4 * I think this is mostly, or entirely, due to
5 * Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
7 * Merged with fdisk for other architectures, aeb, June 1998.
9 * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
10 * Internationalization
12 * Licensed under GPLv2, see file LICENSE in this source tree.
15 #if ENABLE_FEATURE_SUN_LABEL
18 #define SUN_WHOLE_DISK 5
20 #define SUN_LABEL_MAGIC 0xDABE
21 #define SUN_LABEL_MAGIC_SWAPPED 0xBEDA
22 #define SUN_SSWAP16(x) (sun_other_endian ? fdisk_swap16(x) : (uint16_t)(x))
23 #define SUN_SSWAP32(x) (sun_other_endian ? fdisk_swap32(x) : (uint32_t)(x))
25 /* Copied from linux/major.h */
26 #define FLOPPY_MAJOR 2
28 #define SCSI_IOCTL_GET_IDLUN 0x5382
30 static smallint sun_other_endian;
31 static smallint scsi_disk;
32 static smallint floppy;
42 guess_device_type(void)
46 if (fstat(dev_fd, &bootstat) < 0) {
49 } else if (S_ISBLK(bootstat.st_mode)
50 && (major(bootstat.st_rdev) == IDE0_MAJOR ||
51 major(bootstat.st_rdev) == IDE1_MAJOR)) {
54 } else if (S_ISBLK(bootstat.st_mode)
55 && major(bootstat.st_rdev) == FLOPPY_MAJOR) {
64 static const char *const sun_sys_types[] = {
65 "\x00" "Empty" , /* 0 */
66 "\x01" "Boot" , /* 1 */
67 "\x02" "SunOS root" , /* 2 */
68 "\x03" "SunOS swap" , /* SUNOS_SWAP */
69 "\x04" "SunOS usr" , /* 4 */
70 "\x05" "Whole disk" , /* SUN_WHOLE_DISK */
71 "\x06" "SunOS stand" , /* 6 */
72 "\x07" "SunOS var" , /* 7 */
73 "\x08" "SunOS home" , /* 8 */
74 "\x82" "Linux swap" , /* LINUX_SWAP */
75 "\x83" "Linux native", /* LINUX_NATIVE */
76 "\x8e" "Linux LVM" , /* 0x8e */
77 /* New (2.2.x) raid partition with autodetect using persistent superblock */
78 "\xfd" "Linux raid autodetect", /* 0xfd */
84 set_sun_partition(int i, unsigned start, unsigned stop, int sysid)
86 sunlabel->infos[i].id = sysid;
87 sunlabel->partitions[i].start_cylinder =
88 SUN_SSWAP32(start / (g_heads * g_sectors));
89 sunlabel->partitions[i].num_sectors =
90 SUN_SSWAP32(stop - start);
100 if (sunlabel->magic != SUN_LABEL_MAGIC
101 && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED
103 current_label_type = LABEL_DOS;
104 sun_other_endian = 0;
107 sun_other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED);
108 ush = ((unsigned short *) (sunlabel + 1)) - 1;
109 for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--;
111 printf("Detected sun disklabel with wrong checksum.\n"
112 "Probably you'll have to set all the values,\n"
113 "e.g. heads, sectors, cylinders and partitions\n"
114 "or force a fresh label (s command in main menu)\n");
116 g_heads = SUN_SSWAP16(sunlabel->ntrks);
117 g_cylinders = SUN_SSWAP16(sunlabel->ncyl);
118 g_sectors = SUN_SSWAP16(sunlabel->nsect);
121 current_label_type = LABEL_SUN;
126 static const struct sun_predefined_drives {
129 unsigned short sparecyl;
131 unsigned short nacyl;
132 unsigned short pcylcount;
133 unsigned short ntrks;
134 unsigned short nsect;
135 unsigned short rspeed;
137 { "Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
138 { "Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
139 { "CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
140 { "IBM","DPES-31080",0,4901,2,4903,4,108,5400},
141 { "IBM","DORS-32160",0,1015,2,1017,67,62,5400},
142 { "IBM","DNES-318350",0,11199,2,11474,10,320,7200},
143 { "SEAGATE","ST34371",0,3880,2,3882,16,135,7228},
144 { "","SUN0104",1,974,2,1019,6,35,3662},
145 { "","SUN0207",4,1254,2,1272,9,36,3600},
146 { "","SUN0327",3,1545,2,1549,9,46,3600},
147 { "","SUN0340",0,1538,2,1544,6,72,4200},
