Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#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 void (*function)(unsigned long);
25 unsigned long data;
26};
27
28/* the vtimer value will wrap after ca. 71 years */
29struct vtimer_queue {
30 struct list_head list;
31 spinlock_t lock;
32 __u64 timer; /* last programmed timer */
33 __u64 elapsed; /* elapsed time of timer expire values */
34 __u64 idle_enter; /* cpu timer on idle enter */
35 __u64 idle_exit; /* cpu timer on idle exit */
36};
37
38extern void init_virt_timer(struct vtimer_list *timer);
39extern void add_virt_timer(void *new);
40extern void add_virt_timer_periodic(void *new);
41extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires);
42extern int mod_virt_timer_periodic(struct vtimer_list *timer, __u64 expires);
43extern int del_virt_timer(struct vtimer_list *timer);
44
45extern void init_cpu_vtimer(void);
46extern void vtime_init(void);
47
48extern void vtime_stop_cpu(void);
49extern void vtime_start_leave(void);
50
51#endif /* _ASM_S390_TIMER_H */