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
   9 enum 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
  25 struct dmi_header {
  26         u8 type;
  27         u8 length;
  28         u16 handle;
  29 };
  30
  31 struct 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
  40 extern int dmi_check_system(const struct dmi_system_id *list);
  41 extern const char * dmi_get_system_info(int field);
  42 extern const struct dmi_device * dmi_find_device(int type, const char *name,
  43         const struct dmi_device *from);
  44 extern void dmi_scan_machine(void);
  45 extern int dmi_get_year(int field);
  46 extern int dmi_name_in_vendors(const char *str);
  47 extern int dmi_available;
  48 extern int dmi_walk(void (*decode)(const struct dmi_header *));
  49
  50 #else
  51
  52 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  53 static inline const char * dmi_get_system_info(int field) { return NULL; }
  54 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  55         const struct dmi_device *from) { return NULL; }
  56 static inline void dmi_scan_machine(void) { return; }
  57 static inline int dmi_get_year(int year) { return 0; }
  58 static inline int dmi_name_in_vendors(const char *s) { return 0; }
  59 #define dmi_available 0
  60 static inline int dmi_walk(void (*decode)(const struct dmi_header *))
  61         { return -1; }
  62
  63 #endif
  64
  65 #endif  /* __DMI_H__ */