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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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5ec12f1c7b
All callers ignore the return value, so simplify by not providing one. Note that crypto_engine_exit() is typically called in a device driver's remove path (or the error path in probe), where errors cannot be handled anyhow. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Crypto engine API
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*
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* Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org>
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*/
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#ifndef _CRYPTO_ENGINE_H
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#define _CRYPTO_ENGINE_H
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#include <crypto/aead.h>
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#include <crypto/akcipher.h>
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#include <crypto/hash.h>
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#include <crypto/kpp.h>
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#include <crypto/skcipher.h>
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#include <linux/types.h>
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struct crypto_engine;
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struct device;
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/*
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* struct crypto_engine_op - crypto hardware engine operations
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* @do_one_request: do encryption for current request
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*/
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struct crypto_engine_op {
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int (*do_one_request)(struct crypto_engine *engine,
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void *areq);
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};
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struct aead_engine_alg {
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struct aead_alg base;
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struct crypto_engine_op op;
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};
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struct ahash_engine_alg {
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struct ahash_alg base;
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struct crypto_engine_op op;
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};
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struct akcipher_engine_alg {
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struct akcipher_alg base;
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struct crypto_engine_op op;
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};
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struct kpp_engine_alg {
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struct kpp_alg base;
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struct crypto_engine_op op;
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};
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struct skcipher_engine_alg {
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struct skcipher_alg base;
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struct crypto_engine_op op;
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};
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int crypto_transfer_aead_request_to_engine(struct crypto_engine *engine,
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struct aead_request *req);
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int crypto_transfer_akcipher_request_to_engine(struct crypto_engine *engine,
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struct akcipher_request *req);
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int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine,
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struct ahash_request *req);
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int crypto_transfer_kpp_request_to_engine(struct crypto_engine *engine,
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struct kpp_request *req);
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int crypto_transfer_skcipher_request_to_engine(struct crypto_engine *engine,
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struct skcipher_request *req);
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void crypto_finalize_aead_request(struct crypto_engine *engine,
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struct aead_request *req, int err);
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void crypto_finalize_akcipher_request(struct crypto_engine *engine,
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struct akcipher_request *req, int err);
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void crypto_finalize_hash_request(struct crypto_engine *engine,
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struct ahash_request *req, int err);
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void crypto_finalize_kpp_request(struct crypto_engine *engine,
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struct kpp_request *req, int err);
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void crypto_finalize_skcipher_request(struct crypto_engine *engine,
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struct skcipher_request *req, int err);
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int crypto_engine_start(struct crypto_engine *engine);
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int crypto_engine_stop(struct crypto_engine *engine);
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struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt);
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struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
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bool retry_support,
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int (*cbk_do_batch)(struct crypto_engine *engine),
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bool rt, int qlen);
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void crypto_engine_exit(struct crypto_engine *engine);
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int crypto_engine_register_aead(struct aead_engine_alg *alg);
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void crypto_engine_unregister_aead(struct aead_engine_alg *alg);
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int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count);
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void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count);
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int crypto_engine_register_ahash(struct ahash_engine_alg *alg);
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void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg);
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int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count);
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void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs,
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int count);
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int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg);
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void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg);
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int crypto_engine_register_kpp(struct kpp_engine_alg *alg);
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void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg);
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int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg);
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void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg);
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int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs,
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int count);
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void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs,
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int count);
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#endif /* _CRYPTO_ENGINE_H */
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