742bde12f3
Rename the macro to make things shorter and more comprehensible. For both meson and make builds, keep the old macro around for backward compatibility. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
559 lines
14 KiB
C
559 lines
14 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <rte_common.h>
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#include <rte_cycles.h>
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#include <rte_interrupts.h>
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#include "test.h"
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#define TEST_INTERRUPT_CHECK_INTERVAL 100 /* ms */
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/* predefined interrupt handle types */
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enum test_interrupt_handle_type {
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TEST_INTERRUPT_HANDLE_INVALID,
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TEST_INTERRUPT_HANDLE_VALID,
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TEST_INTERRUPT_HANDLE_VALID_UIO,
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TEST_INTERRUPT_HANDLE_VALID_ALARM,
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TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT,
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TEST_INTERRUPT_HANDLE_CASE1,
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TEST_INTERRUPT_HANDLE_MAX
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};
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/* flag of if callback is called */
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static volatile int flag;
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static struct rte_intr_handle intr_handles[TEST_INTERRUPT_HANDLE_MAX];
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static enum test_interrupt_handle_type test_intr_type =
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TEST_INTERRUPT_HANDLE_MAX;
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#ifdef RTE_EXEC_ENV_LINUX
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union intr_pipefds{
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struct {
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int pipefd[2];
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};
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struct {
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int readfd;
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int writefd;
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};
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};
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static union intr_pipefds pfds;
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/**
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* Check if the interrupt handle is valid.
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*/
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static inline int
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test_interrupt_handle_sanity_check(struct rte_intr_handle *intr_handle)
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{
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if (!intr_handle || intr_handle->fd < 0)
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return -1;
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return 0;
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}
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/**
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* Initialization for interrupt test.
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*/
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static int
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test_interrupt_init(void)
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{
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if (pipe(pfds.pipefd) < 0)
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return -1;
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intr_handles[TEST_INTERRUPT_HANDLE_INVALID].fd = -1;
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intr_handles[TEST_INTERRUPT_HANDLE_INVALID].type =
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RTE_INTR_HANDLE_UNKNOWN;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID].fd = pfds.readfd;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID].type =
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RTE_INTR_HANDLE_UNKNOWN;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO].fd = pfds.readfd;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO].type =
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RTE_INTR_HANDLE_UIO;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM].fd = pfds.readfd;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM].type =
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RTE_INTR_HANDLE_ALARM;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT].fd = pfds.readfd;
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intr_handles[TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT].type =
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RTE_INTR_HANDLE_DEV_EVENT;
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intr_handles[TEST_INTERRUPT_HANDLE_CASE1].fd = pfds.writefd;
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intr_handles[TEST_INTERRUPT_HANDLE_CASE1].type = RTE_INTR_HANDLE_UIO;
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return 0;
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}
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/**
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* Deinitialization for interrupt test.
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*/
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static int
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test_interrupt_deinit(void)
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{
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close(pfds.pipefd[0]);
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close(pfds.pipefd[1]);
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return 0;
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}
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/**
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* Write the pipe to simulate an interrupt.
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*/
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static int
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test_interrupt_trigger_interrupt(void)
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{
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if (write(pfds.writefd, "1", 1) < 0)
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return -1;
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return 0;
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}
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/**
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* Check if two interrupt handles are the same.
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*/
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static int
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test_interrupt_handle_compare(struct rte_intr_handle *intr_handle_l,
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struct rte_intr_handle *intr_handle_r)
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{
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if (!intr_handle_l || !intr_handle_r)
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return -1;
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if (intr_handle_l->fd != intr_handle_r->fd ||
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intr_handle_l->type != intr_handle_r->type)
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return -1;
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return 0;
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}
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#else
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/* to be implemented for bsd later */
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static inline int
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test_interrupt_handle_sanity_check(struct rte_intr_handle *intr_handle)
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{
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RTE_SET_USED(intr_handle);
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return 0;
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}
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static int
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test_interrupt_init(void)
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{
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return 0;
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}
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static int
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test_interrupt_deinit(void)
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{
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return 0;
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}
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static int
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test_interrupt_trigger_interrupt(void)
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{
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return 0;
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}
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static int
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test_interrupt_handle_compare(struct rte_intr_handle *intr_handle_l,
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struct rte_intr_handle *intr_handle_r)
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{
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(void)intr_handle_l;
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(void)intr_handle_r;
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return 0;
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}
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#endif /* RTE_EXEC_ENV_LINUX */
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/**
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* Callback for the test interrupt.
