116 строки
3.6 KiB
C
116 строки
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/************************************************************
|
|
* EFI GUID Partition Table
|
|
* Per Intel EFI Specification v1.02
|
|
* http://developer.intel.com/technology/efi/efi.htm
|
|
*
|
|
* By Matt Domsch <Matt_Domsch@dell.com> Fri Sep 22 22:15:56 CDT 2000
|
|
* Copyright 2000,2001 Dell Inc.
|
|
************************************************************/
|
|
|
|
#ifndef FS_PART_EFI_H_INCLUDED
|
|
#define FS_PART_EFI_H_INCLUDED
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/major.h>
|
|
#include <linux/string.h>
|
|
#include <linux/efi.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#define MSDOS_MBR_SIGNATURE 0xaa55
|
|
#define EFI_PMBR_OSTYPE_EFI 0xEF
|
|
#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
|
|
|
|
#define GPT_MBR_PROTECTIVE 1
|
|
#define GPT_MBR_HYBRID 2
|
|
|
|
#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL
|
|
#define GPT_HEADER_REVISION_V1 0x00010000
|
|
#define GPT_PRIMARY_PARTITION_TABLE_LBA 1
|
|
|
|
#define PARTITION_SYSTEM_GUID \
|
|
EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \
|
|
0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B)
|
|
#define LEGACY_MBR_PARTITION_GUID \
|
|
EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \
|
|
0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F)
|
|
#define PARTITION_MSFT_RESERVED_GUID \
|
|
EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \
|
|
0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE)
|
|
#define PARTITION_BASIC_DATA_GUID \
|
|
EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \
|
|
0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7)
|
|
#define PARTITION_LINUX_RAID_GUID \
|
|
EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \
|
|
0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e)
|
|
#define PARTITION_LINUX_SWAP_GUID \
|
|
EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \
|
|
0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f)
|
|
#define PARTITION_LINUX_LVM_GUID \
|
|
EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \
|
|
0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28)
|
|
|
|
typedef struct _gpt_header {
|
|
__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;
|
|
efi_guid_t disk_guid;
|
|
__le64 partition_entry_lba;
|
|
__le32 num_partition_entries;
|
|
__le32 sizeof_partition_entry;
|
|
__le32 partition_entry_array_crc32;
|
|
|
|
/* The rest of the logical block is reserved by UEFI and must be zero.
|
|
* EFI standard handles this by:
|
|
*
|
|
* uint8_t reserved2[ BlockSize - 92 ];
|
|
*/
|
|
} __packed gpt_header;
|
|
|
|
typedef struct _gpt_entry_attributes {
|
|
u64 required_to_function:1;
|
|
u64 reserved:47;
|
|
u64 type_guid_specific:16;
|
|
} __packed gpt_entry_attributes;
|
|
|
|
typedef struct _gpt_entry {
|
|
efi_guid_t partition_type_guid;
|
|
efi_guid_t unique_partition_guid;
|
|
__le64 starting_lba;
|
|
__le64 ending_lba;
|
|
gpt_entry_attributes attributes;
|
|
__le16 partition_name[72/sizeof(__le16)];
|
|
} __packed gpt_entry;
|
|
|
|
typedef struct _gpt_mbr_record {
|
|
u8 boot_indicator; /* unused by EFI, set to 0x80 for bootable */
|
|
u8 start_head; /* unused by EFI, pt start in CHS */
|
|
u8 start_sector; /* unused by EFI, pt start in CHS */
|
|
u8 start_track;
|
|
u8 os_type; /* EFI and legacy non-EFI OS types */
|
|
u8 end_head; /* unused by EFI, pt end in CHS */
|
|
u8 end_sector; /* unused by EFI, pt end in CHS */
|
|
u8 end_track; /* unused by EFI, pt end in CHS */
|
|
__le32 starting_lba; /* used by EFI - start addr of the on disk pt */
|
|
__le32 size_in_lba; /* used by EFI - size of pt in LBA */
|
|
} __packed gpt_mbr_record;
|
|
|
|
|
|
typedef struct _legacy_mbr {
|
|
u8 boot_code[440];
|
|
__le32 unique_mbr_signature;
|
|
__le16 unknown;
|
|
gpt_mbr_record partition_record[4];
|
|
__le16 signature;
|
|
} __packed legacy_mbr;
|
|
|
|
#endif
|