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
48enum {
49	C4IW_64B_CQE = (1 << 0)
50};
51
52struct c4iw_create_cq {
53	__u32 flags;
54	__u32 reserved;
55};
56
57struct 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
67enum {
68	C4IW_QPF_ONCHIP	= (1 << 0),
69	C4IW_QPF_WRITE_W_IMM = (1 << 1)
70};
71
72struct 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
88struct 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
100enum {
101	/* HW supports SRQ_LIMIT_REACHED event */
102	T4_SRQ_LIMIT_SUPPORT = 1 << 0,
103};
104
105struct 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
111struct c4iw_alloc_pd_resp {
112	__u32 pdid;
113};
114
115#endif /* CXGB4_ABI_USER_H */
116