1#ifndef _ASM_GENERIC_CPUTIME_H
 2#define _ASM_GENERIC_CPUTIME_H
 3
 4#include <linux/time.h>
 5#include <linux/jiffies.h>
 6
 7typedef unsigned long cputime_t;
 8
 9#define cputime_zero			(0UL)
10#define cputime_one_jiffy		jiffies_to_cputime(1)
11#define cputime_max			((~0UL >> 1) - 1)
12#define cputime_add(__a, __b)		((__a) +  (__b))
13#define cputime_sub(__a, __b)		((__a) -  (__b))
14#define cputime_div(__a, __n)		((__a) /  (__n))
15#define cputime_halve(__a)		((__a) >> 1)
16#define cputime_eq(__a, __b)		((__a) == (__b))
17#define cputime_gt(__a, __b)		((__a) >  (__b))
18#define cputime_ge(__a, __b)		((__a) >= (__b))
19#define cputime_lt(__a, __b)		((__a) <  (__b))
20#define cputime_le(__a, __b)		((__a) <= (__b))
21#define cputime_to_jiffies(__ct)	(__ct)
22#define cputime_to_scaled(__ct)		(__ct)
23#define jiffies_to_cputime(__hz)	(__hz)
24
25typedef u64 cputime64_t;
26
27#define cputime64_zero (0ULL)
28#define cputime64_add(__a, __b)		((__a) + (__b))
29#define cputime64_sub(__a, __b)		((__a) - (__b))
30#define cputime64_to_jiffies64(__ct)	(__ct)
31#define jiffies64_to_cputime64(__jif)	(__jif)
32#define cputime_to_cputime64(__ct)	((u64) __ct)
33#define cputime64_gt(__a, __b)		((__a) >  (__b))
34
35#define nsecs_to_cputime64(__ct)	nsecs_to_jiffies64(__ct)
36
37
38/*
39 * Convert cputime to microseconds and back.
40 */
41#define cputime_to_usecs(__ct)		jiffies_to_usecs(__ct);
42#define usecs_to_cputime(__msecs)	usecs_to_jiffies(__msecs);
43
44/*
45 * Convert cputime to seconds and back.
46 */
47#define cputime_to_secs(jif)		((jif) / HZ)
48#define secs_to_cputime(sec)		((sec) * HZ)
49
50/*
51 * Convert cputime to timespec and back.
52 */
53#define timespec_to_cputime(__val)	timespec_to_jiffies(__val)
54#define cputime_to_timespec(__ct,__val)	jiffies_to_timespec(__ct,__val)
55
56/*
57 * Convert cputime to timeval and back.
58 */
59#define timeval_to_cputime(__val)	timeval_to_jiffies(__val)
60#define cputime_to_timeval(__ct,__val)	jiffies_to_timeval(__ct,__val)
61
62/*
63 * Convert cputime to clock and back.
64 */
65#define cputime_to_clock_t(__ct)	jiffies_to_clock_t(__ct)
66#define clock_t_to_cputime(__x)		clock_t_to_jiffies(__x)
67
68/*
69 * Convert cputime64 to clock.
70 */
71#define cputime64_to_clock_t(__ct)	jiffies_64_to_clock_t(__ct)
72
73#endif