/* * fdisksunlabel.c * * I think this is mostly, or entirely, due to * Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996 * * Merged with fdisk for other architectures, aeb, June 1998. * * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo * Internationalization */ #include /* stderr */ #include /* qsort */ #include /* strstr */ #include /* write */ #include /* ioctl */ #include /* stat */ #include /* major */ #include "nls.h" #include #include "../defines.h" /* for HAVE_scsi_h */ #ifdef HAVE_scsi_h #define u_char unsigned char #include /* SCSI_IOCTL_GET_IDLUN */ #undef u_char #endif #include /* FLOPPY_MAJOR */ #include "common.h" #include "fdisk.h" #include "fdisksunlabel.h" static int other_endian = 0; static int scsi_disk = 0; static int floppy = 0; #define LINUX_SWAP 0x82 #define LINUX_NATIVE 0x83 struct systypes sun_sys_types[] = { {0, N_("Empty")}, {1, N_("Boot")}, {2, N_("SunOS root")}, {SUNOS_SWAP, N_("SunOS swap")}, {4, N_("SunOS usr")}, {WHOLE_DISK, N_("Whole disk")}, {6, N_("SunOS stand")}, {7, N_("SunOS var")}, {8, N_("SunOS home")}, {LINUX_SWAP, N_("Linux swap")}, {LINUX_NATIVE, N_("Linux native")}, {0x8e, N_("Linux LVM")}, {0xfd, N_("Linux raid autodetect")},/* New (2.2.x) raid partition with autodetect using persistent superblock */ { 0, NULL } }; static inline unsigned short __swap16(unsigned short x) { return (((__u16)(x) & 0xFF) << 8) | (((__u16)(x) & 0xFF00) >> 8); } static inline __u32 __swap32(__u32 x) { return (((__u32)(x) & 0xFF) << 24) | (((__u32)(x) & 0xFF00) << 8) | (((__u32)(x) & 0xFF0000) >> 8) | (((__u32)(x) & 0xFF000000) >> 24); } int get_num_sectors(struct sun_partition p) { return SSWAP32(p.num_sectors); } #ifndef IDE0_MAJOR #define IDE0_MAJOR 3 #endif #ifndef IDE1_MAJOR #define IDE1_MAJOR 22 #endif void guess_device_type(int fd) { struct stat bootstat; if (fstat (fd, &bootstat) < 0) { scsi_disk = 0; floppy = 0; } else if (S_ISBLK(bootstat.st_mode) && (major(bootstat.st_rdev) == IDE0_MAJOR || major(bootstat.st_rdev) == IDE1_MAJOR)) { scsi_disk = 0; floppy = 0; } else if (S_ISBLK(bootstat.st_mode) && major(bootstat.st_rdev) == FLOPPY_MAJOR) { scsi_disk = 0; floppy = 1; } else { scsi_disk = 1; floppy = 0; } } static void set_sun_partition(int i, unsigned int start, unsigned int stop, int sysid) { sunlabel->infos[i].id = sysid; sunlabel->partitions[i].start_cylinder = SSWAP32(start / (heads * sectors)); sunlabel->partitions[i].num_sectors = SSWAP32(stop - start); set_changed(i); } void sun_nolabel(void) { sun_label = 0; sunlabel->magic = 0; partitions = 4; } int check_sun_label(void) { unsigned short *ush; int csum; if (sunlabel->magic != SUN_LABEL_MAGIC && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED) { sun_label = 0; other_endian = 0; return 0; } other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED); ush = ((unsigned short *) (sunlabel + 1)) - 1; for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--; if (csum) { fprintf(stderr,_("Detected sun disklabel with wrong checksum.