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-rw-r--r--include/asm-s390/timer.h46
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