git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10905 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			1442 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1442 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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  Provides interface to advanced shell functionality for parsing both handle and protocol database.
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  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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  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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  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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#include "UefiHandleParsingLib.h"
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STATIC CONST EFI_GUID mHandleParsingHiiGuid = \
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  { \
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  0xb8969637, 0x81de, 0x43af, { 0xbc, 0x9a, 0x24, 0xd9, 0x89, 0x13, 0xf2, 0xf6 } \
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  };
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EFI_HANDLE mHandleParsingHiiHandle;
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HANDLE_INDEX_LIST mHandleList = {{{NULL,NULL},0,0},0};
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/**
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  Constructor for the library.
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  @param[in] ImageHandle    Ignored.
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  @param[in] SystemTable    Ignored.
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  @retval EFI_SUCCESS   The operation was successful.
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**/
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EFI_STATUS
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EFIAPI
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HandleParsingLibConstructor (
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  IN EFI_HANDLE        ImageHandle,
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  IN EFI_SYSTEM_TABLE  *SystemTable
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  )
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{
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  mHandleParsingHiiHandle = HiiAddPackages (&mHandleParsingHiiGuid, gImageHandle, UefiHandleParsingLibStrings, NULL);
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  if (mHandleParsingHiiHandle == NULL) {
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    return (EFI_DEVICE_ERROR);
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  }
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  return (EFI_SUCCESS);
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}
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/**
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  Destructor for the library.  free any resources.
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  @param[in] ImageHandle    Ignored.
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  @param[in] SystemTable    Ignored.
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  @retval EFI_SUCCESS   The operation was successful.
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**/
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EFI_STATUS
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EFIAPI
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HandleParsingLibDestructor (
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  IN EFI_HANDLE        ImageHandle,
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  IN EFI_SYSTEM_TABLE  *SystemTable
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  )
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{
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  if (mHandleParsingHiiHandle != NULL) {
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    HiiRemovePackages(mHandleParsingHiiHandle);
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  }
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  return (EFI_SUCCESS);
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}
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/*
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CHAR16*
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EFIAPI
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LoadedImageProtocolDumpInformation(
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  IN CONST EFI_HANDLE TheHandle,
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  IN CONST BOOLEAN    Verbose
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  )
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{
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  EFI_LOADED_IMAGE_PROTOCOL         *Image;
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  EFI_STATUS                        Status;
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  EFI_DEVICE_PATH_PROTOCOL          *DevPath;
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  EFI_DEVICE_PATH_PROTOCOL          *DevPathNode;
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  VOID                              *Buffer;
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  UINTN                             BufferSize;
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  UINT32                            AuthenticationStatus;
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  EFI_GUID                          *NameGuid;
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  EFI_FIRMWARE_VOLUME_PROTOCOL      *FV;
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  EFI_FIRMWARE_VOLUME2_PROTOCOL     *FV2;
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  FV          = NULL;
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  FV2         = NULL;
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  Buffer      = NULL;
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  BufferSize  = 0;
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  Status      = HandleProtocol (
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    TheHandle,
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    &gEfiLoadedImageProtocolGuid,
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    &Image);
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  ASSERT_EFI_ERROR(Status);
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  DevPath     = UnpackDevicePath (Image->FilePath);
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  if (DevPath == NULL) {
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    return NULL;
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  }
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  DevPathNode = DevPath;
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  while (!IsDevicePathEnd (DevPathNode)) {
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    //
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    // Find the Fv File path
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    //
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    NameGuid = GetNameGuidFromFwVolDevicePathNode ((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)DevPathNode);
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    if (NameGuid != NULL) {
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      Status = BS->HandleProtocol (
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                    Image->DeviceHandle,
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                    &gEfiFirmwareVolumeProtocolGuid,
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                    &FV
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                   );
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      if (!EFI_ERROR (Status)) {
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        Status = FV->ReadSection (
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                      FV,
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                      NameGuid,
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                      EFI_SECTION_USER_INTERFACE,
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                      0,
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                      &Buffer,
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                      &BufferSize,
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                      &AuthenticationStatus
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                     );
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        if (!EFI_ERROR (Status)) {
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          break;
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        }
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        Buffer = NULL;
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      } else {
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        Status = BS->HandleProtocol (
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                      Image->DeviceHandle,
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                      &gEfiFirmwareVolume2ProtocolGuid,
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                      &FV2
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                     );
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        if (!EFI_ERROR (Status)) {
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          Status = FV2->ReadSection (
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                          FV2,
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                          NameGuid,
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                          EFI_SECTION_USER_INTERFACE,
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                          0,
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                          &Buffer,
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                          &BufferSize,
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                          &AuthenticationStatus
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                         );
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          if (!EFI_ERROR (Status)) {
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            break;
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          }
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          Buffer = NULL;
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        }
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      }
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    }
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    //
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    // Next device path node
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    //
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    DevPathNode = NextDevicePathNode (DevPathNode);
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  }
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  FreePool (DevPath);
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  return Buffer;
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}
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*/
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/**
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  Function to dump information about SimpleTextOut.
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  This will allocate the return buffer from boot services pool.
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  @param[in] TheHandle      The handle that has SimpleTextOut installed.
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  @param[in] Verbose        TRUE for additional information, FALSE otherwise.
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  @retval A poitner to a string containing the information.
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**/
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CHAR16*
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EFIAPI
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TxtOutProtocolDumpInformation(
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  IN CONST EFI_HANDLE TheHandle,
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  IN CONST BOOLEAN    Verbose
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  )
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{
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  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Dev;
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  INTN                            Index;
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  UINTN                           Col;
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  UINTN                           Row;
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  EFI_STATUS                      Status;
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  CHAR16                          *RetVal;
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  UINTN                           Size;
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  CHAR16                          *Temp;
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  UINTN                           NewSize;
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  if (!Verbose) {
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    return (NULL);
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  }
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  RetVal  = NULL;
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  Size    = 0;
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  Status = gBS->HandleProtocol(
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    TheHandle,
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    &gEfiSimpleTextOutProtocolGuid,
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    (VOID**)&Dev);
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  ASSERT_EFI_ERROR(Status);
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  ASSERT (Dev != NULL && Dev->Mode != NULL);
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  Size = (Dev->Mode->MaxMode + 1) * 80;
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  RetVal = AllocateZeroPool(Size);
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  Temp = HiiGetString(mHandleParsingHiiHandle, STRING_TOKEN(STR_TXT_OUT_DUMP_HEADER), NULL);
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  UnicodeSPrint(RetVal, Size, Temp, Dev, Dev->Mode->Attribute);
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  FreePool(Temp);
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  //
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  // Dump TextOut Info
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  //
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  Temp = HiiGetString(mHandleParsingHiiHandle, STRING_TOKEN(STR_TXT_OUT_DUMP_LINE), NULL);
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  for (Index = 0; Index < Dev->Mode->MaxMode; Index++) {
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    Status = Dev->QueryMode (Dev, Index, &Col, &Row);
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    NewSize = Size - StrSize(RetVal);
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    UnicodeSPrint(
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      RetVal + StrLen(RetVal),
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      NewSize,
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      Temp,
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      Index == Dev->Mode->Mode ? L'*' : L' ',
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      Index,
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      !EFI_ERROR(Status)?Col:-1,
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      !EFI_ERROR(Status)?Row:-1
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     );
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  }
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  FreePool(Temp);
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  return (RetVal);
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}
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STATIC CONST UINTN VersionStringSize = 60;
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/**
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  Function to dump information about EfiDriverSupportedEfiVersion protocol.
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  This will allocate the return buffer from boot services pool.
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  @param[in] TheHandle      The handle that has the protocol installed.
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  @param[in] Verbose        TRUE for additional information, FALSE otherwise.
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  @retval A poitner to a string containing the information.
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**/
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CHAR16*
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EFIAPI
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DriverEfiVersionProtocolDumpInformation(
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  IN CONST EFI_HANDLE TheHandle,
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  IN CONST BOOLEAN    Verbose
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  )
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{
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  EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL *DriverEfiVersion;
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  EFI_STATUS                                Status;
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  CHAR16                                    *RetVal;
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  Status = gBS->HandleProtocol(
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    TheHandle,
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    &gEfiDriverSupportedEfiVersionProtocolGuid,
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    (VOID**)&DriverEfiVersion);
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  ASSERT_EFI_ERROR(Status);
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  RetVal = AllocatePool(VersionStringSize);
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  ASSERT(RetVal != NULL);
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  UnicodeSPrint(RetVal, VersionStringSize, L"0x%08x", DriverEfiVersion->FirmwareVersion);
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  return (RetVal);
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}
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/**
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  Function to dump information about DevicePath protocol.
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  This will allocate the return buffer from boot services pool.
