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include/part_efi.h
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/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* * Copyright (C) 2008 RuggedCom, Inc. * Richard Retanubun <RichardRetanubun@RuggedCom.com> |
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*/ /* * See also linux/fs/partitions/efi.h * * EFI GUID Partition Table * Per Intel EFI Specification v1.02 * http://developer.intel.com/technology/efi/efi.htm */ |
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#include <linux/compiler.h> |
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#ifndef _DISK_PART_EFI_H #define _DISK_PART_EFI_H |
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#include <efi.h> |
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#define MSDOS_MBR_SIGNATURE 0xAA55 |
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#define MSDOS_MBR_BOOT_CODE_SIZE 440 |
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#define EFI_PMBR_OSTYPE_EFI 0xEF #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE |
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#define GPT_HEADER_SIGNATURE_UBOOT 0x5452415020494645ULL |
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#define GPT_HEADER_CHROMEOS_IGNORE 0x454d45524f4e4749ULL // 'IGNOREME' |
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#define GPT_HEADER_REVISION_V1 0x00010000 #define GPT_PRIMARY_PARTITION_TABLE_LBA 1ULL |
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#define GPT_ENTRY_NUMBERS CONFIG_EFI_PARTITION_ENTRIES_NUMBERS |
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#define GPT_ENTRY_SIZE 128 |
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#define PARTITION_SYSTEM_GUID \ |
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EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \ 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) |
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#define LEGACY_MBR_PARTITION_GUID \ |
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EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \ 0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F) |
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#define PARTITION_MSFT_RESERVED_GUID \ |
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EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \ 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE) |
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#define PARTITION_BASIC_DATA_GUID \ |
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EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \ 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7) |
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#define PARTITION_LINUX_FILE_SYSTEM_DATA_GUID \ EFI_GUID(0x0FC63DAF, 0x8483, 0x4772, \ 0x8E, 0x79, 0x3D, 0x69, 0xD8, 0x47, 0x7D, 0xE4) |
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#define PARTITION_LINUX_RAID_GUID \ |
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EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \ 0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e) |
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#define PARTITION_LINUX_SWAP_GUID \ |
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EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \ 0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f) |
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#define PARTITION_LINUX_LVM_GUID \ |
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EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) |
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/* linux/include/efi.h */ |
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typedef u16 efi_char16_t; |
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/* based on linux/include/genhd.h */ struct partition { |
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u8 boot_ind; /* 0x80 - active */ u8 head; /* starting head */ u8 sector; /* starting sector */ u8 cyl; /* starting cylinder */ u8 sys_ind; /* What partition type */ u8 end_head; /* end head */ u8 end_sector; /* end sector */ u8 end_cyl; /* end cylinder */ __le32 start_sect; /* starting sector counting from 0 */ __le32 nr_sects; /* nr of sectors in partition */ } __packed; |
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/* based on linux/fs/partitions/efi.h */ typedef struct _gpt_header { |
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__le64 signature; __le32 revision; __le32 header_size; __le32 header_crc32; __le32 reserved1; __le64 my_lba; __le64 alternate_lba; __le64 first_usable_lba; __le64 last_usable_lba; |
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efi_guid_t disk_guid; |
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__le64 partition_entry_lba; __le32 num_partition_entries; __le32 sizeof_partition_entry; __le32 partition_entry_array_crc32; |
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} __packed gpt_header; |
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typedef union _gpt_entry_attributes { struct { |
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u64 required_to_function:1; u64 no_block_io_protocol:1; u64 legacy_bios_bootable:1; u64 reserved:45; u64 type_guid_specific:16; |
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} fields; unsigned long long raw; |
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} __packed gpt_entry_attributes; |
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#define PARTNAME_SZ (72 / sizeof(efi_char16_t)) |
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typedef struct _gpt_entry { efi_guid_t partition_type_guid; efi_guid_t unique_partition_guid; |
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__le64 starting_lba; __le64 ending_lba; |
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gpt_entry_attributes attributes; |
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efi_char16_t partition_name[PARTNAME_SZ]; |
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} __packed gpt_entry; |
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typedef struct _legacy_mbr { |
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u8 boot_code[MSDOS_MBR_BOOT_CODE_SIZE]; |
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__le32 unique_mbr_signature; __le16 unknown; |
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struct partition partition_record[4]; |
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__le16 signature; } __packed legacy_mbr; |
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#endif /* _DISK_PART_EFI_H */ |