| #ifndef _ASM_POWERPC_TOPOLOGY_H |
| #define _ASM_POWERPC_TOPOLOGY_H |
| #ifdef __KERNEL__ |
| |
| #include <linux/config.h> |
| |
| 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); |
| |
| #define pcibus_to_node(node) (-1) |
| #define pcibus_to_cpumask(bus) (cpu_online_map) |
| |
| /* sched_domains SD_NODE_INIT for PPC64 machines */ |
| #define SD_NODE_INIT (struct sched_domain) { \ |
| .span = CPU_MASK_NONE, \ |
| .parent = NULL, \ |
| .groups = NULL, \ |
| .min_interval = 8, \ |
| .max_interval = 32, \ |
| .busy_factor = 32, \ |
| .imbalance_pct = 125, \ |
| .cache_nice_tries = 1, \ |
| .per_cpu_gain = 100, \ |
| .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_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) |
| { |
| } |
| |
| |
| #include <asm-generic/topology.h> |
| |
| #endif /* CONFIG_NUMA */ |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _ASM_POWERPC_TOPOLOGY_H */ |