105 lines · c
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 51218 19/* key size in bytes */20#define QCE_SHA_HMAC_KEY_SIZE 6421#define QCE_MAX_CIPHER_KEY_SIZE AES_KEYSIZE_25622 23/* IV length in bytes */24#define QCE_AES_IV_LENGTH AES_BLOCK_SIZE25/* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */26#define QCE_MAX_IV_SIZE AES_BLOCK_SIZE27 28/* maximum nonce bytes */29#define QCE_MAX_NONCE 1630#define QCE_MAX_NONCE_WORDS (QCE_MAX_NONCE / sizeof(u32))31 32/* burst size alignment requirement */33#define QCE_MAX_ALIGN_SIZE 6434 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_ */105