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GUID Partition Table

include/fs/gpt.h View source View on GitHub

Structs

Section titled “Structs”

gpt_header

Section titled “gpt_header”
struct gpt_header {
    uint64_t  signature;
    uint32_t  revision;
    uint32_t  header_size;
    uint32_t  header_crc32;
    uint32_t  reserved;
    uint64_t  current_lba;
    uint64_t  backup_lba;
    uint64_t  first_usable_lba;
    uint64_t  last_usable_lba;
    uint8_t   disk_guid[16];
    uint64_t  partition_entry_lba;
    uint32_t  num_partition_entries;
    uint32_t  size_of_partition_entry;
    uint32_t  partition_crc32;
    uint8_t   reserved2[420];
};

gpt_partition_entry

Section titled “gpt_partition_entry”
struct gpt_partition_entry {
    uint8_t   type_guid[16];
    uint8_t   unique_guid[16];
    uint64_t  first_lba;
    uint64_t  last_lba;
    uint64_t  attributes;
    uint16_t  name[36];
};