include/hw/ppc/pnv_sbe.h

   1 /*
   2  * QEMU PowerPC PowerNV Emulation of some SBE behaviour
   3  *
   4  * Copyright (c) 2022, 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 2.1 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
  20 #ifndef PPC_PNV_SBE_H
  21 #define PPC_PNV_SBE_H
  22
  23 #include "exec/memory.h"
  24 #include "hw/qdev-core.h"
  25
  26 #define TYPE_PNV_SBE "pnv-sbe"
  27 OBJECT_DECLARE_TYPE(PnvSBE, PnvSBEClass, PNV_SBE)
  28 #define TYPE_PNV9_SBE TYPE_PNV_SBE "-POWER9"
  29 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV9_SBE, TYPE_PNV9_SBE)
  30 #define TYPE_PNV10_SBE TYPE_PNV_SBE "-POWER10"
  31 DECLARE_INSTANCE_CHECKER(PnvSBE, PNV10_SBE, TYPE_PNV10_SBE)
  32
  33 struct PnvSBE {
  34     DeviceState xd;
  35
  36     uint64_t mbox[8];
  37     uint64_t sbe_doorbell;
  38     uint64_t host_doorbell;
  39
  40     qemu_irq psi_irq;
  41     QEMUTimer *timer;
  42
  43     MemoryRegion xscom_mbox_regs;
  44     MemoryRegion xscom_ctrl_regs;
  45 };
  46
  47 struct PnvSBEClass {
  48     DeviceClass parent_class;
  49
  50     int xscom_ctrl_size;
  51     int xscom_mbox_size;
  52     const MemoryRegionOps *xscom_ctrl_ops;
  53     const MemoryRegionOps *xscom_mbox_ops;
  54 };
  55
  56 #endif /* PPC_PNV_SBE_H */