Commit 5bc3962c authored by Hui Tang's avatar Hui Tang Committed by Herbert Xu
Browse files

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: default avatarHui Tang <tanghui20@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c4433247

drivers/crypto/hisilicon/hpre/hpre_crypto.c

+7 −1
Original line number Diff line number Diff line
@@ -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;

}