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pci_bridge: introduce pci bridge library.

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introduce pci bridge library.
convert apb bridge and dec p2p bridge to use new pci bridge library.
save/restore is supported as a side effect.
This is also preparation for pci express root/upstream/downstream port.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Isaku Yamahata 2010-07-13 13:01:42 +09:00 • committed by Michael S. Tsirkin
parent 51a92333f8
commit 68f799944b
6 changed files with 177 additions and 83 deletions
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15
hw/pci_internals.h
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@ -5,6 +5,11 @@
* 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
*/
extern struct BusInfo pci_bus_info;
@ -30,11 +35,13 @@ struct PCIBus {
int *irq_count;
};
typedef struct {
struct PCIBridge {
PCIDevice dev;
/* private member */
PCIBus sec_bus;
uint32_t vid;
uint32_t did;
} PCIBridge;
pci_map_irq_fn map_irq;
const char *bus_name;
};
#endif /* QEMU_PCI_INTERNALS_H */