1/* $FreeBSD$ */
2#ifndef _EFI_GPT_H
3#define _EFI_GPT_H
4/*++
5
6Copyright (c) 1998  Intel Corporation
7
8Module Name:
9
10    EfiGpt.h
11
12Abstract:
13    Include file for EFI partitioning scheme
14
15
16
17Revision History
18
19--*/
20
21#define PRIMARY_PART_HEADER_LBA         1
22
23typedef 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
38typedef 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