drivers/common/mlx5/mlx5_common_devx.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2020 Mellanox Technologies, Ltd
   3  */
   4
   5 #ifndef RTE_PMD_MLX5_COMMON_DEVX_H_
   6 #define RTE_PMD_MLX5_COMMON_DEVX_H_
   7
   8 #include "mlx5_devx_cmds.h"
   9
  10 /* DevX Completion Queue structure. */
  11 struct mlx5_devx_cq {
  12         struct mlx5_devx_obj *cq; /* The CQ DevX object. */
  13         void *umem_obj; /* The CQ umem object. */
  14         union {
  15                 volatile void *umem_buf;
  16                 volatile struct mlx5_cqe *cqes; /* The CQ ring buffer. */
  17         };
  18         volatile uint32_t *db_rec; /* The CQ doorbell record. */
  19 };
  20
  21 /* mlx5_common_devx.c */
  22
  23 __rte_internal
  24 void mlx5_devx_cq_destroy(struct mlx5_devx_cq *cq);
  25
  26 __rte_internal
  27 int mlx5_devx_cq_create(void *ctx, struct mlx5_devx_cq *cq_obj,
  28                         uint16_t log_desc_n, struct mlx5_devx_cq_attr *attr,
  29                         int socket);
  30
  31 #endif /* RTE_PMD_MLX5_COMMON_DEVX_H_ */