linux/drivers/hwmon/peci/dimmtemp.c

// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2018-2021 Intel Corporation

#include <linux/auxiliary_bus.h>
#include <linux/bitfield.h>
#include <linux/bitops.h>
#include <linux/devm-helpers.h>
#include <linux/hwmon.h>
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/peci.h>
#include <linux/peci-cpu.h>
#include <linux/units.h>
#include <linux/workqueue.h>

#include "common.h"

#define DIMM_MASK_CHECK_DELAY_JIFFIES …

/* Max number of channel ranks and DIMM index per channel */
#define CHAN_RANK_MAX_ON_HSX …
#define DIMM_IDX_MAX_ON_HSX …
#define CHAN_RANK_MAX_ON_BDX …
#define DIMM_IDX_MAX_ON_BDX …
#define CHAN_RANK_MAX_ON_BDXD …
#define DIMM_IDX_MAX_ON_BDXD …
#define CHAN_RANK_MAX_ON_SKX …
#define DIMM_IDX_MAX_ON_SKX …
#define CHAN_RANK_MAX_ON_ICX …
#define DIMM_IDX_MAX_ON_ICX …
#define CHAN_RANK_MAX_ON_ICXD …
#define DIMM_IDX_MAX_ON_ICXD …
#define CHAN_RANK_MAX_ON_SPR …
#define DIMM_IDX_MAX_ON_SPR …

#define CHAN_RANK_MAX …
#define DIMM_IDX_MAX …
#define DIMM_NUMS_MAX …

#define CPU_SEG_MASK …
#define GET_CPU_SEG(x) …
#define CPU_BUS_MASK …
#define GET_CPU_BUS(x) …

#define DIMM_TEMP_MAX …
#define DIMM_TEMP_CRIT …
#define GET_TEMP_MAX(x) …
#define GET_TEMP_CRIT(x) …

#define NO_DIMM_RETRY_COUNT_MAX …

struct peci_dimmtemp;

struct dimm_info { … };

struct peci_dimm_thresholds { … };

enum peci_dimm_threshold_type { … };

struct peci_dimmtemp { … };

static u8 __dimm_temp(u32 reg, int dimm_order)
{ … }

static int get_dimm_temp(struct peci_dimmtemp *priv, int dimm_no, long *val)
{ … }

static int update_thresholds(struct peci_dimmtemp *priv, int dimm_no)
{ … }

static int get_dimm_thresholds(struct peci_dimmtemp *priv, enum peci_dimm_threshold_type type,
			       int dimm_no, long *val)
{ … }

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

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

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

static const struct hwmon_ops peci_dimmtemp_ops = …;

static int check_populated_dimms(struct peci_dimmtemp *priv)
{ … }

static int create_dimm_temp_label(struct peci_dimmtemp *priv, int chan)
{ … }

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

static const struct hwmon_chip_info peci_dimmtemp_chip_info = …;

static int create_dimm_temp_info(struct peci_dimmtemp *priv)
{ … }

static void create_dimm_temp_info_delayed(struct work_struct *work)
{ … }

static int peci_dimmtemp_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id)
{ … }

static int
read_thresholds_hsx(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
{ … }

static int
read_thresholds_bdxd(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
{ … }

static int
read_thresholds_skx(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
{ … }

static int
read_thresholds_icx(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
{ … }

static int
read_thresholds_spr(struct peci_dimmtemp *priv, int dimm_order, int chan_rank, u32 *data)
{ … }

static const struct dimm_info dimm_hsx = …;

static const struct dimm_info dimm_bdx = …;

static const struct dimm_info dimm_bdxd = …;

static const struct dimm_info dimm_skx = …;

static const struct dimm_info dimm_icx = …;

static const struct dimm_info dimm_icxd = …;

static const struct dimm_info dimm_spr = …;

static const struct auxiliary_device_id peci_dimmtemp_ids[] = …;
MODULE_DEVICE_TABLE(auxiliary, peci_dimmtemp_ids);

static struct auxiliary_driver peci_dimmtemp_driver = …;

module_auxiliary_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_IMPORT_NS(…);