1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2020 Mellanox Technologies, Ltd 3 */ 4 5 #ifndef MLX5_REGEX_H 6 #define MLX5_REGEX_H 7 8 #include <rte_regexdev.h> 9 10 #include <infiniband/verbs.h> 11 #include <infiniband/mlx5dv.h> 12 13 #include <mlx5_common.h> 14 #include <mlx5_common_mr.h> 15 #include <mlx5_common_devx.h> 16 17 #include "mlx5_rxp.h" 18 19 struct mlx5_regex_sq { 20 uint16_t log_nb_desc; /* Log 2 number of desc for this object. */ 21 struct mlx5_devx_obj *obj; /* The SQ DevX object. */ 22 int64_t dbr_offset; /* Door bell record offset. */ 23 uint32_t dbr_umem; /* Door bell record umem id. */ 24 uint8_t *wqe; /* The SQ ring buffer. */ 25 struct mlx5dv_devx_umem *wqe_umem; /* SQ buffer umem. */ 26 size_t pi, db_pi; 27 size_t ci; 28 uint32_t sqn; 29 uint32_t *dbr; 30 }; 31 32 struct mlx5_regex_cq { 33 uint32_t log_nb_desc; /* Log 2 number of desc for this object. */ 34 struct mlx5_devx_cq cq_obj; /* The CQ DevX object. */ 35 size_t ci; 36 }; 37 38 struct mlx5_regex_qp { 39 uint32_t flags; /* QP user flags. */ 40 uint32_t nb_desc; /* Total number of desc for this qp. */ 41 struct mlx5_regex_sq *sqs; /* Pointer to sq array. */ 42 uint16_t nb_obj; /* Number of sq objects. */ 43 struct mlx5_regex_cq cq; /* CQ struct. */ 44 uint32_t free_sqs; 45 struct mlx5_regex_job *jobs; 46 struct ibv_mr *metadata; 47 struct ibv_mr *outputs; 48 size_t ci, pi; 49 struct mlx5_mr_ctrl mr_ctrl; 50 }; 51 52 struct mlx5_regex_db { 53 void *ptr; /* Pointer to the db memory. */ 54 uint32_t len; /* The memory len. */ 55 bool active; /* Active flag. */ 56 uint8_t db_assigned_to_eng_num; 57 /**< To which engine the db is connected. */ 58 struct mlx5_regex_umem umem; 59 /**< The umem struct. */ 60 }; 61 62 struct mlx5_regex_priv { 63 TAILQ_ENTRY(mlx5_regex_priv) next; 64 struct ibv_context *ctx; /* Device context. */ 65 struct rte_pci_device *pci_dev; 66 struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */ 67 uint16_t nb_queues; /* Number of queues. */ 68 struct mlx5_regex_qp *qps; /* Pointer to the qp array. */ 69 uint16_t nb_max_matches; /* Max number of matches. */ 70 enum mlx5_rxp_program_mode prog_mode; 71 struct mlx5_regex_db db[MLX5_RXP_MAX_ENGINES + 72 MLX5_RXP_EM_COUNT]; 73 uint32_t nb_engines; /* Number of RegEx engines. */ 74 struct mlx5dv_devx_uar *uar; /* UAR object. */ 75 struct ibv_pd *pd; 76 struct mlx5_dbr_page_list dbrpgs; /* Door-bell pages. */ 77 struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */ 78 }; 79 80 /* mlx5_regex.c */ 81 int mlx5_regex_start(struct rte_regexdev *dev); 82 int mlx5_regex_stop(struct rte_regexdev *dev); 83 int mlx5_regex_close(struct rte_regexdev *dev); 84 85 /* mlx5_rxp.c */ 86 int mlx5_regex_info_get(struct rte_regexdev *dev, 87 struct rte_regexdev_info *info); 88 int mlx5_regex_configure(struct rte_regexdev *dev, 89 const struct rte_regexdev_config *cfg); 90 int mlx5_regex_rules_db_import(struct rte_regexdev *dev, 91 const char *rule_db, uint32_t rule_db_len); 92 93 /* mlx5_regex_devx.c */ 94 int mlx5_devx_regex_register_write(struct ibv_context *ctx, int engine_id, 95 uint32_t addr, uint32_t data); 96 int mlx5_devx_regex_register_read(struct ibv_context *ctx, int engine_id, 97 uint32_t addr, uint32_t *data); 98 int mlx5_devx_regex_database_stop(void *ctx, uint8_t engine); 99 int mlx5_devx_regex_database_resume(void *ctx, uint8_t engine); 100 int mlx5_devx_regex_database_program(void *ctx, uint8_t engine, 101 uint32_t umem_id, uint64_t umem_offset); 102 103 /* mlx5_regex_control.c */ 104 int mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind, 105 const struct rte_regexdev_qp_conf *cfg); 106 107 /* mlx5_regex_fastpath.c */ 108 int mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id); 109 void mlx5_regexdev_teardown_fastpath(struct mlx5_regex_priv *priv, 110 uint32_t qp_id); 111 uint16_t mlx5_regexdev_enqueue(struct rte_regexdev *dev, uint16_t qp_id, 112 struct rte_regex_ops **ops, uint16_t nb_ops); 113 uint16_t mlx5_regexdev_dequeue(struct rte_regexdev *dev, uint16_t qp_id, 114 struct rte_regex_ops **ops, uint16_t nb_ops); 115 116 #endif /* MLX5_REGEX_H */ 117