk table:\n"); 995 print_Table(); 996 if (io_ifdisk) { 997 (void) fprintf(stderr, "Press Enter to continue.\n"); 998 (void) gets(s); 999 } 1000 } 1001 1002 /* 1003 * If the new table has any Solaris partitions and the old 1004 * table does not have an entry that describes it 1005 * exactly then clear the old vtoc (if any). 1006 */ 1007 for (new_pt = 0; new_pt < FD_NUMPART; new_pt++) { 1008 1009 /* We only care about potential Solaris parts. */ 1010 if (Table[new_pt].systid != SUNIXOS && 1011 Table[new_pt].systid != SUNIXOS2) 1012 continue; 1013 1014 /* Does the old table have an exact entry for the new entry? */ 1015 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1016 1017 /* We only care about old Solaris partitions. */ 1018 if ((Old_Table[old_pt].systid == SUNIXOS) || 1019 (Old_Table[old_pt].systid == SUNIXOS2)) { 1020 1021 /* Is this old one the same as a new one? */ 1022 if ((Old_Table[old_pt].relsect == 1023 Table[new_pt].relsect) && 1024 (Old_Table[old_pt].numsect == 1025 Table[new_pt].numsect)) 1026 break; /* Yes */ 1027 } 1028 } 1029 1030 /* Did a solaris partition change location or size? */ 1031 if (old_pt >= FD_NUMPART) { 1032 /* Yes clear old vtoc */ 1033 if (io_debug) { 1034 (void) fprintf(stderr, 1035 "Clearing VTOC labels from NEW" 1036 " table\n"); 1037 } 1038 clear_vtoc(NEW, new_pt); 1039 } 1040 } 1041 1042 1043 /* see if the old table had EFI */ 1044 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1045 if (Old_Table[old_pt].systid == EFI_PMBR) { 1046 clr_efi = old_pt; 1047 } 1048 } 1049 1050 /* look to see if a EFI partition changed in relsect/numsect */ 1051 for (new_pt = 0; new_pt < FD_NUMPART; new_pt++) { 1052 if (Table[new_pt].systid != EFI_PMBR) 1053 continue; 1054 for (old_pt = 0; old_pt < FD_NUMPART; old_pt++) { 1055 if ((Old_Table[old_pt].systid == 1056 Table[new_pt].systid) && 1057 (Old_Table[old_pt].relsect == 1058 Table[new_pt].relsect) && 1059 (Old_Table[old_pt].numsect == 1060 Table[new_pt].numsect)) 1061 break; 1062 } 1063 1064 /* 1065 * if EFI partition changed, set the flag to clear 1066 * the EFI GPT 1067 */ 1068 if (old_pt == FD_NUMPART && Table[new_pt].begcyl != 0) { 1069 clr_efi = 0; 1070 } 1071 break; 1072 } 1073 1074 /* clear labels if necessary */ 1075 if (clr_efi >= 0) { 1076 if (io_debug) { 1077 (void) fprintf(stderr, "Clearing EFI labels\n"); 1078 } 1079 if ((error = clear_efi()) != 0) { 1080 if (io_debug) { 1081 (void) fprintf(stderr, 1082 "\tError %d clearing EFI labels" 1083 " (probably no EFI labels exist)\n", 1084 error); 1085 } 1086 } 1087 } 1088 1089 if ((ioctl(Dev, DKIOCSMBOOT, buff) == -1) && (errno != ENOTTY)) { 1090 (void) fprintf(stderr, 1091 "fdisk: Error in ioctl DKIOCSMBOOT on %s.\n", 1092 Dfltdev); 1093 } 1094 if (errno == 0) 1095 return; 1096 1097 /* write to disk drive */ 1098 if (lseek(Dev, sect, SEEK_SET) == -1) { 1099 (void) fprintf(stderr, 1100 "fdisk: Error seeking to master boot record on %s.\n", 1101 Dfltdev); 1102 exit(1); 1103 } 1104 if (write(Dev, buff, bootsiz) != bootsiz) { 1105 (void) fprintf(stderr, 1106 "fdisk: Error writing master boot record to %s.\n", 1107 Dfltdev); 1108 exit(1); 1109 } 1110 } 1111 1112 /* 1113 * mboot_read 1114 * Read the prototype boot records from the files. 1115 */ 1116 static void 1117 mboot_read(void) 1118 { 1119 int mDev, i; 1120 struct ipart *part; 1121 1122 #if defined(i386) || defined(sparc) 1123 /* 1124 * If the master boot file hasn't been specified, use the 1125 * implementation architecture name to generate the default one. 1126 */ 1127 if (io_mboot == (char *)0) { 1128 /* 1129 * Bug ID 1249035: 1130 * The mboot file must be delivered on all platforms 1131 * and installed in a non-platform-dependent 1132 * directory; i.e., /usr/lib/fs/ufs. 1133 */ 1134 io_mboot = "/usr/lib/fs/ufs/mboot"; 1135 } 1136 1137 /* First read in the master boot record */ 1138 1139 /* Open the master boot proto file */ 1140 if ((mDev = open(io_mboot, O_RDONLY, 0666)) == -1) { 1141 (void) fprintf(stderr, 1142 "fdisk: Cannot open master boot file %s.\n", 1143 io_mboot); 1144 exit(1); 1145 } 1146 1147 /* Read the master boot program */ 1148 if (read(mDev, &BootCod, sizeof (struct mboot)) != sizeof 1149 (struct mboot)) { 1150 (void) fprintf(stderr, 1151 "fdisk: Cannot read master boot file %s.\n", 1152 io_mboot); 1153 exit(1); 1154 } 1155 1156 /* Is this really a master boot record? */ 1157 if (les(BootCod.signature) != MBB_MAGIC) { 1158 (void) fprintf(stderr, 1159 "fdisk: Invalid master boot file %s.\n", io_mboot); 1160 (void) fprintf(stderr, 1161 "Bad magic number: is %x, but should be %x.\n", 1162 les(BootCod.signature), MBB_MAGIC); 1163 exit(1); 1164 } 1165 1166 (void) close(mDev); 1167 #else 1168 #error fdisk needs to be ported to new architecture 1169 #endif 1170 1171 /* Zero out the partitions part of this record */ 1172 part = (struct ipart *)BootCod.parts; 1173 for (i = 0; i < FD_NUMPART; i++, part++) { 1174 (void) memset(part, 0, sizeof (struct ipart)); 1175 } 1176 1177 } 1178 1179 /* 1180 * fill_patt 1181 * Fill the disk with user/sector number pattern. 1182 */ 1183 static void 1184 fill_patt(void) 1185 { 1186 int *buff_ptr, i; 1187 off_t *off_ptr; 1188 int io_fpatt = 0; 1189 int io_ipatt = 0; 1190 1191 if (strncmp(io_fatt, "#", 1) != 0) { 1192 io_fpatt++; 1193 io_ipatt = strtoul(io_fatt, 0, 0); 1194 buff_ptr = (int *)Bootsect; 1195 for (i = 0; i < sectsiz; i += 4, buff_ptr++) 1196 *buff_ptr = io_ipatt; 1197 } 1198 1199 /* 1200 * Fill disk with pattern based on block number. 1201 * Write to the disk at absolute relative block io_offset 1202 * for io_size blocks. 1203 */ 1204 while (io_size--) { 1205 off_ptr = (off_t *)Bootsect; 1206 if (!io_fpatt) { 1207 for (i = 0; i < sectsiz; 1208 i += sizeof (off_t), off_ptr++) 1209 *off_ptr = io_offset; 1210 } 1211 /* Write the data to disk */ 1212 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1213 SEEK_SET) == -1) { 1214 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1215 Dfltdev); 1216 exit(1); 1217 } 1218 if (write(Dev, Bootsect, sectsiz) != sectsiz) { 1219 (void) fprintf(stderr, "fdisk: Error writing %s.\n", 1220 Dfltdev); 1221 exit(1); 1222 } 1223 } /* while (--io_size); */ 1224 } 1225 1226 /* 1227 * abs_read 1228 * Read from the disk at absolute relative block io_offset for 1229 * io_size blocks. Write the data to standard ouput (-r). 1230 */ 1231 static void 1232 abs_read(void) 1233 { 1234 int c; 1235 1236 while (io_size--) { 1237 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1238 SEEK_SET) == -1) { 1239 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1240 Dfltdev); 1241 exit(1); 1242 } 1243 if (read(Dev, Bootsect, sectsiz) != sectsiz) { 1244 (void) fprintf(stderr, "fdisk: Error reading %s.\n", 1245 Dfltdev); 1246 exit(1); 1247 } 1248 1249 /* Write to standard ouptut */ 1250 if ((c = write(1, Bootsect, (unsigned)sectsiz)) != sectsiz) { 1251 if (c >= 0) { 1252 if (io_debug) 1253 (void) fprintf(stderr, 1254 "fdisk: Output warning: %d of %d" 1255 " characters written.\n", 1256 c, sectsiz); 1257 exit(2); 1258 } else { 1259 perror("write error on output file."); 1260 exit(2); 1261 } 1262 } /* if ((c = write(1, Bootsect, (unsigned)sectsiz)) */ 1263 /* != sectsiz) */ 1264 } /* while (--io_size); */ 1265 exit(0); 1266 } 1267 1268 /* 1269 * abs_write 1270 * Read the data from standard input. Write to the disk at 1271 * absolute relative block io_offset for io_size blocks (-w). 1272 */ 1273 static void 1274 abs_write(void) 1275 { 1276 int c, i; 1277 1278 while (io_size--) { 1279 int part_exit = 0; 1280 /* Read from standard input */ 1281 if ((c = read(0, Bootsect, (unsigned)sectsiz)) != sectsiz) { 1282 if (c >= 0) { 1283 if (io_debug) 1284 (void) fprintf(stderr, 1285 "fdisk: WARNING: Incomplete read (%d of" 1286 " %d characters read) on input file.\n", 1287 c, sectsiz); 1288 /* Fill pattern to mark partial sector in buf */ 1289 for (i = c; i < sectsiz; ) { 1290 Bootsect[i++] = 0x41; 1291 Bootsect[i++] = 0x62; 1292 Bootsect[i++] = 0x65; 1293 Bootsect[i++] = 0; 1294 } 1295 part_exit++; 1296 } else { 1297 perror("read error on input file."); 1298 exit(2); 1299 } 1300 1301 } 1302 /* Write to disk drive */ 1303 if (lseek(Dev, (off_t)(sectsiz * io_offset++), 1304 SEEK_SET) == -1) { 1305 (void) fprintf(stderr, "fdisk: Error seeking on %s.\n", 1306 Dfltdev); 1307 exit(1); 1308 } 1309 if (write(Dev, Bootsect, sectsiz) != sectsiz) { 1310 (void) fprintf(stderr, "fdisk: Error writing %s.\n", 1311 Dfltdev); 1312 exit(1); 1313 } 1314 if (part_exit) 1315 exit(0); 1316 } /* while (--io_size); */ 1317 exit(1); 1318 } 1319 1320 1321 /* 1322 * load 1323 * Load will either read the fdisk table from a file or add or 1324 * delete an entry (-A, -D, -F). 1325 */ 1326 1327 static void 1328 load(int funct, char *file) 1329 { 1330 int id; 1331 int act; 1332 int bhead; 1333 int bsect; 1334 int bcyl; 1335 int ehead; 1336 int esect; 1337 int ecyl; 1338 uint32_t rsect; 1339 uint32_t numsect; 1340 char line[256]; 1341 int i = 0; 1342 int j; 1343 FILE *fp; 1344 1345 switch (funct) { 1346 1347 case LOADFILE: 1348 1349 /* 1350 * Zero out the table before loading it, which will 1351 * force it to be updated on disk later (-F 1352 * fdisk_file). 1353 */ 1354 nulltbl(); 1355 1356 /* Open the prototype file */ 1357 if ((fp = fopen(file, "r")) == NULL) { 1358 (void) fprintf(stderr, 1359 "fdisk: Cannot open prototype partition file %s.