diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.h | 28 |
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
|