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 #include "mlx5_regex_utils.h" 19 20 struct mlx5_regex_hw_qp { 21 uint16_t log_nb_desc; /* Log 2 number of desc for this object. */ 22 struct mlx5_devx_qp qp_obj; /* The QP DevX object. */ 23 size_t pi, db_pi; 24 size_t ci; 25 uint32_t qpn; 26 }; 27 28 struct mlx5_regex_cq { 29 uint32_t log_nb_desc; /* Log 2 number of desc for this object. */ 30 struct mlx5_devx_cq cq_obj; /* The CQ DevX object. */ 31 size_t ci; 32 }; 33 34 struct mlx5_regex_qp { 35 uint32_t flags; /* QP user flags. */ 36 uint32_t nb_desc; /* Total number of desc for this qp. */ 37 struct mlx5_regex_hw_qp *qps; /* Pointer to qp array. */ 38 uint16_t nb_obj; /* Number of qp objects. */ 39 struct mlx5_regex_cq cq; /* CQ struct. */ 40 uint64_t free_qps; 41 struct mlx5_regex_job *jobs; 42 struct ibv_mr *metadata; 43 struct ibv_mr *outputs; 44 struct ibv_mr *imkey_addr; /* Indirect mkey array region. */ 45 size_t ci, pi; 46 struct mlx5_mr_ctrl mr_ctrl; 47 }; 48 49 struct mlx5_regex_priv { 50 TAILQ_ENTRY(mlx5_regex_priv) next; 51 struct mlx5_common_device *cdev; /* Backend mlx5 device. */ 52 struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */ 53 uint16_t nb_queues; /* Number of queues. */ 54 struct mlx5_regex_qp *qps; /* Pointer to the qp array. */ 55 uint16_t nb_max_matches; /* Max number of matches. */ 56 enum mlx5_rxp_program_mode prog_mode; 57 uint32_t nb_engines; /* Number of RegEx engines. */ 58 struct mlx5_uar uar; /* UAR object. */ 59 uint8_t is_bf2; /* The device is BF2 device. */ 60 uint8_t has_umr; /* The device supports UMR. */ 61 uint32_t mmo_regex_qp_cap:1; 62 uint32_t mmo_regex_sq_cap:1; 63 }; 64 65 /* mlx5_regex.c */ 66 int mlx5_regex_start(struct rte_regexdev *dev); 67 int mlx5_regex_stop(struct rte_regexdev *dev); 68 int mlx5_regex_close(struct rte_regexdev *dev); 69 70 /* mlx5_rxp.c */ 71 int mlx5_regex_info_get(struct rte_regexdev *dev, 72 struct rte_regexdev_info *info); 73 int mlx5_regex_configure(struct rte_regexdev *dev, 74 const struct rte_regexdev_config *cfg); 75 int mlx5_regex_rules_db_import(struct rte_regexdev *dev, 76 const char *rule_db, uint32_t rule_db_len); 77 int mlx5_regex_check_rof_version(uint32_t combined_rof_version); 78 int mlx5_regex_parse_rules_db(struct mlx5_regex_priv *priv, 79 const char **rule_db, uint32_t *rule_db_len); 80 int mlx5_regex_get_rxp_vers(uint32_t regexp_version, uint32_t *target_rxp_vers); 81 82 /* mlx5_regex_devx.c */ 83 int mlx5_devx_regex_rules_program(void *ctx, uint8_t engine, uint32_t rof_mkey, 84 uint32_t rof_size, uint64_t db_mkey_offset); 85 86 /* mlx5_regex_control.c */ 87 int mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind, 88 const struct rte_regexdev_qp_conf *cfg); 89 void mlx5_regex_clean_ctrl(struct rte_regexdev *dev); 90 91 /* mlx5_regex_fastpath.c */ 92 int mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id); 93 void mlx5_regexdev_teardown_fastpath(struct mlx5_regex_priv *priv, 94 uint32_t qp_id); 95 uint16_t mlx5_regexdev_enqueue(struct rte_regexdev *dev, uint16_t qp_id, 96 struct rte_regex_ops **ops, uint16_t nb_ops); 97 uint16_t mlx5_regexdev_dequeue(struct rte_regexdev *dev, uint16_t qp_id, 98 struct rte_regex_ops **ops, uint16_t nb_ops); 99 uint16_t mlx5_regexdev_enqueue_gga(struct rte_regexdev *dev, uint16_t qp_id, 100 struct rte_regex_ops **ops, uint16_t nb_ops); 101 uint16_t mlx5_regexdev_max_segs_get(void); 102 103 #endif /* MLX5_REGEX_H */ 104