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MdeModulePkg: Deprecate EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS

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Mark EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS as deprecated.
1. Make SetVariable/QueryVariableInfo return EFI_UNSUPPORTED with this
   attribute
2. No change to GetVariable/GetNextVariableName
Also update several function descriptors accordingly

Cc: Long Qin <qin.long@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
This commit is contained in:
Zhang, Chao B
2017-10-24 15:04:00 +08:00
parent 403170bbef
commit 4073f85d4a
10 changed files with 32 additions and 35 deletions
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8
MdeModulePkg/Library/UefiBootManagerLib/BmMisc.c
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@ -305,8 +305,7 @@ BmSetMemoryTypeInformationVariable (
@param VendorGuid A unique identifier for the vendor.
@param Attributes Attributes bitmask to set for the variable.
@param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE,
EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or
EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero
or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero
causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is
set, then a SetVariable() call with a DataSize of zero will not cause any change to
the variable value (the timestamp associated with the variable may be updated however
@ -324,9 +323,8 @@ BmSetMemoryTypeInformationVariable (
@retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
@retval EFI_WRITE_PROTECTED The variable in question is read-only.
@retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
@retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS
or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo
does NOT pass the validation check carried out by the firmware.
@retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS
being set, but the AuthInfo does NOT pass the validation check carried out by the firmware.
@retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
**/