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