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1 /***********************license start************************************
2  * Copyright (c) 2003-2017 Cavium, Inc.
3  * All rights reserved.
4  *
5  * License: one of 'Cavium License' or 'GNU General Public License Version 2'
6  *
7  * This file is provided under the terms of the Cavium License (see below)
8  * or under the terms of GNU General Public License, Version 2, as
9  * published by the Free Software Foundation. When using or redistributing
10  * this file, you may do so under either license.
11  *
12  * Cavium License:  Redistribution and use in source and binary forms, with
13  * or without modification, are permitted provided that the following
14  * conditions are met:
15  *
16  *  * Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  *
19  *  * Redistributions in binary form must reproduce the above
20  *    copyright notice, this list of conditions and the following
21  *    disclaimer in the documentation and/or other materials provided
22  *    with the distribution.
23  *
24  *  * Neither the name of Cavium Inc. nor the names of its contributors may be
25  *    used to endorse or promote products derived from this software without
26  *    specific prior written permission.
27  *
28  * This Software, including technical data, may be subject to U.S. export
29  * control laws, including the U.S. Export Administration Act and its
30  * associated regulations, and may be subject to export or import
31  * regulations in other countries.
32  *
33  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
34  * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
35  * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
36  * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
37  * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
38  * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
39  * WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
40  * PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
41  * ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
42  * ENTIRE  RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
43  * WITH YOU.
44  ***********************license end**************************************/
45 
46 #ifndef __ZIP_CRYPTO_H__
47 #define __ZIP_CRYPTO_H__
48 
49 #include <linux/crypto.h>
50 #include <crypto/internal/scompress.h>
51 #include "common.h"
52 #include "zip_deflate.h"
53 #include "zip_inflate.h"
54 
55 struct zip_kernel_ctx {
56 	struct zip_operation zip_comp;
57 	struct zip_operation zip_decomp;
58 };
59 
60 int  zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm);
61 int  zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm);
62 void zip_free_comp_ctx(struct crypto_tfm *tfm);
63 int  zip_comp_compress(struct crypto_tfm *tfm,
64 		       const u8 *src, unsigned int slen,
65 		       u8 *dst, unsigned int *dlen);
66 int  zip_comp_decompress(struct crypto_tfm *tfm,
67 			 const u8 *src, unsigned int slen,
68 			 u8 *dst, unsigned int *dlen);
69 
70 void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm);
71 void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm);
72 void  zip_free_scomp_ctx(struct crypto_scomp *tfm, void *zip_ctx);
73 int   zip_scomp_compress(struct crypto_scomp *tfm,
74 			 const u8 *src, unsigned int slen,
75 			 u8 *dst, unsigned int *dlen, void *ctx);
76 int   zip_scomp_decompress(struct crypto_scomp *tfm,
77 			   const u8 *src, unsigned int slen,
78 			   u8 *dst, unsigned int *dlen, void *ctx);
79 #endif
80