1 files changed, 12 insertions, 32 deletions

diff --git a/include/crypto/internal/scompress.h b/include/crypto/internal/scompress.h
index 0f6ddac1acfc..6a2c5f2e90f9 100644
--- a/include/crypto/internal/scompress.h
+++ b/include/crypto/internal/scompress.h
@@ -1,21 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Synchronous Compression operations
  *
  * Copyright 2015 LG Electronics Inc.
  * Copyright (c) 2016, Intel Corporation
  * Author: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
  */
 #ifndef _CRYPTO_SCOMP_INT_H
 #define _CRYPTO_SCOMP_INT_H
-#include <linux/crypto.h>
 
-#define SCOMP_SCRATCH_SIZE	131072
+#include <crypto/internal/acompress.h>
 
 struct crypto_scomp {
 	struct crypto_tfm base;
@@ -24,22 +18,25 @@ struct crypto_scomp {
 /**
  * struct scomp_alg - synchronous compression algorithm
  *
- * @alloc_ctx:	Function allocates algorithm specific context
- * @free_ctx:	Function frees context allocated with alloc_ctx
  * @compress:	Function performs a compress operation
  * @decompress:	Function performs a de-compress operation
- * @base:	Common crypto API algorithm data structure
+ * @streams:	Per-cpu memory for algorithm
+ * @calg:	Cmonn algorithm data structure shared with acomp
  */
 struct scomp_alg {
-	void *(*alloc_ctx)(struct crypto_scomp *tfm);
-	void (*free_ctx)(struct crypto_scomp *tfm, void *ctx);
 	int (*compress)(struct crypto_scomp *tfm, const u8 *src,
 			unsigned int slen, u8 *dst, unsigned int *dlen,
 			void *ctx);
 	int (*decompress)(struct crypto_scomp *tfm, const u8 *src,
 			  unsigned int slen, u8 *dst, unsigned int *dlen,
 			  void *ctx);
-	struct crypto_alg base;
+
+	struct crypto_acomp_streams streams;
+
+	union {
+		struct COMP_ALG_COMMON;
+		struct comp_alg_common calg;
+	};
 };
 
 static inline struct scomp_alg *__crypto_scomp_alg(struct crypto_alg *alg)
@@ -67,17 +64,6 @@ static inline struct scomp_alg *crypto_scomp_alg(struct crypto_scomp *tfm)
 	return __crypto_scomp_alg(crypto_scomp_tfm(tfm)->__crt_alg);
 }
 
-static inline void *crypto_scomp_alloc_ctx(struct crypto_scomp *tfm)
-{
-	return crypto_scomp_alg(tfm)->alloc_ctx(tfm);
-}
-
-static inline void crypto_scomp_free_ctx(struct crypto_scomp *tfm,
-					 void *ctx)
-{
-	return crypto_scomp_alg(tfm)->free_ctx(tfm, ctx);
-}
-
 static inline int crypto_scomp_compress(struct crypto_scomp *tfm,
 					const u8 *src, unsigned int slen,
 					u8 *dst, unsigned int *dlen, void *ctx)
@@ -94,10 +80,6 @@ static inline int crypto_scomp_decompress(struct crypto_scomp *tfm,
 						 ctx);
 }
 
-int crypto_init_scomp_ops_async(struct crypto_tfm *tfm);
-struct acomp_req *crypto_acomp_scomp_alloc_ctx(struct acomp_req *req);
-void crypto_acomp_scomp_free_ctx(struct acomp_req *req);
-
 /**
  * crypto_register_scomp() -- Register synchronous compression algorithm
  *
@@ -117,10 +99,8 @@ int crypto_register_scomp(struct scomp_alg *alg);
  * compression algorithm
  *
  * @alg:	algorithm definition
- *
- * Return: zero on success; error code in case of error
  */
-int crypto_unregister_scomp(struct scomp_alg *alg);
+void crypto_unregister_scomp(struct scomp_alg *alg);
 
 int crypto_register_scomps(struct scomp_alg *algs, int count);
 void crypto_unregister_scomps(struct scomp_alg *algs, int count);