49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
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#ifndef __ASM_TOPOLOGY_H
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#define __ASM_TOPOLOGY_H
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#include <linux/cpumask.h>
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struct cpu_topology {
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int thread_id;
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int core_id;
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int cluster_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 cpu_topology cpu_topology[NR_CPUS];
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#define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_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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#ifdef CONFIG_NUMA
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struct pci_bus;
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int pcibus_to_node(struct pci_bus *bus);
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#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
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cpu_all_mask : \
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cpumask_of_node(pcibus_to_node(bus)))
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#endif /* CONFIG_NUMA */
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struct sched_domain;
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#ifdef CONFIG_CPU_FREQ
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#define arch_scale_freq_capacity cpufreq_scale_freq_capacity
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extern unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu);
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#define arch_scale_max_freq_capacity cpufreq_scale_max_freq_capacity
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extern unsigned long cpufreq_scale_max_freq_capacity(struct sched_domain *sd, int cpu);
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#define arch_scale_min_freq_capacity cpufreq_scale_min_freq_capacity
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extern unsigned long cpufreq_scale_min_freq_capacity(struct sched_domain *sd, int cpu);
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#endif
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#define arch_scale_cpu_capacity scale_cpu_capacity
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extern unsigned long scale_cpu_capacity(struct sched_domain *sd, int cpu);
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#include <asm-generic/topology.h>
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#endif /* _ASM_ARM_TOPOLOGY_H */
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