+/**\r
+ Detects if Protected Processor Inventory Number feature supported on current \r
+ processor.\r
+\r
+ @param[in] ProcessorNumber The index of the CPU executing this function.\r
+ @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
+ structure for the CPU executing this function.\r
+ @param[in] ConfigData A pointer to the configuration buffer returned\r
+ by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
+ CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
+ RegisterCpuFeature().\r
+\r
+ @retval TRUE Protected Processor Inventory Number feature is supported.\r
+ @retval FALSE Protected Processor Inventory Number feature is not supported.\r
+\r
+ @note This service could be called by BSP/APs.\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+PpinSupport (\r
+ IN UINTN ProcessorNumber,\r
+ IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
+ IN VOID *ConfigData OPTIONAL\r
+ );\r
+\r
+/**\r
+ Initializes Protected Processor Inventory Number feature to specific state.\r
+\r
+ @param[in] ProcessorNumber The index of the CPU executing this function.\r
+ @param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
+ structure for the CPU executing this function.\r
+ @param[in] ConfigData A pointer to the configuration buffer returned\r
+ by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
+ CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
+ RegisterCpuFeature().\r
+ @param[in] State If TRUE, then the Protected Processor Inventory \r
+ Number feature must be enabled.\r
+ If FALSE, then the Protected Processor Inventory \r
+ Number feature must be disabled.\r
+\r
+ @retval RETURN_SUCCESS Protected Processor Inventory Number feature is \r
+ initialized.\r
+ @retval RETURN_DEVICE_ERROR Device can't change state because it has been \r
+ locked.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+PpinInitialize (\r
+ IN UINTN ProcessorNumber,\r
+ IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
+ IN VOID *ConfigData, OPTIONAL\r
+ IN BOOLEAN State\r
+ );\r
+\r