1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __DMI_H__
3*4882a593Smuzhiyun #define __DMI_H__
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/list.h>
6*4882a593Smuzhiyun #include <linux/kobject.h>
7*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun /* enum dmi_field is in mod_devicetable.h */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun enum dmi_device_type {
12*4882a593Smuzhiyun DMI_DEV_TYPE_ANY = 0,
13*4882a593Smuzhiyun DMI_DEV_TYPE_OTHER,
14*4882a593Smuzhiyun DMI_DEV_TYPE_UNKNOWN,
15*4882a593Smuzhiyun DMI_DEV_TYPE_VIDEO,
16*4882a593Smuzhiyun DMI_DEV_TYPE_SCSI,
17*4882a593Smuzhiyun DMI_DEV_TYPE_ETHERNET,
18*4882a593Smuzhiyun DMI_DEV_TYPE_TOKENRING,
19*4882a593Smuzhiyun DMI_DEV_TYPE_SOUND,
20*4882a593Smuzhiyun DMI_DEV_TYPE_PATA,
21*4882a593Smuzhiyun DMI_DEV_TYPE_SATA,
22*4882a593Smuzhiyun DMI_DEV_TYPE_SAS,
23*4882a593Smuzhiyun DMI_DEV_TYPE_IPMI = -1,
24*4882a593Smuzhiyun DMI_DEV_TYPE_OEM_STRING = -2,
25*4882a593Smuzhiyun DMI_DEV_TYPE_DEV_ONBOARD = -3,
26*4882a593Smuzhiyun DMI_DEV_TYPE_DEV_SLOT = -4,
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun enum dmi_entry_type {
30*4882a593Smuzhiyun DMI_ENTRY_BIOS = 0,
31*4882a593Smuzhiyun DMI_ENTRY_SYSTEM,
32*4882a593Smuzhiyun DMI_ENTRY_BASEBOARD,
33*4882a593Smuzhiyun DMI_ENTRY_CHASSIS,
34*4882a593Smuzhiyun DMI_ENTRY_PROCESSOR,
35*4882a593Smuzhiyun DMI_ENTRY_MEM_CONTROLLER,
36*4882a593Smuzhiyun DMI_ENTRY_MEM_MODULE,
37*4882a593Smuzhiyun DMI_ENTRY_CACHE,
38*4882a593Smuzhiyun DMI_ENTRY_PORT_CONNECTOR,
39*4882a593Smuzhiyun DMI_ENTRY_SYSTEM_SLOT,
40*4882a593Smuzhiyun DMI_ENTRY_ONBOARD_DEVICE,
41*4882a593Smuzhiyun DMI_ENTRY_OEMSTRINGS,
42*4882a593Smuzhiyun DMI_ENTRY_SYSCONF,
43*4882a593Smuzhiyun DMI_ENTRY_BIOS_LANG,
44*4882a593Smuzhiyun DMI_ENTRY_GROUP_ASSOC,
45*4882a593Smuzhiyun DMI_ENTRY_SYSTEM_EVENT_LOG,
46*4882a593Smuzhiyun DMI_ENTRY_PHYS_MEM_ARRAY,
47*4882a593Smuzhiyun DMI_ENTRY_MEM_DEVICE,
48*4882a593Smuzhiyun DMI_ENTRY_32_MEM_ERROR,
49*4882a593Smuzhiyun DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR,
50*4882a593Smuzhiyun DMI_ENTRY_MEM_DEV_MAPPED_ADDR,
51*4882a593Smuzhiyun DMI_ENTRY_BUILTIN_POINTING_DEV,
52*4882a593Smuzhiyun DMI_ENTRY_PORTABLE_BATTERY,
53*4882a593Smuzhiyun DMI_ENTRY_SYSTEM_RESET,
54*4882a593Smuzhiyun DMI_ENTRY_HW_SECURITY,
55*4882a593Smuzhiyun DMI_ENTRY_SYSTEM_POWER_CONTROLS,
56*4882a593Smuzhiyun DMI_ENTRY_VOLTAGE_PROBE,
57*4882a593Smuzhiyun DMI_ENTRY_COOLING_DEV,
58*4882a593Smuzhiyun DMI_ENTRY_TEMP_PROBE,
59*4882a593Smuzhiyun DMI_ENTRY_ELECTRICAL_CURRENT_PROBE,
60*4882a593Smuzhiyun DMI_ENTRY_OOB_REMOTE_ACCESS,
61*4882a593Smuzhiyun DMI_ENTRY_BIS_ENTRY,
62*4882a593Smuzhiyun DMI_ENTRY_SYSTEM_BOOT,
63*4882a593Smuzhiyun DMI_ENTRY_MGMT_DEV,
64*4882a593Smuzhiyun DMI_ENTRY_MGMT_DEV_COMPONENT,
65*4882a593Smuzhiyun DMI_ENTRY_MGMT_DEV_THRES,
66*4882a593Smuzhiyun DMI_ENTRY_MEM_CHANNEL,
67*4882a593Smuzhiyun DMI_ENTRY_IPMI_DEV,
68*4882a593Smuzhiyun DMI_ENTRY_SYS_POWER_SUPPLY,
69*4882a593Smuzhiyun DMI_ENTRY_ADDITIONAL,
70*4882a593Smuzhiyun DMI_ENTRY_ONBOARD_DEV_EXT,
71*4882a593Smuzhiyun DMI_ENTRY_MGMT_CONTROLLER_HOST,
72*4882a593Smuzhiyun DMI_ENTRY_INACTIVE = 126,
73*4882a593Smuzhiyun DMI_ENTRY_END_OF_TABLE = 127,
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun struct dmi_header {
77*4882a593Smuzhiyun u8 type;
78*4882a593Smuzhiyun u8 length;
79*4882a593Smuzhiyun u16 handle;
80*4882a593Smuzhiyun } __packed;
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun struct dmi_device {
83*4882a593Smuzhiyun struct list_head list;
84*4882a593Smuzhiyun int type;
85*4882a593Smuzhiyun const char *name;
86*4882a593Smuzhiyun void *device_data; /* Type specific data */
87*4882a593Smuzhiyun };
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun #ifdef CONFIG_DMI
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun struct dmi_dev_onboard {
92*4882a593Smuzhiyun struct dmi_device dev;
93*4882a593Smuzhiyun int instance;
94*4882a593Smuzhiyun int segment;
95*4882a593Smuzhiyun int bus;
96*4882a593Smuzhiyun int devfn;
97*4882a593Smuzhiyun };
