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thermal: provide an UAPI header file 

include/linux/thermal.h contains definitions for the Thermal generic
netlink family, but none of the valuable information relevant to
user-space such as the Genl family name, multicast group, version or
command set and data types is exported to user-space.

Export all the relevant generic netlink information to user-space to
make this genl family usable by user-space, and while at it, export
THERMAL_NAME_LENGTH since it limits name length for thermal_hwmon
devices.

Kbuild and MAINTAINERS are also updated accordingly to reflect this new
file: include/uapi/linux/thermal.h.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Florian Fainelli 2014-11-19 18:11:00 -08:00 committed by Zhang Rui
parent 9d367e5e7b
commit af6c9f1657
4 changed files with 38 additions and 30 deletions
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1
MAINTAINERS
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@ -9295,6 +9295,7 @@ Q: https://patchwork.kernel.org/project/linux-pm/list/
S: Supported
F: drivers/thermal/
F: include/linux/thermal.h
F: include/uapi/linux/thermal.h
F: include/linux/cpu_cooling.h
F: Documentation/devicetree/bindings/thermal/

31
include/linux/thermal.h
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@ -29,10 +29,10 @@
#include <linux/idr.h>
#include <linux/device.h>
#include <linux/workqueue.h>
#include <uapi/linux/thermal.h>
#define THERMAL_TRIPS_NONE -1
#define THERMAL_MAX_TRIPS 12
#define THERMAL_NAME_LENGTH 20
/* invalid cooling state */
#define THERMAL_CSTATE_INVALID -1UL
@ -49,11 +49,6 @@
#define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off))
#define MILLICELSIUS_TO_DECI_KELVIN(t) MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, 2732)
/* Adding event notification support elements */
#define THERMAL_GENL_FAMILY_NAME "thermal_event"
#define THERMAL_GENL_VERSION 0x01
#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_grp"
/* Default Thermal Governor */
#if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE)
#define DEFAULT_THERMAL_GOVERNOR "step_wise"
@ -86,30 +81,6 @@ enum thermal_trend {
THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
};
/* Events supported by Thermal Netlink */
enum events {
THERMAL_AUX0,
THERMAL_AUX1,
THERMAL_CRITICAL,
THERMAL_DEV_FAULT,
};
/* attributes of thermal_genl_family */
enum {
THERMAL_GENL_ATTR_UNSPEC,
THERMAL_GENL_ATTR_EVENT,
__THERMAL_GENL_ATTR_MAX,
};
#define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
/* commands supported by the thermal_genl_family */
enum {
THERMAL_GENL_CMD_UNSPEC,
THERMAL_GENL_CMD_EVENT,
__THERMAL_GENL_CMD_MAX,
};
#define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
struct thermal_zone_device_ops {
int (*bind) (struct thermal_zone_device *,
struct thermal_cooling_device *);

1
include/uapi/linux/Kbuild
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@ -383,6 +383,7 @@ header-y += tcp.h
header-y += tcp_metrics.h
header-y += telephony.h
header-y += termios.h
header-y += thermal.h
header-y += time.h
header-y += times.h
header-y += timex.h

35
include/uapi/linux/thermal.h Normal file
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@ -0,0 +1,35 @@
#ifndef _UAPI_LINUX_THERMAL_H
#define _UAPI_LINUX_THERMAL_H
#define THERMAL_NAME_LENGTH 20
/* Adding event notification support elements */
#define THERMAL_GENL_FAMILY_NAME "thermal_event"
#define THERMAL_GENL_VERSION 0x01
#define THERMAL_GENL_MCAST_GROUP_NAME "thermal_mc_grp"
/* Events supported by Thermal Netlink */
enum events {
THERMAL_AUX0,
THERMAL_AUX1,
THERMAL_CRITICAL,
THERMAL_DEV_FAULT,
};
/* attributes of thermal_genl_family */
enum {
THERMAL_GENL_ATTR_UNSPEC,
THERMAL_GENL_ATTR_EVENT,
__THERMAL_GENL_ATTR_MAX,
};
#define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
/* commands supported by the thermal_genl_family */
enum {
THERMAL_GENL_CMD_UNSPEC,
THERMAL_GENL_CMD_EVENT,
__THERMAL_GENL_CMD_MAX,
};
#define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
#endif /* _UAPI_LINUX_THERMAL_H */