hw/pci_internals.h

   1 #ifndef QEMU_PCI_INTERNALS_H
   2 #define QEMU_PCI_INTERNALS_H
   3
   4 /*
   5  * This header files is private to pci.c and pci_bridge.c
   6  * So following structures are opaque to others and shouldn't be
   7  * accessed.
   8  *
   9  * For pci-to-pci bridge needs to include this header file to embed
  10  * PCIBridge in its structure or to get sizeof(PCIBridge),
  11  * However, they shouldn't access those following members directly.
  12  * Use accessor function in pci.h, pci_bridge.h
  13  */
  14
  15 extern struct BusInfo pci_bus_info;
  16
  17 struct PCIBus {
  18     BusState qbus;
  19     uint8_t devfn_min;
  20     pci_set_irq_fn set_irq;
  21     pci_map_irq_fn map_irq;
  22     pci_hotplug_fn hotplug;
  23     DeviceState *hotplug_qdev;
  24     void *irq_opaque;
  25     PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX];
  26     PCIDevice *parent_dev;
  27     target_phys_addr_t mem_base;
  28     MemoryRegion *address_space_mem;
  29     MemoryRegion *address_space_io;
  30
  31     QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
  32     QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
  33
  34     /* The bus IRQ state is the logical OR of the connected devices.
  35        Keep a count of the number of devices with raised IRQs.  */
  36     int nirq;
  37     int *irq_count;
  38 };
  39
  40 struct PCIBridge {
  41     PCIDevice dev;
  42
  43     /* private member */
  44     PCIBus sec_bus;
  45     pci_map_irq_fn map_irq;
  46     const char *bus_name;
  47 };
  48
  49 #endif /* QEMU_PCI_INTERNALS_H */