1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_TOPOLOGY_H
3 #define __ASM_TOPOLOGY_H
5 #include <linux/cpumask.h>
11 cpumask_t thread_sibling;
12 cpumask_t core_sibling;
15 extern struct cpu_topology cpu_topology[NR_CPUS];
17 #define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_id)
18 #define topology_core_id(cpu) (cpu_topology[cpu].core_id)
19 #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
20 #define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
22 void init_cpu_topology(void);
23 void store_cpu_topology(unsigned int cpuid);
24 const struct cpumask *cpu_coregroup_mask(int cpu);
29 int pcibus_to_node(struct pci_bus *bus);
30 #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
32 cpumask_of_node(pcibus_to_node(bus)))
34 #endif /* CONFIG_NUMA */
36 #include <asm-generic/topology.h>
38 #endif /* _ASM_ARM_TOPOLOGY_H */