OvmfPkg/WorkArea.h: add MeasurementType for TDX SEC workarea

Introduce `MeasurementType` to indicate whether TDX measurement of vTPM measurement is used. Signed-off-by: Jiaqi Gao <[email protected]>
tianocore · Aug 20, 2024 · f9afe53 · f9afe53
1 parent fd9b243
commit f9afe53
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
@@ -79,6 +79,10 @@ typedef struct _SEV_WORK_AREA {
 #define TDX_MEASUREMENT_TDHOB_BITMASK   0x1
 #define TDX_MEASUREMENT_CFVIMG_BITMASK  0x2
 
+#define TDX_MEASUREMENT_TYPE_NONE       0x0
+#define TDX_MEASUREMENT_TYPE_CC         0x1
+#define TDX_MEASUREMENT_TYPE_VTPM       0x2
+
 typedef struct _TDX_MEASUREMENTS_DATA {
   UINT32    MeasurementsBitmap;
   UINT8     TdHobHashValue[SHA384_DIGEST_SIZE];
@@ -93,6 +97,7 @@ typedef struct _SEC_TDX_WORK_AREA {
   UINT32                   Gpaw;
   UINT64                   HobList;
   TDX_MEASUREMENTS_DATA    TdxMeasurementsData;
+  UINT32                   MeasurementType;
 } SEC_TDX_WORK_AREA;
 
 typedef struct _TDX_WORK_AREA {