\n", 1360 file); 1361 exit(1); 1362 } 1363 1364 /* Read a line from the file */ 1365 while (fgets(line, sizeof (line) - 1, fp)) { 1366 if (pars_fdisk(line, &id, &act, &bhead, &bsect, 1367 &bcyl, &ehead, &esect, &ecyl, &rsect, &numsect)) { 1368 continue; 1369 } 1370 1371 /* 1372 * Validate the partition. It cannot start at sector 1373 * 0 unless it is UNUSED or already exists 1374 */ 1375 if (validate_part(id, rsect, numsect) < 0) { 1376 (void) fprintf(stderr, 1377 "fdisk: Error on entry \"%s\".\n", 1378 line); 1379 exit(1); 1380 } 1381 /* 1382 * Find an unused entry to use and put the entry 1383 * in table 1384 */ 1385 if (insert_tbl(id, act, bhead, bsect, bcyl, ehead, 1386 esect, ecyl, rsect, numsect) < 0) { 1387 (void) fprintf(stderr, 1388 "fdisk: Error on entry \"%s\".\n", 1389 line); 1390 exit(1); 1391 } 1392 } /* while (fgets(line, sizeof (line) - 1, fp)) */ 1393 1394 if (verify_tbl() < 0) { 1395 (void) fprintf(stderr, 1396 "fdisk: Cannot create partition table\n"); 1397 exit(1); 1398 } 1399 1400 (void) fclose(fp); 1401 return; 1402 1403 case LOADDEL: 1404 1405 /* Parse the user-supplied deletion line (-D) */ 1406 if (pars_fdisk(file, &id, &act, &bhead, &bsect, &bcyl, 1407 &ehead, &esect, &ecyl, &rsect, &numsect)) { 1408 (void) fprintf(stderr, 1409 "fdisk: Syntax error \"%s\"\n", file); 1410 exit(1); 1411 } 1412 1413 /* Find the exact entry in the table */ 1414 for (i = 0; i < FD_NUMPART; i++) { 1415 if (Table[i].systid == id && 1416 Table[i].bootid == act && 1417 Table[i].beghead == bhead && 1418 Table[i].begsect == ((bsect & 0x3f) | 1419 (uchar_t)((bcyl>>2) & 0xc0)) && 1420 Table[i].begcyl == (uchar_t)(bcyl & 0xff) && 1421 Table[i].endhead == ehead && 1422 Table[i].endsect == ((esect & 0x3f) | 1423 (uchar_t)((ecyl>>2) & 0xc0)) && 1424 Table[i].endcyl == (uchar_t)(ecyl & 0xff) && 1425 Table[i].relsect == lel(rsect) && 1426 Table[i].numsect == lel(numsect)) { 1427 1428 /* 1429 * Found the entry. Now move rest of 1430 * entries up toward the top of the 1431 * table, leaving available entries at 1432 * the end of the fdisk table. 1433 */ 1434 for (j = i; j < FD_NUMPART - 1; j++) { 1435 Table[j].systid = Table[j + 1].systid; 1436 Table[j].bootid = Table[j + 1].bootid; 1437 Table[j].beghead = Table[j + 1].beghead; 1438 Table[j].begsect = Table[j + 1].begsect; 1439 Table[j].begcyl = Table[j + 1].begcyl; 1440 Table[j].endhead = Table[j + 1].endhead; 1441 Table[j].endsect = Table[j + 1].endsect; 1442 Table[j].endcyl = Table[j + 1].endcyl; 1443 Table[j].relsect = Table[j + 1].relsect; 1444 Table[j].numsect = Table[j + 1].numsect; 1445 } 1446 1447 /* 1448 * Mark the last entry as unused in case 1449 * all table entries were in use prior 1450 * to the deletion. 1451 */ 1452 1453 Table[FD_NUMPART - 1].systid = UNUSED; 1454 Table[FD_NUMPART - 1].bootid = 0; 1455 return; 1456 } 1457 } 1458 (void) fprintf(stderr, 1459 "fdisk: Entry does not match any existing partition:\n" 1460 " \"%s\"\n", 1461 file); 1462 exit(1); 1463 /* FALLTHRU */ 1464 1465 case LOADADD: 1466 1467 /* Parse the user-supplied addition line (-A) */ 1468 if (pars_fdisk(file, &id, &act, &bhead, &bsect, &bcyl, &ehead, 1469 &esect, &ecyl, &rsect, &numsect)) { 1470 (void) fprintf(stderr, 1471 "fdisk: Syntax error \"%s\"\n", file); 1472 exit(1); 1473 } 1474 1475 /* Validate the partition. It cannot start at sector 0 */ 1476 if (rsect == 0) { 1477 (void) fprintf(stderr, 1478 "fdisk: New partition cannot start at sector 0:\n" 1479 " \"%s\".\n", 1480 file); 1481 exit(1); 1482 } 1483 1484 /* 1485 * if the user wishes to add an EFI partition, we need 1486 * more extensive validation. rsect should be 1, and 1487 * numsect should equal the entire disk capacity - 1 1488 */ 1489 1490 if (id == EFI_PMBR) { 1491 if (rsect != 1) { 1492 (void) fprintf(stderr, 1493 "fdisk: EFI partitions must start at sector" 1494 " 1 (input rsect = %d)\n", rsect); 1495 exit(1); 1496 } 1497 1498 1499 if (dev_capacity > DK_MAX_2TB) { 1500 if (numsect != DK_MAX_2TB) { 1501 (void) fprintf(stderr, 1502 "fdisk: EFI partitions must " 1503 "encompass the entire maximum 2 TB " 1504 "(input numsect: %u - max: %llu)\n", 1505 numsect, (diskaddr_t)DK_MAX_2TB); 1506 exit(1); 1507 } 1508 } else if (numsect != dev_capacity - 1) { 1509 (void) fprintf(stderr, 1510 "fdisk: EFI partitions must encompass the " 1511 "entire disk\n" 1512 "(input numsect: %u - avail: %llu)\n", 1513 numsect, 1514 dev_capacity - 1); 1515 exit(1); 1516 } 1517 } 1518 1519 /* Find unused entry for use and put entry in table */ 1520 if (insert_tbl(id, act, bhead, bsect, bcyl, ehead, esect, 1521 ecyl, rsect, numsect) < 0) { 1522 (void) fprintf(stderr, 1523 "fdisk: Invalid entry could not be inserted:\n" 1524 " \"%s\"\n", 1525 file); 1526 exit(1); 1527 } 1528 1529 /* Make sure new entry does not overlap existing entry */ 1530 if (verify_tbl() < 0) { 1531 (void) fprintf(stderr, 1532 "fdisk: Cannot create partition \"%s\"\n", file); 1533 exit(1); 1534 } 1535 } /* switch funct */ 1536 } 1537 1538 /* 1539 * Set_Table_CHS_Values 1540 * 1541 * This will calculate the CHS values for beginning and ending CHS 1542 * for a single partition table entry (ti) based on the relsect 1543 * and numsect values contained in the partion table entry. 1544 * 1545 * hba_heads and hba_sectors contain the number of heads and sectors. 1546 * 1547 * If the number of cylinders exceeds the MAX_CYL, 1548 * then maximum values will be placed in the corresponding chs entry. 1549 */ 1550 static void 1551 Set_Table_CHS_Values(int ti) 1552 { 1553 uint32_t lba, cy, hd, sc; 1554 1555 lba = (uint32_t)Table[ti].relsect; 1556 if (lba >= hba_heads * hba_sectors * MAX_CYL) { 1557 /* 1558 * the lba address cannot be expressed in CHS value 1559 * so store the maximum CHS field values in the CHS fields. 1560 */ 1561 cy = MAX_CYL + 1; 1562 hd = MAX_HEAD; 1563 sc = MAX_SECT; 1564 } else { 1565 cy = lba / hba_sectors / hba_heads; 1566 hd = lba / hba_sectors % hba_heads; 1567 sc = lba % hba_sectors + 1; 1568 } 1569 Table[ti].begcyl = cy & 0xff; 1570 Table[ti].beghead = (uchar_t)hd; 1571 Table[ti].begsect = (uchar_t)(((cy >> 2) & 0xc0) | sc); 1572 1573 /* 1574 * This code is identical to the code above 1575 * except that it works on ending CHS values 1576 */ 1577 lba = (uint32_t)(Table[ti].relsect + Table[ti].numsect - 1); 1578 if (lba >= hba_heads * hba_sectors * MAX_CYL) { 1579 cy = MAX_CYL + 1; 1580 hd = MAX_HEAD; 1581 sc = MAX_SECT; 1582 } else { 1583 cy = lba / hba_sectors / hba_heads; 1584 hd = lba / hba_sectors % hba_heads; 1585 sc = lba % hba_sectors + 1; 1586 } 1587 Table[ti].endcyl = cy & 0xff; 1588 Table[ti].endhead = (uchar_t)hd; 1589 Table[ti].endsect = (uchar_t)(((cy >> 2) & 0xc0) | sc); 1590 } 1591 1592 /* 1593 * insert_tbl 1594 * Insert entry into fdisk table. Check all user-supplied values 1595 * for the entry, but not the validity relative to other table 1596 * entries! 1597 */ 1598 static int 1599 insert_tbl( 1600 int id, int act, 1601 int bhead, int bsect, int bcyl, 1602 int ehead, int esect, int ecyl, 1603 uint32_t rsect, uint32_t numsect) 1604 { 1605 int i; 1606 1607 /* validate partition size */ 1608 if (((diskaddr_t)rsect + numsect) > dev_capacity) { 1609 (void) fprintf(stderr, 1610 "fdisk: Partition table exceeds the size of the disk.\n"); 1611 return (-1); 1612 } 1613 1614 1615 /* find UNUSED partition table entry */ 1616 for (i = 0; i < FD_NUMPART; i++) { 1617 if (Table[i].systid == UNUSED) { 1618 break; 1619 } 1620 } 1621 if (i >= FD_NUMPART) { 1622 (void) fprintf(stderr, "fdisk: Partition table is full.\n"); 1623 return (-1); 1624 } 1625 1626 1627 Table[i].systid = (uchar_t)id; 1628 Table[i].bootid = (uchar_t)act; 1629 Table[i].numsect = lel(numsect); 1630 Table[i].relsect = lel(rsect); 1631 1632 /* 1633 * If we have been called with a valid geometry, use it 1634 * valid means non-zero values that fit in the BIOS fields 1635 */ 1636 if (0 < bsect && bsect <= MAX_SECT && 1637 0 <= bhead && bhead <= MAX_HEAD && 1638 0 < esect && esect <= MAX_SECT && 1639 0 <= ehead && ehead <= MAX_HEAD) { 1640 if (bcyl > MAX_CYL) 1641 bcyl = MAX_CYL + 1; 1642 if (ecyl > MAX_CYL) 1643 ecyl = MAX_CYL + 1; 1644 Table[i].begcyl = bcyl & 0xff; 1645 Table[i].endcyl = ecyl & 0xff; 1646 Table[i].beghead = (uchar_t)bhead; 1647 Table[i].endhead = (uchar_t)ehead; 1648 Table[i].begsect = (uchar_t)(((bcyl >> 2) & 0xc0) | bsect); 1649 Table[i].endsect = ((ecyl >> 2) & 0xc0) | esect; 1650 } else { 1651 1652 /* 1653 * The specified values are invalid, 1654 * so calculate the values based on hba_heads, hba_sectors 1655 */ 1656 Set_Table_CHS_Values(i); 1657 } 1658 1659 /* 1660 * return partition index 1661 */ 1662 return (i); 1663 } 1664 1665 /* 1666 * verify_tbl 1667 * Verify that no partition entries overlap or exceed the size of 1668 * the disk. 1669 */ 1670 static int 1671 verify_tbl(void) 1672 { 1673 uint32_t i, j, rsect, numsect; 1674 int noMoreParts = 0; 1675 int numParts = 0; 1676 1677 /* Make sure new entry does not overlap an existing entry */ 1678 for (i = 0; i < FD_NUMPART - 1; i++) { 1679 if (Table[i].systid != UNUSED) { 1680 numParts++; 1681 /* 1682 * No valid partitions allowed after an UNUSED or 1683 * EFI_PMBR part 1684 */ 1685 if (noMoreParts) { 1686 return (-1); 1687 } 1688 1689 /* 1690 * EFI_PMBR partitions must be the only partition 1691 * and must be Table entry 0 1692 */ 1693 if (Table[i].systid == EFI_PMBR) { 1694 if (i == 0) { 1695 noMoreParts = 1; 1696 } else { 1697 return (-1); 1698 } 1699 1700 if (Table[i].relsect != 1) { 1701 (void) fprintf(stderr, "ERROR: " 1702 "Invalid starting sector " 1703 "for EFI_PMBR partition:\n" 1704 "relsect %d " 1705 "(should be 1)\n", 1706 Table[i].relsect); 1707 1708 return (-1); 1709 } 1710 1711 if (Table[i].numsect != dev_capacity - 1) { 1712 (void) fprintf(stderr, "ERROR: " 1713 "EFI_PMBR partition must " 1714 "encompass the entire " 1715 "disk.