[3320] | 1 | /*
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| 2 | * fdisk_sun.c
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| 3 | *
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| 4 | * I think this is mostly, or entirely, due to
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| 5 | * Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
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| 6 | *
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| 7 | * Merged with fdisk for other architectures, aeb, June 1998.
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| 8 | *
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| 9 | * Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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| 10 | * Internationalization
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| 11 | *
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| 12 | * Licensed under GPLv2, see file LICENSE in this source tree.
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| 13 | */
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| 14 |
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| 15 | #if ENABLE_FEATURE_SUN_LABEL
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| 16 |
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| 17 | #define SUNOS_SWAP 3
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| 18 | #define SUN_WHOLE_DISK 5
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| 19 |
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| 20 | #define SUN_LABEL_MAGIC 0xDABE
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| 21 | #define SUN_LABEL_MAGIC_SWAPPED 0xBEDA
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| 22 | #define SUN_SSWAP16(x) (sun_other_endian ? fdisk_swap16(x) : (uint16_t)(x))
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| 23 | #define SUN_SSWAP32(x) (sun_other_endian ? fdisk_swap32(x) : (uint32_t)(x))
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| 24 |
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| 25 | /* Copied from linux/major.h */
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| 26 | #define FLOPPY_MAJOR 2
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| 27 |
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| 28 | #define SCSI_IOCTL_GET_IDLUN 0x5382
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| 29 |
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| 30 | static smallint sun_other_endian;
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| 31 | static smallint scsi_disk;
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| 32 | static smallint floppy;
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| 33 |
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| 34 | #ifndef IDE0_MAJOR
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| 35 | #define IDE0_MAJOR 3
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| 36 | #endif
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| 37 | #ifndef IDE1_MAJOR
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| 38 | #define IDE1_MAJOR 22
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| 39 | #endif
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| 40 |
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| 41 | static void
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| 42 | guess_device_type(void)
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| 43 | {
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| 44 | struct stat bootstat;
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| 45 |
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| 46 | if (fstat(dev_fd, &bootstat) < 0) {
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| 47 | scsi_disk = 0;
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| 48 | floppy = 0;
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| 49 | } else if (S_ISBLK(bootstat.st_mode)
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| 50 | && (major(bootstat.st_rdev) == IDE0_MAJOR ||
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| 51 | major(bootstat.st_rdev) == IDE1_MAJOR)) {
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| 52 | scsi_disk = 0;
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| 53 | floppy = 0;
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| 54 | } else if (S_ISBLK(bootstat.st_mode)
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| 55 | && major(bootstat.st_rdev) == FLOPPY_MAJOR) {
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| 56 | scsi_disk = 0;
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| 57 | floppy = 1;
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| 58 | } else {
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| 59 | scsi_disk = 1;
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| 60 | floppy = 0;
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| 61 | }
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| 62 | }
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| 63 |
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| 64 | static const char *const sun_sys_types[] = {
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| 65 | "\x00" "Empty" , /* 0 */
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| 66 | "\x01" "Boot" , /* 1 */
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| 67 | "\x02" "SunOS root" , /* 2 */
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| 68 | "\x03" "SunOS swap" , /* SUNOS_SWAP */
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| 69 | "\x04" "SunOS usr" , /* 4 */
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| 70 | "\x05" "Whole disk" , /* SUN_WHOLE_DISK */
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| 71 | "\x06" "SunOS stand" , /* 6 */
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| 72 | "\x07" "SunOS var" , /* 7 */
