Differential D25979 Diff 75573 head/sys/cddl/contrib/opensolaris/uts/common/sys/sysmacros.h

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head/sys/cddl/contrib/opensolaris/uts/common/sys/sysmacros.h

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	#endif			#endif

	/*			/*
	* Some macros for units conversion			* Some macros for units conversion
	*/			*/
	/*			/*
	* Disk blocks (sectors) and bytes.			* Disk blocks (sectors) and bytes.
	*/			*/
				#ifndef dtob
	#define dtob(DD) ((DD) << DEV_BSHIFT)			#define dtob(DD) ((DD) << DEV_BSHIFT)
				#endif
				#ifndef btod
	#define btod(BB) (((BB) + DEV_BSIZE - 1) >> DEV_BSHIFT)			#define btod(BB) (((BB) + DEV_BSIZE - 1) >> DEV_BSHIFT)
				#endif
	#define btodt(BB) ((BB) >> DEV_BSHIFT)			#define btodt(BB) ((BB) >> DEV_BSHIFT)
	#define lbtod(BB) (((offset_t)(BB) + DEV_BSIZE - 1) >> DEV_BSHIFT)			#define lbtod(BB) (((offset_t)(BB) + DEV_BSIZE - 1) >> DEV_BSHIFT)

	/* common macros */			/* common macros */
	#ifndef MIN			#ifndef MIN
	#define MIN(a, b) ((a) < (b) ? (a) : (b))			#define MIN(a, b) ((a) < (b) ? (a) : (b))
	#endif			#endif
	#ifndef MAX			#ifndef MAX
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	/*			/*
	* Macro for checking power of 2 address alignment.			* Macro for checking power of 2 address alignment.
	*/			*/
	#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)			#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)

	/*			/*
	* Macros for counting and rounding.			* Macros for counting and rounding.
	*/			*/
				#ifndef howmany
	#define howmany(x, y) (((x)+((y)-1))/(y))			#define howmany(x, y) (((x)+((y)-1))/(y))
				#endif
				#ifndef roundup
	#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))			#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
				#endif
	/*			/*
	* Macro to determine if value is a power of 2			* Macro to determine if value is a power of 2
	*/			*/
	#define ISP2(x) (((x) & ((x) - 1)) == 0)			#define ISP2(x) (((x) & ((x) - 1)) == 0)

	/*			/*
	* Macros for various sorts of alignment and rounding. The "align" must			* Macros for various sorts of alignment and rounding. The "align" must
	* be a power of 2. Often times it is a block, sector, or page.			* be a power of 2. Often times it is a block, sector, or page.
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