projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 97fb5e8d | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| ec8f5d8f SV |
2 | /* |
| 3 | * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. | |
| ec8f5d8f SV |
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 | ||
| 76 | struct qce_alg_template { | |
| 77 | struct list_head entry; | |
| 78 | u32 crypto_alg_type; | |
| 79 | unsigned long alg_flags; | |
| 58a6535f | 80 | const u32 *std_iv; |
| ec8f5d8f SV |
81 | union { |
| 82 | struct crypto_alg crypto; | |
| 83 | struct ahash_alg ahash; | |
| 84 | } alg; | |
| 85 | struct qce_device *qce; | |
| 86 | }; | |
| 87 | ||
| 88 | void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len); | |
| 89 | int qce_check_status(struct qce_device *qce, u32 *status); | |
| 90 | void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step); | |
| 91 | int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen, | |
| 92 | u32 offset); | |
| 93 | ||
| 94 | #endif /* _COMMON_H_ */ |