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authorHui Tang <tanghui20@huawei.com>2021-04-10 12:47:01 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2021-04-16 14:16:35 +0300
commit5bc3962c53c7062a711ed84cf97a15bef97ecf17 (patch)
treebd4aec47995b92928bbb3602ef6bce390737b54c /drivers/crypto
parentc4433247d91f5e1fe2c8db6b09288d7a0808037c (diff)
downloadlinux-5bc3962c53c7062a711ed84cf97a15bef97ecf17.tar.xz
crypto: hisilicon/hpre - add debug log
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@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/hisilicon/hpre/hpre_crypto.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index e45e6a10d7a8..a380087c83f7 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -321,14 +321,16 @@ 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);
@@ -343,6 +345,10 @@ 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;
}