Add two new iterfaces to Redfish Platform Config Library in order to
support GetAttribute() and GetDefaultValue() interfaces.

Signed-off-by: Nickle Wang <nick...@nvidia.com>
Cc: Abner Chang <abner.ch...@amd.com>
Cc: Igor Kulchytskyy <ig...@ami.com>
Cc: Nick Ramirez <nrami...@nvidia.com>
---
 .../Library/RedfishPlatformConfigLib.h        | 44 ++++++++++++
 .../RedfishPlatformConfigLib.c                | 71 +++++++++++++++++++
 2 files changed, 115 insertions(+)

diff --git a/RedfishPkg/Include/Library/RedfishPlatformConfigLib.h 
b/RedfishPkg/Include/Library/RedfishPlatformConfigLib.h
index ebe2329fd9..8014799aea 100644
--- a/RedfishPkg/Include/Library/RedfishPlatformConfigLib.h
+++ b/RedfishPkg/Include/Library/RedfishPlatformConfigLib.h
@@ -2,6 +2,7 @@
   Definitinos of RedfishPlatformConfigLib
 
   (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+  Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -98,4 +99,47 @@ RedfishPlatformConfigGetSupportedSchema (
   OUT    CHAR8          **SupportedSchema
   );
 
+/**
+  Get Redfish attribute value with the given Schema and Configure Language.
+
+  @param[in]   Schema              The Redfish schema to query.
+  @param[in]   Version             The Redfish version to query.
+  @param[in]   ConfigureLang       The target value which match this configure 
Language.
+  @param[out]  AttributeValue      The attribute value.
+
+  @retval EFI_SUCCESS              Value is returned successfully.
+  @retval Others                   Some error happened.
+
+**/
+EFI_STATUS
+RedfishPlatformConfigGetAttribute (
+  IN     CHAR8                    *Schema,
+  IN     CHAR8                    *Version,
+  IN     EFI_STRING               ConfigureLang,
+  OUT    EDKII_REDFISH_ATTRIBUTE  *AttributeValue
+  );
+
+/**
+  Get Redfish default value with the given Schema and Configure Language.
+
+  @param[in]   Schema              The Redfish schema to query.
+  @param[in]   Version             The Redfish version to query.
+  @param[in]   ConfigureLang       The target value which match this configure 
Language.
+  @param[in]   DefaultClass        The UEFI defined default class.
+                                   Please refer to UEFI spec. 33.2.5.8 
"defaults" for details.
+  @param[out]  Value               The returned value.
+
+  @retval EFI_SUCCESS              Value is returned successfully.
+  @retval Others                   Some error happened.
+
+**/
+EFI_STATUS
+RedfishPlatformConfigGetDefaultValue (
+  IN     CHAR8                *Schema,
+  IN     CHAR8                *Version,
+  IN     EFI_STRING           ConfigureLang,
+  IN     UINT16               DefaultClass,
+  OUT    EDKII_REDFISH_VALUE  *Value
+  );
+
 #endif
diff --git 
a/RedfishPkg/Library/RedfishPlatformConfigLib/RedfishPlatformConfigLib.c 
b/RedfishPkg/Library/RedfishPlatformConfigLib/RedfishPlatformConfigLib.c
index eb2c64b0e6..5cfc240766 100644
--- a/RedfishPkg/Library/RedfishPlatformConfigLib/RedfishPlatformConfigLib.c
+++ b/RedfishPkg/Library/RedfishPlatformConfigLib/RedfishPlatformConfigLib.c
@@ -2,6 +2,7 @@
   Wrapper function to support Redfish Platform Config protocol.
 
   (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+  Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -46,6 +47,76 @@ RedfishPlatformConfigGetValue (
                                                       );
 }
 
+/**
+  Get Redfish attribute value with the given Schema and Configure Language.
+
+  @param[in]   Schema              The Redfish schema to query.
+  @param[in]   Version             The Redfish version to query.
+  @param[in]   ConfigureLang       The target value which match this configure 
Language.
+  @param[out]  AttributeValue      The attribute value.
+
+  @retval EFI_SUCCESS              Value is returned successfully.
+  @retval Others                   Some error happened.
+
+**/
+EFI_STATUS
+RedfishPlatformConfigGetAttribute (
+  IN     CHAR8                    *Schema,
+  IN     CHAR8                    *Version,
+  IN     EFI_STRING               ConfigureLang,
+  OUT    EDKII_REDFISH_ATTRIBUTE  *AttributeValue
+  )
+{
+  if (mRedfishPlatformConfigLibPrivate.Protocol == NULL) {
+    return EFI_NOT_READY;
+  }
+
+  return mRedfishPlatformConfigLibPrivate.Protocol->GetAttribute (
+                                                      
mRedfishPlatformConfigLibPrivate.Protocol,
+                                                      Schema,
+                                                      Version,
+                                                      ConfigureLang,
+                                                      AttributeValue
+                                                      );
+}
+
+/**
+  Get Redfish default value with the given Schema and Configure Language.
+
+  @param[in]   Schema              The Redfish schema to query.
+  @param[in]   Version             The Redfish version to query.
+  @param[in]   ConfigureLang       The target value which match this configure 
Language.
+  @param[in]   DefaultClass        The UEFI defined default class.
+                                   Please refer to UEFI spec. 33.2.5.8 
"defaults" for details.
+  @param[out]  Value               The returned value.
+
+  @retval EFI_SUCCESS              Value is returned successfully.
+  @retval Others                   Some error happened.
+
+**/
+EFI_STATUS
+RedfishPlatformConfigGetDefaultValue (
+  IN     CHAR8                *Schema,
+  IN     CHAR8                *Version,
+  IN     EFI_STRING           ConfigureLang,
+  IN     UINT16               DefaultClass,
+  OUT    EDKII_REDFISH_VALUE  *Value
+  )
+{
+  if (mRedfishPlatformConfigLibPrivate.Protocol == NULL) {
+    return EFI_NOT_READY;
+  }
+
+  return mRedfishPlatformConfigLibPrivate.Protocol->GetDefaultValue (
+                                                      
mRedfishPlatformConfigLibPrivate.Protocol,
+                                                      Schema,
+                                                      Version,
+                                                      ConfigureLang,
+                                                      DefaultClass,
+                                                      Value
+                                                      );
+}
+
 /**
   Set Redfish value with the given Schema and Configure Language.
 
-- 
2.38.1.windows.1



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