Add RedfishVersionLib in order to get Redfish version hosted at BMC.
When there is trouble to get Redfish support version, the default
version is retrieved from pre-defined PCD value.
Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Yang Atom <Atom.Yang@amd.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
---
.../Include/Library/RedfishVersionLib.h | 30 +++
RedfishClientPkg/Include/RedfishBase.h | 21 ++
.../RedfishVersionLib/RedfishVersionLib.c | 203 ++++++++++++++++++
.../RedfishVersionLib/RedfishVersionLib.inf | 50 +++++
RedfishClientPkg/RedfishClientLibs.dsc.inc | 1 +
RedfishClientPkg/RedfishClientPkg.dec | 4 +-
6 files changed, 308 insertions(+), 1 deletion(-)
create mode 100644 RedfishClientPkg/Include/Library/RedfishVersionLib.h
create mode 100644 RedfishClientPkg/Include/RedfishBase.h
create mode 100644 RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
create mode 100644 RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
diff --git a/RedfishClientPkg/Include/Library/RedfishVersionLib.h b/RedfishClientPkg/Include/Library/RedfishVersionLib.h
new file mode 100644
index 0000000000..319f22bd37
--- /dev/null
+++ b/RedfishClientPkg/Include/Library/RedfishVersionLib.h
@@ -0,0 +1,30 @@
+/** @file
+ This file defines the Redfish version Library interface.
+
+ (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef REDFISH_VERSION_LIB_H_
+#define REDFISH_VERSION_LIB_H_
+
+/**
+ Query HTTP request to BMC with given redfish service and return redfish
+ version information. If there is troulbe to get Redfish version on BMC,
+ The value of PcdDefaultRedfishVersion is returned.
+
+ It's call responsibility to release returned buffer.
+
+ @param[in] Service Redfish service instance
+
+ @retval EFI_STRING Redfish version string. NULL while error occurs.
+
+**/
+EFI_STRING
+RedfishGetVersion (
+ IN REDFISH_SERVICE *Service
+ );
+
+#endif
diff --git a/RedfishClientPkg/Include/RedfishBase.h b/RedfishClientPkg/Include/RedfishBase.h
new file mode 100644
index 0000000000..cf320bb0eb
--- /dev/null
+++ b/RedfishClientPkg/Include/RedfishBase.h
@@ -0,0 +1,21 @@
+/** @file
+ Redfish base header file.
+
+ (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EFI_REDFISH_BASE_H_
+#define EFI_REDFISH_BASE_H_
+
+#define IS_EMPTY_STRING(a) ((a) == NULL || (a)[0] == '\0')
+#define REDFISH_DEBUG_TRACE DEBUG_INFO
+
+///
+/// This GUID is used for an EFI Variable that stores the Redfish data.
+///
+EFI_GUID mRedfishVariableGuid = {0x91c46a3d, 0xed1a, 0x477b, {0xa5, 0x33, 0x87, 0x2d, 0xcd, 0xb0, 0xfc, 0xc1}};
+
+#endif
diff --git a/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
new file mode 100644
index 0000000000..0a2ace7726
--- /dev/null
+++ b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
@@ -0,0 +1,203 @@
+/** @file
+ Redfish version library implementation
+
+ (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <RedfishBase.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/RedfishLib.h>
+#include <Library/JsonLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/RedfishVersionLib.h>
+
+#define REDFISH_VERSION_DEFAULT_STRING L"v1"
+#define REDFISH_ROOT_URI "/redfish"
+
+REDFISH_SERVICE *mCacheService;
+EFI_STRING mVersionCache;
+UINTN mVersionStringSize;
+
+/**
+ Cache the redfish service version for later use so we don't have to query
+ HTTP request everytime.
+
+ @param[in] Service Redfish service instance
+ @param[in] Version Version string to cache
+
+ @retval EFI_SUCCESS Version is saved in cache successfully.
