1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
13 #include <rte_atomic.h>
14 #include <rte_byteorder.h>
17 #include <rte_spinlock.h>
18 #include <rte_crypto_sym.h>
19 #include <rte_cryptodev.h>
23 #define AES_BLOCK_SIZE 16
24 #define CMAC_PAD_VALUE 0x80
25 #define CTR_NONCE_SIZE 4
27 #define CCP_SHA3_CTX_SIZE 200
29 /**Macro helpers for CCP command creation*/
30 #define CCP_AES_SIZE(p) ((p)->aes.size)
31 #define CCP_AES_ENCRYPT(p) ((p)->aes.encrypt)
32 #define CCP_AES_MODE(p) ((p)->aes.mode)
33 #define CCP_AES_TYPE(p) ((p)->aes.type)
34 #define CCP_DES_ENCRYPT(p) ((p)->des.encrypt)
35 #define CCP_DES_MODE(p) ((p)->des.mode)
36 #define CCP_DES_TYPE(p) ((p)->des.type)
37 #define CCP_PT_BYTESWAP(p) ((p)->pt.byteswap)
38 #define CCP_PT_BITWISE(p) ((p)->pt.bitwise)
41 * CCP supported AES modes
58 enum ccp_aes_ghash_mode {
59 CCP_AES_MODE_GHASH_AAD = 0,
60 CCP_AES_MODE_GHASH_FINAL
64 * CCP supported AES types
73 /***** 3DES engine *****/
76 * CCP supported DES/3DES modes
79 CCP_DES_MODE_ECB = 0, /* Not supported */
85 * CCP supported DES types
88 CCP_DES_TYPE_128 = 0, /* 112 + 16 parity */
89 CCP_DES_TYPE_192, /* 168 + 24 parity */
93 /***** SHA engine *****/
96 * ccp_sha_type - type of SHA operation
98 * @CCP_SHA_TYPE_1: SHA-1 operation
99 * @CCP_SHA_TYPE_224: SHA-224 operation
100 * @CCP_SHA_TYPE_256: SHA-256 operation
118 * CCP supported cipher algorithms
120 enum ccp_cipher_algo {
121 CCP_CIPHER_ALGO_AES_CBC = 0,
122 CCP_CIPHER_ALGO_AES_ECB,
123 CCP_CIPHER_ALGO_AES_CTR,
124 CCP_CIPHER_ALGO_AES_GCM,
125 CCP_CIPHER_ALGO_3DES_CBC,
129 * CCP cipher operation type
131 enum ccp_cipher_dir {
132 CCP_CIPHER_DIR_DECRYPT = 0,
133 CCP_CIPHER_DIR_ENCRYPT = 1,
137 * CCP supported hash algorithms
140 CCP_AUTH_ALGO_SHA1 = 0,
141 CCP_AUTH_ALGO_SHA1_HMAC,
142 CCP_AUTH_ALGO_SHA224,
143 CCP_AUTH_ALGO_SHA224_HMAC,
144 CCP_AUTH_ALGO_SHA3_224,
145 CCP_AUTH_ALGO_SHA3_224_HMAC,
146 CCP_AUTH_ALGO_SHA256,
147 CCP_AUTH_ALGO_SHA256_HMAC,
148 CCP_AUTH_ALGO_SHA3_256,
149 CCP_AUTH_ALGO_SHA3_256_HMAC,
150 CCP_AUTH_ALGO_SHA384,
151 CCP_AUTH_ALGO_SHA384_HMAC,
152 CCP_AUTH_ALGO_SHA3_384,
153 CCP_AUTH_ALGO_SHA3_384_HMAC,
154 CCP_AUTH_ALGO_SHA512,
155 CCP_AUTH_ALGO_SHA512_HMAC,
156 CCP_AUTH_ALGO_SHA3_512,
157 CCP_AUTH_ALGO_SHA3_512_HMAC,
158 CCP_AUTH_ALGO_AES_CMAC,
159 CCP_AUTH_ALGO_AES_GCM,
160 #ifdef RTE_LIBRTE_PMD_CCP_CPU_AUTH
161 CCP_AUTH_ALGO_MD5_HMAC,
166 * CCP hash operation type
169 CCP_AUTH_OP_GENERATE = 0,
170 CCP_AUTH_OP_VERIFY = 1,
173 /* CCP crypto private session structure */
175 enum ccp_cmd_order cmd_id;
176 /**< chain order mode */
181 /**< IV parameters */
183 enum ccp_cipher_algo algo;
184 enum ccp_engine engine;
186 enum ccp_aes_mode aes_mode;
187 enum ccp_des_mode des_mode;
190 enum ccp_aes_type aes_type;
191 enum ccp_des_type des_type;
193 enum ccp_cipher_dir dir;
195 /**< max cipher key size 256 bits */
199 phys_addr_t key_phys;
200 /**AES-ctr nonce(4) iv(8) ctr*/
202 phys_addr_t nonce_phys;
204 /**< Cipher Parameters */
207 enum ccp_hash_algo algo;
208 enum ccp_engine engine;
210 enum ccp_aes_mode aes_mode;
213 enum ccp_sha_type sha_type;
214 enum ccp_aes_type aes_type;
218 /**< max hash key size 144 bytes (struct capabilties) */
220 /**< max be key size of AES is 32*/
222 phys_addr_t key_phys;
223 uint64_t digest_length;
228 /**< Buffer to store Software generated precomute values*/
229 /**< For HMAC H(ipad ^ key) and H(opad ^ key) */
230 /**< For CMAC K1 IV and K2 IV*/
231 uint8_t pre_compute[2 * CCP_SHA3_CTX_SIZE];
232 /**< SHA3 initial ctx all zeros*/
233 uint8_t sha3_ctx[200];
236 /**< Authentication Parameters */
237 enum rte_crypto_aead_algorithm aead_algo;
238 /**< AEAD Algorithm */
241 } __rte_cache_aligned;
243 extern uint8_t ccp_cryptodev_driver_id;
248 * Set and validate CCP crypto session parameters
250 * @param sess ccp private session
251 * @param xform crypto xform for this session
252 * @return 0 on success otherwise -1
254 int ccp_set_session_parameters(struct ccp_session *sess,
255 const struct rte_crypto_sym_xform *xform);
258 * Find count of slots
260 * @param session CCP private session
261 * @return count of free slots available
263 int ccp_compute_slot_count(struct ccp_session *session);
266 * process crypto ops to be enqueued
268 * @param qp CCP crypto queue-pair
269 * @param op crypto ops table
270 * @param cmd_q CCP cmd queue
271 * @param nb_ops No. of ops to be submitted
272 * @return 0 on success otherwise -1
274 int process_ops_to_enqueue(const struct ccp_qp *qp,
275 struct rte_crypto_op **op,
276 struct ccp_queue *cmd_q,
281 * process crypto ops to be dequeued
283 * @param qp CCP crypto queue-pair
284 * @param op crypto ops table
285 * @param nb_ops requested no. of ops
286 * @return 0 on success otherwise -1
288 int process_ops_to_dequeue(struct ccp_qp *qp,
289 struct rte_crypto_op **op,
292 #endif /* _CCP_CRYPTO_H_ */