1 #ifndef QEMU_PCI_INTERNALS_H
2 #define QEMU_PCI_INTERNALS_H
5 * PCI Bus and Bridge datastructures.
7 * Do not access the following members directly;
8 * use accessor functions in pci.h, pci_bridge.h
11 #define TYPE_PCI_BUS "PCI"
12 #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
16 PCIDMAContextFunc dma_context_fn
;
17 void *dma_context_opaque
;
19 pci_set_irq_fn set_irq
;
20 pci_map_irq_fn map_irq
;
21 pci_route_irq_fn route_intx_to_irq
;
22 pci_hotplug_fn hotplug
;
23 DeviceState
*hotplug_qdev
;
25 PCIDevice
*devices
[PCI_SLOT_MAX
* PCI_FUNC_MAX
];
26 PCIDevice
*parent_dev
;
27 MemoryRegion
*address_space_mem
;
28 MemoryRegion
*address_space_io
;
30 QLIST_HEAD(, PCIBus
) child
; /* this will be replaced by qdev later */
31 QLIST_ENTRY(PCIBus
) sibling
;/* this will be replaced by qdev later */
33 /* The bus IRQ state is the logical OR of the connected devices.
34 Keep a count of the number of devices with raised IRQs. */
39 typedef struct PCIBridgeWindows PCIBridgeWindows
;
42 * Aliases for each of the address space windows that the bridge
43 * can forward. Mapped into the bridge's parent's address space,
46 struct PCIBridgeWindows
{
47 MemoryRegion alias_pref_mem
;
48 MemoryRegion alias_mem
;
49 MemoryRegion alias_io
;
58 * Memory regions for the bridge's address spaces. These regions are not
59 * directly added to system_memory/system_io or its descendants.
60 * Bridge's secondary bus points to these, so that devices
61 * under the bridge see these regions as its address spaces.
62 * The regions are as large as the entire address space -
63 * they don't take into account any windows.
65 MemoryRegion address_space_mem
;
66 MemoryRegion address_space_io
;
68 PCIBridgeWindows
*windows
;
70 pci_map_irq_fn map_irq
;
74 #endif /* QEMU_PCI_INTERNALS_H */