iscsi_pte
struct iscsi_pte sq_first_pte /* first SQ page table entry (for FW caching) */;
struct iscsi_pte cq_first_pte /* first CQ page table entry (for FW caching) */;
struct iscsi_pte qp_first_pte[3] /* first page table entry of some iSCSI ring (for FW caching) */;