xref: /linux/include/uapi/rdma/hns-abi.h (revision 1553a1c48281243359a9529a10ddb551f3b967ab)
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 enum hns_roce_srq_cap_flags {
56 	HNS_ROCE_SRQ_CAP_RECORD_DB = 1 << 0,
57 };
58 
59 enum hns_roce_srq_cap_flags_resp {
60 	HNS_ROCE_RSP_SRQ_CAP_RECORD_DB = 1 << 0,
61 };
62 
63 struct 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 
71 struct hns_roce_ib_create_srq_resp {
72 	__u32	srqn;
73 	__u32	cap_flags; /* Use enum hns_roce_srq_cap_flags */
74 };
75 
76 enum 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 
83 enum hns_roce_create_qp_comp_mask {
84 	HNS_ROCE_CREATE_QP_MASK_CONGEST_TYPE = 1 << 0,
85 };
86 
87 struct 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 
100 enum 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 
107 struct hns_roce_ib_create_qp_resp {
108 	__aligned_u64 cap_flags;
109 	__aligned_u64 dwqe_mmap_key;
110 };
111 
112 enum {
113 	HNS_ROCE_EXSGE_FLAGS = 1 << 0,
114 	HNS_ROCE_RQ_INLINE_FLAGS = 1 << 1,
115 	HNS_ROCE_CQE_INLINE_FLAGS = 1 << 2,
116 };
117 
118 enum {
119 	HNS_ROCE_RSP_EXSGE_FLAGS = 1 << 0,
120 	HNS_ROCE_RSP_RQ_INLINE_FLAGS = 1 << 1,
121 	HNS_ROCE_RSP_CQE_INLINE_FLAGS = 1 << 2,
122 };
123 
124 struct hns_roce_ib_alloc_ucontext_resp {
125 	__u32	qp_tab_size;
126 	__u32	cqe_size;
127 	__u32	srq_tab_size;
128 	__u32	reserved;
129 	__u32	config;
130 	__u32	max_inline_data;
131 	__u8	congest_type;
132 	__u8	reserved0[7];
133 };
134 
135 struct hns_roce_ib_alloc_ucontext {
136 	__u32 config;
137 	__u32 reserved;
138 };
139 
140 struct hns_roce_ib_alloc_pd_resp {
141 	__u32 pdn;
142 };
143 
144 struct hns_roce_ib_create_ah_resp {
145 	__u8 dmac[6];
146 	__u8 reserved[2];
147 };
148 
149 #endif /* HNS_ABI_USER_H */
150