def close(self, dbg, uri):
     cb = get_sr_callbacks(dbg, uri)
     VHDDatapath.epc_close(dbg, uri, cb)
     return None
 def open(self, dbg, uri, persistent):
     cb = get_sr_callbacks(dbg, uri)
     VHDDatapath.epc_open(dbg, uri, persistent, cb)
     return None
 def detach(self, dbg, uri, domain):
     cb = get_sr_callbacks(dbg, uri)
     VHDDatapath.detach(dbg, uri, domain, cb)
 def deactivate(self, dbg, uri, domain):
     cb = get_sr_callbacks(dbg, uri)
     VHDDatapath.deactivate(dbg, uri, domain, cb)
 def attach(self, dbg, uri, domain):
     cb = get_sr_callbacks(dbg, uri)
     return VHDDatapath.attach(dbg, uri, domain, cb)