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Diffstat (limited to 'lib/efi_selftest/efi_selftest_tpl.c')
-rw-r--r--lib/efi_selftest/efi_selftest_tpl.c85
1 files changed, 47 insertions, 38 deletions
diff --git a/lib/efi_selftest/efi_selftest_tpl.c b/lib/efi_selftest/efi_selftest_tpl.c
index 90ace0f51e..5d13f3b52d 100644
--- a/lib/efi_selftest/efi_selftest_tpl.c
+++ b/lib/efi_selftest/efi_selftest_tpl.c
@@ -13,20 +13,20 @@
static struct efi_event *event_notify;
static struct efi_event *event_wait;
-static unsigned int counter;
+static unsigned int notification_count;
static struct efi_boot_services *boottime;
/*
- * Notification function, increments a counter.
+ * Notification function, increments the notification count.
*
* @event notified event
- * @context pointer to the counter
+ * @context pointer to the notification count
*/
static void EFIAPI notify(struct efi_event *event, void *context)
{
- if (!context)
- return;
- ++*(unsigned int *)context;
+ unsigned int *count = context;
+
+ ++*count;
}
/*
@@ -37,6 +37,7 @@ static void EFIAPI notify(struct efi_event *event, void *context)
*
* @handle: handle of the loaded image
* @systable: system table
+ * @return: EFI_ST_SUCCESS for success
*/
static int setup(const efi_handle_t handle,
const struct efi_system_table *systable)
@@ -46,25 +47,28 @@ static int setup(const efi_handle_t handle,
boottime = systable->boottime;
ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL,
- TPL_CALLBACK, notify, (void *)&counter,
+ TPL_CALLBACK, notify,
+ (void *)&notification_count,
&event_notify);
if (ret != EFI_SUCCESS) {
efi_st_error("could not create event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_WAIT,
TPL_HIGH_LEVEL, notify, NULL, &event_wait);
if (ret != EFI_SUCCESS) {
efi_st_error("could not create event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
- return 0;
+ return EFI_ST_SUCCESS;
}
/*
* Tear down unit test.
*
* Close the events created in setup.
+ *
+ * @return: EFI_ST_SUCCESS for success
*/
static int teardown(void)
{
@@ -75,7 +79,7 @@ static int teardown(void)
event_notify = NULL;
if (ret != EFI_SUCCESS) {
efi_st_error("could not close event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
}
if (event_wait) {
@@ -83,11 +87,11 @@ static int teardown(void)
event_wait = NULL;
if (ret != EFI_SUCCESS) {
efi_st_error("could not close event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
}
boottime->restore_tpl(TPL_APPLICATION);
- return 0;
+ return EFI_ST_SUCCESS;
}
/*
@@ -101,6 +105,8 @@ static int teardown(void)
*
* Lower the TPL level and check that the queued notification
* function is called.
+ *
+ * @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
@@ -109,100 +115,103 @@ static int execute(void)
UINTN old_tpl;
/* Set 10 ms timer */
- counter = 0;
+ notification_count = 0;
ret = boottime->set_timer(event_notify, EFI_TIMER_PERIODIC, 100000);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not set timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Set 100 ms timer */
ret = boottime->set_timer(event_wait, EFI_TIMER_RELATIVE, 1000000);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not set timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
index = 5;
ret = boottime->wait_for_event(1, &event_wait, &index);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not wait for event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
ret = boottime->check_event(event_wait);
if (ret != EFI_NOT_READY) {
efi_st_error("Signaled state was not cleared.\n");
efi_st_printf("ret = %u\n", (unsigned int)ret);
- return 1;
+ return EFI_ST_FAILURE;
}
if (index != 0) {
efi_st_error("WaitForEvent returned wrong index\n");
- return 1;
+ return EFI_ST_FAILURE;
}
- efi_st_printf("Counter with TPL level TPL_APPLICATION: %u\n", counter);
- if (counter < 8 || counter > 12) {
+ efi_st_printf("Notification count with TPL level TPL_APPLICATION: %u\n",
+ notification_count);
+ if (notification_count < 8 || notification_count > 12) {
efi_st_error("Incorrect timing of events\n");
- return 1;
+ return EFI_ST_FAILURE;
}
ret = boottime->set_timer(event_notify, EFI_TIMER_STOP, 0);
if (index != 0) {
efi_st_error("Could not cancel timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Raise TPL level */
old_tpl = boottime->raise_tpl(TPL_CALLBACK);
if (old_tpl != TPL_APPLICATION) {
efi_st_error("Initial TPL level was not TPL_APPLICATION");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Set 10 ms timer */
- counter = 0;
+ notification_count = 0;
ret = boottime->set_timer(event_notify, EFI_TIMER_PERIODIC, 100000);
if (index != 0) {
efi_st_error("Could not set timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Set 100 ms timer */
ret = boottime->set_timer(event_wait, EFI_TIMER_RELATIVE, 1000000);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not set timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
do {
ret = boottime->check_event(event_wait);
} while (ret == EFI_NOT_READY);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not check event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
- efi_st_printf("Counter with TPL level TPL_CALLBACK: %u\n", counter);
- if (counter != 0) {
+ efi_st_printf("Notification count with TPL level TPL_CALLBACK: %u\n",
+ notification_count);
+ if (notification_count != 0) {
efi_st_error("Suppressed timer fired\n");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Set 1 ms timer */
ret = boottime->set_timer(event_wait, EFI_TIMER_RELATIVE, 1000);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not set timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
/* Restore the old TPL level */
boottime->restore_tpl(TPL_APPLICATION);
ret = boottime->wait_for_event(1, &event_wait, &index);
if (ret != EFI_SUCCESS) {
efi_st_error("Could not wait for event\n");
- return 1;
+ return EFI_ST_FAILURE;
}
- efi_st_printf("Counter with TPL level TPL_APPLICATION: %u\n", counter);
- if (counter < 1) {
+ efi_st_printf("Notification count with TPL level TPL_APPLICATION: %u\n",
+ notification_count);
+ if (notification_count < 1) {
efi_st_error("Queued timer event did not fire\n");
- return 1;
+ return EFI_ST_FAILURE;
}
ret = boottime->set_timer(event_wait, EFI_TIMER_STOP, 0);
if (index != 0) {
efi_st_error("Could not cancel timer\n");
- return 1;
+ return EFI_ST_FAILURE;
}
- return 0;
+ return EFI_ST_SUCCESS;
}
EFI_UNIT_TEST(tpl) = {
generated by cgit (git 2.34.1) at 2024-12-27 15:37:15 +0000