1 #ifndef QEMU_PCI_INTERNALS_H
2 #define QEMU_PCI_INTERNALS_H
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
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
15 #define TYPE_PCI_BUS "PCI"
16 #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
20 PCIDMAContextFunc dma_context_fn
;
21 void *dma_context_opaque
;
23 pci_set_irq_fn set_irq
;
24 pci_map_irq_fn map_irq
;
25 pci_route_irq_fn route_intx_to_irq
;
26 pci_hotplug_fn hotplug
;
27 DeviceState
*hotplug_qdev
;
29 PCIDevice
*devices
[PCI_SLOT_MAX
* PCI_FUNC_MAX
];
30 PCIDevice
*parent_dev
;
31 MemoryRegion
*address_space_mem
;
32 MemoryRegion
*address_space_io
;
34 QLIST_HEAD(, PCIBus
) child
; /* this will be replaced by qdev later */
35 QLIST_ENTRY(PCIBus
) sibling
;/* this will be replaced by qdev later */
37 /* The bus IRQ state is the logical OR of the connected devices.
38 Keep a count of the number of devices with raised IRQs. */
43 typedef struct PCIBridgeWindows PCIBridgeWindows
;
46 * Aliases for each of the address space windows that the bridge
47 * can forward. Mapped into the bridge's parent's address space,
50 struct PCIBridgeWindows
{
51 MemoryRegion alias_pref_mem
;
52 MemoryRegion alias_mem
;
53 MemoryRegion alias_io
;
62 * Memory regions for the bridge's address spaces. These regions are not
63 * directly added to system_memory/system_io or its descendants.
64 * Bridge's secondary bus points to these, so that devices
65 * under the bridge see these regions as its address spaces.
66 * The regions are as large as the entire address space -
67 * they don't take into account any windows.
69 MemoryRegion address_space_mem
;
70 MemoryRegion address_space_io
;
72 PCIBridgeWindows
*windows
;
74 pci_map_irq_fn map_irq
;
78 #endif /* QEMU_PCI_INTERNALS_H */