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 #include <drivers/partition/efi.h> 14 #include <tools_share/uuid.h> 15 16 #if !PLAT_PARTITION_MAX_ENTRIES 17 # define PLAT_PARTITION_MAX_ENTRIES 128 18 #endif /* PLAT_PARTITION_MAX_ENTRIES */ 19 20 CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); 21 22 #if !PLAT_PARTITION_BLOCK_SIZE 23 # define PLAT_PARTITION_BLOCK_SIZE 512 24 #endif /* PLAT_PARTITION_BLOCK_SIZE */ 25 26 CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) || 27 (PLAT_PARTITION_BLOCK_SIZE == 4096), 28 assert_plat_partition_block_size); 29 30 #define LEGACY_PARTITION_BLOCK_SIZE 512 31 32 typedef struct partition_entry { 33 uint64_t start; 34 uint64_t length; 35 char name[EFI_NAMELEN]; 36 struct efi_guid part_guid; 37 } partition_entry_t; 38 39 typedef struct partition_entry_list { 40 partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; 41 int entry_count; 42 } partition_entry_list_t; 43 44 int load_partition_table(unsigned int image_id); 45 const partition_entry_t *get_partition_entry(const char *name); 46 const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid); 47 const partition_entry_list_t *get_partition_entry_list(void); 48 void partition_init(unsigned int image_id); 49 50 #endif /* PARTITION_H */ 51