1#ifndef _ASM_ARM_TOPOLOGY_H
2#define _ASM_ARM_TOPOLOGY_H
3
4#ifdef CONFIG_ARM_CPU_TOPOLOGY
5
6#include <linux/cpumask.h>
7
8struct cputopo_arm {
9	int thread_id;
10	int core_id;
11	int socket_id;
12	cpumask_t thread_sibling;
13	cpumask_t core_sibling;
14};
15
16extern struct cputopo_arm cpu_topology[NR_CPUS];
17
18#define topology_physical_package_id(cpu)	(cpu_topology[cpu].socket_id)
19#define topology_core_id(cpu)		(cpu_topology[cpu].core_id)
20#define topology_core_cpumask(cpu)	(&cpu_topology[cpu].core_sibling)
21#define topology_sibling_cpumask(cpu)	(&cpu_topology[cpu].thread_sibling)
22
23void init_cpu_topology(void);
24void store_cpu_topology(unsigned int cpuid);
25const struct cpumask *cpu_coregroup_mask(int cpu);
26
27#else
28
29static inline void init_cpu_topology(void) { }
30static inline void store_cpu_topology(unsigned int cpuid) { }
31
32#endif
33
34#include <asm-generic/topology.h>
35
36#endif /* _ASM_ARM_TOPOLOGY_H */
37