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 9 static 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 20 struct pci_bus; 21 #ifdef CONFIG_PCI 22 int pcibus_to_node(struct pci_bus *pbus); 23 #else 24 static 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 35 int __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 52 extern cpumask_t cpu_core_map[NR_CPUS]; 53 extern cpumask_t cpu_core_sib_map[NR_CPUS]; 54 extern cpumask_t cpu_core_sib_cache_map[NR_CPUS]; 55 56 /** 57 * Return cores that shares the last level cache. 58 */ 59 static 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 */ 65