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authorGleb Natapov <gleb@redhat.com>2009-06-17 19:32:00 +0300
committerAnthony Liguori <aliguori@us.ibm.com>2009-06-22 10:10:50 -0500
commit6eaa68474671a6c69f30b185ce3c87ff18f85e01 (patch)
tree52f15614592bac2193bcc788091b8f691cf59c02 /hw/pci.c
parentefeea6d048756bc42ad39f0acce6bede4b74177a (diff)
Add pci_bus_reset() function.
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>
Diffstat (limited to 'hw/pci.c')
-rw-r--r--hw/pci.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/pci.c b/hw/pci.c
index 0a738dbd6b..140cdbaa29 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -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;
}