148 { "","SUN0424",2,1151,2,2500,9,80,4400},
149 { "","SUN0535",0,1866,2,2500,7,80,5400},
150 { "","SUN0669",5,1614,2,1632,15,54,3600},
151 { "","SUN1.0G",5,1703,2,1931,15,80,3597},
152 { "","SUN1.05",0,2036,2,2038,14,72,5400},
153 { "","SUN1.3G",6,1965,2,3500,17,80,5400},
154 { "","SUN2.1G",0,2733,2,3500,19,80,5400},
155 { "IOMEGA","Jaz",0,1019,2,1021,64,32,5394},
158 static const struct sun_predefined_drives *
159 sun_autoconfigure_scsi(void)
161 const struct sun_predefined_drives *p = NULL;
163 #ifdef SCSI_IOCTL_GET_IDLUN
173 if (ioctl(dev_fd, SCSI_IOCTL_GET_IDLUN, &id))
177 "Host: scsi%u Channel: %02u Id: %02u Lun: %02u\n",
178 /* This is very wrong (works only if you have one HBA),
179 but I haven't found a way how to get hostno
180 from the current kernel */
186 pfd = fopen_for_read("/proc/scsi/scsi");
190 while (fgets(buffer2, 2048, pfd)) {
191 if (strcmp(buffer, buffer2))
193 if (!fgets(buffer2, 2048, pfd))
195 q = strstr(buffer2, "Vendor: ");
201 *q++ = '\0'; /* truncate vendor name */
202 q = strstr(q, "Model: ");
208 q = strstr(q, " Rev: ");
212 for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
213 if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
215 if (!strstr(model, sun_drives[i].model))
217 printf("Autoconfigure found a %s%s%s\n",
218 sun_drives[i].vendor,
219 (*sun_drives[i].vendor) ? " " : "",
220 sun_drives[i].model);
232 create_sunlabel(void)
234 struct hd_geometry geometry;
237 const struct sun_predefined_drives *p = NULL;
239 printf(msg_building_new_label, "sun disklabel");
241 sun_other_endian = BB_LITTLE_ENDIAN;
242 memset(MBRbuffer, 0, sizeof(MBRbuffer));
243 sunlabel->magic = SUN_SSWAP16(SUN_LABEL_MAGIC);
247 " ? auto configure\n"
248 " 0 custom (with hardware detected defaults)");
249 for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
250 printf(" %c %s%s%s\n",
251 i + 'a', sun_drives[i].vendor,
252 (*sun_drives[i].vendor) ? " " : "",
253 sun_drives[i].model);
256 c = read_nonempty("Select type (? for auto, 0 for custom): ");
260 if (c >= 'a' && c < 'a' + ARRAY_SIZE(sun_drives)) {
261 p = sun_drives + c - 'a';
264 if (c >= 'A' && c < 'A' + ARRAY_SIZE(sun_drives)) {
265 p = sun_drives + c - 'A';
268 if (c == '?' && scsi_disk) {
269 p = sun_autoconfigure_scsi();
272 printf("Autoconfigure failed\n");
277 if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
278 g_heads = geometry.heads;
279 g_sectors = geometry.sectors;
280 g_cylinders = geometry.cylinders;
288 sunlabel->pcylcount = SUN_SSWAP16(g_cylinders);
289 sunlabel->rspeed = SUN_SSWAP16(300);
290 sunlabel->ilfact = SUN_SSWAP16(1);
291 sunlabel->sparecyl = 0;
293 g_heads = read_int(1, g_heads, 1024, 0, "Heads");
294 g_sectors = read_int(1, g_sectors, 1024, 0, "Sectors/track");
296 g_cylinders = read_int(1, g_cylinders - 2, 65535, 0, "Cylinders");
298 g_cylinders = read_int(1, 0, 65535, 0, "Cylinders");
299 sunlabel->nacyl = SUN_SSWAP16(read_int(0, 2, 65535, 0, "Alternate cylinders"));
300 sunlabel->pcylcount = SUN_SSWAP16(read_int(0, g_cylinders + SUN_SSWAP16(sunlabel->nacyl), 65535, 0, "Physical cylinders"));
301 sunlabel->rspeed = SUN_SSWAP16(read_int(1, 5400, 100000, 0, "Rotation speed (rpm)"));
302 sunlabel->ilfact = SUN_SSWAP16(read_int(1, 1, 32, 0, "Interleave factor"));
303 sunlabel->sparecyl = SUN_SSWAP16(read_int(0, 0, g_sectors, 0, "Extra sectors per cylinder"));
306 sunlabel->sparecyl = SUN_SSWAP16(p->sparecyl);
307 sunlabel->ncyl = SUN_SSWAP16(p->ncyl);
308 sunlabel->nacyl = SUN_SSWAP16(p->nacyl);
