fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / rdma / ib_user_cm.h
blob37650afb982c7ee85608157ea4df5118968fa82f
1 /*
2 * Copyright (c) 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Intel Corporation. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
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.
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.
33 * $Id: ib_user_cm.h 4019 2005-11-11 00:33:09Z sean.hefty $
36 #ifndef IB_USER_CM_H
37 #define IB_USER_CM_H
39 #include <rdma/ib_user_sa.h>
41 #define IB_USER_CM_ABI_VERSION 5
43 enum {
44 IB_USER_CM_CMD_CREATE_ID,
45 IB_USER_CM_CMD_DESTROY_ID,
46 IB_USER_CM_CMD_ATTR_ID,
48 IB_USER_CM_CMD_LISTEN,
49 IB_USER_CM_CMD_NOTIFY,
51 IB_USER_CM_CMD_SEND_REQ,
52 IB_USER_CM_CMD_SEND_REP,
53 IB_USER_CM_CMD_SEND_RTU,
54 IB_USER_CM_CMD_SEND_DREQ,
55 IB_USER_CM_CMD_SEND_DREP,
56 IB_USER_CM_CMD_SEND_REJ,
57 IB_USER_CM_CMD_SEND_MRA,
58 IB_USER_CM_CMD_SEND_LAP,
59 IB_USER_CM_CMD_SEND_APR,
60 IB_USER_CM_CMD_SEND_SIDR_REQ,
61 IB_USER_CM_CMD_SEND_SIDR_REP,
63 IB_USER_CM_CMD_EVENT,
64 IB_USER_CM_CMD_INIT_QP_ATTR,
67 * command ABI structures.
69 struct ib_ucm_cmd_hdr {
70 __u32 cmd;
71 __u16 in;
72 __u16 out;
75 struct ib_ucm_create_id {
76 __u64 uid;
77 __u64 response;
80 struct ib_ucm_create_id_resp {
81 __u32 id;
84 struct ib_ucm_destroy_id {
85 __u64 response;
86 __u32 id;
87 __u32 reserved;
90 struct ib_ucm_destroy_id_resp {
91 __u32 events_reported;
94 struct ib_ucm_attr_id {
95 __u64 response;
96 __u32 id;
97 __u32 reserved;
100 struct ib_ucm_attr_id_resp {
101 __be64 service_id;
102 __be64 service_mask;
103 __be32 local_id;
104 __be32 remote_id;
107 struct ib_ucm_init_qp_attr {
108 __u64 response;
109 __u32 id;
110 __u32 qp_state;
113 struct ib_ucm_listen {
114 __be64 service_id;
115 __be64 service_mask;
116 __u32 id;
117 __u32 reserved;
120 struct ib_ucm_notify {
121 __u32 id;
122 __u32 event;
125 struct ib_ucm_private_data {
126 __u64 data;
127 __u32 id;
128 __u8 len;
129 __u8 reserved[3];
132 struct ib_ucm_req {
133 __u32 id;
134 __u32 qpn;
135 __u32 qp_type;
136 __u32 psn;
137 __be64 sid;
138 __u64 data;
139 __u64 primary_path;
140 __u64 alternate_path;
141 __u8 len;
142 __u8 peer_to_peer;
143 __u8 responder_resources;
144 __u8 initiator_depth;
145 __u8 remote_cm_response_timeout;
146 __u8 flow_control;
147 __u8 local_cm_response_timeout;
148 __u8 retry_count;
149 __u8 rnr_retry_count;
150 __u8 max_cm_retries;
151 __u8 srq;
152 __u8 reserved[5];
155 struct ib_ucm_rep {
156 __u64 uid;
157 __u64 data;
158 __u32 id;
159 __u32 qpn;
160 __u32 psn;
161 __u8 len;
162 __u8 responder_resources;
163 __u8 initiator_depth;
164 __u8 target_ack_delay;
165 __u8 failover_accepted;
166 __u8 flow_control;
167 __u8 rnr_retry_count;
168 __u8 srq;
169 __u8 reserved[4];
172 struct ib_ucm_info {
173 __u32 id;
174 __u32 status;
175 __u64 info;
176 __u64 data;
177 __u8 info_len;
178 __u8 data_len;
179 __u8 reserved[6];
182 struct ib_ucm_mra {
183 __u64 data;
184 __u32 id;
185 __u8 len;
186 __u8 timeout;
187 __u8 reserved[2];
190 struct ib_ucm_lap {
191 __u64 path;
192 __u64 data;
193 __u32 id;
194 __u8 len;
195 __u8 reserved[3];
198 struct ib_ucm_sidr_req {
199 __u32 id;
200 __u32 timeout;
201 __be64 sid;
202 __u64 data;
203 __u64 path;
204 __u16 reserved_pkey;
205 __u8 len;
206 __u8 max_cm_retries;
207 __u8 reserved[4];
210 struct ib_ucm_sidr_rep {
211 __u32 id;
212 __u32 qpn;
213 __u32 qkey;
214 __u32 status;
215 __u64 info;
216 __u64 data;
217 __u8 info_len;
218 __u8 data_len;
219 __u8 reserved[6];
222 * event notification ABI structures.
