dmi.h

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#ifndef __DMI_H__
#define __DMI_H__

#include <linux/list.h>
#include <linux/mod_devicetable.h>

/* enum dmi_field is in mod_devicetable.h */

enum dmi_device_type {
    DMI_DEV_TYPE_ANY = 0,
    DMI_DEV_TYPE_OTHER,
    DMI_DEV_TYPE_UNKNOWN,
    DMI_DEV_TYPE_VIDEO,
    DMI_DEV_TYPE_SCSI,
    DMI_DEV_TYPE_ETHERNET,
    DMI_DEV_TYPE_TOKENRING,
    DMI_DEV_TYPE_SOUND,
    DMI_DEV_TYPE_PATA,
    DMI_DEV_TYPE_SATA,
    DMI_DEV_TYPE_SAS,
    DMI_DEV_TYPE_IPMI = -1,
    DMI_DEV_TYPE_OEM_STRING = -2,
    DMI_DEV_TYPE_DEV_ONBOARD = -3,
};

enum dmi_entry_type {
    DMI_ENTRY_BIOS = 0,
    DMI_ENTRY_SYSTEM,
    DMI_ENTRY_BASEBOARD,
    DMI_ENTRY_CHASSIS,
    DMI_ENTRY_PROCESSOR,
    DMI_ENTRY_MEM_CONTROLLER,
    DMI_ENTRY_MEM_MODULE,
    DMI_ENTRY_CACHE,
    DMI_ENTRY_PORT_CONNECTOR,
    DMI_ENTRY_SYSTEM_SLOT,
    DMI_ENTRY_ONBOARD_DEVICE,
    DMI_ENTRY_OEMSTRINGS,
    DMI_ENTRY_SYSCONF,
    DMI_ENTRY_BIOS_LANG,
    DMI_ENTRY_GROUP_ASSOC,
    DMI_ENTRY_SYSTEM_EVENT_LOG,
    DMI_ENTRY_PHYS_MEM_ARRAY,
    DMI_ENTRY_MEM_DEVICE,
    DMI_ENTRY_32_MEM_ERROR,
    DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
    DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
    DMI_ENTRY_BUILTIN_POINTING_DEV,
    DMI_ENTRY_PORTABLE_BATTERY,
    DMI_ENTRY_SYSTEM_RESET,
    DMI_ENTRY_HW_SECURITY,
    DMI_ENTRY_SYSTEM_POWER_CONTROLS,
    DMI_ENTRY_VOLTAGE_PROBE,
    DMI_ENTRY_COOLING_DEV,
    DMI_ENTRY_TEMP_PROBE,
    DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
    DMI_ENTRY_OOB_REMOTE_ACCESS,
    DMI_ENTRY_BIS_ENTRY,
    DMI_ENTRY_SYSTEM_BOOT,
    DMI_ENTRY_MGMT_DEV,
    DMI_ENTRY_MGMT_DEV_COMPONENT,
    DMI_ENTRY_MGMT_DEV_THRES,
    DMI_ENTRY_MEM_CHANNEL,
    DMI_ENTRY_IPMI_DEV,
    DMI_ENTRY_SYS_POWER_SUPPLY,
    DMI_ENTRY_ADDITIONAL,
    DMI_ENTRY_ONBOARD_DEV_EXT,
    DMI_ENTRY_MGMT_CONTROLLER_HOST,
    DMI_ENTRY_INACTIVE = 126,
    DMI_ENTRY_END_OF_TABLE = 127,
};

struct dmi_header {
    u8 type;
    u8 length;
    u16 handle;
};

struct dmi_device {
    struct list_head list;
    int type;
    const char *name;
    void *device_data;  /* Type specific data */
};

#ifdef CONFIG_DMI

struct dmi_dev_onboard {
    struct dmi_device dev;
    int instance;
    int segment;
    int bus;
    int devfn;
};

extern int dmi_check_system(const struct dmi_system_id *list);
const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
extern const char * dmi_get_system_info(int field);
extern const struct dmi_device * dmi_find_device(int type, const char *name,
    const struct dmi_device *from);
extern void dmi_scan_machine(void);
extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
extern int dmi_name_in_vendors(const char *str);
extern int dmi_name_in_serial(const char *str);
extern int dmi_available;
extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
    void *private_data);
extern bool dmi_match(enum dmi_field f, const char *str);

#else

static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
static inline const char * dmi_get_system_info(int field) { return NULL; }
static inline const struct dmi_device * dmi_find_device(int type, const char *name,
    const struct dmi_device *from) { return NULL; }
static inline void dmi_scan_machine(void) { return; }
static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
{
    if (yearp)
        *yearp = 0;
    if (monthp)
        *monthp = 0;
    if (dayp)
        *dayp = 0;
    return false;
}
static inline int dmi_name_in_vendors(const char *s) { return 0; }
static inline int dmi_name_in_serial(const char *s) { return 0; }
#define dmi_available 0
static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
    void *private_data) { return -1; }
static inline bool dmi_match(enum dmi_field f, const char *str)
    { return false; }
static inline const struct dmi_system_id *
    dmi_first_match(const struct dmi_system_id *list) { return NULL; }

#endif

#endif  /* __DMI_H__ */