drivers/infiniband/core/iwcm.h

   1 /*
   2  * Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
   3  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33 #ifndef IWCM_H
  34 #define IWCM_H
  35
  36 enum iw_cm_state {
  37         IW_CM_STATE_IDLE,             /* unbound, inactive */
  38         IW_CM_STATE_LISTEN,           /* listen waiting for connect */
  39         IW_CM_STATE_CONN_RECV,        /* inbound waiting for user accept */
  40         IW_CM_STATE_CONN_SENT,        /* outbound waiting for peer accept */
  41         IW_CM_STATE_ESTABLISHED,      /* established */
  42         IW_CM_STATE_CLOSING,          /* disconnect */
  43         IW_CM_STATE_DESTROYING        /* object being deleted */
  44 };
  45
  46 struct iwcm_id_private {
  47         struct iw_cm_id id;
  48         enum iw_cm_state state;
  49         unsigned long flags;
  50         struct ib_qp *qp;
  51         struct completion destroy_comp;
  52         wait_queue_head_t connect_wait;
  53         struct list_head work_list;
  54         spinlock_t lock;
  55         atomic_t refcount;
  56         struct list_head work_free_list;
  57 };
  58
  59 #define IWCM_F_CALLBACK_DESTROY   1
  60 #define IWCM_F_CONNECT_WAIT       2
  61
  62 #endif /* IWCM_H */