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| 73 | "\x08" "SunOS home" , /* 8 */
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| 74 | "\x82" "Linux swap" , /* LINUX_SWAP */
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| 75 | "\x83" "Linux native", /* LINUX_NATIVE */
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| 76 | "\x8e" "Linux LVM" , /* 0x8e */
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| 77 | /* New (2.2.x) raid partition with autodetect using persistent superblock */
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| 78 | "\xfd" "Linux raid autodetect", /* 0xfd */
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| 79 | NULL
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| 80 | };
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| 81 |
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| 82 |
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| 83 | static void
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| 84 | set_sun_partition(int i, unsigned start, unsigned stop, int sysid)
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| 85 | {
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| 86 | sunlabel->infos[i].id = sysid;
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| 87 | sunlabel->partitions[i].start_cylinder =
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| 88 | SUN_SSWAP32(start / (g_heads * g_sectors));
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| 89 | sunlabel->partitions[i].num_sectors =
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| 90 | SUN_SSWAP32(stop - start);
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| 91 | set_changed(i);
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| 92 | }
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| 93 |
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| 94 | static int
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| 95 | check_sun_label(void)
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| 96 | {
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| 97 | unsigned short *ush;
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| 98 | int csum;
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| 99 |
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| 100 | if (sunlabel->magic != SUN_LABEL_MAGIC
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| 101 | && sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED
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| 102 | ) {
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| 103 | current_label_type = LABEL_DOS;
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| 104 | sun_other_endian = 0;
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| 105 | return 0;
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| 106 | }
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| 107 | sun_other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED);
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| 108 | ush = ((unsigned short *) (sunlabel + 1)) - 1;
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| 109 | for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--;
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| 110 | if (csum) {
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| 111 | printf("Detected sun disklabel with wrong checksum.\n"
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| 112 | "Probably you'll have to set all the values,\n"
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| 113 | "e.g. heads, sectors, cylinders and partitions\n"
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| 114 | "or force a fresh label (s command in main menu)\n");
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| 115 | } else {
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| 116 | g_heads = SUN_SSWAP16(sunlabel->ntrks);
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| 117 | g_cylinders = SUN_SSWAP16(sunlabel->ncyl);
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| 118 | g_sectors = SUN_SSWAP16(sunlabel->nsect);
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| 119 | }
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| 120 | update_units();
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| 121 | current_label_type = LABEL_SUN;
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| 122 | g_partitions = 8;
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| 123 | return 1;
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| 124 | }
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| 125 |
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| 126 | static const struct sun_predefined_drives {
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| 127 | const char *vendor;
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| 128 | const char *model;
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| 129 | unsigned short sparecyl;
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| 130 | unsigned short ncyl;
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| 131 | unsigned short nacyl;
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| 132 | unsigned short pcylcount;
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| 133 | unsigned short ntrks;
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| 134 | unsigned short nsect;
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| 135 | unsigned short rspeed;
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| 136 | } sun_drives[] = {
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| 137 | { "Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
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| 138 | { "Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
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| 139 | { "CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
