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 cpu_to_node(int cpu)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 18 struct pci_bus; 19 #ifdef CONFIG_PCI 20 int pcibus_to_node(struct pci_bus *pbus); 21 #else pcibus_to_node(struct pci_bus * pbus)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 33 int __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 53 extern cpumask_t cpu_core_map[NR_CPUS]; 54 extern cpumask_t cpu_core_sib_map[NR_CPUS]; 55 extern cpumask_t cpu_core_sib_cache_map[NR_CPUS]; 56 57 /** 58 * Return cores that shares the last level cache. 59 */ cpu_coregroup_mask(int cpu)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