1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 2021 NVIDIA Corporation & Affiliates 3 */ 4 5 #ifndef MLX5_CRYPTO_H_ 6 #define MLX5_CRYPTO_H_ 7 8 #include <stdbool.h> 9 10 #include <rte_cryptodev.h> 11 #include <cryptodev_pmd.h> 12 13 #include <mlx5_common_utils.h> 14 #include <mlx5_common_devx.h> 15 #include <mlx5_common_mr.h> 16 17 #define MLX5_CRYPTO_DEK_HTABLE_SZ (1 << 11) 18 #define MLX5_CRYPTO_KEY_LENGTH 80 19 20 struct mlx5_crypto_priv { 21 TAILQ_ENTRY(mlx5_crypto_priv) next; 22 struct mlx5_common_device *cdev; /* Backend mlx5 device. */ 23 struct rte_cryptodev *crypto_dev; 24 void *uar; /* User Access Region. */ 25 volatile uint64_t *uar_addr; 26 uint32_t max_segs_num; /* Maximum supported data segs. */ 27 struct mlx5_hlist *dek_hlist; /* Dek hash list. */ 28 struct rte_cryptodev_config dev_config; 29 struct mlx5_devx_obj *login_obj; 30 uint64_t keytag; 31 uint16_t wqe_set_size; 32 uint16_t umr_wqe_size; 33 uint16_t umr_wqe_stride; 34 uint16_t max_rdmar_ds; 35 #ifndef RTE_ARCH_64 36 rte_spinlock_t uar32_sl; 37 #endif /* RTE_ARCH_64 */ 38 }; 39 40 struct mlx5_crypto_qp { 41 struct mlx5_crypto_priv *priv; 42 struct mlx5_devx_cq cq_obj; 43 struct mlx5_devx_qp qp_obj; 44 struct rte_cryptodev_stats stats; 45 struct rte_crypto_op **ops; 46 struct mlx5_devx_obj **mkey; /* WQE's indirect mekys. */ 47 struct mlx5_mr_ctrl mr_ctrl; 48 uint8_t *wqe; 49 uint16_t entries_n; 50 uint16_t pi; 51 uint16_t ci; 52 uint16_t db_pi; 53 }; 54 55 struct mlx5_crypto_dek { 56 struct mlx5_list_entry entry; /* Pointer to DEK hash list entry. */ 57 struct mlx5_devx_obj *obj; /* Pointer to DEK DevX object. */ 58 uint8_t data[MLX5_CRYPTO_KEY_LENGTH]; /* DEK key data. */ 59 bool size_is_48; /* Whether the key\data size is 48 bytes or not. */ 60 } __rte_cache_aligned; 61 62 struct mlx5_crypto_devarg_params { 63 bool login_devarg; 64 struct mlx5_devx_crypto_login_attr login_attr; 65 uint64_t keytag; 66 uint32_t max_segs_num; 67 }; 68 69 int 70 mlx5_crypto_dek_destroy(struct mlx5_crypto_priv *priv, 71 struct mlx5_crypto_dek *dek); 72 73 struct mlx5_crypto_dek * 74 mlx5_crypto_dek_prepare(struct mlx5_crypto_priv *priv, 75 struct rte_crypto_cipher_xform *cipher); 76 77 int 78 mlx5_crypto_dek_setup(struct mlx5_crypto_priv *priv); 79 80 void 81 mlx5_crypto_dek_unset(struct mlx5_crypto_priv *priv); 82 83 #endif /* MLX5_CRYPTO_H_ */ 84