OEM-IBM: Implement encode & decode APIs for NewFileAvailableWithMetaData.

This commit implements requester and responder flow for
NewFileAvailableWithMetaData.
Tested: Unit tests passed.

Change-Id: I3dbcdd354a9e89529125125333aa413c733daf3c
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/oem/ibm/libpldm/file_io.c b/oem/ibm/libpldm/file_io.c
index 6c045a9..fae3a9c 100644
--- a/oem/ibm/libpldm/file_io.c
+++ b/oem/ibm/libpldm/file_io.c
@@ -942,3 +942,115 @@
 
 	return PLDM_SUCCESS;
 }
+
+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, uint32_t file_meta_data_2,
+    uint32_t file_meta_data_3, uint32_t file_meta_data_4, struct pldm_msg *msg)
+{
+	if (msg == NULL) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	struct pldm_header_info header = {0};
+	header.msg_type = PLDM_REQUEST;
+	header.instance = instance_id;
+	header.pldm_type = PLDM_OEM;
+	header.command = PLDM_NEW_FILE_AVAILABLE_WITH_META_DATA;
+	uint8_t rc = pack_pldm_header(&header, &(msg->hdr));
+	if (rc != PLDM_SUCCESS) {
+		return rc;
+	}
+
+	struct pldm_new_file_with_metadata_req *req =
+	    (struct pldm_new_file_with_metadata_req *)msg->payload;
+	req->file_type = htole16(file_type);
+	req->file_handle = htole32(file_handle);
+	req->length = htole64(length);
+	req->file_meta_data_1 = htole32(file_meta_data_1);
+	req->file_meta_data_2 = htole32(file_meta_data_2);
+	req->file_meta_data_3 = htole32(file_meta_data_3);
+	req->file_meta_data_4 = htole32(file_meta_data_4);
+
+	return PLDM_SUCCESS;
+}
+
+int decode_new_file_with_metadata_resp(const struct pldm_msg *msg,
+				       size_t payload_length,
+				       uint8_t *completion_code)
+{
+	if (msg == NULL || completion_code == NULL) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	if (payload_length !=
+	    PLDM_NEW_FILE_AVAILABLE_WITH_META_DATA_RESP_BYTES) {
+		return PLDM_ERROR_INVALID_LENGTH;
+	}
+
+	struct pldm_new_file_with_metadata_resp *response =
+	    (struct pldm_new_file_with_metadata_resp *)msg->payload;
+
+	*completion_code = msg->payload[0];
+	if (*completion_code == PLDM_SUCCESS) {
+		*completion_code = response->completion_code;
+	}
+	return PLDM_SUCCESS;
+}
+
+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,
+    uint32_t *file_meta_data_2, uint32_t *file_meta_data_3,
+    uint32_t *file_meta_data_4)
+{
+	if (msg == NULL || file_type == NULL || file_handle == NULL ||
+	    length == NULL) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	if (payload_length !=
+	    PLDM_NEW_FILE_AVAILABLE_WITH_META_DATA_REQ_BYTES) {
+		return PLDM_ERROR_INVALID_LENGTH;
+	}
+
+	struct pldm_new_file_with_metadata_req *request =
+	    (struct pldm_new_file_with_metadata_req *)msg->payload;
+	*file_type = le16toh(request->file_type);
+	*file_handle = le32toh(request->file_handle);
+	*length = le64toh(request->length);
+	*file_meta_data_1 = le32toh(request->file_meta_data_1);
+	*file_meta_data_2 = le32toh(request->file_meta_data_2);
+	*file_meta_data_3 = le32toh(request->file_meta_data_3);
+	*file_meta_data_4 = le32toh(request->file_meta_data_4);
+
+	return PLDM_SUCCESS;
+}
+
+int encode_new_file_with_metadata_resp(uint8_t instance_id,
+				       uint8_t completion_code,
+				       struct pldm_msg *msg)
+{
+	if (msg == NULL) {
+		return PLDM_ERROR_INVALID_DATA;
+	}
+
+	struct pldm_header_info header = {0};
+	header.msg_type = PLDM_RESPONSE;
+	header.instance = instance_id;
+	header.pldm_type = PLDM_OEM;
+	header.command = PLDM_NEW_FILE_AVAILABLE_WITH_META_DATA;
+	uint8_t rc = pack_pldm_header(&header, &(msg->hdr));
+	if (rc != PLDM_SUCCESS) {
+		return rc;
+	}
+
+	struct pldm_new_file_with_metadata_resp *response =
+	    (struct pldm_new_file_with_metadata_resp *)msg->payload;
+
+	if (response->completion_code == PLDM_SUCCESS) {
+		response->completion_code = completion_code;
+	}
+
+	return PLDM_SUCCESS;
+}