LXR linux/include/asm-s390/timer.h

   1/*
   2 *  include/asm-s390/timer.h
   3 *
   4 *  (C) Copyright IBM Corp. 2003,2006
   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
  13#ifdef __KERNEL__
  14
  15#include <linux/timer.h>
  16
  17#define VTIMER_MAX_SLICE (0x7ffffffffffff000LL)
  18
  19struct 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
  29        void (*function)(unsigned long);
  30        unsigned long data;
  31};
  32
  33/* the offset value will wrap after ca. 71 years */
  34struct 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
  42extern void init_virt_timer(struct vtimer_list *timer);
  43extern void add_virt_timer(void *new);
  44extern void add_virt_timer_periodic(void *new);
  45extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires);
  46extern int del_virt_timer(struct vtimer_list *timer);
  47
  48extern void init_cpu_vtimer(void);
  49extern void vtime_init(void);
  50
  51#endif /* __KERNEL__ */
  52
  53#endif /* _ASM_S390_TIMER_H */
  54