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-rw-r--r--hw/i386/x86-iommu.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
new file mode 100644
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+++ b/hw/i386/x86-iommu.c
@@ -0,0 +1,53 @@
+/*
+ * QEMU emulation of common X86 IOMMU
+ *
+ * Copyright (C) 2016 Peter Xu, Red Hat <peterx@redhat.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/sysbus.h"
+#include "hw/boards.h"
+#include "hw/i386/x86-iommu.h"
+
+static void x86_iommu_realize(DeviceState *dev, Error **errp)
+{
+ X86IOMMUClass *x86_class = X86_IOMMU_GET_CLASS(dev);
+ if (x86_class->realize) {
+ x86_class->realize(dev, errp);
+ }
+}
+
+static void x86_iommu_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ dc->realize = x86_iommu_realize;
+}
+
+static const TypeInfo x86_iommu_info = {
+ .name = TYPE_X86_IOMMU_DEVICE,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(X86IOMMUState),
+ .class_init = x86_iommu_class_init,
+ .class_size = sizeof(X86IOMMUClass),
+ .abstract = true,
+};
+
+static void x86_iommu_register_types(void)
+{
+ type_register_static(&x86_iommu_info);
+}
+
+type_init(x86_iommu_register_types)