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pci: add accessor function to get irq levels

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Introduce accessor function to know INTx levels.
It will be used later by q35.
Although piix_pci tracks the intx line levels, it can be eliminated
by this helper function.

Cc: Michael S. Tsirkin <mst@redhat.com>
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
2011-04-01 20:43:21 +09:00
committed by Michael S. Tsirkin
parent 41e7313f87
commit 9ddf843785
2 changed files with 8 additions and 0 deletions
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hw/pci.h
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@@ -234,6 +234,7 @@ void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
PCIBus *pci_bus_new(DeviceState *parent, const char *name, uint8_t devfn_min);
void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque, int nirq);
int pci_bus_get_irq_level(PCIBus *bus, int irq_num);
void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *dev);
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,