1/*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
5 * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses.  You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 *     Redistribution and use in source and binary forms, with or
14 *     without modification, are permitted provided that the following
15 *     conditions are met:
16 *
17 *      - Redistributions of source code must retain the above
18 *        copyright notice, this list of conditions and the following
19 *        disclaimer.
20 *
21 *      - Redistributions in binary form must reproduce the above
22 *        copyright notice, this list of conditions and the following
23 *        disclaimer in the documentation and/or other materials
24 *        provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 *
35 * $FreeBSD$
36 */
37
38#ifndef MTHCA_ABI_USER_H
39#define MTHCA_ABI_USER_H
40
41#include <linux/types.h>
42
43/*
44 * Increment this value if any changes that break userspace ABI
45 * compatibility are made.
46 */
47#define MTHCA_UVERBS_ABI_VERSION	1
48
49/*
50 * Make sure that all structs defined in this file remain laid out so
51 * that they pack the same way on 32-bit and 64-bit architectures (to
52 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
53 * In particular do not use pointer types -- pass pointers in __u64
54 * instead.
55 */
56struct mthca_alloc_ucontext_resp {
57	__u32 qp_tab_size;
58	__u32 uarc_size;
59};
60
61struct mthca_alloc_pd_resp {
62	__u32 pdn;
63	__u32 reserved;
64};
65
66/*
67 * Mark the memory region with a DMA attribute that causes
68 * in-flight DMA to be flushed when the region is written to:
69 */
70#define MTHCA_MR_DMASYNC	0x1
71
72struct mthca_reg_mr {
73	__u32 mr_attrs;
74	__u32 reserved;
75};
76
77struct mthca_create_cq {
78	__u32 lkey;
79	__u32 pdn;
80	__u64 arm_db_page;
81	__u64 set_db_page;
82	__u32 arm_db_index;
83	__u32 set_db_index;
84};
85
86struct mthca_create_cq_resp {
87	__u32 cqn;
88	__u32 reserved;
89};
90
91struct mthca_resize_cq {
92	__u32 lkey;
93	__u32 reserved;
94};
95
96struct mthca_create_srq {
97	__u32 lkey;
98	__u32 db_index;
99	__u64 db_page;
100};
101
102struct mthca_create_srq_resp {
103	__u32 srqn;
104	__u32 reserved;
105};
106
107struct mthca_create_qp {
108	__u32 lkey;
109	__u32 reserved;
110	__u64 sq_db_page;
111	__u64 rq_db_page;
112	__u32 sq_db_index;
113	__u32 rq_db_index;
114};
115#endif /* MTHCA_ABI_USER_H */
116