dmi.h (4372B)
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 11enum 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 29enum 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 76struct dmi_header { 77 u8 type; 78 u8 length; 79 u16 handle; 80} __packed; 81 82struct 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 91struct dmi_dev_onboard { 92 struct dmi_device dev; 93 int instance; 94 int segment; 95 int bus; 96 int devfn; 97}; 98 99extern struct kobject *dmi_kobj; 100extern int dmi_check_system(const struct dmi_system_id *list); 101const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list); 102extern const char * dmi_get_system_info(int field); 103extern const struct dmi_device * dmi_find_device(int type, const char *name, 104 const struct dmi_device *from); 105extern void dmi_setup(void); 106extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); 107extern int dmi_get_bios_year(void); 108extern int dmi_name_in_vendors(const char *str); 109extern int dmi_name_in_serial(const char *str); 110extern int dmi_available; 111extern int dmi_walk(void (*decode)(const struct dmi_header *, void *), 112 void *private_data); 113extern bool dmi_match(enum dmi_field f, const char *str); 114extern void dmi_memdev_name(u16 handle, const char **bank, const char **device); 115extern u64 dmi_memdev_size(u16 handle); 116extern u8 dmi_memdev_type(u16 handle); 117extern u16 dmi_memdev_handle(int slot); 118 119#else 120 121static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; } 122static inline const char * dmi_get_system_info(int field) { return NULL; } 123static inline const struct dmi_device * dmi_find_device(int type, const char *name, 124 const struct dmi_device *from) { return NULL; } 125static inline void dmi_setup(void) { } 126static 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} 136static inline int dmi_get_bios_year(void) { return -ENXIO; } 137static inline int dmi_name_in_vendors(const char *s) { return 0; } 138static inline int dmi_name_in_serial(const char *s) { return 0; } 139#define dmi_available 0 140static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), 141 void *private_data) { return -ENXIO; } 142static inline bool dmi_match(enum dmi_field f, const char *str) 143 { return false; } 144static inline void dmi_memdev_name(u16 handle, const char **bank, 145 const char **device) { } 146static inline u64 dmi_memdev_size(u16 handle) { return ~0ul; } 147static inline u8 dmi_memdev_type(u16 handle) { return 0x0; } 148static inline u16 dmi_memdev_handle(int slot) { return 0xffff; } 149static 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__ */