1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
5 #ifndef _ARMV8_PMD_PRIVATE_H_
6 #define _ARMV8_PMD_PRIVATE_H_
8 #include "AArch64cryptolib.h"
10 #define CRYPTODEV_NAME_ARMV8_PMD crypto_armv8
11 /**< ARMv8 Crypto PMD device name */
13 #define ARMV8_CRYPTO_LOG_ERR(fmt, args...) \
14 RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
15 RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
16 __func__, __LINE__, ## args)
18 #define ARMV8_CRYPTO_LOG_INFO(fmt, args...) \
19 RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
20 RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
21 __func__, __LINE__, ## args)
23 #define ARMV8_CRYPTO_LOG_DBG(fmt, args...) \
24 RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
25 RTE_STR(CRYPTODEV_NAME_ARMV8_CRYPTO_PMD), \
26 __func__, __LINE__, ## args)
28 #define ARMV8_CRYPTO_ASSERT(con) \
31 rte_panic("condition failed, line %u", \
36 #define NBBY 8 /* Number of bits in a byte */
37 #define BYTE_LENGTH(x) ((x) / NBBY) /* Number of bytes in x (round down) */
39 /* Maximum length for digest (SHA-256 needs 32 bytes) */
40 #define DIGEST_LENGTH_MAX 32
42 /** ARMv8 operation order mode enumerator */
43 enum armv8_crypto_chain_order {
44 ARMV8_CRYPTO_CHAIN_CIPHER_AUTH,
45 ARMV8_CRYPTO_CHAIN_AUTH_CIPHER,
46 ARMV8_CRYPTO_CHAIN_NOT_SUPPORTED,
47 ARMV8_CRYPTO_CHAIN_LIST_END = ARMV8_CRYPTO_CHAIN_NOT_SUPPORTED
50 /** ARMv8 cipher operation enumerator */
51 enum armv8_crypto_cipher_operation {
52 ARMV8_CRYPTO_CIPHER_OP_ENCRYPT = RTE_CRYPTO_CIPHER_OP_ENCRYPT,
53 ARMV8_CRYPTO_CIPHER_OP_DECRYPT = RTE_CRYPTO_CIPHER_OP_DECRYPT,
54 ARMV8_CRYPTO_CIPHER_OP_NOT_SUPPORTED,
55 ARMV8_CRYPTO_CIPHER_OP_LIST_END = ARMV8_CRYPTO_CIPHER_OP_NOT_SUPPORTED
58 enum armv8_crypto_cipher_keylen {
59 ARMV8_CRYPTO_CIPHER_KEYLEN_128,
60 ARMV8_CRYPTO_CIPHER_KEYLEN_192,
61 ARMV8_CRYPTO_CIPHER_KEYLEN_256,
62 ARMV8_CRYPTO_CIPHER_KEYLEN_NOT_SUPPORTED,
63 ARMV8_CRYPTO_CIPHER_KEYLEN_LIST_END =
64 ARMV8_CRYPTO_CIPHER_KEYLEN_NOT_SUPPORTED
67 /** ARMv8 auth mode enumerator */
68 enum armv8_crypto_auth_mode {
69 ARMV8_CRYPTO_AUTH_AS_AUTH,
70 ARMV8_CRYPTO_AUTH_AS_HMAC,
71 ARMV8_CRYPTO_AUTH_AS_CIPHER,
72 ARMV8_CRYPTO_AUTH_NOT_SUPPORTED,
73 ARMV8_CRYPTO_AUTH_LIST_END = ARMV8_CRYPTO_AUTH_NOT_SUPPORTED
76 #define CRYPTO_ORDER_MAX ARMV8_CRYPTO_CHAIN_LIST_END
77 #define CRYPTO_CIPHER_OP_MAX ARMV8_CRYPTO_CIPHER_OP_LIST_END
78 #define CRYPTO_CIPHER_KEYLEN_MAX ARMV8_CRYPTO_CIPHER_KEYLEN_LIST_END
79 #define CRYPTO_CIPHER_MAX RTE_CRYPTO_CIPHER_LIST_END
80 #define CRYPTO_AUTH_MAX RTE_CRYPTO_AUTH_LIST_END
82 #define HMAC_IPAD_VALUE (0x36)
83 #define HMAC_OPAD_VALUE (0x5C)
85 #define SHA256_AUTH_KEY_LENGTH (BYTE_LENGTH(256))
86 #define SHA256_BLOCK_SIZE (BYTE_LENGTH(512))
