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scsi: pm80xx: ILA and inactive firmware version through sysfs

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Added support to read ILA version and inactive firmware version from MPI
configuration table and export through sysfs.

Signed-off-by: Deepak Ukey <deepak.ukey@microsemi.com>
Signed-off-by: Viswas G <Viswas.G@microsemi.com>
Acked-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Viswas G
2017-10-18 11:39:08 +05:30
committed by Martin K. Petersen
parent 5990fd57eb
commit 24fff017e1
4 changed files with 63 additions and 0 deletions
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54
drivers/scsi/pm8001/pm8001_ctl.c
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@@ -98,6 +98,58 @@ static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,
}
}
static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL);
/**
* pm8001_ctl_ila_version_show - ila version
* @cdev: pointer to embedded class device
* @buf: the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_ila_version_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;
if (pm8001_ha->chip_id != chip_8001) {
return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version));
}
return 0;
}
static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
/**
* pm8001_ctl_inactive_fw_version_show - Inacative firmware version number
* @cdev: pointer to embedded class device
* @buf: the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_inactive_fw_version_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;
if (pm8001_ha->chip_id != chip_8001) {
return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version));
}
return 0;
}
static
DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL);
/**
* pm8001_ctl_max_out_io_show - max outstanding io supported
* @cdev: pointer to embedded class device
@@ -748,6 +800,8 @@ struct device_attribute *pm8001_host_attrs[] = {
&dev_attr_bios_version,
&dev_attr_ib_log,
&dev_attr_ob_log,
&dev_attr_ila_version,
&dev_attr_inc_fw_ver,
NULL,
};