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 struct idle_inject_device *idle_inject_register_full(struct cpumask *cpumask,
17 						     bool (*update)(void));
18 
19 void idle_inject_unregister(struct idle_inject_device *ii_dev);
20 
21 int idle_inject_start(struct idle_inject_device *ii_dev);
22 
23 void idle_inject_stop(struct idle_inject_device *ii_dev);
24 
25 void idle_inject_set_duration(struct idle_inject_device *ii_dev,
26 				 unsigned int run_duration_us,
27 				 unsigned int idle_duration_us);
28 
29 void idle_inject_get_duration(struct idle_inject_device *ii_dev,
30 				 unsigned int *run_duration_us,
31 				 unsigned int *idle_duration_us);
32 
33 void idle_inject_set_latency(struct idle_inject_device *ii_dev,
34 			     unsigned int latency_us);
35 
36 #endif /* __IDLE_INJECT_H__ */
37