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path: root/drivers/scsi/qedi/qedi_iscsi.c
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Diffstat (limited to 'drivers/scsi/qedi/qedi_iscsi.c')
-rw-r--r--drivers/scsi/qedi/qedi_iscsi.c36
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 97f83760da88..c5260429c637 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -499,8 +499,8 @@ static u16 qedi_calc_mss(u16 pmtu, u8 is_ipv6, u8 tcp_ts_en, u8 vlan_en)
static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep)
{
- struct qedi_ctx *qedi = qedi_ep->qedi;
struct qed_iscsi_params_offload *conn_info;
+ struct qedi_ctx *qedi = qedi_ep->qedi;
int rval;
int i;
@@ -577,10 +577,37 @@ static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep)
"Default cq index [%d], mss [%d]\n",
conn_info->default_cq, conn_info->mss);
+ /* Prepare the doorbell parameters */
+ qedi_ep->db_data.agg_flags = 0;
+ qedi_ep->db_data.params = 0;
+ SET_FIELD(qedi_ep->db_data.params, ISCSI_DB_DATA_DEST, DB_DEST_XCM);
+ SET_FIELD(qedi_ep->db_data.params, ISCSI_DB_DATA_AGG_CMD,
+ DB_AGG_CMD_MAX);
+ SET_FIELD(qedi_ep->db_data.params, ISCSI_DB_DATA_AGG_VAL_SEL,
+ DQ_XCM_ISCSI_SQ_PROD_CMD);
+ SET_FIELD(qedi_ep->db_data.params, ISCSI_DB_DATA_BYPASS_EN, 1);
+
+ /* Register doorbell with doorbell recovery mechanism */
+ rval = qedi_ops->common->db_recovery_add(qedi->cdev,
+ qedi_ep->p_doorbell,
+ &qedi_ep->db_data,
+ DB_REC_WIDTH_32B,
+ DB_REC_KERNEL);
+ if (rval) {
+ kfree(conn_info);
+ return rval;
+ }
+
rval = qedi_ops->offload_conn(qedi->cdev, qedi_ep->handle, conn_info);
- if (rval)
+ if (rval) {
+ /* delete doorbell from doorbell recovery mechanism */
+ rval = qedi_ops->common->db_recovery_del(qedi->cdev,
+ qedi_ep->p_doorbell,
+ &qedi_ep->db_data);
+
QEDI_ERR(&qedi->dbg_ctx, "offload_conn returned %d, ep=%p\n",
rval, qedi_ep);
+ }
kfree(conn_info);
return rval;
@@ -1109,6 +1136,11 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
test_bit(QEDI_IN_RECOVERY, &qedi->flags))
goto ep_release_conn;
+ /* Delete doorbell from doorbell recovery mechanism */
+ ret = qedi_ops->common->db_recovery_del(qedi->cdev,
+ qedi_ep->p_doorbell,
+ &qedi_ep->db_data);
+
ret = qedi_ops->destroy_conn(qedi->cdev, qedi_ep->handle, abrt_conn);
if (ret) {
QEDI_WARN(&qedi->dbg_ctx,