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SecurityPkg Variable: Support the new introduced PcdMaxAuthVariableSize.

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1. If PcdMaxAuthVariableSize is set to 0, keep current behavior as is and
PcdMaxVariableSize used.
2. If PcdMaxAuthVariableSize is set to non 0, it will work on
authenticated variables.

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

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17610 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2015-06-10 07:52:12 +00:00
committed by lzeng14
parent 8457d0e701
commit 13af4ab065
9 changed files with 73 additions and 28 deletions
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8
SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.h
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@@ -61,6 +61,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define VARIABLE_ATTRIBUTE_NV_BS_RT_HR (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_HARDWARE_ERROR_RECORD)
#define VARIABLE_ATTRIBUTE_NV_BS_RT_AW (VARIABLE_ATTRIBUTE_NV_BS_RT | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
#define VARIABLE_ATTRIBUTE_NV_BS_RT_AT_HR_AW (VARIABLE_ATTRIBUTE_NV_BS_RT_AT | EFI_VARIABLE_HARDWARE_ERROR_RECORD | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
#define VARIABLE_ATTRIBUTE_AT_AW (EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
#define MAX_NV_VARIABLE_SIZE (MAX (MAX (PcdGet32 (PcdMaxVariableSize), \
PcdGet32 (PcdMaxAuthVariableSize)), \
PcdGet32 (PcdMaxHardwareErrorVariableSize)))
///
/// The size of a 3 character ISO639 language code.
@@ -106,6 +111,9 @@ typedef struct {
UINTN CommonVariableTotalSize;
UINTN CommonUserVariableTotalSize;
UINTN HwErrVariableTotalSize;
UINTN MaxVariableSize;
UINTN MaxAuthVariableSize;
UINTN ScratchBufferSize;
CHAR8 *PlatformLangCodes;
CHAR8 *LangCodes;
CHAR8 *PlatformLang;