[PATCH i-g-t v2 55/66] tests/xe_eudebug_online: Add tdctl-parameters test

[Christoph Manszewski]

From: Dominik Karol Piątkowski <dominik.karol.piatkowski at intel.com>

Add tdctl-parameters test that checks negative scenarios of EU_THREADS
ioctl usage.

This patch shortens the loop in run_online_client in order to avoid
hitting the timeout that caused the test to fail.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski at intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
---
 tests/intel/xe_eudebug_online.c | 111 ++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)

diff --git a/tests/intel/xe_eudebug_online.c b/tests/intel/xe_eudebug_online.c
index 12edd0eb5..0b92507f4 100644
--- a/tests/intel/xe_eudebug_online.c
+++ b/tests/intel/xe_eudebug_online.c
@@ -995,6 +995,114 @@ static void test_interrupt_all(int fd, struct drm_xe_engine_class_instance *hwe,
 	online_debug_data_destroy(data);
 }
 
+/**
+ * SUBTEST: tdctl-parameters
+ * Description:
+ *	Schedules EU workload which should last about a few seconds, then
+ *	checks negative scenarios of EU_THREADS ioctl usage, interrupts all threads,
+ *	checks whether attention event came, and resumes stopped threads back.
+ */
+static void test_tdctl_parameters(int fd, struct drm_xe_engine_class_instance *hwe, int flags)
+{
+	struct xe_eudebug_session *s;
+	struct online_debug_data *data;
+	uint32_t val;
+	uint32_t random_command;
+	uint32_t bitmask_size = query_attention_bitmask_size(fd, hwe->gt_id);
+	uint8_t *attention_bitmask = malloc(bitmask_size * sizeof(uint8_t));
+	igt_assert(attention_bitmask);
+
+	data = online_debug_data_create(hwe);
+	s = xe_eudebug_session_create(fd, run_online_client, flags, data);
+
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_OPEN,
+					open_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE,
+					exec_queue_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_EU_ATTENTION,
+					eu_attention_debug_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_EU_ATTENTION,
+					eu_attention_resume_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_VM, vm_open_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_METADATA,
+					create_metadata_trigger);
+	xe_eudebug_debugger_add_trigger(s->d, DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE,
+					ufence_ack_trigger);
+
+	igt_assert_eq(xe_eudebug_debugger_attach(s->d, s->c), 0);
+	xe_eudebug_debugger_start_worker(s->d);
+	xe_eudebug_client_start(s->c);
+
+	/* wait for workload to start */
+	igt_for_milliseconds(STARTUP_TIMEOUT_MS) {
+		/* collect needed data from triggers */
+		if (READ_ONCE(data->vm_fd) == -1 || READ_ONCE(data->target_size) == 0)
+			continue;
+
+		if (pread(data->vm_fd, &val, sizeof(val), data->target_offset) == sizeof(val))
+			if (val != 0)
+				break;
+	}
+
+	pthread_mutex_lock(&data->mutex);
+	igt_assert(data->client_handle != -1);
+	igt_assert(data->exec_queue_handle != -1);
+	igt_assert(data->lrc_handle != -1);
+
+	/* fail on invalid lrc_handle */
+	igt_assert(__eu_ctl(s->d->fd, data->client_handle,
+			    data->exec_queue_handle, data->lrc_handle + 1,
+			    attention_bitmask, &bitmask_size,
+			    DRM_XE_EUDEBUG_EU_CONTROL_CMD_INTERRUPT_ALL, NULL) == -EINVAL);
+
+	/* fail on invalid exec_queue_handle */
+	igt_assert(__eu_ctl(s->d->fd, data->client_handle,
+			    data->exec_queue_handle + 1, data->lrc_handle,
+			    attention_bitmask, &bitmask_size,
+			    DRM_XE_EUDEBUG_EU_CONTROL_CMD_INTERRUPT_ALL, NULL) == -EINVAL);
+
+	/* fail on invalid client */
+	igt_assert(__eu_ctl(s->d->fd, data->client_handle + 1,
+			    data->exec_queue_handle, data->lrc_handle,
+			    attention_bitmask, &bitmask_size,
+			    DRM_XE_EUDEBUG_EU_CONTROL_CMD_INTERRUPT_ALL, NULL) == -EINVAL);
+
+	/*
+	 * bitmask size must be aligned to sizeof(u32) for all commands
+	 * and be zero for interrupt all
+	 */
+	bitmask_size = sizeof(uint32_t) - 1;
+	igt_assert(__eu_ctl(s->d->fd, data->client_handle,
+			    data->exec_queue_handle, data->lrc_handle,
+			    attention_bitmask, &bitmask_size,
+			    DRM_XE_EUDEBUG_EU_CONTROL_CMD_STOPPED, NULL) == -EINVAL);
+	bitmask_size = 0;
+
+	/* fail on invalid command */
+	random_command = random() | (DRM_XE_EUDEBUG_EU_CONTROL_CMD_RESUME + 1);
+	igt_assert(__eu_ctl(s->d->fd, data->client_handle,
+			    data->exec_queue_handle, data->lrc_handle,
+			    attention_bitmask, &bitmask_size, random_command, NULL) == -EINVAL);
+
+	free(attention_bitmask);
+
+	eu_ctl_interrupt_all(s->d->fd, data->client_handle,
+			     data->exec_queue_handle, data->lrc_handle);
+	pthread_mutex_unlock(&data->mutex);
+
+	xe_eudebug_client_wait_done(s->c);
+
+	xe_eudebug_debugger_stop_worker(s->d, 1);
+
+	xe_eudebug_event_log_print(s->d->log, true);
+	xe_eudebug_event_log_print(s->c->log, true);
+
+	online_session_check(s, s->flags);
+
+	xe_eudebug_session_destroy(s);
+	online_debug_data_destroy(data);
+}
+
 static struct drm_xe_engine_class_instance *pick_compute(int fd, int gt)
 {
 	struct drm_xe_engine_class_instance *hwe;
@@ -1051,6 +1159,9 @@ igt_main
 	test_gt_render_or_compute("interrupt-all-set-breakpoint", fd, hwe)
 		test_interrupt_all(fd, hwe, SHADER_LOOP | TRIGGER_RESUME_SET_BP);
 
+	test_gt_render_or_compute("tdctl-parameters", fd, hwe)
+		test_tdctl_parameters(fd, hwe, SHADER_LOOP);
+
 	igt_fixture {
 		xe_eudebug_enable(fd, was_enabled);
 
-- 
2.34.1