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/*
* Asynchronous Compression operations
*
* Copyright (c) 2016, Intel Corporation
* Authors: Weigang Li <weigang.li@intel.com>
* 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_ACOMP_INT_H
#define _CRYPTO_ACOMP_INT_H
#include <crypto/acompress.h>
/*
* Transform internal helpers.
*/
static inline void *acomp_request_ctx(struct acomp_req *req)
{
return req->__ctx;
}
static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm)
{
return tfm->base.__crt_ctx;
}
static inline void acomp_request_complete(struct acomp_req *req,
int err)
{
req->base.complete(&req->base, err);
}
static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
{
return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
}
static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
{
struct acomp_req *req;
req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL);
if (likely(req))
acomp_request_set_tfm(req, tfm);
return req;
}
static inline void __acomp_request_free(struct acomp_req *req)
{
kzfree(req);
}
/**
* crypto_register_acomp() -- Register asynchronous compression algorithm
*
* Function registers an implementation of an asynchronous
* compression algorithm
*
* @alg: algorithm definition
*
* Return: zero on success; error code in case of error
*/
int crypto_register_acomp(struct acomp_alg *alg);
/**
* crypto_unregister_acomp() -- Unregister asynchronous compression algorithm
*
* Function unregisters an implementation of an asynchronous
* compression algorithm
*
* @alg: algorithm definition
*
* Return: zero on success; error code in case of error
*/
int crypto_unregister_acomp(struct acomp_alg *alg);
int crypto_register_acomps(struct acomp_alg *algs, int count);
void crypto_unregister_acomps(struct acomp_alg *algs, int count);
#endif