98 	struct kmod_test_device *test_dev;  member
168 static void kmod_test_done_check(struct kmod_test_device *test_dev,  in kmod_test_done_check()  argument
171 	struct test_config *config = &test_dev->config;  in kmod_test_done_check()
173 	test_dev->done++;  in kmod_test_done_check()
174 	dev_dbg(test_dev->dev, "Done thread count: %u\n", test_dev->done);  in kmod_test_done_check()
176 	if (test_dev->done == config->num_threads) {  in kmod_test_done_check()
177 		dev_info(test_dev->dev, "Done: %u threads have all run now\n",  in kmod_test_done_check()
178 			 test_dev->done);  in kmod_test_done_check()
179 		dev_info(test_dev->dev, "Last thread to run: %u\n", idx);  in kmod_test_done_check()
180 		complete(&test_dev->kthreads_done);  in kmod_test_done_check()
186 	struct kmod_test_device *test_dev = info->test_dev;  in test_kmod_put_module()  local
187 	struct test_config *config = &test_dev->config;  in test_kmod_put_module()
209 	struct kmod_test_device *test_dev = info->test_dev;  in run_request()  local
210 	struct test_config *config = &test_dev->config;  in run_request()
226 	dev_dbg(test_dev->dev, "Ran thread %u\n", info->thread_idx);  in run_request()
230 	mutex_lock(&test_dev->thread_mutex);  in run_request()
232 	kmod_test_done_check(test_dev, info->thread_idx);  in run_request()
233 	mutex_unlock(&test_dev->thread_mutex);  in run_request()
240 	struct kmod_test_device *test_dev = info->test_dev;  in tally_work_test()  local
241 	struct test_config *config = &test_dev->config;  in tally_work_test()
252 		dev_info(test_dev->dev,  in tally_work_test()
260 		dev_info(test_dev->dev, "Sync thread %u fs: %s\n",  in tally_work_test()
280 static void tally_up_work(struct kmod_test_device *test_dev)  in tally_up_work()  argument
282 	struct test_config *config = &test_dev->config;  in tally_up_work()
288 	mutex_lock(&test_dev->thread_mutex);  in tally_up_work()
290 	dev_info(test_dev->dev, "Results:\n");  in tally_up_work()
293 		info = &test_dev->info[idx];  in tally_up_work()
305 	mutex_unlock(&test_dev->thread_mutex);  in tally_up_work()
308 static int try_one_request(struct kmod_test_device *test_dev, unsigned int idx)  in try_one_request()  argument
310 	struct kmod_test_device_info *info = &test_dev->info[idx];  in try_one_request()
313 	mutex_lock(&test_dev->thread_mutex);  in try_one_request()
316 	info->test_dev = test_dev;  in try_one_request()
321 		test_dev->test_is_oom = true;  in try_one_request()
322 		dev_err(test_dev->dev, "Setting up thread %u failed\n", idx);  in try_one_request()
326 		dev_dbg(test_dev->dev, "Kicked off thread %u\n", idx);  in try_one_request()
328 	mutex_unlock(&test_dev->thread_mutex);  in try_one_request()
334 	mutex_unlock(&test_dev->thread_mutex);  in try_one_request()
339 static void test_dev_kmod_stop_tests(struct kmod_test_device *test_dev)  in test_dev_kmod_stop_tests()  argument
341 	struct test_config *config = &test_dev->config;  in test_dev_kmod_stop_tests()
345 	dev_info(test_dev->dev, "Ending request_module() tests\n");  in test_dev_kmod_stop_tests()
347 	mutex_lock(&test_dev->thread_mutex);  in test_dev_kmod_stop_tests()
350 		info = &test_dev->info[i];  in test_dev_kmod_stop_tests()
352 			dev_info(test_dev->dev,  in test_dev_kmod_stop_tests()
368 	mutex_unlock(&test_dev->thread_mutex);  in test_dev_kmod_stop_tests()
377 static int try_requests(struct kmod_test_device *test_dev)  in try_requests()  argument
