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crypto: inside-secure - move hash result dma mapping to request

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In heavy traffic the DMA mapping is overwritten by multiple requests as
the DMA address is stored in a global context. This patch moves this
information to the per-hash request context so that it can't be
overwritten.

Fixes: 1b44c5a60c ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
[Antoine: rebased the patch, small fixes, commit message.]
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ofer Heifetz
2018-02-26 14:45:10 +01:00
committed by Herbert Xu
parent 23ea8b63a1
commit b859202722
3 changed files with 14 additions and 14 deletions
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7
drivers/crypto/inside-secure/safexcel.c
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@@ -538,15 +538,10 @@ finalize:
}
void safexcel_free_context(struct safexcel_crypto_priv *priv,
struct crypto_async_request *req,
int result_sz)
struct crypto_async_request *req)
{
struct safexcel_context *ctx = crypto_tfm_ctx(req->tfm);
if (ctx->result_dma)
dma_unmap_single(priv->dev, ctx->result_dma, result_sz,
DMA_FROM_DEVICE);
if (ctx->cache) {
dma_unmap_single(priv->dev, ctx->cache_dma, ctx->cache_sz,
DMA_TO_DEVICE);