nv_update.c 文件参考

#include "nv_update.h"
#include "nv_store.h"
#include "nv_page.h"
#include "nv_key.h"
#include "nv_porting.h"
#include "nv_config.h"
#include "nv_reset.h"
#include "nv_nvregion.h"
#include "assert.h"
#include "common_def.h"
#include "uapi_crc.h"

nv_update.c 的引用(Include)关系图:

宏定义
#define	KV_WRITE_KEY_BUFFER_SIZE   NV_KEY_DATA_CHUNK_LEN
#define	KV_WRITE_CHUNK_SIZE   32
#define	assert__(x)   ((void)0)

函数
STATIC errcode_t	kv_create_write_buffer (uint32_t write_location, uint32_t size)
STATIC void	kv_remove_write_buffer (void)
STATIC kv_managed_source_buffer_t *	kv_update_source_buffer (uint8_t *data, uint32_t data_length)
STATIC void	kv_remove_source_buffer (void)
STATIC void	kv_release_crypto (void)
STATIC errcode_t	begin_state_machine (const kv_state_machine_t *machine)
STATIC void	end_state_machine (void)
STATIC kv_update_event_t	kv_update_action_store_write_buffer (void)
STATIC kv_update_event_t	kv_update_action_prime_write_buffer (void)
STATIC kv_update_event_t	kv_update_action_select_first_page (void)
STATIC kv_update_event_t	kv_update_action_select_next_page (void)
STATIC kv_update_event_t	kv_update_action_find_first_key (void)
STATIC kv_update_event_t	kv_update_action_find_next_key (void)
STATIC kv_update_event_t	kv_update_action_prepare_delete_key (void)
STATIC kv_update_event_t	kv_update_action_find_defrag_page (void)
STATIC kv_update_event_t	kv_update_action_erase_defrag_page (void)
STATIC kv_update_event_t	kv_update_action_prepare_copy_key (void)
STATIC kv_update_event_t	kv_update_action_prepare_defrag_page (void)
STATIC kv_update_event_t	kv_update_action_copy_all_keys (void)
STATIC kv_update_event_t	kv_update_action_prepare_page_header (void)
STATIC kv_update_event_t	kv_update_action_find_write_position (void)
STATIC kv_update_event_t	kv_update_action_defrag_current_page (void)
STATIC kv_update_event_t	kv_update_action_update_nvregion_map (void)
STATIC kv_update_event_t	kv_update_action_prepare_store (void)
STATIC kv_update_event_t	kv_update_action_prepare_write_key (void)
STATIC kv_update_event_t	kv_update_action_claim_crypto (void)
STATIC kv_update_event_t	kv_update_action_erase_old_keys (void)
STATIC kv_update_event_t	kv_update_action_update_nvmap_for_erase_key (void)
STATIC kv_update_event_t	kv_update_action_update_nvmap_for_new_key (void)
STATIC errcode_t	kv_update_hash_encrypt_chunk (kv_managed_write_buffer_t *write_buffer, const kv_managed_source_buffer_t *source_buffer, uint32_t chunk_dest, uint32_t chunk_len)
STATIC errcode_t	prime_next_chunk (void)
STATIC errcode_t	select_next_source_buffer (void)
STATIC kv_update_event_t	kv_update_helper_prepare_write_buffer (void)
STATIC kv_update_event_t	kv_update_helper_setup_key_header_source_buffer (void)
STATIC kv_update_event_t	kv_update_helper_setup_key_data_source_buffer (bool release_key_data)
STATIC kv_update_event_t	kv_update_helper_setup_key_hash_source_buffer (void)
STATIC kv_update_event_t	kv_update_helper_prepare_source_buffers (bool release_key_data)
STATIC kv_update_event_t	kv_update_helper_check_for_key_updates (void)
STATIC errcode_t	kv_update_helper_get_current_key (uint8_t **old_kvalue, uint32_t *kvalue_length)
STATIC void	update_current_state (void)
STATIC errcode_t	process_state_machine (void)
STATIC bool	active_state_machine (void)
STATIC uint32_t	determine_flash_task_state_code (errcode_t res)
errcode_t	kv_update_init (cores_t core)
STATIC errcode_t	kv_updata_backup_page_head_is_valid (const kv_page_header_t *backup_head)
STATIC errcode_t	kv_updata_backup_fail_process (uint32_t back_maybe_need_process_location)
errcode_t	kv_update_backup_init (void)
errcode_t	kv_update_erase_key (kv_store_t core, flash_task_node *sanitised_tasks)
errcode_t	kv_update_write_key (kv_store_t core, flash_task_node *sanitised_task)
errcode_t	kv_update_modify_attribute (kv_store_t core, flash_task_node *sanitised_task)