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| 140 | { "IBM","DPES-31080",0,4901,2,4903,4,108,5400},
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| 141 | { "IBM","DORS-32160",0,1015,2,1017,67,62,5400},
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| 142 | { "IBM","DNES-318350",0,11199,2,11474,10,320,7200},
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| 143 | { "SEAGATE","ST34371",0,3880,2,3882,16,135,7228},
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| 144 | { "","SUN0104",1,974,2,1019,6,35,3662},
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| 145 | { "","SUN0207",4,1254,2,1272,9,36,3600},
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| 146 | { "","SUN0327",3,1545,2,1549,9,46,3600},
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| 147 | { "","SUN0340",0,1538,2,1544,6,72,4200},
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| 148 | { "","SUN0424",2,1151,2,2500,9,80,4400},
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| 149 | { "","SUN0535",0,1866,2,2500,7,80,5400},
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| 150 | { "","SUN0669",5,1614,2,1632,15,54,3600},
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| 151 | { "","SUN1.0G",5,1703,2,1931,15,80,3597},
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| 152 | { "","SUN1.05",0,2036,2,2038,14,72,5400},
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| 153 | { "","SUN1.3G",6,1965,2,3500,17,80,5400},
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| 154 | { "","SUN2.1G",0,2733,2,3500,19,80,5400},
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| 155 | { "IOMEGA","Jaz",0,1019,2,1021,64,32,5394},
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| 156 | };
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| 157 |
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| 158 | static const struct sun_predefined_drives *
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| 159 | sun_autoconfigure_scsi(void)
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| 160 | {
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| 161 | const struct sun_predefined_drives *p = NULL;
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| 162 |
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| 163 | #ifdef SCSI_IOCTL_GET_IDLUN
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| 164 | unsigned int id[2];
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| 165 | char buffer[2048];
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| 166 | char buffer2[2048];
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| 167 | FILE *pfd;
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| 168 | char *vendor;
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| 169 | char *model;
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| 170 | char *q;
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| 171 | int i;
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| 172 |
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| 173 | if (ioctl(dev_fd, SCSI_IOCTL_GET_IDLUN, &id))
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| 174 | return NULL;
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| 175 |
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| 176 | sprintf(buffer,
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| 177 | "Host: scsi%u Channel: %02u Id: %02u Lun: %02u\n",
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| 178 | /* This is very wrong (works only if you have one HBA),
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| 179 | but I haven't found a way how to get hostno
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| 180 | from the current kernel */
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| 181 | 0,
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| 182 | (id[0]>>16) & 0xff,
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| 183 | id[0] & 0xff,
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| 184 | (id[0]>>8) & 0xff
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| 185 | );
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| 186 | pfd = fopen_for_read("/proc/scsi/scsi");
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| 187 | if (!pfd) {
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| 188 | return NULL;
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| 189 | }
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| 190 | while (fgets(buffer2, 2048, pfd)) {
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| 191 | if (strcmp(buffer, buffer2))
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| 192 | continue;
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| 193 | if (!fgets(buffer2, 2048, pfd))
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| 194 | break;
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| 195 | q = strstr(buffer2, "Vendor: ");
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| 196 | if (!q)
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| 197 | break;
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| 198 | q += 8;
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| 199 | vendor = q;
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| 200 | q = strstr(q, " ");
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| 201 | *q++ = '\0'; /* truncate vendor name */
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| 202 | q = strstr(q, "Model: ");
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| 203 | if (!q)
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| 204 | break;
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| 205 | *q = '\0';
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| 206 | q += 7;
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| 207 | model = q;
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| 208 | q = strstr(q, " Rev: ");
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| 209 | if (!q)
