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36eece51 | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
8d613116 SW |
2 | /* |
3 | * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. | |
4 | * | |
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: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
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. | |
23 | * | |
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. | |
32 | */ | |
33 | ||
36eece51 SH |
34 | #ifndef RDMA_USER_CM_H |
35 | #define RDMA_USER_CM_H | |
8d613116 SW |
36 | |
37 | #include <linux/types.h> | |
38 | #include <linux/socket.h> | |
39 | #include <linux/in6.h> | |
40 | #include <rdma/ib_user_verbs.h> | |
41 | #include <rdma/ib_user_sa.h> | |
42 | ||
43 | #define RDMA_USER_CM_ABI_VERSION 4 | |
44 | ||
45 | #define RDMA_MAX_PRIVATE_DATA 256 | |
46 | ||
47 | enum { | |
48 | RDMA_USER_CM_CMD_CREATE_ID, | |
49 | RDMA_USER_CM_CMD_DESTROY_ID, | |
50 | RDMA_USER_CM_CMD_BIND_IP, | |
51 | RDMA_USER_CM_CMD_RESOLVE_IP, | |
52 | RDMA_USER_CM_CMD_RESOLVE_ROUTE, | |
53 | RDMA_USER_CM_CMD_QUERY_ROUTE, | |
54 | RDMA_USER_CM_CMD_CONNECT, | |
55 | RDMA_USER_CM_CMD_LISTEN, | |
56 | RDMA_USER_CM_CMD_ACCEPT, | |
57 | RDMA_USER_CM_CMD_REJECT, | |
58 | RDMA_USER_CM_CMD_DISCONNECT, | |
59 | RDMA_USER_CM_CMD_INIT_QP_ATTR, | |
60 | RDMA_USER_CM_CMD_GET_EVENT, | |
61 | RDMA_USER_CM_CMD_GET_OPTION, | |
62 | RDMA_USER_CM_CMD_SET_OPTION, | |
63 | RDMA_USER_CM_CMD_NOTIFY, | |
64 | RDMA_USER_CM_CMD_JOIN_IP_MCAST, | |
65 | RDMA_USER_CM_CMD_LEAVE_MCAST, | |
66 | RDMA_USER_CM_CMD_MIGRATE_ID, | |
67 | RDMA_USER_CM_CMD_QUERY, | |
68 | RDMA_USER_CM_CMD_BIND, | |
69 | RDMA_USER_CM_CMD_RESOLVE_ADDR, | |
70 | RDMA_USER_CM_CMD_JOIN_MCAST | |
71 | }; | |
72 | ||
73 | /* See IBTA Annex A11, servies ID bytes 4 & 5 */ | |
74 | enum rdma_ucm_port_space { | |
75 | RDMA_PS_IPOIB = 0x0002, | |
76 | RDMA_PS_IB = 0x013F, | |
77 | RDMA_PS_TCP = 0x0106, | |
78 | RDMA_PS_UDP = 0x0111, | |
79 | }; | |
80 | ||
81 | /* | |
82 | * command ABI structures. | |
83 | */ | |
84 | struct rdma_ucm_cmd_hdr { | |
85 | __u32 cmd; | |
86 | __u16 in; | |
87 | __u16 out; | |
88 | }; | |
89 | ||
90 | struct rdma_ucm_create_id { | |
91 | __aligned_u64 uid; | |
92 | __aligned_u64 response; | |
93 | __u16 ps; /* use enum rdma_ucm_port_space */ | |
94 | __u8 qp_type; | |
95 | __u8 reserved[5]; | |
96 | }; | |
97 | ||
98 | struct rdma_ucm_create_id_resp { | |
99 | __u32 id; | |
100 | }; | |
101 | ||
102 | struct rdma_ucm_destroy_id { | |
103 | __aligned_u64 response; | |
104 | __u32 id; | |
105 | __u32 reserved; | |
106 | }; | |
107 | ||
108 | struct rdma_ucm_destroy_id_resp { | |
109 | __u32 events_reported; | |
110 | }; | |
111 | ||
112 | struct rdma_ucm_bind_ip { | |
113 | __aligned_u64 response; | |
114 | struct sockaddr_in6 addr; | |
