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

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Message-Id: <20180823075513.034123513@linuxfoundation.org>
Date:   Thu, 23 Aug 2018 09:54:39 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Manish Rangankar <manish.rangankar@...gic.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 166/217] scsi: qedi: Send driver state to MFW

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

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

From: Manish Rangankar <manish.rangankar@...ium.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.rangankar@...gic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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;