GIDLEN
#define NGENT ((GIDLEN - 16) >> 2)
rq->snscb_rblen = GIDLEN >> 1;
pt->ctp_rsp_bcnt = GIDLEN;
pt->ctp_dataseg[1].ds_count = GIDLEN;
ct->ct_bcnt_resid = (GIDLEN - 16) >> 2;
MEMORYBARRIER(isp, SYNC_SFORCPU, IGPOFF, GIDLEN + 16, chan);
isp_print_bytes(isp, "CT response", GIDLEN+16, &scp[IGPOFF]);
MEMORYBARRIER(isp, SYNC_SFORCPU, IGPOFF, GIDLEN, chan);