crypto: sha1-mb - async implementation for sha1-mb

Herbert wants the sha1-mb algorithm to have an async implementation:
https://lkml.org/lkml/2016/4/5/286.
Currently, sha1-mb uses an async interface for the outer algorithm
and a sync interface for the inner algorithm. This patch introduces
a async interface for even the inner algorithm.
Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/crypto/internal/hash.h

@@ -114,14 +114,10 @@ int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
 int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
 int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
 
-int shash_ahash_mcryptd_update(struct ahash_request *req,
-			       struct shash_desc *desc);
-int shash_ahash_mcryptd_final(struct ahash_request *req,
-			      struct shash_desc *desc);
-int shash_ahash_mcryptd_finup(struct ahash_request *req,
-			      struct shash_desc *desc);
-int shash_ahash_mcryptd_digest(struct ahash_request *req,
-			       struct shash_desc *desc);
+int ahash_mcryptd_update(struct ahash_request *desc);
+int ahash_mcryptd_final(struct ahash_request *desc);
+int ahash_mcryptd_finup(struct ahash_request *desc);
+int ahash_mcryptd_digest(struct ahash_request *desc);
 
 int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
 

include/crypto/mcryptd.h

@@ -39,7 +39,7 @@ struct mcryptd_instance_ctx {
 };
 
 struct mcryptd_hash_ctx {
-	struct crypto_shash *child;
+	struct crypto_ahash *child;
 	struct mcryptd_alg_state *alg_state;
 };
 
@@ -59,13 +59,13 @@ struct mcryptd_hash_request_ctx {
 	struct crypto_hash_walk walk;
 	u8 *out;
 	int flag;
-	struct shash_desc desc;
+	struct ahash_request areq;
 };
 
 struct mcryptd_ahash *mcryptd_alloc_ahash(const char *alg_name,
 					u32 type, u32 mask);
-struct crypto_shash *mcryptd_ahash_child(struct mcryptd_ahash *tfm);
-struct shash_desc *mcryptd_shash_desc(struct ahash_request *req);
+struct crypto_ahash *mcryptd_ahash_child(struct mcryptd_ahash *tfm);
+struct ahash_request *mcryptd_ahash_desc(struct ahash_request *req);
 void mcryptd_free_ahash(struct mcryptd_ahash *tfm);
 void mcryptd_flusher(struct work_struct *work);