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1 | /* |
2 | * Copyright (c) 2005 Topspin Communications. All rights reserved. |
3 | * Copyright (c) 2005 Intel Corporation. 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 | |
34 | #ifndef IB_USER_CM_H |
35 | #define IB_USER_CM_H |
36 | |
37 | #include <rdma/ib_user_sa.h> |
38 | |
39 | #define IB_USER_CM_ABI_VERSION 5 |
40 | |
41 | enum { |
42 | IB_USER_CM_CMD_CREATE_ID, |
43 | IB_USER_CM_CMD_DESTROY_ID, |
44 | IB_USER_CM_CMD_ATTR_ID, |
45 | |
46 | IB_USER_CM_CMD_LISTEN, |
47 | IB_USER_CM_CMD_NOTIFY, |
48 | |
49 | IB_USER_CM_CMD_SEND_REQ, |
50 | IB_USER_CM_CMD_SEND_REP, |
51 | IB_USER_CM_CMD_SEND_RTU, |
52 | IB_USER_CM_CMD_SEND_DREQ, |
53 | IB_USER_CM_CMD_SEND_DREP, |
54 | IB_USER_CM_CMD_SEND_REJ, |
55 | IB_USER_CM_CMD_SEND_MRA, |
56 | IB_USER_CM_CMD_SEND_LAP, |
57 | IB_USER_CM_CMD_SEND_APR, |
58 | IB_USER_CM_CMD_SEND_SIDR_REQ, |
59 | IB_USER_CM_CMD_SEND_SIDR_REP, |
60 | |
61 | IB_USER_CM_CMD_EVENT, |
62 | IB_USER_CM_CMD_INIT_QP_ATTR, |
63 | }; |
64 | /* |
65 | * command ABI structures. |
66 | */ |
67 | struct ib_ucm_cmd_hdr { |
68 | __u32 cmd; |
69 | __u16 in; |
70 | __u16 out; |
71 | }; |
72 | |
73 | struct ib_ucm_create_id { |
74 | __u64 uid; |
75 | __u64 response; |
76 | }; |
77 | |
78 | struct ib_ucm_create_id_resp { |
79 | __u32 id; |
80 | }; |
81 | |
82 | struct ib_ucm_destroy_id { |
83 | __u64 response; |
84 | __u32 id; |
85 | __u32 reserved; |
86 | }; |
87 | |
88 | struct ib_ucm_destroy_id_resp { |
89 | __u32 events_reported; |
90 | }; |
91 | |
92 | struct ib_ucm_attr_id { |
93 | __u64 response; |
94 | __u32 id; |
95 | __u32 reserved; |
96 | }; |
97 | |
98 | struct ib_ucm_attr_id_resp { |
99 | __be64 service_id; |
100 | __be64 service_mask; |
101 | __be32 local_id; |
102 | __be32 remote_id; |
103 | }; |
104 | |
105 | struct ib_ucm_init_qp_attr { |
106 | __u64 response; |
107 | __u32 id; |
108 | __u32 qp_state; |
109 | }; |
110 | |
111 | struct ib_ucm_listen { |
112 | __be64 service_id; |
113 | __be64 service_mask; |
114 | __u32 id; |
115 | __u32 reserved; |
116 | }; |
117 | |
118 | struct ib_ucm_notify { |
119 | __u32 id; |
120 | __u32 event; |
121 | }; |
122 | |
123 | struct ib_ucm_private_data { |
124 | __u64 data; |
125 | __u32 id; |
126 | __u8 len; |
127 | __u8 reserved[3]; |
128 | }; |
129 | |
130 | struct ib_ucm_req { |
131 | __u32 id; |
132 | __u32 qpn; |
133 | __u32 qp_type; |
134 | __u32 psn; |
135 | __be64 sid; |
136 | __u64 data; |
137 | __u64 primary_path; |
138 | __u64 alternate_path; |
139 | __u8 len; |
140 | __u8 peer_to_peer; |
141 | __u8 responder_resources; |
142 | __u8 initiator_depth; |
143 | __u8 remote_cm_response_timeout; |
144 | __u8 flow_control; |
145 | __u8 local_cm_response_timeout; |
146 | __u8 retry_count; |
147 | __u8 rnr_retry_count; |
148 | __u8 max_cm_retries; |
149 | __u8 srq; |
150 | __u8 reserved[5]; |
151 | }; |
152 | |
153 | struct ib_ucm_rep { |
154 | __u64 uid; |
155 | __u64 data; |
156 | __u32 id; |
157 | __u32 qpn; |
158 | __u32 psn; |
159 | __u8 len; |
160 | __u8 responder_resources; |
161 | __u8 initiator_depth; |
162 | __u8 target_ack_delay; |
163 | __u8 failover_accepted; |
164 | __u8 flow_control; |
165 | __u8 rnr_retry_count; |
166 | __u8 srq; |
167 | __u8 reserved[4]; |
168 | }; |
169 | |
170 | struct ib_ucm_info { |
171 | __u32 id; |
172 | __u32 status; |
173 | __u64 info; |
174 | __u64 data; |
175 | __u8 info_len; |
176 | __u8 data_len; |
177 | __u8 reserved[6]; |
178 | }; |
179 | |
180 | struct ib_ucm_mra { |
181 | __u64 data; |
182 | __u32 id; |
183 | __u8 len; |
184 | __u8 timeout; |
