On 04/16/2015 03:47 PM, Don Brace wrote:
> 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 68238dd..adc0ad3 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -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,
> };
>
>
> --
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>
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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