linux/drivers/nvme/host/hwmon.c

// SPDX-License-Identifier: GPL-2.0
/*
 * NVM Express hardware monitoring support
 * Copyright (c) 2019, Guenter Roeck
 */

#include <linux/hwmon.h>
#include <linux/units.h>
#include <asm/unaligned.h>

#include "nvme.h"

struct nvme_hwmon_data { … };

static int nvme_get_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under,
				long *temp)
{ … }

static int nvme_set_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under,
				long temp)
{ … }

static int nvme_hwmon_get_smart_log(struct nvme_hwmon_data *data)
{ … }

static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
			   u32 attr, int channel, long *val)
{ … }

static int nvme_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
			    u32 attr, int channel, long val)
{ … }

static const char * const nvme_hwmon_sensor_names[] = …;

static int nvme_hwmon_read_string(struct device *dev,
				  enum hwmon_sensor_types type, u32 attr,
				  int channel, const char **str)
{ … }

static umode_t nvme_hwmon_is_visible(const void *_data,
				     enum hwmon_sensor_types type,
				     u32 attr, int channel)
{ … }

static const struct hwmon_channel_info *const nvme_hwmon_info[] = …;

static const struct hwmon_ops nvme_hwmon_ops = …;

static const struct hwmon_chip_info nvme_hwmon_chip_info = …;

int nvme_hwmon_init(struct nvme_ctrl *ctrl)
{ … }

void nvme_hwmon_exit(struct nvme_ctrl *ctrl)
{ … }