_IOC_TYPESHIFT     45 include/uapi/asm-generic/ioctl.h #define _IOC_SIZESHIFT	(_IOC_TYPESHIFT+_IOC_TYPEBITS)
_IOC_TYPESHIFT     67 include/uapi/asm-generic/ioctl.h 	 ((type) << _IOC_TYPESHIFT) | \
_IOC_TYPESHIFT     86 include/uapi/asm-generic/ioctl.h #define _IOC_TYPE(nr)		(((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)