]>
Commit | Line | Data |
---|---|---|
1 | #ifndef QEMU_PCI_INTERNALS_H | |
2 | #define QEMU_PCI_INTERNALS_H | |
3 | ||
4 | /* | |
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 | |
7 | * accessed. | |
8 | * | |
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 | |
13 | */ | |
14 | ||
15 | extern struct BusInfo pci_bus_info; | |
16 | ||
17 | struct PCIBus { | |
18 | BusState qbus; | |
19 | uint8_t devfn_min; | |
20 | pci_set_irq_fn set_irq; | |
21 | pci_map_irq_fn map_irq; | |
22 | pci_hotplug_fn hotplug; | |
23 | DeviceState *hotplug_qdev; | |
24 | void *irq_opaque; | |
25 | PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX]; | |
26 | PCIDevice *parent_dev; | |
27 | MemoryRegion *address_space_mem; | |
28 | MemoryRegion *address_space_io; | |
29 | ||
30 | QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */ | |
31 | QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */ | |
32 | ||
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. */ | |
35 | int nirq; | |
36 | int *irq_count; | |
37 | }; | |
38 | ||
39 | struct PCIBridge { | |
40 | PCIDevice dev; | |
41 | ||
42 | /* private member */ | |
43 | PCIBus sec_bus; | |
44 | /* | |
45 | * Memory regions for the bridge's address spaces. These regions are not | |
46 | * directly added to system_memory/system_io or its descendants. | |
47 | * Bridge's secondary bus points to these, so that devices | |
48 | * under the bridge see these regions as its address spaces. | |
49 | * The regions are as large as the entire address space - | |
50 | * they don't take into account any windows. | |
51 | */ | |
52 | MemoryRegion address_space_mem; | |
53 | MemoryRegion address_space_io; | |
54 | /* | |
55 | * Aliases for each of the address space windows that the bridge | |
56 | * can forward. Mapped into the bridge's parent's address space, | |
57 | * as subregions. | |
58 | */ | |
59 | MemoryRegion alias_pref_mem; | |
60 | MemoryRegion alias_mem; | |
61 | MemoryRegion alias_io; | |
62 | pci_map_irq_fn map_irq; | |
63 | const char *bus_name; | |
64 | }; | |
65 | ||
66 | #endif /* QEMU_PCI_INTERNALS_H */ |