Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/src/VBox/VMM/VMMR0/IOMR0.cpp b/src/VBox/VMM/VMMR0/IOMR0.cpp
new file mode 100644
index 00000000..bf5178ba
--- /dev/null
+++ b/src/VBox/VMM/VMMR0/IOMR0.cpp
@@ -0,0 +1,86 @@
+/* $Id: IOMR0.cpp $ */
+/** @file
+ * IOM - Host Context Ring 0.
+ */
+
+/*
+ * Copyright (C) 2006-2023 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
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_IOM
+#include <VBox/vmm/iom.h>
+#include <VBox/vmm/pgm.h>
+#include "IOMInternal.h"
+#include <VBox/vmm/vmcc.h>
+#include <VBox/log.h>
+#include <iprt/assert.h>
+#include <iprt/assertcompile.h>
+#include <iprt/errcore.h>
+
+
+
+/**
+ * Initializes the per-VM data for the IOM.
+ *
+ * This is called from under the GVMM lock, so it should only initialize the
+ * data so IOMR0CleanupVM and others will work smoothly.
+ *
+ * @param   pGVM    Pointer to the global VM structure.
+ */
+VMMR0_INT_DECL(void) IOMR0InitPerVMData(PGVM pGVM)
+{
+    AssertCompile(sizeof(pGVM->iom.s) <= sizeof(pGVM->iom.padding));
+    AssertCompile(sizeof(pGVM->iomr0.s) <= sizeof(pGVM->iomr0.padding));
+
+    iomR0IoPortInitPerVMData(pGVM);
+    iomR0MmioInitPerVMData(pGVM);
+}
+
+
+/**
+ * Called during ring-0 init (vmmR0InitVM).
+ *
+ * @returns VBox status code.
+ * @param   pGVM    Pointer to the global VM structure.
+ */
+VMMR0_INT_DECL(int) IOMR0InitVM(PGVM pGVM)
+{
+    int rc = PGMR0HandlerPhysicalTypeSetUpContext(pGVM, PGMPHYSHANDLERKIND_MMIO, 0 /*fFlags*/,
+                                                  iomMmioHandlerNew, iomMmioPfHandlerNew,
+                                                  "MMIO", pGVM->iom.s.hNewMmioHandlerType);
+    AssertRCReturn(rc, rc);
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * Cleans up any loose ends before the GVM structure is destroyed.
+ */
+VMMR0_INT_DECL(void) IOMR0CleanupVM(PGVM pGVM)
+{
+    iomR0IoPortCleanupVM(pGVM);
+    iomR0MmioCleanupVM(pGVM);
+}
+