include/uapi/linux/thermal.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/thermal.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/thermal.h
Extension
.h
Size
4163 bytes
Lines
111
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _UAPI_LINUX_THERMAL_H
#define _UAPI_LINUX_THERMAL_H

#define THERMAL_NAME_LENGTH	20
#define THERMAL_THRESHOLD_WAY_UP	0x1
#define THERMAL_THRESHOLD_WAY_DOWN	0x2

enum thermal_device_mode {
	THERMAL_DEVICE_DISABLED = 0,
	THERMAL_DEVICE_ENABLED,
};

enum thermal_trip_type {
	THERMAL_TRIP_ACTIVE = 0,
	THERMAL_TRIP_PASSIVE,
	THERMAL_TRIP_HOT,
	THERMAL_TRIP_CRITICAL,
};

/* Adding event notification support elements */
#define THERMAL_GENL_FAMILY_NAME		"thermal"
#define THERMAL_GENL_VERSION			0x02
#define THERMAL_GENL_SAMPLING_GROUP_NAME	"sampling"
#define THERMAL_GENL_EVENT_GROUP_NAME		"event"

/* Attributes of thermal_genl_family */
enum thermal_genl_attr {
	THERMAL_GENL_ATTR_UNSPEC,
	THERMAL_GENL_ATTR_TZ,
	THERMAL_GENL_ATTR_TZ_ID,
	THERMAL_GENL_ATTR_TZ_TEMP,
	THERMAL_GENL_ATTR_TZ_TRIP,
	THERMAL_GENL_ATTR_TZ_TRIP_ID,
	THERMAL_GENL_ATTR_TZ_TRIP_TYPE,
	THERMAL_GENL_ATTR_TZ_TRIP_TEMP,
	THERMAL_GENL_ATTR_TZ_TRIP_HYST,
	THERMAL_GENL_ATTR_TZ_MODE,
	THERMAL_GENL_ATTR_TZ_NAME,
	THERMAL_GENL_ATTR_TZ_CDEV_WEIGHT,
	THERMAL_GENL_ATTR_TZ_GOV,
	THERMAL_GENL_ATTR_TZ_GOV_NAME,
	THERMAL_GENL_ATTR_CDEV,
	THERMAL_GENL_ATTR_CDEV_ID,
	THERMAL_GENL_ATTR_CDEV_CUR_STATE,
	THERMAL_GENL_ATTR_CDEV_MAX_STATE,
	THERMAL_GENL_ATTR_CDEV_NAME,
	THERMAL_GENL_ATTR_GOV_NAME,
	THERMAL_GENL_ATTR_CPU_CAPABILITY,
	THERMAL_GENL_ATTR_CPU_CAPABILITY_ID,
	THERMAL_GENL_ATTR_CPU_CAPABILITY_PERFORMANCE,
	THERMAL_GENL_ATTR_CPU_CAPABILITY_EFFICIENCY,
	THERMAL_GENL_ATTR_THRESHOLD,
	THERMAL_GENL_ATTR_THRESHOLD_TEMP,
	THERMAL_GENL_ATTR_THRESHOLD_DIRECTION,
	THERMAL_GENL_ATTR_TZ_PREV_TEMP,
	__THERMAL_GENL_ATTR_MAX,
};
#define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)

enum thermal_genl_sampling {
	THERMAL_GENL_SAMPLING_TEMP,
	__THERMAL_GENL_SAMPLING_MAX,
};
#define THERMAL_GENL_SAMPLING_MAX (__THERMAL_GENL_SAMPLING_MAX - 1)

/* Events of thermal_genl_family */
enum thermal_genl_event {
	THERMAL_GENL_EVENT_UNSPEC,
	THERMAL_GENL_EVENT_TZ_CREATE,		/* Thermal zone creation */
	THERMAL_GENL_EVENT_TZ_DELETE,		/* Thermal zone deletion */
	THERMAL_GENL_EVENT_TZ_DISABLE,		/* Thermal zone disabled */
	THERMAL_GENL_EVENT_TZ_ENABLE,		/* Thermal zone enabled */
	THERMAL_GENL_EVENT_TZ_TRIP_UP,		/* Trip point crossed the way up */
	THERMAL_GENL_EVENT_TZ_TRIP_DOWN,	/* Trip point crossed the way down */
	THERMAL_GENL_EVENT_TZ_TRIP_CHANGE,	/* Trip point changed */
	THERMAL_GENL_EVENT_TZ_TRIP_ADD,		/* Trip point added */
	THERMAL_GENL_EVENT_TZ_TRIP_DELETE,	/* Trip point deleted */
	THERMAL_GENL_EVENT_CDEV_ADD,		/* Cdev bound to the thermal zone */
	THERMAL_GENL_EVENT_CDEV_DELETE,		/* Cdev unbound */
	THERMAL_GENL_EVENT_CDEV_STATE_UPDATE,	/* Cdev state updated */
	THERMAL_GENL_EVENT_TZ_GOV_CHANGE,	/* Governor policy changed  */
	THERMAL_GENL_EVENT_CPU_CAPABILITY_CHANGE,	/* CPU capability changed */
	THERMAL_GENL_EVENT_THRESHOLD_ADD,	/* A thresold has been added */
	THERMAL_GENL_EVENT_THRESHOLD_DELETE,	/* A thresold has been deleted */
	THERMAL_GENL_EVENT_THRESHOLD_FLUSH,	/* All thresolds have been deleted */
	THERMAL_GENL_EVENT_THRESHOLD_UP,	/* A thresold has been crossed the way up */
	THERMAL_GENL_EVENT_THRESHOLD_DOWN,	/* A thresold has been crossed the way down */
	__THERMAL_GENL_EVENT_MAX,
};
#define THERMAL_GENL_EVENT_MAX (__THERMAL_GENL_EVENT_MAX - 1)

Annotation

Implementation Notes