android_ioctl.h File Reference

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Macros
#define	_IOC_NRBITS   8
#define	_IOC_TYPEBITS   8
#define	_IOC_SIZEBITS   14
#define	_IOC_DIRBITS   2
#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)
#define	_IOC_NONE   0U
#define	_IOC_WRITE   1U
#define	_IOC_READ   2U
#define	_IOC(dir, type, nr, size)
#define	_IO(type, nr)
#define	_IOR(type, nr, data)
#define	_IOW(type, nr, data)
#define	_IOWR(type, nr, data)
#define	_IOR_BAD(type, nr, data)
#define	_IOW_BAD(type, nr, data)
#define	_IOWR_BAD(type, nr, data)
#define	_IOC_DIR(nr)
#define	_IOC_TYPE(nr)
#define	_IOC_NR(nr)
#define	_IOC_SIZE(nr)
#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)

Macro Definition Documentation

_IOC_NRBITS

#define _IOC_NRBITS   8

Definition at line 4 of file android_ioctl.h.

_IOC_TYPEBITS

#define _IOC_TYPEBITS   8

Definition at line 5 of file android_ioctl.h.

_IOC_SIZEBITS

#define _IOC_SIZEBITS   14

Definition at line 6 of file android_ioctl.h.

_IOC_DIRBITS

#define _IOC_DIRBITS   2

Definition at line 7 of file android_ioctl.h.

_IOC_NRMASK

#define _IOC_NRMASK   ((1 << _IOC_NRBITS) - 1)

Definition at line 9 of file android_ioctl.h.

_IOC_TYPEMASK

#define _IOC_TYPEMASK   ((1 << _IOC_TYPEBITS) - 1)

Definition at line 10 of file android_ioctl.h.

_IOC_SIZEMASK

#define _IOC_SIZEMASK   ((1 << _IOC_SIZEBITS) - 1)

Definition at line 11 of file android_ioctl.h.

_IOC_DIRMASK

#define _IOC_DIRMASK   ((1 << _IOC_DIRBITS) - 1)

Definition at line 12 of file android_ioctl.h.

_IOC_NRSHIFT

#define _IOC_NRSHIFT   0

Definition at line 14 of file android_ioctl.h.

_IOC_TYPESHIFT

#define _IOC_TYPESHIFT   (_IOC_NRSHIFT + _IOC_NRBITS)

Definition at line 15 of file android_ioctl.h.

_IOC_SIZESHIFT

#define _IOC_SIZESHIFT   (_IOC_TYPESHIFT + _IOC_TYPEBITS)

Definition at line 16 of file android_ioctl.h.

_IOC_DIRSHIFT

#define _IOC_DIRSHIFT   (_IOC_SIZESHIFT + _IOC_SIZEBITS)

Definition at line 17 of file android_ioctl.h.

_IOC_NONE

#define _IOC_NONE   0U

Definition at line 19 of file android_ioctl.h.

_IOC_WRITE

#define _IOC_WRITE   1U

Definition at line 20 of file android_ioctl.h.

_IOC_READ

#define _IOC_READ   2U

Definition at line 21 of file android_ioctl.h.

_IOC

#define _IOC	(		dir,
			type,
			nr,
			size )

Value:

(((dir) << _IOC_DIRSHIFT) | ((type) << _IOC_TYPESHIFT) | ((nr) << _IOC_NRSHIFT) | ((size) << _IOC_SIZESHIFT))

Definition at line 23 of file android_ioctl.h.

_IO

#define _IO	(		type,
			nr )

Value:

_IOC(_IOC_NONE, (type), (nr), 0)

Definition at line 25 of file android_ioctl.h.

_IOR

#define _IOR	(		type,
			nr,
			data )

Value:

_IOC(_IOC_READ, (type), (nr), (sizeof(data)))

Definition at line 26 of file android_ioctl.h.

_IOW

#define _IOW	(		type,
			nr,
			data )

Value:

_IOC(_IOC_WRITE, (type), (nr), (sizeof(data)))

Definition at line 27 of file android_ioctl.h.

_IOWR

#define _IOWR	(		type,
			nr,
			data )

Value:

_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), (sizeof(data)))

Definition at line 28 of file android_ioctl.h.

_IOR_BAD

#define _IOR_BAD	(		type,
			nr,
			data )

Value:

_IOC(_IOC_READ, (type), (nr), sizeof(data))

Definition at line 30 of file android_ioctl.h.

_IOW_BAD

#define _IOW_BAD	(		type,
			nr,
			data )

Value:

_IOC(_IOC_WRITE, (type), (nr), sizeof(data))

Definition at line 31 of file android_ioctl.h.

_IOWR_BAD

#define _IOWR_BAD	(		type,
			nr,
			data )

Value:

_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), sizeof(data))

Definition at line 32 of file android_ioctl.h.

_IOC_DIR

#define _IOC_DIR

(

nr

)

Value:

(((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)

Definition at line 34 of file android_ioctl.h.

_IOC_TYPE

#define _IOC_TYPE

(

nr

)

Value:

(((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)

Definition at line 35 of file android_ioctl.h.

_IOC_NR

#define _IOC_NR

(

nr

)

Value:

(((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)

Definition at line 36 of file android_ioctl.h.

_IOC_SIZE

#define _IOC_SIZE

(

nr

)

Value:

(((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)

Definition at line 37 of file android_ioctl.h.

IOC_IN

#define IOC_IN   (_IOC_WRITE << _IOC_DIRSHIFT)

Definition at line 39 of file android_ioctl.h.

IOC_OUT

#define IOC_OUT   (_IOC_READ << _IOC_DIRSHIFT)

Definition at line 40 of file android_ioctl.h.

IOC_INOUT

#define IOC_INOUT   ((_IOC_WRITE | _IOC_READ) << _IOC_DIRSHIFT)

Definition at line 41 of file android_ioctl.h.

IOCSIZE_MASK

#define IOCSIZE_MASK   (_IOC_SIZEMASK << _IOC_SIZESHIFT)

Definition at line 42 of file android_ioctl.h.

IOCSIZE_SHIFT

#define IOCSIZE_SHIFT   (_IOC_SIZESHIFT)

Definition at line 43 of file android_ioctl.h.