94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2015.
|
|
|
|
This file is part of Sortix libmount.
|
|
|
|
Sortix libmount is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by the
|
|
Free Software Foundation, either version 3 of the License, or (at your
|
|
option) any later version.
|
|
|
|
Sortix libmount 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with Sortix libmount. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
mount/gpt.h
|
|
GUID Partition Table.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef INCLUDE_MOUNT_GPT_H
|
|
#define INCLUDE_MOUNT_GPT_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
struct blockdevice;
|
|
struct partition_table;
|
|
|
|
struct gpt
|
|
{
|
|
char signature[8];
|
|
uint32_t revision;
|
|
uint32_t header_size;
|
|
uint32_t header_crc32;
|
|
uint32_t reserved0;
|
|
uint64_t my_lba;
|
|
uint64_t alternate_lba;
|
|
uint64_t first_usable_lba;
|
|
uint64_t last_usable_lba;
|
|
unsigned char disk_guid[16];
|
|
uint64_t partition_entry_lba;
|
|
uint32_t number_of_partition_entries;
|
|
uint32_t size_of_partition_entry;
|
|
uint32_t partition_entry_array_crc32;
|
|
unsigned char reserved1[420];
|
|
};
|
|
|
|
static_assert(sizeof(struct gpt) == 512, "sizeof(struct gpt) == 512");
|
|
|
|
#define GPT_PARTITION_NAME_LENGTH 36
|
|
struct gpt_partition
|
|
{
|
|
unsigned char partition_type_guid[16];
|
|
unsigned char unique_partition_guid[16];
|
|
uint64_t starting_lba;
|
|
uint64_t ending_lba;
|
|
uint64_t attributes;
|
|
uint16_t partition_name[GPT_PARTITION_NAME_LENGTH];
|
|
};
|
|
|
|
static_assert(sizeof(struct gpt_partition) == 128, "sizeof(struct gpt_partition) == 128");
|
|
|
|
struct gpt_partition_table
|
|
{
|
|
struct gpt gpt;
|
|
unsigned char* rpt;
|
|
};
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
void gpt_decode(struct gpt*);
|
|
void gpt_encode(struct gpt*);
|
|
void gpt_partition_decode(struct gpt_partition*);
|
|
void gpt_partition_encode(struct gpt_partition*);
|
|
char* gpt_decode_utf16(uint16_t* string, size_t length);
|
|
uint32_t gpt_crc32(const void*, size_t);
|
|
void gpt_partition_table_release(struct gpt_partition_table*);
|
|
|
|
#if defined(__cplusplus)
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif
|