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 } PCIBusClass; 22 23 struct PCIBus { 24 BusState qbus; 25 PCIIOMMUFunc iommu_fn; 26 void *iommu_opaque; 27 uint8_t devfn_min; 28 uint32_t slot_reserved_mask; 29 pci_set_irq_fn set_irq; 30 pci_map_irq_fn map_irq; 31 pci_route_irq_fn route_intx_to_irq; 32 void *irq_opaque; 33 PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX]; 34 PCIDevice *parent_dev; 35 MemoryRegion *address_space_mem; 36 MemoryRegion *address_space_io; 37 38 QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */ 39 QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */ 40 41 /* The bus IRQ state is the logical OR of the connected devices. 42 Keep a count of the number of devices with raised IRQs. */ 43 int nirq; 44 int *irq_count; 45 46 Notifier machine_done; 47 }; 48 49 #endif /* QEMU_PCI_BUS_H */ 50