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