diff --git a/CHANGELOG.md b/CHANGELOG.md
index 529746d..96ee811 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 4. pdr: Add pldm_entity_association_pdr_remove_contained_entity()
 5. pdr: Add pldm_pdr_remove_fru_record_set_by_rsi()
 6. pldm_entity_association_tree_copy_root_check()
+7. oem: ibm: Add topology related state set and enum
 
 7. base: Add size and buffer macros for struct pldm_msg
 
diff --git a/include/libpldm/oem/ibm/state_set.h b/include/libpldm/oem/ibm/state_set.h
index 9ac916e..ba76a3b 100644
--- a/include/libpldm/oem/ibm/state_set.h
+++ b/include/libpldm/oem/ibm/state_set.h
@@ -16,6 +16,7 @@
 	PLDM_OEM_IBM_PCIE_SLOT_EFFECTER_STATE = 32773,
 	PLDM_OEM_IBM_PCIE_SLOT_SENSOR_STATE = 32774,
 	PLDM_OEM_IBM_SBE_HRESET_STATE = 32776,
+	PLDM_OEM_IBM_PCIE_TOPOLOGY_ACTIONS = 32781,
 };
 
 enum pldm_oem_ibm_pcie_slot_effecter_state {
@@ -67,6 +68,12 @@
 	SBE_HRESET_FAILED = 0x3,
 };
 
+enum pldm_oem_ibm_pcie_topology_actions {
+	PLDM_OEM_IBM_PCIE_TOPOLOGY_GET_PCIE_TOPOLOGY = 0x1,
+	PLDM_OEM_IBM_PCIE_TOPOLOGY_GET_CABLE_INFO = 0x2,
+	PLDM_OEM_IBM_PCIE_TOPOLOGY_SAVE_PCIE_TOPLOGY = 0x3,
+};
+
 #ifdef __cplusplus
 }
 #endif