1 #ifndef _ASM_POWERPC_TOPOLOGY_H
2 #define _ASM_POWERPC_TOPOLOGY_H
11 #include <asm/mmzone.h>
13 static inline int cpu_to_node(int cpu)
15 return numa_cpu_lookup_table[cpu];
18 #define parent_node(node) (node)
20 static inline cpumask_t node_to_cpumask(int node)
22 return numa_cpumask_lookup_table[node];
25 #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
27 static inline int node_to_first_cpu(int node)
29 return cpumask_first(cpumask_of_node(node));
32 int of_node_to_nid(struct device_node *device);
36 extern int pcibus_to_node(struct pci_bus *bus);
38 static inline int pcibus_to_node(struct pci_bus *bus)
44 #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
46 node_to_cpumask(pcibus_to_node(bus)) \
49 #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
51 cpumask_of_node(pcibus_to_node(bus)))
53 /* sched_domains SD_NODE_INIT for PPC64 machines */
54 #define SD_NODE_INIT (struct sched_domain) { \
61 .imbalance_pct = 125, \
62 .cache_nice_tries = 1, \
67 .flags = SD_LOAD_BALANCE \
69 | SD_BALANCE_NEWIDLE \
73 .last_balance = jiffies, \
74 .balance_interval = 1, \
75 .nr_balance_failed = 0, \
78 extern void __init dump_numa_cpu_topology(void);
80 extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
81 extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
85 static inline int of_node_to_nid(struct device_node *device)
90 static inline void dump_numa_cpu_topology(void) {}
92 static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
97 static inline void sysfs_remove_device_from_node(struct sys_device *dev,
102 #endif /* CONFIG_NUMA */
104 #include <asm-generic/topology.h>
107 #include <asm/cputable.h>
108 #define smt_capable() (cpu_has_feature(CPU_FTR_SMT))
113 #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
114 #define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu))
115 #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
116 #define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu))
117 #define topology_core_id(cpu) (cpu_to_core_id(cpu))
121 #endif /* __KERNEL__ */
122 #endif /* _ASM_POWERPC_TOPOLOGY_H */