2 * include/asm-s390/timer.h
4 * (C) Copyright IBM Corp. 2003,2006
7 * Author: Jan Glauber (jang@de.ibm.com)
10 #ifndef _ASM_S390_TIMER_H
11 #define _ASM_S390_TIMER_H
15 #include <linux/timer.h>
17 #define VTIMER_MAX_SLICE (0x7ffffffffffff000LL)
20 struct list_head entry;
29 void (*function)(unsigned long);
33 /* the offset value will wrap after ca. 71 years */
35 struct list_head list;
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 #ifdef CONFIG_VIRT_TIMER
53 extern void vtime_start_cpu_timer(void);
54 extern void vtime_stop_cpu_timer(void);
58 static inline void vtime_start_cpu_timer(void) { }
59 static inline void vtime_stop_cpu_timer(void) { }
61 #endif /* CONFIG_VIRT_TIMER */
63 #endif /* __KERNEL__ */
65 #endif /* _ASM_S390_TIMER_H */