1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2005 Topspin Communications. All rights reserved. 5 * Copyright (c) 2005 Intel Corporation. All rights reserved. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * OpenIB.org BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or 14 * without modification, are permitted provided that the following 15 * conditions are met: 16 * 17 * - Redistributions of source code must retain the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer. 20 * 21 * - Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials 24 * provided with the distribution. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 33 * SOFTWARE. 34 */ 35 36 #ifndef IB_USER_CM_H 37 #define IB_USER_CM_H 38 39 #ifdef _KERNEL 40 #include <linux/types.h> 41 #else 42 #include <infiniband/types.h> 43 #endif 44 #include <rdma/ib_user_sa.h> 45 46 #define IB_USER_CM_ABI_VERSION 5 47 48 enum { 49 IB_USER_CM_CMD_CREATE_ID, 50 IB_USER_CM_CMD_DESTROY_ID, 51 IB_USER_CM_CMD_ATTR_ID, 52 53 IB_USER_CM_CMD_LISTEN, 54 IB_USER_CM_CMD_NOTIFY, 55 56 IB_USER_CM_CMD_SEND_REQ, 57 IB_USER_CM_CMD_SEND_REP, 58 IB_USER_CM_CMD_SEND_RTU, 59 IB_USER_CM_CMD_SEND_DREQ, 60 IB_USER_CM_CMD_SEND_DREP, 61 IB_USER_CM_CMD_SEND_REJ, 62 IB_USER_CM_CMD_SEND_MRA, 63 IB_USER_CM_CMD_SEND_LAP, 64 IB_USER_CM_CMD_SEND_APR, 65 IB_USER_CM_CMD_SEND_SIDR_REQ, 66 IB_USER_CM_CMD_SEND_SIDR_REP, 67 68 IB_USER_CM_CMD_EVENT, 69 IB_USER_CM_CMD_INIT_QP_ATTR, 70 }; 71 /* 72 * command ABI structures. 73 */ 74 struct ib_ucm_cmd_hdr { 75 __u32 cmd; 76 __u16 in; 77 __u16 out; 78 }; 79 80 struct ib_ucm_create_id { 81 __u64 uid; 82 __u64 response; 83 }; 84 85 struct ib_ucm_create_id_resp { 86 __u32 id; 87 }; 88 89 struct ib_ucm_destroy_id { 90 __u64 response; 91 __u32 id; 92 __u32 reserved; 93 }; 94 95 struct ib_ucm_destroy_id_resp { 96 __u32 events_reported; 97 }; 98 99 struct ib_ucm_attr_id { 100 __u64 response; 101 __u32 id; 102 __u32 reserved; 103 }; 104 105 struct ib_ucm_attr_id_resp { 106 __be64 service_id; 107 __be64 service_mask; 108 __be32 local_id; 109 __be32 remote_id; 110 }; 111 112 struct ib_ucm_init_qp_attr { 113 __u64 response; 114 __u32 id; 115 __u32 qp_state; 116 }; 117 118 struct ib_ucm_listen { 119 __be64 service_id; 120 __be64 service_mask; 121 __u32 id; 122 __u32 reserved; 123 }; 124 125 struct ib_ucm_notify { 126 __u32 id; 127 __u32 event; 128 }; 129 130 struct ib_ucm_private_data { 131 __u64 data; 132 __u32 id; 133 __u8 len; 134 __u8 reserved[3]; 135 }; 136 137 struct ib_ucm_req { 138 __u32 id; 139 __u32 qpn; 140 __u32 qp_type; 141 __u32 psn; 142 __be64 sid; 143 __u64 data; 144 __u64 primary_path; 145 __u64 alternate_path; 146 __u8 len; 147 __u8 peer_to_peer; 148 __u8 responder_resources; 149 __u8 initiator_depth; 150 __u8 remote_cm_response_timeout; 151 __u8 flow_control; 152 __u8 local_cm_response_timeout; 153 __u8 retry_count; 154 __u8 rnr_retry_count; 155 __u8 max_cm_retries; 156 __u8 srq; 157 __u8 reserved[5]; 158 }; 159 160 struct ib_ucm_rep { 161 __u64 uid; 162 __u64 data; 163 __u32 id; 164 __u32 qpn; 165 __u32 psn; 166 __u8 len; 167 __u8 responder_resources; 168 __u8 initiator_depth; 169 __u8 target_ack_delay; 170 __u8 failover_accepted; 171 __u8 flow_control; 172 __u8 rnr_retry_count; 173 __u8 srq; 