fs/partitions/mac.h

   1 /*
   2  *  fs/partitions/mac.h
   3  */
   4
   5 #define MAC_PARTITION_MAGIC     0x504d
   6
   7 /* type field value for A/UX or other Unix partitions */
   8 #define APPLE_AUX_TYPE  "Apple_UNIX_SVR2"
   9
  10 struct mac_partition {
  11         __be16  signature;      /* expected to be MAC_PARTITION_MAGIC */
  12         __be16  res1;
  13         __be32  map_count;      /* # blocks in partition map */
  14         __be32  start_block;    /* absolute starting block # of partition */
  15         __be32  block_count;    /* number of blocks in partition */
  16         char    name[32];       /* partition name */
  17         char    type[32];       /* string type description */
  18         __be32  data_start;     /* rel block # of first data block */
  19         __be32  data_count;     /* number of data blocks */
  20         __be32  status;         /* partition status bits */
  21         __be32  boot_start;
  22         __be32  boot_size;
  23         __be32  boot_load;
  24         __be32  boot_load2;
  25         __be32  boot_entry;
  26         __be32  boot_entry2;
  27         __be32  boot_cksum;
  28         char    processor[16];  /* identifies ISA of boot */
  29         /* there is more stuff after this that we don't need */
  30 };
  31
  32 #define MAC_STATUS_BOOTABLE     8       /* partition is bootable */
  33
  34 #define MAC_DRIVER_MAGIC        0x4552
  35
  36 /* Driver descriptor structure, in block 0 */
  37 struct mac_driver_desc {
  38         __be16  signature;      /* expected to be MAC_DRIVER_MAGIC */
  39         __be16  block_size;
  40         __be32  block_count;
  41     /* ... more stuff */
  42 };
  43
  44 int mac_partition(struct parsed_partitions *state, struct block_device *bdev);