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 46 enum { 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 */ 75 struct rdma_ucm_cmd_hdr { 76 __u32 cmd; 77 __u16 in; 78 __u16 out; 79 }; 80 81 struct rdma_ucm_create_id { 82 __u64 uid; 83 __u64 response; 84 __u16 ps; 85 __u8 qp_type; 86 __u8 reserved[5]; 87 }; 88 89 struct rdma_ucm_create_id_resp { 90 __u32 id; 91 }; 92 93 struct rdma_ucm_destroy_id { 94 __u64 response; 95 __u32 id; 96 __u32 reserved; 97 }; 98 99 struct rdma_ucm_destroy_id_resp { 100 __u32 events_reported; 101 }; 102 103 struct rdma_ucm_bind_ip { 104 __u64 response; 105 struct sockaddr_in6 addr; 106 __u32 id; 107 }; 108 109 struct rdma_ucm_bind { 110 __u32 id; 111 __u16 addr_size; 112 __u16 reserved; 113 struct __kernel_sockaddr_storage addr; 114 }; 115 116 struct rdma_ucm_resolve_ip { 117 struct sockaddr_in6 src_addr; 118 struct sockaddr_in6 dst_addr; 119 __u32 id; 120 __u32 timeout_ms; 121 }; 122 123 struct rdma_ucm_resolve_addr { 124 __u32 id; 125 __u32 timeout_ms; 126 __u16 src_size; 127 __u16 dst_size; 128 __u32 reserved; 129 struct __kernel_sockaddr_storage src_addr; 130 struct __kernel_sockaddr_storage dst_addr; 131 }; 132 133 struct rdma_ucm_resolve_route { 134 __u32 id; 135 __u32 timeout_ms; 136 }; 137 138 enum { 139 RDMA_USER_CM_QUERY_ADDR, 140 RDMA_USER_CM_QUERY_PATH, 141 RDMA_USER_CM_QUERY_GID 142 }; 143 144 struct rdma_ucm_query { 145 __u64 response; 146 __u32 id; 147 __u32 option; 148 }; 149 150 struct 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 }; 159 160 struct 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 __kernel_sockaddr_storage src_addr; 168 struct __kernel_sockaddr_storage dst_addr; 169 }; 170 171 struct rdma_ucm_query_path_resp { 172 __u32 num_paths; 173 __u32 reserved; 174 struct ib_path_rec_data path_data[0]; 175 }; 176 177 struct 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 }; 190 191 struct 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 }; 199 200 struct rdma_ucm_connect { 201 struct rdma_ucm_conn_param conn_param; 202 __u32 id; 203 __u32 reserved; 204 }; 205 206 struct rdma_ucm_listen { 207 __u32 id; 208 __u32 backlog; 209 }; 210 211 struct rdma_ucm_accept { 212 __u64 uid; 213 struct rdma_ucm_conn_param conn_param; 214 __u32 id; 215 __u32 reserved; 216 }; 217 218 struct rdma_ucm_reject { 219 __u32 id; 220 __u8 private_data_len; 221 __u8 reserved[3]; 222 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 223 }; 224 225 struct rdma_ucm_disconnect { 226 __u32 id; 227 }; 228 229 struct rdma_ucm_init_qp_attr { 230 __u64 response; 231 __u32 id; 232 __u32 qp_state; 233 }; 234 235 struct rdma_ucm_notify { 236 __u32 id; 237 __u32 event; 238 }; 239 240 struct 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 }; 246 247 /* Multicast join flags */ 248 enum { 249 RDMA_MC_JOIN_FLAG_FULLMEMBER, 250 RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER, 251 RDMA_MC_JOIN_FLAG_RESERVED, 252 }; 253 254 struct rdma_ucm_join_mcast { 255 __u64 response; /* rdma_ucma_create_id_resp */ 256 __u64 uid; 257 __u32 id; 258 __u16 addr_size; 259 __u16 join_flags; 260 struct __kernel_sockaddr_storage addr; 261 }; 262 263 struct rdma_ucm_get_event { 264 __u64 response; 265 }; 266 267 struct rdma_ucm_event_resp { 268 __u64 uid; 269 __u32 id; 270 __u32 event; 271 __u32 status; 272 union { 273 struct rdma_ucm_conn_param conn; 274 struct rdma_ucm_ud_param ud; 275 } param; 276 }; 277 278 /* Option levels */ 279 enum { 280 RDMA_OPTION_ID = 0, 281 RDMA_OPTION_IB = 1 282 }; 283 284 /* Option details */ 285 enum { 286 RDMA_OPTION_ID_TOS = 0, 287 RDMA_OPTION_ID_REUSEADDR = 1, 288 RDMA_OPTION_ID_AFONLY = 2, 289 RDMA_OPTION_IB_PATH = 1 290 }; 291 292 struct rdma_ucm_set_option { 293 __u64 optval; 294 __u32 id; 295 __u32 level; 296 __u32 optname; 297 __u32 optlen; 298 }; 299 300 struct rdma_ucm_migrate_id { 301 __u64 response; 302 __u32 id; 303 __u32 fd; 304 }; 305 306 struct rdma_ucm_migrate_resp { 307 __u32 events_reported; 308 }; 309 310 #endif /* RDMA_USER_CM_H */ 311
