X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_power%2Fpower_pstate_cpufreq.h;h=0be0bd6b818054fceb13bc9b7f5ac3349842a816;hb=ec0b862d5e52db12932c3125d06081307aea6af4;hp=6fd801881f2571d6b1e5646e43b3e674cb335812;hpb=e6c6dc0f96c8b2b353061ae27b1059038189b709;p=dpdk.git

diff --git a/lib/librte_power/power_pstate_cpufreq.h b/lib/librte_power/power_pstate_cpufreq.h
index 6fd801881f..0be0bd6b81 100644
--- a/lib/librte_power/power_pstate_cpufreq.h
+++ b/lib/librte_power/power_pstate_cpufreq.h
@@ -20,6 +20,16 @@
 extern "C" {
 #endif
 
+/**
+ * Check if pstate power management is supported.
+ *
+ * @return
+ *   - 1 if supported
+ *   - 0 if unsupported
+ *   - -1 if error, with rte_errno indicating reason for error.
+ */
+int power_pstate_cpufreq_check_supported(void);
+
 /**
  * Initialize power management for a specific lcore. It will check and set the
  * governor to performance for the lcore, get the available frequencies, and