diff options
Diffstat (limited to 'drivers/scsi/qedi/qedi_iscsi.c')
| -rw-r--r-- | drivers/scsi/qedi/qedi_iscsi.c | 36 |
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, |