88 #define SHA1_AUTH_KEY_LENGTH (BYTE_LENGTH(160))
89 #define SHA1_BLOCK_SIZE (BYTE_LENGTH(512))
91 #define SHA_AUTH_KEY_MAX SHA256_AUTH_KEY_LENGTH
92 #define SHA_BLOCK_MAX SHA256_BLOCK_SIZE
94 typedef int (*crypto_func_t)(uint8_t *, uint8_t *, uint64_t,
95 uint8_t *, uint8_t *, uint64_t,
96 armv8_cipher_digest_t *);
98 typedef void (*crypto_key_sched_t)(uint8_t *, const uint8_t *);
100 /** private data structure for each ARMv8 crypto device */
101 struct armv8_crypto_private {
102 unsigned int max_nb_qpairs;
103 /**< Max number of queue pairs */
106 /** ARMv8 crypto queue pair */
107 struct armv8_crypto_qp {
109 /**< Queue Pair Identifier */
110 struct rte_ring *processed_ops;
111 /**< Ring for placing process packets */
112 struct rte_mempool *sess_mp;
113 /**< Session Mempool */
114 struct rte_mempool *sess_mp_priv;
115 /**< Session Private Data Mempool */
116 struct rte_cryptodev_stats stats;
117 /**< Queue pair statistics */
118 char name[RTE_CRYPTODEV_NAME_MAX_LEN];
119 /**< Unique Queue Pair Name */
120 uint8_t temp_digest[DIGEST_LENGTH_MAX];
121 /**< Buffer used to store the digest generated
122 * by the driver when verifying a digest provided
123 * by the user (using authentication verify operation)
125 } __rte_cache_aligned;
127 /** ARMv8 crypto private session structure */
128 struct armv8_crypto_session {
129 enum armv8_crypto_chain_order chain_order;
130 /**< chain order mode */
131 crypto_func_t crypto_func;
132 /**< cryptographic function to use for this session */
134 /** Cipher Parameters */
136 enum rte_crypto_cipher_operation direction;
137 /**< cipher operation direction */
138 enum rte_crypto_cipher_algorithm algo;
139 /**< cipher algorithm */
144 /**< IV parameters */
150 /**< key length in bytes */
153 crypto_key_sched_t key_sched;
154 /**< Key schedule function */
157 /** Authentication Parameters */
159 enum rte_crypto_auth_operation operation;
160 /**< auth operation generate or verify */
161 enum armv8_crypto_auth_mode mode;
162 /**< auth operation mode */
166 /* Add data if needed */
170 uint8_t i_key_pad[SHA_BLOCK_MAX]
172 /**< inner pad (max supported block length) */
173 uint8_t o_key_pad[SHA_BLOCK_MAX]
175 /**< outer pad (max supported block length) */
176 uint8_t key[SHA_BLOCK_MAX];
177 /**< HMAC key (max supported block length)*/
180 uint16_t digest_length;
184 } __rte_cache_aligned;
186 /** Set and validate ARMv8 crypto session parameters */
187 extern int armv8_crypto_set_session_parameters(
188 struct armv8_crypto_session *sess,
189 const struct rte_crypto_sym_xform *xform);
191 /** device specific operations function pointer structure */
192 extern struct rte_cryptodev_ops *rte_armv8_crypto_pmd_ops;
194 #endif /* _ARMV8_PMD_PRIVATE_H_ */