FW_DWNL_ID
block = sst_create_block(ctx, 0, FW_DWNL_ID);
sst_wake_up_block(sst_drv_ctx, retval, FW_DWNL_ID, 0 , NULL, 0);
block = sst_create_block(sst_drv_ctx, 0, FW_DWNL_ID);