Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c21c8b89 authored by Corentin LABBE's avatar Corentin LABBE Committed by Herbert Xu
Browse files

crypto: omap - convert to new crypto engine API



This patch convert the driver to the new crypto engine API.

Signed-off-by: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 218d1cc1
Loading
Loading
Loading
Loading
+15 −6
Original line number Original line Diff line number Diff line
@@ -388,7 +388,7 @@ static void omap_aes_finish_req(struct omap_aes_dev *dd, int err)


	pr_debug("err: %d\n", err);
	pr_debug("err: %d\n", err);


	crypto_finalize_cipher_request(dd->engine, req, err);
	crypto_finalize_ablkcipher_request(dd->engine, req, err);


	pm_runtime_mark_last_busy(dd->dev);
	pm_runtime_mark_last_busy(dd->dev);
	pm_runtime_put_autosuspend(dd->dev);
	pm_runtime_put_autosuspend(dd->dev);
@@ -408,14 +408,15 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd,
				 struct ablkcipher_request *req)
				 struct ablkcipher_request *req)
{
{
	if (req)
	if (req)
		return crypto_transfer_cipher_request_to_engine(dd->engine, req);
		return crypto_transfer_ablkcipher_request_to_engine(dd->engine, req);


	return 0;
	return 0;
}
}


static int omap_aes_prepare_req(struct crypto_engine *engine,
static int omap_aes_prepare_req(struct crypto_engine *engine,
				struct ablkcipher_request *req)
				void *areq)
{
{
	struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
	struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx(
	struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx(
			crypto_ablkcipher_reqtfm(req));
			crypto_ablkcipher_reqtfm(req));
	struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
	struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
@@ -468,8 +469,9 @@ static int omap_aes_prepare_req(struct crypto_engine *engine,
}
}


static int omap_aes_crypt_req(struct crypto_engine *engine,
static int omap_aes_crypt_req(struct crypto_engine *engine,
			      struct ablkcipher_request *req)
			      void *areq)
{
{
	struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
	struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
	struct omap_aes_reqctx *rctx = ablkcipher_request_ctx(req);
	struct omap_aes_dev *dd = rctx->dd;
	struct omap_aes_dev *dd = rctx->dd;


@@ -601,6 +603,11 @@ static int omap_aes_ctr_decrypt(struct ablkcipher_request *req)
	return omap_aes_crypt(req, FLAGS_CTR);
	return omap_aes_crypt(req, FLAGS_CTR);
}
}


static int omap_aes_prepare_req(struct crypto_engine *engine,
				void *req);
static int omap_aes_crypt_req(struct crypto_engine *engine,
			      void *req);

static int omap_aes_cra_init(struct crypto_tfm *tfm)
static int omap_aes_cra_init(struct crypto_tfm *tfm)
{
{
	const char *name = crypto_tfm_alg_name(tfm);
	const char *name = crypto_tfm_alg_name(tfm);
@@ -616,6 +623,10 @@ static int omap_aes_cra_init(struct crypto_tfm *tfm)


	tfm->crt_ablkcipher.reqsize = sizeof(struct omap_aes_reqctx);
	tfm->crt_ablkcipher.reqsize = sizeof(struct omap_aes_reqctx);


	ctx->enginectx.op.prepare_request = omap_aes_prepare_req;
	ctx->enginectx.op.unprepare_request = NULL;
	ctx->enginectx.op.do_one_request = omap_aes_crypt_req;

	return 0;
	return 0;
}
}


@@ -1119,8 +1130,6 @@ static int omap_aes_probe(struct platform_device *pdev)
		goto err_engine;
		goto err_engine;
	}
	}


	dd->engine->prepare_cipher_request = omap_aes_prepare_req;
	dd->engine->cipher_one_request = omap_aes_crypt_req;
	err = crypto_engine_start(dd->engine);
	err = crypto_engine_start(dd->engine);
	if (err)
	if (err)
		goto err_engine;
		goto err_engine;
+3 −0
Original line number Original line Diff line number Diff line
@@ -13,6 +13,8 @@
#ifndef __OMAP_AES_H__
#ifndef __OMAP_AES_H__
#define __OMAP_AES_H__
#define __OMAP_AES_H__


#include <crypto/engine.h>

#define DST_MAXBURST			4
#define DST_MAXBURST			4
#define DMA_MIN				(DST_MAXBURST * sizeof(u32))
#define DMA_MIN				(DST_MAXBURST * sizeof(u32))


