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crypto: inside-secure - move request dequeueing into a workqueue

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This patch moves the request dequeueing into a workqueue to improve the
coalescing of interrupts when sending requests to the engine; as the
engine is capable of having one single interrupt for n requests sent.
Using a workqueue allows to send more request at once.

Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Ténart
2017-12-14 15:26:51 +01:00
committed by Herbert Xu
parent 5290ad6e9a
commit 8472e77810
4 changed files with 29 additions and 26 deletions
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12
drivers/crypto/inside-secure/safexcel_cipher.c
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@@ -358,8 +358,8 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv,
if (enq_ret != -EINPROGRESS)
*ret = enq_ret;
if (!priv->ring[ring].need_dequeue)
safexcel_dequeue(priv, ring);
queue_work(priv->ring[ring].workqueue,
&priv->ring[ring].work_data.work);
*should_complete = false;
@@ -448,8 +448,8 @@ static int safexcel_cipher_exit_inv(struct crypto_tfm *tfm)
crypto_enqueue_request(&priv->ring[ring].queue, &req->base);
spin_unlock_bh(&priv->ring[ring].queue_lock);
if (!priv->ring[ring].need_dequeue)
safexcel_dequeue(priv, ring);
queue_work(priv->ring[ring].workqueue,
&priv->ring[ring].work_data.work);
wait_for_completion_interruptible(&result.completion);
@@ -495,8 +495,8 @@ static int safexcel_aes(struct skcipher_request *req,
ret = crypto_enqueue_request(&priv->ring[ring].queue, &req->base);
spin_unlock_bh(&priv->ring[ring].queue_lock);
if (!priv->ring[ring].need_dequeue)
safexcel_dequeue(priv, ring);
queue_work(priv->ring[ring].workqueue,
&priv->ring[ring].work_data.work);
return ret;
}