include/hw/sparc/sun4u_iommu.h

   1 /*
   2  * QEMU sun4u IOMMU emulation
   3  *
   4  * Copyright (c) 2006 Fabrice Bellard
   5  * Copyright (c) 2012,2013 Artyom Tarasenko
   6  * Copyright (c) 2017 Mark Cave-Ayland
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  24  * THE SOFTWARE.
  25  */
  26
  27 #ifndef SUN4U_IOMMU_H
  28 #define SUN4U_IOMMU_H
  29
  30 #include "hw/sysbus.h"
  31 #include "qom/object.h"
  32
  33 #define IOMMU_NREGS             3
  34
  35 struct IOMMUState {
  36     SysBusDevice parent_obj;
  37
  38     AddressSpace iommu_as;
  39     IOMMUMemoryRegion iommu;
  40
  41     MemoryRegion iomem;
  42     uint64_t regs[IOMMU_NREGS];
  43 };
  44 typedef struct IOMMUState IOMMUState;
  45
  46 #define TYPE_SUN4U_IOMMU "sun4u-iommu"
  47 DECLARE_INSTANCE_CHECKER(IOMMUState, SUN4U_IOMMU,
  48                          TYPE_SUN4U_IOMMU)
  49
  50 #define TYPE_SUN4U_IOMMU_MEMORY_REGION "sun4u-iommu-memory-region"
  51
  52 #endif