vlib: do not unbind devices already bound to vfio-pci
@@ -109,6 +109,11 @@ vlib_pci_bind_to_uio (vlib_pci_device_t * d, char *uio_driver_name)
goto done;
vec_reset_length (s);
+ s = format (s, "%v/iommu_group%c", dev_dir_name, 0);
+ if (access ((char *) s, F_OK) == 0)
+ goto done;
+ vec_reset_length (s);
+
/* walk trough all linux interfaces and if interface belonging to
this device is founf check if interface is admin up */
dir = opendir ("/sys/class/net");
