1 /* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 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 IB_USER_CM_H 35 #define IB_USER_CM_H 36 37 #ifdef _KERNEL 38 #include <linux/types.h> 39 #else 40 #include <infiniband/types.h> 41 #endif 42 #include <rdma/ib_user_sa.h> 43 44 #define IB_USER_CM_ABI_VERSION 5 45 46 enum { 47 IB_USER_CM_CMD_CREATE_ID, 48 IB_USER_CM_CMD_DESTROY_ID, 49 IB_USER_CM_CMD_ATTR_ID, 50 51 IB_USER_CM_CMD_LISTEN, 52 IB_USER_CM_CMD_NOTIFY, 53 54 IB_USER_CM_CMD_SEND_REQ, 55 IB_USER_CM_CMD_SEND_REP, 56 IB_USER_CM_CMD_SEND_RTU, 57 IB_USER_CM_CMD_SEND_DREQ, 58 IB_USER_CM_CMD_SEND_DREP, 59 IB_USER_CM_CMD_SEND_REJ, 60 IB_USER_CM_CMD_SEND_MRA, 61 IB_USER_CM_CMD_SEND_LAP, 62 IB_USER_CM_CMD_SEND_APR, 63 IB_USER_CM_CMD_SEND_SIDR_REQ, 64 IB_USER_CM_CMD_SEND_SIDR_REP, 65 66 IB_USER_CM_CMD_EVENT, 67 IB_USER_CM_CMD_INIT_QP_ATTR, 68 }; 69 /* 70 * command ABI structures. 71 */ 72 struct ib_ucm_cmd_hdr { 73 __u32 cmd; 74 __u16 in; 75 __u16 out; 76 }; 77 78 struct ib_ucm_create_id { 79 __u64 uid; 80 __u64 response; 81 }; 82 83 struct ib_ucm_create_id_resp { 84 __u32 id; 85 }; 86 87 struct ib_ucm_destroy_id { 88 __u64 response; 89 __u32 id; 90 __u32 reserved; 91 }; 92 93 struct ib_ucm_destroy_id_resp { 94 __u32 events_reported; 95 }; 96 97 struct ib_ucm_attr_id { 98 __u64 response; 99 __u32 id; 100 __u32 reserved; 101 }; 102 103 struct ib_ucm_attr_id_resp { 104 __be64 service_id; 105 __be64 service_mask; 106 __be32 local_id; 107 __be32 remote_id; 108 }; 109 110 struct ib_ucm_init_qp_attr { 111 __u64 response; 112 __u32 id; 113 __u32 qp_state; 114 }; 115 116 struct ib_ucm_listen { 117 __be64 service_id; 118 __be64 service_mask; 119 __u32 id; 120 __u32 reserved; 121 }; 122 123 struct ib_ucm_notify { 124 __u32 id; 125 __u32 event; 126 }; 127 128 struct ib_ucm_private_data { 129 __u64 data; 130 __u32 id; 131 __u8 len; 132 __u8 reserved[3]; 133 }; 134 135 struct ib_ucm_req { 136 __u32 id; 137 __u32 qpn; 138 __u32 qp_type; 139 __u32 psn; 140 __be64 sid; 141 __u64 data; 142 __u64 primary_path; 143 __u64 alternate_path; 144 __u8 len; 145 __u8 peer_to_peer; 146 __u8 responder_resources; 147 __u8 initiator_depth; 148 __u8 remote_cm_response_timeout; 149 __u8 flow_control; 150 __u8 local_cm_response_timeout; 151 __u8 retry_count; 152 __u8 rnr_retry_count; 153 __u8 max_cm_retries; 154 __u8 srq; 155 __u8 reserved[5]; 156 }; 157 158 struct ib_ucm_rep { 159 __u64 uid; 160 __u64 data; 161 __u32 id; 162 __u32 qpn; 163 __u32 psn; 164 __u8 len; 165 __u8 responder_resources; 166 __u8 initiator_depth; 167 __u8 target_ack_delay; 168 __u8 failover_accepted; 169 __u8 flow_control; 170 __u8 rnr_retry_count; 171 __u8 srq; 172 __u8 reserved[4]; 173 }; 174 175 struct ib_ucm_info { 176 __u32 id; 177 __u32 status; 178 __u64 info; 179 __u64 data; 180 __u8 info_len; 181 __u8 data_len; 182 __u8 reserved[6]; 183 }; 184 185 struct ib_ucm_mra { 186 __u64 data; 187 __u32 id; 188 __u8 len; 189 __u8 timeout; 190 __u8 