diff options
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_cipher.c')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_cipher.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index e175d0bf69d8..9d292427a488 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -336,7 +336,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); do { rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { @@ -353,7 +352,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin } while (!rdesc->last_seg); safexcel_complete(priv, ring); - spin_unlock_bh(&priv->ring[ring].egress_lock); if (src == dst) { dma_unmap_sg(priv->dev, src, @@ -374,7 +372,6 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin } static int safexcel_send_req(struct crypto_async_request *base, int ring, - struct safexcel_request *request, struct safexcel_cipher_req *sreq, struct scatterlist *src, struct scatterlist *dst, unsigned int cryptlen, unsigned int assoclen, @@ -384,7 +381,7 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring, struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); struct safexcel_crypto_priv *priv = ctx->priv; struct safexcel_command_desc *cdesc; - struct safexcel_result_desc *rdesc; + struct safexcel_result_desc *rdesc, *first_rdesc; struct scatterlist *sg; unsigned int totlen = cryptlen + assoclen; int nr_src, nr_dst, n_cdesc = 0, n_rdesc = 0, queued = totlen; @@ -424,8 +421,6 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring, ctx->opad, ctx->state_sz); } - spin_lock_bh(&priv->ring[ring].egress_lock); - /* command descriptors */ for_each_sg(src, sg, nr_src, i) { int len = sg_dma_len(sg); @@ -472,12 +467,12 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring, ret = PTR_ERR(rdesc); goto rdesc_rollback; } + if (first) + first_rdesc = rdesc; n_rdesc++; } - spin_unlock_bh(&priv->ring[ring].egress_lock); - - request->req = base; + safexcel_rdr_req_set(priv, ring, first_rdesc, base); *commands = n_cdesc; *results = n_rdesc; @@ -490,8 +485,6 @@ cdesc_rollback: for (i = 0; i < n_cdesc; i++) safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr); - spin_unlock_bh(&priv->ring[ring].egress_lock); - if (src == dst) { dma_unmap_sg(priv->dev, src, sg_nents_for_len(src, totlen), @@ -519,7 +512,6 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, *ret = 0; - spin_lock_bh(&priv->ring[ring].egress_lock); do { rdesc = safexcel_ring_next_rptr(priv, &priv->ring[ring].rdr); if (IS_ERR(rdesc)) { @@ -536,7 +528,6 @@ static int safexcel_handle_inv_result(struct safexcel_crypto_priv *priv, } while (!rdesc->last_seg); safexcel_complete(priv, ring); - spin_unlock_bh(&priv->ring[ring].egress_lock); if (ctx->base.exit_inv) { dma_pool_free(priv->context_pool, ctx->base.ctxr, @@ -612,15 +603,13 @@ static int safexcel_aead_handle_result(struct safexcel_crypto_priv *priv, } static int safexcel_cipher_send_inv(struct crypto_async_request *base, - int ring, struct safexcel_request *request, - int *commands, int *results) + int ring, int *commands, int *results) { struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); struct safexcel_crypto_priv *priv = ctx->priv; int ret; - ret = safexcel_invalidate_cache(base, priv, ctx->base.ctxr_dma, ring, - request); + ret = safexcel_invalidate_cache(base, priv, ctx->base.ctxr_dma, ring); if (unlikely(ret)) return ret; @@ -631,7 +620,6 @@ static int safexcel_cipher_send_inv(struct crypto_async_request *base, } static int safexcel_skcipher_send(struct crypto_async_request *async, int ring, - struct safexcel_request *request, int *commands, int *results) { struct skcipher_request *req = skcipher_request_cast(async); @@ -643,18 +631,16 @@ static int safexcel_skcipher_send(struct crypto_async_request *async, int ring, BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); if (sreq->needs_inv) - ret = safexcel_cipher_send_inv(async, ring, request, commands, - results); + ret = safexcel_cipher_send_inv(async, ring, commands, results); else - ret = safexcel_send_req(async, ring, request, sreq, req->src, + ret = safexcel_send_req(async, ring, sreq, req->src, req->dst, req->cryptlen, 0, 0, req->iv, commands, results); return ret; } static int safexcel_aead_send(struct crypto_async_request *async, int ring, - struct safexcel_request *request, int *commands, - int *results) + int *commands, int *results) { struct aead_request *req = aead_request_cast(async); struct crypto_aead *tfm = crypto_aead_reqtfm(req); @@ -666,11 +652,10 @@ static int safexcel_aead_send(struct crypto_async_request *async, int ring, BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && sreq->needs_inv); if (sreq->needs_inv) - ret = safexcel_cipher_send_inv(async, ring, request, commands, - results); + ret = safexcel_cipher_send_inv(async, ring, commands, results); else - ret = safexcel_send_req(async, ring, request, sreq, req->src, - req->dst, req->cryptlen, req->assoclen, + ret = safexcel_send_req(async, ring, sreq, req->src, req->dst, + req->cryptlen, req->assoclen, crypto_aead_authsize(tfm), req->iv, commands, results); return ret; |