| #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) |
| |
| #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node]) |
| |
| 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 cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
| cpu_all_mask : \ |
| cpumask_of_node(pcibus_to_node(bus))) |
| |
| /* sched_domains SD_NODE_INIT for PPC64 machines */ |
| #define SD_NODE_INIT (struct sched_domain) { \ |
| .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 = 0, \ |
| .wake_idx = 0, \ |
| .flags = SD_LOAD_BALANCE \ |
| | SD_BALANCE_EXEC \ |
| | SD_BALANCE_FORK \ |
| | SD_BALANCE_NEWIDLE \ |
| | SD_SERIALIZE, \ |
| .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_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) |
| #define topology_core_cpumask(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 */ |