efi.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:4k
- /************************************************************
- * 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 Computer Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- ************************************************************/
- #ifndef FS_PART_EFI_H_INCLUDED
- #define FS_PART_EFI_H_INCLUDED
- #include <linux/types.h>
- #include <linux/config.h>
- #include <linux/fs.h>
- #include <linux/genhd.h>
- #include <linux/kernel.h>
- #include <linux/major.h>
- #include <linux/string.h>
- #include <linux/blk.h>
- #include <linux/efi.h>
- #define MSDOS_MBR_SIGNATURE 0xaa55
- #define EFI_PMBR_OSTYPE_EFI 0xEF
- #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
- #define GPT_BLOCK_SIZE 512
- #define GPT_HEADER_SIGNATURE 0x5452415020494645L
- #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 {
- u64 signature;
- u32 revision;
- u32 header_size;
- u32 header_crc32;
- u32 reserved1;
- u64 my_lba;
- u64 alternate_lba;
- u64 first_usable_lba;
- u64 last_usable_lba;
- efi_guid_t disk_guid;
- u64 partition_entry_lba;
- u32 num_partition_entries;
- u32 sizeof_partition_entry;
- u32 partition_entry_array_crc32;
- u8 reserved2[GPT_BLOCK_SIZE - 92];
- } __attribute__ ((packed)) gpt_header;
- typedef struct _gpt_entry_attributes {
- u64 required_to_function:1;
- u64 reserved:47;
- u64 type_guid_specific:16;
- } __attribute__ ((packed)) gpt_entry_attributes;
- typedef struct _gpt_entry {
- efi_guid_t partition_type_guid;
- efi_guid_t unique_partition_guid;
- u64 starting_lba;
- u64 ending_lba;
- gpt_entry_attributes attributes;
- efi_char16_t partition_name[72 / sizeof (efi_char16_t)];
- } __attribute__ ((packed)) gpt_entry;
- typedef struct _legacy_mbr {
- u8 boot_code[440];
- u32 unique_mbr_signature;
- u16 unknown;
- struct partition partition_record[4];
- u16 signature;
- } __attribute__ ((packed)) legacy_mbr;
- /* Functions */
- extern int
- efi_partition(struct gendisk *hd, struct block_device *bdev,
- unsigned long first_sector, int first_part_minor);
- #endif