qemu/include/hw/pci/pci_bus.h
<<
>>
Prefs
   1#ifndef QEMU_PCI_BUS_H
   2#define QEMU_PCI_BUS_H
   3
   4/*
   5 * PCI Bus datastructures.
   6 *
   7 * Do not access the following members directly;
   8 * use accessor functions in pci.h
   9 */
  10
  11typedef struct PCIBusClass {
  12    /*< private >*/
  13    BusClass parent_class;
  14    /*< public >*/
  15
  16    bool (*is_root)(PCIBus *bus);
  17    int (*bus_num)(PCIBus *bus);
  18    uint16_t (*numa_node)(PCIBus *bus);
  19} PCIBusClass;
  20
  21struct PCIBus {
  22    BusState qbus;
  23    PCIIOMMUFunc iommu_fn;
  24    void *iommu_opaque;
  25    uint8_t devfn_min;
  26    uint32_t slot_reserved_mask;
  27    pci_set_irq_fn set_irq;
  28    pci_map_irq_fn map_irq;
  29    pci_route_irq_fn route_intx_to_irq;
  30    void *irq_opaque;
  31    PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX];
  32    PCIDevice *parent_dev;
  33    MemoryRegion *address_space_mem;
  34    MemoryRegion *address_space_io;
  35
  36    QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
  37    QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
  38
  39    /* The bus IRQ state is the logical OR of the connected devices.
  40       Keep a count of the number of devices with raised IRQs.  */
  41    int nirq;
  42    int *irq_count;
  43
  44    Notifier machine_done;
  45};
  46
  47#endif /* QEMU_PCI_BUS_H */
  48