1b738c106SHuacai Chen /* SPDX-License-Identifier: GPL-2.0 */ 2b738c106SHuacai Chen /* 3b738c106SHuacai Chen * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4b738c106SHuacai Chen */ 5b738c106SHuacai Chen #ifndef __ASM_TOPOLOGY_H 6b738c106SHuacai Chen #define __ASM_TOPOLOGY_H 7b738c106SHuacai Chen 8b738c106SHuacai Chen #include <linux/smp.h> 9b738c106SHuacai Chen 10d4b6f156SHuacai Chen #ifdef CONFIG_NUMA 11*46bcce50SMike Rapoport (Microsoft) #include <asm/numa.h> 12d4b6f156SHuacai Chen 13d4b6f156SHuacai Chen extern cpumask_t cpus_on_node[]; 14d4b6f156SHuacai Chen 15d4b6f156SHuacai Chen #define cpumask_of_node(node) (&cpus_on_node[node]) 16d4b6f156SHuacai Chen 17d4b6f156SHuacai Chen struct pci_bus; 18d4b6f156SHuacai Chen extern int pcibus_to_node(struct pci_bus *); 19d4b6f156SHuacai Chen 20d4b6f156SHuacai Chen #define cpumask_of_pcibus(bus) (cpu_online_mask) 21d4b6f156SHuacai Chen 22d4b6f156SHuacai Chen extern unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; 23d4b6f156SHuacai Chen 24d4b6f156SHuacai Chen void numa_set_distance(int from, int to, int distance); 25d4b6f156SHuacai Chen 26d4b6f156SHuacai Chen #define node_distance(from, to) (node_distances[(from)][(to)]) 27d4b6f156SHuacai Chen 28d4b6f156SHuacai Chen #else 29d4b6f156SHuacai Chen #define pcibus_to_node(bus) 0 30d4b6f156SHuacai Chen #endif 31d4b6f156SHuacai Chen 3246859ac8SHuacai Chen #ifdef CONFIG_SMP 3346859ac8SHuacai Chen #define topology_physical_package_id(cpu) (cpu_data[cpu].package) 3446859ac8SHuacai Chen #define topology_core_id(cpu) (cpu_data[cpu].core) 3546859ac8SHuacai Chen #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) 3646859ac8SHuacai Chen #define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu]) 3746859ac8SHuacai Chen #endif 38b738c106SHuacai Chen 39b738c106SHuacai Chen #include <asm-generic/topology.h> 40b738c106SHuacai Chen arch_fix_phys_package_id(int num,u32 slot)41b738c106SHuacai Chenstatic inline void arch_fix_phys_package_id(int num, u32 slot) { } 42b738c106SHuacai Chen #endif /* __ASM_TOPOLOGY_H */ 43