46 static struct intel_ring *mock_ring(struct intel_engine_cs *engine)  in mock_ring()  argument
84 static struct i915_request *first_request(struct mock_engine *engine)  in first_request()  argument
86 	return list_first_entry_or_null(&engine->hw_queue,  in first_request()
97 	intel_engine_signal_breadcrumbs(request->engine);  in advance()
102 	struct mock_engine *engine = from_timer(engine, t, hw_delay);  in hw_delay_complete()  local
106 	spin_lock_irqsave(&engine->hw_lock, flags);  in hw_delay_complete()
109 	request = first_request(engine);  in hw_delay_complete()
117 	while ((request = first_request(engine))) {  in hw_delay_complete()
119 			mod_timer(&engine->hw_delay,  in hw_delay_complete()
127 	spin_unlock_irqrestore(&engine->hw_lock, flags);  in hw_delay_complete()
155 	ce->ring = mock_ring(ce->engine);  in mock_context_alloc()
159 	ce->timeline = intel_timeline_create(ce->engine->gt);  in mock_context_alloc()
161 		kfree(ce->engine);  in mock_context_alloc()
221 	struct mock_engine *engine =  in mock_submit_request()  local
222 		container_of(request->engine, typeof(*engine), base);  in mock_submit_request()
227 	spin_lock_irqsave(&engine->hw_lock, flags);  in mock_submit_request()
228 	list_add_tail(&request->mock.link, &engine->hw_queue);  in mock_submit_request()
229 	if (list_is_first(&request->mock.link, &engine->hw_queue)) {  in mock_submit_request()
231 			mod_timer(&engine->hw_delay,  in mock_submit_request()
236 	spin_unlock_irqrestore(&engine->hw_lock, flags);  in mock_submit_request()
239 static void mock_reset_prepare(struct intel_engine_cs *engine)  in mock_reset_prepare()  argument
243 static void mock_reset_rewind(struct intel_engine_cs *engine, bool stalled)  in mock_reset_rewind()  argument
248 static void mock_reset_cancel(struct intel_engine_cs *engine)  in mock_reset_cancel()  argument
253 	spin_lock_irqsave(&engine->active.lock, flags);  in mock_reset_cancel()
256 	list_for_each_entry(request, &engine->active.requests, sched.link) {  in mock_reset_cancel()
261 	spin_unlock_irqrestore(&engine->active.lock, flags);  in mock_reset_cancel()
264 static void mock_reset_finish(struct intel_engine_cs *engine)  in mock_reset_finish()  argument
268 static void mock_engine_release(struct intel_engine_cs *engine)  in mock_engine_release()  argument
271 		container_of(engine, typeof(*mock), base);  in mock_engine_release()
275 	intel_breadcrumbs_free(engine->breadcrumbs);  in mock_engine_release()
277 	intel_context_unpin(engine->kernel_context);  in mock_engine_release()
278 	intel_context_put(engine->kernel_context);  in mock_engine_release()
280 	intel_engine_fini_retire(engine);  in mock_engine_release()
287 	struct mock_engine *engine;  in mock_engine()  local
292 	engine = kzalloc(sizeof(*engine) + PAGE_SIZE, GFP_KERNEL);  in mock_engine()
293 	if (!engine)  in mock_engine()
296 	/* minimal engine setup for requests */  in mock_engine()
297 	engine->base.i915 = i915;  in mock_engine()
298 	engine->base.gt = &i915->gt;  in mock_engine()
299 	engine->base.uncore = i915->gt.uncore;  in mock_engine()
300 	snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);  in mock_engine()
301 	engine->base.id = id;  in mock_engine()
302 	engine->base.mask = BIT(id);  in mock_engine()
303 	engine->base.legacy_idx = INVALID_ENGINE;  in mock_engine()
304 	engine->base.instance = id;  in mock_engine()
305 	engine->base.status_page.addr = (void *)(engine + 1);  in mock_engine()
307 	engine->base.cops = &mock_context_ops;  in mock_engine()
308 	engine->base.request_alloc = mock_request_alloc;  in mock_engine()
309 	engine->base.emit_flush = mock_emit_flush;  in mock_engine()
310 	engine->base.emit_fini_breadcrumb = mock_emit_breadcrumb;  in mock_engine()
311 	engine->base.submit_request = mock_submit_request;  in mock_engine()
313 	engine->base.reset.prepare = mock_reset_prepare;  in mock_engine()
314 	engine->base.reset.rewind = mock_reset_rewind;  in mock_engine()
315 	engine->base.reset.cancel = mock_reset_cancel;  in mock_engine()
316 	engine->base.reset.finish = mock_reset_finish;  in mock_engine()
318 	engine->base.release = mock_engine_release;  in mock_engine()
320 	i915->gt.engine[id] = &engine->base;  in mock_engine()
321 	i915->gt.engine_class[0][id] = &engine->base;  in mock_engine()
324 	spin_lock_init(&engine->hw_lock);  in mock_engine()
325 	timer_setup(&engine->hw_delay, hw_delay_complete, 0);  in mock_engine()
326 	INIT_LIST_HEAD(&engine->hw_queue);  in mock_engine()
328 	intel_engine_add_user(&engine->base);  in mock_engine()
330 	return &engine->base;  in mock_engine()
333 int mock_engine_init(struct intel_engine_cs *engine)  in mock_engine_init()  argument
337 	intel_engine_init_active(engine, ENGINE_MOCK);  in mock_engine_init()
338 	intel_engine_init_execlists(engine);  in mock_engine_init()
339 	intel_engine_init__pm(engine);  in mock_engine_init()
340 	intel_engine_init_retire(engine);  in mock_engine_init()
342 	engine->breadcrumbs = intel_breadcrumbs_create(NULL);  in mock_engine_init()
343 	if (!engine->breadcrumbs)  in mock_engine_init()
346 	ce = create_kernel_context(engine);  in mock_engine_init()
351 	engine->status_page.vma = ce->timeline->hwsp_ggtt;  in mock_engine_init()
353 	engine->kernel_context = ce;  in mock_engine_init()
357 	intel_breadcrumbs_free(engine->breadcrumbs);  in mock_engine_init()
361 void mock_engine_flush(struct intel_engine_cs *engine)  in mock_engine_flush()  argument
364 		container_of(engine, typeof(*mock), base);  in mock_engine_flush()
375 void mock_engine_reset(struct intel_engine_cs *engine)  in mock_engine_reset()  argument