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 __nocast cputime_t;
8
9#define cputime_one_jiffy		jiffies_to_cputime(1)
10#define cputime_to_jiffies(__ct)	(__force unsigned long)(__ct)
11#define cputime_to_scaled(__ct)		(__ct)
12#define jiffies_to_cputime(__hz)	(__force cputime_t)(__hz)
13
14typedef u64 __nocast cputime64_t;
15
16#define cputime64_to_jiffies64(__ct)	(__force u64)(__ct)
17#define jiffies64_to_cputime64(__jif)	(__force cputime64_t)(__jif)
18
19#define nsecs_to_cputime64(__ct)	\
20	jiffies64_to_cputime64(nsecs_to_jiffies64(__ct))
21
22
23/*
24 * Convert cputime to microseconds and back.
25 */
26#define cputime_to_usecs(__ct)		\
27	jiffies_to_usecs(cputime_to_jiffies(__ct))
28#define usecs_to_cputime(__usec)	\
29	jiffies_to_cputime(usecs_to_jiffies(__usec))
30#define usecs_to_cputime64(__usec)	\
31	jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
32
33/*
34 * Convert cputime to seconds and back.
35 */
36#define cputime_to_secs(jif)		(cputime_to_jiffies(jif) / HZ)
37#define secs_to_cputime(sec)		jiffies_to_cputime((sec) * HZ)
38
39/*
40 * Convert cputime to timespec and back.
41 */
42#define timespec_to_cputime(__val)	\
43	jiffies_to_cputime(timespec_to_jiffies(__val))
44#define cputime_to_timespec(__ct,__val)	\
45	jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
46
47/*
48 * Convert cputime to timeval and back.
49 */
50#define timeval_to_cputime(__val)	\
51	jiffies_to_cputime(timeval_to_jiffies(__val))
52#define cputime_to_timeval(__ct,__val)	\
53	jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
54
55/*
56 * Convert cputime to clock and back.
57 */
58#define cputime_to_clock_t(__ct)	\
59	jiffies_to_clock_t(cputime_to_jiffies(__ct))
60#define clock_t_to_cputime(__x)		\
61	jiffies_to_cputime(clock_t_to_jiffies(__x))
62
63/*
64 * Convert cputime64 to clock.
65 */
66#define cputime64_to_clock_t(__ct)	\
67	jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
68
69#endif
70