diff options
Diffstat (limited to 'app/test/test_interrupts.c')
| -rw-r--r-- | app/test/test_interrupts.c | 551 |
1 files changed, 0 insertions, 551 deletions
diff --git a/app/test/test_interrupts.c b/app/test/test_interrupts.c deleted file mode 100644 index 371101f0..00000000 --- a/app/test/test_interrupts.c +++ /dev/null @@ -1,551 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <stdio.h> -#include <stdint.h> -#include <unistd.h> - -#include <rte_common.h> -#include <rte_cycles.h> -#include <rte_interrupts.h> - -#include "test.h" - -#define TEST_INTERRUPT_CHECK_INTERVAL 100 /* ms */ - -/* predefined interrupt handle types */ -enum test_interrupt_handle_type { - TEST_INTERRUPT_HANDLE_INVALID, - TEST_INTERRUPT_HANDLE_VALID, - TEST_INTERRUPT_HANDLE_VALID_UIO, - TEST_INTERRUPT_HANDLE_VALID_ALARM, - TEST_INTERRUPT_HANDLE_CASE1, - TEST_INTERRUPT_HANDLE_MAX -}; - -/* flag of if callback is called */ -static volatile int flag; -static struct rte_intr_handle intr_handles[TEST_INTERRUPT_HANDLE_MAX]; -static enum test_interrupt_handle_type test_intr_type = - TEST_INTERRUPT_HANDLE_MAX; - -#ifdef RTE_EXEC_ENV_LINUXAPP -union intr_pipefds{ - struct { - int pipefd[2]; - }; - struct { - int readfd; - int writefd; - }; -}; - -static union intr_pipefds pfds; - -/** - * Check if the interrupt handle is valid. - */ -static inline int -test_interrupt_handle_sanity_check(struct rte_intr_handle *intr_handle) -{ - if (!intr_handle || intr_handle->fd < 0) - return -1; - - return 0; -} - -/** - * Initialization for interrupt test. - */ -static int -test_interrupt_init(void) -{ - if (pipe(pfds.pipefd) < 0) - return -1; - - intr_handles[TEST_INTERRUPT_HANDLE_INVALID].fd = -1; - intr_handles[TEST_INTERRUPT_HANDLE_INVALID].type = - RTE_INTR_HANDLE_UNKNOWN; - - intr_handles[TEST_INTERRUPT_HANDLE_VALID].fd = pfds.readfd; - intr_handles[TEST_INTERRUPT_HANDLE_VALID].type = - RTE_INTR_HANDLE_UNKNOWN; - - intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO].fd = pfds.readfd; - intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO].type = - RTE_INTR_HANDLE_UIO; - - intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM].fd = pfds.readfd; - intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM].type = - RTE_INTR_HANDLE_ALARM; - - intr_handles[TEST_INTERRUPT_HANDLE_CASE1].fd = pfds.writefd; - intr_handles[TEST_INTERRUPT_HANDLE_CASE1].type = RTE_INTR_HANDLE_UIO; - - return 0; -} - -/** - * Deinitialization for interrupt test. - */ -static int -test_interrupt_deinit(void) -{ - close(pfds.pipefd[0]); - close(pfds.pipefd[1]); - - return 0; -} - -/** - * Write the pipe to simulate an interrupt. - */ -static int -test_interrupt_trigger_interrupt(void) -{ - if (write(pfds.writefd, "1", 1) < 0) - return -1; - - return 0; -} - -/** - * Check if two interrupt handles are the same. - */ -static int -test_interrupt_handle_compare(struct rte_intr_handle *intr_handle_l, - struct rte_intr_handle *intr_handle_r) -{ - if (!intr_handle_l || !intr_handle_r) - return -1; - - if (intr_handle_l->fd != intr_handle_r->fd || - intr_handle_l->type != intr_handle_r->type) - return -1; - - return 0; -} - -#else -/* to be implemented for bsd later */ -static inline int -test_interrupt_handle_sanity_check(struct rte_intr_handle *intr_handle) -{ - RTE_SET_USED(intr_handle); - - return 0; -} - -static int -test_interrupt_init(void) -{ - return 0; -} - -static int -test_interrupt_deinit(void) -{ - return 0; -} - -static int -test_interrupt_trigger_interrupt(void) -{ - return 0; -} - -static int -test_interrupt_handle_compare(struct rte_intr_handle *intr_handle_l, - struct rte_intr_handle *intr_handle_r) -{ - (void)intr_handle_l; - (void)intr_handle_r; - - return 0; -} -#endif /* RTE_EXEC_ENV_LINUXAPP */ - -/** - * Callback for the test interrupt. - */ -static void -test_interrupt_callback(struct rte_intr_handle *intr_handle, void *arg) -{ - if (test_intr_type >= TEST_INTERRUPT_HANDLE_MAX) { - printf("invalid interrupt type\n"); - flag = -1; - return; - } - - if (test_interrupt_handle_sanity_check(intr_handle) < 0) { - printf("null or invalid intr_handle for %s\n", __func__); - flag = -1; - return; - } - - if (rte_intr_callback_unregister(intr_handle, - test_interrupt_callback, arg) >= 0) { - printf("%s: unexpectedly able to unregister itself\n", - __func__); - flag = -1; - return; - } - - if (test_interrupt_handle_compare(intr_handle, - &(intr_handles[test_intr_type])) == 0) - flag = 1; -} - -/** - * Callback for the test interrupt. - */ -static void -test_interrupt_callback_1(struct rte_intr_handle *intr_handle, - __attribute__((unused)) void *arg) -{ - if (test_interrupt_handle_sanity_check(intr_handle) < 0) { - printf("null or invalid intr_handle for %s\n", __func__); - flag = -1; - return; - } -} - -/** - * Tests for rte_intr_enable(). - */ -static int -test_interrupt_enable(void) -{ - struct rte_intr_handle test_intr_handle; - - /* check with null intr_handle */ - if (rte_intr_enable(NULL) == 0) { - printf("unexpectedly enable null intr_handle successfully\n"); - return -1; - } - - /* check with invalid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID]; - if (rte_intr_enable(&test_intr_handle) == 0) { - printf("unexpectedly enable invalid intr_handle " - "successfully\n"); - return -1; - } - - /* check with valid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID]; - if (rte_intr_enable(&test_intr_handle) == 0) { - printf("unexpectedly enable a specific intr_handle " - "successfully\n"); - return -1; - } - - /* check with specific valid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM]; - if (rte_intr_enable(&test_intr_handle) == 0) { - printf("unexpectedly enable a specific intr_handle " - "successfully\n"); - return -1; - } - - /* check with valid handler and its type */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_CASE1]; - if (rte_intr_enable(&test_intr_handle) < 0) { - printf("fail to enable interrupt on a simulated handler\n"); - return -1; - } - - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO]; - if (rte_intr_enable(&test_intr_handle) == 0) { - printf("unexpectedly enable a specific intr_handle " - "successfully\n"); - return -1; - } - - return 0; -} - -/** - * Tests for rte_intr_disable(). - */ -static int -test_interrupt_disable(void) -{ - struct rte_intr_handle test_intr_handle; - - /* check with null intr_handle */ - if (rte_intr_disable(NULL) == 0) { - printf("unexpectedly disable null intr_handle " - "successfully\n"); - return -1; - } - - /* check with invalid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID]; - if (rte_intr_disable(&test_intr_handle) == 0) { - printf("unexpectedly disable invalid intr_handle " - "successfully\n"); - return -1; - } - - /* check with valid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID]; - if (rte_intr_disable(&test_intr_handle) == 0) { - printf("unexpectedly disable a specific intr_handle " - "successfully\n"); - return -1; - } - - /* check with specific valid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM]; - if (rte_intr_disable(&test_intr_handle) == 0) { - printf("unexpectedly disable a specific intr_handle " - "successfully\n"); - return -1; - } - - /* check with valid handler and its type */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_CASE1]; - if (rte_intr_disable(&test_intr_handle) < 0) { - printf("fail to disable interrupt on a simulated handler\n"); - return -1; - } - - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO]; - if (rte_intr_disable(&test_intr_handle) == 0) { - printf("unexpectedly disable a specific intr_handle " - "successfully\n"); - return -1; - } - - return 0; -} - -/** - * Check the full path of a specified type of interrupt simulated. - */ -static int -test_interrupt_full_path_check(enum test_interrupt_handle_type intr_type) -{ - int count; - struct rte_intr_handle test_intr_handle; - - flag = 0; - test_intr_handle = intr_handles[intr_type]; - test_intr_type = intr_type; - if (rte_intr_callback_register(&test_intr_handle, - test_interrupt_callback, NULL) < 0) { - printf("fail to register callback\n"); - return -1; - } - - if (test_interrupt_trigger_interrupt() < 0) - return -1; - - /* check flag */ - for (count = 0; flag == 0 && count < 3; count++) - rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL); - - rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL); - if (rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, NULL) < 0) - return -1; - - if (flag == 0) { - printf("callback has not been called\n"); - return -1; - } else if (flag < 0) { - printf("it has internal error in callback\n"); - return -1; - } - - return 0; -} - -/** - * Main function of testing interrupt. - */ -static int -test_interrupt(void) -{ - int ret = -1; - struct rte_intr_handle test_intr_handle; - - if (test_interrupt_init() < 0) { - printf("fail to initialize for testing interrupt\n"); - return -1; - } - - printf("Check unknown valid interrupt full path\n"); - if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID) < 