1 #ifndef __DMI_H__
2 #define __DMI_H__
3
4 #include <linux/list.h>
5 #include <linux/kobject.h>
6 #include <linux/mod_devicetable.h>
7
8 /* enum dmi_field is in mod_devicetable.h */
9
10 enum dmi_device_type {
11 DMI_DEV_TYPE_ANY = 0,
12 DMI_DEV_TYPE_OTHER,
13 DMI_DEV_TYPE_UNKNOWN,
14 DMI_DEV_TYPE_VIDEO,
15 DMI_DEV_TYPE_SCSI,
16 DMI_DEV_TYPE_ETHERNET,
17 DMI_DEV_TYPE_TOKENRING,
18 DMI_DEV_TYPE_SOUND,
19 DMI_DEV_TYPE_PATA,
20 DMI_DEV_TYPE_SATA,
21 DMI_DEV_TYPE_SAS,
22 DMI_DEV_TYPE_IPMI = -1,
23 DMI_DEV_TYPE_OEM_STRING = -2,
24 DMI_DEV_TYPE_DEV_ONBOARD = -3,
25 };
26
27 enum dmi_entry_type {
28 DMI_ENTRY_BIOS = 0,
29 DMI_ENTRY_SYSTEM,
30 DMI_ENTRY_BASEBOARD,
31 DMI_ENTRY_CHASSIS,
32 DMI_ENTRY_PROCESSOR,
33 DMI_ENTRY_MEM_CONTROLLER,
34 DMI_ENTRY_MEM_MODULE,
35 DMI_ENTRY_CACHE,
36 DMI_ENTRY_PORT_CONNECTOR,
37 DMI_ENTRY_SYSTEM_SLOT,
38 DMI_ENTRY_ONBOARD_DEVICE,
39 DMI_ENTRY_OEMSTRINGS,
40 DMI_ENTRY_SYSCONF,
41 DMI_ENTRY_BIOS_LANG,
42 DMI_ENTRY_GROUP_ASSOC,
43 DMI_ENTRY_SYSTEM_EVENT_LOG,
44 DMI_ENTRY_PHYS_MEM_ARRAY,
45 DMI_ENTRY_MEM_DEVICE,
46 DMI_ENTRY_32_MEM_ERROR,
47 DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
48 DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
49 DMI_ENTRY_BUILTIN_POINTING_DEV,
50 DMI_ENTRY_PORTABLE_BATTERY,
51 DMI_ENTRY_SYSTEM_RESET,
52 DMI_ENTRY_HW_SECURITY,
53 DMI_ENTRY_SYSTEM_POWER_CONTROLS,
54 DMI_ENTRY_VOLTAGE_PROBE,
55 DMI_ENTRY_COOLING_DEV,
56 DMI_ENTRY_TEMP_PROBE,
57 DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
58 DMI_ENTRY_OOB_REMOTE_ACCESS,
59 DMI_ENTRY_BIS_ENTRY,
60 DMI_ENTRY_SYSTEM_BOOT,
61 DMI_ENTRY_MGMT_DEV,
62 DMI_ENTRY_MGMT_DEV_COMPONENT,
63 DMI_ENTRY_MGMT_DEV_THRES,
64 DMI_ENTRY_MEM_CHANNEL,
65 DMI_ENTRY_IPMI_DEV,
66 DMI_ENTRY_SYS_POWER_SUPPLY,
67 DMI_ENTRY_ADDITIONAL,
68 DMI_ENTRY_ONBOARD_DEV_EXT,
69 DMI_ENTRY_MGMT_CONTROLLER_HOST,
70 DMI_ENTRY_INACTIVE = 126,
71 DMI_ENTRY_END_OF_TABLE = 127,
72 };
73
74 struct dmi_header {
75 u8 type;
76 u8 length;
77 u16 handle;
78 } __packed;
79
80 struct dmi_device {
81 struct list_head list;
82 int type;
83 const char *name;
84 void *device_data; /* Type specific data */
85 };
86
87 #ifdef CONFIG_DMI
88
89 struct dmi_dev_onboard {
90 struct dmi_device dev;
91 int instance;
92 int segment;
93 int bus;
94 int devfn;
95 };
96
97 extern struct kobject *dmi_kobj;
98 extern int dmi_check_system(const struct dmi_system_id *list);
99 const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
100 extern const char * dmi_get_system_info(int field);
101 extern const struct dmi_device * dmi_find_device(int type, const char *name,
102 const struct dmi_device *from);
103 extern void dmi_scan_machine(void);
104 extern void dmi_memdev_walk(void);
105 extern void dmi_set_dump_stack_arch_desc(void);
106 extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
107 extern int dmi_name_in_vendors(const char *str);
108 extern int dmi_name_in_serial(const char *str);
109 extern int dmi_available;
110 extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
111 void *private_data);
112 extern bool dmi_match(enum dmi_field f, const char *str);
113 extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
114
115 #else
116
dmi_check_system(const struct dmi_system_id * list)117 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
dmi_get_system_info(int field)118 static inline const char * dmi_get_system_info(int field) { return NULL; }
dmi_find_device(int type,const char * name,const struct dmi_device * from)119 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
120 const struct dmi_device *from) { return NULL; }
dmi_scan_machine(void)121 static inline void dmi_scan_machine(void) { return; }
dmi_memdev_walk(void)122 static inline void dmi_memdev_walk(void) { }
dmi_set_dump_stack_arch_desc(void)123 static inline void dmi_set_dump_stack_arch_desc(void) { }
dmi_get_date(int field,int * yearp,int * monthp,int * dayp)124 static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
125 {
126 if (yearp)
127 *yearp = 0;
128 if (monthp)
129 *monthp = 0;
130 if (dayp)
131 *dayp = 0;
132 return false;
133 }
dmi_name_in_vendors(const char * s)134 static inline int dmi_name_in_vendors(const char *s) { return 0; }
dmi_name_in_serial(const char * s)135 static inline int dmi_name_in_serial(const char *s) { return 0; }
136 #define dmi_available 0
dmi_walk(void (* decode)(const struct dmi_header *,void *),void * private_data)137 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
138 void *private_data) { return -1; }
dmi_match(enum dmi_field f,const char * str)139 static inline bool dmi_match(enum dmi_field f, const char *str)
140 { return false; }
dmi_memdev_name(u16 handle,const char ** bank,const char ** device)141 static inline void dmi_memdev_name(u16 handle, const char **bank,
142 const char **device) { }
143 static inline const struct dmi_system_id *
dmi_first_match(const struct dmi_system_id * list)144 dmi_first_match(const struct dmi_system_id *list) { return NULL; }
145
146 #endif
147
148 #endif /* __DMI_H__ */
149