232 lines
6.4 KiB
C
232 lines
6.4 KiB
C
/** @file
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Header file of the Driver Binding and Service Binding Protocol for TlsDxe driver.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_TLS_DRIVER_H__
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#define __EFI_TLS_DRIVER_H__
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#include <Uefi.h>
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//
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// Driver Protocols
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//
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#include <Protocol/ServiceBinding.h>
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//
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// Driver Version
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//
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#define TLS_VERSION 0x00000000
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#define TLS_SERVICE_SIGNATURE SIGNATURE_32 ('T', 'L', 'S', 'S')
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#define TLS_INSTANCE_SIGNATURE SIGNATURE_32 ('T', 'L', 'S', 'I')
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///
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/// TLS Service Data
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///
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typedef struct _TLS_SERVICE TLS_SERVICE;
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///
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/// TLS Instance Data
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///
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typedef struct _TLS_INSTANCE TLS_INSTANCE;
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struct _TLS_SERVICE {
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UINT32 Signature;
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EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
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UINT16 TlsChildrenNum;
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LIST_ENTRY TlsChildrenList;
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//
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// Handle to install TlsServiceBinding protocol.
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//
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EFI_HANDLE Handle;
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EFI_HANDLE ImageHandle;
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//
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// Main SSL Context object which is created by a server or client once per program
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// life-time and which holds mainly default values for the SSL object which are later
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// created for the connections.
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//
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VOID *TlsCtx;
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};
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struct _TLS_INSTANCE {
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UINT32 Signature;
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LIST_ENTRY Link;
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BOOLEAN InDestroy;
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TLS_SERVICE *Service;
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EFI_HANDLE ChildHandle;
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EFI_TLS_PROTOCOL Tls;
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EFI_TLS_CONFIGURATION_PROTOCOL TlsConfig;
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EFI_TLS_SESSION_STATE TlsSessionState;
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//
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// Main SSL Connection which is created by a server or a client
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// per established connection.
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//
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VOID *TlsConn;
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};
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#define TLS_SERVICE_FROM_THIS(a) \
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CR (a, TLS_SERVICE, ServiceBinding, TLS_SERVICE_SIGNATURE)
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#define TLS_INSTANCE_FROM_PROTOCOL(a) \
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CR (a, TLS_INSTANCE, Tls, TLS_INSTANCE_SIGNATURE)
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#define TLS_INSTANCE_FROM_CONFIGURATION(a) \
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CR (a, TLS_INSTANCE, TlsConfig, TLS_INSTANCE_SIGNATURE)
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/**
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Release all the resources used by the TLS instance.
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@param[in] Instance The TLS instance data.
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**/
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VOID
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TlsCleanInstance (
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IN TLS_INSTANCE *Instance
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);
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/**
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Create the TLS instance and initialize it.
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@param[in] Service The pointer to the TLS service.
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@param[out] Instance The pointer to the TLS instance.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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@retval EFI_SUCCESS The TLS instance is created.
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**/
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EFI_STATUS
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TlsCreateInstance (
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IN TLS_SERVICE *Service,
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OUT TLS_INSTANCE **Instance
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);
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/**
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Release all the resources used by the TLS service binding instance.
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@param[in] Service The TLS service data.
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**/
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VOID
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TlsCleanService (
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IN TLS_SERVICE *Service
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);
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/**
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Create then initialize a TLS service.
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@param[in] Image ImageHandle of the TLS driver
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@param[out] Service The service for TLS driver
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resource to create the service.
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@retval EFI_SUCCESS The service is created for the driver.
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**/
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EFI_STATUS
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TlsCreateService (
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IN EFI_HANDLE Image,
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OUT TLS_SERVICE **Service
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);
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/**
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Unloads an image.
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@param[in] ImageHandle Handle that identifies the image to be unloaded.
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@retval EFI_SUCCESS The image has been unloaded.
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@retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
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**/
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EFI_STATUS
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EFIAPI
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TlsUnload (
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IN EFI_HANDLE ImageHandle
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);
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/**
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This is the declaration of an EFI image entry point. This entry point is
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the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
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both device drivers and bus drivers.
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@param ImageHandle The firmware allocated handle for the UEFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval Others An unexpected error occurred.
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**/
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EFI_STATUS
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EFIAPI
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TlsDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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/**
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Creates a child handle and installs a protocol.
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The CreateChild() function installs a protocol on ChildHandle.
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If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
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If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
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@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL,
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then a new handle is created. If it is a pointer to an existing UEFI handle,
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then the protocol is added to the existing UEFI 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 available to create
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the child.
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@retval other 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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TlsServiceBindingCreateChild (
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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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/**
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Destroys a child handle with a protocol installed on it.
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The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
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that was installed by CreateChild() from ChildHandle. If the removed protocol is the
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last protocol on ChildHandle, then ChildHandle is destroyed.
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@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param 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 is being removed.
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@retval EFI_INVALID_PARAMETER Child handle is NULL.
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@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
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because its services are being used.
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@retval other 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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TlsServiceBindingDestroyChild (
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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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#endif
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