/* SPDX-License-Identifier: GPL-2.0+ */

  /*
   *  EFI application loader
   *
   *  Copyright (c) 2017 Heinrich Schuchardt

   */
  
  #ifndef _EFI_DRIVER_H
  #define _EFI_DRIVER_H 1
  
  #include <common.h>
  #include <dm.h>
  #include <efi_loader.h>

  /*
   * Operations supported by an EFI driver with respect to the EFI uclass
   *
   * @protocol		The GUID of the protocol which is consumed by the
   *			driver. This GUID is used by the EFI uclass in the
   *			supports() and start() methods of the
   *			EFI_DRIVER_BINDING_PROTOCOL.
   * @child_protocol	Protocol supported by the child handles generated by
   *			the EFI driver.
   * @bind		Function called by the EFI uclass to attach the
   *			driver to EFI driver to a handle.
   */

  struct efi_driver_ops {
  	const efi_guid_t *protocol;
  	const efi_guid_t *child_protocol;
  	int (*bind)(efi_handle_t handle, void *interface);
  };
  
  /*
   * This structure adds internal fields to the driver binding protocol.
   */
  struct efi_driver_binding_extended_protocol {
  	struct efi_driver_binding_protocol bp;
  	const struct efi_driver_ops *ops;
  };
  
  #endif /* _EFI_DRIVER_H */