| /* |
| * Copyright 2018 The Hafnium Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "hf/spci.h" |
| #include "hf/std.h" |
| |
| #include "vmapi/hf/call.h" |
| |
| #include "test/hftest.h" |
| |
| TEST_SERVICE(echo) |
| { |
| /* Loop, echo messages back to the sender. */ |
| for (;;) { |
| struct spci_value ret = spci_msg_wait(); |
| spci_vm_id_t target_vm_id = spci_msg_send_receiver(ret); |
| spci_vm_id_t source_vm_id = spci_msg_send_sender(ret); |
| void *send_buf = SERVICE_SEND_BUFFER(); |
| void *recv_buf = SERVICE_RECV_BUFFER(); |
| |
| ASSERT_EQ(ret.func, SPCI_MSG_SEND_32); |
| memcpy_s(send_buf, SPCI_MSG_PAYLOAD_MAX, recv_buf, |
| spci_msg_send_size(ret)); |
| |
| EXPECT_EQ(spci_rx_release().func, SPCI_SUCCESS_32); |
| spci_msg_send(target_vm_id, source_vm_id, |
| spci_msg_send_size(ret), 0); |
| } |
| } |