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-rw-r--r--arch/s390/include/asm/idle.h32
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diff --git a/arch/s390/include/asm/idle.h b/arch/s390/include/asm/idle.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 2014
+ *
+ * Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef _S390_IDLE_H
+#define _S390_IDLE_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/seqlock.h>
+
+struct s390_idle_data {
+ seqcount_t seqcount;
+ unsigned long idle_count;
+ unsigned long idle_time;
+ unsigned long clock_idle_enter;
+ unsigned long clock_idle_exit;
+ unsigned long timer_idle_enter;
+ unsigned long timer_idle_exit;
+ unsigned long mt_cycles_enter[8];
+};
+
+extern struct device_attribute dev_attr_idle_count;
+extern struct device_attribute dev_attr_idle_time_us;
+
+void psw_idle(struct s390_idle_data *data, unsigned long psw_mask);
+void psw_idle_exit(void);
+
+#endif /* _S390_IDLE_H */