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/* 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_setup(void);
extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
extern int dmi_get_bios_year(void);
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);
extern u64 dmi_memdev_size(u16 handle);
extern u8 dmi_memdev_type(u16 handle);
extern u16 dmi_memdev_handle(int slot);
#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_setup(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_get_bios_year(void) { return -ENXIO; }
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 u64 dmi_memdev_size(u16 handle) { return ~0ul; }
static inline u8 dmi_memdev_type(u16 handle) { return 0x0; }
static inline u16 dmi_memdev_handle(int slot) { return 0xffff; }
static inline const struct dmi_system_id *
dmi_first_match(const struct dmi_system_id *list) { return NULL; }
#endif
#endif /* __DMI_H__ */
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