efigpt.h revision 1.1 1 /* $NetBSD: efigpt.h,v 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