diff options
Diffstat (limited to 'include/drivers/partition/partition.h')
-rw-r--r-- | include/drivers/partition/partition.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/drivers/partition/partition.h b/include/drivers/partition/partition.h new file mode 100644 index 0000000..d567d4c --- /dev/null +++ b/include/drivers/partition/partition.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PARTITION_H +#define PARTITION_H + +#include <stdint.h> + +#include <lib/cassert.h> +#include <drivers/partition/efi.h> +#include <tools_share/uuid.h> + +#if !PLAT_PARTITION_MAX_ENTRIES +# define PLAT_PARTITION_MAX_ENTRIES 128 +#endif /* PLAT_PARTITION_MAX_ENTRIES */ + +CASSERT(PLAT_PARTITION_MAX_ENTRIES <= 128, assert_plat_partition_max_entries); + +#if !PLAT_PARTITION_BLOCK_SIZE +# define PLAT_PARTITION_BLOCK_SIZE 512 +#endif /* PLAT_PARTITION_BLOCK_SIZE */ + +CASSERT((PLAT_PARTITION_BLOCK_SIZE == 512) || + (PLAT_PARTITION_BLOCK_SIZE == 4096), + assert_plat_partition_block_size); + +#define LEGACY_PARTITION_BLOCK_SIZE 512 + +#define LBA(n) ((unsigned long long)(n) * PLAT_PARTITION_BLOCK_SIZE) + +typedef struct partition_entry { + uint64_t start; + uint64_t length; + char name[EFI_NAMELEN]; + struct efi_guid part_guid; + struct efi_guid type_guid; +} partition_entry_t; + +typedef struct partition_entry_list { + partition_entry_t list[PLAT_PARTITION_MAX_ENTRIES]; + int entry_count; +} partition_entry_list_t; + +int load_partition_table(unsigned int image_id); +const partition_entry_t *get_partition_entry(const char *name); +const partition_entry_t *get_partition_entry_by_type(const uuid_t *type_guid); +const partition_entry_t *get_partition_entry_by_uuid(const uuid_t *part_uuid); +const partition_entry_list_t *get_partition_entry_list(void); +void partition_init(unsigned int image_id); +int gpt_partition_init(void); + +#endif /* PARTITION_H */ |