diff --git a/tools/testing/selftests/vfio/.gitignore b/tools/testing/selftests/vfio/.gitignore
index 7fadc19d3bca..fc14bc18bcd8 100644
--- a/tools/testing/selftests/vfio/.gitignore
+++ b/tools/testing/selftests/vfio/.gitignore
@@ -8,3 +8,4 @@
 !*.mk
 !.gitignore
 !Makefile
+!settings
diff --git a/tools/testing/selftests/vfio/settings b/tools/testing/selftests/vfio/settings
new file mode 100644
index 000000000000..c9abf1c19f19
--- /dev/null
+++ b/tools/testing/selftests/vfio/settings
@@ -0,0 +1,5 @@
+# Extend kselftest default 45s timeout based on worst case test runtime,
+# currently vfio:vfio_pci_driver_test running on physical NIC, battling
+# SMIs due to invoked firmware-first error handling from bad DMAs and
+# device wedging.  Observed worst case ~450s, extend to 600s.
+timeout=600