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
9enum {
10	MLX5_SRQ_FLAG_ERR    = (1 << 0),
11	MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
12	MLX5_SRQ_FLAG_RNDV   = (1 << 2),
13};
14
15struct 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
39struct mlx5_ib_dev;
40
41struct 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
53struct mlx5_srq_table {
54	struct notifier_block nb;
55	struct xarray array;
56};
57
58int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
59			struct mlx5_srq_attr *in);
60int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
61int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
62		       struct mlx5_srq_attr *out);
63int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
64		     u16 lwm, int is_srq);
65struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
66
67int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
68void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
69#endif /* MLX5_IB_SRQ_H */
70