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Subject[PATCH v2 06/10] crypto: hisilicon/zip - add print for error branch
Date
Add print for some error branches.

Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
---
drivers/crypto/hisilicon/zip/zip_crypto.c | 53 +++++++++++++++++++++++--------
drivers/crypto/hisilicon/zip/zip_main.c | 8 +++--
2 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index c2ea849..e58baeb 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -146,7 +146,7 @@ static int hisi_zip_start_qp(struct hisi_qp *qp, struct hisi_zip_qp_ctx *ctx,

ret = hisi_qm_start_qp(qp, 0);
if (ret < 0) {
- dev_err(dev, "start qp failed!\n");
+ dev_err(dev, "failed to start qp (%d)!\n", ret);
return ret;
}

@@ -169,7 +169,7 @@ static int hisi_zip_ctx_init(struct hisi_zip_ctx *hisi_zip_ctx, u8 req_type, int

ret = zip_create_qps(qps, HZIP_CTX_Q_NUM, node);
if (ret) {
- pr_err("Can not create zip qps!\n");
+ pr_err("failed to create zip qps (%d)!\n", ret);
return -ENODEV;
}

@@ -380,19 +380,28 @@ static int hisi_zip_acomp_init(struct crypto_acomp *tfm)
{
const char *alg_name = crypto_tfm_alg_name(&tfm->base);
struct hisi_zip_ctx *ctx = crypto_tfm_ctx(&tfm->base);
+ struct device *dev;
int ret;

ret = hisi_zip_ctx_init(ctx, COMP_NAME_TO_TYPE(alg_name), tfm->base.node);
- if (ret)
+ if (ret) {
+ pr_err("failed to init ctx (%d)!\n", ret);
return ret;
+ }
+
+ dev = &ctx->qp_ctx[0].qp->qm->pdev->dev;

ret = hisi_zip_create_req_q(ctx);
- if (ret)
+ if (ret) {
+ dev_err(dev, "failed to create request queue (%d)!\n", ret);
goto err_ctx_exit;
+ }

ret = hisi_zip_create_sgl_pool(ctx);
- if (ret)
+ if (ret) {
+ dev_err(dev, "failed to create sgl pool (%d)!\n", ret);
goto err_release_req_q;
+ }

hisi_zip_set_acomp_cb(ctx, hisi_zip_acomp_cb);

@@ -422,8 +431,10 @@ static int add_comp_head(struct scatterlist *dst, u8 req_type)
int ret;

ret = sg_copy_from_buffer(dst, sg_nents(dst), head, head_size);
- if (ret != head_size)
+ if (ret != head_size) {
+ pr_err("the head size of buffer is wrong (%d)!\n", ret);
return -ENOMEM;
+ }

return head_size;
}
@@ -504,14 +515,19 @@ static int hisi_zip_do_work(struct hisi_zip_req *req,

req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->src, pool,
req->req_id << 1, &input);
- if (IS_ERR(req->hw_src))
+ if (IS_ERR(req->hw_src)) {
+ dev_err(dev, "failed to map the src buffer to hw sgl (%ld)!\n",
+ PTR_ERR(req->hw_src));
return PTR_ERR(req->hw_src);
+ }
req->dma_src = input;

req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->dst, pool,
(req->req_id << 1) + 1,
&output);
if (IS_ERR(req->hw_dst)) {
+ dev_err(dev, "failed to map the dst buffer to hw slg (%ld)!\n",
+ PTR_ERR(req->hw_dst));
ret = PTR_ERR(req->hw_dst);
goto err_unmap_input;
}
@@ -527,6 +543,7 @@ static int hisi_zip_do_work(struct hisi_zip_req *req,
ret = hisi_qp_send(qp, &zip_sqe);
if (ret < 0) {
atomic64_inc(&dfx->send_busy_cnt);
+ dev_dbg_ratelimited(dev, "failed to send request!\n");
goto err_unmap_output;
}

@@ -543,22 +560,28 @@ static int hisi_zip_acompress(struct acomp_req *acomp_req)
{
struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm);
struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_COMP];
+ struct device *dev = &qp_ctx->qp->qm->pdev->dev;
struct hisi_zip_req *req;
int head_size;
int ret;

/* let's output compression head now */
head_size = add_comp_head(acomp_req->dst, qp_ctx->qp->req_type);
- if (head_size < 0)
- return -ENOMEM;
+ if (head_size < 0) {
+ dev_err_ratelimited(dev, "failed to add comp head (%d)!\n",
+ head_size);
+ return head_size;
+ }

req = hisi_zip_create_req(acomp_req, qp_ctx, (size_t)head_size, true);
if (IS_ERR(req))
return PTR_ERR(req);

ret = hisi_zip_do_work(req, qp_ctx);
- if (ret != -EINPROGRESS)
+ if (ret != -EINPROGRESS) {
+ dev_info_ratelimited(dev, "failed to do compress (%d)!\n", ret);
hisi_zip_remove_req(qp_ctx, req);
+ }

return ret;
}
@@ -567,6 +590,7 @@ static int hisi_zip_adecompress(struct acomp_req *acomp_req)
{
struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm);
struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_DECOMP];
+ struct device *dev = &qp_ctx->qp->qm->pdev->dev;
struct hisi_zip_req *req;
size_t head_size;
int ret;
@@ -578,8 +602,11 @@ static int hisi_zip_adecompress(struct acomp_req *acomp_req)
return PTR_ERR(req);

ret = hisi_zip_do_work(req, qp_ctx);
- if (ret != -EINPROGRESS)
+ if (ret != -EINPROGRESS) {
+ dev_info_ratelimited(dev, "failed to do decompress (%d)!\n",
+ ret);
hisi_zip_remove_req(qp_ctx, req);
+ }

return ret;
}
@@ -618,13 +645,13 @@ int hisi_zip_register_to_crypto(void)

ret = crypto_register_acomp(&hisi_zip_acomp_zlib);
if (ret) {
- pr_err("Zlib acomp algorithm registration failed\n");
+ pr_err("failed to register to zlib (%d)!\n", ret);
return ret;
}

ret = crypto_register_acomp(&hisi_zip_acomp_gzip);
if (ret) {
- pr_err("Gzip acomp algorithm registration failed\n");
+ pr_err("failed to register to gzip (%d)!\n", ret);
crypto_unregister_acomp(&hisi_zip_acomp_zlib);
}

diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index dd2c326..dddb51d 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -805,18 +805,20 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)

ret = hisi_zip_debugfs_init(qm);
if (ret)
- dev_err(&pdev->dev, "Failed to init debugfs (%d)!\n", ret);
+ pci_err(pdev, "failed to init debugfs (%d)!\n", ret);

ret = hisi_qm_alg_register(qm, &zip_devices);
if (ret < 0) {
- pci_err(pdev, "Failed to register driver to crypto.\n");
+ pci_err(pdev, "failed to register driver to crypto!\n");
goto err_qm_stop;
}

if (qm->uacce) {
ret = uacce_register(qm->uacce);
- if (ret)
+ if (ret) {
+ pci_err(pdev, "failed to register uacce (%d)!\n", ret);
goto err_qm_alg_unregister;
+ }
}

if (qm->fun_type == QM_HW_PF && vfs_num > 0) {
--
2.7.4
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