[PATCH 4.14 166/217] scsi: qedi: Send driver state to MFW

[Greg Kroah-Hartman]

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Manish Rangankar <manish.rangan...@cavium.com>

[ Upstream commit a3440d0d2f57f7ba102fc332086961cf261180af ]

In case of iSCSI offload BFS environment, MFW requires to mark virtual
link based upon qedi load status.

Signed-off-by: Manish Rangankar <manish.rangan...@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/scsi/qedi/qedi_main.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2087,6 +2087,7 @@ kset_free:
 static void __qedi_remove(struct pci_dev *pdev, int mode)
 {
        struct qedi_ctx *qedi = pci_get_drvdata(pdev);
+       int rval;
 
        if (qedi->tmf_thread) {
                flush_workqueue(qedi->tmf_thread);
@@ -2116,6 +2117,10 @@ static void __qedi_remove(struct pci_dev
        if (mode == QEDI_MODE_NORMAL)
                qedi_free_iscsi_pf_param(qedi);
 
+       rval = qedi_ops->common->update_drv_state(qedi->cdev, false);
+       if (rval)
+               QEDI_ERR(&qedi->dbg_ctx, "Failed to send drv state to MFW\n");
+
        if (!test_bit(QEDI_IN_OFFLINE, &qedi->flags)) {
                qedi_ops->common->slowpath_stop(qedi->cdev);
                qedi_ops->common->remove(qedi->cdev);
@@ -2390,6 +2395,12 @@ static int __qedi_probe(struct pci_dev *
                if (qedi_setup_boot_info(qedi))
                        QEDI_ERR(&qedi->dbg_ctx,
                                 "No iSCSI boot target configured\n");
+
+               rc = qedi_ops->common->update_drv_state(qedi->cdev, true);
+               if (rc)
+                       QEDI_ERR(&qedi->dbg_ctx,
+                                "Failed to send drv state to MFW\n");
+
        }
 
        return 0;