1 files changed, 53 insertions, 0 deletions
diff --git a/include/hw/sparc/sun4m_iommu.h b/include/hw/sparc/sun4m_iommu.h
new file mode 100644
index 000000000..4e2ab34cd
--- /dev/null
+++ b/include/hw/sparc/sun4m_iommu.h
@@ -0,0 +1,53 @@
+/*
+ * QEMU Sun4m iommu emulation
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef SUN4M_IOMMU_H
+#define SUN4M_IOMMU_H
+
+#include "hw/sysbus.h"
+#include "qom/object.h"
+
+#define IOMMU_NREGS         (4 * 4096 / 4)
+
+struct IOMMUState {
+    SysBusDevice parent_obj;
+
+    AddressSpace iommu_as;
+    IOMMUMemoryRegion iommu;
+
+    MemoryRegion iomem;
+    uint32_t regs[IOMMU_NREGS];
+    hwaddr iostart;
+    qemu_irq irq;
+    uint32_t version;
+};
+typedef struct IOMMUState IOMMUState;
+
+#define TYPE_SUN4M_IOMMU "sun4m-iommu"
+DECLARE_INSTANCE_CHECKER(IOMMUState, SUN4M_IOMMU,
+                         TYPE_SUN4M_IOMMU)
+
+#define TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region"
+
+#endif