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  @param[in] TheHandle      The handle that has the protocol installed.
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  @param[in] Verbose        TRUE for additional information, FALSE otherwise.
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  @retval A poitner to a string containing the information.
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**/
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CHAR16*
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EFIAPI
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DevicePathProtocolDumpInformation(
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  IN CONST EFI_HANDLE TheHandle,
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  IN CONST BOOLEAN    Verbose
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  )
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{
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  EFI_DEVICE_PATH_PROTOCOL          *DevPath;
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  CHAR16                            *Temp;
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  CHAR16                            *Temp2;
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  EFI_STATUS                        Status;
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  EFI_DEVICE_PATH_TO_TEXT_PROTOCOL  *DevPathToText;
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  Temp = NULL;
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  Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID**)&DevPathToText);
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  if (!EFI_ERROR(Status)) {
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    Status = gBS->OpenProtocol(TheHandle, &gEfiDevicePathProtocolGuid, (VOID**)&DevPath, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
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    if (!EFI_ERROR(Status)) {
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      //
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      // I cannot decide whether to allow shortcuts here (the second BOOLEAN on the next line)
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      //
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      Temp = DevPathToText->ConvertDevicePathToText(DevPath, TRUE, TRUE);
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      gBS->CloseProtocol(TheHandle, &gEfiDevicePathProtocolGuid, gImageHandle, NULL);
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    }
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  }
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  if (Verbose && Temp != NULL && StrLen(Temp) > 30) {
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    Temp2 = NULL;
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    Temp2 = StrnCatGrow(&Temp2, NULL, Temp+(StrLen(Temp) - 30), 30);
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    FreePool(Temp);
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    Temp = Temp2;
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  }
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  return (Temp);
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}
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//
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// Put the information on the NT32 protocol GUIDs here so we are not dependant on the Nt32Pkg
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//
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#define LOCAL_EFI_WIN_NT_THUNK_PROTOCOL_GUID \
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  { \
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    0x58c518b1, 0x76f3, 0x11d4, 0xbc, 0xea, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \
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  }
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#define LOCAL_EFI_WIN_NT_BUS_DRIVER_IO_PROTOCOL_GUID \
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  { \
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    0x96eb4ad6, 0xa32a, 0x11d4, 0xbc, 0xfd, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \
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  }
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#define LOCAL_EFI_WIN_NT_SERIAL_PORT_GUID \
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  { \
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    0xc95a93d, 0xa006, 0x11d4, 0xbc, 0xfa, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 \
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  }
 | 
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STATIC CONST EFI_GUID WinNtThunkProtocolGuid = LOCAL_EFI_WIN_NT_THUNK_PROTOCOL_GUID;
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STATIC CONST EFI_GUID WinNtIoProtocolGuid    = LOCAL_EFI_WIN_NT_BUS_DRIVER_IO_PROTOCOL_GUID;
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STATIC CONST EFI_GUID WinNtSerialPortGuid    = LOCAL_EFI_WIN_NT_SERIAL_PORT_GUID;
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STATIC CONST PROTOCOL_INFO_BLOCK mGuidStringListNT[] = {
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  {STRING_TOKEN(STR_WINNT_THUNK),           (EFI_GUID*)&WinNtThunkProtocolGuid,               NULL},
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						|
  {STRING_TOKEN(STR_WINNT_DRIVER_IO),       (EFI_GUID*)&WinNtIoProtocolGuid,                  NULL},
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						|
  {STRING_TOKEN(STR_WINNT_SERIAL_PORT),     (EFI_GUID*)&WinNtSerialPortGuid,                  NULL},
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						|
  {STRING_TOKEN(STR_UNKNOWN_DEVICE),        NULL,                                             NULL},
 | 
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};
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STATIC CONST PROTOCOL_INFO_BLOCK mGuidStringList[] = {
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						|
  {STRING_TOKEN(STR_LOADED_IMAGE),          &gEfiLoadedImageProtocolGuid,                     NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH),           &gEfiDevicePathProtocolGuid,                      DevicePathProtocolDumpInformation},
 | 
						|
  {STRING_TOKEN(STR_IMAGE_PATH),            &gEfiLoadedImageDevicePathProtocolGuid,           DevicePathProtocolDumpInformation},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_UTIL),      &gEfiDevicePathUtilitiesProtocolGuid,             NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_TXT),       &gEfiDevicePathToTextProtocolGuid,                NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_FTXT),      &gEfiDevicePathFromTextProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_PC),        &gEfiPcAnsiGuid,                                  NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_VT100),     &gEfiVT100Guid,                                   NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_VT100P),    &gEfiVT100PlusGuid,                               NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_PATH_VTUTF8),    &gEfiVTUTF8Guid,                                  NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_BINDING),        &gEfiDriverBindingProtocolGuid,                   NULL},
 | 
						|
  {STRING_TOKEN(STR_PLATFORM_OVERRIDE),     &gEfiPlatformDriverOverrideProtocolGuid,          NULL},
 | 
						|
  {STRING_TOKEN(STR_BUS_OVERRIDE),          &gEfiBusSpecificDriverOverrideProtocolGuid,       NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_DIAG),           &gEfiDriverDiagnosticsProtocolGuid,               NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_DIAG2),          &gEfiDriverDiagnostics2ProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_CN),             &gEfiComponentNameProtocolGuid,                   NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_CN2),            &gEfiComponentName2ProtocolGuid,                  NULL},
 | 
						|
  {STRING_TOKEN(STR_PLAT_DRV_CFG),          &gEfiPlatformToDriverConfigurationProtocolGuid,   NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_VERSION),        &gEfiDriverSupportedEfiVersionProtocolGuid,       DriverEfiVersionProtocolDumpInformation},
 | 
						|
  {STRING_TOKEN(STR_TXT_IN),                &gEfiSimpleTextInProtocolGuid,                    NULL},
 | 
						|
  {STRING_TOKEN(STR_TXT_IN_EX),             &gEfiSimpleTextInputExProtocolGuid,               NULL},
 | 
						|
  {STRING_TOKEN(STR_TXT_OUT),               &gEfiSimpleTextOutProtocolGuid,                   TxtOutProtocolDumpInformation},
 | 
						|
  {STRING_TOKEN(STR_SIM_POINTER),           &gEfiSimplePointerProtocolGuid,                   NULL},
 | 
						|
  {STRING_TOKEN(STR_ABS_POINTER),           &gEfiAbsolutePointerProtocolGuid,                 NULL},
 | 
						|
  {STRING_TOKEN(STR_SERIAL_IO),             &gEfiSerialIoProtocolGuid,                        NULL},
 | 
						|
  {STRING_TOKEN(STR_GRAPHICS_OUTPUT),       &gEfiGraphicsOutputProtocolGuid,                  NULL},
 | 
						|
  {STRING_TOKEN(STR_EDID_DISCOVERED),       &gEfiEdidDiscoveredProtocolGuid,                  NULL},
 | 
						|
  {STRING_TOKEN(STR_EDID_ACTIVE),           &gEfiEdidActiveProtocolGuid,                      NULL},
 | 
						|
  {STRING_TOKEN(STR_EDID_OVERRIDE),         &gEfiEdidOverrideProtocolGuid,                    NULL},
 | 
						|
  {STRING_TOKEN(STR_CON_IN),                &gEfiConsoleInDeviceGuid,                         NULL},
 | 
						|
  {STRING_TOKEN(STR_CON_OUT),               &gEfiConsoleOutDeviceGuid,                        NULL},
 | 
						|
  {STRING_TOKEN(STR_STD_ERR),               &gEfiStandardErrorDeviceGuid,                     NULL},
