1/*
2 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
3 * Copyright (c) 2005 Cisco Systems.  All rights reserved.
4 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36#ifndef C2_USER_H
37#define C2_USER_H
38
39#include <linux/types.h>
40
41/*
42 * Make sure that all structs defined in this file remain laid out so
43 * that they pack the same way on 32-bit and 64-bit architectures (to
44 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
45 * In particular do not use pointer types -- pass pointers in __u64
46 * instead.
47 */
48
49struct c2_alloc_ucontext_resp {
50	__u32 qp_tab_size;
51	__u32 uarc_size;
52};
53
54struct c2_alloc_pd_resp {
55	__u32 pdn;
56	__u32 reserved;
57};
58
59struct c2_create_cq {
60	__u32 lkey;
61	__u32 pdn;
62	__u64 arm_db_page;
63	__u64 set_db_page;
64	__u32 arm_db_index;
65	__u32 set_db_index;
66};
67
68struct c2_create_cq_resp {
69	__u32 cqn;
70	__u32 reserved;
71};
72
73struct c2_create_qp {
74	__u32 lkey;
75	__u32 reserved;
76	__u64 sq_db_page;
77	__u64 rq_db_page;
78	__u32 sq_db_index;
79	__u32 rq_db_index;
80};
81
82#endif				/* C2_USER_H */
83