diff mbox series

[2/3] vhost-user-vsock-pci: force virtio version 1

Message ID 20200819105156.54163-3-sgarzare@redhat.com
State New
Headers show
Series vhost-vsock: force virtio version 1 | expand

Commit Message

Stefano Garzarella Aug. 19, 2020, 10:51 a.m. UTC
Commit 9b3a35ec82 ("virtio: verify that legacy support is not
accidentally on") added a safety checks that requires to set
'disable-legacy=on' on vhost-user-vsock-pci device:

    $ ./qemu-system-x86_64 ... \
    -chardev socket,id=char0,reconnect=0,path=/tmp/vhost4.socket \
    -device vhost-user-vsock-pci,chardev=char0
        qemu-system-x86_64: -device vhost-user-vsock-pci,chardev=char0:
        device is modern-only, use disable-legacy=on

virtio-vsock was introduced after the release of VIRTIO 1.0
specifications, so it should be 'modern-only'.

This patch forces virtio version 1 and remove 'transitional_name'
properties, as done for vhost-vsock-pci, removing the need to specify
'disable-legacy=on' on vhost-user-vsock-pci device.

Cc: qemu-stable@nongnu.org
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
 hw/virtio/vhost-user-vsock-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Cornelia Huck Aug. 19, 2020, 11:57 a.m. UTC | #1
On Wed, 19 Aug 2020 12:51:55 +0200
Stefano Garzarella <sgarzare@redhat.com> wrote:

> Commit 9b3a35ec82 ("virtio: verify that legacy support is not
> accidentally on") added a safety checks that requires to set
> 'disable-legacy=on' on vhost-user-vsock-pci device:
> 
>     $ ./qemu-system-x86_64 ... \
>     -chardev socket,id=char0,reconnect=0,path=/tmp/vhost4.socket \
>     -device vhost-user-vsock-pci,chardev=char0
>         qemu-system-x86_64: -device vhost-user-vsock-pci,chardev=char0:
>         device is modern-only, use disable-legacy=on
> 
> virtio-vsock was introduced after the release of VIRTIO 1.0
> specifications, so it should be 'modern-only'.
> 
> This patch forces virtio version 1 and remove 'transitional_name'
> properties, as done for vhost-vsock-pci, removing the need to specify
> 'disable-legacy=on' on vhost-user-vsock-pci device.
> 
> Cc: qemu-stable@nongnu.org
> Suggested-by: Cornelia Huck <cohuck@redhat.com>
> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> ---
>  hw/virtio/vhost-user-vsock-pci.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Same nits for the patch description as for patch 1, otherwise

Reviewed-by: Cornelia Huck <cohuck@redhat.com>
diff mbox series

Patch

diff --git a/hw/virtio/vhost-user-vsock-pci.c b/hw/virtio/vhost-user-vsock-pci.c
index f4cf95873d..3e17cf0480 100644
--- a/hw/virtio/vhost-user-vsock-pci.c
+++ b/hw/virtio/vhost-user-vsock-pci.c
@@ -40,6 +40,7 @@  static void vhost_user_vsock_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     VHostUserVSockPCI *dev = VHOST_USER_VSOCK_PCI(vpci_dev);
     DeviceState *vdev = DEVICE(&dev->vdev);
 
+    virtio_pci_force_virtio_1(vpci_dev);
     qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
 }
 
@@ -68,7 +69,6 @@  static void vhost_user_vsock_pci_instance_init(Object *obj)
 static const VirtioPCIDeviceTypeInfo vhost_user_vsock_pci_info = {
     .base_name             = TYPE_VHOST_USER_VSOCK_PCI,
     .generic_name          = "vhost-user-vsock-pci",
-    .transitional_name     = "vhost-user-vsock-pci-transitional",
     .non_transitional_name = "vhost-user-vsock-pci-non-transitional",
     .instance_size = sizeof(VHostUserVSockPCI),
     .instance_init = vhost_user_vsock_pci_instance_init,