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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/asm-generic/cputime.h
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#ifndef _ASM_GENERIC_CPUTIME_H

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#define _ASM_GENERIC_CPUTIME_H

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#include <linux/time.h>

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#include <linux/jiffies.h>

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typedef unsigned long cputime_t;

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#define cputime_zero			(0UL)

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#define cputime_one_jiffy		jiffies_to_cputime(1)

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#define cputime_max			((~0UL >> 1) - 1)

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#define cputime_add(__a, __b)		((__a) +  (__b))

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#define cputime_sub(__a, __b)		((__a) -  (__b))

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#define cputime_div(__a, __n)		((__a) /  (__n))

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#define cputime_halve(__a)		((__a) >> 1)

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#define cputime_eq(__a, __b)		((__a) == (__b))

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#define cputime_gt(__a, __b)		((__a) >  (__b))

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#define cputime_ge(__a, __b)		((__a) >= (__b))

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#define cputime_lt(__a, __b)		((__a) <  (__b))

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#define cputime_le(__a, __b)		((__a) <= (__b))

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#define cputime_to_jiffies(__ct)	(__ct)

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#define cputime_to_scaled(__ct)		(__ct)

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#define jiffies_to_cputime(__hz)	(__hz)

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typedef u64 cputime64_t;

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#define cputime64_zero (0ULL)

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#define cputime64_add(__a, __b)		((__a) + (__b))

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#define cputime64_sub(__a, __b)		((__a) - (__b))

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#define cputime64_to_jiffies64(__ct)	(__ct)

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#define jiffies64_to_cputime64(__jif)	(__jif)

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#define cputime_to_cputime64(__ct)	((u64) __ct)

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#define cputime64_gt(__a, __b)		((__a) >  (__b))

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#define nsecs_to_cputime64(__ct)	nsecs_to_jiffies64(__ct)

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/*

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 * Convert cputime to microseconds and back.

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 */

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#define cputime_to_usecs(__ct)		jiffies_to_usecs(__ct);

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#define usecs_to_cputime(__msecs)	usecs_to_jiffies(__msecs);

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/*

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 * Convert cputime to seconds and back.

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 */

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#define cputime_to_secs(jif)		((jif) / HZ)

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#define secs_to_cputime(sec)		((sec) * HZ)

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/*

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 * Convert cputime to timespec and back.

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 */

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#define timespec_to_cputime(__val)	timespec_to_jiffies(__val)

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#define cputime_to_timespec(__ct,__val)	jiffies_to_timespec(__ct,__val)

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/*

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 * Convert cputime to timeval and back.

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 */

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#define timeval_to_cputime(__val)	timeval_to_jiffies(__val)

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#define cputime_to_timeval(__ct,__val)	jiffies_to_timeval(__ct,__val)

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/*

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 * Convert cputime to clock and back.

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 */

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#define cputime_to_clock_t(__ct)	jiffies_to_clock_t(__ct)

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#define clock_t_to_cputime(__x)		clock_t_to_jiffies(__x)

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/*

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 * Convert cputime64 to clock.

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 */

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#define cputime64_to_clock_t(__ct)	jiffies_64_to_clock_t(__ct)

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#endif

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