38 lines
961 B
C
38 lines
961 B
C
#ifndef __ASM_TOPOLOGY_H
|
|
#define __ASM_TOPOLOGY_H
|
|
|
|
#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_sibling_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);
|
|
|
|
#ifdef CONFIG_NUMA
|
|
|
|
struct pci_bus;
|
|
int pcibus_to_node(struct pci_bus *bus);
|
|
#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
|
|
cpu_all_mask : \
|
|
cpumask_of_node(pcibus_to_node(bus)))
|
|
|
|
#endif /* CONFIG_NUMA */
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ARM_TOPOLOGY_H */
|