1/* 2 * Copyright (c) 2005-2006 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_USER_CM_H 34#define RDMA_USER_CM_H 35 36#include <linux/types.h> 37#include <linux/in6.h> 38#include <rdma/ib_user_verbs.h> 39#include <rdma/ib_user_sa.h> 40 41#define RDMA_USER_CM_ABI_VERSION 4 42 43#define RDMA_MAX_PRIVATE_DATA 256 44 45enum { 46 RDMA_USER_CM_CMD_CREATE_ID, 47 RDMA_USER_CM_CMD_DESTROY_ID, 48 RDMA_USER_CM_CMD_BIND_IP, 49 RDMA_USER_CM_CMD_RESOLVE_IP, 50 RDMA_USER_CM_CMD_RESOLVE_ROUTE, 51 RDMA_USER_CM_CMD_QUERY_ROUTE, 52 RDMA_USER_CM_CMD_CONNECT, 53 RDMA_USER_CM_CMD_LISTEN, 54 RDMA_USER_CM_CMD_ACCEPT, 55 RDMA_USER_CM_CMD_REJECT, 56 RDMA_USER_CM_CMD_DISCONNECT, 57 RDMA_USER_CM_CMD_INIT_QP_ATTR, 58 RDMA_USER_CM_CMD_GET_EVENT, 59 RDMA_USER_CM_CMD_GET_OPTION, 60 RDMA_USER_CM_CMD_SET_OPTION, 61 RDMA_USER_CM_CMD_NOTIFY, 62 RDMA_USER_CM_CMD_JOIN_IP_MCAST, 63 RDMA_USER_CM_CMD_LEAVE_MCAST, 64 RDMA_USER_CM_CMD_MIGRATE_ID, 65 RDMA_USER_CM_CMD_QUERY, 66 RDMA_USER_CM_CMD_BIND, 67 RDMA_USER_CM_CMD_RESOLVE_ADDR, 68 RDMA_USER_CM_CMD_JOIN_MCAST 69}; 70 71/* 72 * command ABI structures. 73 */ 74struct rdma_ucm_cmd_hdr { 75 __u32 cmd; 76 __u16 in; 77 __u16 out; 78}; 79 80struct rdma_ucm_create_id { 81 __u64 uid; 82 __u64 response; 83 __u16 ps; 84 __u8 qp_type; 85 __u8 reserved[5]; 86}; 87 88struct rdma_ucm_create_id_resp { 89 __u32 id; 90}; 91 92struct rdma_ucm_destroy_id { 93 __u64 response; 94 __u32 id; 95 __u32 reserved; 96}; 97 98struct rdma_ucm_destroy_id_resp { 99 __u32 events_reported; 100}; 101 102struct rdma_ucm_bind_ip { 103 __u64 response; 104 struct sockaddr_in6 addr; 105 __u32 id; 106}; 107 108struct rdma_ucm_bind { 109 __u32 id; 110 __u16 addr_size; 111 __u16 reserved; 112 struct sockaddr_storage addr; 113}; 114 115struct rdma_ucm_resolve_ip { 116 struct sockaddr_in6 src_addr; 117 struct sockaddr_in6 dst_addr; 118 __u32 id; 119 __u32 timeout_ms; 120}; 121 122struct rdma_ucm_resolve_addr { 123 __u32 id; 124 __u32 timeout_ms; 125 __u16 src_size; 126 __u16 dst_size; 127 __u32 reserved; 128 struct sockaddr_storage src_addr; 129 struct sockaddr_storage dst_addr; 130}; 131 132struct rdma_ucm_resolve_route { 133 __u32 id; 134 __u32 timeout_ms; 135}; 136 137enum { 138 RDMA_USER_CM_QUERY_ADDR, 139 RDMA_USER_CM_QUERY_PATH, 140 RDMA_USER_CM_QUERY_GID 141}; 142 143struct rdma_ucm_query { 144 __u64 response; 145 __u32 id; 146 __u32 option; 147}; 148 149struct rdma_ucm_query_route_resp { 150 __u64 node_guid; 151 struct ib_user_path_rec ib_route[2]; 152 struct sockaddr_in6 src_addr; 153 struct sockaddr_in6 dst_addr; 154 __u32 num_paths; 155 __u8 port_num; 156 __u8 reserved[3]; 157}; 158 159struct rdma_ucm_query_addr_resp { 160 __u64 node_guid; 161 __u8 port_num; 162 __u8 