i915/gt/intel_engine_user.c

39 void intel_engine_add_user(struct intel_engine_cs *engine)
41 	llist_add(&engine->uabi_llist, &engine->i915->uabi_engines_llist);
87 		struct intel_engine_cs *engine =
88 			container_of(pos, typeof(*engine), uabi_llist);
89 		list_add(&engine->uabi_list, engines);
97 		u8 engine;
106 	struct intel_engine_cs *engine;
111 	for_each_uabi_engine(engine, i915) { /* all engines must agree! */
114 		if (engine->sched_engine->schedule)
121 		if (intel_uc_uses_guc_submission(&engine->gt->uc))
125 			if (engine->flags & BIT(map[i].engine))
182 			    struct intel_engine_cs *engine)
184 	if (engine->gt != ring->gt || engine->class != ring->class) {
185 		ring->gt = engine->gt;
186 		ring->class = engine->class;
190 	engine->legacy_idx = legacy_ring_idx(ring);
191 	if (engine->legacy_idx != INVALID_ENGINE)
195 static void engine_rename(struct intel_engine_cs *engine, const char *name, u16 instance)
197 	char old[sizeof(engine->name)];
199 	memcpy(old, engine->name, sizeof(engine->name));
200 	scnprintf(engine->name, sizeof(engine->name), "%s%u", name, instance);
201 	drm_dbg(&engine->i915->drm, "renamed %s to %s\n", old, engine->name);
217 		struct intel_engine_cs *engine =
218 			container_of(it, typeof(*engine), uabi_list);
220 		if (intel_gt_has_unrecoverable_error(engine->gt))
223 		GEM_BUG_ON(engine->class >= ARRAY_SIZE(uabi_classes));
224 		engine->uabi_class = uabi_classes[engine->class];
225 		if (engine->uabi_class == I915_NO_UABI_CLASS) {
228 			GEM_BUG_ON(engine->uabi_class >=
231 				i915->engine_uabi_class_count[engine->uabi_class]++;
233 		engine->uabi_instance = name_instance;
239 		engine_rename(engine,
240 			      intel_engine_class_repr(engine->class),
243 		if (engine->uabi_class == I915_NO_UABI_CLASS)
246 		rb_link_node(&engine->uabi_node, prev, p);
247 		rb_insert_color(&engine->uabi_node, &i915->uabi_engines);
250 						    engine->uabi_class,
251 						    engine->uabi_instance) != engine);
254 		add_legacy_ring(&ring, engine);
256 		prev = &engine->uabi_node;
262 		struct intel_engine_cs *engine;
269 				engine = intel_engine_lookup_user(i915,
271 				if (!engine) {
272 					pr_err("UABI engine not found for { class:%d, instance:%d }\n",
278 				if (engine->uabi_class != class ||
279 				    engine->uabi_instance != inst) {
280 					pr_err("Wrong UABI engine:%s { class:%d, instance:%d } found for { class:%d, instance:%d }\n",
281 					       engine->name,
282 					       engine->uabi_class,
283 					       engine->uabi_instance,
292 		 * Make sure that classes with multiple engine instances all
296 		for_each_uabi_engine(engine, i915) {
297 			unsigned int bit = BIT(engine->uabi_class);
298 			unsigned int expected = engine->default_state ? bit : 0;
301 				pr_err("mismatching default context state for class %d on engine %s\n",
302 				       engine->uabi_class, engine->name);
308 			     "Invalid UABI engine mapping found"))
317 	struct intel_engine_cs *engine;
321 	for_each_uabi_engine(engine, i915)
322 		if (engine->default_state)
323 			which |= BIT(engine->uabi_class);