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