text: #ifndef _HFI1_USER_EXP_RCV_H
  #define _HFI1_USER_EXP_RCV_H
  /*
   * Copyright(c) 2015, 2016 Intel Corporation.
   *
   * This file is provided under a dual BSD/GPLv2 license.  When using or
   * redistributing this file, you may do so under either license.
   *
   * GPL LICENSE SUMMARY
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of version 2 of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * BSD LICENSE
   *
   * 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.
   *  - Neither the name of Intel Corporation nor the names of its
   *    contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  
  #include "hfi.h"
  
  #define EXP_TID_TIDLEN_MASK   0x7FFULL
  #define EXP_TID_TIDLEN_SHIFT  0
  #define EXP_TID_TIDCTRL_MASK  0x3ULL
  #define EXP_TID_TIDCTRL_SHIFT 20
  #define EXP_TID_TIDIDX_MASK   0x3FFULL
  #define EXP_TID_TIDIDX_SHIFT  22
  #define EXP_TID_GET(tid, field)	\
  	(((tid) >> EXP_TID_TID##field##_SHIFT) & EXP_TID_TID##field##_MASK)
  
  #define EXP_TID_SET(field, value)			\
  	(((value) & EXP_TID_TID##field##_MASK) <<	\
  	 EXP_TID_TID##field##_SHIFT)
  #define EXP_TID_CLEAR(tid, field) ({					\
  		(tid) &= ~(EXP_TID_TID##field##_MASK <<			\
  			   EXP_TID_TID##field##_SHIFT);			\
  		})
  #define EXP_TID_RESET(tid, field, value) do {				\
  		EXP_TID_CLEAR(tid, field);				\
  		(tid) |= EXP_TID_SET(field, (value));			\
  	} while (0)
  
  void hfi1_user_exp_rcv_grp_free(struct hfi1_ctxtdata *uctxt);
  int hfi1_user_exp_rcv_init(struct file *);
  int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
  int hfi1_user_exp_rcv_setup(struct file *, struct hfi1_tid_info *);
  int hfi1_user_exp_rcv_clear(struct file *, struct hfi1_tid_info *);
  int hfi1_user_exp_rcv_invalid(struct file *, struct hfi1_tid_info *);
  
  #endif /* _HFI1_USER_EXP_RCV_H */
  