[PATCH 4.17 235/324] scsi: qedf: Send the driver state to MFW

Greg Kroah-Hartman
2018-08-23T09:00:36Z

From: Saurav Kashyap <saurav.kashyap@cavium.com>

[ Upstream commit 6ac174756dfc9884f08b23af840ca911155f5578 ]

Need to notify firmware when driver is loaded and unloaded.

Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com>
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/scsi/qedf/qedf_main.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3241,6 +3241,11 @@ static int __qedf_probe(struct pci_dev *

init_completion(&qedf->flogi_compl);

+ status = qed_ops->common->update_drv_state(qedf->cdev, true);
+ if (status)
+ QEDF_ERR(&(qedf->dbg_ctx),
+ "Failed to send drv state to MFW.\n");
+
memset(&link_params, 0, sizeof(struct qed_link_params));
link_params.link_up = true;
status = qed_ops->common->set_link(qedf->cdev, &link_params);
@@ -3289,6 +3294,7 @@ static int qedf_probe(struct pci_dev *pd
static void __qedf_remove(struct pci_dev *pdev, int mode)
{
struct qedf_ctx *qedf;
+ int rc;

if (!pdev) {
QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3383,6 +3389,12 @@ static void __qedf_remove(struct pci_dev
qed_ops->common->set_power_state(qedf->cdev, PCI_D0);
pci_set_drvdata(pdev, NULL);
}
+
+ rc = qed_ops->common->update_drv_state(qedf->cdev, false);
+ if (rc)
+ QEDF_ERR(&(qedf->dbg_ctx),
+ "Failed to send drv state to MFW.\n");
+
qed_ops->common->slowpath_stop(qedf->cdev);
qed_ops->common->remove(qedf->cdev);