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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
4 */
5
6#ifndef _COMMON_H_
7#define _COMMON_H_
8
9#include <linux/crypto.h>
10#include <linux/types.h>
11#include <crypto/aes.h>
12#include <crypto/hash.h>
13#include <crypto/internal/skcipher.h>
14#include <crypto/internal/aead.h>
15
16/* xts du size */
17#define QCE_SECTOR_SIZE 512
18
19/* key size in bytes */
20#define QCE_SHA_HMAC_KEY_SIZE 64
21#define QCE_MAX_CIPHER_KEY_SIZE AES_KEYSIZE_256
22
23/* IV length in bytes */
24#define QCE_AES_IV_LENGTH AES_BLOCK_SIZE
25/* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
26#define QCE_MAX_IV_SIZE AES_BLOCK_SIZE
27
28/* maximum nonce bytes */
29#define QCE_MAX_NONCE 16
30#define QCE_MAX_NONCE_WORDS (QCE_MAX_NONCE / sizeof(u32))
31
32/* burst size alignment requirement */
33#define QCE_MAX_ALIGN_SIZE 64
34
35/* cipher algorithms */
36#define QCE_ALG_DES BIT(0)
37#define QCE_ALG_3DES BIT(1)
38#define QCE_ALG_AES BIT(2)
39
40/* hash and hmac algorithms */
41#define QCE_HASH_SHA1 BIT(3)
42#define QCE_HASH_SHA256 BIT(4)
43#define QCE_HASH_SHA1_HMAC BIT(5)
44#define QCE_HASH_SHA256_HMAC BIT(6)
45#define QCE_HASH_AES_CMAC BIT(7)
46
47/* cipher modes */
48#define QCE_MODE_CBC BIT(8)
49#define QCE_MODE_ECB BIT(9)
50#define QCE_MODE_CTR BIT(10)
51#define QCE_MODE_XTS BIT(11)
52#define QCE_MODE_CCM BIT(12)
53#define QCE_MODE_MASK GENMASK(12, 8)
54
55#define QCE_MODE_CCM_RFC4309 BIT(13)
56
57/* cipher encryption/decryption operations */
58#define QCE_ENCRYPT BIT(30)
59#define QCE_DECRYPT BIT(31)
60
61#define IS_DES(flags) (flags & QCE_ALG_DES)
62#define IS_3DES(flags) (flags & QCE_ALG_3DES)
63#define IS_AES(flags) (flags & QCE_ALG_AES)
64
65#define IS_SHA1(flags) (flags & QCE_HASH_SHA1)
66#define IS_SHA256(flags) (flags & QCE_HASH_SHA256)
67#define IS_SHA1_HMAC(flags) (flags & QCE_HASH_SHA1_HMAC)
68#define IS_SHA256_HMAC(flags) (flags & QCE_HASH_SHA256_HMAC)
69#define IS_CMAC(flags) (flags & QCE_HASH_AES_CMAC)
70#define IS_SHA(flags) (IS_SHA1(flags) || IS_SHA256(flags))
71#define IS_SHA_HMAC(flags) \
72 (IS_SHA1_HMAC(flags) || IS_SHA256_HMAC(flags))
73
74#define IS_CBC(mode) (mode & QCE_MODE_CBC)
75#define IS_ECB(mode) (mode & QCE_MODE_ECB)
76#define IS_CTR(mode) (mode & QCE_MODE_CTR)
77#define IS_XTS(mode) (mode & QCE_MODE_XTS)
78#define IS_CCM(mode) (mode & QCE_MODE_CCM)
79#define IS_CCM_RFC4309(mode) ((mode) & QCE_MODE_CCM_RFC4309)
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 u32 *std_iv;
89 union {
90 struct skcipher_alg skcipher;
91 struct ahash_alg ahash;
92 struct aead_alg aead;
93 } alg;
94 struct qce_device *qce;
95 const u8 *hash_zero;
96 const u32 digest_size;
97};
98
99void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len);
100int qce_check_status(struct qce_device *qce, u32 *status);
101void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step);
