xref: /linux-6.15/include/linux/dmi.h (revision 8802f616)
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_BOARD_VENDOR,
16 	DMI_BOARD_NAME,
17 	DMI_BOARD_VERSION,
18 	DMI_STRING_MAX,
19 };
20 
21 enum dmi_device_type {
22 	DMI_DEV_TYPE_ANY = 0,
23 	DMI_DEV_TYPE_OTHER,
24 	DMI_DEV_TYPE_UNKNOWN,
25 	DMI_DEV_TYPE_VIDEO,
26 	DMI_DEV_TYPE_SCSI,
27 	DMI_DEV_TYPE_ETHERNET,
28 	DMI_DEV_TYPE_TOKENRING,
29 	DMI_DEV_TYPE_SOUND,
30 	DMI_DEV_TYPE_IPMI = -1
31 };
32 
33 struct dmi_header {
34 	u8 type;
35 	u8 length;
36 	u16 handle;
37 };
38 
39 /*
40  *	DMI callbacks for problem boards
41  */
42 struct dmi_strmatch {
43 	u8 slot;
44 	char *substr;
45 };
46 
47 struct dmi_system_id {
48 	int (*callback)(struct dmi_system_id *);
49 	const char *ident;
50 	struct dmi_strmatch matches[4];
51 	void *driver_data;
52 };
53 
54 #define DMI_MATCH(a, b)	{ a, b }
55 
56 struct dmi_device {
57 	struct list_head list;
58 	int type;
59 	const char *name;
60 	void *device_data;	/* Type specific data */
61 };
62 
63 #ifdef CONFIG_DMI
64 
65 extern int dmi_check_system(struct dmi_system_id *list);
66 extern char * dmi_get_system_info(int field);
67 extern struct dmi_device * dmi_find_device(int type, const char *name,
68 	struct dmi_device *from);
69 extern void dmi_scan_machine(void);
70 extern int dmi_get_year(int field);
71 
72 #else
73 
74 static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
75 static inline char * dmi_get_system_info(int field) { return NULL; }
76 static inline struct dmi_device * dmi_find_device(int type, const char *name,
77 	struct dmi_device *from) { return NULL; }
78 static inline int dmi_get_year(int year) { return 0; }
79 
80 #endif
81 
82 #endif	/* __DMI_H__ */
83