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This contains changes for adding compression/decompression h/w offload functionality for both DEFLATE and LZS. Signed-off-by: Mahipal Challa <Mahipal.Challa@cavium.com> Signed-off-by: Jan Glauber <jglauber@cavium.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
/***********************license start************************************
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* Copyright (c) 2003-2017 Cavium, Inc.
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* All rights reserved.
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*
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* License: one of 'Cavium License' or 'GNU General Public License Version 2'
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*
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* This file is provided under the terms of the Cavium License (see below)
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* or under the terms of GNU General Public License, Version 2, as
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* published by the Free Software Foundation. When using or redistributing
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* this file, you may do so under either license.
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*
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* Cavium License: Redistribution and use in source and binary forms, with
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* or without modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of Cavium Inc. nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* This Software, including technical data, may be subject to U.S. export
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* control laws, including the U.S. Export Administration Act and its
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* associated regulations, and may be subject to export or import
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* regulations in other countries.
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*
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
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* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
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* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
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* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
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* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
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* WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
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* PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
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* ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
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* ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
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* WITH YOU.
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***********************license end**************************************/
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#ifndef __ZIP_CRYPTO_H__
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#define __ZIP_CRYPTO_H__
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#include <linux/crypto.h>
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#include <crypto/internal/scompress.h>
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#include "common.h"
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#include "zip_deflate.h"
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#include "zip_inflate.h"
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struct zip_kernel_ctx {
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struct zip_operation zip_comp;
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struct zip_operation zip_decomp;
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};
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int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm);
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int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm);
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void zip_free_comp_ctx(struct crypto_tfm *tfm);
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int zip_comp_compress(struct crypto_tfm *tfm,
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const u8 *src, unsigned int slen,
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u8 *dst, unsigned int *dlen);
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int zip_comp_decompress(struct crypto_tfm *tfm,
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const u8 *src, unsigned int slen,
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u8 *dst, unsigned int *dlen);
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void *zip_alloc_scomp_ctx_deflate(struct crypto_scomp *tfm);
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void *zip_alloc_scomp_ctx_lzs(struct crypto_scomp *tfm);
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void zip_free_scomp_ctx(struct crypto_scomp *tfm, void *zip_ctx);
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int zip_scomp_compress(struct crypto_scomp *tfm,
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const u8 *src, unsigned int slen,
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u8 *dst, unsigned int *dlen, void *ctx);
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int zip_scomp_decompress(struct crypto_scomp *tfm,
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const u8 *src, unsigned int slen,
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u8 *dst, unsigned int *dlen, void *ctx);
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#endif
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