1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_MACH_TOPOLOGY_H 3 #define _ASM_MACH_TOPOLOGY_H 4 5 #ifdef CONFIG_NUMA 6 7 #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) 8 9 extern cpumask_t __node_cpumask[]; 10 #define cpumask_of_node(node) (&__node_cpumask[node]) 11 12 struct pci_bus; 13 extern int pcibus_to_node(struct pci_bus *); 14 15 #define cpumask_of_pcibus(bus) (cpu_online_mask) 16 17 extern unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES]; 18 19 #define node_distance(from, to) (__node_distances[(from)][(to)]) 20 21 #endif 22 23 #include <asm-generic/topology.h> 24 25 #endif /* _ASM_MACH_TOPOLOGY_H */ 26