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diff --git a/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Arm/SbbrValidator.h b/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Arm/SbbrValidator.h
new file mode 100644
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+++ b/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Arm/SbbrValidator.h
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+/** @file
+  Header file for SbbrValidator.c
+
+  Copyright (c) 2020, ARM Limited. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Glossary:
+    - Sbbr or SBBR   - Server Base Boot Requirements
+    - Sbsa or SBSA   - Server Base System Architecture
+
+  @par Reference(s):
+    - Arm Server Base Boot Requirements 1.2, September 2019
+    - Arm Server Base Boot Requirements 1.1, May 2018
+    - Arm Server Base Boot Requirements 1.0, March 2016
+    - Arm Server Base System Architecture 6.0
+**/
+
+#ifndef SBBR_VALIDATOR_H_
+#define SBBR_VALIDATOR_H_
+
+#include <IndustryStandard/Acpi.h>
+
+/**
+  Arm SBBR specification versions.
+**/
+typedef enum {
+  ArmSbbrVersion_1_0    = 0,
+  ArmSbbrVersion_1_1    = 1,
+  ArmSbbrVersion_1_2    = 2,
+  ArmSbbrVersionMax     = 3
+} ARM_SBBR_VERSION;
+
+/**
+  The ACPI table instance counter.
+**/
+typedef struct AcpiTableCounter {
+  CONST UINT32  Signature;        /// ACPI table signature
+  UINT32        Count;            /// Instance count
+} ACPI_TABLE_COUNTER;
+
+/**
+  ACPI table SBBR requirements.
+**/
+typedef struct AcpiSbbrReq {
+  CONST UINT32* Tables;          /// List of required tables
+  CONST UINT32  TableCount;      /// Number of elements in Tables
+} ACPI_SBBR_REQ;
+
+/**
+  Reset the platform ACPI table instance count for all SBBR-mandatory tables.
+**/
+VOID
+EFIAPI
+ArmSbbrResetTableCounts (
+  VOID
+  );
+
+/**
+  Increment instance count for SBBR-mandatory ACPI table with the given
+  signature.
+
+  @param [in]  Signature        ACPI table signature.
+
+  @retval TRUE      Count incremented successfully.
+  @retval FALSE     Table with the input signature not found.
+**/
+BOOLEAN
+EFIAPI
+ArmSbbrIncrementTableCount (
+  UINT32 Signature
+  );
+
+/**
+  Validate that all ACPI tables required by the given SBBR specification
+  version are installed on the platform.
+
+  @param [in]  Version      SBBR spec version to validate against.
+
+  @retval EFI_SUCCESS             All required tables are present.
+  @retval EFI_INVALID_PARAMETER   Invalid SBBR version.
+  @retval EFI_NOT_FOUND           One or more mandatory tables are missing.
+  @retval EFI_UNSUPPORTED         Mandatory ACPI table does not have its
+                                  instance count tracked.
+**/
+EFI_STATUS
+EFIAPI
+ArmSbbrReqsValidate (
+  ARM_SBBR_VERSION Version
+  );
+
+#endif // SBBR_VALIDATOR_H_