1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2016-2018 Intel Corporation
3  */
4 
5 #ifndef _ZUC_PMD_PRIVATE_H_
6 #define _ZUC_PMD_PRIVATE_H_
7 
8 #include <intel-ipsec-mb.h>
9 
10 #define CRYPTODEV_NAME_ZUC_PMD		crypto_zuc
11 /**< ZUC PMD device name */
12 
13 /** ZUC PMD LOGTYPE DRIVER */
14 extern int zuc_logtype_driver;
15 #define ZUC_LOG(level, fmt, ...)  \
16 	rte_log(RTE_LOG_ ## level, zuc_logtype_driver,  \
17 			"%s()... line %u: " fmt "\n", __func__, __LINE__,  \
18 				## __VA_ARGS__)
19 
20 #define ZUC_IV_KEY_LENGTH 16
21 #define ZUC_DIGEST_LENGTH 4
22 
23 /** private data structure for each virtual ZUC device */
24 struct zuc_private {
25 	unsigned max_nb_queue_pairs;
26 	/**< Max number of queue pairs supported by device */
27 	MB_MGR *mb_mgr;
28 	/**< Multi-buffer instance */
29 };
30 
31 /** ZUC buffer queue pair */
32 struct zuc_qp {
33 	uint16_t id;
34 	/**< Queue Pair Identifier */
35 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
36 	/**< Unique Queue Pair Name */
37 	struct rte_ring *processed_ops;
38 	/**< Ring for placing processed ops */
39 	struct rte_mempool *sess_mp;
40 	/**< Session Mempool */
41 	struct rte_mempool *sess_mp_priv;
42 	/**< Session Private Data Mempool */
43 	struct rte_cryptodev_stats qp_stats;
44 	/**< Queue pair statistics */
45 	uint8_t temp_digest[ZUC_DIGEST_LENGTH];
46 	/**< Buffer used to store the digest generated
47 	 * by the driver when verifying a digest provided
48 	 * by the user (using authentication verify operation)
49 	 */
50 	MB_MGR *mb_mgr;
51 	/**< Multi-buffer instance */
52 } __rte_cache_aligned;
53 
54 enum zuc_operation {
55 	ZUC_OP_ONLY_CIPHER,
56 	ZUC_OP_ONLY_AUTH,
57 	ZUC_OP_CIPHER_AUTH,
58 	ZUC_OP_AUTH_CIPHER,
59 	ZUC_OP_NOT_SUPPORTED
60 };
61 
62 /** ZUC private session structure */
63 struct zuc_session {
64 	enum zuc_operation op;
65 	enum rte_crypto_auth_operation auth_op;
66 	uint8_t pKey_cipher[ZUC_IV_KEY_LENGTH];
67 	uint8_t pKey_hash[ZUC_IV_KEY_LENGTH];
68 	uint16_t cipher_iv_offset;
69 	uint16_t auth_iv_offset;
70 } __rte_cache_aligned;
71 
72 
73 extern int
74 zuc_set_session_parameters(struct zuc_session *sess,
75 		const struct rte_crypto_sym_xform *xform);
76 
77 
78 /** device specific operations function pointer structure */
79 extern struct rte_cryptodev_ops *rte_zuc_pmd_ops;
80 
81 
82 
83 #endif /* _ZUC_PMD_PRIVATE_H_ */
84