1 /*
2  * Copyright (c) 2006 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 __IWCH_USER_H__
33 #define __IWCH_USER_H__
34 
35 #define IWCH_UVERBS_ABI_VERSION	1
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 iwch_create_cq_req {
45 	__u64 user_rptr_addr;
46 };
47 
48 struct iwch_create_cq_resp_v0 {
49 	__u64 key;
50 	__u32 cqid;
51 	__u32 size_log2;
52 };
53 
54 struct iwch_create_cq_resp {
55 	__u64 key;
56 	__u32 cqid;
57 	__u32 size_log2;
58 	__u32 memsize;
59 	__u32 reserved;
60 };
61 
62 struct iwch_create_qp_resp {
63 	__u64 key;
64 	__u64 db_key;
65 	__u32 qpid;
66 	__u32 size_log2;
67 	__u32 sq_size_log2;
68 	__u32 rq_size_log2;
69 };
70 
71 struct iwch_reg_user_mr_resp {
72 	__u32 pbl_addr;
73 };
74 #endif
75