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>
15 #define MLX5_CRYPTO_DEK_HTABLE_SZ (1 << 11)
16 #define MLX5_CRYPTO_KEY_LENGTH 80
18 struct mlx5_crypto_priv {
19 TAILQ_ENTRY(mlx5_crypto_priv) next;
20 struct ibv_context *ctx; /* Device context. */
21 struct rte_pci_device *pci_dev;
22 struct rte_cryptodev *crypto_dev;
23 void *uar; /* User Access Region. */
24 uint32_t pdn; /* Protection Domain number. */
26 struct mlx5_hlist *dek_hlist; /* Dek hash list. */
29 struct mlx5_crypto_dek {
30 struct mlx5_list_entry entry; /* Pointer to DEK hash list entry. */
31 struct mlx5_devx_obj *obj; /* Pointer to DEK DevX object. */
32 uint8_t data[MLX5_CRYPTO_KEY_LENGTH]; /* DEK key data. */
33 bool size_is_48; /* Whether the key\data size is 48 bytes or not. */
34 } __rte_cache_aligned;
37 mlx5_crypto_dek_destroy(struct mlx5_crypto_priv *priv,
38 struct mlx5_crypto_dek *dek);
40 struct mlx5_crypto_dek *
41 mlx5_crypto_dek_prepare(struct mlx5_crypto_priv *priv,
42 struct rte_crypto_cipher_xform *cipher);
45 mlx5_crypto_dek_setup(struct mlx5_crypto_priv *priv);
48 mlx5_crypto_dek_unset(struct mlx5_crypto_priv *priv);
50 #endif /* MLX5_CRYPTO_H_ */