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kernel/linux-rt-4.4.41/drivers/infiniband/core/iwcm.h 2.29 KB
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  /*
   * Copyright (c) 2005 Network Appliance, Inc. All rights reserved.
   * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
   *
   * This software is available to you under a choice of one of two
   * licenses.  You may choose to be licensed under the terms of the GNU
   * General Public License (GPL) Version 2, available from the file
   * COPYING in the main directory of this source tree, or the
   * OpenIB.org BSD license below:
   *
   *     Redistribution and use in source and binary forms, with or
   *     without modification, are permitted provided that the following
   *     conditions are met:
   *
   *      - Redistributions of source code must retain the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer.
   *
   *      - Redistributions in binary form must reproduce the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer in the documentation and/or other materials
   *        provided with the distribution.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  #ifndef IWCM_H
  #define IWCM_H
  
  enum iw_cm_state {
  	IW_CM_STATE_IDLE,             /* unbound, inactive */
  	IW_CM_STATE_LISTEN,           /* listen waiting for connect */
  	IW_CM_STATE_CONN_RECV,        /* inbound waiting for user accept */
  	IW_CM_STATE_CONN_SENT,        /* outbound waiting for peer accept */
  	IW_CM_STATE_ESTABLISHED,      /* established */
  	IW_CM_STATE_CLOSING,	      /* disconnect */
  	IW_CM_STATE_DESTROYING        /* object being deleted */
  };
  
  struct iwcm_id_private {
  	struct iw_cm_id	id;
  	enum iw_cm_state state;
  	unsigned long flags;
  	struct ib_qp *qp;
  	struct completion destroy_comp;
  	wait_queue_head_t connect_wait;
  	struct list_head work_list;
  	spinlock_t lock;
  	atomic_t refcount;
  	struct list_head work_free_list;
  };
  
  #define IWCM_F_CALLBACK_DESTROY   1
  #define IWCM_F_CONNECT_WAIT       2
  
  #endif /* IWCM_H */