VHOST_GET_BACKEND_FEATURES   94 include/uapi/linux/vhost.h #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64)
VHOST_GET_BACKEND_FEATURES   94 tools/include/uapi/linux/vhost.h #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64)