virtio: add option to bind interface to uio driver

[vpp.git] / src / vnet / devices / virtio / pci.c

diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c
index f678c39..cb177b3 100644 (file)
--- a/src/vnet/devices/virtio/pci.c
+++ b/src/vnet/devices/virtio/pci.c
@@ -1343,6 +1343,24 @@ virtio_pci_create_if (vlib_main_t * vm, virtio_pci_create_if_args_t * args)
   }
   /* *INDENT-ON* */
 
+  if (args->bind)
+    {
+      vlib_pci_addr_t pci = { .as_u32 = args->addr };
+      error = vlib_pci_bind_to_uio (vm, &pci, (char *) "auto",
+                                   VIRTIO_BIND_FORCE == args->bind);
+      if (error)
+       {
+         args->rv = VNET_API_ERROR_INVALID_INTERFACE;
+         args->error =
+           clib_error_return (error, "%U: %s", format_vlib_pci_addr, &pci,
+                              "error encountered on binding pci device");
+         vlib_log (VLIB_LOG_LEVEL_ERR, vim->log_default, "%U: %s",
+                   format_vlib_pci_addr, &pci,
+                   "error encountered on binding pci devicee");
+         return;
+       }
+    }
+
   pool_get (vim->interfaces, vif);
   vif->dev_instance = vif - vim->interfaces;
   vif->per_interface_next_index = ~0;