1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2018 Linaro Ltd
4  *
5  * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
6  *
7  */
8 #ifndef __IDLE_INJECT_H__
9 #define __IDLE_INJECT_H__
10 
11 /* private idle injection device structure */
12 struct idle_inject_device;
13 
14 struct idle_inject_device *idle_inject_register(struct cpumask *cpumask);
15 
16 void idle_inject_unregister(struct idle_inject_device *ii_dev);
17 
18 int idle_inject_start(struct idle_inject_device *ii_dev);
19 
20 void idle_inject_stop(struct idle_inject_device *ii_dev);
21 
22 void idle_inject_set_duration(struct idle_inject_device *ii_dev,
23 				 unsigned int run_duration_us,
24 				 unsigned int idle_duration_us);
25 
26 void idle_inject_get_duration(struct idle_inject_device *ii_dev,
27 				 unsigned int *run_duration_us,
28 				 unsigned int *idle_duration_us);
29 
30 void idle_inject_set_latency(struct idle_inject_device *ii_dev,
31 			     unsigned int latency_us);
32 
33 #endif /* __IDLE_INJECT_H__ */
34