1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5 #ifndef __ASM_TOPOLOGY_H 6 #define __ASM_TOPOLOGY_H 7 8 #include <linux/smp.h> 9 10 #ifdef CONFIG_NUMA 11 #include <asm/numa.h> 12 13 extern cpumask_t cpus_on_node[]; 14 15 #define cpumask_of_node(node) (&cpus_on_node[node]) 16 17 struct pci_bus; 18 extern int pcibus_to_node(struct pci_bus *); 19 20 #define cpumask_of_pcibus(bus) (cpu_online_mask) 21 22 extern unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; 23 24 void numa_set_distance(int from, int to, int distance); 25 26 #define node_distance(from, to) (node_distances[(from)][(to)]) 27 28 #else 29 #define pcibus_to_node(bus) 0 30 #endif 31 32 #ifdef CONFIG_SMP 33 #define topology_physical_package_id(cpu) (cpu_data[cpu].package) 34 #define topology_core_id(cpu) (cpu_data[cpu].core) 35 #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 36 #define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu]) 37 #endif 38 39 #include <asm-generic/topology.h> 40 arch_fix_phys_package_id(int num,u32 slot)41static inline void arch_fix_phys_package_id(int num, u32 slot) { } 42 #endif /* __ASM_TOPOLOGY_H */ 43