\n numsect %d - " 1716 "actual %llu\n", 1717 Table[i].numsect, 1718 dev_capacity - 1); 1719 1720 return (-1); 1721 } 1722 } 1723 1724 /* make sure the partition isn't larger than the disk */ 1725 rsect = lel(Table[i].relsect); 1726 numsect = lel(Table[i].numsect); 1727 1728 if ((((diskaddr_t)rsect + numsect) > dev_capacity) || 1729 (((diskaddr_t)rsect + numsect) > DK_MAX_2TB)) { 1730 return (-1); 1731 } 1732 1733 for (j = i + 1; j < FD_NUMPART; j++) { 1734 if (Table[j].systid != UNUSED) { 1735 uint32_t t_relsect = 1736 lel(Table[j].relsect); 1737 uint32_t t_numsect = 1738 lel(Table[j].numsect); 1739 1740 if (noMoreParts) { 1741 (void) fprintf(stderr, 1742 "Cannot add partition to " 1743 "table; no more partitions " 1744 "allowed\n"); 1745 1746 if (io_debug) { 1747 (void) fprintf(stderr, 1748 "DEBUG: Current " 1749 "partition:\t" 1750 "%d:%d:%d:%d:%d:" 1751 "%d:%d:%d:%d:%d\n" 1752 " Next " 1753 "partition:\t\t" 1754 "%d:%d:%d:%d:%d:" 1755 "%d:%d:%d:%d:%d\n", 1756 Table[i].systid, 1757 Table[i].bootid, 1758 Table[i].begcyl, 1759 Table[i].beghead, 1760 Table[i].begsect, 1761 Table[i].endcyl, 1762 Table[i].endhead, 1763 Table[i].endsect, 1764 Table[i].relsect, 1765 Table[i].numsect, 1766 Table[j].systid, 1767 Table[j].bootid, 1768 Table[j].begcyl, 1769 Table[j].beghead, 1770 Table[j].begsect, 1771 Table[j].endcyl, 1772 Table[j].endhead, 1773 Table[j].endsect, 1774 Table[j].relsect, 1775 Table[j].numsect); 1776 } 1777 1778 return (-1); 1779 } 1780 if ((rsect >= 1781 (t_relsect + t_numsect)) || 1782 ((rsect + numsect) <= t_relsect)) { 1783 continue; 1784 } else { 1785 (void) fprintf(stderr, "ERROR: " 1786 "current partition overlaps" 1787 " following partition\n"); 1788 1789 return (-1); 1790 } 1791 } 1792 } 1793 } else { 1794 noMoreParts = 1; 1795 } 1796 } 1797 if (Table[i].systid != UNUSED) { 1798 if (noMoreParts || 1799 (((diskaddr_t)lel(Table[i].relsect) + 1800 lel(Table[i].numsect)) > dev_capacity) || 1801 (((diskaddr_t)lel(Table[i].relsect) + 1802 lel(Table[i].numsect)) > DK_MAX_2TB)) { 1803 return (-1); 1804 } 1805 } 1806 1807 return (numParts); 1808 } 1809 1810 /* 1811 * pars_fdisk 1812 * Parse user-supplied data to set up fdisk partitions 1813 * (-A, -D, -F). 1814 */ 1815 static int 1816 pars_fdisk( 1817 char *line, 1818 int *id, int *act, 1819 int *bhead, int *bsect, int *bcyl, 1820 int *ehead, int *esect, int *ecyl, 1821 uint32_t *rsect, uint32_t *numsect) 1822 { 1823 int i; 1824 if (line[0] == '\0' || line[0] == '\n' || line[0] == '*') 1825 return (1); 1826 line[strlen(line)] = '\0'; 1827 for (i = 0; i < strlen(line); i++) { 1828 if (line[i] == '\0') { 1829 break; 1830 } else if (line[i] == ':') { 1831 line[i] = ' '; 1832 } 1833 } 1834 if (sscanf(line, "%d %d %d %d %d %d %d %d %u %u", 1835 id, act, bhead, bsect, bcyl, ehead, esect, ecyl, 1836 rsect, numsect) != 10) { 1837 (void) fprintf(stderr, "Syntax error:\n \"%s\".\n", line); 1838 exit(1); 1839 } 1840 return (0); 1841 } 1842 1843 /* 1844 * validate_part 1845 * Validate that a new partition does not start at sector 0. Only UNUSED 1846 * partitions and previously existing partitions are allowed to start at 0. 1847 */ 1848 static int 1849 validate_part(int id, uint32_t rsect, uint32_t numsect) 1850 { 1851 int i; 1852 if ((id != UNUSED) && (rsect == 0)) { 1853 for (i = 0; i < FD_NUMPART; i++) { 1854 if ((Old_Table[i].systid == id) && 1855 (Old_Table[i].relsect == lel(rsect)) && 1856 (Old_Table[i].numsect == lel(numsect))) 1857 return (0); 1858 } 1859 (void) fprintf(stderr, 1860 "New partition cannot start at sector 0\n"); 1861 return (-1); 1862 } 1863 return (0); 1864 } 1865 1866 /* 1867 * stage0 1868 * Print out interactive menu and process user input. 1869 */ 1870 static void 1871 stage0(void) 1872 { 1873 dispmenu(); 1874 for (;;) { 1875 (void) printf(Q_LINE); 1876 (void) printf("Enter Selection: "); 1877 (void) gets(s); 1878 rm_blanks(s); 1879 while (!((s[0] > '0') && (s[0] < '7') && (s[1] == 0))) { 1880 (void) printf(E_LINE); /* Clear any previous error */ 1881 (void) printf( 1882 "Enter a one-digit number between 1 and 6."); 1883 (void) printf(Q_LINE); 1884 (void) printf("Enter Selection: "); 1885 (void) gets(s); 1886 rm_blanks(s); 1887 } 1888 (void) printf(E_LINE); 1889 switch (s[0]) { 1890 case '1': 1891 if (pcreate() == -1) 1892 return; 1893 break; 1894 case '2': 1895 if (pchange() == -1) 1896 return; 1897 break; 1898 case '3': 1899 if (pdelete() == -1) 1900 return; 1901 break; 1902 case '4': 1903 if (ppartid() == -1) 1904 return; 1905 break; 1906 case '5': 1907 /* update disk partition table, if changed */ 1908 if (TableChanged() == 1) { 1909 copy_Table_to_Bootblk(); 1910 dev_mboot_write(0, Bootsect, sectsiz); 1911 } 1912 /* 1913 * If the VTOC table is wrong fix it 1914 * (truncate only) 1915 */ 1916 if (io_adjt) { 1917 fix_slice(); 1918 } 1919 (void) close(Dev); 1920 exit(0); 1921 /* FALLTHRU */ 1922 case '6': 1923 /* 1924 * If the VTOC table is wrong fix it 1925 * (truncate only) 1926 */ 1927 if (io_adjt) { 1928 fix_slice(); 1929 } 1930 (void) close(Dev); 1931 exit(0); 1932 /* FALLTHRU */ 1933 default: 1934 break; 1935 } 1936 copy_Table_to_Bootblk(); 1937 disptbl(); 1938 dispmenu(); 1939 } 1940 } 1941 1942 /* 1943 * pcreate 1944 * Create partition entry in the table (interactive mode). 1945 */ 1946 static int 1947 pcreate(void) 1948 { 1949 uchar_t tsystid = 'z'; 1950 int i, j; 1951 uint32_t numsect; 1952 int retCode = 0; 1953 1954 i = 0; 1955 for (;;) { 1956 if (i == FD_NUMPART) { 1957 (void) printf(E_LINE); 1958 (void) printf( 1959 "The partition table is full!\n" 1960 "You must delete a partition before creating" 1961 " a new one.\n"); 1962 return (-1); 1963 } 1964 if (Table[i].systid == UNUSED) { 1965 break; 1966 } 1967 i++; 1968 } 1969 1970 numsect = 0; 1971 for (i = 0; i < FD_NUMPART; i++) { 1972 if (Table[i].systid != UNUSED) { 1973 numsect += lel(Table[i].numsect); 1974 } 1975 if (numsect >= chs_capacity) { 1976 (void) printf(E_LINE); 1977 (void) printf("There is no more room on the disk for" 1978 " another partition.\n"); 1979 (void) printf( 1980 "You must delete a partition before creating" 1981 " a new one.\n"); 1982 return (-1); 1983 } 1984 } 1985 while (tsystid == 'z') { 1986 1987 /* 1988 * The question here is expanding to more than what is 1989 * allocated for question lines (Q_LINE) which garbles 1990 * at least warning line. Clearing warning line as workaround 1991 * for now. 1992 */ 1993 1994 (void) printf(W_LINE); 1995 (void) printf(Q_LINE); 1996 (void) printf( 1997 "Select the partition type to create:\n" 1998 " 1=SOLARIS2 2=UNIX 3=PCIXOS 4=Other\n" 1999 " 5=DOS12 6=DOS16 7=DOSEXT 8=DOSBIG\n" 2000 " 9=DOS16LBA A=x86 Boot B=Diagnostic C=FAT32\n" 2001 " D=FAT32LBA E=DOSEXTLBA F=EFI 0=Exit? "); 2002 (void) gets(s); 2003 rm_blanks(s); 2004 if (s[1] != 0) { 2005 (void) printf(E_LINE); 2006 (void) printf("Invalid selection, try again."); 2007 continue; 2008 } 2009 switch (s[0]) { 2010 case '0': /* exit */ 2011 (void) printf(E_LINE); 2012 return (-1); 2013 case '1': /* Solaris partition */ 2014 tsystid = SUNIXOS2; 2015 break; 2016 case '2': /* UNIX partition */ 2017 tsystid = UNIXOS; 2018 break; 2019 case '3': /* PCIXOS partition */ 2020 tsystid = PCIXOS; 2021 break; 2022 case '4': /* OTHEROS System partition */ 2023 tsystid = OTHEROS; 2024 break; 2025 case '5': 2026 tsystid = DOSOS12; /* DOS 12 bit fat */ 2027 break; 2028 case '6': 2029 tsystid = DOSOS16; /* DOS 16 bit fat */ 2030 break; 2031 case '7': 2032 tsystid = EXTDOS; 2033 break; 2034 case '8': 2035 tsystid = DOSHUGE; 2036 break; 2037 case '9': 2038 tsystid = FDISK_FAT95; /* FAT16, need extended int13 */ 2039 break; 2040 case 'a': /* x86 Boot partition */ 2041 case 'A': 2042 tsystid = X86BOOT; 2043 break; 2044 case 'b': /* Diagnostic boot partition */ 2045 case 'B': 2046 tsystid = DIAGPART; 2047 break; 2048 case 'c': /* FAT32 */ 2049 case 'C': 2050 tsystid = FDISK_WINDOWS; 2051 break; 2052 case 'd': /* FAT32 and need extended int13 */ 2053 case 'D': 2054 tsystid = FDISK_EXT_WIN; 2055 break; 2056 case 'e': /* Extended partition, need extended int13 */ 2057 case 'E': 2058 tsystid = FDISK_EXTLBA; 2059 break; 2060 case 'f': 2061 case 'F': 2062 tsystid = EFI_PMBR; 2063 break; 2064 default: 2065 (void) printf(E_LINE); 2066 (void) printf("Invalid selection, try again."); 2067 continue; 2068 } 2069 } 2070 2071 (void) printf(E_LINE); 2072 2073 if (tsystid != EFI_PMBR) { 2074 (void) printf(W_LINE); 2075 if ((dev_capacity > DK_MAX_2TB)) 2076 (void) printf("WARNING: Disk is larger than 2 TB. " 2077 "Upper limit is 2 TB for non-EFI partition ID\n"); 2078 2079 /* create the new partition */ 2080 i = specify(tsystid); 2081 2082 if (i != -1) { 2083 /* see if it should be the active partition */ 2084 (void) printf(E_LINE); 2085 (void) printf(Q_LINE); 2086 2087 (void) printf( 2088 "Should this become the active partition? If " 2089 "yes, it will be activated\n" 2090 "each time the computer is reset or turned on.