43 	struct i915_request *request;  in igt_add_request()  local
46 	/* Basic preliminary test to create a request and let it loose! */  in igt_add_request()
49 	request = mock_request(i915->engine[RCS0]->kernel_context, HZ / 10);  in igt_add_request()
50 	if (!request)  in igt_add_request()
53 	i915_request_add(request);  in igt_add_request()
65 	struct i915_request *request;  in igt_wait_request()  local
68 	/* Submit a request, then wait upon it */  in igt_wait_request()
71 	request = mock_request(i915->engine[RCS0]->kernel_context, T);  in igt_wait_request()
72 	if (!request) {  in igt_wait_request()
76 	i915_request_get(request);  in igt_wait_request()
78 	if (i915_request_wait(request, 0, 0) != -ETIME) {  in igt_wait_request()
79 		pr_err("request wait (busy query) succeeded (expected timeout before submit!)\n");  in igt_wait_request()
83 	if (i915_request_wait(request, 0, T) != -ETIME) {  in igt_wait_request()
84 		pr_err("request wait succeeded (expected timeout before submit!)\n");  in igt_wait_request()
88 	if (i915_request_completed(request)) {  in igt_wait_request()
89 		pr_err("request completed before submit!!\n");  in igt_wait_request()
93 	i915_request_add(request);  in igt_wait_request()
95 	if (i915_request_wait(request, 0, 0) != -ETIME) {  in igt_wait_request()
96 		pr_err("request wait (busy query) succeeded (expected timeout after submit!)\n");  in igt_wait_request()
100 	if (i915_request_completed(request)) {  in igt_wait_request()
101 		pr_err("request completed immediately!\n");  in igt_wait_request()
105 	if (i915_request_wait(request, 0, T / 2) != -ETIME) {  in igt_wait_request()
106 		pr_err("request wait succeeded (expected timeout!)\n");  in igt_wait_request()
110 	if (i915_request_wait(request, 0, T) == -ETIME) {  in igt_wait_request()
111 		pr_err("request wait timed out!\n");  in igt_wait_request()
115 	if (!i915_request_completed(request)) {  in igt_wait_request()
116 		pr_err("request not complete after waiting!\n");  in igt_wait_request()
120 	if (i915_request_wait(request, 0, T) == -ETIME) {  in igt_wait_request()
121 		pr_err("request wait timed out when already complete!\n");  in igt_wait_request()
127 	i915_request_put(request);  in igt_wait_request()
138 	struct i915_request *request;  in igt_fence_wait()  local
141 	/* Submit a request, treat it as a fence and wait upon it */  in igt_fence_wait()
144 	request = mock_request(i915->engine[RCS0]->kernel_context, T);  in igt_fence_wait()
145 	if (!request) {  in igt_fence_wait()
150 	if (dma_fence_wait_timeout(&request->fence, false, T) != -ETIME) {  in igt_fence_wait()
155 	i915_request_add(request);  in igt_fence_wait()
158 	if (dma_fence_is_signaled(&request->fence)) {  in igt_fence_wait()
163 	if (dma_fence_wait_timeout(&request->fence, false, T / 2) != -ETIME) {  in igt_fence_wait()
168 	if (dma_fence_wait_timeout(&request->fence, false, T) <= 0) {  in igt_fence_wait()
173 	if (!dma_fence_is_signaled(&request->fence)) {  in igt_fence_wait()
178 	if (dma_fence_wait_timeout(&request->fence, false, T) <= 0) {  in igt_fence_wait()
195 	struct i915_request *request, *vip;  in igt_request_rewind()  local
204 	request = mock_request(ce, 2 * HZ);  in igt_request_rewind()
206 	if (!request) {  in igt_request_rewind()
211 	i915_request_get(request);  in igt_request_rewind()
212 	i915_request_add(request);  in igt_request_rewind()
225 	if (!mock_cancel_request(request)) {  in igt_request_rewind()
226 		pr_err("failed to cancel request (already executed)!\n");  in igt_request_rewind()
233 	request->engine->submit_request(request);  in igt_request_rewind()
239 		pr_err("timed out waiting for high priority request\n");  in igt_request_rewind()
243 	if (i915_request_completed(request)) {  in igt_request_rewind()
244 		pr_err("low priority request already completed\n");  in igt_request_rewind()
254 	i915_request_put(request);  in igt_request_rewind()
556 		struct i915_request *request = NULL;  in live_nop_request()  local
569 				request = i915_request_create(engine->kernel_context);  in live_nop_request()
570 				if (IS_ERR(request)) {  in live_nop_request()
571 					err = PTR_ERR(request);  in live_nop_request()
578 				 * action with this request, we just want  in live_nop_request()
581 				 * ensuring that the bare request is sufficient  in live_nop_request()
588 				i915_request_add(request);  in live_nop_request()
590 			i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);  in live_nop_request()
604 		pr_info("Request latencies on %s: 1 = %lluns, %lu = %lluns\n",  in live_nop_request()
