cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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acompress.h (1843B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Asynchronous Compression operations
      4 *
      5 * Copyright (c) 2016, Intel Corporation
      6 * Authors: Weigang Li <weigang.li@intel.com>
      7 *          Giovanni Cabiddu <giovanni.cabiddu@intel.com>
      8 */
      9#ifndef _CRYPTO_ACOMP_INT_H
     10#define _CRYPTO_ACOMP_INT_H
     11#include <crypto/acompress.h>
     12
     13/*
     14 * Transform internal helpers.
     15 */
     16static inline void *acomp_request_ctx(struct acomp_req *req)
     17{
     18	return req->__ctx;
     19}
     20
     21static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm)
     22{
     23	return tfm->base.__crt_ctx;
     24}
     25
     26static inline void acomp_request_complete(struct acomp_req *req,
     27					  int err)
     28{
     29	req->base.complete(&req->base, err);
     30}
     31
     32static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
     33{
     34	return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
     35}
     36
     37static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
     38{
     39	struct acomp_req *req;
     40
     41	req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL);
     42	if (likely(req))
     43		acomp_request_set_tfm(req, tfm);
     44	return req;
     45}
     46
     47static inline void __acomp_request_free(struct acomp_req *req)
     48{
     49	kfree_sensitive(req);
     50}
     51
     52/**
     53 * crypto_register_acomp() -- Register asynchronous compression algorithm
     54 *
     55 * Function registers an implementation of an asynchronous
     56 * compression algorithm
     57 *
     58 * @alg:	algorithm definition
     59 *
     60 * Return:	zero on success; error code in case of error
     61 */
     62int crypto_register_acomp(struct acomp_alg *alg);
     63
     64/**
     65 * crypto_unregister_acomp() -- Unregister asynchronous compression algorithm
     66 *
     67 * Function unregisters an implementation of an asynchronous
     68 * compression algorithm
     69 *
     70 * @alg:	algorithm definition
     71 */
     72void crypto_unregister_acomp(struct acomp_alg *alg);
     73
     74int crypto_register_acomps(struct acomp_alg *algs, int count);
     75void crypto_unregister_acomps(struct acomp_alg *algs, int count);
     76
     77#endif