text: /* SPDX-License-Identifier: BSD-3-Clause
   * Copyright 2018 6WIND S.A.
   * Copyright 2018 Mellanox
   */
  
  #ifndef MLX4_GLUE_H_
  #define MLX4_GLUE_H_
  
  /* Verbs headers do not support -pedantic. */
  #ifdef PEDANTIC
  #pragma GCC diagnostic ignored "-Wpedantic"
  #endif
  #include <infiniband/mlx4dv.h>
  #include <infiniband/verbs.h>
  #ifdef PEDANTIC
  #pragma GCC diagnostic error "-Wpedantic"
  #endif
  
  struct mlx4_glue {
  	int (*fork_init)(void);
  	int (*get_async_event)(struct ibv_context *context,
  			       struct ibv_async_event *event);
  	void (*ack_async_event)(struct ibv_async_event *event);
  	struct ibv_pd *(*alloc_pd)(struct ibv_context *context);
  	int (*dealloc_pd)(struct ibv_pd *pd);
  	struct ibv_device **(*get_device_list)(int *num_devices);
  	void (*free_device_list)(struct ibv_device **list);
  	struct ibv_context *(*open_device)(struct ibv_device *device);
  	int (*close_device)(struct ibv_context *context);
  	const char *(*get_device_name)(struct ibv_device *device);
  	int (*query_device)(struct ibv_context *context,
  			    struct ibv_device_attr *device_attr);
  	int (*query_device_ex)(struct ibv_context *context,
  			       const struct ibv_query_device_ex_input *input,
  			       struct ibv_device_attr_ex *attr);
  	int (*query_port)(struct ibv_context *context, uint8_t port_num,
  			  struct ibv_port_attr *port_attr);
  	const char *(*port_state_str)(enum ibv_port_state port_state);
  	struct ibv_comp_channel *(*create_comp_channel)
  		(struct ibv_context *context);
  	int (*destroy_comp_channel)(struct ibv_comp_channel *channel);
  	struct ibv_cq *(*create_cq)(struct ibv_context *context, int cqe,
  				    void *cq_context,
  				    struct ibv_comp_channel *channel,
  				    int comp_vector);
  	int (*destroy_cq)(struct ibv_cq *cq);
  	int (*get_cq_event)(struct ibv_comp_channel *channel,
  			    struct ibv_cq **cq, void **cq_context);
  	void (*ack_cq_events)(struct ibv_cq *cq, unsigned int nevents);
  	struct ibv_flow *(*create_flow)(struct ibv_qp *qp,
  					struct ibv_flow_attr *flow);
  	int (*destroy_flow)(struct ibv_flow *flow_id);
  	struct ibv_qp *(*create_qp)(struct ibv_pd *pd,
  				    struct ibv_qp_init_attr *qp_init_attr);
  	struct ibv_qp *(*create_qp_ex)
  		(struct ibv_context *context,
  		 struct ibv_qp_init_attr_ex *qp_init_attr_ex);
  	int (*destroy_qp)(struct ibv_qp *qp);
  	int (*modify_qp)(struct ibv_qp *qp, struct ibv_qp_attr *attr,
  			 int attr_mask);
  	struct ibv_mr *(*reg_mr)(struct ibv_pd *pd, void *addr,
  				 size_t length, int access);
  	int (*dereg_mr)(struct ibv_mr *mr);
  	struct ibv_rwq_ind_table *(*create_rwq_ind_table)
  		(struct ibv_context *context,
  		 struct ibv_rwq_ind_table_init_attr *init_attr);
  	int (*destroy_rwq_ind_table)(struct ibv_rwq_ind_table *rwq_ind_table);
  	struct ibv_wq *(*create_wq)(struct ibv_context *context,
  				    struct ibv_wq_init_attr *wq_init_attr);
  	int (*destroy_wq)(struct ibv_wq *wq);
  	int (*modify_wq)(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr);
  	int (*dv_init_obj)(struct mlx4dv_obj *obj, uint64_t obj_type);
  	int (*dv_set_context_attr)(struct ibv_context *context,
  				   enum mlx4dv_set_ctx_attr_type attr_type,
  				   void *attr);
  };
  
  const struct mlx4_glue *mlx4_glue;
  
  #endif /* MLX4_GLUE_H_ */
  