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