1 /* 2 * QEMU Sun4m iommu emulation 3 * 4 * Copyright (c) 2003-2005 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef SUN4M_IOMMU_H 26 #define SUN4M_IOMMU_H 27 28 #include "hw/sysbus.h" 29 #include "qom/object.h" 30 31 #define IOMMU_NREGS (4 * 4096 / 4) 32 33 struct IOMMUState { 34 SysBusDevice parent_obj; 35 36 AddressSpace iommu_as; 37 IOMMUMemoryRegion iommu; 38 39 MemoryRegion iomem; 40 uint32_t regs[IOMMU_NREGS]; 41 hwaddr iostart; 42 qemu_irq irq; 43 uint32_t version; 44 }; 45 typedef struct IOMMUState IOMMUState; 46 47 #define TYPE_SUN4M_IOMMU "sun4m-iommu" 48 DECLARE_INSTANCE_CHECKER(IOMMUState, SUN4M_IOMMU, 49 TYPE_SUN4M_IOMMU) 50 51 #define TYPE_SUN4M_IOMMU_MEMORY_REGION "sun4m-iommu-memory-region" 52 53 #endif 54