powerpc: Move include files to arch/powerpc/include/asm

[linux-2.6-omap-h63xx.git] / arch / powerpc / include / asm / topology.h

diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
new file mode 100644 (file)
index 0000000..c32da6f
--- /dev/null
+++ b/arch/powerpc/include/asm/topology.h
@@ -0,0 +1,117 @@
+#ifndef _ASM_POWERPC_TOPOLOGY_H
+#define _ASM_POWERPC_TOPOLOGY_H
+#ifdef __KERNEL__
+
+
+struct sys_device;
+struct device_node;
+
+#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];
+}
+
+static inline int node_to_first_cpu(int node)
+{
+       cpumask_t tmp;
+       tmp = node_to_cpumask(node);
+       return first_cpu(tmp);
+}
+
+int of_node_to_nid(struct device_node *device);
+
+struct pci_bus;
+#ifdef CONFIG_PCI
+extern int pcibus_to_node(struct pci_bus *bus);
+#else
+static inline int pcibus_to_node(struct pci_bus *bus)
+{
+       return -1;
+}
+#endif
+
+#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
+                                       CPU_MASK_ALL : \
+                                       node_to_cpumask(pcibus_to_node(bus)) \
+                               )
+
+/* sched_domains SD_NODE_INIT for PPC64 machines */
+#define SD_NODE_INIT (struct sched_domain) {           \
+       .span                   = CPU_MASK_NONE,        \
+       .parent                 = NULL,                 \
+       .child                  = NULL,                 \
+       .groups                 = NULL,                 \
+       .min_interval           = 8,                    \
+       .max_interval           = 32,                   \
+       .busy_factor            = 32,                   \
+       .imbalance_pct          = 125,                  \
+       .cache_nice_tries       = 1,                    \
+       .busy_idx               = 3,                    \
+       .idle_idx               = 1,                    \
+       .newidle_idx            = 2,                    \
+       .wake_idx               = 1,                    \
+       .flags                  = SD_LOAD_BALANCE       \
+                               | SD_BALANCE_EXEC       \
+                               | SD_BALANCE_NEWIDLE    \
+                               | SD_WAKE_IDLE          \
+                               | SD_SERIALIZE          \
+                               | SD_WAKE_BALANCE,      \
+       .last_balance           = jiffies,              \
+       .balance_interval       = 1,                    \
+       .nr_balance_failed      = 0,                    \
+}
+
+extern void __init dump_numa_cpu_topology(void);
+
+extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
+extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
+
+#else
+
+static inline int of_node_to_nid(struct device_node *device)
+{
+       return 0;
+}
+
+static inline void dump_numa_cpu_topology(void) {}
+
+static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
+{
+       return 0;
+}
+
+static inline void sysfs_remove_device_from_node(struct sys_device *dev,
+                                               int nid)
+{
+}
+
+#endif /* CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
+#ifdef CONFIG_SMP
+#include <asm/cputable.h>
+#define smt_capable()          (cpu_has_feature(CPU_FTR_SMT))
+
+#ifdef CONFIG_PPC64
+#include <asm/smp.h>
+
+#define topology_thread_siblings(cpu)  (per_cpu(cpu_sibling_map, cpu))
+#define topology_core_siblings(cpu)    (per_cpu(cpu_core_map, cpu))
+#define topology_core_id(cpu)          (cpu_to_core_id(cpu))
+#endif
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_TOPOLOGY_H */