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/** @file
Definitions for Confidential Computing Guest Attributes
Copyright (c) 2021 AMD Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_
#define CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_
//
// Confidential computing guest type
//
typedef enum {
CcGuestTypeNonEncrypted = 0,
CcGuestTypeAmdSev,
CcGuestTypeIntelTdx,
} CC_GUEST_TYPE;
typedef enum {
/* The guest is running with memory encryption disabled. */
CCAttrNotEncrypted = 0,
/* The guest is running with AMD SEV memory encryption enabled. */
CCAttrAmdSev = 0x100,
CCAttrAmdSevEs = 0x101,
CCAttrAmdSevSnp = 0x102,
/* The guest is running with Intel TDX memory encryption enabled. */
CCAttrIntelTdx = 0x200,
CCAttrTypeMask = 0x000000000000ffff,
/* Features */
/* The AMD SEV-ES DebugVirtualization feature is enabled in SEV_STATUS */
CCAttrFeatureAmdSevEsDebugVirtualization = 0x0000000000010000,
CCAttrFeatureMask = 0xffffffffffff0000,
} CONFIDENTIAL_COMPUTING_GUEST_ATTR;
#define _CC_GUEST_IS_TDX(x) ((x) == CCAttrIntelTdx)
#define CC_GUEST_IS_TDX(x) _CC_GUEST_IS_TDX((x) & CCAttrTypeMask)
#define _CC_GUEST_IS_SEV(x) ((x) == CCAttrAmdSev || (x) == CCAttrAmdSevEs || (x) == CCAttrAmdSevSnp)
#define CC_GUEST_IS_SEV(x) _CC_GUEST_IS_SEV((x) & CCAttrTypeMask)
#endif
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