2020-09-19 03:16:02

by Meng Yu

[permalink] [raw]
Subject: [PATCH v2 0/3] crypto: hisilicon/hpre - misc clean up and fixes

Adjust some tiny coding problems and fix a bug of DH algorithm.

Changes since v1:
Remove 'u64' cast in 'cpu_to_le64';

Meng Yu (3):
crypto: hisilicon/hpre - remove useless code
crypto: hisilicon/hpre - adjust some coding style
crypto: hisilicon/hpre - fix a bug in dh algorithm

drivers/crypto/hisilicon/hpre/hpre.h | 1 -
drivers/crypto/hisilicon/hpre/hpre_crypto.c | 23 +++++++++++------------
2 files changed, 11 insertions(+), 13 deletions(-)

--
2.8.1


2020-09-19 03:16:02

by Meng Yu

[permalink] [raw]
Subject: [PATCH v2 3/3] crypto: hisilicon/hpre - fix a bug in dh algorithm

From: Meng Yu <[email protected]>

Using 'g' not equal to 2 in dh algorithm may cause an error like this:

arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received:
dh: Party A: generate public key test failed. err -22
11375.065672] dh alg: dh: test failed on vector 1, err=-22
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000080
hpre-dh self test failed
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000
arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received:
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000083
arm-smmu-v3 arm-smmu-v3.1.auto: 0x00000000000000c0
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000
arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received:
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000081
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000040
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000
arm-smmu-v3 arm-smmu-v3.1.auto: event 0x10 received:
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000790000000010
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000120800000082
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000080
arm-smmu-v3 arm-smmu-v3.1.auto: 0x0000000000000000
hisi_hpre 0000:79:00.0: dat_rd_poison_int_set [error status=0x8] found
hisi_hpre 0000:79:00.0: ooo_rdrsp_err_int_set [error status=0xfc00] found
hisi_hpre 0000:79:00.0: Controller resetting...
hisi_hpre 0000:79:00.0: Controller reset complete
{2}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 0
{2}[Hardware Error]: event severity: recoverable
{2}[Hardware Error]: Error 0, type: recoverable
{2}[Hardware Error]: section type: unknown, c8b328a8-9917-4af6-9a13-2e08ab2e7586
{2}[Hardware Error]: section length: 0x4c

as we missed initiating 'msg->in'.

Fixes: c8b4b477079d("crypto: hisilicon - add HiSilicon HPRE accelerator")
Signed-off-by: Meng Yu <[email protected]>
Reviewed-by: Zaibo Xu <[email protected]>
---
drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 8bdaca0..a87f990 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -528,6 +528,8 @@ static int hpre_dh_compute_value(struct kpp_request *req)
ret = hpre_hw_data_init(hpre_req, req->src, req->src_len, 1, 1);
if (unlikely(ret))
goto clear_all;
+ } else {
+ msg->in = cpu_to_le64(ctx->dh.dma_g);
}

ret = hpre_hw_data_init(hpre_req, req->dst, req->dst_len, 0, 1);
--
2.8.1

2020-09-19 03:16:21

by Meng Yu

[permalink] [raw]
Subject: [PATCH v2 2/3] crypto: hisilicon/hpre - adjust some coding style

From: Meng Yu <[email protected]>

Adjust some coding style to make code aligned.

Signed-off-by: Meng Yu <[email protected]>
Reviewed-by: Zaibo Xu <[email protected]>
---
drivers/crypto/hisilicon/hpre/hpre_crypto.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 678a5ee..8bdaca0 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -188,8 +188,7 @@ static int hpre_get_data_dma_addr(struct hpre_asym_request *hpre_req,
hpre_req->dst = NULL;
dma_dir = DMA_FROM_DEVICE;
}
- *tmp = dma_map_single(dev, sg_virt(data),
- len, dma_dir);
+ *tmp = dma_map_single(dev, sg_virt(data), len, dma_dir);
if (unlikely(dma_mapping_error(dev, *tmp))) {
dev_err(dev, "dma map data err!\n");
return -ENOMEM;
@@ -239,8 +238,8 @@ static int hpre_hw_data_init(struct hpre_asym_request *hpre_req,
((is_dh && !is_src) || !is_dh))
ret = hpre_get_data_dma_addr(hpre_req, data, len, is_src, &tmp);
else
- ret = hpre_prepare_dma_buf(hpre_req, data, len,
- is_src, &tmp);
+ ret = hpre_prepare_dma_buf(hpre_req, data, len, is_src, &tmp);
+
if (unlikely(ret))
return ret;

