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 11 typedef 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 21 struct 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