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Export reboot_reason sysfs attribute for DellEMC S6100/Z9100 #2922

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Merged
lguohan merged 1 commit into from
May 20, 2019
Merged

Export reboot_reason sysfs attribute for DellEMC S6100/Z9100 #2922

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22 changes: 22 additions & 0 deletions platform/broadcom/sonic-platform-modules-dell/common/dell_pmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@
#define SMF_READ_DATA_REG_OFFSET 2
#define SMF_REG_ADDR 0x200
#define SMF_PROBE_ADDR 0x210
#define SMF_RST_SRC_REG 0x20A

#define SIO_REG_DEVID 0x1
#define SIO_Z9100_ID 0x1
Expand Down Expand Up @@ -502,6 +503,23 @@ static ssize_t show_smf_version(struct device *dev,
}


/* SMF Reset Reason */
static ssize_t show_reset_reason(struct device *dev,
struct device_attribute *devattr, char *buf)
{
int index = to_sensor_dev_attr(devattr)->index;
unsigned int ret = 0, val = 0;
struct smf_data *data = dev_get_drvdata(dev);

ret = inb(SMF_RST_SRC_REG);

if(ret < 0)
return ret;

return sprintf(buf, "%x\n", ret);
}


/* FANIN ATTR */
static ssize_t
show_fan_label(struct device *dev, struct device_attribute *attr, char *buf)
Expand Down Expand Up @@ -1779,10 +1797,14 @@ static SENSOR_DEVICE_ATTR(current_total_power, S_IRUGO, show_psu, NULL, 10);
static SENSOR_DEVICE_ATTR(smf_version, S_IRUGO, show_smf_version, NULL, 0);
static SENSOR_DEVICE_ATTR(smf_firmware_ver, S_IRUGO, show_smf_version, NULL, 1);

/* SMF Reset Reason */
static SENSOR_DEVICE_ATTR(smf_reset_reason, S_IRUGO, show_reset_reason, NULL, 1);


static struct attribute *smf_dell_attrs[] = {
&sensor_dev_attr_smf_version.dev_attr.attr,
&sensor_dev_attr_smf_firmware_ver.dev_attr.attr,
&sensor_dev_attr_smf_reset_reason.dev_attr.attr,
&sensor_dev_attr_fan_tray_presence.dev_attr.attr,
&sensor_dev_attr_fan1_airflow.dev_attr.attr,
&sensor_dev_attr_fan3_airflow.dev_attr.attr,
Expand Down