mirror of https://github.com/acidanthera/audk.git
132 lines
4.3 KiB
C
132 lines
4.3 KiB
C
/** @file
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This is definition for service binding for Hash driver.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _HASH2_DRIVER_H_
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#define _HASH2_DRIVER_H_
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#include <Uefi.h>
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#include <Protocol/ServiceBinding.h>
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#include <Protocol/Hash2.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/UefiLib.h>
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#define HASH2_SERVICE_DATA_SIGNATURE SIGNATURE_32 ('H', 'S', '2', 'S')
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typedef struct {
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UINT32 Signature;
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EFI_HANDLE ServiceHandle;
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EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
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LIST_ENTRY ChildrenList;
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} HASH2_SERVICE_DATA;
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#define HASH2_SERVICE_DATA_FROM_THIS(a) \
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CR ( \
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(a), \
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HASH2_SERVICE_DATA, \
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ServiceBinding, \
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HASH2_SERVICE_DATA_SIGNATURE \
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)
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#define HASH2_INSTANCE_DATA_SIGNATURE SIGNATURE_32 ('H', 's', '2', 'I')
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typedef struct {
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UINT32 Signature;
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HASH2_SERVICE_DATA *Hash2ServiceData;
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EFI_HANDLE Handle;
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LIST_ENTRY InstEntry;
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EFI_HASH2_PROTOCOL Hash2Protocol;
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VOID *HashContext;
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VOID *HashInfoContext;
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} HASH2_INSTANCE_DATA;
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#define HASH2_INSTANCE_DATA_FROM_THIS(a) \
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CR ( \
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(a), \
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HASH2_INSTANCE_DATA, \
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Hash2Protocol, \
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HASH2_INSTANCE_DATA_SIGNATURE \
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)
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#define HASH2_INSTANCE_DATA_FROM_LINK(a) \
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CR ( \
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(a), \
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HASH2_INSTANCE_DATA, \
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InstEntry, \
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HASH2_INSTANCE_DATA_SIGNATURE \
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)
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/**
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Creates a child handle with a set of I/O services.
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@param[in] This Protocol instance pointer.
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@param[in, out] ChildHandle Pointer to the handle of the child to create. If
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it is NULL, then a new handle is created. If
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it is not NULL, then the I/O services are added
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to the existing child handle.
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@retval EFI_SUCCES The protocol was added to ChildHandle.
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@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to
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create the child.
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@retval Others The child handle was not created.
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**/
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EFI_STATUS
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EFIAPI
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Hash2ServiceBindingCreateChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN OUT EFI_HANDLE *ChildHandle
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);
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/**
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Destroys a child handle with a set of I/O services.
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The DestroyChild() function does the opposite of CreateChild(). It removes a
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protocol that was installed by CreateChild() from ChildHandle. If the removed
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protocol is the last protocol on ChildHandle, then ChildHandle is destroyed.
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@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
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instance.
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@param[in] ChildHandle Handle of the child to destroy.
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@retval EFI_SUCCES The protocol was removed from ChildHandle.
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@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that
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is being removed.
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@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
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@retval EFI_ACCESS_DENIED The protocol could not be removed from the
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ChildHandle because its services are being
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used.
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@retval Others The child handle was not destroyed.
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**/
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EFI_STATUS
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EFIAPI
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Hash2ServiceBindingDestroyChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ChildHandle
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);
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extern EFI_HASH2_PROTOCOL mHash2Protocol;
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#endif
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