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
  21extern int 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#define SD_NODE_INIT (struct sched_domain) {            \
  35        .min_interval           = 8,                    \
  36        .max_interval           = 32,                   \
  37        .busy_factor            = 32,                   \
  38        .imbalance_pct          = 125,                  \
  39        .cache_nice_tries       = 2,                    \
  40        .busy_idx               = 3,                    \
  41        .idle_idx               = 2,                    \
  42        .newidle_idx            = 0,                    \
  43        .wake_idx               = 0,                    \
  44        .forkexec_idx           = 0,                    \
  45        .flags                  = SD_LOAD_BALANCE       \
  46                                | SD_BALANCE_FORK       \
  47                                | SD_BALANCE_EXEC       \
  48                                | SD_SERIALIZE,         \
  49        .last_balance           = jiffies,              \
  50        .balance_interval       = 1,                    \
  51}
  52
  53#else /* CONFIG_NUMA */
  54
  55#include <asm-generic/topology.h>
  56
  57#endif /* !(CONFIG_NUMA) */
  58
  59#ifdef CONFIG_SMP
  60#define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
  61#define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
  62#define topology_core_cpumask(cpu)              (&cpu_core_map[cpu])
  63#define topology_thread_cpumask(cpu)            (&per_cpu(cpu_sibling_map, cpu))
  64#define mc_capable()                            (sparc64_multi_core)
  65#define smt_capable()                           (sparc64_multi_core)
  66#endif /* CONFIG_SMP */
  67
  68extern cpumask_t cpu_core_map[NR_CPUS];
  69static inline const struct cpumask *cpu_coregroup_mask(int cpu)
  70{
  71        return &cpu_core_map[cpu];
  72}
  73
  74#endif /* _ASM_SPARC64_TOPOLOGY_H */
  75