reserved[2]; 191 }; 192 193 struct ib_ucm_lap { 194 __u64 path; 195 __u64 data; 196 __u32 id; 197 __u8 len; 198 __u8 reserved[3]; 199 }; 200 201 struct ib_ucm_sidr_req { 202 __u32 id; 203 __u32 timeout; 204 __be64 sid; 205 __u64 data; 206 __u64 path; 207 __u16 reserved_pkey; 208 __u8 len; 209 __u8 max_cm_retries; 210 __u8 reserved[4]; 211 }; 212 213 struct ib_ucm_sidr_rep { 214 __u32 id; 215 __u32 qpn; 216 __u32 qkey; 217 __u32 status; 218 __u64 info; 219 __u64 data; 220 __u8 info_len; 221 __u8 data_len; 222 __u8 reserved[6]; 223 }; 224 /* 225 * event notification ABI structures. 226 */ 227 struct ib_ucm_event_get { 228 __u64 response; 229 __u64 data; 230 __u64 info; 231 __u8 data_len; 232 __u8 info_len; 233 __u8 reserved[6]; 234 }; 235 236 struct ib_ucm_req_event_resp { 237 struct ib_user_path_rec primary_path; 238 struct ib_user_path_rec alternate_path; 239 __be64 remote_ca_guid; 240 __u32 remote_qkey; 241 __u32 remote_qpn; 242 __u32 qp_type; 243 __u32 starting_psn; 244 __u8 responder_resources; 245 __u8 initiator_depth; 246 __u8 local_cm_response_timeout; 247 __u8 flow_control; 248 __u8 remote_cm_response_timeout; 249 __u8 retry_count; 250 __u8 rnr_retry_count; 251 __u8 srq; 252 __u8 port; 253 __u8 reserved[7]; 254 }; 255 256 struct ib_ucm_rep_event_resp { 257 __be64 remote_ca_guid; 258 __u32 remote_qkey; 259 __u32 remote_qpn; 260 __u32 starting_psn; 261 __u8 responder_resources; 262 __u8 initiator_depth; 263 __u8 target_ack_delay; 264 __u8 failover_accepted; 265 __u8 flow_control; 266 __u8 rnr_retry_count; 267 __u8 srq; 268 __u8 reserved[5]; 269 }; 270 271 struct ib_ucm_rej_event_resp { 272 __u32 reason; 273 /* ari in ib_ucm_event_get info field. */ 274 }; 275 276 struct ib_ucm_mra_event_resp { 277 __u8 timeout; 278 __u8 reserved[3]; 279 }; 280 281 struct ib_ucm_lap_event_resp { 282 struct ib_user_path_rec path; 283 }; 284 285 struct ib_ucm_apr_event_resp { 286 __u32 status; 287 /* apr info in ib_ucm_event_get info field. */ 288 }; 289 290 struct ib_ucm_sidr_req_event_resp { 291 __u16 pkey; 292 __u8 port; 293 __u8 reserved; 294 }; 295 296 struct ib_ucm_sidr_rep_event_resp { 297 __u32 status; 298 __u32 qkey; 299 __u32 qpn; 300 /* info in ib_ucm_event_get info field. */ 301 }; 302 303 #define IB_UCM_PRES_DATA 0x01 304 #define IB_UCM_PRES_INFO 0x02 305 #define IB_UCM_PRES_PRIMARY 0x04 306 #define IB_UCM_PRES_ALTERNATE 0x08 307 308 struct ib_ucm_event_resp { 309 __u64 uid; 310 __u32 id; 311 __u32 event; 312 __u32 present; 313 __u32 reserved; 314 union { 315 struct ib_ucm_req_event_resp req_resp; 316 struct ib_ucm_rep_event_resp rep_resp; 317 struct ib_ucm_rej_event_resp rej_resp; 318 struct ib_ucm_mra_event_resp mra_resp; 319 struct ib_ucm_lap_event_resp lap_resp; 320 struct ib_ucm_apr_event_resp apr_resp; 321 322 struct ib_ucm_sidr_req_event_resp sidr_req_resp; 323 struct ib_ucm_sidr_rep_event_resp sidr_rep_resp; 324 325 __u32 send_status; 326 } u; 327 }; 328 329 #endif /* IB_USER_CM_H */ 330