xref: /openbmc/u-boot/include/efi_driver.h (revision aa5e3e22)
1 /*
2  *  EFI application loader
3  *
4  *  Copyright (c) 2017 Heinrich Schuchardt
5  *
6  *  SPDX-License-Identifier:     GPL-2.0+
7  */
8 
9 #ifndef _EFI_DRIVER_H
10 #define _EFI_DRIVER_H 1
11 
12 #include <common.h>
13 #include <dm.h>
14 #include <efi_loader.h>
15 
16 /*
17  * Operations supported by an EFI driver with respect to the EFI uclass
18  *
19  * @protocol		The GUID of the protocol which is consumed by the
20  *			driver. This GUID is used by the EFI uclass in the
21  *			supports() and start() methods of the
22  *			EFI_DRIVER_BINDING_PROTOCOL.
23  * @child_protocol	Protocol supported by the child handles generated by
24  *			the EFI driver.
25  * @bind		Function called by the EFI uclass to attach the
26  *			driver to EFI driver to a handle.
27  */
28 struct efi_driver_ops {
29 	const efi_guid_t *protocol;
30 	const efi_guid_t *child_protocol;
31 	int (*bind)(efi_handle_t handle, void *interface);
32 };
33 
34 /*
35  * This structure adds internal fields to the driver binding protocol.
36  */
37 struct efi_driver_binding_extended_protocol {
38 	struct efi_driver_binding_protocol bp;
39 	const struct efi_driver_ops *ops;
40 };
41 
42 #endif /* _EFI_DRIVER_H */
43