37 lines
869 B
C
37 lines
869 B
C
#ifndef __ASM_TOPOLOGY_H
|
|
#define __ASM_TOPOLOGY_H
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
struct cpu_topology {
|
|
int thread_id;
|
|
int core_id;
|
|
int cluster_id;
|
|
cpumask_t thread_sibling;
|
|
cpumask_t core_sibling;
|
|
};
|
|
|
|
extern struct cpu_topology cpu_topology[NR_CPUS];
|
|
|
|
#define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_id)
|
|
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
|
|
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
|
|
#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
|
|
|
|
void init_cpu_topology(void);
|
|
void store_cpu_topology(unsigned int cpuid);
|
|
const struct cpumask *cpu_coregroup_mask(int cpu);
|
|
|
|
#else
|
|
|
|
static inline void init_cpu_topology(void) { }
|
|
static inline void store_cpu_topology(unsigned int cpuid) { }
|
|
|
|
#endif
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ARM_TOPOLOGY_H */
|