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   1 #ifndef __DMI_H__
   2 #define __DMI_H__
   3
   4 #include <linux/list.h>
   5
   6 enum dmi_field {
   7         DMI_NONE,
   8         DMI_BIOS_VENDOR,
   9         DMI_BIOS_VERSION,
  10         DMI_BIOS_DATE,
  11         DMI_SYS_VENDOR,
  12         DMI_PRODUCT_NAME,
  13         DMI_PRODUCT_VERSION,
  14         DMI_PRODUCT_SERIAL,
  15         DMI_BOARD_VENDOR,
  16         DMI_BOARD_NAME,
  17         DMI_BOARD_VERSION,
  18         DMI_STRING_MAX,
  19 };
  20
  21 enum dmi_device_type {
  22         DMI_DEV_TYPE_ANY = 0,
  23         DMI_DEV_TYPE_OTHER,
  24         DMI_DEV_TYPE_UNKNOWN,
  25         DMI_DEV_TYPE_VIDEO,
  26         DMI_DEV_TYPE_SCSI,
  27         DMI_DEV_TYPE_ETHERNET,
  28         DMI_DEV_TYPE_TOKENRING,
  29         DMI_DEV_TYPE_SOUND,
  30         DMI_DEV_TYPE_IPMI = -1
  31 };
  32
  33 struct dmi_header {
  34         u8 type;
  35         u8 length;
  36         u16 handle;
  37 };
  38
  39 /*
  40  *      DMI callbacks for problem boards
  41  */
  42 struct dmi_strmatch {
  43         u8 slot;
  44         char *substr;
  45 };
  46
  47 struct dmi_system_id {
  48         int (*callback)(struct dmi_system_id *);
  49         const char *ident;
  50         struct dmi_strmatch matches[4];
  51         void *driver_data;
  52 };
  53
  54 #define DMI_MATCH(a, b) { a, b }
  55
  56 struct dmi_device {
  57         struct list_head list;
  58         int type;
  59         const char *name;
  60         void *device_data;      /* Type specific data */
  61 };
  62
  63 #if defined(CONFIG_X86) && !defined(CONFIG_X86_64)
  64
  65 extern int dmi_check_system(struct dmi_system_id *list);
  66 extern char * dmi_get_system_info(int field);
  67 extern struct dmi_device * dmi_find_device(int type, const char *name,
  68         struct dmi_device *from);
  69 #else
  70
  71 static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
  72 static inline char * dmi_get_system_info(int field) { return NULL; }
  73 static inline struct dmi_device * dmi_find_device(int type, const char *name,
  74         struct dmi_device *from) { return NULL; }
  75
  76 #endif
  77
  78 #endif  /* __DMI_H__ */