xref: /linux-6.15/include/linux/dmi.h (revision aeb3f462)
1 #ifndef __DMI_H__
2 #define __DMI_H__
3 
4 #include <linux/list.h>
5 
6 enum dmi_field {
7 	DMI_NONE,
8 	DMI_BIOS_VENDOR,
9 	DMI_BIOS_VERSION,
10 	DMI_BIOS_DATE,
11 	DMI_SYS_VENDOR,
12 	DMI_PRODUCT_NAME,
13 	DMI_PRODUCT_VERSION,
14 	DMI_PRODUCT_SERIAL,
15 	DMI_PRODUCT_UUID,
16 	DMI_BOARD_VENDOR,
17 	DMI_BOARD_NAME,
18 	DMI_BOARD_VERSION,
19 	DMI_BOARD_SERIAL,
20 	DMI_BOARD_ASSET_TAG,
21 	DMI_CHASSIS_VENDOR,
22 	DMI_CHASSIS_TYPE,
23 	DMI_CHASSIS_VERSION,
24 	DMI_CHASSIS_SERIAL,
25 	DMI_CHASSIS_ASSET_TAG,
26 	DMI_STRING_MAX,
27 };
28 
29 enum dmi_device_type {
30 	DMI_DEV_TYPE_ANY = 0,
31 	DMI_DEV_TYPE_OTHER,
32 	DMI_DEV_TYPE_UNKNOWN,
33 	DMI_DEV_TYPE_VIDEO,
34 	DMI_DEV_TYPE_SCSI,
35 	DMI_DEV_TYPE_ETHERNET,
36 	DMI_DEV_TYPE_TOKENRING,
37 	DMI_DEV_TYPE_SOUND,
38 	DMI_DEV_TYPE_IPMI = -1,
39 	DMI_DEV_TYPE_OEM_STRING = -2
40 };
41 
42 struct dmi_header {
43 	u8 type;
44 	u8 length;
45 	u16 handle;
46 };
47 
48 /*
49  *	DMI callbacks for problem boards
50  */
51 struct dmi_strmatch {
52 	u8 slot;
53 	char *substr;
54 };
55 
56 struct dmi_system_id {
57 	int (*callback)(struct dmi_system_id *);
58 	const char *ident;
59 	struct dmi_strmatch matches[4];
60 	void *driver_data;
61 };
62 
63 #define DMI_MATCH(a, b)	{ a, b }
64 
65 struct dmi_device {
66 	struct list_head list;
67 	int type;
68 	const char *name;
69 	void *device_data;	/* Type specific data */
70 };
71 
72 #ifdef CONFIG_DMI
73 
74 extern int dmi_check_system(struct dmi_system_id *list);
75 extern char * dmi_get_system_info(int field);
76 extern struct dmi_device * dmi_find_device(int type, const char *name,
77 	struct dmi_device *from);
78 extern void dmi_scan_machine(void);
79 extern int dmi_get_year(int field);
80 extern int dmi_name_in_vendors(char *str);
81 
82 #else
83 
84 static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
85 static inline char * dmi_get_system_info(int field) { return NULL; }
86 static inline struct dmi_device * dmi_find_device(int type, const char *name,
87 	struct dmi_device *from) { return NULL; }
88 static inline int dmi_get_year(int year) { return 0; }
89 static inline int dmi_name_in_vendors(char *s) { return 0; }
90 
91 #endif
92 
93 #endif	/* __DMI_H__ */
94