79     xs_node_printf(xenbus->xsh, tid, xendev->backend_path, "state",  in xen_device_unplug()
152         if (!strcmp(key[i], "state") ||  in xen_bus_backend_create()
203         enum xenbus_state state;  in xen_bus_type_enumerate()  local
206         if (xs_node_scanf(xenbus->xsh, XBT_NULL, backend_path, "state",  in xen_bus_type_enumerate()
207                           NULL, "%u", &state) != 1)  in xen_bus_type_enumerate()
208             state = XenbusStateUnknown;  in xen_bus_type_enumerate()
214         if (online && state == XenbusStateInitialising &&  in xen_bus_type_enumerate()
446                                   enum xenbus_state state)  in xen_device_backend_set_state()  argument
450     if (xendev->backend_state == state) {  in xen_device_backend_set_state()
455                                    xs_strstate(state));  in xen_device_backend_set_state()
457     xendev->backend_state = state;  in xen_device_backend_set_state()
458     xen_device_backend_printf(xendev, "state", "%u", state);  in xen_device_backend_set_state()
481  * Tell from the state whether the frontend is likely alive,
482  * i.e. it will react to a change of state of the backend.
501     enum xenbus_state state;  in xen_device_backend_changed()  local
506     if (xen_device_backend_scanf(xendev, "state", "%u", &state) != 1) {  in xen_device_backend_changed()
507         state = XenbusStateUnknown;  in xen_device_backend_changed()
510     xen_device_backend_set_state(xendev, state);  in xen_device_backend_changed()
520      * state to Closing, but there is no active frontend then set the  in xen_device_backend_changed()
521      * backend state to Closed.  in xen_device_backend_changed()
523     if (state == XenbusStateClosing &&  in xen_device_backend_changed()
535         (state == XenbusStateClosed ||  state == XenbusStateInitialising ||  in xen_device_backend_changed()
536          state == XenbusStateInitWait || state == XenbusStateUnknown) &&  in xen_device_backend_changed()
544          * Re-write the state to cause a XenBus backend_watch notification,  in xen_device_backend_changed()
547         xen_device_backend_printf(xendev, "state", "%u", state);  in xen_device_backend_changed()
569                       "state", xen_device_backend_changed, xendev,  in xen_device_backend_create()
572         error_prepend(errp, "failed to watch backend state: ");  in xen_device_backend_create()
664                                           enum xenbus_state state,  in xen_device_frontend_set_state()  argument
669     if (xendev->frontend_state == state) {  in xen_device_frontend_set_state()
674                                     xs_strstate(state));  in xen_device_frontend_set_state()
676     xendev->frontend_state = state;  in xen_device_frontend_set_state()
678         xen_device_frontend_printf(xendev, "state", "%u", state);  in xen_device_frontend_set_state()
687     enum xenbus_state state;  in xen_device_frontend_changed()  local
691     if (xen_device_frontend_scanf(xendev, "state", "%u", &state) != 1) {  in xen_device_frontend_changed()
692         state = XenbusStateUnknown;  in xen_device_frontend_changed()
695     xen_device_frontend_set_state(xendev, state, false);  in xen_device_frontend_changed()
697     if (state == XenbusStateInitialising &&  in xen_device_frontend_changed()
711         xendev_class->frontend_changed(xendev, state, &local_err);  in xen_device_frontend_changed()
721     enum xenbus_state state;  in xen_device_frontend_exists()  local
723     return (xen_device_frontend_scanf(xendev, "state", "%u", &state) == 1);  in xen_device_frontend_exists()
759         xs_node_watch(xendev->xsh, xendev->frontend_path, "state",  in xen_device_frontend_create()
762         error_prepend(errp, "failed to watch frontend state: ");  in xen_device_frontend_create()