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/socket.h> 38#include <linux/in6.h> 39#include <rdma/ib_user_verbs.h> 40#include <rdma/ib_user_sa.h> 41 42#define RDMA_USER_CM_ABI_VERSION 4 43 44#define RDMA_MAX_PRIVATE_DATA 256 45 46enum { 47 RDMA_USER_CM_CMD_CREATE_ID, 48 RDMA_USER_CM_CMD_DESTROY_ID, 49 RDMA_USER_CM_CMD_BIND_IP, 50 RDMA_USER_CM_CMD_RESOLVE_IP, 51 RDMA_USER_CM_CMD_RESOLVE_ROUTE, 52 RDMA_USER_CM_CMD_QUERY_ROUTE, 53 RDMA_USER_CM_CMD_CONNECT, 54 RDMA_USER_CM_CMD_LISTEN, 55 RDMA_USER_CM_CMD_ACCEPT, 56 RDMA_USER_CM_CMD_REJECT, 57 RDMA_USER_CM_CMD_DISCONNECT, 58 RDMA_USER_CM_CMD_INIT_QP_ATTR, 59 RDMA_USER_CM_CMD_GET_EVENT, 60 RDMA_USER_CM_CMD_GET_OPTION, 61 RDMA_USER_CM_CMD_SET_OPTION, 62 RDMA_USER_CM_CMD_NOTIFY, 63 RDMA_USER_CM_CMD_JOIN_IP_MCAST, 64 RDMA_USER_CM_CMD_LEAVE_MCAST, 65 RDMA_USER_CM_CMD_MIGRATE_ID, 66 RDMA_USER_CM_CMD_QUERY, 67 RDMA_USER_CM_CMD_BIND, 68 RDMA_USER_CM_CMD_RESOLVE_ADDR, 69 RDMA_USER_CM_CMD_JOIN_MCAST 70}; 71 72/* 73 * command ABI structures. 74 */ 75struct rdma_ucm_cmd_hdr { 76 __u32 cmd; 77 __u16 in; 78 __u16 out; 79}; 80 81struct rdma_ucm_create_id { 82 __u64 uid; 83 __u64 response; 84 __u16 ps; 85 __u8 qp_type; 86 __u8 reserved[5]; 87}; 88 89struct rdma_ucm_create_id_resp { 90 __u32 id; 91}; 92 93struct rdma_ucm_destroy_id { 94 __u64 response; 95 __u32 id; 96 __u32 reserved; 97}; 98 99struct rdma_ucm_destroy_id_resp { 100 __u32 events_reported; 101}; 102 103struct rdma_ucm_bind_ip { 104 __u64 response; 105 struct sockaddr_in6 addr; 106 __u32 id; 107}; 108 109struct rdma_ucm_bind { 110 __u32 id; 111 __u16 addr_size; 112 __u16 reserved; 113 struct sockaddr_storage addr; 114}; 115 116struct rdma_ucm_resolve_ip { 117 struct sockaddr_in6 src_addr; 118 struct sockaddr_in6 dst_addr; 119 __u32 id; 120 __u32 timeout_ms; 121}; 122 123struct rdma_ucm_resolve_addr { 124 __u32 id; 125 __u32 timeout_ms; 126 __u16 src_size; 127 __u16 dst_size; 128 __u32 reserved; 129 struct sockaddr_storage src_addr; 130 struct sockaddr_storage dst_addr; 131}; 132 133struct rdma_ucm_resolve_route { 134 __u32 id; 135 __u32 timeout_ms; 136}; 137 138enum { 139 RDMA_USER_CM_QUERY_ADDR, 140 RDMA_USER_CM_QUERY_PATH, 141 RDMA_USER_CM_QUERY_GID 142}; 143 144struct rdma_ucm_query { 145 __u64 response; 146 __u32 id; 147 __u32 option; 148}; 149 150struct rdma_ucm_query_route_resp { 151 __u64 node_guid; 152 struct ib_user_path_rec ib_route[2]; 153 struct sockaddr_in6 src_addr; 154 struct sockaddr_in6 dst_addr; 155 __u32 num_paths; 156 __u8 port_num; 157 __u8 reserved[3]; 158}; 159 160struct rdma_ucm_query_addr_resp { 161 __u64 node_guid; 162 __u8 port_num; 163 __u8 reserved; 164 __u16 pkey; 165 __u16 src_size; 