#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_VALID_UIO].fd = pfds.readfd;
+ intr_handles[TEST_INTERRUPT_HANDLE_VALID_UIO].type =
+ RTE_INTR_HANDLE_UIO;
- 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_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)
}
#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;
}
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,
__attribute__((unused)) void *arg)
}
}
+/**
+ * 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
-test_interrupt(void)
+/**
+ * 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, ret;
+ int count;
struct rte_intr_handle test_intr_handle;
- if (test_interrupt_init() < 0) {
- printf("fail to do test init\n");
- return -1;
- }
-
- printf("check if callback registered can be called\n");
-
- ret = -1;
-
- /* check if callback registered can be called */
flag = 0;
- test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_VALID];
+ 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");
- 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");
- goto out;
+ 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.
+ */
+int
+test_interrupt(void)
+{
+ int ret = -1;
+ struct rte_intr_handle test_intr_handle;
- if ((ret = rte_intr_callback_unregister(&test_intr_handle,
- test_interrupt_callback, NULL)) < 0) {
- printf("rte_intr_callback_unregister() failed with error "
- "code: %d\n", ret);
+ 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;
}
- ret = -1;
-
- if (flag == 0) {
- printf("registered callback has not been called\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;
- } else if (flag < 0) {
- printf("registered callback failed\n");
- ret = flag;
+ }
+
+ 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) {
/* 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,
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(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(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);
+ 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();
git.droids-corp.org / dpdk.git / commitdiff