Add optional VirtIO device method for post-attach notifications

This is called after the parent device (ie virito_pci) has
completed the device attachment/initialization.

2 files changed, 15 insertions, 1 deletions

diff --git a/sys/dev/virtio/pci/virtio_pci.c b/sys/dev/virtio/pci/virtio_pci.c
index b3df3d9..dcd82ec 100644
--- a/sys/dev/virtio/pci/virtio_pci.c
+++ b/sys/dev/virtio/pci/virtio_pci.c
@@ -757,8 +757,10 @@ vtpci_probe_and_attach_child(struct vtpci_softc *sc)
 		vtpci_release_child_resources(sc);
 		/* Reset status for future attempt. */
 		vtpci_set_status(dev, VIRTIO_CONFIG_STATUS_ACK);
-	} else
+	} else {
 		vtpci_set_status(dev, VIRTIO_CONFIG_STATUS_DRIVER_OK);
+		VIRTIO_ATTACH_COMPLETED(child);
+	}
 }
 
 static int
diff --git a/sys/dev/virtio/virtio_if.m b/sys/dev/virtio/virtio_if.m
index 9a99d37..521f4b8 100644
--- a/sys/dev/virtio/virtio_if.m
+++ b/sys/dev/virtio/virtio_if.m
@@ -31,6 +31,18 @@ INTERFACE virtio;
 
 CODE {
 	static int
+	virtio_default_attach_completed(device_t dev)
+	{
+		return (0);
+	}
+};
+
+METHOD int attach_completed {
+	device_t	dev;
+} DEFAULT virtio_default_attach_completed;
+
+CODE {
+	static int
 	virtio_default_config_change(device_t dev)
 	{
 		return (0);