MLX5_HCA_VPORT_SEL_PORT_GUID
in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
!!(in->port_guid) * MLX5_HCA_VPORT_SEL_PORT_GUID |
if (req->field_select & MLX5_HCA_VPORT_SEL_PORT_GUID)