\n" "Probably you'll have to set all the values,\n" "e.g. heads, sectors, cylinders and partitions\n" "or force a fresh label (s command in main menu)\n")); } else { heads = SSWAP16(sunlabel->ntrks); cylinders = SSWAP16(sunlabel->ncyl); sectors = SSWAP16(sunlabel->nsect); } update_units(); sun_label = 1; partitions = 8; return 1; } struct sun_predefined_drives { char *vendor; char *model; unsigned short sparecyl; unsigned short ncyl; unsigned short nacyl; unsigned short pcylcount; unsigned short ntrks; unsigned short nsect; unsigned short rspeed; } sun_drives[] = { {"Quantum","ProDrive 80S",1,832,2,834,6,34,3662}, {"Quantum","ProDrive 105S",1,974,2,1019,6,35,3662}, {"CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600}, {"IBM","DPES-31080",0,4901,2,4903,4,108,5400}, {"IBM","DORS-32160",0,1015,2,1017,67,62,5400}, {"IBM","DNES-318350",0,11199,2,11474,10,320,7200}, {"SEAGATE","ST34371",0,3880,2,3882,16,135,7228}, {"","SUN0104",1,974,2,1019,6,35,3662}, {"","SUN0207",4,1254,2,1272,9,36,3600}, {"","SUN0327",3,1545,2,1549,9,46,3600}, {"","SUN0340",0,1538,2,1544,6,72,4200}, {"","SUN0424",2,1151,2,2500,9,80,4400}, {"","SUN0535",0,1866,2,2500,7,80,5400}, {"","SUN0669",5,1614,2,1632,15,54,3600}, {"","SUN1.0G",5,1703,2,1931,15,80,3597}, {"","SUN1.05",0,2036,2,2038,14,72,5400}, {"","SUN1.3G",6,1965,2,3500,17,80,5400}, {"","SUN2.1G",0,2733,2,3500,19,80,5400}, {"IOMEGA","Jaz",0,1019,2,1021,64,32,5394}, }; static struct sun_predefined_drives * sun_autoconfigure_scsi(void) { struct sun_predefined_drives *p = NULL; #ifdef SCSI_IOCTL_GET_IDLUN unsigned int id[2]; char buffer[2048]; char buffer2[2048]; FILE *pfd; char *vendor; char *model; char *q; int i; if (!ioctl(fd, SCSI_IOCTL_GET_IDLUN, &id)) { sprintf(buffer, "Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n", #if 0 ((id[0]>>24)&0xff)-/*PROC_SCSI_SCSI+PROC_SCSI_FILE*/33, #else /* This is very wrong (works only if you have one HBA), but I haven't found a way how to get hostno from the current kernel */ 0, #endif (id[0]>>16)&0xff, id[0]&0xff, (id[0]>>8)&0xff); pfd = fopen("/proc/scsi/scsi","r"); if (pfd) { while (fgets(buffer2,2048,pfd)) { if (!strcmp(buffer, buffer2)) { if (fgets(buffer2,2048,pfd)) { q = strstr(buffer2,"Vendor: "); if (q) { q += 8; vendor = q; q = strstr(q," "); *q++ = 0; /* truncate vendor name */ q = strstr(q,"Model: "); if (q) { *q = 0; q += 7; model = q; q = strstr(q," Rev: "); if (q) { *q = 0; for (i = 0; i < SIZE(sun_drives); i++) { if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor)) continue; if (!strstr(model, sun_drives[i].model)) continue; printf(_("Autoconfigure found a %s%s%s\n"),sun_drives[i].vendor,(*sun_drives[i].vendor) ? " " : "",sun_drives[i].model); p = sun_drives + i; break; } } } } } break; } } fclose(pfd); } } #endif return p; } void create_sunlabel(void) { struct hd_geometry geometry; unsigned int ndiv; int i; unsigned char c; struct sun_predefined_drives *p = NULL; fprintf(stderr, _("Building a new sun disklabel. Changes will remain in memory only,\n" "until you decide to write them. After that, of course, the previous\n" "content won't be recoverable.