1 files changed, 52 insertions, 0 deletions
diff --git a/src/VBox/VMM/include/PDMInline.h b/src/VBox/VMM/include/PDMInline.h
new file mode 100644
index 00000000..d0ba8984
--- /dev/null
+++ b/src/VBox/VMM/include/PDMInline.h
@@ -0,0 +1,52 @@
+/* $Id: PDMInline.h $ */
+/** @file
+ * PDM - Internal header file containing the inlined functions.
+ */
+
+/*
+ * Copyright (C) 2012-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VMM_INCLUDED_SRC_include_PDMInline_h
+#define VMM_INCLUDED_SRC_include_PDMInline_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+
+/**
+ * Calculates the next IRQ tag.
+ *
+ * @returns IRQ tag.
+ * @param   pVM                 The cross context VM structure.
+ * @param   idTracer            The ID of the source device.
+ */
+DECLINLINE(uint32_t) pdmCalcIrqTag(PVM pVM, uint32_t idTracer)
+{
+    uint32_t uTag = (pVM->pdm.s.uIrqTag + 1) & 0x3ff; /* {0..1023} */
+    if (!uTag)
+        uTag++;
+    pVM->pdm.s.uIrqTag = uTag |= (idTracer << 16);
+    return uTag;
+}
+
+#endif /* !VMM_INCLUDED_SRC_include_PDMInline_h */
+