26210f9436
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275 While initializing APs, the MpInitLib may need to know whether the guest is running with active AMD SEV or Intel TDX memory encryption. Add a new ConfidentialComputingGuestAttr PCD that can be used to query the memory encryption attribute. Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang.liu@intel.com> Cc: Michael Roth <michael.roth@amd.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Eric Dong <eric.dong@intel.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: Ray Ni <ray.ni@intel.com> Suggested-by: Jiewen Yao <jiewen.yao@intel.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
26 lines
677 B
C
26 lines
677 B
C
/** @file
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Definitions for Confidential Computing Attribute
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Copyright (c) 2021 AMD Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_
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#define CONFIDENTIAL_COMPUTING_GUEST_ATTR_H_
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typedef enum {
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/* The guest is running with memory encryption disabled. */
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CCAttrNotEncrypted = 0,
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/* The guest is running with AMD SEV memory encryption enabled. */
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CCAttrAmdSev = 0x100,
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CCAttrAmdSevEs = 0x101,
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CCAttrAmdSevSnp = 0x102,
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/* The guest is running with Intel TDX memory encryption enabled. */
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CCAttrIntelTdx = 0x200,
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} CONFIDENTIAL_COMPUTING_GUEST_ATTR;
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#endif
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