1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
2 | /* |
3 | * Copyright (c) 2009-2010 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 CXGB4_ABI_USER_H |
34 | #define CXGB4_ABI_USER_H |
35 | |
36 | #include <linux/types.h> |
37 | |
38 | #define C4IW_UVERBS_ABI_VERSION 3 |
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 | |
48 | enum { |
49 | C4IW_64B_CQE = (1 << 0) |
50 | }; |
51 | |
52 | struct c4iw_create_cq { |
53 | __u32 flags; |
54 | __u32 reserved; |
55 | }; |
56 | |
57 | struct c4iw_create_cq_resp { |
58 | __aligned_u64 key; |
59 | __aligned_u64 gts_key; |
60 | __aligned_u64 memsize; |
61 | __u32 cqid; |
62 | __u32 size; |
63 | __u32 qid_mask; |
64 | __u32 flags; |
65 | }; |
66 | |
67 | enum { |
68 | C4IW_QPF_ONCHIP = (1 << 0), |
69 | C4IW_QPF_WRITE_W_IMM = (1 << 1) |
70 | }; |
71 | |
72 | struct c4iw_create_qp_resp { |
73 | __aligned_u64 ma_sync_key; |
74 | __aligned_u64 sq_key; |
75 | __aligned_u64 rq_key; |
76 | __aligned_u64 sq_db_gts_key; |
77 | __aligned_u64 rq_db_gts_key; |
78 | __aligned_u64 sq_memsize; |
79 | __aligned_u64 rq_memsize; |
80 | __u32 sqid; |
81 | __u32 rqid; |
82 | __u32 sq_size; |
83 | __u32 rq_size; |
84 | __u32 qid_mask; |
85 | __u32 flags; |
86 | }; |
87 | |
88 | struct c4iw_create_srq_resp { |
89 | __aligned_u64 srq_key; |
90 | __aligned_u64 srq_db_gts_key; |
91 | __aligned_u64 srq_memsize; |
92 | __u32 srqid; |
93 | __u32 srq_size; |
94 | __u32 rqt_abs_idx; |
95 | __u32 qid_mask; |
96 | __u32 flags; |
97 | __u32 reserved; /* explicit padding */ |
98 | }; |
99 | |
100 | enum { |
101 | /* HW supports SRQ_LIMIT_REACHED event */ |
102 | T4_SRQ_LIMIT_SUPPORT = 1 << 0, |
103 | }; |
104 | |
105 | struct c4iw_alloc_ucontext_resp { |
106 | __aligned_u64 status_page_key; |
107 | __u32 status_page_size; |
108 | __u32 reserved; /* explicit padding (optional for i386) */ |
109 | }; |
110 | |
111 | struct c4iw_alloc_pd_resp { |
112 | __u32 pdid; |
113 | }; |
114 | |
115 | #endif /* CXGB4_ABI_USER_H */ |
116 | |