LXR qemu/include/hw/sparc/sun4m

   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
  33struct 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};
  45typedef struct IOMMUState IOMMUState;
  46
  47#define TYPE_SUN4M_IOMMU "sun4m-iommu"
  48DECLARE_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