rdma_cma_abi.h revision 331769
1/* 2 * Copyright (c) 2005-2011 Intel Corporation. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33#ifndef RDMA_CMA_ABI_H 34#define RDMA_CMA_ABI_H 35 36#include <infiniband/kern-abi.h> 37#include <rdma/ib_user_sa.h> 38#include <infiniband/sa.h> 39#include <netinet/in.h> 40 41/* 42 * This file must be kept in sync with the kernel's version of rdma_user_cm.h 43 */ 44 45#define RDMA_USER_CM_MIN_ABI_VERSION 3 46#define RDMA_USER_CM_MAX_ABI_VERSION 4 47 48#define RDMA_MAX_PRIVATE_DATA 256 49 50enum { 51 UCMA_CMD_CREATE_ID, 52 UCMA_CMD_DESTROY_ID, 53 UCMA_CMD_BIND_IP, 54 UCMA_CMD_RESOLVE_IP, 55 UCMA_CMD_RESOLVE_ROUTE, 56 UCMA_CMD_QUERY_ROUTE, 57 UCMA_CMD_CONNECT, 58 UCMA_CMD_LISTEN, 59 UCMA_CMD_ACCEPT, 60 UCMA_CMD_REJECT, 61 UCMA_CMD_DISCONNECT, 62 UCMA_CMD_INIT_QP_ATTR, 63 UCMA_CMD_GET_EVENT, 64 UCMA_CMD_GET_OPTION, 65 UCMA_CMD_SET_OPTION, 66 UCMA_CMD_NOTIFY, 67 UCMA_CMD_JOIN_IP_MCAST, 68 UCMA_CMD_LEAVE_MCAST, 69 UCMA_CMD_MIGRATE_ID, 70 UCMA_CMD_QUERY, 71 UCMA_CMD_BIND, 72 UCMA_CMD_RESOLVE_ADDR, 73 UCMA_CMD_JOIN_MCAST 74}; 75 76struct ucma_abi_cmd_hdr { 77 __u32 cmd; 78 __u16 in; 79 __u16 out; 80}; 81 82struct ucma_abi_create_id { 83 __u32 cmd; 84 __u16 in; 85 __u16 out; 86 __u64 uid; 87 __u64 response; 88 __u16 ps; 89 __u8 qp_type; 90 __u8 reserved[5]; 91}; 92 93struct ucma_abi_create_id_resp { 94 __u32 id; 95}; 96 97struct ucma_abi_destroy_id { 98 __u32 cmd; 99 __u16 in; 100 __u16 out; 101 __u64 response; 102 __u32 id; 103 __u32 reserved; 104}; 105 106struct ucma_abi_destroy_id_resp { 107 __u32 events_reported; 108}; 109 110struct ucma_abi_bind_ip { 111 __u32 cmd; 112 __u16 in; 113 __u16 out; 114 __u64 response; 115 struct sockaddr_in6 addr; 116 __u32 id; 117}; 118 119struct ucma_abi_bind { 120 __u32 cmd; 121 __u16 in; 122 __u16 out; 123 __u32 id; 124 __u16 addr_size; 125 __u16 reserved; 126 struct sockaddr_storage addr; 127}; 128 129struct ucma_abi_resolve_ip { 130 __u32 cmd; 131 __u16 in; 132 __u16 out; 133 struct sockaddr_in6 src_addr; 134 struct sockaddr_in6 dst_addr; 135 __u32 id; 136 __u32 timeout_ms; 137}; 138 139struct ucma_abi_resolve_addr { 140 __u32 cmd; 141 __u16 in; 142 __u16 out; 143 __u32 id; 144 __u32 timeout_ms; 145 __u16 src_size; 146 __u16 dst_size; 147 __u32 reserved; 148 struct sockaddr_storage src_addr; 149 struct sockaddr_storage dst_addr; 150}; 151 152struct ucma_abi_resolve_route { 153 __u32 cmd; 154 __u16 in; 155 __u16 out; 156 __u32 id; 157 __u32 timeout_ms; 158}; 159 160enum { 161 UCMA_QUERY_ADDR, 162 UCMA_QUERY_PATH, 163 UCMA_QUERY_GID 164}; 165 166struct ucma_abi_query { 167 __u32 cmd; 168 __u16 in; 169 __u16 out; 170 __u64 response; 171 __u32 id; 172 __u32 option; 173}; 174 175struct ucma_abi_query_route_resp { 176 __be64 node_guid; 177 struct ib_user_path_rec ib_route[2]; 178 struct sockaddr_in6 src_addr; 179 struct sockaddr_in6 dst_addr; 180 __u32 num_paths; 181 __u8 port_num; 182 __u8 reserved[3]; 183}; 184 185struct ucma_abi_query_addr_resp { 186 __be64 node_guid; 187 __u8 port_num; 188 __u8 reserved; 189 __be16 