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 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include "DxeMain.h"
  10 #include "FwVolDriver.h"
  11
  12 /**
  13   Retrieves attributes, insures positive polarity of attribute bits, returns
  14   resulting attributes in output parameter.
  15
  16   @param  This             Calling context
  17   @param  Attributes       output buffer which contains attributes
  18
  19   @retval EFI_SUCCESS      Successfully got volume attributes
  20
  21 **/
  22 EFI_STATUS
  23 EFIAPI
  24 FvGetVolumeAttributes (
  25   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL  *This,
  26   OUT       EFI_FV_ATTRIBUTES              *Attributes
  27   )
  28 {
  29   EFI_STATUS                          Status;
  30   FV_DEVICE                           *FvDevice;
  31   EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *Fvb;
  32   EFI_FVB_ATTRIBUTES_2                FvbAttributes;
  33
  34   FvDevice = FV_DEVICE_FROM_THIS (This);
  35   Fvb      = FvDevice->Fvb;
  36
  37   //
  38   // First get the Firmware Volume Block Attributes
  39   //
  40   Status = Fvb->GetAttributes (Fvb, &FvbAttributes);
  41
  42   //
  43   // Mask out Fvb bits that are not defined in FV
  44   //
  45   FvbAttributes &= 0xfffff0ff;
  46
  47   *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes;
  48
  49   return Status;
  50 }
  51
  52 /**
  53   Sets current attributes for volume
  54
  55   @param  This             Calling context
  56   @param  Attributes       At input, contains attributes to be set.  At output
  57                            contains new value of FV
  58
  59   @retval EFI_UNSUPPORTED  Could not be set.
  60
  61 **/
  62 EFI_STATUS
  63 EFIAPI
  64 FvSetVolumeAttributes (
  65   IN     CONST EFI_FIRMWARE_VOLUME2_PROTOCOL  *This,
  66   IN OUT       EFI_FV_ATTRIBUTES              *Attributes
  67   )
  68 {
  69   return EFI_UNSUPPORTED;
  70 }
  71
  72 /**
  73   Return information of type InformationType for the requested firmware
  74   volume.
  75
  76   @param  This             Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
  77   @param  InformationType  InformationType for requested.
  78   @param  BufferSize       On input, size of Buffer.On output, the amount of data
  79                            returned in Buffer.
  80   @param  Buffer           A poniter to the data buffer to return.
  81
  82   @retval EFI_SUCCESS      Successfully got volume Information.
  83
  84 **/
  85 EFI_STATUS
  86 EFIAPI
  87 FvGetVolumeInfo (
  88   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL  *This,
  89   IN  CONST EFI_GUID                       *InformationType,
  90   IN OUT UINTN                             *BufferSize,
  91   OUT VOID                                 *Buffer
  92   )
  93 {
  94   return EFI_UNSUPPORTED;
  95 }
  96
  97 /**
  98   Set information of type InformationType for the requested firmware
  99   volume.
 100
 101   @param  This             Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.
 102   @param  InformationType  InformationType for requested.
 103   @param  BufferSize       On input, size of Buffer.On output, the amount of data
 104                            returned in Buffer.
 105   @param  Buffer           A poniter to the data buffer to return.
 106
 107   @retval EFI_SUCCESS      Successfully set volume Information.
 108
 109 **/
 110 EFI_STATUS
 111 EFIAPI
 112 FvSetVolumeInfo (
 113   IN  CONST EFI_FIRMWARE_VOLUME2_PROTOCOL  *This,
 114   IN  CONST EFI_GUID                       *InformationType,
 115   IN  UINTN                                BufferSize,
 116   IN CONST  VOID                           *Buffer
 117   )
 118 {
 119   return EFI_UNSUPPORTED;
 120 }