ceph/src/spdk/dpdk/drivers/net/mlx5/mlx5_glue.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2018 6WIND S.A.
   3  * Copyright 2018 Mellanox Technologies, Ltd
   4  */
   5
   6 #ifndef MLX5_GLUE_H_
   7 #define MLX5_GLUE_H_
   8
   9 #include <stddef.h>
  10 #include <stdint.h>
  11
  12 /* Verbs headers do not support -pedantic. */
  13 #ifdef PEDANTIC
  14 #pragma GCC diagnostic ignored "-Wpedantic"
  15 #endif
  16 #include <infiniband/mlx5dv.h>
  17 #include <infiniband/verbs.h>
  18 #ifdef PEDANTIC
  19 #pragma GCC diagnostic error "-Wpedantic"
  20 #endif
  21
  22 #ifndef MLX5_GLUE_VERSION
  23 #define MLX5_GLUE_VERSION ""
  24 #endif
  25
  26 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
  27 struct ibv_counter_set;
  28 struct ibv_counter_set_data;
  29 struct ibv_counter_set_description;
  30 struct ibv_counter_set_init_attr;
  31 struct ibv_query_counter_set_attr;
  32 #endif
  33
  34 #ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
  35 struct mlx5dv_qp_init_attr;
  36 #endif
  37
  38 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
  39 struct mlx5dv_wq_init_attr;
  40 #endif
  41
  42 /* LIB_GLUE_VERSION must be updated every time this structure is modified. */
  43 struct mlx5_glue {
  44         const char *version;
  45         int (*fork_init)(void);
  46         struct ibv_pd *(*alloc_pd)(struct ibv_context *context);
  47         int (*dealloc_pd)(struct ibv_pd *pd);
  48         struct ibv_device **(*get_device_list)(int *num_devices);
  49         void (*free_device_list)(struct ibv_device **list);
  50         struct ibv_context *(*open_device)(struct ibv_device *device);
  51         int (*close_device)(struct ibv_context *context);
  52         int (*query_device)(struct ibv_context *context,
  53                             struct ibv_device_attr *device_attr);
  54         int (*query_device_ex)(struct ibv_context *context,
  55                                const struct ibv_query_device_ex_input *input,
  56                                struct ibv_device_attr_ex *attr);
  57         int (*query_port)(struct ibv_context *context, uint8_t port_num,
  58                           struct ibv_port_attr *port_attr);
  59         struct ibv_comp_channel *(*create_comp_channel)
  60                 (struct ibv_context *context);
  61         int (*destroy_comp_channel)(struct ibv_comp_channel *channel);
  62         struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe,
  63                                     void *cq_context,
  64                                     struct ibv_comp_channel *channel,
  65                                     int comp_vector);
  66         int (*destroy_cq)(struct ibv_cq *cq);
  67         int (*get_cq_event)(struct ibv_comp_channel *channel,
  68                             struct ibv_cq **cq, void **cq_context);
  69         void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents);
  70         struct ibv_rwq_ind_table *(*create_rwq_ind_table)
  71                 (struct ibv_context *context,
  72                  struct ibv_rwq_ind_table_init_attr *init_attr);
  73         int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table);
  74         struct ibv_wq *(*create_wq)(struct ibv_context *context,
  75                                     struct ibv_wq_init_attr *wq_init_attr);
  76         int (*destroy_wq)(struct ibv_wq *wq);
  77         int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr);
  78         struct ibv_flow *(*create_flow)(struct ibv_qp *qp,
  79                                         struct ibv_flow_attr *flow);
  80         int (*destroy_flow)(struct ibv_flow *flow_id);
  81         struct ibv_qp *(*create_qp)(struct ibv_pd *pd,
  82                                     struct ibv_qp_init_attr *qp_init_attr);
  83         struct ibv_qp *(*create_qp_ex)
  84                 (struct ibv_context *context,
  85                  struct ibv_qp_init_attr_ex *qp_init_attr_ex);
  86         int (*destroy_qp)(struct ibv_qp *qp);
  87         int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr,
  88                          int attr_mask);
  89         struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr,
  90                                  size_t length, int access);
  91         int (*dereg_mr)(struct ibv_mr *mr);
  92         struct ibv_counter_set *(*create_counter_set)
  93                 (struct ibv_context *context,
  94                  struct ibv_counter_set_init_attr *init_attr);
  95         int (*destroy_counter_set)(struct ibv_counter_set *cs);
  96         int (*describe_counter_set)
  97                 (struct ibv_context *context,
  98                  uint16_t counter_set_id,
  99                  struct ibv_counter_set_description *cs_desc);
 100         int (*query_counter_set)(struct ibv_query_counter_set_attr *query_attr,
 101                                  struct ibv_counter_set_data *cs_data);
 102         void (*ack_async_event)(struct ibv_async_event *event);
 103         int (*get_async_event)(struct ibv_context *context,
 104                                struct ibv_async_event *event);
 105         const char *(*port_state_str)(enum ibv_port_state port_state);
 106         struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq);
 107         struct ibv_cq_ex *(*dv_create_cq)
 108                 (struct ibv_context *context,
 109                  struct ibv_cq_init_attr_ex *cq_attr,
 110                  struct mlx5dv_cq_init_attr *mlx5_cq_attr);
 111         struct ibv_wq *(*dv_create_wq)
 112                 (struct ibv_context *context,
 113                  struct ibv_wq_init_attr *wq_attr,
 114                  struct mlx5dv_wq_init_attr *mlx5_wq_attr);
 115         int (*dv_query_device)(struct ibv_context *ctx_in,
 116                                struct mlx5dv_context *attrs_out);
 117         int (*dv_set_context_attr)(struct ibv_context *ibv_ctx,
 118                                    enum mlx5dv_set_ctx_attr_type type,
 119                                    void *attr);
 120         int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type);
 121         struct ibv_qp *(*dv_create_qp)
 122                 (struct ibv_context *context,
 123                  struct ibv_qp_init_attr_ex *qp_init_attr_ex,
 124                  struct mlx5dv_qp_init_attr *dv_qp_init_attr);
 125 };
 126
 127 const struct mlx5_glue *mlx5_glue;
 128
 129 #endif /* MLX5_GLUE_H_ */