(&mut self, vm: &dyn hypervisor::Vm)
| 69 | } |
| 70 | |
| 71 | fn enable(&mut self, vm: &dyn hypervisor::Vm) -> Result<()> { |
| 72 | let gsi = match self.gsi { |
| 73 | Some(gsi) => gsi, |
| 74 | // Do nothing if no GSI was ever allocated for this route, which means the interrupt is still masked. |
| 75 | None => return Ok(()), |
| 76 | }; |
| 77 | |
| 78 | if !self.registered { |
| 79 | if let Some(ref irq_fd) = self.irq_fd { |
| 80 | vm.register_irqfd(irq_fd, gsi) |
| 81 | .map_err(|e| io::Error::other(format!("Failed registering irq_fd: {e}")))?; |
| 82 | } |
| 83 | |
| 84 | // Update internals to track the irq_fd as "registered". |
| 85 | self.registered = true; |
| 86 | } |
| 87 | |
| 88 | Ok(()) |
| 89 | } |
| 90 | |
| 91 | fn disable(&mut self, vm: &dyn hypervisor::Vm) -> Result<()> { |
| 92 | let gsi = match self.gsi { |
no test coverage detected