diff --git a/src/pci_passthrough_assist/pci.py b/src/pci_passthrough_assist/pci.py
new file mode 100644
index 0000000..68b8780
--- /dev/null
+++ b/src/pci_passthrough_assist/pci.py
@@ -0,0 +1,9 @@
+from os import listdir
+
+
+def all_pci_device_ids() -> list[str]:
+    return listdir("/sys/bus/pci/devices")
+
+
+def all_pci_driver_ids() -> list[str]:
+    return listdir("/sys/bus/pci/drivers")