+ @retval Others
+
+**/
+EFI_STATUS
+CacheVersion (
+ IN REDFISH_SERVICE *Service,
+ IN EFI_STRING Version
+ )
+{
+ if (Service == NULL || IS_EMPTY_STRING (Version)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (mCacheService == Service) {
+ return EFI_ALREADY_STARTED;
+ }
+
+ mCacheService = Service;
+ if (mVersionCache != NULL) {
+ FreePool (mVersionCache);
+ }
+
+ mVersionStringSize = StrSize (Version);
+ mVersionCache = AllocateCopyPool (mVersionStringSize, Version);
+ if (mVersionCache == NULL) {
+ mCacheService = NULL;
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Query HTTP request to BMC with given redfish service and return redfish
+ version information. If there is troulbe to get Redfish version on BMC,
+ The value of PcdDefaultRedfishVersion is returned.
+
+ It's call responsibility to release returned buffer.
+
+ @param[in] Service Redfish service instance
+
+ @retval EFI_STRING Redfish version string. NULL while error occurs.
+
+**/
+EFI_STRING
+RedfishGetVersion (
+ IN REDFISH_SERVICE *Service
+ )
+{
+ EFI_STATUS Status;
+ EFI_STRING VersionString;
+ REDFISH_RESPONSE Response;
+ EDKII_JSON_VALUE JsonValue;
+ EDKII_JSON_VALUE N;
+ CHAR8 *Key;
+ EDKII_JSON_VALUE Value;
+
+ VersionString = NULL;
+
+ if (Service == NULL) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Use cache to prevent HTTP connection.
+ //
+ if (Service == mCacheService) {
+ return AllocateCopyPool (mVersionStringSize, mVersionCache);
+ }
+
+ //
+ // Get resource from redfish service.
+ //
+ Status = RedfishGetByUri (
+ Service,
+ REDFISH_ROOT_URI,
+ &Response
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a, RedfishGetByService to %a failed: %r\n", __FUNCTION__, REDFISH_ROOT_URI, Status));
+ if (Response.Payload != NULL) {
+ RedfishDumpPayload (Response.Payload);
+ RedfishFreeResponse (
+ NULL,
+ 0,
+ NULL,
+ Response.Payload
+ );
+ Response.Payload = NULL;
+ }
+
+ goto ON_ERROR;
+ }
+
+ JsonValue = RedfishJsonInPayload (Response.Payload);
+ if (JsonValue == NULL || !JsonValueIsObject (JsonValue)) {
+ goto ON_ERROR;
+ }
+
+ EDKII_JSON_OBJECT_FOREACH_SAFE (JsonValue, N, Key, Value) {
+ if (Key[0] == 'v' && JsonValueIsString (Value)) {
+ VersionString = JsonValueGetUnicodeString (Value);
+ break;
+ }
+ }
+
+ if (VersionString != NULL) {
+ CacheVersion (Service, VersionString);
+ return VersionString;
+ }
+
+ON_ERROR:
+
+ VersionString = (CHAR16 *)PcdGetPtr (PcdDefaultRedfishVersion);
+ if (VersionString == NULL) {
+ VersionString = REDFISH_VERSION_DEFAULT_STRING;
+ }
+
+ return AllocateCopyPool (StrSize (VersionString), VersionString);
+}
+
+/**
+
+ Initial redfish version library instace.
+
+ @param[in] ImageHandle The image handle.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_SUCEESS Install Boot manager menu success.
+ @retval Other Return error status.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishVersionLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ mCacheService = NULL;
+ mVersionCache = NULL;
+ mVersionStringSize = 0;
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Release allocated resource.
+
+ @param[in] ImageHandle Handle that identifies the image to be unloaded.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_SUCCESS The image has been unloaded.
