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 static inline cpumask_t node_to_cpumask(int node)
  16 {
  17         return numa_cpumask_lookup_table[node];
  18 }
  19 #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
  20
  21 /*
  22  * Returns a pointer to the cpumask of CPUs on Node 'node'.
  23  * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
  24  */
  25 #define node_to_cpumask_ptr(v, node)            \
  26                 cpumask_t *v = &(numa_cpumask_lookup_table[node])
  27
  28 #define node_to_cpumask_ptr_next(v, node)       \
  29                            v = &(numa_cpumask_lookup_table[node])
  30
  31 static inline int node_to_first_cpu(int node)
  32 {
  33         return cpumask_first(cpumask_of_node(node));
  34 }
  35
  36 struct pci_bus;
  37 #ifdef CONFIG_PCI
  38 extern int pcibus_to_node(struct pci_bus *pbus);
  39 #else
  40 static inline int pcibus_to_node(struct pci_bus *pbus)
  41 {
  42         return -1;
  43 }
  44 #endif
  45
  46 #define pcibus_to_cpumask(bus)  \
  47         (pcibus_to_node(bus) == -1 ? \
  48          CPU_MASK_ALL : \
  49          node_to_cpumask(pcibus_to_node(bus)))
  50 #define cpumask_of_pcibus(bus)  \
  51         (pcibus_to_node(bus) == -1 ? \
  52          CPU_MASK_ALL_PTR : \
  53          cpumask_of_node(pcibus_to_node(bus)))
  54
  55 #define SD_NODE_INIT (struct sched_domain) {            \
  56         .min_interval           = 8,                    \
  57         .max_interval           = 32,                   \
  58         .busy_factor            = 32,                   \
  59         .imbalance_pct          = 125,                  \
  60         .cache_nice_tries       = 2,                    \
  61         .busy_idx               = 3,                    \
  62         .idle_idx               = 2,                    \
  63         .newidle_idx            = 0,                    \
  64         .wake_idx               = 1,                    \
  65         .forkexec_idx           = 1,                    \
  66         .flags                  = SD_LOAD_BALANCE       \
  67                                 | SD_BALANCE_FORK       \
  68                                 | SD_BALANCE_EXEC       \
  69                                 | SD_SERIALIZE          \
  70                                 | SD_WAKE_BALANCE,      \
  71         .last_balance           = jiffies,              \
  72         .balance_interval       = 1,                    \
  73 }
  74
  75 #else /* CONFIG_NUMA */
  76
  77 #include <asm-generic/topology.h>
  78
  79 #endif /* !(CONFIG_NUMA) */
  80
  81 #ifdef CONFIG_SMP
  82 #define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
  83 #define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
  84 #define topology_core_siblings(cpu)             (cpu_core_map[cpu])
  85 #define topology_thread_siblings(cpu)           (per_cpu(cpu_sibling_map, cpu))
  86 #define topology_core_cpumask(cpu)              (&cpu_core_map[cpu])
  87 #define topology_thread_cpumask(cpu)            (&per_cpu(cpu_sibling_map, cpu))
  88 #define mc_capable()                            (sparc64_multi_core)
  89 #define smt_capable()                           (sparc64_multi_core)
  90 #endif /* CONFIG_SMP */
  91
  92 #define cpu_coregroup_map(cpu)                  (cpu_core_map[cpu])
  93 #define cpu_coregroup_mask(cpu)                 (&cpu_core_map[cpu])
  94
  95 #endif /* _ASM_SPARC64_TOPOLOGY_H */