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2024-03-22 a0752693d998599af469473b8dc239ef973a012f

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/** @file 
 
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> 
SPDX-License-Identifier: BSD-2-Clause-Patent 
 
**/ 
 
#include <Uefi.h> 
#include <PiDxe.h> 
#include <Library/TestPointCheckLib.h> 
#include <Library/TestPointLib.h> 
#include <Library/DebugLib.h> 
#include <Library/UefiLib.h> 
#include <Library/BaseMemoryLib.h> 
#include <Library/MemoryAllocationLib.h> 
#include <Library/HstiLib.h> 
#include <IndustryStandard/Hsti.h> 
 
/** 
  Dump HSTI info 
 
  @param[in] HstiData     - Pointer to HSTI data 
**/ 
VOID 
DumpHsti ( 
  IN VOID                     *HstiData 
  ) 
{ 
  ADAPTER_INFO_PLATFORM_SECURITY *Hsti; 
  UINT8                          *SecurityFeatures; 
  CHAR16                         *ErrorString; 
  UINTN                          Index; 
  CHAR16                         ErrorChar; 
 
  Hsti = HstiData; 
  DEBUG ((DEBUG_INFO, "HSTI\n")); 
  DEBUG ((DEBUG_INFO, "  Version                     - 0x%08x\n", Hsti->Version)); 
  DEBUG ((DEBUG_INFO, "  Role                        - 0x%08x\n", Hsti->Role)); 
  DEBUG ((DEBUG_INFO, "  ImplementationID            - %S\n", Hsti->ImplementationID)); 
  DEBUG ((DEBUG_INFO, "  SecurityFeaturesSize        - 0x%08x\n", Hsti->SecurityFeaturesSize)); 
 
  SecurityFeatures = (UINT8 *) (Hsti + 1); 
  DEBUG ((DEBUG_INFO, "  SecurityFeaturesImplemented - ")); 
  for (Index = 0; Index < Hsti->SecurityFeaturesSize; Index++) { 
    DEBUG ((DEBUG_INFO, "%02x ", SecurityFeatures[Index])); 
  } 
  DEBUG ((DEBUG_INFO, "\n")); 
 
  SecurityFeatures = (UINT8 *) (SecurityFeatures + Hsti->SecurityFeaturesSize); 
  DEBUG ((DEBUG_INFO, "  SecurityFeaturesVerified    - ")); 
  for (Index = 0; Index < Hsti->SecurityFeaturesSize; Index++) { 
    DEBUG ((DEBUG_INFO, "%02x ", SecurityFeatures[Index])); 
  } 
  DEBUG ((DEBUG_INFO, "\n")); 
 
  ErrorString = (CHAR16 *) (SecurityFeatures + Hsti->SecurityFeaturesSize); 
  DEBUG ((DEBUG_INFO, "  ErrorString                 - \"")); 
  CopyMem (&ErrorChar, ErrorString, sizeof (ErrorChar)); 
  for (; ErrorChar != 0;) { 
    DEBUG ((DEBUG_INFO, "%c", ErrorChar)); 
    ErrorString++; 
    CopyMem (&ErrorChar, ErrorString, sizeof (ErrorChar)); 
  } 
  DEBUG ((DEBUG_INFO, "\"\n")); 
} 
 
UINT32                  mRole[] = { 
  PLATFORM_SECURITY_ROLE_PLATFORM_REFERENCE, 
  PLATFORM_SECURITY_ROLE_PLATFORM_IBV, 
  PLATFORM_SECURITY_ROLE_IMPLEMENTOR_OEM, 
  PLATFORM_SECURITY_ROLE_IMPLEMENTOR_ODM, 
}; 
 
EFI_STATUS 
TestPointCheckHsti ( 
  VOID 
  ) 
{ 
  VOID        *Hsti; 
  UINTN       HstiSize; 
  EFI_STATUS  Status; 
  UINTN       Index; 
  BOOLEAN     Result; 
   
  Result = TRUE; 
  DEBUG ((DEBUG_INFO, "==== TestPointCheckHsti - Enter\n")); 
  for (Index = 0; Index < sizeof(mRole)/sizeof(mRole[0]); Index++) { 
    Status = HstiLibGetTable (mRole[Index], NULL, &Hsti, &HstiSize); 
    if (EFI_ERROR (Status)) { 
      DEBUG ((DEBUG_ERROR, "HSTI (Role - 0x%08x) not found!\n", mRole[Index])); 
      if (mRole[Index] <= PLATFORM_SECURITY_ROLE_PLATFORM_IBV) { 
        Result = FALSE; 
      } 
      continue; 
    } 
    DumpHsti (Hsti); 
    FreePool (Hsti); 
  } 
  DEBUG ((DEBUG_INFO, "==== TestPointCheckHsti - Exit\n")); 
 
  if (!Result) { 
    TestPointLibAppendErrorString ( 
      PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV, 
      NULL, 
      TEST_POINT_BYTE8_READY_TO_BOOT_HSTI_TABLE_FUNCTIONAL_ERROR_CODE \ 
        TEST_POINT_READY_TO_BOOT \ 
        TEST_POINT_BYTE8_READY_TO_BOOT_HSTI_TABLE_FUNCTIONAL_ERROR_STRING 
      ); 
    return EFI_NOT_FOUND; 
  } 
  return EFI_SUCCESS; 
}