VirtIOPCIProxy *proxy = opaque;
int ret;
ret = pci_device_load(&proxy->pci_dev, f);
- if (ret)
+ if (ret) {
return ret;
+ }
msix_load(&proxy->pci_dev, f);
- if (msix_present(&proxy->pci_dev))
+ if (msix_present(&proxy->pci_dev)) {
qemu_get_be16s(f, &proxy->vdev->config_vector);
+ } else {
+ proxy->vdev->config_vector = VIRTIO_NO_VECTOR;
+ }
+ if (proxy->vdev->config_vector != VIRTIO_NO_VECTOR) {
+ return msix_vector_use(&proxy->pci_dev, proxy->vdev->config_vector);
+ }
return 0;
}
{
VirtIOPCIProxy *proxy = opaque;
uint16_t vector;
- if (!msix_present(&proxy->pci_dev))
- return 0;
- qemu_get_be16s(f, &vector);
+ if (msix_present(&proxy->pci_dev)) {
+ qemu_get_be16s(f, &vector);
+ } else {
+ vector = VIRTIO_NO_VECTOR;
+ }
virtio_queue_set_vector(proxy->vdev, n, vector);
+ if (vector != VIRTIO_NO_VECTOR) {
+ return msix_vector_use(&proxy->pci_dev, vector);
+ }
return 0;
}