mirror of https://github.com/acidanthera/audk.git
158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/*++
|
|
|
|
Copyright (c) 2006, Intel Corporation
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
Module Name:
|
|
|
|
FwVolAttrib.c
|
|
|
|
Abstract:
|
|
|
|
Implements get/set firmware volume attributes
|
|
|
|
--*/
|
|
|
|
#include <DxeMain.h>
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FvGetVolumeAttributes (
|
|
IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
|
|
OUT EFI_FV_ATTRIBUTES *Attributes
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Retrieves attributes, insures positive polarity of attribute bits, returns
|
|
resulting attributes in output parameter
|
|
|
|
Arguments:
|
|
This - Calling context
|
|
Attributes - output buffer which contains attributes
|
|
|
|
Returns:
|
|
EFI_SUCCESS - Successfully got volume attributes
|
|
|
|
--*/
|
|
{
|
|
EFI_STATUS Status;
|
|
FV_DEVICE *FvDevice;
|
|
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;
|
|
EFI_FVB_ATTRIBUTES FvbAttributes;
|
|
|
|
FvDevice = FV_DEVICE_FROM_THIS (This);
|
|
Fvb = FvDevice->Fvb;
|
|
|
|
if (FvDevice->CachedFv == NULL) {
|
|
Status = FvCheck (FvDevice);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
//
|
|
// First get the Firmware Volume Block Attributes
|
|
//
|
|
Status = Fvb->GetAttributes (Fvb, &FvbAttributes);
|
|
|
|
//
|
|
// Mask out Fvb bits that are not defined in FV
|
|
//
|
|
FvbAttributes &= 0xfffff0ff;
|
|
|
|
*Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes;
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FvSetVolumeAttributes (
|
|
IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
|
|
IN OUT EFI_FV_ATTRIBUTES *Attributes
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Sets current attributes for volume
|
|
|
|
Arguments:
|
|
This - Calling context
|
|
Attributes - At input, contains attributes to be set. At output contains
|
|
new value of FV
|
|
|
|
Returns:
|
|
EFI_UNSUPPORTED - Could not be set.
|
|
|
|
--*/
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FvGetVolumeInfo (
|
|
IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
|
|
IN CONST EFI_GUID *InformationType,
|
|
IN OUT UINTN *BufferSize,
|
|
OUT VOID *Buffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Return information of type InformationType for the requested firmware
|
|
volume.
|
|
|
|
Arguments:
|
|
This - Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
|
|
InformationType - InformationType for requested.
|
|
BufferSize - On input, size of Buffer.On output, the amount of
|
|
data returned in Buffer.
|
|
Buffer - A poniter to the data buffer to return.
|
|
Returns:
|
|
EFI_SUCCESS - Successfully got volume Information.
|
|
|
|
--*/
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FvSetVolumeInfo (
|
|
IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
|
|
IN CONST EFI_GUID *InformationType,
|
|
IN UINTN BufferSize,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Set information of type InformationType for the requested firmware
|
|
volume.
|
|
|
|
Arguments:
|
|
This - Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
|
|
InformationType - InformationType for requested.
|
|
BufferSize - On input, size of Buffer.On output, the amount of
|
|
data returned in Buffer.
|
|
Buffer - A poniter to the data buffer to return.
|
|
Returns:
|
|
EFI_SUCCESS - Successfully set volume Information.
|
|
|
|
--*/
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
|