\n\n")); #if BYTE_ORDER == LITTLE_ENDIAN other_endian = 1; #else other_endian = 0; #endif memset(MBRbuffer, 0, sizeof(MBRbuffer)); sunlabel->magic = SSWAP16(SUN_LABEL_MAGIC); if (!floppy) { puts(_("Drive type\n" " ? auto configure\n" " 0 custom (with hardware detected defaults)")); for (i = 0; i < SIZE(sun_drives); i++) { printf(" %c %s%s%s\n", i + 'a', sun_drives[i].vendor, (*sun_drives[i].vendor) ? " " : "", sun_drives[i].model); } for (;;) { c = read_char(_("Select type (? for auto, 0 for custom): ")); if (c >= 'a' && c < 'a' + SIZE(sun_drives)) { p = sun_drives + c - 'a'; break; } else if (c >= 'A' && c < 'A' + SIZE(sun_drives)) { p = sun_drives + c - 'A'; break; } else if (c == '0') { break; } else if (c == '?' && scsi_disk) { p = sun_autoconfigure_scsi(); if (!p) printf(_("Autoconfigure failed.\n")); else break; } } } if (!p || floppy) { if (!ioctl(fd, HDIO_GETGEO, &geometry)) { heads = geometry.heads; sectors = geometry.sectors; cylinders = geometry.cylinders; } else { heads = 0; sectors = 0; cylinders = 0; } if (floppy) { sunlabel->nacyl = 0; sunlabel->pcylcount = SSWAP16(cylinders); sunlabel->rspeed = SSWAP16(300); sunlabel->ilfact = SSWAP16(1); sunlabel->sparecyl = 0; } else { heads = read_int(1,heads,1024,0,_("Heads")); sectors = read_int(1,sectors,1024,0,_("Sectors/track")); if (cylinders) cylinders = read_int(1,cylinders-2,65535,0,_("Cylinders")); else cylinders = read_int(1,0,65535,0,_("Cylinders")); sunlabel->nacyl = SSWAP16(read_int(0,2,65535,0, _("Alternate cylinders"))); sunlabel->pcylcount = SSWAP16(read_int(0,cylinders+SSWAP16(sunlabel->nacyl), 65535,0,_("Physical cylinders"))); sunlabel->rspeed = SSWAP16(read_int(1,5400,100000,0, _("Rotation speed (rpm)"))); sunlabel->ilfact = SSWAP16(read_int(1,1,32,0,_("Interleave factor"))); sunlabel->sparecyl = SSWAP16(read_int(0,0,sectors,0, _("Extra sectors per cylinder"))); } } else { sunlabel->sparecyl = SSWAP16(p->sparecyl); sunlabel->ncyl = SSWAP16(p->ncyl); sunlabel->nacyl = SSWAP16(p->nacyl); sunlabel->pcylcount = SSWAP16(p->pcylcount); sunlabel->ntrks = SSWAP16(p->ntrks); sunlabel->nsect = SSWAP16(p->nsect); sunlabel->rspeed = SSWAP16(p->rspeed); sunlabel->ilfact = SSWAP16(1); cylinders = p->ncyl; heads = p->ntrks; sectors = p->nsect; puts(_("You may change all the disk params from the x menu")); } snprintf(sunlabel->info, sizeof(sunlabel->info), "%s%s%s cyl %d alt %d hd %d sec %d", p ? p->vendor : "", (p && *p->vendor) ? " " : "", p ? p->model : (floppy ? _("3,5\" floppy") : _("Linux custom")), cylinders, SSWAP16(sunlabel->nacyl), heads, sectors); sunlabel->ntrks = SSWAP16(heads); sunlabel->nsect = SSWAP16(sectors); sunlabel->ncyl = SSWAP16(cylinders); if (floppy) set_sun_partition(0, 0, cylinders * heads * sectors, LINUX_NATIVE); else { if (cylinders * heads * sectors >= 150 * 2048) { ndiv = cylinders - (50 * 2048 / (heads * sectors)); /* 50M swap */ } else ndiv = cylinders * 2 / 3; set_sun_partition(0, 0, ndiv * heads * sectors, LINUX_NATIVE); set_sun_partition(1, ndiv * heads * sectors, cylinders * heads * sectors, LINUX_SWAP); sunlabel->infos[1].flags |= 0x01; /* Not mountable */ } set_sun_partition(2, 0, cylinders * heads * sectors, WHOLE_DISK); { unsigned short *ush = (unsigned short *)sunlabel; unsigned short csum = 0; while(ush < (unsigned short *)(&sunlabel->csum)) csum ^= *ush++; sunlabel->csum = csum; } set_all_unchanged(); set_changed(0); get_boot(create_empty_sun); } void toggle_sunflags(int i, unsigned