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