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 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 int __node_distance(int, int); 35 #define node_distance(a, b) __node_distance(a, b) 36 37 #else /* CONFIG_NUMA */ 38 39 #include <asm-generic/topology.h> 40 41 #endif /* !(CONFIG_NUMA) */ 42 43 #ifdef CONFIG_SMP 44 #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) 45 #define topology_core_id(cpu) (cpu_data(cpu).core_id) 46 #define topology_core_cpumask(cpu) (&cpu_core_sib_map[cpu]) 47 #define topology_core_cache_cpumask(cpu) (&cpu_core_sib_cache_map[cpu]) 48 #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) 49 #endif /* CONFIG_SMP */ 50 51 extern cpumask_t cpu_core_map[NR_CPUS]; 52 extern cpumask_t cpu_core_sib_map[NR_CPUS]; 53 extern cpumask_t cpu_core_sib_cache_map[NR_CPUS]; 54 55 /** 56 * Return cores that shares the last level cache. 57 */ 58 static inline const struct cpumask *cpu_coregroup_mask(int cpu) 59 { 60 return &cpu_core_sib_cache_map[cpu]; 61 } 62 63 #endif /* _ASM_SPARC64_TOPOLOGY_H */ 64