Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Carolyn Wyborny | 801 | 81.99% | 2 | 25.00% |
Guenter Roeck | 172 | 17.60% | 2 | 25.00% |
Jeff Kirsher | 2 | 0.20% | 2 | 25.00% |
Joe Perches | 1 | 0.10% | 1 | 12.50% |
Stephen Hemminger | 1 | 0.10% | 1 | 12.50% |
Total | 977 | 8 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2007 - 2018 Intel Corporation. */ #include "igb.h" #include "e1000_82575.h" #include "e1000_hw.h" #include <linux/module.h> #include <linux/types.h> #include <linux/sysfs.h> #include <linux/kobject.h> #include <linux/device.h> #include <linux/netdevice.h> #include <linux/hwmon.h> #include <linux/pci.h> #ifdef CONFIG_IGB_HWMON static struct i2c_board_info i350_sensor_info = { I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)), }; /* hwmon callback functions */ static ssize_t igb_hwmon_show_location(struct device *dev, struct device_attribute *attr, char *buf) { struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr, dev_attr); return sprintf(buf, "loc%u\n", igb_attr->sensor->location); } static ssize_t igb_hwmon_show_temp(struct device *dev, struct device_attribute *attr, char *buf) { struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr, dev_attr); unsigned int value; /* reset the temp field */ igb_attr->hw->mac.ops.get_thermal_sensor_data(igb_attr->hw); value = igb_attr->sensor->temp; /* display millidegree */ value *= 1000; return sprintf(buf, "%u\n", value); } static ssize_t igb_hwmon_show_cautionthresh(struct device *dev, struct device_attribute *attr, char *buf) { struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr, dev_attr); unsigned int value = igb_attr->sensor->caution_thresh; /* display millidegree */ value *= 1000; return sprintf(buf, "%u\n", value); } static ssize_t igb_hwmon_show_maxopthresh(struct device *dev, struct device_attribute *attr, char *buf) { struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr, dev_attr); unsigned int value = igb_attr->sensor->max_op_thresh; /* display millidegree */ value *= 1000; return sprintf(buf, "%u\n", value); } /* igb_add_hwmon_attr - Create hwmon attr table for a hwmon sysfs file. * @ adapter: pointer to the adapter structure * @ offset: offset in the eeprom sensor data table * @ type: type of sensor data to display * * For each file we want in hwmon's sysfs interface we need a device_attribute * This is included in our hwmon_attr struct that contains the references to * the data structures we need to get the data to display. */ static int igb_add_hwmon_attr(struct igb_adapter *adapter, unsigned int offset, int type) { int rc; unsigned int n_attr; struct hwmon_attr *igb_attr; n_attr = adapter->igb_hwmon_buff->n_hwmon; igb_attr = &adapter->igb_hwmon_buff->hwmon_list[n_attr]; switch (type) { case IGB_HWMON_TYPE_LOC: igb_attr->dev_attr.show = igb_hwmon_show_location; snprintf(igb_attr->name, sizeof(igb_attr->name), "temp%u_label", offset + 1); break; case IGB_HWMON_TYPE_TEMP: igb_attr->dev_attr.show = igb_hwmon_show_temp; snprintf(igb_attr->name, sizeof(igb_attr->name), "temp%u_input", offset + 1); break; case IGB_HWMON_TYPE_CAUTION: igb_attr->dev_attr.show = igb_hwmon_show_cautionthresh; snprintf(igb_attr->name, sizeof(igb_attr->name), "temp%u_max", offset + 1); break; case IGB_HWMON_TYPE_MAX: igb_attr->dev_attr.show = igb_hwmon_show_maxopthresh; snprintf(igb_attr->name, sizeof(igb_attr->name), "temp%u_crit", offset + 1); break; default: rc = -EPERM; return rc; } /* These always the same regardless of type */ igb_attr->sensor = &adapter->hw.mac.thermal_sensor_data.sensor[offset]; igb_attr->hw = &adapter->hw; igb_attr->dev_attr.store = NULL; igb_attr->dev_attr.attr.mode = 0444; igb_attr->dev_attr.attr.name = igb_attr->name; sysfs_attr_init(&igb_attr->dev_attr.attr); adapter->igb_hwmon_buff->attrs[n_attr] = &igb_attr->dev_attr.attr; ++adapter->igb_hwmon_buff->n_hwmon; return 0; } static void igb_sysfs_del_adapter(struct igb_adapter *adapter) { } /* called from igb_main.c */ void igb_sysfs_exit(struct igb_adapter *adapter) { igb_sysfs_del_adapter(adapter); } /* called from igb_main.c */ int igb_sysfs_init(struct igb_adapter *adapter) { struct hwmon_buff *igb_hwmon; struct i2c_client *client; struct device *hwmon_dev; 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; 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: igb_sysfs_del_adapter(adapter); exit: return rc; } #endif
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