prb_h2d
fis = &ccb->ccb_prb->prb_h2d;
ccb->ccb_xa.fis = &ccb->ccb_prb->prb_h2d;
bzero(&prb->prb_h2d, sizeof(prb->prb_h2d));
prb->prb_h2d.flags = 0;
bzero(&prb->prb_h2d, sizeof(prb->prb_h2d));
prb->prb_h2d.flags = at->at_target;