+
+**/
+EFI_STATUS
+EFIAPI
+RedfishVersionLibDestructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ if (mVersionCache != NULL) {
+ FreePool (mVersionCache);
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
new file mode 100644
index 0000000000..34d13d64f1
--- /dev/null
+++ b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
@@ -0,0 +1,50 @@
+## @file
+#
+# (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010006
+ BASE_NAME = RedfishVersionLib
+ FILE_GUID = 396A7508-B611-49F7-9C81-DAD96B526B61
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = RedfishVersionLib| DXE_DRIVER
+ CONSTRUCTOR = RedfishVersionLibConstructor
+ DESTRUCTOR = RedfishVersionLibDestructor
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ RedfishVersionLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ RedfishPkg/RedfishPkg.dec
+ RedfishClientPkg/RedfishClientPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ MemoryAllocationLib
+ PcdLib
+ RedfishLib
+ JsonLib
+
+[Protocols]
+
+[Pcd]
+ gEfiRedfishClientPkgTokenSpaceGuid.PcdDefaultRedfishVersion
+
+[BuildOptions]
+ #
+ # NOTE: /wd4706 disables the following Visual Studio compiler warning in Jansson:
+ # "C4706: assignment within conditional expression"
+ #
+ MSFT:*_*_*_CC_FLAGS = /wd4706
diff --git a/RedfishClientPkg/RedfishClientLibs.dsc.inc b/RedfishClientPkg/RedfishClientLibs.dsc.inc
index ce1c27d884..1cf0406912 100644
--- a/RedfishClientPkg/RedfishClientLibs.dsc.inc
+++ b/RedfishClientPkg/RedfishClientLibs.dsc.inc
@@ -29,3 +29,4 @@
ConverterCommonLib|RedfishClientPkg/ConverterLib/edk2library/ConverterCommonLib/ConverterCommonLib.inf
RedfishEventLib|RedfishClientPkg/Library/RedfishEventLib/RedfishEventLib.inf
+ RedfishVersionLib|RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
diff --git a/RedfishClientPkg/RedfishClientPkg.dec b/RedfishClientPkg/RedfishClientPkg.dec
index 39b2f5baf8..2ce51d14af 100644
--- a/RedfishClientPkg/RedfishClientPkg.dec
+++ b/RedfishClientPkg/RedfishClientPkg.dec
@@ -22,6 +22,7 @@
[LibraryClasses]
RedfishFeatureUtilityLib|Include/Library/RedfishFeatureUtilityLib.h
RedfishEventLib|Include/Library/RedfishEventLib.h
+ RedfishVersionLib|Include/Library/RedfishVersionLib.h
[LibraryClasses.Common.Private]
## @libraryclass Redfish Helper Library
@@ -52,4 +53,5 @@
# { 0x7CE88FB3, 0x4BD7, 0x4679, { 0x87, 0xA8, 0xA8, 0xD8, 0xDE, 0xE5, 0x0D, 0x2B }}
#
gEfiRedfishClientPkgTokenSpaceGuid.PcdEdkIIRedfishFeatureDriverStartupEventGuid|{0xB3, 0x8F, 0xE8, 0x7C, 0xD7, 0x4B, 0x79, 0x46, 0x87, 0xA8, 0xA8, 0xD8, 0xDE, 0xE5, 0x0D, 0x2B}|VOID*|0x10000003
-
+ ## Default Redfish version string
+ gEfiRedfishClientPkgTokenSpaceGuid.PcdDefaultRedfishVersion|L"v1"|VOID*|0x10000004
--
2.32.0.windows.2
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-=-=-=-=-=-=-=-=-=-=-=-[AMD Official Use Only - General]
Reviewed-by: Abner Chang <abner.chang@amd.com>
> -----Original Message-----
> From: Nickle Wang <nickle.wang@hpe.com>
> Sent: Monday, July 25, 2022 9:36 AM
> To: devel@edk2.groups.io
> Cc: Chang, Abner <Abner.Chang@amd.com>; Yang, Atom
> <Atom.Yang@amd.com>; Nick Ramirez <nramirez@nvidia.com>
> Subject: [edk2-staging][PATCH v2 02/15] edk2-staging/RedfishClientPkg:
> Introduce Redfish version library
>
> [CAUTION: External Email]
>
> Add RedfishVersionLib in order to get Redfish version hosted at BMC.
> When there is trouble to get Redfish support version, the default version is
> retrieved from pre-defined PCD value.
