1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2020 Mellanox Technologies, Ltd
8 #include <rte_regexdev.h>
10 #include <infiniband/verbs.h>
11 #include <infiniband/mlx5dv.h>
13 #include <mlx5_common.h>
14 #include <mlx5_common_mr.h>
18 struct mlx5_regex_sq {
19 uint16_t log_nb_desc; /* Log 2 number of desc for this object. */
20 struct mlx5_devx_obj *obj; /* The SQ DevX object. */
21 int64_t dbr_offset; /* Door bell record offset. */
22 uint32_t dbr_umem; /* Door bell record umem id. */
23 uint8_t *wqe; /* The SQ ring buffer. */
24 struct mlx5dv_devx_umem *wqe_umem; /* SQ buffer umem. */
31 struct mlx5_regex_cq {
32 uint32_t log_nb_desc; /* Log 2 number of desc for this object. */
33 struct mlx5_devx_obj *obj; /* The CQ DevX object. */
34 int64_t dbr_offset; /* Door bell record offset. */
35 uint32_t dbr_umem; /* Door bell record umem id. */
36 volatile struct mlx5_cqe *cqe; /* The CQ ring buffer. */
37 struct mlx5dv_devx_umem *cqe_umem; /* CQ buffer umem. */
42 struct mlx5_regex_qp {
43 uint32_t flags; /* QP user flags. */
44 uint32_t nb_desc; /* Total number of desc for this qp. */
45 struct mlx5_regex_sq *sqs; /* Pointer to sq array. */
46 uint16_t nb_obj; /* Number of sq objects. */
47 struct mlx5_regex_cq cq; /* CQ struct. */
49 struct mlx5_regex_job *jobs;
50 struct ibv_mr *metadata;
51 struct ibv_mr *outputs;
53 struct mlx5_mr_ctrl mr_ctrl;
56 struct mlx5_regex_db {
57 void *ptr; /* Pointer to the db memory. */
58 uint32_t len; /* The memory len. */
59 bool active; /* Active flag. */
60 uint8_t db_assigned_to_eng_num;
61 /**< To which engine the db is connected. */
62 struct mlx5_regex_umem umem;
63 /**< The umem struct. */
66 struct mlx5_regex_priv {
67 TAILQ_ENTRY(mlx5_regex_priv) next;
68 struct ibv_context *ctx; /* Device context. */
69 struct rte_pci_device *pci_dev;
70 struct rte_regexdev *regexdev; /* Pointer to the RegEx dev. */
71 uint16_t nb_queues; /* Number of queues. */
72 struct mlx5_regex_qp *qps; /* Pointer to the qp array. */
73 uint16_t nb_max_matches; /* Max number of matches. */
74 enum mlx5_rxp_program_mode prog_mode;
75 struct mlx5_regex_db db[MLX5_RXP_MAX_ENGINES +
77 uint32_t nb_engines; /* Number of RegEx engines. */
78 uint32_t eqn; /* EQ number. */
79 struct mlx5dv_devx_uar *uar; /* UAR object. */
81 struct mlx5_dbr_page_list dbrpgs; /* Door-bell pages. */
82 struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
86 int mlx5_regex_start(struct rte_regexdev *dev);
87 int mlx5_regex_stop(struct rte_regexdev *dev);
88 int mlx5_regex_close(struct rte_regexdev *dev);
91 int mlx5_regex_info_get(struct rte_regexdev *dev,
92 struct rte_regexdev_info *info);
93 int mlx5_regex_configure(struct rte_regexdev *dev,
94 const struct rte_regexdev_config *cfg);
95 int mlx5_regex_rules_db_import(struct rte_regexdev *dev,
96 const char *rule_db, uint32_t rule_db_len);
98 /* mlx5_regex_devx.c */
99 int mlx5_devx_regex_register_write(struct ibv_context *ctx, int engine_id,
100 uint32_t addr, uint32_t data);
101 int mlx5_devx_regex_register_read(struct ibv_context *ctx, int engine_id,
102 uint32_t addr, uint32_t *data);
103 int mlx5_devx_regex_database_stop(void *ctx, uint8_t engine);
104 int mlx5_devx_regex_database_resume(void *ctx, uint8_t engine);
105 int mlx5_devx_regex_database_program(void *ctx, uint8_t engine,
106 uint32_t umem_id, uint64_t umem_offset);
108 /* mlx5_regex_control.c */
109 int mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind,
110 const struct rte_regexdev_qp_conf *cfg);
112 /* mlx5_regex_fastpath.c */
113 int mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id);
114 void mlx5_regexdev_teardown_fastpath(struct mlx5_regex_priv *priv,
116 uint16_t mlx5_regexdev_enqueue(struct rte_regexdev *dev, uint16_t qp_id,
117 struct rte_regex_ops **ops, uint16_t nb_ops);
118 uint16_t mlx5_regexdev_dequeue(struct rte_regexdev *dev, uint16_t qp_id,
119 struct rte_regex_ops **ops, uint16_t nb_ops);
121 #endif /* MLX5_REGEX_H */