Merge branch '2022-12-05-add-IPv6-support'
[platform/kernel/u-boot.git] / include / efi_driver.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  Internal structures for the EFI driver binding protocol
4  *
5  *  Copyright (c) 2017 Heinrich Schuchardt
6  */
7
8 #ifndef _EFI_DRIVER_H
9 #define _EFI_DRIVER_H 1
10
11 #include <efi_loader.h>
12
13 /**
14  * struct efi_driver_binding_extended_protocol - extended driver binding protocol
15  *
16  * This structure adds internal fields to the driver binding protocol.
17  *
18  * @bp:         driver binding protocol
19  * @ops:        operations supported by the driver
20  */
21 struct efi_driver_binding_extended_protocol {
22         struct efi_driver_binding_protocol bp;
23         const struct efi_driver_ops *ops;
24 };
25
26 /**
27  * struct efi_driver_ops - operations support by an EFI driver
28  *
29  * @protocol:           The GUID of the protocol which is consumed by the
30  *                      driver. This GUID is used by the EFI uclass in the
31  *                      supports() and start() methods of the
32  *                      EFI_DRIVER_BINDING_PROTOCOL.
33  * @child_protocol:     Protocol supported by the child handles generated by
34  *                      the EFI driver.
35  * @init:               Function called by the EFI uclass after installing the
36  *                      driver binding protocol.
37  * @bind:               Function called by the EFI uclass to attach the
38  *                      driver to EFI driver to a handle.
39  */
40 struct efi_driver_ops {
41         const efi_guid_t *protocol;
42         const efi_guid_t *child_protocol;
43         efi_status_t (*init)(struct efi_driver_binding_extended_protocol *this);
44         efi_status_t (*bind)(struct efi_driver_binding_extended_protocol *this,
45                              efi_handle_t handle, void *interface);
46 };
47
48 #endif /* _EFI_DRIVER_H */