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1da177e4 LT |
1 | /* |
2 | * include/asm-s390/timer.h | |
3 | * | |
6d7bfd14 | 4 | * (C) Copyright IBM Corp. 2003,2006 |
1da177e4 LT |
5 | * Virtual CPU timer |
6 | * | |
7 | * Author: Jan Glauber (jang@de.ibm.com) | |
8 | */ | |
9 | ||
10 | #ifndef _ASM_S390_TIMER_H | |
11 | #define _ASM_S390_TIMER_H | |
12 | ||
6d7bfd14 JG |
13 | #ifdef __KERNEL__ |
14 | ||
1da177e4 LT |
15 | #include <linux/timer.h> |
16 | ||
17 | #define VTIMER_MAX_SLICE (0x7ffffffffffff000LL) | |
18 | ||
19 | struct vtimer_list { | |
20 | struct list_head entry; | |
21 | ||
22 | int cpu; | |
23 | __u64 expires; | |
24 | __u64 interval; | |
25 | ||
26 | spinlock_t lock; | |
27 | unsigned long magic; | |
28 | ||
9d0a57cb | 29 | void (*function)(unsigned long); |
1da177e4 LT |
30 | unsigned long data; |
31 | }; | |
32 | ||
33 | /* the offset value will wrap after ca. 71 years */ | |
34 | struct vtimer_queue { | |
35 | struct list_head list; | |
36 | spinlock_t lock; | |
37 | __u64 to_expire; /* current event expire time */ | |
38 | __u64 offset; /* list offset to zero */ | |
39 | __u64 idle; /* temp var for idle */ | |
40 | }; | |
41 | ||
42 | extern void init_virt_timer(struct vtimer_list *timer); | |
43 | extern void add_virt_timer(void *new); | |
44 | extern void add_virt_timer_periodic(void *new); | |
45 | extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires); | |
46 | extern int del_virt_timer(struct vtimer_list *timer); | |
47 | ||
2b67fc46 HC |
48 | extern void init_cpu_vtimer(void); |
49 | extern void vtime_init(void); | |
50 | ||
6d7bfd14 JG |
51 | #endif /* __KERNEL__ */ |
52 | ||
53 | #endif /* _ASM_S390_TIMER_H */ |