1 #ifndef _ASM_SPARC64_TOPOLOGY_H
2 #define _ASM_SPARC64_TOPOLOGY_H
3 
4 #ifdef CONFIG_NUMA
5 
6 #include <asm/mmzone.h>
7 
8 static inline int cpu_to_node(int cpu)
9 {
10 	return numa_cpu_lookup_table[cpu];
11 }
12 
13 #define parent_node(node)	(node)
14 
15 #define cpumask_of_node(node) ((node) == -1 ?				\
16 			       cpu_all_mask :				\
17 			       &numa_cpumask_lookup_table[node])
18 
19 struct pci_bus;
20 #ifdef CONFIG_PCI
21 extern int pcibus_to_node(struct pci_bus *pbus);
22 #else
23 static inline int pcibus_to_node(struct pci_bus *pbus)
24 {
25 	return -1;
26 }
27 #endif
28 
29 #define cpumask_of_pcibus(bus)	\
30 	(pcibus_to_node(bus) == -1 ? \
31 	 cpu_all_mask : \
32 	 cpumask_of_node(pcibus_to_node(bus)))
33 
34 #else /* CONFIG_NUMA */
35 
36 #include <asm-generic/topology.h>
37 
38 #endif /* !(CONFIG_NUMA) */
39 
40 #ifdef CONFIG_SMP
41 #define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
42 #define topology_core_id(cpu)			(cpu_data(cpu).core_id)
43 #define topology_core_cpumask(cpu)		(&cpu_core_map[cpu])
44 #define topology_thread_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
45 #define mc_capable()				(sparc64_multi_core)
46 #define smt_capable()				(sparc64_multi_core)
47 #endif /* CONFIG_SMP */
48 
49 extern cpumask_t cpu_core_map[NR_CPUS];
50 static inline const struct cpumask *cpu_coregroup_mask(int cpu)
51 {
52         return &cpu_core_map[cpu];
53 }
54 
55 #endif /* _ASM_SPARC64_TOPOLOGY_H */
56