1 files changed, 46 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/CpuHotplugSmm/Smbase.h b/roms/edk2/OvmfPkg/CpuHotplugSmm/Smbase.h
new file mode 100644
index 000000000..e73730d19
--- /dev/null
+++ b/roms/edk2/OvmfPkg/CpuHotplugSmm/Smbase.h
@@ -0,0 +1,46 @@
+/** @file
+  SMBASE relocation for hot-plugged CPUs.
+
+  Copyright (c) 2020, Red Hat, Inc.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef SMBASE_H_
+#define SMBASE_H_
+
+#include <Uefi/UefiBaseType.h> // EFI_STATUS
+#include <Uefi/UefiSpec.h>     // EFI_BOOT_SERVICES
+
+#include "ApicId.h"            // APIC_ID
+
+EFI_STATUS
+SmbaseAllocatePostSmmPen (
+  OUT UINT32                  *PenAddress,
+  IN  CONST EFI_BOOT_SERVICES *BootServices
+  );
+
+VOID
+SmbaseReinstallPostSmmPen (
+  IN UINT32 PenAddress
+  );
+
+VOID
+SmbaseReleasePostSmmPen (
+  IN UINT32                  PenAddress,
+  IN CONST EFI_BOOT_SERVICES *BootServices
+  );
+
+VOID
+SmbaseInstallFirstSmiHandler (
+  VOID
+  );
+
+EFI_STATUS
+SmbaseRelocate (
+  IN APIC_ID ApicId,
+  IN UINTN   Smbase,
+  IN UINT32  PenAddress
+  );
+
+#endif // SMBASE_H_