661 	struct i915_request *request;  in empty_request()  local
664 	request = i915_request_create(engine->kernel_context);  in empty_request()
665 	if (IS_ERR(request))  in empty_request()
666 		return request;  in empty_request()
668 	err = engine->emit_bb_start(request,  in empty_request()
676 	i915_request_add(request);  in empty_request()
677 	return err ? ERR_PTR(err) : request;  in empty_request()
706 		struct i915_request *request;  in live_empty_request()  local
715 		request = empty_request(engine, batch);  in live_empty_request()
716 		if (IS_ERR(request)) {  in live_empty_request()
717 			err = PTR_ERR(request);  in live_empty_request()
720 		i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);  in live_empty_request()
726 				request = empty_request(engine, batch);  in live_empty_request()
727 				if (IS_ERR(request)) {  in live_empty_request()
728 					err = PTR_ERR(request);  in live_empty_request()
732 			i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);  in live_empty_request()
836 	struct i915_request *request[I915_NUM_ENGINES];  in live_all_engines()  local
863 		request[id] = i915_request_create(engine->kernel_context);  in live_all_engines()
864 		if (IS_ERR(request[id])) {  in live_all_engines()
865 			err = PTR_ERR(request[id]);  in live_all_engines()
866 			pr_err("%s: Request allocation failed with err=%d\n",  in live_all_engines()
871 		err = engine->emit_bb_start(request[id],  in live_all_engines()
876 		request[id]->batch = batch;  in live_all_engines()
879 		err = i915_request_await_object(request[id], batch->obj, 0);  in live_all_engines()
881 			err = i915_vma_move_to_active(batch, request[id], 0);  in live_all_engines()
885 		i915_request_get(request[id]);  in live_all_engines()
886 		i915_request_add(request[id]);  in live_all_engines()
890 		if (i915_request_completed(request[id])) {  in live_all_engines()
891 			pr_err("%s(%s): request completed too early!\n",  in live_all_engines()
907 		timeout = i915_request_wait(request[id], 0,  in live_all_engines()
911 			pr_err("%s: error waiting for request on %s, err=%d\n",  in live_all_engines()
916 		GEM_BUG_ON(!i915_request_completed(request[id]));  in live_all_engines()
917 		i915_request_put(request[id]);  in live_all_engines()
918 		request[id] = NULL;  in live_all_engines()
925 		if (request[id])  in live_all_engines()
926 			i915_request_put(request[id]);  in live_all_engines()
938 	struct i915_request *request[I915_NUM_ENGINES] = {};  in live_sequential_engines()  local
947 	 * that each successive request waits for the earlier ones. This  in live_sequential_engines()
970 		request[id] = i915_request_create(engine->kernel_context);  in live_sequential_engines()
971 		if (IS_ERR(request[id])) {  in live_sequential_engines()
972 			err = PTR_ERR(request[id]);  in live_sequential_engines()
973 			pr_err("%s: Request allocation failed for %s with err=%d\n",  in live_sequential_engines()
979 			err = i915_request_await_dma_fence(request[id],  in live_sequential_engines()
982 				i915_request_add(request[id]);  in live_sequential_engines()
983 				pr_err("%s: Request await failed for %s with err=%d\n",  in live_sequential_engines()
989 		err = engine->emit_bb_start(request[id],  in live_sequential_engines()
994 		request[id]->batch = batch;  in live_sequential_engines()
997 		err = i915_request_await_object(request[id], batch->obj, false);  in live_sequential_engines()
999 			err = i915_vma_move_to_active(batch, request[id], 0);  in live_sequential_engines()
1003 		i915_request_get(request[id]);  in live_sequential_engines()
1004 		i915_request_add(request[id]);  in live_sequential_engines()
1006 		prev = request[id];  in live_sequential_engines()
1012 		if (i915_request_completed(request[id])) {  in live_sequential_engines()
1013 			pr_err("%s(%s): request completed too early!\n",  in live_sequential_engines()
1019 		err = recursive_batch_resolve(request[id]->batch);  in live_sequential_engines()
1026 		timeout = i915_request_wait(request[id], 0,  in live_sequential_engines()
1030 			pr_err("%s: error waiting for request on %s, err=%d\n",  in live_sequential_engines()
1035 		GEM_BUG_ON(!i915_request_completed(request[id]));  in live_sequential_engines()
1044 		if (!request[id])  in live_sequential_engines()
1047 		cmd = i915_gem_object_pin_map(request[id]->batch->obj,  in live_sequential_engines()
1053 			i915_gem_object_unpin_map(request[id]->batch->obj);  in live_sequential_engines()
1056 		i915_vma_put(request[id]->batch);  in live_sequential_engines()
1057 		i915_request_put(request[id]);  in live_sequential_engines()