sbuf_put16
sbuf_put16(&sbuf, sci->sci_svcact);
sbuf_put16(&sbuf, sata_cmd_cdblen(sci));
sbuf_put16(&sbuf, 0x0a); /* Length */
sbuf_put16(&sbuf, cdblen); /* CDB Length */
sbuf_put16(&sbuf, 0x0a); /* Length */