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