ceph/src/seastar/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_V42
  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_COUNTERS_SET_V45
  35 struct ibv_counters;
  36 struct ibv_counters_init_attr;
  37 struct ibv_counter_attach_attr;
  38 #endif
  39
  40 #ifndef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
  41 struct mlx5dv_qp_init_attr;
  42 #endif
  43
  44 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
  45 struct mlx5dv_wq_init_attr;
  46 #endif
  47
  48 #ifndef HAVE_IBV_FLOW_DV_SUPPORT
  49 struct mlx5dv_flow_matcher;
  50 struct mlx5dv_flow_matcher_attr;
  51 struct mlx5dv_flow_action_attr;
  52 struct mlx5dv_flow_match_parameters;
  53 struct ibv_flow_action;
  54 enum mlx5dv_flow_action_packet_reformat_type { packet_reformat_type = 0, };
  55 enum mlx5dv_flow_table_type { flow_table_type = 0, };
  56 #endif
  57
  58 #ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
  59 #define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
  60 #endif
  61
  62 #ifndef HAVE_IBV_DEVX_OBJ
  63 struct mlx5dv_devx_obj;
  64 #endif
  65
  66 #ifndef HAVE_MLX5DV_DR
  67 enum  mlx5dv_dr_domain_type { unused, };
  68 struct mlx5dv_dr_domain;
  69 #endif
  70
  71 /* LIB_GLUE_VERSION must be updated every time this structure is modified. */
  72 struct mlx5_glue {
  73         const char *version;
  74         int (*fork_init)(void);
  75         struct ibv_pd *(*alloc_pd)(struct ibv_context *context);
  76         int (*dealloc_pd)(struct ibv_pd *pd);
  77         struct ibv_device **(*get_device_list)(int *num_devices);
  78         void (*free_device_list)(struct ibv_device **list);
  79         struct ibv_context *(*open_device)(struct ibv_device *device);
  80         int (*close_device)(struct ibv_context *context);
  81         int (*query_device)(struct ibv_context *context,
  82                             struct ibv_device_attr *device_attr);
  83         int (*query_device_ex)(struct ibv_context *context,
  84                                const struct ibv_query_device_ex_input *input,
  85                                struct ibv_device_attr_ex *attr);
  86         int (*query_port)(struct ibv_context *context, uint8_t port_num,
  87                           struct ibv_port_attr *port_attr);
  88         struct ibv_comp_channel *(*create_comp_channel)
  89                 (struct ibv_context *context);
  90         int (*destroy_comp_channel)(struct ibv_comp_channel *channel);
  91         struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe,
  92                                     void *cq_context,
  93                                     struct ibv_comp_channel *channel,
  94                                     int comp_vector);
  95         int (*destroy_cq)(struct ibv_cq *cq);
  96         int (*get_cq_event)(struct ibv_comp_channel *channel,
  97                             struct ibv_cq **cq, void **cq_context);
  98         void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents);
  99         struct ibv_rwq_ind_table *(*create_rwq_ind_table)
 100                 (struct ibv_context *context,
 101                  struct ibv_rwq_ind_table_init_attr *init_attr);
 102         int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table);
 103         struct ibv_wq *(*create_wq)(struct ibv_context *context,
 104                                     struct ibv_wq_init_attr *wq_init_attr);
 105         int (*destroy_wq)(struct ibv_wq *wq);
 106         int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr);
 107         struct ibv_flow *(*create_flow)(struct ibv_qp *qp,
 108                                         struct ibv_flow_attr *flow);
 109         int (*destroy_flow)(struct ibv_flow *flow_id);
 110         int (*destroy_flow_action)(void *action);
 111         struct ibv_qp *(*create_qp)(struct ibv_pd *pd,
 112                                     struct ibv_qp_init_attr *qp_init_attr);
 113         struct ibv_qp *(*create_qp_ex)
 114                 (struct ibv_context *context,
 115                  struct ibv_qp_init_attr_ex *qp_init_attr_ex);
 116         int (*destroy_qp)(struct ibv_qp *qp);
 117         int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr,
 118                          int attr_mask);
 119         struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr,
 120                                  size_t length, int access);
 121         int (*dereg_mr)(struct ibv_mr *mr);
 122         struct ibv_counter_set *(*create_counter_set)
 123                 (struct ibv_context *context,
 124                  struct ibv_counter_set_init_attr *init_attr);
 125         int (*destroy_counter_set)(struct ibv_counter_set *cs);
 126         int (*describe_counter_set)
 127                 (struct ibv_context *context,
 128                  uint16_t counter_set_id,
 129                  struct ibv_counter_set_description *cs_desc);
 130         int (*query_counter_set)(struct ibv_query_counter_set_attr *query_attr,
 131                                  struct ibv_counter_set_data *cs_data);