pkey; 190 __u16 src_size; 191 __u16 dst_size; 192 struct sockaddr_storage src_addr; 193 struct sockaddr_storage dst_addr; 194}; 195 196struct ucma_abi_query_path_resp { 197 __u32 num_paths; 198 __u32 reserved; 199 struct ibv_path_data path_data[0]; 200}; 201 202struct ucma_abi_conn_param { 203 __u32 qp_num; 204 __u32 reserved; 205 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 206 __u8 private_data_len; 207 __u8 srq; 208 __u8 responder_resources; 209 __u8 initiator_depth; 210 __u8 flow_control; 211 __u8 retry_count; 212 __u8 rnr_retry_count; 213 __u8 valid; 214}; 215 216struct ucma_abi_ud_param { 217 __u32 qp_num; 218 __u32 qkey; 219 struct ibv_kern_ah_attr ah_attr; 220 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 221 __u8 private_data_len; 222 __u8 reserved[7]; 223 __u8 reserved2[4]; /* Round to 8-byte boundary to support 32/64 */ 224}; 225 226struct ucma_abi_connect { 227 __u32 cmd; 228 __u16 in; 229 __u16 out; 230 struct ucma_abi_conn_param conn_param; 231 __u32 id; 232 __u32 reserved; 233}; 234 235struct ucma_abi_listen { 236 __u32 cmd; 237 __u16 in; 238 __u16 out; 239 __u32 id; 240 __u32 backlog; 241}; 242 243struct ucma_abi_accept { 244 __u32 cmd; 245 __u16 in; 246 __u16 out; 247 __u64 uid; 248 struct ucma_abi_conn_param conn_param; 249 __u32 id; 250 __u32 reserved; 251}; 252 253struct ucma_abi_reject { 254 __u32 cmd; 255 __u16 in; 256 __u16 out; 257 __u32 id; 258 __u8 private_data_len; 259 __u8 reserved[3]; 260 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 261}; 262 263struct ucma_abi_disconnect { 264 __u32 cmd; 265 __u16 in; 266 __u16 out; 267 __u32 id; 268}; 269 270struct ucma_abi_init_qp_attr { 271 __u32 cmd; 272 __u16 in; 273 __u16 out; 274 __u64 response; 275 __u32 id; 276 __u32 qp_state; 277}; 278 279struct ucma_abi_notify { 280 __u32 cmd; 281 __u16 in; 282 __u16 out; 283 __u32 id; 284 __u32 event; 285}; 286 287struct ucma_abi_join_ip_mcast { 288 __u32 cmd; 289 __u16 in; 290 __u16 out; 291 __u64 response; /* ucma_abi_create_id_resp */ 292 __u64 uid; 293 struct sockaddr_in6 addr; 294 __u32 id; 295}; 296 297struct ucma_abi_join_mcast { 298 __u32 cmd; 299 __u16 in; 300 __u16 out; 301 __u64 response; /* rdma_ucma_create_id_resp */ 302 __u64 uid; 303 __u32 id; 304 __u16 addr_size; 305 __u16 reserved; 306 struct sockaddr_storage addr; 307}; 308 309struct ucma_abi_get_event { 310 __u32 cmd; 311 __u16 in; 312 __u16 out; 313 __u64 response; 314}; 315 316struct ucma_abi_event_resp { 317 __u64 uid; 318 __u32 id; 319 __u32 event; 320 __u32 status; 321 union { 322 struct ucma_abi_conn_param conn; 323 struct ucma_abi_ud_param ud; 324 } param; 325}; 326 327struct ucma_abi_set_option { 328 __u32 cmd; 329 __u16 in; 330 __u16 out; 331 __u64 optval; 332 __u32 id; 333 __u32 level; 334 __u32 optname; 335 __u32 optlen; 336}; 337 338struct ucma_abi_migrate_id { 339 __u32 cmd; 340 __u16 in; 341 __u16 out; 342 __u64 response; 343 __u32 id; 344 __u32 fd; 345}; 346 347struct ucma_abi_migrate_resp { 348 __u32 events_reported; 349}; 350 351#endif /* RDMA_CMA_ABI_H */ 352