224 struct ib_ucm_event_get {
225 __u64 response;
226 __u64 data;
227 __u64 info;
228 __u8 data_len;
229 __u8 info_len;
230 __u8 reserved[6];
233 struct ib_ucm_req_event_resp {
234 struct ib_user_path_rec primary_path;
235 struct ib_user_path_rec alternate_path;
236 __be64 remote_ca_guid;
237 __u32 remote_qkey;
238 __u32 remote_qpn;
239 __u32 qp_type;
240 __u32 starting_psn;
241 __u8 responder_resources;
242 __u8 initiator_depth;
243 __u8 local_cm_response_timeout;
244 __u8 flow_control;
245 __u8 remote_cm_response_timeout;
246 __u8 retry_count;
247 __u8 rnr_retry_count;
248 __u8 srq;
249 __u8 port;
250 __u8 reserved[7];
253 struct ib_ucm_rep_event_resp {
254 __be64 remote_ca_guid;
255 __u32 remote_qkey;
256 __u32 remote_qpn;
257 __u32 starting_psn;
258 __u8 responder_resources;
259 __u8 initiator_depth;
260 __u8 target_ack_delay;
261 __u8 failover_accepted;
262 __u8 flow_control;
263 __u8 rnr_retry_count;
264 __u8 srq;
265 __u8 reserved[5];
268 struct ib_ucm_rej_event_resp {
269 __u32 reason;
270 /* ari in ib_ucm_event_get info field. */
273 struct ib_ucm_mra_event_resp {
274 __u8 timeout;
275 __u8 reserved[3];
278 struct ib_ucm_lap_event_resp {
279 struct ib_user_path_rec path;
282 struct ib_ucm_apr_event_resp {
283 __u32 status;
284 /* apr info in ib_ucm_event_get info field. */
287 struct ib_ucm_sidr_req_event_resp {
288 __u16 pkey;
289 __u8 port;
290 __u8 reserved;
293 struct ib_ucm_sidr_rep_event_resp {
294 __u32 status;
295 __u32 qkey;
296 __u32 qpn;
297 /* info in ib_ucm_event_get info field. */
300 #define IB_UCM_PRES_DATA 0x01
301 #define IB_UCM_PRES_INFO 0x02
302 #define IB_UCM_PRES_PRIMARY 0x04
303 #define IB_UCM_PRES_ALTERNATE 0x08
305 struct ib_ucm_event_resp {
306 __u64 uid;
307 __u32 id;
308 __u32 event;
309 __u32 present;
310 __u32 reserved;
311 union {
312 struct ib_ucm_req_event_resp req_resp;
313 struct ib_ucm_rep_event_resp rep_resp;
314 struct ib_ucm_rej_event_resp rej_resp;
315 struct ib_ucm_mra_event_resp mra_resp;
316 struct ib_ucm_lap_event_resp lap_resp;
317 struct ib_ucm_apr_event_resp apr_resp;
319 struct ib_ucm_sidr_req_event_resp sidr_req_resp;
320 struct ib_ucm_sidr_rep_event_resp sidr_rep_resp;
322 __u32 send_status;
323 } u;
326 #endif /* IB_USER_CM_H */