diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_compat32.h')
| -rw-r--r-- | drivers/staging/comedi/comedi_compat32.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedi_compat32.h b/drivers/staging/comedi/comedi_compat32.h new file mode 100644 index 000000000000..0ca01642c165 --- /dev/null +++ b/drivers/staging/comedi/comedi_compat32.h @@ -0,0 +1,58 @@ +/* + comedi/comedi_compat32.h + 32-bit ioctl compatibility for 64-bit comedi kernel module. + + Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk> + Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/> + + COMEDI - Linux Control and Measurement Device Interface + Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef _COMEDI_COMPAT32_H +#define _COMEDI_COMPAT32_H + +#include <linux/compat.h> +#include <linux/fs.h> /* For HAVE_COMPAT_IOCTL and HAVE_UNLOCKED_IOCTL */ + +#ifdef CONFIG_COMPAT + +#ifdef HAVE_COMPAT_IOCTL + +extern long comedi_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg); +#define comedi_register_ioctl32() do {} while (0) +#define comedi_unregister_ioctl32() do {} while (0) + +#else /* HAVE_COMPAT_IOCTL */ + +#define comedi_compat_ioctl 0 /* NULL */ +extern void comedi_register_ioctl32(void); +extern void comedi_unregister_ioctl32(void); + +#endif /* HAVE_COMPAT_IOCTL */ + +#else /* CONFIG_COMPAT */ + +#define comedi_compat_ioctl 0 /* NULL */ +#define comedi_register_ioctl32() do {} while (0) +#define comedi_unregister_ioctl32() do {} while (0) + +#endif /* CONFIG_COMPAT */ + +#endif /* _COMEDI_COMPAT32_H */ |