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Linux kernel mirror (for testing)
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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 3
42
43#define RDMA_MAX_PRIVATE_DATA 256
44
45enum {
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};
63
64/*
65 * command ABI structures.
66 */
67struct rdma_ucm_cmd_hdr {
68 __u32 cmd;
69 __u16 in;
70 __u16 out;
71};
72
73struct rdma_ucm_create_id {
74 __u64 uid;
75 __u64 response;
76 __u16 ps;
77 __u8 reserved[6];
78};
79
80struct rdma_ucm_create_id_resp {
81 __u32 id;
82};
83
84struct rdma_ucm_destroy_id {
85 __u64 response;
86 __u32 id;
87 __u32 reserved;
88};
89
90struct rdma_ucm_destroy_id_resp {
91 __u32 events_reported;
92};
93
94struct rdma_ucm_bind_addr {
95 __u64 response;
96 struct sockaddr_in6 addr;
97 __u32 id;
98};
99
100struct rdma_ucm_resolve_addr {
101 struct sockaddr_in6 src_addr;
102 struct sockaddr_in6 dst_addr;
103 __u32 id;
104 __u32 timeout_ms;
105};
106
107struct rdma_ucm_resolve_route {
108 __u32 id;
109 __u32 timeout_ms;
110};
111
112struct rdma_ucm_query_route {
113 __u64 response;
114 __u32 id;
115 __u32 reserved;
116};
117
118struct rdma_ucm_query_route_resp {
119 __u64 node_guid;
120 struct ib_user_path_rec ib_route[2];
121 struct sockaddr_in6 src_addr;
122 struct sockaddr_in6 dst_addr;
123 __u32 num_paths;
124 __u8 port_num;
125 __u8 reserved[3];
126};
127
128struct rdma_ucm_conn_param {
129 __u32 qp_num;
130 __u32 reserved;
131 __u8 private_data[RDMA_MAX_PRIVATE_DATA];
132 __u8 private_data_len;
133 __u8 srq;
134 __u8 responder_resources;
135 __u8 initiator_depth;
136 __u8 flow_control;
137 __u8 retry_count;
138 __u8 rnr_retry_count;
139 __u8 valid;
140};
141
142struct rdma_ucm_ud_param {
143 __u32 qp_num;
144 __u32 qkey;
145 struct ib_uverbs_ah_attr ah_attr;
146 __u8 private_data[RDMA_MAX_PRIVATE_DATA];
147 __u8 private_data_len;
148 __u8 reserved[7];
149};
150
151struct rdma_ucm_connect {
152 struct rdma_ucm_conn_param conn_param;
153 __u32 id;
154 __u32 reserved;
155};
156
157struct rdma_ucm_listen {
158 __u32 id;
159 __u32 backlog;
160};
161
162struct rdma_ucm_accept {
163 __u64 uid;
164 struct rdma_ucm_conn_param conn_param;
165 __u32 id;
166 __u32 reserved;
167};
168
169struct rdma_ucm_reject {
170 __u32 id;
171 __u8 private_data_len;
172 __u8 reserved[3];
173 __u8 private_data[RDMA_MAX_PRIVATE_DATA];
174};
175
176struct rdma_ucm_disconnect {
177 __u32 id;
178};
179
180struct rdma_ucm_init_qp_attr {
181 __u64 response;
182 __u32 id;
183 __u32 qp_state;
184};
185
186struct rdma_ucm_notify {
187 __u32 id;
188 __u32 event;
189};
190
191struct rdma_ucm_get_event {
192 __u64 response;
193};
194
195struct rdma_ucm_event_resp {
196 __u64 uid;
197 __u32 id;
198 __u32 event;
199 __u32 status;
200 union {
201 struct rdma_ucm_conn_param conn;
202 struct rdma_ucm_ud_param ud;
203 } param;
204};
205
206#endif /* RDMA_USER_CM_H */