xref: /openbmc/linux/include/uapi/linux/thermal.h (revision e4b1eb24)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_THERMAL_H
3 #define _UAPI_LINUX_THERMAL_H
4 
5 #define THERMAL_NAME_LENGTH	20
6 
7 enum thermal_device_mode {
8 	THERMAL_DEVICE_DISABLED = 0,
9 	THERMAL_DEVICE_ENABLED,
10 };
11 
12 enum thermal_trip_type {
13 	THERMAL_TRIP_ACTIVE = 0,
14 	THERMAL_TRIP_PASSIVE,
15 	THERMAL_TRIP_HOT,
16 	THERMAL_TRIP_CRITICAL,
17 };
18 
19 /* Adding event notification support elements */
20 #define THERMAL_GENL_FAMILY_NAME		"thermal"
21 #define THERMAL_GENL_VERSION			0x01
22 #define THERMAL_GENL_SAMPLING_GROUP_NAME	"sampling"
23 #define THERMAL_GENL_EVENT_GROUP_NAME		"event"
24 
25 /* Attributes of thermal_genl_family */
26 enum thermal_genl_attr {
27 	THERMAL_GENL_ATTR_UNSPEC,
28 	THERMAL_GENL_ATTR_TZ,
29 	THERMAL_GENL_ATTR_TZ_ID,
30 	THERMAL_GENL_ATTR_TZ_TEMP,
31 	THERMAL_GENL_ATTR_TZ_TRIP,
32 	THERMAL_GENL_ATTR_TZ_TRIP_ID,
33 	THERMAL_GENL_ATTR_TZ_TRIP_TYPE,
34 	THERMAL_GENL_ATTR_TZ_TRIP_TEMP,
35 	THERMAL_GENL_ATTR_TZ_TRIP_HYST,
36 	THERMAL_GENL_ATTR_TZ_MODE,
37 	THERMAL_GENL_ATTR_TZ_NAME,
38 	THERMAL_GENL_ATTR_TZ_CDEV_WEIGHT,
39 	THERMAL_GENL_ATTR_TZ_GOV,
40 	THERMAL_GENL_ATTR_TZ_GOV_NAME,
41 	THERMAL_GENL_ATTR_CDEV,
42 	THERMAL_GENL_ATTR_CDEV_ID,
43 	THERMAL_GENL_ATTR_CDEV_CUR_STATE,
44 	THERMAL_GENL_ATTR_CDEV_MAX_STATE,
45 	THERMAL_GENL_ATTR_CDEV_NAME,
46 	THERMAL_GENL_ATTR_GOV_NAME,
47 	THERMAL_GENL_ATTR_CPU_CAPABILITY,
48 	THERMAL_GENL_ATTR_CPU_CAPABILITY_ID,
49 	THERMAL_GENL_ATTR_CPU_CAPABILITY_PERFORMANCE,
50 	THERMAL_GENL_ATTR_CPU_CAPABILITY_EFFICIENCY,
51 	__THERMAL_GENL_ATTR_MAX,
52 };
53 #define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
54 
55 enum thermal_genl_sampling {
56 	THERMAL_GENL_SAMPLING_TEMP,
57 	__THERMAL_GENL_SAMPLING_MAX,
58 };
59 #define THERMAL_GENL_SAMPLING_MAX (__THERMAL_GENL_SAMPLING_MAX - 1)
60 
61 /* Events of thermal_genl_family */
62 enum thermal_genl_event {
63 	THERMAL_GENL_EVENT_UNSPEC,
64 	THERMAL_GENL_EVENT_TZ_CREATE,		/* Thermal zone creation */
65 	THERMAL_GENL_EVENT_TZ_DELETE,		/* Thermal zone deletion */
66 	THERMAL_GENL_EVENT_TZ_DISABLE,		/* Thermal zone disabled */
67 	THERMAL_GENL_EVENT_TZ_ENABLE,		/* Thermal zone enabled */
68 	THERMAL_GENL_EVENT_TZ_TRIP_UP,		/* Trip point crossed the way up */
69 	THERMAL_GENL_EVENT_TZ_TRIP_DOWN,	/* Trip point crossed the way down */
70 	THERMAL_GENL_EVENT_TZ_TRIP_CHANGE,	/* Trip point changed */
71 	THERMAL_GENL_EVENT_TZ_TRIP_ADD,		/* Trip point added */
72 	THERMAL_GENL_EVENT_TZ_TRIP_DELETE,	/* Trip point deleted */
73 	THERMAL_GENL_EVENT_CDEV_ADD,		/* Cdev bound to the thermal zone */
74 	THERMAL_GENL_EVENT_CDEV_DELETE,		/* Cdev unbound */
75 	THERMAL_GENL_EVENT_CDEV_STATE_UPDATE,	/* Cdev state updated */
76 	THERMAL_GENL_EVENT_TZ_GOV_CHANGE,	/* Governor policy changed  */
77 	THERMAL_GENL_EVENT_CPU_CAPABILITY_CHANGE,	/* CPU capability changed */
78 	__THERMAL_GENL_EVENT_MAX,
79 };
80 #define THERMAL_GENL_EVENT_MAX (__THERMAL_GENL_EVENT_MAX - 1)
81 
82 /* Commands supported by the thermal_genl_family */
83 enum thermal_genl_cmd {
84 	THERMAL_GENL_CMD_UNSPEC,
85 	THERMAL_GENL_CMD_TZ_GET_ID,	/* List of thermal zones id */
86 	THERMAL_GENL_CMD_TZ_GET_TRIP,	/* List of thermal trips */
87 	THERMAL_GENL_CMD_TZ_GET_TEMP,	/* Get the thermal zone temperature */
88 	THERMAL_GENL_CMD_TZ_GET_GOV,	/* Get the thermal zone governor */
89 	THERMAL_GENL_CMD_TZ_GET_MODE,	/* Get the thermal zone mode */
90 	THERMAL_GENL_CMD_CDEV_GET,	/* List of cdev id */
91 	__THERMAL_GENL_CMD_MAX,
92 };
93 #define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
94 
95 #endif /* _UAPI_LINUX_THERMAL_H */
96