RedfishPkg/PlatformHostInterfaceLib: Platform NULL lib

NULL instance of PlatformHostInterfaceLib.

Signed-off-by: Abner Chang <abner.chang@hpe.com>

Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Fan Wang <fan.wang@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Nickle Wang <nickle.wang@hpe.com>
Reviewed-by: Nickle Wang <nickle.wang@hpe.com>

RedfishPkg/Library/PlatformHostInterfaceLibNull/PlatformHostInterfaceLibNull.c

@@ -0,0 +1,52 @@
+/** @file
+  NULL instace of RedfishPlatformHostInterfaceLib
+
+  (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/RedfishHostInterfaceLib.h>
+#include <Library/UefiLib.h>
+
+/**
+  Get platform Redfish host interface device descriptor.
+
+  @param[in] DeviceType         Pointer to retrieve device type.
+  @param[out] DeviceDescriptor  Pointer to retrieve REDFISH_INTERFACE_DATA, caller has to free
+                                this memory using FreePool().
+
+  @retval EFI_NOT_FOUND   No Redfish host interface descriptor provided on this platform.
+
+**/
+EFI_STATUS
+RedfishPlatformHostInterfaceDeviceDescriptor (
+  IN UINT8 *DeviceType,
+  OUT REDFISH_INTERFACE_DATA  **DeviceDescriptor
+)
+{
+  return EFI_NOT_FOUND;
+}
+/**
+  Get platform Redfish host interface protocol data.
+  Caller should pass NULL in ProtocolRecord to retrive the first protocol record.
+  Then continuously pass previous ProtocolRecord for retrieving the next ProtocolRecord.
+
+  @param[in, out] ProtocolRecord  Pointer to retrieve the first or the next protocol record.
+                                  caller has to free the new protocol record returned from
+                                  this function using FreePool().
+  @param[in] IndexOfProtocolData  The index of protocol data.
+
+  @retval EFI_NOT_FOUND   No more protocol records.
+
+**/
+EFI_STATUS
+RedfishPlatformHostInterfaceProtocolData (
+  IN OUT MC_HOST_INTERFACE_PROTOCOL_RECORD **ProtocolRecord,
+  IN UINT8  IndexOfProtocolData
+)
+{
+  return EFI_NOT_FOUND;
+}