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 #if !PLAT_PARTITION_BLOCK_SIZE 21 # define PLAT_PARTITION_BLOCK_SIZE 512 22 #endif /* PLAT_PARTITION_BLOCK_SIZE */ 23 24 CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) || 25 (PLAT_PARTITION_BLOCK_SIZE == 4096), 26 assert_plat_partition_block_size); 27 28 #define LEGACY_PARTITION_BLOCK_SIZE 512 29 30 #define EFI_NAMELEN 36 31 32 typedef struct partition_entry { 33 uint64_t start; 34 uint64_t length; 35 char name[EFI_NAMELEN]; 36 } partition_entry_t; 37 38 typedef struct partition_entry_list { 39 partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; 40 int entry_count; 41 } partition_entry_list_t; 42 43 int load_partition_table(unsigned int image_id); 44 const partition_entry_t *get_partition_entry(const char *name); 45 const partition_entry_list_t *get_partition_entry_list(void); 46 void partition_init(unsigned int image_id); 47 48 #endif /* PARTITION_H */ 49