309 sunlabel->pcylcount = SUN_SSWAP16(p->pcylcount);
310 sunlabel->ntrks = SUN_SSWAP16(p->ntrks);
311 sunlabel->nsect = SUN_SSWAP16(p->nsect);
312 sunlabel->rspeed = SUN_SSWAP16(p->rspeed);
313 sunlabel->ilfact = SUN_SSWAP16(1);
314 g_cylinders = p->ncyl;
316 g_sectors = p->nsect;
317 puts("You may change all the disk params from the x menu");
320 snprintf((char *)(sunlabel->info), sizeof(sunlabel->info),
321 "%s%s%s cyl %u alt %u hd %u sec %u",
322 p ? p->vendor : "", (p && *p->vendor) ? " " : "",
323 p ? p->model : (floppy ? "3,5\" floppy" : "Linux custom"),
324 g_cylinders, SUN_SSWAP16(sunlabel->nacyl), g_heads, g_sectors);
326 sunlabel->ntrks = SUN_SSWAP16(g_heads);
327 sunlabel->nsect = SUN_SSWAP16(g_sectors);
328 sunlabel->ncyl = SUN_SSWAP16(g_cylinders);
330 set_sun_partition(0, 0, g_cylinders * g_heads * g_sectors, LINUX_NATIVE);
332 if (g_cylinders * g_heads * g_sectors >= 150 * 2048) {
333 ndiv = g_cylinders - (50 * 2048 / (g_heads * g_sectors)); /* 50M swap */
335 ndiv = g_cylinders * 2 / 3;
336 set_sun_partition(0, 0, ndiv * g_heads * g_sectors, LINUX_NATIVE);
337 set_sun_partition(1, ndiv * g_heads * g_sectors, g_cylinders * g_heads * g_sectors, LINUX_SWAP);
338 sunlabel->infos[1].flags |= 0x01; /* Not mountable */
340 set_sun_partition(2, 0, g_cylinders * g_heads * g_sectors, SUN_WHOLE_DISK);
342 unsigned short *ush = (unsigned short *)sunlabel;
343 unsigned short csum = 0;
344 while (ush < (unsigned short *)(&sunlabel->csum))
346 sunlabel->csum = csum;
352 get_boot(CREATE_EMPTY_SUN);
356 toggle_sunflags(int i, unsigned char mask)
358 if (sunlabel->infos[i].flags & mask)
359 sunlabel->infos[i].flags &= ~mask;
361 sunlabel->infos[i].flags |= mask;
366 fetch_sun(unsigned *starts, unsigned *lens, unsigned *start, unsigned *stop)
368 int i, continuous = 1;
371 *stop = g_cylinders * g_heads * g_sectors;
372 for (i = 0; i < g_partitions; i++) {
373 if (sunlabel->partitions[i].num_sectors
374 && sunlabel->infos[i].id
375 && sunlabel->infos[i].id != SUN_WHOLE_DISK) {
376 starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
377 lens[i] = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
379 if (starts[i] == *start)
381 else if (starts[i] + lens[i] >= *stop)
385 /* There will be probably more gaps
386 than one, so lets check afterwards */
395 static unsigned *verify_sun_starts;
398 verify_sun_cmp(int *a, int *b)
400 if (*a == -1) return 1;
401 if (*b == -1) return -1;
402 if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
409 unsigned starts[8], lens[8], start, stop;
410 int i,j,k,starto,endo;
413 verify_sun_starts = starts;
414 fetch_sun(starts, lens, &start, &stop);
415 for (k = 0; k < 7; k++) {
416 for (i = 0; i < 8; i++) {
417 if (k && (lens[i] % (g_heads * g_sectors))) {
418 printf("Partition %u doesn't end on cylinder boundary\n", i+1);
421 for (j = 0; j < i; j++)
423 if (starts[j] == starts[i]+lens[i]) {
424 starts[j] = starts[i]; lens[j] += lens[i];
426 } else if (starts[i] == starts[j]+lens[j]){
430 if (starts[i] < starts[j]+lens[j]
431 && starts[j] < starts[i]+lens[i]) {
433 if (starts[j] > starto)
435 endo = starts[i]+lens[i];
436 if (starts[j]+lens[j] < endo)
437 endo = starts[j]+lens[j];
438 printf("Partition %u overlaps with others in "
439 "sectors %u-%u\n", i+1, starto, endo);
446 for (i = 0; i < 8; i++) {
452 qsort(array, ARRAY_SIZE(array), sizeof(array[0]),
453 (int (*)(const void *,const void *)) verify_sun_cmp);
454 if (array[0] == -1) {
455 printf("No partitions defined\n");
458 stop = g_cylinders * g_heads * g_sectors;
