IB/iser: Implement check_protection
Once the iSCSI transaction is completed we must implement
check_protection in order to notify on DIF errors that may have
occured.
The routine boils down to calling ib_check_mr_status to get the
signature status of the transaction.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Alex Tabachnik <alext@mellanox.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index a64b878..f13d7e9 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -306,6 +306,18 @@
}
}
+static u8 iscsi_iser_check_protection(struct iscsi_task *task, sector_t *sector)
+{
+ struct iscsi_iser_task *iser_task = task->dd_data;
+
+ if (iser_task->dir[ISER_DIR_IN])
+ return iser_check_task_pi_status(iser_task, ISER_DIR_IN,
+ sector);
+ else
+ return iser_check_task_pi_status(iser_task, ISER_DIR_OUT,
+ sector);
+}
+
static struct iscsi_cls_conn *
iscsi_iser_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx)
{
@@ -742,6 +754,7 @@
.xmit_task = iscsi_iser_task_xmit,
.cleanup_task = iscsi_iser_cleanup_task,
.alloc_pdu = iscsi_iser_pdu_alloc,
+ .check_protection = iscsi_iser_check_protection,
/* recovery */
.session_recovery_timedout = iscsi_session_recovery_timedout,