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/* big.LITTLE switcher is incompatible with frequency invariance */
11#ifndef CONFIG_BL_SWITCHER
12/* Replace task scheduler's default frequency-invariant accounting */
13#define arch_set_freq_scale topology_set_freq_scale
14#define arch_scale_freq_capacity topology_get_freq_scale
15#define arch_scale_freq_invariant topology_scale_freq_invariant
16#define arch_scale_freq_ref topology_get_freq_ref
17#endif
18
19/* Replace task scheduler's default cpu-invariant accounting */
20#define arch_scale_cpu_capacity topology_get_cpu_scale
21
22/* Enable topology flag updates */
23#define arch_update_cpu_topology topology_update_cpu_topology
24
25/* Replace task scheduler's default HW pressure API */
26#define arch_scale_hw_pressure topology_get_hw_pressure
27#define arch_update_hw_pressure	topology_update_hw_pressure
28
29#else
30
31static inline void init_cpu_topology(void) { }
32static inline void store_cpu_topology(unsigned int cpuid) { }
33
34#endif
35
36#include <asm-generic/topology.h>
37
38#endif /* _ASM_ARM_TOPOLOGY_H */

 
 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 */