1/*
2 * Copyright (c) 2013, Mellanox Technologies inc.  All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses.  You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 *     Redistribution and use in source and binary forms, with or
11 *     without modification, are permitted provided that the following
12 *     conditions are met:
13 *
14 *      - Redistributions of source code must retain the above
15 *        copyright notice, this list of conditions and the following
16 *        disclaimer.
17 *
18 *      - Redistributions in binary form must reproduce the above
19 *        copyright notice, this list of conditions and the following
20 *        disclaimer in the documentation and/or other materials
21 *        provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#ifndef MLX5_IB_USER_H
34#define MLX5_IB_USER_H
35
36#include <linux/types.h>
37
38enum {
39	MLX5_QP_FLAG_SIGNATURE		= 1 << 0,
40	MLX5_QP_FLAG_SCATTER_CQE	= 1 << 1,
41};
42
43enum {
44	MLX5_SRQ_FLAG_SIGNATURE		= 1 << 0,
45};
46
47
48/* Increment this value if any changes that break userspace ABI
49 * compatibility are made.
50 */
51#define MLX5_IB_UVERBS_ABI_VERSION	1
52
53/* Make sure that all structs defined in this file remain laid out so
54 * that they pack the same way on 32-bit and 64-bit architectures (to
55 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
56 * In particular do not use pointer types -- pass pointers in __u64
57 * instead.
58 */
59
60struct mlx5_ib_alloc_ucontext_req {
61	__u32	total_num_uuars;
62	__u32	num_low_latency_uuars;
63};
64
65struct mlx5_ib_alloc_ucontext_req_v2 {
66	__u32	total_num_uuars;
67	__u32	num_low_latency_uuars;
68	__u32	flags;
69	__u32	reserved;
70};
71
72struct mlx5_ib_alloc_ucontext_resp {
73	__u32	qp_tab_size;
74	__u32	bf_reg_size;
75	__u32	tot_uuars;
76	__u32	cache_line_size;
77	__u16	max_sq_desc_sz;
78	__u16	max_rq_desc_sz;
79	__u32	max_send_wqebb;
80	__u32	max_recv_wr;
81	__u32	max_srq_recv_wr;
82	__u16	num_ports;
83	__u16	reserved;
84};
85
86struct mlx5_ib_alloc_pd_resp {
87	__u32	pdn;
88};
89
90struct mlx5_ib_create_cq {
91	__u64	buf_addr;
92	__u64	db_addr;
93	__u32	cqe_size;
94	__u32	reserved; /* explicit padding (optional on i386) */
95};
96
97struct mlx5_ib_create_cq_resp {
98	__u32	cqn;
99	__u32	reserved;
100};
101
102struct mlx5_ib_resize_cq {
103	__u64	buf_addr;
104	__u16	cqe_size;
105	__u16	reserved0;
106	__u32	reserved1;
107};
108
109struct mlx5_ib_create_srq {
110	__u64	buf_addr;
111	__u64	db_addr;
112	__u32	flags;
113	__u32	reserved; /* explicit padding (optional on i386) */
114};
115
116struct mlx5_ib_create_srq_resp {
117	__u32	srqn;
118	__u32	reserved;
119};
120
121struct mlx5_ib_create_qp {
122	__u64	buf_addr;
123	__u64	db_addr;
124	__u32	sq_wqe_count;
125	__u32	rq_wqe_count;
126	__u32	rq_wqe_shift;
127	__u32	flags;
128};
129
130struct mlx5_ib_create_qp_resp {
131	__u32	uuar_index;
132};
133#endif /* MLX5_IB_USER_H */
134