Viewing file:  topology.h (1.01 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef __ASM_TOPOLOGY_H
#define __ASM_TOPOLOGY_H
#include <linux/smp.h>
#ifdef CONFIG_NUMA
extern cpumask_t cpus_on_node[];
#define cpumask_of_node(node) (&cpus_on_node[node])
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);
#define cpumask_of_pcibus(bus) (cpu_online_mask)
extern unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES];
void numa_set_distance(int from, int to, int distance);
#define node_distance(from, to) (node_distances[(from)][(to)])
#else
#define pcibus_to_node(bus) 0
#endif
#ifdef CONFIG_SMP
#define topology_physical_package_id(cpu) (cpu_data[cpu].package)
#define topology_core_id(cpu) (cpu_data[cpu].core)
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
#define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu])
#endif
#include <asm-generic/topology.h>
static inline void arch_fix_phys_package_id(int num, u32 slot) { }
#endif /* __ASM_TOPOLOGY_H */
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