 | 
						|
  {STRING_TOKEN(STR_LOAD_FILE),             &gEfiLoadFileProtocolGuid,                        NULL},
 | 
						|
  {STRING_TOKEN(STR_LOAD_FILE2),            &gEfiLoadFile2ProtocolGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_SIMPLE_FILE_SYS),       &gEfiSimpleFileSystemProtocolGuid,                NULL},
 | 
						|
  {STRING_TOKEN(STR_FILE_INFO),             &gEfiFileInfoGuid,                                NULL},
 | 
						|
  {STRING_TOKEN(STR_FILE_SYS_INFO),         &gEfiFileSystemInfoGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_TAPE_IO),               &gEfiTapeIoProtocolGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_DISK_IO),               &gEfiDiskIoProtocolGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_BLK_IO),                &gEfiBlockIoProtocolGuid,                         NULL},
 | 
						|
  {STRING_TOKEN(STR_UC),                    &gEfiUnicodeCollationProtocolGuid,                NULL},
 | 
						|
  {STRING_TOKEN(STR_UC2),                   &gEfiUnicodeCollation2ProtocolGuid,               NULL},
 | 
						|
  {STRING_TOKEN(STR_PCIRB_IO),              &gEfiPciRootBridgeIoProtocolGuid,                 NULL},
 | 
						|
  {STRING_TOKEN(STR_PCI_IO),                &gEfiPciIoProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_SCSI_PT),               &gEfiScsiPassThruProtocolGuid,                    NULL},
 | 
						|
  {STRING_TOKEN(STR_SCSI_IO),               &gEfiScsiIoProtocolGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_SCSI_PT_EXT),           &gEfiExtScsiPassThruProtocolGuid,                 NULL},
 | 
						|
  {STRING_TOKEN(STR_ISCSI),                 &gEfiIScsiInitiatorNameProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_USB_IO),                &gEfiUsbIoProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_USB_HC),                &gEfiUsbHcProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_USB_HC2),               &gEfiUsb2HcProtocolGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_DEBUG_SUPPORT),         &gEfiDebugSupportProtocolGuid,                    NULL},
 | 
						|
  {STRING_TOKEN(STR_DEBUG_PORT),            &gEfiDebugPortProtocolGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_DECOMPRESS),            &gEfiDecompressProtocolGuid,                      NULL},
 | 
						|
  {STRING_TOKEN(STR_ACPI_TABLE),            &gEfiAcpiTableProtocolGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_EBC_INTERPRETER),       &gEfiEbcProtocolGuid,                             NULL},
 | 
						|
  {STRING_TOKEN(STR_SNP),                   &gEfiSimpleNetworkProtocolGuid,                   NULL},
 | 
						|
  {STRING_TOKEN(STR_NII),                   &gEfiNetworkInterfaceIdentifierProtocolGuid,      NULL},
 | 
						|
  {STRING_TOKEN(STR_NII_31),                &gEfiNetworkInterfaceIdentifierProtocolGuid_31,   NULL},
 | 
						|
  {STRING_TOKEN(STR_PXE_BC),                &gEfiPxeBaseCodeProtocolGuid,                     NULL},
 | 
						|
  {STRING_TOKEN(STR_PXE_CB),                &gEfiPxeBaseCodeCallbackProtocolGuid,             NULL},
 | 
						|
  {STRING_TOKEN(STR_BIS),                   &gEfiBisProtocolGuid,                             NULL},
 | 
						|
  {STRING_TOKEN(STR_MNP_SB),                &gEfiManagedNetworkServiceBindingProtocolGuid,    NULL},
 | 
						|
  {STRING_TOKEN(STR_MNP),                   &gEfiManagedNetworkProtocolGuid,                  NULL},
 | 
						|
  {STRING_TOKEN(STR_ARP_SB),                &gEfiArpServiceBindingProtocolGuid,               NULL},
 | 
						|
  {STRING_TOKEN(STR_ARP),                   &gEfiArpProtocolGuid,                             NULL},
 | 
						|
  {STRING_TOKEN(STR_DHCPV4_SB),             &gEfiDhcp4ServiceBindingProtocolGuid,             NULL},
 | 
						|
  {STRING_TOKEN(STR_DHCPV4),                &gEfiDhcp4ProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_TCPV4_SB),              &gEfiTcp4ServiceBindingProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_TCPV4),                 &gEfiTcp4ProtocolGuid,                            NULL},
 | 
						|
  {STRING_TOKEN(STR_IPV4_SB),               &gEfiIp4ServiceBindingProtocolGuid,               NULL},
 | 
						|
  {STRING_TOKEN(STR_IPV4),                  &gEfiIp4ProtocolGuid,                             NULL},
 | 
						|
  {STRING_TOKEN(STR_IPV4_CFG),              &gEfiIp4ConfigProtocolGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_SHELL_PARAMETERS),      &gEfiShellParametersProtocolGuid,                 NULL},
 | 
						|
  {STRING_TOKEN(STR_SHELL),                 &gEfiShellProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_EFI_GLOBAL_VARIABLE),   &gEfiGlobalVariableGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_UDPV4_SB),              &gEfiUdp4ServiceBindingProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_UDPV4),                 &gEfiUdp4ProtocolGuid,                            NULL},
 | 
						|
  {STRING_TOKEN(STR_MTFTPV4_SB),            &gEfiMtftp4ServiceBindingProtocolGuid,            NULL},
 | 
						|
  {STRING_TOKEN(STR_MTFTPV4),               &gEfiMtftp4ProtocolGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_AUTH_INFO),             &gEfiAuthenticationInfoProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_HASH_SB),               &gEfiHashServiceBindingProtocolGuid,              NULL},
 | 
						|
  {STRING_TOKEN(STR_HASH),                  &gEfiHashProtocolGuid,                            NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_FONT),              &gEfiHiiFontProtocolGuid,                         NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_STRING),            &gEfiHiiStringProtocolGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_IMAGE),             &gEfiHiiImageProtocolGuid,                        NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_DATABASE),          &gEfiHiiDatabaseProtocolGuid,                     NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_CONFIG_ROUT),       &gEfiHiiConfigRoutingProtocolGuid,                NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_CONFIG_ACC),        &gEfiHiiConfigAccessProtocolGuid,                 NULL},
 | 
						|
  {STRING_TOKEN(STR_HII_FORM_BROWSER2),     &gEfiFormBrowser2ProtocolGuid,                    NULL},
 | 
						|
  {STRING_TOKEN(STR_SHELL_INTERFACE),       &gEfiShellInterfaceGuid,                          NULL},
 | 
						|
  {STRING_TOKEN(STR_SHELL_ENV2),            &gEfiShellEnvironment2Guid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_SHELL_ENV),             &gEfiShellEnvironment2Guid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_DEVICE_IO),             &gEfiDeviceIoProtocolGuid,                        NULL},
 | 
						|
  {STRING_TOKEN(STR_UGA_DRAW),              &gEfiUgaDrawProtocolGuid,                         NULL},
 | 
						|
  {STRING_TOKEN(STR_UGA_IO),                &gEfiUgaIoProtocolGuid,                           NULL},
 | 
						|
  {STRING_TOKEN(STR_ESP),                   &gEfiPartTypeSystemPartGuid,                      NULL},
 | 
						|
  {STRING_TOKEN(STR_GPT_NBR),               &gEfiPartTypeLegacyMbrGuid,                       NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_CONFIG),         &gEfiDriverConfigurationProtocolGuid,             NULL},
 | 
						|
  {STRING_TOKEN(STR_DRIVER_CONFIG2),        &gEfiDriverConfiguration2ProtocolGuid,            NULL},
 | 
						|
  {STRING_TOKEN(STR_UNKNOWN_DEVICE),        NULL,                                             NULL},
 | 
						|
};
 | 
						|
 | 
						|
/**
 | 
						|
  Function to get the node for a protocol or struct from it's GUID.
 | 
						|
 | 
						|
  if Guid is NULL, then ASSERT.
 | 
						|
 | 
						|
  @param[in] Guid               The GUID to look for the name of.
 | 
						|
 | 
						|
  @return                       The node.
 | 
						|
**/
 | 
						|
CONST PROTOCOL_INFO_BLOCK *
 | 
						|
EFIAPI
 | 
						|
InternalShellGetNodeFromGuid(
 | 
						|
  IN CONST EFI_GUID* Guid
 | 
						|
  )
 | 
						|
{
 | 
						|
  CONST PROTOCOL_INFO_BLOCK *ListWalker;
 | 
						|
 | 
						|
  ASSERT(Guid != NULL);
 | 
						|
 | 
						|
  if (PcdGetBool(PcdShellIncludeNtGuids)) {
 | 
						|
    for (ListWalker = mGuidStringListNT ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {
 | 
						|
      if (CompareGuid(ListWalker->GuidId, Guid)) {
 | 
						|
        return (ListWalker);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  for (ListWalker = mGuidStringList ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {
 | 
						|
    if (CompareGuid(ListWalker->GuidId, Guid)) {
 | 
						|
      return (ListWalker);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return (ListWalker);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to get the name of a protocol or struct from it's GUID.
 | 
						|
 | 
						|
  if Guid is NULL, then ASSERT.
 | 
						|
 | 
						|
  @param[in] Guid               The GUID to look for the name of.
 | 
						|
  @param[in] Lang               The language to use.
 | 
						|
 | 
						|
  @return                       pointer to string of the name.  The caller
 | 
						|
                                is responsible to free this memory.
 | 
						|
**/
 | 
						|
CHAR16*
 | 
						|
EFIAPI
 | 
						|
GetStringNameFromGuid(
 | 
						|
  IN CONST EFI_GUID *Guid,
 | 
						|
  IN CONST CHAR8    *Lang OPTIONAL
 | 
						|
  )
 | 
						|
{
 | 
						|
  CONST PROTOCOL_INFO_BLOCK *Id;
 | 
						|
 | 
						|
  Id = InternalShellGetNodeFromGuid(Guid);
 | 
						|
  return (HiiGetString(mHandleParsingHiiHandle, Id->StringId, Lang));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to dump protocol information from a handle.
