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