102int qce_start(struct crypto_async_request *async_req, u32 type);
103
104#endif /* _COMMON_H_ */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
4 */
5
6#ifndef _COMMON_H_
7#define _COMMON_H_
8
9#include <linux/crypto.h>
10#include <linux/types.h>
11#include <crypto/aes.h>
12#include <crypto/hash.h>
13
14/* key size in bytes */
15#define QCE_SHA_HMAC_KEY_SIZE 64
16#define QCE_MAX_CIPHER_KEY_SIZE AES_KEYSIZE_256
17
18/* IV length in bytes */
19#define QCE_AES_IV_LENGTH AES_BLOCK_SIZE
20/* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
21#define QCE_MAX_IV_SIZE AES_BLOCK_SIZE
22
23/* maximum nonce bytes */
24#define QCE_MAX_NONCE 16
25#define QCE_MAX_NONCE_WORDS (QCE_MAX_NONCE / sizeof(u32))
26
27/* burst size alignment requirement */
28#define QCE_MAX_ALIGN_SIZE 64
29
30/* cipher algorithms */
31#define QCE_ALG_DES BIT(0)
32#define QCE_ALG_3DES BIT(1)
33#define QCE_ALG_AES BIT(2)
34
35/* hash and hmac algorithms */
36#define QCE_HASH_SHA1 BIT(3)
37#define QCE_HASH_SHA256 BIT(4)
38#define QCE_HASH_SHA1_HMAC BIT(5)
39#define QCE_HASH_SHA256_HMAC BIT(6)
40#define QCE_HASH_AES_CMAC BIT(7)
41
42/* cipher modes */
43#define QCE_MODE_CBC BIT(8)
44#define QCE_MODE_ECB BIT(9)
45#define QCE_MODE_CTR BIT(10)
46#define QCE_MODE_XTS BIT(11)
47#define QCE_MODE_CCM BIT(12)
48#define QCE_MODE_MASK GENMASK(12, 8)
49
50/* cipher encryption/decryption operations */
51#define QCE_ENCRYPT BIT(13)
52#define QCE_DECRYPT BIT(14)
53
54#define IS_DES(flags) (flags & QCE_ALG_DES)
55#define IS_3DES(flags) (flags & QCE_ALG_3DES)
56#define IS_AES(flags) (flags & QCE_ALG_AES)
57
58#define IS_SHA1(flags) (flags & QCE_HASH_SHA1)
59#define IS_SHA256(flags) (flags & QCE_HASH_SHA256)
60#define IS_SHA1_HMAC(flags) (flags & QCE_HASH_SHA1_HMAC)
61#define IS_SHA256_HMAC(flags) (flags & QCE_HASH_SHA256_HMAC)
62#define IS_CMAC(flags) (flags & QCE_HASH_AES_CMAC)
63#define IS_SHA(flags) (IS_SHA1(flags) || IS_SHA256(flags))
64#define IS_SHA_HMAC(flags) \
65 (IS_SHA1_HMAC(flags) || IS_SHA256_HMAC(flags))
66
67#define IS_CBC(mode) (mode & QCE_MODE_CBC)
68#define IS_ECB(mode) (mode & QCE_MODE_ECB)
69#define IS_CTR(mode) (mode & QCE_MODE_CTR)
70#define IS_XTS(mode) (mode & QCE_MODE_XTS)
71#define IS_CCM(mode) (mode & QCE_MODE_CCM)
72
73#define IS_ENCRYPT(dir) (dir & QCE_ENCRYPT)
74#define IS_DECRYPT(dir) (dir & QCE_DECRYPT)
75
76struct qce_alg_template {
77 struct list_head entry;
78 u32 crypto_alg_type;
79 unsigned long alg_flags;
80 const u32 *std_iv;
81 union {
82 struct crypto_alg crypto;
83 struct ahash_alg ahash;
84 } alg;
85 struct qce_device *qce;
86};
87
88void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len);
89int qce_check_status(struct qce_device *qce, u32 *status);
90void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step);
91int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen,
92 u32 offset);
93
94#endif /* _COMMON_H_ */