LXR dpdk/drivers/regex/mlx5/mlx5

   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
  20struct 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
  28struct 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
  34struct 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        uint32_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
  49struct 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 */
  66int mlx5_regex_start(struct rte_regexdev *dev);
  67int mlx5_regex_stop(struct rte_regexdev *dev);
  68int mlx5_regex_close(struct rte_regexdev *dev);
  69
  70/* mlx5_rxp.c */
  71int mlx5_regex_info_get(struct rte_regexdev *dev,
  72                        struct rte_regexdev_info *info);
  73int mlx5_regex_configure(struct rte_regexdev *dev,
  74                         const struct rte_regexdev_config *cfg);
  75int mlx5_regex_rules_db_import(struct rte_regexdev *dev,
  76                               const char *rule_db, uint32_t rule_db_len);
  77
  78/* mlx5_regex_devx.c */
  79int mlx5_devx_regex_rules_program(void *ctx, uint8_t engine, uint32_t rof_mkey,
  80                                uint32_t rof_size, uint64_t db_mkey_offset);
  81
  82/* mlx5_regex_control.c */
  83int mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind,
  84                        const struct rte_regexdev_qp_conf *cfg);
  85void mlx5_regex_clean_ctrl(struct rte_regexdev *dev);
  86
  87/* mlx5_regex_fastpath.c */
  88int mlx5_regexdev_setup_fastpath(struct mlx5_regex_priv *priv, uint32_t qp_id);
  89void mlx5_regexdev_teardown_fastpath(struct mlx5_regex_priv *priv,
  90                                     uint32_t qp_id);
  91uint16_t mlx5_regexdev_enqueue(struct rte_regexdev *dev, uint16_t qp_id,
  92                       struct rte_regex_ops **ops, uint16_t nb_ops);
  93uint16_t mlx5_regexdev_dequeue(struct rte_regexdev *dev, uint16_t qp_id,
  94                       struct rte_regex_ops **ops, uint16_t nb_ops);
  95uint16_t mlx5_regexdev_enqueue_gga(struct rte_regexdev *dev, uint16_t qp_id,
  96                       struct rte_regex_ops **ops, uint16_t nb_ops);
  97#endif /* MLX5_REGEX_H */
  98