+#define EFI_TCG_EVENT2_HOB_GUID \\r
+ { \\r
+ 0xd26c221e, 0x2430, 0x4c8a, { 0x91, 0x70, 0x3f, 0xcb, 0x45, 0x0, 0x41, 0x3f } \\r
+ }\r
+\r
+extern EFI_GUID gTcgEvent2EntryHobGuid;\r
+\r
+///\r
+/// The Global ID of a GUIDed HOB used to record TPM device error.\r
+///\r
+#define EFI_TPM_ERROR_GUID \\r
+ { \\r
+ 0xef598499, 0xb25e, 0x473a, { 0xbf, 0xaf, 0xe7, 0xe5, 0x7d, 0xce, 0x82, 0xc4 } \\r
+ }\r
+\r
+extern EFI_GUID gTpmErrorHobGuid;\r
+\r
+///\r
+/// The Global ID of a GUIDed HOB used to record TPM2 Startup Locality.\r
+/// HOB payload is UINT8 according to Startup Locality Event.\r
+///\r
+#define EFI_TPM2_STARTUP_LOCALITY_HOB_GUID \\r
+ { \\r
+ 0xef598499, 0xb25e, 0x473a, { 0xbf, 0xaf, 0xe7, 0xe5, 0x7d, 0xce, 0x82, 0xc4 } \\r
+ }\r
+\r
+extern EFI_GUID gTpm2StartupLocalityHobGuid;\r
+\r