Add a sysfs attribute 'ctlr_num' holding the current HPSA controller
number. This is required to construct compability 'cciss' links.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/scsi/hpsa.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 3d89f74..5834117 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -867,6 +867,16 @@ static ssize_t path_info_show(struct device *dev,
return output_len;
}
+static ssize_t host_show_ctlr_num(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ctlr_info *h;
+ struct Scsi_Host *shost = class_to_shost(dev);
+
+ h = shost_to_hba(shost);
+ return snprintf(buf, 20, "%d\n", h->ctlr);
+}
+
static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL);
static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL);
static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL);
@@ -890,6 +900,8 @@ static DEVICE_ATTR(resettable, S_IRUGO,
host_show_resettable, NULL);
static DEVICE_ATTR(lockup_detected, S_IRUGO,
host_show_lockup_detected, NULL);
+static DEVICE_ATTR(ctlr_num, S_IRUGO,
+ host_show_ctlr_num, NULL);
static struct device_attribute *hpsa_sdev_attrs[] = {
&dev_attr_raid_level,
@@ -910,6 +922,7 @@ static DEVICE_ATTR(lockup_detected, S_IRUGO,
&dev_attr_hp_ssd_smart_path_status,
&dev_attr_raid_offload_debug,
&dev_attr_lockup_detected,
+ &dev_attr_ctlr_num,
NULL,
};
--
1.8.5.6
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