char mask) { if (sunlabel->infos[i].flags & mask) sunlabel->infos[i].flags &= ~mask; else sunlabel->infos[i].flags |= mask; set_changed(i); } static void fetch_sun(unsigned int *starts, unsigned int *lens, unsigned int *start, unsigned int *stop) { int i, continuous = 1; *start = 0; *stop = cylinders * heads * sectors; for (i = 0; i < partitions; i++) { if (sunlabel->partitions[i].num_sectors && sunlabel->infos[i].id && sunlabel->infos[i].id != WHOLE_DISK) { starts[i] = SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors; lens[i] = SSWAP32(sunlabel->partitions[i].num_sectors); if (continuous) { if (starts[i] == *start) *start += lens[i]; else if (starts[i] + lens[i] >= *stop) *stop = starts[i]; else continuous = 0; /* There will be probably more gaps than one, so lets check afterwards */ } } else { starts[i] = 0; lens[i] = 0; } } } static unsigned int *verify_sun_starts; static int verify_sun_cmp(int *a, int *b) { if (*a == -1) return 1; if (*b == -1) return -1; if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1; return -1; } void verify_sun(void) { unsigned int starts[8], lens[8], start, stop; int i,j,k,starto,endo; int array[8]; verify_sun_starts = starts; fetch_sun(starts,lens,&start,&stop); for (k = 0; k < 7; k++) { for (i = 0; i < 8; i++) { if (k && (lens[i] % (heads * sectors))) { printf(_("Partition %d doesn't end on cylinder boundary\n"), i+1); } if (lens[i]) { for (j = 0; j < i; j++) if (lens[j]) { if (starts[j] == starts[i]+lens[i]) { starts[j] = starts[i]; lens[j] += lens[i]; lens[i] = 0; } else if (starts[i] == starts[j]+lens[j]){ lens[j] += lens[i]; lens[i] = 0; } else if (!k) { if (starts[i] < starts[j]+lens[j] && starts[j] < starts[i]+lens[i]) { starto = starts[i]; if (starts[j] > starto) starto = starts[j]; endo = starts[i]+lens[i]; if (starts[j]+lens[j] < endo) endo = starts[j]+lens[j]; printf(_("Partition %d overlaps with others in " "sectors %d-%d\n"), i+1, starto, endo); } } } } } } for (i = 0; i < 8; i++) { if (lens[i]) array[i] = i; else array[i] = -1; } qsort(array,SIZE(array),sizeof(array[0]), (int (*)(const void *,const void *)) verify_sun_cmp); if (array[0] == -1) { printf(_("No partitions defined\n")); return; } stop = cylinders * heads * sectors; if (starts[array[0]]) printf(_("Unused gap - sectors 0-%d\n"),starts[array[0]]); for (i = 0; i < 7 && array[i+1] != -1; i++) { printf(_("Unused gap - sectors %d-%d\n"),starts[array[i]]+lens[array[i]],starts[array[i+1]]); } start = starts[array[i]]+lens[array[i]]; if (start < stop) printf(_("Unused gap - sectors %d-%d\n"),start,stop); } void add_sun_partition(int n, int sys) { unsigned int start, stop, stop2; unsigned int starts[8], lens[8]; int whole_disk = 0; char mesg[256]; int i, first, last; if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) { printf(_("Partition %d is already defined. Delete " "it before re-adding it.\n"), n + 1); return; } fetch_sun(starts,lens,&start,&stop); if (stop <= start) { if (n == 2) whole_disk = 1; else { printf(_("Other partitions already cover the whole disk.\nDelete " "some/shrink them before retry.\n")); return; } } snprintf(mesg, sizeof(mesg), _("First %s"), str_units(SINGULAR)); for (;;) { if (whole_disk) first = read_int(0, 0, 0, 0, mesg); else first = read_int(scround(start), scround(stop)+1, scround(stop), 0, mesg); if (display_in_cyl_units) first *= units_per_sector; else /* Starting sector has to be properly aligned */ first = (first + heads * sectors - 1) / (heads * sectors); if (n == 2 && first != 0) printf ("\ It is highly recommended that the third partition covers the whole disk\n\ and is of type `Whole disk'\n"); /* ewt asks to add: "don't start a partition at cyl 0" However, edmundo@rano.demon.co.uk writes: "In addition to having a Sun partition table, to be able to boot from the disc, the first partition, /dev/sdX1, must start at cylinder 0. This means that /dev/sdX1 contains the partition table and the boot block, as these are the first two sectors of the disc. Therefore you must be careful what you use /dev/sdX1 for. In particular, you must not use a partition starting at cylinder 0 for Linux swap, as that would overwrite the partition table and the boot block. You may, however, use such a partition for a UFS or EXT2 file system, as these file systems leave the first 1024 bytes undisturbed. */ /* On the other hand, one should not use partitions starting at block 0 in an md, or the label will be trashed. */ for (i = 0; i < partitions; i++) if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first) break; if (i < partitions && !whole_disk) { if (n == 2 && !first) { whole_disk = 1; break; } printf(_("Sector %d is already allocated\n"), first); } else break; } stop = cylinders * heads * sectors; stop2 = stop; for (i = 0; i < partitions; i++) { if (starts[i] > first && starts[i] < stop) stop = starts[i]; } snprintf(mesg, sizeof(mesg), _("Last %s or +size or +sizeM or +sizeK"), str_units(SINGULAR)); if (whole_disk) last = read_int(scround(stop2), scround(stop2), scround(stop2), 0, mesg); else if (n == 2 && !first) last = read_int(scround(first), scround(stop2), scround(stop2), scround(first), mesg); else last = read_int(scround(first), scround(stop), scround(stop), scround(first), mesg); if (display_in_cyl_units) last *= units_per_sector; if (n == 2 && !first) { if (last >= stop2) { whole_disk = 1; last = stop2; } else if (last > stop) { printf ( _("You haven't covered the whole disk with the 3rd partition, but your value\n" "%d %s covers some other partition. Your entry has been changed\n" "to %d %s\n"), scround(last), str_units(SINGULAR), scround(stop), str_units(SINGULAR)); last = stop; } } else if (!whole_disk && last > stop) last = stop; if (whole_disk) sys = WHOLE_DISK; set_sun_partition(n, first, last, sys); } void sun_delete_partition(int i) { unsigned int nsec; if (i == 2 && sunlabel->infos[i].id == WHOLE_DISK && !sunlabel->partitions[i].start_cylinder && (nsec = SSWAP32(sunlabel->partitions[i].num_sectors)) == heads * sectors * cylinders) printf(_("If you want to maintain SunOS/Solaris compatibility, " "consider leaving this\n" "partition as Whole disk (5), starting at 0, with %u " "sectors\n"), nsec); sunlabel->infos[i].id = 0; sunlabel->partitions[i].num_sectors = 0; } void sun_change_sysid(int i, int sys) { if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) { read_chars( _("It is highly recommended that the partition at offset 0\n" "is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n" "there may destroy your partition table and bootblock.