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| 210 | break;
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| 211 | *q = '\0';
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| 212 | for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
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| 213 | if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
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| 214 | continue;
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| 215 | if (!strstr(model, sun_drives[i].model))
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| 216 | continue;
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| 217 | printf("Autoconfigure found a %s%s%s\n",
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| 218 | sun_drives[i].vendor,
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| 219 | (*sun_drives[i].vendor) ? " " : "",
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| 220 | sun_drives[i].model);
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| 221 | p = sun_drives + i;
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| 222 | break;
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| 223 | }
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| 224 | break;
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| 225 | }
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| 226 | fclose(pfd);
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| 227 | #endif
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| 228 | return p;
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| 229 | }
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| 230 |
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| 231 | static void
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| 232 | create_sunlabel(void)
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| 233 | {
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| 234 | struct hd_geometry geometry;
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| 235 | unsigned ndiv;
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| 236 | unsigned char c;
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| 237 | const struct sun_predefined_drives *p = NULL;
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| 238 |
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| 239 | printf(msg_building_new_label, "sun disklabel");
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| 240 |
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| 241 | sun_other_endian = BB_LITTLE_ENDIAN;
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| 242 | memset(MBRbuffer, 0, sizeof(MBRbuffer));
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| 243 | sunlabel->magic = SUN_SSWAP16(SUN_LABEL_MAGIC);
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| 244 | if (!floppy) {
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| 245 | unsigned i;
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| 246 | puts("Drive type\n"
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| 247 | " ? auto configure\n"
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| 248 | " 0 custom (with hardware detected defaults)");
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| 249 | for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
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| 250 | printf(" %c %s%s%s\n",
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| 251 | i + 'a', sun_drives[i].vendor,
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| 252 | (*sun_drives[i].vendor) ? " " : "",
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| 253 | sun_drives[i].model);
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| 254 | }
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| 255 | while (1) {
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| 256 | c = read_nonempty("Select type (? for auto, 0 for custom): ");
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| 257 | if (c == '0') {
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| 258 | break;
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| 259 | }
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| 260 | if (c >= 'a' && c < 'a' + ARRAY_SIZE(sun_drives)) {
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| 261 | p = sun_drives + c - 'a';
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| 262 | break;
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| 263 | }
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| 264 | if (c >= 'A' && c < 'A' + ARRAY_SIZE(sun_drives)) {
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| 265 | p = sun_drives + c - 'A';
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| 266 | break;
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| 267 | }
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| 268 | if (c == '?' && scsi_disk) {
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| 269 | p = sun_autoconfigure_scsi();
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| 270 | if (p)
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| 271 | break;
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| 272 | printf("Autoconfigure failed\n");
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| 273 | }
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| 274 | }
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| 275 | }
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| 276 | if (!p || floppy) {
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| 277 | if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
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| 278 | g_heads = geometry.heads;
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| 279 | g_sectors = geometry.sectors;
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| 280 | g_cylinders = geometry.cylinders;