166 __u16 dst_size; 167 struct sockaddr_storage src_addr; 168 struct sockaddr_storage dst_addr; 169}; 170 171struct rdma_ucm_query_path_resp { 172 __u32 num_paths; 173 __u32 reserved; 174 struct ib_path_rec_data path_data[0]; 175}; 176 177struct rdma_ucm_conn_param { 178 __u32 qp_num; 179 __u32 qkey; 180 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 181 __u8 private_data_len; 182 __u8 srq; 183 __u8 responder_resources; 184 __u8 initiator_depth; 185 __u8 flow_control; 186 __u8 retry_count; 187 __u8 rnr_retry_count; 188 __u8 valid; 189}; 190 191struct rdma_ucm_ud_param { 192 __u32 qp_num; 193 __u32 qkey; 194 struct ib_uverbs_ah_attr ah_attr; 195 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 196 __u8 private_data_len; 197 __u8 reserved[7]; 198}; 199 200struct rdma_ucm_connect { 201 struct rdma_ucm_conn_param conn_param; 202 __u32 id; 203 __u32 reserved; 204}; 205 206struct rdma_ucm_listen { 207 __u32 id; 208 __u32 backlog; 209}; 210 211struct rdma_ucm_accept { 212 __u64 uid; 213 struct rdma_ucm_conn_param conn_param; 214 __u32 id; 215 __u32 reserved; 216}; 217 218struct rdma_ucm_reject { 219 __u32 id; 220 __u8 private_data_len; 221 __u8 reserved[3]; 222 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 223}; 224 225struct rdma_ucm_disconnect { 226 __u32 id; 227}; 228 229struct rdma_ucm_init_qp_attr { 230 __u64 response; 231 __u32 id; 232 __u32 qp_state; 233}; 234 235struct rdma_ucm_notify { 236 __u32 id; 237 __u32 event; 238}; 239 240struct rdma_ucm_join_ip_mcast { 241 __u64 response; /* rdma_ucm_create_id_resp */ 242 __u64 uid; 243 struct sockaddr_in6 addr; 244 __u32 id; 245}; 246 247struct rdma_ucm_join_mcast { 248 __u64 response; /* rdma_ucma_create_id_resp */ 249 __u64 uid; 250 __u32 id; 251 __u16 addr_size; 252 __u16 reserved; 253 struct sockaddr_storage addr; 254}; 255 256struct rdma_ucm_get_event { 257 __u64 response; 258}; 259 260struct rdma_ucm_event_resp { 261 __u64 uid; 262 __u32 id; 263 __u32 event; 264 __u32 status; 265 union { 266 struct rdma_ucm_conn_param conn; 267 struct rdma_ucm_ud_param ud; 268 } param; 269}; 270 271/* Option levels */ 272enum { 273 RDMA_OPTION_ID = 0, 274 RDMA_OPTION_IB = 1 275}; 276 277/* Option details */ 278enum { 279 RDMA_OPTION_ID_TOS = 0, 280 RDMA_OPTION_ID_REUSEADDR = 1, 281 RDMA_OPTION_ID_AFONLY = 2, 282 RDMA_OPTION_IB_PATH = 1 283}; 284 285struct rdma_ucm_set_option { 286 __u64 optval; 287 __u32 id; 288 __u32 level; 289 __u32 optname; 290 __u32 optlen; 291}; 292 293struct rdma_ucm_migrate_id { 294 __u64 response; 295 __u32 id; 296 __u32 fd; 297}; 298 299struct rdma_ucm_migrate_resp { 300 __u32 events_reported; 301}; 302 303#endif /* RDMA_USER_CM_H */ 304