/* called from igb_main.c */
int igb_sysfs_init(struct igb_adapter *adapter)
{
struct hwmon_buff *igb_hwmon;
struct i2c_client *client;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)
struct device *hwmon_dev;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) */
unsigned int i;
int rc = 0;
/* If this method isn't defined we don't support thermals */
if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL)
goto exit;
/* Don't create thermal hwmon interface if no sensors present */
rc = (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw));
if (rc)
goto exit;
igb_hwmon = devm_kzalloc(&adapter->pdev->dev, sizeof(*igb_hwmon),
GFP_KERNEL);
if (!igb_hwmon) {
rc = -ENOMEM;
goto exit;
}
adapter->igb_hwmon_buff = igb_hwmon;
for (i = 0; i < E1000_MAX_SENSORS; i++) {
/* Only create hwmon sysfs entries for sensors that have
* meaningful data.
*/
if (adapter->hw.mac.thermal_sensor_data.sensor[i].location == 0)
continue;
/* Bail if any hwmon attr struct fails to initialize */
rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_CAUTION);
if (rc)
goto exit;
rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_LOC);
if (rc)
goto exit;
rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_TEMP);
if (rc)
goto exit;
rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_MAX);
if (rc)
goto exit;
}
/* init i2c_client */
client = i2c_new_device(&adapter->i2c_adap, &i350_sensor_info);
if (client == NULL) {
dev_info(&adapter->pdev->dev,
"Failed to create new i2c device.\n");
rc = -ENODEV;
goto exit;
}
adapter->i2c_client = client;
igb_hwmon->groups[0] = &igb_hwmon->group;
igb_hwmon->group.attrs = igb_hwmon->attrs;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)
hwmon_dev = devm_hwmon_device_register_with_groups(&adapter->pdev->dev,
client->name,
igb_hwmon,
igb_hwmon->groups);
if (IS_ERR(hwmon_dev)) {
rc = PTR_ERR(hwmon_dev);
goto err;
}
goto exit;
err:
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) */
igb_sysfs_del_adapter(adapter);
exit:
return rc;
}
/* called from igb_main.c */
int igb_sysfs_init(struct igb_adapter *adapter)
{
struct hwmon_buff *igb_hwmon = &adapter->igb_hwmon_buff;
unsigned int i;
int n_attrs;
int rc = 0;
#ifdef HAVE_I2C_SUPPORT
struct i2c_client *client = NULL;
#endif /* HAVE_I2C_SUPPORT */
/* If this method isn't defined we don't support thermals */
if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL)
goto exit;
/* Don't create thermal hwmon interface if no sensors present */
rc = (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw));
if (rc)
goto exit;
#ifdef HAVE_I2C_SUPPORT
/* init i2c_client */
client = i2c_new_device(&adapter->i2c_adap, &i350_sensor_info);
if (client == NULL) {
dev_info(&adapter->pdev->dev,
"Failed to create new i2c device..\n");
goto exit;
}
adapter->i2c_client = client;
#endif /* HAVE_I2C_SUPPORT */
/* Allocation space for max attributes
* max num sensors * values (loc, temp, max, caution)
*/
n_attrs = E1000_MAX_SENSORS * 4;
igb_hwmon->hwmon_list = kcalloc(n_attrs, sizeof(struct hwmon_attr),
GFP_KERNEL);
if (!igb_hwmon->hwmon_list) {
rc = -ENOMEM;
goto err;
}
igb_hwmon->device = hwmon_device_register(&adapter->pdev->dev);
if (IS_ERR(igb_hwmon->device)) {
rc = PTR_ERR(igb_hwmon->device);
goto err;
}
for (i = 0; i < E1000_MAX_SENSORS; i++) {
/* Only create hwmon sysfs entries for sensors that have
* meaningful data.
*/
if (adapter->hw.mac.thermal_sensor_data.sensor[i].location == 0)
continue;
/* Bail if any hwmon attr struct fails to initialize */
rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_CAUTION);
rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_LOC);
rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_TEMP);
rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_MAX);
if (rc)
goto err;
}
goto exit;
err:
igb_sysfs_del_adapter(adapter);
exit:
return rc;
}