1 /* General */ 2 extern unsigned int sysfs_cpu_exists(unsigned int cpu); 3 4 /* CPUfreq */ 5 extern unsigned long sysfs_get_freq_kernel(unsigned int cpu); 6 extern unsigned long sysfs_get_freq_hardware(unsigned int cpu); 7 extern unsigned long sysfs_get_freq_transition_latency(unsigned int cpu); 8 extern int sysfs_get_freq_hardware_limits(unsigned int cpu, 9 unsigned long *min, unsigned long *max); 10 extern char *sysfs_get_freq_driver(unsigned int cpu); 11 extern struct cpufreq_policy *sysfs_get_freq_policy(unsigned int cpu); 12 extern struct cpufreq_available_governors *sysfs_get_freq_available_governors( 13 unsigned int cpu); 14 extern struct cpufreq_available_frequencies *sysfs_get_available_frequencies( 15 unsigned int cpu); 16 extern struct cpufreq_affected_cpus *sysfs_get_freq_affected_cpus( 17 unsigned int cpu); 18 extern struct cpufreq_affected_cpus *sysfs_get_freq_related_cpus( 19 unsigned int cpu); 20 extern struct cpufreq_stats *sysfs_get_freq_stats(unsigned int cpu, 21 unsigned long long *total_time); 22 extern unsigned long sysfs_get_freq_transitions(unsigned int cpu); 23 extern int sysfs_set_freq_policy(unsigned int cpu, 24 struct cpufreq_policy *policy); 25 extern int sysfs_modify_freq_policy_min(unsigned int cpu, 26 unsigned long min_freq); 27 extern int sysfs_modify_freq_policy_max(unsigned int cpu, 28 unsigned long max_freq); 29 extern int sysfs_modify_freq_policy_governor(unsigned int cpu, char *governor); 30 extern int sysfs_set_frequency(unsigned int cpu, 31 unsigned long target_frequency); 32