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*/
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static void
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test_interrupt_callback(void *arg)
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{
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struct rte_intr_handle *intr_handle = arg;
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if (test_intr_type >= TEST_INTERRUPT_HANDLE_MAX) {
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printf("invalid interrupt type\n");
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flag = -1;
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return;
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}
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if (test_interrupt_handle_sanity_check(intr_handle) < 0) {
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printf("null or invalid intr_handle for %s\n", __func__);
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flag = -1;
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return;
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}
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if (rte_intr_callback_unregister(intr_handle,
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test_interrupt_callback, arg) >= 0) {
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printf("%s: unexpectedly able to unregister itself\n",
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__func__);
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flag = -1;
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return;
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}
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if (test_interrupt_handle_compare(intr_handle,
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&(intr_handles[test_intr_type])) == 0)
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flag = 1;
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}
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/**
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* Callback for the test interrupt.
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*/
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static void
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test_interrupt_callback_1(void *arg)
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{
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struct rte_intr_handle *intr_handle = arg;
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if (test_interrupt_handle_sanity_check(intr_handle) < 0) {
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printf("null or invalid intr_handle for %s\n", __func__);
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flag = -1;
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return;
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}
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}
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/**
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* Tests for rte_intr_enable().
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*/
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static int
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test_interrupt_enable(void)
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{
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struct rte_intr_handle test_intr_handle;
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/* check with null intr_handle */
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if (rte_intr_enable(NULL) == 0) {
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printf("unexpectedly enable null intr_handle successfully\n");
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return -1;
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}
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/* check with invalid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID];
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if (rte_intr_enable(&test_intr_handle) == 0) {
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printf("unexpectedly enable invalid intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
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if (rte_intr_enable(&test_intr_handle) == 0) {
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printf("unexpectedly enable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with specific valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM];
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if (rte_intr_enable(&test_intr_handle) == 0) {
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printf("unexpectedly enable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with specific valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT];
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if (rte_intr_enable(&test_intr_handle) == 0) {
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printf("unexpectedly enable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with valid handler and its type */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_CASE1];
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if (rte_intr_enable(&test_intr_handle) < 0) {
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printf("fail to enable interrupt on a simulated handler\n");
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return -1;
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}
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO];
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if (rte_intr_enable(&test_intr_handle) == 0) {
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printf("unexpectedly enable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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return 0;
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}
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/**
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* Tests for rte_intr_disable().
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*/
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static int
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test_interrupt_disable(void)
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{
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struct rte_intr_handle test_intr_handle;
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/* check with null intr_handle */
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if (rte_intr_disable(NULL) == 0) {
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printf("unexpectedly disable null intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with invalid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID];
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if (rte_intr_disable(&test_intr_handle) == 0) {
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printf("unexpectedly disable invalid intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
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if (rte_intr_disable(&test_intr_handle) == 0) {
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printf("unexpectedly disable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with specific valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_ALARM];
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if (rte_intr_disable(&test_intr_handle) == 0) {
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printf("unexpectedly disable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with specific valid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT];
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if (rte_intr_disable(&test_intr_handle) == 0) {
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printf("unexpectedly disable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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/* check with valid handler and its type */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_CASE1];
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if (rte_intr_disable(&test_intr_handle) < 0) {
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printf("fail to disable interrupt on a simulated handler\n");
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return -1;
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}
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO];
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if (rte_intr_disable(&test_intr_handle) == 0) {
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printf("unexpectedly disable a specific intr_handle "
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"successfully\n");
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return -1;
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}
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return 0;
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}
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/**
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* Check the full path of a specified type of interrupt simulated.
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*/
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static int
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test_interrupt_full_path_check(enum test_interrupt_handle_type intr_type)
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{
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int count;
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struct rte_intr_handle test_intr_handle;
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flag = 0;
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test_intr_handle = intr_handles[intr_type];
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test_intr_type = intr_type;
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if (rte_intr_callback_register(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) < 0) {
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printf("fail to register callback\n");
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return -1;
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}
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if (test_interrupt_trigger_interrupt() < 0)
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return -1;
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/* check flag */
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for (count = 0; flag == 0 && count < 3; count++)
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rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
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rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
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if (rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) < 0)
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return -1;
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if (flag == 0) {
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printf("callback has not been called\n");
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return -1;
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} else if (flag < 0) {
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printf("it has internal error in callback\n");
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return -1;
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}
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return 0;
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}
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/**
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* Main function of testing interrupt.
