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 reserved[6]; 81 }; 82 83 struct rdma_ucm_create_id_resp { 84 __u32 id; 85 }; 86 87 struct rdma_ucm_destroy_id { 88 __u64 response; 89 __u32 id; 90 __u32 reserved; 91 }; 92 93 struct rdma_ucm_destroy_id_resp { 94 __u32 events_reported; 95 }; 96 97 struct rdma_ucm_bind_addr { 98 __u64 response; 99 struct sockaddr_in6 addr; 100 __u32 id; 101 }; 102 103 struct rdma_ucm_resolve_addr { 104 struct sockaddr_in6 src_addr; 105 struct sockaddr_in6 dst_addr; 106 __u32 id; 107 __u32 timeout_ms; 108 }; 109 110 struct rdma_ucm_resolve_route { 111 __u32 id; 112 __u32 timeout_ms; 113 }; 114 115 struct rdma_ucm_query_route { 116 __u64 response; 117 __u32 id; 118 __u32 reserved; 119 }; 120 121 struct rdma_ucm_query_route_resp { 122 __u64 node_guid; 123 struct ib_user_path_rec ib_route[2]; 124 struct sockaddr_in6 src_addr; 125 struct sockaddr_in6 dst_addr; 126 __u32 num_paths; 127 __u8 port_num; 128 __u8 reserved[3]; 129 }; 130 131 struct rdma_ucm_conn_param { 132 __u32 qp_num; 133 __u32 reserved; 134 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 135 __u8 private_data_len; 136 __u8 srq; 137 __u8 responder_resources; 138 __u8 initiator_depth; 139 __u8 flow_control; 140 __u8 retry_count; 141 __u8 rnr_retry_count; 142 __u8 valid; 143 }; 144 145 struct rdma_ucm_ud_param { 146 __u32 qp_num; 147 __u32 qkey; 148 struct ib_uverbs_ah_attr ah_attr; 149 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 150 __u8 private_data_len; 151 __u8 reserved[7]; 152 }; 153 154 struct rdma_ucm_connect { 155 struct rdma_ucm_conn_param conn_param; 156 __u32 id; 157 __u32 reserved; 158 }; 159 160 struct rdma_ucm_listen { 161 __u32 id; 162 __u32 backlog; 163 }; 164 165 struct rdma_ucm_accept { 166 __u64 uid; 167 struct rdma_ucm_conn_param conn_param; 168 __u32 id; 169 __u32 reserved; 170 }; 171 172 struct rdma_ucm_reject { 173 __u32 id; 174 __u8 private_data_len; 175 __u8 reserved[3]; 176 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 177 }; 178 179 struct rdma_ucm_disconnect { 180 __u32 id; 181 }; 182 183 struct rdma_ucm_init_qp_attr { 184 __u64 response; 185 __u32 id; 186 __u32 qp_state; 187 }; 188 189 struct rdma_ucm_notify { 190 __u32 id; 191 __u32 event; 192 }; 193 194 struct rdma_ucm_join_mcast { 195 __u64 response; /* rdma_ucm_create_id_resp */ 196 __u64 uid; 197 struct sockaddr_in6 addr; 198 __u32 id; 199 }; 200 201 struct rdma_ucm_get_event { 202 __u64 response; 203 }; 204 205 struct rdma_ucm_event_resp { 206 __u64 uid; 207 __u32 id; 208 __u32 event; 209 __u32 status; 210 union { 211 struct rdma_ucm_conn_param conn; 212 struct rdma_ucm_ud_param ud; 213 } param; 214 }; 215 216 /* Option levels */ 217 enum { 218 RDMA_OPTION_ID = 0 219 }; 220 221 /* Option details */ 222 enum { 223 RDMA_OPTION_ID_TOS = 0 224 }; 225 226 struct rdma_ucm_set_option { 227 __u64 optval; 228 __u32 id; 229 __u32 level; 230 __u32 optname; 231 __u32 optlen; 232 }; 233 234 struct rdma_ucm_migrate_id { 235 __u64 response; 236 __u32 id; 237 __u32 fd; 238 }; 239 240 struct rdma_ucm_migrate_resp { 241 __u32 events_reported; 242 }; 243 244 #endif /* RDMA_USER_CM_H */ 245