---

---

---

001: /*
002:  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
003:  * Copyright (c) 2005 Intel Corporation.  All rights reserved.
004:  *
005:  * This software is available to you under a choice of one of two
006:  * licenses.  You may choose to be licensed under the terms of the GNU
007:  * General Public License (GPL) Version 2, available from the file
008:  * COPYING in the main directory of this source tree, or the
009:  * OpenIB.org BSD license below:
010:  *
011:  *     Redistribution and use in source and binary forms, with or
012:  *     without modification, are permitted provided that the following
013:  *     conditions are met:
014:  *
015:  *      - Redistributions of source code must retain the above
016:  *        copyright notice, this list of conditions and the following
017:  *        disclaimer.
018:  *
019:  *      - Redistributions in binary form must reproduce the above
020:  *        copyright notice, this list of conditions and the following
021:  *        disclaimer in the documentation and/or other materials
022:  *        provided with the distribution.
023:  *
024:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
025:  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
026:  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
027:  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
028:  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
029:  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
030:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
031:  * SOFTWARE.
032:  */
033: 
034: #ifndef IB_USER_CM_H
035: #define IB_USER_CM_H
036: 
037: #include <linux/types.h>
038: #include <rdma/ib_user_sa.h>
039: 
040: #define IB_USER_CM_ABI_VERSION 5
041: 
042: enum {
043:         IB_USER_CM_CMD_CREATE_ID,
044:         IB_USER_CM_CMD_DESTROY_ID,
045:         IB_USER_CM_CMD_ATTR_ID,
046: 
047:         IB_USER_CM_CMD_LISTEN,
048:         IB_USER_CM_CMD_NOTIFY,
049: 
050:         IB_USER_CM_CMD_SEND_REQ,
051:         IB_USER_CM_CMD_SEND_REP,
052:         IB_USER_CM_CMD_SEND_RTU,
053:         IB_USER_CM_CMD_SEND_DREQ,
054:         IB_USER_CM_CMD_SEND_DREP,
055:         IB_USER_CM_CMD_SEND_REJ,
056:         IB_USER_CM_CMD_SEND_MRA,
057:         IB_USER_CM_CMD_SEND_LAP,
058:         IB_USER_CM_CMD_SEND_APR,
059:         IB_USER_CM_CMD_SEND_SIDR_REQ,
060:         IB_USER_CM_CMD_SEND_SIDR_REP,
061: 
062:         IB_USER_CM_CMD_EVENT,
063:         IB_USER_CM_CMD_INIT_QP_ATTR,
064: };
065: /*
066:  * command ABI structures.
067:  */
068: struct ib_ucm_cmd_hdr {
069:         __u32 cmd;
070:         __u16 in;
071:         __u16 out;
072: };
073: 
074: struct ib_ucm_create_id {
075:         __u64 uid;
076:         __u64 response;
077: };
078: 
079: struct ib_ucm_create_id_resp {
080:         __u32 id;
081: };
082: 
083: struct ib_ucm_destroy_id {
084:         __u64 response;
085:         __u32 id;
086:         __u32 reserved;
087: };
088: 
089: struct ib_ucm_destroy_id_resp {
090:         __u32 events_reported;
091: };
092: 
093: struct ib_ucm_attr_id {
094:         __u64 response;
095:         __u32 id;
096:         __u32 reserved;
097: };
098: 
099: struct ib_ucm_attr_id_resp {
100:         __be64 service_id;
101:         __be64 service_mask;
102:         __be32 local_id;
103:         __be32 remote_id;
104: };
105: 
106: struct ib_ucm_init_qp_attr {
107:         __u64 response;
108:         __u32 id;
109:         __u32 qp_state;
110: };
111: 
112: struct ib_ucm_listen {
113:         __be64 service_id;
114:         __be64 service_mask;
115:         __u32 id;
116:         __u32 reserved;
117: };
118: 
119: struct ib_ucm_notify {
120:         __u32 id;
121:         __u32 event;
122: };
123: 
124: struct ib_ucm_private_data {
125:         __u64 data;
126:         __u32 id;
127:         __u8  len;
128:         __u8  reserved[3];
129: };
130: 
131: struct ib_ucm_req {
132:         __u32 id;
133:         __u32 qpn;
134:         __u32 qp_type;
135:         __u32 psn;
136:         __be64 sid;
137:         __u64 data;
138:         __u64 primary_path;
139:         __u64 alternate_path;
140:         __u8  len;
141:         __u8  peer_to_peer;
142:         __u8  responder_resources;
143:         __u8  initiator_depth;
144:         __u8  remote_cm_response_timeout;
145:         __u8  flow_control;
146:         __u8  local_cm_response_timeout;
147:         __u8  retry_count;
148:         __u8  rnr_retry_count;
149:         __u8  max_cm_retries;
150:         __u8  srq;
151:         __u8  reserved[5];
152: };
153: 
154: struct ib_ucm_rep {
155:         __u64 uid;
156:         __u64 data;
157:         __u32 id;
158:         __u32 qpn;
159:         __u32 psn;
160:         __u8  len;
