| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | * Crypto engine API |
| 4 | * |
| 5 | * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org> |
| 6 | */ |
| 7 | #ifndef _CRYPTO_ENGINE_H |
| 8 | #define _CRYPTO_ENGINE_H |
| 9 | |
| 10 | #include <crypto/aead.h> |
| 11 | #include <crypto/akcipher.h> |
| 12 | #include <crypto/hash.h> |
| 13 | #include <crypto/kpp.h> |
| 14 | #include <crypto/skcipher.h> |
| 15 | #include <linux/types.h> |
| 16 | |
| 17 | struct crypto_engine; |
| 18 | struct device; |
| 19 | |
| 20 | /* |
| 21 | * struct crypto_engine_op - crypto hardware engine operations |
| 22 | * @do_one_request: do encryption for current request |
| 23 | */ |
| 24 | struct crypto_engine_op { |
| 25 | int (*do_one_request)(struct crypto_engine *engine, |
| 26 | void *areq); |
| 27 | }; |
| 28 | |
| 29 | struct aead_engine_alg { |
| 30 | struct aead_alg base; |
| 31 | struct crypto_engine_op op; |
| 32 | }; |
| 33 | |
| 34 | struct ahash_engine_alg { |
| 35 | struct ahash_alg base; |
| 36 | struct crypto_engine_op op; |
| 37 | }; |
| 38 | |
| 39 | struct akcipher_engine_alg { |
| 40 | struct akcipher_alg base; |
| 41 | struct crypto_engine_op op; |
| 42 | }; |
| 43 | |
| 44 | struct kpp_engine_alg { |
| 45 | struct kpp_alg base; |
| 46 | struct crypto_engine_op op; |
| 47 | }; |
| 48 | |
| 49 | struct skcipher_engine_alg { |
| 50 | struct skcipher_alg base; |
| 51 | struct crypto_engine_op op; |
| 52 | }; |
| 53 | |
| 54 | int crypto_transfer_aead_request_to_engine(struct crypto_engine *engine, |
| 55 | struct aead_request *req); |
| 56 | int crypto_transfer_akcipher_request_to_engine(struct crypto_engine *engine, |
| 57 | struct akcipher_request *req); |
| 58 | int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine, |
| 59 | struct ahash_request *req); |
| 60 | int crypto_transfer_kpp_request_to_engine(struct crypto_engine *engine, |
| 61 | struct kpp_request *req); |
| 62 | int crypto_transfer_skcipher_request_to_engine(struct crypto_engine *engine, |
| 63 | struct skcipher_request *req); |
| 64 | void crypto_finalize_aead_request(struct crypto_engine *engine, |
| 65 | struct aead_request *req, int err); |
| 66 | void crypto_finalize_akcipher_request(struct crypto_engine *engine, |
| 67 | struct akcipher_request *req, int err); |
| 68 | void crypto_finalize_hash_request(struct crypto_engine *engine, |
| 69 | struct ahash_request *req, int err); |
| 70 | void crypto_finalize_kpp_request(struct crypto_engine *engine, |
| 71 | struct kpp_request *req, int err); |
| 72 | void crypto_finalize_skcipher_request(struct crypto_engine *engine, |
| 73 | struct skcipher_request *req, int err); |
| 74 | int crypto_engine_start(struct crypto_engine *engine); |
| 75 | int crypto_engine_stop(struct crypto_engine *engine); |
| 76 | struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt); |
| 77 | struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev, |
| 78 | bool retry_support, |
| 79 | int (*cbk_do_batch)(struct crypto_engine *engine), |
| 80 | bool rt, int qlen); |
| 81 | void crypto_engine_exit(struct crypto_engine *engine); |
| 82 | |
| 83 | int crypto_engine_register_aead(struct aead_engine_alg *alg); |
| 84 | void crypto_engine_unregister_aead(struct aead_engine_alg *alg); |
| 85 | int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count); |
| 86 | void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count); |
| 87 | |
| 88 | int crypto_engine_register_ahash(struct ahash_engine_alg *alg); |
| 89 | void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg); |
| 90 | int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count); |
| 91 | void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs, |
| 92 | int count); |
| 93 | |
| 94 | int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg); |
| 95 | void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg); |
| 96 | |
| 97 | int crypto_engine_register_kpp(struct kpp_engine_alg *alg); |
| 98 | void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg); |
| 99 | |
| 100 | int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg); |
| 101 | void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg); |
| 102 | int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs, |
| 103 | int count); |
| 104 | void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs, |
| 105 | int count); |
| 106 | |
| 107 | #endif /* _CRYPTO_ENGINE_H */ |
| 108 | |