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d50e14ab | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
75216638 SH |
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 | ||
34 | #ifndef RDMA_USER_CM_H | |
35 | #define RDMA_USER_CM_H | |
36 | ||
37 | #include <linux/types.h> | |
db1044d4 | 38 | #include <linux/socket.h> |
75216638 SH |
39 | #include <linux/in6.h> |
40 | #include <rdma/ib_user_verbs.h> | |
41 | #include <rdma/ib_user_sa.h> | |
42 | ||
c8f6a362 | 43 | #define RDMA_USER_CM_ABI_VERSION 4 |
75216638 SH |
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, | |
05ad9457 SH |
50 | RDMA_USER_CM_CMD_BIND_IP, |
51 | RDMA_USER_CM_CMD_RESOLVE_IP, | |
75216638 SH |
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, | |
c8f6a362 | 63 | RDMA_USER_CM_CMD_NOTIFY, |
05ad9457 | 64 | RDMA_USER_CM_CMD_JOIN_IP_MCAST, |
88314e4d | 65 | RDMA_USER_CM_CMD_LEAVE_MCAST, |
ee7aed45 | 66 | RDMA_USER_CM_CMD_MIGRATE_ID, |
eebe4c3a | 67 | RDMA_USER_CM_CMD_QUERY, |
209cf2a7 | 68 | RDMA_USER_CM_CMD_BIND, |
5bc2b7b3 SH |
69 | RDMA_USER_CM_CMD_RESOLVE_ADDR, |
70 | RDMA_USER_CM_CMD_JOIN_MCAST | |
75216638 SH |
71 | }; |
72 | ||
2253fc0c SW |
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 | ||
75216638 SH |
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 { | |
26b99066 JG |
91 | __aligned_u64 uid; |
92 | __aligned_u64 response; | |
2253fc0c | 93 | __u16 ps; /* use enum rdma_ucm_port_space */ |
638ef7a6 SH |
94 | __u8 qp_type; |
95 | __u8 reserved[5]; | |
75216638 SH |
96 | }; |
97 | ||
98 | struct rdma_ucm_create_id_resp { | |
99 | __u32 id; | |
100 | }; | |
101 | ||
102 | struct rdma_ucm_destroy_id { | |
26b99066 | 103 | __aligned_u64 response; |
75216638 SH |
104 | __u32 id; |
105 | __u32 reserved; | |
106 | }; | |
107 | ||
108 | struct rdma_ucm_destroy_id_resp { | |
109 | __u32 events_reported; | |
110 | }; | |
111 | ||
05ad9457 | 112 | struct rdma_ucm_bind_ip { |
26b99066 | 113 | __aligned_u64 response; |
75216638 SH |
114 | struct sockaddr_in6 addr; |
115 | __u32 id; | |
116 | }; | |
117 | ||
eebe4c3a SH |
118 | struct rdma_ucm_bind { |
119 | __u32 id; | |
120 | __u16 addr_size; | |
121 | __u16 reserved; | |
35493294 | 122 | struct __kernel_sockaddr_storage addr; |
eebe4c3a SH |
123 | }; |
124 | ||
05ad9457 | 125 | struct rdma_ucm_resolve_ip { |
75216638 SH |
126 | struct sockaddr_in6 src_addr; |
127 | struct sockaddr_in6 dst_addr; | |
128 | __u32 id; | |
129 | __u32 timeout_ms; | |
130 | }; | |
131 | ||
209cf2a7 SH |
132 | struct rdma_ucm_resolve_addr { |
133 | __u32 id; | |
134 | __u32 timeout_ms; | |
135 | __u16 src_size; | |
136 | __u16 dst_size; | |
137 | __u32 reserved; | |
35493294 JG |
138 | struct __kernel_sockaddr_storage src_addr; |
139 | struct __kernel_sockaddr_storage dst_addr; | |
209cf2a7 SH |
140 | }; |
141 | ||
75216638 SH |
142 | struct rdma_ucm_resolve_route { |
143 | __u32 id; | |
144 | __u32 timeout_ms; | |
145 | }; | |
146 | ||
ee7aed45 | 147 | enum { |
ac53b264 | 148 | RDMA_USER_CM_QUERY_ADDR, |
edaa7a55 SH |
149 | RDMA_USER_CM_QUERY_PATH, |
150 | RDMA_USER_CM_QUERY_GID | |
ee7aed45 SH |
151 | }; |
152 | ||
153 | struct rdma_ucm_query { | |
26b99066 | 154 | __aligned_u64 response; |
75216638 | 155 | __u32 id; |
ee7aed45 | 156 | __u32 option; |
75216638 SH |
157 | }; |
158 | ||