\n" 2091 "Please type \"y\" or \"n\". "); 2092 2093 if (yesno()) { 2094 (void) printf(E_LINE); 2095 for (j = 0; j < FD_NUMPART; j++) { 2096 if (j == i) { 2097 Table[j].bootid = ACTIVE; 2098 (void) printf(E_LINE); 2099 (void) printf( 2100 "Partition %d is now " 2101 "the active partition.", 2102 j + 1); 2103 } else { 2104 Table[j].bootid = 0; 2105 } 2106 } 2107 } else { 2108 Table[i].bootid = 0; 2109 } 2110 2111 /* set up the return code */ 2112 i = 1; 2113 } 2114 } else { 2115 /* 2116 * partitions of type EFI_PMBR must be the only partitions in 2117 * the table 2118 * 2119 * First, make sure there were no errors the table is 2120 * empty 2121 */ 2122 retCode = verify_tbl(); 2123 2124 if (retCode < 0) { 2125 (void) fprintf(stderr, 2126 "fdisk: Cannot create EFI partition table; \n" 2127 "current partition table is invalid.\n"); 2128 return (-1); 2129 } else if (retCode > 0) { 2130 (void) printf( 2131 "An EFI partition must be the only partition on " 2132 "disk. You may manually delete existing\n" 2133 "partitions, or fdisk can do it.\n" 2134 "Do you want fdisk to destroy existing " 2135 "partitions?\n" 2136 "Please type \"y\" or \"n\". "); 2137 2138 if (yesno()) { 2139 nulltbl(); 2140 } else { 2141 return (-1); 2142 } 2143 } 2144 2145 /* create the table entry - i should be 0 */ 2146 i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 1, 2147 (dev_capacity > DK_MAX_2TB) ? DK_MAX_2TB: 2148 (dev_capacity - 1)); 2149 2150 if (i != 0) { 2151 (void) printf("Error creating EFI partition!!!\n"); 2152 i = -1; 2153 } else { 2154 2155 /* EFI partitions are currently never active */ 2156 Table[i].bootid = 0; 2157 2158 /* set up the return code */ 2159 i = 1; 2160 } 2161 } 2162 2163 return (i); 2164 } 2165 2166 /* 2167 * specify 2168 * Query the user to specify the size of the new partition in 2169 * terms of percentage of the disk or by specifying the starting 2170 * cylinder and length in cylinders. 2171 */ 2172 static int 2173 specify(uchar_t tsystid) 2174 { 2175 int i, j, percent = -1; 2176 int cyl, cylen; 2177 diskaddr_t first_free, size_free; 2178 diskaddr_t max_free; 2179 int cyl_size; 2180 struct ipart *partition[FD_NUMPART]; 2181 2182 cyl_size = heads * sectors; 2183 2184 /* 2185 * make a local copy of the partition table 2186 * and sort it into relsect order 2187 */ 2188 for (i = 0; i < FD_NUMPART; i++) 2189 partition[i] = &Table[i]; 2190 2191 for (i = 0; i < FD_NUMPART - 1; i++) { 2192 if (partition[i]->systid == UNUSED) 2193 break; 2194 for (j = i + 1; j < FD_NUMPART; j++) { 2195 if (partition[j]->systid == UNUSED) 2196 break; 2197 if (lel(partition[j]->relsect) < 2198 lel(partition[i]->relsect)) { 2199 struct ipart *temp = partition[i]; 2200 partition[i] = partition[j]; 2201 partition[j] = temp; 2202 } 2203 } 2204 } 2205 2206 2207 (void) printf(Q_LINE); 2208 (void) printf( 2209 "Specify the percentage of disk to use for this partition\n" 2210 "(or type \"c\" to specify the size in cylinders). "); 2211 (void) gets(s); 2212 rm_blanks(s); 2213 if (s[0] != 'c') { /* Specify size in percentage of disk */ 2214 i = 0; 2215 while (s[i] != '\0') { 2216 if (s[i] < '0' || s[i] > '9') { 2217 (void) printf(E_LINE); 2218 (void) printf("Invalid percentage value " 2219 "specified; retry the operation."); 2220 return (-1); 2221 } 2222 i++; 2223 if (i > 3) { 2224 (void) printf(E_LINE); 2225 (void) printf("Invalid percentage value " 2226 "specified; retry the operation."); 2227 return (-1); 2228 } 2229 } 2230 if ((percent = atoi(s)) > 100) { 2231 (void) printf(E_LINE); 2232 (void) printf( 2233 "Percentage value is too large. The value must be" 2234 " between 1 and 100;\nretry the operation.\n"); 2235 return (-1); 2236 } 2237 if (percent < 1) { 2238 (void) printf(E_LINE); 2239 (void) printf( 2240 "Percentage value is too small. The value must be" 2241 " between 1 and 100;\nretry the operation.\n"); 2242 return (-1); 2243 } 2244 2245 if (percent == 100) 2246 cylen = Numcyl_usable - 1; 2247 else 2248 cylen = (Numcyl_usable * percent) / 100; 2249 2250 /* Verify DOS12 partition doesn't exceed max size of 32MB. */ 2251 if ((tsystid == DOSOS12) && 2252 ((long)((long)cylen * cyl_size) > MAXDOS)) { 2253 int n; 2254 n = MAXDOS * 100 / (int)(cyl_size) / Numcyl_usable; 2255 (void) printf(E_LINE); 2256 (void) printf("Maximum size for a DOS partition " 2257 "is %d%%; retry the operation.", 2258 n <= 100 ? n : 100); 2259 return (-1); 2260 } 2261 2262 2263 max_free = 0; 2264 for (i = 0; i < FD_NUMPART; i++) { 2265 2266 /* 2267 * check for free space before partition i 2268 * where i varies from 0 to 3 2269 * 2270 * freespace after partition 3 is unusable 2271 * because there are no free partitions 2272 * 2273 * freespace begins at the end of previous partition 2274 * or cylinder 1 2275 */ 2276 if (i) { 2277 /* Not an empty table */ 2278 first_free = lel(partition[i - 1]->relsect) + 2279 lel(partition[i - 1]->numsect); 2280 } else { 2281 first_free = cyl_size; 2282 } 2283 2284 /* 2285 * freespace ends before the current partition 2286 * or the end of the disk (chs end) 2287 */ 2288 if (partition[i]->systid == UNUSED) { 2289 size_free = chs_capacity - first_free; 2290 } else { 2291 size_free = 2292 lel(partition[i]->relsect) - first_free; 2293 } 2294 2295 /* save largest free space */ 2296 if (max_free < size_free) 2297 max_free = size_free; 2298 2299 if (((uint64_t)cylen * cyl_size) <= size_free) { 2300 /* We found a place to use */ 2301 break; 2302 } 2303 if (partition[i]->systid == UNUSED) { 2304 (void) printf(E_LINE); 2305 max_free /= (cyl_size); 2306 (void) fprintf(stderr, "fdisk: " 2307 "Maximum percentage available is %lld\n", 2308 100 * max_free / Numcyl_usable); 2309 return (-1); 2310 } 2311 } 2312 2313 (void) printf(E_LINE); 2314 if (i >= FD_NUMPART) { 2315 (void) fprintf(stderr, 2316 "fdisk: Partition table is full.\n"); 2317 return (-1); 2318 } 2319 2320 if ((i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 2321 first_free, cylen * cyl_size)) >= 0) { 2322 return (i); 2323 } 2324 return (-1); 2325 } else { 2326 2327 /* Specifying size in cylinders */ 2328 (void) printf(E_LINE); 2329 (void) printf(Q_LINE); 2330 (void) printf("Enter starting cylinder number: "); 2331 if ((cyl = getcyl()) == -1) { 2332 (void) printf(E_LINE); 2333 (void) printf("Invalid number; retry the operation."); 2334 return (-1); 2335 } 2336 if (cyl == 0) { 2337 (void) printf(E_LINE); 2338 (void) printf( 2339 "New partition cannot start at cylinder 0.\n"); 2340 return (-1); 2341 } 2342 2343 2344 if (cyl >= Numcyl_usable) { 2345 (void) printf(E_LINE); 2346 (void) printf( 2347 "Cylinder %d is out of bounds, " 2348 "the maximum is %d.\n", 2349 cyl, Numcyl_usable - 1); 2350 return (-1); 2351 } 2352 2353 (void) printf(Q_LINE); 2354 (void) printf("Enter partition size in cylinders: "); 2355 if ((cylen = getcyl()) == -1) { 2356 (void) printf(E_LINE); 2357 (void) printf("Invalid number, retry the operation."); 2358 return (-1); 2359 } 2360 2361 for (i = 0; i < FD_NUMPART; i++) { 2362 uint32_t t_relsect, t_numsect; 2363 2364 if (partition[i]->systid == UNUSED) 2365 break; 2366 t_relsect = lel(partition[i]->relsect); 2367 t_numsect = lel(partition[i]->numsect); 2368 2369 if (cyl * cyl_size >= t_relsect && 2370 cyl * cyl_size < t_relsect + t_numsect) { 2371 (void) printf(E_LINE); 2372 (void) printf( 2373 "Cylinder %d is already allocated" 2374 "\nretry the operation.", 2375 cyl); 2376 return (-1); 2377 } 2378 2379 if (cyl * cyl_size < t_relsect && 2380 (cyl + cylen - 1) * cyl_size > t_relsect) { 2381 (void) printf(E_LINE); 2382 (void) printf( 2383 "Maximum size for partition is %u cylinders" 2384 "\nretry the operation.", 2385 (t_relsect - cyl * cyl_size) / cyl_size); 2386 return (-1); 2387 } 2388 } 2389 2390 /* Verify partition doesn't exceed disk size or 2 TB */ 2391 if (cyl + cylen > Numcyl_usable) { 2392 (void) printf(E_LINE); 2393 if (Numcyl > Numcyl_usable) { 2394 (void) printf( 2395 "Maximum size for partition is %d " 2396 "cylinders; \nretry the operation.", 2397 Numcyl_usable - cyl); 2398 } else { 2399 (void) printf( 2400 "Maximum size for partition is %d " 2401 "cylinders; \nretry the operation.", 2402 Numcyl_usable - cyl); 2403 } 2404 return (-1); 2405 } 2406 2407 /* Verify DOS12 partition doesn't exceed max size of 32MB. */ 2408 if ((tsystid == DOSOS12) && 2409 ((long)((long)cylen * cyl_size) > MAXDOS)) { 2410 (void) printf(E_LINE); 2411 (void) printf( 2412 "Maximum size for a %s partition is %ld cylinders;" 2413 "\nretry the operation.", 2414 Dstr, MAXDOS / (int)(cyl_size)); 2415 return (-1); 2416 } 2417 2418 (void) printf(E_LINE); 2419 i = insert_tbl(tsystid, 0, 0, 0, 0, 0, 0, 0, 2420 cyl * cyl_size, cylen * cyl_size); 2421 if (i < 0) 2422 return (-1); 2423 2424 if (verify_tbl() < 0) { 2425 (void) printf(E_LINE); 2426 (void) printf("fdisk: Cannot create partition table\n"); 2427 return (-1); 2428 } 2429 2430 return (i); 2431 } 2432 } 2433 2434 /* 2435 * dispmenu 2436 * Display command menu (interactive mode). 2437 */ 2438 static void 2439 dispmenu(void) 2440 { 2441 (void) printf(M_LINE); 2442 (void) printf( 2443 "SELECT ONE OF THE FOLLOWING:\n" 2444 " 1. Create a partition\n" 2445 " 2. Specify the active partition\n" 2446 " 3. Delete a partition\n" 2447 " 4. Change between Solaris and Solaris2 Partition IDs\n" 2448 " 5. Exit (update disk configuration and exit)\n" 2449 " 6. Cancel (exit without updating disk configuration)\n"); 2450 } 2451 2452 /* 2453 * pchange 2454 * Change the ACTIVE designation of a partition. 2455 */ 2456 static int 2457 pchange(void) 2458 { 2459 char s[80]; 2460 int i, j; 2461 2462 for (;;) { 2463 (void) printf(Q_LINE); 2464 { 2465 (void) printf( 2466 "Specify the partition number to boot from" 2467 " (or specify 0 for none): "); 2468 } 2469 (void) gets(s); 2470 rm_blanks(s); 2471 if ((s[1] != 0) || (s[0] < '0') || (s[0] > '4')) { 2472 (void) printf(E_LINE); 2473 (void) printf( 2474 "Invalid response, please specify a number" 2475 " between 0 and 4.