1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_TOPOLOGY_H
3 #define __ASM_TOPOLOGY_H
5 #include <linux/cpumask.h>
12 cpumask_t thread_sibling
;
13 cpumask_t core_sibling
;
14 cpumask_t llc_siblings
;
17 extern struct cpu_topology cpu_topology
[NR_CPUS
];
19 #define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
20 #define topology_core_id(cpu) (cpu_topology[cpu].core_id)
21 #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
22 #define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
24 void init_cpu_topology(void);
25 void store_cpu_topology(unsigned int cpuid
);
26 const struct cpumask
*cpu_coregroup_mask(int cpu
);
31 int pcibus_to_node(struct pci_bus
*bus
);
32 #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
34 cpumask_of_node(pcibus_to_node(bus)))
36 #endif /* CONFIG_NUMA */
38 #include <linux/arch_topology.h>
40 /* Replace task scheduler's default frequency-invariant accounting */
41 #define arch_scale_freq_capacity topology_get_freq_scale
43 /* Replace task scheduler's default cpu-invariant accounting */
44 #define arch_scale_cpu_capacity topology_get_cpu_scale
46 #include <asm-generic/topology.h>
48 #endif /* _ASM_ARM_TOPOLOGY_H */