MdeModulePkg/Core/Dxe/FwVol/FwVolAttrib.c

   1 /** @file
   2   Implements get/set firmware volume attributes
   3
   4 Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
   5 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "DxeMain.h"
  16 #include "FwVolDriver.h"
  17
  18
  19 /**
  20   Retrieves attributes, insures positive polarity of attribute bits, returns
  21   resulting attributes in output parameter.
  22
  23   @param  This             Calling context
  24   @param  Attributes       output buffer which contains attributes
  25
  26   @retval EFI_SUCCESS      Successfully got volume attributes
  27
  28 **/
  29 EFI_STATUS
  30 EFIAPI
  31 FvGetVolumeAttributes (
  32   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
  33   OUT       EFI_FV_ATTRIBUTES             *Attributes
  34   )
  35 {
  36   EFI_STATUS                                Status;
  37   FV_DEVICE                                 *FvDevice;
  38   EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL        *Fvb;
  39   EFI_FVB_ATTRIBUTES_2                      FvbAttributes;
  40
  41   FvDevice = FV_DEVICE_FROM_THIS (This);
  42   Fvb = FvDevice->Fvb;
  43
  44   //
  45   // First get the Firmware Volume Block Attributes
  46   //
  47   Status = Fvb->GetAttributes (Fvb, &FvbAttributes);
  48
  49   //
  50   // Mask out Fvb bits that are not defined in FV
  51   //
  52   FvbAttributes &= 0xfffff0ff;
  53
  54   *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes;
  55
  56   return Status;
  57 }
  58
  59
  60
  61 /**
  62   Sets current attributes for volume
  63
  64   @param  This             Calling context
  65   @param  Attributes       At input, contains attributes to be set.  At output
  66                            contains new value of FV
  67
  68   @retval EFI_UNSUPPORTED  Could not be set.
  69
  70 **/
  71 EFI_STATUS
  72 EFIAPI
  73 FvSetVolumeAttributes (
  74   IN     CONST EFI_FIRMWARE_VOLUME2_PROTOCOL  *This,
  75   IN OUT       EFI_FV_ATTRIBUTES              *Attributes
  76   )
  77 {
  78   return EFI_UNSUPPORTED;
  79 }
  80
  81
  82 /**
  83   Return information of type InformationType for the requested firmware
  84   volume.
  85
  86   @param  This             Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
  87   @param  InformationType  InformationType for requested.
  88   @param  BufferSize       On input, size of Buffer.On output, the amount of data
  89                            returned in Buffer.
  90   @param  Buffer           A poniter to the data buffer to return.
  91
  92   @retval EFI_SUCCESS      Successfully got volume Information.
  93
  94 **/
  95 EFI_STATUS
  96 EFIAPI
  97 FvGetVolumeInfo (
  98   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL       *This,
  99   IN  CONST EFI_GUID                            *InformationType,
 100   IN OUT UINTN                                  *BufferSize,
 101   OUT VOID                                      *Buffer
 102   )
 103 {
 104   return EFI_UNSUPPORTED;
 105 }
 106
 107
 108
 109 /**
 110   Set information of type InformationType for the requested firmware
 111   volume.
 112
 113   @param  This             Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
 114   @param  InformationType  InformationType for requested.
 115   @param  BufferSize       On input, size of Buffer.On output, the amount of data
 116                            returned in Buffer.
 117   @param  Buffer           A poniter to the data buffer to return.
 118
 119   @retval EFI_SUCCESS      Successfully set volume Information.
 120
 121 **/
 122 EFI_STATUS
 123 EFIAPI
 124 FvSetVolumeInfo (
 125   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL       *This,
 126   IN  CONST EFI_GUID                            *InformationType,
 127   IN  UINTN                                     BufferSize,
 128   IN CONST  VOID                                *Buffer
 129   )
 130 {
 131   return EFI_UNSUPPORTED;
 132 }
 133
 134
 135