\n"); 2476 } else { 2477 break; 2478 } 2479 } 2480 if (s[0] == '0') { /* No active partitions */ 2481 for (i = 0; i < FD_NUMPART; i++) { 2482 if (Table[i].systid != UNUSED && 2483 Table[i].bootid == ACTIVE) 2484 Table[i].bootid = 0; 2485 } 2486 (void) printf(E_LINE); 2487 (void) printf( 2488 "No partition is currently marked as active."); 2489 return (0); 2490 } else { /* User has selected a partition to be active */ 2491 i = s[0] - '1'; 2492 if (Table[i].systid == UNUSED) { 2493 (void) printf(E_LINE); 2494 (void) printf("Partition does not exist."); 2495 return (-1); 2496 } 2497 /* a DOS-DATA or EXT-DOS partition cannot be active */ 2498 else if ((Table[i].systid == DOSDATA) || 2499 (Table[i].systid == EXTDOS) || 2500 (Table[i].systid == FDISK_EXTLBA)) { 2501 (void) printf(E_LINE); 2502 (void) printf( 2503 "DOS-DATA, EXT_DOS and EXT_DOS_LBA partitions " 2504 "cannot be made active.\n"); 2505 (void) printf("Select another partition."); 2506 return (-1); 2507 } 2508 Table[i].bootid = ACTIVE; 2509 for (j = 0; j < FD_NUMPART; j++) { 2510 if (j != i) 2511 Table[j].bootid = 0; 2512 } 2513 } 2514 (void) printf(E_LINE); 2515 { 2516 (void) printf( 2517 "Partition %d is now active. The system will start up" 2518 " from this\n", i + 1); 2519 (void) printf("partition after the next reboot."); 2520 } 2521 return (1); 2522 } 2523 2524 /* 2525 * Change between SOLARIS and SOLARIS2 partition id 2526 */ 2527 static int 2528 ppartid(void) 2529 { 2530 char *p, s[80]; 2531 int i; 2532 2533 for (;;) { 2534 (void) printf(Q_LINE); 2535 (void) printf("Specify the partition number to change" 2536 " (or enter 0 to exit): "); 2537 if (!fgets(s, sizeof (s), stdin)) 2538 return (1); 2539 i = strtol(s, &p, 10); 2540 2541 if (*p != '\n' || i < 0 || i > FD_NUMPART) { 2542 (void) printf(E_LINE); 2543 (void) printf( 2544 "Invalid response, retry the operation.\n"); 2545 continue; 2546 } 2547 2548 if (i == 0) { 2549 /* exit delete command */ 2550 (void) printf(E_LINE); /* clear error message */ 2551 return (1); 2552 } 2553 2554 i -= 1; 2555 if (Table[i].systid == SUNIXOS) { 2556 Table[i].systid = SUNIXOS2; 2557 } else if (Table[i].systid == SUNIXOS2) { 2558 Table[i].systid = SUNIXOS; 2559 } else { 2560 (void) printf(E_LINE); 2561 (void) printf( 2562 "Partition %d is not a Solaris partition.", 2563 i + 1); 2564 continue; 2565 } 2566 2567 (void) printf(E_LINE); 2568 (void) printf("Partition %d has been changed.", i + 1); 2569 return (1); 2570 } 2571 } 2572 2573 /* 2574 * pdelete 2575 * Remove partition entry from the table (interactive mode). 2576 */ 2577 static char 2578 pdelete(void) 2579 { 2580 char s[80]; 2581 int i, j; 2582 char pactive; 2583 2584 DEL1: (void) printf(Q_LINE); 2585 (void) printf("Specify the partition number to delete" 2586 " (or enter 0 to exit): "); 2587 (void) gets(s); 2588 rm_blanks(s); 2589 if ((s[0] == '0')) { /* exit delete command */ 2590 (void) printf(E_LINE); /* clear error message */ 2591 return (1); 2592 } 2593 /* Accept only a single digit between 1 and 4 */ 2594 if (s[1] != 0 || (i = atoi(s)) < 1 || i > FD_NUMPART) { 2595 (void) printf(E_LINE); 2596 (void) printf("Invalid response, retry the operation.\n"); 2597 goto DEL1; 2598 } else { /* Found a digit between 1 and 4 */ 2599 --i; /* Structure begins with element 0 */ 2600 } 2601 2602 if (Table[i].systid == UNUSED) { 2603 (void) printf(E_LINE); 2604 (void) printf("Partition %d does not exist.", i + 1); 2605 return (-1); 2606 } 2607 2608 (void) printf(Q_LINE); 2609 (void) printf("Are you sure you want to delete partition %d?" 2610 " This will make all files and \n", i + 1); 2611 (void) printf("programs in this partition inaccessible (type" 2612 " \"y\" or \"n\"). "); 2613 2614 (void) printf(E_LINE); 2615 if (! yesno()) { 2616 return (1); 2617 } 2618 2619 if (Table[i].bootid == ACTIVE) { 2620 pactive = 1; 2621 } else { 2622 pactive = 0; 2623 } 2624 2625 for (j = i; j < FD_NUMPART - 1; j++) { 2626 Table[j] = Table[j + 1]; 2627 } 2628 2629 Table[j].systid = UNUSED; 2630 Table[j].numsect = 0; 2631 Table[j].relsect = 0; 2632 Table[j].bootid = 0; 2633 (void) printf(E_LINE); 2634 (void) printf("Partition %d has been deleted.", i + 1); 2635 2636 if (pactive) { 2637 (void) printf(" This was the active partition."); 2638 } 2639 2640 return (1); 2641 } 2642 2643 /* 2644 * rm_blanks 2645 * Remove blanks from strings of user responses. 2646 */ 2647 static void 2648 rm_blanks(char *s) 2649 { 2650 register int i, j; 2651 2652 for (i = 0; i < CBUFLEN; i++) { 2653 if ((s[i] == ' ') || (s[i] == '\t')) 2654 continue; 2655 else 2656 /* Found first non-blank character of the string */ 2657 break; 2658 } 2659 for (j = 0; i < CBUFLEN; j++, i++) { 2660 if ((s[j] = s[i]) == '\0') { 2661 /* Reached end of string */ 2662 return; 2663 } 2664 } 2665 } 2666 2667 /* 2668 * getcyl 2669 * Take the user-specified cylinder number and convert it from a 2670 * string to a decimal value. 2671 */ 2672 static int 2673 getcyl(void) 2674 { 2675 int slen, i, j; 2676 unsigned int cyl; 2677 (void) gets(s); 2678 rm_blanks(s); 2679 slen = strlen(s); 2680 j = 1; 2681 cyl = 0; 2682 for (i = slen - 1; i >= 0; i--) { 2683 if (s[i] < '0' || s[i] > '9') { 2684 return (-1); 2685 } 2686 cyl += (j * (s[i] - '0')); 2687 j *= 10; 2688 } 2689 return (cyl); 2690 } 2691 2692 /* 2693 * disptbl 2694 * Display the current fdisk table; determine percentage 2695 * of the disk used for each partition. 2696 */ 2697 static void 2698 disptbl(void) 2699 { 2700 int i; 2701 unsigned int startcyl, endcyl, length, percent, remainder; 2702 char *stat, *type; 2703 int is_pmbr = 0; 2704 2705 if ((heads == 0) || (sectors == 0)) { 2706 (void) printf("WARNING: critical disk geometry information" 2707 " missing!\n"); 2708 (void) printf("\theads = %d, sectors = %d\n", heads, sectors); 2709 exit(1); 2710 } 2711 2712 (void) printf(HOME); 2713 (void) printf(T_LINE); 2714 (void) printf(" Total disk size is %d cylinders\n", Numcyl); 2715 (void) printf(" Cylinder size is %d (512 byte) blocks\n\n", 2716 heads * sectors); 2717 (void) printf( 2718 " Cylinders\n"); 2719 (void) printf( 2720 " Partition Status Type Start End Length" 2721 " %%\n"); 2722 (void) printf( 2723 " ========= ====== ============ ===== === ======" 2724 " ==="); 2725 for (i = 0; i < FD_NUMPART; i++) { 2726 if (Table[i].systid == UNUSED) { 2727 (void) printf("\n"); 2728 (void) printf(CLR_LIN); 2729 continue; 2730 } 2731 if (Table[i].bootid == ACTIVE) 2732 stat = Actvstr; 2733 else 2734 stat = NAstr; 2735 switch (Table[i].systid) { 2736 case UNIXOS: 2737 type = Ustr; 2738 break; 2739 case SUNIXOS: 2740 type = SUstr; 2741 break; 2742 case SUNIXOS2: 2743 type = SU2str; 2744 break; 2745 case X86BOOT: 2746 type = X86str; 2747 break; 2748 case DOSOS12: 2749 type = Dstr; 2750 break; 2751 case DOSOS16: 2752 type = D16str; 2753 break; 2754 case EXTDOS: 2755 type = EDstr; 2756 break; 2757 case DOSDATA: 2758 type = DDstr; 2759 break; 2760 case DOSHUGE: 2761 type = DBstr; 2762 break; 2763 case PCIXOS: 2764 type = PCstr; 2765 break; 2766 case DIAGPART: 2767 type = DIAGstr; 2768 break; 2769 case FDISK_IFS: 2770 type = IFSstr; 2771 break; 2772 case FDISK_AIXBOOT: 2773 type = AIXstr; 2774 break; 2775 case FDISK_AIXDATA: 2776 type = AIXDstr; 2777 break; 2778 case FDISK_OS2BOOT: 2779 type = OS2str; 2780 break; 2781 case FDISK_WINDOWS: 2782 type = WINstr; 2783 break; 2784 case FDISK_EXT_WIN: 2785 type = EWINstr; 2786 break; 2787 case FDISK_FAT95: 2788 type = FAT95str; 2789 break; 2790 case FDISK_EXTLBA: 2791 type = EXTLstr; 2792 break; 2793 case FDISK_LINUX: 2794 type = LINUXstr; 2795 break; 2796 case FDISK_CPM: 2797 type = CPMstr; 2798 break; 2799 case FDISK_NOVELL3: 2800 type = NOVstr; 2801 break; 2802 case FDISK_QNX4: 2803 type = QNXstr; 2804 break; 2805 case FDISK_QNX42: 2806 type = QNX2str; 2807 break; 2808 case FDISK_QNX43: 2809 type = QNX3str; 2810 break; 2811 case FDISK_LINUXNAT: 2812 type = LINNATstr; 2813 break; 2814 case FDISK_NTFSVOL1: 2815 type = NTFSVOL1str; 2816 break; 2817 case FDISK_NTFSVOL2: 2818 type = NTFSVOL2str; 2819 break; 2820 case FDISK_BSD: 2821 type = BSDstr; 2822 break; 2823 case FDISK_NEXTSTEP: 2824 type = NEXTSTEPstr; 2825 break; 2826 case FDISK_BSDIFS: 2827 type = BSDIFSstr; 2828 break; 2829 case FDISK_BSDISWAP: 2830 type = BSDISWAPstr; 2831 break; 2832 case EFI_PMBR: 2833 type = EFIstr; 2834 if (lel(Table[i].numsect) == DK_MAX_2TB) 2835 is_pmbr = 1; 2836 2837 break; 2838 default: 2839 type = Ostr; 2840 break; 2841 } 2842 startcyl = lel(Table[i].relsect) / 2843 (unsigned long)(heads * sectors); 2844 2845 if (lel(Table[i].numsect) == DK_MAX_2TB) { 2846 endcyl = Numcyl - 1; 2847 length = endcyl - startcyl + 1; 2848 } else { 2849 length = lel(Table[i].numsect) / 2850 (unsigned long)(heads * sectors); 2851 if (lel(Table[i].numsect) % 2852 (unsigned long)(heads * sectors)) 2853 length++; 2854 endcyl = startcyl + length - 1; 2855 } 2856 2857 percent = length * 100 / Numcyl_usable; 2858 if ((remainder = (length * 100 % Numcyl_usable)) != 0) { 2859 if ((remainder * 100 / Numcyl_usable) > 50) { 2860 /* round up */ 2861 percent++; 2862 } 2863 /* Else leave the percent as is since it's already */ 2864 /* rounded down */ 2865 } 2866 if (percent > 100) 2867 percent = 100; 2868 (void) printf( 2869 "\n %d %s %-12.12s %4d %4d %4d" 2870 " %3d", 2871 i + 1, stat, type, startcyl, endcyl, length, percent); 2872 } 2873 2874 /* Print warning message if table is empty */ 2875 if (Table[0].systid == UNUSED) { 2876 (void) printf(W_LINE); 2877 (void) printf("WARNING: no partitions are defined!"); 2878 } else { 2879 /* Clear the warning line */ 2880 (void) printf(W_LINE); 2881 2882 /* Print warning if disk > 2TB and is not EFI PMBR */ 2883 if (!is_pmbr && (dev_capacity > DK_MAX_2TB)) 2884 (void) printf("WARNING: Disk is larger than 2 TB. " 2885 "Upper limit is 2 TB for non-EFI partition ID\n"); 2886 } 2887 } 2888 2889 /* 2890 * print_Table 2891 * Write the detailed fdisk table to standard error for 2892 * the selected disk device. 