1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #ifndef PARTITION_H 8*91f16700Schasinglulu #define PARTITION_H 9*91f16700Schasinglulu 10*91f16700Schasinglulu #include <stdint.h> 11*91f16700Schasinglulu 12*91f16700Schasinglulu #include <lib/cassert.h> 13*91f16700Schasinglulu #include <drivers/partition/efi.h> 14*91f16700Schasinglulu #include <tools_share/uuid.h> 15*91f16700Schasinglulu 16*91f16700Schasinglulu #if !PLAT_PARTITION_MAX_ENTRIES 17*91f16700Schasinglulu # define PLAT_PARTITION_MAX_ENTRIES 128 18*91f16700Schasinglulu #endif /* PLAT_PARTITION_MAX_ENTRIES */ 19*91f16700Schasinglulu 20*91f16700Schasinglulu CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); 21*91f16700Schasinglulu 22*91f16700Schasinglulu #if !PLAT_PARTITION_BLOCK_SIZE 23*91f16700Schasinglulu # define PLAT_PARTITION_BLOCK_SIZE 512 24*91f16700Schasinglulu #endif /* PLAT_PARTITION_BLOCK_SIZE */ 25*91f16700Schasinglulu 26*91f16700Schasinglulu CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) || 27*91f16700Schasinglulu (PLAT_PARTITION_BLOCK_SIZE == 4096), 28*91f16700Schasinglulu assert_plat_partition_block_size); 29*91f16700Schasinglulu 30*91f16700Schasinglulu #define LEGACY_PARTITION_BLOCK_SIZE 512 31*91f16700Schasinglulu 32*91f16700Schasinglulu #define LBA(n) ((unsigned long long)(n) * PLAT_PARTITION_BLOCK_SIZE) 33*91f16700Schasinglulu 34*91f16700Schasinglulu typedef struct partition_entry { 35*91f16700Schasinglulu uint64_t start; 36*91f16700Schasinglulu uint64_t length; 37*91f16700Schasinglulu char name[EFI_NAMELEN]; 38*91f16700Schasinglulu struct efi_guid part_guid; 39*91f16700Schasinglulu struct efi_guid type_guid; 40*91f16700Schasinglulu } partition_entry_t; 41*91f16700Schasinglulu 42*91f16700Schasinglulu typedef struct partition_entry_list { 43*91f16700Schasinglulu partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; 44*91f16700Schasinglulu int entry_count; 45*91f16700Schasinglulu } partition_entry_list_t; 46*91f16700Schasinglulu 47*91f16700Schasinglulu int load_partition_table(unsigned int image_id); 48*91f16700Schasinglulu const partition_entry_t *get_partition_entry(const char *name); 49*91f16700Schasinglulu const partition_entry_t *get_partition_entry_by_type(const uuid_t *type_guid); 50*91f16700Schasinglulu const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid); 51*91f16700Schasinglulu const partition_entry_list_t *get_partition_entry_list(void); 52*91f16700Schasinglulu void partition_init(unsigned int image_id); 53*91f16700Schasinglulu int gpt_partition_init(void); 54*91f16700Schasinglulu 55*91f16700Schasinglulu #endif /* PARTITION_H */ 56