1 #ifndef _EFI_GPT_H 2 #define _EFI_GPT_H 3 /*++ 4 5 Copyright (c) 1998 Intel Corporation 6 7 Module Name: 8 9 EfiGpt.h 10 11 Abstract: 12 Include file for EFI partitioning scheme 13 14 15 16 Revision History 17 18 --*/ 19 20 #define PRIMARY_PART_HEADER_LBA 1 21 22 typedef struct { 23 EFI_TABLE_HEADER Header; 24 EFI_LBA MyLBA; 25 EFI_LBA AlternateLBA; 26 EFI_LBA FirstUsableLBA; 27 EFI_LBA LastUsableLBA; 28 EFI_GUID DiskGUID; 29 EFI_LBA PartitionEntryLBA; 30 UINT32 NumberOfPartitionEntries; 31 UINT32 SizeOfPartitionEntry; 32 UINT32 PartitionEntryArrayCRC32; 33 } EFI_PARTITION_TABLE_HEADER; 34 35 #define EFI_PTAB_HEADER_ID "EFI PART" 36 37 typedef struct { 38 EFI_GUID PartitionTypeGUID; 39 EFI_GUID UniquePartitionGUID; 40 EFI_LBA StartingLBA; 41 EFI_LBA EndingLBA; 42 UINT64 Attributes; 43 CHAR16 PartitionName[36]; 44 } EFI_PARTITION_ENTRY; 45 46 // 47 // EFI Partition Attributes 48 // 49 #define EFI_PART_USED_BY_EFI 0x0000000000000001 50 #define EFI_PART_REQUIRED_TO_FUNCTION 0x0000000000000002 51 #define EFI_PART_USED_BY_OS 0x0000000000000004 52 #define EFI_PART_REQUIRED_BY_OS 0x0000000000000008 53 #define EFI_PART_BACKUP_REQUIRED 0x0000000000000010 54 #define EFI_PART_USER_DATA 0x0000000000000020 55 #define EFI_PART_CRITICAL_USER_DATA 0x0000000000000040 56 #define EFI_PART_REDUNDANT_PARTITION 0x0000000000000080 57 58 #define EFI_PART_TYPE_UNUSED_GUID \ 59 { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} } 60 61 #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID \ 62 { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} } 63 64 #define EFI_PART_TYPE_LEGACY_MBR_GUID \ 65 { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} } 66 67 #endif 68 69
