if (raid_level < ARRAY_SIZE(raid_levels))
return raid_levels[raid_level];
- return "";
+ return "RAID UNKNOWN";
}
#define SA_RAID_0 0
return 2;
}
+static ssize_t pqi_raid_level_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ struct pqi_ctrl_info *ctrl_info;
+ struct scsi_device *sdev;
+ struct pqi_scsi_dev *device;
+ unsigned long flags;
+ char *raid_level;
+
+ sdev = to_scsi_device(dev);
+ ctrl_info = shost_to_hba(sdev->host);
+
+ spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags);
+
+ device = sdev->hostdata;
+
+ if (pqi_is_logical_device(device))
+ raid_level = pqi_raid_level_to_string(device->raid_level);
+ else
+ raid_level = "N/A";
+
+ spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags);
+
+ return snprintf(buffer, PAGE_SIZE, "%s\n", raid_level);
+}
+
static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL);
static DEVICE_ATTR(ssd_smart_path_enabled, 0444,
pqi_ssd_smart_path_enabled_show, NULL);
+static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL);
static struct device_attribute *pqi_sdev_attrs[] = {
&dev_attr_sas_address,
&dev_attr_ssd_smart_path_enabled,
+ &dev_attr_raid_level,
NULL
};