include/efi_driver.h

   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 */