aboutsummaryrefslogtreecommitdiff
path: root/include/drivers/partition/partition.h
blob: 5f6483373f3da2ab55b7ed5cc00e6e01952a4172 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
 * Copyright (c) 2016-2018, 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>

#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 EFI_NAMELEN			36

typedef struct partition_entry {
	uint64_t		start;
	uint64_t		length;
	char			name[EFI_NAMELEN];
} 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_list_t *get_partition_entry_list(void);
void partition_init(unsigned int image_id);

#endif /* PARTITION_H */