OvmfPkg/CpuHotplugSmm/Smbase.h

   1 /** @file
   2   SMBASE relocation for hot-plugged CPUs.
   3
   4   Copyright (c) 2020, Red Hat, Inc.
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7 **/
   8
   9 #ifndef SMBASE_H_
  10 #define SMBASE_H_
  11
  12 #include <Uefi/UefiBaseType.h> // EFI_STATUS
  13 #include <Uefi/UefiSpec.h>     // EFI_BOOT_SERVICES
  14
  15 #include "ApicId.h"            // APIC_ID
  16
  17 EFI_STATUS
  18 SmbaseAllocatePostSmmPen (
  19   OUT UINT32                   *PenAddress,
  20   IN  CONST EFI_BOOT_SERVICES  *BootServices
  21   );
  22
  23 VOID
  24 SmbaseReinstallPostSmmPen (
  25   IN UINT32  PenAddress
  26   );
  27
  28 VOID
  29 SmbaseReleasePostSmmPen (
  30   IN UINT32                   PenAddress,
  31   IN CONST EFI_BOOT_SERVICES  *BootServices
  32   );
  33
  34 VOID
  35 SmbaseInstallFirstSmiHandler (
  36   VOID
  37   );
  38
  39 EFI_STATUS
  40 SmbaseRelocate (
  41   IN APIC_ID  ApicId,
  42   IN UINTN    Smbase,
  43   IN UINT32   PenAddress
  44   );
  45
  46 #endif // SMBASE_H_