 | 
						|
 | 
						|
  This function will return a allocated string buffer containing the
 | 
						|
  information.  The caller is responsible for freeing the memory.
 | 
						|
 | 
						|
  If Guid is NULL, ASSERT().
 | 
						|
  If TheHandle is NULL, ASSERT().
 | 
						|
 | 
						|
  @param[in] TheHandle      The handle to dump information from.
 | 
						|
  @param[in] Guid           The GUID of the protocol to dump.
 | 
						|
  @param[in] Verbose        TRUE for extra info.  FALSE otherwise.
 | 
						|
 | 
						|
  @return                   The pointer to string.
 | 
						|
  @retval NULL              An error was encountered.
 | 
						|
**/
 | 
						|
CHAR16*
 | 
						|
EFIAPI
 | 
						|
GetProtocolInformationDump(
 | 
						|
  IN CONST EFI_HANDLE TheHandle,
 | 
						|
  IN CONST EFI_GUID   *Guid,
 | 
						|
  IN CONST BOOLEAN    Verbose
 | 
						|
  )
 | 
						|
{
 | 
						|
  CONST PROTOCOL_INFO_BLOCK *Id;
 | 
						|
 | 
						|
  ASSERT(TheHandle  != NULL);
 | 
						|
  ASSERT(Guid       != NULL);
 | 
						|
 | 
						|
  if (TheHandle == NULL || Guid == NULL) {
 | 
						|
    return (NULL);
 | 
						|
  }
 | 
						|
 | 
						|
  Id = InternalShellGetNodeFromGuid(Guid);
 | 
						|
  if (Id != NULL && Id->DumpInfo != NULL) {
 | 
						|
    return (Id->DumpInfo(TheHandle, Verbose));
 | 
						|
  }
 | 
						|
  return (NULL);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to get the Guid for a protocol or struct based on it's string name.
 | 
						|
 | 
						|
  @param[in] Name           The pointer to the string name.
 | 
						|
  @param[in] Lang           The pointer to the language code.
 | 
						|
  @param[in] Guid           The pointer to the Guid.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS       The operation was sucessful.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
GetGuidFromStringName(
 | 
						|
  IN CONST CHAR16 *Name,
 | 
						|
  IN CONST CHAR8  *Lang OPTIONAL,
 | 
						|
  IN EFI_GUID     **Guid
 | 
						|
  )
 | 
						|
{
 | 
						|
  CONST PROTOCOL_INFO_BLOCK  *ListWalker;
 | 
						|
  CHAR16                     *String;
 | 
						|
 | 
						|
  ASSERT(Guid != NULL);
 | 
						|
  if (Guid == NULL) {
 | 
						|
    return (EFI_INVALID_PARAMETER);
 | 
						|
  }
 | 
						|
  *Guid = NULL;
 | 
						|
 | 
						|
  if (PcdGetBool(PcdShellIncludeNtGuids)) {
 | 
						|
    for (ListWalker = mGuidStringListNT ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {
 | 
						|
      String = HiiGetString(mHandleParsingHiiHandle, ListWalker->StringId, Lang);
 | 
						|
      if (Name != NULL && String != NULL && StrCmp(Name, String)==0) {
 | 
						|
        *Guid = ListWalker->GuidId;
 | 
						|
      }
 | 
						|
      SHELL_FREE_NON_NULL(String);
 | 
						|
      if (*Guid != NULL) {
 | 
						|
        return (EFI_SUCCESS);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
  for (ListWalker = mGuidStringList ; ListWalker != NULL && ListWalker->GuidId != NULL ; ListWalker++) {
 | 
						|
    String = HiiGetString(mHandleParsingHiiHandle, ListWalker->StringId, Lang);
 | 
						|
    if (Name != NULL && String != NULL && StrCmp(Name, String)==0) {
 | 
						|
      *Guid = ListWalker->GuidId;
 | 
						|
    }
 | 
						|
    SHELL_FREE_NON_NULL(String);
 | 
						|
    if (*Guid != NULL) {
 | 
						|
      return (EFI_SUCCESS);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return (EFI_NOT_FOUND);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to retrieve the driver name (if possible) from the ComponentName or
 | 
						|
  ComponentName2 protocol
 | 
						|
 | 
						|
  @param[in] TheHandle      The driver handle to get the name of.
 | 
						|
  @param[in] Language       The language to use.
 | 
						|
 | 
						|
  @retval NULL              The name could not be found.
 | 
						|
  @return                   A pointer to the string name.  Do not de-allocate the memory.
 | 
						|
**/
 | 
						|
CONST CHAR16*
 | 
						|
EFIAPI
 | 
						|
GetStringNameFromHandle(
 | 
						|
  IN CONST EFI_HANDLE TheHandle,
 | 
						|
  IN CONST CHAR8      *Language
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_COMPONENT_NAME2_PROTOCOL  *CompNameStruct;
 | 
						|
  EFI_STATUS                    Status;
 | 
						|
  CHAR16                        *RetVal;
 | 
						|
 | 
						|
  Status = gBS->OpenProtocol(
 | 
						|
    TheHandle,
 | 
						|
    &gEfiComponentName2ProtocolGuid,
 | 
						|
    (VOID**)&CompNameStruct,
 | 
						|
    gImageHandle,
 | 
						|
    NULL,
 | 
						|
    EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 | 
						|
  if (!EFI_ERROR(Status)) {
 | 
						|
    Status = CompNameStruct->GetDriverName(CompNameStruct, (CHAR8*)Language, &RetVal);
 | 
						|
    if (!EFI_ERROR(Status)) {
 | 
						|
      return (RetVal);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  Status = gBS->OpenProtocol(
 | 
						|
    TheHandle,
 | 
						|
    &gEfiComponentNameProtocolGuid,
 | 
						|
    (VOID**)&CompNameStruct,
 | 
						|
    gImageHandle,
 | 
						|
    NULL,
 | 
						|
    EFI_OPEN_PROTOCOL_GET_PROTOCOL);
 | 
						|
  if (!EFI_ERROR(Status)) {
 | 
						|
    Status = CompNameStruct->GetDriverName(CompNameStruct, (CHAR8*)Language, &RetVal);
 | 
						|
    if (!EFI_ERROR(Status)) {
 | 
						|
      return (RetVal);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return (NULL);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to initialize the file global mHandleList object for use in
 | 
						|
  vonverting handles to index and index to handle.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS     The operation was successful.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
InternalShellInitHandleList(
 | 
						|
  VOID
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS   Status;
 | 
						|
  EFI_HANDLE   *HandleBuffer;
 | 
						|
  UINTN        HandleCount;
 | 
						|
  HANDLE_LIST  *ListWalker;
 | 
						|
 | 
						|
  if (mHandleList.NextIndex != 0) {
 | 
						|
    return EFI_SUCCESS;
 | 
						|
  }
 | 
						|
  InitializeListHead(&mHandleList.List.Link);
 | 
						|
  mHandleList.NextIndex = 1;
 | 
						|
  Status = gBS->LocateHandleBuffer (
 | 
						|
                AllHandles,
 | 
						|
                NULL,
 | 
						|
                NULL,
 | 
						|
                &HandleCount,
 | 
						|
                &HandleBuffer
 | 
						|
               );
 | 
						|
  ASSERT_EFI_ERROR(Status);
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    return (Status);
 | 
						|
  }
 | 
						|
  for (mHandleList.NextIndex = 1 ; mHandleList.NextIndex <= HandleCount ; mHandleList.NextIndex++){
 | 
						|
    ListWalker = AllocatePool(sizeof(HANDLE_LIST));
 | 
						|
    ASSERT(ListWalker != NULL);
 | 
						|
    ListWalker->TheHandle = HandleBuffer[mHandleList.NextIndex-1];
 | 
						|
    ListWalker->TheIndex  = mHandleList.NextIndex;
 | 
						|
    InsertTailList(&mHandleList.List.Link,&ListWalker->Link);
 | 
						|
  }
 | 
						|
  FreePool(HandleBuffer);
 | 
						|
  return (EFI_SUCCESS);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to retrieve the human-friendly index of a given handle.  If the handle
 | 
						|
  does not have a index one will be automatically assigned.  The index value is valid
 | 
						|
  until the termination of the shell application.
 | 
						|
 | 
						|
  @param[in] TheHandle    The handle to retrieve an index for.
 | 
						|
 | 
						|
  @retval 0               A memory allocation failed.
