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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 | /* * Copyright (c) 2016 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <ztest.h> #define STACK_SIZE (1024 + CONFIG_TEST_EXTRA_STACKSIZE) #define PIPE_LEN (4 * _MPOOL_MINBLK) #define BYTES_TO_WRITE _MPOOL_MINBLK #define BYTES_TO_READ BYTES_TO_WRITE K_MEM_POOL_DEFINE(mpool, BYTES_TO_WRITE, PIPE_LEN, 1, 4); static ZTEST_DMEM unsigned char __aligned(4) data[] = "abcd1234$%^&PIPEefgh5678!/?*EPIPijkl9012[]<>PEPImnop3456{}()IPEP"; BUILD_ASSERT(sizeof(data) >= PIPE_LEN); /**TESTPOINT: init via K_PIPE_DEFINE*/ K_PIPE_DEFINE(kpipe, PIPE_LEN, 4); K_PIPE_DEFINE(khalfpipe, (PIPE_LEN / 2), 4); K_PIPE_DEFINE(kpipe1, PIPE_LEN, 4); K_PIPE_DEFINE(pipe_test_alloc, PIPE_LEN, 4); struct k_pipe pipe; K_THREAD_STACK_DEFINE(tstack, STACK_SIZE); K_THREAD_STACK_DEFINE(tstack1, STACK_SIZE); K_THREAD_STACK_DEFINE(tstack2, STACK_SIZE); struct k_thread tdata; struct k_thread tdata1; struct k_thread tdata2; K_SEM_DEFINE(end_sema, 0, 1); /* By design, only two blocks. We should never need more than that, one * to allocate the pipe object, one for its buffer. Both should be auto- * released when the thread exits */ #ifdef CONFIG_64BIT #define SZ 256 #else #define SZ 128 #endif K_MEM_POOL_DEFINE(test_pool, SZ, SZ, 4, 4); static void tpipe_put(struct k_pipe *ppipe, int timeout) { size_t to_wt, wt_byte = 0; for (int i = 0; i < PIPE_LEN; i += wt_byte) { /**TESTPOINT: pipe put*/ to_wt = (PIPE_LEN - i) >= BYTES_TO_WRITE ? BYTES_TO_WRITE : (PIPE_LEN - i); zassert_false(k_pipe_put(ppipe, &data[i], to_wt, &wt_byte, 1, timeout), NULL); zassert_true(wt_byte == to_wt || wt_byte == 1, NULL); } } static void tpipe_block_put(struct k_pipe *ppipe, struct k_sem *sema, int timeout) { struct k_mem_block block; for (int i = 0; i < PIPE_LEN; i += BYTES_TO_WRITE) { /**TESTPOINT: pipe block put*/ zassert_equal(k_mem_pool_alloc(&mpool, &block, BYTES_TO_WRITE, timeout), 0, NULL); memcpy(block.data, &data[i], BYTES_TO_WRITE); k_pipe_block_put(ppipe, &block, BYTES_TO_WRITE, sema); if (sema) { k_sem_take(sema, K_FOREVER); } } } static void tpipe_get(struct k_pipe *ppipe, int timeout) { unsigned char rx_data[PIPE_LEN]; size_t to_rd, rd_byte = 0; /*get pipe data from "pipe_put"*/ for (int i = 0; i < PIPE_LEN; i += rd_byte) { /**TESTPOINT: pipe get*/ to_rd = (PIPE_LEN - i) >= BYTES_TO_READ ? BYTES_TO_READ : (PIPE_LEN - i); zassert_false(k_pipe_get(ppipe, &rx_data[i], to_rd, &rd_byte, 1, timeout), NULL); zassert_true(rd_byte == to_rd || rd_byte == 1, NULL); } for (int i = 0; i < PIPE_LEN; i++) { zassert_equal(rx_data[i], data[i], NULL); } } static void tThread_entry(void *p1, void *p2, void *p3) { tpipe_get((struct k_pipe *)p1, K_FOREVER); k_sem_give(&end_sema); tpipe_put((struct k_pipe *)p1, K_NO_WAIT); k_sem_give(&end_sema); } static void tThread_block_put(void *p1, void *p2, void *p3) { tpipe_block_put((struct k_pipe *)p1, (struct k_sem *)p2, K_NO_WAIT); k_sem_give(&end_sema); } static void tpipe_thread_thread(struct k_pipe *ppipe) { /**TESTPOINT: thread-thread data passing via pipe*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_entry, ppipe, NULL, NULL, K_PRIO_PREEMPT(0), K_INHERIT_PERMS | K_USER, K_NO_WAIT); tpipe_put(ppipe, K_NO_WAIT); k_sem_take(&end_sema, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); tpipe_get(ppipe, K_FOREVER); /* clear the spawned thread avoid side effect */ k_thread_abort(tid); } static void tpipe_kthread_to_kthread(struct k_pipe *ppipe) { /**TESTPOINT: thread-thread data passing via