>
> Signed-off-by: Nickle Wang <nickle.wang@hpe.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Yang Atom <Atom.Yang@amd.com>
> Cc: Nick Ramirez <nramirez@nvidia.com>
> ---
> .../Include/Library/RedfishVersionLib.h | 30 +++
> RedfishClientPkg/Include/RedfishBase.h | 21 ++
> .../RedfishVersionLib/RedfishVersionLib.c | 203 ++++++++++++++++++
> .../RedfishVersionLib/RedfishVersionLib.inf | 50 +++++
> RedfishClientPkg/RedfishClientLibs.dsc.inc | 1 +
> RedfishClientPkg/RedfishClientPkg.dec | 4 +-
> 6 files changed, 308 insertions(+), 1 deletion(-) create mode 100644
> RedfishClientPkg/Include/Library/RedfishVersionLib.h
> create mode 100644 RedfishClientPkg/Include/RedfishBase.h
> create mode 100644
> RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
> create mode 100644
> RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
>
> diff --git a/RedfishClientPkg/Include/Library/RedfishVersionLib.h
> b/RedfishClientPkg/Include/Library/RedfishVersionLib.h
> new file mode 100644
> index 0000000000..319f22bd37
> --- /dev/null
> +++ b/RedfishClientPkg/Include/Library/RedfishVersionLib.h
> @@ -0,0 +1,30 @@
> +/** @file
> + This file defines the Redfish version Library interface.
> +
> + (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef REDFISH_VERSION_LIB_H_
> +#define REDFISH_VERSION_LIB_H_
> +
> +/**
> + Query HTTP request to BMC with given redfish service and return
> +redfish
> + version information. If there is troulbe to get Redfish version on
> +BMC,
> + The value of PcdDefaultRedfishVersion is returned.
> +
> + It's call responsibility to release returned buffer.
> +
> + @param[in] Service Redfish service instance
> +
> + @retval EFI_STRING Redfish version string. NULL while error occurs.
> +
> +**/
> +EFI_STRING
> +RedfishGetVersion (
> + IN REDFISH_SERVICE *Service
> + );
> +
> +#endif
> diff --git a/RedfishClientPkg/Include/RedfishBase.h
> b/RedfishClientPkg/Include/RedfishBase.h
> new file mode 100644
> index 0000000000..cf320bb0eb
> --- /dev/null
> +++ b/RedfishClientPkg/Include/RedfishBase.h
> @@ -0,0 +1,21 @@
> +/** @file
> + Redfish base header file.
> +
> + (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef EFI_REDFISH_BASE_H_
> +#define EFI_REDFISH_BASE_H_
> +
> +#define IS_EMPTY_STRING(a) ((a) == NULL || (a)[0] == '\0')
> +#define REDFISH_DEBUG_TRACE DEBUG_INFO
> +
> +///
> +/// This GUID is used for an EFI Variable that stores the Redfish data.
> +///
> +EFI_GUID mRedfishVariableGuid = {0x91c46a3d, 0xed1a, 0x477b, {0xa5,
> +0x33, 0x87, 0x2d, 0xcd, 0xb0, 0xfc, 0xc1}};
> +
> +#endif
> diff --git a/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
> b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
> new file mode 100644
> index 0000000000..0a2ace7726
> --- /dev/null
> +++ b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.c
> @@ -0,0 +1,203 @@
> +/** @file
> + Redfish version library implementation
> +
> + (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <Uefi.h>
> +#include <RedfishBase.h>
> +#include <Library/BaseLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/PcdLib.h>
> +#include <Library/RedfishLib.h>
> +#include <Library/JsonLib.h>
> +#include <Library/MemoryAllocationLib.h> #include
> +<Library/RedfishVersionLib.h>
> +
> +#define REDFISH_VERSION_DEFAULT_STRING L"v1"
> +#define REDFISH_ROOT_URI "/redfish"
> +
> +REDFISH_SERVICE *mCacheService;
> +EFI_STRING mVersionCache;
> +UINTN mVersionStringSize;
> +
> +/**
> + Cache the redfish service version for later use so we don't have to
> +query
> + HTTP request everytime.
> +
> + @param[in] Service Redfish service instance
> + @param[in] Version Version string to cache
> +
> + @retval EFI_SUCCESS Version is saved in cache successfully.
> + @retval Others
> +
> +**/
> +EFI_STATUS
> +CacheVersion (
> + IN REDFISH_SERVICE *Service,
> + IN EFI_STRING Version
> + )
> +{
> + if (Service == NULL || IS_EMPTY_STRING (Version)) {
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + if (mCacheService == Service) {
> + return EFI_ALREADY_STARTED;
> + }
> +
> + mCacheService = Service;
> + if (mVersionCache != NULL) {
> + FreePool (mVersionCache);
> + }
> +
> + mVersionStringSize = StrSize (Version); mVersionCache =
> + AllocateCopyPool (mVersionStringSize, Version); if (mVersionCache ==
> + NULL) {
> + mCacheService = NULL;
> + return EFI_OUT_OF_RESOURCES;
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +/**
> + Query HTTP request to BMC with given redfish service and return
> +redfish
> + version information. If there is troulbe to get Redfish version on
> +BMC,
> + The value of PcdDefaultRedfishVersion is returned.