98*4882a593Smuzhiyun
99*4882a593Smuzhiyun extern struct kobject *dmi_kobj;
100*4882a593Smuzhiyun extern int dmi_check_system(const struct dmi_system_id *list);
101*4882a593Smuzhiyun const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
102*4882a593Smuzhiyun extern const char * dmi_get_system_info(int field);
103*4882a593Smuzhiyun extern const struct dmi_device * dmi_find_device(int type, const char *name,
104*4882a593Smuzhiyun const struct dmi_device *from);
105*4882a593Smuzhiyun extern void dmi_setup(void);
106*4882a593Smuzhiyun extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
107*4882a593Smuzhiyun extern int dmi_get_bios_year(void);
108*4882a593Smuzhiyun extern int dmi_name_in_vendors(const char *str);
109*4882a593Smuzhiyun extern int dmi_name_in_serial(const char *str);
110*4882a593Smuzhiyun extern int dmi_available;
111*4882a593Smuzhiyun extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
112*4882a593Smuzhiyun void *private_data);
113*4882a593Smuzhiyun extern bool dmi_match(enum dmi_field f, const char *str);
114*4882a593Smuzhiyun extern void dmi_memdev_name(u16 handle, const char **bank, const char **device);
115*4882a593Smuzhiyun extern u64 dmi_memdev_size(u16 handle);
116*4882a593Smuzhiyun extern u8 dmi_memdev_type(u16 handle);
117*4882a593Smuzhiyun extern u16 dmi_memdev_handle(int slot);
118*4882a593Smuzhiyun
119*4882a593Smuzhiyun #else
120*4882a593Smuzhiyun
dmi_check_system(const struct dmi_system_id * list)121*4882a593Smuzhiyun static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
dmi_get_system_info(int field)122*4882a593Smuzhiyun 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)123*4882a593Smuzhiyun static inline const struct dmi_device * dmi_find_device(int type, const char *name,
124*4882a593Smuzhiyun const struct dmi_device *from) { return NULL; }
dmi_setup(void)125*4882a593Smuzhiyun static inline void dmi_setup(void) { }
dmi_get_date(int field,int * yearp,int * monthp,int * dayp)126*4882a593Smuzhiyun static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
127*4882a593Smuzhiyun {
128*4882a593Smuzhiyun if (yearp)
129*4882a593Smuzhiyun *yearp = 0;
130*4882a593Smuzhiyun if (monthp)
131*4882a593Smuzhiyun *monthp = 0;
132*4882a593Smuzhiyun if (dayp)
133*4882a593Smuzhiyun *dayp = 0;
134*4882a593Smuzhiyun return false;
135*4882a593Smuzhiyun }
dmi_get_bios_year(void)136*4882a593Smuzhiyun static inline int dmi_get_bios_year(void) { return -ENXIO; }
dmi_name_in_vendors(const char * s)137*4882a593Smuzhiyun static inline int dmi_name_in_vendors(const char *s) { return 0; }
dmi_name_in_serial(const char * s)138*4882a593Smuzhiyun static inline int dmi_name_in_serial(const char *s) { return 0; }
139*4882a593Smuzhiyun #define dmi_available 0
dmi_walk(void (* decode)(const struct dmi_header *,void *),void * private_data)140*4882a593Smuzhiyun static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
141*4882a593Smuzhiyun void *private_data) { return -ENXIO; }
dmi_match(enum dmi_field f,const char * str)142*4882a593Smuzhiyun static inline bool dmi_match(enum dmi_field f, const char *str)
143*4882a593Smuzhiyun { return false; }
dmi_memdev_name(u16 handle,const char ** bank,const char ** device)144*4882a593Smuzhiyun static inline void dmi_memdev_name(u16 handle, const char **bank,
145*4882a593Smuzhiyun const char **device) { }
dmi_memdev_size(u16 handle)146*4882a593Smuzhiyun static inline u64 dmi_memdev_size(u16 handle) { return ~0ul; }
dmi_memdev_type(u16 handle)147*4882a593Smuzhiyun static inline u8 dmi_memdev_type(u16 handle) { return 0x0; }
dmi_memdev_handle(int slot)148*4882a593Smuzhiyun static inline u16 dmi_memdev_handle(int slot) { return 0xffff; }
149*4882a593Smuzhiyun static inline const struct dmi_system_id *
dmi_first_match(const struct dmi_system_id * list)150*4882a593Smuzhiyun dmi_first_match(const struct dmi_system_id *list) { return NULL; }
151*4882a593Smuzhiyun
152*4882a593Smuzhiyun #endif
153*4882a593Smuzhiyun
154*4882a593Smuzhiyun #endif /* __DMI_H__ */
155