115 | __u32 id; | |
116 | }; | |
117 | ||
118 | struct rdma_ucm_bind { | |
119 | __u32 id; | |
120 | __u16 addr_size; | |
121 | __u16 reserved; | |
122 | struct __kernel_sockaddr_storage addr; | |
123 | }; | |
124 | ||
125 | struct rdma_ucm_resolve_ip { | |
126 | struct sockaddr_in6 src_addr; | |
127 | struct sockaddr_in6 dst_addr; | |
128 | __u32 id; | |
129 | __u32 timeout_ms; | |
130 | }; | |
131 | ||
132 | struct rdma_ucm_resolve_addr { | |
133 | __u32 id; | |
134 | __u32 timeout_ms; | |
135 | __u16 src_size; | |
136 | __u16 dst_size; | |
137 | __u32 reserved; | |
138 | struct __kernel_sockaddr_storage src_addr; | |
139 | struct __kernel_sockaddr_storage dst_addr; | |
140 | }; | |
141 | ||
142 | struct rdma_ucm_resolve_route { | |
143 | __u32 id; | |
144 | __u32 timeout_ms; | |
145 | }; | |
146 | ||
147 | enum { | |
148 | RDMA_USER_CM_QUERY_ADDR, | |
149 | RDMA_USER_CM_QUERY_PATH, | |
150 | RDMA_USER_CM_QUERY_GID | |
151 | }; | |
152 | ||
153 | struct rdma_ucm_query { | |
154 | __aligned_u64 response; | |
155 | __u32 id; | |
156 | __u32 option; | |
157 | }; | |
158 | ||
159 | struct rdma_ucm_query_route_resp { | |
160 | __aligned_u64 node_guid; | |
161 | struct ib_user_path_rec ib_route[2]; | |
162 | struct sockaddr_in6 src_addr; | |
163 | struct sockaddr_in6 dst_addr; | |
164 | __u32 num_paths; | |
165 | __u8 port_num; | |
166 | __u8 reserved[3]; | |
167 | }; | |
168 | ||
169 | struct rdma_ucm_query_addr_resp { | |
170 | __aligned_u64 node_guid; | |
171 | __u8 port_num; | |
172 | __u8 reserved; | |
173 | __u16 pkey; | |
174 | __u16 src_size; | |
175 | __u16 dst_size; | |
176 | struct __kernel_sockaddr_storage src_addr; | |
177 | struct __kernel_sockaddr_storage dst_addr; | |
178 | }; | |
179 | ||
180 | struct rdma_ucm_query_path_resp { | |
181 | __u32 num_paths; | |
182 | __u32 reserved; | |
183 | struct ib_path_rec_data path_data[0]; | |
184 | }; | |
185 | ||
186 | struct rdma_ucm_conn_param { | |
187 | __u32 qp_num; | |
188 | __u32 qkey; | |
189 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
190 | __u8 private_data_len; | |
191 | __u8 srq; | |
192 | __u8 responder_resources; | |
193 | __u8 initiator_depth; | |
194 | __u8 flow_control; | |
195 | __u8 retry_count; | |
196 | __u8 rnr_retry_count; | |
197 | __u8 valid; | |
198 | }; | |
199 | ||
200 | struct rdma_ucm_ud_param { | |
201 | __u32 qp_num; | |
202 | __u32 qkey; | |
203 | struct ib_uverbs_ah_attr ah_attr; | |
204 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
205 | __u8 private_data_len; | |
206 | __u8 reserved[7]; | |
207 | }; | |
208 | ||
209 | struct rdma_ucm_connect { | |
210 | struct rdma_ucm_conn_param conn_param; | |
211 | __u32 id; | |
212 | __u32 reserved; | |
213 | }; | |
214 | ||
215 | struct rdma_ucm_listen { | |
216 | __u32 id; | |
217 | __u32 backlog; | |
218 | }; | |