185 | __u8 reserved[2]; |
186 | }; |
187 | |
188 | struct ib_ucm_lap { |
189 | __u64 path; |
190 | __u64 data; |
191 | __u32 id; |
192 | __u8 len; |
193 | __u8 reserved[3]; |
194 | }; |
195 | |
196 | struct ib_ucm_sidr_req { |
197 | __u32 id; |
198 | __u32 timeout; |
199 | __be64 sid; |
200 | __u64 data; |
201 | __u64 path; |
202 | __u16 reserved_pkey; |
203 | __u8 len; |
204 | __u8 max_cm_retries; |
205 | __u8 reserved[4]; |
206 | }; |
207 | |
208 | struct ib_ucm_sidr_rep { |
209 | __u32 id; |
210 | __u32 qpn; |
211 | __u32 qkey; |
212 | __u32 status; |
213 | __u64 info; |
214 | __u64 data; |
215 | __u8 info_len; |
216 | __u8 data_len; |
217 | __u8 reserved[6]; |
218 | }; |
219 | /* |
220 | * event notification ABI structures. |
221 | */ |
222 | struct ib_ucm_event_get { |
223 | __u64 response; |
224 | __u64 data; |
225 | __u64 info; |
226 | __u8 data_len; |
227 | __u8 info_len; |
228 | __u8 reserved[6]; |
229 | }; |
230 | |
231 | struct ib_ucm_req_event_resp { |
232 | struct ib_user_path_rec primary_path; |
233 | struct ib_user_path_rec alternate_path; |
234 | __be64 remote_ca_guid; |
235 | __u32 remote_qkey; |
236 | __u32 remote_qpn; |
237 | __u32 qp_type; |
238 | __u32 starting_psn; |
239 | __u8 responder_resources; |
240 | __u8 initiator_depth; |
241 | __u8 local_cm_response_timeout; |
242 | __u8 flow_control; |
243 | __u8 remote_cm_response_timeout; |
244 | __u8 retry_count; |
245 | __u8 rnr_retry_count; |
246 | __u8 srq; |
247 | __u8 port; |
248 | __u8 reserved[7]; |
249 | }; |
250 | |
251 | struct ib_ucm_rep_event_resp { |
252 | __be64 remote_ca_guid; |
253 | __u32 remote_qkey; |
254 | __u32 remote_qpn; |
255 | __u32 starting_psn; |
256 | __u8 responder_resources; |
257 | __u8 initiator_depth; |
258 | __u8 target_ack_delay; |
259 | __u8 failover_accepted; |
260 | __u8 flow_control; |
261 | __u8 rnr_retry_count; |
262 | __u8 srq; |
263 | __u8 reserved[5]; |
264 | }; |
265 | |
266 | struct ib_ucm_rej_event_resp { |
267 | __u32 reason; |
268 | /* ari in ib_ucm_event_get info field. */ |
269 | }; |
270 | |
271 | struct ib_ucm_mra_event_resp { |
272 | __u8 timeout; |
273 | __u8 reserved[3]; |
274 | }; |
275 | |
276 | struct ib_ucm_lap_event_resp { |
277 | struct ib_user_path_rec path; |
278 | }; |
279 | |
280 | struct ib_ucm_apr_event_resp { |
281 | __u32 status; |
282 | /* apr info in ib_ucm_event_get info field. */ |
283 | }; |
284 | |
285 | struct ib_ucm_sidr_req_event_resp { |
286 | __u16 pkey; |
287 | __u8 port; |
288 | __u8 reserved; |
289 | }; |
290 | |
291 | struct ib_ucm_sidr_rep_event_resp { |
292 | __u32 status; |
293 | __u32 qkey; |
294 | __u32 qpn; |
295 | /* info in ib_ucm_event_get info field. */ |
296 | }; |
297 | |
298 | #define IB_UCM_PRES_DATA 0x01 |
299 | #define IB_UCM_PRES_INFO 0x02 |
300 | #define IB_UCM_PRES_PRIMARY 0x04 |
301 | #define IB_UCM_PRES_ALTERNATE 0x08 |
302 | |
303 | struct ib_ucm_event_resp { |
304 | __u64 uid; |
305 | __u32 id; |
306 | __u32 event; |
307 | __u32 present; |
308 | __u32 reserved; |
309 | union { |
310 | struct ib_ucm_req_event_resp req_resp; |
311 | struct ib_ucm_rep_event_resp rep_resp; |
312 | struct ib_ucm_rej_event_resp rej_resp; |
313 | struct ib_ucm_mra_event_resp mra_resp; |
314 | struct ib_ucm_lap_event_resp lap_resp; |
315 | struct ib_ucm_apr_event_resp apr_resp; |
316 | |
317 | struct ib_ucm_sidr_req_event_resp sidr_req_resp; |
318 | struct ib_ucm_sidr_rep_event_resp sidr_rep_resp; |
319 | |
320 | __u32 send_status; |
321 | } u; |
322 | }; |
323 | |
324 | #endif /* IB_USER_CM_H */ |
325 |
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