xref: /netbsd-src/sys/external/bsd/gnu-efi/dist/inc/efigpt.h (revision b2c829d73acfa2ef1ac1967460ebcec8f439b096)
1*b2c829d7Sjakllsch /*	$NetBSD: efigpt.h,v 1.1.1.1 2014/04/01 16:16:07 jakllsch Exp $	*/
2*b2c829d7Sjakllsch 
3*b2c829d7Sjakllsch #ifndef _EFI_GPT_H
4*b2c829d7Sjakllsch #define _EFI_GPT_H
5*b2c829d7Sjakllsch /*++
6*b2c829d7Sjakllsch 
7*b2c829d7Sjakllsch Copyright (c) 1998  Intel Corporation
8*b2c829d7Sjakllsch 
9*b2c829d7Sjakllsch Module Name:
10*b2c829d7Sjakllsch 
11*b2c829d7Sjakllsch     EfiGpt.h
12*b2c829d7Sjakllsch 
13*b2c829d7Sjakllsch Abstract:
14*b2c829d7Sjakllsch     Include file for EFI partitioning scheme
15*b2c829d7Sjakllsch 
16*b2c829d7Sjakllsch 
17*b2c829d7Sjakllsch 
18*b2c829d7Sjakllsch Revision History
19*b2c829d7Sjakllsch 
20*b2c829d7Sjakllsch --*/
21*b2c829d7Sjakllsch 
22*b2c829d7Sjakllsch #define PRIMARY_PART_HEADER_LBA         1
23*b2c829d7Sjakllsch 
24*b2c829d7Sjakllsch typedef struct {
25*b2c829d7Sjakllsch     EFI_TABLE_HEADER    Header;
26*b2c829d7Sjakllsch     EFI_LBA             MyLBA;
27*b2c829d7Sjakllsch     EFI_LBA             AlternateLBA;
28*b2c829d7Sjakllsch     EFI_LBA             FirstUsableLBA;
29*b2c829d7Sjakllsch     EFI_LBA             LastUsableLBA;
30*b2c829d7Sjakllsch     EFI_GUID            DiskGUID;
31*b2c829d7Sjakllsch     EFI_LBA             PartitionEntryLBA;
32*b2c829d7Sjakllsch     UINT32              NumberOfPartitionEntries;
33*b2c829d7Sjakllsch     UINT32              SizeOfPartitionEntry;
34*b2c829d7Sjakllsch     UINT32              PartitionEntryArrayCRC32;
35*b2c829d7Sjakllsch } EFI_PARTITION_TABLE_HEADER;
36*b2c829d7Sjakllsch 
37*b2c829d7Sjakllsch #define EFI_PTAB_HEADER_ID  "EFI PART"
38*b2c829d7Sjakllsch 
39*b2c829d7Sjakllsch typedef struct {
40*b2c829d7Sjakllsch     EFI_GUID    PartitionTypeGUID;
41*b2c829d7Sjakllsch     EFI_GUID    UniquePartitionGUID;
42*b2c829d7Sjakllsch     EFI_LBA     StartingLBA;
43*b2c829d7Sjakllsch     EFI_LBA     EndingLBA;
44*b2c829d7Sjakllsch     UINT64      Attributes;
45*b2c829d7Sjakllsch     CHAR16      PartitionName[36];
46*b2c829d7Sjakllsch } EFI_PARTITION_ENTRY;
47*b2c829d7Sjakllsch 
48*b2c829d7Sjakllsch //
49*b2c829d7Sjakllsch // EFI Partition Attributes
50*b2c829d7Sjakllsch //
51*b2c829d7Sjakllsch #define EFI_PART_USED_BY_EFI            0x0000000000000001
52*b2c829d7Sjakllsch #define EFI_PART_REQUIRED_TO_FUNCTION   0x0000000000000002
53*b2c829d7Sjakllsch #define EFI_PART_USED_BY_OS             0x0000000000000004
54*b2c829d7Sjakllsch #define EFI_PART_REQUIRED_BY_OS         0x0000000000000008
55*b2c829d7Sjakllsch #define EFI_PART_BACKUP_REQUIRED        0x0000000000000010
56*b2c829d7Sjakllsch #define EFI_PART_USER_DATA              0x0000000000000020
57*b2c829d7Sjakllsch #define EFI_PART_CRITICAL_USER_DATA     0x0000000000000040
58*b2c829d7Sjakllsch #define EFI_PART_REDUNDANT_PARTITION    0x0000000000000080
59*b2c829d7Sjakllsch 
60*b2c829d7Sjakllsch #define EFI_PART_TYPE_UNUSED_GUID   \
61*b2c829d7Sjakllsch     { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }
62*b2c829d7Sjakllsch 
63*b2c829d7Sjakllsch #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID  \
64*b2c829d7Sjakllsch     { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
65*b2c829d7Sjakllsch 
66*b2c829d7Sjakllsch #define EFI_PART_TYPE_LEGACY_MBR_GUID   \
67*b2c829d7Sjakllsch     { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} }
68*b2c829d7Sjakllsch 
69*b2c829d7Sjakllsch #endif
70*b2c829d7Sjakllsch 
71