kapi/devices: add parent back-pointer to device

1 files changed, 6 insertions, 0 deletions

diff --git a/kapi/include/kapi/devices/device.hpp b/kapi/include/kapi/devices/device.hpp
index b3647da..9939494 100644
--- a/kapi/include/kapi/devices/device.hpp
+++ b/kapi/include/kapi/devices/device.hpp
@@ -3,6 +3,7 @@
 
 // IWYU pragma: private, include "kapi/devices.hpp"
 
+#include <kstd/memory>
 #include <kstd/string>
 
 #include <cstddef>
@@ -62,9 +63,14 @@ namespace kapi::devices
     [[nodiscard]] virtual auto is_block_device() const -> bool;
 
   private:
+    friend struct bus;
+
+    auto set_parent(kstd::observer_ptr<struct bus> parent) -> void;
+
     size_t m_major;
     size_t m_minor;
     kstd::string m_name;
+    kstd::observer_ptr<bus> m_parent;
   };
 
   //! @}