This patch updates to support rq record doorbell for
the kernel space.
Signed-off-by: NYixian Liu <liuyixian@huawei.com>
Signed-off-by: NLijun Ou <oulijun@huawei.com>
Signed-off-by: NWei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: NShaobo Xu <xushaobo2@huawei.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>