#ifndef __DMI_H__
  #define __DMI_H__

  #include <linux/list.h>

  #include <linux/mod_devicetable.h>

  /* enum dmi_field is in mod_devicetable.h */

  enum dmi_device_type {
  	DMI_DEV_TYPE_ANY = 0,
  	DMI_DEV_TYPE_OTHER,
  	DMI_DEV_TYPE_UNKNOWN,
  	DMI_DEV_TYPE_VIDEO,
  	DMI_DEV_TYPE_SCSI,
  	DMI_DEV_TYPE_ETHERNET,
  	DMI_DEV_TYPE_TOKENRING,
  	DMI_DEV_TYPE_SOUND,

  	DMI_DEV_TYPE_PATA,
  	DMI_DEV_TYPE_SATA,
  	DMI_DEV_TYPE_SAS,

  	DMI_DEV_TYPE_IPMI = -1,

  	DMI_DEV_TYPE_OEM_STRING = -2,

  	DMI_DEV_TYPE_DEV_ONBOARD = -3,

  };

  enum dmi_entry_type {
  	DMI_ENTRY_BIOS = 0,
  	DMI_ENTRY_SYSTEM,
  	DMI_ENTRY_BASEBOARD,
  	DMI_ENTRY_CHASSIS,
  	DMI_ENTRY_PROCESSOR,
  	DMI_ENTRY_MEM_CONTROLLER,
  	DMI_ENTRY_MEM_MODULE,
  	DMI_ENTRY_CACHE,
  	DMI_ENTRY_PORT_CONNECTOR,
  	DMI_ENTRY_SYSTEM_SLOT,
  	DMI_ENTRY_ONBOARD_DEVICE,
  	DMI_ENTRY_OEMSTRINGS,
  	DMI_ENTRY_SYSCONF,
  	DMI_ENTRY_BIOS_LANG,
  	DMI_ENTRY_GROUP_ASSOC,
  	DMI_ENTRY_SYSTEM_EVENT_LOG,
  	DMI_ENTRY_PHYS_MEM_ARRAY,
  	DMI_ENTRY_MEM_DEVICE,
  	DMI_ENTRY_32_MEM_ERROR,
  	DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
  	DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
  	DMI_ENTRY_BUILTIN_POINTING_DEV,
  	DMI_ENTRY_PORTABLE_BATTERY,
  	DMI_ENTRY_SYSTEM_RESET,
  	DMI_ENTRY_HW_SECURITY,
  	DMI_ENTRY_SYSTEM_POWER_CONTROLS,
  	DMI_ENTRY_VOLTAGE_PROBE,
  	DMI_ENTRY_COOLING_DEV,
  	DMI_ENTRY_TEMP_PROBE,
  	DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
  	DMI_ENTRY_OOB_REMOTE_ACCESS,
  	DMI_ENTRY_BIS_ENTRY,
  	DMI_ENTRY_SYSTEM_BOOT,
  	DMI_ENTRY_MGMT_DEV,
  	DMI_ENTRY_MGMT_DEV_COMPONENT,
  	DMI_ENTRY_MGMT_DEV_THRES,
  	DMI_ENTRY_MEM_CHANNEL,
  	DMI_ENTRY_IPMI_DEV,
  	DMI_ENTRY_SYS_POWER_SUPPLY,
  	DMI_ENTRY_ADDITIONAL,
  	DMI_ENTRY_ONBOARD_DEV_EXT,
  	DMI_ENTRY_MGMT_CONTROLLER_HOST,
  	DMI_ENTRY_INACTIVE = 126,
  	DMI_ENTRY_END_OF_TABLE = 127,
  };

  struct dmi_header {
  	u8 type;
  	u8 length;
  	u16 handle;
  };

  struct dmi_device {
  	struct list_head list;
  	int type;
  	const char *name;
  	void *device_data;	/* Type specific data */
  };

  #ifdef CONFIG_DMI

  struct dmi_dev_onboard {
  	struct dmi_device dev;
  	int instance;
  	int segment;
  	int bus;
  	int devfn;
  };

  extern int dmi_check_system(const struct dmi_system_id *list);

  const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);

  extern const char * dmi_get_system_info(int field);
  extern const struct dmi_device * dmi_find_device(int type, const char *name,
  	const struct dmi_device *from);

  extern void dmi_scan_machine(void);

  extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);

  extern int dmi_name_in_vendors(const char *str);

  extern int dmi_name_in_serial(const char *str);

  extern int dmi_available;

  extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  	void *private_data);

  extern bool dmi_match(enum dmi_field f, const char *str);

  #else

  static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  static inline const char * dmi_get_system_info(int field) { return NULL; }
  static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  	const struct dmi_device *from) { return NULL; }

  static inline void dmi_scan_machine(void) { return; }

  static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
  {
  	if (yearp)
  		*yearp = 0;
  	if (monthp)
  		*monthp = 0;
  	if (dayp)
  		*dayp = 0;
  	return false;
  }

  static inline int dmi_name_in_vendors(const char *s) { return 0; }

  static inline int dmi_name_in_serial(const char *s) { return 0; }

  #define dmi_available 0

  static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  	void *private_data) { return -1; }

  static inline bool dmi_match(enum dmi_field f, const char *str)
  	{ return false; }

  static inline const struct dmi_system_id *
  	dmi_first_match(const struct dmi_system_id *list) { return NULL; }

  
  #endif
  
  #endif	/* __DMI_H__ */