379 	struct test_config *config = &test_dev->config;  in try_requests()
385 		if (test_dev->test_is_oom) {  in try_requests()
390 		ret = try_one_request(test_dev, idx);  in try_requests()
398 		test_dev->test_is_oom = false;  in try_requests()
399 		dev_info(test_dev->dev,  in try_requests()
401 		wait_for_completion(&test_dev->kthreads_done);  in try_requests()
402 		tally_up_work(test_dev);  in try_requests()
404 		test_dev->test_is_oom = true;  in try_requests()
405 		dev_info(test_dev->dev,  in try_requests()
407 		test_dev_kmod_stop_tests(test_dev);  in try_requests()
414 static int run_test_driver(struct kmod_test_device *test_dev)  in run_test_driver()  argument
416 	struct test_config *config = &test_dev->config;  in run_test_driver()
418 	dev_info(test_dev->dev, "Test case: %s (%u)\n",  in run_test_driver()
421 	dev_info(test_dev->dev, "Test driver to load: %s\n",  in run_test_driver()
423 	dev_info(test_dev->dev, "Number of threads to run: %u\n",  in run_test_driver()
425 	dev_info(test_dev->dev, "Thread IDs will range from 0 - %u\n",  in run_test_driver()
428 	return try_requests(test_dev);  in run_test_driver()
431 static int run_test_fs_type(struct kmod_test_device *test_dev)  in run_test_fs_type()  argument
433 	struct test_config *config = &test_dev->config;  in run_test_fs_type()
435 	dev_info(test_dev->dev, "Test case: %s (%u)\n",  in run_test_fs_type()
438 	dev_info(test_dev->dev, "Test filesystem to load: %s\n",  in run_test_fs_type()
440 	dev_info(test_dev->dev, "Number of threads to run: %u\n",  in run_test_fs_type()
442 	dev_info(test_dev->dev, "Thread IDs will range from 0 - %u\n",  in run_test_fs_type()
445 	return try_requests(test_dev);  in run_test_fs_type()
452 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_show()  local
453 	struct test_config *config = &test_dev->config;  in config_show()
456 	mutex_lock(&test_dev->config_mutex);  in config_show()
487 	mutex_unlock(&test_dev->config_mutex);  in config_show()
497 static int __trigger_config_run(struct kmod_test_device *test_dev)  in __trigger_config_run()  argument
499 	struct test_config *config = &test_dev->config;  in __trigger_config_run()
501 	test_dev->done = 0;  in __trigger_config_run()
505 		return run_test_driver(test_dev);  in __trigger_config_run()
507 		return run_test_fs_type(test_dev);  in __trigger_config_run()
509 		dev_warn(test_dev->dev,  in __trigger_config_run()
516 static int trigger_config_run(struct kmod_test_device *test_dev)  in trigger_config_run()  argument
518 	struct test_config *config = &test_dev->config;  in trigger_config_run()
521 	mutex_lock(&test_dev->trigger_mutex);  in trigger_config_run()
522 	mutex_lock(&test_dev->config_mutex);  in trigger_config_run()
524 	ret = __trigger_config_run(test_dev);  in trigger_config_run()
527 	dev_info(test_dev->dev, "General test result: %d\n",  in trigger_config_run()
546 	mutex_unlock(&test_dev->config_mutex);  in trigger_config_run()
547 	mutex_unlock(&test_dev->trigger_mutex);  in trigger_config_run()
557 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in trigger_config_store()  local
560 	if (test_dev->test_is_oom)  in trigger_config_store()
569 	ret = trigger_config_run(test_dev);  in trigger_config_store()
627 static void kmod_config_free(struct kmod_test_device *test_dev)  in kmod_config_free()  argument
631 	if (!test_dev)  in kmod_config_free()
634 	config = &test_dev->config;  in kmod_config_free()
636 	mutex_lock(&test_dev->config_mutex);  in kmod_config_free()