 | 
						|
  @return                 The index of the handle.
 | 
						|
 | 
						|
**/
 | 
						|
UINTN
 | 
						|
EFIAPI
 | 
						|
ConvertHandleToHandleIndex(
 | 
						|
  IN CONST EFI_HANDLE TheHandle
 | 
						|
  )
 | 
						|
{
 | 
						|
  HANDLE_LIST *ListWalker;
 | 
						|
  ASSERT(TheHandle!=NULL);
 | 
						|
 | 
						|
  InternalShellInitHandleList();
 | 
						|
 | 
						|
  for (ListWalker = (HANDLE_LIST*)GetFirstNode(&mHandleList.List.Link)
 | 
						|
    ;  !IsNull(&mHandleList.List.Link,&ListWalker->Link)
 | 
						|
    ;  ListWalker = (HANDLE_LIST*)GetNextNode(&mHandleList.List.Link,&ListWalker->Link)
 | 
						|
   ){
 | 
						|
    if (ListWalker->TheHandle == TheHandle) {
 | 
						|
      return (ListWalker->TheIndex);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  ListWalker = AllocatePool(sizeof(HANDLE_LIST));
 | 
						|
  ASSERT(ListWalker != NULL);
 | 
						|
  ListWalker->TheHandle = TheHandle;
 | 
						|
  ListWalker->TheIndex  = mHandleList.NextIndex++;
 | 
						|
  InsertTailList(&mHandleList.List.Link,&ListWalker->Link);
 | 
						|
  return (ListWalker->TheIndex);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/**
 | 
						|
  Function to retrieve the EFI_HANDLE from the human-friendly index.
 | 
						|
 | 
						|
  @param[in] TheIndex     The index to retrieve the EFI_HANDLE for.
 | 
						|
 | 
						|
  @retval NULL            The index was invalid.
 | 
						|
  @return                 The EFI_HANDLE that index represents.
 | 
						|
 | 
						|
**/
 | 
						|
EFI_HANDLE
 | 
						|
EFIAPI
 | 
						|
ConvertHandleIndexToHandle(
 | 
						|
  IN CONST UINTN TheIndex
 | 
						|
  )
 | 
						|
{
 | 
						|
  HANDLE_LIST *ListWalker;
 | 
						|
 | 
						|
  InternalShellInitHandleList();
 | 
						|
 | 
						|
  if (TheIndex >= mHandleList.NextIndex) {
 | 
						|
    return (NULL);
 | 
						|
  }
 | 
						|
 | 
						|
  for (ListWalker = (HANDLE_LIST*)GetFirstNode(&mHandleList.List.Link)
 | 
						|
    ;  !IsNull(&mHandleList.List.Link,&ListWalker->Link)
 | 
						|
    ;  ListWalker = (HANDLE_LIST*)GetNextNode(&mHandleList.List.Link,&ListWalker->Link)
 | 
						|
   ){
 | 
						|
    if (ListWalker->TheIndex == TheIndex) {
 | 
						|
      return (ListWalker->TheHandle);
 | 
						|
    }
 | 
						|
  }
 | 
						|
  return (NULL);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Gets all the related EFI_HANDLEs based on the mask supplied.
 | 
						|
 | 
						|
  This function scans all EFI_HANDLES in the UEFI environment's handle database
 | 
						|
  and returns the ones with the specified relationship (Mask) to the specified
 | 
						|
  controller handle.
 | 
						|
 | 
						|
  If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
 | 
						|
  If MatchingHandleCount is NULL, then ASSERT.
 | 
						|
 | 
						|
  If MatchingHandleBuffer is not NULL upon a successful return the memory must be
 | 
						|
  caller freed.
 | 
						|
 | 
						|
  @param[in] DriverBindingHandle    The handle with Driver Binding protocol on it.
 | 
						|
  @param[in] ControllerHandle       The handle with Device Path protocol on it.
 | 
						|
  @param[in] MatchingHandleCount    The pointer to UINTN that specifies the number of HANDLES in
 | 
						|
                                    MatchingHandleBuffer.
 | 
						|
  @param[out] MatchingHandleBuffer  On a successful return, a buffer of MatchingHandleCount
 | 
						|
                                    EFI_HANDLEs with a terminating NULL EFI_HANDLE.
 | 
						|
  @param[out] HandleType            An array of type information.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS               The operation was successful, and any related handles
 | 
						|
                                    are in MatchingHandleBuffer.
 | 
						|
  @retval EFI_NOT_FOUND             No matching handles were found.
 | 
						|
  @retval EFI_INVALID_PARAMETER     A parameter was invalid or out of range.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ParseHandleDatabaseByRelationshipWithType (
 | 
						|
  IN CONST EFI_HANDLE DriverBindingHandle OPTIONAL,
 | 
						|
  IN CONST EFI_HANDLE ControllerHandle OPTIONAL,
 | 
						|
  IN UINTN            *HandleCount,
 | 
						|
  OUT EFI_HANDLE      **HandleBuffer,
 | 
						|
  OUT UINTN           **HandleType
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS                          Status;
 | 
						|
  UINTN                               HandleIndex;
 | 
						|
  EFI_GUID                            **ProtocolGuidArray;
 | 
						|
  UINTN                               ArrayCount;
 | 
						|
  UINTN                               ProtocolIndex;
 | 
						|
  EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;
 | 
						|
  UINTN                               OpenInfoCount;
 | 
						|
  UINTN                               OpenInfoIndex;
 | 
						|
  UINTN                               ChildIndex;
 | 
						|
 | 
						|
  ASSERT(HandleCount  != NULL);
 | 
						|
  ASSERT(HandleBuffer != NULL);
 | 
						|
  ASSERT(HandleType   != NULL);
 | 
						|
  ASSERT(DriverBindingHandle != NULL || ControllerHandle != NULL);
 | 
						|
 | 
						|
  *HandleCount                  = 0;
 | 
						|
  *HandleBuffer                 = NULL;
 | 
						|
  *HandleType                   = NULL;
 | 
						|
 | 
						|
  //
 | 
						|
  // Retrieve the list of all handles from the handle database
 | 
						|
  //
 | 
						|
  Status = gBS->LocateHandleBuffer (
 | 
						|
                AllHandles,
 | 
						|
                NULL,
 | 
						|
                NULL,
 | 
						|
                HandleCount,
 | 
						|
                HandleBuffer
 | 
						|
               );
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return (Status);
 | 
						|
  }
 | 
						|
 | 
						|
  *HandleType = AllocateZeroPool (*HandleCount * sizeof (UINTN));
 | 
						|
  ASSERT(*HandleType != NULL);
 | 
						|
 | 
						|
  for (HandleIndex = 0; HandleIndex < *HandleCount; HandleIndex++) {
 | 
						|
    //
 | 
						|
    // Retrieve the list of all the protocols on each handle
 | 
						|
    //
 | 
						|
    Status = gBS->ProtocolsPerHandle (
 | 
						|
                  (*HandleBuffer)[HandleIndex],
 | 
						|
                  &ProtocolGuidArray,
 | 
						|
                  &ArrayCount
 | 
						|
                 );
 | 
						|
    if (!EFI_ERROR (Status)) {
 | 
						|
 | 
						|
      for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {
 | 
						|
 | 
						|
        //
 | 
						|
        // Set the bit describing what this handle has
 | 
						|
        //
 | 
						|
        if        (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiLoadedImageProtocolGuid)         ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_IMAGE_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverBindingProtocolGuid)       ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DRIVER_BINDING_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverConfiguration2ProtocolGuid)) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DRIVER_CONFIGURATION_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverConfigurationProtocolGuid) ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DRIVER_CONFIGURATION_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverDiagnostics2ProtocolGuid)  ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DRIVER_DIAGNOSTICS_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDriverDiagnosticsProtocolGuid)   ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DRIVER_DIAGNOSTICS_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiComponentName2ProtocolGuid)      ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_COMPONENT_NAME_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiComponentNameProtocolGuid)       ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_COMPONENT_NAME_HANDLE;
 | 
						|
        } else if (CompareGuid (ProtocolGuidArray[ProtocolIndex], &gEfiDevicePathProtocolGuid)          ) {
 | 
						|
          (*HandleType)[HandleIndex] |= HR_DEVICE_HANDLE;
 | 
						|
        } else {
 | 
						|
          DEBUG_CODE_BEGIN();
 | 
						|
          ASSERT((*HandleType)[HandleIndex] == (*HandleType)[HandleIndex]);
 | 
						|
          DEBUG_CODE_END();
 | 
						|
        }
 | 
						|
        //
 | 
						|
        // Retrieve the list of agents that have opened each protocol
 | 
						|
        //
 | 
						|
        Status = gBS->OpenProtocolInformation (
 | 
						|
                      (*HandleBuffer)[HandleIndex],
 | 
						|
                      ProtocolGuidArray[ProtocolIndex],
 | 
						|
                      &OpenInfo,
 | 
						|
                      &OpenInfoCount
 | 
						|
                     );
 | 
						|
        if (!EFI_ERROR (Status)) {
 | 
						|
          for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {
 | 
						|
            if (DriverBindingHandle != NULL && OpenInfo[OpenInfoIndex].AgentHandle == DriverBindingHandle) {
