/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* const.h: Macros for dealing with constants.  */ #ifndef _UAPI_LINUX_CONST_H#define _UAPI_LINUX_CONST_H /* Some constant macros are used in both assembler and * C code.  Therefore we cannot annotate them always with * 'UL' and other type specifiers unilaterally.  We * use the following macros to deal with this. * * Similarly, _AT() will cast an expression with a type in C, but * leave it unchanged in asm. */ #ifdef __ASSEMBLY__#define _AC(X,Y)	X#define _AT(T,X)	X#else#define __AC(X,Y)	(X##Y)#define _AC(X,Y)	__AC(X,Y)#define _AT(T,X)	((T)(X))#endif #define _UL(x)		(_AC(x, UL))#define _ULL(x)		(_AC(x, ULL)) #define _BITUL(x)	(_UL(1) << (x))#define _BITULL(x)	(_ULL(1) << (x)) #define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask)) #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) #endif /* _UAPI_LINUX_CONST_H */