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/*
* include/asm-s390/timer.h
*
* (C) Copyright IBM Corp. 2003,2006
* Virtual CPU timer
*
* Author: Jan Glauber (jang@de.ibm.com)
*/
#ifndef _ASM_S390_TIMER_H
#define _ASM_S390_TIMER_H
#ifdef __KERNEL__
#include <linux/timer.h>
#define VTIMER_MAX_SLICE (0x7ffffffffffff000LL)
struct vtimer_list {
struct list_head entry;
int cpu;
__u64 expires;
__u64 interval;
spinlock_t lock;
unsigned long magic;
void (*function)(unsigned long);
unsigned long data;
};
/* the offset value will wrap after ca. 71 years */
struct vtimer_queue {
struct list_head list;
spinlock_t lock;
__u64 to_expire; /* current event expire time */
__u64 offset; /* list offset to zero */
__u64 idle; /* temp var for idle */
};
extern void init_virt_timer(struct vtimer_list *timer);
extern void add_virt_timer(void *new);
extern void add_virt_timer_periodic(void *new);
extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires);
extern int del_virt_timer(struct vtimer_list *timer);
extern void init_cpu_vtimer(void);
extern void vtime_init(void);
extern void vtime_start_cpu_timer(void);
extern void vtime_stop_cpu_timer(void);
#endif /* __KERNEL__ */
#endif /* _ASM_S390_TIMER_H */
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