Line data Source code
1 : /* SPDX-License-Identifier: GPL-2.0 */
2 : #ifndef __DMI_H__
3 : #define __DMI_H__
4 :
5 : #include <linux/list.h>
6 : #include <linux/kobject.h>
7 : #include <linux/mod_devicetable.h>
8 :
9 : /* enum dmi_field is in mod_devicetable.h */
10 :
11 : enum dmi_device_type {
12 : DMI_DEV_TYPE_ANY = 0,
13 : DMI_DEV_TYPE_OTHER,
14 : DMI_DEV_TYPE_UNKNOWN,
15 : DMI_DEV_TYPE_VIDEO,
16 : DMI_DEV_TYPE_SCSI,
17 : DMI_DEV_TYPE_ETHERNET,
18 : DMI_DEV_TYPE_TOKENRING,
19 : DMI_DEV_TYPE_SOUND,
20 : DMI_DEV_TYPE_PATA,
21 : DMI_DEV_TYPE_SATA,
22 : DMI_DEV_TYPE_SAS,
23 : DMI_DEV_TYPE_IPMI = -1,
24 : DMI_DEV_TYPE_OEM_STRING = -2,
25 : DMI_DEV_TYPE_DEV_ONBOARD = -3,
26 : DMI_DEV_TYPE_DEV_SLOT = -4,
27 : };
28 :
29 : enum dmi_entry_type {
30 : DMI_ENTRY_BIOS = 0,
31 : DMI_ENTRY_SYSTEM,
32 : DMI_ENTRY_BASEBOARD,
33 : DMI_ENTRY_CHASSIS,
34 : DMI_ENTRY_PROCESSOR,
35 : DMI_ENTRY_MEM_CONTROLLER,
36 : DMI_ENTRY_MEM_MODULE,
37 : DMI_ENTRY_CACHE,
38 : DMI_ENTRY_PORT_CONNECTOR,
39 : DMI_ENTRY_SYSTEM_SLOT,
40 : DMI_ENTRY_ONBOARD_DEVICE,
41 : DMI_ENTRY_OEMSTRINGS,
42 : DMI_ENTRY_SYSCONF,
43 : DMI_ENTRY_BIOS_LANG,
44 : DMI_ENTRY_GROUP_ASSOC,
45 : DMI_ENTRY_SYSTEM_EVENT_LOG,
46 : DMI_ENTRY_PHYS_MEM_ARRAY,
47 : DMI_ENTRY_MEM_DEVICE,
48 : DMI_ENTRY_32_MEM_ERROR,
49 : DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
50 : DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
51 : DMI_ENTRY_BUILTIN_POINTING_DEV,
52 : DMI_ENTRY_PORTABLE_BATTERY,
53 : DMI_ENTRY_SYSTEM_RESET,
54 : DMI_ENTRY_HW_SECURITY,
55 : DMI_ENTRY_SYSTEM_POWER_CONTROLS,
56 : DMI_ENTRY_VOLTAGE_PROBE,
57 : DMI_ENTRY_COOLING_DEV,
58 : DMI_ENTRY_TEMP_PROBE,
59 : DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
60 : DMI_ENTRY_OOB_REMOTE_ACCESS,
61 : DMI_ENTRY_BIS_ENTRY,
62 : DMI_ENTRY_SYSTEM_BOOT,
63 : DMI_ENTRY_MGMT_DEV,
64 : DMI_ENTRY_MGMT_DEV_COMPONENT,
65 : DMI_ENTRY_MGMT_DEV_THRES,
66 : DMI_ENTRY_MEM_CHANNEL,
67 : DMI_ENTRY_IPMI_DEV,
68 : DMI_ENTRY_SYS_POWER_SUPPLY,
69 : DMI_ENTRY_ADDITIONAL,
70 : DMI_ENTRY_ONBOARD_DEV_EXT,
71 : DMI_ENTRY_MGMT_CONTROLLER_HOST,
72 : DMI_ENTRY_INACTIVE = 126,
73 : DMI_ENTRY_END_OF_TABLE = 127,
74 : };
75 :
76 : struct dmi_header {
77 : u8 type;
78 : u8 length;
79 : u16 handle;
80 : } __packed;
81 :
82 : struct dmi_device {
83 : struct list_head list;
84 : int type;
85 : const char *name;
86 : void *device_data; /* Type specific data */
87 : };
88 :
89 : #ifdef CONFIG_DMI
90 :
91 : struct dmi_dev_onboard {
92 : struct dmi_device dev;
93 : int instance;
94 : int segment;
95 : int bus;
96 : int devfn;
97 : };
98 :
99 : extern struct kobject *dmi_kobj;
100 : extern int dmi_check_system(const struct dmi_system_id *list);
101 : const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
102 : extern const char * dmi_get_system_info(int field);
103 : extern const struct dmi_device * dmi_find_device(int type, const char *name,
104 : const struct dmi_device *from);
105 : extern void dmi_setup(void);
106 : extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
107 : extern int dmi_get_bios_year(void);
108 : extern int dmi_name_in_vendors(const char *str);
109 : extern int dmi_name_in_serial(const char *str);
110 : extern int dmi_available;
111 : extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
112 : void *private_data);
113 : extern bool dmi_match(enum dmi_field f, const char *str);
114 : extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
115 : extern u64 dmi_memdev_size(u16 handle);
116 : extern u8 dmi_memdev_type(u16 handle);
117 : extern u16 dmi_memdev_handle(int slot);
118 :
119 : #else
120 :
121 1 : static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
122 : static inline const char * dmi_get_system_info(int field) { return NULL; }
123 : static inline const struct dmi_device * dmi_find_device(int type, const char *name,
124 : const struct dmi_device *from) { return NULL; }
125 1 : static inline void dmi_setup(void) { }
126 : static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
127 : {
128 : if (yearp)
129 : *yearp = 0;
130 : if (monthp)
131 : *monthp = 0;
132 : if (dayp)
133 : *dayp = 0;
134 : return false;
135 : }
136 : static inline int dmi_get_bios_year(void) { return -ENXIO; }
137 : static inline int dmi_name_in_vendors(const char *s) { return 0; }
138 : static inline int dmi_name_in_serial(const char *s) { return 0; }
139 : #define dmi_available 0
140 : static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
141 : void *private_data) { return -ENXIO; }
142 1 : static inline bool dmi_match(enum dmi_field f, const char *str)
143 1 : { return false; }
144 : static inline void dmi_memdev_name(u16 handle, const char **bank,
145 : const char **device) { }
146 : static inline u64 dmi_memdev_size(u16 handle) { return ~0ul; }
147 : static inline u8 dmi_memdev_type(u16 handle) { return 0x0; }
148 : static inline u16 dmi_memdev_handle(int slot) { return 0xffff; }
149 : static inline const struct dmi_system_id *
150 : dmi_first_match(const struct dmi_system_id *list) { return NULL; }
151 :
152 : #endif
153 :
154 : #endif /* __DMI_H__ */
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