mirror of
https://github.com/qemu/qemu.git
synced 2024-11-25 20:03:37 +08:00
68f799944b
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>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#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
|
|
*/
|
|
|
|
extern struct BusInfo pci_bus_info;
|
|
|
|
struct PCIBus {
|
|
BusState qbus;
|
|
int devfn_min;
|
|
pci_set_irq_fn set_irq;
|
|
pci_map_irq_fn map_irq;
|
|
pci_hotplug_fn hotplug;
|
|
DeviceState *hotplug_qdev;
|
|
void *irq_opaque;
|
|
PCIDevice *devices[256];
|
|
PCIDevice *parent_dev;
|
|
target_phys_addr_t mem_base;
|
|
|
|
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;
|
|
pci_map_irq_fn map_irq;
|
|
const char *bus_name;
|
|
};
|
|
|
|
#endif /* QEMU_PCI_INTERNALS_H */
|