From 15a7d71f146e186e90fcacd6a04ad334d04e6236 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Wed, 17 Jun 2009 19:32:00 +0300 Subject: [PATCH] Add pci_bus_reset() function. To reset internal irq handling data structures. Signed-off-by: Gleb Natapov Signed-off-by: Yaniv Kamay Signed-off-by: Anthony Liguori --- hw/pci.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) 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; } -- 2.34.1