1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2 /*
3  * Copyright (c) 2006 Chelsio, Inc. 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 #ifndef CXGB3_ABI_USER_H
34 #define CXGB3_ABI_USER_H
35 
36 #include <linux/types.h>
37 
38 #define IWCH_UVERBS_ABI_VERSION	1
39 
40 /*
41  * Make sure that all structs defined in this file remain laid out so
42  * that they pack the same way on 32-bit and 64-bit architectures (to
43  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
44  * In particular do not use pointer types -- pass pointers in __aligned_u64
45  * instead.
46  */
47 struct iwch_create_cq_req {
48 	__aligned_u64 user_rptr_addr;
49 };
50 
51 struct iwch_create_cq_resp_v0 {
52 	__aligned_u64 key;
53 	__u32 cqid;
54 	__u32 size_log2;
55 };
56 
57 struct iwch_create_cq_resp {
58 	__aligned_u64 key;
59 	__u32 cqid;
60 	__u32 size_log2;
61 	__u32 memsize;
62 	__u32 reserved;
63 };
64 
65 struct iwch_create_qp_resp {
66 	__aligned_u64 key;
67 	__aligned_u64 db_key;
68 	__u32 qpid;
69 	__u32 size_log2;
70 	__u32 sq_size_log2;
71 	__u32 rq_size_log2;
72 };
73 
74 struct iwch_reg_user_mr_resp {
75 	__u32 pbl_addr;
76 };
77 
78 struct iwch_alloc_pd_resp {
79 	__u32 pdid;
80 };
81 
82 #endif /* CXGB3_ABI_USER_H */
83