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1 /*
2  * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef __C4IW_USER_H__
33 #define __C4IW_USER_H__
34 
35 #define C4IW_UVERBS_ABI_VERSION	2
36 
37 /*
38  * Make sure that all structs defined in this file remain laid out so
39  * that they pack the same way on 32-bit and 64-bit architectures (to
40  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
41  * In particular do not use pointer types -- pass pointers in __u64
42  * instead.
43  */
44 struct c4iw_create_cq_resp {
45 	__u64 key;
46 	__u64 gts_key;
47 	__u64 memsize;
48 	__u32 cqid;
49 	__u32 size;
50 	__u32 qid_mask;
51 	__u32 reserved; /* explicit padding (optional for i386) */
52 };
53 
54 
55 enum {
56 	C4IW_QPF_ONCHIP = (1<<0)
57 };
58 
59 struct c4iw_create_qp_resp {
60 	__u64 ma_sync_key;
61 	__u64 sq_key;
62 	__u64 rq_key;
63 	__u64 sq_db_gts_key;
64 	__u64 rq_db_gts_key;
65 	__u64 sq_memsize;
66 	__u64 rq_memsize;
67 	__u32 sqid;
68 	__u32 rqid;
69 	__u32 sq_size;
70 	__u32 rq_size;
71 	__u32 qid_mask;
72 	__u32 flags;
73 };
74 
75 struct c4iw_alloc_ucontext_resp {
76 	__u64 status_page_key;
77 	__u32 status_page_size;
78 	__u32 reserved; /* explicit padding (optional for i386) */
79 };
80 #endif
81