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 */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_ARM_TOPOLOGY_H
 3#define _ASM_ARM_TOPOLOGY_H
 4
 5#ifdef CONFIG_ARM_CPU_TOPOLOGY
 6
 7#include <linux/cpumask.h>
 8#include <linux/arch_topology.h>
 9
10/* Replace task scheduler's default frequency-invariant accounting */
11#define arch_scale_freq_capacity topology_get_freq_scale
 
 
 
 
 
12
13/* Replace task scheduler's default cpu-invariant accounting */
14#define arch_scale_cpu_capacity topology_get_cpu_scale
15
16/* Enable topology flag updates */
17#define arch_update_cpu_topology topology_update_cpu_topology
 
 
 
 
 
 
18
19#else
20
21static inline void init_cpu_topology(void) { }
22static inline void store_cpu_topology(unsigned int cpuid) { }
23
24#endif
25
26#include <asm-generic/topology.h>
27
28#endif /* _ASM_ARM_TOPOLOGY_H */