For v3 hw, each NCQ will return a CQ, so it is no need to acquire IPTT from
ITCT, just acquire it from IPTT field of CQ.
Signed-off-by: NXiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: NJohn Garry <john.garry@huawei.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>