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-rw-r--r--include/hw/i386/intel_iommu.h3
-rw-r--r--include/hw/i386/x86-iommu.h46
2 files changed, 48 insertions, 1 deletions
diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index b024ffa720..680a0c4e5e 100644
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -23,6 +23,7 @@
 #define INTEL_IOMMU_H
 #include "hw/qdev.h"
 #include "sysemu/dma.h"
+#include "hw/i386/x86-iommu.h"
 
 #define TYPE_INTEL_IOMMU_DEVICE "intel-iommu"
 #define INTEL_IOMMU_DEVICE(obj) \
@@ -90,7 +91,7 @@ struct VTDIOTLBEntry {
 
 /* The iommu (DMAR) device state struct */
 struct IntelIOMMUState {
-    SysBusDevice busdev;
+    X86IOMMUState x86_iommu;
     MemoryRegion csrmem;
     uint8_t csr[DMAR_REG_SIZE];     /* register values */
     uint8_t wmask[DMAR_REG_SIZE];   /* R/W bytes */
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
new file mode 100644
index 0000000000..924f39ad25
--- /dev/null
+++ b/include/hw/i386/x86-iommu.h
@@ -0,0 +1,46 @@
+/*
+ * Common IOMMU interface for X86 platform
+ *
+ * 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/>.
+ */
+
+#ifndef IOMMU_COMMON_H
+#define IOMMU_COMMON_H
+
+#include "hw/sysbus.h"
+
+#define  TYPE_X86_IOMMU_DEVICE  ("x86-iommu")
+#define  X86_IOMMU_DEVICE(obj) \
+    OBJECT_CHECK(X86IOMMUState, (obj), TYPE_X86_IOMMU_DEVICE)
+#define  X86_IOMMU_CLASS(klass) \
+    OBJECT_CLASS_CHECK(X86IOMMUClass, (klass), TYPE_X86_IOMMU_DEVICE)
+#define  X86_IOMMU_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(X86IOMMUClass, obj, TYPE_X86_IOMMU_DEVICE)
+
+typedef struct X86IOMMUState X86IOMMUState;
+typedef struct X86IOMMUClass X86IOMMUClass;
+
+struct X86IOMMUClass {
+    SysBusDeviceClass parent;
+    /* Intel/AMD specific realize() hook */
+    DeviceRealize realize;
+};
+
+struct X86IOMMUState {
+    SysBusDevice busdev;
+};
+
+#endif