diff options
Diffstat (limited to 'hw/pci/pci.c')
-rw-r--r-- | hw/pci/pci.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 82c11ecde4..aa2a395499 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -46,7 +46,7 @@ static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent); static char *pcibus_get_dev_path(DeviceState *dev); static char *pcibus_get_fw_dev_path(DeviceState *dev); -static int pcibus_reset(BusState *qbus); +static void pcibus_reset(BusState *qbus); static void pci_bus_finalize(Object *obj); static Property pci_props[] = { @@ -167,16 +167,10 @@ void pci_device_deassert_intx(PCIDevice *dev) } } -/* - * This function is called on #RST and FLR. - * FLR if PCI_EXP_DEVCTL_BCR_FLR is set - */ -void pci_device_reset(PCIDevice *dev) +static void pci_do_device_reset(PCIDevice *dev) { int r; - qdev_reset_all(&dev->qdev); - dev->irq_state = 0; pci_update_irq_status(dev); pci_device_deassert_intx(dev); @@ -209,30 +203,34 @@ void pci_device_reset(PCIDevice *dev) } /* + * This function is called on #RST and FLR. + * FLR if PCI_EXP_DEVCTL_BCR_FLR is set + */ +void pci_device_reset(PCIDevice *dev) +{ + qdev_reset_all(&dev->qdev); + pci_do_device_reset(dev); +} + +/* * Trigger pci bus reset under a given bus. - * To be called on RST# assert. + * Called via qbus_reset_all on RST# assert, after the devices + * have been reset qdev_reset_all-ed already. */ -void pci_bus_reset(PCIBus *bus) +static void pcibus_reset(BusState *qbus) { + PCIBus *bus = DO_UPCAST(PCIBus, qbus, qbus); int i; - for (i = 0; i < bus->nirq; i++) { - bus->irq_count[i] = 0; - } for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) { if (bus->devices[i]) { - pci_device_reset(bus->devices[i]); + pci_do_device_reset(bus->devices[i]); } } -} - -static int pcibus_reset(BusState *qbus) -{ - pci_bus_reset(DO_UPCAST(PCIBus, qbus, qbus)); - /* topology traverse is done by pci_bus_reset(). - Tell qbus/qdev walker not to traverse the tree */ - return 1; + for (i = 0; i < bus->nirq; i++) { + assert(bus->irq_count[i] == 0); + } } static void pci_host_bus_register(PCIBus *bus, DeviceState *parent) |