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1 #ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
2 #define _ASM_GENERIC_CPUTIME_JIFFIES_H
3 
4 typedef unsigned long __nocast cputime_t;
5 
6 #define cmpxchg_cputime(ptr, old, new) cmpxchg(ptr, old, new)
7 
8 #define cputime_one_jiffy		jiffies_to_cputime(1)
9 #define cputime_to_jiffies(__ct)	(__force unsigned long)(__ct)
10 #define cputime_to_scaled(__ct)		(__ct)
11 #define jiffies_to_cputime(__hz)	(__force cputime_t)(__hz)
12 
13 typedef u64 __nocast cputime64_t;
14 
15 #define cputime64_to_jiffies64(__ct)	(__force u64)(__ct)
16 #define jiffies64_to_cputime64(__jif)	(__force cputime64_t)(__jif)
17 
18 
19 /*
20  * Convert nanoseconds <-> cputime
21  */
22 #define cputime_to_nsecs(__ct)		\
23 	jiffies_to_nsecs(cputime_to_jiffies(__ct))
24 #define nsecs_to_cputime64(__nsec)	\
25 	jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
26 #define nsecs_to_cputime(__nsec)	\
27 	jiffies_to_cputime(nsecs_to_jiffies(__nsec))
28 
29 
30 /*
31  * Convert cputime to microseconds and back.
32  */
33 #define cputime_to_usecs(__ct)		\
34 	jiffies_to_usecs(cputime_to_jiffies(__ct))
35 #define usecs_to_cputime(__usec)	\
36 	jiffies_to_cputime(usecs_to_jiffies(__usec))
37 #define usecs_to_cputime64(__usec)	\
38 	jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
39 
40 /*
41  * Convert cputime to seconds and back.
42  */
43 #define cputime_to_secs(jif)		(cputime_to_jiffies(jif) / HZ)
44 #define secs_to_cputime(sec)		jiffies_to_cputime((sec) * HZ)
45 
46 /*
47  * Convert cputime to timespec and back.
48  */
49 #define timespec_to_cputime(__val)	\
50 	jiffies_to_cputime(timespec_to_jiffies(__val))
51 #define cputime_to_timespec(__ct,__val)	\
52 	jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
53 
54 /*
55  * Convert cputime to timeval and back.
56  */
57 #define timeval_to_cputime(__val)	\
58 	jiffies_to_cputime(timeval_to_jiffies(__val))
59 #define cputime_to_timeval(__ct,__val)	\
60 	jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
61 
62 /*
63  * Convert cputime to clock and back.
64  */
65 #define cputime_to_clock_t(__ct)	\
66 	jiffies_to_clock_t(cputime_to_jiffies(__ct))
67 #define clock_t_to_cputime(__x)		\
68 	jiffies_to_cputime(clock_t_to_jiffies(__x))
69 
70 /*
71  * Convert cputime64 to clock.
72  */
73 #define cputime64_to_clock_t(__ct)	\
74 	jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
75 
76 #endif
77