| | 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_NUMBERS CONFIG_EFI_PARTITION_ENTRIES_NUMBERS |
| | 31 | #define GPT_ENTRY_SIZE 128 |
| | 32 | |
| | 33 | #define PARTITION_SYSTEM_GUID \ |
| | 34 | EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \ |
| | 35 | 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) |
| | 36 | #define LEGACY_MBR_PARTITION_GUID \ |
| | 37 | EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \ |
| | 38 | 0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F) |
| | 39 | #define PARTITION_MSFT_RESERVED_GUID \ |
| | 40 | EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \ |
| | 41 | 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE) |
| | 42 | #define PARTITION_BASIC_DATA_GUID \ |
| | 43 | EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \ |
| | 44 | 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7) |
| | 45 | #define PARTITION_LINUX_FILE_SYSTEM_DATA_GUID \ |
| | 46 | EFI_GUID(0x0FC63DAF, 0x8483, 0x4772, \ |
| | 47 | 0x8E, 0x79, 0x3D, 0x69, 0xD8, 0x47, 0x7D, 0xE4) |
| | 48 | #define PARTITION_LINUX_RAID_GUID \ |
| | 49 | EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \ |
| | 50 | 0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e) |
| | 51 | #define PARTITION_LINUX_SWAP_GUID \ |
| | 52 | EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \ |
| | 53 | 0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f) |
| | 54 | #define PARTITION_LINUX_LVM_GUID \ |
| | 55 | EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ |
| | 56 | 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) |
| | 57 | |
| | 58 | /* linux/include/efi.h */ |
| | 59 | typedef u16 efi_char16_t; |
| | 60 | |
| | 61 | /* based on linux/include/genhd.h */ |
| | 62 | struct partition { |
| | 63 | u8 boot_ind; /* 0x80 - active */ |
| | 64 | u8 head; /* starting head */ |
| | 65 | u8 sector; /* starting sector */ |
| | 66 | u8 cyl; /* starting cylinder */ |
| | 67 | u8 sys_ind; /* What partition type */ |
| | 68 | u8 end_head; /* end head */ |
| | 69 | u8 end_sector; /* end sector */ |
| | 70 | u8 end_cyl; /* end cylinder */ |
| | 71 | __le32 start_sect; /* starting sector counting from 0 */ |
| | 72 | __le32 nr_sects; /* nr of sectors in partition */ |
| | 73 | } __packed; |
| | 74 | |
| | 75 | /* based on linux/fs/partitions/efi.h */ |
| | 76 | typedef struct _gpt_header { |
| | 77 | __le64 signature; |
| | 78 | __le32 revision; |
| | 79 | __le32 header_size; |
| | 80 | __le32 header_crc32; |
| | 81 | __le32 reserved1; |
| | 82 | __le64 my_lba; |
| | 83 | __le64 alternate_lba; |
| | 84 | __le64 first_usable_lba; |
| | 85 | __le64 last_usable_lba; |
| | 86 | efi_guid_t disk_guid; |
| | 87 | __le64 partition_entry_lba; |
| | 88 | __le32 num_partition_entries; |
| | 89 | __le32 sizeof_partition_entry; |
| | 90 | __le32 partition_entry_array_crc32; |
| | 91 | } __packed gpt_header; |
| | 92 | |
| | 93 | typedef union _gpt_entry_attributes { |
| | 94 | struct { |
| | 95 | u64 required_to_function:1; |
| | 96 | u64 no_block_io_protocol:1; |
| | 97 | u64 legacy_bios_bootable:1; |
| | 98 | u64 reserved:45; |
| | 99 | u64 type_guid_specific:16; |
| | 100 | } fields; |
| | 101 | unsigned long long raw; |
| | 102 | } __packed gpt_entry_attributes; |
| | 103 | |
| | 104 | #define PARTNAME_SZ (72 / sizeof(efi_char16_t)) |
| | 105 | typedef struct _gpt_entry { |
| | 106 | efi_guid_t partition_type_guid; |
| | 107 | efi_guid_t unique_partition_guid; |
| | 108 | __le64 starting_lba; |
| | 109 | __le64 ending_lba; |
| | 110 | gpt_entry_attributes attributes; |
| | 111 | efi_char16_t partition_name[PARTNAME_SZ]; |
| | 112 | } __packed gpt_entry; |
| | 113 | |
| | 114 | typedef struct _legacy_mbr { |
| | 115 | u8 boot_code[440]; |
| | 116 | __le32 unique_mbr_signature; |
| | 117 | __le16 unknown; |
| | 118 | struct partition partition_record[4]; |
| | 119 | __le16 signature; |
| | 120 | } __packed legacy_mbr; |
| | 121 | |
| | 122 | #endif /* _DISK_PART_EFI_H */ |
projects / people / ms / u-boot.git / blame_incremental