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_ADDR, 49 RDMA_USER_CM_CMD_RESOLVE_ADDR, 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_MCAST, 63 RDMA_USER_CM_CMD_LEAVE_MCAST, 64 RDMA_USER_CM_CMD_MIGRATE_ID 65 }; 66 67 /* 68 * command ABI structures. 69 */ 70 struct rdma_ucm_cmd_hdr { 71 __u32 cmd; 72 __u16 in; 73 __u16 out; 74 }; 75 76 struct rdma_ucm_create_id { 77 __u64 uid; 78 __u64 response; 79 __u16 ps; 80 __u8 qp_type; 81 __u8 reserved[5]; 82 }; 83 84 struct rdma_ucm_create_id_resp { 85 __u32 id; 86 }; 87 88 struct rdma_ucm_destroy_id { 89 __u64 response; 90 __u32 id; 91 __u32 reserved; 92 }; 93 94 struct rdma_ucm_destroy_id_resp { 95 __u32 events_reported; 96 }; 97 98 struct rdma_ucm_bind_addr { 99 __u64 response; 100 struct sockaddr_in6 addr; 101 __u32 id; 102 }; 103 104 struct rdma_ucm_resolve_addr { 105 struct sockaddr_in6 src_addr; 106 struct sockaddr_in6 dst_addr; 107 __u32 id; 108 __u32 timeout_ms; 109 }; 110 111 struct rdma_ucm_resolve_route { 112 __u32 id; 113 __u32 timeout_ms; 114 }; 115 116 struct rdma_ucm_query_route { 117 __u64 response; 118 __u32 id; 119 __u32 reserved; 120 }; 121 122 struct rdma_ucm_query_route_resp { 123 __u64 node_guid; 124 struct ib_user_path_rec ib_route[2]; 125 struct sockaddr_in6 src_addr; 126 struct sockaddr_in6 dst_addr; 127 __u32 num_paths; 128 __u8 port_num; 129 __u8 reserved[3]; 130 }; 131 132 struct rdma_ucm_conn_param { 133 __u32 qp_num; 134 __u32 reserved; 135 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 136 __u8 private_data_len; 137 __u8 srq; 138 __u8 responder_resources; 139 __u8 initiator_depth; 140 __u8 flow_control; 141 __u8 retry_count; 142 __u8 rnr_retry_count; 143 __u8 valid; 144 }; 145 146 struct rdma_ucm_ud_param { 147 __u32 qp_num; 148 __u32 qkey; 149 struct ib_uverbs_ah_attr ah_attr; 150 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 151 __u8 private_data_len; 152 __u8 reserved[7]; 153 }; 154 155 struct rdma_ucm_connect { 156 struct rdma_ucm_conn_param conn_param; 157 __u32 id; 158 __u32 reserved; 159 }; 160 161 struct rdma_ucm_listen { 162 __u32 id; 163 __u32 backlog; 164 }; 165 166 struct rdma_ucm_accept { 167 __u64 uid; 168 struct rdma_ucm_conn_param conn_param; 169 __u32 id; 170 __u32 reserved; 171 }; 172 173 struct rdma_ucm_reject { 174 __u32 id; 175 __u8 private_data_len; 176 __u8 reserved[3]; 177 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 178 }; 179 180 struct rdma_ucm_disconnect { 181 __u32 id; 182 }; 183 184 struct rdma_ucm_init_qp_attr { 185 __u64 response; 186 __u32 id; 187 __u32 qp_state; 188 }; 189 190 struct rdma_ucm_notify { 191 __u32 id; 192 __u32 event; 193 }; 194 195 struct rdma_ucm_join_mcast { 196 __u64 response; /* rdma_ucm_create_id_resp */ 197 __u64 uid; 198 struct sockaddr_in6 addr; 199 __u32 id; 200 }; 201 202 struct rdma_ucm_get_event { 203 __u64 response; 204 }; 205 206 struct rdma_ucm_event_resp { 207 __u64 uid; 208 __u32 id; 209 __u32 event; 210 __u32 status; 211 union { 212 struct rdma_ucm_conn_param conn; 213 struct rdma_ucm_ud_param ud; 214 } param; 215 }; 216 217 /* Option levels */ 218 enum { 219 RDMA_OPTION_ID = 0, 220 RDMA_OPTION_IB = 1 221 }; 222 223 /* Option details */ 224 enum { 225 RDMA_OPTION_ID_TOS = 0, 226 RDMA_OPTION_ID_REUSEADDR = 1, 227 RDMA_OPTION_IB_PATH = 1 228 }; 229 230 struct rdma_ucm_set_option { 231 __u64 optval; 232 __u32 id; 233 __u32 level; 234 __u32 optname; 235 __u32 optlen; 236 }; 237 238 struct rdma_ucm_migrate_id { 239 __u64 response; 240 __u32 id; 241 __u32 fd; 242 }; 243 244 struct rdma_ucm_migrate_resp { 245 __u32 events_reported; 246 }; 247 248 #endif /* RDMA_USER_CM_H */ 249
