diff --git a/tools/pci.hpp b/tools/pci.hpp
new file mode 100644
index 0000000..96f1ea4
--- /dev/null
+++ b/tools/pci.hpp
@@ -0,0 +1,73 @@
+#pragma once
+
+extern "C" {
+#include <pci/pci.h>
+} // extern "C"
+
+#include <optional>
+#include <vector>
+
+namespace host_tool
+{
+
+/* The ASPEED AST2400 & AST2500 have the same VIDDID. */
+
+/**
+ * The PciDevice structure is a copy of the information to uniquely identify a
+ * PCI device.
+ */
+struct PciDevice
+{
+    int vid;
+    int did;
+    int bus;
+    int dev;
+    int func;
+};
+
+/**
+ * The PciFilter structure is a simple mechanism for filtering devices by their
+ * vendor and/or device ids.
+ */
+struct PciFilter
+{
+    int vid;
+    int did;
+};
+
+class PciUtilInterface
+{
+  public:
+    virtual ~PciUtilInterface() = default;
+
+    /**
+     * Get a list of PCI devices from a system.
+     *
+     * @param[in] filter - optional filter for the list.
+     * @return the list of devices.
+     */
+    virtual std::vector<PciDevice>
+        getPciDevices(std::optional<PciFilter> filter = std::nullopt) = 0;
+};
+
+class PciUtilImpl : public PciUtilInterface
+{
+  public:
+    PciUtilImpl()
+    {
+        pacc = pci_alloc();
+        pci_init(pacc);
+    }
+    ~PciUtilImpl()
+    {
+        pci_cleanup(pacc);
+    }
+
+    std::vector<PciDevice>
+        getPciDevices(std::optional<PciFilter> filter = std::nullopt) override;
+
+  private:
+    struct pci_access* pacc;
+};
+
+} // namespace host_tool