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 #ifdef _KERNEL 37 #include <linux/types.h> 38 #include <linux/socket.h> 39 #include <linux/in6.h> 40 #else 41 #include <infiniband/types.h> 42 #include <netinet/in.h> 43 #endif 44 45 #include <rdma/ib_user_verbs.h> 46 #include <rdma/ib_user_sa.h> 47 48 #define RDMA_USER_CM_ABI_VERSION 4 49 50 #define RDMA_MAX_PRIVATE_DATA 256 51 52 enum { 53 RDMA_USER_CM_CMD_CREATE_ID, 54 RDMA_USER_CM_CMD_DESTROY_ID, 55 RDMA_USER_CM_CMD_BIND_IP, 56 RDMA_USER_CM_CMD_RESOLVE_IP, 57 RDMA_USER_CM_CMD_RESOLVE_ROUTE, 58 RDMA_USER_CM_CMD_QUERY_ROUTE, 59 RDMA_USER_CM_CMD_CONNECT, 60 RDMA_USER_CM_CMD_LISTEN, 61 RDMA_USER_CM_CMD_ACCEPT, 62 RDMA_USER_CM_CMD_REJECT, 63 RDMA_USER_CM_CMD_DISCONNECT, 64 RDMA_USER_CM_CMD_INIT_QP_ATTR, 65 RDMA_USER_CM_CMD_GET_EVENT, 66 RDMA_USER_CM_CMD_GET_OPTION, 67 RDMA_USER_CM_CMD_SET_OPTION, 68 RDMA_USER_CM_CMD_NOTIFY, 69 RDMA_USER_CM_CMD_JOIN_IP_MCAST, 70 RDMA_USER_CM_CMD_LEAVE_MCAST, 71 RDMA_USER_CM_CMD_MIGRATE_ID, 72 RDMA_USER_CM_CMD_QUERY, 73 RDMA_USER_CM_CMD_BIND, 74 RDMA_USER_CM_CMD_RESOLVE_ADDR, 75 RDMA_USER_CM_CMD_JOIN_MCAST 76 }; 77 78 /* 79 * command ABI structures. 80 */ 81 struct rdma_ucm_cmd_hdr { 82 __u32 cmd; 83 __u16 in; 84 __u16 out; 85 }; 86 87 struct rdma_ucm_create_id { 88 __u64 uid; 89 __u64 response; 90 __u16 ps; 91 __u8 qp_type; 92 __u8 reserved[5]; 93 }; 94 95 struct rdma_ucm_create_id_resp { 96 __u32 id; 97 }; 98 99 struct rdma_ucm_destroy_id { 100 __u64 response; 101 __u32 id; 102 __u32 reserved; 103 }; 104 105 struct rdma_ucm_destroy_id_resp { 106 __u32 events_reported; 107 }; 108 109 struct rdma_ucm_bind_ip { 110 __u64 response; 111 struct sockaddr_in6 addr; 112 __u32 id; 113 }; 114 115 struct rdma_ucm_bind { 116 __u32 id; 117 __u16 addr_size; 118 __u16 reserved; 119 struct sockaddr_storage addr; 120 }; 121 122 struct rdma_ucm_resolve_ip { 123 struct sockaddr_in6 src_addr; 124 struct sockaddr_in6 dst_addr; 125 __u32 id; 126 __u32 timeout_ms; 127 }; 128 129 struct rdma_ucm_resolve_addr { 130 __u32 id; 131 __u32 timeout_ms; 132 __u16 src_size; 133 __u16 dst_size; 134 __u32 reserved; 135 struct sockaddr_storage src_addr; 136 struct sockaddr_storage dst_addr; 137 }; 138 139 struct rdma_ucm_resolve_route { 140 __u32 id; 141 __u32 timeout_ms; 142 }; 143 144 enum { 145 RDMA_USER_CM_QUERY_ADDR, 146 RDMA_USER_CM_QUERY_PATH, 147 RDMA_USER_CM_QUERY_GID 148 }; 149 150 struct rdma_ucm_query { 151 __u64 response; 152 __u32 id; 153 __u32 option; 154 }; 155 156 struct rdma_ucm_query_route_resp { 157 __u64 node_guid; 158 struct ib_user_path_rec ib_route[2]; 159 struct sockaddr_in6 src_addr; 160 struct sockaddr_in6 dst_addr; 161 __u32 num_paths; 162 __u8 port_num; 163 __u8 reserved[3]; 164 }; 165 166 struct rdma_ucm_query_addr_resp { 167 __u64 node_guid; 168 __u8 port_num; 169 __u8 reserved; 170 __u16 pkey; 171 __u16 src_size; 172 __u16 dst_size; 