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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * include/asm-s390/timer.h
3 *
4 * (C) Copyright IBM Corp. 2003
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#include <linux/timer.h>
14
15#define VTIMER_MAX_SLICE (0x7ffffffffffff000LL)
16
17struct vtimer_list {
18 struct list_head entry;
19
20 int cpu;
21 __u64 expires;
22 __u64 interval;
23
24 spinlock_t lock;
25 unsigned long magic;
26
27 void (*function)(unsigned long, struct pt_regs*);
28 unsigned long data;
29};
30
31/* the offset value will wrap after ca. 71 years */
32struct vtimer_queue {
33 struct list_head list;
34 spinlock_t lock;
35 __u64 to_expire; /* current event expire time */
36 __u64 offset; /* list offset to zero */
37 __u64 idle; /* temp var for idle */
38};
39
40extern void init_virt_timer(struct vtimer_list *timer);
41extern void add_virt_timer(void *new);
42extern void add_virt_timer_periodic(void *new);
43extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires);
44extern int del_virt_timer(struct vtimer_list *timer);
45
46#endif