xref: /openbmc/u-boot/include/efi_driver.h (revision 9a66328a)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  EFI application loader
4  *
5  *  Copyright (c) 2017 Heinrich Schuchardt
6  */
7 
8 #ifndef _EFI_DRIVER_H
9 #define _EFI_DRIVER_H 1
10 
11 #include <common.h>
12 #include <dm.h>
13 #include <efi_loader.h>
14 
15 /*
16  * Operations supported by an EFI driver with respect to the EFI uclass
17  *
18  * @protocol		The GUID of the protocol which is consumed by the
19  *			driver. This GUID is used by the EFI uclass in the
20  *			supports() and start() methods of the
21  *			EFI_DRIVER_BINDING_PROTOCOL.
22  * @child_protocol	Protocol supported by the child handles generated by
23  *			the EFI driver.
24  * @bind		Function called by the EFI uclass to attach the
25  *			driver to EFI driver to a handle.
26  */
27 struct efi_driver_ops {
28 	const efi_guid_t *protocol;
29 	const efi_guid_t *child_protocol;
30 	int (*bind)(efi_handle_t handle, void *interface);
31 };
32 
33 /*
34  * This structure adds internal fields to the driver binding protocol.
35  */
36 struct efi_driver_binding_extended_protocol {
37 	struct efi_driver_binding_protocol bp;
38 	const struct efi_driver_ops *ops;
39 };
40 
41 #endif /* _EFI_DRIVER_H */
42