1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2 /*
3  * Copyright (c) 2016 Hisilicon Limited.
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 HNS_ABI_USER_H
35 #define HNS_ABI_USER_H
36 
37 #include <linux/types.h>
38 
39 struct hns_roce_ib_create_cq {
40 	__aligned_u64 buf_addr;
41 	__aligned_u64 db_addr;
42 	__u32 cqe_size;
43 	__u32 reserved;
44 };
45 
46 enum hns_roce_cq_cap_flags {
47 	HNS_ROCE_CQ_FLAG_RECORD_DB = 1 << 0,
48 };
49 
50 struct hns_roce_ib_create_cq_resp {
51 	__aligned_u64 cqn; /* Only 32 bits used, 64 for compat */
52 	__aligned_u64 cap_flags;
53 };
54 
55 struct hns_roce_ib_create_srq {
56 	__aligned_u64 buf_addr;
57 	__aligned_u64 db_addr;
58 	__aligned_u64 que_addr;
59 };
60 
61 struct hns_roce_ib_create_srq_resp {
62 	__u32	srqn;
63 	__u32	reserved;
64 };
65 
66 struct hns_roce_ib_create_qp {
67 	__aligned_u64 buf_addr;
68 	__aligned_u64 db_addr;
69 	__u8    log_sq_bb_count;
70 	__u8    log_sq_stride;
71 	__u8    sq_no_prefetch;
72 	__u8    reserved[5];
73 	__aligned_u64 sdb_addr;
74 };
75 
76 enum hns_roce_qp_cap_flags {
77 	HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0,
78 	HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1,
79 	HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2,
80 };
81 
82 struct hns_roce_ib_create_qp_resp {
83 	__aligned_u64 cap_flags;
84 };
85 
86 struct hns_roce_ib_alloc_ucontext_resp {
87 	__u32	qp_tab_size;
88 	__u32	cqe_size;
89 	__u32	srq_tab_size;
90 	__u32	reserved;
91 };
92 
93 struct hns_roce_ib_alloc_pd_resp {
94 	__u32 pdn;
95 };
96 
97 #endif /* HNS_ABI_USER_H */
98