1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2021 NVIDIA Corporation & Affiliates
10 #include <rte_cryptodev.h>
11 #include <rte_cryptodev_pmd.h>
13 #include <mlx5_common_utils.h>
14 #include <mlx5_common_devx.h>
15 #include <mlx5_common_mr.h>
17 #define MLX5_CRYPTO_DEK_HTABLE_SZ (1 << 11)
18 #define MLX5_CRYPTO_KEY_LENGTH 80
20 struct mlx5_crypto_priv {
21 TAILQ_ENTRY(mlx5_crypto_priv) next;
22 struct ibv_context *ctx; /* Device context. */
23 struct rte_cryptodev *crypto_dev;
24 void *uar; /* User Access Region. */
25 volatile uint64_t *uar_addr;
26 uint32_t pdn; /* Protection Domain number. */
27 uint32_t max_segs_num; /* Maximum supported data segs. */
29 struct mlx5_hlist *dek_hlist; /* Dek hash list. */
30 struct rte_cryptodev_config dev_config;
31 struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
32 struct mlx5_devx_obj *login_obj;
34 uint16_t wqe_set_size;
35 uint16_t umr_wqe_size;
36 uint16_t umr_wqe_stride;
37 uint16_t max_rdmar_ds;
39 rte_spinlock_t uar32_sl;
40 #endif /* RTE_ARCH_64 */
43 struct mlx5_crypto_qp {
44 struct mlx5_crypto_priv *priv;
45 struct mlx5_devx_cq cq_obj;
46 struct mlx5_devx_obj *qp_obj;
47 struct rte_cryptodev_stats stats;
48 struct mlx5dv_devx_umem *umem_obj;
50 volatile uint32_t *db_rec;
51 struct rte_crypto_op **ops;
52 struct mlx5_devx_obj **mkey; /* WQE's indirect mekys. */
53 struct mlx5_mr_ctrl mr_ctrl;
61 struct mlx5_crypto_dek {
62 struct mlx5_list_entry entry; /* Pointer to DEK hash list entry. */
63 struct mlx5_devx_obj *obj; /* Pointer to DEK DevX object. */
64 uint8_t data[MLX5_CRYPTO_KEY_LENGTH]; /* DEK key data. */
65 bool size_is_48; /* Whether the key\data size is 48 bytes or not. */
66 } __rte_cache_aligned;
68 struct mlx5_crypto_devarg_params {
70 struct mlx5_devx_crypto_login_attr login_attr;
72 uint32_t max_segs_num;
76 mlx5_crypto_dek_destroy(struct mlx5_crypto_priv *priv,
77 struct mlx5_crypto_dek *dek);
79 struct mlx5_crypto_dek *
80 mlx5_crypto_dek_prepare(struct mlx5_crypto_priv *priv,
81 struct rte_crypto_cipher_xform *cipher);
84 mlx5_crypto_dek_setup(struct mlx5_crypto_priv *priv);
87 mlx5_crypto_dek_unset(struct mlx5_crypto_priv *priv);
89 #endif /* MLX5_CRYPTO_H_ */