libdisk/pttype.h

   1
   2 typedef struct {
   3         unsigned char info[128];   /* Informative text string */
   4         unsigned char spare0[14];
   5         struct sun_info {
   6                 unsigned char spare1;
   7                 unsigned char id;
   8                 unsigned char spare2;
   9                 unsigned char flags;
  10         } infos[8];
  11         unsigned char spare1[246]; /* Boot information etc. */
  12         unsigned short rspeed;     /* Disk rotational speed */
  13         unsigned short pcylcount;  /* Physical cylinder count */
  14         unsigned short sparecyl;   /* extra sects per cylinder */
  15         unsigned char spare2[4];   /* More magic... */
  16         unsigned short ilfact;     /* Interleave factor */
  17         unsigned short ncyl;       /* Data cylinder count */
  18         unsigned short nacyl;      /* Alt. cylinder count */
  19         unsigned short ntrks;      /* Tracks per cylinder */
  20         unsigned short nsect;      /* Sectors per track */
  21         unsigned char spare3[4];   /* Even more magic... */
  22         struct sun_partition {
  23                 u_int32_t start_cylinder;
  24                 u_int32_t num_sectors;
  25         } partitions[8];
  26         unsigned short magic;      /* Magic number */
  27         unsigned short csum;       /* Label xor'd checksum */
  28 } sun_partition;
  29
  30 #define SUN_LABEL_MAGIC          0xDABE
  31 #define SUN_LABEL_MAGIC_SWAPPED  0xBEDA
  32 #define sunlabel(x) ((sun_partition *)x)
  33
  34 typedef struct {
  35         unsigned int   magic;        /* expect AIX_LABEL_MAGIC */
  36         /* ... */
  37 } aix_partition;
  38
  39 #define AIX_LABEL_MAGIC         0xc9c2d4c1
  40 #define AIX_LABEL_MAGIC_SWAPPED 0xc1d4c2c9
  41 #define aixlabel(x) ((aix_partition *)x)
  42
  43 typedef struct {
  44         unsigned short magic;
  45         /* ... */
  46 } mac_partition;
  47
  48 #define MAC_LABEL_MAGIC         0x4552
  49 #define MAC_PARTITION_MAGIC     0x504d
  50 #define MAC_OLD_PARTITION_MAGIC 0x5453
  51 #define maclabel(x) ((mac_partition *)x)