638 	mutex_unlock(&test_dev->config_mutex);  in kmod_config_free()
645 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_driver_store()  local
646 	struct test_config *config = &test_dev->config;  in config_test_driver_store()
649 	mutex_lock(&test_dev->config_mutex);  in config_test_driver_store()
655 	mutex_unlock(&test_dev->config_mutex);  in config_test_driver_store()
680 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_driver_show()  local
681 	struct test_config *config = &test_dev->config;  in config_test_driver_show()
683 	return config_test_show_str(&test_dev->config_mutex, buf,  in config_test_driver_show()
692 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_fs_store()  local
693 	struct test_config *config = &test_dev->config;  in config_test_fs_store()
696 	mutex_lock(&test_dev->config_mutex);  in config_test_fs_store()
702 	mutex_unlock(&test_dev->config_mutex);  in config_test_fs_store()
711 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_fs_show()  local
712 	struct test_config *config = &test_dev->config;  in config_test_fs_show()
714 	return config_test_show_str(&test_dev->config_mutex, buf,  in config_test_fs_show()
719 static int trigger_config_run_type(struct kmod_test_device *test_dev,  in trigger_config_run_type()  argument
724 	struct test_config *config = &test_dev->config;  in trigger_config_run_type()
726 	mutex_lock(&test_dev->config_mutex);  in trigger_config_run_type()
742 		mutex_unlock(&test_dev->config_mutex);  in trigger_config_run_type()
748 	mutex_unlock(&test_dev->config_mutex);  in trigger_config_run_type()
751 		test_dev->test_is_oom = true;  in trigger_config_run_type()
755 	test_dev->test_is_oom = false;  in trigger_config_run_type()
757 	return trigger_config_run(test_dev);  in trigger_config_run_type()
760 static void free_test_dev_info(struct kmod_test_device *test_dev)  in free_test_dev_info()  argument
762 	vfree(test_dev->info);  in free_test_dev_info()
763 	test_dev->info = NULL;  in free_test_dev_info()
766 static int kmod_config_sync_info(struct kmod_test_device *test_dev)  in kmod_config_sync_info()  argument
768 	struct test_config *config = &test_dev->config;  in kmod_config_sync_info()
770 	free_test_dev_info(test_dev);  in kmod_config_sync_info()
771 	test_dev->info =  in kmod_config_sync_info()
774 	if (!test_dev->info)  in kmod_config_sync_info()
796 static int __kmod_config_init(struct kmod_test_device *test_dev)  in __kmod_config_init()  argument
798 	struct test_config *config = &test_dev->config;  in __kmod_config_init()
817 	ret = kmod_config_sync_info(test_dev);  in __kmod_config_init()
821 	test_dev->test_is_oom = false;  in __kmod_config_init()
826 	test_dev->test_is_oom = true;  in __kmod_config_init()
827 	WARN_ON(test_dev->test_is_oom);  in __kmod_config_init()
838 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in reset_store()  local
841 	mutex_lock(&test_dev->trigger_mutex);  in reset_store()
842 	mutex_lock(&test_dev->config_mutex);  in reset_store()
844 	ret = __kmod_config_init(test_dev);  in reset_store()
856 	mutex_unlock(&test_dev->config_mutex);  in reset_store()
857 	mutex_unlock(&test_dev->trigger_mutex);  in reset_store()
863 static int test_dev_config_update_uint_sync(struct kmod_test_device *test_dev,  in test_dev_config_update_uint_sync()  argument
866 					    int (*test_sync)(struct kmod_test_device *test_dev))  in test_dev_config_update_uint_sync()  argument
