1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
3 
4 #ifndef __MLX5_LIB_CRYPTO_H__
5 #define __MLX5_LIB_CRYPTO_H__
6 
7 enum {
8 	MLX5_ACCEL_OBJ_TLS_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_TLS,
9 	MLX5_ACCEL_OBJ_IPSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_IPSEC,
10 	MLX5_ACCEL_OBJ_MACSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_PURPOSE_MACSEC,
11 	MLX5_ACCEL_OBJ_TYPE_KEY_NUM,
12 };
13 
14 int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
15 			       const void *key, u32 sz_bytes,
16 			       u32 key_type, u32 *p_key_id);
17 
18 void mlx5_destroy_encryption_key(struct mlx5_core_dev *mdev, u32 key_id);
19 
20 struct mlx5_crypto_dek_pool;
21 struct mlx5_crypto_dek;
22 
23 struct mlx5_crypto_dek_pool *mlx5_crypto_dek_pool_create(struct mlx5_core_dev *mdev,
24 							 int key_purpose);
25 void mlx5_crypto_dek_pool_destroy(struct mlx5_crypto_dek_pool *pool);
26 struct mlx5_crypto_dek *mlx5_crypto_dek_create(struct mlx5_crypto_dek_pool *dek_pool,
27 					       const void *key, u32 sz_bytes);
28 void mlx5_crypto_dek_destroy(struct mlx5_crypto_dek_pool *dek_pool,
29 			     struct mlx5_crypto_dek *dek);
30 u32 mlx5_crypto_dek_get_id(struct mlx5_crypto_dek *dek);
31 
32 struct mlx5_crypto_dek_priv *mlx5_crypto_dek_init(struct mlx5_core_dev *mdev);
33 void mlx5_crypto_dek_cleanup(struct mlx5_crypto_dek_priv *dek_priv);
34 #endif /* __MLX5_LIB_CRYPTO_H__ */
35