Lines Matching refs:XBT_NIL
60 devpath = xenbus_read(XBT_NIL, dev->nodename, "dev", NULL); in blkback_name()
653 err = xenbus_printf(XBT_NIL, dev->nodename, in xen_blkbk_probe()
662 err = xenbus_printf(XBT_NIL, dev->nodename, in xen_blkbk_probe()
676 err = xenbus_printf(XBT_NIL, dev->nodename, "max-ring-page-order", "%u", in xen_blkbk_probe()
713 err = xenbus_scanf(XBT_NIL, dev->nodename, "physical-device", "%x:%x", in backend_changed()
735 be->mode = xenbus_read(XBT_NIL, dev->nodename, "mode", NULL); in backend_changed()
743 device_type = xenbus_read(XBT_NIL, dev->otherend, "device-type", NULL); in backend_changed()
975 err = xenbus_scanf(XBT_NIL, dir, "event-channel", "%u", in read_per_ring_refs()
1000 err = xenbus_scanf(XBT_NIL, dir, ring_ref_name, in read_per_ring_refs()
1072 err = xenbus_scanf(XBT_NIL, dev->otherend, "protocol", in connect_ring()
1116 err = xenbus_scanf(XBT_NIL, dev->otherend, "ring-page-order", "%u", in connect_ring()