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75216638 SH |
1 | /* |
2 | * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #ifndef RDMA_USER_CM_H | |
34 | #define RDMA_USER_CM_H | |
35 | ||
36 | #include <linux/types.h> | |
37 | #include <linux/in6.h> | |
38 | #include <rdma/ib_user_verbs.h> | |
39 | #include <rdma/ib_user_sa.h> | |
40 | ||
c8f6a362 | 41 | #define RDMA_USER_CM_ABI_VERSION 4 |
75216638 SH |
42 | |
43 | #define RDMA_MAX_PRIVATE_DATA 256 | |
44 | ||
45 | enum { | |
46 | RDMA_USER_CM_CMD_CREATE_ID, | |
47 | RDMA_USER_CM_CMD_DESTROY_ID, | |
48 | RDMA_USER_CM_CMD_BIND_ADDR, | |
49 | RDMA_USER_CM_CMD_RESOLVE_ADDR, | |
50 | RDMA_USER_CM_CMD_RESOLVE_ROUTE, | |
51 | RDMA_USER_CM_CMD_QUERY_ROUTE, | |
52 | RDMA_USER_CM_CMD_CONNECT, | |
53 | RDMA_USER_CM_CMD_LISTEN, | |
54 | RDMA_USER_CM_CMD_ACCEPT, | |
55 | RDMA_USER_CM_CMD_REJECT, | |
56 | RDMA_USER_CM_CMD_DISCONNECT, | |
57 | RDMA_USER_CM_CMD_INIT_QP_ATTR, | |
58 | RDMA_USER_CM_CMD_GET_EVENT, | |
59 | RDMA_USER_CM_CMD_GET_OPTION, | |
60 | RDMA_USER_CM_CMD_SET_OPTION, | |
c8f6a362 SH |
61 | RDMA_USER_CM_CMD_NOTIFY, |
62 | RDMA_USER_CM_CMD_JOIN_MCAST, | |
88314e4d SH |
63 | RDMA_USER_CM_CMD_LEAVE_MCAST, |
64 | RDMA_USER_CM_CMD_MIGRATE_ID | |
75216638 SH |
65 | }; |
66 | ||
67 | /* | |
68 | * command ABI structures. | |
69 | */ | |
70 | struct rdma_ucm_cmd_hdr { | |
71 | __u32 cmd; | |
72 | __u16 in; | |
73 | __u16 out; | |
74 | }; | |
75 | ||
76 | struct rdma_ucm_create_id { | |
77 | __u64 uid; | |
78 | __u64 response; | |
79 | __u16 ps; | |
638ef7a6 SH |
80 | __u8 qp_type; |
81 | __u8 reserved[5]; | |
75216638 SH |
82 | }; |
83 | ||
84 | struct rdma_ucm_create_id_resp { | |
85 | __u32 id; | |
86 | }; | |
87 | ||
88 | struct rdma_ucm_destroy_id { | |
89 | __u64 response; | |
90 | __u32 id; | |
91 | __u32 reserved; | |
92 | }; | |
93 | ||
94 | struct rdma_ucm_destroy_id_resp { | |
95 | __u32 events_reported; | |
96 | }; | |
97 | ||
98 | struct rdma_ucm_bind_addr { | |
99 | __u64 response; | |
100 | struct sockaddr_in6 addr; | |
101 | __u32 id; | |
102 | }; | |
103 | ||
104 | struct rdma_ucm_resolve_addr { | |
105 | struct sockaddr_in6 src_addr; | |
106 | struct sockaddr_in6 dst_addr; | |
107 | __u32 id; | |
108 | __u32 timeout_ms; | |
109 | }; | |
110 | ||
111 | struct rdma_ucm_resolve_route { | |
112 | __u32 id; | |
113 | __u32 timeout_ms; | |
114 | }; | |
115 | ||
116 | struct rdma_ucm_query_route { | |
117 | __u64 response; | |
118 | __u32 id; | |
119 | __u32 reserved; | |
120 | }; | |
121 | ||
122 | struct rdma_ucm_query_route_resp { | |
123 | __u64 node_guid; | |
124 | struct ib_user_path_rec ib_route[2]; | |
125 | struct sockaddr_in6 src_addr; | |
126 | struct sockaddr_in6 dst_addr; | |
127 | __u32 num_paths; | |
128 | __u8 port_num; | |
129 | __u8 reserved[3]; | |
130 | }; | |
131 | ||
132 | struct rdma_ucm_conn_param { | |
133 | __u32 qp_num; | |
134 | __u32 reserved; | |
135 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
