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];
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382 | else
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383 | continuous = 0;
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384 | /* There will be probably more gaps
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385 | than one, so lets check afterwards */
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386 | }
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387 | } else {
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388 | starts[i] = 0;
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389 | lens[i] = 0;
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390 | }
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391 | }
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392 | }
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393 |
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394 | static unsigned *verify_sun_starts;
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395 |
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396 | static int
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397 | verify_sun_cmp(int *a, int *b)
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398 | {
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399 | if (*a == -1) return 1;
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400 | if (*b == -1) return -1;
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401 | if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
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402 | return -1;
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403 | }
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404 |
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405 | static void
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406 | verify_sun(void)
|
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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 */
|
---|