linux-master/crypto/crypto_engine.c

65  * crypto_pump_requests - dequeue one request from engine queue to process
69  * This function checks if there is any request in the engine queue that
95 	/* Check if the engine queue is idle */
96 	if (!crypto_queue_len(&engine->queue) || !engine->running) {
121 	/* Get the fist request from the engine queue to handle */
122 	backlog = crypto_get_backlog(&engine->queue);
123 	async_req = crypto_dequeue_request(&engine->queue);
166 		 * If hardware queue is full (-ENOSPC), requeue request
173 				"Failed to do one request from queue: %d\n",
180 		 * back in front of crypto-engine queue, to keep the order
183 		crypto_enqueue_request_head(&engine->queue, async_req);
231  * crypto_transfer_request - transfer the new request into the engine queue
233  * @req: the request need to be listed into the engine queue
234  * @need_pump: indicates whether queue the pump of request to kthread_work
250 	ret = crypto_enqueue_request(&engine->queue, req);
261  * into the engine queue
263  * @req: the request need to be listed into the engine queue
273  * to list into the engine queue
275  * @req: the request need to be listed into the engine queue
286  * to list into the engine queue
288  * @req: the request need to be listed into the engine queue
299  * to list into the engine queue
301  * @req: the request need to be listed into the engine queue
312  * into the engine queue
314  * @req: the request need to be listed into the engine queue
325  * to list into the engine queue
327  * @req: the request need to be listed into the engine queue
446 	 * If the engine queue is not empty or the engine is on busy state,
447 	 * we need to wait for a while to pump the requests of engine queue.
449 	while ((crypto_queue_len(&engine->queue) || engine->busy) && limit--) {
455 	if (crypto_queue_len(&engine->queue) || engine->busy)
472  * crypto-engine queue.
481  * @rt: whether this queue is set to run as a realtime task
482  * @qlen: maximum size of the crypto-engine queue
517 	crypto_init_queue(&engine->queue, qlen);
540  * @rt: whether this queue is set to run as a realtime task