arch/sparc/include/asm/topology_64.h

   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_sibling_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
  48 #endif /* CONFIG_SMP */
  49
  50 extern cpumask_t cpu_core_map[NR_CPUS];
  51 extern cpumask_t cpu_core_sib_map[NR_CPUS];
  52 static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  53 {
  54         return &cpu_core_map[cpu];
  55 }
  56
  57 #endif /* _ASM_SPARC64_TOPOLOGY_H */