mirror of https://github.com/acidanthera/audk.git
98 lines
3.6 KiB
C
98 lines
3.6 KiB
C
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/*++
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Copyright (c) 2004 - 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 _EFI_PTT_PASS_THRU_H
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#define _EFI_PTT_PASS_THRU_H
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#define PTT_PASS_THRU_PROTOCOL_GUID \
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{ \
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0x73e2576, 0xf6c1, 0x4b91, 0x92, 0xa9, 0xd4, 0x67, 0x5d, 0xda, 0x34, 0xb1 \
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}
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// {073E2576-F6C1-4b91-92A9-D4675DDA34B1}
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//static const GUID <<name>> =
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//{ 0x73e2576, 0xf6c1, 0x4b91, { 0x92, 0xa9, 0xd4, 0x67, 0x5d, 0xda, 0x34, 0xb1 } };
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//#define EFI_PTT_PROTOCOL_GUID HECI_PROTOCOL_GUID
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typedef struct _PTT_PASS_THRU_PROTOCOL PTT_PASS_THRU_PROTOCOL;
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/**
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This service enables the sending of commands to the TPM2.
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@param[in] InputParameterBlockSize Size of the TPM2 input parameter block.
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@param[in] InputParameterBlock Pointer to the TPM2 input parameter block.
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@param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.
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@param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.
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@retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
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@retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
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@retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *TPM2_SUBMIT_COMMAND) (
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IN PTT_PASS_THRU_PROTOCOL *This,
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IN UINT32 InputParameterBlockSize,
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IN UINT8 *InputParameterBlock,
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IN OUT UINT32 *OutputParameterBlockSize,
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IN UINT8 *OutputParameterBlock
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);
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/**
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This service requests use TPM2.
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@retval EFI_SUCCESS Get the control of TPM2 chip.
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@retval EFI_NOT_FOUND TPM2 not found.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *TPM2_REQUEST_USE_TPM) (
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IN PTT_PASS_THRU_PROTOCOL *This
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);
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typedef struct {
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EFI_GUID ProviderGuid;
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TPM2_SUBMIT_COMMAND Tpm2SubmitCommand;
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TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm;
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} PTT_TPM2_DEVICE_INTERFACE;
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/**
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This service register TPM2 device.
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@param Tpm2Device TPM2 device
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@retval EFI_SUCCESS This TPM2 device is registered successfully.
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@retval EFI_UNSUPPORTED System does not support register this TPM2 device.
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@retval EFI_ALREADY_STARTED System already register this TPM2 device.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *TPM2_REGISTER_TPM2_DEVICE_LIB) (
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IN PTT_PASS_THRU_PROTOCOL *This,
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IN PTT_TPM2_DEVICE_INTERFACE *Tpm2Device
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);
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typedef struct _PTT_PASS_THRU_PROTOCOL {
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TPM2_SUBMIT_COMMAND Tpm2SubmitCommand;
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TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm;
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TPM2_REGISTER_TPM2_DEVICE_LIB Tpm2RegisterTpm2DeviceLib;
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} PTT_PASS_THRU_PROTOCOL;
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extern EFI_GUID gPttPassThruProtocolGuid;
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#endif // _EFI_HECI_H
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