1//===-- Loader test to check the RPC streaming interface with the loader --===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
10#include "src/__support/GPU/utils.h"
11#include "src/__support/RPC/rpc_client.h"
12#include "src/__support/integer_to_string.h"
13#include "src/string/memory_utils/inline_memcmp.h"
14#include "src/string/memory_utils/inline_memcpy.h"
15#include "src/string/memory_utils/inline_memset.h"
16#include "src/string/string_utils.h"
17#include "test/IntegrationTest/test.h"
18
19extern "C" void *malloc(uint64_t);
20extern "C" void free(void *);
21
22using namespace LIBC_NAMESPACE;
23
24static void test_stream() {
25 static const char str[] =
26 "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy"
27 "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy"
28 "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy"
29 "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy"
30 "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxy";
31 uint64_t send_size = sizeof(str);
32 void *send_ptr = malloc(send_size);
33 void *recv_ptr;
34 uint64_t recv_size;
35
36 inline_memcpy(send_ptr, str, send_size);
37 ASSERT_TRUE(inline_memcmp(send_ptr, str, send_size) == 0 && "Data mismatch");
38 LIBC_NAMESPACE::rpc::Client::Port port =
39 LIBC_NAMESPACE::rpc::client.open<RPC_TEST_STREAM>();
40 port.send_n(send_ptr, send_size);
41 port.recv_n(&recv_ptr, &recv_size,
42 [](uint64_t size) { return malloc(size); });
43 port.close();
44 ASSERT_TRUE(inline_memcmp(recv_ptr, str, recv_size) == 0 && "Data mismatch");
45 ASSERT_TRUE(recv_size == send_size && "Data size mismatch");
46
47 free(send_ptr);
48 free(recv_ptr);
49}
50
51static void test_divergent() {
52 static const uint8_t data[] = {
53 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
54 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
55 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
56 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
57 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
58 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
59 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104,
60 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
61 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
62 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
63 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164,
64 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
65 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194,
66 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
67 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224,
68 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
69 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
70 255,
71 };
72
73 uint8_t buffer[128] = {0};
74 uint64_t offset =
75 (gpu::get_thread_id() + gpu::get_num_threads() * gpu::get_block_id()) %
76 128;
77 void *recv_ptr;
78 uint64_t recv_size;
79 inline_memcpy(buffer, &data[offset], offset);
80 ASSERT_TRUE(inline_memcmp(buffer, &data[offset], offset) == 0 &&
81 "Data mismatch");
82 LIBC_NAMESPACE::rpc::Client::Port port =
83 LIBC_NAMESPACE::rpc::client.open<RPC_TEST_STREAM>();
84 port.send_n(buffer, offset);
85 inline_memset(buffer, 0, offset);
86 port.recv_n(&recv_ptr, &recv_size, [&](uint64_t) { return buffer; });
87 port.close();
88
89 ASSERT_TRUE(inline_memcmp(recv_ptr, &data[offset], recv_size) == 0 &&
90 "Data mismatch");
91 ASSERT_TRUE(recv_size == offset && "Data size mismatch");
92}
93
94TEST_MAIN(int argc, char **argv, char **envp) {
95 test_stream();
96 test_divergent();
97
98 return 0;
99}
100

source code of libc/test/integration/startup/gpu/rpc_stream_test.cpp