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