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https://github.com/CloverHackyColor/CloverBootloader.git
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130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/** @file
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Implements get/set firmware volume attributes
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Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "DxeMain.h"
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#include "FwVolDriver.h"
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/**
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Retrieves attributes, insures positive polarity of attribute bits, returns
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resulting attributes in output parameter.
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@param This Calling context
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@param Attributes output buffer which contains attributes
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@retval EFI_SUCCESS Successfully got volume attributes
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**/
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EFI_STATUS
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EFIAPI
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FvGetVolumeAttributes (
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IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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OUT EFI_FV_ATTRIBUTES *Attributes
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)
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{
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EFI_STATUS Status;
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FV_DEVICE *FvDevice;
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
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EFI_FVB_ATTRIBUTES_2 FvbAttributes;
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FvDevice = FV_DEVICE_FROM_THIS (This);
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Fvb = FvDevice->Fvb;
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//
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// First get the Firmware Volume Block Attributes
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//
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Status = Fvb->GetAttributes (Fvb, &FvbAttributes);
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//
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// Mask out Fvb bits that are not defined in FV
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//
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FvbAttributes &= 0xfffff0ff;
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*Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes;
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return Status;
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}
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/**
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Sets current attributes for volume
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@param This Calling context
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@param Attributes At input, contains attributes to be set. At output
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contains new value of FV
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@retval EFI_UNSUPPORTED Could not be set.
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**/
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EFI_STATUS
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EFIAPI
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FvSetVolumeAttributes (
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IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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IN OUT EFI_FV_ATTRIBUTES *Attributes
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Return information of type InformationType for the requested firmware
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volume.
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@param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
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@param InformationType InformationType for requested.
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@param BufferSize On input, size of Buffer.On output, the amount of data
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returned in Buffer.
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@param Buffer A poniter to the data buffer to return.
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@retval EFI_SUCCESS Successfully got volume Information.
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**/
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EFI_STATUS
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EFIAPI
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FvGetVolumeInfo (
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IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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IN CONST EFI_GUID *InformationType,
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IN OUT UINTN *BufferSize,
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OUT VOID *Buffer
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Set information of type InformationType for the requested firmware
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volume.
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@param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
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@param InformationType InformationType for requested.
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@param BufferSize On input, size of Buffer.On output, the amount of data
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returned in Buffer.
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@param Buffer A poniter to the data buffer to return.
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@retval EFI_SUCCESS Successfully set volume Information.
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**/
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EFI_STATUS
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EFIAPI
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FvSetVolumeInfo (
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IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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IN CONST EFI_GUID *InformationType,
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IN UINTN BufferSize,
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IN CONST VOID *Buffer
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)
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{
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return EFI_UNSUPPORTED;
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}
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