459 if (starts[array[0]])
460 printf("Unused gap - sectors %u-%u\n", 0, starts[array[0]]);
461 for (i = 0; i < 7 && array[i+1] != -1; i++) {
462 printf("Unused gap - sectors %u-%u\n", starts[array[i]]+lens[array[i]], starts[array[i+1]]);
464 start = starts[array[i]] + lens[array[i]];
466 printf("Unused gap - sectors %u-%u\n", start, stop);
470 add_sun_partition(int n, int sys)
472 unsigned start, stop, stop2;
473 unsigned starts[8], lens[8];
479 if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) {
480 printf(msg_part_already_defined, n + 1);
484 fetch_sun(starts, lens, &start, &stop);
489 printf("Other partitions already cover the whole disk.\n"
490 "Delete/shrink them before retry.\n");
494 snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
497 first = read_int(0, 0, 0, 0, mesg);
499 first = read_int(scround(start), scround(stop)+1,
500 scround(stop), 0, mesg);
501 if (display_in_cyl_units) {
502 first *= units_per_sector;
504 /* Starting sector has to be properly aligned */
505 first = (first + g_heads * g_sectors - 1) /
506 (g_heads * g_sectors);
507 first *= g_heads * g_sectors;
509 if (n == 2 && first != 0)
511 It is highly recommended that the third partition covers the whole disk\n\
512 and is of type 'Whole disk'\n");
513 /* ewt asks to add: "don't start a partition at cyl 0"
514 However, edmundo@rano.demon.co.uk writes:
515 "In addition to having a Sun partition table, to be able to
516 boot from the disc, the first partition, /dev/sdX1, must
517 start at cylinder 0. This means that /dev/sdX1 contains
518 the partition table and the boot block, as these are the
519 first two sectors of the disc. Therefore you must be
520 careful what you use /dev/sdX1 for. In particular, you must
521 not use a partition starting at cylinder 0 for Linux swap,
522 as that would overwrite the partition table and the boot
523 block. You may, however, use such a partition for a UFS
524 or EXT2 file system, as these file systems leave the first
525 1024 bytes undisturbed. */
526 /* On the other hand, one should not use partitions
527 starting at block 0 in an md, or the label will
529 for (i = 0; i < g_partitions; i++)
530 if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first)
532 if (i < g_partitions && !whole_disk) {
533 if (n == 2 && !first) {
537 printf("Sector %u is already allocated\n", first);
541 stop = g_cylinders * g_heads * g_sectors;
543 for (i = 0; i < g_partitions; i++) {
544 if (starts[i] > first && starts[i] < stop)
547 snprintf(mesg, sizeof(mesg),
548 "Last %s or +size or +sizeM or +sizeK",
549 str_units(SINGULAR));
551 last = read_int(scround(stop2), scround(stop2), scround(stop2),
553 else if (n == 2 && !first)
554 last = read_int(scround(first), scround(stop2), scround(stop2),
555 scround(first), mesg);
557 last = read_int(scround(first), scround(stop), scround(stop),
558 scround(first), mesg);
559 if (display_in_cyl_units)
560 last *= units_per_sector;
561 if (n == 2 && !first) {
565 } else if (last > stop) {
567 "You haven't covered the whole disk with the 3rd partition,\n"
568 "but your value %u %s covers some other partition.\n"
569 "Your entry has been changed to %u %s\n",
570 scround(last), str_units(SINGULAR),
571 scround(stop), str_units(SINGULAR));
574 } else if (!whole_disk && last > stop)
578 sys = SUN_WHOLE_DISK;
579 set_sun_partition(n, first, last, sys);
583 sun_delete_partition(int i)
588 && sunlabel->infos[i].id == SUN_WHOLE_DISK
589 && !sunlabel->partitions[i].start_cylinder
