include/uapi/linux/thermal.h

   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 #define THERMAL_THRESHOLD_WAY_UP        BIT(0)
   7 #define THERMAL_THRESHOLD_WAY_DOWN      BIT(1)
   8
   9 enum thermal_device_mode {
  10         THERMAL_DEVICE_DISABLED = 0,
  11         THERMAL_DEVICE_ENABLED,
  12 };
  13
  14 enum thermal_trip_type {
  15         THERMAL_TRIP_ACTIVE = 0,
  16         THERMAL_TRIP_PASSIVE,
  17         THERMAL_TRIP_HOT,
  18         THERMAL_TRIP_CRITICAL,
  19 };
  20
  21 /* Adding event notification support elements */
  22 #define THERMAL_GENL_FAMILY_NAME                "thermal"
  23 #define THERMAL_GENL_VERSION                    0x02
  24 #define THERMAL_GENL_SAMPLING_GROUP_NAME        "sampling"
  25 #define THERMAL_GENL_EVENT_GROUP_NAME           "event"
  26
  27 /* Attributes of thermal_genl_family */
  28 enum thermal_genl_attr {
  29         THERMAL_GENL_ATTR_UNSPEC,
  30         THERMAL_GENL_ATTR_TZ,
  31         THERMAL_GENL_ATTR_TZ_ID,
  32         THERMAL_GENL_ATTR_TZ_TEMP,
  33         THERMAL_GENL_ATTR_TZ_PREV_TEMP,
  34         THERMAL_GENL_ATTR_TZ_TRIP,
  35         THERMAL_GENL_ATTR_TZ_TRIP_ID,
  36         THERMAL_GENL_ATTR_TZ_TRIP_TYPE,
  37         THERMAL_GENL_ATTR_TZ_TRIP_TEMP,
  38         THERMAL_GENL_ATTR_TZ_TRIP_HYST,
  39         THERMAL_GENL_ATTR_TZ_MODE,
  40         THERMAL_GENL_ATTR_TZ_NAME,
  41         THERMAL_GENL_ATTR_TZ_CDEV_WEIGHT,
  42         THERMAL_GENL_ATTR_TZ_GOV,
  43         THERMAL_GENL_ATTR_TZ_GOV_NAME,
  44         THERMAL_GENL_ATTR_CDEV,
  45         THERMAL_GENL_ATTR_CDEV_ID,
  46         THERMAL_GENL_ATTR_CDEV_CUR_STATE,
  47         THERMAL_GENL_ATTR_CDEV_MAX_STATE,
  48         THERMAL_GENL_ATTR_CDEV_NAME,
  49         THERMAL_GENL_ATTR_GOV_NAME,
  50         THERMAL_GENL_ATTR_CPU_CAPABILITY,
  51         THERMAL_GENL_ATTR_CPU_CAPABILITY_ID,
  52         THERMAL_GENL_ATTR_CPU_CAPABILITY_PERFORMANCE,
  53         THERMAL_GENL_ATTR_CPU_CAPABILITY_EFFICIENCY,
  54         THERMAL_GENL_ATTR_THRESHOLD,
  55         THERMAL_GENL_ATTR_THRESHOLD_TEMP,
  56         THERMAL_GENL_ATTR_THRESHOLD_DIRECTION,
  57         __THERMAL_GENL_ATTR_MAX,
  58 };
  59 #define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
  60
  61 enum thermal_genl_sampling {
  62         THERMAL_GENL_SAMPLING_TEMP,
  63         __THERMAL_GENL_SAMPLING_MAX,
  64 };
  65 #define THERMAL_GENL_SAMPLING_MAX (__THERMAL_GENL_SAMPLING_MAX - 1)
  66
  67 /* Events of thermal_genl_family */
  68 enum thermal_genl_event {
  69         THERMAL_GENL_EVENT_UNSPEC,
  70         THERMAL_GENL_EVENT_TZ_CREATE,           /* Thermal zone creation */
  71         THERMAL_GENL_EVENT_TZ_DELETE,           /* Thermal zone deletion */
  72         THERMAL_GENL_EVENT_TZ_DISABLE,          /* Thermal zone disabled */
  73         THERMAL_GENL_EVENT_TZ_ENABLE,           /* Thermal zone enabled */
  74         THERMAL_GENL_EVENT_TZ_TRIP_UP,          /* Trip point crossed the way up */
  75         THERMAL_GENL_EVENT_TZ_TRIP_DOWN,        /* Trip point crossed the way down */
  76         THERMAL_GENL_EVENT_TZ_TRIP_CHANGE,      /* Trip point changed */
  77         THERMAL_GENL_EVENT_TZ_TRIP_ADD,         /* Trip point added */
  78         THERMAL_GENL_EVENT_TZ_TRIP_DELETE,      /* Trip point deleted */
  79         THERMAL_GENL_EVENT_CDEV_ADD,            /* Cdev bound to the thermal zone */
  80         THERMAL_GENL_EVENT_CDEV_DELETE,         /* Cdev unbound */
  81         THERMAL_GENL_EVENT_CDEV_STATE_UPDATE,   /* Cdev state updated */
  82         THERMAL_GENL_EVENT_TZ_GOV_CHANGE,       /* Governor policy changed  */
  83         THERMAL_GENL_EVENT_CPU_CAPABILITY_CHANGE,       /* CPU capability changed */
  84         THERMAL_GENL_EVENT_THRESHOLD_ADD,       /* A thresold has been added */
  85         THERMAL_GENL_EVENT_THRESHOLD_DELETE,    /* A thresold has been deleted */
  86         THERMAL_GENL_EVENT_THRESHOLD_FLUSH,     /* All thresolds have been deleted */
  87         THERMAL_GENL_EVENT_THRESHOLD_UP,        /* A thresold has been crossed the way up */
  88         THERMAL_GENL_EVENT_THRESHOLD_DOWN,      /* A thresold has been crossed the way down */
  89         __THERMAL_GENL_EVENT_MAX,
  90 };
  91 #define THERMAL_GENL_EVENT_MAX (__THERMAL_GENL_EVENT_MAX - 1)
  92
  93 /* Commands supported by the thermal_genl_family */
  94 enum thermal_genl_cmd {
  95         THERMAL_GENL_CMD_UNSPEC,
  96         THERMAL_GENL_CMD_TZ_GET_ID,             /* List of thermal zones id */
  97         THERMAL_GENL_CMD_TZ_GET_TRIP,           /* List of thermal trips */
  98         THERMAL_GENL_CMD_TZ_GET_TEMP,           /* Get the thermal zone temperature */
  99         THERMAL_GENL_CMD_TZ_GET_GOV,            /* Get the thermal zone governor */
 100         THERMAL_GENL_CMD_TZ_GET_MODE,           /* Get the thermal zone mode */
 101         THERMAL_GENL_CMD_CDEV_GET,              /* List of cdev id */
 102         THERMAL_GENL_CMD_THRESHOLD_GET,         /* List of thresholds */
 103         THERMAL_GENL_CMD_THRESHOLD_ADD,         /* Add a threshold */
 104         THERMAL_GENL_CMD_THRESHOLD_DELETE,      /* Delete a threshold */
 105         THERMAL_GENL_CMD_THRESHOLD_FLUSH,       /* Flush all the thresholds */
 106         __THERMAL_GENL_CMD_MAX,
 107 };
 108 #define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
 109
 110 #endif /* _UAPI_LINUX_THERMAL_H */