2893 */ 2894 static void 2895 print_Table(void) 2896 { 2897 int i; 2898 2899 (void) fprintf(stderr, 2900 " SYSID ACT BHEAD BSECT BEGCYL EHEAD ESECT ENDCYL RELSECT" 2901 " NUMSECT\n"); 2902 2903 for (i = 0; i < FD_NUMPART; i++) { 2904 (void) fprintf(stderr, " %-5d ", Table[i].systid); 2905 (void) fprintf(stderr, "%-3d ", Table[i].bootid); 2906 (void) fprintf(stderr, "%-5d ", Table[i].beghead); 2907 (void) fprintf(stderr, "%-5d ", Table[i].begsect & 0x3f); 2908 (void) fprintf(stderr, "%-8d ", 2909 (((uint_t)Table[i].begsect & 0xc0) << 2) + Table[i].begcyl); 2910 2911 (void) fprintf(stderr, "%-5d ", Table[i].endhead); 2912 (void) fprintf(stderr, "%-5d ", Table[i].endsect & 0x3f); 2913 (void) fprintf(stderr, "%-8d ", 2914 (((uint_t)Table[i].endsect & 0xc0) << 2) + Table[i].endcyl); 2915 (void) fprintf(stderr, "%-10u ", lel(Table[i].relsect)); 2916 (void) fprintf(stderr, "%-10u\n", lel(Table[i].numsect)); 2917 2918 } 2919 } 2920 2921 /* 2922 * copy_Table_to_Old_Table 2923 * Copy Table into Old_Table. The function only copies the systid, 2924 * numsect, relsect, and bootid values because they are the only 2925 * ones compared when determining if Table has changed. 2926 */ 2927 static void 2928 copy_Table_to_Old_Table(void) 2929 { 2930 int i; 2931 for (i = 0; i < FD_NUMPART; i++) { 2932 (void) memcpy(&Old_Table[i], &Table[i], sizeof (Table[0])); 2933 } 2934 } 2935 2936 /* 2937 * nulltbl 2938 * Zero out the systid, numsect, relsect, and bootid values in the 2939 * fdisk table. 2940 */ 2941 static void 2942 nulltbl(void) 2943 { 2944 int i; 2945 2946 for (i = 0; i < FD_NUMPART; i++) { 2947 Table[i].systid = UNUSED; 2948 Table[i].numsect = lel(UNUSED); 2949 Table[i].relsect = lel(UNUSED); 2950 Table[i].bootid = 0; 2951 } 2952 } 2953 2954 /* 2955 * copy_Bootblk_to_Table 2956 * Copy the bytes from the boot record to an internal "Table". 2957 * All unused are padded with zeros starting at offset 446. 2958 */ 2959 static void 2960 copy_Bootblk_to_Table(void) 2961 { 2962 int i, j; 2963 char *bootptr; 2964 struct ipart iparts[FD_NUMPART]; 2965 2966 /* Get an aligned copy of the partition tables */ 2967 (void) memcpy(iparts, Bootblk->parts, sizeof (iparts)); 2968 bootptr = (char *)iparts; /* Points to start of partition table */ 2969 if (les(Bootblk->signature) != MBB_MAGIC) { 2970 /* Signature is missing */ 2971 nulltbl(); 2972 (void) memcpy(Bootblk->bootinst, &BootCod, BOOTSZ); 2973 return; 2974 } 2975 /* 2976 * When the DOS fdisk command deletes a partition, it is not 2977 * recognized by the old algorithm. The algorithm that 2978 * follows looks at each entry in the Bootrec and copies all 2979 * those that are valid. 2980 */ 2981 j = 0; 2982 for (i = 0; i < FD_NUMPART; i++) { 2983 if (iparts[i].systid == 0) { 2984 /* Null entry */ 2985 bootptr += sizeof (struct ipart); 2986 } else { 2987 fill_ipart(bootptr, &Table[j]); 2988 j++; 2989 bootptr += sizeof (struct ipart); 2990 } 2991 } 2992 for (i = j; i < FD_NUMPART; i++) { 2993 Table[i].systid = UNUSED; 2994 Table[i].numsect = lel(UNUSED); 2995 Table[i].relsect = lel(UNUSED); 2996 Table[i].bootid = 0; 2997 2998 } 2999 /* For now, always replace the bootcode with ours */ 3000 (void) memcpy(Bootblk->bootinst, &BootCod, BOOTSZ); 3001 copy_Table_to_Bootblk(); 3002 } 3003 3004 /* 3005 * fill_ipart 3006 * Initialize ipart structure values. 3007 */ 3008 static void 3009 fill_ipart(char *bootptr, struct ipart *partp) 3010 { 3011 #ifdef sparc 3012 /* Packing struct ipart for Sparc */ 3013 partp->bootid = getbyte(&bootptr); 3014 partp->beghead = getbyte(&bootptr); 3015 partp->begsect = getbyte(&bootptr); 3016 partp->begcyl = getbyte(&bootptr); 3017 partp->systid = getbyte(&bootptr); 3018 partp->endhead = getbyte(&bootptr); 3019 partp->endsect = getbyte(&bootptr); 3020 partp->endcyl = getbyte(&bootptr); 3021 partp->relsect = (int32_t)getlong(&bootptr); 3022 partp->numsect = (int32_t)getlong(&bootptr); 3023 #else 3024 *partp = *(struct ipart *)bootptr; 3025 #endif 3026 } 3027 3028 /* 3029 * getbyte, getlong 3030 * Get a byte, a short, or a long (SPARC only). 3031 */ 3032 #ifdef sparc 3033 uchar_t 3034 getbyte(char **bp) 3035 { 3036 uchar_t b; 3037 3038 b = (uchar_t)**bp; 3039 *bp = *bp + 1; 3040 return (b); 3041 } 3042 3043 uint32_t 3044 getlong(char **bp) 3045 { 3046 int32_t b, bh, bl; 3047 3048 bh = ((**bp) << 8) | *(*bp + 1); 3049 *bp += 2; 3050 bl = ((**bp) << 8) | *(*bp + 1); 3051 *bp += 2; 3052 3053 b = (bh << 16) | bl; 3054 return ((uint32_t)b); 3055 } 3056 #endif 3057 3058 /* 3059 * copy_Table_to_Bootblk 3060 * Copy the table into the 512 boot record. Note that the unused 3061 * entries will always be the last ones in the table and they are 3062 * marked with 100 in sysind. The the unused portion of the table 3063 * is padded with zeros in the bytes after the used entries. 3064 */ 3065 static void 3066 copy_Table_to_Bootblk(void) 3067 { 3068 struct ipart *boot_ptr, *tbl_ptr; 3069 3070 boot_ptr = (struct ipart *)Bootblk->parts; 3071 tbl_ptr = (struct ipart *)&Table[0].bootid; 3072 for (; tbl_ptr < (struct ipart *)&Table[FD_NUMPART].bootid; 3073 tbl_ptr++, boot_ptr++) { 3074 if (tbl_ptr->systid == UNUSED) 3075 (void) memset(boot_ptr, 0, sizeof (struct ipart)); 3076 else 3077 (void) memcpy(boot_ptr, tbl_ptr, sizeof (struct ipart)); 3078 } 3079 Bootblk->signature = les(MBB_MAGIC); 3080 } 3081 3082 /* 3083 * TableChanged 3084 * Check for any changes in the partition table. 3085 */ 3086 static int 3087 TableChanged(void) 3088 { 3089 int i, changed; 3090 3091 changed = 0; 3092 for (i = 0; i < FD_NUMPART; i++) { 3093 if (memcmp(&Old_Table[i], &Table[i], sizeof (Table[0])) != 0) { 3094 /* Partition table changed, write back to disk */ 3095 changed = 1; 3096 } 3097 } 3098 3099 return (changed); 3100 } 3101 3102 /* 3103 * ffile_write 3104 * Display contents of partition table to standard output or 3105 * another file name without writing it to the disk (-W file). 3106 */ 3107 static void 3108 ffile_write(char *file) 3109 { 3110 register int i; 3111 FILE *fp; 3112 3113 /* 3114 * If file isn't standard output, then it's a file name. 3115 * Open file and write it. 3116 */ 3117 if (file != (char *)stdout) { 3118 if ((fp = fopen(file, "w")) == NULL) { 3119 (void) fprintf(stderr, 3120 "fdisk: Cannot open output file %s.\n", 3121 file); 3122 exit(1); 3123 } 3124 } 3125 else 3126 fp = stdout; 3127 3128 /* 3129 * Write the fdisk table information 3130 */ 3131 (void) fprintf(fp, "\n* %s default fdisk table\n", Dfltdev); 3132 (void) fprintf(fp, "* Dimensions:\n"); 3133 (void) fprintf(fp, "* %4d bytes/sector\n", sectsiz); 3134 (void) fprintf(fp, "* %4d sectors/track\n", sectors); 3135 (void) fprintf(fp, "* %4d tracks/cylinder\n", heads); 3136 (void) fprintf(fp, "* %4d cylinders\n", Numcyl); 3137 (void) fprintf(fp, "*\n"); 3138 /* Write virtual (HBA) geometry, if required */ 3139 if (v_flag) { 3140 (void) fprintf(fp, "* HBA Dimensions:\n"); 3141 (void) fprintf(fp, "* %4d bytes/sector\n", sectsiz); 3142 (void) fprintf(fp, "* %4d sectors/track\n", hba_sectors); 3143 (void) fprintf(fp, "* %4d tracks/cylinder\n", hba_heads); 3144 (void) fprintf(fp, "* %4d cylinders\n", hba_Numcyl); 3145 (void) fprintf(fp, "*\n"); 3146 } 3147 (void) fprintf(fp, "* systid:\n"); 3148 (void) fprintf(fp, "* 1: DOSOS12\n"); 3149 (void) fprintf(fp, "* 2: PCIXOS\n"); 3150 (void) fprintf(fp, "* 4: DOSOS16\n"); 3151 (void) fprintf(fp, "* 5: EXTDOS\n"); 3152 (void) fprintf(fp, "* 6: DOSBIG\n"); 3153 (void) fprintf(fp, "* 7: FDISK_IFS\n"); 3154 (void) fprintf(fp, "* 8: FDISK_AIXBOOT\n"); 3155 (void) fprintf(fp, "* 9: FDISK_AIXDATA\n"); 3156 (void) fprintf(fp, "* 10: FDISK_0S2BOOT\n"); 3157 (void) fprintf(fp, "* 11: FDISK_WINDOWS\n"); 3158 (void) fprintf(fp, "* 12: FDISK_EXT_WIN\n"); 3159 (void) fprintf(fp, "* 14: FDISK_FAT95\n"); 3160 (void) fprintf(fp, "* 15: FDISK_EXTLBA\n"); 3161 (void) fprintf(fp, "* 18: DIAGPART\n"); 3162 (void) fprintf(fp, "* 65: FDISK_LINUX\n"); 3163 (void) fprintf(fp, "* 82: FDISK_CPM\n"); 3164 (void) fprintf(fp, "* 86: DOSDATA\n"); 3165 (void) fprintf(fp, "* 98: OTHEROS\n"); 3166 (void) fprintf(fp, "* 99: UNIXOS\n"); 3167 (void) fprintf(fp, "* 101: FDISK_NOVELL3\n"); 3168 (void) fprintf(fp, "* 119: FDISK_QNX4\n"); 3169 (void) fprintf(fp, "* 120: FDISK_QNX42\n"); 3170 (void) fprintf(fp, "* 121: FDISK_QNX43\n"); 3171 (void) fprintf(fp, "* 130: SUNIXOS\n"); 3172 (void) fprintf(fp, "* 131: FDISK_LINUXNAT\n"); 3173 (void) fprintf(fp, "* 134: FDISK_NTFSVOL1\n"); 3174 (void) fprintf(fp, "* 135: FDISK_NTFSVOL2\n"); 3175 (void) fprintf(fp, "* 165: FDISK_BSD\n"); 3176 (void) fprintf(fp, "* 167: FDISK_NEXTSTEP\n"); 3177 (void) fprintf(fp, "* 183: FDISK_BSDIFS\n"); 3178 (void) fprintf(fp, "* 184: FDISK_BSDISWAP\n"); 3179 (void) fprintf(fp, "* 190: X86BOOT\n"); 3180 (void) fprintf(fp, "* 191: SUNIXOS2\n"); 3181 (void) fprintf(fp, "* 238: EFI_PMBR\n"); 3182 (void) fprintf(fp, "* 239: EFI_FS\n"); 3183 (void) fprintf(fp, "*\n"); 3184 (void) fprintf(fp, 3185 "\n* Id Act Bhead Bsect Bcyl Ehead Esect Ecyl" 3186 " Rsect Numsect\n"); 3187 3188 for (i = 0; i < FD_NUMPART; i++) { 3189 if (Table[i].systid != UNUSED) 3190 (void) fprintf(fp, 3191 " %-5d %-4d %-6d %-6d %-7d %-6d %-6d %-7d %-10u" 3192 " %-10u\n", 3193 Table[i].systid, 3194 Table[i].bootid, 3195 Table[i].beghead, 3196 Table[i].begsect & 0x3f, 3197 ((Table[i].begcyl & 0xff) | ((Table[i].begsect & 3198 0xc0) << 2)), 3199 Table[i].endhead, 3200 Table[i].endsect & 0x3f, 3201 ((Table[i].endcyl & 0xff) | ((Table[i].endsect & 3202 0xc0) << 2)), 3203 lel(Table[i].relsect), 3204 lel(Table[i].numsect)); 3205 } 3206 if (fp != stdout) 3207 (void) fclose(fp); 3208 } 3209 3210 /* 3211 * fix_slice 3212 * Read the VTOC table on the Solaris partition and check that no 3213 * slices exist that extend past the end of the Solaris partition. 