#ifndef HALIDE_RUNTIME_ANDROID_IOCTL_H #define HALIDE_RUNTIME_ANDROID_IOCTL_H #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) (((dir) << _IOC_DIRSHIFT) | ((type) << _IOC_TYPESHIFT) | ((nr) << _IOC_NRSHIFT) | ((size) << _IOC_SIZESHIFT)) #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) #define _IOR(type,nr,data) _IOC(_IOC_READ,(type),(nr),(sizeof(data))) #define _IOW(type,nr,data) _IOC(_IOC_WRITE,(type),(nr),(sizeof(data))) #define _IOWR(type,nr,data) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(sizeof(data))) #define _IOR_BAD(type,nr,data) _IOC(_IOC_READ,(type),(nr),sizeof(data)) #define _IOW_BAD(type,nr,data) _IOC(_IOC_WRITE,(type),(nr),sizeof(data)) #define _IOWR_BAD(type,nr,data) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(data)) #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) #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