diff --git a/src/oem/ibm/file_io.c b/src/oem/ibm/file_io.c
index 10af817..01d3e43 100644
--- a/src/oem/ibm/file_io.c
+++ b/src/oem/ibm/file_io.c
@@ -1,8 +1,10 @@
+#include "config.h"
 #include "libpldm/file_io.h"
 #include "base.h"
 #include <endian.h>
 #include <string.h>
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_memory_req(const struct pldm_msg *msg, size_t payload_length,
 			      uint32_t *file_handle, uint32_t *offset,
 			      uint32_t *length, uint64_t *address)
@@ -27,6 +29,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_memory_resp(uint8_t instance_id, uint8_t command,
 			       uint8_t completion_code, uint32_t length,
 			       struct pldm_msg *msg)
@@ -55,6 +58,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_memory_req(uint8_t instance_id, uint8_t command,
 			      uint32_t file_handle, uint32_t offset,
 			      uint32_t length, uint64_t address,
@@ -83,6 +87,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_memory_resp(const struct pldm_msg *msg,
 			       size_t payload_length, uint8_t *completion_code,
 			       uint32_t *length)
@@ -105,6 +110,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_get_file_table_req(const struct pldm_msg *msg, size_t payload_length,
 			      uint32_t *transfer_handle,
 			      uint8_t *transfer_opflag, uint8_t *table_type)
@@ -128,6 +134,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_get_file_table_resp(uint8_t instance_id, uint8_t completion_code,
 			       uint32_t next_transfer_handle,
 			       uint8_t transfer_flag, const uint8_t *table_data,
@@ -160,6 +167,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_get_file_table_req(uint8_t instance_id, uint32_t transfer_handle,
 			      uint8_t transfer_opflag, uint8_t table_type,
 			      struct pldm_msg *msg)
@@ -187,6 +195,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_get_file_table_resp(const struct pldm_msg *msg,
 			       size_t payload_length, uint8_t *completion_code,
 			       uint32_t *next_transfer_handle,
@@ -224,6 +233,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_read_file_req(const struct pldm_msg *msg, size_t payload_length,
 			 uint32_t *file_handle, uint32_t *offset,
 			 uint32_t *length)
@@ -247,6 +257,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_read_file_req(uint8_t instance_id, uint32_t file_handle,
 			 uint32_t offset, uint32_t length, struct pldm_msg *msg)
 {
@@ -278,6 +289,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_read_file_resp(const struct pldm_msg *msg, size_t payload_length,
 			  uint8_t *completion_code, uint32_t *length,
 			  size_t *file_data_offset)
@@ -305,6 +317,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_read_file_resp(uint8_t instance_id, uint8_t completion_code,
 			  uint32_t length, struct pldm_msg *msg)
 {
@@ -333,6 +346,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_write_file_req(const struct pldm_msg *msg, size_t payload_length,
 			  uint32_t *file_handle, uint32_t *offset,
 			  uint32_t *length, size_t *file_data_offset)
@@ -360,6 +374,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_write_file_req(uint8_t instance_id, uint32_t file_handle,
 			  uint32_t offset, uint32_t length,
 			  struct pldm_msg *msg)
@@ -392,6 +407,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_write_file_resp(const struct pldm_msg *msg, size_t payload_length,
 			   uint8_t *completion_code, uint32_t *length)
 {
@@ -414,6 +430,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_write_file_resp(uint8_t instance_id, uint8_t completion_code,
 			   uint32_t length, struct pldm_msg *msg)
 {
@@ -442,6 +459,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_by_type_memory_req(const struct pldm_msg *msg,
 				      size_t payload_length,
 				      uint16_t *file_type,
@@ -468,6 +486,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_by_type_memory_resp(uint8_t instance_id, uint8_t command,
 				       uint8_t completion_code, uint32_t length,
 				       struct pldm_msg *msg)
@@ -496,6 +515,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_by_type_memory_req(uint8_t instance_id, uint8_t command,
 				      uint16_t file_type, uint32_t file_handle,
 				      uint32_t offset, uint32_t length,
@@ -526,6 +546,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_by_type_memory_resp(const struct pldm_msg *msg,
 				       size_t payload_length,
 				       uint8_t *completion_code,
@@ -549,6 +570,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_new_file_req(const struct pldm_msg *msg, size_t payload_length,
 			uint16_t *file_type, uint32_t *file_handle,
 			uint64_t *length)
@@ -571,6 +593,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_new_file_resp(uint8_t instance_id, uint8_t completion_code,
 			 struct pldm_msg *msg)
 {
@@ -595,6 +618,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_new_file_req(uint8_t instance_id, uint16_t file_type,
 			uint32_t file_handle, uint64_t length,
 			struct pldm_msg *msg)
@@ -622,6 +646,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_new_file_resp(const struct pldm_msg *msg, size_t payload_length,
 			 uint8_t *completion_code)
 {
@@ -640,6 +665,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_by_type_req(const struct pldm_msg *msg,
 			       size_t payload_length, uint16_t *file_type,
 			       uint32_t *file_handle, uint32_t *offset,
@@ -664,6 +690,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_by_type_resp(uint8_t instance_id, uint8_t command,
 				uint8_t completion_code, uint32_t length,
 				struct pldm_msg *msg)
@@ -696,6 +723,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_rw_file_by_type_req(uint8_t instance_id, uint8_t command,
 			       uint16_t file_type, uint32_t file_handle,
 			       uint32_t offset, uint32_t length,
@@ -729,6 +757,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_rw_file_by_type_resp(const struct pldm_msg *msg,
 				size_t payload_length, uint8_t *completion_code,
 				uint32_t *length)
@@ -751,6 +780,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_file_ack_req(const struct pldm_msg *msg, size_t payload_length,
 			uint16_t *file_type, uint32_t *file_handle,
 			uint8_t *file_status)
@@ -772,6 +802,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_file_ack_resp(uint8_t instance_id, uint8_t completion_code,
 			 struct pldm_msg *msg)
 {
@@ -796,6 +827,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_file_ack_req(uint8_t instance_id, uint16_t file_type,
 			uint32_t file_handle, uint8_t file_status,
 			struct pldm_msg *msg)
@@ -823,6 +855,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_file_ack_resp(const struct pldm_msg *msg, size_t payload_length,
 			 uint8_t *completion_code)
 {
@@ -841,6 +874,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_file_ack_with_meta_data_req(
 	uint8_t instance_id, uint16_t file_type, uint32_t file_handle,
 	uint8_t file_status, uint32_t file_meta_data_1,
@@ -874,6 +908,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_file_ack_with_meta_data_resp(const struct pldm_msg *msg,
 					size_t payload_length,
 					uint8_t *completion_code)
@@ -893,6 +928,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_file_ack_with_meta_data_req(
 	const struct pldm_msg *msg, size_t payload_length, uint16_t *file_type,
 	uint32_t *file_handle, uint8_t *file_status, uint32_t *file_meta_data_1,
@@ -920,6 +956,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_file_ack_with_meta_data_resp(uint8_t instance_id,
 					uint8_t completion_code,
 					struct pldm_msg *msg)
@@ -945,6 +982,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_new_file_with_metadata_req(uint8_t instance_id, uint16_t file_type,
 				      uint32_t file_handle, uint64_t length,
 				      uint32_t file_meta_data_1,
@@ -980,6 +1018,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_new_file_with_metadata_resp(const struct pldm_msg *msg,
 				       size_t payload_length,
 				       uint8_t *completion_code)
@@ -1003,6 +1042,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_new_file_with_metadata_req(
 	const struct pldm_msg *msg, size_t payload_length, uint16_t *file_type,
 	uint32_t *file_handle, uint64_t *length, uint32_t *file_meta_data_1,
@@ -1032,6 +1072,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_new_file_with_metadata_resp(uint8_t instance_id,
 				       uint8_t completion_code,
 				       struct pldm_msg *msg)
diff --git a/src/oem/ibm/host.c b/src/oem/ibm/host.c
index 6534e5b..d2c297a 100644
--- a/src/oem/ibm/host.c
+++ b/src/oem/ibm/host.c
@@ -1,3 +1,4 @@
+#include "config.h"
 #include "base.h"
 #include <endian.h>
 #include <stdint.h>
@@ -5,6 +6,7 @@
 
