+++ /dev/null
-/*-
- * 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);
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