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authorAlexey Kardashevskiy <aik@amd.com>2022-11-22 16:12:55 +1100
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2024-07-04 20:39:26 +0000
commit3f28aa2fb07f57afa58d4030d6dc60f5d01d5888 (patch)
tree4e27c4657d470280b4ad74b706547a81df9ed16d
parentbc3a1ec2a2838f596678ddd247d10332c6790dab (diff)
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MdePkg: Add AMD SEV features to PcdConfidentialComputingGuestAttr
PcdConfidentialComputingGuestAttr so far only contained an SEV mode bit but there are more other features which do not translate to levels such as DebugVirtualization or SecureTsc. Add the feature mask and the DebugVirtualization feature bit to the PCD. Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Zhiguang Liu <zhiguang.liu@intel.com> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Alexey Kardashevskiy <aik@amd.com> --- Changes: v4: * s/CCAttrFeatureAmdSevDebugSwap/CCAttrFeatureAmdSevEsDebugVirtualization/ v2: * expanded features mask * added type mask
-rw-r--r--MdePkg/Include/ConfidentialComputingGuestAttr.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/MdePkg/Include/ConfidentialComputingGuestAttr.h b/MdePkg/Include/ConfidentialComputingGuestAttr.h
index 44e6df8..f62158f 100644
--- a/MdePkg/Include/ConfidentialComputingGuestAttr.h
+++ b/MdePkg/Include/ConfidentialComputingGuestAttr.h
@@ -29,9 +29,20 @@ typedef enum {
/* 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_SEV(x) ((x) == CCAttrAmdSev || (x) == CCAttrAmdSevEs || (x) == CCAttrAmdSevSnp)
+#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