On 04/16/2015 03:47 PM, Don Brace wrote: > From: Stephen Cameron <[email protected]> > > expose a detected lockup via sysfs > > Reviewed-by: Scott Teel <[email protected]> > Reviewed-by: Kevin Barnett <[email protected]> > Signed-off-by: Don Brace <[email protected]> > --- > 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, > }; > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Reviewed-by: Hannes Reinecke <[email protected]>
Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage [email protected] +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) -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