> +
> + It's call responsibility to release returned buffer.
> +
> + @param[in] Service Redfish service instance
> +
> + @retval EFI_STRING Redfish version string. NULL while error occurs.
> +
> +**/
> +EFI_STRING
> +RedfishGetVersion (
> + IN REDFISH_SERVICE *Service
> + )
> +{
> + EFI_STATUS Status;
> + EFI_STRING VersionString;
> + REDFISH_RESPONSE Response;
> + EDKII_JSON_VALUE JsonValue;
> + EDKII_JSON_VALUE N;
> + CHAR8 *Key;
> + EDKII_JSON_VALUE Value;
> +
> + VersionString = NULL;
> +
> + if (Service == NULL) {
> + goto ON_ERROR;
> + }
> +
> + //
> + // Use cache to prevent HTTP connection.
> + //
> + if (Service == mCacheService) {
> + return AllocateCopyPool (mVersionStringSize, mVersionCache); }
> +
> + //
> + // Get resource from redfish service.
> + //
> + Status = RedfishGetByUri (
> + Service,
> + REDFISH_ROOT_URI,
> + &Response
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a, RedfishGetByService to %a failed: %r\n",
> __FUNCTION__, REDFISH_ROOT_URI, Status));
> + if (Response.Payload != NULL) {
> + RedfishDumpPayload (Response.Payload);
> + RedfishFreeResponse (
> + NULL,
> + 0,
> + NULL,
> + Response.Payload
> + );
> + Response.Payload = NULL;
> + }
> +
> + goto ON_ERROR;
> + }
> +
> + JsonValue = RedfishJsonInPayload (Response.Payload); if (JsonValue
> + == NULL || !JsonValueIsObject (JsonValue)) {
> + goto ON_ERROR;
> + }
> +
> + EDKII_JSON_OBJECT_FOREACH_SAFE (JsonValue, N, Key, Value) {
> + if (Key[0] == 'v' && JsonValueIsString (Value)) {
> + VersionString = JsonValueGetUnicodeString (Value);
> + break;
> + }
> + }
> +
> + if (VersionString != NULL) {
> + CacheVersion (Service, VersionString);
> + return VersionString;
> + }
> +
> +ON_ERROR:
> +
> + VersionString = (CHAR16 *)PcdGetPtr (PcdDefaultRedfishVersion); if
> + (VersionString == NULL) {
> + VersionString = REDFISH_VERSION_DEFAULT_STRING; }
> +
> + return AllocateCopyPool (StrSize (VersionString), VersionString); }
> +
> +/**
> +
> + Initial redfish version library instace.
> +
> + @param[in] ImageHandle The image handle.
> + @param[in] SystemTable The system table.
> +
> + @retval EFI_SUCEESS Install Boot manager menu success.
> + @retval Other Return error status.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +RedfishVersionLibConstructor (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_SYSTEM_TABLE *SystemTable
> + )
> +{
> + mCacheService = NULL;
> + mVersionCache = NULL;
> + mVersionStringSize = 0;
> +
> + return EFI_SUCCESS;
> +}
> +
> +
> +/**
> + Release allocated resource.
> +
> + @param[in] ImageHandle Handle that identifies the image to be unloaded.
> + @param[in] SystemTable The system table.