pipe*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_entry, ppipe, NULL, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); tpipe_put(ppipe, K_NO_WAIT); k_sem_take(&end_sema, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); tpipe_get(ppipe, K_FOREVER); /* clear the spawned thread avoid side effect */ k_thread_abort(tid); } static void tpipe_put_no_wait(struct k_pipe *ppipe) { size_t to_wt, wt_byte = 0; for (int i = 0; i < PIPE_LEN; i += wt_byte) { /**TESTPOINT: pipe put*/ to_wt = (PIPE_LEN - i) >= BYTES_TO_WRITE ? BYTES_TO_WRITE : (PIPE_LEN - i); zassert_false(k_pipe_put(ppipe, &data[i], to_wt, &wt_byte, 1, K_NO_WAIT), NULL); zassert_true(wt_byte == to_wt || wt_byte == 1, NULL); } } static void thread_handler(void *p1, void *p2, void *p3) { tpipe_put_no_wait((struct k_pipe *)p1); k_sem_give(&end_sema); } static void thread_for_block_put(void *p1, void *p2, void *p3) { tpipe_block_put((struct k_pipe *)p1, (struct k_sem *)p2, K_FOREVER); } /** * @addtogroup kernel_pipe_tests * @{ */ /** * @brief Test pipe data passing between threads * @see k_pipe_init(), k_pipe_put(), #K_PIPE_DEFINE(x) */ void test_pipe_thread2thread(void) { /**TESTPOINT: test k_pipe_init pipe*/ k_pipe_init(&pipe, data, PIPE_LEN); tpipe_thread_thread(&pipe); /**TESTPOINT: test K_PIPE_DEFINE pipe*/ tpipe_thread_thread(&kpipe); } #ifdef CONFIG_USERSPACE /** * @brief Test data passing using pipes between user threads * @see k_pipe_init(), k_pipe_put(), #K_PIPE_DEFINE(x) */ void test_pipe_user_thread2thread(void) { /**TESTPOINT: test k_pipe_init pipe*/ struct k_pipe *p = k_object_alloc(K_OBJ_PIPE); zassert_true(p != NULL, NULL); zassert_false(k_pipe_alloc_init(p, PIPE_LEN), NULL); tpipe_thread_thread(&pipe); /**TESTPOINT: test K_PIPE_DEFINE pipe*/ tpipe_thread_thread(&kpipe); } #endif /** * @brief Test pipe put of blocks * @see k_pipe_block_put() */ void test_pipe_block_put(void) { /**TESTPOINT: test k_pipe_block_put without semaphore*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_block_put, &kpipe, NULL, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); k_sleep(K_MSEC(10)); tpipe_get(&kpipe, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); k_thread_abort(tid); } /** * @brief Test pipe block put with semaphore * @see k_pipe_block_put() */ void test_pipe_block_put_sema(void) { struct k_sem sync_sema; k_sem_init(&sync_sema, 0, 1); /**TESTPOINT: test k_pipe_block_put with semaphore*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_block_put, &pipe, &sync_sema, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); k_sleep(K_MSEC(10)); tpipe_get(&pipe, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); k_thread_abort(tid); } /** * @brief Test pipe get and put * @see k_pipe_put(), k_pipe_get() */ void test_pipe_get_put(void) { /**TESTPOINT: test API sequence: [get, put]*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_block_put, &kpipe, NULL, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); /*get will be executed previous to put*/ tpipe_get(&kpipe, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); k_thread_abort(tid); } /** * @brief Test resource pool free * @see k_mem_pool_malloc() */ #ifdef CONFIG_USERSPACE void test_resource_pool_auto_free(void) { /* Pool has 2 blocks, both should succeed if kernel object and pipe * buffer are auto-freed when the allocating threads exit */ zassert_true(k_mem_pool_malloc(&test_pool, 64) != NULL, NULL); zassert_true(k_mem_pool_malloc(&test_pool, 64) != NULL, NULL); } #endif static void tThread_half_pipe_put(void *p1, void *p2, void *p3) { tpipe_put((struct k_pipe *)p1, K_FOREVER); } static void tThread_half_pipe_block_put(void *p1, void *p2, void *p3) { tpipe_block_put((struct k_pipe *)p1, (struct k_sem *)p2, K_FOREVER); } /** * @brief Test get/put with smaller pipe buffer * @see k_pipe_put(), k_pipe_get() */ void test_half_pipe_get_put(void) { /**TESTPOINT: thread-thread data passing via pipe*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_half_pipe_put, &khalfpipe, NULL, NULL, K_PRIO_PREEMPT(0), K_INHERIT_PERMS | K_USER, K_NO_WAIT); tpipe_get(&khalfpipe, K_FOREVER); /* clear the spawned thread avoid side effect */ k_thread_abort(tid); } /** * @brief Test get/put with saturating smaller pipe buffer * @see k_pipe_put(), k_pipe_get() */ void test_half_pipe_saturating_block_put(void) { int r[3]; struct k_mem_block blocks[3]; /**TESTPOINT: thread-thread data passing via pipe*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_half_pipe_block_put, &khalfpipe, NULL, NULL, K_PRIO_PREEMPT(0), 0, 0); k_sleep(10); /* Ensure half the mempool is still queued in the pipe */ r[0] = k_mem_pool_alloc(&mpool, &blocks[0], BYTES_TO_WRITE, K_NO_WAIT); r[1] = k_mem_pool_alloc(&mpool, &blocks[1], BYTES_TO_WRITE, K_NO_WAIT); r[2] = k_mem_pool_alloc(&mpool, &blocks[2], BYTES_TO_WRITE, K_NO_WAIT); zassert_true(r[0] == 0 && r[1] == 0 && r[2] == -ENOMEM, NULL); k_mem_pool_free(&blocks[0]); k_mem_pool_free(&blocks[1]); tpipe_get(&khalfpipe, K_FOREVER); /* clear the spawned thread avoid side effect */ k_thread_abort(tid); } /** * @brief Test pipe block put with semaphore and smaller pipe buffer * @see k_pipe_block_put() */ void test_half_pipe_block_put_sema(void) { struct k_sem sync_sema; k_sem_init(&sync_sema, 0, 1); /**TESTPOINT: test k_pipe_block_put with semaphore*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, tThread_half_pipe_block_put, &khalfpipe, &sync_sema, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); k_sleep(K_MSEC(10)); tpipe_get(&khalfpipe, K_FOREVER); k_thread_abort(tid); } /** * @brief Test Initialization and buffer allocation of pipe, * with various parameters * @see k_pipe_alloc_init(), k_pipe_cleanup() */ void test_pipe_alloc(void) { int ret; zassert_false(k_pipe_alloc_init(&pipe_test_alloc, PIPE_LEN), NULL); tpipe_kthread_to_kthread(&pipe_test_alloc); k_pipe_cleanup(&pipe_test_alloc); zassert_false(k_pipe_alloc_init(&pipe_test_alloc, 0), NULL); k_pipe_cleanup(&pipe_test_alloc); ret = k_pipe_alloc_init(&pipe_test_alloc, 1024); zassert_true(ret == -ENOMEM, "resource pool max block size is not smaller then requested buffer"); } /** * @brief Test pending reader in pipe * @see k_pipe_put(), k_pipe_get() */ void test_pipe_reader_wait(void) { /**TESTPOINT: test k_pipe_block_put with semaphore*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, thread_handler, &kpipe1, NULL, NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT); tpipe_get(&kpipe1, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); k_thread_abort(tid); } /** * @brief Test pending writer in pipe * @see k_pipe_block_put(), k_pipe_get() */ void test_pipe_block_writer_wait(void) { struct k_sem s_sema; struct k_sem s_sema1; const int main_low_prio = 10; k_sem_init(&s_sema, 0, 1); k_sem_init(&s_sema1, 0, 1); int old_prio = k_thread_priority_get(k_current_get()); k_thread_priority_set(k_current_get(), main_low_prio); /**TESTPOINT: test k_pipe_block_put with semaphore*/ k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE, thread_for_block_put, &kpipe1, &s_sema, NULL, K_PRIO_PREEMPT(main_low_prio - 1), 0, K_NO_WAIT); k_tid_t tid1 = k_thread_create(&tdata1, tstack1, STACK_SIZE, thread_for_block_put, &kpipe1, &s_sema1, NULL, K_PRIO_PREEMPT(main_low_prio - 1), 0, K_NO_WAIT); tpipe_get(&kpipe1, K_FOREVER); k_thread_priority_set(k_current_get(), old_prio); k_thread_abort(tid); k_thread_abort(tid1); } /** * @} */ |