when do virtual secondary bus reset, the vfio device under
this bus need to do host bus reset to reset the device.
so add this case.
Signed-off-by: Chen Fan <chen.fan.f...@cn.fujitsu.com>
---
hw/vfio/pci.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index a86edab..5bdfa73 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -4246,6 +4246,15 @@ static void vfio_pci_reset(DeviceState *dev)
trace_vfio_pci_reset(vdev->vbasedev.name);
+ if (vdev->needs_bus_reset) {
+ vdev->needs_bus_reset = false;
+ /* Avoid duplicate bus reset */
+ if (vdev->vbasedev.needs_reset) {
+ vfio_pci_hot_reset(vdev, false);
+ }
+ return;
+ }
+
vfio_pci_pre_reset(vdev);
if (vdev->resetfn && !vdev->resetfn(vdev)) {
--
1.9.3
