aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/s390/include/asm/idle.h
blob: b04f6a794cdfb5d696c9c9dc29e9e35f66e3a00b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* 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 long idle_count;
	unsigned long long idle_time;
	unsigned long long clock_idle_enter;
	unsigned long long clock_idle_exit;
	unsigned long long timer_idle_enter;
	unsigned long 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 */