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) (&numa_cpumask_lookup_table[node])
  16
  17 struct pci_bus;
  18 #ifdef CONFIG_PCI
  19 extern int pcibus_to_node(struct pci_bus *pbus);
  20 #else
  21 static inline int pcibus_to_node(struct pci_bus *pbus)
  22 {
  23         return -1;
  24 }
  25 #endif
  26
  27 #define cpumask_of_pcibus(bus)  \
  28         (pcibus_to_node(bus) == -1 ? \
  29          cpu_all_mask : \
  30          cpumask_of_node(pcibus_to_node(bus)))
  31
  32 #define SD_NODE_INIT (struct sched_domain) {            \
  33         .min_interval           = 8,                    \
  34         .max_interval           = 32,                   \
  35         .busy_factor            = 32,                   \
  36         .imbalance_pct          = 125,                  \
  37         .cache_nice_tries       = 2,                    \
  38         .busy_idx               = 3,                    \
  39         .idle_idx               = 2,                    \
  40         .newidle_idx            = 0,                    \
  41         .wake_idx               = 0,                    \
  42         .forkexec_idx           = 0,                    \
  43         .flags                  = SD_LOAD_BALANCE       \
  44                                 | SD_BALANCE_FORK       \
  45                                 | SD_BALANCE_EXEC       \
  46                                 | SD_SERIALIZE,         \
  47         .last_balance           = jiffies,              \
  48         .balance_interval       = 1,                    \
  49 }
  50
  51 #else /* CONFIG_NUMA */
  52
  53 #include <asm-generic/topology.h>
  54
  55 #endif /* !(CONFIG_NUMA) */
  56
  57 #ifdef CONFIG_SMP
  58 #define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
  59 #define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
  60 #define topology_core_cpumask(cpu)              (&cpu_core_map[cpu])
  61 #define topology_thread_cpumask(cpu)            (&per_cpu(cpu_sibling_map, cpu))
  62 #define mc_capable()                            (sparc64_multi_core)
  63 #define smt_capable()                           (sparc64_multi_core)
  64 #endif /* CONFIG_SMP */
  65
  66 #define cpu_coregroup_mask(cpu)                 (&cpu_core_map[cpu])
  67
  68 #endif /* _ASM_SPARC64_TOPOLOGY_H */