HPT_SCP
HPT_SCP(scp)->mapped = 0;
if (HPT_SCP(scp)->mapped)
HPT_SCP(scp)->sgcnt = nseg;
HPT_SCP(scp)->mapped = 1;
BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
return HPT_SCP(scp)->sgcnt;