Changeset 10263 in vbox for trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c

Timestamp:

Jul 5, 2008 12:26:17 AM (16 years ago)

Author:

vboxsync

Message:

Inter-Driver Communication (IDC) interface for the support driver. The OS specific bits in SUPDrv.

File:

• trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c

@@ -34 +34 @@
 *   Header Files                                                               *
 *******************************************************************************/
-#include "SUPDrvInternal.h"
+#include "../SUPDrvInternal.h"
 #include "the-linux-kernel.h"
 #include "version-generated.h"
@@ -846 +846 @@
 
 /**
+ * The SUPDRV IDC entry point.
+ *
+ * @returns VBox status code, see supdrvIDC.
+ * @param   iReq        The request code.
+ * @param   pReq        The request.
+ */
+int VBOXCALL SUPDrvLinuxIDC(uint32_t uReq, PSUPDRVIDCREQHDR pReq)
+{
+    PSUPDRVSESSION  pSession;
+
+    /*
+     * Some quick validations.
+     */
+    if (RT_UNLIKELY(!VALID_PTR(pReq)))
+        return VERR_INVALID_POINTER;
+
+    pSession = pReq->pSession;
+    if (pSession)
+    {
+        if (RT_UNLIKELY(!VALID_PTR(pSession)))
+            return VERR_INVALID_PARAMETER;
+        if (RT_UNLIKELY(pSession->pDevExt != &g_DevExt))
+            return VERR_INVALID_PARAMETER;
+    }
+    else if (RT_UNLIKELY(uReq != SUPDRV_IDC_REQ_CONNECT))
+        return VERR_INVALID_PARAMETER;
+
+    /*
+     * Do the job.
+     */
+    return supdrvIDC(uReq, &g_DevExt, pSession, pReq);
+}
+
+EXPORT_SYMBOL(SUPDrvLinuxIDC);
+
+
+/**
  * Initializes any OS specific object creator fields.
  */