174 __u8 reserved[4]; 175 }; 176 177 struct ib_ucm_info { 178 __u32 id; 179 __u32 status; 180 __u64 info; 181 __u64 data; 182 __u8 info_len; 183 __u8 data_len; 184 __u8 reserved[6]; 185 }; 186 187 struct ib_ucm_mra { 188 __u64 data; 189 __u32 id; 190 __u8 len; 191 __u8 timeout; 192 __u8 reserved[2]; 193 }; 194 195 struct ib_ucm_lap { 196 __u64 path; 197 __u64 data; 198 __u32 id; 199 __u8 len; 200 __u8 reserved[3]; 201 }; 202 203 struct ib_ucm_sidr_req { 204 __u32 id; 205 __u32 timeout; 206 __be64 sid; 207 __u64 data; 208 __u64 path; 209 __u16 reserved_pkey; 210 __u8 len; 211 __u8 max_cm_retries; 212 __u8 reserved[4]; 213 }; 214 215 struct ib_ucm_sidr_rep { 216 __u32 id; 217 __u32 qpn; 218 __u32 qkey; 219 __u32 status; 220 __u64 info; 221 __u64 data; 222 __u8 info_len; 223 __u8 data_len; 224 __u8 reserved[6]; 225 }; 226 /* 227 * event notification ABI structures. 228 */ 229 struct ib_ucm_event_get { 230 __u64 response; 231 __u64 data; 232 __u64 info; 233 __u8 data_len; 234 __u8 info_len; 235 __u8 reserved[6]; 236 }; 237 238 struct ib_ucm_req_event_resp { 239 struct ib_user_path_rec primary_path; 240 struct ib_user_path_rec alternate_path; 241 __be64 remote_ca_guid; 242 __u32 remote_qkey; 243 __u32 remote_qpn; 244 __u32 qp_type; 245 __u32 starting_psn; 246 __u8 responder_resources; 247 __u8 initiator_depth; 248 __u8 local_cm_response_timeout; 249 __u8 flow_control; 250 __u8 remote_cm_response_timeout; 251 __u8 retry_count; 252 __u8 rnr_retry_count; 253 __u8 srq; 254 __u8 port; 255 __u8 reserved[7]; 256 }; 257 258 struct ib_ucm_rep_event_resp { 259 __be64 remote_ca_guid; 260 __u32 remote_qkey; 261 __u32 remote_qpn; 262 __u32 starting_psn; 263 __u8 responder_resources; 264 __u8 initiator_depth; 265 __u8 target_ack_delay; 266 __u8 failover_accepted; 267 __u8 flow_control; 268 __u8 rnr_retry_count; 269 __u8 srq; 270 __u8 reserved[5]; 271 }; 272 273 struct ib_ucm_rej_event_resp { 274 __u32 reason; 275 /* ari in ib_ucm_event_get info field. */ 276 }; 277 278 struct ib_ucm_mra_event_resp { 279 __u8 timeout; 280 __u8 reserved[3]; 281 }; 282 283 struct ib_ucm_lap_event_resp { 284 struct ib_user_path_rec path; 285 }; 286 287 struct ib_ucm_apr_event_resp { 288 __u32 status; 289 /* apr info in ib_ucm_event_get info field. */ 290 }; 291 292 struct ib_ucm_sidr_req_event_resp { 293 __u16 pkey; 294 __u8 port; 295 __u8 reserved; 296 }; 297 298 struct ib_ucm_sidr_rep_event_resp { 299 __u32 status; 300 __u32 qkey; 301 __u32 qpn; 302 /* info in ib_ucm_event_get info field. */ 303 }; 304 305 #define IB_UCM_PRES_DATA 0x01 306 #define IB_UCM_PRES_INFO 0x02 307 #define IB_UCM_PRES_PRIMARY 0x04 308 #define IB_UCM_PRES_ALTERNATE 0x08 309 310 struct ib_ucm_event_resp { 311 __u64 uid; 312 __u32 id; 313 __u32 event; 314 __u32 present; 315 __u32 reserved; 316 union { 317 struct ib_ucm_req_event_resp req_resp; 318 struct ib_ucm_rep_event_resp rep_resp; 319 struct ib_ucm_rej_event_resp rej_resp; 320 struct ib_ucm_mra_event_resp mra_resp; 321 struct ib_ucm_lap_event_resp lap_resp; 322 struct ib_ucm_apr_event_resp apr_resp; 323 324 struct ib_ucm_sidr_req_event_resp sidr_req_resp; 325 struct ib_ucm_sidr_rep_event_resp sidr_rep_resp; 326 327 __u32 send_status; 328 } u; 329 }; 330 331 #endif /* IB_USER_CM_H */ 332