xref: /llvm-project/libc/test/integration/startup/gpu/rpc_interface_test.cpp (revision 89614ceb401711d2389bac838d0059c95eadcfff)
1c8c19e1cSJoseph Huber //===-- Loader test to check the RPC interface with the loader ------------===//
2c8c19e1cSJoseph Huber //
3c8c19e1cSJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4c8c19e1cSJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
5c8c19e1cSJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6c8c19e1cSJoseph Huber //
7c8c19e1cSJoseph Huber //===----------------------------------------------------------------------===//
8c8c19e1cSJoseph Huber 
973aab2f6Slntue #include "include/llvm-libc-types/test_rpc_opcodes_t.h"
10c8c19e1cSJoseph Huber #include "src/__support/GPU/utils.h"
11c8c19e1cSJoseph Huber #include "src/__support/RPC/rpc_client.h"
12c8c19e1cSJoseph Huber #include "test/IntegrationTest/test.h"
13c8c19e1cSJoseph Huber 
14b6bc9d72SGuillaume Chatelet using namespace LIBC_NAMESPACE;
15c8c19e1cSJoseph Huber 
16c8c19e1cSJoseph Huber // Test to ensure that we can use aribtrary combinations of sends and recieves
17c8c19e1cSJoseph Huber // as long as they are mirrored.
18c8c19e1cSJoseph Huber static void test_interface(bool end_with_send) {
19c8c19e1cSJoseph Huber   uint64_t cnt = 0;
20*89614cebSJoseph Huber   LIBC_NAMESPACE::rpc::Client::Port port =
21*89614cebSJoseph Huber       LIBC_NAMESPACE::rpc::client.open<RPC_TEST_INTERFACE>();
22*89614cebSJoseph Huber   port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
23*89614cebSJoseph Huber     buffer->data[0] = end_with_send;
24*89614cebSJoseph Huber   });
25*89614cebSJoseph Huber   port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
26*89614cebSJoseph Huber     buffer->data[0] = cnt = cnt + 1;
27*89614cebSJoseph Huber   });
28*89614cebSJoseph Huber   port.recv([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
29*89614cebSJoseph Huber     cnt = buffer->data[0];
30*89614cebSJoseph Huber   });
31*89614cebSJoseph Huber   port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
32*89614cebSJoseph Huber     buffer->data[0] = cnt = cnt + 1;
33*89614cebSJoseph Huber   });
34*89614cebSJoseph Huber   port.recv([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
35*89614cebSJoseph Huber     cnt = buffer->data[0];
36*89614cebSJoseph Huber   });
37*89614cebSJoseph Huber   port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
38*89614cebSJoseph Huber     buffer->data[0] = cnt = cnt + 1;
39*89614cebSJoseph Huber   });
40*89614cebSJoseph Huber   port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
41*89614cebSJoseph Huber     buffer->data[0] = cnt = cnt + 1;
42*89614cebSJoseph Huber   });
43*89614cebSJoseph Huber   port.recv([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
44*89614cebSJoseph Huber     cnt = buffer->data[0];
45*89614cebSJoseph Huber   });
46*89614cebSJoseph Huber   port.recv([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
47*89614cebSJoseph Huber     cnt = buffer->data[0];
48*89614cebSJoseph Huber   });
49c8c19e1cSJoseph Huber   if (end_with_send)
50*89614cebSJoseph Huber     port.send([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
5108ed1999SJoseph Huber       buffer->data[0] = cnt = cnt + 1;
5208ed1999SJoseph Huber     });
53c8c19e1cSJoseph Huber   else
54*89614cebSJoseph Huber     port.recv([&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
55*89614cebSJoseph Huber       cnt = buffer->data[0];
56*89614cebSJoseph Huber     });
57c8c19e1cSJoseph Huber   port.close();
58c8c19e1cSJoseph Huber 
59c8c19e1cSJoseph Huber   ASSERT_TRUE(cnt == 9 && "Invalid number of increments");
60c8c19e1cSJoseph Huber }
61c8c19e1cSJoseph Huber 
62c8c19e1cSJoseph Huber TEST_MAIN(int argc, char **argv, char **envp) {
63c8c19e1cSJoseph Huber   test_interface(true);
64c8c19e1cSJoseph Huber   test_interface(false);
65c8c19e1cSJoseph Huber 
66c8c19e1cSJoseph Huber   return 0;
67c8c19e1cSJoseph Huber }
68