mirror of
https://github.com/torvalds/linux.git
synced 2026-05-13 08:39:31 +02:00
95cef38e70
Move types for coreboot table entries to <linux/coreboot.h>. Allows drivers in other subsystems to use these structures. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Tzung-Bi Shih <tzungbi@kernel.org> Acked-by: Julius Werner <jwerner@chromium.org> Link: https://patch.msgid.link/20260217155836.96267-9-tzimmermann@suse.de
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* 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 */
|