diff options
Diffstat (limited to 'drivers/crypto/qce/common.h')
-rw-r--r-- | drivers/crypto/qce/common.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/crypto/qce/common.h b/drivers/crypto/qce/common.h new file mode 100644 index 000000000000..411b1fc97216 --- /dev/null +++ b/drivers/crypto/qce/common.h | |||
@@ -0,0 +1,102 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 and | ||
6 | * only version 2 as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | */ | ||
13 | |||
14 | #ifndef _COMMON_H_ | ||
15 | #define _COMMON_H_ | ||
16 | |||
17 | #include <linux/crypto.h> | ||
18 | #include <linux/types.h> | ||
19 | #include <crypto/aes.h> | ||
20 | #include <crypto/hash.h> | ||
21 | |||
22 | /* key size in bytes */ | ||
23 | #define QCE_SHA_HMAC_KEY_SIZE 64 | ||
24 | #define QCE_MAX_CIPHER_KEY_SIZE AES_KEYSIZE_256 | ||
25 | |||
26 | /* IV length in bytes */ | ||
27 | #define QCE_AES_IV_LENGTH AES_BLOCK_SIZE | ||
28 | /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */ | ||
29 | #define QCE_MAX_IV_SIZE AES_BLOCK_SIZE | ||
30 | |||
31 | /* maximum nonce bytes */ | ||
32 | #define QCE_MAX_NONCE 16 | ||
33 | #define QCE_MAX_NONCE_WORDS (QCE_MAX_NONCE / sizeof(u32)) | ||
34 | |||
35 | /* burst size alignment requirement */ | ||
36 | #define QCE_MAX_ALIGN_SIZE 64 | ||
37 | |||
38 | /* cipher algorithms */ | ||
39 | #define QCE_ALG_DES BIT(0) | ||
40 | #define QCE_ALG_3DES BIT(1) | ||
41 | #define QCE_ALG_AES BIT(2) | ||
42 | |||
43 | /* hash and hmac algorithms */ | ||
44 | #define QCE_HASH_SHA1 BIT(3) | ||
45 | #define QCE_HASH_SHA256 BIT(4) | ||
46 | #define QCE_HASH_SHA1_HMAC BIT(5) | ||
47 | #define QCE_HASH_SHA256_HMAC BIT(6) | ||
48 | #define QCE_HASH_AES_CMAC BIT(7) | ||
49 | |||
50 | /* cipher modes */ | ||
51 | #define QCE_MODE_CBC BIT(8) | ||
52 | #define QCE_MODE_ECB BIT(9) | ||
53 | #define QCE_MODE_CTR BIT(10) | ||
54 | #define QCE_MODE_XTS BIT(11) | ||
55 | #define QCE_MODE_CCM BIT(12) | ||
56 | #define QCE_MODE_MASK GENMASK(12, 8) | ||
57 | |||
58 | /* cipher encryption/decryption operations */ | ||
59 | #define QCE_ENCRYPT BIT(13) | ||
60 | #define QCE_DECRYPT BIT(14) | ||
61 | |||
62 | #define IS_DES(flags) (flags & QCE_ALG_DES) | ||
63 | #define IS_3DES(flags) (flags & QCE_ALG_3DES) | ||
64 | #define IS_AES(flags) (flags & QCE_ALG_AES) | ||
65 | |||
66 | #define IS_SHA1(flags) (flags & QCE_HASH_SHA1) | ||
67 | #define IS_SHA256(flags) (flags & QCE_HASH_SHA256) | ||
68 | #define IS_SHA1_HMAC(flags) (flags & QCE_HASH_SHA1_HMAC) | ||
69 | #define IS_SHA256_HMAC(flags) (flags & QCE_HASH_SHA256_HMAC) | ||
70 | #define IS_CMAC(flags) (flags & QCE_HASH_AES_CMAC) | ||
71 | #define IS_SHA(flags) (IS_SHA1(flags) || IS_SHA256(flags)) | ||
72 | #define IS_SHA_HMAC(flags) \ | ||
73 | (IS_SHA1_HMAC(flags) || IS_SHA256_HMAC(flags)) | ||
74 | |||
75 | #define IS_CBC(mode) (mode & QCE_MODE_CBC) | ||
76 | #define IS_ECB(mode) (mode & QCE_MODE_ECB) | ||
77 | #define IS_CTR(mode) (mode & QCE_MODE_CTR) | ||
78 | #define IS_XTS(mode) (mode & QCE_MODE_XTS) | ||
79 | #define IS_CCM(mode) (mode & QCE_MODE_CCM) | ||
80 | |||
81 | #define IS_ENCRYPT(dir) (dir & QCE_ENCRYPT) | ||
82 | #define IS_DECRYPT(dir) (dir & QCE_DECRYPT) | ||
83 | |||
84 | struct qce_alg_template { | ||
85 | struct list_head entry; | ||
86 | u32 crypto_alg_type; | ||
87 | unsigned long alg_flags; | ||
88 | const __be32 *std_iv; | ||
89 | union { | ||
90 | struct crypto_alg crypto; | ||
91 | struct ahash_alg ahash; | ||
92 | } alg; | ||
93 | struct qce_device *qce; | ||
94 | }; | ||
95 | |||
96 | void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len); | ||
97 | int qce_check_status(struct qce_device *qce, u32 *status); | ||
98 | void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step); | ||
99 | int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen, | ||
100 | u32 offset); | ||
101 | |||
102 | #endif /* _COMMON_H_ */ | ||