2ddacfb6b8
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275 Move all the SEV specific function in AmdSev.c. No functional change intended. Cc: Michael Roth <michael.roth@amd.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Min Xu <min.m.xu@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Erdem Aktas <erdemaktas@google.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Jiewen Yao <Jiewen.yao@intel.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/** @file
|
|
File defines the Sec routines for the AMD SEV
|
|
|
|
Copyright (c) 2021, Advanced Micro Devices, Inc. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _AMD_SEV_SEC_INTERNAL_H__
|
|
#define _AMD_SEV_SEC_INTERNAL_H__
|
|
|
|
/**
|
|
Handle an SEV-ES/GHCB protocol check failure.
|
|
|
|
Notify the hypervisor using the VMGEXIT instruction that the SEV-ES guest
|
|
wishes to be terminated.
|
|
|
|
@param[in] ReasonCode Reason code to provide to the hypervisor for the
|
|
termination request.
|
|
|
|
**/
|
|
VOID
|
|
SevEsProtocolFailure (
|
|
IN UINT8 ReasonCode
|
|
);
|
|
|
|
/**
|
|
Validate the SEV-ES/GHCB protocol level.
|
|
|
|
Verify that the level of SEV-ES/GHCB protocol supported by the hypervisor
|
|
and the guest intersect. If they don't intersect, request termination.
|
|
|
|
**/
|
|
VOID
|
|
SevEsProtocolCheck (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Determine if the SEV is active.
|
|
|
|
During the early booting, GuestType is set in the work area. Verify that it
|
|
is an SEV guest.
|
|
|
|
@retval TRUE SEV is enabled
|
|
@retval FALSE SEV is not enabled
|
|
|
|
**/
|
|
BOOLEAN
|
|
IsSevGuest (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Determine if SEV-ES is active.
|
|
|
|
During early booting, SEV-ES support code will set a flag to indicate that
|
|
SEV-ES is enabled. Return the value of this flag as an indicator that SEV-ES
|
|
is enabled.
|
|
|
|
@retval TRUE SEV-ES is enabled
|
|
@retval FALSE SEV-ES is not enabled
|
|
|
|
**/
|
|
BOOLEAN
|
|
SevEsIsEnabled (
|
|
VOID
|
|
);
|
|
|
|
#endif
|