1 files changed, 28 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h b/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h
new file mode 100644
index 000000000..b5018dcf1
--- /dev/null
+++ b/roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h
@@ -0,0 +1,28 @@
+/** @file
+  Power management support functions declaration for PCI Bus module.
+
+Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _EFI_PCI_POWER_MANAGEMENT_H_
+#define _EFI_PCI_POWER_MANAGEMENT_H_
+
+/**
+  This function is intended to turn off PWE assertion and
+  put the device to D0 state if the device supports
+  PCI Power Management.
+
+  @param PciIoDevice      PCI device instance.
+
+  @retval EFI_UNSUPPORTED PCI Device does not support power management.
+  @retval EFI_SUCCESS     Turned off PWE successfully.
+
+**/
+EFI_STATUS
+ResetPowerManagementFeature (
+  IN PCI_IO_DEVICE *PciIoDevice
+  );
+
+#endif