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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_scan_machine(void); | |
106 | extern void dmi_memdev_walk(void); | |
107 | extern void dmi_set_dump_stack_arch_desc(void); | |
108 | extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); | |
109 | extern int dmi_name_in_vendors(const char *str); | |
110 | extern int dmi_name_in_serial(const char *str); | |
111 | extern int dmi_available; | |
112 | extern int dmi_walk(void (*decode)(const struct dmi_header *, void *), | |
113 | void *private_data); | |
114 | extern bool dmi_match(enum dmi_field f, const char *str); | |
115 | extern void dmi_memdev_name(u16 handle, const char **bank, const char **device); | |
116 | ||
117 | #else | |
118 | ||
119 | static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; } | |
120 | static inline const char * dmi_get_system_info(int field) { return NULL; } | |
121 | static inline const struct dmi_device * dmi_find_device(int type, const char *name, | |
122 | const struct dmi_device *from) { return NULL; } | |
123 | static inline void dmi_scan_machine(void) { return; } | |
124 | static inline void dmi_memdev_walk(void) { } | |
125 | static inline void dmi_set_dump_stack_arch_desc(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_name_in_vendors(const char *s) { return 0; } | |
137 | static inline int dmi_name_in_serial(const char *s) { return 0; } | |
138 | #define dmi_available 0 | |
139 | static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), | |
140 | void *private_data) { return -ENXIO; } | |
141 | static inline bool dmi_match(enum dmi_field f, const char *str) | |
142 | { return false; } | |
143 | static inline void dmi_memdev_name(u16 handle, const char **bank, | |
144 | const char **device) { } | |
145 | static inline const struct dmi_system_id * | |
146 | dmi_first_match(const struct dmi_system_id *list) { return NULL; } | |
147 | ||
148 | #endif | |
149 | ||
150 | #endif /* __DMI_H__ */ |