linux - include/crypto/engine.h

106 lines · 3.7 KiB

1	/* SPDX-License-Identifier: GPL-2.0-or-later */
2	/*
3	* Crypto engine API
4	*
5	* Copyright (c) 2016 Baolin Wang <[email protected]>
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	bool rt, int qlen);
80	void crypto_engine_exit(struct crypto_engine *engine);
81
82	int crypto_engine_register_aead(struct aead_engine_alg *alg);
83	void crypto_engine_unregister_aead(struct aead_engine_alg *alg);
84	int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count);
85	void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count);
86
87	int crypto_engine_register_ahash(struct ahash_engine_alg *alg);
88	void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg);
89	int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count);
90	void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs,
91	int count);
92
93	int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg);
94	void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg);
95
96	int crypto_engine_register_kpp(struct kpp_engine_alg *alg);
97	void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg);
98
99	int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg);
100	void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg);
101	int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs,
102	int count);
103	void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs,
104	int count);
105
106	#endif /* _CRYPTO_ENGINE_H */