159 | struct rdma_ucm_query_route_resp { | |
26b99066 | 160 | __aligned_u64 node_guid; |
75216638 SH |
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 | ||
ee7aed45 | 169 | struct rdma_ucm_query_addr_resp { |
26b99066 | 170 | __aligned_u64 node_guid; |
ee7aed45 SH |
171 | __u8 port_num; |
172 | __u8 reserved; | |
173 | __u16 pkey; | |
174 | __u16 src_size; | |
175 | __u16 dst_size; | |
35493294 JG |
176 | struct __kernel_sockaddr_storage src_addr; |
177 | struct __kernel_sockaddr_storage dst_addr; | |
ee7aed45 SH |
178 | }; |
179 | ||
ac53b264 SH |
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 | ||
75216638 SH |
186 | struct rdma_ucm_conn_param { |
187 | __u32 qp_num; | |
5c438135 | 188 | __u32 qkey; |
75216638 SH |
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 { | |
26b99066 | 221 | __aligned_u64 uid; |
75216638 SH |
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 { | |
26b99066 | 239 | __aligned_u64 response; |
75216638 SH |
240 | __u32 id; |
241 | __u32 qp_state; | |
242 | }; | |
243 | ||
244 | struct rdma_ucm_notify { | |
245 | __u32 id; | |
246 | __u32 event; | |
247 | }; | |
248 | ||
05ad9457 | 249 | struct rdma_ucm_join_ip_mcast { |
26b99066 JG |
250 | __aligned_u64 response; /* rdma_ucm_create_id_resp */ |
251 | __aligned_u64 uid; | |
c8f6a362 SH |
252 | struct sockaddr_in6 addr; |
253 | __u32 id; | |
254 | }; | |
255 | ||
ab15c95a AV |
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 | ||
5bc2b7b3 | 263 | struct rdma_ucm_join_mcast { |
26b99066 JG |
264 | __aligned_u64 response; /* rdma_ucma_create_id_resp */ |
265 | __aligned_u64 uid; | |
5bc2b7b3 SH |
266 | __u32 id; |
267 | __u16 addr_size; | |
ab15c95a | 268 | __u16 join_flags; |
35493294 | 269 | struct __kernel_sockaddr_storage addr; |
5bc2b7b3 SH |
270 | }; |
271 | ||
75216638 | 272 | struct rdma_ucm_get_event { |
26b99066 | 273 | __aligned_u64 response; |
75216638 SH |
274 | }; |
275 | ||
276 | struct rdma_ucm_event_resp { | |
26b99066 | 277 | __aligned_u64 uid; |
75216638 SH |
278 | __u32 id; |
279 | __u32 event; | |
280 | __u32 status; | |
611cb92b JG |
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 | */ | |
75216638 SH |
285 | union { |
286 | struct rdma_ucm_conn_param conn; | |
287 | struct rdma_ucm_ud_param ud; | |
288 | } param; | |
611cb92b | 289 | __u32 reserved; |
75216638 SH |
290 | }; |
291 | ||
7ce86409 SH |
292 | /* Option levels */ |
293 | enum { | |
a7ca1f00 SH |
294 | RDMA_OPTION_ID = 0, |
295 | RDMA_OPTION_IB = 1 | |
7ce86409 SH |
296 | }; |
297 | ||
298 | /* Option details */ | |
299 | enum { | |
a9bb7912 HS |
300 | RDMA_OPTION_ID_TOS = 0, |
301 | RDMA_OPTION_ID_REUSEADDR = 1, | |
68602120 | 302 | RDMA_OPTION_ID_AFONLY = 2, |
a9bb7912 | 303 | RDMA_OPTION_IB_PATH = 1 |
7ce86409 SH |
304 | }; |
305 | ||
306 | struct rdma_ucm_set_option { | |
26b99066 | 307 | __aligned_u64 optval; |
7ce86409 SH |
308 | __u32 id; |
309 | __u32 level; | |
310 | __u32 optname; | |
311 | __u32 optlen; | |
312 | }; | |
313 | ||
88314e4d | 314 | struct rdma_ucm_migrate_id { |
26b99066 | 315 | __aligned_u64 response; |
88314e4d SH |
316 | __u32 id; |
317 | __u32 fd; | |
318 | }; | |
319 | ||
320 | struct rdma_ucm_migrate_resp { | |
321 | __u32 events_reported; | |
322 | }; | |
323 | ||
75216638 | 324 | #endif /* RDMA_USER_CM_H */ |