#ifndef _ASM_ARM_TOPOLOGY_H #define _ASM_ARM_TOPOLOGY_H #ifdef CONFIG_ARM_CPU_TOPOLOGY #include struct cputopo_arm { int thread_id; int core_id; int socket_id; cpumask_t thread_sibling; cpumask_t core_sibling; }; extern struct cputopo_arm cpu_topology[NR_CPUS]; #define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) #define topology_core_id(cpu) (cpu_topology[cpu].core_id) #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) #define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) #define mc_capable() (cpu_topology[0].socket_id != -1) #define smt_capable() (cpu_topology[0].thread_id != -1) void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); const struct cpumask *cpu_coregroup_mask(int cpu); int cluster_to_logical_mask(unsigned int socket_id, cpumask_t *cluster_mask); #ifdef CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE /* Common values for CPUs */ #ifndef SD_CPU_INIT #define SD_CPU_INIT (struct sched_domain) { \ .min_interval = 1, \ .max_interval = 4, \ .busy_factor = 64, \ .imbalance_pct = 125, \ .cache_nice_tries = 1, \ .busy_idx = 2, \ .idle_idx = 1, \ .newidle_idx = 0, \ .wake_idx = 0, \ .forkexec_idx = 0, \ \ .flags = 0*SD_LOAD_BALANCE \ | 1*SD_BALANCE_NEWIDLE \ | 1*SD_BALANCE_EXEC \ | 1*SD_BALANCE_FORK \ | 0*SD_BALANCE_WAKE \ | 1*SD_WAKE_AFFINE \ | 0*SD_SHARE_CPUPOWER \ | 0*SD_SHARE_PKG_RESOURCES \ | 0*SD_SERIALIZE \ , \ .last_balance = jiffies, \ .balance_interval = 1, \ } #endif #endif /* CONFIG_DISABLE_CPU_SCHED_DOMAIN_BALANCE */ #else static inline void init_cpu_topology(void) { } static inline void store_cpu_topology(unsigned int cpuid) { } static inline int cluster_to_logical_mask(unsigned int socket_id, cpumask_t *cluster_mask) { return -EINVAL; } #endif #include #endif /* _ASM_ARM_TOPOLOGY_H */