 | 
						|
              if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) == EFI_OPEN_PROTOCOL_BY_DRIVER) {
 | 
						|
                (*HandleType)[HandleIndex] |= (HR_DEVICE_HANDLE | HR_CONTROLLER_HANDLE);
 | 
						|
              }
 | 
						|
              if (ControllerHandle != NULL && (*HandleBuffer)[HandleIndex] == ControllerHandle) {
 | 
						|
                if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {
 | 
						|
                  for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {
 | 
						|
                    if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].ControllerHandle) {
 | 
						|
                      (*HandleType)[ChildIndex] |= (HR_DEVICE_HANDLE | HR_CHILD_HANDLE);
 | 
						|
                    }
 | 
						|
                  }
 | 
						|
                }
 | 
						|
              }
 | 
						|
            }
 | 
						|
            if (DriverBindingHandle == NULL && OpenInfo[OpenInfoIndex].ControllerHandle == ControllerHandle) {
 | 
						|
              if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_DRIVER) == EFI_OPEN_PROTOCOL_BY_DRIVER) {
 | 
						|
                for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {
 | 
						|
                  if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].AgentHandle) {
 | 
						|
                    (*HandleType)[ChildIndex] |= HR_DEVICE_DRIVER;
 | 
						|
                  }
 | 
						|
                }
 | 
						|
              }
 | 
						|
              if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {
 | 
						|
                (*HandleType)[HandleIndex] |= HR_PARENT_HANDLE;
 | 
						|
                for (ChildIndex = 0; ChildIndex < *HandleCount; ChildIndex++) {
 | 
						|
                  if ((*HandleBuffer)[ChildIndex] == OpenInfo[OpenInfoIndex].AgentHandle) {
 | 
						|
                    (*HandleType)[ChildIndex] |= HR_BUS_DRIVER;
 | 
						|
                  }
 | 
						|
                }
 | 
						|
              }
 | 
						|
            }
 | 
						|
          }
 | 
						|
 | 
						|
          FreePool (OpenInfo);
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      FreePool (ProtocolGuidArray);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    if (*HandleType != NULL) {
 | 
						|
      FreePool (*HandleType);
 | 
						|
    }
 | 
						|
    if (*HandleBuffer != NULL) {
 | 
						|
      FreePool (*HandleBuffer);
 | 
						|
    }
 | 
						|
 | 
						|
    *HandleCount  = 0;
 | 
						|
    *HandleBuffer = NULL;
 | 
						|
    *HandleType   = NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Gets all the related EFI_HANDLEs based on the single EFI_HANDLE and the mask
 | 
						|
  supplied.
 | 
						|
 | 
						|
  This function will scan all EFI_HANDLES in the UEFI environment's handle database
 | 
						|
  and return all the ones with the specified relationship (Mask) to the specified
 | 
						|
  controller handle.
 | 
						|
 | 
						|
  If both DriverBindingHandle and ControllerHandle are NULL, then ASSERT.
 | 
						|
  If MatchingHandleCount is NULL, then ASSERT.
 | 
						|
 | 
						|
  If MatchingHandleBuffer is not NULL upon a sucessful return the memory must be
 | 
						|
  caller freed.
 | 
						|
 | 
						|
  @param[in] DriverBindingHandle    Handle to a object with Driver Binding protocol
 | 
						|
                                    on it.
 | 
						|
  @param[in] ControllerHandle       Handle to a device with Device Path protocol on it.
 | 
						|
  @param[in] Mask                   Mask of what relationship(s) is desired.
 | 
						|
  @param[in] MatchingHandleCount    Poitner to UINTN specifying number of HANDLES in
 | 
						|
                                    MatchingHandleBuffer.
 | 
						|
  @param[out] MatchingHandleBuffer  On a sucessful return a buffer of MatchingHandleCount
 | 
						|
                                    EFI_HANDLEs and a terminating NULL EFI_HANDLE.
 | 
						|
 | 
						|
  @retval EFI_SUCCESS               The operation was sucessful and any related handles
 | 
						|
                                    are in MatchingHandleBuffer;
 | 
						|
  @retval EFI_NOT_FOUND             No matching handles were found.
 | 
						|
  @retval EFI_INVALID_PARAMETER     A parameter was invalid or out of range.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ParseHandleDatabaseByRelationship (
 | 
						|
  IN CONST EFI_HANDLE       DriverBindingHandle OPTIONAL,
 | 
						|
  IN CONST EFI_HANDLE       ControllerHandle OPTIONAL,
 | 
						|
  IN CONST UINTN            Mask,
 | 
						|
  IN UINTN                  *MatchingHandleCount,
 | 
						|
  OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS            Status;
 | 
						|
  UINTN                 HandleCount;
 | 
						|
  EFI_HANDLE            *HandleBuffer;
 | 
						|
  UINTN                 *HandleType;
 | 
						|
  UINTN                 HandleIndex;
 | 
						|
 | 
						|
  ASSERT(MatchingHandleCount != NULL);
 | 
						|
  ASSERT(DriverBindingHandle != NULL || ControllerHandle != NULL);
 | 
						|
 | 
						|
  if ((Mask & HR_VALID_MASK) != Mask) {
 | 
						|
    return (EFI_INVALID_PARAMETER);
 | 
						|
  }
 | 
						|
 | 
						|
  if ((Mask & HR_CHILD_HANDLE) != 0 && DriverBindingHandle == NULL) {
 | 
						|
    return (EFI_INVALID_PARAMETER);
 | 
						|
  }
 | 
						|
 | 
						|
  *MatchingHandleCount = 0;
 | 
						|
  if (MatchingHandleBuffer != NULL) {
 | 
						|
    *MatchingHandleBuffer = NULL;
 | 
						|
  }
 | 
						|
 | 
						|
  HandleBuffer  = NULL;
 | 
						|
  HandleType    = NULL;
 | 
						|
 | 
						|
  Status = ParseHandleDatabaseByRelationshipWithType (
 | 
						|
            DriverBindingHandle,
 | 
						|
            ControllerHandle,
 | 
						|
            &HandleCount,
 | 
						|
            &HandleBuffer,
 | 
						|
            &HandleType
 | 
						|
           );
 | 
						|
  if (!EFI_ERROR (Status)) {
 | 
						|
    //
 | 
						|
    // Count the number of handles that match the attributes in Mask
 | 
						|
    //
 | 
						|
    for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
 | 
						|
      if ((HandleType[HandleIndex] & Mask) == Mask) {
 | 
						|
        (*MatchingHandleCount)++;
 | 
						|
      }
 | 
						|
    }
 | 
						|
    //
 | 
						|
    // If no handles match the attributes in Mask then return EFI_NOT_FOUND
 | 
						|
    //
 | 
						|
    if (*MatchingHandleCount == 0) {
 | 
						|
      Status = EFI_NOT_FOUND;
 | 
						|
    } else {
 | 
						|
 | 
						|
      if (MatchingHandleBuffer == NULL) {
 | 
						|
        //
 | 
						|
        // Someone just wanted the count...
 | 
						|
        //
 | 
						|
        Status = EFI_SUCCESS;
 | 
						|
      } else {
 | 
						|
        //
 | 
						|
        // Allocate a handle buffer for the number of handles that matched the attributes in Mask
 | 
						|
        //
 | 
						|
        *MatchingHandleBuffer = AllocatePool ((*MatchingHandleCount +1)* sizeof (EFI_HANDLE));
 | 
						|
        ASSERT(*MatchingHandleBuffer != NULL);
 | 
						|
 | 
						|
        for (HandleIndex = 0,*MatchingHandleCount = 0
 | 
						|
          ;  HandleIndex < HandleCount
 | 
						|
          ;  HandleIndex++
 | 
						|
         ){
 | 
						|
          //
 | 
						|
          // Fill the allocated buffer with the handles that matched the attributes in Mask
 | 
						|
          //
 | 
						|
          if ((HandleType[HandleIndex] & Mask) == Mask) {
 | 
						|
            (*MatchingHandleBuffer)[(*MatchingHandleCount)++] = HandleBuffer[HandleIndex];
 | 
						|
          }
 | 
						|
        }
 | 
						|
 | 
						|
        //
 | 
						|
        // Make the last one NULL
 | 
						|
        //
 | 
						|
        (*MatchingHandleBuffer)[*MatchingHandleCount] = NULL;
 | 
						|
 | 
						|
        Status = EFI_SUCCESS;
 | 
						|
      } // MacthingHandleBuffer == NULL (ELSE)
 | 
						|
    } // *MatchingHandleCount  == 0 (ELSE)
 | 
						|
  } // no error on ParseHandleDatabaseByRelationshipWithType
 | 
						|
 | 
						|
  if (HandleBuffer != NULL) {
 | 
						|
    FreePool (HandleBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  if (HandleType != NULL) {
 | 
						|
    FreePool (HandleType);
 | 
						|
  }
 | 
						|
 | 
						|
  return Status;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Gets handles for any child controllers of the passed in controller.
 | 
						|
 | 
						|
  @param[in] ControllerHandle       The handle of the "parent controller"
 | 
						|
  @param[in] MatchingHandleCount    Pointer to the number of handles in
 | 
						|
                                    MatchingHandleBuffer on return.
 | 
						|
  @param[out] MatchingHandleBuffer  Buffer containing handles on a successful
 | 
						|
                                    return.
 | 
						|
 | 
						|
 | 
						|
  @retval EFI_SUCCESS               The operation was sucessful.
