topology.h

 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
 9extern cpumask_t __node_cpumask[];
10#define cpumask_of_node(node)	  ((node) == NUMA_NO_NODE ? cpu_all_mask : &__node_cpumask[node])
11
12struct pci_bus;
13extern int pcibus_to_node(struct pci_bus *);
14
15#define cpumask_of_pcibus(bus)	(cpu_online_mask)
16
17extern 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 */