590 && (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors)) == g_heads * g_sectors * g_cylinders)
591 printf("If you want to maintain SunOS/Solaris compatibility, "
592 "consider leaving this\n"
593 "partition as Whole disk (5), starting at 0, with %u "
595 sunlabel->infos[i].id = 0;
596 sunlabel->partitions[i].num_sectors = 0;
600 sun_change_sysid(int i, int sys)
602 if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) {
604 "It is highly recommended that the partition at offset 0\n"
605 "is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
606 "there may destroy your partition table and bootblock.\n"
607 "Type YES if you're very sure you would like that partition\n"
608 "tagged with 82 (Linux swap): ");
609 if (strcmp (line_ptr, "YES\n"))
615 /* swaps are not mountable by default */
616 sunlabel->infos[i].flags |= 0x01;
619 /* assume other types are mountable;
620 user can change it anyway */
621 sunlabel->infos[i].flags &= ~0x01;
624 sunlabel->infos[i].id = sys;
628 sun_list_table(int xtra)
632 w = strlen(disk_device);
635 "\nDisk %s (Sun disk label): %u heads, %u sectors, %u rpm\n"
636 "%u cylinders, %u alternate cylinders, %u physical cylinders\n"
637 "%u extra sects/cyl, interleave %u:1\n"
639 "Units = %s of %u * 512 bytes\n\n",
640 disk_device, g_heads, g_sectors, SUN_SSWAP16(sunlabel->rspeed),
641 g_cylinders, SUN_SSWAP16(sunlabel->nacyl),
642 SUN_SSWAP16(sunlabel->pcylcount),
643 SUN_SSWAP16(sunlabel->sparecyl),
644 SUN_SSWAP16(sunlabel->ilfact),
646 str_units(PLURAL), units_per_sector);
649 "\nDisk %s (Sun disk label): %u heads, %u sectors, %u cylinders\n"
650 "Units = %s of %u * 512 bytes\n\n",
651 disk_device, g_heads, g_sectors, g_cylinders,
652 str_units(PLURAL), units_per_sector);
654 printf("%*s Flag Start End Blocks Id System\n",
656 for (i = 0; i < g_partitions; i++) {
657 if (sunlabel->partitions[i].num_sectors) {
658 uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
659 uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
660 printf("%s %c%c %9lu %9lu %9lu%c %2x %s\n",
661 partname(disk_device, i+1, w), /* device */
662 (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ', /* flags */
663 (sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
664 (long) scround(start), /* start */
665 (long) scround(start+len), /* end */
666 (long) len / 2, len & 1 ? '+' : ' ', /* odd flag on end */
667 sunlabel->infos[i].id, /* type id */
668 partition_type(sunlabel->infos[i].id)); /* type name */
673 #if ENABLE_FEATURE_FDISK_ADVANCED
676 sun_set_alt_cyl(void)
679 SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->nacyl), 65535, 0,
680 "Number of alternate cylinders"));
684 sun_set_ncyl(int cyl)
686 sunlabel->ncyl = SUN_SSWAP16(cyl);
693 SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), g_sectors, 0,
694 "Extra sectors per cylinder"));
701 SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->ilfact), 32, 0,
702 "Interleave factor"));
709 SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->rspeed), 100000, 0,
710 "Rotation speed (rpm)"));
714 sun_set_pcylcount(void)
716 sunlabel->pcylcount =
717 SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->pcylcount), 65535, 0,
718 "Number of physical cylinders"));
720 #endif /* FEATURE_FDISK_ADVANCED */
723 sun_write_table(void)
725 unsigned short *ush = (unsigned short *)sunlabel;
726 unsigned short csum = 0;
728 while (ush < (unsigned short *)(&sunlabel->csum))
730 sunlabel->csum = csum;
731 write_sector(0, sunlabel);
733 #endif /* SUN_LABEL */