idle.h (753B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright IBM Corp. 2014 4 * 5 * Author: Martin Schwidefsky <schwidefsky@de.ibm.com> 6 */ 7 8#ifndef _S390_IDLE_H 9#define _S390_IDLE_H 10 11#include <linux/types.h> 12#include <linux/device.h> 13#include <linux/seqlock.h> 14 15struct s390_idle_data { 16 seqcount_t seqcount; 17 unsigned long idle_count; 18 unsigned long idle_time; 19 unsigned long clock_idle_enter; 20 unsigned long clock_idle_exit; 21 unsigned long timer_idle_enter; 22 unsigned long timer_idle_exit; 23 unsigned long mt_cycles_enter[8]; 24}; 25 26extern struct device_attribute dev_attr_idle_count; 27extern struct device_attribute dev_attr_idle_time_us; 28 29void psw_idle(struct s390_idle_data *data, unsigned long psw_mask); 30void psw_idle_exit(void); 31 32#endif /* _S390_IDLE_H */