The Tcg/TrEE PhysicalPresence library will depend on Tcg/TrEE PpVendor library. The default NULL library instance is provided in this package. OEM can create OemPpVendorLib as override to handle >=128 operation value. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com> Reviewed-by: "Dong, Guo" <guo.dong@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16597 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			130 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   NULL TCG PP Vendor library instance that does not support any vendor specific PPI.
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| 
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| Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials 
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| are licensed and made available under the terms and conditions of the BSD License 
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| which accompanies this distribution.  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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| 
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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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| **/
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| 
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| #include <Library/DebugLib.h>
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| #include <Library/TcgPpVendorLib.h>
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| 
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| /**
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|   Check and execute the requested physical presence command.
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| 
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|   This API should be invoked in BIOS boot phase to process pending request.
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|   
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|   Caution: This function may receive untrusted input.
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|   
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|   If OperationRequest < 128, then ASSERT().
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| 
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|   @param[in]      OperationRequest TPM physical presence operation request.
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|   @param[in, out] ManagementFlags  BIOS TPM Management Flags.
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|   @param[out]     ResetRequired    If reset is required to vendor settings in effect.
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|                                    True, it indicates the reset is required.
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|                                    False, it indicates the reset is not required.
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| 
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|   @return TPM Operation Response to OS Environment.
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| **/
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| UINT32
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| EFIAPI
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| TcgPpVendorLibExecutePendingRequest (
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|   IN UINT32                 OperationRequest,
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|   IN OUT UINT32             *ManagementFlags,
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|   OUT BOOLEAN               *ResetRequired
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|   )
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| {
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|   ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
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|   return TCG_PP_OPERATION_RESPONSE_BIOS_FAILURE;
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| }
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| 
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| /**
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|   Check if there is a valid physical presence command request.
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| 
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|   This API should be invoked in BIOS boot phase to process pending request.
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|   
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|   Caution: This function may receive untrusted input.
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| 
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|   If OperationRequest < 128, then ASSERT().
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| 
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|   @param[in]      OperationRequest TPM physical presence operation request.
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|   @param[in]      ManagementFlags  BIOS TPM Management Flags.
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|   @param[out]     RequestConfirmed If the physical presence operation command required user confirm from UI.
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|                                    True, it indicates the command doesn't require user confirm.
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|                                    False, it indicates the command need user confirm from UI.
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| 
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|   @retval  TRUE        Physical Presence operation command is valid.
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|   @retval  FALSE       Physical Presence operation command is invalid.
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| **/
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| BOOLEAN
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| EFIAPI
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| TcgPpVendorLibHasValidRequest (
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|   IN UINT32                 OperationRequest,
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|   IN UINT32                 ManagementFlags,
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|   OUT BOOLEAN               *RequestConfirmed
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|   )
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| {
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|   ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
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|   return FALSE;
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| }
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| 
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| /**
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|   The callback for TPM vendor specific physical presence which is called for
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|   Submit TPM Operation Request to Pre-OS Environment and
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|   Submit TPM Operation Request to Pre-OS Environment 2.
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| 
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|   This API should be invoked in OS runtime phase to interface with ACPI method.
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| 
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|   Caution: This function may receive untrusted input.
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|   
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|   If OperationRequest < 128, then ASSERT().
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| 
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|   @param[in]      OperationRequest TPM physical presence operation request.
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|   @param[in]      ManagementFlags  BIOS TPM Management Flags.
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| 
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|   @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
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|           Submit TPM Operation Request to Pre-OS Environment 2.
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| **/
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| UINT32
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| EFIAPI
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| TcgPpVendorLibSubmitRequestToPreOSFunction (
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|   IN UINT32                 OperationRequest,
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|   IN UINT32                 ManagementFlags
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|   )
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| {
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|   ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
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|   return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
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| }
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| 
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| /**
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|   The callback for TPM vendor specific physical presence which is called for
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|   Get User Confirmation Status for Operation.
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| 
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|   This API should be invoked in OS runtime phase to interface with ACPI method.
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| 
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|   Caution: This function may receive untrusted input.
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|   
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|   If OperationRequest < 128, then ASSERT().
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| 
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|   @param[in]      OperationRequest TPM physical presence operation request.
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|   @param[in]      ManagementFlags  BIOS TPM Management Flags.
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| 
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|   @return Return Code for Get User Confirmation Status for Operation.
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| **/
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| UINT32
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| EFIAPI
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| TcgPpVendorLibGetUserConfirmationStatusFunction (
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|   IN UINT32                 OperationRequest,
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|   IN UINT32                 ManagementFlags
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|   )
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| {
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|   ASSERT (OperationRequest >= TCG_PHYSICAL_PRESENCE_VENDOR_SPECIFIC_OPERATION);
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|   return TCG_PP_GET_USER_CONFIRMATION_NOT_IMPLEMENTED;
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| }
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