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engine.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Crypto engine API
*
* Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org>
*/
#ifndef _CRYPTO_ENGINE_H
#define _CRYPTO_ENGINE_H
#include <crypto/aead.h>
#include <crypto/akcipher.h>
#include <crypto/hash.h>
#include <crypto/kpp.h>
#include <crypto/skcipher.h>
#include <linux/types.h>
struct crypto_engine;
struct device;
/*
* struct crypto_engine_op - crypto hardware engine operations
* @do_one_request: do encryption for current request
*/
struct crypto_engine_op {
int (*do_one_request)(struct crypto_engine *engine,
void *areq);
};
struct aead_engine_alg {
struct aead_alg base;
struct crypto_engine_op op;
};
struct ahash_engine_alg {
struct ahash_alg base;
struct crypto_engine_op op;
};
struct akcipher_engine_alg {
struct akcipher_alg base;
struct crypto_engine_op op;
};
struct kpp_engine_alg {
struct kpp_alg base;
struct crypto_engine_op op;
};
struct skcipher_engine_alg {
struct skcipher_alg base;
struct crypto_engine_op op;
};
int crypto_transfer_aead_request_to_engine(struct crypto_engine *engine,
struct aead_request *req);
int crypto_transfer_akcipher_request_to_engine(struct crypto_engine *engine,
struct akcipher_request *req);
int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine,
struct ahash_request *req);
int crypto_transfer_kpp_request_to_engine(struct crypto_engine *engine,
struct kpp_request *req);
int crypto_transfer_skcipher_request_to_engine(struct crypto_engine *engine,
struct skcipher_request *req);
void crypto_finalize_aead_request(struct crypto_engine *engine,
struct aead_request *req, int err);
void crypto_finalize_akcipher_request(struct crypto_engine *engine,
struct akcipher_request *req, int err);
void crypto_finalize_hash_request(struct crypto_engine *engine,
struct ahash_request *req, int err);
void crypto_finalize_kpp_request(struct crypto_engine *engine,
struct kpp_request *req, int err);
void crypto_finalize_skcipher_request(struct crypto_engine *engine,
struct skcipher_request *req, int err);
int crypto_engine_start(struct crypto_engine *engine);
int crypto_engine_stop(struct crypto_engine *engine);
struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt);
struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
bool retry_support,
int (*cbk_do_batch)(struct crypto_engine *engine),
bool rt, int qlen);
void crypto_engine_exit(struct crypto_engine *engine);
int crypto_engine_register_aead(struct aead_engine_alg *alg);
void crypto_engine_unregister_aead(struct aead_engine_alg *alg);
int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count);
void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count);
int crypto_engine_register_ahash(struct ahash_engine_alg *alg);
void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg);
int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count);
void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs,
int count);
int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg);
void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg);
int crypto_engine_register_kpp(struct kpp_engine_alg *alg);
void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg);
int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg);
void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg);
int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs,
int count);
void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs,
int count);
#endif /* _CRYPTO_ENGINE_H */