/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_DEVICE_ID_DMI_H
#define LINUX_DEVICE_ID_DMI_H

#define DMI_MATCH(a, b)	{ .slot = a, .substr = b }
#define DMI_EXACT_MATCH(a, b)	{ .slot = a, .substr = b, .exact_match = 1 }

/* dmi */
enum dmi_field {
	DMI_NONE,
	DMI_BIOS_VENDOR,
	DMI_BIOS_VERSION,
	DMI_BIOS_DATE,
	DMI_BIOS_RELEASE,
	DMI_EC_FIRMWARE_RELEASE,
	DMI_SYS_VENDOR,
	DMI_PRODUCT_NAME,
	DMI_PRODUCT_VERSION,
	DMI_PRODUCT_SERIAL,
	DMI_PRODUCT_UUID,
	DMI_PRODUCT_SKU,
	DMI_PRODUCT_FAMILY,
	DMI_BOARD_VENDOR,
	DMI_BOARD_NAME,
	DMI_BOARD_VERSION,
	DMI_BOARD_SERIAL,
	DMI_BOARD_ASSET_TAG,
	DMI_CHASSIS_VENDOR,
	DMI_CHASSIS_TYPE,
	DMI_CHASSIS_VERSION,
	DMI_CHASSIS_SERIAL,
	DMI_CHASSIS_ASSET_TAG,
	DMI_STRING_MAX,
	DMI_OEM_STRING,	/* special case - will not be in dmi_ident */
};

struct dmi_strmatch {
	unsigned char slot:7;
	unsigned char exact_match:1;
	char substr[79];
};

struct dmi_system_id {
	int (*callback)(const struct dmi_system_id *);
	const char *ident;
	struct dmi_strmatch matches[4];
	void *driver_data;
};

/*
 * struct dmi_device_id appears during expansion of
 * "MODULE_DEVICE_TABLE(dmi, x)". Compiler doesn't look inside it
 * but this is enough for gcc 3.4.6 to error out:
 *	error: storage size of '__mod_dmi_device_table' isn't known
 */
#define dmi_device_id dmi_system_id

#endif /* ifndef LINUX_DEVICE_ID_DMI_H */