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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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