diff options
Diffstat (limited to 'arch/sparc/include/asm/topology_64.h')
-rw-r--r-- | arch/sparc/include/asm/topology_64.h | 74 |
1 files changed, 74 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 00000000..8b9c556d --- /dev/null +++ b/arch/sparc/include/asm/topology_64.h @@ -0,0 +1,74 @@ +#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) + +#define cpumask_of_node(node) ((node) == -1 ? \ + cpu_all_mask : \ + &numa_cpumask_lookup_table[node]) + +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 cpumask_of_pcibus(bus) \ + (pcibus_to_node(bus) == -1 ? \ + cpu_all_mask : \ + cpumask_of_node(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 = 0, \ + .forkexec_idx = 0, \ + .flags = SD_LOAD_BALANCE \ + | SD_BALANCE_FORK \ + | SD_BALANCE_EXEC \ + | SD_SERIALIZE, \ + .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_cpumask(cpu) (&cpu_core_map[cpu]) +#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) +#define mc_capable() (sparc64_multi_core) +#define smt_capable() (sparc64_multi_core) +#endif /* CONFIG_SMP */ + +extern cpumask_t cpu_core_map[NR_CPUS]; +static inline const struct cpumask *cpu_coregroup_mask(int cpu) +{ + return &cpu_core_map[cpu]; +} + +#endif /* _ASM_SPARC64_TOPOLOGY_H */ |