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*/
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static int
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test_interrupt(void)
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{
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int ret = -1;
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struct rte_intr_handle test_intr_handle;
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if (test_interrupt_init() < 0) {
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printf("fail to initialize for testing interrupt\n");
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return -1;
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}
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printf("Check unknown valid interrupt full path\n");
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if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID) < 0) {
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printf("failure occurred during checking unknown valid "
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"interrupt full path\n");
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goto out;
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}
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printf("Check valid UIO interrupt full path\n");
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if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID_UIO)
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< 0) {
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printf("failure occurred during checking valid UIO interrupt "
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"full path\n");
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goto out;
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}
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printf("Check valid device event interrupt full path\n");
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if (test_interrupt_full_path_check(
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TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT) < 0) {
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printf("failure occurred during checking valid device event "
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"interrupt full path\n");
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goto out;
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}
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printf("Check valid alarm interrupt full path\n");
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if (test_interrupt_full_path_check(
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TEST_INTERRUPT_HANDLE_VALID_ALARM) < 0) {
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printf("failure occurred during checking valid alarm "
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"interrupt full path\n");
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goto out;
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}
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printf("start register/unregister test\n");
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/* check if it will fail to register cb with intr_handle = NULL */
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if (rte_intr_callback_register(NULL, test_interrupt_callback,
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NULL) == 0) {
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printf("unexpectedly register successfully with null "
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"intr_handle\n");
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goto out;
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}
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/* check if it will fail to register cb with invalid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID];
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if (rte_intr_callback_register(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) == 0) {
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printf("unexpectedly register successfully with invalid "
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"intr_handle\n");
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goto out;
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}
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/* check if it will fail to register without callback */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
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if (rte_intr_callback_register(&test_intr_handle, NULL, &test_intr_handle) == 0) {
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printf("unexpectedly register successfully with "
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"null callback\n");
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goto out;
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}
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/* check if it will fail to unregister cb with intr_handle = NULL */
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if (rte_intr_callback_unregister(NULL,
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test_interrupt_callback, NULL) > 0) {
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printf("unexpectedly unregister successfully with "
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"null intr_handle\n");
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goto out;
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}
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/* check if it will fail to unregister cb with invalid intr_handle */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID];
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if (rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) > 0) {
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printf("unexpectedly unregister successfully with "
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"invalid intr_handle\n");
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goto out;
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}
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/* check if it is ok to register the same intr_handle twice */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
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if (rte_intr_callback_register(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) < 0) {
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printf("it fails to register test_interrupt_callback\n");
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goto out;
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}
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if (rte_intr_callback_register(&test_intr_handle,
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test_interrupt_callback_1, &test_intr_handle) < 0) {
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printf("it fails to register test_interrupt_callback_1\n");
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goto out;
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}
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/* check if it will fail to unregister with invalid parameter */
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if (rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback, (void *)0xff) != 0) {
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printf("unexpectedly unregisters successfully with "
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"invalid arg\n");
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goto out;
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}
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if (rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback, &test_intr_handle) <= 0) {
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printf("it fails to unregister test_interrupt_callback\n");
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goto out;
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}
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if (rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback_1, (void *)-1) <= 0) {
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printf("it fails to unregister test_interrupt_callback_1 "
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"for all\n");
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goto out;
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}
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rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
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printf("start interrupt enable/disable test\n");
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/* check interrupt enable/disable functions */
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if (test_interrupt_enable() < 0) {
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printf("fail to check interrupt enabling\n");
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goto out;
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}
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rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
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if (test_interrupt_disable() < 0) {
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printf("fail to check interrupt disabling\n");
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goto out;
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}
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rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
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ret = 0;
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out:
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printf("Clearing for interrupt tests\n");
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/* clear registered callbacks */
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
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rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback, (void *)-1);
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rte_intr_callback_unregister(&test_intr_handle,
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test_interrupt_callback_1, (void *)-1);
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test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO];
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rte_intr_callback_unregister(&test_intr_handle,
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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);
|
|
|
|
test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT];
|
|
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);
|