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Diffstat (limited to '')
| -rw-r--r-- | include/drivers/partition/gpt.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/drivers/partition/gpt.h b/include/drivers/partition/gpt.h new file mode 100644 index 0000000..c2a229e --- /dev/null +++ b/include/drivers/partition/gpt.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef GPT_H +#define GPT_H + +#include <drivers/partition/efi.h> +#include <drivers/partition/partition.h> +#include <tools_share/uuid.h> + +#define PARTITION_TYPE_GPT 0xee +#define GPT_HEADER_OFFSET PLAT_PARTITION_BLOCK_SIZE +#define GPT_ENTRY_OFFSET (GPT_HEADER_OFFSET + \ + PLAT_PARTITION_BLOCK_SIZE) + +#define GPT_SIGNATURE "EFI PART" + +typedef struct gpt_entry { + struct efi_guid type_uuid; + struct efi_guid unique_uuid; + unsigned long long first_lba; + unsigned long long last_lba; + unsigned long long attr; + unsigned short name[EFI_NAMELEN]; +} gpt_entry_t; + +typedef struct gpt_header { + unsigned char signature[8]; + unsigned int revision; + unsigned int size; + unsigned int header_crc; + unsigned int reserved; + unsigned long long current_lba; + unsigned long long backup_lba; + unsigned long long first_lba; + unsigned long long last_lba; + struct efi_guid disk_uuid; + /* starting LBA of array of partition entries */ + unsigned long long part_lba; + /* number of partition entries in array */ + unsigned int list_num; + /* size of a single partition entry (usually 128) */ + unsigned int part_size; + unsigned int part_crc; +} gpt_header_t; + +int parse_gpt_entry(gpt_entry_t *gpt_entry, partition_entry_t *entry); + +#endif /* GPT_H */ |