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  1. #ifndef __DMI_H__
  2. #define __DMI_H__
  3.  
  4. #include <linux/list.h>
  5. #include <linux/kobject.h>
  6. #include <linux/mod_devicetable.h>
  7.  
  8. /* enum dmi_field is in mod_devicetable.h */
  9.  
  10. enum dmi_device_type {
  11.         DMI_DEV_TYPE_ANY = 0,
  12.         DMI_DEV_TYPE_OTHER,
  13.         DMI_DEV_TYPE_UNKNOWN,
  14.         DMI_DEV_TYPE_VIDEO,
  15.         DMI_DEV_TYPE_SCSI,
  16.         DMI_DEV_TYPE_ETHERNET,
  17.         DMI_DEV_TYPE_TOKENRING,
  18.         DMI_DEV_TYPE_SOUND,
  19.         DMI_DEV_TYPE_PATA,
  20.         DMI_DEV_TYPE_SATA,
  21.         DMI_DEV_TYPE_SAS,
  22.         DMI_DEV_TYPE_IPMI = -1,
  23.         DMI_DEV_TYPE_OEM_STRING = -2,
  24.         DMI_DEV_TYPE_DEV_ONBOARD = -3,
  25.         DMI_DEV_TYPE_DEV_SLOT = -4,
  26. };
  27.  
  28. enum dmi_entry_type {
  29.         DMI_ENTRY_BIOS = 0,
  30.         DMI_ENTRY_SYSTEM,
  31.         DMI_ENTRY_BASEBOARD,
  32.         DMI_ENTRY_CHASSIS,
  33.         DMI_ENTRY_PROCESSOR,
  34.         DMI_ENTRY_MEM_CONTROLLER,
  35.         DMI_ENTRY_MEM_MODULE,
  36.         DMI_ENTRY_CACHE,
  37.         DMI_ENTRY_PORT_CONNECTOR,
  38.         DMI_ENTRY_SYSTEM_SLOT,
  39.         DMI_ENTRY_ONBOARD_DEVICE,
  40.         DMI_ENTRY_OEMSTRINGS,
  41.         DMI_ENTRY_SYSCONF,
  42.         DMI_ENTRY_BIOS_LANG,
  43.         DMI_ENTRY_GROUP_ASSOC,
  44.         DMI_ENTRY_SYSTEM_EVENT_LOG,
  45.         DMI_ENTRY_PHYS_MEM_ARRAY,
  46.         DMI_ENTRY_MEM_DEVICE,
  47.         DMI_ENTRY_32_MEM_ERROR,
  48.         DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
  49.         DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
  50.         DMI_ENTRY_BUILTIN_POINTING_DEV,
  51.         DMI_ENTRY_PORTABLE_BATTERY,
  52.         DMI_ENTRY_SYSTEM_RESET,
  53.         DMI_ENTRY_HW_SECURITY,
  54.         DMI_ENTRY_SYSTEM_POWER_CONTROLS,
  55.         DMI_ENTRY_VOLTAGE_PROBE,
  56.         DMI_ENTRY_COOLING_DEV,
  57.         DMI_ENTRY_TEMP_PROBE,
  58.         DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
  59.         DMI_ENTRY_OOB_REMOTE_ACCESS,
  60.         DMI_ENTRY_BIS_ENTRY,
  61.         DMI_ENTRY_SYSTEM_BOOT,
  62.         DMI_ENTRY_MGMT_DEV,
  63.         DMI_ENTRY_MGMT_DEV_COMPONENT,
  64.         DMI_ENTRY_MGMT_DEV_THRES,
  65.         DMI_ENTRY_MEM_CHANNEL,
  66.         DMI_ENTRY_IPMI_DEV,
  67.         DMI_ENTRY_SYS_POWER_SUPPLY,
  68.         DMI_ENTRY_ADDITIONAL,
  69.         DMI_ENTRY_ONBOARD_DEV_EXT,
  70.         DMI_ENTRY_MGMT_CONTROLLER_HOST,
  71.         DMI_ENTRY_INACTIVE = 126,
  72.         DMI_ENTRY_END_OF_TABLE = 127,
  73. };
  74.  
  75. struct dmi_header {
  76.         u8 type;
  77.         u8 length;
  78.         u16 handle;
  79. } __packed;
  80.  
  81. struct dmi_device {
  82.         struct list_head list;
  83.         int type;
  84.         const char *name;
  85.         void *device_data;      /* Type specific data */
  86. };
  87.  
  88. #ifdef CONFIG_DMI
  89.  
  90. struct dmi_dev_onboard {
  91.         struct dmi_device dev;
  92.         int instance;
  93.         int segment;
  94.         int bus;
  95.         int devfn;
  96. };
  97.  
  98. extern struct kobject *dmi_kobj;
  99. extern int dmi_check_system(const struct dmi_system_id *list);
  100. const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
  101. extern const char * dmi_get_system_info(int field);
  102. extern const struct dmi_device * dmi_find_device(int type, const char *name,
  103.         const struct dmi_device *from);
  104. extern void dmi_scan_machine(void);
  105. extern void dmi_memdev_walk(void);
  106. extern void dmi_set_dump_stack_arch_desc(void);
  107. extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
  108. extern int dmi_name_in_vendors(const char *str);
  109. extern int dmi_name_in_serial(const char *str);
  110. extern int dmi_available;
  111. extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  112.         void *private_data);
  113. extern bool dmi_match(enum dmi_field f, const char *str);
  114. extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
  115.  
  116. #else
  117.  
  118. static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
  119. static inline const char * dmi_get_system_info(int field) { return NULL; }
  120. static inline const struct dmi_device * dmi_find_device(int type, const char *name,
  121.         const struct dmi_device *from) { return NULL; }
  122. static inline void dmi_scan_machine(void) { return; }
  123. static inline void dmi_memdev_walk(void) { }
  124. static inline void dmi_set_dump_stack_arch_desc(void) { }
  125. static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
  126. {
  127.         if (yearp)
  128.                 *yearp = 0;
  129.         if (monthp)
  130.                 *monthp = 0;
  131.         if (dayp)
  132.                 *dayp = 0;
  133.         return false;
  134. }
  135. static inline int dmi_name_in_vendors(const char *s) { return 0; }
  136. static inline int dmi_name_in_serial(const char *s) { return 0; }
  137. #define dmi_available 0
  138. static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
  139.         void *private_data) { return -1; }
  140. static inline bool dmi_match(enum dmi_field f, const char *str)
  141.         { return false; }
  142. static inline void dmi_memdev_name(u16 handle, const char **bank,
  143.                 const char **device) { }
  144. static inline const struct dmi_system_id *
  145.         dmi_first_match(const struct dmi_system_id *list) { return NULL; }
  146.  
  147. #endif
  148.  
  149. #endif  /* __DMI_H__ */
  150.