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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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10
MdeModulePkg/Universal/BdsDxe/Bds.h
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@@ -1,7 +1,7 @@
/** @file
Head file for BDS Architectural Protocol implementation
Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2017, 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
@@ -80,8 +80,7 @@ BdsEntry (
@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
@@ -99,9 +98,8 @@ BdsEntry (
@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.
**/