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Commit e985c58f authored by Stephen Cameron's avatar Stephen Cameron Committed by James Bottomley
Browse files

hpsa: allow lockup detected to be viewed via sysfs 



expose a detected lockup via sysfs

Reviewed-by: default avatarScott Teel <scott.teel@pmcs.com>
Reviewed-by: default avatarKevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: default avatarTomas Henzl <thenzl@redhat.com>
Reviewed-by: default avatarHannes Reinecke <hare@Suse.de>
Signed-off-by: default avatarDon Brace <don.brace@pmcs.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent 9437ac43

drivers/scsi/hpsa.c

+17 −0
Original line number Diff line number Diff line
@@ -351,6 +351,20 @@ 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)
@@ -698,12 +712,15 @@ 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,

};