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Commit 2040a857 authored by Deepak Ukey's avatar Deepak Ukey Committed by Martin K. Petersen
Browse files

scsi: pm80xx: Event log size through sysfs 



Added support to read event log size from MPI configuration table and
export through sysfs.

Signed-off-by: default avatarDeepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: default avatarViswas G <Viswas.G@microchip.com>
Reviewed-by: default avatarJack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent eedc42a0

drivers/scsi/pm8001/pm8001_ctl.c

+19 −0
Original line number Diff line number Diff line
@@ -461,6 +461,24 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, 
	return str - buf;

}

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
@@ -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,