diff options
Diffstat (limited to 'tools/power/cpupower/lib/sysfs.h')
| -rw-r--r-- | tools/power/cpupower/lib/sysfs.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/power/cpupower/lib/sysfs.h b/tools/power/cpupower/lib/sysfs.h new file mode 100644 index 00000000..c76a5e0a --- /dev/null +++ b/tools/power/cpupower/lib/sysfs.h @@ -0,0 +1,31 @@ +/* General */ +extern unsigned int sysfs_cpu_exists(unsigned int cpu); + +/* CPUfreq */ +extern unsigned long sysfs_get_freq_kernel(unsigned int cpu); +extern unsigned long sysfs_get_freq_hardware(unsigned int cpu); +extern unsigned long sysfs_get_freq_transition_latency(unsigned int cpu); +extern int sysfs_get_freq_hardware_limits(unsigned int cpu, + unsigned long *min, unsigned long *max); +extern char *sysfs_get_freq_driver(unsigned int cpu); +extern struct cpufreq_policy *sysfs_get_freq_policy(unsigned int cpu); +extern struct cpufreq_available_governors *sysfs_get_freq_available_governors( + unsigned int cpu); +extern struct cpufreq_available_frequencies *sysfs_get_available_frequencies( + unsigned int cpu); +extern struct cpufreq_affected_cpus *sysfs_get_freq_affected_cpus( + unsigned int cpu); +extern struct cpufreq_affected_cpus *sysfs_get_freq_related_cpus( + unsigned int cpu); +extern struct cpufreq_stats *sysfs_get_freq_stats(unsigned int cpu, + unsigned long long *total_time); +extern unsigned long sysfs_get_freq_transitions(unsigned int cpu); +extern int sysfs_set_freq_policy(unsigned int cpu, + struct cpufreq_policy *policy); +extern int sysfs_modify_freq_policy_min(unsigned int cpu, + unsigned long min_freq); +extern int sysfs_modify_freq_policy_max(unsigned int cpu, + unsigned long max_freq); +extern int sysfs_modify_freq_policy_governor(unsigned int cpu, char *governor); +extern int sysfs_set_frequency(unsigned int cpu, + unsigned long target_frequency); |