 #include "libpldm/host.h"
 
+LIBPLDM_ABI_STABLE
 int encode_get_alert_status_req(uint8_t instance_id, uint8_t version_id,
 				struct pldm_msg *msg, size_t payload_length)
 {
@@ -31,6 +33,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_get_alert_status_resp(const struct pldm_msg *msg,
 				 size_t payload_length,
 				 uint8_t *completion_code, uint32_t *rack_entry,
@@ -59,6 +62,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int decode_get_alert_status_req(const struct pldm_msg *msg,
 				size_t payload_length, uint8_t *version_id)
 {
@@ -75,6 +79,7 @@
 	return PLDM_SUCCESS;
 }
 
+LIBPLDM_ABI_STABLE
 int encode_get_alert_status_resp(uint8_t instance_id, uint8_t completion_code,
 				 uint32_t rack_entry, uint32_t pri_cec_node,
 				 struct pldm_msg *msg, size_t payload_length)
diff --git a/src/oem/ibm/platform.c b/src/oem/ibm/platform.c
index 9f68bce..ab18671 100644
--- a/src/oem/ibm/platform.c
+++ b/src/oem/ibm/platform.c
@@ -1,7 +1,9 @@
+#include "config.h"
 #include "libpldm/platform.h"
 #include "libpldm/platform_oem_ibm.h"
 #include <string.h>
 
+LIBPLDM_ABI_STABLE
 int encode_bios_attribute_update_event_req(uint8_t instance_id,
 					   uint8_t format_version, uint8_t tid,
 					   uint8_t num_handles,