program_cursor_update_now_params
params->program_cursor_update_now_params.dc,
params->program_cursor_update_now_params.pipe_ctx);
block_sequence[*num_steps].params.program_cursor_update_now_params.dc = dc;
block_sequence[*num_steps].params.program_cursor_update_now_params.pipe_ctx = current_mpc_pipe;
struct program_cursor_update_now_params program_cursor_update_now_params;