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Add pci_bus_reset() function.

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To reset internal irq handling data structures.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Yaniv Kamay <ykamay@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gleb Natapov 2009-06-17 19:32:00 +03:00 committed by Anthony Liguori
parent efeea6d048
commit 6eaa684746
1 changed files with 16 additions and 0 deletions
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16
hw/pci.c
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@ -87,6 +87,21 @@ static int pcibus_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
static void pci_bus_reset(void *opaque)
{
PCIBus *bus = (PCIBus *)opaque;
int i;
for (i = 0; i < bus->nirq; i++) {
bus->irq_count[i] = 0;
}
for (i = 0; i < 256; i++) {
if (bus->devices[i])
memset(bus->devices[i]->irq_state, 0,
sizeof(bus->devices[i]->irq_state));
}
}
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
qemu_irq *pic, int devfn_min, int nirq)
@ -105,6 +120,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
bus->next = first_bus;
first_bus = bus;
register_savevm("PCIBUS", nbus++, 1, pcibus_save, pcibus_load, bus);
qemu_register_reset(pci_bus_reset, 0, bus);
return bus;
}