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
9 enum 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
26 enum 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
73 struct dmi_header {
74 u8 type;
75 u8 length;
76 u16 handle;
77 };
78
79 struct 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
88 struct dmi_dev_onboard {
89 struct dmi_device dev;
90 int instance;
91 int segment;
92 int bus;
93 int devfn;
94 };
95
96 extern int dmi_check_system(const struct dmi_system_id *list);
97 const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
98 extern const char * dmi_get_system_info(int field);
99 extern const struct dmi_device * dmi_find_device(int type, const char *name,
100 const struct dmi_device *from);
101 extern void dmi_scan_machine(void);
102 extern void dmi_memdev_walk(void);
103 extern void dmi_set_dump_stack_arch_desc(void);
104 extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
105 extern int dmi_name_in_vendors(const char *str);
106 extern int dmi_name_in_serial(const char *str);
107 extern int dmi_available;
108 extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
109 void *private_data);
110 extern bool dmi_match(enum dmi_field f, const char *str);
111 extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
112
113 #else
114
dmi_check_system(const struct dmi_system_id * list)115 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
dmi_get_system_info(int field)116 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)117 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
118 const struct dmi_device *from) { return NULL; }
dmi_scan_machine(void)119 static inline void dmi_scan_machine(void) { return; }
dmi_memdev_walk(void)120 static inline void dmi_memdev_walk(void) { }
dmi_set_dump_stack_arch_desc(void)121 static inline void dmi_set_dump_stack_arch_desc(void) { }
dmi_get_date(int field,int * yearp,int * monthp,int * dayp)122 static 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 }
dmi_name_in_vendors(const char * s)132 static inline int dmi_name_in_vendors(const char *s) { return 0; }
dmi_name_in_serial(const char * s)133 static inline int dmi_name_in_serial(const char *s) { return 0; }
134 #define dmi_available 0
dmi_walk(void (* decode)(const struct dmi_header *,void *),void * private_data)135 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
136 void *private_data) { return -1; }
dmi_match(enum dmi_field f,const char * str)137 static inline bool dmi_match(enum dmi_field f, const char *str)
138 { return false; }
dmi_memdev_name(u16 handle,const char ** bank,const char ** device)139 static inline void dmi_memdev_name(u16 handle, const char **bank,
140 const char **device) { }
141 static inline const struct dmi_system_id *
dmi_first_match(const struct dmi_system_id * list)142 dmi_first_match(const struct dmi_system_id *list) { return NULL; }
143
144 #endif
145
146 #endif /* __DMI_H__ */
147