Re: [PATCH 3/5] vhost-user-blk: Get more feature flags from vhost devicey

[Raphael Norwitz <raphael.norwitz@nutanix.com>]

Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>

On Thu, Apr 22, 2021 at 07:02:19PM +0200, Kevin Wolf wrote:
> VIRTIO_F_RING_PACKED and VIRTIO_F_IOMMU_PLATFORM need to be supported by
> the vhost device, otherwise advertising it to the guest doesn't result
> in a working configuration. They are currently not supported by the
> vhost-user-blk export in QEMU.
> 
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1935020
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
>  hw/block/vhost-user-blk.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
> index 8422a29470..b6f4bb3f6f 100644
> --- a/hw/block/vhost-user-blk.c
> +++ b/hw/block/vhost-user-blk.c
> @@ -47,6 +47,8 @@ static const int user_feature_bits[] = {
>      VIRTIO_RING_F_INDIRECT_DESC,
>      VIRTIO_RING_F_EVENT_IDX,
>      VIRTIO_F_NOTIFY_ON_EMPTY,
> +    VIRTIO_F_RING_PACKED,
> +    VIRTIO_F_IOMMU_PLATFORM,
>      VHOST_INVALID_FEATURE_BIT
>  };
>  
> -- 
> 2.30.2
>