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 45 enum { 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 }; 68 69 /* 70 * command ABI structures. 71 */ 72 struct rdma_ucm_cmd_hdr { 73 __u32 cmd; 74 __u16 in; 75 __u16 out; 76 }; 77 78 struct rdma_ucm_create_id { 79 __u64 uid; 80 __u64 response; 81 __u16 ps; 82 __u8 qp_type; 83 __u8 reserved[5]; 84 }; 85 86 struct rdma_ucm_create_id_resp { 87 __u32 id; 88 }; 89 90 struct rdma_ucm_destroy_id { 91 __u64 response; 92 __u32 id; 93 __u32 reserved; 94 }; 95 96 struct rdma_ucm_destroy_id_resp { 97 __u32 events_reported; 98 }; 99 100 struct rdma_ucm_bind_ip { 101 __u64 response; 102 struct sockaddr_in6 addr; 103 __u32 id; 104 }; 105 106 struct rdma_ucm_bind { 107 __u32 id; 108 __u16 addr_size; 109 __u16 reserved; 110 struct sockaddr_storage addr; 111 }; 112 113 struct rdma_ucm_resolve_ip { 114 struct sockaddr_in6 src_addr; 115 struct sockaddr_in6 dst_addr; 116 __u32 id; 117 __u32 timeout_ms; 118 }; 119 120 struct rdma_ucm_resolve_route { 121 __u32 id; 122 __u32 timeout_ms; 123 }; 124 125 enum { 126 RDMA_USER_CM_QUERY_ADDR, 127 RDMA_USER_CM_QUERY_PATH, 128 RDMA_USER_CM_QUERY_GID 129 }; 130 131 struct rdma_ucm_query { 132 __u64 response; 133 __u32 id; 134 __u32 option; 135 }; 136 137 struct rdma_ucm_query_route_resp { 138 __u64 node_guid; 139 struct ib_user_path_rec ib_route[2]; 140 struct sockaddr_in6 src_addr; 141 struct sockaddr_in6 dst_addr; 142 __u32 num_paths; 143 __u8 port_num; 144 __u8 reserved[3]; 145 }; 146 147 struct rdma_ucm_query_addr_resp { 148 __u64 node_guid; 149 __u8 port_num; 150 __u8 reserved; 151 __u16 pkey; 152 __u16 src_size; 153 __u16 dst_size; 154 struct sockaddr_storage src_addr; 155 struct sockaddr_storage dst_addr; 156 }; 157 158 struct rdma_ucm_query_path_resp { 159 __u32 num_paths; 160 __u32 reserved; 161 struct ib_path_rec_data path_data[0]; 162 }; 163 164 struct rdma_ucm_conn_param { 165 __u32 qp_num; 166 __u32 qkey; 167 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 168 __u8 private_data_len; 169 __u8 srq; 170 __u8 responder_resources; 171 __u8 initiator_depth; 172 __u8 flow_control; 173 __u8 retry_count; 174 __u8 rnr_retry_count; 175 __u8 valid; 176 }; 177 178 struct rdma_ucm_ud_param { 179 __u32 qp_num; 180 __u32 qkey; 181 struct ib_uverbs_ah_attr ah_attr; 182 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 183 __u8 private_data_len; 184 __u8 reserved[7]; 185 }; 186 187 struct rdma_ucm_connect { 188 struct rdma_ucm_conn_param conn_param; 189 __u32 id; 190 __u32 reserved; 191 }; 192 193 struct rdma_ucm_listen { 194 __u32 id; 195 __u32 backlog; 196 }; 197 198 struct rdma_ucm_accept { 199 __u64 uid; 200 struct rdma_ucm_conn_param conn_param; 201 __u32 id; 202 __u32 reserved; 203 }; 204 205 struct rdma_ucm_reject { 206 __u32 id; 207 __u8 private_data_len; 208 __u8 reserved[3]; 209 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 210 }; 211 212 struct rdma_ucm_disconnect { 213 __u32 id; 214 }; 215 216 struct rdma_ucm_init_qp_attr { 217 __u64 response; 218 __u32 id; 219 __u32 qp_state; 220 }; 221 222 struct rdma_ucm_notify { 223 __u32 id; 224 __u32 event; 225 }; 226 227 struct rdma_ucm_join_ip_mcast { 228 __u64 response; /* rdma_ucm_create_id_resp */ 229 __u64 uid; 230 struct sockaddr_in6 addr; 231 __u32 id; 232 }; 233 234 struct rdma_ucm_get_event { 235 __u64 response; 236 }; 237 238 struct rdma_ucm_event_resp { 239 __u64 uid; 240 __u32 id; 241 __u32 event; 242 __u32 status; 243 union { 244 struct rdma_ucm_conn_param conn; 245 struct rdma_ucm_ud_param ud; 246 } param; 247 }; 248 249 /* Option levels */ 250 enum { 251 RDMA_OPTION_ID = 0, 252 RDMA_OPTION_IB = 1 253 }; 254 255 /* Option details */ 256 enum { 257 RDMA_OPTION_ID_TOS = 0, 258 RDMA_OPTION_ID_REUSEADDR = 1, 259 RDMA_OPTION_ID_AFONLY = 2, 260 RDMA_OPTION_IB_PATH = 1 261 }; 262 263 struct rdma_ucm_set_option { 264 __u64 optval; 265 __u32 id; 266 __u32 level; 267 __u32 optname; 268 __u32 optlen; 269 }; 270 271 struct rdma_ucm_migrate_id { 272 __u64 response; 273 __u32 id; 274 __u32 fd; 275 }; 276 277 struct rdma_ucm_migrate_resp { 278 __u32 events_reported; 279 }; 280 281 #endif /* RDMA_USER_CM_H */ 282