scsi: qla2xxx: Add fw_attr and port_no SysFS node

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>

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index f928c4d..8cc4d65 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2164,6 +2164,32 @@ 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);
@@ -2221,6 +2247,8 @@ 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[] = {
@@ -2261,6 +2289,8 @@ 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 */