136 | __u8 private_data_len; | |
137 | __u8 srq; | |
138 | __u8 responder_resources; | |
139 | __u8 initiator_depth; | |
140 | __u8 flow_control; | |
141 | __u8 retry_count; | |
142 | __u8 rnr_retry_count; | |
143 | __u8 valid; | |
144 | }; | |
145 | ||
146 | struct rdma_ucm_ud_param { | |
147 | __u32 qp_num; | |
148 | __u32 qkey; | |
149 | struct ib_uverbs_ah_attr ah_attr; | |
150 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
151 | __u8 private_data_len; | |
152 | __u8 reserved[7]; | |
153 | }; | |
154 | ||
155 | struct rdma_ucm_connect { | |
156 | struct rdma_ucm_conn_param conn_param; | |
157 | __u32 id; | |
158 | __u32 reserved; | |
159 | }; | |
160 | ||
161 | struct rdma_ucm_listen { | |
162 | __u32 id; | |
163 | __u32 backlog; | |
164 | }; | |
165 | ||
166 | struct rdma_ucm_accept { | |
167 | __u64 uid; | |
168 | struct rdma_ucm_conn_param conn_param; | |
169 | __u32 id; | |
170 | __u32 reserved; | |
171 | }; | |
172 | ||
173 | struct rdma_ucm_reject { | |
174 | __u32 id; | |
175 | __u8 private_data_len; | |
176 | __u8 reserved[3]; | |
177 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
178 | }; | |
179 | ||
180 | struct rdma_ucm_disconnect { | |
181 | __u32 id; | |
182 | }; | |
183 | ||
184 | struct rdma_ucm_init_qp_attr { | |
185 | __u64 response; | |
186 | __u32 id; | |
187 | __u32 qp_state; | |
188 | }; | |
189 | ||
190 | struct rdma_ucm_notify { | |
191 | __u32 id; | |
192 | __u32 event; | |
193 | }; | |
194 | ||
c8f6a362 SH |
195 | struct rdma_ucm_join_mcast { |
196 | __u64 response; /* rdma_ucm_create_id_resp */ | |
197 | __u64 uid; | |
198 | struct sockaddr_in6 addr; | |
199 | __u32 id; | |
200 | }; | |
201 | ||
75216638 SH |
202 | struct rdma_ucm_get_event { |
203 | __u64 response; | |
204 | }; | |
205 | ||
206 | struct rdma_ucm_event_resp { | |
207 | __u64 uid; | |
208 | __u32 id; | |
209 | __u32 event; | |
210 | __u32 status; | |
211 | union { | |
212 | struct rdma_ucm_conn_param conn; | |
213 | struct rdma_ucm_ud_param ud; | |
214 | } param; | |
215 | }; | |
216 | ||
7ce86409 SH |
217 | /* Option levels */ |
218 | enum { | |
a7ca1f00 SH |
219 | RDMA_OPTION_ID = 0, |
220 | RDMA_OPTION_IB = 1 | |
7ce86409 SH |
221 | }; |
222 | ||
223 | /* Option details */ | |
224 | enum { | |
a9bb7912 HS |
225 | RDMA_OPTION_ID_TOS = 0, |
226 | RDMA_OPTION_ID_REUSEADDR = 1, | |
68602120 | 227 | RDMA_OPTION_ID_AFONLY = 2, |
a9bb7912 | 228 | RDMA_OPTION_IB_PATH = 1 |
7ce86409 SH |
229 | }; |
230 | ||
231 | struct rdma_ucm_set_option { | |
232 | __u64 optval; | |
233 | __u32 id; | |
234 | __u32 level; | |
235 | __u32 optname; | |
236 | __u32 optlen; | |
237 | }; | |
238 | ||
88314e4d SH |
239 | struct rdma_ucm_migrate_id { |
240 | __u64 response; | |
241 | __u32 id; | |
242 | __u32 fd; | |
243 | }; | |
244 | ||
245 | struct rdma_ucm_migrate_resp { | |
246 | __u32 events_reported; | |
247 | }; | |
248 | ||
75216638 | 249 | #endif /* RDMA_USER_CM_H */ |