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| 281 | } else {
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| 282 | g_heads = 0;
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| 283 | g_sectors = 0;
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| 284 | g_cylinders = 0;
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| 285 | }
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| 286 | if (floppy) {
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| 287 | sunlabel->nacyl = 0;
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| 288 | sunlabel->pcylcount = SUN_SSWAP16(g_cylinders);
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| 289 | sunlabel->rspeed = SUN_SSWAP16(300);
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| 290 | sunlabel->ilfact = SUN_SSWAP16(1);
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| 291 | sunlabel->sparecyl = 0;
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| 292 | } else {
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| 293 | g_heads = read_int(1, g_heads, 1024, 0, "Heads");
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| 294 | g_sectors = read_int(1, g_sectors, 1024, 0, "Sectors/track");
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| 295 | if (g_cylinders)
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| 296 | g_cylinders = read_int(1, g_cylinders - 2, 65535, 0, "Cylinders");
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| 297 | else
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| 298 | g_cylinders = read_int(1, 0, 65535, 0, "Cylinders");
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| 299 | sunlabel->nacyl = SUN_SSWAP16(read_int(0, 2, 65535, 0, "Alternate cylinders"));
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| 300 | sunlabel->pcylcount = SUN_SSWAP16(read_int(0, g_cylinders + SUN_SSWAP16(sunlabel->nacyl), 65535, 0, "Physical cylinders"));
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| 301 | sunlabel->rspeed = SUN_SSWAP16(read_int(1, 5400, 100000, 0, "Rotation speed (rpm)"));
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| 302 | sunlabel->ilfact = SUN_SSWAP16(read_int(1, 1, 32, 0, "Interleave factor"));
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| 303 | sunlabel->sparecyl = SUN_SSWAP16(read_int(0, 0, g_sectors, 0, "Extra sectors per cylinder"));
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| 304 | }
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| 305 | } else {
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| 306 | sunlabel->sparecyl = SUN_SSWAP16(p->sparecyl);
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| 307 | sunlabel->ncyl = SUN_SSWAP16(p->ncyl);
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| 308 | sunlabel->nacyl = SUN_SSWAP16(p->nacyl);
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| 309 | sunlabel->pcylcount = SUN_SSWAP16(p->pcylcount);
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| 310 | sunlabel->ntrks = SUN_SSWAP16(p->ntrks);
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| 311 | sunlabel->nsect = SUN_SSWAP16(p->nsect);
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| 312 | sunlabel->rspeed = SUN_SSWAP16(p->rspeed);
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| 313 | sunlabel->ilfact = SUN_SSWAP16(1);
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| 314 | g_cylinders = p->ncyl;
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| 315 | g_heads = p->ntrks;
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| 316 | g_sectors = p->nsect;
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| 317 | puts("You may change all the disk params from the x menu");
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| 318 | }
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| 319 |
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| 320 | snprintf((char *)(sunlabel->info), sizeof(sunlabel->info),
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| 321 | "%s%s%s cyl %u alt %u hd %u sec %u",
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| 322 | p ? p->vendor : "", (p && *p->vendor) ? " " : "",
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| 323 | p ? p->model : (floppy ? "3,5\" floppy" : "Linux custom"),
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| 324 | g_cylinders, SUN_SSWAP16(sunlabel->nacyl), g_heads, g_sectors);
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| 325 |
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| 326 | sunlabel->ntrks = SUN_SSWAP16(g_heads);
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| 327 | sunlabel->nsect = SUN_SSWAP16(g_sectors);
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| 328 | sunlabel->ncyl = SUN_SSWAP16(g_cylinders);
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| 329 | if (floppy)
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| 330 | set_sun_partition(0, 0, g_cylinders * g_heads * g_sectors, LINUX_NATIVE);
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| 331 | else {
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| 332 | if (g_cylinders * g_heads * g_sectors >= 150 * 2048) {
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| 333 | ndiv = g_cylinders - (50 * 2048 / (g_heads * g_sectors)); /* 50M swap */
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| 334 | } else
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| 335 | ndiv = g_cylinders * 2 / 3;
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| 336 | set_sun_partition(0, 0, ndiv * g_heads * g_sectors, LINUX_NATIVE);
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| 337 | set_sun_partition(1, ndiv * g_heads * g_sectors, g_cylinders * g_heads * g_sectors, LINUX_SWAP);
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| 338 | sunlabel->infos[1].flags |= 0x01; /* Not mountable */
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| 339 | }
