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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_SPARC64_TOPOLOGY_H
- #define _ASM_SPARC64_TOPOLOGY_H
- #ifdef CONFIG_NUMA
- #include <asm/mmzone.h>
- static inline int cpu_to_node(int cpu)
- {
- return numa_cpu_lookup_table[cpu];
- }
- #define cpumask_of_node(node) ((node) == -1 ? \
- cpu_all_mask : \
- &numa_cpumask_lookup_table[node])
- struct pci_bus;
- #ifdef CONFIG_PCI
- int pcibus_to_node(struct pci_bus *pbus);
- #else
- static inline int pcibus_to_node(struct pci_bus *pbus)
- {
- return -1;
- }
- #endif
- #define cpumask_of_pcibus(bus) \
- (pcibus_to_node(bus) == -1 ? \
- cpu_all_mask : \
- cpumask_of_node(pcibus_to_node(bus)))
- int __node_distance(int, int);
- #define node_distance(a, b) __node_distance(a, b)
- #else /* CONFIG_NUMA */
- #include <asm-generic/topology.h>
- #endif /* !(CONFIG_NUMA) */
- #ifdef CONFIG_SMP
- #include <asm/cpudata.h>
- #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id)
- #define topology_core_id(cpu) (cpu_data(cpu).core_id)
- #define topology_core_cpumask(cpu) (&cpu_core_sib_map[cpu])
- #define topology_core_cache_cpumask(cpu) (&cpu_core_sib_cache_map[cpu])
- #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
- #endif /* CONFIG_SMP */
- extern cpumask_t cpu_core_map[NR_CPUS];
- extern cpumask_t cpu_core_sib_map[NR_CPUS];
- extern cpumask_t cpu_core_sib_cache_map[NR_CPUS];
- /**
- * Return cores that shares the last level cache.
- */
- static inline const struct cpumask *cpu_coregroup_mask(int cpu)
- {
- return &cpu_core_sib_cache_map[cpu];
- }
- #endif /* _ASM_SPARC64_TOPOLOGY_H */
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