xref: /freebsd/sys/dev/cxgbe/iw_cxgbe/user.h (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009-2013 Chelsio, 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 #ifndef __C4IW_USER_H__
35 #define __C4IW_USER_H__
36 
37 #define C4IW_UVERBS_ABI_VERSION	3
38 
39 /*
40  * Make sure that all structs defined in this file remain laid out so
41  * that they pack the same way on 32-bit and 64-bit architectures (to
42  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
43  * In particular do not use pointer types -- pass pointers in __u64
44  * instead.
45  */
46 struct c4iw_create_cq_resp {
47 	__u64 key;
48 	__u64 gts_key;
49 	__u64 memsize;
50 	__u32 cqid;
51 	__u32 size;
52 	__u32 qid_mask;
53 	__u32 reserved; /* explicit padding (optional for i386) */
54 };
55 
56 struct c4iw_create_qp_resp {
57 	__u64 ma_sync_key;
58 	__u64 sq_key;
59 	__u64 rq_key;
60 	__u64 sq_db_gts_key;
61 	__u64 rq_db_gts_key;
62 	__u64 sq_memsize;
63 	__u64 rq_memsize;
64 	__u32 sqid;
65 	__u32 rqid;
66 	__u32 sq_size;
67 	__u32 rq_size;
68 	__u32 qid_mask;
69 	__u32 flags;
70 };
71 
72 struct c4iw_alloc_ucontext_resp {
73 	__u64 status_page_key;
74 	__u32 status_page_size;
75 	__u32 reserved; /* explicit padding (optional for i386) */
76 };
77 #endif
78