Convert CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT to Kconfig
[platform/kernel/u-boot.git] / include / part_efi.h
1 /*
2  * Copyright (C) 2008 RuggedCom, Inc.
3  * Richard Retanubun <RichardRetanubun@RuggedCom.com>
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 /*
9  * See also linux/fs/partitions/efi.h
10  *
11  * EFI GUID Partition Table
12  * Per Intel EFI Specification v1.02
13  * http://developer.intel.com/technology/efi/efi.htm
14 */
15
16 #include <linux/compiler.h>
17
18 #ifndef _DISK_PART_EFI_H
19 #define _DISK_PART_EFI_H
20
21 #include <efi.h>
22
23 #define MSDOS_MBR_SIGNATURE 0xAA55
24 #define EFI_PMBR_OSTYPE_EFI 0xEF
25 #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
26
27 #define GPT_HEADER_SIGNATURE 0x5452415020494645ULL
28 #define GPT_HEADER_REVISION_V1 0x00010000
29 #define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL
30 #define GPT_ENTRY_NAME "gpt"
31 #define GPT_ENTRY_NUMBERS               128
32 #define GPT_ENTRY_SIZE                  128
33
34 #define PARTITION_SYSTEM_GUID \
35         EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \
36                 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B)
37 #define LEGACY_MBR_PARTITION_GUID \
38         EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \
39                 0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F)
40 #define PARTITION_MSFT_RESERVED_GUID \
41         EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \
42                 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE)
43 #define PARTITION_BASIC_DATA_GUID \
44         EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \
45                 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7)
46 #define PARTITION_LINUX_FILE_SYSTEM_DATA_GUID \
47         EFI_GUID(0x0FC63DAF, 0x8483, 0x4772, \
48                 0x8E, 0x79, 0x3D, 0x69, 0xD8, 0x47, 0x7D, 0xE4)
49 #define PARTITION_LINUX_RAID_GUID \
50         EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \
51                 0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e)
52 #define PARTITION_LINUX_SWAP_GUID \
53         EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \
54                 0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f)
55 #define PARTITION_LINUX_LVM_GUID \
56         EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \
57                 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28)
58
59 /* linux/include/efi.h */
60 typedef u16 efi_char16_t;
61
62 typedef struct {
63         u8 b[16];
64 } efi_guid_t;
65
66 /* based on linux/include/genhd.h */
67 struct partition {
68         u8 boot_ind;            /* 0x80 - active */
69         u8 head;                /* starting head */
70         u8 sector;              /* starting sector */
71         u8 cyl;                 /* starting cylinder */
72         u8 sys_ind;             /* What partition type */
73         u8 end_head;            /* end head */
74         u8 end_sector;          /* end sector */
75         u8 end_cyl;             /* end cylinder */
76         __le32 start_sect;      /* starting sector counting from 0 */
77         __le32 nr_sects;        /* nr of sectors in partition */
78 } __packed;
79
80 /* based on linux/fs/partitions/efi.h */
81 typedef struct _gpt_header {
82         __le64 signature;
83         __le32 revision;
84         __le32 header_size;
85         __le32 header_crc32;
86         __le32 reserved1;
87         __le64 my_lba;
88         __le64 alternate_lba;
89         __le64 first_usable_lba;
90         __le64 last_usable_lba;
91         efi_guid_t disk_guid;
92         __le64 partition_entry_lba;
93         __le32 num_partition_entries;
94         __le32 sizeof_partition_entry;
95         __le32 partition_entry_array_crc32;
96 } __packed gpt_header;
97
98 typedef union _gpt_entry_attributes {
99         struct {
100                 u64 required_to_function:1;
101                 u64 no_block_io_protocol:1;
102                 u64 legacy_bios_bootable:1;
103                 u64 reserved:45;
104                 u64 type_guid_specific:16;
105         } fields;
106         unsigned long long raw;
107 } __packed gpt_entry_attributes;
108
109 #define PARTNAME_SZ     (72 / sizeof(efi_char16_t))
110 typedef struct _gpt_entry {
111         efi_guid_t partition_type_guid;
112         efi_guid_t unique_partition_guid;
113         __le64 starting_lba;
114         __le64 ending_lba;
115         gpt_entry_attributes attributes;
116         efi_char16_t partition_name[PARTNAME_SZ];
117 } __packed gpt_entry;
118
119 typedef struct _legacy_mbr {
120         u8 boot_code[440];
121         __le32 unique_mbr_signature;
122         __le16 unknown;
123         struct partition partition_record[4];
124         __le16 signature;
125 } __packed legacy_mbr;
126
127 #endif  /* _DISK_PART_EFI_H */