linux-stable/include/crypto/internal/acompress.h
Herbert Xu 14386d4713 crypto: Prepare to move crypto_tfm_ctx
The helper crypto_tfm_ctx is only used by the Crypto API algorithm
code and should really be in algapi.h.  However, for historical
reasons many files relied on it to be in crypto.h.  This patch
changes those files to use algapi.h instead in prepartion for a
move.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-12-02 18:12:40 +08:00

79 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>
#include <crypto/algapi.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)
{
kfree_sensitive(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
*/
void 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