xref: /linux-6.15/include/linux/dmi.h (revision d289bf7b)
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_PATA,
39 	DMI_DEV_TYPE_SATA,
40 	DMI_DEV_TYPE_SAS,
41 	DMI_DEV_TYPE_IPMI = -1,
42 	DMI_DEV_TYPE_OEM_STRING = -2,
43 };
44 
45 struct dmi_header {
46 	u8 type;
47 	u8 length;
48 	u16 handle;
49 };
50 
51 /*
52  *	DMI callbacks for problem boards
53  */
54 struct dmi_strmatch {
55 	u8 slot;
56 	char *substr;
57 };
58 
59 struct dmi_system_id {
60 	int (*callback)(const struct dmi_system_id *);
61 	const char *ident;
62 	struct dmi_strmatch matches[4];
63 	void *driver_data;
64 };
65 
66 #define DMI_MATCH(a, b)	{ a, b }
67 
68 struct dmi_device {
69 	struct list_head list;
70 	int type;
71 	const char *name;
72 	void *device_data;	/* Type specific data */
73 };
74 
75 #ifdef CONFIG_DMI
76 
77 extern int dmi_check_system(const struct dmi_system_id *list);
78 extern const char * dmi_get_system_info(int field);
79 extern const struct dmi_device * dmi_find_device(int type, const char *name,
80 	const struct dmi_device *from);
81 extern void dmi_scan_machine(void);
82 extern int dmi_get_year(int field);
83 extern int dmi_name_in_vendors(const char *str);
84 extern int dmi_available;
85 extern int dmi_walk(void (*decode)(const struct dmi_header *));
86 
87 #else
88 
89 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
90 static inline const char * dmi_get_system_info(int field) { return NULL; }
91 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
92 	const struct dmi_device *from) { return NULL; }
93 static inline int dmi_get_year(int year) { return 0; }
94 static inline int dmi_name_in_vendors(const char *s) { return 0; }
95 #define dmi_available 0
96 static inline int dmi_walk(void (*decode)(const struct dmi_header *))
97 	{ return -1; }
98 
99 #endif
100 
101 #endif	/* __DMI_H__ */
102