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#ifndef __XEN_PROCESSOR_PM_H__
#define __XEN_PROCESSOR_PM_H__
#include <public/platform.h>
#include <public/sysctl.h>
#include <xen/acpi.h>
#define XEN_PX_INIT 0x80000000
int powernow_cpufreq_init(void);
unsigned int powernow_register_driver(void);
unsigned int get_measured_perf(unsigned int cpu, unsigned int flag);
void cpufreq_residency_update(unsigned int, uint8_t);
void cpufreq_statistic_update(unsigned int, uint8_t, uint8_t);
int cpufreq_statistic_init(unsigned int);
void cpufreq_statistic_exit(unsigned int);
void cpufreq_statistic_reset(unsigned int);
int cpufreq_limit_change(unsigned int);
int cpufreq_add_cpu(unsigned int);
int cpufreq_del_cpu(unsigned int);
struct processor_performance {
uint32_t state;
uint32_t platform_limit;
struct xen_pct_register control_register;
struct xen_pct_register status_register;
uint32_t state_count;
struct xen_processor_px *states;
struct xen_psd_package domain_info;
uint32_t shared_type;
uint32_t init;
};
struct processor_pminfo {
uint32_t acpi_id;
uint32_t id;
struct processor_performance perf;
};
extern struct processor_pminfo *processor_pminfo[NR_CPUS];
struct px_stat {
uint8_t total; /* total Px states */
uint8_t usable; /* usable Px states */
uint8_t last; /* last Px state */
uint8_t cur; /* current Px state */
uint64_t *trans_pt; /* Px transition table */
pm_px_val_t *pt;
};
struct pm_px {
struct px_stat u;
uint64_t prev_state_wall;
uint64_t prev_idle_wall;
};
DECLARE_PER_CPU(struct pm_px *, cpufreq_statistic_data);
int cpufreq_cpu_init(unsigned int cpuid);
#endif /* __XEN_PROCESSOR_PM_H__ */
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