1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* bits.h: Macros for dealing with bitmasks.  */
3 
4 #ifndef _UAPI_LINUX_BITS_H
5 #define _UAPI_LINUX_BITS_H
6 
7 #define __GENMASK(h, l) \
8         (((~_UL(0)) - (_UL(1) << (l)) + 1) & \
9          (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
10 
11 #define __GENMASK_ULL(h, l) \
12         (((~_ULL(0)) - (_ULL(1) << (l)) + 1) & \
13          (~_ULL(0) >> (__BITS_PER_LONG_LONG - 1 - (h))))
14 
15 #define __GENMASK_U128(h, l) \
16 	((_BIT128((h)) << 1) - (_BIT128(l)))
17 
18 #endif /* _UAPI_LINUX_BITS_H */
19