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         DMI_DEV_TYPE_DEV_ONBOARD = -3,
  24 };
  25
  26 struct dmi_header {
  27         u8 type;
  28         u8 length;
  29         u16 handle;
  30 };
  31
  32 struct dmi_device {
  33         struct list_head list;
  34         int type;
  35         const char *name;
  36         void *device_data;      /* Type specific data */
  37 };
  38
  39 #ifdef CONFIG_DMI
  40
  41 struct dmi_dev_onboard {
  42         struct dmi_device dev;
  43         int instance;
  44         int segment;
  45         int bus;
  46         int devfn;
  47 };
  48
  49 extern int dmi_check_system(const struct dmi_system_id *list);
  50 const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
  51 extern const char * dmi_get_system_info(int field);
  52 extern const struct dmi_device * dmi_find_device(int type, const char *name,
  53         const struct dmi_device *from);
  54 extern void dmi_scan_machine(void);
  55 extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
  56 extern int dmi_name_in_vendors(const char *str);
  57 extern int dmi_name_in_serial(const char *str);
  58 extern int dmi_available;
  59 extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  60         void *private_data);
  61 extern bool dmi_match(enum dmi_field f, const char *str);
  62
  63 #else
  64
  65 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  66 static inline const char * dmi_get_system_info(int field) { return NULL; }
  67 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  68         const struct dmi_device *from) { return NULL; }
  69 static inline void dmi_scan_machine(void) { return; }
  70 static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
  71 {
  72         if (yearp)
  73                 *yearp = 0;
  74         if (monthp)
  75                 *monthp = 0;
  76         if (dayp)
  77                 *dayp = 0;
  78         return false;
  79 }
  80 static inline int dmi_name_in_vendors(const char *s) { return 0; }
  81 static inline int dmi_name_in_serial(const char *s) { return 0; }
  82 #define dmi_available 0
  83 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  84         void *private_data) { return -1; }
  85 static inline bool dmi_match(enum dmi_field f, const char *str)
  86         { return false; }
  87 static inline const struct dmi_system_id *
  88         dmi_first_match(const struct dmi_system_id *list) { return NULL; }
  89
  90 #endif
  91
  92 #endif  /* __DMI_H__ */