xref: /openbmc/linux/include/crypto/cryptd.h (revision 8795a739)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Software async crypto daemon
4  *
5  * Added AEAD support to cryptd.
6  *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
7  *             Adrian Hoban <adrian.hoban@intel.com>
8  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
9  *             Aidan O'Mahony (aidan.o.mahony@intel.com)
10  *    Copyright (c) 2010, Intel Corporation.
11  */
12 
13 #ifndef _CRYPTO_CRYPT_H
14 #define _CRYPTO_CRYPT_H
15 
16 #include <linux/kernel.h>
17 #include <crypto/aead.h>
18 #include <crypto/hash.h>
19 #include <crypto/skcipher.h>
20 
21 struct cryptd_skcipher {
22 	struct crypto_skcipher base;
23 };
24 
25 /* alg_name should be algorithm to be cryptd-ed */
26 struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
27 					      u32 type, u32 mask);
28 struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
29 /* Must be called without moving CPUs. */
30 bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
31 void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
32 
33 struct cryptd_ahash {
34 	struct crypto_ahash base;
35 };
36 
37 static inline struct cryptd_ahash *__cryptd_ahash_cast(
38 	struct crypto_ahash *tfm)
39 {
40 	return (struct cryptd_ahash *)tfm;
41 }
42 
43 /* alg_name should be algorithm to be cryptd-ed */
44 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
45 					u32 type, u32 mask);
46 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
47 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
48 /* Must be called without moving CPUs. */
49 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
50 void cryptd_free_ahash(struct cryptd_ahash *tfm);
51 
52 struct cryptd_aead {
53 	struct crypto_aead base;
54 };
55 
56 static inline struct cryptd_aead *__cryptd_aead_cast(
57 	struct crypto_aead *tfm)
58 {
59 	return (struct cryptd_aead *)tfm;
60 }
61 
62 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
63 					  u32 type, u32 mask);
64 
65 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
66 /* Must be called without moving CPUs. */
67 bool cryptd_aead_queued(struct cryptd_aead *tfm);
68 
69 void cryptd_free_aead(struct cryptd_aead *tfm);
70 
71 #endif
72