\n" "Type YES if you're very sure you would like that partition\n" "tagged with 82 (Linux swap): ")); if (strcmp (line_ptr, _("YES\n"))) return; } switch (sys) { case SUNOS_SWAP: case LINUX_SWAP: /* swaps are not mountable by default */ sunlabel->infos[i].flags |= 0x01; break; default: /* assume other types are mountable; user can change it anyway */ sunlabel->infos[i].flags &= ~0x01; break; } sunlabel->infos[i].id = sys; } void sun_list_table(int xtra) { int i, w; char *type; w = strlen(disk_device); if (xtra) printf( _("\nDisk %s (Sun disk label): %d heads, %d sectors, %d rpm\n" "%d cylinders, %d alternate cylinders, %d physical cylinders\n" "%d extra sects/cyl, interleave %d:1\n" "%s\n" "Units = %s of %d * 512 bytes\n\n"), disk_device, heads, sectors, SSWAP16(sunlabel->rspeed), cylinders, SSWAP16(sunlabel->nacyl), SSWAP16(sunlabel->pcylcount), SSWAP16(sunlabel->sparecyl), SSWAP16(sunlabel->ilfact), (char *)sunlabel, str_units(PLURAL), units_per_sector); else printf( _("\nDisk %s (Sun disk label): %d heads, %d sectors, %d cylinders\n" "Units = %s of %d * 512 bytes\n\n"), disk_device, heads, sectors, cylinders, str_units(PLURAL), units_per_sector); printf(_("%*s Flag Start End Blocks Id System\n"), w + 1, _("Device")); for (i = 0 ; i < partitions; i++) { if (sunlabel->partitions[i].num_sectors) { __u32 start = SSWAP32(sunlabel->partitions[i].start_cylinder) * heads * sectors; __u32 len = SSWAP32(sunlabel->partitions[i].num_sectors); printf( "%s %c%c %9ld %9ld %9ld%c %2x %s\n", /* device */ partname(disk_device, i+1, w), /* flags */ (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ', (sunlabel->infos[i].flags & 0x10) ? 'r' : ' ', /* start */ (long) scround(start), /* end */ (long) scround(start+len), /* odd flag on end */ (long) len / 2, len & 1 ? '+' : ' ', /* type id */ sunlabel->infos[i].id, /* type name */ (type = partition_type(sunlabel->infos[i].id)) ? type : _("Unknown")); } } } void sun_set_alt_cyl(void) { sunlabel->nacyl = SSWAP16(read_int(0,SSWAP16(sunlabel->nacyl), 65535, 0, _("Number of alternate cylinders"))); } void sun_set_ncyl(int cyl) { sunlabel->ncyl = SSWAP16(cyl); } void sun_set_xcyl(void) { sunlabel->sparecyl = SSWAP16(read_int(0, SSWAP16(sunlabel->sparecyl), sectors, 0, _("Extra sectors per cylinder"))); } void sun_set_ilfact(void) { sunlabel->ilfact = SSWAP16(read_int(1, SSWAP16(sunlabel->ilfact), 32, 0, _("Interleave factor"))); } void sun_set_rspeed(void) { sunlabel->rspeed = SSWAP16(read_int(1, SSWAP16(sunlabel->rspeed), 100000, 0, _("Rotation speed (rpm)"))); } void sun_set_pcylcount(void) { sunlabel->pcylcount = SSWAP16(read_int(0, SSWAP16(sunlabel->pcylcount), 65535, 0, _("Number of physical cylinders"))); } void sun_write_table(void) { unsigned short *ush = (unsigned short *)sunlabel; unsigned short csum = 0; while(ush < (unsigned short *)(&sunlabel->csum)) csum ^= *ush++; sunlabel->csum = csum; if (lseek(fd, 0, SEEK_SET) < 0) fatal(unable_to_seek); if (write(fd, sunlabel, SECTOR_SIZE) != SECTOR_SIZE) fatal(unable_to_write); }