@@ -267,11 +266,9 @@ static void hpre_hw_data_clr_all(struct hpre_ctx *ctx,

if (src) {
if (req->src)
- dma_free_coherent(dev, ctx->key_sz,
- req->src, tmp);
+ dma_free_coherent(dev, ctx->key_sz, req->src, tmp);
else
- dma_unmap_single(dev, tmp,
- ctx->key_sz, DMA_TO_DEVICE);
+ dma_unmap_single(dev, tmp, ctx->key_sz, DMA_TO_DEVICE);
}

tmp = le64_to_cpu(sqe->out);
--
2.8.1

2020-09-19 03:18:54

by Meng Yu

[permalink] [raw]
Subject: [PATCH v2 1/3] crypto: hisilicon/hpre - remove useless code

From: Meng Yu <[email protected]>

1. Remove unused member 'debug_root' in 'struct hpre_debug';
2. The u64 cast is redundant in 'cpu_to_le64'.

Fixes: 848974151618("crypto: hisilicon - Add debugfs for HPRE")
Fixes: dadbe4c11753("crypto: hisilicon/hpre - update debugfs ...")
Signed-off-by: Meng Yu <[email protected]>
Reviewed-by: Zaibo Xu <[email protected]>
---
drivers/crypto/hisilicon/hpre/hpre.h | 1 -
drivers/crypto/hisilicon/hpre/hpre_crypto.c | 8 ++++----
2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre.h b/drivers/crypto/hisilicon/hpre/hpre.h
index ed730d1..f69252b 100644
--- a/drivers/crypto/hisilicon/hpre/hpre.h
+++ b/drivers/crypto/hisilicon/hpre/hpre.h
@@ -56,7 +56,6 @@ struct hpre_dfx {
* Just relevant for PF.
*/
struct hpre_debug {
- struct dentry *debug_root;
struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
};
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index d685992..678a5ee 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -474,7 +474,7 @@ static int hpre_msg_request_set(struct hpre_ctx *ctx, void *req, bool is_rsa)
h_req->areq.dh = kreq;
msg = &h_req->req;
memset(msg, 0, sizeof(*msg));
- msg->key = cpu_to_le64((u64)ctx->dh.dma_xa_p);
+ msg->key = cpu_to_le64(ctx->dh.dma_xa_p);
}

msg->dw0 |= cpu_to_le32(0x1 << HPRE_SQE_DONE_SHIFT);
@@ -740,7 +740,7 @@ static int hpre_rsa_enc(struct akcipher_request *req)
return ret;

msg->dw0 |= cpu_to_le32(HPRE_ALG_NC_NCRT);
- msg->key = cpu_to_le64((u64)ctx->rsa.dma_pubkey);
+ msg->key = cpu_to_le64(ctx->rsa.dma_pubkey);

ret = hpre_hw_data_init(hpre_req, req->src, req->src_len, 1, 0);
if (unlikely(ret))
@@ -788,11 +788,11 @@ static int hpre_rsa_dec(struct akcipher_request *req)
return ret;

if (ctx->crt_g2_mode) {
- msg->key = cpu_to_le64((u64)ctx->rsa.dma_crt_prikey);
+ msg->key = cpu_to_le64(ctx->rsa.dma_crt_prikey);
msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) |
HPRE_ALG_NC_CRT);
} else {
- msg->key = cpu_to_le64((u64)ctx->rsa.dma_prikey);
+ msg->key = cpu_to_le64(ctx->rsa.dma_prikey);
msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) |
HPRE_ALG_NC_NCRT);
}
--
2.8.1

2020-09-25 08:18:34

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH v2 0/3] crypto: hisilicon/hpre - misc clean up and fixes

On Sat, Sep 19, 2020 at 11:13:49AM +0800, yumeng 00484669 wrote:
> Adjust some tiny coding problems and fix a bug of DH algorithm.
>
> Changes since v1:
> Remove 'u64' cast in 'cpu_to_le64';
>
> Meng Yu (3):
> crypto: hisilicon/hpre - remove useless code
> crypto: hisilicon/hpre - adjust some coding style
> crypto: hisilicon/hpre - fix a bug in dh algorithm
>
> drivers/crypto/hisilicon/hpre/hpre.h | 1 -
> drivers/crypto/hisilicon/hpre/hpre_crypto.c | 23 +++++++++++------------
> 2 files changed, 11 insertions(+), 13 deletions(-)

All applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt