From 59f54d012c71e782966e9d083f1ee9459fd3fd70 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Sun, 26 Jul 2026 02:27:59 +0200
Subject: chore: replace "interface" with "facet"

---
 kernel/kapi/devices/driver_registry.tests.cpp | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'kernel/kapi/devices/driver_registry.tests.cpp')

diff --git a/kernel/kapi/devices/driver_registry.tests.cpp b/kernel/kapi/devices/driver_registry.tests.cpp
index d4d8a174..c7d1744d 100644
--- a/kernel/kapi/devices/driver_registry.tests.cpp
+++ b/kernel/kapi/devices/driver_registry.tests.cpp
@@ -15,7 +15,7 @@ namespace
 
   struct test_identification
   {
-    constexpr auto static id = kapi::devices::interface_id{"test_identification"};
+    constexpr auto static id = kapi::capabilities::facet_id{"test_identification"};
 
     virtual ~test_identification() = default;
 
@@ -25,6 +25,8 @@ namespace
 
   struct test_protocol final : kapi::devices::bus_protocol
   {
+    constexpr auto static id = kapi::capabilities::facet_id{"test_protocol"};
+
     explicit test_protocol(unsigned * match_calls)
         : match_calls{match_calls}
     {}
@@ -36,7 +38,7 @@ namespace
     {
       ++*match_calls;
 
-      auto const * identification = driver.as<test_identification>();
+      auto const * identification = driver.facet<test_identification>();
       if (!identification)
       {
         return kstd::failure(kapi::devices::driver_match_errc::no_match);
@@ -52,9 +54,14 @@ namespace
   {
     using kapi::devices::bus::bus;
 
-    [[nodiscard]] auto protocol() -> kapi::devices::bus_protocol * override
+    [[nodiscard]] auto query_facet(kapi::capabilities::facet_id id) -> void * override
     {
-      return &bus_protocol;
+      if (id == test_protocol::id || id == kapi::devices::bus_protocol::id)
+      {
+        return &bus_protocol;
+      }
+
+      return kapi::devices::bus::query_facet(id);
     }
 
     unsigned match_calls{};
@@ -106,14 +113,14 @@ namespace
     mutable unsigned probe_calls;
 
   protected:
-    auto query_interface(kapi::devices::interface_id interface) -> void * override
+    auto query_facet(kapi::capabilities::facet_id facet) -> void * override
     {
-      if (interface == test_identification::id)
+      if (facet == test_identification::id)
       {
         return static_cast<test_identification *>(this);
       }
 
-      return kapi::devices::driver::query_interface(interface);
+      return kapi::devices::driver::query_facet(facet);
     }
 
   private:
-- 
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