| /* 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 */ |
