2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
89 lines
3.7 KiB
C
89 lines
3.7 KiB
C
/** @file
|
|
UEFI Service Binding Protocol is defined in UEFI specification.
|
|
|
|
The file defines the generic Service Binding Protocol functions.
|
|
It provides services that are required to create and destroy child
|
|
handles that support a given set of protocols.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef __EFI_SERVICE_BINDING_H__
|
|
#define __EFI_SERVICE_BINDING_H__
|
|
|
|
///
|
|
/// Forward reference for pure ANSI compatability
|
|
///
|
|
typedef struct _EFI_SERVICE_BINDING_PROTOCOL EFI_SERVICE_BINDING_PROTOCOL;
|
|
|
|
/**
|
|
Creates a child handle and installs a protocol.
|
|
|
|
The CreateChild() function installs a protocol on ChildHandle.
|
|
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
|
|
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
|
|
|
|
@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
|
|
@param ChildHandle Pointer to the handle of the child to create. If it is NULL,
|
|
then a new handle is created. If it is a pointer to an existing UEFI handle,
|
|
then the protocol is added to the existing UEFI handle.
|
|
|
|
@retval EFI_SUCCES The protocol was added to ChildHandle.
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
|
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to create
|
|
the child
|
|
@retval other The child handle was not created
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_SERVICE_BINDING_CREATE_CHILD)(
|
|
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
|
IN OUT EFI_HANDLE *ChildHandle
|
|
);
|
|
|
|
/**
|
|
Destroys a child handle with a protocol installed on it.
|
|
|
|
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
|
|
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
|
|
last protocol on ChildHandle, then ChildHandle is destroyed.
|
|
|
|
@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
|
|
@param ChildHandle Handle of the child to destroy
|
|
|
|
@retval EFI_SUCCES The protocol was removed from ChildHandle.
|
|
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
|
|
@retval EFI_INVALID_PARAMETER Child handle is NULL.
|
|
@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
|
|
because its services are being used.
|
|
@retval other The child handle was not destroyed
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_SERVICE_BINDING_DESTROY_CHILD)(
|
|
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ChildHandle
|
|
);
|
|
|
|
///
|
|
/// The EFI_SERVICE_BINDING_PROTOCOL provides member functions to create and destroy
|
|
/// child handles. A driver is responsible for adding protocols to the child handle
|
|
/// in CreateChild() and removing protocols in DestroyChild(). It is also required
|
|
/// that the CreateChild() function opens the parent protocol BY_CHILD_CONTROLLER
|
|
/// to establish the parent-child relationship, and closes the protocol in DestroyChild().
|
|
/// The pseudo code for CreateChild() and DestroyChild() is provided to specify the
|
|
/// required behavior, not to specify the required implementation. Each consumer of
|
|
/// a software protocol is responsible for calling CreateChild() when it requires the
|
|
/// protocol and calling DestroyChild() when it is finished with that protocol.
|
|
///
|
|
struct _EFI_SERVICE_BINDING_PROTOCOL {
|
|
EFI_SERVICE_BINDING_CREATE_CHILD CreateChild;
|
|
EFI_SERVICE_BINDING_DESTROY_CHILD DestroyChild;
|
|
};
|
|
|
|
#endif
|