Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
615ffd63 JL |
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 | ||
805df296 | 8 | #include <linux/types.h> |
0e27c567 | 9 | #include <linux/percpu.h> |
805df296 | 10 | |
4ca4f26a | 11 | void topology_normalize_cpu_scale(void); |
bb1fbdd3 | 12 | int topology_update_cpu_topology(void); |
615ffd63 JL |
13 | |
14 | struct device_node; | |
805df296 | 15 | bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); |
615ffd63 | 16 | |
8216f588 DE |
17 | DECLARE_PER_CPU(unsigned long, cpu_scale); |
18 | ||
615ffd63 | 19 | struct sched_domain; |
8216f588 | 20 | static inline |
8ec59c0f | 21 | unsigned long topology_get_cpu_scale(int cpu) |
8216f588 DE |
22 | { |
23 | return per_cpu(cpu_scale, cpu); | |
24 | } | |
615ffd63 | 25 | |
4ca4f26a | 26 | void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity); |
615ffd63 | 27 | |
0e27c567 DE |
28 | DECLARE_PER_CPU(unsigned long, freq_scale); |
29 | ||
30 | static inline | |
7673c8a4 | 31 | unsigned long topology_get_freq_scale(int cpu) |
0e27c567 DE |
32 | { |
33 | return per_cpu(freq_scale, cpu); | |
34 | } | |
35 | ||
615ffd63 | 36 | #endif /* _LINUX_ARCH_TOPOLOGY_H_ */ |