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 { |
77 | u8 ; |
78 | u8 ; |
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 | 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 | 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 | static inline bool dmi_match(enum dmi_field f, const char *str) |
143 | { 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__ */ |
155 | |