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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 u32 tm_log_list_size;
32 u32 tm_next_tag;
33 u32 tm_hw_phase_cnt;
34 u32 tm_sw_phase_cnt;
35 u16 uid;
36 };
37
38 struct mlx5_ib_dev;
39
40 struct mlx5_core_srq {
41 struct mlx5_core_rsc_common common;
42 u32 srqn;
43 int max;
44 size_t max_gs;
45 size_t max_avail_gather;
46 int wqe_shift;
47 void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e);
48
49 u16 uid;
50 };
51
52 struct mlx5_srq_table {
53 struct notifier_block nb;
54 struct xarray array;
55 };
56
57 int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
58 struct mlx5_srq_attr *in);
59 void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
60 int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
61 struct mlx5_srq_attr *out);
62 int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
63 u16 lwm, int is_srq);
64 struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
65
66 int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
67 void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
68 #endif