vdpa/vdpa_sim_net: Report max device capabilities

Configure max supported virtqueues features on the management device.
This info can be retrieved using:

$ vdpa mgmtdev show
vdpasim_net:
  supported_classes net
  max_supported_vqs 2
  dev_features MAC ANY_LAYOUT VERSION_1 ACCESS_PLATFORM

Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-15-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>

diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
index 46aabc7..d5324f6 100644 (file)
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
@@ -192,6 +192,7 @@ static struct vdpa_mgmt_dev mgmt_dev = {
        .config_attr_mask = (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR |
                             1 << VDPA_ATTR_DEV_NET_CFG_MTU),
        .max_supported_vqs = VDPASIM_NET_VQ_NUM,
+       .supported_features = VDPASIM_NET_FEATURES,
 };
 
 static int __init vdpasim_net_init(void)