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 */