pci: add vlib_pci_get_msix_file_index

Type: improvement
Change-Id: Ibc15aa6f75e989b2b7caa9a57e3665b1ffc7cc18
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vlib/pci/pci.h b/src/vlib/pci/pci.h
index d3b43ba..5aae597 100644
--- a/src/vlib/pci/pci.h
+++ b/src/vlib/pci/pci.h
@@ -316,6 +316,8 @@
 					 u16 count);
 clib_error_t *vlib_pci_map_dma (vlib_main_t * vm, vlib_pci_dev_handle_t h,
 				void *ptr);
+uword vlib_pci_get_msix_file_index (vlib_main_t * vm, vlib_pci_dev_handle_t h,
+				    u16 index);
 
 int vlib_pci_supports_virtual_addr_dma (vlib_main_t * vm,
 					vlib_pci_dev_handle_t h);