| /* |
| * 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 "hftest.h" |
| |
| TEST_SERVICE(echo) |
| { |
| /* Loop, echo messages back to the sender. */ |
| for (;;) { |
| spci_msg_recv(SPCI_MSG_RECV_BLOCK); |
| struct spci_message *send_buf = SERVICE_SEND_BUFFER(); |
| struct spci_message *recv_buf = SERVICE_RECV_BUFFER(); |
| |
| memcpy_s(send_buf->payload, SPCI_MSG_PAYLOAD_MAX, |
| recv_buf->payload, recv_buf->length); |
| spci_message_init(SERVICE_SEND_BUFFER(), recv_buf->length, |
| recv_buf->source_vm_id, |
| recv_buf->target_vm_id); |
| |
| hf_mailbox_clear(); |
| spci_msg_send(0); |
| } |
| } |