1 #ifndef _ASM_ARM_TOPOLOGY_H 2 #define _ASM_ARM_TOPOLOGY_H 3 4 #ifdef CONFIG_ARM_CPU_TOPOLOGY 5 6 #include <linux/cpufreq.h> 7 #include <linux/cpumask.h> 8 9 struct cputopo_arm { 10 int thread_id; 11 int core_id; 12 int socket_id; 13 cpumask_t thread_sibling; 14 cpumask_t core_sibling; 15 }; 16 17 extern struct cputopo_arm cpu_topology[NR_CPUS]; 18 19 #define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) 20 #define topology_core_id(cpu) (cpu_topology[cpu].core_id) 21 #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) 22 #define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) 23 24 void init_cpu_topology(void); 25 void store_cpu_topology(unsigned int cpuid); 26 const struct cpumask *cpu_coregroup_mask(int cpu); 27 28 #ifdef CONFIG_CPU_FREQ 29 #define arch_scale_freq_capacity cpufreq_scale_freq_capacity 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 #else 35 init_cpu_topology(void)36static inline void init_cpu_topology(void) { } store_cpu_topology(unsigned int cpuid)37static inline void store_cpu_topology(unsigned int cpuid) { } 38 39 #endif 40 41 #include <asm-generic/topology.h> 42 43 #endif /* _ASM_ARM_TOPOLOGY_H */ 44