drivers/staging/comedi/comedi_compat32.h

   1 /*
   2     comedi/comedi_compat32.h
   3     32-bit ioctl compatibility for 64-bit comedi kernel module.
   4
   5     Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk>
   6     Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/>
   7
   8     COMEDI - Linux Control and Measurement Device Interface
   9     Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org>
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19     GNU General Public License for more details.
  20 */
  21
  22 #ifndef _COMEDI_COMPAT32_H
  23 #define _COMEDI_COMPAT32_H
  24
  25 #ifdef CONFIG_COMPAT
  26
  27 struct file;
  28 extern long comedi_compat_ioctl(struct file *file, unsigned int cmd,
  29                                 unsigned long arg);
  30
  31 #else /* CONFIG_COMPAT */
  32
  33 #define comedi_compat_ioctl     NULL
  34
  35 #endif /* CONFIG_COMPAT */
  36
  37 #endif /* _COMEDI_COMPAT32_H */