173 struct sockaddr_storage src_addr; 174 struct sockaddr_storage dst_addr; 175 }; 176 177 struct rdma_ucm_query_path_resp { 178 __u32 num_paths; 179 __u32 reserved; 180 struct ib_path_rec_data path_data[0]; 181 }; 182 183 struct rdma_ucm_conn_param { 184 __u32 qp_num; 185 __u32 qkey; 186 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 187 __u8 private_data_len; 188 __u8 srq; 189 __u8 responder_resources; 190 __u8 initiator_depth; 191 __u8 flow_control; 192 __u8 retry_count; 193 __u8 rnr_retry_count; 194 __u8 valid; 195 }; 196 197 struct rdma_ucm_ud_param { 198 __u32 qp_num; 199 __u32 qkey; 200 struct ib_uverbs_ah_attr ah_attr; 201 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 202 __u8 private_data_len; 203 __u8 reserved[7]; 204 }; 205 206 struct rdma_ucm_connect { 207 struct rdma_ucm_conn_param conn_param; 208 __u32 id; 209 __u32 reserved; 210 }; 211 212 struct rdma_ucm_listen { 213 __u32 id; 214 __u32 backlog; 215 }; 216 217 struct rdma_ucm_accept { 218 __u64 uid; 219 struct rdma_ucm_conn_param conn_param; 220 __u32 id; 221 __u32 reserved; 222 }; 223 224 struct rdma_ucm_reject { 225 __u32 id; 226 __u8 private_data_len; 227 __u8 reserved[3]; 228 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 229 }; 230 231 struct rdma_ucm_disconnect { 232 __u32 id; 233 }; 234 235 struct rdma_ucm_init_qp_attr { 236 __u64 response; 237 __u32 id; 238 __u32 qp_state; 239 }; 240 241 struct rdma_ucm_notify { 242 __u32 id; 243 __u32 event; 244 }; 245 246 struct rdma_ucm_join_ip_mcast { 247 __u64 response; /* rdma_ucm_create_id_resp */ 248 __u64 uid; 249 struct sockaddr_in6 addr; 250 __u32 id; 251 }; 252 253 /* Multicast join flags */ 254 enum { 255 RDMA_MC_JOIN_FLAG_FULLMEMBER, 256 RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER, 257 RDMA_MC_JOIN_FLAG_RESERVED, 258 }; 259 260 struct rdma_ucm_join_mcast { 261 __u64 response; /* rdma_ucma_create_id_resp */ 262 __u64 uid; 263 __u32 id; 264 __u16 addr_size; 265 __u16 join_flags; 266 struct sockaddr_storage addr; 267 }; 268 269 struct rdma_ucm_get_event { 270 __u64 response; 271 }; 272 273 struct rdma_ucm_event_resp { 274 __u64 uid; 275 __u32 id; 276 __u32 event; 277 __u32 status; 278 union { 279 struct rdma_ucm_conn_param conn; 280 struct rdma_ucm_ud_param ud; 281 } param; 282 }; 283 284 /* Option levels */ 285 enum { 286 RDMA_OPTION_ID = 0, 287 RDMA_OPTION_IB = 1 288 }; 289 290 /* Option details */ 291 enum { 292 RDMA_OPTION_ID_TOS = 0, 293 RDMA_OPTION_ID_REUSEADDR = 1, 294 RDMA_OPTION_ID_AFONLY = 2, 295 RDMA_OPTION_IB_PATH = 1 296 }; 297 298 struct rdma_ucm_set_option { 299 __u64 optval; 300 __u32 id; 301 __u32 level; 302 __u32 optname; 303 __u32 optlen; 304 }; 305 306 struct rdma_ucm_migrate_id { 307 __u64 response; 308 __u32 id; 309 __u32 fd; 310 }; 311 312 struct rdma_ucm_migrate_resp { 313 __u32 events_reported; 314 }; 315 316 #endif /* RDMA_USER_CM_H */ 317