When the received sqe is abnormal, the error message in the sqe written
back by the hardware is printed to help to analyze the abnormal causes.
Signed-off-by: Hui Tang <tanghui20@xxxxxxxxxx>
---
drivers/crypto/hisilicon/hpre/hpre_crypto.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 0adaf92..c8531c0 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -325,14 +325,16 @@ static void hpre_hw_data_clr_all(struct hpre_ctx *ctx,
static int hpre_alg_res_post_hf(struct hpre_ctx *ctx, struct hpre_sqe *sqe,
void **kreq)
{
+ struct device *dev = HPRE_DEV(ctx);
struct hpre_asym_request *req;
- unsigned int err, done;
+ unsigned int err, done, alg;
int id;
#define HPRE_NO_HW_ERR 0
#define HPRE_HW_TASK_DONE 3
#define HREE_HW_ERR_MASK 0x7ff
#define HREE_SQE_DONE_MASK 0x3
+#define HREE_ALG_TYPE_MASK 0x1f
id = (int)le16_to_cpu(sqe->tag);
req = ctx->req_list[id];
hpre_rm_req_from_ctx(req);
@@ -347,6 +349,10 @@ static int hpre_alg_res_post_hf(struct hpre_ctx *ctx, struct hpre_sqe *sqe,
if (likely(err == HPRE_NO_HW_ERR && done == HPRE_HW_TASK_DONE))
return 0;
+ alg = le32_to_cpu(sqe->dw0) & HREE_ALG_TYPE_MASK;
+ dev_err_ratelimited(dev, "alg[0x%x] error: done[0x%x], etype[0x%x]\n",
+ alg, done, err);
+
return -EINVAL;
}
--
2.8.1
