1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2021 NVIDIA Corporation & Affiliates
10 #include <rte_cryptodev.h>
11 #include <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
19 #define MLX5_CRYPTO_UMR_WQE_STATIC_SIZE (sizeof(struct mlx5_wqe_cseg) +\
20 sizeof(struct mlx5_wqe_umr_cseg) +\
21 sizeof(struct mlx5_wqe_mkey_cseg) +\
22 sizeof(struct mlx5_wqe_umr_bsf_seg))
23 #define MLX5_CRYPTO_KLM_SEGS_NUM(umr_wqe_sz) ((umr_wqe_sz -\
24 MLX5_CRYPTO_UMR_WQE_STATIC_SIZE) /\
27 struct mlx5_crypto_priv {
28 TAILQ_ENTRY(mlx5_crypto_priv) next;
29 struct mlx5_common_device *cdev; /* Backend mlx5 device. */
30 struct rte_cryptodev *crypto_dev;
31 struct mlx5_uar uar; /* User Access Region. */
32 uint32_t max_segs_num; /* Maximum supported data segs. */
33 struct mlx5_hlist *dek_hlist; /* Dek hash list. */
34 struct rte_cryptodev_config dev_config;
35 struct mlx5_devx_obj *login_obj;
37 uint16_t wqe_set_size;
38 uint16_t umr_wqe_size;
39 uint16_t umr_wqe_stride;
40 uint16_t max_rdmar_ds;
43 struct mlx5_crypto_qp {
44 struct mlx5_crypto_priv *priv;
45 struct mlx5_devx_cq cq_obj;
46 struct mlx5_devx_qp qp_obj;
47 struct rte_cryptodev_stats stats;
48 struct rte_crypto_op **ops;
49 struct mlx5_devx_obj **mkey; /* WQE's indirect mekys. */
50 struct mlx5_mr_ctrl mr_ctrl;
58 struct mlx5_crypto_dek {
59 struct mlx5_list_entry entry; /* Pointer to DEK hash list entry. */
60 struct mlx5_devx_obj *obj; /* Pointer to DEK DevX object. */
61 uint8_t data[MLX5_CRYPTO_KEY_LENGTH]; /* DEK key data. */
62 bool size_is_48; /* Whether the key\data size is 48 bytes or not. */
63 } __rte_cache_aligned;
65 struct mlx5_crypto_devarg_params {
67 struct mlx5_devx_crypto_login_attr login_attr;
69 uint32_t max_segs_num;
73 mlx5_crypto_dek_destroy(struct mlx5_crypto_priv *priv,
74 struct mlx5_crypto_dek *dek);
76 struct mlx5_crypto_dek *
77 mlx5_crypto_dek_prepare(struct mlx5_crypto_priv *priv,
78 struct rte_crypto_cipher_xform *cipher);
81 mlx5_crypto_dek_setup(struct mlx5_crypto_priv *priv);
84 mlx5_crypto_dek_unset(struct mlx5_crypto_priv *priv);
86 #endif /* MLX5_CRYPTO_H_ */