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 */
56 struct mthca_alloc_ucontext_resp {
57 __u32 qp_tab_size;
58 __u32 uarc_size;
59 };
60
61 struct 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
72 struct mthca_reg_mr {
73 __u32 mr_attrs;
74 __u32 reserved;
75 };
76
77 struct 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
86 struct mthca_create_cq_resp {
87 __u32 cqn;
88 __u32 reserved;
89 };
90
91 struct mthca_resize_cq {
92 __u32 lkey;
93 __u32 reserved;
94 };
95
96 struct mthca_create_srq {
97 __u32 lkey;
98 __u32 db_index;
99 __u64 db_page;
100 };
101
102 struct mthca_create_srq_resp {
103 __u32 srqn;
104 __u32 reserved;
105 };
106
107 struct 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 */
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