qemu

FORK: QEMU emulator
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sun4m_iommu.h (1769B)

      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