Change-Id: I12c66b041b801c331d1b631b035bf99d07af763f Signed-off-by: Park Bumgyu <bumgyu.park@samsung.com>
40 lines
993 B
C
40 lines
993 B
C
/*
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* include/linux/arch_topology.h - arch specific cpu topology information
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*/
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#ifndef _LINUX_ARCH_TOPOLOGY_H_
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#define _LINUX_ARCH_TOPOLOGY_H_
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#include <linux/types.h>
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#include <linux/percpu.h>
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void topology_normalize_cpu_scale(void);
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int topology_detect_flags(void);
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int topology_smt_flags(void);
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int topology_core_flags(void);
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int topology_cpu_flags(void);
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int topology_update_cpu_topology(void);
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void topology_update(void);
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struct device_node;
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bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
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DECLARE_PER_CPU(unsigned long, cpu_scale);
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struct sched_domain;
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static inline
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unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
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{
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return per_cpu(cpu_scale, cpu);
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}
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void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);
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DECLARE_PER_CPU(unsigned long, freq_scale);
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static inline
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unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu)
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{
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return per_cpu(freq_scale, cpu);
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}
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#endif /* _LINUX_ARCH_TOPOLOGY_H_ */
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