aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/crypto/qce/common.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/qce/common.h')
-rw-r--r--drivers/crypto/qce/common.h102
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
84struct 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
96void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len);
97int qce_check_status(struct qce_device *qce, u32 *status);
98void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step);
99int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen,
100 u32 offset);
101
102#endif /* _COMMON_H_ */