1201b66b7SHaojian Zhuang /* 293c78ed2SAntonio Nino Diaz * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. 3201b66b7SHaojian Zhuang * 482cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause 5201b66b7SHaojian Zhuang */ 6201b66b7SHaojian Zhuang 7c3cf06f1SAntonio Nino Diaz #ifndef PARTITION_H 8c3cf06f1SAntonio Nino Diaz #define PARTITION_H 9201b66b7SHaojian Zhuang 1093c78ed2SAntonio Nino Diaz #include <stdint.h> 11201b66b7SHaojian Zhuang 1209d40e0eSAntonio Nino Diaz #include <lib/cassert.h> 13*2029f930SSughosh Ganu #include <drivers/partition/efi.h> 1409d40e0eSAntonio Nino Diaz 15201b66b7SHaojian Zhuang #if !PLAT_PARTITION_MAX_ENTRIES 16201b66b7SHaojian Zhuang # define PLAT_PARTITION_MAX_ENTRIES 128 17201b66b7SHaojian Zhuang #endif /* PLAT_PARTITION_MAX_ENTRIES */ 18201b66b7SHaojian Zhuang 19201b66b7SHaojian Zhuang CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); 20201b66b7SHaojian Zhuang 21f8631f51SHaojian Zhuang #if !PLAT_PARTITION_BLOCK_SIZE 22f8631f51SHaojian Zhuang # define PLAT_PARTITION_BLOCK_SIZE 512 23f8631f51SHaojian Zhuang #endif /* PLAT_PARTITION_BLOCK_SIZE */ 24f8631f51SHaojian Zhuang 25f8631f51SHaojian Zhuang CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) || 26f8631f51SHaojian Zhuang (PLAT_PARTITION_BLOCK_SIZE == 4096), 27f8631f51SHaojian Zhuang assert_plat_partition_block_size); 28f8631f51SHaojian Zhuang 29f8631f51SHaojian Zhuang #define LEGACY_PARTITION_BLOCK_SIZE 512 30201b66b7SHaojian Zhuang 31201b66b7SHaojian Zhuang typedef struct partition_entry { 32201b66b7SHaojian Zhuang uint64_t start; 33201b66b7SHaojian Zhuang uint64_t length; 34201b66b7SHaojian Zhuang char name[EFI_NAMELEN]; 35201b66b7SHaojian Zhuang } partition_entry_t; 36201b66b7SHaojian Zhuang 37201b66b7SHaojian Zhuang typedef struct partition_entry_list { 38201b66b7SHaojian Zhuang partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; 39201b66b7SHaojian Zhuang int entry_count; 40201b66b7SHaojian Zhuang } partition_entry_list_t; 41201b66b7SHaojian Zhuang 42201b66b7SHaojian Zhuang int load_partition_table(unsigned int image_id); 43201b66b7SHaojian Zhuang const partition_entry_t *get_partition_entry(const char *name); 44201b66b7SHaojian Zhuang const partition_entry_list_t *get_partition_entry_list(void); 45201b66b7SHaojian Zhuang void partition_init(unsigned int image_id); 46201b66b7SHaojian Zhuang 47c3cf06f1SAntonio Nino Diaz #endif /* PARTITION_H */ 48