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 }; 24 25 struct dmi_header { 26 u8 type; 27 u8 length; 28 u16 handle; 29 }; 30 31 struct 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 40 extern int dmi_check_system(const struct dmi_system_id *list); 41 const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list); 42 extern const char * dmi_get_system_info(int field); 43 extern const struct dmi_device * dmi_find_device(int type, const char *name, 44 const struct dmi_device *from); 45 extern void dmi_scan_machine(void); 46 extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); 47 extern int dmi_name_in_vendors(const char *str); 48 extern int dmi_name_in_serial(const char *str); 49 extern int dmi_available; 50 extern int dmi_walk(void (*decode)(const struct dmi_header *, void *), 51 void *private_data); 52 extern bool dmi_match(enum dmi_field f, const char *str); 53 54 #else 55 56 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; } 57 static inline const char * dmi_get_system_info(int field) { return NULL; } 58 static inline const struct dmi_device * dmi_find_device(int type, const char *name, 59 const struct dmi_device *from) { return NULL; } 60 static inline void dmi_scan_machine(void) { return; } 61 static 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 } 71 static inline int dmi_name_in_vendors(const char *s) { return 0; } 72 static inline int dmi_name_in_serial(const char *s) { return 0; } 73 #define dmi_available 0 74 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), 75 void *private_data) { return -1; } 76 static inline bool dmi_match(enum dmi_field f, const char *str) 77 { return false; } 78 static 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