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65 lines
1.5 KiB
65 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#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 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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