Added support to read event log size from MPI configuration table
and export through sysfs.
Signed-off-by: Deepak Ukey <deepak.ukey@xxxxxxxxxxxxx>
Signed-off-by: Viswas G <Viswas.G@xxxxxxxxxxxxx>
Reviewed-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
---
drivers/scsi/pm8001/pm8001_ctl.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index d193961..c7e0a42c 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -462,6 +462,24 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
}
static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL);
/**
+ * event_log_size_show - event log size
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs read shost attribute.
+ */
+static ssize_t event_log_size_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
+}
+static DEVICE_ATTR_RO(event_log_size);
+/**
* pm8001_ctl_aap_log_show - IOP event log
* @cdev: pointer to embedded class device
* @buf: the buffer returned
@@ -796,6 +814,7 @@ struct device_attribute *pm8001_host_attrs[] = {
&dev_attr_max_sg_list,
&dev_attr_sas_spec_support,
&dev_attr_logging_level,
+ &dev_attr_event_log_size,
&dev_attr_host_sas_address,
&dev_attr_bios_version,
&dev_attr_ib_log,
--
1.8.5.6
