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author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 20:42:05 +0200 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 20:42:05 +0200 |
commit | c6557e7f2b6ae76a44653d38f835174074c42e05 (patch) | |
tree | da619a76b309cb1cd259d082af768a83cfcd6d52 /arch/s390/include/asm/timer.h | |
parent | [S390] qeth: avoid use of include/asm-s390 (diff) | |
download | linux-c6557e7f2b6ae76a44653d38f835174074c42e05.tar.xz linux-c6557e7f2b6ae76a44653d38f835174074c42e05.zip |
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/timer.h')
-rw-r--r-- | arch/s390/include/asm/timer.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/s390/include/asm/timer.h b/arch/s390/include/asm/timer.h new file mode 100644 index 000000000000..d98d79e35cd6 --- /dev/null +++ b/arch/s390/include/asm/timer.h @@ -0,0 +1,65 @@ +/* + * include/asm-s390/timer.h + * + * (C) Copyright IBM Corp. 2003,2006 + * Virtual CPU timer + * + * Author: Jan Glauber (jang@de.ibm.com) + */ + +#ifndef _ASM_S390_TIMER_H +#define _ASM_S390_TIMER_H + +#ifdef __KERNEL__ + +#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); + 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); + +extern void init_cpu_vtimer(void); +extern void vtime_init(void); + +#ifdef CONFIG_VIRT_TIMER + +extern void vtime_start_cpu_timer(void); +extern void vtime_stop_cpu_timer(void); + +#else + +static inline void vtime_start_cpu_timer(void) { } +static inline void vtime_stop_cpu_timer(void) { } + +#endif /* CONFIG_VIRT_TIMER */ + +#endif /* __KERNEL__ */ + +#endif /* _ASM_S390_TIMER_H */ |