130     irqfd: Option<Event>,  field
146             irqfd: None,  in new()
254         let irqfd = match self.irqfd.take() {  in allocate_one_msi()  localVariable
265         let request = VmIrqRequest::AllocateOneMsi { irqfd };  in allocate_one_msi()
269         self.irqfd = match request {  in allocate_one_msi()
270             VmIrqRequest::AllocateOneMsi { irqfd } => Some(irqfd),  in allocate_one_msi()
286         if self.gsi.is_none() || self.irqfd.is_none() {  in enable()
294         self.irqfd.as_ref()  in get_msi_irqfd()
412             let irqfd = self.config.get_irqfd(i as usize);  in get_msix_irqfds()  localVariable
413             if let Some(fd) = irqfd {  in get_msix_irqfds()
605         let irqfd = match &self.msi_cap {  in enable_msi()  localVariable
621         fds.push(irqfd);  in enable_msi()