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| author | Hui Tang <tanghui20@huawei.com> | 2021-04-10 17:47:01 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-04-16 21:16:35 +1000 |
| commit | 5bc3962c53c7062a711ed84cf97a15bef97ecf17 (patch) | |
| tree | bd4aec47995b92928bbb3602ef6bce390737b54c | |
| parent | c4433247d91f5e1fe2c8db6b09288d7a0808037c (diff) | |
| download | linux-5bc3962c53c7062a711ed84cf97a15bef97ecf17.tar.bz2 | |
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>
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_crypto.c | 8 |
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; } |