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 | |