diff mbox series

[2/3] pm80xx : Event log size through sysfs.

Message ID 20190624082228.27433-3-deepak.ukey@microchip.com (mailing list archive)
State Superseded
Headers show
Series pm0xx : Updates for driver version 0.1.39. | expand

Commit Message

Deepak Ukey June 24, 2019, 8:22 a.m. UTC 
Added support to read event log size from MPI configuration table
and export through sysfs.

Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
---
 drivers/scsi/pm8001/pm8001_ctl.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Comments

Jinpu Wang June 25, 2019, 10:17 a.m. UTC | #1 
On Mon, Jun 24, 2019 at 10:22 AM Deepak Ukey <deepak.ukey@microchip.com> wrote:
>
> Added support to read event log size from MPI configuration table
> and export through sysfs.
>
> Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
> Signed-off-by: Viswas G <Viswas.G@microchip.com>
Thanks, looks fine.
Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com>
diff mbox series

Patch

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,