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94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2015.
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This file is part of Sortix libmount.
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Sortix libmount is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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Sortix libmount is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Sortix libmount. If not, see <http://www.gnu.org/licenses/>.
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mount/gpt.h
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GUID Partition Table.
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*******************************************************************************/
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#ifndef INCLUDE_MOUNT_GPT_H
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#define INCLUDE_MOUNT_GPT_H
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#include <sys/types.h>
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#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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struct blockdevice;
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struct partition_table;
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struct gpt
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{
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char signature[8];
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uint32_t revision;
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uint32_t header_size;
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uint32_t header_crc32;
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uint32_t reserved0;
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uint64_t my_lba;
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uint64_t alternate_lba;
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uint64_t first_usable_lba;
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uint64_t last_usable_lba;
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unsigned char disk_guid[16];
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uint64_t partition_entry_lba;
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uint32_t number_of_partition_entries;
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uint32_t size_of_partition_entry;
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uint32_t partition_entry_array_crc32;
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unsigned char reserved1[420];
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};
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static_assert(sizeof(struct gpt) == 512, "sizeof(struct gpt) == 512");
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#define GPT_PARTITION_NAME_LENGTH 36
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struct gpt_partition
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{
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unsigned char partition_type_guid[16];
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unsigned char unique_partition_guid[16];
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uint64_t starting_lba;
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uint64_t ending_lba;
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uint64_t attributes;
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uint16_t partition_name[GPT_PARTITION_NAME_LENGTH];
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};
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static_assert(sizeof(struct gpt_partition) == 128, "sizeof(struct gpt_partition) == 128");
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struct gpt_partition_table
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{
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struct gpt gpt;
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unsigned char* rpt;
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};
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#if defined(__cplusplus)
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extern "C" {
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#endif
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void gpt_decode(struct gpt*);
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void gpt_encode(struct gpt*);
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void gpt_partition_decode(struct gpt_partition*);
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void gpt_partition_encode(struct gpt_partition*);
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char* gpt_decode_utf16(uint16_t* string, size_t length);
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uint32_t gpt_crc32(const void*, size_t);
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void gpt_partition_table_release(struct gpt_partition_table*);
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#if defined(__cplusplus)
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} /* extern "C" */
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#endif
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#endif
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