[mirror_ubuntu-bionic-kernel.git] / include / linux / dmi.h

/* 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__ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef __DMI_H__
	3	#define __DMI_H__
	4
ebad6a42	5	#include <linux/list.h>
d7f96f97	6	#include <linux/kobject.h>
d945b697	7	#include <linux/mod_devicetable.h>
ebad6a42	8
d945b697	9	/* enum dmi_field is in mod_devicetable.h */
1da177e4	10
ebad6a42 AP	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,
b4bd7d59 WVS	20	DMI_DEV_TYPE_PATA,
	21	DMI_DEV_TYPE_SATA,
	22	DMI_DEV_TYPE_SAS,
2e0c1f6c	23	DMI_DEV_TYPE_IPMI = -1,
b4bd7d59	24	DMI_DEV_TYPE_OEM_STRING = -2,
911e1c9b	25	DMI_DEV_TYPE_DEV_ONBOARD = -3,
e5b6c151	26	DMI_DEV_TYPE_DEV_SLOT = -4,
ebad6a42 AP	27	};
ebad6a42 AP	28
93c890db MW	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
ebad6a42 AP	76	struct dmi_header {
	77	u8 type;
	78	u8 length;
	79	u16 handle;
9ea650c8	80	} __packed;
ebad6a42	81
ebad6a42 AP	82	struct dmi_device {
	83	struct list_head list;
	84	int type;
	85	const char *name;
	86	void device_data; / Type specific data */
	87	};
1da177e4	88
e9928674	89	#ifdef CONFIG_DMI
1da177e4	90
911e1c9b N	91	struct dmi_dev_onboard {
	92	struct dmi_device dev;
	93	int instance;
	94	int segment;
	95	int bus;
	96	int devfn;
	97	};
	98
d7f96f97	99	extern struct kobject *dmi_kobj;
1855256c	100	extern int dmi_check_system(const struct dmi_system_id *list);
d7b1956f	101	const struct dmi_system_id dmi_first_match(const struct dmi_system_id list);
1855256c JG	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);
e9928674	105	extern void dmi_scan_machine(void);
dd6dad42	106	extern void dmi_memdev_walk(void);
98e5e1bf	107	extern void dmi_set_dump_stack_arch_desc(void);
3e5cd1f2	108	extern bool dmi_get_date(int field, int yearp, int monthp, int *dayp);
1855256c	109	extern int dmi_name_in_vendors(const char *str);
fd8cd7e1	110	extern int dmi_name_in_serial(const char *str);
81b4e1f6	111	extern int dmi_available;
e7a19c56 JD	112	extern int dmi_walk(void (decode)(const struct dmi_header , void *),
e7a19c56 JD	113	void *private_data);
d61c72e5	114	extern bool dmi_match(enum dmi_field f, const char *str);
dd6dad42	115	extern void dmi_memdev_name(u16 handle, const char bank, const char device);
e9928674	116
1da177e4 LT	117	#else
1da177e4 LT	118
1855256c JG	119	static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
	120	static inline const char * dmi_get_system_info(int field) { return NULL; }
	121	static inline const struct dmi_device * dmi_find_device(int type, const char *name,
	122	const struct dmi_device *from) { return NULL; }
7ae9392c	123	static inline void dmi_scan_machine(void) { return; }
dd6dad42	124	static inline void dmi_memdev_walk(void) { }
98e5e1bf	125	static inline void dmi_set_dump_stack_arch_desc(void) { }
3e5cd1f2 TH	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	}
1855256c	136	static inline int dmi_name_in_vendors(const char *s) { return 0; }
fd8cd7e1	137	static inline int dmi_name_in_serial(const char *s) { return 0; }
81b4e1f6	138	#define dmi_available 0
e7a19c56	139	static inline int dmi_walk(void (decode)(const struct dmi_header , void *),
c9268200	140	void *private_data) { return -ENXIO; }
d61c72e5 JS	141	static inline bool dmi_match(enum dmi_field f, const char *str)
d61c72e5 JS	142	{ return false; }
dd6dad42 CG	143	static inline void dmi_memdev_name(u16 handle, const char **bank,
dd6dad42 CG	144	const char **device) { }
d8204ee2 KG	145	static inline const struct dmi_system_id *
d8204ee2 KG	146	dmi_first_match(const struct dmi_system_id *list) { return NULL; }
1da177e4 LT	147
	148	#endif
	149
	150	#endif /* __DMI_H__ */