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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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24
hw/pci_bridge.h
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@ -29,13 +29,27 @@
#include "pci.h"
PCIDevice *pci_bridge_get_device(PCIBus *bus);
PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);
pcibus_t pci_bridge_get_base(PCIDevice *bridge, uint8_t type);
pcibus_t pci_bridge_get_limit(PCIDevice *bridge, uint8_t type);
pcibus_t pci_bridge_get_base(const PCIDevice *bridge, uint8_t type);
pcibus_t pci_bridge_get_limit(const PCIDevice *bridge, uint8_t type);
PCIBus *pci_bridge_init(PCIBus *bus, int devfn, bool multifunction,
uint16_t vid, uint16_t did,
pci_map_irq_fn map_irq, const char *name);
void pci_bridge_write_config(PCIDevice *d,
uint32_t address, uint32_t val, int len);
void pci_bridge_reset_reg(PCIDevice *dev);
void pci_bridge_reset(DeviceState *qdev);
int pci_bridge_initfn(PCIDevice *pci_dev);
int pci_bridge_exitfn(PCIDevice *pci_dev);
/*
* before qdev initialization(qdev_init()), this function sets bus_name and
* map_irq callback which are necessry for pci_bridge_initfn() to
* initialize bus.
*/
void pci_bridge_map_irq(PCIBridge *br, const char* bus_name,
pci_map_irq_fn map_irq);
#endif /* QEMU_PCI_BRIDGE_H */
/*