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ParseHandleDatabaseForChildControllers(
 | 
						|
  IN CONST EFI_HANDLE       ControllerHandle,
 | 
						|
  IN UINTN                  *MatchingHandleCount,
 | 
						|
  OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_STATUS  Status;
 | 
						|
  UINTN       HandleIndex;
 | 
						|
  UINTN       DriverBindingHandleCount;
 | 
						|
  EFI_HANDLE  *DriverBindingHandleBuffer;
 | 
						|
  UINTN       DriverBindingHandleIndex;
 | 
						|
  UINTN       ChildControllerHandleCount;
 | 
						|
  EFI_HANDLE  *ChildControllerHandleBuffer;
 | 
						|
  UINTN       ChildControllerHandleIndex;
 | 
						|
  BOOLEAN     Found;
 | 
						|
  EFI_HANDLE  *HandleBufferForReturn;
 | 
						|
 | 
						|
  ASSERT (MatchingHandleCount != NULL);
 | 
						|
 | 
						|
  Status = PARSE_HANDLE_DATABASE_UEFI_DRIVERS (
 | 
						|
            ControllerHandle,
 | 
						|
            &DriverBindingHandleCount,
 | 
						|
            &DriverBindingHandleBuffer
 | 
						|
           );
 | 
						|
  if (EFI_ERROR (Status)) {
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  HandleBufferForReturn = GetHandleListByProtocol(&gEfiDriverBindingProtocolGuid);
 | 
						|
  if (HandleBufferForReturn == NULL) {
 | 
						|
    FreePool (DriverBindingHandleBuffer);
 | 
						|
    return Status;
 | 
						|
  }
 | 
						|
 | 
						|
  *MatchingHandleCount = 0;
 | 
						|
  for (DriverBindingHandleIndex = 0; DriverBindingHandleIndex < DriverBindingHandleCount; DriverBindingHandleIndex++) {
 | 
						|
    Status = PARSE_HANDLE_DATABASE_MANAGED_CHILDREN (
 | 
						|
              DriverBindingHandleBuffer[DriverBindingHandleIndex],
 | 
						|
              ControllerHandle,
 | 
						|
              &ChildControllerHandleCount,
 | 
						|
              &ChildControllerHandleBuffer
 | 
						|
             );
 | 
						|
    if (EFI_ERROR (Status)) {
 | 
						|
      continue;
 | 
						|
    }
 | 
						|
 | 
						|
    for (ChildControllerHandleIndex = 0;
 | 
						|
         ChildControllerHandleIndex < ChildControllerHandleCount;
 | 
						|
         ChildControllerHandleIndex++
 | 
						|
       ) {
 | 
						|
      Found = FALSE;
 | 
						|
      for (HandleIndex = 0; HandleBufferForReturn[HandleIndex] != NULL; HandleIndex++) {
 | 
						|
        if (HandleBufferForReturn[HandleIndex] == ChildControllerHandleBuffer[ChildControllerHandleIndex]) {
 | 
						|
          Found = TRUE;
 | 
						|
          break;
 | 
						|
        }
 | 
						|
      }
 | 
						|
 | 
						|
      if (!Found) {
 | 
						|
        HandleBufferForReturn[(*MatchingHandleCount)++] = ChildControllerHandleBuffer[ChildControllerHandleIndex];
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    FreePool (ChildControllerHandleBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  FreePool (DriverBindingHandleBuffer);
 | 
						|
 | 
						|
  if (MatchingHandleBuffer != NULL) {
 | 
						|
    *MatchingHandleBuffer = HandleBufferForReturn;
 | 
						|
  } else {
 | 
						|
    FreePool(HandleBufferForReturn);
 | 
						|
  }
 | 
						|
 | 
						|
  return (EFI_SUCCESS);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Appends 1 buffer to another buffer.  This will re-allocate the destination buffer
 | 
						|
  if necessary to fit all of the data.
 | 
						|
 | 
						|
  If DestinationBuffer is NULL, then ASSERT().
 | 
						|
 | 
						|
  @param[in,out]  DestinationBuffer The pointer to the pointer to the buffer to append onto.
 | 
						|
  @param[in,out]  DestinationSize   The pointer to the size of DestinationBuffer.
 | 
						|
  @param[in]      SourceBuffer      The pointer to the buffer to append onto DestinationBuffer.
 | 
						|
  @param[in]      SourceSize        The number of bytes of SourceBuffer to append.
 | 
						|
 | 
						|
  @retval NULL                      A memory allocation failed.
 | 
						|
  @retval NULL                      A parameter was invalid.
 | 
						|
  @return                           A pointer to (*DestinationBuffer).
 | 
						|
**/
 | 
						|
VOID*
 | 
						|
EFIAPI
 | 
						|
BuffernCatGrow (
 | 
						|
  IN OUT VOID   **DestinationBuffer,
 | 
						|
  IN OUT UINTN  *DestinationSize,
 | 
						|
  IN     VOID   *SourceBuffer,
 | 
						|
  IN     UINTN  SourceSize
 | 
						|
  )
 | 
						|
{
 | 
						|
  UINTN LocalDestinationSize;
 | 
						|
  UINTN LocalDestinationFinalSize;
 | 
						|
 | 
						|
  ASSERT(DestinationBuffer != NULL);
 | 
						|
 | 
						|
  if (SourceSize == 0 || SourceBuffer == NULL) {
 | 
						|
    return (*DestinationBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  if (DestinationSize == NULL) {
 | 
						|
    LocalDestinationSize = 0;
 | 
						|
  } else {
 | 
						|
    LocalDestinationSize = *DestinationSize;
 | 
						|
  }
 | 
						|
 | 
						|
  LocalDestinationFinalSize = LocalDestinationSize + SourceSize;
 | 
						|
 | 
						|
  if (DestinationSize != NULL) {
 | 
						|
    *DestinationSize = LocalDestinationSize;
 | 
						|
  }
 | 
						|
 | 
						|
  if (LocalDestinationSize == 0) {
 | 
						|
    // allcoate
 | 
						|
    *DestinationBuffer = AllocatePool(LocalDestinationFinalSize);
 | 
						|
  } else {
 | 
						|
    // reallocate
 | 
						|
    *DestinationBuffer = ReallocatePool(LocalDestinationSize, LocalDestinationFinalSize, *DestinationBuffer);
 | 
						|
  }
 | 
						|
 | 
						|
  ASSERT(*DestinationBuffer != NULL);
 | 
						|
 | 
						|
  // copy
 | 
						|
  return (CopyMem(((UINT8*)(*DestinationBuffer)) + LocalDestinationSize, SourceBuffer, SourceSize));
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Gets handles for any child devices produced by the passed in driver.
 | 
						|
 | 
						|
  @param[in] DriverHandle           The handle of the driver.
 | 
						|
  @param[in] MatchingHandleCount    Pointer to the number of handles in
 | 
						|
                                    MatchingHandleBuffer on return.
 | 
						|
  @param[out] MatchingHandleBuffer  Buffer containing handles on a successful
 | 
						|
                                    return.
 | 
						|
  @retval EFI_SUCCESS               The operation was sucessful.
