Commit 7f77f5a4 authored by Antoine Ténart's avatar Antoine Ténart Committed by Herbert Xu

crypto: inside-secure - handle more result requests when counter is full

This patch modifies the result handling logic to continue handling
results when the completed requests counter is full and not showing the
actual number of requests to handle.
Suggested-by: default avatarOfer Heifetz <oferh@marvell.com>
Signed-off-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2313e9f7
...@@ -600,12 +600,15 @@ static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv ...@@ -600,12 +600,15 @@ static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv
{ {
struct safexcel_request *sreq; struct safexcel_request *sreq;
struct safexcel_context *ctx; struct safexcel_context *ctx;
int ret, i, nreq, ndesc = 0, tot_descs = 0, done; int ret, i, nreq, ndesc, tot_descs, done;
bool should_complete; bool should_complete;
handle_results:
tot_descs = 0;
nreq = readl(priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT); nreq = readl(priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT);
nreq >>= 24; nreq >>= EIP197_xDR_PROC_xD_PKT_OFFSET;
nreq &= GENMASK(6, 0); nreq &= EIP197_xDR_PROC_xD_PKT_MASK;
if (!nreq) if (!nreq)
goto requests_left; goto requests_left;
...@@ -642,6 +645,12 @@ static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv ...@@ -642,6 +645,12 @@ static inline void safexcel_handle_result_descriptor(struct safexcel_crypto_priv
priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT); priv->base + EIP197_HIA_RDR(ring) + EIP197_HIA_xDR_PROC_COUNT);
} }
/* If the number of requests overflowed the counter, try to proceed more
* requests.
*/
if (nreq == EIP197_xDR_PROC_xD_PKT_MASK)
goto handle_results;
requests_left: requests_left:
spin_lock_bh(&priv->ring[ring].egress_lock); spin_lock_bh(&priv->ring[ring].egress_lock);
......
...@@ -117,6 +117,8 @@ ...@@ -117,6 +117,8 @@
#define EIP197_xDR_PREP_CLR_COUNT BIT(31) #define EIP197_xDR_PREP_CLR_COUNT BIT(31)
/* EIP197_HIA_xDR_PROC_COUNT */ /* EIP197_HIA_xDR_PROC_COUNT */
#define EIP197_xDR_PROC_xD_PKT_OFFSET 24
#define EIP197_xDR_PROC_xD_PKT_MASK GENMASK(6, 0)
#define EIP197_xDR_PROC_xD_COUNT(n) ((n) << 2) #define EIP197_xDR_PROC_xD_COUNT(n) ((n) << 2)
#define EIP197_xDR_PROC_xD_PKT(n) ((n) << 24) #define EIP197_xDR_PROC_xD_PKT(n) ((n) << 24)
#define EIP197_xDR_PROC_CLR_COUNT BIT(31) #define EIP197_xDR_PROC_CLR_COUNT BIT(31)
......
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