/* SPDX-License-Identifier: GPL-2.0 */#ifndef __LINUX_BITS_H#define __LINUX_BITS_H#include <asm/bitsperlong.h> #define BIT(nr)			(1UL << (nr))#define BIT_ULL(nr)		(1ULL << (nr))#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)#define BIT_ULL_MASK(nr)	(1ULL << ((nr) % BITS_PER_LONG_LONG))#define BIT_ULL_WORD(nr)	((nr) / BITS_PER_LONG_LONG)#define BITS_PER_BYTE		8 /* * Create a contiguous bitmask starting at bit position @l and ending at * position @h. For example * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. */#define GENMASK(h, l) \	(((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) #define GENMASK_ULL(h, l) \	(((~0ULL) - (1ULL << (l)) + 1) & \	 (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) #endif	/* __LINUX_BITS_H */