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 "exec/hwaddr.h"
  24 #include "hw/sysbus.h"
  25 #include "hw/pci/pci_device.h"
  26 #include "hw/pci/pcie_host.h"
  27 #include "qom/object.h"
  28
  29 #define TYPE_GPEX_HOST "gpex-pcihost"
  30 OBJECT_DECLARE_SIMPLE_TYPE(GPEXHost, GPEX_HOST)
  31
  32 #define TYPE_GPEX_ROOT_DEVICE "gpex-root"
  33 OBJECT_DECLARE_SIMPLE_TYPE(GPEXRootState, GPEX_ROOT_DEVICE)
  34
  35 struct GPEXRootState {
  36     /*< private >*/
  37     PCIDevice parent_obj;
  38     /*< public >*/
  39 };
  40
  41 struct GPEXConfig {
  42     MemMapEntry ecam;
  43     MemMapEntry mmio32;
  44     MemMapEntry mmio64;
  45     MemMapEntry pio;
  46     int         irq;
  47     PCIBus      *bus;
  48 };
  49
  50 typedef struct GPEXIrq GPEXIrq;
  51 struct GPEXHost {
  52     /*< private >*/
  53     PCIExpressHost parent_obj;
  54     /*< public >*/
  55
  56     GPEXRootState gpex_root;
  57
  58     MemoryRegion io_ioport;
  59     MemoryRegion io_mmio;
  60     MemoryRegion io_ioport_window;
  61     MemoryRegion io_mmio_window;
  62     GPEXIrq *irq;
  63     uint8_t num_irqs;
  64
  65     bool allow_unmapped_accesses;
  66
  67     struct GPEXConfig gpex_cfg;
  68 };
  69
  70 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
  71
  72 void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg);
  73 void acpi_dsdt_add_gpex_host(Aml *scope, uint32_t irq);
  74
  75 #define PCI_HOST_PIO_BASE               "x-pio-base"
  76 #define PCI_HOST_PIO_SIZE               "x-pio-size"
  77 #define PCI_HOST_ECAM_BASE              "x-ecam-base"
  78 #define PCI_HOST_ECAM_SIZE              "x-ecam-size"
  79 #define PCI_HOST_BELOW_4G_MMIO_BASE     "x-below-4g-mmio-base"
  80 #define PCI_HOST_BELOW_4G_MMIO_SIZE     "x-below-4g-mmio-size"
  81 #define PCI_HOST_ABOVE_4G_MMIO_BASE     "x-above-4g-mmio-base"
  82 #define PCI_HOST_ABOVE_4G_MMIO_SIZE     "x-above-4g-mmio-size"
  83
  84 #endif /* HW_GPEX_H */