46 static struct intel_ring *mock_ring(struct intel_engine_cs *engine)  in mock_ring()  argument
66 static struct i915_request *first_request(struct mock_engine *engine)  in first_request()  argument
68 	return list_first_entry_or_null(&engine->hw_queue,  in first_request()
79 	intel_engine_queue_breadcrumbs(request->engine);  in advance()
84 	struct mock_engine *engine = from_timer(engine, t, hw_delay);  in hw_delay_complete()  local
88 	spin_lock_irqsave(&engine->hw_lock, flags);  in hw_delay_complete()
91 	request = first_request(engine);  in hw_delay_complete()
99 	while ((request = first_request(engine))) {  in hw_delay_complete()
101 			mod_timer(&engine->hw_delay,  in hw_delay_complete()
109 	spin_unlock_irqrestore(&engine->hw_lock, flags);  in hw_delay_complete()
133 	ce->ring = mock_ring(ce->engine);  in mock_context_alloc()
138 	ce->timeline = intel_timeline_create(ce->engine->gt, NULL);  in mock_context_alloc()
140 		kfree(ce->engine);  in mock_context_alloc()
187 	struct mock_engine *engine =  in mock_submit_request()  local
188 		container_of(request->engine, typeof(*engine), base);  in mock_submit_request()
193 	spin_lock_irqsave(&engine->hw_lock, flags);  in mock_submit_request()
194 	list_add_tail(&request->mock.link, &engine->hw_queue);  in mock_submit_request()
195 	if (list_is_first(&request->mock.link, &engine->hw_queue)) {  in mock_submit_request()
197 			mod_timer(&engine->hw_delay,  in mock_submit_request()
202 	spin_unlock_irqrestore(&engine->hw_lock, flags);  in mock_submit_request()
205 static void mock_reset_prepare(struct intel_engine_cs *engine)  in mock_reset_prepare()  argument
209 static void mock_reset(struct intel_engine_cs *engine, bool stalled)  in mock_reset()  argument
214 static void mock_reset_finish(struct intel_engine_cs *engine)  in mock_reset_finish()  argument
218 static void mock_cancel_requests(struct intel_engine_cs *engine)  in mock_cancel_requests()  argument
223 	spin_lock_irqsave(&engine->active.lock, flags);  in mock_cancel_requests()
226 	list_for_each_entry(request, &engine->active.requests, sched.link) {  in mock_cancel_requests()
233 	spin_unlock_irqrestore(&engine->active.lock, flags);  in mock_cancel_requests()
240 	struct mock_engine *engine;  in mock_engine()  local
244 	engine = kzalloc(sizeof(*engine) + PAGE_SIZE, GFP_KERNEL);  in mock_engine()
245 	if (!engine)  in mock_engine()
248 	/* minimal engine setup for requests */  in mock_engine()
249 	engine->base.i915 = i915;  in mock_engine()
250 	engine->base.gt = &i915->gt;  in mock_engine()
251 	snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);  in mock_engine()
252 	engine->base.id = id;  in mock_engine()
253 	engine->base.mask = BIT(id);  in mock_engine()
254 	engine->base.instance = id;  in mock_engine()
255 	engine->base.status_page.addr = (void *)(engine + 1);  in mock_engine()
257 	engine->base.cops = &mock_context_ops;  in mock_engine()
258 	engine->base.request_alloc = mock_request_alloc;  in mock_engine()
259 	engine->base.emit_flush = mock_emit_flush;  in mock_engine()
260 	engine->base.emit_fini_breadcrumb = mock_emit_breadcrumb;  in mock_engine()
261 	engine->base.submit_request = mock_submit_request;  in mock_engine()
263 	engine->base.reset.prepare = mock_reset_prepare;  in mock_engine()
264 	engine->base.reset.reset = mock_reset;  in mock_engine()
265 	engine->base.reset.finish = mock_reset_finish;  in mock_engine()
266 	engine->base.cancel_requests = mock_cancel_requests;  in mock_engine()
269 	spin_lock_init(&engine->hw_lock);  in mock_engine()
270 	timer_setup(&engine->hw_delay, hw_delay_complete, 0);  in mock_engine()
271 	INIT_LIST_HEAD(&engine->hw_queue);  in mock_engine()
273 	intel_engine_add_user(&engine->base);  in mock_engine()
275 	return &engine->base;  in mock_engine()
278 int mock_engine_init(struct intel_engine_cs *engine)  in mock_engine_init()  argument
282 	intel_engine_init_active(engine, ENGINE_MOCK);  in mock_engine_init()
283 	intel_engine_init_breadcrumbs(engine);  in mock_engine_init()
284 	intel_engine_init_execlists(engine);  in mock_engine_init()
285 	intel_engine_init__pm(engine);  in mock_engine_init()
286 	intel_engine_pool_init(&engine->pool);  in mock_engine_init()
288 	ce = create_kernel_context(engine);  in mock_engine_init()
292 	engine->kernel_context = ce;  in mock_engine_init()
296 	intel_engine_fini_breadcrumbs(engine);  in mock_engine_init()
300 void mock_engine_flush(struct intel_engine_cs *engine)  in mock_engine_flush()  argument
303 		container_of(engine, typeof(*mock), base);  in mock_engine_flush()
314 void mock_engine_reset(struct intel_engine_cs *engine)  in mock_engine_reset()  argument
318 void mock_engine_free(struct intel_engine_cs *engine)  in mock_engine_free()  argument
321 		container_of(engine, typeof(*mock), base);  in mock_engine_free()
325 	intel_context_unpin(engine->kernel_context);  in mock_engine_free()
326 	intel_context_put(engine->kernel_context);  in mock_engine_free()
328 	intel_engine_fini_breadcrumbs(engine);  in mock_engine_free()
330 	kfree(engine);  in mock_engine_free()