sla_alloc
newsla = sla_alloc(newlen, true);
dev_data->req = sla_alloc(tio_status->spdm_req_size_max, true);
dev_data->resp = sla_alloc(tio_status->spdm_req_size_max, false);
dev_data->scratch = sla_alloc(dev_data->scratch_len, true);
dev_data->output = sla_alloc(dev_data->output_len, true);
dev_data->dev_ctx = sla_alloc(tio_status->devctx_size, true);