1 /** @file 2 EFI Guid Partition Table Format Definition. 3 4 Copyright (c) 2006 - 2008, Intel Corporation 5 All rights reserved. This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef __UEFI_GPT_H__ 16 #define __UEFI_GPT_H__ 17 18 /// 19 /// The primary GUID Partition Table Header must be 20 /// located in LBA 1 (i.e., the second logical block). 21 /// 22 #define PRIMARY_PART_HEADER_LBA 1 23 24 /// 25 /// EFI Partition Table Signature: "EFI PART" 26 /// 27 #define EFI_PTAB_HEADER_ID 0x5452415020494645ULL 28 29 #pragma pack(1) 30 31 /// 32 /// GPT Partition Table Header 33 /// 34 typedef struct { 35 EFI_TABLE_HEADER Header; 36 EFI_LBA MyLBA; 37 EFI_LBA AlternateLBA; 38 EFI_LBA FirstUsableLBA; 39 EFI_LBA LastUsableLBA; 40 EFI_GUID DiskGUID; 41 EFI_LBA PartitionEntryLBA; 42 UINT32 NumberOfPartitionEntries; 43 UINT32 SizeOfPartitionEntry; 44 UINT32 PartitionEntryArrayCRC32; 45 } EFI_PARTITION_TABLE_HEADER; 46 47 /// 48 /// GPT Partition Entry 49 /// 50 typedef struct { 51 EFI_GUID PartitionTypeGUID; 52 EFI_GUID UniquePartitionGUID; 53 EFI_LBA StartingLBA; 54 EFI_LBA EndingLBA; 55 UINT64 Attributes; 56 CHAR16 PartitionName[36]; 57 } EFI_PARTITION_ENTRY; 58 59 #pragma pack() 60 #endif 61 62 63
