| /* |
| * This file is auto-generated. Modifications will be lost. |
| * |
| * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| * for more information. |
| */ |
| #ifndef _UAPI_ASM_GENERIC_IOCTL_H |
| #define _UAPI_ASM_GENERIC_IOCTL_H |
| #define _IOC_NRBITS 8 |
| #define _IOC_TYPEBITS 8 |
| #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) |
| #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)) |
| #define _IOC_TYPECHECK(t) (sizeof(t)) |
| #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)) |
| #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 |