876 	mutex_lock(&test_dev->config_mutex);  in test_dev_config_update_uint_sync()
881 	ret = test_sync(test_dev);  in test_dev_config_update_uint_sync()
885 		ret = test_sync(test_dev);  in test_dev_config_update_uint_sync()
888 		mutex_unlock(&test_dev->config_mutex);  in test_dev_config_update_uint_sync()
892 	mutex_unlock(&test_dev->config_mutex);  in test_dev_config_update_uint_sync()
897 static int test_dev_config_update_uint_range(struct kmod_test_device *test_dev,  in test_dev_config_update_uint_range()  argument
913 	mutex_lock(&test_dev->config_mutex);  in test_dev_config_update_uint_range()
915 	mutex_unlock(&test_dev->config_mutex);  in test_dev_config_update_uint_range()
921 static int test_dev_config_update_int(struct kmod_test_device *test_dev,  in test_dev_config_update_int()  argument
932 	mutex_lock(&test_dev->config_mutex);  in test_dev_config_update_int()
934 	mutex_unlock(&test_dev->config_mutex);  in test_dev_config_update_int()
939 static ssize_t test_dev_config_show_int(struct kmod_test_device *test_dev,  in test_dev_config_show_int()  argument
945 	mutex_lock(&test_dev->config_mutex);  in test_dev_config_show_int()
947 	mutex_unlock(&test_dev->config_mutex);  in test_dev_config_show_int()
952 static ssize_t test_dev_config_show_uint(struct kmod_test_device *test_dev,  in test_dev_config_show_uint()  argument
958 	mutex_lock(&test_dev->config_mutex);  in test_dev_config_show_uint()
960 	mutex_unlock(&test_dev->config_mutex);  in test_dev_config_show_uint()
969 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in test_result_store()  local
970 	struct test_config *config = &test_dev->config;  in test_result_store()
972 	return test_dev_config_update_int(test_dev, buf, count,  in test_result_store()
980 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_num_threads_store()  local
981 	struct test_config *config = &test_dev->config;  in config_num_threads_store()
983 	return test_dev_config_update_uint_sync(test_dev, buf, count,  in config_num_threads_store()
992 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_num_threads_show()  local
993 	struct test_config *config = &test_dev->config;  in config_num_threads_show()
995 	return test_dev_config_show_int(test_dev, buf, config->num_threads);  in config_num_threads_show()
1003 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_case_store()  local
1004 	struct test_config *config = &test_dev->config;  in config_test_case_store()
1006 	return test_dev_config_update_uint_range(test_dev, buf, count,  in config_test_case_store()
1016 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in config_test_case_show()  local
1017 	struct test_config *config = &test_dev->config;  in config_test_case_show()
1019 	return test_dev_config_show_uint(test_dev, buf, config->test_case);  in config_test_case_show()
1027 	struct kmod_test_device *test_dev = dev_to_test_dev(dev);  in test_result_show()  local
1028 	struct test_config *config = &test_dev->config;  in test_result_show()
1030 	return test_dev_config_show_int(test_dev, buf, config->test_result);  in test_result_show()
1050 ATTRIBUTE_GROUPS(test_dev);
1052 static int kmod_config_init(struct kmod_test_device *test_dev)  in kmod_config_init()  argument
1056 	mutex_lock(&test_dev->config_mutex);  in kmod_config_init()
1057 	ret = __kmod_config_init(test_dev);  in kmod_config_init()
1058 	mutex_unlock(&test_dev->config_mutex);  in kmod_config_init()
