audk/OvmfPkg/SmmControl2Dxe/SmiFeatures.h

41 lines
979 B
C

/**@file
Negotiate SMI features with QEMU, and configure UefiCpuPkg/PiSmmCpuDxeSmm
accordingly.
Copyright (C) 2016-2017, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __SMI_FEATURES_H__
#define __SMI_FEATURES_H__
#include <Protocol/S3SaveState.h>
/**
Negotiate SMI features with QEMU.
@retval FALSE If SMI feature negotiation is not supported by QEMU. This is
not an error, it just means that SaveSmiFeatures() should not
be called.
@retval TRUE SMI feature negotiation is supported, and it has completed
successfully as well. (Failure to negotiate is a fatal error
and the function never returns in that case.)
**/
BOOLEAN
NegotiateSmiFeatures (
VOID
);
/**
Append a boot script fragment that will re-select the previously negotiated
SMI features during S3 resume.
**/
VOID
SaveSmiFeatures (
VOID
);
#endif