OvmfPkg/Library/VmgExitLib/VmTdExitHandler.h

   1 /** @file
   2
   3   Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.<BR>
   4   SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6 **/
   7
   8 #ifndef VMTD_EXIT_HANDLER_H_
   9 #define VMTD_EXIT_HANDLER_H_
  10
  11 #include <Base.h>
  12 #include <Uefi.h>
  13
  14 /**
  15   This function enable the TD guest to request the VMM to emulate CPUID
  16   operation, especially for non-architectural, CPUID leaves.
  17
  18   @param[in]  Eax        Main leaf of the CPUID
  19   @param[in]  Ecx        Sub-leaf of the CPUID
  20   @param[out] Results    Returned result of CPUID operation
  21
  22   @return EFI_SUCCESS
  23 **/
  24 EFI_STATUS
  25 EFIAPI
  26 TdVmCallCpuid (
  27   IN UINT64  Eax,
  28   IN UINT64  Ecx,
  29   OUT VOID   *Results
  30   );
  31
  32 #endif