变量
STATIC kv_active_state_machine_t *	g_current_state_machine = NULL
STATIC kv_key_filter_t	g_search_filter
STATIC kv_key_details_t	g_new_key_details
STATIC kv_key_handle_t	g_current_key
STATIC kv_page_handle_t	g_current_page
STATIC kv_store_t	g_current_store
STATIC kv_key_location	g_current_store_write_location
STATIC kv_page_location	g_defrag_page_location = NULL
STATIC const kv_state_machine_t	g_prepare_store_machine

宏定义说明

assert__

#define assert__

(

x

)

((void)0)

KV_WRITE_CHUNK_SIZE

#define KV_WRITE_CHUNK_SIZE   32

KV_WRITE_KEY_BUFFER_SIZE

#define KV_WRITE_KEY_BUFFER_SIZE   NV_KEY_DATA_CHUNK_LEN

函数说明

active_state_machine()

STATIC bool active_state_machine

(

void

)

begin_state_machine()

STATIC errcode_t begin_state_machine

(

const kv_state_machine_t *

machine

)

determine_flash_task_state_code()

STATIC uint32_t determine_flash_task_state_code

(

errcode_t

res

)

end_state_machine()

STATIC void end_state_machine

(

void

)

kv_create_write_buffer()

STATIC errcode_t kv_create_write_buffer	(	uint32_t	write_location,
		uint32_t	size
	)

kv_release_crypto()

STATIC void kv_release_crypto

(

void

)

kv_remove_source_buffer()

STATIC void kv_remove_source_buffer

(

void

)

kv_remove_write_buffer()

STATIC void kv_remove_write_buffer

(

void

)

kv_updata_backup_fail_process()

STATIC errcode_t kv_updata_backup_fail_process

(

uint32_t

back_maybe_need_process_location

)

kv_updata_backup_page_head_is_valid()

STATIC errcode_t kv_updata_backup_page_head_is_valid

(

const kv_page_header_t *

backup_head

)

kv_update_action_claim_crypto()

STATIC kv_update_event_t kv_update_action_claim_crypto

(

void

)

kv_update_action_copy_all_keys()

STATIC kv_update_event_t kv_update_action_copy_all_keys

(

void

)

kv_update_action_defrag_current_page()

STATIC kv_update_event_t kv_update_action_defrag_current_page

(

void

)

kv_update_action_erase_defrag_page()

STATIC kv_update_event_t kv_update_action_erase_defrag_page

(

void

)

kv_update_action_erase_old_keys()

STATIC kv_update_event_t kv_update_action_erase_old_keys

(

void

)

kv_update_action_find_defrag_page()

STATIC kv_update_event_t kv_update_action_find_defrag_page

(

void

)

kv_update_action_find_first_key()

STATIC kv_update_event_t kv_update_action_find_first_key

(

void

)

kv_update_action_find_next_key()

STATIC kv_update_event_t kv_update_action_find_next_key

(

void

)

kv_update_action_find_write_position()

STATIC kv_update_event_t kv_update_action_find_write_position

(

void

)

kv_update_action_prepare_copy_key()

STATIC kv_update_event_t kv_update_action_prepare_copy_key

(

void

)

kv_update_action_prepare_defrag_page()

STATIC kv_update_event_t kv_update_action_prepare_defrag_page

(

void

)

kv_update_action_prepare_delete_key()

STATIC kv_update_event_t kv_update_action_prepare_delete_key

(

void

)

kv_update_action_prepare_page_header()

STATIC kv_update_event_t kv_update_action_prepare_page_header

(

void

)

kv_update_action_prepare_store()

STATIC kv_update_event_t kv_update_action_prepare_store

(

void

)

kv_update_action_prepare_write_key()

STATIC kv_update_event_t kv_update_action_prepare_write_key

(

void

)

kv_update_action_prime_write_buffer()

