1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
2 | /* |
3 | * Copyright (c) 2013-2018, Mellanox Technologies. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef MLX5_IB_SRQ_H |
7 | #define MLX5_IB_SRQ_H |
8 | |
9 | enum { |
10 | MLX5_SRQ_FLAG_ERR = (1 << 0), |
11 | MLX5_SRQ_FLAG_WQ_SIG = (1 << 1), |
12 | MLX5_SRQ_FLAG_RNDV = (1 << 2), |
13 | }; |
14 | |
15 | struct mlx5_srq_attr { |
16 | u32 type; |
17 | u32 flags; |
18 | u32 log_size; |
19 | u32 wqe_shift; |
20 | u32 log_page_size; |
21 | u32 wqe_cnt; |
22 | u32 srqn; |
23 | u32 xrcd; |
24 | u32 page_offset; |
25 | u32 cqn; |
26 | u32 pd; |
27 | u32 lwm; |
28 | u32 user_index; |
29 | u64 db_record; |
30 | __be64 *pas; |
31 | struct ib_umem *umem; |
32 | u32 tm_log_list_size; |
33 | u32 tm_next_tag; |
34 | u32 tm_hw_phase_cnt; |
35 | u32 tm_sw_phase_cnt; |
36 | u16 uid; |
37 | }; |
38 | |
39 | struct mlx5_ib_dev; |
40 | |
41 | struct mlx5_core_srq { |
42 | struct mlx5_core_rsc_common common; /* must be first */ |
43 | u32 srqn; |
44 | int max; |
45 | size_t max_gs; |
46 | size_t max_avail_gather; |
47 | int wqe_shift; |
48 | void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e); |
49 | |
50 | u16 uid; |
51 | }; |
52 | |
53 | struct mlx5_srq_table { |
54 | struct notifier_block nb; |
55 | struct xarray array; |
56 | }; |
57 | |
58 | int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, |
59 | struct mlx5_srq_attr *in); |
60 | int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq); |
61 | int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, |
62 | struct mlx5_srq_attr *out); |
63 | int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, |
64 | u16 lwm, int is_srq); |
65 | struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn); |
66 | |
67 | int mlx5_init_srq_table(struct mlx5_ib_dev *dev); |
68 | void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev); |
69 | #endif /* MLX5_IB_SRQ_H */ |
70 | |