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
39struct hns_roce_ib_create_cq {
40 __aligned_u64 buf_addr;
41 __aligned_u64 db_addr;
42 __u32 cqe_size;
43 __u32 reserved;
44};
45
46enum hns_roce_cq_cap_flags {
47 HNS_ROCE_CQ_FLAG_RECORD_DB = 1 << 0,
48};
49
50struct hns_roce_ib_create_cq_resp {
51 __aligned_u64 cqn; /* Only 32 bits used, 64 for compat */
52 __aligned_u64 cap_flags;
53};
54
55enum hns_roce_srq_cap_flags {
56 HNS_ROCE_SRQ_CAP_RECORD_DB = 1 << 0,
57};
58
59enum hns_roce_srq_cap_flags_resp {
60 HNS_ROCE_RSP_SRQ_CAP_RECORD_DB = 1 << 0,
61};
62
63struct hns_roce_ib_create_srq {
64 __aligned_u64 buf_addr;
65 __aligned_u64 db_addr;
66 __aligned_u64 que_addr;
67 __u32 req_cap_flags; /* Use enum hns_roce_srq_cap_flags */
68 __u32 reserved;
69};
70
71struct hns_roce_ib_create_srq_resp {
72 __u32 srqn;
73 __u32 cap_flags; /* Use enum hns_roce_srq_cap_flags */
74};
75
76enum hns_roce_congest_type_flags {
77 HNS_ROCE_CREATE_QP_FLAGS_DCQCN,
78 HNS_ROCE_CREATE_QP_FLAGS_LDCP,
79 HNS_ROCE_CREATE_QP_FLAGS_HC3,
80 HNS_ROCE_CREATE_QP_FLAGS_DIP,
81};
82
83enum hns_roce_create_qp_comp_mask {
84 HNS_ROCE_CREATE_QP_MASK_CONGEST_TYPE = 1 << 0,
85};
86
87struct hns_roce_ib_create_qp {
88 __aligned_u64 buf_addr;
89 __aligned_u64 db_addr;
90 __u8 log_sq_bb_count;
91 __u8 log_sq_stride;
92 __u8 sq_no_prefetch;
93 __u8 reserved[5];
94 __aligned_u64 sdb_addr;
95 __aligned_u64 comp_mask; /* Use enum hns_roce_create_qp_comp_mask */
96 __aligned_u64 create_flags;
97 __aligned_u64 cong_type_flags;
98};
99
100enum hns_roce_qp_cap_flags {
101 HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0,
102 HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1,
103 HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2,
104 HNS_ROCE_QP_CAP_DIRECT_WQE = 1 << 5,
105};
106
107struct hns_roce_ib_create_qp_resp {
108 __aligned_u64 cap_flags;
109 __aligned_u64 dwqe_mmap_key;
110};
111
112struct hns_roce_ib_modify_qp_resp {
113 __u8 tc_mode;
114 __u8 priority;
115 __u8 reserved[6];
116};
117
118enum {
119 HNS_ROCE_EXSGE_FLAGS = 1 << 0,
120 HNS_ROCE_RQ_INLINE_FLAGS = 1 << 1,
121 HNS_ROCE_CQE_INLINE_FLAGS = 1 << 2,
122};
123
124enum {
125 HNS_ROCE_RSP_EXSGE_FLAGS = 1 << 0,
126 HNS_ROCE_RSP_RQ_INLINE_FLAGS = 1 << 1,
127 HNS_ROCE_RSP_CQE_INLINE_FLAGS = 1 << 2,
128};
129
130struct hns_roce_ib_alloc_ucontext_resp {
131 __u32 qp_tab_size;
132 __u32 cqe_size;
133 __u32 srq_tab_size;
134 __u32 reserved;
135 __u32 config;
136 __u32 max_inline_data;
137 __u8 congest_type;
138 __u8 reserved0[7];
139};
140
141struct hns_roce_ib_alloc_ucontext {
142 __u32 config;
143 __u32 reserved;
144};
145
146struct hns_roce_ib_alloc_pd_resp {
147 __u32 pdn;
148};
149
150struct hns_roce_ib_create_ah_resp {
151 __u8 dmac[6];
152 __u8 priority;
153 __u8 tc_mode;
154};
155
156#endif /* HNS_ABI_USER_H */
157

source code of linux/include/uapi/rdma/hns-abi.h