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_CMA_ABI_H 34#define RDMA_CMA_ABI_H 35 36#include <infiniband/kern-abi.h> 37#include <infiniband/sa-kern-abi.h> 38 39/* 40 * This file must be kept in sync with the kernel's version of rdma_user_cm.h 41 */ 42 43#define RDMA_USER_CM_MIN_ABI_VERSION 3 44#define RDMA_USER_CM_MAX_ABI_VERSION 4 45 46#define RDMA_MAX_PRIVATE_DATA 256 47 48enum { 49 UCMA_CMD_CREATE_ID, 50 UCMA_CMD_DESTROY_ID, 51 UCMA_CMD_BIND_ADDR, 52 UCMA_CMD_RESOLVE_ADDR, 53 UCMA_CMD_RESOLVE_ROUTE, 54 UCMA_CMD_QUERY_ROUTE, 55 UCMA_CMD_CONNECT, 56 UCMA_CMD_LISTEN, 57 UCMA_CMD_ACCEPT, 58 UCMA_CMD_REJECT, 59 UCMA_CMD_DISCONNECT, 60 UCMA_CMD_INIT_QP_ATTR, 61 UCMA_CMD_GET_EVENT, 62 UCMA_CMD_GET_OPTION, 63 UCMA_CMD_SET_OPTION, 64 UCMA_CMD_NOTIFY, 65 UCMA_CMD_JOIN_MCAST, 66 UCMA_CMD_LEAVE_MCAST, 67 UCMA_CMD_MIGRATE_ID 68}; 69 70struct ucma_abi_cmd_hdr { 71 __u32 cmd; 72 __u16 in; 73 __u16 out; 74}; 75 76struct ucma_abi_create_id { 77 __u64 uid; 78 __u64 response; 79 __u16 ps; 80 __u8 reserved[6]; 81}; 82 83struct ucma_abi_create_id_resp { 84 __u32 id; 85}; 86 87struct ucma_abi_destroy_id { 88 __u64 response; 89 __u32 id; 90 __u32 reserved; 91}; 92 93struct ucma_abi_destroy_id_resp { 94 __u32 events_reported; 95}; 96 97struct ucma_abi_bind_addr { 98 __u64 response; 99 struct sockaddr_in6 addr; 100 __u32 id; 101}; 102 103struct ucma_abi_resolve_addr { 104 struct sockaddr_in6 src_addr; 105 struct sockaddr_in6 dst_addr; 106 __u32 id; 107 __u32 timeout_ms; 108}; 109 110struct ucma_abi_resolve_route { 111 __u32 id; 112 __u32 timeout_ms; 113}; 114 115struct ucma_abi_query_route { 116 __u64 response; 117 __u32 id; 118 __u32 reserved; 119}; 120 121struct ucma_abi_query_route_resp { 122 __u64 node_guid; 123 struct ibv_kern_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 131struct ucma_abi_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 145struct ucma_abi_ud_param { 146 __u32 qp_num; 147 __u32 qkey; 148 struct ibv_kern_ah_attr ah_attr; 149 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 150 __u8 private_data_len; 151 __u8 reserved[7]; 152 __u8 reserved2[4]; /* Round to 8-byte boundary to support 32/64 */ 153}; 154 155struct ucma_abi_connect { 156 struct ucma_abi_conn_param conn_param; 157 __u32 id; 158 __u32 reserved; 159}; 160 161struct ucma_abi_listen { 162 __u32 id; 163 __u32 backlog; 164}; 165 166struct ucma_abi_accept { 167 __u64 uid; 168 struct ucma_abi_conn_param conn_param; 169 __u32 id; 170 __u32 reserved; 171}; 172 173struct ucma_abi_reject { 174 __u32 id; 175 __u8 private_data_len; 176 __u8 reserved[3]; 177 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 178}; 179 180struct ucma_abi_disconnect { 181 __u32 id; 182}; 183 184struct ucma_abi_init_qp_attr { 185 __u64 response; 186 __u32 id; 187 __u32 qp_state; 188}; 189 190struct ucma_abi_notify { 191 __u32 id; 192 __u32 event; 193}; 194 195struct ucma_abi_join_mcast { 196 __u64 response; /* ucma_abi_create_id_resp */ 197 __u64 uid; 198 struct sockaddr_in6 addr; 199 __u32 id; 200}; 201 202struct ucma_abi_get_event { 203 __u64 response; 204}; 205 206struct ucma_abi_event_resp { 207 __u64 uid; 208 __u32 id; 209 __u32 event; 210 __u32 status; 211 union { 212 struct ucma_abi_conn_param conn; 213 struct ucma_abi_ud_param ud; 214 } param; 215}; 216 217struct ucma_abi_set_option { 218 __u64 optval; 219 __u32 id; 220 __u32 level; 221 __u32 optname; 222 __u32 optlen; 223}; 224 225struct ucma_abi_migrate_id { 226 __u64 response; 227 __u32 id; 228 __u32 fd; 229}; 230 231struct ucma_abi_migrate_resp { 232 __u32 events_reported; 233}; 234 235#endif /* RDMA_CMA_ABI_H */ 236