3214 * If no Solaris partition exists, nothing is done. 3215 */ 3216 static void 3217 fix_slice(void) 3218 { 3219 int i; 3220 uint32_t numsect; 3221 3222 if (io_image) { 3223 return; 3224 } 3225 3226 for (i = 0; i < FD_NUMPART; i++) { 3227 if (Table[i].systid == SUNIXOS || Table[i].systid == SUNIXOS2) { 3228 /* 3229 * Only the size matters (not starting point), since 3230 * VTOC entries are relative to the start of 3231 * the partition. 3232 */ 3233 numsect = lel(Table[i].numsect); 3234 break; 3235 } 3236 } 3237 3238 if (i >= FD_NUMPART) { 3239 if (!io_nifdisk) { 3240 (void) fprintf(stderr, 3241 "fdisk: No Solaris partition found - VTOC not" 3242 " checked.\n"); 3243 } 3244 return; 3245 } 3246 3247 if (readvtoc() != VTOC_OK) { 3248 exit(1); /* Failed to read the VTOC */ 3249 } 3250 for (i = 0; i < V_NUMPAR; i++) { 3251 /* Special case for slice two (entire disk) */ 3252 if (i == 2) { 3253 if (disk_vtoc.v_part[i].p_start != 0) { 3254 (void) fprintf(stderr, 3255 "slice %d starts at %llu, is not at" 3256 " start of partition", 3257 i, disk_vtoc.v_part[i].p_start); 3258 if (!io_nifdisk) { 3259 (void) printf(" adjust ?:"); 3260 if (yesno()) 3261 disk_vtoc.v_part[i].p_start = 0; 3262 } else { 3263 disk_vtoc.v_part[i].p_start = 0; 3264 (void) fprintf(stderr, " adjusted!\n"); 3265 } 3266 3267 } 3268 if (disk_vtoc.v_part[i].p_size != numsect) { 3269 (void) fprintf(stderr, 3270 "slice %d size %llu does not cover" 3271 " complete partition", 3272 i, disk_vtoc.v_part[i].p_size); 3273 if (!io_nifdisk) { 3274 (void) printf(" adjust ?:"); 3275 if (yesno()) 3276 disk_vtoc.v_part[i].p_size = 3277 numsect; 3278 } else { 3279 disk_vtoc.v_part[i].p_size = numsect; 3280 (void) fprintf(stderr, " adjusted!\n"); 3281 } 3282 } 3283 if (disk_vtoc.v_part[i].p_tag != V_BACKUP) { 3284 (void) fprintf(stderr, 3285 "slice %d tag was %d should be %d", 3286 i, disk_vtoc.v_part[i].p_tag, 3287 V_BACKUP); 3288 if (!io_nifdisk) { 3289 (void) printf(" fix ?:"); 3290 if (yesno()) 3291 disk_vtoc.v_part[i].p_tag = 3292 V_BACKUP; 3293 } else { 3294 disk_vtoc.v_part[i].p_tag = V_BACKUP; 3295 (void) fprintf(stderr, " fixed!\n"); 3296 } 3297 } 3298 continue; 3299 } 3300 if (io_ADJT) { 3301 if (disk_vtoc.v_part[i].p_start > numsect || 3302 disk_vtoc.v_part[i].p_start + 3303 disk_vtoc.v_part[i].p_size > numsect) { 3304 (void) fprintf(stderr, 3305 "slice %d (start %llu, end %llu)" 3306 " is larger than the partition", 3307 i, disk_vtoc.v_part[i].p_start, 3308 disk_vtoc.v_part[i].p_start + 3309 disk_vtoc.v_part[i].p_size); 3310 if (!io_nifdisk) { 3311 (void) printf(" remove ?:"); 3312 if (yesno()) { 3313 disk_vtoc.v_part[i].p_size = 0; 3314 disk_vtoc.v_part[i].p_start = 0; 3315 disk_vtoc.v_part[i].p_tag = 0; 3316 disk_vtoc.v_part[i].p_flag = 0; 3317 } 3318 } else { 3319 disk_vtoc.v_part[i].p_size = 0; 3320 disk_vtoc.v_part[i].p_start = 0; 3321 disk_vtoc.v_part[i].p_tag = 0; 3322 disk_vtoc.v_part[i].p_flag = 0; 3323 (void) fprintf(stderr, 3324 " removed!\n"); 3325 } 3326 } 3327 continue; 3328 } 3329 if (disk_vtoc.v_part[i].p_start > numsect) { 3330 (void) fprintf(stderr, 3331 "slice %d (start %llu) is larger than the " 3332 "partition", i, disk_vtoc.v_part[i].p_start); 3333 if (!io_nifdisk) { 3334 (void) printf(" remove ?:"); 3335 if (yesno()) { 3336 disk_vtoc.v_part[i].p_size = 0; 3337 disk_vtoc.v_part[i].p_start = 0; 3338 disk_vtoc.v_part[i].p_tag = 0; 3339 disk_vtoc.v_part[i].p_flag = 0; 3340 } 3341 } else { 3342 disk_vtoc.v_part[i].p_size = 0; 3343 disk_vtoc.v_part[i].p_start = 0; 3344 disk_vtoc.v_part[i].p_tag = 0; 3345 disk_vtoc.v_part[i].p_flag = 0; 3346 (void) fprintf(stderr, 3347 " removed!\n"); 3348 } 3349 } else if (disk_vtoc.v_part[i].p_start 3350 + disk_vtoc.v_part[i].p_size > numsect) { 3351 (void) fprintf(stderr, 3352 "slice %d (end %llu) is larger" 3353 " than the partition", 3354 i, 3355 disk_vtoc.v_part[i].p_start + 3356 disk_vtoc.v_part[i].p_size); 3357 if (!io_nifdisk) { 3358 (void) printf(" adjust ?:"); 3359 if (yesno()) { 3360 disk_vtoc.v_part[i].p_size = numsect; 3361 } 3362 } else { 3363 disk_vtoc.v_part[i].p_size = numsect; 3364 (void) fprintf(stderr, " adjusted!\n"); 3365 } 3366 } 3367 } 3368 #if 1 /* bh for now */ 3369 /* Make the VTOC look sane - ha ha */ 3370 disk_vtoc.v_version = V_VERSION; 3371 disk_vtoc.v_sanity = VTOC_SANE; 3372 disk_vtoc.v_nparts = V_NUMPAR; 3373 if (disk_vtoc.v_sectorsz == 0) 3374 disk_vtoc.v_sectorsz = NBPSCTR; 3375 #endif 3376 3377 /* Write the VTOC back to the disk */ 3378 if (!io_readonly) 3379 (void) writevtoc(); 3380 } 3381 3382 /* 3383 * yesno 3384 * Get yes or no answer. Return 1 for yes and 0 for no. 3385 */ 3386 3387 static int 3388 yesno(void) 3389 { 3390 char s[80]; 3391 3392 for (;;) { 3393 (void) gets(s); 3394 rm_blanks(s); 3395 if ((s[1] != 0) || ((s[0] != 'y') && (s[0] != 'n'))) { 3396 (void) printf(E_LINE); 3397 (void) printf("Please answer with \"y\" or \"n\": "); 3398 continue; 3399 } 3400 if (s[0] == 'y') 3401 return (1); 3402 else 3403 return (0); 3404 } 3405 } 3406 3407 /* 3408 * readvtoc 3409 * Read the VTOC from the Solaris partition of the device. 3410 */ 3411 static int 3412 readvtoc(void) 3413 { 3414 int i; 3415 int retval = VTOC_OK; 3416 3417 if ((i = read_extvtoc(Dev, &disk_vtoc)) < VTOC_OK) { 3418 if (i == VT_EINVAL) { 3419 (void) fprintf(stderr, "fdisk: Invalid VTOC.\n"); 3420 vt_inval++; 3421 retval = VTOC_INVAL; 3422 } else if (i == VT_ENOTSUP) { 3423 (void) fprintf(stderr, "fdisk: partition may have EFI " 3424 "GPT\n"); 3425 retval = VTOC_NOTSUP; 3426 } else { 3427 (void) fprintf(stderr, "fdisk: Cannot read VTOC.\n"); 3428 retval = VTOC_RWERR; 3429 } 3430 } 3431 return (retval); 3432 } 3433 3434 /* 3435 * writevtoc 3436 * Write the VTOC to the Solaris partition on the device. 3437 */ 3438 static int 3439 writevtoc(void) 3440 { 3441 int i; 3442 int retval = 0; 3443 3444 if ((i = write_extvtoc(Dev, &disk_vtoc)) != 0) { 3445 if (i == VT_EINVAL) { 3446 (void) fprintf(stderr, 3447 "fdisk: Invalid entry exists in VTOC.\n"); 3448 retval = VTOC_INVAL; 3449 } else if (i == VT_ENOTSUP) { 3450 (void) fprintf(stderr, "fdisk: partition may have EFI " 3451 "GPT\n"); 3452 retval = VTOC_NOTSUP; 3453 } else { 3454 (void) fprintf(stderr, "fdisk: Cannot write VTOC.\n"); 3455 retval = VTOC_RWERR; 3456 } 3457 } 3458 return (retval); 3459 } 3460 3461 /* 3462 * efi_ioctl 3463 * issues DKIOCSETEFI IOCTL 3464 * (duplicate of private efi_ioctl() in rdwr_efi.c 3465 */ 3466 static int 3467 efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 3468 { 3469 void *data = dk_ioc->dki_data; 3470 int error; 3471 3472 dk_ioc->dki_data_64 = (uintptr_t)data; 3473 error = ioctl(fd, cmd, (void *)dk_ioc); 3474 3475 return (error); 3476 } 3477 3478 /* 3479 * clear_efi 3480 * Clear EFI labels from the EFI_PMBR partition on the device 3481 * This function is modeled on the libefi(3LIB) call efi_write() 3482 */ 3483 static int 3484 clear_efi(void) 3485 { 3486 struct dk_gpt *efi_vtoc; 3487 dk_efi_t dk_ioc; 3488 3489 /* 3490 * see if we can read the EFI label 3491 */ 3492 if (efi_alloc_and_read(Dev, &efi_vtoc) < 0) { 3493 return (VT_ERROR); 3494 } 3495 3496 /* 3497 * set up the dk_ioc structure for writing 3498 */ 3499 dk_ioc.dki_lba = 1; 3500 dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + efi_vtoc->efi_lbasize; 3501 3502 if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) { 3503 return (VT_ERROR); 3504 } 3505 3506 /* 3507 * clear the primary label 3508 */ 3509 if (io_debug) { 3510 (void) fprintf(stderr, 3511 "\tClearing primary EFI label at block %lld\n", 3512 dk_ioc.dki_lba); 3513 } 3514 3515 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 3516 free(dk_ioc.dki_data); 3517 switch (errno) { 3518 case EIO: 3519 return (VT_EIO); 3520 case EINVAL: 3521 return (VT_EINVAL); 3522 default: 3523 return (VT_ERROR); 3524 } 3525 } 3526 3527 /* 3528 * clear the backup partition table 3529 */ 3530 dk_ioc.dki_lba = efi_vtoc->efi_last_u_lba + 1; 3531 dk_ioc.dki_length -= efi_vtoc->efi_lbasize; 3532 dk_ioc.dki_data++; 3533 if (io_debug) { 3534 (void) fprintf(stderr, 3535 "\tClearing backup partition table at block %lld\n", 3536 dk_ioc.dki_lba); 3537 } 3538 3539 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 3540 (void) fprintf(stderr, "\tUnable to clear backup EFI label at " 3541 "block %llu; errno %d\n", efi_vtoc->efi_last_u_lba + 1, 3542 errno); 3543 } 3544 3545 /* 3546 * clear the backup label 3547 */ 3548 dk_ioc.dki_lba = efi_vtoc->efi_last_lba; 3549 dk_ioc.dki_length = efi_vtoc->efi_lbasize; 3550 dk_ioc.dki_data--; 3551 if (io_debug) { 3552 (void) fprintf(stderr, "\tClearing backup label at block " 3553 "%lld\n", dk_ioc.dki_lba); 3554 } 3555 3556 if (efi_ioctl(Dev, DKIOCSETEFI, &dk_ioc) == -1) { 3557 (void) fprintf(stderr, 3558 "\tUnable to clear backup EFI label at " 3559 "block %llu; errno %d\n", 3560 efi_vtoc->efi_last_lba, 3561 errno); 3562 } 3563 3564 free(dk_ioc.dki_data); 3565 efi_free(efi_vtoc); 3566 3567 return (0); 3568 } 3569 3570 /* 3571 * clear_vtoc 3572 * Clear the VTOC from the current or previous Solaris partition on the 3573 * device. 