46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_ARM_TOPOLOGY_H
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#define _ASM_ARM_TOPOLOGY_H
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#ifdef CONFIG_ARM_CPU_TOPOLOGY
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#include <linux/cpumask.h>
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struct cputopo_arm {
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int thread_id;
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int core_id;
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int socket_id;
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cpumask_t thread_sibling;
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cpumask_t core_sibling;
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};
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extern struct cputopo_arm cpu_topology[NR_CPUS];
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#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
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#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
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#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
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#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
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void init_cpu_topology(void);
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void store_cpu_topology(unsigned int cpuid);
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const struct cpumask *cpu_coregroup_mask(int cpu);
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#include <linux/arch_topology.h>
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/* Replace task scheduler's default frequency-invariant accounting */
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#define arch_scale_freq_capacity topology_get_freq_scale
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/* Replace task scheduler's default cpu-invariant accounting */
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#define arch_scale_cpu_capacity topology_get_cpu_scale
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#else
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static inline void init_cpu_topology(void) { }
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static inline void store_cpu_topology(unsigned int cpuid) { }
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#endif
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#include <asm-generic/topology.h>
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#endif /* _ASM_ARM_TOPOLOGY_H */
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