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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * include/linux/arch_topology.h - arch specific cpu topology information
- */
- #ifndef _LINUX_ARCH_TOPOLOGY_H_
- #define _LINUX_ARCH_TOPOLOGY_H_
- #include <linux/types.h>
- #include <linux/percpu.h>
- #include <linux/android_vendor.h>
- void topology_normalize_cpu_scale(void);
- 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)
- {
- return per_cpu(cpu_scale, cpu);
- }
- void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);
- DECLARE_PER_CPU(unsigned long, freq_scale);
- static inline unsigned long topology_get_freq_scale(int cpu)
- {
- return per_cpu(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);
- DECLARE_PER_CPU(unsigned long, thermal_pressure);
- static inline unsigned long topology_get_thermal_pressure(int cpu)
- {
- return per_cpu(thermal_pressure, cpu);
- }
- void topology_set_thermal_pressure(const struct cpumask *cpus,
- unsigned long th_pressure);
- struct cpu_topology {
- int thread_id;
- int core_id;
- int package_id;
- int llc_id;
- cpumask_t thread_sibling;
- cpumask_t core_sibling;
- cpumask_t llc_sibling;
- cpumask_t android_vendor_data1;
- };
- #ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
- extern struct cpu_topology cpu_topology[NR_CPUS];
- #define topology_physical_package_id(cpu) (cpu_topology[cpu].package_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_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);
- void update_siblings_masks(unsigned int cpu);
- void remove_cpu_topology(unsigned int cpuid);
- void reset_cpu_topology(void);
- int parse_acpi_topology(void);
- #endif
- extern bool topology_update_done;
- #endif /* _LINUX_ARCH_TOPOLOGY_H_ */
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