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