OvmfPkg: Change SEV Launch Secret API to be UINT64 for base and size

Although the SEV secret location must always be below 4GB, the same is
not necessarily true for Intel TDX, so change the configuration table
to contain a pair of UINT64 parameters instead of UINT32 so that any X64
location can be represented.

Signed-off-by: James Bottomley <jejb@linux.ibm.com>
Message-Id: <20201216014146.2229-2-jejb@linux.ibm.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

diff --git a/OvmfPkg/Include/Guid/SevLaunchSecret.h b/OvmfPkg/Include/Guid/SevLaunchSecret.h
index fa5f3830bc2bffbb97ef03ea22be027ce433b988..dfd89646651b65e9e34cc613df04b102ef46eb1a 100644 (file)
--- a/OvmfPkg/Include/Guid/SevLaunchSecret.h
+++ b/OvmfPkg/Include/Guid/SevLaunchSecret.h
@@ -19,8 +19,8 @@
   }\r
 \r
 typedef struct {\r
-  UINT32 Base;\r
-  UINT32 Size;\r
+  UINT64 Base;\r
+  UINT64 Size;\r
 } SEV_LAUNCH_SECRET_LOCATION;\r
 \r
 extern EFI_GUID gSevLaunchSecretGuid;\r