tpm: add a QOM TPM interface

This will simplify backend / interface objects relationship, so the
frontend interface will simply have to implement the TPM QOM interface.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index d84eec48b4..dbb50043ac 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -1123,6 +1123,10 @@ static const TypeInfo tpm_tis_info = {
     .instance_size = sizeof(TPMState),
     .instance_init = tpm_tis_initfn,
     .class_init  = tpm_tis_class_init,
+    .interfaces = (InterfaceInfo[]) {
+        { TYPE_TPM_IF },
+        { }
+    }
 };
 
 static void tpm_tis_register(void)