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Diffstat (limited to 'include/linux/arch_topology.h')
-rw-r--r--include/linux/arch_topology.h46
1 files changed, 32 insertions, 14 deletions
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 0f6cd6b73a61..d72d6e5aa200 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -14,45 +14,59 @@ int topology_update_cpu_topology(void);
struct device_node;
bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
-DECLARE_PER_CPU(unsigned long, cpu_scale);
-static inline unsigned long topology_get_cpu_scale(int cpu)
+DECLARE_PER_CPU(unsigned long, capacity_freq_ref);
+
+static inline unsigned long topology_get_freq_ref(int cpu)
{
- return per_cpu(cpu_scale, cpu);
+ return per_cpu(capacity_freq_ref, cpu);
}
-void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);
-
-DECLARE_PER_CPU(unsigned long, freq_scale);
+DECLARE_PER_CPU(unsigned long, arch_freq_scale);
static inline unsigned long topology_get_freq_scale(int cpu)
{
- return per_cpu(freq_scale, cpu);
+ return per_cpu(arch_freq_scale, cpu);
}
void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
unsigned long max_freq);
bool topology_scale_freq_invariant(void);
-bool arch_freq_counters_available(const struct cpumask *cpus);
+enum scale_freq_source {
+ SCALE_FREQ_SOURCE_CPUFREQ = 0,
+ SCALE_FREQ_SOURCE_ARCH,
+ SCALE_FREQ_SOURCE_CPPC,
+ SCALE_FREQ_SOURCE_VIRT,
+};
+
+struct scale_freq_data {
+ enum scale_freq_source source;
+ void (*set_freq_scale)(void);
+};
+
+void topology_scale_freq_tick(void);
+void topology_set_scale_freq_source(struct scale_freq_data *data, const struct cpumask *cpus);
+void topology_clear_scale_freq_source(enum scale_freq_source source, const struct cpumask *cpus);
-DECLARE_PER_CPU(unsigned long, thermal_pressure);
+DECLARE_PER_CPU(unsigned long, hw_pressure);
-static inline unsigned long topology_get_thermal_pressure(int cpu)
+static inline unsigned long topology_get_hw_pressure(int cpu)
{
- return per_cpu(thermal_pressure, cpu);
+ return per_cpu(hw_pressure, cpu);
}
-void topology_set_thermal_pressure(const struct cpumask *cpus,
- unsigned long th_pressure);
+void topology_update_hw_pressure(const struct cpumask *cpus,
+ unsigned long capped_freq);
struct cpu_topology {
int thread_id;
int core_id;
+ int cluster_id;
int package_id;
- int llc_id;
cpumask_t thread_sibling;
cpumask_t core_sibling;
+ cpumask_t cluster_sibling;
cpumask_t llc_sibling;
};
@@ -60,17 +74,21 @@ struct cpu_topology {
extern struct cpu_topology cpu_topology[NR_CPUS];
#define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
+#define topology_cluster_id(cpu) (cpu_topology[cpu].cluster_id)
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
+#define topology_cluster_cpumask(cpu) (&cpu_topology[cpu].cluster_sibling)
#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
+const struct cpumask *cpu_clustergroup_mask(int cpu);
void update_siblings_masks(unsigned int cpu);
void remove_cpu_topology(unsigned int cpuid);
void reset_cpu_topology(void);
int parse_acpi_topology(void);
+void freq_inv_set_max_ratio(int cpu, u64 max_rate);
#endif
#endif /* _LINUX_ARCH_TOPOLOGY_H_ */