include/hw/pci-host/gpex.h

   1 /*
   2  * QEMU Generic PCI Express Bridge Emulation
   3  *
   4  * Copyright (C) 2015 Alexander Graf <agraf@suse.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program 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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>
  18  */
  19
  20 #ifndef HW_GPEX_H
  21 #define HW_GPEX_H
  22
  23 #include "hw/sysbus.h"
  24 #include "hw/pci/pci.h"
  25 #include "hw/pci/pcie_host.h"
  26 #include "qom/object.h"
  27
  28 #define TYPE_GPEX_HOST "gpex-pcihost"
  29 typedef struct GPEXHost GPEXHost;
  30 DECLARE_INSTANCE_CHECKER(GPEXHost, GPEX_HOST,
  31                          TYPE_GPEX_HOST)
  32
  33 #define TYPE_GPEX_ROOT_DEVICE "gpex-root"
  34 typedef struct GPEXRootState GPEXRootState;
  35 DECLARE_INSTANCE_CHECKER(GPEXRootState, GPEX_ROOT_DEVICE,
  36                          TYPE_GPEX_ROOT_DEVICE)
  37
  38 #define GPEX_NUM_IRQS 4
  39
  40 struct GPEXRootState {
  41     /*< private >*/
  42     PCIDevice parent_obj;
  43     /*< public >*/
  44 };
  45
  46 struct GPEXHost {
  47     /*< private >*/
  48     PCIExpressHost parent_obj;
  49     /*< public >*/
  50
  51     GPEXRootState gpex_root;
  52
  53     MemoryRegion io_ioport;
  54     MemoryRegion io_mmio;
  55     qemu_irq irq[GPEX_NUM_IRQS];
  56     int irq_num[GPEX_NUM_IRQS];
  57 };
  58
  59 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
  60
  61 #endif /* HW_GPEX_H */