1 files changed, 19 insertions, 0 deletions
diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index d7a2bd8556..452cdb9cb7 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -27,6 +27,25 @@ typedef enum  TPMVersion {
     TPM_VERSION_2_0 = 2,
 } TPMVersion;
 
+#define TYPE_TPM_IF "tpm-if"
+#define TPM_IF_CLASS(klass)                                 \
+    OBJECT_CLASS_CHECK(TPMIfClass, (klass), TYPE_TPM_IF)
+#define TPM_IF_GET_CLASS(obj)                           \
+    OBJECT_GET_CLASS(TPMIfClass, (obj), TYPE_TPM_IF)
+#define TPM_IF(obj)                             \
+    INTERFACE_CHECK(TPMIf, (obj), TYPE_TPM_IF)
+
+typedef struct TPMIf {
+    Object parent_obj;
+} TPMIf;
+
+typedef struct TPMIfClass {
+    InterfaceClass parent_class;
+
+    /* run in thread pool by backend */
+    void (*request_completed)(TPMIf *obj);
+} TPMIfClass;
+
 TPMVersion tpm_tis_get_tpm_version(Object *obj);
 
 #define TYPE_TPM_TIS                "tpm-tis"