reserved; 163 __u16 pkey; 164 __u16 src_size; 165 __u16 dst_size; 166 struct sockaddr_storage src_addr; 167 struct sockaddr_storage dst_addr; 168}; 169 170struct rdma_ucm_query_path_resp { 171 __u32 num_paths; 172 __u32 reserved; 173 struct ib_path_rec_data path_data[0]; 174}; 175 176struct rdma_ucm_conn_param { 177 __u32 qp_num; 178 __u32 qkey; 179 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 180 __u8 private_data_len; 181 __u8 srq; 182 __u8 responder_resources; 183 __u8 initiator_depth; 184 __u8 flow_control; 185 __u8 retry_count; 186 __u8 rnr_retry_count; 187 __u8 valid; 188}; 189 190struct rdma_ucm_ud_param { 191 __u32 qp_num; 192 __u32 qkey; 193 struct ib_uverbs_ah_attr ah_attr; 194 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 195 __u8 private_data_len; 196 __u8 reserved[7]; 197}; 198 199struct rdma_ucm_connect { 200 struct rdma_ucm_conn_param conn_param; 201 __u32 id; 202 __u32 reserved; 203}; 204 205struct rdma_ucm_listen { 206 __u32 id; 207 __u32 backlog; 208}; 209 210struct rdma_ucm_accept { 211 __u64 uid; 212 struct rdma_ucm_conn_param conn_param; 213 __u32 id; 214 __u32 reserved; 215}; 216 217struct rdma_ucm_reject { 218 __u32 id; 219 __u8 private_data_len; 220 __u8 reserved[3]; 221 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 222}; 223 224struct rdma_ucm_disconnect { 225 __u32 id; 226}; 227 228struct rdma_ucm_init_qp_attr { 229 __u64 response; 230 __u32 id; 231 __u32 qp_state; 232}; 233 234struct rdma_ucm_notify { 235 __u32 id; 236 __u32 event; 237}; 238 239struct rdma_ucm_join_ip_mcast { 240 __u64 response; /* rdma_ucm_create_id_resp */ 241 __u64 uid; 242 struct sockaddr_in6 addr; 243 __u32 id; 244}; 245 246struct rdma_ucm_join_mcast { 247 __u64 response; /* rdma_ucma_create_id_resp */ 248 __u64 uid; 249 __u32 id; 250 __u16 addr_size; 251 __u16 reserved; 252 struct sockaddr_storage addr; 253}; 254 255struct rdma_ucm_get_event { 256 __u64 response; 257}; 258 259struct rdma_ucm_event_resp { 260 __u64 uid; 261 __u32 id; 262 __u32 event; 263 __u32 status; 264 union { 265 struct rdma_ucm_conn_param conn; 266 struct rdma_ucm_ud_param ud; 267 } param; 268}; 269 270/* Option levels */ 271enum { 272 RDMA_OPTION_ID = 0, 273 RDMA_OPTION_IB = 1 274}; 275 276/* Option details */ 277enum { 278 RDMA_OPTION_ID_TOS = 0, 279 RDMA_OPTION_ID_REUSEADDR = 1, 280 RDMA_OPTION_ID_AFONLY = 2, 281 RDMA_OPTION_IB_PATH = 1 282}; 283 284struct rdma_ucm_set_option { 285 __u64 optval; 286 __u32 id; 287 __u32 level; 288 __u32 optname; 289 __u32 optlen; 290}; 291 292struct rdma_ucm_migrate_id { 293 __u64 response; 294 __u32 id; 295 __u32 fd; 296}; 297 298struct rdma_ucm_migrate_resp { 299 __u32 events_reported; 300}; 301 302#endif /* RDMA_USER_CM_H */ 303