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| 340 | set_sun_partition(2, 0, g_cylinders * g_heads * g_sectors, SUN_WHOLE_DISK);
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| 341 | {
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| 342 | unsigned short *ush = (unsigned short *)sunlabel;
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| 343 | unsigned short csum = 0;
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| 344 | while (ush < (unsigned short *)(&sunlabel->csum))
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| 345 | csum ^= *ush++;
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| 346 | sunlabel->csum = csum;
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| 347 | }
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| 348 |
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| 349 | set_all_unchanged();
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| 350 | set_changed(0);
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| 351 | get_boot(CREATE_EMPTY_SUN);
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| 352 | }
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| 353 |
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| 354 | static void
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| 355 | toggle_sunflags(int i, unsigned char mask)
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| 356 | {
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| 357 | if (sunlabel->infos[i].flags & mask)
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| 358 | sunlabel->infos[i].flags &= ~mask;
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| 359 | else
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| 360 | sunlabel->infos[i].flags |= mask;
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| 361 | set_changed(i);
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| 362 | }
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| 363 |
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| 364 | static void
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| 365 | fetch_sun(unsigned *starts, unsigned *lens, unsigned *start, unsigned *stop)
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| 366 | {
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| 367 | int i, continuous = 1;
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| 368 |
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| 369 | *start = 0;
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| 370 | *stop = g_cylinders * g_heads * g_sectors;
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| 371 | for (i = 0; i < g_partitions; i++) {
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| 372 | if (sunlabel->partitions[i].num_sectors
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| 373 | && sunlabel->infos[i].id
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| 374 | && sunlabel->infos[i].id != SUN_WHOLE_DISK) {
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| 375 | starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
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| 376 | lens[i] = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
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| 377 | if (continuous) {
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| 378 | if (starts[i] == *start)
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| 379 | *start += lens[i];
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| 380 | else if (starts[i] + lens[i] >= *stop)
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| 381 | *stop = starts[i];
|
---|
| 382 | else
|
---|
| 383 | continuous = 0;
|
---|
| 384 | /* There will be probably more gaps
|
---|
| 385 | than one, so lets check afterwards */
|
---|
| 386 | }
|
---|
| 387 | } else {
|
---|
| 388 | starts[i] = 0;
|
---|
| 389 | lens[i] = 0;
|
---|
| 390 | }
|
---|
| 391 | }
|
---|
| 392 | }
|
---|
| 393 |
|
---|
| 394 | static unsigned *verify_sun_starts;
|
---|
| 395 |
|
---|
| 396 | static int
|
---|
| 397 | verify_sun_cmp(int *a, int *b)
|
---|
| 398 | {
|
---|
| 399 | if (*a == -1) return 1;
|
---|
| 400 | if (*b == -1) return -1;
|
---|
| 401 | if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
|
---|
| 402 | return -1;
|
---|
| 403 | }
|
---|
| 404 |
|
---|
| 405 | static void
|
---|
| 406 | verify_sun(void)
|
---|
| 407 | {
|
---|
| 408 | unsigned starts[8], lens[8], start, stop;
|
---|
| 409 | int i,j,k,starto,endo;
|
---|
| 410 | int array[8];
|
---|
| 411 |
|
---|
| 412 | verify_sun_starts = starts;
|
---|
| 413 | fetch_sun(starts, lens, &start, &stop);
|
---|
| 414 | for (k = 0; k < 7; k++) {
|
---|
| 415 | for (i = 0; i < 8; i++) {
|
---|
| 416 | if (k && (lens[i] % (g_heads * g_sectors))) {
|
---|
| 417 | printf("Partition %u doesn't end on cylinder boundary\n", i+1);
|
---|
| 418 | }
|
---|
| 419 | if (lens[i]) {
|
---|
| 420 | for (j = 0; j < i; j++)
|
---|
| 421 | if (lens[j]) {
|
---|
| 422 | if (starts[j] == starts[i]+lens[i]) {
|
---|
| 423 | starts[j] = starts[i]; lens[j] += lens[i];
|
---|
| 424 | lens[i] = 0;
|
---|
| 425 | } else if (starts[i] == starts[j]+lens[j]){
|
---|
| 426 | lens[j] += lens[i];
|
---|
| 427 | lens[i] = 0;
|
---|
| 428 | } else if (!k) {
|
---|
| 429 | if (starts[i] < starts[j]+lens[j]
|
---|
| 430 | && starts[j] < starts[i]+lens[i]) {
|
---|
| 431 | starto = starts[i];
|
---|
| 432 | if (starts[j] > starto)
|
---|
| 433 | starto = starts[j];
|
---|
| 434 | endo = starts[i]+lens[i];
|
---|
| 435 | if (starts[j]+lens[j] < endo)
|
---|
| 436 | endo = starts[j]+lens[j];
|
---|
| 437 | printf("Partition %u overlaps with others in "
|
---|
| 438 | "sectors %u-%u\n", i+1, starto, endo);
|
---|
| 439 | }
|
---|
| 440 | }
|
---|
| 441 | }
|
---|
| 442 | }
|
---|
| 443 | }
|
---|
| 444 | }
|
---|
| 445 | for (i = 0; i < 8; i++) {
|
---|
| 446 | if (lens[i])
|
---|
| 447 | array[i] = i;
|
---|
| 448 | else
|
---|