0) { - printf("failure occured during checking unknown valid " - "interrupt full path\n"); - goto out; - } - - printf("Check valid UIO interrupt full path\n"); - if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID_UIO) - < 0) { - printf("failure occured during checking valid UIO interrupt " - "full path\n"); - goto out; - } - - printf("Check valid alarm interrupt full path\n"); - if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID_ALARM) - < 0) { - printf("failure occured during checking valid alarm " - "interrupt full path\n"); - goto out; - } - - printf("start register/unregister test\n"); - /* check if it will fail to register cb with intr_handle = NULL */ - if (rte_intr_callback_register(NULL, test_interrupt_callback, - NULL) == 0) { - printf("unexpectedly register successfully with null " - "intr_handle\n"); - goto out; - } - - /* check if it will fail to register cb with invalid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID]; - if (rte_intr_callback_register(&test_intr_handle, - test_interrupt_callback, NULL) == 0) { - printf("unexpectedly register successfully with invalid " - "intr_handle\n"); - goto out; - } - - /* check if it will fail to register without callback */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID]; - if (rte_intr_callback_register(&test_intr_handle, NULL, NULL) == 0) { - printf("unexpectedly register successfully with " - "null callback\n"); - goto out; - } - - /* check if it will fail to unregister cb with intr_handle = NULL */ - if (rte_intr_callback_unregister(NULL, - test_interrupt_callback, NULL) > 0) { - printf("unexpectedly unregister successfully with " - "null intr_handle\n"); - goto out; - } - - /* check if it will fail to unregister cb with invalid intr_handle */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID]; - if (rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, NULL) > 0) { - printf("unexpectedly unregister successfully with " - "invalid intr_handle\n"); - goto out; - } - - /* check if it is ok to register the same intr_handle twice */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID]; - if (rte_intr_callback_register(&test_intr_handle, - test_interrupt_callback, NULL) < 0) { - printf("it fails to register test_interrupt_callback\n"); - goto out; - } - if (rte_intr_callback_register(&test_intr_handle, - test_interrupt_callback_1, NULL) < 0) { - printf("it fails to register test_interrupt_callback_1\n"); - goto out; - } - /* check if it will fail to unregister with invalid parameter */ - if (rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, (void *)0xff) != 0) { - printf("unexpectedly unregisters successfully with " - "invalid arg\n"); - goto out; - } - if (rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, NULL) <= 0) { - printf("it fails to unregister test_interrupt_callback\n"); - goto out; - } - if (rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback_1, (void *)-1) <= 0) { - printf("it fails to unregister test_interrupt_callback_1 " - "for all\n"); - goto out; - } - rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL); - - printf("start interrupt enable/disable test\n"); - /* check interrupt enable/disable functions */ - if (test_interrupt_enable() < 0) { - printf("fail to check interrupt enabling\n"); - goto out; - } - rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL); - - if (test_interrupt_disable() < 0) { - printf("fail to check interrupt disabling\n"); - goto out; - } - rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL); - - ret = 0; - -out: - printf("Clearing for interrupt tests\n"); - /* clear registered callbacks */ - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID]; - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, (void *)-1); - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback_1, (void *)-1); - - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO]; - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, (void *)-1); - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback_1, (void *)-1); - - test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM]; - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback, (void *)-1); - rte_intr_callback_unregister(&test_intr_handle, - test_interrupt_callback_1, (void *)-1); - - rte_delay_ms(2 * TEST_INTERRUPT_CHECK_INTERVAL); - /* deinit */ - test_interrupt_deinit(); - - return ret; -} - -REGISTER_TEST_COMMAND(interrupt_autotest, test_interrupt); |