LXR linux/arch/sparc/include/asm/topology

   1#ifndef _ASM_SPARC64_TOPOLOGY_H
   2#define _ASM_SPARC64_TOPOLOGY_H
   3
   4#ifdef CONFIG_NUMA
   5
   6#include <asm/mmzone.h>
   7
   8static 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
  19struct pci_bus;
  20#ifdef CONFIG_PCI
  21int pcibus_to_node(struct pci_bus *pbus);
  22#else
  23static 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#endif /* CONFIG_SMP */
  46
  47extern cpumask_t cpu_core_map[NR_CPUS];
  48static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  49{
  50        return &cpu_core_map[cpu];
  51}
  52
  53#endif /* _ASM_SPARC64_TOPOLOGY_H */
  54