137     struct sg_io_hdr io_hdr;  in do_sgio_worker()  local
143     memset(&io_hdr, 0, sizeof(io_hdr));  in do_sgio_worker()
144     io_hdr.interface_id = 'S';  in do_sgio_worker()
145     io_hdr.cmd_len = PR_HELPER_CDB_SIZE;  in do_sgio_worker()
146     io_hdr.cmdp = (uint8_t *)data->cdb;  in do_sgio_worker()
147     io_hdr.sbp = data->sense;  in do_sgio_worker()
148     io_hdr.mx_sb_len = PR_HELPER_SENSE_SIZE;  in do_sgio_worker()
149     io_hdr.timeout = 1;  in do_sgio_worker()
150     io_hdr.dxfer_direction = data->dir;  in do_sgio_worker()
151     io_hdr.dxferp = (char *)data->buf;  in do_sgio_worker()
152     io_hdr.dxfer_len = data->sz;  in do_sgio_worker()
153     ret = ioctl(data->fd, SG_IO, &io_hdr);  in do_sgio_worker()
160     } else if (io_hdr.host_status != SCSI_HOST_OK) {  in do_sgio_worker()
161         status = scsi_sense_from_host_status(io_hdr.host_status, &sense_code);  in do_sgio_worker()
165     } else if (io_hdr.driver_status & SG_ERR_DRIVER_TIMEOUT) {  in do_sgio_worker()
168         status = io_hdr.status;  in do_sgio_worker()
172         data->sz -= io_hdr.resid;  in do_sgio_worker()