STATIC kv_update_event_t kv_update_action_prime_write_buffer

(

void

)

kv_update_action_select_first_page()

STATIC kv_update_event_t kv_update_action_select_first_page

(

void

)

kv_update_action_select_next_page()

STATIC kv_update_event_t kv_update_action_select_next_page

(

void

)

kv_update_action_store_write_buffer()

STATIC kv_update_event_t kv_update_action_store_write_buffer

(

void

)

kv_update_action_update_nvmap_for_erase_key()

STATIC kv_update_event_t kv_update_action_update_nvmap_for_erase_key

(

void

)

kv_update_action_update_nvmap_for_new_key()

STATIC kv_update_event_t kv_update_action_update_nvmap_for_new_key

(

void

)

kv_update_action_update_nvregion_map()

STATIC kv_update_event_t kv_update_action_update_nvregion_map

(

void

)

kv_update_backup_init()

errcode_t kv_update_backup_init

(

void

)

kv_update_erase_key()

errcode_t kv_update_erase_key	(	kv_store_t	core,
		flash_task_node *	sanitised_tasks
	)

kv_update_hash_encrypt_chunk()

STATIC errcode_t kv_update_hash_encrypt_chunk	(	kv_managed_write_buffer_t *	write_buffer,
		const kv_managed_source_buffer_t *	source_buffer,
		uint32_t	chunk_dest,
		uint32_t	chunk_len
	)

kv_update_helper_check_for_key_updates()

STATIC kv_update_event_t kv_update_helper_check_for_key_updates

(

void

)

kv_update_helper_get_current_key()

STATIC errcode_t kv_update_helper_get_current_key	(	uint8_t **	old_kvalue,
		uint32_t *	kvalue_length
	)

kv_update_helper_prepare_source_buffers()

STATIC kv_update_event_t kv_update_helper_prepare_source_buffers

(

bool

release_key_data

)

kv_update_helper_prepare_write_buffer()

STATIC kv_update_event_t kv_update_helper_prepare_write_buffer

(

void

)

kv_update_helper_setup_key_data_source_buffer()

STATIC kv_update_event_t kv_update_helper_setup_key_data_source_buffer

(

bool

release_key_data

)

kv_update_helper_setup_key_hash_source_buffer()

STATIC kv_update_event_t kv_update_helper_setup_key_hash_source_buffer

(

void

)

kv_update_helper_setup_key_header_source_buffer()

STATIC kv_update_event_t kv_update_helper_setup_key_header_source_buffer

(

void

)

kv_update_init()

errcode_t kv_update_init

(

cores_t

core

)

kv_update_modify_attribute()

errcode_t kv_update_modify_attribute	(	kv_store_t	core,
		flash_task_node *	sanitised_task
	)

kv_update_source_buffer()

STATIC kv_managed_source_buffer_t * kv_update_source_buffer	(	uint8_t *	data,
		uint32_t	data_length
	)

kv_update_write_key()

errcode_t kv_update_write_key	(	kv_store_t	core,
		flash_task_node *	sanitised_task
	)

prime_next_chunk()

STATIC errcode_t prime_next_chunk

(

void

)

process_state_machine()

STATIC errcode_t process_state_machine

(

void

)

select_next_source_buffer()

STATIC errcode_t select_next_source_buffer

(

void

)

update_current_state()

STATIC void update_current_state

(

void

)

变量说明

g_current_key

STATIC kv_key_handle_t g_current_key

g_current_page

STATIC kv_page_handle_t g_current_page

g_current_state_machine

STATIC kv_active_state_machine_t* g_current_state_machine = NULL

g_current_store

STATIC kv_store_t g_current_store

g_current_store_write_location

STATIC kv_key_location g_current_store_write_location

g_defrag_page_location

STATIC kv_page_location g_defrag_page_location = NULL

g_new_key_details

STATIC kv_key_details_t g_new_key_details

g_prepare_store_machine

STATIC const kv_state_machine_t g_prepare_store_machine

初始值:

= {
    .initial_state     = STATE_FIND_WRITE_POS,
    .resume_state      = STATE_INVALID,
    .exit_event        = EVENT_STORE_READY,
    .transition_table  = g_prepare_store_transitions,
    .action_table      = g_prepare_store_actions,
    .write_buffer_size = 0
}

g_search_filter

STATIC kv_key_filter_t g_search_filter