1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2020 Mellanox Technologies, Ltd
5 #ifndef RTE_PMD_MLX5_COMMON_DEVX_H_
6 #define RTE_PMD_MLX5_COMMON_DEVX_H_
8 #include "mlx5_devx_cmds.h"
10 /* The standard page size */
11 #define MLX5_LOG_PAGE_SIZE 12
13 /* DevX Completion Queue structure. */
15 struct mlx5_devx_obj *cq; /* The CQ DevX object. */
16 void *umem_obj; /* The CQ umem object. */
18 volatile void *umem_buf;
19 volatile struct mlx5_cqe *cqes; /* The CQ ring buffer. */
21 volatile uint32_t *db_rec; /* The CQ doorbell record. */
24 /* DevX Send Queue structure. */
26 struct mlx5_devx_obj *sq; /* The SQ DevX object. */
27 void *umem_obj; /* The SQ umem object. */
29 volatile void *umem_buf;
30 volatile struct mlx5_wqe *wqes; /* The SQ ring buffer. */
31 volatile struct mlx5_aso_wqe *aso_wqes;
33 volatile uint32_t *db_rec; /* The SQ doorbell record. */
36 /* DevX Queue Pair structure. */
38 struct mlx5_devx_obj *qp; /* The QP DevX object. */
39 void *umem_obj; /* The QP umem object. */
42 struct mlx5_wqe *wqes; /* The QP ring buffer. */
43 struct mlx5_aso_wqe *aso_wqes;
45 volatile uint32_t *db_rec; /* The QP doorbell record. */
48 /* DevX Receive Queue resource structure. */
49 struct mlx5_devx_wq_res {
50 void *umem_obj; /* The RQ umem object. */
51 volatile void *umem_buf;
52 volatile uint32_t *db_rec; /* The RQ doorbell record. */
55 /* DevX Receive Memory Pool structure. */
56 struct mlx5_devx_rmp {
57 struct mlx5_devx_obj *rmp; /* The RMP DevX object. */
58 uint32_t ref_cnt; /* Reference count. */
59 struct mlx5_devx_wq_res wq;
62 /* DevX Receive Queue structure. */
64 struct mlx5_devx_obj *rq; /* The RQ DevX object. */
65 struct mlx5_devx_rmp *rmp; /* Shared RQ RMP object. */
66 struct mlx5_devx_wq_res wq; /* WQ resource of standalone RQ. */
69 /* mlx5_common_devx.c */
72 void mlx5_devx_cq_destroy(struct mlx5_devx_cq *cq);
75 int mlx5_devx_cq_create(void *ctx, struct mlx5_devx_cq *cq_obj,
77 struct mlx5_devx_cq_attr *attr, int socket);
80 void mlx5_devx_sq_destroy(struct mlx5_devx_sq *sq);
83 int mlx5_devx_sq_create(void *ctx, struct mlx5_devx_sq *sq_obj,
85 struct mlx5_devx_create_sq_attr *attr, int socket);
88 void mlx5_devx_qp_destroy(struct mlx5_devx_qp *qp);
91 int mlx5_devx_qp_create(void *ctx, struct mlx5_devx_qp *qp_obj,
93 struct mlx5_devx_qp_attr *attr, int socket);
96 void mlx5_devx_rq_destroy(struct mlx5_devx_rq *rq);
99 int mlx5_devx_rq_create(void *ctx, struct mlx5_devx_rq *rq_obj,
100 uint32_t wqe_size, uint16_t log_wqbb_n,
101 struct mlx5_devx_create_rq_attr *attr, int socket);
104 int mlx5_devx_qp2rts(struct mlx5_devx_qp *qp, uint32_t remote_qp_id);
106 #endif /* RTE_PMD_MLX5_COMMON_DEVX_H_ */