 | 
						|
  @sa ParseHandleDatabaseByRelationship
 | 
						|
**/
 | 
						|
EFI_STATUS
 | 
						|
EFIAPI
 | 
						|
ParseHandleDatabaseForChildDevices(
 | 
						|
  IN CONST EFI_HANDLE       DriverHandle,
 | 
						|
  IN UINTN                  *MatchingHandleCount,
 | 
						|
  OUT EFI_HANDLE            **MatchingHandleBuffer OPTIONAL
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_HANDLE      *Buffer;
 | 
						|
  EFI_HANDLE      *Buffer2;
 | 
						|
  UINTN           Count1;
 | 
						|
  UINTN           Count2;
 | 
						|
  UINTN           HandleIndex;
 | 
						|
  EFI_STATUS      Status;
 | 
						|
  UINTN           HandleBufferSize;
 | 
						|
 | 
						|
  ASSERT(MatchingHandleCount != NULL);
 | 
						|
 | 
						|
  HandleBufferSize      = 0;
 | 
						|
  Buffer                = NULL;
 | 
						|
  Buffer2               = NULL;
 | 
						|
  *MatchingHandleCount  = 0;
 | 
						|
 | 
						|
  Status = PARSE_HANDLE_DATABASE_DEVICES (
 | 
						|
            DriverHandle,
 | 
						|
            &Count1,
 | 
						|
            &Buffer
 | 
						|
           );
 | 
						|
  if (!EFI_ERROR (Status)) {
 | 
						|
    for (HandleIndex = 0; HandleIndex < Count1; HandleIndex++) {
 | 
						|
      //
 | 
						|
      // now find the children
 | 
						|
      //
 | 
						|
      Status = PARSE_HANDLE_DATABASE_MANAGED_CHILDREN (
 | 
						|
                DriverHandle,
 | 
						|
                Buffer[HandleIndex],
 | 
						|
                &Count2,
 | 
						|
                &Buffer2
 | 
						|
               );
 | 
						|
      if (EFI_ERROR(Status)) {
 | 
						|
        break;
 | 
						|
      }
 | 
						|
      //
 | 
						|
      // save out required and optional data elements
 | 
						|
      //
 | 
						|
      *MatchingHandleCount += Count2;
 | 
						|
      if (MatchingHandleBuffer != NULL) {
 | 
						|
        *MatchingHandleBuffer = BuffernCatGrow((VOID**)MatchingHandleBuffer, &HandleBufferSize, Buffer2, Count2 * sizeof(Buffer2[0]));
 | 
						|
      }
 | 
						|
 | 
						|
      //
 | 
						|
      // free the memory
 | 
						|
      //
 | 
						|
      if (Buffer2 != NULL) {
 | 
						|
        FreePool(Buffer2);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  if (Buffer != NULL) {
 | 
						|
    FreePool(Buffer);
 | 
						|
  }
 | 
						|
  return (Status);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to get all handles that support a given protocol or all handles.
 | 
						|
 | 
						|
  @param[in] ProtocolGuid The guid of the protocol to get handles for.  If NULL
 | 
						|
                          then the function will return all handles.
 | 
						|
 | 
						|
  @retval NULL            A memory allocation failed.
 | 
						|
  @return                 A NULL terminated list of handles.
 | 
						|
**/
 | 
						|
EFI_HANDLE*
 | 
						|
EFIAPI
 | 
						|
GetHandleListByProtocol (
 | 
						|
  IN CONST EFI_GUID *ProtocolGuid OPTIONAL
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_HANDLE          *HandleList;
 | 
						|
  UINTN               Size;
 | 
						|
  EFI_STATUS          Status;
 | 
						|
 | 
						|
  Size = 0;
 | 
						|
  HandleList = NULL;
 | 
						|
 | 
						|
  //
 | 
						|
  // We cannot use LocateHandleBuffer since we need that NULL item on the ends of the list!
 | 
						|
  //
 | 
						|
  if (ProtocolGuid == NULL) {
 | 
						|
    Status = gBS->LocateHandle(AllHandles, NULL, NULL, &Size, HandleList);
 | 
						|
    if (Status == EFI_BUFFER_TOO_SMALL) {
 | 
						|
      HandleList = AllocatePool(Size + sizeof(EFI_HANDLE));
 | 
						|
      if (HandleList == NULL) {
 | 
						|
        return (NULL);
 | 
						|
      }
 | 
						|
      Status = gBS->LocateHandle(AllHandles, NULL, NULL, &Size, HandleList);
 | 
						|
      HandleList[Size/sizeof(EFI_HANDLE)] = NULL;
 | 
						|
    }
 | 
						|
  } else {
 | 
						|
    Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)ProtocolGuid, NULL, &Size, HandleList);
 | 
						|
    if (Status == EFI_BUFFER_TOO_SMALL) {
 | 
						|
      HandleList = AllocatePool(Size + sizeof(EFI_HANDLE));
 | 
						|
      if (HandleList == NULL) {
 | 
						|
        return (NULL);
 | 
						|
      }
 | 
						|
      Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)ProtocolGuid, NULL, &Size, HandleList);
 | 
						|
      HandleList[Size/sizeof(EFI_HANDLE)] = NULL;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  if (EFI_ERROR(Status)) {
 | 
						|
    if (HandleList != NULL) {
 | 
						|
      FreePool(HandleList);
 | 
						|
    }
 | 
						|
    return (NULL);
 | 
						|
  }
 | 
						|
  return (HandleList);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
  Function to get all handles that support some protocols.
 | 
						|
 | 
						|
  @param[in] ProtocolGuids  A NULL terminated list of protocol GUIDs.
 | 
						|
 | 
						|
  @retval NULL              A memory allocation failed.
 | 
						|
  @return                   A NULL terminated list of handles.
 | 
						|
**/
 | 
						|
EFI_HANDLE*
 | 
						|
EFIAPI
 | 
						|
GetHandleListByProtocolList (
 | 
						|
  IN CONST EFI_GUID **ProtocolGuids
 | 
						|
  )
 | 
						|
{
 | 
						|
  EFI_HANDLE          *HandleList;
 | 
						|
  UINTN               Size;
 | 
						|
  UINTN               TotalSize;
 | 
						|
  UINTN               TempSize;
 | 
						|
  EFI_STATUS          Status;
 | 
						|
  CONST EFI_GUID      **GuidWalker;
 | 
						|
  EFI_HANDLE          *HandleWalker1;
 | 
						|
  EFI_HANDLE          *HandleWalker2;
 | 
						|
 | 
						|
  Size        = 0;
 | 
						|
  HandleList  = NULL;
 | 
						|
  TotalSize   = sizeof(EFI_HANDLE);
 | 
						|
 | 
						|
  for (GuidWalker = ProtocolGuids ; GuidWalker != NULL && *GuidWalker != NULL ; GuidWalker++,Size = 0){
 | 
						|
    Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)(*GuidWalker), NULL, &Size, NULL);
 | 
						|
    if (Status == EFI_BUFFER_TOO_SMALL) {
 | 
						|
      TotalSize += Size;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  //
 | 
						|
  // No handles were found... 
 | 
						|
  //
 | 
						|
  if (TotalSize == sizeof(EFI_HANDLE)) {
 | 
						|
    return (NULL);
 | 
						|
  }
 | 
						|
 | 
						|
  HandleList = AllocateZeroPool(TotalSize);
 | 
						|
  ASSERT(HandleList != NULL);
 | 
						|
  if (HandleList == NULL) {
 | 
						|
    return (NULL);
 | 
						|
  }
 | 
						|
 | 
						|
  Size = 0;
 | 
						|
  for (GuidWalker = ProtocolGuids ; GuidWalker != NULL && *GuidWalker != NULL ; GuidWalker++){
 | 
						|
    TempSize = TotalSize - Size;
 | 
						|
    Status = gBS->LocateHandle(ByProtocol, (EFI_GUID*)(*GuidWalker), NULL, &TempSize, HandleList+((TotalSize - Size)/sizeof(EFI_HANDLE)));
 | 
						|
 | 
						|
    //
 | 
						|
    // Allow for missing protocols... Only update the 'used' size upon success.
 | 
						|
    //
 | 
						|
    if (!EFI_ERROR(Status)) {
 | 
						|
      Size = TempSize;
 | 
						|
    }
 | 
						|
  }
 | 
						|
  HandleList[(TotalSize/sizeof(EFI_HANDLE))-1] = NULL;
 | 
						|
 | 
						|
  for (HandleWalker1 = HandleList ; HandleWalker1 != NULL && *HandleWalker1 != NULL ; HandleWalker1++) {
 | 
						|
    for (HandleWalker2 = HandleWalker1 + 1; HandleWalker2 != NULL && *HandleWalker2 != NULL ; HandleWalker2++) {
 | 
						|
      if (*HandleWalker1 == *HandleWalker2) {
 | 
						|
        //
 | 
						|
        // copy memory back 1 handle width.
 | 
						|
        //
 | 
						|
        CopyMem(HandleWalker2, HandleWalker2 + 1, TotalSize - ((HandleWalker2-HandleList+1)*sizeof(EFI_HANDLE)));
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return (HandleList);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 |