diff options
| author | Venkata Duvvuru <VenkatKumar.Duvvuru@Emulex.Com> | 2015-05-13 13:00:12 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-14 12:21:41 -0400 |
| commit | 29e9122b3ab2aa7160e54c2bbea242b99588325c (patch) | |
| tree | 3f2f0ef07eba16cfcbf93ab83c3a0220286b79fb /drivers/net/ethernet/emulex/benet/be_main.c | |
| parent | 5a99e7f22b0d0f8ba65b7fb19ad3511e2497356c (diff) | |
be2net: Export board temperature using hwmon-sysfs interface.
Ethtool statistics is not the right place to display board temperature.
This patch adds support to export die temperature of devices supported
by be2net driver via the sysfs hwmon interface.
Signed-off-by: Venkat Duvvuru <VenkatKumar.Duvvuru@Emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be_main.c')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index f15a3cfeb217..b4cea559bacd 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5470,6 +5470,30 @@ static void be_remove(struct pci_dev *pdev) free_netdev(adapter->netdev); } +ssize_t be_hwmon_show_temp(struct device *dev, + struct device_attribute *dev_attr, + char *buf) +{ + struct be_adapter *adapter = dev_get_drvdata(dev); + + /* Unit: millidegree Celsius */ + if (adapter->hwmon_info.be_on_die_temp == BE_INVALID_DIE_TEMP) + return -EIO; + else + return sprintf(buf, "%u\n", + adapter->hwmon_info.be_on_die_temp * 1000); +} + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, + be_hwmon_show_temp, NULL, 1); + +static struct attribute *be_hwmon_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL +}; + +ATTRIBUTE_GROUPS(be_hwmon); + static char *mc_name(struct be_adapter *adapter) { char *str = ""; /* default */ @@ -5589,6 +5613,16 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) be_schedule_err_detection(adapter); + /* On Die temperature not supported for VF. */ + if (be_physfn(adapter)) { + adapter->hwmon_info.hwmon_dev = + devm_hwmon_device_register_with_groups(&pdev->dev, + DRV_NAME, + adapter, + be_hwmon_groups); + adapter->hwmon_info.be_on_die_temp = BE_INVALID_DIE_TEMP; + } + dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), func_name(adapter), mc_name(adapter), adapter->port_name); |