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 */ 49