+option('vhost_kernel', type: 'feature', value: 'auto',
+ description: 'vhost kernel backend support')
+option('vhost_net', type: 'feature', value: 'auto',
+ description: 'vhost-net kernel acceleration support')
+option('vhost_user', type: 'feature', value: 'auto',
+ description: 'vhost-user backend support')
+option('vhost_crypto', type: 'feature', value: 'auto',
+ description: 'vhost-user crypto backend support')
+option('vhost_vdpa', type: 'feature', value: 'auto',
+ description: 'vhost-vdpa kernel backend support')