aes_internal.c File Reference

Functions
static void	__pi_aes_null_handler (void *arg)
static void	__pi_aes_event_handler (void *arg)
static int32_t	__pi_aes_conf_apply (struct aes_itf_data_s *itf_data)
static void	__pi_aes_crypt_start (struct aes_itf_data_s *itf_data)
static void	__pi_aes_event_handler_internal (struct aes_itf_data_s *itf_data)
void	__pi_aes_stop_fifo_mode (struct aes_config_data_s *conf_data)
	stop the fifo mode and resume normal mode More...
void	__pi_aes_conf_init (struct pi_aes_conf *conf)
	Init aes configuration structure. More...
int32_t	__pi_aes_open (struct pi_aes_conf *conf, struct aes_config_data_s **device_data)
	Open aes device. More...
void	__pi_aes_close (struct aes_config_data_s *conf_data)
	Close aes device. More...
int32_t	__pi_aes_crypt_async (struct aes_config_data_s *conf_data, uint8_t is_encrypt, void *src, void *dst, uint16_t len, pi_task_t *task)
	launch an encrypt/decrypt operation More...

Variables
static struct aes_itf_data_s *	g_aes_itf_data [UDMA_NB_AES]

Function Documentation

void __pi_aes_close

(

struct aes_config_data_s *

conf_data

)

Parameters

conf_data

Device data

References AES_TRACE, aes_itf_data_s::device_id, hal_soc_eu_clear_fc_mask(), hal_udma_core_lin_get(), hal_udma_core_lin_reset(), hal_udma_ctrl_cg_enable(), hal_udma_ctrl_reset_enable(), aes_config_data_s::itf_data, aes_itf_data_s::latest_conf, aes_itf_data_s::nb_open, pi_data_free, pi_fc_l1_free(), pi_udma_core_lin_free(), aes_itf_data_s::rx_chan_id, SOC_EVENT_UDMA_CHAN_LIN, aes_itf_data_s::tx_chan_id, and UDMA_AES_ID.

Referenced by pi_aes_close().

static int32_t __pi_aes_conf_apply ( struct aes_itf_data_s *  itf_data )

static

References AES_TRACE, pi_task_t::data, aes_itf_data_s::device_id, aes_itf_data_s::end_task, aes_config_data_s::iv, aes_config_data_s::key, aes_config_data_s::key_len, aes_itf_data_s::latest_conf, aes_config_data_s::mode, aes_itf_data_s::rx_chan_id, aes_itf_data_s::tx_chan_id, udma_aes, UDMA_AES_DEST_RX_DEST, udma_aes_dest_set(), UDMA_AES_DEST_TX_DEST, udma_aes_iv0_0_set(), udma_aes_iv0_1_set(), udma_aes_iv0_2_set(), udma_aes_iv0_3_set(), udma_aes_key0_0_set(), udma_aes_key0_1_set(), udma_aes_key0_2_set(), udma_aes_key0_3_set(), udma_aes_key0_4_set(), udma_aes_key0_5_set(), udma_aes_key0_6_set(), udma_aes_key0_7_set(), UDMA_AES_SETUP_BLOCK_RST, UDMA_AES_SETUP_ECB_CBC, UDMA_AES_SETUP_ENC_DEC, UDMA_AES_SETUP_KEY_INIT, udma_aes_setup_key_init_get(), UDMA_AES_SETUP_KEY_TYPE, and udma_aes_setup_set().

Referenced by __pi_aes_crypt_start().

void __pi_aes_conf_init

(

struct pi_aes_conf *

conf

)

Parameters

conf	Pointer to aes conf.

Referenced by pi_aes_conf_init().

int32_t __pi_aes_crypt_async	(	struct aes_config_data_s *	conf_data,
		uint8_t	is_encrypt,
		void *	src,
		void *	dst,
		uint16_t	len,
		pi_task_t *	task
	)

Parameters

conf_data	Pointer to driver data.
is_encrypt	if flag is set, then operation is an encryption else it is a decryption.
src	Source data
dst	Destination data
len	Data length
task	Pointer to struct pi_task.

References __aes_drv_fifo_enqueue(), __pi_aes_crypt_start(), AES_TRACE, pi_task_t::data, disable_irq(), aes_itf_data_s::end_task, aes_config_data_s::itf_data, and restore_irq().

Referenced by pi_aes_decrypt_async(), and pi_aes_encrypt_async().

static void __pi_aes_crypt_start ( struct aes_itf_data_s *  itf_data )

static

References __pi_aes_conf_apply(), AES_TRACE, pi_task_t::data, aes_itf_data_s::device_id, aes_itf_data_s::end_task, hal_udma_core_lin_enqueue(), hal_udma_core_lin_get(), udma_aes, udma_aes_dest_rx_dest_get(), udma_aes_dest_rx_dest_set(), udma_aes_dest_tx_dest_get(), udma_aes_dest_tx_dest_set(), UDMA_CHAN_FIFO_ID, and UDMA_NB_CHAN_FIFO.

Referenced by __pi_aes_crypt_async(), and __pi_aes_event_handler_internal().

static void __pi_aes_event_handler ( void *  arg )

static

References __pi_aes_event_handler_internal().

Referenced by __pi_aes_open().

static void __pi_aes_event_handler_internal ( struct aes_itf_data_s *  itf_data )

inlinestatic

References __aes_drv_fifo_pop(), __pi_aes_crypt_start(), AES_TRACE, aes_itf_data_s::end_task, pi_task_t::id, pi_task_release(), pmsis_event_get_default_scheduler(), and pmsis_event_push().

Referenced by __pi_aes_event_handler(), and __pi_aes_stop_fifo_mode().

static void __pi_aes_null_handler ( void *  arg )

static

Referenced by __pi_aes_open().

int32_t __pi_aes_open	(	struct pi_aes_conf *	conf,
		struct aes_config_data_s **	device_data
	)

Parameters

conf	Pointer to aes conf.
device_data	Pointer to device data.

Return values

0	Operation is successful.
ERRNO	Error code.

References __pi_aes_event_handler(), __pi_aes_null_handler(), AES_TRACE, AES_TRACE_ERR, aes_itf_data_s::device_id, aes_itf_data_s::end_task, aes_itf_data_s::fifo_head, aes_itf_data_s::fifo_tail, hal_soc_eu_set_fc_mask(), hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_disable(), aes_itf_data_s::latest_conf, aes_itf_data_s::nb_open, pi_data_malloc, pi_fc_l1_malloc(), pi_udma_core_lin_alloc(), aes_itf_data_s::rx_chan_id, SOC_EVENT_UDMA_CHAN_LIN, aes_itf_data_s::tx_chan_id, and UDMA_AES_ID.

Referenced by pi_aes_open().

void __pi_aes_stop_fifo_mode

(

struct aes_config_data_s *

conf_data

)

Parameters

conf_data

Pointer to driver data.

References __pi_aes_event_handler_internal(), and aes_config_data_s::itf_data.

Referenced by pi_aes_ioctl().

Variable Documentation

struct aes_itf_data_s* g_aes_itf_data[UDMA_NB_AES]

static