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linux-next/include/crypto/internal/acompress.h
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

80 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Asynchronous Compression operations
*
* Copyright (c) 2016, Intel Corporation
* Authors: Weigang Li <weigang.li@intel.com>
* Giovanni Cabiddu <giovanni.cabiddu@intel.com>
*/
#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