OvmfPkg/Library/PeilessStartupLib/PeilessStartupInternal.h

   1 /** @file
   2
   3   Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef PEILESS_STARTUP_INTERNAL_LIB_H_
  10 #define PEILESS_STARTUP_INTERNAL_LIB_H_
  11
  12 #include <PiPei.h>
  13 #include <Library/BaseLib.h>
  14 #include <Uefi/UefiSpec.h>
  15 #include <Uefi/UefiBaseType.h>
  16 #include <IndustryStandard/IntelTdx.h>
  17
  18 EFI_STATUS
  19 EFIAPI
  20 DxeLoadCore (
  21   IN INTN  FvInstance
  22   );
  23
  24 VOID
  25 EFIAPI
  26 TransferHobList (
  27   IN CONST VOID  *HobStart
  28   );
  29
  30 /**
  31  * This function is to find a memory region which is the largest one below 4GB.
  32  * It will be used as the firmware hoblist.
  33  *
  34  * @param VmmHobList        Vmm passed hoblist which constains the memory information.
  35  * @return EFI_SUCCESS      Successfully construct the firmware hoblist.
  36  * @return EFI_NOT_FOUND    Cannot find a memory region to be the fw hoblist.
  37  */
  38 EFI_STATUS
  39 EFIAPI
  40 ConstructFwHobList (
  41   IN CONST VOID  *VmmHobList
  42   );
  43
  44 /**
  45  *  Construct the HobList in SEC phase.
  46  *
  47  * @return EFI_SUCCESS      Successfully construct the firmware hoblist.
  48  * @return EFI_NOT_FOUND    Cannot find a memory region to be the fw hoblist.
  49  */
  50 EFI_STATUS
  51 EFIAPI
  52 ConstructSecHobList (
  53   );
  54
  55 /**
  56   Check the integrity of CFV data.
  57
  58   @param[in] TdxCfvBase - A pointer to CFV header
  59   @param[in] TdxCfvSize - CFV data size
  60
  61   @retval  TRUE   - The CFV data is valid.
  62   @retval  FALSE  - The CFV data is invalid.
  63
  64 **/
  65 BOOLEAN
  66 EFIAPI
  67 TdxValidateCfv (
  68   IN UINT8   *TdxCfvBase,
  69   IN UINT32  TdxCfvSize
  70   );
  71
  72 /**
  73   Measure the Hoblist passed from the VMM.
  74
  75   @param[in] VmmHobList    The Hoblist pass the firmware
  76
  77   @retval EFI_SUCCESS           Fv image is measured successfully
  78                                 or it has been already measured.
  79   @retval Others                Other errors as indicated
  80 **/
  81 EFI_STATUS
  82 EFIAPI
  83 MeasureHobList (
  84   IN CONST VOID  *VmmHobList
  85   );
  86
  87 /**
  88   Measure FV image.
  89
  90   @param[in]  FvBase            Base address of FV image.
  91   @param[in]  FvLength          Length of FV image.
  92   @param[in]  PcrIndex          Index of PCR
  93
  94   @retval EFI_SUCCESS           Fv image is measured successfully
  95                                 or it has been already measured.
  96   @retval EFI_OUT_OF_RESOURCES  No enough memory to log the new event.
  97   @retval EFI_DEVICE_ERROR      The command was unsuccessful.
  98
  99 **/
 100 EFI_STATUS
 101 EFIAPI
 102 MeasureFvImage (
 103   IN EFI_PHYSICAL_ADDRESS  FvBase,
 104   IN UINT64                FvLength,
 105   IN UINT8                 PcrIndex
 106   );
 107
 108 #endif