diff options
Diffstat (limited to 'include/asm-s390/timer.h')
| -rw-r--r-- | include/asm-s390/timer.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-s390/timer.h b/include/asm-s390/timer.h new file mode 100644 index 00000000000..ea0788967c5 --- /dev/null +++ b/include/asm-s390/timer.h @@ -0,0 +1,46 @@ +/* + * include/asm-s390/timer.h + * + * (C) Copyright IBM Corp. 2003 + * Virtual CPU timer + * + * Author: Jan Glauber (jang@de.ibm.com) + */ + +#ifndef _ASM_S390_TIMER_H +#define _ASM_S390_TIMER_H + +#include <linux/timer.h> + +#define VTIMER_MAX_SLICE (0x7ffffffffffff000LL) + +struct vtimer_list { + struct list_head entry; + + int cpu; + __u64 expires; + __u64 interval; + + spinlock_t lock; + unsigned long magic; + + void (*function)(unsigned long, struct pt_regs*); + unsigned long data; +}; + +/* the offset value will wrap after ca. 71 years */ +struct vtimer_queue { + struct list_head list; + spinlock_t lock; + __u64 to_expire; /* current event expire time */ + __u64 offset; /* list offset to zero */ + __u64 idle; /* temp var for idle */ +}; + +extern void init_virt_timer(struct vtimer_list *timer); +extern void add_virt_timer(void *new); +extern void add_virt_timer_periodic(void *new); +extern int mod_virt_timer(struct vtimer_list *timer, __u64 expires); +extern int del_virt_timer(struct vtimer_list *timer); + +#endif |