Merge branch 'pm-cpufreq'
[muen/linux.git] / include / linux / arch_topology.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * include/linux/arch_topology.h - arch specific cpu topology information
4  */
5 #ifndef _LINUX_ARCH_TOPOLOGY_H_
6 #define _LINUX_ARCH_TOPOLOGY_H_
7
8 #include <linux/types.h>
9 #include <linux/percpu.h>
10
11 void topology_normalize_cpu_scale(void);
12
13 struct device_node;
14 bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
15
16 DECLARE_PER_CPU(unsigned long, cpu_scale);
17
18 struct sched_domain;
19 static inline
20 unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
21 {
22         return per_cpu(cpu_scale, cpu);
23 }
24
25 void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);
26
27 DECLARE_PER_CPU(unsigned long, freq_scale);
28
29 static inline
30 unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu)
31 {
32         return per_cpu(freq_scale, cpu);
33 }
34
35 #endif /* _LINUX_ARCH_TOPOLOGY_H_ */