RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429

Add the TDX work area definition.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
 OvmfPkg/Include/WorkArea.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/OvmfPkg/Include/WorkArea.h b/OvmfPkg/Include/WorkArea.h
index d982e026def7..b67edd14e79f 100644
--- a/OvmfPkg/Include/WorkArea.h
+++ b/OvmfPkg/Include/WorkArea.h
@@ -71,9 +71,24 @@ typedef struct _SEV_WORK_AREA {
   SEC_SEV_ES_WORK_AREA                       SevEsWorkArea;
 } SEV_WORK_AREA;
 
+//
+// The TDX work area definition
+//
+typedef struct _SEC_TDX_WORK_AREA {
+  UINT32    PageTableReady;
+  UINT32    Gpaw;
+  UINT64    HobList;
+} SEC_TDX_WORK_AREA;
+
+typedef struct _TDX_WORK_AREA {
+  CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER    Header;
+  SEC_TDX_WORK_AREA                          SecTdxWorkArea;
+} TDX_WORK_AREA;
+
 typedef union {
   CONFIDENTIAL_COMPUTING_WORK_AREA_HEADER    Header;
   SEV_WORK_AREA                              SevWorkArea;
+  TDX_WORK_AREA                              TdxWorkArea;
 } OVMF_WORK_AREA;
 
 #endif
-- 
2.29.2.windows.2



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