/* * mdadm - manage Linux "md" devices aka RAID arrays. * * Copyright (C) 2010 Neil Brown * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Neil Brown * Email: * */ /* Structure definitions ext for MBR and GPT partition tables */ #define MBR_SIGNATURE_MAGIC __cpu_to_le16(0xAA55) #define MBR_PARTITIONS 4 struct MBR_part_record { __u8 bootable; __u8 first_head; __u8 first_sector; __u8 first_cyl; __u8 part_type; __u8 last_head; __u8 last_sector; __u8 last_cyl; __u32 first_sect_lba; __u32 blocks_num; }; struct MBR { __u8 pad[446]; struct MBR_part_record parts[MBR_PARTITIONS]; __u16 magic; } __attribute__((packed)); #define GPT_SIGNATURE_MAGIC __cpu_to_le64(0x5452415020494645ULL) #define MBR_GPT_PARTITION_TYPE 0xEE struct GPT_part_entry { unsigned char type_guid[16]; unsigned char partition_guid[16]; __u64 starting_lba; __u64 ending_lba; unsigned char attr_bits[8]; unsigned char name[72]; } __attribute__((packed)); struct GPT { __u64 magic; __u32 revision; __u32 header_size; __u32 crc; __u32 pad1; __u64 current_lba; __u64 backup_lba; __u64 first_lba; __u64 last_lba; __u8 guid[16]; __u64 part_start; __u32 part_cnt; __u32 part_size; __u32 part_crc; __u8 pad2[420]; } __attribute__((packed));