blob: 8e749c9dc7988d5e5821316e6b83009cfcf12b86 [file] [log] [blame]
/*
* Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PARTITION_H
#define PARTITION_H
#include <stdint.h>
#include <lib/cassert.h>
#include <drivers/partition/efi.h>
#include <tools_share/uuid.h>
#if !PLAT_PARTITION_MAX_ENTRIES
# define PLAT_PARTITION_MAX_ENTRIES 128
#endif /* PLAT_PARTITION_MAX_ENTRIES */
CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries);
#if !PLAT_PARTITION_BLOCK_SIZE
# define PLAT_PARTITION_BLOCK_SIZE 512
#endif /* PLAT_PARTITION_BLOCK_SIZE */
CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) ||
(PLAT_PARTITION_BLOCK_SIZE == 4096),
assert_plat_partition_block_size);
#define LEGACY_PARTITION_BLOCK_SIZE 512
#define LBA(n) ((unsigned long long)(n) * PLAT_PARTITION_BLOCK_SIZE)
typedef struct partition_entry {
uint64_t start;
uint64_t length;
char name[EFI_NAMELEN];
struct efi_guid part_guid;
struct efi_guid type_guid;
} partition_entry_t;
typedef struct partition_entry_list {
partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES];
int entry_count;
} partition_entry_list_t;
int load_partition_table(unsigned int image_id);
const partition_entry_t *get_partition_entry(const char *name);
const partition_entry_t *get_partition_entry_by_type(const uuid_t *type_guid);
const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid);
const partition_entry_list_t *get_partition_entry_list(void);
void partition_init(unsigned int image_id);
#endif /* PARTITION_H */