> +
> + @retval EFI_SUCCESS The image has been unloaded.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +RedfishVersionLibDestructor (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_SYSTEM_TABLE *SystemTable
> + )
> +{
> + if (mVersionCache != NULL) {
> + FreePool (mVersionCache);
> + }
> +
> + return EFI_SUCCESS;
> +}
> diff --git a/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
> b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
> new file mode 100644
> index 0000000000..34d13d64f1
> --- /dev/null
> +++ b/RedfishClientPkg/Library/RedfishVersionLib/RedfishVersionLib.inf
> @@ -0,0 +1,50 @@
> +## @file
> +#
> +# (C) Copyright 2022 Hewlett Packard Enterprise Development LP<BR> # #
> +SPDX-License-Identifier: BSD-2-Clause-Patent # ##
> +
> +[Defines]
> + INF_VERSION = 0x00010006
> + BASE_NAME = RedfishVersionLib
> + FILE_GUID = 396A7508-B611-49F7-9C81-DAD96B526B61
> + MODULE_TYPE = DXE_DRIVER
> + VERSION_STRING = 1.0
> + LIBRARY_CLASS = RedfishVersionLib| DXE_DRIVER
> + CONSTRUCTOR = RedfishVersionLibConstructor
> + DESTRUCTOR = RedfishVersionLibDestructor
> +
> +#
> +# VALID_ARCHITECTURES = IA32 X64 EBC
> +#
> +
> +[Sources]
> + RedfishVersionLib.c
> +
> +[Packages]
> + MdePkg/MdePkg.dec
> + MdeModulePkg/MdeModulePkg.dec
> + RedfishPkg/RedfishPkg.dec
> + RedfishClientPkg/RedfishClientPkg.dec
> +
> +[LibraryClasses]
> + BaseLib
> + DebugLib
> + MemoryAllocationLib
> + PcdLib
> + RedfishLib
> + JsonLib
> +
> +[Protocols]
> +
> +[Pcd]
> + gEfiRedfishClientPkgTokenSpaceGuid.PcdDefaultRedfishVersion
> +
> +[BuildOptions]
> + #
> + # NOTE: /wd4706 disables the following Visual Studio compiler warning in
> Jansson:
> + # "C4706: assignment within conditional expression"
> + #
> + MSFT:*_*_*_CC_FLAGS = /wd4706
> diff --git a/RedfishClientPkg/RedfishClientLibs.dsc.inc
> b/RedfishClientPkg/RedfishClientLibs.dsc.inc
> index ce1c27d884..1cf0406912 100644
> --- a/RedfishClientPkg/RedfishClientLibs.dsc.inc
> +++ b/RedfishClientPkg/RedfishClientLibs.dsc.inc
> @@ -29,3 +29,4 @@
>
> ConverterCommonLib|RedfishClientPkg/ConverterLib/edk2library/ConverterCo
> mmonLib/ConverterCommonLib.inf
>
> RedfishEventLib|RedfishClientPkg/Library/RedfishEventLib/RedfishEventLib.inf
> +
> + RedfishVersionLib|RedfishClientPkg/Library/RedfishVersionLib/RedfishVe
> + rsionLib.inf
> diff --git a/RedfishClientPkg/RedfishClientPkg.dec
> b/RedfishClientPkg/RedfishClientPkg.dec
> index 39b2f5baf8..2ce51d14af 100644
> --- a/RedfishClientPkg/RedfishClientPkg.dec
> +++ b/RedfishClientPkg/RedfishClientPkg.dec
> @@ -22,6 +22,7 @@
> [LibraryClasses]
> RedfishFeatureUtilityLib|Include/Library/RedfishFeatureUtilityLib.h
> RedfishEventLib|Include/Library/RedfishEventLib.h
> + RedfishVersionLib|Include/Library/RedfishVersionLib.h
>
> [LibraryClasses.Common.Private]
> ## @libraryclass Redfish Helper Library @@ -52,4 +53,5 @@
> # { 0x7CE88FB3, 0x4BD7, 0x4679, { 0x87, 0xA8, 0xA8, 0xD8, 0xDE, 0xE5, 0x0D,
> 0x2B }}
> #
>
> gEfiRedfishClientPkgTokenSpaceGuid.PcdEdkIIRedfishFeatureDriverStartupEvent
> Guid|{0xB3, 0x8F, 0xE8, 0x7C, 0xD7, 0x4B, 0x79, 0x46, 0x87, 0xA8, 0xA8, 0xD8,
> 0xDE, 0xE5, 0x0D, 0x2B}|VOID*|0x10000003
> -
> + ## Default Redfish version string
> +
> + gEfiRedfishClientPkgTokenSpaceGuid.PcdDefaultRedfishVersion|L"v1"|VOID
> + *|0x10000004
> --
> 2.32.0.windows.2
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