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