2  * Copyright (c) 2005-2006 Intel Corporation.  All rights reserved.
 
   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:
 
  10  *     Redistribution and use in source and binary forms, with or
 
  11  *     without modification, are permitted provided that the following
 
  14  *      - Redistributions of source code must retain the above
 
  15  *        copyright notice, this list of conditions and the following
 
  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.
 
  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
 
  33 #ifndef RDMA_USER_CM_H
 
  34 #define RDMA_USER_CM_H
 
  36 #include <linux/types.h>
 
  37 #include <linux/in6.h>
 
  38 #include <rdma/ib_user_verbs.h>
 
  39 #include <rdma/ib_user_sa.h>
 
  41 #define RDMA_USER_CM_ABI_VERSION        4
 
  43 #define RDMA_MAX_PRIVATE_DATA           256
 
  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
 
  68  * command ABI structures.
 
  70 struct rdma_ucm_cmd_hdr {
 
  76 struct rdma_ucm_create_id {
 
  83 struct rdma_ucm_create_id_resp {
 
  87 struct rdma_ucm_destroy_id {
 
  93 struct rdma_ucm_destroy_id_resp {
 
  94         __u32 events_reported;
 
  97 struct rdma_ucm_bind_addr {
 
  99         struct sockaddr_in6 addr;
 
 103 struct rdma_ucm_resolve_addr {
 
 104         struct sockaddr_in6 src_addr;
 
 105         struct sockaddr_in6 dst_addr;
 
 110 struct rdma_ucm_resolve_route {
 
 115 struct rdma_ucm_query_route {
 
 121 struct rdma_ucm_query_route_resp {
 
 123         struct ib_user_path_rec ib_route[2];
 
 124         struct sockaddr_in6 src_addr;
 
 125         struct sockaddr_in6 dst_addr;
 
 131 struct rdma_ucm_conn_param {
 
 134         __u8  private_data[RDMA_MAX_PRIVATE_DATA];
 
 135         __u8  private_data_len;
 
 137         __u8  responder_resources;
 
 138         __u8  initiator_depth;
 
 141         __u8  rnr_retry_count;
 
 145 struct rdma_ucm_ud_param {
 
 148         struct ib_uverbs_ah_attr ah_attr;
 
 149         __u8  private_data[RDMA_MAX_PRIVATE_DATA];
 
 150         __u8  private_data_len;
 
 154 struct rdma_ucm_connect {
 
 155         struct rdma_ucm_conn_param conn_param;
 
 160 struct rdma_ucm_listen {
 
 165 struct rdma_ucm_accept {
 
 167         struct rdma_ucm_conn_param conn_param;
 
 172 struct rdma_ucm_reject {
 
 174         __u8  private_data_len;
 
 176         __u8  private_data[RDMA_MAX_PRIVATE_DATA];
 
 179 struct rdma_ucm_disconnect {
 
 183 struct rdma_ucm_init_qp_attr {
 
 189 struct rdma_ucm_notify {
 
 194 struct rdma_ucm_join_mcast {
 
 195         __u64 response;         /* rdma_ucm_create_id_resp */
 
 197         struct sockaddr_in6 addr;
 
 201 struct rdma_ucm_get_event {
 
 205 struct rdma_ucm_event_resp {
 
 211                 struct rdma_ucm_conn_param conn;
 
 212                 struct rdma_ucm_ud_param   ud;
 
 223         RDMA_OPTION_ID_TOS      = 0
 
 226 struct rdma_ucm_set_option {
 
 234 struct rdma_ucm_migrate_id {
 
 240 struct rdma_ucm_migrate_resp {
 
 241         __u32 events_reported;
 
 244 #endif /* RDMA_USER_CM_H */