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