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
9enum 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	DMI_DEV_TYPE_DEV_ONBOARD = -3,
24};
25
26enum dmi_entry_type {
27	DMI_ENTRY_BIOS = 0,
28	DMI_ENTRY_SYSTEM,
29	DMI_ENTRY_BASEBOARD,
30	DMI_ENTRY_CHASSIS,
31	DMI_ENTRY_PROCESSOR,
32	DMI_ENTRY_MEM_CONTROLLER,
33	DMI_ENTRY_MEM_MODULE,
34	DMI_ENTRY_CACHE,
35	DMI_ENTRY_PORT_CONNECTOR,
36	DMI_ENTRY_SYSTEM_SLOT,
37	DMI_ENTRY_ONBOARD_DEVICE,
38	DMI_ENTRY_OEMSTRINGS,
39	DMI_ENTRY_SYSCONF,
40	DMI_ENTRY_BIOS_LANG,
41	DMI_ENTRY_GROUP_ASSOC,
42	DMI_ENTRY_SYSTEM_EVENT_LOG,
43	DMI_ENTRY_PHYS_MEM_ARRAY,
44	DMI_ENTRY_MEM_DEVICE,
45	DMI_ENTRY_32_MEM_ERROR,
46	DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
47	DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
48	DMI_ENTRY_BUILTIN_POINTING_DEV,
49	DMI_ENTRY_PORTABLE_BATTERY,
50	DMI_ENTRY_SYSTEM_RESET,
51	DMI_ENTRY_HW_SECURITY,
52	DMI_ENTRY_SYSTEM_POWER_CONTROLS,
53	DMI_ENTRY_VOLTAGE_PROBE,
54	DMI_ENTRY_COOLING_DEV,
55	DMI_ENTRY_TEMP_PROBE,
56	DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
57	DMI_ENTRY_OOB_REMOTE_ACCESS,
58	DMI_ENTRY_BIS_ENTRY,
59	DMI_ENTRY_SYSTEM_BOOT,
60	DMI_ENTRY_MGMT_DEV,
61	DMI_ENTRY_MGMT_DEV_COMPONENT,
62	DMI_ENTRY_MGMT_DEV_THRES,
63	DMI_ENTRY_MEM_CHANNEL,
64	DMI_ENTRY_IPMI_DEV,
65	DMI_ENTRY_SYS_POWER_SUPPLY,
66	DMI_ENTRY_ADDITIONAL,
67	DMI_ENTRY_ONBOARD_DEV_EXT,
68	DMI_ENTRY_MGMT_CONTROLLER_HOST,
69	DMI_ENTRY_INACTIVE = 126,
70	DMI_ENTRY_END_OF_TABLE = 127,
71};
72
73struct dmi_header {
74	u8 type;
75	u8 length;
76	u16 handle;
77};
78
79struct dmi_device {
80	struct list_head list;
81	int type;
82	const char *name;
83	void *device_data;	/* Type specific data */
84};
85
86#ifdef CONFIG_DMI
87
88struct dmi_dev_onboard {
89	struct dmi_device dev;
90	int instance;
91	int segment;
92	int bus;
93	int devfn;
94};
95
96extern int dmi_check_system(const struct dmi_system_id *list);
97const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
98extern const char * dmi_get_system_info(int field);
99extern const struct dmi_device * dmi_find_device(int type, const char *name,
100	const struct dmi_device *from);
101extern void dmi_scan_machine(void);
102extern void dmi_memdev_walk(void);
103extern void dmi_set_dump_stack_arch_desc(void);
104extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
105extern int dmi_name_in_vendors(const char *str);
106extern int dmi_name_in_serial(const char *str);
107extern int dmi_available;
108extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
109	void *private_data);
110extern bool dmi_match(enum dmi_field f, const char *str);
111extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
112
113#else
114
115static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
116static inline const char * dmi_get_system_info(int field) { return NULL; }
117static inline const struct dmi_device * dmi_find_device(int type, const char *name,
118	const struct dmi_device *from) { return NULL; }
119static inline void dmi_scan_machine(void) { return; }
120static inline void dmi_memdev_walk(void) { }
121static inline void dmi_set_dump_stack_arch_desc(void) { }
122static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
123{
124	if (yearp)
125		*yearp = 0;
126	if (monthp)
127		*monthp = 0;
128	if (dayp)
129		*dayp = 0;
130	return false;
131}
132static inline int dmi_name_in_vendors(const char *s) { return 0; }
133static inline int dmi_name_in_serial(const char *s) { return 0; }
134#define dmi_available 0
135static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
136	void *private_data) { return -1; }
137static inline bool dmi_match(enum dmi_field f, const char *str)
138	{ return false; }
139static inline void dmi_memdev_name(u16 handle, const char **bank,
140		const char **device) { }
141static inline const struct dmi_system_id *
142	dmi_first_match(const struct dmi_system_id *list) { return NULL; }
143
144#endif
145
146#endif	/* __DMI_H__ */
147