diff --git a/devstack/lib/ironic b/devstack/lib/ironic
index e847e89b04..fdb85994d6 100644
--- a/devstack/lib/ironic
+++ b/devstack/lib/ironic
@@ -160,7 +160,8 @@ fi
 IRONIC_ENABLED_DRIVERS=${IRONIC_ENABLED_DRIVERS:-fake,pxe_ipmitool,agent_ipmitool}
 IRONIC_ENABLED_HARDWARE_TYPES=${IRONIC_ENABLED_HARDWARE_TYPES:-"ipmi,fake-hardware"}
 # list of all available driver interfaces types
-IRONIC_DRIVER_INTERFACE_TYPES="boot power management deploy console inspect raid rescue storage network vendor"
+IRONIC_DRIVER_INTERFACE_TYPES="bios boot power management deploy console inspect raid rescue storage network vendor"
+IRONIC_ENABLED_BIOS_INTERFACES=${IRONIC_ENABLED_BIOS_INTERFACES:-"fake,no-bios"}
 IRONIC_ENABLED_BOOT_INTERFACES=${IRONIC_ENABLED_BOOT_INTERFACES:-"fake,pxe"}
 IRONIC_ENABLED_CONSOLE_INTERFACES=${IRONIC_ENABLED_CONSOLE_INTERFACES:-"fake,no-console"}
 IRONIC_ENABLED_DEPLOY_INTERFACES=${IRONIC_ENABLED_DEPLOY_INTERFACES:-"fake,iscsi,direct"}
@@ -173,6 +174,7 @@ IRONIC_ENABLED_RESCUE_INTERFACES=${IRONIC_ENABLED_RESCUE_INTERFACES:-"fake,agent
 IRONIC_ENABLED_STORAGE_INTERFACES=${IRONIC_ENABLED_STORAGE_INTERFACES:-"fake,cinder,noop"}
 IRONIC_ENABLED_VENDOR_INTERFACES=${IRONIC_ENABLED_VENDOR_INTERFACES:-"fake,ipmitool,no-vendor"}
 # for usage with hardware types
+IRONIC_DEFAULT_BIOS_INTERFACE=${IRONIC_DEFAULT_BIOS_INTERFACE:-}
 IRONIC_DEFAULT_BOOT_INTERFACE=${IRONIC_DEFAULT_BOOT_INTERFACE:-}
 IRONIC_DEFAULT_CONSOLE_INTERFACE=${IRONIC_DEFAULT_CONSOLE_INTERFACE:-}
 IRONIC_DEFAULT_DEPLOY_INTERFACE=${IRONIC_DEFAULT_DEPLOY_INTERFACE:-}
@@ -2511,6 +2513,7 @@ function ironic_configure_tempest {
 
     iniset $TEMPEST_CONFIG baremetal enabled_drivers $IRONIC_ENABLED_DRIVERS
     iniset $TEMPEST_CONFIG baremetal enabled_hardware_types $IRONIC_ENABLED_HARDWARE_TYPES
+    iniset $TEMPEST_CONFIG baremetal enabled_bios_interfaces $IRONIC_ENABLED_BIOS_INTERFACES
     iniset $TEMPEST_CONFIG baremetal enabled_deploy_interfaces $IRONIC_ENABLED_DEPLOY_INTERFACES
     iniset $TEMPEST_CONFIG baremetal enabled_rescue_interfaces $IRONIC_ENABLED_RESCUE_INTERFACES
     # Driver for API tests