blob: c931b64b46e7ba7ae2d8c7376c1bc2d5dcec18c5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#ifndef QEMU_PCI_INTERNALS_H
#define QEMU_PCI_INTERNALS_H
/*
* This header files is private to pci.c and pci_bridge.c
* So following structures are opaque to others and shouldn't be
* accessed.
*
* For pci-to-pci bridge needs to include this header file to embed
* PCIBridge in its structure or to get sizeof(PCIBridge),
* However, they shouldn't access those following members directly.
* Use accessor function in pci.h, pci_bridge.h
*/
#define TYPE_PCI_BUS "PCI"
#define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
struct PCIBus {
BusState qbus;
PCIDMAContextFunc dma_context_fn;
void *dma_context_opaque;
uint8_t devfn_min;
pci_set_irq_fn set_irq;
pci_map_irq_fn map_irq;
pci_route_irq_fn route_intx_to_irq;
pci_hotplug_fn hotplug;
DeviceState *hotplug_qdev;
void *irq_opaque;
PCIDevice *devices[PCI_SLOT_MAX * PCI_FUNC_MAX];
PCIDevice *parent_dev;
MemoryRegion *address_space_mem;
MemoryRegion *address_space_io;
QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
/* The bus IRQ state is the logical OR of the connected devices.
Keep a count of the number of devices with raised IRQs. */
int nirq;
int *irq_count;
};
struct PCIBridge {
PCIDevice dev;
/* private member */
PCIBus sec_bus;
/*
* Memory regions for the bridge's address spaces. These regions are not
* directly added to system_memory/system_io or its descendants.
* Bridge's secondary bus points to these, so that devices
* under the bridge see these regions as its address spaces.
* The regions are as large as the entire address space -
* they don't take into account any windows.
*/
MemoryRegion address_space_mem;
MemoryRegion address_space_io;
/*
* Aliases for each of the address space windows that the bridge
* can forward. Mapped into the bridge's parent's address space,
* as subregions.
*/
MemoryRegion alias_pref_mem;
MemoryRegion alias_mem;
MemoryRegion alias_io;
pci_map_irq_fn map_irq;
const char *bus_name;
};
#endif /* QEMU_PCI_INTERNALS_H */
|