@@ -95,6 +97,7 @@ struct omap_aes_gcm_result {
};
};


struct omap_aes_ctx {
struct omap_aes_ctx {
	struct crypto_engine_ctx enginectx;
	int		keylen;
	int		keylen;
	u32		key[AES_KEYSIZE_256 / sizeof(u32)];
	u32		key[AES_KEYSIZE_256 / sizeof(u32)];
	u8		nonce[4];
	u8		nonce[4];
+18 −6
Original line number Original line Diff line number Diff line
@@ -86,6 +86,7 @@
#define FLAGS_OUT_DATA_ST_SHIFT	10
#define FLAGS_OUT_DATA_ST_SHIFT	10


struct omap_des_ctx {
struct omap_des_ctx {
	struct crypto_engine_ctx enginectx;
	struct omap_des_dev *dd;
	struct omap_des_dev *dd;


	int		keylen;
	int		keylen;
@@ -498,7 +499,7 @@ static void omap_des_finish_req(struct omap_des_dev *dd, int err)


	pr_debug("err: %d\n", err);
	pr_debug("err: %d\n", err);


	crypto_finalize_cipher_request(dd->engine, req, err);
	crypto_finalize_ablkcipher_request(dd->engine, req, err);


	pm_runtime_mark_last_busy(dd->dev);
	pm_runtime_mark_last_busy(dd->dev);
	pm_runtime_put_autosuspend(dd->dev);
	pm_runtime_put_autosuspend(dd->dev);
@@ -520,14 +521,15 @@ static int omap_des_handle_queue(struct omap_des_dev *dd,
				 struct ablkcipher_request *req)
				 struct ablkcipher_request *req)
{
{
	if (req)
	if (req)
		return crypto_transfer_cipher_request_to_engine(dd->engine, req);
		return crypto_transfer_ablkcipher_request_to_engine(dd->engine, req);


	return 0;
	return 0;
}
}


static int omap_des_prepare_req(struct crypto_engine *engine,
static int omap_des_prepare_req(struct crypto_engine *engine,
				struct ablkcipher_request *req)
				void *areq)
{
{
	struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
			crypto_ablkcipher_reqtfm(req));
			crypto_ablkcipher_reqtfm(req));
	struct omap_des_dev *dd = omap_des_find_dev(ctx);
	struct omap_des_dev *dd = omap_des_find_dev(ctx);
@@ -582,8 +584,9 @@ static int omap_des_prepare_req(struct crypto_engine *engine,
}
}


static int omap_des_crypt_req(struct crypto_engine *engine,
static int omap_des_crypt_req(struct crypto_engine *engine,
			      struct ablkcipher_request *req)
			      void *areq)
{
{
	struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base);
	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
	struct omap_des_ctx *ctx = crypto_ablkcipher_ctx(
			crypto_ablkcipher_reqtfm(req));
			crypto_ablkcipher_reqtfm(req));
	struct omap_des_dev *dd = omap_des_find_dev(ctx);
	struct omap_des_dev *dd = omap_des_find_dev(ctx);
@@ -695,12 +698,23 @@ static int omap_des_cbc_decrypt(struct ablkcipher_request *req)
	return omap_des_crypt(req, FLAGS_CBC);
	return omap_des_crypt(req, FLAGS_CBC);
}
}


static int omap_des_prepare_req(struct crypto_engine *engine,
				void *areq);
static int omap_des_crypt_req(struct crypto_engine *engine,
			      void *areq);

static int omap_des_cra_init(struct crypto_tfm *tfm)
static int omap_des_cra_init(struct crypto_tfm *tfm)
{
{
	struct omap_des_ctx *ctx = crypto_tfm_ctx(tfm);

	pr_debug("enter\n");
	pr_debug("enter\n");


	tfm->crt_ablkcipher.reqsize = sizeof(struct omap_des_reqctx);
	tfm->crt_ablkcipher.reqsize = sizeof(struct omap_des_reqctx);


	ctx->enginectx.op.prepare_request = omap_des_prepare_req;
	ctx->enginectx.op.unprepare_request = NULL;
	ctx->enginectx.op.do_one_request = omap_des_crypt_req;

	return 0;
	return 0;
}
}


@@ -1046,8 +1060,6 @@ static int omap_des_probe(struct platform_device *pdev)
		goto err_engine;
		goto err_engine;
	}
	}


	dd->engine->prepare_cipher_request = omap_des_prepare_req;
	dd->engine->cipher_one_request = omap_des_crypt_req;
	err = crypto_engine_start(dd->engine);
	err = crypto_engine_start(dd->engine);
	if (err)
	if (err)
		goto err_engine;
		goto err_engine;