 132         struct ibv_counters *(*create_counters)
 133                 (struct ibv_context *context,
 134                  struct ibv_counters_init_attr *init_attr);
 135         int (*destroy_counters)(struct ibv_counters *counters);
 136         int (*attach_counters)(struct ibv_counters *counters,
 137                                struct ibv_counter_attach_attr *attr,
 138                                struct ibv_flow *flow);
 139         int (*query_counters)(struct ibv_counters *counters,
 140                               uint64_t *counters_value,
 141                               uint32_t ncounters,
 142                               uint32_t flags);
 143         void (*ack_async_event)(struct ibv_async_event *event);
 144         int (*get_async_event)(struct ibv_context *context,
 145                                struct ibv_async_event *event);
 146         const char *(*port_state_str)(enum ibv_port_state port_state);
 147         struct ibv_cq *(*cq_ex_to_cq)(struct ibv_cq_ex *cq);
 148         void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl);
 149         void *(*dr_create_flow_action_dest_vport)(void *domain, uint32_t vport);
 150         void *(*dr_create_flow_action_drop)();
 151         void *(*dr_create_flow_tbl)(void *domain, uint32_t level);
 152         int (*dr_destroy_flow_tbl)(void *tbl);
 153         void *(*dr_create_domain)(struct ibv_context *ctx,
 154                                   enum mlx5dv_dr_domain_type domain);
 155         int (*dr_destroy_domain)(void *domain);
 156         struct ibv_cq_ex *(*dv_create_cq)
 157                 (struct ibv_context *context,
 158                  struct ibv_cq_init_attr_ex *cq_attr,
 159                  struct mlx5dv_cq_init_attr *mlx5_cq_attr);
 160         struct ibv_wq *(*dv_create_wq)
 161                 (struct ibv_context *context,
 162                  struct ibv_wq_init_attr *wq_attr,
 163                  struct mlx5dv_wq_init_attr *mlx5_wq_attr);
 164         int (*dv_query_device)(struct ibv_context *ctx_in,
 165                                struct mlx5dv_context *attrs_out);
 166         int (*dv_set_context_attr)(struct ibv_context *ibv_ctx,
 167                                    enum mlx5dv_set_ctx_attr_type type,
 168                                    void *attr);
 169         int (*dv_init_obj)(struct mlx5dv_obj *obj, uint64_t obj_type);
 170         struct ibv_qp *(*dv_create_qp)
 171                 (struct ibv_context *context,
 172                  struct ibv_qp_init_attr_ex *qp_init_attr_ex,
 173                  struct mlx5dv_qp_init_attr *dv_qp_init_attr);
 174         void *(*dv_create_flow_matcher)
 175                 (struct ibv_context *context,
 176                  struct mlx5dv_flow_matcher_attr *matcher_attr,
 177                  void *tbl);
 178         void *(*dv_create_flow)(void *matcher, void *match_value,
 179                           size_t num_actions, void *actions[]);
 180         void *(*dv_create_flow_action_counter)(void *obj, uint32_t  offset);
 181         void *(*dv_create_flow_action_dest_ibv_qp)(void *qp);
 182         void *(*dv_create_flow_action_modify_header)
 183                 (struct ibv_context *ctx, enum mlx5dv_flow_table_type ft_type,
 184                  void *domain, uint64_t flags, size_t actions_sz,
 185                  uint64_t actions[]);
 186         void *(*dv_create_flow_action_packet_reformat)
 187                 (struct ibv_context *ctx,
 188                  enum mlx5dv_flow_action_packet_reformat_type reformat_type,
 189                  enum mlx5dv_flow_table_type ft_type,
 190                  struct mlx5dv_dr_domain *domain,
 191                  uint32_t flags, size_t data_sz, void *data);
 192         void *(*dv_create_flow_action_tag)(uint32_t tag);
 193         int (*dv_destroy_flow)(void *flow);
 194         int (*dv_destroy_flow_matcher)(void *matcher);
 195         struct ibv_context *(*dv_open_device)(struct ibv_device *device);
 196         struct mlx5dv_devx_obj *(*devx_obj_create)
 197                                         (struct ibv_context *ctx,
 198                                          const void *in, size_t inlen,
 199                                          void *out, size_t outlen);
 200         int (*devx_obj_destroy)(struct mlx5dv_devx_obj *obj);
 201         int (*devx_obj_query)(struct mlx5dv_devx_obj *obj,
 202                               const void *in, size_t inlen,
 203                               void *out, size_t outlen);
 204         int (*devx_obj_modify)(struct mlx5dv_devx_obj *obj,
 205                                const void *in, size_t inlen,
 206                                void *out, size_t outlen);
 207         int (*devx_general_cmd)(struct ibv_context *context,
 208                                 const void *in, size_t inlen,
 209                                 void *out, size_t outlen);
 210 };
 211
 212 const struct mlx5_glue *mlx5_glue;
 213
 214 #endif /* MLX5_GLUE_H_ */