1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
2 | /* |
3 | * Copyright (c) 2005 Topspin Communications. All rights reserved. |
4 | * Copyright (c) 2005, 2006 Cisco Systems. 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 | #ifndef MTHCA_ABI_USER_H |
36 | #define MTHCA_ABI_USER_H |
37 | |
38 | #include <linux/types.h> |
39 | |
40 | /* |
41 | * Increment this value if any changes that break userspace ABI |
42 | * compatibility are made. |
43 | */ |
44 | #define MTHCA_UVERBS_ABI_VERSION 1 |
45 | |
46 | /* |
47 | * Make sure that all structs defined in this file remain laid out so |
48 | * that they pack the same way on 32-bit and 64-bit architectures (to |
49 | * avoid incompatibility between 32-bit userspace and 64-bit kernels). |
50 | * In particular do not use pointer types -- pass pointers in __u64 |
51 | * instead. |
52 | */ |
53 | struct mthca_alloc_ucontext_resp { |
54 | __u32 qp_tab_size; |
55 | __u32 uarc_size; |
56 | }; |
57 | |
58 | struct mthca_alloc_pd_resp { |
59 | __u32 pdn; |
60 | __u32 reserved; |
61 | }; |
62 | |
63 | /* |
64 | * Mark the memory region with a DMA attribute that causes |
65 | * in-flight DMA to be flushed when the region is written to: |
66 | */ |
67 | #define MTHCA_MR_DMASYNC 0x1 |
68 | |
69 | struct mthca_reg_mr { |
70 | __u32 mr_attrs; |
71 | __u32 reserved; |
72 | }; |
73 | |
74 | struct mthca_create_cq { |
75 | __u32 lkey; |
76 | __u32 pdn; |
77 | __aligned_u64 arm_db_page; |
78 | __aligned_u64 set_db_page; |
79 | __u32 arm_db_index; |
80 | __u32 set_db_index; |
81 | }; |
82 | |
83 | struct mthca_create_cq_resp { |
84 | __u32 cqn; |
85 | __u32 reserved; |
86 | }; |
87 | |
88 | struct mthca_resize_cq { |
89 | __u32 lkey; |
90 | __u32 reserved; |
91 | }; |
92 | |
93 | struct mthca_create_srq { |
94 | __u32 lkey; |
95 | __u32 db_index; |
96 | __aligned_u64 db_page; |
97 | }; |
98 | |
99 | struct mthca_create_srq_resp { |
100 | __u32 srqn; |
101 | __u32 reserved; |
102 | }; |
103 | |
104 | struct mthca_create_qp { |
105 | __u32 lkey; |
106 | __u32 reserved; |
107 | __aligned_u64 sq_db_page; |
108 | __aligned_u64 rq_db_page; |
109 | __u32 sq_db_index; |
110 | __u32 rq_db_index; |
111 | }; |
112 | #endif /* MTHCA_ABI_USER_H */ |
113 | |