diff options
Diffstat (limited to 'tools/power/cpupower/lib/sysfs.h')
| -rw-r--r-- | tools/power/cpupower/lib/sysfs.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/power/cpupower/lib/sysfs.h b/tools/power/cpupower/lib/sysfs.h new file mode 100644 index 00000000000..c29e5575be8 --- /dev/null +++ b/tools/power/cpupower/lib/sysfs.h @@ -0,0 +1,21 @@ +/* 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); |