1 /* $NetBSD: efigpt.h,v 1.1.1.1 2014/04/01 16:16:07 jakllsch Exp $ */ 2 3 #ifndef _EFI_GPT_H 4 #define _EFI_GPT_H 5 /*++ 6 7 Copyright (c) 1998 Intel Corporation 8 9 Module Name: 10 11 EfiGpt.h 12 13 Abstract: 14 Include file for EFI partitioning scheme 15 16 17 18 Revision History 19 20 --*/ 21 22 #define PRIMARY_PART_HEADER_LBA 1 23 24 typedef struct { 25 EFI_TABLE_HEADER Header; 26 EFI_LBA MyLBA; 27 EFI_LBA AlternateLBA; 28 EFI_LBA FirstUsableLBA; 29 EFI_LBA LastUsableLBA; 30 EFI_GUID DiskGUID; 31 EFI_LBA PartitionEntryLBA; 32 UINT32 NumberOfPartitionEntries; 33 UINT32 SizeOfPartitionEntry; 34 UINT32 PartitionEntryArrayCRC32; 35 } EFI_PARTITION_TABLE_HEADER; 36 37 #define EFI_PTAB_HEADER_ID "EFI PART" 38 39 typedef struct { 40 EFI_GUID PartitionTypeGUID; 41 EFI_GUID UniquePartitionGUID; 42 EFI_LBA StartingLBA; 43 EFI_LBA EndingLBA; 44 UINT64 Attributes; 45 CHAR16 PartitionName[36]; 46 } EFI_PARTITION_ENTRY; 47 48 // 49 // EFI Partition Attributes 50 // 51 #define EFI_PART_USED_BY_EFI 0x0000000000000001 52 #define EFI_PART_REQUIRED_TO_FUNCTION 0x0000000000000002 53 #define EFI_PART_USED_BY_OS 0x0000000000000004 54 #define EFI_PART_REQUIRED_BY_OS 0x0000000000000008 55 #define EFI_PART_BACKUP_REQUIRED 0x0000000000000010 56 #define EFI_PART_USER_DATA 0x0000000000000020 57 #define EFI_PART_CRITICAL_USER_DATA 0x0000000000000040 58 #define EFI_PART_REDUNDANT_PARTITION 0x0000000000000080 59 60 #define EFI_PART_TYPE_UNUSED_GUID \ 61 { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} } 62 63 #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID \ 64 { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} } 65 66 #define EFI_PART_TYPE_LEGACY_MBR_GUID \ 67 { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} } 68 69 #endif 70 71