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TOMOYO Linux Cross Reference
Linux/tools/power/cpupower/lib/sysfs.h

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  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 

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