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_hotplug_fn hotplug
;
26 DeviceState
*hotplug_qdev
;
28 PCIDevice
*devices
[PCI_SLOT_MAX
* PCI_FUNC_MAX
];
29 PCIDevice
*parent_dev
;
30 MemoryRegion
*address_space_mem
;
31 MemoryRegion
*address_space_io
;
33 QLIST_HEAD(, PCIBus
) child
; /* this will be replaced by qdev later */
34 QLIST_ENTRY(PCIBus
) sibling
;/* this will be replaced by qdev later */
36 /* The bus IRQ state is the logical OR of the connected devices.
37 Keep a count of the number of devices with raised IRQs. */
48 * Memory regions for the bridge's address spaces. These regions are not
49 * directly added to system_memory/system_io or its descendants.
50 * Bridge's secondary bus points to these, so that devices
51 * under the bridge see these regions as its address spaces.
52 * The regions are as large as the entire address space -
53 * they don't take into account any windows.
55 MemoryRegion address_space_mem
;
56 MemoryRegion address_space_io
;
58 * Aliases for each of the address space windows that the bridge
59 * can forward. Mapped into the bridge's parent's address space,
62 MemoryRegion alias_pref_mem
;
63 MemoryRegion alias_mem
;
64 MemoryRegion alias_io
;
65 pci_map_irq_fn map_irq
;
69 #endif /* QEMU_PCI_INTERNALS_H */