1 files changed, 86 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
new file mode 100644
index 000000000000..001c04027c82
--- /dev/null
+++ b/arch/sparc/include/asm/topology_64.h
@@ -0,0 +1,86 @@
+#ifndef _ASM_SPARC64_TOPOLOGY_H
+#define _ASM_SPARC64_TOPOLOGY_H
+
+#ifdef CONFIG_NUMA
+
+#include <asm/mmzone.h>
+
+static inline int cpu_to_node(int cpu)
+{
+        return numa_cpu_lookup_table[cpu];
+}
+
+#define parent_node(node)       (node)
+
+static inline cpumask_t node_to_cpumask(int node)
+{
+        return numa_cpumask_lookup_table[node];
+}
+
+/* Returns a pointer to the cpumask of CPUs on Node 'node'. */
+#define node_to_cpumask_ptr(v, node)            \
+                cpumask_t *v = &(numa_cpumask_lookup_table[node])
+
+#define node_to_cpumask_ptr_next(v, node)       \
+                           v = &(numa_cpumask_lookup_table[node])
+
+static inline int node_to_first_cpu(int node)
+{
+        cpumask_t tmp;
+        tmp = node_to_cpumask(node);
+        return first_cpu(tmp);
+}
+
+struct pci_bus;
+#ifdef CONFIG_PCI
+extern int pcibus_to_node(struct pci_bus *pbus);
+#else
+static inline int pcibus_to_node(struct pci_bus *pbus)
+{
+        return -1;
+}
+#endif
+
+#define pcibus_to_cpumask(bus)  \
+        (pcibus_to_node(bus) == -1 ? \
+         CPU_MASK_ALL : \
+         node_to_cpumask(pcibus_to_node(bus)))
+
+#define SD_NODE_INIT (struct sched_domain) {            \
+        .min_interval           = 8,                    \
+        .max_interval           = 32,                   \
+        .busy_factor            = 32,                   \
+        .imbalance_pct          = 125,                  \
+        .cache_nice_tries       = 2,                    \
+        .busy_idx               = 3,                    \
+        .idle_idx               = 2,                    \
+        .newidle_idx            = 0,                    \
+        .wake_idx               = 1,                    \
+        .forkexec_idx           = 1,                    \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_FORK       \
+                                | SD_BALANCE_EXEC       \
+                                | SD_SERIALIZE          \
+                                | SD_WAKE_BALANCE,      \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 1,                    \
+}
+
+#else /* CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
+#endif /* !(CONFIG_NUMA) */
+
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
+#define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
+#define topology_core_siblings(cpu)             (cpu_core_map[cpu])
+#define topology_thread_siblings(cpu)           (per_cpu(cpu_sibling_map, cpu))
+#define mc_capable()                            (sparc64_multi_core)
+#define smt_capable()                           (sparc64_multi_core)
+#endif /* CONFIG_SMP */
+
+#define cpu_coregroup_map(cpu)                  (cpu_core_map[cpu])
+
+#endif /* _ASM_SPARC64_TOPOLOGY_H */