git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5028 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			152 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			152 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file 
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| 
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|   Implements get/set firmware volume attributes
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| 
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| Copyright (c) 2006 - 2008, Intel Corporation                                                         
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| All rights reserved. This program and the accompanying materials                          
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| are licensed and made available under the terms and conditions of the BSD License         
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| which accompanies this distribution.  The full text of the license may be found at        
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| http://opensource.org/licenses/bsd-license.php                                            
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|                                                                                           
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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| 
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| **/
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| 
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| #include <DxeMain.h>
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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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| 
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| Routine Description:
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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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| 
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| Arguments:
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|     This        - Calling context
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|     Attributes  - output buffer which contains attributes
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| 
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| Returns:
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|     EFI_SUCCESS         - Successfully got volume attributes
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| 
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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                        FvbAttributes;
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| 
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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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|   if (FvDevice->CachedFv == NULL) {
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|     Status = FvCheck (FvDevice);
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|     if (EFI_ERROR (Status)) {
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|       return Status;
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|     }
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|   }
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| 
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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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|   //
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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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|   
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|   *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes; 
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|   
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|   return Status;
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| }
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| 
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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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| 
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| Routine Description:
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|     Sets current attributes for volume
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| 
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| Arguments:
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|     This       - Calling context
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|     Attributes - At input, contains attributes to be set.  At output contains
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|       new value of FV
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| 
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| Returns:
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|     EFI_UNSUPPORTED   - Could not be set.
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| 
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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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| 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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| 
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| Routine Description:
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|   Return information of type InformationType for the requested firmware
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|   volume.
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|   
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| Arguments:
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|     This                - Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
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|     InformationType     - InformationType for requested.
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|     BufferSize          - On input, size of Buffer.On output, the amount of
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|                           data returned in Buffer.
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|     Buffer              - A poniter to the data buffer to return.
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| Returns:
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|     EFI_SUCCESS         - Successfully got volume Information.
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| 
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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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| 
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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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| 
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| Routine Description:
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|   Set information of type InformationType for the requested firmware
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|   volume.
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| 
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| Arguments:
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|     This                - Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
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|     InformationType     - InformationType for requested.
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|     BufferSize          - On input, size of Buffer.On output, the amount of
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|                           data returned in Buffer.
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|     Buffer              - A poniter to the data buffer to return.
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| Returns:
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|     EFI_SUCCESS         - Successfully set volume Information.
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| 
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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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| 
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