---

---

---

001: /*
002:  * Copyright (c) 2005-2006 Intel Corporation.  All rights reserved.
003:  *
004:  * This software is available to you under a choice of one of two
005:  * licenses.  You may choose to be licensed under the terms of the GNU
006:  * General Public License (GPL) Version 2, available from the file
007:  * COPYING in the main directory of this source tree, or the
008:  * OpenIB.org BSD license below:
009:  *
010:  *     Redistribution and use in source and binary forms, with or
011:  *     without modification, are permitted provided that the following
012:  *     conditions are met:
013:  *
014:  *      - Redistributions of source code must retain the above
015:  *        copyright notice, this list of conditions and the following
016:  *        disclaimer.
017:  *
018:  *      - Redistributions in binary form must reproduce the above
019:  *        copyright notice, this list of conditions and the following
020:  *        disclaimer in the documentation and/or other materials
021:  *        provided with the distribution.
022:  *
023:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
024:  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
025:  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
026:  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
027:  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
028:  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
029:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
030:  * SOFTWARE.
031:  */
032: 
033: #ifndef RDMA_USER_CM_H
034: #define RDMA_USER_CM_H
035: 
036: #include <linux/types.h>
037: #include <linux/in6.h>
038: #include <rdma/ib_user_verbs.h>
039: #include <rdma/ib_user_sa.h>
040: 
041: #define RDMA_USER_CM_ABI_VERSION        4
042: 
043: #define RDMA_MAX_PRIVATE_DATA           256
044: 
045: enum {
046:         RDMA_USER_CM_CMD_CREATE_ID,
047:         RDMA_USER_CM_CMD_DESTROY_ID,
048:         RDMA_USER_CM_CMD_BIND_ADDR,
049:         RDMA_USER_CM_CMD_RESOLVE_ADDR,
050:         RDMA_USER_CM_CMD_RESOLVE_ROUTE,
051:         RDMA_USER_CM_CMD_QUERY_ROUTE,
052:         RDMA_USER_CM_CMD_CONNECT,
053:         RDMA_USER_CM_CMD_LISTEN,
054:         RDMA_USER_CM_CMD_ACCEPT,
055:         RDMA_USER_CM_CMD_REJECT,
056:         RDMA_USER_CM_CMD_DISCONNECT,
057:         RDMA_USER_CM_CMD_INIT_QP_ATTR,
058:         RDMA_USER_CM_CMD_GET_EVENT,
059:         RDMA_USER_CM_CMD_GET_OPTION,
060:         RDMA_USER_CM_CMD_SET_OPTION,
061:         RDMA_USER_CM_CMD_NOTIFY,
062:         RDMA_USER_CM_CMD_JOIN_MCAST,
063:         RDMA_USER_CM_CMD_LEAVE_MCAST,
064:         RDMA_USER_CM_CMD_MIGRATE_ID
065: };
066: 
067: /*
068:  * command ABI structures.
069:  */
070: struct rdma_ucm_cmd_hdr {
071:         __u32 cmd;
072:         __u16 in;
073:         __u16 out;
074: };
075: 
076: struct rdma_ucm_create_id {
077:         __u64 uid;
078:         __u64 response;
079:         __u16 ps;
080:         __u8  qp_type;
081:         __u8  reserved[5];
082: };
083: 
084: struct rdma_ucm_create_id_resp {
085:         __u32 id;
086: };
087: 
088: struct rdma_ucm_destroy_id {
089:         __u64 response;
090:         __u32 id;
091:         __u32 reserved;
092: };
093: 
094: struct rdma_ucm_destroy_id_resp {
095:         __u32 events_reported;
096: };
097: 
098: struct rdma_ucm_bind_addr {
099:         __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: 
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: 
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: 
217: /* Option levels */
218: enum {
219:         RDMA_OPTION_ID          = 0,
220:         RDMA_OPTION_IB          = 1
221: };
222: 
223: /* Option details */
224: enum {
225:         RDMA_OPTION_ID_TOS       = 0,
226:         RDMA_OPTION_ID_REUSEADDR = 1,
227:         RDMA_OPTION_IB_PATH      = 1
228: };
229: 
230: struct rdma_ucm_set_option {
231:         __u64 optval;
232:         __u32 id;
233:         __u32 level;
234:         __u32 optname;
235:         __u32 optlen;
236: };
237: 
238: struct rdma_ucm_migrate_id {
239:         __u64 response;
240:         __u32 id;
241:         __u32 fd;
242: };
243: 
244: struct rdma_ucm_migrate_resp {
245:         __u32 events_reported;
246: };
247: 
248: #endif /* RDMA_USER_CM_H */
249: 

---

---

---