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);
  41const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
  42extern const char * dmi_get_system_info(int field);
  43extern const struct dmi_device * dmi_find_device(int type, const char *name,
  44        const struct dmi_device *from);
  45extern void dmi_scan_machine(void);
  46extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
  47extern int dmi_name_in_vendors(const char *str);
  48extern int dmi_name_in_serial(const char *str);
  49extern int dmi_available;
  50extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  51        void *private_data);
  52extern bool dmi_match(enum dmi_field f, const char *str);
  53
  54#else
  55
  56static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  57static inline const char * dmi_get_system_info(int field) { return NULL; }
  58static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  59        const struct dmi_device *from) { return NULL; }
  60static inline void dmi_scan_machine(void) { return; }
  61static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
  62{
  63        if (yearp)
  64                *yearp = 0;
  65        if (monthp)
  66                *monthp = 0;
  67        if (dayp)
  68                *dayp = 0;
  69        return false;
  70}
  71static inline int dmi_name_in_vendors(const char *s) { return 0; }
  72static inline int dmi_name_in_serial(const char *s) { return 0; }
  73#define dmi_available 0
  74static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  75        void *private_data) { return -1; }
  76static inline bool dmi_match(enum dmi_field f, const char *str)
  77        { return false; }
  78static inline const struct dmi_system_id *
  79        dmi_first_match(const struct dmi_system_id *list) { return NULL; }
  80
  81#endif
  82
  83#endif  /* __DMI_H__ */
  84