netfilter: on sockopt() acquire sock lock only in the required scope
[pandora-kernel.git] / include / rdma / rdma_user_cm.h
1 /*
2  * Copyright (c) 2005-2006 Intel Corporation.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32
33 #ifndef RDMA_USER_CM_H
34 #define RDMA_USER_CM_H
35
36 #include <linux/types.h>
37 #include <linux/in6.h>
38 #include <rdma/ib_user_verbs.h>
39 #include <rdma/ib_user_sa.h>
40
41 #define RDMA_USER_CM_ABI_VERSION        4
42
43 #define RDMA_MAX_PRIVATE_DATA           256
44
45 enum {
46         RDMA_USER_CM_CMD_CREATE_ID,
47         RDMA_USER_CM_CMD_DESTROY_ID,
48         RDMA_USER_CM_CMD_BIND_ADDR,
49         RDMA_USER_CM_CMD_RESOLVE_ADDR,
50         RDMA_USER_CM_CMD_RESOLVE_ROUTE,
51         RDMA_USER_CM_CMD_QUERY_ROUTE,
52         RDMA_USER_CM_CMD_CONNECT,
53         RDMA_USER_CM_CMD_LISTEN,
54         RDMA_USER_CM_CMD_ACCEPT,
55         RDMA_USER_CM_CMD_REJECT,
56         RDMA_USER_CM_CMD_DISCONNECT,
57         RDMA_USER_CM_CMD_INIT_QP_ATTR,
58         RDMA_USER_CM_CMD_GET_EVENT,
59         RDMA_USER_CM_CMD_GET_OPTION,
60         RDMA_USER_CM_CMD_SET_OPTION,
61         RDMA_USER_CM_CMD_NOTIFY,
62         RDMA_USER_CM_CMD_JOIN_MCAST,
63         RDMA_USER_CM_CMD_LEAVE_MCAST,
64         RDMA_USER_CM_CMD_MIGRATE_ID
65 };
66
67 /*
68  * command ABI structures.
69  */
70 struct rdma_ucm_cmd_hdr {
71         __u32 cmd;
72         __u16 in;
73         __u16 out;
74 };
75
76 struct rdma_ucm_create_id {
77         __u64 uid;
78         __u64 response;
79         __u16 ps;
80         __u8  qp_type;
81         __u8  reserved[5];
82 };
83
84 struct rdma_ucm_create_id_resp {
85         __u32 id;
86 };
87
88 struct rdma_ucm_destroy_id {
89         __u64 response;
90         __u32 id;
91         __u32 reserved;
92 };
93
94 struct rdma_ucm_destroy_id_resp {
95         __u32 events_reported;
96 };
97
98 struct rdma_ucm_bind_addr {
99         __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 */