kapi: allow for device searches

1 files changed, 22 insertions, 0 deletions

diff --git a/kernel/kapi/devices.cpp b/kernel/kapi/devices.cpp
index c0b738e..7d35778 100644
--- a/kernel/kapi/devices.cpp
+++ b/kernel/kapi/devices.cpp
@@ -11,6 +11,7 @@
 #include <atomic>
 #include <cstddef>
 #include <optional>
+#include <string_view>
 #include <utility>
 
 namespace kapi::devices
@@ -62,4 +63,25 @@ namespace kapi::devices
     return false;
   }
 
+  auto find_device(std::size_t major, std::size_t minor) -> kstd::observer_ptr<device>
+  {
+    if (device_tree.contains(std::pair{major, minor}))
+    {
+      return device_tree.at(std::pair{major, minor});
+    }
+    return nullptr;
+  }
+
+  auto find_device(std::string_view name) -> kstd::observer_ptr<device>
+  {
+    for (auto const & [key, value] : device_tree)
+    {
+      if (value->name() == name)
+      {
+        return value;
+      }
+    }
+    return nullptr;
+  }
+
 }  // namespace kapi::devices
\ No newline at end of file