xref: /rk3399_ARM-atf/include/drivers/partition/partition.h (revision 09d40e0e08283a249e7dce0e106c07c5141f9b7e)
1 /*
2  * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef PARTITION_H
8 #define PARTITION_H
9 
10 #include <stdint.h>
11 
12 #include <lib/cassert.h>
13 
14 #if !PLAT_PARTITION_MAX_ENTRIES
15 # define PLAT_PARTITION_MAX_ENTRIES	128
16 #endif	/* PLAT_PARTITION_MAX_ENTRIES */
17 
18 CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries);
19 
20 #define PARTITION_BLOCK_SIZE		512
21 
22 #define EFI_NAMELEN			36
23 
24 typedef struct partition_entry {
25 	uint64_t		start;
26 	uint64_t		length;
27 	char			name[EFI_NAMELEN];
28 } partition_entry_t;
29 
30 typedef struct partition_entry_list {
31 	partition_entry_t	list[PLAT_PARTITION_MAX_ENTRIES];
32 	int			entry_count;
33 } partition_entry_list_t;
34 
35 int load_partition_table(unsigned int image_id);
36 const partition_entry_t *get_partition_entry(const char *name);
37 const partition_entry_list_t *get_partition_entry_list(void);
38 void partition_init(unsigned int image_id);
39 
40 #endif /* PARTITION_H */
41