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 /* The standard page size */ 11 #define MLX5_LOG_PAGE_SIZE 12 12 13 /* DevX Completion Queue structure. */ 14 struct mlx5_devx_cq { 15 struct mlx5_devx_obj *cq; /* The CQ DevX object. */ 16 void *umem_obj; /* The CQ umem object. */ 17 union { 18 volatile void *umem_buf; 19 volatile struct mlx5_cqe *cqes; /* The CQ ring buffer. */ 20 }; 21 volatile uint32_t *db_rec; /* The CQ doorbell record. */ 22 }; 23 24 /* DevX Send Queue structure. */ 25 struct mlx5_devx_sq { 26 struct mlx5_devx_obj *sq; /* The SQ DevX object. */ 27 void *umem_obj; /* The SQ umem object. */ 28 union { 29 volatile void *umem_buf; 30 volatile struct mlx5_wqe *wqes; /* The SQ ring buffer. */ 31 volatile struct mlx5_aso_wqe *aso_wqes; 32 }; 33 volatile uint32_t *db_rec; /* The SQ doorbell record. */ 34 }; 35 36 /* DevX Receive Queue structure. */ 37 struct mlx5_devx_rq { 38 struct mlx5_devx_obj *rq; /* The RQ DevX object. */ 39 void *umem_obj; /* The RQ umem object. */ 40 volatile void *umem_buf; 41 volatile uint32_t *db_rec; /* The RQ doorbell record. */ 42 }; 43 44 /* mlx5_common_devx.c */ 45 46 __rte_internal 47 void mlx5_devx_cq_destroy(struct mlx5_devx_cq *cq); 48 49 __rte_internal 50 int mlx5_devx_cq_create(void *ctx, struct mlx5_devx_cq *cq_obj, 51 uint16_t log_desc_n, 52 struct mlx5_devx_cq_attr *attr, int socket); 53 54 __rte_internal 55 void mlx5_devx_sq_destroy(struct mlx5_devx_sq *sq); 56 57 __rte_internal 58 int mlx5_devx_sq_create(void *ctx, struct mlx5_devx_sq *sq_obj, 59 uint16_t log_wqbb_n, 60 struct mlx5_devx_create_sq_attr *attr, int socket); 61 62 __rte_internal 63 void mlx5_devx_rq_destroy(struct mlx5_devx_rq *rq); 64 65 __rte_internal 66 int mlx5_devx_rq_create(void *ctx, struct mlx5_devx_rq *rq_obj, 67 uint32_t wqe_size, uint16_t log_wqbb_n, 68 struct mlx5_devx_create_rq_attr *attr, int socket); 69 70 #endif /* RTE_PMD_MLX5_COMMON_DEVX_H_ */ 71