/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DMI_H__ #define __DMI_H__ #include <linux/list.h> #include <linux/kobject.h> #include <linux/mod_devicetable.h> /* enum dmi_field is in mod_devicetable.h */ enum dmi_device_type { DMI_DEV_TYPE_ANY = 0, DMI_DEV_TYPE_OTHER, DMI_DEV_TYPE_UNKNOWN, DMI_DEV_TYPE_VIDEO, DMI_DEV_TYPE_SCSI, DMI_DEV_TYPE_ETHERNET, DMI_DEV_TYPE_TOKENRING, DMI_DEV_TYPE_SOUND, DMI_DEV_TYPE_PATA, DMI_DEV_TYPE_SATA, DMI_DEV_TYPE_SAS, DMI_DEV_TYPE_IPMI = -1, DMI_DEV_TYPE_OEM_STRING = -2, DMI_DEV_TYPE_DEV_ONBOARD = -3, DMI_DEV_TYPE_DEV_SLOT = -4, }; enum dmi_entry_type { DMI_ENTRY_BIOS = 0, DMI_ENTRY_SYSTEM, DMI_ENTRY_BASEBOARD, DMI_ENTRY_CHASSIS, DMI_ENTRY_PROCESSOR, DMI_ENTRY_MEM_CONTROLLER, DMI_ENTRY_MEM_MODULE, DMI_ENTRY_CACHE, DMI_ENTRY_PORT_CONNECTOR, DMI_ENTRY_SYSTEM_SLOT, DMI_ENTRY_ONBOARD_DEVICE, DMI_ENTRY_OEMSTRINGS, DMI_ENTRY_SYSCONF, DMI_ENTRY_BIOS_LANG, DMI_ENTRY_GROUP_ASSOC, DMI_ENTRY_SYSTEM_EVENT_LOG, DMI_ENTRY_PHYS_MEM_ARRAY, DMI_ENTRY_MEM_DEVICE, DMI_ENTRY_32_MEM_ERROR, DMI_ENTRY_MEM_ARRAY_MAPPED_ADDR, DMI_ENTRY_MEM_DEV_MAPPED_ADDR, DMI_ENTRY_BUILTIN_POINTING_DEV, DMI_ENTRY_PORTABLE_BATTERY, DMI_ENTRY_SYSTEM_RESET, DMI_ENTRY_HW_SECURITY, DMI_ENTRY_SYSTEM_POWER_CONTROLS, DMI_ENTRY_VOLTAGE_PROBE, DMI_ENTRY_COOLING_DEV, DMI_ENTRY_TEMP_PROBE, DMI_ENTRY_ELECTRICAL_CURRENT_PROBE, DMI_ENTRY_OOB_REMOTE_ACCESS, DMI_ENTRY_BIS_ENTRY, DMI_ENTRY_SYSTEM_BOOT, DMI_ENTRY_MGMT_DEV, DMI_ENTRY_MGMT_DEV_COMPONENT, DMI_ENTRY_MGMT_DEV_THRES, DMI_ENTRY_MEM_CHANNEL, DMI_ENTRY_IPMI_DEV, DMI_ENTRY_SYS_POWER_SUPPLY, DMI_ENTRY_ADDITIONAL, DMI_ENTRY_ONBOARD_DEV_EXT, DMI_ENTRY_MGMT_CONTROLLER_HOST, DMI_ENTRY_INACTIVE = 126, DMI_ENTRY_END_OF_TABLE = 127, }; struct dmi_header { u8 type; u8 length; u16 handle; } __packed; struct dmi_device { struct list_head list; int type; const char *name; void *device_data; /* Type specific data */ }; #ifdef CONFIG_DMI struct dmi_dev_onboard { struct dmi_device dev; int instance; int segment; int bus; int devfn; }; extern struct kobject *dmi_kobj; extern int dmi_check_system(const struct dmi_system_id *list); const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list); extern const char * dmi_get_system_info(int field); extern const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from); extern void dmi_scan_machine(void); extern void dmi_memdev_walk(void); extern void dmi_set_dump_stack_arch_desc(void); extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); extern int dmi_name_in_vendors(const char *str); extern int dmi_name_in_serial(const char *str); extern int dmi_available; extern int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data); extern bool dmi_match(enum dmi_field f, const char *str); extern void dmi_memdev_name(u16 handle, const char **bank, const char **device); #else static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; } static inline const char * dmi_get_system_info(int field) { return NULL; } static inline const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from) { return NULL; } static inline void dmi_scan_machine(void) { return; } static inline void dmi_memdev_walk(void) { } static inline void dmi_set_dump_stack_arch_desc(void) { } static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp) { if (yearp) *yearp = 0; if (monthp) *monthp = 0; if (dayp) *dayp = 0; return false; } static inline int dmi_name_in_vendors(const char *s) { return 0; } static inline int dmi_name_in_serial(const char *s) { return 0; } #define dmi_available 0 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data) { return -ENXIO; } static inline bool dmi_match(enum dmi_field f, const char *str) { return false; } static inline void dmi_memdev_name(u16 handle, const char **bank, const char **device) { } static inline const struct dmi_system_id * dmi_first_match(const struct dmi_system_id *list) { return NULL; } #endif #endif /* __DMI_H__ */