sbuf_put8
sbuf_put8(sb, val >> 8);
sbuf_put8(sb, val & 0xff);
sbuf_put8(sb, val >> 24);
sbuf_put8(sb, (val >> 16) & 0xff);
sbuf_put8(sb, (val >> 8) & 0xff);
sbuf_put8(sb, val & 0xff);
sbuf_put8(&sbuf, sci->sci_op);
sbuf_put8(&sbuf, 0); /* Reserved */
sbuf_put8(&sbuf, 0); /* Reserved */
sbuf_put8(&sbuf, flags);
sbuf_put8(&sbuf, 0); /* Reserved */
sbuf_put8(&sbuf, 0); /* cmd specific */
sbuf_put8(&sbuf, 0); /* Reserved */
sbuf_put8(&sbuf, support); /* Command supported */
sbuf_put8(&sbuf, 0); /* Reserved */
sbuf_put8(&sbuf, 0); /* cmd specific */