Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / topology.h
1 #ifndef __ASM_TOPOLOGY_H
2 #define __ASM_TOPOLOGY_H
3
4 #include <linux/cpumask.h>
5
6 struct cpu_topology {
7         int thread_id;
8         int core_id;
9         int cluster_id;
10         cpumask_t thread_sibling;
11         cpumask_t core_sibling;
12 };
13
14 extern struct cpu_topology cpu_topology[NR_CPUS];
15
16 #define topology_physical_package_id(cpu)       (cpu_topology[cpu].cluster_id)
17 #define topology_core_id(cpu)           (cpu_topology[cpu].core_id)
18 #define topology_core_cpumask(cpu)      (&cpu_topology[cpu].core_sibling)
19 #define topology_sibling_cpumask(cpu)   (&cpu_topology[cpu].thread_sibling)
20
21 void init_cpu_topology(void);
22 void store_cpu_topology(unsigned int cpuid);
23 const struct cpumask *cpu_coregroup_mask(int cpu);
24
25 struct sched_domain;
26 #ifdef CONFIG_CPU_FREQ
27 #define arch_scale_freq_capacity cpufreq_scale_freq_capacity
28 extern unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu);
29 extern unsigned long cpufreq_scale_max_freq_capacity(int cpu);
30 #endif
31 #define arch_scale_cpu_capacity scale_cpu_capacity
32 extern unsigned long scale_cpu_capacity(struct sched_domain *sd, int cpu);
33
34 #include <asm-generic/topology.h>
35
36 #endif /* _ASM_ARM_TOPOLOGY_H */