v2.6.22.24-op1
[linux-2.6.22.y-op.git] / include / asm-s390 / timer.h
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1 /*
2 * include/asm-s390/timer.h
4 * (C) Copyright IBM Corp. 2003,2006
5 * Virtual CPU timer
7 * Author: Jan Glauber (jang@de.ibm.com)
8 */
10 #ifndef _ASM_S390_TIMER_H
11 #define _ASM_S390_TIMER_H
13 #ifdef __KERNEL__
15 #include <linux/timer.h>
17 #define VTIMER_MAX_SLICE (0x7ffffffffffff000LL)
19 struct vtimer_list {
20 struct list_head entry;
22 int cpu;
23 __u64 expires;
24 __u64 interval;
26 spinlock_t lock;
27 unsigned long magic;
29 void (*function)(unsigned long);
30 unsigned long data;
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 */
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);
48 extern void init_cpu_vtimer(void);
49 extern void vtime_init(void);
51 #endif /* __KERNEL__ */
53 #endif /* _ASM_S390_TIMER_H */