| 449 | array[i] = -1;
|
---|
| 450 | }
|
---|
| 451 | qsort(array, ARRAY_SIZE(array), sizeof(array[0]),
|
---|
| 452 | (int (*)(const void *,const void *)) verify_sun_cmp);
|
---|
| 453 | if (array[0] == -1) {
|
---|
| 454 | printf("No partitions defined\n");
|
---|
| 455 | return;
|
---|
| 456 | }
|
---|
| 457 | stop = g_cylinders * g_heads * g_sectors;
|
---|
| 458 | if (starts[array[0]])
|
---|
| 459 | printf("Unused gap - sectors %u-%u\n", 0, starts[array[0]]);
|
---|
| 460 | for (i = 0; i < 7 && array[i+1] != -1; i++) {
|
---|
| 461 | printf("Unused gap - sectors %u-%u\n", starts[array[i]]+lens[array[i]], starts[array[i+1]]);
|
---|
| 462 | }
|
---|
| 463 | start = starts[array[i]] + lens[array[i]];
|
---|
| 464 | if (start < stop)
|
---|
| 465 | printf("Unused gap - sectors %u-%u\n", start, stop);
|
---|
| 466 | }
|
---|
| 467 |
|
---|
| 468 | static void
|
---|
| 469 | add_sun_partition(int n, int sys)
|
---|
| 470 | {
|
---|
| 471 | unsigned start, stop, stop2;
|
---|
| 472 | unsigned starts[8], lens[8];
|
---|
| 473 | int whole_disk = 0;
|
---|
| 474 |
|
---|
| 475 | char mesg[256];
|
---|
| 476 | int i, first, last;
|
---|
| 477 |
|
---|
| 478 | if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) {
|
---|
| 479 | printf(msg_part_already_defined, n + 1);
|
---|
| 480 | return;
|
---|
| 481 | }
|
---|
| 482 |
|
---|
| 483 | fetch_sun(starts, lens, &start, &stop);
|
---|
| 484 | if (stop <= start) {
|
---|
| 485 | if (n == 2)
|
---|
| 486 | whole_disk = 1;
|
---|
| 487 | else {
|
---|
| 488 | printf("Other partitions already cover the whole disk.\n"
|
---|
| 489 | "Delete/shrink them before retry.\n");
|
---|
| 490 | return;
|
---|
| 491 | }
|
---|
| 492 | }
|
---|
| 493 | snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
|
---|
| 494 | while (1) {
|
---|
| 495 | if (whole_disk)
|
---|
| 496 | first = read_int(0, 0, 0, 0, mesg);
|
---|
| 497 | else
|
---|
| 498 | first = read_int(scround(start), scround(stop)+1,
|
---|
| 499 | scround(stop), 0, mesg);
|
---|
| 500 | if (display_in_cyl_units)
|
---|
| 501 | first *= units_per_sector;
|
---|
| 502 | else
|
---|
| 503 | /* Starting sector has to be properly aligned */
|
---|
| 504 | first = (first + g_heads * g_sectors - 1) / (g_heads * g_sectors);
|
---|
| 505 | if (n == 2 && first != 0)
|
---|
| 506 | printf("\
|
---|
| 507 | It is highly recommended that the third partition covers the whole disk\n\
|
---|
| 508 | and is of type 'Whole disk'\n");
|
---|
| 509 | /* ewt asks to add: "don't start a partition at cyl 0"
|
---|
| 510 | However, edmundo@rano.demon.co.uk writes:
|
---|
| 511 | "In addition to having a Sun partition table, to be able to
|
---|
| 512 | boot from the disc, the first partition, /dev/sdX1, must
|
---|
| 513 | start at cylinder 0. This means that /dev/sdX1 contains
|
---|
| 514 | the partition table and the boot block, as these are the
|
---|
| 515 | first two sectors of the disc. Therefore you must be
|
---|
| 516 | careful what you use /dev/sdX1 for. In particular, you must
|
---|
| 517 | not use a partition starting at cylinder 0 for Linux swap,
|
---|
| 518 | as that would overwrite the partition table and the boot
|
---|
| 519 | block. You may, however, use such a partition for a UFS
|
---|
| 520 | or EXT2 file system, as these file systems leave the first
|
---|
| 521 | 1024 bytes undisturbed. */
|
---|
| 522 | /* On the other hand, one should not use partitions
|
---|
| 523 | starting at block 0 in an md, or the label will
|
---|
| 524 | be trashed. */
|
---|
| 525 | for (i = 0; i < g_partitions; i++)
|
---|
| 526 | if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first)
|
---|
| 527 | break;
|
---|
| 528 | if (i < g_partitions && !whole_disk) {
|
---|
| 529 | if (n == 2 && !first) {
|
---|
| 530 | whole_disk = 1;
|
---|
| 531 | break;
|
---|
| 532 | }
|
---|
| 533 | printf("Sector %u is already allocated\n", first);
|
---|
| 534 | } else
|
---|
| 535 | break;
|
---|
| 536 | }
|
---|
| 537 | stop = g_cylinders * g_heads * g_sectors;
|
---|
| 538 | stop2 = stop;
|
---|
| 539 | for (i = 0; i < g_partitions; i++) {
|
---|
| 540 | if (starts[i] > first && starts[i] < stop)
|
---|
| 541 | stop = starts[i];
|
---|
| 542 | }
|
---|
| 543 | snprintf(mesg, sizeof(mesg),
|
---|
| 544 | "Last %s or +size or +sizeM or +sizeK",
|
---|
| 545 | str_units(SINGULAR));
|
---|
| 546 | if (whole_disk)
|
---|
| 547 | last = read_int(scround(stop2), scround(stop2), scround(stop2),
|
---|
| 548 | 0, mesg);
|
---|
| 549 | else if (n == 2 && !first)
|
---|
| 550 | last = read_int(scround(first), scround(stop2), scround(stop2),
|
---|
| 551 | scround(first), mesg);
|
---|
| 552 | else
|
---|
| 553 | last = read_int(scround(first), scround(stop), scround(stop),
|
---|
| 554 | scround(first), mesg);
|
---|
| 555 | if (display_in_cyl_units)
|
---|
| 556 | last *= units_per_sector;
|
---|
| 557 | if (n == 2 && !first) {
|
---|
| 558 | if (last >= stop2) {
|
---|
| 559 | whole_disk = 1;
|
---|
| 560 | last = stop2;
|
---|
| 561 | } else if (last > stop) {
|
---|
| 562 | printf(
|
---|
| 563 | "You haven't covered the whole disk with the 3rd partition,\n"
|
---|
| 564 | "but your value %u %s covers some other partition.\n"
|
---|
| 565 | "Your entry has been changed to %u %s\n",
|
---|
| 566 | scround(last), str_units(SINGULAR),
|
---|
| 567 | scround(stop), str_units(SINGULAR));
|
---|
| 568 | last = stop;
|
---|
| 569 | }
|
---|
| 570 | } else if (!whole_disk && last > stop)
|
---|
| 571 | last = stop;
|
---|
| 572 |
|
---|
| 573 | if (whole_disk)
|
---|
| 574 | sys = SUN_WHOLE_DISK;
|
---|
| 575 | set_sun_partition(n, first, last, sys);
|
---|
| 576 | }
|
---|
| 577 |
|
---|
| 578 | static void
|
---|
| 579 | sun_delete_partition(int i)
|
---|
| 580 | {
|
---|
| 581 | unsigned int nsec;
|
---|
| 582 |
|
---|
| 583 | if (i == 2
|
---|
| 584 | && sunlabel->infos[i].id == SUN_WHOLE_DISK
|
---|
| 585 | && !sunlabel->partitions[i].start_cylinder
