// SPDX-License-Identifier: GPL-2.0 /* * Driver for FPGA Management Engine (FME) * * Copyright (C) 2017-2018 Intel Corporation, Inc. * * Authors: * Kang Luwei <[email protected]> * Xiao Guangrong <[email protected]> * Joseph Grecco <[email protected]> * Enno Luebbers <[email protected]> * Tim Whisonant <[email protected]> * Ananda Ravuri <[email protected]> * Henry Mitchel <[email protected]> */ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/uaccess.h> #include <linux/units.h> #include <linux/fpga-dfl.h> #include "dfl.h" #include "dfl-fme.h" static ssize_t ports_num_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(ports_num); /* * Bitstream (static FPGA region) identifier number. It contains the * detailed version and other information of this static FPGA region. */ static ssize_t bitstream_id_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(bitstream_id); /* * Bitstream (static FPGA region) meta data. It contains the synthesis * date, seed and other information of this static FPGA region. */ static ssize_t bitstream_metadata_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(bitstream_metadata); static ssize_t cache_size_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(cache_size); static ssize_t fabric_version_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(fabric_version); static ssize_t socket_id_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(socket_id); static struct attribute *fme_hdr_attrs[] = …; static const struct attribute_group fme_hdr_group = …; static long fme_hdr_ioctl_release_port(struct dfl_feature_platform_data *pdata, unsigned long arg) { … } static long fme_hdr_ioctl_assign_port(struct dfl_feature_platform_data *pdata, unsigned long arg) { … } static long fme_hdr_ioctl(struct platform_device *pdev, struct dfl_feature *feature, unsigned int cmd, unsigned long arg) { … } static const struct dfl_feature_id fme_hdr_id_table[] = …; static const struct dfl_feature_ops fme_hdr_ops = …; #define FME_THERM_THRESHOLD … #define TEMP_THRESHOLD1 … #define TEMP_THRESHOLD1_EN … #define TEMP_THRESHOLD2 … #define TEMP_THRESHOLD2_EN … #define TRIP_THRESHOLD … #define TEMP_THRESHOLD1_STATUS … #define TEMP_THRESHOLD2_STATUS … /* threshold1 policy: 0 - AP2 (90% throttle) / 1 - AP1 (50% throttle) */ #define TEMP_THRESHOLD1_POLICY … #define FME_THERM_RDSENSOR_FMT1 … #define FPGA_TEMPERATURE … #define FME_THERM_CAP … #define THERM_NO_THROTTLE … #define MD_PRE_DEG static bool fme_thermal_throttle_support(void __iomem *base) { … } static umode_t thermal_hwmon_attrs_visible(const void *drvdata, enum hwmon_sensor_types type, u32 attr, int channel) { … } static int thermal_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static const struct hwmon_ops thermal_hwmon_ops = …; static const struct hwmon_channel_info * const thermal_hwmon_info[] = …; static const struct hwmon_chip_info thermal_hwmon_chip_info = …; static ssize_t temp1_max_policy_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(temp1_max_policy); static struct attribute *thermal_extra_attrs[] = …; static umode_t thermal_extra_attrs_visible(struct kobject *kobj, struct attribute *attr, int index) { … } static const struct attribute_group thermal_extra_group = …; __ATTRIBUTE_GROUPS(…); static int fme_thermal_mgmt_init(struct platform_device *pdev, struct dfl_feature *feature) { … } static const struct dfl_feature_id fme_thermal_mgmt_id_table[] = …; static const struct dfl_feature_ops fme_thermal_mgmt_ops = …; #define FME_PWR_STATUS … #define FME_LATENCY_TOLERANCE … #define PWR_CONSUMED … #define FME_PWR_THRESHOLD … #define PWR_THRESHOLD1 … #define PWR_THRESHOLD2 … #define PWR_THRESHOLD_MAX … #define PWR_THRESHOLD1_STATUS … #define PWR_THRESHOLD2_STATUS … #define FME_PWR_XEON_LIMIT … #define XEON_PWR_LIMIT … #define XEON_PWR_EN … #define FME_PWR_FPGA_LIMIT … #define FPGA_PWR_LIMIT … #define FPGA_PWR_EN … static int power_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static int power_hwmon_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val) { … } static umode_t power_hwmon_attrs_visible(const void *drvdata, enum hwmon_sensor_types type, u32 attr, int channel) { … } static const struct hwmon_ops power_hwmon_ops = …; static const struct hwmon_channel_info * const power_hwmon_info[] = …; static const struct hwmon_chip_info power_hwmon_chip_info = …; static ssize_t power1_xeon_limit_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t power1_fpga_limit_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t power1_ltr_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(power1_xeon_limit); static DEVICE_ATTR_RO(power1_fpga_limit); static DEVICE_ATTR_RO(power1_ltr); static struct attribute *power_extra_attrs[] = …; ATTRIBUTE_GROUPS(…); static int fme_power_mgmt_init(struct platform_device *pdev, struct dfl_feature *feature) { … } static const struct dfl_feature_id fme_power_mgmt_id_table[] = …; static const struct dfl_feature_ops fme_power_mgmt_ops = …; static struct dfl_feature_driver fme_feature_drvs[] = …; static long fme_ioctl_check_extension(struct dfl_feature_platform_data *pdata, unsigned long arg) { … } static int fme_open(struct inode *inode, struct file *filp) { … } static int fme_release(struct inode *inode, struct file *filp) { … } static long fme_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { … } static int fme_dev_init(struct platform_device *pdev) { … } static void fme_dev_destroy(struct platform_device *pdev) { … } static const struct file_operations fme_fops = …; static int fme_probe(struct platform_device *pdev) { … } static void fme_remove(struct platform_device *pdev) { … } static const struct attribute_group *fme_dev_groups[] = …; static struct platform_driver fme_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …;
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