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52 lines
1.3 KiB
52 lines
1.3 KiB
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef GPT_H
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#define GPT_H
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#include <drivers/partition/partition.h>
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#define PARTITION_TYPE_GPT 0xee
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#define GPT_HEADER_OFFSET PLAT_PARTITION_BLOCK_SIZE
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#define GPT_ENTRY_OFFSET (GPT_HEADER_OFFSET + \
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PLAT_PARTITION_BLOCK_SIZE)
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#define GUID_LEN 16
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#define GPT_SIGNATURE "EFI PART"
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typedef struct gpt_entry {
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unsigned char type_uuid[GUID_LEN];
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unsigned char unique_uuid[GUID_LEN];
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unsigned long long first_lba;
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unsigned long long last_lba;
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unsigned long long attr;
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unsigned short name[EFI_NAMELEN];
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} gpt_entry_t;
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typedef struct gpt_header {
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unsigned char signature[8];
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unsigned int revision;
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unsigned int size;
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unsigned int header_crc;
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unsigned int reserved;
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unsigned long long current_lba;
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unsigned long long backup_lba;
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unsigned long long first_lba;
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unsigned long long last_lba;
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unsigned char disk_uuid[16];
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/* starting LBA of array of partition entries */
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unsigned long long part_lba;
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/* number of partition entries in array */
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unsigned int list_num;
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/* size of a single partition entry (usually 128) */
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unsigned int part_size;
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unsigned int part_crc;
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} gpt_header_t;
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int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry);
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#endif /* GPT_H */
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