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
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.