/* SPDX-License-Identifier: GPL-2.0-only *//* * coreboot_table.h * * Internal header for coreboot table access. * * Copyright 2014 Gerd Hoffmann <kraxel@redhat.com> * Copyright 2017 Google Inc. * Copyright 2017 Samuel Holland <samuel@sholland.org> */ #ifndef __COREBOOT_TABLE_H#define __COREBOOT_TABLE_H #include <linux/coreboot.h>#include <linux/device.h> /* A device, additionally with information from coreboot. */struct coreboot_device {	struct device dev;	union {		struct coreboot_table_entry entry;		struct lb_cbmem_ref cbmem_ref;		struct lb_cbmem_entry cbmem_entry;		struct lb_framebuffer framebuffer;		DECLARE_FLEX_ARRAY(u8, raw);	};}; static inline struct coreboot_device *dev_to_coreboot_device(struct device *dev){	return container_of(dev, struct coreboot_device, dev);} /* A driver for handling devices described in coreboot tables. */struct coreboot_driver {	int (*probe)(struct coreboot_device *);	void (*remove)(struct coreboot_device *);	struct device_driver drv;	const struct coreboot_device_id *id_table;}; /* use a macro to avoid include chaining to get THIS_MODULE */#define coreboot_driver_register(driver) \	__coreboot_driver_register(driver, THIS_MODULE)/* Register a driver that uses the data from a coreboot table. */int __coreboot_driver_register(struct coreboot_driver *driver,			       struct module *owner); /* Unregister a driver that uses the data from a coreboot table. */void coreboot_driver_unregister(struct coreboot_driver *driver); /* module_coreboot_driver() - Helper macro for drivers that don't do * anything special in module init/exit.  This eliminates a lot of * boilerplate.  Each module may only use this macro once, and * calling it replaces module_init() and module_exit() */#define module_coreboot_driver(__coreboot_driver) \	module_driver(__coreboot_driver, coreboot_driver_register, \			coreboot_driver_unregister) #endif /* __COREBOOT_TABLE_H */