tools/power/cpupower/lib/sysfs.h

   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);