161:         __u8  responder_resources;
162:         __u8  initiator_depth;
163:         __u8  target_ack_delay;
164:         __u8  failover_accepted;
165:         __u8  flow_control;
166:         __u8  rnr_retry_count;
167:         __u8  srq;
168:         __u8  reserved[4];
169: };
170: 
171: struct ib_ucm_info {
172:         __u32 id;
173:         __u32 status;
174:         __u64 info;
175:         __u64 data;
176:         __u8  info_len;
177:         __u8  data_len;
178:         __u8  reserved[6];
179: };
180: 
181: struct ib_ucm_mra {
182:         __u64 data;
183:         __u32 id;
184:         __u8  len;
185:         __u8  timeout;
186:         __u8  reserved[2];
187: };
188: 
189: struct ib_ucm_lap {
190:         __u64 path;
191:         __u64 data;
192:         __u32 id;
193:         __u8  len;
194:         __u8  reserved[3];
195: };
196: 
197: struct ib_ucm_sidr_req {
198:         __u32 id;
199:         __u32 timeout;
200:         __be64 sid;
201:         __u64 data;
202:         __u64 path;
203:         __u16 reserved_pkey;
204:         __u8  len;
205:         __u8  max_cm_retries;
206:         __u8  reserved[4];
207: };
208: 
209: struct ib_ucm_sidr_rep {
210:         __u32 id;
211:         __u32 qpn;
212:         __u32 qkey;
213:         __u32 status;
214:         __u64 info;
215:         __u64 data;
216:         __u8  info_len;
217:         __u8  data_len;
218:         __u8  reserved[6];
219: };
220: /*
221:  * event notification ABI structures.
222:  */
223: struct ib_ucm_event_get {
224:         __u64 response;
225:         __u64 data;
226:         __u64 info;
227:         __u8  data_len;
228:         __u8  info_len;
229:         __u8  reserved[6];
230: };
231: 
232: struct ib_ucm_req_event_resp {
233:         struct ib_user_path_rec primary_path;
234:         struct ib_user_path_rec alternate_path;
235:         __be64                 remote_ca_guid;
236:         __u32                  remote_qkey;
237:         __u32                  remote_qpn;
238:         __u32                  qp_type;
239:         __u32                  starting_psn;
240:         __u8  responder_resources;
241:         __u8  initiator_depth;
242:         __u8  local_cm_response_timeout;
243:         __u8  flow_control;
244:         __u8  remote_cm_response_timeout;
245:         __u8  retry_count;
246:         __u8  rnr_retry_count;
247:         __u8  srq;
248:         __u8  port;
249:         __u8  reserved[7];
250: };
251: 
252: struct ib_ucm_rep_event_resp {
253:         __be64 remote_ca_guid;
254:         __u32 remote_qkey;
255:         __u32 remote_qpn;
256:         __u32 starting_psn;
257:         __u8  responder_resources;
258:         __u8  initiator_depth;
259:         __u8  target_ack_delay;
260:         __u8  failover_accepted;
261:         __u8  flow_control;
262:         __u8  rnr_retry_count;
263:         __u8  srq;
264:         __u8  reserved[5];
265: };
266: 
267: struct ib_ucm_rej_event_resp {
268:         __u32 reason;
269:         /* ari in ib_ucm_event_get info field. */
270: };
271: 
272: struct ib_ucm_mra_event_resp {
273:         __u8  timeout;
274:         __u8  reserved[3];
275: };
276: 
277: struct ib_ucm_lap_event_resp {
278:         struct ib_user_path_rec path;
279: };
280: 
281: struct ib_ucm_apr_event_resp {
282:         __u32 status;
283:         /* apr info in ib_ucm_event_get info field. */
284: };
285: 
286: struct ib_ucm_sidr_req_event_resp {
287:         __u16 pkey;
288:         __u8  port;
289:         __u8  reserved;
290: };
291: 
292: struct ib_ucm_sidr_rep_event_resp {
293:         __u32 status;
294:         __u32 qkey;
295:         __u32 qpn;
296:         /* info in ib_ucm_event_get info field. */
297: };
298: 
299: #define IB_UCM_PRES_DATA      0x01
300: #define IB_UCM_PRES_INFO      0x02
301: #define IB_UCM_PRES_PRIMARY   0x04
302: #define IB_UCM_PRES_ALTERNATE 0x08
303: 
304: struct ib_ucm_event_resp {
305:         __u64 uid;
306:         __u32 id;
307:         __u32 event;
308:         __u32 present;
309:         __u32 reserved;
310:         union {
311:                 struct ib_ucm_req_event_resp req_resp;
312:                 struct ib_ucm_rep_event_resp rep_resp;
313:                 struct ib_ucm_rej_event_resp rej_resp;
314:                 struct ib_ucm_mra_event_resp mra_resp;
315:                 struct ib_ucm_lap_event_resp lap_resp;
316:                 struct ib_ucm_apr_event_resp apr_resp;
317: 
318:                 struct ib_ucm_sidr_req_event_resp sidr_req_resp;
319:                 struct ib_ucm_sidr_rep_event_resp sidr_rep_resp;
320: 
321:                 __u32                             send_status;
322:         } u;
323: };
324: 
325: #endif /* IB_USER_CM_H */
326: 

---

---

---