| /* 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 */ |
