1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_SPARC64_TOPOLOGY_H
3#define _ASM_SPARC64_TOPOLOGY_H
4
5#ifdef CONFIG_NUMA
6
7#include <asm/mmzone.h>
8
9static inline int cpu_to_node(int cpu)
10{
11	return numa_cpu_lookup_table[cpu];
12}
13
14#define cpumask_of_node(node) ((node) == -1 ?				\
15			       cpu_all_mask :				\
16			       &numa_cpumask_lookup_table[node])
17
18struct pci_bus;
19#ifdef CONFIG_PCI
20int pcibus_to_node(struct pci_bus *pbus);
21#else
22static inline int pcibus_to_node(struct pci_bus *pbus)
23{
24	return -1;
25}
26#endif
27
28#define cpumask_of_pcibus(bus)	\
29	(pcibus_to_node(bus) == -1 ? \
30	 cpu_all_mask : \
31	 cpumask_of_node(pcibus_to_node(bus)))
32
33int __node_distance(int, int);
34#define node_distance(a, b) __node_distance(a, b)
35
36#else /* CONFIG_NUMA */
37
38#include <asm-generic/topology.h>
39
40#endif /* !(CONFIG_NUMA) */
41
42#ifdef CONFIG_SMP
43
44#include <asm/cpudata.h>
45
46#define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
47#define topology_core_id(cpu)			(cpu_data(cpu).core_id)
48#define topology_core_cpumask(cpu)		(&cpu_core_sib_map[cpu])
49#define topology_core_cache_cpumask(cpu)	(&cpu_core_sib_cache_map[cpu])
50#define topology_sibling_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
51#endif /* CONFIG_SMP */
52
53extern cpumask_t cpu_core_map[NR_CPUS];
54extern cpumask_t cpu_core_sib_map[NR_CPUS];
55extern cpumask_t cpu_core_sib_cache_map[NR_CPUS];
56
57/**
58 * Return cores that shares the last level cache.
59 */
60static inline const struct cpumask *cpu_coregroup_mask(int cpu)
61{
62	return &cpu_core_sib_cache_map[cpu];
63}
64
65#endif /* _ASM_SPARC64_TOPOLOGY_H */
66