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pci: Helper function for testing if an INTx route changed 

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Williamson 2012-10-02 13:21:54 -06:00 committed by Michael S. Tsirkin
parent d262cb0286
commit d6e65d54f0
2 changed files with 6 additions and 0 deletions
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5
hw/pci.c
View File

@ -1121,6 +1121,11 @@ PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin)
return bus->route_intx_to_irq(bus->irq_opaque, pin); return bus->route_intx_to_irq(bus->irq_opaque, pin);
} }
bool pci_intx_route_changed(PCIINTxRoute *old, PCIINTxRoute *new)
{
return old->mode != new->mode || old->irq != new->irq;
}
void pci_bus_fire_intx_routing_notifier(PCIBus *bus) void pci_bus_fire_intx_routing_notifier(PCIBus *bus)
{ {
PCIDevice *dev; PCIDevice *dev;

1
hw/pci.h
View File

@ -326,6 +326,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
uint8_t devfn_min, int nirq); uint8_t devfn_min, int nirq);
void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn); void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn);
PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin); PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin);
bool pci_intx_route_changed(PCIINTxRoute *old, PCIINTxRoute *new);
void pci_bus_fire_intx_routing_notifier(PCIBus *bus); void pci_bus_fire_intx_routing_notifier(PCIBus *bus);
void pci_device_set_intx_routing_notifier(PCIDevice *dev, void pci_device_set_intx_routing_notifier(PCIDevice *dev,
PCIINTxRoutingNotifier notifier); PCIINTxRoutingNotifier notifier);