13c7a8e19SPaolo Bonzini /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 23c7a8e19SPaolo Bonzini /* bits.h: Macros for dealing with bitmasks. */ 33c7a8e19SPaolo Bonzini 43c7a8e19SPaolo Bonzini #ifndef _UAPI_LINUX_BITS_H 53c7a8e19SPaolo Bonzini #define _UAPI_LINUX_BITS_H 63c7a8e19SPaolo Bonzini 7*1e7933a5SI Hsin Cheng #define __GENMASK(h, l) (((~_UL(0)) << (l)) & (~_UL(0) >> (BITS_PER_LONG - 1 - (h)))) 83c7a8e19SPaolo Bonzini 9*1e7933a5SI Hsin Cheng #define __GENMASK_ULL(h, l) (((~_ULL(0)) << (l)) & (~_ULL(0) >> (BITS_PER_LONG_LONG - 1 - (h)))) 103c7a8e19SPaolo Bonzini 11947697c6SAnshuman Khandual #define __GENMASK_U128(h, l) \ 12947697c6SAnshuman Khandual ((_BIT128((h)) << 1) - (_BIT128(l))) 13947697c6SAnshuman Khandual 143c7a8e19SPaolo Bonzini #endif /* _UAPI_LINUX_BITS_H */ 15