3486 static struct i915_gem_context *smoke_context(struct preempt_smoke *smoke)  in smoke_context()  argument
3488 	return smoke->contexts[i915_prandom_u32_max_state(smoke->ncontext,  in smoke_context()
3489 							  &smoke->prng)];  in smoke_context()
3492 static int smoke_submit(struct preempt_smoke *smoke,  in smoke_submit()  argument
3516 	rq = igt_request_alloc(ctx, smoke->engine);  in smoke_submit()
3545 	struct preempt_smoke *smoke = arg;  in smoke_crescendo_thread()  local
3551 		struct i915_gem_context *ctx = smoke_context(smoke);  in smoke_crescendo_thread()
3554 		err = smoke_submit(smoke,  in smoke_crescendo_thread()
3556 				   smoke->batch);  in smoke_crescendo_thread()
3561 	} while (count < smoke->ncontext && !__igt_timeout(end_time, NULL));  in smoke_crescendo_thread()
3563 	smoke->count = count;  in smoke_crescendo_thread()
3567 static int smoke_crescendo(struct preempt_smoke *smoke, unsigned int flags)  in smoke_crescendo()  argument
3581 	for_each_engine(engine, smoke->gt, id) {  in smoke_crescendo()
3582 		arg[id] = *smoke;  in smoke_crescendo()
3600 	for_each_engine(engine, smoke->gt, id) {  in smoke_crescendo()
3616 		count, flags, smoke->gt->info.num_engines, smoke->ncontext);  in smoke_crescendo()
3622 static int smoke_random(struct preempt_smoke *smoke, unsigned int flags)  in smoke_random()  argument
3630 		for_each_engine(smoke->engine, smoke->gt, id) {  in smoke_random()
3631 			struct i915_gem_context *ctx = smoke_context(smoke);  in smoke_random()
3634 			err = smoke_submit(smoke,  in smoke_random()
3635 					   ctx, random_priority(&smoke->prng),  in smoke_random()
3636 					   flags & BATCH ? smoke->batch : NULL);  in smoke_random()
3642 	} while (count < smoke->ncontext && !__igt_timeout(end_time, NULL));  in smoke_random()
3645 		count, flags, smoke->gt->info.num_engines, smoke->ncontext);  in smoke_random()
3651 	struct preempt_smoke smoke = {  in live_preempt_smoke()  local
3662 	smoke.contexts = kmalloc_array(smoke.ncontext,  in live_preempt_smoke()
3663 				       sizeof(*smoke.contexts),  in live_preempt_smoke()
3665 	if (!smoke.contexts)  in live_preempt_smoke()
3668 	smoke.batch =  in live_preempt_smoke()
3669 		i915_gem_object_create_internal(smoke.gt->i915, PAGE_SIZE);  in live_preempt_smoke()
3670 	if (IS_ERR(smoke.batch)) {  in live_preempt_smoke()
3671 		err = PTR_ERR(smoke.batch);  in live_preempt_smoke()
3675 	cs = i915_gem_object_pin_map_unlocked(smoke.batch, I915_MAP_WB);  in live_preempt_smoke()
3683 	i915_gem_object_flush_map(smoke.batch);  in live_preempt_smoke()
3684 	i915_gem_object_unpin_map(smoke.batch);  in live_preempt_smoke()
3686 	if (igt_live_test_begin(&t, smoke.gt->i915, __func__, "all")) {  in live_preempt_smoke()
3691 	for (n = 0; n < smoke.ncontext; n++) {  in live_preempt_smoke()
3692 		smoke.contexts[n] = kernel_context(smoke.gt->i915, NULL);  in live_preempt_smoke()
3693 		if (!smoke.contexts[n])  in live_preempt_smoke()
3698 		err = smoke_crescendo(&smoke, phase[n]);  in live_preempt_smoke()
3702 		err = smoke_random(&smoke, phase[n]);  in live_preempt_smoke()
3711 	for (n = 0; n < smoke.ncontext; n++) {  in live_preempt_smoke()
3712 		if (!smoke.contexts[n])  in live_preempt_smoke()
3714 		kernel_context_close(smoke.contexts[n]);  in live_preempt_smoke()
3718 	i915_gem_object_put(smoke.batch);  in live_preempt_smoke()
3720 	kfree(smoke.contexts);  in live_preempt_smoke()