2 files changed, 2 insertions, 1 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 8fc3c4ea9b..7805bddc74 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -977,7 +977,7 @@ static uint64_t virtio_pci_common_read(void *opaque, hwaddr addr,
         val = vdev->status;
         break;
     case VIRTIO_PCI_COMMON_CFGGENERATION:
-        val = 0; /* TODO */
+        val = vdev->generation;
         break;
     case VIRTIO_PCI_COMMON_Q_SELECT:
         val = vdev->queue_sel;
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 8a6ebae368..cae5ecab19 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -930,6 +930,7 @@ void virtio_notify_config(VirtIODevice *vdev)
         return;
 
     vdev->isr |= 0x03;
+    vdev->generation++;
     virtio_notify_vector(vdev, vdev->config_vector);
 }