devices: pci: add ioeventfds to PciDevice trait

VirtioDevices and potentially others need to register ioeventfds that
will be triggered when guests write to certain addresses. Allow
PciDevices to return an array of ioeventfds that the VM can install.

Change-Id: I2524c4e8c04f75a8d7868cac998304aecbb29c40
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1237360
Commit-Ready: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: Daniel Verkamp <dverkamp@chromium.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/aarch64/src/lib.rs b/aarch64/src/lib.rs
index e78ee55..88522b1 100644
--- a/aarch64/src/lib.rs
+++ b/aarch64/src/lib.rs
@@ -209,7 +209,8 @@ impl arch::LinuxArch for AArch64 {
 
         let (pci, pci_irqs) = arch::generate_pci_root(components.pci_devices,
                                                       &mut mmio_bus,
-                                                      &mut resources)
+                                                      &mut resources,
+                                                      &mut vm)
             .map_err(Error::CreatePciRoot)?;
 
         let exit_evt = EventFd::new().map_err(Error::CreateEventFd)?;