From 7a2438e4d6e2262d5c61a447ca1e053e85efeaf8 Mon Sep 17 00:00:00 2001
From: Himanshu Madhani <hmadhani@redhat.com>
Date: Thu, 1 Aug 2019 15:54:49 -0400
Subject: [PATCH 029/124] [scsi] scsi: qla2xxx: Add fw_attr and port_no SysFS
 node

Message-id: <20190801155618.12650-30-hmadhani@redhat.com>
Patchwork-id: 267801
O-Subject: [RHEL 7.8 e-stor PATCH 029/118] scsi: qla2xxx: Add fw_attr and port_no SysFS node
Bugzilla: 1729270
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>

From: Joe Carnuccio <joe.carnuccio@cavium.com>

Bugzilla 1729270

This patch adds new sysfs node to display firmware attributes and port
number.

Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit df617ffbbc5ecb64334548546d4b0cc4ff0527c0)
Signed-off-by: Himanshu Madhani <hmadhani@redhat.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 drivers/scsi/qla2xxx/qla_attr.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index bc60835e7a3f..99c32349291c 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2165,6 +2165,32 @@ qla2x00_dif_bundle_statistics_show(struct device *dev,
 	    ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
 }
 
+static ssize_t
+qla2x00_fw_attr_show(struct device *dev,
+    struct device_attribute *attr, char *buf)
+{
+	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+	struct qla_hw_data *ha = vha->hw;
+
+	if (!IS_QLA27XX(ha))
+		return scnprintf(buf, PAGE_SIZE, "\n");
+
+	return scnprintf(buf, PAGE_SIZE, "%llx\n",
+	    (uint64_t)ha->fw_attributes_ext[1] << 48 |
+	    (uint64_t)ha->fw_attributes_ext[0] << 32 |
+	    (uint64_t)ha->fw_attributes_h << 16 |
+	    (uint64_t)ha->fw_attributes);
+}
+
+static ssize_t
+qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
+    char *buf)
+{
+	scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+
+	return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
+}
+
 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
 static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
 static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -2222,6 +2248,8 @@ static DEVICE_ATTR(dif_bundle_statistics, 0444,
     qla2x00_dif_bundle_statistics_show, NULL);
 static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
     qla2x00_port_speed_store);
+static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
+static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
 
 
 struct device_attribute *qla2x00_host_attrs[] = {
@@ -2262,6 +2290,8 @@ struct device_attribute *qla2x00_host_attrs[] = {
 	&dev_attr_zio_threshold,
 	&dev_attr_dif_bundle_statistics,
 	&dev_attr_port_speed,
+	&dev_attr_port_no,
+	&dev_attr_fw_attr,
 	NULL, /* reserve for qlini_mode */
 	NULL, /* reserve for ql2xiniexchg */
 	NULL, /* reserve for ql2xexchoffld */
-- 
2.13.6