LIST_PCI_HDR_LEN
((CLP_BLK_SIZE - 2 * LIST_PCI_HDR_LEN) \
rrb->response.hdr.len = CLP_BLK_SIZE - LIST_PCI_HDR_LEN;
*nentries = (rrb->response.hdr.len - LIST_PCI_HDR_LEN) /