1 files changed, 58 insertions, 0 deletions
diff --git a/DynamicTablesPkg/Include/Library/CmObjHelperLib.h b/DynamicTablesPkg/Include/Library/CmObjHelperLib.h
new file mode 100644
index 0000000..96cc175
--- /dev/null
+++ b/DynamicTablesPkg/Include/Library/CmObjHelperLib.h
@@ -0,0 +1,58 @@
+/** @file
+  Configuration Manager Helper Library.
+
+  Copyright (c) 2025, Arm Limited. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef CM_OBJ_HELPER_LIB_H_
+#define CM_OBJ_HELPER_LIB_H_
+
+/** Check if an ACPI table is present in the Configuration manager's ACPI table list.
+
+  @param [in]  CfgMgrProtocol         Pointer to the Configuration Manager
+                                      Protocol Interface.
+  @param [in]  AcpiTableId            Acpi Table Id.
+
+  @retval TRUE if the ACPI table is in the list of ACPI tables to install.
+          FALSE otherwise.
+**/
+BOOLEAN
+EFIAPI
+CheckAcpiTablePresent (
+  IN  CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CONST  CfgMgrProtocol,
+  IN        ESTD_ACPI_TABLE_ID                            AcpiTableId
+  );
+
+/** Get a Proximity Domain Id.
+
+  Proximity Domain Id are now to be placed in
+  CM_ARCH_COMMON_PROXIMITY_DOMAIN_INFO objects rather than in the various
+  CmObj using them. This function handles the logic in the selection
+  of the ProximityDomainId to use.
+
+  Proximity Domain Id should be preferably placed in
+  CM_ARCH_COMMON_PROXIMITY_DOMAIN_INFO objects now.
+
+  @param [in]  CfgMgrProtocol   Pointer to the Configuration Manager
+                                Protocol Interface.
+  @param [in]  DefaultDomainId  Default per-CmObj Proximity Domain Id.
+                                The CM_ARCH_COMMON_PROXIMITY_DOMAIN_INFO
+                                should be preferably used.
+  @param [in]  Token            Token referencing a
+                                CM_ARCH_COMMON_PROXIMITY_DOMAIN_INFO object.
+  @param [out] DomainId         If Success, contains DomainId to use.
+
+  @retval EFI_SUCCESS           Table generated successfully.
+  @retval EFI_INVALID_PARAMETER The table pointer is NULL or invalid.
+**/
+EFI_STATUS
+EFIAPI
+GetProximityDomainId (
+  IN CONST  EDKII_CONFIGURATION_MANAGER_PROTOCOL  *CfgMgrProtocol,
+  IN        UINT32                                DefaultDomainId,
+  IN        CM_OBJECT_TOKEN                       Token,
+  OUT       UINT32                                *DomainId
+  );
+
+#endif // CM_OBJ_HELPER_LIB_H_