219 | ||
220 | struct rdma_ucm_accept { | |
221 | __aligned_u64 uid; | |
222 | struct rdma_ucm_conn_param conn_param; | |
223 | __u32 id; | |
224 | __u32 reserved; | |
225 | }; | |
226 | ||
227 | struct rdma_ucm_reject { | |
228 | __u32 id; | |
229 | __u8 private_data_len; | |
230 | __u8 reserved[3]; | |
231 | __u8 private_data[RDMA_MAX_PRIVATE_DATA]; | |
232 | }; | |
233 | ||
234 | struct rdma_ucm_disconnect { | |
235 | __u32 id; | |
236 | }; | |
237 | ||
238 | struct rdma_ucm_init_qp_attr { | |
239 | __aligned_u64 response; | |
240 | __u32 id; | |
241 | __u32 qp_state; | |
242 | }; | |
243 | ||
244 | struct rdma_ucm_notify { | |
245 | __u32 id; | |
246 | __u32 event; | |
247 | }; | |
248 | ||
249 | struct rdma_ucm_join_ip_mcast { | |
250 | __aligned_u64 response; /* rdma_ucm_create_id_resp */ | |
251 | __aligned_u64 uid; | |
252 | struct sockaddr_in6 addr; | |
253 | __u32 id; | |
254 | }; | |
255 | ||
256 | /* Multicast join flags */ | |
257 | enum { | |
258 | RDMA_MC_JOIN_FLAG_FULLMEMBER, | |
259 | RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER, | |
260 | RDMA_MC_JOIN_FLAG_RESERVED, | |
261 | }; | |
262 | ||
263 | struct rdma_ucm_join_mcast { | |
264 | __aligned_u64 response; /* rdma_ucma_create_id_resp */ | |
265 | __aligned_u64 uid; | |
266 | __u32 id; | |
267 | __u16 addr_size; | |
268 | __u16 join_flags; | |
269 | struct __kernel_sockaddr_storage addr; | |
270 | }; | |
271 | ||
272 | struct rdma_ucm_get_event { | |
273 | __aligned_u64 response; | |
274 | }; | |
275 | ||
276 | struct rdma_ucm_event_resp { | |
277 | __aligned_u64 uid; | |
278 | __u32 id; | |
279 | __u32 event; | |
280 | __u32 status; | |
281 | /* | |
282 | * NOTE: This union is not aligned to 8 bytes so none of the union | |
283 | * members may contain a u64 or anything with higher alignment than 4. | |
284 | */ | |
285 | union { | |
286 | struct rdma_ucm_conn_param conn; | |
287 | struct rdma_ucm_ud_param ud; | |
288 | } param; | |
289 | __u32 reserved; | |
290 | }; | |
291 | ||
292 | /* Option levels */ | |
293 | enum { | |
294 | RDMA_OPTION_ID = 0, | |
295 | RDMA_OPTION_IB = 1 | |
296 | }; | |
297 | ||
298 | /* Option details */ | |
299 | enum { | |
300 | RDMA_OPTION_ID_TOS = 0, | |
301 | RDMA_OPTION_ID_REUSEADDR = 1, | |
302 | RDMA_OPTION_ID_AFONLY = 2, | |
303 | RDMA_OPTION_IB_PATH = 1 | |
304 | }; | |
305 | ||
306 | struct rdma_ucm_set_option { | |
307 | __aligned_u64 optval; | |
308 | __u32 id; | |
309 | __u32 level; | |
310 | __u32 optname; | |
311 | __u32 optlen; | |
312 | }; | |
313 | ||
314 | struct rdma_ucm_migrate_id { | |
315 | __aligned_u64 response; | |
316 | __u32 id; | |
317 | __u32 fd; | |
318 | }; | |
319 | ||
320 | struct rdma_ucm_migrate_resp { | |
321 | __u32 events_reported; | |
322 | }; | |
323 | ||
36eece51 | 324 | #endif /* RDMA_USER_CM_H */ |