#endif
/* Power Management Environment State */
-enum power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM};
+enum power_management_env {PM_ENV_NOT_SET, PM_ENV_ACPI_CPUFREQ, PM_ENV_KVM_VM,
+ PM_ENV_PSTATE_CPUFREQ};
/**
* Set the default power management implementation. If this is not called prior
* to rte_power_init(), then auto-detect of the environment will take place.
- * It is not thread safe.
+ * It is thread safe. New env can be set only in unitialized state
+ * (thus rte_power_unset_env must be called if different env was already set).
*
* @param env
* env. The environment in which to initialise Power Management for.
* - 0 on success.
* - Negative on error.
*/
-int rte_power_init(unsigned lcore_id);
+int rte_power_init(unsigned int lcore_id);
/**
* Exit power management on a specific lcore. This will call the environment
* - 0 on success.
* - Negative on error.
*/
-int rte_power_exit(unsigned lcore_id);
+int rte_power_exit(unsigned int lcore_id);
/**
* Get the available frequencies of a specific lcore.
* @return
* The number of available frequencies.
*/
-typedef uint32_t (*rte_power_freqs_t)(unsigned lcore_id, uint32_t *freqs,
+typedef uint32_t (*rte_power_freqs_t)(unsigned int lcore_id, uint32_t *freqs,
uint32_t num);
extern rte_power_freqs_t rte_power_freqs;
* @return
* The current index of available frequencies.
*/
-typedef uint32_t (*rte_power_get_freq_t)(unsigned lcore_id);
+typedef uint32_t (*rte_power_get_freq_t)(unsigned int lcore_id);
extern rte_power_get_freq_t rte_power_get_freq;
* - 0 on success without frequency changed.
* - Negative on error.
*/
-typedef int (*rte_power_set_freq_t)(unsigned lcore_id, uint32_t index);
+typedef int (*rte_power_set_freq_t)(unsigned int lcore_id, uint32_t index);
extern rte_power_set_freq_t rte_power_set_freq;
* - 0 on success without frequency changed.
* - Negative on error.
*/
-typedef int (*rte_power_freq_change_t)(unsigned lcore_id);
+typedef int (*rte_power_freq_change_t)(unsigned int lcore_id);
/**
* Scale up the frequency of a specific lcore according to the available
*/
extern rte_power_freq_change_t rte_power_freq_disable_turbo;
+/**
+ * Power capabilities summary.
+ */
+struct rte_power_core_capabilities {
+ RTE_STD_C11
+ union {
+ uint64_t capabilities;
+ RTE_STD_C11
+ struct {
+ uint64_t turbo:1; /**< Turbo can be enabled. */
+ uint64_t priority:1; /**< SST-BF high freq core */
+ };
+ };
+};
+
+/**
+ * Returns power capabilities for a specific lcore.
+ * Function pointer definition. Review each environments
+ * specific documentation for usage.
+ *
+ * @param lcore_id
+ * lcore id.
+ * @param caps
+ * pointer to rte_power_core_capabilities object.
+ *
+ * @return
+ * - 0 on success.
+ * - Negative on error.
+ */
+typedef int (*rte_power_get_capabilities_t)(unsigned int lcore_id,
+ struct rte_power_core_capabilities *caps);
+
+extern rte_power_get_capabilities_t rte_power_get_capabilities;
#ifdef __cplusplus
}