3574 */ 3575 static void 3576 clear_vtoc(int table, int part) 3577 { 3578 struct ipart *clr_table; 3579 struct dk_label disk_label; 3580 uint32_t pcyl, ncyl, count; 3581 diskaddr_t backup_block, solaris_offset; 3582 ssize_t bytes; 3583 off_t seek_byte; 3584 3585 #ifdef DEBUG 3586 struct dk_label read_label; 3587 #endif /* DEBUG */ 3588 3589 if (table == OLD) { 3590 clr_table = &Old_Table[part]; 3591 } else { 3592 clr_table = &Table[part]; 3593 } 3594 3595 (void) memset(&disk_label, 0, sizeof (struct dk_label)); 3596 3597 seek_byte = (off_t)(lel(clr_table->relsect) + VTOC_OFFSET) * sectsiz; 3598 3599 if (io_debug) { 3600 (void) fprintf(stderr, 3601 "\tClearing primary VTOC at byte %llu (block %llu)\n", 3602 (uint64_t)seek_byte, 3603 (uint64_t)(lel(clr_table->relsect) + VTOC_OFFSET)); 3604 } 3605 3606 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 3607 (void) fprintf(stderr, 3608 "\tError seeking to primary label at byte %llu\n", 3609 (uint64_t)seek_byte); 3610 return; 3611 } 3612 3613 bytes = write(Dev, &disk_label, sizeof (struct dk_label)); 3614 3615 if (bytes != sizeof (struct dk_label)) { 3616 (void) fprintf(stderr, 3617 "\tWarning: only %d bytes written to clear primary" 3618 " VTOC!\n", bytes); 3619 } 3620 3621 #ifdef DEBUG 3622 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 3623 (void) fprintf(stderr, 3624 "DEBUG: Error seeking to primary label at byte %llu\n", 3625 (uint64_t)seek_byte); 3626 return; 3627 } else { 3628 (void) fprintf(stderr, 3629 "DEBUG: Successful lseek() to byte %llu\n", 3630 (uint64_t)seek_byte); 3631 } 3632 3633 bytes = read(Dev, &read_label, sizeof (struct dk_label)); 3634 3635 if (bytes != sizeof (struct dk_label)) { 3636 (void) fprintf(stderr, 3637 "DEBUG: Warning: only %d bytes read of label\n", 3638 bytes); 3639 } 3640 3641 if (memcmp(&disk_label, &read_label, sizeof (struct dk_label)) != 0) { 3642 (void) fprintf(stderr, 3643 "DEBUG: Warning: disk_label and read_label differ!!!\n"); 3644 } else { 3645 (void) fprintf(stderr, "DEBUG Good compare of disk_label and " 3646 "read_label\n"); 3647 } 3648 #endif /* DEBUG */ 3649 3650 /* Clear backup label */ 3651 pcyl = lel(clr_table->numsect) / (heads * sectors); 3652 solaris_offset = lel(clr_table->relsect); 3653 ncyl = pcyl - acyl; 3654 3655 backup_block = ((ncyl + acyl - 1) * 3656 (heads * sectors)) + ((heads - 1) * sectors) + 1; 3657 3658 for (count = 1; count < 6; count++) { 3659 seek_byte = (off_t)(solaris_offset + backup_block) * 512; 3660 3661 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 3662 (void) fprintf(stderr, 3663 "\tError seeking to backup label at byte %llu on " 3664 "%s.\n", (uint64_t)seek_byte, Dfltdev); 3665 return; 3666 } 3667 3668 if (io_debug) { 3669 (void) fprintf(stderr, "\tClearing backup VTOC at" 3670 " byte %llu (block %llu)\n", 3671 (uint64_t)seek_byte, 3672 (uint64_t)(solaris_offset + backup_block)); 3673 } 3674 3675 bytes = write(Dev, &disk_label, sizeof (struct dk_label)); 3676 3677 if (bytes != sizeof (struct dk_label)) { 3678 (void) fprintf(stderr, 3679 "\t\tWarning: only %d bytes written to " 3680 "clear backup VTOC at block %llu!\n", bytes, 3681 (uint64_t)(solaris_offset + backup_block)); 3682 } 3683 3684 #ifdef DEBUG 3685 if (lseek(Dev, seek_byte, SEEK_SET) == -1) { 3686 (void) fprintf(stderr, 3687 "DEBUG: Error seeking to backup label at byte %llu\n", 3688 (uint64_t)seek_byte); 3689 return; 3690 } else { 3691 (void) fprintf(stderr, 3692 "DEBUG: Successful lseek() to byte %llu\n", 3693 (uint64_t)seek_byte); 3694 } 3695 3696 bytes = read(Dev, &read_label, sizeof (struct dk_label)); 3697 3698 if (bytes != sizeof (struct dk_label)) { 3699 (void) fprintf(stderr, 3700 "DEBUG: Warning: only %d bytes read of backup label\n", 3701 bytes); 3702 } 3703 3704 if (memcmp(&disk_label, &read_label, sizeof (struct dk_label)) != 0) { 3705 (void) fprintf(stderr, 3706 "DEBUG: Warning: disk_label and read_label differ!!!\n"); 3707 } else { 3708 (void) fprintf(stderr, 3709 "DEBUG: Good compare of disk_label and backup " 3710 "read_label\n"); 3711 } 3712 #endif /* DEBUG */ 3713 3714 backup_block += 2; 3715 } 3716 } 3717 3718 #define FDISK_STANDARD_LECTURE \ 3719 "Fdisk is normally used with the device that " \ 3720 "represents the entire fixed disk.\n" \ 3721 "(For example, /dev/rdsk/c0d0p0 on x86 or " \ 3722 "/dev/rdsk/c0t5d0s2 on sparc).\n" 3723 3724 #define FDISK_LECTURE_NOT_SECTOR_ZERO \ 3725 "The device does not appear to include absolute\n" \ 3726 "sector 0 of the PHYSICAL disk " \ 3727 "(the normal location for an fdisk table).\n" 3728 3729 #define FDISK_LECTURE_NOT_FULL \ 3730 "The device does not appear to encompass the entire PHYSICAL disk.\n" 3731 3732 #define FDISK_LECTURE_NO_VTOC \ 3733 "Unable to find a volume table of contents.\n" \ 3734 "Cannot verify the device encompasses the full PHYSICAL disk.\n" 3735 3736 #define FDISK_LECTURE_NO_GEOM \ 3737 "Unable to get geometry from device.\n" \ 3738 "Cannot verify the device encompasses the full PHYSICAL disk.\n" 3739 3740 #define FDISK_SHALL_I_CONTINUE \ 3741 "Are you sure you want to continue? (y/n) " 3742 3743 /* 3744 * lecture_and_query 3745 * Called when a sanity check fails. This routine gives a warning 3746 * specific to the check that fails, followed by a generic lecture 3747 * about the "right" device to supply as input. Then, if appropriate, 3748 * it will prompt the user on whether or not they want to continue. 3749 * Inappropriate times for prompting are when the user has selected 3750 * non-interactive mode or read-only mode. 3751 */ 3752 static int 3753 lecture_and_query(char *warning, char *devname) 3754 { 3755 if (io_nifdisk) 3756 return (0); 3757 3758 (void) fprintf(stderr, "WARNING: Device %s: \n", devname); 3759 (void) fprintf(stderr, "%s", warning); 3760 (void) fprintf(stderr, FDISK_STANDARD_LECTURE); 3761 (void) fprintf(stderr, FDISK_SHALL_I_CONTINUE); 3762 3763 return (yesno()); 3764 } 3765 3766 static void 3767 sanity_check_provided_device(char *devname, int fd) 3768 { 3769 struct extvtoc v; 3770 struct dk_geom d; 3771 struct part_info pi; 3772 struct extpart_info extpi; 3773 diskaddr_t totsize; 3774 int idx = -1; 3775 3776 /* 3777 * First try the PARTINFO ioctl. If it works, we will be able 3778 * to tell if they've specified the full disk partition by checking 3779 * to see if they've specified a partition that starts at sector 0. 3780 */ 3781 if (ioctl(fd, DKIOCEXTPARTINFO, &extpi) != -1) { 3782 if (extpi.p_start != 0) { 3783 if (!lecture_and_query(FDISK_LECTURE_NOT_SECTOR_ZERO, 3784 devname)) { 3785 (void) close(fd); 3786 exit(1); 3787 } 3788 } 3789 } else if (ioctl(fd, DKIOCPARTINFO, &pi) != -1) { 3790 if (pi.p_start != 0) { 3791 if (!lecture_and_query(FDISK_LECTURE_NOT_SECTOR_ZERO, 3792 devname)) { 3793 (void) close(fd); 3794 exit(1); 3795 } 3796 } 3797 } else { 3798 if ((idx = read_extvtoc(fd, &v)) < 0) { 3799 if (!lecture_and_query(FDISK_LECTURE_NO_VTOC, 3800 devname)) { 3801 (void) close(fd); 3802 exit(1); 3803 } 3804 return; 3805 } 3806 if (ioctl(fd, DKIOCGGEOM, &d) == -1) { 3807 perror(devname); 3808 if (!lecture_and_query(FDISK_LECTURE_NO_GEOM, 3809 devname)) { 3810 (void) close(fd); 3811 exit(1); 3812 } 3813 return; 3814 } 3815 totsize = (diskaddr_t)d.dkg_ncyl * d.dkg_nhead * d.dkg_nsect; 3816 if (v.v_part[idx].p_size != totsize) { 3817 if (!lecture_and_query(FDISK_LECTURE_NOT_FULL, 3818 devname)) { 3819 (void) close(fd); 3820 exit(1); 3821 } 3822 } 3823 } 3824 } 3825 3826 3827 /* 3828 * get_node 3829 * Called from main to construct the name of the device node to open. 3830 * Initially tries to stat the node exactly as provided, if that fails 3831 * we prepend the default path (/dev/rdsk/). 3832 */ 3833 static char * 3834 get_node(char *devname) 3835 { 3836 char *node; 3837 struct stat statbuf; 3838 size_t space; 3839 3840 /* Don't do anything if we are skipping device checks */ 3841 if (io_image) 3842 return (devname); 3843 3844 node = devname; 3845 3846 /* Try the node as provided first */ 3847 if (stat(node, (struct stat *)&statbuf) == -1) { 3848 /* 3849 * Copy the passed in string to a new buffer, prepend the 3850 * default path and try again. 3851 */ 3852 space = strlen(DEFAULT_PATH) + strlen(devname) + 1; 3853 3854 if ((node = malloc(space)) == NULL) { 3855 (void) fprintf(stderr, "fdisk: Unable to obtain memory " 3856 "for device node.\n"); 3857 exit(1); 3858 } 3859 3860 /* Copy over the default path and the provided node */ 3861 (void) strncpy(node, DEFAULT_PATH, strlen(DEFAULT_PATH)); 3862 space -= strlen(DEFAULT_PATH); 3863 (void) strlcpy(node + strlen(DEFAULT_PATH), devname, space); 3864 3865 /* Try to stat it again */ 3866 if (stat(node, (struct stat *)&statbuf) == -1) { 3867 /* Failed all options, give up */ 3868 (void) fprintf(stderr, 3869 "fdisk: Cannot stat device %s.\n", 3870 devname); 3871 exit(1); 3872 } 3873 } 3874 3875 /* Make sure the device specified is the raw device */ 3876 if ((statbuf.st_mode & S_IFMT) != S_IFCHR) { 3877 (void) fprintf(stderr, 3878 "fdisk: %s must be a raw device.\n", node); 3879 exit(1); 3880 } 3881 3882 return (node); 3883 } 3884