diff mbox

[RFC,4/4] crypto: stm32: convert to the new crypto engine API

Message ID 20171129084121.9385-5-clabbe.montjoie@gmail.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show

Commit Message

Corentin Labbe Nov. 29, 2017, 8:41 a.m. UTC
This patch convert the driver to the new crypto engine API.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
---
 drivers/crypto/stm32/stm32-hash.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

Comments

Fabien DESSENNE Dec. 6, 2017, 11:03 a.m. UTC | #1
Hi,


On 29/11/17 09:41, Corentin Labbe wrote:
> This patch convert the driver to the new crypto engine API.

>

> Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>


Tested-by: Fabien Dessenne <fabien.dessenne@st.com>


> ---

>   drivers/crypto/stm32/stm32-hash.c | 22 +++++++++++++++-------

>   1 file changed, 15 insertions(+), 7 deletions(-)

>

> diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c

> index 4ca4a264a833..e3f9f7b04ce2 100644

> --- a/drivers/crypto/stm32/stm32-hash.c

> +++ b/drivers/crypto/stm32/stm32-hash.c

> @@ -122,6 +122,7 @@ enum stm32_hash_data_format {

>   #define HASH_DMA_THRESHOLD		50

>   

>   struct stm32_hash_ctx {

> +	struct crypto_engine_reqctx enginectx;

>   	struct stm32_hash_dev	*hdev;

>   	unsigned long		flags;

>   

> @@ -811,7 +812,7 @@ static void stm32_hash_finish_req(struct ahash_request *req, int err)

>   		rctx->flags |= HASH_FLAGS_ERRORS;

>   	}

>   

> -	crypto_finalize_hash_request(hdev->engine, req, err);

> +	crypto_finalize_request(hdev->engine, &req->base, err);

>   }

>   

>   static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,

> @@ -828,15 +829,21 @@ static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,

>   	return 0;

>   }

>   

> +static int stm32_hash_one_request(struct crypto_engine *engine,

> +				  struct crypto_async_request *areq);

> +static int stm32_hash_prepare_req(struct crypto_engine *engine,

> +				  struct crypto_async_request *areq);

> +

>   static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev,

>   				   struct ahash_request *req)

>   {

> -	return crypto_transfer_hash_request_to_engine(hdev->engine, req);

> +	return crypto_transfer_request_to_engine(hdev->engine, &req->base);

>   }

>   

>   static int stm32_hash_prepare_req(struct crypto_engine *engine,

> -				  struct ahash_request *req)

> +				  struct crypto_async_request *areq)

>   {

> +	struct ahash_request *req = ahash_request_cast(areq);

>   	struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));

>   	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);

>   	struct stm32_hash_request_ctx *rctx;

> @@ -855,8 +862,9 @@ static int stm32_hash_prepare_req(struct crypto_engine *engine,

>   }

>   

>   static int stm32_hash_one_request(struct crypto_engine *engine,

> -				  struct ahash_request *req)

> +				  struct crypto_async_request *areq)

>   {

> +	struct ahash_request *req = ahash_request_cast(areq);

>   	struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));

>   	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);

>   	struct stm32_hash_request_ctx *rctx;

> @@ -1033,6 +1041,9 @@ static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm,

>   	if (algs_hmac_name)

>   		ctx->flags |= HASH_FLAGS_HMAC;

>   

> +	ctx->enginectx.op.do_one_request = stm32_hash_one_request;

> +	ctx->enginectx.op.prepare_request = stm32_hash_prepare_req;

> +	ctx->enginectx.op.unprepare_request = NULL;

>   	return 0;

>   }

>   

> @@ -1493,9 +1504,6 @@ static int stm32_hash_probe(struct platform_device *pdev)

>   		goto err_engine;

>   	}

>   

> -	hdev->engine->prepare_hash_request = stm32_hash_prepare_req;

> -	hdev->engine->hash_one_request = stm32_hash_one_request;

> -

>   	ret = crypto_engine_start(hdev->engine);

>   	if (ret)

>   		goto err_engine_start;
diff mbox

Patch

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 4ca4a264a833..e3f9f7b04ce2 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -122,6 +122,7 @@  enum stm32_hash_data_format {
 #define HASH_DMA_THRESHOLD		50
 
 struct stm32_hash_ctx {
+	struct crypto_engine_reqctx enginectx;
 	struct stm32_hash_dev	*hdev;
 	unsigned long		flags;
 
@@ -811,7 +812,7 @@  static void stm32_hash_finish_req(struct ahash_request *req, int err)
 		rctx->flags |= HASH_FLAGS_ERRORS;
 	}
 
-	crypto_finalize_hash_request(hdev->engine, req, err);
+	crypto_finalize_request(hdev->engine, &req->base, err);
 }
 
 static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,
@@ -828,15 +829,21 @@  static int stm32_hash_hw_init(struct stm32_hash_dev *hdev,
 	return 0;
 }
 
+static int stm32_hash_one_request(struct crypto_engine *engine,
+				  struct crypto_async_request *areq);
+static int stm32_hash_prepare_req(struct crypto_engine *engine,
+				  struct crypto_async_request *areq);
+
 static int stm32_hash_handle_queue(struct stm32_hash_dev *hdev,
 				   struct ahash_request *req)
 {
-	return crypto_transfer_hash_request_to_engine(hdev->engine, req);
+	return crypto_transfer_request_to_engine(hdev->engine, &req->base);
 }
 
 static int stm32_hash_prepare_req(struct crypto_engine *engine,
-				  struct ahash_request *req)
+				  struct crypto_async_request *areq)
 {
+	struct ahash_request *req = ahash_request_cast(areq);
 	struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
 	struct stm32_hash_request_ctx *rctx;
@@ -855,8 +862,9 @@  static int stm32_hash_prepare_req(struct crypto_engine *engine,
 }
 
 static int stm32_hash_one_request(struct crypto_engine *engine,
-				  struct ahash_request *req)
+				  struct crypto_async_request *areq)
 {
+	struct ahash_request *req = ahash_request_cast(areq);
 	struct stm32_hash_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
 	struct stm32_hash_dev *hdev = stm32_hash_find_dev(ctx);
 	struct stm32_hash_request_ctx *rctx;
@@ -1033,6 +1041,9 @@  static int stm32_hash_cra_init_algs(struct crypto_tfm *tfm,
 	if (algs_hmac_name)
 		ctx->flags |= HASH_FLAGS_HMAC;
 
+	ctx->enginectx.op.do_one_request = stm32_hash_one_request;
+	ctx->enginectx.op.prepare_request = stm32_hash_prepare_req;
+	ctx->enginectx.op.unprepare_request = NULL;
 	return 0;
 }
 
@@ -1493,9 +1504,6 @@  static int stm32_hash_probe(struct platform_device *pdev)
 		goto err_engine;
 	}
 
-	hdev->engine->prepare_hash_request = stm32_hash_prepare_req;
-	hdev->engine->hash_one_request = stm32_hash_one_request;
-
 	ret = crypto_engine_start(hdev->engine);
 	if (ret)
 		goto err_engine_start;