42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_TOPOLOGY_H
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#define __ASM_TOPOLOGY_H
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#include <linux/smp.h>
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#ifdef CONFIG_NUMA
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extern cpumask_t cpus_on_node[];
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#define cpumask_of_node(node) (&cpus_on_node[node])
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struct pci_bus;
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extern int pcibus_to_node(struct pci_bus *);
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#define cpumask_of_pcibus(bus) (cpu_online_mask)
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extern unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES];
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void numa_set_distance(int from, int to, int distance);
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#define node_distance(from, to) (node_distances[(from)][(to)])
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#else
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#define pcibus_to_node(bus) 0
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#endif
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#ifdef CONFIG_SMP
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#define topology_physical_package_id(cpu) (cpu_data[cpu].package)
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#define topology_core_id(cpu) (cpu_data[cpu].core)
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#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
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#define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu])
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#endif
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#include <asm-generic/topology.h>
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static inline void arch_fix_phys_package_id(int num, u32 slot) { }
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#endif /* __ASM_TOPOLOGY_H */
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