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authorDavid Howells <dhowells@redhat.com>2012-10-04 18:20:15 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-04 18:20:15 +0100
commit8a1ab3155c2ac7fbe5f2038d6e26efeb607a1498 (patch)
tree42ef93e164b8b2a01adab30db4b33f370f4280d7 /include/asm-generic/ioctl.h
parentf3dfd599af993385b40fc7a1c947afc12729bc4d (diff)
downloadlinux-8a1ab3155c2ac7fbe5f2038d6e26efeb607a1498.tar.gz
UAPI: (Scripted) Disintegrate include/asm-generic
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/asm-generic/ioctl.h')
-rw-r--r--include/asm-generic/ioctl.h95
1 files changed, 1 insertions, 94 deletions
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h
index 15828b2d663c..d17295b290fa 100644
--- a/include/asm-generic/ioctl.h
+++ b/include/asm-generic/ioctl.h
@@ -1,105 +1,12 @@
 #ifndef _ASM_GENERIC_IOCTL_H
 #define _ASM_GENERIC_IOCTL_H
 
-/* ioctl command encoding: 32 bits total, command in lower 16 bits,
- * size of the parameter structure in the lower 14 bits of the
- * upper 16 bits.
- * Encoding the size of the parameter structure in the ioctl request
- * is useful for catching programs compiled with old versions
- * and to avoid overwriting user space outside the user buffer area.
- * The highest 2 bits are reserved for indicating the ``access mode''.
- * NOTE: This limits the max parameter size to 16kB -1 !
- */
+#include <uapi/asm-generic/ioctl.h>
 
-/*
- * The following is for compatibility across the various Linux
- * platforms.  The generic ioctl numbering scheme doesn't really enforce
- * a type field.  De facto, however, the top 8 bits of the lower 16
- * bits are indeed used as a type field, so we might just as well make
- * this explicit here.  Please be sure to use the decoding macros
- * below from now on.
- */
-#define _IOC_NRBITS	8
-#define _IOC_TYPEBITS	8
-
-/*
- * Let any architecture override either of the following before
- * including this file.
- */
-
-#ifndef _IOC_SIZEBITS
-# define _IOC_SIZEBITS	14
-#endif
-
-#ifndef _IOC_DIRBITS
-# define _IOC_DIRBITS	2
-#endif
-
-#define _IOC_NRMASK	((1 << _IOC_NRBITS)-1)
-#define _IOC_TYPEMASK	((1 << _IOC_TYPEBITS)-1)
-#define _IOC_SIZEMASK	((1 << _IOC_SIZEBITS)-1)
-#define _IOC_DIRMASK	((1 << _IOC_DIRBITS)-1)
-
-#define _IOC_NRSHIFT	0
-#define _IOC_TYPESHIFT	(_IOC_NRSHIFT+_IOC_NRBITS)
-#define _IOC_SIZESHIFT	(_IOC_TYPESHIFT+_IOC_TYPEBITS)
-#define _IOC_DIRSHIFT	(_IOC_SIZESHIFT+_IOC_SIZEBITS)
-
-/*
- * Direction bits, which any architecture can choose to override
- * before including this file.
- */
-
-#ifndef _IOC_NONE
-# define _IOC_NONE	0U
-#endif
-
-#ifndef _IOC_WRITE
-# define _IOC_WRITE	1U
-#endif
-
-#ifndef _IOC_READ
-# define _IOC_READ	2U
-#endif
-
-#define _IOC(dir,type,nr,size) \
-	(((dir)  << _IOC_DIRSHIFT) | \
-	 ((type) << _IOC_TYPESHIFT) | \
-	 ((nr)   << _IOC_NRSHIFT) | \
-	 ((size) << _IOC_SIZESHIFT))
-
-#ifdef __KERNEL__
 /* provoke compile error for invalid uses of size argument */
 extern unsigned int __invalid_size_argument_for_IOC;
 #define _IOC_TYPECHECK(t) \
 	((sizeof(t) == sizeof(t[1]) && \
 	  sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
 	  sizeof(t) : __invalid_size_argument_for_IOC)
-#else
-#define _IOC_TYPECHECK(t) (sizeof(t))
-#endif
-
-/* used to create numbers */
-#define _IO(type,nr)		_IOC(_IOC_NONE,(type),(nr),0)
-#define _IOR(type,nr,size)	_IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOW(type,nr,size)	_IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOWR(type,nr,size)	_IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
-#define _IOR_BAD(type,nr,size)	_IOC(_IOC_READ,(type),(nr),sizeof(size))
-#define _IOW_BAD(type,nr,size)	_IOC(_IOC_WRITE,(type),(nr),sizeof(size))
-#define _IOWR_BAD(type,nr,size)	_IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
-
-/* used to decode ioctl numbers.. */
-#define _IOC_DIR(nr)		(((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
-#define _IOC_TYPE(nr)		(((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
-#define _IOC_NR(nr)		(((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
-#define _IOC_SIZE(nr)		(((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
-
-/* ...and for the drivers/sound files... */
-
-#define IOC_IN		(_IOC_WRITE << _IOC_DIRSHIFT)
-#define IOC_OUT		(_IOC_READ << _IOC_DIRSHIFT)
-#define IOC_INOUT	((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
-#define IOCSIZE_MASK	(_IOC_SIZEMASK << _IOC_SIZESHIFT)
-#define IOCSIZE_SHIFT	(_IOC_SIZESHIFT)
-
 #endif /* _ASM_GENERIC_IOCTL_H */