include/hw/misc/mmio_interface.h

   1 /*
   2  * mmio_interface.h
   3  *
   4  *  Copyright (C) 2017 : GreenSocs
   5  *      http://www.greensocs.com/ , email: info@greensocs.com
   6  *
   7  *  Developed by :
   8  *  Frederic Konrad   <fred.konrad@greensocs.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 2 of the License, or
  13  * (at your option)any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, see <http://www.gnu.org/licenses/>.
  22  *
  23  */
  24
  25 #ifndef MMIO_INTERFACE_H
  26 #define MMIO_INTERFACE_H
  27
  28 #include "exec/memory.h"
  29
  30 #define TYPE_MMIO_INTERFACE "mmio_interface"
  31 #define MMIO_INTERFACE(obj) OBJECT_CHECK(MMIOInterface, (obj),                 \
  32                                          TYPE_MMIO_INTERFACE)
  33
  34 typedef struct MMIOInterface {
  35     DeviceState parent_obj;
  36
  37     MemoryRegion *subregion;
  38     MemoryRegion ram_mem;
  39     uint64_t start;
  40     uint64_t end;
  41     bool ro;
  42     uint64_t id;
  43     void *host_ptr;
  44 } MMIOInterface;
  45
  46 void mmio_interface_map(MMIOInterface *s);
  47 void mmio_interface_unmap(MMIOInterface *s);
  48
  49 #endif /* MMIO_INTERFACE_H */