/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2012 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.
- *
+ * 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 <cmdline_parse.h>
-
#include <rte_common.h>
#include <rte_cycles.h>
#include <rte_interrupts.h>
#define TEST_INTERRUPT_CHECK_INTERVAL 1000 /* ms */
-enum test_interrupt_handl_type {
+/* 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{
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)
{
return 0;
}
+/**
+ * Initialization for interrupt test.
+ */
static int
test_interrupt_init(void)
{
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_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].type =
+ RTE_INTR_HANDLE_UNKNOWN;
- intr_handles[TEST_INTERRUPT_HANDLE_CASE1].fd = pfds.readfd;
- intr_handles[TEST_INTERRUPT_HANDLE_CASE1].type = RTE_INTR_HANDLE_ALARM;
+ 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)
{
return 0;
}
+/**
+ * Write the pipe to simulate an interrupt.
+ */
static int
test_interrupt_trigger_interrupt(void)
{
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)
}
#else
-/* to be implemented for baremetal later */
+/* to be implemented for bsd later */
static inline int
test_interrupt_handle_sanity_check(struct rte_intr_handle *intr_handle)
{
}
#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", __FUNCTION__);
+ 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("fail to unregister callback\n");
+ 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_INTERRUPT_HANDLE_VALID])) == 0) {
+ &(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, void *arg)
+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", __FUNCTION__);
- return;
- }
- if (rte_intr_callback_unregister(intr_handle,
- test_interrupt_callback_1, arg) <= 0) {
- printf("fail to unregister callback\n");
+ printf("null or invalid intr_handle for %s\n", __func__);
+ flag = -1;
return;
}
}
+/**
+ * Tests for rte_intr_enable().
+ */
static int
test_interrupt_enable(void)
{
}
/* 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 0;
}
+/**
+ * Tests for rte_intr_disable().
+ */
static int
test_interrupt_disable(void)
{
}
/* 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 0;
}
-int
+/**
+ * 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 in 3 seconds */
+ 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 count = 0, ret = -1;
+ int ret = -1;
struct rte_intr_handle test_intr_handle;
if (test_interrupt_init() < 0) {
- printf("fail to do test init\n");
+ printf("fail to initialize for testing interrupt\n");
return -1;
}
- printf("check if callback registered can be called\n");
-
- /* check if callback registered can be called */
- flag = 0;
- test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
- if (rte_intr_callback_register(&test_intr_handle,
- test_interrupt_callback, NULL) < 0) {
- printf("fail to register callback\n");
+ 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;
}
- /* trigger an interrupt and then check if the callback can be called */
- if (test_interrupt_trigger_interrupt() < 0) {
- printf("fail to trigger an interrupt\n");
+
+ 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;
}
- /* check flag in 3 seconds */
- while (flag == 0 && count++ < 3)
- rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
- if (flag == 0) {
- printf("registered callback has not been called\n");
+
+ 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;
}
- rte_delay_ms(1000);
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) {
/* 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");
+ printf("unexpectedly unregisters successfully with "
+ "invalid arg\n");
goto out;
}
if (rte_intr_callback_unregister(&test_intr_handle,
"for all\n");
goto out;
}
- rte_delay_ms(1000);
+ rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
printf("start interrupt enable/disable test\n");
-
/* check interrupt enable/disable functions */
- if (test_interrupt_enable() < 0)
+ if (test_interrupt_enable() < 0) {
+ printf("fail to check interrupt enabling\n");
goto out;
- rte_delay_ms(1000);
+ }
+ rte_delay_ms(TEST_INTERRUPT_CHECK_INTERVAL);
- if (test_interrupt_disable() < 0)
+ if (test_interrupt_disable() < 0) {
+ printf("fail to check interrupt disabling\n");
goto out;
- rte_delay_ms(1000);
+ }
+ 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,
rte_intr_callback_unregister(&test_intr_handle,
test_interrupt_callback_1, (void *)-1);
- rte_delay_ms(2000);
+ 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;
}
+static struct test_command interrupt_cmd = {
+ .command = "interrupt_autotest",
+ .callback = test_interrupt,
+};
+REGISTER_TEST_COMMAND(interrupt_cmd);
git.droids-corp.org / dpdk.git / blobdiff