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virtio-pci: don't touch pci on virtio reset
virtio level reset should not affect pci express registers such as PM, error or link. Fixes:27ce0f3afc
("hw/virtio: fix Power Management Control Register for PCI Express virtio devices") Fixes:d584f1b9ca
("hw/virtio: fix Link Control Register for PCI Express virtio devices") Fixes:c2cabb3422
("hw/virtio: fix error enabling flags in Device Control register") Cc: "Marcel Apfelbaum" <marcel@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -1947,7 +1947,6 @@ static void virtio_pci_reset(DeviceState *qdev)
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{
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VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev);
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VirtioBusState *bus = VIRTIO_BUS(&proxy->bus);
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PCIDevice *dev = PCI_DEVICE(qdev);
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int i;
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virtio_bus_reset(bus);
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@ -1960,6 +1959,13 @@ static void virtio_pci_reset(DeviceState *qdev)
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proxy->vqs[i].avail[0] = proxy->vqs[i].avail[1] = 0;
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proxy->vqs[i].used[0] = proxy->vqs[i].used[1] = 0;
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}
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}
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static void virtio_pci_bus_reset(DeviceState *qdev)
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{
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PCIDevice *dev = PCI_DEVICE(qdev);
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virtio_pci_reset(qdev);
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if (pci_is_express(dev)) {
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pcie_cap_deverr_reset(dev);
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@ -2027,7 +2033,7 @@ static void virtio_pci_class_init(ObjectClass *klass, void *data)
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k->class_id = PCI_CLASS_OTHERS;
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device_class_set_parent_realize(dc, virtio_pci_dc_realize,
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&vpciklass->parent_dc_realize);
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dc->reset = virtio_pci_reset;
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dc->reset = virtio_pci_bus_reset;
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}
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static const TypeInfo virtio_pci_info = {
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