| /* |
| * 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 16 |
| #define BYTES_TO_WRITE 4 |
| #define BYTES_TO_READ BYTES_TO_WRITE |
| K_MEM_POOL_DEFINE(mpool, BYTES_TO_WRITE, PIPE_LEN, 1, BYTES_TO_WRITE); |
| |
| static ZTEST_DMEM unsigned char __aligned(4) data[] = "abcd1234$%^&PIPE"; |
| /**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 |
| */ |
| K_MEM_POOL_DEFINE(test_pool, 128, 128, 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); |
| } |
| k_mem_pool_free(&block); |
| } |
| } |
| |
| 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, 0); |
| |
| 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, 0); |
| |
| 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, 0); |
| |
| k_sleep(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, 0); |
| k_sleep(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, 0); |
| |
| /*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, 0); |
| |
| 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, 0); |
| |
| k_sleep(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, PIPE_LEN * 8); |
| zassert_true(ret == -ENOMEM, |
| "resource pool is 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, 0); |
| |
| 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, 0); |
| |
| 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, 0); |
| |
| tpipe_get(&kpipe1, K_FOREVER); |
| k_thread_priority_set(k_current_get(), old_prio); |
| k_thread_abort(tid); |
| k_thread_abort(tid1); |
| } |
| |
| /** |
| * @} |
| */ |