diff options
Diffstat (limited to 'SecurityPkg/Tcg/TcgSmm/TcgSmm.c')
| -rw-r--r-- | SecurityPkg/Tcg/TcgSmm/TcgSmm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/SecurityPkg/Tcg/TcgSmm/TcgSmm.c b/SecurityPkg/Tcg/TcgSmm/TcgSmm.c index 589bab694b..743b3ebbe1 100644 --- a/SecurityPkg/Tcg/TcgSmm/TcgSmm.c +++ b/SecurityPkg/Tcg/TcgSmm/TcgSmm.c @@ -55,6 +55,7 @@ PhysicalPresenceCallback ( EFI_PHYSICAL_PRESENCE PpData;
EFI_PHYSICAL_PRESENCE_FLAGS Flags;
BOOLEAN RequestConfirmed;
+ UINT32 StorageFlags;
//
// Get the Physical Presence variable
@@ -150,6 +151,11 @@ PhysicalPresenceCallback ( return EFI_SUCCESS;
}
+ //
+ // Get the Physical Presence storage flags
+ //
+ StorageFlags = TcgPhysicalPresenceStorageLibReturnStorageFlags();
+
RequestConfirmed = FALSE;
switch (mTcgNvs->PPRequestUserConfirm) {
@@ -201,6 +207,23 @@ PhysicalPresenceCallback ( //
mTcgNvs->PhysicalPresence.ReturnCode = TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED;
return EFI_SUCCESS;
+
+ case TCG2_PHYSICAL_PRESENCE_ENABLE_BLOCK_SID:
+ if ((StorageFlags & TCG_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_ENABLE_BLOCK_SID) == 0) {
+ RequestConfirmed = TRUE;
+ }
+ break;
+
+ case TCG2_PHYSICAL_PRESENCE_DISABLE_BLOCK_SID:
+ if ((StorageFlags & TCG_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_DISABLE_BLOCK_SID) == 0) {
+ RequestConfirmed = TRUE;
+ }
+ break;
+
+ case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_ENABLE_BLOCK_SID_FUNC_TRUE:
+ case TCG2_PHYSICAL_PRESENCE_SET_PP_REQUIRED_FOR_DISABLE_BLOCK_SID_FUNC_TRUE:
+ break;
+
default:
break;
}
|