Changeset 25966 in vbox for trunk/src/VBox/Devices/Audio/DevIchAc97.cpp

Timestamp:

Jan 22, 2010 11:15:43 AM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

56818

Message:

PDMIBASE refactoring; use UUID as interface IDs.

File:

• trunk/src/VBox/Devices/Audio/DevIchAc97.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/DevIchAc97.cpp

@@ -206 +206 @@
     /** Pointer to the attached audio driver. */
     PPDMIBASE               pDrvBase;
-    /** The base interface. */
+    /** The base interface for LUN\#0. */
     PDMIBASE                IBase;
     /** Base port of the I/O space region. */
@@ -1538 +1538 @@
 
 /**
- * Queries an interface to the driver.
- *
- * @returns Pointer to interface.
- * @returns NULL if the interface was not supported by the driver.
- * @param   pInterface          Pointer to this interface structure.
- * @param   enmInterface        The requested interface identification.
- * @thread  Any thread.
+ * @interface_method_impl{PDMIBASE,pfnQueryInterface}
  */
 static DECLCALLBACK(void *) ichac97QueryInterface (struct PDMIBASE *pInterface,
-                                                   PDMINTERFACE enmInterface)
-{
-    PCIAC97LinkState *pThis =
-        (PCIAC97LinkState *)((uintptr_t)pInterface
-                             - RT_OFFSETOF(PCIAC97LinkState, ac97.IBase));
+                                                   const char *pszIID)
+{
+    PCIAC97LinkState *pThis = RT_FROM_MEMBER(pInterface, PCIAC97LinkState, ac97.IBase);
     Assert(&pThis->ac97.IBase == pInterface);
-    switch (enmInterface)
-    {
-        case PDMINTERFACE_BASE:
-            return &pThis->ac97.IBase;
-        default:
-            return NULL;
-    }
+
+    if (RTUuidCompare2Strs(pszIID, PDMIBASE_IID) == 0)
+        return &pThis->ac97.IBase;
+    return NULL;
 }