62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __ASM_TOPOLOGY_H
|
|
#define __ASM_TOPOLOGY_H
|
|
|
|
#include <linux/cpumask.h>
|
|
|
|
struct cpu_topology {
|
|
int thread_id;
|
|
int core_id;
|
|
int package_id;
|
|
int llc_id;
|
|
cpumask_t thread_sibling;
|
|
cpumask_t core_sibling;
|
|
cpumask_t llc_sibling;
|
|
};
|
|
|
|
extern struct cpu_topology cpu_topology[NR_CPUS];
|
|
|
|
#define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
|
|
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
|
|
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
|
|
#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
|
|
#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
|
|
|
|
void init_cpu_topology(void);
|
|
void store_cpu_topology(unsigned int cpuid);
|
|
void remove_cpu_topology(unsigned int cpuid);
|
|
const struct cpumask *cpu_coregroup_mask(int cpu);
|
|
int topology_nr_clusters(void);
|
|
|
|
#ifdef CONFIG_NUMA
|
|
|
|
struct pci_bus;
|
|
int pcibus_to_node(struct pci_bus *bus);
|
|
#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
|
|
cpu_all_mask : \
|
|
cpumask_of_node(pcibus_to_node(bus)))
|
|
|
|
#endif /* CONFIG_NUMA */
|
|
|
|
#include <linux/arch_topology.h>
|
|
|
|
/* Replace task scheduler's default frequency-invariant accounting */
|
|
#define arch_scale_freq_capacity topology_get_freq_scale
|
|
|
|
/* Replace task scheduler's default max-frequency-invariant accounting */
|
|
#define arch_scale_max_freq_capacity topology_get_max_freq_scale
|
|
|
|
/* Replace task scheduler's default cpu-invariant accounting */
|
|
#define arch_scale_cpu_capacity topology_get_cpu_scale
|
|
|
|
/* Enable topology flag updates */
|
|
#define arch_update_cpu_topology topology_update_cpu_topology
|
|
|
|
/* Cpu and cluster informantion */
|
|
#define arch_cpu_cluster_id topology_physical_package_id
|
|
#define arch_nr_clusters topology_nr_clusters
|
|
|
|
#include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ARM_TOPOLOGY_H */
|