1 /* $FreeBSD$ */ 2 #ifndef _EFI_GPT_H 3 #define _EFI_GPT_H 4 /*++ 5 6 Copyright (c) 1998 Intel Corporation 7 8 Module Name: 9 10 EfiGpt.h 11 12 Abstract: 13 Include file for EFI partitioning scheme 14 15 16 17 Revision History 18 19 --*/ 20 21 #define PRIMARY_PART_HEADER_LBA 1 22 23 typedef struct { 24 EFI_TABLE_HEADER Header; 25 EFI_LBA MyLBA; 26 EFI_LBA AlternateLBA; 27 EFI_LBA FirstUsableLBA; 28 EFI_LBA LastUsableLBA; 29 EFI_GUID DiskGUID; 30 EFI_LBA PartitionEntryLBA; 31 UINT32 NumberOfPartitionEntries; 32 UINT32 SizeOfPartitionEntry; 33 UINT32 PartitionEntryArrayCRC32; 34 } EFI_PARTITION_TABLE_HEADER; 35 36 #define EFI_PTAB_HEADER_ID "EFI PART" 37 38 typedef struct { 39 EFI_GUID PartitionTypeGUID; 40 EFI_GUID UniquePartitionGUID; 41 EFI_LBA StartingLBA; 42 EFI_LBA EndingLBA; 43 UINT64 Attributes; 44 CHAR16 PartitionName[36]; 45 } EFI_PARTITION_ENTRY; 46 47 // 48 // EFI Partition Attributes 49 // 50 #define EFI_PART_USED_BY_EFI 0x0000000000000001 51 #define EFI_PART_REQUIRED_TO_FUNCTION 0x0000000000000002 52 #define EFI_PART_USED_BY_OS 0x0000000000000004 53 #define EFI_PART_REQUIRED_BY_OS 0x0000000000000008 54 #define EFI_PART_BACKUP_REQUIRED 0x0000000000000010 55 #define EFI_PART_USER_DATA 0x0000000000000020 56 #define EFI_PART_CRITICAL_USER_DATA 0x0000000000000040 57 #define EFI_PART_REDUNDANT_PARTITION 0x0000000000000080 58 59 #define EFI_PART_TYPE_UNUSED_GUID \ 60 { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} } 61 62 #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID \ 63 { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} } 64 65 #define EFI_PART_TYPE_LEGACY_MBR_GUID \ 66 { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} } 67 68 #endif 69 70