LXR linux/include/linux/dmi.h

   1#ifndef __DMI_H__
   2#define __DMI_H__
   3
   4#include <linux/list.h>
   5#include <linux/mod_devicetable.h>
   6
   7/* enum dmi_field is in mod_devicetable.h */
   8
   9enum dmi_device_type {
  10        DMI_DEV_TYPE_ANY = 0,
  11        DMI_DEV_TYPE_OTHER,
  12        DMI_DEV_TYPE_UNKNOWN,
  13        DMI_DEV_TYPE_VIDEO,
  14        DMI_DEV_TYPE_SCSI,
  15        DMI_DEV_TYPE_ETHERNET,
  16        DMI_DEV_TYPE_TOKENRING,
  17        DMI_DEV_TYPE_SOUND,
  18        DMI_DEV_TYPE_PATA,
  19        DMI_DEV_TYPE_SATA,
  20        DMI_DEV_TYPE_SAS,
  21        DMI_DEV_TYPE_IPMI = -1,
  22        DMI_DEV_TYPE_OEM_STRING = -2,
  23};
  24
  25struct dmi_header {
  26        u8 type;
  27        u8 length;
  28        u16 handle;
  29};
  30
  31struct dmi_device {
  32        struct list_head list;
  33        int type;
  34        const char *name;
  35        void *device_data;      /* Type specific data */
  36};
  37
  38#ifdef CONFIG_DMI
  39
  40extern int dmi_check_system(const struct dmi_system_id *list);
  41extern const char * dmi_get_system_info(int field);
  42extern const struct dmi_device * dmi_find_device(int type, const char *name,
  43        const struct dmi_device *from);
  44extern void dmi_scan_machine(void);
  45extern int dmi_get_year(int field);
  46extern int dmi_name_in_vendors(const char *str);
  47extern int dmi_available;
  48extern int dmi_walk(void (*decode)(const struct dmi_header *));
  49
  50#else
  51
  52static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  53static inline const char * dmi_get_system_info(int field) { return NULL; }
  54static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  55        const struct dmi_device *from) { return NULL; }
  56static inline void dmi_scan_machine(void) { return; }
  57static inline int dmi_get_year(int year) { return 0; }
  58static inline int dmi_name_in_vendors(const char *s) { return 0; }
  59#define dmi_available 0
  60static inline int dmi_walk(void (*decode)(const struct dmi_header *))
  61        { return -1; }
  62
  63#endif
  64
  65#endif  /* __DMI_H__ */
  66