crypto: virtio - convert to new crypto engine API

This patch convert the driver to the new crypto engine API.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/virtio/virtio_crypto_algs.c

@@ -29,6 +29,7 @@
 
 
 struct virtio_crypto_ablkcipher_ctx {
+	struct crypto_engine_ctx enginectx;
 	struct virtio_crypto *vcrypto;
 	struct crypto_tfm *tfm;
 
@@ -491,7 +492,7 @@ static int virtio_crypto_ablkcipher_encrypt(struct ablkcipher_request *req)
 	vc_sym_req->ablkcipher_req = req;
 	vc_sym_req->encrypt = true;
 
-	return crypto_transfer_cipher_request_to_engine(data_vq->engine, req);
+	return crypto_transfer_ablkcipher_request_to_engine(data_vq->engine, req);
 }
 
 static int virtio_crypto_ablkcipher_decrypt(struct ablkcipher_request *req)
@@ -511,7 +512,7 @@ static int virtio_crypto_ablkcipher_decrypt(struct ablkcipher_request *req)
 	vc_sym_req->ablkcipher_req = req;
 	vc_sym_req->encrypt = false;
 
-	return crypto_transfer_cipher_request_to_engine(data_vq->engine, req);
+	return crypto_transfer_ablkcipher_request_to_engine(data_vq->engine, req);
 }
 
 static int virtio_crypto_ablkcipher_init(struct crypto_tfm *tfm)
@@ -521,6 +522,9 @@ static int virtio_crypto_ablkcipher_init(struct crypto_tfm *tfm)
 	tfm->crt_ablkcipher.reqsize = sizeof(struct virtio_crypto_sym_request);
 	ctx->tfm = tfm;
 
+	ctx->enginectx.op.do_one_request = virtio_crypto_ablkcipher_crypt_req;
+	ctx->enginectx.op.prepare_request = NULL;
+	ctx->enginectx.op.unprepare_request = NULL;
 	return 0;
 }
 
@@ -538,9 +542,9 @@ static void virtio_crypto_ablkcipher_exit(struct crypto_tfm *tfm)
 }
 
 int virtio_crypto_ablkcipher_crypt_req(
-	struct crypto_engine *engine,
-	struct ablkcipher_request *req)
+	struct crypto_engine *engine, void *vreq)
 {
+	struct ablkcipher_request *req = container_of(vreq, struct ablkcipher_request, base);
 	struct virtio_crypto_sym_request *vc_sym_req =
 				ablkcipher_request_ctx(req);
 	struct virtio_crypto_request *vc_req = &vc_sym_req->base;
@@ -561,8 +565,8 @@ static void virtio_crypto_ablkcipher_finalize_req(
 	struct ablkcipher_request *req,
 	int err)
 {
-	crypto_finalize_cipher_request(vc_sym_req->base.dataq->engine,
-					req, err);
+	crypto_finalize_ablkcipher_request(vc_sym_req->base.dataq->engine,
+					   req, err);
 	kzfree(vc_sym_req->iv);
 	virtcrypto_clear_request(&vc_sym_req->base);
 }

drivers/crypto/virtio/virtio_crypto_common.h

@@ -107,8 +107,7 @@ struct virtio_crypto *virtcrypto_get_dev_node(int node);
 int virtcrypto_dev_start(struct virtio_crypto *vcrypto);
 void virtcrypto_dev_stop(struct virtio_crypto *vcrypto);
 int virtio_crypto_ablkcipher_crypt_req(
-	struct crypto_engine *engine,
-	struct ablkcipher_request *req);
+	struct crypto_engine *engine, void *vreq);
 
 void
 virtcrypto_clear_request(struct virtio_crypto_request *vc_req);

drivers/crypto/virtio/virtio_crypto_core.c

@@ -111,9 +111,6 @@ static int virtcrypto_find_vqs(struct virtio_crypto *vi)
 			ret = -ENOMEM;
 			goto err_engine;
 		}
-
-		vi->data_vq[i].engine->cipher_one_request =
-			virtio_crypto_ablkcipher_crypt_req;
 	}
 
 	kfree(names);