include/hw/ppc/pnv_xscom.h

   1 /*
   2  * QEMU PowerPC PowerNV XSCOM bus definitions
   3  *
   4  * Copyright (c) 2016, IBM Corporation.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #ifndef _PPC_PNV_XSCOM_H
  20 #define _PPC_PNV_XSCOM_H
  21
  22 #include "qom/object.h"
  23
  24 typedef struct PnvChip PnvChip;
  25
  26 typedef struct PnvXScomInterface {
  27     Object parent;
  28 } PnvXScomInterface;
  29
  30 #define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
  31 #define PNV_XSCOM_INTERFACE(obj) \
  32      OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
  33 #define PNV_XSCOM_INTERFACE_CLASS(klass)                \
  34     OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
  35                        TYPE_PNV_XSCOM_INTERFACE)
  36 #define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
  37      OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
  38
  39 typedef struct PnvXScomInterfaceClass {
  40     InterfaceClass parent;
  41     int (*populate)(PnvXScomInterface *dev, void *fdt, int offset);
  42 } PnvXScomInterfaceClass;
  43
  44 extern void pnv_xscom_realize(PnvChip *chip, Error **errp);
  45 extern int pnv_xscom_populate(PnvChip *chip, void *fdt, int offset);
  46
  47 extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
  48                                     MemoryRegion *mr);
  49 extern void pnv_xscom_region_init(MemoryRegion *mr,
  50                                   struct Object *owner,
  51                                   const MemoryRegionOps *ops,
  52                                   void *opaque,
  53                                   const char *name,
  54                                   uint64_t size);
  55
  56 #endif /* _PPC_PNV_XSCOM_H */