text: #ifndef __ACPI_ACPI_THERMAL_H
  #define __ACPI_ACPI_THERMAL_H
  
  #include <asm/ioctl.h>
  
  #define ACPI_THERMAL_MAGIC 's'
  
  #define ACPI_THERMAL_GET_TRT_LEN _IOR(ACPI_THERMAL_MAGIC, 1, unsigned long)
  #define ACPI_THERMAL_GET_ART_LEN _IOR(ACPI_THERMAL_MAGIC, 2, unsigned long)
  #define ACPI_THERMAL_GET_TRT_COUNT _IOR(ACPI_THERMAL_MAGIC, 3, unsigned long)
  #define ACPI_THERMAL_GET_ART_COUNT _IOR(ACPI_THERMAL_MAGIC, 4, unsigned long)
  
  #define ACPI_THERMAL_GET_TRT	_IOR(ACPI_THERMAL_MAGIC, 5, unsigned long)
  #define ACPI_THERMAL_GET_ART	_IOR(ACPI_THERMAL_MAGIC, 6, unsigned long)
  
  struct art {
  	acpi_handle source;
  	acpi_handle target;
  	u64 weight;
  	u64 ac0_max;
  	u64 ac1_max;
  	u64 ac2_max;
  	u64 ac3_max;
  	u64 ac4_max;
  	u64 ac5_max;
  	u64 ac6_max;
  	u64 ac7_max;
  	u64 ac8_max;
  	u64 ac9_max;
  } __packed;
  
  struct trt {
  	acpi_handle source;
  	acpi_handle target;
  	u64 influence;
  	u64 sample_period;
  	u64 reverved1;
  	u64 reverved2;
  	u64 reverved3;
  	u64 reverved4;
  } __packed;
  
  #define ACPI_NR_ART_ELEMENTS 13
  /* for usrspace */
  union art_object {
  	struct {
  		char source_device[8]; /* ACPI single name */
  		char target_device[8]; /* ACPI single name */
  		u64 weight;
  		u64 ac0_max_level;
  		u64 ac1_max_level;
  		u64 ac2_max_level;
  		u64 ac3_max_level;
  		u64 ac4_max_level;
  		u64 ac5_max_level;
  		u64 ac6_max_level;
  		u64 ac7_max_level;
  		u64 ac8_max_level;
  		u64 ac9_max_level;
  	};
  	u64 __data[ACPI_NR_ART_ELEMENTS];
  };
  
  union trt_object {
  	struct {
  		char source_device[8]; /* ACPI single name */
  		char target_device[8]; /* ACPI single name */
  		u64 influence;
  		u64 sample_period;
  		u64 reserved[4];
  	};
  	u64 __data[8];
  };
  
  #ifdef __KERNEL__
  int acpi_thermal_rel_misc_device_add(acpi_handle handle);
  int acpi_thermal_rel_misc_device_remove(acpi_handle handle);
  int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts,
  		bool create_dev);
  int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts,
  		bool create_dev);
  #endif
  
  #endif /* __ACPI_ACPI_THERMAL_H */
  