diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index a2a86783f974b1e449e53929387df2a24e9ddf2c..20d9da77fc11894380b6dc7d47cdefac13222267 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -10,6 +10,9 @@
 #define ACPI_TCPA_SIG		"TCPA"	/* 0x41504354 /'TCPA' */
 #define TPM2_ACTIVE_PCR_BANKS	3
 
+#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
+#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2   0x2
+
 #ifdef CONFIG_PPC64
 #define do_endian_conversion(x) be32_to_cpu(x)
 #else