|
---|
| 586 | && (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors)) == g_heads * g_sectors * g_cylinders)
|
---|
| 587 | printf("If you want to maintain SunOS/Solaris compatibility, "
|
---|
| 588 | "consider leaving this\n"
|
---|
| 589 | "partition as Whole disk (5), starting at 0, with %u "
|
---|
| 590 | "sectors\n", nsec);
|
---|
| 591 | sunlabel->infos[i].id = 0;
|
---|
| 592 | sunlabel->partitions[i].num_sectors = 0;
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 | static void
|
---|
| 596 | sun_change_sysid(int i, int sys)
|
---|
| 597 | {
|
---|
| 598 | if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) {
|
---|
| 599 | read_maybe_empty(
|
---|
| 600 | "It is highly recommended that the partition at offset 0\n"
|
---|
| 601 | "is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
|
---|
| 602 | "there may destroy your partition table and bootblock.\n"
|
---|
| 603 | "Type YES if you're very sure you would like that partition\n"
|
---|
| 604 | "tagged with 82 (Linux swap): ");
|
---|
| 605 | if (strcmp (line_ptr, "YES\n"))
|
---|
| 606 | return;
|
---|
| 607 | }
|
---|
| 608 | switch (sys) {
|
---|
| 609 | case SUNOS_SWAP:
|
---|
| 610 | case LINUX_SWAP:
|
---|
| 611 | /* swaps are not mountable by default */
|
---|
| 612 | sunlabel->infos[i].flags |= 0x01;
|
---|
| 613 | break;
|
---|
| 614 | default:
|
---|
| 615 | /* assume other types are mountable;
|
---|
| 616 | user can change it anyway */
|
---|
| 617 | sunlabel->infos[i].flags &= ~0x01;
|
---|
| 618 | break;
|
---|
| 619 | }
|
---|
| 620 | sunlabel->infos[i].id = sys;
|
---|
| 621 | }
|
---|
| 622 |
|
---|
| 623 | static void
|
---|
| 624 | sun_list_table(int xtra)
|
---|
| 625 | {
|
---|
| 626 | int i, w;
|
---|
| 627 |
|
---|
| 628 | w = strlen(disk_device);
|
---|
| 629 | if (xtra)
|
---|
| 630 | printf(
|
---|
| 631 | "\nDisk %s (Sun disk label): %u heads, %u sectors, %u rpm\n"
|
---|
| 632 | "%u cylinders, %u alternate cylinders, %u physical cylinders\n"
|
---|
| 633 | "%u extra sects/cyl, interleave %u:1\n"
|
---|
| 634 | "%s\n"
|
---|
| 635 | "Units = %s of %u * 512 bytes\n\n",
|
---|
| 636 | disk_device, g_heads, g_sectors, SUN_SSWAP16(sunlabel->rspeed),
|
---|
| 637 | g_cylinders, SUN_SSWAP16(sunlabel->nacyl),
|
---|
| 638 | SUN_SSWAP16(sunlabel->pcylcount),
|
---|
| 639 | SUN_SSWAP16(sunlabel->sparecyl),
|
---|
| 640 | SUN_SSWAP16(sunlabel->ilfact),
|
---|
| 641 | (char *)sunlabel,
|
---|
| 642 | str_units(PLURAL), units_per_sector);
|
---|
| 643 | else
|
---|
| 644 | printf(
|
---|
| 645 | "\nDisk %s (Sun disk label): %u heads, %u sectors, %u cylinders\n"
|
---|
| 646 | "Units = %s of %u * 512 bytes\n\n",
|
---|
| 647 | disk_device, g_heads, g_sectors, g_cylinders,
|
---|
| 648 | str_units(PLURAL), units_per_sector);
|
---|
| 649 |
|
---|
| 650 | printf("%*s Flag Start End Blocks Id System\n",
|
---|
| 651 | w + 1, "Device");
|
---|
| 652 | for (i = 0; i < g_partitions; i++) {
|
---|
| 653 | if (sunlabel->partitions[i].num_sectors) {
|
---|
| 654 | uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
|
---|
| 655 | uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
|
---|
| 656 | printf("%s %c%c %9lu %9lu %9lu%c %2x %s\n",
|
---|
| 657 | partname(disk_device, i+1, w), /* device */
|
---|
| 658 | (sunlabel->infos[i].flags & 0x01) ? 'u' : ' ', /* flags */
|
---|
| 659 | (sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
|
---|
| 660 | (long) scround(start), /* start */
|
---|
| 661 | (long) scround(start+len), /* end */
|
---|
| 662 | (long) len / 2, len & 1 ? '+' : ' ', /* odd flag on end */
|
---|
| 663 | sunlabel->infos[i].id, /* type id */
|
---|
| 664 | partition_type(sunlabel->infos[i].id)); /* type name */
|
---|
| 665 | }
|
---|
| 666 | }
|
---|
| 667 | }
|
---|
| 668 |
|
---|
| 669 | #if ENABLE_FEATURE_FDISK_ADVANCED
|
---|
| 670 |
|
---|
| 671 | static void
|
---|
| 672 | sun_set_alt_cyl(void)
|
---|
| 673 | {
|
---|
| 674 | sunlabel->nacyl =
|
---|
| 675 | SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->nacyl), 65535, 0,
|
---|
| 676 | "Number of alternate cylinders"));
|
---|
| 677 | }
|
---|
| 678 |
|
---|
| 679 | static void
|
---|
| 680 | sun_set_ncyl(int cyl)
|
---|
| 681 | {
|
---|
| 682 | sunlabel->ncyl = SUN_SSWAP16(cyl);
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | static void
|
---|
| 686 | sun_set_xcyl(void)
|
---|
| 687 | {
|
---|
| 688 | sunlabel->sparecyl =
|
---|
| 689 | SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), g_sectors, 0,
|
---|
| 690 | "Extra sectors per cylinder"));
|
---|
| 691 | }
|
---|
| 692 |
|
---|
| 693 | static void
|
---|
| 694 | sun_set_ilfact(void)
|
---|
| 695 | {
|
---|
| 696 | sunlabel->ilfact =
|
---|
| 697 | SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->ilfact), 32, 0,
|
---|
| 698 | "Interleave factor"));
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | static void
|
---|
| 702 | sun_set_rspeed(void)
|
---|
| 703 | {
|
---|
| 704 | sunlabel->rspeed =
|
---|
| 705 | SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->rspeed), 100000, 0,
|
---|
| 706 | "Rotation speed (rpm)"));
|
---|
| 707 | }
|
---|
| 708 |
|
---|
| 709 | static void
|
---|
| 710 | sun_set_pcylcount(void)
|
---|
| 711 | {
|
---|
| 712 | sunlabel->pcylcount =
|
---|
| 713 | SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->pcylcount), 65535, 0,
|
---|
| 714 | "Number of physical cylinders"));
|
---|
| 715 | }
|
---|
| 716 | #endif /* FEATURE_FDISK_ADVANCED */
|
---|
| 717 |
|
---|
| 718 | static void
|
---|
| 719 | sun_write_table(void)
|
---|
| 720 | {
|
---|
| 721 | unsigned short *ush = (unsigned short *)sunlabel;
|
---|
| 722 | unsigned short csum = 0;
|
---|
| 723 |
|
---|
| 724 | while (ush < (unsigned short *)(&sunlabel->csum))
|
---|
| 725 | csum ^= *ush++;
|
---|
| 726 | sunlabel->csum = csum;
|
---|
| 727 | write_sector(0, sunlabel);
|
---|
| 728 | }
|
---|
| 729 | #endif /* SUN_LABEL */
|
---|