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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
41enum {
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
66
67struct ib_ucm_cmd_hdr {
68 __u32 cmd;
69 __u16 in;
70 __u16 out;
71};
72
73struct ib_ucm_create_id {
74 __u64 uid;
75 __u64 response;
76};
77
78struct ib_ucm_create_id_resp {
79 __u32 id;
80};
81
82struct ib_ucm_destroy_id {
83 __u64 response;
84 __u32 id;
85 __u32 reserved;
86};
87
88struct ib_ucm_destroy_id_resp {
89 __u32 events_reported;
90};
91
92struct ib_ucm_attr_id {
93 __u64 response;
94 __u32 id;
95 __u32 reserved;
96};
97
98struct ib_ucm_attr_id_resp {
99 __be64 service_id;
100 __be64 service_mask;
101 __be32 local_id;
102 __be32 remote_id;
103};
104
105struct ib_ucm_init_qp_attr {
106 __u64 response;
107 __u32 id;
108 __u32 qp_state;
109};
110
111struct ib_ucm_listen {
112 __be64 service_id;
113 __be64 service_mask;
114 __u32 id;
115 __u32 reserved;
116};
117
118struct ib_ucm_notify {
119 __u32 id;
120 __u32 event;
121};
122
123struct ib_ucm_private_data {
124 __u64 data;
125 __u32 id;
126 __u8 len;
127 __u8 reserved[3];
128};
129
130struct 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
153struct 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
170struct 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
180struct ib_ucm_mra {
181 __u64 data;
182 __u32 id;
183 __u8 len;
184 __u8 timeout;
185 __u8 reserved[2];
186};
187
188struct ib_ucm_lap {
189 __u64 path;
190 __u64 data;
191 __u32 id;
192 __u8 len;
193 __u8 reserved[3];
194};
195
196struct 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
208struct 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
221
222struct 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
231struct 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
251struct 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
266struct ib_ucm_rej_event_resp {
267 __u32 reason;
268
269};
270
271struct ib_ucm_mra_event_resp {
272 __u8 timeout;
273 __u8 reserved[3];
274};
275
276struct ib_ucm_lap_event_resp {
277 struct ib_user_path_rec path;
278};
279
280struct ib_ucm_apr_event_resp {
281 __u32 status;
282
283};
284
285struct ib_ucm_sidr_req_event_resp {
286 __u16 pkey;
287 __u8 port;
288 __u8 reserved;
289};
290
291struct ib_ucm_sidr_rep_event_resp {
292 __u32 status;
293 __u32 qkey;
294 __u32 qpn;
295
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
303struct 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
325