1066 	struct kmod_test_device *test_dev;  in alloc_test_dev_kmod()  local
1069 	test_dev = vzalloc(sizeof(struct kmod_test_device));  in alloc_test_dev_kmod()
1070 	if (!test_dev)  in alloc_test_dev_kmod()
1073 	mutex_init(&test_dev->config_mutex);  in alloc_test_dev_kmod()
1074 	mutex_init(&test_dev->trigger_mutex);  in alloc_test_dev_kmod()
1075 	mutex_init(&test_dev->thread_mutex);  in alloc_test_dev_kmod()
1077 	init_completion(&test_dev->kthreads_done);  in alloc_test_dev_kmod()
1079 	ret = kmod_config_init(test_dev);  in alloc_test_dev_kmod()
1085 	test_dev->dev_idx = idx;  in alloc_test_dev_kmod()
1086 	misc_dev = &test_dev->misc_dev;  in alloc_test_dev_kmod()
1096 	return test_dev;  in alloc_test_dev_kmod()
1099 	free_test_dev_info(test_dev);  in alloc_test_dev_kmod()
1100 	kmod_config_free(test_dev);  in alloc_test_dev_kmod()
1102 	vfree(test_dev);  in alloc_test_dev_kmod()
1103 	test_dev = NULL;  in alloc_test_dev_kmod()
1108 static void free_test_dev_kmod(struct kmod_test_device *test_dev)  in free_test_dev_kmod()  argument
1110 	if (test_dev) {  in free_test_dev_kmod()
1111 		kfree_const(test_dev->misc_dev.name);  in free_test_dev_kmod()
1112 		test_dev->misc_dev.name = NULL;  in free_test_dev_kmod()
1113 		free_test_dev_info(test_dev);  in free_test_dev_kmod()
1114 		kmod_config_free(test_dev);  in free_test_dev_kmod()
1115 		vfree(test_dev);  in free_test_dev_kmod()
1116 		test_dev = NULL;  in free_test_dev_kmod()
1122 	struct kmod_test_device *test_dev = NULL;  in register_test_dev_kmod()  local
1133 	test_dev = alloc_test_dev_kmod(num_test_devs);  in register_test_dev_kmod()
1134 	if (!test_dev)  in register_test_dev_kmod()
1137 	ret = misc_register(&test_dev->misc_dev);  in register_test_dev_kmod()
1140 		free_test_dev_kmod(test_dev);  in register_test_dev_kmod()
1141 		test_dev = NULL;  in register_test_dev_kmod()
1145 	test_dev->dev = test_dev->misc_dev.this_device;  in register_test_dev_kmod()
1146 	list_add_tail(&test_dev->list, &reg_test_devs);  in register_test_dev_kmod()
1147 	dev_info(test_dev->dev, "interface ready\n");  in register_test_dev_kmod()
1154 	return test_dev;  in register_test_dev_kmod()
1160 	struct kmod_test_device *test_dev;  in test_kmod_init()  local
1163 	test_dev = register_test_dev_kmod();  in test_kmod_init()
1164 	if (!test_dev) {  in test_kmod_init()
1177 		ret = trigger_config_run_type(test_dev,  in test_kmod_init()
1181 		ret = trigger_config_run_type(test_dev,  in test_kmod_init()
1192 void unregister_test_dev_kmod(struct kmod_test_device *test_dev)  in unregister_test_dev_kmod()  argument
1194 	mutex_lock(&test_dev->trigger_mutex);  in unregister_test_dev_kmod()
1195 	mutex_lock(&test_dev->config_mutex);  in unregister_test_dev_kmod()
1197 	test_dev_kmod_stop_tests(test_dev);  in unregister_test_dev_kmod()
1199 	dev_info(test_dev->dev, "removing interface\n");  in unregister_test_dev_kmod()
1200 	misc_deregister(&test_dev->misc_dev);  in unregister_test_dev_kmod()
1202 	mutex_unlock(&test_dev->config_mutex);  in unregister_test_dev_kmod()
1203 	mutex_unlock(&test_dev->trigger_mutex);  in unregister_test_dev_kmod()
1205 	free_test_dev_kmod(test_dev);  in unregister_test_dev_kmod()
1210 	struct kmod_test_device *test_dev, *tmp;  in test_kmod_exit()  local
1213 	list_for_each_entry_safe(test_dev, tmp, &reg_test_devs, list) {  in test_kmod_exit()
1214 		list_del(&test_dev->list);  in test_kmod_exit()
1215 		unregister_test_dev_kmod(test_dev);  in test_kmod_exit()