[PATCH 07/43] hpsa: allow lockup detected to be viewed via sysfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Stephen Cameron <stephenmcameron@xxxxxxxxx>

expose a detected lockup via sysfs

Reviewed-by: Scott Teel <scott.teel@xxxxxxxx>
Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxx>
Signed-off-by: Don Brace <don.brace@xxxxxxxx>
---
 drivers/scsi/hpsa.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index bae8df8..287ad38 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -358,6 +358,20 @@ static int check_for_busy(struct ctlr_info *h, struct CommandList *c)
 	return 1;
 }
 
+static u32 lockup_detected(struct ctlr_info *h);
+static ssize_t host_show_lockup_detected(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	int ld;
+	struct ctlr_info *h;
+	struct Scsi_Host *shost = class_to_shost(dev);
+
+	h = shost_to_hba(shost);
+	ld = lockup_detected(h);
+
+	return sprintf(buf, "ld=%d\n", ld);
+}
+
 static ssize_t host_store_hp_ssd_smart_path_status(struct device *dev,
 					 struct device_attribute *attr,
 					 const char *buf, size_t count)
@@ -705,12 +719,15 @@ static DEVICE_ATTR(transport_mode, S_IRUGO,
 	host_show_transport_mode, NULL);
 static DEVICE_ATTR(resettable, S_IRUGO,
 	host_show_resettable, NULL);
+static DEVICE_ATTR(lockup_detected, S_IRUGO,
+	host_show_lockup_detected, NULL);
 
 static struct device_attribute *hpsa_sdev_attrs[] = {
 	&dev_attr_raid_level,
 	&dev_attr_lunid,
 	&dev_attr_unique_id,
 	&dev_attr_hp_ssd_smart_path_enabled,
+	&dev_attr_lockup_detected,
 	NULL,
 };
 

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux