virtio-pmem-pci: force virtio version 1

 Qemu fails with below error when trying to run with virtio pmem:

 (qemu) qemu-system-x86_64: -device virtio-pmem-pci,memdev=mem1,id=nv1:
  device is modern-only, use disable-legacy=on

 This patch fixes this by forcing virtio 1 with virtio-pmem.

fixes: adf0748a49 ("virtio-pci: Proxy for virtio-pmem")
Signed-off-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Message-Id: <20200925102251.7216-1-pankaj.gupta.linux@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/virtio/virtio-pmem-pci.c b/hw/virtio/virtio-pmem-pci.c
index 21a457d151f2c17da90e5df6d37ea73c2f1c54c3..2b2a0b1eae1006ef89e9f098a7154ffffe2328da 100644 (file)
--- a/hw/virtio/virtio-pmem-pci.c
+++ b/hw/virtio/virtio-pmem-pci.c
@@ -22,6 +22,7 @@ static void virtio_pmem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     VirtIOPMEMPCI *pmem_pci = VIRTIO_PMEM_PCI(vpci_dev);
     DeviceState *vdev = DEVICE(&pmem_pci->vdev);
 
+    virtio_pci_force_virtio_1(vpci_dev);
     qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
 }