xref: /freebsd/sys/dev/mlx5/srq.h (revision d9a42747950146bf03cda7f6e25d219253f8a57a)
1 /*-
2  * Copyright (c) 2013-2017, Mellanox Technologies, Ltd.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef MLX5_SRQ_H
29 #define MLX5_SRQ_H
30 
31 #include <dev/mlx5/driver.h>
32 
33 enum {
34 	MLX5_SRQ_FLAG_ERR    = (1 << 0),
35 	MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
36 };
37 
38 struct mlx5_srq_attr {
39 	u32 type;
40 	u32 flags;
41 	u32 log_size;
42 	u32 wqe_shift;
43 	u32 log_page_size;
44 	u32 wqe_cnt;
45 	u32 srqn;
46 	u32 xrcd;
47 	u32 page_offset;
48 	u32 cqn;
49 	u32 pd;
50 	u32 lwm;
51 	u32 user_index;
52 	u64 db_record;
53 	u64 *pas;
54 	u16 uid;
55 };
56 
57 struct mlx5_core_dev;
58 
59 void mlx5_init_srq_table(struct mlx5_core_dev *dev);
60 void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);
61 
62 #endif /* MLX5_SRQ_H */
63