1 files changed, 85 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/mp-r0drv.h b/src/VBox/Runtime/r0drv/mp-r0drv.h
new file mode 100644
index 00000000..149d78f9
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/mp-r0drv.h
@@ -0,0 +1,85 @@
+/* $Id: mp-r0drv.h $ */
+/** @file
+ * IPRT - Multiprocessor, Ring-0 Driver, Internal Header.
+ */
+
+/*
+ * Copyright (C) 2008-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h
+#define IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/mp.h>
+
+RT_C_DECLS_BEGIN
+
+/**
+ * MP callback
+ *
+ * @param   idCpu       CPU id
+ * @param   pvUser1     The first user argument.
+ * @param   pvUser2     The second user argument.
+ */
+typedef DECLCALLBACK(void) FNMPWORKER(RTCPUID idCpu, void *pvUser1, void *pvUser2);
+/** Pointer to a FNMPWORKER(). */
+typedef FNMPWORKER *PFNMPWORKER;
+
+/**
+ * RTMpOn* argument packet used by the host specific callback
+ * wrapper functions.
+ */
+typedef struct RTMPARGS
+{
+    PFNMPWORKER pfnWorker;
+    void       *pvUser1;
+    void       *pvUser2;
+    RTCPUID     idCpu;
+    RTCPUID     idCpu2;
+    uint32_t volatile cHits;
+#ifdef RT_OS_WINDOWS
+    /** Turns out that KeFlushQueuedDpcs doesn't necessarily wait till all
+     * callbacks are done.  So, do reference counting to make sure we don't free
+     * this structure befor all CPUs have completely handled their requests.  */
+    int32_t volatile  cRefs;
+#endif
+#ifdef RT_OS_LINUX
+    PRTCPUSET   pWorkerSet;
+#endif
+} RTMPARGS;
+/** Pointer to a RTMpOn* argument packet. */
+typedef RTMPARGS *PRTMPARGS;
+
+/* Called from initterm-r0drv.cpp: */
+DECLHIDDEN(int)  rtR0MpNotificationInit(void);
+DECLHIDDEN(void) rtR0MpNotificationTerm(void);
+
+/* The following is only relevant when using mpnotifcation-r0drv.cpp: */
+DECLHIDDEN(int)  rtR0MpNotificationNativeInit(void);
+DECLHIDDEN(void) rtR0MpNotificationNativeTerm(void);
+DECLHIDDEN(void) rtMpNotificationDoCallbacks(RTMPEVENT enmEvent, RTCPUID idCpu);
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h */
+