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MdeModulePkg VariablePei: Merge from VariablePei in SecurityPkg

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What to do:
1. Merge from VariablePei in SecurityPkg to VariablePei in MdeModulePkg.

Why to do:
1. Remove code duplication and reduce maintenance effort.
The code logic of VariablePei in SecurityPkg is same with VariablePei
in MdeModulePkg.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17756 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2015-07-01 03:03:26 +00:00
committed by lzeng14
parent 627e117a72
commit 77ba12cc61
4 changed files with 182 additions and 83 deletions
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26
MdeModulePkg/Universal/Variable/Pei/Variable.h
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@@ -1,9 +1,8 @@
/** @file
The internal header file includes the common header files, defines
internal structure and functions used by PeiVariable module.
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -48,6 +47,7 @@ typedef struct {
// in spare block.
//
FAULT_TOLERANT_WRITE_LAST_WRITE_DATA *FtwLastWriteData;
BOOLEAN AuthFlag;
} VARIABLE_STORE_INFO;
//
@@ -55,8 +55,8 @@ typedef struct {
//
/**
Provide the functionality of the variable services.
@param FileHandle Handle of the file being invoked.
@param FileHandle Handle of the file being invoked.
Type EFI_PEI_FILE_HANDLE is defined in FfsFindNextFile().
@param PeiServices General purpose services available to every PEIM.
@@ -74,7 +74,7 @@ PeimInitializeVariableServices (
/**
This service retrieves a variable's value using its name and GUID.
Read the specified variable from the UEFI variable store. If the Data
Read the specified variable from the UEFI variable store. If the Data
buffer is too small to hold the contents of the variable, the error
EFI_BUFFER_TOO_SMALL is returned and DataSize is set to the required buffer
size to obtain the data.
@@ -90,8 +90,8 @@ PeimInitializeVariableServices (
@retval EFI_SUCCESS The variable was read successfully.
@retval EFI_NOT_FOUND The variable could not be found.
@retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the resulting data.
DataSize is updated with the size required for
@retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the resulting data.
DataSize is updated with the size required for
the specified variable.
@retval EFI_INVALID_PARAMETER VariableName, VariableGuid, DataSize or Data is NULL.
@retval EFI_DEVICE_ERROR The variable could not be retrieved because of a device error.
@@ -111,11 +111,11 @@ PeiGetVariable (
/**
Return the next variable name and GUID.
This function is called multiple times to retrieve the VariableName
and VariableGuid of all variables currently available in the system.
On each call, the previous results are passed into the interface,
and, on return, the interface returns the data for the next
interface. When the entire variable list has been returned,
This function is called multiple times to retrieve the VariableName
and VariableGuid of all variables currently available in the system.
On each call, the previous results are passed into the interface,
and, on return, the interface returns the data for the next
interface. When the entire variable list has been returned,
EFI_NOT_FOUND is returned.
@param This A pointer to this instance of the EFI_PEI_READ_ONLY_VARIABLE2_PPI.
@@ -124,7 +124,7 @@ PeiGetVariable (
@param VariableName On entry, a pointer to a null-terminated string that is the variable's name.
On return, points to the next variable's null-terminated name string.
@param VariableGuid On entry, a pointer to an UEFI _GUID that is the variable's GUID.
@param VariableGuid On entry, a pointer to an UEFI _GUID that is the variable's GUID.
On return, a pointer to the next variable's GUID.
@retval EFI_SUCCESS The variable was read successfully.