include/hw/pci/pci_bus.h

   1 #ifndef QEMU_PCI_BUS_H
   2 #define QEMU_PCI_BUS_H
   3
   4 #include "hw/pci/pci.h"
   5
   6 /*
   7  * PCI Bus datastructures.
   8  *
   9  * Do not access the following members directly;
  10  * use accessor functions in pci.h
  11  */
  12
  13 typedef struct PCIBusClass {
  14     /*< private >*/
  15     BusClass parent_class;
  16     /*< public >*/
  17
  18     bool (*is_root)(PCIBus *bus);
  19     int (*bus_num)(PCIBus *bus);
  20     uint16_t (*numa_node)(PCIBus *bus);
  21     bool (*allows_extended_config_space)(PCIBus *bus);
  22 } PCIBusClass;
  23
  24 struct PCIBus {
  25     BusState qbus;
  26     PCIIOMMUFunc iommu_fn;
  27     void *iommu_opaque;
  28     uint8_t devfn_min;
  29     uint32_t slot_reserved_mask;
  30     pci_set_irq_fn set_irq;
  31     pci_map_irq_fn map_irq;
  32     pci_route_irq_fn route_intx_to_irq;
  33     void *irq_opaque;
  34     PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX];
  35     PCIDevice *parent_dev;
  36     MemoryRegion *address_space_mem;
  37     MemoryRegion *address_space_io;
  38
  39     QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
  40     QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
  41
  42     /* The bus IRQ state is the logical OR of the connected devices.
  43        Keep a count of the number of devices with raised IRQs.  */
  44     int nirq;
  45     int *irq_count;
  46
  47     Notifier machine_done;
  48 };
  49
  50 #endif /* QEMU_PCI_BUS_H */